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block/iscsi: avoid potential overflow of acb->task->cdb
[qemu.git] / vl.c
blob5db5dc2881539fc75c53754d7fa85ac80fbb951c
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include "qemu/osdep.h"
25 #include "qemu/cutils.h"
26 #include "qemu/help_option.h"
27
28 #ifdef CONFIG_SECCOMP
29 #include "sysemu/seccomp.h"
30 #endif
31
32 #if defined(CONFIG_VDE)
33 #include <libvdeplug.h>
34 #endif
35
36 #ifdef CONFIG_SDL
37 #if defined(__APPLE__) || defined(main)
38 #include <SDL.h>
39 int qemu_main(int argc, char **argv, char **envp);
40 int main(int argc, char **argv)
41 {
42 return qemu_main(argc, argv, NULL);
43 }
44 #undef main
45 #define main qemu_main
46 #endif
47 #endif /* CONFIG_SDL */
48
49 #ifdef CONFIG_COCOA
50 #undef main
51 #define main qemu_main
52 #endif /* CONFIG_COCOA */
53
54 #include <glib.h>
55
56 #include "qemu/error-report.h"
57 #include "qemu/sockets.h"
58 #include "hw/hw.h"
59 #include "hw/boards.h"
60 #include "sysemu/accel.h"
61 #include "hw/usb.h"
62 #include "hw/i386/pc.h"
63 #include "hw/isa/isa.h"
64 #include "hw/bt.h"
65 #include "sysemu/watchdog.h"
66 #include "hw/smbios/smbios.h"
67 #include "hw/xen/xen.h"
68 #include "hw/qdev.h"
69 #include "hw/loader.h"
70 #include "monitor/qdev.h"
71 #include "sysemu/bt.h"
72 #include "net/net.h"
73 #include "net/slirp.h"
74 #include "monitor/monitor.h"
75 #include "ui/console.h"
76 #include "ui/input.h"
77 #include "sysemu/sysemu.h"
78 #include "sysemu/numa.h"
79 #include "exec/gdbstub.h"
80 #include "qemu/timer.h"
81 #include "sysemu/char.h"
82 #include "qemu/bitmap.h"
83 #include "sysemu/blockdev.h"
84 #include "hw/block/block.h"
85 #include "migration/block.h"
86 #include "sysemu/tpm.h"
87 #include "sysemu/dma.h"
88 #include "audio/audio.h"
89 #include "migration/migration.h"
90 #include "sysemu/kvm.h"
91 #include "qapi/qmp/qjson.h"
92 #include "qemu/option.h"
93 #include "qemu/config-file.h"
94 #include "qemu-options.h"
95 #include "qmp-commands.h"
96 #include "qemu/main-loop.h"
97 #ifdef CONFIG_VIRTFS
98 #include "fsdev/qemu-fsdev.h"
99 #endif
100 #include "sysemu/qtest.h"
101
102 #include "disas/disas.h"
103
104
105 #include "slirp/libslirp.h"
106
107 #include "trace.h"
108 #include "trace/control.h"
109 #include "qemu/queue.h"
110 #include "sysemu/cpus.h"
111 #include "sysemu/arch_init.h"
112
113 #include "ui/qemu-spice.h"
114 #include "qapi/string-input-visitor.h"
115 #include "qapi/opts-visitor.h"
116 #include "qom/object_interfaces.h"
117 #include "qapi-event.h"
118 #include "exec/semihost.h"
119 #include "crypto/init.h"
120 #include "sysemu/replay.h"
121 #include "qapi/qmp/qerror.h"
122
123 #define MAX_VIRTIO_CONSOLES 1
124 #define MAX_SCLP_CONSOLES 1
125
126 static const char *data_dir[16];
127 static int data_dir_idx;
128 const char *bios_name = NULL;
129 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
130 DisplayType display_type = DT_DEFAULT;
131 int request_opengl = -1;
132 int display_opengl;
133 static int display_remote;
134 const char* keyboard_layout = NULL;
135 ram_addr_t ram_size;
136 const char *mem_path = NULL;
137 int mem_prealloc = 0; /* force preallocation of physical target memory */
138 bool enable_mlock = false;
139 int nb_nics;
140 NICInfo nd_table[MAX_NICS];
141 int autostart;
142 static int rtc_utc = 1;
143 static int rtc_date_offset = -1; /* -1 means no change */
144 QEMUClockType rtc_clock;
145 int vga_interface_type = VGA_NONE;
146 static int full_screen = 0;
147 static int no_frame = 0;
148 int no_quit = 0;
149 #ifdef CONFIG_GTK
150 static bool grab_on_hover;
151 #endif
152 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
153 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
154 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
155 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
156 int win2k_install_hack = 0;
157 int singlestep = 0;
158 int smp_cpus = 1;
159 int max_cpus = 0;
160 int smp_cores = 1;
161 int smp_threads = 1;
162 int acpi_enabled = 1;
163 int no_hpet = 0;
164 int fd_bootchk = 1;
165 static int no_reboot;
166 int no_shutdown = 0;
167 int cursor_hide = 1;
168 int graphic_rotate = 0;
169 const char *watchdog;
170 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
171 int nb_option_roms;
172 int old_param = 0;
173 const char *qemu_name;
174 int alt_grab = 0;
175 int ctrl_grab = 0;
176 unsigned int nb_prom_envs = 0;
177 const char *prom_envs[MAX_PROM_ENVS];
178 int boot_menu;
179 bool boot_strict;
180 uint8_t *boot_splash_filedata;
181 size_t boot_splash_filedata_size;
182 uint8_t qemu_extra_params_fw[2];
183
184 int icount_align_option;
185
186 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
187 * little-endian "wire format" described in the SMBIOS 2.6 specification.
188 */
189 uint8_t qemu_uuid[16];
190 bool qemu_uuid_set;
191
192 static NotifierList exit_notifiers =
193 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
194
195 static NotifierList machine_init_done_notifiers =
196 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
197
198 bool xen_allowed;
199 uint32_t xen_domid;
200 enum xen_mode xen_mode = XEN_EMULATE;
201
202 static int has_defaults = 1;
203 static int default_serial = 1;
204 static int default_parallel = 1;
205 static int default_virtcon = 1;
206 static int default_sclp = 1;
207 static int default_monitor = 1;
208 static int default_floppy = 1;
209 static int default_cdrom = 1;
210 static int default_sdcard = 1;
211 static int default_vga = 1;
212
213 static struct {
214 const char *driver;
215 int *flag;
216 } default_list[] = {
217 { .driver = "isa-serial", .flag = &default_serial },
218 { .driver = "isa-parallel", .flag = &default_parallel },
219 { .driver = "isa-fdc", .flag = &default_floppy },
220 { .driver = "ide-cd", .flag = &default_cdrom },
221 { .driver = "ide-hd", .flag = &default_cdrom },
222 { .driver = "ide-drive", .flag = &default_cdrom },
223 { .driver = "scsi-cd", .flag = &default_cdrom },
224 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
225 { .driver = "virtio-serial", .flag = &default_virtcon },
226 { .driver = "VGA", .flag = &default_vga },
227 { .driver = "isa-vga", .flag = &default_vga },
228 { .driver = "cirrus-vga", .flag = &default_vga },
229 { .driver = "isa-cirrus-vga", .flag = &default_vga },
230 { .driver = "vmware-svga", .flag = &default_vga },
231 { .driver = "qxl-vga", .flag = &default_vga },
232 { .driver = "virtio-vga", .flag = &default_vga },
233 };
234
235 static QemuOptsList qemu_rtc_opts = {
236 .name = "rtc",
237 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
238 .desc = {
239 {
240 .name = "base",
241 .type = QEMU_OPT_STRING,
242 },{
243 .name = "clock",
244 .type = QEMU_OPT_STRING,
245 },{
246 .name = "driftfix",
247 .type = QEMU_OPT_STRING,
248 },
249 { /* end of list */ }
250 },
251 };
252
253 static QemuOptsList qemu_sandbox_opts = {
254 .name = "sandbox",
255 .implied_opt_name = "enable",
256 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
257 .desc = {
258 {
259 .name = "enable",
260 .type = QEMU_OPT_BOOL,
261 },
262 { /* end of list */ }
263 },
264 };
265
266 static QemuOptsList qemu_trace_opts = {
267 .name = "trace",
268 .implied_opt_name = "enable",
269 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
270 .desc = {
271 {
272 .name = "enable",
273 .type = QEMU_OPT_STRING,
274 },
275 {
276 .name = "events",
277 .type = QEMU_OPT_STRING,
278 },{
279 .name = "file",
280 .type = QEMU_OPT_STRING,
281 },
282 { /* end of list */ }
283 },
284 };
285
286 static QemuOptsList qemu_option_rom_opts = {
287 .name = "option-rom",
288 .implied_opt_name = "romfile",
289 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
290 .desc = {
291 {
292 .name = "bootindex",
293 .type = QEMU_OPT_NUMBER,
294 }, {
295 .name = "romfile",
296 .type = QEMU_OPT_STRING,
297 },
298 { /* end of list */ }
299 },
300 };
301
302 static QemuOptsList qemu_machine_opts = {
303 .name = "machine",
304 .implied_opt_name = "type",
305 .merge_lists = true,
306 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
307 .desc = {
308 /*
309 * no elements => accept any
310 * sanity checking will happen later
311 * when setting machine properties
312 */
313 { }
314 },
315 };
316
317 static QemuOptsList qemu_boot_opts = {
318 .name = "boot-opts",
319 .implied_opt_name = "order",
320 .merge_lists = true,
321 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
322 .desc = {
323 {
324 .name = "order",
325 .type = QEMU_OPT_STRING,
326 }, {
327 .name = "once",
328 .type = QEMU_OPT_STRING,
329 }, {
330 .name = "menu",
331 .type = QEMU_OPT_BOOL,
332 }, {
333 .name = "splash",
334 .type = QEMU_OPT_STRING,
335 }, {
336 .name = "splash-time",
337 .type = QEMU_OPT_STRING,
338 }, {
339 .name = "reboot-timeout",
340 .type = QEMU_OPT_STRING,
341 }, {
342 .name = "strict",
343 .type = QEMU_OPT_BOOL,
344 },
345 { /*End of list */ }
346 },
347 };
348
349 static QemuOptsList qemu_add_fd_opts = {
350 .name = "add-fd",
351 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
352 .desc = {
353 {
354 .name = "fd",
355 .type = QEMU_OPT_NUMBER,
356 .help = "file descriptor of which a duplicate is added to fd set",
357 },{
358 .name = "set",
359 .type = QEMU_OPT_NUMBER,
360 .help = "ID of the fd set to add fd to",
361 },{
362 .name = "opaque",
363 .type = QEMU_OPT_STRING,
364 .help = "free-form string used to describe fd",
365 },
366 { /* end of list */ }
367 },
368 };
369
370 static QemuOptsList qemu_object_opts = {
371 .name = "object",
372 .implied_opt_name = "qom-type",
373 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
374 .desc = {
375 { }
376 },
377 };
378
379 static QemuOptsList qemu_tpmdev_opts = {
380 .name = "tpmdev",
381 .implied_opt_name = "type",
382 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
383 .desc = {
384 /* options are defined in the TPM backends */
385 { /* end of list */ }
386 },
387 };
388
389 static QemuOptsList qemu_realtime_opts = {
390 .name = "realtime",
391 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
392 .desc = {
393 {
394 .name = "mlock",
395 .type = QEMU_OPT_BOOL,
396 },
397 { /* end of list */ }
398 },
399 };
400
401 static QemuOptsList qemu_msg_opts = {
402 .name = "msg",
403 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
404 .desc = {
405 {
406 .name = "timestamp",
407 .type = QEMU_OPT_BOOL,
408 },
409 { /* end of list */ }
410 },
411 };
412
413 static QemuOptsList qemu_name_opts = {
414 .name = "name",
415 .implied_opt_name = "guest",
416 .merge_lists = true,
417 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
418 .desc = {
419 {
420 .name = "guest",
421 .type = QEMU_OPT_STRING,
422 .help = "Sets the name of the guest.\n"
423 "This name will be displayed in the SDL window caption.\n"
424 "The name will also be used for the VNC server",
425 }, {
426 .name = "process",
427 .type = QEMU_OPT_STRING,
428 .help = "Sets the name of the QEMU process, as shown in top etc",
429 }, {
430 .name = "debug-threads",
431 .type = QEMU_OPT_BOOL,
432 .help = "When enabled, name the individual threads; defaults off.\n"
433 "NOTE: The thread names are for debugging and not a\n"
434 "stable API.",
435 },
436 { /* End of list */ }
437 },
438 };
439
440 static QemuOptsList qemu_mem_opts = {
441 .name = "memory",
442 .implied_opt_name = "size",
443 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
444 .merge_lists = true,
445 .desc = {
446 {
447 .name = "size",
448 .type = QEMU_OPT_SIZE,
449 },
450 {
451 .name = "slots",
452 .type = QEMU_OPT_NUMBER,
453 },
454 {
455 .name = "maxmem",
456 .type = QEMU_OPT_SIZE,
457 },
458 { /* end of list */ }
459 },
460 };
461
462 static QemuOptsList qemu_icount_opts = {
463 .name = "icount",
464 .implied_opt_name = "shift",
465 .merge_lists = true,
466 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
467 .desc = {
468 {
469 .name = "shift",
470 .type = QEMU_OPT_STRING,
471 }, {
472 .name = "align",
473 .type = QEMU_OPT_BOOL,
474 }, {
475 .name = "sleep",
476 .type = QEMU_OPT_BOOL,
477 }, {
478 .name = "rr",
479 .type = QEMU_OPT_STRING,
480 }, {
481 .name = "rrfile",
482 .type = QEMU_OPT_STRING,
483 },
484 { /* end of list */ }
485 },
486 };
487
488 static QemuOptsList qemu_semihosting_config_opts = {
489 .name = "semihosting-config",
490 .implied_opt_name = "enable",
491 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
492 .desc = {
493 {
494 .name = "enable",
495 .type = QEMU_OPT_BOOL,
496 }, {
497 .name = "target",
498 .type = QEMU_OPT_STRING,
499 }, {
500 .name = "arg",
501 .type = QEMU_OPT_STRING,
502 },
503 { /* end of list */ }
504 },
505 };
506
507 static QemuOptsList qemu_fw_cfg_opts = {
508 .name = "fw_cfg",
509 .implied_opt_name = "name",
510 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
511 .desc = {
512 {
513 .name = "name",
514 .type = QEMU_OPT_STRING,
515 .help = "Sets the fw_cfg name of the blob to be inserted",
516 }, {
517 .name = "file",
518 .type = QEMU_OPT_STRING,
519 .help = "Sets the name of the file from which\n"
520 "the fw_cfg blob will be loaded",
521 }, {
522 .name = "string",
523 .type = QEMU_OPT_STRING,
524 .help = "Sets content of the blob to be inserted from a string",
525 },
526 { /* end of list */ }
527 },
528 };
529
530 /**
531 * Get machine options
532 *
533 * Returns: machine options (never null).
534 */
535 QemuOpts *qemu_get_machine_opts(void)
536 {
537 return qemu_find_opts_singleton("machine");
538 }
539
540 const char *qemu_get_vm_name(void)
541 {
542 return qemu_name;
543 }
544
545 static void res_free(void)
546 {
547 g_free(boot_splash_filedata);
548 boot_splash_filedata = NULL;
549 }
550
551 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
552 {
553 const char *driver = qemu_opt_get(opts, "driver");
554 int i;
555
556 if (!driver)
557 return 0;
558 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
559 if (strcmp(default_list[i].driver, driver) != 0)
560 continue;
561 *(default_list[i].flag) = 0;
562 }
563 return 0;
564 }
565
566 /***********************************************************/
567 /* QEMU state */
568
569 static RunState current_run_state = RUN_STATE_PRELAUNCH;
570
571 /* We use RUN_STATE__MAX but any invalid value will do */
572 static RunState vmstop_requested = RUN_STATE__MAX;
573 static QemuMutex vmstop_lock;
574
575 typedef struct {
576 RunState from;
577 RunState to;
578 } RunStateTransition;
579
580 static const RunStateTransition runstate_transitions_def[] = {
581 /* from -> to */
582 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
583 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
584 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
585
586 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
587 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
588 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
589 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
590 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
591 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
592 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
593 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
594 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
595 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
596 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
597
598 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
599 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
600 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
601
602 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
603 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
604 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
605
606 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
607 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
608 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
609
610 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
611 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
612 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
613
614 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
615 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
616 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
617
618 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
619 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
620 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
621
622 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
623 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
624
625 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
626 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
627 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
628 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
629 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
630 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
631 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
632 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
633 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
634 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
635
636 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
637
638 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
639 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
640 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
641
642 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
643 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
644 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
645 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
646 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
647
648 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
649 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
650 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
651
652 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
653 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
654 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
655
656 { RUN_STATE__MAX, RUN_STATE__MAX },
657 };
658
659 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
660
661 bool runstate_check(RunState state)
662 {
663 return current_run_state == state;
664 }
665
666 bool runstate_store(char *str, size_t size)
667 {
668 const char *state = RunState_lookup[current_run_state];
669 size_t len = strlen(state) + 1;
670
671 if (len > size) {
672 return false;
673 }
674 memcpy(str, state, len);
675 return true;
676 }
677
678 static void runstate_init(void)
679 {
680 const RunStateTransition *p;
681
682 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
683 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
684 runstate_valid_transitions[p->from][p->to] = true;
685 }
686
687 qemu_mutex_init(&vmstop_lock);
688 }
689
690 /* This function will abort() on invalid state transitions */
691 void runstate_set(RunState new_state)
692 {
693 assert(new_state < RUN_STATE__MAX);
694
695 if (current_run_state == new_state) {
696 return;
697 }
698
699 if (!runstate_valid_transitions[current_run_state][new_state]) {
700 error_report("invalid runstate transition: '%s' -> '%s'",
701 RunState_lookup[current_run_state],
702 RunState_lookup[new_state]);
703 abort();
704 }
705 trace_runstate_set(new_state);
706 current_run_state = new_state;
707 }
708
709 int runstate_is_running(void)
710 {
711 return runstate_check(RUN_STATE_RUNNING);
712 }
713
714 bool runstate_needs_reset(void)
715 {
716 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
717 runstate_check(RUN_STATE_SHUTDOWN);
718 }
719
720 StatusInfo *qmp_query_status(Error **errp)
721 {
722 StatusInfo *info = g_malloc0(sizeof(*info));
723
724 info->running = runstate_is_running();
725 info->singlestep = singlestep;
726 info->status = current_run_state;
727
728 return info;
729 }
730
731 static bool qemu_vmstop_requested(RunState *r)
732 {
733 qemu_mutex_lock(&vmstop_lock);
734 *r = vmstop_requested;
735 vmstop_requested = RUN_STATE__MAX;
736 qemu_mutex_unlock(&vmstop_lock);
737 return *r < RUN_STATE__MAX;
738 }
739
740 void qemu_system_vmstop_request_prepare(void)
741 {
742 qemu_mutex_lock(&vmstop_lock);
743 }
744
745 void qemu_system_vmstop_request(RunState state)
746 {
747 vmstop_requested = state;
748 qemu_mutex_unlock(&vmstop_lock);
749 qemu_notify_event();
750 }
751
752 void vm_start(void)
753 {
754 RunState requested;
755
756 qemu_vmstop_requested(&requested);
757 if (runstate_is_running() && requested == RUN_STATE__MAX) {
758 return;
759 }
760
761 /* Ensure that a STOP/RESUME pair of events is emitted if a
762 * vmstop request was pending. The BLOCK_IO_ERROR event, for
763 * example, according to documentation is always followed by
764 * the STOP event.
765 */
766 if (runstate_is_running()) {
767 qapi_event_send_stop(&error_abort);
768 } else {
769 cpu_enable_ticks();
770 runstate_set(RUN_STATE_RUNNING);
771 vm_state_notify(1, RUN_STATE_RUNNING);
772 resume_all_vcpus();
773 }
774
775 qapi_event_send_resume(&error_abort);
776 }
777
778
779 /***********************************************************/
780 /* real time host monotonic timer */
781
782 static time_t qemu_time(void)
783 {
784 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
785 }
786
787 /***********************************************************/
788 /* host time/date access */
789 void qemu_get_timedate(struct tm *tm, int offset)
790 {
791 time_t ti = qemu_time();
792
793 ti += offset;
794 if (rtc_date_offset == -1) {
795 if (rtc_utc)
796 gmtime_r(&ti, tm);
797 else
798 localtime_r(&ti, tm);
799 } else {
800 ti -= rtc_date_offset;
801 gmtime_r(&ti, tm);
802 }
803 }
804
805 int qemu_timedate_diff(struct tm *tm)
806 {
807 time_t seconds;
808
809 if (rtc_date_offset == -1)
810 if (rtc_utc)
811 seconds = mktimegm(tm);
812 else {
813 struct tm tmp = *tm;
814 tmp.tm_isdst = -1; /* use timezone to figure it out */
815 seconds = mktime(&tmp);
816 }
817 else
818 seconds = mktimegm(tm) + rtc_date_offset;
819
820 return seconds - qemu_time();
821 }
822
823 static void configure_rtc_date_offset(const char *startdate, int legacy)
824 {
825 time_t rtc_start_date;
826 struct tm tm;
827
828 if (!strcmp(startdate, "now") && legacy) {
829 rtc_date_offset = -1;
830 } else {
831 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
832 &tm.tm_year,
833 &tm.tm_mon,
834 &tm.tm_mday,
835 &tm.tm_hour,
836 &tm.tm_min,
837 &tm.tm_sec) == 6) {
838 /* OK */
839 } else if (sscanf(startdate, "%d-%d-%d",
840 &tm.tm_year,
841 &tm.tm_mon,
842 &tm.tm_mday) == 3) {
843 tm.tm_hour = 0;
844 tm.tm_min = 0;
845 tm.tm_sec = 0;
846 } else {
847 goto date_fail;
848 }
849 tm.tm_year -= 1900;
850 tm.tm_mon--;
851 rtc_start_date = mktimegm(&tm);
852 if (rtc_start_date == -1) {
853 date_fail:
854 error_report("invalid date format");
855 error_printf("valid formats: "
856 "'2006-06-17T16:01:21' or '2006-06-17'\n");
857 exit(1);
858 }
859 rtc_date_offset = qemu_time() - rtc_start_date;
860 }
861 }
862
863 static void configure_rtc(QemuOpts *opts)
864 {
865 const char *value;
866
867 value = qemu_opt_get(opts, "base");
868 if (value) {
869 if (!strcmp(value, "utc")) {
870 rtc_utc = 1;
871 } else if (!strcmp(value, "localtime")) {
872 Error *blocker = NULL;
873 rtc_utc = 0;
874 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
875 "-rtc base=localtime");
876 replay_add_blocker(blocker);
877 } else {
878 configure_rtc_date_offset(value, 0);
879 }
880 }
881 value = qemu_opt_get(opts, "clock");
882 if (value) {
883 if (!strcmp(value, "host")) {
884 rtc_clock = QEMU_CLOCK_HOST;
885 } else if (!strcmp(value, "rt")) {
886 rtc_clock = QEMU_CLOCK_REALTIME;
887 } else if (!strcmp(value, "vm")) {
888 rtc_clock = QEMU_CLOCK_VIRTUAL;
889 } else {
890 error_report("invalid option value '%s'", value);
891 exit(1);
892 }
893 }
894 value = qemu_opt_get(opts, "driftfix");
895 if (value) {
896 if (!strcmp(value, "slew")) {
897 static GlobalProperty slew_lost_ticks[] = {
898 {
899 .driver = "mc146818rtc",
900 .property = "lost_tick_policy",
901 .value = "slew",
902 },
903 { /* end of list */ }
904 };
905
906 qdev_prop_register_global_list(slew_lost_ticks);
907 } else if (!strcmp(value, "none")) {
908 /* discard is default */
909 } else {
910 error_report("invalid option value '%s'", value);
911 exit(1);
912 }
913 }
914 }
915
916 /***********************************************************/
917 /* Bluetooth support */
918 static int nb_hcis;
919 static int cur_hci;
920 static struct HCIInfo *hci_table[MAX_NICS];
921
922 struct HCIInfo *qemu_next_hci(void)
923 {
924 if (cur_hci == nb_hcis)
925 return &null_hci;
926
927 return hci_table[cur_hci++];
928 }
929
930 static int bt_hci_parse(const char *str)
931 {
932 struct HCIInfo *hci;
933 bdaddr_t bdaddr;
934
935 if (nb_hcis >= MAX_NICS) {
936 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
937 return -1;
938 }
939
940 hci = hci_init(str);
941 if (!hci)
942 return -1;
943
944 bdaddr.b[0] = 0x52;
945 bdaddr.b[1] = 0x54;
946 bdaddr.b[2] = 0x00;
947 bdaddr.b[3] = 0x12;
948 bdaddr.b[4] = 0x34;
949 bdaddr.b[5] = 0x56 + nb_hcis;
950 hci->bdaddr_set(hci, bdaddr.b);
951
952 hci_table[nb_hcis++] = hci;
953
954 return 0;
955 }
956
957 static void bt_vhci_add(int vlan_id)
958 {
959 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
960
961 if (!vlan->slave)
962 error_report("warning: adding a VHCI to an empty scatternet %i",
963 vlan_id);
964
965 bt_vhci_init(bt_new_hci(vlan));
966 }
967
968 static struct bt_device_s *bt_device_add(const char *opt)
969 {
970 struct bt_scatternet_s *vlan;
971 int vlan_id = 0;
972 char *endp = strstr(opt, ",vlan=");
973 int len = (endp ? endp - opt : strlen(opt)) + 1;
974 char devname[10];
975
976 pstrcpy(devname, MIN(sizeof(devname), len), opt);
977
978 if (endp) {
979 vlan_id = strtol(endp + 6, &endp, 0);
980 if (*endp) {
981 error_report("unrecognised bluetooth vlan Id");
982 return 0;
983 }
984 }
985
986 vlan = qemu_find_bt_vlan(vlan_id);
987
988 if (!vlan->slave)
989 error_report("warning: adding a slave device to an empty scatternet %i",
990 vlan_id);
991
992 if (!strcmp(devname, "keyboard"))
993 return bt_keyboard_init(vlan);
994
995 error_report("unsupported bluetooth device '%s'", devname);
996 return 0;
997 }
998
999 static int bt_parse(const char *opt)
1000 {
1001 const char *endp, *p;
1002 int vlan;
1003
1004 if (strstart(opt, "hci", &endp)) {
1005 if (!*endp || *endp == ',') {
1006 if (*endp)
1007 if (!strstart(endp, ",vlan=", 0))
1008 opt = endp + 1;
1009
1010 return bt_hci_parse(opt);
1011 }
1012 } else if (strstart(opt, "vhci", &endp)) {
1013 if (!*endp || *endp == ',') {
1014 if (*endp) {
1015 if (strstart(endp, ",vlan=", &p)) {
1016 vlan = strtol(p, (char **) &endp, 0);
1017 if (*endp) {
1018 error_report("bad scatternet '%s'", p);
1019 return 1;
1020 }
1021 } else {
1022 error_report("bad parameter '%s'", endp + 1);
1023 return 1;
1024 }
1025 } else
1026 vlan = 0;
1027
1028 bt_vhci_add(vlan);
1029 return 0;
1030 }
1031 } else if (strstart(opt, "device:", &endp))
1032 return !bt_device_add(endp);
1033
1034 error_report("bad bluetooth parameter '%s'", opt);
1035 return 1;
1036 }
1037
1038 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1039 {
1040 /* FIXME: change this to true for 1.3 */
1041 if (qemu_opt_get_bool(opts, "enable", false)) {
1042 #ifdef CONFIG_SECCOMP
1043 if (seccomp_start() < 0) {
1044 error_report("failed to install seccomp syscall filter "
1045 "in the kernel");
1046 return -1;
1047 }
1048 #else
1049 error_report("seccomp support is disabled");
1050 return -1;
1051 #endif
1052 }
1053
1054 return 0;
1055 }
1056
1057 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1058 {
1059 const char *proc_name;
1060
1061 if (qemu_opt_get(opts, "debug-threads")) {
1062 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1063 }
1064 qemu_name = qemu_opt_get(opts, "guest");
1065
1066 proc_name = qemu_opt_get(opts, "process");
1067 if (proc_name) {
1068 os_set_proc_name(proc_name);
1069 }
1070
1071 return 0;
1072 }
1073
1074 bool defaults_enabled(void)
1075 {
1076 return has_defaults;
1077 }
1078
1079 bool usb_enabled(void)
1080 {
1081 return machine_usb(current_machine);
1082 }
1083
1084 #ifndef _WIN32
1085 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1086 {
1087 int fd, dupfd, flags;
1088 int64_t fdset_id;
1089 const char *fd_opaque = NULL;
1090 AddfdInfo *fdinfo;
1091
1092 fd = qemu_opt_get_number(opts, "fd", -1);
1093 fdset_id = qemu_opt_get_number(opts, "set", -1);
1094 fd_opaque = qemu_opt_get(opts, "opaque");
1095
1096 if (fd < 0) {
1097 error_report("fd option is required and must be non-negative");
1098 return -1;
1099 }
1100
1101 if (fd <= STDERR_FILENO) {
1102 error_report("fd cannot be a standard I/O stream");
1103 return -1;
1104 }
1105
1106 /*
1107 * All fds inherited across exec() necessarily have FD_CLOEXEC
1108 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1109 */
1110 flags = fcntl(fd, F_GETFD);
1111 if (flags == -1 || (flags & FD_CLOEXEC)) {
1112 error_report("fd is not valid or already in use");
1113 return -1;
1114 }
1115
1116 if (fdset_id < 0) {
1117 error_report("set option is required and must be non-negative");
1118 return -1;
1119 }
1120
1121 #ifdef F_DUPFD_CLOEXEC
1122 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1123 #else
1124 dupfd = dup(fd);
1125 if (dupfd != -1) {
1126 qemu_set_cloexec(dupfd);
1127 }
1128 #endif
1129 if (dupfd == -1) {
1130 error_report("error duplicating fd: %s", strerror(errno));
1131 return -1;
1132 }
1133
1134 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1135 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1136 &error_abort);
1137 g_free(fdinfo);
1138
1139 return 0;
1140 }
1141
1142 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1143 {
1144 int fd;
1145
1146 fd = qemu_opt_get_number(opts, "fd", -1);
1147 close(fd);
1148
1149 return 0;
1150 }
1151 #endif
1152
1153 /***********************************************************/
1154 /* QEMU Block devices */
1155
1156 #define HD_OPTS "media=disk"
1157 #define CDROM_OPTS "media=cdrom"
1158 #define FD_OPTS ""
1159 #define PFLASH_OPTS ""
1160 #define MTD_OPTS ""
1161 #define SD_OPTS ""
1162
1163 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1164 {
1165 BlockInterfaceType *block_default_type = opaque;
1166
1167 return drive_new(opts, *block_default_type) == NULL;
1168 }
1169
1170 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1171 {
1172 if (qemu_opt_get(opts, "snapshot") == NULL) {
1173 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1174 }
1175 return 0;
1176 }
1177
1178 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1179 int index, const char *optstr)
1180 {
1181 QemuOpts *opts;
1182 DriveInfo *dinfo;
1183
1184 if (!enable || drive_get_by_index(type, index)) {
1185 return;
1186 }
1187
1188 opts = drive_add(type, index, NULL, optstr);
1189 if (snapshot) {
1190 drive_enable_snapshot(NULL, opts, NULL);
1191 }
1192
1193 dinfo = drive_new(opts, type);
1194 if (!dinfo) {
1195 exit(1);
1196 }
1197 dinfo->is_default = true;
1198
1199 }
1200
1201 static QemuOptsList qemu_smp_opts = {
1202 .name = "smp-opts",
1203 .implied_opt_name = "cpus",
1204 .merge_lists = true,
1205 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1206 .desc = {
1207 {
1208 .name = "cpus",
1209 .type = QEMU_OPT_NUMBER,
1210 }, {
1211 .name = "sockets",
1212 .type = QEMU_OPT_NUMBER,
1213 }, {
1214 .name = "cores",
1215 .type = QEMU_OPT_NUMBER,
1216 }, {
1217 .name = "threads",
1218 .type = QEMU_OPT_NUMBER,
1219 }, {
1220 .name = "maxcpus",
1221 .type = QEMU_OPT_NUMBER,
1222 },
1223 { /*End of list */ }
1224 },
1225 };
1226
1227 static void smp_parse(QemuOpts *opts)
1228 {
1229 if (opts) {
1230
1231 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1232 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1233 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1234 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1235
1236 /* compute missing values, prefer sockets over cores over threads */
1237 if (cpus == 0 || sockets == 0) {
1238 sockets = sockets > 0 ? sockets : 1;
1239 cores = cores > 0 ? cores : 1;
1240 threads = threads > 0 ? threads : 1;
1241 if (cpus == 0) {
1242 cpus = cores * threads * sockets;
1243 }
1244 } else if (cores == 0) {
1245 threads = threads > 0 ? threads : 1;
1246 cores = cpus / (sockets * threads);
1247 } else if (threads == 0) {
1248 threads = cpus / (cores * sockets);
1249 } else if (sockets * cores * threads < cpus) {
1250 error_report("cpu topology: "
1251 "sockets (%u) * cores (%u) * threads (%u) < "
1252 "smp_cpus (%u)",
1253 sockets, cores, threads, cpus);
1254 exit(1);
1255 }
1256
1257 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1258 if (sockets * cores * threads > max_cpus) {
1259 error_report("cpu topology: "
1260 "sockets (%u) * cores (%u) * threads (%u) > "
1261 "maxcpus (%u)",
1262 sockets, cores, threads, max_cpus);
1263 exit(1);
1264 }
1265
1266 smp_cpus = cpus;
1267 smp_cores = cores > 0 ? cores : 1;
1268 smp_threads = threads > 0 ? threads : 1;
1269
1270 }
1271
1272 if (max_cpus == 0) {
1273 max_cpus = smp_cpus;
1274 }
1275
1276 if (max_cpus > MAX_CPUMASK_BITS) {
1277 error_report("unsupported number of maxcpus");
1278 exit(1);
1279 }
1280 if (max_cpus < smp_cpus) {
1281 error_report("maxcpus must be equal to or greater than smp");
1282 exit(1);
1283 }
1284
1285 if (smp_cpus > 1 || smp_cores > 1 || smp_threads > 1) {
1286 Error *blocker = NULL;
1287 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1288 replay_add_blocker(blocker);
1289 }
1290 }
1291
1292 static void realtime_init(void)
1293 {
1294 if (enable_mlock) {
1295 if (os_mlock() < 0) {
1296 error_report("locking memory failed");
1297 exit(1);
1298 }
1299 }
1300 }
1301
1302
1303 static void configure_msg(QemuOpts *opts)
1304 {
1305 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1306 }
1307
1308 /***********************************************************/
1309 /* Semihosting */
1310
1311 typedef struct SemihostingConfig {
1312 bool enabled;
1313 SemihostingTarget target;
1314 const char **argv;
1315 int argc;
1316 const char *cmdline; /* concatenated argv */
1317 } SemihostingConfig;
1318
1319 static SemihostingConfig semihosting;
1320
1321 bool semihosting_enabled(void)
1322 {
1323 return semihosting.enabled;
1324 }
1325
1326 SemihostingTarget semihosting_get_target(void)
1327 {
1328 return semihosting.target;
1329 }
1330
1331 const char *semihosting_get_arg(int i)
1332 {
1333 if (i >= semihosting.argc) {
1334 return NULL;
1335 }
1336 return semihosting.argv[i];
1337 }
1338
1339 int semihosting_get_argc(void)
1340 {
1341 return semihosting.argc;
1342 }
1343
1344 const char *semihosting_get_cmdline(void)
1345 {
1346 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1347 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1348 }
1349 return semihosting.cmdline;
1350 }
1351
1352 static int add_semihosting_arg(void *opaque,
1353 const char *name, const char *val,
1354 Error **errp)
1355 {
1356 SemihostingConfig *s = opaque;
1357 if (strcmp(name, "arg") == 0) {
1358 s->argc++;
1359 /* one extra element as g_strjoinv() expects NULL-terminated array */
1360 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1361 s->argv[s->argc - 1] = val;
1362 s->argv[s->argc] = NULL;
1363 }
1364 return 0;
1365 }
1366
1367 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1368 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1369 {
1370 char *cmd_token;
1371
1372 /* argv[0] */
1373 add_semihosting_arg(&semihosting, "arg", file, NULL);
1374
1375 /* split -append and initialize argv[1..n] */
1376 cmd_token = strtok(g_strdup(cmd), " ");
1377 while (cmd_token) {
1378 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1379 cmd_token = strtok(NULL, " ");
1380 }
1381 }
1382
1383 /* Now we still need this for compatibility with XEN. */
1384 bool has_igd_gfx_passthru;
1385 static void igd_gfx_passthru(void)
1386 {
1387 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1388 }
1389
1390 /***********************************************************/
1391 /* USB devices */
1392
1393 static int usb_device_add(const char *devname)
1394 {
1395 USBDevice *dev = NULL;
1396 #ifndef CONFIG_LINUX
1397 const char *p;
1398 #endif
1399
1400 if (!usb_enabled()) {
1401 return -1;
1402 }
1403
1404 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1405 dev = usbdevice_create(devname);
1406 if (dev)
1407 goto done;
1408
1409 /* the other ones */
1410 #ifndef CONFIG_LINUX
1411 /* only the linux version is qdev-ified, usb-bsd still needs this */
1412 if (strstart(devname, "host:", &p)) {
1413 dev = usb_host_device_open(usb_bus_find(-1), p);
1414 }
1415 #endif
1416 if (!dev)
1417 return -1;
1418
1419 done:
1420 return 0;
1421 }
1422
1423 static int usb_device_del(const char *devname)
1424 {
1425 int bus_num, addr;
1426 const char *p;
1427
1428 if (strstart(devname, "host:", &p)) {
1429 return -1;
1430 }
1431
1432 if (!usb_enabled()) {
1433 return -1;
1434 }
1435
1436 p = strchr(devname, '.');
1437 if (!p)
1438 return -1;
1439 bus_num = strtoul(devname, NULL, 0);
1440 addr = strtoul(p + 1, NULL, 0);
1441
1442 return usb_device_delete_addr(bus_num, addr);
1443 }
1444
1445 static int usb_parse(const char *cmdline)
1446 {
1447 int r;
1448 r = usb_device_add(cmdline);
1449 if (r < 0) {
1450 error_report("could not add USB device '%s'", cmdline);
1451 }
1452 return r;
1453 }
1454
1455 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1456 {
1457 const char *devname = qdict_get_str(qdict, "devname");
1458 if (usb_device_add(devname) < 0) {
1459 error_report("could not add USB device '%s'", devname);
1460 }
1461 }
1462
1463 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1464 {
1465 const char *devname = qdict_get_str(qdict, "devname");
1466 if (usb_device_del(devname) < 0) {
1467 error_report("could not delete USB device '%s'", devname);
1468 }
1469 }
1470
1471 /***********************************************************/
1472 /* machine registration */
1473
1474 MachineState *current_machine;
1475
1476 static MachineClass *find_machine(const char *name)
1477 {
1478 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1479 MachineClass *mc = NULL;
1480
1481 for (el = machines; el; el = el->next) {
1482 MachineClass *temp = el->data;
1483
1484 if (!strcmp(temp->name, name)) {
1485 mc = temp;
1486 break;
1487 }
1488 if (temp->alias &&
1489 !strcmp(temp->alias, name)) {
1490 mc = temp;
1491 break;
1492 }
1493 }
1494
1495 g_slist_free(machines);
1496 return mc;
1497 }
1498
1499 MachineClass *find_default_machine(void)
1500 {
1501 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1502 MachineClass *mc = NULL;
1503
1504 for (el = machines; el; el = el->next) {
1505 MachineClass *temp = el->data;
1506
1507 if (temp->is_default) {
1508 mc = temp;
1509 break;
1510 }
1511 }
1512
1513 g_slist_free(machines);
1514 return mc;
1515 }
1516
1517 MachineInfoList *qmp_query_machines(Error **errp)
1518 {
1519 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1520 MachineInfoList *mach_list = NULL;
1521
1522 for (el = machines; el; el = el->next) {
1523 MachineClass *mc = el->data;
1524 MachineInfoList *entry;
1525 MachineInfo *info;
1526
1527 info = g_malloc0(sizeof(*info));
1528 if (mc->is_default) {
1529 info->has_is_default = true;
1530 info->is_default = true;
1531 }
1532
1533 if (mc->alias) {
1534 info->has_alias = true;
1535 info->alias = g_strdup(mc->alias);
1536 }
1537
1538 info->name = g_strdup(mc->name);
1539 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1540
1541 entry = g_malloc0(sizeof(*entry));
1542 entry->value = info;
1543 entry->next = mach_list;
1544 mach_list = entry;
1545 }
1546
1547 g_slist_free(machines);
1548 return mach_list;
1549 }
1550
1551 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1552 {
1553 ObjectProperty *prop;
1554 ObjectPropertyIterator iter;
1555
1556 if (!qemu_opt_has_help_opt(opts)) {
1557 return 0;
1558 }
1559
1560 object_property_iter_init(&iter, OBJECT(machine));
1561 while ((prop = object_property_iter_next(&iter))) {
1562 if (!prop->set) {
1563 continue;
1564 }
1565
1566 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1567 prop->name, prop->type);
1568 if (prop->description) {
1569 error_printf(" (%s)\n", prop->description);
1570 } else {
1571 error_printf("\n");
1572 }
1573 }
1574
1575 return 1;
1576 }
1577
1578 /***********************************************************/
1579 /* main execution loop */
1580
1581 struct vm_change_state_entry {
1582 VMChangeStateHandler *cb;
1583 void *opaque;
1584 QLIST_ENTRY (vm_change_state_entry) entries;
1585 };
1586
1587 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1588
1589 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1590 void *opaque)
1591 {
1592 VMChangeStateEntry *e;
1593
1594 e = g_malloc0(sizeof (*e));
1595
1596 e->cb = cb;
1597 e->opaque = opaque;
1598 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1599 return e;
1600 }
1601
1602 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1603 {
1604 QLIST_REMOVE (e, entries);
1605 g_free (e);
1606 }
1607
1608 void vm_state_notify(int running, RunState state)
1609 {
1610 VMChangeStateEntry *e, *next;
1611
1612 trace_vm_state_notify(running, state);
1613
1614 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1615 e->cb(e->opaque, running, state);
1616 }
1617 }
1618
1619 /* reset/shutdown handler */
1620
1621 typedef struct QEMUResetEntry {
1622 QTAILQ_ENTRY(QEMUResetEntry) entry;
1623 QEMUResetHandler *func;
1624 void *opaque;
1625 } QEMUResetEntry;
1626
1627 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1628 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1629 static int reset_requested;
1630 static int shutdown_requested, shutdown_signal = -1;
1631 static pid_t shutdown_pid;
1632 static int powerdown_requested;
1633 static int debug_requested;
1634 static int suspend_requested;
1635 static WakeupReason wakeup_reason;
1636 static NotifierList powerdown_notifiers =
1637 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1638 static NotifierList suspend_notifiers =
1639 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1640 static NotifierList wakeup_notifiers =
1641 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1642 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1643
1644 int qemu_shutdown_requested_get(void)
1645 {
1646 return shutdown_requested;
1647 }
1648
1649 int qemu_reset_requested_get(void)
1650 {
1651 return reset_requested;
1652 }
1653
1654 static int qemu_shutdown_requested(void)
1655 {
1656 return atomic_xchg(&shutdown_requested, 0);
1657 }
1658
1659 static void qemu_kill_report(void)
1660 {
1661 if (!qtest_driver() && shutdown_signal != -1) {
1662 if (shutdown_pid == 0) {
1663 /* This happens for eg ^C at the terminal, so it's worth
1664 * avoiding printing an odd message in that case.
1665 */
1666 error_report("terminating on signal %d", shutdown_signal);
1667 } else {
1668 error_report("terminating on signal %d from pid " FMT_pid,
1669 shutdown_signal, shutdown_pid);
1670 }
1671 shutdown_signal = -1;
1672 }
1673 }
1674
1675 static int qemu_reset_requested(void)
1676 {
1677 int r = reset_requested;
1678 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1679 reset_requested = 0;
1680 return r;
1681 }
1682 return false;
1683 }
1684
1685 static int qemu_suspend_requested(void)
1686 {
1687 int r = suspend_requested;
1688 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1689 suspend_requested = 0;
1690 return r;
1691 }
1692 return false;
1693 }
1694
1695 static WakeupReason qemu_wakeup_requested(void)
1696 {
1697 return wakeup_reason;
1698 }
1699
1700 static int qemu_powerdown_requested(void)
1701 {
1702 int r = powerdown_requested;
1703 powerdown_requested = 0;
1704 return r;
1705 }
1706
1707 static int qemu_debug_requested(void)
1708 {
1709 int r = debug_requested;
1710 debug_requested = 0;
1711 return r;
1712 }
1713
1714 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1715 {
1716 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1717
1718 re->func = func;
1719 re->opaque = opaque;
1720 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1721 }
1722
1723 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1724 {
1725 QEMUResetEntry *re;
1726
1727 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1728 if (re->func == func && re->opaque == opaque) {
1729 QTAILQ_REMOVE(&reset_handlers, re, entry);
1730 g_free(re);
1731 return;
1732 }
1733 }
1734 }
1735
1736 void qemu_devices_reset(void)
1737 {
1738 QEMUResetEntry *re, *nre;
1739
1740 /* reset all devices */
1741 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1742 re->func(re->opaque);
1743 }
1744 }
1745
1746 void qemu_system_reset(bool report)
1747 {
1748 MachineClass *mc;
1749
1750 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1751
1752 cpu_synchronize_all_states();
1753
1754 if (mc && mc->reset) {
1755 mc->reset();
1756 } else {
1757 qemu_devices_reset();
1758 }
1759 if (report) {
1760 qapi_event_send_reset(&error_abort);
1761 }
1762 cpu_synchronize_all_post_reset();
1763 }
1764
1765 void qemu_system_guest_panicked(void)
1766 {
1767 if (current_cpu) {
1768 current_cpu->crash_occurred = true;
1769 }
1770 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1771 vm_stop(RUN_STATE_GUEST_PANICKED);
1772 }
1773
1774 void qemu_system_reset_request(void)
1775 {
1776 if (no_reboot) {
1777 shutdown_requested = 1;
1778 } else {
1779 reset_requested = 1;
1780 }
1781 cpu_stop_current();
1782 qemu_notify_event();
1783 }
1784
1785 static void qemu_system_suspend(void)
1786 {
1787 pause_all_vcpus();
1788 notifier_list_notify(&suspend_notifiers, NULL);
1789 runstate_set(RUN_STATE_SUSPENDED);
1790 qapi_event_send_suspend(&error_abort);
1791 }
1792
1793 void qemu_system_suspend_request(void)
1794 {
1795 if (runstate_check(RUN_STATE_SUSPENDED)) {
1796 return;
1797 }
1798 suspend_requested = 1;
1799 cpu_stop_current();
1800 qemu_notify_event();
1801 }
1802
1803 void qemu_register_suspend_notifier(Notifier *notifier)
1804 {
1805 notifier_list_add(&suspend_notifiers, notifier);
1806 }
1807
1808 void qemu_system_wakeup_request(WakeupReason reason)
1809 {
1810 trace_system_wakeup_request(reason);
1811
1812 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1813 return;
1814 }
1815 if (!(wakeup_reason_mask & (1 << reason))) {
1816 return;
1817 }
1818 runstate_set(RUN_STATE_RUNNING);
1819 wakeup_reason = reason;
1820 qemu_notify_event();
1821 }
1822
1823 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1824 {
1825 if (enabled) {
1826 wakeup_reason_mask |= (1 << reason);
1827 } else {
1828 wakeup_reason_mask &= ~(1 << reason);
1829 }
1830 }
1831
1832 void qemu_register_wakeup_notifier(Notifier *notifier)
1833 {
1834 notifier_list_add(&wakeup_notifiers, notifier);
1835 }
1836
1837 void qemu_system_killed(int signal, pid_t pid)
1838 {
1839 shutdown_signal = signal;
1840 shutdown_pid = pid;
1841 no_shutdown = 0;
1842
1843 /* Cannot call qemu_system_shutdown_request directly because
1844 * we are in a signal handler.
1845 */
1846 shutdown_requested = 1;
1847 qemu_notify_event();
1848 }
1849
1850 void qemu_system_shutdown_request(void)
1851 {
1852 trace_qemu_system_shutdown_request();
1853 replay_shutdown_request();
1854 shutdown_requested = 1;
1855 qemu_notify_event();
1856 }
1857
1858 static void qemu_system_powerdown(void)
1859 {
1860 qapi_event_send_powerdown(&error_abort);
1861 notifier_list_notify(&powerdown_notifiers, NULL);
1862 }
1863
1864 void qemu_system_powerdown_request(void)
1865 {
1866 trace_qemu_system_powerdown_request();
1867 powerdown_requested = 1;
1868 qemu_notify_event();
1869 }
1870
1871 void qemu_register_powerdown_notifier(Notifier *notifier)
1872 {
1873 notifier_list_add(&powerdown_notifiers, notifier);
1874 }
1875
1876 void qemu_system_debug_request(void)
1877 {
1878 debug_requested = 1;
1879 qemu_notify_event();
1880 }
1881
1882 static bool main_loop_should_exit(void)
1883 {
1884 RunState r;
1885 if (qemu_debug_requested()) {
1886 vm_stop(RUN_STATE_DEBUG);
1887 }
1888 if (qemu_suspend_requested()) {
1889 qemu_system_suspend();
1890 }
1891 if (qemu_shutdown_requested()) {
1892 qemu_kill_report();
1893 qapi_event_send_shutdown(&error_abort);
1894 if (no_shutdown) {
1895 vm_stop(RUN_STATE_SHUTDOWN);
1896 } else {
1897 return true;
1898 }
1899 }
1900 if (qemu_reset_requested()) {
1901 pause_all_vcpus();
1902 qemu_system_reset(VMRESET_REPORT);
1903 resume_all_vcpus();
1904 if (!runstate_check(RUN_STATE_RUNNING) &&
1905 !runstate_check(RUN_STATE_INMIGRATE)) {
1906 runstate_set(RUN_STATE_PRELAUNCH);
1907 }
1908 }
1909 if (qemu_wakeup_requested()) {
1910 pause_all_vcpus();
1911 qemu_system_reset(VMRESET_SILENT);
1912 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1913 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1914 resume_all_vcpus();
1915 qapi_event_send_wakeup(&error_abort);
1916 }
1917 if (qemu_powerdown_requested()) {
1918 qemu_system_powerdown();
1919 }
1920 if (qemu_vmstop_requested(&r)) {
1921 vm_stop(r);
1922 }
1923 return false;
1924 }
1925
1926 static void main_loop(void)
1927 {
1928 bool nonblocking;
1929 int last_io = 0;
1930 #ifdef CONFIG_PROFILER
1931 int64_t ti;
1932 #endif
1933 do {
1934 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1935 #ifdef CONFIG_PROFILER
1936 ti = profile_getclock();
1937 #endif
1938 last_io = main_loop_wait(nonblocking);
1939 #ifdef CONFIG_PROFILER
1940 dev_time += profile_getclock() - ti;
1941 #endif
1942 } while (!main_loop_should_exit());
1943 }
1944
1945 static void version(void)
1946 {
1947 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1948 }
1949
1950 static void help(int exitcode)
1951 {
1952 version();
1953 printf("usage: %s [options] [disk_image]\n\n"
1954 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1955 error_get_progname());
1956
1957 #define QEMU_OPTIONS_GENERATE_HELP
1958 #include "qemu-options-wrapper.h"
1959
1960 printf("\nDuring emulation, the following keys are useful:\n"
1961 "ctrl-alt-f toggle full screen\n"
1962 "ctrl-alt-n switch to virtual console 'n'\n"
1963 "ctrl-alt toggle mouse and keyboard grab\n"
1964 "\n"
1965 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1966
1967 exit(exitcode);
1968 }
1969
1970 #define HAS_ARG 0x0001
1971
1972 typedef struct QEMUOption {
1973 const char *name;
1974 int flags;
1975 int index;
1976 uint32_t arch_mask;
1977 } QEMUOption;
1978
1979 static const QEMUOption qemu_options[] = {
1980 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1981 #define QEMU_OPTIONS_GENERATE_OPTIONS
1982 #include "qemu-options-wrapper.h"
1983 { NULL },
1984 };
1985
1986 static bool vga_available(void)
1987 {
1988 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1989 }
1990
1991 static bool cirrus_vga_available(void)
1992 {
1993 return object_class_by_name("cirrus-vga")
1994 || object_class_by_name("isa-cirrus-vga");
1995 }
1996
1997 static bool vmware_vga_available(void)
1998 {
1999 return object_class_by_name("vmware-svga");
2000 }
2001
2002 static bool qxl_vga_available(void)
2003 {
2004 return object_class_by_name("qxl-vga");
2005 }
2006
2007 static bool tcx_vga_available(void)
2008 {
2009 return object_class_by_name("SUNW,tcx");
2010 }
2011
2012 static bool cg3_vga_available(void)
2013 {
2014 return object_class_by_name("cgthree");
2015 }
2016
2017 static bool virtio_vga_available(void)
2018 {
2019 return object_class_by_name("virtio-vga");
2020 }
2021
2022 static void select_vgahw (const char *p)
2023 {
2024 const char *opts;
2025
2026 assert(vga_interface_type == VGA_NONE);
2027 if (strstart(p, "std", &opts)) {
2028 if (vga_available()) {
2029 vga_interface_type = VGA_STD;
2030 } else {
2031 error_report("standard VGA not available");
2032 exit(0);
2033 }
2034 } else if (strstart(p, "cirrus", &opts)) {
2035 if (cirrus_vga_available()) {
2036 vga_interface_type = VGA_CIRRUS;
2037 } else {
2038 error_report("Cirrus VGA not available");
2039 exit(0);
2040 }
2041 } else if (strstart(p, "vmware", &opts)) {
2042 if (vmware_vga_available()) {
2043 vga_interface_type = VGA_VMWARE;
2044 } else {
2045 error_report("VMWare SVGA not available");
2046 exit(0);
2047 }
2048 } else if (strstart(p, "virtio", &opts)) {
2049 if (virtio_vga_available()) {
2050 vga_interface_type = VGA_VIRTIO;
2051 } else {
2052 error_report("Virtio VGA not available");
2053 exit(0);
2054 }
2055 } else if (strstart(p, "xenfb", &opts)) {
2056 vga_interface_type = VGA_XENFB;
2057 } else if (strstart(p, "qxl", &opts)) {
2058 if (qxl_vga_available()) {
2059 vga_interface_type = VGA_QXL;
2060 } else {
2061 error_report("QXL VGA not available");
2062 exit(0);
2063 }
2064 } else if (strstart(p, "tcx", &opts)) {
2065 if (tcx_vga_available()) {
2066 vga_interface_type = VGA_TCX;
2067 } else {
2068 error_report("TCX framebuffer not available");
2069 exit(0);
2070 }
2071 } else if (strstart(p, "cg3", &opts)) {
2072 if (cg3_vga_available()) {
2073 vga_interface_type = VGA_CG3;
2074 } else {
2075 error_report("CG3 framebuffer not available");
2076 exit(0);
2077 }
2078 } else if (!strstart(p, "none", &opts)) {
2079 invalid_vga:
2080 error_report("unknown vga type: %s", p);
2081 exit(1);
2082 }
2083 while (*opts) {
2084 const char *nextopt;
2085
2086 if (strstart(opts, ",retrace=", &nextopt)) {
2087 opts = nextopt;
2088 if (strstart(opts, "dumb", &nextopt))
2089 vga_retrace_method = VGA_RETRACE_DUMB;
2090 else if (strstart(opts, "precise", &nextopt))
2091 vga_retrace_method = VGA_RETRACE_PRECISE;
2092 else goto invalid_vga;
2093 } else goto invalid_vga;
2094 opts = nextopt;
2095 }
2096 }
2097
2098 static DisplayType select_display(const char *p)
2099 {
2100 const char *opts;
2101 DisplayType display = DT_DEFAULT;
2102
2103 if (strstart(p, "sdl", &opts)) {
2104 #ifdef CONFIG_SDL
2105 display = DT_SDL;
2106 while (*opts) {
2107 const char *nextopt;
2108
2109 if (strstart(opts, ",frame=", &nextopt)) {
2110 opts = nextopt;
2111 if (strstart(opts, "on", &nextopt)) {
2112 no_frame = 0;
2113 } else if (strstart(opts, "off", &nextopt)) {
2114 no_frame = 1;
2115 } else {
2116 goto invalid_sdl_args;
2117 }
2118 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2119 opts = nextopt;
2120 if (strstart(opts, "on", &nextopt)) {
2121 alt_grab = 1;
2122 } else if (strstart(opts, "off", &nextopt)) {
2123 alt_grab = 0;
2124 } else {
2125 goto invalid_sdl_args;
2126 }
2127 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2128 opts = nextopt;
2129 if (strstart(opts, "on", &nextopt)) {
2130 ctrl_grab = 1;
2131 } else if (strstart(opts, "off", &nextopt)) {
2132 ctrl_grab = 0;
2133 } else {
2134 goto invalid_sdl_args;
2135 }
2136 } else if (strstart(opts, ",window_close=", &nextopt)) {
2137 opts = nextopt;
2138 if (strstart(opts, "on", &nextopt)) {
2139 no_quit = 0;
2140 } else if (strstart(opts, "off", &nextopt)) {
2141 no_quit = 1;
2142 } else {
2143 goto invalid_sdl_args;
2144 }
2145 } else if (strstart(opts, ",gl=", &nextopt)) {
2146 opts = nextopt;
2147 if (strstart(opts, "on", &nextopt)) {
2148 request_opengl = 1;
2149 } else if (strstart(opts, "off", &nextopt)) {
2150 request_opengl = 0;
2151 } else {
2152 goto invalid_sdl_args;
2153 }
2154 } else {
2155 invalid_sdl_args:
2156 error_report("invalid SDL option string");
2157 exit(1);
2158 }
2159 opts = nextopt;
2160 }
2161 #else
2162 error_report("SDL support is disabled");
2163 exit(1);
2164 #endif
2165 } else if (strstart(p, "vnc", &opts)) {
2166 #ifdef CONFIG_VNC
2167 if (*opts == '=') {
2168 Error *err = NULL;
2169 if (vnc_parse(opts + 1, &err) == NULL) {
2170 error_report_err(err);
2171 exit(1);
2172 }
2173 } else {
2174 error_report("VNC requires a display argument vnc=<display>");
2175 exit(1);
2176 }
2177 #else
2178 error_report("VNC support is disabled");
2179 exit(1);
2180 #endif
2181 } else if (strstart(p, "curses", &opts)) {
2182 #ifdef CONFIG_CURSES
2183 display = DT_CURSES;
2184 #else
2185 error_report("curses support is disabled");
2186 exit(1);
2187 #endif
2188 } else if (strstart(p, "gtk", &opts)) {
2189 #ifdef CONFIG_GTK
2190 display = DT_GTK;
2191 while (*opts) {
2192 const char *nextopt;
2193
2194 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2195 opts = nextopt;
2196 if (strstart(opts, "on", &nextopt)) {
2197 grab_on_hover = true;
2198 } else if (strstart(opts, "off", &nextopt)) {
2199 grab_on_hover = false;
2200 } else {
2201 goto invalid_gtk_args;
2202 }
2203 } else if (strstart(opts, ",gl=", &nextopt)) {
2204 opts = nextopt;
2205 if (strstart(opts, "on", &nextopt)) {
2206 request_opengl = 1;
2207 } else if (strstart(opts, "off", &nextopt)) {
2208 request_opengl = 0;
2209 } else {
2210 goto invalid_gtk_args;
2211 }
2212 } else {
2213 invalid_gtk_args:
2214 error_report("invalid GTK option string");
2215 exit(1);
2216 }
2217 opts = nextopt;
2218 }
2219 #else
2220 error_report("GTK support is disabled");
2221 exit(1);
2222 #endif
2223 } else if (strstart(p, "none", &opts)) {
2224 display = DT_NONE;
2225 } else {
2226 error_report("unknown display type");
2227 exit(1);
2228 }
2229
2230 return display;
2231 }
2232
2233 static int balloon_parse(const char *arg)
2234 {
2235 QemuOpts *opts;
2236
2237 if (strcmp(arg, "none") == 0) {
2238 return 0;
2239 }
2240
2241 if (!strncmp(arg, "virtio", 6)) {
2242 if (arg[6] == ',') {
2243 /* have params -> parse them */
2244 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2245 false);
2246 if (!opts)
2247 return -1;
2248 } else {
2249 /* create empty opts */
2250 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2251 &error_abort);
2252 }
2253 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2254 return 0;
2255 }
2256
2257 return -1;
2258 }
2259
2260 char *qemu_find_file(int type, const char *name)
2261 {
2262 int i;
2263 const char *subdir;
2264 char *buf;
2265
2266 /* Try the name as a straight path first */
2267 if (access(name, R_OK) == 0) {
2268 trace_load_file(name, name);
2269 return g_strdup(name);
2270 }
2271
2272 switch (type) {
2273 case QEMU_FILE_TYPE_BIOS:
2274 subdir = "";
2275 break;
2276 case QEMU_FILE_TYPE_KEYMAP:
2277 subdir = "keymaps/";
2278 break;
2279 default:
2280 abort();
2281 }
2282
2283 for (i = 0; i < data_dir_idx; i++) {
2284 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2285 if (access(buf, R_OK) == 0) {
2286 trace_load_file(name, buf);
2287 return buf;
2288 }
2289 g_free(buf);
2290 }
2291 return NULL;
2292 }
2293
2294 static inline bool nonempty_str(const char *str)
2295 {
2296 return str && *str;
2297 }
2298
2299 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2300 {
2301 gchar *buf;
2302 size_t size;
2303 const char *name, *file, *str;
2304 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2305
2306 if (fw_cfg == NULL) {
2307 error_report("fw_cfg device not available");
2308 return -1;
2309 }
2310 name = qemu_opt_get(opts, "name");
2311 file = qemu_opt_get(opts, "file");
2312 str = qemu_opt_get(opts, "string");
2313
2314 /* we need name and either a file or the content string */
2315 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2316 error_report("invalid argument(s)");
2317 return -1;
2318 }
2319 if (nonempty_str(file) && nonempty_str(str)) {
2320 error_report("file and string are mutually exclusive");
2321 return -1;
2322 }
2323 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2324 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2325 return -1;
2326 }
2327 if (strncmp(name, "opt/", 4) != 0) {
2328 error_report("warning: externally provided fw_cfg item names "
2329 "should be prefixed with \"opt/\"");
2330 }
2331 if (nonempty_str(str)) {
2332 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2333 buf = g_memdup(str, size);
2334 } else {
2335 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2336 error_report("can't load %s", file);
2337 return -1;
2338 }
2339 }
2340 /* For legacy, keep user files in a specific global order. */
2341 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2342 fw_cfg_add_file(fw_cfg, name, buf, size);
2343 fw_cfg_reset_order_override(fw_cfg);
2344 return 0;
2345 }
2346
2347 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2348 {
2349 return qdev_device_help(opts);
2350 }
2351
2352 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2353 {
2354 Error *err = NULL;
2355 DeviceState *dev;
2356
2357 dev = qdev_device_add(opts, &err);
2358 if (!dev) {
2359 error_report_err(err);
2360 return -1;
2361 }
2362 object_unref(OBJECT(dev));
2363 return 0;
2364 }
2365
2366 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2367 {
2368 Error *local_err = NULL;
2369
2370 qemu_chr_new_from_opts(opts, NULL, &local_err);
2371 if (local_err) {
2372 error_report_err(local_err);
2373 return -1;
2374 }
2375 return 0;
2376 }
2377
2378 #ifdef CONFIG_VIRTFS
2379 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2380 {
2381 int ret;
2382 ret = qemu_fsdev_add(opts);
2383
2384 return ret;
2385 }
2386 #endif
2387
2388 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2389 {
2390 CharDriverState *chr;
2391 const char *chardev;
2392 const char *mode;
2393 int flags;
2394
2395 mode = qemu_opt_get(opts, "mode");
2396 if (mode == NULL) {
2397 mode = "readline";
2398 }
2399 if (strcmp(mode, "readline") == 0) {
2400 flags = MONITOR_USE_READLINE;
2401 } else if (strcmp(mode, "control") == 0) {
2402 flags = MONITOR_USE_CONTROL;
2403 } else {
2404 error_report("unknown monitor mode \"%s\"", mode);
2405 exit(1);
2406 }
2407
2408 if (qemu_opt_get_bool(opts, "pretty", 0))
2409 flags |= MONITOR_USE_PRETTY;
2410
2411 if (qemu_opt_get_bool(opts, "default", 0))
2412 flags |= MONITOR_IS_DEFAULT;
2413
2414 chardev = qemu_opt_get(opts, "chardev");
2415 chr = qemu_chr_find(chardev);
2416 if (chr == NULL) {
2417 error_report("chardev \"%s\" not found", chardev);
2418 exit(1);
2419 }
2420
2421 qemu_chr_fe_claim_no_fail(chr);
2422 monitor_init(chr, flags);
2423 return 0;
2424 }
2425
2426 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2427 {
2428 static int monitor_device_index = 0;
2429 Error *local_err = NULL;
2430 QemuOpts *opts;
2431 const char *p;
2432 char label[32];
2433 int def = 0;
2434
2435 if (strstart(optarg, "chardev:", &p)) {
2436 snprintf(label, sizeof(label), "%s", p);
2437 } else {
2438 snprintf(label, sizeof(label), "compat_monitor%d",
2439 monitor_device_index);
2440 if (monitor_device_index == 0) {
2441 def = 1;
2442 }
2443 opts = qemu_chr_parse_compat(label, optarg);
2444 if (!opts) {
2445 error_report("parse error: %s", optarg);
2446 exit(1);
2447 }
2448 }
2449
2450 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2451 if (!opts) {
2452 error_report_err(local_err);
2453 exit(1);
2454 }
2455 qemu_opt_set(opts, "mode", mode, &error_abort);
2456 qemu_opt_set(opts, "chardev", label, &error_abort);
2457 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2458 if (def)
2459 qemu_opt_set(opts, "default", "on", &error_abort);
2460 monitor_device_index++;
2461 }
2462
2463 struct device_config {
2464 enum {
2465 DEV_USB, /* -usbdevice */
2466 DEV_BT, /* -bt */
2467 DEV_SERIAL, /* -serial */
2468 DEV_PARALLEL, /* -parallel */
2469 DEV_VIRTCON, /* -virtioconsole */
2470 DEV_DEBUGCON, /* -debugcon */
2471 DEV_GDB, /* -gdb, -s */
2472 DEV_SCLP, /* s390 sclp */
2473 } type;
2474 const char *cmdline;
2475 Location loc;
2476 QTAILQ_ENTRY(device_config) next;
2477 };
2478
2479 static QTAILQ_HEAD(, device_config) device_configs =
2480 QTAILQ_HEAD_INITIALIZER(device_configs);
2481
2482 static void add_device_config(int type, const char *cmdline)
2483 {
2484 struct device_config *conf;
2485
2486 conf = g_malloc0(sizeof(*conf));
2487 conf->type = type;
2488 conf->cmdline = cmdline;
2489 loc_save(&conf->loc);
2490 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2491 }
2492
2493 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2494 {
2495 struct device_config *conf;
2496 int rc;
2497
2498 QTAILQ_FOREACH(conf, &device_configs, next) {
2499 if (conf->type != type)
2500 continue;
2501 loc_push_restore(&conf->loc);
2502 rc = func(conf->cmdline);
2503 loc_pop(&conf->loc);
2504 if (rc) {
2505 return rc;
2506 }
2507 }
2508 return 0;
2509 }
2510
2511 static int serial_parse(const char *devname)
2512 {
2513 static int index = 0;
2514 char label[32];
2515
2516 if (strcmp(devname, "none") == 0)
2517 return 0;
2518 if (index == MAX_SERIAL_PORTS) {
2519 error_report("too many serial ports");
2520 exit(1);
2521 }
2522 snprintf(label, sizeof(label), "serial%d", index);
2523 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2524 if (!serial_hds[index]) {
2525 error_report("could not connect serial device"
2526 " to character backend '%s'", devname);
2527 return -1;
2528 }
2529 index++;
2530 return 0;
2531 }
2532
2533 static int parallel_parse(const char *devname)
2534 {
2535 static int index = 0;
2536 char label[32];
2537
2538 if (strcmp(devname, "none") == 0)
2539 return 0;
2540 if (index == MAX_PARALLEL_PORTS) {
2541 error_report("too many parallel ports");
2542 exit(1);
2543 }
2544 snprintf(label, sizeof(label), "parallel%d", index);
2545 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2546 if (!parallel_hds[index]) {
2547 error_report("could not connect parallel device"
2548 " to character backend '%s'", devname);
2549 return -1;
2550 }
2551 index++;
2552 return 0;
2553 }
2554
2555 static int virtcon_parse(const char *devname)
2556 {
2557 QemuOptsList *device = qemu_find_opts("device");
2558 static int index = 0;
2559 char label[32];
2560 QemuOpts *bus_opts, *dev_opts;
2561
2562 if (strcmp(devname, "none") == 0)
2563 return 0;
2564 if (index == MAX_VIRTIO_CONSOLES) {
2565 error_report("too many virtio consoles");
2566 exit(1);
2567 }
2568
2569 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2570 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2571
2572 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2573 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2574
2575 snprintf(label, sizeof(label), "virtcon%d", index);
2576 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2577 if (!virtcon_hds[index]) {
2578 error_report("could not connect virtio console"
2579 " to character backend '%s'", devname);
2580 return -1;
2581 }
2582 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2583
2584 index++;
2585 return 0;
2586 }
2587
2588 static int sclp_parse(const char *devname)
2589 {
2590 QemuOptsList *device = qemu_find_opts("device");
2591 static int index = 0;
2592 char label[32];
2593 QemuOpts *dev_opts;
2594
2595 if (strcmp(devname, "none") == 0) {
2596 return 0;
2597 }
2598 if (index == MAX_SCLP_CONSOLES) {
2599 error_report("too many sclp consoles");
2600 exit(1);
2601 }
2602
2603 assert(arch_type == QEMU_ARCH_S390X);
2604
2605 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2606 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2607
2608 snprintf(label, sizeof(label), "sclpcon%d", index);
2609 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2610 if (!sclp_hds[index]) {
2611 error_report("could not connect sclp console"
2612 " to character backend '%s'", devname);
2613 return -1;
2614 }
2615 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2616
2617 index++;
2618 return 0;
2619 }
2620
2621 static int debugcon_parse(const char *devname)
2622 {
2623 QemuOpts *opts;
2624
2625 if (!qemu_chr_new("debugcon", devname, NULL)) {
2626 exit(1);
2627 }
2628 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2629 if (!opts) {
2630 error_report("already have a debugcon device");
2631 exit(1);
2632 }
2633 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2634 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2635 return 0;
2636 }
2637
2638 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2639 {
2640 const MachineClass *mc1 = a, *mc2 = b;
2641 int res;
2642
2643 if (mc1->family == NULL) {
2644 if (mc2->family == NULL) {
2645 /* Compare standalone machine types against each other; they sort
2646 * in increasing order.
2647 */
2648 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2649 object_class_get_name(OBJECT_CLASS(mc2)));
2650 }
2651
2652 /* Standalone machine types sort after families. */
2653 return 1;
2654 }
2655
2656 if (mc2->family == NULL) {
2657 /* Families sort before standalone machine types. */
2658 return -1;
2659 }
2660
2661 /* Families sort between each other alphabetically increasingly. */
2662 res = strcmp(mc1->family, mc2->family);
2663 if (res != 0) {
2664 return res;
2665 }
2666
2667 /* Within the same family, machine types sort in decreasing order. */
2668 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2669 object_class_get_name(OBJECT_CLASS(mc1)));
2670 }
2671
2672 static MachineClass *machine_parse(const char *name)
2673 {
2674 MachineClass *mc = NULL;
2675 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2676
2677 if (name) {
2678 mc = find_machine(name);
2679 }
2680 if (mc) {
2681 g_slist_free(machines);
2682 return mc;
2683 }
2684 if (name && !is_help_option(name)) {
2685 error_report("unsupported machine type");
2686 error_printf("Use -machine help to list supported machines\n");
2687 } else {
2688 printf("Supported machines are:\n");
2689 machines = g_slist_sort(machines, machine_class_cmp);
2690 for (el = machines; el; el = el->next) {
2691 MachineClass *mc = el->data;
2692 if (mc->alias) {
2693 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2694 }
2695 printf("%-20s %s%s\n", mc->name, mc->desc,
2696 mc->is_default ? " (default)" : "");
2697 }
2698 }
2699
2700 g_slist_free(machines);
2701 exit(!name || !is_help_option(name));
2702 }
2703
2704 void qemu_add_exit_notifier(Notifier *notify)
2705 {
2706 notifier_list_add(&exit_notifiers, notify);
2707 }
2708
2709 void qemu_remove_exit_notifier(Notifier *notify)
2710 {
2711 notifier_remove(notify);
2712 }
2713
2714 static void qemu_run_exit_notifiers(void)
2715 {
2716 notifier_list_notify(&exit_notifiers, NULL);
2717 }
2718
2719 static bool machine_init_done;
2720
2721 void qemu_add_machine_init_done_notifier(Notifier *notify)
2722 {
2723 notifier_list_add(&machine_init_done_notifiers, notify);
2724 if (machine_init_done) {
2725 notify->notify(notify, NULL);
2726 }
2727 }
2728
2729 static void qemu_run_machine_init_done_notifiers(void)
2730 {
2731 notifier_list_notify(&machine_init_done_notifiers, NULL);
2732 machine_init_done = true;
2733 }
2734
2735 static const QEMUOption *lookup_opt(int argc, char **argv,
2736 const char **poptarg, int *poptind)
2737 {
2738 const QEMUOption *popt;
2739 int optind = *poptind;
2740 char *r = argv[optind];
2741 const char *optarg;
2742
2743 loc_set_cmdline(argv, optind, 1);
2744 optind++;
2745 /* Treat --foo the same as -foo. */
2746 if (r[1] == '-')
2747 r++;
2748 popt = qemu_options;
2749 for(;;) {
2750 if (!popt->name) {
2751 error_report("invalid option");
2752 exit(1);
2753 }
2754 if (!strcmp(popt->name, r + 1))
2755 break;
2756 popt++;
2757 }
2758 if (popt->flags & HAS_ARG) {
2759 if (optind >= argc) {
2760 error_report("requires an argument");
2761 exit(1);
2762 }
2763 optarg = argv[optind++];
2764 loc_set_cmdline(argv, optind - 2, 2);
2765 } else {
2766 optarg = NULL;
2767 }
2768
2769 *poptarg = optarg;
2770 *poptind = optind;
2771
2772 return popt;
2773 }
2774
2775 static MachineClass *select_machine(void)
2776 {
2777 MachineClass *machine_class = find_default_machine();
2778 const char *optarg;
2779 QemuOpts *opts;
2780 Location loc;
2781
2782 loc_push_none(&loc);
2783
2784 opts = qemu_get_machine_opts();
2785 qemu_opts_loc_restore(opts);
2786
2787 optarg = qemu_opt_get(opts, "type");
2788 if (optarg) {
2789 machine_class = machine_parse(optarg);
2790 }
2791
2792 if (!machine_class) {
2793 error_report("No machine specified, and there is no default");
2794 error_printf("Use -machine help to list supported machines\n");
2795 exit(1);
2796 }
2797
2798 loc_pop(&loc);
2799 return machine_class;
2800 }
2801
2802 static int machine_set_property(void *opaque,
2803 const char *name, const char *value,
2804 Error **errp)
2805 {
2806 Object *obj = OBJECT(opaque);
2807 Error *local_err = NULL;
2808 char *c, *qom_name;
2809
2810 if (strcmp(name, "type") == 0) {
2811 return 0;
2812 }
2813
2814 qom_name = g_strdup(name);
2815 c = qom_name;
2816 while (*c++) {
2817 if (*c == '_') {
2818 *c = '-';
2819 }
2820 }
2821
2822 object_property_parse(obj, value, qom_name, &local_err);
2823 g_free(qom_name);
2824
2825 if (local_err) {
2826 error_report_err(local_err);
2827 return -1;
2828 }
2829
2830 return 0;
2831 }
2832
2833
2834 /*
2835 * Initial object creation happens before all other
2836 * QEMU data types are created. The majority of objects
2837 * can be created at this point. The rng-egd object
2838 * cannot be created here, as it depends on the chardev
2839 * already existing.
2840 */
2841 static bool object_create_initial(const char *type)
2842 {
2843 if (g_str_equal(type, "rng-egd")) {
2844 return false;
2845 }
2846
2847 /*
2848 * return false for concrete netfilters since
2849 * they depend on netdevs already existing
2850 */
2851 if (g_str_equal(type, "filter-buffer") ||
2852 g_str_equal(type, "filter-dump") ||
2853 g_str_equal(type, "filter-mirror") ||
2854 g_str_equal(type, "filter-redirector")) {
2855 return false;
2856 }
2857
2858 return true;
2859 }
2860
2861
2862 /*
2863 * The remainder of object creation happens after the
2864 * creation of chardev, fsdev, net clients and device data types.
2865 */
2866 static bool object_create_delayed(const char *type)
2867 {
2868 return !object_create_initial(type);
2869 }
2870
2871
2872 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2873 MachineClass *mc)
2874 {
2875 uint64_t sz;
2876 const char *mem_str;
2877 const char *maxmem_str, *slots_str;
2878 const ram_addr_t default_ram_size = mc->default_ram_size;
2879 QemuOpts *opts = qemu_find_opts_singleton("memory");
2880 Location loc;
2881
2882 loc_push_none(&loc);
2883 qemu_opts_loc_restore(opts);
2884
2885 sz = 0;
2886 mem_str = qemu_opt_get(opts, "size");
2887 if (mem_str) {
2888 if (!*mem_str) {
2889 error_report("missing 'size' option value");
2890 exit(EXIT_FAILURE);
2891 }
2892
2893 sz = qemu_opt_get_size(opts, "size", ram_size);
2894
2895 /* Fix up legacy suffix-less format */
2896 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2897 uint64_t overflow_check = sz;
2898
2899 sz <<= 20;
2900 if ((sz >> 20) != overflow_check) {
2901 error_report("too large 'size' option value");
2902 exit(EXIT_FAILURE);
2903 }
2904 }
2905 }
2906
2907 /* backward compatibility behaviour for case "-m 0" */
2908 if (sz == 0) {
2909 sz = default_ram_size;
2910 }
2911
2912 sz = QEMU_ALIGN_UP(sz, 8192);
2913 ram_size = sz;
2914 if (ram_size != sz) {
2915 error_report("ram size too large");
2916 exit(EXIT_FAILURE);
2917 }
2918
2919 /* store value for the future use */
2920 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2921 *maxram_size = ram_size;
2922
2923 maxmem_str = qemu_opt_get(opts, "maxmem");
2924 slots_str = qemu_opt_get(opts, "slots");
2925 if (maxmem_str && slots_str) {
2926 uint64_t slots;
2927
2928 sz = qemu_opt_get_size(opts, "maxmem", 0);
2929 slots = qemu_opt_get_number(opts, "slots", 0);
2930 if (sz < ram_size) {
2931 error_report("invalid value of -m option maxmem: "
2932 "maximum memory size (0x%" PRIx64 ") must be at least "
2933 "the initial memory size (0x" RAM_ADDR_FMT ")",
2934 sz, ram_size);
2935 exit(EXIT_FAILURE);
2936 } else if (sz > ram_size) {
2937 if (!slots) {
2938 error_report("invalid value of -m option: maxmem was "
2939 "specified, but no hotplug slots were specified");
2940 exit(EXIT_FAILURE);
2941 }
2942 } else if (slots) {
2943 error_report("invalid value of -m option maxmem: "
2944 "memory slots were specified but maximum memory size "
2945 "(0x%" PRIx64 ") is equal to the initial memory size "
2946 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2947 exit(EXIT_FAILURE);
2948 }
2949
2950 *maxram_size = sz;
2951 *ram_slots = slots;
2952 } else if ((!maxmem_str && slots_str) ||
2953 (maxmem_str && !slots_str)) {
2954 error_report("invalid -m option value: missing "
2955 "'%s' option", slots_str ? "maxmem" : "slots");
2956 exit(EXIT_FAILURE);
2957 }
2958
2959 loc_pop(&loc);
2960 }
2961
2962 int main(int argc, char **argv, char **envp)
2963 {
2964 int i;
2965 int snapshot, linux_boot;
2966 const char *initrd_filename;
2967 const char *kernel_filename, *kernel_cmdline;
2968 const char *boot_order = NULL;
2969 const char *boot_once = NULL;
2970 DisplayState *ds;
2971 int cyls, heads, secs, translation;
2972 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2973 QemuOptsList *olist;
2974 int optind;
2975 const char *optarg;
2976 const char *loadvm = NULL;
2977 MachineClass *machine_class;
2978 const char *cpu_model;
2979 const char *vga_model = NULL;
2980 const char *qtest_chrdev = NULL;
2981 const char *qtest_log = NULL;
2982 const char *pid_file = NULL;
2983 const char *incoming = NULL;
2984 #ifdef CONFIG_VNC
2985 int show_vnc_port = 0;
2986 #endif
2987 bool defconfig = true;
2988 bool userconfig = true;
2989 const char *log_mask = NULL;
2990 const char *log_file = NULL;
2991 char *trace_file = NULL;
2992 ram_addr_t maxram_size;
2993 uint64_t ram_slots = 0;
2994 FILE *vmstate_dump_file = NULL;
2995 Error *main_loop_err = NULL;
2996 Error *err = NULL;
2997
2998 qemu_init_cpu_loop();
2999 qemu_mutex_lock_iothread();
3000
3001 atexit(qemu_run_exit_notifiers);
3002 error_set_progname(argv[0]);
3003 qemu_init_exec_dir(argv[0]);
3004
3005 module_call_init(MODULE_INIT_QOM);
3006
3007 qemu_add_opts(&qemu_drive_opts);
3008 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3009 qemu_add_drive_opts(&qemu_common_drive_opts);
3010 qemu_add_drive_opts(&qemu_drive_opts);
3011 qemu_add_opts(&qemu_chardev_opts);
3012 qemu_add_opts(&qemu_device_opts);
3013 qemu_add_opts(&qemu_netdev_opts);
3014 qemu_add_opts(&qemu_net_opts);
3015 qemu_add_opts(&qemu_rtc_opts);
3016 qemu_add_opts(&qemu_global_opts);
3017 qemu_add_opts(&qemu_mon_opts);
3018 qemu_add_opts(&qemu_trace_opts);
3019 qemu_add_opts(&qemu_option_rom_opts);
3020 qemu_add_opts(&qemu_machine_opts);
3021 qemu_add_opts(&qemu_mem_opts);
3022 qemu_add_opts(&qemu_smp_opts);
3023 qemu_add_opts(&qemu_boot_opts);
3024 qemu_add_opts(&qemu_sandbox_opts);
3025 qemu_add_opts(&qemu_add_fd_opts);
3026 qemu_add_opts(&qemu_object_opts);
3027 qemu_add_opts(&qemu_tpmdev_opts);
3028 qemu_add_opts(&qemu_realtime_opts);
3029 qemu_add_opts(&qemu_msg_opts);
3030 qemu_add_opts(&qemu_name_opts);
3031 qemu_add_opts(&qemu_numa_opts);
3032 qemu_add_opts(&qemu_icount_opts);
3033 qemu_add_opts(&qemu_semihosting_config_opts);
3034 qemu_add_opts(&qemu_fw_cfg_opts);
3035 module_call_init(MODULE_INIT_OPTS);
3036
3037 runstate_init();
3038
3039 if (qcrypto_init(&err) < 0) {
3040 error_reportf_err(err, "cannot initialize crypto: ");
3041 exit(1);
3042 }
3043 rtc_clock = QEMU_CLOCK_HOST;
3044
3045 QLIST_INIT (&vm_change_state_head);
3046 os_setup_early_signal_handling();
3047
3048 cpu_model = NULL;
3049 snapshot = 0;
3050 cyls = heads = secs = 0;
3051 translation = BIOS_ATA_TRANSLATION_AUTO;
3052
3053 nb_nics = 0;
3054
3055 bdrv_init_with_whitelist();
3056
3057 autostart = 1;
3058
3059 /* first pass of option parsing */
3060 optind = 1;
3061 while (optind < argc) {
3062 if (argv[optind][0] != '-') {
3063 /* disk image */
3064 optind++;
3065 } else {
3066 const QEMUOption *popt;
3067
3068 popt = lookup_opt(argc, argv, &optarg, &optind);
3069 switch (popt->index) {
3070 case QEMU_OPTION_nodefconfig:
3071 defconfig = false;
3072 break;
3073 case QEMU_OPTION_nouserconfig:
3074 userconfig = false;
3075 break;
3076 }
3077 }
3078 }
3079
3080 if (defconfig) {
3081 int ret;
3082 ret = qemu_read_default_config_files(userconfig);
3083 if (ret < 0) {
3084 exit(1);
3085 }
3086 }
3087
3088 /* second pass of option parsing */
3089 optind = 1;
3090 for(;;) {
3091 if (optind >= argc)
3092 break;
3093 if (argv[optind][0] != '-') {
3094 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3095 } else {
3096 const QEMUOption *popt;
3097
3098 popt = lookup_opt(argc, argv, &optarg, &optind);
3099 if (!(popt->arch_mask & arch_type)) {
3100 printf("Option %s not supported for this target\n", popt->name);
3101 exit(1);
3102 }
3103 switch(popt->index) {
3104 case QEMU_OPTION_no_kvm_irqchip: {
3105 olist = qemu_find_opts("machine");
3106 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3107 break;
3108 }
3109 case QEMU_OPTION_cpu:
3110 /* hw initialization will check this */
3111 cpu_model = optarg;
3112 break;
3113 case QEMU_OPTION_hda:
3114 {
3115 char buf[256];
3116 if (cyls == 0)
3117 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3118 else
3119 snprintf(buf, sizeof(buf),
3120 "%s,cyls=%d,heads=%d,secs=%d%s",
3121 HD_OPTS , cyls, heads, secs,
3122 translation == BIOS_ATA_TRANSLATION_LBA ?
3123 ",trans=lba" :
3124 translation == BIOS_ATA_TRANSLATION_NONE ?
3125 ",trans=none" : "");
3126 drive_add(IF_DEFAULT, 0, optarg, buf);
3127 break;
3128 }
3129 case QEMU_OPTION_hdb:
3130 case QEMU_OPTION_hdc:
3131 case QEMU_OPTION_hdd:
3132 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3133 HD_OPTS);
3134 break;
3135 case QEMU_OPTION_drive:
3136 if (drive_def(optarg) == NULL) {
3137 exit(1);
3138 }
3139 break;
3140 case QEMU_OPTION_set:
3141 if (qemu_set_option(optarg) != 0)
3142 exit(1);
3143 break;
3144 case QEMU_OPTION_global:
3145 if (qemu_global_option(optarg) != 0)
3146 exit(1);
3147 break;
3148 case QEMU_OPTION_mtdblock:
3149 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3150 break;
3151 case QEMU_OPTION_sd:
3152 drive_add(IF_SD, -1, optarg, SD_OPTS);
3153 break;
3154 case QEMU_OPTION_pflash:
3155 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3156 break;
3157 case QEMU_OPTION_snapshot:
3158 snapshot = 1;
3159 break;
3160 case QEMU_OPTION_hdachs:
3161 {
3162 const char *p;
3163 p = optarg;
3164 cyls = strtol(p, (char **)&p, 0);
3165 if (cyls < 1 || cyls > 16383)
3166 goto chs_fail;
3167 if (*p != ',')
3168 goto chs_fail;
3169 p++;
3170 heads = strtol(p, (char **)&p, 0);
3171 if (heads < 1 || heads > 16)
3172 goto chs_fail;
3173 if (*p != ',')
3174 goto chs_fail;
3175 p++;
3176 secs = strtol(p, (char **)&p, 0);
3177 if (secs < 1 || secs > 63)
3178 goto chs_fail;
3179 if (*p == ',') {
3180 p++;
3181 if (!strcmp(p, "large")) {
3182 translation = BIOS_ATA_TRANSLATION_LARGE;
3183 } else if (!strcmp(p, "rechs")) {
3184 translation = BIOS_ATA_TRANSLATION_RECHS;
3185 } else if (!strcmp(p, "none")) {
3186 translation = BIOS_ATA_TRANSLATION_NONE;
3187 } else if (!strcmp(p, "lba")) {
3188 translation = BIOS_ATA_TRANSLATION_LBA;
3189 } else if (!strcmp(p, "auto")) {
3190 translation = BIOS_ATA_TRANSLATION_AUTO;
3191 } else {
3192 goto chs_fail;
3193 }
3194 } else if (*p != '\0') {
3195 chs_fail:
3196 error_report("invalid physical CHS format");
3197 exit(1);
3198 }
3199 if (hda_opts != NULL) {
3200 qemu_opt_set_number(hda_opts, "cyls", cyls,
3201 &error_abort);
3202 qemu_opt_set_number(hda_opts, "heads", heads,
3203 &error_abort);
3204 qemu_opt_set_number(hda_opts, "secs", secs,
3205 &error_abort);
3206 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3207 qemu_opt_set(hda_opts, "trans", "large",
3208 &error_abort);
3209 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3210 qemu_opt_set(hda_opts, "trans", "rechs",
3211 &error_abort);
3212 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3213 qemu_opt_set(hda_opts, "trans", "lba",
3214 &error_abort);
3215 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3216 qemu_opt_set(hda_opts, "trans", "none",
3217 &error_abort);
3218 }
3219 }
3220 }
3221 break;
3222 case QEMU_OPTION_numa:
3223 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3224 optarg, true);
3225 if (!opts) {
3226 exit(1);
3227 }
3228 break;
3229 case QEMU_OPTION_display:
3230 display_type = select_display(optarg);
3231 break;
3232 case QEMU_OPTION_nographic:
3233 display_type = DT_NOGRAPHIC;
3234 break;
3235 case QEMU_OPTION_curses:
3236 #ifdef CONFIG_CURSES
3237 display_type = DT_CURSES;
3238 #else
3239 error_report("curses support is disabled");
3240 exit(1);
3241 #endif
3242 break;
3243 case QEMU_OPTION_portrait:
3244 graphic_rotate = 90;
3245 break;
3246 case QEMU_OPTION_rotate:
3247 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3248 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3249 graphic_rotate != 180 && graphic_rotate != 270) {
3250 error_report("only 90, 180, 270 deg rotation is available");
3251 exit(1);
3252 }
3253 break;
3254 case QEMU_OPTION_kernel:
3255 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3256 &error_abort);
3257 break;
3258 case QEMU_OPTION_initrd:
3259 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3260 &error_abort);
3261 break;
3262 case QEMU_OPTION_append:
3263 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3264 &error_abort);
3265 break;
3266 case QEMU_OPTION_dtb:
3267 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3268 &error_abort);
3269 break;
3270 case QEMU_OPTION_cdrom:
3271 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3272 break;
3273 case QEMU_OPTION_boot:
3274 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3275 optarg, true);
3276 if (!opts) {
3277 exit(1);
3278 }
3279 break;
3280 case QEMU_OPTION_fda:
3281 case QEMU_OPTION_fdb:
3282 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3283 optarg, FD_OPTS);
3284 break;
3285 case QEMU_OPTION_no_fd_bootchk:
3286 fd_bootchk = 0;
3287 break;
3288 case QEMU_OPTION_netdev:
3289 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3290 exit(1);
3291 }
3292 break;
3293 case QEMU_OPTION_net:
3294 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3295 exit(1);
3296 }
3297 break;
3298 #ifdef CONFIG_LIBISCSI
3299 case QEMU_OPTION_iscsi:
3300 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3301 optarg, false);
3302 if (!opts) {
3303 exit(1);
3304 }
3305 break;
3306 #endif
3307 #ifdef CONFIG_SLIRP
3308 case QEMU_OPTION_tftp:
3309 error_report("The -tftp option is deprecated. "
3310 "Please use '-netdev user,tftp=...' instead.");
3311 legacy_tftp_prefix = optarg;
3312 break;
3313 case QEMU_OPTION_bootp:
3314 error_report("The -bootp option is deprecated. "
3315 "Please use '-netdev user,bootfile=...' instead.");
3316 legacy_bootp_filename = optarg;
3317 break;
3318 case QEMU_OPTION_redir:
3319 error_report("The -redir option is deprecated. "
3320 "Please use '-netdev user,hostfwd=...' instead.");
3321 if (net_slirp_redir(optarg) < 0)
3322 exit(1);
3323 break;
3324 #endif
3325 case QEMU_OPTION_bt:
3326 add_device_config(DEV_BT, optarg);
3327 break;
3328 case QEMU_OPTION_audio_help:
3329 AUD_help ();
3330 exit (0);
3331 break;
3332 case QEMU_OPTION_soundhw:
3333 select_soundhw (optarg);
3334 break;
3335 case QEMU_OPTION_h:
3336 help(0);
3337 break;
3338 case QEMU_OPTION_version:
3339 version();
3340 exit(0);
3341 break;
3342 case QEMU_OPTION_m:
3343 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3344 optarg, true);
3345 if (!opts) {
3346 exit(EXIT_FAILURE);
3347 }
3348 break;
3349 #ifdef CONFIG_TPM
3350 case QEMU_OPTION_tpmdev:
3351 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3352 exit(1);
3353 }
3354 break;
3355 #endif
3356 case QEMU_OPTION_mempath:
3357 mem_path = optarg;
3358 break;
3359 case QEMU_OPTION_mem_prealloc:
3360 mem_prealloc = 1;
3361 break;
3362 case QEMU_OPTION_d:
3363 log_mask = optarg;
3364 break;
3365 case QEMU_OPTION_D:
3366 log_file = optarg;
3367 break;
3368 case QEMU_OPTION_DFILTER:
3369 qemu_set_dfilter_ranges(optarg);
3370 break;
3371 case QEMU_OPTION_s:
3372 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3373 break;
3374 case QEMU_OPTION_gdb:
3375 add_device_config(DEV_GDB, optarg);
3376 break;
3377 case QEMU_OPTION_L:
3378 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3379 data_dir[data_dir_idx++] = optarg;
3380 }
3381 break;
3382 case QEMU_OPTION_bios:
3383 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3384 &error_abort);
3385 break;
3386 case QEMU_OPTION_singlestep:
3387 singlestep = 1;
3388 break;
3389 case QEMU_OPTION_S:
3390 autostart = 0;
3391 break;
3392 case QEMU_OPTION_k:
3393 keyboard_layout = optarg;
3394 break;
3395 case QEMU_OPTION_localtime:
3396 rtc_utc = 0;
3397 break;
3398 case QEMU_OPTION_vga:
3399 vga_model = optarg;
3400 default_vga = 0;
3401 break;
3402 case QEMU_OPTION_g:
3403 {
3404 const char *p;
3405 int w, h, depth;
3406 p = optarg;
3407 w = strtol(p, (char **)&p, 10);
3408 if (w <= 0) {
3409 graphic_error:
3410 error_report("invalid resolution or depth");
3411 exit(1);
3412 }
3413 if (*p != 'x')
3414 goto graphic_error;
3415 p++;
3416 h = strtol(p, (char **)&p, 10);
3417 if (h <= 0)
3418 goto graphic_error;
3419 if (*p == 'x') {
3420 p++;
3421 depth = strtol(p, (char **)&p, 10);
3422 if (depth != 8 && depth != 15 && depth != 16 &&
3423 depth != 24 && depth != 32)
3424 goto graphic_error;
3425 } else if (*p == '\0') {
3426 depth = graphic_depth;
3427 } else {
3428 goto graphic_error;
3429 }
3430
3431 graphic_width = w;
3432 graphic_height = h;
3433 graphic_depth = depth;
3434 }
3435 break;
3436 case QEMU_OPTION_echr:
3437 {
3438 char *r;
3439 term_escape_char = strtol(optarg, &r, 0);
3440 if (r == optarg)
3441 printf("Bad argument to echr\n");
3442 break;
3443 }
3444 case QEMU_OPTION_monitor:
3445 default_monitor = 0;
3446 if (strncmp(optarg, "none", 4)) {
3447 monitor_parse(optarg, "readline", false);
3448 }
3449 break;
3450 case QEMU_OPTION_qmp:
3451 monitor_parse(optarg, "control", false);
3452 default_monitor = 0;
3453 break;
3454 case QEMU_OPTION_qmp_pretty:
3455 monitor_parse(optarg, "control", true);
3456 default_monitor = 0;
3457 break;
3458 case QEMU_OPTION_mon:
3459 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3460 true);
3461 if (!opts) {
3462 exit(1);
3463 }
3464 default_monitor = 0;
3465 break;
3466 case QEMU_OPTION_chardev:
3467 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3468 optarg, true);
3469 if (!opts) {
3470 exit(1);
3471 }
3472 break;
3473 case QEMU_OPTION_fsdev:
3474 olist = qemu_find_opts("fsdev");
3475 if (!olist) {
3476 error_report("fsdev support is disabled");
3477 exit(1);
3478 }
3479 opts = qemu_opts_parse_noisily(olist, optarg, true);
3480 if (!opts) {
3481 exit(1);
3482 }
3483 break;
3484 case QEMU_OPTION_virtfs: {
3485 QemuOpts *fsdev;
3486 QemuOpts *device;
3487 const char *writeout, *sock_fd, *socket;
3488
3489 olist = qemu_find_opts("virtfs");
3490 if (!olist) {
3491 error_report("virtfs support is disabled");
3492 exit(1);
3493 }
3494 opts = qemu_opts_parse_noisily(olist, optarg, true);
3495 if (!opts) {
3496 exit(1);
3497 }
3498
3499 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3500 qemu_opt_get(opts, "mount_tag") == NULL) {
3501 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3502 exit(1);
3503 }
3504 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3505 qemu_opt_get(opts, "mount_tag"),
3506 1, NULL);
3507 if (!fsdev) {
3508 error_report("duplicate fsdev id: %s",
3509 qemu_opt_get(opts, "mount_tag"));
3510 exit(1);
3511 }
3512
3513 writeout = qemu_opt_get(opts, "writeout");
3514 if (writeout) {
3515 #ifdef CONFIG_SYNC_FILE_RANGE
3516 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3517 #else
3518 error_report("writeout=immediate not supported "
3519 "on this platform");
3520 exit(1);
3521 #endif
3522 }
3523 qemu_opt_set(fsdev, "fsdriver",
3524 qemu_opt_get(opts, "fsdriver"), &error_abort);
3525 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3526 &error_abort);
3527 qemu_opt_set(fsdev, "security_model",
3528 qemu_opt_get(opts, "security_model"),
3529 &error_abort);
3530 socket = qemu_opt_get(opts, "socket");
3531 if (socket) {
3532 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3533 }
3534 sock_fd = qemu_opt_get(opts, "sock_fd");
3535 if (sock_fd) {
3536 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3537 }
3538
3539 qemu_opt_set_bool(fsdev, "readonly",
3540 qemu_opt_get_bool(opts, "readonly", 0),
3541 &error_abort);
3542 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3543 &error_abort);
3544 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3545 qemu_opt_set(device, "fsdev",
3546 qemu_opt_get(opts, "mount_tag"), &error_abort);
3547 qemu_opt_set(device, "mount_tag",
3548 qemu_opt_get(opts, "mount_tag"), &error_abort);
3549 break;
3550 }
3551 case QEMU_OPTION_virtfs_synth: {
3552 QemuOpts *fsdev;
3553 QemuOpts *device;
3554
3555 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3556 1, NULL);
3557 if (!fsdev) {
3558 error_report("duplicate option: %s", "virtfs_synth");
3559 exit(1);
3560 }
3561 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3562
3563 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3564 &error_abort);
3565 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3566 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3567 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3568 break;
3569 }
3570 case QEMU_OPTION_serial:
3571 add_device_config(DEV_SERIAL, optarg);
3572 default_serial = 0;
3573 if (strncmp(optarg, "mon:", 4) == 0) {
3574 default_monitor = 0;
3575 }
3576 break;
3577 case QEMU_OPTION_watchdog:
3578 if (watchdog) {
3579 error_report("only one watchdog option may be given");
3580 return 1;
3581 }
3582 watchdog = optarg;
3583 break;
3584 case QEMU_OPTION_watchdog_action:
3585 if (select_watchdog_action(optarg) == -1) {
3586 error_report("unknown -watchdog-action parameter");
3587 exit(1);
3588 }
3589 break;
3590 case QEMU_OPTION_virtiocon:
3591 add_device_config(DEV_VIRTCON, optarg);
3592 default_virtcon = 0;
3593 if (strncmp(optarg, "mon:", 4) == 0) {
3594 default_monitor = 0;
3595 }
3596 break;
3597 case QEMU_OPTION_parallel:
3598 add_device_config(DEV_PARALLEL, optarg);
3599 default_parallel = 0;
3600 if (strncmp(optarg, "mon:", 4) == 0) {
3601 default_monitor = 0;
3602 }
3603 break;
3604 case QEMU_OPTION_debugcon:
3605 add_device_config(DEV_DEBUGCON, optarg);
3606 break;
3607 case QEMU_OPTION_loadvm:
3608 loadvm = optarg;
3609 break;
3610 case QEMU_OPTION_full_screen:
3611 full_screen = 1;
3612 break;
3613 case QEMU_OPTION_no_frame:
3614 no_frame = 1;
3615 break;
3616 case QEMU_OPTION_alt_grab:
3617 alt_grab = 1;
3618 break;
3619 case QEMU_OPTION_ctrl_grab:
3620 ctrl_grab = 1;
3621 break;
3622 case QEMU_OPTION_no_quit:
3623 no_quit = 1;
3624 break;
3625 case QEMU_OPTION_sdl:
3626 #ifdef CONFIG_SDL
3627 display_type = DT_SDL;
3628 break;
3629 #else
3630 error_report("SDL support is disabled");
3631 exit(1);
3632 #endif
3633 case QEMU_OPTION_pidfile:
3634 pid_file = optarg;
3635 break;
3636 case QEMU_OPTION_win2k_hack:
3637 win2k_install_hack = 1;
3638 break;
3639 case QEMU_OPTION_rtc_td_hack: {
3640 static GlobalProperty slew_lost_ticks[] = {
3641 {
3642 .driver = "mc146818rtc",
3643 .property = "lost_tick_policy",
3644 .value = "slew",
3645 },
3646 { /* end of list */ }
3647 };
3648
3649 qdev_prop_register_global_list(slew_lost_ticks);
3650 break;
3651 }
3652 case QEMU_OPTION_acpitable:
3653 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3654 optarg, true);
3655 if (!opts) {
3656 exit(1);
3657 }
3658 do_acpitable_option(opts);
3659 break;
3660 case QEMU_OPTION_smbios:
3661 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3662 optarg, false);
3663 if (!opts) {
3664 exit(1);
3665 }
3666 do_smbios_option(opts);
3667 break;
3668 case QEMU_OPTION_fwcfg:
3669 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3670 optarg, true);
3671 if (opts == NULL) {
3672 exit(1);
3673 }
3674 break;
3675 case QEMU_OPTION_enable_kvm:
3676 olist = qemu_find_opts("machine");
3677 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3678 break;
3679 case QEMU_OPTION_M:
3680 case QEMU_OPTION_machine:
3681 olist = qemu_find_opts("machine");
3682 opts = qemu_opts_parse_noisily(olist, optarg, true);
3683 if (!opts) {
3684 exit(1);
3685 }
3686 break;
3687 case QEMU_OPTION_no_kvm:
3688 olist = qemu_find_opts("machine");
3689 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3690 break;
3691 case QEMU_OPTION_no_kvm_pit: {
3692 error_report("warning: ignoring deprecated option");
3693 break;
3694 }
3695 case QEMU_OPTION_no_kvm_pit_reinjection: {
3696 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3697 {
3698 .driver = "kvm-pit",
3699 .property = "lost_tick_policy",
3700 .value = "discard",
3701 },
3702 { /* end of list */ }
3703 };
3704
3705 error_report("warning: deprecated, replaced by "
3706 "-global kvm-pit.lost_tick_policy=discard");
3707 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3708 break;
3709 }
3710 case QEMU_OPTION_usb:
3711 olist = qemu_find_opts("machine");
3712 qemu_opts_parse_noisily(olist, "usb=on", false);
3713 break;
3714 case QEMU_OPTION_usbdevice:
3715 olist = qemu_find_opts("machine");
3716 qemu_opts_parse_noisily(olist, "usb=on", false);
3717 add_device_config(DEV_USB, optarg);
3718 break;
3719 case QEMU_OPTION_device:
3720 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3721 optarg, true)) {
3722 exit(1);
3723 }
3724 break;
3725 case QEMU_OPTION_smp:
3726 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3727 optarg, true)) {
3728 exit(1);
3729 }
3730 break;
3731 case QEMU_OPTION_vnc:
3732 {
3733 #ifdef CONFIG_VNC
3734 Error *local_err = NULL;
3735
3736 if (vnc_parse(optarg, &local_err) == NULL) {
3737 error_report_err(local_err);
3738 exit(1);
3739 }
3740 #else
3741 error_report("VNC support is disabled");
3742 exit(1);
3743 #endif
3744 break;
3745 }
3746 case QEMU_OPTION_no_acpi:
3747 acpi_enabled = 0;
3748 break;
3749 case QEMU_OPTION_no_hpet:
3750 no_hpet = 1;
3751 break;
3752 case QEMU_OPTION_balloon:
3753 if (balloon_parse(optarg) < 0) {
3754 error_report("unknown -balloon argument %s", optarg);
3755 exit(1);
3756 }
3757 break;
3758 case QEMU_OPTION_no_reboot:
3759 no_reboot = 1;
3760 break;
3761 case QEMU_OPTION_no_shutdown:
3762 no_shutdown = 1;
3763 break;
3764 case QEMU_OPTION_show_cursor:
3765 cursor_hide = 0;
3766 break;
3767 case QEMU_OPTION_uuid:
3768 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3769 error_report("failed to parse UUID string: wrong format");
3770 exit(1);
3771 }
3772 qemu_uuid_set = true;
3773 break;
3774 case QEMU_OPTION_option_rom:
3775 if (nb_option_roms >= MAX_OPTION_ROMS) {
3776 error_report("too many option ROMs");
3777 exit(1);
3778 }
3779 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3780 optarg, true);
3781 if (!opts) {
3782 exit(1);
3783 }
3784 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3785 option_rom[nb_option_roms].bootindex =
3786 qemu_opt_get_number(opts, "bootindex", -1);
3787 if (!option_rom[nb_option_roms].name) {
3788 error_report("Option ROM file is not specified");
3789 exit(1);
3790 }
3791 nb_option_roms++;
3792 break;
3793 case QEMU_OPTION_semihosting:
3794 semihosting.enabled = true;
3795 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3796 break;
3797 case QEMU_OPTION_semihosting_config:
3798 semihosting.enabled = true;
3799 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3800 optarg, false);
3801 if (opts != NULL) {
3802 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3803 true);
3804 const char *target = qemu_opt_get(opts, "target");
3805 if (target != NULL) {
3806 if (strcmp("native", target) == 0) {
3807 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3808 } else if (strcmp("gdb", target) == 0) {
3809 semihosting.target = SEMIHOSTING_TARGET_GDB;
3810 } else if (strcmp("auto", target) == 0) {
3811 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3812 } else {
3813 error_report("unsupported semihosting-config %s",
3814 optarg);
3815 exit(1);
3816 }
3817 } else {
3818 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3819 }
3820 /* Set semihosting argument count and vector */
3821 qemu_opt_foreach(opts, add_semihosting_arg,
3822 &semihosting, NULL);
3823 } else {
3824 error_report("unsupported semihosting-config %s", optarg);
3825 exit(1);
3826 }
3827 break;
3828 case QEMU_OPTION_tdf:
3829 error_report("warning: ignoring deprecated option");
3830 break;
3831 case QEMU_OPTION_name:
3832 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3833 optarg, true);
3834 if (!opts) {
3835 exit(1);
3836 }
3837 break;
3838 case QEMU_OPTION_prom_env:
3839 if (nb_prom_envs >= MAX_PROM_ENVS) {
3840 error_report("too many prom variables");
3841 exit(1);
3842 }
3843 prom_envs[nb_prom_envs] = optarg;
3844 nb_prom_envs++;
3845 break;
3846 case QEMU_OPTION_old_param:
3847 old_param = 1;
3848 break;
3849 case QEMU_OPTION_clock:
3850 /* Clock options no longer exist. Keep this option for
3851 * backward compatibility.
3852 */
3853 break;
3854 case QEMU_OPTION_startdate:
3855 configure_rtc_date_offset(optarg, 1);
3856 break;
3857 case QEMU_OPTION_rtc:
3858 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3859 false);
3860 if (!opts) {
3861 exit(1);
3862 }
3863 configure_rtc(opts);
3864 break;
3865 case QEMU_OPTION_tb_size:
3866 tcg_tb_size = strtol(optarg, NULL, 0);
3867 if (tcg_tb_size < 0) {
3868 tcg_tb_size = 0;
3869 }
3870 break;
3871 case QEMU_OPTION_icount:
3872 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3873 optarg, true);
3874 if (!icount_opts) {
3875 exit(1);
3876 }
3877 break;
3878 case QEMU_OPTION_incoming:
3879 if (!incoming) {
3880 runstate_set(RUN_STATE_INMIGRATE);
3881 }
3882 incoming = optarg;
3883 break;
3884 case QEMU_OPTION_nodefaults:
3885 has_defaults = 0;
3886 break;
3887 case QEMU_OPTION_xen_domid:
3888 if (!(xen_available())) {
3889 printf("Option %s not supported for this target\n", popt->name);
3890 exit(1);
3891 }
3892 xen_domid = atoi(optarg);
3893 break;
3894 case QEMU_OPTION_xen_create:
3895 if (!(xen_available())) {
3896 printf("Option %s not supported for this target\n", popt->name);
3897 exit(1);
3898 }
3899 xen_mode = XEN_CREATE;
3900 break;
3901 case QEMU_OPTION_xen_attach:
3902 if (!(xen_available())) {
3903 printf("Option %s not supported for this target\n", popt->name);
3904 exit(1);
3905 }
3906 xen_mode = XEN_ATTACH;
3907 break;
3908 case QEMU_OPTION_trace:
3909 {
3910 opts = qemu_opts_parse_noisily(qemu_find_opts("trace"),
3911 optarg, true);
3912 if (!opts) {
3913 exit(1);
3914 }
3915 if (qemu_opt_get(opts, "enable")) {
3916 trace_enable_events(qemu_opt_get(opts, "enable"));
3917 }
3918 trace_init_events(qemu_opt_get(opts, "events"));
3919 if (trace_file) {
3920 g_free(trace_file);
3921 }
3922 trace_file = g_strdup(qemu_opt_get(opts, "file"));
3923 qemu_opts_del(opts);
3924 break;
3925 }
3926 case QEMU_OPTION_readconfig:
3927 {
3928 int ret = qemu_read_config_file(optarg);
3929 if (ret < 0) {
3930 error_report("read config %s: %s", optarg,
3931 strerror(-ret));
3932 exit(1);
3933 }
3934 break;
3935 }
3936 case QEMU_OPTION_spice:
3937 olist = qemu_find_opts("spice");
3938 if (!olist) {
3939 error_report("spice support is disabled");
3940 exit(1);
3941 }
3942 opts = qemu_opts_parse_noisily(olist, optarg, false);
3943 if (!opts) {
3944 exit(1);
3945 }
3946 display_remote++;
3947 break;
3948 case QEMU_OPTION_writeconfig:
3949 {
3950 FILE *fp;
3951 if (strcmp(optarg, "-") == 0) {
3952 fp = stdout;
3953 } else {
3954 fp = fopen(optarg, "w");
3955 if (fp == NULL) {
3956 error_report("open %s: %s", optarg,
3957 strerror(errno));
3958 exit(1);
3959 }
3960 }
3961 qemu_config_write(fp);
3962 if (fp != stdout) {
3963 fclose(fp);
3964 }
3965 break;
3966 }
3967 case QEMU_OPTION_qtest:
3968 qtest_chrdev = optarg;
3969 break;
3970 case QEMU_OPTION_qtest_log:
3971 qtest_log = optarg;
3972 break;
3973 case QEMU_OPTION_sandbox:
3974 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3975 optarg, true);
3976 if (!opts) {
3977 exit(1);
3978 }
3979 break;
3980 case QEMU_OPTION_add_fd:
3981 #ifndef _WIN32
3982 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3983 optarg, false);
3984 if (!opts) {
3985 exit(1);
3986 }
3987 #else
3988 error_report("File descriptor passing is disabled on this "
3989 "platform");
3990 exit(1);
3991 #endif
3992 break;
3993 case QEMU_OPTION_object:
3994 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3995 optarg, true);
3996 if (!opts) {
3997 exit(1);
3998 }
3999 break;
4000 case QEMU_OPTION_realtime:
4001 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
4002 optarg, false);
4003 if (!opts) {
4004 exit(1);
4005 }
4006 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
4007 break;
4008 case QEMU_OPTION_msg:
4009 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
4010 false);
4011 if (!opts) {
4012 exit(1);
4013 }
4014 configure_msg(opts);
4015 break;
4016 case QEMU_OPTION_dump_vmstate:
4017 if (vmstate_dump_file) {
4018 error_report("only one '-dump-vmstate' "
4019 "option may be given");
4020 exit(1);
4021 }
4022 vmstate_dump_file = fopen(optarg, "w");
4023 if (vmstate_dump_file == NULL) {
4024 error_report("open %s: %s", optarg, strerror(errno));
4025 exit(1);
4026 }
4027 break;
4028 default:
4029 os_parse_cmd_args(popt->index, optarg);
4030 }
4031 }
4032 }
4033 /*
4034 * Clear error location left behind by the loop.
4035 * Best done right after the loop. Do not insert code here!
4036 */
4037 loc_set_none();
4038
4039 replay_configure(icount_opts);
4040
4041 machine_class = select_machine();
4042
4043 set_memory_options(&ram_slots, &maxram_size, machine_class);
4044
4045 os_daemonize();
4046
4047 if (qemu_init_main_loop(&main_loop_err)) {
4048 error_report_err(main_loop_err);
4049 exit(1);
4050 }
4051
4052 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4053 parse_sandbox, NULL, NULL)) {
4054 exit(1);
4055 }
4056
4057 if (qemu_opts_foreach(qemu_find_opts("name"),
4058 parse_name, NULL, NULL)) {
4059 exit(1);
4060 }
4061
4062 #ifndef _WIN32
4063 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4064 parse_add_fd, NULL, NULL)) {
4065 exit(1);
4066 }
4067
4068 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4069 cleanup_add_fd, NULL, NULL)) {
4070 exit(1);
4071 }
4072 #endif
4073
4074 current_machine = MACHINE(object_new(object_class_get_name(
4075 OBJECT_CLASS(machine_class))));
4076 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4077 exit(0);
4078 }
4079 object_property_add_child(object_get_root(), "machine",
4080 OBJECT(current_machine), &error_abort);
4081 cpu_exec_init_all();
4082
4083 if (machine_class->hw_version) {
4084 qemu_set_hw_version(machine_class->hw_version);
4085 }
4086
4087 /* Init CPU def lists, based on config
4088 * - Must be called after all the qemu_read_config_file() calls
4089 * - Must be called before list_cpus()
4090 * - Must be called before machine->init()
4091 */
4092 cpudef_init();
4093
4094 if (cpu_model && is_help_option(cpu_model)) {
4095 list_cpus(stdout, &fprintf, cpu_model);
4096 exit(0);
4097 }
4098
4099 if (!trace_init_backends()) {
4100 exit(1);
4101 }
4102 trace_init_file(trace_file);
4103
4104 /* Open the logfile at this point and set the log mask if necessary.
4105 */
4106 if (log_file) {
4107 qemu_set_log_filename(log_file);
4108 }
4109
4110 if (log_mask) {
4111 int mask;
4112 mask = qemu_str_to_log_mask(log_mask);
4113 if (!mask) {
4114 qemu_print_log_usage(stdout);
4115 exit(1);
4116 }
4117 qemu_set_log(mask);
4118 } else {
4119 qemu_set_log(0);
4120 }
4121
4122 /* If no data_dir is specified then try to find it relative to the
4123 executable path. */
4124 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4125 data_dir[data_dir_idx] = os_find_datadir();
4126 if (data_dir[data_dir_idx] != NULL) {
4127 data_dir_idx++;
4128 }
4129 }
4130 /* If all else fails use the install path specified when building. */
4131 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4132 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4133 }
4134
4135 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4136
4137 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4138 if (max_cpus > machine_class->max_cpus) {
4139 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4140 "supported by machine '%s' (%d)", max_cpus,
4141 machine_class->name, machine_class->max_cpus);
4142 exit(1);
4143 }
4144
4145 /*
4146 * Get the default machine options from the machine if it is not already
4147 * specified either by the configuration file or by the command line.
4148 */
4149 if (machine_class->default_machine_opts) {
4150 qemu_opts_set_defaults(qemu_find_opts("machine"),
4151 machine_class->default_machine_opts, 0);
4152 }
4153
4154 qemu_opts_foreach(qemu_find_opts("device"),
4155 default_driver_check, NULL, NULL);
4156 qemu_opts_foreach(qemu_find_opts("global"),
4157 default_driver_check, NULL, NULL);
4158
4159 if (!vga_model && !default_vga) {
4160 vga_interface_type = VGA_DEVICE;
4161 }
4162 if (!has_defaults || machine_class->no_serial) {
4163 default_serial = 0;
4164 }
4165 if (!has_defaults || machine_class->no_parallel) {
4166 default_parallel = 0;
4167 }
4168 if (!has_defaults || !machine_class->use_virtcon) {
4169 default_virtcon = 0;
4170 }
4171 if (!has_defaults || !machine_class->use_sclp) {
4172 default_sclp = 0;
4173 }
4174 if (!has_defaults || machine_class->no_floppy) {
4175 default_floppy = 0;
4176 }
4177 if (!has_defaults || machine_class->no_cdrom) {
4178 default_cdrom = 0;
4179 }
4180 if (!has_defaults || machine_class->no_sdcard) {
4181 default_sdcard = 0;
4182 }
4183 if (!has_defaults) {
4184 default_monitor = 0;
4185 default_net = 0;
4186 default_vga = 0;
4187 }
4188
4189 if (is_daemonized()) {
4190 /* According to documentation and historically, -nographic redirects
4191 * serial port, parallel port and monitor to stdio, which does not work
4192 * with -daemonize. We can redirect these to null instead, but since
4193 * -nographic is legacy, let's just error out.
4194 * We disallow -nographic only if all other ports are not redirected
4195 * explicitly, to not break existing legacy setups which uses
4196 * -nographic _and_ redirects all ports explicitly - this is valid
4197 * usage, -nographic is just a no-op in this case.
4198 */
4199 if (display_type == DT_NOGRAPHIC
4200 && (default_parallel || default_serial
4201 || default_monitor || default_virtcon)) {
4202 error_report("-nographic cannot be used with -daemonize");
4203 exit(1);
4204 }
4205 #ifdef CONFIG_CURSES
4206 if (display_type == DT_CURSES) {
4207 error_report("curses display cannot be used with -daemonize");
4208 exit(1);
4209 }
4210 #endif
4211 }
4212
4213 if (display_type == DT_NOGRAPHIC) {
4214 if (default_parallel)
4215 add_device_config(DEV_PARALLEL, "null");
4216 if (default_serial && default_monitor) {
4217 add_device_config(DEV_SERIAL, "mon:stdio");
4218 } else if (default_virtcon && default_monitor) {
4219 add_device_config(DEV_VIRTCON, "mon:stdio");
4220 } else if (default_sclp && default_monitor) {
4221 add_device_config(DEV_SCLP, "mon:stdio");
4222 } else {
4223 if (default_serial)
4224 add_device_config(DEV_SERIAL, "stdio");
4225 if (default_virtcon)
4226 add_device_config(DEV_VIRTCON, "stdio");
4227 if (default_sclp) {
4228 add_device_config(DEV_SCLP, "stdio");
4229 }
4230 if (default_monitor)
4231 monitor_parse("stdio", "readline", false);
4232 }
4233 } else {
4234 if (default_serial)
4235 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4236 if (default_parallel)
4237 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4238 if (default_monitor)
4239 monitor_parse("vc:80Cx24C", "readline", false);
4240 if (default_virtcon)
4241 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4242 if (default_sclp) {
4243 add_device_config(DEV_SCLP, "vc:80Cx24C");
4244 }
4245 }
4246
4247 #if defined(CONFIG_VNC)
4248 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4249 display_remote++;
4250 }
4251 #endif
4252 if (display_type == DT_DEFAULT && !display_remote) {
4253 #if defined(CONFIG_GTK)
4254 display_type = DT_GTK;
4255 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4256 display_type = DT_SDL;
4257 #elif defined(CONFIG_VNC)
4258 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4259 show_vnc_port = 1;
4260 #else
4261 display_type = DT_NONE;
4262 #endif
4263 }
4264
4265 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4266 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4267 "for SDL, ignoring option");
4268 }
4269 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4270 error_report("-no-quit is only valid for GTK and SDL, "
4271 "ignoring option");
4272 }
4273
4274 #if defined(CONFIG_GTK)
4275 if (display_type == DT_GTK) {
4276 early_gtk_display_init(request_opengl);
4277 }
4278 #endif
4279 #if defined(CONFIG_SDL)
4280 if (display_type == DT_SDL) {
4281 sdl_display_early_init(request_opengl);
4282 }
4283 #endif
4284 if (request_opengl == 1 && display_opengl == 0) {
4285 #if defined(CONFIG_OPENGL)
4286 error_report("OpenGL is not supported by the display");
4287 #else
4288 error_report("OpenGL support is disabled");
4289 #endif
4290 exit(1);
4291 }
4292
4293 page_size_init();
4294 socket_init();
4295
4296 if (qemu_opts_foreach(qemu_find_opts("object"),
4297 user_creatable_add_opts_foreach,
4298 object_create_initial, NULL)) {
4299 exit(1);
4300 }
4301
4302 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4303 chardev_init_func, NULL, NULL)) {
4304 exit(1);
4305 }
4306
4307 #ifdef CONFIG_VIRTFS
4308 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4309 fsdev_init_func, NULL, NULL)) {
4310 exit(1);
4311 }
4312 #endif
4313
4314 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4315 error_report("could not acquire pid file: %s", strerror(errno));
4316 exit(1);
4317 }
4318
4319 if (qemu_opts_foreach(qemu_find_opts("device"),
4320 device_help_func, NULL, NULL)) {
4321 exit(0);
4322 }
4323
4324 machine_opts = qemu_get_machine_opts();
4325 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4326 NULL)) {
4327 object_unref(OBJECT(current_machine));
4328 exit(1);
4329 }
4330
4331 configure_accelerator(current_machine);
4332
4333 if (qtest_chrdev) {
4334 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4335 }
4336
4337 machine_opts = qemu_get_machine_opts();
4338 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4339 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4340 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4341 bios_name = qemu_opt_get(machine_opts, "firmware");
4342
4343 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4344 if (opts) {
4345 boot_order = qemu_opt_get(opts, "order");
4346 if (boot_order) {
4347 validate_bootdevices(boot_order, &error_fatal);
4348 }
4349
4350 boot_once = qemu_opt_get(opts, "once");
4351 if (boot_once) {
4352 validate_bootdevices(boot_once, &error_fatal);
4353 }
4354
4355 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4356 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4357 }
4358
4359 if (!boot_order) {
4360 boot_order = machine_class->default_boot_order;
4361 }
4362
4363 if (!kernel_cmdline) {
4364 kernel_cmdline = "";
4365 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4366 }
4367
4368 linux_boot = (kernel_filename != NULL);
4369
4370 if (!linux_boot && *kernel_cmdline != '\0') {
4371 error_report("-append only allowed with -kernel option");
4372 exit(1);
4373 }
4374
4375 if (!linux_boot && initrd_filename != NULL) {
4376 error_report("-initrd only allowed with -kernel option");
4377 exit(1);
4378 }
4379
4380 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4381 error_report("-dtb only allowed with -kernel option");
4382 exit(1);
4383 }
4384
4385 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4386 /* fall back to the -kernel/-append */
4387 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4388 }
4389
4390 os_set_line_buffering();
4391
4392 #ifdef CONFIG_SPICE
4393 /* spice needs the timers to be initialized by this point */
4394 qemu_spice_init();
4395 #endif
4396
4397 cpu_ticks_init();
4398 if (icount_opts) {
4399 if (kvm_enabled() || xen_enabled()) {
4400 error_report("-icount is not allowed with kvm or xen");
4401 exit(1);
4402 }
4403 configure_icount(icount_opts, &error_abort);
4404 qemu_opts_del(icount_opts);
4405 }
4406
4407 /* clean up network at qemu process termination */
4408 atexit(&net_cleanup);
4409
4410 if (net_init_clients() < 0) {
4411 exit(1);
4412 }
4413
4414 if (qemu_opts_foreach(qemu_find_opts("object"),
4415 user_creatable_add_opts_foreach,
4416 object_create_delayed, NULL)) {
4417 exit(1);
4418 }
4419
4420 #ifdef CONFIG_TPM
4421 if (tpm_init() < 0) {
4422 exit(1);
4423 }
4424 #endif
4425
4426 /* init the bluetooth world */
4427 if (foreach_device_config(DEV_BT, bt_parse))
4428 exit(1);
4429
4430 if (!xen_enabled()) {
4431 /* On 32-bit hosts, QEMU is limited by virtual address space */
4432 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4433 error_report("at most 2047 MB RAM can be simulated");
4434 exit(1);
4435 }
4436 }
4437
4438 blk_mig_init();
4439 ram_mig_init();
4440
4441 /* If the currently selected machine wishes to override the units-per-bus
4442 * property of its default HBA interface type, do so now. */
4443 if (machine_class->units_per_default_bus) {
4444 override_max_devs(machine_class->block_default_type,
4445 machine_class->units_per_default_bus);
4446 }
4447
4448 /* open the virtual block devices */
4449 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4450 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4451 NULL, NULL);
4452 }
4453 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4454 &machine_class->block_default_type, NULL)) {
4455 exit(1);
4456 }
4457
4458 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4459 CDROM_OPTS);
4460 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4461 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4462
4463 parse_numa_opts(machine_class);
4464
4465 if (qemu_opts_foreach(qemu_find_opts("mon"),
4466 mon_init_func, NULL, NULL)) {
4467 exit(1);
4468 }
4469
4470 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4471 exit(1);
4472 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4473 exit(1);
4474 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4475 exit(1);
4476 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4477 exit(1);
4478 }
4479 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4480 exit(1);
4481
4482 /* If no default VGA is requested, the default is "none". */
4483 if (default_vga) {
4484 if (machine_class->default_display) {
4485 vga_model = machine_class->default_display;
4486 } else if (cirrus_vga_available()) {
4487 vga_model = "cirrus";
4488 } else if (vga_available()) {
4489 vga_model = "std";
4490 }
4491 }
4492 if (vga_model) {
4493 select_vgahw(vga_model);
4494 }
4495
4496 if (watchdog) {
4497 i = select_watchdog(watchdog);
4498 if (i > 0)
4499 exit (i == 1 ? 1 : 0);
4500 }
4501
4502 if (machine_class->compat_props) {
4503 qdev_prop_register_global_list(machine_class->compat_props);
4504 }
4505 qemu_add_globals();
4506
4507 /* This checkpoint is required by replay to separate prior clock
4508 reading from the other reads, because timer polling functions query
4509 clock values from the log. */
4510 replay_checkpoint(CHECKPOINT_INIT);
4511 qdev_machine_init();
4512
4513 current_machine->ram_size = ram_size;
4514 current_machine->maxram_size = maxram_size;
4515 current_machine->ram_slots = ram_slots;
4516 current_machine->boot_order = boot_order;
4517 current_machine->cpu_model = cpu_model;
4518
4519 machine_class->init(current_machine);
4520
4521 realtime_init();
4522
4523 audio_init();
4524
4525 cpu_synchronize_all_post_init();
4526
4527 numa_post_machine_init();
4528
4529 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4530 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4531 exit(1);
4532 }
4533
4534 /* init USB devices */
4535 if (usb_enabled()) {
4536 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4537 exit(1);
4538 }
4539
4540 /* Check if IGD GFX passthrough. */
4541 igd_gfx_passthru();
4542
4543 /* init generic devices */
4544 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4545 if (qemu_opts_foreach(qemu_find_opts("device"),
4546 device_init_func, NULL, NULL)) {
4547 exit(1);
4548 }
4549 rom_reset_order_override();
4550
4551 /* Did we create any drives that we failed to create a device for? */
4552 drive_check_orphaned();
4553
4554 net_check_clients();
4555
4556 if (boot_once) {
4557 qemu_boot_set(boot_once, &error_fatal);
4558 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4559 }
4560
4561 ds = init_displaystate();
4562
4563 /* init local displays */
4564 switch (display_type) {
4565 case DT_NOGRAPHIC:
4566 (void)ds; /* avoid warning if no display is configured */
4567 break;
4568 #if defined(CONFIG_CURSES)
4569 case DT_CURSES:
4570 curses_display_init(ds, full_screen);
4571 break;
4572 #endif
4573 #if defined(CONFIG_SDL)
4574 case DT_SDL:
4575 sdl_display_init(ds, full_screen, no_frame);
4576 break;
4577 #elif defined(CONFIG_COCOA)
4578 case DT_SDL:
4579 cocoa_display_init(ds, full_screen);
4580 break;
4581 #endif
4582 #if defined(CONFIG_GTK)
4583 case DT_GTK:
4584 gtk_display_init(ds, full_screen, grab_on_hover);
4585 break;
4586 #endif
4587 default:
4588 break;
4589 }
4590
4591 /* must be after terminal init, SDL library changes signal handlers */
4592 os_setup_signal_handling();
4593
4594 #ifdef CONFIG_VNC
4595 /* init remote displays */
4596 qemu_opts_foreach(qemu_find_opts("vnc"),
4597 vnc_init_func, NULL, NULL);
4598 if (show_vnc_port) {
4599 char *ret = vnc_display_local_addr("default");
4600 printf("VNC server running on '%s'\n", ret);
4601 g_free(ret);
4602 }
4603 #endif
4604 #ifdef CONFIG_SPICE
4605 if (using_spice) {
4606 qemu_spice_display_init();
4607 }
4608 #endif
4609
4610 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4611 exit(1);
4612 }
4613
4614 qdev_machine_creation_done();
4615
4616 /* TODO: once all bus devices are qdevified, this should be done
4617 * when bus is created by qdev.c */
4618 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4619 qemu_run_machine_init_done_notifiers();
4620
4621 if (rom_check_and_register_reset() != 0) {
4622 error_report("rom check and register reset failed");
4623 exit(1);
4624 }
4625
4626 replay_start();
4627
4628 /* This checkpoint is required by replay to separate prior clock
4629 reading from the other reads, because timer polling functions query
4630 clock values from the log. */
4631 replay_checkpoint(CHECKPOINT_RESET);
4632 qemu_system_reset(VMRESET_SILENT);
4633 register_global_state();
4634 if (loadvm) {
4635 if (load_vmstate(loadvm) < 0) {
4636 autostart = 0;
4637 }
4638 }
4639
4640 qdev_prop_check_globals();
4641 if (vmstate_dump_file) {
4642 /* dump and exit */
4643 dump_vmstate_json_to_file(vmstate_dump_file);
4644 return 0;
4645 }
4646
4647 if (incoming) {
4648 Error *local_err = NULL;
4649 qemu_start_incoming_migration(incoming, &local_err);
4650 if (local_err) {
4651 error_reportf_err(local_err, "-incoming %s: ", incoming);
4652 exit(1);
4653 }
4654 } else if (autostart) {
4655 vm_start();
4656 }
4657
4658 os_setup_post();
4659
4660 main_loop();
4661 replay_disable_events();
4662
4663 bdrv_close_all();
4664 pause_all_vcpus();
4665 res_free();
4666 #ifdef CONFIG_TPM
4667 tpm_cleanup();
4668 #endif
4669
4670 return 0;
4671 }
QEmu