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intel-iommu: add IOTLB using hash table
[qemu/rayw.git] / vl.c
blobcca012a7dec96d2b94b96f2ac7721c99354925c3
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 int icount_align_option;
187 typedef struct FWBootEntry FWBootEntry;
188
189 struct FWBootEntry {
190 QTAILQ_ENTRY(FWBootEntry) link;
191 int32_t bootindex;
192 DeviceState *dev;
193 char *suffix;
194 };
195
196 static QTAILQ_HEAD(, FWBootEntry) fw_boot_order =
197 QTAILQ_HEAD_INITIALIZER(fw_boot_order);
198
199 int nb_numa_nodes;
200 int max_numa_nodeid;
201 NodeInfo numa_info[MAX_NODES];
202
203 uint8_t qemu_uuid[16];
204 bool qemu_uuid_set;
205
206 static QEMUBootSetHandler *boot_set_handler;
207 static void *boot_set_opaque;
208
209 static NotifierList exit_notifiers =
210 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
211
212 static NotifierList machine_init_done_notifiers =
213 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
214
215 static bool tcg_allowed = true;
216 bool xen_allowed;
217 uint32_t xen_domid;
218 enum xen_mode xen_mode = XEN_EMULATE;
219 static int tcg_tb_size;
220
221 static int has_defaults = 1;
222 static int default_serial = 1;
223 static int default_parallel = 1;
224 static int default_virtcon = 1;
225 static int default_sclp = 1;
226 static int default_monitor = 1;
227 static int default_floppy = 1;
228 static int default_cdrom = 1;
229 static int default_sdcard = 1;
230 static int default_vga = 1;
231
232 static struct {
233 const char *driver;
234 int *flag;
235 } default_list[] = {
236 { .driver = "isa-serial", .flag = &default_serial },
237 { .driver = "isa-parallel", .flag = &default_parallel },
238 { .driver = "isa-fdc", .flag = &default_floppy },
239 { .driver = "ide-cd", .flag = &default_cdrom },
240 { .driver = "ide-hd", .flag = &default_cdrom },
241 { .driver = "ide-drive", .flag = &default_cdrom },
242 { .driver = "scsi-cd", .flag = &default_cdrom },
243 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
244 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
245 { .driver = "virtio-serial", .flag = &default_virtcon },
246 { .driver = "VGA", .flag = &default_vga },
247 { .driver = "isa-vga", .flag = &default_vga },
248 { .driver = "cirrus-vga", .flag = &default_vga },
249 { .driver = "isa-cirrus-vga", .flag = &default_vga },
250 { .driver = "vmware-svga", .flag = &default_vga },
251 { .driver = "qxl-vga", .flag = &default_vga },
252 };
253
254 static QemuOptsList qemu_rtc_opts = {
255 .name = "rtc",
256 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
257 .desc = {
258 {
259 .name = "base",
260 .type = QEMU_OPT_STRING,
261 },{
262 .name = "clock",
263 .type = QEMU_OPT_STRING,
264 },{
265 .name = "driftfix",
266 .type = QEMU_OPT_STRING,
267 },
268 { /* end of list */ }
269 },
270 };
271
272 static QemuOptsList qemu_sandbox_opts = {
273 .name = "sandbox",
274 .implied_opt_name = "enable",
275 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
276 .desc = {
277 {
278 .name = "enable",
279 .type = QEMU_OPT_BOOL,
280 },
281 { /* end of list */ }
282 },
283 };
284
285 static QemuOptsList qemu_trace_opts = {
286 .name = "trace",
287 .implied_opt_name = "trace",
288 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
289 .desc = {
290 {
291 .name = "events",
292 .type = QEMU_OPT_STRING,
293 },{
294 .name = "file",
295 .type = QEMU_OPT_STRING,
296 },
297 { /* end of list */ }
298 },
299 };
300
301 static QemuOptsList qemu_option_rom_opts = {
302 .name = "option-rom",
303 .implied_opt_name = "romfile",
304 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
305 .desc = {
306 {
307 .name = "bootindex",
308 .type = QEMU_OPT_NUMBER,
309 }, {
310 .name = "romfile",
311 .type = QEMU_OPT_STRING,
312 },
313 { /* end of list */ }
314 },
315 };
316
317 static QemuOptsList qemu_machine_opts = {
318 .name = "machine",
319 .implied_opt_name = "type",
320 .merge_lists = true,
321 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
322 .desc = {
323 {
324 .name = "type",
325 .type = QEMU_OPT_STRING,
326 .help = "emulated machine"
327 }, {
328 .name = "accel",
329 .type = QEMU_OPT_STRING,
330 .help = "accelerator list",
331 }, {
332 .name = "kernel_irqchip",
333 .type = QEMU_OPT_BOOL,
334 .help = "use KVM in-kernel irqchip",
335 }, {
336 .name = "kvm_shadow_mem",
337 .type = QEMU_OPT_SIZE,
338 .help = "KVM shadow MMU size",
339 }, {
340 .name = "kernel",
341 .type = QEMU_OPT_STRING,
342 .help = "Linux kernel image file",
343 }, {
344 .name = "initrd",
345 .type = QEMU_OPT_STRING,
346 .help = "Linux initial ramdisk file",
347 }, {
348 .name = "append",
349 .type = QEMU_OPT_STRING,
350 .help = "Linux kernel command line",
351 }, {
352 .name = "dtb",
353 .type = QEMU_OPT_STRING,
354 .help = "Linux kernel device tree file",
355 }, {
356 .name = "dumpdtb",
357 .type = QEMU_OPT_STRING,
358 .help = "Dump current dtb to a file and quit",
359 }, {
360 .name = "phandle_start",
361 .type = QEMU_OPT_NUMBER,
362 .help = "The first phandle ID we may generate dynamically",
363 }, {
364 .name = "dt_compatible",
365 .type = QEMU_OPT_STRING,
366 .help = "Overrides the \"compatible\" property of the dt root node",
367 }, {
368 .name = "dump-guest-core",
369 .type = QEMU_OPT_BOOL,
370 .help = "Include guest memory in a core dump",
371 }, {
372 .name = "mem-merge",
373 .type = QEMU_OPT_BOOL,
374 .help = "enable/disable memory merge support",
375 },{
376 .name = "usb",
377 .type = QEMU_OPT_BOOL,
378 .help = "Set on/off to enable/disable usb",
379 },{
380 .name = "firmware",
381 .type = QEMU_OPT_STRING,
382 .help = "firmware image",
383 },{
384 .name = "kvm-type",
385 .type = QEMU_OPT_STRING,
386 .help = "Specifies the KVM virtualization mode (HV, PR)",
387 },{
388 .name = PC_MACHINE_MAX_RAM_BELOW_4G,
389 .type = QEMU_OPT_SIZE,
390 .help = "maximum ram below the 4G boundary (32bit boundary)",
391 },{
392 .name = "iommu",
393 .type = QEMU_OPT_BOOL,
394 .help = "Set on/off to enable/disable Intel IOMMU (VT-d)",
395 },
396 { /* End of list */ }
397 },
398 };
399
400 static QemuOptsList qemu_boot_opts = {
401 .name = "boot-opts",
402 .implied_opt_name = "order",
403 .merge_lists = true,
404 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
405 .desc = {
406 {
407 .name = "order",
408 .type = QEMU_OPT_STRING,
409 }, {
410 .name = "once",
411 .type = QEMU_OPT_STRING,
412 }, {
413 .name = "menu",
414 .type = QEMU_OPT_BOOL,
415 }, {
416 .name = "splash",
417 .type = QEMU_OPT_STRING,
418 }, {
419 .name = "splash-time",
420 .type = QEMU_OPT_STRING,
421 }, {
422 .name = "reboot-timeout",
423 .type = QEMU_OPT_STRING,
424 }, {
425 .name = "strict",
426 .type = QEMU_OPT_BOOL,
427 },
428 { /*End of list */ }
429 },
430 };
431
432 static QemuOptsList qemu_add_fd_opts = {
433 .name = "add-fd",
434 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
435 .desc = {
436 {
437 .name = "fd",
438 .type = QEMU_OPT_NUMBER,
439 .help = "file descriptor of which a duplicate is added to fd set",
440 },{
441 .name = "set",
442 .type = QEMU_OPT_NUMBER,
443 .help = "ID of the fd set to add fd to",
444 },{
445 .name = "opaque",
446 .type = QEMU_OPT_STRING,
447 .help = "free-form string used to describe fd",
448 },
449 { /* end of list */ }
450 },
451 };
452
453 static QemuOptsList qemu_object_opts = {
454 .name = "object",
455 .implied_opt_name = "qom-type",
456 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
457 .desc = {
458 { }
459 },
460 };
461
462 static QemuOptsList qemu_tpmdev_opts = {
463 .name = "tpmdev",
464 .implied_opt_name = "type",
465 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
466 .desc = {
467 /* options are defined in the TPM backends */
468 { /* end of list */ }
469 },
470 };
471
472 static QemuOptsList qemu_realtime_opts = {
473 .name = "realtime",
474 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
475 .desc = {
476 {
477 .name = "mlock",
478 .type = QEMU_OPT_BOOL,
479 },
480 { /* end of list */ }
481 },
482 };
483
484 static QemuOptsList qemu_msg_opts = {
485 .name = "msg",
486 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
487 .desc = {
488 {
489 .name = "timestamp",
490 .type = QEMU_OPT_BOOL,
491 },
492 { /* end of list */ }
493 },
494 };
495
496 static QemuOptsList qemu_name_opts = {
497 .name = "name",
498 .implied_opt_name = "guest",
499 .merge_lists = true,
500 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
501 .desc = {
502 {
503 .name = "guest",
504 .type = QEMU_OPT_STRING,
505 .help = "Sets the name of the guest.\n"
506 "This name will be displayed in the SDL window caption.\n"
507 "The name will also be used for the VNC server",
508 }, {
509 .name = "process",
510 .type = QEMU_OPT_STRING,
511 .help = "Sets the name of the QEMU process, as shown in top etc",
512 }, {
513 .name = "debug-threads",
514 .type = QEMU_OPT_BOOL,
515 .help = "When enabled, name the individual threads; defaults off.\n"
516 "NOTE: The thread names are for debugging and not a\n"
517 "stable API.",
518 },
519 { /* End of list */ }
520 },
521 };
522
523 static QemuOptsList qemu_mem_opts = {
524 .name = "memory",
525 .implied_opt_name = "size",
526 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
527 .merge_lists = true,
528 .desc = {
529 {
530 .name = "size",
531 .type = QEMU_OPT_SIZE,
532 },
533 {
534 .name = "slots",
535 .type = QEMU_OPT_NUMBER,
536 },
537 {
538 .name = "maxmem",
539 .type = QEMU_OPT_SIZE,
540 },
541 { /* end of list */ }
542 },
543 };
544
545 static QemuOptsList qemu_icount_opts = {
546 .name = "icount",
547 .implied_opt_name = "shift",
548 .merge_lists = true,
549 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
550 .desc = {
551 {
552 .name = "shift",
553 .type = QEMU_OPT_STRING,
554 }, {
555 .name = "align",
556 .type = QEMU_OPT_BOOL,
557 },
558 { /* end of list */ }
559 },
560 };
561
562 /**
563 * Get machine options
564 *
565 * Returns: machine options (never null).
566 */
567 QemuOpts *qemu_get_machine_opts(void)
568 {
569 return qemu_find_opts_singleton("machine");
570 }
571
572 const char *qemu_get_vm_name(void)
573 {
574 return qemu_name;
575 }
576
577 static void res_free(void)
578 {
579 if (boot_splash_filedata != NULL) {
580 g_free(boot_splash_filedata);
581 boot_splash_filedata = NULL;
582 }
583 }
584
585 static int default_driver_check(QemuOpts *opts, void *opaque)
586 {
587 const char *driver = qemu_opt_get(opts, "driver");
588 int i;
589
590 if (!driver)
591 return 0;
592 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
593 if (strcmp(default_list[i].driver, driver) != 0)
594 continue;
595 *(default_list[i].flag) = 0;
596 }
597 return 0;
598 }
599
600 /***********************************************************/
601 /* QEMU state */
602
603 static RunState current_run_state = RUN_STATE_PRELAUNCH;
604
605 /* We use RUN_STATE_MAX but any invalid value will do */
606 static RunState vmstop_requested = RUN_STATE_MAX;
607 static QemuMutex vmstop_lock;
608
609 typedef struct {
610 RunState from;
611 RunState to;
612 } RunStateTransition;
613
614 static const RunStateTransition runstate_transitions_def[] = {
615 /* from -> to */
616 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
617 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
618
619 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
620 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
621
622 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
623 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
624
625 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
626 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
627
628 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
629 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
630
631 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
632 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
633
634 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
635 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
636 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
637
638 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
639 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
640
641 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
642
643 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
644 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
645 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
646 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
647 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
648 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
649 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
650 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
651 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
652 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
653
654 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
655
656 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
657 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
658
659 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
660 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
661 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
662 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
663
664 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
665 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
666
667 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
668 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
669
670 { RUN_STATE_MAX, RUN_STATE_MAX },
671 };
672
673 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
674
675 bool runstate_check(RunState state)
676 {
677 return current_run_state == state;
678 }
679
680 static void runstate_init(void)
681 {
682 const RunStateTransition *p;
683
684 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
685 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
686 runstate_valid_transitions[p->from][p->to] = true;
687 }
688
689 qemu_mutex_init(&vmstop_lock);
690 }
691
692 /* This function will abort() on invalid state transitions */
693 void runstate_set(RunState new_state)
694 {
695 assert(new_state < RUN_STATE_MAX);
696
697 if (!runstate_valid_transitions[current_run_state][new_state]) {
698 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
699 RunState_lookup[current_run_state],
700 RunState_lookup[new_state]);
701 abort();
702 }
703 trace_runstate_set(new_state);
704 current_run_state = new_state;
705 }
706
707 int runstate_is_running(void)
708 {
709 return runstate_check(RUN_STATE_RUNNING);
710 }
711
712 bool runstate_needs_reset(void)
713 {
714 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
715 runstate_check(RUN_STATE_SHUTDOWN);
716 }
717
718 StatusInfo *qmp_query_status(Error **errp)
719 {
720 StatusInfo *info = g_malloc0(sizeof(*info));
721
722 info->running = runstate_is_running();
723 info->singlestep = singlestep;
724 info->status = current_run_state;
725
726 return info;
727 }
728
729 static bool qemu_vmstop_requested(RunState *r)
730 {
731 qemu_mutex_lock(&vmstop_lock);
732 *r = vmstop_requested;
733 vmstop_requested = RUN_STATE_MAX;
734 qemu_mutex_unlock(&vmstop_lock);
735 return *r < RUN_STATE_MAX;
736 }
737
738 void qemu_system_vmstop_request_prepare(void)
739 {
740 qemu_mutex_lock(&vmstop_lock);
741 }
742
743 void qemu_system_vmstop_request(RunState state)
744 {
745 vmstop_requested = state;
746 qemu_mutex_unlock(&vmstop_lock);
747 qemu_notify_event();
748 }
749
750 void vm_start(void)
751 {
752 RunState requested;
753
754 qemu_vmstop_requested(&requested);
755 if (runstate_is_running() && requested == RUN_STATE_MAX) {
756 return;
757 }
758
759 /* Ensure that a STOP/RESUME pair of events is emitted if a
760 * vmstop request was pending. The BLOCK_IO_ERROR event, for
761 * example, according to documentation is always followed by
762 * the STOP event.
763 */
764 if (runstate_is_running()) {
765 qapi_event_send_stop(&error_abort);
766 } else {
767 cpu_enable_ticks();
768 runstate_set(RUN_STATE_RUNNING);
769 vm_state_notify(1, RUN_STATE_RUNNING);
770 resume_all_vcpus();
771 }
772
773 qapi_event_send_resume(&error_abort);
774 }
775
776
777 /***********************************************************/
778 /* real time host monotonic timer */
779
780 /***********************************************************/
781 /* host time/date access */
782 void qemu_get_timedate(struct tm *tm, int offset)
783 {
784 time_t ti;
785
786 time(&ti);
787 ti += offset;
788 if (rtc_date_offset == -1) {
789 if (rtc_utc)
790 gmtime_r(&ti, tm);
791 else
792 localtime_r(&ti, tm);
793 } else {
794 ti -= rtc_date_offset;
795 gmtime_r(&ti, tm);
796 }
797 }
798
799 int qemu_timedate_diff(struct tm *tm)
800 {
801 time_t seconds;
802
803 if (rtc_date_offset == -1)
804 if (rtc_utc)
805 seconds = mktimegm(tm);
806 else {
807 struct tm tmp = *tm;
808 tmp.tm_isdst = -1; /* use timezone to figure it out */
809 seconds = mktime(&tmp);
810 }
811 else
812 seconds = mktimegm(tm) + rtc_date_offset;
813
814 return seconds - time(NULL);
815 }
816
817 static void configure_rtc_date_offset(const char *startdate, int legacy)
818 {
819 time_t rtc_start_date;
820 struct tm tm;
821
822 if (!strcmp(startdate, "now") && legacy) {
823 rtc_date_offset = -1;
824 } else {
825 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
826 &tm.tm_year,
827 &tm.tm_mon,
828 &tm.tm_mday,
829 &tm.tm_hour,
830 &tm.tm_min,
831 &tm.tm_sec) == 6) {
832 /* OK */
833 } else if (sscanf(startdate, "%d-%d-%d",
834 &tm.tm_year,
835 &tm.tm_mon,
836 &tm.tm_mday) == 3) {
837 tm.tm_hour = 0;
838 tm.tm_min = 0;
839 tm.tm_sec = 0;
840 } else {
841 goto date_fail;
842 }
843 tm.tm_year -= 1900;
844 tm.tm_mon--;
845 rtc_start_date = mktimegm(&tm);
846 if (rtc_start_date == -1) {
847 date_fail:
848 fprintf(stderr, "Invalid date format. Valid formats are:\n"
849 "'2006-06-17T16:01:21' or '2006-06-17'\n");
850 exit(1);
851 }
852 rtc_date_offset = time(NULL) - rtc_start_date;
853 }
854 }
855
856 static void configure_rtc(QemuOpts *opts)
857 {
858 const char *value;
859
860 value = qemu_opt_get(opts, "base");
861 if (value) {
862 if (!strcmp(value, "utc")) {
863 rtc_utc = 1;
864 } else if (!strcmp(value, "localtime")) {
865 rtc_utc = 0;
866 } else {
867 configure_rtc_date_offset(value, 0);
868 }
869 }
870 value = qemu_opt_get(opts, "clock");
871 if (value) {
872 if (!strcmp(value, "host")) {
873 rtc_clock = QEMU_CLOCK_HOST;
874 } else if (!strcmp(value, "rt")) {
875 rtc_clock = QEMU_CLOCK_REALTIME;
876 } else if (!strcmp(value, "vm")) {
877 rtc_clock = QEMU_CLOCK_VIRTUAL;
878 } else {
879 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
880 exit(1);
881 }
882 }
883 value = qemu_opt_get(opts, "driftfix");
884 if (value) {
885 if (!strcmp(value, "slew")) {
886 static GlobalProperty slew_lost_ticks[] = {
887 {
888 .driver = "mc146818rtc",
889 .property = "lost_tick_policy",
890 .value = "slew",
891 },
892 { /* end of list */ }
893 };
894
895 qdev_prop_register_global_list(slew_lost_ticks);
896 } else if (!strcmp(value, "none")) {
897 /* discard is default */
898 } else {
899 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
900 exit(1);
901 }
902 }
903 }
904
905 /***********************************************************/
906 /* Bluetooth support */
907 static int nb_hcis;
908 static int cur_hci;
909 static struct HCIInfo *hci_table[MAX_NICS];
910
911 struct HCIInfo *qemu_next_hci(void)
912 {
913 if (cur_hci == nb_hcis)
914 return &null_hci;
915
916 return hci_table[cur_hci++];
917 }
918
919 static int bt_hci_parse(const char *str)
920 {
921 struct HCIInfo *hci;
922 bdaddr_t bdaddr;
923
924 if (nb_hcis >= MAX_NICS) {
925 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
926 return -1;
927 }
928
929 hci = hci_init(str);
930 if (!hci)
931 return -1;
932
933 bdaddr.b[0] = 0x52;
934 bdaddr.b[1] = 0x54;
935 bdaddr.b[2] = 0x00;
936 bdaddr.b[3] = 0x12;
937 bdaddr.b[4] = 0x34;
938 bdaddr.b[5] = 0x56 + nb_hcis;
939 hci->bdaddr_set(hci, bdaddr.b);
940
941 hci_table[nb_hcis++] = hci;
942
943 return 0;
944 }
945
946 static void bt_vhci_add(int vlan_id)
947 {
948 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
949
950 if (!vlan->slave)
951 fprintf(stderr, "qemu: warning: adding a VHCI to "
952 "an empty scatternet %i\n", vlan_id);
953
954 bt_vhci_init(bt_new_hci(vlan));
955 }
956
957 static struct bt_device_s *bt_device_add(const char *opt)
958 {
959 struct bt_scatternet_s *vlan;
960 int vlan_id = 0;
961 char *endp = strstr(opt, ",vlan=");
962 int len = (endp ? endp - opt : strlen(opt)) + 1;
963 char devname[10];
964
965 pstrcpy(devname, MIN(sizeof(devname), len), opt);
966
967 if (endp) {
968 vlan_id = strtol(endp + 6, &endp, 0);
969 if (*endp) {
970 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
971 return 0;
972 }
973 }
974
975 vlan = qemu_find_bt_vlan(vlan_id);
976
977 if (!vlan->slave)
978 fprintf(stderr, "qemu: warning: adding a slave device to "
979 "an empty scatternet %i\n", vlan_id);
980
981 if (!strcmp(devname, "keyboard"))
982 return bt_keyboard_init(vlan);
983
984 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
985 return 0;
986 }
987
988 static int bt_parse(const char *opt)
989 {
990 const char *endp, *p;
991 int vlan;
992
993 if (strstart(opt, "hci", &endp)) {
994 if (!*endp || *endp == ',') {
995 if (*endp)
996 if (!strstart(endp, ",vlan=", 0))
997 opt = endp + 1;
998
999 return bt_hci_parse(opt);
1000 }
1001 } else if (strstart(opt, "vhci", &endp)) {
1002 if (!*endp || *endp == ',') {
1003 if (*endp) {
1004 if (strstart(endp, ",vlan=", &p)) {
1005 vlan = strtol(p, (char **) &endp, 0);
1006 if (*endp) {
1007 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
1008 return 1;
1009 }
1010 } else {
1011 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
1012 return 1;
1013 }
1014 } else
1015 vlan = 0;
1016
1017 bt_vhci_add(vlan);
1018 return 0;
1019 }
1020 } else if (strstart(opt, "device:", &endp))
1021 return !bt_device_add(endp);
1022
1023 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
1024 return 1;
1025 }
1026
1027 static int parse_sandbox(QemuOpts *opts, void *opaque)
1028 {
1029 /* FIXME: change this to true for 1.3 */
1030 if (qemu_opt_get_bool(opts, "enable", false)) {
1031 #ifdef CONFIG_SECCOMP
1032 if (seccomp_start() < 0) {
1033 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1034 "failed to install seccomp syscall filter in the kernel");
1035 return -1;
1036 }
1037 #else
1038 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1039 "sandboxing request but seccomp is not compiled into this build");
1040 return -1;
1041 #endif
1042 }
1043
1044 return 0;
1045 }
1046
1047 static int parse_name(QemuOpts *opts, void *opaque)
1048 {
1049 const char *proc_name;
1050
1051 if (qemu_opt_get(opts, "debug-threads")) {
1052 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1053 }
1054 qemu_name = qemu_opt_get(opts, "guest");
1055
1056 proc_name = qemu_opt_get(opts, "process");
1057 if (proc_name) {
1058 os_set_proc_name(proc_name);
1059 }
1060
1061 return 0;
1062 }
1063
1064 bool usb_enabled(bool default_usb)
1065 {
1066 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb",
1067 has_defaults && default_usb);
1068 }
1069
1070 #ifndef _WIN32
1071 static int parse_add_fd(QemuOpts *opts, void *opaque)
1072 {
1073 int fd, dupfd, flags;
1074 int64_t fdset_id;
1075 const char *fd_opaque = NULL;
1076
1077 fd = qemu_opt_get_number(opts, "fd", -1);
1078 fdset_id = qemu_opt_get_number(opts, "set", -1);
1079 fd_opaque = qemu_opt_get(opts, "opaque");
1080
1081 if (fd < 0) {
1082 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1083 "fd option is required and must be non-negative");
1084 return -1;
1085 }
1086
1087 if (fd <= STDERR_FILENO) {
1088 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1089 "fd cannot be a standard I/O stream");
1090 return -1;
1091 }
1092
1093 /*
1094 * All fds inherited across exec() necessarily have FD_CLOEXEC
1095 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1096 */
1097 flags = fcntl(fd, F_GETFD);
1098 if (flags == -1 || (flags & FD_CLOEXEC)) {
1099 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1100 "fd is not valid or already in use");
1101 return -1;
1102 }
1103
1104 if (fdset_id < 0) {
1105 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1106 "set option is required and must be non-negative");
1107 return -1;
1108 }
1109
1110 #ifdef F_DUPFD_CLOEXEC
1111 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1112 #else
1113 dupfd = dup(fd);
1114 if (dupfd != -1) {
1115 qemu_set_cloexec(dupfd);
1116 }
1117 #endif
1118 if (dupfd == -1) {
1119 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1120 "Error duplicating fd: %s", strerror(errno));
1121 return -1;
1122 }
1123
1124 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1125 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1126 fd_opaque, NULL);
1127
1128 return 0;
1129 }
1130
1131 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1132 {
1133 int fd;
1134
1135 fd = qemu_opt_get_number(opts, "fd", -1);
1136 close(fd);
1137
1138 return 0;
1139 }
1140 #endif
1141
1142 /***********************************************************/
1143 /* QEMU Block devices */
1144
1145 #define HD_OPTS "media=disk"
1146 #define CDROM_OPTS "media=cdrom"
1147 #define FD_OPTS ""
1148 #define PFLASH_OPTS ""
1149 #define MTD_OPTS ""
1150 #define SD_OPTS ""
1151
1152 static int drive_init_func(QemuOpts *opts, void *opaque)
1153 {
1154 BlockInterfaceType *block_default_type = opaque;
1155
1156 return drive_new(opts, *block_default_type) == NULL;
1157 }
1158
1159 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1160 {
1161 if (qemu_opt_get(opts, "snapshot") == NULL) {
1162 qemu_opt_set(opts, "snapshot", "on");
1163 }
1164 return 0;
1165 }
1166
1167 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1168 int index, const char *optstr)
1169 {
1170 QemuOpts *opts;
1171
1172 if (!enable || drive_get_by_index(type, index)) {
1173 return;
1174 }
1175
1176 opts = drive_add(type, index, NULL, optstr);
1177 if (snapshot) {
1178 drive_enable_snapshot(opts, NULL);
1179 }
1180 if (!drive_new(opts, type)) {
1181 exit(1);
1182 }
1183 }
1184
1185 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1186 {
1187 boot_set_handler = func;
1188 boot_set_opaque = opaque;
1189 }
1190
1191 int qemu_boot_set(const char *boot_order)
1192 {
1193 if (!boot_set_handler) {
1194 return -EINVAL;
1195 }
1196 return boot_set_handler(boot_set_opaque, boot_order);
1197 }
1198
1199 static void validate_bootdevices(const char *devices)
1200 {
1201 /* We just do some generic consistency checks */
1202 const char *p;
1203 int bitmap = 0;
1204
1205 for (p = devices; *p != '\0'; p++) {
1206 /* Allowed boot devices are:
1207 * a-b: floppy disk drives
1208 * c-f: IDE disk drives
1209 * g-m: machine implementation dependent drives
1210 * n-p: network devices
1211 * It's up to each machine implementation to check if the given boot
1212 * devices match the actual hardware implementation and firmware
1213 * features.
1214 */
1215 if (*p < 'a' || *p > 'p') {
1216 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1217 exit(1);
1218 }
1219 if (bitmap & (1 << (*p - 'a'))) {
1220 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1221 exit(1);
1222 }
1223 bitmap |= 1 << (*p - 'a');
1224 }
1225 }
1226
1227 static void restore_boot_order(void *opaque)
1228 {
1229 char *normal_boot_order = opaque;
1230 static int first = 1;
1231
1232 /* Restore boot order and remove ourselves after the first boot */
1233 if (first) {
1234 first = 0;
1235 return;
1236 }
1237
1238 qemu_boot_set(normal_boot_order);
1239
1240 qemu_unregister_reset(restore_boot_order, normal_boot_order);
1241 g_free(normal_boot_order);
1242 }
1243
1244 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
1245 const char *suffix)
1246 {
1247 FWBootEntry *node, *i;
1248
1249 if (bootindex < 0) {
1250 return;
1251 }
1252
1253 assert(dev != NULL || suffix != NULL);
1254
1255 node = g_malloc0(sizeof(FWBootEntry));
1256 node->bootindex = bootindex;
1257 node->suffix = g_strdup(suffix);
1258 node->dev = dev;
1259
1260 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1261 if (i->bootindex == bootindex) {
1262 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1263 exit(1);
1264 } else if (i->bootindex < bootindex) {
1265 continue;
1266 }
1267 QTAILQ_INSERT_BEFORE(i, node, link);
1268 return;
1269 }
1270 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1271 }
1272
1273 DeviceState *get_boot_device(uint32_t position)
1274 {
1275 uint32_t counter = 0;
1276 FWBootEntry *i = NULL;
1277 DeviceState *res = NULL;
1278
1279 if (!QTAILQ_EMPTY(&fw_boot_order)) {
1280 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1281 if (counter == position) {
1282 res = i->dev;
1283 break;
1284 }
1285 counter++;
1286 }
1287 }
1288 return res;
1289 }
1290
1291 /*
1292 * This function returns null terminated string that consist of new line
1293 * separated device paths.
1294 *
1295 * memory pointed by "size" is assigned total length of the array in bytes
1296 *
1297 */
1298 char *get_boot_devices_list(size_t *size, bool ignore_suffixes)
1299 {
1300 FWBootEntry *i;
1301 size_t total = 0;
1302 char *list = NULL;
1303
1304 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1305 char *devpath = NULL, *bootpath;
1306 size_t len;
1307
1308 if (i->dev) {
1309 devpath = qdev_get_fw_dev_path(i->dev);
1310 assert(devpath);
1311 }
1312
1313 if (i->suffix && !ignore_suffixes && devpath) {
1314 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1315
1316 bootpath = g_malloc(bootpathlen);
1317 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1318 g_free(devpath);
1319 } else if (devpath) {
1320 bootpath = devpath;
1321 } else if (!ignore_suffixes) {
1322 assert(i->suffix);
1323 bootpath = g_strdup(i->suffix);
1324 } else {
1325 bootpath = g_strdup("");
1326 }
1327
1328 if (total) {
1329 list[total-1] = '\n';
1330 }
1331 len = strlen(bootpath) + 1;
1332 list = g_realloc(list, total + len);
1333 memcpy(&list[total], bootpath, len);
1334 total += len;
1335 g_free(bootpath);
1336 }
1337
1338 *size = total;
1339
1340 if (boot_strict && *size > 0) {
1341 list[total-1] = '\n';
1342 list = g_realloc(list, total + 5);
1343 memcpy(&list[total], "HALT", 5);
1344 *size = total + 5;
1345 }
1346 return list;
1347 }
1348
1349 static QemuOptsList qemu_smp_opts = {
1350 .name = "smp-opts",
1351 .implied_opt_name = "cpus",
1352 .merge_lists = true,
1353 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1354 .desc = {
1355 {
1356 .name = "cpus",
1357 .type = QEMU_OPT_NUMBER,
1358 }, {
1359 .name = "sockets",
1360 .type = QEMU_OPT_NUMBER,
1361 }, {
1362 .name = "cores",
1363 .type = QEMU_OPT_NUMBER,
1364 }, {
1365 .name = "threads",
1366 .type = QEMU_OPT_NUMBER,
1367 }, {
1368 .name = "maxcpus",
1369 .type = QEMU_OPT_NUMBER,
1370 },
1371 { /*End of list */ }
1372 },
1373 };
1374
1375 static void smp_parse(QemuOpts *opts)
1376 {
1377 if (opts) {
1378
1379 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1380 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1381 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1382 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1383
1384 /* compute missing values, prefer sockets over cores over threads */
1385 if (cpus == 0 || sockets == 0) {
1386 sockets = sockets > 0 ? sockets : 1;
1387 cores = cores > 0 ? cores : 1;
1388 threads = threads > 0 ? threads : 1;
1389 if (cpus == 0) {
1390 cpus = cores * threads * sockets;
1391 }
1392 } else {
1393 if (cores == 0) {
1394 threads = threads > 0 ? threads : 1;
1395 cores = cpus / (sockets * threads);
1396 } else {
1397 threads = cpus / (cores * sockets);
1398 }
1399 }
1400
1401 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1402
1403 smp_cpus = cpus;
1404 smp_cores = cores > 0 ? cores : 1;
1405 smp_threads = threads > 0 ? threads : 1;
1406
1407 }
1408
1409 if (max_cpus == 0) {
1410 max_cpus = smp_cpus;
1411 }
1412
1413 if (max_cpus > MAX_CPUMASK_BITS) {
1414 fprintf(stderr, "Unsupported number of maxcpus\n");
1415 exit(1);
1416 }
1417 if (max_cpus < smp_cpus) {
1418 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1419 exit(1);
1420 }
1421
1422 }
1423
1424 static void configure_realtime(QemuOpts *opts)
1425 {
1426 bool enable_mlock;
1427
1428 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
1429
1430 if (enable_mlock) {
1431 if (os_mlock() < 0) {
1432 fprintf(stderr, "qemu: locking memory failed\n");
1433 exit(1);
1434 }
1435 }
1436 }
1437
1438
1439 static void configure_msg(QemuOpts *opts)
1440 {
1441 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1442 }
1443
1444 /***********************************************************/
1445 /* USB devices */
1446
1447 static int usb_device_add(const char *devname)
1448 {
1449 USBDevice *dev = NULL;
1450 #ifndef CONFIG_LINUX
1451 const char *p;
1452 #endif
1453
1454 if (!usb_enabled(false)) {
1455 return -1;
1456 }
1457
1458 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1459 dev = usbdevice_create(devname);
1460 if (dev)
1461 goto done;
1462
1463 /* the other ones */
1464 #ifndef CONFIG_LINUX
1465 /* only the linux version is qdev-ified, usb-bsd still needs this */
1466 if (strstart(devname, "host:", &p)) {
1467 dev = usb_host_device_open(usb_bus_find(-1), p);
1468 }
1469 #endif
1470 if (!dev)
1471 return -1;
1472
1473 done:
1474 return 0;
1475 }
1476
1477 static int usb_device_del(const char *devname)
1478 {
1479 int bus_num, addr;
1480 const char *p;
1481
1482 if (strstart(devname, "host:", &p)) {
1483 return -1;
1484 }
1485
1486 if (!usb_enabled(false)) {
1487 return -1;
1488 }
1489
1490 p = strchr(devname, '.');
1491 if (!p)
1492 return -1;
1493 bus_num = strtoul(devname, NULL, 0);
1494 addr = strtoul(p + 1, NULL, 0);
1495
1496 return usb_device_delete_addr(bus_num, addr);
1497 }
1498
1499 static int usb_parse(const char *cmdline)
1500 {
1501 int r;
1502 r = usb_device_add(cmdline);
1503 if (r < 0) {
1504 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1505 }
1506 return r;
1507 }
1508
1509 void do_usb_add(Monitor *mon, const QDict *qdict)
1510 {
1511 const char *devname = qdict_get_str(qdict, "devname");
1512 if (usb_device_add(devname) < 0) {
1513 error_report("could not add USB device '%s'", devname);
1514 }
1515 }
1516
1517 void do_usb_del(Monitor *mon, const QDict *qdict)
1518 {
1519 const char *devname = qdict_get_str(qdict, "devname");
1520 if (usb_device_del(devname) < 0) {
1521 error_report("could not delete USB device '%s'", devname);
1522 }
1523 }
1524
1525 /***********************************************************/
1526 /* PCMCIA/Cardbus */
1527
1528 static struct pcmcia_socket_entry_s {
1529 PCMCIASocket *socket;
1530 struct pcmcia_socket_entry_s *next;
1531 } *pcmcia_sockets = 0;
1532
1533 void pcmcia_socket_register(PCMCIASocket *socket)
1534 {
1535 struct pcmcia_socket_entry_s *entry;
1536
1537 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1538 entry->socket = socket;
1539 entry->next = pcmcia_sockets;
1540 pcmcia_sockets = entry;
1541 }
1542
1543 void pcmcia_socket_unregister(PCMCIASocket *socket)
1544 {
1545 struct pcmcia_socket_entry_s *entry, **ptr;
1546
1547 ptr = &pcmcia_sockets;
1548 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1549 if (entry->socket == socket) {
1550 *ptr = entry->next;
1551 g_free(entry);
1552 }
1553 }
1554
1555 void pcmcia_info(Monitor *mon, const QDict *qdict)
1556 {
1557 struct pcmcia_socket_entry_s *iter;
1558
1559 if (!pcmcia_sockets)
1560 monitor_printf(mon, "No PCMCIA sockets\n");
1561
1562 for (iter = pcmcia_sockets; iter; iter = iter->next)
1563 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1564 iter->socket->attached ? iter->socket->card_string :
1565 "Empty");
1566 }
1567
1568 /***********************************************************/
1569 /* machine registration */
1570
1571 MachineState *current_machine;
1572
1573 static void machine_class_init(ObjectClass *oc, void *data)
1574 {
1575 MachineClass *mc = MACHINE_CLASS(oc);
1576 QEMUMachine *qm = data;
1577
1578 mc->name = qm->name;
1579 mc->alias = qm->alias;
1580 mc->desc = qm->desc;
1581 mc->init = qm->init;
1582 mc->reset = qm->reset;
1583 mc->hot_add_cpu = qm->hot_add_cpu;
1584 mc->kvm_type = qm->kvm_type;
1585 mc->block_default_type = qm->block_default_type;
1586 mc->max_cpus = qm->max_cpus;
1587 mc->no_serial = qm->no_serial;
1588 mc->no_parallel = qm->no_parallel;
1589 mc->use_virtcon = qm->use_virtcon;
1590 mc->use_sclp = qm->use_sclp;
1591 mc->no_floppy = qm->no_floppy;
1592 mc->no_cdrom = qm->no_cdrom;
1593 mc->no_sdcard = qm->no_sdcard;
1594 mc->is_default = qm->is_default;
1595 mc->default_machine_opts = qm->default_machine_opts;
1596 mc->default_boot_order = qm->default_boot_order;
1597 mc->compat_props = qm->compat_props;
1598 mc->hw_version = qm->hw_version;
1599 }
1600
1601 int qemu_register_machine(QEMUMachine *m)
1602 {
1603 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1604 TypeInfo ti = {
1605 .name = name,
1606 .parent = TYPE_MACHINE,
1607 .class_init = machine_class_init,
1608 .class_data = (void *)m,
1609 };
1610
1611 type_register(&ti);
1612 g_free(name);
1613
1614 return 0;
1615 }
1616
1617 static MachineClass *find_machine(const char *name)
1618 {
1619 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1620 MachineClass *mc = NULL;
1621
1622 for (el = machines; el; el = el->next) {
1623 MachineClass *temp = el->data;
1624
1625 if (!strcmp(temp->name, name)) {
1626 mc = temp;
1627 break;
1628 }
1629 if (temp->alias &&
1630 !strcmp(temp->alias, name)) {
1631 mc = temp;
1632 break;
1633 }
1634 }
1635
1636 g_slist_free(machines);
1637 return mc;
1638 }
1639
1640 MachineClass *find_default_machine(void)
1641 {
1642 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1643 MachineClass *mc = NULL;
1644
1645 for (el = machines; el; el = el->next) {
1646 MachineClass *temp = el->data;
1647
1648 if (temp->is_default) {
1649 mc = temp;
1650 break;
1651 }
1652 }
1653
1654 g_slist_free(machines);
1655 return mc;
1656 }
1657
1658 MachineInfoList *qmp_query_machines(Error **errp)
1659 {
1660 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1661 MachineInfoList *mach_list = NULL;
1662
1663 for (el = machines; el; el = el->next) {
1664 MachineClass *mc = el->data;
1665 MachineInfoList *entry;
1666 MachineInfo *info;
1667
1668 info = g_malloc0(sizeof(*info));
1669 if (mc->is_default) {
1670 info->has_is_default = true;
1671 info->is_default = true;
1672 }
1673
1674 if (mc->alias) {
1675 info->has_alias = true;
1676 info->alias = g_strdup(mc->alias);
1677 }
1678
1679 info->name = g_strdup(mc->name);
1680 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1681
1682 entry = g_malloc0(sizeof(*entry));
1683 entry->value = info;
1684 entry->next = mach_list;
1685 mach_list = entry;
1686 }
1687
1688 g_slist_free(machines);
1689 return mach_list;
1690 }
1691
1692 /***********************************************************/
1693 /* main execution loop */
1694
1695 struct vm_change_state_entry {
1696 VMChangeStateHandler *cb;
1697 void *opaque;
1698 QLIST_ENTRY (vm_change_state_entry) entries;
1699 };
1700
1701 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1702
1703 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1704 void *opaque)
1705 {
1706 VMChangeStateEntry *e;
1707
1708 e = g_malloc0(sizeof (*e));
1709
1710 e->cb = cb;
1711 e->opaque = opaque;
1712 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1713 return e;
1714 }
1715
1716 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1717 {
1718 QLIST_REMOVE (e, entries);
1719 g_free (e);
1720 }
1721
1722 void vm_state_notify(int running, RunState state)
1723 {
1724 VMChangeStateEntry *e;
1725
1726 trace_vm_state_notify(running, state);
1727
1728 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1729 e->cb(e->opaque, running, state);
1730 }
1731 }
1732
1733 /* reset/shutdown handler */
1734
1735 typedef struct QEMUResetEntry {
1736 QTAILQ_ENTRY(QEMUResetEntry) entry;
1737 QEMUResetHandler *func;
1738 void *opaque;
1739 } QEMUResetEntry;
1740
1741 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1742 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1743 static int reset_requested;
1744 static int shutdown_requested, shutdown_signal = -1;
1745 static pid_t shutdown_pid;
1746 static int powerdown_requested;
1747 static int debug_requested;
1748 static int suspend_requested;
1749 static WakeupReason wakeup_reason;
1750 static NotifierList powerdown_notifiers =
1751 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1752 static NotifierList suspend_notifiers =
1753 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1754 static NotifierList wakeup_notifiers =
1755 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1756 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1757
1758 int qemu_shutdown_requested_get(void)
1759 {
1760 return shutdown_requested;
1761 }
1762
1763 int qemu_reset_requested_get(void)
1764 {
1765 return reset_requested;
1766 }
1767
1768 static int qemu_shutdown_requested(void)
1769 {
1770 int r = shutdown_requested;
1771 shutdown_requested = 0;
1772 return r;
1773 }
1774
1775 static void qemu_kill_report(void)
1776 {
1777 if (!qtest_driver() && shutdown_signal != -1) {
1778 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1779 if (shutdown_pid == 0) {
1780 /* This happens for eg ^C at the terminal, so it's worth
1781 * avoiding printing an odd message in that case.
1782 */
1783 fputc('\n', stderr);
1784 } else {
1785 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1786 }
1787 shutdown_signal = -1;
1788 }
1789 }
1790
1791 static int qemu_reset_requested(void)
1792 {
1793 int r = reset_requested;
1794 reset_requested = 0;
1795 return r;
1796 }
1797
1798 static int qemu_suspend_requested(void)
1799 {
1800 int r = suspend_requested;
1801 suspend_requested = 0;
1802 return r;
1803 }
1804
1805 static WakeupReason qemu_wakeup_requested(void)
1806 {
1807 return wakeup_reason;
1808 }
1809
1810 static int qemu_powerdown_requested(void)
1811 {
1812 int r = powerdown_requested;
1813 powerdown_requested = 0;
1814 return r;
1815 }
1816
1817 static int qemu_debug_requested(void)
1818 {
1819 int r = debug_requested;
1820 debug_requested = 0;
1821 return r;
1822 }
1823
1824 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1825 {
1826 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1827
1828 re->func = func;
1829 re->opaque = opaque;
1830 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1831 }
1832
1833 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1834 {
1835 QEMUResetEntry *re;
1836
1837 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1838 if (re->func == func && re->opaque == opaque) {
1839 QTAILQ_REMOVE(&reset_handlers, re, entry);
1840 g_free(re);
1841 return;
1842 }
1843 }
1844 }
1845
1846 void qemu_devices_reset(void)
1847 {
1848 QEMUResetEntry *re, *nre;
1849
1850 /* reset all devices */
1851 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1852 re->func(re->opaque);
1853 }
1854 }
1855
1856 void qemu_system_reset(bool report)
1857 {
1858 MachineClass *mc;
1859
1860 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1861
1862 if (mc && mc->reset) {
1863 mc->reset();
1864 } else {
1865 qemu_devices_reset();
1866 }
1867 if (report) {
1868 qapi_event_send_reset(&error_abort);
1869 }
1870 cpu_synchronize_all_post_reset();
1871 }
1872
1873 void qemu_system_reset_request(void)
1874 {
1875 if (no_reboot) {
1876 shutdown_requested = 1;
1877 } else {
1878 reset_requested = 1;
1879 }
1880 cpu_stop_current();
1881 qemu_notify_event();
1882 }
1883
1884 static void qemu_system_suspend(void)
1885 {
1886 pause_all_vcpus();
1887 notifier_list_notify(&suspend_notifiers, NULL);
1888 runstate_set(RUN_STATE_SUSPENDED);
1889 qapi_event_send_suspend(&error_abort);
1890 }
1891
1892 void qemu_system_suspend_request(void)
1893 {
1894 if (runstate_check(RUN_STATE_SUSPENDED)) {
1895 return;
1896 }
1897 suspend_requested = 1;
1898 cpu_stop_current();
1899 qemu_notify_event();
1900 }
1901
1902 void qemu_register_suspend_notifier(Notifier *notifier)
1903 {
1904 notifier_list_add(&suspend_notifiers, notifier);
1905 }
1906
1907 void qemu_system_wakeup_request(WakeupReason reason)
1908 {
1909 trace_system_wakeup_request(reason);
1910
1911 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1912 return;
1913 }
1914 if (!(wakeup_reason_mask & (1 << reason))) {
1915 return;
1916 }
1917 runstate_set(RUN_STATE_RUNNING);
1918 wakeup_reason = reason;
1919 qemu_notify_event();
1920 }
1921
1922 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1923 {
1924 if (enabled) {
1925 wakeup_reason_mask |= (1 << reason);
1926 } else {
1927 wakeup_reason_mask &= ~(1 << reason);
1928 }
1929 }
1930
1931 void qemu_register_wakeup_notifier(Notifier *notifier)
1932 {
1933 notifier_list_add(&wakeup_notifiers, notifier);
1934 }
1935
1936 void qemu_system_killed(int signal, pid_t pid)
1937 {
1938 shutdown_signal = signal;
1939 shutdown_pid = pid;
1940 no_shutdown = 0;
1941 qemu_system_shutdown_request();
1942 }
1943
1944 void qemu_system_shutdown_request(void)
1945 {
1946 trace_qemu_system_shutdown_request();
1947 shutdown_requested = 1;
1948 qemu_notify_event();
1949 }
1950
1951 static void qemu_system_powerdown(void)
1952 {
1953 qapi_event_send_powerdown(&error_abort);
1954 notifier_list_notify(&powerdown_notifiers, NULL);
1955 }
1956
1957 void qemu_system_powerdown_request(void)
1958 {
1959 trace_qemu_system_powerdown_request();
1960 powerdown_requested = 1;
1961 qemu_notify_event();
1962 }
1963
1964 void qemu_register_powerdown_notifier(Notifier *notifier)
1965 {
1966 notifier_list_add(&powerdown_notifiers, notifier);
1967 }
1968
1969 void qemu_system_debug_request(void)
1970 {
1971 debug_requested = 1;
1972 qemu_notify_event();
1973 }
1974
1975 static bool main_loop_should_exit(void)
1976 {
1977 RunState r;
1978 if (qemu_debug_requested()) {
1979 vm_stop(RUN_STATE_DEBUG);
1980 }
1981 if (qemu_suspend_requested()) {
1982 qemu_system_suspend();
1983 }
1984 if (qemu_shutdown_requested()) {
1985 qemu_kill_report();
1986 qapi_event_send_shutdown(&error_abort);
1987 if (no_shutdown) {
1988 vm_stop(RUN_STATE_SHUTDOWN);
1989 } else {
1990 return true;
1991 }
1992 }
1993 if (qemu_reset_requested()) {
1994 pause_all_vcpus();
1995 cpu_synchronize_all_states();
1996 qemu_system_reset(VMRESET_REPORT);
1997 resume_all_vcpus();
1998 if (runstate_needs_reset()) {
1999 runstate_set(RUN_STATE_PAUSED);
2000 }
2001 }
2002 if (qemu_wakeup_requested()) {
2003 pause_all_vcpus();
2004 cpu_synchronize_all_states();
2005 qemu_system_reset(VMRESET_SILENT);
2006 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
2007 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
2008 resume_all_vcpus();
2009 qapi_event_send_wakeup(&error_abort);
2010 }
2011 if (qemu_powerdown_requested()) {
2012 qemu_system_powerdown();
2013 }
2014 if (qemu_vmstop_requested(&r)) {
2015 vm_stop(r);
2016 }
2017 return false;
2018 }
2019
2020 static void main_loop(void)
2021 {
2022 bool nonblocking;
2023 int last_io = 0;
2024 #ifdef CONFIG_PROFILER
2025 int64_t ti;
2026 #endif
2027 do {
2028 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
2029 #ifdef CONFIG_PROFILER
2030 ti = profile_getclock();
2031 #endif
2032 last_io = main_loop_wait(nonblocking);
2033 #ifdef CONFIG_PROFILER
2034 dev_time += profile_getclock() - ti;
2035 #endif
2036 } while (!main_loop_should_exit());
2037 }
2038
2039 static void version(void)
2040 {
2041 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
2042 }
2043
2044 static void help(int exitcode)
2045 {
2046 version();
2047 printf("usage: %s [options] [disk_image]\n\n"
2048 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2049 error_get_progname());
2050
2051 #define QEMU_OPTIONS_GENERATE_HELP
2052 #include "qemu-options-wrapper.h"
2053
2054 printf("\nDuring emulation, the following keys are useful:\n"
2055 "ctrl-alt-f toggle full screen\n"
2056 "ctrl-alt-n switch to virtual console 'n'\n"
2057 "ctrl-alt toggle mouse and keyboard grab\n"
2058 "\n"
2059 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2060
2061 exit(exitcode);
2062 }
2063
2064 #define HAS_ARG 0x0001
2065
2066 typedef struct QEMUOption {
2067 const char *name;
2068 int flags;
2069 int index;
2070 uint32_t arch_mask;
2071 } QEMUOption;
2072
2073 static const QEMUOption qemu_options[] = {
2074 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2075 #define QEMU_OPTIONS_GENERATE_OPTIONS
2076 #include "qemu-options-wrapper.h"
2077 { NULL },
2078 };
2079
2080 static bool vga_available(void)
2081 {
2082 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2083 }
2084
2085 static bool cirrus_vga_available(void)
2086 {
2087 return object_class_by_name("cirrus-vga")
2088 || object_class_by_name("isa-cirrus-vga");
2089 }
2090
2091 static bool vmware_vga_available(void)
2092 {
2093 return object_class_by_name("vmware-svga");
2094 }
2095
2096 static bool qxl_vga_available(void)
2097 {
2098 return object_class_by_name("qxl-vga");
2099 }
2100
2101 static bool tcx_vga_available(void)
2102 {
2103 return object_class_by_name("SUNW,tcx");
2104 }
2105
2106 static bool cg3_vga_available(void)
2107 {
2108 return object_class_by_name("cgthree");
2109 }
2110
2111 static void select_vgahw (const char *p)
2112 {
2113 const char *opts;
2114
2115 assert(vga_interface_type == VGA_NONE);
2116 if (strstart(p, "std", &opts)) {
2117 if (vga_available()) {
2118 vga_interface_type = VGA_STD;
2119 } else {
2120 fprintf(stderr, "Error: standard VGA not available\n");
2121 exit(0);
2122 }
2123 } else if (strstart(p, "cirrus", &opts)) {
2124 if (cirrus_vga_available()) {
2125 vga_interface_type = VGA_CIRRUS;
2126 } else {
2127 fprintf(stderr, "Error: Cirrus VGA not available\n");
2128 exit(0);
2129 }
2130 } else if (strstart(p, "vmware", &opts)) {
2131 if (vmware_vga_available()) {
2132 vga_interface_type = VGA_VMWARE;
2133 } else {
2134 fprintf(stderr, "Error: VMWare SVGA not available\n");
2135 exit(0);
2136 }
2137 } else if (strstart(p, "xenfb", &opts)) {
2138 vga_interface_type = VGA_XENFB;
2139 } else if (strstart(p, "qxl", &opts)) {
2140 if (qxl_vga_available()) {
2141 vga_interface_type = VGA_QXL;
2142 } else {
2143 fprintf(stderr, "Error: QXL VGA not available\n");
2144 exit(0);
2145 }
2146 } else if (strstart(p, "tcx", &opts)) {
2147 if (tcx_vga_available()) {
2148 vga_interface_type = VGA_TCX;
2149 } else {
2150 fprintf(stderr, "Error: TCX framebuffer not available\n");
2151 exit(0);
2152 }
2153 } else if (strstart(p, "cg3", &opts)) {
2154 if (cg3_vga_available()) {
2155 vga_interface_type = VGA_CG3;
2156 } else {
2157 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2158 exit(0);
2159 }
2160 } else if (!strstart(p, "none", &opts)) {
2161 invalid_vga:
2162 fprintf(stderr, "Unknown vga type: %s\n", p);
2163 exit(1);
2164 }
2165 while (*opts) {
2166 const char *nextopt;
2167
2168 if (strstart(opts, ",retrace=", &nextopt)) {
2169 opts = nextopt;
2170 if (strstart(opts, "dumb", &nextopt))
2171 vga_retrace_method = VGA_RETRACE_DUMB;
2172 else if (strstart(opts, "precise", &nextopt))
2173 vga_retrace_method = VGA_RETRACE_PRECISE;
2174 else goto invalid_vga;
2175 } else goto invalid_vga;
2176 opts = nextopt;
2177 }
2178 }
2179
2180 static DisplayType select_display(const char *p)
2181 {
2182 const char *opts;
2183 DisplayType display = DT_DEFAULT;
2184
2185 if (strstart(p, "sdl", &opts)) {
2186 #ifdef CONFIG_SDL
2187 display = DT_SDL;
2188 while (*opts) {
2189 const char *nextopt;
2190
2191 if (strstart(opts, ",frame=", &nextopt)) {
2192 opts = nextopt;
2193 if (strstart(opts, "on", &nextopt)) {
2194 no_frame = 0;
2195 } else if (strstart(opts, "off", &nextopt)) {
2196 no_frame = 1;
2197 } else {
2198 goto invalid_sdl_args;
2199 }
2200 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2201 opts = nextopt;
2202 if (strstart(opts, "on", &nextopt)) {
2203 alt_grab = 1;
2204 } else if (strstart(opts, "off", &nextopt)) {
2205 alt_grab = 0;
2206 } else {
2207 goto invalid_sdl_args;
2208 }
2209 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2210 opts = nextopt;
2211 if (strstart(opts, "on", &nextopt)) {
2212 ctrl_grab = 1;
2213 } else if (strstart(opts, "off", &nextopt)) {
2214 ctrl_grab = 0;
2215 } else {
2216 goto invalid_sdl_args;
2217 }
2218 } else if (strstart(opts, ",window_close=", &nextopt)) {
2219 opts = nextopt;
2220 if (strstart(opts, "on", &nextopt)) {
2221 no_quit = 0;
2222 } else if (strstart(opts, "off", &nextopt)) {
2223 no_quit = 1;
2224 } else {
2225 goto invalid_sdl_args;
2226 }
2227 } else {
2228 invalid_sdl_args:
2229 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2230 exit(1);
2231 }
2232 opts = nextopt;
2233 }
2234 #else
2235 fprintf(stderr, "SDL support is disabled\n");
2236 exit(1);
2237 #endif
2238 } else if (strstart(p, "vnc", &opts)) {
2239 #ifdef CONFIG_VNC
2240 display_remote++;
2241
2242 if (*opts) {
2243 const char *nextopt;
2244
2245 if (strstart(opts, "=", &nextopt)) {
2246 vnc_display = nextopt;
2247 }
2248 }
2249 if (!vnc_display) {
2250 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2251 exit(1);
2252 }
2253 #else
2254 fprintf(stderr, "VNC support is disabled\n");
2255 exit(1);
2256 #endif
2257 } else if (strstart(p, "curses", &opts)) {
2258 #ifdef CONFIG_CURSES
2259 display = DT_CURSES;
2260 #else
2261 fprintf(stderr, "Curses support is disabled\n");
2262 exit(1);
2263 #endif
2264 } else if (strstart(p, "gtk", &opts)) {
2265 #ifdef CONFIG_GTK
2266 display = DT_GTK;
2267 while (*opts) {
2268 const char *nextopt;
2269
2270 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2271 opts = nextopt;
2272 if (strstart(opts, "on", &nextopt)) {
2273 grab_on_hover = true;
2274 } else if (strstart(opts, "off", &nextopt)) {
2275 grab_on_hover = false;
2276 } else {
2277 goto invalid_gtk_args;
2278 }
2279 } else {
2280 invalid_gtk_args:
2281 fprintf(stderr, "Invalid GTK option string: %s\n", p);
2282 exit(1);
2283 }
2284 opts = nextopt;
2285 }
2286 #else
2287 fprintf(stderr, "GTK support is disabled\n");
2288 exit(1);
2289 #endif
2290 } else if (strstart(p, "none", &opts)) {
2291 display = DT_NONE;
2292 } else {
2293 fprintf(stderr, "Unknown display type: %s\n", p);
2294 exit(1);
2295 }
2296
2297 return display;
2298 }
2299
2300 static int balloon_parse(const char *arg)
2301 {
2302 QemuOpts *opts;
2303
2304 if (strcmp(arg, "none") == 0) {
2305 return 0;
2306 }
2307
2308 if (!strncmp(arg, "virtio", 6)) {
2309 if (arg[6] == ',') {
2310 /* have params -> parse them */
2311 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2312 if (!opts)
2313 return -1;
2314 } else {
2315 /* create empty opts */
2316 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2317 &error_abort);
2318 }
2319 qemu_opt_set(opts, "driver", "virtio-balloon");
2320 return 0;
2321 }
2322
2323 return -1;
2324 }
2325
2326 char *qemu_find_file(int type, const char *name)
2327 {
2328 int i;
2329 const char *subdir;
2330 char *buf;
2331
2332 /* Try the name as a straight path first */
2333 if (access(name, R_OK) == 0) {
2334 trace_load_file(name, name);
2335 return g_strdup(name);
2336 }
2337
2338 switch (type) {
2339 case QEMU_FILE_TYPE_BIOS:
2340 subdir = "";
2341 break;
2342 case QEMU_FILE_TYPE_KEYMAP:
2343 subdir = "keymaps/";
2344 break;
2345 default:
2346 abort();
2347 }
2348
2349 for (i = 0; i < data_dir_idx; i++) {
2350 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2351 if (access(buf, R_OK) == 0) {
2352 trace_load_file(name, buf);
2353 return buf;
2354 }
2355 g_free(buf);
2356 }
2357 return NULL;
2358 }
2359
2360 static int device_help_func(QemuOpts *opts, void *opaque)
2361 {
2362 return qdev_device_help(opts);
2363 }
2364
2365 static int device_init_func(QemuOpts *opts, void *opaque)
2366 {
2367 DeviceState *dev;
2368
2369 dev = qdev_device_add(opts);
2370 if (!dev)
2371 return -1;
2372 object_unref(OBJECT(dev));
2373 return 0;
2374 }
2375
2376 static int chardev_init_func(QemuOpts *opts, void *opaque)
2377 {
2378 Error *local_err = NULL;
2379
2380 qemu_chr_new_from_opts(opts, NULL, &local_err);
2381 if (local_err) {
2382 error_report("%s", error_get_pretty(local_err));
2383 error_free(local_err);
2384 return -1;
2385 }
2386 return 0;
2387 }
2388
2389 #ifdef CONFIG_VIRTFS
2390 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2391 {
2392 int ret;
2393 ret = qemu_fsdev_add(opts);
2394
2395 return ret;
2396 }
2397 #endif
2398
2399 static int mon_init_func(QemuOpts *opts, void *opaque)
2400 {
2401 CharDriverState *chr;
2402 const char *chardev;
2403 const char *mode;
2404 int flags;
2405
2406 mode = qemu_opt_get(opts, "mode");
2407 if (mode == NULL) {
2408 mode = "readline";
2409 }
2410 if (strcmp(mode, "readline") == 0) {
2411 flags = MONITOR_USE_READLINE;
2412 } else if (strcmp(mode, "control") == 0) {
2413 flags = MONITOR_USE_CONTROL;
2414 } else {
2415 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2416 exit(1);
2417 }
2418
2419 if (qemu_opt_get_bool(opts, "pretty", 0))
2420 flags |= MONITOR_USE_PRETTY;
2421
2422 if (qemu_opt_get_bool(opts, "default", 0))
2423 flags |= MONITOR_IS_DEFAULT;
2424
2425 chardev = qemu_opt_get(opts, "chardev");
2426 chr = qemu_chr_find(chardev);
2427 if (chr == NULL) {
2428 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2429 exit(1);
2430 }
2431
2432 qemu_chr_fe_claim_no_fail(chr);
2433 monitor_init(chr, flags);
2434 return 0;
2435 }
2436
2437 static void monitor_parse(const char *optarg, const char *mode)
2438 {
2439 static int monitor_device_index = 0;
2440 QemuOpts *opts;
2441 const char *p;
2442 char label[32];
2443 int def = 0;
2444
2445 if (strstart(optarg, "chardev:", &p)) {
2446 snprintf(label, sizeof(label), "%s", p);
2447 } else {
2448 snprintf(label, sizeof(label), "compat_monitor%d",
2449 monitor_device_index);
2450 if (monitor_device_index == 0) {
2451 def = 1;
2452 }
2453 opts = qemu_chr_parse_compat(label, optarg);
2454 if (!opts) {
2455 fprintf(stderr, "parse error: %s\n", optarg);
2456 exit(1);
2457 }
2458 }
2459
2460 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2461 if (!opts) {
2462 fprintf(stderr, "duplicate chardev: %s\n", label);
2463 exit(1);
2464 }
2465 qemu_opt_set(opts, "mode", mode);
2466 qemu_opt_set(opts, "chardev", label);
2467 if (def)
2468 qemu_opt_set(opts, "default", "on");
2469 monitor_device_index++;
2470 }
2471
2472 struct device_config {
2473 enum {
2474 DEV_USB, /* -usbdevice */
2475 DEV_BT, /* -bt */
2476 DEV_SERIAL, /* -serial */
2477 DEV_PARALLEL, /* -parallel */
2478 DEV_VIRTCON, /* -virtioconsole */
2479 DEV_DEBUGCON, /* -debugcon */
2480 DEV_GDB, /* -gdb, -s */
2481 DEV_SCLP, /* s390 sclp */
2482 } type;
2483 const char *cmdline;
2484 Location loc;
2485 QTAILQ_ENTRY(device_config) next;
2486 };
2487
2488 static QTAILQ_HEAD(, device_config) device_configs =
2489 QTAILQ_HEAD_INITIALIZER(device_configs);
2490
2491 static void add_device_config(int type, const char *cmdline)
2492 {
2493 struct device_config *conf;
2494
2495 conf = g_malloc0(sizeof(*conf));
2496 conf->type = type;
2497 conf->cmdline = cmdline;
2498 loc_save(&conf->loc);
2499 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2500 }
2501
2502 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2503 {
2504 struct device_config *conf;
2505 int rc;
2506
2507 QTAILQ_FOREACH(conf, &device_configs, next) {
2508 if (conf->type != type)
2509 continue;
2510 loc_push_restore(&conf->loc);
2511 rc = func(conf->cmdline);
2512 loc_pop(&conf->loc);
2513 if (rc) {
2514 return rc;
2515 }
2516 }
2517 return 0;
2518 }
2519
2520 static int serial_parse(const char *devname)
2521 {
2522 static int index = 0;
2523 char label[32];
2524
2525 if (strcmp(devname, "none") == 0)
2526 return 0;
2527 if (index == MAX_SERIAL_PORTS) {
2528 fprintf(stderr, "qemu: too many serial ports\n");
2529 exit(1);
2530 }
2531 snprintf(label, sizeof(label), "serial%d", index);
2532 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2533 if (!serial_hds[index]) {
2534 fprintf(stderr, "qemu: could not connect serial device"
2535 " to character backend '%s'\n", devname);
2536 return -1;
2537 }
2538 index++;
2539 return 0;
2540 }
2541
2542 static int parallel_parse(const char *devname)
2543 {
2544 static int index = 0;
2545 char label[32];
2546
2547 if (strcmp(devname, "none") == 0)
2548 return 0;
2549 if (index == MAX_PARALLEL_PORTS) {
2550 fprintf(stderr, "qemu: too many parallel ports\n");
2551 exit(1);
2552 }
2553 snprintf(label, sizeof(label), "parallel%d", index);
2554 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2555 if (!parallel_hds[index]) {
2556 fprintf(stderr, "qemu: could not connect parallel device"
2557 " to character backend '%s'\n", devname);
2558 return -1;
2559 }
2560 index++;
2561 return 0;
2562 }
2563
2564 static int virtcon_parse(const char *devname)
2565 {
2566 QemuOptsList *device = qemu_find_opts("device");
2567 static int index = 0;
2568 char label[32];
2569 QemuOpts *bus_opts, *dev_opts;
2570
2571 if (strcmp(devname, "none") == 0)
2572 return 0;
2573 if (index == MAX_VIRTIO_CONSOLES) {
2574 fprintf(stderr, "qemu: too many virtio consoles\n");
2575 exit(1);
2576 }
2577
2578 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2579 if (arch_type == QEMU_ARCH_S390X) {
2580 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2581 } else {
2582 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2583 }
2584
2585 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2586 qemu_opt_set(dev_opts, "driver", "virtconsole");
2587
2588 snprintf(label, sizeof(label), "virtcon%d", index);
2589 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2590 if (!virtcon_hds[index]) {
2591 fprintf(stderr, "qemu: could not connect virtio console"
2592 " to character backend '%s'\n", devname);
2593 return -1;
2594 }
2595 qemu_opt_set(dev_opts, "chardev", label);
2596
2597 index++;
2598 return 0;
2599 }
2600
2601 static int sclp_parse(const char *devname)
2602 {
2603 QemuOptsList *device = qemu_find_opts("device");
2604 static int index = 0;
2605 char label[32];
2606 QemuOpts *dev_opts;
2607
2608 if (strcmp(devname, "none") == 0) {
2609 return 0;
2610 }
2611 if (index == MAX_SCLP_CONSOLES) {
2612 fprintf(stderr, "qemu: too many sclp consoles\n");
2613 exit(1);
2614 }
2615
2616 assert(arch_type == QEMU_ARCH_S390X);
2617
2618 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2619 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2620
2621 snprintf(label, sizeof(label), "sclpcon%d", index);
2622 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2623 if (!sclp_hds[index]) {
2624 fprintf(stderr, "qemu: could not connect sclp console"
2625 " to character backend '%s'\n", devname);
2626 return -1;
2627 }
2628 qemu_opt_set(dev_opts, "chardev", label);
2629
2630 index++;
2631 return 0;
2632 }
2633
2634 static int debugcon_parse(const char *devname)
2635 {
2636 QemuOpts *opts;
2637
2638 if (!qemu_chr_new("debugcon", devname, NULL)) {
2639 exit(1);
2640 }
2641 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2642 if (!opts) {
2643 fprintf(stderr, "qemu: already have a debugcon device\n");
2644 exit(1);
2645 }
2646 qemu_opt_set(opts, "driver", "isa-debugcon");
2647 qemu_opt_set(opts, "chardev", "debugcon");
2648 return 0;
2649 }
2650
2651 static MachineClass *machine_parse(const char *name)
2652 {
2653 MachineClass *mc = NULL;
2654 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2655
2656 if (name) {
2657 mc = find_machine(name);
2658 }
2659 if (mc) {
2660 return mc;
2661 }
2662 if (name && !is_help_option(name)) {
2663 error_report("Unsupported machine type");
2664 error_printf("Use -machine help to list supported machines!\n");
2665 } else {
2666 printf("Supported machines are:\n");
2667 for (el = machines; el; el = el->next) {
2668 MachineClass *mc = el->data;
2669 if (mc->alias) {
2670 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2671 }
2672 printf("%-20s %s%s\n", mc->name, mc->desc,
2673 mc->is_default ? " (default)" : "");
2674 }
2675 }
2676
2677 g_slist_free(machines);
2678 exit(!name || !is_help_option(name));
2679 }
2680
2681 static int tcg_init(MachineClass *mc)
2682 {
2683 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2684 return 0;
2685 }
2686
2687 static struct {
2688 const char *opt_name;
2689 const char *name;
2690 int (*available)(void);
2691 int (*init)(MachineClass *mc);
2692 bool *allowed;
2693 } accel_list[] = {
2694 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2695 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2696 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2697 { "qtest", "QTest", qtest_available, qtest_init_accel, &qtest_allowed },
2698 };
2699
2700 static int configure_accelerator(MachineClass *mc)
2701 {
2702 const char *p;
2703 char buf[10];
2704 int i, ret;
2705 bool accel_initialised = false;
2706 bool init_failed = false;
2707
2708 p = qemu_opt_get(qemu_get_machine_opts(), "accel");
2709 if (p == NULL) {
2710 /* Use the default "accelerator", tcg */
2711 p = "tcg";
2712 }
2713
2714 while (!accel_initialised && *p != '\0') {
2715 if (*p == ':') {
2716 p++;
2717 }
2718 p = get_opt_name(buf, sizeof (buf), p, ':');
2719 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2720 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2721 if (!accel_list[i].available()) {
2722 printf("%s not supported for this target\n",
2723 accel_list[i].name);
2724 break;
2725 }
2726 *(accel_list[i].allowed) = true;
2727 ret = accel_list[i].init(mc);
2728 if (ret < 0) {
2729 init_failed = true;
2730 fprintf(stderr, "failed to initialize %s: %s\n",
2731 accel_list[i].name,
2732 strerror(-ret));
2733 *(accel_list[i].allowed) = false;
2734 } else {
2735 accel_initialised = true;
2736 }
2737 break;
2738 }
2739 }
2740 if (i == ARRAY_SIZE(accel_list)) {
2741 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2742 }
2743 }
2744
2745 if (!accel_initialised) {
2746 if (!init_failed) {
2747 fprintf(stderr, "No accelerator found!\n");
2748 }
2749 exit(1);
2750 }
2751
2752 if (init_failed) {
2753 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2754 }
2755
2756 return !accel_initialised;
2757 }
2758
2759 void qemu_add_exit_notifier(Notifier *notify)
2760 {
2761 notifier_list_add(&exit_notifiers, notify);
2762 }
2763
2764 void qemu_remove_exit_notifier(Notifier *notify)
2765 {
2766 notifier_remove(notify);
2767 }
2768
2769 static void qemu_run_exit_notifiers(void)
2770 {
2771 notifier_list_notify(&exit_notifiers, NULL);
2772 }
2773
2774 void qemu_add_machine_init_done_notifier(Notifier *notify)
2775 {
2776 notifier_list_add(&machine_init_done_notifiers, notify);
2777 }
2778
2779 static void qemu_run_machine_init_done_notifiers(void)
2780 {
2781 notifier_list_notify(&machine_init_done_notifiers, NULL);
2782 }
2783
2784 static const QEMUOption *lookup_opt(int argc, char **argv,
2785 const char **poptarg, int *poptind)
2786 {
2787 const QEMUOption *popt;
2788 int optind = *poptind;
2789 char *r = argv[optind];
2790 const char *optarg;
2791
2792 loc_set_cmdline(argv, optind, 1);
2793 optind++;
2794 /* Treat --foo the same as -foo. */
2795 if (r[1] == '-')
2796 r++;
2797 popt = qemu_options;
2798 for(;;) {
2799 if (!popt->name) {
2800 error_report("invalid option");
2801 exit(1);
2802 }
2803 if (!strcmp(popt->name, r + 1))
2804 break;
2805 popt++;
2806 }
2807 if (popt->flags & HAS_ARG) {
2808 if (optind >= argc) {
2809 error_report("requires an argument");
2810 exit(1);
2811 }
2812 optarg = argv[optind++];
2813 loc_set_cmdline(argv, optind - 2, 2);
2814 } else {
2815 optarg = NULL;
2816 }
2817
2818 *poptarg = optarg;
2819 *poptind = optind;
2820
2821 return popt;
2822 }
2823
2824 static gpointer malloc_and_trace(gsize n_bytes)
2825 {
2826 void *ptr = malloc(n_bytes);
2827 trace_g_malloc(n_bytes, ptr);
2828 return ptr;
2829 }
2830
2831 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2832 {
2833 void *ptr = realloc(mem, n_bytes);
2834 trace_g_realloc(mem, n_bytes, ptr);
2835 return ptr;
2836 }
2837
2838 static void free_and_trace(gpointer mem)
2839 {
2840 trace_g_free(mem);
2841 free(mem);
2842 }
2843
2844 static int object_set_property(const char *name, const char *value, void *opaque)
2845 {
2846 Object *obj = OBJECT(opaque);
2847 StringInputVisitor *siv;
2848 Error *local_err = NULL;
2849 char *c, *qom_name;
2850
2851 if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0 ||
2852 strcmp(name, "type") == 0) {
2853 return 0;
2854 }
2855
2856 qom_name = g_strdup(name);
2857 c = qom_name;
2858 while (*c++) {
2859 if (*c == '_') {
2860 *c = '-';
2861 }
2862 }
2863
2864 siv = string_input_visitor_new(value);
2865 object_property_set(obj, string_input_get_visitor(siv), qom_name, &local_err);
2866 string_input_visitor_cleanup(siv);
2867 g_free(qom_name);
2868
2869 if (local_err) {
2870 qerror_report_err(local_err);
2871 error_free(local_err);
2872 return -1;
2873 }
2874
2875 return 0;
2876 }
2877
2878 static int object_create(QemuOpts *opts, void *opaque)
2879 {
2880 Error *err = NULL;
2881 char *type = NULL;
2882 char *id = NULL;
2883 void *dummy = NULL;
2884 OptsVisitor *ov;
2885 QDict *pdict;
2886
2887 ov = opts_visitor_new(opts);
2888 pdict = qemu_opts_to_qdict(opts, NULL);
2889
2890 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2891 if (err) {
2892 goto out;
2893 }
2894
2895 qdict_del(pdict, "qom-type");
2896 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2897 if (err) {
2898 goto out;
2899 }
2900
2901 qdict_del(pdict, "id");
2902 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2903 if (err) {
2904 goto out;
2905 }
2906
2907 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2908 if (err) {
2909 goto out;
2910 }
2911 visit_end_struct(opts_get_visitor(ov), &err);
2912 if (err) {
2913 qmp_object_del(id, NULL);
2914 }
2915
2916 out:
2917 opts_visitor_cleanup(ov);
2918
2919 QDECREF(pdict);
2920 g_free(id);
2921 g_free(type);
2922 g_free(dummy);
2923 if (err) {
2924 qerror_report_err(err);
2925 error_free(err);
2926 return -1;
2927 }
2928 return 0;
2929 }
2930
2931 int main(int argc, char **argv, char **envp)
2932 {
2933 int i;
2934 int snapshot, linux_boot;
2935 const char *initrd_filename;
2936 const char *kernel_filename, *kernel_cmdline;
2937 const char *boot_order;
2938 DisplayState *ds;
2939 int cyls, heads, secs, translation;
2940 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2941 QemuOptsList *olist;
2942 int optind;
2943 const char *optarg;
2944 const char *loadvm = NULL;
2945 MachineClass *machine_class;
2946 const char *cpu_model;
2947 const char *vga_model = NULL;
2948 const char *qtest_chrdev = NULL;
2949 const char *qtest_log = NULL;
2950 const char *pid_file = NULL;
2951 const char *incoming = NULL;
2952 #ifdef CONFIG_VNC
2953 int show_vnc_port = 0;
2954 #endif
2955 bool defconfig = true;
2956 bool userconfig = true;
2957 const char *log_mask = NULL;
2958 const char *log_file = NULL;
2959 GMemVTable mem_trace = {
2960 .malloc = malloc_and_trace,
2961 .realloc = realloc_and_trace,
2962 .free = free_and_trace,
2963 };
2964 const char *trace_events = NULL;
2965 const char *trace_file = NULL;
2966 const ram_addr_t default_ram_size = (ram_addr_t)DEFAULT_RAM_SIZE *
2967 1024 * 1024;
2968 ram_addr_t maxram_size = default_ram_size;
2969 uint64_t ram_slots = 0;
2970 FILE *vmstate_dump_file = NULL;
2971
2972 atexit(qemu_run_exit_notifiers);
2973 error_set_progname(argv[0]);
2974 qemu_init_exec_dir(argv[0]);
2975
2976 g_mem_set_vtable(&mem_trace);
2977
2978 module_call_init(MODULE_INIT_QOM);
2979
2980 qemu_add_opts(&qemu_drive_opts);
2981 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2982 qemu_add_drive_opts(&qemu_common_drive_opts);
2983 qemu_add_drive_opts(&qemu_drive_opts);
2984 qemu_add_opts(&qemu_chardev_opts);
2985 qemu_add_opts(&qemu_device_opts);
2986 qemu_add_opts(&qemu_netdev_opts);
2987 qemu_add_opts(&qemu_net_opts);
2988 qemu_add_opts(&qemu_rtc_opts);
2989 qemu_add_opts(&qemu_global_opts);
2990 qemu_add_opts(&qemu_mon_opts);
2991 qemu_add_opts(&qemu_trace_opts);
2992 qemu_add_opts(&qemu_option_rom_opts);
2993 qemu_add_opts(&qemu_machine_opts);
2994 qemu_add_opts(&qemu_mem_opts);
2995 qemu_add_opts(&qemu_smp_opts);
2996 qemu_add_opts(&qemu_boot_opts);
2997 qemu_add_opts(&qemu_sandbox_opts);
2998 qemu_add_opts(&qemu_add_fd_opts);
2999 qemu_add_opts(&qemu_object_opts);
3000 qemu_add_opts(&qemu_tpmdev_opts);
3001 qemu_add_opts(&qemu_realtime_opts);
3002 qemu_add_opts(&qemu_msg_opts);
3003 qemu_add_opts(&qemu_name_opts);
3004 qemu_add_opts(&qemu_numa_opts);
3005 qemu_add_opts(&qemu_icount_opts);
3006
3007 runstate_init();
3008
3009 rtc_clock = QEMU_CLOCK_HOST;
3010
3011 QLIST_INIT (&vm_change_state_head);
3012 os_setup_early_signal_handling();
3013
3014 module_call_init(MODULE_INIT_MACHINE);
3015 machine_class = find_default_machine();
3016 cpu_model = NULL;
3017 ram_size = default_ram_size;
3018 snapshot = 0;
3019 cyls = heads = secs = 0;
3020 translation = BIOS_ATA_TRANSLATION_AUTO;
3021
3022 for (i = 0; i < MAX_NODES; i++) {
3023 numa_info[i].node_mem = 0;
3024 numa_info[i].present = false;
3025 bitmap_zero(numa_info[i].node_cpu, MAX_CPUMASK_BITS);
3026 }
3027
3028 nb_numa_nodes = 0;
3029 max_numa_nodeid = 0;
3030 nb_nics = 0;
3031
3032 bdrv_init_with_whitelist();
3033
3034 autostart = 1;
3035
3036 /* first pass of option parsing */
3037 optind = 1;
3038 while (optind < argc) {
3039 if (argv[optind][0] != '-') {
3040 /* disk image */
3041 optind++;
3042 } else {
3043 const QEMUOption *popt;
3044
3045 popt = lookup_opt(argc, argv, &optarg, &optind);
3046 switch (popt->index) {
3047 case QEMU_OPTION_nodefconfig:
3048 defconfig = false;
3049 break;
3050 case QEMU_OPTION_nouserconfig:
3051 userconfig = false;
3052 break;
3053 }
3054 }
3055 }
3056
3057 if (defconfig) {
3058 int ret;
3059 ret = qemu_read_default_config_files(userconfig);
3060 if (ret < 0) {
3061 exit(1);
3062 }
3063 }
3064
3065 /* second pass of option parsing */
3066 optind = 1;
3067 for(;;) {
3068 if (optind >= argc)
3069 break;
3070 if (argv[optind][0] != '-') {
3071 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3072 } else {
3073 const QEMUOption *popt;
3074
3075 popt = lookup_opt(argc, argv, &optarg, &optind);
3076 if (!(popt->arch_mask & arch_type)) {
3077 printf("Option %s not supported for this target\n", popt->name);
3078 exit(1);
3079 }
3080 switch(popt->index) {
3081 case QEMU_OPTION_M:
3082 machine_class = machine_parse(optarg);
3083 break;
3084 case QEMU_OPTION_no_kvm_irqchip: {
3085 olist = qemu_find_opts("machine");
3086 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
3087 break;
3088 }
3089 case QEMU_OPTION_cpu:
3090 /* hw initialization will check this */
3091 cpu_model = optarg;
3092 break;
3093 case QEMU_OPTION_hda:
3094 {
3095 char buf[256];
3096 if (cyls == 0)
3097 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3098 else
3099 snprintf(buf, sizeof(buf),
3100 "%s,cyls=%d,heads=%d,secs=%d%s",
3101 HD_OPTS , cyls, heads, secs,
3102 translation == BIOS_ATA_TRANSLATION_LBA ?
3103 ",trans=lba" :
3104 translation == BIOS_ATA_TRANSLATION_NONE ?
3105 ",trans=none" : "");
3106 drive_add(IF_DEFAULT, 0, optarg, buf);
3107 break;
3108 }
3109 case QEMU_OPTION_hdb:
3110 case QEMU_OPTION_hdc:
3111 case QEMU_OPTION_hdd:
3112 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3113 HD_OPTS);
3114 break;
3115 case QEMU_OPTION_drive:
3116 if (drive_def(optarg) == NULL) {
3117 exit(1);
3118 }
3119 break;
3120 case QEMU_OPTION_set:
3121 if (qemu_set_option(optarg) != 0)
3122 exit(1);
3123 break;
3124 case QEMU_OPTION_global:
3125 if (qemu_global_option(optarg) != 0)
3126 exit(1);
3127 break;
3128 case QEMU_OPTION_mtdblock:
3129 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3130 break;
3131 case QEMU_OPTION_sd:
3132 drive_add(IF_SD, -1, optarg, SD_OPTS);
3133 break;
3134 case QEMU_OPTION_pflash:
3135 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3136 break;
3137 case QEMU_OPTION_snapshot:
3138 snapshot = 1;
3139 break;
3140 case QEMU_OPTION_hdachs:
3141 {
3142 const char *p;
3143 p = optarg;
3144 cyls = strtol(p, (char **)&p, 0);
3145 if (cyls < 1 || cyls > 16383)
3146 goto chs_fail;
3147 if (*p != ',')
3148 goto chs_fail;
3149 p++;
3150 heads = strtol(p, (char **)&p, 0);
3151 if (heads < 1 || heads > 16)
3152 goto chs_fail;
3153 if (*p != ',')
3154 goto chs_fail;
3155 p++;
3156 secs = strtol(p, (char **)&p, 0);
3157 if (secs < 1 || secs > 63)
3158 goto chs_fail;
3159 if (*p == ',') {
3160 p++;
3161 if (!strcmp(p, "large")) {
3162 translation = BIOS_ATA_TRANSLATION_LARGE;
3163 } else if (!strcmp(p, "rechs")) {
3164 translation = BIOS_ATA_TRANSLATION_RECHS;
3165 } else if (!strcmp(p, "none")) {
3166 translation = BIOS_ATA_TRANSLATION_NONE;
3167 } else if (!strcmp(p, "lba")) {
3168 translation = BIOS_ATA_TRANSLATION_LBA;
3169 } else if (!strcmp(p, "auto")) {
3170 translation = BIOS_ATA_TRANSLATION_AUTO;
3171 } else {
3172 goto chs_fail;
3173 }
3174 } else if (*p != '\0') {
3175 chs_fail:
3176 fprintf(stderr, "qemu: invalid physical CHS format\n");
3177 exit(1);
3178 }
3179 if (hda_opts != NULL) {
3180 char num[16];
3181 snprintf(num, sizeof(num), "%d", cyls);
3182 qemu_opt_set(hda_opts, "cyls", num);
3183 snprintf(num, sizeof(num), "%d", heads);
3184 qemu_opt_set(hda_opts, "heads", num);
3185 snprintf(num, sizeof(num), "%d", secs);
3186 qemu_opt_set(hda_opts, "secs", num);
3187 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3188 qemu_opt_set(hda_opts, "trans", "large");
3189 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3190 qemu_opt_set(hda_opts, "trans", "rechs");
3191 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3192 qemu_opt_set(hda_opts, "trans", "lba");
3193 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3194 qemu_opt_set(hda_opts, "trans", "none");
3195 }
3196 }
3197 }
3198 break;
3199 case QEMU_OPTION_numa:
3200 opts = qemu_opts_parse(qemu_find_opts("numa"), optarg, 1);
3201 if (!opts) {
3202 exit(1);
3203 }
3204 break;
3205 case QEMU_OPTION_display:
3206 display_type = select_display(optarg);
3207 break;
3208 case QEMU_OPTION_nographic:
3209 display_type = DT_NOGRAPHIC;
3210 break;
3211 case QEMU_OPTION_curses:
3212 #ifdef CONFIG_CURSES
3213 display_type = DT_CURSES;
3214 #else
3215 fprintf(stderr, "Curses support is disabled\n");
3216 exit(1);
3217 #endif
3218 break;
3219 case QEMU_OPTION_portrait:
3220 graphic_rotate = 90;
3221 break;
3222 case QEMU_OPTION_rotate:
3223 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3224 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3225 graphic_rotate != 180 && graphic_rotate != 270) {
3226 fprintf(stderr,
3227 "qemu: only 90, 180, 270 deg rotation is available\n");
3228 exit(1);
3229 }
3230 break;
3231 case QEMU_OPTION_kernel:
3232 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3233 break;
3234 case QEMU_OPTION_initrd:
3235 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3236 break;
3237 case QEMU_OPTION_append:
3238 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3239 break;
3240 case QEMU_OPTION_dtb:
3241 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3242 break;
3243 case QEMU_OPTION_cdrom:
3244 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3245 break;
3246 case QEMU_OPTION_boot:
3247 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3248 if (!opts) {
3249 exit(1);
3250 }
3251 break;
3252 case QEMU_OPTION_fda:
3253 case QEMU_OPTION_fdb:
3254 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3255 optarg, FD_OPTS);
3256 break;
3257 case QEMU_OPTION_no_fd_bootchk:
3258 fd_bootchk = 0;
3259 break;
3260 case QEMU_OPTION_netdev:
3261 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3262 exit(1);
3263 }
3264 break;
3265 case QEMU_OPTION_net:
3266 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3267 exit(1);
3268 }
3269 break;
3270 #ifdef CONFIG_LIBISCSI
3271 case QEMU_OPTION_iscsi:
3272 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3273 if (!opts) {
3274 exit(1);
3275 }
3276 break;
3277 #endif
3278 #ifdef CONFIG_SLIRP
3279 case QEMU_OPTION_tftp:
3280 legacy_tftp_prefix = optarg;
3281 break;
3282 case QEMU_OPTION_bootp:
3283 legacy_bootp_filename = optarg;
3284 break;
3285 case QEMU_OPTION_redir:
3286 if (net_slirp_redir(optarg) < 0)
3287 exit(1);
3288 break;
3289 #endif
3290 case QEMU_OPTION_bt:
3291 add_device_config(DEV_BT, optarg);
3292 break;
3293 case QEMU_OPTION_audio_help:
3294 AUD_help ();
3295 exit (0);
3296 break;
3297 case QEMU_OPTION_soundhw:
3298 select_soundhw (optarg);
3299 break;
3300 case QEMU_OPTION_h:
3301 help(0);
3302 break;
3303 case QEMU_OPTION_version:
3304 version();
3305 exit(0);
3306 break;
3307 case QEMU_OPTION_m: {
3308 uint64_t sz;
3309 const char *mem_str;
3310 const char *maxmem_str, *slots_str;
3311
3312 opts = qemu_opts_parse(qemu_find_opts("memory"),
3313 optarg, 1);
3314 if (!opts) {
3315 exit(EXIT_FAILURE);
3316 }
3317
3318 mem_str = qemu_opt_get(opts, "size");
3319 if (!mem_str) {
3320 error_report("invalid -m option, missing 'size' option");
3321 exit(EXIT_FAILURE);
3322 }
3323 if (!*mem_str) {
3324 error_report("missing 'size' option value");
3325 exit(EXIT_FAILURE);
3326 }
3327
3328 sz = qemu_opt_get_size(opts, "size", ram_size);
3329
3330 /* Fix up legacy suffix-less format */
3331 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
3332 uint64_t overflow_check = sz;
3333
3334 sz <<= 20;
3335 if ((sz >> 20) != overflow_check) {
3336 error_report("too large 'size' option value");
3337 exit(EXIT_FAILURE);
3338 }
3339 }
3340
3341 /* backward compatibility behaviour for case "-m 0" */
3342 if (sz == 0) {
3343 sz = default_ram_size;
3344 }
3345
3346 sz = QEMU_ALIGN_UP(sz, 8192);
3347 ram_size = sz;
3348 if (ram_size != sz) {
3349 error_report("ram size too large");
3350 exit(EXIT_FAILURE);
3351 }
3352 maxram_size = ram_size;
3353
3354 maxmem_str = qemu_opt_get(opts, "maxmem");
3355 slots_str = qemu_opt_get(opts, "slots");
3356 if (maxmem_str && slots_str) {
3357 uint64_t slots;
3358
3359 sz = qemu_opt_get_size(opts, "maxmem", 0);
3360 if (sz < ram_size) {
3361 fprintf(stderr, "qemu: invalid -m option value: maxmem "
3362 "(%" PRIu64 ") <= initial memory ("
3363 RAM_ADDR_FMT ")\n", sz, ram_size);
3364 exit(EXIT_FAILURE);
3365 }
3366
3367 slots = qemu_opt_get_number(opts, "slots", 0);
3368 if ((sz > ram_size) && !slots) {
3369 fprintf(stderr, "qemu: invalid -m option value: maxmem "
3370 "(%" PRIu64 ") more than initial memory ("
3371 RAM_ADDR_FMT ") but no hotplug slots where "
3372 "specified\n", sz, ram_size);
3373 exit(EXIT_FAILURE);
3374 }
3375
3376 if ((sz <= ram_size) && slots) {
3377 fprintf(stderr, "qemu: invalid -m option value: %"
3378 PRIu64 " hotplug slots where specified but "
3379 "maxmem (%" PRIu64 ") <= initial memory ("
3380 RAM_ADDR_FMT ")\n", slots, sz, ram_size);
3381 exit(EXIT_FAILURE);
3382 }
3383 maxram_size = sz;
3384 ram_slots = slots;
3385 } else if ((!maxmem_str && slots_str) ||
3386 (maxmem_str && !slots_str)) {
3387 fprintf(stderr, "qemu: invalid -m option value: missing "
3388 "'%s' option\n", slots_str ? "maxmem" : "slots");
3389 exit(EXIT_FAILURE);
3390 }
3391 break;
3392 }
3393 #ifdef CONFIG_TPM
3394 case QEMU_OPTION_tpmdev:
3395 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3396 exit(1);
3397 }
3398 break;
3399 #endif
3400 case QEMU_OPTION_mempath:
3401 mem_path = optarg;
3402 break;
3403 case QEMU_OPTION_mem_prealloc:
3404 mem_prealloc = 1;
3405 break;
3406 case QEMU_OPTION_d:
3407 log_mask = optarg;
3408 break;
3409 case QEMU_OPTION_D:
3410 log_file = optarg;
3411 break;
3412 case QEMU_OPTION_s:
3413 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3414 break;
3415 case QEMU_OPTION_gdb:
3416 add_device_config(DEV_GDB, optarg);
3417 break;
3418 case QEMU_OPTION_L:
3419 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3420 data_dir[data_dir_idx++] = optarg;
3421 }
3422 break;
3423 case QEMU_OPTION_bios:
3424 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg);
3425 break;
3426 case QEMU_OPTION_singlestep:
3427 singlestep = 1;
3428 break;
3429 case QEMU_OPTION_S:
3430 autostart = 0;
3431 break;
3432 case QEMU_OPTION_k:
3433 keyboard_layout = optarg;
3434 break;
3435 case QEMU_OPTION_localtime:
3436 rtc_utc = 0;
3437 break;
3438 case QEMU_OPTION_vga:
3439 vga_model = optarg;
3440 default_vga = 0;
3441 break;
3442 case QEMU_OPTION_g:
3443 {
3444 const char *p;
3445 int w, h, depth;
3446 p = optarg;
3447 w = strtol(p, (char **)&p, 10);
3448 if (w <= 0) {
3449 graphic_error:
3450 fprintf(stderr, "qemu: invalid resolution or depth\n");
3451 exit(1);
3452 }
3453 if (*p != 'x')
3454 goto graphic_error;
3455 p++;
3456 h = strtol(p, (char **)&p, 10);
3457 if (h <= 0)
3458 goto graphic_error;
3459 if (*p == 'x') {
3460 p++;
3461 depth = strtol(p, (char **)&p, 10);
3462 if (depth != 8 && depth != 15 && depth != 16 &&
3463 depth != 24 && depth != 32)
3464 goto graphic_error;
3465 } else if (*p == '\0') {
3466 depth = graphic_depth;
3467 } else {
3468 goto graphic_error;
3469 }
3470
3471 graphic_width = w;
3472 graphic_height = h;
3473 graphic_depth = depth;
3474 }
3475 break;
3476 case QEMU_OPTION_echr:
3477 {
3478 char *r;
3479 term_escape_char = strtol(optarg, &r, 0);
3480 if (r == optarg)
3481 printf("Bad argument to echr\n");
3482 break;
3483 }
3484 case QEMU_OPTION_monitor:
3485 default_monitor = 0;
3486 if (strncmp(optarg, "none", 4)) {
3487 monitor_parse(optarg, "readline");
3488 }
3489 break;
3490 case QEMU_OPTION_qmp:
3491 monitor_parse(optarg, "control");
3492 default_monitor = 0;
3493 break;
3494 case QEMU_OPTION_mon:
3495 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3496 if (!opts) {
3497 exit(1);
3498 }
3499 default_monitor = 0;
3500 break;
3501 case QEMU_OPTION_chardev:
3502 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3503 if (!opts) {
3504 exit(1);
3505 }
3506 break;
3507 case QEMU_OPTION_fsdev:
3508 olist = qemu_find_opts("fsdev");
3509 if (!olist) {
3510 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3511 exit(1);
3512 }
3513 opts = qemu_opts_parse(olist, optarg, 1);
3514 if (!opts) {
3515 exit(1);
3516 }
3517 break;
3518 case QEMU_OPTION_virtfs: {
3519 QemuOpts *fsdev;
3520 QemuOpts *device;
3521 const char *writeout, *sock_fd, *socket;
3522
3523 olist = qemu_find_opts("virtfs");
3524 if (!olist) {
3525 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3526 exit(1);
3527 }
3528 opts = qemu_opts_parse(olist, optarg, 1);
3529 if (!opts) {
3530 exit(1);
3531 }
3532
3533 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3534 qemu_opt_get(opts, "mount_tag") == NULL) {
3535 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3536 exit(1);
3537 }
3538 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3539 qemu_opt_get(opts, "mount_tag"),
3540 1, NULL);
3541 if (!fsdev) {
3542 fprintf(stderr, "duplicate fsdev id: %s\n",
3543 qemu_opt_get(opts, "mount_tag"));
3544 exit(1);
3545 }
3546
3547 writeout = qemu_opt_get(opts, "writeout");
3548 if (writeout) {
3549 #ifdef CONFIG_SYNC_FILE_RANGE
3550 qemu_opt_set(fsdev, "writeout", writeout);
3551 #else
3552 fprintf(stderr, "writeout=immediate not supported on "
3553 "this platform\n");
3554 exit(1);
3555 #endif
3556 }
3557 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3558 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3559 qemu_opt_set(fsdev, "security_model",
3560 qemu_opt_get(opts, "security_model"));
3561 socket = qemu_opt_get(opts, "socket");
3562 if (socket) {
3563 qemu_opt_set(fsdev, "socket", socket);
3564 }
3565 sock_fd = qemu_opt_get(opts, "sock_fd");
3566 if (sock_fd) {
3567 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3568 }
3569
3570 qemu_opt_set_bool(fsdev, "readonly",
3571 qemu_opt_get_bool(opts, "readonly", 0));
3572 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3573 &error_abort);
3574 qemu_opt_set(device, "driver", "virtio-9p-pci");
3575 qemu_opt_set(device, "fsdev",
3576 qemu_opt_get(opts, "mount_tag"));
3577 qemu_opt_set(device, "mount_tag",
3578 qemu_opt_get(opts, "mount_tag"));
3579 break;
3580 }
3581 case QEMU_OPTION_virtfs_synth: {
3582 QemuOpts *fsdev;
3583 QemuOpts *device;
3584
3585 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3586 1, NULL);
3587 if (!fsdev) {
3588 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3589 exit(1);
3590 }
3591 qemu_opt_set(fsdev, "fsdriver", "synth");
3592
3593 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3594 &error_abort);
3595 qemu_opt_set(device, "driver", "virtio-9p-pci");
3596 qemu_opt_set(device, "fsdev", "v_synth");
3597 qemu_opt_set(device, "mount_tag", "v_synth");
3598 break;
3599 }
3600 case QEMU_OPTION_serial:
3601 add_device_config(DEV_SERIAL, optarg);
3602 default_serial = 0;
3603 if (strncmp(optarg, "mon:", 4) == 0) {
3604 default_monitor = 0;
3605 }
3606 break;
3607 case QEMU_OPTION_watchdog:
3608 if (watchdog) {
3609 fprintf(stderr,
3610 "qemu: only one watchdog option may be given\n");
3611 return 1;
3612 }
3613 watchdog = optarg;
3614 break;
3615 case QEMU_OPTION_watchdog_action:
3616 if (select_watchdog_action(optarg) == -1) {
3617 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3618 exit(1);
3619 }
3620 break;
3621 case QEMU_OPTION_virtiocon:
3622 add_device_config(DEV_VIRTCON, optarg);
3623 default_virtcon = 0;
3624 if (strncmp(optarg, "mon:", 4) == 0) {
3625 default_monitor = 0;
3626 }
3627 break;
3628 case QEMU_OPTION_parallel:
3629 add_device_config(DEV_PARALLEL, optarg);
3630 default_parallel = 0;
3631 if (strncmp(optarg, "mon:", 4) == 0) {
3632 default_monitor = 0;
3633 }
3634 break;
3635 case QEMU_OPTION_debugcon:
3636 add_device_config(DEV_DEBUGCON, optarg);
3637 break;
3638 case QEMU_OPTION_loadvm:
3639 loadvm = optarg;
3640 break;
3641 case QEMU_OPTION_full_screen:
3642 full_screen = 1;
3643 break;
3644 case QEMU_OPTION_no_frame:
3645 no_frame = 1;
3646 break;
3647 case QEMU_OPTION_alt_grab:
3648 alt_grab = 1;
3649 break;
3650 case QEMU_OPTION_ctrl_grab:
3651 ctrl_grab = 1;
3652 break;
3653 case QEMU_OPTION_no_quit:
3654 no_quit = 1;
3655 break;
3656 case QEMU_OPTION_sdl:
3657 #ifdef CONFIG_SDL
3658 display_type = DT_SDL;
3659 break;
3660 #else
3661 fprintf(stderr, "SDL support is disabled\n");
3662 exit(1);
3663 #endif
3664 case QEMU_OPTION_pidfile:
3665 pid_file = optarg;
3666 break;
3667 case QEMU_OPTION_win2k_hack:
3668 win2k_install_hack = 1;
3669 break;
3670 case QEMU_OPTION_rtc_td_hack: {
3671 static GlobalProperty slew_lost_ticks[] = {
3672 {
3673 .driver = "mc146818rtc",
3674 .property = "lost_tick_policy",
3675 .value = "slew",
3676 },
3677 { /* end of list */ }
3678 };
3679
3680 qdev_prop_register_global_list(slew_lost_ticks);
3681 break;
3682 }
3683 case QEMU_OPTION_acpitable:
3684 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3685 if (!opts) {
3686 exit(1);
3687 }
3688 do_acpitable_option(opts);
3689 break;
3690 case QEMU_OPTION_smbios:
3691 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3692 if (!opts) {
3693 exit(1);
3694 }
3695 do_smbios_option(opts);
3696 break;
3697 case QEMU_OPTION_enable_kvm:
3698 olist = qemu_find_opts("machine");
3699 qemu_opts_parse(olist, "accel=kvm", 0);
3700 break;
3701 case QEMU_OPTION_machine:
3702 olist = qemu_find_opts("machine");
3703 opts = qemu_opts_parse(olist, optarg, 1);
3704 if (!opts) {
3705 exit(1);
3706 }
3707 optarg = qemu_opt_get(opts, "type");
3708 if (optarg) {
3709 machine_class = machine_parse(optarg);
3710 }
3711 break;
3712 case QEMU_OPTION_no_kvm:
3713 olist = qemu_find_opts("machine");
3714 qemu_opts_parse(olist, "accel=tcg", 0);
3715 break;
3716 case QEMU_OPTION_no_kvm_pit: {
3717 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3718 "separately.\n");
3719 break;
3720 }
3721 case QEMU_OPTION_no_kvm_pit_reinjection: {
3722 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3723 {
3724 .driver = "kvm-pit",
3725 .property = "lost_tick_policy",
3726 .value = "discard",
3727 },
3728 { /* end of list */ }
3729 };
3730
3731 fprintf(stderr, "Warning: option deprecated, use "
3732 "lost_tick_policy property of kvm-pit instead.\n");
3733 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3734 break;
3735 }
3736 case QEMU_OPTION_usb:
3737 olist = qemu_find_opts("machine");
3738 qemu_opts_parse(olist, "usb=on", 0);
3739 break;
3740 case QEMU_OPTION_usbdevice:
3741 olist = qemu_find_opts("machine");
3742 qemu_opts_parse(olist, "usb=on", 0);
3743 add_device_config(DEV_USB, optarg);
3744 break;
3745 case QEMU_OPTION_device:
3746 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3747 exit(1);
3748 }
3749 break;
3750 case QEMU_OPTION_smp:
3751 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3752 exit(1);
3753 }
3754 break;
3755 case QEMU_OPTION_vnc:
3756 #ifdef CONFIG_VNC
3757 display_remote++;
3758 vnc_display = optarg;
3759 #else
3760 fprintf(stderr, "VNC support is disabled\n");
3761 exit(1);
3762 #endif
3763 break;
3764 case QEMU_OPTION_no_acpi:
3765 acpi_enabled = 0;
3766 break;
3767 case QEMU_OPTION_no_hpet:
3768 no_hpet = 1;
3769 break;
3770 case QEMU_OPTION_balloon:
3771 if (balloon_parse(optarg) < 0) {
3772 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3773 exit(1);
3774 }
3775 break;
3776 case QEMU_OPTION_no_reboot:
3777 no_reboot = 1;
3778 break;
3779 case QEMU_OPTION_no_shutdown:
3780 no_shutdown = 1;
3781 break;
3782 case QEMU_OPTION_show_cursor:
3783 cursor_hide = 0;
3784 break;
3785 case QEMU_OPTION_uuid:
3786 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3787 fprintf(stderr, "Fail to parse UUID string."
3788 " Wrong format.\n");
3789 exit(1);
3790 }
3791 qemu_uuid_set = true;
3792 break;
3793 case QEMU_OPTION_option_rom:
3794 if (nb_option_roms >= MAX_OPTION_ROMS) {
3795 fprintf(stderr, "Too many option ROMs\n");
3796 exit(1);
3797 }
3798 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3799 if (!opts) {
3800 exit(1);
3801 }
3802 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3803 option_rom[nb_option_roms].bootindex =
3804 qemu_opt_get_number(opts, "bootindex", -1);
3805 if (!option_rom[nb_option_roms].name) {
3806 fprintf(stderr, "Option ROM file is not specified\n");
3807 exit(1);
3808 }
3809 nb_option_roms++;
3810 break;
3811 case QEMU_OPTION_semihosting:
3812 semihosting_enabled = 1;
3813 break;
3814 case QEMU_OPTION_tdf:
3815 fprintf(stderr, "Warning: user space PIT time drift fix "
3816 "is no longer supported.\n");
3817 break;
3818 case QEMU_OPTION_name:
3819 opts = qemu_opts_parse(qemu_find_opts("name"), optarg, 1);
3820 if (!opts) {
3821 exit(1);
3822 }
3823 break;
3824 case QEMU_OPTION_prom_env:
3825 if (nb_prom_envs >= MAX_PROM_ENVS) {
3826 fprintf(stderr, "Too many prom variables\n");
3827 exit(1);
3828 }
3829 prom_envs[nb_prom_envs] = optarg;
3830 nb_prom_envs++;
3831 break;
3832 case QEMU_OPTION_old_param:
3833 old_param = 1;
3834 break;
3835 case QEMU_OPTION_clock:
3836 /* Clock options no longer exist. Keep this option for
3837 * backward compatibility.
3838 */
3839 break;
3840 case QEMU_OPTION_startdate:
3841 configure_rtc_date_offset(optarg, 1);
3842 break;
3843 case QEMU_OPTION_rtc:
3844 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3845 if (!opts) {
3846 exit(1);
3847 }
3848 configure_rtc(opts);
3849 break;
3850 case QEMU_OPTION_tb_size:
3851 tcg_tb_size = strtol(optarg, NULL, 0);
3852 if (tcg_tb_size < 0) {
3853 tcg_tb_size = 0;
3854 }
3855 break;
3856 case QEMU_OPTION_icount:
3857 icount_opts = qemu_opts_parse(qemu_find_opts("icount"),
3858 optarg, 1);
3859 if (!icount_opts) {
3860 exit(1);
3861 }
3862 break;
3863 case QEMU_OPTION_incoming:
3864 incoming = optarg;
3865 runstate_set(RUN_STATE_INMIGRATE);
3866 break;
3867 case QEMU_OPTION_nodefaults:
3868 has_defaults = 0;
3869 break;
3870 case QEMU_OPTION_xen_domid:
3871 if (!(xen_available())) {
3872 printf("Option %s not supported for this target\n", popt->name);
3873 exit(1);
3874 }
3875 xen_domid = atoi(optarg);
3876 break;
3877 case QEMU_OPTION_xen_create:
3878 if (!(xen_available())) {
3879 printf("Option %s not supported for this target\n", popt->name);
3880 exit(1);
3881 }
3882 xen_mode = XEN_CREATE;
3883 break;
3884 case QEMU_OPTION_xen_attach:
3885 if (!(xen_available())) {
3886 printf("Option %s not supported for this target\n", popt->name);
3887 exit(1);
3888 }
3889 xen_mode = XEN_ATTACH;
3890 break;
3891 case QEMU_OPTION_trace:
3892 {
3893 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3894 if (!opts) {
3895 exit(1);
3896 }
3897 trace_events = qemu_opt_get(opts, "events");
3898 trace_file = qemu_opt_get(opts, "file");
3899 break;
3900 }
3901 case QEMU_OPTION_readconfig:
3902 {
3903 int ret = qemu_read_config_file(optarg);
3904 if (ret < 0) {
3905 fprintf(stderr, "read config %s: %s\n", optarg,
3906 strerror(-ret));
3907 exit(1);
3908 }
3909 break;
3910 }
3911 case QEMU_OPTION_spice:
3912 olist = qemu_find_opts("spice");
3913 if (!olist) {
3914 fprintf(stderr, "spice is not supported by this qemu build.\n");
3915 exit(1);
3916 }
3917 opts = qemu_opts_parse(olist, optarg, 0);
3918 if (!opts) {
3919 exit(1);
3920 }
3921 display_remote++;
3922 break;
3923 case QEMU_OPTION_writeconfig:
3924 {
3925 FILE *fp;
3926 if (strcmp(optarg, "-") == 0) {
3927 fp = stdout;
3928 } else {
3929 fp = fopen(optarg, "w");
3930 if (fp == NULL) {
3931 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3932 exit(1);
3933 }
3934 }
3935 qemu_config_write(fp);
3936 if (fp != stdout) {
3937 fclose(fp);
3938 }
3939 break;
3940 }
3941 case QEMU_OPTION_qtest:
3942 qtest_chrdev = optarg;
3943 break;
3944 case QEMU_OPTION_qtest_log:
3945 qtest_log = optarg;
3946 break;
3947 case QEMU_OPTION_sandbox:
3948 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3949 if (!opts) {
3950 exit(1);
3951 }
3952 break;
3953 case QEMU_OPTION_add_fd:
3954 #ifndef _WIN32
3955 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3956 if (!opts) {
3957 exit(1);
3958 }
3959 #else
3960 error_report("File descriptor passing is disabled on this "
3961 "platform");
3962 exit(1);
3963 #endif
3964 break;
3965 case QEMU_OPTION_object:
3966 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3967 if (!opts) {
3968 exit(1);
3969 }
3970 break;
3971 case QEMU_OPTION_realtime:
3972 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3973 if (!opts) {
3974 exit(1);
3975 }
3976 configure_realtime(opts);
3977 break;
3978 case QEMU_OPTION_msg:
3979 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3980 if (!opts) {
3981 exit(1);
3982 }
3983 configure_msg(opts);
3984 break;
3985 case QEMU_OPTION_dump_vmstate:
3986 vmstate_dump_file = fopen(optarg, "w");
3987 if (vmstate_dump_file == NULL) {
3988 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3989 exit(1);
3990 }
3991 break;
3992 default:
3993 os_parse_cmd_args(popt->index, optarg);
3994 }
3995 }
3996 }
3997 loc_set_none();
3998
3999 os_daemonize();
4000
4001 if (qemu_init_main_loop()) {
4002 fprintf(stderr, "qemu_init_main_loop failed\n");
4003 exit(1);
4004 }
4005
4006 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
4007 exit(1);
4008 }
4009
4010 if (qemu_opts_foreach(qemu_find_opts("name"), parse_name, NULL, 1)) {
4011 exit(1);
4012 }
4013
4014 #ifndef _WIN32
4015 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
4016 exit(1);
4017 }
4018
4019 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
4020 exit(1);
4021 }
4022 #endif
4023
4024 if (machine_class == NULL) {
4025 fprintf(stderr, "No machine specified, and there is no default.\n"
4026 "Use -machine help to list supported machines!\n");
4027 exit(1);
4028 }
4029
4030 current_machine = MACHINE(object_new(object_class_get_name(
4031 OBJECT_CLASS(machine_class))));
4032 object_property_add_child(object_get_root(), "machine",
4033 OBJECT(current_machine), &error_abort);
4034 cpu_exec_init_all();
4035
4036 if (machine_class->hw_version) {
4037 qemu_set_version(machine_class->hw_version);
4038 }
4039
4040 if (qemu_opts_foreach(qemu_find_opts("object"),
4041 object_create, NULL, 0) != 0) {
4042 exit(1);
4043 }
4044
4045 /* Init CPU def lists, based on config
4046 * - Must be called after all the qemu_read_config_file() calls
4047 * - Must be called before list_cpus()
4048 * - Must be called before machine->init()
4049 */
4050 cpudef_init();
4051
4052 if (cpu_model && is_help_option(cpu_model)) {
4053 list_cpus(stdout, &fprintf, cpu_model);
4054 exit(0);
4055 }
4056
4057 /* Open the logfile at this point, if necessary. We can't open the logfile
4058 * when encountering either of the logging options (-d or -D) because the
4059 * other one may be encountered later on the command line, changing the
4060 * location or level of logging.
4061 */
4062 if (log_mask) {
4063 int mask;
4064 if (log_file) {
4065 qemu_set_log_filename(log_file);
4066 }
4067
4068 mask = qemu_str_to_log_mask(log_mask);
4069 if (!mask) {
4070 qemu_print_log_usage(stdout);
4071 exit(1);
4072 }
4073 qemu_set_log(mask);
4074 }
4075
4076 if (!is_daemonized()) {
4077 if (!trace_init_backends(trace_events, trace_file)) {
4078 exit(1);
4079 }
4080 }
4081
4082 /* If no data_dir is specified then try to find it relative to the
4083 executable path. */
4084 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4085 data_dir[data_dir_idx] = os_find_datadir();
4086 if (data_dir[data_dir_idx] != NULL) {
4087 data_dir_idx++;
4088 }
4089 }
4090 /* If all else fails use the install path specified when building. */
4091 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4092 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4093 }
4094
4095 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4096
4097 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4098 if (smp_cpus > machine_class->max_cpus) {
4099 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
4100 "supported by machine `%s' (%d)\n", smp_cpus,
4101 machine_class->name, machine_class->max_cpus);
4102 exit(1);
4103 }
4104
4105 /*
4106 * Get the default machine options from the machine if it is not already
4107 * specified either by the configuration file or by the command line.
4108 */
4109 if (machine_class->default_machine_opts) {
4110 qemu_opts_set_defaults(qemu_find_opts("machine"),
4111 machine_class->default_machine_opts, 0);
4112 }
4113
4114 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
4115 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
4116
4117 if (!vga_model && !default_vga) {
4118 vga_interface_type = VGA_DEVICE;
4119 }
4120 if (!has_defaults || machine_class->no_serial) {
4121 default_serial = 0;
4122 }
4123 if (!has_defaults || machine_class->no_parallel) {
4124 default_parallel = 0;
4125 }
4126 if (!has_defaults || !machine_class->use_virtcon) {
4127 default_virtcon = 0;
4128 }
4129 if (!has_defaults || !machine_class->use_sclp) {
4130 default_sclp = 0;
4131 }
4132 if (!has_defaults || machine_class->no_floppy) {
4133 default_floppy = 0;
4134 }
4135 if (!has_defaults || machine_class->no_cdrom) {
4136 default_cdrom = 0;
4137 }
4138 if (!has_defaults || machine_class->no_sdcard) {
4139 default_sdcard = 0;
4140 }
4141 if (!has_defaults) {
4142 default_monitor = 0;
4143 default_net = 0;
4144 default_vga = 0;
4145 }
4146
4147 if (is_daemonized()) {
4148 /* According to documentation and historically, -nographic redirects
4149 * serial port, parallel port and monitor to stdio, which does not work
4150 * with -daemonize. We can redirect these to null instead, but since
4151 * -nographic is legacy, let's just error out.
4152 * We disallow -nographic only if all other ports are not redirected
4153 * explicitly, to not break existing legacy setups which uses
4154 * -nographic _and_ redirects all ports explicitly - this is valid
4155 * usage, -nographic is just a no-op in this case.
4156 */
4157 if (display_type == DT_NOGRAPHIC
4158 && (default_parallel || default_serial
4159 || default_monitor || default_virtcon)) {
4160 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4161 exit(1);
4162 }
4163 #ifdef CONFIG_CURSES
4164 if (display_type == DT_CURSES) {
4165 fprintf(stderr, "curses display can not be used with -daemonize\n");
4166 exit(1);
4167 }
4168 #endif
4169 }
4170
4171 if (display_type == DT_NOGRAPHIC) {
4172 if (default_parallel)
4173 add_device_config(DEV_PARALLEL, "null");
4174 if (default_serial && default_monitor) {
4175 add_device_config(DEV_SERIAL, "mon:stdio");
4176 } else if (default_virtcon && default_monitor) {
4177 add_device_config(DEV_VIRTCON, "mon:stdio");
4178 } else if (default_sclp && default_monitor) {
4179 add_device_config(DEV_SCLP, "mon:stdio");
4180 } else {
4181 if (default_serial)
4182 add_device_config(DEV_SERIAL, "stdio");
4183 if (default_virtcon)
4184 add_device_config(DEV_VIRTCON, "stdio");
4185 if (default_sclp) {
4186 add_device_config(DEV_SCLP, "stdio");
4187 }
4188 if (default_monitor)
4189 monitor_parse("stdio", "readline");
4190 }
4191 } else {
4192 if (default_serial)
4193 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4194 if (default_parallel)
4195 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4196 if (default_monitor)
4197 monitor_parse("vc:80Cx24C", "readline");
4198 if (default_virtcon)
4199 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4200 if (default_sclp) {
4201 add_device_config(DEV_SCLP, "vc:80Cx24C");
4202 }
4203 }
4204
4205 if (display_type == DT_DEFAULT && !display_remote) {
4206 #if defined(CONFIG_GTK)
4207 display_type = DT_GTK;
4208 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4209 display_type = DT_SDL;
4210 #elif defined(CONFIG_VNC)
4211 vnc_display = "localhost:0,to=99";
4212 show_vnc_port = 1;
4213 #else
4214 display_type = DT_NONE;
4215 #endif
4216 }
4217
4218 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4219 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4220 "for SDL, ignoring option\n");
4221 }
4222 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4223 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4224 "ignoring option\n");
4225 }
4226
4227 #if defined(CONFIG_GTK)
4228 if (display_type == DT_GTK) {
4229 early_gtk_display_init();
4230 }
4231 #endif
4232
4233 socket_init();
4234
4235 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4236 exit(1);
4237 #ifdef CONFIG_VIRTFS
4238 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4239 exit(1);
4240 }
4241 #endif
4242
4243 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4244 os_pidfile_error();
4245 exit(1);
4246 }
4247
4248 /* store value for the future use */
4249 qemu_opt_set_number(qemu_find_opts_singleton("memory"), "size", ram_size);
4250
4251 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4252 != 0) {
4253 exit(0);
4254 }
4255
4256 machine_opts = qemu_get_machine_opts();
4257 if (qemu_opt_foreach(machine_opts, object_set_property, current_machine,
4258 1) < 0) {
4259 object_unref(OBJECT(current_machine));
4260 exit(1);
4261 }
4262
4263 configure_accelerator(machine_class);
4264
4265 if (qtest_chrdev) {
4266 Error *local_err = NULL;
4267 qtest_init(qtest_chrdev, qtest_log, &local_err);
4268 if (local_err) {
4269 error_report("%s", error_get_pretty(local_err));
4270 error_free(local_err);
4271 exit(1);
4272 }
4273 }
4274
4275 machine_opts = qemu_get_machine_opts();
4276 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4277 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4278 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4279 bios_name = qemu_opt_get(machine_opts, "firmware");
4280
4281 boot_order = machine_class->default_boot_order;
4282 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4283 if (opts) {
4284 char *normal_boot_order;
4285 const char *order, *once;
4286
4287 order = qemu_opt_get(opts, "order");
4288 if (order) {
4289 validate_bootdevices(order);
4290 boot_order = order;
4291 }
4292
4293 once = qemu_opt_get(opts, "once");
4294 if (once) {
4295 validate_bootdevices(once);
4296 normal_boot_order = g_strdup(boot_order);
4297 boot_order = once;
4298 qemu_register_reset(restore_boot_order, normal_boot_order);
4299 }
4300
4301 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4302 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4303 }
4304
4305 if (!kernel_cmdline) {
4306 kernel_cmdline = "";
4307 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4308 }
4309
4310 linux_boot = (kernel_filename != NULL);
4311
4312 if (!linux_boot && *kernel_cmdline != '\0') {
4313 fprintf(stderr, "-append only allowed with -kernel option\n");
4314 exit(1);
4315 }
4316
4317 if (!linux_boot && initrd_filename != NULL) {
4318 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4319 exit(1);
4320 }
4321
4322 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4323 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4324 exit(1);
4325 }
4326
4327 os_set_line_buffering();
4328
4329 qemu_init_cpu_loop();
4330 qemu_mutex_lock_iothread();
4331
4332 #ifdef CONFIG_SPICE
4333 /* spice needs the timers to be initialized by this point */
4334 qemu_spice_init();
4335 #endif
4336
4337 if (icount_opts) {
4338 if (kvm_enabled() || xen_enabled()) {
4339 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4340 exit(1);
4341 }
4342 configure_icount(icount_opts, &error_abort);
4343 qemu_opts_del(icount_opts);
4344 }
4345
4346 /* clean up network at qemu process termination */
4347 atexit(&net_cleanup);
4348
4349 if (net_init_clients() < 0) {
4350 exit(1);
4351 }
4352
4353 #ifdef CONFIG_TPM
4354 if (tpm_init() < 0) {
4355 exit(1);
4356 }
4357 #endif
4358
4359 /* init the bluetooth world */
4360 if (foreach_device_config(DEV_BT, bt_parse))
4361 exit(1);
4362
4363 if (!xen_enabled()) {
4364 /* On 32-bit hosts, QEMU is limited by virtual address space */
4365 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4366 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4367 exit(1);
4368 }
4369 }
4370
4371 blk_mig_init();
4372 ram_mig_init();
4373
4374 /* open the virtual block devices */
4375 if (snapshot)
4376 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4377 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4378 &machine_class->block_default_type, 1) != 0) {
4379 exit(1);
4380 }
4381
4382 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4383 CDROM_OPTS);
4384 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4385 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4386
4387 if (qemu_opts_foreach(qemu_find_opts("numa"), numa_init_func,
4388 NULL, 1) != 0) {
4389 exit(1);
4390 }
4391
4392 set_numa_nodes();
4393
4394 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4395 exit(1);
4396 }
4397
4398 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4399 exit(1);
4400 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4401 exit(1);
4402 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4403 exit(1);
4404 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4405 exit(1);
4406 }
4407 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4408 exit(1);
4409
4410 /* If no default VGA is requested, the default is "none". */
4411 if (default_vga) {
4412 if (cirrus_vga_available()) {
4413 vga_model = "cirrus";
4414 } else if (vga_available()) {
4415 vga_model = "std";
4416 }
4417 }
4418 if (vga_model) {
4419 select_vgahw(vga_model);
4420 }
4421
4422 if (watchdog) {
4423 i = select_watchdog(watchdog);
4424 if (i > 0)
4425 exit (i == 1 ? 1 : 0);
4426 }
4427
4428 if (machine_class->compat_props) {
4429 qdev_prop_register_global_list(machine_class->compat_props);
4430 }
4431 qemu_add_globals();
4432
4433 qdev_machine_init();
4434
4435 current_machine->ram_size = ram_size;
4436 current_machine->maxram_size = maxram_size;
4437 current_machine->ram_slots = ram_slots;
4438 current_machine->boot_order = boot_order;
4439 current_machine->cpu_model = cpu_model;
4440
4441 machine_class->init(current_machine);
4442
4443 audio_init();
4444
4445 cpu_synchronize_all_post_init();
4446
4447 set_numa_modes();
4448
4449 /* init USB devices */
4450 if (usb_enabled(false)) {
4451 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4452 exit(1);
4453 }
4454
4455 /* init generic devices */
4456 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4457 exit(1);
4458
4459 net_check_clients();
4460
4461 ds = init_displaystate();
4462
4463 /* init local displays */
4464 switch (display_type) {
4465 case DT_NOGRAPHIC:
4466 (void)ds; /* avoid warning if no display is configured */
4467 break;
4468 #if defined(CONFIG_CURSES)
4469 case DT_CURSES:
4470 curses_display_init(ds, full_screen);
4471 break;
4472 #endif
4473 #if defined(CONFIG_SDL)
4474 case DT_SDL:
4475 sdl_display_init(ds, full_screen, no_frame);
4476 break;
4477 #elif defined(CONFIG_COCOA)
4478 case DT_SDL:
4479 cocoa_display_init(ds, full_screen);
4480 break;
4481 #endif
4482 #if defined(CONFIG_GTK)
4483 case DT_GTK:
4484 gtk_display_init(ds, full_screen, grab_on_hover);
4485 break;
4486 #endif
4487 default:
4488 break;
4489 }
4490
4491 /* must be after terminal init, SDL library changes signal handlers */
4492 os_setup_signal_handling();
4493
4494 #ifdef CONFIG_VNC
4495 /* init remote displays */
4496 if (vnc_display) {
4497 Error *local_err = NULL;
4498 vnc_display_init(ds);
4499 vnc_display_open(ds, vnc_display, &local_err);
4500 if (local_err != NULL) {
4501 error_report("Failed to start VNC server on `%s': %s",
4502 vnc_display, error_get_pretty(local_err));
4503 error_free(local_err);
4504 exit(1);
4505 }
4506
4507 if (show_vnc_port) {
4508 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4509 }
4510 }
4511 #endif
4512 #ifdef CONFIG_SPICE
4513 if (using_spice) {
4514 qemu_spice_display_init();
4515 }
4516 #endif
4517
4518 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4519 exit(1);
4520 }
4521
4522 qdev_machine_creation_done();
4523
4524 if (rom_load_all() != 0) {
4525 fprintf(stderr, "rom loading failed\n");
4526 exit(1);
4527 }
4528
4529 /* TODO: once all bus devices are qdevified, this should be done
4530 * when bus is created by qdev.c */
4531 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4532 qemu_run_machine_init_done_notifiers();
4533
4534 /* Done notifiers can load ROMs */
4535 rom_load_done();
4536
4537 qemu_system_reset(VMRESET_SILENT);
4538 if (loadvm) {
4539 if (load_vmstate(loadvm) < 0) {
4540 autostart = 0;
4541 }
4542 }
4543
4544 qdev_prop_check_global();
4545 if (vmstate_dump_file) {
4546 /* dump and exit */
4547 dump_vmstate_json_to_file(vmstate_dump_file);
4548 return 0;
4549 }
4550
4551 if (incoming) {
4552 Error *local_err = NULL;
4553 qemu_start_incoming_migration(incoming, &local_err);
4554 if (local_err) {
4555 error_report("-incoming %s: %s", incoming,
4556 error_get_pretty(local_err));
4557 error_free(local_err);
4558 exit(1);
4559 }
4560 } else if (autostart) {
4561 vm_start();
4562 }
4563
4564 os_setup_post();
4565
4566 if (is_daemonized()) {
4567 if (!trace_init_backends(trace_events, trace_file)) {
4568 exit(1);
4569 }
4570 }
4571
4572 main_loop();
4573 bdrv_close_all();
4574 pause_all_vcpus();
4575 res_free();
4576 #ifdef CONFIG_TPM
4577 tpm_cleanup();
4578 #endif
4579
4580 return 0;
4581 }
Ray Wang's QEMU Repository