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block: add backing-file option to block-stream
[qemu.git] / vl.c
blob41ddcd267881ece2420e08f83167b0c39f117fbc
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 "hw/usb.h"
65 #include "hw/pcmcia.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 int nb_nics;
138 NICInfo nd_table[MAX_NICS];
139 int autostart;
140 static int rtc_utc = 1;
141 static int rtc_date_offset = -1; /* -1 means no change */
142 QEMUClockType rtc_clock;
143 int vga_interface_type = VGA_NONE;
144 static int full_screen = 0;
145 static int no_frame = 0;
146 int no_quit = 0;
147 #ifdef CONFIG_GTK
148 static bool grab_on_hover;
149 #endif
150 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
151 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
152 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
153 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
154 int win2k_install_hack = 0;
155 int singlestep = 0;
156 int smp_cpus = 1;
157 int max_cpus = 0;
158 int smp_cores = 1;
159 int smp_threads = 1;
160 #ifdef CONFIG_VNC
161 const char *vnc_display;
162 #endif
163 int acpi_enabled = 1;
164 int no_hpet = 0;
165 int fd_bootchk = 1;
166 static int no_reboot;
167 int no_shutdown = 0;
168 int cursor_hide = 1;
169 int graphic_rotate = 0;
170 const char *watchdog;
171 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
172 int nb_option_roms;
173 int semihosting_enabled = 0;
174 int old_param = 0;
175 const char *qemu_name;
176 int alt_grab = 0;
177 int ctrl_grab = 0;
178 unsigned int nb_prom_envs = 0;
179 const char *prom_envs[MAX_PROM_ENVS];
180 int boot_menu;
181 static bool boot_strict;
182 uint8_t *boot_splash_filedata;
183 size_t boot_splash_filedata_size;
184 uint8_t qemu_extra_params_fw[2];
185
186 typedef struct FWBootEntry FWBootEntry;
187
188 struct FWBootEntry {
189 QTAILQ_ENTRY(FWBootEntry) link;
190 int32_t bootindex;
191 DeviceState *dev;
192 char *suffix;
193 };
194
195 static QTAILQ_HEAD(, FWBootEntry) fw_boot_order =
196 QTAILQ_HEAD_INITIALIZER(fw_boot_order);
197
198 int nb_numa_nodes;
199 int max_numa_nodeid;
200 NodeInfo numa_info[MAX_NODES];
201
202 uint8_t qemu_uuid[16];
203 bool qemu_uuid_set;
204
205 static QEMUBootSetHandler *boot_set_handler;
206 static void *boot_set_opaque;
207
208 static NotifierList exit_notifiers =
209 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
210
211 static NotifierList machine_init_done_notifiers =
212 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
213
214 static bool tcg_allowed = true;
215 bool xen_allowed;
216 uint32_t xen_domid;
217 enum xen_mode xen_mode = XEN_EMULATE;
218 static int tcg_tb_size;
219
220 static int has_defaults = 1;
221 static int default_serial = 1;
222 static int default_parallel = 1;
223 static int default_virtcon = 1;
224 static int default_sclp = 1;
225 static int default_monitor = 1;
226 static int default_floppy = 1;
227 static int default_cdrom = 1;
228 static int default_sdcard = 1;
229 static int default_vga = 1;
230
231 static struct {
232 const char *driver;
233 int *flag;
234 } default_list[] = {
235 { .driver = "isa-serial", .flag = &default_serial },
236 { .driver = "isa-parallel", .flag = &default_parallel },
237 { .driver = "isa-fdc", .flag = &default_floppy },
238 { .driver = "ide-cd", .flag = &default_cdrom },
239 { .driver = "ide-hd", .flag = &default_cdrom },
240 { .driver = "ide-drive", .flag = &default_cdrom },
241 { .driver = "scsi-cd", .flag = &default_cdrom },
242 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
243 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
244 { .driver = "virtio-serial", .flag = &default_virtcon },
245 { .driver = "VGA", .flag = &default_vga },
246 { .driver = "isa-vga", .flag = &default_vga },
247 { .driver = "cirrus-vga", .flag = &default_vga },
248 { .driver = "isa-cirrus-vga", .flag = &default_vga },
249 { .driver = "vmware-svga", .flag = &default_vga },
250 { .driver = "qxl-vga", .flag = &default_vga },
251 };
252
253 static QemuOptsList qemu_rtc_opts = {
254 .name = "rtc",
255 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
256 .desc = {
257 {
258 .name = "base",
259 .type = QEMU_OPT_STRING,
260 },{
261 .name = "clock",
262 .type = QEMU_OPT_STRING,
263 },{
264 .name = "driftfix",
265 .type = QEMU_OPT_STRING,
266 },
267 { /* end of list */ }
268 },
269 };
270
271 static QemuOptsList qemu_sandbox_opts = {
272 .name = "sandbox",
273 .implied_opt_name = "enable",
274 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
275 .desc = {
276 {
277 .name = "enable",
278 .type = QEMU_OPT_BOOL,
279 },
280 { /* end of list */ }
281 },
282 };
283
284 static QemuOptsList qemu_trace_opts = {
285 .name = "trace",
286 .implied_opt_name = "trace",
287 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
288 .desc = {
289 {
290 .name = "events",
291 .type = QEMU_OPT_STRING,
292 },{
293 .name = "file",
294 .type = QEMU_OPT_STRING,
295 },
296 { /* end of list */ }
297 },
298 };
299
300 static QemuOptsList qemu_option_rom_opts = {
301 .name = "option-rom",
302 .implied_opt_name = "romfile",
303 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
304 .desc = {
305 {
306 .name = "bootindex",
307 .type = QEMU_OPT_NUMBER,
308 }, {
309 .name = "romfile",
310 .type = QEMU_OPT_STRING,
311 },
312 { /* end of list */ }
313 },
314 };
315
316 static QemuOptsList qemu_machine_opts = {
317 .name = "machine",
318 .implied_opt_name = "type",
319 .merge_lists = true,
320 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
321 .desc = {
322 {
323 .name = "type",
324 .type = QEMU_OPT_STRING,
325 .help = "emulated machine"
326 }, {
327 .name = "accel",
328 .type = QEMU_OPT_STRING,
329 .help = "accelerator list",
330 }, {
331 .name = "kernel_irqchip",
332 .type = QEMU_OPT_BOOL,
333 .help = "use KVM in-kernel irqchip",
334 }, {
335 .name = "kvm_shadow_mem",
336 .type = QEMU_OPT_SIZE,
337 .help = "KVM shadow MMU size",
338 }, {
339 .name = "kernel",
340 .type = QEMU_OPT_STRING,
341 .help = "Linux kernel image file",
342 }, {
343 .name = "initrd",
344 .type = QEMU_OPT_STRING,
345 .help = "Linux initial ramdisk file",
346 }, {
347 .name = "append",
348 .type = QEMU_OPT_STRING,
349 .help = "Linux kernel command line",
350 }, {
351 .name = "dtb",
352 .type = QEMU_OPT_STRING,
353 .help = "Linux kernel device tree file",
354 }, {
355 .name = "dumpdtb",
356 .type = QEMU_OPT_STRING,
357 .help = "Dump current dtb to a file and quit",
358 }, {
359 .name = "phandle_start",
360 .type = QEMU_OPT_NUMBER,
361 .help = "The first phandle ID we may generate dynamically",
362 }, {
363 .name = "dt_compatible",
364 .type = QEMU_OPT_STRING,
365 .help = "Overrides the \"compatible\" property of the dt root node",
366 }, {
367 .name = "dump-guest-core",
368 .type = QEMU_OPT_BOOL,
369 .help = "Include guest memory in a core dump",
370 }, {
371 .name = "mem-merge",
372 .type = QEMU_OPT_BOOL,
373 .help = "enable/disable memory merge support",
374 },{
375 .name = "usb",
376 .type = QEMU_OPT_BOOL,
377 .help = "Set on/off to enable/disable usb",
378 },{
379 .name = "firmware",
380 .type = QEMU_OPT_STRING,
381 .help = "firmware image",
382 },{
383 .name = "kvm-type",
384 .type = QEMU_OPT_STRING,
385 .help = "Specifies the KVM virtualization mode (HV, PR)",
386 },{
387 .name = PC_MACHINE_MAX_RAM_BELOW_4G,
388 .type = QEMU_OPT_SIZE,
389 .help = "maximum ram below the 4G boundary (32bit boundary)",
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 /**
541 * Get machine options
542 *
543 * Returns: machine options (never null).
544 */
545 QemuOpts *qemu_get_machine_opts(void)
546 {
547 return qemu_find_opts_singleton("machine");
548 }
549
550 const char *qemu_get_vm_name(void)
551 {
552 return qemu_name;
553 }
554
555 static void res_free(void)
556 {
557 if (boot_splash_filedata != NULL) {
558 g_free(boot_splash_filedata);
559 boot_splash_filedata = NULL;
560 }
561 }
562
563 static int default_driver_check(QemuOpts *opts, void *opaque)
564 {
565 const char *driver = qemu_opt_get(opts, "driver");
566 int i;
567
568 if (!driver)
569 return 0;
570 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
571 if (strcmp(default_list[i].driver, driver) != 0)
572 continue;
573 *(default_list[i].flag) = 0;
574 }
575 return 0;
576 }
577
578 /***********************************************************/
579 /* QEMU state */
580
581 static RunState current_run_state = RUN_STATE_PRELAUNCH;
582
583 /* We use RUN_STATE_MAX but any invalid value will do */
584 static RunState vmstop_requested = RUN_STATE_MAX;
585 static QemuMutex vmstop_lock;
586
587 typedef struct {
588 RunState from;
589 RunState to;
590 } RunStateTransition;
591
592 static const RunStateTransition runstate_transitions_def[] = {
593 /* from -> to */
594 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
595 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
596
597 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
598 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
599
600 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
601 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
602
603 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
604 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
605
606 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
607 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
608
609 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
610 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
611
612 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
613 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
614 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
615
616 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
617 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
618
619 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
620
621 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
622 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
623 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
624 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
625 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
626 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
627 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
628 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
629 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
630 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
631
632 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
633
634 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
635 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
636
637 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
638 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
639 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
640 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
641
642 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
643 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
644
645 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
646 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
647
648 { RUN_STATE_MAX, RUN_STATE_MAX },
649 };
650
651 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
652
653 bool runstate_check(RunState state)
654 {
655 return current_run_state == state;
656 }
657
658 static void runstate_init(void)
659 {
660 const RunStateTransition *p;
661
662 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
663 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
664 runstate_valid_transitions[p->from][p->to] = true;
665 }
666
667 qemu_mutex_init(&vmstop_lock);
668 }
669
670 /* This function will abort() on invalid state transitions */
671 void runstate_set(RunState new_state)
672 {
673 assert(new_state < RUN_STATE_MAX);
674
675 if (!runstate_valid_transitions[current_run_state][new_state]) {
676 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
677 RunState_lookup[current_run_state],
678 RunState_lookup[new_state]);
679 abort();
680 }
681 trace_runstate_set(new_state);
682 current_run_state = new_state;
683 }
684
685 int runstate_is_running(void)
686 {
687 return runstate_check(RUN_STATE_RUNNING);
688 }
689
690 bool runstate_needs_reset(void)
691 {
692 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
693 runstate_check(RUN_STATE_SHUTDOWN);
694 }
695
696 StatusInfo *qmp_query_status(Error **errp)
697 {
698 StatusInfo *info = g_malloc0(sizeof(*info));
699
700 info->running = runstate_is_running();
701 info->singlestep = singlestep;
702 info->status = current_run_state;
703
704 return info;
705 }
706
707 static bool qemu_vmstop_requested(RunState *r)
708 {
709 qemu_mutex_lock(&vmstop_lock);
710 *r = vmstop_requested;
711 vmstop_requested = RUN_STATE_MAX;
712 qemu_mutex_unlock(&vmstop_lock);
713 return *r < RUN_STATE_MAX;
714 }
715
716 void qemu_system_vmstop_request_prepare(void)
717 {
718 qemu_mutex_lock(&vmstop_lock);
719 }
720
721 void qemu_system_vmstop_request(RunState state)
722 {
723 vmstop_requested = state;
724 qemu_mutex_unlock(&vmstop_lock);
725 qemu_notify_event();
726 }
727
728 void vm_start(void)
729 {
730 RunState requested;
731
732 qemu_vmstop_requested(&requested);
733 if (runstate_is_running() && requested == RUN_STATE_MAX) {
734 return;
735 }
736
737 /* Ensure that a STOP/RESUME pair of events is emitted if a
738 * vmstop request was pending. The BLOCK_IO_ERROR event, for
739 * example, according to documentation is always followed by
740 * the STOP event.
741 */
742 if (runstate_is_running()) {
743 qapi_event_send_stop(&error_abort);
744 } else {
745 cpu_enable_ticks();
746 runstate_set(RUN_STATE_RUNNING);
747 vm_state_notify(1, RUN_STATE_RUNNING);
748 resume_all_vcpus();
749 }
750
751 qapi_event_send_resume(&error_abort);
752 }
753
754
755 /***********************************************************/
756 /* real time host monotonic timer */
757
758 /***********************************************************/
759 /* host time/date access */
760 void qemu_get_timedate(struct tm *tm, int offset)
761 {
762 time_t ti;
763
764 time(&ti);
765 ti += offset;
766 if (rtc_date_offset == -1) {
767 if (rtc_utc)
768 gmtime_r(&ti, tm);
769 else
770 localtime_r(&ti, tm);
771 } else {
772 ti -= rtc_date_offset;
773 gmtime_r(&ti, tm);
774 }
775 }
776
777 int qemu_timedate_diff(struct tm *tm)
778 {
779 time_t seconds;
780
781 if (rtc_date_offset == -1)
782 if (rtc_utc)
783 seconds = mktimegm(tm);
784 else {
785 struct tm tmp = *tm;
786 tmp.tm_isdst = -1; /* use timezone to figure it out */
787 seconds = mktime(&tmp);
788 }
789 else
790 seconds = mktimegm(tm) + rtc_date_offset;
791
792 return seconds - time(NULL);
793 }
794
795 static void configure_rtc_date_offset(const char *startdate, int legacy)
796 {
797 time_t rtc_start_date;
798 struct tm tm;
799
800 if (!strcmp(startdate, "now") && legacy) {
801 rtc_date_offset = -1;
802 } else {
803 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
804 &tm.tm_year,
805 &tm.tm_mon,
806 &tm.tm_mday,
807 &tm.tm_hour,
808 &tm.tm_min,
809 &tm.tm_sec) == 6) {
810 /* OK */
811 } else if (sscanf(startdate, "%d-%d-%d",
812 &tm.tm_year,
813 &tm.tm_mon,
814 &tm.tm_mday) == 3) {
815 tm.tm_hour = 0;
816 tm.tm_min = 0;
817 tm.tm_sec = 0;
818 } else {
819 goto date_fail;
820 }
821 tm.tm_year -= 1900;
822 tm.tm_mon--;
823 rtc_start_date = mktimegm(&tm);
824 if (rtc_start_date == -1) {
825 date_fail:
826 fprintf(stderr, "Invalid date format. Valid formats are:\n"
827 "'2006-06-17T16:01:21' or '2006-06-17'\n");
828 exit(1);
829 }
830 rtc_date_offset = time(NULL) - rtc_start_date;
831 }
832 }
833
834 static void configure_rtc(QemuOpts *opts)
835 {
836 const char *value;
837
838 value = qemu_opt_get(opts, "base");
839 if (value) {
840 if (!strcmp(value, "utc")) {
841 rtc_utc = 1;
842 } else if (!strcmp(value, "localtime")) {
843 rtc_utc = 0;
844 } else {
845 configure_rtc_date_offset(value, 0);
846 }
847 }
848 value = qemu_opt_get(opts, "clock");
849 if (value) {
850 if (!strcmp(value, "host")) {
851 rtc_clock = QEMU_CLOCK_HOST;
852 } else if (!strcmp(value, "rt")) {
853 rtc_clock = QEMU_CLOCK_REALTIME;
854 } else if (!strcmp(value, "vm")) {
855 rtc_clock = QEMU_CLOCK_VIRTUAL;
856 } else {
857 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
858 exit(1);
859 }
860 }
861 value = qemu_opt_get(opts, "driftfix");
862 if (value) {
863 if (!strcmp(value, "slew")) {
864 static GlobalProperty slew_lost_ticks[] = {
865 {
866 .driver = "mc146818rtc",
867 .property = "lost_tick_policy",
868 .value = "slew",
869 },
870 { /* end of list */ }
871 };
872
873 qdev_prop_register_global_list(slew_lost_ticks);
874 } else if (!strcmp(value, "none")) {
875 /* discard is default */
876 } else {
877 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
878 exit(1);
879 }
880 }
881 }
882
883 /***********************************************************/
884 /* Bluetooth support */
885 static int nb_hcis;
886 static int cur_hci;
887 static struct HCIInfo *hci_table[MAX_NICS];
888
889 struct HCIInfo *qemu_next_hci(void)
890 {
891 if (cur_hci == nb_hcis)
892 return &null_hci;
893
894 return hci_table[cur_hci++];
895 }
896
897 static int bt_hci_parse(const char *str)
898 {
899 struct HCIInfo *hci;
900 bdaddr_t bdaddr;
901
902 if (nb_hcis >= MAX_NICS) {
903 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
904 return -1;
905 }
906
907 hci = hci_init(str);
908 if (!hci)
909 return -1;
910
911 bdaddr.b[0] = 0x52;
912 bdaddr.b[1] = 0x54;
913 bdaddr.b[2] = 0x00;
914 bdaddr.b[3] = 0x12;
915 bdaddr.b[4] = 0x34;
916 bdaddr.b[5] = 0x56 + nb_hcis;
917 hci->bdaddr_set(hci, bdaddr.b);
918
919 hci_table[nb_hcis++] = hci;
920
921 return 0;
922 }
923
924 static void bt_vhci_add(int vlan_id)
925 {
926 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
927
928 if (!vlan->slave)
929 fprintf(stderr, "qemu: warning: adding a VHCI to "
930 "an empty scatternet %i\n", vlan_id);
931
932 bt_vhci_init(bt_new_hci(vlan));
933 }
934
935 static struct bt_device_s *bt_device_add(const char *opt)
936 {
937 struct bt_scatternet_s *vlan;
938 int vlan_id = 0;
939 char *endp = strstr(opt, ",vlan=");
940 int len = (endp ? endp - opt : strlen(opt)) + 1;
941 char devname[10];
942
943 pstrcpy(devname, MIN(sizeof(devname), len), opt);
944
945 if (endp) {
946 vlan_id = strtol(endp + 6, &endp, 0);
947 if (*endp) {
948 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
949 return 0;
950 }
951 }
952
953 vlan = qemu_find_bt_vlan(vlan_id);
954
955 if (!vlan->slave)
956 fprintf(stderr, "qemu: warning: adding a slave device to "
957 "an empty scatternet %i\n", vlan_id);
958
959 if (!strcmp(devname, "keyboard"))
960 return bt_keyboard_init(vlan);
961
962 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
963 return 0;
964 }
965
966 static int bt_parse(const char *opt)
967 {
968 const char *endp, *p;
969 int vlan;
970
971 if (strstart(opt, "hci", &endp)) {
972 if (!*endp || *endp == ',') {
973 if (*endp)
974 if (!strstart(endp, ",vlan=", 0))
975 opt = endp + 1;
976
977 return bt_hci_parse(opt);
978 }
979 } else if (strstart(opt, "vhci", &endp)) {
980 if (!*endp || *endp == ',') {
981 if (*endp) {
982 if (strstart(endp, ",vlan=", &p)) {
983 vlan = strtol(p, (char **) &endp, 0);
984 if (*endp) {
985 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
986 return 1;
987 }
988 } else {
989 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
990 return 1;
991 }
992 } else
993 vlan = 0;
994
995 bt_vhci_add(vlan);
996 return 0;
997 }
998 } else if (strstart(opt, "device:", &endp))
999 return !bt_device_add(endp);
1000
1001 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
1002 return 1;
1003 }
1004
1005 static int parse_sandbox(QemuOpts *opts, void *opaque)
1006 {
1007 /* FIXME: change this to true for 1.3 */
1008 if (qemu_opt_get_bool(opts, "enable", false)) {
1009 #ifdef CONFIG_SECCOMP
1010 if (seccomp_start() < 0) {
1011 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1012 "failed to install seccomp syscall filter in the kernel");
1013 return -1;
1014 }
1015 #else
1016 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1017 "sandboxing request but seccomp is not compiled into this build");
1018 return -1;
1019 #endif
1020 }
1021
1022 return 0;
1023 }
1024
1025 static int parse_name(QemuOpts *opts, void *opaque)
1026 {
1027 const char *proc_name;
1028
1029 if (qemu_opt_get(opts, "debug-threads")) {
1030 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1031 }
1032 qemu_name = qemu_opt_get(opts, "guest");
1033
1034 proc_name = qemu_opt_get(opts, "process");
1035 if (proc_name) {
1036 os_set_proc_name(proc_name);
1037 }
1038
1039 return 0;
1040 }
1041
1042 bool usb_enabled(bool default_usb)
1043 {
1044 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb",
1045 has_defaults && default_usb);
1046 }
1047
1048 #ifndef _WIN32
1049 static int parse_add_fd(QemuOpts *opts, void *opaque)
1050 {
1051 int fd, dupfd, flags;
1052 int64_t fdset_id;
1053 const char *fd_opaque = NULL;
1054
1055 fd = qemu_opt_get_number(opts, "fd", -1);
1056 fdset_id = qemu_opt_get_number(opts, "set", -1);
1057 fd_opaque = qemu_opt_get(opts, "opaque");
1058
1059 if (fd < 0) {
1060 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1061 "fd option is required and must be non-negative");
1062 return -1;
1063 }
1064
1065 if (fd <= STDERR_FILENO) {
1066 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1067 "fd cannot be a standard I/O stream");
1068 return -1;
1069 }
1070
1071 /*
1072 * All fds inherited across exec() necessarily have FD_CLOEXEC
1073 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1074 */
1075 flags = fcntl(fd, F_GETFD);
1076 if (flags == -1 || (flags & FD_CLOEXEC)) {
1077 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1078 "fd is not valid or already in use");
1079 return -1;
1080 }
1081
1082 if (fdset_id < 0) {
1083 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1084 "set option is required and must be non-negative");
1085 return -1;
1086 }
1087
1088 #ifdef F_DUPFD_CLOEXEC
1089 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1090 #else
1091 dupfd = dup(fd);
1092 if (dupfd != -1) {
1093 qemu_set_cloexec(dupfd);
1094 }
1095 #endif
1096 if (dupfd == -1) {
1097 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1098 "Error duplicating fd: %s", strerror(errno));
1099 return -1;
1100 }
1101
1102 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1103 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1104 fd_opaque, NULL);
1105
1106 return 0;
1107 }
1108
1109 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1110 {
1111 int fd;
1112
1113 fd = qemu_opt_get_number(opts, "fd", -1);
1114 close(fd);
1115
1116 return 0;
1117 }
1118 #endif
1119
1120 /***********************************************************/
1121 /* QEMU Block devices */
1122
1123 #define HD_OPTS "media=disk"
1124 #define CDROM_OPTS "media=cdrom"
1125 #define FD_OPTS ""
1126 #define PFLASH_OPTS ""
1127 #define MTD_OPTS ""
1128 #define SD_OPTS ""
1129
1130 static int drive_init_func(QemuOpts *opts, void *opaque)
1131 {
1132 BlockInterfaceType *block_default_type = opaque;
1133
1134 return drive_new(opts, *block_default_type) == NULL;
1135 }
1136
1137 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1138 {
1139 if (NULL == qemu_opt_get(opts, "snapshot")) {
1140 qemu_opt_set(opts, "snapshot", "on");
1141 }
1142 return 0;
1143 }
1144
1145 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1146 int index, const char *optstr)
1147 {
1148 QemuOpts *opts;
1149
1150 if (!enable || drive_get_by_index(type, index)) {
1151 return;
1152 }
1153
1154 opts = drive_add(type, index, NULL, optstr);
1155 if (snapshot) {
1156 drive_enable_snapshot(opts, NULL);
1157 }
1158 if (!drive_new(opts, type)) {
1159 exit(1);
1160 }
1161 }
1162
1163 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1164 {
1165 boot_set_handler = func;
1166 boot_set_opaque = opaque;
1167 }
1168
1169 int qemu_boot_set(const char *boot_order)
1170 {
1171 if (!boot_set_handler) {
1172 return -EINVAL;
1173 }
1174 return boot_set_handler(boot_set_opaque, boot_order);
1175 }
1176
1177 static void validate_bootdevices(const char *devices)
1178 {
1179 /* We just do some generic consistency checks */
1180 const char *p;
1181 int bitmap = 0;
1182
1183 for (p = devices; *p != '\0'; p++) {
1184 /* Allowed boot devices are:
1185 * a-b: floppy disk drives
1186 * c-f: IDE disk drives
1187 * g-m: machine implementation dependent drives
1188 * n-p: network devices
1189 * It's up to each machine implementation to check if the given boot
1190 * devices match the actual hardware implementation and firmware
1191 * features.
1192 */
1193 if (*p < 'a' || *p > 'p') {
1194 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1195 exit(1);
1196 }
1197 if (bitmap & (1 << (*p - 'a'))) {
1198 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1199 exit(1);
1200 }
1201 bitmap |= 1 << (*p - 'a');
1202 }
1203 }
1204
1205 static void restore_boot_order(void *opaque)
1206 {
1207 char *normal_boot_order = opaque;
1208 static int first = 1;
1209
1210 /* Restore boot order and remove ourselves after the first boot */
1211 if (first) {
1212 first = 0;
1213 return;
1214 }
1215
1216 qemu_boot_set(normal_boot_order);
1217
1218 qemu_unregister_reset(restore_boot_order, normal_boot_order);
1219 g_free(normal_boot_order);
1220 }
1221
1222 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
1223 const char *suffix)
1224 {
1225 FWBootEntry *node, *i;
1226
1227 if (bootindex < 0) {
1228 return;
1229 }
1230
1231 assert(dev != NULL || suffix != NULL);
1232
1233 node = g_malloc0(sizeof(FWBootEntry));
1234 node->bootindex = bootindex;
1235 node->suffix = g_strdup(suffix);
1236 node->dev = dev;
1237
1238 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1239 if (i->bootindex == bootindex) {
1240 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1241 exit(1);
1242 } else if (i->bootindex < bootindex) {
1243 continue;
1244 }
1245 QTAILQ_INSERT_BEFORE(i, node, link);
1246 return;
1247 }
1248 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1249 }
1250
1251 DeviceState *get_boot_device(uint32_t position)
1252 {
1253 uint32_t counter = 0;
1254 FWBootEntry *i = NULL;
1255 DeviceState *res = NULL;
1256
1257 if (!QTAILQ_EMPTY(&fw_boot_order)) {
1258 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1259 if (counter == position) {
1260 res = i->dev;
1261 break;
1262 }
1263 counter++;
1264 }
1265 }
1266 return res;
1267 }
1268
1269 /*
1270 * This function returns null terminated string that consist of new line
1271 * separated device paths.
1272 *
1273 * memory pointed by "size" is assigned total length of the array in bytes
1274 *
1275 */
1276 char *get_boot_devices_list(size_t *size, bool ignore_suffixes)
1277 {
1278 FWBootEntry *i;
1279 size_t total = 0;
1280 char *list = NULL;
1281
1282 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1283 char *devpath = NULL, *bootpath;
1284 size_t len;
1285
1286 if (i->dev) {
1287 devpath = qdev_get_fw_dev_path(i->dev);
1288 assert(devpath);
1289 }
1290
1291 if (i->suffix && !ignore_suffixes && devpath) {
1292 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1293
1294 bootpath = g_malloc(bootpathlen);
1295 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1296 g_free(devpath);
1297 } else if (devpath) {
1298 bootpath = devpath;
1299 } else if (!ignore_suffixes) {
1300 assert(i->suffix);
1301 bootpath = g_strdup(i->suffix);
1302 } else {
1303 bootpath = g_strdup("");
1304 }
1305
1306 if (total) {
1307 list[total-1] = '\n';
1308 }
1309 len = strlen(bootpath) + 1;
1310 list = g_realloc(list, total + len);
1311 memcpy(&list[total], bootpath, len);
1312 total += len;
1313 g_free(bootpath);
1314 }
1315
1316 *size = total;
1317
1318 if (boot_strict && *size > 0) {
1319 list[total-1] = '\n';
1320 list = g_realloc(list, total + 5);
1321 memcpy(&list[total], "HALT", 5);
1322 *size = total + 5;
1323 }
1324 return list;
1325 }
1326
1327 static QemuOptsList qemu_smp_opts = {
1328 .name = "smp-opts",
1329 .implied_opt_name = "cpus",
1330 .merge_lists = true,
1331 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1332 .desc = {
1333 {
1334 .name = "cpus",
1335 .type = QEMU_OPT_NUMBER,
1336 }, {
1337 .name = "sockets",
1338 .type = QEMU_OPT_NUMBER,
1339 }, {
1340 .name = "cores",
1341 .type = QEMU_OPT_NUMBER,
1342 }, {
1343 .name = "threads",
1344 .type = QEMU_OPT_NUMBER,
1345 }, {
1346 .name = "maxcpus",
1347 .type = QEMU_OPT_NUMBER,
1348 },
1349 { /*End of list */ }
1350 },
1351 };
1352
1353 static void smp_parse(QemuOpts *opts)
1354 {
1355 if (opts) {
1356
1357 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1358 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1359 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1360 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1361
1362 /* compute missing values, prefer sockets over cores over threads */
1363 if (cpus == 0 || sockets == 0) {
1364 sockets = sockets > 0 ? sockets : 1;
1365 cores = cores > 0 ? cores : 1;
1366 threads = threads > 0 ? threads : 1;
1367 if (cpus == 0) {
1368 cpus = cores * threads * sockets;
1369 }
1370 } else {
1371 if (cores == 0) {
1372 threads = threads > 0 ? threads : 1;
1373 cores = cpus / (sockets * threads);
1374 } else {
1375 threads = cpus / (cores * sockets);
1376 }
1377 }
1378
1379 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1380
1381 smp_cpus = cpus;
1382 smp_cores = cores > 0 ? cores : 1;
1383 smp_threads = threads > 0 ? threads : 1;
1384
1385 }
1386
1387 if (max_cpus == 0) {
1388 max_cpus = smp_cpus;
1389 }
1390
1391 if (max_cpus > MAX_CPUMASK_BITS) {
1392 fprintf(stderr, "Unsupported number of maxcpus\n");
1393 exit(1);
1394 }
1395 if (max_cpus < smp_cpus) {
1396 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1397 exit(1);
1398 }
1399
1400 }
1401
1402 static void configure_realtime(QemuOpts *opts)
1403 {
1404 bool enable_mlock;
1405
1406 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
1407
1408 if (enable_mlock) {
1409 if (os_mlock() < 0) {
1410 fprintf(stderr, "qemu: locking memory failed\n");
1411 exit(1);
1412 }
1413 }
1414 }
1415
1416
1417 static void configure_msg(QemuOpts *opts)
1418 {
1419 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1420 }
1421
1422 /***********************************************************/
1423 /* USB devices */
1424
1425 static int usb_device_add(const char *devname)
1426 {
1427 USBDevice *dev = NULL;
1428 #ifndef CONFIG_LINUX
1429 const char *p;
1430 #endif
1431
1432 if (!usb_enabled(false)) {
1433 return -1;
1434 }
1435
1436 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1437 dev = usbdevice_create(devname);
1438 if (dev)
1439 goto done;
1440
1441 /* the other ones */
1442 #ifndef CONFIG_LINUX
1443 /* only the linux version is qdev-ified, usb-bsd still needs this */
1444 if (strstart(devname, "host:", &p)) {
1445 dev = usb_host_device_open(usb_bus_find(-1), p);
1446 }
1447 #endif
1448 if (!dev)
1449 return -1;
1450
1451 done:
1452 return 0;
1453 }
1454
1455 static int usb_device_del(const char *devname)
1456 {
1457 int bus_num, addr;
1458 const char *p;
1459
1460 if (strstart(devname, "host:", &p)) {
1461 return -1;
1462 }
1463
1464 if (!usb_enabled(false)) {
1465 return -1;
1466 }
1467
1468 p = strchr(devname, '.');
1469 if (!p)
1470 return -1;
1471 bus_num = strtoul(devname, NULL, 0);
1472 addr = strtoul(p + 1, NULL, 0);
1473
1474 return usb_device_delete_addr(bus_num, addr);
1475 }
1476
1477 static int usb_parse(const char *cmdline)
1478 {
1479 int r;
1480 r = usb_device_add(cmdline);
1481 if (r < 0) {
1482 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1483 }
1484 return r;
1485 }
1486
1487 void do_usb_add(Monitor *mon, const QDict *qdict)
1488 {
1489 const char *devname = qdict_get_str(qdict, "devname");
1490 if (usb_device_add(devname) < 0) {
1491 error_report("could not add USB device '%s'", devname);
1492 }
1493 }
1494
1495 void do_usb_del(Monitor *mon, const QDict *qdict)
1496 {
1497 const char *devname = qdict_get_str(qdict, "devname");
1498 if (usb_device_del(devname) < 0) {
1499 error_report("could not delete USB device '%s'", devname);
1500 }
1501 }
1502
1503 /***********************************************************/
1504 /* PCMCIA/Cardbus */
1505
1506 static struct pcmcia_socket_entry_s {
1507 PCMCIASocket *socket;
1508 struct pcmcia_socket_entry_s *next;
1509 } *pcmcia_sockets = 0;
1510
1511 void pcmcia_socket_register(PCMCIASocket *socket)
1512 {
1513 struct pcmcia_socket_entry_s *entry;
1514
1515 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1516 entry->socket = socket;
1517 entry->next = pcmcia_sockets;
1518 pcmcia_sockets = entry;
1519 }
1520
1521 void pcmcia_socket_unregister(PCMCIASocket *socket)
1522 {
1523 struct pcmcia_socket_entry_s *entry, **ptr;
1524
1525 ptr = &pcmcia_sockets;
1526 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1527 if (entry->socket == socket) {
1528 *ptr = entry->next;
1529 g_free(entry);
1530 }
1531 }
1532
1533 void pcmcia_info(Monitor *mon, const QDict *qdict)
1534 {
1535 struct pcmcia_socket_entry_s *iter;
1536
1537 if (!pcmcia_sockets)
1538 monitor_printf(mon, "No PCMCIA sockets\n");
1539
1540 for (iter = pcmcia_sockets; iter; iter = iter->next)
1541 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1542 iter->socket->attached ? iter->socket->card_string :
1543 "Empty");
1544 }
1545
1546 /***********************************************************/
1547 /* machine registration */
1548
1549 MachineState *current_machine;
1550
1551 static void machine_class_init(ObjectClass *oc, void *data)
1552 {
1553 MachineClass *mc = MACHINE_CLASS(oc);
1554 QEMUMachine *qm = data;
1555
1556 mc->name = qm->name;
1557 mc->alias = qm->alias;
1558 mc->desc = qm->desc;
1559 mc->init = qm->init;
1560 mc->reset = qm->reset;
1561 mc->hot_add_cpu = qm->hot_add_cpu;
1562 mc->kvm_type = qm->kvm_type;
1563 mc->block_default_type = qm->block_default_type;
1564 mc->max_cpus = qm->max_cpus;
1565 mc->no_serial = qm->no_serial;
1566 mc->no_parallel = qm->no_parallel;
1567 mc->use_virtcon = qm->use_virtcon;
1568 mc->use_sclp = qm->use_sclp;
1569 mc->no_floppy = qm->no_floppy;
1570 mc->no_cdrom = qm->no_cdrom;
1571 mc->no_sdcard = qm->no_sdcard;
1572 mc->is_default = qm->is_default;
1573 mc->default_machine_opts = qm->default_machine_opts;
1574 mc->default_boot_order = qm->default_boot_order;
1575 mc->compat_props = qm->compat_props;
1576 mc->hw_version = qm->hw_version;
1577 }
1578
1579 int qemu_register_machine(QEMUMachine *m)
1580 {
1581 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1582 TypeInfo ti = {
1583 .name = name,
1584 .parent = TYPE_MACHINE,
1585 .class_init = machine_class_init,
1586 .class_data = (void *)m,
1587 };
1588
1589 type_register(&ti);
1590 g_free(name);
1591
1592 return 0;
1593 }
1594
1595 static MachineClass *find_machine(const char *name)
1596 {
1597 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1598 MachineClass *mc = NULL;
1599
1600 for (el = machines; el; el = el->next) {
1601 MachineClass *temp = el->data;
1602
1603 if (!strcmp(temp->name, name)) {
1604 mc = temp;
1605 break;
1606 }
1607 if (temp->alias &&
1608 !strcmp(temp->alias, name)) {
1609 mc = temp;
1610 break;
1611 }
1612 }
1613
1614 g_slist_free(machines);
1615 return mc;
1616 }
1617
1618 MachineClass *find_default_machine(void)
1619 {
1620 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1621 MachineClass *mc = NULL;
1622
1623 for (el = machines; el; el = el->next) {
1624 MachineClass *temp = el->data;
1625
1626 if (temp->is_default) {
1627 mc = temp;
1628 break;
1629 }
1630 }
1631
1632 g_slist_free(machines);
1633 return mc;
1634 }
1635
1636 MachineInfoList *qmp_query_machines(Error **errp)
1637 {
1638 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1639 MachineInfoList *mach_list = NULL;
1640
1641 for (el = machines; el; el = el->next) {
1642 MachineClass *mc = el->data;
1643 MachineInfoList *entry;
1644 MachineInfo *info;
1645
1646 info = g_malloc0(sizeof(*info));
1647 if (mc->is_default) {
1648 info->has_is_default = true;
1649 info->is_default = true;
1650 }
1651
1652 if (mc->alias) {
1653 info->has_alias = true;
1654 info->alias = g_strdup(mc->alias);
1655 }
1656
1657 info->name = g_strdup(mc->name);
1658 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1659
1660 entry = g_malloc0(sizeof(*entry));
1661 entry->value = info;
1662 entry->next = mach_list;
1663 mach_list = entry;
1664 }
1665
1666 g_slist_free(machines);
1667 return mach_list;
1668 }
1669
1670 /***********************************************************/
1671 /* main execution loop */
1672
1673 struct vm_change_state_entry {
1674 VMChangeStateHandler *cb;
1675 void *opaque;
1676 QLIST_ENTRY (vm_change_state_entry) entries;
1677 };
1678
1679 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1680
1681 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1682 void *opaque)
1683 {
1684 VMChangeStateEntry *e;
1685
1686 e = g_malloc0(sizeof (*e));
1687
1688 e->cb = cb;
1689 e->opaque = opaque;
1690 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1691 return e;
1692 }
1693
1694 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1695 {
1696 QLIST_REMOVE (e, entries);
1697 g_free (e);
1698 }
1699
1700 void vm_state_notify(int running, RunState state)
1701 {
1702 VMChangeStateEntry *e;
1703
1704 trace_vm_state_notify(running, state);
1705
1706 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1707 e->cb(e->opaque, running, state);
1708 }
1709 }
1710
1711 /* reset/shutdown handler */
1712
1713 typedef struct QEMUResetEntry {
1714 QTAILQ_ENTRY(QEMUResetEntry) entry;
1715 QEMUResetHandler *func;
1716 void *opaque;
1717 } QEMUResetEntry;
1718
1719 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1720 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1721 static int reset_requested;
1722 static int shutdown_requested, shutdown_signal = -1;
1723 static pid_t shutdown_pid;
1724 static int powerdown_requested;
1725 static int debug_requested;
1726 static int suspend_requested;
1727 static WakeupReason wakeup_reason;
1728 static NotifierList powerdown_notifiers =
1729 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1730 static NotifierList suspend_notifiers =
1731 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1732 static NotifierList wakeup_notifiers =
1733 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1734 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1735
1736 int qemu_shutdown_requested_get(void)
1737 {
1738 return shutdown_requested;
1739 }
1740
1741 int qemu_reset_requested_get(void)
1742 {
1743 return reset_requested;
1744 }
1745
1746 static int qemu_shutdown_requested(void)
1747 {
1748 int r = shutdown_requested;
1749 shutdown_requested = 0;
1750 return r;
1751 }
1752
1753 static void qemu_kill_report(void)
1754 {
1755 if (!qtest_driver() && shutdown_signal != -1) {
1756 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1757 if (shutdown_pid == 0) {
1758 /* This happens for eg ^C at the terminal, so it's worth
1759 * avoiding printing an odd message in that case.
1760 */
1761 fputc('\n', stderr);
1762 } else {
1763 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1764 }
1765 shutdown_signal = -1;
1766 }
1767 }
1768
1769 static int qemu_reset_requested(void)
1770 {
1771 int r = reset_requested;
1772 reset_requested = 0;
1773 return r;
1774 }
1775
1776 static int qemu_suspend_requested(void)
1777 {
1778 int r = suspend_requested;
1779 suspend_requested = 0;
1780 return r;
1781 }
1782
1783 static WakeupReason qemu_wakeup_requested(void)
1784 {
1785 return wakeup_reason;
1786 }
1787
1788 static int qemu_powerdown_requested(void)
1789 {
1790 int r = powerdown_requested;
1791 powerdown_requested = 0;
1792 return r;
1793 }
1794
1795 static int qemu_debug_requested(void)
1796 {
1797 int r = debug_requested;
1798 debug_requested = 0;
1799 return r;
1800 }
1801
1802 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1803 {
1804 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1805
1806 re->func = func;
1807 re->opaque = opaque;
1808 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1809 }
1810
1811 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1812 {
1813 QEMUResetEntry *re;
1814
1815 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1816 if (re->func == func && re->opaque == opaque) {
1817 QTAILQ_REMOVE(&reset_handlers, re, entry);
1818 g_free(re);
1819 return;
1820 }
1821 }
1822 }
1823
1824 void qemu_devices_reset(void)
1825 {
1826 QEMUResetEntry *re, *nre;
1827
1828 /* reset all devices */
1829 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1830 re->func(re->opaque);
1831 }
1832 }
1833
1834 void qemu_system_reset(bool report)
1835 {
1836 MachineClass *mc;
1837
1838 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1839
1840 if (mc && mc->reset) {
1841 mc->reset();
1842 } else {
1843 qemu_devices_reset();
1844 }
1845 if (report) {
1846 qapi_event_send_reset(&error_abort);
1847 }
1848 cpu_synchronize_all_post_reset();
1849 }
1850
1851 void qemu_system_reset_request(void)
1852 {
1853 if (no_reboot) {
1854 shutdown_requested = 1;
1855 } else {
1856 reset_requested = 1;
1857 }
1858 cpu_stop_current();
1859 qemu_notify_event();
1860 }
1861
1862 static void qemu_system_suspend(void)
1863 {
1864 pause_all_vcpus();
1865 notifier_list_notify(&suspend_notifiers, NULL);
1866 runstate_set(RUN_STATE_SUSPENDED);
1867 qapi_event_send_suspend(&error_abort);
1868 }
1869
1870 void qemu_system_suspend_request(void)
1871 {
1872 if (runstate_check(RUN_STATE_SUSPENDED)) {
1873 return;
1874 }
1875 suspend_requested = 1;
1876 cpu_stop_current();
1877 qemu_notify_event();
1878 }
1879
1880 void qemu_register_suspend_notifier(Notifier *notifier)
1881 {
1882 notifier_list_add(&suspend_notifiers, notifier);
1883 }
1884
1885 void qemu_system_wakeup_request(WakeupReason reason)
1886 {
1887 trace_system_wakeup_request(reason);
1888
1889 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1890 return;
1891 }
1892 if (!(wakeup_reason_mask & (1 << reason))) {
1893 return;
1894 }
1895 runstate_set(RUN_STATE_RUNNING);
1896 wakeup_reason = reason;
1897 qemu_notify_event();
1898 }
1899
1900 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1901 {
1902 if (enabled) {
1903 wakeup_reason_mask |= (1 << reason);
1904 } else {
1905 wakeup_reason_mask &= ~(1 << reason);
1906 }
1907 }
1908
1909 void qemu_register_wakeup_notifier(Notifier *notifier)
1910 {
1911 notifier_list_add(&wakeup_notifiers, notifier);
1912 }
1913
1914 void qemu_system_killed(int signal, pid_t pid)
1915 {
1916 shutdown_signal = signal;
1917 shutdown_pid = pid;
1918 no_shutdown = 0;
1919 qemu_system_shutdown_request();
1920 }
1921
1922 void qemu_system_shutdown_request(void)
1923 {
1924 shutdown_requested = 1;
1925 qemu_notify_event();
1926 }
1927
1928 static void qemu_system_powerdown(void)
1929 {
1930 qapi_event_send_powerdown(&error_abort);
1931 notifier_list_notify(&powerdown_notifiers, NULL);
1932 }
1933
1934 void qemu_system_powerdown_request(void)
1935 {
1936 powerdown_requested = 1;
1937 qemu_notify_event();
1938 }
1939
1940 void qemu_register_powerdown_notifier(Notifier *notifier)
1941 {
1942 notifier_list_add(&powerdown_notifiers, notifier);
1943 }
1944
1945 void qemu_system_debug_request(void)
1946 {
1947 debug_requested = 1;
1948 qemu_notify_event();
1949 }
1950
1951 static bool main_loop_should_exit(void)
1952 {
1953 RunState r;
1954 if (qemu_debug_requested()) {
1955 vm_stop(RUN_STATE_DEBUG);
1956 }
1957 if (qemu_suspend_requested()) {
1958 qemu_system_suspend();
1959 }
1960 if (qemu_shutdown_requested()) {
1961 qemu_kill_report();
1962 qapi_event_send_shutdown(&error_abort);
1963 if (no_shutdown) {
1964 vm_stop(RUN_STATE_SHUTDOWN);
1965 } else {
1966 return true;
1967 }
1968 }
1969 if (qemu_reset_requested()) {
1970 pause_all_vcpus();
1971 cpu_synchronize_all_states();
1972 qemu_system_reset(VMRESET_REPORT);
1973 resume_all_vcpus();
1974 if (runstate_needs_reset()) {
1975 runstate_set(RUN_STATE_PAUSED);
1976 }
1977 }
1978 if (qemu_wakeup_requested()) {
1979 pause_all_vcpus();
1980 cpu_synchronize_all_states();
1981 qemu_system_reset(VMRESET_SILENT);
1982 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1983 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1984 resume_all_vcpus();
1985 qapi_event_send_wakeup(&error_abort);
1986 }
1987 if (qemu_powerdown_requested()) {
1988 qemu_system_powerdown();
1989 }
1990 if (qemu_vmstop_requested(&r)) {
1991 vm_stop(r);
1992 }
1993 return false;
1994 }
1995
1996 static void main_loop(void)
1997 {
1998 bool nonblocking;
1999 int last_io = 0;
2000 #ifdef CONFIG_PROFILER
2001 int64_t ti;
2002 #endif
2003 do {
2004 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
2005 #ifdef CONFIG_PROFILER
2006 ti = profile_getclock();
2007 #endif
2008 last_io = main_loop_wait(nonblocking);
2009 #ifdef CONFIG_PROFILER
2010 dev_time += profile_getclock() - ti;
2011 #endif
2012 } while (!main_loop_should_exit());
2013 }
2014
2015 static void version(void)
2016 {
2017 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
2018 }
2019
2020 static void help(int exitcode)
2021 {
2022 version();
2023 printf("usage: %s [options] [disk_image]\n\n"
2024 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2025 error_get_progname());
2026
2027 #define QEMU_OPTIONS_GENERATE_HELP
2028 #include "qemu-options-wrapper.h"
2029
2030 printf("\nDuring emulation, the following keys are useful:\n"
2031 "ctrl-alt-f toggle full screen\n"
2032 "ctrl-alt-n switch to virtual console 'n'\n"
2033 "ctrl-alt toggle mouse and keyboard grab\n"
2034 "\n"
2035 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2036
2037 exit(exitcode);
2038 }
2039
2040 #define HAS_ARG 0x0001
2041
2042 typedef struct QEMUOption {
2043 const char *name;
2044 int flags;
2045 int index;
2046 uint32_t arch_mask;
2047 } QEMUOption;
2048
2049 static const QEMUOption qemu_options[] = {
2050 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2051 #define QEMU_OPTIONS_GENERATE_OPTIONS
2052 #include "qemu-options-wrapper.h"
2053 { NULL },
2054 };
2055
2056 static bool vga_available(void)
2057 {
2058 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2059 }
2060
2061 static bool cirrus_vga_available(void)
2062 {
2063 return object_class_by_name("cirrus-vga")
2064 || object_class_by_name("isa-cirrus-vga");
2065 }
2066
2067 static bool vmware_vga_available(void)
2068 {
2069 return object_class_by_name("vmware-svga");
2070 }
2071
2072 static bool qxl_vga_available(void)
2073 {
2074 return object_class_by_name("qxl-vga");
2075 }
2076
2077 static bool tcx_vga_available(void)
2078 {
2079 return object_class_by_name("SUNW,tcx");
2080 }
2081
2082 static bool cg3_vga_available(void)
2083 {
2084 return object_class_by_name("cgthree");
2085 }
2086
2087 static void select_vgahw (const char *p)
2088 {
2089 const char *opts;
2090
2091 assert(vga_interface_type == VGA_NONE);
2092 if (strstart(p, "std", &opts)) {
2093 if (vga_available()) {
2094 vga_interface_type = VGA_STD;
2095 } else {
2096 fprintf(stderr, "Error: standard VGA not available\n");
2097 exit(0);
2098 }
2099 } else if (strstart(p, "cirrus", &opts)) {
2100 if (cirrus_vga_available()) {
2101 vga_interface_type = VGA_CIRRUS;
2102 } else {
2103 fprintf(stderr, "Error: Cirrus VGA not available\n");
2104 exit(0);
2105 }
2106 } else if (strstart(p, "vmware", &opts)) {
2107 if (vmware_vga_available()) {
2108 vga_interface_type = VGA_VMWARE;
2109 } else {
2110 fprintf(stderr, "Error: VMWare SVGA not available\n");
2111 exit(0);
2112 }
2113 } else if (strstart(p, "xenfb", &opts)) {
2114 vga_interface_type = VGA_XENFB;
2115 } else if (strstart(p, "qxl", &opts)) {
2116 if (qxl_vga_available()) {
2117 vga_interface_type = VGA_QXL;
2118 } else {
2119 fprintf(stderr, "Error: QXL VGA not available\n");
2120 exit(0);
2121 }
2122 } else if (strstart(p, "tcx", &opts)) {
2123 if (tcx_vga_available()) {
2124 vga_interface_type = VGA_TCX;
2125 } else {
2126 fprintf(stderr, "Error: TCX framebuffer not available\n");
2127 exit(0);
2128 }
2129 } else if (strstart(p, "cg3", &opts)) {
2130 if (cg3_vga_available()) {
2131 vga_interface_type = VGA_CG3;
2132 } else {
2133 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2134 exit(0);
2135 }
2136 } else if (!strstart(p, "none", &opts)) {
2137 invalid_vga:
2138 fprintf(stderr, "Unknown vga type: %s\n", p);
2139 exit(1);
2140 }
2141 while (*opts) {
2142 const char *nextopt;
2143
2144 if (strstart(opts, ",retrace=", &nextopt)) {
2145 opts = nextopt;
2146 if (strstart(opts, "dumb", &nextopt))
2147 vga_retrace_method = VGA_RETRACE_DUMB;
2148 else if (strstart(opts, "precise", &nextopt))
2149 vga_retrace_method = VGA_RETRACE_PRECISE;
2150 else goto invalid_vga;
2151 } else goto invalid_vga;
2152 opts = nextopt;
2153 }
2154 }
2155
2156 static DisplayType select_display(const char *p)
2157 {
2158 const char *opts;
2159 DisplayType display = DT_DEFAULT;
2160
2161 if (strstart(p, "sdl", &opts)) {
2162 #ifdef CONFIG_SDL
2163 display = DT_SDL;
2164 while (*opts) {
2165 const char *nextopt;
2166
2167 if (strstart(opts, ",frame=", &nextopt)) {
2168 opts = nextopt;
2169 if (strstart(opts, "on", &nextopt)) {
2170 no_frame = 0;
2171 } else if (strstart(opts, "off", &nextopt)) {
2172 no_frame = 1;
2173 } else {
2174 goto invalid_sdl_args;
2175 }
2176 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2177 opts = nextopt;
2178 if (strstart(opts, "on", &nextopt)) {
2179 alt_grab = 1;
2180 } else if (strstart(opts, "off", &nextopt)) {
2181 alt_grab = 0;
2182 } else {
2183 goto invalid_sdl_args;
2184 }
2185 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2186 opts = nextopt;
2187 if (strstart(opts, "on", &nextopt)) {
2188 ctrl_grab = 1;
2189 } else if (strstart(opts, "off", &nextopt)) {
2190 ctrl_grab = 0;
2191 } else {
2192 goto invalid_sdl_args;
2193 }
2194 } else if (strstart(opts, ",window_close=", &nextopt)) {
2195 opts = nextopt;
2196 if (strstart(opts, "on", &nextopt)) {
2197 no_quit = 0;
2198 } else if (strstart(opts, "off", &nextopt)) {
2199 no_quit = 1;
2200 } else {
2201 goto invalid_sdl_args;
2202 }
2203 } else {
2204 invalid_sdl_args:
2205 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2206 exit(1);
2207 }
2208 opts = nextopt;
2209 }
2210 #else
2211 fprintf(stderr, "SDL support is disabled\n");
2212 exit(1);
2213 #endif
2214 } else if (strstart(p, "vnc", &opts)) {
2215 #ifdef CONFIG_VNC
2216 display_remote++;
2217
2218 if (*opts) {
2219 const char *nextopt;
2220
2221 if (strstart(opts, "=", &nextopt)) {
2222 vnc_display = nextopt;
2223 }
2224 }
2225 if (!vnc_display) {
2226 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2227 exit(1);
2228 }
2229 #else
2230 fprintf(stderr, "VNC support is disabled\n");
2231 exit(1);
2232 #endif
2233 } else if (strstart(p, "curses", &opts)) {
2234 #ifdef CONFIG_CURSES
2235 display = DT_CURSES;
2236 #else
2237 fprintf(stderr, "Curses support is disabled\n");
2238 exit(1);
2239 #endif
2240 } else if (strstart(p, "gtk", &opts)) {
2241 #ifdef CONFIG_GTK
2242 display = DT_GTK;
2243 while (*opts) {
2244 const char *nextopt;
2245
2246 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2247 opts = nextopt;
2248 if (strstart(opts, "on", &nextopt)) {
2249 grab_on_hover = true;
2250 } else if (strstart(opts, "off", &nextopt)) {
2251 grab_on_hover = false;
2252 } else {
2253 goto invalid_gtk_args;
2254 }
2255 } else {
2256 invalid_gtk_args:
2257 fprintf(stderr, "Invalid GTK option string: %s\n", p);
2258 exit(1);
2259 }
2260 opts = nextopt;
2261 }
2262 #else
2263 fprintf(stderr, "GTK support is disabled\n");
2264 exit(1);
2265 #endif
2266 } else if (strstart(p, "none", &opts)) {
2267 display = DT_NONE;
2268 } else {
2269 fprintf(stderr, "Unknown display type: %s\n", p);
2270 exit(1);
2271 }
2272
2273 return display;
2274 }
2275
2276 static int balloon_parse(const char *arg)
2277 {
2278 QemuOpts *opts;
2279
2280 if (strcmp(arg, "none") == 0) {
2281 return 0;
2282 }
2283
2284 if (!strncmp(arg, "virtio", 6)) {
2285 if (arg[6] == ',') {
2286 /* have params -> parse them */
2287 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2288 if (!opts)
2289 return -1;
2290 } else {
2291 /* create empty opts */
2292 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2293 &error_abort);
2294 }
2295 qemu_opt_set(opts, "driver", "virtio-balloon");
2296 return 0;
2297 }
2298
2299 return -1;
2300 }
2301
2302 char *qemu_find_file(int type, const char *name)
2303 {
2304 int i;
2305 const char *subdir;
2306 char *buf;
2307
2308 /* Try the name as a straight path first */
2309 if (access(name, R_OK) == 0) {
2310 trace_load_file(name, name);
2311 return g_strdup(name);
2312 }
2313
2314 switch (type) {
2315 case QEMU_FILE_TYPE_BIOS:
2316 subdir = "";
2317 break;
2318 case QEMU_FILE_TYPE_KEYMAP:
2319 subdir = "keymaps/";
2320 break;
2321 default:
2322 abort();
2323 }
2324
2325 for (i = 0; i < data_dir_idx; i++) {
2326 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2327 if (access(buf, R_OK) == 0) {
2328 trace_load_file(name, buf);
2329 return buf;
2330 }
2331 g_free(buf);
2332 }
2333 return NULL;
2334 }
2335
2336 static int device_help_func(QemuOpts *opts, void *opaque)
2337 {
2338 return qdev_device_help(opts);
2339 }
2340
2341 static int device_init_func(QemuOpts *opts, void *opaque)
2342 {
2343 DeviceState *dev;
2344
2345 dev = qdev_device_add(opts);
2346 if (!dev)
2347 return -1;
2348 object_unref(OBJECT(dev));
2349 return 0;
2350 }
2351
2352 static int chardev_init_func(QemuOpts *opts, void *opaque)
2353 {
2354 Error *local_err = NULL;
2355
2356 qemu_chr_new_from_opts(opts, NULL, &local_err);
2357 if (local_err) {
2358 error_report("%s", error_get_pretty(local_err));
2359 error_free(local_err);
2360 return -1;
2361 }
2362 return 0;
2363 }
2364
2365 #ifdef CONFIG_VIRTFS
2366 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2367 {
2368 int ret;
2369 ret = qemu_fsdev_add(opts);
2370
2371 return ret;
2372 }
2373 #endif
2374
2375 static int mon_init_func(QemuOpts *opts, void *opaque)
2376 {
2377 CharDriverState *chr;
2378 const char *chardev;
2379 const char *mode;
2380 int flags;
2381
2382 mode = qemu_opt_get(opts, "mode");
2383 if (mode == NULL) {
2384 mode = "readline";
2385 }
2386 if (strcmp(mode, "readline") == 0) {
2387 flags = MONITOR_USE_READLINE;
2388 } else if (strcmp(mode, "control") == 0) {
2389 flags = MONITOR_USE_CONTROL;
2390 } else {
2391 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2392 exit(1);
2393 }
2394
2395 if (qemu_opt_get_bool(opts, "pretty", 0))
2396 flags |= MONITOR_USE_PRETTY;
2397
2398 if (qemu_opt_get_bool(opts, "default", 0))
2399 flags |= MONITOR_IS_DEFAULT;
2400
2401 chardev = qemu_opt_get(opts, "chardev");
2402 chr = qemu_chr_find(chardev);
2403 if (chr == NULL) {
2404 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2405 exit(1);
2406 }
2407
2408 qemu_chr_fe_claim_no_fail(chr);
2409 monitor_init(chr, flags);
2410 return 0;
2411 }
2412
2413 static void monitor_parse(const char *optarg, const char *mode)
2414 {
2415 static int monitor_device_index = 0;
2416 QemuOpts *opts;
2417 const char *p;
2418 char label[32];
2419 int def = 0;
2420
2421 if (strstart(optarg, "chardev:", &p)) {
2422 snprintf(label, sizeof(label), "%s", p);
2423 } else {
2424 snprintf(label, sizeof(label), "compat_monitor%d",
2425 monitor_device_index);
2426 if (monitor_device_index == 0) {
2427 def = 1;
2428 }
2429 opts = qemu_chr_parse_compat(label, optarg);
2430 if (!opts) {
2431 fprintf(stderr, "parse error: %s\n", optarg);
2432 exit(1);
2433 }
2434 }
2435
2436 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2437 if (!opts) {
2438 fprintf(stderr, "duplicate chardev: %s\n", label);
2439 exit(1);
2440 }
2441 qemu_opt_set(opts, "mode", mode);
2442 qemu_opt_set(opts, "chardev", label);
2443 if (def)
2444 qemu_opt_set(opts, "default", "on");
2445 monitor_device_index++;
2446 }
2447
2448 struct device_config {
2449 enum {
2450 DEV_USB, /* -usbdevice */
2451 DEV_BT, /* -bt */
2452 DEV_SERIAL, /* -serial */
2453 DEV_PARALLEL, /* -parallel */
2454 DEV_VIRTCON, /* -virtioconsole */
2455 DEV_DEBUGCON, /* -debugcon */
2456 DEV_GDB, /* -gdb, -s */
2457 DEV_SCLP, /* s390 sclp */
2458 } type;
2459 const char *cmdline;
2460 Location loc;
2461 QTAILQ_ENTRY(device_config) next;
2462 };
2463
2464 static QTAILQ_HEAD(, device_config) device_configs =
2465 QTAILQ_HEAD_INITIALIZER(device_configs);
2466
2467 static void add_device_config(int type, const char *cmdline)
2468 {
2469 struct device_config *conf;
2470
2471 conf = g_malloc0(sizeof(*conf));
2472 conf->type = type;
2473 conf->cmdline = cmdline;
2474 loc_save(&conf->loc);
2475 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2476 }
2477
2478 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2479 {
2480 struct device_config *conf;
2481 int rc;
2482
2483 QTAILQ_FOREACH(conf, &device_configs, next) {
2484 if (conf->type != type)
2485 continue;
2486 loc_push_restore(&conf->loc);
2487 rc = func(conf->cmdline);
2488 loc_pop(&conf->loc);
2489 if (0 != rc)
2490 return rc;
2491 }
2492 return 0;
2493 }
2494
2495 static int serial_parse(const char *devname)
2496 {
2497 static int index = 0;
2498 char label[32];
2499
2500 if (strcmp(devname, "none") == 0)
2501 return 0;
2502 if (index == MAX_SERIAL_PORTS) {
2503 fprintf(stderr, "qemu: too many serial ports\n");
2504 exit(1);
2505 }
2506 snprintf(label, sizeof(label), "serial%d", index);
2507 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2508 if (!serial_hds[index]) {
2509 fprintf(stderr, "qemu: could not connect serial device"
2510 " to character backend '%s'\n", devname);
2511 return -1;
2512 }
2513 index++;
2514 return 0;
2515 }
2516
2517 static int parallel_parse(const char *devname)
2518 {
2519 static int index = 0;
2520 char label[32];
2521
2522 if (strcmp(devname, "none") == 0)
2523 return 0;
2524 if (index == MAX_PARALLEL_PORTS) {
2525 fprintf(stderr, "qemu: too many parallel ports\n");
2526 exit(1);
2527 }
2528 snprintf(label, sizeof(label), "parallel%d", index);
2529 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2530 if (!parallel_hds[index]) {
2531 fprintf(stderr, "qemu: could not connect parallel device"
2532 " to character backend '%s'\n", devname);
2533 return -1;
2534 }
2535 index++;
2536 return 0;
2537 }
2538
2539 static int virtcon_parse(const char *devname)
2540 {
2541 QemuOptsList *device = qemu_find_opts("device");
2542 static int index = 0;
2543 char label[32];
2544 QemuOpts *bus_opts, *dev_opts;
2545
2546 if (strcmp(devname, "none") == 0)
2547 return 0;
2548 if (index == MAX_VIRTIO_CONSOLES) {
2549 fprintf(stderr, "qemu: too many virtio consoles\n");
2550 exit(1);
2551 }
2552
2553 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2554 if (arch_type == QEMU_ARCH_S390X) {
2555 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2556 } else {
2557 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2558 }
2559
2560 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2561 qemu_opt_set(dev_opts, "driver", "virtconsole");
2562
2563 snprintf(label, sizeof(label), "virtcon%d", index);
2564 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2565 if (!virtcon_hds[index]) {
2566 fprintf(stderr, "qemu: could not connect virtio console"
2567 " to character backend '%s'\n", devname);
2568 return -1;
2569 }
2570 qemu_opt_set(dev_opts, "chardev", label);
2571
2572 index++;
2573 return 0;
2574 }
2575
2576 static int sclp_parse(const char *devname)
2577 {
2578 QemuOptsList *device = qemu_find_opts("device");
2579 static int index = 0;
2580 char label[32];
2581 QemuOpts *dev_opts;
2582
2583 if (strcmp(devname, "none") == 0) {
2584 return 0;
2585 }
2586 if (index == MAX_SCLP_CONSOLES) {
2587 fprintf(stderr, "qemu: too many sclp consoles\n");
2588 exit(1);
2589 }
2590
2591 assert(arch_type == QEMU_ARCH_S390X);
2592
2593 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2594 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2595
2596 snprintf(label, sizeof(label), "sclpcon%d", index);
2597 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2598 if (!sclp_hds[index]) {
2599 fprintf(stderr, "qemu: could not connect sclp console"
2600 " to character backend '%s'\n", devname);
2601 return -1;
2602 }
2603 qemu_opt_set(dev_opts, "chardev", label);
2604
2605 index++;
2606 return 0;
2607 }
2608
2609 static int debugcon_parse(const char *devname)
2610 {
2611 QemuOpts *opts;
2612
2613 if (!qemu_chr_new("debugcon", devname, NULL)) {
2614 exit(1);
2615 }
2616 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2617 if (!opts) {
2618 fprintf(stderr, "qemu: already have a debugcon device\n");
2619 exit(1);
2620 }
2621 qemu_opt_set(opts, "driver", "isa-debugcon");
2622 qemu_opt_set(opts, "chardev", "debugcon");
2623 return 0;
2624 }
2625
2626 static MachineClass *machine_parse(const char *name)
2627 {
2628 MachineClass *mc = NULL;
2629 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2630
2631 if (name) {
2632 mc = find_machine(name);
2633 }
2634 if (mc) {
2635 return mc;
2636 }
2637 if (name && !is_help_option(name)) {
2638 error_report("Unsupported machine type");
2639 error_printf("Use -machine help to list supported machines!\n");
2640 } else {
2641 printf("Supported machines are:\n");
2642 for (el = machines; el; el = el->next) {
2643 MachineClass *mc = el->data;
2644 if (mc->alias) {
2645 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2646 }
2647 printf("%-20s %s%s\n", mc->name, mc->desc,
2648 mc->is_default ? " (default)" : "");
2649 }
2650 }
2651
2652 g_slist_free(machines);
2653 exit(!name || !is_help_option(name));
2654 }
2655
2656 static int tcg_init(MachineClass *mc)
2657 {
2658 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2659 return 0;
2660 }
2661
2662 static struct {
2663 const char *opt_name;
2664 const char *name;
2665 int (*available)(void);
2666 int (*init)(MachineClass *mc);
2667 bool *allowed;
2668 } accel_list[] = {
2669 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2670 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2671 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2672 { "qtest", "QTest", qtest_available, qtest_init_accel, &qtest_allowed },
2673 };
2674
2675 static int configure_accelerator(MachineClass *mc)
2676 {
2677 const char *p;
2678 char buf[10];
2679 int i, ret;
2680 bool accel_initialised = false;
2681 bool init_failed = false;
2682
2683 p = qemu_opt_get(qemu_get_machine_opts(), "accel");
2684 if (p == NULL) {
2685 /* Use the default "accelerator", tcg */
2686 p = "tcg";
2687 }
2688
2689 while (!accel_initialised && *p != '\0') {
2690 if (*p == ':') {
2691 p++;
2692 }
2693 p = get_opt_name(buf, sizeof (buf), p, ':');
2694 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2695 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2696 if (!accel_list[i].available()) {
2697 printf("%s not supported for this target\n",
2698 accel_list[i].name);
2699 break;
2700 }
2701 *(accel_list[i].allowed) = true;
2702 ret = accel_list[i].init(mc);
2703 if (ret < 0) {
2704 init_failed = true;
2705 fprintf(stderr, "failed to initialize %s: %s\n",
2706 accel_list[i].name,
2707 strerror(-ret));
2708 *(accel_list[i].allowed) = false;
2709 } else {
2710 accel_initialised = true;
2711 }
2712 break;
2713 }
2714 }
2715 if (i == ARRAY_SIZE(accel_list)) {
2716 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2717 }
2718 }
2719
2720 if (!accel_initialised) {
2721 if (!init_failed) {
2722 fprintf(stderr, "No accelerator found!\n");
2723 }
2724 exit(1);
2725 }
2726
2727 if (init_failed) {
2728 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2729 }
2730
2731 return !accel_initialised;
2732 }
2733
2734 void qemu_add_exit_notifier(Notifier *notify)
2735 {
2736 notifier_list_add(&exit_notifiers, notify);
2737 }
2738
2739 void qemu_remove_exit_notifier(Notifier *notify)
2740 {
2741 notifier_remove(notify);
2742 }
2743
2744 static void qemu_run_exit_notifiers(void)
2745 {
2746 notifier_list_notify(&exit_notifiers, NULL);
2747 }
2748
2749 void qemu_add_machine_init_done_notifier(Notifier *notify)
2750 {
2751 notifier_list_add(&machine_init_done_notifiers, notify);
2752 }
2753
2754 static void qemu_run_machine_init_done_notifiers(void)
2755 {
2756 notifier_list_notify(&machine_init_done_notifiers, NULL);
2757 }
2758
2759 static const QEMUOption *lookup_opt(int argc, char **argv,
2760 const char **poptarg, int *poptind)
2761 {
2762 const QEMUOption *popt;
2763 int optind = *poptind;
2764 char *r = argv[optind];
2765 const char *optarg;
2766
2767 loc_set_cmdline(argv, optind, 1);
2768 optind++;
2769 /* Treat --foo the same as -foo. */
2770 if (r[1] == '-')
2771 r++;
2772 popt = qemu_options;
2773 for(;;) {
2774 if (!popt->name) {
2775 error_report("invalid option");
2776 exit(1);
2777 }
2778 if (!strcmp(popt->name, r + 1))
2779 break;
2780 popt++;
2781 }
2782 if (popt->flags & HAS_ARG) {
2783 if (optind >= argc) {
2784 error_report("requires an argument");
2785 exit(1);
2786 }
2787 optarg = argv[optind++];
2788 loc_set_cmdline(argv, optind - 2, 2);
2789 } else {
2790 optarg = NULL;
2791 }
2792
2793 *poptarg = optarg;
2794 *poptind = optind;
2795
2796 return popt;
2797 }
2798
2799 static gpointer malloc_and_trace(gsize n_bytes)
2800 {
2801 void *ptr = malloc(n_bytes);
2802 trace_g_malloc(n_bytes, ptr);
2803 return ptr;
2804 }
2805
2806 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2807 {
2808 void *ptr = realloc(mem, n_bytes);
2809 trace_g_realloc(mem, n_bytes, ptr);
2810 return ptr;
2811 }
2812
2813 static void free_and_trace(gpointer mem)
2814 {
2815 trace_g_free(mem);
2816 free(mem);
2817 }
2818
2819 static int object_set_property(const char *name, const char *value, void *opaque)
2820 {
2821 Object *obj = OBJECT(opaque);
2822 StringInputVisitor *siv;
2823 Error *local_err = NULL;
2824
2825 if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0 ||
2826 strcmp(name, "type") == 0) {
2827 return 0;
2828 }
2829
2830 siv = string_input_visitor_new(value);
2831 object_property_set(obj, string_input_get_visitor(siv), name, &local_err);
2832 string_input_visitor_cleanup(siv);
2833
2834 if (local_err) {
2835 qerror_report_err(local_err);
2836 error_free(local_err);
2837 return -1;
2838 }
2839
2840 return 0;
2841 }
2842
2843 static int object_create(QemuOpts *opts, void *opaque)
2844 {
2845 Error *err = NULL;
2846 char *type = NULL;
2847 char *id = NULL;
2848 void *dummy = NULL;
2849 OptsVisitor *ov;
2850 QDict *pdict;
2851
2852 ov = opts_visitor_new(opts);
2853 pdict = qemu_opts_to_qdict(opts, NULL);
2854
2855 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2856 if (err) {
2857 goto out;
2858 }
2859
2860 qdict_del(pdict, "qom-type");
2861 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2862 if (err) {
2863 goto out;
2864 }
2865
2866 qdict_del(pdict, "id");
2867 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2868 if (err) {
2869 goto out;
2870 }
2871
2872 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2873 if (err) {
2874 goto out;
2875 }
2876 visit_end_struct(opts_get_visitor(ov), &err);
2877 if (err) {
2878 qmp_object_del(id, NULL);
2879 }
2880
2881 out:
2882 opts_visitor_cleanup(ov);
2883
2884 QDECREF(pdict);
2885 g_free(id);
2886 g_free(type);
2887 g_free(dummy);
2888 if (err) {
2889 qerror_report_err(err);
2890 return -1;
2891 }
2892 return 0;
2893 }
2894
2895 int main(int argc, char **argv, char **envp)
2896 {
2897 int i;
2898 int snapshot, linux_boot;
2899 const char *icount_option = NULL;
2900 const char *initrd_filename;
2901 const char *kernel_filename, *kernel_cmdline;
2902 const char *boot_order;
2903 DisplayState *ds;
2904 int cyls, heads, secs, translation;
2905 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2906 QemuOptsList *olist;
2907 int optind;
2908 const char *optarg;
2909 const char *loadvm = NULL;
2910 MachineClass *machine_class;
2911 const char *cpu_model;
2912 const char *vga_model = NULL;
2913 const char *qtest_chrdev = NULL;
2914 const char *qtest_log = NULL;
2915 const char *pid_file = NULL;
2916 const char *incoming = NULL;
2917 #ifdef CONFIG_VNC
2918 int show_vnc_port = 0;
2919 #endif
2920 bool defconfig = true;
2921 bool userconfig = true;
2922 const char *log_mask = NULL;
2923 const char *log_file = NULL;
2924 GMemVTable mem_trace = {
2925 .malloc = malloc_and_trace,
2926 .realloc = realloc_and_trace,
2927 .free = free_and_trace,
2928 };
2929 const char *trace_events = NULL;
2930 const char *trace_file = NULL;
2931 const ram_addr_t default_ram_size = (ram_addr_t)DEFAULT_RAM_SIZE *
2932 1024 * 1024;
2933 ram_addr_t maxram_size = default_ram_size;
2934 uint64_t ram_slots = 0;
2935 FILE *vmstate_dump_file = NULL;
2936
2937 atexit(qemu_run_exit_notifiers);
2938 error_set_progname(argv[0]);
2939 qemu_init_exec_dir(argv[0]);
2940
2941 g_mem_set_vtable(&mem_trace);
2942
2943 module_call_init(MODULE_INIT_QOM);
2944
2945 qemu_add_opts(&qemu_drive_opts);
2946 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2947 qemu_add_drive_opts(&qemu_common_drive_opts);
2948 qemu_add_drive_opts(&qemu_drive_opts);
2949 qemu_add_opts(&qemu_chardev_opts);
2950 qemu_add_opts(&qemu_device_opts);
2951 qemu_add_opts(&qemu_netdev_opts);
2952 qemu_add_opts(&qemu_net_opts);
2953 qemu_add_opts(&qemu_rtc_opts);
2954 qemu_add_opts(&qemu_global_opts);
2955 qemu_add_opts(&qemu_mon_opts);
2956 qemu_add_opts(&qemu_trace_opts);
2957 qemu_add_opts(&qemu_option_rom_opts);
2958 qemu_add_opts(&qemu_machine_opts);
2959 qemu_add_opts(&qemu_mem_opts);
2960 qemu_add_opts(&qemu_smp_opts);
2961 qemu_add_opts(&qemu_boot_opts);
2962 qemu_add_opts(&qemu_sandbox_opts);
2963 qemu_add_opts(&qemu_add_fd_opts);
2964 qemu_add_opts(&qemu_object_opts);
2965 qemu_add_opts(&qemu_tpmdev_opts);
2966 qemu_add_opts(&qemu_realtime_opts);
2967 qemu_add_opts(&qemu_msg_opts);
2968 qemu_add_opts(&qemu_name_opts);
2969 qemu_add_opts(&qemu_numa_opts);
2970
2971 runstate_init();
2972
2973 rtc_clock = QEMU_CLOCK_HOST;
2974
2975 QLIST_INIT (&vm_change_state_head);
2976 os_setup_early_signal_handling();
2977
2978 module_call_init(MODULE_INIT_MACHINE);
2979 machine_class = find_default_machine();
2980 cpu_model = NULL;
2981 ram_size = default_ram_size;
2982 snapshot = 0;
2983 cyls = heads = secs = 0;
2984 translation = BIOS_ATA_TRANSLATION_AUTO;
2985
2986 for (i = 0; i < MAX_NODES; i++) {
2987 numa_info[i].node_mem = 0;
2988 numa_info[i].present = false;
2989 bitmap_zero(numa_info[i].node_cpu, MAX_CPUMASK_BITS);
2990 }
2991
2992 nb_numa_nodes = 0;
2993 max_numa_nodeid = 0;
2994 nb_nics = 0;
2995
2996 bdrv_init_with_whitelist();
2997
2998 autostart = 1;
2999
3000 /* first pass of option parsing */
3001 optind = 1;
3002 while (optind < argc) {
3003 if (argv[optind][0] != '-') {
3004 /* disk image */
3005 optind++;
3006 } else {
3007 const QEMUOption *popt;
3008
3009 popt = lookup_opt(argc, argv, &optarg, &optind);
3010 switch (popt->index) {
3011 case QEMU_OPTION_nodefconfig:
3012 defconfig = false;
3013 break;
3014 case QEMU_OPTION_nouserconfig:
3015 userconfig = false;
3016 break;
3017 }
3018 }
3019 }
3020
3021 if (defconfig) {
3022 int ret;
3023 ret = qemu_read_default_config_files(userconfig);
3024 if (ret < 0) {
3025 exit(1);
3026 }
3027 }
3028
3029 /* second pass of option parsing */
3030 optind = 1;
3031 for(;;) {
3032 if (optind >= argc)
3033 break;
3034 if (argv[optind][0] != '-') {
3035 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3036 } else {
3037 const QEMUOption *popt;
3038
3039 popt = lookup_opt(argc, argv, &optarg, &optind);
3040 if (!(popt->arch_mask & arch_type)) {
3041 printf("Option %s not supported for this target\n", popt->name);
3042 exit(1);
3043 }
3044 switch(popt->index) {
3045 case QEMU_OPTION_M:
3046 machine_class = machine_parse(optarg);
3047 break;
3048 case QEMU_OPTION_no_kvm_irqchip: {
3049 olist = qemu_find_opts("machine");
3050 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
3051 break;
3052 }
3053 case QEMU_OPTION_cpu:
3054 /* hw initialization will check this */
3055 cpu_model = optarg;
3056 break;
3057 case QEMU_OPTION_hda:
3058 {
3059 char buf[256];
3060 if (cyls == 0)
3061 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3062 else
3063 snprintf(buf, sizeof(buf),
3064 "%s,cyls=%d,heads=%d,secs=%d%s",
3065 HD_OPTS , cyls, heads, secs,
3066 translation == BIOS_ATA_TRANSLATION_LBA ?
3067 ",trans=lba" :
3068 translation == BIOS_ATA_TRANSLATION_NONE ?
3069 ",trans=none" : "");
3070 drive_add(IF_DEFAULT, 0, optarg, buf);
3071 break;
3072 }
3073 case QEMU_OPTION_hdb:
3074 case QEMU_OPTION_hdc:
3075 case QEMU_OPTION_hdd:
3076 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3077 HD_OPTS);
3078 break;
3079 case QEMU_OPTION_drive:
3080 if (drive_def(optarg) == NULL) {
3081 exit(1);
3082 }
3083 break;
3084 case QEMU_OPTION_set:
3085 if (qemu_set_option(optarg) != 0)
3086 exit(1);
3087 break;
3088 case QEMU_OPTION_global:
3089 if (qemu_global_option(optarg) != 0)
3090 exit(1);
3091 break;
3092 case QEMU_OPTION_mtdblock:
3093 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3094 break;
3095 case QEMU_OPTION_sd:
3096 drive_add(IF_SD, -1, optarg, SD_OPTS);
3097 break;
3098 case QEMU_OPTION_pflash:
3099 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3100 break;
3101 case QEMU_OPTION_snapshot:
3102 snapshot = 1;
3103 break;
3104 case QEMU_OPTION_hdachs:
3105 {
3106 const char *p;
3107 p = optarg;
3108 cyls = strtol(p, (char **)&p, 0);
3109 if (cyls < 1 || cyls > 16383)
3110 goto chs_fail;
3111 if (*p != ',')
3112 goto chs_fail;
3113 p++;
3114 heads = strtol(p, (char **)&p, 0);
3115 if (heads < 1 || heads > 16)
3116 goto chs_fail;
3117 if (*p != ',')
3118 goto chs_fail;
3119 p++;
3120 secs = strtol(p, (char **)&p, 0);
3121 if (secs < 1 || secs > 63)
3122 goto chs_fail;
3123 if (*p == ',') {
3124 p++;
3125 if (!strcmp(p, "large")) {
3126 translation = BIOS_ATA_TRANSLATION_LARGE;
3127 } else if (!strcmp(p, "rechs")) {
3128 translation = BIOS_ATA_TRANSLATION_RECHS;
3129 } else if (!strcmp(p, "none")) {
3130 translation = BIOS_ATA_TRANSLATION_NONE;
3131 } else if (!strcmp(p, "lba")) {
3132 translation = BIOS_ATA_TRANSLATION_LBA;
3133 } else if (!strcmp(p, "auto")) {
3134 translation = BIOS_ATA_TRANSLATION_AUTO;
3135 } else {
3136 goto chs_fail;
3137 }
3138 } else if (*p != '\0') {
3139 chs_fail:
3140 fprintf(stderr, "qemu: invalid physical CHS format\n");
3141 exit(1);
3142 }
3143 if (hda_opts != NULL) {
3144 char num[16];
3145 snprintf(num, sizeof(num), "%d", cyls);
3146 qemu_opt_set(hda_opts, "cyls", num);
3147 snprintf(num, sizeof(num), "%d", heads);
3148 qemu_opt_set(hda_opts, "heads", num);
3149 snprintf(num, sizeof(num), "%d", secs);
3150 qemu_opt_set(hda_opts, "secs", num);
3151 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3152 qemu_opt_set(hda_opts, "trans", "large");
3153 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3154 qemu_opt_set(hda_opts, "trans", "rechs");
3155 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3156 qemu_opt_set(hda_opts, "trans", "lba");
3157 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3158 qemu_opt_set(hda_opts, "trans", "none");
3159 }
3160 }
3161 }
3162 break;
3163 case QEMU_OPTION_numa:
3164 opts = qemu_opts_parse(qemu_find_opts("numa"), optarg, 1);
3165 if (!opts) {
3166 exit(1);
3167 }
3168 break;
3169 case QEMU_OPTION_display:
3170 display_type = select_display(optarg);
3171 break;
3172 case QEMU_OPTION_nographic:
3173 display_type = DT_NOGRAPHIC;
3174 break;
3175 case QEMU_OPTION_curses:
3176 #ifdef CONFIG_CURSES
3177 display_type = DT_CURSES;
3178 #else
3179 fprintf(stderr, "Curses support is disabled\n");
3180 exit(1);
3181 #endif
3182 break;
3183 case QEMU_OPTION_portrait:
3184 graphic_rotate = 90;
3185 break;
3186 case QEMU_OPTION_rotate:
3187 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3188 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3189 graphic_rotate != 180 && graphic_rotate != 270) {
3190 fprintf(stderr,
3191 "qemu: only 90, 180, 270 deg rotation is available\n");
3192 exit(1);
3193 }
3194 break;
3195 case QEMU_OPTION_kernel:
3196 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3197 break;
3198 case QEMU_OPTION_initrd:
3199 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3200 break;
3201 case QEMU_OPTION_append:
3202 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3203 break;
3204 case QEMU_OPTION_dtb:
3205 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3206 break;
3207 case QEMU_OPTION_cdrom:
3208 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3209 break;
3210 case QEMU_OPTION_boot:
3211 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3212 if (!opts) {
3213 exit(1);
3214 }
3215 break;
3216 case QEMU_OPTION_fda:
3217 case QEMU_OPTION_fdb:
3218 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3219 optarg, FD_OPTS);
3220 break;
3221 case QEMU_OPTION_no_fd_bootchk:
3222 fd_bootchk = 0;
3223 break;
3224 case QEMU_OPTION_netdev:
3225 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3226 exit(1);
3227 }
3228 break;
3229 case QEMU_OPTION_net:
3230 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3231 exit(1);
3232 }
3233 break;
3234 #ifdef CONFIG_LIBISCSI
3235 case QEMU_OPTION_iscsi:
3236 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3237 if (!opts) {
3238 exit(1);
3239 }
3240 break;
3241 #endif
3242 #ifdef CONFIG_SLIRP
3243 case QEMU_OPTION_tftp:
3244 legacy_tftp_prefix = optarg;
3245 break;
3246 case QEMU_OPTION_bootp:
3247 legacy_bootp_filename = optarg;
3248 break;
3249 case QEMU_OPTION_redir:
3250 if (net_slirp_redir(optarg) < 0)
3251 exit(1);
3252 break;
3253 #endif
3254 case QEMU_OPTION_bt:
3255 add_device_config(DEV_BT, optarg);
3256 break;
3257 case QEMU_OPTION_audio_help:
3258 AUD_help ();
3259 exit (0);
3260 break;
3261 case QEMU_OPTION_soundhw:
3262 select_soundhw (optarg);
3263 break;
3264 case QEMU_OPTION_h:
3265 help(0);
3266 break;
3267 case QEMU_OPTION_version:
3268 version();
3269 exit(0);
3270 break;
3271 case QEMU_OPTION_m: {
3272 uint64_t sz;
3273 const char *mem_str;
3274 const char *maxmem_str, *slots_str;
3275
3276 opts = qemu_opts_parse(qemu_find_opts("memory"),
3277 optarg, 1);
3278 if (!opts) {
3279 exit(EXIT_FAILURE);
3280 }
3281
3282 mem_str = qemu_opt_get(opts, "size");
3283 if (!mem_str) {
3284 error_report("invalid -m option, missing 'size' option");
3285 exit(EXIT_FAILURE);
3286 }
3287 if (!*mem_str) {
3288 error_report("missing 'size' option value");
3289 exit(EXIT_FAILURE);
3290 }
3291
3292 sz = qemu_opt_get_size(opts, "size", ram_size);
3293
3294 /* Fix up legacy suffix-less format */
3295 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
3296 uint64_t overflow_check = sz;
3297
3298 sz <<= 20;
3299 if ((sz >> 20) != overflow_check) {
3300 error_report("too large 'size' option value");
3301 exit(EXIT_FAILURE);
3302 }
3303 }
3304
3305 /* backward compatibility behaviour for case "-m 0" */
3306 if (sz == 0) {
3307 sz = default_ram_size;
3308 }
3309
3310 sz = QEMU_ALIGN_UP(sz, 8192);
3311 ram_size = sz;
3312 if (ram_size != sz) {
3313 error_report("ram size too large");
3314 exit(EXIT_FAILURE);
3315 }
3316
3317 maxmem_str = qemu_opt_get(opts, "maxmem");
3318 slots_str = qemu_opt_get(opts, "slots");
3319 if (maxmem_str && slots_str) {
3320 uint64_t slots;
3321
3322 sz = qemu_opt_get_size(opts, "maxmem", 0);
3323 if (sz < ram_size) {
3324 fprintf(stderr, "qemu: invalid -m option value: maxmem "
3325 "(%" PRIu64 ") <= initial memory ("
3326 RAM_ADDR_FMT ")\n", sz, ram_size);
3327 exit(EXIT_FAILURE);
3328 }
3329
3330 slots = qemu_opt_get_number(opts, "slots", 0);
3331 if ((sz > ram_size) && !slots) {
3332 fprintf(stderr, "qemu: invalid -m option value: maxmem "
3333 "(%" PRIu64 ") more than initial memory ("
3334 RAM_ADDR_FMT ") but no hotplug slots where "
3335 "specified\n", sz, ram_size);
3336 exit(EXIT_FAILURE);
3337 }
3338
3339 if ((sz <= ram_size) && slots) {
3340 fprintf(stderr, "qemu: invalid -m option value: %"
3341 PRIu64 " hotplug slots where specified but "
3342 "maxmem (%" PRIu64 ") <= initial memory ("
3343 RAM_ADDR_FMT ")\n", slots, sz, ram_size);
3344 exit(EXIT_FAILURE);
3345 }
3346 maxram_size = sz;
3347 ram_slots = slots;
3348 } else if ((!maxmem_str && slots_str) ||
3349 (maxmem_str && !slots_str)) {
3350 fprintf(stderr, "qemu: invalid -m option value: missing "
3351 "'%s' option\n", slots_str ? "maxmem" : "slots");
3352 exit(EXIT_FAILURE);
3353 }
3354 break;
3355 }
3356 #ifdef CONFIG_TPM
3357 case QEMU_OPTION_tpmdev:
3358 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3359 exit(1);
3360 }
3361 break;
3362 #endif
3363 case QEMU_OPTION_mempath:
3364 mem_path = optarg;
3365 break;
3366 case QEMU_OPTION_mem_prealloc:
3367 mem_prealloc = 1;
3368 break;
3369 case QEMU_OPTION_d:
3370 log_mask = optarg;
3371 break;
3372 case QEMU_OPTION_D:
3373 log_file = optarg;
3374 break;
3375 case QEMU_OPTION_s:
3376 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3377 break;
3378 case QEMU_OPTION_gdb:
3379 add_device_config(DEV_GDB, optarg);
3380 break;
3381 case QEMU_OPTION_L:
3382 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3383 data_dir[data_dir_idx++] = optarg;
3384 }
3385 break;
3386 case QEMU_OPTION_bios:
3387 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg);
3388 break;
3389 case QEMU_OPTION_singlestep:
3390 singlestep = 1;
3391 break;
3392 case QEMU_OPTION_S:
3393 autostart = 0;
3394 break;
3395 case QEMU_OPTION_k:
3396 keyboard_layout = optarg;
3397 break;
3398 case QEMU_OPTION_localtime:
3399 rtc_utc = 0;
3400 break;
3401 case QEMU_OPTION_vga:
3402 vga_model = optarg;
3403 default_vga = 0;
3404 break;
3405 case QEMU_OPTION_g:
3406 {
3407 const char *p;
3408 int w, h, depth;
3409 p = optarg;
3410 w = strtol(p, (char **)&p, 10);
3411 if (w <= 0) {
3412 graphic_error:
3413 fprintf(stderr, "qemu: invalid resolution or depth\n");
3414 exit(1);
3415 }
3416 if (*p != 'x')
3417 goto graphic_error;
3418 p++;
3419 h = strtol(p, (char **)&p, 10);
3420 if (h <= 0)
3421 goto graphic_error;
3422 if (*p == 'x') {
3423 p++;
3424 depth = strtol(p, (char **)&p, 10);
3425 if (depth != 8 && depth != 15 && depth != 16 &&
3426 depth != 24 && depth != 32)
3427 goto graphic_error;
3428 } else if (*p == '\0') {
3429 depth = graphic_depth;
3430 } else {
3431 goto graphic_error;
3432 }
3433
3434 graphic_width = w;
3435 graphic_height = h;
3436 graphic_depth = depth;
3437 }
3438 break;
3439 case QEMU_OPTION_echr:
3440 {
3441 char *r;
3442 term_escape_char = strtol(optarg, &r, 0);
3443 if (r == optarg)
3444 printf("Bad argument to echr\n");
3445 break;
3446 }
3447 case QEMU_OPTION_monitor:
3448 default_monitor = 0;
3449 if (strncmp(optarg, "none", 4)) {
3450 monitor_parse(optarg, "readline");
3451 }
3452 break;
3453 case QEMU_OPTION_qmp:
3454 monitor_parse(optarg, "control");
3455 default_monitor = 0;
3456 break;
3457 case QEMU_OPTION_mon:
3458 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3459 if (!opts) {
3460 exit(1);
3461 }
3462 default_monitor = 0;
3463 break;
3464 case QEMU_OPTION_chardev:
3465 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3466 if (!opts) {
3467 exit(1);
3468 }
3469 break;
3470 case QEMU_OPTION_fsdev:
3471 olist = qemu_find_opts("fsdev");
3472 if (!olist) {
3473 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3474 exit(1);
3475 }
3476 opts = qemu_opts_parse(olist, optarg, 1);
3477 if (!opts) {
3478 exit(1);
3479 }
3480 break;
3481 case QEMU_OPTION_virtfs: {
3482 QemuOpts *fsdev;
3483 QemuOpts *device;
3484 const char *writeout, *sock_fd, *socket;
3485
3486 olist = qemu_find_opts("virtfs");
3487 if (!olist) {
3488 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3489 exit(1);
3490 }
3491 opts = qemu_opts_parse(olist, optarg, 1);
3492 if (!opts) {
3493 exit(1);
3494 }
3495
3496 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3497 qemu_opt_get(opts, "mount_tag") == NULL) {
3498 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3499 exit(1);
3500 }
3501 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3502 qemu_opt_get(opts, "mount_tag"),
3503 1, NULL);
3504 if (!fsdev) {
3505 fprintf(stderr, "duplicate fsdev id: %s\n",
3506 qemu_opt_get(opts, "mount_tag"));
3507 exit(1);
3508 }
3509
3510 writeout = qemu_opt_get(opts, "writeout");
3511 if (writeout) {
3512 #ifdef CONFIG_SYNC_FILE_RANGE
3513 qemu_opt_set(fsdev, "writeout", writeout);
3514 #else
3515 fprintf(stderr, "writeout=immediate not supported on "
3516 "this platform\n");
3517 exit(1);
3518 #endif
3519 }
3520 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3521 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3522 qemu_opt_set(fsdev, "security_model",
3523 qemu_opt_get(opts, "security_model"));
3524 socket = qemu_opt_get(opts, "socket");
3525 if (socket) {
3526 qemu_opt_set(fsdev, "socket", socket);
3527 }
3528 sock_fd = qemu_opt_get(opts, "sock_fd");
3529 if (sock_fd) {
3530 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3531 }
3532
3533 qemu_opt_set_bool(fsdev, "readonly",
3534 qemu_opt_get_bool(opts, "readonly", 0));
3535 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3536 &error_abort);
3537 qemu_opt_set(device, "driver", "virtio-9p-pci");
3538 qemu_opt_set(device, "fsdev",
3539 qemu_opt_get(opts, "mount_tag"));
3540 qemu_opt_set(device, "mount_tag",
3541 qemu_opt_get(opts, "mount_tag"));
3542 break;
3543 }
3544 case QEMU_OPTION_virtfs_synth: {
3545 QemuOpts *fsdev;
3546 QemuOpts *device;
3547
3548 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3549 1, NULL);
3550 if (!fsdev) {
3551 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3552 exit(1);
3553 }
3554 qemu_opt_set(fsdev, "fsdriver", "synth");
3555
3556 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3557 &error_abort);
3558 qemu_opt_set(device, "driver", "virtio-9p-pci");
3559 qemu_opt_set(device, "fsdev", "v_synth");
3560 qemu_opt_set(device, "mount_tag", "v_synth");
3561 break;
3562 }
3563 case QEMU_OPTION_serial:
3564 add_device_config(DEV_SERIAL, optarg);
3565 default_serial = 0;
3566 if (strncmp(optarg, "mon:", 4) == 0) {
3567 default_monitor = 0;
3568 }
3569 break;
3570 case QEMU_OPTION_watchdog:
3571 if (watchdog) {
3572 fprintf(stderr,
3573 "qemu: only one watchdog option may be given\n");
3574 return 1;
3575 }
3576 watchdog = optarg;
3577 break;
3578 case QEMU_OPTION_watchdog_action:
3579 if (select_watchdog_action(optarg) == -1) {
3580 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3581 exit(1);
3582 }
3583 break;
3584 case QEMU_OPTION_virtiocon:
3585 add_device_config(DEV_VIRTCON, optarg);
3586 default_virtcon = 0;
3587 if (strncmp(optarg, "mon:", 4) == 0) {
3588 default_monitor = 0;
3589 }
3590 break;
3591 case QEMU_OPTION_parallel:
3592 add_device_config(DEV_PARALLEL, optarg);
3593 default_parallel = 0;
3594 if (strncmp(optarg, "mon:", 4) == 0) {
3595 default_monitor = 0;
3596 }
3597 break;
3598 case QEMU_OPTION_debugcon:
3599 add_device_config(DEV_DEBUGCON, optarg);
3600 break;
3601 case QEMU_OPTION_loadvm:
3602 loadvm = optarg;
3603 break;
3604 case QEMU_OPTION_full_screen:
3605 full_screen = 1;
3606 break;
3607 case QEMU_OPTION_no_frame:
3608 no_frame = 1;
3609 break;
3610 case QEMU_OPTION_alt_grab:
3611 alt_grab = 1;
3612 break;
3613 case QEMU_OPTION_ctrl_grab:
3614 ctrl_grab = 1;
3615 break;
3616 case QEMU_OPTION_no_quit:
3617 no_quit = 1;
3618 break;
3619 case QEMU_OPTION_sdl:
3620 #ifdef CONFIG_SDL
3621 display_type = DT_SDL;
3622 break;
3623 #else
3624 fprintf(stderr, "SDL support is disabled\n");
3625 exit(1);
3626 #endif
3627 case QEMU_OPTION_pidfile:
3628 pid_file = optarg;
3629 break;
3630 case QEMU_OPTION_win2k_hack:
3631 win2k_install_hack = 1;
3632 break;
3633 case QEMU_OPTION_rtc_td_hack: {
3634 static GlobalProperty slew_lost_ticks[] = {
3635 {
3636 .driver = "mc146818rtc",
3637 .property = "lost_tick_policy",
3638 .value = "slew",
3639 },
3640 { /* end of list */ }
3641 };
3642
3643 qdev_prop_register_global_list(slew_lost_ticks);
3644 break;
3645 }
3646 case QEMU_OPTION_acpitable:
3647 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3648 if (!opts) {
3649 exit(1);
3650 }
3651 do_acpitable_option(opts);
3652 break;
3653 case QEMU_OPTION_smbios:
3654 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3655 if (!opts) {
3656 exit(1);
3657 }
3658 do_smbios_option(opts);
3659 break;
3660 case QEMU_OPTION_enable_kvm:
3661 olist = qemu_find_opts("machine");
3662 qemu_opts_parse(olist, "accel=kvm", 0);
3663 break;
3664 case QEMU_OPTION_machine:
3665 olist = qemu_find_opts("machine");
3666 opts = qemu_opts_parse(olist, optarg, 1);
3667 if (!opts) {
3668 exit(1);
3669 }
3670 optarg = qemu_opt_get(opts, "type");
3671 if (optarg) {
3672 machine_class = machine_parse(optarg);
3673 }
3674 break;
3675 case QEMU_OPTION_no_kvm:
3676 olist = qemu_find_opts("machine");
3677 qemu_opts_parse(olist, "accel=tcg", 0);
3678 break;
3679 case QEMU_OPTION_no_kvm_pit: {
3680 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3681 "separately.\n");
3682 break;
3683 }
3684 case QEMU_OPTION_no_kvm_pit_reinjection: {
3685 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3686 {
3687 .driver = "kvm-pit",
3688 .property = "lost_tick_policy",
3689 .value = "discard",
3690 },
3691 { /* end of list */ }
3692 };
3693
3694 fprintf(stderr, "Warning: option deprecated, use "
3695 "lost_tick_policy property of kvm-pit instead.\n");
3696 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3697 break;
3698 }
3699 case QEMU_OPTION_usb:
3700 olist = qemu_find_opts("machine");
3701 qemu_opts_parse(olist, "usb=on", 0);
3702 break;
3703 case QEMU_OPTION_usbdevice:
3704 olist = qemu_find_opts("machine");
3705 qemu_opts_parse(olist, "usb=on", 0);
3706 add_device_config(DEV_USB, optarg);
3707 break;
3708 case QEMU_OPTION_device:
3709 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3710 exit(1);
3711 }
3712 break;
3713 case QEMU_OPTION_smp:
3714 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3715 exit(1);
3716 }
3717 break;
3718 case QEMU_OPTION_vnc:
3719 #ifdef CONFIG_VNC
3720 display_remote++;
3721 vnc_display = optarg;
3722 #else
3723 fprintf(stderr, "VNC support is disabled\n");
3724 exit(1);
3725 #endif
3726 break;
3727 case QEMU_OPTION_no_acpi:
3728 acpi_enabled = 0;
3729 break;
3730 case QEMU_OPTION_no_hpet:
3731 no_hpet = 1;
3732 break;
3733 case QEMU_OPTION_balloon:
3734 if (balloon_parse(optarg) < 0) {
3735 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3736 exit(1);
3737 }
3738 break;
3739 case QEMU_OPTION_no_reboot:
3740 no_reboot = 1;
3741 break;
3742 case QEMU_OPTION_no_shutdown:
3743 no_shutdown = 1;
3744 break;
3745 case QEMU_OPTION_show_cursor:
3746 cursor_hide = 0;
3747 break;
3748 case QEMU_OPTION_uuid:
3749 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3750 fprintf(stderr, "Fail to parse UUID string."
3751 " Wrong format.\n");
3752 exit(1);
3753 }
3754 qemu_uuid_set = true;
3755 break;
3756 case QEMU_OPTION_option_rom:
3757 if (nb_option_roms >= MAX_OPTION_ROMS) {
3758 fprintf(stderr, "Too many option ROMs\n");
3759 exit(1);
3760 }
3761 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3762 if (!opts) {
3763 exit(1);
3764 }
3765 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3766 option_rom[nb_option_roms].bootindex =
3767 qemu_opt_get_number(opts, "bootindex", -1);
3768 if (!option_rom[nb_option_roms].name) {
3769 fprintf(stderr, "Option ROM file is not specified\n");
3770 exit(1);
3771 }
3772 nb_option_roms++;
3773 break;
3774 case QEMU_OPTION_semihosting:
3775 semihosting_enabled = 1;
3776 break;
3777 case QEMU_OPTION_tdf:
3778 fprintf(stderr, "Warning: user space PIT time drift fix "
3779 "is no longer supported.\n");
3780 break;
3781 case QEMU_OPTION_name:
3782 opts = qemu_opts_parse(qemu_find_opts("name"), optarg, 1);
3783 if (!opts) {
3784 exit(1);
3785 }
3786 break;
3787 case QEMU_OPTION_prom_env:
3788 if (nb_prom_envs >= MAX_PROM_ENVS) {
3789 fprintf(stderr, "Too many prom variables\n");
3790 exit(1);
3791 }
3792 prom_envs[nb_prom_envs] = optarg;
3793 nb_prom_envs++;
3794 break;
3795 case QEMU_OPTION_old_param:
3796 old_param = 1;
3797 break;
3798 case QEMU_OPTION_clock:
3799 /* Clock options no longer exist. Keep this option for
3800 * backward compatibility.
3801 */
3802 break;
3803 case QEMU_OPTION_startdate:
3804 configure_rtc_date_offset(optarg, 1);
3805 break;
3806 case QEMU_OPTION_rtc:
3807 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3808 if (!opts) {
3809 exit(1);
3810 }
3811 configure_rtc(opts);
3812 break;
3813 case QEMU_OPTION_tb_size:
3814 tcg_tb_size = strtol(optarg, NULL, 0);
3815 if (tcg_tb_size < 0) {
3816 tcg_tb_size = 0;
3817 }
3818 break;
3819 case QEMU_OPTION_icount:
3820 icount_option = optarg;
3821 break;
3822 case QEMU_OPTION_incoming:
3823 incoming = optarg;
3824 runstate_set(RUN_STATE_INMIGRATE);
3825 break;
3826 case QEMU_OPTION_nodefaults:
3827 has_defaults = 0;
3828 break;
3829 case QEMU_OPTION_xen_domid:
3830 if (!(xen_available())) {
3831 printf("Option %s not supported for this target\n", popt->name);
3832 exit(1);
3833 }
3834 xen_domid = atoi(optarg);
3835 break;
3836 case QEMU_OPTION_xen_create:
3837 if (!(xen_available())) {
3838 printf("Option %s not supported for this target\n", popt->name);
3839 exit(1);
3840 }
3841 xen_mode = XEN_CREATE;
3842 break;
3843 case QEMU_OPTION_xen_attach:
3844 if (!(xen_available())) {
3845 printf("Option %s not supported for this target\n", popt->name);
3846 exit(1);
3847 }
3848 xen_mode = XEN_ATTACH;
3849 break;
3850 case QEMU_OPTION_trace:
3851 {
3852 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3853 if (!opts) {
3854 exit(1);
3855 }
3856 trace_events = qemu_opt_get(opts, "events");
3857 trace_file = qemu_opt_get(opts, "file");
3858 break;
3859 }
3860 case QEMU_OPTION_readconfig:
3861 {
3862 int ret = qemu_read_config_file(optarg);
3863 if (ret < 0) {
3864 fprintf(stderr, "read config %s: %s\n", optarg,
3865 strerror(-ret));
3866 exit(1);
3867 }
3868 break;
3869 }
3870 case QEMU_OPTION_spice:
3871 olist = qemu_find_opts("spice");
3872 if (!olist) {
3873 fprintf(stderr, "spice is not supported by this qemu build.\n");
3874 exit(1);
3875 }
3876 opts = qemu_opts_parse(olist, optarg, 0);
3877 if (!opts) {
3878 exit(1);
3879 }
3880 display_remote++;
3881 break;
3882 case QEMU_OPTION_writeconfig:
3883 {
3884 FILE *fp;
3885 if (strcmp(optarg, "-") == 0) {
3886 fp = stdout;
3887 } else {
3888 fp = fopen(optarg, "w");
3889 if (fp == NULL) {
3890 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3891 exit(1);
3892 }
3893 }
3894 qemu_config_write(fp);
3895 if (fp != stdout) {
3896 fclose(fp);
3897 }
3898 break;
3899 }
3900 case QEMU_OPTION_qtest:
3901 qtest_chrdev = optarg;
3902 break;
3903 case QEMU_OPTION_qtest_log:
3904 qtest_log = optarg;
3905 break;
3906 case QEMU_OPTION_sandbox:
3907 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3908 if (!opts) {
3909 exit(1);
3910 }
3911 break;
3912 case QEMU_OPTION_add_fd:
3913 #ifndef _WIN32
3914 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3915 if (!opts) {
3916 exit(1);
3917 }
3918 #else
3919 error_report("File descriptor passing is disabled on this "
3920 "platform");
3921 exit(1);
3922 #endif
3923 break;
3924 case QEMU_OPTION_object:
3925 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3926 if (!opts) {
3927 exit(1);
3928 }
3929 break;
3930 case QEMU_OPTION_realtime:
3931 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3932 if (!opts) {
3933 exit(1);
3934 }
3935 configure_realtime(opts);
3936 break;
3937 case QEMU_OPTION_msg:
3938 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3939 if (!opts) {
3940 exit(1);
3941 }
3942 configure_msg(opts);
3943 break;
3944 case QEMU_OPTION_dump_vmstate:
3945 vmstate_dump_file = fopen(optarg, "w");
3946 if (vmstate_dump_file == NULL) {
3947 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3948 exit(1);
3949 }
3950 break;
3951 default:
3952 os_parse_cmd_args(popt->index, optarg);
3953 }
3954 }
3955 }
3956 loc_set_none();
3957
3958 os_daemonize();
3959
3960 if (qemu_init_main_loop()) {
3961 fprintf(stderr, "qemu_init_main_loop failed\n");
3962 exit(1);
3963 }
3964
3965 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3966 exit(1);
3967 }
3968
3969 if (qemu_opts_foreach(qemu_find_opts("name"), parse_name, NULL, 1)) {
3970 exit(1);
3971 }
3972
3973 #ifndef _WIN32
3974 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3975 exit(1);
3976 }
3977
3978 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3979 exit(1);
3980 }
3981 #endif
3982
3983 if (machine_class == NULL) {
3984 fprintf(stderr, "No machine specified, and there is no default.\n"
3985 "Use -machine help to list supported machines!\n");
3986 exit(1);
3987 }
3988
3989 cpu_exec_init_all();
3990
3991 current_machine = MACHINE(object_new(object_class_get_name(
3992 OBJECT_CLASS(machine_class))));
3993 object_property_add_child(object_get_root(), "machine",
3994 OBJECT(current_machine), &error_abort);
3995
3996 if (machine_class->hw_version) {
3997 qemu_set_version(machine_class->hw_version);
3998 }
3999
4000 if (qemu_opts_foreach(qemu_find_opts("object"),
4001 object_create, NULL, 0) != 0) {
4002 exit(1);
4003 }
4004
4005 /* Init CPU def lists, based on config
4006 * - Must be called after all the qemu_read_config_file() calls
4007 * - Must be called before list_cpus()
4008 * - Must be called before machine->init()
4009 */
4010 cpudef_init();
4011
4012 if (cpu_model && is_help_option(cpu_model)) {
4013 list_cpus(stdout, &fprintf, cpu_model);
4014 exit(0);
4015 }
4016
4017 /* Open the logfile at this point, if necessary. We can't open the logfile
4018 * when encountering either of the logging options (-d or -D) because the
4019 * other one may be encountered later on the command line, changing the
4020 * location or level of logging.
4021 */
4022 if (log_mask) {
4023 int mask;
4024 if (log_file) {
4025 qemu_set_log_filename(log_file);
4026 }
4027
4028 mask = qemu_str_to_log_mask(log_mask);
4029 if (!mask) {
4030 qemu_print_log_usage(stdout);
4031 exit(1);
4032 }
4033 qemu_set_log(mask);
4034 }
4035
4036 if (!is_daemonized()) {
4037 if (!trace_init_backends(trace_events, trace_file)) {
4038 exit(1);
4039 }
4040 }
4041
4042 /* If no data_dir is specified then try to find it relative to the
4043 executable path. */
4044 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4045 data_dir[data_dir_idx] = os_find_datadir();
4046 if (data_dir[data_dir_idx] != NULL) {
4047 data_dir_idx++;
4048 }
4049 }
4050 /* If all else fails use the install path specified when building. */
4051 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4052 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4053 }
4054
4055 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4056
4057 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4058 if (smp_cpus > machine_class->max_cpus) {
4059 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
4060 "supported by machine `%s' (%d)\n", smp_cpus,
4061 machine_class->name, machine_class->max_cpus);
4062 exit(1);
4063 }
4064
4065 /*
4066 * Get the default machine options from the machine if it is not already
4067 * specified either by the configuration file or by the command line.
4068 */
4069 if (machine_class->default_machine_opts) {
4070 qemu_opts_set_defaults(qemu_find_opts("machine"),
4071 machine_class->default_machine_opts, 0);
4072 }
4073
4074 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
4075 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
4076
4077 if (!vga_model && !default_vga) {
4078 vga_interface_type = VGA_DEVICE;
4079 }
4080 if (!has_defaults || machine_class->no_serial) {
4081 default_serial = 0;
4082 }
4083 if (!has_defaults || machine_class->no_parallel) {
4084 default_parallel = 0;
4085 }
4086 if (!has_defaults || !machine_class->use_virtcon) {
4087 default_virtcon = 0;
4088 }
4089 if (!has_defaults || !machine_class->use_sclp) {
4090 default_sclp = 0;
4091 }
4092 if (!has_defaults || machine_class->no_floppy) {
4093 default_floppy = 0;
4094 }
4095 if (!has_defaults || machine_class->no_cdrom) {
4096 default_cdrom = 0;
4097 }
4098 if (!has_defaults || machine_class->no_sdcard) {
4099 default_sdcard = 0;
4100 }
4101 if (!has_defaults) {
4102 default_monitor = 0;
4103 default_net = 0;
4104 default_vga = 0;
4105 }
4106
4107 if (is_daemonized()) {
4108 /* According to documentation and historically, -nographic redirects
4109 * serial port, parallel port and monitor to stdio, which does not work
4110 * with -daemonize. We can redirect these to null instead, but since
4111 * -nographic is legacy, let's just error out.
4112 * We disallow -nographic only if all other ports are not redirected
4113 * explicitly, to not break existing legacy setups which uses
4114 * -nographic _and_ redirects all ports explicitly - this is valid
4115 * usage, -nographic is just a no-op in this case.
4116 */
4117 if (display_type == DT_NOGRAPHIC
4118 && (default_parallel || default_serial
4119 || default_monitor || default_virtcon)) {
4120 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4121 exit(1);
4122 }
4123 #ifdef CONFIG_CURSES
4124 if (display_type == DT_CURSES) {
4125 fprintf(stderr, "curses display can not be used with -daemonize\n");
4126 exit(1);
4127 }
4128 #endif
4129 }
4130
4131 if (display_type == DT_NOGRAPHIC) {
4132 if (default_parallel)
4133 add_device_config(DEV_PARALLEL, "null");
4134 if (default_serial && default_monitor) {
4135 add_device_config(DEV_SERIAL, "mon:stdio");
4136 } else if (default_virtcon && default_monitor) {
4137 add_device_config(DEV_VIRTCON, "mon:stdio");
4138 } else if (default_sclp && default_monitor) {
4139 add_device_config(DEV_SCLP, "mon:stdio");
4140 } else {
4141 if (default_serial)
4142 add_device_config(DEV_SERIAL, "stdio");
4143 if (default_virtcon)
4144 add_device_config(DEV_VIRTCON, "stdio");
4145 if (default_sclp) {
4146 add_device_config(DEV_SCLP, "stdio");
4147 }
4148 if (default_monitor)
4149 monitor_parse("stdio", "readline");
4150 }
4151 } else {
4152 if (default_serial)
4153 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4154 if (default_parallel)
4155 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4156 if (default_monitor)
4157 monitor_parse("vc:80Cx24C", "readline");
4158 if (default_virtcon)
4159 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4160 if (default_sclp) {
4161 add_device_config(DEV_SCLP, "vc:80Cx24C");
4162 }
4163 }
4164
4165 if (display_type == DT_DEFAULT && !display_remote) {
4166 #if defined(CONFIG_GTK)
4167 display_type = DT_GTK;
4168 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4169 display_type = DT_SDL;
4170 #elif defined(CONFIG_VNC)
4171 vnc_display = "localhost:0,to=99";
4172 show_vnc_port = 1;
4173 #else
4174 display_type = DT_NONE;
4175 #endif
4176 }
4177
4178 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4179 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4180 "for SDL, ignoring option\n");
4181 }
4182 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4183 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4184 "ignoring option\n");
4185 }
4186
4187 #if defined(CONFIG_GTK)
4188 if (display_type == DT_GTK) {
4189 early_gtk_display_init();
4190 }
4191 #endif
4192
4193 socket_init();
4194
4195 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4196 exit(1);
4197 #ifdef CONFIG_VIRTFS
4198 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4199 exit(1);
4200 }
4201 #endif
4202
4203 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4204 os_pidfile_error();
4205 exit(1);
4206 }
4207
4208 /* store value for the future use */
4209 qemu_opt_set_number(qemu_find_opts_singleton("memory"), "size", ram_size);
4210
4211 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4212 != 0) {
4213 exit(0);
4214 }
4215
4216 machine_opts = qemu_get_machine_opts();
4217 if (qemu_opt_foreach(machine_opts, object_set_property, current_machine,
4218 1) < 0) {
4219 object_unref(OBJECT(current_machine));
4220 exit(1);
4221 }
4222
4223 configure_accelerator(machine_class);
4224
4225 if (qtest_chrdev) {
4226 Error *local_err = NULL;
4227 qtest_init(qtest_chrdev, qtest_log, &local_err);
4228 if (local_err) {
4229 error_report("%s", error_get_pretty(local_err));
4230 error_free(local_err);
4231 exit(1);
4232 }
4233 }
4234
4235 machine_opts = qemu_get_machine_opts();
4236 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4237 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4238 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4239 bios_name = qemu_opt_get(machine_opts, "firmware");
4240
4241 boot_order = machine_class->default_boot_order;
4242 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4243 if (opts) {
4244 char *normal_boot_order;
4245 const char *order, *once;
4246
4247 order = qemu_opt_get(opts, "order");
4248 if (order) {
4249 validate_bootdevices(order);
4250 boot_order = order;
4251 }
4252
4253 once = qemu_opt_get(opts, "once");
4254 if (once) {
4255 validate_bootdevices(once);
4256 normal_boot_order = g_strdup(boot_order);
4257 boot_order = once;
4258 qemu_register_reset(restore_boot_order, normal_boot_order);
4259 }
4260
4261 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4262 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4263 }
4264
4265 if (!kernel_cmdline) {
4266 kernel_cmdline = "";
4267 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4268 }
4269
4270 linux_boot = (kernel_filename != NULL);
4271
4272 if (!linux_boot && *kernel_cmdline != '\0') {
4273 fprintf(stderr, "-append only allowed with -kernel option\n");
4274 exit(1);
4275 }
4276
4277 if (!linux_boot && initrd_filename != NULL) {
4278 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4279 exit(1);
4280 }
4281
4282 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4283 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4284 exit(1);
4285 }
4286
4287 os_set_line_buffering();
4288
4289 qemu_init_cpu_loop();
4290 qemu_mutex_lock_iothread();
4291
4292 #ifdef CONFIG_SPICE
4293 /* spice needs the timers to be initialized by this point */
4294 qemu_spice_init();
4295 #endif
4296
4297 if (icount_option && (kvm_enabled() || xen_enabled())) {
4298 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4299 exit(1);
4300 }
4301 configure_icount(icount_option);
4302
4303 /* clean up network at qemu process termination */
4304 atexit(&net_cleanup);
4305
4306 if (net_init_clients() < 0) {
4307 exit(1);
4308 }
4309
4310 #ifdef CONFIG_TPM
4311 if (tpm_init() < 0) {
4312 exit(1);
4313 }
4314 #endif
4315
4316 /* init the bluetooth world */
4317 if (foreach_device_config(DEV_BT, bt_parse))
4318 exit(1);
4319
4320 if (!xen_enabled()) {
4321 /* On 32-bit hosts, QEMU is limited by virtual address space */
4322 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4323 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4324 exit(1);
4325 }
4326 }
4327
4328 blk_mig_init();
4329 ram_mig_init();
4330
4331 /* open the virtual block devices */
4332 if (snapshot)
4333 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4334 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4335 &machine_class->block_default_type, 1) != 0) {
4336 exit(1);
4337 }
4338
4339 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4340 CDROM_OPTS);
4341 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4342 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4343
4344 if (qemu_opts_foreach(qemu_find_opts("numa"), numa_init_func,
4345 NULL, 1) != 0) {
4346 exit(1);
4347 }
4348
4349 set_numa_nodes();
4350
4351 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4352 exit(1);
4353 }
4354
4355 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4356 exit(1);
4357 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4358 exit(1);
4359 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4360 exit(1);
4361 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4362 exit(1);
4363 }
4364 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4365 exit(1);
4366
4367 /* If no default VGA is requested, the default is "none". */
4368 if (default_vga) {
4369 if (cirrus_vga_available()) {
4370 vga_model = "cirrus";
4371 } else if (vga_available()) {
4372 vga_model = "std";
4373 }
4374 }
4375 if (vga_model) {
4376 select_vgahw(vga_model);
4377 }
4378
4379 if (watchdog) {
4380 i = select_watchdog(watchdog);
4381 if (i > 0)
4382 exit (i == 1 ? 1 : 0);
4383 }
4384
4385 if (machine_class->compat_props) {
4386 qdev_prop_register_global_list(machine_class->compat_props);
4387 }
4388 qemu_add_globals();
4389
4390 qdev_machine_init();
4391
4392 current_machine->ram_size = ram_size;
4393 current_machine->maxram_size = maxram_size;
4394 current_machine->ram_slots = ram_slots;
4395 current_machine->boot_order = boot_order;
4396 current_machine->cpu_model = cpu_model;
4397
4398 machine_class->init(current_machine);
4399
4400 audio_init();
4401
4402 cpu_synchronize_all_post_init();
4403
4404 set_numa_modes();
4405
4406 /* init USB devices */
4407 if (usb_enabled(false)) {
4408 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4409 exit(1);
4410 }
4411
4412 /* init generic devices */
4413 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4414 exit(1);
4415
4416 net_check_clients();
4417
4418 ds = init_displaystate();
4419
4420 /* init local displays */
4421 switch (display_type) {
4422 case DT_NOGRAPHIC:
4423 (void)ds; /* avoid warning if no display is configured */
4424 break;
4425 #if defined(CONFIG_CURSES)
4426 case DT_CURSES:
4427 curses_display_init(ds, full_screen);
4428 break;
4429 #endif
4430 #if defined(CONFIG_SDL)
4431 case DT_SDL:
4432 sdl_display_init(ds, full_screen, no_frame);
4433 break;
4434 #elif defined(CONFIG_COCOA)
4435 case DT_SDL:
4436 cocoa_display_init(ds, full_screen);
4437 break;
4438 #endif
4439 #if defined(CONFIG_GTK)
4440 case DT_GTK:
4441 gtk_display_init(ds, full_screen, grab_on_hover);
4442 break;
4443 #endif
4444 default:
4445 break;
4446 }
4447
4448 /* must be after terminal init, SDL library changes signal handlers */
4449 os_setup_signal_handling();
4450
4451 #ifdef CONFIG_VNC
4452 /* init remote displays */
4453 if (vnc_display) {
4454 Error *local_err = NULL;
4455 vnc_display_init(ds);
4456 vnc_display_open(ds, vnc_display, &local_err);
4457 if (local_err != NULL) {
4458 error_report("Failed to start VNC server on `%s': %s",
4459 vnc_display, error_get_pretty(local_err));
4460 error_free(local_err);
4461 exit(1);
4462 }
4463
4464 if (show_vnc_port) {
4465 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4466 }
4467 }
4468 #endif
4469 #ifdef CONFIG_SPICE
4470 if (using_spice) {
4471 qemu_spice_display_init();
4472 }
4473 #endif
4474
4475 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4476 exit(1);
4477 }
4478
4479 qdev_machine_creation_done();
4480
4481 if (rom_load_all() != 0) {
4482 fprintf(stderr, "rom loading failed\n");
4483 exit(1);
4484 }
4485
4486 /* TODO: once all bus devices are qdevified, this should be done
4487 * when bus is created by qdev.c */
4488 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4489 qemu_run_machine_init_done_notifiers();
4490
4491 /* Done notifiers can load ROMs */
4492 rom_load_done();
4493
4494 qemu_system_reset(VMRESET_SILENT);
4495 if (loadvm) {
4496 if (load_vmstate(loadvm) < 0) {
4497 autostart = 0;
4498 }
4499 }
4500
4501 qdev_prop_check_global();
4502 if (vmstate_dump_file) {
4503 /* dump and exit */
4504 dump_vmstate_json_to_file(vmstate_dump_file);
4505 return 0;
4506 }
4507
4508 if (incoming) {
4509 Error *local_err = NULL;
4510 qemu_start_incoming_migration(incoming, &local_err);
4511 if (local_err) {
4512 error_report("-incoming %s: %s", incoming,
4513 error_get_pretty(local_err));
4514 error_free(local_err);
4515 exit(1);
4516 }
4517 } else if (autostart) {
4518 vm_start();
4519 }
4520
4521 os_setup_post();
4522
4523 if (is_daemonized()) {
4524 if (!trace_init_backends(trace_events, trace_file)) {
4525 exit(1);
4526 }
4527 }
4528
4529 main_loop();
4530 bdrv_close_all();
4531 pause_all_vcpus();
4532 res_free();
4533 #ifdef CONFIG_TPM
4534 tpm_cleanup();
4535 #endif
4536
4537 return 0;
4538 }
QEmu