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block: make bdrv_delete() static
[qemu.git] / vl.c
blobb4b119a8853a52d9281574088f349bfd5f3aed46
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 #include <zlib.h>
31 #include "qemu/bitmap.h"
32
33 /* Needed early for CONFIG_BSD etc. */
34 #include "config-host.h"
35
36 #ifndef _WIN32
37 #include <libgen.h>
38 #include <sys/times.h>
39 #include <sys/wait.h>
40 #include <termios.h>
41 #include <sys/mman.h>
42 #include <sys/ioctl.h>
43 #include <sys/resource.h>
44 #include <sys/socket.h>
45 #include <netinet/in.h>
46 #include <net/if.h>
47 #include <arpa/inet.h>
48 #include <dirent.h>
49 #include <netdb.h>
50 #include <sys/select.h>
51
52 #ifdef CONFIG_BSD
53 #include <sys/stat.h>
54 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
55 #include <sys/sysctl.h>
56 #else
57 #include <util.h>
58 #endif
59 #else
60 #ifdef __linux__
61 #include <malloc.h>
62
63 #include <linux/ppdev.h>
64 #include <linux/parport.h>
65 #endif
66
67 #ifdef CONFIG_SECCOMP
68 #include "sysemu/seccomp.h"
69 #endif
70
71 #ifdef __sun__
72 #include <sys/stat.h>
73 #include <sys/ethernet.h>
74 #include <sys/sockio.h>
75 #include <netinet/arp.h>
76 #include <netinet/in_systm.h>
77 #include <netinet/ip.h>
78 #include <netinet/ip_icmp.h> // must come after ip.h
79 #include <netinet/udp.h>
80 #include <netinet/tcp.h>
81 #include <net/if.h>
82 #include <syslog.h>
83 #include <stropts.h>
84 #endif
85 #endif
86 #endif
87
88 #if defined(CONFIG_VDE)
89 #include <libvdeplug.h>
90 #endif
91
92 #ifdef _WIN32
93 #include <windows.h>
94 #endif
95
96 #ifdef CONFIG_SDL
97 #if defined(__APPLE__) || defined(main)
98 #include <SDL.h>
99 int qemu_main(int argc, char **argv, char **envp);
100 int main(int argc, char **argv)
101 {
102 return qemu_main(argc, argv, NULL);
103 }
104 #undef main
105 #define main qemu_main
106 #endif
107 #endif /* CONFIG_SDL */
108
109 #ifdef CONFIG_COCOA
110 #undef main
111 #define main qemu_main
112 #endif /* CONFIG_COCOA */
113
114 #include <glib.h>
115
116 #include "hw/hw.h"
117 #include "hw/boards.h"
118 #include "hw/usb.h"
119 #include "hw/pcmcia.h"
120 #include "hw/i386/pc.h"
121 #include "hw/isa/isa.h"
122 #include "hw/bt.h"
123 #include "sysemu/watchdog.h"
124 #include "hw/i386/smbios.h"
125 #include "hw/xen/xen.h"
126 #include "hw/qdev.h"
127 #include "hw/loader.h"
128 #include "monitor/qdev.h"
129 #include "sysemu/bt.h"
130 #include "net/net.h"
131 #include "net/slirp.h"
132 #include "monitor/monitor.h"
133 #include "ui/console.h"
134 #include "sysemu/sysemu.h"
135 #include "exec/gdbstub.h"
136 #include "qemu/timer.h"
137 #include "sysemu/char.h"
138 #include "qemu/cache-utils.h"
139 #include "sysemu/blockdev.h"
140 #include "hw/block/block.h"
141 #include "migration/block.h"
142 #include "sysemu/tpm.h"
143 #include "sysemu/dma.h"
144 #include "audio/audio.h"
145 #include "migration/migration.h"
146 #include "sysemu/kvm.h"
147 #include "qapi/qmp/qjson.h"
148 #include "qemu/option.h"
149 #include "qemu/config-file.h"
150 #include "qemu-options.h"
151 #include "qmp-commands.h"
152 #include "qemu/main-loop.h"
153 #ifdef CONFIG_VIRTFS
154 #include "fsdev/qemu-fsdev.h"
155 #endif
156 #include "sysemu/qtest.h"
157
158 #include "disas/disas.h"
159
160 #include "qemu/sockets.h"
161
162 #include "slirp/libslirp.h"
163
164 #include "trace.h"
165 #include "trace/control.h"
166 #include "qemu/queue.h"
167 #include "sysemu/cpus.h"
168 #include "sysemu/arch_init.h"
169 #include "qemu/osdep.h"
170
171 #include "ui/qemu-spice.h"
172 #include "qapi/string-input-visitor.h"
173
174 //#define DEBUG_NET
175 //#define DEBUG_SLIRP
176
177 #define DEFAULT_RAM_SIZE 128
178
179 #define MAX_VIRTIO_CONSOLES 1
180 #define MAX_SCLP_CONSOLES 1
181
182 static const char *data_dir[16];
183 static int data_dir_idx;
184 const char *bios_name = NULL;
185 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
186 DisplayType display_type = DT_DEFAULT;
187 static int display_remote;
188 const char* keyboard_layout = NULL;
189 ram_addr_t ram_size;
190 const char *mem_path = NULL;
191 #ifdef MAP_POPULATE
192 int mem_prealloc = 0; /* force preallocation of physical target memory */
193 #endif
194 int nb_nics;
195 NICInfo nd_table[MAX_NICS];
196 int autostart;
197 static int rtc_utc = 1;
198 static int rtc_date_offset = -1; /* -1 means no change */
199 QEMUClockType rtc_clock;
200 int vga_interface_type = VGA_NONE;
201 static int full_screen = 0;
202 static int no_frame = 0;
203 int no_quit = 0;
204 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
205 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
206 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
207 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
208 int win2k_install_hack = 0;
209 int singlestep = 0;
210 int smp_cpus = 1;
211 int max_cpus = 0;
212 int smp_cores = 1;
213 int smp_threads = 1;
214 #ifdef CONFIG_VNC
215 const char *vnc_display;
216 #endif
217 int acpi_enabled = 1;
218 int no_hpet = 0;
219 int fd_bootchk = 1;
220 static int no_reboot;
221 int no_shutdown = 0;
222 int cursor_hide = 1;
223 int graphic_rotate = 0;
224 const char *watchdog;
225 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
226 int nb_option_roms;
227 int semihosting_enabled = 0;
228 int old_param = 0;
229 const char *qemu_name;
230 int alt_grab = 0;
231 int ctrl_grab = 0;
232 unsigned int nb_prom_envs = 0;
233 const char *prom_envs[MAX_PROM_ENVS];
234 int boot_menu;
235 bool boot_strict;
236 uint8_t *boot_splash_filedata;
237 size_t boot_splash_filedata_size;
238 uint8_t qemu_extra_params_fw[2];
239
240 typedef struct FWBootEntry FWBootEntry;
241
242 struct FWBootEntry {
243 QTAILQ_ENTRY(FWBootEntry) link;
244 int32_t bootindex;
245 DeviceState *dev;
246 char *suffix;
247 };
248
249 static QTAILQ_HEAD(, FWBootEntry) fw_boot_order =
250 QTAILQ_HEAD_INITIALIZER(fw_boot_order);
251
252 int nb_numa_nodes;
253 uint64_t node_mem[MAX_NODES];
254 unsigned long *node_cpumask[MAX_NODES];
255
256 uint8_t qemu_uuid[16];
257
258 static QEMUBootSetHandler *boot_set_handler;
259 static void *boot_set_opaque;
260
261 static NotifierList exit_notifiers =
262 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
263
264 static NotifierList machine_init_done_notifiers =
265 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
266
267 static bool tcg_allowed = true;
268 bool xen_allowed;
269 uint32_t xen_domid;
270 enum xen_mode xen_mode = XEN_EMULATE;
271 static int tcg_tb_size;
272
273 static int default_serial = 1;
274 static int default_parallel = 1;
275 static int default_virtcon = 1;
276 static int default_sclp = 1;
277 static int default_monitor = 1;
278 static int default_floppy = 1;
279 static int default_cdrom = 1;
280 static int default_sdcard = 1;
281 static int default_vga = 1;
282
283 static struct {
284 const char *driver;
285 int *flag;
286 } default_list[] = {
287 { .driver = "isa-serial", .flag = &default_serial },
288 { .driver = "isa-parallel", .flag = &default_parallel },
289 { .driver = "isa-fdc", .flag = &default_floppy },
290 { .driver = "ide-cd", .flag = &default_cdrom },
291 { .driver = "ide-hd", .flag = &default_cdrom },
292 { .driver = "ide-drive", .flag = &default_cdrom },
293 { .driver = "scsi-cd", .flag = &default_cdrom },
294 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
295 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
296 { .driver = "virtio-serial", .flag = &default_virtcon },
297 { .driver = "VGA", .flag = &default_vga },
298 { .driver = "isa-vga", .flag = &default_vga },
299 { .driver = "cirrus-vga", .flag = &default_vga },
300 { .driver = "isa-cirrus-vga", .flag = &default_vga },
301 { .driver = "vmware-svga", .flag = &default_vga },
302 { .driver = "qxl-vga", .flag = &default_vga },
303 };
304
305 static QemuOptsList qemu_rtc_opts = {
306 .name = "rtc",
307 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
308 .desc = {
309 {
310 .name = "base",
311 .type = QEMU_OPT_STRING,
312 },{
313 .name = "clock",
314 .type = QEMU_OPT_STRING,
315 },{
316 .name = "driftfix",
317 .type = QEMU_OPT_STRING,
318 },
319 { /* end of list */ }
320 },
321 };
322
323 static QemuOptsList qemu_sandbox_opts = {
324 .name = "sandbox",
325 .implied_opt_name = "enable",
326 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
327 .desc = {
328 {
329 .name = "enable",
330 .type = QEMU_OPT_BOOL,
331 },
332 { /* end of list */ }
333 },
334 };
335
336 static QemuOptsList qemu_trace_opts = {
337 .name = "trace",
338 .implied_opt_name = "trace",
339 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
340 .desc = {
341 {
342 .name = "events",
343 .type = QEMU_OPT_STRING,
344 },{
345 .name = "file",
346 .type = QEMU_OPT_STRING,
347 },
348 { /* end of list */ }
349 },
350 };
351
352 static QemuOptsList qemu_option_rom_opts = {
353 .name = "option-rom",
354 .implied_opt_name = "romfile",
355 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
356 .desc = {
357 {
358 .name = "bootindex",
359 .type = QEMU_OPT_NUMBER,
360 }, {
361 .name = "romfile",
362 .type = QEMU_OPT_STRING,
363 },
364 { /* end of list */ }
365 },
366 };
367
368 static QemuOptsList qemu_machine_opts = {
369 .name = "machine",
370 .implied_opt_name = "type",
371 .merge_lists = true,
372 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
373 .desc = {
374 {
375 .name = "type",
376 .type = QEMU_OPT_STRING,
377 .help = "emulated machine"
378 }, {
379 .name = "accel",
380 .type = QEMU_OPT_STRING,
381 .help = "accelerator list",
382 }, {
383 .name = "kernel_irqchip",
384 .type = QEMU_OPT_BOOL,
385 .help = "use KVM in-kernel irqchip",
386 }, {
387 .name = "kvm_shadow_mem",
388 .type = QEMU_OPT_SIZE,
389 .help = "KVM shadow MMU size",
390 }, {
391 .name = "kernel",
392 .type = QEMU_OPT_STRING,
393 .help = "Linux kernel image file",
394 }, {
395 .name = "initrd",
396 .type = QEMU_OPT_STRING,
397 .help = "Linux initial ramdisk file",
398 }, {
399 .name = "append",
400 .type = QEMU_OPT_STRING,
401 .help = "Linux kernel command line",
402 }, {
403 .name = "dtb",
404 .type = QEMU_OPT_STRING,
405 .help = "Linux kernel device tree file",
406 }, {
407 .name = "dumpdtb",
408 .type = QEMU_OPT_STRING,
409 .help = "Dump current dtb to a file and quit",
410 }, {
411 .name = "phandle_start",
412 .type = QEMU_OPT_NUMBER,
413 .help = "The first phandle ID we may generate dynamically",
414 }, {
415 .name = "dt_compatible",
416 .type = QEMU_OPT_STRING,
417 .help = "Overrides the \"compatible\" property of the dt root node",
418 }, {
419 .name = "dump-guest-core",
420 .type = QEMU_OPT_BOOL,
421 .help = "Include guest memory in a core dump",
422 }, {
423 .name = "mem-merge",
424 .type = QEMU_OPT_BOOL,
425 .help = "enable/disable memory merge support",
426 },{
427 .name = "usb",
428 .type = QEMU_OPT_BOOL,
429 .help = "Set on/off to enable/disable usb",
430 },
431 { /* End of list */ }
432 },
433 };
434
435 static QemuOptsList qemu_boot_opts = {
436 .name = "boot-opts",
437 .implied_opt_name = "order",
438 .merge_lists = true,
439 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
440 .desc = {
441 {
442 .name = "order",
443 .type = QEMU_OPT_STRING,
444 }, {
445 .name = "once",
446 .type = QEMU_OPT_STRING,
447 }, {
448 .name = "menu",
449 .type = QEMU_OPT_BOOL,
450 }, {
451 .name = "splash",
452 .type = QEMU_OPT_STRING,
453 }, {
454 .name = "splash-time",
455 .type = QEMU_OPT_STRING,
456 }, {
457 .name = "reboot-timeout",
458 .type = QEMU_OPT_STRING,
459 }, {
460 .name = "strict",
461 .type = QEMU_OPT_STRING,
462 },
463 { /*End of list */ }
464 },
465 };
466
467 static QemuOptsList qemu_add_fd_opts = {
468 .name = "add-fd",
469 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
470 .desc = {
471 {
472 .name = "fd",
473 .type = QEMU_OPT_NUMBER,
474 .help = "file descriptor of which a duplicate is added to fd set",
475 },{
476 .name = "set",
477 .type = QEMU_OPT_NUMBER,
478 .help = "ID of the fd set to add fd to",
479 },{
480 .name = "opaque",
481 .type = QEMU_OPT_STRING,
482 .help = "free-form string used to describe fd",
483 },
484 { /* end of list */ }
485 },
486 };
487
488 static QemuOptsList qemu_object_opts = {
489 .name = "object",
490 .implied_opt_name = "qom-type",
491 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
492 .desc = {
493 { }
494 },
495 };
496
497 static QemuOptsList qemu_tpmdev_opts = {
498 .name = "tpmdev",
499 .implied_opt_name = "type",
500 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
501 .desc = {
502 /* options are defined in the TPM backends */
503 { /* end of list */ }
504 },
505 };
506
507 static QemuOptsList qemu_realtime_opts = {
508 .name = "realtime",
509 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
510 .desc = {
511 {
512 .name = "mlock",
513 .type = QEMU_OPT_BOOL,
514 },
515 { /* end of list */ }
516 },
517 };
518
519 static QemuOptsList qemu_msg_opts = {
520 .name = "msg",
521 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
522 .desc = {
523 {
524 .name = "timestamp",
525 .type = QEMU_OPT_BOOL,
526 },
527 { /* end of list */ }
528 },
529 };
530
531 /**
532 * Get machine options
533 *
534 * Returns: machine options (never null).
535 */
536 QemuOpts *qemu_get_machine_opts(void)
537 {
538 QemuOptsList *list;
539 QemuOpts *opts;
540
541 list = qemu_find_opts("machine");
542 assert(list);
543 opts = qemu_opts_find(list, NULL);
544 if (!opts) {
545 opts = qemu_opts_create_nofail(list);
546 }
547 return opts;
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 typedef struct {
584 RunState from;
585 RunState to;
586 } RunStateTransition;
587
588 static const RunStateTransition runstate_transitions_def[] = {
589 /* from -> to */
590 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
591
592 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
593 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
594
595 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
596 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
597
598 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
599 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
600
601 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
602 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
603
604 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
605 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
606
607 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
608 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
609 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
610
611 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
612 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
613
614 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
615
616 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
617 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
618 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
619 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
620 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
621 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
622 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
623 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
624 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
625 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
626
627 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
628
629 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
630 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
631
632 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
633 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
634 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
635 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
636
637 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
638 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
639
640 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PAUSED },
641 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
642 { RUN_STATE_GUEST_PANICKED, RUN_STATE_DEBUG },
643
644 { RUN_STATE_MAX, RUN_STATE_MAX },
645 };
646
647 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
648
649 bool runstate_check(RunState state)
650 {
651 return current_run_state == state;
652 }
653
654 static void runstate_init(void)
655 {
656 const RunStateTransition *p;
657
658 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
659
660 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
661 runstate_valid_transitions[p->from][p->to] = true;
662 }
663 }
664
665 /* This function will abort() on invalid state transitions */
666 void runstate_set(RunState new_state)
667 {
668 assert(new_state < RUN_STATE_MAX);
669
670 if (!runstate_valid_transitions[current_run_state][new_state]) {
671 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
672 RunState_lookup[current_run_state],
673 RunState_lookup[new_state]);
674 abort();
675 }
676 trace_runstate_set(new_state);
677 current_run_state = new_state;
678 }
679
680 int runstate_is_running(void)
681 {
682 return runstate_check(RUN_STATE_RUNNING);
683 }
684
685 bool runstate_needs_reset(void)
686 {
687 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
688 runstate_check(RUN_STATE_SHUTDOWN) ||
689 runstate_check(RUN_STATE_GUEST_PANICKED);
690 }
691
692 StatusInfo *qmp_query_status(Error **errp)
693 {
694 StatusInfo *info = g_malloc0(sizeof(*info));
695
696 info->running = runstate_is_running();
697 info->singlestep = singlestep;
698 info->status = current_run_state;
699
700 return info;
701 }
702
703 /***********************************************************/
704 /* real time host monotonic timer */
705
706 /***********************************************************/
707 /* host time/date access */
708 void qemu_get_timedate(struct tm *tm, int offset)
709 {
710 time_t ti;
711
712 time(&ti);
713 ti += offset;
714 if (rtc_date_offset == -1) {
715 if (rtc_utc)
716 gmtime_r(&ti, tm);
717 else
718 localtime_r(&ti, tm);
719 } else {
720 ti -= rtc_date_offset;
721 gmtime_r(&ti, tm);
722 }
723 }
724
725 int qemu_timedate_diff(struct tm *tm)
726 {
727 time_t seconds;
728
729 if (rtc_date_offset == -1)
730 if (rtc_utc)
731 seconds = mktimegm(tm);
732 else {
733 struct tm tmp = *tm;
734 tmp.tm_isdst = -1; /* use timezone to figure it out */
735 seconds = mktime(&tmp);
736 }
737 else
738 seconds = mktimegm(tm) + rtc_date_offset;
739
740 return seconds - time(NULL);
741 }
742
743 void rtc_change_mon_event(struct tm *tm)
744 {
745 QObject *data;
746
747 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
748 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
749 qobject_decref(data);
750 }
751
752 static void configure_rtc_date_offset(const char *startdate, int legacy)
753 {
754 time_t rtc_start_date;
755 struct tm tm;
756
757 if (!strcmp(startdate, "now") && legacy) {
758 rtc_date_offset = -1;
759 } else {
760 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
761 &tm.tm_year,
762 &tm.tm_mon,
763 &tm.tm_mday,
764 &tm.tm_hour,
765 &tm.tm_min,
766 &tm.tm_sec) == 6) {
767 /* OK */
768 } else if (sscanf(startdate, "%d-%d-%d",
769 &tm.tm_year,
770 &tm.tm_mon,
771 &tm.tm_mday) == 3) {
772 tm.tm_hour = 0;
773 tm.tm_min = 0;
774 tm.tm_sec = 0;
775 } else {
776 goto date_fail;
777 }
778 tm.tm_year -= 1900;
779 tm.tm_mon--;
780 rtc_start_date = mktimegm(&tm);
781 if (rtc_start_date == -1) {
782 date_fail:
783 fprintf(stderr, "Invalid date format. Valid formats are:\n"
784 "'2006-06-17T16:01:21' or '2006-06-17'\n");
785 exit(1);
786 }
787 rtc_date_offset = time(NULL) - rtc_start_date;
788 }
789 }
790
791 static void configure_rtc(QemuOpts *opts)
792 {
793 const char *value;
794
795 value = qemu_opt_get(opts, "base");
796 if (value) {
797 if (!strcmp(value, "utc")) {
798 rtc_utc = 1;
799 } else if (!strcmp(value, "localtime")) {
800 rtc_utc = 0;
801 } else {
802 configure_rtc_date_offset(value, 0);
803 }
804 }
805 value = qemu_opt_get(opts, "clock");
806 if (value) {
807 if (!strcmp(value, "host")) {
808 rtc_clock = QEMU_CLOCK_HOST;
809 } else if (!strcmp(value, "rt")) {
810 rtc_clock = QEMU_CLOCK_REALTIME;
811 } else if (!strcmp(value, "vm")) {
812 rtc_clock = QEMU_CLOCK_VIRTUAL;
813 } else {
814 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
815 exit(1);
816 }
817 }
818 value = qemu_opt_get(opts, "driftfix");
819 if (value) {
820 if (!strcmp(value, "slew")) {
821 static GlobalProperty slew_lost_ticks[] = {
822 {
823 .driver = "mc146818rtc",
824 .property = "lost_tick_policy",
825 .value = "slew",
826 },
827 { /* end of list */ }
828 };
829
830 qdev_prop_register_global_list(slew_lost_ticks);
831 } else if (!strcmp(value, "none")) {
832 /* discard is default */
833 } else {
834 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
835 exit(1);
836 }
837 }
838 }
839
840 /***********************************************************/
841 /* Bluetooth support */
842 static int nb_hcis;
843 static int cur_hci;
844 static struct HCIInfo *hci_table[MAX_NICS];
845
846 static struct bt_vlan_s {
847 struct bt_scatternet_s net;
848 int id;
849 struct bt_vlan_s *next;
850 } *first_bt_vlan;
851
852 /* find or alloc a new bluetooth "VLAN" */
853 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
854 {
855 struct bt_vlan_s **pvlan, *vlan;
856 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
857 if (vlan->id == id)
858 return &vlan->net;
859 }
860 vlan = g_malloc0(sizeof(struct bt_vlan_s));
861 vlan->id = id;
862 pvlan = &first_bt_vlan;
863 while (*pvlan != NULL)
864 pvlan = &(*pvlan)->next;
865 *pvlan = vlan;
866 return &vlan->net;
867 }
868
869 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
870 {
871 }
872
873 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
874 {
875 return -ENOTSUP;
876 }
877
878 static struct HCIInfo null_hci = {
879 .cmd_send = null_hci_send,
880 .sco_send = null_hci_send,
881 .acl_send = null_hci_send,
882 .bdaddr_set = null_hci_addr_set,
883 };
884
885 struct HCIInfo *qemu_next_hci(void)
886 {
887 if (cur_hci == nb_hcis)
888 return &null_hci;
889
890 return hci_table[cur_hci++];
891 }
892
893 static struct HCIInfo *hci_init(const char *str)
894 {
895 char *endp;
896 struct bt_scatternet_s *vlan = 0;
897
898 if (!strcmp(str, "null"))
899 /* null */
900 return &null_hci;
901 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
902 /* host[:hciN] */
903 return bt_host_hci(str[4] ? str + 5 : "hci0");
904 else if (!strncmp(str, "hci", 3)) {
905 /* hci[,vlan=n] */
906 if (str[3]) {
907 if (!strncmp(str + 3, ",vlan=", 6)) {
908 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
909 if (*endp)
910 vlan = 0;
911 }
912 } else
913 vlan = qemu_find_bt_vlan(0);
914 if (vlan)
915 return bt_new_hci(vlan);
916 }
917
918 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
919
920 return 0;
921 }
922
923 static int bt_hci_parse(const char *str)
924 {
925 struct HCIInfo *hci;
926 bdaddr_t bdaddr;
927
928 if (nb_hcis >= MAX_NICS) {
929 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
930 return -1;
931 }
932
933 hci = hci_init(str);
934 if (!hci)
935 return -1;
936
937 bdaddr.b[0] = 0x52;
938 bdaddr.b[1] = 0x54;
939 bdaddr.b[2] = 0x00;
940 bdaddr.b[3] = 0x12;
941 bdaddr.b[4] = 0x34;
942 bdaddr.b[5] = 0x56 + nb_hcis;
943 hci->bdaddr_set(hci, bdaddr.b);
944
945 hci_table[nb_hcis++] = hci;
946
947 return 0;
948 }
949
950 static void bt_vhci_add(int vlan_id)
951 {
952 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
953
954 if (!vlan->slave)
955 fprintf(stderr, "qemu: warning: adding a VHCI to "
956 "an empty scatternet %i\n", vlan_id);
957
958 bt_vhci_init(bt_new_hci(vlan));
959 }
960
961 static struct bt_device_s *bt_device_add(const char *opt)
962 {
963 struct bt_scatternet_s *vlan;
964 int vlan_id = 0;
965 char *endp = strstr(opt, ",vlan=");
966 int len = (endp ? endp - opt : strlen(opt)) + 1;
967 char devname[10];
968
969 pstrcpy(devname, MIN(sizeof(devname), len), opt);
970
971 if (endp) {
972 vlan_id = strtol(endp + 6, &endp, 0);
973 if (*endp) {
974 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
975 return 0;
976 }
977 }
978
979 vlan = qemu_find_bt_vlan(vlan_id);
980
981 if (!vlan->slave)
982 fprintf(stderr, "qemu: warning: adding a slave device to "
983 "an empty scatternet %i\n", vlan_id);
984
985 if (!strcmp(devname, "keyboard"))
986 return bt_keyboard_init(vlan);
987
988 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
989 return 0;
990 }
991
992 static int bt_parse(const char *opt)
993 {
994 const char *endp, *p;
995 int vlan;
996
997 if (strstart(opt, "hci", &endp)) {
998 if (!*endp || *endp == ',') {
999 if (*endp)
1000 if (!strstart(endp, ",vlan=", 0))
1001 opt = endp + 1;
1002
1003 return bt_hci_parse(opt);
1004 }
1005 } else if (strstart(opt, "vhci", &endp)) {
1006 if (!*endp || *endp == ',') {
1007 if (*endp) {
1008 if (strstart(endp, ",vlan=", &p)) {
1009 vlan = strtol(p, (char **) &endp, 0);
1010 if (*endp) {
1011 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
1012 return 1;
1013 }
1014 } else {
1015 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
1016 return 1;
1017 }
1018 } else
1019 vlan = 0;
1020
1021 bt_vhci_add(vlan);
1022 return 0;
1023 }
1024 } else if (strstart(opt, "device:", &endp))
1025 return !bt_device_add(endp);
1026
1027 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
1028 return 1;
1029 }
1030
1031 static int parse_sandbox(QemuOpts *opts, void *opaque)
1032 {
1033 /* FIXME: change this to true for 1.3 */
1034 if (qemu_opt_get_bool(opts, "enable", false)) {
1035 #ifdef CONFIG_SECCOMP
1036 if (seccomp_start() < 0) {
1037 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1038 "failed to install seccomp syscall filter in the kernel");
1039 return -1;
1040 }
1041 #else
1042 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1043 "sandboxing request but seccomp is not compiled into this build");
1044 return -1;
1045 #endif
1046 }
1047
1048 return 0;
1049 }
1050
1051 bool usb_enabled(bool default_usb)
1052 {
1053 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb", default_usb);
1054 }
1055
1056 #ifndef _WIN32
1057 static int parse_add_fd(QemuOpts *opts, void *opaque)
1058 {
1059 int fd, dupfd, flags;
1060 int64_t fdset_id;
1061 const char *fd_opaque = NULL;
1062
1063 fd = qemu_opt_get_number(opts, "fd", -1);
1064 fdset_id = qemu_opt_get_number(opts, "set", -1);
1065 fd_opaque = qemu_opt_get(opts, "opaque");
1066
1067 if (fd < 0) {
1068 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1069 "fd option is required and must be non-negative");
1070 return -1;
1071 }
1072
1073 if (fd <= STDERR_FILENO) {
1074 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1075 "fd cannot be a standard I/O stream");
1076 return -1;
1077 }
1078
1079 /*
1080 * All fds inherited across exec() necessarily have FD_CLOEXEC
1081 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1082 */
1083 flags = fcntl(fd, F_GETFD);
1084 if (flags == -1 || (flags & FD_CLOEXEC)) {
1085 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1086 "fd is not valid or already in use");
1087 return -1;
1088 }
1089
1090 if (fdset_id < 0) {
1091 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1092 "set option is required and must be non-negative");
1093 return -1;
1094 }
1095
1096 #ifdef F_DUPFD_CLOEXEC
1097 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1098 #else
1099 dupfd = dup(fd);
1100 if (dupfd != -1) {
1101 qemu_set_cloexec(dupfd);
1102 }
1103 #endif
1104 if (dupfd == -1) {
1105 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1106 "Error duplicating fd: %s", strerror(errno));
1107 return -1;
1108 }
1109
1110 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1111 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1112 fd_opaque, NULL);
1113
1114 return 0;
1115 }
1116
1117 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1118 {
1119 int fd;
1120
1121 fd = qemu_opt_get_number(opts, "fd", -1);
1122 close(fd);
1123
1124 return 0;
1125 }
1126 #endif
1127
1128 /***********************************************************/
1129 /* QEMU Block devices */
1130
1131 #define HD_OPTS "media=disk"
1132 #define CDROM_OPTS "media=cdrom"
1133 #define FD_OPTS ""
1134 #define PFLASH_OPTS ""
1135 #define MTD_OPTS ""
1136 #define SD_OPTS ""
1137
1138 static int drive_init_func(QemuOpts *opts, void *opaque)
1139 {
1140 BlockInterfaceType *block_default_type = opaque;
1141
1142 return drive_init(opts, *block_default_type) == NULL;
1143 }
1144
1145 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1146 {
1147 if (NULL == qemu_opt_get(opts, "snapshot")) {
1148 qemu_opt_set(opts, "snapshot", "on");
1149 }
1150 return 0;
1151 }
1152
1153 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1154 int index, const char *optstr)
1155 {
1156 QemuOpts *opts;
1157
1158 if (!enable || drive_get_by_index(type, index)) {
1159 return;
1160 }
1161
1162 opts = drive_add(type, index, NULL, optstr);
1163 if (snapshot) {
1164 drive_enable_snapshot(opts, NULL);
1165 }
1166 if (!drive_init(opts, type)) {
1167 exit(1);
1168 }
1169 }
1170
1171 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1172 {
1173 boot_set_handler = func;
1174 boot_set_opaque = opaque;
1175 }
1176
1177 int qemu_boot_set(const char *boot_order)
1178 {
1179 if (!boot_set_handler) {
1180 return -EINVAL;
1181 }
1182 return boot_set_handler(boot_set_opaque, boot_order);
1183 }
1184
1185 static void validate_bootdevices(const char *devices)
1186 {
1187 /* We just do some generic consistency checks */
1188 const char *p;
1189 int bitmap = 0;
1190
1191 for (p = devices; *p != '\0'; p++) {
1192 /* Allowed boot devices are:
1193 * a-b: floppy disk drives
1194 * c-f: IDE disk drives
1195 * g-m: machine implementation dependent drives
1196 * n-p: network devices
1197 * It's up to each machine implementation to check if the given boot
1198 * devices match the actual hardware implementation and firmware
1199 * features.
1200 */
1201 if (*p < 'a' || *p > 'p') {
1202 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1203 exit(1);
1204 }
1205 if (bitmap & (1 << (*p - 'a'))) {
1206 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1207 exit(1);
1208 }
1209 bitmap |= 1 << (*p - 'a');
1210 }
1211 }
1212
1213 static void restore_boot_order(void *opaque)
1214 {
1215 char *normal_boot_order = opaque;
1216 static int first = 1;
1217
1218 /* Restore boot order and remove ourselves after the first boot */
1219 if (first) {
1220 first = 0;
1221 return;
1222 }
1223
1224 qemu_boot_set(normal_boot_order);
1225
1226 qemu_unregister_reset(restore_boot_order, normal_boot_order);
1227 g_free(normal_boot_order);
1228 }
1229
1230 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
1231 const char *suffix)
1232 {
1233 FWBootEntry *node, *i;
1234
1235 if (bootindex < 0) {
1236 return;
1237 }
1238
1239 assert(dev != NULL || suffix != NULL);
1240
1241 node = g_malloc0(sizeof(FWBootEntry));
1242 node->bootindex = bootindex;
1243 node->suffix = g_strdup(suffix);
1244 node->dev = dev;
1245
1246 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1247 if (i->bootindex == bootindex) {
1248 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1249 exit(1);
1250 } else if (i->bootindex < bootindex) {
1251 continue;
1252 }
1253 QTAILQ_INSERT_BEFORE(i, node, link);
1254 return;
1255 }
1256 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1257 }
1258
1259 DeviceState *get_boot_device(uint32_t position)
1260 {
1261 uint32_t counter = 0;
1262 FWBootEntry *i = NULL;
1263 DeviceState *res = NULL;
1264
1265 if (!QTAILQ_EMPTY(&fw_boot_order)) {
1266 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1267 if (counter == position) {
1268 res = i->dev;
1269 break;
1270 }
1271 counter++;
1272 }
1273 }
1274 return res;
1275 }
1276
1277 /*
1278 * This function returns null terminated string that consist of new line
1279 * separated device paths.
1280 *
1281 * memory pointed by "size" is assigned total length of the array in bytes
1282 *
1283 */
1284 char *get_boot_devices_list(size_t *size)
1285 {
1286 FWBootEntry *i;
1287 size_t total = 0;
1288 char *list = NULL;
1289
1290 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1291 char *devpath = NULL, *bootpath;
1292 size_t len;
1293
1294 if (i->dev) {
1295 devpath = qdev_get_fw_dev_path(i->dev);
1296 assert(devpath);
1297 }
1298
1299 if (i->suffix && devpath) {
1300 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1301
1302 bootpath = g_malloc(bootpathlen);
1303 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1304 g_free(devpath);
1305 } else if (devpath) {
1306 bootpath = devpath;
1307 } else {
1308 assert(i->suffix);
1309 bootpath = g_strdup(i->suffix);
1310 }
1311
1312 if (total) {
1313 list[total-1] = '\n';
1314 }
1315 len = strlen(bootpath) + 1;
1316 list = g_realloc(list, total + len);
1317 memcpy(&list[total], bootpath, len);
1318 total += len;
1319 g_free(bootpath);
1320 }
1321
1322 *size = total;
1323
1324 if (boot_strict && *size > 0) {
1325 list[total-1] = '\n';
1326 list = g_realloc(list, total + 5);
1327 memcpy(&list[total], "HALT", 5);
1328 *size = total + 5;
1329 }
1330 return list;
1331 }
1332
1333 static void numa_node_parse_cpus(int nodenr, const char *cpus)
1334 {
1335 char *endptr;
1336 unsigned long long value, endvalue;
1337
1338 /* Empty CPU range strings will be considered valid, they will simply
1339 * not set any bit in the CPU bitmap.
1340 */
1341 if (!*cpus) {
1342 return;
1343 }
1344
1345 if (parse_uint(cpus, &value, &endptr, 10) < 0) {
1346 goto error;
1347 }
1348 if (*endptr == '-') {
1349 if (parse_uint_full(endptr + 1, &endvalue, 10) < 0) {
1350 goto error;
1351 }
1352 } else if (*endptr == '\0') {
1353 endvalue = value;
1354 } else {
1355 goto error;
1356 }
1357
1358 if (endvalue >= MAX_CPUMASK_BITS) {
1359 endvalue = MAX_CPUMASK_BITS - 1;
1360 fprintf(stderr,
1361 "qemu: NUMA: A max of %d VCPUs are supported\n",
1362 MAX_CPUMASK_BITS);
1363 }
1364
1365 if (endvalue < value) {
1366 goto error;
1367 }
1368
1369 bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
1370 return;
1371
1372 error:
1373 fprintf(stderr, "qemu: Invalid NUMA CPU range: %s\n", cpus);
1374 exit(1);
1375 }
1376
1377 static void numa_add(const char *optarg)
1378 {
1379 char option[128];
1380 char *endptr;
1381 unsigned long long nodenr;
1382
1383 optarg = get_opt_name(option, 128, optarg, ',');
1384 if (*optarg == ',') {
1385 optarg++;
1386 }
1387 if (!strcmp(option, "node")) {
1388
1389 if (nb_numa_nodes >= MAX_NODES) {
1390 fprintf(stderr, "qemu: too many NUMA nodes\n");
1391 exit(1);
1392 }
1393
1394 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1395 nodenr = nb_numa_nodes;
1396 } else {
1397 if (parse_uint_full(option, &nodenr, 10) < 0) {
1398 fprintf(stderr, "qemu: Invalid NUMA nodeid: %s\n", option);
1399 exit(1);
1400 }
1401 }
1402
1403 if (nodenr >= MAX_NODES) {
1404 fprintf(stderr, "qemu: invalid NUMA nodeid: %llu\n", nodenr);
1405 exit(1);
1406 }
1407
1408 if (get_param_value(option, 128, "mem", optarg) == 0) {
1409 node_mem[nodenr] = 0;
1410 } else {
1411 int64_t sval;
1412 sval = strtosz(option, &endptr);
1413 if (sval < 0 || *endptr) {
1414 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
1415 exit(1);
1416 }
1417 node_mem[nodenr] = sval;
1418 }
1419 if (get_param_value(option, 128, "cpus", optarg) != 0) {
1420 numa_node_parse_cpus(nodenr, option);
1421 }
1422 nb_numa_nodes++;
1423 } else {
1424 fprintf(stderr, "Invalid -numa option: %s\n", option);
1425 exit(1);
1426 }
1427 }
1428
1429 static QemuOptsList qemu_smp_opts = {
1430 .name = "smp-opts",
1431 .implied_opt_name = "cpus",
1432 .merge_lists = true,
1433 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1434 .desc = {
1435 {
1436 .name = "cpus",
1437 .type = QEMU_OPT_NUMBER,
1438 }, {
1439 .name = "sockets",
1440 .type = QEMU_OPT_NUMBER,
1441 }, {
1442 .name = "cores",
1443 .type = QEMU_OPT_NUMBER,
1444 }, {
1445 .name = "threads",
1446 .type = QEMU_OPT_NUMBER,
1447 }, {
1448 .name = "maxcpus",
1449 .type = QEMU_OPT_NUMBER,
1450 },
1451 { /*End of list */ }
1452 },
1453 };
1454
1455 static void smp_parse(QemuOpts *opts)
1456 {
1457 if (opts) {
1458
1459 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1460 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1461 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1462 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1463
1464 /* compute missing values, prefer sockets over cores over threads */
1465 if (cpus == 0 || sockets == 0) {
1466 sockets = sockets > 0 ? sockets : 1;
1467 cores = cores > 0 ? cores : 1;
1468 threads = threads > 0 ? threads : 1;
1469 if (cpus == 0) {
1470 cpus = cores * threads * sockets;
1471 }
1472 } else {
1473 if (cores == 0) {
1474 threads = threads > 0 ? threads : 1;
1475 cores = cpus / (sockets * threads);
1476 } else {
1477 threads = cpus / (cores * sockets);
1478 }
1479 }
1480
1481 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1482
1483 smp_cpus = cpus;
1484 smp_cores = cores > 0 ? cores : 1;
1485 smp_threads = threads > 0 ? threads : 1;
1486
1487 }
1488
1489 if (max_cpus == 0) {
1490 max_cpus = smp_cpus;
1491 }
1492
1493 if (max_cpus > 255) {
1494 fprintf(stderr, "Unsupported number of maxcpus\n");
1495 exit(1);
1496 }
1497 if (max_cpus < smp_cpus) {
1498 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1499 exit(1);
1500 }
1501
1502 }
1503
1504 static void configure_realtime(QemuOpts *opts)
1505 {
1506 bool enable_mlock;
1507
1508 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
1509
1510 if (enable_mlock) {
1511 if (os_mlock() < 0) {
1512 fprintf(stderr, "qemu: locking memory failed\n");
1513 exit(1);
1514 }
1515 }
1516 }
1517
1518
1519 static void configure_msg(QemuOpts *opts)
1520 {
1521 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1522 }
1523
1524 /***********************************************************/
1525 /* USB devices */
1526
1527 static int usb_device_add(const char *devname)
1528 {
1529 const char *p;
1530 USBDevice *dev = NULL;
1531
1532 if (!usb_enabled(false)) {
1533 return -1;
1534 }
1535
1536 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1537 dev = usbdevice_create(devname);
1538 if (dev)
1539 goto done;
1540
1541 /* the other ones */
1542 #ifndef CONFIG_LINUX
1543 /* only the linux version is qdev-ified, usb-bsd still needs this */
1544 if (strstart(devname, "host:", &p)) {
1545 dev = usb_host_device_open(usb_bus_find(-1), p);
1546 } else
1547 #endif
1548 if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1549 dev = usb_bt_init(usb_bus_find(-1),
1550 devname[2] ? hci_init(p)
1551 : bt_new_hci(qemu_find_bt_vlan(0)));
1552 } else {
1553 return -1;
1554 }
1555 if (!dev)
1556 return -1;
1557
1558 done:
1559 return 0;
1560 }
1561
1562 static int usb_device_del(const char *devname)
1563 {
1564 int bus_num, addr;
1565 const char *p;
1566
1567 if (strstart(devname, "host:", &p)) {
1568 return -1;
1569 }
1570
1571 if (!usb_enabled(false)) {
1572 return -1;
1573 }
1574
1575 p = strchr(devname, '.');
1576 if (!p)
1577 return -1;
1578 bus_num = strtoul(devname, NULL, 0);
1579 addr = strtoul(p + 1, NULL, 0);
1580
1581 return usb_device_delete_addr(bus_num, addr);
1582 }
1583
1584 static int usb_parse(const char *cmdline)
1585 {
1586 int r;
1587 r = usb_device_add(cmdline);
1588 if (r < 0) {
1589 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1590 }
1591 return r;
1592 }
1593
1594 void do_usb_add(Monitor *mon, const QDict *qdict)
1595 {
1596 const char *devname = qdict_get_str(qdict, "devname");
1597 if (usb_device_add(devname) < 0) {
1598 error_report("could not add USB device '%s'", devname);
1599 }
1600 }
1601
1602 void do_usb_del(Monitor *mon, const QDict *qdict)
1603 {
1604 const char *devname = qdict_get_str(qdict, "devname");
1605 if (usb_device_del(devname) < 0) {
1606 error_report("could not delete USB device '%s'", devname);
1607 }
1608 }
1609
1610 /***********************************************************/
1611 /* PCMCIA/Cardbus */
1612
1613 static struct pcmcia_socket_entry_s {
1614 PCMCIASocket *socket;
1615 struct pcmcia_socket_entry_s *next;
1616 } *pcmcia_sockets = 0;
1617
1618 void pcmcia_socket_register(PCMCIASocket *socket)
1619 {
1620 struct pcmcia_socket_entry_s *entry;
1621
1622 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1623 entry->socket = socket;
1624 entry->next = pcmcia_sockets;
1625 pcmcia_sockets = entry;
1626 }
1627
1628 void pcmcia_socket_unregister(PCMCIASocket *socket)
1629 {
1630 struct pcmcia_socket_entry_s *entry, **ptr;
1631
1632 ptr = &pcmcia_sockets;
1633 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1634 if (entry->socket == socket) {
1635 *ptr = entry->next;
1636 g_free(entry);
1637 }
1638 }
1639
1640 void pcmcia_info(Monitor *mon, const QDict *qdict)
1641 {
1642 struct pcmcia_socket_entry_s *iter;
1643
1644 if (!pcmcia_sockets)
1645 monitor_printf(mon, "No PCMCIA sockets\n");
1646
1647 for (iter = pcmcia_sockets; iter; iter = iter->next)
1648 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1649 iter->socket->attached ? iter->socket->card_string :
1650 "Empty");
1651 }
1652
1653 /***********************************************************/
1654 /* machine registration */
1655
1656 static QEMUMachine *first_machine = NULL;
1657 QEMUMachine *current_machine = NULL;
1658
1659 int qemu_register_machine(QEMUMachine *m)
1660 {
1661 QEMUMachine **pm;
1662 pm = &first_machine;
1663 while (*pm != NULL)
1664 pm = &(*pm)->next;
1665 m->next = NULL;
1666 *pm = m;
1667 return 0;
1668 }
1669
1670 static QEMUMachine *find_machine(const char *name)
1671 {
1672 QEMUMachine *m;
1673
1674 for(m = first_machine; m != NULL; m = m->next) {
1675 if (!strcmp(m->name, name))
1676 return m;
1677 if (m->alias && !strcmp(m->alias, name))
1678 return m;
1679 }
1680 return NULL;
1681 }
1682
1683 QEMUMachine *find_default_machine(void)
1684 {
1685 QEMUMachine *m;
1686
1687 for(m = first_machine; m != NULL; m = m->next) {
1688 if (m->is_default) {
1689 return m;
1690 }
1691 }
1692 return NULL;
1693 }
1694
1695 MachineInfoList *qmp_query_machines(Error **errp)
1696 {
1697 MachineInfoList *mach_list = NULL;
1698 QEMUMachine *m;
1699
1700 for (m = first_machine; m; m = m->next) {
1701 MachineInfoList *entry;
1702 MachineInfo *info;
1703
1704 info = g_malloc0(sizeof(*info));
1705 if (m->is_default) {
1706 info->has_is_default = true;
1707 info->is_default = true;
1708 }
1709
1710 if (m->alias) {
1711 info->has_alias = true;
1712 info->alias = g_strdup(m->alias);
1713 }
1714
1715 info->name = g_strdup(m->name);
1716 info->cpu_max = !m->max_cpus ? 1 : m->max_cpus;
1717
1718 entry = g_malloc0(sizeof(*entry));
1719 entry->value = info;
1720 entry->next = mach_list;
1721 mach_list = entry;
1722 }
1723
1724 return mach_list;
1725 }
1726
1727 /***********************************************************/
1728 /* main execution loop */
1729
1730 struct vm_change_state_entry {
1731 VMChangeStateHandler *cb;
1732 void *opaque;
1733 QLIST_ENTRY (vm_change_state_entry) entries;
1734 };
1735
1736 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1737
1738 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1739 void *opaque)
1740 {
1741 VMChangeStateEntry *e;
1742
1743 e = g_malloc0(sizeof (*e));
1744
1745 e->cb = cb;
1746 e->opaque = opaque;
1747 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1748 return e;
1749 }
1750
1751 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1752 {
1753 QLIST_REMOVE (e, entries);
1754 g_free (e);
1755 }
1756
1757 void vm_state_notify(int running, RunState state)
1758 {
1759 VMChangeStateEntry *e;
1760
1761 trace_vm_state_notify(running, state);
1762
1763 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1764 e->cb(e->opaque, running, state);
1765 }
1766 }
1767
1768 void vm_start(void)
1769 {
1770 if (!runstate_is_running()) {
1771 cpu_enable_ticks();
1772 runstate_set(RUN_STATE_RUNNING);
1773 vm_state_notify(1, RUN_STATE_RUNNING);
1774 resume_all_vcpus();
1775 monitor_protocol_event(QEVENT_RESUME, NULL);
1776 }
1777 }
1778
1779 /* reset/shutdown handler */
1780
1781 typedef struct QEMUResetEntry {
1782 QTAILQ_ENTRY(QEMUResetEntry) entry;
1783 QEMUResetHandler *func;
1784 void *opaque;
1785 } QEMUResetEntry;
1786
1787 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1788 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1789 static int reset_requested;
1790 static int shutdown_requested, shutdown_signal = -1;
1791 static pid_t shutdown_pid;
1792 static int powerdown_requested;
1793 static int debug_requested;
1794 static int suspend_requested;
1795 static int wakeup_requested;
1796 static NotifierList powerdown_notifiers =
1797 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1798 static NotifierList suspend_notifiers =
1799 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1800 static NotifierList wakeup_notifiers =
1801 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1802 static uint32_t wakeup_reason_mask = ~0;
1803 static RunState vmstop_requested = RUN_STATE_MAX;
1804
1805 int qemu_shutdown_requested_get(void)
1806 {
1807 return shutdown_requested;
1808 }
1809
1810 int qemu_reset_requested_get(void)
1811 {
1812 return reset_requested;
1813 }
1814
1815 static int qemu_shutdown_requested(void)
1816 {
1817 int r = shutdown_requested;
1818 shutdown_requested = 0;
1819 return r;
1820 }
1821
1822 static void qemu_kill_report(void)
1823 {
1824 if (!qtest_enabled() && shutdown_signal != -1) {
1825 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1826 if (shutdown_pid == 0) {
1827 /* This happens for eg ^C at the terminal, so it's worth
1828 * avoiding printing an odd message in that case.
1829 */
1830 fputc('\n', stderr);
1831 } else {
1832 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1833 }
1834 shutdown_signal = -1;
1835 }
1836 }
1837
1838 static int qemu_reset_requested(void)
1839 {
1840 int r = reset_requested;
1841 reset_requested = 0;
1842 return r;
1843 }
1844
1845 static int qemu_suspend_requested(void)
1846 {
1847 int r = suspend_requested;
1848 suspend_requested = 0;
1849 return r;
1850 }
1851
1852 static int qemu_wakeup_requested(void)
1853 {
1854 int r = wakeup_requested;
1855 wakeup_requested = 0;
1856 return r;
1857 }
1858
1859 static int qemu_powerdown_requested(void)
1860 {
1861 int r = powerdown_requested;
1862 powerdown_requested = 0;
1863 return r;
1864 }
1865
1866 static int qemu_debug_requested(void)
1867 {
1868 int r = debug_requested;
1869 debug_requested = 0;
1870 return r;
1871 }
1872
1873 /* We use RUN_STATE_MAX but any invalid value will do */
1874 static bool qemu_vmstop_requested(RunState *r)
1875 {
1876 if (vmstop_requested < RUN_STATE_MAX) {
1877 *r = vmstop_requested;
1878 vmstop_requested = RUN_STATE_MAX;
1879 return true;
1880 }
1881
1882 return false;
1883 }
1884
1885 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1886 {
1887 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1888
1889 re->func = func;
1890 re->opaque = opaque;
1891 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1892 }
1893
1894 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1895 {
1896 QEMUResetEntry *re;
1897
1898 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1899 if (re->func == func && re->opaque == opaque) {
1900 QTAILQ_REMOVE(&reset_handlers, re, entry);
1901 g_free(re);
1902 return;
1903 }
1904 }
1905 }
1906
1907 void qemu_devices_reset(void)
1908 {
1909 QEMUResetEntry *re, *nre;
1910
1911 /* reset all devices */
1912 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1913 re->func(re->opaque);
1914 }
1915 }
1916
1917 void qemu_system_reset(bool report)
1918 {
1919 if (current_machine && current_machine->reset) {
1920 current_machine->reset();
1921 } else {
1922 qemu_devices_reset();
1923 }
1924 if (report) {
1925 monitor_protocol_event(QEVENT_RESET, NULL);
1926 }
1927 cpu_synchronize_all_post_reset();
1928 }
1929
1930 void qemu_system_reset_request(void)
1931 {
1932 if (no_reboot) {
1933 shutdown_requested = 1;
1934 } else {
1935 reset_requested = 1;
1936 }
1937 cpu_stop_current();
1938 qemu_notify_event();
1939 }
1940
1941 static void qemu_system_suspend(void)
1942 {
1943 pause_all_vcpus();
1944 notifier_list_notify(&suspend_notifiers, NULL);
1945 runstate_set(RUN_STATE_SUSPENDED);
1946 monitor_protocol_event(QEVENT_SUSPEND, NULL);
1947 }
1948
1949 void qemu_system_suspend_request(void)
1950 {
1951 if (runstate_check(RUN_STATE_SUSPENDED)) {
1952 return;
1953 }
1954 suspend_requested = 1;
1955 cpu_stop_current();
1956 qemu_notify_event();
1957 }
1958
1959 void qemu_register_suspend_notifier(Notifier *notifier)
1960 {
1961 notifier_list_add(&suspend_notifiers, notifier);
1962 }
1963
1964 void qemu_system_wakeup_request(WakeupReason reason)
1965 {
1966 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1967 return;
1968 }
1969 if (!(wakeup_reason_mask & (1 << reason))) {
1970 return;
1971 }
1972 runstate_set(RUN_STATE_RUNNING);
1973 notifier_list_notify(&wakeup_notifiers, &reason);
1974 wakeup_requested = 1;
1975 qemu_notify_event();
1976 }
1977
1978 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1979 {
1980 if (enabled) {
1981 wakeup_reason_mask |= (1 << reason);
1982 } else {
1983 wakeup_reason_mask &= ~(1 << reason);
1984 }
1985 }
1986
1987 void qemu_register_wakeup_notifier(Notifier *notifier)
1988 {
1989 notifier_list_add(&wakeup_notifiers, notifier);
1990 }
1991
1992 void qemu_system_killed(int signal, pid_t pid)
1993 {
1994 shutdown_signal = signal;
1995 shutdown_pid = pid;
1996 no_shutdown = 0;
1997 qemu_system_shutdown_request();
1998 }
1999
2000 void qemu_system_shutdown_request(void)
2001 {
2002 shutdown_requested = 1;
2003 qemu_notify_event();
2004 }
2005
2006 static void qemu_system_powerdown(void)
2007 {
2008 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
2009 notifier_list_notify(&powerdown_notifiers, NULL);
2010 }
2011
2012 void qemu_system_powerdown_request(void)
2013 {
2014 powerdown_requested = 1;
2015 qemu_notify_event();
2016 }
2017
2018 void qemu_register_powerdown_notifier(Notifier *notifier)
2019 {
2020 notifier_list_add(&powerdown_notifiers, notifier);
2021 }
2022
2023 void qemu_system_debug_request(void)
2024 {
2025 debug_requested = 1;
2026 qemu_notify_event();
2027 }
2028
2029 void qemu_system_vmstop_request(RunState state)
2030 {
2031 vmstop_requested = state;
2032 qemu_notify_event();
2033 }
2034
2035 static bool main_loop_should_exit(void)
2036 {
2037 RunState r;
2038 if (qemu_debug_requested()) {
2039 vm_stop(RUN_STATE_DEBUG);
2040 }
2041 if (qemu_suspend_requested()) {
2042 qemu_system_suspend();
2043 }
2044 if (qemu_shutdown_requested()) {
2045 qemu_kill_report();
2046 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
2047 if (no_shutdown) {
2048 vm_stop(RUN_STATE_SHUTDOWN);
2049 } else {
2050 return true;
2051 }
2052 }
2053 if (qemu_reset_requested()) {
2054 pause_all_vcpus();
2055 cpu_synchronize_all_states();
2056 qemu_system_reset(VMRESET_REPORT);
2057 resume_all_vcpus();
2058 if (runstate_needs_reset()) {
2059 runstate_set(RUN_STATE_PAUSED);
2060 }
2061 }
2062 if (qemu_wakeup_requested()) {
2063 pause_all_vcpus();
2064 cpu_synchronize_all_states();
2065 qemu_system_reset(VMRESET_SILENT);
2066 resume_all_vcpus();
2067 monitor_protocol_event(QEVENT_WAKEUP, NULL);
2068 }
2069 if (qemu_powerdown_requested()) {
2070 qemu_system_powerdown();
2071 }
2072 if (qemu_vmstop_requested(&r)) {
2073 vm_stop(r);
2074 }
2075 return false;
2076 }
2077
2078 static void main_loop(void)
2079 {
2080 bool nonblocking;
2081 int last_io = 0;
2082 #ifdef CONFIG_PROFILER
2083 int64_t ti;
2084 #endif
2085 do {
2086 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
2087 #ifdef CONFIG_PROFILER
2088 ti = profile_getclock();
2089 #endif
2090 last_io = main_loop_wait(nonblocking);
2091 #ifdef CONFIG_PROFILER
2092 dev_time += profile_getclock() - ti;
2093 #endif
2094 } while (!main_loop_should_exit());
2095 }
2096
2097 static void version(void)
2098 {
2099 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
2100 }
2101
2102 static void help(int exitcode)
2103 {
2104 version();
2105 printf("usage: %s [options] [disk_image]\n\n"
2106 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2107 error_get_progname());
2108
2109 #define QEMU_OPTIONS_GENERATE_HELP
2110 #include "qemu-options-wrapper.h"
2111
2112 printf("\nDuring emulation, the following keys are useful:\n"
2113 "ctrl-alt-f toggle full screen\n"
2114 "ctrl-alt-n switch to virtual console 'n'\n"
2115 "ctrl-alt toggle mouse and keyboard grab\n"
2116 "\n"
2117 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2118
2119 exit(exitcode);
2120 }
2121
2122 #define HAS_ARG 0x0001
2123
2124 typedef struct QEMUOption {
2125 const char *name;
2126 int flags;
2127 int index;
2128 uint32_t arch_mask;
2129 } QEMUOption;
2130
2131 static const QEMUOption qemu_options[] = {
2132 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2133 #define QEMU_OPTIONS_GENERATE_OPTIONS
2134 #include "qemu-options-wrapper.h"
2135 { NULL },
2136 };
2137
2138 static bool vga_available(void)
2139 {
2140 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2141 }
2142
2143 static bool cirrus_vga_available(void)
2144 {
2145 return object_class_by_name("cirrus-vga")
2146 || object_class_by_name("isa-cirrus-vga");
2147 }
2148
2149 static bool vmware_vga_available(void)
2150 {
2151 return object_class_by_name("vmware-svga");
2152 }
2153
2154 static bool qxl_vga_available(void)
2155 {
2156 return object_class_by_name("qxl-vga");
2157 }
2158
2159 static void select_vgahw (const char *p)
2160 {
2161 const char *opts;
2162
2163 vga_interface_type = VGA_NONE;
2164 if (strstart(p, "std", &opts)) {
2165 if (vga_available()) {
2166 vga_interface_type = VGA_STD;
2167 } else {
2168 fprintf(stderr, "Error: standard VGA not available\n");
2169 exit(0);
2170 }
2171 } else if (strstart(p, "cirrus", &opts)) {
2172 if (cirrus_vga_available()) {
2173 vga_interface_type = VGA_CIRRUS;
2174 } else {
2175 fprintf(stderr, "Error: Cirrus VGA not available\n");
2176 exit(0);
2177 }
2178 } else if (strstart(p, "vmware", &opts)) {
2179 if (vmware_vga_available()) {
2180 vga_interface_type = VGA_VMWARE;
2181 } else {
2182 fprintf(stderr, "Error: VMWare SVGA not available\n");
2183 exit(0);
2184 }
2185 } else if (strstart(p, "xenfb", &opts)) {
2186 vga_interface_type = VGA_XENFB;
2187 } else if (strstart(p, "qxl", &opts)) {
2188 if (qxl_vga_available()) {
2189 vga_interface_type = VGA_QXL;
2190 } else {
2191 fprintf(stderr, "Error: QXL VGA not available\n");
2192 exit(0);
2193 }
2194 } else if (!strstart(p, "none", &opts)) {
2195 invalid_vga:
2196 fprintf(stderr, "Unknown vga type: %s\n", p);
2197 exit(1);
2198 }
2199 while (*opts) {
2200 const char *nextopt;
2201
2202 if (strstart(opts, ",retrace=", &nextopt)) {
2203 opts = nextopt;
2204 if (strstart(opts, "dumb", &nextopt))
2205 vga_retrace_method = VGA_RETRACE_DUMB;
2206 else if (strstart(opts, "precise", &nextopt))
2207 vga_retrace_method = VGA_RETRACE_PRECISE;
2208 else goto invalid_vga;
2209 } else goto invalid_vga;
2210 opts = nextopt;
2211 }
2212 }
2213
2214 static DisplayType select_display(const char *p)
2215 {
2216 const char *opts;
2217 DisplayType display = DT_DEFAULT;
2218
2219 if (strstart(p, "sdl", &opts)) {
2220 #ifdef CONFIG_SDL
2221 display = DT_SDL;
2222 while (*opts) {
2223 const char *nextopt;
2224
2225 if (strstart(opts, ",frame=", &nextopt)) {
2226 opts = nextopt;
2227 if (strstart(opts, "on", &nextopt)) {
2228 no_frame = 0;
2229 } else if (strstart(opts, "off", &nextopt)) {
2230 no_frame = 1;
2231 } else {
2232 goto invalid_sdl_args;
2233 }
2234 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2235 opts = nextopt;
2236 if (strstart(opts, "on", &nextopt)) {
2237 alt_grab = 1;
2238 } else if (strstart(opts, "off", &nextopt)) {
2239 alt_grab = 0;
2240 } else {
2241 goto invalid_sdl_args;
2242 }
2243 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2244 opts = nextopt;
2245 if (strstart(opts, "on", &nextopt)) {
2246 ctrl_grab = 1;
2247 } else if (strstart(opts, "off", &nextopt)) {
2248 ctrl_grab = 0;
2249 } else {
2250 goto invalid_sdl_args;
2251 }
2252 } else if (strstart(opts, ",window_close=", &nextopt)) {
2253 opts = nextopt;
2254 if (strstart(opts, "on", &nextopt)) {
2255 no_quit = 0;
2256 } else if (strstart(opts, "off", &nextopt)) {
2257 no_quit = 1;
2258 } else {
2259 goto invalid_sdl_args;
2260 }
2261 } else {
2262 invalid_sdl_args:
2263 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2264 exit(1);
2265 }
2266 opts = nextopt;
2267 }
2268 #else
2269 fprintf(stderr, "SDL support is disabled\n");
2270 exit(1);
2271 #endif
2272 } else if (strstart(p, "vnc", &opts)) {
2273 #ifdef CONFIG_VNC
2274 display_remote++;
2275
2276 if (*opts) {
2277 const char *nextopt;
2278
2279 if (strstart(opts, "=", &nextopt)) {
2280 vnc_display = nextopt;
2281 }
2282 }
2283 if (!vnc_display) {
2284 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2285 exit(1);
2286 }
2287 #else
2288 fprintf(stderr, "VNC support is disabled\n");
2289 exit(1);
2290 #endif
2291 } else if (strstart(p, "curses", &opts)) {
2292 #ifdef CONFIG_CURSES
2293 display = DT_CURSES;
2294 #else
2295 fprintf(stderr, "Curses support is disabled\n");
2296 exit(1);
2297 #endif
2298 } else if (strstart(p, "gtk", &opts)) {
2299 #ifdef CONFIG_GTK
2300 display = DT_GTK;
2301 #else
2302 fprintf(stderr, "GTK support is disabled\n");
2303 exit(1);
2304 #endif
2305 } else if (strstart(p, "none", &opts)) {
2306 display = DT_NONE;
2307 } else {
2308 fprintf(stderr, "Unknown display type: %s\n", p);
2309 exit(1);
2310 }
2311
2312 return display;
2313 }
2314
2315 static int balloon_parse(const char *arg)
2316 {
2317 QemuOpts *opts;
2318
2319 if (strcmp(arg, "none") == 0) {
2320 return 0;
2321 }
2322
2323 if (!strncmp(arg, "virtio", 6)) {
2324 if (arg[6] == ',') {
2325 /* have params -> parse them */
2326 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2327 if (!opts)
2328 return -1;
2329 } else {
2330 /* create empty opts */
2331 opts = qemu_opts_create_nofail(qemu_find_opts("device"));
2332 }
2333 qemu_opt_set(opts, "driver", "virtio-balloon");
2334 return 0;
2335 }
2336
2337 return -1;
2338 }
2339
2340 char *qemu_find_file(int type, const char *name)
2341 {
2342 int i;
2343 const char *subdir;
2344 char *buf;
2345
2346 /* Try the name as a straight path first */
2347 if (access(name, R_OK) == 0) {
2348 trace_load_file(name, name);
2349 return g_strdup(name);
2350 }
2351
2352 switch (type) {
2353 case QEMU_FILE_TYPE_BIOS:
2354 subdir = "";
2355 break;
2356 case QEMU_FILE_TYPE_KEYMAP:
2357 subdir = "keymaps/";
2358 break;
2359 default:
2360 abort();
2361 }
2362
2363 for (i = 0; i < data_dir_idx; i++) {
2364 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2365 if (access(buf, R_OK) == 0) {
2366 trace_load_file(name, buf);
2367 return buf;
2368 }
2369 g_free(buf);
2370 }
2371 return NULL;
2372 }
2373
2374 static int device_help_func(QemuOpts *opts, void *opaque)
2375 {
2376 return qdev_device_help(opts);
2377 }
2378
2379 static int device_init_func(QemuOpts *opts, void *opaque)
2380 {
2381 DeviceState *dev;
2382
2383 dev = qdev_device_add(opts);
2384 if (!dev)
2385 return -1;
2386 object_unref(OBJECT(dev));
2387 return 0;
2388 }
2389
2390 static int chardev_init_func(QemuOpts *opts, void *opaque)
2391 {
2392 Error *local_err = NULL;
2393
2394 qemu_chr_new_from_opts(opts, NULL, &local_err);
2395 if (error_is_set(&local_err)) {
2396 error_report("%s", error_get_pretty(local_err));
2397 error_free(local_err);
2398 return -1;
2399 }
2400 return 0;
2401 }
2402
2403 #ifdef CONFIG_VIRTFS
2404 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2405 {
2406 int ret;
2407 ret = qemu_fsdev_add(opts);
2408
2409 return ret;
2410 }
2411 #endif
2412
2413 static int mon_init_func(QemuOpts *opts, void *opaque)
2414 {
2415 CharDriverState *chr;
2416 const char *chardev;
2417 const char *mode;
2418 int flags;
2419
2420 mode = qemu_opt_get(opts, "mode");
2421 if (mode == NULL) {
2422 mode = "readline";
2423 }
2424 if (strcmp(mode, "readline") == 0) {
2425 flags = MONITOR_USE_READLINE;
2426 } else if (strcmp(mode, "control") == 0) {
2427 flags = MONITOR_USE_CONTROL;
2428 } else {
2429 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2430 exit(1);
2431 }
2432
2433 if (qemu_opt_get_bool(opts, "pretty", 0))
2434 flags |= MONITOR_USE_PRETTY;
2435
2436 if (qemu_opt_get_bool(opts, "default", 0))
2437 flags |= MONITOR_IS_DEFAULT;
2438
2439 chardev = qemu_opt_get(opts, "chardev");
2440 chr = qemu_chr_find(chardev);
2441 if (chr == NULL) {
2442 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2443 exit(1);
2444 }
2445
2446 qemu_chr_fe_claim_no_fail(chr);
2447 monitor_init(chr, flags);
2448 return 0;
2449 }
2450
2451 static void monitor_parse(const char *optarg, const char *mode)
2452 {
2453 static int monitor_device_index = 0;
2454 QemuOpts *opts;
2455 const char *p;
2456 char label[32];
2457 int def = 0;
2458
2459 if (strstart(optarg, "chardev:", &p)) {
2460 snprintf(label, sizeof(label), "%s", p);
2461 } else {
2462 snprintf(label, sizeof(label), "compat_monitor%d",
2463 monitor_device_index);
2464 if (monitor_device_index == 0) {
2465 def = 1;
2466 }
2467 opts = qemu_chr_parse_compat(label, optarg);
2468 if (!opts) {
2469 fprintf(stderr, "parse error: %s\n", optarg);
2470 exit(1);
2471 }
2472 }
2473
2474 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2475 if (!opts) {
2476 fprintf(stderr, "duplicate chardev: %s\n", label);
2477 exit(1);
2478 }
2479 qemu_opt_set(opts, "mode", mode);
2480 qemu_opt_set(opts, "chardev", label);
2481 if (def)
2482 qemu_opt_set(opts, "default", "on");
2483 monitor_device_index++;
2484 }
2485
2486 struct device_config {
2487 enum {
2488 DEV_USB, /* -usbdevice */
2489 DEV_BT, /* -bt */
2490 DEV_SERIAL, /* -serial */
2491 DEV_PARALLEL, /* -parallel */
2492 DEV_VIRTCON, /* -virtioconsole */
2493 DEV_DEBUGCON, /* -debugcon */
2494 DEV_GDB, /* -gdb, -s */
2495 DEV_SCLP, /* s390 sclp */
2496 } type;
2497 const char *cmdline;
2498 Location loc;
2499 QTAILQ_ENTRY(device_config) next;
2500 };
2501
2502 static QTAILQ_HEAD(, device_config) device_configs =
2503 QTAILQ_HEAD_INITIALIZER(device_configs);
2504
2505 static void add_device_config(int type, const char *cmdline)
2506 {
2507 struct device_config *conf;
2508
2509 conf = g_malloc0(sizeof(*conf));
2510 conf->type = type;
2511 conf->cmdline = cmdline;
2512 loc_save(&conf->loc);
2513 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2514 }
2515
2516 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2517 {
2518 struct device_config *conf;
2519 int rc;
2520
2521 QTAILQ_FOREACH(conf, &device_configs, next) {
2522 if (conf->type != type)
2523 continue;
2524 loc_push_restore(&conf->loc);
2525 rc = func(conf->cmdline);
2526 loc_pop(&conf->loc);
2527 if (0 != rc)
2528 return rc;
2529 }
2530 return 0;
2531 }
2532
2533 static int serial_parse(const char *devname)
2534 {
2535 static int index = 0;
2536 char label[32];
2537
2538 if (strcmp(devname, "none") == 0)
2539 return 0;
2540 if (index == MAX_SERIAL_PORTS) {
2541 fprintf(stderr, "qemu: too many serial ports\n");
2542 exit(1);
2543 }
2544 snprintf(label, sizeof(label), "serial%d", index);
2545 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2546 if (!serial_hds[index]) {
2547 fprintf(stderr, "qemu: could not connect serial device"
2548 " to character backend '%s'\n", devname);
2549 return -1;
2550 }
2551 index++;
2552 return 0;
2553 }
2554
2555 static int parallel_parse(const char *devname)
2556 {
2557 static int index = 0;
2558 char label[32];
2559
2560 if (strcmp(devname, "none") == 0)
2561 return 0;
2562 if (index == MAX_PARALLEL_PORTS) {
2563 fprintf(stderr, "qemu: too many parallel ports\n");
2564 exit(1);
2565 }
2566 snprintf(label, sizeof(label), "parallel%d", index);
2567 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2568 if (!parallel_hds[index]) {
2569 fprintf(stderr, "qemu: could not connect parallel device"
2570 " to character backend '%s'\n", devname);
2571 return -1;
2572 }
2573 index++;
2574 return 0;
2575 }
2576
2577 static int virtcon_parse(const char *devname)
2578 {
2579 QemuOptsList *device = qemu_find_opts("device");
2580 static int index = 0;
2581 char label[32];
2582 QemuOpts *bus_opts, *dev_opts;
2583
2584 if (strcmp(devname, "none") == 0)
2585 return 0;
2586 if (index == MAX_VIRTIO_CONSOLES) {
2587 fprintf(stderr, "qemu: too many virtio consoles\n");
2588 exit(1);
2589 }
2590
2591 bus_opts = qemu_opts_create_nofail(device);
2592 if (arch_type == QEMU_ARCH_S390X) {
2593 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2594 } else {
2595 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2596 }
2597
2598 dev_opts = qemu_opts_create_nofail(device);
2599 qemu_opt_set(dev_opts, "driver", "virtconsole");
2600
2601 snprintf(label, sizeof(label), "virtcon%d", index);
2602 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2603 if (!virtcon_hds[index]) {
2604 fprintf(stderr, "qemu: could not connect virtio console"
2605 " to character backend '%s'\n", devname);
2606 return -1;
2607 }
2608 qemu_opt_set(dev_opts, "chardev", label);
2609
2610 index++;
2611 return 0;
2612 }
2613
2614 static int sclp_parse(const char *devname)
2615 {
2616 QemuOptsList *device = qemu_find_opts("device");
2617 static int index = 0;
2618 char label[32];
2619 QemuOpts *dev_opts;
2620
2621 if (strcmp(devname, "none") == 0) {
2622 return 0;
2623 }
2624 if (index == MAX_SCLP_CONSOLES) {
2625 fprintf(stderr, "qemu: too many sclp consoles\n");
2626 exit(1);
2627 }
2628
2629 assert(arch_type == QEMU_ARCH_S390X);
2630
2631 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2632 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2633
2634 snprintf(label, sizeof(label), "sclpcon%d", index);
2635 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2636 if (!sclp_hds[index]) {
2637 fprintf(stderr, "qemu: could not connect sclp console"
2638 " to character backend '%s'\n", devname);
2639 return -1;
2640 }
2641 qemu_opt_set(dev_opts, "chardev", label);
2642
2643 index++;
2644 return 0;
2645 }
2646
2647 static int debugcon_parse(const char *devname)
2648 {
2649 QemuOpts *opts;
2650
2651 if (!qemu_chr_new("debugcon", devname, NULL)) {
2652 exit(1);
2653 }
2654 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2655 if (!opts) {
2656 fprintf(stderr, "qemu: already have a debugcon device\n");
2657 exit(1);
2658 }
2659 qemu_opt_set(opts, "driver", "isa-debugcon");
2660 qemu_opt_set(opts, "chardev", "debugcon");
2661 return 0;
2662 }
2663
2664 static QEMUMachine *machine_parse(const char *name)
2665 {
2666 QEMUMachine *m, *machine = NULL;
2667
2668 if (name) {
2669 machine = find_machine(name);
2670 }
2671 if (machine) {
2672 return machine;
2673 }
2674 printf("Supported machines are:\n");
2675 for (m = first_machine; m != NULL; m = m->next) {
2676 if (m->alias) {
2677 printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2678 }
2679 printf("%-20s %s%s\n", m->name, m->desc,
2680 m->is_default ? " (default)" : "");
2681 }
2682 exit(!name || !is_help_option(name));
2683 }
2684
2685 static int tcg_init(void)
2686 {
2687 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2688 return 0;
2689 }
2690
2691 static struct {
2692 const char *opt_name;
2693 const char *name;
2694 int (*available)(void);
2695 int (*init)(void);
2696 bool *allowed;
2697 } accel_list[] = {
2698 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2699 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2700 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2701 { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2702 };
2703
2704 static int configure_accelerator(void)
2705 {
2706 const char *p;
2707 char buf[10];
2708 int i, ret;
2709 bool accel_initialised = false;
2710 bool init_failed = false;
2711
2712 p = qemu_opt_get(qemu_get_machine_opts(), "accel");
2713 if (p == NULL) {
2714 /* Use the default "accelerator", tcg */
2715 p = "tcg";
2716 }
2717
2718 while (!accel_initialised && *p != '\0') {
2719 if (*p == ':') {
2720 p++;
2721 }
2722 p = get_opt_name(buf, sizeof (buf), p, ':');
2723 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2724 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2725 if (!accel_list[i].available()) {
2726 printf("%s not supported for this target\n",
2727 accel_list[i].name);
2728 continue;
2729 }
2730 *(accel_list[i].allowed) = true;
2731 ret = accel_list[i].init();
2732 if (ret < 0) {
2733 init_failed = true;
2734 fprintf(stderr, "failed to initialize %s: %s\n",
2735 accel_list[i].name,
2736 strerror(-ret));
2737 *(accel_list[i].allowed) = false;
2738 } else {
2739 accel_initialised = true;
2740 }
2741 break;
2742 }
2743 }
2744 if (i == ARRAY_SIZE(accel_list)) {
2745 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2746 }
2747 }
2748
2749 if (!accel_initialised) {
2750 if (!init_failed) {
2751 fprintf(stderr, "No accelerator found!\n");
2752 }
2753 exit(1);
2754 }
2755
2756 if (init_failed) {
2757 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2758 }
2759
2760 return !accel_initialised;
2761 }
2762
2763 void qemu_add_exit_notifier(Notifier *notify)
2764 {
2765 notifier_list_add(&exit_notifiers, notify);
2766 }
2767
2768 void qemu_remove_exit_notifier(Notifier *notify)
2769 {
2770 notifier_remove(notify);
2771 }
2772
2773 static void qemu_run_exit_notifiers(void)
2774 {
2775 notifier_list_notify(&exit_notifiers, NULL);
2776 }
2777
2778 void qemu_add_machine_init_done_notifier(Notifier *notify)
2779 {
2780 notifier_list_add(&machine_init_done_notifiers, notify);
2781 }
2782
2783 static void qemu_run_machine_init_done_notifiers(void)
2784 {
2785 notifier_list_notify(&machine_init_done_notifiers, NULL);
2786 }
2787
2788 static const QEMUOption *lookup_opt(int argc, char **argv,
2789 const char **poptarg, int *poptind)
2790 {
2791 const QEMUOption *popt;
2792 int optind = *poptind;
2793 char *r = argv[optind];
2794 const char *optarg;
2795
2796 loc_set_cmdline(argv, optind, 1);
2797 optind++;
2798 /* Treat --foo the same as -foo. */
2799 if (r[1] == '-')
2800 r++;
2801 popt = qemu_options;
2802 for(;;) {
2803 if (!popt->name) {
2804 error_report("invalid option");
2805 exit(1);
2806 }
2807 if (!strcmp(popt->name, r + 1))
2808 break;
2809 popt++;
2810 }
2811 if (popt->flags & HAS_ARG) {
2812 if (optind >= argc) {
2813 error_report("requires an argument");
2814 exit(1);
2815 }
2816 optarg = argv[optind++];
2817 loc_set_cmdline(argv, optind - 2, 2);
2818 } else {
2819 optarg = NULL;
2820 }
2821
2822 *poptarg = optarg;
2823 *poptind = optind;
2824
2825 return popt;
2826 }
2827
2828 static gpointer malloc_and_trace(gsize n_bytes)
2829 {
2830 void *ptr = malloc(n_bytes);
2831 trace_g_malloc(n_bytes, ptr);
2832 return ptr;
2833 }
2834
2835 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2836 {
2837 void *ptr = realloc(mem, n_bytes);
2838 trace_g_realloc(mem, n_bytes, ptr);
2839 return ptr;
2840 }
2841
2842 static void free_and_trace(gpointer mem)
2843 {
2844 trace_g_free(mem);
2845 free(mem);
2846 }
2847
2848 static int object_set_property(const char *name, const char *value, void *opaque)
2849 {
2850 Object *obj = OBJECT(opaque);
2851 StringInputVisitor *siv;
2852 Error *local_err = NULL;
2853
2854 if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0) {
2855 return 0;
2856 }
2857
2858 siv = string_input_visitor_new(value);
2859 object_property_set(obj, string_input_get_visitor(siv), name, &local_err);
2860 string_input_visitor_cleanup(siv);
2861
2862 if (local_err) {
2863 qerror_report_err(local_err);
2864 error_free(local_err);
2865 return -1;
2866 }
2867
2868 return 0;
2869 }
2870
2871 static int object_create(QemuOpts *opts, void *opaque)
2872 {
2873 const char *type = qemu_opt_get(opts, "qom-type");
2874 const char *id = qemu_opts_id(opts);
2875 Object *obj;
2876
2877 g_assert(type != NULL);
2878
2879 if (id == NULL) {
2880 qerror_report(QERR_MISSING_PARAMETER, "id");
2881 return -1;
2882 }
2883
2884 obj = object_new(type);
2885 if (qemu_opt_foreach(opts, object_set_property, obj, 1) < 0) {
2886 return -1;
2887 }
2888
2889 object_property_add_child(container_get(object_get_root(), "/objects"),
2890 id, obj, NULL);
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 = NULL;
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 QEMUMachine *machine;
2911 const char *cpu_model;
2912 const char *vga_model = "none";
2913 const char *pid_file = NULL;
2914 const char *incoming = NULL;
2915 #ifdef CONFIG_VNC
2916 int show_vnc_port = 0;
2917 #endif
2918 bool defconfig = true;
2919 bool userconfig = true;
2920 const char *log_mask = NULL;
2921 const char *log_file = NULL;
2922 GMemVTable mem_trace = {
2923 .malloc = malloc_and_trace,
2924 .realloc = realloc_and_trace,
2925 .free = free_and_trace,
2926 };
2927 const char *trace_events = NULL;
2928 const char *trace_file = NULL;
2929
2930 atexit(qemu_run_exit_notifiers);
2931 error_set_progname(argv[0]);
2932
2933 g_mem_set_vtable(&mem_trace);
2934 if (!g_thread_supported()) {
2935 #if !GLIB_CHECK_VERSION(2, 31, 0)
2936 g_thread_init(NULL);
2937 #else
2938 fprintf(stderr, "glib threading failed to initialize.\n");
2939 exit(1);
2940 #endif
2941 }
2942
2943 module_call_init(MODULE_INIT_QOM);
2944
2945 qemu_add_opts(&qemu_drive_opts);
2946 qemu_add_opts(&qemu_chardev_opts);
2947 qemu_add_opts(&qemu_device_opts);
2948 qemu_add_opts(&qemu_netdev_opts);
2949 qemu_add_opts(&qemu_net_opts);
2950 qemu_add_opts(&qemu_rtc_opts);
2951 qemu_add_opts(&qemu_global_opts);
2952 qemu_add_opts(&qemu_mon_opts);
2953 qemu_add_opts(&qemu_trace_opts);
2954 qemu_add_opts(&qemu_option_rom_opts);
2955 qemu_add_opts(&qemu_machine_opts);
2956 qemu_add_opts(&qemu_smp_opts);
2957 qemu_add_opts(&qemu_boot_opts);
2958 qemu_add_opts(&qemu_sandbox_opts);
2959 qemu_add_opts(&qemu_add_fd_opts);
2960 qemu_add_opts(&qemu_object_opts);
2961 qemu_add_opts(&qemu_tpmdev_opts);
2962 qemu_add_opts(&qemu_realtime_opts);
2963 qemu_add_opts(&qemu_msg_opts);
2964
2965 runstate_init();
2966
2967 init_clocks();
2968 rtc_clock = QEMU_CLOCK_HOST;
2969
2970 qemu_cache_utils_init(envp);
2971
2972 QLIST_INIT (&vm_change_state_head);
2973 os_setup_early_signal_handling();
2974
2975 module_call_init(MODULE_INIT_MACHINE);
2976 machine = find_default_machine();
2977 cpu_model = NULL;
2978 ram_size = 0;
2979 snapshot = 0;
2980 cyls = heads = secs = 0;
2981 translation = BIOS_ATA_TRANSLATION_AUTO;
2982
2983 for (i = 0; i < MAX_NODES; i++) {
2984 node_mem[i] = 0;
2985 node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2986 }
2987
2988 nb_numa_nodes = 0;
2989 nb_nics = 0;
2990
2991 bdrv_init_with_whitelist();
2992
2993 autostart= 1;
2994
2995 /* first pass of option parsing */
2996 optind = 1;
2997 while (optind < argc) {
2998 if (argv[optind][0] != '-') {
2999 /* disk image */
3000 optind++;
3001 continue;
3002 } else {
3003 const QEMUOption *popt;
3004
3005 popt = lookup_opt(argc, argv, &optarg, &optind);
3006 switch (popt->index) {
3007 case QEMU_OPTION_nodefconfig:
3008 defconfig = false;
3009 break;
3010 case QEMU_OPTION_nouserconfig:
3011 userconfig = false;
3012 break;
3013 }
3014 }
3015 }
3016
3017 if (defconfig) {
3018 int ret;
3019 ret = qemu_read_default_config_files(userconfig);
3020 if (ret < 0) {
3021 exit(1);
3022 }
3023 }
3024
3025 /* second pass of option parsing */
3026 optind = 1;
3027 for(;;) {
3028 if (optind >= argc)
3029 break;
3030 if (argv[optind][0] != '-') {
3031 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3032 } else {
3033 const QEMUOption *popt;
3034
3035 popt = lookup_opt(argc, argv, &optarg, &optind);
3036 if (!(popt->arch_mask & arch_type)) {
3037 printf("Option %s not supported for this target\n", popt->name);
3038 exit(1);
3039 }
3040 switch(popt->index) {
3041 case QEMU_OPTION_M:
3042 machine = machine_parse(optarg);
3043 break;
3044 case QEMU_OPTION_no_kvm_irqchip: {
3045 olist = qemu_find_opts("machine");
3046 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
3047 break;
3048 }
3049 case QEMU_OPTION_cpu:
3050 /* hw initialization will check this */
3051 cpu_model = optarg;
3052 break;
3053 case QEMU_OPTION_hda:
3054 {
3055 char buf[256];
3056 if (cyls == 0)
3057 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3058 else
3059 snprintf(buf, sizeof(buf),
3060 "%s,cyls=%d,heads=%d,secs=%d%s",
3061 HD_OPTS , cyls, heads, secs,
3062 translation == BIOS_ATA_TRANSLATION_LBA ?
3063 ",trans=lba" :
3064 translation == BIOS_ATA_TRANSLATION_NONE ?
3065 ",trans=none" : "");
3066 drive_add(IF_DEFAULT, 0, optarg, buf);
3067 break;
3068 }
3069 case QEMU_OPTION_hdb:
3070 case QEMU_OPTION_hdc:
3071 case QEMU_OPTION_hdd:
3072 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3073 HD_OPTS);
3074 break;
3075 case QEMU_OPTION_drive:
3076 if (drive_def(optarg) == NULL) {
3077 exit(1);
3078 }
3079 break;
3080 case QEMU_OPTION_set:
3081 if (qemu_set_option(optarg) != 0)
3082 exit(1);
3083 break;
3084 case QEMU_OPTION_global:
3085 if (qemu_global_option(optarg) != 0)
3086 exit(1);
3087 break;
3088 case QEMU_OPTION_mtdblock:
3089 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3090 break;
3091 case QEMU_OPTION_sd:
3092 drive_add(IF_SD, -1, optarg, SD_OPTS);
3093 break;
3094 case QEMU_OPTION_pflash:
3095 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3096 break;
3097 case QEMU_OPTION_snapshot:
3098 snapshot = 1;
3099 break;
3100 case QEMU_OPTION_hdachs:
3101 {
3102 const char *p;
3103 p = optarg;
3104 cyls = strtol(p, (char **)&p, 0);
3105 if (cyls < 1 || cyls > 16383)
3106 goto chs_fail;
3107 if (*p != ',')
3108 goto chs_fail;
3109 p++;
3110 heads = strtol(p, (char **)&p, 0);
3111 if (heads < 1 || heads > 16)
3112 goto chs_fail;
3113 if (*p != ',')
3114 goto chs_fail;
3115 p++;
3116 secs = strtol(p, (char **)&p, 0);
3117 if (secs < 1 || secs > 63)
3118 goto chs_fail;
3119 if (*p == ',') {
3120 p++;
3121 if (!strcmp(p, "none"))
3122 translation = BIOS_ATA_TRANSLATION_NONE;
3123 else if (!strcmp(p, "lba"))
3124 translation = BIOS_ATA_TRANSLATION_LBA;
3125 else if (!strcmp(p, "auto"))
3126 translation = BIOS_ATA_TRANSLATION_AUTO;
3127 else
3128 goto chs_fail;
3129 } else if (*p != '\0') {
3130 chs_fail:
3131 fprintf(stderr, "qemu: invalid physical CHS format\n");
3132 exit(1);
3133 }
3134 if (hda_opts != NULL) {
3135 char num[16];
3136 snprintf(num, sizeof(num), "%d", cyls);
3137 qemu_opt_set(hda_opts, "cyls", num);
3138 snprintf(num, sizeof(num), "%d", heads);
3139 qemu_opt_set(hda_opts, "heads", num);
3140 snprintf(num, sizeof(num), "%d", secs);
3141 qemu_opt_set(hda_opts, "secs", num);
3142 if (translation == BIOS_ATA_TRANSLATION_LBA)
3143 qemu_opt_set(hda_opts, "trans", "lba");
3144 if (translation == BIOS_ATA_TRANSLATION_NONE)
3145 qemu_opt_set(hda_opts, "trans", "none");
3146 }
3147 }
3148 break;
3149 case QEMU_OPTION_numa:
3150 numa_add(optarg);
3151 break;
3152 case QEMU_OPTION_display:
3153 display_type = select_display(optarg);
3154 break;
3155 case QEMU_OPTION_nographic:
3156 display_type = DT_NOGRAPHIC;
3157 break;
3158 case QEMU_OPTION_curses:
3159 #ifdef CONFIG_CURSES
3160 display_type = DT_CURSES;
3161 #else
3162 fprintf(stderr, "Curses support is disabled\n");
3163 exit(1);
3164 #endif
3165 break;
3166 case QEMU_OPTION_portrait:
3167 graphic_rotate = 90;
3168 break;
3169 case QEMU_OPTION_rotate:
3170 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3171 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3172 graphic_rotate != 180 && graphic_rotate != 270) {
3173 fprintf(stderr,
3174 "qemu: only 90, 180, 270 deg rotation is available\n");
3175 exit(1);
3176 }
3177 break;
3178 case QEMU_OPTION_kernel:
3179 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3180 break;
3181 case QEMU_OPTION_initrd:
3182 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3183 break;
3184 case QEMU_OPTION_append:
3185 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3186 break;
3187 case QEMU_OPTION_dtb:
3188 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3189 break;
3190 case QEMU_OPTION_cdrom:
3191 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3192 break;
3193 case QEMU_OPTION_boot:
3194 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3195 if (!opts) {
3196 exit(1);
3197 }
3198 break;
3199 case QEMU_OPTION_fda:
3200 case QEMU_OPTION_fdb:
3201 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3202 optarg, FD_OPTS);
3203 break;
3204 case QEMU_OPTION_no_fd_bootchk:
3205 fd_bootchk = 0;
3206 break;
3207 case QEMU_OPTION_netdev:
3208 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3209 exit(1);
3210 }
3211 break;
3212 case QEMU_OPTION_net:
3213 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3214 exit(1);
3215 }
3216 break;
3217 #ifdef CONFIG_LIBISCSI
3218 case QEMU_OPTION_iscsi:
3219 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3220 if (!opts) {
3221 exit(1);
3222 }
3223 break;
3224 #endif
3225 #ifdef CONFIG_SLIRP
3226 case QEMU_OPTION_tftp:
3227 legacy_tftp_prefix = optarg;
3228 break;
3229 case QEMU_OPTION_bootp:
3230 legacy_bootp_filename = optarg;
3231 break;
3232 case QEMU_OPTION_redir:
3233 if (net_slirp_redir(optarg) < 0)
3234 exit(1);
3235 break;
3236 #endif
3237 case QEMU_OPTION_bt:
3238 add_device_config(DEV_BT, optarg);
3239 break;
3240 case QEMU_OPTION_audio_help:
3241 AUD_help ();
3242 exit (0);
3243 break;
3244 case QEMU_OPTION_soundhw:
3245 select_soundhw (optarg);
3246 break;
3247 case QEMU_OPTION_h:
3248 help(0);
3249 break;
3250 case QEMU_OPTION_version:
3251 version();
3252 exit(0);
3253 break;
3254 case QEMU_OPTION_m: {
3255 int64_t value;
3256 uint64_t sz;
3257 char *end;
3258
3259 value = strtosz(optarg, &end);
3260 if (value < 0 || *end) {
3261 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
3262 exit(1);
3263 }
3264 sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
3265 ram_size = sz;
3266 if (ram_size != sz) {
3267 fprintf(stderr, "qemu: ram size too large\n");
3268 exit(1);
3269 }
3270 break;
3271 }
3272 #ifdef CONFIG_TPM
3273 case QEMU_OPTION_tpmdev:
3274 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3275 exit(1);
3276 }
3277 break;
3278 #endif
3279 case QEMU_OPTION_mempath:
3280 mem_path = optarg;
3281 break;
3282 #ifdef MAP_POPULATE
3283 case QEMU_OPTION_mem_prealloc:
3284 mem_prealloc = 1;
3285 break;
3286 #endif
3287 case QEMU_OPTION_d:
3288 log_mask = optarg;
3289 break;
3290 case QEMU_OPTION_D:
3291 log_file = optarg;
3292 break;
3293 case QEMU_OPTION_s:
3294 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3295 break;
3296 case QEMU_OPTION_gdb:
3297 add_device_config(DEV_GDB, optarg);
3298 break;
3299 case QEMU_OPTION_L:
3300 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3301 data_dir[data_dir_idx++] = optarg;
3302 }
3303 break;
3304 case QEMU_OPTION_bios:
3305 bios_name = optarg;
3306 break;
3307 case QEMU_OPTION_singlestep:
3308 singlestep = 1;
3309 break;
3310 case QEMU_OPTION_S:
3311 autostart = 0;
3312 break;
3313 case QEMU_OPTION_k:
3314 keyboard_layout = optarg;
3315 break;
3316 case QEMU_OPTION_localtime:
3317 rtc_utc = 0;
3318 break;
3319 case QEMU_OPTION_vga:
3320 vga_model = optarg;
3321 default_vga = 0;
3322 break;
3323 case QEMU_OPTION_g:
3324 {
3325 const char *p;
3326 int w, h, depth;
3327 p = optarg;
3328 w = strtol(p, (char **)&p, 10);
3329 if (w <= 0) {
3330 graphic_error:
3331 fprintf(stderr, "qemu: invalid resolution or depth\n");
3332 exit(1);
3333 }
3334 if (*p != 'x')
3335 goto graphic_error;
3336 p++;
3337 h = strtol(p, (char **)&p, 10);
3338 if (h <= 0)
3339 goto graphic_error;
3340 if (*p == 'x') {
3341 p++;
3342 depth = strtol(p, (char **)&p, 10);
3343 if (depth != 8 && depth != 15 && depth != 16 &&
3344 depth != 24 && depth != 32)
3345 goto graphic_error;
3346 } else if (*p == '\0') {
3347 depth = graphic_depth;
3348 } else {
3349 goto graphic_error;
3350 }
3351
3352 graphic_width = w;
3353 graphic_height = h;
3354 graphic_depth = depth;
3355 }
3356 break;
3357 case QEMU_OPTION_echr:
3358 {
3359 char *r;
3360 term_escape_char = strtol(optarg, &r, 0);
3361 if (r == optarg)
3362 printf("Bad argument to echr\n");
3363 break;
3364 }
3365 case QEMU_OPTION_monitor:
3366 default_monitor = 0;
3367 if (strncmp(optarg, "none", 4)) {
3368 monitor_parse(optarg, "readline");
3369 }
3370 break;
3371 case QEMU_OPTION_qmp:
3372 monitor_parse(optarg, "control");
3373 default_monitor = 0;
3374 break;
3375 case QEMU_OPTION_mon:
3376 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3377 if (!opts) {
3378 exit(1);
3379 }
3380 default_monitor = 0;
3381 break;
3382 case QEMU_OPTION_chardev:
3383 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3384 if (!opts) {
3385 exit(1);
3386 }
3387 break;
3388 case QEMU_OPTION_fsdev:
3389 olist = qemu_find_opts("fsdev");
3390 if (!olist) {
3391 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3392 exit(1);
3393 }
3394 opts = qemu_opts_parse(olist, optarg, 1);
3395 if (!opts) {
3396 exit(1);
3397 }
3398 break;
3399 case QEMU_OPTION_virtfs: {
3400 QemuOpts *fsdev;
3401 QemuOpts *device;
3402 const char *writeout, *sock_fd, *socket;
3403
3404 olist = qemu_find_opts("virtfs");
3405 if (!olist) {
3406 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3407 exit(1);
3408 }
3409 opts = qemu_opts_parse(olist, optarg, 1);
3410 if (!opts) {
3411 exit(1);
3412 }
3413
3414 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3415 qemu_opt_get(opts, "mount_tag") == NULL) {
3416 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3417 exit(1);
3418 }
3419 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3420 qemu_opt_get(opts, "mount_tag"),
3421 1, NULL);
3422 if (!fsdev) {
3423 fprintf(stderr, "duplicate fsdev id: %s\n",
3424 qemu_opt_get(opts, "mount_tag"));
3425 exit(1);
3426 }
3427
3428 writeout = qemu_opt_get(opts, "writeout");
3429 if (writeout) {
3430 #ifdef CONFIG_SYNC_FILE_RANGE
3431 qemu_opt_set(fsdev, "writeout", writeout);
3432 #else
3433 fprintf(stderr, "writeout=immediate not supported on "
3434 "this platform\n");
3435 exit(1);
3436 #endif
3437 }
3438 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3439 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3440 qemu_opt_set(fsdev, "security_model",
3441 qemu_opt_get(opts, "security_model"));
3442 socket = qemu_opt_get(opts, "socket");
3443 if (socket) {
3444 qemu_opt_set(fsdev, "socket", socket);
3445 }
3446 sock_fd = qemu_opt_get(opts, "sock_fd");
3447 if (sock_fd) {
3448 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3449 }
3450
3451 qemu_opt_set_bool(fsdev, "readonly",
3452 qemu_opt_get_bool(opts, "readonly", 0));
3453 device = qemu_opts_create_nofail(qemu_find_opts("device"));
3454 qemu_opt_set(device, "driver", "virtio-9p-pci");
3455 qemu_opt_set(device, "fsdev",
3456 qemu_opt_get(opts, "mount_tag"));
3457 qemu_opt_set(device, "mount_tag",
3458 qemu_opt_get(opts, "mount_tag"));
3459 break;
3460 }
3461 case QEMU_OPTION_virtfs_synth: {
3462 QemuOpts *fsdev;
3463 QemuOpts *device;
3464
3465 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3466 1, NULL);
3467 if (!fsdev) {
3468 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3469 exit(1);
3470 }
3471 qemu_opt_set(fsdev, "fsdriver", "synth");
3472
3473 device = qemu_opts_create_nofail(qemu_find_opts("device"));
3474 qemu_opt_set(device, "driver", "virtio-9p-pci");
3475 qemu_opt_set(device, "fsdev", "v_synth");
3476 qemu_opt_set(device, "mount_tag", "v_synth");
3477 break;
3478 }
3479 case QEMU_OPTION_serial:
3480 add_device_config(DEV_SERIAL, optarg);
3481 default_serial = 0;
3482 if (strncmp(optarg, "mon:", 4) == 0) {
3483 default_monitor = 0;
3484 }
3485 break;
3486 case QEMU_OPTION_watchdog:
3487 if (watchdog) {
3488 fprintf(stderr,
3489 "qemu: only one watchdog option may be given\n");
3490 return 1;
3491 }
3492 watchdog = optarg;
3493 break;
3494 case QEMU_OPTION_watchdog_action:
3495 if (select_watchdog_action(optarg) == -1) {
3496 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3497 exit(1);
3498 }
3499 break;
3500 case QEMU_OPTION_virtiocon:
3501 add_device_config(DEV_VIRTCON, optarg);
3502 default_virtcon = 0;
3503 if (strncmp(optarg, "mon:", 4) == 0) {
3504 default_monitor = 0;
3505 }
3506 break;
3507 case QEMU_OPTION_parallel:
3508 add_device_config(DEV_PARALLEL, optarg);
3509 default_parallel = 0;
3510 if (strncmp(optarg, "mon:", 4) == 0) {
3511 default_monitor = 0;
3512 }
3513 break;
3514 case QEMU_OPTION_debugcon:
3515 add_device_config(DEV_DEBUGCON, optarg);
3516 break;
3517 case QEMU_OPTION_loadvm:
3518 loadvm = optarg;
3519 break;
3520 case QEMU_OPTION_full_screen:
3521 full_screen = 1;
3522 break;
3523 case QEMU_OPTION_no_frame:
3524 no_frame = 1;
3525 break;
3526 case QEMU_OPTION_alt_grab:
3527 alt_grab = 1;
3528 break;
3529 case QEMU_OPTION_ctrl_grab:
3530 ctrl_grab = 1;
3531 break;
3532 case QEMU_OPTION_no_quit:
3533 no_quit = 1;
3534 break;
3535 case QEMU_OPTION_sdl:
3536 #ifdef CONFIG_SDL
3537 display_type = DT_SDL;
3538 break;
3539 #else
3540 fprintf(stderr, "SDL support is disabled\n");
3541 exit(1);
3542 #endif
3543 case QEMU_OPTION_pidfile:
3544 pid_file = optarg;
3545 break;
3546 case QEMU_OPTION_win2k_hack:
3547 win2k_install_hack = 1;
3548 break;
3549 case QEMU_OPTION_rtc_td_hack: {
3550 static GlobalProperty slew_lost_ticks[] = {
3551 {
3552 .driver = "mc146818rtc",
3553 .property = "lost_tick_policy",
3554 .value = "slew",
3555 },
3556 { /* end of list */ }
3557 };
3558
3559 qdev_prop_register_global_list(slew_lost_ticks);
3560 break;
3561 }
3562 case QEMU_OPTION_acpitable:
3563 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3564 g_assert(opts != NULL);
3565 do_acpitable_option(opts);
3566 break;
3567 case QEMU_OPTION_smbios:
3568 do_smbios_option(optarg);
3569 break;
3570 case QEMU_OPTION_enable_kvm:
3571 olist = qemu_find_opts("machine");
3572 qemu_opts_parse(olist, "accel=kvm", 0);
3573 break;
3574 case QEMU_OPTION_machine:
3575 olist = qemu_find_opts("machine");
3576 opts = qemu_opts_parse(olist, optarg, 1);
3577 if (!opts) {
3578 exit(1);
3579 }
3580 optarg = qemu_opt_get(opts, "type");
3581 if (optarg) {
3582 machine = machine_parse(optarg);
3583 }
3584 break;
3585 case QEMU_OPTION_no_kvm:
3586 olist = qemu_find_opts("machine");
3587 qemu_opts_parse(olist, "accel=tcg", 0);
3588 break;
3589 case QEMU_OPTION_no_kvm_pit: {
3590 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3591 "separately.\n");
3592 break;
3593 }
3594 case QEMU_OPTION_no_kvm_pit_reinjection: {
3595 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3596 {
3597 .driver = "kvm-pit",
3598 .property = "lost_tick_policy",
3599 .value = "discard",
3600 },
3601 { /* end of list */ }
3602 };
3603
3604 fprintf(stderr, "Warning: option deprecated, use "
3605 "lost_tick_policy property of kvm-pit instead.\n");
3606 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3607 break;
3608 }
3609 case QEMU_OPTION_usb:
3610 olist = qemu_find_opts("machine");
3611 qemu_opts_parse(olist, "usb=on", 0);
3612 break;
3613 case QEMU_OPTION_usbdevice:
3614 olist = qemu_find_opts("machine");
3615 qemu_opts_parse(olist, "usb=on", 0);
3616 add_device_config(DEV_USB, optarg);
3617 break;
3618 case QEMU_OPTION_device:
3619 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3620 exit(1);
3621 }
3622 break;
3623 case QEMU_OPTION_smp:
3624 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3625 exit(1);
3626 }
3627 break;
3628 case QEMU_OPTION_vnc:
3629 #ifdef CONFIG_VNC
3630 display_remote++;
3631 vnc_display = optarg;
3632 #else
3633 fprintf(stderr, "VNC support is disabled\n");
3634 exit(1);
3635 #endif
3636 break;
3637 case QEMU_OPTION_no_acpi:
3638 acpi_enabled = 0;
3639 break;
3640 case QEMU_OPTION_no_hpet:
3641 no_hpet = 1;
3642 break;
3643 case QEMU_OPTION_balloon:
3644 if (balloon_parse(optarg) < 0) {
3645 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3646 exit(1);
3647 }
3648 break;
3649 case QEMU_OPTION_no_reboot:
3650 no_reboot = 1;
3651 break;
3652 case QEMU_OPTION_no_shutdown:
3653 no_shutdown = 1;
3654 break;
3655 case QEMU_OPTION_show_cursor:
3656 cursor_hide = 0;
3657 break;
3658 case QEMU_OPTION_uuid:
3659 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3660 fprintf(stderr, "Fail to parse UUID string."
3661 " Wrong format.\n");
3662 exit(1);
3663 }
3664 break;
3665 case QEMU_OPTION_option_rom:
3666 if (nb_option_roms >= MAX_OPTION_ROMS) {
3667 fprintf(stderr, "Too many option ROMs\n");
3668 exit(1);
3669 }
3670 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3671 if (!opts) {
3672 exit(1);
3673 }
3674 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3675 option_rom[nb_option_roms].bootindex =
3676 qemu_opt_get_number(opts, "bootindex", -1);
3677 if (!option_rom[nb_option_roms].name) {
3678 fprintf(stderr, "Option ROM file is not specified\n");
3679 exit(1);
3680 }
3681 nb_option_roms++;
3682 break;
3683 case QEMU_OPTION_semihosting:
3684 semihosting_enabled = 1;
3685 break;
3686 case QEMU_OPTION_tdf:
3687 fprintf(stderr, "Warning: user space PIT time drift fix "
3688 "is no longer supported.\n");
3689 break;
3690 case QEMU_OPTION_name:
3691 qemu_name = g_strdup(optarg);
3692 {
3693 char *p = strchr(qemu_name, ',');
3694 if (p != NULL) {
3695 *p++ = 0;
3696 if (strncmp(p, "process=", 8)) {
3697 fprintf(stderr, "Unknown subargument %s to -name\n", p);
3698 exit(1);
3699 }
3700 p += 8;
3701 os_set_proc_name(p);
3702 }
3703 }
3704 break;
3705 case QEMU_OPTION_prom_env:
3706 if (nb_prom_envs >= MAX_PROM_ENVS) {
3707 fprintf(stderr, "Too many prom variables\n");
3708 exit(1);
3709 }
3710 prom_envs[nb_prom_envs] = optarg;
3711 nb_prom_envs++;
3712 break;
3713 case QEMU_OPTION_old_param:
3714 old_param = 1;
3715 break;
3716 case QEMU_OPTION_clock:
3717 /* Clock options no longer exist. Keep this option for
3718 * backward compatibility.
3719 */
3720 break;
3721 case QEMU_OPTION_startdate:
3722 configure_rtc_date_offset(optarg, 1);
3723 break;
3724 case QEMU_OPTION_rtc:
3725 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3726 if (!opts) {
3727 exit(1);
3728 }
3729 configure_rtc(opts);
3730 break;
3731 case QEMU_OPTION_tb_size:
3732 tcg_tb_size = strtol(optarg, NULL, 0);
3733 if (tcg_tb_size < 0) {
3734 tcg_tb_size = 0;
3735 }
3736 break;
3737 case QEMU_OPTION_icount:
3738 icount_option = optarg;
3739 break;
3740 case QEMU_OPTION_incoming:
3741 incoming = optarg;
3742 runstate_set(RUN_STATE_INMIGRATE);
3743 break;
3744 case QEMU_OPTION_nodefaults:
3745 default_serial = 0;
3746 default_parallel = 0;
3747 default_virtcon = 0;
3748 default_sclp = 0;
3749 default_monitor = 0;
3750 default_net = 0;
3751 default_floppy = 0;
3752 default_cdrom = 0;
3753 default_sdcard = 0;
3754 default_vga = 0;
3755 break;
3756 case QEMU_OPTION_xen_domid:
3757 if (!(xen_available())) {
3758 printf("Option %s not supported for this target\n", popt->name);
3759 exit(1);
3760 }
3761 xen_domid = atoi(optarg);
3762 break;
3763 case QEMU_OPTION_xen_create:
3764 if (!(xen_available())) {
3765 printf("Option %s not supported for this target\n", popt->name);
3766 exit(1);
3767 }
3768 xen_mode = XEN_CREATE;
3769 break;
3770 case QEMU_OPTION_xen_attach:
3771 if (!(xen_available())) {
3772 printf("Option %s not supported for this target\n", popt->name);
3773 exit(1);
3774 }
3775 xen_mode = XEN_ATTACH;
3776 break;
3777 case QEMU_OPTION_trace:
3778 {
3779 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3780 if (!opts) {
3781 exit(1);
3782 }
3783 trace_events = qemu_opt_get(opts, "events");
3784 trace_file = qemu_opt_get(opts, "file");
3785 break;
3786 }
3787 case QEMU_OPTION_readconfig:
3788 {
3789 int ret = qemu_read_config_file(optarg);
3790 if (ret < 0) {
3791 fprintf(stderr, "read config %s: %s\n", optarg,
3792 strerror(-ret));
3793 exit(1);
3794 }
3795 break;
3796 }
3797 case QEMU_OPTION_spice:
3798 olist = qemu_find_opts("spice");
3799 if (!olist) {
3800 fprintf(stderr, "spice is not supported by this qemu build.\n");
3801 exit(1);
3802 }
3803 opts = qemu_opts_parse(olist, optarg, 0);
3804 if (!opts) {
3805 exit(1);
3806 }
3807 display_remote++;
3808 break;
3809 case QEMU_OPTION_writeconfig:
3810 {
3811 FILE *fp;
3812 if (strcmp(optarg, "-") == 0) {
3813 fp = stdout;
3814 } else {
3815 fp = fopen(optarg, "w");
3816 if (fp == NULL) {
3817 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3818 exit(1);
3819 }
3820 }
3821 qemu_config_write(fp);
3822 fclose(fp);
3823 break;
3824 }
3825 case QEMU_OPTION_qtest:
3826 qtest_chrdev = optarg;
3827 break;
3828 case QEMU_OPTION_qtest_log:
3829 qtest_log = optarg;
3830 break;
3831 case QEMU_OPTION_sandbox:
3832 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3833 if (!opts) {
3834 exit(1);
3835 }
3836 break;
3837 case QEMU_OPTION_add_fd:
3838 #ifndef _WIN32
3839 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3840 if (!opts) {
3841 exit(1);
3842 }
3843 #else
3844 error_report("File descriptor passing is disabled on this "
3845 "platform");
3846 exit(1);
3847 #endif
3848 break;
3849 case QEMU_OPTION_object:
3850 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3851 if (!opts) {
3852 exit(1);
3853 }
3854 break;
3855 case QEMU_OPTION_realtime:
3856 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3857 if (!opts) {
3858 exit(1);
3859 }
3860 configure_realtime(opts);
3861 break;
3862 case QEMU_OPTION_msg:
3863 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3864 if (!opts) {
3865 exit(1);
3866 }
3867 configure_msg(opts);
3868 break;
3869 default:
3870 os_parse_cmd_args(popt->index, optarg);
3871 }
3872 }
3873 }
3874 loc_set_none();
3875
3876 if (qemu_init_main_loop()) {
3877 fprintf(stderr, "qemu_init_main_loop failed\n");
3878 exit(1);
3879 }
3880
3881 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3882 exit(1);
3883 }
3884
3885 #ifndef _WIN32
3886 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3887 exit(1);
3888 }
3889
3890 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3891 exit(1);
3892 }
3893 #endif
3894
3895 if (machine == NULL) {
3896 fprintf(stderr, "No machine found.\n");
3897 exit(1);
3898 }
3899
3900 if (machine->hw_version) {
3901 qemu_set_version(machine->hw_version);
3902 }
3903
3904 if (qemu_opts_foreach(qemu_find_opts("object"),
3905 object_create, NULL, 0) != 0) {
3906 exit(1);
3907 }
3908
3909 /* Init CPU def lists, based on config
3910 * - Must be called after all the qemu_read_config_file() calls
3911 * - Must be called before list_cpus()
3912 * - Must be called before machine->init()
3913 */
3914 cpudef_init();
3915
3916 if (cpu_model && is_help_option(cpu_model)) {
3917 list_cpus(stdout, &fprintf, cpu_model);
3918 exit(0);
3919 }
3920
3921 /* Open the logfile at this point, if necessary. We can't open the logfile
3922 * when encountering either of the logging options (-d or -D) because the
3923 * other one may be encountered later on the command line, changing the
3924 * location or level of logging.
3925 */
3926 if (log_mask) {
3927 int mask;
3928 if (log_file) {
3929 qemu_set_log_filename(log_file);
3930 }
3931
3932 mask = qemu_str_to_log_mask(log_mask);
3933 if (!mask) {
3934 qemu_print_log_usage(stdout);
3935 exit(1);
3936 }
3937 qemu_set_log(mask);
3938 }
3939
3940 if (!trace_backend_init(trace_events, trace_file)) {
3941 exit(1);
3942 }
3943
3944 /* If no data_dir is specified then try to find it relative to the
3945 executable path. */
3946 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3947 data_dir[data_dir_idx] = os_find_datadir(argv[0]);
3948 if (data_dir[data_dir_idx] != NULL) {
3949 data_dir_idx++;
3950 }
3951 }
3952 /* If all else fails use the install path specified when building. */
3953 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3954 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
3955 }
3956
3957 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
3958
3959 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3960 if (smp_cpus > machine->max_cpus) {
3961 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3962 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
3963 machine->max_cpus);
3964 exit(1);
3965 }
3966
3967 /*
3968 * Get the default machine options from the machine if it is not already
3969 * specified either by the configuration file or by the command line.
3970 */
3971 if (machine->default_machine_opts) {
3972 qemu_opts_set_defaults(qemu_find_opts("machine"),
3973 machine->default_machine_opts, 0);
3974 }
3975
3976 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3977 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3978
3979 if (machine->no_serial) {
3980 default_serial = 0;
3981 }
3982 if (machine->no_parallel) {
3983 default_parallel = 0;
3984 }
3985 if (!machine->use_virtcon) {
3986 default_virtcon = 0;
3987 }
3988 if (!machine->use_sclp) {
3989 default_sclp = 0;
3990 }
3991 if (machine->no_floppy) {
3992 default_floppy = 0;
3993 }
3994 if (machine->no_cdrom) {
3995 default_cdrom = 0;
3996 }
3997 if (machine->no_sdcard) {
3998 default_sdcard = 0;
3999 }
4000
4001 if (is_daemonized()) {
4002 /* According to documentation and historically, -nographic redirects
4003 * serial port, parallel port and monitor to stdio, which does not work
4004 * with -daemonize. We can redirect these to null instead, but since
4005 * -nographic is legacy, let's just error out.
4006 * We disallow -nographic only if all other ports are not redirected
4007 * explicitly, to not break existing legacy setups which uses
4008 * -nographic _and_ redirects all ports explicitly - this is valid
4009 * usage, -nographic is just a no-op in this case.
4010 */
4011 if (display_type == DT_NOGRAPHIC
4012 && (default_parallel || default_serial
4013 || default_monitor || default_virtcon)) {
4014 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4015 exit(1);
4016 }
4017 #ifdef CONFIG_CURSES
4018 if (display_type == DT_CURSES) {
4019 fprintf(stderr, "curses display can not be used with -daemonize\n");
4020 exit(1);
4021 }
4022 #endif
4023 }
4024
4025 if (display_type == DT_NOGRAPHIC) {
4026 if (default_parallel)
4027 add_device_config(DEV_PARALLEL, "null");
4028 if (default_serial && default_monitor) {
4029 add_device_config(DEV_SERIAL, "mon:stdio");
4030 } else if (default_virtcon && default_monitor) {
4031 add_device_config(DEV_VIRTCON, "mon:stdio");
4032 } else if (default_sclp && default_monitor) {
4033 add_device_config(DEV_SCLP, "mon:stdio");
4034 } else {
4035 if (default_serial)
4036 add_device_config(DEV_SERIAL, "stdio");
4037 if (default_virtcon)
4038 add_device_config(DEV_VIRTCON, "stdio");
4039 if (default_sclp) {
4040 add_device_config(DEV_SCLP, "stdio");
4041 }
4042 if (default_monitor)
4043 monitor_parse("stdio", "readline");
4044 }
4045 } else {
4046 if (default_serial)
4047 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4048 if (default_parallel)
4049 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4050 if (default_monitor)
4051 monitor_parse("vc:80Cx24C", "readline");
4052 if (default_virtcon)
4053 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4054 if (default_sclp) {
4055 add_device_config(DEV_SCLP, "vc:80Cx24C");
4056 }
4057 }
4058
4059 if (display_type == DT_DEFAULT && !display_remote) {
4060 #if defined(CONFIG_GTK)
4061 display_type = DT_GTK;
4062 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4063 display_type = DT_SDL;
4064 #elif defined(CONFIG_VNC)
4065 vnc_display = "localhost:0,to=99";
4066 show_vnc_port = 1;
4067 #else
4068 display_type = DT_NONE;
4069 #endif
4070 }
4071
4072 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4073 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4074 "for SDL, ignoring option\n");
4075 }
4076 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4077 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4078 "ignoring option\n");
4079 }
4080
4081 #if defined(CONFIG_GTK)
4082 if (display_type == DT_GTK) {
4083 early_gtk_display_init();
4084 }
4085 #endif
4086
4087 socket_init();
4088
4089 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4090 exit(1);
4091 #ifdef CONFIG_VIRTFS
4092 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4093 exit(1);
4094 }
4095 #endif
4096
4097 os_daemonize();
4098
4099 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4100 os_pidfile_error();
4101 exit(1);
4102 }
4103
4104 /* init the memory */
4105 if (ram_size == 0) {
4106 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
4107 }
4108
4109 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4110 != 0) {
4111 exit(0);
4112 }
4113
4114 configure_accelerator();
4115
4116 if (!qtest_enabled() && qtest_chrdev) {
4117 qtest_init();
4118 }
4119
4120 machine_opts = qemu_get_machine_opts();
4121 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4122 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4123 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4124
4125 if (!boot_order) {
4126 boot_order = machine->default_boot_order;
4127 }
4128 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4129 if (opts) {
4130 char *normal_boot_order;
4131 const char *order, *once;
4132
4133 order = qemu_opt_get(opts, "order");
4134 if (order) {
4135 validate_bootdevices(order);
4136 boot_order = order;
4137 }
4138
4139 once = qemu_opt_get(opts, "once");
4140 if (once) {
4141 validate_bootdevices(once);
4142 normal_boot_order = g_strdup(boot_order);
4143 boot_order = once;
4144 qemu_register_reset(restore_boot_order, normal_boot_order);
4145 }
4146
4147 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4148 }
4149
4150 if (!kernel_cmdline) {
4151 kernel_cmdline = "";
4152 }
4153
4154 linux_boot = (kernel_filename != NULL);
4155
4156 if (!linux_boot && *kernel_cmdline != '\0') {
4157 fprintf(stderr, "-append only allowed with -kernel option\n");
4158 exit(1);
4159 }
4160
4161 if (!linux_boot && initrd_filename != NULL) {
4162 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4163 exit(1);
4164 }
4165
4166 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4167 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4168 exit(1);
4169 }
4170
4171 os_set_line_buffering();
4172
4173 qemu_init_cpu_loop();
4174 qemu_mutex_lock_iothread();
4175
4176 #ifdef CONFIG_SPICE
4177 /* spice needs the timers to be initialized by this point */
4178 qemu_spice_init();
4179 #endif
4180
4181 if (icount_option && (kvm_enabled() || xen_enabled())) {
4182 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4183 exit(1);
4184 }
4185 configure_icount(icount_option);
4186
4187 /* clean up network at qemu process termination */
4188 atexit(&net_cleanup);
4189
4190 if (net_init_clients() < 0) {
4191 exit(1);
4192 }
4193
4194 #ifdef CONFIG_TPM
4195 if (tpm_init() < 0) {
4196 exit(1);
4197 }
4198 #endif
4199
4200 /* init the bluetooth world */
4201 if (foreach_device_config(DEV_BT, bt_parse))
4202 exit(1);
4203
4204 if (!xen_enabled()) {
4205 /* On 32-bit hosts, QEMU is limited by virtual address space */
4206 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4207 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4208 exit(1);
4209 }
4210 }
4211
4212 cpu_exec_init_all();
4213
4214 blk_mig_init();
4215
4216 /* open the virtual block devices */
4217 if (snapshot)
4218 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4219 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4220 &machine->block_default_type, 1) != 0) {
4221 exit(1);
4222 }
4223
4224 default_drive(default_cdrom, snapshot, machine->block_default_type, 2,
4225 CDROM_OPTS);
4226 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4227 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4228
4229 register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
4230
4231 if (nb_numa_nodes > 0) {
4232 int i;
4233
4234 if (nb_numa_nodes > MAX_NODES) {
4235 nb_numa_nodes = MAX_NODES;
4236 }
4237
4238 /* If no memory size if given for any node, assume the default case
4239 * and distribute the available memory equally across all nodes
4240 */
4241 for (i = 0; i < nb_numa_nodes; i++) {
4242 if (node_mem[i] != 0)
4243 break;
4244 }
4245 if (i == nb_numa_nodes) {
4246 uint64_t usedmem = 0;
4247
4248 /* On Linux, the each node's border has to be 8MB aligned,
4249 * the final node gets the rest.
4250 */
4251 for (i = 0; i < nb_numa_nodes - 1; i++) {
4252 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
4253 usedmem += node_mem[i];
4254 }
4255 node_mem[i] = ram_size - usedmem;
4256 }
4257
4258 for (i = 0; i < nb_numa_nodes; i++) {
4259 if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
4260 break;
4261 }
4262 }
4263 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4264 * must cope with this anyway, because there are BIOSes out there in
4265 * real machines which also use this scheme.
4266 */
4267 if (i == nb_numa_nodes) {
4268 for (i = 0; i < max_cpus; i++) {
4269 set_bit(i, node_cpumask[i % nb_numa_nodes]);
4270 }
4271 }
4272 }
4273
4274 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4275 exit(1);
4276 }
4277
4278 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4279 exit(1);
4280 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4281 exit(1);
4282 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4283 exit(1);
4284 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4285 exit(1);
4286 }
4287 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4288 exit(1);
4289
4290 /* If no default VGA is requested, the default is "none". */
4291 if (default_vga) {
4292 if (cirrus_vga_available()) {
4293 vga_model = "cirrus";
4294 } else if (vga_available()) {
4295 vga_model = "std";
4296 }
4297 }
4298 select_vgahw(vga_model);
4299
4300 if (watchdog) {
4301 i = select_watchdog(watchdog);
4302 if (i > 0)
4303 exit (i == 1 ? 1 : 0);
4304 }
4305
4306 if (machine->compat_props) {
4307 qdev_prop_register_global_list(machine->compat_props);
4308 }
4309 qemu_add_globals();
4310
4311 qdev_machine_init();
4312
4313 QEMUMachineInitArgs args = { .ram_size = ram_size,
4314 .boot_order = boot_order,
4315 .kernel_filename = kernel_filename,
4316 .kernel_cmdline = kernel_cmdline,
4317 .initrd_filename = initrd_filename,
4318 .cpu_model = cpu_model };
4319 machine->init(&args);
4320
4321 audio_init();
4322
4323 cpu_synchronize_all_post_init();
4324
4325 set_numa_modes();
4326
4327 current_machine = machine;
4328
4329 /* init USB devices */
4330 if (usb_enabled(false)) {
4331 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4332 exit(1);
4333 }
4334
4335 /* init generic devices */
4336 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4337 exit(1);
4338
4339 net_check_clients();
4340
4341 ds = init_displaystate();
4342
4343 /* init local displays */
4344 switch (display_type) {
4345 case DT_NOGRAPHIC:
4346 break;
4347 #if defined(CONFIG_CURSES)
4348 case DT_CURSES:
4349 curses_display_init(ds, full_screen);
4350 break;
4351 #endif
4352 #if defined(CONFIG_SDL)
4353 case DT_SDL:
4354 sdl_display_init(ds, full_screen, no_frame);
4355 break;
4356 #elif defined(CONFIG_COCOA)
4357 case DT_SDL:
4358 cocoa_display_init(ds, full_screen);
4359 break;
4360 #endif
4361 #if defined(CONFIG_GTK)
4362 case DT_GTK:
4363 gtk_display_init(ds, full_screen);
4364 break;
4365 #endif
4366 default:
4367 break;
4368 }
4369
4370 /* must be after terminal init, SDL library changes signal handlers */
4371 os_setup_signal_handling();
4372
4373 #ifdef CONFIG_VNC
4374 /* init remote displays */
4375 if (vnc_display) {
4376 Error *local_err = NULL;
4377 vnc_display_init(ds);
4378 vnc_display_open(ds, vnc_display, &local_err);
4379 if (local_err != NULL) {
4380 error_report("Failed to start VNC server on `%s': %s",
4381 vnc_display, error_get_pretty(local_err));
4382 error_free(local_err);
4383 exit(1);
4384 }
4385
4386 if (show_vnc_port) {
4387 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4388 }
4389 }
4390 #endif
4391 #ifdef CONFIG_SPICE
4392 if (using_spice && !spice_displays) {
4393 qemu_spice_display_init(ds);
4394 }
4395 #endif
4396
4397 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4398 exit(1);
4399 }
4400
4401 qdev_machine_creation_done();
4402
4403 if (rom_load_all() != 0) {
4404 fprintf(stderr, "rom loading failed\n");
4405 exit(1);
4406 }
4407
4408 /* TODO: once all bus devices are qdevified, this should be done
4409 * when bus is created by qdev.c */
4410 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4411 qemu_run_machine_init_done_notifiers();
4412
4413 qemu_system_reset(VMRESET_SILENT);
4414 if (loadvm) {
4415 if (load_vmstate(loadvm) < 0) {
4416 autostart = 0;
4417 }
4418 }
4419
4420 if (incoming) {
4421 Error *local_err = NULL;
4422 qemu_start_incoming_migration(incoming, &local_err);
4423 if (local_err) {
4424 error_report("-incoming %s: %s", incoming,
4425 error_get_pretty(local_err));
4426 error_free(local_err);
4427 exit(1);
4428 }
4429 } else if (autostart) {
4430 vm_start();
4431 }
4432
4433 os_setup_post();
4434
4435 main_loop();
4436 bdrv_close_all();
4437 pause_all_vcpus();
4438 res_free();
4439 #ifdef CONFIG_TPM
4440 tpm_cleanup();
4441 #endif
4442
4443 return 0;
4444 }
QEmu