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qcow2: Avoid overflow in alloc_clusters_noref()
[qemu/qmp-unstable.git] / vl.c
blob236f95efd795def44fb3ec165eead930500f3c20
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include <unistd.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <time.h>
28 #include <errno.h>
29 #include <sys/time.h>
30
31 #include "config-host.h"
32
33 #ifdef CONFIG_SECCOMP
34 #include "sysemu/seccomp.h"
35 #endif
36
37 #if defined(CONFIG_VDE)
38 #include <libvdeplug.h>
39 #endif
40
41 #ifdef CONFIG_SDL
42 #if defined(__APPLE__) || defined(main)
43 #include <SDL.h>
44 int qemu_main(int argc, char **argv, char **envp);
45 int main(int argc, char **argv)
46 {
47 return qemu_main(argc, argv, NULL);
48 }
49 #undef main
50 #define main qemu_main
51 #endif
52 #endif /* CONFIG_SDL */
53
54 #ifdef CONFIG_COCOA
55 #undef main
56 #define main qemu_main
57 #endif /* CONFIG_COCOA */
58
59 #include <glib.h>
60
61 #include "qemu/sockets.h"
62 #include "hw/hw.h"
63 #include "hw/boards.h"
64 #include "hw/usb.h"
65 #include "hw/pcmcia.h"
66 #include "hw/i386/pc.h"
67 #include "hw/isa/isa.h"
68 #include "hw/bt.h"
69 #include "sysemu/watchdog.h"
70 #include "hw/i386/smbios.h"
71 #include "hw/xen/xen.h"
72 #include "hw/qdev.h"
73 #include "hw/loader.h"
74 #include "monitor/qdev.h"
75 #include "sysemu/bt.h"
76 #include "net/net.h"
77 #include "net/slirp.h"
78 #include "monitor/monitor.h"
79 #include "ui/console.h"
80 #include "sysemu/sysemu.h"
81 #include "exec/gdbstub.h"
82 #include "qemu/timer.h"
83 #include "sysemu/char.h"
84 #include "qemu/bitmap.h"
85 #include "qemu/cache-utils.h"
86 #include "sysemu/blockdev.h"
87 #include "hw/block/block.h"
88 #include "migration/block.h"
89 #include "sysemu/tpm.h"
90 #include "sysemu/dma.h"
91 #include "audio/audio.h"
92 #include "migration/migration.h"
93 #include "sysemu/kvm.h"
94 #include "qapi/qmp/qjson.h"
95 #include "qemu/option.h"
96 #include "qemu/config-file.h"
97 #include "qemu-options.h"
98 #include "qmp-commands.h"
99 #include "qemu/main-loop.h"
100 #ifdef CONFIG_VIRTFS
101 #include "fsdev/qemu-fsdev.h"
102 #endif
103 #include "sysemu/qtest.h"
104
105 #include "disas/disas.h"
106
107
108 #include "slirp/libslirp.h"
109
110 #include "trace.h"
111 #include "trace/control.h"
112 #include "qemu/queue.h"
113 #include "sysemu/cpus.h"
114 #include "sysemu/arch_init.h"
115 #include "qemu/osdep.h"
116
117 #include "ui/qemu-spice.h"
118 #include "qapi/string-input-visitor.h"
119 #include "qom/object_interfaces.h"
120
121 #define DEFAULT_RAM_SIZE 128
122
123 #define MAX_VIRTIO_CONSOLES 1
124 #define MAX_SCLP_CONSOLES 1
125
126 static const char *data_dir[16];
127 static int data_dir_idx;
128 const char *bios_name = NULL;
129 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
130 DisplayType display_type = DT_DEFAULT;
131 static int display_remote;
132 const char* keyboard_layout = NULL;
133 ram_addr_t ram_size;
134 const char *mem_path = NULL;
135 int mem_prealloc = 0; /* force preallocation of physical target memory */
136 int nb_nics;
137 NICInfo nd_table[MAX_NICS];
138 int autostart;
139 static int rtc_utc = 1;
140 static int rtc_date_offset = -1; /* -1 means no change */
141 QEMUClockType rtc_clock;
142 int vga_interface_type = VGA_NONE;
143 static int full_screen = 0;
144 static int no_frame = 0;
145 int no_quit = 0;
146 #ifdef CONFIG_GTK
147 static bool grab_on_hover;
148 #endif
149 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
150 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
151 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
152 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
153 int win2k_install_hack = 0;
154 int singlestep = 0;
155 int smp_cpus = 1;
156 int max_cpus = 0;
157 int smp_cores = 1;
158 int smp_threads = 1;
159 #ifdef CONFIG_VNC
160 const char *vnc_display;
161 #endif
162 int acpi_enabled = 1;
163 int no_hpet = 0;
164 int fd_bootchk = 1;
165 static int no_reboot;
166 int no_shutdown = 0;
167 int cursor_hide = 1;
168 int graphic_rotate = 0;
169 const char *watchdog;
170 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
171 int nb_option_roms;
172 int semihosting_enabled = 0;
173 int old_param = 0;
174 const char *qemu_name;
175 int alt_grab = 0;
176 int ctrl_grab = 0;
177 unsigned int nb_prom_envs = 0;
178 const char *prom_envs[MAX_PROM_ENVS];
179 int boot_menu;
180 static bool boot_strict;
181 uint8_t *boot_splash_filedata;
182 size_t boot_splash_filedata_size;
183 uint8_t qemu_extra_params_fw[2];
184
185 typedef struct FWBootEntry FWBootEntry;
186
187 struct FWBootEntry {
188 QTAILQ_ENTRY(FWBootEntry) link;
189 int32_t bootindex;
190 DeviceState *dev;
191 char *suffix;
192 };
193
194 static QTAILQ_HEAD(, FWBootEntry) fw_boot_order =
195 QTAILQ_HEAD_INITIALIZER(fw_boot_order);
196
197 int nb_numa_nodes;
198 uint64_t node_mem[MAX_NODES];
199 unsigned long *node_cpumask[MAX_NODES];
200
201 uint8_t qemu_uuid[16];
202 bool qemu_uuid_set;
203
204 static QEMUBootSetHandler *boot_set_handler;
205 static void *boot_set_opaque;
206
207 static NotifierList exit_notifiers =
208 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
209
210 static NotifierList machine_init_done_notifiers =
211 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
212
213 static bool tcg_allowed = true;
214 bool xen_allowed;
215 uint32_t xen_domid;
216 enum xen_mode xen_mode = XEN_EMULATE;
217 static int tcg_tb_size;
218
219 static int has_defaults = 1;
220 static int default_serial = 1;
221 static int default_parallel = 1;
222 static int default_virtcon = 1;
223 static int default_sclp = 1;
224 static int default_monitor = 1;
225 static int default_floppy = 1;
226 static int default_cdrom = 1;
227 static int default_sdcard = 1;
228 static int default_vga = 1;
229
230 static struct {
231 const char *driver;
232 int *flag;
233 } default_list[] = {
234 { .driver = "isa-serial", .flag = &default_serial },
235 { .driver = "isa-parallel", .flag = &default_parallel },
236 { .driver = "isa-fdc", .flag = &default_floppy },
237 { .driver = "ide-cd", .flag = &default_cdrom },
238 { .driver = "ide-hd", .flag = &default_cdrom },
239 { .driver = "ide-drive", .flag = &default_cdrom },
240 { .driver = "scsi-cd", .flag = &default_cdrom },
241 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
242 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
243 { .driver = "virtio-serial", .flag = &default_virtcon },
244 { .driver = "VGA", .flag = &default_vga },
245 { .driver = "isa-vga", .flag = &default_vga },
246 { .driver = "cirrus-vga", .flag = &default_vga },
247 { .driver = "isa-cirrus-vga", .flag = &default_vga },
248 { .driver = "vmware-svga", .flag = &default_vga },
249 { .driver = "qxl-vga", .flag = &default_vga },
250 };
251
252 static QemuOptsList qemu_rtc_opts = {
253 .name = "rtc",
254 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
255 .desc = {
256 {
257 .name = "base",
258 .type = QEMU_OPT_STRING,
259 },{
260 .name = "clock",
261 .type = QEMU_OPT_STRING,
262 },{
263 .name = "driftfix",
264 .type = QEMU_OPT_STRING,
265 },
266 { /* end of list */ }
267 },
268 };
269
270 static QemuOptsList qemu_sandbox_opts = {
271 .name = "sandbox",
272 .implied_opt_name = "enable",
273 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
274 .desc = {
275 {
276 .name = "enable",
277 .type = QEMU_OPT_BOOL,
278 },
279 { /* end of list */ }
280 },
281 };
282
283 static QemuOptsList qemu_trace_opts = {
284 .name = "trace",
285 .implied_opt_name = "trace",
286 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
287 .desc = {
288 {
289 .name = "events",
290 .type = QEMU_OPT_STRING,
291 },{
292 .name = "file",
293 .type = QEMU_OPT_STRING,
294 },
295 { /* end of list */ }
296 },
297 };
298
299 static QemuOptsList qemu_option_rom_opts = {
300 .name = "option-rom",
301 .implied_opt_name = "romfile",
302 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
303 .desc = {
304 {
305 .name = "bootindex",
306 .type = QEMU_OPT_NUMBER,
307 }, {
308 .name = "romfile",
309 .type = QEMU_OPT_STRING,
310 },
311 { /* end of list */ }
312 },
313 };
314
315 static QemuOptsList qemu_machine_opts = {
316 .name = "machine",
317 .implied_opt_name = "type",
318 .merge_lists = true,
319 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
320 .desc = {
321 {
322 .name = "type",
323 .type = QEMU_OPT_STRING,
324 .help = "emulated machine"
325 }, {
326 .name = "accel",
327 .type = QEMU_OPT_STRING,
328 .help = "accelerator list",
329 }, {
330 .name = "kernel_irqchip",
331 .type = QEMU_OPT_BOOL,
332 .help = "use KVM in-kernel irqchip",
333 }, {
334 .name = "kvm_shadow_mem",
335 .type = QEMU_OPT_SIZE,
336 .help = "KVM shadow MMU size",
337 }, {
338 .name = "kernel",
339 .type = QEMU_OPT_STRING,
340 .help = "Linux kernel image file",
341 }, {
342 .name = "initrd",
343 .type = QEMU_OPT_STRING,
344 .help = "Linux initial ramdisk file",
345 }, {
346 .name = "append",
347 .type = QEMU_OPT_STRING,
348 .help = "Linux kernel command line",
349 }, {
350 .name = "dtb",
351 .type = QEMU_OPT_STRING,
352 .help = "Linux kernel device tree file",
353 }, {
354 .name = "dumpdtb",
355 .type = QEMU_OPT_STRING,
356 .help = "Dump current dtb to a file and quit",
357 }, {
358 .name = "phandle_start",
359 .type = QEMU_OPT_NUMBER,
360 .help = "The first phandle ID we may generate dynamically",
361 }, {
362 .name = "dt_compatible",
363 .type = QEMU_OPT_STRING,
364 .help = "Overrides the \"compatible\" property of the dt root node",
365 }, {
366 .name = "dump-guest-core",
367 .type = QEMU_OPT_BOOL,
368 .help = "Include guest memory in a core dump",
369 }, {
370 .name = "mem-merge",
371 .type = QEMU_OPT_BOOL,
372 .help = "enable/disable memory merge support",
373 },{
374 .name = "usb",
375 .type = QEMU_OPT_BOOL,
376 .help = "Set on/off to enable/disable usb",
377 },{
378 .name = "firmware",
379 .type = QEMU_OPT_STRING,
380 .help = "firmware image",
381 },{
382 .name = "kvm-type",
383 .type = QEMU_OPT_STRING,
384 .help = "Specifies the KVM virtualization mode (HV, PR)",
385 },
386 { /* End of list */ }
387 },
388 };
389
390 static QemuOptsList qemu_boot_opts = {
391 .name = "boot-opts",
392 .implied_opt_name = "order",
393 .merge_lists = true,
394 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
395 .desc = {
396 {
397 .name = "order",
398 .type = QEMU_OPT_STRING,
399 }, {
400 .name = "once",
401 .type = QEMU_OPT_STRING,
402 }, {
403 .name = "menu",
404 .type = QEMU_OPT_BOOL,
405 }, {
406 .name = "splash",
407 .type = QEMU_OPT_STRING,
408 }, {
409 .name = "splash-time",
410 .type = QEMU_OPT_STRING,
411 }, {
412 .name = "reboot-timeout",
413 .type = QEMU_OPT_STRING,
414 }, {
415 .name = "strict",
416 .type = QEMU_OPT_BOOL,
417 },
418 { /*End of list */ }
419 },
420 };
421
422 static QemuOptsList qemu_add_fd_opts = {
423 .name = "add-fd",
424 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
425 .desc = {
426 {
427 .name = "fd",
428 .type = QEMU_OPT_NUMBER,
429 .help = "file descriptor of which a duplicate is added to fd set",
430 },{
431 .name = "set",
432 .type = QEMU_OPT_NUMBER,
433 .help = "ID of the fd set to add fd to",
434 },{
435 .name = "opaque",
436 .type = QEMU_OPT_STRING,
437 .help = "free-form string used to describe fd",
438 },
439 { /* end of list */ }
440 },
441 };
442
443 static QemuOptsList qemu_object_opts = {
444 .name = "object",
445 .implied_opt_name = "qom-type",
446 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
447 .desc = {
448 { }
449 },
450 };
451
452 static QemuOptsList qemu_tpmdev_opts = {
453 .name = "tpmdev",
454 .implied_opt_name = "type",
455 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
456 .desc = {
457 /* options are defined in the TPM backends */
458 { /* end of list */ }
459 },
460 };
461
462 static QemuOptsList qemu_realtime_opts = {
463 .name = "realtime",
464 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
465 .desc = {
466 {
467 .name = "mlock",
468 .type = QEMU_OPT_BOOL,
469 },
470 { /* end of list */ }
471 },
472 };
473
474 static QemuOptsList qemu_msg_opts = {
475 .name = "msg",
476 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
477 .desc = {
478 {
479 .name = "timestamp",
480 .type = QEMU_OPT_BOOL,
481 },
482 { /* end of list */ }
483 },
484 };
485
486 static QemuOptsList qemu_name_opts = {
487 .name = "name",
488 .implied_opt_name = "guest",
489 .merge_lists = true,
490 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
491 .desc = {
492 {
493 .name = "guest",
494 .type = QEMU_OPT_STRING,
495 .help = "Sets the name of the guest.\n"
496 "This name will be displayed in the SDL window caption.\n"
497 "The name will also be used for the VNC server",
498 }, {
499 .name = "process",
500 .type = QEMU_OPT_STRING,
501 .help = "Sets the name of the QEMU process, as shown in top etc",
502 }, {
503 .name = "debug-threads",
504 .type = QEMU_OPT_BOOL,
505 .help = "When enabled, name the individual threads; defaults off.\n"
506 "NOTE: The thread names are for debugging and not a\n"
507 "stable API.",
508 },
509 { /* End of list */ }
510 },
511 };
512
513 static QemuOptsList qemu_mem_opts = {
514 .name = "memory",
515 .implied_opt_name = "size",
516 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
517 .merge_lists = true,
518 .desc = {
519 {
520 .name = "size",
521 .type = QEMU_OPT_SIZE,
522 },
523 { /* end of list */ }
524 },
525 };
526
527 /**
528 * Get machine options
529 *
530 * Returns: machine options (never null).
531 */
532 QemuOpts *qemu_get_machine_opts(void)
533 {
534 return qemu_find_opts_singleton("machine");
535 }
536
537 const char *qemu_get_vm_name(void)
538 {
539 return qemu_name;
540 }
541
542 static void res_free(void)
543 {
544 if (boot_splash_filedata != NULL) {
545 g_free(boot_splash_filedata);
546 boot_splash_filedata = NULL;
547 }
548 }
549
550 static int default_driver_check(QemuOpts *opts, void *opaque)
551 {
552 const char *driver = qemu_opt_get(opts, "driver");
553 int i;
554
555 if (!driver)
556 return 0;
557 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
558 if (strcmp(default_list[i].driver, driver) != 0)
559 continue;
560 *(default_list[i].flag) = 0;
561 }
562 return 0;
563 }
564
565 /***********************************************************/
566 /* QEMU state */
567
568 static RunState current_run_state = RUN_STATE_PRELAUNCH;
569
570 typedef struct {
571 RunState from;
572 RunState to;
573 } RunStateTransition;
574
575 static const RunStateTransition runstate_transitions_def[] = {
576 /* from -> to */
577 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
578 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
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_RUNNING },
629 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
630
631 { RUN_STATE_MAX, RUN_STATE_MAX },
632 };
633
634 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
635
636 bool runstate_check(RunState state)
637 {
638 return current_run_state == state;
639 }
640
641 static void runstate_init(void)
642 {
643 const RunStateTransition *p;
644
645 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
646
647 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
648 runstate_valid_transitions[p->from][p->to] = true;
649 }
650 }
651
652 /* This function will abort() on invalid state transitions */
653 void runstate_set(RunState new_state)
654 {
655 assert(new_state < RUN_STATE_MAX);
656
657 if (!runstate_valid_transitions[current_run_state][new_state]) {
658 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
659 RunState_lookup[current_run_state],
660 RunState_lookup[new_state]);
661 abort();
662 }
663 trace_runstate_set(new_state);
664 current_run_state = new_state;
665 }
666
667 int runstate_is_running(void)
668 {
669 return runstate_check(RUN_STATE_RUNNING);
670 }
671
672 bool runstate_needs_reset(void)
673 {
674 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
675 runstate_check(RUN_STATE_SHUTDOWN);
676 }
677
678 StatusInfo *qmp_query_status(Error **errp)
679 {
680 StatusInfo *info = g_malloc0(sizeof(*info));
681
682 info->running = runstate_is_running();
683 info->singlestep = singlestep;
684 info->status = current_run_state;
685
686 return info;
687 }
688
689 /***********************************************************/
690 /* real time host monotonic timer */
691
692 /***********************************************************/
693 /* host time/date access */
694 void qemu_get_timedate(struct tm *tm, int offset)
695 {
696 time_t ti;
697
698 time(&ti);
699 ti += offset;
700 if (rtc_date_offset == -1) {
701 if (rtc_utc)
702 gmtime_r(&ti, tm);
703 else
704 localtime_r(&ti, tm);
705 } else {
706 ti -= rtc_date_offset;
707 gmtime_r(&ti, tm);
708 }
709 }
710
711 int qemu_timedate_diff(struct tm *tm)
712 {
713 time_t seconds;
714
715 if (rtc_date_offset == -1)
716 if (rtc_utc)
717 seconds = mktimegm(tm);
718 else {
719 struct tm tmp = *tm;
720 tmp.tm_isdst = -1; /* use timezone to figure it out */
721 seconds = mktime(&tmp);
722 }
723 else
724 seconds = mktimegm(tm) + rtc_date_offset;
725
726 return seconds - time(NULL);
727 }
728
729 void rtc_change_mon_event(struct tm *tm)
730 {
731 QObject *data;
732
733 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
734 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
735 qobject_decref(data);
736 }
737
738 static void configure_rtc_date_offset(const char *startdate, int legacy)
739 {
740 time_t rtc_start_date;
741 struct tm tm;
742
743 if (!strcmp(startdate, "now") && legacy) {
744 rtc_date_offset = -1;
745 } else {
746 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
747 &tm.tm_year,
748 &tm.tm_mon,
749 &tm.tm_mday,
750 &tm.tm_hour,
751 &tm.tm_min,
752 &tm.tm_sec) == 6) {
753 /* OK */
754 } else if (sscanf(startdate, "%d-%d-%d",
755 &tm.tm_year,
756 &tm.tm_mon,
757 &tm.tm_mday) == 3) {
758 tm.tm_hour = 0;
759 tm.tm_min = 0;
760 tm.tm_sec = 0;
761 } else {
762 goto date_fail;
763 }
764 tm.tm_year -= 1900;
765 tm.tm_mon--;
766 rtc_start_date = mktimegm(&tm);
767 if (rtc_start_date == -1) {
768 date_fail:
769 fprintf(stderr, "Invalid date format. Valid formats are:\n"
770 "'2006-06-17T16:01:21' or '2006-06-17'\n");
771 exit(1);
772 }
773 rtc_date_offset = time(NULL) - rtc_start_date;
774 }
775 }
776
777 static void configure_rtc(QemuOpts *opts)
778 {
779 const char *value;
780
781 value = qemu_opt_get(opts, "base");
782 if (value) {
783 if (!strcmp(value, "utc")) {
784 rtc_utc = 1;
785 } else if (!strcmp(value, "localtime")) {
786 rtc_utc = 0;
787 } else {
788 configure_rtc_date_offset(value, 0);
789 }
790 }
791 value = qemu_opt_get(opts, "clock");
792 if (value) {
793 if (!strcmp(value, "host")) {
794 rtc_clock = QEMU_CLOCK_HOST;
795 } else if (!strcmp(value, "rt")) {
796 rtc_clock = QEMU_CLOCK_REALTIME;
797 } else if (!strcmp(value, "vm")) {
798 rtc_clock = QEMU_CLOCK_VIRTUAL;
799 } else {
800 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
801 exit(1);
802 }
803 }
804 value = qemu_opt_get(opts, "driftfix");
805 if (value) {
806 if (!strcmp(value, "slew")) {
807 static GlobalProperty slew_lost_ticks[] = {
808 {
809 .driver = "mc146818rtc",
810 .property = "lost_tick_policy",
811 .value = "slew",
812 },
813 { /* end of list */ }
814 };
815
816 qdev_prop_register_global_list(slew_lost_ticks);
817 } else if (!strcmp(value, "none")) {
818 /* discard is default */
819 } else {
820 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
821 exit(1);
822 }
823 }
824 }
825
826 /***********************************************************/
827 /* Bluetooth support */
828 static int nb_hcis;
829 static int cur_hci;
830 static struct HCIInfo *hci_table[MAX_NICS];
831
832 struct HCIInfo *qemu_next_hci(void)
833 {
834 if (cur_hci == nb_hcis)
835 return &null_hci;
836
837 return hci_table[cur_hci++];
838 }
839
840 static int bt_hci_parse(const char *str)
841 {
842 struct HCIInfo *hci;
843 bdaddr_t bdaddr;
844
845 if (nb_hcis >= MAX_NICS) {
846 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
847 return -1;
848 }
849
850 hci = hci_init(str);
851 if (!hci)
852 return -1;
853
854 bdaddr.b[0] = 0x52;
855 bdaddr.b[1] = 0x54;
856 bdaddr.b[2] = 0x00;
857 bdaddr.b[3] = 0x12;
858 bdaddr.b[4] = 0x34;
859 bdaddr.b[5] = 0x56 + nb_hcis;
860 hci->bdaddr_set(hci, bdaddr.b);
861
862 hci_table[nb_hcis++] = hci;
863
864 return 0;
865 }
866
867 static void bt_vhci_add(int vlan_id)
868 {
869 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
870
871 if (!vlan->slave)
872 fprintf(stderr, "qemu: warning: adding a VHCI to "
873 "an empty scatternet %i\n", vlan_id);
874
875 bt_vhci_init(bt_new_hci(vlan));
876 }
877
878 static struct bt_device_s *bt_device_add(const char *opt)
879 {
880 struct bt_scatternet_s *vlan;
881 int vlan_id = 0;
882 char *endp = strstr(opt, ",vlan=");
883 int len = (endp ? endp - opt : strlen(opt)) + 1;
884 char devname[10];
885
886 pstrcpy(devname, MIN(sizeof(devname), len), opt);
887
888 if (endp) {
889 vlan_id = strtol(endp + 6, &endp, 0);
890 if (*endp) {
891 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
892 return 0;
893 }
894 }
895
896 vlan = qemu_find_bt_vlan(vlan_id);
897
898 if (!vlan->slave)
899 fprintf(stderr, "qemu: warning: adding a slave device to "
900 "an empty scatternet %i\n", vlan_id);
901
902 if (!strcmp(devname, "keyboard"))
903 return bt_keyboard_init(vlan);
904
905 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
906 return 0;
907 }
908
909 static int bt_parse(const char *opt)
910 {
911 const char *endp, *p;
912 int vlan;
913
914 if (strstart(opt, "hci", &endp)) {
915 if (!*endp || *endp == ',') {
916 if (*endp)
917 if (!strstart(endp, ",vlan=", 0))
918 opt = endp + 1;
919
920 return bt_hci_parse(opt);
921 }
922 } else if (strstart(opt, "vhci", &endp)) {
923 if (!*endp || *endp == ',') {
924 if (*endp) {
925 if (strstart(endp, ",vlan=", &p)) {
926 vlan = strtol(p, (char **) &endp, 0);
927 if (*endp) {
928 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
929 return 1;
930 }
931 } else {
932 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
933 return 1;
934 }
935 } else
936 vlan = 0;
937
938 bt_vhci_add(vlan);
939 return 0;
940 }
941 } else if (strstart(opt, "device:", &endp))
942 return !bt_device_add(endp);
943
944 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
945 return 1;
946 }
947
948 static int parse_sandbox(QemuOpts *opts, void *opaque)
949 {
950 /* FIXME: change this to true for 1.3 */
951 if (qemu_opt_get_bool(opts, "enable", false)) {
952 #ifdef CONFIG_SECCOMP
953 if (seccomp_start() < 0) {
954 qerror_report(ERROR_CLASS_GENERIC_ERROR,
955 "failed to install seccomp syscall filter in the kernel");
956 return -1;
957 }
958 #else
959 qerror_report(ERROR_CLASS_GENERIC_ERROR,
960 "sandboxing request but seccomp is not compiled into this build");
961 return -1;
962 #endif
963 }
964
965 return 0;
966 }
967
968 static void parse_name(QemuOpts *opts)
969 {
970 const char *proc_name;
971
972 if (qemu_opt_get(opts, "debug-threads")) {
973 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
974 }
975 qemu_name = qemu_opt_get(opts, "guest");
976
977 proc_name = qemu_opt_get(opts, "process");
978 if (proc_name) {
979 os_set_proc_name(proc_name);
980 }
981 }
982
983 bool usb_enabled(bool default_usb)
984 {
985 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb",
986 has_defaults && default_usb);
987 }
988
989 #ifndef _WIN32
990 static int parse_add_fd(QemuOpts *opts, void *opaque)
991 {
992 int fd, dupfd, flags;
993 int64_t fdset_id;
994 const char *fd_opaque = NULL;
995
996 fd = qemu_opt_get_number(opts, "fd", -1);
997 fdset_id = qemu_opt_get_number(opts, "set", -1);
998 fd_opaque = qemu_opt_get(opts, "opaque");
999
1000 if (fd < 0) {
1001 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1002 "fd option is required and must be non-negative");
1003 return -1;
1004 }
1005
1006 if (fd <= STDERR_FILENO) {
1007 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1008 "fd cannot be a standard I/O stream");
1009 return -1;
1010 }
1011
1012 /*
1013 * All fds inherited across exec() necessarily have FD_CLOEXEC
1014 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1015 */
1016 flags = fcntl(fd, F_GETFD);
1017 if (flags == -1 || (flags & FD_CLOEXEC)) {
1018 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1019 "fd is not valid or already in use");
1020 return -1;
1021 }
1022
1023 if (fdset_id < 0) {
1024 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1025 "set option is required and must be non-negative");
1026 return -1;
1027 }
1028
1029 #ifdef F_DUPFD_CLOEXEC
1030 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1031 #else
1032 dupfd = dup(fd);
1033 if (dupfd != -1) {
1034 qemu_set_cloexec(dupfd);
1035 }
1036 #endif
1037 if (dupfd == -1) {
1038 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1039 "Error duplicating fd: %s", strerror(errno));
1040 return -1;
1041 }
1042
1043 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1044 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1045 fd_opaque, NULL);
1046
1047 return 0;
1048 }
1049
1050 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1051 {
1052 int fd;
1053
1054 fd = qemu_opt_get_number(opts, "fd", -1);
1055 close(fd);
1056
1057 return 0;
1058 }
1059 #endif
1060
1061 /***********************************************************/
1062 /* QEMU Block devices */
1063
1064 #define HD_OPTS "media=disk"
1065 #define CDROM_OPTS "media=cdrom"
1066 #define FD_OPTS ""
1067 #define PFLASH_OPTS ""
1068 #define MTD_OPTS ""
1069 #define SD_OPTS ""
1070
1071 static int drive_init_func(QemuOpts *opts, void *opaque)
1072 {
1073 BlockInterfaceType *block_default_type = opaque;
1074
1075 return drive_init(opts, *block_default_type) == NULL;
1076 }
1077
1078 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1079 {
1080 if (NULL == qemu_opt_get(opts, "snapshot")) {
1081 qemu_opt_set(opts, "snapshot", "on");
1082 }
1083 return 0;
1084 }
1085
1086 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1087 int index, const char *optstr)
1088 {
1089 QemuOpts *opts;
1090
1091 if (!enable || drive_get_by_index(type, index)) {
1092 return;
1093 }
1094
1095 opts = drive_add(type, index, NULL, optstr);
1096 if (snapshot) {
1097 drive_enable_snapshot(opts, NULL);
1098 }
1099 if (!drive_init(opts, type)) {
1100 exit(1);
1101 }
1102 }
1103
1104 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1105 {
1106 boot_set_handler = func;
1107 boot_set_opaque = opaque;
1108 }
1109
1110 int qemu_boot_set(const char *boot_order)
1111 {
1112 if (!boot_set_handler) {
1113 return -EINVAL;
1114 }
1115 return boot_set_handler(boot_set_opaque, boot_order);
1116 }
1117
1118 static void validate_bootdevices(const char *devices)
1119 {
1120 /* We just do some generic consistency checks */
1121 const char *p;
1122 int bitmap = 0;
1123
1124 for (p = devices; *p != '\0'; p++) {
1125 /* Allowed boot devices are:
1126 * a-b: floppy disk drives
1127 * c-f: IDE disk drives
1128 * g-m: machine implementation dependent drives
1129 * n-p: network devices
1130 * It's up to each machine implementation to check if the given boot
1131 * devices match the actual hardware implementation and firmware
1132 * features.
1133 */
1134 if (*p < 'a' || *p > 'p') {
1135 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1136 exit(1);
1137 }
1138 if (bitmap & (1 << (*p - 'a'))) {
1139 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1140 exit(1);
1141 }
1142 bitmap |= 1 << (*p - 'a');
1143 }
1144 }
1145
1146 static void restore_boot_order(void *opaque)
1147 {
1148 char *normal_boot_order = opaque;
1149 static int first = 1;
1150
1151 /* Restore boot order and remove ourselves after the first boot */
1152 if (first) {
1153 first = 0;
1154 return;
1155 }
1156
1157 qemu_boot_set(normal_boot_order);
1158
1159 qemu_unregister_reset(restore_boot_order, normal_boot_order);
1160 g_free(normal_boot_order);
1161 }
1162
1163 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
1164 const char *suffix)
1165 {
1166 FWBootEntry *node, *i;
1167
1168 if (bootindex < 0) {
1169 return;
1170 }
1171
1172 assert(dev != NULL || suffix != NULL);
1173
1174 node = g_malloc0(sizeof(FWBootEntry));
1175 node->bootindex = bootindex;
1176 node->suffix = g_strdup(suffix);
1177 node->dev = dev;
1178
1179 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1180 if (i->bootindex == bootindex) {
1181 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1182 exit(1);
1183 } else if (i->bootindex < bootindex) {
1184 continue;
1185 }
1186 QTAILQ_INSERT_BEFORE(i, node, link);
1187 return;
1188 }
1189 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1190 }
1191
1192 DeviceState *get_boot_device(uint32_t position)
1193 {
1194 uint32_t counter = 0;
1195 FWBootEntry *i = NULL;
1196 DeviceState *res = NULL;
1197
1198 if (!QTAILQ_EMPTY(&fw_boot_order)) {
1199 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1200 if (counter == position) {
1201 res = i->dev;
1202 break;
1203 }
1204 counter++;
1205 }
1206 }
1207 return res;
1208 }
1209
1210 /*
1211 * This function returns null terminated string that consist of new line
1212 * separated device paths.
1213 *
1214 * memory pointed by "size" is assigned total length of the array in bytes
1215 *
1216 */
1217 char *get_boot_devices_list(size_t *size, bool ignore_suffixes)
1218 {
1219 FWBootEntry *i;
1220 size_t total = 0;
1221 char *list = NULL;
1222
1223 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1224 char *devpath = NULL, *bootpath;
1225 size_t len;
1226
1227 if (i->dev) {
1228 devpath = qdev_get_fw_dev_path(i->dev);
1229 assert(devpath);
1230 }
1231
1232 if (i->suffix && !ignore_suffixes && devpath) {
1233 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1234
1235 bootpath = g_malloc(bootpathlen);
1236 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1237 g_free(devpath);
1238 } else if (devpath) {
1239 bootpath = devpath;
1240 } else if (!ignore_suffixes) {
1241 assert(i->suffix);
1242 bootpath = g_strdup(i->suffix);
1243 } else {
1244 bootpath = g_strdup("");
1245 }
1246
1247 if (total) {
1248 list[total-1] = '\n';
1249 }
1250 len = strlen(bootpath) + 1;
1251 list = g_realloc(list, total + len);
1252 memcpy(&list[total], bootpath, len);
1253 total += len;
1254 g_free(bootpath);
1255 }
1256
1257 *size = total;
1258
1259 if (boot_strict && *size > 0) {
1260 list[total-1] = '\n';
1261 list = g_realloc(list, total + 5);
1262 memcpy(&list[total], "HALT", 5);
1263 *size = total + 5;
1264 }
1265 return list;
1266 }
1267
1268 static void numa_node_parse_cpus(int nodenr, const char *cpus)
1269 {
1270 char *endptr;
1271 unsigned long long value, endvalue;
1272
1273 /* Empty CPU range strings will be considered valid, they will simply
1274 * not set any bit in the CPU bitmap.
1275 */
1276 if (!*cpus) {
1277 return;
1278 }
1279
1280 if (parse_uint(cpus, &value, &endptr, 10) < 0) {
1281 goto error;
1282 }
1283 if (*endptr == '-') {
1284 if (parse_uint_full(endptr + 1, &endvalue, 10) < 0) {
1285 goto error;
1286 }
1287 } else if (*endptr == '\0') {
1288 endvalue = value;
1289 } else {
1290 goto error;
1291 }
1292
1293 if (endvalue >= MAX_CPUMASK_BITS) {
1294 endvalue = MAX_CPUMASK_BITS - 1;
1295 fprintf(stderr,
1296 "qemu: NUMA: A max of %d VCPUs are supported\n",
1297 MAX_CPUMASK_BITS);
1298 }
1299
1300 if (endvalue < value) {
1301 goto error;
1302 }
1303
1304 bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
1305 return;
1306
1307 error:
1308 fprintf(stderr, "qemu: Invalid NUMA CPU range: %s\n", cpus);
1309 exit(1);
1310 }
1311
1312 static void numa_add(const char *optarg)
1313 {
1314 char option[128];
1315 char *endptr;
1316 unsigned long long nodenr;
1317
1318 optarg = get_opt_name(option, 128, optarg, ',');
1319 if (*optarg == ',') {
1320 optarg++;
1321 }
1322 if (!strcmp(option, "node")) {
1323
1324 if (nb_numa_nodes >= MAX_NODES) {
1325 fprintf(stderr, "qemu: too many NUMA nodes\n");
1326 exit(1);
1327 }
1328
1329 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1330 nodenr = nb_numa_nodes;
1331 } else {
1332 if (parse_uint_full(option, &nodenr, 10) < 0) {
1333 fprintf(stderr, "qemu: Invalid NUMA nodeid: %s\n", option);
1334 exit(1);
1335 }
1336 }
1337
1338 if (nodenr >= MAX_NODES) {
1339 fprintf(stderr, "qemu: invalid NUMA nodeid: %llu\n", nodenr);
1340 exit(1);
1341 }
1342
1343 if (get_param_value(option, 128, "mem", optarg) == 0) {
1344 node_mem[nodenr] = 0;
1345 } else {
1346 int64_t sval;
1347 sval = strtosz(option, &endptr);
1348 if (sval < 0 || *endptr) {
1349 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
1350 exit(1);
1351 }
1352 node_mem[nodenr] = sval;
1353 }
1354 if (get_param_value(option, 128, "cpus", optarg) != 0) {
1355 numa_node_parse_cpus(nodenr, option);
1356 }
1357 nb_numa_nodes++;
1358 } else {
1359 fprintf(stderr, "Invalid -numa option: %s\n", option);
1360 exit(1);
1361 }
1362 }
1363
1364 static QemuOptsList qemu_smp_opts = {
1365 .name = "smp-opts",
1366 .implied_opt_name = "cpus",
1367 .merge_lists = true,
1368 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1369 .desc = {
1370 {
1371 .name = "cpus",
1372 .type = QEMU_OPT_NUMBER,
1373 }, {
1374 .name = "sockets",
1375 .type = QEMU_OPT_NUMBER,
1376 }, {
1377 .name = "cores",
1378 .type = QEMU_OPT_NUMBER,
1379 }, {
1380 .name = "threads",
1381 .type = QEMU_OPT_NUMBER,
1382 }, {
1383 .name = "maxcpus",
1384 .type = QEMU_OPT_NUMBER,
1385 },
1386 { /*End of list */ }
1387 },
1388 };
1389
1390 static void smp_parse(QemuOpts *opts)
1391 {
1392 if (opts) {
1393
1394 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1395 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1396 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1397 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1398
1399 /* compute missing values, prefer sockets over cores over threads */
1400 if (cpus == 0 || sockets == 0) {
1401 sockets = sockets > 0 ? sockets : 1;
1402 cores = cores > 0 ? cores : 1;
1403 threads = threads > 0 ? threads : 1;
1404 if (cpus == 0) {
1405 cpus = cores * threads * sockets;
1406 }
1407 } else {
1408 if (cores == 0) {
1409 threads = threads > 0 ? threads : 1;
1410 cores = cpus / (sockets * threads);
1411 } else {
1412 threads = cpus / (cores * sockets);
1413 }
1414 }
1415
1416 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1417
1418 smp_cpus = cpus;
1419 smp_cores = cores > 0 ? cores : 1;
1420 smp_threads = threads > 0 ? threads : 1;
1421
1422 }
1423
1424 if (max_cpus == 0) {
1425 max_cpus = smp_cpus;
1426 }
1427
1428 if (max_cpus > MAX_CPUMASK_BITS) {
1429 fprintf(stderr, "Unsupported number of maxcpus\n");
1430 exit(1);
1431 }
1432 if (max_cpus < smp_cpus) {
1433 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1434 exit(1);
1435 }
1436
1437 }
1438
1439 static void configure_realtime(QemuOpts *opts)
1440 {
1441 bool enable_mlock;
1442
1443 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
1444
1445 if (enable_mlock) {
1446 if (os_mlock() < 0) {
1447 fprintf(stderr, "qemu: locking memory failed\n");
1448 exit(1);
1449 }
1450 }
1451 }
1452
1453
1454 static void configure_msg(QemuOpts *opts)
1455 {
1456 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1457 }
1458
1459 /***********************************************************/
1460 /* USB devices */
1461
1462 static int usb_device_add(const char *devname)
1463 {
1464 USBDevice *dev = NULL;
1465 #ifndef CONFIG_LINUX
1466 const char *p;
1467 #endif
1468
1469 if (!usb_enabled(false)) {
1470 return -1;
1471 }
1472
1473 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1474 dev = usbdevice_create(devname);
1475 if (dev)
1476 goto done;
1477
1478 /* the other ones */
1479 #ifndef CONFIG_LINUX
1480 /* only the linux version is qdev-ified, usb-bsd still needs this */
1481 if (strstart(devname, "host:", &p)) {
1482 dev = usb_host_device_open(usb_bus_find(-1), p);
1483 }
1484 #endif
1485 if (!dev)
1486 return -1;
1487
1488 done:
1489 return 0;
1490 }
1491
1492 static int usb_device_del(const char *devname)
1493 {
1494 int bus_num, addr;
1495 const char *p;
1496
1497 if (strstart(devname, "host:", &p)) {
1498 return -1;
1499 }
1500
1501 if (!usb_enabled(false)) {
1502 return -1;
1503 }
1504
1505 p = strchr(devname, '.');
1506 if (!p)
1507 return -1;
1508 bus_num = strtoul(devname, NULL, 0);
1509 addr = strtoul(p + 1, NULL, 0);
1510
1511 return usb_device_delete_addr(bus_num, addr);
1512 }
1513
1514 static int usb_parse(const char *cmdline)
1515 {
1516 int r;
1517 r = usb_device_add(cmdline);
1518 if (r < 0) {
1519 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1520 }
1521 return r;
1522 }
1523
1524 void do_usb_add(Monitor *mon, const QDict *qdict)
1525 {
1526 const char *devname = qdict_get_str(qdict, "devname");
1527 if (usb_device_add(devname) < 0) {
1528 error_report("could not add USB device '%s'", devname);
1529 }
1530 }
1531
1532 void do_usb_del(Monitor *mon, const QDict *qdict)
1533 {
1534 const char *devname = qdict_get_str(qdict, "devname");
1535 if (usb_device_del(devname) < 0) {
1536 error_report("could not delete USB device '%s'", devname);
1537 }
1538 }
1539
1540 /***********************************************************/
1541 /* PCMCIA/Cardbus */
1542
1543 static struct pcmcia_socket_entry_s {
1544 PCMCIASocket *socket;
1545 struct pcmcia_socket_entry_s *next;
1546 } *pcmcia_sockets = 0;
1547
1548 void pcmcia_socket_register(PCMCIASocket *socket)
1549 {
1550 struct pcmcia_socket_entry_s *entry;
1551
1552 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1553 entry->socket = socket;
1554 entry->next = pcmcia_sockets;
1555 pcmcia_sockets = entry;
1556 }
1557
1558 void pcmcia_socket_unregister(PCMCIASocket *socket)
1559 {
1560 struct pcmcia_socket_entry_s *entry, **ptr;
1561
1562 ptr = &pcmcia_sockets;
1563 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1564 if (entry->socket == socket) {
1565 *ptr = entry->next;
1566 g_free(entry);
1567 }
1568 }
1569
1570 void pcmcia_info(Monitor *mon, const QDict *qdict)
1571 {
1572 struct pcmcia_socket_entry_s *iter;
1573
1574 if (!pcmcia_sockets)
1575 monitor_printf(mon, "No PCMCIA sockets\n");
1576
1577 for (iter = pcmcia_sockets; iter; iter = iter->next)
1578 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1579 iter->socket->attached ? iter->socket->card_string :
1580 "Empty");
1581 }
1582
1583 /***********************************************************/
1584 /* machine registration */
1585
1586 MachineState *current_machine;
1587
1588 static void machine_class_init(ObjectClass *oc, void *data)
1589 {
1590 MachineClass *mc = MACHINE_CLASS(oc);
1591
1592 mc->qemu_machine = data;
1593 }
1594
1595 int qemu_register_machine(QEMUMachine *m)
1596 {
1597 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1598 TypeInfo ti = {
1599 .name = name,
1600 .parent = TYPE_MACHINE,
1601 .class_init = machine_class_init,
1602 .class_data = (void *)m,
1603 };
1604
1605 type_register(&ti);
1606 g_free(name);
1607
1608 return 0;
1609 }
1610
1611 static MachineClass *find_machine(const char *name)
1612 {
1613 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1614 MachineClass *mc = NULL;
1615
1616 for (el = machines; el; el = el->next) {
1617 MachineClass *temp = el->data;
1618
1619 if (!strcmp(temp->qemu_machine->name, name)) {
1620 mc = temp;
1621 break;
1622 }
1623 if (temp->qemu_machine->alias &&
1624 !strcmp(temp->qemu_machine->alias, name)) {
1625 mc = temp;
1626 break;
1627 }
1628 }
1629
1630 g_slist_free(machines);
1631 return mc;
1632 }
1633
1634 MachineClass *find_default_machine(void)
1635 {
1636 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1637 MachineClass *mc = NULL;
1638
1639 for (el = machines; el; el = el->next) {
1640 MachineClass *temp = el->data;
1641
1642 if (temp->qemu_machine->is_default) {
1643 mc = temp;
1644 break;
1645 }
1646 }
1647
1648 g_slist_free(machines);
1649 return mc;
1650 }
1651
1652 MachineInfoList *qmp_query_machines(Error **errp)
1653 {
1654 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1655 MachineInfoList *mach_list = NULL;
1656 QEMUMachine *m;
1657
1658 for (el = machines; el; el = el->next) {
1659 MachineClass *mc = el->data;
1660 MachineInfoList *entry;
1661 MachineInfo *info;
1662
1663 m = mc->qemu_machine;
1664 info = g_malloc0(sizeof(*info));
1665 if (m->is_default) {
1666 info->has_is_default = true;
1667 info->is_default = true;
1668 }
1669
1670 if (m->alias) {
1671 info->has_alias = true;
1672 info->alias = g_strdup(m->alias);
1673 }
1674
1675 info->name = g_strdup(m->name);
1676 info->cpu_max = !m->max_cpus ? 1 : m->max_cpus;
1677
1678 entry = g_malloc0(sizeof(*entry));
1679 entry->value = info;
1680 entry->next = mach_list;
1681 mach_list = entry;
1682 }
1683
1684 g_slist_free(machines);
1685 return mach_list;
1686 }
1687
1688 /***********************************************************/
1689 /* main execution loop */
1690
1691 struct vm_change_state_entry {
1692 VMChangeStateHandler *cb;
1693 void *opaque;
1694 QLIST_ENTRY (vm_change_state_entry) entries;
1695 };
1696
1697 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1698
1699 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1700 void *opaque)
1701 {
1702 VMChangeStateEntry *e;
1703
1704 e = g_malloc0(sizeof (*e));
1705
1706 e->cb = cb;
1707 e->opaque = opaque;
1708 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1709 return e;
1710 }
1711
1712 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1713 {
1714 QLIST_REMOVE (e, entries);
1715 g_free (e);
1716 }
1717
1718 void vm_state_notify(int running, RunState state)
1719 {
1720 VMChangeStateEntry *e;
1721
1722 trace_vm_state_notify(running, state);
1723
1724 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1725 e->cb(e->opaque, running, state);
1726 }
1727 }
1728
1729 void vm_start(void)
1730 {
1731 if (!runstate_is_running()) {
1732 cpu_enable_ticks();
1733 runstate_set(RUN_STATE_RUNNING);
1734 vm_state_notify(1, RUN_STATE_RUNNING);
1735 resume_all_vcpus();
1736 monitor_protocol_event(QEVENT_RESUME, NULL);
1737 }
1738 }
1739
1740 /* reset/shutdown handler */
1741
1742 typedef struct QEMUResetEntry {
1743 QTAILQ_ENTRY(QEMUResetEntry) entry;
1744 QEMUResetHandler *func;
1745 void *opaque;
1746 } QEMUResetEntry;
1747
1748 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1749 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1750 static int reset_requested;
1751 static int shutdown_requested, shutdown_signal = -1;
1752 static pid_t shutdown_pid;
1753 static int powerdown_requested;
1754 static int debug_requested;
1755 static int suspend_requested;
1756 static WakeupReason wakeup_reason;
1757 static NotifierList powerdown_notifiers =
1758 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1759 static NotifierList suspend_notifiers =
1760 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1761 static NotifierList wakeup_notifiers =
1762 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1763 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1764 static RunState vmstop_requested = RUN_STATE_MAX;
1765
1766 int qemu_shutdown_requested_get(void)
1767 {
1768 return shutdown_requested;
1769 }
1770
1771 int qemu_reset_requested_get(void)
1772 {
1773 return reset_requested;
1774 }
1775
1776 static int qemu_shutdown_requested(void)
1777 {
1778 int r = shutdown_requested;
1779 shutdown_requested = 0;
1780 return r;
1781 }
1782
1783 static void qemu_kill_report(void)
1784 {
1785 if (!qtest_driver() && shutdown_signal != -1) {
1786 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1787 if (shutdown_pid == 0) {
1788 /* This happens for eg ^C at the terminal, so it's worth
1789 * avoiding printing an odd message in that case.
1790 */
1791 fputc('\n', stderr);
1792 } else {
1793 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1794 }
1795 shutdown_signal = -1;
1796 }
1797 }
1798
1799 static int qemu_reset_requested(void)
1800 {
1801 int r = reset_requested;
1802 reset_requested = 0;
1803 return r;
1804 }
1805
1806 static int qemu_suspend_requested(void)
1807 {
1808 int r = suspend_requested;
1809 suspend_requested = 0;
1810 return r;
1811 }
1812
1813 static WakeupReason qemu_wakeup_requested(void)
1814 {
1815 return wakeup_reason;
1816 }
1817
1818 static int qemu_powerdown_requested(void)
1819 {
1820 int r = powerdown_requested;
1821 powerdown_requested = 0;
1822 return r;
1823 }
1824
1825 static int qemu_debug_requested(void)
1826 {
1827 int r = debug_requested;
1828 debug_requested = 0;
1829 return r;
1830 }
1831
1832 /* We use RUN_STATE_MAX but any invalid value will do */
1833 static bool qemu_vmstop_requested(RunState *r)
1834 {
1835 if (vmstop_requested < RUN_STATE_MAX) {
1836 *r = vmstop_requested;
1837 vmstop_requested = RUN_STATE_MAX;
1838 return true;
1839 }
1840
1841 return false;
1842 }
1843
1844 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1845 {
1846 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1847
1848 re->func = func;
1849 re->opaque = opaque;
1850 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1851 }
1852
1853 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1854 {
1855 QEMUResetEntry *re;
1856
1857 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1858 if (re->func == func && re->opaque == opaque) {
1859 QTAILQ_REMOVE(&reset_handlers, re, entry);
1860 g_free(re);
1861 return;
1862 }
1863 }
1864 }
1865
1866 void qemu_devices_reset(void)
1867 {
1868 QEMUResetEntry *re, *nre;
1869
1870 /* reset all devices */
1871 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1872 re->func(re->opaque);
1873 }
1874 }
1875
1876 void qemu_system_reset(bool report)
1877 {
1878 MachineClass *mc;
1879
1880 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1881
1882 if (mc && mc->qemu_machine->reset) {
1883 mc->qemu_machine->reset();
1884 } else {
1885 qemu_devices_reset();
1886 }
1887 if (report) {
1888 monitor_protocol_event(QEVENT_RESET, NULL);
1889 }
1890 cpu_synchronize_all_post_reset();
1891 }
1892
1893 void qemu_system_reset_request(void)
1894 {
1895 if (no_reboot) {
1896 shutdown_requested = 1;
1897 } else {
1898 reset_requested = 1;
1899 }
1900 cpu_stop_current();
1901 qemu_notify_event();
1902 }
1903
1904 static void qemu_system_suspend(void)
1905 {
1906 pause_all_vcpus();
1907 notifier_list_notify(&suspend_notifiers, NULL);
1908 runstate_set(RUN_STATE_SUSPENDED);
1909 monitor_protocol_event(QEVENT_SUSPEND, NULL);
1910 }
1911
1912 void qemu_system_suspend_request(void)
1913 {
1914 if (runstate_check(RUN_STATE_SUSPENDED)) {
1915 return;
1916 }
1917 suspend_requested = 1;
1918 cpu_stop_current();
1919 qemu_notify_event();
1920 }
1921
1922 void qemu_register_suspend_notifier(Notifier *notifier)
1923 {
1924 notifier_list_add(&suspend_notifiers, notifier);
1925 }
1926
1927 void qemu_system_wakeup_request(WakeupReason reason)
1928 {
1929 trace_system_wakeup_request(reason);
1930
1931 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1932 return;
1933 }
1934 if (!(wakeup_reason_mask & (1 << reason))) {
1935 return;
1936 }
1937 runstate_set(RUN_STATE_RUNNING);
1938 wakeup_reason = reason;
1939 qemu_notify_event();
1940 }
1941
1942 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1943 {
1944 if (enabled) {
1945 wakeup_reason_mask |= (1 << reason);
1946 } else {
1947 wakeup_reason_mask &= ~(1 << reason);
1948 }
1949 }
1950
1951 void qemu_register_wakeup_notifier(Notifier *notifier)
1952 {
1953 notifier_list_add(&wakeup_notifiers, notifier);
1954 }
1955
1956 void qemu_system_killed(int signal, pid_t pid)
1957 {
1958 shutdown_signal = signal;
1959 shutdown_pid = pid;
1960 no_shutdown = 0;
1961 qemu_system_shutdown_request();
1962 }
1963
1964 void qemu_system_shutdown_request(void)
1965 {
1966 shutdown_requested = 1;
1967 qemu_notify_event();
1968 }
1969
1970 static void qemu_system_powerdown(void)
1971 {
1972 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1973 notifier_list_notify(&powerdown_notifiers, NULL);
1974 }
1975
1976 void qemu_system_powerdown_request(void)
1977 {
1978 powerdown_requested = 1;
1979 qemu_notify_event();
1980 }
1981
1982 void qemu_register_powerdown_notifier(Notifier *notifier)
1983 {
1984 notifier_list_add(&powerdown_notifiers, notifier);
1985 }
1986
1987 void qemu_system_debug_request(void)
1988 {
1989 debug_requested = 1;
1990 qemu_notify_event();
1991 }
1992
1993 void qemu_system_vmstop_request(RunState state)
1994 {
1995 vmstop_requested = state;
1996 qemu_notify_event();
1997 }
1998
1999 static bool main_loop_should_exit(void)
2000 {
2001 RunState r;
2002 if (qemu_debug_requested()) {
2003 vm_stop(RUN_STATE_DEBUG);
2004 }
2005 if (qemu_suspend_requested()) {
2006 qemu_system_suspend();
2007 }
2008 if (qemu_shutdown_requested()) {
2009 qemu_kill_report();
2010 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
2011 if (no_shutdown) {
2012 vm_stop(RUN_STATE_SHUTDOWN);
2013 } else {
2014 return true;
2015 }
2016 }
2017 if (qemu_reset_requested()) {
2018 pause_all_vcpus();
2019 cpu_synchronize_all_states();
2020 qemu_system_reset(VMRESET_REPORT);
2021 resume_all_vcpus();
2022 if (runstate_needs_reset()) {
2023 runstate_set(RUN_STATE_PAUSED);
2024 }
2025 }
2026 if (qemu_wakeup_requested()) {
2027 pause_all_vcpus();
2028 cpu_synchronize_all_states();
2029 qemu_system_reset(VMRESET_SILENT);
2030 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
2031 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
2032 resume_all_vcpus();
2033 monitor_protocol_event(QEVENT_WAKEUP, NULL);
2034 }
2035 if (qemu_powerdown_requested()) {
2036 qemu_system_powerdown();
2037 }
2038 if (qemu_vmstop_requested(&r)) {
2039 vm_stop(r);
2040 }
2041 return false;
2042 }
2043
2044 static void main_loop(void)
2045 {
2046 bool nonblocking;
2047 int last_io = 0;
2048 #ifdef CONFIG_PROFILER
2049 int64_t ti;
2050 #endif
2051 do {
2052 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
2053 #ifdef CONFIG_PROFILER
2054 ti = profile_getclock();
2055 #endif
2056 last_io = main_loop_wait(nonblocking);
2057 #ifdef CONFIG_PROFILER
2058 dev_time += profile_getclock() - ti;
2059 #endif
2060 } while (!main_loop_should_exit());
2061 }
2062
2063 static void version(void)
2064 {
2065 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
2066 }
2067
2068 static void help(int exitcode)
2069 {
2070 version();
2071 printf("usage: %s [options] [disk_image]\n\n"
2072 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2073 error_get_progname());
2074
2075 #define QEMU_OPTIONS_GENERATE_HELP
2076 #include "qemu-options-wrapper.h"
2077
2078 printf("\nDuring emulation, the following keys are useful:\n"
2079 "ctrl-alt-f toggle full screen\n"
2080 "ctrl-alt-n switch to virtual console 'n'\n"
2081 "ctrl-alt toggle mouse and keyboard grab\n"
2082 "\n"
2083 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2084
2085 exit(exitcode);
2086 }
2087
2088 #define HAS_ARG 0x0001
2089
2090 typedef struct QEMUOption {
2091 const char *name;
2092 int flags;
2093 int index;
2094 uint32_t arch_mask;
2095 } QEMUOption;
2096
2097 static const QEMUOption qemu_options[] = {
2098 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2099 #define QEMU_OPTIONS_GENERATE_OPTIONS
2100 #include "qemu-options-wrapper.h"
2101 { NULL },
2102 };
2103
2104 static bool vga_available(void)
2105 {
2106 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2107 }
2108
2109 static bool cirrus_vga_available(void)
2110 {
2111 return object_class_by_name("cirrus-vga")
2112 || object_class_by_name("isa-cirrus-vga");
2113 }
2114
2115 static bool vmware_vga_available(void)
2116 {
2117 return object_class_by_name("vmware-svga");
2118 }
2119
2120 static bool qxl_vga_available(void)
2121 {
2122 return object_class_by_name("qxl-vga");
2123 }
2124
2125 static bool tcx_vga_available(void)
2126 {
2127 return object_class_by_name("SUNW,tcx");
2128 }
2129
2130 static bool cg3_vga_available(void)
2131 {
2132 return object_class_by_name("cgthree");
2133 }
2134
2135 static void select_vgahw (const char *p)
2136 {
2137 const char *opts;
2138
2139 assert(vga_interface_type == VGA_NONE);
2140 if (strstart(p, "std", &opts)) {
2141 if (vga_available()) {
2142 vga_interface_type = VGA_STD;
2143 } else {
2144 fprintf(stderr, "Error: standard VGA not available\n");
2145 exit(0);
2146 }
2147 } else if (strstart(p, "cirrus", &opts)) {
2148 if (cirrus_vga_available()) {
2149 vga_interface_type = VGA_CIRRUS;
2150 } else {
2151 fprintf(stderr, "Error: Cirrus VGA not available\n");
2152 exit(0);
2153 }
2154 } else if (strstart(p, "vmware", &opts)) {
2155 if (vmware_vga_available()) {
2156 vga_interface_type = VGA_VMWARE;
2157 } else {
2158 fprintf(stderr, "Error: VMWare SVGA not available\n");
2159 exit(0);
2160 }
2161 } else if (strstart(p, "xenfb", &opts)) {
2162 vga_interface_type = VGA_XENFB;
2163 } else if (strstart(p, "qxl", &opts)) {
2164 if (qxl_vga_available()) {
2165 vga_interface_type = VGA_QXL;
2166 } else {
2167 fprintf(stderr, "Error: QXL VGA not available\n");
2168 exit(0);
2169 }
2170 } else if (strstart(p, "tcx", &opts)) {
2171 if (tcx_vga_available()) {
2172 vga_interface_type = VGA_TCX;
2173 } else {
2174 fprintf(stderr, "Error: TCX framebuffer not available\n");
2175 exit(0);
2176 }
2177 } else if (strstart(p, "cg3", &opts)) {
2178 if (cg3_vga_available()) {
2179 vga_interface_type = VGA_CG3;
2180 } else {
2181 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2182 exit(0);
2183 }
2184 } else if (!strstart(p, "none", &opts)) {
2185 invalid_vga:
2186 fprintf(stderr, "Unknown vga type: %s\n", p);
2187 exit(1);
2188 }
2189 while (*opts) {
2190 const char *nextopt;
2191
2192 if (strstart(opts, ",retrace=", &nextopt)) {
2193 opts = nextopt;
2194 if (strstart(opts, "dumb", &nextopt))
2195 vga_retrace_method = VGA_RETRACE_DUMB;
2196 else if (strstart(opts, "precise", &nextopt))
2197 vga_retrace_method = VGA_RETRACE_PRECISE;
2198 else goto invalid_vga;
2199 } else goto invalid_vga;
2200 opts = nextopt;
2201 }
2202 }
2203
2204 static DisplayType select_display(const char *p)
2205 {
2206 const char *opts;
2207 DisplayType display = DT_DEFAULT;
2208
2209 if (strstart(p, "sdl", &opts)) {
2210 #ifdef CONFIG_SDL
2211 display = DT_SDL;
2212 while (*opts) {
2213 const char *nextopt;
2214
2215 if (strstart(opts, ",frame=", &nextopt)) {
2216 opts = nextopt;
2217 if (strstart(opts, "on", &nextopt)) {
2218 no_frame = 0;
2219 } else if (strstart(opts, "off", &nextopt)) {
2220 no_frame = 1;
2221 } else {
2222 goto invalid_sdl_args;
2223 }
2224 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2225 opts = nextopt;
2226 if (strstart(opts, "on", &nextopt)) {
2227 alt_grab = 1;
2228 } else if (strstart(opts, "off", &nextopt)) {
2229 alt_grab = 0;
2230 } else {
2231 goto invalid_sdl_args;
2232 }
2233 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2234 opts = nextopt;
2235 if (strstart(opts, "on", &nextopt)) {
2236 ctrl_grab = 1;
2237 } else if (strstart(opts, "off", &nextopt)) {
2238 ctrl_grab = 0;
2239 } else {
2240 goto invalid_sdl_args;
2241 }
2242 } else if (strstart(opts, ",window_close=", &nextopt)) {
2243 opts = nextopt;
2244 if (strstart(opts, "on", &nextopt)) {
2245 no_quit = 0;
2246 } else if (strstart(opts, "off", &nextopt)) {
2247 no_quit = 1;
2248 } else {
2249 goto invalid_sdl_args;
2250 }
2251 } else {
2252 invalid_sdl_args:
2253 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2254 exit(1);
2255 }
2256 opts = nextopt;
2257 }
2258 #else
2259 fprintf(stderr, "SDL support is disabled\n");
2260 exit(1);
2261 #endif
2262 } else if (strstart(p, "vnc", &opts)) {
2263 #ifdef CONFIG_VNC
2264 display_remote++;
2265
2266 if (*opts) {
2267 const char *nextopt;
2268
2269 if (strstart(opts, "=", &nextopt)) {
2270 vnc_display = nextopt;
2271 }
2272 }
2273 if (!vnc_display) {
2274 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2275 exit(1);
2276 }
2277 #else
2278 fprintf(stderr, "VNC support is disabled\n");
2279 exit(1);
2280 #endif
2281 } else if (strstart(p, "curses", &opts)) {
2282 #ifdef CONFIG_CURSES
2283 display = DT_CURSES;
2284 #else
2285 fprintf(stderr, "Curses support is disabled\n");
2286 exit(1);
2287 #endif
2288 } else if (strstart(p, "gtk", &opts)) {
2289 #ifdef CONFIG_GTK
2290 display = DT_GTK;
2291 while (*opts) {
2292 const char *nextopt;
2293
2294 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2295 opts = nextopt;
2296 if (strstart(opts, "on", &nextopt)) {
2297 grab_on_hover = true;
2298 } else if (strstart(opts, "off", &nextopt)) {
2299 grab_on_hover = false;
2300 } else {
2301 goto invalid_gtk_args;
2302 }
2303 } else {
2304 invalid_gtk_args:
2305 fprintf(stderr, "Invalid GTK option string: %s\n", p);
2306 exit(1);
2307 }
2308 opts = nextopt;
2309 }
2310 #else
2311 fprintf(stderr, "GTK support is disabled\n");
2312 exit(1);
2313 #endif
2314 } else if (strstart(p, "none", &opts)) {
2315 display = DT_NONE;
2316 } else {
2317 fprintf(stderr, "Unknown display type: %s\n", p);
2318 exit(1);
2319 }
2320
2321 return display;
2322 }
2323
2324 static int balloon_parse(const char *arg)
2325 {
2326 QemuOpts *opts;
2327
2328 if (strcmp(arg, "none") == 0) {
2329 return 0;
2330 }
2331
2332 if (!strncmp(arg, "virtio", 6)) {
2333 if (arg[6] == ',') {
2334 /* have params -> parse them */
2335 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2336 if (!opts)
2337 return -1;
2338 } else {
2339 /* create empty opts */
2340 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2341 &error_abort);
2342 }
2343 qemu_opt_set(opts, "driver", "virtio-balloon");
2344 return 0;
2345 }
2346
2347 return -1;
2348 }
2349
2350 char *qemu_find_file(int type, const char *name)
2351 {
2352 int i;
2353 const char *subdir;
2354 char *buf;
2355
2356 /* Try the name as a straight path first */
2357 if (access(name, R_OK) == 0) {
2358 trace_load_file(name, name);
2359 return g_strdup(name);
2360 }
2361
2362 switch (type) {
2363 case QEMU_FILE_TYPE_BIOS:
2364 subdir = "";
2365 break;
2366 case QEMU_FILE_TYPE_KEYMAP:
2367 subdir = "keymaps/";
2368 break;
2369 default:
2370 abort();
2371 }
2372
2373 for (i = 0; i < data_dir_idx; i++) {
2374 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2375 if (access(buf, R_OK) == 0) {
2376 trace_load_file(name, buf);
2377 return buf;
2378 }
2379 g_free(buf);
2380 }
2381 return NULL;
2382 }
2383
2384 static int device_help_func(QemuOpts *opts, void *opaque)
2385 {
2386 return qdev_device_help(opts);
2387 }
2388
2389 static int device_init_func(QemuOpts *opts, void *opaque)
2390 {
2391 DeviceState *dev;
2392
2393 dev = qdev_device_add(opts);
2394 if (!dev)
2395 return -1;
2396 object_unref(OBJECT(dev));
2397 return 0;
2398 }
2399
2400 static int chardev_init_func(QemuOpts *opts, void *opaque)
2401 {
2402 Error *local_err = NULL;
2403
2404 qemu_chr_new_from_opts(opts, NULL, &local_err);
2405 if (local_err) {
2406 error_report("%s", error_get_pretty(local_err));
2407 error_free(local_err);
2408 return -1;
2409 }
2410 return 0;
2411 }
2412
2413 #ifdef CONFIG_VIRTFS
2414 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2415 {
2416 int ret;
2417 ret = qemu_fsdev_add(opts);
2418
2419 return ret;
2420 }
2421 #endif
2422
2423 static int mon_init_func(QemuOpts *opts, void *opaque)
2424 {
2425 CharDriverState *chr;
2426 const char *chardev;
2427 const char *mode;
2428 int flags;
2429
2430 mode = qemu_opt_get(opts, "mode");
2431 if (mode == NULL) {
2432 mode = "readline";
2433 }
2434 if (strcmp(mode, "readline") == 0) {
2435 flags = MONITOR_USE_READLINE;
2436 } else if (strcmp(mode, "control") == 0) {
2437 flags = MONITOR_USE_CONTROL;
2438 } else {
2439 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2440 exit(1);
2441 }
2442
2443 if (qemu_opt_get_bool(opts, "pretty", 0))
2444 flags |= MONITOR_USE_PRETTY;
2445
2446 if (qemu_opt_get_bool(opts, "default", 0))
2447 flags |= MONITOR_IS_DEFAULT;
2448
2449 chardev = qemu_opt_get(opts, "chardev");
2450 chr = qemu_chr_find(chardev);
2451 if (chr == NULL) {
2452 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2453 exit(1);
2454 }
2455
2456 qemu_chr_fe_claim_no_fail(chr);
2457 monitor_init(chr, flags);
2458 return 0;
2459 }
2460
2461 static void monitor_parse(const char *optarg, const char *mode)
2462 {
2463 static int monitor_device_index = 0;
2464 QemuOpts *opts;
2465 const char *p;
2466 char label[32];
2467 int def = 0;
2468
2469 if (strstart(optarg, "chardev:", &p)) {
2470 snprintf(label, sizeof(label), "%s", p);
2471 } else {
2472 snprintf(label, sizeof(label), "compat_monitor%d",
2473 monitor_device_index);
2474 if (monitor_device_index == 0) {
2475 def = 1;
2476 }
2477 opts = qemu_chr_parse_compat(label, optarg);
2478 if (!opts) {
2479 fprintf(stderr, "parse error: %s\n", optarg);
2480 exit(1);
2481 }
2482 }
2483
2484 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2485 if (!opts) {
2486 fprintf(stderr, "duplicate chardev: %s\n", label);
2487 exit(1);
2488 }
2489 qemu_opt_set(opts, "mode", mode);
2490 qemu_opt_set(opts, "chardev", label);
2491 if (def)
2492 qemu_opt_set(opts, "default", "on");
2493 monitor_device_index++;
2494 }
2495
2496 struct device_config {
2497 enum {
2498 DEV_USB, /* -usbdevice */
2499 DEV_BT, /* -bt */
2500 DEV_SERIAL, /* -serial */
2501 DEV_PARALLEL, /* -parallel */
2502 DEV_VIRTCON, /* -virtioconsole */
2503 DEV_DEBUGCON, /* -debugcon */
2504 DEV_GDB, /* -gdb, -s */
2505 DEV_SCLP, /* s390 sclp */
2506 } type;
2507 const char *cmdline;
2508 Location loc;
2509 QTAILQ_ENTRY(device_config) next;
2510 };
2511
2512 static QTAILQ_HEAD(, device_config) device_configs =
2513 QTAILQ_HEAD_INITIALIZER(device_configs);
2514
2515 static void add_device_config(int type, const char *cmdline)
2516 {
2517 struct device_config *conf;
2518
2519 conf = g_malloc0(sizeof(*conf));
2520 conf->type = type;
2521 conf->cmdline = cmdline;
2522 loc_save(&conf->loc);
2523 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2524 }
2525
2526 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2527 {
2528 struct device_config *conf;
2529 int rc;
2530
2531 QTAILQ_FOREACH(conf, &device_configs, next) {
2532 if (conf->type != type)
2533 continue;
2534 loc_push_restore(&conf->loc);
2535 rc = func(conf->cmdline);
2536 loc_pop(&conf->loc);
2537 if (0 != rc)
2538 return rc;
2539 }
2540 return 0;
2541 }
2542
2543 static int serial_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_SERIAL_PORTS) {
2551 fprintf(stderr, "qemu: too many serial ports\n");
2552 exit(1);
2553 }
2554 snprintf(label, sizeof(label), "serial%d", index);
2555 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2556 if (!serial_hds[index]) {
2557 fprintf(stderr, "qemu: could not connect serial device"
2558 " to character backend '%s'\n", devname);
2559 return -1;
2560 }
2561 index++;
2562 return 0;
2563 }
2564
2565 static int parallel_parse(const char *devname)
2566 {
2567 static int index = 0;
2568 char label[32];
2569
2570 if (strcmp(devname, "none") == 0)
2571 return 0;
2572 if (index == MAX_PARALLEL_PORTS) {
2573 fprintf(stderr, "qemu: too many parallel ports\n");
2574 exit(1);
2575 }
2576 snprintf(label, sizeof(label), "parallel%d", index);
2577 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2578 if (!parallel_hds[index]) {
2579 fprintf(stderr, "qemu: could not connect parallel device"
2580 " to character backend '%s'\n", devname);
2581 return -1;
2582 }
2583 index++;
2584 return 0;
2585 }
2586
2587 static int virtcon_parse(const char *devname)
2588 {
2589 QemuOptsList *device = qemu_find_opts("device");
2590 static int index = 0;
2591 char label[32];
2592 QemuOpts *bus_opts, *dev_opts;
2593
2594 if (strcmp(devname, "none") == 0)
2595 return 0;
2596 if (index == MAX_VIRTIO_CONSOLES) {
2597 fprintf(stderr, "qemu: too many virtio consoles\n");
2598 exit(1);
2599 }
2600
2601 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2602 if (arch_type == QEMU_ARCH_S390X) {
2603 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2604 } else {
2605 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2606 }
2607
2608 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2609 qemu_opt_set(dev_opts, "driver", "virtconsole");
2610
2611 snprintf(label, sizeof(label), "virtcon%d", index);
2612 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2613 if (!virtcon_hds[index]) {
2614 fprintf(stderr, "qemu: could not connect virtio console"
2615 " to character backend '%s'\n", devname);
2616 return -1;
2617 }
2618 qemu_opt_set(dev_opts, "chardev", label);
2619
2620 index++;
2621 return 0;
2622 }
2623
2624 static int sclp_parse(const char *devname)
2625 {
2626 QemuOptsList *device = qemu_find_opts("device");
2627 static int index = 0;
2628 char label[32];
2629 QemuOpts *dev_opts;
2630
2631 if (strcmp(devname, "none") == 0) {
2632 return 0;
2633 }
2634 if (index == MAX_SCLP_CONSOLES) {
2635 fprintf(stderr, "qemu: too many sclp consoles\n");
2636 exit(1);
2637 }
2638
2639 assert(arch_type == QEMU_ARCH_S390X);
2640
2641 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2642 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2643
2644 snprintf(label, sizeof(label), "sclpcon%d", index);
2645 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2646 if (!sclp_hds[index]) {
2647 fprintf(stderr, "qemu: could not connect sclp console"
2648 " to character backend '%s'\n", devname);
2649 return -1;
2650 }
2651 qemu_opt_set(dev_opts, "chardev", label);
2652
2653 index++;
2654 return 0;
2655 }
2656
2657 static int debugcon_parse(const char *devname)
2658 {
2659 QemuOpts *opts;
2660
2661 if (!qemu_chr_new("debugcon", devname, NULL)) {
2662 exit(1);
2663 }
2664 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2665 if (!opts) {
2666 fprintf(stderr, "qemu: already have a debugcon device\n");
2667 exit(1);
2668 }
2669 qemu_opt_set(opts, "driver", "isa-debugcon");
2670 qemu_opt_set(opts, "chardev", "debugcon");
2671 return 0;
2672 }
2673
2674 static MachineClass *machine_parse(const char *name)
2675 {
2676 MachineClass *mc = NULL;
2677 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2678
2679 if (name) {
2680 mc = find_machine(name);
2681 }
2682 if (mc) {
2683 return mc;
2684 }
2685 if (name && !is_help_option(name)) {
2686 error_report("Unsupported machine type");
2687 error_printf("Use -machine help to list supported machines!\n");
2688 } else {
2689 printf("Supported machines are:\n");
2690 for (el = machines; el; el = el->next) {
2691 MachineClass *mc = el->data;
2692 QEMUMachine *m = mc->qemu_machine;
2693 if (m->alias) {
2694 printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2695 }
2696 printf("%-20s %s%s\n", m->name, m->desc,
2697 m->is_default ? " (default)" : "");
2698 }
2699 }
2700
2701 g_slist_free(machines);
2702 exit(!name || !is_help_option(name));
2703 }
2704
2705 static int tcg_init(QEMUMachine *machine)
2706 {
2707 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2708 return 0;
2709 }
2710
2711 static struct {
2712 const char *opt_name;
2713 const char *name;
2714 int (*available)(void);
2715 int (*init)(QEMUMachine *);
2716 bool *allowed;
2717 } accel_list[] = {
2718 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2719 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2720 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2721 { "qtest", "QTest", qtest_available, qtest_init_accel, &qtest_allowed },
2722 };
2723
2724 static int configure_accelerator(QEMUMachine *machine)
2725 {
2726 const char *p;
2727 char buf[10];
2728 int i, ret;
2729 bool accel_initialised = false;
2730 bool init_failed = false;
2731
2732 p = qemu_opt_get(qemu_get_machine_opts(), "accel");
2733 if (p == NULL) {
2734 /* Use the default "accelerator", tcg */
2735 p = "tcg";
2736 }
2737
2738 while (!accel_initialised && *p != '\0') {
2739 if (*p == ':') {
2740 p++;
2741 }
2742 p = get_opt_name(buf, sizeof (buf), p, ':');
2743 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2744 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2745 if (!accel_list[i].available()) {
2746 printf("%s not supported for this target\n",
2747 accel_list[i].name);
2748 break;
2749 }
2750 *(accel_list[i].allowed) = true;
2751 ret = accel_list[i].init(machine);
2752 if (ret < 0) {
2753 init_failed = true;
2754 fprintf(stderr, "failed to initialize %s: %s\n",
2755 accel_list[i].name,
2756 strerror(-ret));
2757 *(accel_list[i].allowed) = false;
2758 } else {
2759 accel_initialised = true;
2760 }
2761 break;
2762 }
2763 }
2764 if (i == ARRAY_SIZE(accel_list)) {
2765 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2766 }
2767 }
2768
2769 if (!accel_initialised) {
2770 if (!init_failed) {
2771 fprintf(stderr, "No accelerator found!\n");
2772 }
2773 exit(1);
2774 }
2775
2776 if (init_failed) {
2777 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2778 }
2779
2780 return !accel_initialised;
2781 }
2782
2783 void qemu_add_exit_notifier(Notifier *notify)
2784 {
2785 notifier_list_add(&exit_notifiers, notify);
2786 }
2787
2788 void qemu_remove_exit_notifier(Notifier *notify)
2789 {
2790 notifier_remove(notify);
2791 }
2792
2793 static void qemu_run_exit_notifiers(void)
2794 {
2795 notifier_list_notify(&exit_notifiers, NULL);
2796 }
2797
2798 void qemu_add_machine_init_done_notifier(Notifier *notify)
2799 {
2800 notifier_list_add(&machine_init_done_notifiers, notify);
2801 }
2802
2803 static void qemu_run_machine_init_done_notifiers(void)
2804 {
2805 notifier_list_notify(&machine_init_done_notifiers, NULL);
2806 }
2807
2808 static const QEMUOption *lookup_opt(int argc, char **argv,
2809 const char **poptarg, int *poptind)
2810 {
2811 const QEMUOption *popt;
2812 int optind = *poptind;
2813 char *r = argv[optind];
2814 const char *optarg;
2815
2816 loc_set_cmdline(argv, optind, 1);
2817 optind++;
2818 /* Treat --foo the same as -foo. */
2819 if (r[1] == '-')
2820 r++;
2821 popt = qemu_options;
2822 for(;;) {
2823 if (!popt->name) {
2824 error_report("invalid option");
2825 exit(1);
2826 }
2827 if (!strcmp(popt->name, r + 1))
2828 break;
2829 popt++;
2830 }
2831 if (popt->flags & HAS_ARG) {
2832 if (optind >= argc) {
2833 error_report("requires an argument");
2834 exit(1);
2835 }
2836 optarg = argv[optind++];
2837 loc_set_cmdline(argv, optind - 2, 2);
2838 } else {
2839 optarg = NULL;
2840 }
2841
2842 *poptarg = optarg;
2843 *poptind = optind;
2844
2845 return popt;
2846 }
2847
2848 static gpointer malloc_and_trace(gsize n_bytes)
2849 {
2850 void *ptr = malloc(n_bytes);
2851 trace_g_malloc(n_bytes, ptr);
2852 return ptr;
2853 }
2854
2855 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2856 {
2857 void *ptr = realloc(mem, n_bytes);
2858 trace_g_realloc(mem, n_bytes, ptr);
2859 return ptr;
2860 }
2861
2862 static void free_and_trace(gpointer mem)
2863 {
2864 trace_g_free(mem);
2865 free(mem);
2866 }
2867
2868 static int object_set_property(const char *name, const char *value, void *opaque)
2869 {
2870 Object *obj = OBJECT(opaque);
2871 StringInputVisitor *siv;
2872 Error *local_err = NULL;
2873
2874 if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0) {
2875 return 0;
2876 }
2877
2878 siv = string_input_visitor_new(value);
2879 object_property_set(obj, string_input_get_visitor(siv), name, &local_err);
2880 string_input_visitor_cleanup(siv);
2881
2882 if (local_err) {
2883 qerror_report_err(local_err);
2884 error_free(local_err);
2885 return -1;
2886 }
2887
2888 return 0;
2889 }
2890
2891 static int object_create(QemuOpts *opts, void *opaque)
2892 {
2893 const char *type = qemu_opt_get(opts, "qom-type");
2894 const char *id = qemu_opts_id(opts);
2895 Error *local_err = NULL;
2896 Object *obj;
2897
2898 g_assert(type != NULL);
2899
2900 if (id == NULL) {
2901 qerror_report(QERR_MISSING_PARAMETER, "id");
2902 return -1;
2903 }
2904
2905 obj = object_new(type);
2906 if (qemu_opt_foreach(opts, object_set_property, obj, 1) < 0) {
2907 object_unref(obj);
2908 return -1;
2909 }
2910
2911 if (!object_dynamic_cast(obj, TYPE_USER_CREATABLE)) {
2912 error_setg(&local_err, "object '%s' isn't supported by -object",
2913 id);
2914 goto out;
2915 }
2916
2917 user_creatable_complete(obj, &local_err);
2918 if (local_err) {
2919 goto out;
2920 }
2921
2922 object_property_add_child(container_get(object_get_root(), "/objects"),
2923 id, obj, &local_err);
2924
2925 out:
2926 object_unref(obj);
2927 if (local_err) {
2928 qerror_report_err(local_err);
2929 error_free(local_err);
2930 return -1;
2931 }
2932 return 0;
2933 }
2934
2935 int main(int argc, char **argv, char **envp)
2936 {
2937 int i;
2938 int snapshot, linux_boot;
2939 const char *icount_option = NULL;
2940 const char *initrd_filename;
2941 const char *kernel_filename, *kernel_cmdline;
2942 const char *boot_order;
2943 DisplayState *ds;
2944 int cyls, heads, secs, translation;
2945 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2946 QemuOptsList *olist;
2947 int optind;
2948 const char *optarg;
2949 const char *loadvm = NULL;
2950 MachineClass *machine_class;
2951 QEMUMachine *machine;
2952 const char *cpu_model;
2953 const char *vga_model = NULL;
2954 const char *qtest_chrdev = NULL;
2955 const char *qtest_log = NULL;
2956 const char *pid_file = NULL;
2957 const char *incoming = NULL;
2958 #ifdef CONFIG_VNC
2959 int show_vnc_port = 0;
2960 #endif
2961 bool defconfig = true;
2962 bool userconfig = true;
2963 const char *log_mask = NULL;
2964 const char *log_file = NULL;
2965 GMemVTable mem_trace = {
2966 .malloc = malloc_and_trace,
2967 .realloc = realloc_and_trace,
2968 .free = free_and_trace,
2969 };
2970 const char *trace_events = NULL;
2971 const char *trace_file = NULL;
2972 const ram_addr_t default_ram_size = (ram_addr_t)DEFAULT_RAM_SIZE *
2973 1024 * 1024;
2974
2975 atexit(qemu_run_exit_notifiers);
2976 error_set_progname(argv[0]);
2977 qemu_init_exec_dir(argv[0]);
2978
2979 g_mem_set_vtable(&mem_trace);
2980
2981 module_call_init(MODULE_INIT_QOM);
2982
2983 qemu_add_opts(&qemu_drive_opts);
2984 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2985 qemu_add_drive_opts(&qemu_common_drive_opts);
2986 qemu_add_drive_opts(&qemu_drive_opts);
2987 qemu_add_opts(&qemu_chardev_opts);
2988 qemu_add_opts(&qemu_device_opts);
2989 qemu_add_opts(&qemu_netdev_opts);
2990 qemu_add_opts(&qemu_net_opts);
2991 qemu_add_opts(&qemu_rtc_opts);
2992 qemu_add_opts(&qemu_global_opts);
2993 qemu_add_opts(&qemu_mon_opts);
2994 qemu_add_opts(&qemu_trace_opts);
2995 qemu_add_opts(&qemu_option_rom_opts);
2996 qemu_add_opts(&qemu_machine_opts);
2997 qemu_add_opts(&qemu_mem_opts);
2998 qemu_add_opts(&qemu_smp_opts);
2999 qemu_add_opts(&qemu_boot_opts);
3000 qemu_add_opts(&qemu_sandbox_opts);
3001 qemu_add_opts(&qemu_add_fd_opts);
3002 qemu_add_opts(&qemu_object_opts);
3003 qemu_add_opts(&qemu_tpmdev_opts);
3004 qemu_add_opts(&qemu_realtime_opts);
3005 qemu_add_opts(&qemu_msg_opts);
3006 qemu_add_opts(&qemu_name_opts);
3007
3008 runstate_init();
3009
3010 init_clocks();
3011 rtc_clock = QEMU_CLOCK_HOST;
3012
3013 qemu_init_auxval(envp);
3014 qemu_cache_utils_init();
3015
3016 QLIST_INIT (&vm_change_state_head);
3017 os_setup_early_signal_handling();
3018
3019 module_call_init(MODULE_INIT_MACHINE);
3020 machine_class = find_default_machine();
3021 cpu_model = NULL;
3022 ram_size = default_ram_size;
3023 snapshot = 0;
3024 cyls = heads = secs = 0;
3025 translation = BIOS_ATA_TRANSLATION_AUTO;
3026
3027 for (i = 0; i < MAX_NODES; i++) {
3028 node_mem[i] = 0;
3029 node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
3030 }
3031
3032 nb_numa_nodes = 0;
3033 nb_nics = 0;
3034
3035 bdrv_init_with_whitelist();
3036
3037 autostart = 1;
3038
3039 /* first pass of option parsing */
3040 optind = 1;
3041 while (optind < argc) {
3042 if (argv[optind][0] != '-') {
3043 /* disk image */
3044 optind++;
3045 } else {
3046 const QEMUOption *popt;
3047
3048 popt = lookup_opt(argc, argv, &optarg, &optind);
3049 switch (popt->index) {
3050 case QEMU_OPTION_nodefconfig:
3051 defconfig = false;
3052 break;
3053 case QEMU_OPTION_nouserconfig:
3054 userconfig = false;
3055 break;
3056 }
3057 }
3058 }
3059
3060 if (defconfig) {
3061 int ret;
3062 ret = qemu_read_default_config_files(userconfig);
3063 if (ret < 0) {
3064 exit(1);
3065 }
3066 }
3067
3068 /* second pass of option parsing */
3069 optind = 1;
3070 for(;;) {
3071 if (optind >= argc)
3072 break;
3073 if (argv[optind][0] != '-') {
3074 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3075 } else {
3076 const QEMUOption *popt;
3077
3078 popt = lookup_opt(argc, argv, &optarg, &optind);
3079 if (!(popt->arch_mask & arch_type)) {
3080 printf("Option %s not supported for this target\n", popt->name);
3081 exit(1);
3082 }
3083 switch(popt->index) {
3084 case QEMU_OPTION_M:
3085 machine_class = machine_parse(optarg);
3086 break;
3087 case QEMU_OPTION_no_kvm_irqchip: {
3088 olist = qemu_find_opts("machine");
3089 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
3090 break;
3091 }
3092 case QEMU_OPTION_cpu:
3093 /* hw initialization will check this */
3094 cpu_model = optarg;
3095 break;
3096 case QEMU_OPTION_hda:
3097 {
3098 char buf[256];
3099 if (cyls == 0)
3100 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3101 else
3102 snprintf(buf, sizeof(buf),
3103 "%s,cyls=%d,heads=%d,secs=%d%s",
3104 HD_OPTS , cyls, heads, secs,
3105 translation == BIOS_ATA_TRANSLATION_LBA ?
3106 ",trans=lba" :
3107 translation == BIOS_ATA_TRANSLATION_NONE ?
3108 ",trans=none" : "");
3109 drive_add(IF_DEFAULT, 0, optarg, buf);
3110 break;
3111 }
3112 case QEMU_OPTION_hdb:
3113 case QEMU_OPTION_hdc:
3114 case QEMU_OPTION_hdd:
3115 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3116 HD_OPTS);
3117 break;
3118 case QEMU_OPTION_drive:
3119 if (drive_def(optarg) == NULL) {
3120 exit(1);
3121 }
3122 break;
3123 case QEMU_OPTION_set:
3124 if (qemu_set_option(optarg) != 0)
3125 exit(1);
3126 break;
3127 case QEMU_OPTION_global:
3128 if (qemu_global_option(optarg) != 0)
3129 exit(1);
3130 break;
3131 case QEMU_OPTION_mtdblock:
3132 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3133 break;
3134 case QEMU_OPTION_sd:
3135 drive_add(IF_SD, -1, optarg, SD_OPTS);
3136 break;
3137 case QEMU_OPTION_pflash:
3138 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3139 break;
3140 case QEMU_OPTION_snapshot:
3141 snapshot = 1;
3142 break;
3143 case QEMU_OPTION_hdachs:
3144 {
3145 const char *p;
3146 p = optarg;
3147 cyls = strtol(p, (char **)&p, 0);
3148 if (cyls < 1 || cyls > 16383)
3149 goto chs_fail;
3150 if (*p != ',')
3151 goto chs_fail;
3152 p++;
3153 heads = strtol(p, (char **)&p, 0);
3154 if (heads < 1 || heads > 16)
3155 goto chs_fail;
3156 if (*p != ',')
3157 goto chs_fail;
3158 p++;
3159 secs = strtol(p, (char **)&p, 0);
3160 if (secs < 1 || secs > 63)
3161 goto chs_fail;
3162 if (*p == ',') {
3163 p++;
3164 if (!strcmp(p, "large")) {
3165 translation = BIOS_ATA_TRANSLATION_LARGE;
3166 } else if (!strcmp(p, "rechs")) {
3167 translation = BIOS_ATA_TRANSLATION_RECHS;
3168 } else if (!strcmp(p, "none")) {
3169 translation = BIOS_ATA_TRANSLATION_NONE;
3170 } else if (!strcmp(p, "lba")) {
3171 translation = BIOS_ATA_TRANSLATION_LBA;
3172 } else if (!strcmp(p, "auto")) {
3173 translation = BIOS_ATA_TRANSLATION_AUTO;
3174 } else {
3175 goto chs_fail;
3176 }
3177 } else if (*p != '\0') {
3178 chs_fail:
3179 fprintf(stderr, "qemu: invalid physical CHS format\n");
3180 exit(1);
3181 }
3182 if (hda_opts != NULL) {
3183 char num[16];
3184 snprintf(num, sizeof(num), "%d", cyls);
3185 qemu_opt_set(hda_opts, "cyls", num);
3186 snprintf(num, sizeof(num), "%d", heads);
3187 qemu_opt_set(hda_opts, "heads", num);
3188 snprintf(num, sizeof(num), "%d", secs);
3189 qemu_opt_set(hda_opts, "secs", num);
3190 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3191 qemu_opt_set(hda_opts, "trans", "large");
3192 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3193 qemu_opt_set(hda_opts, "trans", "rechs");
3194 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3195 qemu_opt_set(hda_opts, "trans", "lba");
3196 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3197 qemu_opt_set(hda_opts, "trans", "none");
3198 }
3199 }
3200 }
3201 break;
3202 case QEMU_OPTION_numa:
3203 numa_add(optarg);
3204 break;
3205 case QEMU_OPTION_display:
3206 display_type = select_display(optarg);
3207 break;
3208 case QEMU_OPTION_nographic:
3209 display_type = DT_NOGRAPHIC;
3210 break;
3211 case QEMU_OPTION_curses:
3212 #ifdef CONFIG_CURSES
3213 display_type = DT_CURSES;
3214 #else
3215 fprintf(stderr, "Curses support is disabled\n");
3216 exit(1);
3217 #endif
3218 break;
3219 case QEMU_OPTION_portrait:
3220 graphic_rotate = 90;
3221 break;
3222 case QEMU_OPTION_rotate:
3223 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3224 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3225 graphic_rotate != 180 && graphic_rotate != 270) {
3226 fprintf(stderr,
3227 "qemu: only 90, 180, 270 deg rotation is available\n");
3228 exit(1);
3229 }
3230 break;
3231 case QEMU_OPTION_kernel:
3232 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3233 break;
3234 case QEMU_OPTION_initrd:
3235 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3236 break;
3237 case QEMU_OPTION_append:
3238 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3239 break;
3240 case QEMU_OPTION_dtb:
3241 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3242 break;
3243 case QEMU_OPTION_cdrom:
3244 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3245 break;
3246 case QEMU_OPTION_boot:
3247 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3248 if (!opts) {
3249 exit(1);
3250 }
3251 break;
3252 case QEMU_OPTION_fda:
3253 case QEMU_OPTION_fdb:
3254 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3255 optarg, FD_OPTS);
3256 break;
3257 case QEMU_OPTION_no_fd_bootchk:
3258 fd_bootchk = 0;
3259 break;
3260 case QEMU_OPTION_netdev:
3261 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3262 exit(1);
3263 }
3264 break;
3265 case QEMU_OPTION_net:
3266 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3267 exit(1);
3268 }
3269 break;
3270 #ifdef CONFIG_LIBISCSI
3271 case QEMU_OPTION_iscsi:
3272 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3273 if (!opts) {
3274 exit(1);
3275 }
3276 break;
3277 #endif
3278 #ifdef CONFIG_SLIRP
3279 case QEMU_OPTION_tftp:
3280 legacy_tftp_prefix = optarg;
3281 break;
3282 case QEMU_OPTION_bootp:
3283 legacy_bootp_filename = optarg;
3284 break;
3285 case QEMU_OPTION_redir:
3286 if (net_slirp_redir(optarg) < 0)
3287 exit(1);
3288 break;
3289 #endif
3290 case QEMU_OPTION_bt:
3291 add_device_config(DEV_BT, optarg);
3292 break;
3293 case QEMU_OPTION_audio_help:
3294 AUD_help ();
3295 exit (0);
3296 break;
3297 case QEMU_OPTION_soundhw:
3298 select_soundhw (optarg);
3299 break;
3300 case QEMU_OPTION_h:
3301 help(0);
3302 break;
3303 case QEMU_OPTION_version:
3304 version();
3305 exit(0);
3306 break;
3307 case QEMU_OPTION_m: {
3308 uint64_t sz;
3309 const char *mem_str;
3310
3311 opts = qemu_opts_parse(qemu_find_opts("memory"),
3312 optarg, 1);
3313 if (!opts) {
3314 exit(EXIT_FAILURE);
3315 }
3316
3317 mem_str = qemu_opt_get(opts, "size");
3318 if (!mem_str) {
3319 error_report("invalid -m option, missing 'size' option");
3320 exit(EXIT_FAILURE);
3321 }
3322 if (!*mem_str) {
3323 error_report("missing 'size' option value");
3324 exit(EXIT_FAILURE);
3325 }
3326
3327 sz = qemu_opt_get_size(opts, "size", ram_size);
3328
3329 /* Fix up legacy suffix-less format */
3330 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
3331 uint64_t overflow_check = sz;
3332
3333 sz <<= 20;
3334 if ((sz >> 20) != overflow_check) {
3335 error_report("too large 'size' option value");
3336 exit(EXIT_FAILURE);
3337 }
3338 }
3339
3340 /* backward compatibility behaviour for case "-m 0" */
3341 if (sz == 0) {
3342 sz = default_ram_size;
3343 }
3344
3345 sz = QEMU_ALIGN_UP(sz, 8192);
3346 ram_size = sz;
3347 if (ram_size != sz) {
3348 error_report("ram size too large");
3349 exit(EXIT_FAILURE);
3350 }
3351 break;
3352 }
3353 #ifdef CONFIG_TPM
3354 case QEMU_OPTION_tpmdev:
3355 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3356 exit(1);
3357 }
3358 break;
3359 #endif
3360 case QEMU_OPTION_mempath:
3361 mem_path = optarg;
3362 break;
3363 case QEMU_OPTION_mem_prealloc:
3364 mem_prealloc = 1;
3365 break;
3366 case QEMU_OPTION_d:
3367 log_mask = optarg;
3368 break;
3369 case QEMU_OPTION_D:
3370 log_file = optarg;
3371 break;
3372 case QEMU_OPTION_s:
3373 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3374 break;
3375 case QEMU_OPTION_gdb:
3376 add_device_config(DEV_GDB, optarg);
3377 break;
3378 case QEMU_OPTION_L:
3379 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3380 data_dir[data_dir_idx++] = optarg;
3381 }
3382 break;
3383 case QEMU_OPTION_bios:
3384 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg);
3385 break;
3386 case QEMU_OPTION_singlestep:
3387 singlestep = 1;
3388 break;
3389 case QEMU_OPTION_S:
3390 autostart = 0;
3391 break;
3392 case QEMU_OPTION_k:
3393 keyboard_layout = optarg;
3394 break;
3395 case QEMU_OPTION_localtime:
3396 rtc_utc = 0;
3397 break;
3398 case QEMU_OPTION_vga:
3399 vga_model = optarg;
3400 default_vga = 0;
3401 break;
3402 case QEMU_OPTION_g:
3403 {
3404 const char *p;
3405 int w, h, depth;
3406 p = optarg;
3407 w = strtol(p, (char **)&p, 10);
3408 if (w <= 0) {
3409 graphic_error:
3410 fprintf(stderr, "qemu: invalid resolution or depth\n");
3411 exit(1);
3412 }
3413 if (*p != 'x')
3414 goto graphic_error;
3415 p++;
3416 h = strtol(p, (char **)&p, 10);
3417 if (h <= 0)
3418 goto graphic_error;
3419 if (*p == 'x') {
3420 p++;
3421 depth = strtol(p, (char **)&p, 10);
3422 if (depth != 8 && depth != 15 && depth != 16 &&
3423 depth != 24 && depth != 32)
3424 goto graphic_error;
3425 } else if (*p == '\0') {
3426 depth = graphic_depth;
3427 } else {
3428 goto graphic_error;
3429 }
3430
3431 graphic_width = w;
3432 graphic_height = h;
3433 graphic_depth = depth;
3434 }
3435 break;
3436 case QEMU_OPTION_echr:
3437 {
3438 char *r;
3439 term_escape_char = strtol(optarg, &r, 0);
3440 if (r == optarg)
3441 printf("Bad argument to echr\n");
3442 break;
3443 }
3444 case QEMU_OPTION_monitor:
3445 default_monitor = 0;
3446 if (strncmp(optarg, "none", 4)) {
3447 monitor_parse(optarg, "readline");
3448 }
3449 break;
3450 case QEMU_OPTION_qmp:
3451 monitor_parse(optarg, "control");
3452 default_monitor = 0;
3453 break;
3454 case QEMU_OPTION_mon:
3455 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3456 if (!opts) {
3457 exit(1);
3458 }
3459 default_monitor = 0;
3460 break;
3461 case QEMU_OPTION_chardev:
3462 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3463 if (!opts) {
3464 exit(1);
3465 }
3466 break;
3467 case QEMU_OPTION_fsdev:
3468 olist = qemu_find_opts("fsdev");
3469 if (!olist) {
3470 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3471 exit(1);
3472 }
3473 opts = qemu_opts_parse(olist, optarg, 1);
3474 if (!opts) {
3475 exit(1);
3476 }
3477 break;
3478 case QEMU_OPTION_virtfs: {
3479 QemuOpts *fsdev;
3480 QemuOpts *device;
3481 const char *writeout, *sock_fd, *socket;
3482
3483 olist = qemu_find_opts("virtfs");
3484 if (!olist) {
3485 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3486 exit(1);
3487 }
3488 opts = qemu_opts_parse(olist, optarg, 1);
3489 if (!opts) {
3490 exit(1);
3491 }
3492
3493 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3494 qemu_opt_get(opts, "mount_tag") == NULL) {
3495 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3496 exit(1);
3497 }
3498 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3499 qemu_opt_get(opts, "mount_tag"),
3500 1, NULL);
3501 if (!fsdev) {
3502 fprintf(stderr, "duplicate fsdev id: %s\n",
3503 qemu_opt_get(opts, "mount_tag"));
3504 exit(1);
3505 }
3506
3507 writeout = qemu_opt_get(opts, "writeout");
3508 if (writeout) {
3509 #ifdef CONFIG_SYNC_FILE_RANGE
3510 qemu_opt_set(fsdev, "writeout", writeout);
3511 #else
3512 fprintf(stderr, "writeout=immediate not supported on "
3513 "this platform\n");
3514 exit(1);
3515 #endif
3516 }
3517 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3518 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3519 qemu_opt_set(fsdev, "security_model",
3520 qemu_opt_get(opts, "security_model"));
3521 socket = qemu_opt_get(opts, "socket");
3522 if (socket) {
3523 qemu_opt_set(fsdev, "socket", socket);
3524 }
3525 sock_fd = qemu_opt_get(opts, "sock_fd");
3526 if (sock_fd) {
3527 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3528 }
3529
3530 qemu_opt_set_bool(fsdev, "readonly",
3531 qemu_opt_get_bool(opts, "readonly", 0));
3532 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3533 &error_abort);
3534 qemu_opt_set(device, "driver", "virtio-9p-pci");
3535 qemu_opt_set(device, "fsdev",
3536 qemu_opt_get(opts, "mount_tag"));
3537 qemu_opt_set(device, "mount_tag",
3538 qemu_opt_get(opts, "mount_tag"));
3539 break;
3540 }
3541 case QEMU_OPTION_virtfs_synth: {
3542 QemuOpts *fsdev;
3543 QemuOpts *device;
3544
3545 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3546 1, NULL);
3547 if (!fsdev) {
3548 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3549 exit(1);
3550 }
3551 qemu_opt_set(fsdev, "fsdriver", "synth");
3552
3553 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3554 &error_abort);
3555 qemu_opt_set(device, "driver", "virtio-9p-pci");
3556 qemu_opt_set(device, "fsdev", "v_synth");
3557 qemu_opt_set(device, "mount_tag", "v_synth");
3558 break;
3559 }
3560 case QEMU_OPTION_serial:
3561 add_device_config(DEV_SERIAL, optarg);
3562 default_serial = 0;
3563 if (strncmp(optarg, "mon:", 4) == 0) {
3564 default_monitor = 0;
3565 }
3566 break;
3567 case QEMU_OPTION_watchdog:
3568 if (watchdog) {
3569 fprintf(stderr,
3570 "qemu: only one watchdog option may be given\n");
3571 return 1;
3572 }
3573 watchdog = optarg;
3574 break;
3575 case QEMU_OPTION_watchdog_action:
3576 if (select_watchdog_action(optarg) == -1) {
3577 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3578 exit(1);
3579 }
3580 break;
3581 case QEMU_OPTION_virtiocon:
3582 add_device_config(DEV_VIRTCON, optarg);
3583 default_virtcon = 0;
3584 if (strncmp(optarg, "mon:", 4) == 0) {
3585 default_monitor = 0;
3586 }
3587 break;
3588 case QEMU_OPTION_parallel:
3589 add_device_config(DEV_PARALLEL, optarg);
3590 default_parallel = 0;
3591 if (strncmp(optarg, "mon:", 4) == 0) {
3592 default_monitor = 0;
3593 }
3594 break;
3595 case QEMU_OPTION_debugcon:
3596 add_device_config(DEV_DEBUGCON, optarg);
3597 break;
3598 case QEMU_OPTION_loadvm:
3599 loadvm = optarg;
3600 break;
3601 case QEMU_OPTION_full_screen:
3602 full_screen = 1;
3603 break;
3604 case QEMU_OPTION_no_frame:
3605 no_frame = 1;
3606 break;
3607 case QEMU_OPTION_alt_grab:
3608 alt_grab = 1;
3609 break;
3610 case QEMU_OPTION_ctrl_grab:
3611 ctrl_grab = 1;
3612 break;
3613 case QEMU_OPTION_no_quit:
3614 no_quit = 1;
3615 break;
3616 case QEMU_OPTION_sdl:
3617 #ifdef CONFIG_SDL
3618 display_type = DT_SDL;
3619 break;
3620 #else
3621 fprintf(stderr, "SDL support is disabled\n");
3622 exit(1);
3623 #endif
3624 case QEMU_OPTION_pidfile:
3625 pid_file = optarg;
3626 break;
3627 case QEMU_OPTION_win2k_hack:
3628 win2k_install_hack = 1;
3629 break;
3630 case QEMU_OPTION_rtc_td_hack: {
3631 static GlobalProperty slew_lost_ticks[] = {
3632 {
3633 .driver = "mc146818rtc",
3634 .property = "lost_tick_policy",
3635 .value = "slew",
3636 },
3637 { /* end of list */ }
3638 };
3639
3640 qdev_prop_register_global_list(slew_lost_ticks);
3641 break;
3642 }
3643 case QEMU_OPTION_acpitable:
3644 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3645 if (!opts) {
3646 exit(1);
3647 }
3648 do_acpitable_option(opts);
3649 break;
3650 case QEMU_OPTION_smbios:
3651 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3652 if (!opts) {
3653 exit(1);
3654 }
3655 do_smbios_option(opts);
3656 break;
3657 case QEMU_OPTION_enable_kvm:
3658 olist = qemu_find_opts("machine");
3659 qemu_opts_parse(olist, "accel=kvm", 0);
3660 break;
3661 case QEMU_OPTION_machine:
3662 olist = qemu_find_opts("machine");
3663 opts = qemu_opts_parse(olist, optarg, 1);
3664 if (!opts) {
3665 exit(1);
3666 }
3667 optarg = qemu_opt_get(opts, "type");
3668 if (optarg) {
3669 machine_class = machine_parse(optarg);
3670 }
3671 break;
3672 case QEMU_OPTION_no_kvm:
3673 olist = qemu_find_opts("machine");
3674 qemu_opts_parse(olist, "accel=tcg", 0);
3675 break;
3676 case QEMU_OPTION_no_kvm_pit: {
3677 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3678 "separately.\n");
3679 break;
3680 }
3681 case QEMU_OPTION_no_kvm_pit_reinjection: {
3682 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3683 {
3684 .driver = "kvm-pit",
3685 .property = "lost_tick_policy",
3686 .value = "discard",
3687 },
3688 { /* end of list */ }
3689 };
3690
3691 fprintf(stderr, "Warning: option deprecated, use "
3692 "lost_tick_policy property of kvm-pit instead.\n");
3693 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3694 break;
3695 }
3696 case QEMU_OPTION_usb:
3697 olist = qemu_find_opts("machine");
3698 qemu_opts_parse(olist, "usb=on", 0);
3699 break;
3700 case QEMU_OPTION_usbdevice:
3701 olist = qemu_find_opts("machine");
3702 qemu_opts_parse(olist, "usb=on", 0);
3703 add_device_config(DEV_USB, optarg);
3704 break;
3705 case QEMU_OPTION_device:
3706 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3707 exit(1);
3708 }
3709 break;
3710 case QEMU_OPTION_smp:
3711 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3712 exit(1);
3713 }
3714 break;
3715 case QEMU_OPTION_vnc:
3716 #ifdef CONFIG_VNC
3717 display_remote++;
3718 vnc_display = optarg;
3719 #else
3720 fprintf(stderr, "VNC support is disabled\n");
3721 exit(1);
3722 #endif
3723 break;
3724 case QEMU_OPTION_no_acpi:
3725 acpi_enabled = 0;
3726 break;
3727 case QEMU_OPTION_no_hpet:
3728 no_hpet = 1;
3729 break;
3730 case QEMU_OPTION_balloon:
3731 if (balloon_parse(optarg) < 0) {
3732 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3733 exit(1);
3734 }
3735 break;
3736 case QEMU_OPTION_no_reboot:
3737 no_reboot = 1;
3738 break;
3739 case QEMU_OPTION_no_shutdown:
3740 no_shutdown = 1;
3741 break;
3742 case QEMU_OPTION_show_cursor:
3743 cursor_hide = 0;
3744 break;
3745 case QEMU_OPTION_uuid:
3746 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3747 fprintf(stderr, "Fail to parse UUID string."
3748 " Wrong format.\n");
3749 exit(1);
3750 }
3751 qemu_uuid_set = true;
3752 break;
3753 case QEMU_OPTION_option_rom:
3754 if (nb_option_roms >= MAX_OPTION_ROMS) {
3755 fprintf(stderr, "Too many option ROMs\n");
3756 exit(1);
3757 }
3758 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3759 if (!opts) {
3760 exit(1);
3761 }
3762 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3763 option_rom[nb_option_roms].bootindex =
3764 qemu_opt_get_number(opts, "bootindex", -1);
3765 if (!option_rom[nb_option_roms].name) {
3766 fprintf(stderr, "Option ROM file is not specified\n");
3767 exit(1);
3768 }
3769 nb_option_roms++;
3770 break;
3771 case QEMU_OPTION_semihosting:
3772 semihosting_enabled = 1;
3773 break;
3774 case QEMU_OPTION_tdf:
3775 fprintf(stderr, "Warning: user space PIT time drift fix "
3776 "is no longer supported.\n");
3777 break;
3778 case QEMU_OPTION_name:
3779 opts = qemu_opts_parse(qemu_find_opts("name"), optarg, 1);
3780 if (!opts) {
3781 exit(1);
3782 }
3783 parse_name(opts);
3784 break;
3785 case QEMU_OPTION_prom_env:
3786 if (nb_prom_envs >= MAX_PROM_ENVS) {
3787 fprintf(stderr, "Too many prom variables\n");
3788 exit(1);
3789 }
3790 prom_envs[nb_prom_envs] = optarg;
3791 nb_prom_envs++;
3792 break;
3793 case QEMU_OPTION_old_param:
3794 old_param = 1;
3795 break;
3796 case QEMU_OPTION_clock:
3797 /* Clock options no longer exist. Keep this option for
3798 * backward compatibility.
3799 */
3800 break;
3801 case QEMU_OPTION_startdate:
3802 configure_rtc_date_offset(optarg, 1);
3803 break;
3804 case QEMU_OPTION_rtc:
3805 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3806 if (!opts) {
3807 exit(1);
3808 }
3809 configure_rtc(opts);
3810 break;
3811 case QEMU_OPTION_tb_size:
3812 tcg_tb_size = strtol(optarg, NULL, 0);
3813 if (tcg_tb_size < 0) {
3814 tcg_tb_size = 0;
3815 }
3816 break;
3817 case QEMU_OPTION_icount:
3818 icount_option = optarg;
3819 break;
3820 case QEMU_OPTION_incoming:
3821 incoming = optarg;
3822 runstate_set(RUN_STATE_INMIGRATE);
3823 break;
3824 case QEMU_OPTION_nodefaults:
3825 has_defaults = 0;
3826 break;
3827 case QEMU_OPTION_xen_domid:
3828 if (!(xen_available())) {
3829 printf("Option %s not supported for this target\n", popt->name);
3830 exit(1);
3831 }
3832 xen_domid = atoi(optarg);
3833 break;
3834 case QEMU_OPTION_xen_create:
3835 if (!(xen_available())) {
3836 printf("Option %s not supported for this target\n", popt->name);
3837 exit(1);
3838 }
3839 xen_mode = XEN_CREATE;
3840 break;
3841 case QEMU_OPTION_xen_attach:
3842 if (!(xen_available())) {
3843 printf("Option %s not supported for this target\n", popt->name);
3844 exit(1);
3845 }
3846 xen_mode = XEN_ATTACH;
3847 break;
3848 case QEMU_OPTION_trace:
3849 {
3850 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3851 if (!opts) {
3852 exit(1);
3853 }
3854 trace_events = qemu_opt_get(opts, "events");
3855 trace_file = qemu_opt_get(opts, "file");
3856 break;
3857 }
3858 case QEMU_OPTION_readconfig:
3859 {
3860 int ret = qemu_read_config_file(optarg);
3861 if (ret < 0) {
3862 fprintf(stderr, "read config %s: %s\n", optarg,
3863 strerror(-ret));
3864 exit(1);
3865 }
3866 break;
3867 }
3868 case QEMU_OPTION_spice:
3869 olist = qemu_find_opts("spice");
3870 if (!olist) {
3871 fprintf(stderr, "spice is not supported by this qemu build.\n");
3872 exit(1);
3873 }
3874 opts = qemu_opts_parse(olist, optarg, 0);
3875 if (!opts) {
3876 exit(1);
3877 }
3878 display_remote++;
3879 break;
3880 case QEMU_OPTION_writeconfig:
3881 {
3882 FILE *fp;
3883 if (strcmp(optarg, "-") == 0) {
3884 fp = stdout;
3885 } else {
3886 fp = fopen(optarg, "w");
3887 if (fp == NULL) {
3888 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3889 exit(1);
3890 }
3891 }
3892 qemu_config_write(fp);
3893 if (fp != stdout) {
3894 fclose(fp);
3895 }
3896 break;
3897 }
3898 case QEMU_OPTION_qtest:
3899 qtest_chrdev = optarg;
3900 break;
3901 case QEMU_OPTION_qtest_log:
3902 qtest_log = optarg;
3903 break;
3904 case QEMU_OPTION_sandbox:
3905 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3906 if (!opts) {
3907 exit(1);
3908 }
3909 break;
3910 case QEMU_OPTION_add_fd:
3911 #ifndef _WIN32
3912 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3913 if (!opts) {
3914 exit(1);
3915 }
3916 #else
3917 error_report("File descriptor passing is disabled on this "
3918 "platform");
3919 exit(1);
3920 #endif
3921 break;
3922 case QEMU_OPTION_object:
3923 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3924 if (!opts) {
3925 exit(1);
3926 }
3927 break;
3928 case QEMU_OPTION_realtime:
3929 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3930 if (!opts) {
3931 exit(1);
3932 }
3933 configure_realtime(opts);
3934 break;
3935 case QEMU_OPTION_msg:
3936 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3937 if (!opts) {
3938 exit(1);
3939 }
3940 configure_msg(opts);
3941 break;
3942 default:
3943 os_parse_cmd_args(popt->index, optarg);
3944 }
3945 }
3946 }
3947 loc_set_none();
3948
3949 if (qemu_init_main_loop()) {
3950 fprintf(stderr, "qemu_init_main_loop failed\n");
3951 exit(1);
3952 }
3953
3954 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3955 exit(1);
3956 }
3957
3958 #ifndef _WIN32
3959 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3960 exit(1);
3961 }
3962
3963 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3964 exit(1);
3965 }
3966 #endif
3967
3968 if (machine_class == NULL) {
3969 fprintf(stderr, "No machine specified, and there is no default.\n"
3970 "Use -machine help to list supported machines!\n");
3971 exit(1);
3972 }
3973
3974 current_machine = MACHINE(object_new(object_class_get_name(
3975 OBJECT_CLASS(machine_class))));
3976 object_property_add_child(object_get_root(), "machine",
3977 OBJECT(current_machine), &error_abort);
3978
3979 machine = machine_class->qemu_machine;
3980 if (machine->hw_version) {
3981 qemu_set_version(machine->hw_version);
3982 }
3983
3984 if (qemu_opts_foreach(qemu_find_opts("object"),
3985 object_create, NULL, 0) != 0) {
3986 exit(1);
3987 }
3988
3989 /* Init CPU def lists, based on config
3990 * - Must be called after all the qemu_read_config_file() calls
3991 * - Must be called before list_cpus()
3992 * - Must be called before machine->init()
3993 */
3994 cpudef_init();
3995
3996 if (cpu_model && is_help_option(cpu_model)) {
3997 list_cpus(stdout, &fprintf, cpu_model);
3998 exit(0);
3999 }
4000
4001 /* Open the logfile at this point, if necessary. We can't open the logfile
4002 * when encountering either of the logging options (-d or -D) because the
4003 * other one may be encountered later on the command line, changing the
4004 * location or level of logging.
4005 */
4006 if (log_mask) {
4007 int mask;
4008 if (log_file) {
4009 qemu_set_log_filename(log_file);
4010 }
4011
4012 mask = qemu_str_to_log_mask(log_mask);
4013 if (!mask) {
4014 qemu_print_log_usage(stdout);
4015 exit(1);
4016 }
4017 qemu_set_log(mask);
4018 }
4019
4020 if (!is_daemonized()) {
4021 if (!trace_backend_init(trace_events, trace_file)) {
4022 exit(1);
4023 }
4024 }
4025
4026 /* If no data_dir is specified then try to find it relative to the
4027 executable path. */
4028 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4029 data_dir[data_dir_idx] = os_find_datadir();
4030 if (data_dir[data_dir_idx] != NULL) {
4031 data_dir_idx++;
4032 }
4033 }
4034 /* If all else fails use the install path specified when building. */
4035 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4036 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4037 }
4038
4039 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4040
4041 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
4042 if (smp_cpus > machine->max_cpus) {
4043 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
4044 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
4045 machine->max_cpus);
4046 exit(1);
4047 }
4048
4049 /*
4050 * Get the default machine options from the machine if it is not already
4051 * specified either by the configuration file or by the command line.
4052 */
4053 if (machine->default_machine_opts) {
4054 qemu_opts_set_defaults(qemu_find_opts("machine"),
4055 machine->default_machine_opts, 0);
4056 }
4057
4058 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
4059 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
4060
4061 if (!vga_model && !default_vga) {
4062 vga_interface_type = VGA_DEVICE;
4063 }
4064 if (!has_defaults || machine->no_serial) {
4065 default_serial = 0;
4066 }
4067 if (!has_defaults || machine->no_parallel) {
4068 default_parallel = 0;
4069 }
4070 if (!has_defaults || !machine->use_virtcon) {
4071 default_virtcon = 0;
4072 }
4073 if (!has_defaults || !machine->use_sclp) {
4074 default_sclp = 0;
4075 }
4076 if (!has_defaults || machine->no_floppy) {
4077 default_floppy = 0;
4078 }
4079 if (!has_defaults || machine->no_cdrom) {
4080 default_cdrom = 0;
4081 }
4082 if (!has_defaults || machine->no_sdcard) {
4083 default_sdcard = 0;
4084 }
4085 if (!has_defaults) {
4086 default_monitor = 0;
4087 default_net = 0;
4088 default_vga = 0;
4089 }
4090
4091 if (is_daemonized()) {
4092 /* According to documentation and historically, -nographic redirects
4093 * serial port, parallel port and monitor to stdio, which does not work
4094 * with -daemonize. We can redirect these to null instead, but since
4095 * -nographic is legacy, let's just error out.
4096 * We disallow -nographic only if all other ports are not redirected
4097 * explicitly, to not break existing legacy setups which uses
4098 * -nographic _and_ redirects all ports explicitly - this is valid
4099 * usage, -nographic is just a no-op in this case.
4100 */
4101 if (display_type == DT_NOGRAPHIC
4102 && (default_parallel || default_serial
4103 || default_monitor || default_virtcon)) {
4104 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4105 exit(1);
4106 }
4107 #ifdef CONFIG_CURSES
4108 if (display_type == DT_CURSES) {
4109 fprintf(stderr, "curses display can not be used with -daemonize\n");
4110 exit(1);
4111 }
4112 #endif
4113 }
4114
4115 if (display_type == DT_NOGRAPHIC) {
4116 if (default_parallel)
4117 add_device_config(DEV_PARALLEL, "null");
4118 if (default_serial && default_monitor) {
4119 add_device_config(DEV_SERIAL, "mon:stdio");
4120 } else if (default_virtcon && default_monitor) {
4121 add_device_config(DEV_VIRTCON, "mon:stdio");
4122 } else if (default_sclp && default_monitor) {
4123 add_device_config(DEV_SCLP, "mon:stdio");
4124 } else {
4125 if (default_serial)
4126 add_device_config(DEV_SERIAL, "stdio");
4127 if (default_virtcon)
4128 add_device_config(DEV_VIRTCON, "stdio");
4129 if (default_sclp) {
4130 add_device_config(DEV_SCLP, "stdio");
4131 }
4132 if (default_monitor)
4133 monitor_parse("stdio", "readline");
4134 }
4135 } else {
4136 if (default_serial)
4137 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4138 if (default_parallel)
4139 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4140 if (default_monitor)
4141 monitor_parse("vc:80Cx24C", "readline");
4142 if (default_virtcon)
4143 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4144 if (default_sclp) {
4145 add_device_config(DEV_SCLP, "vc:80Cx24C");
4146 }
4147 }
4148
4149 if (display_type == DT_DEFAULT && !display_remote) {
4150 #if defined(CONFIG_GTK)
4151 display_type = DT_GTK;
4152 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4153 display_type = DT_SDL;
4154 #elif defined(CONFIG_VNC)
4155 vnc_display = "localhost:0,to=99";
4156 show_vnc_port = 1;
4157 #else
4158 display_type = DT_NONE;
4159 #endif
4160 }
4161
4162 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4163 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4164 "for SDL, ignoring option\n");
4165 }
4166 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4167 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4168 "ignoring option\n");
4169 }
4170
4171 #if defined(CONFIG_GTK)
4172 if (display_type == DT_GTK) {
4173 early_gtk_display_init();
4174 }
4175 #endif
4176
4177 socket_init();
4178
4179 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4180 exit(1);
4181 #ifdef CONFIG_VIRTFS
4182 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4183 exit(1);
4184 }
4185 #endif
4186
4187 os_daemonize();
4188
4189 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4190 os_pidfile_error();
4191 exit(1);
4192 }
4193
4194 /* store value for the future use */
4195 qemu_opt_set_number(qemu_find_opts_singleton("memory"), "size", ram_size);
4196
4197 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4198 != 0) {
4199 exit(0);
4200 }
4201
4202 configure_accelerator(machine);
4203
4204 if (qtest_chrdev) {
4205 Error *local_err = NULL;
4206 qtest_init(qtest_chrdev, qtest_log, &local_err);
4207 if (local_err) {
4208 error_report("%s", error_get_pretty(local_err));
4209 error_free(local_err);
4210 exit(1);
4211 }
4212 }
4213
4214 machine_opts = qemu_get_machine_opts();
4215 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4216 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4217 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4218 bios_name = qemu_opt_get(machine_opts, "firmware");
4219
4220 boot_order = machine->default_boot_order;
4221 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4222 if (opts) {
4223 char *normal_boot_order;
4224 const char *order, *once;
4225
4226 order = qemu_opt_get(opts, "order");
4227 if (order) {
4228 validate_bootdevices(order);
4229 boot_order = order;
4230 }
4231
4232 once = qemu_opt_get(opts, "once");
4233 if (once) {
4234 validate_bootdevices(once);
4235 normal_boot_order = g_strdup(boot_order);
4236 boot_order = once;
4237 qemu_register_reset(restore_boot_order, normal_boot_order);
4238 }
4239
4240 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4241 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4242 }
4243
4244 if (!kernel_cmdline) {
4245 kernel_cmdline = "";
4246 }
4247
4248 linux_boot = (kernel_filename != NULL);
4249
4250 if (!linux_boot && *kernel_cmdline != '\0') {
4251 fprintf(stderr, "-append only allowed with -kernel option\n");
4252 exit(1);
4253 }
4254
4255 if (!linux_boot && initrd_filename != NULL) {
4256 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4257 exit(1);
4258 }
4259
4260 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4261 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4262 exit(1);
4263 }
4264
4265 os_set_line_buffering();
4266
4267 qemu_init_cpu_loop();
4268 qemu_mutex_lock_iothread();
4269
4270 #ifdef CONFIG_SPICE
4271 /* spice needs the timers to be initialized by this point */
4272 qemu_spice_init();
4273 #endif
4274
4275 if (icount_option && (kvm_enabled() || xen_enabled())) {
4276 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4277 exit(1);
4278 }
4279 configure_icount(icount_option);
4280
4281 /* clean up network at qemu process termination */
4282 atexit(&net_cleanup);
4283
4284 if (net_init_clients() < 0) {
4285 exit(1);
4286 }
4287
4288 #ifdef CONFIG_TPM
4289 if (tpm_init() < 0) {
4290 exit(1);
4291 }
4292 #endif
4293
4294 /* init the bluetooth world */
4295 if (foreach_device_config(DEV_BT, bt_parse))
4296 exit(1);
4297
4298 if (!xen_enabled()) {
4299 /* On 32-bit hosts, QEMU is limited by virtual address space */
4300 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4301 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4302 exit(1);
4303 }
4304 }
4305
4306 cpu_exec_init_all();
4307
4308 blk_mig_init();
4309
4310 /* open the virtual block devices */
4311 if (snapshot)
4312 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4313 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4314 &machine->block_default_type, 1) != 0) {
4315 exit(1);
4316 }
4317
4318 default_drive(default_cdrom, snapshot, machine->block_default_type, 2,
4319 CDROM_OPTS);
4320 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4321 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4322
4323 register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
4324
4325 if (nb_numa_nodes > 0) {
4326 int i;
4327
4328 if (nb_numa_nodes > MAX_NODES) {
4329 nb_numa_nodes = MAX_NODES;
4330 }
4331
4332 /* If no memory size if given for any node, assume the default case
4333 * and distribute the available memory equally across all nodes
4334 */
4335 for (i = 0; i < nb_numa_nodes; i++) {
4336 if (node_mem[i] != 0)
4337 break;
4338 }
4339 if (i == nb_numa_nodes) {
4340 uint64_t usedmem = 0;
4341
4342 /* On Linux, the each node's border has to be 8MB aligned,
4343 * the final node gets the rest.
4344 */
4345 for (i = 0; i < nb_numa_nodes - 1; i++) {
4346 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
4347 usedmem += node_mem[i];
4348 }
4349 node_mem[i] = ram_size - usedmem;
4350 }
4351
4352 for (i = 0; i < nb_numa_nodes; i++) {
4353 if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
4354 break;
4355 }
4356 }
4357 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4358 * must cope with this anyway, because there are BIOSes out there in
4359 * real machines which also use this scheme.
4360 */
4361 if (i == nb_numa_nodes) {
4362 for (i = 0; i < max_cpus; i++) {
4363 set_bit(i, node_cpumask[i % nb_numa_nodes]);
4364 }
4365 }
4366 }
4367
4368 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4369 exit(1);
4370 }
4371
4372 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4373 exit(1);
4374 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4375 exit(1);
4376 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4377 exit(1);
4378 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4379 exit(1);
4380 }
4381 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4382 exit(1);
4383
4384 /* If no default VGA is requested, the default is "none". */
4385 if (default_vga) {
4386 if (cirrus_vga_available()) {
4387 vga_model = "cirrus";
4388 } else if (vga_available()) {
4389 vga_model = "std";
4390 }
4391 }
4392 if (vga_model) {
4393 select_vgahw(vga_model);
4394 }
4395
4396 if (watchdog) {
4397 i = select_watchdog(watchdog);
4398 if (i > 0)
4399 exit (i == 1 ? 1 : 0);
4400 }
4401
4402 if (machine->compat_props) {
4403 qdev_prop_register_global_list(machine->compat_props);
4404 }
4405 qemu_add_globals();
4406
4407 qdev_machine_init();
4408
4409 current_machine->init_args = (QEMUMachineInitArgs) {
4410 .machine = machine,
4411 .ram_size = ram_size,
4412 .boot_order = boot_order,
4413 .kernel_filename = kernel_filename,
4414 .kernel_cmdline = kernel_cmdline,
4415 .initrd_filename = initrd_filename,
4416 .cpu_model = cpu_model };
4417
4418 machine->init(&current_machine->init_args);
4419
4420 audio_init();
4421
4422 cpu_synchronize_all_post_init();
4423
4424 set_numa_modes();
4425
4426 /* init USB devices */
4427 if (usb_enabled(false)) {
4428 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4429 exit(1);
4430 }
4431
4432 /* init generic devices */
4433 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4434 exit(1);
4435
4436 net_check_clients();
4437
4438 ds = init_displaystate();
4439
4440 /* init local displays */
4441 switch (display_type) {
4442 case DT_NOGRAPHIC:
4443 (void)ds; /* avoid warning if no display is configured */
4444 break;
4445 #if defined(CONFIG_CURSES)
4446 case DT_CURSES:
4447 curses_display_init(ds, full_screen);
4448 break;
4449 #endif
4450 #if defined(CONFIG_SDL)
4451 case DT_SDL:
4452 sdl_display_init(ds, full_screen, no_frame);
4453 break;
4454 #elif defined(CONFIG_COCOA)
4455 case DT_SDL:
4456 cocoa_display_init(ds, full_screen);
4457 break;
4458 #endif
4459 #if defined(CONFIG_GTK)
4460 case DT_GTK:
4461 gtk_display_init(ds, full_screen, grab_on_hover);
4462 break;
4463 #endif
4464 default:
4465 break;
4466 }
4467
4468 /* must be after terminal init, SDL library changes signal handlers */
4469 os_setup_signal_handling();
4470
4471 #ifdef CONFIG_VNC
4472 /* init remote displays */
4473 if (vnc_display) {
4474 Error *local_err = NULL;
4475 vnc_display_init(ds);
4476 vnc_display_open(ds, vnc_display, &local_err);
4477 if (local_err != NULL) {
4478 error_report("Failed to start VNC server on `%s': %s",
4479 vnc_display, error_get_pretty(local_err));
4480 error_free(local_err);
4481 exit(1);
4482 }
4483
4484 if (show_vnc_port) {
4485 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4486 }
4487 }
4488 #endif
4489 #ifdef CONFIG_SPICE
4490 if (using_spice) {
4491 qemu_spice_display_init();
4492 }
4493 #endif
4494
4495 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4496 exit(1);
4497 }
4498
4499 qdev_machine_creation_done();
4500
4501 if (rom_load_all() != 0) {
4502 fprintf(stderr, "rom loading failed\n");
4503 exit(1);
4504 }
4505
4506 /* TODO: once all bus devices are qdevified, this should be done
4507 * when bus is created by qdev.c */
4508 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4509 qemu_run_machine_init_done_notifiers();
4510
4511 /* Done notifiers can load ROMs */
4512 rom_load_done();
4513
4514 qemu_system_reset(VMRESET_SILENT);
4515 if (loadvm) {
4516 if (load_vmstate(loadvm) < 0) {
4517 autostart = 0;
4518 }
4519 }
4520
4521 if (incoming) {
4522 Error *local_err = NULL;
4523 qemu_start_incoming_migration(incoming, &local_err);
4524 if (local_err) {
4525 error_report("-incoming %s: %s", incoming,
4526 error_get_pretty(local_err));
4527 error_free(local_err);
4528 exit(1);
4529 }
4530 } else if (autostart) {
4531 vm_start();
4532 }
4533
4534 os_setup_post();
4535
4536 if (is_daemonized()) {
4537 if (!trace_backend_init(trace_events, trace_file)) {
4538 exit(1);
4539 }
4540 }
4541
4542 main_loop();
4543 bdrv_close_all();
4544 pause_all_vcpus();
4545 res_free();
4546 #ifdef CONFIG_TPM
4547 tpm_cleanup();
4548 #endif
4549
4550 return 0;
4551 }
QEMU Monitor Protocol