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fix mc146818rtc wrong subsection name to avoid vmstate_subsection_load() fail
[qemu/qmp-unstable.git] / vl.c
blob91411c1fa86e12139fe55c0c9995eb320eb84866
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include <unistd.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <time.h>
28 #include <errno.h>
29 #include <sys/time.h>
30
31 #include "config-host.h"
32
33 #ifdef CONFIG_SECCOMP
34 #include "sysemu/seccomp.h"
35 #endif
36
37 #if defined(CONFIG_VDE)
38 #include <libvdeplug.h>
39 #endif
40
41 #ifdef CONFIG_SDL
42 #if defined(__APPLE__) || defined(main)
43 #include <SDL.h>
44 int qemu_main(int argc, char **argv, char **envp);
45 int main(int argc, char **argv)
46 {
47 return qemu_main(argc, argv, NULL);
48 }
49 #undef main
50 #define main qemu_main
51 #endif
52 #endif /* CONFIG_SDL */
53
54 #ifdef CONFIG_COCOA
55 #undef main
56 #define main qemu_main
57 #endif /* CONFIG_COCOA */
58
59 #include <glib.h>
60
61 #include "qemu/sockets.h"
62 #include "hw/hw.h"
63 #include "hw/boards.h"
64 #include "sysemu/accel.h"
65 #include "hw/usb.h"
66 #include "hw/i386/pc.h"
67 #include "hw/isa/isa.h"
68 #include "hw/bt.h"
69 #include "sysemu/watchdog.h"
70 #include "hw/i386/smbios.h"
71 #include "hw/xen/xen.h"
72 #include "hw/qdev.h"
73 #include "hw/loader.h"
74 #include "monitor/qdev.h"
75 #include "sysemu/bt.h"
76 #include "net/net.h"
77 #include "net/slirp.h"
78 #include "monitor/monitor.h"
79 #include "ui/console.h"
80 #include "sysemu/sysemu.h"
81 #include "exec/gdbstub.h"
82 #include "qemu/timer.h"
83 #include "sysemu/char.h"
84 #include "qemu/bitmap.h"
85 #include "sysemu/blockdev.h"
86 #include "hw/block/block.h"
87 #include "migration/block.h"
88 #include "sysemu/tpm.h"
89 #include "sysemu/dma.h"
90 #include "audio/audio.h"
91 #include "migration/migration.h"
92 #include "sysemu/kvm.h"
93 #include "qapi/qmp/qjson.h"
94 #include "qemu/option.h"
95 #include "qemu/config-file.h"
96 #include "qemu-options.h"
97 #include "qmp-commands.h"
98 #include "qemu/main-loop.h"
99 #ifdef CONFIG_VIRTFS
100 #include "fsdev/qemu-fsdev.h"
101 #endif
102 #include "sysemu/qtest.h"
103
104 #include "disas/disas.h"
105
106
107 #include "slirp/libslirp.h"
108
109 #include "trace.h"
110 #include "trace/control.h"
111 #include "qemu/queue.h"
112 #include "sysemu/cpus.h"
113 #include "sysemu/arch_init.h"
114 #include "qemu/osdep.h"
115
116 #include "ui/qemu-spice.h"
117 #include "qapi/string-input-visitor.h"
118 #include "qapi/opts-visitor.h"
119 #include "qom/object_interfaces.h"
120 #include "qapi-event.h"
121
122 #define DEFAULT_RAM_SIZE 128
123
124 #define MAX_VIRTIO_CONSOLES 1
125 #define MAX_SCLP_CONSOLES 1
126
127 static const char *data_dir[16];
128 static int data_dir_idx;
129 const char *bios_name = NULL;
130 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
131 DisplayType display_type = DT_DEFAULT;
132 static int display_remote;
133 const char* keyboard_layout = NULL;
134 ram_addr_t ram_size;
135 const char *mem_path = NULL;
136 int mem_prealloc = 0; /* force preallocation of physical target memory */
137 bool enable_mlock = false;
138 int nb_nics;
139 NICInfo nd_table[MAX_NICS];
140 int autostart;
141 static int rtc_utc = 1;
142 static int rtc_date_offset = -1; /* -1 means no change */
143 QEMUClockType rtc_clock;
144 int vga_interface_type = VGA_NONE;
145 static int full_screen = 0;
146 static int no_frame = 0;
147 int no_quit = 0;
148 #ifdef CONFIG_GTK
149 static bool grab_on_hover;
150 #endif
151 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
152 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
153 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
154 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
155 int win2k_install_hack = 0;
156 int singlestep = 0;
157 int smp_cpus = 1;
158 int max_cpus = 0;
159 int smp_cores = 1;
160 int smp_threads = 1;
161 #ifdef CONFIG_VNC
162 const char *vnc_display;
163 #endif
164 int acpi_enabled = 1;
165 int no_hpet = 0;
166 int fd_bootchk = 1;
167 static int no_reboot;
168 int no_shutdown = 0;
169 int cursor_hide = 1;
170 int graphic_rotate = 0;
171 const char *watchdog;
172 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
173 int nb_option_roms;
174 int semihosting_enabled = 0;
175 int old_param = 0;
176 const char *qemu_name;
177 int alt_grab = 0;
178 int ctrl_grab = 0;
179 unsigned int nb_prom_envs = 0;
180 const char *prom_envs[MAX_PROM_ENVS];
181 int boot_menu;
182 bool boot_strict;
183 uint8_t *boot_splash_filedata;
184 size_t boot_splash_filedata_size;
185 uint8_t qemu_extra_params_fw[2];
186
187 int icount_align_option;
188
189 int nb_numa_nodes;
190 int max_numa_nodeid;
191 NodeInfo numa_info[MAX_NODES];
192
193 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
194 * little-endian "wire format" described in the SMBIOS 2.6 specification.
195 */
196 uint8_t qemu_uuid[16];
197 bool qemu_uuid_set;
198
199 static QEMUBootSetHandler *boot_set_handler;
200 static void *boot_set_opaque;
201
202 static NotifierList exit_notifiers =
203 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
204
205 static NotifierList machine_init_done_notifiers =
206 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
207
208 bool xen_allowed;
209 uint32_t xen_domid;
210 enum xen_mode xen_mode = XEN_EMULATE;
211
212 static int has_defaults = 1;
213 static int default_serial = 1;
214 static int default_parallel = 1;
215 static int default_virtcon = 1;
216 static int default_sclp = 1;
217 static int default_monitor = 1;
218 static int default_floppy = 1;
219 static int default_cdrom = 1;
220 static int default_sdcard = 1;
221 static int default_vga = 1;
222
223 static struct {
224 const char *driver;
225 int *flag;
226 } default_list[] = {
227 { .driver = "isa-serial", .flag = &default_serial },
228 { .driver = "isa-parallel", .flag = &default_parallel },
229 { .driver = "isa-fdc", .flag = &default_floppy },
230 { .driver = "ide-cd", .flag = &default_cdrom },
231 { .driver = "ide-hd", .flag = &default_cdrom },
232 { .driver = "ide-drive", .flag = &default_cdrom },
233 { .driver = "scsi-cd", .flag = &default_cdrom },
234 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
235 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
236 { .driver = "virtio-serial", .flag = &default_virtcon },
237 { .driver = "VGA", .flag = &default_vga },
238 { .driver = "isa-vga", .flag = &default_vga },
239 { .driver = "cirrus-vga", .flag = &default_vga },
240 { .driver = "isa-cirrus-vga", .flag = &default_vga },
241 { .driver = "vmware-svga", .flag = &default_vga },
242 { .driver = "qxl-vga", .flag = &default_vga },
243 };
244
245 static QemuOptsList qemu_rtc_opts = {
246 .name = "rtc",
247 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
248 .desc = {
249 {
250 .name = "base",
251 .type = QEMU_OPT_STRING,
252 },{
253 .name = "clock",
254 .type = QEMU_OPT_STRING,
255 },{
256 .name = "driftfix",
257 .type = QEMU_OPT_STRING,
258 },
259 { /* end of list */ }
260 },
261 };
262
263 static QemuOptsList qemu_sandbox_opts = {
264 .name = "sandbox",
265 .implied_opt_name = "enable",
266 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
267 .desc = {
268 {
269 .name = "enable",
270 .type = QEMU_OPT_BOOL,
271 },
272 { /* end of list */ }
273 },
274 };
275
276 static QemuOptsList qemu_trace_opts = {
277 .name = "trace",
278 .implied_opt_name = "trace",
279 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
280 .desc = {
281 {
282 .name = "events",
283 .type = QEMU_OPT_STRING,
284 },{
285 .name = "file",
286 .type = QEMU_OPT_STRING,
287 },
288 { /* end of list */ }
289 },
290 };
291
292 static QemuOptsList qemu_option_rom_opts = {
293 .name = "option-rom",
294 .implied_opt_name = "romfile",
295 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
296 .desc = {
297 {
298 .name = "bootindex",
299 .type = QEMU_OPT_NUMBER,
300 }, {
301 .name = "romfile",
302 .type = QEMU_OPT_STRING,
303 },
304 { /* end of list */ }
305 },
306 };
307
308 static QemuOptsList qemu_machine_opts = {
309 .name = "machine",
310 .implied_opt_name = "type",
311 .merge_lists = true,
312 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
313 .desc = {
314 {
315 .name = "type",
316 .type = QEMU_OPT_STRING,
317 .help = "emulated machine"
318 }, {
319 .name = "accel",
320 .type = QEMU_OPT_STRING,
321 .help = "accelerator list",
322 }, {
323 .name = "kernel_irqchip",
324 .type = QEMU_OPT_BOOL,
325 .help = "use KVM in-kernel irqchip",
326 }, {
327 .name = "kvm_shadow_mem",
328 .type = QEMU_OPT_SIZE,
329 .help = "KVM shadow MMU size",
330 }, {
331 .name = "kernel",
332 .type = QEMU_OPT_STRING,
333 .help = "Linux kernel image file",
334 }, {
335 .name = "initrd",
336 .type = QEMU_OPT_STRING,
337 .help = "Linux initial ramdisk file",
338 }, {
339 .name = "append",
340 .type = QEMU_OPT_STRING,
341 .help = "Linux kernel command line",
342 }, {
343 .name = "dtb",
344 .type = QEMU_OPT_STRING,
345 .help = "Linux kernel device tree file",
346 }, {
347 .name = "dumpdtb",
348 .type = QEMU_OPT_STRING,
349 .help = "Dump current dtb to a file and quit",
350 }, {
351 .name = "phandle_start",
352 .type = QEMU_OPT_NUMBER,
353 .help = "The first phandle ID we may generate dynamically",
354 }, {
355 .name = "dt_compatible",
356 .type = QEMU_OPT_STRING,
357 .help = "Overrides the \"compatible\" property of the dt root node",
358 }, {
359 .name = "dump-guest-core",
360 .type = QEMU_OPT_BOOL,
361 .help = "Include guest memory in a core dump",
362 }, {
363 .name = "mem-merge",
364 .type = QEMU_OPT_BOOL,
365 .help = "enable/disable memory merge support",
366 },{
367 .name = "usb",
368 .type = QEMU_OPT_BOOL,
369 .help = "Set on/off to enable/disable usb",
370 },{
371 .name = "firmware",
372 .type = QEMU_OPT_STRING,
373 .help = "firmware image",
374 },{
375 .name = "kvm-type",
376 .type = QEMU_OPT_STRING,
377 .help = "Specifies the KVM virtualization mode (HV, PR)",
378 },{
379 .name = PC_MACHINE_MAX_RAM_BELOW_4G,
380 .type = QEMU_OPT_SIZE,
381 .help = "maximum ram below the 4G boundary (32bit boundary)",
382 }, {
383 .name = PC_MACHINE_VMPORT,
384 .type = QEMU_OPT_STRING,
385 .help = "Enable vmport (pc & q35)",
386 },{
387 .name = "iommu",
388 .type = QEMU_OPT_BOOL,
389 .help = "Set on/off to enable/disable Intel IOMMU (VT-d)",
390 },
391 { /* End of list */ }
392 },
393 };
394
395 static QemuOptsList qemu_boot_opts = {
396 .name = "boot-opts",
397 .implied_opt_name = "order",
398 .merge_lists = true,
399 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
400 .desc = {
401 {
402 .name = "order",
403 .type = QEMU_OPT_STRING,
404 }, {
405 .name = "once",
406 .type = QEMU_OPT_STRING,
407 }, {
408 .name = "menu",
409 .type = QEMU_OPT_BOOL,
410 }, {
411 .name = "splash",
412 .type = QEMU_OPT_STRING,
413 }, {
414 .name = "splash-time",
415 .type = QEMU_OPT_STRING,
416 }, {
417 .name = "reboot-timeout",
418 .type = QEMU_OPT_STRING,
419 }, {
420 .name = "strict",
421 .type = QEMU_OPT_BOOL,
422 },
423 { /*End of list */ }
424 },
425 };
426
427 static QemuOptsList qemu_add_fd_opts = {
428 .name = "add-fd",
429 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
430 .desc = {
431 {
432 .name = "fd",
433 .type = QEMU_OPT_NUMBER,
434 .help = "file descriptor of which a duplicate is added to fd set",
435 },{
436 .name = "set",
437 .type = QEMU_OPT_NUMBER,
438 .help = "ID of the fd set to add fd to",
439 },{
440 .name = "opaque",
441 .type = QEMU_OPT_STRING,
442 .help = "free-form string used to describe fd",
443 },
444 { /* end of list */ }
445 },
446 };
447
448 static QemuOptsList qemu_object_opts = {
449 .name = "object",
450 .implied_opt_name = "qom-type",
451 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
452 .desc = {
453 { }
454 },
455 };
456
457 static QemuOptsList qemu_tpmdev_opts = {
458 .name = "tpmdev",
459 .implied_opt_name = "type",
460 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
461 .desc = {
462 /* options are defined in the TPM backends */
463 { /* end of list */ }
464 },
465 };
466
467 static QemuOptsList qemu_realtime_opts = {
468 .name = "realtime",
469 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
470 .desc = {
471 {
472 .name = "mlock",
473 .type = QEMU_OPT_BOOL,
474 },
475 { /* end of list */ }
476 },
477 };
478
479 static QemuOptsList qemu_msg_opts = {
480 .name = "msg",
481 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
482 .desc = {
483 {
484 .name = "timestamp",
485 .type = QEMU_OPT_BOOL,
486 },
487 { /* end of list */ }
488 },
489 };
490
491 static QemuOptsList qemu_name_opts = {
492 .name = "name",
493 .implied_opt_name = "guest",
494 .merge_lists = true,
495 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
496 .desc = {
497 {
498 .name = "guest",
499 .type = QEMU_OPT_STRING,
500 .help = "Sets the name of the guest.\n"
501 "This name will be displayed in the SDL window caption.\n"
502 "The name will also be used for the VNC server",
503 }, {
504 .name = "process",
505 .type = QEMU_OPT_STRING,
506 .help = "Sets the name of the QEMU process, as shown in top etc",
507 }, {
508 .name = "debug-threads",
509 .type = QEMU_OPT_BOOL,
510 .help = "When enabled, name the individual threads; defaults off.\n"
511 "NOTE: The thread names are for debugging and not a\n"
512 "stable API.",
513 },
514 { /* End of list */ }
515 },
516 };
517
518 static QemuOptsList qemu_mem_opts = {
519 .name = "memory",
520 .implied_opt_name = "size",
521 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
522 .merge_lists = true,
523 .desc = {
524 {
525 .name = "size",
526 .type = QEMU_OPT_SIZE,
527 },
528 {
529 .name = "slots",
530 .type = QEMU_OPT_NUMBER,
531 },
532 {
533 .name = "maxmem",
534 .type = QEMU_OPT_SIZE,
535 },
536 { /* end of list */ }
537 },
538 };
539
540 static QemuOptsList qemu_icount_opts = {
541 .name = "icount",
542 .implied_opt_name = "shift",
543 .merge_lists = true,
544 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
545 .desc = {
546 {
547 .name = "shift",
548 .type = QEMU_OPT_STRING,
549 }, {
550 .name = "align",
551 .type = QEMU_OPT_BOOL,
552 },
553 { /* end of list */ }
554 },
555 };
556
557 /**
558 * Get machine options
559 *
560 * Returns: machine options (never null).
561 */
562 QemuOpts *qemu_get_machine_opts(void)
563 {
564 return qemu_find_opts_singleton("machine");
565 }
566
567 const char *qemu_get_vm_name(void)
568 {
569 return qemu_name;
570 }
571
572 static void res_free(void)
573 {
574 if (boot_splash_filedata != NULL) {
575 g_free(boot_splash_filedata);
576 boot_splash_filedata = NULL;
577 }
578 }
579
580 static int default_driver_check(QemuOpts *opts, void *opaque)
581 {
582 const char *driver = qemu_opt_get(opts, "driver");
583 int i;
584
585 if (!driver)
586 return 0;
587 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
588 if (strcmp(default_list[i].driver, driver) != 0)
589 continue;
590 *(default_list[i].flag) = 0;
591 }
592 return 0;
593 }
594
595 /***********************************************************/
596 /* QEMU state */
597
598 static RunState current_run_state = RUN_STATE_PRELAUNCH;
599
600 /* We use RUN_STATE_MAX but any invalid value will do */
601 static RunState vmstop_requested = RUN_STATE_MAX;
602 static QemuMutex vmstop_lock;
603
604 typedef struct {
605 RunState from;
606 RunState to;
607 } RunStateTransition;
608
609 static const RunStateTransition runstate_transitions_def[] = {
610 /* from -> to */
611 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
612 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
613
614 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
615 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
616
617 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
618 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
619
620 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
621 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
622
623 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
624 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
625
626 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
627 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
628
629 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
630 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
631 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
632
633 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
634 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
635
636 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
637
638 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
639 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
640 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
641 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
642 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
643 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
644 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
645 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
646 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
647 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
648
649 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
650
651 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
652 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
653
654 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
655 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
656 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
657 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
658
659 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
660 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
661
662 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
663 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
664
665 { RUN_STATE_MAX, RUN_STATE_MAX },
666 };
667
668 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
669
670 bool runstate_check(RunState state)
671 {
672 return current_run_state == state;
673 }
674
675 static void runstate_init(void)
676 {
677 const RunStateTransition *p;
678
679 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
680 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
681 runstate_valid_transitions[p->from][p->to] = true;
682 }
683
684 qemu_mutex_init(&vmstop_lock);
685 }
686
687 /* This function will abort() on invalid state transitions */
688 void runstate_set(RunState new_state)
689 {
690 assert(new_state < RUN_STATE_MAX);
691
692 if (!runstate_valid_transitions[current_run_state][new_state]) {
693 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
694 RunState_lookup[current_run_state],
695 RunState_lookup[new_state]);
696 abort();
697 }
698 trace_runstate_set(new_state);
699 current_run_state = new_state;
700 }
701
702 int runstate_is_running(void)
703 {
704 return runstate_check(RUN_STATE_RUNNING);
705 }
706
707 bool runstate_needs_reset(void)
708 {
709 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
710 runstate_check(RUN_STATE_SHUTDOWN);
711 }
712
713 StatusInfo *qmp_query_status(Error **errp)
714 {
715 StatusInfo *info = g_malloc0(sizeof(*info));
716
717 info->running = runstate_is_running();
718 info->singlestep = singlestep;
719 info->status = current_run_state;
720
721 return info;
722 }
723
724 static bool qemu_vmstop_requested(RunState *r)
725 {
726 qemu_mutex_lock(&vmstop_lock);
727 *r = vmstop_requested;
728 vmstop_requested = RUN_STATE_MAX;
729 qemu_mutex_unlock(&vmstop_lock);
730 return *r < RUN_STATE_MAX;
731 }
732
733 void qemu_system_vmstop_request_prepare(void)
734 {
735 qemu_mutex_lock(&vmstop_lock);
736 }
737
738 void qemu_system_vmstop_request(RunState state)
739 {
740 vmstop_requested = state;
741 qemu_mutex_unlock(&vmstop_lock);
742 qemu_notify_event();
743 }
744
745 void vm_start(void)
746 {
747 RunState requested;
748
749 qemu_vmstop_requested(&requested);
750 if (runstate_is_running() && requested == RUN_STATE_MAX) {
751 return;
752 }
753
754 /* Ensure that a STOP/RESUME pair of events is emitted if a
755 * vmstop request was pending. The BLOCK_IO_ERROR event, for
756 * example, according to documentation is always followed by
757 * the STOP event.
758 */
759 if (runstate_is_running()) {
760 qapi_event_send_stop(&error_abort);
761 } else {
762 cpu_enable_ticks();
763 runstate_set(RUN_STATE_RUNNING);
764 vm_state_notify(1, RUN_STATE_RUNNING);
765 resume_all_vcpus();
766 }
767
768 qapi_event_send_resume(&error_abort);
769 }
770
771
772 /***********************************************************/
773 /* real time host monotonic timer */
774
775 /***********************************************************/
776 /* host time/date access */
777 void qemu_get_timedate(struct tm *tm, int offset)
778 {
779 time_t ti;
780
781 time(&ti);
782 ti += offset;
783 if (rtc_date_offset == -1) {
784 if (rtc_utc)
785 gmtime_r(&ti, tm);
786 else
787 localtime_r(&ti, tm);
788 } else {
789 ti -= rtc_date_offset;
790 gmtime_r(&ti, tm);
791 }
792 }
793
794 int qemu_timedate_diff(struct tm *tm)
795 {
796 time_t seconds;
797
798 if (rtc_date_offset == -1)
799 if (rtc_utc)
800 seconds = mktimegm(tm);
801 else {
802 struct tm tmp = *tm;
803 tmp.tm_isdst = -1; /* use timezone to figure it out */
804 seconds = mktime(&tmp);
805 }
806 else
807 seconds = mktimegm(tm) + rtc_date_offset;
808
809 return seconds - time(NULL);
810 }
811
812 static void configure_rtc_date_offset(const char *startdate, int legacy)
813 {
814 time_t rtc_start_date;
815 struct tm tm;
816
817 if (!strcmp(startdate, "now") && legacy) {
818 rtc_date_offset = -1;
819 } else {
820 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
821 &tm.tm_year,
822 &tm.tm_mon,
823 &tm.tm_mday,
824 &tm.tm_hour,
825 &tm.tm_min,
826 &tm.tm_sec) == 6) {
827 /* OK */
828 } else if (sscanf(startdate, "%d-%d-%d",
829 &tm.tm_year,
830 &tm.tm_mon,
831 &tm.tm_mday) == 3) {
832 tm.tm_hour = 0;
833 tm.tm_min = 0;
834 tm.tm_sec = 0;
835 } else {
836 goto date_fail;
837 }
838 tm.tm_year -= 1900;
839 tm.tm_mon--;
840 rtc_start_date = mktimegm(&tm);
841 if (rtc_start_date == -1) {
842 date_fail:
843 fprintf(stderr, "Invalid date format. Valid formats are:\n"
844 "'2006-06-17T16:01:21' or '2006-06-17'\n");
845 exit(1);
846 }
847 rtc_date_offset = time(NULL) - rtc_start_date;
848 }
849 }
850
851 static void configure_rtc(QemuOpts *opts)
852 {
853 const char *value;
854
855 value = qemu_opt_get(opts, "base");
856 if (value) {
857 if (!strcmp(value, "utc")) {
858 rtc_utc = 1;
859 } else if (!strcmp(value, "localtime")) {
860 rtc_utc = 0;
861 } else {
862 configure_rtc_date_offset(value, 0);
863 }
864 }
865 value = qemu_opt_get(opts, "clock");
866 if (value) {
867 if (!strcmp(value, "host")) {
868 rtc_clock = QEMU_CLOCK_HOST;
869 } else if (!strcmp(value, "rt")) {
870 rtc_clock = QEMU_CLOCK_REALTIME;
871 } else if (!strcmp(value, "vm")) {
872 rtc_clock = QEMU_CLOCK_VIRTUAL;
873 } else {
874 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
875 exit(1);
876 }
877 }
878 value = qemu_opt_get(opts, "driftfix");
879 if (value) {
880 if (!strcmp(value, "slew")) {
881 static GlobalProperty slew_lost_ticks[] = {
882 {
883 .driver = "mc146818rtc",
884 .property = "lost_tick_policy",
885 .value = "slew",
886 },
887 { /* end of list */ }
888 };
889
890 qdev_prop_register_global_list(slew_lost_ticks);
891 } else if (!strcmp(value, "none")) {
892 /* discard is default */
893 } else {
894 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
895 exit(1);
896 }
897 }
898 }
899
900 /***********************************************************/
901 /* Bluetooth support */
902 static int nb_hcis;
903 static int cur_hci;
904 static struct HCIInfo *hci_table[MAX_NICS];
905
906 struct HCIInfo *qemu_next_hci(void)
907 {
908 if (cur_hci == nb_hcis)
909 return &null_hci;
910
911 return hci_table[cur_hci++];
912 }
913
914 static int bt_hci_parse(const char *str)
915 {
916 struct HCIInfo *hci;
917 bdaddr_t bdaddr;
918
919 if (nb_hcis >= MAX_NICS) {
920 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
921 return -1;
922 }
923
924 hci = hci_init(str);
925 if (!hci)
926 return -1;
927
928 bdaddr.b[0] = 0x52;
929 bdaddr.b[1] = 0x54;
930 bdaddr.b[2] = 0x00;
931 bdaddr.b[3] = 0x12;
932 bdaddr.b[4] = 0x34;
933 bdaddr.b[5] = 0x56 + nb_hcis;
934 hci->bdaddr_set(hci, bdaddr.b);
935
936 hci_table[nb_hcis++] = hci;
937
938 return 0;
939 }
940
941 static void bt_vhci_add(int vlan_id)
942 {
943 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
944
945 if (!vlan->slave)
946 fprintf(stderr, "qemu: warning: adding a VHCI to "
947 "an empty scatternet %i\n", vlan_id);
948
949 bt_vhci_init(bt_new_hci(vlan));
950 }
951
952 static struct bt_device_s *bt_device_add(const char *opt)
953 {
954 struct bt_scatternet_s *vlan;
955 int vlan_id = 0;
956 char *endp = strstr(opt, ",vlan=");
957 int len = (endp ? endp - opt : strlen(opt)) + 1;
958 char devname[10];
959
960 pstrcpy(devname, MIN(sizeof(devname), len), opt);
961
962 if (endp) {
963 vlan_id = strtol(endp + 6, &endp, 0);
964 if (*endp) {
965 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
966 return 0;
967 }
968 }
969
970 vlan = qemu_find_bt_vlan(vlan_id);
971
972 if (!vlan->slave)
973 fprintf(stderr, "qemu: warning: adding a slave device to "
974 "an empty scatternet %i\n", vlan_id);
975
976 if (!strcmp(devname, "keyboard"))
977 return bt_keyboard_init(vlan);
978
979 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
980 return 0;
981 }
982
983 static int bt_parse(const char *opt)
984 {
985 const char *endp, *p;
986 int vlan;
987
988 if (strstart(opt, "hci", &endp)) {
989 if (!*endp || *endp == ',') {
990 if (*endp)
991 if (!strstart(endp, ",vlan=", 0))
992 opt = endp + 1;
993
994 return bt_hci_parse(opt);
995 }
996 } else if (strstart(opt, "vhci", &endp)) {
997 if (!*endp || *endp == ',') {
998 if (*endp) {
999 if (strstart(endp, ",vlan=", &p)) {
1000 vlan = strtol(p, (char **) &endp, 0);
1001 if (*endp) {
1002 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
1003 return 1;
1004 }
1005 } else {
1006 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
1007 return 1;
1008 }
1009 } else
1010 vlan = 0;
1011
1012 bt_vhci_add(vlan);
1013 return 0;
1014 }
1015 } else if (strstart(opt, "device:", &endp))
1016 return !bt_device_add(endp);
1017
1018 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
1019 return 1;
1020 }
1021
1022 static int parse_sandbox(QemuOpts *opts, void *opaque)
1023 {
1024 /* FIXME: change this to true for 1.3 */
1025 if (qemu_opt_get_bool(opts, "enable", false)) {
1026 #ifdef CONFIG_SECCOMP
1027 if (seccomp_start() < 0) {
1028 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1029 "failed to install seccomp syscall filter in the kernel");
1030 return -1;
1031 }
1032 #else
1033 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1034 "sandboxing request but seccomp is not compiled into this build");
1035 return -1;
1036 #endif
1037 }
1038
1039 return 0;
1040 }
1041
1042 static int parse_name(QemuOpts *opts, void *opaque)
1043 {
1044 const char *proc_name;
1045
1046 if (qemu_opt_get(opts, "debug-threads")) {
1047 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1048 }
1049 qemu_name = qemu_opt_get(opts, "guest");
1050
1051 proc_name = qemu_opt_get(opts, "process");
1052 if (proc_name) {
1053 os_set_proc_name(proc_name);
1054 }
1055
1056 return 0;
1057 }
1058
1059 bool usb_enabled(bool default_usb)
1060 {
1061 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb",
1062 has_defaults && default_usb);
1063 }
1064
1065 #ifndef _WIN32
1066 static int parse_add_fd(QemuOpts *opts, void *opaque)
1067 {
1068 int fd, dupfd, flags;
1069 int64_t fdset_id;
1070 const char *fd_opaque = NULL;
1071
1072 fd = qemu_opt_get_number(opts, "fd", -1);
1073 fdset_id = qemu_opt_get_number(opts, "set", -1);
1074 fd_opaque = qemu_opt_get(opts, "opaque");
1075
1076 if (fd < 0) {
1077 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1078 "fd option is required and must be non-negative");
1079 return -1;
1080 }
1081
1082 if (fd <= STDERR_FILENO) {
1083 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1084 "fd cannot be a standard I/O stream");
1085 return -1;
1086 }
1087
1088 /*
1089 * All fds inherited across exec() necessarily have FD_CLOEXEC
1090 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1091 */
1092 flags = fcntl(fd, F_GETFD);
1093 if (flags == -1 || (flags & FD_CLOEXEC)) {
1094 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1095 "fd is not valid or already in use");
1096 return -1;
1097 }
1098
1099 if (fdset_id < 0) {
1100 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1101 "set option is required and must be non-negative");
1102 return -1;
1103 }
1104
1105 #ifdef F_DUPFD_CLOEXEC
1106 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1107 #else
1108 dupfd = dup(fd);
1109 if (dupfd != -1) {
1110 qemu_set_cloexec(dupfd);
1111 }
1112 #endif
1113 if (dupfd == -1) {
1114 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1115 "Error duplicating fd: %s", strerror(errno));
1116 return -1;
1117 }
1118
1119 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1120 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1121 fd_opaque, NULL);
1122
1123 return 0;
1124 }
1125
1126 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1127 {
1128 int fd;
1129
1130 fd = qemu_opt_get_number(opts, "fd", -1);
1131 close(fd);
1132
1133 return 0;
1134 }
1135 #endif
1136
1137 /***********************************************************/
1138 /* QEMU Block devices */
1139
1140 #define HD_OPTS "media=disk"
1141 #define CDROM_OPTS "media=cdrom"
1142 #define FD_OPTS ""
1143 #define PFLASH_OPTS ""
1144 #define MTD_OPTS ""
1145 #define SD_OPTS ""
1146
1147 static int drive_init_func(QemuOpts *opts, void *opaque)
1148 {
1149 BlockInterfaceType *block_default_type = opaque;
1150
1151 return drive_new(opts, *block_default_type) == NULL;
1152 }
1153
1154 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1155 {
1156 if (qemu_opt_get(opts, "snapshot") == NULL) {
1157 qemu_opt_set(opts, "snapshot", "on");
1158 }
1159 return 0;
1160 }
1161
1162 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1163 int index, const char *optstr)
1164 {
1165 QemuOpts *opts;
1166 DriveInfo *dinfo;
1167
1168 if (!enable || drive_get_by_index(type, index)) {
1169 return;
1170 }
1171
1172 opts = drive_add(type, index, NULL, optstr);
1173 if (snapshot) {
1174 drive_enable_snapshot(opts, NULL);
1175 }
1176
1177 dinfo = drive_new(opts, type);
1178 if (!dinfo) {
1179 exit(1);
1180 }
1181 dinfo->is_default = true;
1182
1183 }
1184
1185 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1186 {
1187 boot_set_handler = func;
1188 boot_set_opaque = opaque;
1189 }
1190
1191 int qemu_boot_set(const char *boot_order)
1192 {
1193 if (!boot_set_handler) {
1194 return -EINVAL;
1195 }
1196 return boot_set_handler(boot_set_opaque, boot_order);
1197 }
1198
1199 static void validate_bootdevices(const char *devices)
1200 {
1201 /* We just do some generic consistency checks */
1202 const char *p;
1203 int bitmap = 0;
1204
1205 for (p = devices; *p != '\0'; p++) {
1206 /* Allowed boot devices are:
1207 * a-b: floppy disk drives
1208 * c-f: IDE disk drives
1209 * g-m: machine implementation dependent drives
1210 * n-p: network devices
1211 * It's up to each machine implementation to check if the given boot
1212 * devices match the actual hardware implementation and firmware
1213 * features.
1214 */
1215 if (*p < 'a' || *p > 'p') {
1216 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1217 exit(1);
1218 }
1219 if (bitmap & (1 << (*p - 'a'))) {
1220 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1221 exit(1);
1222 }
1223 bitmap |= 1 << (*p - 'a');
1224 }
1225 }
1226
1227 static void restore_boot_order(void *opaque)
1228 {
1229 char *normal_boot_order = opaque;
1230 static int first = 1;
1231
1232 /* Restore boot order and remove ourselves after the first boot */
1233 if (first) {
1234 first = 0;
1235 return;
1236 }
1237
1238 qemu_boot_set(normal_boot_order);
1239
1240 qemu_unregister_reset(restore_boot_order, normal_boot_order);
1241 g_free(normal_boot_order);
1242 }
1243
1244 static QemuOptsList qemu_smp_opts = {
1245 .name = "smp-opts",
1246 .implied_opt_name = "cpus",
1247 .merge_lists = true,
1248 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1249 .desc = {
1250 {
1251 .name = "cpus",
1252 .type = QEMU_OPT_NUMBER,
1253 }, {
1254 .name = "sockets",
1255 .type = QEMU_OPT_NUMBER,
1256 }, {
1257 .name = "cores",
1258 .type = QEMU_OPT_NUMBER,
1259 }, {
1260 .name = "threads",
1261 .type = QEMU_OPT_NUMBER,
1262 }, {
1263 .name = "maxcpus",
1264 .type = QEMU_OPT_NUMBER,
1265 },
1266 { /*End of list */ }
1267 },
1268 };
1269
1270 static void smp_parse(QemuOpts *opts)
1271 {
1272 if (opts) {
1273
1274 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1275 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1276 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1277 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1278
1279 /* compute missing values, prefer sockets over cores over threads */
1280 if (cpus == 0 || sockets == 0) {
1281 sockets = sockets > 0 ? sockets : 1;
1282 cores = cores > 0 ? cores : 1;
1283 threads = threads > 0 ? threads : 1;
1284 if (cpus == 0) {
1285 cpus = cores * threads * sockets;
1286 }
1287 } else {
1288 if (cores == 0) {
1289 threads = threads > 0 ? threads : 1;
1290 cores = cpus / (sockets * threads);
1291 } else {
1292 threads = cpus / (cores * sockets);
1293 }
1294 }
1295
1296 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1297
1298 smp_cpus = cpus;
1299 smp_cores = cores > 0 ? cores : 1;
1300 smp_threads = threads > 0 ? threads : 1;
1301
1302 }
1303
1304 if (max_cpus == 0) {
1305 max_cpus = smp_cpus;
1306 }
1307
1308 if (max_cpus > MAX_CPUMASK_BITS) {
1309 fprintf(stderr, "Unsupported number of maxcpus\n");
1310 exit(1);
1311 }
1312 if (max_cpus < smp_cpus) {
1313 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1314 exit(1);
1315 }
1316
1317 }
1318
1319 static void realtime_init(void)
1320 {
1321 if (enable_mlock) {
1322 if (os_mlock() < 0) {
1323 fprintf(stderr, "qemu: locking memory failed\n");
1324 exit(1);
1325 }
1326 }
1327 }
1328
1329
1330 static void configure_msg(QemuOpts *opts)
1331 {
1332 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1333 }
1334
1335 /***********************************************************/
1336 /* USB devices */
1337
1338 static int usb_device_add(const char *devname)
1339 {
1340 USBDevice *dev = NULL;
1341 #ifndef CONFIG_LINUX
1342 const char *p;
1343 #endif
1344
1345 if (!usb_enabled(false)) {
1346 return -1;
1347 }
1348
1349 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1350 dev = usbdevice_create(devname);
1351 if (dev)
1352 goto done;
1353
1354 /* the other ones */
1355 #ifndef CONFIG_LINUX
1356 /* only the linux version is qdev-ified, usb-bsd still needs this */
1357 if (strstart(devname, "host:", &p)) {
1358 dev = usb_host_device_open(usb_bus_find(-1), p);
1359 }
1360 #endif
1361 if (!dev)
1362 return -1;
1363
1364 done:
1365 return 0;
1366 }
1367
1368 static int usb_device_del(const char *devname)
1369 {
1370 int bus_num, addr;
1371 const char *p;
1372
1373 if (strstart(devname, "host:", &p)) {
1374 return -1;
1375 }
1376
1377 if (!usb_enabled(false)) {
1378 return -1;
1379 }
1380
1381 p = strchr(devname, '.');
1382 if (!p)
1383 return -1;
1384 bus_num = strtoul(devname, NULL, 0);
1385 addr = strtoul(p + 1, NULL, 0);
1386
1387 return usb_device_delete_addr(bus_num, addr);
1388 }
1389
1390 static int usb_parse(const char *cmdline)
1391 {
1392 int r;
1393 r = usb_device_add(cmdline);
1394 if (r < 0) {
1395 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1396 }
1397 return r;
1398 }
1399
1400 void do_usb_add(Monitor *mon, const QDict *qdict)
1401 {
1402 const char *devname = qdict_get_str(qdict, "devname");
1403 if (usb_device_add(devname) < 0) {
1404 error_report("could not add USB device '%s'", devname);
1405 }
1406 }
1407
1408 void do_usb_del(Monitor *mon, const QDict *qdict)
1409 {
1410 const char *devname = qdict_get_str(qdict, "devname");
1411 if (usb_device_del(devname) < 0) {
1412 error_report("could not delete USB device '%s'", devname);
1413 }
1414 }
1415
1416 /***********************************************************/
1417 /* machine registration */
1418
1419 MachineState *current_machine;
1420
1421 static void machine_class_init(ObjectClass *oc, void *data)
1422 {
1423 MachineClass *mc = MACHINE_CLASS(oc);
1424 QEMUMachine *qm = data;
1425
1426 mc->family = qm->family;
1427 mc->name = qm->name;
1428 mc->alias = qm->alias;
1429 mc->desc = qm->desc;
1430 mc->init = qm->init;
1431 mc->reset = qm->reset;
1432 mc->hot_add_cpu = qm->hot_add_cpu;
1433 mc->kvm_type = qm->kvm_type;
1434 mc->block_default_type = qm->block_default_type;
1435 mc->units_per_default_bus = qm->units_per_default_bus;
1436 mc->max_cpus = qm->max_cpus;
1437 mc->no_serial = qm->no_serial;
1438 mc->no_parallel = qm->no_parallel;
1439 mc->use_virtcon = qm->use_virtcon;
1440 mc->use_sclp = qm->use_sclp;
1441 mc->no_floppy = qm->no_floppy;
1442 mc->no_cdrom = qm->no_cdrom;
1443 mc->no_sdcard = qm->no_sdcard;
1444 mc->has_dynamic_sysbus = qm->has_dynamic_sysbus;
1445 mc->is_default = qm->is_default;
1446 mc->default_machine_opts = qm->default_machine_opts;
1447 mc->default_boot_order = qm->default_boot_order;
1448 mc->default_display = qm->default_display;
1449 mc->compat_props = qm->compat_props;
1450 mc->hw_version = qm->hw_version;
1451 }
1452
1453 int qemu_register_machine(QEMUMachine *m)
1454 {
1455 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1456 TypeInfo ti = {
1457 .name = name,
1458 .parent = TYPE_MACHINE,
1459 .class_init = machine_class_init,
1460 .class_data = (void *)m,
1461 };
1462
1463 type_register(&ti);
1464 g_free(name);
1465
1466 return 0;
1467 }
1468
1469 static MachineClass *find_machine(const char *name)
1470 {
1471 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1472 MachineClass *mc = NULL;
1473
1474 for (el = machines; el; el = el->next) {
1475 MachineClass *temp = el->data;
1476
1477 if (!strcmp(temp->name, name)) {
1478 mc = temp;
1479 break;
1480 }
1481 if (temp->alias &&
1482 !strcmp(temp->alias, name)) {
1483 mc = temp;
1484 break;
1485 }
1486 }
1487
1488 g_slist_free(machines);
1489 return mc;
1490 }
1491
1492 MachineClass *find_default_machine(void)
1493 {
1494 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1495 MachineClass *mc = NULL;
1496
1497 for (el = machines; el; el = el->next) {
1498 MachineClass *temp = el->data;
1499
1500 if (temp->is_default) {
1501 mc = temp;
1502 break;
1503 }
1504 }
1505
1506 g_slist_free(machines);
1507 return mc;
1508 }
1509
1510 MachineInfoList *qmp_query_machines(Error **errp)
1511 {
1512 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1513 MachineInfoList *mach_list = NULL;
1514
1515 for (el = machines; el; el = el->next) {
1516 MachineClass *mc = el->data;
1517 MachineInfoList *entry;
1518 MachineInfo *info;
1519
1520 info = g_malloc0(sizeof(*info));
1521 if (mc->is_default) {
1522 info->has_is_default = true;
1523 info->is_default = true;
1524 }
1525
1526 if (mc->alias) {
1527 info->has_alias = true;
1528 info->alias = g_strdup(mc->alias);
1529 }
1530
1531 info->name = g_strdup(mc->name);
1532 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1533
1534 entry = g_malloc0(sizeof(*entry));
1535 entry->value = info;
1536 entry->next = mach_list;
1537 mach_list = entry;
1538 }
1539
1540 g_slist_free(machines);
1541 return mach_list;
1542 }
1543
1544 /***********************************************************/
1545 /* main execution loop */
1546
1547 struct vm_change_state_entry {
1548 VMChangeStateHandler *cb;
1549 void *opaque;
1550 QLIST_ENTRY (vm_change_state_entry) entries;
1551 };
1552
1553 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1554
1555 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1556 void *opaque)
1557 {
1558 VMChangeStateEntry *e;
1559
1560 e = g_malloc0(sizeof (*e));
1561
1562 e->cb = cb;
1563 e->opaque = opaque;
1564 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1565 return e;
1566 }
1567
1568 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1569 {
1570 QLIST_REMOVE (e, entries);
1571 g_free (e);
1572 }
1573
1574 void vm_state_notify(int running, RunState state)
1575 {
1576 VMChangeStateEntry *e, *next;
1577
1578 trace_vm_state_notify(running, state);
1579
1580 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1581 e->cb(e->opaque, running, state);
1582 }
1583 }
1584
1585 /* reset/shutdown handler */
1586
1587 typedef struct QEMUResetEntry {
1588 QTAILQ_ENTRY(QEMUResetEntry) entry;
1589 QEMUResetHandler *func;
1590 void *opaque;
1591 } QEMUResetEntry;
1592
1593 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1594 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1595 static int reset_requested;
1596 static int shutdown_requested, shutdown_signal = -1;
1597 static pid_t shutdown_pid;
1598 static int powerdown_requested;
1599 static int debug_requested;
1600 static int suspend_requested;
1601 static WakeupReason wakeup_reason;
1602 static NotifierList powerdown_notifiers =
1603 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1604 static NotifierList suspend_notifiers =
1605 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1606 static NotifierList wakeup_notifiers =
1607 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1608 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1609
1610 int qemu_shutdown_requested_get(void)
1611 {
1612 return shutdown_requested;
1613 }
1614
1615 int qemu_reset_requested_get(void)
1616 {
1617 return reset_requested;
1618 }
1619
1620 static int qemu_shutdown_requested(void)
1621 {
1622 return atomic_xchg(&shutdown_requested, 0);
1623 }
1624
1625 static void qemu_kill_report(void)
1626 {
1627 if (!qtest_driver() && shutdown_signal != -1) {
1628 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1629 if (shutdown_pid == 0) {
1630 /* This happens for eg ^C at the terminal, so it's worth
1631 * avoiding printing an odd message in that case.
1632 */
1633 fputc('\n', stderr);
1634 } else {
1635 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1636 }
1637 shutdown_signal = -1;
1638 }
1639 }
1640
1641 static int qemu_reset_requested(void)
1642 {
1643 int r = reset_requested;
1644 reset_requested = 0;
1645 return r;
1646 }
1647
1648 static int qemu_suspend_requested(void)
1649 {
1650 int r = suspend_requested;
1651 suspend_requested = 0;
1652 return r;
1653 }
1654
1655 static WakeupReason qemu_wakeup_requested(void)
1656 {
1657 return wakeup_reason;
1658 }
1659
1660 static int qemu_powerdown_requested(void)
1661 {
1662 int r = powerdown_requested;
1663 powerdown_requested = 0;
1664 return r;
1665 }
1666
1667 static int qemu_debug_requested(void)
1668 {
1669 int r = debug_requested;
1670 debug_requested = 0;
1671 return r;
1672 }
1673
1674 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1675 {
1676 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1677
1678 re->func = func;
1679 re->opaque = opaque;
1680 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1681 }
1682
1683 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1684 {
1685 QEMUResetEntry *re;
1686
1687 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1688 if (re->func == func && re->opaque == opaque) {
1689 QTAILQ_REMOVE(&reset_handlers, re, entry);
1690 g_free(re);
1691 return;
1692 }
1693 }
1694 }
1695
1696 void qemu_devices_reset(void)
1697 {
1698 QEMUResetEntry *re, *nre;
1699
1700 /* reset all devices */
1701 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1702 re->func(re->opaque);
1703 }
1704 }
1705
1706 void qemu_system_reset(bool report)
1707 {
1708 MachineClass *mc;
1709
1710 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1711
1712 if (mc && mc->reset) {
1713 mc->reset();
1714 } else {
1715 qemu_devices_reset();
1716 }
1717 if (report) {
1718 qapi_event_send_reset(&error_abort);
1719 }
1720 cpu_synchronize_all_post_reset();
1721 }
1722
1723 void qemu_system_reset_request(void)
1724 {
1725 if (no_reboot) {
1726 shutdown_requested = 1;
1727 } else {
1728 reset_requested = 1;
1729 }
1730 cpu_stop_current();
1731 qemu_notify_event();
1732 }
1733
1734 static void qemu_system_suspend(void)
1735 {
1736 pause_all_vcpus();
1737 notifier_list_notify(&suspend_notifiers, NULL);
1738 runstate_set(RUN_STATE_SUSPENDED);
1739 qapi_event_send_suspend(&error_abort);
1740 }
1741
1742 void qemu_system_suspend_request(void)
1743 {
1744 if (runstate_check(RUN_STATE_SUSPENDED)) {
1745 return;
1746 }
1747 suspend_requested = 1;
1748 cpu_stop_current();
1749 qemu_notify_event();
1750 }
1751
1752 void qemu_register_suspend_notifier(Notifier *notifier)
1753 {
1754 notifier_list_add(&suspend_notifiers, notifier);
1755 }
1756
1757 void qemu_system_wakeup_request(WakeupReason reason)
1758 {
1759 trace_system_wakeup_request(reason);
1760
1761 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1762 return;
1763 }
1764 if (!(wakeup_reason_mask & (1 << reason))) {
1765 return;
1766 }
1767 runstate_set(RUN_STATE_RUNNING);
1768 wakeup_reason = reason;
1769 qemu_notify_event();
1770 }
1771
1772 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1773 {
1774 if (enabled) {
1775 wakeup_reason_mask |= (1 << reason);
1776 } else {
1777 wakeup_reason_mask &= ~(1 << reason);
1778 }
1779 }
1780
1781 void qemu_register_wakeup_notifier(Notifier *notifier)
1782 {
1783 notifier_list_add(&wakeup_notifiers, notifier);
1784 }
1785
1786 void qemu_system_killed(int signal, pid_t pid)
1787 {
1788 shutdown_signal = signal;
1789 shutdown_pid = pid;
1790 no_shutdown = 0;
1791 qemu_system_shutdown_request();
1792 }
1793
1794 void qemu_system_shutdown_request(void)
1795 {
1796 trace_qemu_system_shutdown_request();
1797 shutdown_requested = 1;
1798 qemu_notify_event();
1799 }
1800
1801 static void qemu_system_powerdown(void)
1802 {
1803 qapi_event_send_powerdown(&error_abort);
1804 notifier_list_notify(&powerdown_notifiers, NULL);
1805 }
1806
1807 void qemu_system_powerdown_request(void)
1808 {
1809 trace_qemu_system_powerdown_request();
1810 powerdown_requested = 1;
1811 qemu_notify_event();
1812 }
1813
1814 void qemu_register_powerdown_notifier(Notifier *notifier)
1815 {
1816 notifier_list_add(&powerdown_notifiers, notifier);
1817 }
1818
1819 void qemu_system_debug_request(void)
1820 {
1821 debug_requested = 1;
1822 qemu_notify_event();
1823 }
1824
1825 static bool main_loop_should_exit(void)
1826 {
1827 RunState r;
1828 if (qemu_debug_requested()) {
1829 vm_stop(RUN_STATE_DEBUG);
1830 }
1831 if (qemu_suspend_requested()) {
1832 qemu_system_suspend();
1833 }
1834 if (qemu_shutdown_requested()) {
1835 qemu_kill_report();
1836 qapi_event_send_shutdown(&error_abort);
1837 if (no_shutdown) {
1838 vm_stop(RUN_STATE_SHUTDOWN);
1839 } else {
1840 return true;
1841 }
1842 }
1843 if (qemu_reset_requested()) {
1844 pause_all_vcpus();
1845 cpu_synchronize_all_states();
1846 qemu_system_reset(VMRESET_REPORT);
1847 resume_all_vcpus();
1848 if (runstate_needs_reset()) {
1849 runstate_set(RUN_STATE_PAUSED);
1850 }
1851 }
1852 if (qemu_wakeup_requested()) {
1853 pause_all_vcpus();
1854 cpu_synchronize_all_states();
1855 qemu_system_reset(VMRESET_SILENT);
1856 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1857 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1858 resume_all_vcpus();
1859 qapi_event_send_wakeup(&error_abort);
1860 }
1861 if (qemu_powerdown_requested()) {
1862 qemu_system_powerdown();
1863 }
1864 if (qemu_vmstop_requested(&r)) {
1865 vm_stop(r);
1866 }
1867 return false;
1868 }
1869
1870 static void main_loop(void)
1871 {
1872 bool nonblocking;
1873 int last_io = 0;
1874 #ifdef CONFIG_PROFILER
1875 int64_t ti;
1876 #endif
1877 do {
1878 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1879 #ifdef CONFIG_PROFILER
1880 ti = profile_getclock();
1881 #endif
1882 last_io = main_loop_wait(nonblocking);
1883 #ifdef CONFIG_PROFILER
1884 dev_time += profile_getclock() - ti;
1885 #endif
1886 } while (!main_loop_should_exit());
1887 }
1888
1889 static void version(void)
1890 {
1891 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1892 }
1893
1894 static void help(int exitcode)
1895 {
1896 version();
1897 printf("usage: %s [options] [disk_image]\n\n"
1898 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1899 error_get_progname());
1900
1901 #define QEMU_OPTIONS_GENERATE_HELP
1902 #include "qemu-options-wrapper.h"
1903
1904 printf("\nDuring emulation, the following keys are useful:\n"
1905 "ctrl-alt-f toggle full screen\n"
1906 "ctrl-alt-n switch to virtual console 'n'\n"
1907 "ctrl-alt toggle mouse and keyboard grab\n"
1908 "\n"
1909 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1910
1911 exit(exitcode);
1912 }
1913
1914 #define HAS_ARG 0x0001
1915
1916 typedef struct QEMUOption {
1917 const char *name;
1918 int flags;
1919 int index;
1920 uint32_t arch_mask;
1921 } QEMUOption;
1922
1923 static const QEMUOption qemu_options[] = {
1924 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1925 #define QEMU_OPTIONS_GENERATE_OPTIONS
1926 #include "qemu-options-wrapper.h"
1927 { NULL },
1928 };
1929
1930 static bool vga_available(void)
1931 {
1932 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1933 }
1934
1935 static bool cirrus_vga_available(void)
1936 {
1937 return object_class_by_name("cirrus-vga")
1938 || object_class_by_name("isa-cirrus-vga");
1939 }
1940
1941 static bool vmware_vga_available(void)
1942 {
1943 return object_class_by_name("vmware-svga");
1944 }
1945
1946 static bool qxl_vga_available(void)
1947 {
1948 return object_class_by_name("qxl-vga");
1949 }
1950
1951 static bool tcx_vga_available(void)
1952 {
1953 return object_class_by_name("SUNW,tcx");
1954 }
1955
1956 static bool cg3_vga_available(void)
1957 {
1958 return object_class_by_name("cgthree");
1959 }
1960
1961 static void select_vgahw (const char *p)
1962 {
1963 const char *opts;
1964
1965 assert(vga_interface_type == VGA_NONE);
1966 if (strstart(p, "std", &opts)) {
1967 if (vga_available()) {
1968 vga_interface_type = VGA_STD;
1969 } else {
1970 fprintf(stderr, "Error: standard VGA not available\n");
1971 exit(0);
1972 }
1973 } else if (strstart(p, "cirrus", &opts)) {
1974 if (cirrus_vga_available()) {
1975 vga_interface_type = VGA_CIRRUS;
1976 } else {
1977 fprintf(stderr, "Error: Cirrus VGA not available\n");
1978 exit(0);
1979 }
1980 } else if (strstart(p, "vmware", &opts)) {
1981 if (vmware_vga_available()) {
1982 vga_interface_type = VGA_VMWARE;
1983 } else {
1984 fprintf(stderr, "Error: VMWare SVGA not available\n");
1985 exit(0);
1986 }
1987 } else if (strstart(p, "xenfb", &opts)) {
1988 vga_interface_type = VGA_XENFB;
1989 } else if (strstart(p, "qxl", &opts)) {
1990 if (qxl_vga_available()) {
1991 vga_interface_type = VGA_QXL;
1992 } else {
1993 fprintf(stderr, "Error: QXL VGA not available\n");
1994 exit(0);
1995 }
1996 } else if (strstart(p, "tcx", &opts)) {
1997 if (tcx_vga_available()) {
1998 vga_interface_type = VGA_TCX;
1999 } else {
2000 fprintf(stderr, "Error: TCX framebuffer not available\n");
2001 exit(0);
2002 }
2003 } else if (strstart(p, "cg3", &opts)) {
2004 if (cg3_vga_available()) {
2005 vga_interface_type = VGA_CG3;
2006 } else {
2007 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2008 exit(0);
2009 }
2010 } else if (!strstart(p, "none", &opts)) {
2011 invalid_vga:
2012 fprintf(stderr, "Unknown vga type: %s\n", p);
2013 exit(1);
2014 }
2015 while (*opts) {
2016 const char *nextopt;
2017
2018 if (strstart(opts, ",retrace=", &nextopt)) {
2019 opts = nextopt;
2020 if (strstart(opts, "dumb", &nextopt))
2021 vga_retrace_method = VGA_RETRACE_DUMB;
2022 else if (strstart(opts, "precise", &nextopt))
2023 vga_retrace_method = VGA_RETRACE_PRECISE;
2024 else goto invalid_vga;
2025 } else goto invalid_vga;
2026 opts = nextopt;
2027 }
2028 }
2029
2030 static DisplayType select_display(const char *p)
2031 {
2032 const char *opts;
2033 DisplayType display = DT_DEFAULT;
2034
2035 if (strstart(p, "sdl", &opts)) {
2036 #ifdef CONFIG_SDL
2037 display = DT_SDL;
2038 while (*opts) {
2039 const char *nextopt;
2040
2041 if (strstart(opts, ",frame=", &nextopt)) {
2042 opts = nextopt;
2043 if (strstart(opts, "on", &nextopt)) {
2044 no_frame = 0;
2045 } else if (strstart(opts, "off", &nextopt)) {
2046 no_frame = 1;
2047 } else {
2048 goto invalid_sdl_args;
2049 }
2050 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2051 opts = nextopt;
2052 if (strstart(opts, "on", &nextopt)) {
2053 alt_grab = 1;
2054 } else if (strstart(opts, "off", &nextopt)) {
2055 alt_grab = 0;
2056 } else {
2057 goto invalid_sdl_args;
2058 }
2059 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2060 opts = nextopt;
2061 if (strstart(opts, "on", &nextopt)) {
2062 ctrl_grab = 1;
2063 } else if (strstart(opts, "off", &nextopt)) {
2064 ctrl_grab = 0;
2065 } else {
2066 goto invalid_sdl_args;
2067 }
2068 } else if (strstart(opts, ",window_close=", &nextopt)) {
2069 opts = nextopt;
2070 if (strstart(opts, "on", &nextopt)) {
2071 no_quit = 0;
2072 } else if (strstart(opts, "off", &nextopt)) {
2073 no_quit = 1;
2074 } else {
2075 goto invalid_sdl_args;
2076 }
2077 } else {
2078 invalid_sdl_args:
2079 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2080 exit(1);
2081 }
2082 opts = nextopt;
2083 }
2084 #else
2085 fprintf(stderr, "SDL support is disabled\n");
2086 exit(1);
2087 #endif
2088 } else if (strstart(p, "vnc", &opts)) {
2089 #ifdef CONFIG_VNC
2090 display_remote++;
2091
2092 if (*opts) {
2093 const char *nextopt;
2094
2095 if (strstart(opts, "=", &nextopt)) {
2096 vnc_display = nextopt;
2097 }
2098 }
2099 if (!vnc_display) {
2100 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2101 exit(1);
2102 }
2103 #else
2104 fprintf(stderr, "VNC support is disabled\n");
2105 exit(1);
2106 #endif
2107 } else if (strstart(p, "curses", &opts)) {
2108 #ifdef CONFIG_CURSES
2109 display = DT_CURSES;
2110 #else
2111 fprintf(stderr, "Curses support is disabled\n");
2112 exit(1);
2113 #endif
2114 } else if (strstart(p, "gtk", &opts)) {
2115 #ifdef CONFIG_GTK
2116 display = DT_GTK;
2117 while (*opts) {
2118 const char *nextopt;
2119
2120 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2121 opts = nextopt;
2122 if (strstart(opts, "on", &nextopt)) {
2123 grab_on_hover = true;
2124 } else if (strstart(opts, "off", &nextopt)) {
2125 grab_on_hover = false;
2126 } else {
2127 goto invalid_gtk_args;
2128 }
2129 } else {
2130 invalid_gtk_args:
2131 fprintf(stderr, "Invalid GTK option string: %s\n", p);
2132 exit(1);
2133 }
2134 opts = nextopt;
2135 }
2136 #else
2137 fprintf(stderr, "GTK support is disabled\n");
2138 exit(1);
2139 #endif
2140 } else if (strstart(p, "none", &opts)) {
2141 display = DT_NONE;
2142 } else {
2143 fprintf(stderr, "Unknown display type: %s\n", p);
2144 exit(1);
2145 }
2146
2147 return display;
2148 }
2149
2150 static int balloon_parse(const char *arg)
2151 {
2152 QemuOpts *opts;
2153
2154 if (strcmp(arg, "none") == 0) {
2155 return 0;
2156 }
2157
2158 if (!strncmp(arg, "virtio", 6)) {
2159 if (arg[6] == ',') {
2160 /* have params -> parse them */
2161 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2162 if (!opts)
2163 return -1;
2164 } else {
2165 /* create empty opts */
2166 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2167 &error_abort);
2168 }
2169 qemu_opt_set(opts, "driver", "virtio-balloon");
2170 return 0;
2171 }
2172
2173 return -1;
2174 }
2175
2176 char *qemu_find_file(int type, const char *name)
2177 {
2178 int i;
2179 const char *subdir;
2180 char *buf;
2181
2182 /* Try the name as a straight path first */
2183 if (access(name, R_OK) == 0) {
2184 trace_load_file(name, name);
2185 return g_strdup(name);
2186 }
2187
2188 switch (type) {
2189 case QEMU_FILE_TYPE_BIOS:
2190 subdir = "";
2191 break;
2192 case QEMU_FILE_TYPE_KEYMAP:
2193 subdir = "keymaps/";
2194 break;
2195 default:
2196 abort();
2197 }
2198
2199 for (i = 0; i < data_dir_idx; i++) {
2200 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2201 if (access(buf, R_OK) == 0) {
2202 trace_load_file(name, buf);
2203 return buf;
2204 }
2205 g_free(buf);
2206 }
2207 return NULL;
2208 }
2209
2210 static int device_help_func(QemuOpts *opts, void *opaque)
2211 {
2212 return qdev_device_help(opts);
2213 }
2214
2215 static int device_init_func(QemuOpts *opts, void *opaque)
2216 {
2217 DeviceState *dev;
2218
2219 dev = qdev_device_add(opts);
2220 if (!dev)
2221 return -1;
2222 object_unref(OBJECT(dev));
2223 return 0;
2224 }
2225
2226 static int chardev_init_func(QemuOpts *opts, void *opaque)
2227 {
2228 Error *local_err = NULL;
2229
2230 qemu_chr_new_from_opts(opts, NULL, &local_err);
2231 if (local_err) {
2232 error_report("%s", error_get_pretty(local_err));
2233 error_free(local_err);
2234 return -1;
2235 }
2236 return 0;
2237 }
2238
2239 #ifdef CONFIG_VIRTFS
2240 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2241 {
2242 int ret;
2243 ret = qemu_fsdev_add(opts);
2244
2245 return ret;
2246 }
2247 #endif
2248
2249 static int mon_init_func(QemuOpts *opts, void *opaque)
2250 {
2251 CharDriverState *chr;
2252 const char *chardev;
2253 const char *mode;
2254 int flags;
2255
2256 mode = qemu_opt_get(opts, "mode");
2257 if (mode == NULL) {
2258 mode = "readline";
2259 }
2260 if (strcmp(mode, "readline") == 0) {
2261 flags = MONITOR_USE_READLINE;
2262 } else if (strcmp(mode, "control") == 0) {
2263 flags = MONITOR_USE_CONTROL;
2264 } else {
2265 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2266 exit(1);
2267 }
2268
2269 if (qemu_opt_get_bool(opts, "pretty", 0))
2270 flags |= MONITOR_USE_PRETTY;
2271
2272 if (qemu_opt_get_bool(opts, "default", 0))
2273 flags |= MONITOR_IS_DEFAULT;
2274
2275 chardev = qemu_opt_get(opts, "chardev");
2276 chr = qemu_chr_find(chardev);
2277 if (chr == NULL) {
2278 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2279 exit(1);
2280 }
2281
2282 qemu_chr_fe_claim_no_fail(chr);
2283 monitor_init(chr, flags);
2284 return 0;
2285 }
2286
2287 static void monitor_parse(const char *optarg, const char *mode)
2288 {
2289 static int monitor_device_index = 0;
2290 QemuOpts *opts;
2291 const char *p;
2292 char label[32];
2293 int def = 0;
2294
2295 if (strstart(optarg, "chardev:", &p)) {
2296 snprintf(label, sizeof(label), "%s", p);
2297 } else {
2298 snprintf(label, sizeof(label), "compat_monitor%d",
2299 monitor_device_index);
2300 if (monitor_device_index == 0) {
2301 def = 1;
2302 }
2303 opts = qemu_chr_parse_compat(label, optarg);
2304 if (!opts) {
2305 fprintf(stderr, "parse error: %s\n", optarg);
2306 exit(1);
2307 }
2308 }
2309
2310 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2311 if (!opts) {
2312 fprintf(stderr, "duplicate chardev: %s\n", label);
2313 exit(1);
2314 }
2315 qemu_opt_set(opts, "mode", mode);
2316 qemu_opt_set(opts, "chardev", label);
2317 if (def)
2318 qemu_opt_set(opts, "default", "on");
2319 monitor_device_index++;
2320 }
2321
2322 struct device_config {
2323 enum {
2324 DEV_USB, /* -usbdevice */
2325 DEV_BT, /* -bt */
2326 DEV_SERIAL, /* -serial */
2327 DEV_PARALLEL, /* -parallel */
2328 DEV_VIRTCON, /* -virtioconsole */
2329 DEV_DEBUGCON, /* -debugcon */
2330 DEV_GDB, /* -gdb, -s */
2331 DEV_SCLP, /* s390 sclp */
2332 } type;
2333 const char *cmdline;
2334 Location loc;
2335 QTAILQ_ENTRY(device_config) next;
2336 };
2337
2338 static QTAILQ_HEAD(, device_config) device_configs =
2339 QTAILQ_HEAD_INITIALIZER(device_configs);
2340
2341 static void add_device_config(int type, const char *cmdline)
2342 {
2343 struct device_config *conf;
2344
2345 conf = g_malloc0(sizeof(*conf));
2346 conf->type = type;
2347 conf->cmdline = cmdline;
2348 loc_save(&conf->loc);
2349 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2350 }
2351
2352 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2353 {
2354 struct device_config *conf;
2355 int rc;
2356
2357 QTAILQ_FOREACH(conf, &device_configs, next) {
2358 if (conf->type != type)
2359 continue;
2360 loc_push_restore(&conf->loc);
2361 rc = func(conf->cmdline);
2362 loc_pop(&conf->loc);
2363 if (rc) {
2364 return rc;
2365 }
2366 }
2367 return 0;
2368 }
2369
2370 static int serial_parse(const char *devname)
2371 {
2372 static int index = 0;
2373 char label[32];
2374
2375 if (strcmp(devname, "none") == 0)
2376 return 0;
2377 if (index == MAX_SERIAL_PORTS) {
2378 fprintf(stderr, "qemu: too many serial ports\n");
2379 exit(1);
2380 }
2381 snprintf(label, sizeof(label), "serial%d", index);
2382 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2383 if (!serial_hds[index]) {
2384 fprintf(stderr, "qemu: could not connect serial device"
2385 " to character backend '%s'\n", devname);
2386 return -1;
2387 }
2388 index++;
2389 return 0;
2390 }
2391
2392 static int parallel_parse(const char *devname)
2393 {
2394 static int index = 0;
2395 char label[32];
2396
2397 if (strcmp(devname, "none") == 0)
2398 return 0;
2399 if (index == MAX_PARALLEL_PORTS) {
2400 fprintf(stderr, "qemu: too many parallel ports\n");
2401 exit(1);
2402 }
2403 snprintf(label, sizeof(label), "parallel%d", index);
2404 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2405 if (!parallel_hds[index]) {
2406 fprintf(stderr, "qemu: could not connect parallel device"
2407 " to character backend '%s'\n", devname);
2408 return -1;
2409 }
2410 index++;
2411 return 0;
2412 }
2413
2414 static int virtcon_parse(const char *devname)
2415 {
2416 QemuOptsList *device = qemu_find_opts("device");
2417 static int index = 0;
2418 char label[32];
2419 QemuOpts *bus_opts, *dev_opts;
2420
2421 if (strcmp(devname, "none") == 0)
2422 return 0;
2423 if (index == MAX_VIRTIO_CONSOLES) {
2424 fprintf(stderr, "qemu: too many virtio consoles\n");
2425 exit(1);
2426 }
2427
2428 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2429 if (arch_type == QEMU_ARCH_S390X) {
2430 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2431 } else {
2432 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2433 }
2434
2435 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2436 qemu_opt_set(dev_opts, "driver", "virtconsole");
2437
2438 snprintf(label, sizeof(label), "virtcon%d", index);
2439 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2440 if (!virtcon_hds[index]) {
2441 fprintf(stderr, "qemu: could not connect virtio console"
2442 " to character backend '%s'\n", devname);
2443 return -1;
2444 }
2445 qemu_opt_set(dev_opts, "chardev", label);
2446
2447 index++;
2448 return 0;
2449 }
2450
2451 static int sclp_parse(const char *devname)
2452 {
2453 QemuOptsList *device = qemu_find_opts("device");
2454 static int index = 0;
2455 char label[32];
2456 QemuOpts *dev_opts;
2457
2458 if (strcmp(devname, "none") == 0) {
2459 return 0;
2460 }
2461 if (index == MAX_SCLP_CONSOLES) {
2462 fprintf(stderr, "qemu: too many sclp consoles\n");
2463 exit(1);
2464 }
2465
2466 assert(arch_type == QEMU_ARCH_S390X);
2467
2468 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2469 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2470
2471 snprintf(label, sizeof(label), "sclpcon%d", index);
2472 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2473 if (!sclp_hds[index]) {
2474 fprintf(stderr, "qemu: could not connect sclp console"
2475 " to character backend '%s'\n", devname);
2476 return -1;
2477 }
2478 qemu_opt_set(dev_opts, "chardev", label);
2479
2480 index++;
2481 return 0;
2482 }
2483
2484 static int debugcon_parse(const char *devname)
2485 {
2486 QemuOpts *opts;
2487
2488 if (!qemu_chr_new("debugcon", devname, NULL)) {
2489 exit(1);
2490 }
2491 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2492 if (!opts) {
2493 fprintf(stderr, "qemu: already have a debugcon device\n");
2494 exit(1);
2495 }
2496 qemu_opt_set(opts, "driver", "isa-debugcon");
2497 qemu_opt_set(opts, "chardev", "debugcon");
2498 return 0;
2499 }
2500
2501 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2502 {
2503 const MachineClass *mc1 = a, *mc2 = b;
2504 int res;
2505
2506 if (mc1->family == NULL) {
2507 if (mc2->family == NULL) {
2508 /* Compare standalone machine types against each other; they sort
2509 * in increasing order.
2510 */
2511 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2512 object_class_get_name(OBJECT_CLASS(mc2)));
2513 }
2514
2515 /* Standalone machine types sort after families. */
2516 return 1;
2517 }
2518
2519 if (mc2->family == NULL) {
2520 /* Families sort before standalone machine types. */
2521 return -1;
2522 }
2523
2524 /* Families sort between each other alphabetically increasingly. */
2525 res = strcmp(mc1->family, mc2->family);
2526 if (res != 0) {
2527 return res;
2528 }
2529
2530 /* Within the same family, machine types sort in decreasing order. */
2531 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2532 object_class_get_name(OBJECT_CLASS(mc1)));
2533 }
2534
2535 static MachineClass *machine_parse(const char *name)
2536 {
2537 MachineClass *mc = NULL;
2538 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2539
2540 if (name) {
2541 mc = find_machine(name);
2542 }
2543 if (mc) {
2544 return mc;
2545 }
2546 if (name && !is_help_option(name)) {
2547 error_report("Unsupported machine type");
2548 error_printf("Use -machine help to list supported machines!\n");
2549 } else {
2550 printf("Supported machines are:\n");
2551 machines = g_slist_sort(machines, machine_class_cmp);
2552 for (el = machines; el; el = el->next) {
2553 MachineClass *mc = el->data;
2554 if (mc->alias) {
2555 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2556 }
2557 printf("%-20s %s%s\n", mc->name, mc->desc,
2558 mc->is_default ? " (default)" : "");
2559 }
2560 }
2561
2562 g_slist_free(machines);
2563 exit(!name || !is_help_option(name));
2564 }
2565
2566 void qemu_add_exit_notifier(Notifier *notify)
2567 {
2568 notifier_list_add(&exit_notifiers, notify);
2569 }
2570
2571 void qemu_remove_exit_notifier(Notifier *notify)
2572 {
2573 notifier_remove(notify);
2574 }
2575
2576 static void qemu_run_exit_notifiers(void)
2577 {
2578 notifier_list_notify(&exit_notifiers, NULL);
2579 }
2580
2581 void qemu_add_machine_init_done_notifier(Notifier *notify)
2582 {
2583 notifier_list_add(&machine_init_done_notifiers, notify);
2584 }
2585
2586 static void qemu_run_machine_init_done_notifiers(void)
2587 {
2588 notifier_list_notify(&machine_init_done_notifiers, NULL);
2589 }
2590
2591 static const QEMUOption *lookup_opt(int argc, char **argv,
2592 const char **poptarg, int *poptind)
2593 {
2594 const QEMUOption *popt;
2595 int optind = *poptind;
2596 char *r = argv[optind];
2597 const char *optarg;
2598
2599 loc_set_cmdline(argv, optind, 1);
2600 optind++;
2601 /* Treat --foo the same as -foo. */
2602 if (r[1] == '-')
2603 r++;
2604 popt = qemu_options;
2605 for(;;) {
2606 if (!popt->name) {
2607 error_report("invalid option");
2608 exit(1);
2609 }
2610 if (!strcmp(popt->name, r + 1))
2611 break;
2612 popt++;
2613 }
2614 if (popt->flags & HAS_ARG) {
2615 if (optind >= argc) {
2616 error_report("requires an argument");
2617 exit(1);
2618 }
2619 optarg = argv[optind++];
2620 loc_set_cmdline(argv, optind - 2, 2);
2621 } else {
2622 optarg = NULL;
2623 }
2624
2625 *poptarg = optarg;
2626 *poptind = optind;
2627
2628 return popt;
2629 }
2630
2631 static gpointer malloc_and_trace(gsize n_bytes)
2632 {
2633 void *ptr = malloc(n_bytes);
2634 trace_g_malloc(n_bytes, ptr);
2635 return ptr;
2636 }
2637
2638 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2639 {
2640 void *ptr = realloc(mem, n_bytes);
2641 trace_g_realloc(mem, n_bytes, ptr);
2642 return ptr;
2643 }
2644
2645 static void free_and_trace(gpointer mem)
2646 {
2647 trace_g_free(mem);
2648 free(mem);
2649 }
2650
2651 static int machine_set_property(const char *name, const char *value,
2652 void *opaque)
2653 {
2654 Object *obj = OBJECT(opaque);
2655 StringInputVisitor *siv;
2656 Error *local_err = NULL;
2657 char *c, *qom_name;
2658
2659 if (strcmp(name, "type") == 0) {
2660 return 0;
2661 }
2662
2663 qom_name = g_strdup(name);
2664 c = qom_name;
2665 while (*c++) {
2666 if (*c == '_') {
2667 *c = '-';
2668 }
2669 }
2670
2671 siv = string_input_visitor_new(value);
2672 object_property_set(obj, string_input_get_visitor(siv), qom_name, &local_err);
2673 string_input_visitor_cleanup(siv);
2674 g_free(qom_name);
2675
2676 if (local_err) {
2677 qerror_report_err(local_err);
2678 error_free(local_err);
2679 return -1;
2680 }
2681
2682 return 0;
2683 }
2684
2685 static int object_create(QemuOpts *opts, void *opaque)
2686 {
2687 Error *err = NULL;
2688 char *type = NULL;
2689 char *id = NULL;
2690 void *dummy = NULL;
2691 OptsVisitor *ov;
2692 QDict *pdict;
2693
2694 ov = opts_visitor_new(opts);
2695 pdict = qemu_opts_to_qdict(opts, NULL);
2696
2697 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2698 if (err) {
2699 goto out;
2700 }
2701
2702 qdict_del(pdict, "qom-type");
2703 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2704 if (err) {
2705 goto out;
2706 }
2707
2708 qdict_del(pdict, "id");
2709 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2710 if (err) {
2711 goto out;
2712 }
2713
2714 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2715 if (err) {
2716 goto out;
2717 }
2718 visit_end_struct(opts_get_visitor(ov), &err);
2719 if (err) {
2720 qmp_object_del(id, NULL);
2721 }
2722
2723 out:
2724 opts_visitor_cleanup(ov);
2725
2726 QDECREF(pdict);
2727 g_free(id);
2728 g_free(type);
2729 g_free(dummy);
2730 if (err) {
2731 qerror_report_err(err);
2732 error_free(err);
2733 return -1;
2734 }
2735 return 0;
2736 }
2737
2738 int main(int argc, char **argv, char **envp)
2739 {
2740 int i;
2741 int snapshot, linux_boot;
2742 const char *initrd_filename;
2743 const char *kernel_filename, *kernel_cmdline;
2744 const char *boot_order;
2745 DisplayState *ds;
2746 int cyls, heads, secs, translation;
2747 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2748 QemuOptsList *olist;
2749 int optind;
2750 const char *optarg;
2751 const char *loadvm = NULL;
2752 MachineClass *machine_class;
2753 const char *cpu_model;
2754 const char *vga_model = NULL;
2755 const char *qtest_chrdev = NULL;
2756 const char *qtest_log = NULL;
2757 const char *pid_file = NULL;
2758 const char *incoming = NULL;
2759 #ifdef CONFIG_VNC
2760 int show_vnc_port = 0;
2761 #endif
2762 bool defconfig = true;
2763 bool userconfig = true;
2764 const char *log_mask = NULL;
2765 const char *log_file = NULL;
2766 GMemVTable mem_trace = {
2767 .malloc = malloc_and_trace,
2768 .realloc = realloc_and_trace,
2769 .free = free_and_trace,
2770 };
2771 const char *trace_events = NULL;
2772 const char *trace_file = NULL;
2773 const ram_addr_t default_ram_size = (ram_addr_t)DEFAULT_RAM_SIZE *
2774 1024 * 1024;
2775 ram_addr_t maxram_size = default_ram_size;
2776 uint64_t ram_slots = 0;
2777 FILE *vmstate_dump_file = NULL;
2778 Error *main_loop_err = NULL;
2779
2780 atexit(qemu_run_exit_notifiers);
2781 error_set_progname(argv[0]);
2782 qemu_init_exec_dir(argv[0]);
2783
2784 g_mem_set_vtable(&mem_trace);
2785
2786 module_call_init(MODULE_INIT_QOM);
2787
2788 qemu_add_opts(&qemu_drive_opts);
2789 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2790 qemu_add_drive_opts(&qemu_common_drive_opts);
2791 qemu_add_drive_opts(&qemu_drive_opts);
2792 qemu_add_opts(&qemu_chardev_opts);
2793 qemu_add_opts(&qemu_device_opts);
2794 qemu_add_opts(&qemu_netdev_opts);
2795 qemu_add_opts(&qemu_net_opts);
2796 qemu_add_opts(&qemu_rtc_opts);
2797 qemu_add_opts(&qemu_global_opts);
2798 qemu_add_opts(&qemu_mon_opts);
2799 qemu_add_opts(&qemu_trace_opts);
2800 qemu_add_opts(&qemu_option_rom_opts);
2801 qemu_add_opts(&qemu_machine_opts);
2802 qemu_add_opts(&qemu_mem_opts);
2803 qemu_add_opts(&qemu_smp_opts);
2804 qemu_add_opts(&qemu_boot_opts);
2805 qemu_add_opts(&qemu_sandbox_opts);
2806 qemu_add_opts(&qemu_add_fd_opts);
2807 qemu_add_opts(&qemu_object_opts);
2808 qemu_add_opts(&qemu_tpmdev_opts);
2809 qemu_add_opts(&qemu_realtime_opts);
2810 qemu_add_opts(&qemu_msg_opts);
2811 qemu_add_opts(&qemu_name_opts);
2812 qemu_add_opts(&qemu_numa_opts);
2813 qemu_add_opts(&qemu_icount_opts);
2814
2815 runstate_init();
2816
2817 rtc_clock = QEMU_CLOCK_HOST;
2818
2819 QLIST_INIT (&vm_change_state_head);
2820 os_setup_early_signal_handling();
2821
2822 module_call_init(MODULE_INIT_MACHINE);
2823 machine_class = find_default_machine();
2824 cpu_model = NULL;
2825 ram_size = default_ram_size;
2826 snapshot = 0;
2827 cyls = heads = secs = 0;
2828 translation = BIOS_ATA_TRANSLATION_AUTO;
2829
2830 for (i = 0; i < MAX_NODES; i++) {
2831 numa_info[i].node_mem = 0;
2832 numa_info[i].present = false;
2833 bitmap_zero(numa_info[i].node_cpu, MAX_CPUMASK_BITS);
2834 }
2835
2836 nb_numa_nodes = 0;
2837 max_numa_nodeid = 0;
2838 nb_nics = 0;
2839
2840 bdrv_init_with_whitelist();
2841
2842 autostart = 1;
2843
2844 /* first pass of option parsing */
2845 optind = 1;
2846 while (optind < argc) {
2847 if (argv[optind][0] != '-') {
2848 /* disk image */
2849 optind++;
2850 } else {
2851 const QEMUOption *popt;
2852
2853 popt = lookup_opt(argc, argv, &optarg, &optind);
2854 switch (popt->index) {
2855 case QEMU_OPTION_nodefconfig:
2856 defconfig = false;
2857 break;
2858 case QEMU_OPTION_nouserconfig:
2859 userconfig = false;
2860 break;
2861 }
2862 }
2863 }
2864
2865 if (defconfig) {
2866 int ret;
2867 ret = qemu_read_default_config_files(userconfig);
2868 if (ret < 0) {
2869 exit(1);
2870 }
2871 }
2872
2873 /* second pass of option parsing */
2874 optind = 1;
2875 for(;;) {
2876 if (optind >= argc)
2877 break;
2878 if (argv[optind][0] != '-') {
2879 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2880 } else {
2881 const QEMUOption *popt;
2882
2883 popt = lookup_opt(argc, argv, &optarg, &optind);
2884 if (!(popt->arch_mask & arch_type)) {
2885 printf("Option %s not supported for this target\n", popt->name);
2886 exit(1);
2887 }
2888 switch(popt->index) {
2889 case QEMU_OPTION_no_kvm_irqchip: {
2890 olist = qemu_find_opts("machine");
2891 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
2892 break;
2893 }
2894 case QEMU_OPTION_cpu:
2895 /* hw initialization will check this */
2896 cpu_model = optarg;
2897 break;
2898 case QEMU_OPTION_hda:
2899 {
2900 char buf[256];
2901 if (cyls == 0)
2902 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2903 else
2904 snprintf(buf, sizeof(buf),
2905 "%s,cyls=%d,heads=%d,secs=%d%s",
2906 HD_OPTS , cyls, heads, secs,
2907 translation == BIOS_ATA_TRANSLATION_LBA ?
2908 ",trans=lba" :
2909 translation == BIOS_ATA_TRANSLATION_NONE ?
2910 ",trans=none" : "");
2911 drive_add(IF_DEFAULT, 0, optarg, buf);
2912 break;
2913 }
2914 case QEMU_OPTION_hdb:
2915 case QEMU_OPTION_hdc:
2916 case QEMU_OPTION_hdd:
2917 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2918 HD_OPTS);
2919 break;
2920 case QEMU_OPTION_drive:
2921 if (drive_def(optarg) == NULL) {
2922 exit(1);
2923 }
2924 break;
2925 case QEMU_OPTION_set:
2926 if (qemu_set_option(optarg) != 0)
2927 exit(1);
2928 break;
2929 case QEMU_OPTION_global:
2930 if (qemu_global_option(optarg) != 0)
2931 exit(1);
2932 break;
2933 case QEMU_OPTION_mtdblock:
2934 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2935 break;
2936 case QEMU_OPTION_sd:
2937 drive_add(IF_SD, -1, optarg, SD_OPTS);
2938 break;
2939 case QEMU_OPTION_pflash:
2940 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2941 break;
2942 case QEMU_OPTION_snapshot:
2943 snapshot = 1;
2944 break;
2945 case QEMU_OPTION_hdachs:
2946 {
2947 const char *p;
2948 p = optarg;
2949 cyls = strtol(p, (char **)&p, 0);
2950 if (cyls < 1 || cyls > 16383)
2951 goto chs_fail;
2952 if (*p != ',')
2953 goto chs_fail;
2954 p++;
2955 heads = strtol(p, (char **)&p, 0);
2956 if (heads < 1 || heads > 16)
2957 goto chs_fail;
2958 if (*p != ',')
2959 goto chs_fail;
2960 p++;
2961 secs = strtol(p, (char **)&p, 0);
2962 if (secs < 1 || secs > 63)
2963 goto chs_fail;
2964 if (*p == ',') {
2965 p++;
2966 if (!strcmp(p, "large")) {
2967 translation = BIOS_ATA_TRANSLATION_LARGE;
2968 } else if (!strcmp(p, "rechs")) {
2969 translation = BIOS_ATA_TRANSLATION_RECHS;
2970 } else if (!strcmp(p, "none")) {
2971 translation = BIOS_ATA_TRANSLATION_NONE;
2972 } else if (!strcmp(p, "lba")) {
2973 translation = BIOS_ATA_TRANSLATION_LBA;
2974 } else if (!strcmp(p, "auto")) {
2975 translation = BIOS_ATA_TRANSLATION_AUTO;
2976 } else {
2977 goto chs_fail;
2978 }
2979 } else if (*p != '\0') {
2980 chs_fail:
2981 fprintf(stderr, "qemu: invalid physical CHS format\n");
2982 exit(1);
2983 }
2984 if (hda_opts != NULL) {
2985 char num[16];
2986 snprintf(num, sizeof(num), "%d", cyls);
2987 qemu_opt_set(hda_opts, "cyls", num);
2988 snprintf(num, sizeof(num), "%d", heads);
2989 qemu_opt_set(hda_opts, "heads", num);
2990 snprintf(num, sizeof(num), "%d", secs);
2991 qemu_opt_set(hda_opts, "secs", num);
2992 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
2993 qemu_opt_set(hda_opts, "trans", "large");
2994 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
2995 qemu_opt_set(hda_opts, "trans", "rechs");
2996 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
2997 qemu_opt_set(hda_opts, "trans", "lba");
2998 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
2999 qemu_opt_set(hda_opts, "trans", "none");
3000 }
3001 }
3002 }
3003 break;
3004 case QEMU_OPTION_numa:
3005 opts = qemu_opts_parse(qemu_find_opts("numa"), optarg, 1);
3006 if (!opts) {
3007 exit(1);
3008 }
3009 break;
3010 case QEMU_OPTION_display:
3011 display_type = select_display(optarg);
3012 break;
3013 case QEMU_OPTION_nographic:
3014 display_type = DT_NOGRAPHIC;
3015 break;
3016 case QEMU_OPTION_curses:
3017 #ifdef CONFIG_CURSES
3018 display_type = DT_CURSES;
3019 #else
3020 fprintf(stderr, "Curses support is disabled\n");
3021 exit(1);
3022 #endif
3023 break;
3024 case QEMU_OPTION_portrait:
3025 graphic_rotate = 90;
3026 break;
3027 case QEMU_OPTION_rotate:
3028 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3029 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3030 graphic_rotate != 180 && graphic_rotate != 270) {
3031 fprintf(stderr,
3032 "qemu: only 90, 180, 270 deg rotation is available\n");
3033 exit(1);
3034 }
3035 break;
3036 case QEMU_OPTION_kernel:
3037 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3038 break;
3039 case QEMU_OPTION_initrd:
3040 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3041 break;
3042 case QEMU_OPTION_append:
3043 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3044 break;
3045 case QEMU_OPTION_dtb:
3046 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3047 break;
3048 case QEMU_OPTION_cdrom:
3049 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3050 break;
3051 case QEMU_OPTION_boot:
3052 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3053 if (!opts) {
3054 exit(1);
3055 }
3056 break;
3057 case QEMU_OPTION_fda:
3058 case QEMU_OPTION_fdb:
3059 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3060 optarg, FD_OPTS);
3061 break;
3062 case QEMU_OPTION_no_fd_bootchk:
3063 fd_bootchk = 0;
3064 break;
3065 case QEMU_OPTION_netdev:
3066 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3067 exit(1);
3068 }
3069 break;
3070 case QEMU_OPTION_net:
3071 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3072 exit(1);
3073 }
3074 break;
3075 #ifdef CONFIG_LIBISCSI
3076 case QEMU_OPTION_iscsi:
3077 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3078 if (!opts) {
3079 exit(1);
3080 }
3081 break;
3082 #endif
3083 #ifdef CONFIG_SLIRP
3084 case QEMU_OPTION_tftp:
3085 legacy_tftp_prefix = optarg;
3086 break;
3087 case QEMU_OPTION_bootp:
3088 legacy_bootp_filename = optarg;
3089 break;
3090 case QEMU_OPTION_redir:
3091 if (net_slirp_redir(optarg) < 0)
3092 exit(1);
3093 break;
3094 #endif
3095 case QEMU_OPTION_bt:
3096 add_device_config(DEV_BT, optarg);
3097 break;
3098 case QEMU_OPTION_audio_help:
3099 AUD_help ();
3100 exit (0);
3101 break;
3102 case QEMU_OPTION_soundhw:
3103 select_soundhw (optarg);
3104 break;
3105 case QEMU_OPTION_h:
3106 help(0);
3107 break;
3108 case QEMU_OPTION_version:
3109 version();
3110 exit(0);
3111 break;
3112 case QEMU_OPTION_m: {
3113 uint64_t sz;
3114 const char *mem_str;
3115 const char *maxmem_str, *slots_str;
3116
3117 opts = qemu_opts_parse(qemu_find_opts("memory"),
3118 optarg, 1);
3119 if (!opts) {
3120 exit(EXIT_FAILURE);
3121 }
3122
3123 mem_str = qemu_opt_get(opts, "size");
3124 if (!mem_str) {
3125 error_report("invalid -m option, missing 'size' option");
3126 exit(EXIT_FAILURE);
3127 }
3128 if (!*mem_str) {
3129 error_report("missing 'size' option value");
3130 exit(EXIT_FAILURE);
3131 }
3132
3133 sz = qemu_opt_get_size(opts, "size", ram_size);
3134
3135 /* Fix up legacy suffix-less format */
3136 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
3137 uint64_t overflow_check = sz;
3138
3139 sz <<= 20;
3140 if ((sz >> 20) != overflow_check) {
3141 error_report("too large 'size' option value");
3142 exit(EXIT_FAILURE);
3143 }
3144 }
3145
3146 /* backward compatibility behaviour for case "-m 0" */
3147 if (sz == 0) {
3148 sz = default_ram_size;
3149 }
3150
3151 sz = QEMU_ALIGN_UP(sz, 8192);
3152 ram_size = sz;
3153 if (ram_size != sz) {
3154 error_report("ram size too large");
3155 exit(EXIT_FAILURE);
3156 }
3157 maxram_size = ram_size;
3158
3159 maxmem_str = qemu_opt_get(opts, "maxmem");
3160 slots_str = qemu_opt_get(opts, "slots");
3161 if (maxmem_str && slots_str) {
3162 uint64_t slots;
3163
3164 sz = qemu_opt_get_size(opts, "maxmem", 0);
3165 if (sz < ram_size) {
3166 error_report("invalid -m option value: maxmem "
3167 "(0x%" PRIx64 ") <= initial memory (0x"
3168 RAM_ADDR_FMT ")", sz, ram_size);
3169 exit(EXIT_FAILURE);
3170 }
3171
3172 slots = qemu_opt_get_number(opts, "slots", 0);
3173 if ((sz > ram_size) && !slots) {
3174 error_report("invalid -m option value: maxmem "
3175 "(0x%" PRIx64 ") more than initial memory (0x"
3176 RAM_ADDR_FMT ") but no hotplug slots where "
3177 "specified", sz, ram_size);
3178 exit(EXIT_FAILURE);
3179 }
3180
3181 if ((sz <= ram_size) && slots) {
3182 error_report("invalid -m option value: %"
3183 PRIu64 " hotplug slots where specified but "
3184 "maxmem (0x%" PRIx64 ") <= initial memory (0x"
3185 RAM_ADDR_FMT ")", slots, sz, ram_size);
3186 exit(EXIT_FAILURE);
3187 }
3188 maxram_size = sz;
3189 ram_slots = slots;
3190 } else if ((!maxmem_str && slots_str) ||
3191 (maxmem_str && !slots_str)) {
3192 error_report("invalid -m option value: missing "
3193 "'%s' option", slots_str ? "maxmem" : "slots");
3194 exit(EXIT_FAILURE);
3195 }
3196 break;
3197 }
3198 #ifdef CONFIG_TPM
3199 case QEMU_OPTION_tpmdev:
3200 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3201 exit(1);
3202 }
3203 break;
3204 #endif
3205 case QEMU_OPTION_mempath:
3206 mem_path = optarg;
3207 break;
3208 case QEMU_OPTION_mem_prealloc:
3209 mem_prealloc = 1;
3210 break;
3211 case QEMU_OPTION_d:
3212 log_mask = optarg;
3213 break;
3214 case QEMU_OPTION_D:
3215 log_file = optarg;
3216 break;
3217 case QEMU_OPTION_s:
3218 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3219 break;
3220 case QEMU_OPTION_gdb:
3221 add_device_config(DEV_GDB, optarg);
3222 break;
3223 case QEMU_OPTION_L:
3224 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3225 data_dir[data_dir_idx++] = optarg;
3226 }
3227 break;
3228 case QEMU_OPTION_bios:
3229 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg);
3230 break;
3231 case QEMU_OPTION_singlestep:
3232 singlestep = 1;
3233 break;
3234 case QEMU_OPTION_S:
3235 autostart = 0;
3236 break;
3237 case QEMU_OPTION_k:
3238 keyboard_layout = optarg;
3239 break;
3240 case QEMU_OPTION_localtime:
3241 rtc_utc = 0;
3242 break;
3243 case QEMU_OPTION_vga:
3244 vga_model = optarg;
3245 default_vga = 0;
3246 break;
3247 case QEMU_OPTION_g:
3248 {
3249 const char *p;
3250 int w, h, depth;
3251 p = optarg;
3252 w = strtol(p, (char **)&p, 10);
3253 if (w <= 0) {
3254 graphic_error:
3255 fprintf(stderr, "qemu: invalid resolution or depth\n");
3256 exit(1);
3257 }
3258 if (*p != 'x')
3259 goto graphic_error;
3260 p++;
3261 h = strtol(p, (char **)&p, 10);
3262 if (h <= 0)
3263 goto graphic_error;
3264 if (*p == 'x') {
3265 p++;
3266 depth = strtol(p, (char **)&p, 10);
3267 if (depth != 8 && depth != 15 && depth != 16 &&
3268 depth != 24 && depth != 32)
3269 goto graphic_error;
3270 } else if (*p == '\0') {
3271 depth = graphic_depth;
3272 } else {
3273 goto graphic_error;
3274 }
3275
3276 graphic_width = w;
3277 graphic_height = h;
3278 graphic_depth = depth;
3279 }
3280 break;
3281 case QEMU_OPTION_echr:
3282 {
3283 char *r;
3284 term_escape_char = strtol(optarg, &r, 0);
3285 if (r == optarg)
3286 printf("Bad argument to echr\n");
3287 break;
3288 }
3289 case QEMU_OPTION_monitor:
3290 default_monitor = 0;
3291 if (strncmp(optarg, "none", 4)) {
3292 monitor_parse(optarg, "readline");
3293 }
3294 break;
3295 case QEMU_OPTION_qmp:
3296 monitor_parse(optarg, "control");
3297 default_monitor = 0;
3298 break;
3299 case QEMU_OPTION_mon:
3300 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3301 if (!opts) {
3302 exit(1);
3303 }
3304 default_monitor = 0;
3305 break;
3306 case QEMU_OPTION_chardev:
3307 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3308 if (!opts) {
3309 exit(1);
3310 }
3311 break;
3312 case QEMU_OPTION_fsdev:
3313 olist = qemu_find_opts("fsdev");
3314 if (!olist) {
3315 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3316 exit(1);
3317 }
3318 opts = qemu_opts_parse(olist, optarg, 1);
3319 if (!opts) {
3320 exit(1);
3321 }
3322 break;
3323 case QEMU_OPTION_virtfs: {
3324 QemuOpts *fsdev;
3325 QemuOpts *device;
3326 const char *writeout, *sock_fd, *socket;
3327
3328 olist = qemu_find_opts("virtfs");
3329 if (!olist) {
3330 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3331 exit(1);
3332 }
3333 opts = qemu_opts_parse(olist, optarg, 1);
3334 if (!opts) {
3335 exit(1);
3336 }
3337
3338 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3339 qemu_opt_get(opts, "mount_tag") == NULL) {
3340 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3341 exit(1);
3342 }
3343 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3344 qemu_opt_get(opts, "mount_tag"),
3345 1, NULL);
3346 if (!fsdev) {
3347 fprintf(stderr, "duplicate fsdev id: %s\n",
3348 qemu_opt_get(opts, "mount_tag"));
3349 exit(1);
3350 }
3351
3352 writeout = qemu_opt_get(opts, "writeout");
3353 if (writeout) {
3354 #ifdef CONFIG_SYNC_FILE_RANGE
3355 qemu_opt_set(fsdev, "writeout", writeout);
3356 #else
3357 fprintf(stderr, "writeout=immediate not supported on "
3358 "this platform\n");
3359 exit(1);
3360 #endif
3361 }
3362 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3363 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3364 qemu_opt_set(fsdev, "security_model",
3365 qemu_opt_get(opts, "security_model"));
3366 socket = qemu_opt_get(opts, "socket");
3367 if (socket) {
3368 qemu_opt_set(fsdev, "socket", socket);
3369 }
3370 sock_fd = qemu_opt_get(opts, "sock_fd");
3371 if (sock_fd) {
3372 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3373 }
3374
3375 qemu_opt_set_bool(fsdev, "readonly",
3376 qemu_opt_get_bool(opts, "readonly", 0));
3377 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3378 &error_abort);
3379 qemu_opt_set(device, "driver", "virtio-9p-pci");
3380 qemu_opt_set(device, "fsdev",
3381 qemu_opt_get(opts, "mount_tag"));
3382 qemu_opt_set(device, "mount_tag",
3383 qemu_opt_get(opts, "mount_tag"));
3384 break;
3385 }
3386 case QEMU_OPTION_virtfs_synth: {
3387 QemuOpts *fsdev;
3388 QemuOpts *device;
3389
3390 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3391 1, NULL);
3392 if (!fsdev) {
3393 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3394 exit(1);
3395 }
3396 qemu_opt_set(fsdev, "fsdriver", "synth");
3397
3398 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3399 &error_abort);
3400 qemu_opt_set(device, "driver", "virtio-9p-pci");
3401 qemu_opt_set(device, "fsdev", "v_synth");
3402 qemu_opt_set(device, "mount_tag", "v_synth");
3403 break;
3404 }
3405 case QEMU_OPTION_serial:
3406 add_device_config(DEV_SERIAL, optarg);
3407 default_serial = 0;
3408 if (strncmp(optarg, "mon:", 4) == 0) {
3409 default_monitor = 0;
3410 }
3411 break;
3412 case QEMU_OPTION_watchdog:
3413 if (watchdog) {
3414 fprintf(stderr,
3415 "qemu: only one watchdog option may be given\n");
3416 return 1;
3417 }
3418 watchdog = optarg;
3419 break;
3420 case QEMU_OPTION_watchdog_action:
3421 if (select_watchdog_action(optarg) == -1) {
3422 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3423 exit(1);
3424 }
3425 break;
3426 case QEMU_OPTION_virtiocon:
3427 add_device_config(DEV_VIRTCON, optarg);
3428 default_virtcon = 0;
3429 if (strncmp(optarg, "mon:", 4) == 0) {
3430 default_monitor = 0;
3431 }
3432 break;
3433 case QEMU_OPTION_parallel:
3434 add_device_config(DEV_PARALLEL, optarg);
3435 default_parallel = 0;
3436 if (strncmp(optarg, "mon:", 4) == 0) {
3437 default_monitor = 0;
3438 }
3439 break;
3440 case QEMU_OPTION_debugcon:
3441 add_device_config(DEV_DEBUGCON, optarg);
3442 break;
3443 case QEMU_OPTION_loadvm:
3444 loadvm = optarg;
3445 break;
3446 case QEMU_OPTION_full_screen:
3447 full_screen = 1;
3448 break;
3449 case QEMU_OPTION_no_frame:
3450 no_frame = 1;
3451 break;
3452 case QEMU_OPTION_alt_grab:
3453 alt_grab = 1;
3454 break;
3455 case QEMU_OPTION_ctrl_grab:
3456 ctrl_grab = 1;
3457 break;
3458 case QEMU_OPTION_no_quit:
3459 no_quit = 1;
3460 break;
3461 case QEMU_OPTION_sdl:
3462 #ifdef CONFIG_SDL
3463 display_type = DT_SDL;
3464 break;
3465 #else
3466 fprintf(stderr, "SDL support is disabled\n");
3467 exit(1);
3468 #endif
3469 case QEMU_OPTION_pidfile:
3470 pid_file = optarg;
3471 break;
3472 case QEMU_OPTION_win2k_hack:
3473 win2k_install_hack = 1;
3474 break;
3475 case QEMU_OPTION_rtc_td_hack: {
3476 static GlobalProperty slew_lost_ticks[] = {
3477 {
3478 .driver = "mc146818rtc",
3479 .property = "lost_tick_policy",
3480 .value = "slew",
3481 },
3482 { /* end of list */ }
3483 };
3484
3485 qdev_prop_register_global_list(slew_lost_ticks);
3486 break;
3487 }
3488 case QEMU_OPTION_acpitable:
3489 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3490 if (!opts) {
3491 exit(1);
3492 }
3493 do_acpitable_option(opts);
3494 break;
3495 case QEMU_OPTION_smbios:
3496 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3497 if (!opts) {
3498 exit(1);
3499 }
3500 do_smbios_option(opts);
3501 break;
3502 case QEMU_OPTION_enable_kvm:
3503 olist = qemu_find_opts("machine");
3504 qemu_opts_parse(olist, "accel=kvm", 0);
3505 break;
3506 case QEMU_OPTION_M:
3507 case QEMU_OPTION_machine:
3508 olist = qemu_find_opts("machine");
3509 opts = qemu_opts_parse(olist, optarg, 1);
3510 if (!opts) {
3511 exit(1);
3512 }
3513 break;
3514 case QEMU_OPTION_no_kvm:
3515 olist = qemu_find_opts("machine");
3516 qemu_opts_parse(olist, "accel=tcg", 0);
3517 break;
3518 case QEMU_OPTION_no_kvm_pit: {
3519 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3520 "separately.\n");
3521 break;
3522 }
3523 case QEMU_OPTION_no_kvm_pit_reinjection: {
3524 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3525 {
3526 .driver = "kvm-pit",
3527 .property = "lost_tick_policy",
3528 .value = "discard",
3529 },
3530 { /* end of list */ }
3531 };
3532
3533 fprintf(stderr, "Warning: option deprecated, use "
3534 "lost_tick_policy property of kvm-pit instead.\n");
3535 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3536 break;
3537 }
3538 case QEMU_OPTION_usb:
3539 olist = qemu_find_opts("machine");
3540 qemu_opts_parse(olist, "usb=on", 0);
3541 break;
3542 case QEMU_OPTION_usbdevice:
3543 olist = qemu_find_opts("machine");
3544 qemu_opts_parse(olist, "usb=on", 0);
3545 add_device_config(DEV_USB, optarg);
3546 break;
3547 case QEMU_OPTION_device:
3548 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3549 exit(1);
3550 }
3551 break;
3552 case QEMU_OPTION_smp:
3553 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3554 exit(1);
3555 }
3556 break;
3557 case QEMU_OPTION_vnc:
3558 #ifdef CONFIG_VNC
3559 display_remote++;
3560 vnc_display = optarg;
3561 #else
3562 fprintf(stderr, "VNC support is disabled\n");
3563 exit(1);
3564 #endif
3565 break;
3566 case QEMU_OPTION_no_acpi:
3567 acpi_enabled = 0;
3568 break;
3569 case QEMU_OPTION_no_hpet:
3570 no_hpet = 1;
3571 break;
3572 case QEMU_OPTION_balloon:
3573 if (balloon_parse(optarg) < 0) {
3574 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3575 exit(1);
3576 }
3577 break;
3578 case QEMU_OPTION_no_reboot:
3579 no_reboot = 1;
3580 break;
3581 case QEMU_OPTION_no_shutdown:
3582 no_shutdown = 1;
3583 break;
3584 case QEMU_OPTION_show_cursor:
3585 cursor_hide = 0;
3586 break;
3587 case QEMU_OPTION_uuid:
3588 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3589 fprintf(stderr, "Fail to parse UUID string."
3590 " Wrong format.\n");
3591 exit(1);
3592 }
3593 qemu_uuid_set = true;
3594 break;
3595 case QEMU_OPTION_option_rom:
3596 if (nb_option_roms >= MAX_OPTION_ROMS) {
3597 fprintf(stderr, "Too many option ROMs\n");
3598 exit(1);
3599 }
3600 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3601 if (!opts) {
3602 exit(1);
3603 }
3604 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3605 option_rom[nb_option_roms].bootindex =
3606 qemu_opt_get_number(opts, "bootindex", -1);
3607 if (!option_rom[nb_option_roms].name) {
3608 fprintf(stderr, "Option ROM file is not specified\n");
3609 exit(1);
3610 }
3611 nb_option_roms++;
3612 break;
3613 case QEMU_OPTION_semihosting:
3614 semihosting_enabled = 1;
3615 break;
3616 case QEMU_OPTION_tdf:
3617 fprintf(stderr, "Warning: user space PIT time drift fix "
3618 "is no longer supported.\n");
3619 break;
3620 case QEMU_OPTION_name:
3621 opts = qemu_opts_parse(qemu_find_opts("name"), optarg, 1);
3622 if (!opts) {
3623 exit(1);
3624 }
3625 break;
3626 case QEMU_OPTION_prom_env:
3627 if (nb_prom_envs >= MAX_PROM_ENVS) {
3628 fprintf(stderr, "Too many prom variables\n");
3629 exit(1);
3630 }
3631 prom_envs[nb_prom_envs] = optarg;
3632 nb_prom_envs++;
3633 break;
3634 case QEMU_OPTION_old_param:
3635 old_param = 1;
3636 break;
3637 case QEMU_OPTION_clock:
3638 /* Clock options no longer exist. Keep this option for
3639 * backward compatibility.
3640 */
3641 break;
3642 case QEMU_OPTION_startdate:
3643 configure_rtc_date_offset(optarg, 1);
3644 break;
3645 case QEMU_OPTION_rtc:
3646 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3647 if (!opts) {
3648 exit(1);
3649 }
3650 configure_rtc(opts);
3651 break;
3652 case QEMU_OPTION_tb_size:
3653 tcg_tb_size = strtol(optarg, NULL, 0);
3654 if (tcg_tb_size < 0) {
3655 tcg_tb_size = 0;
3656 }
3657 break;
3658 case QEMU_OPTION_icount:
3659 icount_opts = qemu_opts_parse(qemu_find_opts("icount"),
3660 optarg, 1);
3661 if (!icount_opts) {
3662 exit(1);
3663 }
3664 break;
3665 case QEMU_OPTION_incoming:
3666 incoming = optarg;
3667 runstate_set(RUN_STATE_INMIGRATE);
3668 break;
3669 case QEMU_OPTION_nodefaults:
3670 has_defaults = 0;
3671 break;
3672 case QEMU_OPTION_xen_domid:
3673 if (!(xen_available())) {
3674 printf("Option %s not supported for this target\n", popt->name);
3675 exit(1);
3676 }
3677 xen_domid = atoi(optarg);
3678 break;
3679 case QEMU_OPTION_xen_create:
3680 if (!(xen_available())) {
3681 printf("Option %s not supported for this target\n", popt->name);
3682 exit(1);
3683 }
3684 xen_mode = XEN_CREATE;
3685 break;
3686 case QEMU_OPTION_xen_attach:
3687 if (!(xen_available())) {
3688 printf("Option %s not supported for this target\n", popt->name);
3689 exit(1);
3690 }
3691 xen_mode = XEN_ATTACH;
3692 break;
3693 case QEMU_OPTION_trace:
3694 {
3695 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3696 if (!opts) {
3697 exit(1);
3698 }
3699 trace_events = qemu_opt_get(opts, "events");
3700 trace_file = qemu_opt_get(opts, "file");
3701 break;
3702 }
3703 case QEMU_OPTION_readconfig:
3704 {
3705 int ret = qemu_read_config_file(optarg);
3706 if (ret < 0) {
3707 fprintf(stderr, "read config %s: %s\n", optarg,
3708 strerror(-ret));
3709 exit(1);
3710 }
3711 break;
3712 }
3713 case QEMU_OPTION_spice:
3714 olist = qemu_find_opts("spice");
3715 if (!olist) {
3716 fprintf(stderr, "spice is not supported by this qemu build.\n");
3717 exit(1);
3718 }
3719 opts = qemu_opts_parse(olist, optarg, 0);
3720 if (!opts) {
3721 exit(1);
3722 }
3723 display_remote++;
3724 break;
3725 case QEMU_OPTION_writeconfig:
3726 {
3727 FILE *fp;
3728 if (strcmp(optarg, "-") == 0) {
3729 fp = stdout;
3730 } else {
3731 fp = fopen(optarg, "w");
3732 if (fp == NULL) {
3733 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3734 exit(1);
3735 }
3736 }
3737 qemu_config_write(fp);
3738 if (fp != stdout) {
3739 fclose(fp);
3740 }
3741 break;
3742 }
3743 case QEMU_OPTION_qtest:
3744 qtest_chrdev = optarg;
3745 break;
3746 case QEMU_OPTION_qtest_log:
3747 qtest_log = optarg;
3748 break;
3749 case QEMU_OPTION_sandbox:
3750 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3751 if (!opts) {
3752 exit(1);
3753 }
3754 break;
3755 case QEMU_OPTION_add_fd:
3756 #ifndef _WIN32
3757 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3758 if (!opts) {
3759 exit(1);
3760 }
3761 #else
3762 error_report("File descriptor passing is disabled on this "
3763 "platform");
3764 exit(1);
3765 #endif
3766 break;
3767 case QEMU_OPTION_object:
3768 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3769 if (!opts) {
3770 exit(1);
3771 }
3772 break;
3773 case QEMU_OPTION_realtime:
3774 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3775 if (!opts) {
3776 exit(1);
3777 }
3778 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3779 break;
3780 case QEMU_OPTION_msg:
3781 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3782 if (!opts) {
3783 exit(1);
3784 }
3785 configure_msg(opts);
3786 break;
3787 case QEMU_OPTION_dump_vmstate:
3788 if (vmstate_dump_file) {
3789 fprintf(stderr, "qemu: only one '-dump-vmstate' "
3790 "option may be given\n");
3791 exit(1);
3792 }
3793 vmstate_dump_file = fopen(optarg, "w");
3794 if (vmstate_dump_file == NULL) {
3795 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3796 exit(1);
3797 }
3798 break;
3799 default:
3800 os_parse_cmd_args(popt->index, optarg);
3801 }
3802 }
3803 }
3804
3805 opts = qemu_get_machine_opts();
3806 optarg = qemu_opt_get(opts, "type");
3807 if (optarg) {
3808 machine_class = machine_parse(optarg);
3809 }
3810
3811 loc_set_none();
3812
3813 os_daemonize();
3814
3815 if (qemu_init_main_loop(&main_loop_err)) {
3816 error_report("%s", error_get_pretty(main_loop_err));
3817 exit(1);
3818 }
3819
3820 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3821 exit(1);
3822 }
3823
3824 if (qemu_opts_foreach(qemu_find_opts("name"), parse_name, NULL, 1)) {
3825 exit(1);
3826 }
3827
3828 #ifndef _WIN32
3829 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3830 exit(1);
3831 }
3832
3833 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3834 exit(1);
3835 }
3836 #endif
3837
3838 if (machine_class == NULL) {
3839 fprintf(stderr, "No machine specified, and there is no default.\n"
3840 "Use -machine help to list supported machines!\n");
3841 exit(1);
3842 }
3843
3844 current_machine = MACHINE(object_new(object_class_get_name(
3845 OBJECT_CLASS(machine_class))));
3846 object_property_add_child(object_get_root(), "machine",
3847 OBJECT(current_machine), &error_abort);
3848 cpu_exec_init_all();
3849
3850 if (machine_class->hw_version) {
3851 qemu_set_version(machine_class->hw_version);
3852 }
3853
3854 /* Init CPU def lists, based on config
3855 * - Must be called after all the qemu_read_config_file() calls
3856 * - Must be called before list_cpus()
3857 * - Must be called before machine->init()
3858 */
3859 cpudef_init();
3860
3861 if (cpu_model && is_help_option(cpu_model)) {
3862 list_cpus(stdout, &fprintf, cpu_model);
3863 exit(0);
3864 }
3865
3866 /* Open the logfile at this point, if necessary. We can't open the logfile
3867 * when encountering either of the logging options (-d or -D) because the
3868 * other one may be encountered later on the command line, changing the
3869 * location or level of logging.
3870 */
3871 if (log_mask) {
3872 int mask;
3873 if (log_file) {
3874 qemu_set_log_filename(log_file);
3875 }
3876
3877 mask = qemu_str_to_log_mask(log_mask);
3878 if (!mask) {
3879 qemu_print_log_usage(stdout);
3880 exit(1);
3881 }
3882 qemu_set_log(mask);
3883 }
3884
3885 if (!is_daemonized()) {
3886 if (!trace_init_backends(trace_events, trace_file)) {
3887 exit(1);
3888 }
3889 }
3890
3891 /* If no data_dir is specified then try to find it relative to the
3892 executable path. */
3893 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3894 data_dir[data_dir_idx] = os_find_datadir();
3895 if (data_dir[data_dir_idx] != NULL) {
3896 data_dir_idx++;
3897 }
3898 }
3899 /* If all else fails use the install path specified when building. */
3900 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3901 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
3902 }
3903
3904 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
3905
3906 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
3907 if (smp_cpus > machine_class->max_cpus) {
3908 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3909 "supported by machine `%s' (%d)\n", smp_cpus,
3910 machine_class->name, machine_class->max_cpus);
3911 exit(1);
3912 }
3913
3914 /*
3915 * Get the default machine options from the machine if it is not already
3916 * specified either by the configuration file or by the command line.
3917 */
3918 if (machine_class->default_machine_opts) {
3919 qemu_opts_set_defaults(qemu_find_opts("machine"),
3920 machine_class->default_machine_opts, 0);
3921 }
3922
3923 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3924 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3925
3926 if (!vga_model && !default_vga) {
3927 vga_interface_type = VGA_DEVICE;
3928 }
3929 if (!has_defaults || machine_class->no_serial) {
3930 default_serial = 0;
3931 }
3932 if (!has_defaults || machine_class->no_parallel) {
3933 default_parallel = 0;
3934 }
3935 if (!has_defaults || !machine_class->use_virtcon) {
3936 default_virtcon = 0;
3937 }
3938 if (!has_defaults || !machine_class->use_sclp) {
3939 default_sclp = 0;
3940 }
3941 if (!has_defaults || machine_class->no_floppy) {
3942 default_floppy = 0;
3943 }
3944 if (!has_defaults || machine_class->no_cdrom) {
3945 default_cdrom = 0;
3946 }
3947 if (!has_defaults || machine_class->no_sdcard) {
3948 default_sdcard = 0;
3949 }
3950 if (!has_defaults) {
3951 default_monitor = 0;
3952 default_net = 0;
3953 default_vga = 0;
3954 }
3955
3956 if (is_daemonized()) {
3957 /* According to documentation and historically, -nographic redirects
3958 * serial port, parallel port and monitor to stdio, which does not work
3959 * with -daemonize. We can redirect these to null instead, but since
3960 * -nographic is legacy, let's just error out.
3961 * We disallow -nographic only if all other ports are not redirected
3962 * explicitly, to not break existing legacy setups which uses
3963 * -nographic _and_ redirects all ports explicitly - this is valid
3964 * usage, -nographic is just a no-op in this case.
3965 */
3966 if (display_type == DT_NOGRAPHIC
3967 && (default_parallel || default_serial
3968 || default_monitor || default_virtcon)) {
3969 fprintf(stderr, "-nographic can not be used with -daemonize\n");
3970 exit(1);
3971 }
3972 #ifdef CONFIG_CURSES
3973 if (display_type == DT_CURSES) {
3974 fprintf(stderr, "curses display can not be used with -daemonize\n");
3975 exit(1);
3976 }
3977 #endif
3978 }
3979
3980 if (display_type == DT_NOGRAPHIC) {
3981 if (default_parallel)
3982 add_device_config(DEV_PARALLEL, "null");
3983 if (default_serial && default_monitor) {
3984 add_device_config(DEV_SERIAL, "mon:stdio");
3985 } else if (default_virtcon && default_monitor) {
3986 add_device_config(DEV_VIRTCON, "mon:stdio");
3987 } else if (default_sclp && default_monitor) {
3988 add_device_config(DEV_SCLP, "mon:stdio");
3989 } else {
3990 if (default_serial)
3991 add_device_config(DEV_SERIAL, "stdio");
3992 if (default_virtcon)
3993 add_device_config(DEV_VIRTCON, "stdio");
3994 if (default_sclp) {
3995 add_device_config(DEV_SCLP, "stdio");
3996 }
3997 if (default_monitor)
3998 monitor_parse("stdio", "readline");
3999 }
4000 } else {
4001 if (default_serial)
4002 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4003 if (default_parallel)
4004 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4005 if (default_monitor)
4006 monitor_parse("vc:80Cx24C", "readline");
4007 if (default_virtcon)
4008 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4009 if (default_sclp) {
4010 add_device_config(DEV_SCLP, "vc:80Cx24C");
4011 }
4012 }
4013
4014 if (display_type == DT_DEFAULT && !display_remote) {
4015 #if defined(CONFIG_GTK)
4016 display_type = DT_GTK;
4017 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4018 display_type = DT_SDL;
4019 #elif defined(CONFIG_VNC)
4020 vnc_display = "localhost:0,to=99";
4021 show_vnc_port = 1;
4022 #else
4023 display_type = DT_NONE;
4024 #endif
4025 }
4026
4027 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4028 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4029 "for SDL, ignoring option\n");
4030 }
4031 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4032 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4033 "ignoring option\n");
4034 }
4035
4036 #if defined(CONFIG_GTK)
4037 if (display_type == DT_GTK) {
4038 early_gtk_display_init();
4039 }
4040 #endif
4041
4042 socket_init();
4043
4044 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4045 exit(1);
4046 #ifdef CONFIG_VIRTFS
4047 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4048 exit(1);
4049 }
4050 #endif
4051
4052 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4053 fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
4054 exit(1);
4055 }
4056
4057 /* store value for the future use */
4058 qemu_opt_set_number(qemu_find_opts_singleton("memory"), "size", ram_size);
4059
4060 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4061 != 0) {
4062 exit(0);
4063 }
4064
4065 if (qemu_opts_foreach(qemu_find_opts("object"),
4066 object_create, NULL, 0) != 0) {
4067 exit(1);
4068 }
4069
4070 machine_opts = qemu_get_machine_opts();
4071 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4072 1) < 0) {
4073 object_unref(OBJECT(current_machine));
4074 exit(1);
4075 }
4076
4077 configure_accelerator(current_machine);
4078
4079 if (qtest_chrdev) {
4080 Error *local_err = NULL;
4081 qtest_init(qtest_chrdev, qtest_log, &local_err);
4082 if (local_err) {
4083 error_report("%s", error_get_pretty(local_err));
4084 error_free(local_err);
4085 exit(1);
4086 }
4087 }
4088
4089 machine_opts = qemu_get_machine_opts();
4090 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4091 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4092 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4093 bios_name = qemu_opt_get(machine_opts, "firmware");
4094
4095 boot_order = machine_class->default_boot_order;
4096 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4097 if (opts) {
4098 char *normal_boot_order;
4099 const char *order, *once;
4100
4101 order = qemu_opt_get(opts, "order");
4102 if (order) {
4103 validate_bootdevices(order);
4104 boot_order = order;
4105 }
4106
4107 once = qemu_opt_get(opts, "once");
4108 if (once) {
4109 validate_bootdevices(once);
4110 normal_boot_order = g_strdup(boot_order);
4111 boot_order = once;
4112 qemu_register_reset(restore_boot_order, normal_boot_order);
4113 }
4114
4115 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4116 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4117 }
4118
4119 if (!kernel_cmdline) {
4120 kernel_cmdline = "";
4121 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4122 }
4123
4124 linux_boot = (kernel_filename != NULL);
4125
4126 if (!linux_boot && *kernel_cmdline != '\0') {
4127 fprintf(stderr, "-append only allowed with -kernel option\n");
4128 exit(1);
4129 }
4130
4131 if (!linux_boot && initrd_filename != NULL) {
4132 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4133 exit(1);
4134 }
4135
4136 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4137 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4138 exit(1);
4139 }
4140
4141 os_set_line_buffering();
4142
4143 qemu_init_cpu_loop();
4144 qemu_mutex_lock_iothread();
4145
4146 #ifdef CONFIG_SPICE
4147 /* spice needs the timers to be initialized by this point */
4148 qemu_spice_init();
4149 #endif
4150
4151 cpu_ticks_init();
4152 if (icount_opts) {
4153 if (kvm_enabled() || xen_enabled()) {
4154 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4155 exit(1);
4156 }
4157 configure_icount(icount_opts, &error_abort);
4158 qemu_opts_del(icount_opts);
4159 }
4160
4161 /* clean up network at qemu process termination */
4162 atexit(&net_cleanup);
4163
4164 if (net_init_clients() < 0) {
4165 exit(1);
4166 }
4167
4168 #ifdef CONFIG_TPM
4169 if (tpm_init() < 0) {
4170 exit(1);
4171 }
4172 #endif
4173
4174 /* init the bluetooth world */
4175 if (foreach_device_config(DEV_BT, bt_parse))
4176 exit(1);
4177
4178 if (!xen_enabled()) {
4179 /* On 32-bit hosts, QEMU is limited by virtual address space */
4180 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4181 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4182 exit(1);
4183 }
4184 }
4185
4186 blk_mig_init();
4187 ram_mig_init();
4188
4189 /* If the currently selected machine wishes to override the units-per-bus
4190 * property of its default HBA interface type, do so now. */
4191 if (machine_class->units_per_default_bus) {
4192 override_max_devs(machine_class->block_default_type,
4193 machine_class->units_per_default_bus);
4194 }
4195
4196 /* open the virtual block devices */
4197 if (snapshot)
4198 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4199 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4200 &machine_class->block_default_type, 1) != 0) {
4201 exit(1);
4202 }
4203
4204 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4205 CDROM_OPTS);
4206 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4207 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4208
4209 if (qemu_opts_foreach(qemu_find_opts("numa"), numa_init_func,
4210 NULL, 1) != 0) {
4211 exit(1);
4212 }
4213
4214 set_numa_nodes();
4215
4216 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4217 exit(1);
4218 }
4219
4220 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4221 exit(1);
4222 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4223 exit(1);
4224 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4225 exit(1);
4226 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4227 exit(1);
4228 }
4229 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4230 exit(1);
4231
4232 /* If no default VGA is requested, the default is "none". */
4233 if (default_vga) {
4234 if (machine_class->default_display) {
4235 vga_model = machine_class->default_display;
4236 } else if (cirrus_vga_available()) {
4237 vga_model = "cirrus";
4238 } else if (vga_available()) {
4239 vga_model = "std";
4240 }
4241 }
4242 if (vga_model) {
4243 select_vgahw(vga_model);
4244 }
4245
4246 if (watchdog) {
4247 i = select_watchdog(watchdog);
4248 if (i > 0)
4249 exit (i == 1 ? 1 : 0);
4250 }
4251
4252 if (machine_class->compat_props) {
4253 qdev_prop_register_global_list(machine_class->compat_props);
4254 }
4255 qemu_add_globals();
4256
4257 qdev_machine_init();
4258
4259 current_machine->ram_size = ram_size;
4260 current_machine->maxram_size = maxram_size;
4261 current_machine->ram_slots = ram_slots;
4262 current_machine->boot_order = boot_order;
4263 current_machine->cpu_model = cpu_model;
4264
4265 machine_class->init(current_machine);
4266
4267 realtime_init();
4268
4269 audio_init();
4270
4271 cpu_synchronize_all_post_init();
4272
4273 set_numa_modes();
4274
4275 /* init USB devices */
4276 if (usb_enabled(false)) {
4277 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4278 exit(1);
4279 }
4280
4281 /* init generic devices */
4282 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4283 exit(1);
4284
4285 /* Did we create any drives that we failed to create a device for? */
4286 drive_check_orphaned();
4287
4288 net_check_clients();
4289
4290 ds = init_displaystate();
4291
4292 /* init local displays */
4293 switch (display_type) {
4294 case DT_NOGRAPHIC:
4295 (void)ds; /* avoid warning if no display is configured */
4296 break;
4297 #if defined(CONFIG_CURSES)
4298 case DT_CURSES:
4299 curses_display_init(ds, full_screen);
4300 break;
4301 #endif
4302 #if defined(CONFIG_SDL)
4303 case DT_SDL:
4304 sdl_display_init(ds, full_screen, no_frame);
4305 break;
4306 #elif defined(CONFIG_COCOA)
4307 case DT_SDL:
4308 cocoa_display_init(ds, full_screen);
4309 break;
4310 #endif
4311 #if defined(CONFIG_GTK)
4312 case DT_GTK:
4313 gtk_display_init(ds, full_screen, grab_on_hover);
4314 break;
4315 #endif
4316 default:
4317 break;
4318 }
4319
4320 /* must be after terminal init, SDL library changes signal handlers */
4321 os_setup_signal_handling();
4322
4323 #ifdef CONFIG_VNC
4324 /* init remote displays */
4325 if (vnc_display) {
4326 Error *local_err = NULL;
4327 vnc_display_init(ds);
4328 vnc_display_open(ds, vnc_display, &local_err);
4329 if (local_err != NULL) {
4330 error_report("Failed to start VNC server on `%s': %s",
4331 vnc_display, error_get_pretty(local_err));
4332 error_free(local_err);
4333 exit(1);
4334 }
4335
4336 if (show_vnc_port) {
4337 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4338 }
4339 }
4340 #endif
4341 #ifdef CONFIG_SPICE
4342 if (using_spice) {
4343 qemu_spice_display_init();
4344 }
4345 #endif
4346
4347 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4348 exit(1);
4349 }
4350
4351 qdev_machine_creation_done();
4352
4353 if (rom_load_all() != 0) {
4354 fprintf(stderr, "rom loading failed\n");
4355 exit(1);
4356 }
4357
4358 /* TODO: once all bus devices are qdevified, this should be done
4359 * when bus is created by qdev.c */
4360 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4361 qemu_run_machine_init_done_notifiers();
4362
4363 /* Done notifiers can load ROMs */
4364 rom_load_done();
4365
4366 qemu_system_reset(VMRESET_SILENT);
4367 if (loadvm) {
4368 if (load_vmstate(loadvm) < 0) {
4369 autostart = 0;
4370 }
4371 }
4372
4373 qdev_prop_check_globals();
4374 if (vmstate_dump_file) {
4375 /* dump and exit */
4376 dump_vmstate_json_to_file(vmstate_dump_file);
4377 return 0;
4378 }
4379
4380 if (incoming) {
4381 Error *local_err = NULL;
4382 qemu_start_incoming_migration(incoming, &local_err);
4383 if (local_err) {
4384 error_report("-incoming %s: %s", incoming,
4385 error_get_pretty(local_err));
4386 error_free(local_err);
4387 exit(1);
4388 }
4389 } else if (autostart) {
4390 vm_start();
4391 }
4392
4393 os_setup_post();
4394
4395 if (is_daemonized()) {
4396 if (!trace_init_backends(trace_events, trace_file)) {
4397 exit(1);
4398 }
4399 }
4400
4401 main_loop();
4402 bdrv_close_all();
4403 pause_all_vcpus();
4404 res_free();
4405 #ifdef CONFIG_TPM
4406 tpm_cleanup();
4407 #endif
4408
4409 return 0;
4410 }
QEMU Monitor Protocol