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target-i386: introduce new raise_exception functions
[qemu/ar7.git] / vl.c
blob066a080db5203e29dd27164ecd6ea0a9b7f2559f
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include <unistd.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <time.h>
28 #include <errno.h>
29 #include <sys/time.h>
30
31 #include "config-host.h"
32
33 #ifdef CONFIG_SECCOMP
34 #include "sysemu/seccomp.h"
35 #endif
36
37 #if defined(CONFIG_VDE)
38 #include <libvdeplug.h>
39 #endif
40
41 #ifdef CONFIG_SDL
42 #if defined(__APPLE__) || defined(main)
43 #include <SDL.h>
44 int qemu_main(int argc, char **argv, char **envp);
45 int main(int argc, char **argv)
46 {
47 return qemu_main(argc, argv, NULL);
48 }
49 #undef main
50 #define main qemu_main
51 #endif
52 #endif /* CONFIG_SDL */
53
54 #ifdef CONFIG_COCOA
55 #undef main
56 #define main qemu_main
57 #endif /* CONFIG_COCOA */
58
59 #include <glib.h>
60
61 #include "qemu/error-report.h"
62 #include "qemu/sockets.h"
63 #include "hw/hw.h"
64 #include "hw/boards.h"
65 #include "sysemu/accel.h"
66 #include "hw/usb.h"
67 #include "hw/i386/pc.h"
68 #include "hw/isa/isa.h"
69 #include "hw/bt.h"
70 #include "sysemu/watchdog.h"
71 #include "hw/smbios/smbios.h"
72 #include "hw/xen/xen.h"
73 #include "hw/qdev.h"
74 #include "hw/loader.h"
75 #include "monitor/qdev.h"
76 #include "sysemu/bt.h"
77 #include "net/net.h"
78 #include "net/slirp.h"
79 #include "monitor/monitor.h"
80 #include "ui/console.h"
81 #include "sysemu/sysemu.h"
82 #include "sysemu/numa.h"
83 #include "exec/gdbstub.h"
84 #include "qemu/timer.h"
85 #include "sysemu/char.h"
86 #include "qemu/bitmap.h"
87 #include "sysemu/blockdev.h"
88 #include "hw/block/block.h"
89 #include "migration/block.h"
90 #include "sysemu/tpm.h"
91 #include "sysemu/dma.h"
92 #include "audio/audio.h"
93 #include "migration/migration.h"
94 #include "sysemu/kvm.h"
95 #include "qapi/qmp/qjson.h"
96 #include "qemu/option.h"
97 #include "qemu/config-file.h"
98 #include "qemu-options.h"
99 #include "qmp-commands.h"
100 #include "qemu/main-loop.h"
101 #ifdef CONFIG_VIRTFS
102 #include "fsdev/qemu-fsdev.h"
103 #endif
104 #include "sysemu/qtest.h"
105
106 #include "disas/disas.h"
107
108
109 #include "slirp/libslirp.h"
110
111 #include "trace.h"
112 #include "trace/control.h"
113 #include "qemu/queue.h"
114 #include "sysemu/cpus.h"
115 #include "sysemu/arch_init.h"
116 #include "qemu/osdep.h"
117
118 #include "ui/qemu-spice.h"
119 #include "qapi/string-input-visitor.h"
120 #include "qapi/opts-visitor.h"
121 #include "qom/object_interfaces.h"
122 #include "qapi-event.h"
123 #include "exec/semihost.h"
124 #include "crypto/init.h"
125
126 #define MAX_VIRTIO_CONSOLES 1
127 #define MAX_SCLP_CONSOLES 1
128
129 static const char *data_dir[16];
130 static int data_dir_idx;
131 const char *bios_name = NULL;
132 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
133 DisplayType display_type = DT_DEFAULT;
134 int request_opengl = -1;
135 int display_opengl;
136 static int display_remote;
137 const char* keyboard_layout = NULL;
138 ram_addr_t ram_size;
139 const char *mem_path = NULL;
140 int mem_prealloc = 0; /* force preallocation of physical target memory */
141 bool enable_mlock = false;
142 int nb_nics;
143 NICInfo nd_table[MAX_NICS];
144 int autostart;
145 static int rtc_utc = 1;
146 static int rtc_date_offset = -1; /* -1 means no change */
147 QEMUClockType rtc_clock;
148 int vga_interface_type = VGA_NONE;
149 static int full_screen = 0;
150 static int no_frame = 0;
151 int no_quit = 0;
152 #ifdef CONFIG_GTK
153 static bool grab_on_hover;
154 #endif
155 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
156 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
157 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
158 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
159 int win2k_install_hack = 0;
160 int singlestep = 0;
161 int smp_cpus = 1;
162 int max_cpus = 0;
163 int smp_cores = 1;
164 int smp_threads = 1;
165 int acpi_enabled = 1;
166 int no_hpet = 0;
167 int fd_bootchk = 1;
168 static int no_reboot;
169 int no_shutdown = 0;
170 int cursor_hide = 1;
171 int graphic_rotate = 0;
172 const char *watchdog;
173 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
174 int nb_option_roms;
175 int old_param = 0;
176 const char *qemu_name;
177 int alt_grab = 0;
178 int ctrl_grab = 0;
179 unsigned int nb_prom_envs = 0;
180 const char *prom_envs[MAX_PROM_ENVS];
181 int boot_menu;
182 bool boot_strict;
183 uint8_t *boot_splash_filedata;
184 size_t boot_splash_filedata_size;
185 uint8_t qemu_extra_params_fw[2];
186
187 int icount_align_option;
188
189 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
190 * little-endian "wire format" described in the SMBIOS 2.6 specification.
191 */
192 uint8_t qemu_uuid[16];
193 bool qemu_uuid_set;
194
195 static NotifierList exit_notifiers =
196 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
197
198 static NotifierList machine_init_done_notifiers =
199 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
200
201 bool xen_allowed;
202 uint32_t xen_domid;
203 enum xen_mode xen_mode = XEN_EMULATE;
204
205 static int has_defaults = 1;
206 static int default_serial = 1;
207 static int default_parallel = 1;
208 static int default_virtcon = 1;
209 static int default_sclp = 1;
210 static int default_monitor = 1;
211 static int default_floppy = 1;
212 static int default_cdrom = 1;
213 static int default_sdcard = 1;
214 static int default_vga = 1;
215
216 static struct {
217 const char *driver;
218 int *flag;
219 } default_list[] = {
220 { .driver = "isa-serial", .flag = &default_serial },
221 { .driver = "isa-parallel", .flag = &default_parallel },
222 { .driver = "isa-fdc", .flag = &default_floppy },
223 { .driver = "ide-cd", .flag = &default_cdrom },
224 { .driver = "ide-hd", .flag = &default_cdrom },
225 { .driver = "ide-drive", .flag = &default_cdrom },
226 { .driver = "scsi-cd", .flag = &default_cdrom },
227 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
228 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
229 { .driver = "virtio-serial", .flag = &default_virtcon },
230 { .driver = "VGA", .flag = &default_vga },
231 { .driver = "isa-vga", .flag = &default_vga },
232 { .driver = "cirrus-vga", .flag = &default_vga },
233 { .driver = "isa-cirrus-vga", .flag = &default_vga },
234 { .driver = "vmware-svga", .flag = &default_vga },
235 { .driver = "qxl-vga", .flag = &default_vga },
236 { .driver = "virtio-vga", .flag = &default_vga },
237 };
238
239 static QemuOptsList qemu_rtc_opts = {
240 .name = "rtc",
241 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
242 .desc = {
243 {
244 .name = "base",
245 .type = QEMU_OPT_STRING,
246 },{
247 .name = "clock",
248 .type = QEMU_OPT_STRING,
249 },{
250 .name = "driftfix",
251 .type = QEMU_OPT_STRING,
252 },
253 { /* end of list */ }
254 },
255 };
256
257 static QemuOptsList qemu_sandbox_opts = {
258 .name = "sandbox",
259 .implied_opt_name = "enable",
260 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
261 .desc = {
262 {
263 .name = "enable",
264 .type = QEMU_OPT_BOOL,
265 },
266 { /* end of list */ }
267 },
268 };
269
270 static QemuOptsList qemu_trace_opts = {
271 .name = "trace",
272 .implied_opt_name = "trace",
273 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
274 .desc = {
275 {
276 .name = "events",
277 .type = QEMU_OPT_STRING,
278 },{
279 .name = "file",
280 .type = QEMU_OPT_STRING,
281 },
282 { /* end of list */ }
283 },
284 };
285
286 static QemuOptsList qemu_option_rom_opts = {
287 .name = "option-rom",
288 .implied_opt_name = "romfile",
289 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
290 .desc = {
291 {
292 .name = "bootindex",
293 .type = QEMU_OPT_NUMBER,
294 }, {
295 .name = "romfile",
296 .type = QEMU_OPT_STRING,
297 },
298 { /* end of list */ }
299 },
300 };
301
302 static QemuOptsList qemu_machine_opts = {
303 .name = "machine",
304 .implied_opt_name = "type",
305 .merge_lists = true,
306 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
307 .desc = {
308 /*
309 * no elements => accept any
310 * sanity checking will happen later
311 * when setting machine properties
312 */
313 { }
314 },
315 };
316
317 static QemuOptsList qemu_boot_opts = {
318 .name = "boot-opts",
319 .implied_opt_name = "order",
320 .merge_lists = true,
321 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
322 .desc = {
323 {
324 .name = "order",
325 .type = QEMU_OPT_STRING,
326 }, {
327 .name = "once",
328 .type = QEMU_OPT_STRING,
329 }, {
330 .name = "menu",
331 .type = QEMU_OPT_BOOL,
332 }, {
333 .name = "splash",
334 .type = QEMU_OPT_STRING,
335 }, {
336 .name = "splash-time",
337 .type = QEMU_OPT_STRING,
338 }, {
339 .name = "reboot-timeout",
340 .type = QEMU_OPT_STRING,
341 }, {
342 .name = "strict",
343 .type = QEMU_OPT_BOOL,
344 },
345 { /*End of list */ }
346 },
347 };
348
349 static QemuOptsList qemu_add_fd_opts = {
350 .name = "add-fd",
351 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
352 .desc = {
353 {
354 .name = "fd",
355 .type = QEMU_OPT_NUMBER,
356 .help = "file descriptor of which a duplicate is added to fd set",
357 },{
358 .name = "set",
359 .type = QEMU_OPT_NUMBER,
360 .help = "ID of the fd set to add fd to",
361 },{
362 .name = "opaque",
363 .type = QEMU_OPT_STRING,
364 .help = "free-form string used to describe fd",
365 },
366 { /* end of list */ }
367 },
368 };
369
370 static QemuOptsList qemu_object_opts = {
371 .name = "object",
372 .implied_opt_name = "qom-type",
373 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
374 .desc = {
375 { }
376 },
377 };
378
379 static QemuOptsList qemu_tpmdev_opts = {
380 .name = "tpmdev",
381 .implied_opt_name = "type",
382 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
383 .desc = {
384 /* options are defined in the TPM backends */
385 { /* end of list */ }
386 },
387 };
388
389 static QemuOptsList qemu_realtime_opts = {
390 .name = "realtime",
391 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
392 .desc = {
393 {
394 .name = "mlock",
395 .type = QEMU_OPT_BOOL,
396 },
397 { /* end of list */ }
398 },
399 };
400
401 static QemuOptsList qemu_msg_opts = {
402 .name = "msg",
403 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
404 .desc = {
405 {
406 .name = "timestamp",
407 .type = QEMU_OPT_BOOL,
408 },
409 { /* end of list */ }
410 },
411 };
412
413 static QemuOptsList qemu_name_opts = {
414 .name = "name",
415 .implied_opt_name = "guest",
416 .merge_lists = true,
417 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
418 .desc = {
419 {
420 .name = "guest",
421 .type = QEMU_OPT_STRING,
422 .help = "Sets the name of the guest.\n"
423 "This name will be displayed in the SDL window caption.\n"
424 "The name will also be used for the VNC server",
425 }, {
426 .name = "process",
427 .type = QEMU_OPT_STRING,
428 .help = "Sets the name of the QEMU process, as shown in top etc",
429 }, {
430 .name = "debug-threads",
431 .type = QEMU_OPT_BOOL,
432 .help = "When enabled, name the individual threads; defaults off.\n"
433 "NOTE: The thread names are for debugging and not a\n"
434 "stable API.",
435 },
436 { /* End of list */ }
437 },
438 };
439
440 static QemuOptsList qemu_mem_opts = {
441 .name = "memory",
442 .implied_opt_name = "size",
443 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
444 .merge_lists = true,
445 .desc = {
446 {
447 .name = "size",
448 .type = QEMU_OPT_SIZE,
449 },
450 {
451 .name = "slots",
452 .type = QEMU_OPT_NUMBER,
453 },
454 {
455 .name = "maxmem",
456 .type = QEMU_OPT_SIZE,
457 },
458 { /* end of list */ }
459 },
460 };
461
462 static QemuOptsList qemu_icount_opts = {
463 .name = "icount",
464 .implied_opt_name = "shift",
465 .merge_lists = true,
466 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
467 .desc = {
468 {
469 .name = "shift",
470 .type = QEMU_OPT_STRING,
471 }, {
472 .name = "align",
473 .type = QEMU_OPT_BOOL,
474 }, {
475 .name = "sleep",
476 .type = QEMU_OPT_BOOL,
477 },
478 { /* end of list */ }
479 },
480 };
481
482 static QemuOptsList qemu_semihosting_config_opts = {
483 .name = "semihosting-config",
484 .implied_opt_name = "enable",
485 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
486 .desc = {
487 {
488 .name = "enable",
489 .type = QEMU_OPT_BOOL,
490 }, {
491 .name = "target",
492 .type = QEMU_OPT_STRING,
493 }, {
494 .name = "arg",
495 .type = QEMU_OPT_STRING,
496 },
497 { /* end of list */ }
498 },
499 };
500
501 static QemuOptsList qemu_fw_cfg_opts = {
502 .name = "fw_cfg",
503 .implied_opt_name = "name",
504 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
505 .desc = {
506 {
507 .name = "name",
508 .type = QEMU_OPT_STRING,
509 .help = "Sets the fw_cfg name of the blob to be inserted",
510 }, {
511 .name = "file",
512 .type = QEMU_OPT_STRING,
513 .help = "Sets the name of the file from which\n"
514 "the fw_cfg blob will be loaded",
515 },
516 { /* end of list */ }
517 },
518 };
519
520 /**
521 * Get machine options
522 *
523 * Returns: machine options (never null).
524 */
525 QemuOpts *qemu_get_machine_opts(void)
526 {
527 return qemu_find_opts_singleton("machine");
528 }
529
530 const char *qemu_get_vm_name(void)
531 {
532 return qemu_name;
533 }
534
535 static void res_free(void)
536 {
537 g_free(boot_splash_filedata);
538 boot_splash_filedata = NULL;
539 }
540
541 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
542 {
543 const char *driver = qemu_opt_get(opts, "driver");
544 int i;
545
546 if (!driver)
547 return 0;
548 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
549 if (strcmp(default_list[i].driver, driver) != 0)
550 continue;
551 *(default_list[i].flag) = 0;
552 }
553 return 0;
554 }
555
556 /***********************************************************/
557 /* QEMU state */
558
559 static RunState current_run_state = RUN_STATE_PRELAUNCH;
560
561 /* We use RUN_STATE_MAX but any invalid value will do */
562 static RunState vmstop_requested = RUN_STATE_MAX;
563 static QemuMutex vmstop_lock;
564
565 typedef struct {
566 RunState from;
567 RunState to;
568 } RunStateTransition;
569
570 static const RunStateTransition runstate_transitions_def[] = {
571 /* from -> to */
572 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
573 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
574
575 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
576 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
577 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
578 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
579 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
580 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
581 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
582 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
583
584 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
585 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
586
587 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
588 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
589
590 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
591 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
592
593 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
594 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
595
596 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
597 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
598 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
599
600 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
601 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
602
603 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
604
605 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
606 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
607 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
608 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
609 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
610 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
611 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
612 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
613 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
614 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
615
616 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
617
618 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
619 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
620
621 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
622 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
623 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
624 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
625
626 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
627 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
628
629 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
630 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
631
632 { RUN_STATE_MAX, RUN_STATE_MAX },
633 };
634
635 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
636
637 bool runstate_check(RunState state)
638 {
639 return current_run_state == state;
640 }
641
642 bool runstate_store(char *str, size_t size)
643 {
644 const char *state = RunState_lookup[current_run_state];
645 size_t len = strlen(state) + 1;
646
647 if (len > size) {
648 return false;
649 }
650 memcpy(str, state, len);
651 return true;
652 }
653
654 static void runstate_init(void)
655 {
656 const RunStateTransition *p;
657
658 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
659 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
660 runstate_valid_transitions[p->from][p->to] = true;
661 }
662
663 qemu_mutex_init(&vmstop_lock);
664 }
665
666 /* This function will abort() on invalid state transitions */
667 void runstate_set(RunState new_state)
668 {
669 assert(new_state < RUN_STATE_MAX);
670
671 if (!runstate_valid_transitions[current_run_state][new_state]) {
672 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
673 RunState_lookup[current_run_state],
674 RunState_lookup[new_state]);
675 abort();
676 }
677 trace_runstate_set(new_state);
678 current_run_state = new_state;
679 }
680
681 int runstate_is_running(void)
682 {
683 return runstate_check(RUN_STATE_RUNNING);
684 }
685
686 bool runstate_needs_reset(void)
687 {
688 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
689 runstate_check(RUN_STATE_SHUTDOWN);
690 }
691
692 StatusInfo *qmp_query_status(Error **errp)
693 {
694 StatusInfo *info = g_malloc0(sizeof(*info));
695
696 info->running = runstate_is_running();
697 info->singlestep = singlestep;
698 info->status = current_run_state;
699
700 return info;
701 }
702
703 static bool qemu_vmstop_requested(RunState *r)
704 {
705 qemu_mutex_lock(&vmstop_lock);
706 *r = vmstop_requested;
707 vmstop_requested = RUN_STATE_MAX;
708 qemu_mutex_unlock(&vmstop_lock);
709 return *r < RUN_STATE_MAX;
710 }
711
712 void qemu_system_vmstop_request_prepare(void)
713 {
714 qemu_mutex_lock(&vmstop_lock);
715 }
716
717 void qemu_system_vmstop_request(RunState state)
718 {
719 vmstop_requested = state;
720 qemu_mutex_unlock(&vmstop_lock);
721 qemu_notify_event();
722 }
723
724 void vm_start(void)
725 {
726 RunState requested;
727
728 qemu_vmstop_requested(&requested);
729 if (runstate_is_running() && requested == RUN_STATE_MAX) {
730 return;
731 }
732
733 /* Ensure that a STOP/RESUME pair of events is emitted if a
734 * vmstop request was pending. The BLOCK_IO_ERROR event, for
735 * example, according to documentation is always followed by
736 * the STOP event.
737 */
738 if (runstate_is_running()) {
739 qapi_event_send_stop(&error_abort);
740 } else {
741 cpu_enable_ticks();
742 runstate_set(RUN_STATE_RUNNING);
743 vm_state_notify(1, RUN_STATE_RUNNING);
744 resume_all_vcpus();
745 }
746
747 qapi_event_send_resume(&error_abort);
748 }
749
750
751 /***********************************************************/
752 /* real time host monotonic timer */
753
754 static time_t qemu_time(void)
755 {
756 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
757 }
758
759 /***********************************************************/
760 /* host time/date access */
761 void qemu_get_timedate(struct tm *tm, int offset)
762 {
763 time_t ti = qemu_time();
764
765 ti += offset;
766 if (rtc_date_offset == -1) {
767 if (rtc_utc)
768 gmtime_r(&ti, tm);
769 else
770 localtime_r(&ti, tm);
771 } else {
772 ti -= rtc_date_offset;
773 gmtime_r(&ti, tm);
774 }
775 }
776
777 int qemu_timedate_diff(struct tm *tm)
778 {
779 time_t seconds;
780
781 if (rtc_date_offset == -1)
782 if (rtc_utc)
783 seconds = mktimegm(tm);
784 else {
785 struct tm tmp = *tm;
786 tmp.tm_isdst = -1; /* use timezone to figure it out */
787 seconds = mktime(&tmp);
788 }
789 else
790 seconds = mktimegm(tm) + rtc_date_offset;
791
792 return seconds - qemu_time();
793 }
794
795 static void configure_rtc_date_offset(const char *startdate, int legacy)
796 {
797 time_t rtc_start_date;
798 struct tm tm;
799
800 if (!strcmp(startdate, "now") && legacy) {
801 rtc_date_offset = -1;
802 } else {
803 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
804 &tm.tm_year,
805 &tm.tm_mon,
806 &tm.tm_mday,
807 &tm.tm_hour,
808 &tm.tm_min,
809 &tm.tm_sec) == 6) {
810 /* OK */
811 } else if (sscanf(startdate, "%d-%d-%d",
812 &tm.tm_year,
813 &tm.tm_mon,
814 &tm.tm_mday) == 3) {
815 tm.tm_hour = 0;
816 tm.tm_min = 0;
817 tm.tm_sec = 0;
818 } else {
819 goto date_fail;
820 }
821 tm.tm_year -= 1900;
822 tm.tm_mon--;
823 rtc_start_date = mktimegm(&tm);
824 if (rtc_start_date == -1) {
825 date_fail:
826 fprintf(stderr, "Invalid date format. Valid formats are:\n"
827 "'2006-06-17T16:01:21' or '2006-06-17'\n");
828 exit(1);
829 }
830 rtc_date_offset = qemu_time() - rtc_start_date;
831 }
832 }
833
834 static void configure_rtc(QemuOpts *opts)
835 {
836 const char *value;
837
838 value = qemu_opt_get(opts, "base");
839 if (value) {
840 if (!strcmp(value, "utc")) {
841 rtc_utc = 1;
842 } else if (!strcmp(value, "localtime")) {
843 rtc_utc = 0;
844 } else {
845 configure_rtc_date_offset(value, 0);
846 }
847 }
848 value = qemu_opt_get(opts, "clock");
849 if (value) {
850 if (!strcmp(value, "host")) {
851 rtc_clock = QEMU_CLOCK_HOST;
852 } else if (!strcmp(value, "rt")) {
853 rtc_clock = QEMU_CLOCK_REALTIME;
854 } else if (!strcmp(value, "vm")) {
855 rtc_clock = QEMU_CLOCK_VIRTUAL;
856 } else {
857 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
858 exit(1);
859 }
860 }
861 value = qemu_opt_get(opts, "driftfix");
862 if (value) {
863 if (!strcmp(value, "slew")) {
864 static GlobalProperty slew_lost_ticks[] = {
865 {
866 .driver = "mc146818rtc",
867 .property = "lost_tick_policy",
868 .value = "slew",
869 },
870 { /* end of list */ }
871 };
872
873 qdev_prop_register_global_list(slew_lost_ticks);
874 } else if (!strcmp(value, "none")) {
875 /* discard is default */
876 } else {
877 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
878 exit(1);
879 }
880 }
881 }
882
883 /***********************************************************/
884 /* Bluetooth support */
885 static int nb_hcis;
886 static int cur_hci;
887 static struct HCIInfo *hci_table[MAX_NICS];
888
889 struct HCIInfo *qemu_next_hci(void)
890 {
891 if (cur_hci == nb_hcis)
892 return &null_hci;
893
894 return hci_table[cur_hci++];
895 }
896
897 static int bt_hci_parse(const char *str)
898 {
899 struct HCIInfo *hci;
900 bdaddr_t bdaddr;
901
902 if (nb_hcis >= MAX_NICS) {
903 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
904 return -1;
905 }
906
907 hci = hci_init(str);
908 if (!hci)
909 return -1;
910
911 bdaddr.b[0] = 0x52;
912 bdaddr.b[1] = 0x54;
913 bdaddr.b[2] = 0x00;
914 bdaddr.b[3] = 0x12;
915 bdaddr.b[4] = 0x34;
916 bdaddr.b[5] = 0x56 + nb_hcis;
917 hci->bdaddr_set(hci, bdaddr.b);
918
919 hci_table[nb_hcis++] = hci;
920
921 return 0;
922 }
923
924 static void bt_vhci_add(int vlan_id)
925 {
926 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
927
928 if (!vlan->slave)
929 fprintf(stderr, "qemu: warning: adding a VHCI to "
930 "an empty scatternet %i\n", vlan_id);
931
932 bt_vhci_init(bt_new_hci(vlan));
933 }
934
935 static struct bt_device_s *bt_device_add(const char *opt)
936 {
937 struct bt_scatternet_s *vlan;
938 int vlan_id = 0;
939 char *endp = strstr(opt, ",vlan=");
940 int len = (endp ? endp - opt : strlen(opt)) + 1;
941 char devname[10];
942
943 pstrcpy(devname, MIN(sizeof(devname), len), opt);
944
945 if (endp) {
946 vlan_id = strtol(endp + 6, &endp, 0);
947 if (*endp) {
948 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
949 return 0;
950 }
951 }
952
953 vlan = qemu_find_bt_vlan(vlan_id);
954
955 if (!vlan->slave)
956 fprintf(stderr, "qemu: warning: adding a slave device to "
957 "an empty scatternet %i\n", vlan_id);
958
959 if (!strcmp(devname, "keyboard"))
960 return bt_keyboard_init(vlan);
961
962 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
963 return 0;
964 }
965
966 static int bt_parse(const char *opt)
967 {
968 const char *endp, *p;
969 int vlan;
970
971 if (strstart(opt, "hci", &endp)) {
972 if (!*endp || *endp == ',') {
973 if (*endp)
974 if (!strstart(endp, ",vlan=", 0))
975 opt = endp + 1;
976
977 return bt_hci_parse(opt);
978 }
979 } else if (strstart(opt, "vhci", &endp)) {
980 if (!*endp || *endp == ',') {
981 if (*endp) {
982 if (strstart(endp, ",vlan=", &p)) {
983 vlan = strtol(p, (char **) &endp, 0);
984 if (*endp) {
985 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
986 return 1;
987 }
988 } else {
989 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
990 return 1;
991 }
992 } else
993 vlan = 0;
994
995 bt_vhci_add(vlan);
996 return 0;
997 }
998 } else if (strstart(opt, "device:", &endp))
999 return !bt_device_add(endp);
1000
1001 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
1002 return 1;
1003 }
1004
1005 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1006 {
1007 /* FIXME: change this to true for 1.3 */
1008 if (qemu_opt_get_bool(opts, "enable", false)) {
1009 #ifdef CONFIG_SECCOMP
1010 if (seccomp_start() < 0) {
1011 error_report("failed to install seccomp syscall filter "
1012 "in the kernel");
1013 return -1;
1014 }
1015 #else
1016 error_report("sandboxing request but seccomp is not compiled "
1017 "into this build");
1018 return -1;
1019 #endif
1020 }
1021
1022 return 0;
1023 }
1024
1025 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1026 {
1027 const char *proc_name;
1028
1029 if (qemu_opt_get(opts, "debug-threads")) {
1030 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1031 }
1032 qemu_name = qemu_opt_get(opts, "guest");
1033
1034 proc_name = qemu_opt_get(opts, "process");
1035 if (proc_name) {
1036 os_set_proc_name(proc_name);
1037 }
1038
1039 return 0;
1040 }
1041
1042 bool defaults_enabled(void)
1043 {
1044 return has_defaults;
1045 }
1046
1047 bool usb_enabled(void)
1048 {
1049 return machine_usb(current_machine);
1050 }
1051
1052 #ifndef _WIN32
1053 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1054 {
1055 int fd, dupfd, flags;
1056 int64_t fdset_id;
1057 const char *fd_opaque = NULL;
1058 AddfdInfo *fdinfo;
1059
1060 fd = qemu_opt_get_number(opts, "fd", -1);
1061 fdset_id = qemu_opt_get_number(opts, "set", -1);
1062 fd_opaque = qemu_opt_get(opts, "opaque");
1063
1064 if (fd < 0) {
1065 error_report("fd option is required and must be non-negative");
1066 return -1;
1067 }
1068
1069 if (fd <= STDERR_FILENO) {
1070 error_report("fd cannot be a standard I/O stream");
1071 return -1;
1072 }
1073
1074 /*
1075 * All fds inherited across exec() necessarily have FD_CLOEXEC
1076 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1077 */
1078 flags = fcntl(fd, F_GETFD);
1079 if (flags == -1 || (flags & FD_CLOEXEC)) {
1080 error_report("fd is not valid or already in use");
1081 return -1;
1082 }
1083
1084 if (fdset_id < 0) {
1085 error_report("set option is required and must be non-negative");
1086 return -1;
1087 }
1088
1089 #ifdef F_DUPFD_CLOEXEC
1090 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1091 #else
1092 dupfd = dup(fd);
1093 if (dupfd != -1) {
1094 qemu_set_cloexec(dupfd);
1095 }
1096 #endif
1097 if (dupfd == -1) {
1098 error_report("Error duplicating fd: %s", strerror(errno));
1099 return -1;
1100 }
1101
1102 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1103 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1104 &error_abort);
1105 g_free(fdinfo);
1106
1107 return 0;
1108 }
1109
1110 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1111 {
1112 int fd;
1113
1114 fd = qemu_opt_get_number(opts, "fd", -1);
1115 close(fd);
1116
1117 return 0;
1118 }
1119 #endif
1120
1121 /***********************************************************/
1122 /* QEMU Block devices */
1123
1124 #define HD_OPTS "media=disk"
1125 #define CDROM_OPTS "media=cdrom"
1126 #define FD_OPTS ""
1127 #define PFLASH_OPTS ""
1128 #define MTD_OPTS ""
1129 #define SD_OPTS ""
1130
1131 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1132 {
1133 BlockInterfaceType *block_default_type = opaque;
1134
1135 return drive_new(opts, *block_default_type) == NULL;
1136 }
1137
1138 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1139 {
1140 if (qemu_opt_get(opts, "snapshot") == NULL) {
1141 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1142 }
1143 return 0;
1144 }
1145
1146 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1147 int index, const char *optstr)
1148 {
1149 QemuOpts *opts;
1150 DriveInfo *dinfo;
1151
1152 if (!enable || drive_get_by_index(type, index)) {
1153 return;
1154 }
1155
1156 opts = drive_add(type, index, NULL, optstr);
1157 if (snapshot) {
1158 drive_enable_snapshot(NULL, opts, NULL);
1159 }
1160
1161 dinfo = drive_new(opts, type);
1162 if (!dinfo) {
1163 exit(1);
1164 }
1165 dinfo->is_default = true;
1166
1167 }
1168
1169 static QemuOptsList qemu_smp_opts = {
1170 .name = "smp-opts",
1171 .implied_opt_name = "cpus",
1172 .merge_lists = true,
1173 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1174 .desc = {
1175 {
1176 .name = "cpus",
1177 .type = QEMU_OPT_NUMBER,
1178 }, {
1179 .name = "sockets",
1180 .type = QEMU_OPT_NUMBER,
1181 }, {
1182 .name = "cores",
1183 .type = QEMU_OPT_NUMBER,
1184 }, {
1185 .name = "threads",
1186 .type = QEMU_OPT_NUMBER,
1187 }, {
1188 .name = "maxcpus",
1189 .type = QEMU_OPT_NUMBER,
1190 },
1191 { /*End of list */ }
1192 },
1193 };
1194
1195 static void smp_parse(QemuOpts *opts)
1196 {
1197 if (opts) {
1198
1199 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1200 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1201 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1202 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1203
1204 /* compute missing values, prefer sockets over cores over threads */
1205 if (cpus == 0 || sockets == 0) {
1206 sockets = sockets > 0 ? sockets : 1;
1207 cores = cores > 0 ? cores : 1;
1208 threads = threads > 0 ? threads : 1;
1209 if (cpus == 0) {
1210 cpus = cores * threads * sockets;
1211 }
1212 } else if (cores == 0) {
1213 threads = threads > 0 ? threads : 1;
1214 cores = cpus / (sockets * threads);
1215 } else if (threads == 0) {
1216 threads = cpus / (cores * sockets);
1217 } else if (sockets * cores * threads < cpus) {
1218 fprintf(stderr, "cpu topology: error: "
1219 "sockets (%u) * cores (%u) * threads (%u) < "
1220 "smp_cpus (%u)\n",
1221 sockets, cores, threads, cpus);
1222 exit(1);
1223 }
1224
1225 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1226
1227 smp_cpus = cpus;
1228 smp_cores = cores > 0 ? cores : 1;
1229 smp_threads = threads > 0 ? threads : 1;
1230
1231 }
1232
1233 if (max_cpus == 0) {
1234 max_cpus = smp_cpus;
1235 }
1236
1237 if (max_cpus > MAX_CPUMASK_BITS) {
1238 fprintf(stderr, "Unsupported number of maxcpus\n");
1239 exit(1);
1240 }
1241 if (max_cpus < smp_cpus) {
1242 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1243 exit(1);
1244 }
1245
1246 }
1247
1248 static void realtime_init(void)
1249 {
1250 if (enable_mlock) {
1251 if (os_mlock() < 0) {
1252 fprintf(stderr, "qemu: locking memory failed\n");
1253 exit(1);
1254 }
1255 }
1256 }
1257
1258
1259 static void configure_msg(QemuOpts *opts)
1260 {
1261 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1262 }
1263
1264 /***********************************************************/
1265 /* Semihosting */
1266
1267 typedef struct SemihostingConfig {
1268 bool enabled;
1269 SemihostingTarget target;
1270 const char **argv;
1271 int argc;
1272 const char *cmdline; /* concatenated argv */
1273 } SemihostingConfig;
1274
1275 static SemihostingConfig semihosting;
1276
1277 bool semihosting_enabled(void)
1278 {
1279 return semihosting.enabled;
1280 }
1281
1282 SemihostingTarget semihosting_get_target(void)
1283 {
1284 return semihosting.target;
1285 }
1286
1287 const char *semihosting_get_arg(int i)
1288 {
1289 if (i >= semihosting.argc) {
1290 return NULL;
1291 }
1292 return semihosting.argv[i];
1293 }
1294
1295 int semihosting_get_argc(void)
1296 {
1297 return semihosting.argc;
1298 }
1299
1300 const char *semihosting_get_cmdline(void)
1301 {
1302 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1303 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1304 }
1305 return semihosting.cmdline;
1306 }
1307
1308 static int add_semihosting_arg(void *opaque,
1309 const char *name, const char *val,
1310 Error **errp)
1311 {
1312 SemihostingConfig *s = opaque;
1313 if (strcmp(name, "arg") == 0) {
1314 s->argc++;
1315 /* one extra element as g_strjoinv() expects NULL-terminated array */
1316 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1317 s->argv[s->argc - 1] = val;
1318 s->argv[s->argc] = NULL;
1319 }
1320 return 0;
1321 }
1322
1323 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1324 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1325 {
1326 char *cmd_token;
1327
1328 /* argv[0] */
1329 add_semihosting_arg(&semihosting, "arg", file, NULL);
1330
1331 /* split -append and initialize argv[1..n] */
1332 cmd_token = strtok(g_strdup(cmd), " ");
1333 while (cmd_token) {
1334 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1335 cmd_token = strtok(NULL, " ");
1336 }
1337 }
1338
1339 /* Now we still need this for compatibility with XEN. */
1340 bool has_igd_gfx_passthru;
1341 static void igd_gfx_passthru(void)
1342 {
1343 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1344 }
1345
1346 /***********************************************************/
1347 /* USB devices */
1348
1349 static int usb_device_add(const char *devname)
1350 {
1351 USBDevice *dev = NULL;
1352 #ifndef CONFIG_LINUX
1353 const char *p;
1354 #endif
1355
1356 if (!usb_enabled()) {
1357 return -1;
1358 }
1359
1360 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1361 dev = usbdevice_create(devname);
1362 if (dev)
1363 goto done;
1364
1365 /* the other ones */
1366 #ifndef CONFIG_LINUX
1367 /* only the linux version is qdev-ified, usb-bsd still needs this */
1368 if (strstart(devname, "host:", &p)) {
1369 dev = usb_host_device_open(usb_bus_find(-1), p);
1370 }
1371 #endif
1372 if (!dev)
1373 return -1;
1374
1375 done:
1376 return 0;
1377 }
1378
1379 static int usb_device_del(const char *devname)
1380 {
1381 int bus_num, addr;
1382 const char *p;
1383
1384 if (strstart(devname, "host:", &p)) {
1385 return -1;
1386 }
1387
1388 if (!usb_enabled()) {
1389 return -1;
1390 }
1391
1392 p = strchr(devname, '.');
1393 if (!p)
1394 return -1;
1395 bus_num = strtoul(devname, NULL, 0);
1396 addr = strtoul(p + 1, NULL, 0);
1397
1398 return usb_device_delete_addr(bus_num, addr);
1399 }
1400
1401 static int usb_parse(const char *cmdline)
1402 {
1403 int r;
1404 r = usb_device_add(cmdline);
1405 if (r < 0) {
1406 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1407 }
1408 return r;
1409 }
1410
1411 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1412 {
1413 const char *devname = qdict_get_str(qdict, "devname");
1414 if (usb_device_add(devname) < 0) {
1415 error_report("could not add USB device '%s'", devname);
1416 }
1417 }
1418
1419 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1420 {
1421 const char *devname = qdict_get_str(qdict, "devname");
1422 if (usb_device_del(devname) < 0) {
1423 error_report("could not delete USB device '%s'", devname);
1424 }
1425 }
1426
1427 /***********************************************************/
1428 /* machine registration */
1429
1430 MachineState *current_machine;
1431
1432 /*
1433 * Transitional class registration/init used for converting from
1434 * legacy QEMUMachine to MachineClass.
1435 */
1436 static void qemu_machine_class_init(ObjectClass *oc, void *data)
1437 {
1438 MachineClass *mc = MACHINE_CLASS(oc);
1439 QEMUMachine *qm = data;
1440 mc->name = qm->name;
1441 mc->desc = qm->desc;
1442 mc->init = qm->init;
1443 mc->kvm_type = qm->kvm_type;
1444 mc->block_default_type = qm->block_default_type;
1445 mc->max_cpus = qm->max_cpus;
1446 mc->no_sdcard = qm->no_sdcard;
1447 mc->has_dynamic_sysbus = qm->has_dynamic_sysbus;
1448 mc->is_default = qm->is_default;
1449 mc->default_machine_opts = qm->default_machine_opts;
1450 mc->default_boot_order = qm->default_boot_order;
1451 }
1452
1453 int qemu_register_machine(QEMUMachine *m)
1454 {
1455 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1456 TypeInfo ti = {
1457 .name = name,
1458 .parent = TYPE_MACHINE,
1459 .class_init = qemu_machine_class_init,
1460 .class_data = (void *)m,
1461 };
1462
1463 type_register(&ti);
1464 g_free(name);
1465
1466 return 0;
1467 }
1468
1469 static MachineClass *find_machine(const char *name)
1470 {
1471 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1472 MachineClass *mc = NULL;
1473
1474 for (el = machines; el; el = el->next) {
1475 MachineClass *temp = el->data;
1476
1477 if (!strcmp(temp->name, name)) {
1478 mc = temp;
1479 break;
1480 }
1481 if (temp->alias &&
1482 !strcmp(temp->alias, name)) {
1483 mc = temp;
1484 break;
1485 }
1486 }
1487
1488 g_slist_free(machines);
1489 return mc;
1490 }
1491
1492 MachineClass *find_default_machine(void)
1493 {
1494 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1495 MachineClass *mc = NULL;
1496
1497 for (el = machines; el; el = el->next) {
1498 MachineClass *temp = el->data;
1499
1500 if (temp->is_default) {
1501 mc = temp;
1502 break;
1503 }
1504 }
1505
1506 g_slist_free(machines);
1507 return mc;
1508 }
1509
1510 MachineInfoList *qmp_query_machines(Error **errp)
1511 {
1512 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1513 MachineInfoList *mach_list = NULL;
1514
1515 for (el = machines; el; el = el->next) {
1516 MachineClass *mc = el->data;
1517 MachineInfoList *entry;
1518 MachineInfo *info;
1519
1520 info = g_malloc0(sizeof(*info));
1521 if (mc->is_default) {
1522 info->has_is_default = true;
1523 info->is_default = true;
1524 }
1525
1526 if (mc->alias) {
1527 info->has_alias = true;
1528 info->alias = g_strdup(mc->alias);
1529 }
1530
1531 info->name = g_strdup(mc->name);
1532 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1533
1534 entry = g_malloc0(sizeof(*entry));
1535 entry->value = info;
1536 entry->next = mach_list;
1537 mach_list = entry;
1538 }
1539
1540 g_slist_free(machines);
1541 return mach_list;
1542 }
1543
1544 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1545 {
1546 ObjectProperty *prop;
1547
1548 if (!qemu_opt_has_help_opt(opts)) {
1549 return 0;
1550 }
1551
1552 QTAILQ_FOREACH(prop, &OBJECT(machine)->properties, node) {
1553 if (!prop->set) {
1554 continue;
1555 }
1556
1557 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1558 prop->name, prop->type);
1559 if (prop->description) {
1560 error_printf(" (%s)\n", prop->description);
1561 } else {
1562 error_printf("\n");
1563 }
1564 }
1565
1566 return 1;
1567 }
1568
1569 /***********************************************************/
1570 /* main execution loop */
1571
1572 struct vm_change_state_entry {
1573 VMChangeStateHandler *cb;
1574 void *opaque;
1575 QLIST_ENTRY (vm_change_state_entry) entries;
1576 };
1577
1578 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1579
1580 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1581 void *opaque)
1582 {
1583 VMChangeStateEntry *e;
1584
1585 e = g_malloc0(sizeof (*e));
1586
1587 e->cb = cb;
1588 e->opaque = opaque;
1589 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1590 return e;
1591 }
1592
1593 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1594 {
1595 QLIST_REMOVE (e, entries);
1596 g_free (e);
1597 }
1598
1599 void vm_state_notify(int running, RunState state)
1600 {
1601 VMChangeStateEntry *e, *next;
1602
1603 trace_vm_state_notify(running, state);
1604
1605 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1606 e->cb(e->opaque, running, state);
1607 }
1608 }
1609
1610 /* reset/shutdown handler */
1611
1612 typedef struct QEMUResetEntry {
1613 QTAILQ_ENTRY(QEMUResetEntry) entry;
1614 QEMUResetHandler *func;
1615 void *opaque;
1616 } QEMUResetEntry;
1617
1618 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1619 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1620 static int reset_requested;
1621 static int shutdown_requested, shutdown_signal = -1;
1622 static pid_t shutdown_pid;
1623 static int powerdown_requested;
1624 static int debug_requested;
1625 static int suspend_requested;
1626 static WakeupReason wakeup_reason;
1627 static NotifierList powerdown_notifiers =
1628 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1629 static NotifierList suspend_notifiers =
1630 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1631 static NotifierList wakeup_notifiers =
1632 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1633 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1634
1635 int qemu_shutdown_requested_get(void)
1636 {
1637 return shutdown_requested;
1638 }
1639
1640 int qemu_reset_requested_get(void)
1641 {
1642 return reset_requested;
1643 }
1644
1645 static int qemu_shutdown_requested(void)
1646 {
1647 return atomic_xchg(&shutdown_requested, 0);
1648 }
1649
1650 static void qemu_kill_report(void)
1651 {
1652 if (!qtest_driver() && shutdown_signal != -1) {
1653 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1654 if (shutdown_pid == 0) {
1655 /* This happens for eg ^C at the terminal, so it's worth
1656 * avoiding printing an odd message in that case.
1657 */
1658 fputc('\n', stderr);
1659 } else {
1660 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1661 }
1662 shutdown_signal = -1;
1663 }
1664 }
1665
1666 static int qemu_reset_requested(void)
1667 {
1668 int r = reset_requested;
1669 reset_requested = 0;
1670 return r;
1671 }
1672
1673 static int qemu_suspend_requested(void)
1674 {
1675 int r = suspend_requested;
1676 suspend_requested = 0;
1677 return r;
1678 }
1679
1680 static WakeupReason qemu_wakeup_requested(void)
1681 {
1682 return wakeup_reason;
1683 }
1684
1685 static int qemu_powerdown_requested(void)
1686 {
1687 int r = powerdown_requested;
1688 powerdown_requested = 0;
1689 return r;
1690 }
1691
1692 static int qemu_debug_requested(void)
1693 {
1694 int r = debug_requested;
1695 debug_requested = 0;
1696 return r;
1697 }
1698
1699 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1700 {
1701 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1702
1703 re->func = func;
1704 re->opaque = opaque;
1705 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1706 }
1707
1708 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1709 {
1710 QEMUResetEntry *re;
1711
1712 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1713 if (re->func == func && re->opaque == opaque) {
1714 QTAILQ_REMOVE(&reset_handlers, re, entry);
1715 g_free(re);
1716 return;
1717 }
1718 }
1719 }
1720
1721 void qemu_devices_reset(void)
1722 {
1723 QEMUResetEntry *re, *nre;
1724
1725 /* reset all devices */
1726 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1727 re->func(re->opaque);
1728 }
1729 }
1730
1731 void qemu_system_reset(bool report)
1732 {
1733 MachineClass *mc;
1734
1735 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1736
1737 if (mc && mc->reset) {
1738 mc->reset();
1739 } else {
1740 qemu_devices_reset();
1741 }
1742 if (report) {
1743 qapi_event_send_reset(&error_abort);
1744 }
1745 cpu_synchronize_all_post_reset();
1746 }
1747
1748 void qemu_system_guest_panicked(void)
1749 {
1750 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1751 vm_stop(RUN_STATE_GUEST_PANICKED);
1752 }
1753
1754 void qemu_system_reset_request(void)
1755 {
1756 if (no_reboot) {
1757 shutdown_requested = 1;
1758 } else {
1759 reset_requested = 1;
1760 }
1761 cpu_stop_current();
1762 qemu_notify_event();
1763 }
1764
1765 static void qemu_system_suspend(void)
1766 {
1767 pause_all_vcpus();
1768 notifier_list_notify(&suspend_notifiers, NULL);
1769 runstate_set(RUN_STATE_SUSPENDED);
1770 qapi_event_send_suspend(&error_abort);
1771 }
1772
1773 void qemu_system_suspend_request(void)
1774 {
1775 if (runstate_check(RUN_STATE_SUSPENDED)) {
1776 return;
1777 }
1778 suspend_requested = 1;
1779 cpu_stop_current();
1780 qemu_notify_event();
1781 }
1782
1783 void qemu_register_suspend_notifier(Notifier *notifier)
1784 {
1785 notifier_list_add(&suspend_notifiers, notifier);
1786 }
1787
1788 void qemu_system_wakeup_request(WakeupReason reason)
1789 {
1790 trace_system_wakeup_request(reason);
1791
1792 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1793 return;
1794 }
1795 if (!(wakeup_reason_mask & (1 << reason))) {
1796 return;
1797 }
1798 runstate_set(RUN_STATE_RUNNING);
1799 wakeup_reason = reason;
1800 qemu_notify_event();
1801 }
1802
1803 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1804 {
1805 if (enabled) {
1806 wakeup_reason_mask |= (1 << reason);
1807 } else {
1808 wakeup_reason_mask &= ~(1 << reason);
1809 }
1810 }
1811
1812 void qemu_register_wakeup_notifier(Notifier *notifier)
1813 {
1814 notifier_list_add(&wakeup_notifiers, notifier);
1815 }
1816
1817 void qemu_system_killed(int signal, pid_t pid)
1818 {
1819 shutdown_signal = signal;
1820 shutdown_pid = pid;
1821 no_shutdown = 0;
1822 qemu_system_shutdown_request();
1823 }
1824
1825 void qemu_system_shutdown_request(void)
1826 {
1827 trace_qemu_system_shutdown_request();
1828 shutdown_requested = 1;
1829 qemu_notify_event();
1830 }
1831
1832 static void qemu_system_powerdown(void)
1833 {
1834 qapi_event_send_powerdown(&error_abort);
1835 notifier_list_notify(&powerdown_notifiers, NULL);
1836 }
1837
1838 void qemu_system_powerdown_request(void)
1839 {
1840 trace_qemu_system_powerdown_request();
1841 powerdown_requested = 1;
1842 qemu_notify_event();
1843 }
1844
1845 void qemu_register_powerdown_notifier(Notifier *notifier)
1846 {
1847 notifier_list_add(&powerdown_notifiers, notifier);
1848 }
1849
1850 void qemu_system_debug_request(void)
1851 {
1852 debug_requested = 1;
1853 qemu_notify_event();
1854 }
1855
1856 static bool main_loop_should_exit(void)
1857 {
1858 RunState r;
1859 if (qemu_debug_requested()) {
1860 vm_stop(RUN_STATE_DEBUG);
1861 }
1862 if (qemu_suspend_requested()) {
1863 qemu_system_suspend();
1864 }
1865 if (qemu_shutdown_requested()) {
1866 qemu_kill_report();
1867 qapi_event_send_shutdown(&error_abort);
1868 if (no_shutdown) {
1869 vm_stop(RUN_STATE_SHUTDOWN);
1870 } else {
1871 return true;
1872 }
1873 }
1874 if (qemu_reset_requested()) {
1875 pause_all_vcpus();
1876 cpu_synchronize_all_states();
1877 qemu_system_reset(VMRESET_REPORT);
1878 resume_all_vcpus();
1879 if (runstate_needs_reset()) {
1880 runstate_set(RUN_STATE_PAUSED);
1881 }
1882 }
1883 if (qemu_wakeup_requested()) {
1884 pause_all_vcpus();
1885 cpu_synchronize_all_states();
1886 qemu_system_reset(VMRESET_SILENT);
1887 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1888 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1889 resume_all_vcpus();
1890 qapi_event_send_wakeup(&error_abort);
1891 }
1892 if (qemu_powerdown_requested()) {
1893 qemu_system_powerdown();
1894 }
1895 if (qemu_vmstop_requested(&r)) {
1896 vm_stop(r);
1897 }
1898 return false;
1899 }
1900
1901 static void main_loop(void)
1902 {
1903 bool nonblocking;
1904 int last_io = 0;
1905 #ifdef CONFIG_PROFILER
1906 int64_t ti;
1907 #endif
1908 do {
1909 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1910 #ifdef CONFIG_PROFILER
1911 ti = profile_getclock();
1912 #endif
1913 last_io = main_loop_wait(nonblocking);
1914 #ifdef CONFIG_PROFILER
1915 dev_time += profile_getclock() - ti;
1916 #endif
1917 } while (!main_loop_should_exit());
1918 }
1919
1920 static void version(void)
1921 {
1922 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1923 }
1924
1925 static void help(int exitcode)
1926 {
1927 version();
1928 printf("usage: %s [options] [disk_image]\n\n"
1929 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1930 error_get_progname());
1931
1932 #define QEMU_OPTIONS_GENERATE_HELP
1933 #include "qemu-options-wrapper.h"
1934
1935 printf("\nDuring emulation, the following keys are useful:\n"
1936 "ctrl-alt-f toggle full screen\n"
1937 "ctrl-alt-n switch to virtual console 'n'\n"
1938 "ctrl-alt toggle mouse and keyboard grab\n"
1939 "\n"
1940 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1941
1942 exit(exitcode);
1943 }
1944
1945 #define HAS_ARG 0x0001
1946
1947 typedef struct QEMUOption {
1948 const char *name;
1949 int flags;
1950 int index;
1951 uint32_t arch_mask;
1952 } QEMUOption;
1953
1954 static const QEMUOption qemu_options[] = {
1955 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1956 #define QEMU_OPTIONS_GENERATE_OPTIONS
1957 #include "qemu-options-wrapper.h"
1958 { NULL },
1959 };
1960
1961 static bool vga_available(void)
1962 {
1963 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1964 }
1965
1966 static bool cirrus_vga_available(void)
1967 {
1968 return object_class_by_name("cirrus-vga")
1969 || object_class_by_name("isa-cirrus-vga");
1970 }
1971
1972 static bool vmware_vga_available(void)
1973 {
1974 return object_class_by_name("vmware-svga");
1975 }
1976
1977 static bool qxl_vga_available(void)
1978 {
1979 return object_class_by_name("qxl-vga");
1980 }
1981
1982 static bool tcx_vga_available(void)
1983 {
1984 return object_class_by_name("SUNW,tcx");
1985 }
1986
1987 static bool cg3_vga_available(void)
1988 {
1989 return object_class_by_name("cgthree");
1990 }
1991
1992 static bool virtio_vga_available(void)
1993 {
1994 return object_class_by_name("virtio-vga");
1995 }
1996
1997 static void select_vgahw (const char *p)
1998 {
1999 const char *opts;
2000
2001 assert(vga_interface_type == VGA_NONE);
2002 if (strstart(p, "std", &opts)) {
2003 if (vga_available()) {
2004 vga_interface_type = VGA_STD;
2005 } else {
2006 fprintf(stderr, "Error: standard VGA not available\n");
2007 exit(0);
2008 }
2009 } else if (strstart(p, "cirrus", &opts)) {
2010 if (cirrus_vga_available()) {
2011 vga_interface_type = VGA_CIRRUS;
2012 } else {
2013 fprintf(stderr, "Error: Cirrus VGA not available\n");
2014 exit(0);
2015 }
2016 } else if (strstart(p, "vmware", &opts)) {
2017 if (vmware_vga_available()) {
2018 vga_interface_type = VGA_VMWARE;
2019 } else {
2020 fprintf(stderr, "Error: VMWare SVGA not available\n");
2021 exit(0);
2022 }
2023 } else if (strstart(p, "virtio", &opts)) {
2024 if (virtio_vga_available()) {
2025 vga_interface_type = VGA_VIRTIO;
2026 } else {
2027 fprintf(stderr, "Error: Virtio VGA not available\n");
2028 exit(0);
2029 }
2030 } else if (strstart(p, "xenfb", &opts)) {
2031 vga_interface_type = VGA_XENFB;
2032 } else if (strstart(p, "qxl", &opts)) {
2033 if (qxl_vga_available()) {
2034 vga_interface_type = VGA_QXL;
2035 } else {
2036 fprintf(stderr, "Error: QXL VGA not available\n");
2037 exit(0);
2038 }
2039 } else if (strstart(p, "tcx", &opts)) {
2040 if (tcx_vga_available()) {
2041 vga_interface_type = VGA_TCX;
2042 } else {
2043 fprintf(stderr, "Error: TCX framebuffer not available\n");
2044 exit(0);
2045 }
2046 } else if (strstart(p, "cg3", &opts)) {
2047 if (cg3_vga_available()) {
2048 vga_interface_type = VGA_CG3;
2049 } else {
2050 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2051 exit(0);
2052 }
2053 } else if (!strstart(p, "none", &opts)) {
2054 invalid_vga:
2055 fprintf(stderr, "Unknown vga type: %s\n", p);
2056 exit(1);
2057 }
2058 while (*opts) {
2059 const char *nextopt;
2060
2061 if (strstart(opts, ",retrace=", &nextopt)) {
2062 opts = nextopt;
2063 if (strstart(opts, "dumb", &nextopt))
2064 vga_retrace_method = VGA_RETRACE_DUMB;
2065 else if (strstart(opts, "precise", &nextopt))
2066 vga_retrace_method = VGA_RETRACE_PRECISE;
2067 else goto invalid_vga;
2068 } else goto invalid_vga;
2069 opts = nextopt;
2070 }
2071 }
2072
2073 static DisplayType select_display(const char *p)
2074 {
2075 const char *opts;
2076 DisplayType display = DT_DEFAULT;
2077
2078 if (strstart(p, "sdl", &opts)) {
2079 #ifdef CONFIG_SDL
2080 display = DT_SDL;
2081 while (*opts) {
2082 const char *nextopt;
2083
2084 if (strstart(opts, ",frame=", &nextopt)) {
2085 opts = nextopt;
2086 if (strstart(opts, "on", &nextopt)) {
2087 no_frame = 0;
2088 } else if (strstart(opts, "off", &nextopt)) {
2089 no_frame = 1;
2090 } else {
2091 goto invalid_sdl_args;
2092 }
2093 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2094 opts = nextopt;
2095 if (strstart(opts, "on", &nextopt)) {
2096 alt_grab = 1;
2097 } else if (strstart(opts, "off", &nextopt)) {
2098 alt_grab = 0;
2099 } else {
2100 goto invalid_sdl_args;
2101 }
2102 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2103 opts = nextopt;
2104 if (strstart(opts, "on", &nextopt)) {
2105 ctrl_grab = 1;
2106 } else if (strstart(opts, "off", &nextopt)) {
2107 ctrl_grab = 0;
2108 } else {
2109 goto invalid_sdl_args;
2110 }
2111 } else if (strstart(opts, ",window_close=", &nextopt)) {
2112 opts = nextopt;
2113 if (strstart(opts, "on", &nextopt)) {
2114 no_quit = 0;
2115 } else if (strstart(opts, "off", &nextopt)) {
2116 no_quit = 1;
2117 } else {
2118 goto invalid_sdl_args;
2119 }
2120 } else if (strstart(opts, ",gl=", &nextopt)) {
2121 opts = nextopt;
2122 if (strstart(opts, "on", &nextopt)) {
2123 request_opengl = 1;
2124 } else if (strstart(opts, "off", &nextopt)) {
2125 request_opengl = 0;
2126 } else {
2127 goto invalid_sdl_args;
2128 }
2129 } else {
2130 invalid_sdl_args:
2131 error_report("Invalid SDL option string");
2132 exit(1);
2133 }
2134 opts = nextopt;
2135 }
2136 #else
2137 error_report("SDL support is disabled");
2138 exit(1);
2139 #endif
2140 } else if (strstart(p, "vnc", &opts)) {
2141 #ifdef CONFIG_VNC
2142 if (*opts == '=') {
2143 Error *err = NULL;
2144 if (vnc_parse(opts + 1, &err) == NULL) {
2145 error_report_err(err);
2146 exit(1);
2147 }
2148 } else {
2149 error_report("VNC requires a display argument vnc=<display>");
2150 exit(1);
2151 }
2152 #else
2153 error_report("VNC support is disabled");
2154 exit(1);
2155 #endif
2156 } else if (strstart(p, "curses", &opts)) {
2157 #ifdef CONFIG_CURSES
2158 display = DT_CURSES;
2159 #else
2160 error_report("Curses support is disabled");
2161 exit(1);
2162 #endif
2163 } else if (strstart(p, "gtk", &opts)) {
2164 #ifdef CONFIG_GTK
2165 display = DT_GTK;
2166 while (*opts) {
2167 const char *nextopt;
2168
2169 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2170 opts = nextopt;
2171 if (strstart(opts, "on", &nextopt)) {
2172 grab_on_hover = true;
2173 } else if (strstart(opts, "off", &nextopt)) {
2174 grab_on_hover = false;
2175 } else {
2176 goto invalid_gtk_args;
2177 }
2178 } else if (strstart(opts, ",gl=", &nextopt)) {
2179 opts = nextopt;
2180 if (strstart(opts, "on", &nextopt)) {
2181 request_opengl = 1;
2182 } else if (strstart(opts, "off", &nextopt)) {
2183 request_opengl = 0;
2184 } else {
2185 goto invalid_gtk_args;
2186 }
2187 } else {
2188 invalid_gtk_args:
2189 error_report("Invalid GTK option string");
2190 exit(1);
2191 }
2192 opts = nextopt;
2193 }
2194 #else
2195 error_report("GTK support is disabled");
2196 exit(1);
2197 #endif
2198 } else if (strstart(p, "none", &opts)) {
2199 display = DT_NONE;
2200 } else {
2201 error_report("Unknown display type");
2202 exit(1);
2203 }
2204
2205 return display;
2206 }
2207
2208 static int balloon_parse(const char *arg)
2209 {
2210 QemuOpts *opts;
2211
2212 if (strcmp(arg, "none") == 0) {
2213 return 0;
2214 }
2215
2216 if (!strncmp(arg, "virtio", 6)) {
2217 if (arg[6] == ',') {
2218 /* have params -> parse them */
2219 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2220 false);
2221 if (!opts)
2222 return -1;
2223 } else {
2224 /* create empty opts */
2225 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2226 &error_abort);
2227 }
2228 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2229 return 0;
2230 }
2231
2232 return -1;
2233 }
2234
2235 char *qemu_find_file(int type, const char *name)
2236 {
2237 int i;
2238 const char *subdir;
2239 char *buf;
2240
2241 /* Try the name as a straight path first */
2242 if (access(name, R_OK) == 0) {
2243 trace_load_file(name, name);
2244 return g_strdup(name);
2245 }
2246
2247 switch (type) {
2248 case QEMU_FILE_TYPE_BIOS:
2249 subdir = "";
2250 break;
2251 case QEMU_FILE_TYPE_KEYMAP:
2252 subdir = "keymaps/";
2253 break;
2254 default:
2255 abort();
2256 }
2257
2258 for (i = 0; i < data_dir_idx; i++) {
2259 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2260 if (access(buf, R_OK) == 0) {
2261 trace_load_file(name, buf);
2262 return buf;
2263 }
2264 g_free(buf);
2265 }
2266 return NULL;
2267 }
2268
2269 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2270 {
2271 gchar *buf;
2272 size_t size;
2273 const char *name, *file;
2274
2275 if (opaque == NULL) {
2276 error_report("fw_cfg device not available");
2277 return -1;
2278 }
2279 name = qemu_opt_get(opts, "name");
2280 file = qemu_opt_get(opts, "file");
2281 if (name == NULL || *name == '\0' || file == NULL || *file == '\0') {
2282 error_report("invalid argument value");
2283 return -1;
2284 }
2285 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2286 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2287 return -1;
2288 }
2289 if (strncmp(name, "opt/", 4) != 0) {
2290 error_report("WARNING: externally provided fw_cfg item names "
2291 "should be prefixed with \"opt/\"!");
2292 }
2293 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2294 error_report("can't load %s", file);
2295 return -1;
2296 }
2297 fw_cfg_add_file((FWCfgState *)opaque, name, buf, size);
2298 return 0;
2299 }
2300
2301 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2302 {
2303 return qdev_device_help(opts);
2304 }
2305
2306 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2307 {
2308 Error *err = NULL;
2309 DeviceState *dev;
2310
2311 dev = qdev_device_add(opts, &err);
2312 if (!dev) {
2313 error_report_err(err);
2314 return -1;
2315 }
2316 object_unref(OBJECT(dev));
2317 return 0;
2318 }
2319
2320 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2321 {
2322 Error *local_err = NULL;
2323
2324 qemu_chr_new_from_opts(opts, NULL, &local_err);
2325 if (local_err) {
2326 error_report_err(local_err);
2327 return -1;
2328 }
2329 return 0;
2330 }
2331
2332 #ifdef CONFIG_VIRTFS
2333 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2334 {
2335 int ret;
2336 ret = qemu_fsdev_add(opts);
2337
2338 return ret;
2339 }
2340 #endif
2341
2342 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2343 {
2344 CharDriverState *chr;
2345 const char *chardev;
2346 const char *mode;
2347 int flags;
2348
2349 mode = qemu_opt_get(opts, "mode");
2350 if (mode == NULL) {
2351 mode = "readline";
2352 }
2353 if (strcmp(mode, "readline") == 0) {
2354 flags = MONITOR_USE_READLINE;
2355 } else if (strcmp(mode, "control") == 0) {
2356 flags = MONITOR_USE_CONTROL;
2357 } else {
2358 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2359 exit(1);
2360 }
2361
2362 if (qemu_opt_get_bool(opts, "pretty", 0))
2363 flags |= MONITOR_USE_PRETTY;
2364
2365 if (qemu_opt_get_bool(opts, "default", 0))
2366 flags |= MONITOR_IS_DEFAULT;
2367
2368 chardev = qemu_opt_get(opts, "chardev");
2369 chr = qemu_chr_find(chardev);
2370 if (chr == NULL) {
2371 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2372 exit(1);
2373 }
2374
2375 qemu_chr_fe_claim_no_fail(chr);
2376 monitor_init(chr, flags);
2377 return 0;
2378 }
2379
2380 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2381 {
2382 static int monitor_device_index = 0;
2383 Error *local_err = NULL;
2384 QemuOpts *opts;
2385 const char *p;
2386 char label[32];
2387 int def = 0;
2388
2389 if (strstart(optarg, "chardev:", &p)) {
2390 snprintf(label, sizeof(label), "%s", p);
2391 } else {
2392 snprintf(label, sizeof(label), "compat_monitor%d",
2393 monitor_device_index);
2394 if (monitor_device_index == 0) {
2395 def = 1;
2396 }
2397 opts = qemu_chr_parse_compat(label, optarg);
2398 if (!opts) {
2399 fprintf(stderr, "parse error: %s\n", optarg);
2400 exit(1);
2401 }
2402 }
2403
2404 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2405 if (!opts) {
2406 error_report_err(local_err);
2407 exit(1);
2408 }
2409 qemu_opt_set(opts, "mode", mode, &error_abort);
2410 qemu_opt_set(opts, "chardev", label, &error_abort);
2411 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2412 if (def)
2413 qemu_opt_set(opts, "default", "on", &error_abort);
2414 monitor_device_index++;
2415 }
2416
2417 struct device_config {
2418 enum {
2419 DEV_USB, /* -usbdevice */
2420 DEV_BT, /* -bt */
2421 DEV_SERIAL, /* -serial */
2422 DEV_PARALLEL, /* -parallel */
2423 DEV_VIRTCON, /* -virtioconsole */
2424 DEV_DEBUGCON, /* -debugcon */
2425 DEV_GDB, /* -gdb, -s */
2426 DEV_SCLP, /* s390 sclp */
2427 } type;
2428 const char *cmdline;
2429 Location loc;
2430 QTAILQ_ENTRY(device_config) next;
2431 };
2432
2433 static QTAILQ_HEAD(, device_config) device_configs =
2434 QTAILQ_HEAD_INITIALIZER(device_configs);
2435
2436 static void add_device_config(int type, const char *cmdline)
2437 {
2438 struct device_config *conf;
2439
2440 conf = g_malloc0(sizeof(*conf));
2441 conf->type = type;
2442 conf->cmdline = cmdline;
2443 loc_save(&conf->loc);
2444 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2445 }
2446
2447 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2448 {
2449 struct device_config *conf;
2450 int rc;
2451
2452 QTAILQ_FOREACH(conf, &device_configs, next) {
2453 if (conf->type != type)
2454 continue;
2455 loc_push_restore(&conf->loc);
2456 rc = func(conf->cmdline);
2457 loc_pop(&conf->loc);
2458 if (rc) {
2459 return rc;
2460 }
2461 }
2462 return 0;
2463 }
2464
2465 static int serial_parse(const char *devname)
2466 {
2467 static int index = 0;
2468 char label[32];
2469
2470 if (strcmp(devname, "none") == 0)
2471 return 0;
2472 if (index == MAX_SERIAL_PORTS) {
2473 fprintf(stderr, "qemu: too many serial ports\n");
2474 exit(1);
2475 }
2476 snprintf(label, sizeof(label), "serial%d", index);
2477 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2478 if (!serial_hds[index]) {
2479 fprintf(stderr, "qemu: could not connect serial device"
2480 " to character backend '%s'\n", devname);
2481 return -1;
2482 }
2483 index++;
2484 return 0;
2485 }
2486
2487 static int parallel_parse(const char *devname)
2488 {
2489 static int index = 0;
2490 char label[32];
2491
2492 if (strcmp(devname, "none") == 0)
2493 return 0;
2494 if (index == MAX_PARALLEL_PORTS) {
2495 fprintf(stderr, "qemu: too many parallel ports\n");
2496 exit(1);
2497 }
2498 snprintf(label, sizeof(label), "parallel%d", index);
2499 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2500 if (!parallel_hds[index]) {
2501 fprintf(stderr, "qemu: could not connect parallel device"
2502 " to character backend '%s'\n", devname);
2503 return -1;
2504 }
2505 index++;
2506 return 0;
2507 }
2508
2509 static int virtcon_parse(const char *devname)
2510 {
2511 QemuOptsList *device = qemu_find_opts("device");
2512 static int index = 0;
2513 char label[32];
2514 QemuOpts *bus_opts, *dev_opts;
2515
2516 if (strcmp(devname, "none") == 0)
2517 return 0;
2518 if (index == MAX_VIRTIO_CONSOLES) {
2519 fprintf(stderr, "qemu: too many virtio consoles\n");
2520 exit(1);
2521 }
2522
2523 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2524 if (arch_type == QEMU_ARCH_S390X) {
2525 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390", &error_abort);
2526 } else {
2527 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci", &error_abort);
2528 }
2529
2530 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2531 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2532
2533 snprintf(label, sizeof(label), "virtcon%d", index);
2534 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2535 if (!virtcon_hds[index]) {
2536 fprintf(stderr, "qemu: could not connect virtio console"
2537 " to character backend '%s'\n", devname);
2538 return -1;
2539 }
2540 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2541
2542 index++;
2543 return 0;
2544 }
2545
2546 static int sclp_parse(const char *devname)
2547 {
2548 QemuOptsList *device = qemu_find_opts("device");
2549 static int index = 0;
2550 char label[32];
2551 QemuOpts *dev_opts;
2552
2553 if (strcmp(devname, "none") == 0) {
2554 return 0;
2555 }
2556 if (index == MAX_SCLP_CONSOLES) {
2557 fprintf(stderr, "qemu: too many sclp consoles\n");
2558 exit(1);
2559 }
2560
2561 assert(arch_type == QEMU_ARCH_S390X);
2562
2563 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2564 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2565
2566 snprintf(label, sizeof(label), "sclpcon%d", index);
2567 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2568 if (!sclp_hds[index]) {
2569 fprintf(stderr, "qemu: could not connect sclp console"
2570 " to character backend '%s'\n", devname);
2571 return -1;
2572 }
2573 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2574
2575 index++;
2576 return 0;
2577 }
2578
2579 static int debugcon_parse(const char *devname)
2580 {
2581 QemuOpts *opts;
2582
2583 if (!qemu_chr_new("debugcon", devname, NULL)) {
2584 exit(1);
2585 }
2586 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2587 if (!opts) {
2588 fprintf(stderr, "qemu: already have a debugcon device\n");
2589 exit(1);
2590 }
2591 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2592 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2593 return 0;
2594 }
2595
2596 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2597 {
2598 const MachineClass *mc1 = a, *mc2 = b;
2599 int res;
2600
2601 if (mc1->family == NULL) {
2602 if (mc2->family == NULL) {
2603 /* Compare standalone machine types against each other; they sort
2604 * in increasing order.
2605 */
2606 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2607 object_class_get_name(OBJECT_CLASS(mc2)));
2608 }
2609
2610 /* Standalone machine types sort after families. */
2611 return 1;
2612 }
2613
2614 if (mc2->family == NULL) {
2615 /* Families sort before standalone machine types. */
2616 return -1;
2617 }
2618
2619 /* Families sort between each other alphabetically increasingly. */
2620 res = strcmp(mc1->family, mc2->family);
2621 if (res != 0) {
2622 return res;
2623 }
2624
2625 /* Within the same family, machine types sort in decreasing order. */
2626 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2627 object_class_get_name(OBJECT_CLASS(mc1)));
2628 }
2629
2630 static MachineClass *machine_parse(const char *name)
2631 {
2632 MachineClass *mc = NULL;
2633 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2634
2635 if (name) {
2636 mc = find_machine(name);
2637 }
2638 if (mc) {
2639 g_slist_free(machines);
2640 return mc;
2641 }
2642 if (name && !is_help_option(name)) {
2643 error_report("Unsupported machine type");
2644 error_printf("Use -machine help to list supported machines!\n");
2645 } else {
2646 printf("Supported machines are:\n");
2647 machines = g_slist_sort(machines, machine_class_cmp);
2648 for (el = machines; el; el = el->next) {
2649 MachineClass *mc = el->data;
2650 if (mc->alias) {
2651 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2652 }
2653 printf("%-20s %s%s\n", mc->name, mc->desc,
2654 mc->is_default ? " (default)" : "");
2655 }
2656 }
2657
2658 g_slist_free(machines);
2659 exit(!name || !is_help_option(name));
2660 }
2661
2662 void qemu_add_exit_notifier(Notifier *notify)
2663 {
2664 notifier_list_add(&exit_notifiers, notify);
2665 }
2666
2667 void qemu_remove_exit_notifier(Notifier *notify)
2668 {
2669 notifier_remove(notify);
2670 }
2671
2672 static void qemu_run_exit_notifiers(void)
2673 {
2674 notifier_list_notify(&exit_notifiers, NULL);
2675 }
2676
2677 static bool machine_init_done;
2678
2679 void qemu_add_machine_init_done_notifier(Notifier *notify)
2680 {
2681 notifier_list_add(&machine_init_done_notifiers, notify);
2682 if (machine_init_done) {
2683 notify->notify(notify, NULL);
2684 }
2685 }
2686
2687 static void qemu_run_machine_init_done_notifiers(void)
2688 {
2689 notifier_list_notify(&machine_init_done_notifiers, NULL);
2690 machine_init_done = true;
2691 }
2692
2693 static const QEMUOption *lookup_opt(int argc, char **argv,
2694 const char **poptarg, int *poptind)
2695 {
2696 const QEMUOption *popt;
2697 int optind = *poptind;
2698 char *r = argv[optind];
2699 const char *optarg;
2700
2701 loc_set_cmdline(argv, optind, 1);
2702 optind++;
2703 /* Treat --foo the same as -foo. */
2704 if (r[1] == '-')
2705 r++;
2706 popt = qemu_options;
2707 for(;;) {
2708 if (!popt->name) {
2709 error_report("invalid option");
2710 exit(1);
2711 }
2712 if (!strcmp(popt->name, r + 1))
2713 break;
2714 popt++;
2715 }
2716 if (popt->flags & HAS_ARG) {
2717 if (optind >= argc) {
2718 error_report("requires an argument");
2719 exit(1);
2720 }
2721 optarg = argv[optind++];
2722 loc_set_cmdline(argv, optind - 2, 2);
2723 } else {
2724 optarg = NULL;
2725 }
2726
2727 *poptarg = optarg;
2728 *poptind = optind;
2729
2730 return popt;
2731 }
2732
2733 static gpointer malloc_and_trace(gsize n_bytes)
2734 {
2735 void *ptr = malloc(n_bytes);
2736 trace_g_malloc(n_bytes, ptr);
2737 return ptr;
2738 }
2739
2740 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2741 {
2742 void *ptr = realloc(mem, n_bytes);
2743 trace_g_realloc(mem, n_bytes, ptr);
2744 return ptr;
2745 }
2746
2747 static void free_and_trace(gpointer mem)
2748 {
2749 trace_g_free(mem);
2750 free(mem);
2751 }
2752
2753 static int machine_set_property(void *opaque,
2754 const char *name, const char *value,
2755 Error **errp)
2756 {
2757 Object *obj = OBJECT(opaque);
2758 Error *local_err = NULL;
2759 char *c, *qom_name;
2760
2761 if (strcmp(name, "type") == 0) {
2762 return 0;
2763 }
2764
2765 qom_name = g_strdup(name);
2766 c = qom_name;
2767 while (*c++) {
2768 if (*c == '_') {
2769 *c = '-';
2770 }
2771 }
2772
2773 object_property_parse(obj, value, qom_name, &local_err);
2774 g_free(qom_name);
2775
2776 if (local_err) {
2777 error_report_err(local_err);
2778 return -1;
2779 }
2780
2781 return 0;
2782 }
2783
2784
2785 /*
2786 * Initial object creation happens before all other
2787 * QEMU data types are created. The majority of objects
2788 * can be created at this point. The rng-egd object
2789 * cannot be created here, as it depends on the chardev
2790 * already existing.
2791 */
2792 static bool object_create_initial(const char *type)
2793 {
2794 if (g_str_equal(type, "rng-egd")) {
2795 return false;
2796 }
2797 return true;
2798 }
2799
2800
2801 /*
2802 * The remainder of object creation happens after the
2803 * creation of chardev, fsdev and device data types.
2804 */
2805 static bool object_create_delayed(const char *type)
2806 {
2807 return !object_create_initial(type);
2808 }
2809
2810
2811 static int object_create(void *opaque, QemuOpts *opts, Error **errp)
2812 {
2813 Error *err = NULL;
2814 char *type = NULL;
2815 char *id = NULL;
2816 void *dummy = NULL;
2817 OptsVisitor *ov;
2818 QDict *pdict;
2819 bool (*type_predicate)(const char *) = opaque;
2820
2821 ov = opts_visitor_new(opts);
2822 pdict = qemu_opts_to_qdict(opts, NULL);
2823
2824 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2825 if (err) {
2826 goto out;
2827 }
2828
2829 qdict_del(pdict, "qom-type");
2830 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2831 if (err) {
2832 goto out;
2833 }
2834 if (!type_predicate(type)) {
2835 goto out;
2836 }
2837
2838 qdict_del(pdict, "id");
2839 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2840 if (err) {
2841 goto out;
2842 }
2843
2844 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2845 if (err) {
2846 goto out;
2847 }
2848 visit_end_struct(opts_get_visitor(ov), &err);
2849 if (err) {
2850 qmp_object_del(id, NULL);
2851 }
2852
2853 out:
2854 opts_visitor_cleanup(ov);
2855
2856 QDECREF(pdict);
2857 g_free(id);
2858 g_free(type);
2859 g_free(dummy);
2860 if (err) {
2861 error_report_err(err);
2862 return -1;
2863 }
2864 return 0;
2865 }
2866
2867 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2868 MachineClass *mc)
2869 {
2870 uint64_t sz;
2871 const char *mem_str;
2872 const char *maxmem_str, *slots_str;
2873 const ram_addr_t default_ram_size = mc->default_ram_size;
2874 QemuOpts *opts = qemu_find_opts_singleton("memory");
2875
2876 sz = 0;
2877 mem_str = qemu_opt_get(opts, "size");
2878 if (mem_str) {
2879 if (!*mem_str) {
2880 error_report("missing 'size' option value");
2881 exit(EXIT_FAILURE);
2882 }
2883
2884 sz = qemu_opt_get_size(opts, "size", ram_size);
2885
2886 /* Fix up legacy suffix-less format */
2887 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2888 uint64_t overflow_check = sz;
2889
2890 sz <<= 20;
2891 if ((sz >> 20) != overflow_check) {
2892 error_report("too large 'size' option value");
2893 exit(EXIT_FAILURE);
2894 }
2895 }
2896 }
2897
2898 /* backward compatibility behaviour for case "-m 0" */
2899 if (sz == 0) {
2900 sz = default_ram_size;
2901 }
2902
2903 sz = QEMU_ALIGN_UP(sz, 8192);
2904 ram_size = sz;
2905 if (ram_size != sz) {
2906 error_report("ram size too large");
2907 exit(EXIT_FAILURE);
2908 }
2909
2910 /* store value for the future use */
2911 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2912 *maxram_size = ram_size;
2913
2914 maxmem_str = qemu_opt_get(opts, "maxmem");
2915 slots_str = qemu_opt_get(opts, "slots");
2916 if (maxmem_str && slots_str) {
2917 uint64_t slots;
2918
2919 sz = qemu_opt_get_size(opts, "maxmem", 0);
2920 slots = qemu_opt_get_number(opts, "slots", 0);
2921 if (sz < ram_size) {
2922 error_report("invalid value of -m option maxmem: "
2923 "maximum memory size (0x%" PRIx64 ") must be at least "
2924 "the initial memory size (0x" RAM_ADDR_FMT ")",
2925 sz, ram_size);
2926 exit(EXIT_FAILURE);
2927 } else if (sz > ram_size) {
2928 if (!slots) {
2929 error_report("invalid value of -m option: maxmem was "
2930 "specified, but no hotplug slots were specified");
2931 exit(EXIT_FAILURE);
2932 }
2933 } else if (slots) {
2934 error_report("invalid value of -m option maxmem: "
2935 "memory slots were specified but maximum memory size "
2936 "(0x%" PRIx64 ") is equal to the initial memory size "
2937 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2938 exit(EXIT_FAILURE);
2939 }
2940
2941 *maxram_size = sz;
2942 *ram_slots = slots;
2943 } else if ((!maxmem_str && slots_str) ||
2944 (maxmem_str && !slots_str)) {
2945 error_report("invalid -m option value: missing "
2946 "'%s' option", slots_str ? "maxmem" : "slots");
2947 exit(EXIT_FAILURE);
2948 }
2949 }
2950
2951 int main(int argc, char **argv, char **envp)
2952 {
2953 int i;
2954 int snapshot, linux_boot;
2955 const char *initrd_filename;
2956 const char *kernel_filename, *kernel_cmdline;
2957 const char *boot_order = NULL;
2958 const char *boot_once = NULL;
2959 DisplayState *ds;
2960 int cyls, heads, secs, translation;
2961 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2962 QemuOptsList *olist;
2963 int optind;
2964 const char *optarg;
2965 const char *loadvm = NULL;
2966 MachineClass *machine_class;
2967 const char *cpu_model;
2968 const char *vga_model = NULL;
2969 const char *qtest_chrdev = NULL;
2970 const char *qtest_log = NULL;
2971 const char *pid_file = NULL;
2972 const char *incoming = NULL;
2973 #ifdef CONFIG_VNC
2974 int show_vnc_port = 0;
2975 #endif
2976 bool defconfig = true;
2977 bool userconfig = true;
2978 const char *log_mask = NULL;
2979 const char *log_file = NULL;
2980 GMemVTable mem_trace = {
2981 .malloc = malloc_and_trace,
2982 .realloc = realloc_and_trace,
2983 .free = free_and_trace,
2984 };
2985 const char *trace_events = NULL;
2986 const char *trace_file = NULL;
2987 ram_addr_t maxram_size;
2988 uint64_t ram_slots = 0;
2989 FILE *vmstate_dump_file = NULL;
2990 Error *main_loop_err = NULL;
2991 Error *err = NULL;
2992
2993 qemu_init_cpu_loop();
2994 qemu_mutex_lock_iothread();
2995
2996 atexit(qemu_run_exit_notifiers);
2997 error_set_progname(argv[0]);
2998 qemu_init_exec_dir(argv[0]);
2999
3000 g_mem_set_vtable(&mem_trace);
3001
3002 module_call_init(MODULE_INIT_QOM);
3003
3004 qemu_add_opts(&qemu_drive_opts);
3005 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3006 qemu_add_drive_opts(&qemu_common_drive_opts);
3007 qemu_add_drive_opts(&qemu_drive_opts);
3008 qemu_add_opts(&qemu_chardev_opts);
3009 qemu_add_opts(&qemu_device_opts);
3010 qemu_add_opts(&qemu_netdev_opts);
3011 qemu_add_opts(&qemu_net_opts);
3012 qemu_add_opts(&qemu_rtc_opts);
3013 qemu_add_opts(&qemu_global_opts);
3014 qemu_add_opts(&qemu_mon_opts);
3015 qemu_add_opts(&qemu_trace_opts);
3016 qemu_add_opts(&qemu_option_rom_opts);
3017 qemu_add_opts(&qemu_machine_opts);
3018 qemu_add_opts(&qemu_mem_opts);
3019 qemu_add_opts(&qemu_smp_opts);
3020 qemu_add_opts(&qemu_boot_opts);
3021 qemu_add_opts(&qemu_sandbox_opts);
3022 qemu_add_opts(&qemu_add_fd_opts);
3023 qemu_add_opts(&qemu_object_opts);
3024 qemu_add_opts(&qemu_tpmdev_opts);
3025 qemu_add_opts(&qemu_realtime_opts);
3026 qemu_add_opts(&qemu_msg_opts);
3027 qemu_add_opts(&qemu_name_opts);
3028 qemu_add_opts(&qemu_numa_opts);
3029 qemu_add_opts(&qemu_icount_opts);
3030 qemu_add_opts(&qemu_semihosting_config_opts);
3031 qemu_add_opts(&qemu_fw_cfg_opts);
3032
3033 runstate_init();
3034
3035 if (qcrypto_init(&err) < 0) {
3036 fprintf(stderr, "Cannot initialize crypto: %s\n",
3037 error_get_pretty(err));
3038 exit(1);
3039 }
3040 rtc_clock = QEMU_CLOCK_HOST;
3041
3042 QLIST_INIT (&vm_change_state_head);
3043 os_setup_early_signal_handling();
3044
3045 module_call_init(MODULE_INIT_MACHINE);
3046 machine_class = find_default_machine();
3047 cpu_model = NULL;
3048 snapshot = 0;
3049 cyls = heads = secs = 0;
3050 translation = BIOS_ATA_TRANSLATION_AUTO;
3051
3052 nb_nics = 0;
3053
3054 bdrv_init_with_whitelist();
3055
3056 autostart = 1;
3057
3058 /* first pass of option parsing */
3059 optind = 1;
3060 while (optind < argc) {
3061 if (argv[optind][0] != '-') {
3062 /* disk image */
3063 optind++;
3064 } else {
3065 const QEMUOption *popt;
3066
3067 popt = lookup_opt(argc, argv, &optarg, &optind);
3068 switch (popt->index) {
3069 case QEMU_OPTION_nodefconfig:
3070 defconfig = false;
3071 break;
3072 case QEMU_OPTION_nouserconfig:
3073 userconfig = false;
3074 break;
3075 }
3076 }
3077 }
3078
3079 if (defconfig) {
3080 int ret;
3081 ret = qemu_read_default_config_files(userconfig);
3082 if (ret < 0) {
3083 exit(1);
3084 }
3085 }
3086
3087 /* second pass of option parsing */
3088 optind = 1;
3089 for(;;) {
3090 if (optind >= argc)
3091 break;
3092 if (argv[optind][0] != '-') {
3093 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3094 } else {
3095 const QEMUOption *popt;
3096
3097 popt = lookup_opt(argc, argv, &optarg, &optind);
3098 if (!(popt->arch_mask & arch_type)) {
3099 printf("Option %s not supported for this target\n", popt->name);
3100 exit(1);
3101 }
3102 switch(popt->index) {
3103 case QEMU_OPTION_no_kvm_irqchip: {
3104 olist = qemu_find_opts("machine");
3105 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3106 break;
3107 }
3108 case QEMU_OPTION_cpu:
3109 /* hw initialization will check this */
3110 cpu_model = optarg;
3111 break;
3112 case QEMU_OPTION_hda:
3113 {
3114 char buf[256];
3115 if (cyls == 0)
3116 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3117 else
3118 snprintf(buf, sizeof(buf),
3119 "%s,cyls=%d,heads=%d,secs=%d%s",
3120 HD_OPTS , cyls, heads, secs,
3121 translation == BIOS_ATA_TRANSLATION_LBA ?
3122 ",trans=lba" :
3123 translation == BIOS_ATA_TRANSLATION_NONE ?
3124 ",trans=none" : "");
3125 drive_add(IF_DEFAULT, 0, optarg, buf);
3126 break;
3127 }
3128 case QEMU_OPTION_hdb:
3129 case QEMU_OPTION_hdc:
3130 case QEMU_OPTION_hdd:
3131 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3132 HD_OPTS);
3133 break;
3134 case QEMU_OPTION_drive:
3135 if (drive_def(optarg) == NULL) {
3136 exit(1);
3137 }
3138 break;
3139 case QEMU_OPTION_set:
3140 if (qemu_set_option(optarg) != 0)
3141 exit(1);
3142 break;
3143 case QEMU_OPTION_global:
3144 if (qemu_global_option(optarg) != 0)
3145 exit(1);
3146 break;
3147 case QEMU_OPTION_mtdblock:
3148 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3149 break;
3150 case QEMU_OPTION_sd:
3151 drive_add(IF_SD, -1, optarg, SD_OPTS);
3152 break;
3153 case QEMU_OPTION_pflash:
3154 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3155 break;
3156 case QEMU_OPTION_snapshot:
3157 snapshot = 1;
3158 break;
3159 case QEMU_OPTION_hdachs:
3160 {
3161 const char *p;
3162 p = optarg;
3163 cyls = strtol(p, (char **)&p, 0);
3164 if (cyls < 1 || cyls > 16383)
3165 goto chs_fail;
3166 if (*p != ',')
3167 goto chs_fail;
3168 p++;
3169 heads = strtol(p, (char **)&p, 0);
3170 if (heads < 1 || heads > 16)
3171 goto chs_fail;
3172 if (*p != ',')
3173 goto chs_fail;
3174 p++;
3175 secs = strtol(p, (char **)&p, 0);
3176 if (secs < 1 || secs > 63)
3177 goto chs_fail;
3178 if (*p == ',') {
3179 p++;
3180 if (!strcmp(p, "large")) {
3181 translation = BIOS_ATA_TRANSLATION_LARGE;
3182 } else if (!strcmp(p, "rechs")) {
3183 translation = BIOS_ATA_TRANSLATION_RECHS;
3184 } else if (!strcmp(p, "none")) {
3185 translation = BIOS_ATA_TRANSLATION_NONE;
3186 } else if (!strcmp(p, "lba")) {
3187 translation = BIOS_ATA_TRANSLATION_LBA;
3188 } else if (!strcmp(p, "auto")) {
3189 translation = BIOS_ATA_TRANSLATION_AUTO;
3190 } else {
3191 goto chs_fail;
3192 }
3193 } else if (*p != '\0') {
3194 chs_fail:
3195 fprintf(stderr, "qemu: invalid physical CHS format\n");
3196 exit(1);
3197 }
3198 if (hda_opts != NULL) {
3199 qemu_opt_set_number(hda_opts, "cyls", cyls,
3200 &error_abort);
3201 qemu_opt_set_number(hda_opts, "heads", heads,
3202 &error_abort);
3203 qemu_opt_set_number(hda_opts, "secs", secs,
3204 &error_abort);
3205 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3206 qemu_opt_set(hda_opts, "trans", "large",
3207 &error_abort);
3208 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3209 qemu_opt_set(hda_opts, "trans", "rechs",
3210 &error_abort);
3211 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3212 qemu_opt_set(hda_opts, "trans", "lba",
3213 &error_abort);
3214 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3215 qemu_opt_set(hda_opts, "trans", "none",
3216 &error_abort);
3217 }
3218 }
3219 }
3220 break;
3221 case QEMU_OPTION_numa:
3222 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3223 optarg, true);
3224 if (!opts) {
3225 exit(1);
3226 }
3227 break;
3228 case QEMU_OPTION_display:
3229 display_type = select_display(optarg);
3230 break;
3231 case QEMU_OPTION_nographic:
3232 display_type = DT_NOGRAPHIC;
3233 break;
3234 case QEMU_OPTION_curses:
3235 #ifdef CONFIG_CURSES
3236 display_type = DT_CURSES;
3237 #else
3238 fprintf(stderr, "Curses support is disabled\n");
3239 exit(1);
3240 #endif
3241 break;
3242 case QEMU_OPTION_portrait:
3243 graphic_rotate = 90;
3244 break;
3245 case QEMU_OPTION_rotate:
3246 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3247 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3248 graphic_rotate != 180 && graphic_rotate != 270) {
3249 fprintf(stderr,
3250 "qemu: only 90, 180, 270 deg rotation is available\n");
3251 exit(1);
3252 }
3253 break;
3254 case QEMU_OPTION_kernel:
3255 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3256 &error_abort);
3257 break;
3258 case QEMU_OPTION_initrd:
3259 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3260 &error_abort);
3261 break;
3262 case QEMU_OPTION_append:
3263 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3264 &error_abort);
3265 break;
3266 case QEMU_OPTION_dtb:
3267 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3268 &error_abort);
3269 break;
3270 case QEMU_OPTION_cdrom:
3271 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3272 break;
3273 case QEMU_OPTION_boot:
3274 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3275 optarg, true);
3276 if (!opts) {
3277 exit(1);
3278 }
3279 break;
3280 case QEMU_OPTION_fda:
3281 case QEMU_OPTION_fdb:
3282 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3283 optarg, FD_OPTS);
3284 break;
3285 case QEMU_OPTION_no_fd_bootchk:
3286 fd_bootchk = 0;
3287 break;
3288 case QEMU_OPTION_netdev:
3289 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3290 exit(1);
3291 }
3292 break;
3293 case QEMU_OPTION_net:
3294 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3295 exit(1);
3296 }
3297 break;
3298 #ifdef CONFIG_LIBISCSI
3299 case QEMU_OPTION_iscsi:
3300 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3301 optarg, false);
3302 if (!opts) {
3303 exit(1);
3304 }
3305 break;
3306 #endif
3307 #ifdef CONFIG_SLIRP
3308 case QEMU_OPTION_tftp:
3309 legacy_tftp_prefix = optarg;
3310 break;
3311 case QEMU_OPTION_bootp:
3312 legacy_bootp_filename = optarg;
3313 break;
3314 case QEMU_OPTION_redir:
3315 if (net_slirp_redir(optarg) < 0)
3316 exit(1);
3317 break;
3318 #endif
3319 case QEMU_OPTION_bt:
3320 add_device_config(DEV_BT, optarg);
3321 break;
3322 case QEMU_OPTION_audio_help:
3323 AUD_help ();
3324 exit (0);
3325 break;
3326 case QEMU_OPTION_soundhw:
3327 select_soundhw (optarg);
3328 break;
3329 case QEMU_OPTION_h:
3330 help(0);
3331 break;
3332 case QEMU_OPTION_version:
3333 version();
3334 exit(0);
3335 break;
3336 case QEMU_OPTION_m:
3337 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3338 optarg, true);
3339 if (!opts) {
3340 exit(EXIT_FAILURE);
3341 }
3342 break;
3343 #ifdef CONFIG_TPM
3344 case QEMU_OPTION_tpmdev:
3345 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3346 exit(1);
3347 }
3348 break;
3349 #endif
3350 case QEMU_OPTION_mempath:
3351 mem_path = optarg;
3352 break;
3353 case QEMU_OPTION_mem_prealloc:
3354 mem_prealloc = 1;
3355 break;
3356 case QEMU_OPTION_d:
3357 log_mask = optarg;
3358 break;
3359 case QEMU_OPTION_D:
3360 log_file = optarg;
3361 break;
3362 case QEMU_OPTION_s:
3363 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3364 break;
3365 case QEMU_OPTION_gdb:
3366 add_device_config(DEV_GDB, optarg);
3367 break;
3368 case QEMU_OPTION_L:
3369 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3370 data_dir[data_dir_idx++] = optarg;
3371 }
3372 break;
3373 case QEMU_OPTION_bios:
3374 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3375 &error_abort);
3376 break;
3377 case QEMU_OPTION_singlestep:
3378 singlestep = 1;
3379 break;
3380 case QEMU_OPTION_S:
3381 autostart = 0;
3382 break;
3383 case QEMU_OPTION_k:
3384 keyboard_layout = optarg;
3385 break;
3386 case QEMU_OPTION_localtime:
3387 rtc_utc = 0;
3388 break;
3389 case QEMU_OPTION_vga:
3390 vga_model = optarg;
3391 default_vga = 0;
3392 break;
3393 case QEMU_OPTION_g:
3394 {
3395 const char *p;
3396 int w, h, depth;
3397 p = optarg;
3398 w = strtol(p, (char **)&p, 10);
3399 if (w <= 0) {
3400 graphic_error:
3401 fprintf(stderr, "qemu: invalid resolution or depth\n");
3402 exit(1);
3403 }
3404 if (*p != 'x')
3405 goto graphic_error;
3406 p++;
3407 h = strtol(p, (char **)&p, 10);
3408 if (h <= 0)
3409 goto graphic_error;
3410 if (*p == 'x') {
3411 p++;
3412 depth = strtol(p, (char **)&p, 10);
3413 if (depth != 8 && depth != 15 && depth != 16 &&
3414 depth != 24 && depth != 32)
3415 goto graphic_error;
3416 } else if (*p == '\0') {
3417 depth = graphic_depth;
3418 } else {
3419 goto graphic_error;
3420 }
3421
3422 graphic_width = w;
3423 graphic_height = h;
3424 graphic_depth = depth;
3425 }
3426 break;
3427 case QEMU_OPTION_echr:
3428 {
3429 char *r;
3430 term_escape_char = strtol(optarg, &r, 0);
3431 if (r == optarg)
3432 printf("Bad argument to echr\n");
3433 break;
3434 }
3435 case QEMU_OPTION_monitor:
3436 default_monitor = 0;
3437 if (strncmp(optarg, "none", 4)) {
3438 monitor_parse(optarg, "readline", false);
3439 }
3440 break;
3441 case QEMU_OPTION_qmp:
3442 monitor_parse(optarg, "control", false);
3443 default_monitor = 0;
3444 break;
3445 case QEMU_OPTION_qmp_pretty:
3446 monitor_parse(optarg, "control", true);
3447 default_monitor = 0;
3448 break;
3449 case QEMU_OPTION_mon:
3450 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3451 true);
3452 if (!opts) {
3453 exit(1);
3454 }
3455 default_monitor = 0;
3456 break;
3457 case QEMU_OPTION_chardev:
3458 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3459 optarg, true);
3460 if (!opts) {
3461 exit(1);
3462 }
3463 break;
3464 case QEMU_OPTION_fsdev:
3465 olist = qemu_find_opts("fsdev");
3466 if (!olist) {
3467 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3468 exit(1);
3469 }
3470 opts = qemu_opts_parse_noisily(olist, optarg, true);
3471 if (!opts) {
3472 exit(1);
3473 }
3474 break;
3475 case QEMU_OPTION_virtfs: {
3476 QemuOpts *fsdev;
3477 QemuOpts *device;
3478 const char *writeout, *sock_fd, *socket;
3479
3480 olist = qemu_find_opts("virtfs");
3481 if (!olist) {
3482 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3483 exit(1);
3484 }
3485 opts = qemu_opts_parse_noisily(olist, optarg, true);
3486 if (!opts) {
3487 exit(1);
3488 }
3489
3490 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3491 qemu_opt_get(opts, "mount_tag") == NULL) {
3492 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3493 exit(1);
3494 }
3495 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3496 qemu_opt_get(opts, "mount_tag"),
3497 1, NULL);
3498 if (!fsdev) {
3499 fprintf(stderr, "duplicate fsdev id: %s\n",
3500 qemu_opt_get(opts, "mount_tag"));
3501 exit(1);
3502 }
3503
3504 writeout = qemu_opt_get(opts, "writeout");
3505 if (writeout) {
3506 #ifdef CONFIG_SYNC_FILE_RANGE
3507 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3508 #else
3509 fprintf(stderr, "writeout=immediate not supported on "
3510 "this platform\n");
3511 exit(1);
3512 #endif
3513 }
3514 qemu_opt_set(fsdev, "fsdriver",
3515 qemu_opt_get(opts, "fsdriver"), &error_abort);
3516 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3517 &error_abort);
3518 qemu_opt_set(fsdev, "security_model",
3519 qemu_opt_get(opts, "security_model"),
3520 &error_abort);
3521 socket = qemu_opt_get(opts, "socket");
3522 if (socket) {
3523 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3524 }
3525 sock_fd = qemu_opt_get(opts, "sock_fd");
3526 if (sock_fd) {
3527 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3528 }
3529
3530 qemu_opt_set_bool(fsdev, "readonly",
3531 qemu_opt_get_bool(opts, "readonly", 0),
3532 &error_abort);
3533 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3534 &error_abort);
3535 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3536 qemu_opt_set(device, "fsdev",
3537 qemu_opt_get(opts, "mount_tag"), &error_abort);
3538 qemu_opt_set(device, "mount_tag",
3539 qemu_opt_get(opts, "mount_tag"), &error_abort);
3540 break;
3541 }
3542 case QEMU_OPTION_virtfs_synth: {
3543 QemuOpts *fsdev;
3544 QemuOpts *device;
3545
3546 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3547 1, NULL);
3548 if (!fsdev) {
3549 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3550 exit(1);
3551 }
3552 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3553
3554 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3555 &error_abort);
3556 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3557 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3558 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3559 break;
3560 }
3561 case QEMU_OPTION_serial:
3562 add_device_config(DEV_SERIAL, optarg);
3563 default_serial = 0;
3564 if (strncmp(optarg, "mon:", 4) == 0) {
3565 default_monitor = 0;
3566 }
3567 break;
3568 case QEMU_OPTION_watchdog:
3569 if (watchdog) {
3570 fprintf(stderr,
3571 "qemu: only one watchdog option may be given\n");
3572 return 1;
3573 }
3574 watchdog = optarg;
3575 break;
3576 case QEMU_OPTION_watchdog_action:
3577 if (select_watchdog_action(optarg) == -1) {
3578 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3579 exit(1);
3580 }
3581 break;
3582 case QEMU_OPTION_virtiocon:
3583 add_device_config(DEV_VIRTCON, optarg);
3584 default_virtcon = 0;
3585 if (strncmp(optarg, "mon:", 4) == 0) {
3586 default_monitor = 0;
3587 }
3588 break;
3589 case QEMU_OPTION_parallel:
3590 add_device_config(DEV_PARALLEL, optarg);
3591 default_parallel = 0;
3592 if (strncmp(optarg, "mon:", 4) == 0) {
3593 default_monitor = 0;
3594 }
3595 break;
3596 case QEMU_OPTION_debugcon:
3597 add_device_config(DEV_DEBUGCON, optarg);
3598 break;
3599 case QEMU_OPTION_loadvm:
3600 loadvm = optarg;
3601 break;
3602 case QEMU_OPTION_full_screen:
3603 full_screen = 1;
3604 break;
3605 case QEMU_OPTION_no_frame:
3606 no_frame = 1;
3607 break;
3608 case QEMU_OPTION_alt_grab:
3609 alt_grab = 1;
3610 break;
3611 case QEMU_OPTION_ctrl_grab:
3612 ctrl_grab = 1;
3613 break;
3614 case QEMU_OPTION_no_quit:
3615 no_quit = 1;
3616 break;
3617 case QEMU_OPTION_sdl:
3618 #ifdef CONFIG_SDL
3619 display_type = DT_SDL;
3620 break;
3621 #else
3622 fprintf(stderr, "SDL support is disabled\n");
3623 exit(1);
3624 #endif
3625 case QEMU_OPTION_pidfile:
3626 pid_file = optarg;
3627 break;
3628 case QEMU_OPTION_win2k_hack:
3629 win2k_install_hack = 1;
3630 break;
3631 case QEMU_OPTION_rtc_td_hack: {
3632 static GlobalProperty slew_lost_ticks[] = {
3633 {
3634 .driver = "mc146818rtc",
3635 .property = "lost_tick_policy",
3636 .value = "slew",
3637 },
3638 { /* end of list */ }
3639 };
3640
3641 qdev_prop_register_global_list(slew_lost_ticks);
3642 break;
3643 }
3644 case QEMU_OPTION_acpitable:
3645 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3646 optarg, true);
3647 if (!opts) {
3648 exit(1);
3649 }
3650 do_acpitable_option(opts);
3651 break;
3652 case QEMU_OPTION_smbios:
3653 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3654 optarg, false);
3655 if (!opts) {
3656 exit(1);
3657 }
3658 do_smbios_option(opts);
3659 break;
3660 case QEMU_OPTION_fwcfg:
3661 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3662 optarg, true);
3663 if (opts == NULL) {
3664 exit(1);
3665 }
3666 break;
3667 case QEMU_OPTION_enable_kvm:
3668 olist = qemu_find_opts("machine");
3669 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3670 break;
3671 case QEMU_OPTION_M:
3672 case QEMU_OPTION_machine:
3673 olist = qemu_find_opts("machine");
3674 opts = qemu_opts_parse_noisily(olist, optarg, true);
3675 if (!opts) {
3676 exit(1);
3677 }
3678 break;
3679 case QEMU_OPTION_no_kvm:
3680 olist = qemu_find_opts("machine");
3681 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3682 break;
3683 case QEMU_OPTION_no_kvm_pit: {
3684 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3685 "separately.\n");
3686 break;
3687 }
3688 case QEMU_OPTION_no_kvm_pit_reinjection: {
3689 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3690 {
3691 .driver = "kvm-pit",
3692 .property = "lost_tick_policy",
3693 .value = "discard",
3694 },
3695 { /* end of list */ }
3696 };
3697
3698 fprintf(stderr, "Warning: option deprecated, use "
3699 "lost_tick_policy property of kvm-pit instead.\n");
3700 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3701 break;
3702 }
3703 case QEMU_OPTION_usb:
3704 olist = qemu_find_opts("machine");
3705 qemu_opts_parse_noisily(olist, "usb=on", false);
3706 break;
3707 case QEMU_OPTION_usbdevice:
3708 olist = qemu_find_opts("machine");
3709 qemu_opts_parse_noisily(olist, "usb=on", false);
3710 add_device_config(DEV_USB, optarg);
3711 break;
3712 case QEMU_OPTION_device:
3713 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3714 optarg, true)) {
3715 exit(1);
3716 }
3717 break;
3718 case QEMU_OPTION_smp:
3719 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3720 optarg, true)) {
3721 exit(1);
3722 }
3723 break;
3724 case QEMU_OPTION_vnc:
3725 {
3726 #ifdef CONFIG_VNC
3727 Error *local_err = NULL;
3728
3729 if (vnc_parse(optarg, &local_err) == NULL) {
3730 error_report_err(local_err);
3731 exit(1);
3732 }
3733 #else
3734 fprintf(stderr, "VNC support is disabled\n");
3735 exit(1);
3736 #endif
3737 break;
3738 }
3739 case QEMU_OPTION_no_acpi:
3740 acpi_enabled = 0;
3741 break;
3742 case QEMU_OPTION_no_hpet:
3743 no_hpet = 1;
3744 break;
3745 case QEMU_OPTION_balloon:
3746 if (balloon_parse(optarg) < 0) {
3747 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3748 exit(1);
3749 }
3750 break;
3751 case QEMU_OPTION_no_reboot:
3752 no_reboot = 1;
3753 break;
3754 case QEMU_OPTION_no_shutdown:
3755 no_shutdown = 1;
3756 break;
3757 case QEMU_OPTION_show_cursor:
3758 cursor_hide = 0;
3759 break;
3760 case QEMU_OPTION_uuid:
3761 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3762 fprintf(stderr, "Fail to parse UUID string."
3763 " Wrong format.\n");
3764 exit(1);
3765 }
3766 qemu_uuid_set = true;
3767 break;
3768 case QEMU_OPTION_option_rom:
3769 if (nb_option_roms >= MAX_OPTION_ROMS) {
3770 fprintf(stderr, "Too many option ROMs\n");
3771 exit(1);
3772 }
3773 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3774 optarg, true);
3775 if (!opts) {
3776 exit(1);
3777 }
3778 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3779 option_rom[nb_option_roms].bootindex =
3780 qemu_opt_get_number(opts, "bootindex", -1);
3781 if (!option_rom[nb_option_roms].name) {
3782 fprintf(stderr, "Option ROM file is not specified\n");
3783 exit(1);
3784 }
3785 nb_option_roms++;
3786 break;
3787 case QEMU_OPTION_semihosting:
3788 semihosting.enabled = true;
3789 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3790 break;
3791 case QEMU_OPTION_semihosting_config:
3792 semihosting.enabled = true;
3793 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3794 optarg, false);
3795 if (opts != NULL) {
3796 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3797 true);
3798 const char *target = qemu_opt_get(opts, "target");
3799 if (target != NULL) {
3800 if (strcmp("native", target) == 0) {
3801 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3802 } else if (strcmp("gdb", target) == 0) {
3803 semihosting.target = SEMIHOSTING_TARGET_GDB;
3804 } else if (strcmp("auto", target) == 0) {
3805 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3806 } else {
3807 fprintf(stderr, "Unsupported semihosting-config"
3808 " %s\n",
3809 optarg);
3810 exit(1);
3811 }
3812 } else {
3813 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3814 }
3815 /* Set semihosting argument count and vector */
3816 qemu_opt_foreach(opts, add_semihosting_arg,
3817 &semihosting, NULL);
3818 } else {
3819 fprintf(stderr, "Unsupported semihosting-config %s\n",
3820 optarg);
3821 exit(1);
3822 }
3823 break;
3824 case QEMU_OPTION_tdf:
3825 fprintf(stderr, "Warning: user space PIT time drift fix "
3826 "is no longer supported.\n");
3827 break;
3828 case QEMU_OPTION_name:
3829 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3830 optarg, true);
3831 if (!opts) {
3832 exit(1);
3833 }
3834 break;
3835 case QEMU_OPTION_prom_env:
3836 if (nb_prom_envs >= MAX_PROM_ENVS) {
3837 fprintf(stderr, "Too many prom variables\n");
3838 exit(1);
3839 }
3840 prom_envs[nb_prom_envs] = optarg;
3841 nb_prom_envs++;
3842 break;
3843 case QEMU_OPTION_old_param:
3844 old_param = 1;
3845 break;
3846 case QEMU_OPTION_clock:
3847 /* Clock options no longer exist. Keep this option for
3848 * backward compatibility.
3849 */
3850 break;
3851 case QEMU_OPTION_startdate:
3852 configure_rtc_date_offset(optarg, 1);
3853 break;
3854 case QEMU_OPTION_rtc:
3855 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3856 false);
3857 if (!opts) {
3858 exit(1);
3859 }
3860 configure_rtc(opts);
3861 break;
3862 case QEMU_OPTION_tb_size:
3863 tcg_tb_size = strtol(optarg, NULL, 0);
3864 if (tcg_tb_size < 0) {
3865 tcg_tb_size = 0;
3866 }
3867 break;
3868 case QEMU_OPTION_icount:
3869 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3870 optarg, true);
3871 if (!icount_opts) {
3872 exit(1);
3873 }
3874 break;
3875 case QEMU_OPTION_incoming:
3876 if (!incoming) {
3877 runstate_set(RUN_STATE_INMIGRATE);
3878 }
3879 incoming = optarg;
3880 break;
3881 case QEMU_OPTION_nodefaults:
3882 has_defaults = 0;
3883 break;
3884 case QEMU_OPTION_xen_domid:
3885 if (!(xen_available())) {
3886 printf("Option %s not supported for this target\n", popt->name);
3887 exit(1);
3888 }
3889 xen_domid = atoi(optarg);
3890 break;
3891 case QEMU_OPTION_xen_create:
3892 if (!(xen_available())) {
3893 printf("Option %s not supported for this target\n", popt->name);
3894 exit(1);
3895 }
3896 xen_mode = XEN_CREATE;
3897 break;
3898 case QEMU_OPTION_xen_attach:
3899 if (!(xen_available())) {
3900 printf("Option %s not supported for this target\n", popt->name);
3901 exit(1);
3902 }
3903 xen_mode = XEN_ATTACH;
3904 break;
3905 case QEMU_OPTION_trace:
3906 {
3907 opts = qemu_opts_parse_noisily(qemu_find_opts("trace"),
3908 optarg, false);
3909 if (!opts) {
3910 exit(1);
3911 }
3912 trace_events = qemu_opt_get(opts, "events");
3913 trace_file = qemu_opt_get(opts, "file");
3914 break;
3915 }
3916 case QEMU_OPTION_readconfig:
3917 {
3918 int ret = qemu_read_config_file(optarg);
3919 if (ret < 0) {
3920 fprintf(stderr, "read config %s: %s\n", optarg,
3921 strerror(-ret));
3922 exit(1);
3923 }
3924 break;
3925 }
3926 case QEMU_OPTION_spice:
3927 olist = qemu_find_opts("spice");
3928 if (!olist) {
3929 fprintf(stderr, "spice is not supported by this qemu build.\n");
3930 exit(1);
3931 }
3932 opts = qemu_opts_parse_noisily(olist, optarg, false);
3933 if (!opts) {
3934 exit(1);
3935 }
3936 display_remote++;
3937 break;
3938 case QEMU_OPTION_writeconfig:
3939 {
3940 FILE *fp;
3941 if (strcmp(optarg, "-") == 0) {
3942 fp = stdout;
3943 } else {
3944 fp = fopen(optarg, "w");
3945 if (fp == NULL) {
3946 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3947 exit(1);
3948 }
3949 }
3950 qemu_config_write(fp);
3951 if (fp != stdout) {
3952 fclose(fp);
3953 }
3954 break;
3955 }
3956 case QEMU_OPTION_qtest:
3957 qtest_chrdev = optarg;
3958 break;
3959 case QEMU_OPTION_qtest_log:
3960 qtest_log = optarg;
3961 break;
3962 case QEMU_OPTION_sandbox:
3963 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3964 optarg, true);
3965 if (!opts) {
3966 exit(1);
3967 }
3968 break;
3969 case QEMU_OPTION_add_fd:
3970 #ifndef _WIN32
3971 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3972 optarg, false);
3973 if (!opts) {
3974 exit(1);
3975 }
3976 #else
3977 error_report("File descriptor passing is disabled on this "
3978 "platform");
3979 exit(1);
3980 #endif
3981 break;
3982 case QEMU_OPTION_object:
3983 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3984 optarg, true);
3985 if (!opts) {
3986 exit(1);
3987 }
3988 break;
3989 case QEMU_OPTION_realtime:
3990 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3991 optarg, false);
3992 if (!opts) {
3993 exit(1);
3994 }
3995 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3996 break;
3997 case QEMU_OPTION_msg:
3998 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3999 false);
4000 if (!opts) {
4001 exit(1);
4002 }
4003 configure_msg(opts);
4004 break;
4005 case QEMU_OPTION_dump_vmstate:
4006 if (vmstate_dump_file) {
4007 fprintf(stderr, "qemu: only one '-dump-vmstate' "
4008 "option may be given\n");
4009 exit(1);
4010 }
4011 vmstate_dump_file = fopen(optarg, "w");
4012 if (vmstate_dump_file == NULL) {
4013 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
4014 exit(1);
4015 }
4016 break;
4017 default:
4018 os_parse_cmd_args(popt->index, optarg);
4019 }
4020 }
4021 }
4022
4023 opts = qemu_get_machine_opts();
4024 optarg = qemu_opt_get(opts, "type");
4025 if (optarg) {
4026 machine_class = machine_parse(optarg);
4027 }
4028
4029 if (machine_class == NULL) {
4030 fprintf(stderr, "No machine specified, and there is no default.\n"
4031 "Use -machine help to list supported machines!\n");
4032 exit(1);
4033 }
4034
4035 set_memory_options(&ram_slots, &maxram_size, machine_class);
4036
4037 loc_set_none();
4038
4039 os_daemonize();
4040
4041 if (qemu_init_main_loop(&main_loop_err)) {
4042 error_report_err(main_loop_err);
4043 exit(1);
4044 }
4045
4046 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4047 parse_sandbox, NULL, NULL)) {
4048 exit(1);
4049 }
4050
4051 if (qemu_opts_foreach(qemu_find_opts("name"),
4052 parse_name, NULL, NULL)) {
4053 exit(1);
4054 }
4055
4056 #ifndef _WIN32
4057 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4058 parse_add_fd, NULL, NULL)) {
4059 exit(1);
4060 }
4061
4062 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4063 cleanup_add_fd, NULL, NULL)) {
4064 exit(1);
4065 }
4066 #endif
4067
4068 current_machine = MACHINE(object_new(object_class_get_name(
4069 OBJECT_CLASS(machine_class))));
4070 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4071 exit(0);
4072 }
4073 object_property_add_child(object_get_root(), "machine",
4074 OBJECT(current_machine), &error_abort);
4075 cpu_exec_init_all();
4076
4077 if (machine_class->hw_version) {
4078 qemu_set_version(machine_class->hw_version);
4079 }
4080
4081 /* Init CPU def lists, based on config
4082 * - Must be called after all the qemu_read_config_file() calls
4083 * - Must be called before list_cpus()
4084 * - Must be called before machine->init()
4085 */
4086 cpudef_init();
4087
4088 if (cpu_model && is_help_option(cpu_model)) {
4089 list_cpus(stdout, &fprintf, cpu_model);
4090 exit(0);
4091 }
4092
4093 /* Open the logfile at this point and set the log mask if necessary.
4094 */
4095 if (log_file) {
4096 qemu_set_log_filename(log_file);
4097 }
4098
4099 if (log_mask) {
4100 int mask;
4101 mask = qemu_str_to_log_mask(log_mask);
4102 if (!mask) {
4103 qemu_print_log_usage(stdout);
4104 exit(1);
4105 }
4106 qemu_set_log(mask);
4107 }
4108
4109 if (!is_daemonized()) {
4110 if (!trace_init_backends(trace_events, trace_file)) {
4111 exit(1);
4112 }
4113 }
4114
4115 /* If no data_dir is specified then try to find it relative to the
4116 executable path. */
4117 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4118 data_dir[data_dir_idx] = os_find_datadir();
4119 if (data_dir[data_dir_idx] != NULL) {
4120 data_dir_idx++;
4121 }
4122 }
4123 /* If all else fails use the install path specified when building. */
4124 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4125 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4126 }
4127
4128 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4129
4130 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4131 if (max_cpus > machine_class->max_cpus) {
4132 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
4133 "supported by machine `%s' (%d)\n", max_cpus,
4134 machine_class->name, machine_class->max_cpus);
4135 exit(1);
4136 }
4137
4138 /*
4139 * Get the default machine options from the machine if it is not already
4140 * specified either by the configuration file or by the command line.
4141 */
4142 if (machine_class->default_machine_opts) {
4143 qemu_opts_set_defaults(qemu_find_opts("machine"),
4144 machine_class->default_machine_opts, 0);
4145 }
4146
4147 qemu_opts_foreach(qemu_find_opts("device"),
4148 default_driver_check, NULL, NULL);
4149 qemu_opts_foreach(qemu_find_opts("global"),
4150 default_driver_check, NULL, NULL);
4151
4152 if (!vga_model && !default_vga) {
4153 vga_interface_type = VGA_DEVICE;
4154 }
4155 if (!has_defaults || machine_class->no_serial) {
4156 default_serial = 0;
4157 }
4158 if (!has_defaults || machine_class->no_parallel) {
4159 default_parallel = 0;
4160 }
4161 if (!has_defaults || !machine_class->use_virtcon) {
4162 default_virtcon = 0;
4163 }
4164 if (!has_defaults || !machine_class->use_sclp) {
4165 default_sclp = 0;
4166 }
4167 if (!has_defaults || machine_class->no_floppy) {
4168 default_floppy = 0;
4169 }
4170 if (!has_defaults || machine_class->no_cdrom) {
4171 default_cdrom = 0;
4172 }
4173 if (!has_defaults || machine_class->no_sdcard) {
4174 default_sdcard = 0;
4175 }
4176 if (!has_defaults) {
4177 default_monitor = 0;
4178 default_net = 0;
4179 default_vga = 0;
4180 }
4181
4182 if (is_daemonized()) {
4183 /* According to documentation and historically, -nographic redirects
4184 * serial port, parallel port and monitor to stdio, which does not work
4185 * with -daemonize. We can redirect these to null instead, but since
4186 * -nographic is legacy, let's just error out.
4187 * We disallow -nographic only if all other ports are not redirected
4188 * explicitly, to not break existing legacy setups which uses
4189 * -nographic _and_ redirects all ports explicitly - this is valid
4190 * usage, -nographic is just a no-op in this case.
4191 */
4192 if (display_type == DT_NOGRAPHIC
4193 && (default_parallel || default_serial
4194 || default_monitor || default_virtcon)) {
4195 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4196 exit(1);
4197 }
4198 #ifdef CONFIG_CURSES
4199 if (display_type == DT_CURSES) {
4200 fprintf(stderr, "curses display can not be used with -daemonize\n");
4201 exit(1);
4202 }
4203 #endif
4204 }
4205
4206 if (display_type == DT_NOGRAPHIC) {
4207 if (default_parallel)
4208 add_device_config(DEV_PARALLEL, "null");
4209 if (default_serial && default_monitor) {
4210 add_device_config(DEV_SERIAL, "mon:stdio");
4211 } else if (default_virtcon && default_monitor) {
4212 add_device_config(DEV_VIRTCON, "mon:stdio");
4213 } else if (default_sclp && default_monitor) {
4214 add_device_config(DEV_SCLP, "mon:stdio");
4215 } else {
4216 if (default_serial)
4217 add_device_config(DEV_SERIAL, "stdio");
4218 if (default_virtcon)
4219 add_device_config(DEV_VIRTCON, "stdio");
4220 if (default_sclp) {
4221 add_device_config(DEV_SCLP, "stdio");
4222 }
4223 if (default_monitor)
4224 monitor_parse("stdio", "readline", false);
4225 }
4226 } else {
4227 if (default_serial)
4228 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4229 if (default_parallel)
4230 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4231 if (default_monitor)
4232 monitor_parse("vc:80Cx24C", "readline", false);
4233 if (default_virtcon)
4234 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4235 if (default_sclp) {
4236 add_device_config(DEV_SCLP, "vc:80Cx24C");
4237 }
4238 }
4239
4240 #if defined(CONFIG_VNC)
4241 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4242 display_remote++;
4243 }
4244 #endif
4245 if (display_type == DT_DEFAULT && !display_remote) {
4246 #if defined(CONFIG_GTK)
4247 display_type = DT_GTK;
4248 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4249 display_type = DT_SDL;
4250 #elif defined(CONFIG_VNC)
4251 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4252 show_vnc_port = 1;
4253 #else
4254 display_type = DT_NONE;
4255 #endif
4256 }
4257
4258 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4259 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4260 "for SDL, ignoring option\n");
4261 }
4262 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4263 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4264 "ignoring option\n");
4265 }
4266
4267 #if defined(CONFIG_GTK)
4268 if (display_type == DT_GTK) {
4269 early_gtk_display_init(request_opengl);
4270 }
4271 #endif
4272 #if defined(CONFIG_SDL)
4273 if (display_type == DT_SDL) {
4274 sdl_display_early_init(request_opengl);
4275 }
4276 #endif
4277 if (request_opengl == 1 && display_opengl == 0) {
4278 #if defined(CONFIG_OPENGL)
4279 fprintf(stderr, "OpenGL is not supported by the display.\n");
4280 #else
4281 fprintf(stderr, "QEMU was built without opengl support.\n");
4282 #endif
4283 exit(1);
4284 }
4285
4286 socket_init();
4287
4288 if (qemu_opts_foreach(qemu_find_opts("object"),
4289 object_create,
4290 object_create_initial, NULL)) {
4291 exit(1);
4292 }
4293
4294 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4295 chardev_init_func, NULL, NULL)) {
4296 exit(1);
4297 }
4298
4299 #ifdef CONFIG_VIRTFS
4300 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4301 fsdev_init_func, NULL, NULL)) {
4302 exit(1);
4303 }
4304 #endif
4305
4306 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4307 fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
4308 exit(1);
4309 }
4310
4311 if (qemu_opts_foreach(qemu_find_opts("device"),
4312 device_help_func, NULL, NULL)) {
4313 exit(0);
4314 }
4315
4316 if (qemu_opts_foreach(qemu_find_opts("object"),
4317 object_create,
4318 object_create_delayed, NULL)) {
4319 exit(1);
4320 }
4321
4322 machine_opts = qemu_get_machine_opts();
4323 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4324 NULL)) {
4325 object_unref(OBJECT(current_machine));
4326 exit(1);
4327 }
4328
4329 configure_accelerator(current_machine);
4330
4331 if (qtest_chrdev) {
4332 Error *local_err = NULL;
4333 qtest_init(qtest_chrdev, qtest_log, &local_err);
4334 if (local_err) {
4335 error_report_err(local_err);
4336 exit(1);
4337 }
4338 }
4339
4340 machine_opts = qemu_get_machine_opts();
4341 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4342 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4343 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4344 bios_name = qemu_opt_get(machine_opts, "firmware");
4345
4346 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4347 if (opts) {
4348 Error *local_err = NULL;
4349
4350 boot_order = qemu_opt_get(opts, "order");
4351 if (boot_order) {
4352 validate_bootdevices(boot_order, &local_err);
4353 if (local_err) {
4354 error_report_err(local_err);
4355 exit(1);
4356 }
4357 }
4358
4359 boot_once = qemu_opt_get(opts, "once");
4360 if (boot_once) {
4361 validate_bootdevices(boot_once, &local_err);
4362 if (local_err) {
4363 error_report_err(local_err);
4364 exit(1);
4365 }
4366 }
4367
4368 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4369 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4370 }
4371
4372 if (!boot_order) {
4373 boot_order = machine_class->default_boot_order;
4374 }
4375
4376 if (!kernel_cmdline) {
4377 kernel_cmdline = "";
4378 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4379 }
4380
4381 linux_boot = (kernel_filename != NULL);
4382
4383 if (!linux_boot && *kernel_cmdline != '\0') {
4384 fprintf(stderr, "-append only allowed with -kernel option\n");
4385 exit(1);
4386 }
4387
4388 if (!linux_boot && initrd_filename != NULL) {
4389 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4390 exit(1);
4391 }
4392
4393 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4394 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4395 exit(1);
4396 }
4397
4398 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4399 /* fall back to the -kernel/-append */
4400 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4401 }
4402
4403 os_set_line_buffering();
4404
4405 #ifdef CONFIG_SPICE
4406 /* spice needs the timers to be initialized by this point */
4407 qemu_spice_init();
4408 #endif
4409
4410 cpu_ticks_init();
4411 if (icount_opts) {
4412 if (kvm_enabled() || xen_enabled()) {
4413 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4414 exit(1);
4415 }
4416 configure_icount(icount_opts, &error_abort);
4417 qemu_opts_del(icount_opts);
4418 }
4419
4420 /* clean up network at qemu process termination */
4421 atexit(&net_cleanup);
4422
4423 if (net_init_clients() < 0) {
4424 exit(1);
4425 }
4426
4427 #ifdef CONFIG_TPM
4428 if (tpm_init() < 0) {
4429 exit(1);
4430 }
4431 #endif
4432
4433 /* init the bluetooth world */
4434 if (foreach_device_config(DEV_BT, bt_parse))
4435 exit(1);
4436
4437 if (!xen_enabled()) {
4438 /* On 32-bit hosts, QEMU is limited by virtual address space */
4439 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4440 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4441 exit(1);
4442 }
4443 }
4444
4445 blk_mig_init();
4446 ram_mig_init();
4447
4448 /* If the currently selected machine wishes to override the units-per-bus
4449 * property of its default HBA interface type, do so now. */
4450 if (machine_class->units_per_default_bus) {
4451 override_max_devs(machine_class->block_default_type,
4452 machine_class->units_per_default_bus);
4453 }
4454
4455 /* open the virtual block devices */
4456 if (snapshot)
4457 qemu_opts_foreach(qemu_find_opts("drive"),
4458 drive_enable_snapshot, NULL, NULL);
4459 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4460 &machine_class->block_default_type, NULL)) {
4461 exit(1);
4462 }
4463
4464 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4465 CDROM_OPTS);
4466 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4467 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4468
4469 parse_numa_opts(machine_class);
4470
4471 if (qemu_opts_foreach(qemu_find_opts("mon"),
4472 mon_init_func, NULL, NULL)) {
4473 exit(1);
4474 }
4475
4476 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4477 exit(1);
4478 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4479 exit(1);
4480 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4481 exit(1);
4482 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4483 exit(1);
4484 }
4485 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4486 exit(1);
4487
4488 /* If no default VGA is requested, the default is "none". */
4489 if (default_vga) {
4490 if (machine_class->default_display) {
4491 vga_model = machine_class->default_display;
4492 } else if (cirrus_vga_available()) {
4493 vga_model = "cirrus";
4494 } else if (vga_available()) {
4495 vga_model = "std";
4496 }
4497 }
4498 if (vga_model) {
4499 select_vgahw(vga_model);
4500 }
4501
4502 if (watchdog) {
4503 i = select_watchdog(watchdog);
4504 if (i > 0)
4505 exit (i == 1 ? 1 : 0);
4506 }
4507
4508 if (machine_class->compat_props) {
4509 qdev_prop_register_global_list(machine_class->compat_props);
4510 }
4511 qemu_add_globals();
4512
4513 qdev_machine_init();
4514
4515 current_machine->ram_size = ram_size;
4516 current_machine->maxram_size = maxram_size;
4517 current_machine->ram_slots = ram_slots;
4518 current_machine->boot_order = boot_order;
4519 current_machine->cpu_model = cpu_model;
4520
4521 machine_class->init(current_machine);
4522
4523 realtime_init();
4524
4525 audio_init();
4526
4527 cpu_synchronize_all_post_init();
4528
4529 numa_post_machine_init();
4530
4531 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4532 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4533 exit(1);
4534 }
4535
4536 /* init USB devices */
4537 if (usb_enabled()) {
4538 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4539 exit(1);
4540 }
4541
4542 /* Check if IGD GFX passthrough. */
4543 igd_gfx_passthru();
4544
4545 /* init generic devices */
4546 if (qemu_opts_foreach(qemu_find_opts("device"),
4547 device_init_func, NULL, NULL)) {
4548 exit(1);
4549 }
4550
4551 /* Did we create any drives that we failed to create a device for? */
4552 drive_check_orphaned();
4553
4554 net_check_clients();
4555
4556 if (boot_once) {
4557 Error *local_err = NULL;
4558 qemu_boot_set(boot_once, &local_err);
4559 if (local_err) {
4560 error_report("%s", error_get_pretty(local_err));
4561 exit(1);
4562 }
4563 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4564 }
4565
4566 ds = init_displaystate();
4567
4568 /* init local displays */
4569 switch (display_type) {
4570 case DT_NOGRAPHIC:
4571 (void)ds; /* avoid warning if no display is configured */
4572 break;
4573 #if defined(CONFIG_CURSES)
4574 case DT_CURSES:
4575 curses_display_init(ds, full_screen);
4576 break;
4577 #endif
4578 #if defined(CONFIG_SDL)
4579 case DT_SDL:
4580 sdl_display_init(ds, full_screen, no_frame);
4581 break;
4582 #elif defined(CONFIG_COCOA)
4583 case DT_SDL:
4584 cocoa_display_init(ds, full_screen);
4585 break;
4586 #endif
4587 #if defined(CONFIG_GTK)
4588 case DT_GTK:
4589 gtk_display_init(ds, full_screen, grab_on_hover);
4590 break;
4591 #endif
4592 default:
4593 break;
4594 }
4595
4596 /* must be after terminal init, SDL library changes signal handlers */
4597 os_setup_signal_handling();
4598
4599 #ifdef CONFIG_VNC
4600 /* init remote displays */
4601 qemu_opts_foreach(qemu_find_opts("vnc"),
4602 vnc_init_func, NULL, NULL);
4603 if (show_vnc_port) {
4604 char *ret = vnc_display_local_addr("default");
4605 printf("VNC server running on `%s'\n", ret);
4606 g_free(ret);
4607 }
4608 #endif
4609 #ifdef CONFIG_SPICE
4610 if (using_spice) {
4611 qemu_spice_display_init();
4612 }
4613 #endif
4614
4615 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4616 exit(1);
4617 }
4618
4619 qdev_machine_creation_done();
4620
4621 /* TODO: once all bus devices are qdevified, this should be done
4622 * when bus is created by qdev.c */
4623 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4624 qemu_run_machine_init_done_notifiers();
4625
4626 if (rom_check_and_register_reset() != 0) {
4627 fprintf(stderr, "rom check and register reset failed\n");
4628 exit(1);
4629 }
4630
4631 qemu_system_reset(VMRESET_SILENT);
4632 register_global_state();
4633 if (loadvm) {
4634 if (load_vmstate(loadvm) < 0) {
4635 autostart = 0;
4636 }
4637 }
4638
4639 qdev_prop_check_globals();
4640 if (vmstate_dump_file) {
4641 /* dump and exit */
4642 dump_vmstate_json_to_file(vmstate_dump_file);
4643 return 0;
4644 }
4645
4646 if (incoming) {
4647 Error *local_err = NULL;
4648 qemu_start_incoming_migration(incoming, &local_err);
4649 if (local_err) {
4650 error_report("-incoming %s: %s", incoming,
4651 error_get_pretty(local_err));
4652 error_free(local_err);
4653 exit(1);
4654 }
4655 } else if (autostart) {
4656 vm_start();
4657 }
4658
4659 os_setup_post();
4660
4661 if (is_daemonized()) {
4662 if (!trace_init_backends(trace_events, trace_file)) {
4663 exit(1);
4664 }
4665 }
4666
4667 main_loop();
4668 bdrv_close_all();
4669 pause_all_vcpus();
4670 res_free();
4671 #ifdef CONFIG_TPM
4672 tpm_cleanup();
4673 #endif
4674
4675 return 0;
4676 }
AR7 emulation for QEMU