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Merge remote-tracking branch 'qemu/master'
[qemu/ar7.git] / vl.c
blobc41c51c90c4666e08e1dd8af4e7902fb58ce7466
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);
45 int main(int argc, char **argv)
46 {
47 return qemu_main(argc, argv);
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 /* Trace unassigned memory or i/o accesses. */
207 bool trace_unassigned;
208
209 static QEMUBootSetHandler *boot_set_handler;
210 static void *boot_set_opaque;
211
212 static NotifierList exit_notifiers =
213 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
214
215 static NotifierList machine_init_done_notifiers =
216 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
217
218 static bool tcg_allowed = true;
219 bool xen_allowed;
220 uint32_t xen_domid;
221 enum xen_mode xen_mode = XEN_EMULATE;
222 static int tcg_tb_size;
223
224 static int has_defaults = 1;
225 static int default_serial = 1;
226 static int default_parallel = 1;
227 static int default_virtcon = 1;
228 static int default_sclp = 1;
229 static int default_monitor = 1;
230 static int default_floppy = 1;
231 static int default_cdrom = 1;
232 static int default_sdcard = 1;
233 static int default_vga = 1;
234
235 static struct {
236 const char *driver;
237 int *flag;
238 } default_list[] = {
239 { .driver = "isa-serial", .flag = &default_serial },
240 { .driver = "isa-parallel", .flag = &default_parallel },
241 { .driver = "isa-fdc", .flag = &default_floppy },
242 { .driver = "ide-cd", .flag = &default_cdrom },
243 { .driver = "ide-hd", .flag = &default_cdrom },
244 { .driver = "ide-drive", .flag = &default_cdrom },
245 { .driver = "scsi-cd", .flag = &default_cdrom },
246 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
247 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
248 { .driver = "virtio-serial", .flag = &default_virtcon },
249 { .driver = "VGA", .flag = &default_vga },
250 { .driver = "isa-vga", .flag = &default_vga },
251 { .driver = "cirrus-vga", .flag = &default_vga },
252 { .driver = "isa-cirrus-vga", .flag = &default_vga },
253 { .driver = "vmware-svga", .flag = &default_vga },
254 { .driver = "qxl-vga", .flag = &default_vga },
255 };
256
257 static QemuOptsList qemu_rtc_opts = {
258 .name = "rtc",
259 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
260 .desc = {
261 {
262 .name = "base",
263 .type = QEMU_OPT_STRING,
264 },{
265 .name = "clock",
266 .type = QEMU_OPT_STRING,
267 },{
268 .name = "driftfix",
269 .type = QEMU_OPT_STRING,
270 },
271 { /* end of list */ }
272 },
273 };
274
275 static QemuOptsList qemu_sandbox_opts = {
276 .name = "sandbox",
277 .implied_opt_name = "enable",
278 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
279 .desc = {
280 {
281 .name = "enable",
282 .type = QEMU_OPT_BOOL,
283 },
284 { /* end of list */ }
285 },
286 };
287
288 static QemuOptsList qemu_trace_opts = {
289 .name = "trace",
290 .implied_opt_name = "trace",
291 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
292 .desc = {
293 {
294 .name = "events",
295 .type = QEMU_OPT_STRING,
296 },{
297 .name = "file",
298 .type = QEMU_OPT_STRING,
299 },
300 { /* end of list */ }
301 },
302 };
303
304 static QemuOptsList qemu_option_rom_opts = {
305 .name = "option-rom",
306 .implied_opt_name = "romfile",
307 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
308 .desc = {
309 {
310 .name = "bootindex",
311 .type = QEMU_OPT_NUMBER,
312 }, {
313 .name = "romfile",
314 .type = QEMU_OPT_STRING,
315 },
316 { /* end of list */ }
317 },
318 };
319
320 static QemuOptsList qemu_machine_opts = {
321 .name = "machine",
322 .implied_opt_name = "type",
323 .merge_lists = true,
324 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
325 .desc = {
326 {
327 .name = "type",
328 .type = QEMU_OPT_STRING,
329 .help = "emulated machine"
330 }, {
331 .name = "accel",
332 .type = QEMU_OPT_STRING,
333 .help = "accelerator list",
334 }, {
335 .name = "kernel_irqchip",
336 .type = QEMU_OPT_BOOL,
337 .help = "use KVM in-kernel irqchip",
338 }, {
339 .name = "kvm_shadow_mem",
340 .type = QEMU_OPT_SIZE,
341 .help = "KVM shadow MMU size",
342 }, {
343 .name = "kernel",
344 .type = QEMU_OPT_STRING,
345 .help = "Linux kernel image file",
346 }, {
347 .name = "initrd",
348 .type = QEMU_OPT_STRING,
349 .help = "Linux initial ramdisk file",
350 }, {
351 .name = "append",
352 .type = QEMU_OPT_STRING,
353 .help = "Linux kernel command line",
354 }, {
355 .name = "dtb",
356 .type = QEMU_OPT_STRING,
357 .help = "Linux kernel device tree file",
358 }, {
359 .name = "dumpdtb",
360 .type = QEMU_OPT_STRING,
361 .help = "Dump current dtb to a file and quit",
362 }, {
363 .name = "phandle_start",
364 .type = QEMU_OPT_NUMBER,
365 .help = "The first phandle ID we may generate dynamically",
366 }, {
367 .name = "dt_compatible",
368 .type = QEMU_OPT_STRING,
369 .help = "Overrides the \"compatible\" property of the dt root node",
370 }, {
371 .name = "dump-guest-core",
372 .type = QEMU_OPT_BOOL,
373 .help = "Include guest memory in a core dump",
374 }, {
375 .name = "mem-merge",
376 .type = QEMU_OPT_BOOL,
377 .help = "enable/disable memory merge support",
378 },{
379 .name = "usb",
380 .type = QEMU_OPT_BOOL,
381 .help = "Set on/off to enable/disable usb",
382 },{
383 .name = "firmware",
384 .type = QEMU_OPT_STRING,
385 .help = "firmware image",
386 },{
387 .name = "kvm-type",
388 .type = QEMU_OPT_STRING,
389 .help = "Specifies the KVM virtualization mode (HV, PR)",
390 },{
391 .name = PC_MACHINE_MAX_RAM_BELOW_4G,
392 .type = QEMU_OPT_SIZE,
393 .help = "maximum ram below the 4G boundary (32bit boundary)",
394 },{
395 .name = "iommu",
396 .type = QEMU_OPT_BOOL,
397 .help = "Set on/off to enable/disable Intel IOMMU (VT-d)",
398 },
399 { /* End of list */ }
400 },
401 };
402
403 static QemuOptsList qemu_boot_opts = {
404 .name = "boot-opts",
405 .implied_opt_name = "order",
406 .merge_lists = true,
407 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
408 .desc = {
409 {
410 .name = "order",
411 .type = QEMU_OPT_STRING,
412 }, {
413 .name = "once",
414 .type = QEMU_OPT_STRING,
415 }, {
416 .name = "menu",
417 .type = QEMU_OPT_BOOL,
418 }, {
419 .name = "splash",
420 .type = QEMU_OPT_STRING,
421 }, {
422 .name = "splash-time",
423 .type = QEMU_OPT_STRING,
424 }, {
425 .name = "reboot-timeout",
426 .type = QEMU_OPT_STRING,
427 }, {
428 .name = "strict",
429 .type = QEMU_OPT_BOOL,
430 },
431 { /*End of list */ }
432 },
433 };
434
435 static QemuOptsList qemu_add_fd_opts = {
436 .name = "add-fd",
437 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
438 .desc = {
439 {
440 .name = "fd",
441 .type = QEMU_OPT_NUMBER,
442 .help = "file descriptor of which a duplicate is added to fd set",
443 },{
444 .name = "set",
445 .type = QEMU_OPT_NUMBER,
446 .help = "ID of the fd set to add fd to",
447 },{
448 .name = "opaque",
449 .type = QEMU_OPT_STRING,
450 .help = "free-form string used to describe fd",
451 },
452 { /* end of list */ }
453 },
454 };
455
456 static QemuOptsList qemu_object_opts = {
457 .name = "object",
458 .implied_opt_name = "qom-type",
459 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
460 .desc = {
461 { }
462 },
463 };
464
465 static QemuOptsList qemu_tpmdev_opts = {
466 .name = "tpmdev",
467 .implied_opt_name = "type",
468 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
469 .desc = {
470 /* options are defined in the TPM backends */
471 { /* end of list */ }
472 },
473 };
474
475 static QemuOptsList qemu_realtime_opts = {
476 .name = "realtime",
477 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
478 .desc = {
479 {
480 .name = "mlock",
481 .type = QEMU_OPT_BOOL,
482 },
483 { /* end of list */ }
484 },
485 };
486
487 static QemuOptsList qemu_msg_opts = {
488 .name = "msg",
489 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
490 .desc = {
491 {
492 .name = "timestamp",
493 .type = QEMU_OPT_BOOL,
494 },
495 { /* end of list */ }
496 },
497 };
498
499 static QemuOptsList qemu_name_opts = {
500 .name = "name",
501 .implied_opt_name = "guest",
502 .merge_lists = true,
503 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
504 .desc = {
505 {
506 .name = "guest",
507 .type = QEMU_OPT_STRING,
508 .help = "Sets the name of the guest.\n"
509 "This name will be displayed in the SDL window caption.\n"
510 "The name will also be used for the VNC server",
511 }, {
512 .name = "process",
513 .type = QEMU_OPT_STRING,
514 .help = "Sets the name of the QEMU process, as shown in top etc",
515 }, {
516 .name = "debug-threads",
517 .type = QEMU_OPT_BOOL,
518 .help = "When enabled, name the individual threads; defaults off.\n"
519 "NOTE: The thread names are for debugging and not a\n"
520 "stable API.",
521 },
522 { /* End of list */ }
523 },
524 };
525
526 static QemuOptsList qemu_mem_opts = {
527 .name = "memory",
528 .implied_opt_name = "size",
529 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
530 .merge_lists = true,
531 .desc = {
532 {
533 .name = "size",
534 .type = QEMU_OPT_SIZE,
535 },
536 {
537 .name = "slots",
538 .type = QEMU_OPT_NUMBER,
539 },
540 {
541 .name = "maxmem",
542 .type = QEMU_OPT_SIZE,
543 },
544 { /* end of list */ }
545 },
546 };
547
548 static QemuOptsList qemu_icount_opts = {
549 .name = "icount",
550 .implied_opt_name = "shift",
551 .merge_lists = true,
552 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
553 .desc = {
554 {
555 .name = "shift",
556 .type = QEMU_OPT_STRING,
557 }, {
558 .name = "align",
559 .type = QEMU_OPT_BOOL,
560 },
561 { /* end of list */ }
562 },
563 };
564
565 /**
566 * Get machine options
567 *
568 * Returns: machine options (never null).
569 */
570 QemuOpts *qemu_get_machine_opts(void)
571 {
572 return qemu_find_opts_singleton("machine");
573 }
574
575 const char *qemu_get_vm_name(void)
576 {
577 return qemu_name;
578 }
579
580 static void res_free(void)
581 {
582 if (boot_splash_filedata != NULL) {
583 g_free(boot_splash_filedata);
584 boot_splash_filedata = NULL;
585 }
586 }
587
588 static int default_driver_check(QemuOpts *opts, void *opaque)
589 {
590 const char *driver = qemu_opt_get(opts, "driver");
591 int i;
592
593 if (!driver)
594 return 0;
595 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
596 if (strcmp(default_list[i].driver, driver) != 0)
597 continue;
598 *(default_list[i].flag) = 0;
599 }
600 return 0;
601 }
602
603 /***********************************************************/
604 /* QEMU state */
605
606 static RunState current_run_state = RUN_STATE_PRELAUNCH;
607
608 /* We use RUN_STATE_MAX but any invalid value will do */
609 static RunState vmstop_requested = RUN_STATE_MAX;
610 static QemuMutex vmstop_lock;
611
612 typedef struct {
613 RunState from;
614 RunState to;
615 } RunStateTransition;
616
617 static const RunStateTransition runstate_transitions_def[] = {
618 /* from -> to */
619 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
620 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
621
622 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
623 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
624
625 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
626 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
627
628 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
629 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
630
631 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
632 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
633
634 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
635 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
636
637 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
638 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
639 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
640
641 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
642 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
643
644 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
645
646 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
647 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
648 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
649 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
650 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
651 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
652 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
653 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
654 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
655 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
656
657 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
658
659 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
660 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
661
662 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
663 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
664 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
665 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
666
667 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
668 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
669
670 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
671 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
672
673 { RUN_STATE_MAX, RUN_STATE_MAX },
674 };
675
676 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
677
678 bool runstate_check(RunState state)
679 {
680 return current_run_state == state;
681 }
682
683 static void runstate_init(void)
684 {
685 const RunStateTransition *p;
686
687 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
688 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
689 runstate_valid_transitions[p->from][p->to] = true;
690 }
691
692 qemu_mutex_init(&vmstop_lock);
693 }
694
695 /* This function will abort() on invalid state transitions */
696 void runstate_set(RunState new_state)
697 {
698 assert(new_state < RUN_STATE_MAX);
699
700 if (!runstate_valid_transitions[current_run_state][new_state]) {
701 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
702 RunState_lookup[current_run_state],
703 RunState_lookup[new_state]);
704 abort();
705 }
706 trace_runstate_set(new_state);
707 current_run_state = new_state;
708 }
709
710 int runstate_is_running(void)
711 {
712 return runstate_check(RUN_STATE_RUNNING);
713 }
714
715 bool runstate_needs_reset(void)
716 {
717 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
718 runstate_check(RUN_STATE_SHUTDOWN);
719 }
720
721 StatusInfo *qmp_query_status(Error **errp)
722 {
723 StatusInfo *info = g_malloc0(sizeof(*info));
724
725 info->running = runstate_is_running();
726 info->singlestep = singlestep;
727 info->status = current_run_state;
728
729 return info;
730 }
731
732 static bool qemu_vmstop_requested(RunState *r)
733 {
734 qemu_mutex_lock(&vmstop_lock);
735 *r = vmstop_requested;
736 vmstop_requested = RUN_STATE_MAX;
737 qemu_mutex_unlock(&vmstop_lock);
738 return *r < RUN_STATE_MAX;
739 }
740
741 void qemu_system_vmstop_request_prepare(void)
742 {
743 qemu_mutex_lock(&vmstop_lock);
744 }
745
746 void qemu_system_vmstop_request(RunState state)
747 {
748 vmstop_requested = state;
749 qemu_mutex_unlock(&vmstop_lock);
750 qemu_notify_event();
751 }
752
753 void vm_start(void)
754 {
755 RunState requested;
756
757 qemu_vmstop_requested(&requested);
758 if (runstate_is_running() && requested == RUN_STATE_MAX) {
759 return;
760 }
761
762 /* Ensure that a STOP/RESUME pair of events is emitted if a
763 * vmstop request was pending. The BLOCK_IO_ERROR event, for
764 * example, according to documentation is always followed by
765 * the STOP event.
766 */
767 if (runstate_is_running()) {
768 qapi_event_send_stop(&error_abort);
769 } else {
770 cpu_enable_ticks();
771 runstate_set(RUN_STATE_RUNNING);
772 vm_state_notify(1, RUN_STATE_RUNNING);
773 resume_all_vcpus();
774 }
775
776 qapi_event_send_resume(&error_abort);
777 }
778
779
780 /***********************************************************/
781 /* real time host monotonic timer */
782
783 /***********************************************************/
784 /* host time/date access */
785 void qemu_get_timedate(struct tm *tm, int offset)
786 {
787 time_t ti;
788
789 time(&ti);
790 ti += offset;
791 if (rtc_date_offset == -1) {
792 if (rtc_utc)
793 gmtime_r(&ti, tm);
794 else
795 localtime_r(&ti, tm);
796 } else {
797 ti -= rtc_date_offset;
798 gmtime_r(&ti, tm);
799 }
800 }
801
802 int qemu_timedate_diff(struct tm *tm)
803 {
804 time_t seconds;
805
806 if (rtc_date_offset == -1)
807 if (rtc_utc)
808 seconds = mktimegm(tm);
809 else {
810 struct tm tmp = *tm;
811 tmp.tm_isdst = -1; /* use timezone to figure it out */
812 seconds = mktime(&tmp);
813 }
814 else
815 seconds = mktimegm(tm) + rtc_date_offset;
816
817 return seconds - time(NULL);
818 }
819
820 static void configure_rtc_date_offset(const char *startdate, int legacy)
821 {
822 time_t rtc_start_date;
823 struct tm tm;
824
825 if (!strcmp(startdate, "now") && legacy) {
826 rtc_date_offset = -1;
827 } else {
828 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
829 &tm.tm_year,
830 &tm.tm_mon,
831 &tm.tm_mday,
832 &tm.tm_hour,
833 &tm.tm_min,
834 &tm.tm_sec) == 6) {
835 /* OK */
836 } else if (sscanf(startdate, "%d-%d-%d",
837 &tm.tm_year,
838 &tm.tm_mon,
839 &tm.tm_mday) == 3) {
840 tm.tm_hour = 0;
841 tm.tm_min = 0;
842 tm.tm_sec = 0;
843 } else {
844 goto date_fail;
845 }
846 tm.tm_year -= 1900;
847 tm.tm_mon--;
848 rtc_start_date = mktimegm(&tm);
849 if (rtc_start_date == -1) {
850 date_fail:
851 fprintf(stderr, "Invalid date format. Valid formats are:\n"
852 "'2006-06-17T16:01:21' or '2006-06-17'\n");
853 exit(1);
854 }
855 rtc_date_offset = time(NULL) - rtc_start_date;
856 }
857 }
858
859 static void configure_rtc(QemuOpts *opts)
860 {
861 const char *value;
862
863 value = qemu_opt_get(opts, "base");
864 if (value) {
865 if (!strcmp(value, "utc")) {
866 rtc_utc = 1;
867 } else if (!strcmp(value, "localtime")) {
868 rtc_utc = 0;
869 } else {
870 configure_rtc_date_offset(value, 0);
871 }
872 }
873 value = qemu_opt_get(opts, "clock");
874 if (value) {
875 if (!strcmp(value, "host")) {
876 rtc_clock = QEMU_CLOCK_HOST;
877 } else if (!strcmp(value, "rt")) {
878 rtc_clock = QEMU_CLOCK_REALTIME;
879 } else if (!strcmp(value, "vm")) {
880 rtc_clock = QEMU_CLOCK_VIRTUAL;
881 } else {
882 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
883 exit(1);
884 }
885 }
886 value = qemu_opt_get(opts, "driftfix");
887 if (value) {
888 if (!strcmp(value, "slew")) {
889 static GlobalProperty slew_lost_ticks[] = {
890 {
891 .driver = "mc146818rtc",
892 .property = "lost_tick_policy",
893 .value = "slew",
894 },
895 { /* end of list */ }
896 };
897
898 qdev_prop_register_global_list(slew_lost_ticks);
899 } else if (!strcmp(value, "none")) {
900 /* discard is default */
901 } else {
902 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
903 exit(1);
904 }
905 }
906 }
907
908 /***********************************************************/
909 /* Bluetooth support */
910 static int nb_hcis;
911 static int cur_hci;
912 static struct HCIInfo *hci_table[MAX_NICS];
913
914 struct HCIInfo *qemu_next_hci(void)
915 {
916 if (cur_hci == nb_hcis)
917 return &null_hci;
918
919 return hci_table[cur_hci++];
920 }
921
922 static int bt_hci_parse(const char *str)
923 {
924 struct HCIInfo *hci;
925 bdaddr_t bdaddr;
926
927 if (nb_hcis >= MAX_NICS) {
928 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
929 return -1;
930 }
931
932 hci = hci_init(str);
933 if (!hci)
934 return -1;
935
936 bdaddr.b[0] = 0x52;
937 bdaddr.b[1] = 0x54;
938 bdaddr.b[2] = 0x00;
939 bdaddr.b[3] = 0x12;
940 bdaddr.b[4] = 0x34;
941 bdaddr.b[5] = 0x56 + nb_hcis;
942 hci->bdaddr_set(hci, bdaddr.b);
943
944 hci_table[nb_hcis++] = hci;
945
946 return 0;
947 }
948
949 static void bt_vhci_add(int vlan_id)
950 {
951 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
952
953 if (!vlan->slave)
954 fprintf(stderr, "qemu: warning: adding a VHCI to "
955 "an empty scatternet %i\n", vlan_id);
956
957 bt_vhci_init(bt_new_hci(vlan));
958 }
959
960 static struct bt_device_s *bt_device_add(const char *opt)
961 {
962 struct bt_scatternet_s *vlan;
963 int vlan_id = 0;
964 char *endp = strstr(opt, ",vlan=");
965 int len = (endp ? endp - opt : strlen(opt)) + 1;
966 char devname[10];
967
968 pstrcpy(devname, MIN(sizeof(devname), len), opt);
969
970 if (endp) {
971 vlan_id = strtol(endp + 6, &endp, 0);
972 if (*endp) {
973 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
974 return 0;
975 }
976 }
977
978 vlan = qemu_find_bt_vlan(vlan_id);
979
980 if (!vlan->slave)
981 fprintf(stderr, "qemu: warning: adding a slave device to "
982 "an empty scatternet %i\n", vlan_id);
983
984 if (!strcmp(devname, "keyboard"))
985 return bt_keyboard_init(vlan);
986
987 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
988 return 0;
989 }
990
991 static int bt_parse(const char *opt)
992 {
993 const char *endp, *p;
994 int vlan;
995
996 if (strstart(opt, "hci", &endp)) {
997 if (!*endp || *endp == ',') {
998 if (*endp)
999 if (!strstart(endp, ",vlan=", 0))
1000 opt = endp + 1;
1001
1002 return bt_hci_parse(opt);
1003 }
1004 } else if (strstart(opt, "vhci", &endp)) {
1005 if (!*endp || *endp == ',') {
1006 if (*endp) {
1007 if (strstart(endp, ",vlan=", &p)) {
1008 vlan = strtol(p, (char **) &endp, 0);
1009 if (*endp) {
1010 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
1011 return 1;
1012 }
1013 } else {
1014 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
1015 return 1;
1016 }
1017 } else
1018 vlan = 0;
1019
1020 bt_vhci_add(vlan);
1021 return 0;
1022 }
1023 } else if (strstart(opt, "device:", &endp))
1024 return !bt_device_add(endp);
1025
1026 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
1027 return 1;
1028 }
1029
1030 static int parse_sandbox(QemuOpts *opts, void *opaque)
1031 {
1032 /* FIXME: change this to true for 1.3 */
1033 if (qemu_opt_get_bool(opts, "enable", false)) {
1034 #ifdef CONFIG_SECCOMP
1035 if (seccomp_start() < 0) {
1036 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1037 "failed to install seccomp syscall filter in the kernel");
1038 return -1;
1039 }
1040 #else
1041 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1042 "sandboxing request but seccomp is not compiled into this build");
1043 return -1;
1044 #endif
1045 }
1046
1047 return 0;
1048 }
1049
1050 static int parse_name(QemuOpts *opts, void *opaque)
1051 {
1052 const char *proc_name;
1053
1054 if (qemu_opt_get(opts, "debug-threads")) {
1055 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1056 }
1057 qemu_name = qemu_opt_get(opts, "guest");
1058
1059 proc_name = qemu_opt_get(opts, "process");
1060 if (proc_name) {
1061 os_set_proc_name(proc_name);
1062 }
1063
1064 return 0;
1065 }
1066
1067 bool usb_enabled(bool default_usb)
1068 {
1069 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb",
1070 has_defaults && default_usb);
1071 }
1072
1073 #ifndef _WIN32
1074 static int parse_add_fd(QemuOpts *opts, void *opaque)
1075 {
1076 int fd, dupfd, flags;
1077 int64_t fdset_id;
1078 const char *fd_opaque = NULL;
1079
1080 fd = qemu_opt_get_number(opts, "fd", -1);
1081 fdset_id = qemu_opt_get_number(opts, "set", -1);
1082 fd_opaque = qemu_opt_get(opts, "opaque");
1083
1084 if (fd < 0) {
1085 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1086 "fd option is required and must be non-negative");
1087 return -1;
1088 }
1089
1090 if (fd <= STDERR_FILENO) {
1091 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1092 "fd cannot be a standard I/O stream");
1093 return -1;
1094 }
1095
1096 /*
1097 * All fds inherited across exec() necessarily have FD_CLOEXEC
1098 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1099 */
1100 flags = fcntl(fd, F_GETFD);
1101 if (flags == -1 || (flags & FD_CLOEXEC)) {
1102 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1103 "fd is not valid or already in use");
1104 return -1;
1105 }
1106
1107 if (fdset_id < 0) {
1108 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1109 "set option is required and must be non-negative");
1110 return -1;
1111 }
1112
1113 #ifdef F_DUPFD_CLOEXEC
1114 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1115 #else
1116 dupfd = dup(fd);
1117 if (dupfd != -1) {
1118 qemu_set_cloexec(dupfd);
1119 }
1120 #endif
1121 if (dupfd == -1) {
1122 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1123 "Error duplicating fd: %s", strerror(errno));
1124 return -1;
1125 }
1126
1127 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1128 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1129 fd_opaque, NULL);
1130
1131 return 0;
1132 }
1133
1134 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1135 {
1136 int fd;
1137
1138 fd = qemu_opt_get_number(opts, "fd", -1);
1139 close(fd);
1140
1141 return 0;
1142 }
1143 #endif
1144
1145 /***********************************************************/
1146 /* QEMU Block devices */
1147
1148 #define HD_OPTS "media=disk"
1149 #define CDROM_OPTS "media=cdrom"
1150 #define FD_OPTS ""
1151 #define PFLASH_OPTS ""
1152 #define MTD_OPTS ""
1153 #define SD_OPTS ""
1154
1155 static int drive_init_func(QemuOpts *opts, void *opaque)
1156 {
1157 BlockInterfaceType *block_default_type = opaque;
1158
1159 return drive_new(opts, *block_default_type) == NULL;
1160 }
1161
1162 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1163 {
1164 if (qemu_opt_get(opts, "snapshot") == NULL) {
1165 qemu_opt_set(opts, "snapshot", "on");
1166 }
1167 return 0;
1168 }
1169
1170 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1171 int index, const char *optstr)
1172 {
1173 QemuOpts *opts;
1174
1175 if (!enable || drive_get_by_index(type, index)) {
1176 return;
1177 }
1178
1179 opts = drive_add(type, index, NULL, optstr);
1180 if (snapshot) {
1181 drive_enable_snapshot(opts, NULL);
1182 }
1183 if (!drive_new(opts, type)) {
1184 exit(1);
1185 }
1186 }
1187
1188 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1189 {
1190 boot_set_handler = func;
1191 boot_set_opaque = opaque;
1192 }
1193
1194 int qemu_boot_set(const char *boot_order)
1195 {
1196 if (!boot_set_handler) {
1197 return -EINVAL;
1198 }
1199 return boot_set_handler(boot_set_opaque, boot_order);
1200 }
1201
1202 static void validate_bootdevices(const char *devices)
1203 {
1204 /* We just do some generic consistency checks */
1205 const char *p;
1206 int bitmap = 0;
1207
1208 for (p = devices; *p != '\0'; p++) {
1209 /* Allowed boot devices are:
1210 * a-b: floppy disk drives
1211 * c-f: IDE disk drives
1212 * g-m: machine implementation dependent drives
1213 * n-p: network devices
1214 * It's up to each machine implementation to check if the given boot
1215 * devices match the actual hardware implementation and firmware
1216 * features.
1217 */
1218 if (*p < 'a' || *p > 'p') {
1219 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1220 exit(1);
1221 }
1222 if (bitmap & (1 << (*p - 'a'))) {
1223 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1224 exit(1);
1225 }
1226 bitmap |= 1 << (*p - 'a');
1227 }
1228 }
1229
1230 static void restore_boot_order(void *opaque)
1231 {
1232 char *normal_boot_order = opaque;
1233 static int first = 1;
1234
1235 /* Restore boot order and remove ourselves after the first boot */
1236 if (first) {
1237 first = 0;
1238 return;
1239 }
1240
1241 qemu_boot_set(normal_boot_order);
1242
1243 qemu_unregister_reset(restore_boot_order, normal_boot_order);
1244 g_free(normal_boot_order);
1245 }
1246
1247 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
1248 const char *suffix)
1249 {
1250 FWBootEntry *node, *i;
1251
1252 if (bootindex < 0) {
1253 return;
1254 }
1255
1256 assert(dev != NULL || suffix != NULL);
1257
1258 node = g_malloc0(sizeof(FWBootEntry));
1259 node->bootindex = bootindex;
1260 node->suffix = g_strdup(suffix);
1261 node->dev = dev;
1262
1263 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1264 if (i->bootindex == bootindex) {
1265 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1266 exit(1);
1267 } else if (i->bootindex < bootindex) {
1268 continue;
1269 }
1270 QTAILQ_INSERT_BEFORE(i, node, link);
1271 return;
1272 }
1273 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1274 }
1275
1276 DeviceState *get_boot_device(uint32_t position)
1277 {
1278 uint32_t counter = 0;
1279 FWBootEntry *i = NULL;
1280 DeviceState *res = NULL;
1281
1282 if (!QTAILQ_EMPTY(&fw_boot_order)) {
1283 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1284 if (counter == position) {
1285 res = i->dev;
1286 break;
1287 }
1288 counter++;
1289 }
1290 }
1291 return res;
1292 }
1293
1294 /*
1295 * This function returns null terminated string that consist of new line
1296 * separated device paths.
1297 *
1298 * memory pointed by "size" is assigned total length of the array in bytes
1299 *
1300 */
1301 char *get_boot_devices_list(size_t *size, bool ignore_suffixes)
1302 {
1303 FWBootEntry *i;
1304 size_t total = 0;
1305 char *list = NULL;
1306
1307 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1308 char *devpath = NULL, *bootpath;
1309 size_t len;
1310
1311 if (i->dev) {
1312 devpath = qdev_get_fw_dev_path(i->dev);
1313 assert(devpath);
1314 }
1315
1316 if (i->suffix && !ignore_suffixes && devpath) {
1317 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1318
1319 bootpath = g_malloc(bootpathlen);
1320 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1321 g_free(devpath);
1322 } else if (devpath) {
1323 bootpath = devpath;
1324 } else if (!ignore_suffixes) {
1325 assert(i->suffix);
1326 bootpath = g_strdup(i->suffix);
1327 } else {
1328 bootpath = g_strdup("");
1329 }
1330
1331 if (total) {
1332 list[total-1] = '\n';
1333 }
1334 len = strlen(bootpath) + 1;
1335 list = g_realloc(list, total + len);
1336 memcpy(&list[total], bootpath, len);
1337 total += len;
1338 g_free(bootpath);
1339 }
1340
1341 *size = total;
1342
1343 if (boot_strict && *size > 0) {
1344 list[total-1] = '\n';
1345 list = g_realloc(list, total + 5);
1346 memcpy(&list[total], "HALT", 5);
1347 *size = total + 5;
1348 }
1349 return list;
1350 }
1351
1352 static QemuOptsList qemu_smp_opts = {
1353 .name = "smp-opts",
1354 .implied_opt_name = "cpus",
1355 .merge_lists = true,
1356 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1357 .desc = {
1358 {
1359 .name = "cpus",
1360 .type = QEMU_OPT_NUMBER,
1361 }, {
1362 .name = "sockets",
1363 .type = QEMU_OPT_NUMBER,
1364 }, {
1365 .name = "cores",
1366 .type = QEMU_OPT_NUMBER,
1367 }, {
1368 .name = "threads",
1369 .type = QEMU_OPT_NUMBER,
1370 }, {
1371 .name = "maxcpus",
1372 .type = QEMU_OPT_NUMBER,
1373 },
1374 { /*End of list */ }
1375 },
1376 };
1377
1378 static void smp_parse(QemuOpts *opts)
1379 {
1380 if (opts) {
1381
1382 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1383 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1384 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1385 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1386
1387 /* compute missing values, prefer sockets over cores over threads */
1388 if (cpus == 0 || sockets == 0) {
1389 sockets = sockets > 0 ? sockets : 1;
1390 cores = cores > 0 ? cores : 1;
1391 threads = threads > 0 ? threads : 1;
1392 if (cpus == 0) {
1393 cpus = cores * threads * sockets;
1394 }
1395 } else {
1396 if (cores == 0) {
1397 threads = threads > 0 ? threads : 1;
1398 cores = cpus / (sockets * threads);
1399 } else {
1400 threads = cpus / (cores * sockets);
1401 }
1402 }
1403
1404 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1405
1406 smp_cpus = cpus;
1407 smp_cores = cores > 0 ? cores : 1;
1408 smp_threads = threads > 0 ? threads : 1;
1409
1410 }
1411
1412 if (max_cpus == 0) {
1413 max_cpus = smp_cpus;
1414 }
1415
1416 if (max_cpus > MAX_CPUMASK_BITS) {
1417 fprintf(stderr, "Unsupported number of maxcpus\n");
1418 exit(1);
1419 }
1420 if (max_cpus < smp_cpus) {
1421 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1422 exit(1);
1423 }
1424
1425 }
1426
1427 static void configure_realtime(QemuOpts *opts)
1428 {
1429 bool enable_mlock;
1430
1431 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
1432
1433 if (enable_mlock) {
1434 if (os_mlock() < 0) {
1435 fprintf(stderr, "qemu: locking memory failed\n");
1436 exit(1);
1437 }
1438 }
1439 }
1440
1441
1442 static void configure_msg(QemuOpts *opts)
1443 {
1444 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1445 }
1446
1447 /***********************************************************/
1448 /* USB devices */
1449
1450 static int usb_device_add(const char *devname)
1451 {
1452 USBDevice *dev = NULL;
1453 #ifndef CONFIG_LINUX
1454 const char *p;
1455 #endif
1456
1457 if (!usb_enabled(false)) {
1458 return -1;
1459 }
1460
1461 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1462 dev = usbdevice_create(devname);
1463 if (dev)
1464 goto done;
1465
1466 /* the other ones */
1467 #ifndef CONFIG_LINUX
1468 /* only the linux version is qdev-ified, usb-bsd still needs this */
1469 if (strstart(devname, "host:", &p)) {
1470 dev = usb_host_device_open(usb_bus_find(-1), p);
1471 }
1472 #endif
1473 if (!dev)
1474 return -1;
1475
1476 done:
1477 return 0;
1478 }
1479
1480 static int usb_device_del(const char *devname)
1481 {
1482 int bus_num, addr;
1483 const char *p;
1484
1485 if (strstart(devname, "host:", &p)) {
1486 return -1;
1487 }
1488
1489 if (!usb_enabled(false)) {
1490 return -1;
1491 }
1492
1493 p = strchr(devname, '.');
1494 if (!p)
1495 return -1;
1496 bus_num = strtoul(devname, NULL, 0);
1497 addr = strtoul(p + 1, NULL, 0);
1498
1499 return usb_device_delete_addr(bus_num, addr);
1500 }
1501
1502 static int usb_parse(const char *cmdline)
1503 {
1504 int r;
1505 r = usb_device_add(cmdline);
1506 if (r < 0) {
1507 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1508 }
1509 return r;
1510 }
1511
1512 void do_usb_add(Monitor *mon, const QDict *qdict)
1513 {
1514 const char *devname = qdict_get_str(qdict, "devname");
1515 if (usb_device_add(devname) < 0) {
1516 error_report("could not add USB device '%s'", devname);
1517 }
1518 }
1519
1520 void do_usb_del(Monitor *mon, const QDict *qdict)
1521 {
1522 const char *devname = qdict_get_str(qdict, "devname");
1523 if (usb_device_del(devname) < 0) {
1524 error_report("could not delete USB device '%s'", devname);
1525 }
1526 }
1527
1528 /***********************************************************/
1529 /* PCMCIA/Cardbus */
1530
1531 static struct pcmcia_socket_entry_s {
1532 PCMCIASocket *socket;
1533 struct pcmcia_socket_entry_s *next;
1534 } *pcmcia_sockets = 0;
1535
1536 void pcmcia_socket_register(PCMCIASocket *socket)
1537 {
1538 struct pcmcia_socket_entry_s *entry;
1539
1540 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1541 entry->socket = socket;
1542 entry->next = pcmcia_sockets;
1543 pcmcia_sockets = entry;
1544 }
1545
1546 void pcmcia_socket_unregister(PCMCIASocket *socket)
1547 {
1548 struct pcmcia_socket_entry_s *entry, **ptr;
1549
1550 ptr = &pcmcia_sockets;
1551 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1552 if (entry->socket == socket) {
1553 *ptr = entry->next;
1554 g_free(entry);
1555 }
1556 }
1557
1558 void pcmcia_info(Monitor *mon, const QDict *qdict)
1559 {
1560 struct pcmcia_socket_entry_s *iter;
1561
1562 if (!pcmcia_sockets)
1563 monitor_printf(mon, "No PCMCIA sockets\n");
1564
1565 for (iter = pcmcia_sockets; iter; iter = iter->next)
1566 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1567 iter->socket->attached ? iter->socket->card_string :
1568 "Empty");
1569 }
1570
1571 /***********************************************************/
1572 /* machine registration */
1573
1574 MachineState *current_machine;
1575
1576 static void machine_class_init(ObjectClass *oc, void *data)
1577 {
1578 MachineClass *mc = MACHINE_CLASS(oc);
1579 QEMUMachine *qm = data;
1580
1581 mc->name = qm->name;
1582 mc->alias = qm->alias;
1583 mc->desc = qm->desc;
1584 mc->init = qm->init;
1585 mc->reset = qm->reset;
1586 mc->hot_add_cpu = qm->hot_add_cpu;
1587 mc->kvm_type = qm->kvm_type;
1588 mc->block_default_type = qm->block_default_type;
1589 mc->max_cpus = qm->max_cpus;
1590 mc->no_serial = qm->no_serial;
1591 mc->no_parallel = qm->no_parallel;
1592 mc->use_virtcon = qm->use_virtcon;
1593 mc->use_sclp = qm->use_sclp;
1594 mc->no_floppy = qm->no_floppy;
1595 mc->no_cdrom = qm->no_cdrom;
1596 mc->no_sdcard = qm->no_sdcard;
1597 mc->is_default = qm->is_default;
1598 mc->default_machine_opts = qm->default_machine_opts;
1599 mc->default_boot_order = qm->default_boot_order;
1600 mc->compat_props = qm->compat_props;
1601 mc->hw_version = qm->hw_version;
1602 }
1603
1604 int qemu_register_machine(QEMUMachine *m)
1605 {
1606 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1607 TypeInfo ti = {
1608 .name = name,
1609 .parent = TYPE_MACHINE,
1610 .class_init = machine_class_init,
1611 .class_data = (void *)m,
1612 };
1613
1614 type_register(&ti);
1615 g_free(name);
1616
1617 return 0;
1618 }
1619
1620 static MachineClass *find_machine(const char *name)
1621 {
1622 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1623 MachineClass *mc = NULL;
1624
1625 for (el = machines; el; el = el->next) {
1626 MachineClass *temp = el->data;
1627
1628 if (!strcmp(temp->name, name)) {
1629 mc = temp;
1630 break;
1631 }
1632 if (temp->alias &&
1633 !strcmp(temp->alias, name)) {
1634 mc = temp;
1635 break;
1636 }
1637 }
1638
1639 g_slist_free(machines);
1640 return mc;
1641 }
1642
1643 MachineClass *find_default_machine(void)
1644 {
1645 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1646 MachineClass *mc = NULL;
1647
1648 for (el = machines; el; el = el->next) {
1649 MachineClass *temp = el->data;
1650
1651 if (temp->is_default) {
1652 mc = temp;
1653 break;
1654 }
1655 }
1656
1657 g_slist_free(machines);
1658 return mc;
1659 }
1660
1661 MachineInfoList *qmp_query_machines(Error **errp)
1662 {
1663 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1664 MachineInfoList *mach_list = NULL;
1665
1666 for (el = machines; el; el = el->next) {
1667 MachineClass *mc = el->data;
1668 MachineInfoList *entry;
1669 MachineInfo *info;
1670
1671 info = g_malloc0(sizeof(*info));
1672 if (mc->is_default) {
1673 info->has_is_default = true;
1674 info->is_default = true;
1675 }
1676
1677 if (mc->alias) {
1678 info->has_alias = true;
1679 info->alias = g_strdup(mc->alias);
1680 }
1681
1682 info->name = g_strdup(mc->name);
1683 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1684
1685 entry = g_malloc0(sizeof(*entry));
1686 entry->value = info;
1687 entry->next = mach_list;
1688 mach_list = entry;
1689 }
1690
1691 g_slist_free(machines);
1692 return mach_list;
1693 }
1694
1695 /***********************************************************/
1696 /* main execution loop */
1697
1698 struct vm_change_state_entry {
1699 VMChangeStateHandler *cb;
1700 void *opaque;
1701 QLIST_ENTRY (vm_change_state_entry) entries;
1702 };
1703
1704 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1705
1706 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1707 void *opaque)
1708 {
1709 VMChangeStateEntry *e;
1710
1711 e = g_malloc0(sizeof (*e));
1712
1713 e->cb = cb;
1714 e->opaque = opaque;
1715 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1716 return e;
1717 }
1718
1719 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1720 {
1721 QLIST_REMOVE (e, entries);
1722 g_free (e);
1723 }
1724
1725 void vm_state_notify(int running, RunState state)
1726 {
1727 VMChangeStateEntry *e;
1728
1729 trace_vm_state_notify(running, state);
1730
1731 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1732 e->cb(e->opaque, running, state);
1733 }
1734 }
1735
1736 /* reset/shutdown handler */
1737
1738 typedef struct QEMUResetEntry {
1739 QTAILQ_ENTRY(QEMUResetEntry) entry;
1740 QEMUResetHandler *func;
1741 void *opaque;
1742 } QEMUResetEntry;
1743
1744 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1745 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1746 static int reset_requested;
1747 static int shutdown_requested, shutdown_signal = -1;
1748 static pid_t shutdown_pid;
1749 static int powerdown_requested;
1750 static int debug_requested;
1751 static int suspend_requested;
1752 static WakeupReason wakeup_reason;
1753 static NotifierList powerdown_notifiers =
1754 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1755 static NotifierList suspend_notifiers =
1756 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1757 static NotifierList wakeup_notifiers =
1758 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1759 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1760
1761 int qemu_shutdown_requested_get(void)
1762 {
1763 return shutdown_requested;
1764 }
1765
1766 int qemu_reset_requested_get(void)
1767 {
1768 return reset_requested;
1769 }
1770
1771 static int qemu_shutdown_requested(void)
1772 {
1773 int r = shutdown_requested;
1774 shutdown_requested = 0;
1775 return r;
1776 }
1777
1778 static void qemu_kill_report(void)
1779 {
1780 if (!qtest_driver() && shutdown_signal != -1) {
1781 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1782 if (shutdown_pid == 0) {
1783 /* This happens for eg ^C at the terminal, so it's worth
1784 * avoiding printing an odd message in that case.
1785 */
1786 fputc('\n', stderr);
1787 } else {
1788 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1789 }
1790 shutdown_signal = -1;
1791 }
1792 }
1793
1794 static int qemu_reset_requested(void)
1795 {
1796 int r = reset_requested;
1797 reset_requested = 0;
1798 return r;
1799 }
1800
1801 static int qemu_suspend_requested(void)
1802 {
1803 int r = suspend_requested;
1804 suspend_requested = 0;
1805 return r;
1806 }
1807
1808 static WakeupReason qemu_wakeup_requested(void)
1809 {
1810 return wakeup_reason;
1811 }
1812
1813 static int qemu_powerdown_requested(void)
1814 {
1815 int r = powerdown_requested;
1816 powerdown_requested = 0;
1817 return r;
1818 }
1819
1820 static int qemu_debug_requested(void)
1821 {
1822 int r = debug_requested;
1823 debug_requested = 0;
1824 return r;
1825 }
1826
1827 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1828 {
1829 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1830
1831 re->func = func;
1832 re->opaque = opaque;
1833 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1834 }
1835
1836 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1837 {
1838 QEMUResetEntry *re;
1839
1840 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1841 if (re->func == func && re->opaque == opaque) {
1842 QTAILQ_REMOVE(&reset_handlers, re, entry);
1843 g_free(re);
1844 return;
1845 }
1846 }
1847 }
1848
1849 void qemu_devices_reset(void)
1850 {
1851 QEMUResetEntry *re, *nre;
1852
1853 /* reset all devices */
1854 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1855 re->func(re->opaque);
1856 }
1857 }
1858
1859 void qemu_system_reset(bool report)
1860 {
1861 MachineClass *mc;
1862
1863 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1864
1865 if (mc && mc->reset) {
1866 mc->reset();
1867 } else {
1868 qemu_devices_reset();
1869 }
1870 if (report) {
1871 qapi_event_send_reset(&error_abort);
1872 }
1873 cpu_synchronize_all_post_reset();
1874 }
1875
1876 void qemu_system_reset_request(void)
1877 {
1878 if (no_reboot) {
1879 shutdown_requested = 1;
1880 } else {
1881 reset_requested = 1;
1882 }
1883 cpu_stop_current();
1884 qemu_notify_event();
1885 }
1886
1887 static void qemu_system_suspend(void)
1888 {
1889 pause_all_vcpus();
1890 notifier_list_notify(&suspend_notifiers, NULL);
1891 runstate_set(RUN_STATE_SUSPENDED);
1892 qapi_event_send_suspend(&error_abort);
1893 }
1894
1895 void qemu_system_suspend_request(void)
1896 {
1897 if (runstate_check(RUN_STATE_SUSPENDED)) {
1898 return;
1899 }
1900 suspend_requested = 1;
1901 cpu_stop_current();
1902 qemu_notify_event();
1903 }
1904
1905 void qemu_register_suspend_notifier(Notifier *notifier)
1906 {
1907 notifier_list_add(&suspend_notifiers, notifier);
1908 }
1909
1910 void qemu_system_wakeup_request(WakeupReason reason)
1911 {
1912 trace_system_wakeup_request(reason);
1913
1914 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1915 return;
1916 }
1917 if (!(wakeup_reason_mask & (1 << reason))) {
1918 return;
1919 }
1920 runstate_set(RUN_STATE_RUNNING);
1921 wakeup_reason = reason;
1922 qemu_notify_event();
1923 }
1924
1925 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1926 {
1927 if (enabled) {
1928 wakeup_reason_mask |= (1 << reason);
1929 } else {
1930 wakeup_reason_mask &= ~(1 << reason);
1931 }
1932 }
1933
1934 void qemu_register_wakeup_notifier(Notifier *notifier)
1935 {
1936 notifier_list_add(&wakeup_notifiers, notifier);
1937 }
1938
1939 void qemu_system_killed(int signal, pid_t pid)
1940 {
1941 shutdown_signal = signal;
1942 shutdown_pid = pid;
1943 no_shutdown = 0;
1944 qemu_system_shutdown_request();
1945 }
1946
1947 void qemu_system_shutdown_request(void)
1948 {
1949 trace_qemu_system_shutdown_request();
1950 shutdown_requested = 1;
1951 qemu_notify_event();
1952 }
1953
1954 static void qemu_system_powerdown(void)
1955 {
1956 qapi_event_send_powerdown(&error_abort);
1957 notifier_list_notify(&powerdown_notifiers, NULL);
1958 }
1959
1960 void qemu_system_powerdown_request(void)
1961 {
1962 trace_qemu_system_powerdown_request();
1963 powerdown_requested = 1;
1964 qemu_notify_event();
1965 }
1966
1967 void qemu_register_powerdown_notifier(Notifier *notifier)
1968 {
1969 notifier_list_add(&powerdown_notifiers, notifier);
1970 }
1971
1972 void qemu_system_debug_request(void)
1973 {
1974 debug_requested = 1;
1975 qemu_notify_event();
1976 }
1977
1978 static bool main_loop_should_exit(void)
1979 {
1980 RunState r;
1981 if (qemu_debug_requested()) {
1982 vm_stop(RUN_STATE_DEBUG);
1983 }
1984 if (qemu_suspend_requested()) {
1985 qemu_system_suspend();
1986 }
1987 if (qemu_shutdown_requested()) {
1988 qemu_kill_report();
1989 qapi_event_send_shutdown(&error_abort);
1990 if (no_shutdown) {
1991 vm_stop(RUN_STATE_SHUTDOWN);
1992 } else {
1993 return true;
1994 }
1995 }
1996 if (qemu_reset_requested()) {
1997 pause_all_vcpus();
1998 cpu_synchronize_all_states();
1999 qemu_system_reset(VMRESET_REPORT);
2000 resume_all_vcpus();
2001 if (runstate_needs_reset()) {
2002 runstate_set(RUN_STATE_PAUSED);
2003 }
2004 }
2005 if (qemu_wakeup_requested()) {
2006 pause_all_vcpus();
2007 cpu_synchronize_all_states();
2008 qemu_system_reset(VMRESET_SILENT);
2009 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
2010 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
2011 resume_all_vcpus();
2012 qapi_event_send_wakeup(&error_abort);
2013 }
2014 if (qemu_powerdown_requested()) {
2015 qemu_system_powerdown();
2016 }
2017 if (qemu_vmstop_requested(&r)) {
2018 vm_stop(r);
2019 }
2020 return false;
2021 }
2022
2023 static void main_loop(void)
2024 {
2025 bool nonblocking;
2026 int last_io = 0;
2027 #ifdef CONFIG_PROFILER
2028 int64_t ti;
2029 #endif
2030 do {
2031 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
2032 #ifdef CONFIG_PROFILER
2033 ti = profile_getclock();
2034 #endif
2035 last_io = main_loop_wait(nonblocking);
2036 #ifdef CONFIG_PROFILER
2037 dev_time += profile_getclock() - ti;
2038 #endif
2039 } while (!main_loop_should_exit());
2040 }
2041
2042 static void version(void)
2043 {
2044 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
2045 }
2046
2047 static void QEMU_NORETURN help(int exitcode)
2048 {
2049 version();
2050 printf("usage: %s [options] [disk_image]\n\n"
2051 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2052 error_get_progname());
2053
2054 #define QEMU_OPTIONS_GENERATE_HELP
2055 #include "qemu-options-wrapper.h"
2056
2057 printf("\nDuring emulation, the following keys are useful:\n"
2058 "ctrl-alt-f toggle full screen\n"
2059 "ctrl-alt-n switch to virtual console 'n'\n"
2060 "ctrl-alt toggle mouse and keyboard grab\n"
2061 "\n"
2062 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2063
2064 exit(exitcode);
2065 }
2066
2067 #define HAS_ARG 0x0001
2068
2069 typedef struct QEMUOption {
2070 const char *name;
2071 int flags;
2072 int index;
2073 uint32_t arch_mask;
2074 } QEMUOption;
2075
2076 static const QEMUOption qemu_options[] = {
2077 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2078 #define QEMU_OPTIONS_GENERATE_OPTIONS
2079 #include "qemu-options-wrapper.h"
2080 { NULL },
2081 };
2082
2083 static bool vga_available(void)
2084 {
2085 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2086 }
2087
2088 static bool cirrus_vga_available(void)
2089 {
2090 return object_class_by_name("cirrus-vga")
2091 || object_class_by_name("isa-cirrus-vga");
2092 }
2093
2094 static bool vmware_vga_available(void)
2095 {
2096 return object_class_by_name("vmware-svga");
2097 }
2098
2099 static bool qxl_vga_available(void)
2100 {
2101 return object_class_by_name("qxl-vga");
2102 }
2103
2104 static bool tcx_vga_available(void)
2105 {
2106 return object_class_by_name("SUNW,tcx");
2107 }
2108
2109 static bool cg3_vga_available(void)
2110 {
2111 return object_class_by_name("cgthree");
2112 }
2113
2114 static void select_vgahw (const char *p)
2115 {
2116 const char *opts;
2117
2118 assert(vga_interface_type == VGA_NONE);
2119 if (strstart(p, "std", &opts)) {
2120 if (vga_available()) {
2121 vga_interface_type = VGA_STD;
2122 } else {
2123 fprintf(stderr, "Error: standard VGA not available\n");
2124 exit(0);
2125 }
2126 } else if (strstart(p, "cirrus", &opts)) {
2127 if (cirrus_vga_available()) {
2128 vga_interface_type = VGA_CIRRUS;
2129 } else {
2130 fprintf(stderr, "Error: Cirrus VGA not available\n");
2131 exit(0);
2132 }
2133 } else if (strstart(p, "vmware", &opts)) {
2134 if (vmware_vga_available()) {
2135 vga_interface_type = VGA_VMWARE;
2136 } else {
2137 fprintf(stderr, "Error: VMWare SVGA not available\n");
2138 exit(0);
2139 }
2140 } else if (strstart(p, "xenfb", &opts)) {
2141 vga_interface_type = VGA_XENFB;
2142 } else if (strstart(p, "qxl", &opts)) {
2143 if (qxl_vga_available()) {
2144 vga_interface_type = VGA_QXL;
2145 } else {
2146 fprintf(stderr, "Error: QXL VGA not available\n");
2147 exit(0);
2148 }
2149 } else if (strstart(p, "tcx", &opts)) {
2150 if (tcx_vga_available()) {
2151 vga_interface_type = VGA_TCX;
2152 } else {
2153 fprintf(stderr, "Error: TCX framebuffer not available\n");
2154 exit(0);
2155 }
2156 } else if (strstart(p, "cg3", &opts)) {
2157 if (cg3_vga_available()) {
2158 vga_interface_type = VGA_CG3;
2159 } else {
2160 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2161 exit(0);
2162 }
2163 } else if (!strstart(p, "none", &opts)) {
2164 invalid_vga:
2165 fprintf(stderr, "Unknown vga type: %s\n", p);
2166 exit(1);
2167 }
2168 while (*opts) {
2169 const char *nextopt;
2170
2171 if (strstart(opts, ",retrace=", &nextopt)) {
2172 opts = nextopt;
2173 if (strstart(opts, "dumb", &nextopt))
2174 vga_retrace_method = VGA_RETRACE_DUMB;
2175 else if (strstart(opts, "precise", &nextopt))
2176 vga_retrace_method = VGA_RETRACE_PRECISE;
2177 else goto invalid_vga;
2178 } else goto invalid_vga;
2179 opts = nextopt;
2180 }
2181 }
2182
2183 static DisplayType select_display(const char *p)
2184 {
2185 const char *opts;
2186 DisplayType display = DT_DEFAULT;
2187
2188 if (strstart(p, "sdl", &opts)) {
2189 #ifdef CONFIG_SDL
2190 display = DT_SDL;
2191 while (*opts) {
2192 const char *nextopt;
2193
2194 if (strstart(opts, ",frame=", &nextopt)) {
2195 opts = nextopt;
2196 if (strstart(opts, "on", &nextopt)) {
2197 no_frame = 0;
2198 } else if (strstart(opts, "off", &nextopt)) {
2199 no_frame = 1;
2200 } else {
2201 goto invalid_sdl_args;
2202 }
2203 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2204 opts = nextopt;
2205 if (strstart(opts, "on", &nextopt)) {
2206 alt_grab = 1;
2207 } else if (strstart(opts, "off", &nextopt)) {
2208 alt_grab = 0;
2209 } else {
2210 goto invalid_sdl_args;
2211 }
2212 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2213 opts = nextopt;
2214 if (strstart(opts, "on", &nextopt)) {
2215 ctrl_grab = 1;
2216 } else if (strstart(opts, "off", &nextopt)) {
2217 ctrl_grab = 0;
2218 } else {
2219 goto invalid_sdl_args;
2220 }
2221 } else if (strstart(opts, ",window_close=", &nextopt)) {
2222 opts = nextopt;
2223 if (strstart(opts, "on", &nextopt)) {
2224 no_quit = 0;
2225 } else if (strstart(opts, "off", &nextopt)) {
2226 no_quit = 1;
2227 } else {
2228 goto invalid_sdl_args;
2229 }
2230 } else {
2231 invalid_sdl_args:
2232 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2233 exit(1);
2234 }
2235 opts = nextopt;
2236 }
2237 #else
2238 fprintf(stderr, "SDL support is disabled\n");
2239 exit(1);
2240 #endif
2241 } else if (strstart(p, "vnc", &opts)) {
2242 #ifdef CONFIG_VNC
2243 display_remote++;
2244
2245 if (*opts) {
2246 const char *nextopt;
2247
2248 if (strstart(opts, "=", &nextopt)) {
2249 vnc_display = nextopt;
2250 }
2251 }
2252 if (!vnc_display) {
2253 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2254 exit(1);
2255 }
2256 #else
2257 fprintf(stderr, "VNC support is disabled\n");
2258 exit(1);
2259 #endif
2260 } else if (strstart(p, "curses", &opts)) {
2261 #ifdef CONFIG_CURSES
2262 display = DT_CURSES;
2263 #else
2264 fprintf(stderr, "Curses support is disabled\n");
2265 exit(1);
2266 #endif
2267 } else if (strstart(p, "gtk", &opts)) {
2268 #ifdef CONFIG_GTK
2269 display = DT_GTK;
2270 while (*opts) {
2271 const char *nextopt;
2272
2273 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2274 opts = nextopt;
2275 if (strstart(opts, "on", &nextopt)) {
2276 grab_on_hover = true;
2277 } else if (strstart(opts, "off", &nextopt)) {
2278 grab_on_hover = false;
2279 } else {
2280 goto invalid_gtk_args;
2281 }
2282 } else {
2283 invalid_gtk_args:
2284 fprintf(stderr, "Invalid GTK option string: %s\n", p);
2285 exit(1);
2286 }
2287 opts = nextopt;
2288 }
2289 #else
2290 fprintf(stderr, "GTK support is disabled\n");
2291 exit(1);
2292 #endif
2293 } else if (strstart(p, "none", &opts)) {
2294 display = DT_NONE;
2295 } else {
2296 fprintf(stderr, "Unknown display type: %s\n", p);
2297 exit(1);
2298 }
2299
2300 return display;
2301 }
2302
2303 static int balloon_parse(const char *arg)
2304 {
2305 QemuOpts *opts;
2306
2307 if (strcmp(arg, "none") == 0) {
2308 return 0;
2309 }
2310
2311 if (!strncmp(arg, "virtio", 6)) {
2312 if (arg[6] == ',') {
2313 /* have params -> parse them */
2314 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2315 if (!opts)
2316 return -1;
2317 } else {
2318 /* create empty opts */
2319 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2320 &error_abort);
2321 }
2322 qemu_opt_set(opts, "driver", "virtio-balloon");
2323 return 0;
2324 }
2325
2326 return -1;
2327 }
2328
2329 #if defined(CONFIG_RUBY)
2330 /* Ruby interface for QEMU. See README.EXT for programming example. */
2331 #warning mit ruby
2332 #include <ruby.h>
2333
2334 static VALUE qemu_open(int argc, VALUE *argv, VALUE klass)
2335 {
2336 int i;
2337 for (i = 0; i < argc; i++) {
2338 argv[i] = StringValue(argv[i]);
2339 fprintf(stderr, "argv[%d] = %s\n", i, StringValuePtr(argv[i]));
2340 }
2341 //~ if (rb_scan_args(argc, argv, "11", &file, &vmode) == 1) {
2342 //~ mode = 0666; /* default value */
2343 //~ }
2344 return INT2FIX(argc);
2345 }
2346
2347 void Init_qemu(void)
2348 {
2349 printf("%s\n", __func__);
2350 VALUE cQEMU = rb_define_class("QEMU", rb_cObject);
2351 rb_define_singleton_method(cQEMU, "run", qemu_open, -1);
2352 #if 0
2353 rb_define_method();
2354 #endif
2355 }
2356 #endif /* CONFIG_RUBY */
2357
2358 #if defined(CONFIG_DLL)
2359 BOOL APIENTRY DllMain(HINSTANCE hModule, DWORD ul_reason_for_call, LPVOID data)
2360 {
2361 return FALSE;
2362 }
2363 #endif /* CONFIG_DLL */
2364
2365 char *qemu_find_file(int type, const char *name)
2366 {
2367 int i;
2368 const char *subdir;
2369 char *buf;
2370
2371 /* Try the name as a straight path first */
2372 if (access(name, R_OK) == 0) {
2373 trace_load_file(name, name);
2374 return g_strdup(name);
2375 }
2376
2377 switch (type) {
2378 case QEMU_FILE_TYPE_BIOS:
2379 subdir = "";
2380 break;
2381 case QEMU_FILE_TYPE_KEYMAP:
2382 subdir = "keymaps/";
2383 break;
2384 default:
2385 abort();
2386 }
2387
2388 for (i = 0; i < data_dir_idx; i++) {
2389 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2390 if (access(buf, R_OK) == 0) {
2391 trace_load_file(name, buf);
2392 return buf;
2393 }
2394 g_free(buf);
2395 }
2396 return NULL;
2397 }
2398
2399 static int device_help_func(QemuOpts *opts, void *opaque)
2400 {
2401 return qdev_device_help(opts);
2402 }
2403
2404 static int device_init_func(QemuOpts *opts, void *opaque)
2405 {
2406 DeviceState *dev;
2407
2408 dev = qdev_device_add(opts);
2409 if (!dev)
2410 return -1;
2411 object_unref(OBJECT(dev));
2412 return 0;
2413 }
2414
2415 static int chardev_init_func(QemuOpts *opts, void *opaque)
2416 {
2417 Error *local_err = NULL;
2418
2419 qemu_chr_new_from_opts(opts, NULL, &local_err);
2420 if (local_err) {
2421 error_report("%s", error_get_pretty(local_err));
2422 error_free(local_err);
2423 return -1;
2424 }
2425 return 0;
2426 }
2427
2428 #ifdef CONFIG_VIRTFS
2429 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2430 {
2431 int ret;
2432 ret = qemu_fsdev_add(opts);
2433
2434 return ret;
2435 }
2436 #endif
2437
2438 static int mon_init_func(QemuOpts *opts, void *opaque)
2439 {
2440 CharDriverState *chr;
2441 const char *chardev;
2442 const char *mode;
2443 int flags;
2444
2445 mode = qemu_opt_get(opts, "mode");
2446 if (mode == NULL) {
2447 mode = "readline";
2448 }
2449 if (strcmp(mode, "readline") == 0) {
2450 flags = MONITOR_USE_READLINE;
2451 } else if (strcmp(mode, "control") == 0) {
2452 flags = MONITOR_USE_CONTROL;
2453 } else {
2454 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2455 exit(1);
2456 }
2457
2458 if (qemu_opt_get_bool(opts, "pretty", 0))
2459 flags |= MONITOR_USE_PRETTY;
2460
2461 if (qemu_opt_get_bool(opts, "default", 0))
2462 flags |= MONITOR_IS_DEFAULT;
2463
2464 chardev = qemu_opt_get(opts, "chardev");
2465 chr = qemu_chr_find(chardev);
2466 if (chr == NULL) {
2467 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2468 exit(1);
2469 }
2470
2471 qemu_chr_fe_claim_no_fail(chr);
2472 monitor_init(chr, flags);
2473 return 0;
2474 }
2475
2476 static void monitor_parse(const char *optarg, const char *mode)
2477 {
2478 static int monitor_device_index = 0;
2479 QemuOpts *opts;
2480 const char *p;
2481 char label[32];
2482 int def = 0;
2483
2484 if (strstart(optarg, "chardev:", &p)) {
2485 snprintf(label, sizeof(label), "%s", p);
2486 } else {
2487 snprintf(label, sizeof(label), "compat_monitor%d",
2488 monitor_device_index);
2489 if (monitor_device_index == 0) {
2490 def = 1;
2491 }
2492 opts = qemu_chr_parse_compat(label, optarg);
2493 if (!opts) {
2494 fprintf(stderr, "parse error: %s\n", optarg);
2495 exit(1);
2496 }
2497 }
2498
2499 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2500 if (!opts) {
2501 fprintf(stderr, "duplicate chardev: %s\n", label);
2502 exit(1);
2503 }
2504 qemu_opt_set(opts, "mode", mode);
2505 qemu_opt_set(opts, "chardev", label);
2506 if (def)
2507 qemu_opt_set(opts, "default", "on");
2508 monitor_device_index++;
2509 }
2510
2511 struct device_config {
2512 enum {
2513 DEV_USB, /* -usbdevice */
2514 DEV_BT, /* -bt */
2515 DEV_SERIAL, /* -serial */
2516 DEV_PARALLEL, /* -parallel */
2517 DEV_VIRTCON, /* -virtioconsole */
2518 DEV_DEBUGCON, /* -debugcon */
2519 DEV_GDB, /* -gdb, -s */
2520 DEV_SCLP, /* s390 sclp */
2521 } type;
2522 const char *cmdline;
2523 Location loc;
2524 QTAILQ_ENTRY(device_config) next;
2525 };
2526
2527 static QTAILQ_HEAD(, device_config) device_configs =
2528 QTAILQ_HEAD_INITIALIZER(device_configs);
2529
2530 static void add_device_config(int type, const char *cmdline)
2531 {
2532 struct device_config *conf;
2533
2534 conf = g_malloc0(sizeof(*conf));
2535 conf->type = type;
2536 conf->cmdline = cmdline;
2537 loc_save(&conf->loc);
2538 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2539 }
2540
2541 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2542 {
2543 struct device_config *conf;
2544 int rc;
2545
2546 QTAILQ_FOREACH(conf, &device_configs, next) {
2547 if (conf->type != type)
2548 continue;
2549 loc_push_restore(&conf->loc);
2550 rc = func(conf->cmdline);
2551 loc_pop(&conf->loc);
2552 if (rc) {
2553 return rc;
2554 }
2555 }
2556 return 0;
2557 }
2558
2559 static int serial_parse(const char *devname)
2560 {
2561 static int index = 0;
2562 char label[32];
2563
2564 if (strcmp(devname, "none") == 0)
2565 return 0;
2566 if (index == MAX_SERIAL_PORTS) {
2567 fprintf(stderr, "qemu: too many serial ports\n");
2568 exit(1);
2569 }
2570 snprintf(label, sizeof(label), "serial%d", index);
2571 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2572 if (!serial_hds[index]) {
2573 fprintf(stderr, "qemu: could not connect serial device"
2574 " to character backend '%s'\n", devname);
2575 return -1;
2576 }
2577 index++;
2578 return 0;
2579 }
2580
2581 static int parallel_parse(const char *devname)
2582 {
2583 static int index = 0;
2584 char label[32];
2585
2586 if (strcmp(devname, "none") == 0)
2587 return 0;
2588 if (index == MAX_PARALLEL_PORTS) {
2589 fprintf(stderr, "qemu: too many parallel ports\n");
2590 exit(1);
2591 }
2592 snprintf(label, sizeof(label), "parallel%d", index);
2593 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2594 if (!parallel_hds[index]) {
2595 fprintf(stderr, "qemu: could not connect parallel device"
2596 " to character backend '%s'\n", devname);
2597 return -1;
2598 }
2599 index++;
2600 return 0;
2601 }
2602
2603 static int virtcon_parse(const char *devname)
2604 {
2605 QemuOptsList *device = qemu_find_opts("device");
2606 static int index = 0;
2607 char label[32];
2608 QemuOpts *bus_opts, *dev_opts;
2609
2610 if (strcmp(devname, "none") == 0)
2611 return 0;
2612 if (index == MAX_VIRTIO_CONSOLES) {
2613 fprintf(stderr, "qemu: too many virtio consoles\n");
2614 exit(1);
2615 }
2616
2617 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2618 if (arch_type == QEMU_ARCH_S390X) {
2619 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2620 } else {
2621 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2622 }
2623
2624 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2625 qemu_opt_set(dev_opts, "driver", "virtconsole");
2626
2627 snprintf(label, sizeof(label), "virtcon%d", index);
2628 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2629 if (!virtcon_hds[index]) {
2630 fprintf(stderr, "qemu: could not connect virtio console"
2631 " to character backend '%s'\n", devname);
2632 return -1;
2633 }
2634 qemu_opt_set(dev_opts, "chardev", label);
2635
2636 index++;
2637 return 0;
2638 }
2639
2640 static int sclp_parse(const char *devname)
2641 {
2642 QemuOptsList *device = qemu_find_opts("device");
2643 static int index = 0;
2644 char label[32];
2645 QemuOpts *dev_opts;
2646
2647 if (strcmp(devname, "none") == 0) {
2648 return 0;
2649 }
2650 if (index == MAX_SCLP_CONSOLES) {
2651 fprintf(stderr, "qemu: too many sclp consoles\n");
2652 exit(1);
2653 }
2654
2655 assert(arch_type == QEMU_ARCH_S390X);
2656
2657 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2658 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2659
2660 snprintf(label, sizeof(label), "sclpcon%d", index);
2661 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2662 if (!sclp_hds[index]) {
2663 fprintf(stderr, "qemu: could not connect sclp console"
2664 " to character backend '%s'\n", devname);
2665 return -1;
2666 }
2667 qemu_opt_set(dev_opts, "chardev", label);
2668
2669 index++;
2670 return 0;
2671 }
2672
2673 static int debugcon_parse(const char *devname)
2674 {
2675 QemuOpts *opts;
2676
2677 if (!qemu_chr_new("debugcon", devname, NULL)) {
2678 exit(1);
2679 }
2680 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2681 if (!opts) {
2682 fprintf(stderr, "qemu: already have a debugcon device\n");
2683 exit(1);
2684 }
2685 qemu_opt_set(opts, "driver", "isa-debugcon");
2686 qemu_opt_set(opts, "chardev", "debugcon");
2687 return 0;
2688 }
2689
2690 static MachineClass *machine_parse(const char *name)
2691 {
2692 MachineClass *mc = NULL;
2693 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2694
2695 if (name) {
2696 mc = find_machine(name);
2697 }
2698 if (mc) {
2699 return mc;
2700 }
2701 if (name && !is_help_option(name)) {
2702 error_report("Unsupported machine type");
2703 error_printf("Use -machine help to list supported machines!\n");
2704 } else {
2705 printf("Supported machines are:\n");
2706 for (el = machines; el; el = el->next) {
2707 MachineClass *mc = el->data;
2708 if (mc->alias) {
2709 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2710 }
2711 printf("%-20s %s%s\n", mc->name, mc->desc,
2712 mc->is_default ? " (default)" : "");
2713 }
2714 }
2715
2716 g_slist_free(machines);
2717 exit(!name || !is_help_option(name));
2718 }
2719
2720 static int tcg_init(MachineClass *mc)
2721 {
2722 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2723 return 0;
2724 }
2725
2726 static struct {
2727 const char *opt_name;
2728 const char *name;
2729 int (*available)(void);
2730 int (*init)(MachineClass *mc);
2731 bool *allowed;
2732 } accel_list[] = {
2733 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2734 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2735 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2736 { "qtest", "QTest", qtest_available, qtest_init_accel, &qtest_allowed },
2737 };
2738
2739 static int configure_accelerator(MachineClass *mc)
2740 {
2741 const char *p;
2742 char buf[10];
2743 int i, ret;
2744 bool accel_initialised = false;
2745 bool init_failed = false;
2746
2747 p = qemu_opt_get(qemu_get_machine_opts(), "accel");
2748 if (p == NULL) {
2749 /* Use the default "accelerator", tcg */
2750 p = "tcg";
2751 }
2752
2753 while (!accel_initialised && *p != '\0') {
2754 if (*p == ':') {
2755 p++;
2756 }
2757 p = get_opt_name(buf, sizeof (buf), p, ':');
2758 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2759 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2760 if (!accel_list[i].available()) {
2761 printf("%s not supported for this target\n",
2762 accel_list[i].name);
2763 break;
2764 }
2765 *(accel_list[i].allowed) = true;
2766 ret = accel_list[i].init(mc);
2767 if (ret < 0) {
2768 init_failed = true;
2769 fprintf(stderr, "failed to initialize %s: %s\n",
2770 accel_list[i].name,
2771 strerror(-ret));
2772 *(accel_list[i].allowed) = false;
2773 } else {
2774 accel_initialised = true;
2775 }
2776 break;
2777 }
2778 }
2779 if (i == ARRAY_SIZE(accel_list)) {
2780 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2781 }
2782 }
2783
2784 if (!accel_initialised) {
2785 if (!init_failed) {
2786 fprintf(stderr, "No accelerator found!\n");
2787 }
2788 exit(1);
2789 }
2790
2791 if (init_failed) {
2792 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2793 }
2794
2795 return !accel_initialised;
2796 }
2797
2798 void qemu_add_exit_notifier(Notifier *notify)
2799 {
2800 notifier_list_add(&exit_notifiers, notify);
2801 }
2802
2803 void qemu_remove_exit_notifier(Notifier *notify)
2804 {
2805 notifier_remove(notify);
2806 }
2807
2808 static void qemu_run_exit_notifiers(void)
2809 {
2810 notifier_list_notify(&exit_notifiers, NULL);
2811 }
2812
2813 void qemu_add_machine_init_done_notifier(Notifier *notify)
2814 {
2815 notifier_list_add(&machine_init_done_notifiers, notify);
2816 }
2817
2818 static void qemu_run_machine_init_done_notifiers(void)
2819 {
2820 notifier_list_notify(&machine_init_done_notifiers, NULL);
2821 }
2822
2823 static const QEMUOption *lookup_opt(int argc, char **argv,
2824 const char **poptarg, int *poptind)
2825 {
2826 const QEMUOption *popt;
2827 int optind = *poptind;
2828 char *r = argv[optind];
2829 const char *optarg;
2830
2831 loc_set_cmdline(argv, optind, 1);
2832 optind++;
2833 /* Treat --foo the same as -foo. */
2834 if (r[1] == '-')
2835 r++;
2836 popt = qemu_options;
2837 for(;;) {
2838 if (!popt->name) {
2839 error_report("invalid option");
2840 exit(1);
2841 }
2842 if (!strcmp(popt->name, r + 1))
2843 break;
2844 popt++;
2845 }
2846 if (popt->flags & HAS_ARG) {
2847 if (optind >= argc) {
2848 error_report("requires an argument");
2849 exit(1);
2850 }
2851 optarg = argv[optind++];
2852 loc_set_cmdline(argv, optind - 2, 2);
2853 } else {
2854 optarg = NULL;
2855 }
2856
2857 *poptarg = optarg;
2858 *poptind = optind;
2859
2860 return popt;
2861 }
2862
2863 static gpointer malloc_and_trace(gsize n_bytes)
2864 {
2865 void *ptr = malloc(n_bytes);
2866 trace_g_malloc(n_bytes, ptr);
2867 return ptr;
2868 }
2869
2870 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2871 {
2872 void *ptr = realloc(mem, n_bytes);
2873 trace_g_realloc(mem, n_bytes, ptr);
2874 return ptr;
2875 }
2876
2877 static void free_and_trace(gpointer mem)
2878 {
2879 trace_g_free(mem);
2880 free(mem);
2881 }
2882
2883 static int object_set_property(const char *name, const char *value, void *opaque)
2884 {
2885 Object *obj = OBJECT(opaque);
2886 StringInputVisitor *siv;
2887 Error *local_err = NULL;
2888 char *c, *qom_name;
2889
2890 if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0 ||
2891 strcmp(name, "type") == 0) {
2892 return 0;
2893 }
2894
2895 qom_name = g_strdup(name);
2896 c = qom_name;
2897 while (*c++) {
2898 if (*c == '_') {
2899 *c = '-';
2900 }
2901 }
2902
2903 siv = string_input_visitor_new(value);
2904 object_property_set(obj, string_input_get_visitor(siv), qom_name, &local_err);
2905 string_input_visitor_cleanup(siv);
2906 g_free(qom_name);
2907
2908 if (local_err) {
2909 qerror_report_err(local_err);
2910 error_free(local_err);
2911 return -1;
2912 }
2913
2914 return 0;
2915 }
2916
2917 static int object_create(QemuOpts *opts, void *opaque)
2918 {
2919 Error *err = NULL;
2920 char *type = NULL;
2921 char *id = NULL;
2922 void *dummy = NULL;
2923 OptsVisitor *ov;
2924 QDict *pdict;
2925
2926 ov = opts_visitor_new(opts);
2927 pdict = qemu_opts_to_qdict(opts, NULL);
2928
2929 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2930 if (err) {
2931 goto out;
2932 }
2933
2934 qdict_del(pdict, "qom-type");
2935 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2936 if (err) {
2937 goto out;
2938 }
2939
2940 qdict_del(pdict, "id");
2941 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2942 if (err) {
2943 goto out;
2944 }
2945
2946 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2947 if (err) {
2948 goto out;
2949 }
2950 visit_end_struct(opts_get_visitor(ov), &err);
2951 if (err) {
2952 qmp_object_del(id, NULL);
2953 }
2954
2955 out:
2956 opts_visitor_cleanup(ov);
2957
2958 QDECREF(pdict);
2959 g_free(id);
2960 g_free(type);
2961 g_free(dummy);
2962 if (err) {
2963 qerror_report_err(err);
2964 error_free(err);
2965 return -1;
2966 }
2967 return 0;
2968 }
2969
2970 int main(int argc, char **argv)
2971 {
2972 int i;
2973 int snapshot, linux_boot;
2974 const char *initrd_filename;
2975 const char *kernel_filename, *kernel_cmdline;
2976 const char *boot_order;
2977 DisplayState *ds;
2978 int cyls, heads, secs, translation;
2979 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2980 QemuOptsList *olist;
2981 int optind;
2982 const char *optarg;
2983 const char *loadvm = NULL;
2984 MachineClass *machine_class;
2985 const char *cpu_model;
2986 const char *vga_model = NULL;
2987 const char *qtest_chrdev = NULL;
2988 const char *qtest_log = NULL;
2989 const char *pid_file = NULL;
2990 const char *incoming = NULL;
2991 #ifdef CONFIG_VNC
2992 int show_vnc_port = 0;
2993 #endif
2994 bool defconfig = true;
2995 bool userconfig = true;
2996 const char *log_mask = NULL;
2997 const char *log_file = NULL;
2998 GMemVTable mem_trace = {
2999 .malloc = malloc_and_trace,
3000 .realloc = realloc_and_trace,
3001 .free = free_and_trace,
3002 };
3003 const char *trace_events = NULL;
3004 const char *trace_file = NULL;
3005 const ram_addr_t default_ram_size = (ram_addr_t)DEFAULT_RAM_SIZE *
3006 1024 * 1024;
3007 ram_addr_t maxram_size = default_ram_size;
3008 uint64_t ram_slots = 0;
3009 FILE *vmstate_dump_file = NULL;
3010
3011 atexit(qemu_run_exit_notifiers);
3012 error_set_progname(argv[0]);
3013 qemu_init_exec_dir(argv[0]);
3014
3015 g_mem_set_vtable(&mem_trace);
3016
3017 module_call_init(MODULE_INIT_QOM);
3018
3019 qemu_add_opts(&qemu_drive_opts);
3020 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3021 qemu_add_drive_opts(&qemu_common_drive_opts);
3022 qemu_add_drive_opts(&qemu_drive_opts);
3023 qemu_add_opts(&qemu_chardev_opts);
3024 qemu_add_opts(&qemu_device_opts);
3025 qemu_add_opts(&qemu_netdev_opts);
3026 qemu_add_opts(&qemu_net_opts);
3027 qemu_add_opts(&qemu_rtc_opts);
3028 qemu_add_opts(&qemu_global_opts);
3029 qemu_add_opts(&qemu_mon_opts);
3030 qemu_add_opts(&qemu_trace_opts);
3031 qemu_add_opts(&qemu_option_rom_opts);
3032 qemu_add_opts(&qemu_machine_opts);
3033 qemu_add_opts(&qemu_mem_opts);
3034 qemu_add_opts(&qemu_smp_opts);
3035 qemu_add_opts(&qemu_boot_opts);
3036 qemu_add_opts(&qemu_sandbox_opts);
3037 qemu_add_opts(&qemu_add_fd_opts);
3038 qemu_add_opts(&qemu_object_opts);
3039 qemu_add_opts(&qemu_tpmdev_opts);
3040 qemu_add_opts(&qemu_realtime_opts);
3041 qemu_add_opts(&qemu_msg_opts);
3042 qemu_add_opts(&qemu_name_opts);
3043 qemu_add_opts(&qemu_numa_opts);
3044 qemu_add_opts(&qemu_icount_opts);
3045
3046 runstate_init();
3047
3048 rtc_clock = QEMU_CLOCK_HOST;
3049
3050 QLIST_INIT (&vm_change_state_head);
3051 os_setup_early_signal_handling();
3052
3053 module_call_init(MODULE_INIT_MACHINE);
3054 machine_class = 0;
3055 optarg = strrchr(argv[0], '/');
3056 if (optarg != 0) {
3057 machine_class = find_machine(optarg + 1);
3058 }
3059 if (!machine_class) {
3060 machine_class = find_default_machine();
3061 }
3062 cpu_model = NULL;
3063 ram_size = default_ram_size;
3064 snapshot = 0;
3065 cyls = heads = secs = 0;
3066 translation = BIOS_ATA_TRANSLATION_AUTO;
3067
3068 for (i = 0; i < MAX_NODES; i++) {
3069 numa_info[i].node_mem = 0;
3070 numa_info[i].present = false;
3071 bitmap_zero(numa_info[i].node_cpu, MAX_CPUMASK_BITS);
3072 }
3073
3074 nb_numa_nodes = 0;
3075 max_numa_nodeid = 0;
3076 nb_nics = 0;
3077
3078 bdrv_init_with_whitelist();
3079
3080 autostart = 1;
3081
3082 /* first pass of option parsing */
3083 optind = 1;
3084 while (optind < argc) {
3085 if (argv[optind][0] != '-') {
3086 /* disk image */
3087 optind++;
3088 } else {
3089 const QEMUOption *popt;
3090
3091 popt = lookup_opt(argc, argv, &optarg, &optind);
3092 switch (popt->index) {
3093 case QEMU_OPTION_nodefconfig:
3094 defconfig = false;
3095 break;
3096 case QEMU_OPTION_nouserconfig:
3097 userconfig = false;
3098 break;
3099 }
3100 }
3101 }
3102
3103 if (defconfig) {
3104 int ret;
3105 ret = qemu_read_default_config_files(userconfig);
3106 if (ret < 0) {
3107 exit(1);
3108 }
3109 }
3110
3111 /* second pass of option parsing */
3112 optind = 1;
3113 for(;;) {
3114 if (optind >= argc)
3115 break;
3116 if (argv[optind][0] != '-') {
3117 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3118 } else {
3119 const QEMUOption *popt;
3120
3121 popt = lookup_opt(argc, argv, &optarg, &optind);
3122 if (!(popt->arch_mask & arch_type)) {
3123 printf("Option %s not supported for this target\n", popt->name);
3124 exit(1);
3125 }
3126 switch(popt->index) {
3127 case QEMU_OPTION_M:
3128 machine_class = machine_parse(optarg);
3129 break;
3130 case QEMU_OPTION_no_kvm_irqchip: {
3131 olist = qemu_find_opts("machine");
3132 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
3133 break;
3134 }
3135 case QEMU_OPTION_cpu:
3136 /* hw initialization will check this */
3137 cpu_model = optarg;
3138 break;
3139 case QEMU_OPTION_hda:
3140 {
3141 char buf[256];
3142 if (cyls == 0)
3143 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3144 else
3145 snprintf(buf, sizeof(buf),
3146 "%s,cyls=%d,heads=%d,secs=%d%s",
3147 HD_OPTS , cyls, heads, secs,
3148 translation == BIOS_ATA_TRANSLATION_LBA ?
3149 ",trans=lba" :
3150 translation == BIOS_ATA_TRANSLATION_NONE ?
3151 ",trans=none" : "");
3152 drive_add(IF_DEFAULT, 0, optarg, buf);
3153 break;
3154 }
3155 case QEMU_OPTION_hdb:
3156 case QEMU_OPTION_hdc:
3157 case QEMU_OPTION_hdd:
3158 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3159 HD_OPTS);
3160 break;
3161 case QEMU_OPTION_drive:
3162 if (drive_def(optarg) == NULL) {
3163 exit(1);
3164 }
3165 break;
3166 case QEMU_OPTION_set:
3167 if (qemu_set_option(optarg) != 0)
3168 exit(1);
3169 break;
3170 case QEMU_OPTION_global:
3171 if (qemu_global_option(optarg) != 0)
3172 exit(1);
3173 break;
3174 case QEMU_OPTION_mtdblock:
3175 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3176 break;
3177 case QEMU_OPTION_sd:
3178 drive_add(IF_SD, -1, optarg, SD_OPTS);
3179 break;
3180 case QEMU_OPTION_pflash:
3181 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3182 break;
3183 case QEMU_OPTION_snapshot:
3184 snapshot = 1;
3185 break;
3186 case QEMU_OPTION_hdachs:
3187 {
3188 const char *p;
3189 p = optarg;
3190 cyls = strtol(p, (char **)&p, 0);
3191 if (cyls < 1 || cyls > 16383)
3192 goto chs_fail;
3193 if (*p != ',')
3194 goto chs_fail;
3195 p++;
3196 heads = strtol(p, (char **)&p, 0);
3197 if (heads < 1 || heads > 16)
3198 goto chs_fail;
3199 if (*p != ',')
3200 goto chs_fail;
3201 p++;
3202 secs = strtol(p, (char **)&p, 0);
3203 if (secs < 1 || secs > 63)
3204 goto chs_fail;
3205 if (*p == ',') {
3206 p++;
3207 if (!strcmp(p, "large")) {
3208 translation = BIOS_ATA_TRANSLATION_LARGE;
3209 } else if (!strcmp(p, "rechs")) {
3210 translation = BIOS_ATA_TRANSLATION_RECHS;
3211 } else if (!strcmp(p, "none")) {
3212 translation = BIOS_ATA_TRANSLATION_NONE;
3213 } else if (!strcmp(p, "lba")) {
3214 translation = BIOS_ATA_TRANSLATION_LBA;
3215 } else if (!strcmp(p, "auto")) {
3216 translation = BIOS_ATA_TRANSLATION_AUTO;
3217 } else {
3218 goto chs_fail;
3219 }
3220 } else if (*p != '\0') {
3221 chs_fail:
3222 fprintf(stderr, "qemu: invalid physical CHS format\n");
3223 exit(1);
3224 }
3225 if (hda_opts != NULL) {
3226 char num[16];
3227 snprintf(num, sizeof(num), "%d", cyls);
3228 qemu_opt_set(hda_opts, "cyls", num);
3229 snprintf(num, sizeof(num), "%d", heads);
3230 qemu_opt_set(hda_opts, "heads", num);
3231 snprintf(num, sizeof(num), "%d", secs);
3232 qemu_opt_set(hda_opts, "secs", num);
3233 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3234 qemu_opt_set(hda_opts, "trans", "large");
3235 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3236 qemu_opt_set(hda_opts, "trans", "rechs");
3237 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3238 qemu_opt_set(hda_opts, "trans", "lba");
3239 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3240 qemu_opt_set(hda_opts, "trans", "none");
3241 }
3242 }
3243 }
3244 break;
3245 case QEMU_OPTION_numa:
3246 opts = qemu_opts_parse(qemu_find_opts("numa"), optarg, 1);
3247 if (!opts) {
3248 exit(1);
3249 }
3250 break;
3251 case QEMU_OPTION_display:
3252 display_type = select_display(optarg);
3253 break;
3254 case QEMU_OPTION_nographic:
3255 display_type = DT_NOGRAPHIC;
3256 break;
3257 case QEMU_OPTION_curses:
3258 #ifdef CONFIG_CURSES
3259 display_type = DT_CURSES;
3260 #else
3261 fprintf(stderr, "Curses support is disabled\n");
3262 exit(1);
3263 #endif
3264 break;
3265 case QEMU_OPTION_portrait:
3266 graphic_rotate = 90;
3267 break;
3268 case QEMU_OPTION_rotate:
3269 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3270 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3271 graphic_rotate != 180 && graphic_rotate != 270) {
3272 fprintf(stderr,
3273 "qemu: only 90, 180, 270 deg rotation is available\n");
3274 exit(1);
3275 }
3276 break;
3277 case QEMU_OPTION_kernel:
3278 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3279 break;
3280 case QEMU_OPTION_initrd:
3281 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3282 break;
3283 case QEMU_OPTION_append:
3284 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3285 break;
3286 case QEMU_OPTION_dtb:
3287 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3288 break;
3289 case QEMU_OPTION_cdrom:
3290 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3291 break;
3292 case QEMU_OPTION_boot:
3293 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3294 if (!opts) {
3295 exit(1);
3296 }
3297 break;
3298 case QEMU_OPTION_fda:
3299 case QEMU_OPTION_fdb:
3300 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3301 optarg, FD_OPTS);
3302 break;
3303 case QEMU_OPTION_no_fd_bootchk:
3304 fd_bootchk = 0;
3305 break;
3306 case QEMU_OPTION_netdev:
3307 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3308 exit(1);
3309 }
3310 break;
3311 case QEMU_OPTION_net:
3312 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3313 exit(1);
3314 }
3315 break;
3316 #ifdef CONFIG_LIBISCSI
3317 case QEMU_OPTION_iscsi:
3318 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3319 if (!opts) {
3320 exit(1);
3321 }
3322 break;
3323 #endif
3324 #ifdef CONFIG_SLIRP
3325 case QEMU_OPTION_tftp:
3326 legacy_tftp_prefix = optarg;
3327 break;
3328 case QEMU_OPTION_bootp:
3329 legacy_bootp_filename = optarg;
3330 break;
3331 case QEMU_OPTION_redir:
3332 if (net_slirp_redir(optarg) < 0)
3333 exit(1);
3334 break;
3335 #endif
3336 case QEMU_OPTION_bt:
3337 add_device_config(DEV_BT, optarg);
3338 break;
3339 case QEMU_OPTION_audio_help:
3340 AUD_help ();
3341 exit (0);
3342 break;
3343 case QEMU_OPTION_soundhw:
3344 select_soundhw (optarg);
3345 break;
3346 case QEMU_OPTION_h:
3347 help(0);
3348 break;
3349 case QEMU_OPTION_version:
3350 version();
3351 exit(0);
3352 break;
3353 case QEMU_OPTION_m: {
3354 uint64_t sz;
3355 const char *mem_str;
3356 const char *maxmem_str, *slots_str;
3357
3358 opts = qemu_opts_parse(qemu_find_opts("memory"),
3359 optarg, 1);
3360 if (!opts) {
3361 exit(EXIT_FAILURE);
3362 }
3363
3364 mem_str = qemu_opt_get(opts, "size");
3365 if (!mem_str) {
3366 error_report("invalid -m option, missing 'size' option");
3367 exit(EXIT_FAILURE);
3368 }
3369 if (!*mem_str) {
3370 error_report("missing 'size' option value");
3371 exit(EXIT_FAILURE);
3372 }
3373
3374 sz = qemu_opt_get_size(opts, "size", ram_size);
3375
3376 /* Fix up legacy suffix-less format */
3377 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
3378 uint64_t overflow_check = sz;
3379
3380 sz <<= 20;
3381 if ((sz >> 20) != overflow_check) {
3382 error_report("too large 'size' option value");
3383 exit(EXIT_FAILURE);
3384 }
3385 }
3386
3387 /* backward compatibility behaviour for case "-m 0" */
3388 if (sz == 0) {
3389 sz = default_ram_size;
3390 }
3391
3392 sz = QEMU_ALIGN_UP(sz, 8192);
3393 ram_size = sz;
3394 if (ram_size != sz) {
3395 error_report("ram size too large");
3396 exit(EXIT_FAILURE);
3397 }
3398 maxram_size = ram_size;
3399
3400 maxmem_str = qemu_opt_get(opts, "maxmem");
3401 slots_str = qemu_opt_get(opts, "slots");
3402 if (maxmem_str && slots_str) {
3403 uint64_t slots;
3404
3405 sz = qemu_opt_get_size(opts, "maxmem", 0);
3406 if (sz < ram_size) {
3407 fprintf(stderr, "qemu: invalid -m option value: maxmem "
3408 "(%" PRIu64 ") <= initial memory ("
3409 RAM_ADDR_FMT ")\n", sz, ram_size);
3410 exit(EXIT_FAILURE);
3411 }
3412
3413 slots = qemu_opt_get_number(opts, "slots", 0);
3414 if ((sz > ram_size) && !slots) {
3415 fprintf(stderr, "qemu: invalid -m option value: maxmem "
3416 "(%" PRIu64 ") more than initial memory ("
3417 RAM_ADDR_FMT ") but no hotplug slots where "
3418 "specified\n", sz, ram_size);
3419 exit(EXIT_FAILURE);
3420 }
3421
3422 if ((sz <= ram_size) && slots) {
3423 fprintf(stderr, "qemu: invalid -m option value: %"
3424 PRIu64 " hotplug slots where specified but "
3425 "maxmem (%" PRIu64 ") <= initial memory ("
3426 RAM_ADDR_FMT ")\n", slots, sz, ram_size);
3427 exit(EXIT_FAILURE);
3428 }
3429 maxram_size = sz;
3430 ram_slots = slots;
3431 } else if ((!maxmem_str && slots_str) ||
3432 (maxmem_str && !slots_str)) {
3433 fprintf(stderr, "qemu: invalid -m option value: missing "
3434 "'%s' option\n", slots_str ? "maxmem" : "slots");
3435 exit(EXIT_FAILURE);
3436 }
3437 break;
3438 }
3439 #ifdef CONFIG_TPM
3440 case QEMU_OPTION_tpmdev:
3441 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3442 exit(1);
3443 }
3444 break;
3445 #endif
3446 case QEMU_OPTION_mempath:
3447 mem_path = optarg;
3448 break;
3449 case QEMU_OPTION_mem_prealloc:
3450 mem_prealloc = 1;
3451 break;
3452 case QEMU_OPTION_d:
3453 log_mask = optarg;
3454 break;
3455 case QEMU_OPTION_D:
3456 log_file = optarg;
3457 break;
3458 case QEMU_OPTION_s:
3459 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3460 break;
3461 case QEMU_OPTION_gdb:
3462 add_device_config(DEV_GDB, optarg);
3463 break;
3464 case QEMU_OPTION_L:
3465 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3466 data_dir[data_dir_idx++] = optarg;
3467 }
3468 break;
3469 case QEMU_OPTION_bios:
3470 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg);
3471 break;
3472 case QEMU_OPTION_singlestep:
3473 singlestep = 1;
3474 break;
3475 case QEMU_OPTION_S:
3476 autostart = 0;
3477 break;
3478 case QEMU_OPTION_k:
3479 keyboard_layout = optarg;
3480 break;
3481 case QEMU_OPTION_localtime:
3482 rtc_utc = 0;
3483 break;
3484 case QEMU_OPTION_vga:
3485 vga_model = optarg;
3486 default_vga = 0;
3487 break;
3488 case QEMU_OPTION_g:
3489 {
3490 const char *p;
3491 int w, h, depth;
3492 p = optarg;
3493 w = strtol(p, (char **)&p, 10);
3494 if (w <= 0) {
3495 graphic_error:
3496 fprintf(stderr, "qemu: invalid resolution or depth\n");
3497 exit(1);
3498 }
3499 if (*p != 'x')
3500 goto graphic_error;
3501 p++;
3502 h = strtol(p, (char **)&p, 10);
3503 if (h <= 0)
3504 goto graphic_error;
3505 if (*p == 'x') {
3506 p++;
3507 depth = strtol(p, (char **)&p, 10);
3508 if (depth != 8 && depth != 15 && depth != 16 &&
3509 depth != 24 && depth != 32)
3510 goto graphic_error;
3511 } else if (*p == '\0') {
3512 depth = graphic_depth;
3513 } else {
3514 goto graphic_error;
3515 }
3516
3517 graphic_width = w;
3518 graphic_height = h;
3519 graphic_depth = depth;
3520 }
3521 break;
3522 case QEMU_OPTION_echr:
3523 {
3524 char *r;
3525 term_escape_char = strtol(optarg, &r, 0);
3526 if (r == optarg)
3527 printf("Bad argument to echr\n");
3528 break;
3529 }
3530 case QEMU_OPTION_monitor:
3531 default_monitor = 0;
3532 if (strncmp(optarg, "none", 4)) {
3533 monitor_parse(optarg, "readline");
3534 }
3535 break;
3536 case QEMU_OPTION_qmp:
3537 monitor_parse(optarg, "control");
3538 default_monitor = 0;
3539 break;
3540 case QEMU_OPTION_mon:
3541 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3542 if (!opts) {
3543 exit(1);
3544 }
3545 default_monitor = 0;
3546 break;
3547 case QEMU_OPTION_chardev:
3548 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3549 if (!opts) {
3550 exit(1);
3551 }
3552 break;
3553 case QEMU_OPTION_fsdev:
3554 olist = qemu_find_opts("fsdev");
3555 if (!olist) {
3556 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3557 exit(1);
3558 }
3559 opts = qemu_opts_parse(olist, optarg, 1);
3560 if (!opts) {
3561 exit(1);
3562 }
3563 break;
3564 case QEMU_OPTION_virtfs: {
3565 QemuOpts *fsdev;
3566 QemuOpts *device;
3567 const char *writeout, *sock_fd, *socket;
3568
3569 olist = qemu_find_opts("virtfs");
3570 if (!olist) {
3571 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3572 exit(1);
3573 }
3574 opts = qemu_opts_parse(olist, optarg, 1);
3575 if (!opts) {
3576 exit(1);
3577 }
3578
3579 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3580 qemu_opt_get(opts, "mount_tag") == NULL) {
3581 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3582 exit(1);
3583 }
3584 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3585 qemu_opt_get(opts, "mount_tag"),
3586 1, NULL);
3587 if (!fsdev) {
3588 fprintf(stderr, "duplicate fsdev id: %s\n",
3589 qemu_opt_get(opts, "mount_tag"));
3590 exit(1);
3591 }
3592
3593 writeout = qemu_opt_get(opts, "writeout");
3594 if (writeout) {
3595 #ifdef CONFIG_SYNC_FILE_RANGE
3596 qemu_opt_set(fsdev, "writeout", writeout);
3597 #else
3598 fprintf(stderr, "writeout=immediate not supported on "
3599 "this platform\n");
3600 exit(1);
3601 #endif
3602 }
3603 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3604 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3605 qemu_opt_set(fsdev, "security_model",
3606 qemu_opt_get(opts, "security_model"));
3607 socket = qemu_opt_get(opts, "socket");
3608 if (socket) {
3609 qemu_opt_set(fsdev, "socket", socket);
3610 }
3611 sock_fd = qemu_opt_get(opts, "sock_fd");
3612 if (sock_fd) {
3613 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3614 }
3615
3616 qemu_opt_set_bool(fsdev, "readonly",
3617 qemu_opt_get_bool(opts, "readonly", 0));
3618 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3619 &error_abort);
3620 qemu_opt_set(device, "driver", "virtio-9p-pci");
3621 qemu_opt_set(device, "fsdev",
3622 qemu_opt_get(opts, "mount_tag"));
3623 qemu_opt_set(device, "mount_tag",
3624 qemu_opt_get(opts, "mount_tag"));
3625 break;
3626 }
3627 case QEMU_OPTION_virtfs_synth: {
3628 QemuOpts *fsdev;
3629 QemuOpts *device;
3630
3631 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3632 1, NULL);
3633 if (!fsdev) {
3634 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3635 exit(1);
3636 }
3637 qemu_opt_set(fsdev, "fsdriver", "synth");
3638
3639 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3640 &error_abort);
3641 qemu_opt_set(device, "driver", "virtio-9p-pci");
3642 qemu_opt_set(device, "fsdev", "v_synth");
3643 qemu_opt_set(device, "mount_tag", "v_synth");
3644 break;
3645 }
3646 case QEMU_OPTION_serial:
3647 add_device_config(DEV_SERIAL, optarg);
3648 default_serial = 0;
3649 if (strncmp(optarg, "mon:", 4) == 0) {
3650 default_monitor = 0;
3651 }
3652 break;
3653 case QEMU_OPTION_watchdog:
3654 if (watchdog) {
3655 fprintf(stderr,
3656 "qemu: only one watchdog option may be given\n");
3657 return 1;
3658 }
3659 watchdog = optarg;
3660 break;
3661 case QEMU_OPTION_watchdog_action:
3662 if (select_watchdog_action(optarg) == -1) {
3663 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3664 exit(1);
3665 }
3666 break;
3667 case QEMU_OPTION_virtiocon:
3668 add_device_config(DEV_VIRTCON, optarg);
3669 default_virtcon = 0;
3670 if (strncmp(optarg, "mon:", 4) == 0) {
3671 default_monitor = 0;
3672 }
3673 break;
3674 case QEMU_OPTION_parallel:
3675 add_device_config(DEV_PARALLEL, optarg);
3676 default_parallel = 0;
3677 if (strncmp(optarg, "mon:", 4) == 0) {
3678 default_monitor = 0;
3679 }
3680 break;
3681 case QEMU_OPTION_debugcon:
3682 add_device_config(DEV_DEBUGCON, optarg);
3683 break;
3684 case QEMU_OPTION_loadvm:
3685 loadvm = optarg;
3686 break;
3687 case QEMU_OPTION_full_screen:
3688 full_screen = 1;
3689 break;
3690 case QEMU_OPTION_no_frame:
3691 no_frame = 1;
3692 break;
3693 case QEMU_OPTION_alt_grab:
3694 alt_grab = 1;
3695 break;
3696 case QEMU_OPTION_ctrl_grab:
3697 ctrl_grab = 1;
3698 break;
3699 case QEMU_OPTION_no_quit:
3700 no_quit = 1;
3701 break;
3702 case QEMU_OPTION_sdl:
3703 #ifdef CONFIG_SDL
3704 display_type = DT_SDL;
3705 break;
3706 #else
3707 fprintf(stderr, "SDL support is disabled\n");
3708 exit(1);
3709 #endif
3710 case QEMU_OPTION_pidfile:
3711 pid_file = optarg;
3712 break;
3713 case QEMU_OPTION_win2k_hack:
3714 win2k_install_hack = 1;
3715 break;
3716 case QEMU_OPTION_rtc_td_hack: {
3717 static GlobalProperty slew_lost_ticks[] = {
3718 {
3719 .driver = "mc146818rtc",
3720 .property = "lost_tick_policy",
3721 .value = "slew",
3722 },
3723 { /* end of list */ }
3724 };
3725
3726 qdev_prop_register_global_list(slew_lost_ticks);
3727 break;
3728 }
3729 case QEMU_OPTION_acpitable:
3730 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3731 if (!opts) {
3732 exit(1);
3733 }
3734 do_acpitable_option(opts);
3735 break;
3736 case QEMU_OPTION_smbios:
3737 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3738 if (!opts) {
3739 exit(1);
3740 }
3741 do_smbios_option(opts);
3742 break;
3743 case QEMU_OPTION_enable_kvm:
3744 olist = qemu_find_opts("machine");
3745 qemu_opts_parse(olist, "accel=kvm", 0);
3746 break;
3747 case QEMU_OPTION_machine:
3748 olist = qemu_find_opts("machine");
3749 opts = qemu_opts_parse(olist, optarg, 1);
3750 if (!opts) {
3751 exit(1);
3752 }
3753 optarg = qemu_opt_get(opts, "type");
3754 if (optarg) {
3755 machine_class = machine_parse(optarg);
3756 }
3757 break;
3758 case QEMU_OPTION_no_kvm:
3759 olist = qemu_find_opts("machine");
3760 qemu_opts_parse(olist, "accel=tcg", 0);
3761 break;
3762 case QEMU_OPTION_no_kvm_pit: {
3763 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3764 "separately.\n");
3765 break;
3766 }
3767 case QEMU_OPTION_no_kvm_pit_reinjection: {
3768 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3769 {
3770 .driver = "kvm-pit",
3771 .property = "lost_tick_policy",
3772 .value = "discard",
3773 },
3774 { /* end of list */ }
3775 };
3776
3777 fprintf(stderr, "Warning: option deprecated, use "
3778 "lost_tick_policy property of kvm-pit instead.\n");
3779 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3780 break;
3781 }
3782 case QEMU_OPTION_usb:
3783 olist = qemu_find_opts("machine");
3784 qemu_opts_parse(olist, "usb=on", 0);
3785 break;
3786 case QEMU_OPTION_usbdevice:
3787 olist = qemu_find_opts("machine");
3788 qemu_opts_parse(olist, "usb=on", 0);
3789 add_device_config(DEV_USB, optarg);
3790 break;
3791 case QEMU_OPTION_device:
3792 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3793 exit(1);
3794 }
3795 break;
3796 case QEMU_OPTION_smp:
3797 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3798 exit(1);
3799 }
3800 break;
3801 case QEMU_OPTION_vnc:
3802 #ifdef CONFIG_VNC
3803 display_remote++;
3804 vnc_display = optarg;
3805 #else
3806 fprintf(stderr, "VNC support is disabled\n");
3807 exit(1);
3808 #endif
3809 break;
3810 case QEMU_OPTION_no_acpi:
3811 acpi_enabled = 0;
3812 break;
3813 case QEMU_OPTION_no_hpet:
3814 no_hpet = 1;
3815 break;
3816 case QEMU_OPTION_balloon:
3817 if (balloon_parse(optarg) < 0) {
3818 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3819 exit(1);
3820 }
3821 break;
3822 case QEMU_OPTION_no_reboot:
3823 no_reboot = 1;
3824 break;
3825 case QEMU_OPTION_no_shutdown:
3826 no_shutdown = 1;
3827 break;
3828 case QEMU_OPTION_show_cursor:
3829 cursor_hide = 0;
3830 break;
3831 case QEMU_OPTION_uuid:
3832 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3833 fprintf(stderr, "Fail to parse UUID string."
3834 " Wrong format.\n");
3835 exit(1);
3836 }
3837 qemu_uuid_set = true;
3838 break;
3839 case QEMU_OPTION_option_rom:
3840 if (nb_option_roms >= MAX_OPTION_ROMS) {
3841 fprintf(stderr, "Too many option ROMs\n");
3842 exit(1);
3843 }
3844 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3845 if (!opts) {
3846 exit(1);
3847 }
3848 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3849 option_rom[nb_option_roms].bootindex =
3850 qemu_opt_get_number(opts, "bootindex", -1);
3851 if (!option_rom[nb_option_roms].name) {
3852 fprintf(stderr, "Option ROM file is not specified\n");
3853 exit(1);
3854 }
3855 nb_option_roms++;
3856 break;
3857 case QEMU_OPTION_semihosting:
3858 semihosting_enabled = 1;
3859 break;
3860 case QEMU_OPTION_tdf:
3861 fprintf(stderr, "Warning: user space PIT time drift fix "
3862 "is no longer supported.\n");
3863 break;
3864 case QEMU_OPTION_name:
3865 opts = qemu_opts_parse(qemu_find_opts("name"), optarg, 1);
3866 if (!opts) {
3867 exit(1);
3868 }
3869 break;
3870 case QEMU_OPTION_prom_env:
3871 if (nb_prom_envs >= MAX_PROM_ENVS) {
3872 fprintf(stderr, "Too many prom variables\n");
3873 exit(1);
3874 }
3875 prom_envs[nb_prom_envs] = optarg;
3876 nb_prom_envs++;
3877 break;
3878 case QEMU_OPTION_old_param:
3879 old_param = 1;
3880 break;
3881 case QEMU_OPTION_clock:
3882 /* Clock options no longer exist. Keep this option for
3883 * backward compatibility.
3884 */
3885 break;
3886 case QEMU_OPTION_startdate:
3887 configure_rtc_date_offset(optarg, 1);
3888 break;
3889 case QEMU_OPTION_rtc:
3890 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3891 if (!opts) {
3892 exit(1);
3893 }
3894 configure_rtc(opts);
3895 break;
3896 case QEMU_OPTION_tb_size:
3897 tcg_tb_size = strtol(optarg, NULL, 0);
3898 if (tcg_tb_size < 0) {
3899 tcg_tb_size = 0;
3900 }
3901 break;
3902 case QEMU_OPTION_icount:
3903 icount_opts = qemu_opts_parse(qemu_find_opts("icount"),
3904 optarg, 1);
3905 if (!icount_opts) {
3906 exit(1);
3907 }
3908 break;
3909 case QEMU_OPTION_incoming:
3910 incoming = optarg;
3911 runstate_set(RUN_STATE_INMIGRATE);
3912 break;
3913 case QEMU_OPTION_nodefaults:
3914 has_defaults = 0;
3915 break;
3916 case QEMU_OPTION_xen_domid:
3917 if (!(xen_available())) {
3918 printf("Option %s not supported for this target\n", popt->name);
3919 exit(1);
3920 }
3921 xen_domid = atoi(optarg);
3922 break;
3923 case QEMU_OPTION_xen_create:
3924 if (!(xen_available())) {
3925 printf("Option %s not supported for this target\n", popt->name);
3926 exit(1);
3927 }
3928 xen_mode = XEN_CREATE;
3929 break;
3930 case QEMU_OPTION_xen_attach:
3931 if (!(xen_available())) {
3932 printf("Option %s not supported for this target\n", popt->name);
3933 exit(1);
3934 }
3935 xen_mode = XEN_ATTACH;
3936 break;
3937 case QEMU_OPTION_trace:
3938 {
3939 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3940 if (!opts) {
3941 exit(1);
3942 }
3943 trace_events = qemu_opt_get(opts, "events");
3944 trace_file = qemu_opt_get(opts, "file");
3945 break;
3946 }
3947 case QEMU_OPTION_trace_unassigned:
3948 trace_unassigned = true;
3949 break;
3950 case QEMU_OPTION_readconfig:
3951 {
3952 int ret = qemu_read_config_file(optarg);
3953 if (ret < 0) {
3954 fprintf(stderr, "read config %s: %s\n", optarg,
3955 strerror(-ret));
3956 exit(1);
3957 }
3958 break;
3959 }
3960 case QEMU_OPTION_spice:
3961 olist = qemu_find_opts("spice");
3962 if (!olist) {
3963 fprintf(stderr, "spice is not supported by this qemu build.\n");
3964 exit(1);
3965 }
3966 opts = qemu_opts_parse(olist, optarg, 0);
3967 if (!opts) {
3968 exit(1);
3969 }
3970 display_remote++;
3971 break;
3972 case QEMU_OPTION_writeconfig:
3973 {
3974 FILE *fp;
3975 if (strcmp(optarg, "-") == 0) {
3976 fp = stdout;
3977 } else {
3978 fp = fopen(optarg, "w");
3979 if (fp == NULL) {
3980 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3981 exit(1);
3982 }
3983 }
3984 qemu_config_write(fp);
3985 if (fp != stdout) {
3986 fclose(fp);
3987 }
3988 break;
3989 }
3990 case QEMU_OPTION_qtest:
3991 qtest_chrdev = optarg;
3992 break;
3993 case QEMU_OPTION_qtest_log:
3994 qtest_log = optarg;
3995 break;
3996 case QEMU_OPTION_sandbox:
3997 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3998 if (!opts) {
3999 exit(1);
4000 }
4001 break;
4002 case QEMU_OPTION_add_fd:
4003 #ifndef _WIN32
4004 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
4005 if (!opts) {
4006 exit(1);
4007 }
4008 #else
4009 error_report("File descriptor passing is disabled on this "
4010 "platform");
4011 exit(1);
4012 #endif
4013 break;
4014 case QEMU_OPTION_object:
4015 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
4016 if (!opts) {
4017 exit(1);
4018 }
4019 break;
4020 case QEMU_OPTION_realtime:
4021 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
4022 if (!opts) {
4023 exit(1);
4024 }
4025 configure_realtime(opts);
4026 break;
4027 case QEMU_OPTION_msg:
4028 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
4029 if (!opts) {
4030 exit(1);
4031 }
4032 configure_msg(opts);
4033 break;
4034 case QEMU_OPTION_dump_vmstate:
4035 vmstate_dump_file = fopen(optarg, "w");
4036 if (vmstate_dump_file == NULL) {
4037 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
4038 exit(1);
4039 }
4040 break;
4041 default:
4042 os_parse_cmd_args(popt->index, optarg);
4043 }
4044 }
4045 }
4046 loc_set_none();
4047
4048 os_daemonize();
4049
4050 if (qemu_init_main_loop()) {
4051 fprintf(stderr, "qemu_init_main_loop failed\n");
4052 exit(1);
4053 }
4054
4055 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
4056 exit(1);
4057 }
4058
4059 if (qemu_opts_foreach(qemu_find_opts("name"), parse_name, NULL, 1)) {
4060 exit(1);
4061 }
4062
4063 #ifndef _WIN32
4064 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
4065 exit(1);
4066 }
4067
4068 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
4069 exit(1);
4070 }
4071 #endif
4072
4073 if (machine_class == NULL) {
4074 fprintf(stderr, "No machine specified, and there is no default.\n"
4075 "Use -machine help to list supported machines!\n");
4076 exit(1);
4077 }
4078
4079 current_machine = MACHINE(object_new(object_class_get_name(
4080 OBJECT_CLASS(machine_class))));
4081 object_property_add_child(object_get_root(), "machine",
4082 OBJECT(current_machine), &error_abort);
4083 cpu_exec_init_all();
4084
4085 if (machine_class->hw_version) {
4086 qemu_set_version(machine_class->hw_version);
4087 }
4088
4089 /* Init CPU def lists, based on config
4090 * - Must be called after all the qemu_read_config_file() calls
4091 * - Must be called before list_cpus()
4092 * - Must be called before machine->init()
4093 */
4094 cpudef_init();
4095
4096 if (cpu_model && is_help_option(cpu_model)) {
4097 list_cpus(stdout, &fprintf, cpu_model);
4098 exit(0);
4099 }
4100
4101 /* Open the logfile at this point, if necessary. We can't open the logfile
4102 * when encountering either of the logging options (-d or -D) because the
4103 * other one may be encountered later on the command line, changing the
4104 * location or level of logging.
4105 */
4106 if (log_mask) {
4107 int mask;
4108 if (log_file) {
4109 qemu_set_log_filename(log_file);
4110 }
4111
4112 mask = qemu_str_to_log_mask(log_mask);
4113 if (!mask) {
4114 qemu_print_log_usage(stdout);
4115 exit(1);
4116 }
4117 qemu_set_log(mask);
4118 }
4119
4120 if (!is_daemonized()) {
4121 if (!trace_init_backends(trace_events, trace_file)) {
4122 exit(1);
4123 }
4124 }
4125
4126 /* If no data_dir is specified then try to find it relative to the
4127 executable path. */
4128 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4129 data_dir[data_dir_idx] = os_find_datadir();
4130 if (data_dir[data_dir_idx] != NULL) {
4131 data_dir_idx++;
4132 }
4133 }
4134 /* If all else fails use the install path specified when building. */
4135 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4136 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4137 }
4138
4139 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4140
4141 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4142 if (smp_cpus > machine_class->max_cpus) {
4143 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
4144 "supported by machine `%s' (%d)\n", smp_cpus,
4145 machine_class->name, machine_class->max_cpus);
4146 exit(1);
4147 }
4148
4149 /*
4150 * Get the default machine options from the machine if it is not already
4151 * specified either by the configuration file or by the command line.
4152 */
4153 if (machine_class->default_machine_opts) {
4154 qemu_opts_set_defaults(qemu_find_opts("machine"),
4155 machine_class->default_machine_opts, 0);
4156 }
4157
4158 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
4159 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
4160
4161 if (!vga_model && !default_vga) {
4162 vga_interface_type = VGA_DEVICE;
4163 }
4164 if (!has_defaults || machine_class->no_serial) {
4165 default_serial = 0;
4166 }
4167 if (!has_defaults || machine_class->no_parallel) {
4168 default_parallel = 0;
4169 }
4170 if (!has_defaults || !machine_class->use_virtcon) {
4171 default_virtcon = 0;
4172 }
4173 if (!has_defaults || !machine_class->use_sclp) {
4174 default_sclp = 0;
4175 }
4176 if (!has_defaults || machine_class->no_floppy) {
4177 default_floppy = 0;
4178 }
4179 if (!has_defaults || machine_class->no_cdrom) {
4180 default_cdrom = 0;
4181 }
4182 if (!has_defaults || machine_class->no_sdcard) {
4183 default_sdcard = 0;
4184 }
4185 if (!has_defaults) {
4186 default_monitor = 0;
4187 default_net = 0;
4188 default_vga = 0;
4189 }
4190
4191 if (is_daemonized()) {
4192 /* According to documentation and historically, -nographic redirects
4193 * serial port, parallel port and monitor to stdio, which does not work
4194 * with -daemonize. We can redirect these to null instead, but since
4195 * -nographic is legacy, let's just error out.
4196 * We disallow -nographic only if all other ports are not redirected
4197 * explicitly, to not break existing legacy setups which uses
4198 * -nographic _and_ redirects all ports explicitly - this is valid
4199 * usage, -nographic is just a no-op in this case.
4200 */
4201 if (display_type == DT_NOGRAPHIC
4202 && (default_parallel || default_serial
4203 || default_monitor || default_virtcon)) {
4204 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4205 exit(1);
4206 }
4207 #ifdef CONFIG_CURSES
4208 if (display_type == DT_CURSES) {
4209 fprintf(stderr, "curses display can not be used with -daemonize\n");
4210 exit(1);
4211 }
4212 #endif
4213 }
4214
4215 if (display_type == DT_NOGRAPHIC) {
4216 if (default_parallel)
4217 add_device_config(DEV_PARALLEL, "null");
4218 if (default_serial && default_monitor) {
4219 add_device_config(DEV_SERIAL, "mon:stdio");
4220 } else if (default_virtcon && default_monitor) {
4221 add_device_config(DEV_VIRTCON, "mon:stdio");
4222 } else if (default_sclp && default_monitor) {
4223 add_device_config(DEV_SCLP, "mon:stdio");
4224 } else {
4225 if (default_serial)
4226 add_device_config(DEV_SERIAL, "stdio");
4227 if (default_virtcon)
4228 add_device_config(DEV_VIRTCON, "stdio");
4229 if (default_sclp) {
4230 add_device_config(DEV_SCLP, "stdio");
4231 }
4232 if (default_monitor)
4233 monitor_parse("stdio", "readline");
4234 }
4235 } else {
4236 if (default_serial)
4237 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4238 if (default_parallel)
4239 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4240 if (default_monitor)
4241 monitor_parse("vc:80Cx24C", "readline");
4242 if (default_virtcon)
4243 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4244 if (default_sclp) {
4245 add_device_config(DEV_SCLP, "vc:80Cx24C");
4246 }
4247 }
4248
4249 if (display_type == DT_DEFAULT && !display_remote) {
4250 #if defined(CONFIG_GTK)
4251 display_type = DT_GTK;
4252 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4253 display_type = DT_SDL;
4254 #elif defined(CONFIG_VNC)
4255 vnc_display = "localhost:0,to=99";
4256 show_vnc_port = 1;
4257 #else
4258 display_type = DT_NONE;
4259 #endif
4260 }
4261
4262 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4263 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4264 "for SDL, ignoring option\n");
4265 }
4266 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4267 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4268 "ignoring option\n");
4269 }
4270
4271 #if defined(CONFIG_GTK)
4272 if (display_type == DT_GTK) {
4273 early_gtk_display_init();
4274 }
4275 #endif
4276
4277 socket_init();
4278
4279 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4280 exit(1);
4281 #ifdef CONFIG_VIRTFS
4282 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4283 exit(1);
4284 }
4285 #endif
4286
4287 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4288 os_pidfile_error();
4289 exit(1);
4290 }
4291
4292 /* store value for the future use */
4293 qemu_opt_set_number(qemu_find_opts_singleton("memory"), "size", ram_size);
4294
4295 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4296 != 0) {
4297 exit(0);
4298 }
4299
4300 if (qemu_opts_foreach(qemu_find_opts("object"),
4301 object_create, NULL, 0) != 0) {
4302 exit(1);
4303 }
4304
4305 machine_opts = qemu_get_machine_opts();
4306 if (qemu_opt_foreach(machine_opts, object_set_property, current_machine,
4307 1) < 0) {
4308 object_unref(OBJECT(current_machine));
4309 exit(1);
4310 }
4311
4312 configure_accelerator(machine_class);
4313
4314 if (qtest_chrdev) {
4315 Error *local_err = NULL;
4316 qtest_init(qtest_chrdev, qtest_log, &local_err);
4317 if (local_err) {
4318 error_report("%s", error_get_pretty(local_err));
4319 error_free(local_err);
4320 exit(1);
4321 }
4322 }
4323
4324 machine_opts = qemu_get_machine_opts();
4325 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4326 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4327 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4328 bios_name = qemu_opt_get(machine_opts, "firmware");
4329
4330 boot_order = machine_class->default_boot_order;
4331 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4332 if (opts) {
4333 char *normal_boot_order;
4334 const char *order, *once;
4335
4336 order = qemu_opt_get(opts, "order");
4337 if (order) {
4338 validate_bootdevices(order);
4339 boot_order = order;
4340 }
4341
4342 once = qemu_opt_get(opts, "once");
4343 if (once) {
4344 validate_bootdevices(once);
4345 normal_boot_order = g_strdup(boot_order);
4346 boot_order = once;
4347 qemu_register_reset(restore_boot_order, normal_boot_order);
4348 }
4349
4350 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4351 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4352 }
4353
4354 if (!kernel_cmdline) {
4355 kernel_cmdline = "";
4356 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4357 }
4358
4359 linux_boot = (kernel_filename != NULL);
4360
4361 if (!linux_boot && *kernel_cmdline != '\0') {
4362 fprintf(stderr, "-append only allowed with -kernel option\n");
4363 exit(1);
4364 }
4365
4366 if (!linux_boot && initrd_filename != NULL) {
4367 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4368 exit(1);
4369 }
4370
4371 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4372 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4373 exit(1);
4374 }
4375
4376 os_set_line_buffering();
4377
4378 qemu_init_cpu_loop();
4379 qemu_mutex_lock_iothread();
4380
4381 #ifdef CONFIG_SPICE
4382 /* spice needs the timers to be initialized by this point */
4383 qemu_spice_init();
4384 #endif
4385
4386 if (icount_opts) {
4387 if (kvm_enabled() || xen_enabled()) {
4388 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4389 exit(1);
4390 }
4391 configure_icount(icount_opts, &error_abort);
4392 qemu_opts_del(icount_opts);
4393 }
4394
4395 /* clean up network at qemu process termination */
4396 atexit(&net_cleanup);
4397
4398 if (net_init_clients() < 0) {
4399 exit(1);
4400 }
4401
4402 #ifdef CONFIG_TPM
4403 if (tpm_init() < 0) {
4404 exit(1);
4405 }
4406 #endif
4407
4408 /* init the bluetooth world */
4409 if (foreach_device_config(DEV_BT, bt_parse))
4410 exit(1);
4411
4412 if (!xen_enabled()) {
4413 /* On 32-bit hosts, QEMU is limited by virtual address space */
4414 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4415 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4416 exit(1);
4417 }
4418 }
4419
4420 blk_mig_init();
4421 ram_mig_init();
4422
4423 /* open the virtual block devices */
4424 if (snapshot)
4425 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4426 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4427 &machine_class->block_default_type, 1) != 0) {
4428 exit(1);
4429 }
4430
4431 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4432 CDROM_OPTS);
4433 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4434 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4435
4436 if (qemu_opts_foreach(qemu_find_opts("numa"), numa_init_func,
4437 NULL, 1) != 0) {
4438 exit(1);
4439 }
4440
4441 set_numa_nodes();
4442
4443 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4444 exit(1);
4445 }
4446
4447 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4448 exit(1);
4449 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4450 exit(1);
4451 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4452 exit(1);
4453 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4454 exit(1);
4455 }
4456 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4457 exit(1);
4458
4459 /* If no default VGA is requested, the default is "none". */
4460 if (default_vga) {
4461 if (cirrus_vga_available()) {
4462 vga_model = "cirrus";
4463 } else if (vga_available()) {
4464 vga_model = "std";
4465 }
4466 }
4467 if (vga_model) {
4468 select_vgahw(vga_model);
4469 }
4470
4471 if (watchdog) {
4472 i = select_watchdog(watchdog);
4473 if (i > 0)
4474 exit (i == 1 ? 1 : 0);
4475 }
4476
4477 if (machine_class->compat_props) {
4478 qdev_prop_register_global_list(machine_class->compat_props);
4479 }
4480 qemu_add_globals();
4481
4482 qdev_machine_init();
4483
4484 current_machine->ram_size = ram_size;
4485 current_machine->maxram_size = maxram_size;
4486 current_machine->ram_slots = ram_slots;
4487 current_machine->boot_order = boot_order;
4488 current_machine->cpu_model = cpu_model;
4489
4490 machine_class->init(current_machine);
4491
4492 audio_init();
4493
4494 cpu_synchronize_all_post_init();
4495
4496 set_numa_modes();
4497
4498 /* init USB devices */
4499 if (usb_enabled(false)) {
4500 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4501 exit(1);
4502 }
4503
4504 /* init generic devices */
4505 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4506 exit(1);
4507
4508 net_check_clients();
4509
4510 ds = init_displaystate();
4511
4512 /* init local displays */
4513 switch (display_type) {
4514 case DT_NOGRAPHIC:
4515 (void)ds; /* avoid warning if no display is configured */
4516 break;
4517 #if defined(CONFIG_CURSES)
4518 case DT_CURSES:
4519 curses_display_init(ds, full_screen);
4520 break;
4521 #endif
4522 #if defined(CONFIG_SDL)
4523 case DT_SDL:
4524 sdl_display_init(ds, full_screen, no_frame);
4525 break;
4526 #elif defined(CONFIG_COCOA)
4527 case DT_SDL:
4528 cocoa_display_init(ds, full_screen);
4529 break;
4530 #endif
4531 #if defined(CONFIG_GTK)
4532 case DT_GTK:
4533 gtk_display_init(ds, full_screen, grab_on_hover);
4534 break;
4535 #endif
4536 default:
4537 break;
4538 }
4539
4540 /* must be after terminal init, SDL library changes signal handlers */
4541 os_setup_signal_handling();
4542
4543 #ifdef CONFIG_VNC
4544 /* init remote displays */
4545 if (vnc_display) {
4546 Error *local_err = NULL;
4547 vnc_display_init(ds);
4548 vnc_display_open(ds, vnc_display, &local_err);
4549 if (local_err != NULL) {
4550 error_report("Failed to start VNC server on `%s': %s",
4551 vnc_display, error_get_pretty(local_err));
4552 error_free(local_err);
4553 exit(1);
4554 }
4555
4556 if (show_vnc_port) {
4557 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4558 }
4559 }
4560 #endif
4561 #ifdef CONFIG_SPICE
4562 if (using_spice) {
4563 qemu_spice_display_init();
4564 }
4565 #endif
4566
4567 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4568 exit(1);
4569 }
4570
4571 qdev_machine_creation_done();
4572
4573 if (rom_load_all() != 0) {
4574 fprintf(stderr, "rom loading failed\n");
4575 exit(1);
4576 }
4577
4578 /* TODO: once all bus devices are qdevified, this should be done
4579 * when bus is created by qdev.c */
4580 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4581 qemu_run_machine_init_done_notifiers();
4582
4583 /* Done notifiers can load ROMs */
4584 rom_load_done();
4585
4586 qemu_system_reset(VMRESET_SILENT);
4587 if (loadvm) {
4588 if (load_vmstate(loadvm) < 0) {
4589 autostart = 0;
4590 }
4591 }
4592
4593 qdev_prop_check_global();
4594 if (vmstate_dump_file) {
4595 /* dump and exit */
4596 dump_vmstate_json_to_file(vmstate_dump_file);
4597 return 0;
4598 }
4599
4600 if (incoming) {
4601 Error *local_err = NULL;
4602 qemu_start_incoming_migration(incoming, &local_err);
4603 if (local_err) {
4604 error_report("-incoming %s: %s", incoming,
4605 error_get_pretty(local_err));
4606 error_free(local_err);
4607 exit(1);
4608 }
4609 } else if (autostart) {
4610 vm_start();
4611 }
4612
4613 os_setup_post();
4614
4615 if (is_daemonized()) {
4616 if (!trace_init_backends(trace_events, trace_file)) {
4617 exit(1);
4618 }
4619 }
4620
4621 main_loop();
4622 bdrv_close_all();
4623 pause_all_vcpus();
4624 res_free();
4625 #ifdef CONFIG_TPM
4626 tpm_cleanup();
4627 #endif
4628
4629 return 0;
4630 }
AR7 emulation for QEMU