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xen/pt: Log xen_host_pci_get in two init functions
[qemu/ar7.git] / vl.c
blob76e0bb2a899eb565382fe14251ffab70a0e630e2
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 if (boot_splash_filedata != NULL) {
538 g_free(boot_splash_filedata);
539 boot_splash_filedata = NULL;
540 }
541 }
542
543 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
544 {
545 const char *driver = qemu_opt_get(opts, "driver");
546 int i;
547
548 if (!driver)
549 return 0;
550 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
551 if (strcmp(default_list[i].driver, driver) != 0)
552 continue;
553 *(default_list[i].flag) = 0;
554 }
555 return 0;
556 }
557
558 /***********************************************************/
559 /* QEMU state */
560
561 static RunState current_run_state = RUN_STATE_PRELAUNCH;
562
563 /* We use RUN_STATE_MAX but any invalid value will do */
564 static RunState vmstop_requested = RUN_STATE_MAX;
565 static QemuMutex vmstop_lock;
566
567 typedef struct {
568 RunState from;
569 RunState to;
570 } RunStateTransition;
571
572 static const RunStateTransition runstate_transitions_def[] = {
573 /* from -> to */
574 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
575 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
576
577 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
578 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
579 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
580 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
581 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
582 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
583 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
584 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
585
586 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
587 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
588
589 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
590 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
591
592 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
593 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
594
595 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
596 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
597
598 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
599 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
600 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
601
602 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
603 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
604
605 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
606
607 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
608 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
609 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
610 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
611 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
612 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
613 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
614 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
615 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
616 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
617
618 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
619
620 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
621 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
622
623 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
624 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
625 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
626 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
627
628 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
629 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
630
631 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
632 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
633
634 { RUN_STATE_MAX, RUN_STATE_MAX },
635 };
636
637 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
638
639 bool runstate_check(RunState state)
640 {
641 return current_run_state == state;
642 }
643
644 bool runstate_store(char *str, size_t size)
645 {
646 const char *state = RunState_lookup[current_run_state];
647 size_t len = strlen(state) + 1;
648
649 if (len > size) {
650 return false;
651 }
652 memcpy(str, state, len);
653 return true;
654 }
655
656 static void runstate_init(void)
657 {
658 const RunStateTransition *p;
659
660 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
661 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
662 runstate_valid_transitions[p->from][p->to] = true;
663 }
664
665 qemu_mutex_init(&vmstop_lock);
666 }
667
668 /* This function will abort() on invalid state transitions */
669 void runstate_set(RunState new_state)
670 {
671 assert(new_state < RUN_STATE_MAX);
672
673 if (!runstate_valid_transitions[current_run_state][new_state]) {
674 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
675 RunState_lookup[current_run_state],
676 RunState_lookup[new_state]);
677 abort();
678 }
679 trace_runstate_set(new_state);
680 current_run_state = new_state;
681 }
682
683 int runstate_is_running(void)
684 {
685 return runstate_check(RUN_STATE_RUNNING);
686 }
687
688 bool runstate_needs_reset(void)
689 {
690 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
691 runstate_check(RUN_STATE_SHUTDOWN);
692 }
693
694 StatusInfo *qmp_query_status(Error **errp)
695 {
696 StatusInfo *info = g_malloc0(sizeof(*info));
697
698 info->running = runstate_is_running();
699 info->singlestep = singlestep;
700 info->status = current_run_state;
701
702 return info;
703 }
704
705 static bool qemu_vmstop_requested(RunState *r)
706 {
707 qemu_mutex_lock(&vmstop_lock);
708 *r = vmstop_requested;
709 vmstop_requested = RUN_STATE_MAX;
710 qemu_mutex_unlock(&vmstop_lock);
711 return *r < RUN_STATE_MAX;
712 }
713
714 void qemu_system_vmstop_request_prepare(void)
715 {
716 qemu_mutex_lock(&vmstop_lock);
717 }
718
719 void qemu_system_vmstop_request(RunState state)
720 {
721 vmstop_requested = state;
722 qemu_mutex_unlock(&vmstop_lock);
723 qemu_notify_event();
724 }
725
726 void vm_start(void)
727 {
728 RunState requested;
729
730 qemu_vmstop_requested(&requested);
731 if (runstate_is_running() && requested == RUN_STATE_MAX) {
732 return;
733 }
734
735 /* Ensure that a STOP/RESUME pair of events is emitted if a
736 * vmstop request was pending. The BLOCK_IO_ERROR event, for
737 * example, according to documentation is always followed by
738 * the STOP event.
739 */
740 if (runstate_is_running()) {
741 qapi_event_send_stop(&error_abort);
742 } else {
743 cpu_enable_ticks();
744 runstate_set(RUN_STATE_RUNNING);
745 vm_state_notify(1, RUN_STATE_RUNNING);
746 resume_all_vcpus();
747 }
748
749 qapi_event_send_resume(&error_abort);
750 }
751
752
753 /***********************************************************/
754 /* real time host monotonic timer */
755
756 static time_t qemu_time(void)
757 {
758 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
759 }
760
761 /***********************************************************/
762 /* host time/date access */
763 void qemu_get_timedate(struct tm *tm, int offset)
764 {
765 time_t ti = qemu_time();
766
767 ti += offset;
768 if (rtc_date_offset == -1) {
769 if (rtc_utc)
770 gmtime_r(&ti, tm);
771 else
772 localtime_r(&ti, tm);
773 } else {
774 ti -= rtc_date_offset;
775 gmtime_r(&ti, tm);
776 }
777 }
778
779 int qemu_timedate_diff(struct tm *tm)
780 {
781 time_t seconds;
782
783 if (rtc_date_offset == -1)
784 if (rtc_utc)
785 seconds = mktimegm(tm);
786 else {
787 struct tm tmp = *tm;
788 tmp.tm_isdst = -1; /* use timezone to figure it out */
789 seconds = mktime(&tmp);
790 }
791 else
792 seconds = mktimegm(tm) + rtc_date_offset;
793
794 return seconds - qemu_time();
795 }
796
797 static void configure_rtc_date_offset(const char *startdate, int legacy)
798 {
799 time_t rtc_start_date;
800 struct tm tm;
801
802 if (!strcmp(startdate, "now") && legacy) {
803 rtc_date_offset = -1;
804 } else {
805 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
806 &tm.tm_year,
807 &tm.tm_mon,
808 &tm.tm_mday,
809 &tm.tm_hour,
810 &tm.tm_min,
811 &tm.tm_sec) == 6) {
812 /* OK */
813 } else if (sscanf(startdate, "%d-%d-%d",
814 &tm.tm_year,
815 &tm.tm_mon,
816 &tm.tm_mday) == 3) {
817 tm.tm_hour = 0;
818 tm.tm_min = 0;
819 tm.tm_sec = 0;
820 } else {
821 goto date_fail;
822 }
823 tm.tm_year -= 1900;
824 tm.tm_mon--;
825 rtc_start_date = mktimegm(&tm);
826 if (rtc_start_date == -1) {
827 date_fail:
828 fprintf(stderr, "Invalid date format. Valid formats are:\n"
829 "'2006-06-17T16:01:21' or '2006-06-17'\n");
830 exit(1);
831 }
832 rtc_date_offset = qemu_time() - rtc_start_date;
833 }
834 }
835
836 static void configure_rtc(QemuOpts *opts)
837 {
838 const char *value;
839
840 value = qemu_opt_get(opts, "base");
841 if (value) {
842 if (!strcmp(value, "utc")) {
843 rtc_utc = 1;
844 } else if (!strcmp(value, "localtime")) {
845 rtc_utc = 0;
846 } else {
847 configure_rtc_date_offset(value, 0);
848 }
849 }
850 value = qemu_opt_get(opts, "clock");
851 if (value) {
852 if (!strcmp(value, "host")) {
853 rtc_clock = QEMU_CLOCK_HOST;
854 } else if (!strcmp(value, "rt")) {
855 rtc_clock = QEMU_CLOCK_REALTIME;
856 } else if (!strcmp(value, "vm")) {
857 rtc_clock = QEMU_CLOCK_VIRTUAL;
858 } else {
859 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
860 exit(1);
861 }
862 }
863 value = qemu_opt_get(opts, "driftfix");
864 if (value) {
865 if (!strcmp(value, "slew")) {
866 static GlobalProperty slew_lost_ticks[] = {
867 {
868 .driver = "mc146818rtc",
869 .property = "lost_tick_policy",
870 .value = "slew",
871 },
872 { /* end of list */ }
873 };
874
875 qdev_prop_register_global_list(slew_lost_ticks);
876 } else if (!strcmp(value, "none")) {
877 /* discard is default */
878 } else {
879 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
880 exit(1);
881 }
882 }
883 }
884
885 /***********************************************************/
886 /* Bluetooth support */
887 static int nb_hcis;
888 static int cur_hci;
889 static struct HCIInfo *hci_table[MAX_NICS];
890
891 struct HCIInfo *qemu_next_hci(void)
892 {
893 if (cur_hci == nb_hcis)
894 return &null_hci;
895
896 return hci_table[cur_hci++];
897 }
898
899 static int bt_hci_parse(const char *str)
900 {
901 struct HCIInfo *hci;
902 bdaddr_t bdaddr;
903
904 if (nb_hcis >= MAX_NICS) {
905 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
906 return -1;
907 }
908
909 hci = hci_init(str);
910 if (!hci)
911 return -1;
912
913 bdaddr.b[0] = 0x52;
914 bdaddr.b[1] = 0x54;
915 bdaddr.b[2] = 0x00;
916 bdaddr.b[3] = 0x12;
917 bdaddr.b[4] = 0x34;
918 bdaddr.b[5] = 0x56 + nb_hcis;
919 hci->bdaddr_set(hci, bdaddr.b);
920
921 hci_table[nb_hcis++] = hci;
922
923 return 0;
924 }
925
926 static void bt_vhci_add(int vlan_id)
927 {
928 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
929
930 if (!vlan->slave)
931 fprintf(stderr, "qemu: warning: adding a VHCI to "
932 "an empty scatternet %i\n", vlan_id);
933
934 bt_vhci_init(bt_new_hci(vlan));
935 }
936
937 static struct bt_device_s *bt_device_add(const char *opt)
938 {
939 struct bt_scatternet_s *vlan;
940 int vlan_id = 0;
941 char *endp = strstr(opt, ",vlan=");
942 int len = (endp ? endp - opt : strlen(opt)) + 1;
943 char devname[10];
944
945 pstrcpy(devname, MIN(sizeof(devname), len), opt);
946
947 if (endp) {
948 vlan_id = strtol(endp + 6, &endp, 0);
949 if (*endp) {
950 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
951 return 0;
952 }
953 }
954
955 vlan = qemu_find_bt_vlan(vlan_id);
956
957 if (!vlan->slave)
958 fprintf(stderr, "qemu: warning: adding a slave device to "
959 "an empty scatternet %i\n", vlan_id);
960
961 if (!strcmp(devname, "keyboard"))
962 return bt_keyboard_init(vlan);
963
964 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
965 return 0;
966 }
967
968 static int bt_parse(const char *opt)
969 {
970 const char *endp, *p;
971 int vlan;
972
973 if (strstart(opt, "hci", &endp)) {
974 if (!*endp || *endp == ',') {
975 if (*endp)
976 if (!strstart(endp, ",vlan=", 0))
977 opt = endp + 1;
978
979 return bt_hci_parse(opt);
980 }
981 } else if (strstart(opt, "vhci", &endp)) {
982 if (!*endp || *endp == ',') {
983 if (*endp) {
984 if (strstart(endp, ",vlan=", &p)) {
985 vlan = strtol(p, (char **) &endp, 0);
986 if (*endp) {
987 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
988 return 1;
989 }
990 } else {
991 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
992 return 1;
993 }
994 } else
995 vlan = 0;
996
997 bt_vhci_add(vlan);
998 return 0;
999 }
1000 } else if (strstart(opt, "device:", &endp))
1001 return !bt_device_add(endp);
1002
1003 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
1004 return 1;
1005 }
1006
1007 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1008 {
1009 /* FIXME: change this to true for 1.3 */
1010 if (qemu_opt_get_bool(opts, "enable", false)) {
1011 #ifdef CONFIG_SECCOMP
1012 if (seccomp_start() < 0) {
1013 error_report("failed to install seccomp syscall filter "
1014 "in the kernel");
1015 return -1;
1016 }
1017 #else
1018 error_report("sandboxing request but seccomp is not compiled "
1019 "into this build");
1020 return -1;
1021 #endif
1022 }
1023
1024 return 0;
1025 }
1026
1027 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1028 {
1029 const char *proc_name;
1030
1031 if (qemu_opt_get(opts, "debug-threads")) {
1032 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1033 }
1034 qemu_name = qemu_opt_get(opts, "guest");
1035
1036 proc_name = qemu_opt_get(opts, "process");
1037 if (proc_name) {
1038 os_set_proc_name(proc_name);
1039 }
1040
1041 return 0;
1042 }
1043
1044 bool defaults_enabled(void)
1045 {
1046 return has_defaults;
1047 }
1048
1049 bool usb_enabled(void)
1050 {
1051 return machine_usb(current_machine);
1052 }
1053
1054 #ifndef _WIN32
1055 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1056 {
1057 int fd, dupfd, flags;
1058 int64_t fdset_id;
1059 const char *fd_opaque = NULL;
1060 AddfdInfo *fdinfo;
1061
1062 fd = qemu_opt_get_number(opts, "fd", -1);
1063 fdset_id = qemu_opt_get_number(opts, "set", -1);
1064 fd_opaque = qemu_opt_get(opts, "opaque");
1065
1066 if (fd < 0) {
1067 error_report("fd option is required and must be non-negative");
1068 return -1;
1069 }
1070
1071 if (fd <= STDERR_FILENO) {
1072 error_report("fd cannot be a standard I/O stream");
1073 return -1;
1074 }
1075
1076 /*
1077 * All fds inherited across exec() necessarily have FD_CLOEXEC
1078 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1079 */
1080 flags = fcntl(fd, F_GETFD);
1081 if (flags == -1 || (flags & FD_CLOEXEC)) {
1082 error_report("fd is not valid or already in use");
1083 return -1;
1084 }
1085
1086 if (fdset_id < 0) {
1087 error_report("set option is required and must be non-negative");
1088 return -1;
1089 }
1090
1091 #ifdef F_DUPFD_CLOEXEC
1092 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1093 #else
1094 dupfd = dup(fd);
1095 if (dupfd != -1) {
1096 qemu_set_cloexec(dupfd);
1097 }
1098 #endif
1099 if (dupfd == -1) {
1100 error_report("Error duplicating fd: %s", strerror(errno));
1101 return -1;
1102 }
1103
1104 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1105 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1106 &error_abort);
1107 g_free(fdinfo);
1108
1109 return 0;
1110 }
1111
1112 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1113 {
1114 int fd;
1115
1116 fd = qemu_opt_get_number(opts, "fd", -1);
1117 close(fd);
1118
1119 return 0;
1120 }
1121 #endif
1122
1123 /***********************************************************/
1124 /* QEMU Block devices */
1125
1126 #define HD_OPTS "media=disk"
1127 #define CDROM_OPTS "media=cdrom"
1128 #define FD_OPTS ""
1129 #define PFLASH_OPTS ""
1130 #define MTD_OPTS ""
1131 #define SD_OPTS ""
1132
1133 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1134 {
1135 BlockInterfaceType *block_default_type = opaque;
1136
1137 return drive_new(opts, *block_default_type) == NULL;
1138 }
1139
1140 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1141 {
1142 if (qemu_opt_get(opts, "snapshot") == NULL) {
1143 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1144 }
1145 return 0;
1146 }
1147
1148 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1149 int index, const char *optstr)
1150 {
1151 QemuOpts *opts;
1152 DriveInfo *dinfo;
1153
1154 if (!enable || drive_get_by_index(type, index)) {
1155 return;
1156 }
1157
1158 opts = drive_add(type, index, NULL, optstr);
1159 if (snapshot) {
1160 drive_enable_snapshot(NULL, opts, NULL);
1161 }
1162
1163 dinfo = drive_new(opts, type);
1164 if (!dinfo) {
1165 exit(1);
1166 }
1167 dinfo->is_default = true;
1168
1169 }
1170
1171 static QemuOptsList qemu_smp_opts = {
1172 .name = "smp-opts",
1173 .implied_opt_name = "cpus",
1174 .merge_lists = true,
1175 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1176 .desc = {
1177 {
1178 .name = "cpus",
1179 .type = QEMU_OPT_NUMBER,
1180 }, {
1181 .name = "sockets",
1182 .type = QEMU_OPT_NUMBER,
1183 }, {
1184 .name = "cores",
1185 .type = QEMU_OPT_NUMBER,
1186 }, {
1187 .name = "threads",
1188 .type = QEMU_OPT_NUMBER,
1189 }, {
1190 .name = "maxcpus",
1191 .type = QEMU_OPT_NUMBER,
1192 },
1193 { /*End of list */ }
1194 },
1195 };
1196
1197 static void smp_parse(QemuOpts *opts)
1198 {
1199 if (opts) {
1200
1201 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1202 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1203 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1204 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1205
1206 /* compute missing values, prefer sockets over cores over threads */
1207 if (cpus == 0 || sockets == 0) {
1208 sockets = sockets > 0 ? sockets : 1;
1209 cores = cores > 0 ? cores : 1;
1210 threads = threads > 0 ? threads : 1;
1211 if (cpus == 0) {
1212 cpus = cores * threads * sockets;
1213 }
1214 } else if (cores == 0) {
1215 threads = threads > 0 ? threads : 1;
1216 cores = cpus / (sockets * threads);
1217 } else if (threads == 0) {
1218 threads = cpus / (cores * sockets);
1219 } else if (sockets * cores * threads < cpus) {
1220 fprintf(stderr, "cpu topology: error: "
1221 "sockets (%u) * cores (%u) * threads (%u) < "
1222 "smp_cpus (%u)\n",
1223 sockets, cores, threads, cpus);
1224 exit(1);
1225 }
1226
1227 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1228
1229 smp_cpus = cpus;
1230 smp_cores = cores > 0 ? cores : 1;
1231 smp_threads = threads > 0 ? threads : 1;
1232
1233 }
1234
1235 if (max_cpus == 0) {
1236 max_cpus = smp_cpus;
1237 }
1238
1239 if (max_cpus > MAX_CPUMASK_BITS) {
1240 fprintf(stderr, "Unsupported number of maxcpus\n");
1241 exit(1);
1242 }
1243 if (max_cpus < smp_cpus) {
1244 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1245 exit(1);
1246 }
1247
1248 }
1249
1250 static void realtime_init(void)
1251 {
1252 if (enable_mlock) {
1253 if (os_mlock() < 0) {
1254 fprintf(stderr, "qemu: locking memory failed\n");
1255 exit(1);
1256 }
1257 }
1258 }
1259
1260
1261 static void configure_msg(QemuOpts *opts)
1262 {
1263 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1264 }
1265
1266 /***********************************************************/
1267 /* Semihosting */
1268
1269 typedef struct SemihostingConfig {
1270 bool enabled;
1271 SemihostingTarget target;
1272 const char **argv;
1273 int argc;
1274 const char *cmdline; /* concatenated argv */
1275 } SemihostingConfig;
1276
1277 static SemihostingConfig semihosting;
1278
1279 bool semihosting_enabled(void)
1280 {
1281 return semihosting.enabled;
1282 }
1283
1284 SemihostingTarget semihosting_get_target(void)
1285 {
1286 return semihosting.target;
1287 }
1288
1289 const char *semihosting_get_arg(int i)
1290 {
1291 if (i >= semihosting.argc) {
1292 return NULL;
1293 }
1294 return semihosting.argv[i];
1295 }
1296
1297 int semihosting_get_argc(void)
1298 {
1299 return semihosting.argc;
1300 }
1301
1302 const char *semihosting_get_cmdline(void)
1303 {
1304 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1305 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1306 }
1307 return semihosting.cmdline;
1308 }
1309
1310 static int add_semihosting_arg(void *opaque,
1311 const char *name, const char *val,
1312 Error **errp)
1313 {
1314 SemihostingConfig *s = opaque;
1315 if (strcmp(name, "arg") == 0) {
1316 s->argc++;
1317 /* one extra element as g_strjoinv() expects NULL-terminated array */
1318 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1319 s->argv[s->argc - 1] = val;
1320 s->argv[s->argc] = NULL;
1321 }
1322 return 0;
1323 }
1324
1325 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1326 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1327 {
1328 char *cmd_token;
1329
1330 /* argv[0] */
1331 add_semihosting_arg(&semihosting, "arg", file, NULL);
1332
1333 /* split -append and initialize argv[1..n] */
1334 cmd_token = strtok(g_strdup(cmd), " ");
1335 while (cmd_token) {
1336 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1337 cmd_token = strtok(NULL, " ");
1338 }
1339 }
1340
1341 /* Now we still need this for compatibility with XEN. */
1342 bool has_igd_gfx_passthru;
1343 static void igd_gfx_passthru(void)
1344 {
1345 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1346 }
1347
1348 /***********************************************************/
1349 /* USB devices */
1350
1351 static int usb_device_add(const char *devname)
1352 {
1353 USBDevice *dev = NULL;
1354 #ifndef CONFIG_LINUX
1355 const char *p;
1356 #endif
1357
1358 if (!usb_enabled()) {
1359 return -1;
1360 }
1361
1362 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1363 dev = usbdevice_create(devname);
1364 if (dev)
1365 goto done;
1366
1367 /* the other ones */
1368 #ifndef CONFIG_LINUX
1369 /* only the linux version is qdev-ified, usb-bsd still needs this */
1370 if (strstart(devname, "host:", &p)) {
1371 dev = usb_host_device_open(usb_bus_find(-1), p);
1372 }
1373 #endif
1374 if (!dev)
1375 return -1;
1376
1377 done:
1378 return 0;
1379 }
1380
1381 static int usb_device_del(const char *devname)
1382 {
1383 int bus_num, addr;
1384 const char *p;
1385
1386 if (strstart(devname, "host:", &p)) {
1387 return -1;
1388 }
1389
1390 if (!usb_enabled()) {
1391 return -1;
1392 }
1393
1394 p = strchr(devname, '.');
1395 if (!p)
1396 return -1;
1397 bus_num = strtoul(devname, NULL, 0);
1398 addr = strtoul(p + 1, NULL, 0);
1399
1400 return usb_device_delete_addr(bus_num, addr);
1401 }
1402
1403 static int usb_parse(const char *cmdline)
1404 {
1405 int r;
1406 r = usb_device_add(cmdline);
1407 if (r < 0) {
1408 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1409 }
1410 return r;
1411 }
1412
1413 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1414 {
1415 const char *devname = qdict_get_str(qdict, "devname");
1416 if (usb_device_add(devname) < 0) {
1417 error_report("could not add USB device '%s'", devname);
1418 }
1419 }
1420
1421 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1422 {
1423 const char *devname = qdict_get_str(qdict, "devname");
1424 if (usb_device_del(devname) < 0) {
1425 error_report("could not delete USB device '%s'", devname);
1426 }
1427 }
1428
1429 /***********************************************************/
1430 /* machine registration */
1431
1432 MachineState *current_machine;
1433
1434 /*
1435 * Transitional class registration/init used for converting from
1436 * legacy QEMUMachine to MachineClass.
1437 */
1438 static void qemu_machine_class_init(ObjectClass *oc, void *data)
1439 {
1440 MachineClass *mc = MACHINE_CLASS(oc);
1441 QEMUMachine *qm = data;
1442 mc->name = qm->name;
1443 mc->desc = qm->desc;
1444 mc->init = qm->init;
1445 mc->kvm_type = qm->kvm_type;
1446 mc->block_default_type = qm->block_default_type;
1447 mc->max_cpus = qm->max_cpus;
1448 mc->no_sdcard = qm->no_sdcard;
1449 mc->has_dynamic_sysbus = qm->has_dynamic_sysbus;
1450 mc->is_default = qm->is_default;
1451 mc->default_machine_opts = qm->default_machine_opts;
1452 mc->default_boot_order = qm->default_boot_order;
1453 }
1454
1455 int qemu_register_machine(QEMUMachine *m)
1456 {
1457 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1458 TypeInfo ti = {
1459 .name = name,
1460 .parent = TYPE_MACHINE,
1461 .class_init = qemu_machine_class_init,
1462 .class_data = (void *)m,
1463 };
1464
1465 type_register(&ti);
1466 g_free(name);
1467
1468 return 0;
1469 }
1470
1471 static MachineClass *find_machine(const char *name)
1472 {
1473 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1474 MachineClass *mc = NULL;
1475
1476 for (el = machines; el; el = el->next) {
1477 MachineClass *temp = el->data;
1478
1479 if (!strcmp(temp->name, name)) {
1480 mc = temp;
1481 break;
1482 }
1483 if (temp->alias &&
1484 !strcmp(temp->alias, name)) {
1485 mc = temp;
1486 break;
1487 }
1488 }
1489
1490 g_slist_free(machines);
1491 return mc;
1492 }
1493
1494 MachineClass *find_default_machine(void)
1495 {
1496 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1497 MachineClass *mc = NULL;
1498
1499 for (el = machines; el; el = el->next) {
1500 MachineClass *temp = el->data;
1501
1502 if (temp->is_default) {
1503 mc = temp;
1504 break;
1505 }
1506 }
1507
1508 g_slist_free(machines);
1509 return mc;
1510 }
1511
1512 MachineInfoList *qmp_query_machines(Error **errp)
1513 {
1514 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1515 MachineInfoList *mach_list = NULL;
1516
1517 for (el = machines; el; el = el->next) {
1518 MachineClass *mc = el->data;
1519 MachineInfoList *entry;
1520 MachineInfo *info;
1521
1522 info = g_malloc0(sizeof(*info));
1523 if (mc->is_default) {
1524 info->has_is_default = true;
1525 info->is_default = true;
1526 }
1527
1528 if (mc->alias) {
1529 info->has_alias = true;
1530 info->alias = g_strdup(mc->alias);
1531 }
1532
1533 info->name = g_strdup(mc->name);
1534 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1535
1536 entry = g_malloc0(sizeof(*entry));
1537 entry->value = info;
1538 entry->next = mach_list;
1539 mach_list = entry;
1540 }
1541
1542 g_slist_free(machines);
1543 return mach_list;
1544 }
1545
1546 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1547 {
1548 ObjectProperty *prop;
1549
1550 if (!qemu_opt_has_help_opt(opts)) {
1551 return 0;
1552 }
1553
1554 QTAILQ_FOREACH(prop, &OBJECT(machine)->properties, node) {
1555 if (!prop->set) {
1556 continue;
1557 }
1558
1559 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1560 prop->name, prop->type);
1561 if (prop->description) {
1562 error_printf(" (%s)\n", prop->description);
1563 } else {
1564 error_printf("\n");
1565 }
1566 }
1567
1568 return 1;
1569 }
1570
1571 /***********************************************************/
1572 /* main execution loop */
1573
1574 struct vm_change_state_entry {
1575 VMChangeStateHandler *cb;
1576 void *opaque;
1577 QLIST_ENTRY (vm_change_state_entry) entries;
1578 };
1579
1580 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1581
1582 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1583 void *opaque)
1584 {
1585 VMChangeStateEntry *e;
1586
1587 e = g_malloc0(sizeof (*e));
1588
1589 e->cb = cb;
1590 e->opaque = opaque;
1591 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1592 return e;
1593 }
1594
1595 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1596 {
1597 QLIST_REMOVE (e, entries);
1598 g_free (e);
1599 }
1600
1601 void vm_state_notify(int running, RunState state)
1602 {
1603 VMChangeStateEntry *e, *next;
1604
1605 trace_vm_state_notify(running, state);
1606
1607 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1608 e->cb(e->opaque, running, state);
1609 }
1610 }
1611
1612 /* reset/shutdown handler */
1613
1614 typedef struct QEMUResetEntry {
1615 QTAILQ_ENTRY(QEMUResetEntry) entry;
1616 QEMUResetHandler *func;
1617 void *opaque;
1618 } QEMUResetEntry;
1619
1620 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1621 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1622 static int reset_requested;
1623 static int shutdown_requested, shutdown_signal = -1;
1624 static pid_t shutdown_pid;
1625 static int powerdown_requested;
1626 static int debug_requested;
1627 static int suspend_requested;
1628 static WakeupReason wakeup_reason;
1629 static NotifierList powerdown_notifiers =
1630 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1631 static NotifierList suspend_notifiers =
1632 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1633 static NotifierList wakeup_notifiers =
1634 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1635 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1636
1637 int qemu_shutdown_requested_get(void)
1638 {
1639 return shutdown_requested;
1640 }
1641
1642 int qemu_reset_requested_get(void)
1643 {
1644 return reset_requested;
1645 }
1646
1647 static int qemu_shutdown_requested(void)
1648 {
1649 return atomic_xchg(&shutdown_requested, 0);
1650 }
1651
1652 static void qemu_kill_report(void)
1653 {
1654 if (!qtest_driver() && shutdown_signal != -1) {
1655 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1656 if (shutdown_pid == 0) {
1657 /* This happens for eg ^C at the terminal, so it's worth
1658 * avoiding printing an odd message in that case.
1659 */
1660 fputc('\n', stderr);
1661 } else {
1662 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1663 }
1664 shutdown_signal = -1;
1665 }
1666 }
1667
1668 static int qemu_reset_requested(void)
1669 {
1670 int r = reset_requested;
1671 reset_requested = 0;
1672 return r;
1673 }
1674
1675 static int qemu_suspend_requested(void)
1676 {
1677 int r = suspend_requested;
1678 suspend_requested = 0;
1679 return r;
1680 }
1681
1682 static WakeupReason qemu_wakeup_requested(void)
1683 {
1684 return wakeup_reason;
1685 }
1686
1687 static int qemu_powerdown_requested(void)
1688 {
1689 int r = powerdown_requested;
1690 powerdown_requested = 0;
1691 return r;
1692 }
1693
1694 static int qemu_debug_requested(void)
1695 {
1696 int r = debug_requested;
1697 debug_requested = 0;
1698 return r;
1699 }
1700
1701 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1702 {
1703 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1704
1705 re->func = func;
1706 re->opaque = opaque;
1707 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1708 }
1709
1710 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1711 {
1712 QEMUResetEntry *re;
1713
1714 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1715 if (re->func == func && re->opaque == opaque) {
1716 QTAILQ_REMOVE(&reset_handlers, re, entry);
1717 g_free(re);
1718 return;
1719 }
1720 }
1721 }
1722
1723 void qemu_devices_reset(void)
1724 {
1725 QEMUResetEntry *re, *nre;
1726
1727 /* reset all devices */
1728 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1729 re->func(re->opaque);
1730 }
1731 }
1732
1733 void qemu_system_reset(bool report)
1734 {
1735 MachineClass *mc;
1736
1737 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1738
1739 if (mc && mc->reset) {
1740 mc->reset();
1741 } else {
1742 qemu_devices_reset();
1743 }
1744 if (report) {
1745 qapi_event_send_reset(&error_abort);
1746 }
1747 cpu_synchronize_all_post_reset();
1748 }
1749
1750 void qemu_system_reset_request(void)
1751 {
1752 if (no_reboot) {
1753 shutdown_requested = 1;
1754 } else {
1755 reset_requested = 1;
1756 }
1757 cpu_stop_current();
1758 qemu_notify_event();
1759 }
1760
1761 static void qemu_system_suspend(void)
1762 {
1763 pause_all_vcpus();
1764 notifier_list_notify(&suspend_notifiers, NULL);
1765 runstate_set(RUN_STATE_SUSPENDED);
1766 qapi_event_send_suspend(&error_abort);
1767 }
1768
1769 void qemu_system_suspend_request(void)
1770 {
1771 if (runstate_check(RUN_STATE_SUSPENDED)) {
1772 return;
1773 }
1774 suspend_requested = 1;
1775 cpu_stop_current();
1776 qemu_notify_event();
1777 }
1778
1779 void qemu_register_suspend_notifier(Notifier *notifier)
1780 {
1781 notifier_list_add(&suspend_notifiers, notifier);
1782 }
1783
1784 void qemu_system_wakeup_request(WakeupReason reason)
1785 {
1786 trace_system_wakeup_request(reason);
1787
1788 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1789 return;
1790 }
1791 if (!(wakeup_reason_mask & (1 << reason))) {
1792 return;
1793 }
1794 runstate_set(RUN_STATE_RUNNING);
1795 wakeup_reason = reason;
1796 qemu_notify_event();
1797 }
1798
1799 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1800 {
1801 if (enabled) {
1802 wakeup_reason_mask |= (1 << reason);
1803 } else {
1804 wakeup_reason_mask &= ~(1 << reason);
1805 }
1806 }
1807
1808 void qemu_register_wakeup_notifier(Notifier *notifier)
1809 {
1810 notifier_list_add(&wakeup_notifiers, notifier);
1811 }
1812
1813 void qemu_system_killed(int signal, pid_t pid)
1814 {
1815 shutdown_signal = signal;
1816 shutdown_pid = pid;
1817 no_shutdown = 0;
1818 qemu_system_shutdown_request();
1819 }
1820
1821 void qemu_system_shutdown_request(void)
1822 {
1823 trace_qemu_system_shutdown_request();
1824 shutdown_requested = 1;
1825 qemu_notify_event();
1826 }
1827
1828 static void qemu_system_powerdown(void)
1829 {
1830 qapi_event_send_powerdown(&error_abort);
1831 notifier_list_notify(&powerdown_notifiers, NULL);
1832 }
1833
1834 void qemu_system_powerdown_request(void)
1835 {
1836 trace_qemu_system_powerdown_request();
1837 powerdown_requested = 1;
1838 qemu_notify_event();
1839 }
1840
1841 void qemu_register_powerdown_notifier(Notifier *notifier)
1842 {
1843 notifier_list_add(&powerdown_notifiers, notifier);
1844 }
1845
1846 void qemu_system_debug_request(void)
1847 {
1848 debug_requested = 1;
1849 qemu_notify_event();
1850 }
1851
1852 static bool main_loop_should_exit(void)
1853 {
1854 RunState r;
1855 if (qemu_debug_requested()) {
1856 vm_stop(RUN_STATE_DEBUG);
1857 }
1858 if (qemu_suspend_requested()) {
1859 qemu_system_suspend();
1860 }
1861 if (qemu_shutdown_requested()) {
1862 qemu_kill_report();
1863 qapi_event_send_shutdown(&error_abort);
1864 if (no_shutdown) {
1865 vm_stop(RUN_STATE_SHUTDOWN);
1866 } else {
1867 return true;
1868 }
1869 }
1870 if (qemu_reset_requested()) {
1871 pause_all_vcpus();
1872 cpu_synchronize_all_states();
1873 qemu_system_reset(VMRESET_REPORT);
1874 resume_all_vcpus();
1875 if (runstate_needs_reset()) {
1876 runstate_set(RUN_STATE_PAUSED);
1877 }
1878 }
1879 if (qemu_wakeup_requested()) {
1880 pause_all_vcpus();
1881 cpu_synchronize_all_states();
1882 qemu_system_reset(VMRESET_SILENT);
1883 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1884 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1885 resume_all_vcpus();
1886 qapi_event_send_wakeup(&error_abort);
1887 }
1888 if (qemu_powerdown_requested()) {
1889 qemu_system_powerdown();
1890 }
1891 if (qemu_vmstop_requested(&r)) {
1892 vm_stop(r);
1893 }
1894 return false;
1895 }
1896
1897 static void main_loop(void)
1898 {
1899 bool nonblocking;
1900 int last_io = 0;
1901 #ifdef CONFIG_PROFILER
1902 int64_t ti;
1903 #endif
1904 do {
1905 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1906 #ifdef CONFIG_PROFILER
1907 ti = profile_getclock();
1908 #endif
1909 last_io = main_loop_wait(nonblocking);
1910 #ifdef CONFIG_PROFILER
1911 dev_time += profile_getclock() - ti;
1912 #endif
1913 } while (!main_loop_should_exit());
1914 }
1915
1916 static void version(void)
1917 {
1918 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1919 }
1920
1921 static void help(int exitcode)
1922 {
1923 version();
1924 printf("usage: %s [options] [disk_image]\n\n"
1925 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1926 error_get_progname());
1927
1928 #define QEMU_OPTIONS_GENERATE_HELP
1929 #include "qemu-options-wrapper.h"
1930
1931 printf("\nDuring emulation, the following keys are useful:\n"
1932 "ctrl-alt-f toggle full screen\n"
1933 "ctrl-alt-n switch to virtual console 'n'\n"
1934 "ctrl-alt toggle mouse and keyboard grab\n"
1935 "\n"
1936 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1937
1938 exit(exitcode);
1939 }
1940
1941 #define HAS_ARG 0x0001
1942
1943 typedef struct QEMUOption {
1944 const char *name;
1945 int flags;
1946 int index;
1947 uint32_t arch_mask;
1948 } QEMUOption;
1949
1950 static const QEMUOption qemu_options[] = {
1951 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1952 #define QEMU_OPTIONS_GENERATE_OPTIONS
1953 #include "qemu-options-wrapper.h"
1954 { NULL },
1955 };
1956
1957 static bool vga_available(void)
1958 {
1959 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1960 }
1961
1962 static bool cirrus_vga_available(void)
1963 {
1964 return object_class_by_name("cirrus-vga")
1965 || object_class_by_name("isa-cirrus-vga");
1966 }
1967
1968 static bool vmware_vga_available(void)
1969 {
1970 return object_class_by_name("vmware-svga");
1971 }
1972
1973 static bool qxl_vga_available(void)
1974 {
1975 return object_class_by_name("qxl-vga");
1976 }
1977
1978 static bool tcx_vga_available(void)
1979 {
1980 return object_class_by_name("SUNW,tcx");
1981 }
1982
1983 static bool cg3_vga_available(void)
1984 {
1985 return object_class_by_name("cgthree");
1986 }
1987
1988 static bool virtio_vga_available(void)
1989 {
1990 return object_class_by_name("virtio-vga");
1991 }
1992
1993 static void select_vgahw (const char *p)
1994 {
1995 const char *opts;
1996
1997 assert(vga_interface_type == VGA_NONE);
1998 if (strstart(p, "std", &opts)) {
1999 if (vga_available()) {
2000 vga_interface_type = VGA_STD;
2001 } else {
2002 fprintf(stderr, "Error: standard VGA not available\n");
2003 exit(0);
2004 }
2005 } else if (strstart(p, "cirrus", &opts)) {
2006 if (cirrus_vga_available()) {
2007 vga_interface_type = VGA_CIRRUS;
2008 } else {
2009 fprintf(stderr, "Error: Cirrus VGA not available\n");
2010 exit(0);
2011 }
2012 } else if (strstart(p, "vmware", &opts)) {
2013 if (vmware_vga_available()) {
2014 vga_interface_type = VGA_VMWARE;
2015 } else {
2016 fprintf(stderr, "Error: VMWare SVGA not available\n");
2017 exit(0);
2018 }
2019 } else if (strstart(p, "virtio", &opts)) {
2020 if (virtio_vga_available()) {
2021 vga_interface_type = VGA_VIRTIO;
2022 } else {
2023 fprintf(stderr, "Error: Virtio VGA not available\n");
2024 exit(0);
2025 }
2026 } else if (strstart(p, "xenfb", &opts)) {
2027 vga_interface_type = VGA_XENFB;
2028 } else if (strstart(p, "qxl", &opts)) {
2029 if (qxl_vga_available()) {
2030 vga_interface_type = VGA_QXL;
2031 } else {
2032 fprintf(stderr, "Error: QXL VGA not available\n");
2033 exit(0);
2034 }
2035 } else if (strstart(p, "tcx", &opts)) {
2036 if (tcx_vga_available()) {
2037 vga_interface_type = VGA_TCX;
2038 } else {
2039 fprintf(stderr, "Error: TCX framebuffer not available\n");
2040 exit(0);
2041 }
2042 } else if (strstart(p, "cg3", &opts)) {
2043 if (cg3_vga_available()) {
2044 vga_interface_type = VGA_CG3;
2045 } else {
2046 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2047 exit(0);
2048 }
2049 } else if (!strstart(p, "none", &opts)) {
2050 invalid_vga:
2051 fprintf(stderr, "Unknown vga type: %s\n", p);
2052 exit(1);
2053 }
2054 while (*opts) {
2055 const char *nextopt;
2056
2057 if (strstart(opts, ",retrace=", &nextopt)) {
2058 opts = nextopt;
2059 if (strstart(opts, "dumb", &nextopt))
2060 vga_retrace_method = VGA_RETRACE_DUMB;
2061 else if (strstart(opts, "precise", &nextopt))
2062 vga_retrace_method = VGA_RETRACE_PRECISE;
2063 else goto invalid_vga;
2064 } else goto invalid_vga;
2065 opts = nextopt;
2066 }
2067 }
2068
2069 static DisplayType select_display(const char *p)
2070 {
2071 const char *opts;
2072 DisplayType display = DT_DEFAULT;
2073
2074 if (strstart(p, "sdl", &opts)) {
2075 #ifdef CONFIG_SDL
2076 display = DT_SDL;
2077 while (*opts) {
2078 const char *nextopt;
2079
2080 if (strstart(opts, ",frame=", &nextopt)) {
2081 opts = nextopt;
2082 if (strstart(opts, "on", &nextopt)) {
2083 no_frame = 0;
2084 } else if (strstart(opts, "off", &nextopt)) {
2085 no_frame = 1;
2086 } else {
2087 goto invalid_sdl_args;
2088 }
2089 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2090 opts = nextopt;
2091 if (strstart(opts, "on", &nextopt)) {
2092 alt_grab = 1;
2093 } else if (strstart(opts, "off", &nextopt)) {
2094 alt_grab = 0;
2095 } else {
2096 goto invalid_sdl_args;
2097 }
2098 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2099 opts = nextopt;
2100 if (strstart(opts, "on", &nextopt)) {
2101 ctrl_grab = 1;
2102 } else if (strstart(opts, "off", &nextopt)) {
2103 ctrl_grab = 0;
2104 } else {
2105 goto invalid_sdl_args;
2106 }
2107 } else if (strstart(opts, ",window_close=", &nextopt)) {
2108 opts = nextopt;
2109 if (strstart(opts, "on", &nextopt)) {
2110 no_quit = 0;
2111 } else if (strstart(opts, "off", &nextopt)) {
2112 no_quit = 1;
2113 } else {
2114 goto invalid_sdl_args;
2115 }
2116 } else if (strstart(opts, ",gl=", &nextopt)) {
2117 opts = nextopt;
2118 if (strstart(opts, "on", &nextopt)) {
2119 request_opengl = 1;
2120 } else if (strstart(opts, "off", &nextopt)) {
2121 request_opengl = 0;
2122 } else {
2123 goto invalid_sdl_args;
2124 }
2125 } else {
2126 invalid_sdl_args:
2127 error_report("Invalid SDL option string");
2128 exit(1);
2129 }
2130 opts = nextopt;
2131 }
2132 #else
2133 error_report("SDL support is disabled");
2134 exit(1);
2135 #endif
2136 } else if (strstart(p, "vnc", &opts)) {
2137 #ifdef CONFIG_VNC
2138 if (*opts == '=') {
2139 Error *err = NULL;
2140 if (vnc_parse(opts + 1, &err) == NULL) {
2141 error_report_err(err);
2142 exit(1);
2143 }
2144 } else {
2145 error_report("VNC requires a display argument vnc=<display>");
2146 exit(1);
2147 }
2148 #else
2149 error_report("VNC support is disabled");
2150 exit(1);
2151 #endif
2152 } else if (strstart(p, "curses", &opts)) {
2153 #ifdef CONFIG_CURSES
2154 display = DT_CURSES;
2155 #else
2156 error_report("Curses support is disabled");
2157 exit(1);
2158 #endif
2159 } else if (strstart(p, "gtk", &opts)) {
2160 #ifdef CONFIG_GTK
2161 display = DT_GTK;
2162 while (*opts) {
2163 const char *nextopt;
2164
2165 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2166 opts = nextopt;
2167 if (strstart(opts, "on", &nextopt)) {
2168 grab_on_hover = true;
2169 } else if (strstart(opts, "off", &nextopt)) {
2170 grab_on_hover = false;
2171 } else {
2172 goto invalid_gtk_args;
2173 }
2174 } else if (strstart(opts, ",gl=", &nextopt)) {
2175 opts = nextopt;
2176 if (strstart(opts, "on", &nextopt)) {
2177 request_opengl = 1;
2178 } else if (strstart(opts, "off", &nextopt)) {
2179 request_opengl = 0;
2180 } else {
2181 goto invalid_gtk_args;
2182 }
2183 } else {
2184 invalid_gtk_args:
2185 error_report("Invalid GTK option string");
2186 exit(1);
2187 }
2188 opts = nextopt;
2189 }
2190 #else
2191 error_report("GTK support is disabled");
2192 exit(1);
2193 #endif
2194 } else if (strstart(p, "none", &opts)) {
2195 display = DT_NONE;
2196 } else {
2197 error_report("Unknown display type");
2198 exit(1);
2199 }
2200
2201 return display;
2202 }
2203
2204 static int balloon_parse(const char *arg)
2205 {
2206 QemuOpts *opts;
2207
2208 if (strcmp(arg, "none") == 0) {
2209 return 0;
2210 }
2211
2212 if (!strncmp(arg, "virtio", 6)) {
2213 if (arg[6] == ',') {
2214 /* have params -> parse them */
2215 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2216 false);
2217 if (!opts)
2218 return -1;
2219 } else {
2220 /* create empty opts */
2221 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2222 &error_abort);
2223 }
2224 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2225 return 0;
2226 }
2227
2228 return -1;
2229 }
2230
2231 char *qemu_find_file(int type, const char *name)
2232 {
2233 int i;
2234 const char *subdir;
2235 char *buf;
2236
2237 /* Try the name as a straight path first */
2238 if (access(name, R_OK) == 0) {
2239 trace_load_file(name, name);
2240 return g_strdup(name);
2241 }
2242
2243 switch (type) {
2244 case QEMU_FILE_TYPE_BIOS:
2245 subdir = "";
2246 break;
2247 case QEMU_FILE_TYPE_KEYMAP:
2248 subdir = "keymaps/";
2249 break;
2250 default:
2251 abort();
2252 }
2253
2254 for (i = 0; i < data_dir_idx; i++) {
2255 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2256 if (access(buf, R_OK) == 0) {
2257 trace_load_file(name, buf);
2258 return buf;
2259 }
2260 g_free(buf);
2261 }
2262 return NULL;
2263 }
2264
2265 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2266 {
2267 gchar *buf;
2268 size_t size;
2269 const char *name, *file;
2270
2271 if (opaque == NULL) {
2272 error_report("fw_cfg device not available");
2273 return -1;
2274 }
2275 name = qemu_opt_get(opts, "name");
2276 file = qemu_opt_get(opts, "file");
2277 if (name == NULL || *name == '\0' || file == NULL || *file == '\0') {
2278 error_report("invalid argument value");
2279 return -1;
2280 }
2281 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2282 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2283 return -1;
2284 }
2285 if (strncmp(name, "opt/", 4) != 0) {
2286 error_report("WARNING: externally provided fw_cfg item names "
2287 "should be prefixed with \"opt/\"!");
2288 }
2289 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2290 error_report("can't load %s", file);
2291 return -1;
2292 }
2293 fw_cfg_add_file((FWCfgState *)opaque, name, buf, size);
2294 return 0;
2295 }
2296
2297 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2298 {
2299 return qdev_device_help(opts);
2300 }
2301
2302 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2303 {
2304 Error *err = NULL;
2305 DeviceState *dev;
2306
2307 dev = qdev_device_add(opts, &err);
2308 if (!dev) {
2309 error_report_err(err);
2310 return -1;
2311 }
2312 object_unref(OBJECT(dev));
2313 return 0;
2314 }
2315
2316 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2317 {
2318 Error *local_err = NULL;
2319
2320 qemu_chr_new_from_opts(opts, NULL, &local_err);
2321 if (local_err) {
2322 error_report_err(local_err);
2323 return -1;
2324 }
2325 return 0;
2326 }
2327
2328 #ifdef CONFIG_VIRTFS
2329 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2330 {
2331 int ret;
2332 ret = qemu_fsdev_add(opts);
2333
2334 return ret;
2335 }
2336 #endif
2337
2338 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2339 {
2340 CharDriverState *chr;
2341 const char *chardev;
2342 const char *mode;
2343 int flags;
2344
2345 mode = qemu_opt_get(opts, "mode");
2346 if (mode == NULL) {
2347 mode = "readline";
2348 }
2349 if (strcmp(mode, "readline") == 0) {
2350 flags = MONITOR_USE_READLINE;
2351 } else if (strcmp(mode, "control") == 0) {
2352 flags = MONITOR_USE_CONTROL;
2353 } else {
2354 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2355 exit(1);
2356 }
2357
2358 if (qemu_opt_get_bool(opts, "pretty", 0))
2359 flags |= MONITOR_USE_PRETTY;
2360
2361 if (qemu_opt_get_bool(opts, "default", 0))
2362 flags |= MONITOR_IS_DEFAULT;
2363
2364 chardev = qemu_opt_get(opts, "chardev");
2365 chr = qemu_chr_find(chardev);
2366 if (chr == NULL) {
2367 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2368 exit(1);
2369 }
2370
2371 qemu_chr_fe_claim_no_fail(chr);
2372 monitor_init(chr, flags);
2373 return 0;
2374 }
2375
2376 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2377 {
2378 static int monitor_device_index = 0;
2379 Error *local_err = NULL;
2380 QemuOpts *opts;
2381 const char *p;
2382 char label[32];
2383 int def = 0;
2384
2385 if (strstart(optarg, "chardev:", &p)) {
2386 snprintf(label, sizeof(label), "%s", p);
2387 } else {
2388 snprintf(label, sizeof(label), "compat_monitor%d",
2389 monitor_device_index);
2390 if (monitor_device_index == 0) {
2391 def = 1;
2392 }
2393 opts = qemu_chr_parse_compat(label, optarg);
2394 if (!opts) {
2395 fprintf(stderr, "parse error: %s\n", optarg);
2396 exit(1);
2397 }
2398 }
2399
2400 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2401 if (!opts) {
2402 error_report_err(local_err);
2403 exit(1);
2404 }
2405 qemu_opt_set(opts, "mode", mode, &error_abort);
2406 qemu_opt_set(opts, "chardev", label, &error_abort);
2407 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2408 if (def)
2409 qemu_opt_set(opts, "default", "on", &error_abort);
2410 monitor_device_index++;
2411 }
2412
2413 struct device_config {
2414 enum {
2415 DEV_USB, /* -usbdevice */
2416 DEV_BT, /* -bt */
2417 DEV_SERIAL, /* -serial */
2418 DEV_PARALLEL, /* -parallel */
2419 DEV_VIRTCON, /* -virtioconsole */
2420 DEV_DEBUGCON, /* -debugcon */
2421 DEV_GDB, /* -gdb, -s */
2422 DEV_SCLP, /* s390 sclp */
2423 } type;
2424 const char *cmdline;
2425 Location loc;
2426 QTAILQ_ENTRY(device_config) next;
2427 };
2428
2429 static QTAILQ_HEAD(, device_config) device_configs =
2430 QTAILQ_HEAD_INITIALIZER(device_configs);
2431
2432 static void add_device_config(int type, const char *cmdline)
2433 {
2434 struct device_config *conf;
2435
2436 conf = g_malloc0(sizeof(*conf));
2437 conf->type = type;
2438 conf->cmdline = cmdline;
2439 loc_save(&conf->loc);
2440 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2441 }
2442
2443 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2444 {
2445 struct device_config *conf;
2446 int rc;
2447
2448 QTAILQ_FOREACH(conf, &device_configs, next) {
2449 if (conf->type != type)
2450 continue;
2451 loc_push_restore(&conf->loc);
2452 rc = func(conf->cmdline);
2453 loc_pop(&conf->loc);
2454 if (rc) {
2455 return rc;
2456 }
2457 }
2458 return 0;
2459 }
2460
2461 static int serial_parse(const char *devname)
2462 {
2463 static int index = 0;
2464 char label[32];
2465
2466 if (strcmp(devname, "none") == 0)
2467 return 0;
2468 if (index == MAX_SERIAL_PORTS) {
2469 fprintf(stderr, "qemu: too many serial ports\n");
2470 exit(1);
2471 }
2472 snprintf(label, sizeof(label), "serial%d", index);
2473 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2474 if (!serial_hds[index]) {
2475 fprintf(stderr, "qemu: could not connect serial device"
2476 " to character backend '%s'\n", devname);
2477 return -1;
2478 }
2479 index++;
2480 return 0;
2481 }
2482
2483 static int parallel_parse(const char *devname)
2484 {
2485 static int index = 0;
2486 char label[32];
2487
2488 if (strcmp(devname, "none") == 0)
2489 return 0;
2490 if (index == MAX_PARALLEL_PORTS) {
2491 fprintf(stderr, "qemu: too many parallel ports\n");
2492 exit(1);
2493 }
2494 snprintf(label, sizeof(label), "parallel%d", index);
2495 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2496 if (!parallel_hds[index]) {
2497 fprintf(stderr, "qemu: could not connect parallel device"
2498 " to character backend '%s'\n", devname);
2499 return -1;
2500 }
2501 index++;
2502 return 0;
2503 }
2504
2505 static int virtcon_parse(const char *devname)
2506 {
2507 QemuOptsList *device = qemu_find_opts("device");
2508 static int index = 0;
2509 char label[32];
2510 QemuOpts *bus_opts, *dev_opts;
2511
2512 if (strcmp(devname, "none") == 0)
2513 return 0;
2514 if (index == MAX_VIRTIO_CONSOLES) {
2515 fprintf(stderr, "qemu: too many virtio consoles\n");
2516 exit(1);
2517 }
2518
2519 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2520 if (arch_type == QEMU_ARCH_S390X) {
2521 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390", &error_abort);
2522 } else {
2523 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci", &error_abort);
2524 }
2525
2526 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2527 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2528
2529 snprintf(label, sizeof(label), "virtcon%d", index);
2530 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2531 if (!virtcon_hds[index]) {
2532 fprintf(stderr, "qemu: could not connect virtio console"
2533 " to character backend '%s'\n", devname);
2534 return -1;
2535 }
2536 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2537
2538 index++;
2539 return 0;
2540 }
2541
2542 static int sclp_parse(const char *devname)
2543 {
2544 QemuOptsList *device = qemu_find_opts("device");
2545 static int index = 0;
2546 char label[32];
2547 QemuOpts *dev_opts;
2548
2549 if (strcmp(devname, "none") == 0) {
2550 return 0;
2551 }
2552 if (index == MAX_SCLP_CONSOLES) {
2553 fprintf(stderr, "qemu: too many sclp consoles\n");
2554 exit(1);
2555 }
2556
2557 assert(arch_type == QEMU_ARCH_S390X);
2558
2559 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2560 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2561
2562 snprintf(label, sizeof(label), "sclpcon%d", index);
2563 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2564 if (!sclp_hds[index]) {
2565 fprintf(stderr, "qemu: could not connect sclp console"
2566 " to character backend '%s'\n", devname);
2567 return -1;
2568 }
2569 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2570
2571 index++;
2572 return 0;
2573 }
2574
2575 static int debugcon_parse(const char *devname)
2576 {
2577 QemuOpts *opts;
2578
2579 if (!qemu_chr_new("debugcon", devname, NULL)) {
2580 exit(1);
2581 }
2582 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2583 if (!opts) {
2584 fprintf(stderr, "qemu: already have a debugcon device\n");
2585 exit(1);
2586 }
2587 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2588 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2589 return 0;
2590 }
2591
2592 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2593 {
2594 const MachineClass *mc1 = a, *mc2 = b;
2595 int res;
2596
2597 if (mc1->family == NULL) {
2598 if (mc2->family == NULL) {
2599 /* Compare standalone machine types against each other; they sort
2600 * in increasing order.
2601 */
2602 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2603 object_class_get_name(OBJECT_CLASS(mc2)));
2604 }
2605
2606 /* Standalone machine types sort after families. */
2607 return 1;
2608 }
2609
2610 if (mc2->family == NULL) {
2611 /* Families sort before standalone machine types. */
2612 return -1;
2613 }
2614
2615 /* Families sort between each other alphabetically increasingly. */
2616 res = strcmp(mc1->family, mc2->family);
2617 if (res != 0) {
2618 return res;
2619 }
2620
2621 /* Within the same family, machine types sort in decreasing order. */
2622 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2623 object_class_get_name(OBJECT_CLASS(mc1)));
2624 }
2625
2626 static MachineClass *machine_parse(const char *name)
2627 {
2628 MachineClass *mc = NULL;
2629 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2630
2631 if (name) {
2632 mc = find_machine(name);
2633 }
2634 if (mc) {
2635 g_slist_free(machines);
2636 return mc;
2637 }
2638 if (name && !is_help_option(name)) {
2639 error_report("Unsupported machine type");
2640 error_printf("Use -machine help to list supported machines!\n");
2641 } else {
2642 printf("Supported machines are:\n");
2643 machines = g_slist_sort(machines, machine_class_cmp);
2644 for (el = machines; el; el = el->next) {
2645 MachineClass *mc = el->data;
2646 if (mc->alias) {
2647 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2648 }
2649 printf("%-20s %s%s\n", mc->name, mc->desc,
2650 mc->is_default ? " (default)" : "");
2651 }
2652 }
2653
2654 g_slist_free(machines);
2655 exit(!name || !is_help_option(name));
2656 }
2657
2658 void qemu_add_exit_notifier(Notifier *notify)
2659 {
2660 notifier_list_add(&exit_notifiers, notify);
2661 }
2662
2663 void qemu_remove_exit_notifier(Notifier *notify)
2664 {
2665 notifier_remove(notify);
2666 }
2667
2668 static void qemu_run_exit_notifiers(void)
2669 {
2670 notifier_list_notify(&exit_notifiers, NULL);
2671 }
2672
2673 static bool machine_init_done;
2674
2675 void qemu_add_machine_init_done_notifier(Notifier *notify)
2676 {
2677 notifier_list_add(&machine_init_done_notifiers, notify);
2678 if (machine_init_done) {
2679 notify->notify(notify, NULL);
2680 }
2681 }
2682
2683 static void qemu_run_machine_init_done_notifiers(void)
2684 {
2685 notifier_list_notify(&machine_init_done_notifiers, NULL);
2686 machine_init_done = true;
2687 }
2688
2689 static const QEMUOption *lookup_opt(int argc, char **argv,
2690 const char **poptarg, int *poptind)
2691 {
2692 const QEMUOption *popt;
2693 int optind = *poptind;
2694 char *r = argv[optind];
2695 const char *optarg;
2696
2697 loc_set_cmdline(argv, optind, 1);
2698 optind++;
2699 /* Treat --foo the same as -foo. */
2700 if (r[1] == '-')
2701 r++;
2702 popt = qemu_options;
2703 for(;;) {
2704 if (!popt->name) {
2705 error_report("invalid option");
2706 exit(1);
2707 }
2708 if (!strcmp(popt->name, r + 1))
2709 break;
2710 popt++;
2711 }
2712 if (popt->flags & HAS_ARG) {
2713 if (optind >= argc) {
2714 error_report("requires an argument");
2715 exit(1);
2716 }
2717 optarg = argv[optind++];
2718 loc_set_cmdline(argv, optind - 2, 2);
2719 } else {
2720 optarg = NULL;
2721 }
2722
2723 *poptarg = optarg;
2724 *poptind = optind;
2725
2726 return popt;
2727 }
2728
2729 static gpointer malloc_and_trace(gsize n_bytes)
2730 {
2731 void *ptr = malloc(n_bytes);
2732 trace_g_malloc(n_bytes, ptr);
2733 return ptr;
2734 }
2735
2736 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2737 {
2738 void *ptr = realloc(mem, n_bytes);
2739 trace_g_realloc(mem, n_bytes, ptr);
2740 return ptr;
2741 }
2742
2743 static void free_and_trace(gpointer mem)
2744 {
2745 trace_g_free(mem);
2746 free(mem);
2747 }
2748
2749 static int machine_set_property(void *opaque,
2750 const char *name, const char *value,
2751 Error **errp)
2752 {
2753 Object *obj = OBJECT(opaque);
2754 Error *local_err = NULL;
2755 char *c, *qom_name;
2756
2757 if (strcmp(name, "type") == 0) {
2758 return 0;
2759 }
2760
2761 qom_name = g_strdup(name);
2762 c = qom_name;
2763 while (*c++) {
2764 if (*c == '_') {
2765 *c = '-';
2766 }
2767 }
2768
2769 object_property_parse(obj, value, qom_name, &local_err);
2770 g_free(qom_name);
2771
2772 if (local_err) {
2773 error_report_err(local_err);
2774 return -1;
2775 }
2776
2777 return 0;
2778 }
2779
2780
2781 /*
2782 * Initial object creation happens before all other
2783 * QEMU data types are created. The majority of objects
2784 * can be created at this point. The rng-egd object
2785 * cannot be created here, as it depends on the chardev
2786 * already existing.
2787 */
2788 static bool object_create_initial(const char *type)
2789 {
2790 if (g_str_equal(type, "rng-egd")) {
2791 return false;
2792 }
2793 return true;
2794 }
2795
2796
2797 /*
2798 * The remainder of object creation happens after the
2799 * creation of chardev, fsdev and device data types.
2800 */
2801 static bool object_create_delayed(const char *type)
2802 {
2803 return !object_create_initial(type);
2804 }
2805
2806
2807 static int object_create(void *opaque, QemuOpts *opts, Error **errp)
2808 {
2809 Error *err = NULL;
2810 char *type = NULL;
2811 char *id = NULL;
2812 void *dummy = NULL;
2813 OptsVisitor *ov;
2814 QDict *pdict;
2815 bool (*type_predicate)(const char *) = opaque;
2816
2817 ov = opts_visitor_new(opts);
2818 pdict = qemu_opts_to_qdict(opts, NULL);
2819
2820 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2821 if (err) {
2822 goto out;
2823 }
2824
2825 qdict_del(pdict, "qom-type");
2826 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2827 if (err) {
2828 goto out;
2829 }
2830 if (!type_predicate(type)) {
2831 goto out;
2832 }
2833
2834 qdict_del(pdict, "id");
2835 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2836 if (err) {
2837 goto out;
2838 }
2839
2840 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2841 if (err) {
2842 goto out;
2843 }
2844 visit_end_struct(opts_get_visitor(ov), &err);
2845 if (err) {
2846 qmp_object_del(id, NULL);
2847 }
2848
2849 out:
2850 opts_visitor_cleanup(ov);
2851
2852 QDECREF(pdict);
2853 g_free(id);
2854 g_free(type);
2855 g_free(dummy);
2856 if (err) {
2857 error_report_err(err);
2858 return -1;
2859 }
2860 return 0;
2861 }
2862
2863 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2864 MachineClass *mc)
2865 {
2866 uint64_t sz;
2867 const char *mem_str;
2868 const char *maxmem_str, *slots_str;
2869 const ram_addr_t default_ram_size = mc->default_ram_size;
2870 QemuOpts *opts = qemu_find_opts_singleton("memory");
2871
2872 sz = 0;
2873 mem_str = qemu_opt_get(opts, "size");
2874 if (mem_str) {
2875 if (!*mem_str) {
2876 error_report("missing 'size' option value");
2877 exit(EXIT_FAILURE);
2878 }
2879
2880 sz = qemu_opt_get_size(opts, "size", ram_size);
2881
2882 /* Fix up legacy suffix-less format */
2883 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2884 uint64_t overflow_check = sz;
2885
2886 sz <<= 20;
2887 if ((sz >> 20) != overflow_check) {
2888 error_report("too large 'size' option value");
2889 exit(EXIT_FAILURE);
2890 }
2891 }
2892 }
2893
2894 /* backward compatibility behaviour for case "-m 0" */
2895 if (sz == 0) {
2896 sz = default_ram_size;
2897 }
2898
2899 sz = QEMU_ALIGN_UP(sz, 8192);
2900 ram_size = sz;
2901 if (ram_size != sz) {
2902 error_report("ram size too large");
2903 exit(EXIT_FAILURE);
2904 }
2905
2906 /* store value for the future use */
2907 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2908 *maxram_size = ram_size;
2909
2910 maxmem_str = qemu_opt_get(opts, "maxmem");
2911 slots_str = qemu_opt_get(opts, "slots");
2912 if (maxmem_str && slots_str) {
2913 uint64_t slots;
2914
2915 sz = qemu_opt_get_size(opts, "maxmem", 0);
2916 slots = qemu_opt_get_number(opts, "slots", 0);
2917 if (sz < ram_size) {
2918 error_report("invalid value of -m option maxmem: "
2919 "maximum memory size (0x%" PRIx64 ") must be at least "
2920 "the initial memory size (0x" RAM_ADDR_FMT ")",
2921 sz, ram_size);
2922 exit(EXIT_FAILURE);
2923 } else if (sz > ram_size) {
2924 if (!slots) {
2925 error_report("invalid value of -m option: maxmem was "
2926 "specified, but no hotplug slots were specified");
2927 exit(EXIT_FAILURE);
2928 }
2929 } else if (slots) {
2930 error_report("invalid value of -m option maxmem: "
2931 "memory slots were specified but maximum memory size "
2932 "(0x%" PRIx64 ") is equal to the initial memory size "
2933 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2934 exit(EXIT_FAILURE);
2935 }
2936
2937 *maxram_size = sz;
2938 *ram_slots = slots;
2939 } else if ((!maxmem_str && slots_str) ||
2940 (maxmem_str && !slots_str)) {
2941 error_report("invalid -m option value: missing "
2942 "'%s' option", slots_str ? "maxmem" : "slots");
2943 exit(EXIT_FAILURE);
2944 }
2945 }
2946
2947 int main(int argc, char **argv, char **envp)
2948 {
2949 int i;
2950 int snapshot, linux_boot;
2951 const char *initrd_filename;
2952 const char *kernel_filename, *kernel_cmdline;
2953 const char *boot_order = NULL;
2954 const char *boot_once = NULL;
2955 DisplayState *ds;
2956 int cyls, heads, secs, translation;
2957 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2958 QemuOptsList *olist;
2959 int optind;
2960 const char *optarg;
2961 const char *loadvm = NULL;
2962 MachineClass *machine_class;
2963 const char *cpu_model;
2964 const char *vga_model = NULL;
2965 const char *qtest_chrdev = NULL;
2966 const char *qtest_log = NULL;
2967 const char *pid_file = NULL;
2968 const char *incoming = NULL;
2969 #ifdef CONFIG_VNC
2970 int show_vnc_port = 0;
2971 #endif
2972 bool defconfig = true;
2973 bool userconfig = true;
2974 const char *log_mask = NULL;
2975 const char *log_file = NULL;
2976 GMemVTable mem_trace = {
2977 .malloc = malloc_and_trace,
2978 .realloc = realloc_and_trace,
2979 .free = free_and_trace,
2980 };
2981 const char *trace_events = NULL;
2982 const char *trace_file = NULL;
2983 ram_addr_t maxram_size;
2984 uint64_t ram_slots = 0;
2985 FILE *vmstate_dump_file = NULL;
2986 Error *main_loop_err = NULL;
2987 Error *err = NULL;
2988
2989 qemu_init_cpu_loop();
2990 qemu_mutex_lock_iothread();
2991
2992 atexit(qemu_run_exit_notifiers);
2993 error_set_progname(argv[0]);
2994 qemu_init_exec_dir(argv[0]);
2995
2996 g_mem_set_vtable(&mem_trace);
2997
2998 module_call_init(MODULE_INIT_QOM);
2999
3000 qemu_add_opts(&qemu_drive_opts);
3001 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3002 qemu_add_drive_opts(&qemu_common_drive_opts);
3003 qemu_add_drive_opts(&qemu_drive_opts);
3004 qemu_add_opts(&qemu_chardev_opts);
3005 qemu_add_opts(&qemu_device_opts);
3006 qemu_add_opts(&qemu_netdev_opts);
3007 qemu_add_opts(&qemu_net_opts);
3008 qemu_add_opts(&qemu_rtc_opts);
3009 qemu_add_opts(&qemu_global_opts);
3010 qemu_add_opts(&qemu_mon_opts);
3011 qemu_add_opts(&qemu_trace_opts);
3012 qemu_add_opts(&qemu_option_rom_opts);
3013 qemu_add_opts(&qemu_machine_opts);
3014 qemu_add_opts(&qemu_mem_opts);
3015 qemu_add_opts(&qemu_smp_opts);
3016 qemu_add_opts(&qemu_boot_opts);
3017 qemu_add_opts(&qemu_sandbox_opts);
3018 qemu_add_opts(&qemu_add_fd_opts);
3019 qemu_add_opts(&qemu_object_opts);
3020 qemu_add_opts(&qemu_tpmdev_opts);
3021 qemu_add_opts(&qemu_realtime_opts);
3022 qemu_add_opts(&qemu_msg_opts);
3023 qemu_add_opts(&qemu_name_opts);
3024 qemu_add_opts(&qemu_numa_opts);
3025 qemu_add_opts(&qemu_icount_opts);
3026 qemu_add_opts(&qemu_semihosting_config_opts);
3027 qemu_add_opts(&qemu_fw_cfg_opts);
3028
3029 runstate_init();
3030
3031 if (qcrypto_init(&err) < 0) {
3032 fprintf(stderr, "Cannot initialize crypto: %s\n",
3033 error_get_pretty(err));
3034 exit(1);
3035 }
3036 rtc_clock = QEMU_CLOCK_HOST;
3037
3038 QLIST_INIT (&vm_change_state_head);
3039 os_setup_early_signal_handling();
3040
3041 module_call_init(MODULE_INIT_MACHINE);
3042 machine_class = find_default_machine();
3043 cpu_model = NULL;
3044 snapshot = 0;
3045 cyls = heads = secs = 0;
3046 translation = BIOS_ATA_TRANSLATION_AUTO;
3047
3048 nb_nics = 0;
3049
3050 bdrv_init_with_whitelist();
3051
3052 autostart = 1;
3053
3054 /* first pass of option parsing */
3055 optind = 1;
3056 while (optind < argc) {
3057 if (argv[optind][0] != '-') {
3058 /* disk image */
3059 optind++;
3060 } else {
3061 const QEMUOption *popt;
3062
3063 popt = lookup_opt(argc, argv, &optarg, &optind);
3064 switch (popt->index) {
3065 case QEMU_OPTION_nodefconfig:
3066 defconfig = false;
3067 break;
3068 case QEMU_OPTION_nouserconfig:
3069 userconfig = false;
3070 break;
3071 }
3072 }
3073 }
3074
3075 if (defconfig) {
3076 int ret;
3077 ret = qemu_read_default_config_files(userconfig);
3078 if (ret < 0) {
3079 exit(1);
3080 }
3081 }
3082
3083 /* second pass of option parsing */
3084 optind = 1;
3085 for(;;) {
3086 if (optind >= argc)
3087 break;
3088 if (argv[optind][0] != '-') {
3089 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3090 } else {
3091 const QEMUOption *popt;
3092
3093 popt = lookup_opt(argc, argv, &optarg, &optind);
3094 if (!(popt->arch_mask & arch_type)) {
3095 printf("Option %s not supported for this target\n", popt->name);
3096 exit(1);
3097 }
3098 switch(popt->index) {
3099 case QEMU_OPTION_no_kvm_irqchip: {
3100 olist = qemu_find_opts("machine");
3101 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3102 break;
3103 }
3104 case QEMU_OPTION_cpu:
3105 /* hw initialization will check this */
3106 cpu_model = optarg;
3107 break;
3108 case QEMU_OPTION_hda:
3109 {
3110 char buf[256];
3111 if (cyls == 0)
3112 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3113 else
3114 snprintf(buf, sizeof(buf),
3115 "%s,cyls=%d,heads=%d,secs=%d%s",
3116 HD_OPTS , cyls, heads, secs,
3117 translation == BIOS_ATA_TRANSLATION_LBA ?
3118 ",trans=lba" :
3119 translation == BIOS_ATA_TRANSLATION_NONE ?
3120 ",trans=none" : "");
3121 drive_add(IF_DEFAULT, 0, optarg, buf);
3122 break;
3123 }
3124 case QEMU_OPTION_hdb:
3125 case QEMU_OPTION_hdc:
3126 case QEMU_OPTION_hdd:
3127 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3128 HD_OPTS);
3129 break;
3130 case QEMU_OPTION_drive:
3131 if (drive_def(optarg) == NULL) {
3132 exit(1);
3133 }
3134 break;
3135 case QEMU_OPTION_set:
3136 if (qemu_set_option(optarg) != 0)
3137 exit(1);
3138 break;
3139 case QEMU_OPTION_global:
3140 if (qemu_global_option(optarg) != 0)
3141 exit(1);
3142 break;
3143 case QEMU_OPTION_mtdblock:
3144 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3145 break;
3146 case QEMU_OPTION_sd:
3147 drive_add(IF_SD, -1, optarg, SD_OPTS);
3148 break;
3149 case QEMU_OPTION_pflash:
3150 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3151 break;
3152 case QEMU_OPTION_snapshot:
3153 snapshot = 1;
3154 break;
3155 case QEMU_OPTION_hdachs:
3156 {
3157 const char *p;
3158 p = optarg;
3159 cyls = strtol(p, (char **)&p, 0);
3160 if (cyls < 1 || cyls > 16383)
3161 goto chs_fail;
3162 if (*p != ',')
3163 goto chs_fail;
3164 p++;
3165 heads = strtol(p, (char **)&p, 0);
3166 if (heads < 1 || heads > 16)
3167 goto chs_fail;
3168 if (*p != ',')
3169 goto chs_fail;
3170 p++;
3171 secs = strtol(p, (char **)&p, 0);
3172 if (secs < 1 || secs > 63)
3173 goto chs_fail;
3174 if (*p == ',') {
3175 p++;
3176 if (!strcmp(p, "large")) {
3177 translation = BIOS_ATA_TRANSLATION_LARGE;
3178 } else if (!strcmp(p, "rechs")) {
3179 translation = BIOS_ATA_TRANSLATION_RECHS;
3180 } else if (!strcmp(p, "none")) {
3181 translation = BIOS_ATA_TRANSLATION_NONE;
3182 } else if (!strcmp(p, "lba")) {
3183 translation = BIOS_ATA_TRANSLATION_LBA;
3184 } else if (!strcmp(p, "auto")) {
3185 translation = BIOS_ATA_TRANSLATION_AUTO;
3186 } else {
3187 goto chs_fail;
3188 }
3189 } else if (*p != '\0') {
3190 chs_fail:
3191 fprintf(stderr, "qemu: invalid physical CHS format\n");
3192 exit(1);
3193 }
3194 if (hda_opts != NULL) {
3195 qemu_opt_set_number(hda_opts, "cyls", cyls,
3196 &error_abort);
3197 qemu_opt_set_number(hda_opts, "heads", heads,
3198 &error_abort);
3199 qemu_opt_set_number(hda_opts, "secs", secs,
3200 &error_abort);
3201 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3202 qemu_opt_set(hda_opts, "trans", "large",
3203 &error_abort);
3204 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3205 qemu_opt_set(hda_opts, "trans", "rechs",
3206 &error_abort);
3207 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3208 qemu_opt_set(hda_opts, "trans", "lba",
3209 &error_abort);
3210 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3211 qemu_opt_set(hda_opts, "trans", "none",
3212 &error_abort);
3213 }
3214 }
3215 }
3216 break;
3217 case QEMU_OPTION_numa:
3218 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3219 optarg, true);
3220 if (!opts) {
3221 exit(1);
3222 }
3223 break;
3224 case QEMU_OPTION_display:
3225 display_type = select_display(optarg);
3226 break;
3227 case QEMU_OPTION_nographic:
3228 display_type = DT_NOGRAPHIC;
3229 break;
3230 case QEMU_OPTION_curses:
3231 #ifdef CONFIG_CURSES
3232 display_type = DT_CURSES;
3233 #else
3234 fprintf(stderr, "Curses support is disabled\n");
3235 exit(1);
3236 #endif
3237 break;
3238 case QEMU_OPTION_portrait:
3239 graphic_rotate = 90;
3240 break;
3241 case QEMU_OPTION_rotate:
3242 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3243 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3244 graphic_rotate != 180 && graphic_rotate != 270) {
3245 fprintf(stderr,
3246 "qemu: only 90, 180, 270 deg rotation is available\n");
3247 exit(1);
3248 }
3249 break;
3250 case QEMU_OPTION_kernel:
3251 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3252 &error_abort);
3253 break;
3254 case QEMU_OPTION_initrd:
3255 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3256 &error_abort);
3257 break;
3258 case QEMU_OPTION_append:
3259 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3260 &error_abort);
3261 break;
3262 case QEMU_OPTION_dtb:
3263 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3264 &error_abort);
3265 break;
3266 case QEMU_OPTION_cdrom:
3267 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3268 break;
3269 case QEMU_OPTION_boot:
3270 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3271 optarg, true);
3272 if (!opts) {
3273 exit(1);
3274 }
3275 break;
3276 case QEMU_OPTION_fda:
3277 case QEMU_OPTION_fdb:
3278 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3279 optarg, FD_OPTS);
3280 break;
3281 case QEMU_OPTION_no_fd_bootchk:
3282 fd_bootchk = 0;
3283 break;
3284 case QEMU_OPTION_netdev:
3285 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3286 exit(1);
3287 }
3288 break;
3289 case QEMU_OPTION_net:
3290 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3291 exit(1);
3292 }
3293 break;
3294 #ifdef CONFIG_LIBISCSI
3295 case QEMU_OPTION_iscsi:
3296 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3297 optarg, false);
3298 if (!opts) {
3299 exit(1);
3300 }
3301 break;
3302 #endif
3303 #ifdef CONFIG_SLIRP
3304 case QEMU_OPTION_tftp:
3305 legacy_tftp_prefix = optarg;
3306 break;
3307 case QEMU_OPTION_bootp:
3308 legacy_bootp_filename = optarg;
3309 break;
3310 case QEMU_OPTION_redir:
3311 if (net_slirp_redir(optarg) < 0)
3312 exit(1);
3313 break;
3314 #endif
3315 case QEMU_OPTION_bt:
3316 add_device_config(DEV_BT, optarg);
3317 break;
3318 case QEMU_OPTION_audio_help:
3319 AUD_help ();
3320 exit (0);
3321 break;
3322 case QEMU_OPTION_soundhw:
3323 select_soundhw (optarg);
3324 break;
3325 case QEMU_OPTION_h:
3326 help(0);
3327 break;
3328 case QEMU_OPTION_version:
3329 version();
3330 exit(0);
3331 break;
3332 case QEMU_OPTION_m:
3333 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3334 optarg, true);
3335 if (!opts) {
3336 exit(EXIT_FAILURE);
3337 }
3338 break;
3339 #ifdef CONFIG_TPM
3340 case QEMU_OPTION_tpmdev:
3341 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3342 exit(1);
3343 }
3344 break;
3345 #endif
3346 case QEMU_OPTION_mempath:
3347 mem_path = optarg;
3348 break;
3349 case QEMU_OPTION_mem_prealloc:
3350 mem_prealloc = 1;
3351 break;
3352 case QEMU_OPTION_d:
3353 log_mask = optarg;
3354 break;
3355 case QEMU_OPTION_D:
3356 log_file = optarg;
3357 break;
3358 case QEMU_OPTION_s:
3359 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3360 break;
3361 case QEMU_OPTION_gdb:
3362 add_device_config(DEV_GDB, optarg);
3363 break;
3364 case QEMU_OPTION_L:
3365 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3366 data_dir[data_dir_idx++] = optarg;
3367 }
3368 break;
3369 case QEMU_OPTION_bios:
3370 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3371 &error_abort);
3372 break;
3373 case QEMU_OPTION_singlestep:
3374 singlestep = 1;
3375 break;
3376 case QEMU_OPTION_S:
3377 autostart = 0;
3378 break;
3379 case QEMU_OPTION_k:
3380 keyboard_layout = optarg;
3381 break;
3382 case QEMU_OPTION_localtime:
3383 rtc_utc = 0;
3384 break;
3385 case QEMU_OPTION_vga:
3386 vga_model = optarg;
3387 default_vga = 0;
3388 break;
3389 case QEMU_OPTION_g:
3390 {
3391 const char *p;
3392 int w, h, depth;
3393 p = optarg;
3394 w = strtol(p, (char **)&p, 10);
3395 if (w <= 0) {
3396 graphic_error:
3397 fprintf(stderr, "qemu: invalid resolution or depth\n");
3398 exit(1);
3399 }
3400 if (*p != 'x')
3401 goto graphic_error;
3402 p++;
3403 h = strtol(p, (char **)&p, 10);
3404 if (h <= 0)
3405 goto graphic_error;
3406 if (*p == 'x') {
3407 p++;
3408 depth = strtol(p, (char **)&p, 10);
3409 if (depth != 8 && depth != 15 && depth != 16 &&
3410 depth != 24 && depth != 32)
3411 goto graphic_error;
3412 } else if (*p == '\0') {
3413 depth = graphic_depth;
3414 } else {
3415 goto graphic_error;
3416 }
3417
3418 graphic_width = w;
3419 graphic_height = h;
3420 graphic_depth = depth;
3421 }
3422 break;
3423 case QEMU_OPTION_echr:
3424 {
3425 char *r;
3426 term_escape_char = strtol(optarg, &r, 0);
3427 if (r == optarg)
3428 printf("Bad argument to echr\n");
3429 break;
3430 }
3431 case QEMU_OPTION_monitor:
3432 default_monitor = 0;
3433 if (strncmp(optarg, "none", 4)) {
3434 monitor_parse(optarg, "readline", false);
3435 }
3436 break;
3437 case QEMU_OPTION_qmp:
3438 monitor_parse(optarg, "control", false);
3439 default_monitor = 0;
3440 break;
3441 case QEMU_OPTION_qmp_pretty:
3442 monitor_parse(optarg, "control", true);
3443 default_monitor = 0;
3444 break;
3445 case QEMU_OPTION_mon:
3446 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3447 true);
3448 if (!opts) {
3449 exit(1);
3450 }
3451 default_monitor = 0;
3452 break;
3453 case QEMU_OPTION_chardev:
3454 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3455 optarg, true);
3456 if (!opts) {
3457 exit(1);
3458 }
3459 break;
3460 case QEMU_OPTION_fsdev:
3461 olist = qemu_find_opts("fsdev");
3462 if (!olist) {
3463 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3464 exit(1);
3465 }
3466 opts = qemu_opts_parse_noisily(olist, optarg, true);
3467 if (!opts) {
3468 exit(1);
3469 }
3470 break;
3471 case QEMU_OPTION_virtfs: {
3472 QemuOpts *fsdev;
3473 QemuOpts *device;
3474 const char *writeout, *sock_fd, *socket;
3475
3476 olist = qemu_find_opts("virtfs");
3477 if (!olist) {
3478 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3479 exit(1);
3480 }
3481 opts = qemu_opts_parse_noisily(olist, optarg, true);
3482 if (!opts) {
3483 exit(1);
3484 }
3485
3486 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3487 qemu_opt_get(opts, "mount_tag") == NULL) {
3488 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3489 exit(1);
3490 }
3491 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3492 qemu_opt_get(opts, "mount_tag"),
3493 1, NULL);
3494 if (!fsdev) {
3495 fprintf(stderr, "duplicate fsdev id: %s\n",
3496 qemu_opt_get(opts, "mount_tag"));
3497 exit(1);
3498 }
3499
3500 writeout = qemu_opt_get(opts, "writeout");
3501 if (writeout) {
3502 #ifdef CONFIG_SYNC_FILE_RANGE
3503 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3504 #else
3505 fprintf(stderr, "writeout=immediate not supported on "
3506 "this platform\n");
3507 exit(1);
3508 #endif
3509 }
3510 qemu_opt_set(fsdev, "fsdriver",
3511 qemu_opt_get(opts, "fsdriver"), &error_abort);
3512 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3513 &error_abort);
3514 qemu_opt_set(fsdev, "security_model",
3515 qemu_opt_get(opts, "security_model"),
3516 &error_abort);
3517 socket = qemu_opt_get(opts, "socket");
3518 if (socket) {
3519 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3520 }
3521 sock_fd = qemu_opt_get(opts, "sock_fd");
3522 if (sock_fd) {
3523 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3524 }
3525
3526 qemu_opt_set_bool(fsdev, "readonly",
3527 qemu_opt_get_bool(opts, "readonly", 0),
3528 &error_abort);
3529 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3530 &error_abort);
3531 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3532 qemu_opt_set(device, "fsdev",
3533 qemu_opt_get(opts, "mount_tag"), &error_abort);
3534 qemu_opt_set(device, "mount_tag",
3535 qemu_opt_get(opts, "mount_tag"), &error_abort);
3536 break;
3537 }
3538 case QEMU_OPTION_virtfs_synth: {
3539 QemuOpts *fsdev;
3540 QemuOpts *device;
3541
3542 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3543 1, NULL);
3544 if (!fsdev) {
3545 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3546 exit(1);
3547 }
3548 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3549
3550 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3551 &error_abort);
3552 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3553 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3554 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3555 break;
3556 }
3557 case QEMU_OPTION_serial:
3558 add_device_config(DEV_SERIAL, optarg);
3559 default_serial = 0;
3560 if (strncmp(optarg, "mon:", 4) == 0) {
3561 default_monitor = 0;
3562 }
3563 break;
3564 case QEMU_OPTION_watchdog:
3565 if (watchdog) {
3566 fprintf(stderr,
3567 "qemu: only one watchdog option may be given\n");
3568 return 1;
3569 }
3570 watchdog = optarg;
3571 break;
3572 case QEMU_OPTION_watchdog_action:
3573 if (select_watchdog_action(optarg) == -1) {
3574 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3575 exit(1);
3576 }
3577 break;
3578 case QEMU_OPTION_virtiocon:
3579 add_device_config(DEV_VIRTCON, optarg);
3580 default_virtcon = 0;
3581 if (strncmp(optarg, "mon:", 4) == 0) {
3582 default_monitor = 0;
3583 }
3584 break;
3585 case QEMU_OPTION_parallel:
3586 add_device_config(DEV_PARALLEL, optarg);
3587 default_parallel = 0;
3588 if (strncmp(optarg, "mon:", 4) == 0) {
3589 default_monitor = 0;
3590 }
3591 break;
3592 case QEMU_OPTION_debugcon:
3593 add_device_config(DEV_DEBUGCON, optarg);
3594 break;
3595 case QEMU_OPTION_loadvm:
3596 loadvm = optarg;
3597 break;
3598 case QEMU_OPTION_full_screen:
3599 full_screen = 1;
3600 break;
3601 case QEMU_OPTION_no_frame:
3602 no_frame = 1;
3603 break;
3604 case QEMU_OPTION_alt_grab:
3605 alt_grab = 1;
3606 break;
3607 case QEMU_OPTION_ctrl_grab:
3608 ctrl_grab = 1;
3609 break;
3610 case QEMU_OPTION_no_quit:
3611 no_quit = 1;
3612 break;
3613 case QEMU_OPTION_sdl:
3614 #ifdef CONFIG_SDL
3615 display_type = DT_SDL;
3616 break;
3617 #else
3618 fprintf(stderr, "SDL support is disabled\n");
3619 exit(1);
3620 #endif
3621 case QEMU_OPTION_pidfile:
3622 pid_file = optarg;
3623 break;
3624 case QEMU_OPTION_win2k_hack:
3625 win2k_install_hack = 1;
3626 break;
3627 case QEMU_OPTION_rtc_td_hack: {
3628 static GlobalProperty slew_lost_ticks[] = {
3629 {
3630 .driver = "mc146818rtc",
3631 .property = "lost_tick_policy",
3632 .value = "slew",
3633 },
3634 { /* end of list */ }
3635 };
3636
3637 qdev_prop_register_global_list(slew_lost_ticks);
3638 break;
3639 }
3640 case QEMU_OPTION_acpitable:
3641 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3642 optarg, true);
3643 if (!opts) {
3644 exit(1);
3645 }
3646 do_acpitable_option(opts);
3647 break;
3648 case QEMU_OPTION_smbios:
3649 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3650 optarg, false);
3651 if (!opts) {
3652 exit(1);
3653 }
3654 do_smbios_option(opts);
3655 break;
3656 case QEMU_OPTION_fwcfg:
3657 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3658 optarg, true);
3659 if (opts == NULL) {
3660 exit(1);
3661 }
3662 break;
3663 case QEMU_OPTION_enable_kvm:
3664 olist = qemu_find_opts("machine");
3665 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3666 break;
3667 case QEMU_OPTION_M:
3668 case QEMU_OPTION_machine:
3669 olist = qemu_find_opts("machine");
3670 opts = qemu_opts_parse_noisily(olist, optarg, true);
3671 if (!opts) {
3672 exit(1);
3673 }
3674 break;
3675 case QEMU_OPTION_no_kvm:
3676 olist = qemu_find_opts("machine");
3677 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3678 break;
3679 case QEMU_OPTION_no_kvm_pit: {
3680 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3681 "separately.\n");
3682 break;
3683 }
3684 case QEMU_OPTION_no_kvm_pit_reinjection: {
3685 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3686 {
3687 .driver = "kvm-pit",
3688 .property = "lost_tick_policy",
3689 .value = "discard",
3690 },
3691 { /* end of list */ }
3692 };
3693
3694 fprintf(stderr, "Warning: option deprecated, use "
3695 "lost_tick_policy property of kvm-pit instead.\n");
3696 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3697 break;
3698 }
3699 case QEMU_OPTION_usb:
3700 olist = qemu_find_opts("machine");
3701 qemu_opts_parse_noisily(olist, "usb=on", false);
3702 break;
3703 case QEMU_OPTION_usbdevice:
3704 olist = qemu_find_opts("machine");
3705 qemu_opts_parse_noisily(olist, "usb=on", false);
3706 add_device_config(DEV_USB, optarg);
3707 break;
3708 case QEMU_OPTION_device:
3709 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3710 optarg, true)) {
3711 exit(1);
3712 }
3713 break;
3714 case QEMU_OPTION_smp:
3715 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3716 optarg, true)) {
3717 exit(1);
3718 }
3719 break;
3720 case QEMU_OPTION_vnc:
3721 {
3722 #ifdef CONFIG_VNC
3723 Error *local_err = NULL;
3724
3725 if (vnc_parse(optarg, &local_err) == NULL) {
3726 error_report_err(local_err);
3727 exit(1);
3728 }
3729 #else
3730 fprintf(stderr, "VNC support is disabled\n");
3731 exit(1);
3732 #endif
3733 break;
3734 }
3735 case QEMU_OPTION_no_acpi:
3736 acpi_enabled = 0;
3737 break;
3738 case QEMU_OPTION_no_hpet:
3739 no_hpet = 1;
3740 break;
3741 case QEMU_OPTION_balloon:
3742 if (balloon_parse(optarg) < 0) {
3743 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3744 exit(1);
3745 }
3746 break;
3747 case QEMU_OPTION_no_reboot:
3748 no_reboot = 1;
3749 break;
3750 case QEMU_OPTION_no_shutdown:
3751 no_shutdown = 1;
3752 break;
3753 case QEMU_OPTION_show_cursor:
3754 cursor_hide = 0;
3755 break;
3756 case QEMU_OPTION_uuid:
3757 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3758 fprintf(stderr, "Fail to parse UUID string."
3759 " Wrong format.\n");
3760 exit(1);
3761 }
3762 qemu_uuid_set = true;
3763 break;
3764 case QEMU_OPTION_option_rom:
3765 if (nb_option_roms >= MAX_OPTION_ROMS) {
3766 fprintf(stderr, "Too many option ROMs\n");
3767 exit(1);
3768 }
3769 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3770 optarg, true);
3771 if (!opts) {
3772 exit(1);
3773 }
3774 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3775 option_rom[nb_option_roms].bootindex =
3776 qemu_opt_get_number(opts, "bootindex", -1);
3777 if (!option_rom[nb_option_roms].name) {
3778 fprintf(stderr, "Option ROM file is not specified\n");
3779 exit(1);
3780 }
3781 nb_option_roms++;
3782 break;
3783 case QEMU_OPTION_semihosting:
3784 semihosting.enabled = true;
3785 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3786 break;
3787 case QEMU_OPTION_semihosting_config:
3788 semihosting.enabled = true;
3789 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3790 optarg, false);
3791 if (opts != NULL) {
3792 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3793 true);
3794 const char *target = qemu_opt_get(opts, "target");
3795 if (target != NULL) {
3796 if (strcmp("native", target) == 0) {
3797 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3798 } else if (strcmp("gdb", target) == 0) {
3799 semihosting.target = SEMIHOSTING_TARGET_GDB;
3800 } else if (strcmp("auto", target) == 0) {
3801 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3802 } else {
3803 fprintf(stderr, "Unsupported semihosting-config"
3804 " %s\n",
3805 optarg);
3806 exit(1);
3807 }
3808 } else {
3809 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3810 }
3811 /* Set semihosting argument count and vector */
3812 qemu_opt_foreach(opts, add_semihosting_arg,
3813 &semihosting, NULL);
3814 } else {
3815 fprintf(stderr, "Unsupported semihosting-config %s\n",
3816 optarg);
3817 exit(1);
3818 }
3819 break;
3820 case QEMU_OPTION_tdf:
3821 fprintf(stderr, "Warning: user space PIT time drift fix "
3822 "is no longer supported.\n");
3823 break;
3824 case QEMU_OPTION_name:
3825 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3826 optarg, true);
3827 if (!opts) {
3828 exit(1);
3829 }
3830 break;
3831 case QEMU_OPTION_prom_env:
3832 if (nb_prom_envs >= MAX_PROM_ENVS) {
3833 fprintf(stderr, "Too many prom variables\n");
3834 exit(1);
3835 }
3836 prom_envs[nb_prom_envs] = optarg;
3837 nb_prom_envs++;
3838 break;
3839 case QEMU_OPTION_old_param:
3840 old_param = 1;
3841 break;
3842 case QEMU_OPTION_clock:
3843 /* Clock options no longer exist. Keep this option for
3844 * backward compatibility.
3845 */
3846 break;
3847 case QEMU_OPTION_startdate:
3848 configure_rtc_date_offset(optarg, 1);
3849 break;
3850 case QEMU_OPTION_rtc:
3851 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3852 false);
3853 if (!opts) {
3854 exit(1);
3855 }
3856 configure_rtc(opts);
3857 break;
3858 case QEMU_OPTION_tb_size:
3859 tcg_tb_size = strtol(optarg, NULL, 0);
3860 if (tcg_tb_size < 0) {
3861 tcg_tb_size = 0;
3862 }
3863 break;
3864 case QEMU_OPTION_icount:
3865 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3866 optarg, true);
3867 if (!icount_opts) {
3868 exit(1);
3869 }
3870 break;
3871 case QEMU_OPTION_incoming:
3872 if (!incoming) {
3873 runstate_set(RUN_STATE_INMIGRATE);
3874 }
3875 incoming = optarg;
3876 break;
3877 case QEMU_OPTION_nodefaults:
3878 has_defaults = 0;
3879 break;
3880 case QEMU_OPTION_xen_domid:
3881 if (!(xen_available())) {
3882 printf("Option %s not supported for this target\n", popt->name);
3883 exit(1);
3884 }
3885 xen_domid = atoi(optarg);
3886 break;
3887 case QEMU_OPTION_xen_create:
3888 if (!(xen_available())) {
3889 printf("Option %s not supported for this target\n", popt->name);
3890 exit(1);
3891 }
3892 xen_mode = XEN_CREATE;
3893 break;
3894 case QEMU_OPTION_xen_attach:
3895 if (!(xen_available())) {
3896 printf("Option %s not supported for this target\n", popt->name);
3897 exit(1);
3898 }
3899 xen_mode = XEN_ATTACH;
3900 break;
3901 case QEMU_OPTION_trace:
3902 {
3903 opts = qemu_opts_parse_noisily(qemu_find_opts("trace"),
3904 optarg, false);
3905 if (!opts) {
3906 exit(1);
3907 }
3908 trace_events = qemu_opt_get(opts, "events");
3909 trace_file = qemu_opt_get(opts, "file");
3910 break;
3911 }
3912 case QEMU_OPTION_readconfig:
3913 {
3914 int ret = qemu_read_config_file(optarg);
3915 if (ret < 0) {
3916 fprintf(stderr, "read config %s: %s\n", optarg,
3917 strerror(-ret));
3918 exit(1);
3919 }
3920 break;
3921 }
3922 case QEMU_OPTION_spice:
3923 olist = qemu_find_opts("spice");
3924 if (!olist) {
3925 fprintf(stderr, "spice is not supported by this qemu build.\n");
3926 exit(1);
3927 }
3928 opts = qemu_opts_parse_noisily(olist, optarg, false);
3929 if (!opts) {
3930 exit(1);
3931 }
3932 display_remote++;
3933 break;
3934 case QEMU_OPTION_writeconfig:
3935 {
3936 FILE *fp;
3937 if (strcmp(optarg, "-") == 0) {
3938 fp = stdout;
3939 } else {
3940 fp = fopen(optarg, "w");
3941 if (fp == NULL) {
3942 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3943 exit(1);
3944 }
3945 }
3946 qemu_config_write(fp);
3947 if (fp != stdout) {
3948 fclose(fp);
3949 }
3950 break;
3951 }
3952 case QEMU_OPTION_qtest:
3953 qtest_chrdev = optarg;
3954 break;
3955 case QEMU_OPTION_qtest_log:
3956 qtest_log = optarg;
3957 break;
3958 case QEMU_OPTION_sandbox:
3959 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3960 optarg, true);
3961 if (!opts) {
3962 exit(1);
3963 }
3964 break;
3965 case QEMU_OPTION_add_fd:
3966 #ifndef _WIN32
3967 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3968 optarg, false);
3969 if (!opts) {
3970 exit(1);
3971 }
3972 #else
3973 error_report("File descriptor passing is disabled on this "
3974 "platform");
3975 exit(1);
3976 #endif
3977 break;
3978 case QEMU_OPTION_object:
3979 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3980 optarg, true);
3981 if (!opts) {
3982 exit(1);
3983 }
3984 break;
3985 case QEMU_OPTION_realtime:
3986 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3987 optarg, false);
3988 if (!opts) {
3989 exit(1);
3990 }
3991 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3992 break;
3993 case QEMU_OPTION_msg:
3994 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3995 false);
3996 if (!opts) {
3997 exit(1);
3998 }
3999 configure_msg(opts);
4000 break;
4001 case QEMU_OPTION_dump_vmstate:
4002 if (vmstate_dump_file) {
4003 fprintf(stderr, "qemu: only one '-dump-vmstate' "
4004 "option may be given\n");
4005 exit(1);
4006 }
4007 vmstate_dump_file = fopen(optarg, "w");
4008 if (vmstate_dump_file == NULL) {
4009 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
4010 exit(1);
4011 }
4012 break;
4013 default:
4014 os_parse_cmd_args(popt->index, optarg);
4015 }
4016 }
4017 }
4018
4019 opts = qemu_get_machine_opts();
4020 optarg = qemu_opt_get(opts, "type");
4021 if (optarg) {
4022 machine_class = machine_parse(optarg);
4023 }
4024
4025 if (machine_class == NULL) {
4026 fprintf(stderr, "No machine specified, and there is no default.\n"
4027 "Use -machine help to list supported machines!\n");
4028 exit(1);
4029 }
4030
4031 set_memory_options(&ram_slots, &maxram_size, machine_class);
4032
4033 loc_set_none();
4034
4035 os_daemonize();
4036
4037 if (qemu_init_main_loop(&main_loop_err)) {
4038 error_report_err(main_loop_err);
4039 exit(1);
4040 }
4041
4042 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4043 parse_sandbox, NULL, NULL)) {
4044 exit(1);
4045 }
4046
4047 if (qemu_opts_foreach(qemu_find_opts("name"),
4048 parse_name, NULL, NULL)) {
4049 exit(1);
4050 }
4051
4052 #ifndef _WIN32
4053 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4054 parse_add_fd, NULL, NULL)) {
4055 exit(1);
4056 }
4057
4058 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4059 cleanup_add_fd, NULL, NULL)) {
4060 exit(1);
4061 }
4062 #endif
4063
4064 current_machine = MACHINE(object_new(object_class_get_name(
4065 OBJECT_CLASS(machine_class))));
4066 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4067 exit(0);
4068 }
4069 object_property_add_child(object_get_root(), "machine",
4070 OBJECT(current_machine), &error_abort);
4071 cpu_exec_init_all();
4072
4073 if (machine_class->hw_version) {
4074 qemu_set_version(machine_class->hw_version);
4075 }
4076
4077 /* Init CPU def lists, based on config
4078 * - Must be called after all the qemu_read_config_file() calls
4079 * - Must be called before list_cpus()
4080 * - Must be called before machine->init()
4081 */
4082 cpudef_init();
4083
4084 if (cpu_model && is_help_option(cpu_model)) {
4085 list_cpus(stdout, &fprintf, cpu_model);
4086 exit(0);
4087 }
4088
4089 /* Open the logfile at this point and set the log mask if necessary.
4090 */
4091 if (log_file) {
4092 qemu_set_log_filename(log_file);
4093 }
4094
4095 if (log_mask) {
4096 int mask;
4097 mask = qemu_str_to_log_mask(log_mask);
4098 if (!mask) {
4099 qemu_print_log_usage(stdout);
4100 exit(1);
4101 }
4102 qemu_set_log(mask);
4103 }
4104
4105 if (!is_daemonized()) {
4106 if (!trace_init_backends(trace_events, trace_file)) {
4107 exit(1);
4108 }
4109 }
4110
4111 /* If no data_dir is specified then try to find it relative to the
4112 executable path. */
4113 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4114 data_dir[data_dir_idx] = os_find_datadir();
4115 if (data_dir[data_dir_idx] != NULL) {
4116 data_dir_idx++;
4117 }
4118 }
4119 /* If all else fails use the install path specified when building. */
4120 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4121 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4122 }
4123
4124 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4125
4126 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4127 if (max_cpus > machine_class->max_cpus) {
4128 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
4129 "supported by machine `%s' (%d)\n", max_cpus,
4130 machine_class->name, machine_class->max_cpus);
4131 exit(1);
4132 }
4133
4134 /*
4135 * Get the default machine options from the machine if it is not already
4136 * specified either by the configuration file or by the command line.
4137 */
4138 if (machine_class->default_machine_opts) {
4139 qemu_opts_set_defaults(qemu_find_opts("machine"),
4140 machine_class->default_machine_opts, 0);
4141 }
4142
4143 qemu_opts_foreach(qemu_find_opts("device"),
4144 default_driver_check, NULL, NULL);
4145 qemu_opts_foreach(qemu_find_opts("global"),
4146 default_driver_check, NULL, NULL);
4147
4148 if (!vga_model && !default_vga) {
4149 vga_interface_type = VGA_DEVICE;
4150 }
4151 if (!has_defaults || machine_class->no_serial) {
4152 default_serial = 0;
4153 }
4154 if (!has_defaults || machine_class->no_parallel) {
4155 default_parallel = 0;
4156 }
4157 if (!has_defaults || !machine_class->use_virtcon) {
4158 default_virtcon = 0;
4159 }
4160 if (!has_defaults || !machine_class->use_sclp) {
4161 default_sclp = 0;
4162 }
4163 if (!has_defaults || machine_class->no_floppy) {
4164 default_floppy = 0;
4165 }
4166 if (!has_defaults || machine_class->no_cdrom) {
4167 default_cdrom = 0;
4168 }
4169 if (!has_defaults || machine_class->no_sdcard) {
4170 default_sdcard = 0;
4171 }
4172 if (!has_defaults) {
4173 default_monitor = 0;
4174 default_net = 0;
4175 default_vga = 0;
4176 }
4177
4178 if (is_daemonized()) {
4179 /* According to documentation and historically, -nographic redirects
4180 * serial port, parallel port and monitor to stdio, which does not work
4181 * with -daemonize. We can redirect these to null instead, but since
4182 * -nographic is legacy, let's just error out.
4183 * We disallow -nographic only if all other ports are not redirected
4184 * explicitly, to not break existing legacy setups which uses
4185 * -nographic _and_ redirects all ports explicitly - this is valid
4186 * usage, -nographic is just a no-op in this case.
4187 */
4188 if (display_type == DT_NOGRAPHIC
4189 && (default_parallel || default_serial
4190 || default_monitor || default_virtcon)) {
4191 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4192 exit(1);
4193 }
4194 #ifdef CONFIG_CURSES
4195 if (display_type == DT_CURSES) {
4196 fprintf(stderr, "curses display can not be used with -daemonize\n");
4197 exit(1);
4198 }
4199 #endif
4200 }
4201
4202 if (display_type == DT_NOGRAPHIC) {
4203 if (default_parallel)
4204 add_device_config(DEV_PARALLEL, "null");
4205 if (default_serial && default_monitor) {
4206 add_device_config(DEV_SERIAL, "mon:stdio");
4207 } else if (default_virtcon && default_monitor) {
4208 add_device_config(DEV_VIRTCON, "mon:stdio");
4209 } else if (default_sclp && default_monitor) {
4210 add_device_config(DEV_SCLP, "mon:stdio");
4211 } else {
4212 if (default_serial)
4213 add_device_config(DEV_SERIAL, "stdio");
4214 if (default_virtcon)
4215 add_device_config(DEV_VIRTCON, "stdio");
4216 if (default_sclp) {
4217 add_device_config(DEV_SCLP, "stdio");
4218 }
4219 if (default_monitor)
4220 monitor_parse("stdio", "readline", false);
4221 }
4222 } else {
4223 if (default_serial)
4224 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4225 if (default_parallel)
4226 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4227 if (default_monitor)
4228 monitor_parse("vc:80Cx24C", "readline", false);
4229 if (default_virtcon)
4230 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4231 if (default_sclp) {
4232 add_device_config(DEV_SCLP, "vc:80Cx24C");
4233 }
4234 }
4235
4236 #if defined(CONFIG_VNC)
4237 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4238 display_remote++;
4239 }
4240 #endif
4241 if (display_type == DT_DEFAULT && !display_remote) {
4242 #if defined(CONFIG_GTK)
4243 display_type = DT_GTK;
4244 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4245 display_type = DT_SDL;
4246 #elif defined(CONFIG_VNC)
4247 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4248 show_vnc_port = 1;
4249 #else
4250 display_type = DT_NONE;
4251 #endif
4252 }
4253
4254 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4255 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4256 "for SDL, ignoring option\n");
4257 }
4258 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4259 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4260 "ignoring option\n");
4261 }
4262
4263 #if defined(CONFIG_GTK)
4264 if (display_type == DT_GTK) {
4265 early_gtk_display_init(request_opengl);
4266 }
4267 #endif
4268 #if defined(CONFIG_SDL)
4269 if (display_type == DT_SDL) {
4270 sdl_display_early_init(request_opengl);
4271 }
4272 #endif
4273 if (request_opengl == 1 && display_opengl == 0) {
4274 #if defined(CONFIG_OPENGL)
4275 fprintf(stderr, "OpenGL is not supported by the display.\n");
4276 #else
4277 fprintf(stderr, "QEMU was built without opengl support.\n");
4278 #endif
4279 exit(1);
4280 }
4281
4282 socket_init();
4283
4284 if (qemu_opts_foreach(qemu_find_opts("object"),
4285 object_create,
4286 object_create_initial, NULL)) {
4287 exit(1);
4288 }
4289
4290 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4291 chardev_init_func, NULL, NULL)) {
4292 exit(1);
4293 }
4294
4295 #ifdef CONFIG_VIRTFS
4296 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4297 fsdev_init_func, NULL, NULL)) {
4298 exit(1);
4299 }
4300 #endif
4301
4302 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4303 fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
4304 exit(1);
4305 }
4306
4307 if (qemu_opts_foreach(qemu_find_opts("device"),
4308 device_help_func, NULL, NULL)) {
4309 exit(0);
4310 }
4311
4312 if (qemu_opts_foreach(qemu_find_opts("object"),
4313 object_create,
4314 object_create_delayed, NULL)) {
4315 exit(1);
4316 }
4317
4318 machine_opts = qemu_get_machine_opts();
4319 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4320 NULL)) {
4321 object_unref(OBJECT(current_machine));
4322 exit(1);
4323 }
4324
4325 configure_accelerator(current_machine);
4326
4327 if (qtest_chrdev) {
4328 Error *local_err = NULL;
4329 qtest_init(qtest_chrdev, qtest_log, &local_err);
4330 if (local_err) {
4331 error_report_err(local_err);
4332 exit(1);
4333 }
4334 }
4335
4336 machine_opts = qemu_get_machine_opts();
4337 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4338 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4339 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4340 bios_name = qemu_opt_get(machine_opts, "firmware");
4341
4342 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4343 if (opts) {
4344 Error *local_err = NULL;
4345
4346 boot_order = qemu_opt_get(opts, "order");
4347 if (boot_order) {
4348 validate_bootdevices(boot_order, &local_err);
4349 if (local_err) {
4350 error_report_err(local_err);
4351 exit(1);
4352 }
4353 }
4354
4355 boot_once = qemu_opt_get(opts, "once");
4356 if (boot_once) {
4357 validate_bootdevices(boot_once, &local_err);
4358 if (local_err) {
4359 error_report_err(local_err);
4360 exit(1);
4361 }
4362 }
4363
4364 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4365 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4366 }
4367
4368 if (!boot_order) {
4369 boot_order = machine_class->default_boot_order;
4370 }
4371
4372 if (!kernel_cmdline) {
4373 kernel_cmdline = "";
4374 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4375 }
4376
4377 linux_boot = (kernel_filename != NULL);
4378
4379 if (!linux_boot && *kernel_cmdline != '\0') {
4380 fprintf(stderr, "-append only allowed with -kernel option\n");
4381 exit(1);
4382 }
4383
4384 if (!linux_boot && initrd_filename != NULL) {
4385 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4386 exit(1);
4387 }
4388
4389 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4390 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4391 exit(1);
4392 }
4393
4394 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4395 /* fall back to the -kernel/-append */
4396 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4397 }
4398
4399 os_set_line_buffering();
4400
4401 #ifdef CONFIG_SPICE
4402 /* spice needs the timers to be initialized by this point */
4403 qemu_spice_init();
4404 #endif
4405
4406 cpu_ticks_init();
4407 if (icount_opts) {
4408 if (kvm_enabled() || xen_enabled()) {
4409 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4410 exit(1);
4411 }
4412 configure_icount(icount_opts, &error_abort);
4413 qemu_opts_del(icount_opts);
4414 }
4415
4416 /* clean up network at qemu process termination */
4417 atexit(&net_cleanup);
4418
4419 if (net_init_clients() < 0) {
4420 exit(1);
4421 }
4422
4423 #ifdef CONFIG_TPM
4424 if (tpm_init() < 0) {
4425 exit(1);
4426 }
4427 #endif
4428
4429 /* init the bluetooth world */
4430 if (foreach_device_config(DEV_BT, bt_parse))
4431 exit(1);
4432
4433 if (!xen_enabled()) {
4434 /* On 32-bit hosts, QEMU is limited by virtual address space */
4435 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4436 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4437 exit(1);
4438 }
4439 }
4440
4441 blk_mig_init();
4442 ram_mig_init();
4443
4444 /* If the currently selected machine wishes to override the units-per-bus
4445 * property of its default HBA interface type, do so now. */
4446 if (machine_class->units_per_default_bus) {
4447 override_max_devs(machine_class->block_default_type,
4448 machine_class->units_per_default_bus);
4449 }
4450
4451 /* open the virtual block devices */
4452 if (snapshot)
4453 qemu_opts_foreach(qemu_find_opts("drive"),
4454 drive_enable_snapshot, NULL, NULL);
4455 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4456 &machine_class->block_default_type, NULL)) {
4457 exit(1);
4458 }
4459
4460 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4461 CDROM_OPTS);
4462 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4463 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4464
4465 parse_numa_opts(machine_class);
4466
4467 if (qemu_opts_foreach(qemu_find_opts("mon"),
4468 mon_init_func, NULL, NULL)) {
4469 exit(1);
4470 }
4471
4472 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4473 exit(1);
4474 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4475 exit(1);
4476 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4477 exit(1);
4478 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4479 exit(1);
4480 }
4481 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4482 exit(1);
4483
4484 /* If no default VGA is requested, the default is "none". */
4485 if (default_vga) {
4486 if (machine_class->default_display) {
4487 vga_model = machine_class->default_display;
4488 } else if (cirrus_vga_available()) {
4489 vga_model = "cirrus";
4490 } else if (vga_available()) {
4491 vga_model = "std";
4492 }
4493 }
4494 if (vga_model) {
4495 select_vgahw(vga_model);
4496 }
4497
4498 if (watchdog) {
4499 i = select_watchdog(watchdog);
4500 if (i > 0)
4501 exit (i == 1 ? 1 : 0);
4502 }
4503
4504 if (machine_class->compat_props) {
4505 qdev_prop_register_global_list(machine_class->compat_props);
4506 }
4507 qemu_add_globals();
4508
4509 qdev_machine_init();
4510
4511 current_machine->ram_size = ram_size;
4512 current_machine->maxram_size = maxram_size;
4513 current_machine->ram_slots = ram_slots;
4514 current_machine->boot_order = boot_order;
4515 current_machine->cpu_model = cpu_model;
4516
4517 machine_class->init(current_machine);
4518
4519 realtime_init();
4520
4521 audio_init();
4522
4523 cpu_synchronize_all_post_init();
4524
4525 numa_post_machine_init();
4526
4527 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4528 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4529 exit(1);
4530 }
4531
4532 /* init USB devices */
4533 if (usb_enabled()) {
4534 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4535 exit(1);
4536 }
4537
4538 /* Check if IGD GFX passthrough. */
4539 igd_gfx_passthru();
4540
4541 /* init generic devices */
4542 if (qemu_opts_foreach(qemu_find_opts("device"),
4543 device_init_func, NULL, NULL)) {
4544 exit(1);
4545 }
4546
4547 /* Did we create any drives that we failed to create a device for? */
4548 drive_check_orphaned();
4549
4550 net_check_clients();
4551
4552 if (boot_once) {
4553 Error *local_err = NULL;
4554 qemu_boot_set(boot_once, &local_err);
4555 if (local_err) {
4556 error_report("%s", error_get_pretty(local_err));
4557 exit(1);
4558 }
4559 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4560 }
4561
4562 ds = init_displaystate();
4563
4564 /* init local displays */
4565 switch (display_type) {
4566 case DT_NOGRAPHIC:
4567 (void)ds; /* avoid warning if no display is configured */
4568 break;
4569 #if defined(CONFIG_CURSES)
4570 case DT_CURSES:
4571 curses_display_init(ds, full_screen);
4572 break;
4573 #endif
4574 #if defined(CONFIG_SDL)
4575 case DT_SDL:
4576 sdl_display_init(ds, full_screen, no_frame);
4577 break;
4578 #elif defined(CONFIG_COCOA)
4579 case DT_SDL:
4580 cocoa_display_init(ds, full_screen);
4581 break;
4582 #endif
4583 #if defined(CONFIG_GTK)
4584 case DT_GTK:
4585 gtk_display_init(ds, full_screen, grab_on_hover);
4586 break;
4587 #endif
4588 default:
4589 break;
4590 }
4591
4592 /* must be after terminal init, SDL library changes signal handlers */
4593 os_setup_signal_handling();
4594
4595 #ifdef CONFIG_VNC
4596 /* init remote displays */
4597 qemu_opts_foreach(qemu_find_opts("vnc"),
4598 vnc_init_func, NULL, NULL);
4599 if (show_vnc_port) {
4600 char *ret = vnc_display_local_addr("default");
4601 printf("VNC server running on `%s'\n", ret);
4602 g_free(ret);
4603 }
4604 #endif
4605 #ifdef CONFIG_SPICE
4606 if (using_spice) {
4607 qemu_spice_display_init();
4608 }
4609 #endif
4610
4611 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4612 exit(1);
4613 }
4614
4615 qdev_machine_creation_done();
4616
4617 /* TODO: once all bus devices are qdevified, this should be done
4618 * when bus is created by qdev.c */
4619 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4620 qemu_run_machine_init_done_notifiers();
4621
4622 if (rom_check_and_register_reset() != 0) {
4623 fprintf(stderr, "rom check and register reset failed\n");
4624 exit(1);
4625 }
4626
4627 qemu_system_reset(VMRESET_SILENT);
4628 register_global_state();
4629 if (loadvm) {
4630 if (load_vmstate(loadvm) < 0) {
4631 autostart = 0;
4632 }
4633 }
4634
4635 qdev_prop_check_globals();
4636 if (vmstate_dump_file) {
4637 /* dump and exit */
4638 dump_vmstate_json_to_file(vmstate_dump_file);
4639 return 0;
4640 }
4641
4642 if (incoming) {
4643 Error *local_err = NULL;
4644 qemu_start_incoming_migration(incoming, &local_err);
4645 if (local_err) {
4646 error_report("-incoming %s: %s", incoming,
4647 error_get_pretty(local_err));
4648 error_free(local_err);
4649 exit(1);
4650 }
4651 } else if (autostart) {
4652 vm_start();
4653 }
4654
4655 os_setup_post();
4656
4657 if (is_daemonized()) {
4658 if (!trace_init_backends(trace_events, trace_file)) {
4659 exit(1);
4660 }
4661 }
4662
4663 main_loop();
4664 bdrv_close_all();
4665 pause_all_vcpus();
4666 res_free();
4667 #ifdef CONFIG_TPM
4668 tpm_cleanup();
4669 #endif
4670
4671 return 0;
4672 }
AR7 emulation for QEMU