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[qemu.git] / vl.c
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 QEMUClock *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_STRING,
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 /**
520 * Get machine options
521 *
522 * Returns: machine options (never null).
523 */
524 QemuOpts *qemu_get_machine_opts(void)
525 {
526 QemuOptsList *list;
527 QemuOpts *opts;
528
529 list = qemu_find_opts("machine");
530 assert(list);
531 opts = qemu_opts_find(list, NULL);
532 if (!opts) {
533 opts = qemu_opts_create_nofail(list);
534 }
535 return opts;
536 }
537
538 const char *qemu_get_vm_name(void)
539 {
540 return qemu_name;
541 }
542
543 static void res_free(void)
544 {
545 if (boot_splash_filedata != NULL) {
546 g_free(boot_splash_filedata);
547 boot_splash_filedata = NULL;
548 }
549 }
550
551 static int default_driver_check(QemuOpts *opts, void *opaque)
552 {
553 const char *driver = qemu_opt_get(opts, "driver");
554 int i;
555
556 if (!driver)
557 return 0;
558 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
559 if (strcmp(default_list[i].driver, driver) != 0)
560 continue;
561 *(default_list[i].flag) = 0;
562 }
563 return 0;
564 }
565
566 /***********************************************************/
567 /* QEMU state */
568
569 static RunState current_run_state = RUN_STATE_PRELAUNCH;
570
571 typedef struct {
572 RunState from;
573 RunState to;
574 } RunStateTransition;
575
576 static const RunStateTransition runstate_transitions_def[] = {
577 /* from -> to */
578 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
579
580 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
581 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
582
583 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
584 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
585
586 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
587 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
588
589 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
590 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
591
592 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
593 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
594
595 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
596 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
597 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
598
599 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
600 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
601
602 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
603
604 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
605 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
606 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
607 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
608 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
609 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
610 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
611 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
612 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
613 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
614
615 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
616
617 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
618 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
619
620 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
621 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
622 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
623 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
624
625 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
626 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
627
628 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PAUSED },
629 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
630 { RUN_STATE_GUEST_PANICKED, RUN_STATE_DEBUG },
631
632 { RUN_STATE_MAX, RUN_STATE_MAX },
633 };
634
635 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
636
637 bool runstate_check(RunState state)
638 {
639 return current_run_state == state;
640 }
641
642 static void runstate_init(void)
643 {
644 const RunStateTransition *p;
645
646 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
647
648 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
649 runstate_valid_transitions[p->from][p->to] = true;
650 }
651 }
652
653 /* This function will abort() on invalid state transitions */
654 void runstate_set(RunState new_state)
655 {
656 assert(new_state < RUN_STATE_MAX);
657
658 if (!runstate_valid_transitions[current_run_state][new_state]) {
659 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
660 RunState_lookup[current_run_state],
661 RunState_lookup[new_state]);
662 abort();
663 }
664 trace_runstate_set(new_state);
665 current_run_state = new_state;
666 }
667
668 int runstate_is_running(void)
669 {
670 return runstate_check(RUN_STATE_RUNNING);
671 }
672
673 bool runstate_needs_reset(void)
674 {
675 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
676 runstate_check(RUN_STATE_SHUTDOWN) ||
677 runstate_check(RUN_STATE_GUEST_PANICKED);
678 }
679
680 StatusInfo *qmp_query_status(Error **errp)
681 {
682 StatusInfo *info = g_malloc0(sizeof(*info));
683
684 info->running = runstate_is_running();
685 info->singlestep = singlestep;
686 info->status = current_run_state;
687
688 return info;
689 }
690
691 /***********************************************************/
692 /* real time host monotonic timer */
693
694 /***********************************************************/
695 /* host time/date access */
696 void qemu_get_timedate(struct tm *tm, int offset)
697 {
698 time_t ti;
699
700 time(&ti);
701 ti += offset;
702 if (rtc_date_offset == -1) {
703 if (rtc_utc)
704 gmtime_r(&ti, tm);
705 else
706 localtime_r(&ti, tm);
707 } else {
708 ti -= rtc_date_offset;
709 gmtime_r(&ti, tm);
710 }
711 }
712
713 int qemu_timedate_diff(struct tm *tm)
714 {
715 time_t seconds;
716
717 if (rtc_date_offset == -1)
718 if (rtc_utc)
719 seconds = mktimegm(tm);
720 else {
721 struct tm tmp = *tm;
722 tmp.tm_isdst = -1; /* use timezone to figure it out */
723 seconds = mktime(&tmp);
724 }
725 else
726 seconds = mktimegm(tm) + rtc_date_offset;
727
728 return seconds - time(NULL);
729 }
730
731 void rtc_change_mon_event(struct tm *tm)
732 {
733 QObject *data;
734
735 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
736 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
737 qobject_decref(data);
738 }
739
740 static void configure_rtc_date_offset(const char *startdate, int legacy)
741 {
742 time_t rtc_start_date;
743 struct tm tm;
744
745 if (!strcmp(startdate, "now") && legacy) {
746 rtc_date_offset = -1;
747 } else {
748 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
749 &tm.tm_year,
750 &tm.tm_mon,
751 &tm.tm_mday,
752 &tm.tm_hour,
753 &tm.tm_min,
754 &tm.tm_sec) == 6) {
755 /* OK */
756 } else if (sscanf(startdate, "%d-%d-%d",
757 &tm.tm_year,
758 &tm.tm_mon,
759 &tm.tm_mday) == 3) {
760 tm.tm_hour = 0;
761 tm.tm_min = 0;
762 tm.tm_sec = 0;
763 } else {
764 goto date_fail;
765 }
766 tm.tm_year -= 1900;
767 tm.tm_mon--;
768 rtc_start_date = mktimegm(&tm);
769 if (rtc_start_date == -1) {
770 date_fail:
771 fprintf(stderr, "Invalid date format. Valid formats are:\n"
772 "'2006-06-17T16:01:21' or '2006-06-17'\n");
773 exit(1);
774 }
775 rtc_date_offset = time(NULL) - rtc_start_date;
776 }
777 }
778
779 static void configure_rtc(QemuOpts *opts)
780 {
781 const char *value;
782
783 value = qemu_opt_get(opts, "base");
784 if (value) {
785 if (!strcmp(value, "utc")) {
786 rtc_utc = 1;
787 } else if (!strcmp(value, "localtime")) {
788 rtc_utc = 0;
789 } else {
790 configure_rtc_date_offset(value, 0);
791 }
792 }
793 value = qemu_opt_get(opts, "clock");
794 if (value) {
795 if (!strcmp(value, "host")) {
796 rtc_clock = host_clock;
797 } else if (!strcmp(value, "rt")) {
798 rtc_clock = rt_clock;
799 } else if (!strcmp(value, "vm")) {
800 rtc_clock = vm_clock;
801 } else {
802 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
803 exit(1);
804 }
805 }
806 value = qemu_opt_get(opts, "driftfix");
807 if (value) {
808 if (!strcmp(value, "slew")) {
809 static GlobalProperty slew_lost_ticks[] = {
810 {
811 .driver = "mc146818rtc",
812 .property = "lost_tick_policy",
813 .value = "slew",
814 },
815 { /* end of list */ }
816 };
817
818 qdev_prop_register_global_list(slew_lost_ticks);
819 } else if (!strcmp(value, "none")) {
820 /* discard is default */
821 } else {
822 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
823 exit(1);
824 }
825 }
826 }
827
828 /***********************************************************/
829 /* Bluetooth support */
830 static int nb_hcis;
831 static int cur_hci;
832 static struct HCIInfo *hci_table[MAX_NICS];
833
834 static struct bt_vlan_s {
835 struct bt_scatternet_s net;
836 int id;
837 struct bt_vlan_s *next;
838 } *first_bt_vlan;
839
840 /* find or alloc a new bluetooth "VLAN" */
841 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
842 {
843 struct bt_vlan_s **pvlan, *vlan;
844 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
845 if (vlan->id == id)
846 return &vlan->net;
847 }
848 vlan = g_malloc0(sizeof(struct bt_vlan_s));
849 vlan->id = id;
850 pvlan = &first_bt_vlan;
851 while (*pvlan != NULL)
852 pvlan = &(*pvlan)->next;
853 *pvlan = vlan;
854 return &vlan->net;
855 }
856
857 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
858 {
859 }
860
861 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
862 {
863 return -ENOTSUP;
864 }
865
866 static struct HCIInfo null_hci = {
867 .cmd_send = null_hci_send,
868 .sco_send = null_hci_send,
869 .acl_send = null_hci_send,
870 .bdaddr_set = null_hci_addr_set,
871 };
872
873 struct HCIInfo *qemu_next_hci(void)
874 {
875 if (cur_hci == nb_hcis)
876 return &null_hci;
877
878 return hci_table[cur_hci++];
879 }
880
881 static struct HCIInfo *hci_init(const char *str)
882 {
883 char *endp;
884 struct bt_scatternet_s *vlan = 0;
885
886 if (!strcmp(str, "null"))
887 /* null */
888 return &null_hci;
889 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
890 /* host[:hciN] */
891 return bt_host_hci(str[4] ? str + 5 : "hci0");
892 else if (!strncmp(str, "hci", 3)) {
893 /* hci[,vlan=n] */
894 if (str[3]) {
895 if (!strncmp(str + 3, ",vlan=", 6)) {
896 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
897 if (*endp)
898 vlan = 0;
899 }
900 } else
901 vlan = qemu_find_bt_vlan(0);
902 if (vlan)
903 return bt_new_hci(vlan);
904 }
905
906 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
907
908 return 0;
909 }
910
911 static int bt_hci_parse(const char *str)
912 {
913 struct HCIInfo *hci;
914 bdaddr_t bdaddr;
915
916 if (nb_hcis >= MAX_NICS) {
917 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
918 return -1;
919 }
920
921 hci = hci_init(str);
922 if (!hci)
923 return -1;
924
925 bdaddr.b[0] = 0x52;
926 bdaddr.b[1] = 0x54;
927 bdaddr.b[2] = 0x00;
928 bdaddr.b[3] = 0x12;
929 bdaddr.b[4] = 0x34;
930 bdaddr.b[5] = 0x56 + nb_hcis;
931 hci->bdaddr_set(hci, bdaddr.b);
932
933 hci_table[nb_hcis++] = hci;
934
935 return 0;
936 }
937
938 static void bt_vhci_add(int vlan_id)
939 {
940 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
941
942 if (!vlan->slave)
943 fprintf(stderr, "qemu: warning: adding a VHCI to "
944 "an empty scatternet %i\n", vlan_id);
945
946 bt_vhci_init(bt_new_hci(vlan));
947 }
948
949 static struct bt_device_s *bt_device_add(const char *opt)
950 {
951 struct bt_scatternet_s *vlan;
952 int vlan_id = 0;
953 char *endp = strstr(opt, ",vlan=");
954 int len = (endp ? endp - opt : strlen(opt)) + 1;
955 char devname[10];
956
957 pstrcpy(devname, MIN(sizeof(devname), len), opt);
958
959 if (endp) {
960 vlan_id = strtol(endp + 6, &endp, 0);
961 if (*endp) {
962 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
963 return 0;
964 }
965 }
966
967 vlan = qemu_find_bt_vlan(vlan_id);
968
969 if (!vlan->slave)
970 fprintf(stderr, "qemu: warning: adding a slave device to "
971 "an empty scatternet %i\n", vlan_id);
972
973 if (!strcmp(devname, "keyboard"))
974 return bt_keyboard_init(vlan);
975
976 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
977 return 0;
978 }
979
980 static int bt_parse(const char *opt)
981 {
982 const char *endp, *p;
983 int vlan;
984
985 if (strstart(opt, "hci", &endp)) {
986 if (!*endp || *endp == ',') {
987 if (*endp)
988 if (!strstart(endp, ",vlan=", 0))
989 opt = endp + 1;
990
991 return bt_hci_parse(opt);
992 }
993 } else if (strstart(opt, "vhci", &endp)) {
994 if (!*endp || *endp == ',') {
995 if (*endp) {
996 if (strstart(endp, ",vlan=", &p)) {
997 vlan = strtol(p, (char **) &endp, 0);
998 if (*endp) {
999 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
1000 return 1;
1001 }
1002 } else {
1003 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
1004 return 1;
1005 }
1006 } else
1007 vlan = 0;
1008
1009 bt_vhci_add(vlan);
1010 return 0;
1011 }
1012 } else if (strstart(opt, "device:", &endp))
1013 return !bt_device_add(endp);
1014
1015 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
1016 return 1;
1017 }
1018
1019 static int parse_sandbox(QemuOpts *opts, void *opaque)
1020 {
1021 /* FIXME: change this to true for 1.3 */
1022 if (qemu_opt_get_bool(opts, "enable", false)) {
1023 #ifdef CONFIG_SECCOMP
1024 if (seccomp_start() < 0) {
1025 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1026 "failed to install seccomp syscall filter in the kernel");
1027 return -1;
1028 }
1029 #else
1030 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1031 "sandboxing request but seccomp is not compiled into this build");
1032 return -1;
1033 #endif
1034 }
1035
1036 return 0;
1037 }
1038
1039 /*********QEMU USB setting******/
1040 bool usb_enabled(bool default_usb)
1041 {
1042 QemuOpts *mach_opts;
1043 mach_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
1044 if (mach_opts) {
1045 return qemu_opt_get_bool(mach_opts, "usb", default_usb);
1046 }
1047 return default_usb;
1048 }
1049
1050 #ifndef _WIN32
1051 static int parse_add_fd(QemuOpts *opts, void *opaque)
1052 {
1053 int fd, dupfd, flags;
1054 int64_t fdset_id;
1055 const char *fd_opaque = NULL;
1056
1057 fd = qemu_opt_get_number(opts, "fd", -1);
1058 fdset_id = qemu_opt_get_number(opts, "set", -1);
1059 fd_opaque = qemu_opt_get(opts, "opaque");
1060
1061 if (fd < 0) {
1062 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1063 "fd option is required and must be non-negative");
1064 return -1;
1065 }
1066
1067 if (fd <= STDERR_FILENO) {
1068 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1069 "fd cannot be a standard I/O stream");
1070 return -1;
1071 }
1072
1073 /*
1074 * All fds inherited across exec() necessarily have FD_CLOEXEC
1075 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1076 */
1077 flags = fcntl(fd, F_GETFD);
1078 if (flags == -1 || (flags & FD_CLOEXEC)) {
1079 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1080 "fd is not valid or already in use");
1081 return -1;
1082 }
1083
1084 if (fdset_id < 0) {
1085 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1086 "set option is required and must be non-negative");
1087 return -1;
1088 }
1089
1090 #ifdef F_DUPFD_CLOEXEC
1091 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1092 #else
1093 dupfd = dup(fd);
1094 if (dupfd != -1) {
1095 qemu_set_cloexec(dupfd);
1096 }
1097 #endif
1098 if (dupfd == -1) {
1099 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1100 "Error duplicating fd: %s", strerror(errno));
1101 return -1;
1102 }
1103
1104 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1105 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1106 fd_opaque, NULL);
1107
1108 return 0;
1109 }
1110
1111 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1112 {
1113 int fd;
1114
1115 fd = qemu_opt_get_number(opts, "fd", -1);
1116 close(fd);
1117
1118 return 0;
1119 }
1120 #endif
1121
1122 /***********************************************************/
1123 /* QEMU Block devices */
1124
1125 #define HD_OPTS "media=disk"
1126 #define CDROM_OPTS "media=cdrom"
1127 #define FD_OPTS ""
1128 #define PFLASH_OPTS ""
1129 #define MTD_OPTS ""
1130 #define SD_OPTS ""
1131
1132 static int drive_init_func(QemuOpts *opts, void *opaque)
1133 {
1134 BlockInterfaceType *block_default_type = opaque;
1135
1136 return drive_init(opts, *block_default_type) == NULL;
1137 }
1138
1139 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1140 {
1141 if (NULL == qemu_opt_get(opts, "snapshot")) {
1142 qemu_opt_set(opts, "snapshot", "on");
1143 }
1144 return 0;
1145 }
1146
1147 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1148 int index, const char *optstr)
1149 {
1150 QemuOpts *opts;
1151
1152 if (!enable || drive_get_by_index(type, index)) {
1153 return;
1154 }
1155
1156 opts = drive_add(type, index, NULL, optstr);
1157 if (snapshot) {
1158 drive_enable_snapshot(opts, NULL);
1159 }
1160 if (!drive_init(opts, type)) {
1161 exit(1);
1162 }
1163 }
1164
1165 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1166 {
1167 boot_set_handler = func;
1168 boot_set_opaque = opaque;
1169 }
1170
1171 int qemu_boot_set(const char *boot_order)
1172 {
1173 if (!boot_set_handler) {
1174 return -EINVAL;
1175 }
1176 return boot_set_handler(boot_set_opaque, boot_order);
1177 }
1178
1179 static void validate_bootdevices(const char *devices)
1180 {
1181 /* We just do some generic consistency checks */
1182 const char *p;
1183 int bitmap = 0;
1184
1185 for (p = devices; *p != '\0'; p++) {
1186 /* Allowed boot devices are:
1187 * a-b: floppy disk drives
1188 * c-f: IDE disk drives
1189 * g-m: machine implementation dependent drives
1190 * n-p: network devices
1191 * It's up to each machine implementation to check if the given boot
1192 * devices match the actual hardware implementation and firmware
1193 * features.
1194 */
1195 if (*p < 'a' || *p > 'p') {
1196 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1197 exit(1);
1198 }
1199 if (bitmap & (1 << (*p - 'a'))) {
1200 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1201 exit(1);
1202 }
1203 bitmap |= 1 << (*p - 'a');
1204 }
1205 }
1206
1207 static void restore_boot_order(void *opaque)
1208 {
1209 char *normal_boot_order = opaque;
1210 static int first = 1;
1211
1212 /* Restore boot order and remove ourselves after the first boot */
1213 if (first) {
1214 first = 0;
1215 return;
1216 }
1217
1218 qemu_boot_set(normal_boot_order);
1219
1220 qemu_unregister_reset(restore_boot_order, normal_boot_order);
1221 g_free(normal_boot_order);
1222 }
1223
1224 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
1225 const char *suffix)
1226 {
1227 FWBootEntry *node, *i;
1228
1229 if (bootindex < 0) {
1230 return;
1231 }
1232
1233 assert(dev != NULL || suffix != NULL);
1234
1235 node = g_malloc0(sizeof(FWBootEntry));
1236 node->bootindex = bootindex;
1237 node->suffix = g_strdup(suffix);
1238 node->dev = dev;
1239
1240 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1241 if (i->bootindex == bootindex) {
1242 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1243 exit(1);
1244 } else if (i->bootindex < bootindex) {
1245 continue;
1246 }
1247 QTAILQ_INSERT_BEFORE(i, node, link);
1248 return;
1249 }
1250 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1251 }
1252
1253 DeviceState *get_boot_device(uint32_t position)
1254 {
1255 uint32_t counter = 0;
1256 FWBootEntry *i = NULL;
1257 DeviceState *res = NULL;
1258
1259 if (!QTAILQ_EMPTY(&fw_boot_order)) {
1260 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1261 if (counter == position) {
1262 res = i->dev;
1263 break;
1264 }
1265 counter++;
1266 }
1267 }
1268 return res;
1269 }
1270
1271 /*
1272 * This function returns null terminated string that consist of new line
1273 * separated device paths.
1274 *
1275 * memory pointed by "size" is assigned total length of the array in bytes
1276 *
1277 */
1278 char *get_boot_devices_list(size_t *size)
1279 {
1280 FWBootEntry *i;
1281 size_t total = 0;
1282 char *list = NULL;
1283
1284 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1285 char *devpath = NULL, *bootpath;
1286 size_t len;
1287
1288 if (i->dev) {
1289 devpath = qdev_get_fw_dev_path(i->dev);
1290 assert(devpath);
1291 }
1292
1293 if (i->suffix && devpath) {
1294 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1295
1296 bootpath = g_malloc(bootpathlen);
1297 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1298 g_free(devpath);
1299 } else if (devpath) {
1300 bootpath = devpath;
1301 } else {
1302 assert(i->suffix);
1303 bootpath = g_strdup(i->suffix);
1304 }
1305
1306 if (total) {
1307 list[total-1] = '\n';
1308 }
1309 len = strlen(bootpath) + 1;
1310 list = g_realloc(list, total + len);
1311 memcpy(&list[total], bootpath, len);
1312 total += len;
1313 g_free(bootpath);
1314 }
1315
1316 *size = total;
1317
1318 if (boot_strict && *size > 0) {
1319 list[total-1] = '\n';
1320 list = g_realloc(list, total + 5);
1321 memcpy(&list[total], "HALT", 5);
1322 *size = total + 5;
1323 }
1324 return list;
1325 }
1326
1327 static void numa_node_parse_cpus(int nodenr, const char *cpus)
1328 {
1329 char *endptr;
1330 unsigned long long value, endvalue;
1331
1332 /* Empty CPU range strings will be considered valid, they will simply
1333 * not set any bit in the CPU bitmap.
1334 */
1335 if (!*cpus) {
1336 return;
1337 }
1338
1339 if (parse_uint(cpus, &value, &endptr, 10) < 0) {
1340 goto error;
1341 }
1342 if (*endptr == '-') {
1343 if (parse_uint_full(endptr + 1, &endvalue, 10) < 0) {
1344 goto error;
1345 }
1346 } else if (*endptr == '\0') {
1347 endvalue = value;
1348 } else {
1349 goto error;
1350 }
1351
1352 if (endvalue >= MAX_CPUMASK_BITS) {
1353 endvalue = MAX_CPUMASK_BITS - 1;
1354 fprintf(stderr,
1355 "qemu: NUMA: A max of %d VCPUs are supported\n",
1356 MAX_CPUMASK_BITS);
1357 }
1358
1359 if (endvalue < value) {
1360 goto error;
1361 }
1362
1363 bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
1364 return;
1365
1366 error:
1367 fprintf(stderr, "qemu: Invalid NUMA CPU range: %s\n", cpus);
1368 exit(1);
1369 }
1370
1371 static void numa_add(const char *optarg)
1372 {
1373 char option[128];
1374 char *endptr;
1375 unsigned long long nodenr;
1376
1377 optarg = get_opt_name(option, 128, optarg, ',');
1378 if (*optarg == ',') {
1379 optarg++;
1380 }
1381 if (!strcmp(option, "node")) {
1382
1383 if (nb_numa_nodes >= MAX_NODES) {
1384 fprintf(stderr, "qemu: too many NUMA nodes\n");
1385 exit(1);
1386 }
1387
1388 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1389 nodenr = nb_numa_nodes;
1390 } else {
1391 if (parse_uint_full(option, &nodenr, 10) < 0) {
1392 fprintf(stderr, "qemu: Invalid NUMA nodeid: %s\n", option);
1393 exit(1);
1394 }
1395 }
1396
1397 if (nodenr >= MAX_NODES) {
1398 fprintf(stderr, "qemu: invalid NUMA nodeid: %llu\n", nodenr);
1399 exit(1);
1400 }
1401
1402 if (get_param_value(option, 128, "mem", optarg) == 0) {
1403 node_mem[nodenr] = 0;
1404 } else {
1405 int64_t sval;
1406 sval = strtosz(option, &endptr);
1407 if (sval < 0 || *endptr) {
1408 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
1409 exit(1);
1410 }
1411 node_mem[nodenr] = sval;
1412 }
1413 if (get_param_value(option, 128, "cpus", optarg) != 0) {
1414 numa_node_parse_cpus(nodenr, option);
1415 }
1416 nb_numa_nodes++;
1417 } else {
1418 fprintf(stderr, "Invalid -numa option: %s\n", option);
1419 exit(1);
1420 }
1421 }
1422
1423 static QemuOptsList qemu_smp_opts = {
1424 .name = "smp-opts",
1425 .implied_opt_name = "cpus",
1426 .merge_lists = true,
1427 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1428 .desc = {
1429 {
1430 .name = "cpus",
1431 .type = QEMU_OPT_NUMBER,
1432 }, {
1433 .name = "sockets",
1434 .type = QEMU_OPT_NUMBER,
1435 }, {
1436 .name = "cores",
1437 .type = QEMU_OPT_NUMBER,
1438 }, {
1439 .name = "threads",
1440 .type = QEMU_OPT_NUMBER,
1441 }, {
1442 .name = "maxcpus",
1443 .type = QEMU_OPT_NUMBER,
1444 },
1445 { /*End of list */ }
1446 },
1447 };
1448
1449 static void smp_parse(QemuOpts *opts)
1450 {
1451 if (opts) {
1452
1453 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1454 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1455 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1456 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1457
1458 /* compute missing values, prefer sockets over cores over threads */
1459 if (cpus == 0 || sockets == 0) {
1460 sockets = sockets > 0 ? sockets : 1;
1461 cores = cores > 0 ? cores : 1;
1462 threads = threads > 0 ? threads : 1;
1463 if (cpus == 0) {
1464 cpus = cores * threads * sockets;
1465 }
1466 } else {
1467 if (cores == 0) {
1468 threads = threads > 0 ? threads : 1;
1469 cores = cpus / (sockets * threads);
1470 } else {
1471 threads = cpus / (cores * sockets);
1472 }
1473 }
1474
1475 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1476
1477 smp_cpus = cpus;
1478 smp_cores = cores > 0 ? cores : 1;
1479 smp_threads = threads > 0 ? threads : 1;
1480
1481 }
1482
1483 if (max_cpus == 0) {
1484 max_cpus = smp_cpus;
1485 }
1486
1487 if (max_cpus > 255) {
1488 fprintf(stderr, "Unsupported number of maxcpus\n");
1489 exit(1);
1490 }
1491 if (max_cpus < smp_cpus) {
1492 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1493 exit(1);
1494 }
1495
1496 }
1497
1498 static void configure_realtime(QemuOpts *opts)
1499 {
1500 bool enable_mlock;
1501
1502 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
1503
1504 if (enable_mlock) {
1505 if (os_mlock() < 0) {
1506 fprintf(stderr, "qemu: locking memory failed\n");
1507 exit(1);
1508 }
1509 }
1510 }
1511
1512 /***********************************************************/
1513 /* USB devices */
1514
1515 static int usb_device_add(const char *devname)
1516 {
1517 const char *p;
1518 USBDevice *dev = NULL;
1519
1520 if (!usb_enabled(false)) {
1521 return -1;
1522 }
1523
1524 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1525 dev = usbdevice_create(devname);
1526 if (dev)
1527 goto done;
1528
1529 /* the other ones */
1530 #ifndef CONFIG_LINUX
1531 /* only the linux version is qdev-ified, usb-bsd still needs this */
1532 if (strstart(devname, "host:", &p)) {
1533 dev = usb_host_device_open(usb_bus_find(-1), p);
1534 } else
1535 #endif
1536 if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1537 dev = usb_bt_init(usb_bus_find(-1),
1538 devname[2] ? hci_init(p)
1539 : bt_new_hci(qemu_find_bt_vlan(0)));
1540 } else {
1541 return -1;
1542 }
1543 if (!dev)
1544 return -1;
1545
1546 done:
1547 return 0;
1548 }
1549
1550 static int usb_device_del(const char *devname)
1551 {
1552 int bus_num, addr;
1553 const char *p;
1554
1555 if (strstart(devname, "host:", &p)) {
1556 return -1;
1557 }
1558
1559 if (!usb_enabled(false)) {
1560 return -1;
1561 }
1562
1563 p = strchr(devname, '.');
1564 if (!p)
1565 return -1;
1566 bus_num = strtoul(devname, NULL, 0);
1567 addr = strtoul(p + 1, NULL, 0);
1568
1569 return usb_device_delete_addr(bus_num, addr);
1570 }
1571
1572 static int usb_parse(const char *cmdline)
1573 {
1574 int r;
1575 r = usb_device_add(cmdline);
1576 if (r < 0) {
1577 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1578 }
1579 return r;
1580 }
1581
1582 void do_usb_add(Monitor *mon, const QDict *qdict)
1583 {
1584 const char *devname = qdict_get_str(qdict, "devname");
1585 if (usb_device_add(devname) < 0) {
1586 error_report("could not add USB device '%s'", devname);
1587 }
1588 }
1589
1590 void do_usb_del(Monitor *mon, const QDict *qdict)
1591 {
1592 const char *devname = qdict_get_str(qdict, "devname");
1593 if (usb_device_del(devname) < 0) {
1594 error_report("could not delete USB device '%s'", devname);
1595 }
1596 }
1597
1598 /***********************************************************/
1599 /* PCMCIA/Cardbus */
1600
1601 static struct pcmcia_socket_entry_s {
1602 PCMCIASocket *socket;
1603 struct pcmcia_socket_entry_s *next;
1604 } *pcmcia_sockets = 0;
1605
1606 void pcmcia_socket_register(PCMCIASocket *socket)
1607 {
1608 struct pcmcia_socket_entry_s *entry;
1609
1610 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1611 entry->socket = socket;
1612 entry->next = pcmcia_sockets;
1613 pcmcia_sockets = entry;
1614 }
1615
1616 void pcmcia_socket_unregister(PCMCIASocket *socket)
1617 {
1618 struct pcmcia_socket_entry_s *entry, **ptr;
1619
1620 ptr = &pcmcia_sockets;
1621 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1622 if (entry->socket == socket) {
1623 *ptr = entry->next;
1624 g_free(entry);
1625 }
1626 }
1627
1628 void pcmcia_info(Monitor *mon, const QDict *qdict)
1629 {
1630 struct pcmcia_socket_entry_s *iter;
1631
1632 if (!pcmcia_sockets)
1633 monitor_printf(mon, "No PCMCIA sockets\n");
1634
1635 for (iter = pcmcia_sockets; iter; iter = iter->next)
1636 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1637 iter->socket->attached ? iter->socket->card_string :
1638 "Empty");
1639 }
1640
1641 /***********************************************************/
1642 /* machine registration */
1643
1644 static QEMUMachine *first_machine = NULL;
1645 QEMUMachine *current_machine = NULL;
1646
1647 int qemu_register_machine(QEMUMachine *m)
1648 {
1649 QEMUMachine **pm;
1650 pm = &first_machine;
1651 while (*pm != NULL)
1652 pm = &(*pm)->next;
1653 m->next = NULL;
1654 *pm = m;
1655 return 0;
1656 }
1657
1658 static QEMUMachine *find_machine(const char *name)
1659 {
1660 QEMUMachine *m;
1661
1662 for(m = first_machine; m != NULL; m = m->next) {
1663 if (!strcmp(m->name, name))
1664 return m;
1665 if (m->alias && !strcmp(m->alias, name))
1666 return m;
1667 }
1668 return NULL;
1669 }
1670
1671 QEMUMachine *find_default_machine(void)
1672 {
1673 QEMUMachine *m;
1674
1675 for(m = first_machine; m != NULL; m = m->next) {
1676 if (m->is_default) {
1677 return m;
1678 }
1679 }
1680 return NULL;
1681 }
1682
1683 MachineInfoList *qmp_query_machines(Error **errp)
1684 {
1685 MachineInfoList *mach_list = NULL;
1686 QEMUMachine *m;
1687
1688 for (m = first_machine; m; m = m->next) {
1689 MachineInfoList *entry;
1690 MachineInfo *info;
1691
1692 info = g_malloc0(sizeof(*info));
1693 if (m->is_default) {
1694 info->has_is_default = true;
1695 info->is_default = true;
1696 }
1697
1698 if (m->alias) {
1699 info->has_alias = true;
1700 info->alias = g_strdup(m->alias);
1701 }
1702
1703 info->name = g_strdup(m->name);
1704 info->cpu_max = !m->max_cpus ? 1 : m->max_cpus;
1705
1706 entry = g_malloc0(sizeof(*entry));
1707 entry->value = info;
1708 entry->next = mach_list;
1709 mach_list = entry;
1710 }
1711
1712 return mach_list;
1713 }
1714
1715 /***********************************************************/
1716 /* main execution loop */
1717
1718 struct vm_change_state_entry {
1719 VMChangeStateHandler *cb;
1720 void *opaque;
1721 QLIST_ENTRY (vm_change_state_entry) entries;
1722 };
1723
1724 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1725
1726 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1727 void *opaque)
1728 {
1729 VMChangeStateEntry *e;
1730
1731 e = g_malloc0(sizeof (*e));
1732
1733 e->cb = cb;
1734 e->opaque = opaque;
1735 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1736 return e;
1737 }
1738
1739 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1740 {
1741 QLIST_REMOVE (e, entries);
1742 g_free (e);
1743 }
1744
1745 void vm_state_notify(int running, RunState state)
1746 {
1747 VMChangeStateEntry *e;
1748
1749 trace_vm_state_notify(running, state);
1750
1751 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1752 e->cb(e->opaque, running, state);
1753 }
1754 }
1755
1756 void vm_start(void)
1757 {
1758 if (!runstate_is_running()) {
1759 cpu_enable_ticks();
1760 runstate_set(RUN_STATE_RUNNING);
1761 vm_state_notify(1, RUN_STATE_RUNNING);
1762 resume_all_vcpus();
1763 monitor_protocol_event(QEVENT_RESUME, NULL);
1764 }
1765 }
1766
1767 /* reset/shutdown handler */
1768
1769 typedef struct QEMUResetEntry {
1770 QTAILQ_ENTRY(QEMUResetEntry) entry;
1771 QEMUResetHandler *func;
1772 void *opaque;
1773 } QEMUResetEntry;
1774
1775 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1776 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1777 static int reset_requested;
1778 static int shutdown_requested, shutdown_signal = -1;
1779 static pid_t shutdown_pid;
1780 static int powerdown_requested;
1781 static int debug_requested;
1782 static int suspend_requested;
1783 static int wakeup_requested;
1784 static NotifierList powerdown_notifiers =
1785 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1786 static NotifierList suspend_notifiers =
1787 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1788 static NotifierList wakeup_notifiers =
1789 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1790 static uint32_t wakeup_reason_mask = ~0;
1791 static RunState vmstop_requested = RUN_STATE_MAX;
1792
1793 int qemu_shutdown_requested_get(void)
1794 {
1795 return shutdown_requested;
1796 }
1797
1798 int qemu_reset_requested_get(void)
1799 {
1800 return reset_requested;
1801 }
1802
1803 static int qemu_shutdown_requested(void)
1804 {
1805 int r = shutdown_requested;
1806 shutdown_requested = 0;
1807 return r;
1808 }
1809
1810 static void qemu_kill_report(void)
1811 {
1812 if (!qtest_enabled() && shutdown_signal != -1) {
1813 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1814 if (shutdown_pid == 0) {
1815 /* This happens for eg ^C at the terminal, so it's worth
1816 * avoiding printing an odd message in that case.
1817 */
1818 fputc('\n', stderr);
1819 } else {
1820 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1821 }
1822 shutdown_signal = -1;
1823 }
1824 }
1825
1826 static int qemu_reset_requested(void)
1827 {
1828 int r = reset_requested;
1829 reset_requested = 0;
1830 return r;
1831 }
1832
1833 static int qemu_suspend_requested(void)
1834 {
1835 int r = suspend_requested;
1836 suspend_requested = 0;
1837 return r;
1838 }
1839
1840 static int qemu_wakeup_requested(void)
1841 {
1842 int r = wakeup_requested;
1843 wakeup_requested = 0;
1844 return r;
1845 }
1846
1847 static int qemu_powerdown_requested(void)
1848 {
1849 int r = powerdown_requested;
1850 powerdown_requested = 0;
1851 return r;
1852 }
1853
1854 static int qemu_debug_requested(void)
1855 {
1856 int r = debug_requested;
1857 debug_requested = 0;
1858 return r;
1859 }
1860
1861 /* We use RUN_STATE_MAX but any invalid value will do */
1862 static bool qemu_vmstop_requested(RunState *r)
1863 {
1864 if (vmstop_requested < RUN_STATE_MAX) {
1865 *r = vmstop_requested;
1866 vmstop_requested = RUN_STATE_MAX;
1867 return true;
1868 }
1869
1870 return false;
1871 }
1872
1873 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1874 {
1875 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1876
1877 re->func = func;
1878 re->opaque = opaque;
1879 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1880 }
1881
1882 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1883 {
1884 QEMUResetEntry *re;
1885
1886 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1887 if (re->func == func && re->opaque == opaque) {
1888 QTAILQ_REMOVE(&reset_handlers, re, entry);
1889 g_free(re);
1890 return;
1891 }
1892 }
1893 }
1894
1895 void qemu_devices_reset(void)
1896 {
1897 QEMUResetEntry *re, *nre;
1898
1899 /* reset all devices */
1900 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1901 re->func(re->opaque);
1902 }
1903 }
1904
1905 void qemu_system_reset(bool report)
1906 {
1907 if (current_machine && current_machine->reset) {
1908 current_machine->reset();
1909 } else {
1910 qemu_devices_reset();
1911 }
1912 if (report) {
1913 monitor_protocol_event(QEVENT_RESET, NULL);
1914 }
1915 cpu_synchronize_all_post_reset();
1916 }
1917
1918 void qemu_system_reset_request(void)
1919 {
1920 if (no_reboot) {
1921 shutdown_requested = 1;
1922 } else {
1923 reset_requested = 1;
1924 }
1925 cpu_stop_current();
1926 qemu_notify_event();
1927 }
1928
1929 static void qemu_system_suspend(void)
1930 {
1931 pause_all_vcpus();
1932 notifier_list_notify(&suspend_notifiers, NULL);
1933 runstate_set(RUN_STATE_SUSPENDED);
1934 monitor_protocol_event(QEVENT_SUSPEND, NULL);
1935 }
1936
1937 void qemu_system_suspend_request(void)
1938 {
1939 if (runstate_check(RUN_STATE_SUSPENDED)) {
1940 return;
1941 }
1942 suspend_requested = 1;
1943 cpu_stop_current();
1944 qemu_notify_event();
1945 }
1946
1947 void qemu_register_suspend_notifier(Notifier *notifier)
1948 {
1949 notifier_list_add(&suspend_notifiers, notifier);
1950 }
1951
1952 void qemu_system_wakeup_request(WakeupReason reason)
1953 {
1954 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1955 return;
1956 }
1957 if (!(wakeup_reason_mask & (1 << reason))) {
1958 return;
1959 }
1960 runstate_set(RUN_STATE_RUNNING);
1961 notifier_list_notify(&wakeup_notifiers, &reason);
1962 wakeup_requested = 1;
1963 qemu_notify_event();
1964 }
1965
1966 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1967 {
1968 if (enabled) {
1969 wakeup_reason_mask |= (1 << reason);
1970 } else {
1971 wakeup_reason_mask &= ~(1 << reason);
1972 }
1973 }
1974
1975 void qemu_register_wakeup_notifier(Notifier *notifier)
1976 {
1977 notifier_list_add(&wakeup_notifiers, notifier);
1978 }
1979
1980 void qemu_system_killed(int signal, pid_t pid)
1981 {
1982 shutdown_signal = signal;
1983 shutdown_pid = pid;
1984 no_shutdown = 0;
1985 qemu_system_shutdown_request();
1986 }
1987
1988 void qemu_system_shutdown_request(void)
1989 {
1990 shutdown_requested = 1;
1991 qemu_notify_event();
1992 }
1993
1994 static void qemu_system_powerdown(void)
1995 {
1996 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1997 notifier_list_notify(&powerdown_notifiers, NULL);
1998 }
1999
2000 void qemu_system_powerdown_request(void)
2001 {
2002 powerdown_requested = 1;
2003 qemu_notify_event();
2004 }
2005
2006 void qemu_register_powerdown_notifier(Notifier *notifier)
2007 {
2008 notifier_list_add(&powerdown_notifiers, notifier);
2009 }
2010
2011 void qemu_system_debug_request(void)
2012 {
2013 debug_requested = 1;
2014 qemu_notify_event();
2015 }
2016
2017 void qemu_system_vmstop_request(RunState state)
2018 {
2019 vmstop_requested = state;
2020 qemu_notify_event();
2021 }
2022
2023 static bool main_loop_should_exit(void)
2024 {
2025 RunState r;
2026 if (qemu_debug_requested()) {
2027 vm_stop(RUN_STATE_DEBUG);
2028 }
2029 if (qemu_suspend_requested()) {
2030 qemu_system_suspend();
2031 }
2032 if (qemu_shutdown_requested()) {
2033 qemu_kill_report();
2034 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
2035 if (no_shutdown) {
2036 vm_stop(RUN_STATE_SHUTDOWN);
2037 } else {
2038 return true;
2039 }
2040 }
2041 if (qemu_reset_requested()) {
2042 pause_all_vcpus();
2043 cpu_synchronize_all_states();
2044 qemu_system_reset(VMRESET_REPORT);
2045 resume_all_vcpus();
2046 if (runstate_needs_reset()) {
2047 runstate_set(RUN_STATE_PAUSED);
2048 }
2049 }
2050 if (qemu_wakeup_requested()) {
2051 pause_all_vcpus();
2052 cpu_synchronize_all_states();
2053 qemu_system_reset(VMRESET_SILENT);
2054 resume_all_vcpus();
2055 monitor_protocol_event(QEVENT_WAKEUP, NULL);
2056 }
2057 if (qemu_powerdown_requested()) {
2058 qemu_system_powerdown();
2059 }
2060 if (qemu_vmstop_requested(&r)) {
2061 vm_stop(r);
2062 }
2063 return false;
2064 }
2065
2066 static void main_loop(void)
2067 {
2068 bool nonblocking;
2069 int last_io = 0;
2070 #ifdef CONFIG_PROFILER
2071 int64_t ti;
2072 #endif
2073 do {
2074 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
2075 #ifdef CONFIG_PROFILER
2076 ti = profile_getclock();
2077 #endif
2078 last_io = main_loop_wait(nonblocking);
2079 #ifdef CONFIG_PROFILER
2080 dev_time += profile_getclock() - ti;
2081 #endif
2082 } while (!main_loop_should_exit());
2083 }
2084
2085 static void version(void)
2086 {
2087 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
2088 }
2089
2090 static void help(int exitcode)
2091 {
2092 version();
2093 printf("usage: %s [options] [disk_image]\n\n"
2094 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2095 error_get_progname());
2096
2097 #define QEMU_OPTIONS_GENERATE_HELP
2098 #include "qemu-options-wrapper.h"
2099
2100 printf("\nDuring emulation, the following keys are useful:\n"
2101 "ctrl-alt-f toggle full screen\n"
2102 "ctrl-alt-n switch to virtual console 'n'\n"
2103 "ctrl-alt toggle mouse and keyboard grab\n"
2104 "\n"
2105 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2106
2107 exit(exitcode);
2108 }
2109
2110 #define HAS_ARG 0x0001
2111
2112 typedef struct QEMUOption {
2113 const char *name;
2114 int flags;
2115 int index;
2116 uint32_t arch_mask;
2117 } QEMUOption;
2118
2119 static const QEMUOption qemu_options[] = {
2120 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2121 #define QEMU_OPTIONS_GENERATE_OPTIONS
2122 #include "qemu-options-wrapper.h"
2123 { NULL },
2124 };
2125
2126 static bool vga_available(void)
2127 {
2128 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2129 }
2130
2131 static bool cirrus_vga_available(void)
2132 {
2133 return object_class_by_name("cirrus-vga")
2134 || object_class_by_name("isa-cirrus-vga");
2135 }
2136
2137 static bool vmware_vga_available(void)
2138 {
2139 return object_class_by_name("vmware-svga");
2140 }
2141
2142 static bool qxl_vga_available(void)
2143 {
2144 return object_class_by_name("qxl-vga");
2145 }
2146
2147 static void select_vgahw (const char *p)
2148 {
2149 const char *opts;
2150
2151 vga_interface_type = VGA_NONE;
2152 if (strstart(p, "std", &opts)) {
2153 if (vga_available()) {
2154 vga_interface_type = VGA_STD;
2155 } else {
2156 fprintf(stderr, "Error: standard VGA not available\n");
2157 exit(0);
2158 }
2159 } else if (strstart(p, "cirrus", &opts)) {
2160 if (cirrus_vga_available()) {
2161 vga_interface_type = VGA_CIRRUS;
2162 } else {
2163 fprintf(stderr, "Error: Cirrus VGA not available\n");
2164 exit(0);
2165 }
2166 } else if (strstart(p, "vmware", &opts)) {
2167 if (vmware_vga_available()) {
2168 vga_interface_type = VGA_VMWARE;
2169 } else {
2170 fprintf(stderr, "Error: VMWare SVGA not available\n");
2171 exit(0);
2172 }
2173 } else if (strstart(p, "xenfb", &opts)) {
2174 vga_interface_type = VGA_XENFB;
2175 } else if (strstart(p, "qxl", &opts)) {
2176 if (qxl_vga_available()) {
2177 vga_interface_type = VGA_QXL;
2178 } else {
2179 fprintf(stderr, "Error: QXL VGA not available\n");
2180 exit(0);
2181 }
2182 } else if (!strstart(p, "none", &opts)) {
2183 invalid_vga:
2184 fprintf(stderr, "Unknown vga type: %s\n", p);
2185 exit(1);
2186 }
2187 while (*opts) {
2188 const char *nextopt;
2189
2190 if (strstart(opts, ",retrace=", &nextopt)) {
2191 opts = nextopt;
2192 if (strstart(opts, "dumb", &nextopt))
2193 vga_retrace_method = VGA_RETRACE_DUMB;
2194 else if (strstart(opts, "precise", &nextopt))
2195 vga_retrace_method = VGA_RETRACE_PRECISE;
2196 else goto invalid_vga;
2197 } else goto invalid_vga;
2198 opts = nextopt;
2199 }
2200 }
2201
2202 static DisplayType select_display(const char *p)
2203 {
2204 const char *opts;
2205 DisplayType display = DT_DEFAULT;
2206
2207 if (strstart(p, "sdl", &opts)) {
2208 #ifdef CONFIG_SDL
2209 display = DT_SDL;
2210 while (*opts) {
2211 const char *nextopt;
2212
2213 if (strstart(opts, ",frame=", &nextopt)) {
2214 opts = nextopt;
2215 if (strstart(opts, "on", &nextopt)) {
2216 no_frame = 0;
2217 } else if (strstart(opts, "off", &nextopt)) {
2218 no_frame = 1;
2219 } else {
2220 goto invalid_sdl_args;
2221 }
2222 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2223 opts = nextopt;
2224 if (strstart(opts, "on", &nextopt)) {
2225 alt_grab = 1;
2226 } else if (strstart(opts, "off", &nextopt)) {
2227 alt_grab = 0;
2228 } else {
2229 goto invalid_sdl_args;
2230 }
2231 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2232 opts = nextopt;
2233 if (strstart(opts, "on", &nextopt)) {
2234 ctrl_grab = 1;
2235 } else if (strstart(opts, "off", &nextopt)) {
2236 ctrl_grab = 0;
2237 } else {
2238 goto invalid_sdl_args;
2239 }
2240 } else if (strstart(opts, ",window_close=", &nextopt)) {
2241 opts = nextopt;
2242 if (strstart(opts, "on", &nextopt)) {
2243 no_quit = 0;
2244 } else if (strstart(opts, "off", &nextopt)) {
2245 no_quit = 1;
2246 } else {
2247 goto invalid_sdl_args;
2248 }
2249 } else {
2250 invalid_sdl_args:
2251 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2252 exit(1);
2253 }
2254 opts = nextopt;
2255 }
2256 #else
2257 fprintf(stderr, "SDL support is disabled\n");
2258 exit(1);
2259 #endif
2260 } else if (strstart(p, "vnc", &opts)) {
2261 #ifdef CONFIG_VNC
2262 display_remote++;
2263
2264 if (*opts) {
2265 const char *nextopt;
2266
2267 if (strstart(opts, "=", &nextopt)) {
2268 vnc_display = nextopt;
2269 }
2270 }
2271 if (!vnc_display) {
2272 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2273 exit(1);
2274 }
2275 #else
2276 fprintf(stderr, "VNC support is disabled\n");
2277 exit(1);
2278 #endif
2279 } else if (strstart(p, "curses", &opts)) {
2280 #ifdef CONFIG_CURSES
2281 display = DT_CURSES;
2282 #else
2283 fprintf(stderr, "Curses support is disabled\n");
2284 exit(1);
2285 #endif
2286 } else if (strstart(p, "gtk", &opts)) {
2287 #ifdef CONFIG_GTK
2288 display = DT_GTK;
2289 #else
2290 fprintf(stderr, "GTK support is disabled\n");
2291 exit(1);
2292 #endif
2293 } else if (strstart(p, "none", &opts)) {
2294 display = DT_NONE;
2295 } else {
2296 fprintf(stderr, "Unknown display type: %s\n", p);
2297 exit(1);
2298 }
2299
2300 return display;
2301 }
2302
2303 static int balloon_parse(const char *arg)
2304 {
2305 QemuOpts *opts;
2306
2307 if (strcmp(arg, "none") == 0) {
2308 return 0;
2309 }
2310
2311 if (!strncmp(arg, "virtio", 6)) {
2312 if (arg[6] == ',') {
2313 /* have params -> parse them */
2314 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2315 if (!opts)
2316 return -1;
2317 } else {
2318 /* create empty opts */
2319 opts = qemu_opts_create_nofail(qemu_find_opts("device"));
2320 }
2321 qemu_opt_set(opts, "driver", "virtio-balloon");
2322 return 0;
2323 }
2324
2325 return -1;
2326 }
2327
2328 char *qemu_find_file(int type, const char *name)
2329 {
2330 int i;
2331 const char *subdir;
2332 char *buf;
2333
2334 /* Try the name as a straight path first */
2335 if (access(name, R_OK) == 0) {
2336 trace_load_file(name, name);
2337 return g_strdup(name);
2338 }
2339
2340 switch (type) {
2341 case QEMU_FILE_TYPE_BIOS:
2342 subdir = "";
2343 break;
2344 case QEMU_FILE_TYPE_KEYMAP:
2345 subdir = "keymaps/";
2346 break;
2347 default:
2348 abort();
2349 }
2350
2351 for (i = 0; i < data_dir_idx; i++) {
2352 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2353 if (access(buf, R_OK) == 0) {
2354 trace_load_file(name, buf);
2355 return buf;
2356 }
2357 g_free(buf);
2358 }
2359 return NULL;
2360 }
2361
2362 static int device_help_func(QemuOpts *opts, void *opaque)
2363 {
2364 return qdev_device_help(opts);
2365 }
2366
2367 static int device_init_func(QemuOpts *opts, void *opaque)
2368 {
2369 DeviceState *dev;
2370
2371 dev = qdev_device_add(opts);
2372 if (!dev)
2373 return -1;
2374 object_unref(OBJECT(dev));
2375 return 0;
2376 }
2377
2378 static int chardev_init_func(QemuOpts *opts, void *opaque)
2379 {
2380 Error *local_err = NULL;
2381
2382 qemu_chr_new_from_opts(opts, NULL, &local_err);
2383 if (error_is_set(&local_err)) {
2384 fprintf(stderr, "%s\n", error_get_pretty(local_err));
2385 error_free(local_err);
2386 return -1;
2387 }
2388 return 0;
2389 }
2390
2391 #ifdef CONFIG_VIRTFS
2392 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2393 {
2394 int ret;
2395 ret = qemu_fsdev_add(opts);
2396
2397 return ret;
2398 }
2399 #endif
2400
2401 static int mon_init_func(QemuOpts *opts, void *opaque)
2402 {
2403 CharDriverState *chr;
2404 const char *chardev;
2405 const char *mode;
2406 int flags;
2407
2408 mode = qemu_opt_get(opts, "mode");
2409 if (mode == NULL) {
2410 mode = "readline";
2411 }
2412 if (strcmp(mode, "readline") == 0) {
2413 flags = MONITOR_USE_READLINE;
2414 } else if (strcmp(mode, "control") == 0) {
2415 flags = MONITOR_USE_CONTROL;
2416 } else {
2417 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2418 exit(1);
2419 }
2420
2421 if (qemu_opt_get_bool(opts, "pretty", 0))
2422 flags |= MONITOR_USE_PRETTY;
2423
2424 if (qemu_opt_get_bool(opts, "default", 0))
2425 flags |= MONITOR_IS_DEFAULT;
2426
2427 chardev = qemu_opt_get(opts, "chardev");
2428 chr = qemu_chr_find(chardev);
2429 if (chr == NULL) {
2430 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2431 exit(1);
2432 }
2433
2434 qemu_chr_fe_claim_no_fail(chr);
2435 monitor_init(chr, flags);
2436 return 0;
2437 }
2438
2439 static void monitor_parse(const char *optarg, const char *mode)
2440 {
2441 static int monitor_device_index = 0;
2442 QemuOpts *opts;
2443 const char *p;
2444 char label[32];
2445 int def = 0;
2446
2447 if (strstart(optarg, "chardev:", &p)) {
2448 snprintf(label, sizeof(label), "%s", p);
2449 } else {
2450 snprintf(label, sizeof(label), "compat_monitor%d",
2451 monitor_device_index);
2452 if (monitor_device_index == 0) {
2453 def = 1;
2454 }
2455 opts = qemu_chr_parse_compat(label, optarg);
2456 if (!opts) {
2457 fprintf(stderr, "parse error: %s\n", optarg);
2458 exit(1);
2459 }
2460 }
2461
2462 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2463 if (!opts) {
2464 fprintf(stderr, "duplicate chardev: %s\n", label);
2465 exit(1);
2466 }
2467 qemu_opt_set(opts, "mode", mode);
2468 qemu_opt_set(opts, "chardev", label);
2469 if (def)
2470 qemu_opt_set(opts, "default", "on");
2471 monitor_device_index++;
2472 }
2473
2474 struct device_config {
2475 enum {
2476 DEV_USB, /* -usbdevice */
2477 DEV_BT, /* -bt */
2478 DEV_SERIAL, /* -serial */
2479 DEV_PARALLEL, /* -parallel */
2480 DEV_VIRTCON, /* -virtioconsole */
2481 DEV_DEBUGCON, /* -debugcon */
2482 DEV_GDB, /* -gdb, -s */
2483 DEV_SCLP, /* s390 sclp */
2484 } type;
2485 const char *cmdline;
2486 Location loc;
2487 QTAILQ_ENTRY(device_config) next;
2488 };
2489
2490 static QTAILQ_HEAD(, device_config) device_configs =
2491 QTAILQ_HEAD_INITIALIZER(device_configs);
2492
2493 static void add_device_config(int type, const char *cmdline)
2494 {
2495 struct device_config *conf;
2496
2497 conf = g_malloc0(sizeof(*conf));
2498 conf->type = type;
2499 conf->cmdline = cmdline;
2500 loc_save(&conf->loc);
2501 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2502 }
2503
2504 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2505 {
2506 struct device_config *conf;
2507 int rc;
2508
2509 QTAILQ_FOREACH(conf, &device_configs, next) {
2510 if (conf->type != type)
2511 continue;
2512 loc_push_restore(&conf->loc);
2513 rc = func(conf->cmdline);
2514 loc_pop(&conf->loc);
2515 if (0 != rc)
2516 return rc;
2517 }
2518 return 0;
2519 }
2520
2521 static int serial_parse(const char *devname)
2522 {
2523 static int index = 0;
2524 char label[32];
2525
2526 if (strcmp(devname, "none") == 0)
2527 return 0;
2528 if (index == MAX_SERIAL_PORTS) {
2529 fprintf(stderr, "qemu: too many serial ports\n");
2530 exit(1);
2531 }
2532 snprintf(label, sizeof(label), "serial%d", index);
2533 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2534 if (!serial_hds[index]) {
2535 fprintf(stderr, "qemu: could not connect serial device"
2536 " to character backend '%s'\n", devname);
2537 return -1;
2538 }
2539 index++;
2540 return 0;
2541 }
2542
2543 static int parallel_parse(const char *devname)
2544 {
2545 static int index = 0;
2546 char label[32];
2547
2548 if (strcmp(devname, "none") == 0)
2549 return 0;
2550 if (index == MAX_PARALLEL_PORTS) {
2551 fprintf(stderr, "qemu: too many parallel ports\n");
2552 exit(1);
2553 }
2554 snprintf(label, sizeof(label), "parallel%d", index);
2555 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2556 if (!parallel_hds[index]) {
2557 fprintf(stderr, "qemu: could not connect parallel device"
2558 " to character backend '%s'\n", devname);
2559 return -1;
2560 }
2561 index++;
2562 return 0;
2563 }
2564
2565 static int virtcon_parse(const char *devname)
2566 {
2567 QemuOptsList *device = qemu_find_opts("device");
2568 static int index = 0;
2569 char label[32];
2570 QemuOpts *bus_opts, *dev_opts;
2571
2572 if (strcmp(devname, "none") == 0)
2573 return 0;
2574 if (index == MAX_VIRTIO_CONSOLES) {
2575 fprintf(stderr, "qemu: too many virtio consoles\n");
2576 exit(1);
2577 }
2578
2579 bus_opts = qemu_opts_create_nofail(device);
2580 if (arch_type == QEMU_ARCH_S390X) {
2581 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2582 } else {
2583 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2584 }
2585
2586 dev_opts = qemu_opts_create_nofail(device);
2587 qemu_opt_set(dev_opts, "driver", "virtconsole");
2588
2589 snprintf(label, sizeof(label), "virtcon%d", index);
2590 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2591 if (!virtcon_hds[index]) {
2592 fprintf(stderr, "qemu: could not connect virtio console"
2593 " to character backend '%s'\n", devname);
2594 return -1;
2595 }
2596 qemu_opt_set(dev_opts, "chardev", label);
2597
2598 index++;
2599 return 0;
2600 }
2601
2602 static int sclp_parse(const char *devname)
2603 {
2604 QemuOptsList *device = qemu_find_opts("device");
2605 static int index = 0;
2606 char label[32];
2607 QemuOpts *dev_opts;
2608
2609 if (strcmp(devname, "none") == 0) {
2610 return 0;
2611 }
2612 if (index == MAX_SCLP_CONSOLES) {
2613 fprintf(stderr, "qemu: too many sclp consoles\n");
2614 exit(1);
2615 }
2616
2617 assert(arch_type == QEMU_ARCH_S390X);
2618
2619 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2620 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2621
2622 snprintf(label, sizeof(label), "sclpcon%d", index);
2623 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2624 if (!sclp_hds[index]) {
2625 fprintf(stderr, "qemu: could not connect sclp console"
2626 " to character backend '%s'\n", devname);
2627 return -1;
2628 }
2629 qemu_opt_set(dev_opts, "chardev", label);
2630
2631 index++;
2632 return 0;
2633 }
2634
2635 static int debugcon_parse(const char *devname)
2636 {
2637 QemuOpts *opts;
2638
2639 if (!qemu_chr_new("debugcon", devname, NULL)) {
2640 exit(1);
2641 }
2642 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2643 if (!opts) {
2644 fprintf(stderr, "qemu: already have a debugcon device\n");
2645 exit(1);
2646 }
2647 qemu_opt_set(opts, "driver", "isa-debugcon");
2648 qemu_opt_set(opts, "chardev", "debugcon");
2649 return 0;
2650 }
2651
2652 static QEMUMachine *machine_parse(const char *name)
2653 {
2654 QEMUMachine *m, *machine = NULL;
2655
2656 if (name) {
2657 machine = find_machine(name);
2658 }
2659 if (machine) {
2660 return machine;
2661 }
2662 printf("Supported machines are:\n");
2663 for (m = first_machine; m != NULL; m = m->next) {
2664 if (m->alias) {
2665 printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2666 }
2667 printf("%-20s %s%s\n", m->name, m->desc,
2668 m->is_default ? " (default)" : "");
2669 }
2670 exit(!name || !is_help_option(name));
2671 }
2672
2673 static int tcg_init(void)
2674 {
2675 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2676 return 0;
2677 }
2678
2679 static struct {
2680 const char *opt_name;
2681 const char *name;
2682 int (*available)(void);
2683 int (*init)(void);
2684 bool *allowed;
2685 } accel_list[] = {
2686 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2687 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2688 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2689 { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2690 };
2691
2692 static int configure_accelerator(void)
2693 {
2694 const char *p;
2695 char buf[10];
2696 int i, ret;
2697 bool accel_initialised = false;
2698 bool init_failed = false;
2699
2700 p = qemu_opt_get(qemu_get_machine_opts(), "accel");
2701 if (p == NULL) {
2702 /* Use the default "accelerator", tcg */
2703 p = "tcg";
2704 }
2705
2706 while (!accel_initialised && *p != '\0') {
2707 if (*p == ':') {
2708 p++;
2709 }
2710 p = get_opt_name(buf, sizeof (buf), p, ':');
2711 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2712 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2713 if (!accel_list[i].available()) {
2714 printf("%s not supported for this target\n",
2715 accel_list[i].name);
2716 continue;
2717 }
2718 *(accel_list[i].allowed) = true;
2719 ret = accel_list[i].init();
2720 if (ret < 0) {
2721 init_failed = true;
2722 fprintf(stderr, "failed to initialize %s: %s\n",
2723 accel_list[i].name,
2724 strerror(-ret));
2725 *(accel_list[i].allowed) = false;
2726 } else {
2727 accel_initialised = true;
2728 }
2729 break;
2730 }
2731 }
2732 if (i == ARRAY_SIZE(accel_list)) {
2733 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2734 }
2735 }
2736
2737 if (!accel_initialised) {
2738 if (!init_failed) {
2739 fprintf(stderr, "No accelerator found!\n");
2740 }
2741 exit(1);
2742 }
2743
2744 if (init_failed) {
2745 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2746 }
2747
2748 return !accel_initialised;
2749 }
2750
2751 void qemu_add_exit_notifier(Notifier *notify)
2752 {
2753 notifier_list_add(&exit_notifiers, notify);
2754 }
2755
2756 void qemu_remove_exit_notifier(Notifier *notify)
2757 {
2758 notifier_remove(notify);
2759 }
2760
2761 static void qemu_run_exit_notifiers(void)
2762 {
2763 notifier_list_notify(&exit_notifiers, NULL);
2764 }
2765
2766 void qemu_add_machine_init_done_notifier(Notifier *notify)
2767 {
2768 notifier_list_add(&machine_init_done_notifiers, notify);
2769 }
2770
2771 static void qemu_run_machine_init_done_notifiers(void)
2772 {
2773 notifier_list_notify(&machine_init_done_notifiers, NULL);
2774 }
2775
2776 static const QEMUOption *lookup_opt(int argc, char **argv,
2777 const char **poptarg, int *poptind)
2778 {
2779 const QEMUOption *popt;
2780 int optind = *poptind;
2781 char *r = argv[optind];
2782 const char *optarg;
2783
2784 loc_set_cmdline(argv, optind, 1);
2785 optind++;
2786 /* Treat --foo the same as -foo. */
2787 if (r[1] == '-')
2788 r++;
2789 popt = qemu_options;
2790 for(;;) {
2791 if (!popt->name) {
2792 error_report("invalid option");
2793 exit(1);
2794 }
2795 if (!strcmp(popt->name, r + 1))
2796 break;
2797 popt++;
2798 }
2799 if (popt->flags & HAS_ARG) {
2800 if (optind >= argc) {
2801 error_report("requires an argument");
2802 exit(1);
2803 }
2804 optarg = argv[optind++];
2805 loc_set_cmdline(argv, optind - 2, 2);
2806 } else {
2807 optarg = NULL;
2808 }
2809
2810 *poptarg = optarg;
2811 *poptind = optind;
2812
2813 return popt;
2814 }
2815
2816 static gpointer malloc_and_trace(gsize n_bytes)
2817 {
2818 void *ptr = malloc(n_bytes);
2819 trace_g_malloc(n_bytes, ptr);
2820 return ptr;
2821 }
2822
2823 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2824 {
2825 void *ptr = realloc(mem, n_bytes);
2826 trace_g_realloc(mem, n_bytes, ptr);
2827 return ptr;
2828 }
2829
2830 static void free_and_trace(gpointer mem)
2831 {
2832 trace_g_free(mem);
2833 free(mem);
2834 }
2835
2836 static int object_set_property(const char *name, const char *value, void *opaque)
2837 {
2838 Object *obj = OBJECT(opaque);
2839 StringInputVisitor *siv;
2840 Error *local_err = NULL;
2841
2842 if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0) {
2843 return 0;
2844 }
2845
2846 siv = string_input_visitor_new(value);
2847 object_property_set(obj, string_input_get_visitor(siv), name, &local_err);
2848 string_input_visitor_cleanup(siv);
2849
2850 if (local_err) {
2851 qerror_report_err(local_err);
2852 error_free(local_err);
2853 return -1;
2854 }
2855
2856 return 0;
2857 }
2858
2859 static int object_create(QemuOpts *opts, void *opaque)
2860 {
2861 const char *type = qemu_opt_get(opts, "qom-type");
2862 const char *id = qemu_opts_id(opts);
2863 Object *obj;
2864
2865 g_assert(type != NULL);
2866
2867 if (id == NULL) {
2868 qerror_report(QERR_MISSING_PARAMETER, "id");
2869 return -1;
2870 }
2871
2872 obj = object_new(type);
2873 if (qemu_opt_foreach(opts, object_set_property, obj, 1) < 0) {
2874 return -1;
2875 }
2876
2877 object_property_add_child(container_get(object_get_root(), "/objects"),
2878 id, obj, NULL);
2879
2880 return 0;
2881 }
2882
2883 int main(int argc, char **argv, char **envp)
2884 {
2885 int i;
2886 int snapshot, linux_boot;
2887 const char *icount_option = NULL;
2888 const char *initrd_filename;
2889 const char *kernel_filename, *kernel_cmdline;
2890 const char *boot_order = NULL;
2891 DisplayState *ds;
2892 int cyls, heads, secs, translation;
2893 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2894 QemuOptsList *olist;
2895 int optind;
2896 const char *optarg;
2897 const char *loadvm = NULL;
2898 QEMUMachine *machine;
2899 const char *cpu_model;
2900 const char *vga_model = "none";
2901 const char *pid_file = NULL;
2902 const char *incoming = NULL;
2903 #ifdef CONFIG_VNC
2904 int show_vnc_port = 0;
2905 #endif
2906 bool defconfig = true;
2907 bool userconfig = true;
2908 const char *log_mask = NULL;
2909 const char *log_file = NULL;
2910 GMemVTable mem_trace = {
2911 .malloc = malloc_and_trace,
2912 .realloc = realloc_and_trace,
2913 .free = free_and_trace,
2914 };
2915 const char *trace_events = NULL;
2916 const char *trace_file = NULL;
2917
2918 atexit(qemu_run_exit_notifiers);
2919 error_set_progname(argv[0]);
2920
2921 g_mem_set_vtable(&mem_trace);
2922 if (!g_thread_supported()) {
2923 #if !GLIB_CHECK_VERSION(2, 31, 0)
2924 g_thread_init(NULL);
2925 #else
2926 fprintf(stderr, "glib threading failed to initialize.\n");
2927 exit(1);
2928 #endif
2929 }
2930
2931 module_call_init(MODULE_INIT_QOM);
2932
2933 qemu_add_opts(&qemu_drive_opts);
2934 qemu_add_opts(&qemu_chardev_opts);
2935 qemu_add_opts(&qemu_device_opts);
2936 qemu_add_opts(&qemu_netdev_opts);
2937 qemu_add_opts(&qemu_net_opts);
2938 qemu_add_opts(&qemu_rtc_opts);
2939 qemu_add_opts(&qemu_global_opts);
2940 qemu_add_opts(&qemu_mon_opts);
2941 qemu_add_opts(&qemu_trace_opts);
2942 qemu_add_opts(&qemu_option_rom_opts);
2943 qemu_add_opts(&qemu_machine_opts);
2944 qemu_add_opts(&qemu_smp_opts);
2945 qemu_add_opts(&qemu_boot_opts);
2946 qemu_add_opts(&qemu_sandbox_opts);
2947 qemu_add_opts(&qemu_add_fd_opts);
2948 qemu_add_opts(&qemu_object_opts);
2949 qemu_add_opts(&qemu_tpmdev_opts);
2950 qemu_add_opts(&qemu_realtime_opts);
2951
2952 runstate_init();
2953
2954 init_clocks();
2955 rtc_clock = host_clock;
2956
2957 qemu_cache_utils_init(envp);
2958
2959 QLIST_INIT (&vm_change_state_head);
2960 os_setup_early_signal_handling();
2961
2962 module_call_init(MODULE_INIT_MACHINE);
2963 machine = find_default_machine();
2964 cpu_model = NULL;
2965 ram_size = 0;
2966 snapshot = 0;
2967 cyls = heads = secs = 0;
2968 translation = BIOS_ATA_TRANSLATION_AUTO;
2969
2970 for (i = 0; i < MAX_NODES; i++) {
2971 node_mem[i] = 0;
2972 node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2973 }
2974
2975 nb_numa_nodes = 0;
2976 nb_nics = 0;
2977
2978 bdrv_init_with_whitelist();
2979
2980 autostart= 1;
2981
2982 /* first pass of option parsing */
2983 optind = 1;
2984 while (optind < argc) {
2985 if (argv[optind][0] != '-') {
2986 /* disk image */
2987 optind++;
2988 continue;
2989 } else {
2990 const QEMUOption *popt;
2991
2992 popt = lookup_opt(argc, argv, &optarg, &optind);
2993 switch (popt->index) {
2994 case QEMU_OPTION_nodefconfig:
2995 defconfig = false;
2996 break;
2997 case QEMU_OPTION_nouserconfig:
2998 userconfig = false;
2999 break;
3000 }
3001 }
3002 }
3003
3004 if (defconfig) {
3005 int ret;
3006 ret = qemu_read_default_config_files(userconfig);
3007 if (ret < 0) {
3008 exit(1);
3009 }
3010 }
3011
3012 /* second pass of option parsing */
3013 optind = 1;
3014 for(;;) {
3015 if (optind >= argc)
3016 break;
3017 if (argv[optind][0] != '-') {
3018 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3019 } else {
3020 const QEMUOption *popt;
3021
3022 popt = lookup_opt(argc, argv, &optarg, &optind);
3023 if (!(popt->arch_mask & arch_type)) {
3024 printf("Option %s not supported for this target\n", popt->name);
3025 exit(1);
3026 }
3027 switch(popt->index) {
3028 case QEMU_OPTION_M:
3029 machine = machine_parse(optarg);
3030 break;
3031 case QEMU_OPTION_no_kvm_irqchip: {
3032 olist = qemu_find_opts("machine");
3033 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
3034 break;
3035 }
3036 case QEMU_OPTION_cpu:
3037 /* hw initialization will check this */
3038 cpu_model = optarg;
3039 break;
3040 case QEMU_OPTION_hda:
3041 {
3042 char buf[256];
3043 if (cyls == 0)
3044 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3045 else
3046 snprintf(buf, sizeof(buf),
3047 "%s,cyls=%d,heads=%d,secs=%d%s",
3048 HD_OPTS , cyls, heads, secs,
3049 translation == BIOS_ATA_TRANSLATION_LBA ?
3050 ",trans=lba" :
3051 translation == BIOS_ATA_TRANSLATION_NONE ?
3052 ",trans=none" : "");
3053 drive_add(IF_DEFAULT, 0, optarg, buf);
3054 break;
3055 }
3056 case QEMU_OPTION_hdb:
3057 case QEMU_OPTION_hdc:
3058 case QEMU_OPTION_hdd:
3059 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3060 HD_OPTS);
3061 break;
3062 case QEMU_OPTION_drive:
3063 if (drive_def(optarg) == NULL) {
3064 exit(1);
3065 }
3066 break;
3067 case QEMU_OPTION_set:
3068 if (qemu_set_option(optarg) != 0)
3069 exit(1);
3070 break;
3071 case QEMU_OPTION_global:
3072 if (qemu_global_option(optarg) != 0)
3073 exit(1);
3074 break;
3075 case QEMU_OPTION_mtdblock:
3076 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3077 break;
3078 case QEMU_OPTION_sd:
3079 drive_add(IF_SD, -1, optarg, SD_OPTS);
3080 break;
3081 case QEMU_OPTION_pflash:
3082 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3083 break;
3084 case QEMU_OPTION_snapshot:
3085 snapshot = 1;
3086 break;
3087 case QEMU_OPTION_hdachs:
3088 {
3089 const char *p;
3090 p = optarg;
3091 cyls = strtol(p, (char **)&p, 0);
3092 if (cyls < 1 || cyls > 16383)
3093 goto chs_fail;
3094 if (*p != ',')
3095 goto chs_fail;
3096 p++;
3097 heads = strtol(p, (char **)&p, 0);
3098 if (heads < 1 || heads > 16)
3099 goto chs_fail;
3100 if (*p != ',')
3101 goto chs_fail;
3102 p++;
3103 secs = strtol(p, (char **)&p, 0);
3104 if (secs < 1 || secs > 63)
3105 goto chs_fail;
3106 if (*p == ',') {
3107 p++;
3108 if (!strcmp(p, "none"))
3109 translation = BIOS_ATA_TRANSLATION_NONE;
3110 else if (!strcmp(p, "lba"))
3111 translation = BIOS_ATA_TRANSLATION_LBA;
3112 else if (!strcmp(p, "auto"))
3113 translation = BIOS_ATA_TRANSLATION_AUTO;
3114 else
3115 goto chs_fail;
3116 } else if (*p != '\0') {
3117 chs_fail:
3118 fprintf(stderr, "qemu: invalid physical CHS format\n");
3119 exit(1);
3120 }
3121 if (hda_opts != NULL) {
3122 char num[16];
3123 snprintf(num, sizeof(num), "%d", cyls);
3124 qemu_opt_set(hda_opts, "cyls", num);
3125 snprintf(num, sizeof(num), "%d", heads);
3126 qemu_opt_set(hda_opts, "heads", num);
3127 snprintf(num, sizeof(num), "%d", secs);
3128 qemu_opt_set(hda_opts, "secs", num);
3129 if (translation == BIOS_ATA_TRANSLATION_LBA)
3130 qemu_opt_set(hda_opts, "trans", "lba");
3131 if (translation == BIOS_ATA_TRANSLATION_NONE)
3132 qemu_opt_set(hda_opts, "trans", "none");
3133 }
3134 }
3135 break;
3136 case QEMU_OPTION_numa:
3137 numa_add(optarg);
3138 break;
3139 case QEMU_OPTION_display:
3140 display_type = select_display(optarg);
3141 break;
3142 case QEMU_OPTION_nographic:
3143 display_type = DT_NOGRAPHIC;
3144 break;
3145 case QEMU_OPTION_curses:
3146 #ifdef CONFIG_CURSES
3147 display_type = DT_CURSES;
3148 #else
3149 fprintf(stderr, "Curses support is disabled\n");
3150 exit(1);
3151 #endif
3152 break;
3153 case QEMU_OPTION_portrait:
3154 graphic_rotate = 90;
3155 break;
3156 case QEMU_OPTION_rotate:
3157 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3158 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3159 graphic_rotate != 180 && graphic_rotate != 270) {
3160 fprintf(stderr,
3161 "qemu: only 90, 180, 270 deg rotation is available\n");
3162 exit(1);
3163 }
3164 break;
3165 case QEMU_OPTION_kernel:
3166 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3167 break;
3168 case QEMU_OPTION_initrd:
3169 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3170 break;
3171 case QEMU_OPTION_append:
3172 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3173 break;
3174 case QEMU_OPTION_dtb:
3175 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3176 break;
3177 case QEMU_OPTION_cdrom:
3178 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3179 break;
3180 case QEMU_OPTION_boot:
3181 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3182 if (!opts) {
3183 exit(1);
3184 }
3185 break;
3186 case QEMU_OPTION_fda:
3187 case QEMU_OPTION_fdb:
3188 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3189 optarg, FD_OPTS);
3190 break;
3191 case QEMU_OPTION_no_fd_bootchk:
3192 fd_bootchk = 0;
3193 break;
3194 case QEMU_OPTION_netdev:
3195 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3196 exit(1);
3197 }
3198 break;
3199 case QEMU_OPTION_net:
3200 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3201 exit(1);
3202 }
3203 break;
3204 #ifdef CONFIG_LIBISCSI
3205 case QEMU_OPTION_iscsi:
3206 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3207 if (!opts) {
3208 exit(1);
3209 }
3210 break;
3211 #endif
3212 #ifdef CONFIG_SLIRP
3213 case QEMU_OPTION_tftp:
3214 legacy_tftp_prefix = optarg;
3215 break;
3216 case QEMU_OPTION_bootp:
3217 legacy_bootp_filename = optarg;
3218 break;
3219 case QEMU_OPTION_redir:
3220 if (net_slirp_redir(optarg) < 0)
3221 exit(1);
3222 break;
3223 #endif
3224 case QEMU_OPTION_bt:
3225 add_device_config(DEV_BT, optarg);
3226 break;
3227 case QEMU_OPTION_audio_help:
3228 AUD_help ();
3229 exit (0);
3230 break;
3231 case QEMU_OPTION_soundhw:
3232 select_soundhw (optarg);
3233 break;
3234 case QEMU_OPTION_h:
3235 help(0);
3236 break;
3237 case QEMU_OPTION_version:
3238 version();
3239 exit(0);
3240 break;
3241 case QEMU_OPTION_m: {
3242 int64_t value;
3243 uint64_t sz;
3244 char *end;
3245
3246 value = strtosz(optarg, &end);
3247 if (value < 0 || *end) {
3248 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
3249 exit(1);
3250 }
3251 sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
3252 ram_size = sz;
3253 if (ram_size != sz) {
3254 fprintf(stderr, "qemu: ram size too large\n");
3255 exit(1);
3256 }
3257 break;
3258 }
3259 #ifdef CONFIG_TPM
3260 case QEMU_OPTION_tpmdev:
3261 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3262 exit(1);
3263 }
3264 break;
3265 #endif
3266 case QEMU_OPTION_mempath:
3267 mem_path = optarg;
3268 break;
3269 #ifdef MAP_POPULATE
3270 case QEMU_OPTION_mem_prealloc:
3271 mem_prealloc = 1;
3272 break;
3273 #endif
3274 case QEMU_OPTION_d:
3275 log_mask = optarg;
3276 break;
3277 case QEMU_OPTION_D:
3278 log_file = optarg;
3279 break;
3280 case QEMU_OPTION_s:
3281 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3282 break;
3283 case QEMU_OPTION_gdb:
3284 add_device_config(DEV_GDB, optarg);
3285 break;
3286 case QEMU_OPTION_L:
3287 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3288 data_dir[data_dir_idx++] = optarg;
3289 }
3290 break;
3291 case QEMU_OPTION_bios:
3292 bios_name = optarg;
3293 break;
3294 case QEMU_OPTION_singlestep:
3295 singlestep = 1;
3296 break;
3297 case QEMU_OPTION_S:
3298 autostart = 0;
3299 break;
3300 case QEMU_OPTION_k:
3301 keyboard_layout = optarg;
3302 break;
3303 case QEMU_OPTION_localtime:
3304 rtc_utc = 0;
3305 break;
3306 case QEMU_OPTION_vga:
3307 vga_model = optarg;
3308 default_vga = 0;
3309 break;
3310 case QEMU_OPTION_g:
3311 {
3312 const char *p;
3313 int w, h, depth;
3314 p = optarg;
3315 w = strtol(p, (char **)&p, 10);
3316 if (w <= 0) {
3317 graphic_error:
3318 fprintf(stderr, "qemu: invalid resolution or depth\n");
3319 exit(1);
3320 }
3321 if (*p != 'x')
3322 goto graphic_error;
3323 p++;
3324 h = strtol(p, (char **)&p, 10);
3325 if (h <= 0)
3326 goto graphic_error;
3327 if (*p == 'x') {
3328 p++;
3329 depth = strtol(p, (char **)&p, 10);
3330 if (depth != 8 && depth != 15 && depth != 16 &&
3331 depth != 24 && depth != 32)
3332 goto graphic_error;
3333 } else if (*p == '\0') {
3334 depth = graphic_depth;
3335 } else {
3336 goto graphic_error;
3337 }
3338
3339 graphic_width = w;
3340 graphic_height = h;
3341 graphic_depth = depth;
3342 }
3343 break;
3344 case QEMU_OPTION_echr:
3345 {
3346 char *r;
3347 term_escape_char = strtol(optarg, &r, 0);
3348 if (r == optarg)
3349 printf("Bad argument to echr\n");
3350 break;
3351 }
3352 case QEMU_OPTION_monitor:
3353 default_monitor = 0;
3354 if (strncmp(optarg, "none", 4)) {
3355 monitor_parse(optarg, "readline");
3356 }
3357 break;
3358 case QEMU_OPTION_qmp:
3359 monitor_parse(optarg, "control");
3360 default_monitor = 0;
3361 break;
3362 case QEMU_OPTION_mon:
3363 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3364 if (!opts) {
3365 exit(1);
3366 }
3367 default_monitor = 0;
3368 break;
3369 case QEMU_OPTION_chardev:
3370 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3371 if (!opts) {
3372 exit(1);
3373 }
3374 break;
3375 case QEMU_OPTION_fsdev:
3376 olist = qemu_find_opts("fsdev");
3377 if (!olist) {
3378 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3379 exit(1);
3380 }
3381 opts = qemu_opts_parse(olist, optarg, 1);
3382 if (!opts) {
3383 exit(1);
3384 }
3385 break;
3386 case QEMU_OPTION_virtfs: {
3387 QemuOpts *fsdev;
3388 QemuOpts *device;
3389 const char *writeout, *sock_fd, *socket;
3390
3391 olist = qemu_find_opts("virtfs");
3392 if (!olist) {
3393 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3394 exit(1);
3395 }
3396 opts = qemu_opts_parse(olist, optarg, 1);
3397 if (!opts) {
3398 exit(1);
3399 }
3400
3401 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3402 qemu_opt_get(opts, "mount_tag") == NULL) {
3403 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3404 exit(1);
3405 }
3406 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3407 qemu_opt_get(opts, "mount_tag"),
3408 1, NULL);
3409 if (!fsdev) {
3410 fprintf(stderr, "duplicate fsdev id: %s\n",
3411 qemu_opt_get(opts, "mount_tag"));
3412 exit(1);
3413 }
3414
3415 writeout = qemu_opt_get(opts, "writeout");
3416 if (writeout) {
3417 #ifdef CONFIG_SYNC_FILE_RANGE
3418 qemu_opt_set(fsdev, "writeout", writeout);
3419 #else
3420 fprintf(stderr, "writeout=immediate not supported on "
3421 "this platform\n");
3422 exit(1);
3423 #endif
3424 }
3425 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3426 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3427 qemu_opt_set(fsdev, "security_model",
3428 qemu_opt_get(opts, "security_model"));
3429 socket = qemu_opt_get(opts, "socket");
3430 if (socket) {
3431 qemu_opt_set(fsdev, "socket", socket);
3432 }
3433 sock_fd = qemu_opt_get(opts, "sock_fd");
3434 if (sock_fd) {
3435 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3436 }
3437
3438 qemu_opt_set_bool(fsdev, "readonly",
3439 qemu_opt_get_bool(opts, "readonly", 0));
3440 device = qemu_opts_create_nofail(qemu_find_opts("device"));
3441 qemu_opt_set(device, "driver", "virtio-9p-pci");
3442 qemu_opt_set(device, "fsdev",
3443 qemu_opt_get(opts, "mount_tag"));
3444 qemu_opt_set(device, "mount_tag",
3445 qemu_opt_get(opts, "mount_tag"));
3446 break;
3447 }
3448 case QEMU_OPTION_virtfs_synth: {
3449 QemuOpts *fsdev;
3450 QemuOpts *device;
3451
3452 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3453 1, NULL);
3454 if (!fsdev) {
3455 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3456 exit(1);
3457 }
3458 qemu_opt_set(fsdev, "fsdriver", "synth");
3459
3460 device = qemu_opts_create_nofail(qemu_find_opts("device"));
3461 qemu_opt_set(device, "driver", "virtio-9p-pci");
3462 qemu_opt_set(device, "fsdev", "v_synth");
3463 qemu_opt_set(device, "mount_tag", "v_synth");
3464 break;
3465 }
3466 case QEMU_OPTION_serial:
3467 add_device_config(DEV_SERIAL, optarg);
3468 default_serial = 0;
3469 if (strncmp(optarg, "mon:", 4) == 0) {
3470 default_monitor = 0;
3471 }
3472 break;
3473 case QEMU_OPTION_watchdog:
3474 if (watchdog) {
3475 fprintf(stderr,
3476 "qemu: only one watchdog option may be given\n");
3477 return 1;
3478 }
3479 watchdog = optarg;
3480 break;
3481 case QEMU_OPTION_watchdog_action:
3482 if (select_watchdog_action(optarg) == -1) {
3483 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3484 exit(1);
3485 }
3486 break;
3487 case QEMU_OPTION_virtiocon:
3488 add_device_config(DEV_VIRTCON, optarg);
3489 default_virtcon = 0;
3490 if (strncmp(optarg, "mon:", 4) == 0) {
3491 default_monitor = 0;
3492 }
3493 break;
3494 case QEMU_OPTION_parallel:
3495 add_device_config(DEV_PARALLEL, optarg);
3496 default_parallel = 0;
3497 if (strncmp(optarg, "mon:", 4) == 0) {
3498 default_monitor = 0;
3499 }
3500 break;
3501 case QEMU_OPTION_debugcon:
3502 add_device_config(DEV_DEBUGCON, optarg);
3503 break;
3504 case QEMU_OPTION_loadvm:
3505 loadvm = optarg;
3506 break;
3507 case QEMU_OPTION_full_screen:
3508 full_screen = 1;
3509 break;
3510 case QEMU_OPTION_no_frame:
3511 no_frame = 1;
3512 break;
3513 case QEMU_OPTION_alt_grab:
3514 alt_grab = 1;
3515 break;
3516 case QEMU_OPTION_ctrl_grab:
3517 ctrl_grab = 1;
3518 break;
3519 case QEMU_OPTION_no_quit:
3520 no_quit = 1;
3521 break;
3522 case QEMU_OPTION_sdl:
3523 #ifdef CONFIG_SDL
3524 display_type = DT_SDL;
3525 break;
3526 #else
3527 fprintf(stderr, "SDL support is disabled\n");
3528 exit(1);
3529 #endif
3530 case QEMU_OPTION_pidfile:
3531 pid_file = optarg;
3532 break;
3533 case QEMU_OPTION_win2k_hack:
3534 win2k_install_hack = 1;
3535 break;
3536 case QEMU_OPTION_rtc_td_hack: {
3537 static GlobalProperty slew_lost_ticks[] = {
3538 {
3539 .driver = "mc146818rtc",
3540 .property = "lost_tick_policy",
3541 .value = "slew",
3542 },
3543 { /* end of list */ }
3544 };
3545
3546 qdev_prop_register_global_list(slew_lost_ticks);
3547 break;
3548 }
3549 case QEMU_OPTION_acpitable:
3550 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3551 g_assert(opts != NULL);
3552 do_acpitable_option(opts);
3553 break;
3554 case QEMU_OPTION_smbios:
3555 do_smbios_option(optarg);
3556 break;
3557 case QEMU_OPTION_enable_kvm:
3558 olist = qemu_find_opts("machine");
3559 qemu_opts_parse(olist, "accel=kvm", 0);
3560 break;
3561 case QEMU_OPTION_machine:
3562 olist = qemu_find_opts("machine");
3563 opts = qemu_opts_parse(olist, optarg, 1);
3564 if (!opts) {
3565 exit(1);
3566 }
3567 optarg = qemu_opt_get(opts, "type");
3568 if (optarg) {
3569 machine = machine_parse(optarg);
3570 }
3571 break;
3572 case QEMU_OPTION_no_kvm:
3573 olist = qemu_find_opts("machine");
3574 qemu_opts_parse(olist, "accel=tcg", 0);
3575 break;
3576 case QEMU_OPTION_no_kvm_pit: {
3577 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3578 "separately.\n");
3579 break;
3580 }
3581 case QEMU_OPTION_no_kvm_pit_reinjection: {
3582 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3583 {
3584 .driver = "kvm-pit",
3585 .property = "lost_tick_policy",
3586 .value = "discard",
3587 },
3588 { /* end of list */ }
3589 };
3590
3591 fprintf(stderr, "Warning: option deprecated, use "
3592 "lost_tick_policy property of kvm-pit instead.\n");
3593 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3594 break;
3595 }
3596 case QEMU_OPTION_usb:
3597 olist = qemu_find_opts("machine");
3598 qemu_opts_parse(olist, "usb=on", 0);
3599 break;
3600 case QEMU_OPTION_usbdevice:
3601 olist = qemu_find_opts("machine");
3602 qemu_opts_parse(olist, "usb=on", 0);
3603 add_device_config(DEV_USB, optarg);
3604 break;
3605 case QEMU_OPTION_device:
3606 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3607 exit(1);
3608 }
3609 break;
3610 case QEMU_OPTION_smp:
3611 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3612 exit(1);
3613 }
3614 break;
3615 case QEMU_OPTION_vnc:
3616 #ifdef CONFIG_VNC
3617 display_remote++;
3618 vnc_display = optarg;
3619 #else
3620 fprintf(stderr, "VNC support is disabled\n");
3621 exit(1);
3622 #endif
3623 break;
3624 case QEMU_OPTION_no_acpi:
3625 acpi_enabled = 0;
3626 break;
3627 case QEMU_OPTION_no_hpet:
3628 no_hpet = 1;
3629 break;
3630 case QEMU_OPTION_balloon:
3631 if (balloon_parse(optarg) < 0) {
3632 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3633 exit(1);
3634 }
3635 break;
3636 case QEMU_OPTION_no_reboot:
3637 no_reboot = 1;
3638 break;
3639 case QEMU_OPTION_no_shutdown:
3640 no_shutdown = 1;
3641 break;
3642 case QEMU_OPTION_show_cursor:
3643 cursor_hide = 0;
3644 break;
3645 case QEMU_OPTION_uuid:
3646 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3647 fprintf(stderr, "Fail to parse UUID string."
3648 " Wrong format.\n");
3649 exit(1);
3650 }
3651 break;
3652 case QEMU_OPTION_option_rom:
3653 if (nb_option_roms >= MAX_OPTION_ROMS) {
3654 fprintf(stderr, "Too many option ROMs\n");
3655 exit(1);
3656 }
3657 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3658 if (!opts) {
3659 exit(1);
3660 }
3661 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3662 option_rom[nb_option_roms].bootindex =
3663 qemu_opt_get_number(opts, "bootindex", -1);
3664 if (!option_rom[nb_option_roms].name) {
3665 fprintf(stderr, "Option ROM file is not specified\n");
3666 exit(1);
3667 }
3668 nb_option_roms++;
3669 break;
3670 case QEMU_OPTION_semihosting:
3671 semihosting_enabled = 1;
3672 break;
3673 case QEMU_OPTION_tdf:
3674 fprintf(stderr, "Warning: user space PIT time drift fix "
3675 "is no longer supported.\n");
3676 break;
3677 case QEMU_OPTION_name:
3678 qemu_name = g_strdup(optarg);
3679 {
3680 char *p = strchr(qemu_name, ',');
3681 if (p != NULL) {
3682 *p++ = 0;
3683 if (strncmp(p, "process=", 8)) {
3684 fprintf(stderr, "Unknown subargument %s to -name\n", p);
3685 exit(1);
3686 }
3687 p += 8;
3688 os_set_proc_name(p);
3689 }
3690 }
3691 break;
3692 case QEMU_OPTION_prom_env:
3693 if (nb_prom_envs >= MAX_PROM_ENVS) {
3694 fprintf(stderr, "Too many prom variables\n");
3695 exit(1);
3696 }
3697 prom_envs[nb_prom_envs] = optarg;
3698 nb_prom_envs++;
3699 break;
3700 case QEMU_OPTION_old_param:
3701 old_param = 1;
3702 break;
3703 case QEMU_OPTION_clock:
3704 configure_alarms(optarg);
3705 break;
3706 case QEMU_OPTION_startdate:
3707 configure_rtc_date_offset(optarg, 1);
3708 break;
3709 case QEMU_OPTION_rtc:
3710 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3711 if (!opts) {
3712 exit(1);
3713 }
3714 configure_rtc(opts);
3715 break;
3716 case QEMU_OPTION_tb_size:
3717 tcg_tb_size = strtol(optarg, NULL, 0);
3718 if (tcg_tb_size < 0) {
3719 tcg_tb_size = 0;
3720 }
3721 break;
3722 case QEMU_OPTION_icount:
3723 icount_option = optarg;
3724 break;
3725 case QEMU_OPTION_incoming:
3726 incoming = optarg;
3727 runstate_set(RUN_STATE_INMIGRATE);
3728 break;
3729 case QEMU_OPTION_nodefaults:
3730 default_serial = 0;
3731 default_parallel = 0;
3732 default_virtcon = 0;
3733 default_sclp = 0;
3734 default_monitor = 0;
3735 default_net = 0;
3736 default_floppy = 0;
3737 default_cdrom = 0;
3738 default_sdcard = 0;
3739 default_vga = 0;
3740 break;
3741 case QEMU_OPTION_xen_domid:
3742 if (!(xen_available())) {
3743 printf("Option %s not supported for this target\n", popt->name);
3744 exit(1);
3745 }
3746 xen_domid = atoi(optarg);
3747 break;
3748 case QEMU_OPTION_xen_create:
3749 if (!(xen_available())) {
3750 printf("Option %s not supported for this target\n", popt->name);
3751 exit(1);
3752 }
3753 xen_mode = XEN_CREATE;
3754 break;
3755 case QEMU_OPTION_xen_attach:
3756 if (!(xen_available())) {
3757 printf("Option %s not supported for this target\n", popt->name);
3758 exit(1);
3759 }
3760 xen_mode = XEN_ATTACH;
3761 break;
3762 case QEMU_OPTION_trace:
3763 {
3764 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3765 if (!opts) {
3766 exit(1);
3767 }
3768 trace_events = qemu_opt_get(opts, "events");
3769 trace_file = qemu_opt_get(opts, "file");
3770 break;
3771 }
3772 case QEMU_OPTION_readconfig:
3773 {
3774 int ret = qemu_read_config_file(optarg);
3775 if (ret < 0) {
3776 fprintf(stderr, "read config %s: %s\n", optarg,
3777 strerror(-ret));
3778 exit(1);
3779 }
3780 break;
3781 }
3782 case QEMU_OPTION_spice:
3783 olist = qemu_find_opts("spice");
3784 if (!olist) {
3785 fprintf(stderr, "spice is not supported by this qemu build.\n");
3786 exit(1);
3787 }
3788 opts = qemu_opts_parse(olist, optarg, 0);
3789 if (!opts) {
3790 exit(1);
3791 }
3792 display_remote++;
3793 break;
3794 case QEMU_OPTION_writeconfig:
3795 {
3796 FILE *fp;
3797 if (strcmp(optarg, "-") == 0) {
3798 fp = stdout;
3799 } else {
3800 fp = fopen(optarg, "w");
3801 if (fp == NULL) {
3802 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3803 exit(1);
3804 }
3805 }
3806 qemu_config_write(fp);
3807 fclose(fp);
3808 break;
3809 }
3810 case QEMU_OPTION_qtest:
3811 qtest_chrdev = optarg;
3812 break;
3813 case QEMU_OPTION_qtest_log:
3814 qtest_log = optarg;
3815 break;
3816 case QEMU_OPTION_sandbox:
3817 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3818 if (!opts) {
3819 exit(1);
3820 }
3821 break;
3822 case QEMU_OPTION_add_fd:
3823 #ifndef _WIN32
3824 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3825 if (!opts) {
3826 exit(1);
3827 }
3828 #else
3829 error_report("File descriptor passing is disabled on this "
3830 "platform");
3831 exit(1);
3832 #endif
3833 break;
3834 case QEMU_OPTION_object:
3835 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3836 if (!opts) {
3837 exit(1);
3838 }
3839 break;
3840 case QEMU_OPTION_realtime:
3841 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3842 if (!opts) {
3843 exit(1);
3844 }
3845 configure_realtime(opts);
3846 break;
3847 default:
3848 os_parse_cmd_args(popt->index, optarg);
3849 }
3850 }
3851 }
3852 loc_set_none();
3853
3854 if (qemu_init_main_loop()) {
3855 fprintf(stderr, "qemu_init_main_loop failed\n");
3856 exit(1);
3857 }
3858
3859 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3860 exit(1);
3861 }
3862
3863 #ifndef _WIN32
3864 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3865 exit(1);
3866 }
3867
3868 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3869 exit(1);
3870 }
3871 #endif
3872
3873 if (machine == NULL) {
3874 fprintf(stderr, "No machine found.\n");
3875 exit(1);
3876 }
3877
3878 if (machine->hw_version) {
3879 qemu_set_version(machine->hw_version);
3880 }
3881
3882 if (qemu_opts_foreach(qemu_find_opts("object"),
3883 object_create, NULL, 0) != 0) {
3884 exit(1);
3885 }
3886
3887 /* Init CPU def lists, based on config
3888 * - Must be called after all the qemu_read_config_file() calls
3889 * - Must be called before list_cpus()
3890 * - Must be called before machine->init()
3891 */
3892 cpudef_init();
3893
3894 if (cpu_model && is_help_option(cpu_model)) {
3895 list_cpus(stdout, &fprintf, cpu_model);
3896 exit(0);
3897 }
3898
3899 /* Open the logfile at this point, if necessary. We can't open the logfile
3900 * when encountering either of the logging options (-d or -D) because the
3901 * other one may be encountered later on the command line, changing the
3902 * location or level of logging.
3903 */
3904 if (log_mask) {
3905 int mask;
3906 if (log_file) {
3907 qemu_set_log_filename(log_file);
3908 }
3909
3910 mask = qemu_str_to_log_mask(log_mask);
3911 if (!mask) {
3912 qemu_print_log_usage(stdout);
3913 exit(1);
3914 }
3915 qemu_set_log(mask);
3916 }
3917
3918 if (!trace_backend_init(trace_events, trace_file)) {
3919 exit(1);
3920 }
3921
3922 /* If no data_dir is specified then try to find it relative to the
3923 executable path. */
3924 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3925 data_dir[data_dir_idx] = os_find_datadir(argv[0]);
3926 if (data_dir[data_dir_idx] != NULL) {
3927 data_dir_idx++;
3928 }
3929 }
3930 /* If all else fails use the install path specified when building. */
3931 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3932 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
3933 }
3934
3935 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
3936
3937 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3938 if (smp_cpus > machine->max_cpus) {
3939 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3940 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
3941 machine->max_cpus);
3942 exit(1);
3943 }
3944
3945 /*
3946 * Get the default machine options from the machine if it is not already
3947 * specified either by the configuration file or by the command line.
3948 */
3949 if (machine->default_machine_opts) {
3950 qemu_opts_set_defaults(qemu_find_opts("machine"),
3951 machine->default_machine_opts, 0);
3952 }
3953
3954 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3955 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3956
3957 if (machine->no_serial) {
3958 default_serial = 0;
3959 }
3960 if (machine->no_parallel) {
3961 default_parallel = 0;
3962 }
3963 if (!machine->use_virtcon) {
3964 default_virtcon = 0;
3965 }
3966 if (!machine->use_sclp) {
3967 default_sclp = 0;
3968 }
3969 if (machine->no_floppy) {
3970 default_floppy = 0;
3971 }
3972 if (machine->no_cdrom) {
3973 default_cdrom = 0;
3974 }
3975 if (machine->no_sdcard) {
3976 default_sdcard = 0;
3977 }
3978
3979 if (is_daemonized()) {
3980 /* According to documentation and historically, -nographic redirects
3981 * serial port, parallel port and monitor to stdio, which does not work
3982 * with -daemonize. We can redirect these to null instead, but since
3983 * -nographic is legacy, let's just error out.
3984 * We disallow -nographic only if all other ports are not redirected
3985 * explicitly, to not break existing legacy setups which uses
3986 * -nographic _and_ redirects all ports explicitly - this is valid
3987 * usage, -nographic is just a no-op in this case.
3988 */
3989 if (display_type == DT_NOGRAPHIC
3990 && (default_parallel || default_serial
3991 || default_monitor || default_virtcon)) {
3992 fprintf(stderr, "-nographic can not be used with -daemonize\n");
3993 exit(1);
3994 }
3995 #ifdef CONFIG_CURSES
3996 if (display_type == DT_CURSES) {
3997 fprintf(stderr, "curses display can not be used with -daemonize\n");
3998 exit(1);
3999 }
4000 #endif
4001 }
4002
4003 if (display_type == DT_NOGRAPHIC) {
4004 if (default_parallel)
4005 add_device_config(DEV_PARALLEL, "null");
4006 if (default_serial && default_monitor) {
4007 add_device_config(DEV_SERIAL, "mon:stdio");
4008 } else if (default_virtcon && default_monitor) {
4009 add_device_config(DEV_VIRTCON, "mon:stdio");
4010 } else if (default_sclp && default_monitor) {
4011 add_device_config(DEV_SCLP, "mon:stdio");
4012 } else {
4013 if (default_serial)
4014 add_device_config(DEV_SERIAL, "stdio");
4015 if (default_virtcon)
4016 add_device_config(DEV_VIRTCON, "stdio");
4017 if (default_sclp) {
4018 add_device_config(DEV_SCLP, "stdio");
4019 }
4020 if (default_monitor)
4021 monitor_parse("stdio", "readline");
4022 }
4023 } else {
4024 if (default_serial)
4025 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4026 if (default_parallel)
4027 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4028 if (default_monitor)
4029 monitor_parse("vc:80Cx24C", "readline");
4030 if (default_virtcon)
4031 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4032 if (default_sclp) {
4033 add_device_config(DEV_SCLP, "vc:80Cx24C");
4034 }
4035 }
4036
4037 if (display_type == DT_DEFAULT && !display_remote) {
4038 #if defined(CONFIG_GTK)
4039 display_type = DT_GTK;
4040 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4041 display_type = DT_SDL;
4042 #elif defined(CONFIG_VNC)
4043 vnc_display = "localhost:0,to=99";
4044 show_vnc_port = 1;
4045 #else
4046 display_type = DT_NONE;
4047 #endif
4048 }
4049
4050 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4051 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4052 "for SDL, ignoring option\n");
4053 }
4054 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4055 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4056 "ignoring option\n");
4057 }
4058
4059 #if defined(CONFIG_GTK)
4060 if (display_type == DT_GTK) {
4061 early_gtk_display_init();
4062 }
4063 #endif
4064
4065 socket_init();
4066
4067 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4068 exit(1);
4069 #ifdef CONFIG_VIRTFS
4070 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4071 exit(1);
4072 }
4073 #endif
4074
4075 os_daemonize();
4076
4077 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4078 os_pidfile_error();
4079 exit(1);
4080 }
4081
4082 /* init the memory */
4083 if (ram_size == 0) {
4084 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
4085 }
4086
4087 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4088 != 0) {
4089 exit(0);
4090 }
4091
4092 configure_accelerator();
4093
4094 if (!qtest_enabled() && qtest_chrdev) {
4095 qtest_init();
4096 }
4097
4098 machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
4099 if (machine_opts) {
4100 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4101 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4102 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4103 } else {
4104 kernel_filename = initrd_filename = kernel_cmdline = NULL;
4105 }
4106
4107 if (!boot_order) {
4108 boot_order = machine->boot_order;
4109 }
4110 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4111 if (opts) {
4112 char *normal_boot_order;
4113 const char *order, *once;
4114
4115 order = qemu_opt_get(opts, "order");
4116 if (order) {
4117 validate_bootdevices(order);
4118 boot_order = order;
4119 }
4120
4121 once = qemu_opt_get(opts, "once");
4122 if (once) {
4123 validate_bootdevices(once);
4124 normal_boot_order = g_strdup(boot_order);
4125 boot_order = once;
4126 qemu_register_reset(restore_boot_order, normal_boot_order);
4127 }
4128
4129 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4130 }
4131
4132 if (!kernel_cmdline) {
4133 kernel_cmdline = "";
4134 }
4135
4136 linux_boot = (kernel_filename != NULL);
4137
4138 if (!linux_boot && *kernel_cmdline != '\0') {
4139 fprintf(stderr, "-append only allowed with -kernel option\n");
4140 exit(1);
4141 }
4142
4143 if (!linux_boot && initrd_filename != NULL) {
4144 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4145 exit(1);
4146 }
4147
4148 if (!linux_boot && machine_opts && qemu_opt_get(machine_opts, "dtb")) {
4149 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4150 exit(1);
4151 }
4152
4153 os_set_line_buffering();
4154
4155 qemu_init_cpu_loop();
4156 qemu_mutex_lock_iothread();
4157
4158 #ifdef CONFIG_SPICE
4159 /* spice needs the timers to be initialized by this point */
4160 qemu_spice_init();
4161 #endif
4162
4163 if (icount_option && (kvm_enabled() || xen_enabled())) {
4164 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4165 exit(1);
4166 }
4167 configure_icount(icount_option);
4168
4169 /* clean up network at qemu process termination */
4170 atexit(&net_cleanup);
4171
4172 if (net_init_clients() < 0) {
4173 exit(1);
4174 }
4175
4176 #ifdef CONFIG_TPM
4177 if (tpm_init() < 0) {
4178 exit(1);
4179 }
4180 #endif
4181
4182 /* init the bluetooth world */
4183 if (foreach_device_config(DEV_BT, bt_parse))
4184 exit(1);
4185
4186 if (!xen_enabled()) {
4187 /* On 32-bit hosts, QEMU is limited by virtual address space */
4188 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4189 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4190 exit(1);
4191 }
4192 }
4193
4194 cpu_exec_init_all();
4195
4196 blk_mig_init();
4197
4198 /* open the virtual block devices */
4199 if (snapshot)
4200 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4201 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4202 &machine->block_default_type, 1) != 0) {
4203 exit(1);
4204 }
4205
4206 default_drive(default_cdrom, snapshot, machine->block_default_type, 2,
4207 CDROM_OPTS);
4208 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4209 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4210
4211 register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
4212
4213 if (nb_numa_nodes > 0) {
4214 int i;
4215
4216 if (nb_numa_nodes > MAX_NODES) {
4217 nb_numa_nodes = MAX_NODES;
4218 }
4219
4220 /* If no memory size if given for any node, assume the default case
4221 * and distribute the available memory equally across all nodes
4222 */
4223 for (i = 0; i < nb_numa_nodes; i++) {
4224 if (node_mem[i] != 0)
4225 break;
4226 }
4227 if (i == nb_numa_nodes) {
4228 uint64_t usedmem = 0;
4229
4230 /* On Linux, the each node's border has to be 8MB aligned,
4231 * the final node gets the rest.
4232 */
4233 for (i = 0; i < nb_numa_nodes - 1; i++) {
4234 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
4235 usedmem += node_mem[i];
4236 }
4237 node_mem[i] = ram_size - usedmem;
4238 }
4239
4240 for (i = 0; i < nb_numa_nodes; i++) {
4241 if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
4242 break;
4243 }
4244 }
4245 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4246 * must cope with this anyway, because there are BIOSes out there in
4247 * real machines which also use this scheme.
4248 */
4249 if (i == nb_numa_nodes) {
4250 for (i = 0; i < max_cpus; i++) {
4251 set_bit(i, node_cpumask[i % nb_numa_nodes]);
4252 }
4253 }
4254 }
4255
4256 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4257 exit(1);
4258 }
4259
4260 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4261 exit(1);
4262 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4263 exit(1);
4264 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4265 exit(1);
4266 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4267 exit(1);
4268 }
4269 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4270 exit(1);
4271
4272 /* If no default VGA is requested, the default is "none". */
4273 if (default_vga) {
4274 if (cirrus_vga_available()) {
4275 vga_model = "cirrus";
4276 } else if (vga_available()) {
4277 vga_model = "std";
4278 }
4279 }
4280 select_vgahw(vga_model);
4281
4282 if (watchdog) {
4283 i = select_watchdog(watchdog);
4284 if (i > 0)
4285 exit (i == 1 ? 1 : 0);
4286 }
4287
4288 if (machine->compat_props) {
4289 qdev_prop_register_global_list(machine->compat_props);
4290 }
4291 qemu_add_globals();
4292
4293 qdev_machine_init();
4294
4295 QEMUMachineInitArgs args = { .ram_size = ram_size,
4296 .boot_device = boot_order,
4297 .kernel_filename = kernel_filename,
4298 .kernel_cmdline = kernel_cmdline,
4299 .initrd_filename = initrd_filename,
4300 .cpu_model = cpu_model };
4301 machine->init(&args);
4302
4303 audio_init();
4304
4305 cpu_synchronize_all_post_init();
4306
4307 set_numa_modes();
4308
4309 current_machine = machine;
4310
4311 /* init USB devices */
4312 if (usb_enabled(false)) {
4313 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4314 exit(1);
4315 }
4316
4317 /* init generic devices */
4318 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4319 exit(1);
4320
4321 net_check_clients();
4322
4323 ds = init_displaystate();
4324
4325 /* init local displays */
4326 switch (display_type) {
4327 case DT_NOGRAPHIC:
4328 break;
4329 #if defined(CONFIG_CURSES)
4330 case DT_CURSES:
4331 curses_display_init(ds, full_screen);
4332 break;
4333 #endif
4334 #if defined(CONFIG_SDL)
4335 case DT_SDL:
4336 sdl_display_init(ds, full_screen, no_frame);
4337 break;
4338 #elif defined(CONFIG_COCOA)
4339 case DT_SDL:
4340 cocoa_display_init(ds, full_screen);
4341 break;
4342 #endif
4343 #if defined(CONFIG_GTK)
4344 case DT_GTK:
4345 gtk_display_init(ds, full_screen);
4346 break;
4347 #endif
4348 default:
4349 break;
4350 }
4351
4352 /* must be after terminal init, SDL library changes signal handlers */
4353 os_setup_signal_handling();
4354
4355 #ifdef CONFIG_VNC
4356 /* init remote displays */
4357 if (vnc_display) {
4358 Error *local_err = NULL;
4359 vnc_display_init(ds);
4360 vnc_display_open(ds, vnc_display, &local_err);
4361 if (local_err != NULL) {
4362 fprintf(stderr, "Failed to start VNC server on `%s': %s\n",
4363 vnc_display, error_get_pretty(local_err));
4364 error_free(local_err);
4365 exit(1);
4366 }
4367
4368 if (show_vnc_port) {
4369 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4370 }
4371 }
4372 #endif
4373 #ifdef CONFIG_SPICE
4374 if (using_spice && !qxl_enabled) {
4375 qemu_spice_display_init(ds);
4376 }
4377 #endif
4378
4379 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4380 exit(1);
4381 }
4382
4383 qdev_machine_creation_done();
4384
4385 if (rom_load_all() != 0) {
4386 fprintf(stderr, "rom loading failed\n");
4387 exit(1);
4388 }
4389
4390 /* TODO: once all bus devices are qdevified, this should be done
4391 * when bus is created by qdev.c */
4392 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4393 qemu_run_machine_init_done_notifiers();
4394
4395 qemu_system_reset(VMRESET_SILENT);
4396 if (loadvm) {
4397 if (load_vmstate(loadvm) < 0) {
4398 autostart = 0;
4399 }
4400 }
4401
4402 if (incoming) {
4403 Error *local_err = NULL;
4404 qemu_start_incoming_migration(incoming, &local_err);
4405 if (local_err) {
4406 fprintf(stderr, "-incoming %s: %s\n", incoming, error_get_pretty(local_err));
4407 error_free(local_err);
4408 exit(1);
4409 }
4410 } else if (autostart) {
4411 vm_start();
4412 }
4413
4414 os_setup_post();
4415
4416 main_loop();
4417 bdrv_close_all();
4418 pause_all_vcpus();
4419 res_free();
4420 #ifdef CONFIG_TPM
4421 tpm_cleanup();
4422 #endif
4423
4424 return 0;
4425 }
Qemu copy for testing