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ram_find_and_save_block: Split out the finding
[qemu/cris-port.git] / vl.c
blobe211f6aa3658365d27af41c58f738d11484d9043
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 <unistd.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <time.h>
28 #include <errno.h>
29 #include <sys/time.h>
30
31 #include "config-host.h"
32
33 #ifdef CONFIG_SECCOMP
34 #include "sysemu/seccomp.h"
35 #endif
36
37 #if defined(CONFIG_VDE)
38 #include <libvdeplug.h>
39 #endif
40
41 #ifdef CONFIG_SDL
42 #if defined(__APPLE__) || defined(main)
43 #include <SDL.h>
44 int qemu_main(int argc, char **argv, char **envp);
45 int main(int argc, char **argv)
46 {
47 return qemu_main(argc, argv, NULL);
48 }
49 #undef main
50 #define main qemu_main
51 #endif
52 #endif /* CONFIG_SDL */
53
54 #ifdef CONFIG_COCOA
55 #undef main
56 #define main qemu_main
57 #endif /* CONFIG_COCOA */
58
59 #include <glib.h>
60
61 #include "qemu/error-report.h"
62 #include "qemu/sockets.h"
63 #include "hw/hw.h"
64 #include "hw/boards.h"
65 #include "sysemu/accel.h"
66 #include "hw/usb.h"
67 #include "hw/i386/pc.h"
68 #include "hw/isa/isa.h"
69 #include "hw/bt.h"
70 #include "sysemu/watchdog.h"
71 #include "hw/smbios/smbios.h"
72 #include "hw/xen/xen.h"
73 #include "hw/qdev.h"
74 #include "hw/loader.h"
75 #include "monitor/qdev.h"
76 #include "sysemu/bt.h"
77 #include "net/net.h"
78 #include "net/slirp.h"
79 #include "monitor/monitor.h"
80 #include "ui/console.h"
81 #include "sysemu/sysemu.h"
82 #include "sysemu/numa.h"
83 #include "exec/gdbstub.h"
84 #include "qemu/timer.h"
85 #include "sysemu/char.h"
86 #include "qemu/bitmap.h"
87 #include "sysemu/blockdev.h"
88 #include "hw/block/block.h"
89 #include "migration/block.h"
90 #include "sysemu/tpm.h"
91 #include "sysemu/dma.h"
92 #include "audio/audio.h"
93 #include "migration/migration.h"
94 #include "sysemu/kvm.h"
95 #include "qapi/qmp/qjson.h"
96 #include "qemu/option.h"
97 #include "qemu/config-file.h"
98 #include "qemu-options.h"
99 #include "qmp-commands.h"
100 #include "qemu/main-loop.h"
101 #ifdef CONFIG_VIRTFS
102 #include "fsdev/qemu-fsdev.h"
103 #endif
104 #include "sysemu/qtest.h"
105
106 #include "disas/disas.h"
107
108
109 #include "slirp/libslirp.h"
110
111 #include "trace.h"
112 #include "trace/control.h"
113 #include "qemu/queue.h"
114 #include "sysemu/cpus.h"
115 #include "sysemu/arch_init.h"
116 #include "qemu/osdep.h"
117
118 #include "ui/qemu-spice.h"
119 #include "qapi/string-input-visitor.h"
120 #include "qapi/opts-visitor.h"
121 #include "qom/object_interfaces.h"
122 #include "qapi-event.h"
123 #include "exec/semihost.h"
124 #include "crypto/init.h"
125
126 #define MAX_VIRTIO_CONSOLES 1
127 #define MAX_SCLP_CONSOLES 1
128
129 static const char *data_dir[16];
130 static int data_dir_idx;
131 const char *bios_name = NULL;
132 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
133 DisplayType display_type = DT_DEFAULT;
134 int request_opengl = -1;
135 int display_opengl;
136 static int display_remote;
137 const char* keyboard_layout = NULL;
138 ram_addr_t ram_size;
139 const char *mem_path = NULL;
140 int mem_prealloc = 0; /* force preallocation of physical target memory */
141 bool enable_mlock = false;
142 int nb_nics;
143 NICInfo nd_table[MAX_NICS];
144 int autostart;
145 static int rtc_utc = 1;
146 static int rtc_date_offset = -1; /* -1 means no change */
147 QEMUClockType rtc_clock;
148 int vga_interface_type = VGA_NONE;
149 static int full_screen = 0;
150 static int no_frame = 0;
151 int no_quit = 0;
152 #ifdef CONFIG_GTK
153 static bool grab_on_hover;
154 #endif
155 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
156 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
157 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
158 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
159 int win2k_install_hack = 0;
160 int singlestep = 0;
161 int smp_cpus = 1;
162 int max_cpus = 0;
163 int smp_cores = 1;
164 int smp_threads = 1;
165 int acpi_enabled = 1;
166 int no_hpet = 0;
167 int fd_bootchk = 1;
168 static int no_reboot;
169 int no_shutdown = 0;
170 int cursor_hide = 1;
171 int graphic_rotate = 0;
172 const char *watchdog;
173 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
174 int nb_option_roms;
175 int old_param = 0;
176 const char *qemu_name;
177 int alt_grab = 0;
178 int ctrl_grab = 0;
179 unsigned int nb_prom_envs = 0;
180 const char *prom_envs[MAX_PROM_ENVS];
181 int boot_menu;
182 bool boot_strict;
183 uint8_t *boot_splash_filedata;
184 size_t boot_splash_filedata_size;
185 uint8_t qemu_extra_params_fw[2];
186
187 int icount_align_option;
188
189 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
190 * little-endian "wire format" described in the SMBIOS 2.6 specification.
191 */
192 uint8_t qemu_uuid[16];
193 bool qemu_uuid_set;
194
195 static NotifierList exit_notifiers =
196 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
197
198 static NotifierList machine_init_done_notifiers =
199 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
200
201 bool xen_allowed;
202 uint32_t xen_domid;
203 enum xen_mode xen_mode = XEN_EMULATE;
204
205 static int has_defaults = 1;
206 static int default_serial = 1;
207 static int default_parallel = 1;
208 static int default_virtcon = 1;
209 static int default_sclp = 1;
210 static int default_monitor = 1;
211 static int default_floppy = 1;
212 static int default_cdrom = 1;
213 static int default_sdcard = 1;
214 static int default_vga = 1;
215
216 static struct {
217 const char *driver;
218 int *flag;
219 } default_list[] = {
220 { .driver = "isa-serial", .flag = &default_serial },
221 { .driver = "isa-parallel", .flag = &default_parallel },
222 { .driver = "isa-fdc", .flag = &default_floppy },
223 { .driver = "ide-cd", .flag = &default_cdrom },
224 { .driver = "ide-hd", .flag = &default_cdrom },
225 { .driver = "ide-drive", .flag = &default_cdrom },
226 { .driver = "scsi-cd", .flag = &default_cdrom },
227 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
228 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
229 { .driver = "virtio-serial", .flag = &default_virtcon },
230 { .driver = "VGA", .flag = &default_vga },
231 { .driver = "isa-vga", .flag = &default_vga },
232 { .driver = "cirrus-vga", .flag = &default_vga },
233 { .driver = "isa-cirrus-vga", .flag = &default_vga },
234 { .driver = "vmware-svga", .flag = &default_vga },
235 { .driver = "qxl-vga", .flag = &default_vga },
236 { .driver = "virtio-vga", .flag = &default_vga },
237 };
238
239 static QemuOptsList qemu_rtc_opts = {
240 .name = "rtc",
241 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
242 .desc = {
243 {
244 .name = "base",
245 .type = QEMU_OPT_STRING,
246 },{
247 .name = "clock",
248 .type = QEMU_OPT_STRING,
249 },{
250 .name = "driftfix",
251 .type = QEMU_OPT_STRING,
252 },
253 { /* end of list */ }
254 },
255 };
256
257 static QemuOptsList qemu_sandbox_opts = {
258 .name = "sandbox",
259 .implied_opt_name = "enable",
260 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
261 .desc = {
262 {
263 .name = "enable",
264 .type = QEMU_OPT_BOOL,
265 },
266 { /* end of list */ }
267 },
268 };
269
270 static QemuOptsList qemu_trace_opts = {
271 .name = "trace",
272 .implied_opt_name = "trace",
273 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
274 .desc = {
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 { /* end of list */ }
479 },
480 };
481
482 static QemuOptsList qemu_semihosting_config_opts = {
483 .name = "semihosting-config",
484 .implied_opt_name = "enable",
485 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
486 .desc = {
487 {
488 .name = "enable",
489 .type = QEMU_OPT_BOOL,
490 }, {
491 .name = "target",
492 .type = QEMU_OPT_STRING,
493 }, {
494 .name = "arg",
495 .type = QEMU_OPT_STRING,
496 },
497 { /* end of list */ }
498 },
499 };
500
501 static QemuOptsList qemu_fw_cfg_opts = {
502 .name = "fw_cfg",
503 .implied_opt_name = "name",
504 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
505 .desc = {
506 {
507 .name = "name",
508 .type = QEMU_OPT_STRING,
509 .help = "Sets the fw_cfg name of the blob to be inserted",
510 }, {
511 .name = "file",
512 .type = QEMU_OPT_STRING,
513 .help = "Sets the name of the file from which\n"
514 "the fw_cfg blob will be loaded",
515 },
516 { /* end of list */ }
517 },
518 };
519
520 /**
521 * Get machine options
522 *
523 * Returns: machine options (never null).
524 */
525 QemuOpts *qemu_get_machine_opts(void)
526 {
527 return qemu_find_opts_singleton("machine");
528 }
529
530 const char *qemu_get_vm_name(void)
531 {
532 return qemu_name;
533 }
534
535 static void res_free(void)
536 {
537 g_free(boot_splash_filedata);
538 boot_splash_filedata = NULL;
539 }
540
541 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
542 {
543 const char *driver = qemu_opt_get(opts, "driver");
544 int i;
545
546 if (!driver)
547 return 0;
548 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
549 if (strcmp(default_list[i].driver, driver) != 0)
550 continue;
551 *(default_list[i].flag) = 0;
552 }
553 return 0;
554 }
555
556 /***********************************************************/
557 /* QEMU state */
558
559 static RunState current_run_state = RUN_STATE_PRELAUNCH;
560
561 /* We use RUN_STATE_MAX but any invalid value will do */
562 static RunState vmstop_requested = RUN_STATE_MAX;
563 static QemuMutex vmstop_lock;
564
565 typedef struct {
566 RunState from;
567 RunState to;
568 } RunStateTransition;
569
570 static const RunStateTransition runstate_transitions_def[] = {
571 /* from -> to */
572 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
573 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
574
575 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
576 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
577 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
578 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
579 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
580 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
581 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
582 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
583
584 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
585 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
586
587 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
588 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
589
590 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
591 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
592
593 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
594 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
595
596 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
597 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
598 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
599
600 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
601 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
602
603 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
604
605 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
606 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
607 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
608 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
609 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
610 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
611 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
612 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
613 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
614 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
615
616 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
617
618 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
619 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
620
621 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
622 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
623 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
624 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
625
626 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
627 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
628
629 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
630 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
631
632 { RUN_STATE_MAX, RUN_STATE_MAX },
633 };
634
635 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
636
637 bool runstate_check(RunState state)
638 {
639 return current_run_state == state;
640 }
641
642 bool runstate_store(char *str, size_t size)
643 {
644 const char *state = RunState_lookup[current_run_state];
645 size_t len = strlen(state) + 1;
646
647 if (len > size) {
648 return false;
649 }
650 memcpy(str, state, len);
651 return true;
652 }
653
654 static void runstate_init(void)
655 {
656 const RunStateTransition *p;
657
658 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
659 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
660 runstate_valid_transitions[p->from][p->to] = true;
661 }
662
663 qemu_mutex_init(&vmstop_lock);
664 }
665
666 /* This function will abort() on invalid state transitions */
667 void runstate_set(RunState new_state)
668 {
669 assert(new_state < RUN_STATE_MAX);
670
671 if (!runstate_valid_transitions[current_run_state][new_state]) {
672 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
673 RunState_lookup[current_run_state],
674 RunState_lookup[new_state]);
675 abort();
676 }
677 trace_runstate_set(new_state);
678 current_run_state = new_state;
679 }
680
681 int runstate_is_running(void)
682 {
683 return runstate_check(RUN_STATE_RUNNING);
684 }
685
686 bool runstate_needs_reset(void)
687 {
688 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
689 runstate_check(RUN_STATE_SHUTDOWN);
690 }
691
692 StatusInfo *qmp_query_status(Error **errp)
693 {
694 StatusInfo *info = g_malloc0(sizeof(*info));
695
696 info->running = runstate_is_running();
697 info->singlestep = singlestep;
698 info->status = current_run_state;
699
700 return info;
701 }
702
703 static bool qemu_vmstop_requested(RunState *r)
704 {
705 qemu_mutex_lock(&vmstop_lock);
706 *r = vmstop_requested;
707 vmstop_requested = RUN_STATE_MAX;
708 qemu_mutex_unlock(&vmstop_lock);
709 return *r < RUN_STATE_MAX;
710 }
711
712 void qemu_system_vmstop_request_prepare(void)
713 {
714 qemu_mutex_lock(&vmstop_lock);
715 }
716
717 void qemu_system_vmstop_request(RunState state)
718 {
719 vmstop_requested = state;
720 qemu_mutex_unlock(&vmstop_lock);
721 qemu_notify_event();
722 }
723
724 void vm_start(void)
725 {
726 RunState requested;
727
728 qemu_vmstop_requested(&requested);
729 if (runstate_is_running() && requested == RUN_STATE_MAX) {
730 return;
731 }
732
733 /* Ensure that a STOP/RESUME pair of events is emitted if a
734 * vmstop request was pending. The BLOCK_IO_ERROR event, for
735 * example, according to documentation is always followed by
736 * the STOP event.
737 */
738 if (runstate_is_running()) {
739 qapi_event_send_stop(&error_abort);
740 } else {
741 cpu_enable_ticks();
742 runstate_set(RUN_STATE_RUNNING);
743 vm_state_notify(1, RUN_STATE_RUNNING);
744 resume_all_vcpus();
745 }
746
747 qapi_event_send_resume(&error_abort);
748 }
749
750
751 /***********************************************************/
752 /* real time host monotonic timer */
753
754 static time_t qemu_time(void)
755 {
756 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
757 }
758
759 /***********************************************************/
760 /* host time/date access */
761 void qemu_get_timedate(struct tm *tm, int offset)
762 {
763 time_t ti = qemu_time();
764
765 ti += offset;
766 if (rtc_date_offset == -1) {
767 if (rtc_utc)
768 gmtime_r(&ti, tm);
769 else
770 localtime_r(&ti, tm);
771 } else {
772 ti -= rtc_date_offset;
773 gmtime_r(&ti, tm);
774 }
775 }
776
777 int qemu_timedate_diff(struct tm *tm)
778 {
779 time_t seconds;
780
781 if (rtc_date_offset == -1)
782 if (rtc_utc)
783 seconds = mktimegm(tm);
784 else {
785 struct tm tmp = *tm;
786 tmp.tm_isdst = -1; /* use timezone to figure it out */
787 seconds = mktime(&tmp);
788 }
789 else
790 seconds = mktimegm(tm) + rtc_date_offset;
791
792 return seconds - qemu_time();
793 }
794
795 static void configure_rtc_date_offset(const char *startdate, int legacy)
796 {
797 time_t rtc_start_date;
798 struct tm tm;
799
800 if (!strcmp(startdate, "now") && legacy) {
801 rtc_date_offset = -1;
802 } else {
803 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
804 &tm.tm_year,
805 &tm.tm_mon,
806 &tm.tm_mday,
807 &tm.tm_hour,
808 &tm.tm_min,
809 &tm.tm_sec) == 6) {
810 /* OK */
811 } else if (sscanf(startdate, "%d-%d-%d",
812 &tm.tm_year,
813 &tm.tm_mon,
814 &tm.tm_mday) == 3) {
815 tm.tm_hour = 0;
816 tm.tm_min = 0;
817 tm.tm_sec = 0;
818 } else {
819 goto date_fail;
820 }
821 tm.tm_year -= 1900;
822 tm.tm_mon--;
823 rtc_start_date = mktimegm(&tm);
824 if (rtc_start_date == -1) {
825 date_fail:
826 fprintf(stderr, "Invalid date format. Valid formats are:\n"
827 "'2006-06-17T16:01:21' or '2006-06-17'\n");
828 exit(1);
829 }
830 rtc_date_offset = qemu_time() - rtc_start_date;
831 }
832 }
833
834 static void configure_rtc(QemuOpts *opts)
835 {
836 const char *value;
837
838 value = qemu_opt_get(opts, "base");
839 if (value) {
840 if (!strcmp(value, "utc")) {
841 rtc_utc = 1;
842 } else if (!strcmp(value, "localtime")) {
843 rtc_utc = 0;
844 } else {
845 configure_rtc_date_offset(value, 0);
846 }
847 }
848 value = qemu_opt_get(opts, "clock");
849 if (value) {
850 if (!strcmp(value, "host")) {
851 rtc_clock = QEMU_CLOCK_HOST;
852 } else if (!strcmp(value, "rt")) {
853 rtc_clock = QEMU_CLOCK_REALTIME;
854 } else if (!strcmp(value, "vm")) {
855 rtc_clock = QEMU_CLOCK_VIRTUAL;
856 } else {
857 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
858 exit(1);
859 }
860 }
861 value = qemu_opt_get(opts, "driftfix");
862 if (value) {
863 if (!strcmp(value, "slew")) {
864 static GlobalProperty slew_lost_ticks[] = {
865 {
866 .driver = "mc146818rtc",
867 .property = "lost_tick_policy",
868 .value = "slew",
869 },
870 { /* end of list */ }
871 };
872
873 qdev_prop_register_global_list(slew_lost_ticks);
874 } else if (!strcmp(value, "none")) {
875 /* discard is default */
876 } else {
877 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
878 exit(1);
879 }
880 }
881 }
882
883 /***********************************************************/
884 /* Bluetooth support */
885 static int nb_hcis;
886 static int cur_hci;
887 static struct HCIInfo *hci_table[MAX_NICS];
888
889 struct HCIInfo *qemu_next_hci(void)
890 {
891 if (cur_hci == nb_hcis)
892 return &null_hci;
893
894 return hci_table[cur_hci++];
895 }
896
897 static int bt_hci_parse(const char *str)
898 {
899 struct HCIInfo *hci;
900 bdaddr_t bdaddr;
901
902 if (nb_hcis >= MAX_NICS) {
903 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
904 return -1;
905 }
906
907 hci = hci_init(str);
908 if (!hci)
909 return -1;
910
911 bdaddr.b[0] = 0x52;
912 bdaddr.b[1] = 0x54;
913 bdaddr.b[2] = 0x00;
914 bdaddr.b[3] = 0x12;
915 bdaddr.b[4] = 0x34;
916 bdaddr.b[5] = 0x56 + nb_hcis;
917 hci->bdaddr_set(hci, bdaddr.b);
918
919 hci_table[nb_hcis++] = hci;
920
921 return 0;
922 }
923
924 static void bt_vhci_add(int vlan_id)
925 {
926 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
927
928 if (!vlan->slave)
929 fprintf(stderr, "qemu: warning: adding a VHCI to "
930 "an empty scatternet %i\n", vlan_id);
931
932 bt_vhci_init(bt_new_hci(vlan));
933 }
934
935 static struct bt_device_s *bt_device_add(const char *opt)
936 {
937 struct bt_scatternet_s *vlan;
938 int vlan_id = 0;
939 char *endp = strstr(opt, ",vlan=");
940 int len = (endp ? endp - opt : strlen(opt)) + 1;
941 char devname[10];
942
943 pstrcpy(devname, MIN(sizeof(devname), len), opt);
944
945 if (endp) {
946 vlan_id = strtol(endp + 6, &endp, 0);
947 if (*endp) {
948 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
949 return 0;
950 }
951 }
952
953 vlan = qemu_find_bt_vlan(vlan_id);
954
955 if (!vlan->slave)
956 fprintf(stderr, "qemu: warning: adding a slave device to "
957 "an empty scatternet %i\n", vlan_id);
958
959 if (!strcmp(devname, "keyboard"))
960 return bt_keyboard_init(vlan);
961
962 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
963 return 0;
964 }
965
966 static int bt_parse(const char *opt)
967 {
968 const char *endp, *p;
969 int vlan;
970
971 if (strstart(opt, "hci", &endp)) {
972 if (!*endp || *endp == ',') {
973 if (*endp)
974 if (!strstart(endp, ",vlan=", 0))
975 opt = endp + 1;
976
977 return bt_hci_parse(opt);
978 }
979 } else if (strstart(opt, "vhci", &endp)) {
980 if (!*endp || *endp == ',') {
981 if (*endp) {
982 if (strstart(endp, ",vlan=", &p)) {
983 vlan = strtol(p, (char **) &endp, 0);
984 if (*endp) {
985 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
986 return 1;
987 }
988 } else {
989 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
990 return 1;
991 }
992 } else
993 vlan = 0;
994
995 bt_vhci_add(vlan);
996 return 0;
997 }
998 } else if (strstart(opt, "device:", &endp))
999 return !bt_device_add(endp);
1000
1001 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
1002 return 1;
1003 }
1004
1005 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1006 {
1007 /* FIXME: change this to true for 1.3 */
1008 if (qemu_opt_get_bool(opts, "enable", false)) {
1009 #ifdef CONFIG_SECCOMP
1010 if (seccomp_start() < 0) {
1011 error_report("failed to install seccomp syscall filter "
1012 "in the kernel");
1013 return -1;
1014 }
1015 #else
1016 error_report("sandboxing request but seccomp is not compiled "
1017 "into this build");
1018 return -1;
1019 #endif
1020 }
1021
1022 return 0;
1023 }
1024
1025 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1026 {
1027 const char *proc_name;
1028
1029 if (qemu_opt_get(opts, "debug-threads")) {
1030 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1031 }
1032 qemu_name = qemu_opt_get(opts, "guest");
1033
1034 proc_name = qemu_opt_get(opts, "process");
1035 if (proc_name) {
1036 os_set_proc_name(proc_name);
1037 }
1038
1039 return 0;
1040 }
1041
1042 bool defaults_enabled(void)
1043 {
1044 return has_defaults;
1045 }
1046
1047 bool usb_enabled(void)
1048 {
1049 return machine_usb(current_machine);
1050 }
1051
1052 #ifndef _WIN32
1053 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1054 {
1055 int fd, dupfd, flags;
1056 int64_t fdset_id;
1057 const char *fd_opaque = NULL;
1058 AddfdInfo *fdinfo;
1059
1060 fd = qemu_opt_get_number(opts, "fd", -1);
1061 fdset_id = qemu_opt_get_number(opts, "set", -1);
1062 fd_opaque = qemu_opt_get(opts, "opaque");
1063
1064 if (fd < 0) {
1065 error_report("fd option is required and must be non-negative");
1066 return -1;
1067 }
1068
1069 if (fd <= STDERR_FILENO) {
1070 error_report("fd cannot be a standard I/O stream");
1071 return -1;
1072 }
1073
1074 /*
1075 * All fds inherited across exec() necessarily have FD_CLOEXEC
1076 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1077 */
1078 flags = fcntl(fd, F_GETFD);
1079 if (flags == -1 || (flags & FD_CLOEXEC)) {
1080 error_report("fd is not valid or already in use");
1081 return -1;
1082 }
1083
1084 if (fdset_id < 0) {
1085 error_report("set option is required and must be non-negative");
1086 return -1;
1087 }
1088
1089 #ifdef F_DUPFD_CLOEXEC
1090 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1091 #else
1092 dupfd = dup(fd);
1093 if (dupfd != -1) {
1094 qemu_set_cloexec(dupfd);
1095 }
1096 #endif
1097 if (dupfd == -1) {
1098 error_report("Error duplicating fd: %s", strerror(errno));
1099 return -1;
1100 }
1101
1102 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1103 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1104 &error_abort);
1105 g_free(fdinfo);
1106
1107 return 0;
1108 }
1109
1110 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1111 {
1112 int fd;
1113
1114 fd = qemu_opt_get_number(opts, "fd", -1);
1115 close(fd);
1116
1117 return 0;
1118 }
1119 #endif
1120
1121 /***********************************************************/
1122 /* QEMU Block devices */
1123
1124 #define HD_OPTS "media=disk"
1125 #define CDROM_OPTS "media=cdrom"
1126 #define FD_OPTS ""
1127 #define PFLASH_OPTS ""
1128 #define MTD_OPTS ""
1129 #define SD_OPTS ""
1130
1131 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1132 {
1133 BlockInterfaceType *block_default_type = opaque;
1134
1135 return drive_new(opts, *block_default_type) == NULL;
1136 }
1137
1138 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1139 {
1140 if (qemu_opt_get(opts, "snapshot") == NULL) {
1141 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1142 }
1143 return 0;
1144 }
1145
1146 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1147 int index, const char *optstr)
1148 {
1149 QemuOpts *opts;
1150 DriveInfo *dinfo;
1151
1152 if (!enable || drive_get_by_index(type, index)) {
1153 return;
1154 }
1155
1156 opts = drive_add(type, index, NULL, optstr);
1157 if (snapshot) {
1158 drive_enable_snapshot(NULL, opts, NULL);
1159 }
1160
1161 dinfo = drive_new(opts, type);
1162 if (!dinfo) {
1163 exit(1);
1164 }
1165 dinfo->is_default = true;
1166
1167 }
1168
1169 static QemuOptsList qemu_smp_opts = {
1170 .name = "smp-opts",
1171 .implied_opt_name = "cpus",
1172 .merge_lists = true,
1173 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1174 .desc = {
1175 {
1176 .name = "cpus",
1177 .type = QEMU_OPT_NUMBER,
1178 }, {
1179 .name = "sockets",
1180 .type = QEMU_OPT_NUMBER,
1181 }, {
1182 .name = "cores",
1183 .type = QEMU_OPT_NUMBER,
1184 }, {
1185 .name = "threads",
1186 .type = QEMU_OPT_NUMBER,
1187 }, {
1188 .name = "maxcpus",
1189 .type = QEMU_OPT_NUMBER,
1190 },
1191 { /*End of list */ }
1192 },
1193 };
1194
1195 static void smp_parse(QemuOpts *opts)
1196 {
1197 if (opts) {
1198
1199 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1200 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1201 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1202 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1203
1204 /* compute missing values, prefer sockets over cores over threads */
1205 if (cpus == 0 || sockets == 0) {
1206 sockets = sockets > 0 ? sockets : 1;
1207 cores = cores > 0 ? cores : 1;
1208 threads = threads > 0 ? threads : 1;
1209 if (cpus == 0) {
1210 cpus = cores * threads * sockets;
1211 }
1212 } else if (cores == 0) {
1213 threads = threads > 0 ? threads : 1;
1214 cores = cpus / (sockets * threads);
1215 } else if (threads == 0) {
1216 threads = cpus / (cores * sockets);
1217 } else if (sockets * cores * threads < cpus) {
1218 fprintf(stderr, "cpu topology: error: "
1219 "sockets (%u) * cores (%u) * threads (%u) < "
1220 "smp_cpus (%u)\n",
1221 sockets, cores, threads, cpus);
1222 exit(1);
1223 }
1224
1225 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1226
1227 smp_cpus = cpus;
1228 smp_cores = cores > 0 ? cores : 1;
1229 smp_threads = threads > 0 ? threads : 1;
1230
1231 }
1232
1233 if (max_cpus == 0) {
1234 max_cpus = smp_cpus;
1235 }
1236
1237 if (max_cpus > MAX_CPUMASK_BITS) {
1238 fprintf(stderr, "Unsupported number of maxcpus\n");
1239 exit(1);
1240 }
1241 if (max_cpus < smp_cpus) {
1242 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1243 exit(1);
1244 }
1245
1246 }
1247
1248 static void realtime_init(void)
1249 {
1250 if (enable_mlock) {
1251 if (os_mlock() < 0) {
1252 fprintf(stderr, "qemu: locking memory failed\n");
1253 exit(1);
1254 }
1255 }
1256 }
1257
1258
1259 static void configure_msg(QemuOpts *opts)
1260 {
1261 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1262 }
1263
1264 /***********************************************************/
1265 /* Semihosting */
1266
1267 typedef struct SemihostingConfig {
1268 bool enabled;
1269 SemihostingTarget target;
1270 const char **argv;
1271 int argc;
1272 const char *cmdline; /* concatenated argv */
1273 } SemihostingConfig;
1274
1275 static SemihostingConfig semihosting;
1276
1277 bool semihosting_enabled(void)
1278 {
1279 return semihosting.enabled;
1280 }
1281
1282 SemihostingTarget semihosting_get_target(void)
1283 {
1284 return semihosting.target;
1285 }
1286
1287 const char *semihosting_get_arg(int i)
1288 {
1289 if (i >= semihosting.argc) {
1290 return NULL;
1291 }
1292 return semihosting.argv[i];
1293 }
1294
1295 int semihosting_get_argc(void)
1296 {
1297 return semihosting.argc;
1298 }
1299
1300 const char *semihosting_get_cmdline(void)
1301 {
1302 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1303 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1304 }
1305 return semihosting.cmdline;
1306 }
1307
1308 static int add_semihosting_arg(void *opaque,
1309 const char *name, const char *val,
1310 Error **errp)
1311 {
1312 SemihostingConfig *s = opaque;
1313 if (strcmp(name, "arg") == 0) {
1314 s->argc++;
1315 /* one extra element as g_strjoinv() expects NULL-terminated array */
1316 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1317 s->argv[s->argc - 1] = val;
1318 s->argv[s->argc] = NULL;
1319 }
1320 return 0;
1321 }
1322
1323 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1324 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1325 {
1326 char *cmd_token;
1327
1328 /* argv[0] */
1329 add_semihosting_arg(&semihosting, "arg", file, NULL);
1330
1331 /* split -append and initialize argv[1..n] */
1332 cmd_token = strtok(g_strdup(cmd), " ");
1333 while (cmd_token) {
1334 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1335 cmd_token = strtok(NULL, " ");
1336 }
1337 }
1338
1339 /* Now we still need this for compatibility with XEN. */
1340 bool has_igd_gfx_passthru;
1341 static void igd_gfx_passthru(void)
1342 {
1343 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1344 }
1345
1346 /***********************************************************/
1347 /* USB devices */
1348
1349 static int usb_device_add(const char *devname)
1350 {
1351 USBDevice *dev = NULL;
1352 #ifndef CONFIG_LINUX
1353 const char *p;
1354 #endif
1355
1356 if (!usb_enabled()) {
1357 return -1;
1358 }
1359
1360 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1361 dev = usbdevice_create(devname);
1362 if (dev)
1363 goto done;
1364
1365 /* the other ones */
1366 #ifndef CONFIG_LINUX
1367 /* only the linux version is qdev-ified, usb-bsd still needs this */
1368 if (strstart(devname, "host:", &p)) {
1369 dev = usb_host_device_open(usb_bus_find(-1), p);
1370 }
1371 #endif
1372 if (!dev)
1373 return -1;
1374
1375 done:
1376 return 0;
1377 }
1378
1379 static int usb_device_del(const char *devname)
1380 {
1381 int bus_num, addr;
1382 const char *p;
1383
1384 if (strstart(devname, "host:", &p)) {
1385 return -1;
1386 }
1387
1388 if (!usb_enabled()) {
1389 return -1;
1390 }
1391
1392 p = strchr(devname, '.');
1393 if (!p)
1394 return -1;
1395 bus_num = strtoul(devname, NULL, 0);
1396 addr = strtoul(p + 1, NULL, 0);
1397
1398 return usb_device_delete_addr(bus_num, addr);
1399 }
1400
1401 static int usb_parse(const char *cmdline)
1402 {
1403 int r;
1404 r = usb_device_add(cmdline);
1405 if (r < 0) {
1406 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1407 }
1408 return r;
1409 }
1410
1411 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1412 {
1413 const char *devname = qdict_get_str(qdict, "devname");
1414 if (usb_device_add(devname) < 0) {
1415 error_report("could not add USB device '%s'", devname);
1416 }
1417 }
1418
1419 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1420 {
1421 const char *devname = qdict_get_str(qdict, "devname");
1422 if (usb_device_del(devname) < 0) {
1423 error_report("could not delete USB device '%s'", devname);
1424 }
1425 }
1426
1427 /***********************************************************/
1428 /* machine registration */
1429
1430 MachineState *current_machine;
1431
1432 static MachineClass *find_machine(const char *name)
1433 {
1434 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1435 MachineClass *mc = NULL;
1436
1437 for (el = machines; el; el = el->next) {
1438 MachineClass *temp = el->data;
1439
1440 if (!strcmp(temp->name, name)) {
1441 mc = temp;
1442 break;
1443 }
1444 if (temp->alias &&
1445 !strcmp(temp->alias, name)) {
1446 mc = temp;
1447 break;
1448 }
1449 }
1450
1451 g_slist_free(machines);
1452 return mc;
1453 }
1454
1455 MachineClass *find_default_machine(void)
1456 {
1457 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1458 MachineClass *mc = NULL;
1459
1460 for (el = machines; el; el = el->next) {
1461 MachineClass *temp = el->data;
1462
1463 if (temp->is_default) {
1464 mc = temp;
1465 break;
1466 }
1467 }
1468
1469 g_slist_free(machines);
1470 return mc;
1471 }
1472
1473 MachineInfoList *qmp_query_machines(Error **errp)
1474 {
1475 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1476 MachineInfoList *mach_list = NULL;
1477
1478 for (el = machines; el; el = el->next) {
1479 MachineClass *mc = el->data;
1480 MachineInfoList *entry;
1481 MachineInfo *info;
1482
1483 info = g_malloc0(sizeof(*info));
1484 if (mc->is_default) {
1485 info->has_is_default = true;
1486 info->is_default = true;
1487 }
1488
1489 if (mc->alias) {
1490 info->has_alias = true;
1491 info->alias = g_strdup(mc->alias);
1492 }
1493
1494 info->name = g_strdup(mc->name);
1495 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1496
1497 entry = g_malloc0(sizeof(*entry));
1498 entry->value = info;
1499 entry->next = mach_list;
1500 mach_list = entry;
1501 }
1502
1503 g_slist_free(machines);
1504 return mach_list;
1505 }
1506
1507 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1508 {
1509 ObjectProperty *prop;
1510
1511 if (!qemu_opt_has_help_opt(opts)) {
1512 return 0;
1513 }
1514
1515 QTAILQ_FOREACH(prop, &OBJECT(machine)->properties, node) {
1516 if (!prop->set) {
1517 continue;
1518 }
1519
1520 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1521 prop->name, prop->type);
1522 if (prop->description) {
1523 error_printf(" (%s)\n", prop->description);
1524 } else {
1525 error_printf("\n");
1526 }
1527 }
1528
1529 return 1;
1530 }
1531
1532 /***********************************************************/
1533 /* main execution loop */
1534
1535 struct vm_change_state_entry {
1536 VMChangeStateHandler *cb;
1537 void *opaque;
1538 QLIST_ENTRY (vm_change_state_entry) entries;
1539 };
1540
1541 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1542
1543 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1544 void *opaque)
1545 {
1546 VMChangeStateEntry *e;
1547
1548 e = g_malloc0(sizeof (*e));
1549
1550 e->cb = cb;
1551 e->opaque = opaque;
1552 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1553 return e;
1554 }
1555
1556 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1557 {
1558 QLIST_REMOVE (e, entries);
1559 g_free (e);
1560 }
1561
1562 void vm_state_notify(int running, RunState state)
1563 {
1564 VMChangeStateEntry *e, *next;
1565
1566 trace_vm_state_notify(running, state);
1567
1568 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1569 e->cb(e->opaque, running, state);
1570 }
1571 }
1572
1573 /* reset/shutdown handler */
1574
1575 typedef struct QEMUResetEntry {
1576 QTAILQ_ENTRY(QEMUResetEntry) entry;
1577 QEMUResetHandler *func;
1578 void *opaque;
1579 } QEMUResetEntry;
1580
1581 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1582 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1583 static int reset_requested;
1584 static int shutdown_requested, shutdown_signal = -1;
1585 static pid_t shutdown_pid;
1586 static int powerdown_requested;
1587 static int debug_requested;
1588 static int suspend_requested;
1589 static WakeupReason wakeup_reason;
1590 static NotifierList powerdown_notifiers =
1591 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1592 static NotifierList suspend_notifiers =
1593 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1594 static NotifierList wakeup_notifiers =
1595 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1596 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1597
1598 int qemu_shutdown_requested_get(void)
1599 {
1600 return shutdown_requested;
1601 }
1602
1603 int qemu_reset_requested_get(void)
1604 {
1605 return reset_requested;
1606 }
1607
1608 static int qemu_shutdown_requested(void)
1609 {
1610 return atomic_xchg(&shutdown_requested, 0);
1611 }
1612
1613 static void qemu_kill_report(void)
1614 {
1615 if (!qtest_driver() && shutdown_signal != -1) {
1616 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1617 if (shutdown_pid == 0) {
1618 /* This happens for eg ^C at the terminal, so it's worth
1619 * avoiding printing an odd message in that case.
1620 */
1621 fputc('\n', stderr);
1622 } else {
1623 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1624 }
1625 shutdown_signal = -1;
1626 }
1627 }
1628
1629 static int qemu_reset_requested(void)
1630 {
1631 int r = reset_requested;
1632 reset_requested = 0;
1633 return r;
1634 }
1635
1636 static int qemu_suspend_requested(void)
1637 {
1638 int r = suspend_requested;
1639 suspend_requested = 0;
1640 return r;
1641 }
1642
1643 static WakeupReason qemu_wakeup_requested(void)
1644 {
1645 return wakeup_reason;
1646 }
1647
1648 static int qemu_powerdown_requested(void)
1649 {
1650 int r = powerdown_requested;
1651 powerdown_requested = 0;
1652 return r;
1653 }
1654
1655 static int qemu_debug_requested(void)
1656 {
1657 int r = debug_requested;
1658 debug_requested = 0;
1659 return r;
1660 }
1661
1662 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1663 {
1664 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1665
1666 re->func = func;
1667 re->opaque = opaque;
1668 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1669 }
1670
1671 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1672 {
1673 QEMUResetEntry *re;
1674
1675 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1676 if (re->func == func && re->opaque == opaque) {
1677 QTAILQ_REMOVE(&reset_handlers, re, entry);
1678 g_free(re);
1679 return;
1680 }
1681 }
1682 }
1683
1684 void qemu_devices_reset(void)
1685 {
1686 QEMUResetEntry *re, *nre;
1687
1688 /* reset all devices */
1689 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1690 re->func(re->opaque);
1691 }
1692 }
1693
1694 void qemu_system_reset(bool report)
1695 {
1696 MachineClass *mc;
1697
1698 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1699
1700 if (mc && mc->reset) {
1701 mc->reset();
1702 } else {
1703 qemu_devices_reset();
1704 }
1705 if (report) {
1706 qapi_event_send_reset(&error_abort);
1707 }
1708 cpu_synchronize_all_post_reset();
1709 }
1710
1711 void qemu_system_guest_panicked(void)
1712 {
1713 if (current_cpu) {
1714 current_cpu->crash_occurred = true;
1715 }
1716 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1717 vm_stop(RUN_STATE_GUEST_PANICKED);
1718 }
1719
1720 void qemu_system_reset_request(void)
1721 {
1722 if (no_reboot) {
1723 shutdown_requested = 1;
1724 } else {
1725 reset_requested = 1;
1726 }
1727 cpu_stop_current();
1728 qemu_notify_event();
1729 }
1730
1731 static void qemu_system_suspend(void)
1732 {
1733 pause_all_vcpus();
1734 notifier_list_notify(&suspend_notifiers, NULL);
1735 runstate_set(RUN_STATE_SUSPENDED);
1736 qapi_event_send_suspend(&error_abort);
1737 }
1738
1739 void qemu_system_suspend_request(void)
1740 {
1741 if (runstate_check(RUN_STATE_SUSPENDED)) {
1742 return;
1743 }
1744 suspend_requested = 1;
1745 cpu_stop_current();
1746 qemu_notify_event();
1747 }
1748
1749 void qemu_register_suspend_notifier(Notifier *notifier)
1750 {
1751 notifier_list_add(&suspend_notifiers, notifier);
1752 }
1753
1754 void qemu_system_wakeup_request(WakeupReason reason)
1755 {
1756 trace_system_wakeup_request(reason);
1757
1758 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1759 return;
1760 }
1761 if (!(wakeup_reason_mask & (1 << reason))) {
1762 return;
1763 }
1764 runstate_set(RUN_STATE_RUNNING);
1765 wakeup_reason = reason;
1766 qemu_notify_event();
1767 }
1768
1769 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1770 {
1771 if (enabled) {
1772 wakeup_reason_mask |= (1 << reason);
1773 } else {
1774 wakeup_reason_mask &= ~(1 << reason);
1775 }
1776 }
1777
1778 void qemu_register_wakeup_notifier(Notifier *notifier)
1779 {
1780 notifier_list_add(&wakeup_notifiers, notifier);
1781 }
1782
1783 void qemu_system_killed(int signal, pid_t pid)
1784 {
1785 shutdown_signal = signal;
1786 shutdown_pid = pid;
1787 no_shutdown = 0;
1788 qemu_system_shutdown_request();
1789 }
1790
1791 void qemu_system_shutdown_request(void)
1792 {
1793 trace_qemu_system_shutdown_request();
1794 shutdown_requested = 1;
1795 qemu_notify_event();
1796 }
1797
1798 static void qemu_system_powerdown(void)
1799 {
1800 qapi_event_send_powerdown(&error_abort);
1801 notifier_list_notify(&powerdown_notifiers, NULL);
1802 }
1803
1804 void qemu_system_powerdown_request(void)
1805 {
1806 trace_qemu_system_powerdown_request();
1807 powerdown_requested = 1;
1808 qemu_notify_event();
1809 }
1810
1811 void qemu_register_powerdown_notifier(Notifier *notifier)
1812 {
1813 notifier_list_add(&powerdown_notifiers, notifier);
1814 }
1815
1816 void qemu_system_debug_request(void)
1817 {
1818 debug_requested = 1;
1819 qemu_notify_event();
1820 }
1821
1822 static bool main_loop_should_exit(void)
1823 {
1824 RunState r;
1825 if (qemu_debug_requested()) {
1826 vm_stop(RUN_STATE_DEBUG);
1827 }
1828 if (qemu_suspend_requested()) {
1829 qemu_system_suspend();
1830 }
1831 if (qemu_shutdown_requested()) {
1832 qemu_kill_report();
1833 qapi_event_send_shutdown(&error_abort);
1834 if (no_shutdown) {
1835 vm_stop(RUN_STATE_SHUTDOWN);
1836 } else {
1837 return true;
1838 }
1839 }
1840 if (qemu_reset_requested()) {
1841 pause_all_vcpus();
1842 cpu_synchronize_all_states();
1843 qemu_system_reset(VMRESET_REPORT);
1844 resume_all_vcpus();
1845 if (runstate_needs_reset()) {
1846 runstate_set(RUN_STATE_PAUSED);
1847 }
1848 }
1849 if (qemu_wakeup_requested()) {
1850 pause_all_vcpus();
1851 cpu_synchronize_all_states();
1852 qemu_system_reset(VMRESET_SILENT);
1853 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1854 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1855 resume_all_vcpus();
1856 qapi_event_send_wakeup(&error_abort);
1857 }
1858 if (qemu_powerdown_requested()) {
1859 qemu_system_powerdown();
1860 }
1861 if (qemu_vmstop_requested(&r)) {
1862 vm_stop(r);
1863 }
1864 return false;
1865 }
1866
1867 static void main_loop(void)
1868 {
1869 bool nonblocking;
1870 int last_io = 0;
1871 #ifdef CONFIG_PROFILER
1872 int64_t ti;
1873 #endif
1874 do {
1875 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1876 #ifdef CONFIG_PROFILER
1877 ti = profile_getclock();
1878 #endif
1879 last_io = main_loop_wait(nonblocking);
1880 #ifdef CONFIG_PROFILER
1881 dev_time += profile_getclock() - ti;
1882 #endif
1883 } while (!main_loop_should_exit());
1884 }
1885
1886 static void version(void)
1887 {
1888 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1889 }
1890
1891 static void help(int exitcode)
1892 {
1893 version();
1894 printf("usage: %s [options] [disk_image]\n\n"
1895 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1896 error_get_progname());
1897
1898 #define QEMU_OPTIONS_GENERATE_HELP
1899 #include "qemu-options-wrapper.h"
1900
1901 printf("\nDuring emulation, the following keys are useful:\n"
1902 "ctrl-alt-f toggle full screen\n"
1903 "ctrl-alt-n switch to virtual console 'n'\n"
1904 "ctrl-alt toggle mouse and keyboard grab\n"
1905 "\n"
1906 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1907
1908 exit(exitcode);
1909 }
1910
1911 #define HAS_ARG 0x0001
1912
1913 typedef struct QEMUOption {
1914 const char *name;
1915 int flags;
1916 int index;
1917 uint32_t arch_mask;
1918 } QEMUOption;
1919
1920 static const QEMUOption qemu_options[] = {
1921 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1922 #define QEMU_OPTIONS_GENERATE_OPTIONS
1923 #include "qemu-options-wrapper.h"
1924 { NULL },
1925 };
1926
1927 static bool vga_available(void)
1928 {
1929 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1930 }
1931
1932 static bool cirrus_vga_available(void)
1933 {
1934 return object_class_by_name("cirrus-vga")
1935 || object_class_by_name("isa-cirrus-vga");
1936 }
1937
1938 static bool vmware_vga_available(void)
1939 {
1940 return object_class_by_name("vmware-svga");
1941 }
1942
1943 static bool qxl_vga_available(void)
1944 {
1945 return object_class_by_name("qxl-vga");
1946 }
1947
1948 static bool tcx_vga_available(void)
1949 {
1950 return object_class_by_name("SUNW,tcx");
1951 }
1952
1953 static bool cg3_vga_available(void)
1954 {
1955 return object_class_by_name("cgthree");
1956 }
1957
1958 static bool virtio_vga_available(void)
1959 {
1960 return object_class_by_name("virtio-vga");
1961 }
1962
1963 static void select_vgahw (const char *p)
1964 {
1965 const char *opts;
1966
1967 assert(vga_interface_type == VGA_NONE);
1968 if (strstart(p, "std", &opts)) {
1969 if (vga_available()) {
1970 vga_interface_type = VGA_STD;
1971 } else {
1972 fprintf(stderr, "Error: standard VGA not available\n");
1973 exit(0);
1974 }
1975 } else if (strstart(p, "cirrus", &opts)) {
1976 if (cirrus_vga_available()) {
1977 vga_interface_type = VGA_CIRRUS;
1978 } else {
1979 fprintf(stderr, "Error: Cirrus VGA not available\n");
1980 exit(0);
1981 }
1982 } else if (strstart(p, "vmware", &opts)) {
1983 if (vmware_vga_available()) {
1984 vga_interface_type = VGA_VMWARE;
1985 } else {
1986 fprintf(stderr, "Error: VMWare SVGA not available\n");
1987 exit(0);
1988 }
1989 } else if (strstart(p, "virtio", &opts)) {
1990 if (virtio_vga_available()) {
1991 vga_interface_type = VGA_VIRTIO;
1992 } else {
1993 fprintf(stderr, "Error: Virtio VGA not available\n");
1994 exit(0);
1995 }
1996 } else if (strstart(p, "xenfb", &opts)) {
1997 vga_interface_type = VGA_XENFB;
1998 } else if (strstart(p, "qxl", &opts)) {
1999 if (qxl_vga_available()) {
2000 vga_interface_type = VGA_QXL;
2001 } else {
2002 fprintf(stderr, "Error: QXL VGA not available\n");
2003 exit(0);
2004 }
2005 } else if (strstart(p, "tcx", &opts)) {
2006 if (tcx_vga_available()) {
2007 vga_interface_type = VGA_TCX;
2008 } else {
2009 fprintf(stderr, "Error: TCX framebuffer not available\n");
2010 exit(0);
2011 }
2012 } else if (strstart(p, "cg3", &opts)) {
2013 if (cg3_vga_available()) {
2014 vga_interface_type = VGA_CG3;
2015 } else {
2016 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2017 exit(0);
2018 }
2019 } else if (!strstart(p, "none", &opts)) {
2020 invalid_vga:
2021 fprintf(stderr, "Unknown vga type: %s\n", p);
2022 exit(1);
2023 }
2024 while (*opts) {
2025 const char *nextopt;
2026
2027 if (strstart(opts, ",retrace=", &nextopt)) {
2028 opts = nextopt;
2029 if (strstart(opts, "dumb", &nextopt))
2030 vga_retrace_method = VGA_RETRACE_DUMB;
2031 else if (strstart(opts, "precise", &nextopt))
2032 vga_retrace_method = VGA_RETRACE_PRECISE;
2033 else goto invalid_vga;
2034 } else goto invalid_vga;
2035 opts = nextopt;
2036 }
2037 }
2038
2039 static DisplayType select_display(const char *p)
2040 {
2041 const char *opts;
2042 DisplayType display = DT_DEFAULT;
2043
2044 if (strstart(p, "sdl", &opts)) {
2045 #ifdef CONFIG_SDL
2046 display = DT_SDL;
2047 while (*opts) {
2048 const char *nextopt;
2049
2050 if (strstart(opts, ",frame=", &nextopt)) {
2051 opts = nextopt;
2052 if (strstart(opts, "on", &nextopt)) {
2053 no_frame = 0;
2054 } else if (strstart(opts, "off", &nextopt)) {
2055 no_frame = 1;
2056 } else {
2057 goto invalid_sdl_args;
2058 }
2059 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2060 opts = nextopt;
2061 if (strstart(opts, "on", &nextopt)) {
2062 alt_grab = 1;
2063 } else if (strstart(opts, "off", &nextopt)) {
2064 alt_grab = 0;
2065 } else {
2066 goto invalid_sdl_args;
2067 }
2068 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2069 opts = nextopt;
2070 if (strstart(opts, "on", &nextopt)) {
2071 ctrl_grab = 1;
2072 } else if (strstart(opts, "off", &nextopt)) {
2073 ctrl_grab = 0;
2074 } else {
2075 goto invalid_sdl_args;
2076 }
2077 } else if (strstart(opts, ",window_close=", &nextopt)) {
2078 opts = nextopt;
2079 if (strstart(opts, "on", &nextopt)) {
2080 no_quit = 0;
2081 } else if (strstart(opts, "off", &nextopt)) {
2082 no_quit = 1;
2083 } else {
2084 goto invalid_sdl_args;
2085 }
2086 } else if (strstart(opts, ",gl=", &nextopt)) {
2087 opts = nextopt;
2088 if (strstart(opts, "on", &nextopt)) {
2089 request_opengl = 1;
2090 } else if (strstart(opts, "off", &nextopt)) {
2091 request_opengl = 0;
2092 } else {
2093 goto invalid_sdl_args;
2094 }
2095 } else {
2096 invalid_sdl_args:
2097 error_report("Invalid SDL option string");
2098 exit(1);
2099 }
2100 opts = nextopt;
2101 }
2102 #else
2103 error_report("SDL support is disabled");
2104 exit(1);
2105 #endif
2106 } else if (strstart(p, "vnc", &opts)) {
2107 #ifdef CONFIG_VNC
2108 if (*opts == '=') {
2109 Error *err = NULL;
2110 if (vnc_parse(opts + 1, &err) == NULL) {
2111 error_report_err(err);
2112 exit(1);
2113 }
2114 } else {
2115 error_report("VNC requires a display argument vnc=<display>");
2116 exit(1);
2117 }
2118 #else
2119 error_report("VNC support is disabled");
2120 exit(1);
2121 #endif
2122 } else if (strstart(p, "curses", &opts)) {
2123 #ifdef CONFIG_CURSES
2124 display = DT_CURSES;
2125 #else
2126 error_report("Curses support is disabled");
2127 exit(1);
2128 #endif
2129 } else if (strstart(p, "gtk", &opts)) {
2130 #ifdef CONFIG_GTK
2131 display = DT_GTK;
2132 while (*opts) {
2133 const char *nextopt;
2134
2135 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2136 opts = nextopt;
2137 if (strstart(opts, "on", &nextopt)) {
2138 grab_on_hover = true;
2139 } else if (strstart(opts, "off", &nextopt)) {
2140 grab_on_hover = false;
2141 } else {
2142 goto invalid_gtk_args;
2143 }
2144 } else if (strstart(opts, ",gl=", &nextopt)) {
2145 opts = nextopt;
2146 if (strstart(opts, "on", &nextopt)) {
2147 request_opengl = 1;
2148 } else if (strstart(opts, "off", &nextopt)) {
2149 request_opengl = 0;
2150 } else {
2151 goto invalid_gtk_args;
2152 }
2153 } else {
2154 invalid_gtk_args:
2155 error_report("Invalid GTK option string");
2156 exit(1);
2157 }
2158 opts = nextopt;
2159 }
2160 #else
2161 error_report("GTK support is disabled");
2162 exit(1);
2163 #endif
2164 } else if (strstart(p, "none", &opts)) {
2165 display = DT_NONE;
2166 } else {
2167 error_report("Unknown display type");
2168 exit(1);
2169 }
2170
2171 return display;
2172 }
2173
2174 static int balloon_parse(const char *arg)
2175 {
2176 QemuOpts *opts;
2177
2178 if (strcmp(arg, "none") == 0) {
2179 return 0;
2180 }
2181
2182 if (!strncmp(arg, "virtio", 6)) {
2183 if (arg[6] == ',') {
2184 /* have params -> parse them */
2185 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2186 false);
2187 if (!opts)
2188 return -1;
2189 } else {
2190 /* create empty opts */
2191 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2192 &error_abort);
2193 }
2194 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2195 return 0;
2196 }
2197
2198 return -1;
2199 }
2200
2201 char *qemu_find_file(int type, const char *name)
2202 {
2203 int i;
2204 const char *subdir;
2205 char *buf;
2206
2207 /* Try the name as a straight path first */
2208 if (access(name, R_OK) == 0) {
2209 trace_load_file(name, name);
2210 return g_strdup(name);
2211 }
2212
2213 switch (type) {
2214 case QEMU_FILE_TYPE_BIOS:
2215 subdir = "";
2216 break;
2217 case QEMU_FILE_TYPE_KEYMAP:
2218 subdir = "keymaps/";
2219 break;
2220 default:
2221 abort();
2222 }
2223
2224 for (i = 0; i < data_dir_idx; i++) {
2225 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2226 if (access(buf, R_OK) == 0) {
2227 trace_load_file(name, buf);
2228 return buf;
2229 }
2230 g_free(buf);
2231 }
2232 return NULL;
2233 }
2234
2235 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2236 {
2237 gchar *buf;
2238 size_t size;
2239 const char *name, *file;
2240
2241 if (opaque == NULL) {
2242 error_report("fw_cfg device not available");
2243 return -1;
2244 }
2245 name = qemu_opt_get(opts, "name");
2246 file = qemu_opt_get(opts, "file");
2247 if (name == NULL || *name == '\0' || file == NULL || *file == '\0') {
2248 error_report("invalid argument value");
2249 return -1;
2250 }
2251 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2252 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2253 return -1;
2254 }
2255 if (strncmp(name, "opt/", 4) != 0) {
2256 error_report("WARNING: externally provided fw_cfg item names "
2257 "should be prefixed with \"opt/\"!");
2258 }
2259 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2260 error_report("can't load %s", file);
2261 return -1;
2262 }
2263 fw_cfg_add_file((FWCfgState *)opaque, name, buf, size);
2264 return 0;
2265 }
2266
2267 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2268 {
2269 return qdev_device_help(opts);
2270 }
2271
2272 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2273 {
2274 Error *err = NULL;
2275 DeviceState *dev;
2276
2277 dev = qdev_device_add(opts, &err);
2278 if (!dev) {
2279 error_report_err(err);
2280 return -1;
2281 }
2282 object_unref(OBJECT(dev));
2283 return 0;
2284 }
2285
2286 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2287 {
2288 Error *local_err = NULL;
2289
2290 qemu_chr_new_from_opts(opts, NULL, &local_err);
2291 if (local_err) {
2292 error_report_err(local_err);
2293 return -1;
2294 }
2295 return 0;
2296 }
2297
2298 #ifdef CONFIG_VIRTFS
2299 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2300 {
2301 int ret;
2302 ret = qemu_fsdev_add(opts);
2303
2304 return ret;
2305 }
2306 #endif
2307
2308 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2309 {
2310 CharDriverState *chr;
2311 const char *chardev;
2312 const char *mode;
2313 int flags;
2314
2315 mode = qemu_opt_get(opts, "mode");
2316 if (mode == NULL) {
2317 mode = "readline";
2318 }
2319 if (strcmp(mode, "readline") == 0) {
2320 flags = MONITOR_USE_READLINE;
2321 } else if (strcmp(mode, "control") == 0) {
2322 flags = MONITOR_USE_CONTROL;
2323 } else {
2324 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2325 exit(1);
2326 }
2327
2328 if (qemu_opt_get_bool(opts, "pretty", 0))
2329 flags |= MONITOR_USE_PRETTY;
2330
2331 if (qemu_opt_get_bool(opts, "default", 0))
2332 flags |= MONITOR_IS_DEFAULT;
2333
2334 chardev = qemu_opt_get(opts, "chardev");
2335 chr = qemu_chr_find(chardev);
2336 if (chr == NULL) {
2337 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2338 exit(1);
2339 }
2340
2341 qemu_chr_fe_claim_no_fail(chr);
2342 monitor_init(chr, flags);
2343 return 0;
2344 }
2345
2346 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2347 {
2348 static int monitor_device_index = 0;
2349 Error *local_err = NULL;
2350 QemuOpts *opts;
2351 const char *p;
2352 char label[32];
2353 int def = 0;
2354
2355 if (strstart(optarg, "chardev:", &p)) {
2356 snprintf(label, sizeof(label), "%s", p);
2357 } else {
2358 snprintf(label, sizeof(label), "compat_monitor%d",
2359 monitor_device_index);
2360 if (monitor_device_index == 0) {
2361 def = 1;
2362 }
2363 opts = qemu_chr_parse_compat(label, optarg);
2364 if (!opts) {
2365 fprintf(stderr, "parse error: %s\n", optarg);
2366 exit(1);
2367 }
2368 }
2369
2370 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2371 if (!opts) {
2372 error_report_err(local_err);
2373 exit(1);
2374 }
2375 qemu_opt_set(opts, "mode", mode, &error_abort);
2376 qemu_opt_set(opts, "chardev", label, &error_abort);
2377 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2378 if (def)
2379 qemu_opt_set(opts, "default", "on", &error_abort);
2380 monitor_device_index++;
2381 }
2382
2383 struct device_config {
2384 enum {
2385 DEV_USB, /* -usbdevice */
2386 DEV_BT, /* -bt */
2387 DEV_SERIAL, /* -serial */
2388 DEV_PARALLEL, /* -parallel */
2389 DEV_VIRTCON, /* -virtioconsole */
2390 DEV_DEBUGCON, /* -debugcon */
2391 DEV_GDB, /* -gdb, -s */
2392 DEV_SCLP, /* s390 sclp */
2393 } type;
2394 const char *cmdline;
2395 Location loc;
2396 QTAILQ_ENTRY(device_config) next;
2397 };
2398
2399 static QTAILQ_HEAD(, device_config) device_configs =
2400 QTAILQ_HEAD_INITIALIZER(device_configs);
2401
2402 static void add_device_config(int type, const char *cmdline)
2403 {
2404 struct device_config *conf;
2405
2406 conf = g_malloc0(sizeof(*conf));
2407 conf->type = type;
2408 conf->cmdline = cmdline;
2409 loc_save(&conf->loc);
2410 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2411 }
2412
2413 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2414 {
2415 struct device_config *conf;
2416 int rc;
2417
2418 QTAILQ_FOREACH(conf, &device_configs, next) {
2419 if (conf->type != type)
2420 continue;
2421 loc_push_restore(&conf->loc);
2422 rc = func(conf->cmdline);
2423 loc_pop(&conf->loc);
2424 if (rc) {
2425 return rc;
2426 }
2427 }
2428 return 0;
2429 }
2430
2431 static int serial_parse(const char *devname)
2432 {
2433 static int index = 0;
2434 char label[32];
2435
2436 if (strcmp(devname, "none") == 0)
2437 return 0;
2438 if (index == MAX_SERIAL_PORTS) {
2439 fprintf(stderr, "qemu: too many serial ports\n");
2440 exit(1);
2441 }
2442 snprintf(label, sizeof(label), "serial%d", index);
2443 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2444 if (!serial_hds[index]) {
2445 fprintf(stderr, "qemu: could not connect serial device"
2446 " to character backend '%s'\n", devname);
2447 return -1;
2448 }
2449 index++;
2450 return 0;
2451 }
2452
2453 static int parallel_parse(const char *devname)
2454 {
2455 static int index = 0;
2456 char label[32];
2457
2458 if (strcmp(devname, "none") == 0)
2459 return 0;
2460 if (index == MAX_PARALLEL_PORTS) {
2461 fprintf(stderr, "qemu: too many parallel ports\n");
2462 exit(1);
2463 }
2464 snprintf(label, sizeof(label), "parallel%d", index);
2465 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2466 if (!parallel_hds[index]) {
2467 fprintf(stderr, "qemu: could not connect parallel device"
2468 " to character backend '%s'\n", devname);
2469 return -1;
2470 }
2471 index++;
2472 return 0;
2473 }
2474
2475 static int virtcon_parse(const char *devname)
2476 {
2477 QemuOptsList *device = qemu_find_opts("device");
2478 static int index = 0;
2479 char label[32];
2480 QemuOpts *bus_opts, *dev_opts;
2481
2482 if (strcmp(devname, "none") == 0)
2483 return 0;
2484 if (index == MAX_VIRTIO_CONSOLES) {
2485 fprintf(stderr, "qemu: too many virtio consoles\n");
2486 exit(1);
2487 }
2488
2489 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2490 if (arch_type == QEMU_ARCH_S390X) {
2491 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390", &error_abort);
2492 } else {
2493 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci", &error_abort);
2494 }
2495
2496 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2497 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2498
2499 snprintf(label, sizeof(label), "virtcon%d", index);
2500 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2501 if (!virtcon_hds[index]) {
2502 fprintf(stderr, "qemu: could not connect virtio console"
2503 " to character backend '%s'\n", devname);
2504 return -1;
2505 }
2506 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2507
2508 index++;
2509 return 0;
2510 }
2511
2512 static int sclp_parse(const char *devname)
2513 {
2514 QemuOptsList *device = qemu_find_opts("device");
2515 static int index = 0;
2516 char label[32];
2517 QemuOpts *dev_opts;
2518
2519 if (strcmp(devname, "none") == 0) {
2520 return 0;
2521 }
2522 if (index == MAX_SCLP_CONSOLES) {
2523 fprintf(stderr, "qemu: too many sclp consoles\n");
2524 exit(1);
2525 }
2526
2527 assert(arch_type == QEMU_ARCH_S390X);
2528
2529 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2530 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2531
2532 snprintf(label, sizeof(label), "sclpcon%d", index);
2533 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2534 if (!sclp_hds[index]) {
2535 fprintf(stderr, "qemu: could not connect sclp console"
2536 " to character backend '%s'\n", devname);
2537 return -1;
2538 }
2539 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2540
2541 index++;
2542 return 0;
2543 }
2544
2545 static int debugcon_parse(const char *devname)
2546 {
2547 QemuOpts *opts;
2548
2549 if (!qemu_chr_new("debugcon", devname, NULL)) {
2550 exit(1);
2551 }
2552 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2553 if (!opts) {
2554 fprintf(stderr, "qemu: already have a debugcon device\n");
2555 exit(1);
2556 }
2557 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2558 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2559 return 0;
2560 }
2561
2562 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2563 {
2564 const MachineClass *mc1 = a, *mc2 = b;
2565 int res;
2566
2567 if (mc1->family == NULL) {
2568 if (mc2->family == NULL) {
2569 /* Compare standalone machine types against each other; they sort
2570 * in increasing order.
2571 */
2572 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2573 object_class_get_name(OBJECT_CLASS(mc2)));
2574 }
2575
2576 /* Standalone machine types sort after families. */
2577 return 1;
2578 }
2579
2580 if (mc2->family == NULL) {
2581 /* Families sort before standalone machine types. */
2582 return -1;
2583 }
2584
2585 /* Families sort between each other alphabetically increasingly. */
2586 res = strcmp(mc1->family, mc2->family);
2587 if (res != 0) {
2588 return res;
2589 }
2590
2591 /* Within the same family, machine types sort in decreasing order. */
2592 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2593 object_class_get_name(OBJECT_CLASS(mc1)));
2594 }
2595
2596 static MachineClass *machine_parse(const char *name)
2597 {
2598 MachineClass *mc = NULL;
2599 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2600
2601 if (name) {
2602 mc = find_machine(name);
2603 }
2604 if (mc) {
2605 g_slist_free(machines);
2606 return mc;
2607 }
2608 if (name && !is_help_option(name)) {
2609 error_report("Unsupported machine type");
2610 error_printf("Use -machine help to list supported machines!\n");
2611 } else {
2612 printf("Supported machines are:\n");
2613 machines = g_slist_sort(machines, machine_class_cmp);
2614 for (el = machines; el; el = el->next) {
2615 MachineClass *mc = el->data;
2616 if (mc->alias) {
2617 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2618 }
2619 printf("%-20s %s%s\n", mc->name, mc->desc,
2620 mc->is_default ? " (default)" : "");
2621 }
2622 }
2623
2624 g_slist_free(machines);
2625 exit(!name || !is_help_option(name));
2626 }
2627
2628 void qemu_add_exit_notifier(Notifier *notify)
2629 {
2630 notifier_list_add(&exit_notifiers, notify);
2631 }
2632
2633 void qemu_remove_exit_notifier(Notifier *notify)
2634 {
2635 notifier_remove(notify);
2636 }
2637
2638 static void qemu_run_exit_notifiers(void)
2639 {
2640 notifier_list_notify(&exit_notifiers, NULL);
2641 }
2642
2643 static bool machine_init_done;
2644
2645 void qemu_add_machine_init_done_notifier(Notifier *notify)
2646 {
2647 notifier_list_add(&machine_init_done_notifiers, notify);
2648 if (machine_init_done) {
2649 notify->notify(notify, NULL);
2650 }
2651 }
2652
2653 static void qemu_run_machine_init_done_notifiers(void)
2654 {
2655 notifier_list_notify(&machine_init_done_notifiers, NULL);
2656 machine_init_done = true;
2657 }
2658
2659 static const QEMUOption *lookup_opt(int argc, char **argv,
2660 const char **poptarg, int *poptind)
2661 {
2662 const QEMUOption *popt;
2663 int optind = *poptind;
2664 char *r = argv[optind];
2665 const char *optarg;
2666
2667 loc_set_cmdline(argv, optind, 1);
2668 optind++;
2669 /* Treat --foo the same as -foo. */
2670 if (r[1] == '-')
2671 r++;
2672 popt = qemu_options;
2673 for(;;) {
2674 if (!popt->name) {
2675 error_report("invalid option");
2676 exit(1);
2677 }
2678 if (!strcmp(popt->name, r + 1))
2679 break;
2680 popt++;
2681 }
2682 if (popt->flags & HAS_ARG) {
2683 if (optind >= argc) {
2684 error_report("requires an argument");
2685 exit(1);
2686 }
2687 optarg = argv[optind++];
2688 loc_set_cmdline(argv, optind - 2, 2);
2689 } else {
2690 optarg = NULL;
2691 }
2692
2693 *poptarg = optarg;
2694 *poptind = optind;
2695
2696 return popt;
2697 }
2698
2699 static gpointer malloc_and_trace(gsize n_bytes)
2700 {
2701 void *ptr = malloc(n_bytes);
2702 trace_g_malloc(n_bytes, ptr);
2703 return ptr;
2704 }
2705
2706 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2707 {
2708 void *ptr = realloc(mem, n_bytes);
2709 trace_g_realloc(mem, n_bytes, ptr);
2710 return ptr;
2711 }
2712
2713 static void free_and_trace(gpointer mem)
2714 {
2715 trace_g_free(mem);
2716 free(mem);
2717 }
2718
2719 static int machine_set_property(void *opaque,
2720 const char *name, const char *value,
2721 Error **errp)
2722 {
2723 Object *obj = OBJECT(opaque);
2724 Error *local_err = NULL;
2725 char *c, *qom_name;
2726
2727 if (strcmp(name, "type") == 0) {
2728 return 0;
2729 }
2730
2731 qom_name = g_strdup(name);
2732 c = qom_name;
2733 while (*c++) {
2734 if (*c == '_') {
2735 *c = '-';
2736 }
2737 }
2738
2739 object_property_parse(obj, value, qom_name, &local_err);
2740 g_free(qom_name);
2741
2742 if (local_err) {
2743 error_report_err(local_err);
2744 return -1;
2745 }
2746
2747 return 0;
2748 }
2749
2750
2751 /*
2752 * Initial object creation happens before all other
2753 * QEMU data types are created. The majority of objects
2754 * can be created at this point. The rng-egd object
2755 * cannot be created here, as it depends on the chardev
2756 * already existing.
2757 */
2758 static bool object_create_initial(const char *type)
2759 {
2760 if (g_str_equal(type, "rng-egd")) {
2761 return false;
2762 }
2763 return true;
2764 }
2765
2766
2767 /*
2768 * The remainder of object creation happens after the
2769 * creation of chardev, fsdev and device data types.
2770 */
2771 static bool object_create_delayed(const char *type)
2772 {
2773 return !object_create_initial(type);
2774 }
2775
2776
2777 static int object_create(void *opaque, QemuOpts *opts, Error **errp)
2778 {
2779 Error *err = NULL;
2780 char *type = NULL;
2781 char *id = NULL;
2782 void *dummy = NULL;
2783 OptsVisitor *ov;
2784 QDict *pdict;
2785 bool (*type_predicate)(const char *) = opaque;
2786
2787 ov = opts_visitor_new(opts);
2788 pdict = qemu_opts_to_qdict(opts, NULL);
2789
2790 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2791 if (err) {
2792 goto out;
2793 }
2794
2795 qdict_del(pdict, "qom-type");
2796 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2797 if (err) {
2798 goto out;
2799 }
2800 if (!type_predicate(type)) {
2801 goto out;
2802 }
2803
2804 qdict_del(pdict, "id");
2805 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2806 if (err) {
2807 goto out;
2808 }
2809
2810 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2811 if (err) {
2812 goto out;
2813 }
2814 visit_end_struct(opts_get_visitor(ov), &err);
2815 if (err) {
2816 qmp_object_del(id, NULL);
2817 }
2818
2819 out:
2820 opts_visitor_cleanup(ov);
2821
2822 QDECREF(pdict);
2823 g_free(id);
2824 g_free(type);
2825 g_free(dummy);
2826 if (err) {
2827 error_report_err(err);
2828 return -1;
2829 }
2830 return 0;
2831 }
2832
2833 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2834 MachineClass *mc)
2835 {
2836 uint64_t sz;
2837 const char *mem_str;
2838 const char *maxmem_str, *slots_str;
2839 const ram_addr_t default_ram_size = mc->default_ram_size;
2840 QemuOpts *opts = qemu_find_opts_singleton("memory");
2841
2842 sz = 0;
2843 mem_str = qemu_opt_get(opts, "size");
2844 if (mem_str) {
2845 if (!*mem_str) {
2846 error_report("missing 'size' option value");
2847 exit(EXIT_FAILURE);
2848 }
2849
2850 sz = qemu_opt_get_size(opts, "size", ram_size);
2851
2852 /* Fix up legacy suffix-less format */
2853 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2854 uint64_t overflow_check = sz;
2855
2856 sz <<= 20;
2857 if ((sz >> 20) != overflow_check) {
2858 error_report("too large 'size' option value");
2859 exit(EXIT_FAILURE);
2860 }
2861 }
2862 }
2863
2864 /* backward compatibility behaviour for case "-m 0" */
2865 if (sz == 0) {
2866 sz = default_ram_size;
2867 }
2868
2869 sz = QEMU_ALIGN_UP(sz, 8192);
2870 ram_size = sz;
2871 if (ram_size != sz) {
2872 error_report("ram size too large");
2873 exit(EXIT_FAILURE);
2874 }
2875
2876 /* store value for the future use */
2877 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2878 *maxram_size = ram_size;
2879
2880 maxmem_str = qemu_opt_get(opts, "maxmem");
2881 slots_str = qemu_opt_get(opts, "slots");
2882 if (maxmem_str && slots_str) {
2883 uint64_t slots;
2884
2885 sz = qemu_opt_get_size(opts, "maxmem", 0);
2886 slots = qemu_opt_get_number(opts, "slots", 0);
2887 if (sz < ram_size) {
2888 error_report("invalid value of -m option maxmem: "
2889 "maximum memory size (0x%" PRIx64 ") must be at least "
2890 "the initial memory size (0x" RAM_ADDR_FMT ")",
2891 sz, ram_size);
2892 exit(EXIT_FAILURE);
2893 } else if (sz > ram_size) {
2894 if (!slots) {
2895 error_report("invalid value of -m option: maxmem was "
2896 "specified, but no hotplug slots were specified");
2897 exit(EXIT_FAILURE);
2898 }
2899 } else if (slots) {
2900 error_report("invalid value of -m option maxmem: "
2901 "memory slots were specified but maximum memory size "
2902 "(0x%" PRIx64 ") is equal to the initial memory size "
2903 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2904 exit(EXIT_FAILURE);
2905 }
2906
2907 *maxram_size = sz;
2908 *ram_slots = slots;
2909 } else if ((!maxmem_str && slots_str) ||
2910 (maxmem_str && !slots_str)) {
2911 error_report("invalid -m option value: missing "
2912 "'%s' option", slots_str ? "maxmem" : "slots");
2913 exit(EXIT_FAILURE);
2914 }
2915 }
2916
2917 int main(int argc, char **argv, char **envp)
2918 {
2919 int i;
2920 int snapshot, linux_boot;
2921 const char *initrd_filename;
2922 const char *kernel_filename, *kernel_cmdline;
2923 const char *boot_order = NULL;
2924 const char *boot_once = NULL;
2925 DisplayState *ds;
2926 int cyls, heads, secs, translation;
2927 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2928 QemuOptsList *olist;
2929 int optind;
2930 const char *optarg;
2931 const char *loadvm = NULL;
2932 MachineClass *machine_class;
2933 const char *cpu_model;
2934 const char *vga_model = NULL;
2935 const char *qtest_chrdev = NULL;
2936 const char *qtest_log = NULL;
2937 const char *pid_file = NULL;
2938 const char *incoming = NULL;
2939 #ifdef CONFIG_VNC
2940 int show_vnc_port = 0;
2941 #endif
2942 bool defconfig = true;
2943 bool userconfig = true;
2944 const char *log_mask = NULL;
2945 const char *log_file = NULL;
2946 GMemVTable mem_trace = {
2947 .malloc = malloc_and_trace,
2948 .realloc = realloc_and_trace,
2949 .free = free_and_trace,
2950 };
2951 const char *trace_events = NULL;
2952 const char *trace_file = NULL;
2953 ram_addr_t maxram_size;
2954 uint64_t ram_slots = 0;
2955 FILE *vmstate_dump_file = NULL;
2956 Error *main_loop_err = NULL;
2957 Error *err = NULL;
2958
2959 qemu_init_cpu_loop();
2960 qemu_mutex_lock_iothread();
2961
2962 atexit(qemu_run_exit_notifiers);
2963 error_set_progname(argv[0]);
2964 qemu_init_exec_dir(argv[0]);
2965
2966 g_mem_set_vtable(&mem_trace);
2967
2968 module_call_init(MODULE_INIT_QOM);
2969
2970 qemu_add_opts(&qemu_drive_opts);
2971 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2972 qemu_add_drive_opts(&qemu_common_drive_opts);
2973 qemu_add_drive_opts(&qemu_drive_opts);
2974 qemu_add_opts(&qemu_chardev_opts);
2975 qemu_add_opts(&qemu_device_opts);
2976 qemu_add_opts(&qemu_netdev_opts);
2977 qemu_add_opts(&qemu_net_opts);
2978 qemu_add_opts(&qemu_rtc_opts);
2979 qemu_add_opts(&qemu_global_opts);
2980 qemu_add_opts(&qemu_mon_opts);
2981 qemu_add_opts(&qemu_trace_opts);
2982 qemu_add_opts(&qemu_option_rom_opts);
2983 qemu_add_opts(&qemu_machine_opts);
2984 qemu_add_opts(&qemu_mem_opts);
2985 qemu_add_opts(&qemu_smp_opts);
2986 qemu_add_opts(&qemu_boot_opts);
2987 qemu_add_opts(&qemu_sandbox_opts);
2988 qemu_add_opts(&qemu_add_fd_opts);
2989 qemu_add_opts(&qemu_object_opts);
2990 qemu_add_opts(&qemu_tpmdev_opts);
2991 qemu_add_opts(&qemu_realtime_opts);
2992 qemu_add_opts(&qemu_msg_opts);
2993 qemu_add_opts(&qemu_name_opts);
2994 qemu_add_opts(&qemu_numa_opts);
2995 qemu_add_opts(&qemu_icount_opts);
2996 qemu_add_opts(&qemu_semihosting_config_opts);
2997 qemu_add_opts(&qemu_fw_cfg_opts);
2998
2999 runstate_init();
3000
3001 if (qcrypto_init(&err) < 0) {
3002 fprintf(stderr, "Cannot initialize crypto: %s\n",
3003 error_get_pretty(err));
3004 exit(1);
3005 }
3006 rtc_clock = QEMU_CLOCK_HOST;
3007
3008 QLIST_INIT (&vm_change_state_head);
3009 os_setup_early_signal_handling();
3010
3011 module_call_init(MODULE_INIT_MACHINE);
3012 machine_class = find_default_machine();
3013 cpu_model = NULL;
3014 snapshot = 0;
3015 cyls = heads = secs = 0;
3016 translation = BIOS_ATA_TRANSLATION_AUTO;
3017
3018 nb_nics = 0;
3019
3020 bdrv_init_with_whitelist();
3021
3022 autostart = 1;
3023
3024 /* first pass of option parsing */
3025 optind = 1;
3026 while (optind < argc) {
3027 if (argv[optind][0] != '-') {
3028 /* disk image */
3029 optind++;
3030 } else {
3031 const QEMUOption *popt;
3032
3033 popt = lookup_opt(argc, argv, &optarg, &optind);
3034 switch (popt->index) {
3035 case QEMU_OPTION_nodefconfig:
3036 defconfig = false;
3037 break;
3038 case QEMU_OPTION_nouserconfig:
3039 userconfig = false;
3040 break;
3041 }
3042 }
3043 }
3044
3045 if (defconfig) {
3046 int ret;
3047 ret = qemu_read_default_config_files(userconfig);
3048 if (ret < 0) {
3049 exit(1);
3050 }
3051 }
3052
3053 /* second pass of option parsing */
3054 optind = 1;
3055 for(;;) {
3056 if (optind >= argc)
3057 break;
3058 if (argv[optind][0] != '-') {
3059 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3060 } else {
3061 const QEMUOption *popt;
3062
3063 popt = lookup_opt(argc, argv, &optarg, &optind);
3064 if (!(popt->arch_mask & arch_type)) {
3065 printf("Option %s not supported for this target\n", popt->name);
3066 exit(1);
3067 }
3068 switch(popt->index) {
3069 case QEMU_OPTION_no_kvm_irqchip: {
3070 olist = qemu_find_opts("machine");
3071 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3072 break;
3073 }
3074 case QEMU_OPTION_cpu:
3075 /* hw initialization will check this */
3076 cpu_model = optarg;
3077 break;
3078 case QEMU_OPTION_hda:
3079 {
3080 char buf[256];
3081 if (cyls == 0)
3082 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3083 else
3084 snprintf(buf, sizeof(buf),
3085 "%s,cyls=%d,heads=%d,secs=%d%s",
3086 HD_OPTS , cyls, heads, secs,
3087 translation == BIOS_ATA_TRANSLATION_LBA ?
3088 ",trans=lba" :
3089 translation == BIOS_ATA_TRANSLATION_NONE ?
3090 ",trans=none" : "");
3091 drive_add(IF_DEFAULT, 0, optarg, buf);
3092 break;
3093 }
3094 case QEMU_OPTION_hdb:
3095 case QEMU_OPTION_hdc:
3096 case QEMU_OPTION_hdd:
3097 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3098 HD_OPTS);
3099 break;
3100 case QEMU_OPTION_drive:
3101 if (drive_def(optarg) == NULL) {
3102 exit(1);
3103 }
3104 break;
3105 case QEMU_OPTION_set:
3106 if (qemu_set_option(optarg) != 0)
3107 exit(1);
3108 break;
3109 case QEMU_OPTION_global:
3110 if (qemu_global_option(optarg) != 0)
3111 exit(1);
3112 break;
3113 case QEMU_OPTION_mtdblock:
3114 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3115 break;
3116 case QEMU_OPTION_sd:
3117 drive_add(IF_SD, -1, optarg, SD_OPTS);
3118 break;
3119 case QEMU_OPTION_pflash:
3120 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3121 break;
3122 case QEMU_OPTION_snapshot:
3123 snapshot = 1;
3124 break;
3125 case QEMU_OPTION_hdachs:
3126 {
3127 const char *p;
3128 p = optarg;
3129 cyls = strtol(p, (char **)&p, 0);
3130 if (cyls < 1 || cyls > 16383)
3131 goto chs_fail;
3132 if (*p != ',')
3133 goto chs_fail;
3134 p++;
3135 heads = strtol(p, (char **)&p, 0);
3136 if (heads < 1 || heads > 16)
3137 goto chs_fail;
3138 if (*p != ',')
3139 goto chs_fail;
3140 p++;
3141 secs = strtol(p, (char **)&p, 0);
3142 if (secs < 1 || secs > 63)
3143 goto chs_fail;
3144 if (*p == ',') {
3145 p++;
3146 if (!strcmp(p, "large")) {
3147 translation = BIOS_ATA_TRANSLATION_LARGE;
3148 } else if (!strcmp(p, "rechs")) {
3149 translation = BIOS_ATA_TRANSLATION_RECHS;
3150 } else if (!strcmp(p, "none")) {
3151 translation = BIOS_ATA_TRANSLATION_NONE;
3152 } else if (!strcmp(p, "lba")) {
3153 translation = BIOS_ATA_TRANSLATION_LBA;
3154 } else if (!strcmp(p, "auto")) {
3155 translation = BIOS_ATA_TRANSLATION_AUTO;
3156 } else {
3157 goto chs_fail;
3158 }
3159 } else if (*p != '\0') {
3160 chs_fail:
3161 fprintf(stderr, "qemu: invalid physical CHS format\n");
3162 exit(1);
3163 }
3164 if (hda_opts != NULL) {
3165 qemu_opt_set_number(hda_opts, "cyls", cyls,
3166 &error_abort);
3167 qemu_opt_set_number(hda_opts, "heads", heads,
3168 &error_abort);
3169 qemu_opt_set_number(hda_opts, "secs", secs,
3170 &error_abort);
3171 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3172 qemu_opt_set(hda_opts, "trans", "large",
3173 &error_abort);
3174 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3175 qemu_opt_set(hda_opts, "trans", "rechs",
3176 &error_abort);
3177 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3178 qemu_opt_set(hda_opts, "trans", "lba",
3179 &error_abort);
3180 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3181 qemu_opt_set(hda_opts, "trans", "none",
3182 &error_abort);
3183 }
3184 }
3185 }
3186 break;
3187 case QEMU_OPTION_numa:
3188 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3189 optarg, true);
3190 if (!opts) {
3191 exit(1);
3192 }
3193 break;
3194 case QEMU_OPTION_display:
3195 display_type = select_display(optarg);
3196 break;
3197 case QEMU_OPTION_nographic:
3198 display_type = DT_NOGRAPHIC;
3199 break;
3200 case QEMU_OPTION_curses:
3201 #ifdef CONFIG_CURSES
3202 display_type = DT_CURSES;
3203 #else
3204 fprintf(stderr, "Curses support is disabled\n");
3205 exit(1);
3206 #endif
3207 break;
3208 case QEMU_OPTION_portrait:
3209 graphic_rotate = 90;
3210 break;
3211 case QEMU_OPTION_rotate:
3212 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3213 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3214 graphic_rotate != 180 && graphic_rotate != 270) {
3215 fprintf(stderr,
3216 "qemu: only 90, 180, 270 deg rotation is available\n");
3217 exit(1);
3218 }
3219 break;
3220 case QEMU_OPTION_kernel:
3221 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3222 &error_abort);
3223 break;
3224 case QEMU_OPTION_initrd:
3225 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3226 &error_abort);
3227 break;
3228 case QEMU_OPTION_append:
3229 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3230 &error_abort);
3231 break;
3232 case QEMU_OPTION_dtb:
3233 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3234 &error_abort);
3235 break;
3236 case QEMU_OPTION_cdrom:
3237 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3238 break;
3239 case QEMU_OPTION_boot:
3240 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3241 optarg, true);
3242 if (!opts) {
3243 exit(1);
3244 }
3245 break;
3246 case QEMU_OPTION_fda:
3247 case QEMU_OPTION_fdb:
3248 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3249 optarg, FD_OPTS);
3250 break;
3251 case QEMU_OPTION_no_fd_bootchk:
3252 fd_bootchk = 0;
3253 break;
3254 case QEMU_OPTION_netdev:
3255 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3256 exit(1);
3257 }
3258 break;
3259 case QEMU_OPTION_net:
3260 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3261 exit(1);
3262 }
3263 break;
3264 #ifdef CONFIG_LIBISCSI
3265 case QEMU_OPTION_iscsi:
3266 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3267 optarg, false);
3268 if (!opts) {
3269 exit(1);
3270 }
3271 break;
3272 #endif
3273 #ifdef CONFIG_SLIRP
3274 case QEMU_OPTION_tftp:
3275 legacy_tftp_prefix = optarg;
3276 break;
3277 case QEMU_OPTION_bootp:
3278 legacy_bootp_filename = optarg;
3279 break;
3280 case QEMU_OPTION_redir:
3281 if (net_slirp_redir(optarg) < 0)
3282 exit(1);
3283 break;
3284 #endif
3285 case QEMU_OPTION_bt:
3286 add_device_config(DEV_BT, optarg);
3287 break;
3288 case QEMU_OPTION_audio_help:
3289 AUD_help ();
3290 exit (0);
3291 break;
3292 case QEMU_OPTION_soundhw:
3293 select_soundhw (optarg);
3294 break;
3295 case QEMU_OPTION_h:
3296 help(0);
3297 break;
3298 case QEMU_OPTION_version:
3299 version();
3300 exit(0);
3301 break;
3302 case QEMU_OPTION_m:
3303 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3304 optarg, true);
3305 if (!opts) {
3306 exit(EXIT_FAILURE);
3307 }
3308 break;
3309 #ifdef CONFIG_TPM
3310 case QEMU_OPTION_tpmdev:
3311 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3312 exit(1);
3313 }
3314 break;
3315 #endif
3316 case QEMU_OPTION_mempath:
3317 mem_path = optarg;
3318 break;
3319 case QEMU_OPTION_mem_prealloc:
3320 mem_prealloc = 1;
3321 break;
3322 case QEMU_OPTION_d:
3323 log_mask = optarg;
3324 break;
3325 case QEMU_OPTION_D:
3326 log_file = optarg;
3327 break;
3328 case QEMU_OPTION_s:
3329 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3330 break;
3331 case QEMU_OPTION_gdb:
3332 add_device_config(DEV_GDB, optarg);
3333 break;
3334 case QEMU_OPTION_L:
3335 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3336 data_dir[data_dir_idx++] = optarg;
3337 }
3338 break;
3339 case QEMU_OPTION_bios:
3340 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3341 &error_abort);
3342 break;
3343 case QEMU_OPTION_singlestep:
3344 singlestep = 1;
3345 break;
3346 case QEMU_OPTION_S:
3347 autostart = 0;
3348 break;
3349 case QEMU_OPTION_k:
3350 keyboard_layout = optarg;
3351 break;
3352 case QEMU_OPTION_localtime:
3353 rtc_utc = 0;
3354 break;
3355 case QEMU_OPTION_vga:
3356 vga_model = optarg;
3357 default_vga = 0;
3358 break;
3359 case QEMU_OPTION_g:
3360 {
3361 const char *p;
3362 int w, h, depth;
3363 p = optarg;
3364 w = strtol(p, (char **)&p, 10);
3365 if (w <= 0) {
3366 graphic_error:
3367 fprintf(stderr, "qemu: invalid resolution or depth\n");
3368 exit(1);
3369 }
3370 if (*p != 'x')
3371 goto graphic_error;
3372 p++;
3373 h = strtol(p, (char **)&p, 10);
3374 if (h <= 0)
3375 goto graphic_error;
3376 if (*p == 'x') {
3377 p++;
3378 depth = strtol(p, (char **)&p, 10);
3379 if (depth != 8 && depth != 15 && depth != 16 &&
3380 depth != 24 && depth != 32)
3381 goto graphic_error;
3382 } else if (*p == '\0') {
3383 depth = graphic_depth;
3384 } else {
3385 goto graphic_error;
3386 }
3387
3388 graphic_width = w;
3389 graphic_height = h;
3390 graphic_depth = depth;
3391 }
3392 break;
3393 case QEMU_OPTION_echr:
3394 {
3395 char *r;
3396 term_escape_char = strtol(optarg, &r, 0);
3397 if (r == optarg)
3398 printf("Bad argument to echr\n");
3399 break;
3400 }
3401 case QEMU_OPTION_monitor:
3402 default_monitor = 0;
3403 if (strncmp(optarg, "none", 4)) {
3404 monitor_parse(optarg, "readline", false);
3405 }
3406 break;
3407 case QEMU_OPTION_qmp:
3408 monitor_parse(optarg, "control", false);
3409 default_monitor = 0;
3410 break;
3411 case QEMU_OPTION_qmp_pretty:
3412 monitor_parse(optarg, "control", true);
3413 default_monitor = 0;
3414 break;
3415 case QEMU_OPTION_mon:
3416 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3417 true);
3418 if (!opts) {
3419 exit(1);
3420 }
3421 default_monitor = 0;
3422 break;
3423 case QEMU_OPTION_chardev:
3424 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3425 optarg, true);
3426 if (!opts) {
3427 exit(1);
3428 }
3429 break;
3430 case QEMU_OPTION_fsdev:
3431 olist = qemu_find_opts("fsdev");
3432 if (!olist) {
3433 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3434 exit(1);
3435 }
3436 opts = qemu_opts_parse_noisily(olist, optarg, true);
3437 if (!opts) {
3438 exit(1);
3439 }
3440 break;
3441 case QEMU_OPTION_virtfs: {
3442 QemuOpts *fsdev;
3443 QemuOpts *device;
3444 const char *writeout, *sock_fd, *socket;
3445
3446 olist = qemu_find_opts("virtfs");
3447 if (!olist) {
3448 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3449 exit(1);
3450 }
3451 opts = qemu_opts_parse_noisily(olist, optarg, true);
3452 if (!opts) {
3453 exit(1);
3454 }
3455
3456 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3457 qemu_opt_get(opts, "mount_tag") == NULL) {
3458 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3459 exit(1);
3460 }
3461 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3462 qemu_opt_get(opts, "mount_tag"),
3463 1, NULL);
3464 if (!fsdev) {
3465 fprintf(stderr, "duplicate fsdev id: %s\n",
3466 qemu_opt_get(opts, "mount_tag"));
3467 exit(1);
3468 }
3469
3470 writeout = qemu_opt_get(opts, "writeout");
3471 if (writeout) {
3472 #ifdef CONFIG_SYNC_FILE_RANGE
3473 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3474 #else
3475 fprintf(stderr, "writeout=immediate not supported on "
3476 "this platform\n");
3477 exit(1);
3478 #endif
3479 }
3480 qemu_opt_set(fsdev, "fsdriver",
3481 qemu_opt_get(opts, "fsdriver"), &error_abort);
3482 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3483 &error_abort);
3484 qemu_opt_set(fsdev, "security_model",
3485 qemu_opt_get(opts, "security_model"),
3486 &error_abort);
3487 socket = qemu_opt_get(opts, "socket");
3488 if (socket) {
3489 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3490 }
3491 sock_fd = qemu_opt_get(opts, "sock_fd");
3492 if (sock_fd) {
3493 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3494 }
3495
3496 qemu_opt_set_bool(fsdev, "readonly",
3497 qemu_opt_get_bool(opts, "readonly", 0),
3498 &error_abort);
3499 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3500 &error_abort);
3501 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3502 qemu_opt_set(device, "fsdev",
3503 qemu_opt_get(opts, "mount_tag"), &error_abort);
3504 qemu_opt_set(device, "mount_tag",
3505 qemu_opt_get(opts, "mount_tag"), &error_abort);
3506 break;
3507 }
3508 case QEMU_OPTION_virtfs_synth: {
3509 QemuOpts *fsdev;
3510 QemuOpts *device;
3511
3512 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3513 1, NULL);
3514 if (!fsdev) {
3515 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3516 exit(1);
3517 }
3518 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3519
3520 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3521 &error_abort);
3522 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3523 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3524 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3525 break;
3526 }
3527 case QEMU_OPTION_serial:
3528 add_device_config(DEV_SERIAL, optarg);
3529 default_serial = 0;
3530 if (strncmp(optarg, "mon:", 4) == 0) {
3531 default_monitor = 0;
3532 }
3533 break;
3534 case QEMU_OPTION_watchdog:
3535 if (watchdog) {
3536 fprintf(stderr,
3537 "qemu: only one watchdog option may be given\n");
3538 return 1;
3539 }
3540 watchdog = optarg;
3541 break;
3542 case QEMU_OPTION_watchdog_action:
3543 if (select_watchdog_action(optarg) == -1) {
3544 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3545 exit(1);
3546 }
3547 break;
3548 case QEMU_OPTION_virtiocon:
3549 add_device_config(DEV_VIRTCON, optarg);
3550 default_virtcon = 0;
3551 if (strncmp(optarg, "mon:", 4) == 0) {
3552 default_monitor = 0;
3553 }
3554 break;
3555 case QEMU_OPTION_parallel:
3556 add_device_config(DEV_PARALLEL, optarg);
3557 default_parallel = 0;
3558 if (strncmp(optarg, "mon:", 4) == 0) {
3559 default_monitor = 0;
3560 }
3561 break;
3562 case QEMU_OPTION_debugcon:
3563 add_device_config(DEV_DEBUGCON, optarg);
3564 break;
3565 case QEMU_OPTION_loadvm:
3566 loadvm = optarg;
3567 break;
3568 case QEMU_OPTION_full_screen:
3569 full_screen = 1;
3570 break;
3571 case QEMU_OPTION_no_frame:
3572 no_frame = 1;
3573 break;
3574 case QEMU_OPTION_alt_grab:
3575 alt_grab = 1;
3576 break;
3577 case QEMU_OPTION_ctrl_grab:
3578 ctrl_grab = 1;
3579 break;
3580 case QEMU_OPTION_no_quit:
3581 no_quit = 1;
3582 break;
3583 case QEMU_OPTION_sdl:
3584 #ifdef CONFIG_SDL
3585 display_type = DT_SDL;
3586 break;
3587 #else
3588 fprintf(stderr, "SDL support is disabled\n");
3589 exit(1);
3590 #endif
3591 case QEMU_OPTION_pidfile:
3592 pid_file = optarg;
3593 break;
3594 case QEMU_OPTION_win2k_hack:
3595 win2k_install_hack = 1;
3596 break;
3597 case QEMU_OPTION_rtc_td_hack: {
3598 static GlobalProperty slew_lost_ticks[] = {
3599 {
3600 .driver = "mc146818rtc",
3601 .property = "lost_tick_policy",
3602 .value = "slew",
3603 },
3604 { /* end of list */ }
3605 };
3606
3607 qdev_prop_register_global_list(slew_lost_ticks);
3608 break;
3609 }
3610 case QEMU_OPTION_acpitable:
3611 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3612 optarg, true);
3613 if (!opts) {
3614 exit(1);
3615 }
3616 do_acpitable_option(opts);
3617 break;
3618 case QEMU_OPTION_smbios:
3619 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3620 optarg, false);
3621 if (!opts) {
3622 exit(1);
3623 }
3624 do_smbios_option(opts);
3625 break;
3626 case QEMU_OPTION_fwcfg:
3627 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3628 optarg, true);
3629 if (opts == NULL) {
3630 exit(1);
3631 }
3632 break;
3633 case QEMU_OPTION_enable_kvm:
3634 olist = qemu_find_opts("machine");
3635 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3636 break;
3637 case QEMU_OPTION_M:
3638 case QEMU_OPTION_machine:
3639 olist = qemu_find_opts("machine");
3640 opts = qemu_opts_parse_noisily(olist, optarg, true);
3641 if (!opts) {
3642 exit(1);
3643 }
3644 break;
3645 case QEMU_OPTION_no_kvm:
3646 olist = qemu_find_opts("machine");
3647 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3648 break;
3649 case QEMU_OPTION_no_kvm_pit: {
3650 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3651 "separately.\n");
3652 break;
3653 }
3654 case QEMU_OPTION_no_kvm_pit_reinjection: {
3655 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3656 {
3657 .driver = "kvm-pit",
3658 .property = "lost_tick_policy",
3659 .value = "discard",
3660 },
3661 { /* end of list */ }
3662 };
3663
3664 fprintf(stderr, "Warning: option deprecated, use "
3665 "lost_tick_policy property of kvm-pit instead.\n");
3666 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3667 break;
3668 }
3669 case QEMU_OPTION_usb:
3670 olist = qemu_find_opts("machine");
3671 qemu_opts_parse_noisily(olist, "usb=on", false);
3672 break;
3673 case QEMU_OPTION_usbdevice:
3674 olist = qemu_find_opts("machine");
3675 qemu_opts_parse_noisily(olist, "usb=on", false);
3676 add_device_config(DEV_USB, optarg);
3677 break;
3678 case QEMU_OPTION_device:
3679 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3680 optarg, true)) {
3681 exit(1);
3682 }
3683 break;
3684 case QEMU_OPTION_smp:
3685 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3686 optarg, true)) {
3687 exit(1);
3688 }
3689 break;
3690 case QEMU_OPTION_vnc:
3691 {
3692 #ifdef CONFIG_VNC
3693 Error *local_err = NULL;
3694
3695 if (vnc_parse(optarg, &local_err) == NULL) {
3696 error_report_err(local_err);
3697 exit(1);
3698 }
3699 #else
3700 fprintf(stderr, "VNC support is disabled\n");
3701 exit(1);
3702 #endif
3703 break;
3704 }
3705 case QEMU_OPTION_no_acpi:
3706 acpi_enabled = 0;
3707 break;
3708 case QEMU_OPTION_no_hpet:
3709 no_hpet = 1;
3710 break;
3711 case QEMU_OPTION_balloon:
3712 if (balloon_parse(optarg) < 0) {
3713 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3714 exit(1);
3715 }
3716 break;
3717 case QEMU_OPTION_no_reboot:
3718 no_reboot = 1;
3719 break;
3720 case QEMU_OPTION_no_shutdown:
3721 no_shutdown = 1;
3722 break;
3723 case QEMU_OPTION_show_cursor:
3724 cursor_hide = 0;
3725 break;
3726 case QEMU_OPTION_uuid:
3727 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3728 fprintf(stderr, "Fail to parse UUID string."
3729 " Wrong format.\n");
3730 exit(1);
3731 }
3732 qemu_uuid_set = true;
3733 break;
3734 case QEMU_OPTION_option_rom:
3735 if (nb_option_roms >= MAX_OPTION_ROMS) {
3736 fprintf(stderr, "Too many option ROMs\n");
3737 exit(1);
3738 }
3739 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3740 optarg, true);
3741 if (!opts) {
3742 exit(1);
3743 }
3744 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3745 option_rom[nb_option_roms].bootindex =
3746 qemu_opt_get_number(opts, "bootindex", -1);
3747 if (!option_rom[nb_option_roms].name) {
3748 fprintf(stderr, "Option ROM file is not specified\n");
3749 exit(1);
3750 }
3751 nb_option_roms++;
3752 break;
3753 case QEMU_OPTION_semihosting:
3754 semihosting.enabled = true;
3755 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3756 break;
3757 case QEMU_OPTION_semihosting_config:
3758 semihosting.enabled = true;
3759 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3760 optarg, false);
3761 if (opts != NULL) {
3762 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3763 true);
3764 const char *target = qemu_opt_get(opts, "target");
3765 if (target != NULL) {
3766 if (strcmp("native", target) == 0) {
3767 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3768 } else if (strcmp("gdb", target) == 0) {
3769 semihosting.target = SEMIHOSTING_TARGET_GDB;
3770 } else if (strcmp("auto", target) == 0) {
3771 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3772 } else {
3773 fprintf(stderr, "Unsupported semihosting-config"
3774 " %s\n",
3775 optarg);
3776 exit(1);
3777 }
3778 } else {
3779 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3780 }
3781 /* Set semihosting argument count and vector */
3782 qemu_opt_foreach(opts, add_semihosting_arg,
3783 &semihosting, NULL);
3784 } else {
3785 fprintf(stderr, "Unsupported semihosting-config %s\n",
3786 optarg);
3787 exit(1);
3788 }
3789 break;
3790 case QEMU_OPTION_tdf:
3791 fprintf(stderr, "Warning: user space PIT time drift fix "
3792 "is no longer supported.\n");
3793 break;
3794 case QEMU_OPTION_name:
3795 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3796 optarg, true);
3797 if (!opts) {
3798 exit(1);
3799 }
3800 break;
3801 case QEMU_OPTION_prom_env:
3802 if (nb_prom_envs >= MAX_PROM_ENVS) {
3803 fprintf(stderr, "Too many prom variables\n");
3804 exit(1);
3805 }
3806 prom_envs[nb_prom_envs] = optarg;
3807 nb_prom_envs++;
3808 break;
3809 case QEMU_OPTION_old_param:
3810 old_param = 1;
3811 break;
3812 case QEMU_OPTION_clock:
3813 /* Clock options no longer exist. Keep this option for
3814 * backward compatibility.
3815 */
3816 break;
3817 case QEMU_OPTION_startdate:
3818 configure_rtc_date_offset(optarg, 1);
3819 break;
3820 case QEMU_OPTION_rtc:
3821 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3822 false);
3823 if (!opts) {
3824 exit(1);
3825 }
3826 configure_rtc(opts);
3827 break;
3828 case QEMU_OPTION_tb_size:
3829 tcg_tb_size = strtol(optarg, NULL, 0);
3830 if (tcg_tb_size < 0) {
3831 tcg_tb_size = 0;
3832 }
3833 break;
3834 case QEMU_OPTION_icount:
3835 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3836 optarg, true);
3837 if (!icount_opts) {
3838 exit(1);
3839 }
3840 break;
3841 case QEMU_OPTION_incoming:
3842 if (!incoming) {
3843 runstate_set(RUN_STATE_INMIGRATE);
3844 }
3845 incoming = optarg;
3846 break;
3847 case QEMU_OPTION_nodefaults:
3848 has_defaults = 0;
3849 break;
3850 case QEMU_OPTION_xen_domid:
3851 if (!(xen_available())) {
3852 printf("Option %s not supported for this target\n", popt->name);
3853 exit(1);
3854 }
3855 xen_domid = atoi(optarg);
3856 break;
3857 case QEMU_OPTION_xen_create:
3858 if (!(xen_available())) {
3859 printf("Option %s not supported for this target\n", popt->name);
3860 exit(1);
3861 }
3862 xen_mode = XEN_CREATE;
3863 break;
3864 case QEMU_OPTION_xen_attach:
3865 if (!(xen_available())) {
3866 printf("Option %s not supported for this target\n", popt->name);
3867 exit(1);
3868 }
3869 xen_mode = XEN_ATTACH;
3870 break;
3871 case QEMU_OPTION_trace:
3872 {
3873 opts = qemu_opts_parse_noisily(qemu_find_opts("trace"),
3874 optarg, false);
3875 if (!opts) {
3876 exit(1);
3877 }
3878 trace_events = qemu_opt_get(opts, "events");
3879 trace_file = qemu_opt_get(opts, "file");
3880 break;
3881 }
3882 case QEMU_OPTION_readconfig:
3883 {
3884 int ret = qemu_read_config_file(optarg);
3885 if (ret < 0) {
3886 fprintf(stderr, "read config %s: %s\n", optarg,
3887 strerror(-ret));
3888 exit(1);
3889 }
3890 break;
3891 }
3892 case QEMU_OPTION_spice:
3893 olist = qemu_find_opts("spice");
3894 if (!olist) {
3895 fprintf(stderr, "spice is not supported by this qemu build.\n");
3896 exit(1);
3897 }
3898 opts = qemu_opts_parse_noisily(olist, optarg, false);
3899 if (!opts) {
3900 exit(1);
3901 }
3902 display_remote++;
3903 break;
3904 case QEMU_OPTION_writeconfig:
3905 {
3906 FILE *fp;
3907 if (strcmp(optarg, "-") == 0) {
3908 fp = stdout;
3909 } else {
3910 fp = fopen(optarg, "w");
3911 if (fp == NULL) {
3912 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3913 exit(1);
3914 }
3915 }
3916 qemu_config_write(fp);
3917 if (fp != stdout) {
3918 fclose(fp);
3919 }
3920 break;
3921 }
3922 case QEMU_OPTION_qtest:
3923 qtest_chrdev = optarg;
3924 break;
3925 case QEMU_OPTION_qtest_log:
3926 qtest_log = optarg;
3927 break;
3928 case QEMU_OPTION_sandbox:
3929 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3930 optarg, true);
3931 if (!opts) {
3932 exit(1);
3933 }
3934 break;
3935 case QEMU_OPTION_add_fd:
3936 #ifndef _WIN32
3937 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3938 optarg, false);
3939 if (!opts) {
3940 exit(1);
3941 }
3942 #else
3943 error_report("File descriptor passing is disabled on this "
3944 "platform");
3945 exit(1);
3946 #endif
3947 break;
3948 case QEMU_OPTION_object:
3949 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3950 optarg, true);
3951 if (!opts) {
3952 exit(1);
3953 }
3954 break;
3955 case QEMU_OPTION_realtime:
3956 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3957 optarg, false);
3958 if (!opts) {
3959 exit(1);
3960 }
3961 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3962 break;
3963 case QEMU_OPTION_msg:
3964 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3965 false);
3966 if (!opts) {
3967 exit(1);
3968 }
3969 configure_msg(opts);
3970 break;
3971 case QEMU_OPTION_dump_vmstate:
3972 if (vmstate_dump_file) {
3973 fprintf(stderr, "qemu: only one '-dump-vmstate' "
3974 "option may be given\n");
3975 exit(1);
3976 }
3977 vmstate_dump_file = fopen(optarg, "w");
3978 if (vmstate_dump_file == NULL) {
3979 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3980 exit(1);
3981 }
3982 break;
3983 default:
3984 os_parse_cmd_args(popt->index, optarg);
3985 }
3986 }
3987 }
3988
3989 opts = qemu_get_machine_opts();
3990 optarg = qemu_opt_get(opts, "type");
3991 if (optarg) {
3992 machine_class = machine_parse(optarg);
3993 }
3994
3995 if (machine_class == NULL) {
3996 fprintf(stderr, "No machine specified, and there is no default.\n"
3997 "Use -machine help to list supported machines!\n");
3998 exit(1);
3999 }
4000
4001 set_memory_options(&ram_slots, &maxram_size, machine_class);
4002
4003 loc_set_none();
4004
4005 os_daemonize();
4006
4007 if (qemu_init_main_loop(&main_loop_err)) {
4008 error_report_err(main_loop_err);
4009 exit(1);
4010 }
4011
4012 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4013 parse_sandbox, NULL, NULL)) {
4014 exit(1);
4015 }
4016
4017 if (qemu_opts_foreach(qemu_find_opts("name"),
4018 parse_name, NULL, NULL)) {
4019 exit(1);
4020 }
4021
4022 #ifndef _WIN32
4023 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4024 parse_add_fd, NULL, NULL)) {
4025 exit(1);
4026 }
4027
4028 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4029 cleanup_add_fd, NULL, NULL)) {
4030 exit(1);
4031 }
4032 #endif
4033
4034 current_machine = MACHINE(object_new(object_class_get_name(
4035 OBJECT_CLASS(machine_class))));
4036 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4037 exit(0);
4038 }
4039 object_property_add_child(object_get_root(), "machine",
4040 OBJECT(current_machine), &error_abort);
4041 cpu_exec_init_all();
4042
4043 if (machine_class->hw_version) {
4044 qemu_set_version(machine_class->hw_version);
4045 }
4046
4047 /* Init CPU def lists, based on config
4048 * - Must be called after all the qemu_read_config_file() calls
4049 * - Must be called before list_cpus()
4050 * - Must be called before machine->init()
4051 */
4052 cpudef_init();
4053
4054 if (cpu_model && is_help_option(cpu_model)) {
4055 list_cpus(stdout, &fprintf, cpu_model);
4056 exit(0);
4057 }
4058
4059 /* Open the logfile at this point and set the log mask if necessary.
4060 */
4061 if (log_file) {
4062 qemu_set_log_filename(log_file);
4063 }
4064
4065 if (log_mask) {
4066 int mask;
4067 mask = qemu_str_to_log_mask(log_mask);
4068 if (!mask) {
4069 qemu_print_log_usage(stdout);
4070 exit(1);
4071 }
4072 qemu_set_log(mask);
4073 }
4074
4075 if (!is_daemonized()) {
4076 if (!trace_init_backends(trace_events, trace_file)) {
4077 exit(1);
4078 }
4079 }
4080
4081 /* If no data_dir is specified then try to find it relative to the
4082 executable path. */
4083 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4084 data_dir[data_dir_idx] = os_find_datadir();
4085 if (data_dir[data_dir_idx] != NULL) {
4086 data_dir_idx++;
4087 }
4088 }
4089 /* If all else fails use the install path specified when building. */
4090 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4091 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4092 }
4093
4094 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4095
4096 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4097 if (max_cpus > machine_class->max_cpus) {
4098 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
4099 "supported by machine `%s' (%d)\n", max_cpus,
4100 machine_class->name, machine_class->max_cpus);
4101 exit(1);
4102 }
4103
4104 /*
4105 * Get the default machine options from the machine if it is not already
4106 * specified either by the configuration file or by the command line.
4107 */
4108 if (machine_class->default_machine_opts) {
4109 qemu_opts_set_defaults(qemu_find_opts("machine"),
4110 machine_class->default_machine_opts, 0);
4111 }
4112
4113 qemu_opts_foreach(qemu_find_opts("device"),
4114 default_driver_check, NULL, NULL);
4115 qemu_opts_foreach(qemu_find_opts("global"),
4116 default_driver_check, NULL, NULL);
4117
4118 if (!vga_model && !default_vga) {
4119 vga_interface_type = VGA_DEVICE;
4120 }
4121 if (!has_defaults || machine_class->no_serial) {
4122 default_serial = 0;
4123 }
4124 if (!has_defaults || machine_class->no_parallel) {
4125 default_parallel = 0;
4126 }
4127 if (!has_defaults || !machine_class->use_virtcon) {
4128 default_virtcon = 0;
4129 }
4130 if (!has_defaults || !machine_class->use_sclp) {
4131 default_sclp = 0;
4132 }
4133 if (!has_defaults || machine_class->no_floppy) {
4134 default_floppy = 0;
4135 }
4136 if (!has_defaults || machine_class->no_cdrom) {
4137 default_cdrom = 0;
4138 }
4139 if (!has_defaults || machine_class->no_sdcard) {
4140 default_sdcard = 0;
4141 }
4142 if (!has_defaults) {
4143 default_monitor = 0;
4144 default_net = 0;
4145 default_vga = 0;
4146 }
4147
4148 if (is_daemonized()) {
4149 /* According to documentation and historically, -nographic redirects
4150 * serial port, parallel port and monitor to stdio, which does not work
4151 * with -daemonize. We can redirect these to null instead, but since
4152 * -nographic is legacy, let's just error out.
4153 * We disallow -nographic only if all other ports are not redirected
4154 * explicitly, to not break existing legacy setups which uses
4155 * -nographic _and_ redirects all ports explicitly - this is valid
4156 * usage, -nographic is just a no-op in this case.
4157 */
4158 if (display_type == DT_NOGRAPHIC
4159 && (default_parallel || default_serial
4160 || default_monitor || default_virtcon)) {
4161 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4162 exit(1);
4163 }
4164 #ifdef CONFIG_CURSES
4165 if (display_type == DT_CURSES) {
4166 fprintf(stderr, "curses display can not be used with -daemonize\n");
4167 exit(1);
4168 }
4169 #endif
4170 }
4171
4172 if (display_type == DT_NOGRAPHIC) {
4173 if (default_parallel)
4174 add_device_config(DEV_PARALLEL, "null");
4175 if (default_serial && default_monitor) {
4176 add_device_config(DEV_SERIAL, "mon:stdio");
4177 } else if (default_virtcon && default_monitor) {
4178 add_device_config(DEV_VIRTCON, "mon:stdio");
4179 } else if (default_sclp && default_monitor) {
4180 add_device_config(DEV_SCLP, "mon:stdio");
4181 } else {
4182 if (default_serial)
4183 add_device_config(DEV_SERIAL, "stdio");
4184 if (default_virtcon)
4185 add_device_config(DEV_VIRTCON, "stdio");
4186 if (default_sclp) {
4187 add_device_config(DEV_SCLP, "stdio");
4188 }
4189 if (default_monitor)
4190 monitor_parse("stdio", "readline", false);
4191 }
4192 } else {
4193 if (default_serial)
4194 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4195 if (default_parallel)
4196 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4197 if (default_monitor)
4198 monitor_parse("vc:80Cx24C", "readline", false);
4199 if (default_virtcon)
4200 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4201 if (default_sclp) {
4202 add_device_config(DEV_SCLP, "vc:80Cx24C");
4203 }
4204 }
4205
4206 #if defined(CONFIG_VNC)
4207 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4208 display_remote++;
4209 }
4210 #endif
4211 if (display_type == DT_DEFAULT && !display_remote) {
4212 #if defined(CONFIG_GTK)
4213 display_type = DT_GTK;
4214 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4215 display_type = DT_SDL;
4216 #elif defined(CONFIG_VNC)
4217 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4218 show_vnc_port = 1;
4219 #else
4220 display_type = DT_NONE;
4221 #endif
4222 }
4223
4224 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4225 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4226 "for SDL, ignoring option\n");
4227 }
4228 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4229 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4230 "ignoring option\n");
4231 }
4232
4233 #if defined(CONFIG_GTK)
4234 if (display_type == DT_GTK) {
4235 early_gtk_display_init(request_opengl);
4236 }
4237 #endif
4238 #if defined(CONFIG_SDL)
4239 if (display_type == DT_SDL) {
4240 sdl_display_early_init(request_opengl);
4241 }
4242 #endif
4243 if (request_opengl == 1 && display_opengl == 0) {
4244 #if defined(CONFIG_OPENGL)
4245 fprintf(stderr, "OpenGL is not supported by the display.\n");
4246 #else
4247 fprintf(stderr, "QEMU was built without opengl support.\n");
4248 #endif
4249 exit(1);
4250 }
4251
4252 socket_init();
4253
4254 if (qemu_opts_foreach(qemu_find_opts("object"),
4255 object_create,
4256 object_create_initial, NULL)) {
4257 exit(1);
4258 }
4259
4260 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4261 chardev_init_func, NULL, NULL)) {
4262 exit(1);
4263 }
4264
4265 #ifdef CONFIG_VIRTFS
4266 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4267 fsdev_init_func, NULL, NULL)) {
4268 exit(1);
4269 }
4270 #endif
4271
4272 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4273 fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
4274 exit(1);
4275 }
4276
4277 if (qemu_opts_foreach(qemu_find_opts("device"),
4278 device_help_func, NULL, NULL)) {
4279 exit(0);
4280 }
4281
4282 if (qemu_opts_foreach(qemu_find_opts("object"),
4283 object_create,
4284 object_create_delayed, NULL)) {
4285 exit(1);
4286 }
4287
4288 machine_opts = qemu_get_machine_opts();
4289 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4290 NULL)) {
4291 object_unref(OBJECT(current_machine));
4292 exit(1);
4293 }
4294
4295 configure_accelerator(current_machine);
4296
4297 if (qtest_chrdev) {
4298 Error *local_err = NULL;
4299 qtest_init(qtest_chrdev, qtest_log, &local_err);
4300 if (local_err) {
4301 error_report_err(local_err);
4302 exit(1);
4303 }
4304 }
4305
4306 machine_opts = qemu_get_machine_opts();
4307 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4308 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4309 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4310 bios_name = qemu_opt_get(machine_opts, "firmware");
4311
4312 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4313 if (opts) {
4314 Error *local_err = NULL;
4315
4316 boot_order = qemu_opt_get(opts, "order");
4317 if (boot_order) {
4318 validate_bootdevices(boot_order, &local_err);
4319 if (local_err) {
4320 error_report_err(local_err);
4321 exit(1);
4322 }
4323 }
4324
4325 boot_once = qemu_opt_get(opts, "once");
4326 if (boot_once) {
4327 validate_bootdevices(boot_once, &local_err);
4328 if (local_err) {
4329 error_report_err(local_err);
4330 exit(1);
4331 }
4332 }
4333
4334 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4335 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4336 }
4337
4338 if (!boot_order) {
4339 boot_order = machine_class->default_boot_order;
4340 }
4341
4342 if (!kernel_cmdline) {
4343 kernel_cmdline = "";
4344 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4345 }
4346
4347 linux_boot = (kernel_filename != NULL);
4348
4349 if (!linux_boot && *kernel_cmdline != '\0') {
4350 fprintf(stderr, "-append only allowed with -kernel option\n");
4351 exit(1);
4352 }
4353
4354 if (!linux_boot && initrd_filename != NULL) {
4355 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4356 exit(1);
4357 }
4358
4359 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4360 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4361 exit(1);
4362 }
4363
4364 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4365 /* fall back to the -kernel/-append */
4366 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4367 }
4368
4369 os_set_line_buffering();
4370
4371 #ifdef CONFIG_SPICE
4372 /* spice needs the timers to be initialized by this point */
4373 qemu_spice_init();
4374 #endif
4375
4376 cpu_ticks_init();
4377 if (icount_opts) {
4378 if (kvm_enabled() || xen_enabled()) {
4379 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4380 exit(1);
4381 }
4382 configure_icount(icount_opts, &error_abort);
4383 qemu_opts_del(icount_opts);
4384 }
4385
4386 /* clean up network at qemu process termination */
4387 atexit(&net_cleanup);
4388
4389 if (net_init_clients() < 0) {
4390 exit(1);
4391 }
4392
4393 #ifdef CONFIG_TPM
4394 if (tpm_init() < 0) {
4395 exit(1);
4396 }
4397 #endif
4398
4399 /* init the bluetooth world */
4400 if (foreach_device_config(DEV_BT, bt_parse))
4401 exit(1);
4402
4403 if (!xen_enabled()) {
4404 /* On 32-bit hosts, QEMU is limited by virtual address space */
4405 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4406 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4407 exit(1);
4408 }
4409 }
4410
4411 blk_mig_init();
4412 ram_mig_init();
4413
4414 /* If the currently selected machine wishes to override the units-per-bus
4415 * property of its default HBA interface type, do so now. */
4416 if (machine_class->units_per_default_bus) {
4417 override_max_devs(machine_class->block_default_type,
4418 machine_class->units_per_default_bus);
4419 }
4420
4421 /* open the virtual block devices */
4422 if (snapshot)
4423 qemu_opts_foreach(qemu_find_opts("drive"),
4424 drive_enable_snapshot, NULL, NULL);
4425 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4426 &machine_class->block_default_type, NULL)) {
4427 exit(1);
4428 }
4429
4430 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4431 CDROM_OPTS);
4432 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4433 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4434
4435 parse_numa_opts(machine_class);
4436
4437 if (qemu_opts_foreach(qemu_find_opts("mon"),
4438 mon_init_func, NULL, NULL)) {
4439 exit(1);
4440 }
4441
4442 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4443 exit(1);
4444 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4445 exit(1);
4446 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4447 exit(1);
4448 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4449 exit(1);
4450 }
4451 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4452 exit(1);
4453
4454 /* If no default VGA is requested, the default is "none". */
4455 if (default_vga) {
4456 if (machine_class->default_display) {
4457 vga_model = machine_class->default_display;
4458 } else if (cirrus_vga_available()) {
4459 vga_model = "cirrus";
4460 } else if (vga_available()) {
4461 vga_model = "std";
4462 }
4463 }
4464 if (vga_model) {
4465 select_vgahw(vga_model);
4466 }
4467
4468 if (watchdog) {
4469 i = select_watchdog(watchdog);
4470 if (i > 0)
4471 exit (i == 1 ? 1 : 0);
4472 }
4473
4474 if (machine_class->compat_props) {
4475 qdev_prop_register_global_list(machine_class->compat_props);
4476 }
4477 qemu_add_globals();
4478
4479 qdev_machine_init();
4480
4481 current_machine->ram_size = ram_size;
4482 current_machine->maxram_size = maxram_size;
4483 current_machine->ram_slots = ram_slots;
4484 current_machine->boot_order = boot_order;
4485 current_machine->cpu_model = cpu_model;
4486
4487 machine_class->init(current_machine);
4488
4489 realtime_init();
4490
4491 audio_init();
4492
4493 cpu_synchronize_all_post_init();
4494
4495 numa_post_machine_init();
4496
4497 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4498 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4499 exit(1);
4500 }
4501
4502 /* init USB devices */
4503 if (usb_enabled()) {
4504 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4505 exit(1);
4506 }
4507
4508 /* Check if IGD GFX passthrough. */
4509 igd_gfx_passthru();
4510
4511 /* init generic devices */
4512 if (qemu_opts_foreach(qemu_find_opts("device"),
4513 device_init_func, NULL, NULL)) {
4514 exit(1);
4515 }
4516
4517 /* Did we create any drives that we failed to create a device for? */
4518 drive_check_orphaned();
4519
4520 net_check_clients();
4521
4522 if (boot_once) {
4523 Error *local_err = NULL;
4524 qemu_boot_set(boot_once, &local_err);
4525 if (local_err) {
4526 error_report("%s", error_get_pretty(local_err));
4527 exit(1);
4528 }
4529 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4530 }
4531
4532 ds = init_displaystate();
4533
4534 /* init local displays */
4535 switch (display_type) {
4536 case DT_NOGRAPHIC:
4537 (void)ds; /* avoid warning if no display is configured */
4538 break;
4539 #if defined(CONFIG_CURSES)
4540 case DT_CURSES:
4541 curses_display_init(ds, full_screen);
4542 break;
4543 #endif
4544 #if defined(CONFIG_SDL)
4545 case DT_SDL:
4546 sdl_display_init(ds, full_screen, no_frame);
4547 break;
4548 #elif defined(CONFIG_COCOA)
4549 case DT_SDL:
4550 cocoa_display_init(ds, full_screen);
4551 break;
4552 #endif
4553 #if defined(CONFIG_GTK)
4554 case DT_GTK:
4555 gtk_display_init(ds, full_screen, grab_on_hover);
4556 break;
4557 #endif
4558 default:
4559 break;
4560 }
4561
4562 /* must be after terminal init, SDL library changes signal handlers */
4563 os_setup_signal_handling();
4564
4565 #ifdef CONFIG_VNC
4566 /* init remote displays */
4567 qemu_opts_foreach(qemu_find_opts("vnc"),
4568 vnc_init_func, NULL, NULL);
4569 if (show_vnc_port) {
4570 char *ret = vnc_display_local_addr("default");
4571 printf("VNC server running on `%s'\n", ret);
4572 g_free(ret);
4573 }
4574 #endif
4575 #ifdef CONFIG_SPICE
4576 if (using_spice) {
4577 qemu_spice_display_init();
4578 }
4579 #endif
4580
4581 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4582 exit(1);
4583 }
4584
4585 qdev_machine_creation_done();
4586
4587 /* TODO: once all bus devices are qdevified, this should be done
4588 * when bus is created by qdev.c */
4589 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4590 qemu_run_machine_init_done_notifiers();
4591
4592 if (rom_check_and_register_reset() != 0) {
4593 fprintf(stderr, "rom check and register reset failed\n");
4594 exit(1);
4595 }
4596
4597 qemu_system_reset(VMRESET_SILENT);
4598 register_global_state();
4599 if (loadvm) {
4600 if (load_vmstate(loadvm) < 0) {
4601 autostart = 0;
4602 }
4603 }
4604
4605 qdev_prop_check_globals();
4606 if (vmstate_dump_file) {
4607 /* dump and exit */
4608 dump_vmstate_json_to_file(vmstate_dump_file);
4609 return 0;
4610 }
4611
4612 if (incoming) {
4613 Error *local_err = NULL;
4614 qemu_start_incoming_migration(incoming, &local_err);
4615 if (local_err) {
4616 error_report("-incoming %s: %s", incoming,
4617 error_get_pretty(local_err));
4618 error_free(local_err);
4619 exit(1);
4620 }
4621 } else if (autostart) {
4622 vm_start();
4623 }
4624
4625 os_setup_post();
4626
4627 if (is_daemonized()) {
4628 if (!trace_init_backends(trace_events, trace_file)) {
4629 exit(1);
4630 }
4631 }
4632
4633 main_loop();
4634 bdrv_close_all();
4635 pause_all_vcpus();
4636 res_free();
4637 #ifdef CONFIG_TPM
4638 tpm_cleanup();
4639 #endif
4640
4641 return 0;
4642 }
CRIS target port of Qemu