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Merge remote-tracking branch 'qemu/master'
[qemu/ar7.git] / vl.c
blob67967acf2f1a9648043422f4e0fc80ad98a32461
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include "qemu/osdep.h"
25
26
27 #ifdef CONFIG_SECCOMP
28 #include "sysemu/seccomp.h"
29 #endif
30
31 #if defined(CONFIG_VDE)
32 #include <libvdeplug.h>
33 #endif
34
35 #ifdef CONFIG_SDL
36 #if defined(__APPLE__) || defined(main)
37 #include <SDL.h>
38 int qemu_main(int argc, char **argv);
39 int main(int argc, char **argv)
40 {
41 return qemu_main(argc, argv);
42 }
43 #undef main
44 #define main qemu_main
45 #endif
46 #endif /* CONFIG_SDL */
47
48 #ifdef CONFIG_COCOA
49 #undef main
50 #define main qemu_main
51 #endif /* CONFIG_COCOA */
52
53 #include <glib.h>
54
55 #include "qemu/error-report.h"
56 #include "qemu/sockets.h"
57 #include "hw/hw.h"
58 #include "hw/boards.h"
59 #include "sysemu/accel.h"
60 #include "hw/usb.h"
61 #include "hw/i386/pc.h"
62 #include "hw/isa/isa.h"
63 #include "hw/bt.h"
64 #include "sysemu/watchdog.h"
65 #include "hw/smbios/smbios.h"
66 #include "hw/xen/xen.h"
67 #include "hw/qdev.h"
68 #include "hw/loader.h"
69 #include "monitor/qdev.h"
70 #include "sysemu/bt.h"
71 #include "net/net.h"
72 #include "net/slirp.h"
73 #include "monitor/monitor.h"
74 #include "ui/console.h"
75 #include "ui/input.h"
76 #include "sysemu/sysemu.h"
77 #include "sysemu/numa.h"
78 #include "exec/gdbstub.h"
79 #include "qemu/timer.h"
80 #include "sysemu/char.h"
81 #include "qemu/bitmap.h"
82 #include "sysemu/blockdev.h"
83 #include "hw/block/block.h"
84 #include "migration/block.h"
85 #include "sysemu/tpm.h"
86 #include "sysemu/dma.h"
87 #include "audio/audio.h"
88 #include "migration/migration.h"
89 #include "sysemu/kvm.h"
90 #include "qapi/qmp/qjson.h"
91 #include "qemu/option.h"
92 #include "qemu/config-file.h"
93 #include "qemu-options.h"
94 #include "qmp-commands.h"
95 #include "qemu/main-loop.h"
96 #ifdef CONFIG_VIRTFS
97 #include "fsdev/qemu-fsdev.h"
98 #endif
99 #include "sysemu/qtest.h"
100
101 #include "disas/disas.h"
102
103
104 #include "slirp/libslirp.h"
105
106 #include "trace.h"
107 #include "trace/control.h"
108 #include "qemu/queue.h"
109 #include "sysemu/cpus.h"
110 #include "sysemu/arch_init.h"
111
112 #include "ui/qemu-spice.h"
113 #include "qapi/string-input-visitor.h"
114 #include "qapi/opts-visitor.h"
115 #include "qom/object_interfaces.h"
116 #include "qapi-event.h"
117 #include "exec/semihost.h"
118 #include "crypto/init.h"
119 #include "sysemu/replay.h"
120 #include "qapi/qmp/qerror.h"
121
122 #define MAX_VIRTIO_CONSOLES 1
123 #define MAX_SCLP_CONSOLES 1
124
125 static const char *data_dir[16];
126 static int data_dir_idx;
127 const char *bios_name = NULL;
128 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
129 DisplayType display_type = DT_DEFAULT;
130 int request_opengl = -1;
131 int display_opengl;
132 static int display_remote;
133 const char* keyboard_layout = NULL;
134 ram_addr_t ram_size;
135 const char *mem_path = NULL;
136 int mem_prealloc = 0; /* force preallocation of physical target memory */
137 bool enable_mlock = false;
138 int nb_nics;
139 NICInfo nd_table[MAX_NICS];
140 int autostart;
141 static int rtc_utc = 1;
142 static int rtc_date_offset = -1; /* -1 means no change */
143 QEMUClockType rtc_clock;
144 int vga_interface_type = VGA_NONE;
145 static int full_screen = 0;
146 static int no_frame = 0;
147 int no_quit = 0;
148 #ifdef CONFIG_GTK
149 static bool grab_on_hover;
150 #endif
151 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
152 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
153 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
154 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
155 int win2k_install_hack = 0;
156 int singlestep = 0;
157 int smp_cpus = 1;
158 int max_cpus = 0;
159 int smp_cores = 1;
160 int smp_threads = 1;
161 int acpi_enabled = 1;
162 int no_hpet = 0;
163 int fd_bootchk = 1;
164 static int no_reboot;
165 int no_shutdown = 0;
166 int cursor_hide = 1;
167 int graphic_rotate = 0;
168 const char *watchdog;
169 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
170 int nb_option_roms;
171 int old_param = 0;
172 const char *qemu_name;
173 int alt_grab = 0;
174 int ctrl_grab = 0;
175 unsigned int nb_prom_envs = 0;
176 const char *prom_envs[MAX_PROM_ENVS];
177 int boot_menu;
178 bool boot_strict;
179 uint8_t *boot_splash_filedata;
180 size_t boot_splash_filedata_size;
181 uint8_t qemu_extra_params_fw[2];
182
183 int icount_align_option;
184
185 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
186 * little-endian "wire format" described in the SMBIOS 2.6 specification.
187 */
188 uint8_t qemu_uuid[16];
189 bool qemu_uuid_set;
190
191 /* Trace unassigned memory or i/o accesses. */
192 bool trace_unassigned;
193
194 static NotifierList exit_notifiers =
195 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
196
197 static NotifierList machine_init_done_notifiers =
198 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
199
200 bool xen_allowed;
201 uint32_t xen_domid;
202 enum xen_mode xen_mode = XEN_EMULATE;
203
204 static int has_defaults = 1;
205 static int default_serial = 1;
206 static int default_parallel = 1;
207 static int default_virtcon = 1;
208 static int default_sclp = 1;
209 static int default_monitor = 1;
210 static int default_floppy = 1;
211 static int default_cdrom = 1;
212 static int default_sdcard = 1;
213 static int default_vga = 1;
214
215 static struct {
216 const char *driver;
217 int *flag;
218 } default_list[] = {
219 { .driver = "isa-serial", .flag = &default_serial },
220 { .driver = "isa-parallel", .flag = &default_parallel },
221 { .driver = "isa-fdc", .flag = &default_floppy },
222 { .driver = "ide-cd", .flag = &default_cdrom },
223 { .driver = "ide-hd", .flag = &default_cdrom },
224 { .driver = "ide-drive", .flag = &default_cdrom },
225 { .driver = "scsi-cd", .flag = &default_cdrom },
226 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
227 { .driver = "virtio-serial", .flag = &default_virtcon },
228 { .driver = "VGA", .flag = &default_vga },
229 { .driver = "isa-vga", .flag = &default_vga },
230 { .driver = "cirrus-vga", .flag = &default_vga },
231 { .driver = "isa-cirrus-vga", .flag = &default_vga },
232 { .driver = "vmware-svga", .flag = &default_vga },
233 { .driver = "qxl-vga", .flag = &default_vga },
234 { .driver = "virtio-vga", .flag = &default_vga },
235 };
236
237 static QemuOptsList qemu_rtc_opts = {
238 .name = "rtc",
239 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
240 .desc = {
241 {
242 .name = "base",
243 .type = QEMU_OPT_STRING,
244 },{
245 .name = "clock",
246 .type = QEMU_OPT_STRING,
247 },{
248 .name = "driftfix",
249 .type = QEMU_OPT_STRING,
250 },
251 { /* end of list */ }
252 },
253 };
254
255 static QemuOptsList qemu_sandbox_opts = {
256 .name = "sandbox",
257 .implied_opt_name = "enable",
258 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
259 .desc = {
260 {
261 .name = "enable",
262 .type = QEMU_OPT_BOOL,
263 },
264 { /* end of list */ }
265 },
266 };
267
268 static QemuOptsList qemu_trace_opts = {
269 .name = "trace",
270 .implied_opt_name = "enable",
271 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
272 .desc = {
273 {
274 .name = "enable",
275 .type = QEMU_OPT_STRING,
276 },
277 {
278 .name = "events",
279 .type = QEMU_OPT_STRING,
280 },{
281 .name = "file",
282 .type = QEMU_OPT_STRING,
283 },
284 { /* end of list */ }
285 },
286 };
287
288 static QemuOptsList qemu_option_rom_opts = {
289 .name = "option-rom",
290 .implied_opt_name = "romfile",
291 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
292 .desc = {
293 {
294 .name = "bootindex",
295 .type = QEMU_OPT_NUMBER,
296 }, {
297 .name = "romfile",
298 .type = QEMU_OPT_STRING,
299 },
300 { /* end of list */ }
301 },
302 };
303
304 static QemuOptsList qemu_machine_opts = {
305 .name = "machine",
306 .implied_opt_name = "type",
307 .merge_lists = true,
308 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
309 .desc = {
310 /*
311 * no elements => accept any
312 * sanity checking will happen later
313 * when setting machine properties
314 */
315 { }
316 },
317 };
318
319 static QemuOptsList qemu_boot_opts = {
320 .name = "boot-opts",
321 .implied_opt_name = "order",
322 .merge_lists = true,
323 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
324 .desc = {
325 {
326 .name = "order",
327 .type = QEMU_OPT_STRING,
328 }, {
329 .name = "once",
330 .type = QEMU_OPT_STRING,
331 }, {
332 .name = "menu",
333 .type = QEMU_OPT_BOOL,
334 }, {
335 .name = "splash",
336 .type = QEMU_OPT_STRING,
337 }, {
338 .name = "splash-time",
339 .type = QEMU_OPT_STRING,
340 }, {
341 .name = "reboot-timeout",
342 .type = QEMU_OPT_STRING,
343 }, {
344 .name = "strict",
345 .type = QEMU_OPT_BOOL,
346 },
347 { /*End of list */ }
348 },
349 };
350
351 static QemuOptsList qemu_add_fd_opts = {
352 .name = "add-fd",
353 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
354 .desc = {
355 {
356 .name = "fd",
357 .type = QEMU_OPT_NUMBER,
358 .help = "file descriptor of which a duplicate is added to fd set",
359 },{
360 .name = "set",
361 .type = QEMU_OPT_NUMBER,
362 .help = "ID of the fd set to add fd to",
363 },{
364 .name = "opaque",
365 .type = QEMU_OPT_STRING,
366 .help = "free-form string used to describe fd",
367 },
368 { /* end of list */ }
369 },
370 };
371
372 static QemuOptsList qemu_object_opts = {
373 .name = "object",
374 .implied_opt_name = "qom-type",
375 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
376 .desc = {
377 { }
378 },
379 };
380
381 static QemuOptsList qemu_tpmdev_opts = {
382 .name = "tpmdev",
383 .implied_opt_name = "type",
384 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
385 .desc = {
386 /* options are defined in the TPM backends */
387 { /* end of list */ }
388 },
389 };
390
391 static QemuOptsList qemu_realtime_opts = {
392 .name = "realtime",
393 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
394 .desc = {
395 {
396 .name = "mlock",
397 .type = QEMU_OPT_BOOL,
398 },
399 { /* end of list */ }
400 },
401 };
402
403 static QemuOptsList qemu_msg_opts = {
404 .name = "msg",
405 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
406 .desc = {
407 {
408 .name = "timestamp",
409 .type = QEMU_OPT_BOOL,
410 },
411 { /* end of list */ }
412 },
413 };
414
415 static QemuOptsList qemu_name_opts = {
416 .name = "name",
417 .implied_opt_name = "guest",
418 .merge_lists = true,
419 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
420 .desc = {
421 {
422 .name = "guest",
423 .type = QEMU_OPT_STRING,
424 .help = "Sets the name of the guest.\n"
425 "This name will be displayed in the SDL window caption.\n"
426 "The name will also be used for the VNC server",
427 }, {
428 .name = "process",
429 .type = QEMU_OPT_STRING,
430 .help = "Sets the name of the QEMU process, as shown in top etc",
431 }, {
432 .name = "debug-threads",
433 .type = QEMU_OPT_BOOL,
434 .help = "When enabled, name the individual threads; defaults off.\n"
435 "NOTE: The thread names are for debugging and not a\n"
436 "stable API.",
437 },
438 { /* End of list */ }
439 },
440 };
441
442 static QemuOptsList qemu_mem_opts = {
443 .name = "memory",
444 .implied_opt_name = "size",
445 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
446 .merge_lists = true,
447 .desc = {
448 {
449 .name = "size",
450 .type = QEMU_OPT_SIZE,
451 },
452 {
453 .name = "slots",
454 .type = QEMU_OPT_NUMBER,
455 },
456 {
457 .name = "maxmem",
458 .type = QEMU_OPT_SIZE,
459 },
460 { /* end of list */ }
461 },
462 };
463
464 static QemuOptsList qemu_icount_opts = {
465 .name = "icount",
466 .implied_opt_name = "shift",
467 .merge_lists = true,
468 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
469 .desc = {
470 {
471 .name = "shift",
472 .type = QEMU_OPT_STRING,
473 }, {
474 .name = "align",
475 .type = QEMU_OPT_BOOL,
476 }, {
477 .name = "sleep",
478 .type = QEMU_OPT_BOOL,
479 }, {
480 .name = "rr",
481 .type = QEMU_OPT_STRING,
482 }, {
483 .name = "rrfile",
484 .type = QEMU_OPT_STRING,
485 },
486 { /* end of list */ }
487 },
488 };
489
490 static QemuOptsList qemu_semihosting_config_opts = {
491 .name = "semihosting-config",
492 .implied_opt_name = "enable",
493 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
494 .desc = {
495 {
496 .name = "enable",
497 .type = QEMU_OPT_BOOL,
498 }, {
499 .name = "target",
500 .type = QEMU_OPT_STRING,
501 }, {
502 .name = "arg",
503 .type = QEMU_OPT_STRING,
504 },
505 { /* end of list */ }
506 },
507 };
508
509 static QemuOptsList qemu_fw_cfg_opts = {
510 .name = "fw_cfg",
511 .implied_opt_name = "name",
512 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
513 .desc = {
514 {
515 .name = "name",
516 .type = QEMU_OPT_STRING,
517 .help = "Sets the fw_cfg name of the blob to be inserted",
518 }, {
519 .name = "file",
520 .type = QEMU_OPT_STRING,
521 .help = "Sets the name of the file from which\n"
522 "the fw_cfg blob will be loaded",
523 }, {
524 .name = "string",
525 .type = QEMU_OPT_STRING,
526 .help = "Sets content of the blob to be inserted from a string",
527 },
528 { /* end of list */ }
529 },
530 };
531
532 /**
533 * Get machine options
534 *
535 * Returns: machine options (never null).
536 */
537 QemuOpts *qemu_get_machine_opts(void)
538 {
539 return qemu_find_opts_singleton("machine");
540 }
541
542 const char *qemu_get_vm_name(void)
543 {
544 return qemu_name;
545 }
546
547 static void res_free(void)
548 {
549 g_free(boot_splash_filedata);
550 boot_splash_filedata = NULL;
551 }
552
553 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
554 {
555 const char *driver = qemu_opt_get(opts, "driver");
556 int i;
557
558 if (!driver)
559 return 0;
560 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
561 if (strcmp(default_list[i].driver, driver) != 0)
562 continue;
563 *(default_list[i].flag) = 0;
564 }
565 return 0;
566 }
567
568 /***********************************************************/
569 /* QEMU state */
570
571 static RunState current_run_state = RUN_STATE_PRELAUNCH;
572
573 /* We use RUN_STATE__MAX but any invalid value will do */
574 static RunState vmstop_requested = RUN_STATE__MAX;
575 static QemuMutex vmstop_lock;
576
577 typedef struct {
578 RunState from;
579 RunState to;
580 } RunStateTransition;
581
582 static const RunStateTransition runstate_transitions_def[] = {
583 /* from -> to */
584 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
585 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
586 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
587
588 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
589 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
590 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
591 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
592 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
593 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
594 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
595 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
596 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
597 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
598 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
599
600 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
601 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
602 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
603
604 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
605 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
606 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
607
608 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
609 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
610 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
611
612 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
613 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
614 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
615
616 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
617 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
618 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
619
620 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
621 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
622 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
623
624 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
625 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
626
627 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
628 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
629 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
630 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
631 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
632 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
633 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
634 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
635 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
636 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
637
638 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
639
640 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
641 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
642 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
643
644 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
645 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
646 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
647 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
648 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
649
650 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
651 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
652 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
653
654 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
655 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
656 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
657
658 { RUN_STATE__MAX, RUN_STATE__MAX },
659 };
660
661 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
662
663 bool runstate_check(RunState state)
664 {
665 return current_run_state == state;
666 }
667
668 bool runstate_store(char *str, size_t size)
669 {
670 const char *state = RunState_lookup[current_run_state];
671 size_t len = strlen(state) + 1;
672
673 if (len > size) {
674 return false;
675 }
676 memcpy(str, state, len);
677 return true;
678 }
679
680 static void runstate_init(void)
681 {
682 const RunStateTransition *p;
683
684 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
685 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
686 runstate_valid_transitions[p->from][p->to] = true;
687 }
688
689 qemu_mutex_init(&vmstop_lock);
690 }
691
692 /* This function will abort() on invalid state transitions */
693 void runstate_set(RunState new_state)
694 {
695 assert(new_state < RUN_STATE__MAX);
696
697 if (!runstate_valid_transitions[current_run_state][new_state]) {
698 error_report("invalid runstate transition: '%s' -> '%s'",
699 RunState_lookup[current_run_state],
700 RunState_lookup[new_state]);
701 abort();
702 }
703 trace_runstate_set(new_state);
704 current_run_state = new_state;
705 }
706
707 int runstate_is_running(void)
708 {
709 return runstate_check(RUN_STATE_RUNNING);
710 }
711
712 bool runstate_needs_reset(void)
713 {
714 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
715 runstate_check(RUN_STATE_SHUTDOWN);
716 }
717
718 StatusInfo *qmp_query_status(Error **errp)
719 {
720 StatusInfo *info = g_malloc0(sizeof(*info));
721
722 info->running = runstate_is_running();
723 info->singlestep = singlestep;
724 info->status = current_run_state;
725
726 return info;
727 }
728
729 static bool qemu_vmstop_requested(RunState *r)
730 {
731 qemu_mutex_lock(&vmstop_lock);
732 *r = vmstop_requested;
733 vmstop_requested = RUN_STATE__MAX;
734 qemu_mutex_unlock(&vmstop_lock);
735 return *r < RUN_STATE__MAX;
736 }
737
738 void qemu_system_vmstop_request_prepare(void)
739 {
740 qemu_mutex_lock(&vmstop_lock);
741 }
742
743 void qemu_system_vmstop_request(RunState state)
744 {
745 vmstop_requested = state;
746 qemu_mutex_unlock(&vmstop_lock);
747 qemu_notify_event();
748 }
749
750 void vm_start(void)
751 {
752 RunState requested;
753
754 qemu_vmstop_requested(&requested);
755 if (runstate_is_running() && requested == RUN_STATE__MAX) {
756 return;
757 }
758
759 /* Ensure that a STOP/RESUME pair of events is emitted if a
760 * vmstop request was pending. The BLOCK_IO_ERROR event, for
761 * example, according to documentation is always followed by
762 * the STOP event.
763 */
764 if (runstate_is_running()) {
765 qapi_event_send_stop(&error_abort);
766 } else {
767 cpu_enable_ticks();
768 runstate_set(RUN_STATE_RUNNING);
769 vm_state_notify(1, RUN_STATE_RUNNING);
770 resume_all_vcpus();
771 }
772
773 qapi_event_send_resume(&error_abort);
774 }
775
776
777 /***********************************************************/
778 /* real time host monotonic timer */
779
780 static time_t qemu_time(void)
781 {
782 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
783 }
784
785 /***********************************************************/
786 /* host time/date access */
787 void qemu_get_timedate(struct tm *tm, int offset)
788 {
789 time_t ti = qemu_time();
790
791 ti += offset;
792 if (rtc_date_offset == -1) {
793 if (rtc_utc)
794 gmtime_r(&ti, tm);
795 else
796 localtime_r(&ti, tm);
797 } else {
798 ti -= rtc_date_offset;
799 gmtime_r(&ti, tm);
800 }
801 }
802
803 int qemu_timedate_diff(struct tm *tm)
804 {
805 time_t seconds;
806
807 if (rtc_date_offset == -1)
808 if (rtc_utc)
809 seconds = mktimegm(tm);
810 else {
811 struct tm tmp = *tm;
812 tmp.tm_isdst = -1; /* use timezone to figure it out */
813 seconds = mktime(&tmp);
814 }
815 else
816 seconds = mktimegm(tm) + rtc_date_offset;
817
818 return seconds - qemu_time();
819 }
820
821 static void configure_rtc_date_offset(const char *startdate, int legacy)
822 {
823 time_t rtc_start_date;
824 struct tm tm;
825
826 if (!strcmp(startdate, "now") && legacy) {
827 rtc_date_offset = -1;
828 } else {
829 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
830 &tm.tm_year,
831 &tm.tm_mon,
832 &tm.tm_mday,
833 &tm.tm_hour,
834 &tm.tm_min,
835 &tm.tm_sec) == 6) {
836 /* OK */
837 } else if (sscanf(startdate, "%d-%d-%d",
838 &tm.tm_year,
839 &tm.tm_mon,
840 &tm.tm_mday) == 3) {
841 tm.tm_hour = 0;
842 tm.tm_min = 0;
843 tm.tm_sec = 0;
844 } else {
845 goto date_fail;
846 }
847 tm.tm_year -= 1900;
848 tm.tm_mon--;
849 rtc_start_date = mktimegm(&tm);
850 if (rtc_start_date == -1) {
851 date_fail:
852 error_report("invalid date format");
853 error_printf("valid formats: "
854 "'2006-06-17T16:01:21' or '2006-06-17'\n");
855 exit(1);
856 }
857 rtc_date_offset = qemu_time() - rtc_start_date;
858 }
859 }
860
861 static void configure_rtc(QemuOpts *opts)
862 {
863 const char *value;
864
865 value = qemu_opt_get(opts, "base");
866 if (value) {
867 if (!strcmp(value, "utc")) {
868 rtc_utc = 1;
869 } else if (!strcmp(value, "localtime")) {
870 Error *blocker = NULL;
871 rtc_utc = 0;
872 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
873 "-rtc base=localtime");
874 replay_add_blocker(blocker);
875 } else {
876 configure_rtc_date_offset(value, 0);
877 }
878 }
879 value = qemu_opt_get(opts, "clock");
880 if (value) {
881 if (!strcmp(value, "host")) {
882 rtc_clock = QEMU_CLOCK_HOST;
883 } else if (!strcmp(value, "rt")) {
884 rtc_clock = QEMU_CLOCK_REALTIME;
885 } else if (!strcmp(value, "vm")) {
886 rtc_clock = QEMU_CLOCK_VIRTUAL;
887 } else {
888 error_report("invalid option value '%s'", value);
889 exit(1);
890 }
891 }
892 value = qemu_opt_get(opts, "driftfix");
893 if (value) {
894 if (!strcmp(value, "slew")) {
895 static GlobalProperty slew_lost_ticks[] = {
896 {
897 .driver = "mc146818rtc",
898 .property = "lost_tick_policy",
899 .value = "slew",
900 },
901 { /* end of list */ }
902 };
903
904 qdev_prop_register_global_list(slew_lost_ticks);
905 } else if (!strcmp(value, "none")) {
906 /* discard is default */
907 } else {
908 error_report("invalid option value '%s'", value);
909 exit(1);
910 }
911 }
912 }
913
914 /***********************************************************/
915 /* Bluetooth support */
916 static int nb_hcis;
917 static int cur_hci;
918 static struct HCIInfo *hci_table[MAX_NICS];
919
920 struct HCIInfo *qemu_next_hci(void)
921 {
922 if (cur_hci == nb_hcis)
923 return &null_hci;
924
925 return hci_table[cur_hci++];
926 }
927
928 static int bt_hci_parse(const char *str)
929 {
930 struct HCIInfo *hci;
931 bdaddr_t bdaddr;
932
933 if (nb_hcis >= MAX_NICS) {
934 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
935 return -1;
936 }
937
938 hci = hci_init(str);
939 if (!hci)
940 return -1;
941
942 bdaddr.b[0] = 0x52;
943 bdaddr.b[1] = 0x54;
944 bdaddr.b[2] = 0x00;
945 bdaddr.b[3] = 0x12;
946 bdaddr.b[4] = 0x34;
947 bdaddr.b[5] = 0x56 + nb_hcis;
948 hci->bdaddr_set(hci, bdaddr.b);
949
950 hci_table[nb_hcis++] = hci;
951
952 return 0;
953 }
954
955 static void bt_vhci_add(int vlan_id)
956 {
957 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
958
959 if (!vlan->slave)
960 error_report("warning: adding a VHCI to an empty scatternet %i",
961 vlan_id);
962
963 bt_vhci_init(bt_new_hci(vlan));
964 }
965
966 static struct bt_device_s *bt_device_add(const char *opt)
967 {
968 struct bt_scatternet_s *vlan;
969 int vlan_id = 0;
970 char *endp = strstr(opt, ",vlan=");
971 int len = (endp ? endp - opt : strlen(opt)) + 1;
972 char devname[10];
973
974 pstrcpy(devname, MIN(sizeof(devname), len), opt);
975
976 if (endp) {
977 vlan_id = strtol(endp + 6, &endp, 0);
978 if (*endp) {
979 error_report("unrecognised bluetooth vlan Id");
980 return 0;
981 }
982 }
983
984 vlan = qemu_find_bt_vlan(vlan_id);
985
986 if (!vlan->slave)
987 error_report("warning: adding a slave device to an empty scatternet %i",
988 vlan_id);
989
990 if (!strcmp(devname, "keyboard"))
991 return bt_keyboard_init(vlan);
992
993 error_report("unsupported bluetooth device '%s'", devname);
994 return 0;
995 }
996
997 static int bt_parse(const char *opt)
998 {
999 const char *endp, *p;
1000 int vlan;
1001
1002 if (strstart(opt, "hci", &endp)) {
1003 if (!*endp || *endp == ',') {
1004 if (*endp)
1005 if (!strstart(endp, ",vlan=", 0))
1006 opt = endp + 1;
1007
1008 return bt_hci_parse(opt);
1009 }
1010 } else if (strstart(opt, "vhci", &endp)) {
1011 if (!*endp || *endp == ',') {
1012 if (*endp) {
1013 if (strstart(endp, ",vlan=", &p)) {
1014 vlan = strtol(p, (char **) &endp, 0);
1015 if (*endp) {
1016 error_report("bad scatternet '%s'", p);
1017 return 1;
1018 }
1019 } else {
1020 error_report("bad parameter '%s'", endp + 1);
1021 return 1;
1022 }
1023 } else
1024 vlan = 0;
1025
1026 bt_vhci_add(vlan);
1027 return 0;
1028 }
1029 } else if (strstart(opt, "device:", &endp))
1030 return !bt_device_add(endp);
1031
1032 error_report("bad bluetooth parameter '%s'", opt);
1033 return 1;
1034 }
1035
1036 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1037 {
1038 /* FIXME: change this to true for 1.3 */
1039 if (qemu_opt_get_bool(opts, "enable", false)) {
1040 #ifdef CONFIG_SECCOMP
1041 if (seccomp_start() < 0) {
1042 error_report("failed to install seccomp syscall filter "
1043 "in the kernel");
1044 return -1;
1045 }
1046 #else
1047 error_report("seccomp support is disabled");
1048 return -1;
1049 #endif
1050 }
1051
1052 return 0;
1053 }
1054
1055 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1056 {
1057 const char *proc_name;
1058
1059 if (qemu_opt_get(opts, "debug-threads")) {
1060 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1061 }
1062 qemu_name = qemu_opt_get(opts, "guest");
1063
1064 proc_name = qemu_opt_get(opts, "process");
1065 if (proc_name) {
1066 os_set_proc_name(proc_name);
1067 }
1068
1069 return 0;
1070 }
1071
1072 bool defaults_enabled(void)
1073 {
1074 return has_defaults;
1075 }
1076
1077 bool usb_enabled(void)
1078 {
1079 return machine_usb(current_machine);
1080 }
1081
1082 #ifndef _WIN32
1083 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1084 {
1085 int fd, dupfd, flags;
1086 int64_t fdset_id;
1087 const char *fd_opaque = NULL;
1088 AddfdInfo *fdinfo;
1089
1090 fd = qemu_opt_get_number(opts, "fd", -1);
1091 fdset_id = qemu_opt_get_number(opts, "set", -1);
1092 fd_opaque = qemu_opt_get(opts, "opaque");
1093
1094 if (fd < 0) {
1095 error_report("fd option is required and must be non-negative");
1096 return -1;
1097 }
1098
1099 if (fd <= STDERR_FILENO) {
1100 error_report("fd cannot be a standard I/O stream");
1101 return -1;
1102 }
1103
1104 /*
1105 * All fds inherited across exec() necessarily have FD_CLOEXEC
1106 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1107 */
1108 flags = fcntl(fd, F_GETFD);
1109 if (flags == -1 || (flags & FD_CLOEXEC)) {
1110 error_report("fd is not valid or already in use");
1111 return -1;
1112 }
1113
1114 if (fdset_id < 0) {
1115 error_report("set option is required and must be non-negative");
1116 return -1;
1117 }
1118
1119 #ifdef F_DUPFD_CLOEXEC
1120 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1121 #else
1122 dupfd = dup(fd);
1123 if (dupfd != -1) {
1124 qemu_set_cloexec(dupfd);
1125 }
1126 #endif
1127 if (dupfd == -1) {
1128 error_report("error duplicating fd: %s", strerror(errno));
1129 return -1;
1130 }
1131
1132 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1133 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1134 &error_abort);
1135 g_free(fdinfo);
1136
1137 return 0;
1138 }
1139
1140 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1141 {
1142 int fd;
1143
1144 fd = qemu_opt_get_number(opts, "fd", -1);
1145 close(fd);
1146
1147 return 0;
1148 }
1149 #endif
1150
1151 /***********************************************************/
1152 /* QEMU Block devices */
1153
1154 #define HD_OPTS "media=disk"
1155 #define CDROM_OPTS "media=cdrom"
1156 #define FD_OPTS ""
1157 #define PFLASH_OPTS ""
1158 #define MTD_OPTS ""
1159 #define SD_OPTS ""
1160
1161 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1162 {
1163 BlockInterfaceType *block_default_type = opaque;
1164
1165 return drive_new(opts, *block_default_type) == NULL;
1166 }
1167
1168 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1169 {
1170 if (qemu_opt_get(opts, "snapshot") == NULL) {
1171 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1172 }
1173 return 0;
1174 }
1175
1176 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1177 int index, const char *optstr)
1178 {
1179 QemuOpts *opts;
1180 DriveInfo *dinfo;
1181
1182 if (!enable || drive_get_by_index(type, index)) {
1183 return;
1184 }
1185
1186 opts = drive_add(type, index, NULL, optstr);
1187 if (snapshot) {
1188 drive_enable_snapshot(NULL, opts, NULL);
1189 }
1190
1191 dinfo = drive_new(opts, type);
1192 if (!dinfo) {
1193 exit(1);
1194 }
1195 dinfo->is_default = true;
1196
1197 }
1198
1199 static QemuOptsList qemu_smp_opts = {
1200 .name = "smp-opts",
1201 .implied_opt_name = "cpus",
1202 .merge_lists = true,
1203 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1204 .desc = {
1205 {
1206 .name = "cpus",
1207 .type = QEMU_OPT_NUMBER,
1208 }, {
1209 .name = "sockets",
1210 .type = QEMU_OPT_NUMBER,
1211 }, {
1212 .name = "cores",
1213 .type = QEMU_OPT_NUMBER,
1214 }, {
1215 .name = "threads",
1216 .type = QEMU_OPT_NUMBER,
1217 }, {
1218 .name = "maxcpus",
1219 .type = QEMU_OPT_NUMBER,
1220 },
1221 { /*End of list */ }
1222 },
1223 };
1224
1225 static void smp_parse(QemuOpts *opts)
1226 {
1227 if (opts) {
1228
1229 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1230 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1231 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1232 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1233
1234 /* compute missing values, prefer sockets over cores over threads */
1235 if (cpus == 0 || sockets == 0) {
1236 sockets = sockets > 0 ? sockets : 1;
1237 cores = cores > 0 ? cores : 1;
1238 threads = threads > 0 ? threads : 1;
1239 if (cpus == 0) {
1240 cpus = cores * threads * sockets;
1241 }
1242 } else if (cores == 0) {
1243 threads = threads > 0 ? threads : 1;
1244 cores = cpus / (sockets * threads);
1245 } else if (threads == 0) {
1246 threads = cpus / (cores * sockets);
1247 } else if (sockets * cores * threads < cpus) {
1248 error_report("cpu topology: "
1249 "sockets (%u) * cores (%u) * threads (%u) < "
1250 "smp_cpus (%u)",
1251 sockets, cores, threads, cpus);
1252 exit(1);
1253 }
1254
1255 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1256 if (sockets * cores * threads > max_cpus) {
1257 error_report("cpu topology: "
1258 "sockets (%u) * cores (%u) * threads (%u) > "
1259 "maxcpus (%u)",
1260 sockets, cores, threads, max_cpus);
1261 exit(1);
1262 }
1263
1264 smp_cpus = cpus;
1265 smp_cores = cores > 0 ? cores : 1;
1266 smp_threads = threads > 0 ? threads : 1;
1267
1268 }
1269
1270 if (max_cpus == 0) {
1271 max_cpus = smp_cpus;
1272 }
1273
1274 if (max_cpus > MAX_CPUMASK_BITS) {
1275 error_report("unsupported number of maxcpus");
1276 exit(1);
1277 }
1278 if (max_cpus < smp_cpus) {
1279 error_report("maxcpus must be equal to or greater than smp");
1280 exit(1);
1281 }
1282
1283 if (smp_cpus > 1 || smp_cores > 1 || smp_threads > 1) {
1284 Error *blocker = NULL;
1285 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1286 replay_add_blocker(blocker);
1287 }
1288 }
1289
1290 static void realtime_init(void)
1291 {
1292 if (enable_mlock) {
1293 if (os_mlock() < 0) {
1294 error_report("locking memory failed");
1295 exit(1);
1296 }
1297 }
1298 }
1299
1300
1301 static void configure_msg(QemuOpts *opts)
1302 {
1303 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1304 }
1305
1306 /***********************************************************/
1307 /* Semihosting */
1308
1309 typedef struct SemihostingConfig {
1310 bool enabled;
1311 SemihostingTarget target;
1312 const char **argv;
1313 int argc;
1314 const char *cmdline; /* concatenated argv */
1315 } SemihostingConfig;
1316
1317 static SemihostingConfig semihosting;
1318
1319 bool semihosting_enabled(void)
1320 {
1321 return semihosting.enabled;
1322 }
1323
1324 SemihostingTarget semihosting_get_target(void)
1325 {
1326 return semihosting.target;
1327 }
1328
1329 const char *semihosting_get_arg(int i)
1330 {
1331 if (i >= semihosting.argc) {
1332 return NULL;
1333 }
1334 return semihosting.argv[i];
1335 }
1336
1337 int semihosting_get_argc(void)
1338 {
1339 return semihosting.argc;
1340 }
1341
1342 const char *semihosting_get_cmdline(void)
1343 {
1344 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1345 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1346 }
1347 return semihosting.cmdline;
1348 }
1349
1350 static int add_semihosting_arg(void *opaque,
1351 const char *name, const char *val,
1352 Error **errp)
1353 {
1354 SemihostingConfig *s = opaque;
1355 if (strcmp(name, "arg") == 0) {
1356 s->argc++;
1357 /* one extra element as g_strjoinv() expects NULL-terminated array */
1358 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1359 s->argv[s->argc - 1] = val;
1360 s->argv[s->argc] = NULL;
1361 }
1362 return 0;
1363 }
1364
1365 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1366 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1367 {
1368 char *cmd_token;
1369
1370 /* argv[0] */
1371 add_semihosting_arg(&semihosting, "arg", file, NULL);
1372
1373 /* split -append and initialize argv[1..n] */
1374 cmd_token = strtok(g_strdup(cmd), " ");
1375 while (cmd_token) {
1376 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1377 cmd_token = strtok(NULL, " ");
1378 }
1379 }
1380
1381 /* Now we still need this for compatibility with XEN. */
1382 bool has_igd_gfx_passthru;
1383 static void igd_gfx_passthru(void)
1384 {
1385 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1386 }
1387
1388 /***********************************************************/
1389 /* USB devices */
1390
1391 static int usb_device_add(const char *devname)
1392 {
1393 USBDevice *dev = NULL;
1394 #ifndef CONFIG_LINUX
1395 const char *p;
1396 #endif
1397
1398 if (!usb_enabled()) {
1399 return -1;
1400 }
1401
1402 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1403 dev = usbdevice_create(devname);
1404 if (dev)
1405 goto done;
1406
1407 /* the other ones */
1408 #ifndef CONFIG_LINUX
1409 /* only the linux version is qdev-ified, usb-bsd still needs this */
1410 if (strstart(devname, "host:", &p)) {
1411 dev = usb_host_device_open(usb_bus_find(-1), p);
1412 }
1413 #endif
1414 if (!dev)
1415 return -1;
1416
1417 done:
1418 return 0;
1419 }
1420
1421 static int usb_device_del(const char *devname)
1422 {
1423 int bus_num, addr;
1424 const char *p;
1425
1426 if (strstart(devname, "host:", &p)) {
1427 return -1;
1428 }
1429
1430 if (!usb_enabled()) {
1431 return -1;
1432 }
1433
1434 p = strchr(devname, '.');
1435 if (!p)
1436 return -1;
1437 bus_num = strtoul(devname, NULL, 0);
1438 addr = strtoul(p + 1, NULL, 0);
1439
1440 return usb_device_delete_addr(bus_num, addr);
1441 }
1442
1443 static int usb_parse(const char *cmdline)
1444 {
1445 int r;
1446 r = usb_device_add(cmdline);
1447 if (r < 0) {
1448 error_report("could not add USB device '%s'", cmdline);
1449 }
1450 return r;
1451 }
1452
1453 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1454 {
1455 const char *devname = qdict_get_str(qdict, "devname");
1456 if (usb_device_add(devname) < 0) {
1457 error_report("could not add USB device '%s'", devname);
1458 }
1459 }
1460
1461 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1462 {
1463 const char *devname = qdict_get_str(qdict, "devname");
1464 if (usb_device_del(devname) < 0) {
1465 error_report("could not delete USB device '%s'", devname);
1466 }
1467 }
1468
1469 /***********************************************************/
1470 /* machine registration */
1471
1472 MachineState *current_machine;
1473
1474 static MachineClass *find_machine(const char *name)
1475 {
1476 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1477 MachineClass *mc = NULL;
1478
1479 for (el = machines; el; el = el->next) {
1480 MachineClass *temp = el->data;
1481
1482 if (!strcmp(temp->name, name)) {
1483 mc = temp;
1484 break;
1485 }
1486 if (temp->alias &&
1487 !strcmp(temp->alias, name)) {
1488 mc = temp;
1489 break;
1490 }
1491 }
1492
1493 g_slist_free(machines);
1494 return mc;
1495 }
1496
1497 MachineClass *find_default_machine(void)
1498 {
1499 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1500 MachineClass *mc = NULL;
1501
1502 for (el = machines; el; el = el->next) {
1503 MachineClass *temp = el->data;
1504
1505 if (temp->is_default) {
1506 mc = temp;
1507 break;
1508 }
1509 }
1510
1511 g_slist_free(machines);
1512 return mc;
1513 }
1514
1515 MachineInfoList *qmp_query_machines(Error **errp)
1516 {
1517 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1518 MachineInfoList *mach_list = NULL;
1519
1520 for (el = machines; el; el = el->next) {
1521 MachineClass *mc = el->data;
1522 MachineInfoList *entry;
1523 MachineInfo *info;
1524
1525 info = g_malloc0(sizeof(*info));
1526 if (mc->is_default) {
1527 info->has_is_default = true;
1528 info->is_default = true;
1529 }
1530
1531 if (mc->alias) {
1532 info->has_alias = true;
1533 info->alias = g_strdup(mc->alias);
1534 }
1535
1536 info->name = g_strdup(mc->name);
1537 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1538
1539 entry = g_malloc0(sizeof(*entry));
1540 entry->value = info;
1541 entry->next = mach_list;
1542 mach_list = entry;
1543 }
1544
1545 g_slist_free(machines);
1546 return mach_list;
1547 }
1548
1549 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1550 {
1551 ObjectProperty *prop;
1552 ObjectPropertyIterator iter;
1553
1554 if (!qemu_opt_has_help_opt(opts)) {
1555 return 0;
1556 }
1557
1558 object_property_iter_init(&iter, OBJECT(machine));
1559 while ((prop = object_property_iter_next(&iter))) {
1560 if (!prop->set) {
1561 continue;
1562 }
1563
1564 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1565 prop->name, prop->type);
1566 if (prop->description) {
1567 error_printf(" (%s)\n", prop->description);
1568 } else {
1569 error_printf("\n");
1570 }
1571 }
1572
1573 return 1;
1574 }
1575
1576 /***********************************************************/
1577 /* main execution loop */
1578
1579 struct vm_change_state_entry {
1580 VMChangeStateHandler *cb;
1581 void *opaque;
1582 QLIST_ENTRY (vm_change_state_entry) entries;
1583 };
1584
1585 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1586
1587 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1588 void *opaque)
1589 {
1590 VMChangeStateEntry *e;
1591
1592 e = g_malloc0(sizeof (*e));
1593
1594 e->cb = cb;
1595 e->opaque = opaque;
1596 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1597 return e;
1598 }
1599
1600 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1601 {
1602 QLIST_REMOVE (e, entries);
1603 g_free (e);
1604 }
1605
1606 void vm_state_notify(int running, RunState state)
1607 {
1608 VMChangeStateEntry *e, *next;
1609
1610 trace_vm_state_notify(running, state);
1611
1612 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1613 e->cb(e->opaque, running, state);
1614 }
1615 }
1616
1617 /* reset/shutdown handler */
1618
1619 typedef struct QEMUResetEntry {
1620 QTAILQ_ENTRY(QEMUResetEntry) entry;
1621 QEMUResetHandler *func;
1622 void *opaque;
1623 } QEMUResetEntry;
1624
1625 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1626 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1627 static int reset_requested;
1628 static int shutdown_requested, shutdown_signal = -1;
1629 static pid_t shutdown_pid;
1630 static int powerdown_requested;
1631 static int debug_requested;
1632 static int suspend_requested;
1633 static WakeupReason wakeup_reason;
1634 static NotifierList powerdown_notifiers =
1635 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1636 static NotifierList suspend_notifiers =
1637 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1638 static NotifierList wakeup_notifiers =
1639 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1640 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1641
1642 int qemu_shutdown_requested_get(void)
1643 {
1644 return shutdown_requested;
1645 }
1646
1647 int qemu_reset_requested_get(void)
1648 {
1649 return reset_requested;
1650 }
1651
1652 static int qemu_shutdown_requested(void)
1653 {
1654 return atomic_xchg(&shutdown_requested, 0);
1655 }
1656
1657 static void qemu_kill_report(void)
1658 {
1659 if (!qtest_driver() && shutdown_signal != -1) {
1660 if (shutdown_pid == 0) {
1661 /* This happens for eg ^C at the terminal, so it's worth
1662 * avoiding printing an odd message in that case.
1663 */
1664 error_report("terminating on signal %d", shutdown_signal);
1665 } else {
1666 error_report("terminating on signal %d from pid " FMT_pid,
1667 shutdown_signal, shutdown_pid);
1668 }
1669 shutdown_signal = -1;
1670 }
1671 }
1672
1673 static int qemu_reset_requested(void)
1674 {
1675 int r = reset_requested;
1676 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1677 reset_requested = 0;
1678 return r;
1679 }
1680 return false;
1681 }
1682
1683 static int qemu_suspend_requested(void)
1684 {
1685 int r = suspend_requested;
1686 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1687 suspend_requested = 0;
1688 return r;
1689 }
1690 return false;
1691 }
1692
1693 static WakeupReason qemu_wakeup_requested(void)
1694 {
1695 return wakeup_reason;
1696 }
1697
1698 static int qemu_powerdown_requested(void)
1699 {
1700 int r = powerdown_requested;
1701 powerdown_requested = 0;
1702 return r;
1703 }
1704
1705 static int qemu_debug_requested(void)
1706 {
1707 int r = debug_requested;
1708 debug_requested = 0;
1709 return r;
1710 }
1711
1712 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1713 {
1714 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1715
1716 re->func = func;
1717 re->opaque = opaque;
1718 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1719 }
1720
1721 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1722 {
1723 QEMUResetEntry *re;
1724
1725 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1726 if (re->func == func && re->opaque == opaque) {
1727 QTAILQ_REMOVE(&reset_handlers, re, entry);
1728 g_free(re);
1729 return;
1730 }
1731 }
1732 }
1733
1734 void qemu_devices_reset(void)
1735 {
1736 QEMUResetEntry *re, *nre;
1737
1738 /* reset all devices */
1739 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1740 re->func(re->opaque);
1741 }
1742 }
1743
1744 void qemu_system_reset(bool report)
1745 {
1746 MachineClass *mc;
1747
1748 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1749
1750 if (mc && mc->reset) {
1751 mc->reset();
1752 } else {
1753 qemu_devices_reset();
1754 }
1755 if (report) {
1756 qapi_event_send_reset(&error_abort);
1757 }
1758 cpu_synchronize_all_post_reset();
1759 }
1760
1761 void qemu_system_guest_panicked(void)
1762 {
1763 if (current_cpu) {
1764 current_cpu->crash_occurred = true;
1765 }
1766 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1767 vm_stop(RUN_STATE_GUEST_PANICKED);
1768 }
1769
1770 void qemu_system_reset_request(void)
1771 {
1772 if (no_reboot) {
1773 shutdown_requested = 1;
1774 } else {
1775 reset_requested = 1;
1776 }
1777 cpu_stop_current();
1778 qemu_notify_event();
1779 }
1780
1781 static void qemu_system_suspend(void)
1782 {
1783 pause_all_vcpus();
1784 notifier_list_notify(&suspend_notifiers, NULL);
1785 runstate_set(RUN_STATE_SUSPENDED);
1786 qapi_event_send_suspend(&error_abort);
1787 }
1788
1789 void qemu_system_suspend_request(void)
1790 {
1791 if (runstate_check(RUN_STATE_SUSPENDED)) {
1792 return;
1793 }
1794 suspend_requested = 1;
1795 cpu_stop_current();
1796 qemu_notify_event();
1797 }
1798
1799 void qemu_register_suspend_notifier(Notifier *notifier)
1800 {
1801 notifier_list_add(&suspend_notifiers, notifier);
1802 }
1803
1804 void qemu_system_wakeup_request(WakeupReason reason)
1805 {
1806 trace_system_wakeup_request(reason);
1807
1808 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1809 return;
1810 }
1811 if (!(wakeup_reason_mask & (1 << reason))) {
1812 return;
1813 }
1814 runstate_set(RUN_STATE_RUNNING);
1815 wakeup_reason = reason;
1816 qemu_notify_event();
1817 }
1818
1819 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1820 {
1821 if (enabled) {
1822 wakeup_reason_mask |= (1 << reason);
1823 } else {
1824 wakeup_reason_mask &= ~(1 << reason);
1825 }
1826 }
1827
1828 void qemu_register_wakeup_notifier(Notifier *notifier)
1829 {
1830 notifier_list_add(&wakeup_notifiers, notifier);
1831 }
1832
1833 void qemu_system_killed(int signal, pid_t pid)
1834 {
1835 shutdown_signal = signal;
1836 shutdown_pid = pid;
1837 no_shutdown = 0;
1838
1839 /* Cannot call qemu_system_shutdown_request directly because
1840 * we are in a signal handler.
1841 */
1842 shutdown_requested = 1;
1843 qemu_notify_event();
1844 }
1845
1846 void qemu_system_shutdown_request(void)
1847 {
1848 trace_qemu_system_shutdown_request();
1849 replay_shutdown_request();
1850 shutdown_requested = 1;
1851 qemu_notify_event();
1852 }
1853
1854 static void qemu_system_powerdown(void)
1855 {
1856 qapi_event_send_powerdown(&error_abort);
1857 notifier_list_notify(&powerdown_notifiers, NULL);
1858 }
1859
1860 void qemu_system_powerdown_request(void)
1861 {
1862 trace_qemu_system_powerdown_request();
1863 powerdown_requested = 1;
1864 qemu_notify_event();
1865 }
1866
1867 void qemu_register_powerdown_notifier(Notifier *notifier)
1868 {
1869 notifier_list_add(&powerdown_notifiers, notifier);
1870 }
1871
1872 void qemu_system_debug_request(void)
1873 {
1874 debug_requested = 1;
1875 qemu_notify_event();
1876 }
1877
1878 static bool main_loop_should_exit(void)
1879 {
1880 RunState r;
1881 if (qemu_debug_requested()) {
1882 vm_stop(RUN_STATE_DEBUG);
1883 }
1884 if (qemu_suspend_requested()) {
1885 qemu_system_suspend();
1886 }
1887 if (qemu_shutdown_requested()) {
1888 qemu_kill_report();
1889 qapi_event_send_shutdown(&error_abort);
1890 if (no_shutdown) {
1891 vm_stop(RUN_STATE_SHUTDOWN);
1892 } else {
1893 return true;
1894 }
1895 }
1896 if (qemu_reset_requested()) {
1897 pause_all_vcpus();
1898 cpu_synchronize_all_states();
1899 qemu_system_reset(VMRESET_REPORT);
1900 resume_all_vcpus();
1901 if (!runstate_check(RUN_STATE_RUNNING) &&
1902 !runstate_check(RUN_STATE_INMIGRATE)) {
1903 runstate_set(RUN_STATE_PRELAUNCH);
1904 }
1905 }
1906 if (qemu_wakeup_requested()) {
1907 pause_all_vcpus();
1908 cpu_synchronize_all_states();
1909 qemu_system_reset(VMRESET_SILENT);
1910 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1911 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1912 resume_all_vcpus();
1913 qapi_event_send_wakeup(&error_abort);
1914 }
1915 if (qemu_powerdown_requested()) {
1916 qemu_system_powerdown();
1917 }
1918 if (qemu_vmstop_requested(&r)) {
1919 vm_stop(r);
1920 }
1921 return false;
1922 }
1923
1924 static void main_loop(void)
1925 {
1926 bool nonblocking;
1927 int last_io = 0;
1928 #ifdef CONFIG_PROFILER
1929 int64_t ti;
1930 #endif
1931 do {
1932 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1933 #ifdef CONFIG_PROFILER
1934 ti = profile_getclock();
1935 #endif
1936 last_io = main_loop_wait(nonblocking);
1937 #ifdef CONFIG_PROFILER
1938 dev_time += profile_getclock() - ti;
1939 #endif
1940 } while (!main_loop_should_exit());
1941 }
1942
1943 static void version(void)
1944 {
1945 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1946 }
1947
1948 static void QEMU_NORETURN help(int exitcode)
1949 {
1950 version();
1951 printf("usage: %s [options] [disk_image]\n\n"
1952 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1953 error_get_progname());
1954
1955 #define QEMU_OPTIONS_GENERATE_HELP
1956 #include "qemu-options-wrapper.h"
1957
1958 printf("\nDuring emulation, the following keys are useful:\n"
1959 "ctrl-alt-f toggle full screen\n"
1960 "ctrl-alt-n switch to virtual console 'n'\n"
1961 "ctrl-alt toggle mouse and keyboard grab\n"
1962 "\n"
1963 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1964
1965 exit(exitcode);
1966 }
1967
1968 #define HAS_ARG 0x0001
1969
1970 typedef struct QEMUOption {
1971 const char *name;
1972 int flags;
1973 int index;
1974 uint32_t arch_mask;
1975 } QEMUOption;
1976
1977 static const QEMUOption qemu_options[] = {
1978 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1979 #define QEMU_OPTIONS_GENERATE_OPTIONS
1980 #include "qemu-options-wrapper.h"
1981 { NULL },
1982 };
1983
1984 static bool vga_available(void)
1985 {
1986 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1987 }
1988
1989 static bool cirrus_vga_available(void)
1990 {
1991 return object_class_by_name("cirrus-vga")
1992 || object_class_by_name("isa-cirrus-vga");
1993 }
1994
1995 static bool vmware_vga_available(void)
1996 {
1997 return object_class_by_name("vmware-svga");
1998 }
1999
2000 static bool qxl_vga_available(void)
2001 {
2002 return object_class_by_name("qxl-vga");
2003 }
2004
2005 static bool tcx_vga_available(void)
2006 {
2007 return object_class_by_name("SUNW,tcx");
2008 }
2009
2010 static bool cg3_vga_available(void)
2011 {
2012 return object_class_by_name("cgthree");
2013 }
2014
2015 static bool virtio_vga_available(void)
2016 {
2017 return object_class_by_name("virtio-vga");
2018 }
2019
2020 static void select_vgahw (const char *p)
2021 {
2022 const char *opts;
2023
2024 assert(vga_interface_type == VGA_NONE);
2025 if (strstart(p, "std", &opts)) {
2026 if (vga_available()) {
2027 vga_interface_type = VGA_STD;
2028 } else {
2029 error_report("standard VGA not available");
2030 exit(0);
2031 }
2032 } else if (strstart(p, "cirrus", &opts)) {
2033 if (cirrus_vga_available()) {
2034 vga_interface_type = VGA_CIRRUS;
2035 } else {
2036 error_report("Cirrus VGA not available");
2037 exit(0);
2038 }
2039 } else if (strstart(p, "vmware", &opts)) {
2040 if (vmware_vga_available()) {
2041 vga_interface_type = VGA_VMWARE;
2042 } else {
2043 error_report("VMWare SVGA not available");
2044 exit(0);
2045 }
2046 } else if (strstart(p, "virtio", &opts)) {
2047 if (virtio_vga_available()) {
2048 vga_interface_type = VGA_VIRTIO;
2049 } else {
2050 error_report("Virtio VGA not available");
2051 exit(0);
2052 }
2053 } else if (strstart(p, "xenfb", &opts)) {
2054 vga_interface_type = VGA_XENFB;
2055 } else if (strstart(p, "qxl", &opts)) {
2056 if (qxl_vga_available()) {
2057 vga_interface_type = VGA_QXL;
2058 } else {
2059 error_report("QXL VGA not available");
2060 exit(0);
2061 }
2062 } else if (strstart(p, "tcx", &opts)) {
2063 if (tcx_vga_available()) {
2064 vga_interface_type = VGA_TCX;
2065 } else {
2066 error_report("TCX framebuffer not available");
2067 exit(0);
2068 }
2069 } else if (strstart(p, "cg3", &opts)) {
2070 if (cg3_vga_available()) {
2071 vga_interface_type = VGA_CG3;
2072 } else {
2073 error_report("CG3 framebuffer not available");
2074 exit(0);
2075 }
2076 } else if (!strstart(p, "none", &opts)) {
2077 invalid_vga:
2078 error_report("unknown vga type: %s", p);
2079 exit(1);
2080 }
2081 while (*opts) {
2082 const char *nextopt;
2083
2084 if (strstart(opts, ",retrace=", &nextopt)) {
2085 opts = nextopt;
2086 if (strstart(opts, "dumb", &nextopt))
2087 vga_retrace_method = VGA_RETRACE_DUMB;
2088 else if (strstart(opts, "precise", &nextopt))
2089 vga_retrace_method = VGA_RETRACE_PRECISE;
2090 else goto invalid_vga;
2091 } else goto invalid_vga;
2092 opts = nextopt;
2093 }
2094 }
2095
2096 static DisplayType select_display(const char *p)
2097 {
2098 const char *opts;
2099 DisplayType display = DT_DEFAULT;
2100
2101 if (strstart(p, "sdl", &opts)) {
2102 #ifdef CONFIG_SDL
2103 display = DT_SDL;
2104 while (*opts) {
2105 const char *nextopt;
2106
2107 if (strstart(opts, ",frame=", &nextopt)) {
2108 opts = nextopt;
2109 if (strstart(opts, "on", &nextopt)) {
2110 no_frame = 0;
2111 } else if (strstart(opts, "off", &nextopt)) {
2112 no_frame = 1;
2113 } else {
2114 goto invalid_sdl_args;
2115 }
2116 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2117 opts = nextopt;
2118 if (strstart(opts, "on", &nextopt)) {
2119 alt_grab = 1;
2120 } else if (strstart(opts, "off", &nextopt)) {
2121 alt_grab = 0;
2122 } else {
2123 goto invalid_sdl_args;
2124 }
2125 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2126 opts = nextopt;
2127 if (strstart(opts, "on", &nextopt)) {
2128 ctrl_grab = 1;
2129 } else if (strstart(opts, "off", &nextopt)) {
2130 ctrl_grab = 0;
2131 } else {
2132 goto invalid_sdl_args;
2133 }
2134 } else if (strstart(opts, ",window_close=", &nextopt)) {
2135 opts = nextopt;
2136 if (strstart(opts, "on", &nextopt)) {
2137 no_quit = 0;
2138 } else if (strstart(opts, "off", &nextopt)) {
2139 no_quit = 1;
2140 } else {
2141 goto invalid_sdl_args;
2142 }
2143 } else if (strstart(opts, ",gl=", &nextopt)) {
2144 opts = nextopt;
2145 if (strstart(opts, "on", &nextopt)) {
2146 request_opengl = 1;
2147 } else if (strstart(opts, "off", &nextopt)) {
2148 request_opengl = 0;
2149 } else {
2150 goto invalid_sdl_args;
2151 }
2152 } else {
2153 invalid_sdl_args:
2154 error_report("invalid SDL option string");
2155 exit(1);
2156 }
2157 opts = nextopt;
2158 }
2159 #else
2160 error_report("SDL support is disabled");
2161 exit(1);
2162 #endif
2163 } else if (strstart(p, "vnc", &opts)) {
2164 #ifdef CONFIG_VNC
2165 if (*opts == '=') {
2166 Error *err = NULL;
2167 if (vnc_parse(opts + 1, &err) == NULL) {
2168 error_report_err(err);
2169 exit(1);
2170 }
2171 } else {
2172 error_report("VNC requires a display argument vnc=<display>");
2173 exit(1);
2174 }
2175 #else
2176 error_report("VNC support is disabled");
2177 exit(1);
2178 #endif
2179 } else if (strstart(p, "curses", &opts)) {
2180 #ifdef CONFIG_CURSES
2181 display = DT_CURSES;
2182 #else
2183 error_report("curses support is disabled");
2184 exit(1);
2185 #endif
2186 } else if (strstart(p, "gtk", &opts)) {
2187 #ifdef CONFIG_GTK
2188 display = DT_GTK;
2189 while (*opts) {
2190 const char *nextopt;
2191
2192 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2193 opts = nextopt;
2194 if (strstart(opts, "on", &nextopt)) {
2195 grab_on_hover = true;
2196 } else if (strstart(opts, "off", &nextopt)) {
2197 grab_on_hover = false;
2198 } else {
2199 goto invalid_gtk_args;
2200 }
2201 } else if (strstart(opts, ",gl=", &nextopt)) {
2202 opts = nextopt;
2203 if (strstart(opts, "on", &nextopt)) {
2204 request_opengl = 1;
2205 } else if (strstart(opts, "off", &nextopt)) {
2206 request_opengl = 0;
2207 } else {
2208 goto invalid_gtk_args;
2209 }
2210 } else {
2211 invalid_gtk_args:
2212 error_report("invalid GTK option string");
2213 exit(1);
2214 }
2215 opts = nextopt;
2216 }
2217 #else
2218 error_report("GTK support is disabled");
2219 exit(1);
2220 #endif
2221 } else if (strstart(p, "none", &opts)) {
2222 display = DT_NONE;
2223 } else {
2224 error_report("unknown display type");
2225 exit(1);
2226 }
2227
2228 return display;
2229 }
2230
2231 static int balloon_parse(const char *arg)
2232 {
2233 QemuOpts *opts;
2234
2235 if (strcmp(arg, "none") == 0) {
2236 return 0;
2237 }
2238
2239 if (!strncmp(arg, "virtio", 6)) {
2240 if (arg[6] == ',') {
2241 /* have params -> parse them */
2242 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2243 false);
2244 if (!opts)
2245 return -1;
2246 } else {
2247 /* create empty opts */
2248 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2249 &error_abort);
2250 }
2251 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2252 return 0;
2253 }
2254
2255 return -1;
2256 }
2257
2258 #if defined(CONFIG_RUBY)
2259 /* Ruby interface for QEMU. See README.EXT for programming example. */
2260 #warning mit ruby
2261 #include <ruby.h>
2262
2263 static VALUE qemu_open(int argc, VALUE *argv, VALUE klass)
2264 {
2265 int i;
2266 for (i = 0; i < argc; i++) {
2267 argv[i] = StringValue(argv[i]);
2268 fprintf(stderr, "argv[%d] = %s\n", i, StringValuePtr(argv[i]));
2269 }
2270 //~ if (rb_scan_args(argc, argv, "11", &file, &vmode) == 1) {
2271 //~ mode = 0666; /* default value */
2272 //~ }
2273 return INT2FIX(argc);
2274 }
2275
2276 void Init_qemu(void)
2277 {
2278 printf("%s\n", __func__);
2279 VALUE cQEMU = rb_define_class("QEMU", rb_cObject);
2280 rb_define_singleton_method(cQEMU, "run", qemu_open, -1);
2281 #if 0
2282 rb_define_method();
2283 #endif
2284 }
2285 #endif /* CONFIG_RUBY */
2286
2287 #if defined(CONFIG_DLL)
2288 BOOL APIENTRY DllMain(HINSTANCE hModule, DWORD ul_reason_for_call, LPVOID data)
2289 {
2290 return FALSE;
2291 }
2292 #endif /* CONFIG_DLL */
2293
2294 char *qemu_find_file(int type, const char *name)
2295 {
2296 int i;
2297 const char *subdir;
2298 char *buf;
2299
2300 /* Try the name as a straight path first */
2301 if (access(name, R_OK) == 0) {
2302 trace_load_file(name, name);
2303 return g_strdup(name);
2304 }
2305
2306 switch (type) {
2307 case QEMU_FILE_TYPE_BIOS:
2308 subdir = "";
2309 break;
2310 case QEMU_FILE_TYPE_KEYMAP:
2311 subdir = "keymaps/";
2312 break;
2313 default:
2314 abort();
2315 }
2316
2317 for (i = 0; i < data_dir_idx; i++) {
2318 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2319 if (access(buf, R_OK) == 0) {
2320 trace_load_file(name, buf);
2321 return buf;
2322 }
2323 g_free(buf);
2324 }
2325 return NULL;
2326 }
2327
2328 static inline bool nonempty_str(const char *str)
2329 {
2330 return str && *str;
2331 }
2332
2333 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2334 {
2335 gchar *buf;
2336 size_t size;
2337 const char *name, *file, *str;
2338
2339 if (opaque == NULL) {
2340 error_report("fw_cfg device not available");
2341 return -1;
2342 }
2343 name = qemu_opt_get(opts, "name");
2344 file = qemu_opt_get(opts, "file");
2345 str = qemu_opt_get(opts, "string");
2346
2347 /* we need name and either a file or the content string */
2348 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2349 error_report("invalid argument(s)");
2350 return -1;
2351 }
2352 if (nonempty_str(file) && nonempty_str(str)) {
2353 error_report("file and string are mutually exclusive");
2354 return -1;
2355 }
2356 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2357 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2358 return -1;
2359 }
2360 if (strncmp(name, "opt/", 4) != 0) {
2361 error_report("warning: externally provided fw_cfg item names "
2362 "should be prefixed with \"opt/\"");
2363 }
2364 if (nonempty_str(str)) {
2365 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2366 buf = g_memdup(str, size);
2367 } else {
2368 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2369 error_report("can't load %s", file);
2370 return -1;
2371 }
2372 }
2373 fw_cfg_add_file((FWCfgState *)opaque, name, buf, size);
2374 return 0;
2375 }
2376
2377 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2378 {
2379 return qdev_device_help(opts);
2380 }
2381
2382 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2383 {
2384 Error *err = NULL;
2385 DeviceState *dev;
2386
2387 dev = qdev_device_add(opts, &err);
2388 if (!dev) {
2389 error_report_err(err);
2390 return -1;
2391 }
2392 object_unref(OBJECT(dev));
2393 return 0;
2394 }
2395
2396 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2397 {
2398 Error *local_err = NULL;
2399
2400 qemu_chr_new_from_opts(opts, NULL, &local_err);
2401 if (local_err) {
2402 error_report_err(local_err);
2403 return -1;
2404 }
2405 return 0;
2406 }
2407
2408 #ifdef CONFIG_VIRTFS
2409 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2410 {
2411 int ret;
2412 ret = qemu_fsdev_add(opts);
2413
2414 return ret;
2415 }
2416 #endif
2417
2418 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2419 {
2420 CharDriverState *chr;
2421 const char *chardev;
2422 const char *mode;
2423 int flags;
2424
2425 mode = qemu_opt_get(opts, "mode");
2426 if (mode == NULL) {
2427 mode = "readline";
2428 }
2429 if (strcmp(mode, "readline") == 0) {
2430 flags = MONITOR_USE_READLINE;
2431 } else if (strcmp(mode, "control") == 0) {
2432 flags = MONITOR_USE_CONTROL;
2433 } else {
2434 error_report("unknown monitor mode \"%s\"", mode);
2435 exit(1);
2436 }
2437
2438 if (qemu_opt_get_bool(opts, "pretty", 0))
2439 flags |= MONITOR_USE_PRETTY;
2440
2441 if (qemu_opt_get_bool(opts, "default", 0))
2442 flags |= MONITOR_IS_DEFAULT;
2443
2444 chardev = qemu_opt_get(opts, "chardev");
2445 chr = qemu_chr_find(chardev);
2446 if (chr == NULL) {
2447 error_report("chardev \"%s\" not found", chardev);
2448 exit(1);
2449 }
2450
2451 qemu_chr_fe_claim_no_fail(chr);
2452 monitor_init(chr, flags);
2453 return 0;
2454 }
2455
2456 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2457 {
2458 static int monitor_device_index = 0;
2459 Error *local_err = NULL;
2460 QemuOpts *opts;
2461 const char *p;
2462 char label[32];
2463 int def = 0;
2464
2465 if (strstart(optarg, "chardev:", &p)) {
2466 snprintf(label, sizeof(label), "%s", p);
2467 } else {
2468 snprintf(label, sizeof(label), "compat_monitor%d",
2469 monitor_device_index);
2470 if (monitor_device_index == 0) {
2471 def = 1;
2472 }
2473 opts = qemu_chr_parse_compat(label, optarg);
2474 if (!opts) {
2475 error_report("parse error: %s", optarg);
2476 exit(1);
2477 }
2478 }
2479
2480 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2481 if (!opts) {
2482 error_report_err(local_err);
2483 exit(1);
2484 }
2485 qemu_opt_set(opts, "mode", mode, &error_abort);
2486 qemu_opt_set(opts, "chardev", label, &error_abort);
2487 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2488 if (def)
2489 qemu_opt_set(opts, "default", "on", &error_abort);
2490 monitor_device_index++;
2491 }
2492
2493 struct device_config {
2494 enum {
2495 DEV_USB, /* -usbdevice */
2496 DEV_BT, /* -bt */
2497 DEV_SERIAL, /* -serial */
2498 DEV_PARALLEL, /* -parallel */
2499 DEV_VIRTCON, /* -virtioconsole */
2500 DEV_DEBUGCON, /* -debugcon */
2501 DEV_GDB, /* -gdb, -s */
2502 DEV_SCLP, /* s390 sclp */
2503 } type;
2504 const char *cmdline;
2505 Location loc;
2506 QTAILQ_ENTRY(device_config) next;
2507 };
2508
2509 static QTAILQ_HEAD(, device_config) device_configs =
2510 QTAILQ_HEAD_INITIALIZER(device_configs);
2511
2512 static void add_device_config(int type, const char *cmdline)
2513 {
2514 struct device_config *conf;
2515
2516 conf = g_malloc0(sizeof(*conf));
2517 conf->type = type;
2518 conf->cmdline = cmdline;
2519 loc_save(&conf->loc);
2520 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2521 }
2522
2523 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2524 {
2525 struct device_config *conf;
2526 int rc;
2527
2528 QTAILQ_FOREACH(conf, &device_configs, next) {
2529 if (conf->type != type)
2530 continue;
2531 loc_push_restore(&conf->loc);
2532 rc = func(conf->cmdline);
2533 loc_pop(&conf->loc);
2534 if (rc) {
2535 return rc;
2536 }
2537 }
2538 return 0;
2539 }
2540
2541 static int serial_parse(const char *devname)
2542 {
2543 static int index = 0;
2544 char label[32];
2545
2546 if (strcmp(devname, "none") == 0)
2547 return 0;
2548 if (index == MAX_SERIAL_PORTS) {
2549 error_report("too many serial ports");
2550 exit(1);
2551 }
2552 snprintf(label, sizeof(label), "serial%d", index);
2553 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2554 if (!serial_hds[index]) {
2555 error_report("could not connect serial device"
2556 " to character backend '%s'", devname);
2557 return -1;
2558 }
2559 index++;
2560 return 0;
2561 }
2562
2563 static int parallel_parse(const char *devname)
2564 {
2565 static int index = 0;
2566 char label[32];
2567
2568 if (strcmp(devname, "none") == 0)
2569 return 0;
2570 if (index == MAX_PARALLEL_PORTS) {
2571 error_report("too many parallel ports");
2572 exit(1);
2573 }
2574 snprintf(label, sizeof(label), "parallel%d", index);
2575 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2576 if (!parallel_hds[index]) {
2577 error_report("could not connect parallel device"
2578 " to character backend '%s'", devname);
2579 return -1;
2580 }
2581 index++;
2582 return 0;
2583 }
2584
2585 static int virtcon_parse(const char *devname)
2586 {
2587 QemuOptsList *device = qemu_find_opts("device");
2588 static int index = 0;
2589 char label[32];
2590 QemuOpts *bus_opts, *dev_opts;
2591
2592 if (strcmp(devname, "none") == 0)
2593 return 0;
2594 if (index == MAX_VIRTIO_CONSOLES) {
2595 error_report("too many virtio consoles");
2596 exit(1);
2597 }
2598
2599 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2600 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2601
2602 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2603 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2604
2605 snprintf(label, sizeof(label), "virtcon%d", index);
2606 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2607 if (!virtcon_hds[index]) {
2608 error_report("could not connect virtio console"
2609 " to character backend '%s'", devname);
2610 return -1;
2611 }
2612 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2613
2614 index++;
2615 return 0;
2616 }
2617
2618 static int sclp_parse(const char *devname)
2619 {
2620 QemuOptsList *device = qemu_find_opts("device");
2621 static int index = 0;
2622 char label[32];
2623 QemuOpts *dev_opts;
2624
2625 if (strcmp(devname, "none") == 0) {
2626 return 0;
2627 }
2628 if (index == MAX_SCLP_CONSOLES) {
2629 error_report("too many sclp consoles");
2630 exit(1);
2631 }
2632
2633 assert(arch_type == QEMU_ARCH_S390X);
2634
2635 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2636 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2637
2638 snprintf(label, sizeof(label), "sclpcon%d", index);
2639 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2640 if (!sclp_hds[index]) {
2641 error_report("could not connect sclp console"
2642 " to character backend '%s'", devname);
2643 return -1;
2644 }
2645 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2646
2647 index++;
2648 return 0;
2649 }
2650
2651 static int debugcon_parse(const char *devname)
2652 {
2653 QemuOpts *opts;
2654
2655 if (!qemu_chr_new("debugcon", devname, NULL)) {
2656 exit(1);
2657 }
2658 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2659 if (!opts) {
2660 error_report("already have a debugcon device");
2661 exit(1);
2662 }
2663 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2664 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2665 return 0;
2666 }
2667
2668 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2669 {
2670 const MachineClass *mc1 = a, *mc2 = b;
2671 int res;
2672
2673 if (mc1->family == NULL) {
2674 if (mc2->family == NULL) {
2675 /* Compare standalone machine types against each other; they sort
2676 * in increasing order.
2677 */
2678 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2679 object_class_get_name(OBJECT_CLASS(mc2)));
2680 }
2681
2682 /* Standalone machine types sort after families. */
2683 return 1;
2684 }
2685
2686 if (mc2->family == NULL) {
2687 /* Families sort before standalone machine types. */
2688 return -1;
2689 }
2690
2691 /* Families sort between each other alphabetically increasingly. */
2692 res = strcmp(mc1->family, mc2->family);
2693 if (res != 0) {
2694 return res;
2695 }
2696
2697 /* Within the same family, machine types sort in decreasing order. */
2698 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2699 object_class_get_name(OBJECT_CLASS(mc1)));
2700 }
2701
2702 static MachineClass *machine_parse(const char *name)
2703 {
2704 MachineClass *mc = NULL;
2705 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2706
2707 if (name) {
2708 mc = find_machine(name);
2709 }
2710 if (mc) {
2711 g_slist_free(machines);
2712 return mc;
2713 }
2714 if (name && !is_help_option(name)) {
2715 error_report("unsupported machine type");
2716 error_printf("Use -machine help to list supported machines\n");
2717 } else {
2718 printf("Supported machines are:\n");
2719 machines = g_slist_sort(machines, machine_class_cmp);
2720 for (el = machines; el; el = el->next) {
2721 MachineClass *mc = el->data;
2722 if (mc->alias) {
2723 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2724 }
2725 printf("%-20s %s%s\n", mc->name, mc->desc,
2726 mc->is_default ? " (default)" : "");
2727 }
2728 }
2729
2730 g_slist_free(machines);
2731 exit(!name || !is_help_option(name));
2732 }
2733
2734 void qemu_add_exit_notifier(Notifier *notify)
2735 {
2736 notifier_list_add(&exit_notifiers, notify);
2737 }
2738
2739 void qemu_remove_exit_notifier(Notifier *notify)
2740 {
2741 notifier_remove(notify);
2742 }
2743
2744 static void qemu_run_exit_notifiers(void)
2745 {
2746 notifier_list_notify(&exit_notifiers, NULL);
2747 }
2748
2749 static bool machine_init_done;
2750
2751 void qemu_add_machine_init_done_notifier(Notifier *notify)
2752 {
2753 notifier_list_add(&machine_init_done_notifiers, notify);
2754 if (machine_init_done) {
2755 notify->notify(notify, NULL);
2756 }
2757 }
2758
2759 static void qemu_run_machine_init_done_notifiers(void)
2760 {
2761 notifier_list_notify(&machine_init_done_notifiers, NULL);
2762 machine_init_done = true;
2763 }
2764
2765 static const QEMUOption *lookup_opt(int argc, char **argv,
2766 const char **poptarg, int *poptind)
2767 {
2768 const QEMUOption *popt;
2769 int optind = *poptind;
2770 char *r = argv[optind];
2771 const char *optarg;
2772
2773 loc_set_cmdline(argv, optind, 1);
2774 optind++;
2775 /* Treat --foo the same as -foo. */
2776 if (r[1] == '-')
2777 r++;
2778 popt = qemu_options;
2779 for(;;) {
2780 if (!popt->name) {
2781 error_report("invalid option");
2782 exit(1);
2783 }
2784 if (!strcmp(popt->name, r + 1))
2785 break;
2786 popt++;
2787 }
2788 if (popt->flags & HAS_ARG) {
2789 if (optind >= argc) {
2790 error_report("requires an argument");
2791 exit(1);
2792 }
2793 optarg = argv[optind++];
2794 loc_set_cmdline(argv, optind - 2, 2);
2795 } else {
2796 optarg = NULL;
2797 }
2798
2799 *poptarg = optarg;
2800 *poptind = optind;
2801
2802 return popt;
2803 }
2804
2805 static MachineClass *select_machine(void)
2806 {
2807 MachineClass *machine_class = find_default_machine();
2808 const char *optarg;
2809 QemuOpts *opts;
2810 Location loc;
2811
2812 loc_push_none(&loc);
2813
2814 opts = qemu_get_machine_opts();
2815 qemu_opts_loc_restore(opts);
2816
2817 optarg = qemu_opt_get(opts, "type");
2818 if (optarg) {
2819 machine_class = machine_parse(optarg);
2820 }
2821
2822 if (!machine_class) {
2823 error_report("No machine specified, and there is no default");
2824 error_printf("Use -machine help to list supported machines\n");
2825 exit(1);
2826 }
2827
2828 loc_pop(&loc);
2829 return machine_class;
2830 }
2831
2832 static int machine_set_property(void *opaque,
2833 const char *name, const char *value,
2834 Error **errp)
2835 {
2836 Object *obj = OBJECT(opaque);
2837 Error *local_err = NULL;
2838 char *c, *qom_name;
2839
2840 if (strcmp(name, "type") == 0) {
2841 return 0;
2842 }
2843
2844 qom_name = g_strdup(name);
2845 c = qom_name;
2846 while (*c++) {
2847 if (*c == '_') {
2848 *c = '-';
2849 }
2850 }
2851
2852 object_property_parse(obj, value, qom_name, &local_err);
2853 g_free(qom_name);
2854
2855 if (local_err) {
2856 error_report_err(local_err);
2857 return -1;
2858 }
2859
2860 return 0;
2861 }
2862
2863
2864 /*
2865 * Initial object creation happens before all other
2866 * QEMU data types are created. The majority of objects
2867 * can be created at this point. The rng-egd object
2868 * cannot be created here, as it depends on the chardev
2869 * already existing.
2870 */
2871 static bool object_create_initial(const char *type)
2872 {
2873 if (g_str_equal(type, "rng-egd")) {
2874 return false;
2875 }
2876
2877 /*
2878 * return false for concrete netfilters since
2879 * they depend on netdevs already existing
2880 */
2881 if (g_str_equal(type, "filter-buffer") ||
2882 g_str_equal(type, "filter-dump")) {
2883 return false;
2884 }
2885
2886 return true;
2887 }
2888
2889
2890 /*
2891 * The remainder of object creation happens after the
2892 * creation of chardev, fsdev, net clients and device data types.
2893 */
2894 static bool object_create_delayed(const char *type)
2895 {
2896 return !object_create_initial(type);
2897 }
2898
2899
2900 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2901 MachineClass *mc)
2902 {
2903 uint64_t sz;
2904 const char *mem_str;
2905 const char *maxmem_str, *slots_str;
2906 const ram_addr_t default_ram_size = mc->default_ram_size;
2907 QemuOpts *opts = qemu_find_opts_singleton("memory");
2908 Location loc;
2909
2910 loc_push_none(&loc);
2911 qemu_opts_loc_restore(opts);
2912
2913 sz = 0;
2914 mem_str = qemu_opt_get(opts, "size");
2915 if (mem_str) {
2916 if (!*mem_str) {
2917 error_report("missing 'size' option value");
2918 exit(EXIT_FAILURE);
2919 }
2920
2921 sz = qemu_opt_get_size(opts, "size", ram_size);
2922
2923 /* Fix up legacy suffix-less format */
2924 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2925 uint64_t overflow_check = sz;
2926
2927 sz <<= 20;
2928 if ((sz >> 20) != overflow_check) {
2929 error_report("too large 'size' option value");
2930 exit(EXIT_FAILURE);
2931 }
2932 }
2933 }
2934
2935 /* backward compatibility behaviour for case "-m 0" */
2936 if (sz == 0) {
2937 sz = default_ram_size;
2938 }
2939
2940 sz = QEMU_ALIGN_UP(sz, 8192);
2941 ram_size = sz;
2942 if (ram_size != sz) {
2943 error_report("ram size too large");
2944 exit(EXIT_FAILURE);
2945 }
2946
2947 /* store value for the future use */
2948 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2949 *maxram_size = ram_size;
2950
2951 maxmem_str = qemu_opt_get(opts, "maxmem");
2952 slots_str = qemu_opt_get(opts, "slots");
2953 if (maxmem_str && slots_str) {
2954 uint64_t slots;
2955
2956 sz = qemu_opt_get_size(opts, "maxmem", 0);
2957 slots = qemu_opt_get_number(opts, "slots", 0);
2958 if (sz < ram_size) {
2959 error_report("invalid value of -m option maxmem: "
2960 "maximum memory size (0x%" PRIx64 ") must be at least "
2961 "the initial memory size (0x" RAM_ADDR_FMT ")",
2962 sz, ram_size);
2963 exit(EXIT_FAILURE);
2964 } else if (sz > ram_size) {
2965 if (!slots) {
2966 error_report("invalid value of -m option: maxmem was "
2967 "specified, but no hotplug slots were specified");
2968 exit(EXIT_FAILURE);
2969 }
2970 } else if (slots) {
2971 error_report("invalid value of -m option maxmem: "
2972 "memory slots were specified but maximum memory size "
2973 "(0x%" PRIx64 ") is equal to the initial memory size "
2974 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2975 exit(EXIT_FAILURE);
2976 }
2977
2978 *maxram_size = sz;
2979 *ram_slots = slots;
2980 } else if ((!maxmem_str && slots_str) ||
2981 (maxmem_str && !slots_str)) {
2982 error_report("invalid -m option value: missing "
2983 "'%s' option", slots_str ? "maxmem" : "slots");
2984 exit(EXIT_FAILURE);
2985 }
2986
2987 loc_pop(&loc);
2988 }
2989
2990 int main(int argc, char **argv)
2991 {
2992 int i;
2993 int snapshot, linux_boot;
2994 const char *initrd_filename;
2995 const char *kernel_filename, *kernel_cmdline;
2996 const char *boot_order = NULL;
2997 const char *boot_once = NULL;
2998 DisplayState *ds;
2999 int cyls, heads, secs, translation;
3000 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
3001 QemuOptsList *olist;
3002 int optind;
3003 const char *optarg;
3004 const char *loadvm = NULL;
3005 MachineClass *machine_class;
3006 const char *cpu_model;
3007 const char *vga_model = NULL;
3008 const char *qtest_chrdev = NULL;
3009 const char *qtest_log = NULL;
3010 const char *pid_file = NULL;
3011 const char *incoming = NULL;
3012 #ifdef CONFIG_VNC
3013 int show_vnc_port = 0;
3014 #endif
3015 bool defconfig = true;
3016 bool userconfig = true;
3017 const char *log_mask = NULL;
3018 const char *log_file = NULL;
3019 char *trace_file = NULL;
3020 ram_addr_t maxram_size;
3021 uint64_t ram_slots = 0;
3022 FILE *vmstate_dump_file = NULL;
3023 Error *main_loop_err = NULL;
3024 Error *err = NULL;
3025
3026 qemu_init_cpu_loop();
3027 qemu_mutex_lock_iothread();
3028
3029 atexit(qemu_run_exit_notifiers);
3030 error_set_progname(argv[0]);
3031 qemu_init_exec_dir(argv[0]);
3032
3033 module_call_init(MODULE_INIT_QOM);
3034
3035 qemu_add_opts(&qemu_drive_opts);
3036 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3037 qemu_add_drive_opts(&qemu_common_drive_opts);
3038 qemu_add_drive_opts(&qemu_drive_opts);
3039 qemu_add_opts(&qemu_chardev_opts);
3040 qemu_add_opts(&qemu_device_opts);
3041 qemu_add_opts(&qemu_netdev_opts);
3042 qemu_add_opts(&qemu_net_opts);
3043 qemu_add_opts(&qemu_rtc_opts);
3044 qemu_add_opts(&qemu_global_opts);
3045 qemu_add_opts(&qemu_mon_opts);
3046 qemu_add_opts(&qemu_trace_opts);
3047 qemu_add_opts(&qemu_option_rom_opts);
3048 qemu_add_opts(&qemu_machine_opts);
3049 qemu_add_opts(&qemu_mem_opts);
3050 qemu_add_opts(&qemu_smp_opts);
3051 qemu_add_opts(&qemu_boot_opts);
3052 qemu_add_opts(&qemu_sandbox_opts);
3053 qemu_add_opts(&qemu_add_fd_opts);
3054 qemu_add_opts(&qemu_object_opts);
3055 qemu_add_opts(&qemu_tpmdev_opts);
3056 qemu_add_opts(&qemu_realtime_opts);
3057 qemu_add_opts(&qemu_msg_opts);
3058 qemu_add_opts(&qemu_name_opts);
3059 qemu_add_opts(&qemu_numa_opts);
3060 qemu_add_opts(&qemu_icount_opts);
3061 qemu_add_opts(&qemu_semihosting_config_opts);
3062 qemu_add_opts(&qemu_fw_cfg_opts);
3063
3064 runstate_init();
3065
3066 if (qcrypto_init(&err) < 0) {
3067 error_reportf_err(err, "cannot initialize crypto: ");
3068 exit(1);
3069 }
3070 rtc_clock = QEMU_CLOCK_HOST;
3071
3072 QLIST_INIT (&vm_change_state_head);
3073 os_setup_early_signal_handling();
3074
3075 module_call_init(MODULE_INIT_MACHINE);
3076 cpu_model = NULL;
3077 snapshot = 0;
3078 cyls = heads = secs = 0;
3079 translation = BIOS_ATA_TRANSLATION_AUTO;
3080
3081 nb_nics = 0;
3082
3083 bdrv_init_with_whitelist();
3084
3085 autostart = 1;
3086
3087 /* first pass of option parsing */
3088 optind = 1;
3089 while (optind < argc) {
3090 if (argv[optind][0] != '-') {
3091 /* disk image */
3092 optind++;
3093 } else {
3094 const QEMUOption *popt;
3095
3096 popt = lookup_opt(argc, argv, &optarg, &optind);
3097 switch (popt->index) {
3098 case QEMU_OPTION_nodefconfig:
3099 defconfig = false;
3100 break;
3101 case QEMU_OPTION_nouserconfig:
3102 userconfig = false;
3103 break;
3104 }
3105 }
3106 }
3107
3108 if (defconfig) {
3109 int ret;
3110 ret = qemu_read_default_config_files(userconfig);
3111 if (ret < 0) {
3112 exit(1);
3113 }
3114 }
3115
3116 /* second pass of option parsing */
3117 optind = 1;
3118 for(;;) {
3119 if (optind >= argc)
3120 break;
3121 if (argv[optind][0] != '-') {
3122 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3123 } else {
3124 const QEMUOption *popt;
3125
3126 popt = lookup_opt(argc, argv, &optarg, &optind);
3127 if (!(popt->arch_mask & arch_type)) {
3128 printf("Option %s not supported for this target\n", popt->name);
3129 exit(1);
3130 }
3131 switch(popt->index) {
3132 case QEMU_OPTION_no_kvm_irqchip: {
3133 olist = qemu_find_opts("machine");
3134 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3135 break;
3136 }
3137 case QEMU_OPTION_cpu:
3138 /* hw initialization will check this */
3139 cpu_model = optarg;
3140 break;
3141 case QEMU_OPTION_hda:
3142 {
3143 char buf[256];
3144 if (cyls == 0)
3145 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3146 else
3147 snprintf(buf, sizeof(buf),
3148 "%s,cyls=%d,heads=%d,secs=%d%s",
3149 HD_OPTS , cyls, heads, secs,
3150 translation == BIOS_ATA_TRANSLATION_LBA ?
3151 ",trans=lba" :
3152 translation == BIOS_ATA_TRANSLATION_NONE ?
3153 ",trans=none" : "");
3154 drive_add(IF_DEFAULT, 0, optarg, buf);
3155 break;
3156 }
3157 case QEMU_OPTION_hdb:
3158 case QEMU_OPTION_hdc:
3159 case QEMU_OPTION_hdd:
3160 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3161 HD_OPTS);
3162 break;
3163 case QEMU_OPTION_drive:
3164 if (drive_def(optarg) == NULL) {
3165 exit(1);
3166 }
3167 break;
3168 case QEMU_OPTION_set:
3169 if (qemu_set_option(optarg) != 0)
3170 exit(1);
3171 break;
3172 case QEMU_OPTION_global:
3173 if (qemu_global_option(optarg) != 0)
3174 exit(1);
3175 break;
3176 case QEMU_OPTION_mtdblock:
3177 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3178 break;
3179 case QEMU_OPTION_sd:
3180 drive_add(IF_SD, -1, optarg, SD_OPTS);
3181 break;
3182 case QEMU_OPTION_pflash:
3183 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3184 break;
3185 case QEMU_OPTION_snapshot:
3186 snapshot = 1;
3187 break;
3188 case QEMU_OPTION_hdachs:
3189 {
3190 const char *p;
3191 p = optarg;
3192 cyls = strtol(p, (char **)&p, 0);
3193 if (cyls < 1 || cyls > 16383)
3194 goto chs_fail;
3195 if (*p != ',')
3196 goto chs_fail;
3197 p++;
3198 heads = strtol(p, (char **)&p, 0);
3199 if (heads < 1 || heads > 16)
3200 goto chs_fail;
3201 if (*p != ',')
3202 goto chs_fail;
3203 p++;
3204 secs = strtol(p, (char **)&p, 0);
3205 if (secs < 1 || secs > 63)
3206 goto chs_fail;
3207 if (*p == ',') {
3208 p++;
3209 if (!strcmp(p, "large")) {
3210 translation = BIOS_ATA_TRANSLATION_LARGE;
3211 } else if (!strcmp(p, "rechs")) {
3212 translation = BIOS_ATA_TRANSLATION_RECHS;
3213 } else if (!strcmp(p, "none")) {
3214 translation = BIOS_ATA_TRANSLATION_NONE;
3215 } else if (!strcmp(p, "lba")) {
3216 translation = BIOS_ATA_TRANSLATION_LBA;
3217 } else if (!strcmp(p, "auto")) {
3218 translation = BIOS_ATA_TRANSLATION_AUTO;
3219 } else {
3220 goto chs_fail;
3221 }
3222 } else if (*p != '\0') {
3223 chs_fail:
3224 error_report("invalid physical CHS format");
3225 exit(1);
3226 }
3227 if (hda_opts != NULL) {
3228 qemu_opt_set_number(hda_opts, "cyls", cyls,
3229 &error_abort);
3230 qemu_opt_set_number(hda_opts, "heads", heads,
3231 &error_abort);
3232 qemu_opt_set_number(hda_opts, "secs", secs,
3233 &error_abort);
3234 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3235 qemu_opt_set(hda_opts, "trans", "large",
3236 &error_abort);
3237 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3238 qemu_opt_set(hda_opts, "trans", "rechs",
3239 &error_abort);
3240 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3241 qemu_opt_set(hda_opts, "trans", "lba",
3242 &error_abort);
3243 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3244 qemu_opt_set(hda_opts, "trans", "none",
3245 &error_abort);
3246 }
3247 }
3248 }
3249 break;
3250 case QEMU_OPTION_numa:
3251 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3252 optarg, true);
3253 if (!opts) {
3254 exit(1);
3255 }
3256 break;
3257 case QEMU_OPTION_display:
3258 display_type = select_display(optarg);
3259 break;
3260 case QEMU_OPTION_nographic:
3261 display_type = DT_NOGRAPHIC;
3262 break;
3263 case QEMU_OPTION_curses:
3264 #ifdef CONFIG_CURSES
3265 display_type = DT_CURSES;
3266 #else
3267 error_report("curses support is disabled");
3268 exit(1);
3269 #endif
3270 break;
3271 case QEMU_OPTION_portrait:
3272 graphic_rotate = 90;
3273 break;
3274 case QEMU_OPTION_rotate:
3275 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3276 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3277 graphic_rotate != 180 && graphic_rotate != 270) {
3278 error_report("only 90, 180, 270 deg rotation is available");
3279 exit(1);
3280 }
3281 break;
3282 case QEMU_OPTION_kernel:
3283 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3284 &error_abort);
3285 break;
3286 case QEMU_OPTION_initrd:
3287 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3288 &error_abort);
3289 break;
3290 case QEMU_OPTION_append:
3291 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3292 &error_abort);
3293 break;
3294 case QEMU_OPTION_dtb:
3295 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3296 &error_abort);
3297 break;
3298 case QEMU_OPTION_cdrom:
3299 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3300 break;
3301 case QEMU_OPTION_boot:
3302 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3303 optarg, true);
3304 if (!opts) {
3305 exit(1);
3306 }
3307 break;
3308 case QEMU_OPTION_fda:
3309 case QEMU_OPTION_fdb:
3310 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3311 optarg, FD_OPTS);
3312 break;
3313 case QEMU_OPTION_no_fd_bootchk:
3314 fd_bootchk = 0;
3315 break;
3316 case QEMU_OPTION_netdev:
3317 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3318 exit(1);
3319 }
3320 break;
3321 case QEMU_OPTION_net:
3322 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3323 exit(1);
3324 }
3325 break;
3326 #ifdef CONFIG_LIBISCSI
3327 case QEMU_OPTION_iscsi:
3328 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3329 optarg, false);
3330 if (!opts) {
3331 exit(1);
3332 }
3333 break;
3334 #endif
3335 #ifdef CONFIG_SLIRP
3336 case QEMU_OPTION_tftp:
3337 error_report("The -tftp option is deprecated. "
3338 "Please use '-netdev user,tftp=...' instead.");
3339 legacy_tftp_prefix = optarg;
3340 break;
3341 case QEMU_OPTION_bootp:
3342 error_report("The -bootp option is deprecated. "
3343 "Please use '-netdev user,bootfile=...' instead.");
3344 legacy_bootp_filename = optarg;
3345 break;
3346 case QEMU_OPTION_redir:
3347 error_report("The -redir option is deprecated. "
3348 "Please use '-netdev user,hostfwd=...' instead.");
3349 if (net_slirp_redir(optarg) < 0)
3350 exit(1);
3351 break;
3352 #endif
3353 case QEMU_OPTION_bt:
3354 add_device_config(DEV_BT, optarg);
3355 break;
3356 case QEMU_OPTION_audio_help:
3357 AUD_help ();
3358 exit (0);
3359 break;
3360 case QEMU_OPTION_soundhw:
3361 select_soundhw (optarg);
3362 break;
3363 case QEMU_OPTION_h:
3364 help(0);
3365 break;
3366 case QEMU_OPTION_version:
3367 version();
3368 exit(0);
3369 break;
3370 case QEMU_OPTION_m:
3371 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3372 optarg, true);
3373 if (!opts) {
3374 exit(EXIT_FAILURE);
3375 }
3376 break;
3377 #ifdef CONFIG_TPM
3378 case QEMU_OPTION_tpmdev:
3379 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3380 exit(1);
3381 }
3382 break;
3383 #endif
3384 case QEMU_OPTION_mempath:
3385 mem_path = optarg;
3386 break;
3387 case QEMU_OPTION_mem_prealloc:
3388 mem_prealloc = 1;
3389 break;
3390 case QEMU_OPTION_d:
3391 log_mask = optarg;
3392 break;
3393 case QEMU_OPTION_D:
3394 log_file = optarg;
3395 break;
3396 case QEMU_OPTION_s:
3397 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3398 break;
3399 case QEMU_OPTION_gdb:
3400 add_device_config(DEV_GDB, optarg);
3401 break;
3402 case QEMU_OPTION_L:
3403 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3404 data_dir[data_dir_idx++] = optarg;
3405 }
3406 break;
3407 case QEMU_OPTION_bios:
3408 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3409 &error_abort);
3410 break;
3411 case QEMU_OPTION_singlestep:
3412 singlestep = 1;
3413 break;
3414 case QEMU_OPTION_S:
3415 autostart = 0;
3416 break;
3417 case QEMU_OPTION_k:
3418 keyboard_layout = optarg;
3419 break;
3420 case QEMU_OPTION_localtime:
3421 rtc_utc = 0;
3422 break;
3423 case QEMU_OPTION_vga:
3424 vga_model = optarg;
3425 default_vga = 0;
3426 break;
3427 case QEMU_OPTION_g:
3428 {
3429 const char *p;
3430 int w, h, depth;
3431 p = optarg;
3432 w = strtol(p, (char **)&p, 10);
3433 if (w <= 0) {
3434 graphic_error:
3435 error_report("invalid resolution or depth");
3436 exit(1);
3437 }
3438 if (*p != 'x')
3439 goto graphic_error;
3440 p++;
3441 h = strtol(p, (char **)&p, 10);
3442 if (h <= 0)
3443 goto graphic_error;
3444 if (*p == 'x') {
3445 p++;
3446 depth = strtol(p, (char **)&p, 10);
3447 if (depth != 8 && depth != 15 && depth != 16 &&
3448 depth != 24 && depth != 32)
3449 goto graphic_error;
3450 } else if (*p == '\0') {
3451 depth = graphic_depth;
3452 } else {
3453 goto graphic_error;
3454 }
3455
3456 graphic_width = w;
3457 graphic_height = h;
3458 graphic_depth = depth;
3459 }
3460 break;
3461 case QEMU_OPTION_echr:
3462 {
3463 char *r;
3464 term_escape_char = strtol(optarg, &r, 0);
3465 if (r == optarg)
3466 printf("Bad argument to echr\n");
3467 break;
3468 }
3469 case QEMU_OPTION_monitor:
3470 default_monitor = 0;
3471 if (strncmp(optarg, "none", 4)) {
3472 monitor_parse(optarg, "readline", false);
3473 }
3474 break;
3475 case QEMU_OPTION_qmp:
3476 monitor_parse(optarg, "control", false);
3477 default_monitor = 0;
3478 break;
3479 case QEMU_OPTION_qmp_pretty:
3480 monitor_parse(optarg, "control", true);
3481 default_monitor = 0;
3482 break;
3483 case QEMU_OPTION_mon:
3484 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3485 true);
3486 if (!opts) {
3487 exit(1);
3488 }
3489 default_monitor = 0;
3490 break;
3491 case QEMU_OPTION_chardev:
3492 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3493 optarg, true);
3494 if (!opts) {
3495 exit(1);
3496 }
3497 break;
3498 case QEMU_OPTION_fsdev:
3499 olist = qemu_find_opts("fsdev");
3500 if (!olist) {
3501 error_report("fsdev support is disabled");
3502 exit(1);
3503 }
3504 opts = qemu_opts_parse_noisily(olist, optarg, true);
3505 if (!opts) {
3506 exit(1);
3507 }
3508 break;
3509 case QEMU_OPTION_virtfs: {
3510 QemuOpts *fsdev;
3511 QemuOpts *device;
3512 const char *writeout, *sock_fd, *socket;
3513
3514 olist = qemu_find_opts("virtfs");
3515 if (!olist) {
3516 error_report("virtfs support is disabled");
3517 exit(1);
3518 }
3519 opts = qemu_opts_parse_noisily(olist, optarg, true);
3520 if (!opts) {
3521 exit(1);
3522 }
3523
3524 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3525 qemu_opt_get(opts, "mount_tag") == NULL) {
3526 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3527 exit(1);
3528 }
3529 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3530 qemu_opt_get(opts, "mount_tag"),
3531 1, NULL);
3532 if (!fsdev) {
3533 error_report("duplicate fsdev id: %s",
3534 qemu_opt_get(opts, "mount_tag"));
3535 exit(1);
3536 }
3537
3538 writeout = qemu_opt_get(opts, "writeout");
3539 if (writeout) {
3540 #ifdef CONFIG_SYNC_FILE_RANGE
3541 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3542 #else
3543 error_report("writeout=immediate not supported "
3544 "on this platform");
3545 exit(1);
3546 #endif
3547 }
3548 qemu_opt_set(fsdev, "fsdriver",
3549 qemu_opt_get(opts, "fsdriver"), &error_abort);
3550 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3551 &error_abort);
3552 qemu_opt_set(fsdev, "security_model",
3553 qemu_opt_get(opts, "security_model"),
3554 &error_abort);
3555 socket = qemu_opt_get(opts, "socket");
3556 if (socket) {
3557 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3558 }
3559 sock_fd = qemu_opt_get(opts, "sock_fd");
3560 if (sock_fd) {
3561 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3562 }
3563
3564 qemu_opt_set_bool(fsdev, "readonly",
3565 qemu_opt_get_bool(opts, "readonly", 0),
3566 &error_abort);
3567 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3568 &error_abort);
3569 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3570 qemu_opt_set(device, "fsdev",
3571 qemu_opt_get(opts, "mount_tag"), &error_abort);
3572 qemu_opt_set(device, "mount_tag",
3573 qemu_opt_get(opts, "mount_tag"), &error_abort);
3574 break;
3575 }
3576 case QEMU_OPTION_virtfs_synth: {
3577 QemuOpts *fsdev;
3578 QemuOpts *device;
3579
3580 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3581 1, NULL);
3582 if (!fsdev) {
3583 error_report("duplicate option: %s", "virtfs_synth");
3584 exit(1);
3585 }
3586 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3587
3588 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3589 &error_abort);
3590 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3591 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3592 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3593 break;
3594 }
3595 case QEMU_OPTION_serial:
3596 add_device_config(DEV_SERIAL, optarg);
3597 default_serial = 0;
3598 if (strncmp(optarg, "mon:", 4) == 0) {
3599 default_monitor = 0;
3600 }
3601 break;
3602 case QEMU_OPTION_watchdog:
3603 if (watchdog) {
3604 error_report("only one watchdog option may be given");
3605 return 1;
3606 }
3607 watchdog = optarg;
3608 break;
3609 case QEMU_OPTION_watchdog_action:
3610 if (select_watchdog_action(optarg) == -1) {
3611 error_report("unknown -watchdog-action parameter");
3612 exit(1);
3613 }
3614 break;
3615 case QEMU_OPTION_virtiocon:
3616 add_device_config(DEV_VIRTCON, optarg);
3617 default_virtcon = 0;
3618 if (strncmp(optarg, "mon:", 4) == 0) {
3619 default_monitor = 0;
3620 }
3621 break;
3622 case QEMU_OPTION_parallel:
3623 add_device_config(DEV_PARALLEL, optarg);
3624 default_parallel = 0;
3625 if (strncmp(optarg, "mon:", 4) == 0) {
3626 default_monitor = 0;
3627 }
3628 break;
3629 case QEMU_OPTION_debugcon:
3630 add_device_config(DEV_DEBUGCON, optarg);
3631 break;
3632 case QEMU_OPTION_loadvm:
3633 loadvm = optarg;
3634 break;
3635 case QEMU_OPTION_full_screen:
3636 full_screen = 1;
3637 break;
3638 case QEMU_OPTION_no_frame:
3639 no_frame = 1;
3640 break;
3641 case QEMU_OPTION_alt_grab:
3642 alt_grab = 1;
3643 break;
3644 case QEMU_OPTION_ctrl_grab:
3645 ctrl_grab = 1;
3646 break;
3647 case QEMU_OPTION_no_quit:
3648 no_quit = 1;
3649 break;
3650 case QEMU_OPTION_sdl:
3651 #ifdef CONFIG_SDL
3652 display_type = DT_SDL;
3653 break;
3654 #else
3655 error_report("SDL support is disabled");
3656 exit(1);
3657 #endif
3658 case QEMU_OPTION_pidfile:
3659 pid_file = optarg;
3660 break;
3661 case QEMU_OPTION_win2k_hack:
3662 win2k_install_hack = 1;
3663 break;
3664 case QEMU_OPTION_rtc_td_hack: {
3665 static GlobalProperty slew_lost_ticks[] = {
3666 {
3667 .driver = "mc146818rtc",
3668 .property = "lost_tick_policy",
3669 .value = "slew",
3670 },
3671 { /* end of list */ }
3672 };
3673
3674 qdev_prop_register_global_list(slew_lost_ticks);
3675 break;
3676 }
3677 case QEMU_OPTION_acpitable:
3678 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3679 optarg, true);
3680 if (!opts) {
3681 exit(1);
3682 }
3683 do_acpitable_option(opts);
3684 break;
3685 case QEMU_OPTION_smbios:
3686 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3687 optarg, false);
3688 if (!opts) {
3689 exit(1);
3690 }
3691 do_smbios_option(opts);
3692 break;
3693 case QEMU_OPTION_fwcfg:
3694 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3695 optarg, true);
3696 if (opts == NULL) {
3697 exit(1);
3698 }
3699 break;
3700 case QEMU_OPTION_enable_kvm:
3701 olist = qemu_find_opts("machine");
3702 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3703 break;
3704 case QEMU_OPTION_M:
3705 case QEMU_OPTION_machine:
3706 olist = qemu_find_opts("machine");
3707 opts = qemu_opts_parse_noisily(olist, optarg, true);
3708 if (!opts) {
3709 exit(1);
3710 }
3711 break;
3712 case QEMU_OPTION_no_kvm:
3713 olist = qemu_find_opts("machine");
3714 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3715 break;
3716 case QEMU_OPTION_no_kvm_pit: {
3717 error_report("warning: ignoring deprecated option");
3718 break;
3719 }
3720 case QEMU_OPTION_no_kvm_pit_reinjection: {
3721 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3722 {
3723 .driver = "kvm-pit",
3724 .property = "lost_tick_policy",
3725 .value = "discard",
3726 },
3727 { /* end of list */ }
3728 };
3729
3730 error_report("warning: deprecated, replaced by "
3731 "-global kvm-pit.lost_tick_policy=discard");
3732 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3733 break;
3734 }
3735 case QEMU_OPTION_usb:
3736 olist = qemu_find_opts("machine");
3737 qemu_opts_parse_noisily(olist, "usb=on", false);
3738 break;
3739 case QEMU_OPTION_usbdevice:
3740 olist = qemu_find_opts("machine");
3741 qemu_opts_parse_noisily(olist, "usb=on", false);
3742 add_device_config(DEV_USB, optarg);
3743 break;
3744 case QEMU_OPTION_device:
3745 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3746 optarg, true)) {
3747 exit(1);
3748 }
3749 break;
3750 case QEMU_OPTION_smp:
3751 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3752 optarg, true)) {
3753 exit(1);
3754 }
3755 break;
3756 case QEMU_OPTION_vnc:
3757 {
3758 #ifdef CONFIG_VNC
3759 Error *local_err = NULL;
3760
3761 if (vnc_parse(optarg, &local_err) == NULL) {
3762 error_report_err(local_err);
3763 exit(1);
3764 }
3765 #else
3766 error_report("VNC support is disabled");
3767 exit(1);
3768 #endif
3769 break;
3770 }
3771 case QEMU_OPTION_input_linux:
3772 if (!qemu_opts_parse_noisily(qemu_find_opts("input-linux"),
3773 optarg, true)) {
3774 exit(1);
3775 }
3776 break;
3777 case QEMU_OPTION_no_acpi:
3778 acpi_enabled = 0;
3779 break;
3780 case QEMU_OPTION_no_hpet:
3781 no_hpet = 1;
3782 break;
3783 case QEMU_OPTION_balloon:
3784 if (balloon_parse(optarg) < 0) {
3785 error_report("unknown -balloon argument %s", optarg);
3786 exit(1);
3787 }
3788 break;
3789 case QEMU_OPTION_no_reboot:
3790 no_reboot = 1;
3791 break;
3792 case QEMU_OPTION_no_shutdown:
3793 no_shutdown = 1;
3794 break;
3795 case QEMU_OPTION_show_cursor:
3796 cursor_hide = 0;
3797 break;
3798 case QEMU_OPTION_uuid:
3799 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3800 error_report("failed to parse UUID string: wrong format");
3801 exit(1);
3802 }
3803 qemu_uuid_set = true;
3804 break;
3805 case QEMU_OPTION_option_rom:
3806 if (nb_option_roms >= MAX_OPTION_ROMS) {
3807 error_report("too many option ROMs");
3808 exit(1);
3809 }
3810 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3811 optarg, true);
3812 if (!opts) {
3813 exit(1);
3814 }
3815 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3816 option_rom[nb_option_roms].bootindex =
3817 qemu_opt_get_number(opts, "bootindex", -1);
3818 if (!option_rom[nb_option_roms].name) {
3819 error_report("Option ROM file is not specified");
3820 exit(1);
3821 }
3822 nb_option_roms++;
3823 break;
3824 case QEMU_OPTION_semihosting:
3825 semihosting.enabled = true;
3826 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3827 break;
3828 case QEMU_OPTION_semihosting_config:
3829 semihosting.enabled = true;
3830 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3831 optarg, false);
3832 if (opts != NULL) {
3833 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3834 true);
3835 const char *target = qemu_opt_get(opts, "target");
3836 if (target != NULL) {
3837 if (strcmp("native", target) == 0) {
3838 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3839 } else if (strcmp("gdb", target) == 0) {
3840 semihosting.target = SEMIHOSTING_TARGET_GDB;
3841 } else if (strcmp("auto", target) == 0) {
3842 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3843 } else {
3844 error_report("unsupported semihosting-config %s",
3845 optarg);
3846 exit(1);
3847 }
3848 } else {
3849 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3850 }
3851 /* Set semihosting argument count and vector */
3852 qemu_opt_foreach(opts, add_semihosting_arg,
3853 &semihosting, NULL);
3854 } else {
3855 error_report("unsupported semihosting-config %s", optarg);
3856 exit(1);
3857 }
3858 break;
3859 case QEMU_OPTION_tdf:
3860 error_report("warning: ignoring deprecated option");
3861 break;
3862 case QEMU_OPTION_name:
3863 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3864 optarg, true);
3865 if (!opts) {
3866 exit(1);
3867 }
3868 break;
3869 case QEMU_OPTION_prom_env:
3870 if (nb_prom_envs >= MAX_PROM_ENVS) {
3871 error_report("too many prom variables");
3872 exit(1);
3873 }
3874 prom_envs[nb_prom_envs] = optarg;
3875 nb_prom_envs++;
3876 break;
3877 case QEMU_OPTION_old_param:
3878 old_param = 1;
3879 break;
3880 case QEMU_OPTION_clock:
3881 /* Clock options no longer exist. Keep this option for
3882 * backward compatibility.
3883 */
3884 break;
3885 case QEMU_OPTION_startdate:
3886 configure_rtc_date_offset(optarg, 1);
3887 break;
3888 case QEMU_OPTION_rtc:
3889 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3890 false);
3891 if (!opts) {
3892 exit(1);
3893 }
3894 configure_rtc(opts);
3895 break;
3896 case QEMU_OPTION_tb_size:
3897 tcg_tb_size = strtol(optarg, NULL, 0);
3898 if (tcg_tb_size < 0) {
3899 tcg_tb_size = 0;
3900 }
3901 break;
3902 case QEMU_OPTION_icount:
3903 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3904 optarg, true);
3905 if (!icount_opts) {
3906 exit(1);
3907 }
3908 break;
3909 case QEMU_OPTION_incoming:
3910 if (!incoming) {
3911 runstate_set(RUN_STATE_INMIGRATE);
3912 }
3913 incoming = optarg;
3914 break;
3915 case QEMU_OPTION_nodefaults:
3916 has_defaults = 0;
3917 break;
3918 case QEMU_OPTION_xen_domid:
3919 if (!(xen_available())) {
3920 printf("Option %s not supported for this target\n", popt->name);
3921 exit(1);
3922 }
3923 xen_domid = atoi(optarg);
3924 break;
3925 case QEMU_OPTION_xen_create:
3926 if (!(xen_available())) {
3927 printf("Option %s not supported for this target\n", popt->name);
3928 exit(1);
3929 }
3930 xen_mode = XEN_CREATE;
3931 break;
3932 case QEMU_OPTION_xen_attach:
3933 if (!(xen_available())) {
3934 printf("Option %s not supported for this target\n", popt->name);
3935 exit(1);
3936 }
3937 xen_mode = XEN_ATTACH;
3938 break;
3939 case QEMU_OPTION_trace:
3940 {
3941 opts = qemu_opts_parse_noisily(qemu_find_opts("trace"),
3942 optarg, true);
3943 if (!opts) {
3944 exit(1);
3945 }
3946 if (qemu_opt_get(opts, "enable")) {
3947 trace_enable_events(qemu_opt_get(opts, "enable"));
3948 }
3949 trace_init_events(qemu_opt_get(opts, "events"));
3950 if (trace_file) {
3951 g_free(trace_file);
3952 }
3953 trace_file = g_strdup(qemu_opt_get(opts, "file"));
3954 qemu_opts_del(opts);
3955 break;
3956 }
3957 case QEMU_OPTION_trace_unassigned:
3958 trace_unassigned = true;
3959 break;
3960 case QEMU_OPTION_readconfig:
3961 {
3962 int ret = qemu_read_config_file(optarg);
3963 if (ret < 0) {
3964 error_report("read config %s: %s", optarg,
3965 strerror(-ret));
3966 exit(1);
3967 }
3968 break;
3969 }
3970 case QEMU_OPTION_spice:
3971 olist = qemu_find_opts("spice");
3972 if (!olist) {
3973 error_report("spice support is disabled");
3974 exit(1);
3975 }
3976 opts = qemu_opts_parse_noisily(olist, optarg, false);
3977 if (!opts) {
3978 exit(1);
3979 }
3980 display_remote++;
3981 break;
3982 case QEMU_OPTION_writeconfig:
3983 {
3984 FILE *fp;
3985 if (strcmp(optarg, "-") == 0) {
3986 fp = stdout;
3987 } else {
3988 fp = fopen(optarg, "w");
3989 if (fp == NULL) {
3990 error_report("open %s: %s", optarg,
3991 strerror(errno));
3992 exit(1);
3993 }
3994 }
3995 qemu_config_write(fp);
3996 if (fp != stdout) {
3997 fclose(fp);
3998 }
3999 break;
4000 }
4001 case QEMU_OPTION_qtest:
4002 qtest_chrdev = optarg;
4003 break;
4004 case QEMU_OPTION_qtest_log:
4005 qtest_log = optarg;
4006 break;
4007 case QEMU_OPTION_sandbox:
4008 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
4009 optarg, true);
4010 if (!opts) {
4011 exit(1);
4012 }
4013 break;
4014 case QEMU_OPTION_add_fd:
4015 #ifndef _WIN32
4016 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
4017 optarg, false);
4018 if (!opts) {
4019 exit(1);
4020 }
4021 #else
4022 error_report("File descriptor passing is disabled on this "
4023 "platform");
4024 exit(1);
4025 #endif
4026 break;
4027 case QEMU_OPTION_object:
4028 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
4029 optarg, true);
4030 if (!opts) {
4031 exit(1);
4032 }
4033 break;
4034 case QEMU_OPTION_realtime:
4035 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
4036 optarg, false);
4037 if (!opts) {
4038 exit(1);
4039 }
4040 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
4041 break;
4042 case QEMU_OPTION_msg:
4043 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
4044 false);
4045 if (!opts) {
4046 exit(1);
4047 }
4048 configure_msg(opts);
4049 break;
4050 case QEMU_OPTION_dump_vmstate:
4051 if (vmstate_dump_file) {
4052 error_report("only one '-dump-vmstate' "
4053 "option may be given");
4054 exit(1);
4055 }
4056 vmstate_dump_file = fopen(optarg, "w");
4057 if (vmstate_dump_file == NULL) {
4058 error_report("open %s: %s", optarg, strerror(errno));
4059 exit(1);
4060 }
4061 break;
4062 default:
4063 os_parse_cmd_args(popt->index, optarg);
4064 }
4065 }
4066 }
4067 /*
4068 * Clear error location left behind by the loop.
4069 * Best done right after the loop. Do not insert code here!
4070 */
4071 loc_set_none();
4072
4073 replay_configure(icount_opts);
4074
4075 machine_class = select_machine();
4076
4077 set_memory_options(&ram_slots, &maxram_size, machine_class);
4078
4079 os_daemonize();
4080
4081 if (qemu_init_main_loop(&main_loop_err)) {
4082 error_report_err(main_loop_err);
4083 exit(1);
4084 }
4085
4086 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4087 parse_sandbox, NULL, NULL)) {
4088 exit(1);
4089 }
4090
4091 if (qemu_opts_foreach(qemu_find_opts("name"),
4092 parse_name, NULL, NULL)) {
4093 exit(1);
4094 }
4095
4096 #ifndef _WIN32
4097 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4098 parse_add_fd, NULL, NULL)) {
4099 exit(1);
4100 }
4101
4102 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4103 cleanup_add_fd, NULL, NULL)) {
4104 exit(1);
4105 }
4106 #endif
4107
4108 current_machine = MACHINE(object_new(object_class_get_name(
4109 OBJECT_CLASS(machine_class))));
4110 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4111 exit(0);
4112 }
4113 object_property_add_child(object_get_root(), "machine",
4114 OBJECT(current_machine), &error_abort);
4115 cpu_exec_init_all();
4116
4117 if (machine_class->hw_version) {
4118 qemu_set_hw_version(machine_class->hw_version);
4119 }
4120
4121 /* Init CPU def lists, based on config
4122 * - Must be called after all the qemu_read_config_file() calls
4123 * - Must be called before list_cpus()
4124 * - Must be called before machine->init()
4125 */
4126 cpudef_init();
4127
4128 if (cpu_model && is_help_option(cpu_model)) {
4129 list_cpus(stdout, &fprintf, cpu_model);
4130 exit(0);
4131 }
4132
4133 if (!trace_init_backends()) {
4134 exit(1);
4135 }
4136 trace_init_file(trace_file);
4137
4138 /* Open the logfile at this point and set the log mask if necessary.
4139 */
4140 if (log_file) {
4141 qemu_set_log_filename(log_file);
4142 }
4143
4144 if (log_mask) {
4145 int mask;
4146 mask = qemu_str_to_log_mask(log_mask);
4147 if (!mask) {
4148 qemu_print_log_usage(stdout);
4149 exit(1);
4150 }
4151 qemu_set_log(mask);
4152 } else {
4153 qemu_set_log(0);
4154 }
4155
4156 /* If no data_dir is specified then try to find it relative to the
4157 executable path. */
4158 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4159 data_dir[data_dir_idx] = os_find_datadir();
4160 if (data_dir[data_dir_idx] != NULL) {
4161 data_dir_idx++;
4162 }
4163 }
4164 /* If all else fails use the install path specified when building. */
4165 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4166 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4167 }
4168
4169 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4170
4171 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4172 if (max_cpus > machine_class->max_cpus) {
4173 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4174 "supported by machine '%s' (%d)", max_cpus,
4175 machine_class->name, machine_class->max_cpus);
4176 exit(1);
4177 }
4178
4179 /*
4180 * Get the default machine options from the machine if it is not already
4181 * specified either by the configuration file or by the command line.
4182 */
4183 if (machine_class->default_machine_opts) {
4184 qemu_opts_set_defaults(qemu_find_opts("machine"),
4185 machine_class->default_machine_opts, 0);
4186 }
4187
4188 qemu_opts_foreach(qemu_find_opts("device"),
4189 default_driver_check, NULL, NULL);
4190 qemu_opts_foreach(qemu_find_opts("global"),
4191 default_driver_check, NULL, NULL);
4192
4193 if (!vga_model && !default_vga) {
4194 vga_interface_type = VGA_DEVICE;
4195 }
4196 if (!has_defaults || machine_class->no_serial) {
4197 default_serial = 0;
4198 }
4199 if (!has_defaults || machine_class->no_parallel) {
4200 default_parallel = 0;
4201 }
4202 if (!has_defaults || !machine_class->use_virtcon) {
4203 default_virtcon = 0;
4204 }
4205 if (!has_defaults || !machine_class->use_sclp) {
4206 default_sclp = 0;
4207 }
4208 if (!has_defaults || machine_class->no_floppy) {
4209 default_floppy = 0;
4210 }
4211 if (!has_defaults || machine_class->no_cdrom) {
4212 default_cdrom = 0;
4213 }
4214 if (!has_defaults || machine_class->no_sdcard) {
4215 default_sdcard = 0;
4216 }
4217 if (!has_defaults) {
4218 default_monitor = 0;
4219 default_net = 0;
4220 default_vga = 0;
4221 }
4222
4223 if (is_daemonized()) {
4224 /* According to documentation and historically, -nographic redirects
4225 * serial port, parallel port and monitor to stdio, which does not work
4226 * with -daemonize. We can redirect these to null instead, but since
4227 * -nographic is legacy, let's just error out.
4228 * We disallow -nographic only if all other ports are not redirected
4229 * explicitly, to not break existing legacy setups which uses
4230 * -nographic _and_ redirects all ports explicitly - this is valid
4231 * usage, -nographic is just a no-op in this case.
4232 */
4233 if (display_type == DT_NOGRAPHIC
4234 && (default_parallel || default_serial
4235 || default_monitor || default_virtcon)) {
4236 error_report("-nographic cannot be used with -daemonize");
4237 exit(1);
4238 }
4239 #ifdef CONFIG_CURSES
4240 if (display_type == DT_CURSES) {
4241 error_report("curses display cannot be used with -daemonize");
4242 exit(1);
4243 }
4244 #endif
4245 }
4246
4247 if (display_type == DT_NOGRAPHIC) {
4248 if (default_parallel)
4249 add_device_config(DEV_PARALLEL, "null");
4250 if (default_serial && default_monitor) {
4251 add_device_config(DEV_SERIAL, "mon:stdio");
4252 } else if (default_virtcon && default_monitor) {
4253 add_device_config(DEV_VIRTCON, "mon:stdio");
4254 } else if (default_sclp && default_monitor) {
4255 add_device_config(DEV_SCLP, "mon:stdio");
4256 } else {
4257 if (default_serial)
4258 add_device_config(DEV_SERIAL, "stdio");
4259 if (default_virtcon)
4260 add_device_config(DEV_VIRTCON, "stdio");
4261 if (default_sclp) {
4262 add_device_config(DEV_SCLP, "stdio");
4263 }
4264 if (default_monitor)
4265 monitor_parse("stdio", "readline", false);
4266 }
4267 } else {
4268 if (default_serial)
4269 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4270 if (default_parallel)
4271 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4272 if (default_monitor)
4273 monitor_parse("vc:80Cx24C", "readline", false);
4274 if (default_virtcon)
4275 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4276 if (default_sclp) {
4277 add_device_config(DEV_SCLP, "vc:80Cx24C");
4278 }
4279 }
4280
4281 #if defined(CONFIG_VNC)
4282 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4283 display_remote++;
4284 }
4285 #endif
4286 if (display_type == DT_DEFAULT && !display_remote) {
4287 #if defined(CONFIG_GTK)
4288 display_type = DT_GTK;
4289 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4290 display_type = DT_SDL;
4291 #elif defined(CONFIG_VNC)
4292 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4293 show_vnc_port = 1;
4294 #else
4295 display_type = DT_NONE;
4296 #endif
4297 }
4298
4299 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4300 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4301 "for SDL, ignoring option");
4302 }
4303 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4304 error_report("-no-quit is only valid for GTK and SDL, "
4305 "ignoring option");
4306 }
4307
4308 #if defined(CONFIG_GTK)
4309 if (display_type == DT_GTK) {
4310 early_gtk_display_init(request_opengl);
4311 }
4312 #endif
4313 #if defined(CONFIG_SDL)
4314 if (display_type == DT_SDL) {
4315 sdl_display_early_init(request_opengl);
4316 }
4317 #endif
4318 if (request_opengl == 1 && display_opengl == 0) {
4319 #if defined(CONFIG_OPENGL)
4320 error_report("OpenGL is not supported by the display");
4321 #else
4322 error_report("OpenGL support is disabled");
4323 #endif
4324 exit(1);
4325 }
4326
4327 page_size_init();
4328 socket_init();
4329
4330 if (qemu_opts_foreach(qemu_find_opts("object"),
4331 user_creatable_add_opts_foreach,
4332 object_create_initial, &err)) {
4333 error_report_err(err);
4334 exit(1);
4335 }
4336
4337 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4338 chardev_init_func, NULL, NULL)) {
4339 exit(1);
4340 }
4341
4342 #ifdef CONFIG_VIRTFS
4343 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4344 fsdev_init_func, NULL, NULL)) {
4345 exit(1);
4346 }
4347 #endif
4348
4349 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4350 error_report("could not acquire pid file: %s", strerror(errno));
4351 exit(1);
4352 }
4353
4354 if (qemu_opts_foreach(qemu_find_opts("device"),
4355 device_help_func, NULL, NULL)) {
4356 exit(0);
4357 }
4358
4359 machine_opts = qemu_get_machine_opts();
4360 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4361 NULL)) {
4362 object_unref(OBJECT(current_machine));
4363 exit(1);
4364 }
4365
4366 configure_accelerator(current_machine);
4367
4368 if (qtest_chrdev) {
4369 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4370 }
4371
4372 machine_opts = qemu_get_machine_opts();
4373 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4374 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4375 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4376 bios_name = qemu_opt_get(machine_opts, "firmware");
4377
4378 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4379 if (opts) {
4380 boot_order = qemu_opt_get(opts, "order");
4381 if (boot_order) {
4382 validate_bootdevices(boot_order, &error_fatal);
4383 }
4384
4385 boot_once = qemu_opt_get(opts, "once");
4386 if (boot_once) {
4387 validate_bootdevices(boot_once, &error_fatal);
4388 }
4389
4390 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4391 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4392 }
4393
4394 if (!boot_order) {
4395 boot_order = machine_class->default_boot_order;
4396 }
4397
4398 if (!kernel_cmdline) {
4399 kernel_cmdline = "";
4400 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4401 }
4402
4403 linux_boot = (kernel_filename != NULL);
4404
4405 if (!linux_boot && *kernel_cmdline != '\0') {
4406 error_report("-append only allowed with -kernel option");
4407 exit(1);
4408 }
4409
4410 if (!linux_boot && initrd_filename != NULL) {
4411 error_report("-initrd only allowed with -kernel option");
4412 exit(1);
4413 }
4414
4415 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4416 error_report("-dtb only allowed with -kernel option");
4417 exit(1);
4418 }
4419
4420 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4421 /* fall back to the -kernel/-append */
4422 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4423 }
4424
4425 os_set_line_buffering();
4426
4427 #ifdef CONFIG_SPICE
4428 /* spice needs the timers to be initialized by this point */
4429 qemu_spice_init();
4430 #endif
4431
4432 cpu_ticks_init();
4433 if (icount_opts) {
4434 if (kvm_enabled() || xen_enabled()) {
4435 error_report("-icount is not allowed with kvm or xen");
4436 exit(1);
4437 }
4438 configure_icount(icount_opts, &error_abort);
4439 qemu_opts_del(icount_opts);
4440 }
4441
4442 /* clean up network at qemu process termination */
4443 atexit(&net_cleanup);
4444
4445 if (net_init_clients() < 0) {
4446 exit(1);
4447 }
4448
4449 if (qemu_opts_foreach(qemu_find_opts("object"),
4450 user_creatable_add_opts_foreach,
4451 object_create_delayed, &err)) {
4452 error_report_err(err);
4453 exit(1);
4454 }
4455
4456 #ifdef CONFIG_TPM
4457 if (tpm_init() < 0) {
4458 exit(1);
4459 }
4460 #endif
4461
4462 /* init the bluetooth world */
4463 if (foreach_device_config(DEV_BT, bt_parse))
4464 exit(1);
4465
4466 if (!xen_enabled()) {
4467 /* On 32-bit hosts, QEMU is limited by virtual address space */
4468 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4469 error_report("at most 2047 MB RAM can be simulated");
4470 exit(1);
4471 }
4472 }
4473
4474 blk_mig_init();
4475 ram_mig_init();
4476
4477 /* If the currently selected machine wishes to override the units-per-bus
4478 * property of its default HBA interface type, do so now. */
4479 if (machine_class->units_per_default_bus) {
4480 override_max_devs(machine_class->block_default_type,
4481 machine_class->units_per_default_bus);
4482 }
4483
4484 /* open the virtual block devices */
4485 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4486 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4487 NULL, NULL);
4488 }
4489 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4490 &machine_class->block_default_type, NULL)) {
4491 exit(1);
4492 }
4493
4494 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4495 CDROM_OPTS);
4496 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4497 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4498
4499 parse_numa_opts(machine_class);
4500
4501 if (qemu_opts_foreach(qemu_find_opts("mon"),
4502 mon_init_func, NULL, NULL)) {
4503 exit(1);
4504 }
4505
4506 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4507 exit(1);
4508 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4509 exit(1);
4510 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4511 exit(1);
4512 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4513 exit(1);
4514 }
4515 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4516 exit(1);
4517
4518 /* If no default VGA is requested, the default is "none". */
4519 if (default_vga) {
4520 if (machine_class->default_display) {
4521 vga_model = machine_class->default_display;
4522 } else if (cirrus_vga_available()) {
4523 vga_model = "cirrus";
4524 } else if (vga_available()) {
4525 vga_model = "std";
4526 }
4527 }
4528 if (vga_model) {
4529 select_vgahw(vga_model);
4530 }
4531
4532 if (watchdog) {
4533 i = select_watchdog(watchdog);
4534 if (i > 0)
4535 exit (i == 1 ? 1 : 0);
4536 }
4537
4538 if (machine_class->compat_props) {
4539 qdev_prop_register_global_list(machine_class->compat_props);
4540 }
4541 qemu_add_globals();
4542
4543 /* This checkpoint is required by replay to separate prior clock
4544 reading from the other reads, because timer polling functions query
4545 clock values from the log. */
4546 replay_checkpoint(CHECKPOINT_INIT);
4547 qdev_machine_init();
4548
4549 current_machine->ram_size = ram_size;
4550 current_machine->maxram_size = maxram_size;
4551 current_machine->ram_slots = ram_slots;
4552 current_machine->boot_order = boot_order;
4553 current_machine->cpu_model = cpu_model;
4554
4555 machine_class->init(current_machine);
4556
4557 realtime_init();
4558
4559 audio_init();
4560
4561 cpu_synchronize_all_post_init();
4562
4563 numa_post_machine_init();
4564
4565 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4566 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4567 exit(1);
4568 }
4569
4570 /* init USB devices */
4571 if (usb_enabled()) {
4572 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4573 exit(1);
4574 }
4575
4576 /* Check if IGD GFX passthrough. */
4577 igd_gfx_passthru();
4578
4579 /* init generic devices */
4580 if (qemu_opts_foreach(qemu_find_opts("device"),
4581 device_init_func, NULL, NULL)) {
4582 exit(1);
4583 }
4584
4585 /* Did we create any drives that we failed to create a device for? */
4586 drive_check_orphaned();
4587
4588 net_check_clients();
4589
4590 if (boot_once) {
4591 qemu_boot_set(boot_once, &error_fatal);
4592 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4593 }
4594
4595 ds = init_displaystate();
4596
4597 /* init local displays */
4598 switch (display_type) {
4599 case DT_NOGRAPHIC:
4600 (void)ds; /* avoid warning if no display is configured */
4601 break;
4602 #if defined(CONFIG_CURSES)
4603 case DT_CURSES:
4604 curses_display_init(ds, full_screen);
4605 break;
4606 #endif
4607 #if defined(CONFIG_SDL)
4608 case DT_SDL:
4609 sdl_display_init(ds, full_screen, no_frame);
4610 break;
4611 #elif defined(CONFIG_COCOA)
4612 case DT_SDL:
4613 cocoa_display_init(ds, full_screen);
4614 break;
4615 #endif
4616 #if defined(CONFIG_GTK)
4617 case DT_GTK:
4618 gtk_display_init(ds, full_screen, grab_on_hover);
4619 break;
4620 #endif
4621 default:
4622 break;
4623 }
4624
4625 /* must be after terminal init, SDL library changes signal handlers */
4626 os_setup_signal_handling();
4627
4628 #ifdef CONFIG_VNC
4629 /* init remote displays */
4630 qemu_opts_foreach(qemu_find_opts("vnc"),
4631 vnc_init_func, NULL, NULL);
4632 if (show_vnc_port) {
4633 char *ret = vnc_display_local_addr("default");
4634 printf("VNC server running on '%s'\n", ret);
4635 g_free(ret);
4636 }
4637 #endif
4638 #ifdef CONFIG_SPICE
4639 if (using_spice) {
4640 qemu_spice_display_init();
4641 }
4642 #endif
4643 #ifdef CONFIG_LINUX
4644 qemu_opts_foreach(qemu_find_opts("input-linux"),
4645 input_linux_init, NULL, &error_fatal);
4646 #endif
4647
4648 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4649 exit(1);
4650 }
4651
4652 qdev_machine_creation_done();
4653
4654 /* TODO: once all bus devices are qdevified, this should be done
4655 * when bus is created by qdev.c */
4656 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4657 qemu_run_machine_init_done_notifiers();
4658
4659 if (rom_check_and_register_reset() != 0) {
4660 error_report("rom check and register reset failed");
4661 exit(1);
4662 }
4663
4664 replay_start();
4665
4666 /* This checkpoint is required by replay to separate prior clock
4667 reading from the other reads, because timer polling functions query
4668 clock values from the log. */
4669 replay_checkpoint(CHECKPOINT_RESET);
4670 qemu_system_reset(VMRESET_SILENT);
4671 register_global_state();
4672 if (loadvm) {
4673 if (load_vmstate(loadvm) < 0) {
4674 autostart = 0;
4675 }
4676 }
4677
4678 qdev_prop_check_globals();
4679 if (vmstate_dump_file) {
4680 /* dump and exit */
4681 dump_vmstate_json_to_file(vmstate_dump_file);
4682 return 0;
4683 }
4684
4685 if (incoming) {
4686 Error *local_err = NULL;
4687 qemu_start_incoming_migration(incoming, &local_err);
4688 if (local_err) {
4689 error_reportf_err(local_err, "-incoming %s: ", incoming);
4690 exit(1);
4691 }
4692 } else if (autostart) {
4693 vm_start();
4694 }
4695
4696 os_setup_post();
4697
4698 main_loop();
4699 replay_disable_events();
4700
4701 bdrv_close_all();
4702 pause_all_vcpus();
4703 res_free();
4704 #ifdef CONFIG_TPM
4705 tpm_cleanup();
4706 #endif
4707
4708 return 0;
4709 }
AR7 emulation for QEMU