?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
icount: Add QemuOpts for icount
[qemu/rayw.git] / vl.c
blobf2621a50dbf6eee562fdec3d89956babc194727e
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 static QemuOptsList qemu_icount_opts = {
541 .name = "icount",
542 .implied_opt_name = "shift",
543 .merge_lists = true,
544 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
545 .desc = {
546 {
547 .name = "shift",
548 .type = QEMU_OPT_STRING,
549 },
550 { /* end of list */ }
551 },
552 };
553
554 /**
555 * Get machine options
556 *
557 * Returns: machine options (never null).
558 */
559 QemuOpts *qemu_get_machine_opts(void)
560 {
561 return qemu_find_opts_singleton("machine");
562 }
563
564 const char *qemu_get_vm_name(void)
565 {
566 return qemu_name;
567 }
568
569 static void res_free(void)
570 {
571 if (boot_splash_filedata != NULL) {
572 g_free(boot_splash_filedata);
573 boot_splash_filedata = NULL;
574 }
575 }
576
577 static int default_driver_check(QemuOpts *opts, void *opaque)
578 {
579 const char *driver = qemu_opt_get(opts, "driver");
580 int i;
581
582 if (!driver)
583 return 0;
584 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
585 if (strcmp(default_list[i].driver, driver) != 0)
586 continue;
587 *(default_list[i].flag) = 0;
588 }
589 return 0;
590 }
591
592 /***********************************************************/
593 /* QEMU state */
594
595 static RunState current_run_state = RUN_STATE_PRELAUNCH;
596
597 /* We use RUN_STATE_MAX but any invalid value will do */
598 static RunState vmstop_requested = RUN_STATE_MAX;
599 static QemuMutex vmstop_lock;
600
601 typedef struct {
602 RunState from;
603 RunState to;
604 } RunStateTransition;
605
606 static const RunStateTransition runstate_transitions_def[] = {
607 /* from -> to */
608 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
609 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
610
611 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
612 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
613
614 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
615 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
616
617 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
618 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
619
620 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
621 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
622
623 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
624 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
625
626 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
627 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
628 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
629
630 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
631 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
632
633 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
634
635 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
636 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
637 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
638 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
639 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
640 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
641 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
642 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
643 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
644 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
645
646 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
647
648 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
649 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
650
651 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
652 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
653 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
654 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
655
656 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
657 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
658
659 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
660 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
661
662 { RUN_STATE_MAX, RUN_STATE_MAX },
663 };
664
665 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
666
667 bool runstate_check(RunState state)
668 {
669 return current_run_state == state;
670 }
671
672 static void runstate_init(void)
673 {
674 const RunStateTransition *p;
675
676 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
677 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
678 runstate_valid_transitions[p->from][p->to] = true;
679 }
680
681 qemu_mutex_init(&vmstop_lock);
682 }
683
684 /* This function will abort() on invalid state transitions */
685 void runstate_set(RunState new_state)
686 {
687 assert(new_state < RUN_STATE_MAX);
688
689 if (!runstate_valid_transitions[current_run_state][new_state]) {
690 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
691 RunState_lookup[current_run_state],
692 RunState_lookup[new_state]);
693 abort();
694 }
695 trace_runstate_set(new_state);
696 current_run_state = new_state;
697 }
698
699 int runstate_is_running(void)
700 {
701 return runstate_check(RUN_STATE_RUNNING);
702 }
703
704 bool runstate_needs_reset(void)
705 {
706 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
707 runstate_check(RUN_STATE_SHUTDOWN);
708 }
709
710 StatusInfo *qmp_query_status(Error **errp)
711 {
712 StatusInfo *info = g_malloc0(sizeof(*info));
713
714 info->running = runstate_is_running();
715 info->singlestep = singlestep;
716 info->status = current_run_state;
717
718 return info;
719 }
720
721 static bool qemu_vmstop_requested(RunState *r)
722 {
723 qemu_mutex_lock(&vmstop_lock);
724 *r = vmstop_requested;
725 vmstop_requested = RUN_STATE_MAX;
726 qemu_mutex_unlock(&vmstop_lock);
727 return *r < RUN_STATE_MAX;
728 }
729
730 void qemu_system_vmstop_request_prepare(void)
731 {
732 qemu_mutex_lock(&vmstop_lock);
733 }
734
735 void qemu_system_vmstop_request(RunState state)
736 {
737 vmstop_requested = state;
738 qemu_mutex_unlock(&vmstop_lock);
739 qemu_notify_event();
740 }
741
742 void vm_start(void)
743 {
744 RunState requested;
745
746 qemu_vmstop_requested(&requested);
747 if (runstate_is_running() && requested == RUN_STATE_MAX) {
748 return;
749 }
750
751 /* Ensure that a STOP/RESUME pair of events is emitted if a
752 * vmstop request was pending. The BLOCK_IO_ERROR event, for
753 * example, according to documentation is always followed by
754 * the STOP event.
755 */
756 if (runstate_is_running()) {
757 qapi_event_send_stop(&error_abort);
758 } else {
759 cpu_enable_ticks();
760 runstate_set(RUN_STATE_RUNNING);
761 vm_state_notify(1, RUN_STATE_RUNNING);
762 resume_all_vcpus();
763 }
764
765 qapi_event_send_resume(&error_abort);
766 }
767
768
769 /***********************************************************/
770 /* real time host monotonic timer */
771
772 /***********************************************************/
773 /* host time/date access */
774 void qemu_get_timedate(struct tm *tm, int offset)
775 {
776 time_t ti;
777
778 time(&ti);
779 ti += offset;
780 if (rtc_date_offset == -1) {
781 if (rtc_utc)
782 gmtime_r(&ti, tm);
783 else
784 localtime_r(&ti, tm);
785 } else {
786 ti -= rtc_date_offset;
787 gmtime_r(&ti, tm);
788 }
789 }
790
791 int qemu_timedate_diff(struct tm *tm)
792 {
793 time_t seconds;
794
795 if (rtc_date_offset == -1)
796 if (rtc_utc)
797 seconds = mktimegm(tm);
798 else {
799 struct tm tmp = *tm;
800 tmp.tm_isdst = -1; /* use timezone to figure it out */
801 seconds = mktime(&tmp);
802 }
803 else
804 seconds = mktimegm(tm) + rtc_date_offset;
805
806 return seconds - time(NULL);
807 }
808
809 static void configure_rtc_date_offset(const char *startdate, int legacy)
810 {
811 time_t rtc_start_date;
812 struct tm tm;
813
814 if (!strcmp(startdate, "now") && legacy) {
815 rtc_date_offset = -1;
816 } else {
817 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
818 &tm.tm_year,
819 &tm.tm_mon,
820 &tm.tm_mday,
821 &tm.tm_hour,
822 &tm.tm_min,
823 &tm.tm_sec) == 6) {
824 /* OK */
825 } else if (sscanf(startdate, "%d-%d-%d",
826 &tm.tm_year,
827 &tm.tm_mon,
828 &tm.tm_mday) == 3) {
829 tm.tm_hour = 0;
830 tm.tm_min = 0;
831 tm.tm_sec = 0;
832 } else {
833 goto date_fail;
834 }
835 tm.tm_year -= 1900;
836 tm.tm_mon--;
837 rtc_start_date = mktimegm(&tm);
838 if (rtc_start_date == -1) {
839 date_fail:
840 fprintf(stderr, "Invalid date format. Valid formats are:\n"
841 "'2006-06-17T16:01:21' or '2006-06-17'\n");
842 exit(1);
843 }
844 rtc_date_offset = time(NULL) - rtc_start_date;
845 }
846 }
847
848 static void configure_rtc(QemuOpts *opts)
849 {
850 const char *value;
851
852 value = qemu_opt_get(opts, "base");
853 if (value) {
854 if (!strcmp(value, "utc")) {
855 rtc_utc = 1;
856 } else if (!strcmp(value, "localtime")) {
857 rtc_utc = 0;
858 } else {
859 configure_rtc_date_offset(value, 0);
860 }
861 }
862 value = qemu_opt_get(opts, "clock");
863 if (value) {
864 if (!strcmp(value, "host")) {
865 rtc_clock = QEMU_CLOCK_HOST;
866 } else if (!strcmp(value, "rt")) {
867 rtc_clock = QEMU_CLOCK_REALTIME;
868 } else if (!strcmp(value, "vm")) {
869 rtc_clock = QEMU_CLOCK_VIRTUAL;
870 } else {
871 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
872 exit(1);
873 }
874 }
875 value = qemu_opt_get(opts, "driftfix");
876 if (value) {
877 if (!strcmp(value, "slew")) {
878 static GlobalProperty slew_lost_ticks[] = {
879 {
880 .driver = "mc146818rtc",
881 .property = "lost_tick_policy",
882 .value = "slew",
883 },
884 { /* end of list */ }
885 };
886
887 qdev_prop_register_global_list(slew_lost_ticks);
888 } else if (!strcmp(value, "none")) {
889 /* discard is default */
890 } else {
891 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
892 exit(1);
893 }
894 }
895 }
896
897 /***********************************************************/
898 /* Bluetooth support */
899 static int nb_hcis;
900 static int cur_hci;
901 static struct HCIInfo *hci_table[MAX_NICS];
902
903 struct HCIInfo *qemu_next_hci(void)
904 {
905 if (cur_hci == nb_hcis)
906 return &null_hci;
907
908 return hci_table[cur_hci++];
909 }
910
911 static int bt_hci_parse(const char *str)
912 {
913 struct HCIInfo *hci;
914 bdaddr_t bdaddr;
915
916 if (nb_hcis >= MAX_NICS) {
917 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
918 return -1;
919 }
920
921 hci = hci_init(str);
922 if (!hci)
923 return -1;
924
925 bdaddr.b[0] = 0x52;
926 bdaddr.b[1] = 0x54;
927 bdaddr.b[2] = 0x00;
928 bdaddr.b[3] = 0x12;
929 bdaddr.b[4] = 0x34;
930 bdaddr.b[5] = 0x56 + nb_hcis;
931 hci->bdaddr_set(hci, bdaddr.b);
932
933 hci_table[nb_hcis++] = hci;
934
935 return 0;
936 }
937
938 static void bt_vhci_add(int vlan_id)
939 {
940 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
941
942 if (!vlan->slave)
943 fprintf(stderr, "qemu: warning: adding a VHCI to "
944 "an empty scatternet %i\n", vlan_id);
945
946 bt_vhci_init(bt_new_hci(vlan));
947 }
948
949 static struct bt_device_s *bt_device_add(const char *opt)
950 {
951 struct bt_scatternet_s *vlan;
952 int vlan_id = 0;
953 char *endp = strstr(opt, ",vlan=");
954 int len = (endp ? endp - opt : strlen(opt)) + 1;
955 char devname[10];
956
957 pstrcpy(devname, MIN(sizeof(devname), len), opt);
958
959 if (endp) {
960 vlan_id = strtol(endp + 6, &endp, 0);
961 if (*endp) {
962 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
963 return 0;
964 }
965 }
966
967 vlan = qemu_find_bt_vlan(vlan_id);
968
969 if (!vlan->slave)
970 fprintf(stderr, "qemu: warning: adding a slave device to "
971 "an empty scatternet %i\n", vlan_id);
972
973 if (!strcmp(devname, "keyboard"))
974 return bt_keyboard_init(vlan);
975
976 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
977 return 0;
978 }
979
980 static int bt_parse(const char *opt)
981 {
982 const char *endp, *p;
983 int vlan;
984
985 if (strstart(opt, "hci", &endp)) {
986 if (!*endp || *endp == ',') {
987 if (*endp)
988 if (!strstart(endp, ",vlan=", 0))
989 opt = endp + 1;
990
991 return bt_hci_parse(opt);
992 }
993 } else if (strstart(opt, "vhci", &endp)) {
994 if (!*endp || *endp == ',') {
995 if (*endp) {
996 if (strstart(endp, ",vlan=", &p)) {
997 vlan = strtol(p, (char **) &endp, 0);
998 if (*endp) {
999 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
1000 return 1;
1001 }
1002 } else {
1003 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
1004 return 1;
1005 }
1006 } else
1007 vlan = 0;
1008
1009 bt_vhci_add(vlan);
1010 return 0;
1011 }
1012 } else if (strstart(opt, "device:", &endp))
1013 return !bt_device_add(endp);
1014
1015 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
1016 return 1;
1017 }
1018
1019 static int parse_sandbox(QemuOpts *opts, void *opaque)
1020 {
1021 /* FIXME: change this to true for 1.3 */
1022 if (qemu_opt_get_bool(opts, "enable", false)) {
1023 #ifdef CONFIG_SECCOMP
1024 if (seccomp_start() < 0) {
1025 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1026 "failed to install seccomp syscall filter in the kernel");
1027 return -1;
1028 }
1029 #else
1030 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1031 "sandboxing request but seccomp is not compiled into this build");
1032 return -1;
1033 #endif
1034 }
1035
1036 return 0;
1037 }
1038
1039 static int parse_name(QemuOpts *opts, void *opaque)
1040 {
1041 const char *proc_name;
1042
1043 if (qemu_opt_get(opts, "debug-threads")) {
1044 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1045 }
1046 qemu_name = qemu_opt_get(opts, "guest");
1047
1048 proc_name = qemu_opt_get(opts, "process");
1049 if (proc_name) {
1050 os_set_proc_name(proc_name);
1051 }
1052
1053 return 0;
1054 }
1055
1056 bool usb_enabled(bool default_usb)
1057 {
1058 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb",
1059 has_defaults && default_usb);
1060 }
1061
1062 #ifndef _WIN32
1063 static int parse_add_fd(QemuOpts *opts, void *opaque)
1064 {
1065 int fd, dupfd, flags;
1066 int64_t fdset_id;
1067 const char *fd_opaque = NULL;
1068
1069 fd = qemu_opt_get_number(opts, "fd", -1);
1070 fdset_id = qemu_opt_get_number(opts, "set", -1);
1071 fd_opaque = qemu_opt_get(opts, "opaque");
1072
1073 if (fd < 0) {
1074 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1075 "fd option is required and must be non-negative");
1076 return -1;
1077 }
1078
1079 if (fd <= STDERR_FILENO) {
1080 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1081 "fd cannot be a standard I/O stream");
1082 return -1;
1083 }
1084
1085 /*
1086 * All fds inherited across exec() necessarily have FD_CLOEXEC
1087 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1088 */
1089 flags = fcntl(fd, F_GETFD);
1090 if (flags == -1 || (flags & FD_CLOEXEC)) {
1091 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1092 "fd is not valid or already in use");
1093 return -1;
1094 }
1095
1096 if (fdset_id < 0) {
1097 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1098 "set option is required and must be non-negative");
1099 return -1;
1100 }
1101
1102 #ifdef F_DUPFD_CLOEXEC
1103 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1104 #else
1105 dupfd = dup(fd);
1106 if (dupfd != -1) {
1107 qemu_set_cloexec(dupfd);
1108 }
1109 #endif
1110 if (dupfd == -1) {
1111 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1112 "Error duplicating fd: %s", strerror(errno));
1113 return -1;
1114 }
1115
1116 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1117 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1118 fd_opaque, NULL);
1119
1120 return 0;
1121 }
1122
1123 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1124 {
1125 int fd;
1126
1127 fd = qemu_opt_get_number(opts, "fd", -1);
1128 close(fd);
1129
1130 return 0;
1131 }
1132 #endif
1133
1134 /***********************************************************/
1135 /* QEMU Block devices */
1136
1137 #define HD_OPTS "media=disk"
1138 #define CDROM_OPTS "media=cdrom"
1139 #define FD_OPTS ""
1140 #define PFLASH_OPTS ""
1141 #define MTD_OPTS ""
1142 #define SD_OPTS ""
1143
1144 static int drive_init_func(QemuOpts *opts, void *opaque)
1145 {
1146 BlockInterfaceType *block_default_type = opaque;
1147
1148 return drive_new(opts, *block_default_type) == NULL;
1149 }
1150
1151 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1152 {
1153 if (NULL == qemu_opt_get(opts, "snapshot")) {
1154 qemu_opt_set(opts, "snapshot", "on");
1155 }
1156 return 0;
1157 }
1158
1159 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1160 int index, const char *optstr)
1161 {
1162 QemuOpts *opts;
1163
1164 if (!enable || drive_get_by_index(type, index)) {
1165 return;
1166 }
1167
1168 opts = drive_add(type, index, NULL, optstr);
1169 if (snapshot) {
1170 drive_enable_snapshot(opts, NULL);
1171 }
1172 if (!drive_new(opts, type)) {
1173 exit(1);
1174 }
1175 }
1176
1177 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1178 {
1179 boot_set_handler = func;
1180 boot_set_opaque = opaque;
1181 }
1182
1183 int qemu_boot_set(const char *boot_order)
1184 {
1185 if (!boot_set_handler) {
1186 return -EINVAL;
1187 }
1188 return boot_set_handler(boot_set_opaque, boot_order);
1189 }
1190
1191 static void validate_bootdevices(const char *devices)
1192 {
1193 /* We just do some generic consistency checks */
1194 const char *p;
1195 int bitmap = 0;
1196
1197 for (p = devices; *p != '\0'; p++) {
1198 /* Allowed boot devices are:
1199 * a-b: floppy disk drives
1200 * c-f: IDE disk drives
1201 * g-m: machine implementation dependent drives
1202 * n-p: network devices
1203 * It's up to each machine implementation to check if the given boot
1204 * devices match the actual hardware implementation and firmware
1205 * features.
1206 */
1207 if (*p < 'a' || *p > 'p') {
1208 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1209 exit(1);
1210 }
1211 if (bitmap & (1 << (*p - 'a'))) {
1212 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1213 exit(1);
1214 }
1215 bitmap |= 1 << (*p - 'a');
1216 }
1217 }
1218
1219 static void restore_boot_order(void *opaque)
1220 {
1221 char *normal_boot_order = opaque;
1222 static int first = 1;
1223
1224 /* Restore boot order and remove ourselves after the first boot */
1225 if (first) {
1226 first = 0;
1227 return;
1228 }
1229
1230 qemu_boot_set(normal_boot_order);
1231
1232 qemu_unregister_reset(restore_boot_order, normal_boot_order);
1233 g_free(normal_boot_order);
1234 }
1235
1236 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
1237 const char *suffix)
1238 {
1239 FWBootEntry *node, *i;
1240
1241 if (bootindex < 0) {
1242 return;
1243 }
1244
1245 assert(dev != NULL || suffix != NULL);
1246
1247 node = g_malloc0(sizeof(FWBootEntry));
1248 node->bootindex = bootindex;
1249 node->suffix = g_strdup(suffix);
1250 node->dev = dev;
1251
1252 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1253 if (i->bootindex == bootindex) {
1254 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1255 exit(1);
1256 } else if (i->bootindex < bootindex) {
1257 continue;
1258 }
1259 QTAILQ_INSERT_BEFORE(i, node, link);
1260 return;
1261 }
1262 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1263 }
1264
1265 DeviceState *get_boot_device(uint32_t position)
1266 {
1267 uint32_t counter = 0;
1268 FWBootEntry *i = NULL;
1269 DeviceState *res = NULL;
1270
1271 if (!QTAILQ_EMPTY(&fw_boot_order)) {
1272 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1273 if (counter == position) {
1274 res = i->dev;
1275 break;
1276 }
1277 counter++;
1278 }
1279 }
1280 return res;
1281 }
1282
1283 /*
1284 * This function returns null terminated string that consist of new line
1285 * separated device paths.
1286 *
1287 * memory pointed by "size" is assigned total length of the array in bytes
1288 *
1289 */
1290 char *get_boot_devices_list(size_t *size, bool ignore_suffixes)
1291 {
1292 FWBootEntry *i;
1293 size_t total = 0;
1294 char *list = NULL;
1295
1296 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1297 char *devpath = NULL, *bootpath;
1298 size_t len;
1299
1300 if (i->dev) {
1301 devpath = qdev_get_fw_dev_path(i->dev);
1302 assert(devpath);
1303 }
1304
1305 if (i->suffix && !ignore_suffixes && devpath) {
1306 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1307
1308 bootpath = g_malloc(bootpathlen);
1309 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1310 g_free(devpath);
1311 } else if (devpath) {
1312 bootpath = devpath;
1313 } else if (!ignore_suffixes) {
1314 assert(i->suffix);
1315 bootpath = g_strdup(i->suffix);
1316 } else {
1317 bootpath = g_strdup("");
1318 }
1319
1320 if (total) {
1321 list[total-1] = '\n';
1322 }
1323 len = strlen(bootpath) + 1;
1324 list = g_realloc(list, total + len);
1325 memcpy(&list[total], bootpath, len);
1326 total += len;
1327 g_free(bootpath);
1328 }
1329
1330 *size = total;
1331
1332 if (boot_strict && *size > 0) {
1333 list[total-1] = '\n';
1334 list = g_realloc(list, total + 5);
1335 memcpy(&list[total], "HALT", 5);
1336 *size = total + 5;
1337 }
1338 return list;
1339 }
1340
1341 static QemuOptsList qemu_smp_opts = {
1342 .name = "smp-opts",
1343 .implied_opt_name = "cpus",
1344 .merge_lists = true,
1345 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1346 .desc = {
1347 {
1348 .name = "cpus",
1349 .type = QEMU_OPT_NUMBER,
1350 }, {
1351 .name = "sockets",
1352 .type = QEMU_OPT_NUMBER,
1353 }, {
1354 .name = "cores",
1355 .type = QEMU_OPT_NUMBER,
1356 }, {
1357 .name = "threads",
1358 .type = QEMU_OPT_NUMBER,
1359 }, {
1360 .name = "maxcpus",
1361 .type = QEMU_OPT_NUMBER,
1362 },
1363 { /*End of list */ }
1364 },
1365 };
1366
1367 static void smp_parse(QemuOpts *opts)
1368 {
1369 if (opts) {
1370
1371 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1372 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1373 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1374 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1375
1376 /* compute missing values, prefer sockets over cores over threads */
1377 if (cpus == 0 || sockets == 0) {
1378 sockets = sockets > 0 ? sockets : 1;
1379 cores = cores > 0 ? cores : 1;
1380 threads = threads > 0 ? threads : 1;
1381 if (cpus == 0) {
1382 cpus = cores * threads * sockets;
1383 }
1384 } else {
1385 if (cores == 0) {
1386 threads = threads > 0 ? threads : 1;
1387 cores = cpus / (sockets * threads);
1388 } else {
1389 threads = cpus / (cores * sockets);
1390 }
1391 }
1392
1393 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1394
1395 smp_cpus = cpus;
1396 smp_cores = cores > 0 ? cores : 1;
1397 smp_threads = threads > 0 ? threads : 1;
1398
1399 }
1400
1401 if (max_cpus == 0) {
1402 max_cpus = smp_cpus;
1403 }
1404
1405 if (max_cpus > MAX_CPUMASK_BITS) {
1406 fprintf(stderr, "Unsupported number of maxcpus\n");
1407 exit(1);
1408 }
1409 if (max_cpus < smp_cpus) {
1410 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1411 exit(1);
1412 }
1413
1414 }
1415
1416 static void configure_realtime(QemuOpts *opts)
1417 {
1418 bool enable_mlock;
1419
1420 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
1421
1422 if (enable_mlock) {
1423 if (os_mlock() < 0) {
1424 fprintf(stderr, "qemu: locking memory failed\n");
1425 exit(1);
1426 }
1427 }
1428 }
1429
1430
1431 static void configure_msg(QemuOpts *opts)
1432 {
1433 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1434 }
1435
1436 /***********************************************************/
1437 /* USB devices */
1438
1439 static int usb_device_add(const char *devname)
1440 {
1441 USBDevice *dev = NULL;
1442 #ifndef CONFIG_LINUX
1443 const char *p;
1444 #endif
1445
1446 if (!usb_enabled(false)) {
1447 return -1;
1448 }
1449
1450 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1451 dev = usbdevice_create(devname);
1452 if (dev)
1453 goto done;
1454
1455 /* the other ones */
1456 #ifndef CONFIG_LINUX
1457 /* only the linux version is qdev-ified, usb-bsd still needs this */
1458 if (strstart(devname, "host:", &p)) {
1459 dev = usb_host_device_open(usb_bus_find(-1), p);
1460 }
1461 #endif
1462 if (!dev)
1463 return -1;
1464
1465 done:
1466 return 0;
1467 }
1468
1469 static int usb_device_del(const char *devname)
1470 {
1471 int bus_num, addr;
1472 const char *p;
1473
1474 if (strstart(devname, "host:", &p)) {
1475 return -1;
1476 }
1477
1478 if (!usb_enabled(false)) {
1479 return -1;
1480 }
1481
1482 p = strchr(devname, '.');
1483 if (!p)
1484 return -1;
1485 bus_num = strtoul(devname, NULL, 0);
1486 addr = strtoul(p + 1, NULL, 0);
1487
1488 return usb_device_delete_addr(bus_num, addr);
1489 }
1490
1491 static int usb_parse(const char *cmdline)
1492 {
1493 int r;
1494 r = usb_device_add(cmdline);
1495 if (r < 0) {
1496 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1497 }
1498 return r;
1499 }
1500
1501 void do_usb_add(Monitor *mon, const QDict *qdict)
1502 {
1503 const char *devname = qdict_get_str(qdict, "devname");
1504 if (usb_device_add(devname) < 0) {
1505 error_report("could not add USB device '%s'", devname);
1506 }
1507 }
1508
1509 void do_usb_del(Monitor *mon, const QDict *qdict)
1510 {
1511 const char *devname = qdict_get_str(qdict, "devname");
1512 if (usb_device_del(devname) < 0) {
1513 error_report("could not delete USB device '%s'", devname);
1514 }
1515 }
1516
1517 /***********************************************************/
1518 /* PCMCIA/Cardbus */
1519
1520 static struct pcmcia_socket_entry_s {
1521 PCMCIASocket *socket;
1522 struct pcmcia_socket_entry_s *next;
1523 } *pcmcia_sockets = 0;
1524
1525 void pcmcia_socket_register(PCMCIASocket *socket)
1526 {
1527 struct pcmcia_socket_entry_s *entry;
1528
1529 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1530 entry->socket = socket;
1531 entry->next = pcmcia_sockets;
1532 pcmcia_sockets = entry;
1533 }
1534
1535 void pcmcia_socket_unregister(PCMCIASocket *socket)
1536 {
1537 struct pcmcia_socket_entry_s *entry, **ptr;
1538
1539 ptr = &pcmcia_sockets;
1540 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1541 if (entry->socket == socket) {
1542 *ptr = entry->next;
1543 g_free(entry);
1544 }
1545 }
1546
1547 void pcmcia_info(Monitor *mon, const QDict *qdict)
1548 {
1549 struct pcmcia_socket_entry_s *iter;
1550
1551 if (!pcmcia_sockets)
1552 monitor_printf(mon, "No PCMCIA sockets\n");
1553
1554 for (iter = pcmcia_sockets; iter; iter = iter->next)
1555 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1556 iter->socket->attached ? iter->socket->card_string :
1557 "Empty");
1558 }
1559
1560 /***********************************************************/
1561 /* machine registration */
1562
1563 MachineState *current_machine;
1564
1565 static void machine_class_init(ObjectClass *oc, void *data)
1566 {
1567 MachineClass *mc = MACHINE_CLASS(oc);
1568 QEMUMachine *qm = data;
1569
1570 mc->name = qm->name;
1571 mc->alias = qm->alias;
1572 mc->desc = qm->desc;
1573 mc->init = qm->init;
1574 mc->reset = qm->reset;
1575 mc->hot_add_cpu = qm->hot_add_cpu;
1576 mc->kvm_type = qm->kvm_type;
1577 mc->block_default_type = qm->block_default_type;
1578 mc->max_cpus = qm->max_cpus;
1579 mc->no_serial = qm->no_serial;
1580 mc->no_parallel = qm->no_parallel;
1581 mc->use_virtcon = qm->use_virtcon;
1582 mc->use_sclp = qm->use_sclp;
1583 mc->no_floppy = qm->no_floppy;
1584 mc->no_cdrom = qm->no_cdrom;
1585 mc->no_sdcard = qm->no_sdcard;
1586 mc->is_default = qm->is_default;
1587 mc->default_machine_opts = qm->default_machine_opts;
1588 mc->default_boot_order = qm->default_boot_order;
1589 mc->compat_props = qm->compat_props;
1590 mc->hw_version = qm->hw_version;
1591 }
1592
1593 int qemu_register_machine(QEMUMachine *m)
1594 {
1595 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1596 TypeInfo ti = {
1597 .name = name,
1598 .parent = TYPE_MACHINE,
1599 .class_init = machine_class_init,
1600 .class_data = (void *)m,
1601 };
1602
1603 type_register(&ti);
1604 g_free(name);
1605
1606 return 0;
1607 }
1608
1609 static MachineClass *find_machine(const char *name)
1610 {
1611 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1612 MachineClass *mc = NULL;
1613
1614 for (el = machines; el; el = el->next) {
1615 MachineClass *temp = el->data;
1616
1617 if (!strcmp(temp->name, name)) {
1618 mc = temp;
1619 break;
1620 }
1621 if (temp->alias &&
1622 !strcmp(temp->alias, name)) {
1623 mc = temp;
1624 break;
1625 }
1626 }
1627
1628 g_slist_free(machines);
1629 return mc;
1630 }
1631
1632 MachineClass *find_default_machine(void)
1633 {
1634 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1635 MachineClass *mc = NULL;
1636
1637 for (el = machines; el; el = el->next) {
1638 MachineClass *temp = el->data;
1639
1640 if (temp->is_default) {
1641 mc = temp;
1642 break;
1643 }
1644 }
1645
1646 g_slist_free(machines);
1647 return mc;
1648 }
1649
1650 MachineInfoList *qmp_query_machines(Error **errp)
1651 {
1652 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1653 MachineInfoList *mach_list = NULL;
1654
1655 for (el = machines; el; el = el->next) {
1656 MachineClass *mc = el->data;
1657 MachineInfoList *entry;
1658 MachineInfo *info;
1659
1660 info = g_malloc0(sizeof(*info));
1661 if (mc->is_default) {
1662 info->has_is_default = true;
1663 info->is_default = true;
1664 }
1665
1666 if (mc->alias) {
1667 info->has_alias = true;
1668 info->alias = g_strdup(mc->alias);
1669 }
1670
1671 info->name = g_strdup(mc->name);
1672 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1673
1674 entry = g_malloc0(sizeof(*entry));
1675 entry->value = info;
1676 entry->next = mach_list;
1677 mach_list = entry;
1678 }
1679
1680 g_slist_free(machines);
1681 return mach_list;
1682 }
1683
1684 /***********************************************************/
1685 /* main execution loop */
1686
1687 struct vm_change_state_entry {
1688 VMChangeStateHandler *cb;
1689 void *opaque;
1690 QLIST_ENTRY (vm_change_state_entry) entries;
1691 };
1692
1693 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1694
1695 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1696 void *opaque)
1697 {
1698 VMChangeStateEntry *e;
1699
1700 e = g_malloc0(sizeof (*e));
1701
1702 e->cb = cb;
1703 e->opaque = opaque;
1704 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1705 return e;
1706 }
1707
1708 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1709 {
1710 QLIST_REMOVE (e, entries);
1711 g_free (e);
1712 }
1713
1714 void vm_state_notify(int running, RunState state)
1715 {
1716 VMChangeStateEntry *e;
1717
1718 trace_vm_state_notify(running, state);
1719
1720 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1721 e->cb(e->opaque, running, state);
1722 }
1723 }
1724
1725 /* reset/shutdown handler */
1726
1727 typedef struct QEMUResetEntry {
1728 QTAILQ_ENTRY(QEMUResetEntry) entry;
1729 QEMUResetHandler *func;
1730 void *opaque;
1731 } QEMUResetEntry;
1732
1733 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1734 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1735 static int reset_requested;
1736 static int shutdown_requested, shutdown_signal = -1;
1737 static pid_t shutdown_pid;
1738 static int powerdown_requested;
1739 static int debug_requested;
1740 static int suspend_requested;
1741 static WakeupReason wakeup_reason;
1742 static NotifierList powerdown_notifiers =
1743 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1744 static NotifierList suspend_notifiers =
1745 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1746 static NotifierList wakeup_notifiers =
1747 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1748 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1749
1750 int qemu_shutdown_requested_get(void)
1751 {
1752 return shutdown_requested;
1753 }
1754
1755 int qemu_reset_requested_get(void)
1756 {
1757 return reset_requested;
1758 }
1759
1760 static int qemu_shutdown_requested(void)
1761 {
1762 int r = shutdown_requested;
1763 shutdown_requested = 0;
1764 return r;
1765 }
1766
1767 static void qemu_kill_report(void)
1768 {
1769 if (!qtest_driver() && shutdown_signal != -1) {
1770 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1771 if (shutdown_pid == 0) {
1772 /* This happens for eg ^C at the terminal, so it's worth
1773 * avoiding printing an odd message in that case.
1774 */
1775 fputc('\n', stderr);
1776 } else {
1777 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1778 }
1779 shutdown_signal = -1;
1780 }
1781 }
1782
1783 static int qemu_reset_requested(void)
1784 {
1785 int r = reset_requested;
1786 reset_requested = 0;
1787 return r;
1788 }
1789
1790 static int qemu_suspend_requested(void)
1791 {
1792 int r = suspend_requested;
1793 suspend_requested = 0;
1794 return r;
1795 }
1796
1797 static WakeupReason qemu_wakeup_requested(void)
1798 {
1799 return wakeup_reason;
1800 }
1801
1802 static int qemu_powerdown_requested(void)
1803 {
1804 int r = powerdown_requested;
1805 powerdown_requested = 0;
1806 return r;
1807 }
1808
1809 static int qemu_debug_requested(void)
1810 {
1811 int r = debug_requested;
1812 debug_requested = 0;
1813 return r;
1814 }
1815
1816 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1817 {
1818 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1819
1820 re->func = func;
1821 re->opaque = opaque;
1822 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1823 }
1824
1825 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1826 {
1827 QEMUResetEntry *re;
1828
1829 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1830 if (re->func == func && re->opaque == opaque) {
1831 QTAILQ_REMOVE(&reset_handlers, re, entry);
1832 g_free(re);
1833 return;
1834 }
1835 }
1836 }
1837
1838 void qemu_devices_reset(void)
1839 {
1840 QEMUResetEntry *re, *nre;
1841
1842 /* reset all devices */
1843 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1844 re->func(re->opaque);
1845 }
1846 }
1847
1848 void qemu_system_reset(bool report)
1849 {
1850 MachineClass *mc;
1851
1852 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1853
1854 if (mc && mc->reset) {
1855 mc->reset();
1856 } else {
1857 qemu_devices_reset();
1858 }
1859 if (report) {
1860 qapi_event_send_reset(&error_abort);
1861 }
1862 cpu_synchronize_all_post_reset();
1863 }
1864
1865 void qemu_system_reset_request(void)
1866 {
1867 if (no_reboot) {
1868 shutdown_requested = 1;
1869 } else {
1870 reset_requested = 1;
1871 }
1872 cpu_stop_current();
1873 qemu_notify_event();
1874 }
1875
1876 static void qemu_system_suspend(void)
1877 {
1878 pause_all_vcpus();
1879 notifier_list_notify(&suspend_notifiers, NULL);
1880 runstate_set(RUN_STATE_SUSPENDED);
1881 qapi_event_send_suspend(&error_abort);
1882 }
1883
1884 void qemu_system_suspend_request(void)
1885 {
1886 if (runstate_check(RUN_STATE_SUSPENDED)) {
1887 return;
1888 }
1889 suspend_requested = 1;
1890 cpu_stop_current();
1891 qemu_notify_event();
1892 }
1893
1894 void qemu_register_suspend_notifier(Notifier *notifier)
1895 {
1896 notifier_list_add(&suspend_notifiers, notifier);
1897 }
1898
1899 void qemu_system_wakeup_request(WakeupReason reason)
1900 {
1901 trace_system_wakeup_request(reason);
1902
1903 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1904 return;
1905 }
1906 if (!(wakeup_reason_mask & (1 << reason))) {
1907 return;
1908 }
1909 runstate_set(RUN_STATE_RUNNING);
1910 wakeup_reason = reason;
1911 qemu_notify_event();
1912 }
1913
1914 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1915 {
1916 if (enabled) {
1917 wakeup_reason_mask |= (1 << reason);
1918 } else {
1919 wakeup_reason_mask &= ~(1 << reason);
1920 }
1921 }
1922
1923 void qemu_register_wakeup_notifier(Notifier *notifier)
1924 {
1925 notifier_list_add(&wakeup_notifiers, notifier);
1926 }
1927
1928 void qemu_system_killed(int signal, pid_t pid)
1929 {
1930 shutdown_signal = signal;
1931 shutdown_pid = pid;
1932 no_shutdown = 0;
1933 qemu_system_shutdown_request();
1934 }
1935
1936 void qemu_system_shutdown_request(void)
1937 {
1938 trace_qemu_system_shutdown_request();
1939 shutdown_requested = 1;
1940 qemu_notify_event();
1941 }
1942
1943 static void qemu_system_powerdown(void)
1944 {
1945 qapi_event_send_powerdown(&error_abort);
1946 notifier_list_notify(&powerdown_notifiers, NULL);
1947 }
1948
1949 void qemu_system_powerdown_request(void)
1950 {
1951 trace_qemu_system_powerdown_request();
1952 powerdown_requested = 1;
1953 qemu_notify_event();
1954 }
1955
1956 void qemu_register_powerdown_notifier(Notifier *notifier)
1957 {
1958 notifier_list_add(&powerdown_notifiers, notifier);
1959 }
1960
1961 void qemu_system_debug_request(void)
1962 {
1963 debug_requested = 1;
1964 qemu_notify_event();
1965 }
1966
1967 static bool main_loop_should_exit(void)
1968 {
1969 RunState r;
1970 if (qemu_debug_requested()) {
1971 vm_stop(RUN_STATE_DEBUG);
1972 }
1973 if (qemu_suspend_requested()) {
1974 qemu_system_suspend();
1975 }
1976 if (qemu_shutdown_requested()) {
1977 qemu_kill_report();
1978 qapi_event_send_shutdown(&error_abort);
1979 if (no_shutdown) {
1980 vm_stop(RUN_STATE_SHUTDOWN);
1981 } else {
1982 return true;
1983 }
1984 }
1985 if (qemu_reset_requested()) {
1986 pause_all_vcpus();
1987 cpu_synchronize_all_states();
1988 qemu_system_reset(VMRESET_REPORT);
1989 resume_all_vcpus();
1990 if (runstate_needs_reset()) {
1991 runstate_set(RUN_STATE_PAUSED);
1992 }
1993 }
1994 if (qemu_wakeup_requested()) {
1995 pause_all_vcpus();
1996 cpu_synchronize_all_states();
1997 qemu_system_reset(VMRESET_SILENT);
1998 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1999 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
2000 resume_all_vcpus();
2001 qapi_event_send_wakeup(&error_abort);
2002 }
2003 if (qemu_powerdown_requested()) {
2004 qemu_system_powerdown();
2005 }
2006 if (qemu_vmstop_requested(&r)) {
2007 vm_stop(r);
2008 }
2009 return false;
2010 }
2011
2012 static void main_loop(void)
2013 {
2014 bool nonblocking;
2015 int last_io = 0;
2016 #ifdef CONFIG_PROFILER
2017 int64_t ti;
2018 #endif
2019 do {
2020 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
2021 #ifdef CONFIG_PROFILER
2022 ti = profile_getclock();
2023 #endif
2024 last_io = main_loop_wait(nonblocking);
2025 #ifdef CONFIG_PROFILER
2026 dev_time += profile_getclock() - ti;
2027 #endif
2028 } while (!main_loop_should_exit());
2029 }
2030
2031 static void version(void)
2032 {
2033 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
2034 }
2035
2036 static void help(int exitcode)
2037 {
2038 version();
2039 printf("usage: %s [options] [disk_image]\n\n"
2040 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2041 error_get_progname());
2042
2043 #define QEMU_OPTIONS_GENERATE_HELP
2044 #include "qemu-options-wrapper.h"
2045
2046 printf("\nDuring emulation, the following keys are useful:\n"
2047 "ctrl-alt-f toggle full screen\n"
2048 "ctrl-alt-n switch to virtual console 'n'\n"
2049 "ctrl-alt toggle mouse and keyboard grab\n"
2050 "\n"
2051 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2052
2053 exit(exitcode);
2054 }
2055
2056 #define HAS_ARG 0x0001
2057
2058 typedef struct QEMUOption {
2059 const char *name;
2060 int flags;
2061 int index;
2062 uint32_t arch_mask;
2063 } QEMUOption;
2064
2065 static const QEMUOption qemu_options[] = {
2066 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2067 #define QEMU_OPTIONS_GENERATE_OPTIONS
2068 #include "qemu-options-wrapper.h"
2069 { NULL },
2070 };
2071
2072 static bool vga_available(void)
2073 {
2074 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2075 }
2076
2077 static bool cirrus_vga_available(void)
2078 {
2079 return object_class_by_name("cirrus-vga")
2080 || object_class_by_name("isa-cirrus-vga");
2081 }
2082
2083 static bool vmware_vga_available(void)
2084 {
2085 return object_class_by_name("vmware-svga");
2086 }
2087
2088 static bool qxl_vga_available(void)
2089 {
2090 return object_class_by_name("qxl-vga");
2091 }
2092
2093 static bool tcx_vga_available(void)
2094 {
2095 return object_class_by_name("SUNW,tcx");
2096 }
2097
2098 static bool cg3_vga_available(void)
2099 {
2100 return object_class_by_name("cgthree");
2101 }
2102
2103 static void select_vgahw (const char *p)
2104 {
2105 const char *opts;
2106
2107 assert(vga_interface_type == VGA_NONE);
2108 if (strstart(p, "std", &opts)) {
2109 if (vga_available()) {
2110 vga_interface_type = VGA_STD;
2111 } else {
2112 fprintf(stderr, "Error: standard VGA not available\n");
2113 exit(0);
2114 }
2115 } else if (strstart(p, "cirrus", &opts)) {
2116 if (cirrus_vga_available()) {
2117 vga_interface_type = VGA_CIRRUS;
2118 } else {
2119 fprintf(stderr, "Error: Cirrus VGA not available\n");
2120 exit(0);
2121 }
2122 } else if (strstart(p, "vmware", &opts)) {
2123 if (vmware_vga_available()) {
2124 vga_interface_type = VGA_VMWARE;
2125 } else {
2126 fprintf(stderr, "Error: VMWare SVGA not available\n");
2127 exit(0);
2128 }
2129 } else if (strstart(p, "xenfb", &opts)) {
2130 vga_interface_type = VGA_XENFB;
2131 } else if (strstart(p, "qxl", &opts)) {
2132 if (qxl_vga_available()) {
2133 vga_interface_type = VGA_QXL;
2134 } else {
2135 fprintf(stderr, "Error: QXL VGA not available\n");
2136 exit(0);
2137 }
2138 } else if (strstart(p, "tcx", &opts)) {
2139 if (tcx_vga_available()) {
2140 vga_interface_type = VGA_TCX;
2141 } else {
2142 fprintf(stderr, "Error: TCX framebuffer not available\n");
2143 exit(0);
2144 }
2145 } else if (strstart(p, "cg3", &opts)) {
2146 if (cg3_vga_available()) {
2147 vga_interface_type = VGA_CG3;
2148 } else {
2149 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2150 exit(0);
2151 }
2152 } else if (!strstart(p, "none", &opts)) {
2153 invalid_vga:
2154 fprintf(stderr, "Unknown vga type: %s\n", p);
2155 exit(1);
2156 }
2157 while (*opts) {
2158 const char *nextopt;
2159
2160 if (strstart(opts, ",retrace=", &nextopt)) {
2161 opts = nextopt;
2162 if (strstart(opts, "dumb", &nextopt))
2163 vga_retrace_method = VGA_RETRACE_DUMB;
2164 else if (strstart(opts, "precise", &nextopt))
2165 vga_retrace_method = VGA_RETRACE_PRECISE;
2166 else goto invalid_vga;
2167 } else goto invalid_vga;
2168 opts = nextopt;
2169 }
2170 }
2171
2172 static DisplayType select_display(const char *p)
2173 {
2174 const char *opts;
2175 DisplayType display = DT_DEFAULT;
2176
2177 if (strstart(p, "sdl", &opts)) {
2178 #ifdef CONFIG_SDL
2179 display = DT_SDL;
2180 while (*opts) {
2181 const char *nextopt;
2182
2183 if (strstart(opts, ",frame=", &nextopt)) {
2184 opts = nextopt;
2185 if (strstart(opts, "on", &nextopt)) {
2186 no_frame = 0;
2187 } else if (strstart(opts, "off", &nextopt)) {
2188 no_frame = 1;
2189 } else {
2190 goto invalid_sdl_args;
2191 }
2192 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2193 opts = nextopt;
2194 if (strstart(opts, "on", &nextopt)) {
2195 alt_grab = 1;
2196 } else if (strstart(opts, "off", &nextopt)) {
2197 alt_grab = 0;
2198 } else {
2199 goto invalid_sdl_args;
2200 }
2201 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2202 opts = nextopt;
2203 if (strstart(opts, "on", &nextopt)) {
2204 ctrl_grab = 1;
2205 } else if (strstart(opts, "off", &nextopt)) {
2206 ctrl_grab = 0;
2207 } else {
2208 goto invalid_sdl_args;
2209 }
2210 } else if (strstart(opts, ",window_close=", &nextopt)) {
2211 opts = nextopt;
2212 if (strstart(opts, "on", &nextopt)) {
2213 no_quit = 0;
2214 } else if (strstart(opts, "off", &nextopt)) {
2215 no_quit = 1;
2216 } else {
2217 goto invalid_sdl_args;
2218 }
2219 } else {
2220 invalid_sdl_args:
2221 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2222 exit(1);
2223 }
2224 opts = nextopt;
2225 }
2226 #else
2227 fprintf(stderr, "SDL support is disabled\n");
2228 exit(1);
2229 #endif
2230 } else if (strstart(p, "vnc", &opts)) {
2231 #ifdef CONFIG_VNC
2232 display_remote++;
2233
2234 if (*opts) {
2235 const char *nextopt;
2236
2237 if (strstart(opts, "=", &nextopt)) {
2238 vnc_display = nextopt;
2239 }
2240 }
2241 if (!vnc_display) {
2242 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2243 exit(1);
2244 }
2245 #else
2246 fprintf(stderr, "VNC support is disabled\n");
2247 exit(1);
2248 #endif
2249 } else if (strstart(p, "curses", &opts)) {
2250 #ifdef CONFIG_CURSES
2251 display = DT_CURSES;
2252 #else
2253 fprintf(stderr, "Curses support is disabled\n");
2254 exit(1);
2255 #endif
2256 } else if (strstart(p, "gtk", &opts)) {
2257 #ifdef CONFIG_GTK
2258 display = DT_GTK;
2259 while (*opts) {
2260 const char *nextopt;
2261
2262 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2263 opts = nextopt;
2264 if (strstart(opts, "on", &nextopt)) {
2265 grab_on_hover = true;
2266 } else if (strstart(opts, "off", &nextopt)) {
2267 grab_on_hover = false;
2268 } else {
2269 goto invalid_gtk_args;
2270 }
2271 } else {
2272 invalid_gtk_args:
2273 fprintf(stderr, "Invalid GTK option string: %s\n", p);
2274 exit(1);
2275 }
2276 opts = nextopt;
2277 }
2278 #else
2279 fprintf(stderr, "GTK support is disabled\n");
2280 exit(1);
2281 #endif
2282 } else if (strstart(p, "none", &opts)) {
2283 display = DT_NONE;
2284 } else {
2285 fprintf(stderr, "Unknown display type: %s\n", p);
2286 exit(1);
2287 }
2288
2289 return display;
2290 }
2291
2292 static int balloon_parse(const char *arg)
2293 {
2294 QemuOpts *opts;
2295
2296 if (strcmp(arg, "none") == 0) {
2297 return 0;
2298 }
2299
2300 if (!strncmp(arg, "virtio", 6)) {
2301 if (arg[6] == ',') {
2302 /* have params -> parse them */
2303 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2304 if (!opts)
2305 return -1;
2306 } else {
2307 /* create empty opts */
2308 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2309 &error_abort);
2310 }
2311 qemu_opt_set(opts, "driver", "virtio-balloon");
2312 return 0;
2313 }
2314
2315 return -1;
2316 }
2317
2318 char *qemu_find_file(int type, const char *name)
2319 {
2320 int i;
2321 const char *subdir;
2322 char *buf;
2323
2324 /* Try the name as a straight path first */
2325 if (access(name, R_OK) == 0) {
2326 trace_load_file(name, name);
2327 return g_strdup(name);
2328 }
2329
2330 switch (type) {
2331 case QEMU_FILE_TYPE_BIOS:
2332 subdir = "";
2333 break;
2334 case QEMU_FILE_TYPE_KEYMAP:
2335 subdir = "keymaps/";
2336 break;
2337 default:
2338 abort();
2339 }
2340
2341 for (i = 0; i < data_dir_idx; i++) {
2342 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2343 if (access(buf, R_OK) == 0) {
2344 trace_load_file(name, buf);
2345 return buf;
2346 }
2347 g_free(buf);
2348 }
2349 return NULL;
2350 }
2351
2352 static int device_help_func(QemuOpts *opts, void *opaque)
2353 {
2354 return qdev_device_help(opts);
2355 }
2356
2357 static int device_init_func(QemuOpts *opts, void *opaque)
2358 {
2359 DeviceState *dev;
2360
2361 dev = qdev_device_add(opts);
2362 if (!dev)
2363 return -1;
2364 object_unref(OBJECT(dev));
2365 return 0;
2366 }
2367
2368 static int chardev_init_func(QemuOpts *opts, void *opaque)
2369 {
2370 Error *local_err = NULL;
2371
2372 qemu_chr_new_from_opts(opts, NULL, &local_err);
2373 if (local_err) {
2374 error_report("%s", error_get_pretty(local_err));
2375 error_free(local_err);
2376 return -1;
2377 }
2378 return 0;
2379 }
2380
2381 #ifdef CONFIG_VIRTFS
2382 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2383 {
2384 int ret;
2385 ret = qemu_fsdev_add(opts);
2386
2387 return ret;
2388 }
2389 #endif
2390
2391 static int mon_init_func(QemuOpts *opts, void *opaque)
2392 {
2393 CharDriverState *chr;
2394 const char *chardev;
2395 const char *mode;
2396 int flags;
2397
2398 mode = qemu_opt_get(opts, "mode");
2399 if (mode == NULL) {
2400 mode = "readline";
2401 }
2402 if (strcmp(mode, "readline") == 0) {
2403 flags = MONITOR_USE_READLINE;
2404 } else if (strcmp(mode, "control") == 0) {
2405 flags = MONITOR_USE_CONTROL;
2406 } else {
2407 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2408 exit(1);
2409 }
2410
2411 if (qemu_opt_get_bool(opts, "pretty", 0))
2412 flags |= MONITOR_USE_PRETTY;
2413
2414 if (qemu_opt_get_bool(opts, "default", 0))
2415 flags |= MONITOR_IS_DEFAULT;
2416
2417 chardev = qemu_opt_get(opts, "chardev");
2418 chr = qemu_chr_find(chardev);
2419 if (chr == NULL) {
2420 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2421 exit(1);
2422 }
2423
2424 qemu_chr_fe_claim_no_fail(chr);
2425 monitor_init(chr, flags);
2426 return 0;
2427 }
2428
2429 static void monitor_parse(const char *optarg, const char *mode)
2430 {
2431 static int monitor_device_index = 0;
2432 QemuOpts *opts;
2433 const char *p;
2434 char label[32];
2435 int def = 0;
2436
2437 if (strstart(optarg, "chardev:", &p)) {
2438 snprintf(label, sizeof(label), "%s", p);
2439 } else {
2440 snprintf(label, sizeof(label), "compat_monitor%d",
2441 monitor_device_index);
2442 if (monitor_device_index == 0) {
2443 def = 1;
2444 }
2445 opts = qemu_chr_parse_compat(label, optarg);
2446 if (!opts) {
2447 fprintf(stderr, "parse error: %s\n", optarg);
2448 exit(1);
2449 }
2450 }
2451
2452 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2453 if (!opts) {
2454 fprintf(stderr, "duplicate chardev: %s\n", label);
2455 exit(1);
2456 }
2457 qemu_opt_set(opts, "mode", mode);
2458 qemu_opt_set(opts, "chardev", label);
2459 if (def)
2460 qemu_opt_set(opts, "default", "on");
2461 monitor_device_index++;
2462 }
2463
2464 struct device_config {
2465 enum {
2466 DEV_USB, /* -usbdevice */
2467 DEV_BT, /* -bt */
2468 DEV_SERIAL, /* -serial */
2469 DEV_PARALLEL, /* -parallel */
2470 DEV_VIRTCON, /* -virtioconsole */
2471 DEV_DEBUGCON, /* -debugcon */
2472 DEV_GDB, /* -gdb, -s */
2473 DEV_SCLP, /* s390 sclp */
2474 } type;
2475 const char *cmdline;
2476 Location loc;
2477 QTAILQ_ENTRY(device_config) next;
2478 };
2479
2480 static QTAILQ_HEAD(, device_config) device_configs =
2481 QTAILQ_HEAD_INITIALIZER(device_configs);
2482
2483 static void add_device_config(int type, const char *cmdline)
2484 {
2485 struct device_config *conf;
2486
2487 conf = g_malloc0(sizeof(*conf));
2488 conf->type = type;
2489 conf->cmdline = cmdline;
2490 loc_save(&conf->loc);
2491 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2492 }
2493
2494 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2495 {
2496 struct device_config *conf;
2497 int rc;
2498
2499 QTAILQ_FOREACH(conf, &device_configs, next) {
2500 if (conf->type != type)
2501 continue;
2502 loc_push_restore(&conf->loc);
2503 rc = func(conf->cmdline);
2504 loc_pop(&conf->loc);
2505 if (0 != rc)
2506 return rc;
2507 }
2508 return 0;
2509 }
2510
2511 static int serial_parse(const char *devname)
2512 {
2513 static int index = 0;
2514 char label[32];
2515
2516 if (strcmp(devname, "none") == 0)
2517 return 0;
2518 if (index == MAX_SERIAL_PORTS) {
2519 fprintf(stderr, "qemu: too many serial ports\n");
2520 exit(1);
2521 }
2522 snprintf(label, sizeof(label), "serial%d", index);
2523 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2524 if (!serial_hds[index]) {
2525 fprintf(stderr, "qemu: could not connect serial device"
2526 " to character backend '%s'\n", devname);
2527 return -1;
2528 }
2529 index++;
2530 return 0;
2531 }
2532
2533 static int parallel_parse(const char *devname)
2534 {
2535 static int index = 0;
2536 char label[32];
2537
2538 if (strcmp(devname, "none") == 0)
2539 return 0;
2540 if (index == MAX_PARALLEL_PORTS) {
2541 fprintf(stderr, "qemu: too many parallel ports\n");
2542 exit(1);
2543 }
2544 snprintf(label, sizeof(label), "parallel%d", index);
2545 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2546 if (!parallel_hds[index]) {
2547 fprintf(stderr, "qemu: could not connect parallel device"
2548 " to character backend '%s'\n", devname);
2549 return -1;
2550 }
2551 index++;
2552 return 0;
2553 }
2554
2555 static int virtcon_parse(const char *devname)
2556 {
2557 QemuOptsList *device = qemu_find_opts("device");
2558 static int index = 0;
2559 char label[32];
2560 QemuOpts *bus_opts, *dev_opts;
2561
2562 if (strcmp(devname, "none") == 0)
2563 return 0;
2564 if (index == MAX_VIRTIO_CONSOLES) {
2565 fprintf(stderr, "qemu: too many virtio consoles\n");
2566 exit(1);
2567 }
2568
2569 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2570 if (arch_type == QEMU_ARCH_S390X) {
2571 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2572 } else {
2573 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2574 }
2575
2576 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2577 qemu_opt_set(dev_opts, "driver", "virtconsole");
2578
2579 snprintf(label, sizeof(label), "virtcon%d", index);
2580 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2581 if (!virtcon_hds[index]) {
2582 fprintf(stderr, "qemu: could not connect virtio console"
2583 " to character backend '%s'\n", devname);
2584 return -1;
2585 }
2586 qemu_opt_set(dev_opts, "chardev", label);
2587
2588 index++;
2589 return 0;
2590 }
2591
2592 static int sclp_parse(const char *devname)
2593 {
2594 QemuOptsList *device = qemu_find_opts("device");
2595 static int index = 0;
2596 char label[32];
2597 QemuOpts *dev_opts;
2598
2599 if (strcmp(devname, "none") == 0) {
2600 return 0;
2601 }
2602 if (index == MAX_SCLP_CONSOLES) {
2603 fprintf(stderr, "qemu: too many sclp consoles\n");
2604 exit(1);
2605 }
2606
2607 assert(arch_type == QEMU_ARCH_S390X);
2608
2609 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2610 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2611
2612 snprintf(label, sizeof(label), "sclpcon%d", index);
2613 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2614 if (!sclp_hds[index]) {
2615 fprintf(stderr, "qemu: could not connect sclp console"
2616 " to character backend '%s'\n", devname);
2617 return -1;
2618 }
2619 qemu_opt_set(dev_opts, "chardev", label);
2620
2621 index++;
2622 return 0;
2623 }
2624
2625 static int debugcon_parse(const char *devname)
2626 {
2627 QemuOpts *opts;
2628
2629 if (!qemu_chr_new("debugcon", devname, NULL)) {
2630 exit(1);
2631 }
2632 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2633 if (!opts) {
2634 fprintf(stderr, "qemu: already have a debugcon device\n");
2635 exit(1);
2636 }
2637 qemu_opt_set(opts, "driver", "isa-debugcon");
2638 qemu_opt_set(opts, "chardev", "debugcon");
2639 return 0;
2640 }
2641
2642 static MachineClass *machine_parse(const char *name)
2643 {
2644 MachineClass *mc = NULL;
2645 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2646
2647 if (name) {
2648 mc = find_machine(name);
2649 }
2650 if (mc) {
2651 return mc;
2652 }
2653 if (name && !is_help_option(name)) {
2654 error_report("Unsupported machine type");
2655 error_printf("Use -machine help to list supported machines!\n");
2656 } else {
2657 printf("Supported machines are:\n");
2658 for (el = machines; el; el = el->next) {
2659 MachineClass *mc = el->data;
2660 if (mc->alias) {
2661 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2662 }
2663 printf("%-20s %s%s\n", mc->name, mc->desc,
2664 mc->is_default ? " (default)" : "");
2665 }
2666 }
2667
2668 g_slist_free(machines);
2669 exit(!name || !is_help_option(name));
2670 }
2671
2672 static int tcg_init(MachineClass *mc)
2673 {
2674 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2675 return 0;
2676 }
2677
2678 static struct {
2679 const char *opt_name;
2680 const char *name;
2681 int (*available)(void);
2682 int (*init)(MachineClass *mc);
2683 bool *allowed;
2684 } accel_list[] = {
2685 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2686 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2687 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2688 { "qtest", "QTest", qtest_available, qtest_init_accel, &qtest_allowed },
2689 };
2690
2691 static int configure_accelerator(MachineClass *mc)
2692 {
2693 const char *p;
2694 char buf[10];
2695 int i, ret;
2696 bool accel_initialised = false;
2697 bool init_failed = false;
2698
2699 p = qemu_opt_get(qemu_get_machine_opts(), "accel");
2700 if (p == NULL) {
2701 /* Use the default "accelerator", tcg */
2702 p = "tcg";
2703 }
2704
2705 while (!accel_initialised && *p != '\0') {
2706 if (*p == ':') {
2707 p++;
2708 }
2709 p = get_opt_name(buf, sizeof (buf), p, ':');
2710 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2711 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2712 if (!accel_list[i].available()) {
2713 printf("%s not supported for this target\n",
2714 accel_list[i].name);
2715 break;
2716 }
2717 *(accel_list[i].allowed) = true;
2718 ret = accel_list[i].init(mc);
2719 if (ret < 0) {
2720 init_failed = true;
2721 fprintf(stderr, "failed to initialize %s: %s\n",
2722 accel_list[i].name,
2723 strerror(-ret));
2724 *(accel_list[i].allowed) = false;
2725 } else {
2726 accel_initialised = true;
2727 }
2728 break;
2729 }
2730 }
2731 if (i == ARRAY_SIZE(accel_list)) {
2732 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2733 }
2734 }
2735
2736 if (!accel_initialised) {
2737 if (!init_failed) {
2738 fprintf(stderr, "No accelerator found!\n");
2739 }
2740 exit(1);
2741 }
2742
2743 if (init_failed) {
2744 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2745 }
2746
2747 return !accel_initialised;
2748 }
2749
2750 void qemu_add_exit_notifier(Notifier *notify)
2751 {
2752 notifier_list_add(&exit_notifiers, notify);
2753 }
2754
2755 void qemu_remove_exit_notifier(Notifier *notify)
2756 {
2757 notifier_remove(notify);
2758 }
2759
2760 static void qemu_run_exit_notifiers(void)
2761 {
2762 notifier_list_notify(&exit_notifiers, NULL);
2763 }
2764
2765 void qemu_add_machine_init_done_notifier(Notifier *notify)
2766 {
2767 notifier_list_add(&machine_init_done_notifiers, notify);
2768 }
2769
2770 static void qemu_run_machine_init_done_notifiers(void)
2771 {
2772 notifier_list_notify(&machine_init_done_notifiers, NULL);
2773 }
2774
2775 static const QEMUOption *lookup_opt(int argc, char **argv,
2776 const char **poptarg, int *poptind)
2777 {
2778 const QEMUOption *popt;
2779 int optind = *poptind;
2780 char *r = argv[optind];
2781 const char *optarg;
2782
2783 loc_set_cmdline(argv, optind, 1);
2784 optind++;
2785 /* Treat --foo the same as -foo. */
2786 if (r[1] == '-')
2787 r++;
2788 popt = qemu_options;
2789 for(;;) {
2790 if (!popt->name) {
2791 error_report("invalid option");
2792 exit(1);
2793 }
2794 if (!strcmp(popt->name, r + 1))
2795 break;
2796 popt++;
2797 }
2798 if (popt->flags & HAS_ARG) {
2799 if (optind >= argc) {
2800 error_report("requires an argument");
2801 exit(1);
2802 }
2803 optarg = argv[optind++];
2804 loc_set_cmdline(argv, optind - 2, 2);
2805 } else {
2806 optarg = NULL;
2807 }
2808
2809 *poptarg = optarg;
2810 *poptind = optind;
2811
2812 return popt;
2813 }
2814
2815 static gpointer malloc_and_trace(gsize n_bytes)
2816 {
2817 void *ptr = malloc(n_bytes);
2818 trace_g_malloc(n_bytes, ptr);
2819 return ptr;
2820 }
2821
2822 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2823 {
2824 void *ptr = realloc(mem, n_bytes);
2825 trace_g_realloc(mem, n_bytes, ptr);
2826 return ptr;
2827 }
2828
2829 static void free_and_trace(gpointer mem)
2830 {
2831 trace_g_free(mem);
2832 free(mem);
2833 }
2834
2835 static int object_set_property(const char *name, const char *value, void *opaque)
2836 {
2837 Object *obj = OBJECT(opaque);
2838 StringInputVisitor *siv;
2839 Error *local_err = NULL;
2840 char *c, *qom_name;
2841
2842 if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0 ||
2843 strcmp(name, "type") == 0) {
2844 return 0;
2845 }
2846
2847 qom_name = g_strdup(name);
2848 c = qom_name;
2849 while (*c++) {
2850 if (*c == '_') {
2851 *c = '-';
2852 }
2853 }
2854
2855 siv = string_input_visitor_new(value);
2856 object_property_set(obj, string_input_get_visitor(siv), qom_name, &local_err);
2857 string_input_visitor_cleanup(siv);
2858 g_free(qom_name);
2859
2860 if (local_err) {
2861 qerror_report_err(local_err);
2862 error_free(local_err);
2863 return -1;
2864 }
2865
2866 return 0;
2867 }
2868
2869 static int object_create(QemuOpts *opts, void *opaque)
2870 {
2871 Error *err = NULL;
2872 char *type = NULL;
2873 char *id = NULL;
2874 void *dummy = NULL;
2875 OptsVisitor *ov;
2876 QDict *pdict;
2877
2878 ov = opts_visitor_new(opts);
2879 pdict = qemu_opts_to_qdict(opts, NULL);
2880
2881 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2882 if (err) {
2883 goto out;
2884 }
2885
2886 qdict_del(pdict, "qom-type");
2887 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2888 if (err) {
2889 goto out;
2890 }
2891
2892 qdict_del(pdict, "id");
2893 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2894 if (err) {
2895 goto out;
2896 }
2897
2898 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2899 if (err) {
2900 goto out;
2901 }
2902 visit_end_struct(opts_get_visitor(ov), &err);
2903 if (err) {
2904 qmp_object_del(id, NULL);
2905 }
2906
2907 out:
2908 opts_visitor_cleanup(ov);
2909
2910 QDECREF(pdict);
2911 g_free(id);
2912 g_free(type);
2913 g_free(dummy);
2914 if (err) {
2915 qerror_report_err(err);
2916 return -1;
2917 }
2918 return 0;
2919 }
2920
2921 int main(int argc, char **argv, char **envp)
2922 {
2923 int i;
2924 int snapshot, linux_boot;
2925 const char *initrd_filename;
2926 const char *kernel_filename, *kernel_cmdline;
2927 const char *boot_order;
2928 DisplayState *ds;
2929 int cyls, heads, secs, translation;
2930 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2931 QemuOptsList *olist;
2932 int optind;
2933 const char *optarg;
2934 const char *loadvm = NULL;
2935 MachineClass *machine_class;
2936 const char *cpu_model;
2937 const char *vga_model = NULL;
2938 const char *qtest_chrdev = NULL;
2939 const char *qtest_log = NULL;
2940 const char *pid_file = NULL;
2941 const char *incoming = NULL;
2942 #ifdef CONFIG_VNC
2943 int show_vnc_port = 0;
2944 #endif
2945 bool defconfig = true;
2946 bool userconfig = true;
2947 const char *log_mask = NULL;
2948 const char *log_file = NULL;
2949 GMemVTable mem_trace = {
2950 .malloc = malloc_and_trace,
2951 .realloc = realloc_and_trace,
2952 .free = free_and_trace,
2953 };
2954 const char *trace_events = NULL;
2955 const char *trace_file = NULL;
2956 const ram_addr_t default_ram_size = (ram_addr_t)DEFAULT_RAM_SIZE *
2957 1024 * 1024;
2958 ram_addr_t maxram_size = default_ram_size;
2959 uint64_t ram_slots = 0;
2960 FILE *vmstate_dump_file = NULL;
2961
2962 atexit(qemu_run_exit_notifiers);
2963 error_set_progname(argv[0]);
2964 qemu_init_exec_dir(argv[0]);
2965
2966 g_mem_set_vtable(&mem_trace);
2967
2968 module_call_init(MODULE_INIT_QOM);
2969
2970 qemu_add_opts(&qemu_drive_opts);
2971 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2972 qemu_add_drive_opts(&qemu_common_drive_opts);
2973 qemu_add_drive_opts(&qemu_drive_opts);
2974 qemu_add_opts(&qemu_chardev_opts);
2975 qemu_add_opts(&qemu_device_opts);
2976 qemu_add_opts(&qemu_netdev_opts);
2977 qemu_add_opts(&qemu_net_opts);
2978 qemu_add_opts(&qemu_rtc_opts);
2979 qemu_add_opts(&qemu_global_opts);
2980 qemu_add_opts(&qemu_mon_opts);
2981 qemu_add_opts(&qemu_trace_opts);
2982 qemu_add_opts(&qemu_option_rom_opts);
2983 qemu_add_opts(&qemu_machine_opts);
2984 qemu_add_opts(&qemu_mem_opts);
2985 qemu_add_opts(&qemu_smp_opts);
2986 qemu_add_opts(&qemu_boot_opts);
2987 qemu_add_opts(&qemu_sandbox_opts);
2988 qemu_add_opts(&qemu_add_fd_opts);
2989 qemu_add_opts(&qemu_object_opts);
2990 qemu_add_opts(&qemu_tpmdev_opts);
2991 qemu_add_opts(&qemu_realtime_opts);
2992 qemu_add_opts(&qemu_msg_opts);
2993 qemu_add_opts(&qemu_name_opts);
2994 qemu_add_opts(&qemu_numa_opts);
2995 qemu_add_opts(&qemu_icount_opts);
2996
2997 runstate_init();
2998
2999 rtc_clock = QEMU_CLOCK_HOST;
3000
3001 QLIST_INIT (&vm_change_state_head);
3002 os_setup_early_signal_handling();
3003
3004 module_call_init(MODULE_INIT_MACHINE);
3005 machine_class = find_default_machine();
3006 cpu_model = NULL;
3007 ram_size = default_ram_size;
3008 snapshot = 0;
3009 cyls = heads = secs = 0;
3010 translation = BIOS_ATA_TRANSLATION_AUTO;
3011
3012 for (i = 0; i < MAX_NODES; i++) {
3013 numa_info[i].node_mem = 0;
3014 numa_info[i].present = false;
3015 bitmap_zero(numa_info[i].node_cpu, MAX_CPUMASK_BITS);
3016 }
3017
3018 nb_numa_nodes = 0;
3019 max_numa_nodeid = 0;
3020 nb_nics = 0;
3021
3022 bdrv_init_with_whitelist();
3023
3024 autostart = 1;
3025
3026 /* first pass of option parsing */
3027 optind = 1;
3028 while (optind < argc) {
3029 if (argv[optind][0] != '-') {
3030 /* disk image */
3031 optind++;
3032 } else {
3033 const QEMUOption *popt;
3034
3035 popt = lookup_opt(argc, argv, &optarg, &optind);
3036 switch (popt->index) {
3037 case QEMU_OPTION_nodefconfig:
3038 defconfig = false;
3039 break;
3040 case QEMU_OPTION_nouserconfig:
3041 userconfig = false;
3042 break;
3043 }
3044 }
3045 }
3046
3047 if (defconfig) {
3048 int ret;
3049 ret = qemu_read_default_config_files(userconfig);
3050 if (ret < 0) {
3051 exit(1);
3052 }
3053 }
3054
3055 /* second pass of option parsing */
3056 optind = 1;
3057 for(;;) {
3058 if (optind >= argc)
3059 break;
3060 if (argv[optind][0] != '-') {
3061 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3062 } else {
3063 const QEMUOption *popt;
3064
3065 popt = lookup_opt(argc, argv, &optarg, &optind);
3066 if (!(popt->arch_mask & arch_type)) {
3067 printf("Option %s not supported for this target\n", popt->name);
3068 exit(1);
3069 }
3070 switch(popt->index) {
3071 case QEMU_OPTION_M:
3072 machine_class = machine_parse(optarg);
3073 break;
3074 case QEMU_OPTION_no_kvm_irqchip: {
3075 olist = qemu_find_opts("machine");
3076 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
3077 break;
3078 }
3079 case QEMU_OPTION_cpu:
3080 /* hw initialization will check this */
3081 cpu_model = optarg;
3082 break;
3083 case QEMU_OPTION_hda:
3084 {
3085 char buf[256];
3086 if (cyls == 0)
3087 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3088 else
3089 snprintf(buf, sizeof(buf),
3090 "%s,cyls=%d,heads=%d,secs=%d%s",
3091 HD_OPTS , cyls, heads, secs,
3092 translation == BIOS_ATA_TRANSLATION_LBA ?
3093 ",trans=lba" :
3094 translation == BIOS_ATA_TRANSLATION_NONE ?
3095 ",trans=none" : "");
3096 drive_add(IF_DEFAULT, 0, optarg, buf);
3097 break;
3098 }
3099 case QEMU_OPTION_hdb:
3100 case QEMU_OPTION_hdc:
3101 case QEMU_OPTION_hdd:
3102 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3103 HD_OPTS);
3104 break;
3105 case QEMU_OPTION_drive:
3106 if (drive_def(optarg) == NULL) {
3107 exit(1);
3108 }
3109 break;
3110 case QEMU_OPTION_set:
3111 if (qemu_set_option(optarg) != 0)
3112 exit(1);
3113 break;
3114 case QEMU_OPTION_global:
3115 if (qemu_global_option(optarg) != 0)
3116 exit(1);
3117 break;
3118 case QEMU_OPTION_mtdblock:
3119 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3120 break;
3121 case QEMU_OPTION_sd:
3122 drive_add(IF_SD, -1, optarg, SD_OPTS);
3123 break;
3124 case QEMU_OPTION_pflash:
3125 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3126 break;
3127 case QEMU_OPTION_snapshot:
3128 snapshot = 1;
3129 break;
3130 case QEMU_OPTION_hdachs:
3131 {
3132 const char *p;
3133 p = optarg;
3134 cyls = strtol(p, (char **)&p, 0);
3135 if (cyls < 1 || cyls > 16383)
3136 goto chs_fail;
3137 if (*p != ',')
3138 goto chs_fail;
3139 p++;
3140 heads = strtol(p, (char **)&p, 0);
3141 if (heads < 1 || heads > 16)
3142 goto chs_fail;
3143 if (*p != ',')
3144 goto chs_fail;
3145 p++;
3146 secs = strtol(p, (char **)&p, 0);
3147 if (secs < 1 || secs > 63)
3148 goto chs_fail;
3149 if (*p == ',') {
3150 p++;
3151 if (!strcmp(p, "large")) {
3152 translation = BIOS_ATA_TRANSLATION_LARGE;
3153 } else if (!strcmp(p, "rechs")) {
3154 translation = BIOS_ATA_TRANSLATION_RECHS;
3155 } else if (!strcmp(p, "none")) {
3156 translation = BIOS_ATA_TRANSLATION_NONE;
3157 } else if (!strcmp(p, "lba")) {
3158 translation = BIOS_ATA_TRANSLATION_LBA;
3159 } else if (!strcmp(p, "auto")) {
3160 translation = BIOS_ATA_TRANSLATION_AUTO;
3161 } else {
3162 goto chs_fail;
3163 }
3164 } else if (*p != '\0') {
3165 chs_fail:
3166 fprintf(stderr, "qemu: invalid physical CHS format\n");
3167 exit(1);
3168 }
3169 if (hda_opts != NULL) {
3170 char num[16];
3171 snprintf(num, sizeof(num), "%d", cyls);
3172 qemu_opt_set(hda_opts, "cyls", num);
3173 snprintf(num, sizeof(num), "%d", heads);
3174 qemu_opt_set(hda_opts, "heads", num);
3175 snprintf(num, sizeof(num), "%d", secs);
3176 qemu_opt_set(hda_opts, "secs", num);
3177 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3178 qemu_opt_set(hda_opts, "trans", "large");
3179 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3180 qemu_opt_set(hda_opts, "trans", "rechs");
3181 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3182 qemu_opt_set(hda_opts, "trans", "lba");
3183 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3184 qemu_opt_set(hda_opts, "trans", "none");
3185 }
3186 }
3187 }
3188 break;
3189 case QEMU_OPTION_numa:
3190 opts = qemu_opts_parse(qemu_find_opts("numa"), optarg, 1);
3191 if (!opts) {
3192 exit(1);
3193 }
3194 break;
3195 case QEMU_OPTION_display:
3196 display_type = select_display(optarg);
3197 break;
3198 case QEMU_OPTION_nographic:
3199 display_type = DT_NOGRAPHIC;
3200 break;
3201 case QEMU_OPTION_curses:
3202 #ifdef CONFIG_CURSES
3203 display_type = DT_CURSES;
3204 #else
3205 fprintf(stderr, "Curses support is disabled\n");
3206 exit(1);
3207 #endif
3208 break;
3209 case QEMU_OPTION_portrait:
3210 graphic_rotate = 90;
3211 break;
3212 case QEMU_OPTION_rotate:
3213 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3214 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3215 graphic_rotate != 180 && graphic_rotate != 270) {
3216 fprintf(stderr,
3217 "qemu: only 90, 180, 270 deg rotation is available\n");
3218 exit(1);
3219 }
3220 break;
3221 case QEMU_OPTION_kernel:
3222 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3223 break;
3224 case QEMU_OPTION_initrd:
3225 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3226 break;
3227 case QEMU_OPTION_append:
3228 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3229 break;
3230 case QEMU_OPTION_dtb:
3231 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3232 break;
3233 case QEMU_OPTION_cdrom:
3234 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3235 break;
3236 case QEMU_OPTION_boot:
3237 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3238 if (!opts) {
3239 exit(1);
3240 }
3241 break;
3242 case QEMU_OPTION_fda:
3243 case QEMU_OPTION_fdb:
3244 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3245 optarg, FD_OPTS);
3246 break;
3247 case QEMU_OPTION_no_fd_bootchk:
3248 fd_bootchk = 0;
3249 break;
3250 case QEMU_OPTION_netdev:
3251 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3252 exit(1);
3253 }
3254 break;
3255 case QEMU_OPTION_net:
3256 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3257 exit(1);
3258 }
3259 break;
3260 #ifdef CONFIG_LIBISCSI
3261 case QEMU_OPTION_iscsi:
3262 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3263 if (!opts) {
3264 exit(1);
3265 }
3266 break;
3267 #endif
3268 #ifdef CONFIG_SLIRP
3269 case QEMU_OPTION_tftp:
3270 legacy_tftp_prefix = optarg;
3271 break;
3272 case QEMU_OPTION_bootp:
3273 legacy_bootp_filename = optarg;
3274 break;
3275 case QEMU_OPTION_redir:
3276 if (net_slirp_redir(optarg) < 0)
3277 exit(1);
3278 break;
3279 #endif
3280 case QEMU_OPTION_bt:
3281 add_device_config(DEV_BT, optarg);
3282 break;
3283 case QEMU_OPTION_audio_help:
3284 AUD_help ();
3285 exit (0);
3286 break;
3287 case QEMU_OPTION_soundhw:
3288 select_soundhw (optarg);
3289 break;
3290 case QEMU_OPTION_h:
3291 help(0);
3292 break;
3293 case QEMU_OPTION_version:
3294 version();
3295 exit(0);
3296 break;
3297 case QEMU_OPTION_m: {
3298 uint64_t sz;
3299 const char *mem_str;
3300 const char *maxmem_str, *slots_str;
3301
3302 opts = qemu_opts_parse(qemu_find_opts("memory"),
3303 optarg, 1);
3304 if (!opts) {
3305 exit(EXIT_FAILURE);
3306 }
3307
3308 mem_str = qemu_opt_get(opts, "size");
3309 if (!mem_str) {
3310 error_report("invalid -m option, missing 'size' option");
3311 exit(EXIT_FAILURE);
3312 }
3313 if (!*mem_str) {
3314 error_report("missing 'size' option value");
3315 exit(EXIT_FAILURE);
3316 }
3317
3318 sz = qemu_opt_get_size(opts, "size", ram_size);
3319
3320 /* Fix up legacy suffix-less format */
3321 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
3322 uint64_t overflow_check = sz;
3323
3324 sz <<= 20;
3325 if ((sz >> 20) != overflow_check) {
3326 error_report("too large 'size' option value");
3327 exit(EXIT_FAILURE);
3328 }
3329 }
3330
3331 /* backward compatibility behaviour for case "-m 0" */
3332 if (sz == 0) {
3333 sz = default_ram_size;
3334 }
3335
3336 sz = QEMU_ALIGN_UP(sz, 8192);
3337 ram_size = sz;
3338 if (ram_size != sz) {
3339 error_report("ram size too large");
3340 exit(EXIT_FAILURE);
3341 }
3342 maxram_size = ram_size;
3343
3344 maxmem_str = qemu_opt_get(opts, "maxmem");
3345 slots_str = qemu_opt_get(opts, "slots");
3346 if (maxmem_str && slots_str) {
3347 uint64_t slots;
3348
3349 sz = qemu_opt_get_size(opts, "maxmem", 0);
3350 if (sz < ram_size) {
3351 fprintf(stderr, "qemu: invalid -m option value: maxmem "
3352 "(%" PRIu64 ") <= initial memory ("
3353 RAM_ADDR_FMT ")\n", sz, ram_size);
3354 exit(EXIT_FAILURE);
3355 }
3356
3357 slots = qemu_opt_get_number(opts, "slots", 0);
3358 if ((sz > ram_size) && !slots) {
3359 fprintf(stderr, "qemu: invalid -m option value: maxmem "
3360 "(%" PRIu64 ") more than initial memory ("
3361 RAM_ADDR_FMT ") but no hotplug slots where "
3362 "specified\n", sz, ram_size);
3363 exit(EXIT_FAILURE);
3364 }
3365
3366 if ((sz <= ram_size) && slots) {
3367 fprintf(stderr, "qemu: invalid -m option value: %"
3368 PRIu64 " hotplug slots where specified but "
3369 "maxmem (%" PRIu64 ") <= initial memory ("
3370 RAM_ADDR_FMT ")\n", slots, sz, ram_size);
3371 exit(EXIT_FAILURE);
3372 }
3373 maxram_size = sz;
3374 ram_slots = slots;
3375 } else if ((!maxmem_str && slots_str) ||
3376 (maxmem_str && !slots_str)) {
3377 fprintf(stderr, "qemu: invalid -m option value: missing "
3378 "'%s' option\n", slots_str ? "maxmem" : "slots");
3379 exit(EXIT_FAILURE);
3380 }
3381 break;
3382 }
3383 #ifdef CONFIG_TPM
3384 case QEMU_OPTION_tpmdev:
3385 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3386 exit(1);
3387 }
3388 break;
3389 #endif
3390 case QEMU_OPTION_mempath:
3391 mem_path = optarg;
3392 break;
3393 case QEMU_OPTION_mem_prealloc:
3394 mem_prealloc = 1;
3395 break;
3396 case QEMU_OPTION_d:
3397 log_mask = optarg;
3398 break;
3399 case QEMU_OPTION_D:
3400 log_file = optarg;
3401 break;
3402 case QEMU_OPTION_s:
3403 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3404 break;
3405 case QEMU_OPTION_gdb:
3406 add_device_config(DEV_GDB, optarg);
3407 break;
3408 case QEMU_OPTION_L:
3409 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3410 data_dir[data_dir_idx++] = optarg;
3411 }
3412 break;
3413 case QEMU_OPTION_bios:
3414 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg);
3415 break;
3416 case QEMU_OPTION_singlestep:
3417 singlestep = 1;
3418 break;
3419 case QEMU_OPTION_S:
3420 autostart = 0;
3421 break;
3422 case QEMU_OPTION_k:
3423 keyboard_layout = optarg;
3424 break;
3425 case QEMU_OPTION_localtime:
3426 rtc_utc = 0;
3427 break;
3428 case QEMU_OPTION_vga:
3429 vga_model = optarg;
3430 default_vga = 0;
3431 break;
3432 case QEMU_OPTION_g:
3433 {
3434 const char *p;
3435 int w, h, depth;
3436 p = optarg;
3437 w = strtol(p, (char **)&p, 10);
3438 if (w <= 0) {
3439 graphic_error:
3440 fprintf(stderr, "qemu: invalid resolution or depth\n");
3441 exit(1);
3442 }
3443 if (*p != 'x')
3444 goto graphic_error;
3445 p++;
3446 h = strtol(p, (char **)&p, 10);
3447 if (h <= 0)
3448 goto graphic_error;
3449 if (*p == 'x') {
3450 p++;
3451 depth = strtol(p, (char **)&p, 10);
3452 if (depth != 8 && depth != 15 && depth != 16 &&
3453 depth != 24 && depth != 32)
3454 goto graphic_error;
3455 } else if (*p == '\0') {
3456 depth = graphic_depth;
3457 } else {
3458 goto graphic_error;
3459 }
3460
3461 graphic_width = w;
3462 graphic_height = h;
3463 graphic_depth = depth;
3464 }
3465 break;
3466 case QEMU_OPTION_echr:
3467 {
3468 char *r;
3469 term_escape_char = strtol(optarg, &r, 0);
3470 if (r == optarg)
3471 printf("Bad argument to echr\n");
3472 break;
3473 }
3474 case QEMU_OPTION_monitor:
3475 default_monitor = 0;
3476 if (strncmp(optarg, "none", 4)) {
3477 monitor_parse(optarg, "readline");
3478 }
3479 break;
3480 case QEMU_OPTION_qmp:
3481 monitor_parse(optarg, "control");
3482 default_monitor = 0;
3483 break;
3484 case QEMU_OPTION_mon:
3485 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3486 if (!opts) {
3487 exit(1);
3488 }
3489 default_monitor = 0;
3490 break;
3491 case QEMU_OPTION_chardev:
3492 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3493 if (!opts) {
3494 exit(1);
3495 }
3496 break;
3497 case QEMU_OPTION_fsdev:
3498 olist = qemu_find_opts("fsdev");
3499 if (!olist) {
3500 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3501 exit(1);
3502 }
3503 opts = qemu_opts_parse(olist, optarg, 1);
3504 if (!opts) {
3505 exit(1);
3506 }
3507 break;
3508 case QEMU_OPTION_virtfs: {
3509 QemuOpts *fsdev;
3510 QemuOpts *device;
3511 const char *writeout, *sock_fd, *socket;
3512
3513 olist = qemu_find_opts("virtfs");
3514 if (!olist) {
3515 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3516 exit(1);
3517 }
3518 opts = qemu_opts_parse(olist, optarg, 1);
3519 if (!opts) {
3520 exit(1);
3521 }
3522
3523 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3524 qemu_opt_get(opts, "mount_tag") == NULL) {
3525 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3526 exit(1);
3527 }
3528 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3529 qemu_opt_get(opts, "mount_tag"),
3530 1, NULL);
3531 if (!fsdev) {
3532 fprintf(stderr, "duplicate fsdev id: %s\n",
3533 qemu_opt_get(opts, "mount_tag"));
3534 exit(1);
3535 }
3536
3537 writeout = qemu_opt_get(opts, "writeout");
3538 if (writeout) {
3539 #ifdef CONFIG_SYNC_FILE_RANGE
3540 qemu_opt_set(fsdev, "writeout", writeout);
3541 #else
3542 fprintf(stderr, "writeout=immediate not supported on "
3543 "this platform\n");
3544 exit(1);
3545 #endif
3546 }
3547 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3548 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3549 qemu_opt_set(fsdev, "security_model",
3550 qemu_opt_get(opts, "security_model"));
3551 socket = qemu_opt_get(opts, "socket");
3552 if (socket) {
3553 qemu_opt_set(fsdev, "socket", socket);
3554 }
3555 sock_fd = qemu_opt_get(opts, "sock_fd");
3556 if (sock_fd) {
3557 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3558 }
3559
3560 qemu_opt_set_bool(fsdev, "readonly",
3561 qemu_opt_get_bool(opts, "readonly", 0));
3562 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3563 &error_abort);
3564 qemu_opt_set(device, "driver", "virtio-9p-pci");
3565 qemu_opt_set(device, "fsdev",
3566 qemu_opt_get(opts, "mount_tag"));
3567 qemu_opt_set(device, "mount_tag",
3568 qemu_opt_get(opts, "mount_tag"));
3569 break;
3570 }
3571 case QEMU_OPTION_virtfs_synth: {
3572 QemuOpts *fsdev;
3573 QemuOpts *device;
3574
3575 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3576 1, NULL);
3577 if (!fsdev) {
3578 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3579 exit(1);
3580 }
3581 qemu_opt_set(fsdev, "fsdriver", "synth");
3582
3583 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3584 &error_abort);
3585 qemu_opt_set(device, "driver", "virtio-9p-pci");
3586 qemu_opt_set(device, "fsdev", "v_synth");
3587 qemu_opt_set(device, "mount_tag", "v_synth");
3588 break;
3589 }
3590 case QEMU_OPTION_serial:
3591 add_device_config(DEV_SERIAL, optarg);
3592 default_serial = 0;
3593 if (strncmp(optarg, "mon:", 4) == 0) {
3594 default_monitor = 0;
3595 }
3596 break;
3597 case QEMU_OPTION_watchdog:
3598 if (watchdog) {
3599 fprintf(stderr,
3600 "qemu: only one watchdog option may be given\n");
3601 return 1;
3602 }
3603 watchdog = optarg;
3604 break;
3605 case QEMU_OPTION_watchdog_action:
3606 if (select_watchdog_action(optarg) == -1) {
3607 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3608 exit(1);
3609 }
3610 break;
3611 case QEMU_OPTION_virtiocon:
3612 add_device_config(DEV_VIRTCON, optarg);
3613 default_virtcon = 0;
3614 if (strncmp(optarg, "mon:", 4) == 0) {
3615 default_monitor = 0;
3616 }
3617 break;
3618 case QEMU_OPTION_parallel:
3619 add_device_config(DEV_PARALLEL, optarg);
3620 default_parallel = 0;
3621 if (strncmp(optarg, "mon:", 4) == 0) {
3622 default_monitor = 0;
3623 }
3624 break;
3625 case QEMU_OPTION_debugcon:
3626 add_device_config(DEV_DEBUGCON, optarg);
3627 break;
3628 case QEMU_OPTION_loadvm:
3629 loadvm = optarg;
3630 break;
3631 case QEMU_OPTION_full_screen:
3632 full_screen = 1;
3633 break;
3634 case QEMU_OPTION_no_frame:
3635 no_frame = 1;
3636 break;
3637 case QEMU_OPTION_alt_grab:
3638 alt_grab = 1;
3639 break;
3640 case QEMU_OPTION_ctrl_grab:
3641 ctrl_grab = 1;
3642 break;
3643 case QEMU_OPTION_no_quit:
3644 no_quit = 1;
3645 break;
3646 case QEMU_OPTION_sdl:
3647 #ifdef CONFIG_SDL
3648 display_type = DT_SDL;
3649 break;
3650 #else
3651 fprintf(stderr, "SDL support is disabled\n");
3652 exit(1);
3653 #endif
3654 case QEMU_OPTION_pidfile:
3655 pid_file = optarg;
3656 break;
3657 case QEMU_OPTION_win2k_hack:
3658 win2k_install_hack = 1;
3659 break;
3660 case QEMU_OPTION_rtc_td_hack: {
3661 static GlobalProperty slew_lost_ticks[] = {
3662 {
3663 .driver = "mc146818rtc",
3664 .property = "lost_tick_policy",
3665 .value = "slew",
3666 },
3667 { /* end of list */ }
3668 };
3669
3670 qdev_prop_register_global_list(slew_lost_ticks);
3671 break;
3672 }
3673 case QEMU_OPTION_acpitable:
3674 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3675 if (!opts) {
3676 exit(1);
3677 }
3678 do_acpitable_option(opts);
3679 break;
3680 case QEMU_OPTION_smbios:
3681 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3682 if (!opts) {
3683 exit(1);
3684 }
3685 do_smbios_option(opts);
3686 break;
3687 case QEMU_OPTION_enable_kvm:
3688 olist = qemu_find_opts("machine");
3689 qemu_opts_parse(olist, "accel=kvm", 0);
3690 break;
3691 case QEMU_OPTION_machine:
3692 olist = qemu_find_opts("machine");
3693 opts = qemu_opts_parse(olist, optarg, 1);
3694 if (!opts) {
3695 exit(1);
3696 }
3697 optarg = qemu_opt_get(opts, "type");
3698 if (optarg) {
3699 machine_class = machine_parse(optarg);
3700 }
3701 break;
3702 case QEMU_OPTION_no_kvm:
3703 olist = qemu_find_opts("machine");
3704 qemu_opts_parse(olist, "accel=tcg", 0);
3705 break;
3706 case QEMU_OPTION_no_kvm_pit: {
3707 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3708 "separately.\n");
3709 break;
3710 }
3711 case QEMU_OPTION_no_kvm_pit_reinjection: {
3712 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3713 {
3714 .driver = "kvm-pit",
3715 .property = "lost_tick_policy",
3716 .value = "discard",
3717 },
3718 { /* end of list */ }
3719 };
3720
3721 fprintf(stderr, "Warning: option deprecated, use "
3722 "lost_tick_policy property of kvm-pit instead.\n");
3723 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3724 break;
3725 }
3726 case QEMU_OPTION_usb:
3727 olist = qemu_find_opts("machine");
3728 qemu_opts_parse(olist, "usb=on", 0);
3729 break;
3730 case QEMU_OPTION_usbdevice:
3731 olist = qemu_find_opts("machine");
3732 qemu_opts_parse(olist, "usb=on", 0);
3733 add_device_config(DEV_USB, optarg);
3734 break;
3735 case QEMU_OPTION_device:
3736 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3737 exit(1);
3738 }
3739 break;
3740 case QEMU_OPTION_smp:
3741 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3742 exit(1);
3743 }
3744 break;
3745 case QEMU_OPTION_vnc:
3746 #ifdef CONFIG_VNC
3747 display_remote++;
3748 vnc_display = optarg;
3749 #else
3750 fprintf(stderr, "VNC support is disabled\n");
3751 exit(1);
3752 #endif
3753 break;
3754 case QEMU_OPTION_no_acpi:
3755 acpi_enabled = 0;
3756 break;
3757 case QEMU_OPTION_no_hpet:
3758 no_hpet = 1;
3759 break;
3760 case QEMU_OPTION_balloon:
3761 if (balloon_parse(optarg) < 0) {
3762 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3763 exit(1);
3764 }
3765 break;
3766 case QEMU_OPTION_no_reboot:
3767 no_reboot = 1;
3768 break;
3769 case QEMU_OPTION_no_shutdown:
3770 no_shutdown = 1;
3771 break;
3772 case QEMU_OPTION_show_cursor:
3773 cursor_hide = 0;
3774 break;
3775 case QEMU_OPTION_uuid:
3776 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3777 fprintf(stderr, "Fail to parse UUID string."
3778 " Wrong format.\n");
3779 exit(1);
3780 }
3781 qemu_uuid_set = true;
3782 break;
3783 case QEMU_OPTION_option_rom:
3784 if (nb_option_roms >= MAX_OPTION_ROMS) {
3785 fprintf(stderr, "Too many option ROMs\n");
3786 exit(1);
3787 }
3788 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3789 if (!opts) {
3790 exit(1);
3791 }
3792 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3793 option_rom[nb_option_roms].bootindex =
3794 qemu_opt_get_number(opts, "bootindex", -1);
3795 if (!option_rom[nb_option_roms].name) {
3796 fprintf(stderr, "Option ROM file is not specified\n");
3797 exit(1);
3798 }
3799 nb_option_roms++;
3800 break;
3801 case QEMU_OPTION_semihosting:
3802 semihosting_enabled = 1;
3803 break;
3804 case QEMU_OPTION_tdf:
3805 fprintf(stderr, "Warning: user space PIT time drift fix "
3806 "is no longer supported.\n");
3807 break;
3808 case QEMU_OPTION_name:
3809 opts = qemu_opts_parse(qemu_find_opts("name"), optarg, 1);
3810 if (!opts) {
3811 exit(1);
3812 }
3813 break;
3814 case QEMU_OPTION_prom_env:
3815 if (nb_prom_envs >= MAX_PROM_ENVS) {
3816 fprintf(stderr, "Too many prom variables\n");
3817 exit(1);
3818 }
3819 prom_envs[nb_prom_envs] = optarg;
3820 nb_prom_envs++;
3821 break;
3822 case QEMU_OPTION_old_param:
3823 old_param = 1;
3824 break;
3825 case QEMU_OPTION_clock:
3826 /* Clock options no longer exist. Keep this option for
3827 * backward compatibility.
3828 */
3829 break;
3830 case QEMU_OPTION_startdate:
3831 configure_rtc_date_offset(optarg, 1);
3832 break;
3833 case QEMU_OPTION_rtc:
3834 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3835 if (!opts) {
3836 exit(1);
3837 }
3838 configure_rtc(opts);
3839 break;
3840 case QEMU_OPTION_tb_size:
3841 tcg_tb_size = strtol(optarg, NULL, 0);
3842 if (tcg_tb_size < 0) {
3843 tcg_tb_size = 0;
3844 }
3845 break;
3846 case QEMU_OPTION_icount:
3847 icount_opts = qemu_opts_parse(qemu_find_opts("icount"),
3848 optarg, 1);
3849 if (!icount_opts) {
3850 exit(1);
3851 }
3852 break;
3853 case QEMU_OPTION_incoming:
3854 incoming = optarg;
3855 runstate_set(RUN_STATE_INMIGRATE);
3856 break;
3857 case QEMU_OPTION_nodefaults:
3858 has_defaults = 0;
3859 break;
3860 case QEMU_OPTION_xen_domid:
3861 if (!(xen_available())) {
3862 printf("Option %s not supported for this target\n", popt->name);
3863 exit(1);
3864 }
3865 xen_domid = atoi(optarg);
3866 break;
3867 case QEMU_OPTION_xen_create:
3868 if (!(xen_available())) {
3869 printf("Option %s not supported for this target\n", popt->name);
3870 exit(1);
3871 }
3872 xen_mode = XEN_CREATE;
3873 break;
3874 case QEMU_OPTION_xen_attach:
3875 if (!(xen_available())) {
3876 printf("Option %s not supported for this target\n", popt->name);
3877 exit(1);
3878 }
3879 xen_mode = XEN_ATTACH;
3880 break;
3881 case QEMU_OPTION_trace:
3882 {
3883 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3884 if (!opts) {
3885 exit(1);
3886 }
3887 trace_events = qemu_opt_get(opts, "events");
3888 trace_file = qemu_opt_get(opts, "file");
3889 break;
3890 }
3891 case QEMU_OPTION_readconfig:
3892 {
3893 int ret = qemu_read_config_file(optarg);
3894 if (ret < 0) {
3895 fprintf(stderr, "read config %s: %s\n", optarg,
3896 strerror(-ret));
3897 exit(1);
3898 }
3899 break;
3900 }
3901 case QEMU_OPTION_spice:
3902 olist = qemu_find_opts("spice");
3903 if (!olist) {
3904 fprintf(stderr, "spice is not supported by this qemu build.\n");
3905 exit(1);
3906 }
3907 opts = qemu_opts_parse(olist, optarg, 0);
3908 if (!opts) {
3909 exit(1);
3910 }
3911 display_remote++;
3912 break;
3913 case QEMU_OPTION_writeconfig:
3914 {
3915 FILE *fp;
3916 if (strcmp(optarg, "-") == 0) {
3917 fp = stdout;
3918 } else {
3919 fp = fopen(optarg, "w");
3920 if (fp == NULL) {
3921 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3922 exit(1);
3923 }
3924 }
3925 qemu_config_write(fp);
3926 if (fp != stdout) {
3927 fclose(fp);
3928 }
3929 break;
3930 }
3931 case QEMU_OPTION_qtest:
3932 qtest_chrdev = optarg;
3933 break;
3934 case QEMU_OPTION_qtest_log:
3935 qtest_log = optarg;
3936 break;
3937 case QEMU_OPTION_sandbox:
3938 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3939 if (!opts) {
3940 exit(1);
3941 }
3942 break;
3943 case QEMU_OPTION_add_fd:
3944 #ifndef _WIN32
3945 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3946 if (!opts) {
3947 exit(1);
3948 }
3949 #else
3950 error_report("File descriptor passing is disabled on this "
3951 "platform");
3952 exit(1);
3953 #endif
3954 break;
3955 case QEMU_OPTION_object:
3956 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3957 if (!opts) {
3958 exit(1);
3959 }
3960 break;
3961 case QEMU_OPTION_realtime:
3962 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3963 if (!opts) {
3964 exit(1);
3965 }
3966 configure_realtime(opts);
3967 break;
3968 case QEMU_OPTION_msg:
3969 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3970 if (!opts) {
3971 exit(1);
3972 }
3973 configure_msg(opts);
3974 break;
3975 case QEMU_OPTION_dump_vmstate:
3976 vmstate_dump_file = fopen(optarg, "w");
3977 if (vmstate_dump_file == NULL) {
3978 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3979 exit(1);
3980 }
3981 break;
3982 default:
3983 os_parse_cmd_args(popt->index, optarg);
3984 }
3985 }
3986 }
3987 loc_set_none();
3988
3989 os_daemonize();
3990
3991 if (qemu_init_main_loop()) {
3992 fprintf(stderr, "qemu_init_main_loop failed\n");
3993 exit(1);
3994 }
3995
3996 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3997 exit(1);
3998 }
3999
4000 if (qemu_opts_foreach(qemu_find_opts("name"), parse_name, NULL, 1)) {
4001 exit(1);
4002 }
4003
4004 #ifndef _WIN32
4005 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
4006 exit(1);
4007 }
4008
4009 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
4010 exit(1);
4011 }
4012 #endif
4013
4014 if (machine_class == NULL) {
4015 fprintf(stderr, "No machine specified, and there is no default.\n"
4016 "Use -machine help to list supported machines!\n");
4017 exit(1);
4018 }
4019
4020 current_machine = MACHINE(object_new(object_class_get_name(
4021 OBJECT_CLASS(machine_class))));
4022 object_property_add_child(object_get_root(), "machine",
4023 OBJECT(current_machine), &error_abort);
4024 cpu_exec_init_all();
4025
4026 if (machine_class->hw_version) {
4027 qemu_set_version(machine_class->hw_version);
4028 }
4029
4030 if (qemu_opts_foreach(qemu_find_opts("object"),
4031 object_create, NULL, 0) != 0) {
4032 exit(1);
4033 }
4034
4035 /* Init CPU def lists, based on config
4036 * - Must be called after all the qemu_read_config_file() calls
4037 * - Must be called before list_cpus()
4038 * - Must be called before machine->init()
4039 */
4040 cpudef_init();
4041
4042 if (cpu_model && is_help_option(cpu_model)) {
4043 list_cpus(stdout, &fprintf, cpu_model);
4044 exit(0);
4045 }
4046
4047 /* Open the logfile at this point, if necessary. We can't open the logfile
4048 * when encountering either of the logging options (-d or -D) because the
4049 * other one may be encountered later on the command line, changing the
4050 * location or level of logging.
4051 */
4052 if (log_mask) {
4053 int mask;
4054 if (log_file) {
4055 qemu_set_log_filename(log_file);
4056 }
4057
4058 mask = qemu_str_to_log_mask(log_mask);
4059 if (!mask) {
4060 qemu_print_log_usage(stdout);
4061 exit(1);
4062 }
4063 qemu_set_log(mask);
4064 }
4065
4066 if (!is_daemonized()) {
4067 if (!trace_init_backends(trace_events, trace_file)) {
4068 exit(1);
4069 }
4070 }
4071
4072 /* If no data_dir is specified then try to find it relative to the
4073 executable path. */
4074 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4075 data_dir[data_dir_idx] = os_find_datadir();
4076 if (data_dir[data_dir_idx] != NULL) {
4077 data_dir_idx++;
4078 }
4079 }
4080 /* If all else fails use the install path specified when building. */
4081 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4082 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4083 }
4084
4085 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4086
4087 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4088 if (smp_cpus > machine_class->max_cpus) {
4089 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
4090 "supported by machine `%s' (%d)\n", smp_cpus,
4091 machine_class->name, machine_class->max_cpus);
4092 exit(1);
4093 }
4094
4095 /*
4096 * Get the default machine options from the machine if it is not already
4097 * specified either by the configuration file or by the command line.
4098 */
4099 if (machine_class->default_machine_opts) {
4100 qemu_opts_set_defaults(qemu_find_opts("machine"),
4101 machine_class->default_machine_opts, 0);
4102 }
4103
4104 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
4105 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
4106
4107 if (!vga_model && !default_vga) {
4108 vga_interface_type = VGA_DEVICE;
4109 }
4110 if (!has_defaults || machine_class->no_serial) {
4111 default_serial = 0;
4112 }
4113 if (!has_defaults || machine_class->no_parallel) {
4114 default_parallel = 0;
4115 }
4116 if (!has_defaults || !machine_class->use_virtcon) {
4117 default_virtcon = 0;
4118 }
4119 if (!has_defaults || !machine_class->use_sclp) {
4120 default_sclp = 0;
4121 }
4122 if (!has_defaults || machine_class->no_floppy) {
4123 default_floppy = 0;
4124 }
4125 if (!has_defaults || machine_class->no_cdrom) {
4126 default_cdrom = 0;
4127 }
4128 if (!has_defaults || machine_class->no_sdcard) {
4129 default_sdcard = 0;
4130 }
4131 if (!has_defaults) {
4132 default_monitor = 0;
4133 default_net = 0;
4134 default_vga = 0;
4135 }
4136
4137 if (is_daemonized()) {
4138 /* According to documentation and historically, -nographic redirects
4139 * serial port, parallel port and monitor to stdio, which does not work
4140 * with -daemonize. We can redirect these to null instead, but since
4141 * -nographic is legacy, let's just error out.
4142 * We disallow -nographic only if all other ports are not redirected
4143 * explicitly, to not break existing legacy setups which uses
4144 * -nographic _and_ redirects all ports explicitly - this is valid
4145 * usage, -nographic is just a no-op in this case.
4146 */
4147 if (display_type == DT_NOGRAPHIC
4148 && (default_parallel || default_serial
4149 || default_monitor || default_virtcon)) {
4150 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4151 exit(1);
4152 }
4153 #ifdef CONFIG_CURSES
4154 if (display_type == DT_CURSES) {
4155 fprintf(stderr, "curses display can not be used with -daemonize\n");
4156 exit(1);
4157 }
4158 #endif
4159 }
4160
4161 if (display_type == DT_NOGRAPHIC) {
4162 if (default_parallel)
4163 add_device_config(DEV_PARALLEL, "null");
4164 if (default_serial && default_monitor) {
4165 add_device_config(DEV_SERIAL, "mon:stdio");
4166 } else if (default_virtcon && default_monitor) {
4167 add_device_config(DEV_VIRTCON, "mon:stdio");
4168 } else if (default_sclp && default_monitor) {
4169 add_device_config(DEV_SCLP, "mon:stdio");
4170 } else {
4171 if (default_serial)
4172 add_device_config(DEV_SERIAL, "stdio");
4173 if (default_virtcon)
4174 add_device_config(DEV_VIRTCON, "stdio");
4175 if (default_sclp) {
4176 add_device_config(DEV_SCLP, "stdio");
4177 }
4178 if (default_monitor)
4179 monitor_parse("stdio", "readline");
4180 }
4181 } else {
4182 if (default_serial)
4183 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4184 if (default_parallel)
4185 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4186 if (default_monitor)
4187 monitor_parse("vc:80Cx24C", "readline");
4188 if (default_virtcon)
4189 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4190 if (default_sclp) {
4191 add_device_config(DEV_SCLP, "vc:80Cx24C");
4192 }
4193 }
4194
4195 if (display_type == DT_DEFAULT && !display_remote) {
4196 #if defined(CONFIG_GTK)
4197 display_type = DT_GTK;
4198 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4199 display_type = DT_SDL;
4200 #elif defined(CONFIG_VNC)
4201 vnc_display = "localhost:0,to=99";
4202 show_vnc_port = 1;
4203 #else
4204 display_type = DT_NONE;
4205 #endif
4206 }
4207
4208 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4209 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4210 "for SDL, ignoring option\n");
4211 }
4212 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4213 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4214 "ignoring option\n");
4215 }
4216
4217 #if defined(CONFIG_GTK)
4218 if (display_type == DT_GTK) {
4219 early_gtk_display_init();
4220 }
4221 #endif
4222
4223 socket_init();
4224
4225 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4226 exit(1);
4227 #ifdef CONFIG_VIRTFS
4228 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4229 exit(1);
4230 }
4231 #endif
4232
4233 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4234 os_pidfile_error();
4235 exit(1);
4236 }
4237
4238 /* store value for the future use */
4239 qemu_opt_set_number(qemu_find_opts_singleton("memory"), "size", ram_size);
4240
4241 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4242 != 0) {
4243 exit(0);
4244 }
4245
4246 machine_opts = qemu_get_machine_opts();
4247 if (qemu_opt_foreach(machine_opts, object_set_property, current_machine,
4248 1) < 0) {
4249 object_unref(OBJECT(current_machine));
4250 exit(1);
4251 }
4252
4253 configure_accelerator(machine_class);
4254
4255 if (qtest_chrdev) {
4256 Error *local_err = NULL;
4257 qtest_init(qtest_chrdev, qtest_log, &local_err);
4258 if (local_err) {
4259 error_report("%s", error_get_pretty(local_err));
4260 error_free(local_err);
4261 exit(1);
4262 }
4263 }
4264
4265 machine_opts = qemu_get_machine_opts();
4266 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4267 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4268 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4269 bios_name = qemu_opt_get(machine_opts, "firmware");
4270
4271 boot_order = machine_class->default_boot_order;
4272 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4273 if (opts) {
4274 char *normal_boot_order;
4275 const char *order, *once;
4276
4277 order = qemu_opt_get(opts, "order");
4278 if (order) {
4279 validate_bootdevices(order);
4280 boot_order = order;
4281 }
4282
4283 once = qemu_opt_get(opts, "once");
4284 if (once) {
4285 validate_bootdevices(once);
4286 normal_boot_order = g_strdup(boot_order);
4287 boot_order = once;
4288 qemu_register_reset(restore_boot_order, normal_boot_order);
4289 }
4290
4291 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4292 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4293 }
4294
4295 if (!kernel_cmdline) {
4296 kernel_cmdline = "";
4297 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4298 }
4299
4300 linux_boot = (kernel_filename != NULL);
4301
4302 if (!linux_boot && *kernel_cmdline != '\0') {
4303 fprintf(stderr, "-append only allowed with -kernel option\n");
4304 exit(1);
4305 }
4306
4307 if (!linux_boot && initrd_filename != NULL) {
4308 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4309 exit(1);
4310 }
4311
4312 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4313 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4314 exit(1);
4315 }
4316
4317 os_set_line_buffering();
4318
4319 qemu_init_cpu_loop();
4320 qemu_mutex_lock_iothread();
4321
4322 #ifdef CONFIG_SPICE
4323 /* spice needs the timers to be initialized by this point */
4324 qemu_spice_init();
4325 #endif
4326
4327 if (icount_opts) {
4328 if (kvm_enabled() || xen_enabled()) {
4329 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4330 exit(1);
4331 }
4332 configure_icount(icount_opts, &error_abort);
4333 qemu_opts_del(icount_opts);
4334 }
4335
4336 /* clean up network at qemu process termination */
4337 atexit(&net_cleanup);
4338
4339 if (net_init_clients() < 0) {
4340 exit(1);
4341 }
4342
4343 #ifdef CONFIG_TPM
4344 if (tpm_init() < 0) {
4345 exit(1);
4346 }
4347 #endif
4348
4349 /* init the bluetooth world */
4350 if (foreach_device_config(DEV_BT, bt_parse))
4351 exit(1);
4352
4353 if (!xen_enabled()) {
4354 /* On 32-bit hosts, QEMU is limited by virtual address space */
4355 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4356 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4357 exit(1);
4358 }
4359 }
4360
4361 blk_mig_init();
4362 ram_mig_init();
4363
4364 /* open the virtual block devices */
4365 if (snapshot)
4366 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4367 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4368 &machine_class->block_default_type, 1) != 0) {
4369 exit(1);
4370 }
4371
4372 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4373 CDROM_OPTS);
4374 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4375 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4376
4377 if (qemu_opts_foreach(qemu_find_opts("numa"), numa_init_func,
4378 NULL, 1) != 0) {
4379 exit(1);
4380 }
4381
4382 set_numa_nodes();
4383
4384 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4385 exit(1);
4386 }
4387
4388 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4389 exit(1);
4390 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4391 exit(1);
4392 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4393 exit(1);
4394 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4395 exit(1);
4396 }
4397 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4398 exit(1);
4399
4400 /* If no default VGA is requested, the default is "none". */
4401 if (default_vga) {
4402 if (cirrus_vga_available()) {
4403 vga_model = "cirrus";
4404 } else if (vga_available()) {
4405 vga_model = "std";
4406 }
4407 }
4408 if (vga_model) {
4409 select_vgahw(vga_model);
4410 }
4411
4412 if (watchdog) {
4413 i = select_watchdog(watchdog);
4414 if (i > 0)
4415 exit (i == 1 ? 1 : 0);
4416 }
4417
4418 if (machine_class->compat_props) {
4419 qdev_prop_register_global_list(machine_class->compat_props);
4420 }
4421 qemu_add_globals();
4422
4423 qdev_machine_init();
4424
4425 current_machine->ram_size = ram_size;
4426 current_machine->maxram_size = maxram_size;
4427 current_machine->ram_slots = ram_slots;
4428 current_machine->boot_order = boot_order;
4429 current_machine->cpu_model = cpu_model;
4430
4431 machine_class->init(current_machine);
4432
4433 audio_init();
4434
4435 cpu_synchronize_all_post_init();
4436
4437 set_numa_modes();
4438
4439 /* init USB devices */
4440 if (usb_enabled(false)) {
4441 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4442 exit(1);
4443 }
4444
4445 /* init generic devices */
4446 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4447 exit(1);
4448
4449 net_check_clients();
4450
4451 ds = init_displaystate();
4452
4453 /* init local displays */
4454 switch (display_type) {
4455 case DT_NOGRAPHIC:
4456 (void)ds; /* avoid warning if no display is configured */
4457 break;
4458 #if defined(CONFIG_CURSES)
4459 case DT_CURSES:
4460 curses_display_init(ds, full_screen);
4461 break;
4462 #endif
4463 #if defined(CONFIG_SDL)
4464 case DT_SDL:
4465 sdl_display_init(ds, full_screen, no_frame);
4466 break;
4467 #elif defined(CONFIG_COCOA)
4468 case DT_SDL:
4469 cocoa_display_init(ds, full_screen);
4470 break;
4471 #endif
4472 #if defined(CONFIG_GTK)
4473 case DT_GTK:
4474 gtk_display_init(ds, full_screen, grab_on_hover);
4475 break;
4476 #endif
4477 default:
4478 break;
4479 }
4480
4481 /* must be after terminal init, SDL library changes signal handlers */
4482 os_setup_signal_handling();
4483
4484 #ifdef CONFIG_VNC
4485 /* init remote displays */
4486 if (vnc_display) {
4487 Error *local_err = NULL;
4488 vnc_display_init(ds);
4489 vnc_display_open(ds, vnc_display, &local_err);
4490 if (local_err != NULL) {
4491 error_report("Failed to start VNC server on `%s': %s",
4492 vnc_display, error_get_pretty(local_err));
4493 error_free(local_err);
4494 exit(1);
4495 }
4496
4497 if (show_vnc_port) {
4498 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4499 }
4500 }
4501 #endif
4502 #ifdef CONFIG_SPICE
4503 if (using_spice) {
4504 qemu_spice_display_init();
4505 }
4506 #endif
4507
4508 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4509 exit(1);
4510 }
4511
4512 qdev_machine_creation_done();
4513
4514 if (rom_load_all() != 0) {
4515 fprintf(stderr, "rom loading failed\n");
4516 exit(1);
4517 }
4518
4519 /* TODO: once all bus devices are qdevified, this should be done
4520 * when bus is created by qdev.c */
4521 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4522 qemu_run_machine_init_done_notifiers();
4523
4524 /* Done notifiers can load ROMs */
4525 rom_load_done();
4526
4527 qemu_system_reset(VMRESET_SILENT);
4528 if (loadvm) {
4529 if (load_vmstate(loadvm) < 0) {
4530 autostart = 0;
4531 }
4532 }
4533
4534 qdev_prop_check_global();
4535 if (vmstate_dump_file) {
4536 /* dump and exit */
4537 dump_vmstate_json_to_file(vmstate_dump_file);
4538 return 0;
4539 }
4540
4541 if (incoming) {
4542 Error *local_err = NULL;
4543 qemu_start_incoming_migration(incoming, &local_err);
4544 if (local_err) {
4545 error_report("-incoming %s: %s", incoming,
4546 error_get_pretty(local_err));
4547 error_free(local_err);
4548 exit(1);
4549 }
4550 } else if (autostart) {
4551 vm_start();
4552 }
4553
4554 os_setup_post();
4555
4556 if (is_daemonized()) {
4557 if (!trace_init_backends(trace_events, trace_file)) {
4558 exit(1);
4559 }
4560 }
4561
4562 main_loop();
4563 bdrv_close_all();
4564 pause_all_vcpus();
4565 res_free();
4566 #ifdef CONFIG_TPM
4567 tpm_cleanup();
4568 #endif
4569
4570 return 0;
4571 }
Ray Wang's QEMU Repository