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dataplane: fail notifier setting gracefully
[qemu/ar7.git] / vl.c
bloba8029d59d7d135c5fd1d0186eb7dab5d36d73576
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include <unistd.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <time.h>
28 #include <errno.h>
29 #include <sys/time.h>
30
31 #include "config-host.h"
32
33 #ifdef CONFIG_SECCOMP
34 #include "sysemu/seccomp.h"
35 #endif
36
37 #if defined(CONFIG_VDE)
38 #include <libvdeplug.h>
39 #endif
40
41 #ifdef CONFIG_SDL
42 #if defined(__APPLE__) || defined(main)
43 #include <SDL.h>
44 int qemu_main(int argc, char **argv, char **envp);
45 int main(int argc, char **argv)
46 {
47 return qemu_main(argc, argv, NULL);
48 }
49 #undef main
50 #define main qemu_main
51 #endif
52 #endif /* CONFIG_SDL */
53
54 #ifdef CONFIG_COCOA
55 #undef main
56 #define main qemu_main
57 #endif /* CONFIG_COCOA */
58
59 #include <glib.h>
60
61 #include "qemu/sockets.h"
62 #include "hw/hw.h"
63 #include "hw/boards.h"
64 #include "hw/usb.h"
65 #include "hw/pcmcia.h"
66 #include "hw/i386/pc.h"
67 #include "hw/isa/isa.h"
68 #include "hw/bt.h"
69 #include "sysemu/watchdog.h"
70 #include "hw/i386/smbios.h"
71 #include "hw/xen/xen.h"
72 #include "hw/qdev.h"
73 #include "hw/loader.h"
74 #include "monitor/qdev.h"
75 #include "sysemu/bt.h"
76 #include "net/net.h"
77 #include "net/slirp.h"
78 #include "monitor/monitor.h"
79 #include "ui/console.h"
80 #include "sysemu/sysemu.h"
81 #include "exec/gdbstub.h"
82 #include "qemu/timer.h"
83 #include "sysemu/char.h"
84 #include "qemu/bitmap.h"
85 #include "sysemu/blockdev.h"
86 #include "hw/block/block.h"
87 #include "migration/block.h"
88 #include "sysemu/tpm.h"
89 #include "sysemu/dma.h"
90 #include "audio/audio.h"
91 #include "migration/migration.h"
92 #include "sysemu/kvm.h"
93 #include "qapi/qmp/qjson.h"
94 #include "qemu/option.h"
95 #include "qemu/config-file.h"
96 #include "qemu-options.h"
97 #include "qmp-commands.h"
98 #include "qemu/main-loop.h"
99 #ifdef CONFIG_VIRTFS
100 #include "fsdev/qemu-fsdev.h"
101 #endif
102 #include "sysemu/qtest.h"
103
104 #include "disas/disas.h"
105
106
107 #include "slirp/libslirp.h"
108
109 #include "trace.h"
110 #include "trace/control.h"
111 #include "qemu/queue.h"
112 #include "sysemu/cpus.h"
113 #include "sysemu/arch_init.h"
114 #include "qemu/osdep.h"
115
116 #include "ui/qemu-spice.h"
117 #include "qapi/string-input-visitor.h"
118 #include "qapi/opts-visitor.h"
119 #include "qom/object_interfaces.h"
120 #include "qapi-event.h"
121
122 #define DEFAULT_RAM_SIZE 128
123
124 #define MAX_VIRTIO_CONSOLES 1
125 #define MAX_SCLP_CONSOLES 1
126
127 static const char *data_dir[16];
128 static int data_dir_idx;
129 const char *bios_name = NULL;
130 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
131 DisplayType display_type = DT_DEFAULT;
132 static int display_remote;
133 const char* keyboard_layout = NULL;
134 ram_addr_t ram_size;
135 const char *mem_path = NULL;
136 int mem_prealloc = 0; /* force preallocation of physical target memory */
137 int nb_nics;
138 NICInfo nd_table[MAX_NICS];
139 int autostart;
140 static int rtc_utc = 1;
141 static int rtc_date_offset = -1; /* -1 means no change */
142 QEMUClockType rtc_clock;
143 int vga_interface_type = VGA_NONE;
144 static int full_screen = 0;
145 static int no_frame = 0;
146 int no_quit = 0;
147 #ifdef CONFIG_GTK
148 static bool grab_on_hover;
149 #endif
150 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
151 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
152 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
153 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
154 int win2k_install_hack = 0;
155 int singlestep = 0;
156 int smp_cpus = 1;
157 int max_cpus = 0;
158 int smp_cores = 1;
159 int smp_threads = 1;
160 #ifdef CONFIG_VNC
161 const char *vnc_display;
162 #endif
163 int acpi_enabled = 1;
164 int no_hpet = 0;
165 int fd_bootchk = 1;
166 static int no_reboot;
167 int no_shutdown = 0;
168 int cursor_hide = 1;
169 int graphic_rotate = 0;
170 const char *watchdog;
171 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
172 int nb_option_roms;
173 int semihosting_enabled = 0;
174 int old_param = 0;
175 const char *qemu_name;
176 int alt_grab = 0;
177 int ctrl_grab = 0;
178 unsigned int nb_prom_envs = 0;
179 const char *prom_envs[MAX_PROM_ENVS];
180 int boot_menu;
181 static bool boot_strict;
182 uint8_t *boot_splash_filedata;
183 size_t boot_splash_filedata_size;
184 uint8_t qemu_extra_params_fw[2];
185
186 int icount_align_option;
187 typedef struct FWBootEntry FWBootEntry;
188
189 struct FWBootEntry {
190 QTAILQ_ENTRY(FWBootEntry) link;
191 int32_t bootindex;
192 DeviceState *dev;
193 char *suffix;
194 };
195
196 static QTAILQ_HEAD(, FWBootEntry) fw_boot_order =
197 QTAILQ_HEAD_INITIALIZER(fw_boot_order);
198
199 int nb_numa_nodes;
200 int max_numa_nodeid;
201 NodeInfo numa_info[MAX_NODES];
202
203 uint8_t qemu_uuid[16];
204 bool qemu_uuid_set;
205
206 static QEMUBootSetHandler *boot_set_handler;
207 static void *boot_set_opaque;
208
209 static NotifierList exit_notifiers =
210 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
211
212 static NotifierList machine_init_done_notifiers =
213 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
214
215 static bool tcg_allowed = true;
216 bool xen_allowed;
217 uint32_t xen_domid;
218 enum xen_mode xen_mode = XEN_EMULATE;
219 static int tcg_tb_size;
220
221 static int has_defaults = 1;
222 static int default_serial = 1;
223 static int default_parallel = 1;
224 static int default_virtcon = 1;
225 static int default_sclp = 1;
226 static int default_monitor = 1;
227 static int default_floppy = 1;
228 static int default_cdrom = 1;
229 static int default_sdcard = 1;
230 static int default_vga = 1;
231
232 static struct {
233 const char *driver;
234 int *flag;
235 } default_list[] = {
236 { .driver = "isa-serial", .flag = &default_serial },
237 { .driver = "isa-parallel", .flag = &default_parallel },
238 { .driver = "isa-fdc", .flag = &default_floppy },
239 { .driver = "ide-cd", .flag = &default_cdrom },
240 { .driver = "ide-hd", .flag = &default_cdrom },
241 { .driver = "ide-drive", .flag = &default_cdrom },
242 { .driver = "scsi-cd", .flag = &default_cdrom },
243 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
244 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
245 { .driver = "virtio-serial", .flag = &default_virtcon },
246 { .driver = "VGA", .flag = &default_vga },
247 { .driver = "isa-vga", .flag = &default_vga },
248 { .driver = "cirrus-vga", .flag = &default_vga },
249 { .driver = "isa-cirrus-vga", .flag = &default_vga },
250 { .driver = "vmware-svga", .flag = &default_vga },
251 { .driver = "qxl-vga", .flag = &default_vga },
252 };
253
254 static QemuOptsList qemu_rtc_opts = {
255 .name = "rtc",
256 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
257 .desc = {
258 {
259 .name = "base",
260 .type = QEMU_OPT_STRING,
261 },{
262 .name = "clock",
263 .type = QEMU_OPT_STRING,
264 },{
265 .name = "driftfix",
266 .type = QEMU_OPT_STRING,
267 },
268 { /* end of list */ }
269 },
270 };
271
272 static QemuOptsList qemu_sandbox_opts = {
273 .name = "sandbox",
274 .implied_opt_name = "enable",
275 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
276 .desc = {
277 {
278 .name = "enable",
279 .type = QEMU_OPT_BOOL,
280 },
281 { /* end of list */ }
282 },
283 };
284
285 static QemuOptsList qemu_trace_opts = {
286 .name = "trace",
287 .implied_opt_name = "trace",
288 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
289 .desc = {
290 {
291 .name = "events",
292 .type = QEMU_OPT_STRING,
293 },{
294 .name = "file",
295 .type = QEMU_OPT_STRING,
296 },
297 { /* end of list */ }
298 },
299 };
300
301 static QemuOptsList qemu_option_rom_opts = {
302 .name = "option-rom",
303 .implied_opt_name = "romfile",
304 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
305 .desc = {
306 {
307 .name = "bootindex",
308 .type = QEMU_OPT_NUMBER,
309 }, {
310 .name = "romfile",
311 .type = QEMU_OPT_STRING,
312 },
313 { /* end of list */ }
314 },
315 };
316
317 static QemuOptsList qemu_machine_opts = {
318 .name = "machine",
319 .implied_opt_name = "type",
320 .merge_lists = true,
321 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
322 .desc = {
323 {
324 .name = "type",
325 .type = QEMU_OPT_STRING,
326 .help = "emulated machine"
327 }, {
328 .name = "accel",
329 .type = QEMU_OPT_STRING,
330 .help = "accelerator list",
331 }, {
332 .name = "kernel_irqchip",
333 .type = QEMU_OPT_BOOL,
334 .help = "use KVM in-kernel irqchip",
335 }, {
336 .name = "kvm_shadow_mem",
337 .type = QEMU_OPT_SIZE,
338 .help = "KVM shadow MMU size",
339 }, {
340 .name = "kernel",
341 .type = QEMU_OPT_STRING,
342 .help = "Linux kernel image file",
343 }, {
344 .name = "initrd",
345 .type = QEMU_OPT_STRING,
346 .help = "Linux initial ramdisk file",
347 }, {
348 .name = "append",
349 .type = QEMU_OPT_STRING,
350 .help = "Linux kernel command line",
351 }, {
352 .name = "dtb",
353 .type = QEMU_OPT_STRING,
354 .help = "Linux kernel device tree file",
355 }, {
356 .name = "dumpdtb",
357 .type = QEMU_OPT_STRING,
358 .help = "Dump current dtb to a file and quit",
359 }, {
360 .name = "phandle_start",
361 .type = QEMU_OPT_NUMBER,
362 .help = "The first phandle ID we may generate dynamically",
363 }, {
364 .name = "dt_compatible",
365 .type = QEMU_OPT_STRING,
366 .help = "Overrides the \"compatible\" property of the dt root node",
367 }, {
368 .name = "dump-guest-core",
369 .type = QEMU_OPT_BOOL,
370 .help = "Include guest memory in a core dump",
371 }, {
372 .name = "mem-merge",
373 .type = QEMU_OPT_BOOL,
374 .help = "enable/disable memory merge support",
375 },{
376 .name = "usb",
377 .type = QEMU_OPT_BOOL,
378 .help = "Set on/off to enable/disable usb",
379 },{
380 .name = "firmware",
381 .type = QEMU_OPT_STRING,
382 .help = "firmware image",
383 },{
384 .name = "kvm-type",
385 .type = QEMU_OPT_STRING,
386 .help = "Specifies the KVM virtualization mode (HV, PR)",
387 },{
388 .name = PC_MACHINE_MAX_RAM_BELOW_4G,
389 .type = QEMU_OPT_SIZE,
390 .help = "maximum ram below the 4G boundary (32bit boundary)",
391 },
392 { /* End of list */ }
393 },
394 };
395
396 static QemuOptsList qemu_boot_opts = {
397 .name = "boot-opts",
398 .implied_opt_name = "order",
399 .merge_lists = true,
400 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
401 .desc = {
402 {
403 .name = "order",
404 .type = QEMU_OPT_STRING,
405 }, {
406 .name = "once",
407 .type = QEMU_OPT_STRING,
408 }, {
409 .name = "menu",
410 .type = QEMU_OPT_BOOL,
411 }, {
412 .name = "splash",
413 .type = QEMU_OPT_STRING,
414 }, {
415 .name = "splash-time",
416 .type = QEMU_OPT_STRING,
417 }, {
418 .name = "reboot-timeout",
419 .type = QEMU_OPT_STRING,
420 }, {
421 .name = "strict",
422 .type = QEMU_OPT_BOOL,
423 },
424 { /*End of list */ }
425 },
426 };
427
428 static QemuOptsList qemu_add_fd_opts = {
429 .name = "add-fd",
430 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
431 .desc = {
432 {
433 .name = "fd",
434 .type = QEMU_OPT_NUMBER,
435 .help = "file descriptor of which a duplicate is added to fd set",
436 },{
437 .name = "set",
438 .type = QEMU_OPT_NUMBER,
439 .help = "ID of the fd set to add fd to",
440 },{
441 .name = "opaque",
442 .type = QEMU_OPT_STRING,
443 .help = "free-form string used to describe fd",
444 },
445 { /* end of list */ }
446 },
447 };
448
449 static QemuOptsList qemu_object_opts = {
450 .name = "object",
451 .implied_opt_name = "qom-type",
452 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
453 .desc = {
454 { }
455 },
456 };
457
458 static QemuOptsList qemu_tpmdev_opts = {
459 .name = "tpmdev",
460 .implied_opt_name = "type",
461 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
462 .desc = {
463 /* options are defined in the TPM backends */
464 { /* end of list */ }
465 },
466 };
467
468 static QemuOptsList qemu_realtime_opts = {
469 .name = "realtime",
470 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
471 .desc = {
472 {
473 .name = "mlock",
474 .type = QEMU_OPT_BOOL,
475 },
476 { /* end of list */ }
477 },
478 };
479
480 static QemuOptsList qemu_msg_opts = {
481 .name = "msg",
482 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
483 .desc = {
484 {
485 .name = "timestamp",
486 .type = QEMU_OPT_BOOL,
487 },
488 { /* end of list */ }
489 },
490 };
491
492 static QemuOptsList qemu_name_opts = {
493 .name = "name",
494 .implied_opt_name = "guest",
495 .merge_lists = true,
496 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
497 .desc = {
498 {
499 .name = "guest",
500 .type = QEMU_OPT_STRING,
501 .help = "Sets the name of the guest.\n"
502 "This name will be displayed in the SDL window caption.\n"
503 "The name will also be used for the VNC server",
504 }, {
505 .name = "process",
506 .type = QEMU_OPT_STRING,
507 .help = "Sets the name of the QEMU process, as shown in top etc",
508 }, {
509 .name = "debug-threads",
510 .type = QEMU_OPT_BOOL,
511 .help = "When enabled, name the individual threads; defaults off.\n"
512 "NOTE: The thread names are for debugging and not a\n"
513 "stable API.",
514 },
515 { /* End of list */ }
516 },
517 };
518
519 static QemuOptsList qemu_mem_opts = {
520 .name = "memory",
521 .implied_opt_name = "size",
522 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
523 .merge_lists = true,
524 .desc = {
525 {
526 .name = "size",
527 .type = QEMU_OPT_SIZE,
528 },
529 {
530 .name = "slots",
531 .type = QEMU_OPT_NUMBER,
532 },
533 {
534 .name = "maxmem",
535 .type = QEMU_OPT_SIZE,
536 },
537 { /* end of list */ }
538 },
539 };
540
541 static QemuOptsList qemu_icount_opts = {
542 .name = "icount",
543 .implied_opt_name = "shift",
544 .merge_lists = true,
545 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
546 .desc = {
547 {
548 .name = "shift",
549 .type = QEMU_OPT_STRING,
550 }, {
551 .name = "align",
552 .type = QEMU_OPT_BOOL,
553 },
554 { /* end of list */ }
555 },
556 };
557
558 /**
559 * Get machine options
560 *
561 * Returns: machine options (never null).
562 */
563 QemuOpts *qemu_get_machine_opts(void)
564 {
565 return qemu_find_opts_singleton("machine");
566 }
567
568 const char *qemu_get_vm_name(void)
569 {
570 return qemu_name;
571 }
572
573 static void res_free(void)
574 {
575 if (boot_splash_filedata != NULL) {
576 g_free(boot_splash_filedata);
577 boot_splash_filedata = NULL;
578 }
579 }
580
581 static int default_driver_check(QemuOpts *opts, void *opaque)
582 {
583 const char *driver = qemu_opt_get(opts, "driver");
584 int i;
585
586 if (!driver)
587 return 0;
588 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
589 if (strcmp(default_list[i].driver, driver) != 0)
590 continue;
591 *(default_list[i].flag) = 0;
592 }
593 return 0;
594 }
595
596 /***********************************************************/
597 /* QEMU state */
598
599 static RunState current_run_state = RUN_STATE_PRELAUNCH;
600
601 /* We use RUN_STATE_MAX but any invalid value will do */
602 static RunState vmstop_requested = RUN_STATE_MAX;
603 static QemuMutex vmstop_lock;
604
605 typedef struct {
606 RunState from;
607 RunState to;
608 } RunStateTransition;
609
610 static const RunStateTransition runstate_transitions_def[] = {
611 /* from -> to */
612 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
613 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
614
615 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
616 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
617
618 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
619 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
620
621 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
622 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
623
624 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
625 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
626
627 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
628 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
629
630 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
631 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
632 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
633
634 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
635 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
636
637 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
638
639 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
640 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
641 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
642 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
643 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
644 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
645 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
646 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
647 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
648 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
649
650 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
651
652 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
653 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
654
655 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
656 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
657 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
658 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
659
660 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
661 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
662
663 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
664 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
665
666 { RUN_STATE_MAX, RUN_STATE_MAX },
667 };
668
669 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
670
671 bool runstate_check(RunState state)
672 {
673 return current_run_state == state;
674 }
675
676 static void runstate_init(void)
677 {
678 const RunStateTransition *p;
679
680 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
681 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
682 runstate_valid_transitions[p->from][p->to] = true;
683 }
684
685 qemu_mutex_init(&vmstop_lock);
686 }
687
688 /* This function will abort() on invalid state transitions */
689 void runstate_set(RunState new_state)
690 {
691 assert(new_state < RUN_STATE_MAX);
692
693 if (!runstate_valid_transitions[current_run_state][new_state]) {
694 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
695 RunState_lookup[current_run_state],
696 RunState_lookup[new_state]);
697 abort();
698 }
699 trace_runstate_set(new_state);
700 current_run_state = new_state;
701 }
702
703 int runstate_is_running(void)
704 {
705 return runstate_check(RUN_STATE_RUNNING);
706 }
707
708 bool runstate_needs_reset(void)
709 {
710 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
711 runstate_check(RUN_STATE_SHUTDOWN);
712 }
713
714 StatusInfo *qmp_query_status(Error **errp)
715 {
716 StatusInfo *info = g_malloc0(sizeof(*info));
717
718 info->running = runstate_is_running();
719 info->singlestep = singlestep;
720 info->status = current_run_state;
721
722 return info;
723 }
724
725 static bool qemu_vmstop_requested(RunState *r)
726 {
727 qemu_mutex_lock(&vmstop_lock);
728 *r = vmstop_requested;
729 vmstop_requested = RUN_STATE_MAX;
730 qemu_mutex_unlock(&vmstop_lock);
731 return *r < RUN_STATE_MAX;
732 }
733
734 void qemu_system_vmstop_request_prepare(void)
735 {
736 qemu_mutex_lock(&vmstop_lock);
737 }
738
739 void qemu_system_vmstop_request(RunState state)
740 {
741 vmstop_requested = state;
742 qemu_mutex_unlock(&vmstop_lock);
743 qemu_notify_event();
744 }
745
746 void vm_start(void)
747 {
748 RunState requested;
749
750 qemu_vmstop_requested(&requested);
751 if (runstate_is_running() && requested == RUN_STATE_MAX) {
752 return;
753 }
754
755 /* Ensure that a STOP/RESUME pair of events is emitted if a
756 * vmstop request was pending. The BLOCK_IO_ERROR event, for
757 * example, according to documentation is always followed by
758 * the STOP event.
759 */
760 if (runstate_is_running()) {
761 qapi_event_send_stop(&error_abort);
762 } else {
763 cpu_enable_ticks();
764 runstate_set(RUN_STATE_RUNNING);
765 vm_state_notify(1, RUN_STATE_RUNNING);
766 resume_all_vcpus();
767 }
768
769 qapi_event_send_resume(&error_abort);
770 }
771
772
773 /***********************************************************/
774 /* real time host monotonic timer */
775
776 /***********************************************************/
777 /* host time/date access */
778 void qemu_get_timedate(struct tm *tm, int offset)
779 {
780 time_t ti;
781
782 time(&ti);
783 ti += offset;
784 if (rtc_date_offset == -1) {
785 if (rtc_utc)
786 gmtime_r(&ti, tm);
787 else
788 localtime_r(&ti, tm);
789 } else {
790 ti -= rtc_date_offset;
791 gmtime_r(&ti, tm);
792 }
793 }
794
795 int qemu_timedate_diff(struct tm *tm)
796 {
797 time_t seconds;
798
799 if (rtc_date_offset == -1)
800 if (rtc_utc)
801 seconds = mktimegm(tm);
802 else {
803 struct tm tmp = *tm;
804 tmp.tm_isdst = -1; /* use timezone to figure it out */
805 seconds = mktime(&tmp);
806 }
807 else
808 seconds = mktimegm(tm) + rtc_date_offset;
809
810 return seconds - time(NULL);
811 }
812
813 static void configure_rtc_date_offset(const char *startdate, int legacy)
814 {
815 time_t rtc_start_date;
816 struct tm tm;
817
818 if (!strcmp(startdate, "now") && legacy) {
819 rtc_date_offset = -1;
820 } else {
821 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
822 &tm.tm_year,
823 &tm.tm_mon,
824 &tm.tm_mday,
825 &tm.tm_hour,
826 &tm.tm_min,
827 &tm.tm_sec) == 6) {
828 /* OK */
829 } else if (sscanf(startdate, "%d-%d-%d",
830 &tm.tm_year,
831 &tm.tm_mon,
832 &tm.tm_mday) == 3) {
833 tm.tm_hour = 0;
834 tm.tm_min = 0;
835 tm.tm_sec = 0;
836 } else {
837 goto date_fail;
838 }
839 tm.tm_year -= 1900;
840 tm.tm_mon--;
841 rtc_start_date = mktimegm(&tm);
842 if (rtc_start_date == -1) {
843 date_fail:
844 fprintf(stderr, "Invalid date format. Valid formats are:\n"
845 "'2006-06-17T16:01:21' or '2006-06-17'\n");
846 exit(1);
847 }
848 rtc_date_offset = time(NULL) - rtc_start_date;
849 }
850 }
851
852 static void configure_rtc(QemuOpts *opts)
853 {
854 const char *value;
855
856 value = qemu_opt_get(opts, "base");
857 if (value) {
858 if (!strcmp(value, "utc")) {
859 rtc_utc = 1;
860 } else if (!strcmp(value, "localtime")) {
861 rtc_utc = 0;
862 } else {
863 configure_rtc_date_offset(value, 0);
864 }
865 }
866 value = qemu_opt_get(opts, "clock");
867 if (value) {
868 if (!strcmp(value, "host")) {
869 rtc_clock = QEMU_CLOCK_HOST;
870 } else if (!strcmp(value, "rt")) {
871 rtc_clock = QEMU_CLOCK_REALTIME;
872 } else if (!strcmp(value, "vm")) {
873 rtc_clock = QEMU_CLOCK_VIRTUAL;
874 } else {
875 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
876 exit(1);
877 }
878 }
879 value = qemu_opt_get(opts, "driftfix");
880 if (value) {
881 if (!strcmp(value, "slew")) {
882 static GlobalProperty slew_lost_ticks[] = {
883 {
884 .driver = "mc146818rtc",
885 .property = "lost_tick_policy",
886 .value = "slew",
887 },
888 { /* end of list */ }
889 };
890
891 qdev_prop_register_global_list(slew_lost_ticks);
892 } else if (!strcmp(value, "none")) {
893 /* discard is default */
894 } else {
895 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
896 exit(1);
897 }
898 }
899 }
900
901 /***********************************************************/
902 /* Bluetooth support */
903 static int nb_hcis;
904 static int cur_hci;
905 static struct HCIInfo *hci_table[MAX_NICS];
906
907 struct HCIInfo *qemu_next_hci(void)
908 {
909 if (cur_hci == nb_hcis)
910 return &null_hci;
911
912 return hci_table[cur_hci++];
913 }
914
915 static int bt_hci_parse(const char *str)
916 {
917 struct HCIInfo *hci;
918 bdaddr_t bdaddr;
919
920 if (nb_hcis >= MAX_NICS) {
921 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
922 return -1;
923 }
924
925 hci = hci_init(str);
926 if (!hci)
927 return -1;
928
929 bdaddr.b[0] = 0x52;
930 bdaddr.b[1] = 0x54;
931 bdaddr.b[2] = 0x00;
932 bdaddr.b[3] = 0x12;
933 bdaddr.b[4] = 0x34;
934 bdaddr.b[5] = 0x56 + nb_hcis;
935 hci->bdaddr_set(hci, bdaddr.b);
936
937 hci_table[nb_hcis++] = hci;
938
939 return 0;
940 }
941
942 static void bt_vhci_add(int vlan_id)
943 {
944 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
945
946 if (!vlan->slave)
947 fprintf(stderr, "qemu: warning: adding a VHCI to "
948 "an empty scatternet %i\n", vlan_id);
949
950 bt_vhci_init(bt_new_hci(vlan));
951 }
952
953 static struct bt_device_s *bt_device_add(const char *opt)
954 {
955 struct bt_scatternet_s *vlan;
956 int vlan_id = 0;
957 char *endp = strstr(opt, ",vlan=");
958 int len = (endp ? endp - opt : strlen(opt)) + 1;
959 char devname[10];
960
961 pstrcpy(devname, MIN(sizeof(devname), len), opt);
962
963 if (endp) {
964 vlan_id = strtol(endp + 6, &endp, 0);
965 if (*endp) {
966 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
967 return 0;
968 }
969 }
970
971 vlan = qemu_find_bt_vlan(vlan_id);
972
973 if (!vlan->slave)
974 fprintf(stderr, "qemu: warning: adding a slave device to "
975 "an empty scatternet %i\n", vlan_id);
976
977 if (!strcmp(devname, "keyboard"))
978 return bt_keyboard_init(vlan);
979
980 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
981 return 0;
982 }
983
984 static int bt_parse(const char *opt)
985 {
986 const char *endp, *p;
987 int vlan;
988
989 if (strstart(opt, "hci", &endp)) {
990 if (!*endp || *endp == ',') {
991 if (*endp)
992 if (!strstart(endp, ",vlan=", 0))
993 opt = endp + 1;
994
995 return bt_hci_parse(opt);
996 }
997 } else if (strstart(opt, "vhci", &endp)) {
998 if (!*endp || *endp == ',') {
999 if (*endp) {
1000 if (strstart(endp, ",vlan=", &p)) {
1001 vlan = strtol(p, (char **) &endp, 0);
1002 if (*endp) {
1003 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
1004 return 1;
1005 }
1006 } else {
1007 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
1008 return 1;
1009 }
1010 } else
1011 vlan = 0;
1012
1013 bt_vhci_add(vlan);
1014 return 0;
1015 }
1016 } else if (strstart(opt, "device:", &endp))
1017 return !bt_device_add(endp);
1018
1019 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
1020 return 1;
1021 }
1022
1023 static int parse_sandbox(QemuOpts *opts, void *opaque)
1024 {
1025 /* FIXME: change this to true for 1.3 */
1026 if (qemu_opt_get_bool(opts, "enable", false)) {
1027 #ifdef CONFIG_SECCOMP
1028 if (seccomp_start() < 0) {
1029 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1030 "failed to install seccomp syscall filter in the kernel");
1031 return -1;
1032 }
1033 #else
1034 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1035 "sandboxing request but seccomp is not compiled into this build");
1036 return -1;
1037 #endif
1038 }
1039
1040 return 0;
1041 }
1042
1043 static int parse_name(QemuOpts *opts, void *opaque)
1044 {
1045 const char *proc_name;
1046
1047 if (qemu_opt_get(opts, "debug-threads")) {
1048 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1049 }
1050 qemu_name = qemu_opt_get(opts, "guest");
1051
1052 proc_name = qemu_opt_get(opts, "process");
1053 if (proc_name) {
1054 os_set_proc_name(proc_name);
1055 }
1056
1057 return 0;
1058 }
1059
1060 bool usb_enabled(bool default_usb)
1061 {
1062 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb",
1063 has_defaults && default_usb);
1064 }
1065
1066 #ifndef _WIN32
1067 static int parse_add_fd(QemuOpts *opts, void *opaque)
1068 {
1069 int fd, dupfd, flags;
1070 int64_t fdset_id;
1071 const char *fd_opaque = NULL;
1072
1073 fd = qemu_opt_get_number(opts, "fd", -1);
1074 fdset_id = qemu_opt_get_number(opts, "set", -1);
1075 fd_opaque = qemu_opt_get(opts, "opaque");
1076
1077 if (fd < 0) {
1078 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1079 "fd option is required and must be non-negative");
1080 return -1;
1081 }
1082
1083 if (fd <= STDERR_FILENO) {
1084 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1085 "fd cannot be a standard I/O stream");
1086 return -1;
1087 }
1088
1089 /*
1090 * All fds inherited across exec() necessarily have FD_CLOEXEC
1091 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1092 */
1093 flags = fcntl(fd, F_GETFD);
1094 if (flags == -1 || (flags & FD_CLOEXEC)) {
1095 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1096 "fd is not valid or already in use");
1097 return -1;
1098 }
1099
1100 if (fdset_id < 0) {
1101 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1102 "set option is required and must be non-negative");
1103 return -1;
1104 }
1105
1106 #ifdef F_DUPFD_CLOEXEC
1107 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1108 #else
1109 dupfd = dup(fd);
1110 if (dupfd != -1) {
1111 qemu_set_cloexec(dupfd);
1112 }
1113 #endif
1114 if (dupfd == -1) {
1115 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1116 "Error duplicating fd: %s", strerror(errno));
1117 return -1;
1118 }
1119
1120 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1121 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1122 fd_opaque, NULL);
1123
1124 return 0;
1125 }
1126
1127 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1128 {
1129 int fd;
1130
1131 fd = qemu_opt_get_number(opts, "fd", -1);
1132 close(fd);
1133
1134 return 0;
1135 }
1136 #endif
1137
1138 /***********************************************************/
1139 /* QEMU Block devices */
1140
1141 #define HD_OPTS "media=disk"
1142 #define CDROM_OPTS "media=cdrom"
1143 #define FD_OPTS ""
1144 #define PFLASH_OPTS ""
1145 #define MTD_OPTS ""
1146 #define SD_OPTS ""
1147
1148 static int drive_init_func(QemuOpts *opts, void *opaque)
1149 {
1150 BlockInterfaceType *block_default_type = opaque;
1151
1152 return drive_new(opts, *block_default_type) == NULL;
1153 }
1154
1155 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1156 {
1157 if (NULL == qemu_opt_get(opts, "snapshot")) {
1158 qemu_opt_set(opts, "snapshot", "on");
1159 }
1160 return 0;
1161 }
1162
1163 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1164 int index, const char *optstr)
1165 {
1166 QemuOpts *opts;
1167
1168 if (!enable || drive_get_by_index(type, index)) {
1169 return;
1170 }
1171
1172 opts = drive_add(type, index, NULL, optstr);
1173 if (snapshot) {
1174 drive_enable_snapshot(opts, NULL);
1175 }
1176 if (!drive_new(opts, type)) {
1177 exit(1);
1178 }
1179 }
1180
1181 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1182 {
1183 boot_set_handler = func;
1184 boot_set_opaque = opaque;
1185 }
1186
1187 int qemu_boot_set(const char *boot_order)
1188 {
1189 if (!boot_set_handler) {
1190 return -EINVAL;
1191 }
1192 return boot_set_handler(boot_set_opaque, boot_order);
1193 }
1194
1195 static void validate_bootdevices(const char *devices)
1196 {
1197 /* We just do some generic consistency checks */
1198 const char *p;
1199 int bitmap = 0;
1200
1201 for (p = devices; *p != '\0'; p++) {
1202 /* Allowed boot devices are:
1203 * a-b: floppy disk drives
1204 * c-f: IDE disk drives
1205 * g-m: machine implementation dependent drives
1206 * n-p: network devices
1207 * It's up to each machine implementation to check if the given boot
1208 * devices match the actual hardware implementation and firmware
1209 * features.
1210 */
1211 if (*p < 'a' || *p > 'p') {
1212 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1213 exit(1);
1214 }
1215 if (bitmap & (1 << (*p - 'a'))) {
1216 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1217 exit(1);
1218 }
1219 bitmap |= 1 << (*p - 'a');
1220 }
1221 }
1222
1223 static void restore_boot_order(void *opaque)
1224 {
1225 char *normal_boot_order = opaque;
1226 static int first = 1;
1227
1228 /* Restore boot order and remove ourselves after the first boot */
1229 if (first) {
1230 first = 0;
1231 return;
1232 }
1233
1234 qemu_boot_set(normal_boot_order);
1235
1236 qemu_unregister_reset(restore_boot_order, normal_boot_order);
1237 g_free(normal_boot_order);
1238 }
1239
1240 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
1241 const char *suffix)
1242 {
1243 FWBootEntry *node, *i;
1244
1245 if (bootindex < 0) {
1246 return;
1247 }
1248
1249 assert(dev != NULL || suffix != NULL);
1250
1251 node = g_malloc0(sizeof(FWBootEntry));
1252 node->bootindex = bootindex;
1253 node->suffix = g_strdup(suffix);
1254 node->dev = dev;
1255
1256 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1257 if (i->bootindex == bootindex) {
1258 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1259 exit(1);
1260 } else if (i->bootindex < bootindex) {
1261 continue;
1262 }
1263 QTAILQ_INSERT_BEFORE(i, node, link);
1264 return;
1265 }
1266 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1267 }
1268
1269 DeviceState *get_boot_device(uint32_t position)
1270 {
1271 uint32_t counter = 0;
1272 FWBootEntry *i = NULL;
1273 DeviceState *res = NULL;
1274
1275 if (!QTAILQ_EMPTY(&fw_boot_order)) {
1276 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1277 if (counter == position) {
1278 res = i->dev;
1279 break;
1280 }
1281 counter++;
1282 }
1283 }
1284 return res;
1285 }
1286
1287 /*
1288 * This function returns null terminated string that consist of new line
1289 * separated device paths.
1290 *
1291 * memory pointed by "size" is assigned total length of the array in bytes
1292 *
1293 */
1294 char *get_boot_devices_list(size_t *size, bool ignore_suffixes)
1295 {
1296 FWBootEntry *i;
1297 size_t total = 0;
1298 char *list = NULL;
1299
1300 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1301 char *devpath = NULL, *bootpath;
1302 size_t len;
1303
1304 if (i->dev) {
1305 devpath = qdev_get_fw_dev_path(i->dev);
1306 assert(devpath);
1307 }
1308
1309 if (i->suffix && !ignore_suffixes && devpath) {
1310 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1311
1312 bootpath = g_malloc(bootpathlen);
1313 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1314 g_free(devpath);
1315 } else if (devpath) {
1316 bootpath = devpath;
1317 } else if (!ignore_suffixes) {
1318 assert(i->suffix);
1319 bootpath = g_strdup(i->suffix);
1320 } else {
1321 bootpath = g_strdup("");
1322 }
1323
1324 if (total) {
1325 list[total-1] = '\n';
1326 }
1327 len = strlen(bootpath) + 1;
1328 list = g_realloc(list, total + len);
1329 memcpy(&list[total], bootpath, len);
1330 total += len;
1331 g_free(bootpath);
1332 }
1333
1334 *size = total;
1335
1336 if (boot_strict && *size > 0) {
1337 list[total-1] = '\n';
1338 list = g_realloc(list, total + 5);
1339 memcpy(&list[total], "HALT", 5);
1340 *size = total + 5;
1341 }
1342 return list;
1343 }
1344
1345 static QemuOptsList qemu_smp_opts = {
1346 .name = "smp-opts",
1347 .implied_opt_name = "cpus",
1348 .merge_lists = true,
1349 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1350 .desc = {
1351 {
1352 .name = "cpus",
1353 .type = QEMU_OPT_NUMBER,
1354 }, {
1355 .name = "sockets",
1356 .type = QEMU_OPT_NUMBER,
1357 }, {
1358 .name = "cores",
1359 .type = QEMU_OPT_NUMBER,
1360 }, {
1361 .name = "threads",
1362 .type = QEMU_OPT_NUMBER,
1363 }, {
1364 .name = "maxcpus",
1365 .type = QEMU_OPT_NUMBER,
1366 },
1367 { /*End of list */ }
1368 },
1369 };
1370
1371 static void smp_parse(QemuOpts *opts)
1372 {
1373 if (opts) {
1374
1375 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1376 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1377 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1378 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1379
1380 /* compute missing values, prefer sockets over cores over threads */
1381 if (cpus == 0 || sockets == 0) {
1382 sockets = sockets > 0 ? sockets : 1;
1383 cores = cores > 0 ? cores : 1;
1384 threads = threads > 0 ? threads : 1;
1385 if (cpus == 0) {
1386 cpus = cores * threads * sockets;
1387 }
1388 } else {
1389 if (cores == 0) {
1390 threads = threads > 0 ? threads : 1;
1391 cores = cpus / (sockets * threads);
1392 } else {
1393 threads = cpus / (cores * sockets);
1394 }
1395 }
1396
1397 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1398
1399 smp_cpus = cpus;
1400 smp_cores = cores > 0 ? cores : 1;
1401 smp_threads = threads > 0 ? threads : 1;
1402
1403 }
1404
1405 if (max_cpus == 0) {
1406 max_cpus = smp_cpus;
1407 }
1408
1409 if (max_cpus > MAX_CPUMASK_BITS) {
1410 fprintf(stderr, "Unsupported number of maxcpus\n");
1411 exit(1);
1412 }
1413 if (max_cpus < smp_cpus) {
1414 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1415 exit(1);
1416 }
1417
1418 }
1419
1420 static void configure_realtime(QemuOpts *opts)
1421 {
1422 bool enable_mlock;
1423
1424 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
1425
1426 if (enable_mlock) {
1427 if (os_mlock() < 0) {
1428 fprintf(stderr, "qemu: locking memory failed\n");
1429 exit(1);
1430 }
1431 }
1432 }
1433
1434
1435 static void configure_msg(QemuOpts *opts)
1436 {
1437 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1438 }
1439
1440 /***********************************************************/
1441 /* USB devices */
1442
1443 static int usb_device_add(const char *devname)
1444 {
1445 USBDevice *dev = NULL;
1446 #ifndef CONFIG_LINUX
1447 const char *p;
1448 #endif
1449
1450 if (!usb_enabled(false)) {
1451 return -1;
1452 }
1453
1454 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1455 dev = usbdevice_create(devname);
1456 if (dev)
1457 goto done;
1458
1459 /* the other ones */
1460 #ifndef CONFIG_LINUX
1461 /* only the linux version is qdev-ified, usb-bsd still needs this */
1462 if (strstart(devname, "host:", &p)) {
1463 dev = usb_host_device_open(usb_bus_find(-1), p);
1464 }
1465 #endif
1466 if (!dev)
1467 return -1;
1468
1469 done:
1470 return 0;
1471 }
1472
1473 static int usb_device_del(const char *devname)
1474 {
1475 int bus_num, addr;
1476 const char *p;
1477
1478 if (strstart(devname, "host:", &p)) {
1479 return -1;
1480 }
1481
1482 if (!usb_enabled(false)) {
1483 return -1;
1484 }
1485
1486 p = strchr(devname, '.');
1487 if (!p)
1488 return -1;
1489 bus_num = strtoul(devname, NULL, 0);
1490 addr = strtoul(p + 1, NULL, 0);
1491
1492 return usb_device_delete_addr(bus_num, addr);
1493 }
1494
1495 static int usb_parse(const char *cmdline)
1496 {
1497 int r;
1498 r = usb_device_add(cmdline);
1499 if (r < 0) {
1500 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1501 }
1502 return r;
1503 }
1504
1505 void do_usb_add(Monitor *mon, const QDict *qdict)
1506 {
1507 const char *devname = qdict_get_str(qdict, "devname");
1508 if (usb_device_add(devname) < 0) {
1509 error_report("could not add USB device '%s'", devname);
1510 }
1511 }
1512
1513 void do_usb_del(Monitor *mon, const QDict *qdict)
1514 {
1515 const char *devname = qdict_get_str(qdict, "devname");
1516 if (usb_device_del(devname) < 0) {
1517 error_report("could not delete USB device '%s'", devname);
1518 }
1519 }
1520
1521 /***********************************************************/
1522 /* PCMCIA/Cardbus */
1523
1524 static struct pcmcia_socket_entry_s {
1525 PCMCIASocket *socket;
1526 struct pcmcia_socket_entry_s *next;
1527 } *pcmcia_sockets = 0;
1528
1529 void pcmcia_socket_register(PCMCIASocket *socket)
1530 {
1531 struct pcmcia_socket_entry_s *entry;
1532
1533 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1534 entry->socket = socket;
1535 entry->next = pcmcia_sockets;
1536 pcmcia_sockets = entry;
1537 }
1538
1539 void pcmcia_socket_unregister(PCMCIASocket *socket)
1540 {
1541 struct pcmcia_socket_entry_s *entry, **ptr;
1542
1543 ptr = &pcmcia_sockets;
1544 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1545 if (entry->socket == socket) {
1546 *ptr = entry->next;
1547 g_free(entry);
1548 }
1549 }
1550
1551 void pcmcia_info(Monitor *mon, const QDict *qdict)
1552 {
1553 struct pcmcia_socket_entry_s *iter;
1554
1555 if (!pcmcia_sockets)
1556 monitor_printf(mon, "No PCMCIA sockets\n");
1557
1558 for (iter = pcmcia_sockets; iter; iter = iter->next)
1559 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1560 iter->socket->attached ? iter->socket->card_string :
1561 "Empty");
1562 }
1563
1564 /***********************************************************/
1565 /* machine registration */
1566
1567 MachineState *current_machine;
1568
1569 static void machine_class_init(ObjectClass *oc, void *data)
1570 {
1571 MachineClass *mc = MACHINE_CLASS(oc);
1572 QEMUMachine *qm = data;
1573
1574 mc->name = qm->name;
1575 mc->alias = qm->alias;
1576 mc->desc = qm->desc;
1577 mc->init = qm->init;
1578 mc->reset = qm->reset;
1579 mc->hot_add_cpu = qm->hot_add_cpu;
1580 mc->kvm_type = qm->kvm_type;
1581 mc->block_default_type = qm->block_default_type;
1582 mc->max_cpus = qm->max_cpus;
1583 mc->no_serial = qm->no_serial;
1584 mc->no_parallel = qm->no_parallel;
1585 mc->use_virtcon = qm->use_virtcon;
1586 mc->use_sclp = qm->use_sclp;
1587 mc->no_floppy = qm->no_floppy;
1588 mc->no_cdrom = qm->no_cdrom;
1589 mc->no_sdcard = qm->no_sdcard;
1590 mc->is_default = qm->is_default;
1591 mc->default_machine_opts = qm->default_machine_opts;
1592 mc->default_boot_order = qm->default_boot_order;
1593 mc->compat_props = qm->compat_props;
1594 mc->hw_version = qm->hw_version;
1595 }
1596
1597 int qemu_register_machine(QEMUMachine *m)
1598 {
1599 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1600 TypeInfo ti = {
1601 .name = name,
1602 .parent = TYPE_MACHINE,
1603 .class_init = machine_class_init,
1604 .class_data = (void *)m,
1605 };
1606
1607 type_register(&ti);
1608 g_free(name);
1609
1610 return 0;
1611 }
1612
1613 static MachineClass *find_machine(const char *name)
1614 {
1615 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1616 MachineClass *mc = NULL;
1617
1618 for (el = machines; el; el = el->next) {
1619 MachineClass *temp = el->data;
1620
1621 if (!strcmp(temp->name, name)) {
1622 mc = temp;
1623 break;
1624 }
1625 if (temp->alias &&
1626 !strcmp(temp->alias, name)) {
1627 mc = temp;
1628 break;
1629 }
1630 }
1631
1632 g_slist_free(machines);
1633 return mc;
1634 }
1635
1636 MachineClass *find_default_machine(void)
1637 {
1638 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1639 MachineClass *mc = NULL;
1640
1641 for (el = machines; el; el = el->next) {
1642 MachineClass *temp = el->data;
1643
1644 if (temp->is_default) {
1645 mc = temp;
1646 break;
1647 }
1648 }
1649
1650 g_slist_free(machines);
1651 return mc;
1652 }
1653
1654 MachineInfoList *qmp_query_machines(Error **errp)
1655 {
1656 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1657 MachineInfoList *mach_list = NULL;
1658
1659 for (el = machines; el; el = el->next) {
1660 MachineClass *mc = el->data;
1661 MachineInfoList *entry;
1662 MachineInfo *info;
1663
1664 info = g_malloc0(sizeof(*info));
1665 if (mc->is_default) {
1666 info->has_is_default = true;
1667 info->is_default = true;
1668 }
1669
1670 if (mc->alias) {
1671 info->has_alias = true;
1672 info->alias = g_strdup(mc->alias);
1673 }
1674
1675 info->name = g_strdup(mc->name);
1676 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1677
1678 entry = g_malloc0(sizeof(*entry));
1679 entry->value = info;
1680 entry->next = mach_list;
1681 mach_list = entry;
1682 }
1683
1684 g_slist_free(machines);
1685 return mach_list;
1686 }
1687
1688 /***********************************************************/
1689 /* main execution loop */
1690
1691 struct vm_change_state_entry {
1692 VMChangeStateHandler *cb;
1693 void *opaque;
1694 QLIST_ENTRY (vm_change_state_entry) entries;
1695 };
1696
1697 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1698
1699 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1700 void *opaque)
1701 {
1702 VMChangeStateEntry *e;
1703
1704 e = g_malloc0(sizeof (*e));
1705
1706 e->cb = cb;
1707 e->opaque = opaque;
1708 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1709 return e;
1710 }
1711
1712 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1713 {
1714 QLIST_REMOVE (e, entries);
1715 g_free (e);
1716 }
1717
1718 void vm_state_notify(int running, RunState state)
1719 {
1720 VMChangeStateEntry *e;
1721
1722 trace_vm_state_notify(running, state);
1723
1724 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1725 e->cb(e->opaque, running, state);
1726 }
1727 }
1728
1729 /* reset/shutdown handler */
1730
1731 typedef struct QEMUResetEntry {
1732 QTAILQ_ENTRY(QEMUResetEntry) entry;
1733 QEMUResetHandler *func;
1734 void *opaque;
1735 } QEMUResetEntry;
1736
1737 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1738 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1739 static int reset_requested;
1740 static int shutdown_requested, shutdown_signal = -1;
1741 static pid_t shutdown_pid;
1742 static int powerdown_requested;
1743 static int debug_requested;
1744 static int suspend_requested;
1745 static WakeupReason wakeup_reason;
1746 static NotifierList powerdown_notifiers =
1747 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1748 static NotifierList suspend_notifiers =
1749 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1750 static NotifierList wakeup_notifiers =
1751 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1752 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1753
1754 int qemu_shutdown_requested_get(void)
1755 {
1756 return shutdown_requested;
1757 }
1758
1759 int qemu_reset_requested_get(void)
1760 {
1761 return reset_requested;
1762 }
1763
1764 static int qemu_shutdown_requested(void)
1765 {
1766 int r = shutdown_requested;
1767 shutdown_requested = 0;
1768 return r;
1769 }
1770
1771 static void qemu_kill_report(void)
1772 {
1773 if (!qtest_driver() && shutdown_signal != -1) {
1774 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1775 if (shutdown_pid == 0) {
1776 /* This happens for eg ^C at the terminal, so it's worth
1777 * avoiding printing an odd message in that case.
1778 */
1779 fputc('\n', stderr);
1780 } else {
1781 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1782 }
1783 shutdown_signal = -1;
1784 }
1785 }
1786
1787 static int qemu_reset_requested(void)
1788 {
1789 int r = reset_requested;
1790 reset_requested = 0;
1791 return r;
1792 }
1793
1794 static int qemu_suspend_requested(void)
1795 {
1796 int r = suspend_requested;
1797 suspend_requested = 0;
1798 return r;
1799 }
1800
1801 static WakeupReason qemu_wakeup_requested(void)
1802 {
1803 return wakeup_reason;
1804 }
1805
1806 static int qemu_powerdown_requested(void)
1807 {
1808 int r = powerdown_requested;
1809 powerdown_requested = 0;
1810 return r;
1811 }
1812
1813 static int qemu_debug_requested(void)
1814 {
1815 int r = debug_requested;
1816 debug_requested = 0;
1817 return r;
1818 }
1819
1820 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1821 {
1822 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1823
1824 re->func = func;
1825 re->opaque = opaque;
1826 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1827 }
1828
1829 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1830 {
1831 QEMUResetEntry *re;
1832
1833 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1834 if (re->func == func && re->opaque == opaque) {
1835 QTAILQ_REMOVE(&reset_handlers, re, entry);
1836 g_free(re);
1837 return;
1838 }
1839 }
1840 }
1841
1842 void qemu_devices_reset(void)
1843 {
1844 QEMUResetEntry *re, *nre;
1845
1846 /* reset all devices */
1847 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1848 re->func(re->opaque);
1849 }
1850 }
1851
1852 void qemu_system_reset(bool report)
1853 {
1854 MachineClass *mc;
1855
1856 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1857
1858 if (mc && mc->reset) {
1859 mc->reset();
1860 } else {
1861 qemu_devices_reset();
1862 }
1863 if (report) {
1864 qapi_event_send_reset(&error_abort);
1865 }
1866 cpu_synchronize_all_post_reset();
1867 }
1868
1869 void qemu_system_reset_request(void)
1870 {
1871 if (no_reboot) {
1872 shutdown_requested = 1;
1873 } else {
1874 reset_requested = 1;
1875 }
1876 cpu_stop_current();
1877 qemu_notify_event();
1878 }
1879
1880 static void qemu_system_suspend(void)
1881 {
1882 pause_all_vcpus();
1883 notifier_list_notify(&suspend_notifiers, NULL);
1884 runstate_set(RUN_STATE_SUSPENDED);
1885 qapi_event_send_suspend(&error_abort);
1886 }
1887
1888 void qemu_system_suspend_request(void)
1889 {
1890 if (runstate_check(RUN_STATE_SUSPENDED)) {
1891 return;
1892 }
1893 suspend_requested = 1;
1894 cpu_stop_current();
1895 qemu_notify_event();
1896 }
1897
1898 void qemu_register_suspend_notifier(Notifier *notifier)
1899 {
1900 notifier_list_add(&suspend_notifiers, notifier);
1901 }
1902
1903 void qemu_system_wakeup_request(WakeupReason reason)
1904 {
1905 trace_system_wakeup_request(reason);
1906
1907 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1908 return;
1909 }
1910 if (!(wakeup_reason_mask & (1 << reason))) {
1911 return;
1912 }
1913 runstate_set(RUN_STATE_RUNNING);
1914 wakeup_reason = reason;
1915 qemu_notify_event();
1916 }
1917
1918 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1919 {
1920 if (enabled) {
1921 wakeup_reason_mask |= (1 << reason);
1922 } else {
1923 wakeup_reason_mask &= ~(1 << reason);
1924 }
1925 }
1926
1927 void qemu_register_wakeup_notifier(Notifier *notifier)
1928 {
1929 notifier_list_add(&wakeup_notifiers, notifier);
1930 }
1931
1932 void qemu_system_killed(int signal, pid_t pid)
1933 {
1934 shutdown_signal = signal;
1935 shutdown_pid = pid;
1936 no_shutdown = 0;
1937 qemu_system_shutdown_request();
1938 }
1939
1940 void qemu_system_shutdown_request(void)
1941 {
1942 trace_qemu_system_shutdown_request();
1943 shutdown_requested = 1;
1944 qemu_notify_event();
1945 }
1946
1947 static void qemu_system_powerdown(void)
1948 {
1949 qapi_event_send_powerdown(&error_abort);
1950 notifier_list_notify(&powerdown_notifiers, NULL);
1951 }
1952
1953 void qemu_system_powerdown_request(void)
1954 {
1955 trace_qemu_system_powerdown_request();
1956 powerdown_requested = 1;
1957 qemu_notify_event();
1958 }
1959
1960 void qemu_register_powerdown_notifier(Notifier *notifier)
1961 {
1962 notifier_list_add(&powerdown_notifiers, notifier);
1963 }
1964
1965 void qemu_system_debug_request(void)
1966 {
1967 debug_requested = 1;
1968 qemu_notify_event();
1969 }
1970
1971 static bool main_loop_should_exit(void)
1972 {
1973 RunState r;
1974 if (qemu_debug_requested()) {
1975 vm_stop(RUN_STATE_DEBUG);
1976 }
1977 if (qemu_suspend_requested()) {
1978 qemu_system_suspend();
1979 }
1980 if (qemu_shutdown_requested()) {
1981 qemu_kill_report();
1982 qapi_event_send_shutdown(&error_abort);
1983 if (no_shutdown) {
1984 vm_stop(RUN_STATE_SHUTDOWN);
1985 } else {
1986 return true;
1987 }
1988 }
1989 if (qemu_reset_requested()) {
1990 pause_all_vcpus();
1991 cpu_synchronize_all_states();
1992 qemu_system_reset(VMRESET_REPORT);
1993 resume_all_vcpus();
1994 if (runstate_needs_reset()) {
1995 runstate_set(RUN_STATE_PAUSED);
1996 }
1997 }
1998 if (qemu_wakeup_requested()) {
1999 pause_all_vcpus();
2000 cpu_synchronize_all_states();
2001 qemu_system_reset(VMRESET_SILENT);
2002 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
2003 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
2004 resume_all_vcpus();
2005 qapi_event_send_wakeup(&error_abort);
2006 }
2007 if (qemu_powerdown_requested()) {
2008 qemu_system_powerdown();
2009 }
2010 if (qemu_vmstop_requested(&r)) {
2011 vm_stop(r);
2012 }
2013 return false;
2014 }
2015
2016 static void main_loop(void)
2017 {
2018 bool nonblocking;
2019 int last_io = 0;
2020 #ifdef CONFIG_PROFILER
2021 int64_t ti;
2022 #endif
2023 do {
2024 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
2025 #ifdef CONFIG_PROFILER
2026 ti = profile_getclock();
2027 #endif
2028 last_io = main_loop_wait(nonblocking);
2029 #ifdef CONFIG_PROFILER
2030 dev_time += profile_getclock() - ti;
2031 #endif
2032 } while (!main_loop_should_exit());
2033 }
2034
2035 static void version(void)
2036 {
2037 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
2038 }
2039
2040 static void help(int exitcode)
2041 {
2042 version();
2043 printf("usage: %s [options] [disk_image]\n\n"
2044 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2045 error_get_progname());
2046
2047 #define QEMU_OPTIONS_GENERATE_HELP
2048 #include "qemu-options-wrapper.h"
2049
2050 printf("\nDuring emulation, the following keys are useful:\n"
2051 "ctrl-alt-f toggle full screen\n"
2052 "ctrl-alt-n switch to virtual console 'n'\n"
2053 "ctrl-alt toggle mouse and keyboard grab\n"
2054 "\n"
2055 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2056
2057 exit(exitcode);
2058 }
2059
2060 #define HAS_ARG 0x0001
2061
2062 typedef struct QEMUOption {
2063 const char *name;
2064 int flags;
2065 int index;
2066 uint32_t arch_mask;
2067 } QEMUOption;
2068
2069 static const QEMUOption qemu_options[] = {
2070 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2071 #define QEMU_OPTIONS_GENERATE_OPTIONS
2072 #include "qemu-options-wrapper.h"
2073 { NULL },
2074 };
2075
2076 static bool vga_available(void)
2077 {
2078 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2079 }
2080
2081 static bool cirrus_vga_available(void)
2082 {
2083 return object_class_by_name("cirrus-vga")
2084 || object_class_by_name("isa-cirrus-vga");
2085 }
2086
2087 static bool vmware_vga_available(void)
2088 {
2089 return object_class_by_name("vmware-svga");
2090 }
2091
2092 static bool qxl_vga_available(void)
2093 {
2094 return object_class_by_name("qxl-vga");
2095 }
2096
2097 static bool tcx_vga_available(void)
2098 {
2099 return object_class_by_name("SUNW,tcx");
2100 }
2101
2102 static bool cg3_vga_available(void)
2103 {
2104 return object_class_by_name("cgthree");
2105 }
2106
2107 static void select_vgahw (const char *p)
2108 {
2109 const char *opts;
2110
2111 assert(vga_interface_type == VGA_NONE);
2112 if (strstart(p, "std", &opts)) {
2113 if (vga_available()) {
2114 vga_interface_type = VGA_STD;
2115 } else {
2116 fprintf(stderr, "Error: standard VGA not available\n");
2117 exit(0);
2118 }
2119 } else if (strstart(p, "cirrus", &opts)) {
2120 if (cirrus_vga_available()) {
2121 vga_interface_type = VGA_CIRRUS;
2122 } else {
2123 fprintf(stderr, "Error: Cirrus VGA not available\n");
2124 exit(0);
2125 }
2126 } else if (strstart(p, "vmware", &opts)) {
2127 if (vmware_vga_available()) {
2128 vga_interface_type = VGA_VMWARE;
2129 } else {
2130 fprintf(stderr, "Error: VMWare SVGA not available\n");
2131 exit(0);
2132 }
2133 } else if (strstart(p, "xenfb", &opts)) {
2134 vga_interface_type = VGA_XENFB;
2135 } else if (strstart(p, "qxl", &opts)) {
2136 if (qxl_vga_available()) {
2137 vga_interface_type = VGA_QXL;
2138 } else {
2139 fprintf(stderr, "Error: QXL VGA not available\n");
2140 exit(0);
2141 }
2142 } else if (strstart(p, "tcx", &opts)) {
2143 if (tcx_vga_available()) {
2144 vga_interface_type = VGA_TCX;
2145 } else {
2146 fprintf(stderr, "Error: TCX framebuffer not available\n");
2147 exit(0);
2148 }
2149 } else if (strstart(p, "cg3", &opts)) {
2150 if (cg3_vga_available()) {
2151 vga_interface_type = VGA_CG3;
2152 } else {
2153 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2154 exit(0);
2155 }
2156 } else if (!strstart(p, "none", &opts)) {
2157 invalid_vga:
2158 fprintf(stderr, "Unknown vga type: %s\n", p);
2159 exit(1);
2160 }
2161 while (*opts) {
2162 const char *nextopt;
2163
2164 if (strstart(opts, ",retrace=", &nextopt)) {
2165 opts = nextopt;
2166 if (strstart(opts, "dumb", &nextopt))
2167 vga_retrace_method = VGA_RETRACE_DUMB;
2168 else if (strstart(opts, "precise", &nextopt))
2169 vga_retrace_method = VGA_RETRACE_PRECISE;
2170 else goto invalid_vga;
2171 } else goto invalid_vga;
2172 opts = nextopt;
2173 }
2174 }
2175
2176 static DisplayType select_display(const char *p)
2177 {
2178 const char *opts;
2179 DisplayType display = DT_DEFAULT;
2180
2181 if (strstart(p, "sdl", &opts)) {
2182 #ifdef CONFIG_SDL
2183 display = DT_SDL;
2184 while (*opts) {
2185 const char *nextopt;
2186
2187 if (strstart(opts, ",frame=", &nextopt)) {
2188 opts = nextopt;
2189 if (strstart(opts, "on", &nextopt)) {
2190 no_frame = 0;
2191 } else if (strstart(opts, "off", &nextopt)) {
2192 no_frame = 1;
2193 } else {
2194 goto invalid_sdl_args;
2195 }
2196 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2197 opts = nextopt;
2198 if (strstart(opts, "on", &nextopt)) {
2199 alt_grab = 1;
2200 } else if (strstart(opts, "off", &nextopt)) {
2201 alt_grab = 0;
2202 } else {
2203 goto invalid_sdl_args;
2204 }
2205 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2206 opts = nextopt;
2207 if (strstart(opts, "on", &nextopt)) {
2208 ctrl_grab = 1;
2209 } else if (strstart(opts, "off", &nextopt)) {
2210 ctrl_grab = 0;
2211 } else {
2212 goto invalid_sdl_args;
2213 }
2214 } else if (strstart(opts, ",window_close=", &nextopt)) {
2215 opts = nextopt;
2216 if (strstart(opts, "on", &nextopt)) {
2217 no_quit = 0;
2218 } else if (strstart(opts, "off", &nextopt)) {
2219 no_quit = 1;
2220 } else {
2221 goto invalid_sdl_args;
2222 }
2223 } else {
2224 invalid_sdl_args:
2225 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2226 exit(1);
2227 }
2228 opts = nextopt;
2229 }
2230 #else
2231 fprintf(stderr, "SDL support is disabled\n");
2232 exit(1);
2233 #endif
2234 } else if (strstart(p, "vnc", &opts)) {
2235 #ifdef CONFIG_VNC
2236 display_remote++;
2237
2238 if (*opts) {
2239 const char *nextopt;
2240
2241 if (strstart(opts, "=", &nextopt)) {
2242 vnc_display = nextopt;
2243 }
2244 }
2245 if (!vnc_display) {
2246 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2247 exit(1);
2248 }
2249 #else
2250 fprintf(stderr, "VNC support is disabled\n");
2251 exit(1);
2252 #endif
2253 } else if (strstart(p, "curses", &opts)) {
2254 #ifdef CONFIG_CURSES
2255 display = DT_CURSES;
2256 #else
2257 fprintf(stderr, "Curses support is disabled\n");
2258 exit(1);
2259 #endif
2260 } else if (strstart(p, "gtk", &opts)) {
2261 #ifdef CONFIG_GTK
2262 display = DT_GTK;
2263 while (*opts) {
2264 const char *nextopt;
2265
2266 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2267 opts = nextopt;
2268 if (strstart(opts, "on", &nextopt)) {
2269 grab_on_hover = true;
2270 } else if (strstart(opts, "off", &nextopt)) {
2271 grab_on_hover = false;
2272 } else {
2273 goto invalid_gtk_args;
2274 }
2275 } else {
2276 invalid_gtk_args:
2277 fprintf(stderr, "Invalid GTK option string: %s\n", p);
2278 exit(1);
2279 }
2280 opts = nextopt;
2281 }
2282 #else
2283 fprintf(stderr, "GTK support is disabled\n");
2284 exit(1);
2285 #endif
2286 } else if (strstart(p, "none", &opts)) {
2287 display = DT_NONE;
2288 } else {
2289 fprintf(stderr, "Unknown display type: %s\n", p);
2290 exit(1);
2291 }
2292
2293 return display;
2294 }
2295
2296 static int balloon_parse(const char *arg)
2297 {
2298 QemuOpts *opts;
2299
2300 if (strcmp(arg, "none") == 0) {
2301 return 0;
2302 }
2303
2304 if (!strncmp(arg, "virtio", 6)) {
2305 if (arg[6] == ',') {
2306 /* have params -> parse them */
2307 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2308 if (!opts)
2309 return -1;
2310 } else {
2311 /* create empty opts */
2312 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2313 &error_abort);
2314 }
2315 qemu_opt_set(opts, "driver", "virtio-balloon");
2316 return 0;
2317 }
2318
2319 return -1;
2320 }
2321
2322 char *qemu_find_file(int type, const char *name)
2323 {
2324 int i;
2325 const char *subdir;
2326 char *buf;
2327
2328 /* Try the name as a straight path first */
2329 if (access(name, R_OK) == 0) {
2330 trace_load_file(name, name);
2331 return g_strdup(name);
2332 }
2333
2334 switch (type) {
2335 case QEMU_FILE_TYPE_BIOS:
2336 subdir = "";
2337 break;
2338 case QEMU_FILE_TYPE_KEYMAP:
2339 subdir = "keymaps/";
2340 break;
2341 default:
2342 abort();
2343 }
2344
2345 for (i = 0; i < data_dir_idx; i++) {
2346 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2347 if (access(buf, R_OK) == 0) {
2348 trace_load_file(name, buf);
2349 return buf;
2350 }
2351 g_free(buf);
2352 }
2353 return NULL;
2354 }
2355
2356 static int device_help_func(QemuOpts *opts, void *opaque)
2357 {
2358 return qdev_device_help(opts);
2359 }
2360
2361 static int device_init_func(QemuOpts *opts, void *opaque)
2362 {
2363 DeviceState *dev;
2364
2365 dev = qdev_device_add(opts);
2366 if (!dev)
2367 return -1;
2368 object_unref(OBJECT(dev));
2369 return 0;
2370 }
2371
2372 static int chardev_init_func(QemuOpts *opts, void *opaque)
2373 {
2374 Error *local_err = NULL;
2375
2376 qemu_chr_new_from_opts(opts, NULL, &local_err);
2377 if (local_err) {
2378 error_report("%s", error_get_pretty(local_err));
2379 error_free(local_err);
2380 return -1;
2381 }
2382 return 0;
2383 }
2384
2385 #ifdef CONFIG_VIRTFS
2386 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2387 {
2388 int ret;
2389 ret = qemu_fsdev_add(opts);
2390
2391 return ret;
2392 }
2393 #endif
2394
2395 static int mon_init_func(QemuOpts *opts, void *opaque)
2396 {
2397 CharDriverState *chr;
2398 const char *chardev;
2399 const char *mode;
2400 int flags;
2401
2402 mode = qemu_opt_get(opts, "mode");
2403 if (mode == NULL) {
2404 mode = "readline";
2405 }
2406 if (strcmp(mode, "readline") == 0) {
2407 flags = MONITOR_USE_READLINE;
2408 } else if (strcmp(mode, "control") == 0) {
2409 flags = MONITOR_USE_CONTROL;
2410 } else {
2411 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2412 exit(1);
2413 }
2414
2415 if (qemu_opt_get_bool(opts, "pretty", 0))
2416 flags |= MONITOR_USE_PRETTY;
2417
2418 if (qemu_opt_get_bool(opts, "default", 0))
2419 flags |= MONITOR_IS_DEFAULT;
2420
2421 chardev = qemu_opt_get(opts, "chardev");
2422 chr = qemu_chr_find(chardev);
2423 if (chr == NULL) {
2424 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2425 exit(1);
2426 }
2427
2428 qemu_chr_fe_claim_no_fail(chr);
2429 monitor_init(chr, flags);
2430 return 0;
2431 }
2432
2433 static void monitor_parse(const char *optarg, const char *mode)
2434 {
2435 static int monitor_device_index = 0;
2436 QemuOpts *opts;
2437 const char *p;
2438 char label[32];
2439 int def = 0;
2440
2441 if (strstart(optarg, "chardev:", &p)) {
2442 snprintf(label, sizeof(label), "%s", p);
2443 } else {
2444 snprintf(label, sizeof(label), "compat_monitor%d",
2445 monitor_device_index);
2446 if (monitor_device_index == 0) {
2447 def = 1;
2448 }
2449 opts = qemu_chr_parse_compat(label, optarg);
2450 if (!opts) {
2451 fprintf(stderr, "parse error: %s\n", optarg);
2452 exit(1);
2453 }
2454 }
2455
2456 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2457 if (!opts) {
2458 fprintf(stderr, "duplicate chardev: %s\n", label);
2459 exit(1);
2460 }
2461 qemu_opt_set(opts, "mode", mode);
2462 qemu_opt_set(opts, "chardev", label);
2463 if (def)
2464 qemu_opt_set(opts, "default", "on");
2465 monitor_device_index++;
2466 }
2467
2468 struct device_config {
2469 enum {
2470 DEV_USB, /* -usbdevice */
2471 DEV_BT, /* -bt */
2472 DEV_SERIAL, /* -serial */
2473 DEV_PARALLEL, /* -parallel */
2474 DEV_VIRTCON, /* -virtioconsole */
2475 DEV_DEBUGCON, /* -debugcon */
2476 DEV_GDB, /* -gdb, -s */
2477 DEV_SCLP, /* s390 sclp */
2478 } type;
2479 const char *cmdline;
2480 Location loc;
2481 QTAILQ_ENTRY(device_config) next;
2482 };
2483
2484 static QTAILQ_HEAD(, device_config) device_configs =
2485 QTAILQ_HEAD_INITIALIZER(device_configs);
2486
2487 static void add_device_config(int type, const char *cmdline)
2488 {
2489 struct device_config *conf;
2490
2491 conf = g_malloc0(sizeof(*conf));
2492 conf->type = type;
2493 conf->cmdline = cmdline;
2494 loc_save(&conf->loc);
2495 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2496 }
2497
2498 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2499 {
2500 struct device_config *conf;
2501 int rc;
2502
2503 QTAILQ_FOREACH(conf, &device_configs, next) {
2504 if (conf->type != type)
2505 continue;
2506 loc_push_restore(&conf->loc);
2507 rc = func(conf->cmdline);
2508 loc_pop(&conf->loc);
2509 if (0 != rc)
2510 return rc;
2511 }
2512 return 0;
2513 }
2514
2515 static int serial_parse(const char *devname)
2516 {
2517 static int index = 0;
2518 char label[32];
2519
2520 if (strcmp(devname, "none") == 0)
2521 return 0;
2522 if (index == MAX_SERIAL_PORTS) {
2523 fprintf(stderr, "qemu: too many serial ports\n");
2524 exit(1);
2525 }
2526 snprintf(label, sizeof(label), "serial%d", index);
2527 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2528 if (!serial_hds[index]) {
2529 fprintf(stderr, "qemu: could not connect serial device"
2530 " to character backend '%s'\n", devname);
2531 return -1;
2532 }
2533 index++;
2534 return 0;
2535 }
2536
2537 static int parallel_parse(const char *devname)
2538 {
2539 static int index = 0;
2540 char label[32];
2541
2542 if (strcmp(devname, "none") == 0)
2543 return 0;
2544 if (index == MAX_PARALLEL_PORTS) {
2545 fprintf(stderr, "qemu: too many parallel ports\n");
2546 exit(1);
2547 }
2548 snprintf(label, sizeof(label), "parallel%d", index);
2549 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2550 if (!parallel_hds[index]) {
2551 fprintf(stderr, "qemu: could not connect parallel device"
2552 " to character backend '%s'\n", devname);
2553 return -1;
2554 }
2555 index++;
2556 return 0;
2557 }
2558
2559 static int virtcon_parse(const char *devname)
2560 {
2561 QemuOptsList *device = qemu_find_opts("device");
2562 static int index = 0;
2563 char label[32];
2564 QemuOpts *bus_opts, *dev_opts;
2565
2566 if (strcmp(devname, "none") == 0)
2567 return 0;
2568 if (index == MAX_VIRTIO_CONSOLES) {
2569 fprintf(stderr, "qemu: too many virtio consoles\n");
2570 exit(1);
2571 }
2572
2573 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2574 if (arch_type == QEMU_ARCH_S390X) {
2575 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2576 } else {
2577 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2578 }
2579
2580 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2581 qemu_opt_set(dev_opts, "driver", "virtconsole");
2582
2583 snprintf(label, sizeof(label), "virtcon%d", index);
2584 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2585 if (!virtcon_hds[index]) {
2586 fprintf(stderr, "qemu: could not connect virtio console"
2587 " to character backend '%s'\n", devname);
2588 return -1;
2589 }
2590 qemu_opt_set(dev_opts, "chardev", label);
2591
2592 index++;
2593 return 0;
2594 }
2595
2596 static int sclp_parse(const char *devname)
2597 {
2598 QemuOptsList *device = qemu_find_opts("device");
2599 static int index = 0;
2600 char label[32];
2601 QemuOpts *dev_opts;
2602
2603 if (strcmp(devname, "none") == 0) {
2604 return 0;
2605 }
2606 if (index == MAX_SCLP_CONSOLES) {
2607 fprintf(stderr, "qemu: too many sclp consoles\n");
2608 exit(1);
2609 }
2610
2611 assert(arch_type == QEMU_ARCH_S390X);
2612
2613 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2614 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2615
2616 snprintf(label, sizeof(label), "sclpcon%d", index);
2617 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2618 if (!sclp_hds[index]) {
2619 fprintf(stderr, "qemu: could not connect sclp console"
2620 " to character backend '%s'\n", devname);
2621 return -1;
2622 }
2623 qemu_opt_set(dev_opts, "chardev", label);
2624
2625 index++;
2626 return 0;
2627 }
2628
2629 static int debugcon_parse(const char *devname)
2630 {
2631 QemuOpts *opts;
2632
2633 if (!qemu_chr_new("debugcon", devname, NULL)) {
2634 exit(1);
2635 }
2636 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2637 if (!opts) {
2638 fprintf(stderr, "qemu: already have a debugcon device\n");
2639 exit(1);
2640 }
2641 qemu_opt_set(opts, "driver", "isa-debugcon");
2642 qemu_opt_set(opts, "chardev", "debugcon");
2643 return 0;
2644 }
2645
2646 static MachineClass *machine_parse(const char *name)
2647 {
2648 MachineClass *mc = NULL;
2649 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2650
2651 if (name) {
2652 mc = find_machine(name);
2653 }
2654 if (mc) {
2655 return mc;
2656 }
2657 if (name && !is_help_option(name)) {
2658 error_report("Unsupported machine type");
2659 error_printf("Use -machine help to list supported machines!\n");
2660 } else {
2661 printf("Supported machines are:\n");
2662 for (el = machines; el; el = el->next) {
2663 MachineClass *mc = el->data;
2664 if (mc->alias) {
2665 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2666 }
2667 printf("%-20s %s%s\n", mc->name, mc->desc,
2668 mc->is_default ? " (default)" : "");
2669 }
2670 }
2671
2672 g_slist_free(machines);
2673 exit(!name || !is_help_option(name));
2674 }
2675
2676 static int tcg_init(MachineClass *mc)
2677 {
2678 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2679 return 0;
2680 }
2681
2682 static struct {
2683 const char *opt_name;
2684 const char *name;
2685 int (*available)(void);
2686 int (*init)(MachineClass *mc);
2687 bool *allowed;
2688 } accel_list[] = {
2689 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2690 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2691 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2692 { "qtest", "QTest", qtest_available, qtest_init_accel, &qtest_allowed },
2693 };
2694
2695 static int configure_accelerator(MachineClass *mc)
2696 {
2697 const char *p;
2698 char buf[10];
2699 int i, ret;
2700 bool accel_initialised = false;
2701 bool init_failed = false;
2702
2703 p = qemu_opt_get(qemu_get_machine_opts(), "accel");
2704 if (p == NULL) {
2705 /* Use the default "accelerator", tcg */
2706 p = "tcg";
2707 }
2708
2709 while (!accel_initialised && *p != '\0') {
2710 if (*p == ':') {
2711 p++;
2712 }
2713 p = get_opt_name(buf, sizeof (buf), p, ':');
2714 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2715 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2716 if (!accel_list[i].available()) {
2717 printf("%s not supported for this target\n",
2718 accel_list[i].name);
2719 break;
2720 }
2721 *(accel_list[i].allowed) = true;
2722 ret = accel_list[i].init(mc);
2723 if (ret < 0) {
2724 init_failed = true;
2725 fprintf(stderr, "failed to initialize %s: %s\n",
2726 accel_list[i].name,
2727 strerror(-ret));
2728 *(accel_list[i].allowed) = false;
2729 } else {
2730 accel_initialised = true;
2731 }
2732 break;
2733 }
2734 }
2735 if (i == ARRAY_SIZE(accel_list)) {
2736 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2737 }
2738 }
2739
2740 if (!accel_initialised) {
2741 if (!init_failed) {
2742 fprintf(stderr, "No accelerator found!\n");
2743 }
2744 exit(1);
2745 }
2746
2747 if (init_failed) {
2748 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2749 }
2750
2751 return !accel_initialised;
2752 }
2753
2754 void qemu_add_exit_notifier(Notifier *notify)
2755 {
2756 notifier_list_add(&exit_notifiers, notify);
2757 }
2758
2759 void qemu_remove_exit_notifier(Notifier *notify)
2760 {
2761 notifier_remove(notify);
2762 }
2763
2764 static void qemu_run_exit_notifiers(void)
2765 {
2766 notifier_list_notify(&exit_notifiers, NULL);
2767 }
2768
2769 void qemu_add_machine_init_done_notifier(Notifier *notify)
2770 {
2771 notifier_list_add(&machine_init_done_notifiers, notify);
2772 }
2773
2774 static void qemu_run_machine_init_done_notifiers(void)
2775 {
2776 notifier_list_notify(&machine_init_done_notifiers, NULL);
2777 }
2778
2779 static const QEMUOption *lookup_opt(int argc, char **argv,
2780 const char **poptarg, int *poptind)
2781 {
2782 const QEMUOption *popt;
2783 int optind = *poptind;
2784 char *r = argv[optind];
2785 const char *optarg;
2786
2787 loc_set_cmdline(argv, optind, 1);
2788 optind++;
2789 /* Treat --foo the same as -foo. */
2790 if (r[1] == '-')
2791 r++;
2792 popt = qemu_options;
2793 for(;;) {
2794 if (!popt->name) {
2795 error_report("invalid option");
2796 exit(1);
2797 }
2798 if (!strcmp(popt->name, r + 1))
2799 break;
2800 popt++;
2801 }
2802 if (popt->flags & HAS_ARG) {
2803 if (optind >= argc) {
2804 error_report("requires an argument");
2805 exit(1);
2806 }
2807 optarg = argv[optind++];
2808 loc_set_cmdline(argv, optind - 2, 2);
2809 } else {
2810 optarg = NULL;
2811 }
2812
2813 *poptarg = optarg;
2814 *poptind = optind;
2815
2816 return popt;
2817 }
2818
2819 static gpointer malloc_and_trace(gsize n_bytes)
2820 {
2821 void *ptr = malloc(n_bytes);
2822 trace_g_malloc(n_bytes, ptr);
2823 return ptr;
2824 }
2825
2826 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2827 {
2828 void *ptr = realloc(mem, n_bytes);
2829 trace_g_realloc(mem, n_bytes, ptr);
2830 return ptr;
2831 }
2832
2833 static void free_and_trace(gpointer mem)
2834 {
2835 trace_g_free(mem);
2836 free(mem);
2837 }
2838
2839 static int object_set_property(const char *name, const char *value, void *opaque)
2840 {
2841 Object *obj = OBJECT(opaque);
2842 StringInputVisitor *siv;
2843 Error *local_err = NULL;
2844 char *c, *qom_name;
2845
2846 if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0 ||
2847 strcmp(name, "type") == 0) {
2848 return 0;
2849 }
2850
2851 qom_name = g_strdup(name);
2852 c = qom_name;
2853 while (*c++) {
2854 if (*c == '_') {
2855 *c = '-';
2856 }
2857 }
2858
2859 siv = string_input_visitor_new(value);
2860 object_property_set(obj, string_input_get_visitor(siv), qom_name, &local_err);
2861 string_input_visitor_cleanup(siv);
2862 g_free(qom_name);
2863
2864 if (local_err) {
2865 qerror_report_err(local_err);
2866 error_free(local_err);
2867 return -1;
2868 }
2869
2870 return 0;
2871 }
2872
2873 static int object_create(QemuOpts *opts, void *opaque)
2874 {
2875 Error *err = NULL;
2876 char *type = NULL;
2877 char *id = NULL;
2878 void *dummy = NULL;
2879 OptsVisitor *ov;
2880 QDict *pdict;
2881
2882 ov = opts_visitor_new(opts);
2883 pdict = qemu_opts_to_qdict(opts, NULL);
2884
2885 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2886 if (err) {
2887 goto out;
2888 }
2889
2890 qdict_del(pdict, "qom-type");
2891 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2892 if (err) {
2893 goto out;
2894 }
2895
2896 qdict_del(pdict, "id");
2897 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2898 if (err) {
2899 goto out;
2900 }
2901
2902 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2903 if (err) {
2904 goto out;
2905 }
2906 visit_end_struct(opts_get_visitor(ov), &err);
2907 if (err) {
2908 qmp_object_del(id, NULL);
2909 }
2910
2911 out:
2912 opts_visitor_cleanup(ov);
2913
2914 QDECREF(pdict);
2915 g_free(id);
2916 g_free(type);
2917 g_free(dummy);
2918 if (err) {
2919 qerror_report_err(err);
2920 return -1;
2921 }
2922 return 0;
2923 }
2924
2925 int main(int argc, char **argv, char **envp)
2926 {
2927 int i;
2928 int snapshot, linux_boot;
2929 const char *initrd_filename;
2930 const char *kernel_filename, *kernel_cmdline;
2931 const char *boot_order;
2932 DisplayState *ds;
2933 int cyls, heads, secs, translation;
2934 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2935 QemuOptsList *olist;
2936 int optind;
2937 const char *optarg;
2938 const char *loadvm = NULL;
2939 MachineClass *machine_class;
2940 const char *cpu_model;
2941 const char *vga_model = NULL;
2942 const char *qtest_chrdev = NULL;
2943 const char *qtest_log = NULL;
2944 const char *pid_file = NULL;
2945 const char *incoming = NULL;
2946 #ifdef CONFIG_VNC
2947 int show_vnc_port = 0;
2948 #endif
2949 bool defconfig = true;
2950 bool userconfig = true;
2951 const char *log_mask = NULL;
2952 const char *log_file = NULL;
2953 GMemVTable mem_trace = {
2954 .malloc = malloc_and_trace,
2955 .realloc = realloc_and_trace,
2956 .free = free_and_trace,
2957 };
2958 const char *trace_events = NULL;
2959 const char *trace_file = NULL;
2960 const ram_addr_t default_ram_size = (ram_addr_t)DEFAULT_RAM_SIZE *
2961 1024 * 1024;
2962 ram_addr_t maxram_size = default_ram_size;
2963 uint64_t ram_slots = 0;
2964 FILE *vmstate_dump_file = NULL;
2965
2966 atexit(qemu_run_exit_notifiers);
2967 error_set_progname(argv[0]);
2968 qemu_init_exec_dir(argv[0]);
2969
2970 g_mem_set_vtable(&mem_trace);
2971
2972 module_call_init(MODULE_INIT_QOM);
2973
2974 qemu_add_opts(&qemu_drive_opts);
2975 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2976 qemu_add_drive_opts(&qemu_common_drive_opts);
2977 qemu_add_drive_opts(&qemu_drive_opts);
2978 qemu_add_opts(&qemu_chardev_opts);
2979 qemu_add_opts(&qemu_device_opts);
2980 qemu_add_opts(&qemu_netdev_opts);
2981 qemu_add_opts(&qemu_net_opts);
2982 qemu_add_opts(&qemu_rtc_opts);
2983 qemu_add_opts(&qemu_global_opts);
2984 qemu_add_opts(&qemu_mon_opts);
2985 qemu_add_opts(&qemu_trace_opts);
2986 qemu_add_opts(&qemu_option_rom_opts);
2987 qemu_add_opts(&qemu_machine_opts);
2988 qemu_add_opts(&qemu_mem_opts);
2989 qemu_add_opts(&qemu_smp_opts);
2990 qemu_add_opts(&qemu_boot_opts);
2991 qemu_add_opts(&qemu_sandbox_opts);
2992 qemu_add_opts(&qemu_add_fd_opts);
2993 qemu_add_opts(&qemu_object_opts);
2994 qemu_add_opts(&qemu_tpmdev_opts);
2995 qemu_add_opts(&qemu_realtime_opts);
2996 qemu_add_opts(&qemu_msg_opts);
2997 qemu_add_opts(&qemu_name_opts);
2998 qemu_add_opts(&qemu_numa_opts);
2999 qemu_add_opts(&qemu_icount_opts);
3000
3001 runstate_init();
3002
3003 rtc_clock = QEMU_CLOCK_HOST;
3004
3005 QLIST_INIT (&vm_change_state_head);
3006 os_setup_early_signal_handling();
3007
3008 module_call_init(MODULE_INIT_MACHINE);
3009 machine_class = find_default_machine();
3010 cpu_model = NULL;
3011 ram_size = default_ram_size;
3012 snapshot = 0;
3013 cyls = heads = secs = 0;
3014 translation = BIOS_ATA_TRANSLATION_AUTO;
3015
3016 for (i = 0; i < MAX_NODES; i++) {
3017 numa_info[i].node_mem = 0;
3018 numa_info[i].present = false;
3019 bitmap_zero(numa_info[i].node_cpu, MAX_CPUMASK_BITS);
3020 }
3021
3022 nb_numa_nodes = 0;
3023 max_numa_nodeid = 0;
3024 nb_nics = 0;
3025
3026 bdrv_init_with_whitelist();
3027
3028 autostart = 1;
3029
3030 /* first pass of option parsing */
3031 optind = 1;
3032 while (optind < argc) {
3033 if (argv[optind][0] != '-') {
3034 /* disk image */
3035 optind++;
3036 } else {
3037 const QEMUOption *popt;
3038
3039 popt = lookup_opt(argc, argv, &optarg, &optind);
3040 switch (popt->index) {
3041 case QEMU_OPTION_nodefconfig:
3042 defconfig = false;
3043 break;
3044 case QEMU_OPTION_nouserconfig:
3045 userconfig = false;
3046 break;
3047 }
3048 }
3049 }
3050
3051 if (defconfig) {
3052 int ret;
3053 ret = qemu_read_default_config_files(userconfig);
3054 if (ret < 0) {
3055 exit(1);
3056 }
3057 }
3058
3059 /* second pass of option parsing */
3060 optind = 1;
3061 for(;;) {
3062 if (optind >= argc)
3063 break;
3064 if (argv[optind][0] != '-') {
3065 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3066 } else {
3067 const QEMUOption *popt;
3068
3069 popt = lookup_opt(argc, argv, &optarg, &optind);
3070 if (!(popt->arch_mask & arch_type)) {
3071 printf("Option %s not supported for this target\n", popt->name);
3072 exit(1);
3073 }
3074 switch(popt->index) {
3075 case QEMU_OPTION_M:
3076 machine_class = machine_parse(optarg);
3077 break;
3078 case QEMU_OPTION_no_kvm_irqchip: {
3079 olist = qemu_find_opts("machine");
3080 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
3081 break;
3082 }
3083 case QEMU_OPTION_cpu:
3084 /* hw initialization will check this */
3085 cpu_model = optarg;
3086 break;
3087 case QEMU_OPTION_hda:
3088 {
3089 char buf[256];
3090 if (cyls == 0)
3091 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3092 else
3093 snprintf(buf, sizeof(buf),
3094 "%s,cyls=%d,heads=%d,secs=%d%s",
3095 HD_OPTS , cyls, heads, secs,
3096 translation == BIOS_ATA_TRANSLATION_LBA ?
3097 ",trans=lba" :
3098 translation == BIOS_ATA_TRANSLATION_NONE ?
3099 ",trans=none" : "");
3100 drive_add(IF_DEFAULT, 0, optarg, buf);
3101 break;
3102 }
3103 case QEMU_OPTION_hdb:
3104 case QEMU_OPTION_hdc:
3105 case QEMU_OPTION_hdd:
3106 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3107 HD_OPTS);
3108 break;
3109 case QEMU_OPTION_drive:
3110 if (drive_def(optarg) == NULL) {
3111 exit(1);
3112 }
3113 break;
3114 case QEMU_OPTION_set:
3115 if (qemu_set_option(optarg) != 0)
3116 exit(1);
3117 break;
3118 case QEMU_OPTION_global:
3119 if (qemu_global_option(optarg) != 0)
3120 exit(1);
3121 break;
3122 case QEMU_OPTION_mtdblock:
3123 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3124 break;
3125 case QEMU_OPTION_sd:
3126 drive_add(IF_SD, -1, optarg, SD_OPTS);
3127 break;
3128 case QEMU_OPTION_pflash:
3129 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3130 break;
3131 case QEMU_OPTION_snapshot:
3132 snapshot = 1;
3133 break;
3134 case QEMU_OPTION_hdachs:
3135 {
3136 const char *p;
3137 p = optarg;
3138 cyls = strtol(p, (char **)&p, 0);
3139 if (cyls < 1 || cyls > 16383)
3140 goto chs_fail;
3141 if (*p != ',')
3142 goto chs_fail;
3143 p++;
3144 heads = strtol(p, (char **)&p, 0);
3145 if (heads < 1 || heads > 16)
3146 goto chs_fail;
3147 if (*p != ',')
3148 goto chs_fail;
3149 p++;
3150 secs = strtol(p, (char **)&p, 0);
3151 if (secs < 1 || secs > 63)
3152 goto chs_fail;
3153 if (*p == ',') {
3154 p++;
3155 if (!strcmp(p, "large")) {
3156 translation = BIOS_ATA_TRANSLATION_LARGE;
3157 } else if (!strcmp(p, "rechs")) {
3158 translation = BIOS_ATA_TRANSLATION_RECHS;
3159 } else if (!strcmp(p, "none")) {
3160 translation = BIOS_ATA_TRANSLATION_NONE;
3161 } else if (!strcmp(p, "lba")) {
3162 translation = BIOS_ATA_TRANSLATION_LBA;
3163 } else if (!strcmp(p, "auto")) {
3164 translation = BIOS_ATA_TRANSLATION_AUTO;
3165 } else {
3166 goto chs_fail;
3167 }
3168 } else if (*p != '\0') {
3169 chs_fail:
3170 fprintf(stderr, "qemu: invalid physical CHS format\n");
3171 exit(1);
3172 }
3173 if (hda_opts != NULL) {
3174 char num[16];
3175 snprintf(num, sizeof(num), "%d", cyls);
3176 qemu_opt_set(hda_opts, "cyls", num);
3177 snprintf(num, sizeof(num), "%d", heads);
3178 qemu_opt_set(hda_opts, "heads", num);
3179 snprintf(num, sizeof(num), "%d", secs);
3180 qemu_opt_set(hda_opts, "secs", num);
3181 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3182 qemu_opt_set(hda_opts, "trans", "large");
3183 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3184 qemu_opt_set(hda_opts, "trans", "rechs");
3185 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3186 qemu_opt_set(hda_opts, "trans", "lba");
3187 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3188 qemu_opt_set(hda_opts, "trans", "none");
3189 }
3190 }
3191 }
3192 break;
3193 case QEMU_OPTION_numa:
3194 opts = qemu_opts_parse(qemu_find_opts("numa"), optarg, 1);
3195 if (!opts) {
3196 exit(1);
3197 }
3198 break;
3199 case QEMU_OPTION_display:
3200 display_type = select_display(optarg);
3201 break;
3202 case QEMU_OPTION_nographic:
3203 display_type = DT_NOGRAPHIC;
3204 break;
3205 case QEMU_OPTION_curses:
3206 #ifdef CONFIG_CURSES
3207 display_type = DT_CURSES;
3208 #else
3209 fprintf(stderr, "Curses support is disabled\n");
3210 exit(1);
3211 #endif
3212 break;
3213 case QEMU_OPTION_portrait:
3214 graphic_rotate = 90;
3215 break;
3216 case QEMU_OPTION_rotate:
3217 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3218 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3219 graphic_rotate != 180 && graphic_rotate != 270) {
3220 fprintf(stderr,
3221 "qemu: only 90, 180, 270 deg rotation is available\n");
3222 exit(1);
3223 }
3224 break;
3225 case QEMU_OPTION_kernel:
3226 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3227 break;
3228 case QEMU_OPTION_initrd:
3229 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3230 break;
3231 case QEMU_OPTION_append:
3232 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3233 break;
3234 case QEMU_OPTION_dtb:
3235 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3236 break;
3237 case QEMU_OPTION_cdrom:
3238 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3239 break;
3240 case QEMU_OPTION_boot:
3241 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3242 if (!opts) {
3243 exit(1);
3244 }
3245 break;
3246 case QEMU_OPTION_fda:
3247 case QEMU_OPTION_fdb:
3248 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3249 optarg, FD_OPTS);
3250 break;
3251 case QEMU_OPTION_no_fd_bootchk:
3252 fd_bootchk = 0;
3253 break;
3254 case QEMU_OPTION_netdev:
3255 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3256 exit(1);
3257 }
3258 break;
3259 case QEMU_OPTION_net:
3260 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3261 exit(1);
3262 }
3263 break;
3264 #ifdef CONFIG_LIBISCSI
3265 case QEMU_OPTION_iscsi:
3266 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3267 if (!opts) {
3268 exit(1);
3269 }
3270 break;
3271 #endif
3272 #ifdef CONFIG_SLIRP
3273 case QEMU_OPTION_tftp:
3274 legacy_tftp_prefix = optarg;
3275 break;
3276 case QEMU_OPTION_bootp:
3277 legacy_bootp_filename = optarg;
3278 break;
3279 case QEMU_OPTION_redir:
3280 if (net_slirp_redir(optarg) < 0)
3281 exit(1);
3282 break;
3283 #endif
3284 case QEMU_OPTION_bt:
3285 add_device_config(DEV_BT, optarg);
3286 break;
3287 case QEMU_OPTION_audio_help:
3288 AUD_help ();
3289 exit (0);
3290 break;
3291 case QEMU_OPTION_soundhw:
3292 select_soundhw (optarg);
3293 break;
3294 case QEMU_OPTION_h:
3295 help(0);
3296 break;
3297 case QEMU_OPTION_version:
3298 version();
3299 exit(0);
3300 break;
3301 case QEMU_OPTION_m: {
3302 uint64_t sz;
3303 const char *mem_str;
3304 const char *maxmem_str, *slots_str;
3305
3306 opts = qemu_opts_parse(qemu_find_opts("memory"),
3307 optarg, 1);
3308 if (!opts) {
3309 exit(EXIT_FAILURE);
3310 }
3311
3312 mem_str = qemu_opt_get(opts, "size");
3313 if (!mem_str) {
3314 error_report("invalid -m option, missing 'size' option");
3315 exit(EXIT_FAILURE);
3316 }
3317 if (!*mem_str) {
3318 error_report("missing 'size' option value");
3319 exit(EXIT_FAILURE);
3320 }
3321
3322 sz = qemu_opt_get_size(opts, "size", ram_size);
3323
3324 /* Fix up legacy suffix-less format */
3325 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
3326 uint64_t overflow_check = sz;
3327
3328 sz <<= 20;
3329 if ((sz >> 20) != overflow_check) {
3330 error_report("too large 'size' option value");
3331 exit(EXIT_FAILURE);
3332 }
3333 }
3334
3335 /* backward compatibility behaviour for case "-m 0" */
3336 if (sz == 0) {
3337 sz = default_ram_size;
3338 }
3339
3340 sz = QEMU_ALIGN_UP(sz, 8192);
3341 ram_size = sz;
3342 if (ram_size != sz) {
3343 error_report("ram size too large");
3344 exit(EXIT_FAILURE);
3345 }
3346 maxram_size = ram_size;
3347
3348 maxmem_str = qemu_opt_get(opts, "maxmem");
3349 slots_str = qemu_opt_get(opts, "slots");
3350 if (maxmem_str && slots_str) {
3351 uint64_t slots;
3352
3353 sz = qemu_opt_get_size(opts, "maxmem", 0);
3354 if (sz < ram_size) {
3355 fprintf(stderr, "qemu: invalid -m option value: maxmem "
3356 "(%" PRIu64 ") <= initial memory ("
3357 RAM_ADDR_FMT ")\n", sz, ram_size);
3358 exit(EXIT_FAILURE);
3359 }
3360
3361 slots = qemu_opt_get_number(opts, "slots", 0);
3362 if ((sz > ram_size) && !slots) {
3363 fprintf(stderr, "qemu: invalid -m option value: maxmem "
3364 "(%" PRIu64 ") more than initial memory ("
3365 RAM_ADDR_FMT ") but no hotplug slots where "
3366 "specified\n", sz, ram_size);
3367 exit(EXIT_FAILURE);
3368 }
3369
3370 if ((sz <= ram_size) && slots) {
3371 fprintf(stderr, "qemu: invalid -m option value: %"
3372 PRIu64 " hotplug slots where specified but "
3373 "maxmem (%" PRIu64 ") <= initial memory ("
3374 RAM_ADDR_FMT ")\n", slots, sz, ram_size);
3375 exit(EXIT_FAILURE);
3376 }
3377 maxram_size = sz;
3378 ram_slots = slots;
3379 } else if ((!maxmem_str && slots_str) ||
3380 (maxmem_str && !slots_str)) {
3381 fprintf(stderr, "qemu: invalid -m option value: missing "
3382 "'%s' option\n", slots_str ? "maxmem" : "slots");
3383 exit(EXIT_FAILURE);
3384 }
3385 break;
3386 }
3387 #ifdef CONFIG_TPM
3388 case QEMU_OPTION_tpmdev:
3389 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3390 exit(1);
3391 }
3392 break;
3393 #endif
3394 case QEMU_OPTION_mempath:
3395 mem_path = optarg;
3396 break;
3397 case QEMU_OPTION_mem_prealloc:
3398 mem_prealloc = 1;
3399 break;
3400 case QEMU_OPTION_d:
3401 log_mask = optarg;
3402 break;
3403 case QEMU_OPTION_D:
3404 log_file = optarg;
3405 break;
3406 case QEMU_OPTION_s:
3407 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3408 break;
3409 case QEMU_OPTION_gdb:
3410 add_device_config(DEV_GDB, optarg);
3411 break;
3412 case QEMU_OPTION_L:
3413 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3414 data_dir[data_dir_idx++] = optarg;
3415 }
3416 break;
3417 case QEMU_OPTION_bios:
3418 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg);
3419 break;
3420 case QEMU_OPTION_singlestep:
3421 singlestep = 1;
3422 break;
3423 case QEMU_OPTION_S:
3424 autostart = 0;
3425 break;
3426 case QEMU_OPTION_k:
3427 keyboard_layout = optarg;
3428 break;
3429 case QEMU_OPTION_localtime:
3430 rtc_utc = 0;
3431 break;
3432 case QEMU_OPTION_vga:
3433 vga_model = optarg;
3434 default_vga = 0;
3435 break;
3436 case QEMU_OPTION_g:
3437 {
3438 const char *p;
3439 int w, h, depth;
3440 p = optarg;
3441 w = strtol(p, (char **)&p, 10);
3442 if (w <= 0) {
3443 graphic_error:
3444 fprintf(stderr, "qemu: invalid resolution or depth\n");
3445 exit(1);
3446 }
3447 if (*p != 'x')
3448 goto graphic_error;
3449 p++;
3450 h = strtol(p, (char **)&p, 10);
3451 if (h <= 0)
3452 goto graphic_error;
3453 if (*p == 'x') {
3454 p++;
3455 depth = strtol(p, (char **)&p, 10);
3456 if (depth != 8 && depth != 15 && depth != 16 &&
3457 depth != 24 && depth != 32)
3458 goto graphic_error;
3459 } else if (*p == '\0') {
3460 depth = graphic_depth;
3461 } else {
3462 goto graphic_error;
3463 }
3464
3465 graphic_width = w;
3466 graphic_height = h;
3467 graphic_depth = depth;
3468 }
3469 break;
3470 case QEMU_OPTION_echr:
3471 {
3472 char *r;
3473 term_escape_char = strtol(optarg, &r, 0);
3474 if (r == optarg)
3475 printf("Bad argument to echr\n");
3476 break;
3477 }
3478 case QEMU_OPTION_monitor:
3479 default_monitor = 0;
3480 if (strncmp(optarg, "none", 4)) {
3481 monitor_parse(optarg, "readline");
3482 }
3483 break;
3484 case QEMU_OPTION_qmp:
3485 monitor_parse(optarg, "control");
3486 default_monitor = 0;
3487 break;
3488 case QEMU_OPTION_mon:
3489 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3490 if (!opts) {
3491 exit(1);
3492 }
3493 default_monitor = 0;
3494 break;
3495 case QEMU_OPTION_chardev:
3496 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3497 if (!opts) {
3498 exit(1);
3499 }
3500 break;
3501 case QEMU_OPTION_fsdev:
3502 olist = qemu_find_opts("fsdev");
3503 if (!olist) {
3504 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3505 exit(1);
3506 }
3507 opts = qemu_opts_parse(olist, optarg, 1);
3508 if (!opts) {
3509 exit(1);
3510 }
3511 break;
3512 case QEMU_OPTION_virtfs: {
3513 QemuOpts *fsdev;
3514 QemuOpts *device;
3515 const char *writeout, *sock_fd, *socket;
3516
3517 olist = qemu_find_opts("virtfs");
3518 if (!olist) {
3519 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3520 exit(1);
3521 }
3522 opts = qemu_opts_parse(olist, optarg, 1);
3523 if (!opts) {
3524 exit(1);
3525 }
3526
3527 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3528 qemu_opt_get(opts, "mount_tag") == NULL) {
3529 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3530 exit(1);
3531 }
3532 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3533 qemu_opt_get(opts, "mount_tag"),
3534 1, NULL);
3535 if (!fsdev) {
3536 fprintf(stderr, "duplicate fsdev id: %s\n",
3537 qemu_opt_get(opts, "mount_tag"));
3538 exit(1);
3539 }
3540
3541 writeout = qemu_opt_get(opts, "writeout");
3542 if (writeout) {
3543 #ifdef CONFIG_SYNC_FILE_RANGE
3544 qemu_opt_set(fsdev, "writeout", writeout);
3545 #else
3546 fprintf(stderr, "writeout=immediate not supported on "
3547 "this platform\n");
3548 exit(1);
3549 #endif
3550 }
3551 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3552 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3553 qemu_opt_set(fsdev, "security_model",
3554 qemu_opt_get(opts, "security_model"));
3555 socket = qemu_opt_get(opts, "socket");
3556 if (socket) {
3557 qemu_opt_set(fsdev, "socket", socket);
3558 }
3559 sock_fd = qemu_opt_get(opts, "sock_fd");
3560 if (sock_fd) {
3561 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3562 }
3563
3564 qemu_opt_set_bool(fsdev, "readonly",
3565 qemu_opt_get_bool(opts, "readonly", 0));
3566 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3567 &error_abort);
3568 qemu_opt_set(device, "driver", "virtio-9p-pci");
3569 qemu_opt_set(device, "fsdev",
3570 qemu_opt_get(opts, "mount_tag"));
3571 qemu_opt_set(device, "mount_tag",
3572 qemu_opt_get(opts, "mount_tag"));
3573 break;
3574 }
3575 case QEMU_OPTION_virtfs_synth: {
3576 QemuOpts *fsdev;
3577 QemuOpts *device;
3578
3579 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3580 1, NULL);
3581 if (!fsdev) {
3582 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3583 exit(1);
3584 }
3585 qemu_opt_set(fsdev, "fsdriver", "synth");
3586
3587 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3588 &error_abort);
3589 qemu_opt_set(device, "driver", "virtio-9p-pci");
3590 qemu_opt_set(device, "fsdev", "v_synth");
3591 qemu_opt_set(device, "mount_tag", "v_synth");
3592 break;
3593 }
3594 case QEMU_OPTION_serial:
3595 add_device_config(DEV_SERIAL, optarg);
3596 default_serial = 0;
3597 if (strncmp(optarg, "mon:", 4) == 0) {
3598 default_monitor = 0;
3599 }
3600 break;
3601 case QEMU_OPTION_watchdog:
3602 if (watchdog) {
3603 fprintf(stderr,
3604 "qemu: only one watchdog option may be given\n");
3605 return 1;
3606 }
3607 watchdog = optarg;
3608 break;
3609 case QEMU_OPTION_watchdog_action:
3610 if (select_watchdog_action(optarg) == -1) {
3611 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3612 exit(1);
3613 }
3614 break;
3615 case QEMU_OPTION_virtiocon:
3616 add_device_config(DEV_VIRTCON, optarg);
3617 default_virtcon = 0;
3618 if (strncmp(optarg, "mon:", 4) == 0) {
3619 default_monitor = 0;
3620 }
3621 break;
3622 case QEMU_OPTION_parallel:
3623 add_device_config(DEV_PARALLEL, optarg);
3624 default_parallel = 0;
3625 if (strncmp(optarg, "mon:", 4) == 0) {
3626 default_monitor = 0;
3627 }
3628 break;
3629 case QEMU_OPTION_debugcon:
3630 add_device_config(DEV_DEBUGCON, optarg);
3631 break;
3632 case QEMU_OPTION_loadvm:
3633 loadvm = optarg;
3634 break;
3635 case QEMU_OPTION_full_screen:
3636 full_screen = 1;
3637 break;
3638 case QEMU_OPTION_no_frame:
3639 no_frame = 1;
3640 break;
3641 case QEMU_OPTION_alt_grab:
3642 alt_grab = 1;
3643 break;
3644 case QEMU_OPTION_ctrl_grab:
3645 ctrl_grab = 1;
3646 break;
3647 case QEMU_OPTION_no_quit:
3648 no_quit = 1;
3649 break;
3650 case QEMU_OPTION_sdl:
3651 #ifdef CONFIG_SDL
3652 display_type = DT_SDL;
3653 break;
3654 #else
3655 fprintf(stderr, "SDL support is disabled\n");
3656 exit(1);
3657 #endif
3658 case QEMU_OPTION_pidfile:
3659 pid_file = optarg;
3660 break;
3661 case QEMU_OPTION_win2k_hack:
3662 win2k_install_hack = 1;
3663 break;
3664 case QEMU_OPTION_rtc_td_hack: {
3665 static GlobalProperty slew_lost_ticks[] = {
3666 {
3667 .driver = "mc146818rtc",
3668 .property = "lost_tick_policy",
3669 .value = "slew",
3670 },
3671 { /* end of list */ }
3672 };
3673
3674 qdev_prop_register_global_list(slew_lost_ticks);
3675 break;
3676 }
3677 case QEMU_OPTION_acpitable:
3678 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3679 if (!opts) {
3680 exit(1);
3681 }
3682 do_acpitable_option(opts);
3683 break;
3684 case QEMU_OPTION_smbios:
3685 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3686 if (!opts) {
3687 exit(1);
3688 }
3689 do_smbios_option(opts);
3690 break;
3691 case QEMU_OPTION_enable_kvm:
3692 olist = qemu_find_opts("machine");
3693 qemu_opts_parse(olist, "accel=kvm", 0);
3694 break;
3695 case QEMU_OPTION_machine:
3696 olist = qemu_find_opts("machine");
3697 opts = qemu_opts_parse(olist, optarg, 1);
3698 if (!opts) {
3699 exit(1);
3700 }
3701 optarg = qemu_opt_get(opts, "type");
3702 if (optarg) {
3703 machine_class = machine_parse(optarg);
3704 }
3705 break;
3706 case QEMU_OPTION_no_kvm:
3707 olist = qemu_find_opts("machine");
3708 qemu_opts_parse(olist, "accel=tcg", 0);
3709 break;
3710 case QEMU_OPTION_no_kvm_pit: {
3711 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3712 "separately.\n");
3713 break;
3714 }
3715 case QEMU_OPTION_no_kvm_pit_reinjection: {
3716 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3717 {
3718 .driver = "kvm-pit",
3719 .property = "lost_tick_policy",
3720 .value = "discard",
3721 },
3722 { /* end of list */ }
3723 };
3724
3725 fprintf(stderr, "Warning: option deprecated, use "
3726 "lost_tick_policy property of kvm-pit instead.\n");
3727 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3728 break;
3729 }
3730 case QEMU_OPTION_usb:
3731 olist = qemu_find_opts("machine");
3732 qemu_opts_parse(olist, "usb=on", 0);
3733 break;
3734 case QEMU_OPTION_usbdevice:
3735 olist = qemu_find_opts("machine");
3736 qemu_opts_parse(olist, "usb=on", 0);
3737 add_device_config(DEV_USB, optarg);
3738 break;
3739 case QEMU_OPTION_device:
3740 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3741 exit(1);
3742 }
3743 break;
3744 case QEMU_OPTION_smp:
3745 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3746 exit(1);
3747 }
3748 break;
3749 case QEMU_OPTION_vnc:
3750 #ifdef CONFIG_VNC
3751 display_remote++;
3752 vnc_display = optarg;
3753 #else
3754 fprintf(stderr, "VNC support is disabled\n");
3755 exit(1);
3756 #endif
3757 break;
3758 case QEMU_OPTION_no_acpi:
3759 acpi_enabled = 0;
3760 break;
3761 case QEMU_OPTION_no_hpet:
3762 no_hpet = 1;
3763 break;
3764 case QEMU_OPTION_balloon:
3765 if (balloon_parse(optarg) < 0) {
3766 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3767 exit(1);
3768 }
3769 break;
3770 case QEMU_OPTION_no_reboot:
3771 no_reboot = 1;
3772 break;
3773 case QEMU_OPTION_no_shutdown:
3774 no_shutdown = 1;
3775 break;
3776 case QEMU_OPTION_show_cursor:
3777 cursor_hide = 0;
3778 break;
3779 case QEMU_OPTION_uuid:
3780 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3781 fprintf(stderr, "Fail to parse UUID string."
3782 " Wrong format.\n");
3783 exit(1);
3784 }
3785 qemu_uuid_set = true;
3786 break;
3787 case QEMU_OPTION_option_rom:
3788 if (nb_option_roms >= MAX_OPTION_ROMS) {
3789 fprintf(stderr, "Too many option ROMs\n");
3790 exit(1);
3791 }
3792 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3793 if (!opts) {
3794 exit(1);
3795 }
3796 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3797 option_rom[nb_option_roms].bootindex =
3798 qemu_opt_get_number(opts, "bootindex", -1);
3799 if (!option_rom[nb_option_roms].name) {
3800 fprintf(stderr, "Option ROM file is not specified\n");
3801 exit(1);
3802 }
3803 nb_option_roms++;
3804 break;
3805 case QEMU_OPTION_semihosting:
3806 semihosting_enabled = 1;
3807 break;
3808 case QEMU_OPTION_tdf:
3809 fprintf(stderr, "Warning: user space PIT time drift fix "
3810 "is no longer supported.\n");
3811 break;
3812 case QEMU_OPTION_name:
3813 opts = qemu_opts_parse(qemu_find_opts("name"), optarg, 1);
3814 if (!opts) {
3815 exit(1);
3816 }
3817 break;
3818 case QEMU_OPTION_prom_env:
3819 if (nb_prom_envs >= MAX_PROM_ENVS) {
3820 fprintf(stderr, "Too many prom variables\n");
3821 exit(1);
3822 }
3823 prom_envs[nb_prom_envs] = optarg;
3824 nb_prom_envs++;
3825 break;
3826 case QEMU_OPTION_old_param:
3827 old_param = 1;
3828 break;
3829 case QEMU_OPTION_clock:
3830 /* Clock options no longer exist. Keep this option for
3831 * backward compatibility.
3832 */
3833 break;
3834 case QEMU_OPTION_startdate:
3835 configure_rtc_date_offset(optarg, 1);
3836 break;
3837 case QEMU_OPTION_rtc:
3838 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3839 if (!opts) {
3840 exit(1);
3841 }
3842 configure_rtc(opts);
3843 break;
3844 case QEMU_OPTION_tb_size:
3845 tcg_tb_size = strtol(optarg, NULL, 0);
3846 if (tcg_tb_size < 0) {
3847 tcg_tb_size = 0;
3848 }
3849 break;
3850 case QEMU_OPTION_icount:
3851 icount_opts = qemu_opts_parse(qemu_find_opts("icount"),
3852 optarg, 1);
3853 if (!icount_opts) {
3854 exit(1);
3855 }
3856 break;
3857 case QEMU_OPTION_incoming:
3858 incoming = optarg;
3859 runstate_set(RUN_STATE_INMIGRATE);
3860 break;
3861 case QEMU_OPTION_nodefaults:
3862 has_defaults = 0;
3863 break;
3864 case QEMU_OPTION_xen_domid:
3865 if (!(xen_available())) {
3866 printf("Option %s not supported for this target\n", popt->name);
3867 exit(1);
3868 }
3869 xen_domid = atoi(optarg);
3870 break;
3871 case QEMU_OPTION_xen_create:
3872 if (!(xen_available())) {
3873 printf("Option %s not supported for this target\n", popt->name);
3874 exit(1);
3875 }
3876 xen_mode = XEN_CREATE;
3877 break;
3878 case QEMU_OPTION_xen_attach:
3879 if (!(xen_available())) {
3880 printf("Option %s not supported for this target\n", popt->name);
3881 exit(1);
3882 }
3883 xen_mode = XEN_ATTACH;
3884 break;
3885 case QEMU_OPTION_trace:
3886 {
3887 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3888 if (!opts) {
3889 exit(1);
3890 }
3891 trace_events = qemu_opt_get(opts, "events");
3892 trace_file = qemu_opt_get(opts, "file");
3893 break;
3894 }
3895 case QEMU_OPTION_readconfig:
3896 {
3897 int ret = qemu_read_config_file(optarg);
3898 if (ret < 0) {
3899 fprintf(stderr, "read config %s: %s\n", optarg,
3900 strerror(-ret));
3901 exit(1);
3902 }
3903 break;
3904 }
3905 case QEMU_OPTION_spice:
3906 olist = qemu_find_opts("spice");
3907 if (!olist) {
3908 fprintf(stderr, "spice is not supported by this qemu build.\n");
3909 exit(1);
3910 }
3911 opts = qemu_opts_parse(olist, optarg, 0);
3912 if (!opts) {
3913 exit(1);
3914 }
3915 display_remote++;
3916 break;
3917 case QEMU_OPTION_writeconfig:
3918 {
3919 FILE *fp;
3920 if (strcmp(optarg, "-") == 0) {
3921 fp = stdout;
3922 } else {
3923 fp = fopen(optarg, "w");
3924 if (fp == NULL) {
3925 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3926 exit(1);
3927 }
3928 }
3929 qemu_config_write(fp);
3930 if (fp != stdout) {
3931 fclose(fp);
3932 }
3933 break;
3934 }
3935 case QEMU_OPTION_qtest:
3936 qtest_chrdev = optarg;
3937 break;
3938 case QEMU_OPTION_qtest_log:
3939 qtest_log = optarg;
3940 break;
3941 case QEMU_OPTION_sandbox:
3942 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3943 if (!opts) {
3944 exit(1);
3945 }
3946 break;
3947 case QEMU_OPTION_add_fd:
3948 #ifndef _WIN32
3949 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3950 if (!opts) {
3951 exit(1);
3952 }
3953 #else
3954 error_report("File descriptor passing is disabled on this "
3955 "platform");
3956 exit(1);
3957 #endif
3958 break;
3959 case QEMU_OPTION_object:
3960 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3961 if (!opts) {
3962 exit(1);
3963 }
3964 break;
3965 case QEMU_OPTION_realtime:
3966 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3967 if (!opts) {
3968 exit(1);
3969 }
3970 configure_realtime(opts);
3971 break;
3972 case QEMU_OPTION_msg:
3973 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3974 if (!opts) {
3975 exit(1);
3976 }
3977 configure_msg(opts);
3978 break;
3979 case QEMU_OPTION_dump_vmstate:
3980 vmstate_dump_file = fopen(optarg, "w");
3981 if (vmstate_dump_file == NULL) {
3982 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3983 exit(1);
3984 }
3985 break;
3986 default:
3987 os_parse_cmd_args(popt->index, optarg);
3988 }
3989 }
3990 }
3991 loc_set_none();
3992
3993 os_daemonize();
3994
3995 if (qemu_init_main_loop()) {
3996 fprintf(stderr, "qemu_init_main_loop failed\n");
3997 exit(1);
3998 }
3999
4000 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
4001 exit(1);
4002 }
4003
4004 if (qemu_opts_foreach(qemu_find_opts("name"), parse_name, NULL, 1)) {
4005 exit(1);
4006 }
4007
4008 #ifndef _WIN32
4009 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
4010 exit(1);
4011 }
4012
4013 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
4014 exit(1);
4015 }
4016 #endif
4017
4018 if (machine_class == NULL) {
4019 fprintf(stderr, "No machine specified, and there is no default.\n"
4020 "Use -machine help to list supported machines!\n");
4021 exit(1);
4022 }
4023
4024 current_machine = MACHINE(object_new(object_class_get_name(
4025 OBJECT_CLASS(machine_class))));
4026 object_property_add_child(object_get_root(), "machine",
4027 OBJECT(current_machine), &error_abort);
4028 cpu_exec_init_all();
4029
4030 if (machine_class->hw_version) {
4031 qemu_set_version(machine_class->hw_version);
4032 }
4033
4034 if (qemu_opts_foreach(qemu_find_opts("object"),
4035 object_create, NULL, 0) != 0) {
4036 exit(1);
4037 }
4038
4039 /* Init CPU def lists, based on config
4040 * - Must be called after all the qemu_read_config_file() calls
4041 * - Must be called before list_cpus()
4042 * - Must be called before machine->init()
4043 */
4044 cpudef_init();
4045
4046 if (cpu_model && is_help_option(cpu_model)) {
4047 list_cpus(stdout, &fprintf, cpu_model);
4048 exit(0);
4049 }
4050
4051 /* Open the logfile at this point, if necessary. We can't open the logfile
4052 * when encountering either of the logging options (-d or -D) because the
4053 * other one may be encountered later on the command line, changing the
4054 * location or level of logging.
4055 */
4056 if (log_mask) {
4057 int mask;
4058 if (log_file) {
4059 qemu_set_log_filename(log_file);
4060 }
4061
4062 mask = qemu_str_to_log_mask(log_mask);
4063 if (!mask) {
4064 qemu_print_log_usage(stdout);
4065 exit(1);
4066 }
4067 qemu_set_log(mask);
4068 }
4069
4070 if (!is_daemonized()) {
4071 if (!trace_init_backends(trace_events, trace_file)) {
4072 exit(1);
4073 }
4074 }
4075
4076 /* If no data_dir is specified then try to find it relative to the
4077 executable path. */
4078 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4079 data_dir[data_dir_idx] = os_find_datadir();
4080 if (data_dir[data_dir_idx] != NULL) {
4081 data_dir_idx++;
4082 }
4083 }
4084 /* If all else fails use the install path specified when building. */
4085 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4086 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4087 }
4088
4089 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4090
4091 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4092 if (smp_cpus > machine_class->max_cpus) {
4093 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
4094 "supported by machine `%s' (%d)\n", smp_cpus,
4095 machine_class->name, machine_class->max_cpus);
4096 exit(1);
4097 }
4098
4099 /*
4100 * Get the default machine options from the machine if it is not already
4101 * specified either by the configuration file or by the command line.
4102 */
4103 if (machine_class->default_machine_opts) {
4104 qemu_opts_set_defaults(qemu_find_opts("machine"),
4105 machine_class->default_machine_opts, 0);
4106 }
4107
4108 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
4109 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
4110
4111 if (!vga_model && !default_vga) {
4112 vga_interface_type = VGA_DEVICE;
4113 }
4114 if (!has_defaults || machine_class->no_serial) {
4115 default_serial = 0;
4116 }
4117 if (!has_defaults || machine_class->no_parallel) {
4118 default_parallel = 0;
4119 }
4120 if (!has_defaults || !machine_class->use_virtcon) {
4121 default_virtcon = 0;
4122 }
4123 if (!has_defaults || !machine_class->use_sclp) {
4124 default_sclp = 0;
4125 }
4126 if (!has_defaults || machine_class->no_floppy) {
4127 default_floppy = 0;
4128 }
4129 if (!has_defaults || machine_class->no_cdrom) {
4130 default_cdrom = 0;
4131 }
4132 if (!has_defaults || machine_class->no_sdcard) {
4133 default_sdcard = 0;
4134 }
4135 if (!has_defaults) {
4136 default_monitor = 0;
4137 default_net = 0;
4138 default_vga = 0;
4139 }
4140
4141 if (is_daemonized()) {
4142 /* According to documentation and historically, -nographic redirects
4143 * serial port, parallel port and monitor to stdio, which does not work
4144 * with -daemonize. We can redirect these to null instead, but since
4145 * -nographic is legacy, let's just error out.
4146 * We disallow -nographic only if all other ports are not redirected
4147 * explicitly, to not break existing legacy setups which uses
4148 * -nographic _and_ redirects all ports explicitly - this is valid
4149 * usage, -nographic is just a no-op in this case.
4150 */
4151 if (display_type == DT_NOGRAPHIC
4152 && (default_parallel || default_serial
4153 || default_monitor || default_virtcon)) {
4154 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4155 exit(1);
4156 }
4157 #ifdef CONFIG_CURSES
4158 if (display_type == DT_CURSES) {
4159 fprintf(stderr, "curses display can not be used with -daemonize\n");
4160 exit(1);
4161 }
4162 #endif
4163 }
4164
4165 if (display_type == DT_NOGRAPHIC) {
4166 if (default_parallel)
4167 add_device_config(DEV_PARALLEL, "null");
4168 if (default_serial && default_monitor) {
4169 add_device_config(DEV_SERIAL, "mon:stdio");
4170 } else if (default_virtcon && default_monitor) {
4171 add_device_config(DEV_VIRTCON, "mon:stdio");
4172 } else if (default_sclp && default_monitor) {
4173 add_device_config(DEV_SCLP, "mon:stdio");
4174 } else {
4175 if (default_serial)
4176 add_device_config(DEV_SERIAL, "stdio");
4177 if (default_virtcon)
4178 add_device_config(DEV_VIRTCON, "stdio");
4179 if (default_sclp) {
4180 add_device_config(DEV_SCLP, "stdio");
4181 }
4182 if (default_monitor)
4183 monitor_parse("stdio", "readline");
4184 }
4185 } else {
4186 if (default_serial)
4187 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4188 if (default_parallel)
4189 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4190 if (default_monitor)
4191 monitor_parse("vc:80Cx24C", "readline");
4192 if (default_virtcon)
4193 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4194 if (default_sclp) {
4195 add_device_config(DEV_SCLP, "vc:80Cx24C");
4196 }
4197 }
4198
4199 if (display_type == DT_DEFAULT && !display_remote) {
4200 #if defined(CONFIG_GTK)
4201 display_type = DT_GTK;
4202 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4203 display_type = DT_SDL;
4204 #elif defined(CONFIG_VNC)
4205 vnc_display = "localhost:0,to=99";
4206 show_vnc_port = 1;
4207 #else
4208 display_type = DT_NONE;
4209 #endif
4210 }
4211
4212 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4213 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4214 "for SDL, ignoring option\n");
4215 }
4216 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4217 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4218 "ignoring option\n");
4219 }
4220
4221 #if defined(CONFIG_GTK)
4222 if (display_type == DT_GTK) {
4223 early_gtk_display_init();
4224 }
4225 #endif
4226
4227 socket_init();
4228
4229 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4230 exit(1);
4231 #ifdef CONFIG_VIRTFS
4232 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4233 exit(1);
4234 }
4235 #endif
4236
4237 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4238 os_pidfile_error();
4239 exit(1);
4240 }
4241
4242 /* store value for the future use */
4243 qemu_opt_set_number(qemu_find_opts_singleton("memory"), "size", ram_size);
4244
4245 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4246 != 0) {
4247 exit(0);
4248 }
4249
4250 machine_opts = qemu_get_machine_opts();
4251 if (qemu_opt_foreach(machine_opts, object_set_property, current_machine,
4252 1) < 0) {
4253 object_unref(OBJECT(current_machine));
4254 exit(1);
4255 }
4256
4257 configure_accelerator(machine_class);
4258
4259 if (qtest_chrdev) {
4260 Error *local_err = NULL;
4261 qtest_init(qtest_chrdev, qtest_log, &local_err);
4262 if (local_err) {
4263 error_report("%s", error_get_pretty(local_err));
4264 error_free(local_err);
4265 exit(1);
4266 }
4267 }
4268
4269 machine_opts = qemu_get_machine_opts();
4270 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4271 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4272 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4273 bios_name = qemu_opt_get(machine_opts, "firmware");
4274
4275 boot_order = machine_class->default_boot_order;
4276 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4277 if (opts) {
4278 char *normal_boot_order;
4279 const char *order, *once;
4280
4281 order = qemu_opt_get(opts, "order");
4282 if (order) {
4283 validate_bootdevices(order);
4284 boot_order = order;
4285 }
4286
4287 once = qemu_opt_get(opts, "once");
4288 if (once) {
4289 validate_bootdevices(once);
4290 normal_boot_order = g_strdup(boot_order);
4291 boot_order = once;
4292 qemu_register_reset(restore_boot_order, normal_boot_order);
4293 }
4294
4295 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4296 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4297 }
4298
4299 if (!kernel_cmdline) {
4300 kernel_cmdline = "";
4301 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4302 }
4303
4304 linux_boot = (kernel_filename != NULL);
4305
4306 if (!linux_boot && *kernel_cmdline != '\0') {
4307 fprintf(stderr, "-append only allowed with -kernel option\n");
4308 exit(1);
4309 }
4310
4311 if (!linux_boot && initrd_filename != NULL) {
4312 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4313 exit(1);
4314 }
4315
4316 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4317 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4318 exit(1);
4319 }
4320
4321 os_set_line_buffering();
4322
4323 qemu_init_cpu_loop();
4324 qemu_mutex_lock_iothread();
4325
4326 #ifdef CONFIG_SPICE
4327 /* spice needs the timers to be initialized by this point */
4328 qemu_spice_init();
4329 #endif
4330
4331 if (icount_opts) {
4332 if (kvm_enabled() || xen_enabled()) {
4333 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4334 exit(1);
4335 }
4336 configure_icount(icount_opts, &error_abort);
4337 qemu_opts_del(icount_opts);
4338 }
4339
4340 /* clean up network at qemu process termination */
4341 atexit(&net_cleanup);
4342
4343 if (net_init_clients() < 0) {
4344 exit(1);
4345 }
4346
4347 #ifdef CONFIG_TPM
4348 if (tpm_init() < 0) {
4349 exit(1);
4350 }
4351 #endif
4352
4353 /* init the bluetooth world */
4354 if (foreach_device_config(DEV_BT, bt_parse))
4355 exit(1);
4356
4357 if (!xen_enabled()) {
4358 /* On 32-bit hosts, QEMU is limited by virtual address space */
4359 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4360 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4361 exit(1);
4362 }
4363 }
4364
4365 blk_mig_init();
4366 ram_mig_init();
4367
4368 /* open the virtual block devices */
4369 if (snapshot)
4370 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4371 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4372 &machine_class->block_default_type, 1) != 0) {
4373 exit(1);
4374 }
4375
4376 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4377 CDROM_OPTS);
4378 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4379 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4380
4381 if (qemu_opts_foreach(qemu_find_opts("numa"), numa_init_func,
4382 NULL, 1) != 0) {
4383 exit(1);
4384 }
4385
4386 set_numa_nodes();
4387
4388 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4389 exit(1);
4390 }
4391
4392 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4393 exit(1);
4394 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4395 exit(1);
4396 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4397 exit(1);
4398 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4399 exit(1);
4400 }
4401 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4402 exit(1);
4403
4404 /* If no default VGA is requested, the default is "none". */
4405 if (default_vga) {
4406 if (cirrus_vga_available()) {
4407 vga_model = "cirrus";
4408 } else if (vga_available()) {
4409 vga_model = "std";
4410 }
4411 }
4412 if (vga_model) {
4413 select_vgahw(vga_model);
4414 }
4415
4416 if (watchdog) {
4417 i = select_watchdog(watchdog);
4418 if (i > 0)
4419 exit (i == 1 ? 1 : 0);
4420 }
4421
4422 if (machine_class->compat_props) {
4423 qdev_prop_register_global_list(machine_class->compat_props);
4424 }
4425 qemu_add_globals();
4426
4427 qdev_machine_init();
4428
4429 current_machine->ram_size = ram_size;
4430 current_machine->maxram_size = maxram_size;
4431 current_machine->ram_slots = ram_slots;
4432 current_machine->boot_order = boot_order;
4433 current_machine->cpu_model = cpu_model;
4434
4435 machine_class->init(current_machine);
4436
4437 audio_init();
4438
4439 cpu_synchronize_all_post_init();
4440
4441 set_numa_modes();
4442
4443 /* init USB devices */
4444 if (usb_enabled(false)) {
4445 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4446 exit(1);
4447 }
4448
4449 /* init generic devices */
4450 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4451 exit(1);
4452
4453 net_check_clients();
4454
4455 ds = init_displaystate();
4456
4457 /* init local displays */
4458 switch (display_type) {
4459 case DT_NOGRAPHIC:
4460 (void)ds; /* avoid warning if no display is configured */
4461 break;
4462 #if defined(CONFIG_CURSES)
4463 case DT_CURSES:
4464 curses_display_init(ds, full_screen);
4465 break;
4466 #endif
4467 #if defined(CONFIG_SDL)
4468 case DT_SDL:
4469 sdl_display_init(ds, full_screen, no_frame);
4470 break;
4471 #elif defined(CONFIG_COCOA)
4472 case DT_SDL:
4473 cocoa_display_init(ds, full_screen);
4474 break;
4475 #endif
4476 #if defined(CONFIG_GTK)
4477 case DT_GTK:
4478 gtk_display_init(ds, full_screen, grab_on_hover);
4479 break;
4480 #endif
4481 default:
4482 break;
4483 }
4484
4485 /* must be after terminal init, SDL library changes signal handlers */
4486 os_setup_signal_handling();
4487
4488 #ifdef CONFIG_VNC
4489 /* init remote displays */
4490 if (vnc_display) {
4491 Error *local_err = NULL;
4492 vnc_display_init(ds);
4493 vnc_display_open(ds, vnc_display, &local_err);
4494 if (local_err != NULL) {
4495 error_report("Failed to start VNC server on `%s': %s",
4496 vnc_display, error_get_pretty(local_err));
4497 error_free(local_err);
4498 exit(1);
4499 }
4500
4501 if (show_vnc_port) {
4502 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4503 }
4504 }
4505 #endif
4506 #ifdef CONFIG_SPICE
4507 if (using_spice) {
4508 qemu_spice_display_init();
4509 }
4510 #endif
4511
4512 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4513 exit(1);
4514 }
4515
4516 qdev_machine_creation_done();
4517
4518 if (rom_load_all() != 0) {
4519 fprintf(stderr, "rom loading failed\n");
4520 exit(1);
4521 }
4522
4523 /* TODO: once all bus devices are qdevified, this should be done
4524 * when bus is created by qdev.c */
4525 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4526 qemu_run_machine_init_done_notifiers();
4527
4528 /* Done notifiers can load ROMs */
4529 rom_load_done();
4530
4531 qemu_system_reset(VMRESET_SILENT);
4532 if (loadvm) {
4533 if (load_vmstate(loadvm) < 0) {
4534 autostart = 0;
4535 }
4536 }
4537
4538 qdev_prop_check_global();
4539 if (vmstate_dump_file) {
4540 /* dump and exit */
4541 dump_vmstate_json_to_file(vmstate_dump_file);
4542 return 0;
4543 }
4544
4545 if (incoming) {
4546 Error *local_err = NULL;
4547 qemu_start_incoming_migration(incoming, &local_err);
4548 if (local_err) {
4549 error_report("-incoming %s: %s", incoming,
4550 error_get_pretty(local_err));
4551 error_free(local_err);
4552 exit(1);
4553 }
4554 } else if (autostart) {
4555 vm_start();
4556 }
4557
4558 os_setup_post();
4559
4560 if (is_daemonized()) {
4561 if (!trace_init_backends(trace_events, trace_file)) {
4562 exit(1);
4563 }
4564 }
4565
4566 main_loop();
4567 bdrv_close_all();
4568 pause_all_vcpus();
4569 res_free();
4570 #ifdef CONFIG_TPM
4571 tpm_cleanup();
4572 #endif
4573
4574 return 0;
4575 }
AR7 emulation for QEMU