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move public invalidate APIs out of translate-all.{c,h}, clean up
[qemu/ar7.git] / vl.c
blobd26f19b06de076d4b686f1cce06f95181d4a2907
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
25 #include "qemu/osdep.h"
26 #include "qapi/error.h"
27 #include "qemu-version.h"
28 #include "qemu/cutils.h"
29 #include "qemu/help_option.h"
30 #include "qemu/uuid.h"
31 #include "sysemu/seccomp.h"
32
33 #ifdef CONFIG_SDL
34 #if defined(__APPLE__) || defined(main)
35 #include <SDL.h>
36 int qemu_main(int argc, char **argv, char **envp);
37 int main(int argc, char **argv)
38 {
39 return qemu_main(argc, argv, NULL);
40 }
41 #undef main
42 #define main qemu_main
43 #endif
44 #endif /* CONFIG_SDL */
45
46 #ifdef CONFIG_COCOA
47 #undef main
48 #define main qemu_main
49 #endif /* CONFIG_COCOA */
50
51
52 #include "qemu/error-report.h"
53 #include "qemu/sockets.h"
54 #include "hw/hw.h"
55 #include "hw/boards.h"
56 #include "sysemu/accel.h"
57 #include "hw/usb.h"
58 #include "hw/isa/isa.h"
59 #include "hw/scsi/scsi.h"
60 #include "hw/display/vga.h"
61 #include "hw/bt.h"
62 #include "sysemu/watchdog.h"
63 #include "hw/smbios/smbios.h"
64 #include "hw/acpi/acpi.h"
65 #include "hw/xen/xen.h"
66 #include "hw/qdev.h"
67 #include "hw/loader.h"
68 #include "monitor/qdev.h"
69 #include "sysemu/bt.h"
70 #include "net/net.h"
71 #include "net/slirp.h"
72 #include "monitor/monitor.h"
73 #include "ui/console.h"
74 #include "ui/input.h"
75 #include "sysemu/sysemu.h"
76 #include "sysemu/numa.h"
77 #include "exec/gdbstub.h"
78 #include "qemu/timer.h"
79 #include "chardev/char.h"
80 #include "qemu/bitmap.h"
81 #include "qemu/log.h"
82 #include "sysemu/blockdev.h"
83 #include "hw/block/block.h"
84 #include "migration/misc.h"
85 #include "migration/snapshot.h"
86 #include "migration/global_state.h"
87 #include "sysemu/tpm.h"
88 #include "sysemu/dma.h"
89 #include "hw/audio/soundhw.h"
90 #include "audio/audio.h"
91 #include "sysemu/cpus.h"
92 #include "migration/colo.h"
93 #include "migration/postcopy-ram.h"
94 #include "sysemu/kvm.h"
95 #include "sysemu/hax.h"
96 #include "qapi/qobject-input-visitor.h"
97 #include "qemu/option.h"
98 #include "qemu/config-file.h"
99 #include "qemu-options.h"
100 #include "qemu/main-loop.h"
101 #ifdef CONFIG_VIRTFS
102 #include "fsdev/qemu-fsdev.h"
103 #endif
104 #include "sysemu/qtest.h"
105
106 #include "disas/disas.h"
107
108
109 #include "slirp/libslirp.h"
110
111 #include "trace-root.h"
112 #include "trace/control.h"
113 #include "qemu/queue.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 "qapi/clone-visitor.h"
120 #include "qom/object_interfaces.h"
121 #include "exec/semihost.h"
122 #include "crypto/init.h"
123 #include "sysemu/replay.h"
124 #include "qapi/qapi-events-run-state.h"
125 #include "qapi/qapi-visit-block-core.h"
126 #include "qapi/qapi-visit-ui.h"
127 #include "qapi/qapi-commands-block-core.h"
128 #include "qapi/qapi-commands-misc.h"
129 #include "qapi/qapi-commands-run-state.h"
130 #include "qapi/qmp/qerror.h"
131 #include "sysemu/iothread.h"
132
133 #define MAX_VIRTIO_CONSOLES 1
134
135 static const char *data_dir[16];
136 static int data_dir_idx;
137 const char *bios_name = NULL;
138 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
139 int display_opengl;
140 const char* keyboard_layout = NULL;
141 ram_addr_t ram_size;
142 const char *mem_path = NULL;
143 int mem_prealloc = 0; /* force preallocation of physical target memory */
144 bool enable_mlock = false;
145 int nb_nics;
146 NICInfo nd_table[MAX_NICS];
147 int autostart;
148 static int rtc_utc = 1;
149 static int rtc_date_offset = -1; /* -1 means no change */
150 QEMUClockType rtc_clock;
151 int vga_interface_type = VGA_NONE;
152 static DisplayOptions dpy;
153 int no_frame;
154 static int num_serial_hds;
155 static Chardev **serial_hds;
156 Chardev *parallel_hds[MAX_PARALLEL_PORTS];
157 Chardev *virtcon_hds[MAX_VIRTIO_CONSOLES];
158 int win2k_install_hack = 0;
159 int singlestep = 0;
160 int smp_cpus;
161 unsigned int max_cpus;
162 int smp_cores = 1;
163 int smp_threads = 1;
164 int acpi_enabled = 1;
165 int no_hpet = 0;
166 int fd_bootchk = 1;
167 static int no_reboot;
168 int no_shutdown = 0;
169 int cursor_hide = 1;
170 int graphic_rotate = 0;
171 const char *watchdog;
172 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
173 int nb_option_roms;
174 int old_param = 0;
175 const char *qemu_name;
176 int alt_grab = 0;
177 int ctrl_grab = 0;
178 unsigned int nb_prom_envs = 0;
179 const char *prom_envs[MAX_PROM_ENVS];
180 int boot_menu;
181 bool boot_strict;
182 uint8_t *boot_splash_filedata;
183 size_t boot_splash_filedata_size;
184 uint8_t qemu_extra_params_fw[2];
185
186 int icount_align_option;
187
188 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
189 * little-endian "wire format" described in the SMBIOS 2.6 specification.
190 */
191 QemuUUID qemu_uuid;
192 bool qemu_uuid_set;
193
194 static NotifierList exit_notifiers =
195 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
196
197 static NotifierList machine_init_done_notifiers =
198 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
199
200 bool xen_allowed;
201 uint32_t xen_domid;
202 enum xen_mode xen_mode = XEN_EMULATE;
203 bool xen_domid_restrict;
204
205 static int has_defaults = 1;
206 static int default_serial = 1;
207 static int default_parallel = 1;
208 static int default_virtcon = 1;
209 static int default_monitor = 1;
210 static int default_floppy = 1;
211 static int default_cdrom = 1;
212 static int default_sdcard = 1;
213 static int default_vga = 1;
214 static int default_net = 1;
215
216 static struct {
217 const char *driver;
218 int *flag;
219 } default_list[] = {
220 { .driver = "isa-serial", .flag = &default_serial },
221 { .driver = "isa-parallel", .flag = &default_parallel },
222 { .driver = "isa-fdc", .flag = &default_floppy },
223 { .driver = "floppy", .flag = &default_floppy },
224 { .driver = "ide-cd", .flag = &default_cdrom },
225 { .driver = "ide-hd", .flag = &default_cdrom },
226 { .driver = "ide-drive", .flag = &default_cdrom },
227 { .driver = "scsi-cd", .flag = &default_cdrom },
228 { .driver = "scsi-hd", .flag = &default_cdrom },
229 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
230 { .driver = "virtio-serial", .flag = &default_virtcon },
231 { .driver = "VGA", .flag = &default_vga },
232 { .driver = "isa-vga", .flag = &default_vga },
233 { .driver = "cirrus-vga", .flag = &default_vga },
234 { .driver = "isa-cirrus-vga", .flag = &default_vga },
235 { .driver = "vmware-svga", .flag = &default_vga },
236 { .driver = "qxl-vga", .flag = &default_vga },
237 { .driver = "virtio-vga", .flag = &default_vga },
238 };
239
240 static QemuOptsList qemu_rtc_opts = {
241 .name = "rtc",
242 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
243 .desc = {
244 {
245 .name = "base",
246 .type = QEMU_OPT_STRING,
247 },{
248 .name = "clock",
249 .type = QEMU_OPT_STRING,
250 },{
251 .name = "driftfix",
252 .type = QEMU_OPT_STRING,
253 },
254 { /* end of list */ }
255 },
256 };
257
258 static QemuOptsList qemu_option_rom_opts = {
259 .name = "option-rom",
260 .implied_opt_name = "romfile",
261 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
262 .desc = {
263 {
264 .name = "bootindex",
265 .type = QEMU_OPT_NUMBER,
266 }, {
267 .name = "romfile",
268 .type = QEMU_OPT_STRING,
269 },
270 { /* end of list */ }
271 },
272 };
273
274 static QemuOptsList qemu_machine_opts = {
275 .name = "machine",
276 .implied_opt_name = "type",
277 .merge_lists = true,
278 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
279 .desc = {
280 /*
281 * no elements => accept any
282 * sanity checking will happen later
283 * when setting machine properties
284 */
285 { }
286 },
287 };
288
289 static QemuOptsList qemu_accel_opts = {
290 .name = "accel",
291 .implied_opt_name = "accel",
292 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
293 .merge_lists = true,
294 .desc = {
295 {
296 .name = "accel",
297 .type = QEMU_OPT_STRING,
298 .help = "Select the type of accelerator",
299 },
300 {
301 .name = "thread",
302 .type = QEMU_OPT_STRING,
303 .help = "Enable/disable multi-threaded TCG",
304 },
305 { /* end of list */ }
306 },
307 };
308
309 static QemuOptsList qemu_boot_opts = {
310 .name = "boot-opts",
311 .implied_opt_name = "order",
312 .merge_lists = true,
313 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
314 .desc = {
315 {
316 .name = "order",
317 .type = QEMU_OPT_STRING,
318 }, {
319 .name = "once",
320 .type = QEMU_OPT_STRING,
321 }, {
322 .name = "menu",
323 .type = QEMU_OPT_BOOL,
324 }, {
325 .name = "splash",
326 .type = QEMU_OPT_STRING,
327 }, {
328 .name = "splash-time",
329 .type = QEMU_OPT_STRING,
330 }, {
331 .name = "reboot-timeout",
332 .type = QEMU_OPT_STRING,
333 }, {
334 .name = "strict",
335 .type = QEMU_OPT_BOOL,
336 },
337 { /*End of list */ }
338 },
339 };
340
341 static QemuOptsList qemu_add_fd_opts = {
342 .name = "add-fd",
343 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
344 .desc = {
345 {
346 .name = "fd",
347 .type = QEMU_OPT_NUMBER,
348 .help = "file descriptor of which a duplicate is added to fd set",
349 },{
350 .name = "set",
351 .type = QEMU_OPT_NUMBER,
352 .help = "ID of the fd set to add fd to",
353 },{
354 .name = "opaque",
355 .type = QEMU_OPT_STRING,
356 .help = "free-form string used to describe fd",
357 },
358 { /* end of list */ }
359 },
360 };
361
362 static QemuOptsList qemu_object_opts = {
363 .name = "object",
364 .implied_opt_name = "qom-type",
365 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
366 .desc = {
367 { }
368 },
369 };
370
371 static QemuOptsList qemu_tpmdev_opts = {
372 .name = "tpmdev",
373 .implied_opt_name = "type",
374 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
375 .desc = {
376 /* options are defined in the TPM backends */
377 { /* end of list */ }
378 },
379 };
380
381 static QemuOptsList qemu_realtime_opts = {
382 .name = "realtime",
383 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
384 .desc = {
385 {
386 .name = "mlock",
387 .type = QEMU_OPT_BOOL,
388 },
389 { /* end of list */ }
390 },
391 };
392
393 static QemuOptsList qemu_msg_opts = {
394 .name = "msg",
395 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
396 .desc = {
397 {
398 .name = "timestamp",
399 .type = QEMU_OPT_BOOL,
400 },
401 { /* end of list */ }
402 },
403 };
404
405 static QemuOptsList qemu_name_opts = {
406 .name = "name",
407 .implied_opt_name = "guest",
408 .merge_lists = true,
409 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
410 .desc = {
411 {
412 .name = "guest",
413 .type = QEMU_OPT_STRING,
414 .help = "Sets the name of the guest.\n"
415 "This name will be displayed in the SDL window caption.\n"
416 "The name will also be used for the VNC server",
417 }, {
418 .name = "process",
419 .type = QEMU_OPT_STRING,
420 .help = "Sets the name of the QEMU process, as shown in top etc",
421 }, {
422 .name = "debug-threads",
423 .type = QEMU_OPT_BOOL,
424 .help = "When enabled, name the individual threads; defaults off.\n"
425 "NOTE: The thread names are for debugging and not a\n"
426 "stable API.",
427 },
428 { /* End of list */ }
429 },
430 };
431
432 static QemuOptsList qemu_mem_opts = {
433 .name = "memory",
434 .implied_opt_name = "size",
435 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
436 .merge_lists = true,
437 .desc = {
438 {
439 .name = "size",
440 .type = QEMU_OPT_SIZE,
441 },
442 {
443 .name = "slots",
444 .type = QEMU_OPT_NUMBER,
445 },
446 {
447 .name = "maxmem",
448 .type = QEMU_OPT_SIZE,
449 },
450 { /* end of list */ }
451 },
452 };
453
454 static QemuOptsList qemu_icount_opts = {
455 .name = "icount",
456 .implied_opt_name = "shift",
457 .merge_lists = true,
458 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
459 .desc = {
460 {
461 .name = "shift",
462 .type = QEMU_OPT_STRING,
463 }, {
464 .name = "align",
465 .type = QEMU_OPT_BOOL,
466 }, {
467 .name = "sleep",
468 .type = QEMU_OPT_BOOL,
469 }, {
470 .name = "rr",
471 .type = QEMU_OPT_STRING,
472 }, {
473 .name = "rrfile",
474 .type = QEMU_OPT_STRING,
475 }, {
476 .name = "rrsnapshot",
477 .type = QEMU_OPT_STRING,
478 },
479 { /* end of list */ }
480 },
481 };
482
483 static QemuOptsList qemu_semihosting_config_opts = {
484 .name = "semihosting-config",
485 .implied_opt_name = "enable",
486 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
487 .desc = {
488 {
489 .name = "enable",
490 .type = QEMU_OPT_BOOL,
491 }, {
492 .name = "target",
493 .type = QEMU_OPT_STRING,
494 }, {
495 .name = "arg",
496 .type = QEMU_OPT_STRING,
497 },
498 { /* end of list */ }
499 },
500 };
501
502 static QemuOptsList qemu_fw_cfg_opts = {
503 .name = "fw_cfg",
504 .implied_opt_name = "name",
505 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
506 .desc = {
507 {
508 .name = "name",
509 .type = QEMU_OPT_STRING,
510 .help = "Sets the fw_cfg name of the blob to be inserted",
511 }, {
512 .name = "file",
513 .type = QEMU_OPT_STRING,
514 .help = "Sets the name of the file from which\n"
515 "the fw_cfg blob will be loaded",
516 }, {
517 .name = "string",
518 .type = QEMU_OPT_STRING,
519 .help = "Sets content of the blob to be inserted from a string",
520 },
521 { /* end of list */ }
522 },
523 };
524
525 /**
526 * Get machine options
527 *
528 * Returns: machine options (never null).
529 */
530 QemuOpts *qemu_get_machine_opts(void)
531 {
532 return qemu_find_opts_singleton("machine");
533 }
534
535 const char *qemu_get_vm_name(void)
536 {
537 return qemu_name;
538 }
539
540 static void res_free(void)
541 {
542 g_free(boot_splash_filedata);
543 boot_splash_filedata = NULL;
544 }
545
546 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
547 {
548 const char *driver = qemu_opt_get(opts, "driver");
549 int i;
550
551 if (!driver)
552 return 0;
553 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
554 if (strcmp(default_list[i].driver, driver) != 0)
555 continue;
556 *(default_list[i].flag) = 0;
557 }
558 return 0;
559 }
560
561 /***********************************************************/
562 /* QEMU state */
563
564 static RunState current_run_state = RUN_STATE_PRECONFIG;
565
566 /* We use RUN_STATE__MAX but any invalid value will do */
567 static RunState vmstop_requested = RUN_STATE__MAX;
568 static QemuMutex vmstop_lock;
569
570 typedef struct {
571 RunState from;
572 RunState to;
573 } RunStateTransition;
574
575 static const RunStateTransition runstate_transitions_def[] = {
576 /* from -> to */
577 { RUN_STATE_PRECONFIG, RUN_STATE_PRELAUNCH },
578 /* Early switch to inmigrate state to allow -incoming CLI option work
579 * as it used to. TODO: delay actual switching to inmigrate state to
580 * the point after machine is built and remove this hack.
581 */
582 { RUN_STATE_PRECONFIG, RUN_STATE_INMIGRATE },
583
584 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
585 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
586 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
587
588 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
589 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
590 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
591 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
592 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
593 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
594 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
595 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
596 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
597 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
598 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
599 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
600
601 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
602 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
603 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
604
605 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
606 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
607 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
608
609 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
610 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
611 { RUN_STATE_PAUSED, RUN_STATE_POSTMIGRATE },
612 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
613 { RUN_STATE_PAUSED, RUN_STATE_COLO},
614
615 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
616 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
617 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
618
619 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
620 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
621 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
622
623 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
624 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PAUSED },
625 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
626 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
627 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
628
629 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
630 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
631
632 { RUN_STATE_COLO, RUN_STATE_RUNNING },
633
634 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
635 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
636 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
637 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
638 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
639 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
640 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
641 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
642 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
643 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
644 { RUN_STATE_RUNNING, RUN_STATE_COLO},
645
646 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
647
648 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
649 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
650 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
651
652 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
653 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
654 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
655 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
656 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
657 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
658
659 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
660 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
661 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
662 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
663
664 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
665 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
666 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
667
668 { RUN_STATE__MAX, RUN_STATE__MAX },
669 };
670
671 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
672
673 bool runstate_check(RunState state)
674 {
675 return current_run_state == state;
676 }
677
678 bool runstate_store(char *str, size_t size)
679 {
680 const char *state = RunState_str(current_run_state);
681 size_t len = strlen(state) + 1;
682
683 if (len > size) {
684 return false;
685 }
686 memcpy(str, state, len);
687 return true;
688 }
689
690 static void runstate_init(void)
691 {
692 const RunStateTransition *p;
693
694 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
695 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
696 runstate_valid_transitions[p->from][p->to] = true;
697 }
698
699 qemu_mutex_init(&vmstop_lock);
700 }
701
702 /* This function will abort() on invalid state transitions */
703 void runstate_set(RunState new_state)
704 {
705 assert(new_state < RUN_STATE__MAX);
706
707 if (current_run_state == new_state) {
708 return;
709 }
710
711 if (!runstate_valid_transitions[current_run_state][new_state]) {
712 error_report("invalid runstate transition: '%s' -> '%s'",
713 RunState_str(current_run_state),
714 RunState_str(new_state));
715 abort();
716 }
717 trace_runstate_set(new_state);
718 current_run_state = new_state;
719 }
720
721 int runstate_is_running(void)
722 {
723 return runstate_check(RUN_STATE_RUNNING);
724 }
725
726 bool runstate_needs_reset(void)
727 {
728 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
729 runstate_check(RUN_STATE_SHUTDOWN);
730 }
731
732 StatusInfo *qmp_query_status(Error **errp)
733 {
734 StatusInfo *info = g_malloc0(sizeof(*info));
735
736 info->running = runstate_is_running();
737 info->singlestep = singlestep;
738 info->status = current_run_state;
739
740 return info;
741 }
742
743 bool qemu_vmstop_requested(RunState *r)
744 {
745 qemu_mutex_lock(&vmstop_lock);
746 *r = vmstop_requested;
747 vmstop_requested = RUN_STATE__MAX;
748 qemu_mutex_unlock(&vmstop_lock);
749 return *r < RUN_STATE__MAX;
750 }
751
752 void qemu_system_vmstop_request_prepare(void)
753 {
754 qemu_mutex_lock(&vmstop_lock);
755 }
756
757 void qemu_system_vmstop_request(RunState state)
758 {
759 vmstop_requested = state;
760 qemu_mutex_unlock(&vmstop_lock);
761 qemu_notify_event();
762 }
763
764 /***********************************************************/
765 /* real time host monotonic timer */
766
767 static time_t qemu_time(void)
768 {
769 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
770 }
771
772 /***********************************************************/
773 /* host time/date access */
774 void qemu_get_timedate(struct tm *tm, int offset)
775 {
776 time_t ti = qemu_time();
777
778 ti += offset;
779 if (rtc_date_offset == -1) {
780 if (rtc_utc)
781 gmtime_r(&ti, tm);
782 else
783 localtime_r(&ti, tm);
784 } else {
785 ti -= rtc_date_offset;
786 gmtime_r(&ti, tm);
787 }
788 }
789
790 int qemu_timedate_diff(struct tm *tm)
791 {
792 time_t seconds;
793
794 if (rtc_date_offset == -1)
795 if (rtc_utc)
796 seconds = mktimegm(tm);
797 else {
798 struct tm tmp = *tm;
799 tmp.tm_isdst = -1; /* use timezone to figure it out */
800 seconds = mktime(&tmp);
801 }
802 else
803 seconds = mktimegm(tm) + rtc_date_offset;
804
805 return seconds - qemu_time();
806 }
807
808 static void configure_rtc_date_offset(const char *startdate, int legacy)
809 {
810 time_t rtc_start_date;
811 struct tm tm;
812
813 if (!strcmp(startdate, "now") && legacy) {
814 rtc_date_offset = -1;
815 } else {
816 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
817 &tm.tm_year,
818 &tm.tm_mon,
819 &tm.tm_mday,
820 &tm.tm_hour,
821 &tm.tm_min,
822 &tm.tm_sec) == 6) {
823 /* OK */
824 } else if (sscanf(startdate, "%d-%d-%d",
825 &tm.tm_year,
826 &tm.tm_mon,
827 &tm.tm_mday) == 3) {
828 tm.tm_hour = 0;
829 tm.tm_min = 0;
830 tm.tm_sec = 0;
831 } else {
832 goto date_fail;
833 }
834 tm.tm_year -= 1900;
835 tm.tm_mon--;
836 rtc_start_date = mktimegm(&tm);
837 if (rtc_start_date == -1) {
838 date_fail:
839 error_report("invalid date format");
840 error_printf("valid formats: "
841 "'2006-06-17T16:01:21' or '2006-06-17'\n");
842 exit(1);
843 }
844 rtc_date_offset = qemu_time() - rtc_start_date;
845 }
846 }
847
848 static void configure_rtc(QemuOpts *opts)
849 {
850 const char *value;
851
852 value = qemu_opt_get(opts, "base");
853 if (value) {
854 if (!strcmp(value, "utc")) {
855 rtc_utc = 1;
856 } else if (!strcmp(value, "localtime")) {
857 Error *blocker = NULL;
858 rtc_utc = 0;
859 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
860 "-rtc base=localtime");
861 replay_add_blocker(blocker);
862 } else {
863 configure_rtc_date_offset(value, 0);
864 }
865 }
866 value = qemu_opt_get(opts, "clock");
867 if (value) {
868 if (!strcmp(value, "host")) {
869 rtc_clock = QEMU_CLOCK_HOST;
870 } else if (!strcmp(value, "rt")) {
871 rtc_clock = QEMU_CLOCK_REALTIME;
872 } else if (!strcmp(value, "vm")) {
873 rtc_clock = QEMU_CLOCK_VIRTUAL;
874 } else {
875 error_report("invalid option value '%s'", value);
876 exit(1);
877 }
878 }
879 value = qemu_opt_get(opts, "driftfix");
880 if (value) {
881 if (!strcmp(value, "slew")) {
882 static GlobalProperty slew_lost_ticks = {
883 .driver = "mc146818rtc",
884 .property = "lost_tick_policy",
885 .value = "slew",
886 };
887
888 qdev_prop_register_global(&slew_lost_ticks);
889 } else if (!strcmp(value, "none")) {
890 /* discard is default */
891 } else {
892 error_report("invalid option value '%s'", value);
893 exit(1);
894 }
895 }
896 }
897
898 /***********************************************************/
899 /* Bluetooth support */
900 static int nb_hcis;
901 static int cur_hci;
902 static struct HCIInfo *hci_table[MAX_NICS];
903
904 struct HCIInfo *qemu_next_hci(void)
905 {
906 if (cur_hci == nb_hcis)
907 return &null_hci;
908
909 return hci_table[cur_hci++];
910 }
911
912 static int bt_hci_parse(const char *str)
913 {
914 struct HCIInfo *hci;
915 bdaddr_t bdaddr;
916
917 if (nb_hcis >= MAX_NICS) {
918 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
919 return -1;
920 }
921
922 hci = hci_init(str);
923 if (!hci)
924 return -1;
925
926 bdaddr.b[0] = 0x52;
927 bdaddr.b[1] = 0x54;
928 bdaddr.b[2] = 0x00;
929 bdaddr.b[3] = 0x12;
930 bdaddr.b[4] = 0x34;
931 bdaddr.b[5] = 0x56 + nb_hcis;
932 hci->bdaddr_set(hci, bdaddr.b);
933
934 hci_table[nb_hcis++] = hci;
935
936 return 0;
937 }
938
939 static void bt_vhci_add(int vlan_id)
940 {
941 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
942
943 if (!vlan->slave)
944 warn_report("adding a VHCI to an empty scatternet %i",
945 vlan_id);
946
947 bt_vhci_init(bt_new_hci(vlan));
948 }
949
950 static struct bt_device_s *bt_device_add(const char *opt)
951 {
952 struct bt_scatternet_s *vlan;
953 int vlan_id = 0;
954 char *endp = strstr(opt, ",vlan=");
955 int len = (endp ? endp - opt : strlen(opt)) + 1;
956 char devname[10];
957
958 pstrcpy(devname, MIN(sizeof(devname), len), opt);
959
960 if (endp) {
961 vlan_id = strtol(endp + 6, &endp, 0);
962 if (*endp) {
963 error_report("unrecognised bluetooth vlan Id");
964 return 0;
965 }
966 }
967
968 vlan = qemu_find_bt_vlan(vlan_id);
969
970 if (!vlan->slave)
971 warn_report("adding a slave device to an empty scatternet %i",
972 vlan_id);
973
974 if (!strcmp(devname, "keyboard"))
975 return bt_keyboard_init(vlan);
976
977 error_report("unsupported bluetooth device '%s'", devname);
978 return 0;
979 }
980
981 static int bt_parse(const char *opt)
982 {
983 const char *endp, *p;
984 int vlan;
985
986 if (strstart(opt, "hci", &endp)) {
987 if (!*endp || *endp == ',') {
988 if (*endp)
989 if (!strstart(endp, ",vlan=", 0))
990 opt = endp + 1;
991
992 return bt_hci_parse(opt);
993 }
994 } else if (strstart(opt, "vhci", &endp)) {
995 if (!*endp || *endp == ',') {
996 if (*endp) {
997 if (strstart(endp, ",vlan=", &p)) {
998 vlan = strtol(p, (char **) &endp, 0);
999 if (*endp) {
1000 error_report("bad scatternet '%s'", p);
1001 return 1;
1002 }
1003 } else {
1004 error_report("bad parameter '%s'", endp + 1);
1005 return 1;
1006 }
1007 } else
1008 vlan = 0;
1009
1010 bt_vhci_add(vlan);
1011 return 0;
1012 }
1013 } else if (strstart(opt, "device:", &endp))
1014 return !bt_device_add(endp);
1015
1016 error_report("bad bluetooth parameter '%s'", opt);
1017 return 1;
1018 }
1019
1020 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1021 {
1022 const char *proc_name;
1023
1024 if (qemu_opt_get(opts, "debug-threads")) {
1025 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1026 }
1027 qemu_name = qemu_opt_get(opts, "guest");
1028
1029 proc_name = qemu_opt_get(opts, "process");
1030 if (proc_name) {
1031 os_set_proc_name(proc_name);
1032 }
1033
1034 return 0;
1035 }
1036
1037 bool defaults_enabled(void)
1038 {
1039 return has_defaults;
1040 }
1041
1042 #ifndef _WIN32
1043 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1044 {
1045 int fd, dupfd, flags;
1046 int64_t fdset_id;
1047 const char *fd_opaque = NULL;
1048 AddfdInfo *fdinfo;
1049
1050 fd = qemu_opt_get_number(opts, "fd", -1);
1051 fdset_id = qemu_opt_get_number(opts, "set", -1);
1052 fd_opaque = qemu_opt_get(opts, "opaque");
1053
1054 if (fd < 0) {
1055 error_report("fd option is required and must be non-negative");
1056 return -1;
1057 }
1058
1059 if (fd <= STDERR_FILENO) {
1060 error_report("fd cannot be a standard I/O stream");
1061 return -1;
1062 }
1063
1064 /*
1065 * All fds inherited across exec() necessarily have FD_CLOEXEC
1066 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1067 */
1068 flags = fcntl(fd, F_GETFD);
1069 if (flags == -1 || (flags & FD_CLOEXEC)) {
1070 error_report("fd is not valid or already in use");
1071 return -1;
1072 }
1073
1074 if (fdset_id < 0) {
1075 error_report("set option is required and must be non-negative");
1076 return -1;
1077 }
1078
1079 #ifdef F_DUPFD_CLOEXEC
1080 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1081 #else
1082 dupfd = dup(fd);
1083 if (dupfd != -1) {
1084 qemu_set_cloexec(dupfd);
1085 }
1086 #endif
1087 if (dupfd == -1) {
1088 error_report("error duplicating fd: %s", strerror(errno));
1089 return -1;
1090 }
1091
1092 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1093 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1094 &error_abort);
1095 g_free(fdinfo);
1096
1097 return 0;
1098 }
1099
1100 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1101 {
1102 int fd;
1103
1104 fd = qemu_opt_get_number(opts, "fd", -1);
1105 close(fd);
1106
1107 return 0;
1108 }
1109 #endif
1110
1111 /***********************************************************/
1112 /* QEMU Block devices */
1113
1114 #define HD_OPTS "media=disk"
1115 #define CDROM_OPTS "media=cdrom"
1116 #define FD_OPTS ""
1117 #define PFLASH_OPTS ""
1118 #define MTD_OPTS ""
1119 #define SD_OPTS ""
1120
1121 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1122 {
1123 BlockInterfaceType *block_default_type = opaque;
1124
1125 return drive_new(opts, *block_default_type) == NULL;
1126 }
1127
1128 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1129 {
1130 if (qemu_opt_get(opts, "snapshot") == NULL) {
1131 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1132 }
1133 return 0;
1134 }
1135
1136 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1137 int index, const char *optstr)
1138 {
1139 QemuOpts *opts;
1140 DriveInfo *dinfo;
1141
1142 if (!enable || drive_get_by_index(type, index)) {
1143 return;
1144 }
1145
1146 opts = drive_add(type, index, NULL, optstr);
1147 if (snapshot) {
1148 drive_enable_snapshot(NULL, opts, NULL);
1149 }
1150
1151 dinfo = drive_new(opts, type);
1152 if (!dinfo) {
1153 exit(1);
1154 }
1155 dinfo->is_default = true;
1156
1157 }
1158
1159 static QemuOptsList qemu_smp_opts = {
1160 .name = "smp-opts",
1161 .implied_opt_name = "cpus",
1162 .merge_lists = true,
1163 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1164 .desc = {
1165 {
1166 .name = "cpus",
1167 .type = QEMU_OPT_NUMBER,
1168 }, {
1169 .name = "sockets",
1170 .type = QEMU_OPT_NUMBER,
1171 }, {
1172 .name = "cores",
1173 .type = QEMU_OPT_NUMBER,
1174 }, {
1175 .name = "threads",
1176 .type = QEMU_OPT_NUMBER,
1177 }, {
1178 .name = "maxcpus",
1179 .type = QEMU_OPT_NUMBER,
1180 },
1181 { /*End of list */ }
1182 },
1183 };
1184
1185 static void smp_parse(QemuOpts *opts)
1186 {
1187 if (opts) {
1188 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1189 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1190 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1191 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1192
1193 /* compute missing values, prefer sockets over cores over threads */
1194 if (cpus == 0 || sockets == 0) {
1195 sockets = sockets > 0 ? sockets : 1;
1196 cores = cores > 0 ? cores : 1;
1197 threads = threads > 0 ? threads : 1;
1198 if (cpus == 0) {
1199 cpus = cores * threads * sockets;
1200 }
1201 } else if (cores == 0) {
1202 threads = threads > 0 ? threads : 1;
1203 cores = cpus / (sockets * threads);
1204 cores = cores > 0 ? cores : 1;
1205 } else if (threads == 0) {
1206 threads = cpus / (cores * sockets);
1207 threads = threads > 0 ? threads : 1;
1208 } else if (sockets * cores * threads < cpus) {
1209 error_report("cpu topology: "
1210 "sockets (%u) * cores (%u) * threads (%u) < "
1211 "smp_cpus (%u)",
1212 sockets, cores, threads, cpus);
1213 exit(1);
1214 }
1215
1216 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1217
1218 if (max_cpus < cpus) {
1219 error_report("maxcpus must be equal to or greater than smp");
1220 exit(1);
1221 }
1222
1223 if (sockets * cores * threads > max_cpus) {
1224 error_report("cpu topology: "
1225 "sockets (%u) * cores (%u) * threads (%u) > "
1226 "maxcpus (%u)",
1227 sockets, cores, threads, max_cpus);
1228 exit(1);
1229 }
1230
1231 smp_cpus = cpus;
1232 smp_cores = cores;
1233 smp_threads = threads;
1234 }
1235
1236 if (smp_cpus > 1) {
1237 Error *blocker = NULL;
1238 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1239 replay_add_blocker(blocker);
1240 }
1241 }
1242
1243 static void realtime_init(void)
1244 {
1245 if (enable_mlock) {
1246 if (os_mlock() < 0) {
1247 error_report("locking memory failed");
1248 exit(1);
1249 }
1250 }
1251 }
1252
1253
1254 static void configure_msg(QemuOpts *opts)
1255 {
1256 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1257 }
1258
1259 /***********************************************************/
1260 /* Semihosting */
1261
1262 typedef struct SemihostingConfig {
1263 bool enabled;
1264 SemihostingTarget target;
1265 const char **argv;
1266 int argc;
1267 const char *cmdline; /* concatenated argv */
1268 } SemihostingConfig;
1269
1270 static SemihostingConfig semihosting;
1271
1272 bool semihosting_enabled(void)
1273 {
1274 return semihosting.enabled;
1275 }
1276
1277 SemihostingTarget semihosting_get_target(void)
1278 {
1279 return semihosting.target;
1280 }
1281
1282 const char *semihosting_get_arg(int i)
1283 {
1284 if (i >= semihosting.argc) {
1285 return NULL;
1286 }
1287 return semihosting.argv[i];
1288 }
1289
1290 int semihosting_get_argc(void)
1291 {
1292 return semihosting.argc;
1293 }
1294
1295 const char *semihosting_get_cmdline(void)
1296 {
1297 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1298 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1299 }
1300 return semihosting.cmdline;
1301 }
1302
1303 static int add_semihosting_arg(void *opaque,
1304 const char *name, const char *val,
1305 Error **errp)
1306 {
1307 SemihostingConfig *s = opaque;
1308 if (strcmp(name, "arg") == 0) {
1309 s->argc++;
1310 /* one extra element as g_strjoinv() expects NULL-terminated array */
1311 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1312 s->argv[s->argc - 1] = val;
1313 s->argv[s->argc] = NULL;
1314 }
1315 return 0;
1316 }
1317
1318 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1319 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1320 {
1321 char *cmd_token;
1322
1323 /* argv[0] */
1324 add_semihosting_arg(&semihosting, "arg", file, NULL);
1325
1326 /* split -append and initialize argv[1..n] */
1327 cmd_token = strtok(g_strdup(cmd), " ");
1328 while (cmd_token) {
1329 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1330 cmd_token = strtok(NULL, " ");
1331 }
1332 }
1333
1334 /* Now we still need this for compatibility with XEN. */
1335 bool has_igd_gfx_passthru;
1336 static void igd_gfx_passthru(void)
1337 {
1338 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1339 }
1340
1341 /***********************************************************/
1342 /* USB devices */
1343
1344 static int usb_device_add(const char *devname)
1345 {
1346 USBDevice *dev = NULL;
1347
1348 if (!machine_usb(current_machine)) {
1349 return -1;
1350 }
1351
1352 dev = usbdevice_create(devname);
1353 if (!dev)
1354 return -1;
1355
1356 return 0;
1357 }
1358
1359 static int usb_parse(const char *cmdline)
1360 {
1361 int r;
1362 r = usb_device_add(cmdline);
1363 if (r < 0) {
1364 error_report("could not add USB device '%s'", cmdline);
1365 }
1366 return r;
1367 }
1368
1369 /***********************************************************/
1370 /* machine registration */
1371
1372 MachineState *current_machine;
1373
1374 static MachineClass *find_machine(const char *name)
1375 {
1376 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1377 MachineClass *mc = NULL;
1378
1379 for (el = machines; el; el = el->next) {
1380 MachineClass *temp = el->data;
1381
1382 if (!strcmp(temp->name, name)) {
1383 mc = temp;
1384 break;
1385 }
1386 if (temp->alias &&
1387 !strcmp(temp->alias, name)) {
1388 mc = temp;
1389 break;
1390 }
1391 }
1392
1393 g_slist_free(machines);
1394 return mc;
1395 }
1396
1397 MachineClass *find_default_machine(void)
1398 {
1399 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1400 MachineClass *mc = NULL;
1401
1402 for (el = machines; el; el = el->next) {
1403 MachineClass *temp = el->data;
1404
1405 if (temp->is_default) {
1406 mc = temp;
1407 break;
1408 }
1409 }
1410
1411 g_slist_free(machines);
1412 return mc;
1413 }
1414
1415 MachineInfoList *qmp_query_machines(Error **errp)
1416 {
1417 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1418 MachineInfoList *mach_list = NULL;
1419
1420 for (el = machines; el; el = el->next) {
1421 MachineClass *mc = el->data;
1422 MachineInfoList *entry;
1423 MachineInfo *info;
1424
1425 info = g_malloc0(sizeof(*info));
1426 if (mc->is_default) {
1427 info->has_is_default = true;
1428 info->is_default = true;
1429 }
1430
1431 if (mc->alias) {
1432 info->has_alias = true;
1433 info->alias = g_strdup(mc->alias);
1434 }
1435
1436 info->name = g_strdup(mc->name);
1437 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1438 info->hotpluggable_cpus = mc->has_hotpluggable_cpus;
1439
1440 entry = g_malloc0(sizeof(*entry));
1441 entry->value = info;
1442 entry->next = mach_list;
1443 mach_list = entry;
1444 }
1445
1446 g_slist_free(machines);
1447 return mach_list;
1448 }
1449
1450 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1451 {
1452 ObjectProperty *prop;
1453 ObjectPropertyIterator iter;
1454
1455 if (!qemu_opt_has_help_opt(opts)) {
1456 return 0;
1457 }
1458
1459 object_property_iter_init(&iter, OBJECT(machine));
1460 while ((prop = object_property_iter_next(&iter))) {
1461 if (!prop->set) {
1462 continue;
1463 }
1464
1465 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1466 prop->name, prop->type);
1467 if (prop->description) {
1468 error_printf(" (%s)\n", prop->description);
1469 } else {
1470 error_printf("\n");
1471 }
1472 }
1473
1474 return 1;
1475 }
1476
1477 /***********************************************************/
1478 /* main execution loop */
1479
1480 struct vm_change_state_entry {
1481 VMChangeStateHandler *cb;
1482 void *opaque;
1483 QLIST_ENTRY (vm_change_state_entry) entries;
1484 };
1485
1486 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1487
1488 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1489 void *opaque)
1490 {
1491 VMChangeStateEntry *e;
1492
1493 e = g_malloc0(sizeof (*e));
1494
1495 e->cb = cb;
1496 e->opaque = opaque;
1497 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1498 return e;
1499 }
1500
1501 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1502 {
1503 QLIST_REMOVE (e, entries);
1504 g_free (e);
1505 }
1506
1507 void vm_state_notify(int running, RunState state)
1508 {
1509 VMChangeStateEntry *e, *next;
1510
1511 trace_vm_state_notify(running, state);
1512
1513 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1514 e->cb(e->opaque, running, state);
1515 }
1516 }
1517
1518 static ShutdownCause reset_requested;
1519 static ShutdownCause shutdown_requested;
1520 static int shutdown_signal;
1521 static pid_t shutdown_pid;
1522 static int powerdown_requested;
1523 static int debug_requested;
1524 static int suspend_requested;
1525 static bool preconfig_exit_requested = true;
1526 static WakeupReason wakeup_reason;
1527 static NotifierList powerdown_notifiers =
1528 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1529 static NotifierList suspend_notifiers =
1530 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1531 static NotifierList wakeup_notifiers =
1532 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1533 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1534
1535 ShutdownCause qemu_shutdown_requested_get(void)
1536 {
1537 return shutdown_requested;
1538 }
1539
1540 ShutdownCause qemu_reset_requested_get(void)
1541 {
1542 return reset_requested;
1543 }
1544
1545 static int qemu_shutdown_requested(void)
1546 {
1547 return atomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE);
1548 }
1549
1550 static void qemu_kill_report(void)
1551 {
1552 if (!qtest_driver() && shutdown_signal) {
1553 if (shutdown_pid == 0) {
1554 /* This happens for eg ^C at the terminal, so it's worth
1555 * avoiding printing an odd message in that case.
1556 */
1557 error_report("terminating on signal %d", shutdown_signal);
1558 } else {
1559 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1560
1561 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1562 shutdown_signal, shutdown_pid,
1563 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1564 g_free(shutdown_cmd);
1565 }
1566 shutdown_signal = 0;
1567 }
1568 }
1569
1570 static ShutdownCause qemu_reset_requested(void)
1571 {
1572 ShutdownCause r = reset_requested;
1573
1574 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1575 reset_requested = SHUTDOWN_CAUSE_NONE;
1576 return r;
1577 }
1578 return SHUTDOWN_CAUSE_NONE;
1579 }
1580
1581 static int qemu_suspend_requested(void)
1582 {
1583 int r = suspend_requested;
1584 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1585 suspend_requested = 0;
1586 return r;
1587 }
1588 return false;
1589 }
1590
1591 static WakeupReason qemu_wakeup_requested(void)
1592 {
1593 return wakeup_reason;
1594 }
1595
1596 static int qemu_powerdown_requested(void)
1597 {
1598 int r = powerdown_requested;
1599 powerdown_requested = 0;
1600 return r;
1601 }
1602
1603 static int qemu_debug_requested(void)
1604 {
1605 int r = debug_requested;
1606 debug_requested = 0;
1607 return r;
1608 }
1609
1610 void qemu_exit_preconfig_request(void)
1611 {
1612 preconfig_exit_requested = true;
1613 }
1614
1615 /*
1616 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1617 */
1618 void qemu_system_reset(ShutdownCause reason)
1619 {
1620 MachineClass *mc;
1621
1622 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1623
1624 cpu_synchronize_all_states();
1625
1626 if (mc && mc->reset) {
1627 mc->reset();
1628 } else {
1629 qemu_devices_reset();
1630 }
1631 if (reason) {
1632 qapi_event_send_reset(shutdown_caused_by_guest(reason),
1633 &error_abort);
1634 }
1635 cpu_synchronize_all_post_reset();
1636 }
1637
1638 void qemu_system_guest_panicked(GuestPanicInformation *info)
1639 {
1640 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed");
1641
1642 if (current_cpu) {
1643 current_cpu->crash_occurred = true;
1644 }
1645 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
1646 !!info, info, &error_abort);
1647 vm_stop(RUN_STATE_GUEST_PANICKED);
1648 if (!no_shutdown) {
1649 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1650 !!info, info, &error_abort);
1651 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC);
1652 }
1653
1654 if (info) {
1655 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
1656 qemu_log_mask(LOG_GUEST_ERROR, "\nHV crash parameters: (%#"PRIx64
1657 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
1658 info->u.hyper_v.arg1,
1659 info->u.hyper_v.arg2,
1660 info->u.hyper_v.arg3,
1661 info->u.hyper_v.arg4,
1662 info->u.hyper_v.arg5);
1663 } else if (info->type == GUEST_PANIC_INFORMATION_TYPE_S390) {
1664 qemu_log_mask(LOG_GUEST_ERROR, " on cpu %d: %s\n"
1665 "PSW: 0x%016" PRIx64 " 0x%016" PRIx64"\n",
1666 info->u.s390.core,
1667 S390CrashReason_str(info->u.s390.reason),
1668 info->u.s390.psw_mask,
1669 info->u.s390.psw_addr);
1670 }
1671 qapi_free_GuestPanicInformation(info);
1672 }
1673 }
1674
1675 void qemu_system_reset_request(ShutdownCause reason)
1676 {
1677 if (no_reboot) {
1678 shutdown_requested = reason;
1679 } else {
1680 reset_requested = reason;
1681 }
1682 cpu_stop_current();
1683 qemu_notify_event();
1684 }
1685
1686 static void qemu_system_suspend(void)
1687 {
1688 pause_all_vcpus();
1689 notifier_list_notify(&suspend_notifiers, NULL);
1690 runstate_set(RUN_STATE_SUSPENDED);
1691 qapi_event_send_suspend(&error_abort);
1692 }
1693
1694 void qemu_system_suspend_request(void)
1695 {
1696 if (runstate_check(RUN_STATE_SUSPENDED)) {
1697 return;
1698 }
1699 suspend_requested = 1;
1700 cpu_stop_current();
1701 qemu_notify_event();
1702 }
1703
1704 void qemu_register_suspend_notifier(Notifier *notifier)
1705 {
1706 notifier_list_add(&suspend_notifiers, notifier);
1707 }
1708
1709 void qemu_system_wakeup_request(WakeupReason reason)
1710 {
1711 trace_system_wakeup_request(reason);
1712
1713 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1714 return;
1715 }
1716 if (!(wakeup_reason_mask & (1 << reason))) {
1717 return;
1718 }
1719 runstate_set(RUN_STATE_RUNNING);
1720 wakeup_reason = reason;
1721 qemu_notify_event();
1722 }
1723
1724 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1725 {
1726 if (enabled) {
1727 wakeup_reason_mask |= (1 << reason);
1728 } else {
1729 wakeup_reason_mask &= ~(1 << reason);
1730 }
1731 }
1732
1733 void qemu_register_wakeup_notifier(Notifier *notifier)
1734 {
1735 notifier_list_add(&wakeup_notifiers, notifier);
1736 }
1737
1738 void qemu_system_killed(int signal, pid_t pid)
1739 {
1740 shutdown_signal = signal;
1741 shutdown_pid = pid;
1742 no_shutdown = 0;
1743
1744 /* Cannot call qemu_system_shutdown_request directly because
1745 * we are in a signal handler.
1746 */
1747 shutdown_requested = SHUTDOWN_CAUSE_HOST_SIGNAL;
1748 qemu_notify_event();
1749 }
1750
1751 void qemu_system_shutdown_request(ShutdownCause reason)
1752 {
1753 trace_qemu_system_shutdown_request(reason);
1754 replay_shutdown_request(reason);
1755 shutdown_requested = reason;
1756 qemu_notify_event();
1757 }
1758
1759 static void qemu_system_powerdown(void)
1760 {
1761 qapi_event_send_powerdown(&error_abort);
1762 notifier_list_notify(&powerdown_notifiers, NULL);
1763 }
1764
1765 void qemu_system_powerdown_request(void)
1766 {
1767 trace_qemu_system_powerdown_request();
1768 powerdown_requested = 1;
1769 qemu_notify_event();
1770 }
1771
1772 void qemu_register_powerdown_notifier(Notifier *notifier)
1773 {
1774 notifier_list_add(&powerdown_notifiers, notifier);
1775 }
1776
1777 void qemu_system_debug_request(void)
1778 {
1779 debug_requested = 1;
1780 qemu_notify_event();
1781 }
1782
1783 static bool main_loop_should_exit(void)
1784 {
1785 RunState r;
1786 ShutdownCause request;
1787
1788 if (preconfig_exit_requested) {
1789 if (runstate_check(RUN_STATE_PRECONFIG)) {
1790 runstate_set(RUN_STATE_PRELAUNCH);
1791 }
1792 preconfig_exit_requested = false;
1793 return true;
1794 }
1795 if (qemu_debug_requested()) {
1796 vm_stop(RUN_STATE_DEBUG);
1797 }
1798 if (qemu_suspend_requested()) {
1799 qemu_system_suspend();
1800 }
1801 request = qemu_shutdown_requested();
1802 if (request) {
1803 qemu_kill_report();
1804 qapi_event_send_shutdown(shutdown_caused_by_guest(request),
1805 &error_abort);
1806 if (no_shutdown) {
1807 vm_stop(RUN_STATE_SHUTDOWN);
1808 } else {
1809 return true;
1810 }
1811 }
1812 request = qemu_reset_requested();
1813 if (request) {
1814 pause_all_vcpus();
1815 qemu_system_reset(request);
1816 resume_all_vcpus();
1817 if (!runstate_check(RUN_STATE_RUNNING) &&
1818 !runstate_check(RUN_STATE_INMIGRATE)) {
1819 runstate_set(RUN_STATE_PRELAUNCH);
1820 }
1821 }
1822 if (qemu_wakeup_requested()) {
1823 pause_all_vcpus();
1824 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
1825 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1826 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1827 resume_all_vcpus();
1828 qapi_event_send_wakeup(&error_abort);
1829 }
1830 if (qemu_powerdown_requested()) {
1831 qemu_system_powerdown();
1832 }
1833 if (qemu_vmstop_requested(&r)) {
1834 vm_stop(r);
1835 }
1836 return false;
1837 }
1838
1839 static void main_loop(void)
1840 {
1841 #ifdef CONFIG_PROFILER
1842 int64_t ti;
1843 #endif
1844 while (!main_loop_should_exit()) {
1845 #ifdef CONFIG_PROFILER
1846 ti = profile_getclock();
1847 #endif
1848 main_loop_wait(false);
1849 #ifdef CONFIG_PROFILER
1850 dev_time += profile_getclock() - ti;
1851 #endif
1852 }
1853 }
1854
1855 static void version(void)
1856 {
1857 printf("QEMU emulator version " QEMU_FULL_VERSION "\n"
1858 QEMU_COPYRIGHT "\n");
1859 }
1860
1861 static void help(int exitcode)
1862 {
1863 version();
1864 printf("usage: %s [options] [disk_image]\n\n"
1865 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1866 error_get_progname());
1867
1868 #define QEMU_OPTIONS_GENERATE_HELP
1869 #include "qemu-options-wrapper.h"
1870
1871 printf("\nDuring emulation, the following keys are useful:\n"
1872 "ctrl-alt-f toggle full screen\n"
1873 "ctrl-alt-n switch to virtual console 'n'\n"
1874 "ctrl-alt toggle mouse and keyboard grab\n"
1875 "\n"
1876 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1877 "\n"
1878 QEMU_HELP_BOTTOM "\n");
1879
1880 exit(exitcode);
1881 }
1882
1883 #define HAS_ARG 0x0001
1884
1885 typedef struct QEMUOption {
1886 const char *name;
1887 int flags;
1888 int index;
1889 uint32_t arch_mask;
1890 } QEMUOption;
1891
1892 static const QEMUOption qemu_options[] = {
1893 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1894 #define QEMU_OPTIONS_GENERATE_OPTIONS
1895 #include "qemu-options-wrapper.h"
1896 { NULL },
1897 };
1898
1899 typedef struct VGAInterfaceInfo {
1900 const char *opt_name; /* option name */
1901 const char *name; /* human-readable name */
1902 /* Class names indicating that support is available.
1903 * If no class is specified, the interface is always available */
1904 const char *class_names[2];
1905 } VGAInterfaceInfo;
1906
1907 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1908 [VGA_NONE] = {
1909 .opt_name = "none",
1910 },
1911 [VGA_STD] = {
1912 .opt_name = "std",
1913 .name = "standard VGA",
1914 .class_names = { "VGA", "isa-vga" },
1915 },
1916 [VGA_CIRRUS] = {
1917 .opt_name = "cirrus",
1918 .name = "Cirrus VGA",
1919 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
1920 },
1921 [VGA_VMWARE] = {
1922 .opt_name = "vmware",
1923 .name = "VMWare SVGA",
1924 .class_names = { "vmware-svga" },
1925 },
1926 [VGA_VIRTIO] = {
1927 .opt_name = "virtio",
1928 .name = "Virtio VGA",
1929 .class_names = { "virtio-vga" },
1930 },
1931 [VGA_QXL] = {
1932 .opt_name = "qxl",
1933 .name = "QXL VGA",
1934 .class_names = { "qxl-vga" },
1935 },
1936 [VGA_TCX] = {
1937 .opt_name = "tcx",
1938 .name = "TCX framebuffer",
1939 .class_names = { "SUNW,tcx" },
1940 },
1941 [VGA_CG3] = {
1942 .opt_name = "cg3",
1943 .name = "CG3 framebuffer",
1944 .class_names = { "cgthree" },
1945 },
1946 [VGA_XENFB] = {
1947 .opt_name = "xenfb",
1948 },
1949 };
1950
1951 static bool vga_interface_available(VGAInterfaceType t)
1952 {
1953 VGAInterfaceInfo *ti = &vga_interfaces[t];
1954
1955 assert(t < VGA_TYPE_MAX);
1956 return !ti->class_names[0] ||
1957 object_class_by_name(ti->class_names[0]) ||
1958 object_class_by_name(ti->class_names[1]);
1959 }
1960
1961 static void select_vgahw(const char *p)
1962 {
1963 const char *opts;
1964 int t;
1965
1966 assert(vga_interface_type == VGA_NONE);
1967 for (t = 0; t < VGA_TYPE_MAX; t++) {
1968 VGAInterfaceInfo *ti = &vga_interfaces[t];
1969 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
1970 if (!vga_interface_available(t)) {
1971 error_report("%s not available", ti->name);
1972 exit(1);
1973 }
1974 vga_interface_type = t;
1975 break;
1976 }
1977 }
1978 if (t == VGA_TYPE_MAX) {
1979 invalid_vga:
1980 error_report("unknown vga type: %s", p);
1981 exit(1);
1982 }
1983 while (*opts) {
1984 const char *nextopt;
1985
1986 if (strstart(opts, ",retrace=", &nextopt)) {
1987 opts = nextopt;
1988 if (strstart(opts, "dumb", &nextopt))
1989 vga_retrace_method = VGA_RETRACE_DUMB;
1990 else if (strstart(opts, "precise", &nextopt))
1991 vga_retrace_method = VGA_RETRACE_PRECISE;
1992 else goto invalid_vga;
1993 } else goto invalid_vga;
1994 opts = nextopt;
1995 }
1996 }
1997
1998 static void parse_display_qapi(const char *optarg)
1999 {
2000 Error *err = NULL;
2001 DisplayOptions *opts;
2002 Visitor *v;
2003
2004 v = qobject_input_visitor_new_str(optarg, "type", &err);
2005 if (!v) {
2006 error_report_err(err);
2007 exit(1);
2008 }
2009
2010 visit_type_DisplayOptions(v, NULL, &opts, &error_fatal);
2011 QAPI_CLONE_MEMBERS(DisplayOptions, &dpy, opts);
2012
2013 qapi_free_DisplayOptions(opts);
2014 visit_free(v);
2015 }
2016
2017 static void parse_display(const char *p)
2018 {
2019 const char *opts;
2020
2021 if (strstart(p, "sdl", &opts)) {
2022 /*
2023 * sdl DisplayType needs hand-crafted parser instead of
2024 * parse_display_qapi() due to some options not in
2025 * DisplayOptions, specifically:
2026 * - frame
2027 * Already deprecated.
2028 * - ctrl_grab + alt_grab
2029 * Not clear yet what happens to them long-term. Should
2030 * replaced by something better or deprecated and dropped.
2031 */
2032 dpy.type = DISPLAY_TYPE_SDL;
2033 while (*opts) {
2034 const char *nextopt;
2035
2036 if (strstart(opts, ",frame=", &nextopt)) {
2037 g_printerr("The frame= sdl option is deprecated, and will be\n"
2038 "removed in a future release.\n");
2039 opts = nextopt;
2040 if (strstart(opts, "on", &nextopt)) {
2041 no_frame = 0;
2042 } else if (strstart(opts, "off", &nextopt)) {
2043 no_frame = 1;
2044 } else {
2045 goto invalid_sdl_args;
2046 }
2047 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2048 opts = nextopt;
2049 if (strstart(opts, "on", &nextopt)) {
2050 alt_grab = 1;
2051 } else if (strstart(opts, "off", &nextopt)) {
2052 alt_grab = 0;
2053 } else {
2054 goto invalid_sdl_args;
2055 }
2056 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2057 opts = nextopt;
2058 if (strstart(opts, "on", &nextopt)) {
2059 ctrl_grab = 1;
2060 } else if (strstart(opts, "off", &nextopt)) {
2061 ctrl_grab = 0;
2062 } else {
2063 goto invalid_sdl_args;
2064 }
2065 } else if (strstart(opts, ",window_close=", &nextopt)) {
2066 opts = nextopt;
2067 dpy.has_window_close = true;
2068 if (strstart(opts, "on", &nextopt)) {
2069 dpy.window_close = true;
2070 } else if (strstart(opts, "off", &nextopt)) {
2071 dpy.window_close = false;
2072 } else {
2073 goto invalid_sdl_args;
2074 }
2075 } else if (strstart(opts, ",gl=", &nextopt)) {
2076 opts = nextopt;
2077 dpy.has_gl = true;
2078 if (strstart(opts, "on", &nextopt)) {
2079 dpy.gl = DISPLAYGL_MODE_ON;
2080 } else if (strstart(opts, "core", &nextopt)) {
2081 dpy.gl = DISPLAYGL_MODE_CORE;
2082 } else if (strstart(opts, "es", &nextopt)) {
2083 dpy.gl = DISPLAYGL_MODE_ES;
2084 } else if (strstart(opts, "off", &nextopt)) {
2085 dpy.gl = DISPLAYGL_MODE_OFF;
2086 } else {
2087 goto invalid_sdl_args;
2088 }
2089 } else {
2090 invalid_sdl_args:
2091 error_report("invalid SDL option string");
2092 exit(1);
2093 }
2094 opts = nextopt;
2095 }
2096 } else if (strstart(p, "vnc", &opts)) {
2097 /*
2098 * vnc isn't a (local) DisplayType but a protocol for remote
2099 * display access.
2100 */
2101 if (*opts == '=') {
2102 vnc_parse(opts + 1, &error_fatal);
2103 } else {
2104 error_report("VNC requires a display argument vnc=<display>");
2105 exit(1);
2106 }
2107 } else {
2108 parse_display_qapi(p);
2109 }
2110 }
2111
2112 static int balloon_parse(const char *arg)
2113 {
2114 QemuOpts *opts;
2115
2116 warn_report("This option is deprecated. "
2117 "Use '--device virtio-balloon' to enable the balloon device.");
2118
2119 if (strcmp(arg, "none") == 0) {
2120 return 0;
2121 }
2122
2123 if (!strncmp(arg, "virtio", 6)) {
2124 if (arg[6] == ',') {
2125 /* have params -> parse them */
2126 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2127 false);
2128 if (!opts)
2129 return -1;
2130 } else {
2131 /* create empty opts */
2132 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2133 &error_abort);
2134 }
2135 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2136 return 0;
2137 }
2138
2139 return -1;
2140 }
2141
2142 char *qemu_find_file(int type, const char *name)
2143 {
2144 int i;
2145 const char *subdir;
2146 char *buf;
2147
2148 /* Try the name as a straight path first */
2149 if (access(name, R_OK) == 0) {
2150 trace_load_file(name, name);
2151 return g_strdup(name);
2152 }
2153
2154 switch (type) {
2155 case QEMU_FILE_TYPE_BIOS:
2156 subdir = "";
2157 break;
2158 case QEMU_FILE_TYPE_KEYMAP:
2159 subdir = "keymaps/";
2160 break;
2161 default:
2162 abort();
2163 }
2164
2165 for (i = 0; i < data_dir_idx; i++) {
2166 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2167 if (access(buf, R_OK) == 0) {
2168 trace_load_file(name, buf);
2169 return buf;
2170 }
2171 g_free(buf);
2172 }
2173 return NULL;
2174 }
2175
2176 static void qemu_add_data_dir(const char *path)
2177 {
2178 int i;
2179
2180 if (path == NULL) {
2181 return;
2182 }
2183 if (data_dir_idx == ARRAY_SIZE(data_dir)) {
2184 return;
2185 }
2186 for (i = 0; i < data_dir_idx; i++) {
2187 if (strcmp(data_dir[i], path) == 0) {
2188 return; /* duplicate */
2189 }
2190 }
2191 data_dir[data_dir_idx++] = g_strdup(path);
2192 }
2193
2194 static inline bool nonempty_str(const char *str)
2195 {
2196 return str && *str;
2197 }
2198
2199 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2200 {
2201 gchar *buf;
2202 size_t size;
2203 const char *name, *file, *str;
2204 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2205
2206 if (fw_cfg == NULL) {
2207 error_report("fw_cfg device not available");
2208 return -1;
2209 }
2210 name = qemu_opt_get(opts, "name");
2211 file = qemu_opt_get(opts, "file");
2212 str = qemu_opt_get(opts, "string");
2213
2214 /* we need name and either a file or the content string */
2215 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2216 error_report("invalid argument(s)");
2217 return -1;
2218 }
2219 if (nonempty_str(file) && nonempty_str(str)) {
2220 error_report("file and string are mutually exclusive");
2221 return -1;
2222 }
2223 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2224 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2225 return -1;
2226 }
2227 if (strncmp(name, "opt/", 4) != 0) {
2228 warn_report("externally provided fw_cfg item names "
2229 "should be prefixed with \"opt/\"");
2230 }
2231 if (nonempty_str(str)) {
2232 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2233 buf = g_memdup(str, size);
2234 } else {
2235 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2236 error_report("can't load %s", file);
2237 return -1;
2238 }
2239 }
2240 /* For legacy, keep user files in a specific global order. */
2241 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2242 fw_cfg_add_file(fw_cfg, name, buf, size);
2243 fw_cfg_reset_order_override(fw_cfg);
2244 return 0;
2245 }
2246
2247 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2248 {
2249 return qdev_device_help(opts);
2250 }
2251
2252 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2253 {
2254 Error *err = NULL;
2255 DeviceState *dev;
2256
2257 dev = qdev_device_add(opts, &err);
2258 if (!dev) {
2259 error_report_err(err);
2260 return -1;
2261 }
2262 object_unref(OBJECT(dev));
2263 return 0;
2264 }
2265
2266 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2267 {
2268 Error *local_err = NULL;
2269
2270 if (!qemu_chr_new_from_opts(opts, &local_err)) {
2271 if (local_err) {
2272 error_report_err(local_err);
2273 return -1;
2274 }
2275 exit(0);
2276 }
2277 return 0;
2278 }
2279
2280 #ifdef CONFIG_VIRTFS
2281 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2282 {
2283 return qemu_fsdev_add(opts);
2284 }
2285 #endif
2286
2287 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2288 {
2289 Chardev *chr;
2290 const char *chardev;
2291 const char *mode;
2292 int flags;
2293
2294 mode = qemu_opt_get(opts, "mode");
2295 if (mode == NULL) {
2296 mode = "readline";
2297 }
2298 if (strcmp(mode, "readline") == 0) {
2299 flags = MONITOR_USE_READLINE;
2300 } else if (strcmp(mode, "control") == 0) {
2301 flags = MONITOR_USE_CONTROL;
2302 } else {
2303 error_report("unknown monitor mode \"%s\"", mode);
2304 exit(1);
2305 }
2306
2307 if (qemu_opt_get_bool(opts, "pretty", 0))
2308 flags |= MONITOR_USE_PRETTY;
2309
2310 /* OOB is off by default */
2311 if (qemu_opt_get_bool(opts, "x-oob", 0)) {
2312 flags |= MONITOR_USE_OOB;
2313 }
2314
2315 chardev = qemu_opt_get(opts, "chardev");
2316 chr = qemu_chr_find(chardev);
2317 if (chr == NULL) {
2318 error_report("chardev \"%s\" not found", chardev);
2319 exit(1);
2320 }
2321
2322 monitor_init(chr, flags);
2323 return 0;
2324 }
2325
2326 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2327 {
2328 static int monitor_device_index = 0;
2329 QemuOpts *opts;
2330 const char *p;
2331 char label[32];
2332
2333 if (strstart(optarg, "chardev:", &p)) {
2334 snprintf(label, sizeof(label), "%s", p);
2335 } else {
2336 snprintf(label, sizeof(label), "compat_monitor%d",
2337 monitor_device_index);
2338 opts = qemu_chr_parse_compat(label, optarg);
2339 if (!opts) {
2340 error_report("parse error: %s", optarg);
2341 exit(1);
2342 }
2343 }
2344
2345 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2346 qemu_opt_set(opts, "mode", mode, &error_abort);
2347 qemu_opt_set(opts, "chardev", label, &error_abort);
2348 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2349 monitor_device_index++;
2350 }
2351
2352 struct device_config {
2353 enum {
2354 DEV_USB, /* -usbdevice */
2355 DEV_BT, /* -bt */
2356 DEV_SERIAL, /* -serial */
2357 DEV_PARALLEL, /* -parallel */
2358 DEV_VIRTCON, /* -virtioconsole */
2359 DEV_DEBUGCON, /* -debugcon */
2360 DEV_GDB, /* -gdb, -s */
2361 DEV_SCLP, /* s390 sclp */
2362 } type;
2363 const char *cmdline;
2364 Location loc;
2365 QTAILQ_ENTRY(device_config) next;
2366 };
2367
2368 static QTAILQ_HEAD(, device_config) device_configs =
2369 QTAILQ_HEAD_INITIALIZER(device_configs);
2370
2371 static void add_device_config(int type, const char *cmdline)
2372 {
2373 struct device_config *conf;
2374
2375 conf = g_malloc0(sizeof(*conf));
2376 conf->type = type;
2377 conf->cmdline = cmdline;
2378 loc_save(&conf->loc);
2379 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2380 }
2381
2382 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2383 {
2384 struct device_config *conf;
2385 int rc;
2386
2387 QTAILQ_FOREACH(conf, &device_configs, next) {
2388 if (conf->type != type)
2389 continue;
2390 loc_push_restore(&conf->loc);
2391 rc = func(conf->cmdline);
2392 loc_pop(&conf->loc);
2393 if (rc) {
2394 return rc;
2395 }
2396 }
2397 return 0;
2398 }
2399
2400 static int serial_parse(const char *devname)
2401 {
2402 int index = num_serial_hds;
2403 char label[32];
2404
2405 if (strcmp(devname, "none") == 0)
2406 return 0;
2407 snprintf(label, sizeof(label), "serial%d", index);
2408 serial_hds = g_renew(Chardev *, serial_hds, index + 1);
2409
2410 serial_hds[index] = qemu_chr_new(label, devname);
2411 if (!serial_hds[index]) {
2412 error_report("could not connect serial device"
2413 " to character backend '%s'", devname);
2414 return -1;
2415 }
2416 num_serial_hds++;
2417 return 0;
2418 }
2419
2420 Chardev *serial_hd(int i)
2421 {
2422 assert(i >= 0);
2423 if (i < num_serial_hds) {
2424 return serial_hds[i];
2425 }
2426 return NULL;
2427 }
2428
2429 int serial_max_hds(void)
2430 {
2431 return num_serial_hds;
2432 }
2433
2434 static int parallel_parse(const char *devname)
2435 {
2436 static int index = 0;
2437 char label[32];
2438
2439 if (strcmp(devname, "none") == 0)
2440 return 0;
2441 if (index == MAX_PARALLEL_PORTS) {
2442 error_report("too many parallel ports");
2443 exit(1);
2444 }
2445 snprintf(label, sizeof(label), "parallel%d", index);
2446 parallel_hds[index] = qemu_chr_new(label, devname);
2447 if (!parallel_hds[index]) {
2448 error_report("could not connect parallel device"
2449 " to character backend '%s'", devname);
2450 return -1;
2451 }
2452 index++;
2453 return 0;
2454 }
2455
2456 static int virtcon_parse(const char *devname)
2457 {
2458 QemuOptsList *device = qemu_find_opts("device");
2459 static int index = 0;
2460 char label[32];
2461 QemuOpts *bus_opts, *dev_opts;
2462
2463 if (strcmp(devname, "none") == 0)
2464 return 0;
2465 if (index == MAX_VIRTIO_CONSOLES) {
2466 error_report("too many virtio consoles");
2467 exit(1);
2468 }
2469
2470 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2471 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2472
2473 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2474 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2475
2476 snprintf(label, sizeof(label), "virtcon%d", index);
2477 virtcon_hds[index] = qemu_chr_new(label, devname);
2478 if (!virtcon_hds[index]) {
2479 error_report("could not connect virtio console"
2480 " to character backend '%s'", devname);
2481 return -1;
2482 }
2483 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2484
2485 index++;
2486 return 0;
2487 }
2488
2489 static int debugcon_parse(const char *devname)
2490 {
2491 QemuOpts *opts;
2492
2493 if (!qemu_chr_new("debugcon", devname)) {
2494 exit(1);
2495 }
2496 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2497 if (!opts) {
2498 error_report("already have a debugcon device");
2499 exit(1);
2500 }
2501 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2502 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2503 return 0;
2504 }
2505
2506 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2507 {
2508 const MachineClass *mc1 = a, *mc2 = b;
2509 int res;
2510
2511 if (mc1->family == NULL) {
2512 if (mc2->family == NULL) {
2513 /* Compare standalone machine types against each other; they sort
2514 * in increasing order.
2515 */
2516 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2517 object_class_get_name(OBJECT_CLASS(mc2)));
2518 }
2519
2520 /* Standalone machine types sort after families. */
2521 return 1;
2522 }
2523
2524 if (mc2->family == NULL) {
2525 /* Families sort before standalone machine types. */
2526 return -1;
2527 }
2528
2529 /* Families sort between each other alphabetically increasingly. */
2530 res = strcmp(mc1->family, mc2->family);
2531 if (res != 0) {
2532 return res;
2533 }
2534
2535 /* Within the same family, machine types sort in decreasing order. */
2536 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2537 object_class_get_name(OBJECT_CLASS(mc1)));
2538 }
2539
2540 static MachineClass *machine_parse(const char *name)
2541 {
2542 MachineClass *mc = NULL;
2543 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2544
2545 if (name) {
2546 mc = find_machine(name);
2547 }
2548 if (mc) {
2549 g_slist_free(machines);
2550 return mc;
2551 }
2552 if (name && !is_help_option(name)) {
2553 error_report("unsupported machine type");
2554 error_printf("Use -machine help to list supported machines\n");
2555 } else {
2556 printf("Supported machines are:\n");
2557 machines = g_slist_sort(machines, machine_class_cmp);
2558 for (el = machines; el; el = el->next) {
2559 MachineClass *mc = el->data;
2560 if (mc->alias) {
2561 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2562 }
2563 printf("%-20s %s%s%s\n", mc->name, mc->desc,
2564 mc->is_default ? " (default)" : "",
2565 mc->deprecation_reason ? " (deprecated)" : "");
2566 }
2567 }
2568
2569 g_slist_free(machines);
2570 exit(!name || !is_help_option(name));
2571 }
2572
2573 void qemu_add_exit_notifier(Notifier *notify)
2574 {
2575 notifier_list_add(&exit_notifiers, notify);
2576 }
2577
2578 void qemu_remove_exit_notifier(Notifier *notify)
2579 {
2580 notifier_remove(notify);
2581 }
2582
2583 static void qemu_run_exit_notifiers(void)
2584 {
2585 notifier_list_notify(&exit_notifiers, NULL);
2586 }
2587
2588 bool machine_init_done;
2589
2590 void qemu_add_machine_init_done_notifier(Notifier *notify)
2591 {
2592 notifier_list_add(&machine_init_done_notifiers, notify);
2593 if (machine_init_done) {
2594 notify->notify(notify, NULL);
2595 }
2596 }
2597
2598 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2599 {
2600 notifier_remove(notify);
2601 }
2602
2603 static void qemu_run_machine_init_done_notifiers(void)
2604 {
2605 machine_init_done = true;
2606 notifier_list_notify(&machine_init_done_notifiers, NULL);
2607 }
2608
2609 static const QEMUOption *lookup_opt(int argc, char **argv,
2610 const char **poptarg, int *poptind)
2611 {
2612 const QEMUOption *popt;
2613 int optind = *poptind;
2614 char *r = argv[optind];
2615 const char *optarg;
2616
2617 loc_set_cmdline(argv, optind, 1);
2618 optind++;
2619 /* Treat --foo the same as -foo. */
2620 if (r[1] == '-')
2621 r++;
2622 popt = qemu_options;
2623 for(;;) {
2624 if (!popt->name) {
2625 error_report("invalid option");
2626 exit(1);
2627 }
2628 if (!strcmp(popt->name, r + 1))
2629 break;
2630 popt++;
2631 }
2632 if (popt->flags & HAS_ARG) {
2633 if (optind >= argc) {
2634 error_report("requires an argument");
2635 exit(1);
2636 }
2637 optarg = argv[optind++];
2638 loc_set_cmdline(argv, optind - 2, 2);
2639 } else {
2640 optarg = NULL;
2641 }
2642
2643 *poptarg = optarg;
2644 *poptind = optind;
2645
2646 return popt;
2647 }
2648
2649 static MachineClass *select_machine(void)
2650 {
2651 MachineClass *machine_class = find_default_machine();
2652 const char *optarg;
2653 QemuOpts *opts;
2654 Location loc;
2655
2656 loc_push_none(&loc);
2657
2658 opts = qemu_get_machine_opts();
2659 qemu_opts_loc_restore(opts);
2660
2661 optarg = qemu_opt_get(opts, "type");
2662 if (optarg) {
2663 machine_class = machine_parse(optarg);
2664 }
2665
2666 if (!machine_class) {
2667 error_report("No machine specified, and there is no default");
2668 error_printf("Use -machine help to list supported machines\n");
2669 exit(1);
2670 }
2671
2672 loc_pop(&loc);
2673 return machine_class;
2674 }
2675
2676 static int machine_set_property(void *opaque,
2677 const char *name, const char *value,
2678 Error **errp)
2679 {
2680 Object *obj = OBJECT(opaque);
2681 Error *local_err = NULL;
2682 char *p, *qom_name;
2683
2684 if (strcmp(name, "type") == 0) {
2685 return 0;
2686 }
2687
2688 qom_name = g_strdup(name);
2689 for (p = qom_name; *p; p++) {
2690 if (*p == '_') {
2691 *p = '-';
2692 }
2693 }
2694
2695 object_property_parse(obj, value, qom_name, &local_err);
2696 g_free(qom_name);
2697
2698 if (local_err) {
2699 error_report_err(local_err);
2700 return -1;
2701 }
2702
2703 return 0;
2704 }
2705
2706
2707 /*
2708 * Initial object creation happens before all other
2709 * QEMU data types are created. The majority of objects
2710 * can be created at this point. The rng-egd object
2711 * cannot be created here, as it depends on the chardev
2712 * already existing.
2713 */
2714 static bool object_create_initial(const char *type)
2715 {
2716 if (g_str_equal(type, "rng-egd") ||
2717 g_str_has_prefix(type, "pr-manager-")) {
2718 return false;
2719 }
2720
2721 #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
2722 if (g_str_equal(type, "cryptodev-vhost-user")) {
2723 return false;
2724 }
2725 #endif
2726
2727 /*
2728 * return false for concrete netfilters since
2729 * they depend on netdevs already existing
2730 */
2731 if (g_str_equal(type, "filter-buffer") ||
2732 g_str_equal(type, "filter-dump") ||
2733 g_str_equal(type, "filter-mirror") ||
2734 g_str_equal(type, "filter-redirector") ||
2735 g_str_equal(type, "colo-compare") ||
2736 g_str_equal(type, "filter-rewriter") ||
2737 g_str_equal(type, "filter-replay")) {
2738 return false;
2739 }
2740
2741 /* Memory allocation by backends needs to be done
2742 * after configure_accelerator() (due to the tcg_enabled()
2743 * checks at memory_region_init_*()).
2744 *
2745 * Also, allocation of large amounts of memory may delay
2746 * chardev initialization for too long, and trigger timeouts
2747 * on software that waits for a monitor socket to be created
2748 * (e.g. libvirt).
2749 */
2750 if (g_str_has_prefix(type, "memory-backend-")) {
2751 return false;
2752 }
2753
2754 return true;
2755 }
2756
2757
2758 /*
2759 * The remainder of object creation happens after the
2760 * creation of chardev, fsdev, net clients and device data types.
2761 */
2762 static bool object_create_delayed(const char *type)
2763 {
2764 return !object_create_initial(type);
2765 }
2766
2767
2768 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2769 MachineClass *mc)
2770 {
2771 uint64_t sz;
2772 const char *mem_str;
2773 const ram_addr_t default_ram_size = mc->default_ram_size;
2774 QemuOpts *opts = qemu_find_opts_singleton("memory");
2775 Location loc;
2776
2777 loc_push_none(&loc);
2778 qemu_opts_loc_restore(opts);
2779
2780 sz = 0;
2781 mem_str = qemu_opt_get(opts, "size");
2782 if (mem_str) {
2783 if (!*mem_str) {
2784 error_report("missing 'size' option value");
2785 exit(EXIT_FAILURE);
2786 }
2787
2788 sz = qemu_opt_get_size(opts, "size", ram_size);
2789
2790 /* Fix up legacy suffix-less format */
2791 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2792 uint64_t overflow_check = sz;
2793
2794 sz <<= 20;
2795 if ((sz >> 20) != overflow_check) {
2796 error_report("too large 'size' option value");
2797 exit(EXIT_FAILURE);
2798 }
2799 }
2800 }
2801
2802 /* backward compatibility behaviour for case "-m 0" */
2803 if (sz == 0) {
2804 sz = default_ram_size;
2805 }
2806
2807 sz = QEMU_ALIGN_UP(sz, 8192);
2808 ram_size = sz;
2809 if (ram_size != sz) {
2810 error_report("ram size too large");
2811 exit(EXIT_FAILURE);
2812 }
2813
2814 /* store value for the future use */
2815 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2816 *maxram_size = ram_size;
2817
2818 if (qemu_opt_get(opts, "maxmem")) {
2819 uint64_t slots;
2820
2821 sz = qemu_opt_get_size(opts, "maxmem", 0);
2822 slots = qemu_opt_get_number(opts, "slots", 0);
2823 if (sz < ram_size) {
2824 error_report("invalid value of -m option maxmem: "
2825 "maximum memory size (0x%" PRIx64 ") must be at least "
2826 "the initial memory size (0x" RAM_ADDR_FMT ")",
2827 sz, ram_size);
2828 exit(EXIT_FAILURE);
2829 } else if (slots && sz == ram_size) {
2830 error_report("invalid value of -m option maxmem: "
2831 "memory slots were specified but maximum memory size "
2832 "(0x%" PRIx64 ") is equal to the initial memory size "
2833 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2834 exit(EXIT_FAILURE);
2835 }
2836
2837 *maxram_size = sz;
2838 *ram_slots = slots;
2839 } else if (qemu_opt_get(opts, "slots")) {
2840 error_report("invalid -m option value: missing 'maxmem' option");
2841 exit(EXIT_FAILURE);
2842 }
2843
2844 loc_pop(&loc);
2845 }
2846
2847 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2848 {
2849 GlobalProperty *g;
2850
2851 g = g_malloc0(sizeof(*g));
2852 g->driver = qemu_opt_get(opts, "driver");
2853 g->property = qemu_opt_get(opts, "property");
2854 g->value = qemu_opt_get(opts, "value");
2855 g->user_provided = true;
2856 g->errp = &error_fatal;
2857 qdev_prop_register_global(g);
2858 return 0;
2859 }
2860
2861 static int qemu_read_default_config_file(void)
2862 {
2863 int ret;
2864
2865 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2866 if (ret < 0 && ret != -ENOENT) {
2867 return ret;
2868 }
2869
2870 return 0;
2871 }
2872
2873 static void user_register_global_props(void)
2874 {
2875 qemu_opts_foreach(qemu_find_opts("global"),
2876 global_init_func, NULL, NULL);
2877 }
2878
2879 /*
2880 * Note: we should see that these properties are actually having a
2881 * priority: accel < machine < user. This means e.g. when user
2882 * specifies something in "-global", it'll always be used with highest
2883 * priority than either machine/accelerator compat properties.
2884 */
2885 static void register_global_properties(MachineState *ms)
2886 {
2887 accel_register_compat_props(ms->accelerator);
2888 machine_register_compat_props(ms);
2889 user_register_global_props();
2890 }
2891
2892 int main(int argc, char **argv, char **envp)
2893 {
2894 int i;
2895 int snapshot, linux_boot;
2896 const char *initrd_filename;
2897 const char *kernel_filename, *kernel_cmdline;
2898 const char *boot_order = NULL;
2899 const char *boot_once = NULL;
2900 DisplayState *ds;
2901 QemuOpts *opts, *machine_opts;
2902 QemuOpts *icount_opts = NULL, *accel_opts = NULL;
2903 QemuOptsList *olist;
2904 int optind;
2905 const char *optarg;
2906 const char *loadvm = NULL;
2907 MachineClass *machine_class;
2908 const char *cpu_model;
2909 const char *vga_model = NULL;
2910 const char *qtest_chrdev = NULL;
2911 const char *qtest_log = NULL;
2912 const char *pid_file = NULL;
2913 const char *incoming = NULL;
2914 bool userconfig = true;
2915 bool nographic = false;
2916 int display_remote = 0;
2917 const char *log_mask = NULL;
2918 const char *log_file = NULL;
2919 char *trace_file = NULL;
2920 ram_addr_t maxram_size;
2921 uint64_t ram_slots = 0;
2922 FILE *vmstate_dump_file = NULL;
2923 Error *main_loop_err = NULL;
2924 Error *err = NULL;
2925 bool list_data_dirs = false;
2926 char *dir, **dirs;
2927 typedef struct BlockdevOptions_queue {
2928 BlockdevOptions *bdo;
2929 Location loc;
2930 QSIMPLEQ_ENTRY(BlockdevOptions_queue) entry;
2931 } BlockdevOptions_queue;
2932 QSIMPLEQ_HEAD(, BlockdevOptions_queue) bdo_queue
2933 = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
2934
2935 module_call_init(MODULE_INIT_TRACE);
2936
2937 qemu_init_cpu_list();
2938 qemu_init_cpu_loop();
2939
2940 qemu_mutex_lock_iothread();
2941
2942 atexit(qemu_run_exit_notifiers);
2943 error_set_progname(argv[0]);
2944 qemu_init_exec_dir(argv[0]);
2945
2946 module_call_init(MODULE_INIT_QOM);
2947
2948 qemu_add_opts(&qemu_drive_opts);
2949 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2950 qemu_add_drive_opts(&qemu_common_drive_opts);
2951 qemu_add_drive_opts(&qemu_drive_opts);
2952 qemu_add_drive_opts(&bdrv_runtime_opts);
2953 qemu_add_opts(&qemu_chardev_opts);
2954 qemu_add_opts(&qemu_device_opts);
2955 qemu_add_opts(&qemu_netdev_opts);
2956 qemu_add_opts(&qemu_nic_opts);
2957 qemu_add_opts(&qemu_net_opts);
2958 qemu_add_opts(&qemu_rtc_opts);
2959 qemu_add_opts(&qemu_global_opts);
2960 qemu_add_opts(&qemu_mon_opts);
2961 qemu_add_opts(&qemu_trace_opts);
2962 qemu_add_opts(&qemu_option_rom_opts);
2963 qemu_add_opts(&qemu_machine_opts);
2964 qemu_add_opts(&qemu_accel_opts);
2965 qemu_add_opts(&qemu_mem_opts);
2966 qemu_add_opts(&qemu_smp_opts);
2967 qemu_add_opts(&qemu_boot_opts);
2968 qemu_add_opts(&qemu_add_fd_opts);
2969 qemu_add_opts(&qemu_object_opts);
2970 qemu_add_opts(&qemu_tpmdev_opts);
2971 qemu_add_opts(&qemu_realtime_opts);
2972 qemu_add_opts(&qemu_msg_opts);
2973 qemu_add_opts(&qemu_name_opts);
2974 qemu_add_opts(&qemu_numa_opts);
2975 qemu_add_opts(&qemu_icount_opts);
2976 qemu_add_opts(&qemu_semihosting_config_opts);
2977 qemu_add_opts(&qemu_fw_cfg_opts);
2978 module_call_init(MODULE_INIT_OPTS);
2979
2980 runstate_init();
2981 postcopy_infrastructure_init();
2982 monitor_init_globals();
2983
2984 if (qcrypto_init(&err) < 0) {
2985 error_reportf_err(err, "cannot initialize crypto: ");
2986 exit(1);
2987 }
2988 rtc_clock = QEMU_CLOCK_HOST;
2989
2990 QLIST_INIT (&vm_change_state_head);
2991 os_setup_early_signal_handling();
2992
2993 cpu_model = NULL;
2994 snapshot = 0;
2995
2996 nb_nics = 0;
2997
2998 bdrv_init_with_whitelist();
2999
3000 autostart = 1;
3001
3002 /* first pass of option parsing */
3003 optind = 1;
3004 while (optind < argc) {
3005 if (argv[optind][0] != '-') {
3006 /* disk image */
3007 optind++;
3008 } else {
3009 const QEMUOption *popt;
3010
3011 popt = lookup_opt(argc, argv, &optarg, &optind);
3012 switch (popt->index) {
3013 case QEMU_OPTION_nodefconfig:
3014 case QEMU_OPTION_nouserconfig:
3015 userconfig = false;
3016 break;
3017 }
3018 }
3019 }
3020
3021 if (userconfig) {
3022 if (qemu_read_default_config_file() < 0) {
3023 exit(1);
3024 }
3025 }
3026
3027 /* second pass of option parsing */
3028 optind = 1;
3029 for(;;) {
3030 if (optind >= argc)
3031 break;
3032 if (argv[optind][0] != '-') {
3033 drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3034 } else {
3035 const QEMUOption *popt;
3036
3037 popt = lookup_opt(argc, argv, &optarg, &optind);
3038 if (!(popt->arch_mask & arch_type)) {
3039 error_report("Option not supported for this target");
3040 exit(1);
3041 }
3042 switch(popt->index) {
3043 case QEMU_OPTION_cpu:
3044 /* hw initialization will check this */
3045 cpu_model = optarg;
3046 break;
3047 case QEMU_OPTION_hda:
3048 case QEMU_OPTION_hdb:
3049 case QEMU_OPTION_hdc:
3050 case QEMU_OPTION_hdd:
3051 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3052 HD_OPTS);
3053 break;
3054 case QEMU_OPTION_blockdev:
3055 {
3056 Visitor *v;
3057 BlockdevOptions_queue *bdo;
3058
3059 v = qobject_input_visitor_new_str(optarg, "driver", &err);
3060 if (!v) {
3061 error_report_err(err);
3062 exit(1);
3063 }
3064
3065 bdo = g_new(BlockdevOptions_queue, 1);
3066 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3067 &error_fatal);
3068 visit_free(v);
3069 loc_save(&bdo->loc);
3070 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3071 break;
3072 }
3073 case QEMU_OPTION_drive:
3074 if (drive_def(optarg) == NULL) {
3075 exit(1);
3076 }
3077 break;
3078 case QEMU_OPTION_set:
3079 if (qemu_set_option(optarg) != 0)
3080 exit(1);
3081 break;
3082 case QEMU_OPTION_global:
3083 if (qemu_global_option(optarg) != 0)
3084 exit(1);
3085 break;
3086 case QEMU_OPTION_mtdblock:
3087 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3088 break;
3089 case QEMU_OPTION_sd:
3090 drive_add(IF_SD, -1, optarg, SD_OPTS);
3091 break;
3092 case QEMU_OPTION_pflash:
3093 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3094 break;
3095 case QEMU_OPTION_snapshot:
3096 snapshot = 1;
3097 break;
3098 case QEMU_OPTION_numa:
3099 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3100 optarg, true);
3101 if (!opts) {
3102 exit(1);
3103 }
3104 break;
3105 case QEMU_OPTION_display:
3106 parse_display(optarg);
3107 break;
3108 case QEMU_OPTION_nographic:
3109 olist = qemu_find_opts("machine");
3110 qemu_opts_parse_noisily(olist, "graphics=off", false);
3111 nographic = true;
3112 dpy.type = DISPLAY_TYPE_NONE;
3113 break;
3114 case QEMU_OPTION_curses:
3115 #ifdef CONFIG_CURSES
3116 dpy.type = DISPLAY_TYPE_CURSES;
3117 #else
3118 error_report("curses support is disabled");
3119 exit(1);
3120 #endif
3121 break;
3122 case QEMU_OPTION_portrait:
3123 graphic_rotate = 90;
3124 break;
3125 case QEMU_OPTION_rotate:
3126 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3127 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3128 graphic_rotate != 180 && graphic_rotate != 270) {
3129 error_report("only 90, 180, 270 deg rotation is available");
3130 exit(1);
3131 }
3132 break;
3133 case QEMU_OPTION_kernel:
3134 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3135 &error_abort);
3136 break;
3137 case QEMU_OPTION_initrd:
3138 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3139 &error_abort);
3140 break;
3141 case QEMU_OPTION_append:
3142 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3143 &error_abort);
3144 break;
3145 case QEMU_OPTION_dtb:
3146 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3147 &error_abort);
3148 break;
3149 case QEMU_OPTION_cdrom:
3150 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3151 break;
3152 case QEMU_OPTION_boot:
3153 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3154 optarg, true);
3155 if (!opts) {
3156 exit(1);
3157 }
3158 break;
3159 case QEMU_OPTION_fda:
3160 case QEMU_OPTION_fdb:
3161 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3162 optarg, FD_OPTS);
3163 break;
3164 case QEMU_OPTION_no_fd_bootchk:
3165 fd_bootchk = 0;
3166 break;
3167 case QEMU_OPTION_netdev:
3168 default_net = 0;
3169 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3170 exit(1);
3171 }
3172 break;
3173 case QEMU_OPTION_nic:
3174 default_net = 0;
3175 if (net_client_parse(qemu_find_opts("nic"), optarg) == -1) {
3176 exit(1);
3177 }
3178 break;
3179 case QEMU_OPTION_net:
3180 default_net = 0;
3181 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3182 exit(1);
3183 }
3184 break;
3185 #ifdef CONFIG_LIBISCSI
3186 case QEMU_OPTION_iscsi:
3187 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3188 optarg, false);
3189 if (!opts) {
3190 exit(1);
3191 }
3192 break;
3193 #endif
3194 #ifdef CONFIG_SLIRP
3195 case QEMU_OPTION_tftp:
3196 error_report("The -tftp option is deprecated. "
3197 "Please use '-netdev user,tftp=...' instead.");
3198 legacy_tftp_prefix = optarg;
3199 break;
3200 case QEMU_OPTION_bootp:
3201 error_report("The -bootp option is deprecated. "
3202 "Please use '-netdev user,bootfile=...' instead.");
3203 legacy_bootp_filename = optarg;
3204 break;
3205 case QEMU_OPTION_redir:
3206 error_report("The -redir option is deprecated. "
3207 "Please use '-netdev user,hostfwd=...' instead.");
3208 if (net_slirp_redir(optarg) < 0)
3209 exit(1);
3210 break;
3211 #endif
3212 case QEMU_OPTION_bt:
3213 add_device_config(DEV_BT, optarg);
3214 break;
3215 case QEMU_OPTION_audio_help:
3216 AUD_help ();
3217 exit (0);
3218 break;
3219 case QEMU_OPTION_soundhw:
3220 select_soundhw (optarg);
3221 break;
3222 case QEMU_OPTION_h:
3223 help(0);
3224 break;
3225 case QEMU_OPTION_version:
3226 version();
3227 exit(0);
3228 break;
3229 case QEMU_OPTION_m:
3230 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3231 optarg, true);
3232 if (!opts) {
3233 exit(EXIT_FAILURE);
3234 }
3235 break;
3236 #ifdef CONFIG_TPM
3237 case QEMU_OPTION_tpmdev:
3238 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3239 exit(1);
3240 }
3241 break;
3242 #endif
3243 case QEMU_OPTION_mempath:
3244 mem_path = optarg;
3245 break;
3246 case QEMU_OPTION_mem_prealloc:
3247 mem_prealloc = 1;
3248 break;
3249 case QEMU_OPTION_d:
3250 log_mask = optarg;
3251 break;
3252 case QEMU_OPTION_D:
3253 log_file = optarg;
3254 break;
3255 case QEMU_OPTION_DFILTER:
3256 qemu_set_dfilter_ranges(optarg, &error_fatal);
3257 break;
3258 case QEMU_OPTION_s:
3259 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3260 break;
3261 case QEMU_OPTION_gdb:
3262 add_device_config(DEV_GDB, optarg);
3263 break;
3264 case QEMU_OPTION_L:
3265 if (is_help_option(optarg)) {
3266 list_data_dirs = true;
3267 } else {
3268 qemu_add_data_dir(optarg);
3269 }
3270 break;
3271 case QEMU_OPTION_bios:
3272 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3273 &error_abort);
3274 break;
3275 case QEMU_OPTION_singlestep:
3276 singlestep = 1;
3277 break;
3278 case QEMU_OPTION_S:
3279 autostart = 0;
3280 break;
3281 case QEMU_OPTION_k:
3282 keyboard_layout = optarg;
3283 break;
3284 case QEMU_OPTION_localtime:
3285 rtc_utc = 0;
3286 warn_report("This option is deprecated, "
3287 "use '-rtc base=localtime' instead.");
3288 break;
3289 case QEMU_OPTION_vga:
3290 vga_model = optarg;
3291 default_vga = 0;
3292 break;
3293 case QEMU_OPTION_g:
3294 {
3295 const char *p;
3296 int w, h, depth;
3297 p = optarg;
3298 w = strtol(p, (char **)&p, 10);
3299 if (w <= 0) {
3300 graphic_error:
3301 error_report("invalid resolution or depth");
3302 exit(1);
3303 }
3304 if (*p != 'x')
3305 goto graphic_error;
3306 p++;
3307 h = strtol(p, (char **)&p, 10);
3308 if (h <= 0)
3309 goto graphic_error;
3310 if (*p == 'x') {
3311 p++;
3312 depth = strtol(p, (char **)&p, 10);
3313 if (depth != 8 && depth != 15 && depth != 16 &&
3314 depth != 24 && depth != 32)
3315 goto graphic_error;
3316 } else if (*p == '\0') {
3317 depth = graphic_depth;
3318 } else {
3319 goto graphic_error;
3320 }
3321
3322 graphic_width = w;
3323 graphic_height = h;
3324 graphic_depth = depth;
3325 }
3326 break;
3327 case QEMU_OPTION_echr:
3328 {
3329 char *r;
3330 term_escape_char = strtol(optarg, &r, 0);
3331 if (r == optarg)
3332 printf("Bad argument to echr\n");
3333 break;
3334 }
3335 case QEMU_OPTION_monitor:
3336 default_monitor = 0;
3337 if (strncmp(optarg, "none", 4)) {
3338 monitor_parse(optarg, "readline", false);
3339 }
3340 break;
3341 case QEMU_OPTION_qmp:
3342 monitor_parse(optarg, "control", false);
3343 default_monitor = 0;
3344 break;
3345 case QEMU_OPTION_qmp_pretty:
3346 monitor_parse(optarg, "control", true);
3347 default_monitor = 0;
3348 break;
3349 case QEMU_OPTION_mon:
3350 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3351 true);
3352 if (!opts) {
3353 exit(1);
3354 }
3355 default_monitor = 0;
3356 break;
3357 case QEMU_OPTION_chardev:
3358 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3359 optarg, true);
3360 if (!opts) {
3361 exit(1);
3362 }
3363 break;
3364 case QEMU_OPTION_fsdev:
3365 olist = qemu_find_opts("fsdev");
3366 if (!olist) {
3367 error_report("fsdev support is disabled");
3368 exit(1);
3369 }
3370 opts = qemu_opts_parse_noisily(olist, optarg, true);
3371 if (!opts) {
3372 exit(1);
3373 }
3374 break;
3375 case QEMU_OPTION_virtfs: {
3376 QemuOpts *fsdev;
3377 QemuOpts *device;
3378 const char *writeout, *sock_fd, *socket, *path, *security_model;
3379
3380 olist = qemu_find_opts("virtfs");
3381 if (!olist) {
3382 error_report("virtfs support is disabled");
3383 exit(1);
3384 }
3385 opts = qemu_opts_parse_noisily(olist, optarg, true);
3386 if (!opts) {
3387 exit(1);
3388 }
3389
3390 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3391 qemu_opt_get(opts, "mount_tag") == NULL) {
3392 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3393 exit(1);
3394 }
3395 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3396 qemu_opts_id(opts) ?:
3397 qemu_opt_get(opts, "mount_tag"),
3398 1, NULL);
3399 if (!fsdev) {
3400 error_report("duplicate or invalid fsdev id: %s",
3401 qemu_opt_get(opts, "mount_tag"));
3402 exit(1);
3403 }
3404
3405 writeout = qemu_opt_get(opts, "writeout");
3406 if (writeout) {
3407 #ifdef CONFIG_SYNC_FILE_RANGE
3408 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3409 #else
3410 error_report("writeout=immediate not supported "
3411 "on this platform");
3412 exit(1);
3413 #endif
3414 }
3415 qemu_opt_set(fsdev, "fsdriver",
3416 qemu_opt_get(opts, "fsdriver"), &error_abort);
3417 path = qemu_opt_get(opts, "path");
3418 if (path) {
3419 qemu_opt_set(fsdev, "path", path, &error_abort);
3420 }
3421 security_model = qemu_opt_get(opts, "security_model");
3422 if (security_model) {
3423 qemu_opt_set(fsdev, "security_model", security_model,
3424 &error_abort);
3425 }
3426 socket = qemu_opt_get(opts, "socket");
3427 if (socket) {
3428 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3429 }
3430 sock_fd = qemu_opt_get(opts, "sock_fd");
3431 if (sock_fd) {
3432 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3433 }
3434
3435 qemu_opt_set_bool(fsdev, "readonly",
3436 qemu_opt_get_bool(opts, "readonly", 0),
3437 &error_abort);
3438 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3439 &error_abort);
3440 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3441 qemu_opt_set(device, "fsdev",
3442 qemu_opts_id(fsdev), &error_abort);
3443 qemu_opt_set(device, "mount_tag",
3444 qemu_opt_get(opts, "mount_tag"), &error_abort);
3445 break;
3446 }
3447 case QEMU_OPTION_virtfs_synth: {
3448 QemuOpts *fsdev;
3449 QemuOpts *device;
3450
3451 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3452 1, NULL);
3453 if (!fsdev) {
3454 error_report("duplicate option: %s", "virtfs_synth");
3455 exit(1);
3456 }
3457 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3458
3459 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3460 &error_abort);
3461 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3462 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3463 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3464 break;
3465 }
3466 case QEMU_OPTION_serial:
3467 add_device_config(DEV_SERIAL, optarg);
3468 default_serial = 0;
3469 if (strncmp(optarg, "mon:", 4) == 0) {
3470 default_monitor = 0;
3471 }
3472 break;
3473 case QEMU_OPTION_watchdog:
3474 if (watchdog) {
3475 error_report("only one watchdog option may be given");
3476 return 1;
3477 }
3478 watchdog = optarg;
3479 break;
3480 case QEMU_OPTION_watchdog_action:
3481 if (select_watchdog_action(optarg) == -1) {
3482 error_report("unknown -watchdog-action parameter");
3483 exit(1);
3484 }
3485 break;
3486 case QEMU_OPTION_virtiocon:
3487 warn_report("This option is deprecated, "
3488 "use '-device virtconsole' instead");
3489 add_device_config(DEV_VIRTCON, optarg);
3490 default_virtcon = 0;
3491 if (strncmp(optarg, "mon:", 4) == 0) {
3492 default_monitor = 0;
3493 }
3494 break;
3495 case QEMU_OPTION_parallel:
3496 add_device_config(DEV_PARALLEL, optarg);
3497 default_parallel = 0;
3498 if (strncmp(optarg, "mon:", 4) == 0) {
3499 default_monitor = 0;
3500 }
3501 break;
3502 case QEMU_OPTION_debugcon:
3503 add_device_config(DEV_DEBUGCON, optarg);
3504 break;
3505 case QEMU_OPTION_loadvm:
3506 loadvm = optarg;
3507 break;
3508 case QEMU_OPTION_full_screen:
3509 dpy.has_full_screen = true;
3510 dpy.full_screen = true;
3511 break;
3512 case QEMU_OPTION_no_frame:
3513 g_printerr("The -no-frame switch is deprecated, and will be\n"
3514 "removed in a future release.\n");
3515 no_frame = 1;
3516 break;
3517 case QEMU_OPTION_alt_grab:
3518 alt_grab = 1;
3519 break;
3520 case QEMU_OPTION_ctrl_grab:
3521 ctrl_grab = 1;
3522 break;
3523 case QEMU_OPTION_no_quit:
3524 dpy.has_window_close = true;
3525 dpy.window_close = false;
3526 break;
3527 case QEMU_OPTION_sdl:
3528 #ifdef CONFIG_SDL
3529 dpy.type = DISPLAY_TYPE_SDL;
3530 break;
3531 #else
3532 error_report("SDL support is disabled");
3533 exit(1);
3534 #endif
3535 case QEMU_OPTION_pidfile:
3536 pid_file = optarg;
3537 break;
3538 case QEMU_OPTION_win2k_hack:
3539 win2k_install_hack = 1;
3540 break;
3541 case QEMU_OPTION_rtc_td_hack: {
3542 static GlobalProperty slew_lost_ticks = {
3543 .driver = "mc146818rtc",
3544 .property = "lost_tick_policy",
3545 .value = "slew",
3546 };
3547
3548 qdev_prop_register_global(&slew_lost_ticks);
3549 warn_report("This option is deprecated, "
3550 "use '-rtc driftfix=slew' instead.");
3551 break;
3552 }
3553 case QEMU_OPTION_acpitable:
3554 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3555 optarg, true);
3556 if (!opts) {
3557 exit(1);
3558 }
3559 acpi_table_add(opts, &error_fatal);
3560 break;
3561 case QEMU_OPTION_smbios:
3562 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3563 optarg, false);
3564 if (!opts) {
3565 exit(1);
3566 }
3567 smbios_entry_add(opts, &error_fatal);
3568 break;
3569 case QEMU_OPTION_fwcfg:
3570 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3571 optarg, true);
3572 if (opts == NULL) {
3573 exit(1);
3574 }
3575 break;
3576 case QEMU_OPTION_preconfig:
3577 preconfig_exit_requested = false;
3578 break;
3579 case QEMU_OPTION_enable_kvm:
3580 olist = qemu_find_opts("machine");
3581 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3582 break;
3583 case QEMU_OPTION_enable_hax:
3584 olist = qemu_find_opts("machine");
3585 qemu_opts_parse_noisily(olist, "accel=hax", false);
3586 break;
3587 case QEMU_OPTION_M:
3588 case QEMU_OPTION_machine:
3589 olist = qemu_find_opts("machine");
3590 opts = qemu_opts_parse_noisily(olist, optarg, true);
3591 if (!opts) {
3592 exit(1);
3593 }
3594 break;
3595 case QEMU_OPTION_no_kvm:
3596 olist = qemu_find_opts("machine");
3597 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3598 break;
3599 case QEMU_OPTION_accel:
3600 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3601 optarg, true);
3602 optarg = qemu_opt_get(accel_opts, "accel");
3603 if (!optarg || is_help_option(optarg)) {
3604 error_printf("Possible accelerators: kvm, xen, hax, tcg\n");
3605 exit(0);
3606 }
3607 opts = qemu_opts_create(qemu_find_opts("machine"), NULL,
3608 false, &error_abort);
3609 qemu_opt_set(opts, "accel", optarg, &error_abort);
3610 break;
3611 case QEMU_OPTION_usb:
3612 olist = qemu_find_opts("machine");
3613 qemu_opts_parse_noisily(olist, "usb=on", false);
3614 break;
3615 case QEMU_OPTION_usbdevice:
3616 error_report("'-usbdevice' is deprecated, please use "
3617 "'-device usb-...' instead");
3618 olist = qemu_find_opts("machine");
3619 qemu_opts_parse_noisily(olist, "usb=on", false);
3620 add_device_config(DEV_USB, optarg);
3621 break;
3622 case QEMU_OPTION_device:
3623 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3624 optarg, true)) {
3625 exit(1);
3626 }
3627 break;
3628 case QEMU_OPTION_smp:
3629 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3630 optarg, true)) {
3631 exit(1);
3632 }
3633 break;
3634 case QEMU_OPTION_vnc:
3635 vnc_parse(optarg, &error_fatal);
3636 break;
3637 case QEMU_OPTION_no_acpi:
3638 acpi_enabled = 0;
3639 break;
3640 case QEMU_OPTION_no_hpet:
3641 no_hpet = 1;
3642 break;
3643 case QEMU_OPTION_balloon:
3644 if (balloon_parse(optarg) < 0) {
3645 error_report("unknown -balloon argument %s", optarg);
3646 exit(1);
3647 }
3648 break;
3649 case QEMU_OPTION_no_reboot:
3650 no_reboot = 1;
3651 break;
3652 case QEMU_OPTION_no_shutdown:
3653 no_shutdown = 1;
3654 break;
3655 case QEMU_OPTION_show_cursor:
3656 cursor_hide = 0;
3657 break;
3658 case QEMU_OPTION_uuid:
3659 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3660 error_report("failed to parse UUID string: wrong format");
3661 exit(1);
3662 }
3663 qemu_uuid_set = true;
3664 break;
3665 case QEMU_OPTION_option_rom:
3666 if (nb_option_roms >= MAX_OPTION_ROMS) {
3667 error_report("too many option ROMs");
3668 exit(1);
3669 }
3670 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3671 optarg, true);
3672 if (!opts) {
3673 exit(1);
3674 }
3675 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3676 option_rom[nb_option_roms].bootindex =
3677 qemu_opt_get_number(opts, "bootindex", -1);
3678 if (!option_rom[nb_option_roms].name) {
3679 error_report("Option ROM file is not specified");
3680 exit(1);
3681 }
3682 nb_option_roms++;
3683 break;
3684 case QEMU_OPTION_semihosting:
3685 semihosting.enabled = true;
3686 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3687 break;
3688 case QEMU_OPTION_semihosting_config:
3689 semihosting.enabled = true;
3690 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3691 optarg, false);
3692 if (opts != NULL) {
3693 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3694 true);
3695 const char *target = qemu_opt_get(opts, "target");
3696 if (target != NULL) {
3697 if (strcmp("native", target) == 0) {
3698 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3699 } else if (strcmp("gdb", target) == 0) {
3700 semihosting.target = SEMIHOSTING_TARGET_GDB;
3701 } else if (strcmp("auto", target) == 0) {
3702 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3703 } else {
3704 error_report("unsupported semihosting-config %s",
3705 optarg);
3706 exit(1);
3707 }
3708 } else {
3709 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3710 }
3711 /* Set semihosting argument count and vector */
3712 qemu_opt_foreach(opts, add_semihosting_arg,
3713 &semihosting, NULL);
3714 } else {
3715 error_report("unsupported semihosting-config %s", optarg);
3716 exit(1);
3717 }
3718 break;
3719 case QEMU_OPTION_name:
3720 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3721 optarg, true);
3722 if (!opts) {
3723 exit(1);
3724 }
3725 break;
3726 case QEMU_OPTION_prom_env:
3727 if (nb_prom_envs >= MAX_PROM_ENVS) {
3728 error_report("too many prom variables");
3729 exit(1);
3730 }
3731 prom_envs[nb_prom_envs] = optarg;
3732 nb_prom_envs++;
3733 break;
3734 case QEMU_OPTION_old_param:
3735 old_param = 1;
3736 break;
3737 case QEMU_OPTION_clock:
3738 /* Clock options no longer exist. Keep this option for
3739 * backward compatibility.
3740 */
3741 warn_report("This option is ignored and will be removed soon");
3742 break;
3743 case QEMU_OPTION_startdate:
3744 warn_report("This option is deprecated, use '-rtc base=' instead.");
3745 configure_rtc_date_offset(optarg, 1);
3746 break;
3747 case QEMU_OPTION_rtc:
3748 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3749 false);
3750 if (!opts) {
3751 exit(1);
3752 }
3753 configure_rtc(opts);
3754 break;
3755 case QEMU_OPTION_tb_size:
3756 #ifndef CONFIG_TCG
3757 error_report("TCG is disabled");
3758 exit(1);
3759 #endif
3760 if (qemu_strtoul(optarg, NULL, 0, &tcg_tb_size) < 0) {
3761 error_report("Invalid argument to -tb-size");
3762 exit(1);
3763 }
3764 break;
3765 case QEMU_OPTION_icount:
3766 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3767 optarg, true);
3768 if (!icount_opts) {
3769 exit(1);
3770 }
3771 break;
3772 case QEMU_OPTION_incoming:
3773 if (!incoming) {
3774 runstate_set(RUN_STATE_INMIGRATE);
3775 }
3776 incoming = optarg;
3777 break;
3778 case QEMU_OPTION_only_migratable:
3779 /*
3780 * TODO: we can remove this option one day, and we
3781 * should all use:
3782 *
3783 * "-global migration.only-migratable=true"
3784 */
3785 qemu_global_option("migration.only-migratable=true");
3786 break;
3787 case QEMU_OPTION_nodefaults:
3788 has_defaults = 0;
3789 break;
3790 case QEMU_OPTION_xen_domid:
3791 if (!(xen_available())) {
3792 error_report("Option not supported for this target");
3793 exit(1);
3794 }
3795 xen_domid = atoi(optarg);
3796 break;
3797 case QEMU_OPTION_xen_create:
3798 if (!(xen_available())) {
3799 error_report("Option not supported for this target");
3800 exit(1);
3801 }
3802 xen_mode = XEN_CREATE;
3803 break;
3804 case QEMU_OPTION_xen_attach:
3805 if (!(xen_available())) {
3806 error_report("Option not supported for this target");
3807 exit(1);
3808 }
3809 xen_mode = XEN_ATTACH;
3810 break;
3811 case QEMU_OPTION_xen_domid_restrict:
3812 if (!(xen_available())) {
3813 error_report("Option not supported for this target");
3814 exit(1);
3815 }
3816 xen_domid_restrict = true;
3817 break;
3818 case QEMU_OPTION_trace:
3819 g_free(trace_file);
3820 trace_file = trace_opt_parse(optarg);
3821 break;
3822 case QEMU_OPTION_readconfig:
3823 {
3824 int ret = qemu_read_config_file(optarg);
3825 if (ret < 0) {
3826 error_report("read config %s: %s", optarg,
3827 strerror(-ret));
3828 exit(1);
3829 }
3830 break;
3831 }
3832 case QEMU_OPTION_spice:
3833 olist = qemu_find_opts("spice");
3834 if (!olist) {
3835 error_report("spice support is disabled");
3836 exit(1);
3837 }
3838 opts = qemu_opts_parse_noisily(olist, optarg, false);
3839 if (!opts) {
3840 exit(1);
3841 }
3842 display_remote++;
3843 break;
3844 case QEMU_OPTION_writeconfig:
3845 {
3846 FILE *fp;
3847 if (strcmp(optarg, "-") == 0) {
3848 fp = stdout;
3849 } else {
3850 fp = fopen(optarg, "w");
3851 if (fp == NULL) {
3852 error_report("open %s: %s", optarg,
3853 strerror(errno));
3854 exit(1);
3855 }
3856 }
3857 qemu_config_write(fp);
3858 if (fp != stdout) {
3859 fclose(fp);
3860 }
3861 break;
3862 }
3863 case QEMU_OPTION_qtest:
3864 qtest_chrdev = optarg;
3865 break;
3866 case QEMU_OPTION_qtest_log:
3867 qtest_log = optarg;
3868 break;
3869 case QEMU_OPTION_sandbox:
3870 #ifdef CONFIG_SECCOMP
3871 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3872 optarg, true);
3873 if (!opts) {
3874 exit(1);
3875 }
3876 #else
3877 error_report("-sandbox support is not enabled "
3878 "in this QEMU binary");
3879 exit(1);
3880 #endif
3881 break;
3882 case QEMU_OPTION_add_fd:
3883 #ifndef _WIN32
3884 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3885 optarg, false);
3886 if (!opts) {
3887 exit(1);
3888 }
3889 #else
3890 error_report("File descriptor passing is disabled on this "
3891 "platform");
3892 exit(1);
3893 #endif
3894 break;
3895 case QEMU_OPTION_object:
3896 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3897 optarg, true);
3898 if (!opts) {
3899 exit(1);
3900 }
3901 break;
3902 case QEMU_OPTION_realtime:
3903 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3904 optarg, false);
3905 if (!opts) {
3906 exit(1);
3907 }
3908 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3909 break;
3910 case QEMU_OPTION_msg:
3911 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3912 false);
3913 if (!opts) {
3914 exit(1);
3915 }
3916 configure_msg(opts);
3917 break;
3918 case QEMU_OPTION_dump_vmstate:
3919 if (vmstate_dump_file) {
3920 error_report("only one '-dump-vmstate' "
3921 "option may be given");
3922 exit(1);
3923 }
3924 vmstate_dump_file = fopen(optarg, "w");
3925 if (vmstate_dump_file == NULL) {
3926 error_report("open %s: %s", optarg, strerror(errno));
3927 exit(1);
3928 }
3929 break;
3930 case QEMU_OPTION_nodefconfig:
3931 case QEMU_OPTION_nouserconfig:
3932 /* Nothing to be parsed here. Especially, do not error out below. */
3933 break;
3934 default:
3935 if (os_parse_cmd_args(popt->index, optarg)) {
3936 error_report("Option not supported in this build");
3937 exit(1);
3938 }
3939 }
3940 }
3941 }
3942 /*
3943 * Clear error location left behind by the loop.
3944 * Best done right after the loop. Do not insert code here!
3945 */
3946 loc_set_none();
3947
3948 replay_configure(icount_opts);
3949
3950 if (incoming && !preconfig_exit_requested) {
3951 error_report("'preconfig' and 'incoming' options are "
3952 "mutually exclusive");
3953 exit(EXIT_FAILURE);
3954 }
3955
3956 machine_class = select_machine();
3957
3958 set_memory_options(&ram_slots, &maxram_size, machine_class);
3959
3960 os_daemonize();
3961 rcu_disable_atfork();
3962
3963 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3964 error_report("could not acquire pid file: %s", strerror(errno));
3965 exit(1);
3966 }
3967
3968 if (qemu_init_main_loop(&main_loop_err)) {
3969 error_report_err(main_loop_err);
3970 exit(1);
3971 }
3972
3973 #ifdef CONFIG_SECCOMP
3974 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
3975 parse_sandbox, NULL, NULL)) {
3976 exit(1);
3977 }
3978 #endif
3979
3980 if (qemu_opts_foreach(qemu_find_opts("name"),
3981 parse_name, NULL, NULL)) {
3982 exit(1);
3983 }
3984
3985 #ifndef _WIN32
3986 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
3987 parse_add_fd, NULL, NULL)) {
3988 exit(1);
3989 }
3990
3991 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
3992 cleanup_add_fd, NULL, NULL)) {
3993 exit(1);
3994 }
3995 #endif
3996
3997 current_machine = MACHINE(object_new(object_class_get_name(
3998 OBJECT_CLASS(machine_class))));
3999 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4000 exit(0);
4001 }
4002 object_property_add_child(object_get_root(), "machine",
4003 OBJECT(current_machine), &error_abort);
4004
4005 if (machine_class->minimum_page_bits) {
4006 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4007 /* This would be a board error: specifying a minimum smaller than
4008 * a target's compile-time fixed setting.
4009 */
4010 g_assert_not_reached();
4011 }
4012 }
4013
4014 cpu_exec_init_all();
4015
4016 if (machine_class->hw_version) {
4017 qemu_set_hw_version(machine_class->hw_version);
4018 }
4019
4020 if (cpu_model && is_help_option(cpu_model)) {
4021 list_cpus(stdout, &fprintf, cpu_model);
4022 exit(0);
4023 }
4024
4025 if (!trace_init_backends()) {
4026 exit(1);
4027 }
4028 trace_init_file(trace_file);
4029
4030 /* Open the logfile at this point and set the log mask if necessary.
4031 */
4032 if (log_file) {
4033 qemu_set_log_filename(log_file, &error_fatal);
4034 }
4035
4036 if (log_mask) {
4037 int mask;
4038 mask = qemu_str_to_log_mask(log_mask);
4039 if (!mask) {
4040 qemu_print_log_usage(stdout);
4041 exit(1);
4042 }
4043 qemu_set_log(mask);
4044 } else {
4045 qemu_set_log(0);
4046 }
4047
4048 /* add configured firmware directories */
4049 dirs = g_strsplit(CONFIG_QEMU_FIRMWAREPATH, G_SEARCHPATH_SEPARATOR_S, 0);
4050 for (i = 0; dirs[i] != NULL; i++) {
4051 qemu_add_data_dir(dirs[i]);
4052 }
4053 g_strfreev(dirs);
4054
4055 /* try to find datadir relative to the executable path */
4056 dir = os_find_datadir();
4057 qemu_add_data_dir(dir);
4058 g_free(dir);
4059
4060 /* add the datadir specified when building */
4061 qemu_add_data_dir(CONFIG_QEMU_DATADIR);
4062
4063 /* -L help lists the data directories and exits. */
4064 if (list_data_dirs) {
4065 for (i = 0; i < data_dir_idx; i++) {
4066 printf("%s\n", data_dir[i]);
4067 }
4068 exit(0);
4069 }
4070
4071 /* machine_class: default to UP */
4072 machine_class->max_cpus = machine_class->max_cpus ?: 1;
4073 machine_class->min_cpus = machine_class->min_cpus ?: 1;
4074 machine_class->default_cpus = machine_class->default_cpus ?: 1;
4075
4076 /* default to machine_class->default_cpus */
4077 smp_cpus = machine_class->default_cpus;
4078 max_cpus = machine_class->default_cpus;
4079
4080 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4081
4082 /* sanity-check smp_cpus and max_cpus against machine_class */
4083 if (smp_cpus < machine_class->min_cpus) {
4084 error_report("Invalid SMP CPUs %d. The min CPUs "
4085 "supported by machine '%s' is %d", smp_cpus,
4086 machine_class->name, machine_class->min_cpus);
4087 exit(1);
4088 }
4089 if (max_cpus > machine_class->max_cpus) {
4090 error_report("Invalid SMP CPUs %d. The max CPUs "
4091 "supported by machine '%s' is %d", max_cpus,
4092 machine_class->name, machine_class->max_cpus);
4093 exit(1);
4094 }
4095
4096 /*
4097 * Get the default machine options from the machine if it is not already
4098 * specified either by the configuration file or by the command line.
4099 */
4100 if (machine_class->default_machine_opts) {
4101 qemu_opts_set_defaults(qemu_find_opts("machine"),
4102 machine_class->default_machine_opts, 0);
4103 }
4104
4105 qemu_opts_foreach(qemu_find_opts("device"),
4106 default_driver_check, NULL, NULL);
4107 qemu_opts_foreach(qemu_find_opts("global"),
4108 default_driver_check, NULL, NULL);
4109
4110 if (!vga_model && !default_vga) {
4111 vga_interface_type = VGA_DEVICE;
4112 }
4113 if (!has_defaults || machine_class->no_serial) {
4114 default_serial = 0;
4115 }
4116 if (!has_defaults || machine_class->no_parallel) {
4117 default_parallel = 0;
4118 }
4119 if (!has_defaults || !machine_class->use_virtcon) {
4120 default_virtcon = 0;
4121 }
4122 if (!has_defaults || machine_class->no_floppy) {
4123 default_floppy = 0;
4124 }
4125 if (!has_defaults || machine_class->no_cdrom) {
4126 default_cdrom = 0;
4127 }
4128 if (!has_defaults || machine_class->no_sdcard) {
4129 default_sdcard = 0;
4130 }
4131 if (!has_defaults) {
4132 default_monitor = 0;
4133 default_net = 0;
4134 default_vga = 0;
4135 }
4136
4137 if (is_daemonized()) {
4138 if (!preconfig_exit_requested) {
4139 error_report("'preconfig' and 'daemonize' options are "
4140 "mutually exclusive");
4141 exit(EXIT_FAILURE);
4142 }
4143
4144 /* According to documentation and historically, -nographic redirects
4145 * serial port, parallel port and monitor to stdio, which does not work
4146 * with -daemonize. We can redirect these to null instead, but since
4147 * -nographic is legacy, let's just error out.
4148 * We disallow -nographic only if all other ports are not redirected
4149 * explicitly, to not break existing legacy setups which uses
4150 * -nographic _and_ redirects all ports explicitly - this is valid
4151 * usage, -nographic is just a no-op in this case.
4152 */
4153 if (nographic
4154 && (default_parallel || default_serial
4155 || default_monitor || default_virtcon)) {
4156 error_report("-nographic cannot be used with -daemonize");
4157 exit(1);
4158 }
4159 #ifdef CONFIG_CURSES
4160 if (dpy.type == DISPLAY_TYPE_CURSES) {
4161 error_report("curses display cannot be used with -daemonize");
4162 exit(1);
4163 }
4164 #endif
4165 }
4166
4167 if (nographic) {
4168 if (default_parallel)
4169 add_device_config(DEV_PARALLEL, "null");
4170 if (default_serial && default_monitor) {
4171 add_device_config(DEV_SERIAL, "mon:stdio");
4172 } else if (default_virtcon && default_monitor) {
4173 add_device_config(DEV_VIRTCON, "mon:stdio");
4174 } else {
4175 if (default_serial)
4176 add_device_config(DEV_SERIAL, "stdio");
4177 if (default_virtcon)
4178 add_device_config(DEV_VIRTCON, "stdio");
4179 if (default_monitor)
4180 monitor_parse("stdio", "readline", false);
4181 }
4182 } else {
4183 if (default_serial)
4184 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4185 if (default_parallel)
4186 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4187 if (default_monitor)
4188 monitor_parse("vc:80Cx24C", "readline", false);
4189 if (default_virtcon)
4190 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4191 }
4192
4193 #if defined(CONFIG_VNC)
4194 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4195 display_remote++;
4196 }
4197 #endif
4198 if (dpy.type == DISPLAY_TYPE_DEFAULT && !display_remote) {
4199 if (!qemu_display_find_default(&dpy)) {
4200 dpy.type = DISPLAY_TYPE_NONE;
4201 #if defined(CONFIG_VNC)
4202 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4203 #endif
4204 }
4205 }
4206 if (dpy.type == DISPLAY_TYPE_DEFAULT) {
4207 dpy.type = DISPLAY_TYPE_NONE;
4208 }
4209
4210 if ((no_frame || alt_grab || ctrl_grab) && dpy.type != DISPLAY_TYPE_SDL) {
4211 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4212 "for SDL, ignoring option");
4213 }
4214 if (dpy.has_window_close &&
4215 (dpy.type != DISPLAY_TYPE_GTK && dpy.type != DISPLAY_TYPE_SDL)) {
4216 error_report("-no-quit is only valid for GTK and SDL, "
4217 "ignoring option");
4218 }
4219
4220 qemu_display_early_init(&dpy);
4221 qemu_console_early_init();
4222
4223 if (dpy.has_gl && dpy.gl != DISPLAYGL_MODE_OFF && display_opengl == 0) {
4224 #if defined(CONFIG_OPENGL)
4225 error_report("OpenGL is not supported by the display");
4226 #else
4227 error_report("OpenGL support is disabled");
4228 #endif
4229 exit(1);
4230 }
4231
4232 page_size_init();
4233 socket_init();
4234
4235 if (qemu_opts_foreach(qemu_find_opts("object"),
4236 user_creatable_add_opts_foreach,
4237 object_create_initial, NULL)) {
4238 exit(1);
4239 }
4240
4241 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4242 chardev_init_func, NULL, NULL)) {
4243 exit(1);
4244 }
4245
4246 #ifdef CONFIG_VIRTFS
4247 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4248 fsdev_init_func, NULL, NULL)) {
4249 exit(1);
4250 }
4251 #endif
4252
4253 if (qemu_opts_foreach(qemu_find_opts("device"),
4254 device_help_func, NULL, NULL)) {
4255 exit(0);
4256 }
4257
4258 machine_opts = qemu_get_machine_opts();
4259 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4260 NULL)) {
4261 object_unref(OBJECT(current_machine));
4262 exit(1);
4263 }
4264
4265 configure_accelerator(current_machine);
4266
4267 if (!qtest_enabled() && machine_class->deprecation_reason) {
4268 error_report("Machine type '%s' is deprecated: %s",
4269 machine_class->name, machine_class->deprecation_reason);
4270 }
4271
4272 /*
4273 * Register all the global properties, including accel properties,
4274 * machine properties, and user-specified ones.
4275 */
4276 register_global_properties(current_machine);
4277
4278 /*
4279 * Migration object can only be created after global properties
4280 * are applied correctly.
4281 */
4282 migration_object_init();
4283
4284 if (qtest_chrdev) {
4285 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4286 }
4287
4288 machine_opts = qemu_get_machine_opts();
4289 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4290 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4291 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4292 bios_name = qemu_opt_get(machine_opts, "firmware");
4293
4294 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4295 if (opts) {
4296 boot_order = qemu_opt_get(opts, "order");
4297 if (boot_order) {
4298 validate_bootdevices(boot_order, &error_fatal);
4299 }
4300
4301 boot_once = qemu_opt_get(opts, "once");
4302 if (boot_once) {
4303 validate_bootdevices(boot_once, &error_fatal);
4304 }
4305
4306 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4307 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4308 }
4309
4310 if (!boot_order) {
4311 boot_order = machine_class->default_boot_order;
4312 }
4313
4314 if (!kernel_cmdline) {
4315 kernel_cmdline = "";
4316 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4317 }
4318
4319 linux_boot = (kernel_filename != NULL);
4320
4321 if (!linux_boot && *kernel_cmdline != '\0') {
4322 error_report("-append only allowed with -kernel option");
4323 exit(1);
4324 }
4325
4326 if (!linux_boot && initrd_filename != NULL) {
4327 error_report("-initrd only allowed with -kernel option");
4328 exit(1);
4329 }
4330
4331 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4332 /* fall back to the -kernel/-append */
4333 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4334 }
4335
4336 os_set_line_buffering();
4337
4338 /* spice needs the timers to be initialized by this point */
4339 qemu_spice_init();
4340
4341 cpu_ticks_init();
4342 if (icount_opts) {
4343 if (!tcg_enabled()) {
4344 error_report("-icount is not allowed with hardware virtualization");
4345 exit(1);
4346 }
4347 configure_icount(icount_opts, &error_abort);
4348 qemu_opts_del(icount_opts);
4349 }
4350
4351 if (tcg_enabled()) {
4352 qemu_tcg_configure(accel_opts, &error_fatal);
4353 }
4354
4355 if (default_net) {
4356 QemuOptsList *net = qemu_find_opts("net");
4357 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4358 #ifdef CONFIG_SLIRP
4359 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4360 #endif
4361 }
4362
4363 colo_info_init();
4364
4365 if (net_init_clients(&err) < 0) {
4366 error_report_err(err);
4367 exit(1);
4368 }
4369
4370 if (qemu_opts_foreach(qemu_find_opts("object"),
4371 user_creatable_add_opts_foreach,
4372 object_create_delayed, NULL)) {
4373 exit(1);
4374 }
4375
4376 if (tpm_init() < 0) {
4377 exit(1);
4378 }
4379
4380 /* init the bluetooth world */
4381 if (foreach_device_config(DEV_BT, bt_parse))
4382 exit(1);
4383
4384 if (!xen_enabled()) {
4385 /* On 32-bit hosts, QEMU is limited by virtual address space */
4386 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4387 error_report("at most 2047 MB RAM can be simulated");
4388 exit(1);
4389 }
4390 }
4391
4392 blk_mig_init();
4393 ram_mig_init();
4394 dirty_bitmap_mig_init();
4395
4396 /* If the currently selected machine wishes to override the units-per-bus
4397 * property of its default HBA interface type, do so now. */
4398 if (machine_class->units_per_default_bus) {
4399 override_max_devs(machine_class->block_default_type,
4400 machine_class->units_per_default_bus);
4401 }
4402
4403 /* open the virtual block devices */
4404 while (!QSIMPLEQ_EMPTY(&bdo_queue)) {
4405 BlockdevOptions_queue *bdo = QSIMPLEQ_FIRST(&bdo_queue);
4406
4407 QSIMPLEQ_REMOVE_HEAD(&bdo_queue, entry);
4408 loc_push_restore(&bdo->loc);
4409 qmp_blockdev_add(bdo->bdo, &error_fatal);
4410 loc_pop(&bdo->loc);
4411 qapi_free_BlockdevOptions(bdo->bdo);
4412 g_free(bdo);
4413 }
4414 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4415 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4416 NULL, NULL);
4417 }
4418 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4419 &machine_class->block_default_type, NULL)) {
4420 exit(1);
4421 }
4422
4423 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4424 CDROM_OPTS);
4425 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4426 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4427
4428 if (qemu_opts_foreach(qemu_find_opts("mon"),
4429 mon_init_func, NULL, NULL)) {
4430 exit(1);
4431 }
4432
4433 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4434 exit(1);
4435 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4436 exit(1);
4437 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4438 exit(1);
4439 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4440 exit(1);
4441
4442 /* If no default VGA is requested, the default is "none". */
4443 if (default_vga) {
4444 if (machine_class->default_display) {
4445 vga_model = machine_class->default_display;
4446 } else if (vga_interface_available(VGA_CIRRUS)) {
4447 vga_model = "cirrus";
4448 } else if (vga_interface_available(VGA_STD)) {
4449 vga_model = "std";
4450 }
4451 }
4452 if (vga_model) {
4453 select_vgahw(vga_model);
4454 }
4455
4456 if (watchdog) {
4457 i = select_watchdog(watchdog);
4458 if (i > 0)
4459 exit (i == 1 ? 1 : 0);
4460 }
4461
4462 /* This checkpoint is required by replay to separate prior clock
4463 reading from the other reads, because timer polling functions query
4464 clock values from the log. */
4465 replay_checkpoint(CHECKPOINT_INIT);
4466 qdev_machine_init();
4467
4468 current_machine->ram_size = ram_size;
4469 current_machine->maxram_size = maxram_size;
4470 current_machine->ram_slots = ram_slots;
4471 current_machine->boot_order = boot_order;
4472
4473 /* parse features once if machine provides default cpu_type */
4474 current_machine->cpu_type = machine_class->default_cpu_type;
4475 if (cpu_model) {
4476 current_machine->cpu_type = parse_cpu_model(cpu_model);
4477 }
4478 parse_numa_opts(current_machine);
4479
4480 /* do monitor/qmp handling at preconfig state if requested */
4481 main_loop();
4482
4483 /* from here on runstate is RUN_STATE_PRELAUNCH */
4484 machine_run_board_init(current_machine);
4485
4486 realtime_init();
4487
4488 soundhw_init();
4489
4490 if (hax_enabled()) {
4491 hax_sync_vcpus();
4492 }
4493
4494 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4495 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4496 exit(1);
4497 }
4498
4499 /* init USB devices */
4500 if (machine_usb(current_machine)) {
4501 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4502 exit(1);
4503 }
4504
4505 /* Check if IGD GFX passthrough. */
4506 igd_gfx_passthru();
4507
4508 /* init generic devices */
4509 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4510 if (qemu_opts_foreach(qemu_find_opts("device"),
4511 device_init_func, NULL, NULL)) {
4512 exit(1);
4513 }
4514
4515 cpu_synchronize_all_post_init();
4516
4517 rom_reset_order_override();
4518
4519 /* Did we create any drives that we failed to create a device for? */
4520 drive_check_orphaned();
4521
4522 /* Don't warn about the default network setup that you get if
4523 * no command line -net or -netdev options are specified. There
4524 * are two cases that we would otherwise complain about:
4525 * (1) board doesn't support a NIC but the implicit "-net nic"
4526 * requested one
4527 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4528 * sets up a nic that isn't connected to anything.
4529 */
4530 if (!default_net) {
4531 net_check_clients();
4532 }
4533
4534
4535 if (boot_once) {
4536 qemu_boot_set(boot_once, &error_fatal);
4537 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4538 }
4539
4540 /* init local displays */
4541 ds = init_displaystate();
4542 qemu_display_init(ds, &dpy);
4543
4544 /* must be after terminal init, SDL library changes signal handlers */
4545 os_setup_signal_handling();
4546
4547 /* init remote displays */
4548 #ifdef CONFIG_VNC
4549 qemu_opts_foreach(qemu_find_opts("vnc"),
4550 vnc_init_func, NULL, NULL);
4551 #endif
4552
4553 if (using_spice) {
4554 qemu_spice_display_init();
4555 }
4556
4557 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4558 exit(1);
4559 }
4560
4561 qdev_machine_creation_done();
4562
4563 /* TODO: once all bus devices are qdevified, this should be done
4564 * when bus is created by qdev.c */
4565 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4566 qemu_run_machine_init_done_notifiers();
4567
4568 if (rom_check_and_register_reset() != 0) {
4569 error_report("rom check and register reset failed");
4570 exit(1);
4571 }
4572
4573 replay_start();
4574
4575 /* This checkpoint is required by replay to separate prior clock
4576 reading from the other reads, because timer polling functions query
4577 clock values from the log. */
4578 replay_checkpoint(CHECKPOINT_RESET);
4579 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
4580 register_global_state();
4581 if (replay_mode != REPLAY_MODE_NONE) {
4582 replay_vmstate_init();
4583 } else if (loadvm) {
4584 Error *local_err = NULL;
4585 if (load_snapshot(loadvm, &local_err) < 0) {
4586 error_report_err(local_err);
4587 autostart = 0;
4588 }
4589 }
4590
4591 qdev_prop_check_globals();
4592 if (vmstate_dump_file) {
4593 /* dump and exit */
4594 dump_vmstate_json_to_file(vmstate_dump_file);
4595 return 0;
4596 }
4597
4598 if (incoming) {
4599 Error *local_err = NULL;
4600 qemu_start_incoming_migration(incoming, &local_err);
4601 if (local_err) {
4602 error_reportf_err(local_err, "-incoming %s: ", incoming);
4603 exit(1);
4604 }
4605 } else if (autostart) {
4606 vm_start();
4607 }
4608
4609 accel_setup_post(current_machine);
4610 os_setup_post();
4611
4612 main_loop();
4613
4614 gdbserver_cleanup();
4615
4616 /* No more vcpu or device emulation activity beyond this point */
4617 vm_shutdown();
4618
4619 job_cancel_sync_all();
4620 bdrv_close_all();
4621
4622 res_free();
4623
4624 /* vhost-user must be cleaned up before chardevs. */
4625 tpm_cleanup();
4626 net_cleanup();
4627 audio_cleanup();
4628 monitor_cleanup();
4629 qemu_chr_cleanup();
4630 user_creatable_cleanup();
4631 migration_object_finalize();
4632 /* TODO: unref root container, check all devices are ok */
4633
4634 return 0;
4635 }
AR7 emulation for QEMU