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block: Introduce qemu_try_blockalign()
[qemu/ar7.git] / vl.c
blobfe451aaf151c1ec4d71761890c213ac72cf3df0d
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include <unistd.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <time.h>
28 #include <errno.h>
29 #include <sys/time.h>
30
31 #include "config-host.h"
32
33 #ifdef CONFIG_SECCOMP
34 #include "sysemu/seccomp.h"
35 #endif
36
37 #if defined(CONFIG_VDE)
38 #include <libvdeplug.h>
39 #endif
40
41 #ifdef CONFIG_SDL
42 #if defined(__APPLE__) || defined(main)
43 #include <SDL.h>
44 int qemu_main(int argc, char **argv, char **envp);
45 int main(int argc, char **argv)
46 {
47 return qemu_main(argc, argv, NULL);
48 }
49 #undef main
50 #define main qemu_main
51 #endif
52 #endif /* CONFIG_SDL */
53
54 #ifdef CONFIG_COCOA
55 #undef main
56 #define main qemu_main
57 #endif /* CONFIG_COCOA */
58
59 #include <glib.h>
60
61 #include "qemu/sockets.h"
62 #include "hw/hw.h"
63 #include "hw/boards.h"
64 #include "hw/usb.h"
65 #include "hw/pcmcia.h"
66 #include "hw/i386/pc.h"
67 #include "hw/isa/isa.h"
68 #include "hw/bt.h"
69 #include "sysemu/watchdog.h"
70 #include "hw/i386/smbios.h"
71 #include "hw/xen/xen.h"
72 #include "hw/qdev.h"
73 #include "hw/loader.h"
74 #include "monitor/qdev.h"
75 #include "sysemu/bt.h"
76 #include "net/net.h"
77 #include "net/slirp.h"
78 #include "monitor/monitor.h"
79 #include "ui/console.h"
80 #include "sysemu/sysemu.h"
81 #include "exec/gdbstub.h"
82 #include "qemu/timer.h"
83 #include "sysemu/char.h"
84 #include "qemu/bitmap.h"
85 #include "sysemu/blockdev.h"
86 #include "hw/block/block.h"
87 #include "migration/block.h"
88 #include "sysemu/tpm.h"
89 #include "sysemu/dma.h"
90 #include "audio/audio.h"
91 #include "migration/migration.h"
92 #include "sysemu/kvm.h"
93 #include "qapi/qmp/qjson.h"
94 #include "qemu/option.h"
95 #include "qemu/config-file.h"
96 #include "qemu-options.h"
97 #include "qmp-commands.h"
98 #include "qemu/main-loop.h"
99 #ifdef CONFIG_VIRTFS
100 #include "fsdev/qemu-fsdev.h"
101 #endif
102 #include "sysemu/qtest.h"
103
104 #include "disas/disas.h"
105
106
107 #include "slirp/libslirp.h"
108
109 #include "trace.h"
110 #include "trace/control.h"
111 #include "qemu/queue.h"
112 #include "sysemu/cpus.h"
113 #include "sysemu/arch_init.h"
114 #include "qemu/osdep.h"
115
116 #include "ui/qemu-spice.h"
117 #include "qapi/string-input-visitor.h"
118 #include "qapi/opts-visitor.h"
119 #include "qom/object_interfaces.h"
120 #include "qapi-event.h"
121
122 #define DEFAULT_RAM_SIZE 128
123
124 #define MAX_VIRTIO_CONSOLES 1
125 #define MAX_SCLP_CONSOLES 1
126
127 static const char *data_dir[16];
128 static int data_dir_idx;
129 const char *bios_name = NULL;
130 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
131 DisplayType display_type = DT_DEFAULT;
132 static int display_remote;
133 const char* keyboard_layout = NULL;
134 ram_addr_t ram_size;
135 const char *mem_path = NULL;
136 int mem_prealloc = 0; /* force preallocation of physical target memory */
137 int nb_nics;
138 NICInfo nd_table[MAX_NICS];
139 int autostart;
140 static int rtc_utc = 1;
141 static int rtc_date_offset = -1; /* -1 means no change */
142 QEMUClockType rtc_clock;
143 int vga_interface_type = VGA_NONE;
144 static int full_screen = 0;
145 static int no_frame = 0;
146 int no_quit = 0;
147 #ifdef CONFIG_GTK
148 static bool grab_on_hover;
149 #endif
150 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
151 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
152 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
153 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
154 int win2k_install_hack = 0;
155 int singlestep = 0;
156 int smp_cpus = 1;
157 int max_cpus = 0;
158 int smp_cores = 1;
159 int smp_threads = 1;
160 #ifdef CONFIG_VNC
161 const char *vnc_display;
162 #endif
163 int acpi_enabled = 1;
164 int no_hpet = 0;
165 int fd_bootchk = 1;
166 static int no_reboot;
167 int no_shutdown = 0;
168 int cursor_hide = 1;
169 int graphic_rotate = 0;
170 const char *watchdog;
171 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
172 int nb_option_roms;
173 int semihosting_enabled = 0;
174 int old_param = 0;
175 const char *qemu_name;
176 int alt_grab = 0;
177 int ctrl_grab = 0;
178 unsigned int nb_prom_envs = 0;
179 const char *prom_envs[MAX_PROM_ENVS];
180 int boot_menu;
181 static bool boot_strict;
182 uint8_t *boot_splash_filedata;
183 size_t boot_splash_filedata_size;
184 uint8_t qemu_extra_params_fw[2];
185
186 typedef struct FWBootEntry FWBootEntry;
187
188 struct FWBootEntry {
189 QTAILQ_ENTRY(FWBootEntry) link;
190 int32_t bootindex;
191 DeviceState *dev;
192 char *suffix;
193 };
194
195 static QTAILQ_HEAD(, FWBootEntry) fw_boot_order =
196 QTAILQ_HEAD_INITIALIZER(fw_boot_order);
197
198 int nb_numa_nodes;
199 int max_numa_nodeid;
200 NodeInfo numa_info[MAX_NODES];
201
202 uint8_t qemu_uuid[16];
203 bool qemu_uuid_set;
204
205 static QEMUBootSetHandler *boot_set_handler;
206 static void *boot_set_opaque;
207
208 static NotifierList exit_notifiers =
209 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
210
211 static NotifierList machine_init_done_notifiers =
212 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
213
214 static bool tcg_allowed = true;
215 bool xen_allowed;
216 uint32_t xen_domid;
217 enum xen_mode xen_mode = XEN_EMULATE;
218 static int tcg_tb_size;
219
220 static int has_defaults = 1;
221 static int default_serial = 1;
222 static int default_parallel = 1;
223 static int default_virtcon = 1;
224 static int default_sclp = 1;
225 static int default_monitor = 1;
226 static int default_floppy = 1;
227 static int default_cdrom = 1;
228 static int default_sdcard = 1;
229 static int default_vga = 1;
230
231 static struct {
232 const char *driver;
233 int *flag;
234 } default_list[] = {
235 { .driver = "isa-serial", .flag = &default_serial },
236 { .driver = "isa-parallel", .flag = &default_parallel },
237 { .driver = "isa-fdc", .flag = &default_floppy },
238 { .driver = "ide-cd", .flag = &default_cdrom },
239 { .driver = "ide-hd", .flag = &default_cdrom },
240 { .driver = "ide-drive", .flag = &default_cdrom },
241 { .driver = "scsi-cd", .flag = &default_cdrom },
242 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
243 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
244 { .driver = "virtio-serial", .flag = &default_virtcon },
245 { .driver = "VGA", .flag = &default_vga },
246 { .driver = "isa-vga", .flag = &default_vga },
247 { .driver = "cirrus-vga", .flag = &default_vga },
248 { .driver = "isa-cirrus-vga", .flag = &default_vga },
249 { .driver = "vmware-svga", .flag = &default_vga },
250 { .driver = "qxl-vga", .flag = &default_vga },
251 };
252
253 static QemuOptsList qemu_rtc_opts = {
254 .name = "rtc",
255 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
256 .desc = {
257 {
258 .name = "base",
259 .type = QEMU_OPT_STRING,
260 },{
261 .name = "clock",
262 .type = QEMU_OPT_STRING,
263 },{
264 .name = "driftfix",
265 .type = QEMU_OPT_STRING,
266 },
267 { /* end of list */ }
268 },
269 };
270
271 static QemuOptsList qemu_sandbox_opts = {
272 .name = "sandbox",
273 .implied_opt_name = "enable",
274 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
275 .desc = {
276 {
277 .name = "enable",
278 .type = QEMU_OPT_BOOL,
279 },
280 { /* end of list */ }
281 },
282 };
283
284 static QemuOptsList qemu_trace_opts = {
285 .name = "trace",
286 .implied_opt_name = "trace",
287 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
288 .desc = {
289 {
290 .name = "events",
291 .type = QEMU_OPT_STRING,
292 },{
293 .name = "file",
294 .type = QEMU_OPT_STRING,
295 },
296 { /* end of list */ }
297 },
298 };
299
300 static QemuOptsList qemu_option_rom_opts = {
301 .name = "option-rom",
302 .implied_opt_name = "romfile",
303 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
304 .desc = {
305 {
306 .name = "bootindex",
307 .type = QEMU_OPT_NUMBER,
308 }, {
309 .name = "romfile",
310 .type = QEMU_OPT_STRING,
311 },
312 { /* end of list */ }
313 },
314 };
315
316 static QemuOptsList qemu_machine_opts = {
317 .name = "machine",
318 .implied_opt_name = "type",
319 .merge_lists = true,
320 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
321 .desc = {
322 {
323 .name = "type",
324 .type = QEMU_OPT_STRING,
325 .help = "emulated machine"
326 }, {
327 .name = "accel",
328 .type = QEMU_OPT_STRING,
329 .help = "accelerator list",
330 }, {
331 .name = "kernel_irqchip",
332 .type = QEMU_OPT_BOOL,
333 .help = "use KVM in-kernel irqchip",
334 }, {
335 .name = "kvm_shadow_mem",
336 .type = QEMU_OPT_SIZE,
337 .help = "KVM shadow MMU size",
338 }, {
339 .name = "kernel",
340 .type = QEMU_OPT_STRING,
341 .help = "Linux kernel image file",
342 }, {
343 .name = "initrd",
344 .type = QEMU_OPT_STRING,
345 .help = "Linux initial ramdisk file",
346 }, {
347 .name = "append",
348 .type = QEMU_OPT_STRING,
349 .help = "Linux kernel command line",
350 }, {
351 .name = "dtb",
352 .type = QEMU_OPT_STRING,
353 .help = "Linux kernel device tree file",
354 }, {
355 .name = "dumpdtb",
356 .type = QEMU_OPT_STRING,
357 .help = "Dump current dtb to a file and quit",
358 }, {
359 .name = "phandle_start",
360 .type = QEMU_OPT_NUMBER,
361 .help = "The first phandle ID we may generate dynamically",
362 }, {
363 .name = "dt_compatible",
364 .type = QEMU_OPT_STRING,
365 .help = "Overrides the \"compatible\" property of the dt root node",
366 }, {
367 .name = "dump-guest-core",
368 .type = QEMU_OPT_BOOL,
369 .help = "Include guest memory in a core dump",
370 }, {
371 .name = "mem-merge",
372 .type = QEMU_OPT_BOOL,
373 .help = "enable/disable memory merge support",
374 },{
375 .name = "usb",
376 .type = QEMU_OPT_BOOL,
377 .help = "Set on/off to enable/disable usb",
378 },{
379 .name = "firmware",
380 .type = QEMU_OPT_STRING,
381 .help = "firmware image",
382 },{
383 .name = "kvm-type",
384 .type = QEMU_OPT_STRING,
385 .help = "Specifies the KVM virtualization mode (HV, PR)",
386 },{
387 .name = PC_MACHINE_MAX_RAM_BELOW_4G,
388 .type = QEMU_OPT_SIZE,
389 .help = "maximum ram below the 4G boundary (32bit boundary)",
390 },
391 { /* End of list */ }
392 },
393 };
394
395 static QemuOptsList qemu_boot_opts = {
396 .name = "boot-opts",
397 .implied_opt_name = "order",
398 .merge_lists = true,
399 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
400 .desc = {
401 {
402 .name = "order",
403 .type = QEMU_OPT_STRING,
404 }, {
405 .name = "once",
406 .type = QEMU_OPT_STRING,
407 }, {
408 .name = "menu",
409 .type = QEMU_OPT_BOOL,
410 }, {
411 .name = "splash",
412 .type = QEMU_OPT_STRING,
413 }, {
414 .name = "splash-time",
415 .type = QEMU_OPT_STRING,
416 }, {
417 .name = "reboot-timeout",
418 .type = QEMU_OPT_STRING,
419 }, {
420 .name = "strict",
421 .type = QEMU_OPT_BOOL,
422 },
423 { /*End of list */ }
424 },
425 };
426
427 static QemuOptsList qemu_add_fd_opts = {
428 .name = "add-fd",
429 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
430 .desc = {
431 {
432 .name = "fd",
433 .type = QEMU_OPT_NUMBER,
434 .help = "file descriptor of which a duplicate is added to fd set",
435 },{
436 .name = "set",
437 .type = QEMU_OPT_NUMBER,
438 .help = "ID of the fd set to add fd to",
439 },{
440 .name = "opaque",
441 .type = QEMU_OPT_STRING,
442 .help = "free-form string used to describe fd",
443 },
444 { /* end of list */ }
445 },
446 };
447
448 static QemuOptsList qemu_object_opts = {
449 .name = "object",
450 .implied_opt_name = "qom-type",
451 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
452 .desc = {
453 { }
454 },
455 };
456
457 static QemuOptsList qemu_tpmdev_opts = {
458 .name = "tpmdev",
459 .implied_opt_name = "type",
460 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
461 .desc = {
462 /* options are defined in the TPM backends */
463 { /* end of list */ }
464 },
465 };
466
467 static QemuOptsList qemu_realtime_opts = {
468 .name = "realtime",
469 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
470 .desc = {
471 {
472 .name = "mlock",
473 .type = QEMU_OPT_BOOL,
474 },
475 { /* end of list */ }
476 },
477 };
478
479 static QemuOptsList qemu_msg_opts = {
480 .name = "msg",
481 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
482 .desc = {
483 {
484 .name = "timestamp",
485 .type = QEMU_OPT_BOOL,
486 },
487 { /* end of list */ }
488 },
489 };
490
491 static QemuOptsList qemu_name_opts = {
492 .name = "name",
493 .implied_opt_name = "guest",
494 .merge_lists = true,
495 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
496 .desc = {
497 {
498 .name = "guest",
499 .type = QEMU_OPT_STRING,
500 .help = "Sets the name of the guest.\n"
501 "This name will be displayed in the SDL window caption.\n"
502 "The name will also be used for the VNC server",
503 }, {
504 .name = "process",
505 .type = QEMU_OPT_STRING,
506 .help = "Sets the name of the QEMU process, as shown in top etc",
507 }, {
508 .name = "debug-threads",
509 .type = QEMU_OPT_BOOL,
510 .help = "When enabled, name the individual threads; defaults off.\n"
511 "NOTE: The thread names are for debugging and not a\n"
512 "stable API.",
513 },
514 { /* End of list */ }
515 },
516 };
517
518 static QemuOptsList qemu_mem_opts = {
519 .name = "memory",
520 .implied_opt_name = "size",
521 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
522 .merge_lists = true,
523 .desc = {
524 {
525 .name = "size",
526 .type = QEMU_OPT_SIZE,
527 },
528 {
529 .name = "slots",
530 .type = QEMU_OPT_NUMBER,
531 },
532 {
533 .name = "maxmem",
534 .type = QEMU_OPT_SIZE,
535 },
536 { /* end of list */ }
537 },
538 };
539
540 /**
541 * Get machine options
542 *
543 * Returns: machine options (never null).
544 */
545 QemuOpts *qemu_get_machine_opts(void)
546 {
547 return qemu_find_opts_singleton("machine");
548 }
549
550 const char *qemu_get_vm_name(void)
551 {
552 return qemu_name;
553 }
554
555 static void res_free(void)
556 {
557 if (boot_splash_filedata != NULL) {
558 g_free(boot_splash_filedata);
559 boot_splash_filedata = NULL;
560 }
561 }
562
563 static int default_driver_check(QemuOpts *opts, void *opaque)
564 {
565 const char *driver = qemu_opt_get(opts, "driver");
566 int i;
567
568 if (!driver)
569 return 0;
570 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
571 if (strcmp(default_list[i].driver, driver) != 0)
572 continue;
573 *(default_list[i].flag) = 0;
574 }
575 return 0;
576 }
577
578 /***********************************************************/
579 /* QEMU state */
580
581 static RunState current_run_state = RUN_STATE_PRELAUNCH;
582
583 /* We use RUN_STATE_MAX but any invalid value will do */
584 static RunState vmstop_requested = RUN_STATE_MAX;
585 static QemuMutex vmstop_lock;
586
587 typedef struct {
588 RunState from;
589 RunState to;
590 } RunStateTransition;
591
592 static const RunStateTransition runstate_transitions_def[] = {
593 /* from -> to */
594 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
595 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
596
597 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
598 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
599
600 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
601 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
602
603 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
604 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
605
606 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
607 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
608
609 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
610 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
611
612 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
613 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
614 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
615
616 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
617 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
618
619 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
620
621 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
622 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
623 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
624 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
625 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
626 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
627 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
628 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
629 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
630 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
631
632 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
633
634 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
635 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
636
637 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
638 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
639 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
640 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
641
642 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
643 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
644
645 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
646 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
647
648 { RUN_STATE_MAX, RUN_STATE_MAX },
649 };
650
651 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
652
653 bool runstate_check(RunState state)
654 {
655 return current_run_state == state;
656 }
657
658 static void runstate_init(void)
659 {
660 const RunStateTransition *p;
661
662 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
663 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
664 runstate_valid_transitions[p->from][p->to] = true;
665 }
666
667 qemu_mutex_init(&vmstop_lock);
668 }
669
670 /* This function will abort() on invalid state transitions */
671 void runstate_set(RunState new_state)
672 {
673 assert(new_state < RUN_STATE_MAX);
674
675 if (!runstate_valid_transitions[current_run_state][new_state]) {
676 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
677 RunState_lookup[current_run_state],
678 RunState_lookup[new_state]);
679 abort();
680 }
681 trace_runstate_set(new_state);
682 current_run_state = new_state;
683 }
684
685 int runstate_is_running(void)
686 {
687 return runstate_check(RUN_STATE_RUNNING);
688 }
689
690 bool runstate_needs_reset(void)
691 {
692 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
693 runstate_check(RUN_STATE_SHUTDOWN);
694 }
695
696 StatusInfo *qmp_query_status(Error **errp)
697 {
698 StatusInfo *info = g_malloc0(sizeof(*info));
699
700 info->running = runstate_is_running();
701 info->singlestep = singlestep;
702 info->status = current_run_state;
703
704 return info;
705 }
706
707 static bool qemu_vmstop_requested(RunState *r)
708 {
709 qemu_mutex_lock(&vmstop_lock);
710 *r = vmstop_requested;
711 vmstop_requested = RUN_STATE_MAX;
712 qemu_mutex_unlock(&vmstop_lock);
713 return *r < RUN_STATE_MAX;
714 }
715
716 void qemu_system_vmstop_request_prepare(void)
717 {
718 qemu_mutex_lock(&vmstop_lock);
719 }
720
721 void qemu_system_vmstop_request(RunState state)
722 {
723 vmstop_requested = state;
724 qemu_mutex_unlock(&vmstop_lock);
725 qemu_notify_event();
726 }
727
728 void vm_start(void)
729 {
730 RunState requested;
731
732 qemu_vmstop_requested(&requested);
733 if (runstate_is_running() && requested == RUN_STATE_MAX) {
734 return;
735 }
736
737 /* Ensure that a STOP/RESUME pair of events is emitted if a
738 * vmstop request was pending. The BLOCK_IO_ERROR event, for
739 * example, according to documentation is always followed by
740 * the STOP event.
741 */
742 if (runstate_is_running()) {
743 qapi_event_send_stop(&error_abort);
744 } else {
745 cpu_enable_ticks();
746 runstate_set(RUN_STATE_RUNNING);
747 vm_state_notify(1, RUN_STATE_RUNNING);
748 resume_all_vcpus();
749 }
750
751 qapi_event_send_resume(&error_abort);
752 }
753
754
755 /***********************************************************/
756 /* real time host monotonic timer */
757
758 /***********************************************************/
759 /* host time/date access */
760 void qemu_get_timedate(struct tm *tm, int offset)
761 {
762 time_t ti;
763
764 time(&ti);
765 ti += offset;
766 if (rtc_date_offset == -1) {
767 if (rtc_utc)
768 gmtime_r(&ti, tm);
769 else
770 localtime_r(&ti, tm);
771 } else {
772 ti -= rtc_date_offset;
773 gmtime_r(&ti, tm);
774 }
775 }
776
777 int qemu_timedate_diff(struct tm *tm)
778 {
779 time_t seconds;
780
781 if (rtc_date_offset == -1)
782 if (rtc_utc)
783 seconds = mktimegm(tm);
784 else {
785 struct tm tmp = *tm;
786 tmp.tm_isdst = -1; /* use timezone to figure it out */
787 seconds = mktime(&tmp);
788 }
789 else
790 seconds = mktimegm(tm) + rtc_date_offset;
791
792 return seconds - time(NULL);
793 }
794
795 static void configure_rtc_date_offset(const char *startdate, int legacy)
796 {
797 time_t rtc_start_date;
798 struct tm tm;
799
800 if (!strcmp(startdate, "now") && legacy) {
801 rtc_date_offset = -1;
802 } else {
803 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
804 &tm.tm_year,
805 &tm.tm_mon,
806 &tm.tm_mday,
807 &tm.tm_hour,
808 &tm.tm_min,
809 &tm.tm_sec) == 6) {
810 /* OK */
811 } else if (sscanf(startdate, "%d-%d-%d",
812 &tm.tm_year,
813 &tm.tm_mon,
814 &tm.tm_mday) == 3) {
815 tm.tm_hour = 0;
816 tm.tm_min = 0;
817 tm.tm_sec = 0;
818 } else {
819 goto date_fail;
820 }
821 tm.tm_year -= 1900;
822 tm.tm_mon--;
823 rtc_start_date = mktimegm(&tm);
824 if (rtc_start_date == -1) {
825 date_fail:
826 fprintf(stderr, "Invalid date format. Valid formats are:\n"
827 "'2006-06-17T16:01:21' or '2006-06-17'\n");
828 exit(1);
829 }
830 rtc_date_offset = time(NULL) - rtc_start_date;
831 }
832 }
833
834 static void configure_rtc(QemuOpts *opts)
835 {
836 const char *value;
837
838 value = qemu_opt_get(opts, "base");
839 if (value) {
840 if (!strcmp(value, "utc")) {
841 rtc_utc = 1;
842 } else if (!strcmp(value, "localtime")) {
843 rtc_utc = 0;
844 } else {
845 configure_rtc_date_offset(value, 0);
846 }
847 }
848 value = qemu_opt_get(opts, "clock");
849 if (value) {
850 if (!strcmp(value, "host")) {
851 rtc_clock = QEMU_CLOCK_HOST;
852 } else if (!strcmp(value, "rt")) {
853 rtc_clock = QEMU_CLOCK_REALTIME;
854 } else if (!strcmp(value, "vm")) {
855 rtc_clock = QEMU_CLOCK_VIRTUAL;
856 } else {
857 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
858 exit(1);
859 }
860 }
861 value = qemu_opt_get(opts, "driftfix");
862 if (value) {
863 if (!strcmp(value, "slew")) {
864 static GlobalProperty slew_lost_ticks[] = {
865 {
866 .driver = "mc146818rtc",
867 .property = "lost_tick_policy",
868 .value = "slew",
869 },
870 { /* end of list */ }
871 };
872
873 qdev_prop_register_global_list(slew_lost_ticks);
874 } else if (!strcmp(value, "none")) {
875 /* discard is default */
876 } else {
877 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
878 exit(1);
879 }
880 }
881 }
882
883 /***********************************************************/
884 /* Bluetooth support */
885 static int nb_hcis;
886 static int cur_hci;
887 static struct HCIInfo *hci_table[MAX_NICS];
888
889 struct HCIInfo *qemu_next_hci(void)
890 {
891 if (cur_hci == nb_hcis)
892 return &null_hci;
893
894 return hci_table[cur_hci++];
895 }
896
897 static int bt_hci_parse(const char *str)
898 {
899 struct HCIInfo *hci;
900 bdaddr_t bdaddr;
901
902 if (nb_hcis >= MAX_NICS) {
903 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
904 return -1;
905 }
906
907 hci = hci_init(str);
908 if (!hci)
909 return -1;
910
911 bdaddr.b[0] = 0x52;
912 bdaddr.b[1] = 0x54;
913 bdaddr.b[2] = 0x00;
914 bdaddr.b[3] = 0x12;
915 bdaddr.b[4] = 0x34;
916 bdaddr.b[5] = 0x56 + nb_hcis;
917 hci->bdaddr_set(hci, bdaddr.b);
918
919 hci_table[nb_hcis++] = hci;
920
921 return 0;
922 }
923
924 static void bt_vhci_add(int vlan_id)
925 {
926 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
927
928 if (!vlan->slave)
929 fprintf(stderr, "qemu: warning: adding a VHCI to "
930 "an empty scatternet %i\n", vlan_id);
931
932 bt_vhci_init(bt_new_hci(vlan));
933 }
934
935 static struct bt_device_s *bt_device_add(const char *opt)
936 {
937 struct bt_scatternet_s *vlan;
938 int vlan_id = 0;
939 char *endp = strstr(opt, ",vlan=");
940 int len = (endp ? endp - opt : strlen(opt)) + 1;
941 char devname[10];
942
943 pstrcpy(devname, MIN(sizeof(devname), len), opt);
944
945 if (endp) {
946 vlan_id = strtol(endp + 6, &endp, 0);
947 if (*endp) {
948 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
949 return 0;
950 }
951 }
952
953 vlan = qemu_find_bt_vlan(vlan_id);
954
955 if (!vlan->slave)
956 fprintf(stderr, "qemu: warning: adding a slave device to "
957 "an empty scatternet %i\n", vlan_id);
958
959 if (!strcmp(devname, "keyboard"))
960 return bt_keyboard_init(vlan);
961
962 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
963 return 0;
964 }
965
966 static int bt_parse(const char *opt)
967 {
968 const char *endp, *p;
969 int vlan;
970
971 if (strstart(opt, "hci", &endp)) {
972 if (!*endp || *endp == ',') {
973 if (*endp)
974 if (!strstart(endp, ",vlan=", 0))
975 opt = endp + 1;
976
977 return bt_hci_parse(opt);
978 }
979 } else if (strstart(opt, "vhci", &endp)) {
980 if (!*endp || *endp == ',') {
981 if (*endp) {
982 if (strstart(endp, ",vlan=", &p)) {
983 vlan = strtol(p, (char **) &endp, 0);
984 if (*endp) {
985 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
986 return 1;
987 }
988 } else {
989 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
990 return 1;
991 }
992 } else
993 vlan = 0;
994
995 bt_vhci_add(vlan);
996 return 0;
997 }
998 } else if (strstart(opt, "device:", &endp))
999 return !bt_device_add(endp);
1000
1001 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
1002 return 1;
1003 }
1004
1005 static int parse_sandbox(QemuOpts *opts, void *opaque)
1006 {
1007 /* FIXME: change this to true for 1.3 */
1008 if (qemu_opt_get_bool(opts, "enable", false)) {
1009 #ifdef CONFIG_SECCOMP
1010 if (seccomp_start() < 0) {
1011 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1012 "failed to install seccomp syscall filter in the kernel");
1013 return -1;
1014 }
1015 #else
1016 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1017 "sandboxing request but seccomp is not compiled into this build");
1018 return -1;
1019 #endif
1020 }
1021
1022 return 0;
1023 }
1024
1025 static int parse_name(QemuOpts *opts, void *opaque)
1026 {
1027 const char *proc_name;
1028
1029 if (qemu_opt_get(opts, "debug-threads")) {
1030 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1031 }
1032 qemu_name = qemu_opt_get(opts, "guest");
1033
1034 proc_name = qemu_opt_get(opts, "process");
1035 if (proc_name) {
1036 os_set_proc_name(proc_name);
1037 }
1038
1039 return 0;
1040 }
1041
1042 bool usb_enabled(bool default_usb)
1043 {
1044 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb",
1045 has_defaults && default_usb);
1046 }
1047
1048 #ifndef _WIN32
1049 static int parse_add_fd(QemuOpts *opts, void *opaque)
1050 {
1051 int fd, dupfd, flags;
1052 int64_t fdset_id;
1053 const char *fd_opaque = NULL;
1054
1055 fd = qemu_opt_get_number(opts, "fd", -1);
1056 fdset_id = qemu_opt_get_number(opts, "set", -1);
1057 fd_opaque = qemu_opt_get(opts, "opaque");
1058
1059 if (fd < 0) {
1060 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1061 "fd option is required and must be non-negative");
1062 return -1;
1063 }
1064
1065 if (fd <= STDERR_FILENO) {
1066 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1067 "fd cannot be a standard I/O stream");
1068 return -1;
1069 }
1070
1071 /*
1072 * All fds inherited across exec() necessarily have FD_CLOEXEC
1073 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1074 */
1075 flags = fcntl(fd, F_GETFD);
1076 if (flags == -1 || (flags & FD_CLOEXEC)) {
1077 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1078 "fd is not valid or already in use");
1079 return -1;
1080 }
1081
1082 if (fdset_id < 0) {
1083 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1084 "set option is required and must be non-negative");
1085 return -1;
1086 }
1087
1088 #ifdef F_DUPFD_CLOEXEC
1089 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1090 #else
1091 dupfd = dup(fd);
1092 if (dupfd != -1) {
1093 qemu_set_cloexec(dupfd);
1094 }
1095 #endif
1096 if (dupfd == -1) {
1097 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1098 "Error duplicating fd: %s", strerror(errno));
1099 return -1;
1100 }
1101
1102 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1103 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1104 fd_opaque, NULL);
1105
1106 return 0;
1107 }
1108
1109 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1110 {
1111 int fd;
1112
1113 fd = qemu_opt_get_number(opts, "fd", -1);
1114 close(fd);
1115
1116 return 0;
1117 }
1118 #endif
1119
1120 /***********************************************************/
1121 /* QEMU Block devices */
1122
1123 #define HD_OPTS "media=disk"
1124 #define CDROM_OPTS "media=cdrom"
1125 #define FD_OPTS ""
1126 #define PFLASH_OPTS ""
1127 #define MTD_OPTS ""
1128 #define SD_OPTS ""
1129
1130 static int drive_init_func(QemuOpts *opts, void *opaque)
1131 {
1132 BlockInterfaceType *block_default_type = opaque;
1133
1134 return drive_new(opts, *block_default_type) == NULL;
1135 }
1136
1137 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1138 {
1139 if (NULL == qemu_opt_get(opts, "snapshot")) {
1140 qemu_opt_set(opts, "snapshot", "on");
1141 }
1142 return 0;
1143 }
1144
1145 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1146 int index, const char *optstr)
1147 {
1148 QemuOpts *opts;
1149
1150 if (!enable || drive_get_by_index(type, index)) {
1151 return;
1152 }
1153
1154 opts = drive_add(type, index, NULL, optstr);
1155 if (snapshot) {
1156 drive_enable_snapshot(opts, NULL);
1157 }
1158 if (!drive_new(opts, type)) {
1159 exit(1);
1160 }
1161 }
1162
1163 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1164 {
1165 boot_set_handler = func;
1166 boot_set_opaque = opaque;
1167 }
1168
1169 int qemu_boot_set(const char *boot_order)
1170 {
1171 if (!boot_set_handler) {
1172 return -EINVAL;
1173 }
1174 return boot_set_handler(boot_set_opaque, boot_order);
1175 }
1176
1177 static void validate_bootdevices(const char *devices)
1178 {
1179 /* We just do some generic consistency checks */
1180 const char *p;
1181 int bitmap = 0;
1182
1183 for (p = devices; *p != '\0'; p++) {
1184 /* Allowed boot devices are:
1185 * a-b: floppy disk drives
1186 * c-f: IDE disk drives
1187 * g-m: machine implementation dependent drives
1188 * n-p: network devices
1189 * It's up to each machine implementation to check if the given boot
1190 * devices match the actual hardware implementation and firmware
1191 * features.
1192 */
1193 if (*p < 'a' || *p > 'p') {
1194 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1195 exit(1);
1196 }
1197 if (bitmap & (1 << (*p - 'a'))) {
1198 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1199 exit(1);
1200 }
1201 bitmap |= 1 << (*p - 'a');
1202 }
1203 }
1204
1205 static void restore_boot_order(void *opaque)
1206 {
1207 char *normal_boot_order = opaque;
1208 static int first = 1;
1209
1210 /* Restore boot order and remove ourselves after the first boot */
1211 if (first) {
1212 first = 0;
1213 return;
1214 }
1215
1216 qemu_boot_set(normal_boot_order);
1217
1218 qemu_unregister_reset(restore_boot_order, normal_boot_order);
1219 g_free(normal_boot_order);
1220 }
1221
1222 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
1223 const char *suffix)
1224 {
1225 FWBootEntry *node, *i;
1226
1227 if (bootindex < 0) {
1228 return;
1229 }
1230
1231 assert(dev != NULL || suffix != NULL);
1232
1233 node = g_malloc0(sizeof(FWBootEntry));
1234 node->bootindex = bootindex;
1235 node->suffix = g_strdup(suffix);
1236 node->dev = dev;
1237
1238 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1239 if (i->bootindex == bootindex) {
1240 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1241 exit(1);
1242 } else if (i->bootindex < bootindex) {
1243 continue;
1244 }
1245 QTAILQ_INSERT_BEFORE(i, node, link);
1246 return;
1247 }
1248 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1249 }
1250
1251 DeviceState *get_boot_device(uint32_t position)
1252 {
1253 uint32_t counter = 0;
1254 FWBootEntry *i = NULL;
1255 DeviceState *res = NULL;
1256
1257 if (!QTAILQ_EMPTY(&fw_boot_order)) {
1258 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1259 if (counter == position) {
1260 res = i->dev;
1261 break;
1262 }
1263 counter++;
1264 }
1265 }
1266 return res;
1267 }
1268
1269 /*
1270 * This function returns null terminated string that consist of new line
1271 * separated device paths.
1272 *
1273 * memory pointed by "size" is assigned total length of the array in bytes
1274 *
1275 */
1276 char *get_boot_devices_list(size_t *size, bool ignore_suffixes)
1277 {
1278 FWBootEntry *i;
1279 size_t total = 0;
1280 char *list = NULL;
1281
1282 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1283 char *devpath = NULL, *bootpath;
1284 size_t len;
1285
1286 if (i->dev) {
1287 devpath = qdev_get_fw_dev_path(i->dev);
1288 assert(devpath);
1289 }
1290
1291 if (i->suffix && !ignore_suffixes && devpath) {
1292 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1293
1294 bootpath = g_malloc(bootpathlen);
1295 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1296 g_free(devpath);
1297 } else if (devpath) {
1298 bootpath = devpath;
1299 } else if (!ignore_suffixes) {
1300 assert(i->suffix);
1301 bootpath = g_strdup(i->suffix);
1302 } else {
1303 bootpath = g_strdup("");
1304 }
1305
1306 if (total) {
1307 list[total-1] = '\n';
1308 }
1309 len = strlen(bootpath) + 1;
1310 list = g_realloc(list, total + len);
1311 memcpy(&list[total], bootpath, len);
1312 total += len;
1313 g_free(bootpath);
1314 }
1315
1316 *size = total;
1317
1318 if (boot_strict && *size > 0) {
1319 list[total-1] = '\n';
1320 list = g_realloc(list, total + 5);
1321 memcpy(&list[total], "HALT", 5);
1322 *size = total + 5;
1323 }
1324 return list;
1325 }
1326
1327 static QemuOptsList qemu_smp_opts = {
1328 .name = "smp-opts",
1329 .implied_opt_name = "cpus",
1330 .merge_lists = true,
1331 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1332 .desc = {
1333 {
1334 .name = "cpus",
1335 .type = QEMU_OPT_NUMBER,
1336 }, {
1337 .name = "sockets",
1338 .type = QEMU_OPT_NUMBER,
1339 }, {
1340 .name = "cores",
1341 .type = QEMU_OPT_NUMBER,
1342 }, {
1343 .name = "threads",
1344 .type = QEMU_OPT_NUMBER,
1345 }, {
1346 .name = "maxcpus",
1347 .type = QEMU_OPT_NUMBER,
1348 },
1349 { /*End of list */ }
1350 },
1351 };
1352
1353 static void smp_parse(QemuOpts *opts)
1354 {
1355 if (opts) {
1356
1357 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1358 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1359 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1360 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1361
1362 /* compute missing values, prefer sockets over cores over threads */
1363 if (cpus == 0 || sockets == 0) {
1364 sockets = sockets > 0 ? sockets : 1;
1365 cores = cores > 0 ? cores : 1;
1366 threads = threads > 0 ? threads : 1;
1367 if (cpus == 0) {
1368 cpus = cores * threads * sockets;
1369 }
1370 } else {
1371 if (cores == 0) {
1372 threads = threads > 0 ? threads : 1;
1373 cores = cpus / (sockets * threads);
1374 } else {
1375 threads = cpus / (cores * sockets);
1376 }
1377 }
1378
1379 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1380
1381 smp_cpus = cpus;
1382 smp_cores = cores > 0 ? cores : 1;
1383 smp_threads = threads > 0 ? threads : 1;
1384
1385 }
1386
1387 if (max_cpus == 0) {
1388 max_cpus = smp_cpus;
1389 }
1390
1391 if (max_cpus > MAX_CPUMASK_BITS) {
1392 fprintf(stderr, "Unsupported number of maxcpus\n");
1393 exit(1);
1394 }
1395 if (max_cpus < smp_cpus) {
1396 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1397 exit(1);
1398 }
1399
1400 }
1401
1402 static void configure_realtime(QemuOpts *opts)
1403 {
1404 bool enable_mlock;
1405
1406 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
1407
1408 if (enable_mlock) {
1409 if (os_mlock() < 0) {
1410 fprintf(stderr, "qemu: locking memory failed\n");
1411 exit(1);
1412 }
1413 }
1414 }
1415
1416
1417 static void configure_msg(QemuOpts *opts)
1418 {
1419 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1420 }
1421
1422 /***********************************************************/
1423 /* USB devices */
1424
1425 static int usb_device_add(const char *devname)
1426 {
1427 USBDevice *dev = NULL;
1428 #ifndef CONFIG_LINUX
1429 const char *p;
1430 #endif
1431
1432 if (!usb_enabled(false)) {
1433 return -1;
1434 }
1435
1436 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1437 dev = usbdevice_create(devname);
1438 if (dev)
1439 goto done;
1440
1441 /* the other ones */
1442 #ifndef CONFIG_LINUX
1443 /* only the linux version is qdev-ified, usb-bsd still needs this */
1444 if (strstart(devname, "host:", &p)) {
1445 dev = usb_host_device_open(usb_bus_find(-1), p);
1446 }
1447 #endif
1448 if (!dev)
1449 return -1;
1450
1451 done:
1452 return 0;
1453 }
1454
1455 static int usb_device_del(const char *devname)
1456 {
1457 int bus_num, addr;
1458 const char *p;
1459
1460 if (strstart(devname, "host:", &p)) {
1461 return -1;
1462 }
1463
1464 if (!usb_enabled(false)) {
1465 return -1;
1466 }
1467
1468 p = strchr(devname, '.');
1469 if (!p)
1470 return -1;
1471 bus_num = strtoul(devname, NULL, 0);
1472 addr = strtoul(p + 1, NULL, 0);
1473
1474 return usb_device_delete_addr(bus_num, addr);
1475 }
1476
1477 static int usb_parse(const char *cmdline)
1478 {
1479 int r;
1480 r = usb_device_add(cmdline);
1481 if (r < 0) {
1482 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1483 }
1484 return r;
1485 }
1486
1487 void do_usb_add(Monitor *mon, const QDict *qdict)
1488 {
1489 const char *devname = qdict_get_str(qdict, "devname");
1490 if (usb_device_add(devname) < 0) {
1491 error_report("could not add USB device '%s'", devname);
1492 }
1493 }
1494
1495 void do_usb_del(Monitor *mon, const QDict *qdict)
1496 {
1497 const char *devname = qdict_get_str(qdict, "devname");
1498 if (usb_device_del(devname) < 0) {
1499 error_report("could not delete USB device '%s'", devname);
1500 }
1501 }
1502
1503 /***********************************************************/
1504 /* PCMCIA/Cardbus */
1505
1506 static struct pcmcia_socket_entry_s {
1507 PCMCIASocket *socket;
1508 struct pcmcia_socket_entry_s *next;
1509 } *pcmcia_sockets = 0;
1510
1511 void pcmcia_socket_register(PCMCIASocket *socket)
1512 {
1513 struct pcmcia_socket_entry_s *entry;
1514
1515 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1516 entry->socket = socket;
1517 entry->next = pcmcia_sockets;
1518 pcmcia_sockets = entry;
1519 }
1520
1521 void pcmcia_socket_unregister(PCMCIASocket *socket)
1522 {
1523 struct pcmcia_socket_entry_s *entry, **ptr;
1524
1525 ptr = &pcmcia_sockets;
1526 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1527 if (entry->socket == socket) {
1528 *ptr = entry->next;
1529 g_free(entry);
1530 }
1531 }
1532
1533 void pcmcia_info(Monitor *mon, const QDict *qdict)
1534 {
1535 struct pcmcia_socket_entry_s *iter;
1536
1537 if (!pcmcia_sockets)
1538 monitor_printf(mon, "No PCMCIA sockets\n");
1539
1540 for (iter = pcmcia_sockets; iter; iter = iter->next)
1541 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1542 iter->socket->attached ? iter->socket->card_string :
1543 "Empty");
1544 }
1545
1546 /***********************************************************/
1547 /* machine registration */
1548
1549 MachineState *current_machine;
1550
1551 static void machine_class_init(ObjectClass *oc, void *data)
1552 {
1553 MachineClass *mc = MACHINE_CLASS(oc);
1554 QEMUMachine *qm = data;
1555
1556 mc->name = qm->name;
1557 mc->alias = qm->alias;
1558 mc->desc = qm->desc;
1559 mc->init = qm->init;
1560 mc->reset = qm->reset;
1561 mc->hot_add_cpu = qm->hot_add_cpu;
1562 mc->kvm_type = qm->kvm_type;
1563 mc->block_default_type = qm->block_default_type;
1564 mc->max_cpus = qm->max_cpus;
1565 mc->no_serial = qm->no_serial;
1566 mc->no_parallel = qm->no_parallel;
1567 mc->use_virtcon = qm->use_virtcon;
1568 mc->use_sclp = qm->use_sclp;
1569 mc->no_floppy = qm->no_floppy;
1570 mc->no_cdrom = qm->no_cdrom;
1571 mc->no_sdcard = qm->no_sdcard;
1572 mc->is_default = qm->is_default;
1573 mc->default_machine_opts = qm->default_machine_opts;
1574 mc->default_boot_order = qm->default_boot_order;
1575 mc->compat_props = qm->compat_props;
1576 mc->hw_version = qm->hw_version;
1577 }
1578
1579 int qemu_register_machine(QEMUMachine *m)
1580 {
1581 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1582 TypeInfo ti = {
1583 .name = name,
1584 .parent = TYPE_MACHINE,
1585 .class_init = machine_class_init,
1586 .class_data = (void *)m,
1587 };
1588
1589 type_register(&ti);
1590 g_free(name);
1591
1592 return 0;
1593 }
1594
1595 static MachineClass *find_machine(const char *name)
1596 {
1597 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1598 MachineClass *mc = NULL;
1599
1600 for (el = machines; el; el = el->next) {
1601 MachineClass *temp = el->data;
1602
1603 if (!strcmp(temp->name, name)) {
1604 mc = temp;
1605 break;
1606 }
1607 if (temp->alias &&
1608 !strcmp(temp->alias, name)) {
1609 mc = temp;
1610 break;
1611 }
1612 }
1613
1614 g_slist_free(machines);
1615 return mc;
1616 }
1617
1618 MachineClass *find_default_machine(void)
1619 {
1620 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1621 MachineClass *mc = NULL;
1622
1623 for (el = machines; el; el = el->next) {
1624 MachineClass *temp = el->data;
1625
1626 if (temp->is_default) {
1627 mc = temp;
1628 break;
1629 }
1630 }
1631
1632 g_slist_free(machines);
1633 return mc;
1634 }
1635
1636 MachineInfoList *qmp_query_machines(Error **errp)
1637 {
1638 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1639 MachineInfoList *mach_list = NULL;
1640
1641 for (el = machines; el; el = el->next) {
1642 MachineClass *mc = el->data;
1643 MachineInfoList *entry;
1644 MachineInfo *info;
1645
1646 info = g_malloc0(sizeof(*info));
1647 if (mc->is_default) {
1648 info->has_is_default = true;
1649 info->is_default = true;
1650 }
1651
1652 if (mc->alias) {
1653 info->has_alias = true;
1654 info->alias = g_strdup(mc->alias);
1655 }
1656
1657 info->name = g_strdup(mc->name);
1658 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1659
1660 entry = g_malloc0(sizeof(*entry));
1661 entry->value = info;
1662 entry->next = mach_list;
1663 mach_list = entry;
1664 }
1665
1666 g_slist_free(machines);
1667 return mach_list;
1668 }
1669
1670 /***********************************************************/
1671 /* main execution loop */
1672
1673 struct vm_change_state_entry {
1674 VMChangeStateHandler *cb;
1675 void *opaque;
1676 QLIST_ENTRY (vm_change_state_entry) entries;
1677 };
1678
1679 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1680
1681 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1682 void *opaque)
1683 {
1684 VMChangeStateEntry *e;
1685
1686 e = g_malloc0(sizeof (*e));
1687
1688 e->cb = cb;
1689 e->opaque = opaque;
1690 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1691 return e;
1692 }
1693
1694 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1695 {
1696 QLIST_REMOVE (e, entries);
1697 g_free (e);
1698 }
1699
1700 void vm_state_notify(int running, RunState state)
1701 {
1702 VMChangeStateEntry *e;
1703
1704 trace_vm_state_notify(running, state);
1705
1706 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1707 e->cb(e->opaque, running, state);
1708 }
1709 }
1710
1711 /* reset/shutdown handler */
1712
1713 typedef struct QEMUResetEntry {
1714 QTAILQ_ENTRY(QEMUResetEntry) entry;
1715 QEMUResetHandler *func;
1716 void *opaque;
1717 } QEMUResetEntry;
1718
1719 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1720 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1721 static int reset_requested;
1722 static int shutdown_requested, shutdown_signal = -1;
1723 static pid_t shutdown_pid;
1724 static int powerdown_requested;
1725 static int debug_requested;
1726 static int suspend_requested;
1727 static WakeupReason wakeup_reason;
1728 static NotifierList powerdown_notifiers =
1729 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1730 static NotifierList suspend_notifiers =
1731 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1732 static NotifierList wakeup_notifiers =
1733 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1734 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1735
1736 int qemu_shutdown_requested_get(void)
1737 {
1738 return shutdown_requested;
1739 }
1740
1741 int qemu_reset_requested_get(void)
1742 {
1743 return reset_requested;
1744 }
1745
1746 static int qemu_shutdown_requested(void)
1747 {
1748 int r = shutdown_requested;
1749 shutdown_requested = 0;
1750 return r;
1751 }
1752
1753 static void qemu_kill_report(void)
1754 {
1755 if (!qtest_driver() && shutdown_signal != -1) {
1756 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1757 if (shutdown_pid == 0) {
1758 /* This happens for eg ^C at the terminal, so it's worth
1759 * avoiding printing an odd message in that case.
1760 */
1761 fputc('\n', stderr);
1762 } else {
1763 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1764 }
1765 shutdown_signal = -1;
1766 }
1767 }
1768
1769 static int qemu_reset_requested(void)
1770 {
1771 int r = reset_requested;
1772 reset_requested = 0;
1773 return r;
1774 }
1775
1776 static int qemu_suspend_requested(void)
1777 {
1778 int r = suspend_requested;
1779 suspend_requested = 0;
1780 return r;
1781 }
1782
1783 static WakeupReason qemu_wakeup_requested(void)
1784 {
1785 return wakeup_reason;
1786 }
1787
1788 static int qemu_powerdown_requested(void)
1789 {
1790 int r = powerdown_requested;
1791 powerdown_requested = 0;
1792 return r;
1793 }
1794
1795 static int qemu_debug_requested(void)
1796 {
1797 int r = debug_requested;
1798 debug_requested = 0;
1799 return r;
1800 }
1801
1802 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1803 {
1804 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1805
1806 re->func = func;
1807 re->opaque = opaque;
1808 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1809 }
1810
1811 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1812 {
1813 QEMUResetEntry *re;
1814
1815 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1816 if (re->func == func && re->opaque == opaque) {
1817 QTAILQ_REMOVE(&reset_handlers, re, entry);
1818 g_free(re);
1819 return;
1820 }
1821 }
1822 }
1823
1824 void qemu_devices_reset(void)
1825 {
1826 QEMUResetEntry *re, *nre;
1827
1828 /* reset all devices */
1829 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1830 re->func(re->opaque);
1831 }
1832 }
1833
1834 void qemu_system_reset(bool report)
1835 {
1836 MachineClass *mc;
1837
1838 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1839
1840 if (mc && mc->reset) {
1841 mc->reset();
1842 } else {
1843 qemu_devices_reset();
1844 }
1845 if (report) {
1846 qapi_event_send_reset(&error_abort);
1847 }
1848 cpu_synchronize_all_post_reset();
1849 }
1850
1851 void qemu_system_reset_request(void)
1852 {
1853 if (no_reboot) {
1854 shutdown_requested = 1;
1855 } else {
1856 reset_requested = 1;
1857 }
1858 cpu_stop_current();
1859 qemu_notify_event();
1860 }
1861
1862 static void qemu_system_suspend(void)
1863 {
1864 pause_all_vcpus();
1865 notifier_list_notify(&suspend_notifiers, NULL);
1866 runstate_set(RUN_STATE_SUSPENDED);
1867 qapi_event_send_suspend(&error_abort);
1868 }
1869
1870 void qemu_system_suspend_request(void)
1871 {
1872 if (runstate_check(RUN_STATE_SUSPENDED)) {
1873 return;
1874 }
1875 suspend_requested = 1;
1876 cpu_stop_current();
1877 qemu_notify_event();
1878 }
1879
1880 void qemu_register_suspend_notifier(Notifier *notifier)
1881 {
1882 notifier_list_add(&suspend_notifiers, notifier);
1883 }
1884
1885 void qemu_system_wakeup_request(WakeupReason reason)
1886 {
1887 trace_system_wakeup_request(reason);
1888
1889 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1890 return;
1891 }
1892 if (!(wakeup_reason_mask & (1 << reason))) {
1893 return;
1894 }
1895 runstate_set(RUN_STATE_RUNNING);
1896 wakeup_reason = reason;
1897 qemu_notify_event();
1898 }
1899
1900 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1901 {
1902 if (enabled) {
1903 wakeup_reason_mask |= (1 << reason);
1904 } else {
1905 wakeup_reason_mask &= ~(1 << reason);
1906 }
1907 }
1908
1909 void qemu_register_wakeup_notifier(Notifier *notifier)
1910 {
1911 notifier_list_add(&wakeup_notifiers, notifier);
1912 }
1913
1914 void qemu_system_killed(int signal, pid_t pid)
1915 {
1916 shutdown_signal = signal;
1917 shutdown_pid = pid;
1918 no_shutdown = 0;
1919 qemu_system_shutdown_request();
1920 }
1921
1922 void qemu_system_shutdown_request(void)
1923 {
1924 trace_qemu_system_shutdown_request();
1925 shutdown_requested = 1;
1926 qemu_notify_event();
1927 }
1928
1929 static void qemu_system_powerdown(void)
1930 {
1931 qapi_event_send_powerdown(&error_abort);
1932 notifier_list_notify(&powerdown_notifiers, NULL);
1933 }
1934
1935 void qemu_system_powerdown_request(void)
1936 {
1937 trace_qemu_system_powerdown_request();
1938 powerdown_requested = 1;
1939 qemu_notify_event();
1940 }
1941
1942 void qemu_register_powerdown_notifier(Notifier *notifier)
1943 {
1944 notifier_list_add(&powerdown_notifiers, notifier);
1945 }
1946
1947 void qemu_system_debug_request(void)
1948 {
1949 debug_requested = 1;
1950 qemu_notify_event();
1951 }
1952
1953 static bool main_loop_should_exit(void)
1954 {
1955 RunState r;
1956 if (qemu_debug_requested()) {
1957 vm_stop(RUN_STATE_DEBUG);
1958 }
1959 if (qemu_suspend_requested()) {
1960 qemu_system_suspend();
1961 }
1962 if (qemu_shutdown_requested()) {
1963 qemu_kill_report();
1964 qapi_event_send_shutdown(&error_abort);
1965 if (no_shutdown) {
1966 vm_stop(RUN_STATE_SHUTDOWN);
1967 } else {
1968 return true;
1969 }
1970 }
1971 if (qemu_reset_requested()) {
1972 pause_all_vcpus();
1973 cpu_synchronize_all_states();
1974 qemu_system_reset(VMRESET_REPORT);
1975 resume_all_vcpus();
1976 if (runstate_needs_reset()) {
1977 runstate_set(RUN_STATE_PAUSED);
1978 }
1979 }
1980 if (qemu_wakeup_requested()) {
1981 pause_all_vcpus();
1982 cpu_synchronize_all_states();
1983 qemu_system_reset(VMRESET_SILENT);
1984 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1985 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1986 resume_all_vcpus();
1987 qapi_event_send_wakeup(&error_abort);
1988 }
1989 if (qemu_powerdown_requested()) {
1990 qemu_system_powerdown();
1991 }
1992 if (qemu_vmstop_requested(&r)) {
1993 vm_stop(r);
1994 }
1995 return false;
1996 }
1997
1998 static void main_loop(void)
1999 {
2000 bool nonblocking;
2001 int last_io = 0;
2002 #ifdef CONFIG_PROFILER
2003 int64_t ti;
2004 #endif
2005 do {
2006 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
2007 #ifdef CONFIG_PROFILER
2008 ti = profile_getclock();
2009 #endif
2010 last_io = main_loop_wait(nonblocking);
2011 #ifdef CONFIG_PROFILER
2012 dev_time += profile_getclock() - ti;
2013 #endif
2014 } while (!main_loop_should_exit());
2015 }
2016
2017 static void version(void)
2018 {
2019 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
2020 }
2021
2022 static void help(int exitcode)
2023 {
2024 version();
2025 printf("usage: %s [options] [disk_image]\n\n"
2026 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2027 error_get_progname());
2028
2029 #define QEMU_OPTIONS_GENERATE_HELP
2030 #include "qemu-options-wrapper.h"
2031
2032 printf("\nDuring emulation, the following keys are useful:\n"
2033 "ctrl-alt-f toggle full screen\n"
2034 "ctrl-alt-n switch to virtual console 'n'\n"
2035 "ctrl-alt toggle mouse and keyboard grab\n"
2036 "\n"
2037 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2038
2039 exit(exitcode);
2040 }
2041
2042 #define HAS_ARG 0x0001
2043
2044 typedef struct QEMUOption {
2045 const char *name;
2046 int flags;
2047 int index;
2048 uint32_t arch_mask;
2049 } QEMUOption;
2050
2051 static const QEMUOption qemu_options[] = {
2052 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2053 #define QEMU_OPTIONS_GENERATE_OPTIONS
2054 #include "qemu-options-wrapper.h"
2055 { NULL },
2056 };
2057
2058 static bool vga_available(void)
2059 {
2060 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2061 }
2062
2063 static bool cirrus_vga_available(void)
2064 {
2065 return object_class_by_name("cirrus-vga")
2066 || object_class_by_name("isa-cirrus-vga");
2067 }
2068
2069 static bool vmware_vga_available(void)
2070 {
2071 return object_class_by_name("vmware-svga");
2072 }
2073
2074 static bool qxl_vga_available(void)
2075 {
2076 return object_class_by_name("qxl-vga");
2077 }
2078
2079 static bool tcx_vga_available(void)
2080 {
2081 return object_class_by_name("SUNW,tcx");
2082 }
2083
2084 static bool cg3_vga_available(void)
2085 {
2086 return object_class_by_name("cgthree");
2087 }
2088
2089 static void select_vgahw (const char *p)
2090 {
2091 const char *opts;
2092
2093 assert(vga_interface_type == VGA_NONE);
2094 if (strstart(p, "std", &opts)) {
2095 if (vga_available()) {
2096 vga_interface_type = VGA_STD;
2097 } else {
2098 fprintf(stderr, "Error: standard VGA not available\n");
2099 exit(0);
2100 }
2101 } else if (strstart(p, "cirrus", &opts)) {
2102 if (cirrus_vga_available()) {
2103 vga_interface_type = VGA_CIRRUS;
2104 } else {
2105 fprintf(stderr, "Error: Cirrus VGA not available\n");
2106 exit(0);
2107 }
2108 } else if (strstart(p, "vmware", &opts)) {
2109 if (vmware_vga_available()) {
2110 vga_interface_type = VGA_VMWARE;
2111 } else {
2112 fprintf(stderr, "Error: VMWare SVGA not available\n");
2113 exit(0);
2114 }
2115 } else if (strstart(p, "xenfb", &opts)) {
2116 vga_interface_type = VGA_XENFB;
2117 } else if (strstart(p, "qxl", &opts)) {
2118 if (qxl_vga_available()) {
2119 vga_interface_type = VGA_QXL;
2120 } else {
2121 fprintf(stderr, "Error: QXL VGA not available\n");
2122 exit(0);
2123 }
2124 } else if (strstart(p, "tcx", &opts)) {
2125 if (tcx_vga_available()) {
2126 vga_interface_type = VGA_TCX;
2127 } else {
2128 fprintf(stderr, "Error: TCX framebuffer not available\n");
2129 exit(0);
2130 }
2131 } else if (strstart(p, "cg3", &opts)) {
2132 if (cg3_vga_available()) {
2133 vga_interface_type = VGA_CG3;
2134 } else {
2135 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2136 exit(0);
2137 }
2138 } else if (!strstart(p, "none", &opts)) {
2139 invalid_vga:
2140 fprintf(stderr, "Unknown vga type: %s\n", p);
2141 exit(1);
2142 }
2143 while (*opts) {
2144 const char *nextopt;
2145
2146 if (strstart(opts, ",retrace=", &nextopt)) {
2147 opts = nextopt;
2148 if (strstart(opts, "dumb", &nextopt))
2149 vga_retrace_method = VGA_RETRACE_DUMB;
2150 else if (strstart(opts, "precise", &nextopt))
2151 vga_retrace_method = VGA_RETRACE_PRECISE;
2152 else goto invalid_vga;
2153 } else goto invalid_vga;
2154 opts = nextopt;
2155 }
2156 }
2157
2158 static DisplayType select_display(const char *p)
2159 {
2160 const char *opts;
2161 DisplayType display = DT_DEFAULT;
2162
2163 if (strstart(p, "sdl", &opts)) {
2164 #ifdef CONFIG_SDL
2165 display = DT_SDL;
2166 while (*opts) {
2167 const char *nextopt;
2168
2169 if (strstart(opts, ",frame=", &nextopt)) {
2170 opts = nextopt;
2171 if (strstart(opts, "on", &nextopt)) {
2172 no_frame = 0;
2173 } else if (strstart(opts, "off", &nextopt)) {
2174 no_frame = 1;
2175 } else {
2176 goto invalid_sdl_args;
2177 }
2178 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2179 opts = nextopt;
2180 if (strstart(opts, "on", &nextopt)) {
2181 alt_grab = 1;
2182 } else if (strstart(opts, "off", &nextopt)) {
2183 alt_grab = 0;
2184 } else {
2185 goto invalid_sdl_args;
2186 }
2187 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2188 opts = nextopt;
2189 if (strstart(opts, "on", &nextopt)) {
2190 ctrl_grab = 1;
2191 } else if (strstart(opts, "off", &nextopt)) {
2192 ctrl_grab = 0;
2193 } else {
2194 goto invalid_sdl_args;
2195 }
2196 } else if (strstart(opts, ",window_close=", &nextopt)) {
2197 opts = nextopt;
2198 if (strstart(opts, "on", &nextopt)) {
2199 no_quit = 0;
2200 } else if (strstart(opts, "off", &nextopt)) {
2201 no_quit = 1;
2202 } else {
2203 goto invalid_sdl_args;
2204 }
2205 } else {
2206 invalid_sdl_args:
2207 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2208 exit(1);
2209 }
2210 opts = nextopt;
2211 }
2212 #else
2213 fprintf(stderr, "SDL support is disabled\n");
2214 exit(1);
2215 #endif
2216 } else if (strstart(p, "vnc", &opts)) {
2217 #ifdef CONFIG_VNC
2218 display_remote++;
2219
2220 if (*opts) {
2221 const char *nextopt;
2222
2223 if (strstart(opts, "=", &nextopt)) {
2224 vnc_display = nextopt;
2225 }
2226 }
2227 if (!vnc_display) {
2228 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2229 exit(1);
2230 }
2231 #else
2232 fprintf(stderr, "VNC support is disabled\n");
2233 exit(1);
2234 #endif
2235 } else if (strstart(p, "curses", &opts)) {
2236 #ifdef CONFIG_CURSES
2237 display = DT_CURSES;
2238 #else
2239 fprintf(stderr, "Curses support is disabled\n");
2240 exit(1);
2241 #endif
2242 } else if (strstart(p, "gtk", &opts)) {
2243 #ifdef CONFIG_GTK
2244 display = DT_GTK;
2245 while (*opts) {
2246 const char *nextopt;
2247
2248 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2249 opts = nextopt;
2250 if (strstart(opts, "on", &nextopt)) {
2251 grab_on_hover = true;
2252 } else if (strstart(opts, "off", &nextopt)) {
2253 grab_on_hover = false;
2254 } else {
2255 goto invalid_gtk_args;
2256 }
2257 } else {
2258 invalid_gtk_args:
2259 fprintf(stderr, "Invalid GTK option string: %s\n", p);
2260 exit(1);
2261 }
2262 opts = nextopt;
2263 }
2264 #else
2265 fprintf(stderr, "GTK support is disabled\n");
2266 exit(1);
2267 #endif
2268 } else if (strstart(p, "none", &opts)) {
2269 display = DT_NONE;
2270 } else {
2271 fprintf(stderr, "Unknown display type: %s\n", p);
2272 exit(1);
2273 }
2274
2275 return display;
2276 }
2277
2278 static int balloon_parse(const char *arg)
2279 {
2280 QemuOpts *opts;
2281
2282 if (strcmp(arg, "none") == 0) {
2283 return 0;
2284 }
2285
2286 if (!strncmp(arg, "virtio", 6)) {
2287 if (arg[6] == ',') {
2288 /* have params -> parse them */
2289 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2290 if (!opts)
2291 return -1;
2292 } else {
2293 /* create empty opts */
2294 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2295 &error_abort);
2296 }
2297 qemu_opt_set(opts, "driver", "virtio-balloon");
2298 return 0;
2299 }
2300
2301 return -1;
2302 }
2303
2304 char *qemu_find_file(int type, const char *name)
2305 {
2306 int i;
2307 const char *subdir;
2308 char *buf;
2309
2310 /* Try the name as a straight path first */
2311 if (access(name, R_OK) == 0) {
2312 trace_load_file(name, name);
2313 return g_strdup(name);
2314 }
2315
2316 switch (type) {
2317 case QEMU_FILE_TYPE_BIOS:
2318 subdir = "";
2319 break;
2320 case QEMU_FILE_TYPE_KEYMAP:
2321 subdir = "keymaps/";
2322 break;
2323 default:
2324 abort();
2325 }
2326
2327 for (i = 0; i < data_dir_idx; i++) {
2328 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2329 if (access(buf, R_OK) == 0) {
2330 trace_load_file(name, buf);
2331 return buf;
2332 }
2333 g_free(buf);
2334 }
2335 return NULL;
2336 }
2337
2338 static int device_help_func(QemuOpts *opts, void *opaque)
2339 {
2340 return qdev_device_help(opts);
2341 }
2342
2343 static int device_init_func(QemuOpts *opts, void *opaque)
2344 {
2345 DeviceState *dev;
2346
2347 dev = qdev_device_add(opts);
2348 if (!dev)
2349 return -1;
2350 object_unref(OBJECT(dev));
2351 return 0;
2352 }
2353
2354 static int chardev_init_func(QemuOpts *opts, void *opaque)
2355 {
2356 Error *local_err = NULL;
2357
2358 qemu_chr_new_from_opts(opts, NULL, &local_err);
2359 if (local_err) {
2360 error_report("%s", error_get_pretty(local_err));
2361 error_free(local_err);
2362 return -1;
2363 }
2364 return 0;
2365 }
2366
2367 #ifdef CONFIG_VIRTFS
2368 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2369 {
2370 int ret;
2371 ret = qemu_fsdev_add(opts);
2372
2373 return ret;
2374 }
2375 #endif
2376
2377 static int mon_init_func(QemuOpts *opts, void *opaque)
2378 {
2379 CharDriverState *chr;
2380 const char *chardev;
2381 const char *mode;
2382 int flags;
2383
2384 mode = qemu_opt_get(opts, "mode");
2385 if (mode == NULL) {
2386 mode = "readline";
2387 }
2388 if (strcmp(mode, "readline") == 0) {
2389 flags = MONITOR_USE_READLINE;
2390 } else if (strcmp(mode, "control") == 0) {
2391 flags = MONITOR_USE_CONTROL;
2392 } else {
2393 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2394 exit(1);
2395 }
2396
2397 if (qemu_opt_get_bool(opts, "pretty", 0))
2398 flags |= MONITOR_USE_PRETTY;
2399
2400 if (qemu_opt_get_bool(opts, "default", 0))
2401 flags |= MONITOR_IS_DEFAULT;
2402
2403 chardev = qemu_opt_get(opts, "chardev");
2404 chr = qemu_chr_find(chardev);
2405 if (chr == NULL) {
2406 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2407 exit(1);
2408 }
2409
2410 qemu_chr_fe_claim_no_fail(chr);
2411 monitor_init(chr, flags);
2412 return 0;
2413 }
2414
2415 static void monitor_parse(const char *optarg, const char *mode)
2416 {
2417 static int monitor_device_index = 0;
2418 QemuOpts *opts;
2419 const char *p;
2420 char label[32];
2421 int def = 0;
2422
2423 if (strstart(optarg, "chardev:", &p)) {
2424 snprintf(label, sizeof(label), "%s", p);
2425 } else {
2426 snprintf(label, sizeof(label), "compat_monitor%d",
2427 monitor_device_index);
2428 if (monitor_device_index == 0) {
2429 def = 1;
2430 }
2431 opts = qemu_chr_parse_compat(label, optarg);
2432 if (!opts) {
2433 fprintf(stderr, "parse error: %s\n", optarg);
2434 exit(1);
2435 }
2436 }
2437
2438 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2439 if (!opts) {
2440 fprintf(stderr, "duplicate chardev: %s\n", label);
2441 exit(1);
2442 }
2443 qemu_opt_set(opts, "mode", mode);
2444 qemu_opt_set(opts, "chardev", label);
2445 if (def)
2446 qemu_opt_set(opts, "default", "on");
2447 monitor_device_index++;
2448 }
2449
2450 struct device_config {
2451 enum {
2452 DEV_USB, /* -usbdevice */
2453 DEV_BT, /* -bt */
2454 DEV_SERIAL, /* -serial */
2455 DEV_PARALLEL, /* -parallel */
2456 DEV_VIRTCON, /* -virtioconsole */
2457 DEV_DEBUGCON, /* -debugcon */
2458 DEV_GDB, /* -gdb, -s */
2459 DEV_SCLP, /* s390 sclp */
2460 } type;
2461 const char *cmdline;
2462 Location loc;
2463 QTAILQ_ENTRY(device_config) next;
2464 };
2465
2466 static QTAILQ_HEAD(, device_config) device_configs =
2467 QTAILQ_HEAD_INITIALIZER(device_configs);
2468
2469 static void add_device_config(int type, const char *cmdline)
2470 {
2471 struct device_config *conf;
2472
2473 conf = g_malloc0(sizeof(*conf));
2474 conf->type = type;
2475 conf->cmdline = cmdline;
2476 loc_save(&conf->loc);
2477 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2478 }
2479
2480 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2481 {
2482 struct device_config *conf;
2483 int rc;
2484
2485 QTAILQ_FOREACH(conf, &device_configs, next) {
2486 if (conf->type != type)
2487 continue;
2488 loc_push_restore(&conf->loc);
2489 rc = func(conf->cmdline);
2490 loc_pop(&conf->loc);
2491 if (0 != rc)
2492 return rc;
2493 }
2494 return 0;
2495 }
2496
2497 static int serial_parse(const char *devname)
2498 {
2499 static int index = 0;
2500 char label[32];
2501
2502 if (strcmp(devname, "none") == 0)
2503 return 0;
2504 if (index == MAX_SERIAL_PORTS) {
2505 fprintf(stderr, "qemu: too many serial ports\n");
2506 exit(1);
2507 }
2508 snprintf(label, sizeof(label), "serial%d", index);
2509 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2510 if (!serial_hds[index]) {
2511 fprintf(stderr, "qemu: could not connect serial device"
2512 " to character backend '%s'\n", devname);
2513 return -1;
2514 }
2515 index++;
2516 return 0;
2517 }
2518
2519 static int parallel_parse(const char *devname)
2520 {
2521 static int index = 0;
2522 char label[32];
2523
2524 if (strcmp(devname, "none") == 0)
2525 return 0;
2526 if (index == MAX_PARALLEL_PORTS) {
2527 fprintf(stderr, "qemu: too many parallel ports\n");
2528 exit(1);
2529 }
2530 snprintf(label, sizeof(label), "parallel%d", index);
2531 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2532 if (!parallel_hds[index]) {
2533 fprintf(stderr, "qemu: could not connect parallel device"
2534 " to character backend '%s'\n", devname);
2535 return -1;
2536 }
2537 index++;
2538 return 0;
2539 }
2540
2541 static int virtcon_parse(const char *devname)
2542 {
2543 QemuOptsList *device = qemu_find_opts("device");
2544 static int index = 0;
2545 char label[32];
2546 QemuOpts *bus_opts, *dev_opts;
2547
2548 if (strcmp(devname, "none") == 0)
2549 return 0;
2550 if (index == MAX_VIRTIO_CONSOLES) {
2551 fprintf(stderr, "qemu: too many virtio consoles\n");
2552 exit(1);
2553 }
2554
2555 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2556 if (arch_type == QEMU_ARCH_S390X) {
2557 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2558 } else {
2559 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2560 }
2561
2562 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2563 qemu_opt_set(dev_opts, "driver", "virtconsole");
2564
2565 snprintf(label, sizeof(label), "virtcon%d", index);
2566 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2567 if (!virtcon_hds[index]) {
2568 fprintf(stderr, "qemu: could not connect virtio console"
2569 " to character backend '%s'\n", devname);
2570 return -1;
2571 }
2572 qemu_opt_set(dev_opts, "chardev", label);
2573
2574 index++;
2575 return 0;
2576 }
2577
2578 static int sclp_parse(const char *devname)
2579 {
2580 QemuOptsList *device = qemu_find_opts("device");
2581 static int index = 0;
2582 char label[32];
2583 QemuOpts *dev_opts;
2584
2585 if (strcmp(devname, "none") == 0) {
2586 return 0;
2587 }
2588 if (index == MAX_SCLP_CONSOLES) {
2589 fprintf(stderr, "qemu: too many sclp consoles\n");
2590 exit(1);
2591 }
2592
2593 assert(arch_type == QEMU_ARCH_S390X);
2594
2595 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2596 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2597
2598 snprintf(label, sizeof(label), "sclpcon%d", index);
2599 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2600 if (!sclp_hds[index]) {
2601 fprintf(stderr, "qemu: could not connect sclp console"
2602 " to character backend '%s'\n", devname);
2603 return -1;
2604 }
2605 qemu_opt_set(dev_opts, "chardev", label);
2606
2607 index++;
2608 return 0;
2609 }
2610
2611 static int debugcon_parse(const char *devname)
2612 {
2613 QemuOpts *opts;
2614
2615 if (!qemu_chr_new("debugcon", devname, NULL)) {
2616 exit(1);
2617 }
2618 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2619 if (!opts) {
2620 fprintf(stderr, "qemu: already have a debugcon device\n");
2621 exit(1);
2622 }
2623 qemu_opt_set(opts, "driver", "isa-debugcon");
2624 qemu_opt_set(opts, "chardev", "debugcon");
2625 return 0;
2626 }
2627
2628 static MachineClass *machine_parse(const char *name)
2629 {
2630 MachineClass *mc = NULL;
2631 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2632
2633 if (name) {
2634 mc = find_machine(name);
2635 }
2636 if (mc) {
2637 return mc;
2638 }
2639 if (name && !is_help_option(name)) {
2640 error_report("Unsupported machine type");
2641 error_printf("Use -machine help to list supported machines!\n");
2642 } else {
2643 printf("Supported machines are:\n");
2644 for (el = machines; el; el = el->next) {
2645 MachineClass *mc = el->data;
2646 if (mc->alias) {
2647 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2648 }
2649 printf("%-20s %s%s\n", mc->name, mc->desc,
2650 mc->is_default ? " (default)" : "");
2651 }
2652 }
2653
2654 g_slist_free(machines);
2655 exit(!name || !is_help_option(name));
2656 }
2657
2658 static int tcg_init(MachineClass *mc)
2659 {
2660 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2661 return 0;
2662 }
2663
2664 static struct {
2665 const char *opt_name;
2666 const char *name;
2667 int (*available)(void);
2668 int (*init)(MachineClass *mc);
2669 bool *allowed;
2670 } accel_list[] = {
2671 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2672 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2673 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2674 { "qtest", "QTest", qtest_available, qtest_init_accel, &qtest_allowed },
2675 };
2676
2677 static int configure_accelerator(MachineClass *mc)
2678 {
2679 const char *p;
2680 char buf[10];
2681 int i, ret;
2682 bool accel_initialised = false;
2683 bool init_failed = false;
2684
2685 p = qemu_opt_get(qemu_get_machine_opts(), "accel");
2686 if (p == NULL) {
2687 /* Use the default "accelerator", tcg */
2688 p = "tcg";
2689 }
2690
2691 while (!accel_initialised && *p != '\0') {
2692 if (*p == ':') {
2693 p++;
2694 }
2695 p = get_opt_name(buf, sizeof (buf), p, ':');
2696 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2697 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2698 if (!accel_list[i].available()) {
2699 printf("%s not supported for this target\n",
2700 accel_list[i].name);
2701 break;
2702 }
2703 *(accel_list[i].allowed) = true;
2704 ret = accel_list[i].init(mc);
2705 if (ret < 0) {
2706 init_failed = true;
2707 fprintf(stderr, "failed to initialize %s: %s\n",
2708 accel_list[i].name,
2709 strerror(-ret));
2710 *(accel_list[i].allowed) = false;
2711 } else {
2712 accel_initialised = true;
2713 }
2714 break;
2715 }
2716 }
2717 if (i == ARRAY_SIZE(accel_list)) {
2718 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2719 }
2720 }
2721
2722 if (!accel_initialised) {
2723 if (!init_failed) {
2724 fprintf(stderr, "No accelerator found!\n");
2725 }
2726 exit(1);
2727 }
2728
2729 if (init_failed) {
2730 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2731 }
2732
2733 return !accel_initialised;
2734 }
2735
2736 void qemu_add_exit_notifier(Notifier *notify)
2737 {
2738 notifier_list_add(&exit_notifiers, notify);
2739 }
2740
2741 void qemu_remove_exit_notifier(Notifier *notify)
2742 {
2743 notifier_remove(notify);
2744 }
2745
2746 static void qemu_run_exit_notifiers(void)
2747 {
2748 notifier_list_notify(&exit_notifiers, NULL);
2749 }
2750
2751 void qemu_add_machine_init_done_notifier(Notifier *notify)
2752 {
2753 notifier_list_add(&machine_init_done_notifiers, notify);
2754 }
2755
2756 static void qemu_run_machine_init_done_notifiers(void)
2757 {
2758 notifier_list_notify(&machine_init_done_notifiers, NULL);
2759 }
2760
2761 static const QEMUOption *lookup_opt(int argc, char **argv,
2762 const char **poptarg, int *poptind)
2763 {
2764 const QEMUOption *popt;
2765 int optind = *poptind;
2766 char *r = argv[optind];
2767 const char *optarg;
2768
2769 loc_set_cmdline(argv, optind, 1);
2770 optind++;
2771 /* Treat --foo the same as -foo. */
2772 if (r[1] == '-')
2773 r++;
2774 popt = qemu_options;
2775 for(;;) {
2776 if (!popt->name) {
2777 error_report("invalid option");
2778 exit(1);
2779 }
2780 if (!strcmp(popt->name, r + 1))
2781 break;
2782 popt++;
2783 }
2784 if (popt->flags & HAS_ARG) {
2785 if (optind >= argc) {
2786 error_report("requires an argument");
2787 exit(1);
2788 }
2789 optarg = argv[optind++];
2790 loc_set_cmdline(argv, optind - 2, 2);
2791 } else {
2792 optarg = NULL;
2793 }
2794
2795 *poptarg = optarg;
2796 *poptind = optind;
2797
2798 return popt;
2799 }
2800
2801 static gpointer malloc_and_trace(gsize n_bytes)
2802 {
2803 void *ptr = malloc(n_bytes);
2804 trace_g_malloc(n_bytes, ptr);
2805 return ptr;
2806 }
2807
2808 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2809 {
2810 void *ptr = realloc(mem, n_bytes);
2811 trace_g_realloc(mem, n_bytes, ptr);
2812 return ptr;
2813 }
2814
2815 static void free_and_trace(gpointer mem)
2816 {
2817 trace_g_free(mem);
2818 free(mem);
2819 }
2820
2821 static int object_set_property(const char *name, const char *value, void *opaque)
2822 {
2823 Object *obj = OBJECT(opaque);
2824 StringInputVisitor *siv;
2825 Error *local_err = NULL;
2826 char *c, *qom_name;
2827
2828 if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0 ||
2829 strcmp(name, "type") == 0) {
2830 return 0;
2831 }
2832
2833 qom_name = g_strdup(name);
2834 c = qom_name;
2835 while (*c++) {
2836 if (*c == '_') {
2837 *c = '-';
2838 }
2839 }
2840
2841 siv = string_input_visitor_new(value);
2842 object_property_set(obj, string_input_get_visitor(siv), qom_name, &local_err);
2843 string_input_visitor_cleanup(siv);
2844 g_free(qom_name);
2845
2846 if (local_err) {
2847 qerror_report_err(local_err);
2848 error_free(local_err);
2849 return -1;
2850 }
2851
2852 return 0;
2853 }
2854
2855 static int object_create(QemuOpts *opts, void *opaque)
2856 {
2857 Error *err = NULL;
2858 char *type = NULL;
2859 char *id = NULL;
2860 void *dummy = NULL;
2861 OptsVisitor *ov;
2862 QDict *pdict;
2863
2864 ov = opts_visitor_new(opts);
2865 pdict = qemu_opts_to_qdict(opts, NULL);
2866
2867 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2868 if (err) {
2869 goto out;
2870 }
2871
2872 qdict_del(pdict, "qom-type");
2873 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2874 if (err) {
2875 goto out;
2876 }
2877
2878 qdict_del(pdict, "id");
2879 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2880 if (err) {
2881 goto out;
2882 }
2883
2884 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2885 if (err) {
2886 goto out;
2887 }
2888 visit_end_struct(opts_get_visitor(ov), &err);
2889 if (err) {
2890 qmp_object_del(id, NULL);
2891 }
2892
2893 out:
2894 opts_visitor_cleanup(ov);
2895
2896 QDECREF(pdict);
2897 g_free(id);
2898 g_free(type);
2899 g_free(dummy);
2900 if (err) {
2901 qerror_report_err(err);
2902 return -1;
2903 }
2904 return 0;
2905 }
2906
2907 int main(int argc, char **argv, char **envp)
2908 {
2909 int i;
2910 int snapshot, linux_boot;
2911 const char *icount_option = NULL;
2912 const char *initrd_filename;
2913 const char *kernel_filename, *kernel_cmdline;
2914 const char *boot_order;
2915 DisplayState *ds;
2916 int cyls, heads, secs, translation;
2917 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2918 QemuOptsList *olist;
2919 int optind;
2920 const char *optarg;
2921 const char *loadvm = NULL;
2922 MachineClass *machine_class;
2923 const char *cpu_model;
2924 const char *vga_model = NULL;
2925 const char *qtest_chrdev = NULL;
2926 const char *qtest_log = NULL;
2927 const char *pid_file = NULL;
2928 const char *incoming = NULL;
2929 #ifdef CONFIG_VNC
2930 int show_vnc_port = 0;
2931 #endif
2932 bool defconfig = true;
2933 bool userconfig = true;
2934 const char *log_mask = NULL;
2935 const char *log_file = NULL;
2936 GMemVTable mem_trace = {
2937 .malloc = malloc_and_trace,
2938 .realloc = realloc_and_trace,
2939 .free = free_and_trace,
2940 };
2941 const char *trace_events = NULL;
2942 const char *trace_file = NULL;
2943 const ram_addr_t default_ram_size = (ram_addr_t)DEFAULT_RAM_SIZE *
2944 1024 * 1024;
2945 ram_addr_t maxram_size = default_ram_size;
2946 uint64_t ram_slots = 0;
2947 FILE *vmstate_dump_file = NULL;
2948
2949 atexit(qemu_run_exit_notifiers);
2950 error_set_progname(argv[0]);
2951 qemu_init_exec_dir(argv[0]);
2952
2953 g_mem_set_vtable(&mem_trace);
2954
2955 module_call_init(MODULE_INIT_QOM);
2956
2957 qemu_add_opts(&qemu_drive_opts);
2958 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2959 qemu_add_drive_opts(&qemu_common_drive_opts);
2960 qemu_add_drive_opts(&qemu_drive_opts);
2961 qemu_add_opts(&qemu_chardev_opts);
2962 qemu_add_opts(&qemu_device_opts);
2963 qemu_add_opts(&qemu_netdev_opts);
2964 qemu_add_opts(&qemu_net_opts);
2965 qemu_add_opts(&qemu_rtc_opts);
2966 qemu_add_opts(&qemu_global_opts);
2967 qemu_add_opts(&qemu_mon_opts);
2968 qemu_add_opts(&qemu_trace_opts);
2969 qemu_add_opts(&qemu_option_rom_opts);
2970 qemu_add_opts(&qemu_machine_opts);
2971 qemu_add_opts(&qemu_mem_opts);
2972 qemu_add_opts(&qemu_smp_opts);
2973 qemu_add_opts(&qemu_boot_opts);
2974 qemu_add_opts(&qemu_sandbox_opts);
2975 qemu_add_opts(&qemu_add_fd_opts);
2976 qemu_add_opts(&qemu_object_opts);
2977 qemu_add_opts(&qemu_tpmdev_opts);
2978 qemu_add_opts(&qemu_realtime_opts);
2979 qemu_add_opts(&qemu_msg_opts);
2980 qemu_add_opts(&qemu_name_opts);
2981 qemu_add_opts(&qemu_numa_opts);
2982
2983 runstate_init();
2984
2985 rtc_clock = QEMU_CLOCK_HOST;
2986
2987 QLIST_INIT (&vm_change_state_head);
2988 os_setup_early_signal_handling();
2989
2990 module_call_init(MODULE_INIT_MACHINE);
2991 machine_class = find_default_machine();
2992 cpu_model = NULL;
2993 ram_size = default_ram_size;
2994 snapshot = 0;
2995 cyls = heads = secs = 0;
2996 translation = BIOS_ATA_TRANSLATION_AUTO;
2997
2998 for (i = 0; i < MAX_NODES; i++) {
2999 numa_info[i].node_mem = 0;
3000 numa_info[i].present = false;
3001 bitmap_zero(numa_info[i].node_cpu, MAX_CPUMASK_BITS);
3002 }
3003
3004 nb_numa_nodes = 0;
3005 max_numa_nodeid = 0;
3006 nb_nics = 0;
3007
3008 bdrv_init_with_whitelist();
3009
3010 autostart = 1;
3011
3012 /* first pass of option parsing */
3013 optind = 1;
3014 while (optind < argc) {
3015 if (argv[optind][0] != '-') {
3016 /* disk image */
3017 optind++;
3018 } else {
3019 const QEMUOption *popt;
3020
3021 popt = lookup_opt(argc, argv, &optarg, &optind);
3022 switch (popt->index) {
3023 case QEMU_OPTION_nodefconfig:
3024 defconfig = false;
3025 break;
3026 case QEMU_OPTION_nouserconfig:
3027 userconfig = false;
3028 break;
3029 }
3030 }
3031 }
3032
3033 if (defconfig) {
3034 int ret;
3035 ret = qemu_read_default_config_files(userconfig);
3036 if (ret < 0) {
3037 exit(1);
3038 }
3039 }
3040
3041 /* second pass of option parsing */
3042 optind = 1;
3043 for(;;) {
3044 if (optind >= argc)
3045 break;
3046 if (argv[optind][0] != '-') {
3047 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3048 } else {
3049 const QEMUOption *popt;
3050
3051 popt = lookup_opt(argc, argv, &optarg, &optind);
3052 if (!(popt->arch_mask & arch_type)) {
3053 printf("Option %s not supported for this target\n", popt->name);
3054 exit(1);
3055 }
3056 switch(popt->index) {
3057 case QEMU_OPTION_M:
3058 machine_class = machine_parse(optarg);
3059 break;
3060 case QEMU_OPTION_no_kvm_irqchip: {
3061 olist = qemu_find_opts("machine");
3062 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
3063 break;
3064 }
3065 case QEMU_OPTION_cpu:
3066 /* hw initialization will check this */
3067 cpu_model = optarg;
3068 break;
3069 case QEMU_OPTION_hda:
3070 {
3071 char buf[256];
3072 if (cyls == 0)
3073 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3074 else
3075 snprintf(buf, sizeof(buf),
3076 "%s,cyls=%d,heads=%d,secs=%d%s",
3077 HD_OPTS , cyls, heads, secs,
3078 translation == BIOS_ATA_TRANSLATION_LBA ?
3079 ",trans=lba" :
3080 translation == BIOS_ATA_TRANSLATION_NONE ?
3081 ",trans=none" : "");
3082 drive_add(IF_DEFAULT, 0, optarg, buf);
3083 break;
3084 }
3085 case QEMU_OPTION_hdb:
3086 case QEMU_OPTION_hdc:
3087 case QEMU_OPTION_hdd:
3088 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3089 HD_OPTS);
3090 break;
3091 case QEMU_OPTION_drive:
3092 if (drive_def(optarg) == NULL) {
3093 exit(1);
3094 }
3095 break;
3096 case QEMU_OPTION_set:
3097 if (qemu_set_option(optarg) != 0)
3098 exit(1);
3099 break;
3100 case QEMU_OPTION_global:
3101 if (qemu_global_option(optarg) != 0)
3102 exit(1);
3103 break;
3104 case QEMU_OPTION_mtdblock:
3105 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3106 break;
3107 case QEMU_OPTION_sd:
3108 drive_add(IF_SD, -1, optarg, SD_OPTS);
3109 break;
3110 case QEMU_OPTION_pflash:
3111 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3112 break;
3113 case QEMU_OPTION_snapshot:
3114 snapshot = 1;
3115 break;
3116 case QEMU_OPTION_hdachs:
3117 {
3118 const char *p;
3119 p = optarg;
3120 cyls = strtol(p, (char **)&p, 0);
3121 if (cyls < 1 || cyls > 16383)
3122 goto chs_fail;
3123 if (*p != ',')
3124 goto chs_fail;
3125 p++;
3126 heads = strtol(p, (char **)&p, 0);
3127 if (heads < 1 || heads > 16)
3128 goto chs_fail;
3129 if (*p != ',')
3130 goto chs_fail;
3131 p++;
3132 secs = strtol(p, (char **)&p, 0);
3133 if (secs < 1 || secs > 63)
3134 goto chs_fail;
3135 if (*p == ',') {
3136 p++;
3137 if (!strcmp(p, "large")) {
3138 translation = BIOS_ATA_TRANSLATION_LARGE;
3139 } else if (!strcmp(p, "rechs")) {
3140 translation = BIOS_ATA_TRANSLATION_RECHS;
3141 } else if (!strcmp(p, "none")) {
3142 translation = BIOS_ATA_TRANSLATION_NONE;
3143 } else if (!strcmp(p, "lba")) {
3144 translation = BIOS_ATA_TRANSLATION_LBA;
3145 } else if (!strcmp(p, "auto")) {
3146 translation = BIOS_ATA_TRANSLATION_AUTO;
3147 } else {
3148 goto chs_fail;
3149 }
3150 } else if (*p != '\0') {
3151 chs_fail:
3152 fprintf(stderr, "qemu: invalid physical CHS format\n");
3153 exit(1);
3154 }
3155 if (hda_opts != NULL) {
3156 char num[16];
3157 snprintf(num, sizeof(num), "%d", cyls);
3158 qemu_opt_set(hda_opts, "cyls", num);
3159 snprintf(num, sizeof(num), "%d", heads);
3160 qemu_opt_set(hda_opts, "heads", num);
3161 snprintf(num, sizeof(num), "%d", secs);
3162 qemu_opt_set(hda_opts, "secs", num);
3163 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3164 qemu_opt_set(hda_opts, "trans", "large");
3165 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3166 qemu_opt_set(hda_opts, "trans", "rechs");
3167 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3168 qemu_opt_set(hda_opts, "trans", "lba");
3169 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3170 qemu_opt_set(hda_opts, "trans", "none");
3171 }
3172 }
3173 }
3174 break;
3175 case QEMU_OPTION_numa:
3176 opts = qemu_opts_parse(qemu_find_opts("numa"), optarg, 1);
3177 if (!opts) {
3178 exit(1);
3179 }
3180 break;
3181 case QEMU_OPTION_display:
3182 display_type = select_display(optarg);
3183 break;
3184 case QEMU_OPTION_nographic:
3185 display_type = DT_NOGRAPHIC;
3186 break;
3187 case QEMU_OPTION_curses:
3188 #ifdef CONFIG_CURSES
3189 display_type = DT_CURSES;
3190 #else
3191 fprintf(stderr, "Curses support is disabled\n");
3192 exit(1);
3193 #endif
3194 break;
3195 case QEMU_OPTION_portrait:
3196 graphic_rotate = 90;
3197 break;
3198 case QEMU_OPTION_rotate:
3199 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3200 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3201 graphic_rotate != 180 && graphic_rotate != 270) {
3202 fprintf(stderr,
3203 "qemu: only 90, 180, 270 deg rotation is available\n");
3204 exit(1);
3205 }
3206 break;
3207 case QEMU_OPTION_kernel:
3208 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3209 break;
3210 case QEMU_OPTION_initrd:
3211 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3212 break;
3213 case QEMU_OPTION_append:
3214 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3215 break;
3216 case QEMU_OPTION_dtb:
3217 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3218 break;
3219 case QEMU_OPTION_cdrom:
3220 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3221 break;
3222 case QEMU_OPTION_boot:
3223 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3224 if (!opts) {
3225 exit(1);
3226 }
3227 break;
3228 case QEMU_OPTION_fda:
3229 case QEMU_OPTION_fdb:
3230 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3231 optarg, FD_OPTS);
3232 break;
3233 case QEMU_OPTION_no_fd_bootchk:
3234 fd_bootchk = 0;
3235 break;
3236 case QEMU_OPTION_netdev:
3237 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3238 exit(1);
3239 }
3240 break;
3241 case QEMU_OPTION_net:
3242 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3243 exit(1);
3244 }
3245 break;
3246 #ifdef CONFIG_LIBISCSI
3247 case QEMU_OPTION_iscsi:
3248 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3249 if (!opts) {
3250 exit(1);
3251 }
3252 break;
3253 #endif
3254 #ifdef CONFIG_SLIRP
3255 case QEMU_OPTION_tftp:
3256 legacy_tftp_prefix = optarg;
3257 break;
3258 case QEMU_OPTION_bootp:
3259 legacy_bootp_filename = optarg;
3260 break;
3261 case QEMU_OPTION_redir:
3262 if (net_slirp_redir(optarg) < 0)
3263 exit(1);
3264 break;
3265 #endif
3266 case QEMU_OPTION_bt:
3267 add_device_config(DEV_BT, optarg);
3268 break;
3269 case QEMU_OPTION_audio_help:
3270 AUD_help ();
3271 exit (0);
3272 break;
3273 case QEMU_OPTION_soundhw:
3274 select_soundhw (optarg);
3275 break;
3276 case QEMU_OPTION_h:
3277 help(0);
3278 break;
3279 case QEMU_OPTION_version:
3280 version();
3281 exit(0);
3282 break;
3283 case QEMU_OPTION_m: {
3284 uint64_t sz;
3285 const char *mem_str;
3286 const char *maxmem_str, *slots_str;
3287
3288 opts = qemu_opts_parse(qemu_find_opts("memory"),
3289 optarg, 1);
3290 if (!opts) {
3291 exit(EXIT_FAILURE);
3292 }
3293
3294 mem_str = qemu_opt_get(opts, "size");
3295 if (!mem_str) {
3296 error_report("invalid -m option, missing 'size' option");
3297 exit(EXIT_FAILURE);
3298 }
3299 if (!*mem_str) {
3300 error_report("missing 'size' option value");
3301 exit(EXIT_FAILURE);
3302 }
3303
3304 sz = qemu_opt_get_size(opts, "size", ram_size);
3305
3306 /* Fix up legacy suffix-less format */
3307 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
3308 uint64_t overflow_check = sz;
3309
3310 sz <<= 20;
3311 if ((sz >> 20) != overflow_check) {
3312 error_report("too large 'size' option value");
3313 exit(EXIT_FAILURE);
3314 }
3315 }
3316
3317 /* backward compatibility behaviour for case "-m 0" */
3318 if (sz == 0) {
3319 sz = default_ram_size;
3320 }
3321
3322 sz = QEMU_ALIGN_UP(sz, 8192);
3323 ram_size = sz;
3324 if (ram_size != sz) {
3325 error_report("ram size too large");
3326 exit(EXIT_FAILURE);
3327 }
3328 maxram_size = ram_size;
3329
3330 maxmem_str = qemu_opt_get(opts, "maxmem");
3331 slots_str = qemu_opt_get(opts, "slots");
3332 if (maxmem_str && slots_str) {
3333 uint64_t slots;
3334
3335 sz = qemu_opt_get_size(opts, "maxmem", 0);
3336 if (sz < ram_size) {
3337 fprintf(stderr, "qemu: invalid -m option value: maxmem "
3338 "(%" PRIu64 ") <= initial memory ("
3339 RAM_ADDR_FMT ")\n", sz, ram_size);
3340 exit(EXIT_FAILURE);
3341 }
3342
3343 slots = qemu_opt_get_number(opts, "slots", 0);
3344 if ((sz > ram_size) && !slots) {
3345 fprintf(stderr, "qemu: invalid -m option value: maxmem "
3346 "(%" PRIu64 ") more than initial memory ("
3347 RAM_ADDR_FMT ") but no hotplug slots where "
3348 "specified\n", sz, ram_size);
3349 exit(EXIT_FAILURE);
3350 }
3351
3352 if ((sz <= ram_size) && slots) {
3353 fprintf(stderr, "qemu: invalid -m option value: %"
3354 PRIu64 " hotplug slots where specified but "
3355 "maxmem (%" PRIu64 ") <= initial memory ("
3356 RAM_ADDR_FMT ")\n", slots, sz, ram_size);
3357 exit(EXIT_FAILURE);
3358 }
3359 maxram_size = sz;
3360 ram_slots = slots;
3361 } else if ((!maxmem_str && slots_str) ||
3362 (maxmem_str && !slots_str)) {
3363 fprintf(stderr, "qemu: invalid -m option value: missing "
3364 "'%s' option\n", slots_str ? "maxmem" : "slots");
3365 exit(EXIT_FAILURE);
3366 }
3367 break;
3368 }
3369 #ifdef CONFIG_TPM
3370 case QEMU_OPTION_tpmdev:
3371 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3372 exit(1);
3373 }
3374 break;
3375 #endif
3376 case QEMU_OPTION_mempath:
3377 mem_path = optarg;
3378 break;
3379 case QEMU_OPTION_mem_prealloc:
3380 mem_prealloc = 1;
3381 break;
3382 case QEMU_OPTION_d:
3383 log_mask = optarg;
3384 break;
3385 case QEMU_OPTION_D:
3386 log_file = optarg;
3387 break;
3388 case QEMU_OPTION_s:
3389 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3390 break;
3391 case QEMU_OPTION_gdb:
3392 add_device_config(DEV_GDB, optarg);
3393 break;
3394 case QEMU_OPTION_L:
3395 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3396 data_dir[data_dir_idx++] = optarg;
3397 }
3398 break;
3399 case QEMU_OPTION_bios:
3400 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg);
3401 break;
3402 case QEMU_OPTION_singlestep:
3403 singlestep = 1;
3404 break;
3405 case QEMU_OPTION_S:
3406 autostart = 0;
3407 break;
3408 case QEMU_OPTION_k:
3409 keyboard_layout = optarg;
3410 break;
3411 case QEMU_OPTION_localtime:
3412 rtc_utc = 0;
3413 break;
3414 case QEMU_OPTION_vga:
3415 vga_model = optarg;
3416 default_vga = 0;
3417 break;
3418 case QEMU_OPTION_g:
3419 {
3420 const char *p;
3421 int w, h, depth;
3422 p = optarg;
3423 w = strtol(p, (char **)&p, 10);
3424 if (w <= 0) {
3425 graphic_error:
3426 fprintf(stderr, "qemu: invalid resolution or depth\n");
3427 exit(1);
3428 }
3429 if (*p != 'x')
3430 goto graphic_error;
3431 p++;
3432 h = strtol(p, (char **)&p, 10);
3433 if (h <= 0)
3434 goto graphic_error;
3435 if (*p == 'x') {
3436 p++;
3437 depth = strtol(p, (char **)&p, 10);
3438 if (depth != 8 && depth != 15 && depth != 16 &&
3439 depth != 24 && depth != 32)
3440 goto graphic_error;
3441 } else if (*p == '\0') {
3442 depth = graphic_depth;
3443 } else {
3444 goto graphic_error;
3445 }
3446
3447 graphic_width = w;
3448 graphic_height = h;
3449 graphic_depth = depth;
3450 }
3451 break;
3452 case QEMU_OPTION_echr:
3453 {
3454 char *r;
3455 term_escape_char = strtol(optarg, &r, 0);
3456 if (r == optarg)
3457 printf("Bad argument to echr\n");
3458 break;
3459 }
3460 case QEMU_OPTION_monitor:
3461 default_monitor = 0;
3462 if (strncmp(optarg, "none", 4)) {
3463 monitor_parse(optarg, "readline");
3464 }
3465 break;
3466 case QEMU_OPTION_qmp:
3467 monitor_parse(optarg, "control");
3468 default_monitor = 0;
3469 break;
3470 case QEMU_OPTION_mon:
3471 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3472 if (!opts) {
3473 exit(1);
3474 }
3475 default_monitor = 0;
3476 break;
3477 case QEMU_OPTION_chardev:
3478 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3479 if (!opts) {
3480 exit(1);
3481 }
3482 break;
3483 case QEMU_OPTION_fsdev:
3484 olist = qemu_find_opts("fsdev");
3485 if (!olist) {
3486 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3487 exit(1);
3488 }
3489 opts = qemu_opts_parse(olist, optarg, 1);
3490 if (!opts) {
3491 exit(1);
3492 }
3493 break;
3494 case QEMU_OPTION_virtfs: {
3495 QemuOpts *fsdev;
3496 QemuOpts *device;
3497 const char *writeout, *sock_fd, *socket;
3498
3499 olist = qemu_find_opts("virtfs");
3500 if (!olist) {
3501 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3502 exit(1);
3503 }
3504 opts = qemu_opts_parse(olist, optarg, 1);
3505 if (!opts) {
3506 exit(1);
3507 }
3508
3509 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3510 qemu_opt_get(opts, "mount_tag") == NULL) {
3511 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3512 exit(1);
3513 }
3514 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3515 qemu_opt_get(opts, "mount_tag"),
3516 1, NULL);
3517 if (!fsdev) {
3518 fprintf(stderr, "duplicate fsdev id: %s\n",
3519 qemu_opt_get(opts, "mount_tag"));
3520 exit(1);
3521 }
3522
3523 writeout = qemu_opt_get(opts, "writeout");
3524 if (writeout) {
3525 #ifdef CONFIG_SYNC_FILE_RANGE
3526 qemu_opt_set(fsdev, "writeout", writeout);
3527 #else
3528 fprintf(stderr, "writeout=immediate not supported on "
3529 "this platform\n");
3530 exit(1);
3531 #endif
3532 }
3533 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3534 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3535 qemu_opt_set(fsdev, "security_model",
3536 qemu_opt_get(opts, "security_model"));
3537 socket = qemu_opt_get(opts, "socket");
3538 if (socket) {
3539 qemu_opt_set(fsdev, "socket", socket);
3540 }
3541 sock_fd = qemu_opt_get(opts, "sock_fd");
3542 if (sock_fd) {
3543 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3544 }
3545
3546 qemu_opt_set_bool(fsdev, "readonly",
3547 qemu_opt_get_bool(opts, "readonly", 0));
3548 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3549 &error_abort);
3550 qemu_opt_set(device, "driver", "virtio-9p-pci");
3551 qemu_opt_set(device, "fsdev",
3552 qemu_opt_get(opts, "mount_tag"));
3553 qemu_opt_set(device, "mount_tag",
3554 qemu_opt_get(opts, "mount_tag"));
3555 break;
3556 }
3557 case QEMU_OPTION_virtfs_synth: {
3558 QemuOpts *fsdev;
3559 QemuOpts *device;
3560
3561 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3562 1, NULL);
3563 if (!fsdev) {
3564 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3565 exit(1);
3566 }
3567 qemu_opt_set(fsdev, "fsdriver", "synth");
3568
3569 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3570 &error_abort);
3571 qemu_opt_set(device, "driver", "virtio-9p-pci");
3572 qemu_opt_set(device, "fsdev", "v_synth");
3573 qemu_opt_set(device, "mount_tag", "v_synth");
3574 break;
3575 }
3576 case QEMU_OPTION_serial:
3577 add_device_config(DEV_SERIAL, optarg);
3578 default_serial = 0;
3579 if (strncmp(optarg, "mon:", 4) == 0) {
3580 default_monitor = 0;
3581 }
3582 break;
3583 case QEMU_OPTION_watchdog:
3584 if (watchdog) {
3585 fprintf(stderr,
3586 "qemu: only one watchdog option may be given\n");
3587 return 1;
3588 }
3589 watchdog = optarg;
3590 break;
3591 case QEMU_OPTION_watchdog_action:
3592 if (select_watchdog_action(optarg) == -1) {
3593 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3594 exit(1);
3595 }
3596 break;
3597 case QEMU_OPTION_virtiocon:
3598 add_device_config(DEV_VIRTCON, optarg);
3599 default_virtcon = 0;
3600 if (strncmp(optarg, "mon:", 4) == 0) {
3601 default_monitor = 0;
3602 }
3603 break;
3604 case QEMU_OPTION_parallel:
3605 add_device_config(DEV_PARALLEL, optarg);
3606 default_parallel = 0;
3607 if (strncmp(optarg, "mon:", 4) == 0) {
3608 default_monitor = 0;
3609 }
3610 break;
3611 case QEMU_OPTION_debugcon:
3612 add_device_config(DEV_DEBUGCON, optarg);
3613 break;
3614 case QEMU_OPTION_loadvm:
3615 loadvm = optarg;
3616 break;
3617 case QEMU_OPTION_full_screen:
3618 full_screen = 1;
3619 break;
3620 case QEMU_OPTION_no_frame:
3621 no_frame = 1;
3622 break;
3623 case QEMU_OPTION_alt_grab:
3624 alt_grab = 1;
3625 break;
3626 case QEMU_OPTION_ctrl_grab:
3627 ctrl_grab = 1;
3628 break;
3629 case QEMU_OPTION_no_quit:
3630 no_quit = 1;
3631 break;
3632 case QEMU_OPTION_sdl:
3633 #ifdef CONFIG_SDL
3634 display_type = DT_SDL;
3635 break;
3636 #else
3637 fprintf(stderr, "SDL support is disabled\n");
3638 exit(1);
3639 #endif
3640 case QEMU_OPTION_pidfile:
3641 pid_file = optarg;
3642 break;
3643 case QEMU_OPTION_win2k_hack:
3644 win2k_install_hack = 1;
3645 break;
3646 case QEMU_OPTION_rtc_td_hack: {
3647 static GlobalProperty slew_lost_ticks[] = {
3648 {
3649 .driver = "mc146818rtc",
3650 .property = "lost_tick_policy",
3651 .value = "slew",
3652 },
3653 { /* end of list */ }
3654 };
3655
3656 qdev_prop_register_global_list(slew_lost_ticks);
3657 break;
3658 }
3659 case QEMU_OPTION_acpitable:
3660 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3661 if (!opts) {
3662 exit(1);
3663 }
3664 do_acpitable_option(opts);
3665 break;
3666 case QEMU_OPTION_smbios:
3667 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3668 if (!opts) {
3669 exit(1);
3670 }
3671 do_smbios_option(opts);
3672 break;
3673 case QEMU_OPTION_enable_kvm:
3674 olist = qemu_find_opts("machine");
3675 qemu_opts_parse(olist, "accel=kvm", 0);
3676 break;
3677 case QEMU_OPTION_machine:
3678 olist = qemu_find_opts("machine");
3679 opts = qemu_opts_parse(olist, optarg, 1);
3680 if (!opts) {
3681 exit(1);
3682 }
3683 optarg = qemu_opt_get(opts, "type");
3684 if (optarg) {
3685 machine_class = machine_parse(optarg);
3686 }
3687 break;
3688 case QEMU_OPTION_no_kvm:
3689 olist = qemu_find_opts("machine");
3690 qemu_opts_parse(olist, "accel=tcg", 0);
3691 break;
3692 case QEMU_OPTION_no_kvm_pit: {
3693 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3694 "separately.\n");
3695 break;
3696 }
3697 case QEMU_OPTION_no_kvm_pit_reinjection: {
3698 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3699 {
3700 .driver = "kvm-pit",
3701 .property = "lost_tick_policy",
3702 .value = "discard",
3703 },
3704 { /* end of list */ }
3705 };
3706
3707 fprintf(stderr, "Warning: option deprecated, use "
3708 "lost_tick_policy property of kvm-pit instead.\n");
3709 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3710 break;
3711 }
3712 case QEMU_OPTION_usb:
3713 olist = qemu_find_opts("machine");
3714 qemu_opts_parse(olist, "usb=on", 0);
3715 break;
3716 case QEMU_OPTION_usbdevice:
3717 olist = qemu_find_opts("machine");
3718 qemu_opts_parse(olist, "usb=on", 0);
3719 add_device_config(DEV_USB, optarg);
3720 break;
3721 case QEMU_OPTION_device:
3722 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3723 exit(1);
3724 }
3725 break;
3726 case QEMU_OPTION_smp:
3727 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3728 exit(1);
3729 }
3730 break;
3731 case QEMU_OPTION_vnc:
3732 #ifdef CONFIG_VNC
3733 display_remote++;
3734 vnc_display = optarg;
3735 #else
3736 fprintf(stderr, "VNC support is disabled\n");
3737 exit(1);
3738 #endif
3739 break;
3740 case QEMU_OPTION_no_acpi:
3741 acpi_enabled = 0;
3742 break;
3743 case QEMU_OPTION_no_hpet:
3744 no_hpet = 1;
3745 break;
3746 case QEMU_OPTION_balloon:
3747 if (balloon_parse(optarg) < 0) {
3748 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3749 exit(1);
3750 }
3751 break;
3752 case QEMU_OPTION_no_reboot:
3753 no_reboot = 1;
3754 break;
3755 case QEMU_OPTION_no_shutdown:
3756 no_shutdown = 1;
3757 break;
3758 case QEMU_OPTION_show_cursor:
3759 cursor_hide = 0;
3760 break;
3761 case QEMU_OPTION_uuid:
3762 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3763 fprintf(stderr, "Fail to parse UUID string."
3764 " Wrong format.\n");
3765 exit(1);
3766 }
3767 qemu_uuid_set = true;
3768 break;
3769 case QEMU_OPTION_option_rom:
3770 if (nb_option_roms >= MAX_OPTION_ROMS) {
3771 fprintf(stderr, "Too many option ROMs\n");
3772 exit(1);
3773 }
3774 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3775 if (!opts) {
3776 exit(1);
3777 }
3778 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3779 option_rom[nb_option_roms].bootindex =
3780 qemu_opt_get_number(opts, "bootindex", -1);
3781 if (!option_rom[nb_option_roms].name) {
3782 fprintf(stderr, "Option ROM file is not specified\n");
3783 exit(1);
3784 }
3785 nb_option_roms++;
3786 break;
3787 case QEMU_OPTION_semihosting:
3788 semihosting_enabled = 1;
3789 break;
3790 case QEMU_OPTION_tdf:
3791 fprintf(stderr, "Warning: user space PIT time drift fix "
3792 "is no longer supported.\n");
3793 break;
3794 case QEMU_OPTION_name:
3795 opts = qemu_opts_parse(qemu_find_opts("name"), optarg, 1);
3796 if (!opts) {
3797 exit(1);
3798 }
3799 break;
3800 case QEMU_OPTION_prom_env:
3801 if (nb_prom_envs >= MAX_PROM_ENVS) {
3802 fprintf(stderr, "Too many prom variables\n");
3803 exit(1);
3804 }
3805 prom_envs[nb_prom_envs] = optarg;
3806 nb_prom_envs++;
3807 break;
3808 case QEMU_OPTION_old_param:
3809 old_param = 1;
3810 break;
3811 case QEMU_OPTION_clock:
3812 /* Clock options no longer exist. Keep this option for
3813 * backward compatibility.
3814 */
3815 break;
3816 case QEMU_OPTION_startdate:
3817 configure_rtc_date_offset(optarg, 1);
3818 break;
3819 case QEMU_OPTION_rtc:
3820 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3821 if (!opts) {
3822 exit(1);
3823 }
3824 configure_rtc(opts);
3825 break;
3826 case QEMU_OPTION_tb_size:
3827 tcg_tb_size = strtol(optarg, NULL, 0);
3828 if (tcg_tb_size < 0) {
3829 tcg_tb_size = 0;
3830 }
3831 break;
3832 case QEMU_OPTION_icount:
3833 icount_option = optarg;
3834 break;
3835 case QEMU_OPTION_incoming:
3836 incoming = optarg;
3837 runstate_set(RUN_STATE_INMIGRATE);
3838 break;
3839 case QEMU_OPTION_nodefaults:
3840 has_defaults = 0;
3841 break;
3842 case QEMU_OPTION_xen_domid:
3843 if (!(xen_available())) {
3844 printf("Option %s not supported for this target\n", popt->name);
3845 exit(1);
3846 }
3847 xen_domid = atoi(optarg);
3848 break;
3849 case QEMU_OPTION_xen_create:
3850 if (!(xen_available())) {
3851 printf("Option %s not supported for this target\n", popt->name);
3852 exit(1);
3853 }
3854 xen_mode = XEN_CREATE;
3855 break;
3856 case QEMU_OPTION_xen_attach:
3857 if (!(xen_available())) {
3858 printf("Option %s not supported for this target\n", popt->name);
3859 exit(1);
3860 }
3861 xen_mode = XEN_ATTACH;
3862 break;
3863 case QEMU_OPTION_trace:
3864 {
3865 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3866 if (!opts) {
3867 exit(1);
3868 }
3869 trace_events = qemu_opt_get(opts, "events");
3870 trace_file = qemu_opt_get(opts, "file");
3871 break;
3872 }
3873 case QEMU_OPTION_readconfig:
3874 {
3875 int ret = qemu_read_config_file(optarg);
3876 if (ret < 0) {
3877 fprintf(stderr, "read config %s: %s\n", optarg,
3878 strerror(-ret));
3879 exit(1);
3880 }
3881 break;
3882 }
3883 case QEMU_OPTION_spice:
3884 olist = qemu_find_opts("spice");
3885 if (!olist) {
3886 fprintf(stderr, "spice is not supported by this qemu build.\n");
3887 exit(1);
3888 }
3889 opts = qemu_opts_parse(olist, optarg, 0);
3890 if (!opts) {
3891 exit(1);
3892 }
3893 display_remote++;
3894 break;
3895 case QEMU_OPTION_writeconfig:
3896 {
3897 FILE *fp;
3898 if (strcmp(optarg, "-") == 0) {
3899 fp = stdout;
3900 } else {
3901 fp = fopen(optarg, "w");
3902 if (fp == NULL) {
3903 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3904 exit(1);
3905 }
3906 }
3907 qemu_config_write(fp);
3908 if (fp != stdout) {
3909 fclose(fp);
3910 }
3911 break;
3912 }
3913 case QEMU_OPTION_qtest:
3914 qtest_chrdev = optarg;
3915 break;
3916 case QEMU_OPTION_qtest_log:
3917 qtest_log = optarg;
3918 break;
3919 case QEMU_OPTION_sandbox:
3920 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3921 if (!opts) {
3922 exit(1);
3923 }
3924 break;
3925 case QEMU_OPTION_add_fd:
3926 #ifndef _WIN32
3927 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3928 if (!opts) {
3929 exit(1);
3930 }
3931 #else
3932 error_report("File descriptor passing is disabled on this "
3933 "platform");
3934 exit(1);
3935 #endif
3936 break;
3937 case QEMU_OPTION_object:
3938 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3939 if (!opts) {
3940 exit(1);
3941 }
3942 break;
3943 case QEMU_OPTION_realtime:
3944 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3945 if (!opts) {
3946 exit(1);
3947 }
3948 configure_realtime(opts);
3949 break;
3950 case QEMU_OPTION_msg:
3951 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3952 if (!opts) {
3953 exit(1);
3954 }
3955 configure_msg(opts);
3956 break;
3957 case QEMU_OPTION_dump_vmstate:
3958 vmstate_dump_file = fopen(optarg, "w");
3959 if (vmstate_dump_file == NULL) {
3960 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3961 exit(1);
3962 }
3963 break;
3964 default:
3965 os_parse_cmd_args(popt->index, optarg);
3966 }
3967 }
3968 }
3969 loc_set_none();
3970
3971 os_daemonize();
3972
3973 if (qemu_init_main_loop()) {
3974 fprintf(stderr, "qemu_init_main_loop failed\n");
3975 exit(1);
3976 }
3977
3978 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3979 exit(1);
3980 }
3981
3982 if (qemu_opts_foreach(qemu_find_opts("name"), parse_name, NULL, 1)) {
3983 exit(1);
3984 }
3985
3986 #ifndef _WIN32
3987 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3988 exit(1);
3989 }
3990
3991 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3992 exit(1);
3993 }
3994 #endif
3995
3996 if (machine_class == NULL) {
3997 fprintf(stderr, "No machine specified, and there is no default.\n"
3998 "Use -machine help to list supported machines!\n");
3999 exit(1);
4000 }
4001
4002 current_machine = MACHINE(object_new(object_class_get_name(
4003 OBJECT_CLASS(machine_class))));
4004 object_property_add_child(object_get_root(), "machine",
4005 OBJECT(current_machine), &error_abort);
4006 cpu_exec_init_all();
4007
4008 if (machine_class->hw_version) {
4009 qemu_set_version(machine_class->hw_version);
4010 }
4011
4012 if (qemu_opts_foreach(qemu_find_opts("object"),
4013 object_create, NULL, 0) != 0) {
4014 exit(1);
4015 }
4016
4017 /* Init CPU def lists, based on config
4018 * - Must be called after all the qemu_read_config_file() calls
4019 * - Must be called before list_cpus()
4020 * - Must be called before machine->init()
4021 */
4022 cpudef_init();
4023
4024 if (cpu_model && is_help_option(cpu_model)) {
4025 list_cpus(stdout, &fprintf, cpu_model);
4026 exit(0);
4027 }
4028
4029 /* Open the logfile at this point, if necessary. We can't open the logfile
4030 * when encountering either of the logging options (-d or -D) because the
4031 * other one may be encountered later on the command line, changing the
4032 * location or level of logging.
4033 */
4034 if (log_mask) {
4035 int mask;
4036 if (log_file) {
4037 qemu_set_log_filename(log_file);
4038 }
4039
4040 mask = qemu_str_to_log_mask(log_mask);
4041 if (!mask) {
4042 qemu_print_log_usage(stdout);
4043 exit(1);
4044 }
4045 qemu_set_log(mask);
4046 }
4047
4048 if (!is_daemonized()) {
4049 if (!trace_init_backends(trace_events, trace_file)) {
4050 exit(1);
4051 }
4052 }
4053
4054 /* If no data_dir is specified then try to find it relative to the
4055 executable path. */
4056 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4057 data_dir[data_dir_idx] = os_find_datadir();
4058 if (data_dir[data_dir_idx] != NULL) {
4059 data_dir_idx++;
4060 }
4061 }
4062 /* If all else fails use the install path specified when building. */
4063 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4064 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4065 }
4066
4067 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4068
4069 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4070 if (smp_cpus > machine_class->max_cpus) {
4071 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
4072 "supported by machine `%s' (%d)\n", smp_cpus,
4073 machine_class->name, machine_class->max_cpus);
4074 exit(1);
4075 }
4076
4077 /*
4078 * Get the default machine options from the machine if it is not already
4079 * specified either by the configuration file or by the command line.
4080 */
4081 if (machine_class->default_machine_opts) {
4082 qemu_opts_set_defaults(qemu_find_opts("machine"),
4083 machine_class->default_machine_opts, 0);
4084 }
4085
4086 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
4087 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
4088
4089 if (!vga_model && !default_vga) {
4090 vga_interface_type = VGA_DEVICE;
4091 }
4092 if (!has_defaults || machine_class->no_serial) {
4093 default_serial = 0;
4094 }
4095 if (!has_defaults || machine_class->no_parallel) {
4096 default_parallel = 0;
4097 }
4098 if (!has_defaults || !machine_class->use_virtcon) {
4099 default_virtcon = 0;
4100 }
4101 if (!has_defaults || !machine_class->use_sclp) {
4102 default_sclp = 0;
4103 }
4104 if (!has_defaults || machine_class->no_floppy) {
4105 default_floppy = 0;
4106 }
4107 if (!has_defaults || machine_class->no_cdrom) {
4108 default_cdrom = 0;
4109 }
4110 if (!has_defaults || machine_class->no_sdcard) {
4111 default_sdcard = 0;
4112 }
4113 if (!has_defaults) {
4114 default_monitor = 0;
4115 default_net = 0;
4116 default_vga = 0;
4117 }
4118
4119 if (is_daemonized()) {
4120 /* According to documentation and historically, -nographic redirects
4121 * serial port, parallel port and monitor to stdio, which does not work
4122 * with -daemonize. We can redirect these to null instead, but since
4123 * -nographic is legacy, let's just error out.
4124 * We disallow -nographic only if all other ports are not redirected
4125 * explicitly, to not break existing legacy setups which uses
4126 * -nographic _and_ redirects all ports explicitly - this is valid
4127 * usage, -nographic is just a no-op in this case.
4128 */
4129 if (display_type == DT_NOGRAPHIC
4130 && (default_parallel || default_serial
4131 || default_monitor || default_virtcon)) {
4132 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4133 exit(1);
4134 }
4135 #ifdef CONFIG_CURSES
4136 if (display_type == DT_CURSES) {
4137 fprintf(stderr, "curses display can not be used with -daemonize\n");
4138 exit(1);
4139 }
4140 #endif
4141 }
4142
4143 if (display_type == DT_NOGRAPHIC) {
4144 if (default_parallel)
4145 add_device_config(DEV_PARALLEL, "null");
4146 if (default_serial && default_monitor) {
4147 add_device_config(DEV_SERIAL, "mon:stdio");
4148 } else if (default_virtcon && default_monitor) {
4149 add_device_config(DEV_VIRTCON, "mon:stdio");
4150 } else if (default_sclp && default_monitor) {
4151 add_device_config(DEV_SCLP, "mon:stdio");
4152 } else {
4153 if (default_serial)
4154 add_device_config(DEV_SERIAL, "stdio");
4155 if (default_virtcon)
4156 add_device_config(DEV_VIRTCON, "stdio");
4157 if (default_sclp) {
4158 add_device_config(DEV_SCLP, "stdio");
4159 }
4160 if (default_monitor)
4161 monitor_parse("stdio", "readline");
4162 }
4163 } else {
4164 if (default_serial)
4165 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4166 if (default_parallel)
4167 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4168 if (default_monitor)
4169 monitor_parse("vc:80Cx24C", "readline");
4170 if (default_virtcon)
4171 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4172 if (default_sclp) {
4173 add_device_config(DEV_SCLP, "vc:80Cx24C");
4174 }
4175 }
4176
4177 if (display_type == DT_DEFAULT && !display_remote) {
4178 #if defined(CONFIG_GTK)
4179 display_type = DT_GTK;
4180 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4181 display_type = DT_SDL;
4182 #elif defined(CONFIG_VNC)
4183 vnc_display = "localhost:0,to=99";
4184 show_vnc_port = 1;
4185 #else
4186 display_type = DT_NONE;
4187 #endif
4188 }
4189
4190 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4191 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4192 "for SDL, ignoring option\n");
4193 }
4194 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4195 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4196 "ignoring option\n");
4197 }
4198
4199 #if defined(CONFIG_GTK)
4200 if (display_type == DT_GTK) {
4201 early_gtk_display_init();
4202 }
4203 #endif
4204
4205 socket_init();
4206
4207 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4208 exit(1);
4209 #ifdef CONFIG_VIRTFS
4210 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4211 exit(1);
4212 }
4213 #endif
4214
4215 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4216 os_pidfile_error();
4217 exit(1);
4218 }
4219
4220 /* store value for the future use */
4221 qemu_opt_set_number(qemu_find_opts_singleton("memory"), "size", ram_size);
4222
4223 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4224 != 0) {
4225 exit(0);
4226 }
4227
4228 machine_opts = qemu_get_machine_opts();
4229 if (qemu_opt_foreach(machine_opts, object_set_property, current_machine,
4230 1) < 0) {
4231 object_unref(OBJECT(current_machine));
4232 exit(1);
4233 }
4234
4235 configure_accelerator(machine_class);
4236
4237 if (qtest_chrdev) {
4238 Error *local_err = NULL;
4239 qtest_init(qtest_chrdev, qtest_log, &local_err);
4240 if (local_err) {
4241 error_report("%s", error_get_pretty(local_err));
4242 error_free(local_err);
4243 exit(1);
4244 }
4245 }
4246
4247 machine_opts = qemu_get_machine_opts();
4248 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4249 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4250 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4251 bios_name = qemu_opt_get(machine_opts, "firmware");
4252
4253 boot_order = machine_class->default_boot_order;
4254 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4255 if (opts) {
4256 char *normal_boot_order;
4257 const char *order, *once;
4258
4259 order = qemu_opt_get(opts, "order");
4260 if (order) {
4261 validate_bootdevices(order);
4262 boot_order = order;
4263 }
4264
4265 once = qemu_opt_get(opts, "once");
4266 if (once) {
4267 validate_bootdevices(once);
4268 normal_boot_order = g_strdup(boot_order);
4269 boot_order = once;
4270 qemu_register_reset(restore_boot_order, normal_boot_order);
4271 }
4272
4273 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4274 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4275 }
4276
4277 if (!kernel_cmdline) {
4278 kernel_cmdline = "";
4279 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4280 }
4281
4282 linux_boot = (kernel_filename != NULL);
4283
4284 if (!linux_boot && *kernel_cmdline != '\0') {
4285 fprintf(stderr, "-append only allowed with -kernel option\n");
4286 exit(1);
4287 }
4288
4289 if (!linux_boot && initrd_filename != NULL) {
4290 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4291 exit(1);
4292 }
4293
4294 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4295 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4296 exit(1);
4297 }
4298
4299 os_set_line_buffering();
4300
4301 qemu_init_cpu_loop();
4302 qemu_mutex_lock_iothread();
4303
4304 #ifdef CONFIG_SPICE
4305 /* spice needs the timers to be initialized by this point */
4306 qemu_spice_init();
4307 #endif
4308
4309 if (icount_option && (kvm_enabled() || xen_enabled())) {
4310 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4311 exit(1);
4312 }
4313 configure_icount(icount_option);
4314
4315 /* clean up network at qemu process termination */
4316 atexit(&net_cleanup);
4317
4318 if (net_init_clients() < 0) {
4319 exit(1);
4320 }
4321
4322 #ifdef CONFIG_TPM
4323 if (tpm_init() < 0) {
4324 exit(1);
4325 }
4326 #endif
4327
4328 /* init the bluetooth world */
4329 if (foreach_device_config(DEV_BT, bt_parse))
4330 exit(1);
4331
4332 if (!xen_enabled()) {
4333 /* On 32-bit hosts, QEMU is limited by virtual address space */
4334 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4335 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4336 exit(1);
4337 }
4338 }
4339
4340 blk_mig_init();
4341 ram_mig_init();
4342
4343 /* open the virtual block devices */
4344 if (snapshot)
4345 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4346 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4347 &machine_class->block_default_type, 1) != 0) {
4348 exit(1);
4349 }
4350
4351 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4352 CDROM_OPTS);
4353 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4354 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4355
4356 if (qemu_opts_foreach(qemu_find_opts("numa"), numa_init_func,
4357 NULL, 1) != 0) {
4358 exit(1);
4359 }
4360
4361 set_numa_nodes();
4362
4363 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4364 exit(1);
4365 }
4366
4367 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4368 exit(1);
4369 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4370 exit(1);
4371 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4372 exit(1);
4373 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4374 exit(1);
4375 }
4376 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4377 exit(1);
4378
4379 /* If no default VGA is requested, the default is "none". */
4380 if (default_vga) {
4381 if (cirrus_vga_available()) {
4382 vga_model = "cirrus";
4383 } else if (vga_available()) {
4384 vga_model = "std";
4385 }
4386 }
4387 if (vga_model) {
4388 select_vgahw(vga_model);
4389 }
4390
4391 if (watchdog) {
4392 i = select_watchdog(watchdog);
4393 if (i > 0)
4394 exit (i == 1 ? 1 : 0);
4395 }
4396
4397 if (machine_class->compat_props) {
4398 qdev_prop_register_global_list(machine_class->compat_props);
4399 }
4400 qemu_add_globals();
4401
4402 qdev_machine_init();
4403
4404 current_machine->ram_size = ram_size;
4405 current_machine->maxram_size = maxram_size;
4406 current_machine->ram_slots = ram_slots;
4407 current_machine->boot_order = boot_order;
4408 current_machine->cpu_model = cpu_model;
4409
4410 machine_class->init(current_machine);
4411
4412 audio_init();
4413
4414 cpu_synchronize_all_post_init();
4415
4416 set_numa_modes();
4417
4418 /* init USB devices */
4419 if (usb_enabled(false)) {
4420 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4421 exit(1);
4422 }
4423
4424 /* init generic devices */
4425 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4426 exit(1);
4427
4428 net_check_clients();
4429
4430 ds = init_displaystate();
4431
4432 /* init local displays */
4433 switch (display_type) {
4434 case DT_NOGRAPHIC:
4435 (void)ds; /* avoid warning if no display is configured */
4436 break;
4437 #if defined(CONFIG_CURSES)
4438 case DT_CURSES:
4439 curses_display_init(ds, full_screen);
4440 break;
4441 #endif
4442 #if defined(CONFIG_SDL)
4443 case DT_SDL:
4444 sdl_display_init(ds, full_screen, no_frame);
4445 break;
4446 #elif defined(CONFIG_COCOA)
4447 case DT_SDL:
4448 cocoa_display_init(ds, full_screen);
4449 break;
4450 #endif
4451 #if defined(CONFIG_GTK)
4452 case DT_GTK:
4453 gtk_display_init(ds, full_screen, grab_on_hover);
4454 break;
4455 #endif
4456 default:
4457 break;
4458 }
4459
4460 /* must be after terminal init, SDL library changes signal handlers */
4461 os_setup_signal_handling();
4462
4463 #ifdef CONFIG_VNC
4464 /* init remote displays */
4465 if (vnc_display) {
4466 Error *local_err = NULL;
4467 vnc_display_init(ds);
4468 vnc_display_open(ds, vnc_display, &local_err);
4469 if (local_err != NULL) {
4470 error_report("Failed to start VNC server on `%s': %s",
4471 vnc_display, error_get_pretty(local_err));
4472 error_free(local_err);
4473 exit(1);
4474 }
4475
4476 if (show_vnc_port) {
4477 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4478 }
4479 }
4480 #endif
4481 #ifdef CONFIG_SPICE
4482 if (using_spice) {
4483 qemu_spice_display_init();
4484 }
4485 #endif
4486
4487 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4488 exit(1);
4489 }
4490
4491 qdev_machine_creation_done();
4492
4493 if (rom_load_all() != 0) {
4494 fprintf(stderr, "rom loading failed\n");
4495 exit(1);
4496 }
4497
4498 /* TODO: once all bus devices are qdevified, this should be done
4499 * when bus is created by qdev.c */
4500 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4501 qemu_run_machine_init_done_notifiers();
4502
4503 /* Done notifiers can load ROMs */
4504 rom_load_done();
4505
4506 qemu_system_reset(VMRESET_SILENT);
4507 if (loadvm) {
4508 if (load_vmstate(loadvm) < 0) {
4509 autostart = 0;
4510 }
4511 }
4512
4513 qdev_prop_check_global();
4514 if (vmstate_dump_file) {
4515 /* dump and exit */
4516 dump_vmstate_json_to_file(vmstate_dump_file);
4517 return 0;
4518 }
4519
4520 if (incoming) {
4521 Error *local_err = NULL;
4522 qemu_start_incoming_migration(incoming, &local_err);
4523 if (local_err) {
4524 error_report("-incoming %s: %s", incoming,
4525 error_get_pretty(local_err));
4526 error_free(local_err);
4527 exit(1);
4528 }
4529 } else if (autostart) {
4530 vm_start();
4531 }
4532
4533 os_setup_post();
4534
4535 if (is_daemonized()) {
4536 if (!trace_init_backends(trace_events, trace_file)) {
4537 exit(1);
4538 }
4539 }
4540
4541 main_loop();
4542 bdrv_close_all();
4543 pause_all_vcpus();
4544 res_free();
4545 #ifdef CONFIG_TPM
4546 tpm_cleanup();
4547 #endif
4548
4549 return 0;
4550 }
AR7 emulation for QEMU