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migration: catch unknown flag combinations in ram_load
[qemu/kevin.git] / vl.c
blob964d63403cec347676e09a867d69c321c7665c0e
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 "sysemu/accel.h"
65 #include "hw/usb.h"
66 #include "hw/pcmcia.h"
67 #include "hw/i386/pc.h"
68 #include "hw/isa/isa.h"
69 #include "hw/bt.h"
70 #include "sysemu/watchdog.h"
71 #include "hw/i386/smbios.h"
72 #include "hw/xen/xen.h"
73 #include "hw/qdev.h"
74 #include "hw/loader.h"
75 #include "monitor/qdev.h"
76 #include "sysemu/bt.h"
77 #include "net/net.h"
78 #include "net/slirp.h"
79 #include "monitor/monitor.h"
80 #include "ui/console.h"
81 #include "sysemu/sysemu.h"
82 #include "exec/gdbstub.h"
83 #include "qemu/timer.h"
84 #include "sysemu/char.h"
85 #include "qemu/bitmap.h"
86 #include "sysemu/blockdev.h"
87 #include "hw/block/block.h"
88 #include "migration/block.h"
89 #include "sysemu/tpm.h"
90 #include "sysemu/dma.h"
91 #include "audio/audio.h"
92 #include "migration/migration.h"
93 #include "sysemu/kvm.h"
94 #include "qapi/qmp/qjson.h"
95 #include "qemu/option.h"
96 #include "qemu/config-file.h"
97 #include "qemu-options.h"
98 #include "qmp-commands.h"
99 #include "qemu/main-loop.h"
100 #ifdef CONFIG_VIRTFS
101 #include "fsdev/qemu-fsdev.h"
102 #endif
103 #include "sysemu/qtest.h"
104
105 #include "disas/disas.h"
106
107
108 #include "slirp/libslirp.h"
109
110 #include "trace.h"
111 #include "trace/control.h"
112 #include "qemu/queue.h"
113 #include "sysemu/cpus.h"
114 #include "sysemu/arch_init.h"
115 #include "qemu/osdep.h"
116
117 #include "ui/qemu-spice.h"
118 #include "qapi/string-input-visitor.h"
119 #include "qapi/opts-visitor.h"
120 #include "qom/object_interfaces.h"
121 #include "qapi-event.h"
122
123 #define DEFAULT_RAM_SIZE 128
124
125 #define MAX_VIRTIO_CONSOLES 1
126 #define MAX_SCLP_CONSOLES 1
127
128 static const char *data_dir[16];
129 static int data_dir_idx;
130 const char *bios_name = NULL;
131 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
132 DisplayType display_type = DT_DEFAULT;
133 static int display_remote;
134 const char* keyboard_layout = NULL;
135 ram_addr_t ram_size;
136 const char *mem_path = NULL;
137 int mem_prealloc = 0; /* force preallocation of physical target memory */
138 bool enable_mlock = false;
139 int nb_nics;
140 NICInfo nd_table[MAX_NICS];
141 int autostart;
142 static int rtc_utc = 1;
143 static int rtc_date_offset = -1; /* -1 means no change */
144 QEMUClockType rtc_clock;
145 int vga_interface_type = VGA_NONE;
146 static int full_screen = 0;
147 static int no_frame = 0;
148 int no_quit = 0;
149 #ifdef CONFIG_GTK
150 static bool grab_on_hover;
151 #endif
152 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
153 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
154 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
155 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
156 int win2k_install_hack = 0;
157 int singlestep = 0;
158 int smp_cpus = 1;
159 int max_cpus = 0;
160 int smp_cores = 1;
161 int smp_threads = 1;
162 #ifdef CONFIG_VNC
163 const char *vnc_display;
164 #endif
165 int acpi_enabled = 1;
166 int no_hpet = 0;
167 int fd_bootchk = 1;
168 static int no_reboot;
169 int no_shutdown = 0;
170 int cursor_hide = 1;
171 int graphic_rotate = 0;
172 const char *watchdog;
173 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
174 int nb_option_roms;
175 int semihosting_enabled = 0;
176 int old_param = 0;
177 const char *qemu_name;
178 int alt_grab = 0;
179 int ctrl_grab = 0;
180 unsigned int nb_prom_envs = 0;
181 const char *prom_envs[MAX_PROM_ENVS];
182 int boot_menu;
183 static bool boot_strict;
184 uint8_t *boot_splash_filedata;
185 size_t boot_splash_filedata_size;
186 uint8_t qemu_extra_params_fw[2];
187
188 int icount_align_option;
189 typedef struct FWBootEntry FWBootEntry;
190
191 struct FWBootEntry {
192 QTAILQ_ENTRY(FWBootEntry) link;
193 int32_t bootindex;
194 DeviceState *dev;
195 char *suffix;
196 };
197
198 static QTAILQ_HEAD(, FWBootEntry) fw_boot_order =
199 QTAILQ_HEAD_INITIALIZER(fw_boot_order);
200
201 int nb_numa_nodes;
202 int max_numa_nodeid;
203 NodeInfo numa_info[MAX_NODES];
204
205 uint8_t qemu_uuid[16];
206 bool qemu_uuid_set;
207
208 static QEMUBootSetHandler *boot_set_handler;
209 static void *boot_set_opaque;
210
211 static NotifierList exit_notifiers =
212 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
213
214 static NotifierList machine_init_done_notifiers =
215 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
216
217 bool xen_allowed;
218 uint32_t xen_domid;
219 enum xen_mode xen_mode = XEN_EMULATE;
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 DriveInfo *dinfo;
1172
1173 if (!enable || drive_get_by_index(type, index)) {
1174 return;
1175 }
1176
1177 opts = drive_add(type, index, NULL, optstr);
1178 if (snapshot) {
1179 drive_enable_snapshot(opts, NULL);
1180 }
1181
1182 dinfo = drive_new(opts, type);
1183 if (!dinfo) {
1184 exit(1);
1185 }
1186 dinfo->is_default = true;
1187
1188 }
1189
1190 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1191 {
1192 boot_set_handler = func;
1193 boot_set_opaque = opaque;
1194 }
1195
1196 int qemu_boot_set(const char *boot_order)
1197 {
1198 if (!boot_set_handler) {
1199 return -EINVAL;
1200 }
1201 return boot_set_handler(boot_set_opaque, boot_order);
1202 }
1203
1204 static void validate_bootdevices(const char *devices)
1205 {
1206 /* We just do some generic consistency checks */
1207 const char *p;
1208 int bitmap = 0;
1209
1210 for (p = devices; *p != '\0'; p++) {
1211 /* Allowed boot devices are:
1212 * a-b: floppy disk drives
1213 * c-f: IDE disk drives
1214 * g-m: machine implementation dependent drives
1215 * n-p: network devices
1216 * It's up to each machine implementation to check if the given boot
1217 * devices match the actual hardware implementation and firmware
1218 * features.
1219 */
1220 if (*p < 'a' || *p > 'p') {
1221 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1222 exit(1);
1223 }
1224 if (bitmap & (1 << (*p - 'a'))) {
1225 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1226 exit(1);
1227 }
1228 bitmap |= 1 << (*p - 'a');
1229 }
1230 }
1231
1232 static void restore_boot_order(void *opaque)
1233 {
1234 char *normal_boot_order = opaque;
1235 static int first = 1;
1236
1237 /* Restore boot order and remove ourselves after the first boot */
1238 if (first) {
1239 first = 0;
1240 return;
1241 }
1242
1243 qemu_boot_set(normal_boot_order);
1244
1245 qemu_unregister_reset(restore_boot_order, normal_boot_order);
1246 g_free(normal_boot_order);
1247 }
1248
1249 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
1250 const char *suffix)
1251 {
1252 FWBootEntry *node, *i;
1253
1254 if (bootindex < 0) {
1255 return;
1256 }
1257
1258 assert(dev != NULL || suffix != NULL);
1259
1260 node = g_malloc0(sizeof(FWBootEntry));
1261 node->bootindex = bootindex;
1262 node->suffix = g_strdup(suffix);
1263 node->dev = dev;
1264
1265 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1266 if (i->bootindex == bootindex) {
1267 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1268 exit(1);
1269 } else if (i->bootindex < bootindex) {
1270 continue;
1271 }
1272 QTAILQ_INSERT_BEFORE(i, node, link);
1273 return;
1274 }
1275 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1276 }
1277
1278 DeviceState *get_boot_device(uint32_t position)
1279 {
1280 uint32_t counter = 0;
1281 FWBootEntry *i = NULL;
1282 DeviceState *res = NULL;
1283
1284 if (!QTAILQ_EMPTY(&fw_boot_order)) {
1285 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1286 if (counter == position) {
1287 res = i->dev;
1288 break;
1289 }
1290 counter++;
1291 }
1292 }
1293 return res;
1294 }
1295
1296 /*
1297 * This function returns null terminated string that consist of new line
1298 * separated device paths.
1299 *
1300 * memory pointed by "size" is assigned total length of the array in bytes
1301 *
1302 */
1303 char *get_boot_devices_list(size_t *size, bool ignore_suffixes)
1304 {
1305 FWBootEntry *i;
1306 size_t total = 0;
1307 char *list = NULL;
1308
1309 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1310 char *devpath = NULL, *bootpath;
1311 size_t len;
1312
1313 if (i->dev) {
1314 devpath = qdev_get_fw_dev_path(i->dev);
1315 assert(devpath);
1316 }
1317
1318 if (i->suffix && !ignore_suffixes && devpath) {
1319 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1320
1321 bootpath = g_malloc(bootpathlen);
1322 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1323 g_free(devpath);
1324 } else if (devpath) {
1325 bootpath = devpath;
1326 } else if (!ignore_suffixes) {
1327 assert(i->suffix);
1328 bootpath = g_strdup(i->suffix);
1329 } else {
1330 bootpath = g_strdup("");
1331 }
1332
1333 if (total) {
1334 list[total-1] = '\n';
1335 }
1336 len = strlen(bootpath) + 1;
1337 list = g_realloc(list, total + len);
1338 memcpy(&list[total], bootpath, len);
1339 total += len;
1340 g_free(bootpath);
1341 }
1342
1343 *size = total;
1344
1345 if (boot_strict && *size > 0) {
1346 list[total-1] = '\n';
1347 list = g_realloc(list, total + 5);
1348 memcpy(&list[total], "HALT", 5);
1349 *size = total + 5;
1350 }
1351 return list;
1352 }
1353
1354 static QemuOptsList qemu_smp_opts = {
1355 .name = "smp-opts",
1356 .implied_opt_name = "cpus",
1357 .merge_lists = true,
1358 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1359 .desc = {
1360 {
1361 .name = "cpus",
1362 .type = QEMU_OPT_NUMBER,
1363 }, {
1364 .name = "sockets",
1365 .type = QEMU_OPT_NUMBER,
1366 }, {
1367 .name = "cores",
1368 .type = QEMU_OPT_NUMBER,
1369 }, {
1370 .name = "threads",
1371 .type = QEMU_OPT_NUMBER,
1372 }, {
1373 .name = "maxcpus",
1374 .type = QEMU_OPT_NUMBER,
1375 },
1376 { /*End of list */ }
1377 },
1378 };
1379
1380 static void smp_parse(QemuOpts *opts)
1381 {
1382 if (opts) {
1383
1384 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1385 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1386 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1387 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1388
1389 /* compute missing values, prefer sockets over cores over threads */
1390 if (cpus == 0 || sockets == 0) {
1391 sockets = sockets > 0 ? sockets : 1;
1392 cores = cores > 0 ? cores : 1;
1393 threads = threads > 0 ? threads : 1;
1394 if (cpus == 0) {
1395 cpus = cores * threads * sockets;
1396 }
1397 } else {
1398 if (cores == 0) {
1399 threads = threads > 0 ? threads : 1;
1400 cores = cpus / (sockets * threads);
1401 } else {
1402 threads = cpus / (cores * sockets);
1403 }
1404 }
1405
1406 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1407
1408 smp_cpus = cpus;
1409 smp_cores = cores > 0 ? cores : 1;
1410 smp_threads = threads > 0 ? threads : 1;
1411
1412 }
1413
1414 if (max_cpus == 0) {
1415 max_cpus = smp_cpus;
1416 }
1417
1418 if (max_cpus > MAX_CPUMASK_BITS) {
1419 fprintf(stderr, "Unsupported number of maxcpus\n");
1420 exit(1);
1421 }
1422 if (max_cpus < smp_cpus) {
1423 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1424 exit(1);
1425 }
1426
1427 }
1428
1429 static void realtime_init(void)
1430 {
1431 if (enable_mlock) {
1432 if (os_mlock() < 0) {
1433 fprintf(stderr, "qemu: locking memory failed\n");
1434 exit(1);
1435 }
1436 }
1437 }
1438
1439
1440 static void configure_msg(QemuOpts *opts)
1441 {
1442 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1443 }
1444
1445 /***********************************************************/
1446 /* USB devices */
1447
1448 static int usb_device_add(const char *devname)
1449 {
1450 USBDevice *dev = NULL;
1451 #ifndef CONFIG_LINUX
1452 const char *p;
1453 #endif
1454
1455 if (!usb_enabled(false)) {
1456 return -1;
1457 }
1458
1459 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1460 dev = usbdevice_create(devname);
1461 if (dev)
1462 goto done;
1463
1464 /* the other ones */
1465 #ifndef CONFIG_LINUX
1466 /* only the linux version is qdev-ified, usb-bsd still needs this */
1467 if (strstart(devname, "host:", &p)) {
1468 dev = usb_host_device_open(usb_bus_find(-1), p);
1469 }
1470 #endif
1471 if (!dev)
1472 return -1;
1473
1474 done:
1475 return 0;
1476 }
1477
1478 static int usb_device_del(const char *devname)
1479 {
1480 int bus_num, addr;
1481 const char *p;
1482
1483 if (strstart(devname, "host:", &p)) {
1484 return -1;
1485 }
1486
1487 if (!usb_enabled(false)) {
1488 return -1;
1489 }
1490
1491 p = strchr(devname, '.');
1492 if (!p)
1493 return -1;
1494 bus_num = strtoul(devname, NULL, 0);
1495 addr = strtoul(p + 1, NULL, 0);
1496
1497 return usb_device_delete_addr(bus_num, addr);
1498 }
1499
1500 static int usb_parse(const char *cmdline)
1501 {
1502 int r;
1503 r = usb_device_add(cmdline);
1504 if (r < 0) {
1505 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1506 }
1507 return r;
1508 }
1509
1510 void do_usb_add(Monitor *mon, const QDict *qdict)
1511 {
1512 const char *devname = qdict_get_str(qdict, "devname");
1513 if (usb_device_add(devname) < 0) {
1514 error_report("could not add USB device '%s'", devname);
1515 }
1516 }
1517
1518 void do_usb_del(Monitor *mon, const QDict *qdict)
1519 {
1520 const char *devname = qdict_get_str(qdict, "devname");
1521 if (usb_device_del(devname) < 0) {
1522 error_report("could not delete USB device '%s'", devname);
1523 }
1524 }
1525
1526 /***********************************************************/
1527 /* PCMCIA/Cardbus */
1528
1529 static struct pcmcia_socket_entry_s {
1530 PCMCIASocket *socket;
1531 struct pcmcia_socket_entry_s *next;
1532 } *pcmcia_sockets = 0;
1533
1534 void pcmcia_socket_register(PCMCIASocket *socket)
1535 {
1536 struct pcmcia_socket_entry_s *entry;
1537
1538 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1539 entry->socket = socket;
1540 entry->next = pcmcia_sockets;
1541 pcmcia_sockets = entry;
1542 }
1543
1544 void pcmcia_socket_unregister(PCMCIASocket *socket)
1545 {
1546 struct pcmcia_socket_entry_s *entry, **ptr;
1547
1548 ptr = &pcmcia_sockets;
1549 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1550 if (entry->socket == socket) {
1551 *ptr = entry->next;
1552 g_free(entry);
1553 }
1554 }
1555
1556 void pcmcia_info(Monitor *mon, const QDict *qdict)
1557 {
1558 struct pcmcia_socket_entry_s *iter;
1559
1560 if (!pcmcia_sockets)
1561 monitor_printf(mon, "No PCMCIA sockets\n");
1562
1563 for (iter = pcmcia_sockets; iter; iter = iter->next)
1564 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1565 iter->socket->attached ? iter->socket->card_string :
1566 "Empty");
1567 }
1568
1569 /***********************************************************/
1570 /* machine registration */
1571
1572 MachineState *current_machine;
1573
1574 static void machine_class_init(ObjectClass *oc, void *data)
1575 {
1576 MachineClass *mc = MACHINE_CLASS(oc);
1577 QEMUMachine *qm = data;
1578
1579 mc->name = qm->name;
1580 mc->alias = qm->alias;
1581 mc->desc = qm->desc;
1582 mc->init = qm->init;
1583 mc->reset = qm->reset;
1584 mc->hot_add_cpu = qm->hot_add_cpu;
1585 mc->kvm_type = qm->kvm_type;
1586 mc->block_default_type = qm->block_default_type;
1587 mc->units_per_default_bus = qm->units_per_default_bus;
1588 mc->max_cpus = qm->max_cpus;
1589 mc->no_serial = qm->no_serial;
1590 mc->no_parallel = qm->no_parallel;
1591 mc->use_virtcon = qm->use_virtcon;
1592 mc->use_sclp = qm->use_sclp;
1593 mc->no_floppy = qm->no_floppy;
1594 mc->no_cdrom = qm->no_cdrom;
1595 mc->no_sdcard = qm->no_sdcard;
1596 mc->is_default = qm->is_default;
1597 mc->default_machine_opts = qm->default_machine_opts;
1598 mc->default_boot_order = qm->default_boot_order;
1599 mc->compat_props = qm->compat_props;
1600 mc->hw_version = qm->hw_version;
1601 }
1602
1603 int qemu_register_machine(QEMUMachine *m)
1604 {
1605 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1606 TypeInfo ti = {
1607 .name = name,
1608 .parent = TYPE_MACHINE,
1609 .class_init = machine_class_init,
1610 .class_data = (void *)m,
1611 };
1612
1613 type_register(&ti);
1614 g_free(name);
1615
1616 return 0;
1617 }
1618
1619 static MachineClass *find_machine(const char *name)
1620 {
1621 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1622 MachineClass *mc = NULL;
1623
1624 for (el = machines; el; el = el->next) {
1625 MachineClass *temp = el->data;
1626
1627 if (!strcmp(temp->name, name)) {
1628 mc = temp;
1629 break;
1630 }
1631 if (temp->alias &&
1632 !strcmp(temp->alias, name)) {
1633 mc = temp;
1634 break;
1635 }
1636 }
1637
1638 g_slist_free(machines);
1639 return mc;
1640 }
1641
1642 MachineClass *find_default_machine(void)
1643 {
1644 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1645 MachineClass *mc = NULL;
1646
1647 for (el = machines; el; el = el->next) {
1648 MachineClass *temp = el->data;
1649
1650 if (temp->is_default) {
1651 mc = temp;
1652 break;
1653 }
1654 }
1655
1656 g_slist_free(machines);
1657 return mc;
1658 }
1659
1660 MachineInfoList *qmp_query_machines(Error **errp)
1661 {
1662 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1663 MachineInfoList *mach_list = NULL;
1664
1665 for (el = machines; el; el = el->next) {
1666 MachineClass *mc = el->data;
1667 MachineInfoList *entry;
1668 MachineInfo *info;
1669
1670 info = g_malloc0(sizeof(*info));
1671 if (mc->is_default) {
1672 info->has_is_default = true;
1673 info->is_default = true;
1674 }
1675
1676 if (mc->alias) {
1677 info->has_alias = true;
1678 info->alias = g_strdup(mc->alias);
1679 }
1680
1681 info->name = g_strdup(mc->name);
1682 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1683
1684 entry = g_malloc0(sizeof(*entry));
1685 entry->value = info;
1686 entry->next = mach_list;
1687 mach_list = entry;
1688 }
1689
1690 g_slist_free(machines);
1691 return mach_list;
1692 }
1693
1694 /***********************************************************/
1695 /* main execution loop */
1696
1697 struct vm_change_state_entry {
1698 VMChangeStateHandler *cb;
1699 void *opaque;
1700 QLIST_ENTRY (vm_change_state_entry) entries;
1701 };
1702
1703 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1704
1705 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1706 void *opaque)
1707 {
1708 VMChangeStateEntry *e;
1709
1710 e = g_malloc0(sizeof (*e));
1711
1712 e->cb = cb;
1713 e->opaque = opaque;
1714 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1715 return e;
1716 }
1717
1718 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1719 {
1720 QLIST_REMOVE (e, entries);
1721 g_free (e);
1722 }
1723
1724 void vm_state_notify(int running, RunState state)
1725 {
1726 VMChangeStateEntry *e, *next;
1727
1728 trace_vm_state_notify(running, state);
1729
1730 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1731 e->cb(e->opaque, running, state);
1732 }
1733 }
1734
1735 /* reset/shutdown handler */
1736
1737 typedef struct QEMUResetEntry {
1738 QTAILQ_ENTRY(QEMUResetEntry) entry;
1739 QEMUResetHandler *func;
1740 void *opaque;
1741 } QEMUResetEntry;
1742
1743 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1744 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1745 static int reset_requested;
1746 static int shutdown_requested, shutdown_signal = -1;
1747 static pid_t shutdown_pid;
1748 static int powerdown_requested;
1749 static int debug_requested;
1750 static int suspend_requested;
1751 static WakeupReason wakeup_reason;
1752 static NotifierList powerdown_notifiers =
1753 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1754 static NotifierList suspend_notifiers =
1755 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1756 static NotifierList wakeup_notifiers =
1757 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1758 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1759
1760 int qemu_shutdown_requested_get(void)
1761 {
1762 return shutdown_requested;
1763 }
1764
1765 int qemu_reset_requested_get(void)
1766 {
1767 return reset_requested;
1768 }
1769
1770 static int qemu_shutdown_requested(void)
1771 {
1772 int r = shutdown_requested;
1773 shutdown_requested = 0;
1774 return r;
1775 }
1776
1777 static void qemu_kill_report(void)
1778 {
1779 if (!qtest_driver() && shutdown_signal != -1) {
1780 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1781 if (shutdown_pid == 0) {
1782 /* This happens for eg ^C at the terminal, so it's worth
1783 * avoiding printing an odd message in that case.
1784 */
1785 fputc('\n', stderr);
1786 } else {
1787 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1788 }
1789 shutdown_signal = -1;
1790 }
1791 }
1792
1793 static int qemu_reset_requested(void)
1794 {
1795 int r = reset_requested;
1796 reset_requested = 0;
1797 return r;
1798 }
1799
1800 static int qemu_suspend_requested(void)
1801 {
1802 int r = suspend_requested;
1803 suspend_requested = 0;
1804 return r;
1805 }
1806
1807 static WakeupReason qemu_wakeup_requested(void)
1808 {
1809 return wakeup_reason;
1810 }
1811
1812 static int qemu_powerdown_requested(void)
1813 {
1814 int r = powerdown_requested;
1815 powerdown_requested = 0;
1816 return r;
1817 }
1818
1819 static int qemu_debug_requested(void)
1820 {
1821 int r = debug_requested;
1822 debug_requested = 0;
1823 return r;
1824 }
1825
1826 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1827 {
1828 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1829
1830 re->func = func;
1831 re->opaque = opaque;
1832 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1833 }
1834
1835 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1836 {
1837 QEMUResetEntry *re;
1838
1839 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1840 if (re->func == func && re->opaque == opaque) {
1841 QTAILQ_REMOVE(&reset_handlers, re, entry);
1842 g_free(re);
1843 return;
1844 }
1845 }
1846 }
1847
1848 void qemu_devices_reset(void)
1849 {
1850 QEMUResetEntry *re, *nre;
1851
1852 /* reset all devices */
1853 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1854 re->func(re->opaque);
1855 }
1856 }
1857
1858 void qemu_system_reset(bool report)
1859 {
1860 MachineClass *mc;
1861
1862 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1863
1864 if (mc && mc->reset) {
1865 mc->reset();
1866 } else {
1867 qemu_devices_reset();
1868 }
1869 if (report) {
1870 qapi_event_send_reset(&error_abort);
1871 }
1872 cpu_synchronize_all_post_reset();
1873 }
1874
1875 void qemu_system_reset_request(void)
1876 {
1877 if (no_reboot) {
1878 shutdown_requested = 1;
1879 } else {
1880 reset_requested = 1;
1881 }
1882 cpu_stop_current();
1883 qemu_notify_event();
1884 }
1885
1886 static void qemu_system_suspend(void)
1887 {
1888 pause_all_vcpus();
1889 notifier_list_notify(&suspend_notifiers, NULL);
1890 runstate_set(RUN_STATE_SUSPENDED);
1891 qapi_event_send_suspend(&error_abort);
1892 }
1893
1894 void qemu_system_suspend_request(void)
1895 {
1896 if (runstate_check(RUN_STATE_SUSPENDED)) {
1897 return;
1898 }
1899 suspend_requested = 1;
1900 cpu_stop_current();
1901 qemu_notify_event();
1902 }
1903
1904 void qemu_register_suspend_notifier(Notifier *notifier)
1905 {
1906 notifier_list_add(&suspend_notifiers, notifier);
1907 }
1908
1909 void qemu_system_wakeup_request(WakeupReason reason)
1910 {
1911 trace_system_wakeup_request(reason);
1912
1913 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1914 return;
1915 }
1916 if (!(wakeup_reason_mask & (1 << reason))) {
1917 return;
1918 }
1919 runstate_set(RUN_STATE_RUNNING);
1920 wakeup_reason = reason;
1921 qemu_notify_event();
1922 }
1923
1924 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1925 {
1926 if (enabled) {
1927 wakeup_reason_mask |= (1 << reason);
1928 } else {
1929 wakeup_reason_mask &= ~(1 << reason);
1930 }
1931 }
1932
1933 void qemu_register_wakeup_notifier(Notifier *notifier)
1934 {
1935 notifier_list_add(&wakeup_notifiers, notifier);
1936 }
1937
1938 void qemu_system_killed(int signal, pid_t pid)
1939 {
1940 shutdown_signal = signal;
1941 shutdown_pid = pid;
1942 no_shutdown = 0;
1943 qemu_system_shutdown_request();
1944 }
1945
1946 void qemu_system_shutdown_request(void)
1947 {
1948 trace_qemu_system_shutdown_request();
1949 shutdown_requested = 1;
1950 qemu_notify_event();
1951 }
1952
1953 static void qemu_system_powerdown(void)
1954 {
1955 qapi_event_send_powerdown(&error_abort);
1956 notifier_list_notify(&powerdown_notifiers, NULL);
1957 }
1958
1959 void qemu_system_powerdown_request(void)
1960 {
1961 trace_qemu_system_powerdown_request();
1962 powerdown_requested = 1;
1963 qemu_notify_event();
1964 }
1965
1966 void qemu_register_powerdown_notifier(Notifier *notifier)
1967 {
1968 notifier_list_add(&powerdown_notifiers, notifier);
1969 }
1970
1971 void qemu_system_debug_request(void)
1972 {
1973 debug_requested = 1;
1974 qemu_notify_event();
1975 }
1976
1977 static bool main_loop_should_exit(void)
1978 {
1979 RunState r;
1980 if (qemu_debug_requested()) {
1981 vm_stop(RUN_STATE_DEBUG);
1982 }
1983 if (qemu_suspend_requested()) {
1984 qemu_system_suspend();
1985 }
1986 if (qemu_shutdown_requested()) {
1987 qemu_kill_report();
1988 qapi_event_send_shutdown(&error_abort);
1989 if (no_shutdown) {
1990 vm_stop(RUN_STATE_SHUTDOWN);
1991 } else {
1992 return true;
1993 }
1994 }
1995 if (qemu_reset_requested()) {
1996 pause_all_vcpus();
1997 cpu_synchronize_all_states();
1998 qemu_system_reset(VMRESET_REPORT);
1999 resume_all_vcpus();
2000 if (runstate_needs_reset()) {
2001 runstate_set(RUN_STATE_PAUSED);
2002 }
2003 }
2004 if (qemu_wakeup_requested()) {
2005 pause_all_vcpus();
2006 cpu_synchronize_all_states();
2007 qemu_system_reset(VMRESET_SILENT);
2008 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
2009 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
2010 resume_all_vcpus();
2011 qapi_event_send_wakeup(&error_abort);
2012 }
2013 if (qemu_powerdown_requested()) {
2014 qemu_system_powerdown();
2015 }
2016 if (qemu_vmstop_requested(&r)) {
2017 vm_stop(r);
2018 }
2019 return false;
2020 }
2021
2022 static void main_loop(void)
2023 {
2024 bool nonblocking;
2025 int last_io = 0;
2026 #ifdef CONFIG_PROFILER
2027 int64_t ti;
2028 #endif
2029 do {
2030 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
2031 #ifdef CONFIG_PROFILER
2032 ti = profile_getclock();
2033 #endif
2034 last_io = main_loop_wait(nonblocking);
2035 #ifdef CONFIG_PROFILER
2036 dev_time += profile_getclock() - ti;
2037 #endif
2038 } while (!main_loop_should_exit());
2039 }
2040
2041 static void version(void)
2042 {
2043 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
2044 }
2045
2046 static void help(int exitcode)
2047 {
2048 version();
2049 printf("usage: %s [options] [disk_image]\n\n"
2050 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2051 error_get_progname());
2052
2053 #define QEMU_OPTIONS_GENERATE_HELP
2054 #include "qemu-options-wrapper.h"
2055
2056 printf("\nDuring emulation, the following keys are useful:\n"
2057 "ctrl-alt-f toggle full screen\n"
2058 "ctrl-alt-n switch to virtual console 'n'\n"
2059 "ctrl-alt toggle mouse and keyboard grab\n"
2060 "\n"
2061 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2062
2063 exit(exitcode);
2064 }
2065
2066 #define HAS_ARG 0x0001
2067
2068 typedef struct QEMUOption {
2069 const char *name;
2070 int flags;
2071 int index;
2072 uint32_t arch_mask;
2073 } QEMUOption;
2074
2075 static const QEMUOption qemu_options[] = {
2076 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2077 #define QEMU_OPTIONS_GENERATE_OPTIONS
2078 #include "qemu-options-wrapper.h"
2079 { NULL },
2080 };
2081
2082 static bool vga_available(void)
2083 {
2084 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2085 }
2086
2087 static bool cirrus_vga_available(void)
2088 {
2089 return object_class_by_name("cirrus-vga")
2090 || object_class_by_name("isa-cirrus-vga");
2091 }
2092
2093 static bool vmware_vga_available(void)
2094 {
2095 return object_class_by_name("vmware-svga");
2096 }
2097
2098 static bool qxl_vga_available(void)
2099 {
2100 return object_class_by_name("qxl-vga");
2101 }
2102
2103 static bool tcx_vga_available(void)
2104 {
2105 return object_class_by_name("SUNW,tcx");
2106 }
2107
2108 static bool cg3_vga_available(void)
2109 {
2110 return object_class_by_name("cgthree");
2111 }
2112
2113 static void select_vgahw (const char *p)
2114 {
2115 const char *opts;
2116
2117 assert(vga_interface_type == VGA_NONE);
2118 if (strstart(p, "std", &opts)) {
2119 if (vga_available()) {
2120 vga_interface_type = VGA_STD;
2121 } else {
2122 fprintf(stderr, "Error: standard VGA not available\n");
2123 exit(0);
2124 }
2125 } else if (strstart(p, "cirrus", &opts)) {
2126 if (cirrus_vga_available()) {
2127 vga_interface_type = VGA_CIRRUS;
2128 } else {
2129 fprintf(stderr, "Error: Cirrus VGA not available\n");
2130 exit(0);
2131 }
2132 } else if (strstart(p, "vmware", &opts)) {
2133 if (vmware_vga_available()) {
2134 vga_interface_type = VGA_VMWARE;
2135 } else {
2136 fprintf(stderr, "Error: VMWare SVGA not available\n");
2137 exit(0);
2138 }
2139 } else if (strstart(p, "xenfb", &opts)) {
2140 vga_interface_type = VGA_XENFB;
2141 } else if (strstart(p, "qxl", &opts)) {
2142 if (qxl_vga_available()) {
2143 vga_interface_type = VGA_QXL;
2144 } else {
2145 fprintf(stderr, "Error: QXL VGA not available\n");
2146 exit(0);
2147 }
2148 } else if (strstart(p, "tcx", &opts)) {
2149 if (tcx_vga_available()) {
2150 vga_interface_type = VGA_TCX;
2151 } else {
2152 fprintf(stderr, "Error: TCX framebuffer not available\n");
2153 exit(0);
2154 }
2155 } else if (strstart(p, "cg3", &opts)) {
2156 if (cg3_vga_available()) {
2157 vga_interface_type = VGA_CG3;
2158 } else {
2159 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2160 exit(0);
2161 }
2162 } else if (!strstart(p, "none", &opts)) {
2163 invalid_vga:
2164 fprintf(stderr, "Unknown vga type: %s\n", p);
2165 exit(1);
2166 }
2167 while (*opts) {
2168 const char *nextopt;
2169
2170 if (strstart(opts, ",retrace=", &nextopt)) {
2171 opts = nextopt;
2172 if (strstart(opts, "dumb", &nextopt))
2173 vga_retrace_method = VGA_RETRACE_DUMB;
2174 else if (strstart(opts, "precise", &nextopt))
2175 vga_retrace_method = VGA_RETRACE_PRECISE;
2176 else goto invalid_vga;
2177 } else goto invalid_vga;
2178 opts = nextopt;
2179 }
2180 }
2181
2182 static DisplayType select_display(const char *p)
2183 {
2184 const char *opts;
2185 DisplayType display = DT_DEFAULT;
2186
2187 if (strstart(p, "sdl", &opts)) {
2188 #ifdef CONFIG_SDL
2189 display = DT_SDL;
2190 while (*opts) {
2191 const char *nextopt;
2192
2193 if (strstart(opts, ",frame=", &nextopt)) {
2194 opts = nextopt;
2195 if (strstart(opts, "on", &nextopt)) {
2196 no_frame = 0;
2197 } else if (strstart(opts, "off", &nextopt)) {
2198 no_frame = 1;
2199 } else {
2200 goto invalid_sdl_args;
2201 }
2202 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2203 opts = nextopt;
2204 if (strstart(opts, "on", &nextopt)) {
2205 alt_grab = 1;
2206 } else if (strstart(opts, "off", &nextopt)) {
2207 alt_grab = 0;
2208 } else {
2209 goto invalid_sdl_args;
2210 }
2211 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2212 opts = nextopt;
2213 if (strstart(opts, "on", &nextopt)) {
2214 ctrl_grab = 1;
2215 } else if (strstart(opts, "off", &nextopt)) {
2216 ctrl_grab = 0;
2217 } else {
2218 goto invalid_sdl_args;
2219 }
2220 } else if (strstart(opts, ",window_close=", &nextopt)) {
2221 opts = nextopt;
2222 if (strstart(opts, "on", &nextopt)) {
2223 no_quit = 0;
2224 } else if (strstart(opts, "off", &nextopt)) {
2225 no_quit = 1;
2226 } else {
2227 goto invalid_sdl_args;
2228 }
2229 } else {
2230 invalid_sdl_args:
2231 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2232 exit(1);
2233 }
2234 opts = nextopt;
2235 }
2236 #else
2237 fprintf(stderr, "SDL support is disabled\n");
2238 exit(1);
2239 #endif
2240 } else if (strstart(p, "vnc", &opts)) {
2241 #ifdef CONFIG_VNC
2242 display_remote++;
2243
2244 if (*opts) {
2245 const char *nextopt;
2246
2247 if (strstart(opts, "=", &nextopt)) {
2248 vnc_display = nextopt;
2249 }
2250 }
2251 if (!vnc_display) {
2252 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2253 exit(1);
2254 }
2255 #else
2256 fprintf(stderr, "VNC support is disabled\n");
2257 exit(1);
2258 #endif
2259 } else if (strstart(p, "curses", &opts)) {
2260 #ifdef CONFIG_CURSES
2261 display = DT_CURSES;
2262 #else
2263 fprintf(stderr, "Curses support is disabled\n");
2264 exit(1);
2265 #endif
2266 } else if (strstart(p, "gtk", &opts)) {
2267 #ifdef CONFIG_GTK
2268 display = DT_GTK;
2269 while (*opts) {
2270 const char *nextopt;
2271
2272 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2273 opts = nextopt;
2274 if (strstart(opts, "on", &nextopt)) {
2275 grab_on_hover = true;
2276 } else if (strstart(opts, "off", &nextopt)) {
2277 grab_on_hover = false;
2278 } else {
2279 goto invalid_gtk_args;
2280 }
2281 } else {
2282 invalid_gtk_args:
2283 fprintf(stderr, "Invalid GTK option string: %s\n", p);
2284 exit(1);
2285 }
2286 opts = nextopt;
2287 }
2288 #else
2289 fprintf(stderr, "GTK support is disabled\n");
2290 exit(1);
2291 #endif
2292 } else if (strstart(p, "none", &opts)) {
2293 display = DT_NONE;
2294 } else {
2295 fprintf(stderr, "Unknown display type: %s\n", p);
2296 exit(1);
2297 }
2298
2299 return display;
2300 }
2301
2302 static int balloon_parse(const char *arg)
2303 {
2304 QemuOpts *opts;
2305
2306 if (strcmp(arg, "none") == 0) {
2307 return 0;
2308 }
2309
2310 if (!strncmp(arg, "virtio", 6)) {
2311 if (arg[6] == ',') {
2312 /* have params -> parse them */
2313 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2314 if (!opts)
2315 return -1;
2316 } else {
2317 /* create empty opts */
2318 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2319 &error_abort);
2320 }
2321 qemu_opt_set(opts, "driver", "virtio-balloon");
2322 return 0;
2323 }
2324
2325 return -1;
2326 }
2327
2328 char *qemu_find_file(int type, const char *name)
2329 {
2330 int i;
2331 const char *subdir;
2332 char *buf;
2333
2334 /* Try the name as a straight path first */
2335 if (access(name, R_OK) == 0) {
2336 trace_load_file(name, name);
2337 return g_strdup(name);
2338 }
2339
2340 switch (type) {
2341 case QEMU_FILE_TYPE_BIOS:
2342 subdir = "";
2343 break;
2344 case QEMU_FILE_TYPE_KEYMAP:
2345 subdir = "keymaps/";
2346 break;
2347 default:
2348 abort();
2349 }
2350
2351 for (i = 0; i < data_dir_idx; i++) {
2352 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2353 if (access(buf, R_OK) == 0) {
2354 trace_load_file(name, buf);
2355 return buf;
2356 }
2357 g_free(buf);
2358 }
2359 return NULL;
2360 }
2361
2362 static int device_help_func(QemuOpts *opts, void *opaque)
2363 {
2364 return qdev_device_help(opts);
2365 }
2366
2367 static int device_init_func(QemuOpts *opts, void *opaque)
2368 {
2369 DeviceState *dev;
2370
2371 dev = qdev_device_add(opts);
2372 if (!dev)
2373 return -1;
2374 object_unref(OBJECT(dev));
2375 return 0;
2376 }
2377
2378 static int chardev_init_func(QemuOpts *opts, void *opaque)
2379 {
2380 Error *local_err = NULL;
2381
2382 qemu_chr_new_from_opts(opts, NULL, &local_err);
2383 if (local_err) {
2384 error_report("%s", error_get_pretty(local_err));
2385 error_free(local_err);
2386 return -1;
2387 }
2388 return 0;
2389 }
2390
2391 #ifdef CONFIG_VIRTFS
2392 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2393 {
2394 int ret;
2395 ret = qemu_fsdev_add(opts);
2396
2397 return ret;
2398 }
2399 #endif
2400
2401 static int mon_init_func(QemuOpts *opts, void *opaque)
2402 {
2403 CharDriverState *chr;
2404 const char *chardev;
2405 const char *mode;
2406 int flags;
2407
2408 mode = qemu_opt_get(opts, "mode");
2409 if (mode == NULL) {
2410 mode = "readline";
2411 }
2412 if (strcmp(mode, "readline") == 0) {
2413 flags = MONITOR_USE_READLINE;
2414 } else if (strcmp(mode, "control") == 0) {
2415 flags = MONITOR_USE_CONTROL;
2416 } else {
2417 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2418 exit(1);
2419 }
2420
2421 if (qemu_opt_get_bool(opts, "pretty", 0))
2422 flags |= MONITOR_USE_PRETTY;
2423
2424 if (qemu_opt_get_bool(opts, "default", 0))
2425 flags |= MONITOR_IS_DEFAULT;
2426
2427 chardev = qemu_opt_get(opts, "chardev");
2428 chr = qemu_chr_find(chardev);
2429 if (chr == NULL) {
2430 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2431 exit(1);
2432 }
2433
2434 qemu_chr_fe_claim_no_fail(chr);
2435 monitor_init(chr, flags);
2436 return 0;
2437 }
2438
2439 static void monitor_parse(const char *optarg, const char *mode)
2440 {
2441 static int monitor_device_index = 0;
2442 QemuOpts *opts;
2443 const char *p;
2444 char label[32];
2445 int def = 0;
2446
2447 if (strstart(optarg, "chardev:", &p)) {
2448 snprintf(label, sizeof(label), "%s", p);
2449 } else {
2450 snprintf(label, sizeof(label), "compat_monitor%d",
2451 monitor_device_index);
2452 if (monitor_device_index == 0) {
2453 def = 1;
2454 }
2455 opts = qemu_chr_parse_compat(label, optarg);
2456 if (!opts) {
2457 fprintf(stderr, "parse error: %s\n", optarg);
2458 exit(1);
2459 }
2460 }
2461
2462 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2463 if (!opts) {
2464 fprintf(stderr, "duplicate chardev: %s\n", label);
2465 exit(1);
2466 }
2467 qemu_opt_set(opts, "mode", mode);
2468 qemu_opt_set(opts, "chardev", label);
2469 if (def)
2470 qemu_opt_set(opts, "default", "on");
2471 monitor_device_index++;
2472 }
2473
2474 struct device_config {
2475 enum {
2476 DEV_USB, /* -usbdevice */
2477 DEV_BT, /* -bt */
2478 DEV_SERIAL, /* -serial */
2479 DEV_PARALLEL, /* -parallel */
2480 DEV_VIRTCON, /* -virtioconsole */
2481 DEV_DEBUGCON, /* -debugcon */
2482 DEV_GDB, /* -gdb, -s */
2483 DEV_SCLP, /* s390 sclp */
2484 } type;
2485 const char *cmdline;
2486 Location loc;
2487 QTAILQ_ENTRY(device_config) next;
2488 };
2489
2490 static QTAILQ_HEAD(, device_config) device_configs =
2491 QTAILQ_HEAD_INITIALIZER(device_configs);
2492
2493 static void add_device_config(int type, const char *cmdline)
2494 {
2495 struct device_config *conf;
2496
2497 conf = g_malloc0(sizeof(*conf));
2498 conf->type = type;
2499 conf->cmdline = cmdline;
2500 loc_save(&conf->loc);
2501 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2502 }
2503
2504 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2505 {
2506 struct device_config *conf;
2507 int rc;
2508
2509 QTAILQ_FOREACH(conf, &device_configs, next) {
2510 if (conf->type != type)
2511 continue;
2512 loc_push_restore(&conf->loc);
2513 rc = func(conf->cmdline);
2514 loc_pop(&conf->loc);
2515 if (rc) {
2516 return rc;
2517 }
2518 }
2519 return 0;
2520 }
2521
2522 static int serial_parse(const char *devname)
2523 {
2524 static int index = 0;
2525 char label[32];
2526
2527 if (strcmp(devname, "none") == 0)
2528 return 0;
2529 if (index == MAX_SERIAL_PORTS) {
2530 fprintf(stderr, "qemu: too many serial ports\n");
2531 exit(1);
2532 }
2533 snprintf(label, sizeof(label), "serial%d", index);
2534 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2535 if (!serial_hds[index]) {
2536 fprintf(stderr, "qemu: could not connect serial device"
2537 " to character backend '%s'\n", devname);
2538 return -1;
2539 }
2540 index++;
2541 return 0;
2542 }
2543
2544 static int parallel_parse(const char *devname)
2545 {
2546 static int index = 0;
2547 char label[32];
2548
2549 if (strcmp(devname, "none") == 0)
2550 return 0;
2551 if (index == MAX_PARALLEL_PORTS) {
2552 fprintf(stderr, "qemu: too many parallel ports\n");
2553 exit(1);
2554 }
2555 snprintf(label, sizeof(label), "parallel%d", index);
2556 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2557 if (!parallel_hds[index]) {
2558 fprintf(stderr, "qemu: could not connect parallel device"
2559 " to character backend '%s'\n", devname);
2560 return -1;
2561 }
2562 index++;
2563 return 0;
2564 }
2565
2566 static int virtcon_parse(const char *devname)
2567 {
2568 QemuOptsList *device = qemu_find_opts("device");
2569 static int index = 0;
2570 char label[32];
2571 QemuOpts *bus_opts, *dev_opts;
2572
2573 if (strcmp(devname, "none") == 0)
2574 return 0;
2575 if (index == MAX_VIRTIO_CONSOLES) {
2576 fprintf(stderr, "qemu: too many virtio consoles\n");
2577 exit(1);
2578 }
2579
2580 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2581 if (arch_type == QEMU_ARCH_S390X) {
2582 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2583 } else {
2584 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2585 }
2586
2587 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2588 qemu_opt_set(dev_opts, "driver", "virtconsole");
2589
2590 snprintf(label, sizeof(label), "virtcon%d", index);
2591 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2592 if (!virtcon_hds[index]) {
2593 fprintf(stderr, "qemu: could not connect virtio console"
2594 " to character backend '%s'\n", devname);
2595 return -1;
2596 }
2597 qemu_opt_set(dev_opts, "chardev", label);
2598
2599 index++;
2600 return 0;
2601 }
2602
2603 static int sclp_parse(const char *devname)
2604 {
2605 QemuOptsList *device = qemu_find_opts("device");
2606 static int index = 0;
2607 char label[32];
2608 QemuOpts *dev_opts;
2609
2610 if (strcmp(devname, "none") == 0) {
2611 return 0;
2612 }
2613 if (index == MAX_SCLP_CONSOLES) {
2614 fprintf(stderr, "qemu: too many sclp consoles\n");
2615 exit(1);
2616 }
2617
2618 assert(arch_type == QEMU_ARCH_S390X);
2619
2620 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2621 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2622
2623 snprintf(label, sizeof(label), "sclpcon%d", index);
2624 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2625 if (!sclp_hds[index]) {
2626 fprintf(stderr, "qemu: could not connect sclp console"
2627 " to character backend '%s'\n", devname);
2628 return -1;
2629 }
2630 qemu_opt_set(dev_opts, "chardev", label);
2631
2632 index++;
2633 return 0;
2634 }
2635
2636 static int debugcon_parse(const char *devname)
2637 {
2638 QemuOpts *opts;
2639
2640 if (!qemu_chr_new("debugcon", devname, NULL)) {
2641 exit(1);
2642 }
2643 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2644 if (!opts) {
2645 fprintf(stderr, "qemu: already have a debugcon device\n");
2646 exit(1);
2647 }
2648 qemu_opt_set(opts, "driver", "isa-debugcon");
2649 qemu_opt_set(opts, "chardev", "debugcon");
2650 return 0;
2651 }
2652
2653 static MachineClass *machine_parse(const char *name)
2654 {
2655 MachineClass *mc = NULL;
2656 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2657
2658 if (name) {
2659 mc = find_machine(name);
2660 }
2661 if (mc) {
2662 return mc;
2663 }
2664 if (name && !is_help_option(name)) {
2665 error_report("Unsupported machine type");
2666 error_printf("Use -machine help to list supported machines!\n");
2667 } else {
2668 printf("Supported machines are:\n");
2669 for (el = machines; el; el = el->next) {
2670 MachineClass *mc = el->data;
2671 if (mc->alias) {
2672 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2673 }
2674 printf("%-20s %s%s\n", mc->name, mc->desc,
2675 mc->is_default ? " (default)" : "");
2676 }
2677 }
2678
2679 g_slist_free(machines);
2680 exit(!name || !is_help_option(name));
2681 }
2682
2683 void qemu_add_exit_notifier(Notifier *notify)
2684 {
2685 notifier_list_add(&exit_notifiers, notify);
2686 }
2687
2688 void qemu_remove_exit_notifier(Notifier *notify)
2689 {
2690 notifier_remove(notify);
2691 }
2692
2693 static void qemu_run_exit_notifiers(void)
2694 {
2695 notifier_list_notify(&exit_notifiers, NULL);
2696 }
2697
2698 void qemu_add_machine_init_done_notifier(Notifier *notify)
2699 {
2700 notifier_list_add(&machine_init_done_notifiers, notify);
2701 }
2702
2703 static void qemu_run_machine_init_done_notifiers(void)
2704 {
2705 notifier_list_notify(&machine_init_done_notifiers, NULL);
2706 }
2707
2708 static const QEMUOption *lookup_opt(int argc, char **argv,
2709 const char **poptarg, int *poptind)
2710 {
2711 const QEMUOption *popt;
2712 int optind = *poptind;
2713 char *r = argv[optind];
2714 const char *optarg;
2715
2716 loc_set_cmdline(argv, optind, 1);
2717 optind++;
2718 /* Treat --foo the same as -foo. */
2719 if (r[1] == '-')
2720 r++;
2721 popt = qemu_options;
2722 for(;;) {
2723 if (!popt->name) {
2724 error_report("invalid option");
2725 exit(1);
2726 }
2727 if (!strcmp(popt->name, r + 1))
2728 break;
2729 popt++;
2730 }
2731 if (popt->flags & HAS_ARG) {
2732 if (optind >= argc) {
2733 error_report("requires an argument");
2734 exit(1);
2735 }
2736 optarg = argv[optind++];
2737 loc_set_cmdline(argv, optind - 2, 2);
2738 } else {
2739 optarg = NULL;
2740 }
2741
2742 *poptarg = optarg;
2743 *poptind = optind;
2744
2745 return popt;
2746 }
2747
2748 static gpointer malloc_and_trace(gsize n_bytes)
2749 {
2750 void *ptr = malloc(n_bytes);
2751 trace_g_malloc(n_bytes, ptr);
2752 return ptr;
2753 }
2754
2755 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2756 {
2757 void *ptr = realloc(mem, n_bytes);
2758 trace_g_realloc(mem, n_bytes, ptr);
2759 return ptr;
2760 }
2761
2762 static void free_and_trace(gpointer mem)
2763 {
2764 trace_g_free(mem);
2765 free(mem);
2766 }
2767
2768 static int machine_set_property(const char *name, const char *value,
2769 void *opaque)
2770 {
2771 Object *obj = OBJECT(opaque);
2772 StringInputVisitor *siv;
2773 Error *local_err = NULL;
2774 char *c, *qom_name;
2775
2776 if (strcmp(name, "type") == 0) {
2777 return 0;
2778 }
2779
2780 qom_name = g_strdup(name);
2781 c = qom_name;
2782 while (*c++) {
2783 if (*c == '_') {
2784 *c = '-';
2785 }
2786 }
2787
2788 siv = string_input_visitor_new(value);
2789 object_property_set(obj, string_input_get_visitor(siv), qom_name, &local_err);
2790 string_input_visitor_cleanup(siv);
2791 g_free(qom_name);
2792
2793 if (local_err) {
2794 qerror_report_err(local_err);
2795 error_free(local_err);
2796 return -1;
2797 }
2798
2799 return 0;
2800 }
2801
2802 static int object_create(QemuOpts *opts, void *opaque)
2803 {
2804 Error *err = NULL;
2805 char *type = NULL;
2806 char *id = NULL;
2807 void *dummy = NULL;
2808 OptsVisitor *ov;
2809 QDict *pdict;
2810
2811 ov = opts_visitor_new(opts);
2812 pdict = qemu_opts_to_qdict(opts, NULL);
2813
2814 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2815 if (err) {
2816 goto out;
2817 }
2818
2819 qdict_del(pdict, "qom-type");
2820 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2821 if (err) {
2822 goto out;
2823 }
2824
2825 qdict_del(pdict, "id");
2826 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2827 if (err) {
2828 goto out;
2829 }
2830
2831 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2832 if (err) {
2833 goto out;
2834 }
2835 visit_end_struct(opts_get_visitor(ov), &err);
2836 if (err) {
2837 qmp_object_del(id, NULL);
2838 }
2839
2840 out:
2841 opts_visitor_cleanup(ov);
2842
2843 QDECREF(pdict);
2844 g_free(id);
2845 g_free(type);
2846 g_free(dummy);
2847 if (err) {
2848 qerror_report_err(err);
2849 error_free(err);
2850 return -1;
2851 }
2852 return 0;
2853 }
2854
2855 int main(int argc, char **argv, char **envp)
2856 {
2857 int i;
2858 int snapshot, linux_boot;
2859 const char *initrd_filename;
2860 const char *kernel_filename, *kernel_cmdline;
2861 const char *boot_order;
2862 DisplayState *ds;
2863 int cyls, heads, secs, translation;
2864 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2865 QemuOptsList *olist;
2866 int optind;
2867 const char *optarg;
2868 const char *loadvm = NULL;
2869 MachineClass *machine_class;
2870 const char *cpu_model;
2871 const char *vga_model = NULL;
2872 const char *qtest_chrdev = NULL;
2873 const char *qtest_log = NULL;
2874 const char *pid_file = NULL;
2875 const char *incoming = NULL;
2876 #ifdef CONFIG_VNC
2877 int show_vnc_port = 0;
2878 #endif
2879 bool defconfig = true;
2880 bool userconfig = true;
2881 const char *log_mask = NULL;
2882 const char *log_file = NULL;
2883 GMemVTable mem_trace = {
2884 .malloc = malloc_and_trace,
2885 .realloc = realloc_and_trace,
2886 .free = free_and_trace,
2887 };
2888 const char *trace_events = NULL;
2889 const char *trace_file = NULL;
2890 const ram_addr_t default_ram_size = (ram_addr_t)DEFAULT_RAM_SIZE *
2891 1024 * 1024;
2892 ram_addr_t maxram_size = default_ram_size;
2893 uint64_t ram_slots = 0;
2894 FILE *vmstate_dump_file = NULL;
2895 Error *main_loop_err = NULL;
2896
2897 atexit(qemu_run_exit_notifiers);
2898 error_set_progname(argv[0]);
2899 qemu_init_exec_dir(argv[0]);
2900
2901 g_mem_set_vtable(&mem_trace);
2902
2903 module_call_init(MODULE_INIT_QOM);
2904
2905 qemu_add_opts(&qemu_drive_opts);
2906 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2907 qemu_add_drive_opts(&qemu_common_drive_opts);
2908 qemu_add_drive_opts(&qemu_drive_opts);
2909 qemu_add_opts(&qemu_chardev_opts);
2910 qemu_add_opts(&qemu_device_opts);
2911 qemu_add_opts(&qemu_netdev_opts);
2912 qemu_add_opts(&qemu_net_opts);
2913 qemu_add_opts(&qemu_rtc_opts);
2914 qemu_add_opts(&qemu_global_opts);
2915 qemu_add_opts(&qemu_mon_opts);
2916 qemu_add_opts(&qemu_trace_opts);
2917 qemu_add_opts(&qemu_option_rom_opts);
2918 qemu_add_opts(&qemu_machine_opts);
2919 qemu_add_opts(&qemu_mem_opts);
2920 qemu_add_opts(&qemu_smp_opts);
2921 qemu_add_opts(&qemu_boot_opts);
2922 qemu_add_opts(&qemu_sandbox_opts);
2923 qemu_add_opts(&qemu_add_fd_opts);
2924 qemu_add_opts(&qemu_object_opts);
2925 qemu_add_opts(&qemu_tpmdev_opts);
2926 qemu_add_opts(&qemu_realtime_opts);
2927 qemu_add_opts(&qemu_msg_opts);
2928 qemu_add_opts(&qemu_name_opts);
2929 qemu_add_opts(&qemu_numa_opts);
2930 qemu_add_opts(&qemu_icount_opts);
2931
2932 runstate_init();
2933
2934 rtc_clock = QEMU_CLOCK_HOST;
2935
2936 QLIST_INIT (&vm_change_state_head);
2937 os_setup_early_signal_handling();
2938
2939 module_call_init(MODULE_INIT_MACHINE);
2940 machine_class = find_default_machine();
2941 cpu_model = NULL;
2942 ram_size = default_ram_size;
2943 snapshot = 0;
2944 cyls = heads = secs = 0;
2945 translation = BIOS_ATA_TRANSLATION_AUTO;
2946
2947 for (i = 0; i < MAX_NODES; i++) {
2948 numa_info[i].node_mem = 0;
2949 numa_info[i].present = false;
2950 bitmap_zero(numa_info[i].node_cpu, MAX_CPUMASK_BITS);
2951 }
2952
2953 nb_numa_nodes = 0;
2954 max_numa_nodeid = 0;
2955 nb_nics = 0;
2956
2957 bdrv_init_with_whitelist();
2958
2959 autostart = 1;
2960
2961 /* first pass of option parsing */
2962 optind = 1;
2963 while (optind < argc) {
2964 if (argv[optind][0] != '-') {
2965 /* disk image */
2966 optind++;
2967 } else {
2968 const QEMUOption *popt;
2969
2970 popt = lookup_opt(argc, argv, &optarg, &optind);
2971 switch (popt->index) {
2972 case QEMU_OPTION_nodefconfig:
2973 defconfig = false;
2974 break;
2975 case QEMU_OPTION_nouserconfig:
2976 userconfig = false;
2977 break;
2978 }
2979 }
2980 }
2981
2982 if (defconfig) {
2983 int ret;
2984 ret = qemu_read_default_config_files(userconfig);
2985 if (ret < 0) {
2986 exit(1);
2987 }
2988 }
2989
2990 /* second pass of option parsing */
2991 optind = 1;
2992 for(;;) {
2993 if (optind >= argc)
2994 break;
2995 if (argv[optind][0] != '-') {
2996 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2997 } else {
2998 const QEMUOption *popt;
2999
3000 popt = lookup_opt(argc, argv, &optarg, &optind);
3001 if (!(popt->arch_mask & arch_type)) {
3002 printf("Option %s not supported for this target\n", popt->name);
3003 exit(1);
3004 }
3005 switch(popt->index) {
3006 case QEMU_OPTION_M:
3007 machine_class = machine_parse(optarg);
3008 break;
3009 case QEMU_OPTION_no_kvm_irqchip: {
3010 olist = qemu_find_opts("machine");
3011 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
3012 break;
3013 }
3014 case QEMU_OPTION_cpu:
3015 /* hw initialization will check this */
3016 cpu_model = optarg;
3017 break;
3018 case QEMU_OPTION_hda:
3019 {
3020 char buf[256];
3021 if (cyls == 0)
3022 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3023 else
3024 snprintf(buf, sizeof(buf),
3025 "%s,cyls=%d,heads=%d,secs=%d%s",
3026 HD_OPTS , cyls, heads, secs,
3027 translation == BIOS_ATA_TRANSLATION_LBA ?
3028 ",trans=lba" :
3029 translation == BIOS_ATA_TRANSLATION_NONE ?
3030 ",trans=none" : "");
3031 drive_add(IF_DEFAULT, 0, optarg, buf);
3032 break;
3033 }
3034 case QEMU_OPTION_hdb:
3035 case QEMU_OPTION_hdc:
3036 case QEMU_OPTION_hdd:
3037 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3038 HD_OPTS);
3039 break;
3040 case QEMU_OPTION_drive:
3041 if (drive_def(optarg) == NULL) {
3042 exit(1);
3043 }
3044 break;
3045 case QEMU_OPTION_set:
3046 if (qemu_set_option(optarg) != 0)
3047 exit(1);
3048 break;
3049 case QEMU_OPTION_global:
3050 if (qemu_global_option(optarg) != 0)
3051 exit(1);
3052 break;
3053 case QEMU_OPTION_mtdblock:
3054 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3055 break;
3056 case QEMU_OPTION_sd:
3057 drive_add(IF_SD, -1, optarg, SD_OPTS);
3058 break;
3059 case QEMU_OPTION_pflash:
3060 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3061 break;
3062 case QEMU_OPTION_snapshot:
3063 snapshot = 1;
3064 break;
3065 case QEMU_OPTION_hdachs:
3066 {
3067 const char *p;
3068 p = optarg;
3069 cyls = strtol(p, (char **)&p, 0);
3070 if (cyls < 1 || cyls > 16383)
3071 goto chs_fail;
3072 if (*p != ',')
3073 goto chs_fail;
3074 p++;
3075 heads = strtol(p, (char **)&p, 0);
3076 if (heads < 1 || heads > 16)
3077 goto chs_fail;
3078 if (*p != ',')
3079 goto chs_fail;
3080 p++;
3081 secs = strtol(p, (char **)&p, 0);
3082 if (secs < 1 || secs > 63)
3083 goto chs_fail;
3084 if (*p == ',') {
3085 p++;
3086 if (!strcmp(p, "large")) {
3087 translation = BIOS_ATA_TRANSLATION_LARGE;
3088 } else if (!strcmp(p, "rechs")) {
3089 translation = BIOS_ATA_TRANSLATION_RECHS;
3090 } else if (!strcmp(p, "none")) {
3091 translation = BIOS_ATA_TRANSLATION_NONE;
3092 } else if (!strcmp(p, "lba")) {
3093 translation = BIOS_ATA_TRANSLATION_LBA;
3094 } else if (!strcmp(p, "auto")) {
3095 translation = BIOS_ATA_TRANSLATION_AUTO;
3096 } else {
3097 goto chs_fail;
3098 }
3099 } else if (*p != '\0') {
3100 chs_fail:
3101 fprintf(stderr, "qemu: invalid physical CHS format\n");
3102 exit(1);
3103 }
3104 if (hda_opts != NULL) {
3105 char num[16];
3106 snprintf(num, sizeof(num), "%d", cyls);
3107 qemu_opt_set(hda_opts, "cyls", num);
3108 snprintf(num, sizeof(num), "%d", heads);
3109 qemu_opt_set(hda_opts, "heads", num);
3110 snprintf(num, sizeof(num), "%d", secs);
3111 qemu_opt_set(hda_opts, "secs", num);
3112 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3113 qemu_opt_set(hda_opts, "trans", "large");
3114 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3115 qemu_opt_set(hda_opts, "trans", "rechs");
3116 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3117 qemu_opt_set(hda_opts, "trans", "lba");
3118 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3119 qemu_opt_set(hda_opts, "trans", "none");
3120 }
3121 }
3122 }
3123 break;
3124 case QEMU_OPTION_numa:
3125 opts = qemu_opts_parse(qemu_find_opts("numa"), optarg, 1);
3126 if (!opts) {
3127 exit(1);
3128 }
3129 break;
3130 case QEMU_OPTION_display:
3131 display_type = select_display(optarg);
3132 break;
3133 case QEMU_OPTION_nographic:
3134 display_type = DT_NOGRAPHIC;
3135 break;
3136 case QEMU_OPTION_curses:
3137 #ifdef CONFIG_CURSES
3138 display_type = DT_CURSES;
3139 #else
3140 fprintf(stderr, "Curses support is disabled\n");
3141 exit(1);
3142 #endif
3143 break;
3144 case QEMU_OPTION_portrait:
3145 graphic_rotate = 90;
3146 break;
3147 case QEMU_OPTION_rotate:
3148 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3149 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3150 graphic_rotate != 180 && graphic_rotate != 270) {
3151 fprintf(stderr,
3152 "qemu: only 90, 180, 270 deg rotation is available\n");
3153 exit(1);
3154 }
3155 break;
3156 case QEMU_OPTION_kernel:
3157 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3158 break;
3159 case QEMU_OPTION_initrd:
3160 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3161 break;
3162 case QEMU_OPTION_append:
3163 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3164 break;
3165 case QEMU_OPTION_dtb:
3166 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3167 break;
3168 case QEMU_OPTION_cdrom:
3169 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3170 break;
3171 case QEMU_OPTION_boot:
3172 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3173 if (!opts) {
3174 exit(1);
3175 }
3176 break;
3177 case QEMU_OPTION_fda:
3178 case QEMU_OPTION_fdb:
3179 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3180 optarg, FD_OPTS);
3181 break;
3182 case QEMU_OPTION_no_fd_bootchk:
3183 fd_bootchk = 0;
3184 break;
3185 case QEMU_OPTION_netdev:
3186 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3187 exit(1);
3188 }
3189 break;
3190 case QEMU_OPTION_net:
3191 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3192 exit(1);
3193 }
3194 break;
3195 #ifdef CONFIG_LIBISCSI
3196 case QEMU_OPTION_iscsi:
3197 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3198 if (!opts) {
3199 exit(1);
3200 }
3201 break;
3202 #endif
3203 #ifdef CONFIG_SLIRP
3204 case QEMU_OPTION_tftp:
3205 legacy_tftp_prefix = optarg;
3206 break;
3207 case QEMU_OPTION_bootp:
3208 legacy_bootp_filename = optarg;
3209 break;
3210 case QEMU_OPTION_redir:
3211 if (net_slirp_redir(optarg) < 0)
3212 exit(1);
3213 break;
3214 #endif
3215 case QEMU_OPTION_bt:
3216 add_device_config(DEV_BT, optarg);
3217 break;
3218 case QEMU_OPTION_audio_help:
3219 AUD_help ();
3220 exit (0);
3221 break;
3222 case QEMU_OPTION_soundhw:
3223 select_soundhw (optarg);
3224 break;
3225 case QEMU_OPTION_h:
3226 help(0);
3227 break;
3228 case QEMU_OPTION_version:
3229 version();
3230 exit(0);
3231 break;
3232 case QEMU_OPTION_m: {
3233 uint64_t sz;
3234 const char *mem_str;
3235 const char *maxmem_str, *slots_str;
3236
3237 opts = qemu_opts_parse(qemu_find_opts("memory"),
3238 optarg, 1);
3239 if (!opts) {
3240 exit(EXIT_FAILURE);
3241 }
3242
3243 mem_str = qemu_opt_get(opts, "size");
3244 if (!mem_str) {
3245 error_report("invalid -m option, missing 'size' option");
3246 exit(EXIT_FAILURE);
3247 }
3248 if (!*mem_str) {
3249 error_report("missing 'size' option value");
3250 exit(EXIT_FAILURE);
3251 }
3252
3253 sz = qemu_opt_get_size(opts, "size", ram_size);
3254
3255 /* Fix up legacy suffix-less format */
3256 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
3257 uint64_t overflow_check = sz;
3258
3259 sz <<= 20;
3260 if ((sz >> 20) != overflow_check) {
3261 error_report("too large 'size' option value");
3262 exit(EXIT_FAILURE);
3263 }
3264 }
3265
3266 /* backward compatibility behaviour for case "-m 0" */
3267 if (sz == 0) {
3268 sz = default_ram_size;
3269 }
3270
3271 sz = QEMU_ALIGN_UP(sz, 8192);
3272 ram_size = sz;
3273 if (ram_size != sz) {
3274 error_report("ram size too large");
3275 exit(EXIT_FAILURE);
3276 }
3277 maxram_size = ram_size;
3278
3279 maxmem_str = qemu_opt_get(opts, "maxmem");
3280 slots_str = qemu_opt_get(opts, "slots");
3281 if (maxmem_str && slots_str) {
3282 uint64_t slots;
3283
3284 sz = qemu_opt_get_size(opts, "maxmem", 0);
3285 if (sz < ram_size) {
3286 error_report("invalid -m option value: maxmem "
3287 "(0x%" PRIx64 ") <= initial memory (0x"
3288 RAM_ADDR_FMT ")", sz, ram_size);
3289 exit(EXIT_FAILURE);
3290 }
3291
3292 slots = qemu_opt_get_number(opts, "slots", 0);
3293 if ((sz > ram_size) && !slots) {
3294 error_report("invalid -m option value: maxmem "
3295 "(0x%" PRIx64 ") more than initial memory (0x"
3296 RAM_ADDR_FMT ") but no hotplug slots where "
3297 "specified", sz, ram_size);
3298 exit(EXIT_FAILURE);
3299 }
3300
3301 if ((sz <= ram_size) && slots) {
3302 error_report("invalid -m option value: %"
3303 PRIu64 " hotplug slots where specified but "
3304 "maxmem (0x%" PRIx64 ") <= initial memory (0x"
3305 RAM_ADDR_FMT ")", slots, sz, ram_size);
3306 exit(EXIT_FAILURE);
3307 }
3308 maxram_size = sz;
3309 ram_slots = slots;
3310 } else if ((!maxmem_str && slots_str) ||
3311 (maxmem_str && !slots_str)) {
3312 error_report("invalid -m option value: missing "
3313 "'%s' option", slots_str ? "maxmem" : "slots");
3314 exit(EXIT_FAILURE);
3315 }
3316 break;
3317 }
3318 #ifdef CONFIG_TPM
3319 case QEMU_OPTION_tpmdev:
3320 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3321 exit(1);
3322 }
3323 break;
3324 #endif
3325 case QEMU_OPTION_mempath:
3326 mem_path = optarg;
3327 break;
3328 case QEMU_OPTION_mem_prealloc:
3329 mem_prealloc = 1;
3330 break;
3331 case QEMU_OPTION_d:
3332 log_mask = optarg;
3333 break;
3334 case QEMU_OPTION_D:
3335 log_file = optarg;
3336 break;
3337 case QEMU_OPTION_s:
3338 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3339 break;
3340 case QEMU_OPTION_gdb:
3341 add_device_config(DEV_GDB, optarg);
3342 break;
3343 case QEMU_OPTION_L:
3344 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3345 data_dir[data_dir_idx++] = optarg;
3346 }
3347 break;
3348 case QEMU_OPTION_bios:
3349 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg);
3350 break;
3351 case QEMU_OPTION_singlestep:
3352 singlestep = 1;
3353 break;
3354 case QEMU_OPTION_S:
3355 autostart = 0;
3356 break;
3357 case QEMU_OPTION_k:
3358 keyboard_layout = optarg;
3359 break;
3360 case QEMU_OPTION_localtime:
3361 rtc_utc = 0;
3362 break;
3363 case QEMU_OPTION_vga:
3364 vga_model = optarg;
3365 default_vga = 0;
3366 break;
3367 case QEMU_OPTION_g:
3368 {
3369 const char *p;
3370 int w, h, depth;
3371 p = optarg;
3372 w = strtol(p, (char **)&p, 10);
3373 if (w <= 0) {
3374 graphic_error:
3375 fprintf(stderr, "qemu: invalid resolution or depth\n");
3376 exit(1);
3377 }
3378 if (*p != 'x')
3379 goto graphic_error;
3380 p++;
3381 h = strtol(p, (char **)&p, 10);
3382 if (h <= 0)
3383 goto graphic_error;
3384 if (*p == 'x') {
3385 p++;
3386 depth = strtol(p, (char **)&p, 10);
3387 if (depth != 8 && depth != 15 && depth != 16 &&
3388 depth != 24 && depth != 32)
3389 goto graphic_error;
3390 } else if (*p == '\0') {
3391 depth = graphic_depth;
3392 } else {
3393 goto graphic_error;
3394 }
3395
3396 graphic_width = w;
3397 graphic_height = h;
3398 graphic_depth = depth;
3399 }
3400 break;
3401 case QEMU_OPTION_echr:
3402 {
3403 char *r;
3404 term_escape_char = strtol(optarg, &r, 0);
3405 if (r == optarg)
3406 printf("Bad argument to echr\n");
3407 break;
3408 }
3409 case QEMU_OPTION_monitor:
3410 default_monitor = 0;
3411 if (strncmp(optarg, "none", 4)) {
3412 monitor_parse(optarg, "readline");
3413 }
3414 break;
3415 case QEMU_OPTION_qmp:
3416 monitor_parse(optarg, "control");
3417 default_monitor = 0;
3418 break;
3419 case QEMU_OPTION_mon:
3420 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3421 if (!opts) {
3422 exit(1);
3423 }
3424 default_monitor = 0;
3425 break;
3426 case QEMU_OPTION_chardev:
3427 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3428 if (!opts) {
3429 exit(1);
3430 }
3431 break;
3432 case QEMU_OPTION_fsdev:
3433 olist = qemu_find_opts("fsdev");
3434 if (!olist) {
3435 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3436 exit(1);
3437 }
3438 opts = qemu_opts_parse(olist, optarg, 1);
3439 if (!opts) {
3440 exit(1);
3441 }
3442 break;
3443 case QEMU_OPTION_virtfs: {
3444 QemuOpts *fsdev;
3445 QemuOpts *device;
3446 const char *writeout, *sock_fd, *socket;
3447
3448 olist = qemu_find_opts("virtfs");
3449 if (!olist) {
3450 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3451 exit(1);
3452 }
3453 opts = qemu_opts_parse(olist, optarg, 1);
3454 if (!opts) {
3455 exit(1);
3456 }
3457
3458 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3459 qemu_opt_get(opts, "mount_tag") == NULL) {
3460 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3461 exit(1);
3462 }
3463 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3464 qemu_opt_get(opts, "mount_tag"),
3465 1, NULL);
3466 if (!fsdev) {
3467 fprintf(stderr, "duplicate fsdev id: %s\n",
3468 qemu_opt_get(opts, "mount_tag"));
3469 exit(1);
3470 }
3471
3472 writeout = qemu_opt_get(opts, "writeout");
3473 if (writeout) {
3474 #ifdef CONFIG_SYNC_FILE_RANGE
3475 qemu_opt_set(fsdev, "writeout", writeout);
3476 #else
3477 fprintf(stderr, "writeout=immediate not supported on "
3478 "this platform\n");
3479 exit(1);
3480 #endif
3481 }
3482 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3483 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3484 qemu_opt_set(fsdev, "security_model",
3485 qemu_opt_get(opts, "security_model"));
3486 socket = qemu_opt_get(opts, "socket");
3487 if (socket) {
3488 qemu_opt_set(fsdev, "socket", socket);
3489 }
3490 sock_fd = qemu_opt_get(opts, "sock_fd");
3491 if (sock_fd) {
3492 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3493 }
3494
3495 qemu_opt_set_bool(fsdev, "readonly",
3496 qemu_opt_get_bool(opts, "readonly", 0));
3497 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3498 &error_abort);
3499 qemu_opt_set(device, "driver", "virtio-9p-pci");
3500 qemu_opt_set(device, "fsdev",
3501 qemu_opt_get(opts, "mount_tag"));
3502 qemu_opt_set(device, "mount_tag",
3503 qemu_opt_get(opts, "mount_tag"));
3504 break;
3505 }
3506 case QEMU_OPTION_virtfs_synth: {
3507 QemuOpts *fsdev;
3508 QemuOpts *device;
3509
3510 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3511 1, NULL);
3512 if (!fsdev) {
3513 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3514 exit(1);
3515 }
3516 qemu_opt_set(fsdev, "fsdriver", "synth");
3517
3518 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3519 &error_abort);
3520 qemu_opt_set(device, "driver", "virtio-9p-pci");
3521 qemu_opt_set(device, "fsdev", "v_synth");
3522 qemu_opt_set(device, "mount_tag", "v_synth");
3523 break;
3524 }
3525 case QEMU_OPTION_serial:
3526 add_device_config(DEV_SERIAL, optarg);
3527 default_serial = 0;
3528 if (strncmp(optarg, "mon:", 4) == 0) {
3529 default_monitor = 0;
3530 }
3531 break;
3532 case QEMU_OPTION_watchdog:
3533 if (watchdog) {
3534 fprintf(stderr,
3535 "qemu: only one watchdog option may be given\n");
3536 return 1;
3537 }
3538 watchdog = optarg;
3539 break;
3540 case QEMU_OPTION_watchdog_action:
3541 if (select_watchdog_action(optarg) == -1) {
3542 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3543 exit(1);
3544 }
3545 break;
3546 case QEMU_OPTION_virtiocon:
3547 add_device_config(DEV_VIRTCON, optarg);
3548 default_virtcon = 0;
3549 if (strncmp(optarg, "mon:", 4) == 0) {
3550 default_monitor = 0;
3551 }
3552 break;
3553 case QEMU_OPTION_parallel:
3554 add_device_config(DEV_PARALLEL, optarg);
3555 default_parallel = 0;
3556 if (strncmp(optarg, "mon:", 4) == 0) {
3557 default_monitor = 0;
3558 }
3559 break;
3560 case QEMU_OPTION_debugcon:
3561 add_device_config(DEV_DEBUGCON, optarg);
3562 break;
3563 case QEMU_OPTION_loadvm:
3564 loadvm = optarg;
3565 break;
3566 case QEMU_OPTION_full_screen:
3567 full_screen = 1;
3568 break;
3569 case QEMU_OPTION_no_frame:
3570 no_frame = 1;
3571 break;
3572 case QEMU_OPTION_alt_grab:
3573 alt_grab = 1;
3574 break;
3575 case QEMU_OPTION_ctrl_grab:
3576 ctrl_grab = 1;
3577 break;
3578 case QEMU_OPTION_no_quit:
3579 no_quit = 1;
3580 break;
3581 case QEMU_OPTION_sdl:
3582 #ifdef CONFIG_SDL
3583 display_type = DT_SDL;
3584 break;
3585 #else
3586 fprintf(stderr, "SDL support is disabled\n");
3587 exit(1);
3588 #endif
3589 case QEMU_OPTION_pidfile:
3590 pid_file = optarg;
3591 break;
3592 case QEMU_OPTION_win2k_hack:
3593 win2k_install_hack = 1;
3594 break;
3595 case QEMU_OPTION_rtc_td_hack: {
3596 static GlobalProperty slew_lost_ticks[] = {
3597 {
3598 .driver = "mc146818rtc",
3599 .property = "lost_tick_policy",
3600 .value = "slew",
3601 },
3602 { /* end of list */ }
3603 };
3604
3605 qdev_prop_register_global_list(slew_lost_ticks);
3606 break;
3607 }
3608 case QEMU_OPTION_acpitable:
3609 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3610 if (!opts) {
3611 exit(1);
3612 }
3613 do_acpitable_option(opts);
3614 break;
3615 case QEMU_OPTION_smbios:
3616 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3617 if (!opts) {
3618 exit(1);
3619 }
3620 do_smbios_option(opts);
3621 break;
3622 case QEMU_OPTION_enable_kvm:
3623 olist = qemu_find_opts("machine");
3624 qemu_opts_parse(olist, "accel=kvm", 0);
3625 break;
3626 case QEMU_OPTION_machine:
3627 olist = qemu_find_opts("machine");
3628 opts = qemu_opts_parse(olist, optarg, 1);
3629 if (!opts) {
3630 exit(1);
3631 }
3632 optarg = qemu_opt_get(opts, "type");
3633 if (optarg) {
3634 machine_class = machine_parse(optarg);
3635 }
3636 break;
3637 case QEMU_OPTION_no_kvm:
3638 olist = qemu_find_opts("machine");
3639 qemu_opts_parse(olist, "accel=tcg", 0);
3640 break;
3641 case QEMU_OPTION_no_kvm_pit: {
3642 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3643 "separately.\n");
3644 break;
3645 }
3646 case QEMU_OPTION_no_kvm_pit_reinjection: {
3647 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3648 {
3649 .driver = "kvm-pit",
3650 .property = "lost_tick_policy",
3651 .value = "discard",
3652 },
3653 { /* end of list */ }
3654 };
3655
3656 fprintf(stderr, "Warning: option deprecated, use "
3657 "lost_tick_policy property of kvm-pit instead.\n");
3658 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3659 break;
3660 }
3661 case QEMU_OPTION_usb:
3662 olist = qemu_find_opts("machine");
3663 qemu_opts_parse(olist, "usb=on", 0);
3664 break;
3665 case QEMU_OPTION_usbdevice:
3666 olist = qemu_find_opts("machine");
3667 qemu_opts_parse(olist, "usb=on", 0);
3668 add_device_config(DEV_USB, optarg);
3669 break;
3670 case QEMU_OPTION_device:
3671 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3672 exit(1);
3673 }
3674 break;
3675 case QEMU_OPTION_smp:
3676 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3677 exit(1);
3678 }
3679 break;
3680 case QEMU_OPTION_vnc:
3681 #ifdef CONFIG_VNC
3682 display_remote++;
3683 vnc_display = optarg;
3684 #else
3685 fprintf(stderr, "VNC support is disabled\n");
3686 exit(1);
3687 #endif
3688 break;
3689 case QEMU_OPTION_no_acpi:
3690 acpi_enabled = 0;
3691 break;
3692 case QEMU_OPTION_no_hpet:
3693 no_hpet = 1;
3694 break;
3695 case QEMU_OPTION_balloon:
3696 if (balloon_parse(optarg) < 0) {
3697 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3698 exit(1);
3699 }
3700 break;
3701 case QEMU_OPTION_no_reboot:
3702 no_reboot = 1;
3703 break;
3704 case QEMU_OPTION_no_shutdown:
3705 no_shutdown = 1;
3706 break;
3707 case QEMU_OPTION_show_cursor:
3708 cursor_hide = 0;
3709 break;
3710 case QEMU_OPTION_uuid:
3711 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3712 fprintf(stderr, "Fail to parse UUID string."
3713 " Wrong format.\n");
3714 exit(1);
3715 }
3716 qemu_uuid_set = true;
3717 break;
3718 case QEMU_OPTION_option_rom:
3719 if (nb_option_roms >= MAX_OPTION_ROMS) {
3720 fprintf(stderr, "Too many option ROMs\n");
3721 exit(1);
3722 }
3723 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3724 if (!opts) {
3725 exit(1);
3726 }
3727 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3728 option_rom[nb_option_roms].bootindex =
3729 qemu_opt_get_number(opts, "bootindex", -1);
3730 if (!option_rom[nb_option_roms].name) {
3731 fprintf(stderr, "Option ROM file is not specified\n");
3732 exit(1);
3733 }
3734 nb_option_roms++;
3735 break;
3736 case QEMU_OPTION_semihosting:
3737 semihosting_enabled = 1;
3738 break;
3739 case QEMU_OPTION_tdf:
3740 fprintf(stderr, "Warning: user space PIT time drift fix "
3741 "is no longer supported.\n");
3742 break;
3743 case QEMU_OPTION_name:
3744 opts = qemu_opts_parse(qemu_find_opts("name"), optarg, 1);
3745 if (!opts) {
3746 exit(1);
3747 }
3748 break;
3749 case QEMU_OPTION_prom_env:
3750 if (nb_prom_envs >= MAX_PROM_ENVS) {
3751 fprintf(stderr, "Too many prom variables\n");
3752 exit(1);
3753 }
3754 prom_envs[nb_prom_envs] = optarg;
3755 nb_prom_envs++;
3756 break;
3757 case QEMU_OPTION_old_param:
3758 old_param = 1;
3759 break;
3760 case QEMU_OPTION_clock:
3761 /* Clock options no longer exist. Keep this option for
3762 * backward compatibility.
3763 */
3764 break;
3765 case QEMU_OPTION_startdate:
3766 configure_rtc_date_offset(optarg, 1);
3767 break;
3768 case QEMU_OPTION_rtc:
3769 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3770 if (!opts) {
3771 exit(1);
3772 }
3773 configure_rtc(opts);
3774 break;
3775 case QEMU_OPTION_tb_size:
3776 tcg_tb_size = strtol(optarg, NULL, 0);
3777 if (tcg_tb_size < 0) {
3778 tcg_tb_size = 0;
3779 }
3780 break;
3781 case QEMU_OPTION_icount:
3782 icount_opts = qemu_opts_parse(qemu_find_opts("icount"),
3783 optarg, 1);
3784 if (!icount_opts) {
3785 exit(1);
3786 }
3787 break;
3788 case QEMU_OPTION_incoming:
3789 incoming = optarg;
3790 runstate_set(RUN_STATE_INMIGRATE);
3791 break;
3792 case QEMU_OPTION_nodefaults:
3793 has_defaults = 0;
3794 break;
3795 case QEMU_OPTION_xen_domid:
3796 if (!(xen_available())) {
3797 printf("Option %s not supported for this target\n", popt->name);
3798 exit(1);
3799 }
3800 xen_domid = atoi(optarg);
3801 break;
3802 case QEMU_OPTION_xen_create:
3803 if (!(xen_available())) {
3804 printf("Option %s not supported for this target\n", popt->name);
3805 exit(1);
3806 }
3807 xen_mode = XEN_CREATE;
3808 break;
3809 case QEMU_OPTION_xen_attach:
3810 if (!(xen_available())) {
3811 printf("Option %s not supported for this target\n", popt->name);
3812 exit(1);
3813 }
3814 xen_mode = XEN_ATTACH;
3815 break;
3816 case QEMU_OPTION_trace:
3817 {
3818 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3819 if (!opts) {
3820 exit(1);
3821 }
3822 trace_events = qemu_opt_get(opts, "events");
3823 trace_file = qemu_opt_get(opts, "file");
3824 break;
3825 }
3826 case QEMU_OPTION_readconfig:
3827 {
3828 int ret = qemu_read_config_file(optarg);
3829 if (ret < 0) {
3830 fprintf(stderr, "read config %s: %s\n", optarg,
3831 strerror(-ret));
3832 exit(1);
3833 }
3834 break;
3835 }
3836 case QEMU_OPTION_spice:
3837 olist = qemu_find_opts("spice");
3838 if (!olist) {
3839 fprintf(stderr, "spice is not supported by this qemu build.\n");
3840 exit(1);
3841 }
3842 opts = qemu_opts_parse(olist, optarg, 0);
3843 if (!opts) {
3844 exit(1);
3845 }
3846 display_remote++;
3847 break;
3848 case QEMU_OPTION_writeconfig:
3849 {
3850 FILE *fp;
3851 if (strcmp(optarg, "-") == 0) {
3852 fp = stdout;
3853 } else {
3854 fp = fopen(optarg, "w");
3855 if (fp == NULL) {
3856 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3857 exit(1);
3858 }
3859 }
3860 qemu_config_write(fp);
3861 if (fp != stdout) {
3862 fclose(fp);
3863 }
3864 break;
3865 }
3866 case QEMU_OPTION_qtest:
3867 qtest_chrdev = optarg;
3868 break;
3869 case QEMU_OPTION_qtest_log:
3870 qtest_log = optarg;
3871 break;
3872 case QEMU_OPTION_sandbox:
3873 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3874 if (!opts) {
3875 exit(1);
3876 }
3877 break;
3878 case QEMU_OPTION_add_fd:
3879 #ifndef _WIN32
3880 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3881 if (!opts) {
3882 exit(1);
3883 }
3884 #else
3885 error_report("File descriptor passing is disabled on this "
3886 "platform");
3887 exit(1);
3888 #endif
3889 break;
3890 case QEMU_OPTION_object:
3891 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3892 if (!opts) {
3893 exit(1);
3894 }
3895 break;
3896 case QEMU_OPTION_realtime:
3897 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3898 if (!opts) {
3899 exit(1);
3900 }
3901 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3902 break;
3903 case QEMU_OPTION_msg:
3904 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3905 if (!opts) {
3906 exit(1);
3907 }
3908 configure_msg(opts);
3909 break;
3910 case QEMU_OPTION_dump_vmstate:
3911 vmstate_dump_file = fopen(optarg, "w");
3912 if (vmstate_dump_file == NULL) {
3913 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3914 exit(1);
3915 }
3916 break;
3917 default:
3918 os_parse_cmd_args(popt->index, optarg);
3919 }
3920 }
3921 }
3922 loc_set_none();
3923
3924 os_daemonize();
3925
3926 if (qemu_init_main_loop(&main_loop_err)) {
3927 error_report("%s", error_get_pretty(main_loop_err));
3928 exit(1);
3929 }
3930
3931 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3932 exit(1);
3933 }
3934
3935 if (qemu_opts_foreach(qemu_find_opts("name"), parse_name, NULL, 1)) {
3936 exit(1);
3937 }
3938
3939 #ifndef _WIN32
3940 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3941 exit(1);
3942 }
3943
3944 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3945 exit(1);
3946 }
3947 #endif
3948
3949 if (machine_class == NULL) {
3950 fprintf(stderr, "No machine specified, and there is no default.\n"
3951 "Use -machine help to list supported machines!\n");
3952 exit(1);
3953 }
3954
3955 current_machine = MACHINE(object_new(object_class_get_name(
3956 OBJECT_CLASS(machine_class))));
3957 object_property_add_child(object_get_root(), "machine",
3958 OBJECT(current_machine), &error_abort);
3959 cpu_exec_init_all();
3960
3961 if (machine_class->hw_version) {
3962 qemu_set_version(machine_class->hw_version);
3963 }
3964
3965 /* Init CPU def lists, based on config
3966 * - Must be called after all the qemu_read_config_file() calls
3967 * - Must be called before list_cpus()
3968 * - Must be called before machine->init()
3969 */
3970 cpudef_init();
3971
3972 if (cpu_model && is_help_option(cpu_model)) {
3973 list_cpus(stdout, &fprintf, cpu_model);
3974 exit(0);
3975 }
3976
3977 /* Open the logfile at this point, if necessary. We can't open the logfile
3978 * when encountering either of the logging options (-d or -D) because the
3979 * other one may be encountered later on the command line, changing the
3980 * location or level of logging.
3981 */
3982 if (log_mask) {
3983 int mask;
3984 if (log_file) {
3985 qemu_set_log_filename(log_file);
3986 }
3987
3988 mask = qemu_str_to_log_mask(log_mask);
3989 if (!mask) {
3990 qemu_print_log_usage(stdout);
3991 exit(1);
3992 }
3993 qemu_set_log(mask);
3994 }
3995
3996 if (!is_daemonized()) {
3997 if (!trace_init_backends(trace_events, trace_file)) {
3998 exit(1);
3999 }
4000 }
4001
4002 /* If no data_dir is specified then try to find it relative to the
4003 executable path. */
4004 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4005 data_dir[data_dir_idx] = os_find_datadir();
4006 if (data_dir[data_dir_idx] != NULL) {
4007 data_dir_idx++;
4008 }
4009 }
4010 /* If all else fails use the install path specified when building. */
4011 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4012 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4013 }
4014
4015 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4016
4017 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4018 if (smp_cpus > machine_class->max_cpus) {
4019 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
4020 "supported by machine `%s' (%d)\n", smp_cpus,
4021 machine_class->name, machine_class->max_cpus);
4022 exit(1);
4023 }
4024
4025 /*
4026 * Get the default machine options from the machine if it is not already
4027 * specified either by the configuration file or by the command line.
4028 */
4029 if (machine_class->default_machine_opts) {
4030 qemu_opts_set_defaults(qemu_find_opts("machine"),
4031 machine_class->default_machine_opts, 0);
4032 }
4033
4034 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
4035 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
4036
4037 if (!vga_model && !default_vga) {
4038 vga_interface_type = VGA_DEVICE;
4039 }
4040 if (!has_defaults || machine_class->no_serial) {
4041 default_serial = 0;
4042 }
4043 if (!has_defaults || machine_class->no_parallel) {
4044 default_parallel = 0;
4045 }
4046 if (!has_defaults || !machine_class->use_virtcon) {
4047 default_virtcon = 0;
4048 }
4049 if (!has_defaults || !machine_class->use_sclp) {
4050 default_sclp = 0;
4051 }
4052 if (!has_defaults || machine_class->no_floppy) {
4053 default_floppy = 0;
4054 }
4055 if (!has_defaults || machine_class->no_cdrom) {
4056 default_cdrom = 0;
4057 }
4058 if (!has_defaults || machine_class->no_sdcard) {
4059 default_sdcard = 0;
4060 }
4061 if (!has_defaults) {
4062 default_monitor = 0;
4063 default_net = 0;
4064 default_vga = 0;
4065 }
4066
4067 if (is_daemonized()) {
4068 /* According to documentation and historically, -nographic redirects
4069 * serial port, parallel port and monitor to stdio, which does not work
4070 * with -daemonize. We can redirect these to null instead, but since
4071 * -nographic is legacy, let's just error out.
4072 * We disallow -nographic only if all other ports are not redirected
4073 * explicitly, to not break existing legacy setups which uses
4074 * -nographic _and_ redirects all ports explicitly - this is valid
4075 * usage, -nographic is just a no-op in this case.
4076 */
4077 if (display_type == DT_NOGRAPHIC
4078 && (default_parallel || default_serial
4079 || default_monitor || default_virtcon)) {
4080 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4081 exit(1);
4082 }
4083 #ifdef CONFIG_CURSES
4084 if (display_type == DT_CURSES) {
4085 fprintf(stderr, "curses display can not be used with -daemonize\n");
4086 exit(1);
4087 }
4088 #endif
4089 }
4090
4091 if (display_type == DT_NOGRAPHIC) {
4092 if (default_parallel)
4093 add_device_config(DEV_PARALLEL, "null");
4094 if (default_serial && default_monitor) {
4095 add_device_config(DEV_SERIAL, "mon:stdio");
4096 } else if (default_virtcon && default_monitor) {
4097 add_device_config(DEV_VIRTCON, "mon:stdio");
4098 } else if (default_sclp && default_monitor) {
4099 add_device_config(DEV_SCLP, "mon:stdio");
4100 } else {
4101 if (default_serial)
4102 add_device_config(DEV_SERIAL, "stdio");
4103 if (default_virtcon)
4104 add_device_config(DEV_VIRTCON, "stdio");
4105 if (default_sclp) {
4106 add_device_config(DEV_SCLP, "stdio");
4107 }
4108 if (default_monitor)
4109 monitor_parse("stdio", "readline");
4110 }
4111 } else {
4112 if (default_serial)
4113 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4114 if (default_parallel)
4115 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4116 if (default_monitor)
4117 monitor_parse("vc:80Cx24C", "readline");
4118 if (default_virtcon)
4119 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4120 if (default_sclp) {
4121 add_device_config(DEV_SCLP, "vc:80Cx24C");
4122 }
4123 }
4124
4125 if (display_type == DT_DEFAULT && !display_remote) {
4126 #if defined(CONFIG_GTK)
4127 display_type = DT_GTK;
4128 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4129 display_type = DT_SDL;
4130 #elif defined(CONFIG_VNC)
4131 vnc_display = "localhost:0,to=99";
4132 show_vnc_port = 1;
4133 #else
4134 display_type = DT_NONE;
4135 #endif
4136 }
4137
4138 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4139 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4140 "for SDL, ignoring option\n");
4141 }
4142 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4143 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4144 "ignoring option\n");
4145 }
4146
4147 #if defined(CONFIG_GTK)
4148 if (display_type == DT_GTK) {
4149 early_gtk_display_init();
4150 }
4151 #endif
4152
4153 socket_init();
4154
4155 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4156 exit(1);
4157 #ifdef CONFIG_VIRTFS
4158 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4159 exit(1);
4160 }
4161 #endif
4162
4163 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4164 os_pidfile_error();
4165 exit(1);
4166 }
4167
4168 /* store value for the future use */
4169 qemu_opt_set_number(qemu_find_opts_singleton("memory"), "size", ram_size);
4170
4171 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4172 != 0) {
4173 exit(0);
4174 }
4175
4176 if (qemu_opts_foreach(qemu_find_opts("object"),
4177 object_create, NULL, 0) != 0) {
4178 exit(1);
4179 }
4180
4181 machine_opts = qemu_get_machine_opts();
4182 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4183 1) < 0) {
4184 object_unref(OBJECT(current_machine));
4185 exit(1);
4186 }
4187
4188 configure_accelerator(current_machine);
4189
4190 if (qtest_chrdev) {
4191 Error *local_err = NULL;
4192 qtest_init(qtest_chrdev, qtest_log, &local_err);
4193 if (local_err) {
4194 error_report("%s", error_get_pretty(local_err));
4195 error_free(local_err);
4196 exit(1);
4197 }
4198 }
4199
4200 machine_opts = qemu_get_machine_opts();
4201 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4202 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4203 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4204 bios_name = qemu_opt_get(machine_opts, "firmware");
4205
4206 boot_order = machine_class->default_boot_order;
4207 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4208 if (opts) {
4209 char *normal_boot_order;
4210 const char *order, *once;
4211
4212 order = qemu_opt_get(opts, "order");
4213 if (order) {
4214 validate_bootdevices(order);
4215 boot_order = order;
4216 }
4217
4218 once = qemu_opt_get(opts, "once");
4219 if (once) {
4220 validate_bootdevices(once);
4221 normal_boot_order = g_strdup(boot_order);
4222 boot_order = once;
4223 qemu_register_reset(restore_boot_order, normal_boot_order);
4224 }
4225
4226 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4227 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4228 }
4229
4230 if (!kernel_cmdline) {
4231 kernel_cmdline = "";
4232 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4233 }
4234
4235 linux_boot = (kernel_filename != NULL);
4236
4237 if (!linux_boot && *kernel_cmdline != '\0') {
4238 fprintf(stderr, "-append only allowed with -kernel option\n");
4239 exit(1);
4240 }
4241
4242 if (!linux_boot && initrd_filename != NULL) {
4243 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4244 exit(1);
4245 }
4246
4247 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4248 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4249 exit(1);
4250 }
4251
4252 os_set_line_buffering();
4253
4254 qemu_init_cpu_loop();
4255 qemu_mutex_lock_iothread();
4256
4257 #ifdef CONFIG_SPICE
4258 /* spice needs the timers to be initialized by this point */
4259 qemu_spice_init();
4260 #endif
4261
4262 cpu_ticks_init();
4263 if (icount_opts) {
4264 if (kvm_enabled() || xen_enabled()) {
4265 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4266 exit(1);
4267 }
4268 configure_icount(icount_opts, &error_abort);
4269 qemu_opts_del(icount_opts);
4270 }
4271
4272 /* clean up network at qemu process termination */
4273 atexit(&net_cleanup);
4274
4275 if (net_init_clients() < 0) {
4276 exit(1);
4277 }
4278
4279 #ifdef CONFIG_TPM
4280 if (tpm_init() < 0) {
4281 exit(1);
4282 }
4283 #endif
4284
4285 /* init the bluetooth world */
4286 if (foreach_device_config(DEV_BT, bt_parse))
4287 exit(1);
4288
4289 if (!xen_enabled()) {
4290 /* On 32-bit hosts, QEMU is limited by virtual address space */
4291 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4292 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4293 exit(1);
4294 }
4295 }
4296
4297 blk_mig_init();
4298 ram_mig_init();
4299
4300 /* If the currently selected machine wishes to override the units-per-bus
4301 * property of its default HBA interface type, do so now. */
4302 if (machine_class->units_per_default_bus) {
4303 override_max_devs(machine_class->block_default_type,
4304 machine_class->units_per_default_bus);
4305 }
4306
4307 /* open the virtual block devices */
4308 if (snapshot)
4309 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4310 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4311 &machine_class->block_default_type, 1) != 0) {
4312 exit(1);
4313 }
4314
4315 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4316 CDROM_OPTS);
4317 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4318 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4319
4320 if (qemu_opts_foreach(qemu_find_opts("numa"), numa_init_func,
4321 NULL, 1) != 0) {
4322 exit(1);
4323 }
4324
4325 set_numa_nodes();
4326
4327 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4328 exit(1);
4329 }
4330
4331 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4332 exit(1);
4333 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4334 exit(1);
4335 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4336 exit(1);
4337 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4338 exit(1);
4339 }
4340 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4341 exit(1);
4342
4343 /* If no default VGA is requested, the default is "none". */
4344 if (default_vga) {
4345 if (cirrus_vga_available()) {
4346 vga_model = "cirrus";
4347 } else if (vga_available()) {
4348 vga_model = "std";
4349 }
4350 }
4351 if (vga_model) {
4352 select_vgahw(vga_model);
4353 }
4354
4355 if (watchdog) {
4356 i = select_watchdog(watchdog);
4357 if (i > 0)
4358 exit (i == 1 ? 1 : 0);
4359 }
4360
4361 if (machine_class->compat_props) {
4362 qdev_prop_register_global_list(machine_class->compat_props);
4363 }
4364 qemu_add_globals();
4365
4366 qdev_machine_init();
4367
4368 current_machine->ram_size = ram_size;
4369 current_machine->maxram_size = maxram_size;
4370 current_machine->ram_slots = ram_slots;
4371 current_machine->boot_order = boot_order;
4372 current_machine->cpu_model = cpu_model;
4373
4374 machine_class->init(current_machine);
4375
4376 realtime_init();
4377
4378 audio_init();
4379
4380 cpu_synchronize_all_post_init();
4381
4382 set_numa_modes();
4383
4384 /* init USB devices */
4385 if (usb_enabled(false)) {
4386 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4387 exit(1);
4388 }
4389
4390 /* init generic devices */
4391 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4392 exit(1);
4393
4394 /* Did we create any drives that we failed to create a device for? */
4395 drive_check_orphaned();
4396
4397 net_check_clients();
4398
4399 ds = init_displaystate();
4400
4401 /* init local displays */
4402 switch (display_type) {
4403 case DT_NOGRAPHIC:
4404 (void)ds; /* avoid warning if no display is configured */
4405 break;
4406 #if defined(CONFIG_CURSES)
4407 case DT_CURSES:
4408 curses_display_init(ds, full_screen);
4409 break;
4410 #endif
4411 #if defined(CONFIG_SDL)
4412 case DT_SDL:
4413 sdl_display_init(ds, full_screen, no_frame);
4414 break;
4415 #elif defined(CONFIG_COCOA)
4416 case DT_SDL:
4417 cocoa_display_init(ds, full_screen);
4418 break;
4419 #endif
4420 #if defined(CONFIG_GTK)
4421 case DT_GTK:
4422 gtk_display_init(ds, full_screen, grab_on_hover);
4423 break;
4424 #endif
4425 default:
4426 break;
4427 }
4428
4429 /* must be after terminal init, SDL library changes signal handlers */
4430 os_setup_signal_handling();
4431
4432 #ifdef CONFIG_VNC
4433 /* init remote displays */
4434 if (vnc_display) {
4435 Error *local_err = NULL;
4436 vnc_display_init(ds);
4437 vnc_display_open(ds, vnc_display, &local_err);
4438 if (local_err != NULL) {
4439 error_report("Failed to start VNC server on `%s': %s",
4440 vnc_display, error_get_pretty(local_err));
4441 error_free(local_err);
4442 exit(1);
4443 }
4444
4445 if (show_vnc_port) {
4446 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4447 }
4448 }
4449 #endif
4450 #ifdef CONFIG_SPICE
4451 if (using_spice) {
4452 qemu_spice_display_init();
4453 }
4454 #endif
4455
4456 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4457 exit(1);
4458 }
4459
4460 qdev_machine_creation_done();
4461
4462 if (rom_load_all() != 0) {
4463 fprintf(stderr, "rom loading failed\n");
4464 exit(1);
4465 }
4466
4467 /* TODO: once all bus devices are qdevified, this should be done
4468 * when bus is created by qdev.c */
4469 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4470 qemu_run_machine_init_done_notifiers();
4471
4472 /* Done notifiers can load ROMs */
4473 rom_load_done();
4474
4475 qemu_system_reset(VMRESET_SILENT);
4476 if (loadvm) {
4477 if (load_vmstate(loadvm) < 0) {
4478 autostart = 0;
4479 }
4480 }
4481
4482 qdev_prop_check_globals();
4483 if (vmstate_dump_file) {
4484 /* dump and exit */
4485 dump_vmstate_json_to_file(vmstate_dump_file);
4486 return 0;
4487 }
4488
4489 if (incoming) {
4490 Error *local_err = NULL;
4491 qemu_start_incoming_migration(incoming, &local_err);
4492 if (local_err) {
4493 error_report("-incoming %s: %s", incoming,
4494 error_get_pretty(local_err));
4495 error_free(local_err);
4496 exit(1);
4497 }
4498 } else if (autostart) {
4499 vm_start();
4500 }
4501
4502 os_setup_post();
4503
4504 if (is_daemonized()) {
4505 if (!trace_init_backends(trace_events, trace_file)) {
4506 exit(1);
4507 }
4508 }
4509
4510 main_loop();
4511 bdrv_close_all();
4512 pause_all_vcpus();
4513 res_free();
4514 #ifdef CONFIG_TPM
4515 tpm_cleanup();
4516 #endif
4517
4518 return 0;
4519 }
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