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hw/arm/xilinx_zynq: fix the capabilities register to match the datasheet
[qemu/ar7.git] / vl.c
blob21878496ec5fc20d5e3313757af365139e9d9386
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
25 #include "qemu/osdep.h"
26 #include "qapi/error.h"
27 #include "qemu-version.h"
28 #include "qemu/cutils.h"
29 #include "qemu/help_option.h"
30 #include "qemu/uuid.h"
31
32 #ifdef CONFIG_SECCOMP
33 #include <sys/prctl.h>
34 #include "sysemu/seccomp.h"
35 #endif
36
37 #ifdef CONFIG_SDL
38 #if defined(__APPLE__) || defined(main)
39 #include <SDL.h>
40 int qemu_main(int argc, char **argv, char **envp);
41 int main(int argc, char **argv)
42 {
43 return qemu_main(argc, argv, NULL);
44 }
45 #undef main
46 #define main qemu_main
47 #endif
48 #endif /* CONFIG_SDL */
49
50 #ifdef CONFIG_COCOA
51 #undef main
52 #define main qemu_main
53 #endif /* CONFIG_COCOA */
54
55
56 #include "qemu/error-report.h"
57 #include "qemu/sockets.h"
58 #include "hw/hw.h"
59 #include "hw/boards.h"
60 #include "sysemu/accel.h"
61 #include "hw/usb.h"
62 #include "hw/isa/isa.h"
63 #include "hw/scsi/scsi.h"
64 #include "hw/display/vga.h"
65 #include "hw/bt.h"
66 #include "sysemu/watchdog.h"
67 #include "hw/smbios/smbios.h"
68 #include "hw/acpi/acpi.h"
69 #include "hw/xen/xen.h"
70 #include "hw/qdev.h"
71 #include "hw/loader.h"
72 #include "monitor/qdev.h"
73 #include "sysemu/bt.h"
74 #include "net/net.h"
75 #include "net/slirp.h"
76 #include "monitor/monitor.h"
77 #include "ui/console.h"
78 #include "ui/input.h"
79 #include "sysemu/sysemu.h"
80 #include "sysemu/numa.h"
81 #include "exec/gdbstub.h"
82 #include "qemu/timer.h"
83 #include "chardev/char.h"
84 #include "qemu/bitmap.h"
85 #include "qemu/log.h"
86 #include "sysemu/blockdev.h"
87 #include "hw/block/block.h"
88 #include "migration/misc.h"
89 #include "migration/snapshot.h"
90 #include "migration/global_state.h"
91 #include "sysemu/tpm.h"
92 #include "sysemu/dma.h"
93 #include "hw/audio/soundhw.h"
94 #include "audio/audio.h"
95 #include "sysemu/cpus.h"
96 #include "migration/colo.h"
97 #include "sysemu/kvm.h"
98 #include "sysemu/hax.h"
99 #include "qapi/qobject-input-visitor.h"
100 #include "qapi-visit.h"
101 #include "qemu/option.h"
102 #include "qemu/config-file.h"
103 #include "qemu-options.h"
104 #include "qmp-commands.h"
105 #include "qemu/main-loop.h"
106 #ifdef CONFIG_VIRTFS
107 #include "fsdev/qemu-fsdev.h"
108 #endif
109 #include "sysemu/qtest.h"
110
111 #include "disas/disas.h"
112
113
114 #include "slirp/libslirp.h"
115
116 #include "trace-root.h"
117 #include "trace/control.h"
118 #include "qemu/queue.h"
119 #include "sysemu/arch_init.h"
120
121 #include "ui/qemu-spice.h"
122 #include "qapi/string-input-visitor.h"
123 #include "qapi/opts-visitor.h"
124 #include "qom/object_interfaces.h"
125 #include "qapi-event.h"
126 #include "exec/semihost.h"
127 #include "crypto/init.h"
128 #include "sysemu/replay.h"
129 #include "qapi/qmp/qerror.h"
130 #include "sysemu/iothread.h"
131
132 #define MAX_VIRTIO_CONSOLES 1
133 #define MAX_SCLP_CONSOLES 1
134
135 static const char *data_dir[16];
136 static int data_dir_idx;
137 const char *bios_name = NULL;
138 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
139 int request_opengl = -1;
140 int display_opengl;
141 const char* keyboard_layout = NULL;
142 ram_addr_t ram_size;
143 const char *mem_path = NULL;
144 int mem_prealloc = 0; /* force preallocation of physical target memory */
145 bool enable_mlock = false;
146 int nb_nics;
147 NICInfo nd_table[MAX_NICS];
148 int autostart;
149 static int rtc_utc = 1;
150 static int rtc_date_offset = -1; /* -1 means no change */
151 QEMUClockType rtc_clock;
152 int vga_interface_type = VGA_NONE;
153 static int full_screen = 0;
154 int no_frame;
155 int no_quit = 0;
156 static bool grab_on_hover;
157 Chardev *serial_hds[MAX_SERIAL_PORTS];
158 Chardev *parallel_hds[MAX_PARALLEL_PORTS];
159 Chardev *virtcon_hds[MAX_VIRTIO_CONSOLES];
160 Chardev *sclp_hds[MAX_SCLP_CONSOLES];
161 int win2k_install_hack = 0;
162 int singlestep = 0;
163 int smp_cpus;
164 unsigned int max_cpus;
165 int smp_cores = 1;
166 int smp_threads = 1;
167 int acpi_enabled = 1;
168 int no_hpet = 0;
169 int fd_bootchk = 1;
170 static int no_reboot;
171 int no_shutdown = 0;
172 int cursor_hide = 1;
173 int graphic_rotate = 0;
174 const char *watchdog;
175 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
176 int nb_option_roms;
177 int old_param = 0;
178 const char *qemu_name;
179 int alt_grab = 0;
180 int ctrl_grab = 0;
181 unsigned int nb_prom_envs = 0;
182 const char *prom_envs[MAX_PROM_ENVS];
183 int boot_menu;
184 bool boot_strict;
185 uint8_t *boot_splash_filedata;
186 size_t boot_splash_filedata_size;
187 uint8_t qemu_extra_params_fw[2];
188
189 int icount_align_option;
190
191 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
192 * little-endian "wire format" described in the SMBIOS 2.6 specification.
193 */
194 QemuUUID qemu_uuid;
195 bool qemu_uuid_set;
196
197 static NotifierList exit_notifiers =
198 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
199
200 static NotifierList machine_init_done_notifiers =
201 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
202
203 bool xen_allowed;
204 uint32_t xen_domid;
205 enum xen_mode xen_mode = XEN_EMULATE;
206 bool xen_domid_restrict;
207
208 static int has_defaults = 1;
209 static int default_serial = 1;
210 static int default_parallel = 1;
211 static int default_virtcon = 1;
212 static int default_sclp = 1;
213 static int default_monitor = 1;
214 static int default_floppy = 1;
215 static int default_cdrom = 1;
216 static int default_sdcard = 1;
217 static int default_vga = 1;
218 static int default_net = 1;
219
220 static struct {
221 const char *driver;
222 int *flag;
223 } default_list[] = {
224 { .driver = "isa-serial", .flag = &default_serial },
225 { .driver = "isa-parallel", .flag = &default_parallel },
226 { .driver = "isa-fdc", .flag = &default_floppy },
227 { .driver = "floppy", .flag = &default_floppy },
228 { .driver = "ide-cd", .flag = &default_cdrom },
229 { .driver = "ide-hd", .flag = &default_cdrom },
230 { .driver = "ide-drive", .flag = &default_cdrom },
231 { .driver = "scsi-cd", .flag = &default_cdrom },
232 { .driver = "scsi-hd", .flag = &default_cdrom },
233 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
234 { .driver = "virtio-serial", .flag = &default_virtcon },
235 { .driver = "VGA", .flag = &default_vga },
236 { .driver = "isa-vga", .flag = &default_vga },
237 { .driver = "cirrus-vga", .flag = &default_vga },
238 { .driver = "isa-cirrus-vga", .flag = &default_vga },
239 { .driver = "vmware-svga", .flag = &default_vga },
240 { .driver = "qxl-vga", .flag = &default_vga },
241 { .driver = "virtio-vga", .flag = &default_vga },
242 };
243
244 static QemuOptsList qemu_rtc_opts = {
245 .name = "rtc",
246 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
247 .desc = {
248 {
249 .name = "base",
250 .type = QEMU_OPT_STRING,
251 },{
252 .name = "clock",
253 .type = QEMU_OPT_STRING,
254 },{
255 .name = "driftfix",
256 .type = QEMU_OPT_STRING,
257 },
258 { /* end of list */ }
259 },
260 };
261
262 static QemuOptsList qemu_sandbox_opts = {
263 .name = "sandbox",
264 .implied_opt_name = "enable",
265 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
266 .desc = {
267 {
268 .name = "enable",
269 .type = QEMU_OPT_BOOL,
270 },
271 {
272 .name = "obsolete",
273 .type = QEMU_OPT_STRING,
274 },
275 {
276 .name = "elevateprivileges",
277 .type = QEMU_OPT_STRING,
278 },
279 {
280 .name = "spawn",
281 .type = QEMU_OPT_STRING,
282 },
283 {
284 .name = "resourcecontrol",
285 .type = QEMU_OPT_STRING,
286 },
287 { /* end of list */ }
288 },
289 };
290
291 static QemuOptsList qemu_option_rom_opts = {
292 .name = "option-rom",
293 .implied_opt_name = "romfile",
294 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
295 .desc = {
296 {
297 .name = "bootindex",
298 .type = QEMU_OPT_NUMBER,
299 }, {
300 .name = "romfile",
301 .type = QEMU_OPT_STRING,
302 },
303 { /* end of list */ }
304 },
305 };
306
307 static QemuOptsList qemu_machine_opts = {
308 .name = "machine",
309 .implied_opt_name = "type",
310 .merge_lists = true,
311 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
312 .desc = {
313 /*
314 * no elements => accept any
315 * sanity checking will happen later
316 * when setting machine properties
317 */
318 { }
319 },
320 };
321
322 static QemuOptsList qemu_accel_opts = {
323 .name = "accel",
324 .implied_opt_name = "accel",
325 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
326 .merge_lists = true,
327 .desc = {
328 {
329 .name = "accel",
330 .type = QEMU_OPT_STRING,
331 .help = "Select the type of accelerator",
332 },
333 {
334 .name = "thread",
335 .type = QEMU_OPT_STRING,
336 .help = "Enable/disable multi-threaded TCG",
337 },
338 { /* end of list */ }
339 },
340 };
341
342 static QemuOptsList qemu_boot_opts = {
343 .name = "boot-opts",
344 .implied_opt_name = "order",
345 .merge_lists = true,
346 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
347 .desc = {
348 {
349 .name = "order",
350 .type = QEMU_OPT_STRING,
351 }, {
352 .name = "once",
353 .type = QEMU_OPT_STRING,
354 }, {
355 .name = "menu",
356 .type = QEMU_OPT_BOOL,
357 }, {
358 .name = "splash",
359 .type = QEMU_OPT_STRING,
360 }, {
361 .name = "splash-time",
362 .type = QEMU_OPT_STRING,
363 }, {
364 .name = "reboot-timeout",
365 .type = QEMU_OPT_STRING,
366 }, {
367 .name = "strict",
368 .type = QEMU_OPT_BOOL,
369 },
370 { /*End of list */ }
371 },
372 };
373
374 static QemuOptsList qemu_add_fd_opts = {
375 .name = "add-fd",
376 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
377 .desc = {
378 {
379 .name = "fd",
380 .type = QEMU_OPT_NUMBER,
381 .help = "file descriptor of which a duplicate is added to fd set",
382 },{
383 .name = "set",
384 .type = QEMU_OPT_NUMBER,
385 .help = "ID of the fd set to add fd to",
386 },{
387 .name = "opaque",
388 .type = QEMU_OPT_STRING,
389 .help = "free-form string used to describe fd",
390 },
391 { /* end of list */ }
392 },
393 };
394
395 static QemuOptsList qemu_object_opts = {
396 .name = "object",
397 .implied_opt_name = "qom-type",
398 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
399 .desc = {
400 { }
401 },
402 };
403
404 static QemuOptsList qemu_tpmdev_opts = {
405 .name = "tpmdev",
406 .implied_opt_name = "type",
407 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
408 .desc = {
409 /* options are defined in the TPM backends */
410 { /* end of list */ }
411 },
412 };
413
414 static QemuOptsList qemu_realtime_opts = {
415 .name = "realtime",
416 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
417 .desc = {
418 {
419 .name = "mlock",
420 .type = QEMU_OPT_BOOL,
421 },
422 { /* end of list */ }
423 },
424 };
425
426 static QemuOptsList qemu_msg_opts = {
427 .name = "msg",
428 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
429 .desc = {
430 {
431 .name = "timestamp",
432 .type = QEMU_OPT_BOOL,
433 },
434 { /* end of list */ }
435 },
436 };
437
438 static QemuOptsList qemu_name_opts = {
439 .name = "name",
440 .implied_opt_name = "guest",
441 .merge_lists = true,
442 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
443 .desc = {
444 {
445 .name = "guest",
446 .type = QEMU_OPT_STRING,
447 .help = "Sets the name of the guest.\n"
448 "This name will be displayed in the SDL window caption.\n"
449 "The name will also be used for the VNC server",
450 }, {
451 .name = "process",
452 .type = QEMU_OPT_STRING,
453 .help = "Sets the name of the QEMU process, as shown in top etc",
454 }, {
455 .name = "debug-threads",
456 .type = QEMU_OPT_BOOL,
457 .help = "When enabled, name the individual threads; defaults off.\n"
458 "NOTE: The thread names are for debugging and not a\n"
459 "stable API.",
460 },
461 { /* End of list */ }
462 },
463 };
464
465 static QemuOptsList qemu_mem_opts = {
466 .name = "memory",
467 .implied_opt_name = "size",
468 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
469 .merge_lists = true,
470 .desc = {
471 {
472 .name = "size",
473 .type = QEMU_OPT_SIZE,
474 },
475 {
476 .name = "slots",
477 .type = QEMU_OPT_NUMBER,
478 },
479 {
480 .name = "maxmem",
481 .type = QEMU_OPT_SIZE,
482 },
483 { /* end of list */ }
484 },
485 };
486
487 static QemuOptsList qemu_icount_opts = {
488 .name = "icount",
489 .implied_opt_name = "shift",
490 .merge_lists = true,
491 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
492 .desc = {
493 {
494 .name = "shift",
495 .type = QEMU_OPT_STRING,
496 }, {
497 .name = "align",
498 .type = QEMU_OPT_BOOL,
499 }, {
500 .name = "sleep",
501 .type = QEMU_OPT_BOOL,
502 }, {
503 .name = "rr",
504 .type = QEMU_OPT_STRING,
505 }, {
506 .name = "rrfile",
507 .type = QEMU_OPT_STRING,
508 }, {
509 .name = "rrsnapshot",
510 .type = QEMU_OPT_STRING,
511 },
512 { /* end of list */ }
513 },
514 };
515
516 static QemuOptsList qemu_semihosting_config_opts = {
517 .name = "semihosting-config",
518 .implied_opt_name = "enable",
519 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
520 .desc = {
521 {
522 .name = "enable",
523 .type = QEMU_OPT_BOOL,
524 }, {
525 .name = "target",
526 .type = QEMU_OPT_STRING,
527 }, {
528 .name = "arg",
529 .type = QEMU_OPT_STRING,
530 },
531 { /* end of list */ }
532 },
533 };
534
535 static QemuOptsList qemu_fw_cfg_opts = {
536 .name = "fw_cfg",
537 .implied_opt_name = "name",
538 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
539 .desc = {
540 {
541 .name = "name",
542 .type = QEMU_OPT_STRING,
543 .help = "Sets the fw_cfg name of the blob to be inserted",
544 }, {
545 .name = "file",
546 .type = QEMU_OPT_STRING,
547 .help = "Sets the name of the file from which\n"
548 "the fw_cfg blob will be loaded",
549 }, {
550 .name = "string",
551 .type = QEMU_OPT_STRING,
552 .help = "Sets content of the blob to be inserted from a string",
553 },
554 { /* end of list */ }
555 },
556 };
557
558 /**
559 * Get machine options
560 *
561 * Returns: machine options (never null).
562 */
563 QemuOpts *qemu_get_machine_opts(void)
564 {
565 return qemu_find_opts_singleton("machine");
566 }
567
568 const char *qemu_get_vm_name(void)
569 {
570 return qemu_name;
571 }
572
573 static void res_free(void)
574 {
575 g_free(boot_splash_filedata);
576 boot_splash_filedata = NULL;
577 }
578
579 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
580 {
581 const char *driver = qemu_opt_get(opts, "driver");
582 int i;
583
584 if (!driver)
585 return 0;
586 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
587 if (strcmp(default_list[i].driver, driver) != 0)
588 continue;
589 *(default_list[i].flag) = 0;
590 }
591 return 0;
592 }
593
594 /***********************************************************/
595 /* QEMU state */
596
597 static RunState current_run_state = RUN_STATE_PRELAUNCH;
598
599 /* We use RUN_STATE__MAX but any invalid value will do */
600 static RunState vmstop_requested = RUN_STATE__MAX;
601 static QemuMutex vmstop_lock;
602
603 typedef struct {
604 RunState from;
605 RunState to;
606 } RunStateTransition;
607
608 static const RunStateTransition runstate_transitions_def[] = {
609 /* from -> to */
610 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
611 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
612 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
613
614 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
615 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
616 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
617 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
618 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
619 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
620 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
621 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
622 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
623 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
624 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
625 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
626
627 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
628 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
629 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
630
631 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
632 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
633 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
634
635 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
636 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
637 { RUN_STATE_PAUSED, RUN_STATE_POSTMIGRATE },
638 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
639 { RUN_STATE_PAUSED, RUN_STATE_COLO},
640
641 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
642 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
643 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
644
645 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
646 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
647 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
648
649 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
650 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PAUSED },
651 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
652 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
653 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
654
655 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
656 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
657
658 { RUN_STATE_COLO, RUN_STATE_RUNNING },
659
660 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
661 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
662 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
663 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
664 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
665 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
666 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
667 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
668 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
669 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
670 { RUN_STATE_RUNNING, RUN_STATE_COLO},
671
672 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
673
674 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
675 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
676 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
677
678 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
679 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
680 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
681 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
682 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
683 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
684
685 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
686 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
687 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
688 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
689
690 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
691 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
692 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
693
694 { RUN_STATE__MAX, RUN_STATE__MAX },
695 };
696
697 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
698
699 bool runstate_check(RunState state)
700 {
701 return current_run_state == state;
702 }
703
704 bool runstate_store(char *str, size_t size)
705 {
706 const char *state = RunState_str(current_run_state);
707 size_t len = strlen(state) + 1;
708
709 if (len > size) {
710 return false;
711 }
712 memcpy(str, state, len);
713 return true;
714 }
715
716 static void runstate_init(void)
717 {
718 const RunStateTransition *p;
719
720 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
721 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
722 runstate_valid_transitions[p->from][p->to] = true;
723 }
724
725 qemu_mutex_init(&vmstop_lock);
726 }
727
728 /* This function will abort() on invalid state transitions */
729 void runstate_set(RunState new_state)
730 {
731 assert(new_state < RUN_STATE__MAX);
732
733 if (current_run_state == new_state) {
734 return;
735 }
736
737 if (!runstate_valid_transitions[current_run_state][new_state]) {
738 error_report("invalid runstate transition: '%s' -> '%s'",
739 RunState_str(current_run_state),
740 RunState_str(new_state));
741 abort();
742 }
743 trace_runstate_set(new_state);
744 current_run_state = new_state;
745 }
746
747 int runstate_is_running(void)
748 {
749 return runstate_check(RUN_STATE_RUNNING);
750 }
751
752 bool runstate_needs_reset(void)
753 {
754 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
755 runstate_check(RUN_STATE_SHUTDOWN);
756 }
757
758 StatusInfo *qmp_query_status(Error **errp)
759 {
760 StatusInfo *info = g_malloc0(sizeof(*info));
761
762 info->running = runstate_is_running();
763 info->singlestep = singlestep;
764 info->status = current_run_state;
765
766 return info;
767 }
768
769 bool qemu_vmstop_requested(RunState *r)
770 {
771 qemu_mutex_lock(&vmstop_lock);
772 *r = vmstop_requested;
773 vmstop_requested = RUN_STATE__MAX;
774 qemu_mutex_unlock(&vmstop_lock);
775 return *r < RUN_STATE__MAX;
776 }
777
778 void qemu_system_vmstop_request_prepare(void)
779 {
780 qemu_mutex_lock(&vmstop_lock);
781 }
782
783 void qemu_system_vmstop_request(RunState state)
784 {
785 vmstop_requested = state;
786 qemu_mutex_unlock(&vmstop_lock);
787 qemu_notify_event();
788 }
789
790 /***********************************************************/
791 /* real time host monotonic timer */
792
793 static time_t qemu_time(void)
794 {
795 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
796 }
797
798 /***********************************************************/
799 /* host time/date access */
800 void qemu_get_timedate(struct tm *tm, int offset)
801 {
802 time_t ti = qemu_time();
803
804 ti += offset;
805 if (rtc_date_offset == -1) {
806 if (rtc_utc)
807 gmtime_r(&ti, tm);
808 else
809 localtime_r(&ti, tm);
810 } else {
811 ti -= rtc_date_offset;
812 gmtime_r(&ti, tm);
813 }
814 }
815
816 int qemu_timedate_diff(struct tm *tm)
817 {
818 time_t seconds;
819
820 if (rtc_date_offset == -1)
821 if (rtc_utc)
822 seconds = mktimegm(tm);
823 else {
824 struct tm tmp = *tm;
825 tmp.tm_isdst = -1; /* use timezone to figure it out */
826 seconds = mktime(&tmp);
827 }
828 else
829 seconds = mktimegm(tm) + rtc_date_offset;
830
831 return seconds - qemu_time();
832 }
833
834 static void configure_rtc_date_offset(const char *startdate, int legacy)
835 {
836 time_t rtc_start_date;
837 struct tm tm;
838
839 if (!strcmp(startdate, "now") && legacy) {
840 rtc_date_offset = -1;
841 } else {
842 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
843 &tm.tm_year,
844 &tm.tm_mon,
845 &tm.tm_mday,
846 &tm.tm_hour,
847 &tm.tm_min,
848 &tm.tm_sec) == 6) {
849 /* OK */
850 } else if (sscanf(startdate, "%d-%d-%d",
851 &tm.tm_year,
852 &tm.tm_mon,
853 &tm.tm_mday) == 3) {
854 tm.tm_hour = 0;
855 tm.tm_min = 0;
856 tm.tm_sec = 0;
857 } else {
858 goto date_fail;
859 }
860 tm.tm_year -= 1900;
861 tm.tm_mon--;
862 rtc_start_date = mktimegm(&tm);
863 if (rtc_start_date == -1) {
864 date_fail:
865 error_report("invalid date format");
866 error_printf("valid formats: "
867 "'2006-06-17T16:01:21' or '2006-06-17'\n");
868 exit(1);
869 }
870 rtc_date_offset = qemu_time() - rtc_start_date;
871 }
872 }
873
874 static void configure_rtc(QemuOpts *opts)
875 {
876 const char *value;
877
878 value = qemu_opt_get(opts, "base");
879 if (value) {
880 if (!strcmp(value, "utc")) {
881 rtc_utc = 1;
882 } else if (!strcmp(value, "localtime")) {
883 Error *blocker = NULL;
884 rtc_utc = 0;
885 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
886 "-rtc base=localtime");
887 replay_add_blocker(blocker);
888 } else {
889 configure_rtc_date_offset(value, 0);
890 }
891 }
892 value = qemu_opt_get(opts, "clock");
893 if (value) {
894 if (!strcmp(value, "host")) {
895 rtc_clock = QEMU_CLOCK_HOST;
896 } else if (!strcmp(value, "rt")) {
897 rtc_clock = QEMU_CLOCK_REALTIME;
898 } else if (!strcmp(value, "vm")) {
899 rtc_clock = QEMU_CLOCK_VIRTUAL;
900 } else {
901 error_report("invalid option value '%s'", value);
902 exit(1);
903 }
904 }
905 value = qemu_opt_get(opts, "driftfix");
906 if (value) {
907 if (!strcmp(value, "slew")) {
908 static GlobalProperty slew_lost_ticks = {
909 .driver = "mc146818rtc",
910 .property = "lost_tick_policy",
911 .value = "slew",
912 };
913
914 qdev_prop_register_global(&slew_lost_ticks);
915 } else if (!strcmp(value, "none")) {
916 /* discard is default */
917 } else {
918 error_report("invalid option value '%s'", value);
919 exit(1);
920 }
921 }
922 }
923
924 /***********************************************************/
925 /* Bluetooth support */
926 static int nb_hcis;
927 static int cur_hci;
928 static struct HCIInfo *hci_table[MAX_NICS];
929
930 struct HCIInfo *qemu_next_hci(void)
931 {
932 if (cur_hci == nb_hcis)
933 return &null_hci;
934
935 return hci_table[cur_hci++];
936 }
937
938 static int bt_hci_parse(const char *str)
939 {
940 struct HCIInfo *hci;
941 bdaddr_t bdaddr;
942
943 if (nb_hcis >= MAX_NICS) {
944 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
945 return -1;
946 }
947
948 hci = hci_init(str);
949 if (!hci)
950 return -1;
951
952 bdaddr.b[0] = 0x52;
953 bdaddr.b[1] = 0x54;
954 bdaddr.b[2] = 0x00;
955 bdaddr.b[3] = 0x12;
956 bdaddr.b[4] = 0x34;
957 bdaddr.b[5] = 0x56 + nb_hcis;
958 hci->bdaddr_set(hci, bdaddr.b);
959
960 hci_table[nb_hcis++] = hci;
961
962 return 0;
963 }
964
965 static void bt_vhci_add(int vlan_id)
966 {
967 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
968
969 if (!vlan->slave)
970 warn_report("adding a VHCI to an empty scatternet %i",
971 vlan_id);
972
973 bt_vhci_init(bt_new_hci(vlan));
974 }
975
976 static struct bt_device_s *bt_device_add(const char *opt)
977 {
978 struct bt_scatternet_s *vlan;
979 int vlan_id = 0;
980 char *endp = strstr(opt, ",vlan=");
981 int len = (endp ? endp - opt : strlen(opt)) + 1;
982 char devname[10];
983
984 pstrcpy(devname, MIN(sizeof(devname), len), opt);
985
986 if (endp) {
987 vlan_id = strtol(endp + 6, &endp, 0);
988 if (*endp) {
989 error_report("unrecognised bluetooth vlan Id");
990 return 0;
991 }
992 }
993
994 vlan = qemu_find_bt_vlan(vlan_id);
995
996 if (!vlan->slave)
997 warn_report("adding a slave device to an empty scatternet %i",
998 vlan_id);
999
1000 if (!strcmp(devname, "keyboard"))
1001 return bt_keyboard_init(vlan);
1002
1003 error_report("unsupported bluetooth device '%s'", devname);
1004 return 0;
1005 }
1006
1007 static int bt_parse(const char *opt)
1008 {
1009 const char *endp, *p;
1010 int vlan;
1011
1012 if (strstart(opt, "hci", &endp)) {
1013 if (!*endp || *endp == ',') {
1014 if (*endp)
1015 if (!strstart(endp, ",vlan=", 0))
1016 opt = endp + 1;
1017
1018 return bt_hci_parse(opt);
1019 }
1020 } else if (strstart(opt, "vhci", &endp)) {
1021 if (!*endp || *endp == ',') {
1022 if (*endp) {
1023 if (strstart(endp, ",vlan=", &p)) {
1024 vlan = strtol(p, (char **) &endp, 0);
1025 if (*endp) {
1026 error_report("bad scatternet '%s'", p);
1027 return 1;
1028 }
1029 } else {
1030 error_report("bad parameter '%s'", endp + 1);
1031 return 1;
1032 }
1033 } else
1034 vlan = 0;
1035
1036 bt_vhci_add(vlan);
1037 return 0;
1038 }
1039 } else if (strstart(opt, "device:", &endp))
1040 return !bt_device_add(endp);
1041
1042 error_report("bad bluetooth parameter '%s'", opt);
1043 return 1;
1044 }
1045
1046 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1047 {
1048 if (qemu_opt_get_bool(opts, "enable", false)) {
1049 #ifdef CONFIG_SECCOMP
1050 uint32_t seccomp_opts = QEMU_SECCOMP_SET_DEFAULT
1051 | QEMU_SECCOMP_SET_OBSOLETE;
1052 const char *value = NULL;
1053
1054 value = qemu_opt_get(opts, "obsolete");
1055 if (value) {
1056 if (g_str_equal(value, "allow")) {
1057 seccomp_opts &= ~QEMU_SECCOMP_SET_OBSOLETE;
1058 } else if (g_str_equal(value, "deny")) {
1059 /* this is the default option, this if is here
1060 * to provide a little bit of consistency for
1061 * the command line */
1062 } else {
1063 error_report("invalid argument for obsolete");
1064 return -1;
1065 }
1066 }
1067
1068 value = qemu_opt_get(opts, "elevateprivileges");
1069 if (value) {
1070 if (g_str_equal(value, "deny")) {
1071 seccomp_opts |= QEMU_SECCOMP_SET_PRIVILEGED;
1072 } else if (g_str_equal(value, "children")) {
1073 seccomp_opts |= QEMU_SECCOMP_SET_PRIVILEGED;
1074
1075 /* calling prctl directly because we're
1076 * not sure if host has CAP_SYS_ADMIN set*/
1077 if (prctl(PR_SET_NO_NEW_PRIVS, 1)) {
1078 error_report("failed to set no_new_privs "
1079 "aborting");
1080 return -1;
1081 }
1082 } else if (g_str_equal(value, "allow")) {
1083 /* default value */
1084 } else {
1085 error_report("invalid argument for elevateprivileges");
1086 return -1;
1087 }
1088 }
1089
1090 value = qemu_opt_get(opts, "spawn");
1091 if (value) {
1092 if (g_str_equal(value, "deny")) {
1093 seccomp_opts |= QEMU_SECCOMP_SET_SPAWN;
1094 } else if (g_str_equal(value, "allow")) {
1095 /* default value */
1096 } else {
1097 error_report("invalid argument for spawn");
1098 return -1;
1099 }
1100 }
1101
1102 value = qemu_opt_get(opts, "resourcecontrol");
1103 if (value) {
1104 if (g_str_equal(value, "deny")) {
1105 seccomp_opts |= QEMU_SECCOMP_SET_RESOURCECTL;
1106 } else if (g_str_equal(value, "allow")) {
1107 /* default value */
1108 } else {
1109 error_report("invalid argument for resourcecontrol");
1110 return -1;
1111 }
1112 }
1113
1114 if (seccomp_start(seccomp_opts) < 0) {
1115 error_report("failed to install seccomp syscall filter "
1116 "in the kernel");
1117 return -1;
1118 }
1119 #else
1120 error_report("seccomp support is disabled");
1121 return -1;
1122 #endif
1123 }
1124
1125 return 0;
1126 }
1127
1128 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1129 {
1130 const char *proc_name;
1131
1132 if (qemu_opt_get(opts, "debug-threads")) {
1133 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1134 }
1135 qemu_name = qemu_opt_get(opts, "guest");
1136
1137 proc_name = qemu_opt_get(opts, "process");
1138 if (proc_name) {
1139 os_set_proc_name(proc_name);
1140 }
1141
1142 return 0;
1143 }
1144
1145 bool defaults_enabled(void)
1146 {
1147 return has_defaults;
1148 }
1149
1150 #ifndef _WIN32
1151 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1152 {
1153 int fd, dupfd, flags;
1154 int64_t fdset_id;
1155 const char *fd_opaque = NULL;
1156 AddfdInfo *fdinfo;
1157
1158 fd = qemu_opt_get_number(opts, "fd", -1);
1159 fdset_id = qemu_opt_get_number(opts, "set", -1);
1160 fd_opaque = qemu_opt_get(opts, "opaque");
1161
1162 if (fd < 0) {
1163 error_report("fd option is required and must be non-negative");
1164 return -1;
1165 }
1166
1167 if (fd <= STDERR_FILENO) {
1168 error_report("fd cannot be a standard I/O stream");
1169 return -1;
1170 }
1171
1172 /*
1173 * All fds inherited across exec() necessarily have FD_CLOEXEC
1174 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1175 */
1176 flags = fcntl(fd, F_GETFD);
1177 if (flags == -1 || (flags & FD_CLOEXEC)) {
1178 error_report("fd is not valid or already in use");
1179 return -1;
1180 }
1181
1182 if (fdset_id < 0) {
1183 error_report("set option is required and must be non-negative");
1184 return -1;
1185 }
1186
1187 #ifdef F_DUPFD_CLOEXEC
1188 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1189 #else
1190 dupfd = dup(fd);
1191 if (dupfd != -1) {
1192 qemu_set_cloexec(dupfd);
1193 }
1194 #endif
1195 if (dupfd == -1) {
1196 error_report("error duplicating fd: %s", strerror(errno));
1197 return -1;
1198 }
1199
1200 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1201 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1202 &error_abort);
1203 g_free(fdinfo);
1204
1205 return 0;
1206 }
1207
1208 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1209 {
1210 int fd;
1211
1212 fd = qemu_opt_get_number(opts, "fd", -1);
1213 close(fd);
1214
1215 return 0;
1216 }
1217 #endif
1218
1219 /***********************************************************/
1220 /* QEMU Block devices */
1221
1222 #define HD_OPTS "media=disk"
1223 #define CDROM_OPTS "media=cdrom"
1224 #define FD_OPTS ""
1225 #define PFLASH_OPTS ""
1226 #define MTD_OPTS ""
1227 #define SD_OPTS ""
1228
1229 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1230 {
1231 BlockInterfaceType *block_default_type = opaque;
1232
1233 return drive_new(opts, *block_default_type) == NULL;
1234 }
1235
1236 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1237 {
1238 if (qemu_opt_get(opts, "snapshot") == NULL) {
1239 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1240 }
1241 return 0;
1242 }
1243
1244 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1245 int index, const char *optstr)
1246 {
1247 QemuOpts *opts;
1248 DriveInfo *dinfo;
1249
1250 if (!enable || drive_get_by_index(type, index)) {
1251 return;
1252 }
1253
1254 opts = drive_add(type, index, NULL, optstr);
1255 if (snapshot) {
1256 drive_enable_snapshot(NULL, opts, NULL);
1257 }
1258
1259 dinfo = drive_new(opts, type);
1260 if (!dinfo) {
1261 exit(1);
1262 }
1263 dinfo->is_default = true;
1264
1265 }
1266
1267 static QemuOptsList qemu_smp_opts = {
1268 .name = "smp-opts",
1269 .implied_opt_name = "cpus",
1270 .merge_lists = true,
1271 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1272 .desc = {
1273 {
1274 .name = "cpus",
1275 .type = QEMU_OPT_NUMBER,
1276 }, {
1277 .name = "sockets",
1278 .type = QEMU_OPT_NUMBER,
1279 }, {
1280 .name = "cores",
1281 .type = QEMU_OPT_NUMBER,
1282 }, {
1283 .name = "threads",
1284 .type = QEMU_OPT_NUMBER,
1285 }, {
1286 .name = "maxcpus",
1287 .type = QEMU_OPT_NUMBER,
1288 },
1289 { /*End of list */ }
1290 },
1291 };
1292
1293 static void smp_parse(QemuOpts *opts)
1294 {
1295 if (opts) {
1296 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1297 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1298 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1299 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1300
1301 /* compute missing values, prefer sockets over cores over threads */
1302 if (cpus == 0 || sockets == 0) {
1303 sockets = sockets > 0 ? sockets : 1;
1304 cores = cores > 0 ? cores : 1;
1305 threads = threads > 0 ? threads : 1;
1306 if (cpus == 0) {
1307 cpus = cores * threads * sockets;
1308 }
1309 } else if (cores == 0) {
1310 threads = threads > 0 ? threads : 1;
1311 cores = cpus / (sockets * threads);
1312 cores = cores > 0 ? cores : 1;
1313 } else if (threads == 0) {
1314 threads = cpus / (cores * sockets);
1315 threads = threads > 0 ? threads : 1;
1316 } else if (sockets * cores * threads < cpus) {
1317 error_report("cpu topology: "
1318 "sockets (%u) * cores (%u) * threads (%u) < "
1319 "smp_cpus (%u)",
1320 sockets, cores, threads, cpus);
1321 exit(1);
1322 }
1323
1324 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1325
1326 if (max_cpus < cpus) {
1327 error_report("maxcpus must be equal to or greater than smp");
1328 exit(1);
1329 }
1330
1331 if (sockets * cores * threads > max_cpus) {
1332 error_report("cpu topology: "
1333 "sockets (%u) * cores (%u) * threads (%u) > "
1334 "maxcpus (%u)",
1335 sockets, cores, threads, max_cpus);
1336 exit(1);
1337 }
1338
1339 smp_cpus = cpus;
1340 smp_cores = cores;
1341 smp_threads = threads;
1342 }
1343
1344 if (smp_cpus > 1) {
1345 Error *blocker = NULL;
1346 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1347 replay_add_blocker(blocker);
1348 }
1349 }
1350
1351 static void realtime_init(void)
1352 {
1353 if (enable_mlock) {
1354 if (os_mlock() < 0) {
1355 error_report("locking memory failed");
1356 exit(1);
1357 }
1358 }
1359 }
1360
1361
1362 static void configure_msg(QemuOpts *opts)
1363 {
1364 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1365 }
1366
1367 /***********************************************************/
1368 /* Semihosting */
1369
1370 typedef struct SemihostingConfig {
1371 bool enabled;
1372 SemihostingTarget target;
1373 const char **argv;
1374 int argc;
1375 const char *cmdline; /* concatenated argv */
1376 } SemihostingConfig;
1377
1378 static SemihostingConfig semihosting;
1379
1380 bool semihosting_enabled(void)
1381 {
1382 return semihosting.enabled;
1383 }
1384
1385 SemihostingTarget semihosting_get_target(void)
1386 {
1387 return semihosting.target;
1388 }
1389
1390 const char *semihosting_get_arg(int i)
1391 {
1392 if (i >= semihosting.argc) {
1393 return NULL;
1394 }
1395 return semihosting.argv[i];
1396 }
1397
1398 int semihosting_get_argc(void)
1399 {
1400 return semihosting.argc;
1401 }
1402
1403 const char *semihosting_get_cmdline(void)
1404 {
1405 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1406 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1407 }
1408 return semihosting.cmdline;
1409 }
1410
1411 static int add_semihosting_arg(void *opaque,
1412 const char *name, const char *val,
1413 Error **errp)
1414 {
1415 SemihostingConfig *s = opaque;
1416 if (strcmp(name, "arg") == 0) {
1417 s->argc++;
1418 /* one extra element as g_strjoinv() expects NULL-terminated array */
1419 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1420 s->argv[s->argc - 1] = val;
1421 s->argv[s->argc] = NULL;
1422 }
1423 return 0;
1424 }
1425
1426 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1427 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1428 {
1429 char *cmd_token;
1430
1431 /* argv[0] */
1432 add_semihosting_arg(&semihosting, "arg", file, NULL);
1433
1434 /* split -append and initialize argv[1..n] */
1435 cmd_token = strtok(g_strdup(cmd), " ");
1436 while (cmd_token) {
1437 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1438 cmd_token = strtok(NULL, " ");
1439 }
1440 }
1441
1442 /* Now we still need this for compatibility with XEN. */
1443 bool has_igd_gfx_passthru;
1444 static void igd_gfx_passthru(void)
1445 {
1446 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1447 }
1448
1449 /***********************************************************/
1450 /* USB devices */
1451
1452 static int usb_device_add(const char *devname)
1453 {
1454 USBDevice *dev = NULL;
1455
1456 if (!machine_usb(current_machine)) {
1457 return -1;
1458 }
1459
1460 dev = usbdevice_create(devname);
1461 if (!dev)
1462 return -1;
1463
1464 return 0;
1465 }
1466
1467 static int usb_parse(const char *cmdline)
1468 {
1469 int r;
1470 r = usb_device_add(cmdline);
1471 if (r < 0) {
1472 error_report("could not add USB device '%s'", cmdline);
1473 }
1474 return r;
1475 }
1476
1477 /***********************************************************/
1478 /* machine registration */
1479
1480 MachineState *current_machine;
1481
1482 static MachineClass *find_machine(const char *name)
1483 {
1484 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1485 MachineClass *mc = NULL;
1486
1487 for (el = machines; el; el = el->next) {
1488 MachineClass *temp = el->data;
1489
1490 if (!strcmp(temp->name, name)) {
1491 mc = temp;
1492 break;
1493 }
1494 if (temp->alias &&
1495 !strcmp(temp->alias, name)) {
1496 mc = temp;
1497 break;
1498 }
1499 }
1500
1501 g_slist_free(machines);
1502 return mc;
1503 }
1504
1505 MachineClass *find_default_machine(void)
1506 {
1507 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1508 MachineClass *mc = NULL;
1509
1510 for (el = machines; el; el = el->next) {
1511 MachineClass *temp = el->data;
1512
1513 if (temp->is_default) {
1514 mc = temp;
1515 break;
1516 }
1517 }
1518
1519 g_slist_free(machines);
1520 return mc;
1521 }
1522
1523 MachineInfoList *qmp_query_machines(Error **errp)
1524 {
1525 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1526 MachineInfoList *mach_list = NULL;
1527
1528 for (el = machines; el; el = el->next) {
1529 MachineClass *mc = el->data;
1530 MachineInfoList *entry;
1531 MachineInfo *info;
1532
1533 info = g_malloc0(sizeof(*info));
1534 if (mc->is_default) {
1535 info->has_is_default = true;
1536 info->is_default = true;
1537 }
1538
1539 if (mc->alias) {
1540 info->has_alias = true;
1541 info->alias = g_strdup(mc->alias);
1542 }
1543
1544 info->name = g_strdup(mc->name);
1545 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1546 info->hotpluggable_cpus = mc->has_hotpluggable_cpus;
1547
1548 entry = g_malloc0(sizeof(*entry));
1549 entry->value = info;
1550 entry->next = mach_list;
1551 mach_list = entry;
1552 }
1553
1554 g_slist_free(machines);
1555 return mach_list;
1556 }
1557
1558 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1559 {
1560 ObjectProperty *prop;
1561 ObjectPropertyIterator iter;
1562
1563 if (!qemu_opt_has_help_opt(opts)) {
1564 return 0;
1565 }
1566
1567 object_property_iter_init(&iter, OBJECT(machine));
1568 while ((prop = object_property_iter_next(&iter))) {
1569 if (!prop->set) {
1570 continue;
1571 }
1572
1573 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1574 prop->name, prop->type);
1575 if (prop->description) {
1576 error_printf(" (%s)\n", prop->description);
1577 } else {
1578 error_printf("\n");
1579 }
1580 }
1581
1582 return 1;
1583 }
1584
1585 /***********************************************************/
1586 /* main execution loop */
1587
1588 struct vm_change_state_entry {
1589 VMChangeStateHandler *cb;
1590 void *opaque;
1591 QLIST_ENTRY (vm_change_state_entry) entries;
1592 };
1593
1594 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1595
1596 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1597 void *opaque)
1598 {
1599 VMChangeStateEntry *e;
1600
1601 e = g_malloc0(sizeof (*e));
1602
1603 e->cb = cb;
1604 e->opaque = opaque;
1605 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1606 return e;
1607 }
1608
1609 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1610 {
1611 QLIST_REMOVE (e, entries);
1612 g_free (e);
1613 }
1614
1615 void vm_state_notify(int running, RunState state)
1616 {
1617 VMChangeStateEntry *e, *next;
1618
1619 trace_vm_state_notify(running, state);
1620
1621 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1622 e->cb(e->opaque, running, state);
1623 }
1624 }
1625
1626 static ShutdownCause reset_requested;
1627 static ShutdownCause shutdown_requested;
1628 static int shutdown_signal;
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 ShutdownCause qemu_shutdown_requested_get(void)
1643 {
1644 return shutdown_requested;
1645 }
1646
1647 ShutdownCause 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, SHUTDOWN_CAUSE_NONE);
1655 }
1656
1657 static void qemu_kill_report(void)
1658 {
1659 if (!qtest_driver() && shutdown_signal) {
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 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1667
1668 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1669 shutdown_signal, shutdown_pid,
1670 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1671 g_free(shutdown_cmd);
1672 }
1673 shutdown_signal = 0;
1674 }
1675 }
1676
1677 static ShutdownCause qemu_reset_requested(void)
1678 {
1679 ShutdownCause r = reset_requested;
1680
1681 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1682 reset_requested = SHUTDOWN_CAUSE_NONE;
1683 return r;
1684 }
1685 return SHUTDOWN_CAUSE_NONE;
1686 }
1687
1688 static int qemu_suspend_requested(void)
1689 {
1690 int r = suspend_requested;
1691 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1692 suspend_requested = 0;
1693 return r;
1694 }
1695 return false;
1696 }
1697
1698 static WakeupReason qemu_wakeup_requested(void)
1699 {
1700 return wakeup_reason;
1701 }
1702
1703 static int qemu_powerdown_requested(void)
1704 {
1705 int r = powerdown_requested;
1706 powerdown_requested = 0;
1707 return r;
1708 }
1709
1710 static int qemu_debug_requested(void)
1711 {
1712 int r = debug_requested;
1713 debug_requested = 0;
1714 return r;
1715 }
1716
1717 /*
1718 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1719 */
1720 void qemu_system_reset(ShutdownCause reason)
1721 {
1722 MachineClass *mc;
1723
1724 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1725
1726 cpu_synchronize_all_states();
1727
1728 if (mc && mc->reset) {
1729 mc->reset();
1730 } else {
1731 qemu_devices_reset();
1732 }
1733 if (reason) {
1734 qapi_event_send_reset(shutdown_caused_by_guest(reason),
1735 &error_abort);
1736 }
1737 cpu_synchronize_all_post_reset();
1738 }
1739
1740 void qemu_system_guest_panicked(GuestPanicInformation *info)
1741 {
1742 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed\n");
1743
1744 if (current_cpu) {
1745 current_cpu->crash_occurred = true;
1746 }
1747 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
1748 !!info, info, &error_abort);
1749 vm_stop(RUN_STATE_GUEST_PANICKED);
1750 if (!no_shutdown) {
1751 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1752 !!info, info, &error_abort);
1753 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC);
1754 }
1755
1756 if (info) {
1757 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
1758 qemu_log_mask(LOG_GUEST_ERROR, "HV crash parameters: (%#"PRIx64
1759 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
1760 info->u.hyper_v.arg1,
1761 info->u.hyper_v.arg2,
1762 info->u.hyper_v.arg3,
1763 info->u.hyper_v.arg4,
1764 info->u.hyper_v.arg5);
1765 }
1766 qapi_free_GuestPanicInformation(info);
1767 }
1768 }
1769
1770 void qemu_system_reset_request(ShutdownCause reason)
1771 {
1772 if (no_reboot) {
1773 shutdown_requested = reason;
1774 } else {
1775 reset_requested = reason;
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 = SHUTDOWN_CAUSE_HOST_SIGNAL;
1843 qemu_notify_event();
1844 }
1845
1846 void qemu_system_shutdown_request(ShutdownCause reason)
1847 {
1848 trace_qemu_system_shutdown_request(reason);
1849 replay_shutdown_request(reason);
1850 shutdown_requested = reason;
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 ShutdownCause request;
1882
1883 if (qemu_debug_requested()) {
1884 vm_stop(RUN_STATE_DEBUG);
1885 }
1886 if (qemu_suspend_requested()) {
1887 qemu_system_suspend();
1888 }
1889 request = qemu_shutdown_requested();
1890 if (request) {
1891 qemu_kill_report();
1892 qapi_event_send_shutdown(shutdown_caused_by_guest(request),
1893 &error_abort);
1894 if (no_shutdown) {
1895 vm_stop(RUN_STATE_SHUTDOWN);
1896 } else {
1897 return true;
1898 }
1899 }
1900 request = qemu_reset_requested();
1901 if (request) {
1902 pause_all_vcpus();
1903 qemu_system_reset(request);
1904 resume_all_vcpus();
1905 if (!runstate_check(RUN_STATE_RUNNING) &&
1906 !runstate_check(RUN_STATE_INMIGRATE)) {
1907 runstate_set(RUN_STATE_PRELAUNCH);
1908 }
1909 }
1910 if (qemu_wakeup_requested()) {
1911 pause_all_vcpus();
1912 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
1913 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1914 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1915 resume_all_vcpus();
1916 qapi_event_send_wakeup(&error_abort);
1917 }
1918 if (qemu_powerdown_requested()) {
1919 qemu_system_powerdown();
1920 }
1921 if (qemu_vmstop_requested(&r)) {
1922 vm_stop(r);
1923 }
1924 return false;
1925 }
1926
1927 static void main_loop(void)
1928 {
1929 #ifdef CONFIG_PROFILER
1930 int64_t ti;
1931 #endif
1932 do {
1933 #ifdef CONFIG_PROFILER
1934 ti = profile_getclock();
1935 #endif
1936 main_loop_wait(false);
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 "\n"
1946 QEMU_COPYRIGHT "\n");
1947 }
1948
1949 static void help(int exitcode)
1950 {
1951 version();
1952 printf("usage: %s [options] [disk_image]\n\n"
1953 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1954 error_get_progname());
1955
1956 #define QEMU_OPTIONS_GENERATE_HELP
1957 #include "qemu-options-wrapper.h"
1958
1959 printf("\nDuring emulation, the following keys are useful:\n"
1960 "ctrl-alt-f toggle full screen\n"
1961 "ctrl-alt-n switch to virtual console 'n'\n"
1962 "ctrl-alt toggle mouse and keyboard grab\n"
1963 "\n"
1964 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1965 "\n"
1966 QEMU_HELP_BOTTOM "\n");
1967
1968 exit(exitcode);
1969 }
1970
1971 #define HAS_ARG 0x0001
1972
1973 typedef struct QEMUOption {
1974 const char *name;
1975 int flags;
1976 int index;
1977 uint32_t arch_mask;
1978 } QEMUOption;
1979
1980 static const QEMUOption qemu_options[] = {
1981 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1982 #define QEMU_OPTIONS_GENERATE_OPTIONS
1983 #include "qemu-options-wrapper.h"
1984 { NULL },
1985 };
1986
1987 typedef struct VGAInterfaceInfo {
1988 const char *opt_name; /* option name */
1989 const char *name; /* human-readable name */
1990 /* Class names indicating that support is available.
1991 * If no class is specified, the interface is always available */
1992 const char *class_names[2];
1993 } VGAInterfaceInfo;
1994
1995 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1996 [VGA_NONE] = {
1997 .opt_name = "none",
1998 },
1999 [VGA_STD] = {
2000 .opt_name = "std",
2001 .name = "standard VGA",
2002 .class_names = { "VGA", "isa-vga" },
2003 },
2004 [VGA_CIRRUS] = {
2005 .opt_name = "cirrus",
2006 .name = "Cirrus VGA",
2007 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
2008 },
2009 [VGA_VMWARE] = {
2010 .opt_name = "vmware",
2011 .name = "VMWare SVGA",
2012 .class_names = { "vmware-svga" },
2013 },
2014 [VGA_VIRTIO] = {
2015 .opt_name = "virtio",
2016 .name = "Virtio VGA",
2017 .class_names = { "virtio-vga" },
2018 },
2019 [VGA_QXL] = {
2020 .opt_name = "qxl",
2021 .name = "QXL VGA",
2022 .class_names = { "qxl-vga" },
2023 },
2024 [VGA_TCX] = {
2025 .opt_name = "tcx",
2026 .name = "TCX framebuffer",
2027 .class_names = { "SUNW,tcx" },
2028 },
2029 [VGA_CG3] = {
2030 .opt_name = "cg3",
2031 .name = "CG3 framebuffer",
2032 .class_names = { "cgthree" },
2033 },
2034 [VGA_XENFB] = {
2035 .opt_name = "xenfb",
2036 },
2037 };
2038
2039 static bool vga_interface_available(VGAInterfaceType t)
2040 {
2041 VGAInterfaceInfo *ti = &vga_interfaces[t];
2042
2043 assert(t < VGA_TYPE_MAX);
2044 return !ti->class_names[0] ||
2045 object_class_by_name(ti->class_names[0]) ||
2046 object_class_by_name(ti->class_names[1]);
2047 }
2048
2049 static void select_vgahw(const char *p)
2050 {
2051 const char *opts;
2052 int t;
2053
2054 assert(vga_interface_type == VGA_NONE);
2055 for (t = 0; t < VGA_TYPE_MAX; t++) {
2056 VGAInterfaceInfo *ti = &vga_interfaces[t];
2057 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2058 if (!vga_interface_available(t)) {
2059 error_report("%s not available", ti->name);
2060 exit(1);
2061 }
2062 vga_interface_type = t;
2063 break;
2064 }
2065 }
2066 if (t == VGA_TYPE_MAX) {
2067 invalid_vga:
2068 error_report("unknown vga type: %s", p);
2069 exit(1);
2070 }
2071 while (*opts) {
2072 const char *nextopt;
2073
2074 if (strstart(opts, ",retrace=", &nextopt)) {
2075 opts = nextopt;
2076 if (strstart(opts, "dumb", &nextopt))
2077 vga_retrace_method = VGA_RETRACE_DUMB;
2078 else if (strstart(opts, "precise", &nextopt))
2079 vga_retrace_method = VGA_RETRACE_PRECISE;
2080 else goto invalid_vga;
2081 } else goto invalid_vga;
2082 opts = nextopt;
2083 }
2084 }
2085
2086 typedef enum DisplayType {
2087 DT_DEFAULT,
2088 DT_CURSES,
2089 DT_SDL,
2090 DT_COCOA,
2091 DT_GTK,
2092 DT_EGL,
2093 DT_NONE,
2094 } DisplayType;
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 if (*opts == '=') {
2165 vnc_parse(opts + 1, &error_fatal);
2166 } else {
2167 error_report("VNC requires a display argument vnc=<display>");
2168 exit(1);
2169 }
2170 } else if (strstart(p, "egl-headless", &opts)) {
2171 #ifdef CONFIG_OPENGL_DMABUF
2172 request_opengl = 1;
2173 display_opengl = 1;
2174 display = DT_EGL;
2175 #else
2176 error_report("egl 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 char *qemu_find_file(int type, const char *name)
2259 {
2260 int i;
2261 const char *subdir;
2262 char *buf;
2263
2264 /* Try the name as a straight path first */
2265 if (access(name, R_OK) == 0) {
2266 trace_load_file(name, name);
2267 return g_strdup(name);
2268 }
2269
2270 switch (type) {
2271 case QEMU_FILE_TYPE_BIOS:
2272 subdir = "";
2273 break;
2274 case QEMU_FILE_TYPE_KEYMAP:
2275 subdir = "keymaps/";
2276 break;
2277 default:
2278 abort();
2279 }
2280
2281 for (i = 0; i < data_dir_idx; i++) {
2282 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2283 if (access(buf, R_OK) == 0) {
2284 trace_load_file(name, buf);
2285 return buf;
2286 }
2287 g_free(buf);
2288 }
2289 return NULL;
2290 }
2291
2292 static void qemu_add_data_dir(const char *path)
2293 {
2294 int i;
2295
2296 if (path == NULL) {
2297 return;
2298 }
2299 if (data_dir_idx == ARRAY_SIZE(data_dir)) {
2300 return;
2301 }
2302 for (i = 0; i < data_dir_idx; i++) {
2303 if (strcmp(data_dir[i], path) == 0) {
2304 return; /* duplicate */
2305 }
2306 }
2307 data_dir[data_dir_idx++] = g_strdup(path);
2308 }
2309
2310 static inline bool nonempty_str(const char *str)
2311 {
2312 return str && *str;
2313 }
2314
2315 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2316 {
2317 gchar *buf;
2318 size_t size;
2319 const char *name, *file, *str;
2320 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2321
2322 if (fw_cfg == NULL) {
2323 error_report("fw_cfg device not available");
2324 return -1;
2325 }
2326 name = qemu_opt_get(opts, "name");
2327 file = qemu_opt_get(opts, "file");
2328 str = qemu_opt_get(opts, "string");
2329
2330 /* we need name and either a file or the content string */
2331 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2332 error_report("invalid argument(s)");
2333 return -1;
2334 }
2335 if (nonempty_str(file) && nonempty_str(str)) {
2336 error_report("file and string are mutually exclusive");
2337 return -1;
2338 }
2339 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2340 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2341 return -1;
2342 }
2343 if (strncmp(name, "opt/", 4) != 0) {
2344 warn_report("externally provided fw_cfg item names "
2345 "should be prefixed with \"opt/\"");
2346 }
2347 if (nonempty_str(str)) {
2348 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2349 buf = g_memdup(str, size);
2350 } else {
2351 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2352 error_report("can't load %s", file);
2353 return -1;
2354 }
2355 }
2356 /* For legacy, keep user files in a specific global order. */
2357 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2358 fw_cfg_add_file(fw_cfg, name, buf, size);
2359 fw_cfg_reset_order_override(fw_cfg);
2360 return 0;
2361 }
2362
2363 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2364 {
2365 return qdev_device_help(opts);
2366 }
2367
2368 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2369 {
2370 Error *err = NULL;
2371 DeviceState *dev;
2372
2373 dev = qdev_device_add(opts, &err);
2374 if (!dev) {
2375 error_report_err(err);
2376 return -1;
2377 }
2378 object_unref(OBJECT(dev));
2379 return 0;
2380 }
2381
2382 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2383 {
2384 Error *local_err = NULL;
2385
2386 if (!qemu_chr_new_from_opts(opts, &local_err)) {
2387 if (local_err) {
2388 error_report_err(local_err);
2389 return -1;
2390 }
2391 exit(0);
2392 }
2393 return 0;
2394 }
2395
2396 #ifdef CONFIG_VIRTFS
2397 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2398 {
2399 return qemu_fsdev_add(opts);
2400 }
2401 #endif
2402
2403 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2404 {
2405 Chardev *chr;
2406 const char *chardev;
2407 const char *mode;
2408 int flags;
2409
2410 mode = qemu_opt_get(opts, "mode");
2411 if (mode == NULL) {
2412 mode = "readline";
2413 }
2414 if (strcmp(mode, "readline") == 0) {
2415 flags = MONITOR_USE_READLINE;
2416 } else if (strcmp(mode, "control") == 0) {
2417 flags = MONITOR_USE_CONTROL;
2418 } else {
2419 error_report("unknown monitor mode \"%s\"", mode);
2420 exit(1);
2421 }
2422
2423 if (qemu_opt_get_bool(opts, "pretty", 0))
2424 flags |= MONITOR_USE_PRETTY;
2425
2426 if (qemu_opt_get_bool(opts, "default", 0)) {
2427 error_report("option 'default' does nothing and is deprecated");
2428 }
2429
2430 chardev = qemu_opt_get(opts, "chardev");
2431 chr = qemu_chr_find(chardev);
2432 if (chr == NULL) {
2433 error_report("chardev \"%s\" not found", chardev);
2434 exit(1);
2435 }
2436
2437 monitor_init(chr, flags);
2438 return 0;
2439 }
2440
2441 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2442 {
2443 static int monitor_device_index = 0;
2444 QemuOpts *opts;
2445 const char *p;
2446 char label[32];
2447
2448 if (strstart(optarg, "chardev:", &p)) {
2449 snprintf(label, sizeof(label), "%s", p);
2450 } else {
2451 snprintf(label, sizeof(label), "compat_monitor%d",
2452 monitor_device_index);
2453 opts = qemu_chr_parse_compat(label, optarg);
2454 if (!opts) {
2455 error_report("parse error: %s", optarg);
2456 exit(1);
2457 }
2458 }
2459
2460 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2461 qemu_opt_set(opts, "mode", mode, &error_abort);
2462 qemu_opt_set(opts, "chardev", label, &error_abort);
2463 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2464 monitor_device_index++;
2465 }
2466
2467 struct device_config {
2468 enum {
2469 DEV_USB, /* -usbdevice */
2470 DEV_BT, /* -bt */
2471 DEV_SERIAL, /* -serial */
2472 DEV_PARALLEL, /* -parallel */
2473 DEV_VIRTCON, /* -virtioconsole */
2474 DEV_DEBUGCON, /* -debugcon */
2475 DEV_GDB, /* -gdb, -s */
2476 DEV_SCLP, /* s390 sclp */
2477 } type;
2478 const char *cmdline;
2479 Location loc;
2480 QTAILQ_ENTRY(device_config) next;
2481 };
2482
2483 static QTAILQ_HEAD(, device_config) device_configs =
2484 QTAILQ_HEAD_INITIALIZER(device_configs);
2485
2486 static void add_device_config(int type, const char *cmdline)
2487 {
2488 struct device_config *conf;
2489
2490 conf = g_malloc0(sizeof(*conf));
2491 conf->type = type;
2492 conf->cmdline = cmdline;
2493 loc_save(&conf->loc);
2494 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2495 }
2496
2497 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2498 {
2499 struct device_config *conf;
2500 int rc;
2501
2502 QTAILQ_FOREACH(conf, &device_configs, next) {
2503 if (conf->type != type)
2504 continue;
2505 loc_push_restore(&conf->loc);
2506 rc = func(conf->cmdline);
2507 loc_pop(&conf->loc);
2508 if (rc) {
2509 return rc;
2510 }
2511 }
2512 return 0;
2513 }
2514
2515 static int serial_parse(const char *devname)
2516 {
2517 static int index = 0;
2518 char label[32];
2519
2520 if (strcmp(devname, "none") == 0)
2521 return 0;
2522 if (index == MAX_SERIAL_PORTS) {
2523 error_report("too many serial ports");
2524 exit(1);
2525 }
2526 snprintf(label, sizeof(label), "serial%d", index);
2527 serial_hds[index] = qemu_chr_new(label, devname);
2528 if (!serial_hds[index]) {
2529 error_report("could not connect serial device"
2530 " to character backend '%s'", devname);
2531 return -1;
2532 }
2533 index++;
2534 return 0;
2535 }
2536
2537 static int parallel_parse(const char *devname)
2538 {
2539 static int index = 0;
2540 char label[32];
2541
2542 if (strcmp(devname, "none") == 0)
2543 return 0;
2544 if (index == MAX_PARALLEL_PORTS) {
2545 error_report("too many parallel ports");
2546 exit(1);
2547 }
2548 snprintf(label, sizeof(label), "parallel%d", index);
2549 parallel_hds[index] = qemu_chr_new(label, devname);
2550 if (!parallel_hds[index]) {
2551 error_report("could not connect parallel device"
2552 " to character backend '%s'", devname);
2553 return -1;
2554 }
2555 index++;
2556 return 0;
2557 }
2558
2559 static int virtcon_parse(const char *devname)
2560 {
2561 QemuOptsList *device = qemu_find_opts("device");
2562 static int index = 0;
2563 char label[32];
2564 QemuOpts *bus_opts, *dev_opts;
2565
2566 if (strcmp(devname, "none") == 0)
2567 return 0;
2568 if (index == MAX_VIRTIO_CONSOLES) {
2569 error_report("too many virtio consoles");
2570 exit(1);
2571 }
2572
2573 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2574 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2575
2576 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2577 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2578
2579 snprintf(label, sizeof(label), "virtcon%d", index);
2580 virtcon_hds[index] = qemu_chr_new(label, devname);
2581 if (!virtcon_hds[index]) {
2582 error_report("could not connect virtio console"
2583 " to character backend '%s'", devname);
2584 return -1;
2585 }
2586 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2587
2588 index++;
2589 return 0;
2590 }
2591
2592 static int sclp_parse(const char *devname)
2593 {
2594 QemuOptsList *device = qemu_find_opts("device");
2595 static int index = 0;
2596 char label[32];
2597 QemuOpts *dev_opts;
2598
2599 if (strcmp(devname, "none") == 0) {
2600 return 0;
2601 }
2602 if (index == MAX_SCLP_CONSOLES) {
2603 error_report("too many sclp consoles");
2604 exit(1);
2605 }
2606
2607 assert(arch_type == QEMU_ARCH_S390X);
2608
2609 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2610 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2611
2612 snprintf(label, sizeof(label), "sclpcon%d", index);
2613 sclp_hds[index] = qemu_chr_new(label, devname);
2614 if (!sclp_hds[index]) {
2615 error_report("could not connect sclp console"
2616 " to character backend '%s'", devname);
2617 return -1;
2618 }
2619 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2620
2621 index++;
2622 return 0;
2623 }
2624
2625 static int debugcon_parse(const char *devname)
2626 {
2627 QemuOpts *opts;
2628
2629 if (!qemu_chr_new("debugcon", devname)) {
2630 exit(1);
2631 }
2632 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2633 if (!opts) {
2634 error_report("already have a debugcon device");
2635 exit(1);
2636 }
2637 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2638 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2639 return 0;
2640 }
2641
2642 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2643 {
2644 const MachineClass *mc1 = a, *mc2 = b;
2645 int res;
2646
2647 if (mc1->family == NULL) {
2648 if (mc2->family == NULL) {
2649 /* Compare standalone machine types against each other; they sort
2650 * in increasing order.
2651 */
2652 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2653 object_class_get_name(OBJECT_CLASS(mc2)));
2654 }
2655
2656 /* Standalone machine types sort after families. */
2657 return 1;
2658 }
2659
2660 if (mc2->family == NULL) {
2661 /* Families sort before standalone machine types. */
2662 return -1;
2663 }
2664
2665 /* Families sort between each other alphabetically increasingly. */
2666 res = strcmp(mc1->family, mc2->family);
2667 if (res != 0) {
2668 return res;
2669 }
2670
2671 /* Within the same family, machine types sort in decreasing order. */
2672 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2673 object_class_get_name(OBJECT_CLASS(mc1)));
2674 }
2675
2676 static MachineClass *machine_parse(const char *name)
2677 {
2678 MachineClass *mc = NULL;
2679 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2680
2681 if (name) {
2682 mc = find_machine(name);
2683 }
2684 if (mc) {
2685 g_slist_free(machines);
2686 return mc;
2687 }
2688 if (name && !is_help_option(name)) {
2689 error_report("unsupported machine type");
2690 error_printf("Use -machine help to list supported machines\n");
2691 } else {
2692 printf("Supported machines are:\n");
2693 machines = g_slist_sort(machines, machine_class_cmp);
2694 for (el = machines; el; el = el->next) {
2695 MachineClass *mc = el->data;
2696 if (mc->alias) {
2697 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2698 }
2699 printf("%-20s %s%s\n", mc->name, mc->desc,
2700 mc->is_default ? " (default)" : "");
2701 }
2702 }
2703
2704 g_slist_free(machines);
2705 exit(!name || !is_help_option(name));
2706 }
2707
2708 void qemu_add_exit_notifier(Notifier *notify)
2709 {
2710 notifier_list_add(&exit_notifiers, notify);
2711 }
2712
2713 void qemu_remove_exit_notifier(Notifier *notify)
2714 {
2715 notifier_remove(notify);
2716 }
2717
2718 static void qemu_run_exit_notifiers(void)
2719 {
2720 notifier_list_notify(&exit_notifiers, NULL);
2721 }
2722
2723 static bool machine_init_done;
2724
2725 void qemu_add_machine_init_done_notifier(Notifier *notify)
2726 {
2727 notifier_list_add(&machine_init_done_notifiers, notify);
2728 if (machine_init_done) {
2729 notify->notify(notify, NULL);
2730 }
2731 }
2732
2733 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2734 {
2735 notifier_remove(notify);
2736 }
2737
2738 static void qemu_run_machine_init_done_notifiers(void)
2739 {
2740 notifier_list_notify(&machine_init_done_notifiers, NULL);
2741 machine_init_done = true;
2742 }
2743
2744 static const QEMUOption *lookup_opt(int argc, char **argv,
2745 const char **poptarg, int *poptind)
2746 {
2747 const QEMUOption *popt;
2748 int optind = *poptind;
2749 char *r = argv[optind];
2750 const char *optarg;
2751
2752 loc_set_cmdline(argv, optind, 1);
2753 optind++;
2754 /* Treat --foo the same as -foo. */
2755 if (r[1] == '-')
2756 r++;
2757 popt = qemu_options;
2758 for(;;) {
2759 if (!popt->name) {
2760 error_report("invalid option");
2761 exit(1);
2762 }
2763 if (!strcmp(popt->name, r + 1))
2764 break;
2765 popt++;
2766 }
2767 if (popt->flags & HAS_ARG) {
2768 if (optind >= argc) {
2769 error_report("requires an argument");
2770 exit(1);
2771 }
2772 optarg = argv[optind++];
2773 loc_set_cmdline(argv, optind - 2, 2);
2774 } else {
2775 optarg = NULL;
2776 }
2777
2778 *poptarg = optarg;
2779 *poptind = optind;
2780
2781 return popt;
2782 }
2783
2784 static MachineClass *select_machine(void)
2785 {
2786 MachineClass *machine_class = find_default_machine();
2787 const char *optarg;
2788 QemuOpts *opts;
2789 Location loc;
2790
2791 loc_push_none(&loc);
2792
2793 opts = qemu_get_machine_opts();
2794 qemu_opts_loc_restore(opts);
2795
2796 optarg = qemu_opt_get(opts, "type");
2797 if (optarg) {
2798 machine_class = machine_parse(optarg);
2799 }
2800
2801 if (!machine_class) {
2802 error_report("No machine specified, and there is no default");
2803 error_printf("Use -machine help to list supported machines\n");
2804 exit(1);
2805 }
2806
2807 loc_pop(&loc);
2808 return machine_class;
2809 }
2810
2811 static int machine_set_property(void *opaque,
2812 const char *name, const char *value,
2813 Error **errp)
2814 {
2815 Object *obj = OBJECT(opaque);
2816 Error *local_err = NULL;
2817 char *p, *qom_name;
2818
2819 if (strcmp(name, "type") == 0) {
2820 return 0;
2821 }
2822
2823 qom_name = g_strdup(name);
2824 for (p = qom_name; *p; p++) {
2825 if (*p == '_') {
2826 *p = '-';
2827 }
2828 }
2829
2830 object_property_parse(obj, value, qom_name, &local_err);
2831 g_free(qom_name);
2832
2833 if (local_err) {
2834 error_report_err(local_err);
2835 return -1;
2836 }
2837
2838 return 0;
2839 }
2840
2841
2842 /*
2843 * Initial object creation happens before all other
2844 * QEMU data types are created. The majority of objects
2845 * can be created at this point. The rng-egd object
2846 * cannot be created here, as it depends on the chardev
2847 * already existing.
2848 */
2849 static bool object_create_initial(const char *type)
2850 {
2851 if (g_str_equal(type, "rng-egd") ||
2852 g_str_has_prefix(type, "pr-manager-")) {
2853 return false;
2854 }
2855
2856 /*
2857 * return false for concrete netfilters since
2858 * they depend on netdevs already existing
2859 */
2860 if (g_str_equal(type, "filter-buffer") ||
2861 g_str_equal(type, "filter-dump") ||
2862 g_str_equal(type, "filter-mirror") ||
2863 g_str_equal(type, "filter-redirector") ||
2864 g_str_equal(type, "colo-compare") ||
2865 g_str_equal(type, "filter-rewriter") ||
2866 g_str_equal(type, "filter-replay")) {
2867 return false;
2868 }
2869
2870 /* Memory allocation by backends needs to be done
2871 * after configure_accelerator() (due to the tcg_enabled()
2872 * checks at memory_region_init_*()).
2873 *
2874 * Also, allocation of large amounts of memory may delay
2875 * chardev initialization for too long, and trigger timeouts
2876 * on software that waits for a monitor socket to be created
2877 * (e.g. libvirt).
2878 */
2879 if (g_str_has_prefix(type, "memory-backend-")) {
2880 return false;
2881 }
2882
2883 return true;
2884 }
2885
2886
2887 /*
2888 * The remainder of object creation happens after the
2889 * creation of chardev, fsdev, net clients and device data types.
2890 */
2891 static bool object_create_delayed(const char *type)
2892 {
2893 return !object_create_initial(type);
2894 }
2895
2896
2897 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2898 MachineClass *mc)
2899 {
2900 uint64_t sz;
2901 const char *mem_str;
2902 const char *maxmem_str, *slots_str;
2903 const ram_addr_t default_ram_size = mc->default_ram_size;
2904 QemuOpts *opts = qemu_find_opts_singleton("memory");
2905 Location loc;
2906
2907 loc_push_none(&loc);
2908 qemu_opts_loc_restore(opts);
2909
2910 sz = 0;
2911 mem_str = qemu_opt_get(opts, "size");
2912 if (mem_str) {
2913 if (!*mem_str) {
2914 error_report("missing 'size' option value");
2915 exit(EXIT_FAILURE);
2916 }
2917
2918 sz = qemu_opt_get_size(opts, "size", ram_size);
2919
2920 /* Fix up legacy suffix-less format */
2921 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2922 uint64_t overflow_check = sz;
2923
2924 sz <<= 20;
2925 if ((sz >> 20) != overflow_check) {
2926 error_report("too large 'size' option value");
2927 exit(EXIT_FAILURE);
2928 }
2929 }
2930 }
2931
2932 /* backward compatibility behaviour for case "-m 0" */
2933 if (sz == 0) {
2934 sz = default_ram_size;
2935 }
2936
2937 sz = QEMU_ALIGN_UP(sz, 8192);
2938 ram_size = sz;
2939 if (ram_size != sz) {
2940 error_report("ram size too large");
2941 exit(EXIT_FAILURE);
2942 }
2943
2944 /* store value for the future use */
2945 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2946 *maxram_size = ram_size;
2947
2948 maxmem_str = qemu_opt_get(opts, "maxmem");
2949 slots_str = qemu_opt_get(opts, "slots");
2950 if (maxmem_str && slots_str) {
2951 uint64_t slots;
2952
2953 sz = qemu_opt_get_size(opts, "maxmem", 0);
2954 slots = qemu_opt_get_number(opts, "slots", 0);
2955 if (sz < ram_size) {
2956 error_report("invalid value of -m option maxmem: "
2957 "maximum memory size (0x%" PRIx64 ") must be at least "
2958 "the initial memory size (0x" RAM_ADDR_FMT ")",
2959 sz, ram_size);
2960 exit(EXIT_FAILURE);
2961 } else if (sz > ram_size) {
2962 if (!slots) {
2963 error_report("invalid value of -m option: maxmem was "
2964 "specified, but no hotplug slots were specified");
2965 exit(EXIT_FAILURE);
2966 }
2967 } else if (slots) {
2968 error_report("invalid value of -m option maxmem: "
2969 "memory slots were specified but maximum memory size "
2970 "(0x%" PRIx64 ") is equal to the initial memory size "
2971 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2972 exit(EXIT_FAILURE);
2973 }
2974
2975 *maxram_size = sz;
2976 *ram_slots = slots;
2977 } else if ((!maxmem_str && slots_str) ||
2978 (maxmem_str && !slots_str)) {
2979 error_report("invalid -m option value: missing "
2980 "'%s' option", slots_str ? "maxmem" : "slots");
2981 exit(EXIT_FAILURE);
2982 }
2983
2984 loc_pop(&loc);
2985 }
2986
2987 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2988 {
2989 GlobalProperty *g;
2990
2991 g = g_malloc0(sizeof(*g));
2992 g->driver = qemu_opt_get(opts, "driver");
2993 g->property = qemu_opt_get(opts, "property");
2994 g->value = qemu_opt_get(opts, "value");
2995 g->user_provided = true;
2996 g->errp = &error_fatal;
2997 qdev_prop_register_global(g);
2998 return 0;
2999 }
3000
3001 static int qemu_read_default_config_file(void)
3002 {
3003 int ret;
3004
3005 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
3006 if (ret < 0 && ret != -ENOENT) {
3007 return ret;
3008 }
3009
3010 return 0;
3011 }
3012
3013 static void user_register_global_props(void)
3014 {
3015 qemu_opts_foreach(qemu_find_opts("global"),
3016 global_init_func, NULL, NULL);
3017 }
3018
3019 /*
3020 * Note: we should see that these properties are actually having a
3021 * priority: accel < machine < user. This means e.g. when user
3022 * specifies something in "-global", it'll always be used with highest
3023 * priority than either machine/accelerator compat properties.
3024 */
3025 static void register_global_properties(MachineState *ms)
3026 {
3027 accel_register_compat_props(ms->accelerator);
3028 machine_register_compat_props(ms);
3029 user_register_global_props();
3030 }
3031
3032 int main(int argc, char **argv, char **envp)
3033 {
3034 int i;
3035 int snapshot, linux_boot;
3036 const char *initrd_filename;
3037 const char *kernel_filename, *kernel_cmdline;
3038 const char *boot_order = NULL;
3039 const char *boot_once = NULL;
3040 DisplayState *ds;
3041 QemuOpts *opts, *machine_opts;
3042 QemuOpts *icount_opts = NULL, *accel_opts = NULL;
3043 QemuOptsList *olist;
3044 int optind;
3045 const char *optarg;
3046 const char *loadvm = NULL;
3047 MachineClass *machine_class;
3048 const char *cpu_model;
3049 const char *vga_model = NULL;
3050 const char *qtest_chrdev = NULL;
3051 const char *qtest_log = NULL;
3052 const char *pid_file = NULL;
3053 const char *incoming = NULL;
3054 bool userconfig = true;
3055 bool nographic = false;
3056 DisplayType display_type = DT_DEFAULT;
3057 int display_remote = 0;
3058 const char *log_mask = NULL;
3059 const char *log_file = NULL;
3060 char *trace_file = NULL;
3061 ram_addr_t maxram_size;
3062 uint64_t ram_slots = 0;
3063 FILE *vmstate_dump_file = NULL;
3064 Error *main_loop_err = NULL;
3065 Error *err = NULL;
3066 bool list_data_dirs = false;
3067 char *dir, **dirs;
3068 typedef struct BlockdevOptions_queue {
3069 BlockdevOptions *bdo;
3070 Location loc;
3071 QSIMPLEQ_ENTRY(BlockdevOptions_queue) entry;
3072 } BlockdevOptions_queue;
3073 QSIMPLEQ_HEAD(, BlockdevOptions_queue) bdo_queue
3074 = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
3075
3076 module_call_init(MODULE_INIT_TRACE);
3077
3078 qemu_init_cpu_list();
3079 qemu_init_cpu_loop();
3080 qemu_mutex_lock_iothread();
3081
3082 atexit(qemu_run_exit_notifiers);
3083 error_set_progname(argv[0]);
3084 qemu_init_exec_dir(argv[0]);
3085
3086 module_call_init(MODULE_INIT_QOM);
3087 monitor_init_qmp_commands();
3088
3089 qemu_add_opts(&qemu_drive_opts);
3090 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3091 qemu_add_drive_opts(&qemu_common_drive_opts);
3092 qemu_add_drive_opts(&qemu_drive_opts);
3093 qemu_add_drive_opts(&bdrv_runtime_opts);
3094 qemu_add_opts(&qemu_chardev_opts);
3095 qemu_add_opts(&qemu_device_opts);
3096 qemu_add_opts(&qemu_netdev_opts);
3097 qemu_add_opts(&qemu_net_opts);
3098 qemu_add_opts(&qemu_rtc_opts);
3099 qemu_add_opts(&qemu_global_opts);
3100 qemu_add_opts(&qemu_mon_opts);
3101 qemu_add_opts(&qemu_trace_opts);
3102 qemu_add_opts(&qemu_option_rom_opts);
3103 qemu_add_opts(&qemu_machine_opts);
3104 qemu_add_opts(&qemu_accel_opts);
3105 qemu_add_opts(&qemu_mem_opts);
3106 qemu_add_opts(&qemu_smp_opts);
3107 qemu_add_opts(&qemu_boot_opts);
3108 qemu_add_opts(&qemu_sandbox_opts);
3109 qemu_add_opts(&qemu_add_fd_opts);
3110 qemu_add_opts(&qemu_object_opts);
3111 qemu_add_opts(&qemu_tpmdev_opts);
3112 qemu_add_opts(&qemu_realtime_opts);
3113 qemu_add_opts(&qemu_msg_opts);
3114 qemu_add_opts(&qemu_name_opts);
3115 qemu_add_opts(&qemu_numa_opts);
3116 qemu_add_opts(&qemu_icount_opts);
3117 qemu_add_opts(&qemu_semihosting_config_opts);
3118 qemu_add_opts(&qemu_fw_cfg_opts);
3119 module_call_init(MODULE_INIT_OPTS);
3120
3121 runstate_init();
3122
3123 if (qcrypto_init(&err) < 0) {
3124 error_reportf_err(err, "cannot initialize crypto: ");
3125 exit(1);
3126 }
3127 rtc_clock = QEMU_CLOCK_HOST;
3128
3129 QLIST_INIT (&vm_change_state_head);
3130 os_setup_early_signal_handling();
3131
3132 cpu_model = NULL;
3133 snapshot = 0;
3134
3135 nb_nics = 0;
3136
3137 bdrv_init_with_whitelist();
3138
3139 autostart = 1;
3140
3141 /* first pass of option parsing */
3142 optind = 1;
3143 while (optind < argc) {
3144 if (argv[optind][0] != '-') {
3145 /* disk image */
3146 optind++;
3147 } else {
3148 const QEMUOption *popt;
3149
3150 popt = lookup_opt(argc, argv, &optarg, &optind);
3151 switch (popt->index) {
3152 case QEMU_OPTION_nodefconfig:
3153 case QEMU_OPTION_nouserconfig:
3154 userconfig = false;
3155 break;
3156 }
3157 }
3158 }
3159
3160 if (userconfig) {
3161 if (qemu_read_default_config_file() < 0) {
3162 exit(1);
3163 }
3164 }
3165
3166 /* second pass of option parsing */
3167 optind = 1;
3168 for(;;) {
3169 if (optind >= argc)
3170 break;
3171 if (argv[optind][0] != '-') {
3172 drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3173 } else {
3174 const QEMUOption *popt;
3175
3176 popt = lookup_opt(argc, argv, &optarg, &optind);
3177 if (!(popt->arch_mask & arch_type)) {
3178 error_report("Option not supported for this target");
3179 exit(1);
3180 }
3181 switch(popt->index) {
3182 case QEMU_OPTION_no_kvm_irqchip: {
3183 olist = qemu_find_opts("machine");
3184 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3185 break;
3186 }
3187 case QEMU_OPTION_cpu:
3188 /* hw initialization will check this */
3189 cpu_model = optarg;
3190 break;
3191 case QEMU_OPTION_hda:
3192 case QEMU_OPTION_hdb:
3193 case QEMU_OPTION_hdc:
3194 case QEMU_OPTION_hdd:
3195 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3196 HD_OPTS);
3197 break;
3198 case QEMU_OPTION_blockdev:
3199 {
3200 Visitor *v;
3201 BlockdevOptions_queue *bdo;
3202
3203 v = qobject_input_visitor_new_str(optarg, "driver", &err);
3204 if (!v) {
3205 error_report_err(err);
3206 exit(1);
3207 }
3208
3209 bdo = g_new(BlockdevOptions_queue, 1);
3210 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3211 &error_fatal);
3212 visit_free(v);
3213 loc_save(&bdo->loc);
3214 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3215 break;
3216 }
3217 case QEMU_OPTION_drive:
3218 if (drive_def(optarg) == NULL) {
3219 exit(1);
3220 }
3221 break;
3222 case QEMU_OPTION_set:
3223 if (qemu_set_option(optarg) != 0)
3224 exit(1);
3225 break;
3226 case QEMU_OPTION_global:
3227 if (qemu_global_option(optarg) != 0)
3228 exit(1);
3229 break;
3230 case QEMU_OPTION_mtdblock:
3231 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3232 break;
3233 case QEMU_OPTION_sd:
3234 drive_add(IF_SD, -1, optarg, SD_OPTS);
3235 break;
3236 case QEMU_OPTION_pflash:
3237 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3238 break;
3239 case QEMU_OPTION_snapshot:
3240 snapshot = 1;
3241 break;
3242 case QEMU_OPTION_numa:
3243 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3244 optarg, true);
3245 if (!opts) {
3246 exit(1);
3247 }
3248 break;
3249 case QEMU_OPTION_display:
3250 display_type = select_display(optarg);
3251 break;
3252 case QEMU_OPTION_nographic:
3253 olist = qemu_find_opts("machine");
3254 qemu_opts_parse_noisily(olist, "graphics=off", false);
3255 nographic = true;
3256 display_type = DT_NONE;
3257 break;
3258 case QEMU_OPTION_curses:
3259 #ifdef CONFIG_CURSES
3260 display_type = DT_CURSES;
3261 #else
3262 error_report("curses support is disabled");
3263 exit(1);
3264 #endif
3265 break;
3266 case QEMU_OPTION_portrait:
3267 graphic_rotate = 90;
3268 break;
3269 case QEMU_OPTION_rotate:
3270 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3271 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3272 graphic_rotate != 180 && graphic_rotate != 270) {
3273 error_report("only 90, 180, 270 deg rotation is available");
3274 exit(1);
3275 }
3276 break;
3277 case QEMU_OPTION_kernel:
3278 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3279 &error_abort);
3280 break;
3281 case QEMU_OPTION_initrd:
3282 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3283 &error_abort);
3284 break;
3285 case QEMU_OPTION_append:
3286 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3287 &error_abort);
3288 break;
3289 case QEMU_OPTION_dtb:
3290 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3291 &error_abort);
3292 break;
3293 case QEMU_OPTION_cdrom:
3294 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3295 break;
3296 case QEMU_OPTION_boot:
3297 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3298 optarg, true);
3299 if (!opts) {
3300 exit(1);
3301 }
3302 break;
3303 case QEMU_OPTION_fda:
3304 case QEMU_OPTION_fdb:
3305 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3306 optarg, FD_OPTS);
3307 break;
3308 case QEMU_OPTION_no_fd_bootchk:
3309 fd_bootchk = 0;
3310 break;
3311 case QEMU_OPTION_netdev:
3312 default_net = 0;
3313 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3314 exit(1);
3315 }
3316 break;
3317 case QEMU_OPTION_net:
3318 default_net = 0;
3319 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3320 exit(1);
3321 }
3322 break;
3323 #ifdef CONFIG_LIBISCSI
3324 case QEMU_OPTION_iscsi:
3325 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3326 optarg, false);
3327 if (!opts) {
3328 exit(1);
3329 }
3330 break;
3331 #endif
3332 #ifdef CONFIG_SLIRP
3333 case QEMU_OPTION_tftp:
3334 error_report("The -tftp option is deprecated. "
3335 "Please use '-netdev user,tftp=...' instead.");
3336 legacy_tftp_prefix = optarg;
3337 break;
3338 case QEMU_OPTION_bootp:
3339 error_report("The -bootp option is deprecated. "
3340 "Please use '-netdev user,bootfile=...' instead.");
3341 legacy_bootp_filename = optarg;
3342 break;
3343 case QEMU_OPTION_redir:
3344 error_report("The -redir option is deprecated. "
3345 "Please use '-netdev user,hostfwd=...' instead.");
3346 if (net_slirp_redir(optarg) < 0)
3347 exit(1);
3348 break;
3349 #endif
3350 case QEMU_OPTION_bt:
3351 add_device_config(DEV_BT, optarg);
3352 break;
3353 case QEMU_OPTION_audio_help:
3354 AUD_help ();
3355 exit (0);
3356 break;
3357 case QEMU_OPTION_soundhw:
3358 select_soundhw (optarg);
3359 break;
3360 case QEMU_OPTION_h:
3361 help(0);
3362 break;
3363 case QEMU_OPTION_version:
3364 version();
3365 exit(0);
3366 break;
3367 case QEMU_OPTION_m:
3368 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3369 optarg, true);
3370 if (!opts) {
3371 exit(EXIT_FAILURE);
3372 }
3373 break;
3374 #ifdef CONFIG_TPM
3375 case QEMU_OPTION_tpmdev:
3376 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3377 exit(1);
3378 }
3379 break;
3380 #endif
3381 case QEMU_OPTION_mempath:
3382 mem_path = optarg;
3383 break;
3384 case QEMU_OPTION_mem_prealloc:
3385 mem_prealloc = 1;
3386 break;
3387 case QEMU_OPTION_d:
3388 log_mask = optarg;
3389 break;
3390 case QEMU_OPTION_D:
3391 log_file = optarg;
3392 break;
3393 case QEMU_OPTION_DFILTER:
3394 qemu_set_dfilter_ranges(optarg, &error_fatal);
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 (is_help_option(optarg)) {
3404 list_data_dirs = true;
3405 } else {
3406 qemu_add_data_dir(optarg);
3407 }
3408 break;
3409 case QEMU_OPTION_bios:
3410 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3411 &error_abort);
3412 break;
3413 case QEMU_OPTION_singlestep:
3414 singlestep = 1;
3415 break;
3416 case QEMU_OPTION_S:
3417 autostart = 0;
3418 break;
3419 case QEMU_OPTION_k:
3420 keyboard_layout = optarg;
3421 break;
3422 case QEMU_OPTION_localtime:
3423 rtc_utc = 0;
3424 break;
3425 case QEMU_OPTION_vga:
3426 vga_model = optarg;
3427 default_vga = 0;
3428 break;
3429 case QEMU_OPTION_g:
3430 {
3431 const char *p;
3432 int w, h, depth;
3433 p = optarg;
3434 w = strtol(p, (char **)&p, 10);
3435 if (w <= 0) {
3436 graphic_error:
3437 error_report("invalid resolution or depth");
3438 exit(1);
3439 }
3440 if (*p != 'x')
3441 goto graphic_error;
3442 p++;
3443 h = strtol(p, (char **)&p, 10);
3444 if (h <= 0)
3445 goto graphic_error;
3446 if (*p == 'x') {
3447 p++;
3448 depth = strtol(p, (char **)&p, 10);
3449 if (depth != 8 && depth != 15 && depth != 16 &&
3450 depth != 24 && depth != 32)
3451 goto graphic_error;
3452 } else if (*p == '\0') {
3453 depth = graphic_depth;
3454 } else {
3455 goto graphic_error;
3456 }
3457
3458 graphic_width = w;
3459 graphic_height = h;
3460 graphic_depth = depth;
3461 }
3462 break;
3463 case QEMU_OPTION_echr:
3464 {
3465 char *r;
3466 term_escape_char = strtol(optarg, &r, 0);
3467 if (r == optarg)
3468 printf("Bad argument to echr\n");
3469 break;
3470 }
3471 case QEMU_OPTION_monitor:
3472 default_monitor = 0;
3473 if (strncmp(optarg, "none", 4)) {
3474 monitor_parse(optarg, "readline", false);
3475 }
3476 break;
3477 case QEMU_OPTION_qmp:
3478 monitor_parse(optarg, "control", false);
3479 default_monitor = 0;
3480 break;
3481 case QEMU_OPTION_qmp_pretty:
3482 monitor_parse(optarg, "control", true);
3483 default_monitor = 0;
3484 break;
3485 case QEMU_OPTION_mon:
3486 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3487 true);
3488 if (!opts) {
3489 exit(1);
3490 }
3491 default_monitor = 0;
3492 break;
3493 case QEMU_OPTION_chardev:
3494 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3495 optarg, true);
3496 if (!opts) {
3497 exit(1);
3498 }
3499 break;
3500 case QEMU_OPTION_fsdev:
3501 olist = qemu_find_opts("fsdev");
3502 if (!olist) {
3503 error_report("fsdev support is disabled");
3504 exit(1);
3505 }
3506 opts = qemu_opts_parse_noisily(olist, optarg, true);
3507 if (!opts) {
3508 exit(1);
3509 }
3510 break;
3511 case QEMU_OPTION_virtfs: {
3512 QemuOpts *fsdev;
3513 QemuOpts *device;
3514 const char *writeout, *sock_fd, *socket, *path, *security_model;
3515
3516 olist = qemu_find_opts("virtfs");
3517 if (!olist) {
3518 error_report("virtfs support is disabled");
3519 exit(1);
3520 }
3521 opts = qemu_opts_parse_noisily(olist, optarg, true);
3522 if (!opts) {
3523 exit(1);
3524 }
3525
3526 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3527 qemu_opt_get(opts, "mount_tag") == NULL) {
3528 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3529 exit(1);
3530 }
3531 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3532 qemu_opts_id(opts) ?:
3533 qemu_opt_get(opts, "mount_tag"),
3534 1, NULL);
3535 if (!fsdev) {
3536 error_report("duplicate or invalid fsdev id: %s",
3537 qemu_opt_get(opts, "mount_tag"));
3538 exit(1);
3539 }
3540
3541 writeout = qemu_opt_get(opts, "writeout");
3542 if (writeout) {
3543 #ifdef CONFIG_SYNC_FILE_RANGE
3544 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3545 #else
3546 error_report("writeout=immediate not supported "
3547 "on this platform");
3548 exit(1);
3549 #endif
3550 }
3551 qemu_opt_set(fsdev, "fsdriver",
3552 qemu_opt_get(opts, "fsdriver"), &error_abort);
3553 path = qemu_opt_get(opts, "path");
3554 if (path) {
3555 qemu_opt_set(fsdev, "path", path, &error_abort);
3556 }
3557 security_model = qemu_opt_get(opts, "security_model");
3558 if (security_model) {
3559 qemu_opt_set(fsdev, "security_model", security_model,
3560 &error_abort);
3561 }
3562 socket = qemu_opt_get(opts, "socket");
3563 if (socket) {
3564 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3565 }
3566 sock_fd = qemu_opt_get(opts, "sock_fd");
3567 if (sock_fd) {
3568 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3569 }
3570
3571 qemu_opt_set_bool(fsdev, "readonly",
3572 qemu_opt_get_bool(opts, "readonly", 0),
3573 &error_abort);
3574 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3575 &error_abort);
3576 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3577 qemu_opt_set(device, "fsdev",
3578 qemu_opts_id(fsdev), &error_abort);
3579 qemu_opt_set(device, "mount_tag",
3580 qemu_opt_get(opts, "mount_tag"), &error_abort);
3581 break;
3582 }
3583 case QEMU_OPTION_virtfs_synth: {
3584 QemuOpts *fsdev;
3585 QemuOpts *device;
3586
3587 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3588 1, NULL);
3589 if (!fsdev) {
3590 error_report("duplicate option: %s", "virtfs_synth");
3591 exit(1);
3592 }
3593 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3594
3595 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3596 &error_abort);
3597 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3598 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3599 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3600 break;
3601 }
3602 case QEMU_OPTION_serial:
3603 add_device_config(DEV_SERIAL, optarg);
3604 default_serial = 0;
3605 if (strncmp(optarg, "mon:", 4) == 0) {
3606 default_monitor = 0;
3607 }
3608 break;
3609 case QEMU_OPTION_watchdog:
3610 if (watchdog) {
3611 error_report("only one watchdog option may be given");
3612 return 1;
3613 }
3614 watchdog = optarg;
3615 break;
3616 case QEMU_OPTION_watchdog_action:
3617 if (select_watchdog_action(optarg) == -1) {
3618 error_report("unknown -watchdog-action parameter");
3619 exit(1);
3620 }
3621 break;
3622 case QEMU_OPTION_virtiocon:
3623 add_device_config(DEV_VIRTCON, optarg);
3624 default_virtcon = 0;
3625 if (strncmp(optarg, "mon:", 4) == 0) {
3626 default_monitor = 0;
3627 }
3628 break;
3629 case QEMU_OPTION_parallel:
3630 add_device_config(DEV_PARALLEL, optarg);
3631 default_parallel = 0;
3632 if (strncmp(optarg, "mon:", 4) == 0) {
3633 default_monitor = 0;
3634 }
3635 break;
3636 case QEMU_OPTION_debugcon:
3637 add_device_config(DEV_DEBUGCON, optarg);
3638 break;
3639 case QEMU_OPTION_loadvm:
3640 loadvm = optarg;
3641 break;
3642 case QEMU_OPTION_full_screen:
3643 full_screen = 1;
3644 break;
3645 case QEMU_OPTION_no_frame:
3646 no_frame = 1;
3647 break;
3648 case QEMU_OPTION_alt_grab:
3649 alt_grab = 1;
3650 break;
3651 case QEMU_OPTION_ctrl_grab:
3652 ctrl_grab = 1;
3653 break;
3654 case QEMU_OPTION_no_quit:
3655 no_quit = 1;
3656 break;
3657 case QEMU_OPTION_sdl:
3658 #ifdef CONFIG_SDL
3659 display_type = DT_SDL;
3660 break;
3661 #else
3662 error_report("SDL support is disabled");
3663 exit(1);
3664 #endif
3665 case QEMU_OPTION_pidfile:
3666 pid_file = optarg;
3667 break;
3668 case QEMU_OPTION_win2k_hack:
3669 win2k_install_hack = 1;
3670 break;
3671 case QEMU_OPTION_rtc_td_hack: {
3672 static GlobalProperty slew_lost_ticks = {
3673 .driver = "mc146818rtc",
3674 .property = "lost_tick_policy",
3675 .value = "slew",
3676 };
3677
3678 qdev_prop_register_global(&slew_lost_ticks);
3679 break;
3680 }
3681 case QEMU_OPTION_acpitable:
3682 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3683 optarg, true);
3684 if (!opts) {
3685 exit(1);
3686 }
3687 acpi_table_add(opts, &error_fatal);
3688 break;
3689 case QEMU_OPTION_smbios:
3690 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3691 optarg, false);
3692 if (!opts) {
3693 exit(1);
3694 }
3695 smbios_entry_add(opts, &error_fatal);
3696 break;
3697 case QEMU_OPTION_fwcfg:
3698 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3699 optarg, true);
3700 if (opts == NULL) {
3701 exit(1);
3702 }
3703 break;
3704 case QEMU_OPTION_enable_kvm:
3705 olist = qemu_find_opts("machine");
3706 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3707 break;
3708 case QEMU_OPTION_enable_hax:
3709 olist = qemu_find_opts("machine");
3710 qemu_opts_parse_noisily(olist, "accel=hax", false);
3711 break;
3712 case QEMU_OPTION_M:
3713 case QEMU_OPTION_machine:
3714 olist = qemu_find_opts("machine");
3715 opts = qemu_opts_parse_noisily(olist, optarg, true);
3716 if (!opts) {
3717 exit(1);
3718 }
3719 break;
3720 case QEMU_OPTION_no_kvm:
3721 olist = qemu_find_opts("machine");
3722 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3723 break;
3724 case QEMU_OPTION_no_kvm_pit_reinjection: {
3725 static GlobalProperty kvm_pit_lost_tick_policy = {
3726 .driver = "kvm-pit",
3727 .property = "lost_tick_policy",
3728 .value = "discard",
3729 };
3730
3731 warn_report("deprecated, replaced by "
3732 "-global kvm-pit.lost_tick_policy=discard");
3733 qdev_prop_register_global(&kvm_pit_lost_tick_policy);
3734 break;
3735 }
3736 case QEMU_OPTION_accel:
3737 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3738 optarg, true);
3739 optarg = qemu_opt_get(accel_opts, "accel");
3740 if (!optarg || is_help_option(optarg)) {
3741 error_printf("Possible accelerators: kvm, xen, hax, tcg\n");
3742 exit(0);
3743 }
3744 opts = qemu_opts_create(qemu_find_opts("machine"), NULL,
3745 false, &error_abort);
3746 qemu_opt_set(opts, "accel", optarg, &error_abort);
3747 break;
3748 case QEMU_OPTION_usb:
3749 olist = qemu_find_opts("machine");
3750 qemu_opts_parse_noisily(olist, "usb=on", false);
3751 break;
3752 case QEMU_OPTION_usbdevice:
3753 error_report("'-usbdevice' is deprecated, please use "
3754 "'-device usb-...' instead");
3755 olist = qemu_find_opts("machine");
3756 qemu_opts_parse_noisily(olist, "usb=on", false);
3757 add_device_config(DEV_USB, optarg);
3758 break;
3759 case QEMU_OPTION_device:
3760 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3761 optarg, true)) {
3762 exit(1);
3763 }
3764 break;
3765 case QEMU_OPTION_smp:
3766 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3767 optarg, true)) {
3768 exit(1);
3769 }
3770 break;
3771 case QEMU_OPTION_vnc:
3772 vnc_parse(optarg, &error_fatal);
3773 break;
3774 case QEMU_OPTION_no_acpi:
3775 acpi_enabled = 0;
3776 break;
3777 case QEMU_OPTION_no_hpet:
3778 no_hpet = 1;
3779 break;
3780 case QEMU_OPTION_balloon:
3781 if (balloon_parse(optarg) < 0) {
3782 error_report("unknown -balloon argument %s", optarg);
3783 exit(1);
3784 }
3785 break;
3786 case QEMU_OPTION_no_reboot:
3787 no_reboot = 1;
3788 break;
3789 case QEMU_OPTION_no_shutdown:
3790 no_shutdown = 1;
3791 break;
3792 case QEMU_OPTION_show_cursor:
3793 cursor_hide = 0;
3794 break;
3795 case QEMU_OPTION_uuid:
3796 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3797 error_report("failed to parse UUID string: wrong format");
3798 exit(1);
3799 }
3800 qemu_uuid_set = true;
3801 break;
3802 case QEMU_OPTION_option_rom:
3803 if (nb_option_roms >= MAX_OPTION_ROMS) {
3804 error_report("too many option ROMs");
3805 exit(1);
3806 }
3807 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3808 optarg, true);
3809 if (!opts) {
3810 exit(1);
3811 }
3812 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3813 option_rom[nb_option_roms].bootindex =
3814 qemu_opt_get_number(opts, "bootindex", -1);
3815 if (!option_rom[nb_option_roms].name) {
3816 error_report("Option ROM file is not specified");
3817 exit(1);
3818 }
3819 nb_option_roms++;
3820 break;
3821 case QEMU_OPTION_semihosting:
3822 semihosting.enabled = true;
3823 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3824 break;
3825 case QEMU_OPTION_semihosting_config:
3826 semihosting.enabled = true;
3827 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3828 optarg, false);
3829 if (opts != NULL) {
3830 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3831 true);
3832 const char *target = qemu_opt_get(opts, "target");
3833 if (target != NULL) {
3834 if (strcmp("native", target) == 0) {
3835 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3836 } else if (strcmp("gdb", target) == 0) {
3837 semihosting.target = SEMIHOSTING_TARGET_GDB;
3838 } else if (strcmp("auto", target) == 0) {
3839 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3840 } else {
3841 error_report("unsupported semihosting-config %s",
3842 optarg);
3843 exit(1);
3844 }
3845 } else {
3846 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3847 }
3848 /* Set semihosting argument count and vector */
3849 qemu_opt_foreach(opts, add_semihosting_arg,
3850 &semihosting, NULL);
3851 } else {
3852 error_report("unsupported semihosting-config %s", optarg);
3853 exit(1);
3854 }
3855 break;
3856 case QEMU_OPTION_tdf:
3857 warn_report("ignoring deprecated option");
3858 break;
3859 case QEMU_OPTION_name:
3860 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3861 optarg, true);
3862 if (!opts) {
3863 exit(1);
3864 }
3865 break;
3866 case QEMU_OPTION_prom_env:
3867 if (nb_prom_envs >= MAX_PROM_ENVS) {
3868 error_report("too many prom variables");
3869 exit(1);
3870 }
3871 prom_envs[nb_prom_envs] = optarg;
3872 nb_prom_envs++;
3873 break;
3874 case QEMU_OPTION_old_param:
3875 old_param = 1;
3876 break;
3877 case QEMU_OPTION_clock:
3878 /* Clock options no longer exist. Keep this option for
3879 * backward compatibility.
3880 */
3881 break;
3882 case QEMU_OPTION_startdate:
3883 configure_rtc_date_offset(optarg, 1);
3884 break;
3885 case QEMU_OPTION_rtc:
3886 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3887 false);
3888 if (!opts) {
3889 exit(1);
3890 }
3891 configure_rtc(opts);
3892 break;
3893 case QEMU_OPTION_tb_size:
3894 #ifndef CONFIG_TCG
3895 error_report("TCG is disabled");
3896 exit(1);
3897 #endif
3898 if (qemu_strtoul(optarg, NULL, 0, &tcg_tb_size) < 0) {
3899 error_report("Invalid argument to -tb-size");
3900 exit(1);
3901 }
3902 break;
3903 case QEMU_OPTION_icount:
3904 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3905 optarg, true);
3906 if (!icount_opts) {
3907 exit(1);
3908 }
3909 break;
3910 case QEMU_OPTION_incoming:
3911 if (!incoming) {
3912 runstate_set(RUN_STATE_INMIGRATE);
3913 }
3914 incoming = optarg;
3915 break;
3916 case QEMU_OPTION_only_migratable:
3917 /*
3918 * TODO: we can remove this option one day, and we
3919 * should all use:
3920 *
3921 * "-global migration.only-migratable=true"
3922 */
3923 qemu_global_option("migration.only-migratable=true");
3924 break;
3925 case QEMU_OPTION_nodefaults:
3926 has_defaults = 0;
3927 break;
3928 case QEMU_OPTION_xen_domid:
3929 if (!(xen_available())) {
3930 error_report("Option not supported for this target");
3931 exit(1);
3932 }
3933 xen_domid = atoi(optarg);
3934 break;
3935 case QEMU_OPTION_xen_create:
3936 if (!(xen_available())) {
3937 error_report("Option not supported for this target");
3938 exit(1);
3939 }
3940 xen_mode = XEN_CREATE;
3941 break;
3942 case QEMU_OPTION_xen_attach:
3943 if (!(xen_available())) {
3944 error_report("Option not supported for this target");
3945 exit(1);
3946 }
3947 xen_mode = XEN_ATTACH;
3948 break;
3949 case QEMU_OPTION_xen_domid_restrict:
3950 if (!(xen_available())) {
3951 error_report("Option not supported for this target");
3952 exit(1);
3953 }
3954 xen_domid_restrict = true;
3955 break;
3956 case QEMU_OPTION_trace:
3957 g_free(trace_file);
3958 trace_file = trace_opt_parse(optarg);
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 rcu_disable_atfork();
4081
4082 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4083 error_report("could not acquire pid file: %s", strerror(errno));
4084 exit(1);
4085 }
4086
4087 if (qemu_init_main_loop(&main_loop_err)) {
4088 error_report_err(main_loop_err);
4089 exit(1);
4090 }
4091
4092 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4093 parse_sandbox, NULL, NULL)) {
4094 exit(1);
4095 }
4096
4097 if (qemu_opts_foreach(qemu_find_opts("name"),
4098 parse_name, NULL, NULL)) {
4099 exit(1);
4100 }
4101
4102 #ifndef _WIN32
4103 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4104 parse_add_fd, NULL, NULL)) {
4105 exit(1);
4106 }
4107
4108 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4109 cleanup_add_fd, NULL, NULL)) {
4110 exit(1);
4111 }
4112 #endif
4113
4114 current_machine = MACHINE(object_new(object_class_get_name(
4115 OBJECT_CLASS(machine_class))));
4116 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4117 exit(0);
4118 }
4119 object_property_add_child(object_get_root(), "machine",
4120 OBJECT(current_machine), &error_abort);
4121
4122 if (machine_class->minimum_page_bits) {
4123 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4124 /* This would be a board error: specifying a minimum smaller than
4125 * a target's compile-time fixed setting.
4126 */
4127 g_assert_not_reached();
4128 }
4129 }
4130
4131 cpu_exec_init_all();
4132
4133 if (machine_class->hw_version) {
4134 qemu_set_hw_version(machine_class->hw_version);
4135 }
4136
4137 if (cpu_model && is_help_option(cpu_model)) {
4138 list_cpus(stdout, &fprintf, cpu_model);
4139 exit(0);
4140 }
4141
4142 if (!trace_init_backends()) {
4143 exit(1);
4144 }
4145 trace_init_file(trace_file);
4146
4147 /* Open the logfile at this point and set the log mask if necessary.
4148 */
4149 if (log_file) {
4150 qemu_set_log_filename(log_file, &error_fatal);
4151 }
4152
4153 if (log_mask) {
4154 int mask;
4155 mask = qemu_str_to_log_mask(log_mask);
4156 if (!mask) {
4157 qemu_print_log_usage(stdout);
4158 exit(1);
4159 }
4160 qemu_set_log(mask);
4161 } else {
4162 qemu_set_log(0);
4163 }
4164
4165 /* add configured firmware directories */
4166 dirs = g_strsplit(CONFIG_QEMU_FIRMWAREPATH, G_SEARCHPATH_SEPARATOR_S, 0);
4167 for (i = 0; dirs[i] != NULL; i++) {
4168 qemu_add_data_dir(dirs[i]);
4169 }
4170 g_strfreev(dirs);
4171
4172 /* try to find datadir relative to the executable path */
4173 dir = os_find_datadir();
4174 qemu_add_data_dir(dir);
4175 g_free(dir);
4176
4177 /* add the datadir specified when building */
4178 qemu_add_data_dir(CONFIG_QEMU_DATADIR);
4179
4180 /* -L help lists the data directories and exits. */
4181 if (list_data_dirs) {
4182 for (i = 0; i < data_dir_idx; i++) {
4183 printf("%s\n", data_dir[i]);
4184 }
4185 exit(0);
4186 }
4187
4188 /* machine_class: default to UP */
4189 machine_class->max_cpus = machine_class->max_cpus ?: 1;
4190 machine_class->min_cpus = machine_class->min_cpus ?: 1;
4191 machine_class->default_cpus = machine_class->default_cpus ?: 1;
4192
4193 /* default to machine_class->default_cpus */
4194 smp_cpus = machine_class->default_cpus;
4195 max_cpus = machine_class->default_cpus;
4196
4197 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4198
4199 /* sanity-check smp_cpus and max_cpus against machine_class */
4200 if (smp_cpus < machine_class->min_cpus) {
4201 error_report("Invalid SMP CPUs %d. The min CPUs "
4202 "supported by machine '%s' is %d", smp_cpus,
4203 machine_class->name, machine_class->min_cpus);
4204 exit(1);
4205 }
4206 if (max_cpus > machine_class->max_cpus) {
4207 error_report("Invalid SMP CPUs %d. The max CPUs "
4208 "supported by machine '%s' is %d", max_cpus,
4209 machine_class->name, machine_class->max_cpus);
4210 exit(1);
4211 }
4212
4213 /*
4214 * Get the default machine options from the machine if it is not already
4215 * specified either by the configuration file or by the command line.
4216 */
4217 if (machine_class->default_machine_opts) {
4218 qemu_opts_set_defaults(qemu_find_opts("machine"),
4219 machine_class->default_machine_opts, 0);
4220 }
4221
4222 qemu_opts_foreach(qemu_find_opts("device"),
4223 default_driver_check, NULL, NULL);
4224 qemu_opts_foreach(qemu_find_opts("global"),
4225 default_driver_check, NULL, NULL);
4226
4227 if (!vga_model && !default_vga) {
4228 vga_interface_type = VGA_DEVICE;
4229 }
4230 if (!has_defaults || machine_class->no_serial) {
4231 default_serial = 0;
4232 }
4233 if (!has_defaults || machine_class->no_parallel) {
4234 default_parallel = 0;
4235 }
4236 if (!has_defaults || !machine_class->use_virtcon) {
4237 default_virtcon = 0;
4238 }
4239 if (!has_defaults || !machine_class->use_sclp) {
4240 default_sclp = 0;
4241 }
4242 if (!has_defaults || machine_class->no_floppy) {
4243 default_floppy = 0;
4244 }
4245 if (!has_defaults || machine_class->no_cdrom) {
4246 default_cdrom = 0;
4247 }
4248 if (!has_defaults || machine_class->no_sdcard) {
4249 default_sdcard = 0;
4250 }
4251 if (!has_defaults) {
4252 default_monitor = 0;
4253 default_net = 0;
4254 default_vga = 0;
4255 }
4256
4257 if (is_daemonized()) {
4258 /* According to documentation and historically, -nographic redirects
4259 * serial port, parallel port and monitor to stdio, which does not work
4260 * with -daemonize. We can redirect these to null instead, but since
4261 * -nographic is legacy, let's just error out.
4262 * We disallow -nographic only if all other ports are not redirected
4263 * explicitly, to not break existing legacy setups which uses
4264 * -nographic _and_ redirects all ports explicitly - this is valid
4265 * usage, -nographic is just a no-op in this case.
4266 */
4267 if (nographic
4268 && (default_parallel || default_serial
4269 || default_monitor || default_virtcon)) {
4270 error_report("-nographic cannot be used with -daemonize");
4271 exit(1);
4272 }
4273 #ifdef CONFIG_CURSES
4274 if (display_type == DT_CURSES) {
4275 error_report("curses display cannot be used with -daemonize");
4276 exit(1);
4277 }
4278 #endif
4279 }
4280
4281 if (nographic) {
4282 if (default_parallel)
4283 add_device_config(DEV_PARALLEL, "null");
4284 if (default_serial && default_monitor) {
4285 add_device_config(DEV_SERIAL, "mon:stdio");
4286 } else if (default_virtcon && default_monitor) {
4287 add_device_config(DEV_VIRTCON, "mon:stdio");
4288 } else if (default_sclp && default_monitor) {
4289 add_device_config(DEV_SCLP, "mon:stdio");
4290 } else {
4291 if (default_serial)
4292 add_device_config(DEV_SERIAL, "stdio");
4293 if (default_virtcon)
4294 add_device_config(DEV_VIRTCON, "stdio");
4295 if (default_sclp) {
4296 add_device_config(DEV_SCLP, "stdio");
4297 }
4298 if (default_monitor)
4299 monitor_parse("stdio", "readline", false);
4300 }
4301 } else {
4302 if (default_serial)
4303 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4304 if (default_parallel)
4305 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4306 if (default_monitor)
4307 monitor_parse("vc:80Cx24C", "readline", false);
4308 if (default_virtcon)
4309 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4310 if (default_sclp) {
4311 add_device_config(DEV_SCLP, "vc:80Cx24C");
4312 }
4313 }
4314
4315 #if defined(CONFIG_VNC)
4316 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4317 display_remote++;
4318 }
4319 #endif
4320 if (display_type == DT_DEFAULT && !display_remote) {
4321 #if defined(CONFIG_GTK)
4322 display_type = DT_GTK;
4323 #elif defined(CONFIG_SDL)
4324 display_type = DT_SDL;
4325 #elif defined(CONFIG_COCOA)
4326 display_type = DT_COCOA;
4327 #elif defined(CONFIG_VNC)
4328 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4329 #else
4330 display_type = DT_NONE;
4331 #endif
4332 }
4333
4334 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4335 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4336 "for SDL, ignoring option");
4337 }
4338 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4339 error_report("-no-quit is only valid for GTK and SDL, "
4340 "ignoring option");
4341 }
4342
4343 if (display_type == DT_GTK) {
4344 early_gtk_display_init(request_opengl);
4345 }
4346
4347 if (display_type == DT_SDL) {
4348 sdl_display_early_init(request_opengl);
4349 }
4350
4351 qemu_console_early_init();
4352
4353 if (request_opengl == 1 && display_opengl == 0) {
4354 #if defined(CONFIG_OPENGL)
4355 error_report("OpenGL is not supported by the display");
4356 #else
4357 error_report("OpenGL support is disabled");
4358 #endif
4359 exit(1);
4360 }
4361
4362 page_size_init();
4363 socket_init();
4364
4365 if (qemu_opts_foreach(qemu_find_opts("object"),
4366 user_creatable_add_opts_foreach,
4367 object_create_initial, NULL)) {
4368 exit(1);
4369 }
4370
4371 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4372 chardev_init_func, NULL, NULL)) {
4373 exit(1);
4374 }
4375
4376 #ifdef CONFIG_VIRTFS
4377 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4378 fsdev_init_func, NULL, NULL)) {
4379 exit(1);
4380 }
4381 #endif
4382
4383 if (qemu_opts_foreach(qemu_find_opts("device"),
4384 device_help_func, NULL, NULL)) {
4385 exit(0);
4386 }
4387
4388 machine_opts = qemu_get_machine_opts();
4389 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4390 NULL)) {
4391 object_unref(OBJECT(current_machine));
4392 exit(1);
4393 }
4394
4395 configure_accelerator(current_machine);
4396
4397 /*
4398 * Register all the global properties, including accel properties,
4399 * machine properties, and user-specified ones.
4400 */
4401 register_global_properties(current_machine);
4402
4403 /*
4404 * Migration object can only be created after global properties
4405 * are applied correctly.
4406 */
4407 migration_object_init();
4408
4409 if (qtest_chrdev) {
4410 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4411 }
4412
4413 machine_opts = qemu_get_machine_opts();
4414 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4415 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4416 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4417 bios_name = qemu_opt_get(machine_opts, "firmware");
4418
4419 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4420 if (opts) {
4421 boot_order = qemu_opt_get(opts, "order");
4422 if (boot_order) {
4423 validate_bootdevices(boot_order, &error_fatal);
4424 }
4425
4426 boot_once = qemu_opt_get(opts, "once");
4427 if (boot_once) {
4428 validate_bootdevices(boot_once, &error_fatal);
4429 }
4430
4431 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4432 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4433 }
4434
4435 if (!boot_order) {
4436 boot_order = machine_class->default_boot_order;
4437 }
4438
4439 if (!kernel_cmdline) {
4440 kernel_cmdline = "";
4441 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4442 }
4443
4444 linux_boot = (kernel_filename != NULL);
4445
4446 if (!linux_boot && *kernel_cmdline != '\0') {
4447 error_report("-append only allowed with -kernel option");
4448 exit(1);
4449 }
4450
4451 if (!linux_boot && initrd_filename != NULL) {
4452 error_report("-initrd only allowed with -kernel option");
4453 exit(1);
4454 }
4455
4456 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4457 /* fall back to the -kernel/-append */
4458 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4459 }
4460
4461 os_set_line_buffering();
4462
4463 /* spice needs the timers to be initialized by this point */
4464 qemu_spice_init();
4465
4466 cpu_ticks_init();
4467 if (icount_opts) {
4468 if (!tcg_enabled()) {
4469 error_report("-icount is not allowed with hardware virtualization");
4470 exit(1);
4471 }
4472 configure_icount(icount_opts, &error_abort);
4473 qemu_opts_del(icount_opts);
4474 }
4475
4476 if (tcg_enabled()) {
4477 qemu_tcg_configure(accel_opts, &error_fatal);
4478 }
4479
4480 if (default_net) {
4481 QemuOptsList *net = qemu_find_opts("net");
4482 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4483 #ifdef CONFIG_SLIRP
4484 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4485 #endif
4486 }
4487
4488 colo_info_init();
4489
4490 if (net_init_clients() < 0) {
4491 exit(1);
4492 }
4493
4494 if (qemu_opts_foreach(qemu_find_opts("object"),
4495 user_creatable_add_opts_foreach,
4496 object_create_delayed, NULL)) {
4497 exit(1);
4498 }
4499
4500 if (tpm_init() < 0) {
4501 exit(1);
4502 }
4503
4504 /* init the bluetooth world */
4505 if (foreach_device_config(DEV_BT, bt_parse))
4506 exit(1);
4507
4508 if (!xen_enabled()) {
4509 /* On 32-bit hosts, QEMU is limited by virtual address space */
4510 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4511 error_report("at most 2047 MB RAM can be simulated");
4512 exit(1);
4513 }
4514 }
4515
4516 blk_mig_init();
4517 ram_mig_init();
4518
4519 /* If the currently selected machine wishes to override the units-per-bus
4520 * property of its default HBA interface type, do so now. */
4521 if (machine_class->units_per_default_bus) {
4522 override_max_devs(machine_class->block_default_type,
4523 machine_class->units_per_default_bus);
4524 }
4525
4526 /* open the virtual block devices */
4527 while (!QSIMPLEQ_EMPTY(&bdo_queue)) {
4528 BlockdevOptions_queue *bdo = QSIMPLEQ_FIRST(&bdo_queue);
4529
4530 QSIMPLEQ_REMOVE_HEAD(&bdo_queue, entry);
4531 loc_push_restore(&bdo->loc);
4532 qmp_blockdev_add(bdo->bdo, &error_fatal);
4533 loc_pop(&bdo->loc);
4534 qapi_free_BlockdevOptions(bdo->bdo);
4535 g_free(bdo);
4536 }
4537 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4538 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4539 NULL, NULL);
4540 }
4541 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4542 &machine_class->block_default_type, NULL)) {
4543 exit(1);
4544 }
4545
4546 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4547 CDROM_OPTS);
4548 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4549 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4550
4551 if (qemu_opts_foreach(qemu_find_opts("mon"),
4552 mon_init_func, NULL, NULL)) {
4553 exit(1);
4554 }
4555
4556 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4557 exit(1);
4558 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4559 exit(1);
4560 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4561 exit(1);
4562 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4563 exit(1);
4564 }
4565 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4566 exit(1);
4567
4568 /* If no default VGA is requested, the default is "none". */
4569 if (default_vga) {
4570 if (machine_class->default_display) {
4571 vga_model = machine_class->default_display;
4572 } else if (vga_interface_available(VGA_CIRRUS)) {
4573 vga_model = "cirrus";
4574 } else if (vga_interface_available(VGA_STD)) {
4575 vga_model = "std";
4576 }
4577 }
4578 if (vga_model) {
4579 select_vgahw(vga_model);
4580 }
4581
4582 if (watchdog) {
4583 i = select_watchdog(watchdog);
4584 if (i > 0)
4585 exit (i == 1 ? 1 : 0);
4586 }
4587
4588 /* This checkpoint is required by replay to separate prior clock
4589 reading from the other reads, because timer polling functions query
4590 clock values from the log. */
4591 replay_checkpoint(CHECKPOINT_INIT);
4592 qdev_machine_init();
4593
4594 current_machine->ram_size = ram_size;
4595 current_machine->maxram_size = maxram_size;
4596 current_machine->ram_slots = ram_slots;
4597 current_machine->boot_order = boot_order;
4598 current_machine->cpu_model = cpu_model;
4599
4600 /* parse features once if machine provides default cpu_type */
4601 if (machine_class->default_cpu_type) {
4602 current_machine->cpu_type = machine_class->default_cpu_type;
4603 if (cpu_model) {
4604 current_machine->cpu_type =
4605 cpu_parse_cpu_model(machine_class->default_cpu_type, cpu_model);
4606 }
4607 }
4608 parse_numa_opts(current_machine);
4609
4610 machine_run_board_init(current_machine);
4611
4612 realtime_init();
4613
4614 soundhw_init();
4615
4616 if (hax_enabled()) {
4617 hax_sync_vcpus();
4618 }
4619
4620 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4621 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4622 exit(1);
4623 }
4624
4625 /* init USB devices */
4626 if (machine_usb(current_machine)) {
4627 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4628 exit(1);
4629 }
4630
4631 /* Check if IGD GFX passthrough. */
4632 igd_gfx_passthru();
4633
4634 /* init generic devices */
4635 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4636 if (qemu_opts_foreach(qemu_find_opts("device"),
4637 device_init_func, NULL, NULL)) {
4638 exit(1);
4639 }
4640
4641 cpu_synchronize_all_post_init();
4642
4643 rom_reset_order_override();
4644
4645 /*
4646 * Create frontends for -drive if=scsi leftovers.
4647 * Normally, frontends for -drive get created by machine
4648 * initialization for onboard SCSI HBAs. However, we create a few
4649 * more ever since SCSI qdevification, but this is pretty much an
4650 * implementation accident, and deprecated.
4651 */
4652 scsi_legacy_handle_cmdline();
4653
4654 /* Did we create any drives that we failed to create a device for? */
4655 drive_check_orphaned();
4656
4657 /* Don't warn about the default network setup that you get if
4658 * no command line -net or -netdev options are specified. There
4659 * are two cases that we would otherwise complain about:
4660 * (1) board doesn't support a NIC but the implicit "-net nic"
4661 * requested one
4662 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4663 * sets up a nic that isn't connected to anything.
4664 */
4665 if (!default_net) {
4666 net_check_clients();
4667 }
4668
4669
4670 if (boot_once) {
4671 qemu_boot_set(boot_once, &error_fatal);
4672 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4673 }
4674
4675 ds = init_displaystate();
4676
4677 /* init local displays */
4678 switch (display_type) {
4679 case DT_CURSES:
4680 curses_display_init(ds, full_screen);
4681 break;
4682 case DT_SDL:
4683 sdl_display_init(ds, full_screen);
4684 break;
4685 case DT_COCOA:
4686 cocoa_display_init(ds, full_screen);
4687 break;
4688 case DT_GTK:
4689 gtk_display_init(ds, full_screen, grab_on_hover);
4690 break;
4691 default:
4692 break;
4693 }
4694
4695 /* must be after terminal init, SDL library changes signal handlers */
4696 os_setup_signal_handling();
4697
4698 /* init remote displays */
4699 #ifdef CONFIG_VNC
4700 qemu_opts_foreach(qemu_find_opts("vnc"),
4701 vnc_init_func, NULL, NULL);
4702 #endif
4703
4704 if (using_spice) {
4705 qemu_spice_display_init();
4706 }
4707
4708 #ifdef CONFIG_OPENGL_DMABUF
4709 if (display_type == DT_EGL) {
4710 egl_headless_init();
4711 }
4712 #endif
4713
4714 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4715 exit(1);
4716 }
4717
4718 qdev_machine_creation_done();
4719
4720 /* TODO: once all bus devices are qdevified, this should be done
4721 * when bus is created by qdev.c */
4722 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4723 qemu_run_machine_init_done_notifiers();
4724
4725 if (rom_check_and_register_reset() != 0) {
4726 error_report("rom check and register reset failed");
4727 exit(1);
4728 }
4729
4730 replay_start();
4731
4732 /* This checkpoint is required by replay to separate prior clock
4733 reading from the other reads, because timer polling functions query
4734 clock values from the log. */
4735 replay_checkpoint(CHECKPOINT_RESET);
4736 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
4737 register_global_state();
4738 if (replay_mode != REPLAY_MODE_NONE) {
4739 replay_vmstate_init();
4740 } else if (loadvm) {
4741 Error *local_err = NULL;
4742 if (load_snapshot(loadvm, &local_err) < 0) {
4743 error_report_err(local_err);
4744 autostart = 0;
4745 }
4746 }
4747
4748 qdev_prop_check_globals();
4749 if (vmstate_dump_file) {
4750 /* dump and exit */
4751 dump_vmstate_json_to_file(vmstate_dump_file);
4752 return 0;
4753 }
4754
4755 if (incoming) {
4756 Error *local_err = NULL;
4757 qemu_start_incoming_migration(incoming, &local_err);
4758 if (local_err) {
4759 error_reportf_err(local_err, "-incoming %s: ", incoming);
4760 exit(1);
4761 }
4762 } else if (autostart) {
4763 vm_start();
4764 }
4765
4766 os_setup_post();
4767
4768 main_loop();
4769 replay_disable_events();
4770 iothread_stop_all();
4771
4772 pause_all_vcpus();
4773 bdrv_close_all();
4774 res_free();
4775
4776 /* vhost-user must be cleaned up before chardevs. */
4777 tpm_cleanup();
4778 net_cleanup();
4779 audio_cleanup();
4780 monitor_cleanup();
4781 qemu_chr_cleanup();
4782 user_creatable_cleanup();
4783 migration_object_finalize();
4784 /* TODO: unref root container, check all devices are ok */
4785
4786 return 0;
4787 }
AR7 emulation for QEMU