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aspeed: move the flash module mapping address under the controller definition
[qemu/kevin.git] / vl.c
blobc657acdd3c7f31c7b09b4b63dbe83d890c76fb38
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 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1679
1680 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1681 shutdown_signal, shutdown_pid,
1682 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1683 g_free(shutdown_cmd);
1684 }
1685 shutdown_signal = -1;
1686 }
1687 }
1688
1689 static int qemu_reset_requested(void)
1690 {
1691 int r = reset_requested;
1692 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1693 reset_requested = 0;
1694 return r;
1695 }
1696 return false;
1697 }
1698
1699 static int qemu_suspend_requested(void)
1700 {
1701 int r = suspend_requested;
1702 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1703 suspend_requested = 0;
1704 return r;
1705 }
1706 return false;
1707 }
1708
1709 static WakeupReason qemu_wakeup_requested(void)
1710 {
1711 return wakeup_reason;
1712 }
1713
1714 static int qemu_powerdown_requested(void)
1715 {
1716 int r = powerdown_requested;
1717 powerdown_requested = 0;
1718 return r;
1719 }
1720
1721 static int qemu_debug_requested(void)
1722 {
1723 int r = debug_requested;
1724 debug_requested = 0;
1725 return r;
1726 }
1727
1728 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1729 {
1730 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1731
1732 re->func = func;
1733 re->opaque = opaque;
1734 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1735 }
1736
1737 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1738 {
1739 QEMUResetEntry *re;
1740
1741 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1742 if (re->func == func && re->opaque == opaque) {
1743 QTAILQ_REMOVE(&reset_handlers, re, entry);
1744 g_free(re);
1745 return;
1746 }
1747 }
1748 }
1749
1750 void qemu_devices_reset(void)
1751 {
1752 QEMUResetEntry *re, *nre;
1753
1754 /* reset all devices */
1755 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1756 re->func(re->opaque);
1757 }
1758 }
1759
1760 void qemu_system_reset(bool report)
1761 {
1762 MachineClass *mc;
1763
1764 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1765
1766 cpu_synchronize_all_states();
1767
1768 if (mc && mc->reset) {
1769 mc->reset();
1770 } else {
1771 qemu_devices_reset();
1772 }
1773 if (report) {
1774 qapi_event_send_reset(&error_abort);
1775 }
1776 cpu_synchronize_all_post_reset();
1777 }
1778
1779 void qemu_system_guest_panicked(void)
1780 {
1781 if (current_cpu) {
1782 current_cpu->crash_occurred = true;
1783 }
1784 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1785 vm_stop(RUN_STATE_GUEST_PANICKED);
1786 }
1787
1788 void qemu_system_reset_request(void)
1789 {
1790 if (no_reboot) {
1791 shutdown_requested = 1;
1792 } else {
1793 reset_requested = 1;
1794 }
1795 cpu_stop_current();
1796 qemu_notify_event();
1797 }
1798
1799 static void qemu_system_suspend(void)
1800 {
1801 pause_all_vcpus();
1802 notifier_list_notify(&suspend_notifiers, NULL);
1803 runstate_set(RUN_STATE_SUSPENDED);
1804 qapi_event_send_suspend(&error_abort);
1805 }
1806
1807 void qemu_system_suspend_request(void)
1808 {
1809 if (runstate_check(RUN_STATE_SUSPENDED)) {
1810 return;
1811 }
1812 suspend_requested = 1;
1813 cpu_stop_current();
1814 qemu_notify_event();
1815 }
1816
1817 void qemu_register_suspend_notifier(Notifier *notifier)
1818 {
1819 notifier_list_add(&suspend_notifiers, notifier);
1820 }
1821
1822 void qemu_system_wakeup_request(WakeupReason reason)
1823 {
1824 trace_system_wakeup_request(reason);
1825
1826 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1827 return;
1828 }
1829 if (!(wakeup_reason_mask & (1 << reason))) {
1830 return;
1831 }
1832 runstate_set(RUN_STATE_RUNNING);
1833 wakeup_reason = reason;
1834 qemu_notify_event();
1835 }
1836
1837 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1838 {
1839 if (enabled) {
1840 wakeup_reason_mask |= (1 << reason);
1841 } else {
1842 wakeup_reason_mask &= ~(1 << reason);
1843 }
1844 }
1845
1846 void qemu_register_wakeup_notifier(Notifier *notifier)
1847 {
1848 notifier_list_add(&wakeup_notifiers, notifier);
1849 }
1850
1851 void qemu_system_killed(int signal, pid_t pid)
1852 {
1853 shutdown_signal = signal;
1854 shutdown_pid = pid;
1855 no_shutdown = 0;
1856
1857 /* Cannot call qemu_system_shutdown_request directly because
1858 * we are in a signal handler.
1859 */
1860 shutdown_requested = 1;
1861 qemu_notify_event();
1862 }
1863
1864 void qemu_system_shutdown_request(void)
1865 {
1866 trace_qemu_system_shutdown_request();
1867 replay_shutdown_request();
1868 shutdown_requested = 1;
1869 qemu_notify_event();
1870 }
1871
1872 static void qemu_system_powerdown(void)
1873 {
1874 qapi_event_send_powerdown(&error_abort);
1875 notifier_list_notify(&powerdown_notifiers, NULL);
1876 }
1877
1878 void qemu_system_powerdown_request(void)
1879 {
1880 trace_qemu_system_powerdown_request();
1881 powerdown_requested = 1;
1882 qemu_notify_event();
1883 }
1884
1885 void qemu_register_powerdown_notifier(Notifier *notifier)
1886 {
1887 notifier_list_add(&powerdown_notifiers, notifier);
1888 }
1889
1890 void qemu_system_debug_request(void)
1891 {
1892 debug_requested = 1;
1893 qemu_notify_event();
1894 }
1895
1896 static bool main_loop_should_exit(void)
1897 {
1898 RunState r;
1899 if (qemu_debug_requested()) {
1900 vm_stop(RUN_STATE_DEBUG);
1901 }
1902 if (qemu_suspend_requested()) {
1903 qemu_system_suspend();
1904 }
1905 if (qemu_shutdown_requested()) {
1906 qemu_kill_report();
1907 qapi_event_send_shutdown(&error_abort);
1908 if (no_shutdown) {
1909 vm_stop(RUN_STATE_SHUTDOWN);
1910 } else {
1911 return true;
1912 }
1913 }
1914 if (qemu_reset_requested()) {
1915 pause_all_vcpus();
1916 qemu_system_reset(VMRESET_REPORT);
1917 resume_all_vcpus();
1918 if (!runstate_check(RUN_STATE_RUNNING) &&
1919 !runstate_check(RUN_STATE_INMIGRATE)) {
1920 runstate_set(RUN_STATE_PRELAUNCH);
1921 }
1922 }
1923 if (qemu_wakeup_requested()) {
1924 pause_all_vcpus();
1925 qemu_system_reset(VMRESET_SILENT);
1926 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1927 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1928 resume_all_vcpus();
1929 qapi_event_send_wakeup(&error_abort);
1930 }
1931 if (qemu_powerdown_requested()) {
1932 qemu_system_powerdown();
1933 }
1934 if (qemu_vmstop_requested(&r)) {
1935 vm_stop(r);
1936 }
1937 return false;
1938 }
1939
1940 static void main_loop(void)
1941 {
1942 bool nonblocking;
1943 int last_io = 0;
1944 #ifdef CONFIG_PROFILER
1945 int64_t ti;
1946 #endif
1947 do {
1948 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1949 #ifdef CONFIG_PROFILER
1950 ti = profile_getclock();
1951 #endif
1952 last_io = main_loop_wait(nonblocking);
1953 #ifdef CONFIG_PROFILER
1954 dev_time += profile_getclock() - ti;
1955 #endif
1956 } while (!main_loop_should_exit());
1957 }
1958
1959 static void version(void)
1960 {
1961 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", "
1962 QEMU_COPYRIGHT "\n");
1963 }
1964
1965 static void help(int exitcode)
1966 {
1967 version();
1968 printf("usage: %s [options] [disk_image]\n\n"
1969 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1970 error_get_progname());
1971
1972 #define QEMU_OPTIONS_GENERATE_HELP
1973 #include "qemu-options-wrapper.h"
1974
1975 printf("\nDuring emulation, the following keys are useful:\n"
1976 "ctrl-alt-f toggle full screen\n"
1977 "ctrl-alt-n switch to virtual console 'n'\n"
1978 "ctrl-alt toggle mouse and keyboard grab\n"
1979 "\n"
1980 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1981
1982 exit(exitcode);
1983 }
1984
1985 #define HAS_ARG 0x0001
1986
1987 typedef struct QEMUOption {
1988 const char *name;
1989 int flags;
1990 int index;
1991 uint32_t arch_mask;
1992 } QEMUOption;
1993
1994 static const QEMUOption qemu_options[] = {
1995 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1996 #define QEMU_OPTIONS_GENERATE_OPTIONS
1997 #include "qemu-options-wrapper.h"
1998 { NULL },
1999 };
2000
2001 typedef struct VGAInterfaceInfo {
2002 const char *opt_name; /* option name */
2003 const char *name; /* human-readable name */
2004 /* Class names indicating that support is available.
2005 * If no class is specified, the interface is always available */
2006 const char *class_names[2];
2007 } VGAInterfaceInfo;
2008
2009 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
2010 [VGA_NONE] = {
2011 .opt_name = "none",
2012 },
2013 [VGA_STD] = {
2014 .opt_name = "std",
2015 .name = "standard VGA",
2016 .class_names = { "VGA", "isa-vga" },
2017 },
2018 [VGA_CIRRUS] = {
2019 .opt_name = "cirrus",
2020 .name = "Cirrus VGA",
2021 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
2022 },
2023 [VGA_VMWARE] = {
2024 .opt_name = "vmware",
2025 .name = "VMWare SVGA",
2026 .class_names = { "vmware-svga" },
2027 },
2028 [VGA_VIRTIO] = {
2029 .opt_name = "virtio",
2030 .name = "Virtio VGA",
2031 .class_names = { "virtio-vga" },
2032 },
2033 [VGA_QXL] = {
2034 .opt_name = "qxl",
2035 .name = "QXL VGA",
2036 .class_names = { "qxl-vga" },
2037 },
2038 [VGA_TCX] = {
2039 .opt_name = "tcx",
2040 .name = "TCX framebuffer",
2041 .class_names = { "SUNW,tcx" },
2042 },
2043 [VGA_CG3] = {
2044 .opt_name = "cg3",
2045 .name = "CG3 framebuffer",
2046 .class_names = { "cgthree" },
2047 },
2048 [VGA_XENFB] = {
2049 .opt_name = "xenfb",
2050 },
2051 };
2052
2053 static bool vga_interface_available(VGAInterfaceType t)
2054 {
2055 VGAInterfaceInfo *ti = &vga_interfaces[t];
2056
2057 assert(t < VGA_TYPE_MAX);
2058 return !ti->class_names[0] ||
2059 object_class_by_name(ti->class_names[0]) ||
2060 object_class_by_name(ti->class_names[1]);
2061 }
2062
2063 static void select_vgahw(const char *p)
2064 {
2065 const char *opts;
2066 int t;
2067
2068 assert(vga_interface_type == VGA_NONE);
2069 for (t = 0; t < VGA_TYPE_MAX; t++) {
2070 VGAInterfaceInfo *ti = &vga_interfaces[t];
2071 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2072 if (!vga_interface_available(t)) {
2073 error_report("%s not available", ti->name);
2074 exit(1);
2075 }
2076 vga_interface_type = t;
2077 break;
2078 }
2079 }
2080 if (t == VGA_TYPE_MAX) {
2081 invalid_vga:
2082 error_report("unknown vga type: %s", p);
2083 exit(1);
2084 }
2085 while (*opts) {
2086 const char *nextopt;
2087
2088 if (strstart(opts, ",retrace=", &nextopt)) {
2089 opts = nextopt;
2090 if (strstart(opts, "dumb", &nextopt))
2091 vga_retrace_method = VGA_RETRACE_DUMB;
2092 else if (strstart(opts, "precise", &nextopt))
2093 vga_retrace_method = VGA_RETRACE_PRECISE;
2094 else goto invalid_vga;
2095 } else goto invalid_vga;
2096 opts = nextopt;
2097 }
2098 }
2099
2100 typedef enum DisplayType {
2101 DT_DEFAULT,
2102 DT_CURSES,
2103 DT_SDL,
2104 DT_COCOA,
2105 DT_GTK,
2106 DT_NONE,
2107 } DisplayType;
2108
2109 static DisplayType select_display(const char *p)
2110 {
2111 const char *opts;
2112 DisplayType display = DT_DEFAULT;
2113
2114 if (strstart(p, "sdl", &opts)) {
2115 #ifdef CONFIG_SDL
2116 display = DT_SDL;
2117 while (*opts) {
2118 const char *nextopt;
2119
2120 if (strstart(opts, ",frame=", &nextopt)) {
2121 opts = nextopt;
2122 if (strstart(opts, "on", &nextopt)) {
2123 no_frame = 0;
2124 } else if (strstart(opts, "off", &nextopt)) {
2125 no_frame = 1;
2126 } else {
2127 goto invalid_sdl_args;
2128 }
2129 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2130 opts = nextopt;
2131 if (strstart(opts, "on", &nextopt)) {
2132 alt_grab = 1;
2133 } else if (strstart(opts, "off", &nextopt)) {
2134 alt_grab = 0;
2135 } else {
2136 goto invalid_sdl_args;
2137 }
2138 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2139 opts = nextopt;
2140 if (strstart(opts, "on", &nextopt)) {
2141 ctrl_grab = 1;
2142 } else if (strstart(opts, "off", &nextopt)) {
2143 ctrl_grab = 0;
2144 } else {
2145 goto invalid_sdl_args;
2146 }
2147 } else if (strstart(opts, ",window_close=", &nextopt)) {
2148 opts = nextopt;
2149 if (strstart(opts, "on", &nextopt)) {
2150 no_quit = 0;
2151 } else if (strstart(opts, "off", &nextopt)) {
2152 no_quit = 1;
2153 } else {
2154 goto invalid_sdl_args;
2155 }
2156 } else if (strstart(opts, ",gl=", &nextopt)) {
2157 opts = nextopt;
2158 if (strstart(opts, "on", &nextopt)) {
2159 request_opengl = 1;
2160 } else if (strstart(opts, "off", &nextopt)) {
2161 request_opengl = 0;
2162 } else {
2163 goto invalid_sdl_args;
2164 }
2165 } else {
2166 invalid_sdl_args:
2167 error_report("invalid SDL option string");
2168 exit(1);
2169 }
2170 opts = nextopt;
2171 }
2172 #else
2173 error_report("SDL support is disabled");
2174 exit(1);
2175 #endif
2176 } else if (strstart(p, "vnc", &opts)) {
2177 if (*opts == '=') {
2178 vnc_parse(opts + 1, &error_fatal);
2179 } else {
2180 error_report("VNC requires a display argument vnc=<display>");
2181 exit(1);
2182 }
2183 } else if (strstart(p, "curses", &opts)) {
2184 #ifdef CONFIG_CURSES
2185 display = DT_CURSES;
2186 #else
2187 error_report("curses support is disabled");
2188 exit(1);
2189 #endif
2190 } else if (strstart(p, "gtk", &opts)) {
2191 #ifdef CONFIG_GTK
2192 display = DT_GTK;
2193 while (*opts) {
2194 const char *nextopt;
2195
2196 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2197 opts = nextopt;
2198 if (strstart(opts, "on", &nextopt)) {
2199 grab_on_hover = true;
2200 } else if (strstart(opts, "off", &nextopt)) {
2201 grab_on_hover = false;
2202 } else {
2203 goto invalid_gtk_args;
2204 }
2205 } else if (strstart(opts, ",gl=", &nextopt)) {
2206 opts = nextopt;
2207 if (strstart(opts, "on", &nextopt)) {
2208 request_opengl = 1;
2209 } else if (strstart(opts, "off", &nextopt)) {
2210 request_opengl = 0;
2211 } else {
2212 goto invalid_gtk_args;
2213 }
2214 } else {
2215 invalid_gtk_args:
2216 error_report("invalid GTK option string");
2217 exit(1);
2218 }
2219 opts = nextopt;
2220 }
2221 #else
2222 error_report("GTK support is disabled");
2223 exit(1);
2224 #endif
2225 } else if (strstart(p, "none", &opts)) {
2226 display = DT_NONE;
2227 } else {
2228 error_report("unknown display type");
2229 exit(1);
2230 }
2231
2232 return display;
2233 }
2234
2235 static int balloon_parse(const char *arg)
2236 {
2237 QemuOpts *opts;
2238
2239 if (strcmp(arg, "none") == 0) {
2240 return 0;
2241 }
2242
2243 if (!strncmp(arg, "virtio", 6)) {
2244 if (arg[6] == ',') {
2245 /* have params -> parse them */
2246 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2247 false);
2248 if (!opts)
2249 return -1;
2250 } else {
2251 /* create empty opts */
2252 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2253 &error_abort);
2254 }
2255 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2256 return 0;
2257 }
2258
2259 return -1;
2260 }
2261
2262 char *qemu_find_file(int type, const char *name)
2263 {
2264 int i;
2265 const char *subdir;
2266 char *buf;
2267
2268 /* Try the name as a straight path first */
2269 if (access(name, R_OK) == 0) {
2270 trace_load_file(name, name);
2271 return g_strdup(name);
2272 }
2273
2274 switch (type) {
2275 case QEMU_FILE_TYPE_BIOS:
2276 subdir = "";
2277 break;
2278 case QEMU_FILE_TYPE_KEYMAP:
2279 subdir = "keymaps/";
2280 break;
2281 default:
2282 abort();
2283 }
2284
2285 for (i = 0; i < data_dir_idx; i++) {
2286 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2287 if (access(buf, R_OK) == 0) {
2288 trace_load_file(name, buf);
2289 return buf;
2290 }
2291 g_free(buf);
2292 }
2293 return NULL;
2294 }
2295
2296 static inline bool nonempty_str(const char *str)
2297 {
2298 return str && *str;
2299 }
2300
2301 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2302 {
2303 gchar *buf;
2304 size_t size;
2305 const char *name, *file, *str;
2306 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2307
2308 if (fw_cfg == NULL) {
2309 error_report("fw_cfg device not available");
2310 return -1;
2311 }
2312 name = qemu_opt_get(opts, "name");
2313 file = qemu_opt_get(opts, "file");
2314 str = qemu_opt_get(opts, "string");
2315
2316 /* we need name and either a file or the content string */
2317 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2318 error_report("invalid argument(s)");
2319 return -1;
2320 }
2321 if (nonempty_str(file) && nonempty_str(str)) {
2322 error_report("file and string are mutually exclusive");
2323 return -1;
2324 }
2325 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2326 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2327 return -1;
2328 }
2329 if (strncmp(name, "opt/", 4) != 0) {
2330 error_report("warning: externally provided fw_cfg item names "
2331 "should be prefixed with \"opt/\"");
2332 }
2333 if (nonempty_str(str)) {
2334 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2335 buf = g_memdup(str, size);
2336 } else {
2337 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2338 error_report("can't load %s", file);
2339 return -1;
2340 }
2341 }
2342 /* For legacy, keep user files in a specific global order. */
2343 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2344 fw_cfg_add_file(fw_cfg, name, buf, size);
2345 fw_cfg_reset_order_override(fw_cfg);
2346 return 0;
2347 }
2348
2349 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2350 {
2351 return qdev_device_help(opts);
2352 }
2353
2354 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2355 {
2356 Error *err = NULL;
2357 DeviceState *dev;
2358
2359 dev = qdev_device_add(opts, &err);
2360 if (!dev) {
2361 error_report_err(err);
2362 return -1;
2363 }
2364 object_unref(OBJECT(dev));
2365 return 0;
2366 }
2367
2368 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2369 {
2370 Error *local_err = NULL;
2371
2372 qemu_chr_new_from_opts(opts, NULL, &local_err);
2373 if (local_err) {
2374 error_report_err(local_err);
2375 return -1;
2376 }
2377 return 0;
2378 }
2379
2380 #ifdef CONFIG_VIRTFS
2381 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2382 {
2383 return qemu_fsdev_add(opts);
2384 }
2385 #endif
2386
2387 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2388 {
2389 CharDriverState *chr;
2390 const char *chardev;
2391 const char *mode;
2392 int flags;
2393
2394 mode = qemu_opt_get(opts, "mode");
2395 if (mode == NULL) {
2396 mode = "readline";
2397 }
2398 if (strcmp(mode, "readline") == 0) {
2399 flags = MONITOR_USE_READLINE;
2400 } else if (strcmp(mode, "control") == 0) {
2401 flags = MONITOR_USE_CONTROL;
2402 } else {
2403 error_report("unknown monitor mode \"%s\"", mode);
2404 exit(1);
2405 }
2406
2407 if (qemu_opt_get_bool(opts, "pretty", 0))
2408 flags |= MONITOR_USE_PRETTY;
2409
2410 if (qemu_opt_get_bool(opts, "default", 0))
2411 flags |= MONITOR_IS_DEFAULT;
2412
2413 chardev = qemu_opt_get(opts, "chardev");
2414 chr = qemu_chr_find(chardev);
2415 if (chr == NULL) {
2416 error_report("chardev \"%s\" not found", chardev);
2417 exit(1);
2418 }
2419
2420 qemu_chr_fe_claim_no_fail(chr);
2421 monitor_init(chr, flags);
2422 return 0;
2423 }
2424
2425 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2426 {
2427 static int monitor_device_index = 0;
2428 QemuOpts *opts;
2429 const char *p;
2430 char label[32];
2431 int def = 0;
2432
2433 if (strstart(optarg, "chardev:", &p)) {
2434 snprintf(label, sizeof(label), "%s", p);
2435 } else {
2436 snprintf(label, sizeof(label), "compat_monitor%d",
2437 monitor_device_index);
2438 if (monitor_device_index == 0) {
2439 def = 1;
2440 }
2441 opts = qemu_chr_parse_compat(label, optarg);
2442 if (!opts) {
2443 error_report("parse error: %s", optarg);
2444 exit(1);
2445 }
2446 }
2447
2448 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2449 qemu_opt_set(opts, "mode", mode, &error_abort);
2450 qemu_opt_set(opts, "chardev", label, &error_abort);
2451 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2452 if (def)
2453 qemu_opt_set(opts, "default", "on", &error_abort);
2454 monitor_device_index++;
2455 }
2456
2457 struct device_config {
2458 enum {
2459 DEV_USB, /* -usbdevice */
2460 DEV_BT, /* -bt */
2461 DEV_SERIAL, /* -serial */
2462 DEV_PARALLEL, /* -parallel */
2463 DEV_VIRTCON, /* -virtioconsole */
2464 DEV_DEBUGCON, /* -debugcon */
2465 DEV_GDB, /* -gdb, -s */
2466 DEV_SCLP, /* s390 sclp */
2467 } type;
2468 const char *cmdline;
2469 Location loc;
2470 QTAILQ_ENTRY(device_config) next;
2471 };
2472
2473 static QTAILQ_HEAD(, device_config) device_configs =
2474 QTAILQ_HEAD_INITIALIZER(device_configs);
2475
2476 static void add_device_config(int type, const char *cmdline)
2477 {
2478 struct device_config *conf;
2479
2480 conf = g_malloc0(sizeof(*conf));
2481 conf->type = type;
2482 conf->cmdline = cmdline;
2483 loc_save(&conf->loc);
2484 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2485 }
2486
2487 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2488 {
2489 struct device_config *conf;
2490 int rc;
2491
2492 QTAILQ_FOREACH(conf, &device_configs, next) {
2493 if (conf->type != type)
2494 continue;
2495 loc_push_restore(&conf->loc);
2496 rc = func(conf->cmdline);
2497 loc_pop(&conf->loc);
2498 if (rc) {
2499 return rc;
2500 }
2501 }
2502 return 0;
2503 }
2504
2505 static int serial_parse(const char *devname)
2506 {
2507 static int index = 0;
2508 char label[32];
2509
2510 if (strcmp(devname, "none") == 0)
2511 return 0;
2512 if (index == MAX_SERIAL_PORTS) {
2513 error_report("too many serial ports");
2514 exit(1);
2515 }
2516 snprintf(label, sizeof(label), "serial%d", index);
2517 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2518 if (!serial_hds[index]) {
2519 error_report("could not connect serial device"
2520 " to character backend '%s'", devname);
2521 return -1;
2522 }
2523 index++;
2524 return 0;
2525 }
2526
2527 static int parallel_parse(const char *devname)
2528 {
2529 static int index = 0;
2530 char label[32];
2531
2532 if (strcmp(devname, "none") == 0)
2533 return 0;
2534 if (index == MAX_PARALLEL_PORTS) {
2535 error_report("too many parallel ports");
2536 exit(1);
2537 }
2538 snprintf(label, sizeof(label), "parallel%d", index);
2539 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2540 if (!parallel_hds[index]) {
2541 error_report("could not connect parallel device"
2542 " to character backend '%s'", devname);
2543 return -1;
2544 }
2545 index++;
2546 return 0;
2547 }
2548
2549 static int virtcon_parse(const char *devname)
2550 {
2551 QemuOptsList *device = qemu_find_opts("device");
2552 static int index = 0;
2553 char label[32];
2554 QemuOpts *bus_opts, *dev_opts;
2555
2556 if (strcmp(devname, "none") == 0)
2557 return 0;
2558 if (index == MAX_VIRTIO_CONSOLES) {
2559 error_report("too many virtio consoles");
2560 exit(1);
2561 }
2562
2563 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2564 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2565
2566 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2567 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2568
2569 snprintf(label, sizeof(label), "virtcon%d", index);
2570 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2571 if (!virtcon_hds[index]) {
2572 error_report("could not connect virtio console"
2573 " to character backend '%s'", devname);
2574 return -1;
2575 }
2576 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2577
2578 index++;
2579 return 0;
2580 }
2581
2582 static int sclp_parse(const char *devname)
2583 {
2584 QemuOptsList *device = qemu_find_opts("device");
2585 static int index = 0;
2586 char label[32];
2587 QemuOpts *dev_opts;
2588
2589 if (strcmp(devname, "none") == 0) {
2590 return 0;
2591 }
2592 if (index == MAX_SCLP_CONSOLES) {
2593 error_report("too many sclp consoles");
2594 exit(1);
2595 }
2596
2597 assert(arch_type == QEMU_ARCH_S390X);
2598
2599 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2600 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2601
2602 snprintf(label, sizeof(label), "sclpcon%d", index);
2603 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2604 if (!sclp_hds[index]) {
2605 error_report("could not connect sclp console"
2606 " to character backend '%s'", devname);
2607 return -1;
2608 }
2609 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2610
2611 index++;
2612 return 0;
2613 }
2614
2615 static int debugcon_parse(const char *devname)
2616 {
2617 QemuOpts *opts;
2618
2619 if (!qemu_chr_new("debugcon", devname, NULL)) {
2620 exit(1);
2621 }
2622 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2623 if (!opts) {
2624 error_report("already have a debugcon device");
2625 exit(1);
2626 }
2627 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2628 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2629 return 0;
2630 }
2631
2632 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2633 {
2634 const MachineClass *mc1 = a, *mc2 = b;
2635 int res;
2636
2637 if (mc1->family == NULL) {
2638 if (mc2->family == NULL) {
2639 /* Compare standalone machine types against each other; they sort
2640 * in increasing order.
2641 */
2642 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2643 object_class_get_name(OBJECT_CLASS(mc2)));
2644 }
2645
2646 /* Standalone machine types sort after families. */
2647 return 1;
2648 }
2649
2650 if (mc2->family == NULL) {
2651 /* Families sort before standalone machine types. */
2652 return -1;
2653 }
2654
2655 /* Families sort between each other alphabetically increasingly. */
2656 res = strcmp(mc1->family, mc2->family);
2657 if (res != 0) {
2658 return res;
2659 }
2660
2661 /* Within the same family, machine types sort in decreasing order. */
2662 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2663 object_class_get_name(OBJECT_CLASS(mc1)));
2664 }
2665
2666 static MachineClass *machine_parse(const char *name)
2667 {
2668 MachineClass *mc = NULL;
2669 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2670
2671 if (name) {
2672 mc = find_machine(name);
2673 }
2674 if (mc) {
2675 g_slist_free(machines);
2676 return mc;
2677 }
2678 if (name && !is_help_option(name)) {
2679 error_report("unsupported machine type");
2680 error_printf("Use -machine help to list supported machines\n");
2681 } else {
2682 printf("Supported machines are:\n");
2683 machines = g_slist_sort(machines, machine_class_cmp);
2684 for (el = machines; el; el = el->next) {
2685 MachineClass *mc = el->data;
2686 if (mc->alias) {
2687 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2688 }
2689 printf("%-20s %s%s\n", mc->name, mc->desc,
2690 mc->is_default ? " (default)" : "");
2691 }
2692 }
2693
2694 g_slist_free(machines);
2695 exit(!name || !is_help_option(name));
2696 }
2697
2698 void qemu_add_exit_notifier(Notifier *notify)
2699 {
2700 notifier_list_add(&exit_notifiers, notify);
2701 }
2702
2703 void qemu_remove_exit_notifier(Notifier *notify)
2704 {
2705 notifier_remove(notify);
2706 }
2707
2708 static void qemu_run_exit_notifiers(void)
2709 {
2710 notifier_list_notify(&exit_notifiers, NULL);
2711 }
2712
2713 static bool machine_init_done;
2714
2715 void qemu_add_machine_init_done_notifier(Notifier *notify)
2716 {
2717 notifier_list_add(&machine_init_done_notifiers, notify);
2718 if (machine_init_done) {
2719 notify->notify(notify, NULL);
2720 }
2721 }
2722
2723 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2724 {
2725 notifier_remove(notify);
2726 }
2727
2728 static void qemu_run_machine_init_done_notifiers(void)
2729 {
2730 notifier_list_notify(&machine_init_done_notifiers, NULL);
2731 machine_init_done = true;
2732 }
2733
2734 static const QEMUOption *lookup_opt(int argc, char **argv,
2735 const char **poptarg, int *poptind)
2736 {
2737 const QEMUOption *popt;
2738 int optind = *poptind;
2739 char *r = argv[optind];
2740 const char *optarg;
2741
2742 loc_set_cmdline(argv, optind, 1);
2743 optind++;
2744 /* Treat --foo the same as -foo. */
2745 if (r[1] == '-')
2746 r++;
2747 popt = qemu_options;
2748 for(;;) {
2749 if (!popt->name) {
2750 error_report("invalid option");
2751 exit(1);
2752 }
2753 if (!strcmp(popt->name, r + 1))
2754 break;
2755 popt++;
2756 }
2757 if (popt->flags & HAS_ARG) {
2758 if (optind >= argc) {
2759 error_report("requires an argument");
2760 exit(1);
2761 }
2762 optarg = argv[optind++];
2763 loc_set_cmdline(argv, optind - 2, 2);
2764 } else {
2765 optarg = NULL;
2766 }
2767
2768 *poptarg = optarg;
2769 *poptind = optind;
2770
2771 return popt;
2772 }
2773
2774 static MachineClass *select_machine(void)
2775 {
2776 MachineClass *machine_class = find_default_machine();
2777 const char *optarg;
2778 QemuOpts *opts;
2779 Location loc;
2780
2781 loc_push_none(&loc);
2782
2783 opts = qemu_get_machine_opts();
2784 qemu_opts_loc_restore(opts);
2785
2786 optarg = qemu_opt_get(opts, "type");
2787 if (optarg) {
2788 machine_class = machine_parse(optarg);
2789 }
2790
2791 if (!machine_class) {
2792 error_report("No machine specified, and there is no default");
2793 error_printf("Use -machine help to list supported machines\n");
2794 exit(1);
2795 }
2796
2797 loc_pop(&loc);
2798 return machine_class;
2799 }
2800
2801 static int machine_set_property(void *opaque,
2802 const char *name, const char *value,
2803 Error **errp)
2804 {
2805 Object *obj = OBJECT(opaque);
2806 Error *local_err = NULL;
2807 char *c, *qom_name;
2808
2809 if (strcmp(name, "type") == 0) {
2810 return 0;
2811 }
2812
2813 qom_name = g_strdup(name);
2814 c = qom_name;
2815 while (*c++) {
2816 if (*c == '_') {
2817 *c = '-';
2818 }
2819 }
2820
2821 object_property_parse(obj, value, qom_name, &local_err);
2822 g_free(qom_name);
2823
2824 if (local_err) {
2825 error_report_err(local_err);
2826 return -1;
2827 }
2828
2829 return 0;
2830 }
2831
2832
2833 /*
2834 * Initial object creation happens before all other
2835 * QEMU data types are created. The majority of objects
2836 * can be created at this point. The rng-egd object
2837 * cannot be created here, as it depends on the chardev
2838 * already existing.
2839 */
2840 static bool object_create_initial(const char *type)
2841 {
2842 if (g_str_equal(type, "rng-egd")) {
2843 return false;
2844 }
2845
2846 /*
2847 * return false for concrete netfilters since
2848 * they depend on netdevs already existing
2849 */
2850 if (g_str_equal(type, "filter-buffer") ||
2851 g_str_equal(type, "filter-dump") ||
2852 g_str_equal(type, "filter-mirror") ||
2853 g_str_equal(type, "filter-redirector") ||
2854 g_str_equal(type, "colo-compare") ||
2855 g_str_equal(type, "filter-rewriter")) {
2856 return false;
2857 }
2858
2859 /* Memory allocation by backends needs to be done
2860 * after configure_accelerator() (due to the tcg_enabled()
2861 * checks at memory_region_init_*()).
2862 *
2863 * Also, allocation of large amounts of memory may delay
2864 * chardev initialization for too long, and trigger timeouts
2865 * on software that waits for a monitor socket to be created
2866 * (e.g. libvirt).
2867 */
2868 if (g_str_has_prefix(type, "memory-backend-")) {
2869 return false;
2870 }
2871
2872 return true;
2873 }
2874
2875
2876 /*
2877 * The remainder of object creation happens after the
2878 * creation of chardev, fsdev, net clients and device data types.
2879 */
2880 static bool object_create_delayed(const char *type)
2881 {
2882 return !object_create_initial(type);
2883 }
2884
2885
2886 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2887 MachineClass *mc)
2888 {
2889 uint64_t sz;
2890 const char *mem_str;
2891 const char *maxmem_str, *slots_str;
2892 const ram_addr_t default_ram_size = mc->default_ram_size;
2893 QemuOpts *opts = qemu_find_opts_singleton("memory");
2894 Location loc;
2895
2896 loc_push_none(&loc);
2897 qemu_opts_loc_restore(opts);
2898
2899 sz = 0;
2900 mem_str = qemu_opt_get(opts, "size");
2901 if (mem_str) {
2902 if (!*mem_str) {
2903 error_report("missing 'size' option value");
2904 exit(EXIT_FAILURE);
2905 }
2906
2907 sz = qemu_opt_get_size(opts, "size", ram_size);
2908
2909 /* Fix up legacy suffix-less format */
2910 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2911 uint64_t overflow_check = sz;
2912
2913 sz <<= 20;
2914 if ((sz >> 20) != overflow_check) {
2915 error_report("too large 'size' option value");
2916 exit(EXIT_FAILURE);
2917 }
2918 }
2919 }
2920
2921 /* backward compatibility behaviour for case "-m 0" */
2922 if (sz == 0) {
2923 sz = default_ram_size;
2924 }
2925
2926 sz = QEMU_ALIGN_UP(sz, 8192);
2927 ram_size = sz;
2928 if (ram_size != sz) {
2929 error_report("ram size too large");
2930 exit(EXIT_FAILURE);
2931 }
2932
2933 /* store value for the future use */
2934 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2935 *maxram_size = ram_size;
2936
2937 maxmem_str = qemu_opt_get(opts, "maxmem");
2938 slots_str = qemu_opt_get(opts, "slots");
2939 if (maxmem_str && slots_str) {
2940 uint64_t slots;
2941
2942 sz = qemu_opt_get_size(opts, "maxmem", 0);
2943 slots = qemu_opt_get_number(opts, "slots", 0);
2944 if (sz < ram_size) {
2945 error_report("invalid value of -m option maxmem: "
2946 "maximum memory size (0x%" PRIx64 ") must be at least "
2947 "the initial memory size (0x" RAM_ADDR_FMT ")",
2948 sz, ram_size);
2949 exit(EXIT_FAILURE);
2950 } else if (sz > ram_size) {
2951 if (!slots) {
2952 error_report("invalid value of -m option: maxmem was "
2953 "specified, but no hotplug slots were specified");
2954 exit(EXIT_FAILURE);
2955 }
2956 } else if (slots) {
2957 error_report("invalid value of -m option maxmem: "
2958 "memory slots were specified but maximum memory size "
2959 "(0x%" PRIx64 ") is equal to the initial memory size "
2960 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2961 exit(EXIT_FAILURE);
2962 }
2963
2964 *maxram_size = sz;
2965 *ram_slots = slots;
2966 } else if ((!maxmem_str && slots_str) ||
2967 (maxmem_str && !slots_str)) {
2968 error_report("invalid -m option value: missing "
2969 "'%s' option", slots_str ? "maxmem" : "slots");
2970 exit(EXIT_FAILURE);
2971 }
2972
2973 loc_pop(&loc);
2974 }
2975
2976 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2977 {
2978 GlobalProperty *g;
2979
2980 g = g_malloc0(sizeof(*g));
2981 g->driver = qemu_opt_get(opts, "driver");
2982 g->property = qemu_opt_get(opts, "property");
2983 g->value = qemu_opt_get(opts, "value");
2984 g->user_provided = true;
2985 g->errp = &error_fatal;
2986 qdev_prop_register_global(g);
2987 return 0;
2988 }
2989
2990 int main(int argc, char **argv, char **envp)
2991 {
2992 int i;
2993 int snapshot, linux_boot;
2994 const char *initrd_filename;
2995 const char *kernel_filename, *kernel_cmdline;
2996 const char *boot_order = NULL;
2997 const char *boot_once = NULL;
2998 DisplayState *ds;
2999 int cyls, heads, secs, translation;
3000 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
3001 QemuOptsList *olist;
3002 int optind;
3003 const char *optarg;
3004 const char *loadvm = NULL;
3005 MachineClass *machine_class;
3006 const char *cpu_model;
3007 const char *vga_model = NULL;
3008 const char *qtest_chrdev = NULL;
3009 const char *qtest_log = NULL;
3010 const char *pid_file = NULL;
3011 const char *incoming = NULL;
3012 bool defconfig = true;
3013 bool userconfig = true;
3014 bool nographic = false;
3015 DisplayType display_type = DT_DEFAULT;
3016 int display_remote = 0;
3017 const char *log_mask = NULL;
3018 const char *log_file = NULL;
3019 char *trace_file = NULL;
3020 ram_addr_t maxram_size;
3021 uint64_t ram_slots = 0;
3022 FILE *vmstate_dump_file = NULL;
3023 Error *main_loop_err = NULL;
3024 Error *err = NULL;
3025 bool list_data_dirs = false;
3026
3027 module_call_init(MODULE_INIT_TRACE);
3028
3029 qemu_init_cpu_list();
3030 qemu_init_cpu_loop();
3031 qemu_mutex_lock_iothread();
3032
3033 atexit(qemu_run_exit_notifiers);
3034 error_set_progname(argv[0]);
3035 qemu_init_exec_dir(argv[0]);
3036
3037 module_call_init(MODULE_INIT_QOM);
3038 module_call_init(MODULE_INIT_QAPI);
3039
3040 qemu_add_opts(&qemu_drive_opts);
3041 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3042 qemu_add_drive_opts(&qemu_common_drive_opts);
3043 qemu_add_drive_opts(&qemu_drive_opts);
3044 qemu_add_drive_opts(&bdrv_runtime_opts);
3045 qemu_add_opts(&qemu_chardev_opts);
3046 qemu_add_opts(&qemu_device_opts);
3047 qemu_add_opts(&qemu_netdev_opts);
3048 qemu_add_opts(&qemu_net_opts);
3049 qemu_add_opts(&qemu_rtc_opts);
3050 qemu_add_opts(&qemu_global_opts);
3051 qemu_add_opts(&qemu_mon_opts);
3052 qemu_add_opts(&qemu_trace_opts);
3053 qemu_add_opts(&qemu_option_rom_opts);
3054 qemu_add_opts(&qemu_machine_opts);
3055 qemu_add_opts(&qemu_mem_opts);
3056 qemu_add_opts(&qemu_smp_opts);
3057 qemu_add_opts(&qemu_boot_opts);
3058 qemu_add_opts(&qemu_sandbox_opts);
3059 qemu_add_opts(&qemu_add_fd_opts);
3060 qemu_add_opts(&qemu_object_opts);
3061 qemu_add_opts(&qemu_tpmdev_opts);
3062 qemu_add_opts(&qemu_realtime_opts);
3063 qemu_add_opts(&qemu_msg_opts);
3064 qemu_add_opts(&qemu_name_opts);
3065 qemu_add_opts(&qemu_numa_opts);
3066 qemu_add_opts(&qemu_icount_opts);
3067 qemu_add_opts(&qemu_semihosting_config_opts);
3068 qemu_add_opts(&qemu_fw_cfg_opts);
3069 #ifdef CONFIG_LIBISCSI
3070 qemu_add_opts(&qemu_iscsi_opts);
3071 #endif
3072 module_call_init(MODULE_INIT_OPTS);
3073
3074 runstate_init();
3075
3076 if (qcrypto_init(&err) < 0) {
3077 error_reportf_err(err, "cannot initialize crypto: ");
3078 exit(1);
3079 }
3080 rtc_clock = QEMU_CLOCK_HOST;
3081
3082 QLIST_INIT (&vm_change_state_head);
3083 os_setup_early_signal_handling();
3084
3085 cpu_model = NULL;
3086 snapshot = 0;
3087 cyls = heads = secs = 0;
3088 translation = BIOS_ATA_TRANSLATION_AUTO;
3089
3090 nb_nics = 0;
3091
3092 bdrv_init_with_whitelist();
3093
3094 autostart = 1;
3095
3096 /* first pass of option parsing */
3097 optind = 1;
3098 while (optind < argc) {
3099 if (argv[optind][0] != '-') {
3100 /* disk image */
3101 optind++;
3102 } else {
3103 const QEMUOption *popt;
3104
3105 popt = lookup_opt(argc, argv, &optarg, &optind);
3106 switch (popt->index) {
3107 case QEMU_OPTION_nodefconfig:
3108 defconfig = false;
3109 break;
3110 case QEMU_OPTION_nouserconfig:
3111 userconfig = false;
3112 break;
3113 }
3114 }
3115 }
3116
3117 if (defconfig) {
3118 int ret;
3119 ret = qemu_read_default_config_files(userconfig);
3120 if (ret < 0) {
3121 exit(1);
3122 }
3123 }
3124
3125 /* second pass of option parsing */
3126 optind = 1;
3127 for(;;) {
3128 if (optind >= argc)
3129 break;
3130 if (argv[optind][0] != '-') {
3131 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3132 } else {
3133 const QEMUOption *popt;
3134
3135 popt = lookup_opt(argc, argv, &optarg, &optind);
3136 if (!(popt->arch_mask & arch_type)) {
3137 error_report("Option not supported for this target");
3138 exit(1);
3139 }
3140 switch(popt->index) {
3141 case QEMU_OPTION_no_kvm_irqchip: {
3142 olist = qemu_find_opts("machine");
3143 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3144 break;
3145 }
3146 case QEMU_OPTION_cpu:
3147 /* hw initialization will check this */
3148 cpu_model = optarg;
3149 break;
3150 case QEMU_OPTION_hda:
3151 {
3152 char buf[256];
3153 if (cyls == 0)
3154 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3155 else
3156 snprintf(buf, sizeof(buf),
3157 "%s,cyls=%d,heads=%d,secs=%d%s",
3158 HD_OPTS , cyls, heads, secs,
3159 translation == BIOS_ATA_TRANSLATION_LBA ?
3160 ",trans=lba" :
3161 translation == BIOS_ATA_TRANSLATION_NONE ?
3162 ",trans=none" : "");
3163 drive_add(IF_DEFAULT, 0, optarg, buf);
3164 break;
3165 }
3166 case QEMU_OPTION_hdb:
3167 case QEMU_OPTION_hdc:
3168 case QEMU_OPTION_hdd:
3169 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3170 HD_OPTS);
3171 break;
3172 case QEMU_OPTION_drive:
3173 if (drive_def(optarg) == NULL) {
3174 exit(1);
3175 }
3176 break;
3177 case QEMU_OPTION_set:
3178 if (qemu_set_option(optarg) != 0)
3179 exit(1);
3180 break;
3181 case QEMU_OPTION_global:
3182 if (qemu_global_option(optarg) != 0)
3183 exit(1);
3184 break;
3185 case QEMU_OPTION_mtdblock:
3186 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3187 break;
3188 case QEMU_OPTION_sd:
3189 drive_add(IF_SD, -1, optarg, SD_OPTS);
3190 break;
3191 case QEMU_OPTION_pflash:
3192 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3193 break;
3194 case QEMU_OPTION_snapshot:
3195 snapshot = 1;
3196 break;
3197 case QEMU_OPTION_hdachs:
3198 {
3199 const char *p;
3200 p = optarg;
3201 cyls = strtol(p, (char **)&p, 0);
3202 if (cyls < 1 || cyls > 16383)
3203 goto chs_fail;
3204 if (*p != ',')
3205 goto chs_fail;
3206 p++;
3207 heads = strtol(p, (char **)&p, 0);
3208 if (heads < 1 || heads > 16)
3209 goto chs_fail;
3210 if (*p != ',')
3211 goto chs_fail;
3212 p++;
3213 secs = strtol(p, (char **)&p, 0);
3214 if (secs < 1 || secs > 63)
3215 goto chs_fail;
3216 if (*p == ',') {
3217 p++;
3218 if (!strcmp(p, "large")) {
3219 translation = BIOS_ATA_TRANSLATION_LARGE;
3220 } else if (!strcmp(p, "rechs")) {
3221 translation = BIOS_ATA_TRANSLATION_RECHS;
3222 } else if (!strcmp(p, "none")) {
3223 translation = BIOS_ATA_TRANSLATION_NONE;
3224 } else if (!strcmp(p, "lba")) {
3225 translation = BIOS_ATA_TRANSLATION_LBA;
3226 } else if (!strcmp(p, "auto")) {
3227 translation = BIOS_ATA_TRANSLATION_AUTO;
3228 } else {
3229 goto chs_fail;
3230 }
3231 } else if (*p != '\0') {
3232 chs_fail:
3233 error_report("invalid physical CHS format");
3234 exit(1);
3235 }
3236 if (hda_opts != NULL) {
3237 qemu_opt_set_number(hda_opts, "cyls", cyls,
3238 &error_abort);
3239 qemu_opt_set_number(hda_opts, "heads", heads,
3240 &error_abort);
3241 qemu_opt_set_number(hda_opts, "secs", secs,
3242 &error_abort);
3243 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3244 qemu_opt_set(hda_opts, "trans", "large",
3245 &error_abort);
3246 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3247 qemu_opt_set(hda_opts, "trans", "rechs",
3248 &error_abort);
3249 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3250 qemu_opt_set(hda_opts, "trans", "lba",
3251 &error_abort);
3252 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3253 qemu_opt_set(hda_opts, "trans", "none",
3254 &error_abort);
3255 }
3256 }
3257 }
3258 break;
3259 case QEMU_OPTION_numa:
3260 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3261 optarg, true);
3262 if (!opts) {
3263 exit(1);
3264 }
3265 break;
3266 case QEMU_OPTION_display:
3267 display_type = select_display(optarg);
3268 break;
3269 case QEMU_OPTION_nographic:
3270 olist = qemu_find_opts("machine");
3271 qemu_opts_parse_noisily(olist, "graphics=off", false);
3272 nographic = true;
3273 display_type = DT_NONE;
3274 break;
3275 case QEMU_OPTION_curses:
3276 #ifdef CONFIG_CURSES
3277 display_type = DT_CURSES;
3278 #else
3279 error_report("curses support is disabled");
3280 exit(1);
3281 #endif
3282 break;
3283 case QEMU_OPTION_portrait:
3284 graphic_rotate = 90;
3285 break;
3286 case QEMU_OPTION_rotate:
3287 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3288 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3289 graphic_rotate != 180 && graphic_rotate != 270) {
3290 error_report("only 90, 180, 270 deg rotation is available");
3291 exit(1);
3292 }
3293 break;
3294 case QEMU_OPTION_kernel:
3295 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3296 &error_abort);
3297 break;
3298 case QEMU_OPTION_initrd:
3299 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3300 &error_abort);
3301 break;
3302 case QEMU_OPTION_append:
3303 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3304 &error_abort);
3305 break;
3306 case QEMU_OPTION_dtb:
3307 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3308 &error_abort);
3309 break;
3310 case QEMU_OPTION_cdrom:
3311 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3312 break;
3313 case QEMU_OPTION_boot:
3314 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3315 optarg, true);
3316 if (!opts) {
3317 exit(1);
3318 }
3319 break;
3320 case QEMU_OPTION_fda:
3321 case QEMU_OPTION_fdb:
3322 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3323 optarg, FD_OPTS);
3324 break;
3325 case QEMU_OPTION_no_fd_bootchk:
3326 fd_bootchk = 0;
3327 break;
3328 case QEMU_OPTION_netdev:
3329 default_net = 0;
3330 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3331 exit(1);
3332 }
3333 break;
3334 case QEMU_OPTION_net:
3335 default_net = 0;
3336 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3337 exit(1);
3338 }
3339 break;
3340 #ifdef CONFIG_LIBISCSI
3341 case QEMU_OPTION_iscsi:
3342 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3343 optarg, false);
3344 if (!opts) {
3345 exit(1);
3346 }
3347 break;
3348 #endif
3349 #ifdef CONFIG_SLIRP
3350 case QEMU_OPTION_tftp:
3351 error_report("The -tftp option is deprecated. "
3352 "Please use '-netdev user,tftp=...' instead.");
3353 legacy_tftp_prefix = optarg;
3354 break;
3355 case QEMU_OPTION_bootp:
3356 error_report("The -bootp option is deprecated. "
3357 "Please use '-netdev user,bootfile=...' instead.");
3358 legacy_bootp_filename = optarg;
3359 break;
3360 case QEMU_OPTION_redir:
3361 error_report("The -redir option is deprecated. "
3362 "Please use '-netdev user,hostfwd=...' instead.");
3363 if (net_slirp_redir(optarg) < 0)
3364 exit(1);
3365 break;
3366 #endif
3367 case QEMU_OPTION_bt:
3368 add_device_config(DEV_BT, optarg);
3369 break;
3370 case QEMU_OPTION_audio_help:
3371 AUD_help ();
3372 exit (0);
3373 break;
3374 case QEMU_OPTION_soundhw:
3375 select_soundhw (optarg);
3376 break;
3377 case QEMU_OPTION_h:
3378 help(0);
3379 break;
3380 case QEMU_OPTION_version:
3381 version();
3382 exit(0);
3383 break;
3384 case QEMU_OPTION_m:
3385 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3386 optarg, true);
3387 if (!opts) {
3388 exit(EXIT_FAILURE);
3389 }
3390 break;
3391 #ifdef CONFIG_TPM
3392 case QEMU_OPTION_tpmdev:
3393 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3394 exit(1);
3395 }
3396 break;
3397 #endif
3398 case QEMU_OPTION_mempath:
3399 mem_path = optarg;
3400 break;
3401 case QEMU_OPTION_mem_prealloc:
3402 mem_prealloc = 1;
3403 break;
3404 case QEMU_OPTION_d:
3405 log_mask = optarg;
3406 break;
3407 case QEMU_OPTION_D:
3408 log_file = optarg;
3409 break;
3410 case QEMU_OPTION_DFILTER:
3411 qemu_set_dfilter_ranges(optarg, &error_fatal);
3412 break;
3413 case QEMU_OPTION_s:
3414 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3415 break;
3416 case QEMU_OPTION_gdb:
3417 add_device_config(DEV_GDB, optarg);
3418 break;
3419 case QEMU_OPTION_L:
3420 if (is_help_option(optarg)) {
3421 list_data_dirs = true;
3422 } else if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3423 data_dir[data_dir_idx++] = optarg;
3424 }
3425 break;
3426 case QEMU_OPTION_bios:
3427 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3428 &error_abort);
3429 break;
3430 case QEMU_OPTION_singlestep:
3431 singlestep = 1;
3432 break;
3433 case QEMU_OPTION_S:
3434 autostart = 0;
3435 break;
3436 case QEMU_OPTION_k:
3437 keyboard_layout = optarg;
3438 break;
3439 case QEMU_OPTION_localtime:
3440 rtc_utc = 0;
3441 break;
3442 case QEMU_OPTION_vga:
3443 vga_model = optarg;
3444 default_vga = 0;
3445 break;
3446 case QEMU_OPTION_g:
3447 {
3448 const char *p;
3449 int w, h, depth;
3450 p = optarg;
3451 w = strtol(p, (char **)&p, 10);
3452 if (w <= 0) {
3453 graphic_error:
3454 error_report("invalid resolution or depth");
3455 exit(1);
3456 }
3457 if (*p != 'x')
3458 goto graphic_error;
3459 p++;
3460 h = strtol(p, (char **)&p, 10);
3461 if (h <= 0)
3462 goto graphic_error;
3463 if (*p == 'x') {
3464 p++;
3465 depth = strtol(p, (char **)&p, 10);
3466 if (depth != 8 && depth != 15 && depth != 16 &&
3467 depth != 24 && depth != 32)
3468 goto graphic_error;
3469 } else if (*p == '\0') {
3470 depth = graphic_depth;
3471 } else {
3472 goto graphic_error;
3473 }
3474
3475 graphic_width = w;
3476 graphic_height = h;
3477 graphic_depth = depth;
3478 }
3479 break;
3480 case QEMU_OPTION_echr:
3481 {
3482 char *r;
3483 term_escape_char = strtol(optarg, &r, 0);
3484 if (r == optarg)
3485 printf("Bad argument to echr\n");
3486 break;
3487 }
3488 case QEMU_OPTION_monitor:
3489 default_monitor = 0;
3490 if (strncmp(optarg, "none", 4)) {
3491 monitor_parse(optarg, "readline", false);
3492 }
3493 break;
3494 case QEMU_OPTION_qmp:
3495 monitor_parse(optarg, "control", false);
3496 default_monitor = 0;
3497 break;
3498 case QEMU_OPTION_qmp_pretty:
3499 monitor_parse(optarg, "control", true);
3500 default_monitor = 0;
3501 break;
3502 case QEMU_OPTION_mon:
3503 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3504 true);
3505 if (!opts) {
3506 exit(1);
3507 }
3508 default_monitor = 0;
3509 break;
3510 case QEMU_OPTION_chardev:
3511 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3512 optarg, true);
3513 if (!opts) {
3514 exit(1);
3515 }
3516 break;
3517 case QEMU_OPTION_fsdev:
3518 olist = qemu_find_opts("fsdev");
3519 if (!olist) {
3520 error_report("fsdev support is disabled");
3521 exit(1);
3522 }
3523 opts = qemu_opts_parse_noisily(olist, optarg, true);
3524 if (!opts) {
3525 exit(1);
3526 }
3527 break;
3528 case QEMU_OPTION_virtfs: {
3529 QemuOpts *fsdev;
3530 QemuOpts *device;
3531 const char *writeout, *sock_fd, *socket;
3532
3533 olist = qemu_find_opts("virtfs");
3534 if (!olist) {
3535 error_report("virtfs support is disabled");
3536 exit(1);
3537 }
3538 opts = qemu_opts_parse_noisily(olist, optarg, true);
3539 if (!opts) {
3540 exit(1);
3541 }
3542
3543 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3544 qemu_opt_get(opts, "mount_tag") == NULL) {
3545 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3546 exit(1);
3547 }
3548 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3549 qemu_opt_get(opts, "mount_tag"),
3550 1, NULL);
3551 if (!fsdev) {
3552 error_report("duplicate fsdev id: %s",
3553 qemu_opt_get(opts, "mount_tag"));
3554 exit(1);
3555 }
3556
3557 writeout = qemu_opt_get(opts, "writeout");
3558 if (writeout) {
3559 #ifdef CONFIG_SYNC_FILE_RANGE
3560 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3561 #else
3562 error_report("writeout=immediate not supported "
3563 "on this platform");
3564 exit(1);
3565 #endif
3566 }
3567 qemu_opt_set(fsdev, "fsdriver",
3568 qemu_opt_get(opts, "fsdriver"), &error_abort);
3569 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3570 &error_abort);
3571 qemu_opt_set(fsdev, "security_model",
3572 qemu_opt_get(opts, "security_model"),
3573 &error_abort);
3574 socket = qemu_opt_get(opts, "socket");
3575 if (socket) {
3576 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3577 }
3578 sock_fd = qemu_opt_get(opts, "sock_fd");
3579 if (sock_fd) {
3580 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3581 }
3582
3583 qemu_opt_set_bool(fsdev, "readonly",
3584 qemu_opt_get_bool(opts, "readonly", 0),
3585 &error_abort);
3586 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3587 &error_abort);
3588 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3589 qemu_opt_set(device, "fsdev",
3590 qemu_opt_get(opts, "mount_tag"), &error_abort);
3591 qemu_opt_set(device, "mount_tag",
3592 qemu_opt_get(opts, "mount_tag"), &error_abort);
3593 break;
3594 }
3595 case QEMU_OPTION_virtfs_synth: {
3596 QemuOpts *fsdev;
3597 QemuOpts *device;
3598
3599 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3600 1, NULL);
3601 if (!fsdev) {
3602 error_report("duplicate option: %s", "virtfs_synth");
3603 exit(1);
3604 }
3605 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3606
3607 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3608 &error_abort);
3609 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3610 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3611 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3612 break;
3613 }
3614 case QEMU_OPTION_serial:
3615 add_device_config(DEV_SERIAL, optarg);
3616 default_serial = 0;
3617 if (strncmp(optarg, "mon:", 4) == 0) {
3618 default_monitor = 0;
3619 }
3620 break;
3621 case QEMU_OPTION_watchdog:
3622 if (watchdog) {
3623 error_report("only one watchdog option may be given");
3624 return 1;
3625 }
3626 watchdog = optarg;
3627 break;
3628 case QEMU_OPTION_watchdog_action:
3629 if (select_watchdog_action(optarg) == -1) {
3630 error_report("unknown -watchdog-action parameter");
3631 exit(1);
3632 }
3633 break;
3634 case QEMU_OPTION_virtiocon:
3635 add_device_config(DEV_VIRTCON, optarg);
3636 default_virtcon = 0;
3637 if (strncmp(optarg, "mon:", 4) == 0) {
3638 default_monitor = 0;
3639 }
3640 break;
3641 case QEMU_OPTION_parallel:
3642 add_device_config(DEV_PARALLEL, optarg);
3643 default_parallel = 0;
3644 if (strncmp(optarg, "mon:", 4) == 0) {
3645 default_monitor = 0;
3646 }
3647 break;
3648 case QEMU_OPTION_debugcon:
3649 add_device_config(DEV_DEBUGCON, optarg);
3650 break;
3651 case QEMU_OPTION_loadvm:
3652 loadvm = optarg;
3653 break;
3654 case QEMU_OPTION_full_screen:
3655 full_screen = 1;
3656 break;
3657 case QEMU_OPTION_no_frame:
3658 no_frame = 1;
3659 break;
3660 case QEMU_OPTION_alt_grab:
3661 alt_grab = 1;
3662 break;
3663 case QEMU_OPTION_ctrl_grab:
3664 ctrl_grab = 1;
3665 break;
3666 case QEMU_OPTION_no_quit:
3667 no_quit = 1;
3668 break;
3669 case QEMU_OPTION_sdl:
3670 #ifdef CONFIG_SDL
3671 display_type = DT_SDL;
3672 break;
3673 #else
3674 error_report("SDL support is disabled");
3675 exit(1);
3676 #endif
3677 case QEMU_OPTION_pidfile:
3678 pid_file = optarg;
3679 break;
3680 case QEMU_OPTION_win2k_hack:
3681 win2k_install_hack = 1;
3682 break;
3683 case QEMU_OPTION_rtc_td_hack: {
3684 static GlobalProperty slew_lost_ticks = {
3685 .driver = "mc146818rtc",
3686 .property = "lost_tick_policy",
3687 .value = "slew",
3688 };
3689
3690 qdev_prop_register_global(&slew_lost_ticks);
3691 break;
3692 }
3693 case QEMU_OPTION_acpitable:
3694 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3695 optarg, true);
3696 if (!opts) {
3697 exit(1);
3698 }
3699 do_acpitable_option(opts);
3700 break;
3701 case QEMU_OPTION_smbios:
3702 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3703 optarg, false);
3704 if (!opts) {
3705 exit(1);
3706 }
3707 do_smbios_option(opts);
3708 break;
3709 case QEMU_OPTION_fwcfg:
3710 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3711 optarg, true);
3712 if (opts == NULL) {
3713 exit(1);
3714 }
3715 break;
3716 case QEMU_OPTION_enable_kvm:
3717 olist = qemu_find_opts("machine");
3718 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3719 break;
3720 case QEMU_OPTION_M:
3721 case QEMU_OPTION_machine:
3722 olist = qemu_find_opts("machine");
3723 opts = qemu_opts_parse_noisily(olist, optarg, true);
3724 if (!opts) {
3725 exit(1);
3726 }
3727 break;
3728 case QEMU_OPTION_no_kvm:
3729 olist = qemu_find_opts("machine");
3730 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3731 break;
3732 case QEMU_OPTION_no_kvm_pit: {
3733 error_report("warning: ignoring deprecated option");
3734 break;
3735 }
3736 case QEMU_OPTION_no_kvm_pit_reinjection: {
3737 static GlobalProperty kvm_pit_lost_tick_policy = {
3738 .driver = "kvm-pit",
3739 .property = "lost_tick_policy",
3740 .value = "discard",
3741 };
3742
3743 error_report("warning: deprecated, replaced by "
3744 "-global kvm-pit.lost_tick_policy=discard");
3745 qdev_prop_register_global(&kvm_pit_lost_tick_policy);
3746 break;
3747 }
3748 case QEMU_OPTION_usb:
3749 olist = qemu_find_opts("machine");
3750 qemu_opts_parse_noisily(olist, "usb=on", false);
3751 break;
3752 case QEMU_OPTION_usbdevice:
3753 olist = qemu_find_opts("machine");
3754 qemu_opts_parse_noisily(olist, "usb=on", false);
3755 add_device_config(DEV_USB, optarg);
3756 break;
3757 case QEMU_OPTION_device:
3758 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3759 optarg, true)) {
3760 exit(1);
3761 }
3762 break;
3763 case QEMU_OPTION_smp:
3764 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3765 optarg, true)) {
3766 exit(1);
3767 }
3768 break;
3769 case QEMU_OPTION_vnc:
3770 vnc_parse(optarg, &error_fatal);
3771 break;
3772 case QEMU_OPTION_no_acpi:
3773 acpi_enabled = 0;
3774 break;
3775 case QEMU_OPTION_no_hpet:
3776 no_hpet = 1;
3777 break;
3778 case QEMU_OPTION_balloon:
3779 if (balloon_parse(optarg) < 0) {
3780 error_report("unknown -balloon argument %s", optarg);
3781 exit(1);
3782 }
3783 break;
3784 case QEMU_OPTION_no_reboot:
3785 no_reboot = 1;
3786 break;
3787 case QEMU_OPTION_no_shutdown:
3788 no_shutdown = 1;
3789 break;
3790 case QEMU_OPTION_show_cursor:
3791 cursor_hide = 0;
3792 break;
3793 case QEMU_OPTION_uuid:
3794 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3795 error_report("failed to parse UUID string: wrong format");
3796 exit(1);
3797 }
3798 qemu_uuid_set = true;
3799 break;
3800 case QEMU_OPTION_option_rom:
3801 if (nb_option_roms >= MAX_OPTION_ROMS) {
3802 error_report("too many option ROMs");
3803 exit(1);
3804 }
3805 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3806 optarg, true);
3807 if (!opts) {
3808 exit(1);
3809 }
3810 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3811 option_rom[nb_option_roms].bootindex =
3812 qemu_opt_get_number(opts, "bootindex", -1);
3813 if (!option_rom[nb_option_roms].name) {
3814 error_report("Option ROM file is not specified");
3815 exit(1);
3816 }
3817 nb_option_roms++;
3818 break;
3819 case QEMU_OPTION_semihosting:
3820 semihosting.enabled = true;
3821 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3822 break;
3823 case QEMU_OPTION_semihosting_config:
3824 semihosting.enabled = true;
3825 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3826 optarg, false);
3827 if (opts != NULL) {
3828 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3829 true);
3830 const char *target = qemu_opt_get(opts, "target");
3831 if (target != NULL) {
3832 if (strcmp("native", target) == 0) {
3833 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3834 } else if (strcmp("gdb", target) == 0) {
3835 semihosting.target = SEMIHOSTING_TARGET_GDB;
3836 } else if (strcmp("auto", target) == 0) {
3837 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3838 } else {
3839 error_report("unsupported semihosting-config %s",
3840 optarg);
3841 exit(1);
3842 }
3843 } else {
3844 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3845 }
3846 /* Set semihosting argument count and vector */
3847 qemu_opt_foreach(opts, add_semihosting_arg,
3848 &semihosting, NULL);
3849 } else {
3850 error_report("unsupported semihosting-config %s", optarg);
3851 exit(1);
3852 }
3853 break;
3854 case QEMU_OPTION_tdf:
3855 error_report("warning: ignoring deprecated option");
3856 break;
3857 case QEMU_OPTION_name:
3858 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3859 optarg, true);
3860 if (!opts) {
3861 exit(1);
3862 }
3863 break;
3864 case QEMU_OPTION_prom_env:
3865 if (nb_prom_envs >= MAX_PROM_ENVS) {
3866 error_report("too many prom variables");
3867 exit(1);
3868 }
3869 prom_envs[nb_prom_envs] = optarg;
3870 nb_prom_envs++;
3871 break;
3872 case QEMU_OPTION_old_param:
3873 old_param = 1;
3874 break;
3875 case QEMU_OPTION_clock:
3876 /* Clock options no longer exist. Keep this option for
3877 * backward compatibility.
3878 */
3879 break;
3880 case QEMU_OPTION_startdate:
3881 configure_rtc_date_offset(optarg, 1);
3882 break;
3883 case QEMU_OPTION_rtc:
3884 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3885 false);
3886 if (!opts) {
3887 exit(1);
3888 }
3889 configure_rtc(opts);
3890 break;
3891 case QEMU_OPTION_tb_size:
3892 tcg_tb_size = strtol(optarg, NULL, 0);
3893 if (tcg_tb_size < 0) {
3894 tcg_tb_size = 0;
3895 }
3896 break;
3897 case QEMU_OPTION_icount:
3898 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3899 optarg, true);
3900 if (!icount_opts) {
3901 exit(1);
3902 }
3903 break;
3904 case QEMU_OPTION_incoming:
3905 if (!incoming) {
3906 runstate_set(RUN_STATE_INMIGRATE);
3907 }
3908 incoming = optarg;
3909 break;
3910 case QEMU_OPTION_nodefaults:
3911 has_defaults = 0;
3912 break;
3913 case QEMU_OPTION_xen_domid:
3914 if (!(xen_available())) {
3915 error_report("Option not supported for this target");
3916 exit(1);
3917 }
3918 xen_domid = atoi(optarg);
3919 break;
3920 case QEMU_OPTION_xen_create:
3921 if (!(xen_available())) {
3922 error_report("Option not supported for this target");
3923 exit(1);
3924 }
3925 xen_mode = XEN_CREATE;
3926 break;
3927 case QEMU_OPTION_xen_attach:
3928 if (!(xen_available())) {
3929 error_report("Option not supported for this target");
3930 exit(1);
3931 }
3932 xen_mode = XEN_ATTACH;
3933 break;
3934 case QEMU_OPTION_trace:
3935 g_free(trace_file);
3936 trace_file = trace_opt_parse(optarg);
3937 break;
3938 case QEMU_OPTION_readconfig:
3939 {
3940 int ret = qemu_read_config_file(optarg);
3941 if (ret < 0) {
3942 error_report("read config %s: %s", optarg,
3943 strerror(-ret));
3944 exit(1);
3945 }
3946 break;
3947 }
3948 case QEMU_OPTION_spice:
3949 olist = qemu_find_opts("spice");
3950 if (!olist) {
3951 error_report("spice support is disabled");
3952 exit(1);
3953 }
3954 opts = qemu_opts_parse_noisily(olist, optarg, false);
3955 if (!opts) {
3956 exit(1);
3957 }
3958 display_remote++;
3959 break;
3960 case QEMU_OPTION_writeconfig:
3961 {
3962 FILE *fp;
3963 if (strcmp(optarg, "-") == 0) {
3964 fp = stdout;
3965 } else {
3966 fp = fopen(optarg, "w");
3967 if (fp == NULL) {
3968 error_report("open %s: %s", optarg,
3969 strerror(errno));
3970 exit(1);
3971 }
3972 }
3973 qemu_config_write(fp);
3974 if (fp != stdout) {
3975 fclose(fp);
3976 }
3977 break;
3978 }
3979 case QEMU_OPTION_qtest:
3980 qtest_chrdev = optarg;
3981 break;
3982 case QEMU_OPTION_qtest_log:
3983 qtest_log = optarg;
3984 break;
3985 case QEMU_OPTION_sandbox:
3986 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3987 optarg, true);
3988 if (!opts) {
3989 exit(1);
3990 }
3991 break;
3992 case QEMU_OPTION_add_fd:
3993 #ifndef _WIN32
3994 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3995 optarg, false);
3996 if (!opts) {
3997 exit(1);
3998 }
3999 #else
4000 error_report("File descriptor passing is disabled on this "
4001 "platform");
4002 exit(1);
4003 #endif
4004 break;
4005 case QEMU_OPTION_object:
4006 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
4007 optarg, true);
4008 if (!opts) {
4009 exit(1);
4010 }
4011 break;
4012 case QEMU_OPTION_realtime:
4013 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
4014 optarg, false);
4015 if (!opts) {
4016 exit(1);
4017 }
4018 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
4019 break;
4020 case QEMU_OPTION_msg:
4021 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
4022 false);
4023 if (!opts) {
4024 exit(1);
4025 }
4026 configure_msg(opts);
4027 break;
4028 case QEMU_OPTION_dump_vmstate:
4029 if (vmstate_dump_file) {
4030 error_report("only one '-dump-vmstate' "
4031 "option may be given");
4032 exit(1);
4033 }
4034 vmstate_dump_file = fopen(optarg, "w");
4035 if (vmstate_dump_file == NULL) {
4036 error_report("open %s: %s", optarg, strerror(errno));
4037 exit(1);
4038 }
4039 break;
4040 default:
4041 os_parse_cmd_args(popt->index, optarg);
4042 }
4043 }
4044 }
4045 /*
4046 * Clear error location left behind by the loop.
4047 * Best done right after the loop. Do not insert code here!
4048 */
4049 loc_set_none();
4050
4051 replay_configure(icount_opts);
4052
4053 machine_class = select_machine();
4054
4055 set_memory_options(&ram_slots, &maxram_size, machine_class);
4056
4057 os_daemonize();
4058
4059 if (qemu_init_main_loop(&main_loop_err)) {
4060 error_report_err(main_loop_err);
4061 exit(1);
4062 }
4063
4064 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4065 parse_sandbox, NULL, NULL)) {
4066 exit(1);
4067 }
4068
4069 if (qemu_opts_foreach(qemu_find_opts("name"),
4070 parse_name, NULL, NULL)) {
4071 exit(1);
4072 }
4073
4074 #ifndef _WIN32
4075 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4076 parse_add_fd, NULL, NULL)) {
4077 exit(1);
4078 }
4079
4080 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4081 cleanup_add_fd, NULL, NULL)) {
4082 exit(1);
4083 }
4084 #endif
4085
4086 current_machine = MACHINE(object_new(object_class_get_name(
4087 OBJECT_CLASS(machine_class))));
4088 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4089 exit(0);
4090 }
4091 object_property_add_child(object_get_root(), "machine",
4092 OBJECT(current_machine), &error_abort);
4093 cpu_exec_init_all();
4094
4095 if (machine_class->hw_version) {
4096 qemu_set_hw_version(machine_class->hw_version);
4097 }
4098
4099 if (cpu_model && is_help_option(cpu_model)) {
4100 list_cpus(stdout, &fprintf, cpu_model);
4101 exit(0);
4102 }
4103
4104 if (!trace_init_backends()) {
4105 exit(1);
4106 }
4107 trace_init_file(trace_file);
4108
4109 /* Open the logfile at this point and set the log mask if necessary.
4110 */
4111 if (log_file) {
4112 qemu_set_log_filename(log_file, &error_fatal);
4113 }
4114
4115 if (log_mask) {
4116 int mask;
4117 mask = qemu_str_to_log_mask(log_mask);
4118 if (!mask) {
4119 qemu_print_log_usage(stdout);
4120 exit(1);
4121 }
4122 qemu_set_log(mask);
4123 } else {
4124 qemu_set_log(0);
4125 }
4126
4127 /* If no data_dir is specified then try to find it relative to the
4128 executable path. */
4129 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4130 data_dir[data_dir_idx] = os_find_datadir();
4131 if (data_dir[data_dir_idx] != NULL) {
4132 data_dir_idx++;
4133 }
4134 }
4135 /* If all else fails use the install path specified when building. */
4136 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4137 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4138 }
4139
4140 /* -L help lists the data directories and exits. */
4141 if (list_data_dirs) {
4142 for (i = 0; i < data_dir_idx; i++) {
4143 printf("%s\n", data_dir[i]);
4144 }
4145 exit(0);
4146 }
4147
4148 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4149
4150 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4151 if (max_cpus > machine_class->max_cpus) {
4152 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4153 "supported by machine '%s' (%d)", max_cpus,
4154 machine_class->name, machine_class->max_cpus);
4155 exit(1);
4156 }
4157
4158 /*
4159 * Get the default machine options from the machine if it is not already
4160 * specified either by the configuration file or by the command line.
4161 */
4162 if (machine_class->default_machine_opts) {
4163 qemu_opts_set_defaults(qemu_find_opts("machine"),
4164 machine_class->default_machine_opts, 0);
4165 }
4166
4167 qemu_opts_foreach(qemu_find_opts("device"),
4168 default_driver_check, NULL, NULL);
4169 qemu_opts_foreach(qemu_find_opts("global"),
4170 default_driver_check, NULL, NULL);
4171
4172 if (!vga_model && !default_vga) {
4173 vga_interface_type = VGA_DEVICE;
4174 }
4175 if (!has_defaults || machine_class->no_serial) {
4176 default_serial = 0;
4177 }
4178 if (!has_defaults || machine_class->no_parallel) {
4179 default_parallel = 0;
4180 }
4181 if (!has_defaults || !machine_class->use_virtcon) {
4182 default_virtcon = 0;
4183 }
4184 if (!has_defaults || !machine_class->use_sclp) {
4185 default_sclp = 0;
4186 }
4187 if (!has_defaults || machine_class->no_floppy) {
4188 default_floppy = 0;
4189 }
4190 if (!has_defaults || machine_class->no_cdrom) {
4191 default_cdrom = 0;
4192 }
4193 if (!has_defaults || machine_class->no_sdcard) {
4194 default_sdcard = 0;
4195 }
4196 if (!has_defaults) {
4197 default_monitor = 0;
4198 default_net = 0;
4199 default_vga = 0;
4200 }
4201
4202 if (is_daemonized()) {
4203 /* According to documentation and historically, -nographic redirects
4204 * serial port, parallel port and monitor to stdio, which does not work
4205 * with -daemonize. We can redirect these to null instead, but since
4206 * -nographic is legacy, let's just error out.
4207 * We disallow -nographic only if all other ports are not redirected
4208 * explicitly, to not break existing legacy setups which uses
4209 * -nographic _and_ redirects all ports explicitly - this is valid
4210 * usage, -nographic is just a no-op in this case.
4211 */
4212 if (nographic
4213 && (default_parallel || default_serial
4214 || default_monitor || default_virtcon)) {
4215 error_report("-nographic cannot be used with -daemonize");
4216 exit(1);
4217 }
4218 #ifdef CONFIG_CURSES
4219 if (display_type == DT_CURSES) {
4220 error_report("curses display cannot be used with -daemonize");
4221 exit(1);
4222 }
4223 #endif
4224 }
4225
4226 if (nographic) {
4227 if (default_parallel)
4228 add_device_config(DEV_PARALLEL, "null");
4229 if (default_serial && default_monitor) {
4230 add_device_config(DEV_SERIAL, "mon:stdio");
4231 } else if (default_virtcon && default_monitor) {
4232 add_device_config(DEV_VIRTCON, "mon:stdio");
4233 } else if (default_sclp && default_monitor) {
4234 add_device_config(DEV_SCLP, "mon:stdio");
4235 } else {
4236 if (default_serial)
4237 add_device_config(DEV_SERIAL, "stdio");
4238 if (default_virtcon)
4239 add_device_config(DEV_VIRTCON, "stdio");
4240 if (default_sclp) {
4241 add_device_config(DEV_SCLP, "stdio");
4242 }
4243 if (default_monitor)
4244 monitor_parse("stdio", "readline", false);
4245 }
4246 } else {
4247 if (default_serial)
4248 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4249 if (default_parallel)
4250 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4251 if (default_monitor)
4252 monitor_parse("vc:80Cx24C", "readline", false);
4253 if (default_virtcon)
4254 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4255 if (default_sclp) {
4256 add_device_config(DEV_SCLP, "vc:80Cx24C");
4257 }
4258 }
4259
4260 #if defined(CONFIG_VNC)
4261 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4262 display_remote++;
4263 }
4264 #endif
4265 if (display_type == DT_DEFAULT && !display_remote) {
4266 #if defined(CONFIG_GTK)
4267 display_type = DT_GTK;
4268 #elif defined(CONFIG_SDL)
4269 display_type = DT_SDL;
4270 #elif defined(CONFIG_COCOA)
4271 display_type = DT_COCOA;
4272 #elif defined(CONFIG_VNC)
4273 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4274 #else
4275 display_type = DT_NONE;
4276 #endif
4277 }
4278
4279 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4280 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4281 "for SDL, ignoring option");
4282 }
4283 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4284 error_report("-no-quit is only valid for GTK and SDL, "
4285 "ignoring option");
4286 }
4287
4288 if (display_type == DT_GTK) {
4289 early_gtk_display_init(request_opengl);
4290 }
4291
4292 if (display_type == DT_SDL) {
4293 sdl_display_early_init(request_opengl);
4294 }
4295
4296 if (request_opengl == 1 && display_opengl == 0) {
4297 #if defined(CONFIG_OPENGL)
4298 error_report("OpenGL is not supported by the display");
4299 #else
4300 error_report("OpenGL support is disabled");
4301 #endif
4302 exit(1);
4303 }
4304
4305 page_size_init();
4306 socket_init();
4307
4308 if (qemu_opts_foreach(qemu_find_opts("object"),
4309 user_creatable_add_opts_foreach,
4310 object_create_initial, NULL)) {
4311 exit(1);
4312 }
4313
4314 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4315 chardev_init_func, NULL, NULL)) {
4316 exit(1);
4317 }
4318
4319 #ifdef CONFIG_VIRTFS
4320 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4321 fsdev_init_func, NULL, NULL)) {
4322 exit(1);
4323 }
4324 #endif
4325
4326 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4327 error_report("could not acquire pid file: %s", strerror(errno));
4328 exit(1);
4329 }
4330
4331 if (qemu_opts_foreach(qemu_find_opts("device"),
4332 device_help_func, NULL, NULL)) {
4333 exit(0);
4334 }
4335
4336 machine_opts = qemu_get_machine_opts();
4337 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4338 NULL)) {
4339 object_unref(OBJECT(current_machine));
4340 exit(1);
4341 }
4342
4343 configure_accelerator(current_machine);
4344
4345 if (qtest_chrdev) {
4346 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4347 }
4348
4349 machine_opts = qemu_get_machine_opts();
4350 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4351 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4352 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4353 bios_name = qemu_opt_get(machine_opts, "firmware");
4354
4355 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4356 if (opts) {
4357 boot_order = qemu_opt_get(opts, "order");
4358 if (boot_order) {
4359 validate_bootdevices(boot_order, &error_fatal);
4360 }
4361
4362 boot_once = qemu_opt_get(opts, "once");
4363 if (boot_once) {
4364 validate_bootdevices(boot_once, &error_fatal);
4365 }
4366
4367 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4368 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4369 }
4370
4371 if (!boot_order) {
4372 boot_order = machine_class->default_boot_order;
4373 }
4374
4375 if (!kernel_cmdline) {
4376 kernel_cmdline = "";
4377 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4378 }
4379
4380 linux_boot = (kernel_filename != NULL);
4381
4382 if (!linux_boot && *kernel_cmdline != '\0') {
4383 error_report("-append only allowed with -kernel option");
4384 exit(1);
4385 }
4386
4387 if (!linux_boot && initrd_filename != NULL) {
4388 error_report("-initrd only allowed with -kernel option");
4389 exit(1);
4390 }
4391
4392 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4393 error_report("-dtb only allowed with -kernel option");
4394 exit(1);
4395 }
4396
4397 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4398 /* fall back to the -kernel/-append */
4399 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4400 }
4401
4402 os_set_line_buffering();
4403
4404 /* spice needs the timers to be initialized by this point */
4405 qemu_spice_init();
4406
4407 cpu_ticks_init();
4408 if (icount_opts) {
4409 if (kvm_enabled() || xen_enabled()) {
4410 error_report("-icount is not allowed with kvm or xen");
4411 exit(1);
4412 }
4413 configure_icount(icount_opts, &error_abort);
4414 qemu_opts_del(icount_opts);
4415 }
4416
4417 if (default_net) {
4418 QemuOptsList *net = qemu_find_opts("net");
4419 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4420 #ifdef CONFIG_SLIRP
4421 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4422 #endif
4423 }
4424
4425 if (net_init_clients() < 0) {
4426 exit(1);
4427 }
4428
4429 if (qemu_opts_foreach(qemu_find_opts("object"),
4430 user_creatable_add_opts_foreach,
4431 object_create_delayed, NULL)) {
4432 exit(1);
4433 }
4434
4435 #ifdef CONFIG_TPM
4436 if (tpm_init() < 0) {
4437 exit(1);
4438 }
4439 #endif
4440
4441 /* init the bluetooth world */
4442 if (foreach_device_config(DEV_BT, bt_parse))
4443 exit(1);
4444
4445 if (!xen_enabled()) {
4446 /* On 32-bit hosts, QEMU is limited by virtual address space */
4447 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4448 error_report("at most 2047 MB RAM can be simulated");
4449 exit(1);
4450 }
4451 }
4452
4453 blk_mig_init();
4454 ram_mig_init();
4455
4456 /* If the currently selected machine wishes to override the units-per-bus
4457 * property of its default HBA interface type, do so now. */
4458 if (machine_class->units_per_default_bus) {
4459 override_max_devs(machine_class->block_default_type,
4460 machine_class->units_per_default_bus);
4461 }
4462
4463 /* open the virtual block devices */
4464 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4465 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4466 NULL, NULL);
4467 }
4468 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4469 &machine_class->block_default_type, NULL)) {
4470 exit(1);
4471 }
4472
4473 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4474 CDROM_OPTS);
4475 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4476 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4477
4478 parse_numa_opts(machine_class);
4479
4480 if (qemu_opts_foreach(qemu_find_opts("mon"),
4481 mon_init_func, NULL, NULL)) {
4482 exit(1);
4483 }
4484
4485 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4486 exit(1);
4487 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4488 exit(1);
4489 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4490 exit(1);
4491 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4492 exit(1);
4493 }
4494 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4495 exit(1);
4496
4497 /* If no default VGA is requested, the default is "none". */
4498 if (default_vga) {
4499 if (machine_class->default_display) {
4500 vga_model = machine_class->default_display;
4501 } else if (vga_interface_available(VGA_CIRRUS)) {
4502 vga_model = "cirrus";
4503 } else if (vga_interface_available(VGA_STD)) {
4504 vga_model = "std";
4505 }
4506 }
4507 if (vga_model) {
4508 select_vgahw(vga_model);
4509 }
4510
4511 if (watchdog) {
4512 i = select_watchdog(watchdog);
4513 if (i > 0)
4514 exit (i == 1 ? 1 : 0);
4515 }
4516
4517 machine_register_compat_props(current_machine);
4518
4519 qemu_opts_foreach(qemu_find_opts("global"),
4520 global_init_func, NULL, NULL);
4521
4522 /* This checkpoint is required by replay to separate prior clock
4523 reading from the other reads, because timer polling functions query
4524 clock values from the log. */
4525 replay_checkpoint(CHECKPOINT_INIT);
4526 qdev_machine_init();
4527
4528 current_machine->ram_size = ram_size;
4529 current_machine->maxram_size = maxram_size;
4530 current_machine->ram_slots = ram_slots;
4531 current_machine->boot_order = boot_order;
4532 current_machine->cpu_model = cpu_model;
4533
4534 machine_class->init(current_machine);
4535
4536 realtime_init();
4537
4538 audio_init();
4539
4540 cpu_synchronize_all_post_init();
4541
4542 numa_post_machine_init();
4543
4544 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4545 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4546 exit(1);
4547 }
4548
4549 /* init USB devices */
4550 if (machine_usb(current_machine)) {
4551 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4552 exit(1);
4553 }
4554
4555 /* Check if IGD GFX passthrough. */
4556 igd_gfx_passthru();
4557
4558 /* init generic devices */
4559 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4560 if (qemu_opts_foreach(qemu_find_opts("device"),
4561 device_init_func, NULL, NULL)) {
4562 exit(1);
4563 }
4564 rom_reset_order_override();
4565
4566 /* Did we create any drives that we failed to create a device for? */
4567 drive_check_orphaned();
4568
4569 /* Don't warn about the default network setup that you get if
4570 * no command line -net or -netdev options are specified. There
4571 * are two cases that we would otherwise complain about:
4572 * (1) board doesn't support a NIC but the implicit "-net nic"
4573 * requested one
4574 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4575 * sets up a nic that isn't connected to anything.
4576 */
4577 if (!default_net) {
4578 net_check_clients();
4579 }
4580
4581
4582 if (boot_once) {
4583 qemu_boot_set(boot_once, &error_fatal);
4584 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4585 }
4586
4587 ds = init_displaystate();
4588
4589 /* init local displays */
4590 switch (display_type) {
4591 case DT_CURSES:
4592 curses_display_init(ds, full_screen);
4593 break;
4594 case DT_SDL:
4595 sdl_display_init(ds, full_screen, no_frame);
4596 break;
4597 case DT_COCOA:
4598 cocoa_display_init(ds, full_screen);
4599 break;
4600 case DT_GTK:
4601 gtk_display_init(ds, full_screen, grab_on_hover);
4602 break;
4603 default:
4604 break;
4605 }
4606
4607 /* must be after terminal init, SDL library changes signal handlers */
4608 os_setup_signal_handling();
4609
4610 /* init remote displays */
4611 #ifdef CONFIG_VNC
4612 qemu_opts_foreach(qemu_find_opts("vnc"),
4613 vnc_init_func, NULL, NULL);
4614 #endif
4615
4616 if (using_spice) {
4617 qemu_spice_display_init();
4618 }
4619
4620 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4621 exit(1);
4622 }
4623
4624 qdev_machine_creation_done();
4625
4626 /* TODO: once all bus devices are qdevified, this should be done
4627 * when bus is created by qdev.c */
4628 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4629 qemu_run_machine_init_done_notifiers();
4630
4631 if (rom_check_and_register_reset() != 0) {
4632 error_report("rom check and register reset failed");
4633 exit(1);
4634 }
4635
4636 replay_start();
4637
4638 /* This checkpoint is required by replay to separate prior clock
4639 reading from the other reads, because timer polling functions query
4640 clock values from the log. */
4641 replay_checkpoint(CHECKPOINT_RESET);
4642 qemu_system_reset(VMRESET_SILENT);
4643 register_global_state();
4644 if (loadvm) {
4645 if (load_vmstate(loadvm) < 0) {
4646 autostart = 0;
4647 }
4648 }
4649
4650 qdev_prop_check_globals();
4651 if (vmstate_dump_file) {
4652 /* dump and exit */
4653 dump_vmstate_json_to_file(vmstate_dump_file);
4654 return 0;
4655 }
4656
4657 if (incoming) {
4658 Error *local_err = NULL;
4659 qemu_start_incoming_migration(incoming, &local_err);
4660 if (local_err) {
4661 error_reportf_err(local_err, "-incoming %s: ", incoming);
4662 exit(1);
4663 }
4664 } else if (autostart) {
4665 vm_start();
4666 }
4667
4668 os_setup_post();
4669
4670 main_loop();
4671 replay_disable_events();
4672 iothread_stop_all();
4673
4674 bdrv_close_all();
4675 pause_all_vcpus();
4676 res_free();
4677
4678 /* vhost-user must be cleaned up before chardevs. */
4679 net_cleanup();
4680 audio_cleanup();
4681 monitor_cleanup();
4682 qemu_chr_cleanup();
4683
4684 return 0;
4685 }
Random patches