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qapi: Improve chardev-add documentation
[qemu/pbrook.git] / vl.c
blob1355f6959eaf0b8190db50d20e00b2bdc2386b18
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 #include <zlib.h>
31 #include "qemu/bitmap.h"
32
33 /* Needed early for CONFIG_BSD etc. */
34 #include "config-host.h"
35
36 #ifndef _WIN32
37 #include <libgen.h>
38 #include <sys/times.h>
39 #include <sys/wait.h>
40 #include <termios.h>
41 #include <sys/mman.h>
42 #include <sys/ioctl.h>
43 #include <sys/resource.h>
44 #include <sys/socket.h>
45 #include <netinet/in.h>
46 #include <net/if.h>
47 #include <arpa/inet.h>
48 #include <dirent.h>
49 #include <netdb.h>
50 #include <sys/select.h>
51
52 #ifdef CONFIG_BSD
53 #include <sys/stat.h>
54 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
55 #include <sys/sysctl.h>
56 #else
57 #include <util.h>
58 #endif
59 #else
60 #ifdef __linux__
61 #include <malloc.h>
62
63 #include <linux/ppdev.h>
64 #include <linux/parport.h>
65 #endif
66
67 #ifdef CONFIG_SECCOMP
68 #include "sysemu/seccomp.h"
69 #endif
70
71 #ifdef __sun__
72 #include <sys/stat.h>
73 #include <sys/ethernet.h>
74 #include <sys/sockio.h>
75 #include <netinet/arp.h>
76 #include <netinet/in_systm.h>
77 #include <netinet/ip.h>
78 #include <netinet/ip_icmp.h> // must come after ip.h
79 #include <netinet/udp.h>
80 #include <netinet/tcp.h>
81 #include <net/if.h>
82 #include <syslog.h>
83 #include <stropts.h>
84 #endif
85 #endif
86 #endif
87
88 #if defined(CONFIG_VDE)
89 #include <libvdeplug.h>
90 #endif
91
92 #ifdef _WIN32
93 #include <windows.h>
94 #endif
95
96 #ifdef CONFIG_SDL
97 #if defined(__APPLE__) || defined(main)
98 #include <SDL.h>
99 int qemu_main(int argc, char **argv, char **envp);
100 int main(int argc, char **argv)
101 {
102 return qemu_main(argc, argv, NULL);
103 }
104 #undef main
105 #define main qemu_main
106 #endif
107 #endif /* CONFIG_SDL */
108
109 #ifdef CONFIG_COCOA
110 #undef main
111 #define main qemu_main
112 #endif /* CONFIG_COCOA */
113
114 #include <glib.h>
115
116 #include "hw/hw.h"
117 #include "hw/boards.h"
118 #include "hw/usb.h"
119 #include "hw/pcmcia.h"
120 #include "hw/pc.h"
121 #include "hw/isa.h"
122 #include "hw/baum.h"
123 #include "hw/bt.h"
124 #include "hw/watchdog.h"
125 #include "hw/smbios.h"
126 #include "hw/xen.h"
127 #include "hw/qdev.h"
128 #include "hw/loader.h"
129 #include "bt/bt.h"
130 #include "net/net.h"
131 #include "net/slirp.h"
132 #include "monitor/monitor.h"
133 #include "ui/console.h"
134 #include "sysemu/sysemu.h"
135 #include "exec/gdbstub.h"
136 #include "qemu/timer.h"
137 #include "char/char.h"
138 #include "qemu/cache-utils.h"
139 #include "sysemu/blockdev.h"
140 #include "hw/block-common.h"
141 #include "migration/block.h"
142 #include "sysemu/dma.h"
143 #include "audio/audio.h"
144 #include "migration/migration.h"
145 #include "sysemu/kvm.h"
146 #include "qapi/qmp/qjson.h"
147 #include "qemu/option.h"
148 #include "qemu/config-file.h"
149 #include "qemu-options.h"
150 #include "qmp-commands.h"
151 #include "qemu/main-loop.h"
152 #ifdef CONFIG_VIRTFS
153 #include "fsdev/qemu-fsdev.h"
154 #endif
155 #include "sysemu/qtest.h"
156
157 #include "disas/disas.h"
158
159 #include "qemu/sockets.h"
160
161 #include "slirp/libslirp.h"
162
163 #include "trace.h"
164 #include "trace/control.h"
165 #include "qemu/queue.h"
166 #include "sysemu/cpus.h"
167 #include "sysemu/arch_init.h"
168 #include "qemu/osdep.h"
169
170 #include "ui/qemu-spice.h"
171 #include "qapi/string-input-visitor.h"
172
173 //#define DEBUG_NET
174 //#define DEBUG_SLIRP
175
176 #define DEFAULT_RAM_SIZE 128
177
178 #define MAX_VIRTIO_CONSOLES 1
179 #define MAX_SCLP_CONSOLES 1
180
181 static const char *data_dir;
182 const char *bios_name = NULL;
183 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
184 DisplayType display_type = DT_DEFAULT;
185 static int display_remote;
186 const char* keyboard_layout = NULL;
187 ram_addr_t ram_size;
188 const char *mem_path = NULL;
189 #ifdef MAP_POPULATE
190 int mem_prealloc = 0; /* force preallocation of physical target memory */
191 #endif
192 int nb_nics;
193 NICInfo nd_table[MAX_NICS];
194 int autostart;
195 static int rtc_utc = 1;
196 static int rtc_date_offset = -1; /* -1 means no change */
197 QEMUClock *rtc_clock;
198 int vga_interface_type = VGA_NONE;
199 static int full_screen = 0;
200 #ifdef CONFIG_SDL
201 static int no_frame = 0;
202 #endif
203 int no_quit = 0;
204 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
205 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
206 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
207 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
208 int win2k_install_hack = 0;
209 int singlestep = 0;
210 int smp_cpus = 1;
211 int max_cpus = 0;
212 int smp_cores = 1;
213 int smp_threads = 1;
214 #ifdef CONFIG_VNC
215 const char *vnc_display;
216 #endif
217 int acpi_enabled = 1;
218 int no_hpet = 0;
219 int fd_bootchk = 1;
220 static int no_reboot;
221 int no_shutdown = 0;
222 int cursor_hide = 1;
223 int graphic_rotate = 0;
224 const char *watchdog;
225 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
226 int nb_option_roms;
227 int semihosting_enabled = 0;
228 int old_param = 0;
229 const char *qemu_name;
230 int alt_grab = 0;
231 int ctrl_grab = 0;
232 unsigned int nb_prom_envs = 0;
233 const char *prom_envs[MAX_PROM_ENVS];
234 int boot_menu;
235 uint8_t *boot_splash_filedata;
236 size_t boot_splash_filedata_size;
237 uint8_t qemu_extra_params_fw[2];
238
239 typedef struct FWBootEntry FWBootEntry;
240
241 struct FWBootEntry {
242 QTAILQ_ENTRY(FWBootEntry) link;
243 int32_t bootindex;
244 DeviceState *dev;
245 char *suffix;
246 };
247
248 static QTAILQ_HEAD(, FWBootEntry) fw_boot_order =
249 QTAILQ_HEAD_INITIALIZER(fw_boot_order);
250
251 int nb_numa_nodes;
252 uint64_t node_mem[MAX_NODES];
253 unsigned long *node_cpumask[MAX_NODES];
254
255 uint8_t qemu_uuid[16];
256
257 static QEMUBootSetHandler *boot_set_handler;
258 static void *boot_set_opaque;
259
260 static NotifierList exit_notifiers =
261 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
262
263 static NotifierList machine_init_done_notifiers =
264 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
265
266 static bool tcg_allowed = true;
267 bool kvm_allowed;
268 bool xen_allowed;
269 uint32_t xen_domid;
270 enum xen_mode xen_mode = XEN_EMULATE;
271 static int tcg_tb_size;
272
273 static int default_serial = 1;
274 static int default_parallel = 1;
275 static int default_virtcon = 1;
276 static int default_sclp = 1;
277 static int default_monitor = 1;
278 static int default_floppy = 1;
279 static int default_cdrom = 1;
280 static int default_sdcard = 1;
281 static int default_vga = 1;
282
283 static struct {
284 const char *driver;
285 int *flag;
286 } default_list[] = {
287 { .driver = "isa-serial", .flag = &default_serial },
288 { .driver = "isa-parallel", .flag = &default_parallel },
289 { .driver = "isa-fdc", .flag = &default_floppy },
290 { .driver = "ide-cd", .flag = &default_cdrom },
291 { .driver = "ide-hd", .flag = &default_cdrom },
292 { .driver = "ide-drive", .flag = &default_cdrom },
293 { .driver = "scsi-cd", .flag = &default_cdrom },
294 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
295 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
296 { .driver = "virtio-serial", .flag = &default_virtcon },
297 { .driver = "VGA", .flag = &default_vga },
298 { .driver = "isa-vga", .flag = &default_vga },
299 { .driver = "cirrus-vga", .flag = &default_vga },
300 { .driver = "isa-cirrus-vga", .flag = &default_vga },
301 { .driver = "vmware-svga", .flag = &default_vga },
302 { .driver = "qxl-vga", .flag = &default_vga },
303 };
304
305 static QemuOptsList qemu_rtc_opts = {
306 .name = "rtc",
307 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
308 .desc = {
309 {
310 .name = "base",
311 .type = QEMU_OPT_STRING,
312 },{
313 .name = "clock",
314 .type = QEMU_OPT_STRING,
315 },{
316 .name = "driftfix",
317 .type = QEMU_OPT_STRING,
318 },
319 { /* end of list */ }
320 },
321 };
322
323 static QemuOptsList qemu_sandbox_opts = {
324 .name = "sandbox",
325 .implied_opt_name = "enable",
326 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
327 .desc = {
328 {
329 .name = "enable",
330 .type = QEMU_OPT_BOOL,
331 },
332 { /* end of list */ }
333 },
334 };
335
336 static QemuOptsList qemu_trace_opts = {
337 .name = "trace",
338 .implied_opt_name = "trace",
339 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
340 .desc = {
341 {
342 .name = "events",
343 .type = QEMU_OPT_STRING,
344 },{
345 .name = "file",
346 .type = QEMU_OPT_STRING,
347 },
348 { /* end of list */ }
349 },
350 };
351
352 static QemuOptsList qemu_option_rom_opts = {
353 .name = "option-rom",
354 .implied_opt_name = "romfile",
355 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
356 .desc = {
357 {
358 .name = "bootindex",
359 .type = QEMU_OPT_NUMBER,
360 }, {
361 .name = "romfile",
362 .type = QEMU_OPT_STRING,
363 },
364 { /* end of list */ }
365 },
366 };
367
368 static QemuOptsList qemu_machine_opts = {
369 .name = "machine",
370 .implied_opt_name = "type",
371 .merge_lists = true,
372 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
373 .desc = {
374 {
375 .name = "type",
376 .type = QEMU_OPT_STRING,
377 .help = "emulated machine"
378 }, {
379 .name = "accel",
380 .type = QEMU_OPT_STRING,
381 .help = "accelerator list",
382 }, {
383 .name = "kernel_irqchip",
384 .type = QEMU_OPT_BOOL,
385 .help = "use KVM in-kernel irqchip",
386 }, {
387 .name = "kvm_shadow_mem",
388 .type = QEMU_OPT_SIZE,
389 .help = "KVM shadow MMU size",
390 }, {
391 .name = "kernel",
392 .type = QEMU_OPT_STRING,
393 .help = "Linux kernel image file",
394 }, {
395 .name = "initrd",
396 .type = QEMU_OPT_STRING,
397 .help = "Linux initial ramdisk file",
398 }, {
399 .name = "append",
400 .type = QEMU_OPT_STRING,
401 .help = "Linux kernel command line",
402 }, {
403 .name = "dtb",
404 .type = QEMU_OPT_STRING,
405 .help = "Linux kernel device tree file",
406 }, {
407 .name = "dumpdtb",
408 .type = QEMU_OPT_STRING,
409 .help = "Dump current dtb to a file and quit",
410 }, {
411 .name = "phandle_start",
412 .type = QEMU_OPT_STRING,
413 .help = "The first phandle ID we may generate dynamically",
414 }, {
415 .name = "dt_compatible",
416 .type = QEMU_OPT_STRING,
417 .help = "Overrides the \"compatible\" property of the dt root node",
418 }, {
419 .name = "dump-guest-core",
420 .type = QEMU_OPT_BOOL,
421 .help = "Include guest memory in a core dump",
422 }, {
423 .name = "mem-merge",
424 .type = QEMU_OPT_BOOL,
425 .help = "enable/disable memory merge support",
426 },{
427 .name = "usb",
428 .type = QEMU_OPT_BOOL,
429 .help = "Set on/off to enable/disable usb",
430 },
431 { /* End of list */ }
432 },
433 };
434
435 static QemuOptsList qemu_boot_opts = {
436 .name = "boot-opts",
437 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
438 .desc = {
439 /* the three names below are not used now */
440 {
441 .name = "order",
442 .type = QEMU_OPT_STRING,
443 }, {
444 .name = "once",
445 .type = QEMU_OPT_STRING,
446 }, {
447 .name = "menu",
448 .type = QEMU_OPT_STRING,
449 /* following are really used */
450 }, {
451 .name = "splash",
452 .type = QEMU_OPT_STRING,
453 }, {
454 .name = "splash-time",
455 .type = QEMU_OPT_STRING,
456 }, {
457 .name = "reboot-timeout",
458 .type = QEMU_OPT_STRING,
459 },
460 { /*End of list */ }
461 },
462 };
463
464 static QemuOptsList qemu_add_fd_opts = {
465 .name = "add-fd",
466 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
467 .desc = {
468 {
469 .name = "fd",
470 .type = QEMU_OPT_NUMBER,
471 .help = "file descriptor of which a duplicate is added to fd set",
472 },{
473 .name = "set",
474 .type = QEMU_OPT_NUMBER,
475 .help = "ID of the fd set to add fd to",
476 },{
477 .name = "opaque",
478 .type = QEMU_OPT_STRING,
479 .help = "free-form string used to describe fd",
480 },
481 { /* end of list */ }
482 },
483 };
484
485 static QemuOptsList qemu_object_opts = {
486 .name = "object",
487 .implied_opt_name = "qom-type",
488 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
489 .desc = {
490 { }
491 },
492 };
493
494 const char *qemu_get_vm_name(void)
495 {
496 return qemu_name;
497 }
498
499 static void res_free(void)
500 {
501 if (boot_splash_filedata != NULL) {
502 g_free(boot_splash_filedata);
503 boot_splash_filedata = NULL;
504 }
505 }
506
507 static int default_driver_check(QemuOpts *opts, void *opaque)
508 {
509 const char *driver = qemu_opt_get(opts, "driver");
510 int i;
511
512 if (!driver)
513 return 0;
514 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
515 if (strcmp(default_list[i].driver, driver) != 0)
516 continue;
517 *(default_list[i].flag) = 0;
518 }
519 return 0;
520 }
521
522 /***********************************************************/
523 /* QEMU state */
524
525 static RunState current_run_state = RUN_STATE_PRELAUNCH;
526
527 typedef struct {
528 RunState from;
529 RunState to;
530 } RunStateTransition;
531
532 static const RunStateTransition runstate_transitions_def[] = {
533 /* from -> to */
534 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
535
536 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
537 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
538
539 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
540 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
541
542 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
543 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
544
545 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
546 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
547
548 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
549 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
550
551 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
552 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
553 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
554
555 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
556 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
557
558 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
559
560 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
561 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
562 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
563 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
564 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
565 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
566 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
567 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
568 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
569
570 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
571
572 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
573 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
574
575 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
576 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
577 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
578 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
579
580 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
581 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
582
583 { RUN_STATE_MAX, RUN_STATE_MAX },
584 };
585
586 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
587
588 bool runstate_check(RunState state)
589 {
590 return current_run_state == state;
591 }
592
593 static void runstate_init(void)
594 {
595 const RunStateTransition *p;
596
597 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
598
599 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
600 runstate_valid_transitions[p->from][p->to] = true;
601 }
602 }
603
604 /* This function will abort() on invalid state transitions */
605 void runstate_set(RunState new_state)
606 {
607 assert(new_state < RUN_STATE_MAX);
608
609 if (!runstate_valid_transitions[current_run_state][new_state]) {
610 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
611 RunState_lookup[current_run_state],
612 RunState_lookup[new_state]);
613 abort();
614 }
615
616 current_run_state = new_state;
617 }
618
619 int runstate_is_running(void)
620 {
621 return runstate_check(RUN_STATE_RUNNING);
622 }
623
624 StatusInfo *qmp_query_status(Error **errp)
625 {
626 StatusInfo *info = g_malloc0(sizeof(*info));
627
628 info->running = runstate_is_running();
629 info->singlestep = singlestep;
630 info->status = current_run_state;
631
632 return info;
633 }
634
635 /***********************************************************/
636 /* real time host monotonic timer */
637
638 /***********************************************************/
639 /* host time/date access */
640 void qemu_get_timedate(struct tm *tm, int offset)
641 {
642 time_t ti;
643
644 time(&ti);
645 ti += offset;
646 if (rtc_date_offset == -1) {
647 if (rtc_utc)
648 gmtime_r(&ti, tm);
649 else
650 localtime_r(&ti, tm);
651 } else {
652 ti -= rtc_date_offset;
653 gmtime_r(&ti, tm);
654 }
655 }
656
657 int qemu_timedate_diff(struct tm *tm)
658 {
659 time_t seconds;
660
661 if (rtc_date_offset == -1)
662 if (rtc_utc)
663 seconds = mktimegm(tm);
664 else {
665 struct tm tmp = *tm;
666 tmp.tm_isdst = -1; /* use timezone to figure it out */
667 seconds = mktime(&tmp);
668 }
669 else
670 seconds = mktimegm(tm) + rtc_date_offset;
671
672 return seconds - time(NULL);
673 }
674
675 void rtc_change_mon_event(struct tm *tm)
676 {
677 QObject *data;
678
679 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
680 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
681 qobject_decref(data);
682 }
683
684 static void configure_rtc_date_offset(const char *startdate, int legacy)
685 {
686 time_t rtc_start_date;
687 struct tm tm;
688
689 if (!strcmp(startdate, "now") && legacy) {
690 rtc_date_offset = -1;
691 } else {
692 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
693 &tm.tm_year,
694 &tm.tm_mon,
695 &tm.tm_mday,
696 &tm.tm_hour,
697 &tm.tm_min,
698 &tm.tm_sec) == 6) {
699 /* OK */
700 } else if (sscanf(startdate, "%d-%d-%d",
701 &tm.tm_year,
702 &tm.tm_mon,
703 &tm.tm_mday) == 3) {
704 tm.tm_hour = 0;
705 tm.tm_min = 0;
706 tm.tm_sec = 0;
707 } else {
708 goto date_fail;
709 }
710 tm.tm_year -= 1900;
711 tm.tm_mon--;
712 rtc_start_date = mktimegm(&tm);
713 if (rtc_start_date == -1) {
714 date_fail:
715 fprintf(stderr, "Invalid date format. Valid formats are:\n"
716 "'2006-06-17T16:01:21' or '2006-06-17'\n");
717 exit(1);
718 }
719 rtc_date_offset = time(NULL) - rtc_start_date;
720 }
721 }
722
723 static void configure_rtc(QemuOpts *opts)
724 {
725 const char *value;
726
727 value = qemu_opt_get(opts, "base");
728 if (value) {
729 if (!strcmp(value, "utc")) {
730 rtc_utc = 1;
731 } else if (!strcmp(value, "localtime")) {
732 rtc_utc = 0;
733 } else {
734 configure_rtc_date_offset(value, 0);
735 }
736 }
737 value = qemu_opt_get(opts, "clock");
738 if (value) {
739 if (!strcmp(value, "host")) {
740 rtc_clock = host_clock;
741 } else if (!strcmp(value, "rt")) {
742 rtc_clock = rt_clock;
743 } else if (!strcmp(value, "vm")) {
744 rtc_clock = vm_clock;
745 } else {
746 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
747 exit(1);
748 }
749 }
750 value = qemu_opt_get(opts, "driftfix");
751 if (value) {
752 if (!strcmp(value, "slew")) {
753 static GlobalProperty slew_lost_ticks[] = {
754 {
755 .driver = "mc146818rtc",
756 .property = "lost_tick_policy",
757 .value = "slew",
758 },
759 { /* end of list */ }
760 };
761
762 qdev_prop_register_global_list(slew_lost_ticks);
763 } else if (!strcmp(value, "none")) {
764 /* discard is default */
765 } else {
766 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
767 exit(1);
768 }
769 }
770 }
771
772 /***********************************************************/
773 /* Bluetooth support */
774 static int nb_hcis;
775 static int cur_hci;
776 static struct HCIInfo *hci_table[MAX_NICS];
777
778 static struct bt_vlan_s {
779 struct bt_scatternet_s net;
780 int id;
781 struct bt_vlan_s *next;
782 } *first_bt_vlan;
783
784 /* find or alloc a new bluetooth "VLAN" */
785 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
786 {
787 struct bt_vlan_s **pvlan, *vlan;
788 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
789 if (vlan->id == id)
790 return &vlan->net;
791 }
792 vlan = g_malloc0(sizeof(struct bt_vlan_s));
793 vlan->id = id;
794 pvlan = &first_bt_vlan;
795 while (*pvlan != NULL)
796 pvlan = &(*pvlan)->next;
797 *pvlan = vlan;
798 return &vlan->net;
799 }
800
801 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
802 {
803 }
804
805 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
806 {
807 return -ENOTSUP;
808 }
809
810 static struct HCIInfo null_hci = {
811 .cmd_send = null_hci_send,
812 .sco_send = null_hci_send,
813 .acl_send = null_hci_send,
814 .bdaddr_set = null_hci_addr_set,
815 };
816
817 struct HCIInfo *qemu_next_hci(void)
818 {
819 if (cur_hci == nb_hcis)
820 return &null_hci;
821
822 return hci_table[cur_hci++];
823 }
824
825 static struct HCIInfo *hci_init(const char *str)
826 {
827 char *endp;
828 struct bt_scatternet_s *vlan = 0;
829
830 if (!strcmp(str, "null"))
831 /* null */
832 return &null_hci;
833 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
834 /* host[:hciN] */
835 return bt_host_hci(str[4] ? str + 5 : "hci0");
836 else if (!strncmp(str, "hci", 3)) {
837 /* hci[,vlan=n] */
838 if (str[3]) {
839 if (!strncmp(str + 3, ",vlan=", 6)) {
840 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
841 if (*endp)
842 vlan = 0;
843 }
844 } else
845 vlan = qemu_find_bt_vlan(0);
846 if (vlan)
847 return bt_new_hci(vlan);
848 }
849
850 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
851
852 return 0;
853 }
854
855 static int bt_hci_parse(const char *str)
856 {
857 struct HCIInfo *hci;
858 bdaddr_t bdaddr;
859
860 if (nb_hcis >= MAX_NICS) {
861 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
862 return -1;
863 }
864
865 hci = hci_init(str);
866 if (!hci)
867 return -1;
868
869 bdaddr.b[0] = 0x52;
870 bdaddr.b[1] = 0x54;
871 bdaddr.b[2] = 0x00;
872 bdaddr.b[3] = 0x12;
873 bdaddr.b[4] = 0x34;
874 bdaddr.b[5] = 0x56 + nb_hcis;
875 hci->bdaddr_set(hci, bdaddr.b);
876
877 hci_table[nb_hcis++] = hci;
878
879 return 0;
880 }
881
882 static void bt_vhci_add(int vlan_id)
883 {
884 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
885
886 if (!vlan->slave)
887 fprintf(stderr, "qemu: warning: adding a VHCI to "
888 "an empty scatternet %i\n", vlan_id);
889
890 bt_vhci_init(bt_new_hci(vlan));
891 }
892
893 static struct bt_device_s *bt_device_add(const char *opt)
894 {
895 struct bt_scatternet_s *vlan;
896 int vlan_id = 0;
897 char *endp = strstr(opt, ",vlan=");
898 int len = (endp ? endp - opt : strlen(opt)) + 1;
899 char devname[10];
900
901 pstrcpy(devname, MIN(sizeof(devname), len), opt);
902
903 if (endp) {
904 vlan_id = strtol(endp + 6, &endp, 0);
905 if (*endp) {
906 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
907 return 0;
908 }
909 }
910
911 vlan = qemu_find_bt_vlan(vlan_id);
912
913 if (!vlan->slave)
914 fprintf(stderr, "qemu: warning: adding a slave device to "
915 "an empty scatternet %i\n", vlan_id);
916
917 if (!strcmp(devname, "keyboard"))
918 return bt_keyboard_init(vlan);
919
920 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
921 return 0;
922 }
923
924 static int bt_parse(const char *opt)
925 {
926 const char *endp, *p;
927 int vlan;
928
929 if (strstart(opt, "hci", &endp)) {
930 if (!*endp || *endp == ',') {
931 if (*endp)
932 if (!strstart(endp, ",vlan=", 0))
933 opt = endp + 1;
934
935 return bt_hci_parse(opt);
936 }
937 } else if (strstart(opt, "vhci", &endp)) {
938 if (!*endp || *endp == ',') {
939 if (*endp) {
940 if (strstart(endp, ",vlan=", &p)) {
941 vlan = strtol(p, (char **) &endp, 0);
942 if (*endp) {
943 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
944 return 1;
945 }
946 } else {
947 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
948 return 1;
949 }
950 } else
951 vlan = 0;
952
953 bt_vhci_add(vlan);
954 return 0;
955 }
956 } else if (strstart(opt, "device:", &endp))
957 return !bt_device_add(endp);
958
959 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
960 return 1;
961 }
962
963 static int parse_sandbox(QemuOpts *opts, void *opaque)
964 {
965 /* FIXME: change this to true for 1.3 */
966 if (qemu_opt_get_bool(opts, "enable", false)) {
967 #ifdef CONFIG_SECCOMP
968 if (seccomp_start() < 0) {
969 qerror_report(ERROR_CLASS_GENERIC_ERROR,
970 "failed to install seccomp syscall filter in the kernel");
971 return -1;
972 }
973 #else
974 qerror_report(ERROR_CLASS_GENERIC_ERROR,
975 "sandboxing request but seccomp is not compiled into this build");
976 return -1;
977 #endif
978 }
979
980 return 0;
981 }
982
983 /*********QEMU USB setting******/
984 bool usb_enabled(bool default_usb)
985 {
986 QemuOpts *mach_opts;
987 mach_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
988 if (mach_opts) {
989 return qemu_opt_get_bool(mach_opts, "usb", default_usb);
990 }
991 return default_usb;
992 }
993
994 #ifndef _WIN32
995 static int parse_add_fd(QemuOpts *opts, void *opaque)
996 {
997 int fd, dupfd, flags;
998 int64_t fdset_id;
999 const char *fd_opaque = NULL;
1000
1001 fd = qemu_opt_get_number(opts, "fd", -1);
1002 fdset_id = qemu_opt_get_number(opts, "set", -1);
1003 fd_opaque = qemu_opt_get(opts, "opaque");
1004
1005 if (fd < 0) {
1006 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1007 "fd option is required and must be non-negative");
1008 return -1;
1009 }
1010
1011 if (fd <= STDERR_FILENO) {
1012 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1013 "fd cannot be a standard I/O stream");
1014 return -1;
1015 }
1016
1017 /*
1018 * All fds inherited across exec() necessarily have FD_CLOEXEC
1019 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1020 */
1021 flags = fcntl(fd, F_GETFD);
1022 if (flags == -1 || (flags & FD_CLOEXEC)) {
1023 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1024 "fd is not valid or already in use");
1025 return -1;
1026 }
1027
1028 if (fdset_id < 0) {
1029 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1030 "set option is required and must be non-negative");
1031 return -1;
1032 }
1033
1034 #ifdef F_DUPFD_CLOEXEC
1035 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1036 #else
1037 dupfd = dup(fd);
1038 if (dupfd != -1) {
1039 qemu_set_cloexec(dupfd);
1040 }
1041 #endif
1042 if (dupfd == -1) {
1043 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1044 "Error duplicating fd: %s", strerror(errno));
1045 return -1;
1046 }
1047
1048 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1049 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1050 fd_opaque, NULL);
1051
1052 return 0;
1053 }
1054
1055 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1056 {
1057 int fd;
1058
1059 fd = qemu_opt_get_number(opts, "fd", -1);
1060 close(fd);
1061
1062 return 0;
1063 }
1064 #endif
1065
1066 /***********************************************************/
1067 /* QEMU Block devices */
1068
1069 #define HD_OPTS "media=disk"
1070 #define CDROM_OPTS "media=cdrom"
1071 #define FD_OPTS ""
1072 #define PFLASH_OPTS ""
1073 #define MTD_OPTS ""
1074 #define SD_OPTS ""
1075
1076 static int drive_init_func(QemuOpts *opts, void *opaque)
1077 {
1078 BlockInterfaceType *block_default_type = opaque;
1079
1080 return drive_init(opts, *block_default_type) == NULL;
1081 }
1082
1083 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1084 {
1085 if (NULL == qemu_opt_get(opts, "snapshot")) {
1086 qemu_opt_set(opts, "snapshot", "on");
1087 }
1088 return 0;
1089 }
1090
1091 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1092 int index, const char *optstr)
1093 {
1094 QemuOpts *opts;
1095
1096 if (!enable || drive_get_by_index(type, index)) {
1097 return;
1098 }
1099
1100 opts = drive_add(type, index, NULL, optstr);
1101 if (snapshot) {
1102 drive_enable_snapshot(opts, NULL);
1103 }
1104 if (!drive_init(opts, type)) {
1105 exit(1);
1106 }
1107 }
1108
1109 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1110 {
1111 boot_set_handler = func;
1112 boot_set_opaque = opaque;
1113 }
1114
1115 int qemu_boot_set(const char *boot_devices)
1116 {
1117 if (!boot_set_handler) {
1118 return -EINVAL;
1119 }
1120 return boot_set_handler(boot_set_opaque, boot_devices);
1121 }
1122
1123 static void validate_bootdevices(char *devices)
1124 {
1125 /* We just do some generic consistency checks */
1126 const char *p;
1127 int bitmap = 0;
1128
1129 for (p = devices; *p != '\0'; p++) {
1130 /* Allowed boot devices are:
1131 * a-b: floppy disk drives
1132 * c-f: IDE disk drives
1133 * g-m: machine implementation dependent drives
1134 * n-p: network devices
1135 * It's up to each machine implementation to check if the given boot
1136 * devices match the actual hardware implementation and firmware
1137 * features.
1138 */
1139 if (*p < 'a' || *p > 'p') {
1140 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1141 exit(1);
1142 }
1143 if (bitmap & (1 << (*p - 'a'))) {
1144 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1145 exit(1);
1146 }
1147 bitmap |= 1 << (*p - 'a');
1148 }
1149 }
1150
1151 static void restore_boot_devices(void *opaque)
1152 {
1153 char *standard_boot_devices = opaque;
1154 static int first = 1;
1155
1156 /* Restore boot order and remove ourselves after the first boot */
1157 if (first) {
1158 first = 0;
1159 return;
1160 }
1161
1162 qemu_boot_set(standard_boot_devices);
1163
1164 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
1165 g_free(standard_boot_devices);
1166 }
1167
1168 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
1169 const char *suffix)
1170 {
1171 FWBootEntry *node, *i;
1172
1173 if (bootindex < 0) {
1174 return;
1175 }
1176
1177 assert(dev != NULL || suffix != NULL);
1178
1179 node = g_malloc0(sizeof(FWBootEntry));
1180 node->bootindex = bootindex;
1181 node->suffix = suffix ? g_strdup(suffix) : NULL;
1182 node->dev = dev;
1183
1184 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1185 if (i->bootindex == bootindex) {
1186 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1187 exit(1);
1188 } else if (i->bootindex < bootindex) {
1189 continue;
1190 }
1191 QTAILQ_INSERT_BEFORE(i, node, link);
1192 return;
1193 }
1194 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1195 }
1196
1197 /*
1198 * This function returns null terminated string that consist of new line
1199 * separated device paths.
1200 *
1201 * memory pointed by "size" is assigned total length of the array in bytes
1202 *
1203 */
1204 char *get_boot_devices_list(size_t *size)
1205 {
1206 FWBootEntry *i;
1207 size_t total = 0;
1208 char *list = NULL;
1209
1210 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1211 char *devpath = NULL, *bootpath;
1212 size_t len;
1213
1214 if (i->dev) {
1215 devpath = qdev_get_fw_dev_path(i->dev);
1216 assert(devpath);
1217 }
1218
1219 if (i->suffix && devpath) {
1220 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1221
1222 bootpath = g_malloc(bootpathlen);
1223 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1224 g_free(devpath);
1225 } else if (devpath) {
1226 bootpath = devpath;
1227 } else {
1228 assert(i->suffix);
1229 bootpath = g_strdup(i->suffix);
1230 }
1231
1232 if (total) {
1233 list[total-1] = '\n';
1234 }
1235 len = strlen(bootpath) + 1;
1236 list = g_realloc(list, total + len);
1237 memcpy(&list[total], bootpath, len);
1238 total += len;
1239 g_free(bootpath);
1240 }
1241
1242 *size = total;
1243
1244 return list;
1245 }
1246
1247 static void numa_node_parse_cpus(int nodenr, const char *cpus)
1248 {
1249 char *endptr;
1250 unsigned long long value, endvalue;
1251
1252 /* Empty CPU range strings will be considered valid, they will simply
1253 * not set any bit in the CPU bitmap.
1254 */
1255 if (!*cpus) {
1256 return;
1257 }
1258
1259 if (parse_uint(cpus, &value, &endptr, 10) < 0) {
1260 goto error;
1261 }
1262 if (*endptr == '-') {
1263 if (parse_uint_full(endptr + 1, &endvalue, 10) < 0) {
1264 goto error;
1265 }
1266 } else if (*endptr == '\0') {
1267 endvalue = value;
1268 } else {
1269 goto error;
1270 }
1271
1272 if (endvalue >= MAX_CPUMASK_BITS) {
1273 endvalue = MAX_CPUMASK_BITS - 1;
1274 fprintf(stderr,
1275 "qemu: NUMA: A max of %d VCPUs are supported\n",
1276 MAX_CPUMASK_BITS);
1277 }
1278
1279 if (endvalue < value) {
1280 goto error;
1281 }
1282
1283 bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
1284 return;
1285
1286 error:
1287 fprintf(stderr, "qemu: Invalid NUMA CPU range: %s\n", cpus);
1288 exit(1);
1289 }
1290
1291 static void numa_add(const char *optarg)
1292 {
1293 char option[128];
1294 char *endptr;
1295 unsigned long long nodenr;
1296
1297 optarg = get_opt_name(option, 128, optarg, ',');
1298 if (*optarg == ',') {
1299 optarg++;
1300 }
1301 if (!strcmp(option, "node")) {
1302
1303 if (nb_numa_nodes >= MAX_NODES) {
1304 fprintf(stderr, "qemu: too many NUMA nodes\n");
1305 exit(1);
1306 }
1307
1308 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1309 nodenr = nb_numa_nodes;
1310 } else {
1311 if (parse_uint_full(option, &nodenr, 10) < 0) {
1312 fprintf(stderr, "qemu: Invalid NUMA nodeid: %s\n", option);
1313 exit(1);
1314 }
1315 }
1316
1317 if (nodenr >= MAX_NODES) {
1318 fprintf(stderr, "qemu: invalid NUMA nodeid: %llu\n", nodenr);
1319 exit(1);
1320 }
1321
1322 if (get_param_value(option, 128, "mem", optarg) == 0) {
1323 node_mem[nodenr] = 0;
1324 } else {
1325 int64_t sval;
1326 sval = strtosz(option, &endptr);
1327 if (sval < 0 || *endptr) {
1328 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
1329 exit(1);
1330 }
1331 node_mem[nodenr] = sval;
1332 }
1333 if (get_param_value(option, 128, "cpus", optarg) != 0) {
1334 numa_node_parse_cpus(nodenr, option);
1335 }
1336 nb_numa_nodes++;
1337 } else {
1338 fprintf(stderr, "Invalid -numa option: %s\n", option);
1339 exit(1);
1340 }
1341 }
1342
1343 static void smp_parse(const char *optarg)
1344 {
1345 int smp, sockets = 0, threads = 0, cores = 0;
1346 char *endptr;
1347 char option[128];
1348
1349 smp = strtoul(optarg, &endptr, 10);
1350 if (endptr != optarg) {
1351 if (*endptr == ',') {
1352 endptr++;
1353 }
1354 }
1355 if (get_param_value(option, 128, "sockets", endptr) != 0)
1356 sockets = strtoull(option, NULL, 10);
1357 if (get_param_value(option, 128, "cores", endptr) != 0)
1358 cores = strtoull(option, NULL, 10);
1359 if (get_param_value(option, 128, "threads", endptr) != 0)
1360 threads = strtoull(option, NULL, 10);
1361 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1362 max_cpus = strtoull(option, NULL, 10);
1363
1364 /* compute missing values, prefer sockets over cores over threads */
1365 if (smp == 0 || sockets == 0) {
1366 sockets = sockets > 0 ? sockets : 1;
1367 cores = cores > 0 ? cores : 1;
1368 threads = threads > 0 ? threads : 1;
1369 if (smp == 0) {
1370 smp = cores * threads * sockets;
1371 }
1372 } else {
1373 if (cores == 0) {
1374 threads = threads > 0 ? threads : 1;
1375 cores = smp / (sockets * threads);
1376 } else {
1377 threads = smp / (cores * sockets);
1378 }
1379 }
1380 smp_cpus = smp;
1381 smp_cores = cores > 0 ? cores : 1;
1382 smp_threads = threads > 0 ? threads : 1;
1383 if (max_cpus == 0)
1384 max_cpus = smp_cpus;
1385 }
1386
1387 /***********************************************************/
1388 /* USB devices */
1389
1390 static int usb_device_add(const char *devname)
1391 {
1392 const char *p;
1393 USBDevice *dev = NULL;
1394
1395 if (!usb_enabled(false)) {
1396 return -1;
1397 }
1398
1399 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1400 dev = usbdevice_create(devname);
1401 if (dev)
1402 goto done;
1403
1404 /* the other ones */
1405 #ifndef CONFIG_LINUX
1406 /* only the linux version is qdev-ified, usb-bsd still needs this */
1407 if (strstart(devname, "host:", &p)) {
1408 dev = usb_host_device_open(usb_bus_find(-1), p);
1409 } else
1410 #endif
1411 if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1412 dev = usb_bt_init(usb_bus_find(-1),
1413 devname[2] ? hci_init(p)
1414 : bt_new_hci(qemu_find_bt_vlan(0)));
1415 } else {
1416 return -1;
1417 }
1418 if (!dev)
1419 return -1;
1420
1421 done:
1422 return 0;
1423 }
1424
1425 static int usb_device_del(const char *devname)
1426 {
1427 int bus_num, addr;
1428 const char *p;
1429
1430 if (strstart(devname, "host:", &p))
1431 return usb_host_device_close(p);
1432
1433 if (!usb_enabled(false)) {
1434 return -1;
1435 }
1436
1437 p = strchr(devname, '.');
1438 if (!p)
1439 return -1;
1440 bus_num = strtoul(devname, NULL, 0);
1441 addr = strtoul(p + 1, NULL, 0);
1442
1443 return usb_device_delete_addr(bus_num, addr);
1444 }
1445
1446 static int usb_parse(const char *cmdline)
1447 {
1448 int r;
1449 r = usb_device_add(cmdline);
1450 if (r < 0) {
1451 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1452 }
1453 return r;
1454 }
1455
1456 void do_usb_add(Monitor *mon, const QDict *qdict)
1457 {
1458 const char *devname = qdict_get_str(qdict, "devname");
1459 if (usb_device_add(devname) < 0) {
1460 error_report("could not add USB device '%s'", devname);
1461 }
1462 }
1463
1464 void do_usb_del(Monitor *mon, const QDict *qdict)
1465 {
1466 const char *devname = qdict_get_str(qdict, "devname");
1467 if (usb_device_del(devname) < 0) {
1468 error_report("could not delete USB device '%s'", devname);
1469 }
1470 }
1471
1472 /***********************************************************/
1473 /* PCMCIA/Cardbus */
1474
1475 static struct pcmcia_socket_entry_s {
1476 PCMCIASocket *socket;
1477 struct pcmcia_socket_entry_s *next;
1478 } *pcmcia_sockets = 0;
1479
1480 void pcmcia_socket_register(PCMCIASocket *socket)
1481 {
1482 struct pcmcia_socket_entry_s *entry;
1483
1484 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1485 entry->socket = socket;
1486 entry->next = pcmcia_sockets;
1487 pcmcia_sockets = entry;
1488 }
1489
1490 void pcmcia_socket_unregister(PCMCIASocket *socket)
1491 {
1492 struct pcmcia_socket_entry_s *entry, **ptr;
1493
1494 ptr = &pcmcia_sockets;
1495 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1496 if (entry->socket == socket) {
1497 *ptr = entry->next;
1498 g_free(entry);
1499 }
1500 }
1501
1502 void pcmcia_info(Monitor *mon, const QDict *qdict)
1503 {
1504 struct pcmcia_socket_entry_s *iter;
1505
1506 if (!pcmcia_sockets)
1507 monitor_printf(mon, "No PCMCIA sockets\n");
1508
1509 for (iter = pcmcia_sockets; iter; iter = iter->next)
1510 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1511 iter->socket->attached ? iter->socket->card_string :
1512 "Empty");
1513 }
1514
1515 /***********************************************************/
1516 /* machine registration */
1517
1518 static QEMUMachine *first_machine = NULL;
1519 QEMUMachine *current_machine = NULL;
1520
1521 int qemu_register_machine(QEMUMachine *m)
1522 {
1523 QEMUMachine **pm;
1524 pm = &first_machine;
1525 while (*pm != NULL)
1526 pm = &(*pm)->next;
1527 m->next = NULL;
1528 *pm = m;
1529 return 0;
1530 }
1531
1532 static QEMUMachine *find_machine(const char *name)
1533 {
1534 QEMUMachine *m;
1535
1536 for(m = first_machine; m != NULL; m = m->next) {
1537 if (!strcmp(m->name, name))
1538 return m;
1539 if (m->alias && !strcmp(m->alias, name))
1540 return m;
1541 }
1542 return NULL;
1543 }
1544
1545 QEMUMachine *find_default_machine(void)
1546 {
1547 QEMUMachine *m;
1548
1549 for(m = first_machine; m != NULL; m = m->next) {
1550 if (m->is_default) {
1551 return m;
1552 }
1553 }
1554 return NULL;
1555 }
1556
1557 MachineInfoList *qmp_query_machines(Error **errp)
1558 {
1559 MachineInfoList *mach_list = NULL;
1560 QEMUMachine *m;
1561
1562 for (m = first_machine; m; m = m->next) {
1563 MachineInfoList *entry;
1564 MachineInfo *info;
1565
1566 info = g_malloc0(sizeof(*info));
1567 if (m->is_default) {
1568 info->has_is_default = true;
1569 info->is_default = true;
1570 }
1571
1572 if (m->alias) {
1573 info->has_alias = true;
1574 info->alias = g_strdup(m->alias);
1575 }
1576
1577 info->name = g_strdup(m->name);
1578
1579 entry = g_malloc0(sizeof(*entry));
1580 entry->value = info;
1581 entry->next = mach_list;
1582 mach_list = entry;
1583 }
1584
1585 return mach_list;
1586 }
1587
1588 /***********************************************************/
1589 /* main execution loop */
1590
1591 static void gui_update(void *opaque)
1592 {
1593 uint64_t interval = GUI_REFRESH_INTERVAL;
1594 DisplayState *ds = opaque;
1595 DisplayChangeListener *dcl;
1596
1597 dpy_refresh(ds);
1598
1599 QLIST_FOREACH(dcl, &ds->listeners, next) {
1600 if (dcl->gui_timer_interval &&
1601 dcl->gui_timer_interval < interval)
1602 interval = dcl->gui_timer_interval;
1603 }
1604 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1605 }
1606
1607 void gui_setup_refresh(DisplayState *ds)
1608 {
1609 DisplayChangeListener *dcl;
1610 bool need_timer = false;
1611 bool have_gfx = false;
1612 bool have_text = false;
1613
1614 QLIST_FOREACH(dcl, &ds->listeners, next) {
1615 if (dcl->dpy_refresh != NULL) {
1616 need_timer = true;
1617 }
1618 if (dcl->dpy_gfx_update != NULL) {
1619 have_gfx = true;
1620 }
1621 if (dcl->dpy_text_update != NULL) {
1622 have_text = true;
1623 }
1624 }
1625
1626 if (need_timer && ds->gui_timer == NULL) {
1627 ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
1628 qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
1629 }
1630 if (!need_timer && ds->gui_timer != NULL) {
1631 qemu_del_timer(ds->gui_timer);
1632 qemu_free_timer(ds->gui_timer);
1633 ds->gui_timer = NULL;
1634 }
1635
1636 ds->have_gfx = have_gfx;
1637 ds->have_text = have_text;
1638 }
1639
1640 struct vm_change_state_entry {
1641 VMChangeStateHandler *cb;
1642 void *opaque;
1643 QLIST_ENTRY (vm_change_state_entry) entries;
1644 };
1645
1646 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1647
1648 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1649 void *opaque)
1650 {
1651 VMChangeStateEntry *e;
1652
1653 e = g_malloc0(sizeof (*e));
1654
1655 e->cb = cb;
1656 e->opaque = opaque;
1657 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1658 return e;
1659 }
1660
1661 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1662 {
1663 QLIST_REMOVE (e, entries);
1664 g_free (e);
1665 }
1666
1667 void vm_state_notify(int running, RunState state)
1668 {
1669 VMChangeStateEntry *e;
1670
1671 trace_vm_state_notify(running, state);
1672
1673 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1674 e->cb(e->opaque, running, state);
1675 }
1676 }
1677
1678 void vm_start(void)
1679 {
1680 if (!runstate_is_running()) {
1681 cpu_enable_ticks();
1682 runstate_set(RUN_STATE_RUNNING);
1683 vm_state_notify(1, RUN_STATE_RUNNING);
1684 resume_all_vcpus();
1685 monitor_protocol_event(QEVENT_RESUME, NULL);
1686 }
1687 }
1688
1689 /* reset/shutdown handler */
1690
1691 typedef struct QEMUResetEntry {
1692 QTAILQ_ENTRY(QEMUResetEntry) entry;
1693 QEMUResetHandler *func;
1694 void *opaque;
1695 } QEMUResetEntry;
1696
1697 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1698 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1699 static int reset_requested;
1700 static int shutdown_requested, shutdown_signal = -1;
1701 static pid_t shutdown_pid;
1702 static int powerdown_requested;
1703 static int debug_requested;
1704 static int suspend_requested;
1705 static int wakeup_requested;
1706 static NotifierList powerdown_notifiers =
1707 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1708 static NotifierList suspend_notifiers =
1709 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1710 static NotifierList wakeup_notifiers =
1711 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1712 static uint32_t wakeup_reason_mask = ~0;
1713 static RunState vmstop_requested = RUN_STATE_MAX;
1714
1715 int qemu_shutdown_requested_get(void)
1716 {
1717 return shutdown_requested;
1718 }
1719
1720 int qemu_reset_requested_get(void)
1721 {
1722 return reset_requested;
1723 }
1724
1725 static int qemu_shutdown_requested(void)
1726 {
1727 int r = shutdown_requested;
1728 shutdown_requested = 0;
1729 return r;
1730 }
1731
1732 static void qemu_kill_report(void)
1733 {
1734 if (!qtest_enabled() && shutdown_signal != -1) {
1735 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1736 if (shutdown_pid == 0) {
1737 /* This happens for eg ^C at the terminal, so it's worth
1738 * avoiding printing an odd message in that case.
1739 */
1740 fputc('\n', stderr);
1741 } else {
1742 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1743 }
1744 shutdown_signal = -1;
1745 }
1746 }
1747
1748 static int qemu_reset_requested(void)
1749 {
1750 int r = reset_requested;
1751 reset_requested = 0;
1752 return r;
1753 }
1754
1755 static int qemu_suspend_requested(void)
1756 {
1757 int r = suspend_requested;
1758 suspend_requested = 0;
1759 return r;
1760 }
1761
1762 static int qemu_wakeup_requested(void)
1763 {
1764 int r = wakeup_requested;
1765 wakeup_requested = 0;
1766 return r;
1767 }
1768
1769 static int qemu_powerdown_requested(void)
1770 {
1771 int r = powerdown_requested;
1772 powerdown_requested = 0;
1773 return r;
1774 }
1775
1776 static int qemu_debug_requested(void)
1777 {
1778 int r = debug_requested;
1779 debug_requested = 0;
1780 return r;
1781 }
1782
1783 /* We use RUN_STATE_MAX but any invalid value will do */
1784 static bool qemu_vmstop_requested(RunState *r)
1785 {
1786 if (vmstop_requested < RUN_STATE_MAX) {
1787 *r = vmstop_requested;
1788 vmstop_requested = RUN_STATE_MAX;
1789 return true;
1790 }
1791
1792 return false;
1793 }
1794
1795 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1796 {
1797 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1798
1799 re->func = func;
1800 re->opaque = opaque;
1801 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1802 }
1803
1804 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1805 {
1806 QEMUResetEntry *re;
1807
1808 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1809 if (re->func == func && re->opaque == opaque) {
1810 QTAILQ_REMOVE(&reset_handlers, re, entry);
1811 g_free(re);
1812 return;
1813 }
1814 }
1815 }
1816
1817 void qemu_devices_reset(void)
1818 {
1819 QEMUResetEntry *re, *nre;
1820
1821 /* reset all devices */
1822 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1823 re->func(re->opaque);
1824 }
1825 }
1826
1827 void qemu_system_reset(bool report)
1828 {
1829 if (current_machine && current_machine->reset) {
1830 current_machine->reset();
1831 } else {
1832 qemu_devices_reset();
1833 }
1834 if (report) {
1835 monitor_protocol_event(QEVENT_RESET, NULL);
1836 }
1837 cpu_synchronize_all_post_reset();
1838 }
1839
1840 void qemu_system_reset_request(void)
1841 {
1842 if (no_reboot) {
1843 shutdown_requested = 1;
1844 } else {
1845 reset_requested = 1;
1846 }
1847 cpu_stop_current();
1848 qemu_notify_event();
1849 }
1850
1851 static void qemu_system_suspend(void)
1852 {
1853 pause_all_vcpus();
1854 notifier_list_notify(&suspend_notifiers, NULL);
1855 runstate_set(RUN_STATE_SUSPENDED);
1856 monitor_protocol_event(QEVENT_SUSPEND, NULL);
1857 }
1858
1859 void qemu_system_suspend_request(void)
1860 {
1861 if (runstate_check(RUN_STATE_SUSPENDED)) {
1862 return;
1863 }
1864 suspend_requested = 1;
1865 cpu_stop_current();
1866 qemu_notify_event();
1867 }
1868
1869 void qemu_register_suspend_notifier(Notifier *notifier)
1870 {
1871 notifier_list_add(&suspend_notifiers, notifier);
1872 }
1873
1874 void qemu_system_wakeup_request(WakeupReason reason)
1875 {
1876 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1877 return;
1878 }
1879 if (!(wakeup_reason_mask & (1 << reason))) {
1880 return;
1881 }
1882 runstate_set(RUN_STATE_RUNNING);
1883 notifier_list_notify(&wakeup_notifiers, &reason);
1884 wakeup_requested = 1;
1885 qemu_notify_event();
1886 }
1887
1888 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1889 {
1890 if (enabled) {
1891 wakeup_reason_mask |= (1 << reason);
1892 } else {
1893 wakeup_reason_mask &= ~(1 << reason);
1894 }
1895 }
1896
1897 void qemu_register_wakeup_notifier(Notifier *notifier)
1898 {
1899 notifier_list_add(&wakeup_notifiers, notifier);
1900 }
1901
1902 void qemu_system_killed(int signal, pid_t pid)
1903 {
1904 shutdown_signal = signal;
1905 shutdown_pid = pid;
1906 no_shutdown = 0;
1907 qemu_system_shutdown_request();
1908 }
1909
1910 void qemu_system_shutdown_request(void)
1911 {
1912 shutdown_requested = 1;
1913 qemu_notify_event();
1914 }
1915
1916 static void qemu_system_powerdown(void)
1917 {
1918 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1919 notifier_list_notify(&powerdown_notifiers, NULL);
1920 }
1921
1922 void qemu_system_powerdown_request(void)
1923 {
1924 powerdown_requested = 1;
1925 qemu_notify_event();
1926 }
1927
1928 void qemu_register_powerdown_notifier(Notifier *notifier)
1929 {
1930 notifier_list_add(&powerdown_notifiers, notifier);
1931 }
1932
1933 void qemu_system_debug_request(void)
1934 {
1935 debug_requested = 1;
1936 qemu_notify_event();
1937 }
1938
1939 void qemu_system_vmstop_request(RunState state)
1940 {
1941 vmstop_requested = state;
1942 qemu_notify_event();
1943 }
1944
1945 static bool main_loop_should_exit(void)
1946 {
1947 RunState r;
1948 if (qemu_debug_requested()) {
1949 vm_stop(RUN_STATE_DEBUG);
1950 }
1951 if (qemu_suspend_requested()) {
1952 qemu_system_suspend();
1953 }
1954 if (qemu_shutdown_requested()) {
1955 qemu_kill_report();
1956 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1957 if (no_shutdown) {
1958 vm_stop(RUN_STATE_SHUTDOWN);
1959 } else {
1960 return true;
1961 }
1962 }
1963 if (qemu_reset_requested()) {
1964 pause_all_vcpus();
1965 cpu_synchronize_all_states();
1966 qemu_system_reset(VMRESET_REPORT);
1967 resume_all_vcpus();
1968 if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
1969 runstate_check(RUN_STATE_SHUTDOWN)) {
1970 runstate_set(RUN_STATE_PAUSED);
1971 }
1972 }
1973 if (qemu_wakeup_requested()) {
1974 pause_all_vcpus();
1975 cpu_synchronize_all_states();
1976 qemu_system_reset(VMRESET_SILENT);
1977 resume_all_vcpus();
1978 monitor_protocol_event(QEVENT_WAKEUP, NULL);
1979 }
1980 if (qemu_powerdown_requested()) {
1981 qemu_system_powerdown();
1982 }
1983 if (qemu_vmstop_requested(&r)) {
1984 vm_stop(r);
1985 }
1986 return false;
1987 }
1988
1989 static void main_loop(void)
1990 {
1991 bool nonblocking;
1992 int last_io = 0;
1993 #ifdef CONFIG_PROFILER
1994 int64_t ti;
1995 #endif
1996 do {
1997 nonblocking = !kvm_enabled() && last_io > 0;
1998 #ifdef CONFIG_PROFILER
1999 ti = profile_getclock();
2000 #endif
2001 last_io = main_loop_wait(nonblocking);
2002 #ifdef CONFIG_PROFILER
2003 dev_time += profile_getclock() - ti;
2004 #endif
2005 } while (!main_loop_should_exit());
2006 }
2007
2008 static void version(void)
2009 {
2010 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
2011 }
2012
2013 static void help(int exitcode)
2014 {
2015 version();
2016 printf("usage: %s [options] [disk_image]\n\n"
2017 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2018 error_get_progname());
2019
2020 #define QEMU_OPTIONS_GENERATE_HELP
2021 #include "qemu-options-wrapper.h"
2022
2023 printf("\nDuring emulation, the following keys are useful:\n"
2024 "ctrl-alt-f toggle full screen\n"
2025 "ctrl-alt-n switch to virtual console 'n'\n"
2026 "ctrl-alt toggle mouse and keyboard grab\n"
2027 "\n"
2028 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2029
2030 exit(exitcode);
2031 }
2032
2033 #define HAS_ARG 0x0001
2034
2035 typedef struct QEMUOption {
2036 const char *name;
2037 int flags;
2038 int index;
2039 uint32_t arch_mask;
2040 } QEMUOption;
2041
2042 static const QEMUOption qemu_options[] = {
2043 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2044 #define QEMU_OPTIONS_GENERATE_OPTIONS
2045 #include "qemu-options-wrapper.h"
2046 { NULL },
2047 };
2048
2049 static bool vga_available(void)
2050 {
2051 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2052 }
2053
2054 static bool cirrus_vga_available(void)
2055 {
2056 return object_class_by_name("cirrus-vga")
2057 || object_class_by_name("isa-cirrus-vga");
2058 }
2059
2060 static bool vmware_vga_available(void)
2061 {
2062 return object_class_by_name("vmware-svga");
2063 }
2064
2065 static bool qxl_vga_available(void)
2066 {
2067 return object_class_by_name("qxl-vga");
2068 }
2069
2070 static void select_vgahw (const char *p)
2071 {
2072 const char *opts;
2073
2074 vga_interface_type = VGA_NONE;
2075 if (strstart(p, "std", &opts)) {
2076 if (vga_available()) {
2077 vga_interface_type = VGA_STD;
2078 } else {
2079 fprintf(stderr, "Error: standard VGA not available\n");
2080 exit(0);
2081 }
2082 } else if (strstart(p, "cirrus", &opts)) {
2083 if (cirrus_vga_available()) {
2084 vga_interface_type = VGA_CIRRUS;
2085 } else {
2086 fprintf(stderr, "Error: Cirrus VGA not available\n");
2087 exit(0);
2088 }
2089 } else if (strstart(p, "vmware", &opts)) {
2090 if (vmware_vga_available()) {
2091 vga_interface_type = VGA_VMWARE;
2092 } else {
2093 fprintf(stderr, "Error: VMWare SVGA not available\n");
2094 exit(0);
2095 }
2096 } else if (strstart(p, "xenfb", &opts)) {
2097 vga_interface_type = VGA_XENFB;
2098 } else if (strstart(p, "qxl", &opts)) {
2099 if (qxl_vga_available()) {
2100 vga_interface_type = VGA_QXL;
2101 } else {
2102 fprintf(stderr, "Error: QXL VGA not available\n");
2103 exit(0);
2104 }
2105 } else if (!strstart(p, "none", &opts)) {
2106 invalid_vga:
2107 fprintf(stderr, "Unknown vga type: %s\n", p);
2108 exit(1);
2109 }
2110 while (*opts) {
2111 const char *nextopt;
2112
2113 if (strstart(opts, ",retrace=", &nextopt)) {
2114 opts = nextopt;
2115 if (strstart(opts, "dumb", &nextopt))
2116 vga_retrace_method = VGA_RETRACE_DUMB;
2117 else if (strstart(opts, "precise", &nextopt))
2118 vga_retrace_method = VGA_RETRACE_PRECISE;
2119 else goto invalid_vga;
2120 } else goto invalid_vga;
2121 opts = nextopt;
2122 }
2123 }
2124
2125 static DisplayType select_display(const char *p)
2126 {
2127 const char *opts;
2128 DisplayType display = DT_DEFAULT;
2129
2130 if (strstart(p, "sdl", &opts)) {
2131 #ifdef CONFIG_SDL
2132 display = DT_SDL;
2133 while (*opts) {
2134 const char *nextopt;
2135
2136 if (strstart(opts, ",frame=", &nextopt)) {
2137 opts = nextopt;
2138 if (strstart(opts, "on", &nextopt)) {
2139 no_frame = 0;
2140 } else if (strstart(opts, "off", &nextopt)) {
2141 no_frame = 1;
2142 } else {
2143 goto invalid_sdl_args;
2144 }
2145 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2146 opts = nextopt;
2147 if (strstart(opts, "on", &nextopt)) {
2148 alt_grab = 1;
2149 } else if (strstart(opts, "off", &nextopt)) {
2150 alt_grab = 0;
2151 } else {
2152 goto invalid_sdl_args;
2153 }
2154 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2155 opts = nextopt;
2156 if (strstart(opts, "on", &nextopt)) {
2157 ctrl_grab = 1;
2158 } else if (strstart(opts, "off", &nextopt)) {
2159 ctrl_grab = 0;
2160 } else {
2161 goto invalid_sdl_args;
2162 }
2163 } else if (strstart(opts, ",window_close=", &nextopt)) {
2164 opts = nextopt;
2165 if (strstart(opts, "on", &nextopt)) {
2166 no_quit = 0;
2167 } else if (strstart(opts, "off", &nextopt)) {
2168 no_quit = 1;
2169 } else {
2170 goto invalid_sdl_args;
2171 }
2172 } else {
2173 invalid_sdl_args:
2174 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2175 exit(1);
2176 }
2177 opts = nextopt;
2178 }
2179 #else
2180 fprintf(stderr, "SDL support is disabled\n");
2181 exit(1);
2182 #endif
2183 } else if (strstart(p, "vnc", &opts)) {
2184 #ifdef CONFIG_VNC
2185 display_remote++;
2186
2187 if (*opts) {
2188 const char *nextopt;
2189
2190 if (strstart(opts, "=", &nextopt)) {
2191 vnc_display = nextopt;
2192 }
2193 }
2194 if (!vnc_display) {
2195 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2196 exit(1);
2197 }
2198 #else
2199 fprintf(stderr, "VNC support is disabled\n");
2200 exit(1);
2201 #endif
2202 } else if (strstart(p, "curses", &opts)) {
2203 #ifdef CONFIG_CURSES
2204 display = DT_CURSES;
2205 #else
2206 fprintf(stderr, "Curses support is disabled\n");
2207 exit(1);
2208 #endif
2209 } else if (strstart(p, "none", &opts)) {
2210 display = DT_NONE;
2211 } else {
2212 fprintf(stderr, "Unknown display type: %s\n", p);
2213 exit(1);
2214 }
2215
2216 return display;
2217 }
2218
2219 static int balloon_parse(const char *arg)
2220 {
2221 QemuOpts *opts;
2222
2223 if (strcmp(arg, "none") == 0) {
2224 return 0;
2225 }
2226
2227 if (!strncmp(arg, "virtio", 6)) {
2228 if (arg[6] == ',') {
2229 /* have params -> parse them */
2230 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2231 if (!opts)
2232 return -1;
2233 } else {
2234 /* create empty opts */
2235 opts = qemu_opts_create_nofail(qemu_find_opts("device"));
2236 }
2237 qemu_opt_set(opts, "driver", "virtio-balloon");
2238 return 0;
2239 }
2240
2241 return -1;
2242 }
2243
2244 char *qemu_find_file(int type, const char *name)
2245 {
2246 int len;
2247 const char *subdir;
2248 char *buf;
2249
2250 /* Try the name as a straight path first */
2251 if (access(name, R_OK) == 0) {
2252 return g_strdup(name);
2253 }
2254 switch (type) {
2255 case QEMU_FILE_TYPE_BIOS:
2256 subdir = "";
2257 break;
2258 case QEMU_FILE_TYPE_KEYMAP:
2259 subdir = "keymaps/";
2260 break;
2261 default:
2262 abort();
2263 }
2264 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
2265 buf = g_malloc0(len);
2266 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
2267 if (access(buf, R_OK)) {
2268 g_free(buf);
2269 return NULL;
2270 }
2271 return buf;
2272 }
2273
2274 static int device_help_func(QemuOpts *opts, void *opaque)
2275 {
2276 return qdev_device_help(opts);
2277 }
2278
2279 static int device_init_func(QemuOpts *opts, void *opaque)
2280 {
2281 DeviceState *dev;
2282
2283 dev = qdev_device_add(opts);
2284 if (!dev)
2285 return -1;
2286 object_unref(OBJECT(dev));
2287 return 0;
2288 }
2289
2290 static int chardev_init_func(QemuOpts *opts, void *opaque)
2291 {
2292 Error *local_err = NULL;
2293
2294 qemu_chr_new_from_opts(opts, NULL, &local_err);
2295 if (error_is_set(&local_err)) {
2296 fprintf(stderr, "%s\n", error_get_pretty(local_err));
2297 error_free(local_err);
2298 return -1;
2299 }
2300 return 0;
2301 }
2302
2303 #ifdef CONFIG_VIRTFS
2304 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2305 {
2306 int ret;
2307 ret = qemu_fsdev_add(opts);
2308
2309 return ret;
2310 }
2311 #endif
2312
2313 static int mon_init_func(QemuOpts *opts, void *opaque)
2314 {
2315 CharDriverState *chr;
2316 const char *chardev;
2317 const char *mode;
2318 int flags;
2319
2320 mode = qemu_opt_get(opts, "mode");
2321 if (mode == NULL) {
2322 mode = "readline";
2323 }
2324 if (strcmp(mode, "readline") == 0) {
2325 flags = MONITOR_USE_READLINE;
2326 } else if (strcmp(mode, "control") == 0) {
2327 flags = MONITOR_USE_CONTROL;
2328 } else {
2329 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2330 exit(1);
2331 }
2332
2333 if (qemu_opt_get_bool(opts, "pretty", 0))
2334 flags |= MONITOR_USE_PRETTY;
2335
2336 if (qemu_opt_get_bool(opts, "default", 0))
2337 flags |= MONITOR_IS_DEFAULT;
2338
2339 chardev = qemu_opt_get(opts, "chardev");
2340 chr = qemu_chr_find(chardev);
2341 if (chr == NULL) {
2342 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2343 exit(1);
2344 }
2345
2346 monitor_init(chr, flags);
2347 return 0;
2348 }
2349
2350 static void monitor_parse(const char *optarg, const char *mode)
2351 {
2352 static int monitor_device_index = 0;
2353 QemuOpts *opts;
2354 const char *p;
2355 char label[32];
2356 int def = 0;
2357
2358 if (strstart(optarg, "chardev:", &p)) {
2359 snprintf(label, sizeof(label), "%s", p);
2360 } else {
2361 snprintf(label, sizeof(label), "compat_monitor%d",
2362 monitor_device_index);
2363 if (monitor_device_index == 0) {
2364 def = 1;
2365 }
2366 opts = qemu_chr_parse_compat(label, optarg);
2367 if (!opts) {
2368 fprintf(stderr, "parse error: %s\n", optarg);
2369 exit(1);
2370 }
2371 }
2372
2373 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2374 if (!opts) {
2375 fprintf(stderr, "duplicate chardev: %s\n", label);
2376 exit(1);
2377 }
2378 qemu_opt_set(opts, "mode", mode);
2379 qemu_opt_set(opts, "chardev", label);
2380 if (def)
2381 qemu_opt_set(opts, "default", "on");
2382 monitor_device_index++;
2383 }
2384
2385 struct device_config {
2386 enum {
2387 DEV_USB, /* -usbdevice */
2388 DEV_BT, /* -bt */
2389 DEV_SERIAL, /* -serial */
2390 DEV_PARALLEL, /* -parallel */
2391 DEV_VIRTCON, /* -virtioconsole */
2392 DEV_DEBUGCON, /* -debugcon */
2393 DEV_GDB, /* -gdb, -s */
2394 DEV_SCLP, /* s390 sclp */
2395 } type;
2396 const char *cmdline;
2397 Location loc;
2398 QTAILQ_ENTRY(device_config) next;
2399 };
2400
2401 static QTAILQ_HEAD(, device_config) device_configs =
2402 QTAILQ_HEAD_INITIALIZER(device_configs);
2403
2404 static void add_device_config(int type, const char *cmdline)
2405 {
2406 struct device_config *conf;
2407
2408 conf = g_malloc0(sizeof(*conf));
2409 conf->type = type;
2410 conf->cmdline = cmdline;
2411 loc_save(&conf->loc);
2412 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2413 }
2414
2415 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2416 {
2417 struct device_config *conf;
2418 int rc;
2419
2420 QTAILQ_FOREACH(conf, &device_configs, next) {
2421 if (conf->type != type)
2422 continue;
2423 loc_push_restore(&conf->loc);
2424 rc = func(conf->cmdline);
2425 loc_pop(&conf->loc);
2426 if (0 != rc)
2427 return rc;
2428 }
2429 return 0;
2430 }
2431
2432 static int serial_parse(const char *devname)
2433 {
2434 static int index = 0;
2435 char label[32];
2436
2437 if (strcmp(devname, "none") == 0)
2438 return 0;
2439 if (index == MAX_SERIAL_PORTS) {
2440 fprintf(stderr, "qemu: too many serial ports\n");
2441 exit(1);
2442 }
2443 snprintf(label, sizeof(label), "serial%d", index);
2444 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2445 if (!serial_hds[index]) {
2446 fprintf(stderr, "qemu: could not connect serial device"
2447 " to character backend '%s'\n", devname);
2448 return -1;
2449 }
2450 index++;
2451 return 0;
2452 }
2453
2454 static int parallel_parse(const char *devname)
2455 {
2456 static int index = 0;
2457 char label[32];
2458
2459 if (strcmp(devname, "none") == 0)
2460 return 0;
2461 if (index == MAX_PARALLEL_PORTS) {
2462 fprintf(stderr, "qemu: too many parallel ports\n");
2463 exit(1);
2464 }
2465 snprintf(label, sizeof(label), "parallel%d", index);
2466 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2467 if (!parallel_hds[index]) {
2468 fprintf(stderr, "qemu: could not connect parallel device"
2469 " to character backend '%s'\n", devname);
2470 return -1;
2471 }
2472 index++;
2473 return 0;
2474 }
2475
2476 static int virtcon_parse(const char *devname)
2477 {
2478 QemuOptsList *device = qemu_find_opts("device");
2479 static int index = 0;
2480 char label[32];
2481 QemuOpts *bus_opts, *dev_opts;
2482
2483 if (strcmp(devname, "none") == 0)
2484 return 0;
2485 if (index == MAX_VIRTIO_CONSOLES) {
2486 fprintf(stderr, "qemu: too many virtio consoles\n");
2487 exit(1);
2488 }
2489
2490 bus_opts = qemu_opts_create_nofail(device);
2491 if (arch_type == QEMU_ARCH_S390X) {
2492 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2493 } else {
2494 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2495 }
2496
2497 dev_opts = qemu_opts_create_nofail(device);
2498 qemu_opt_set(dev_opts, "driver", "virtconsole");
2499
2500 snprintf(label, sizeof(label), "virtcon%d", index);
2501 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2502 if (!virtcon_hds[index]) {
2503 fprintf(stderr, "qemu: could not connect virtio console"
2504 " to character backend '%s'\n", devname);
2505 return -1;
2506 }
2507 qemu_opt_set(dev_opts, "chardev", label);
2508
2509 index++;
2510 return 0;
2511 }
2512
2513 static int sclp_parse(const char *devname)
2514 {
2515 QemuOptsList *device = qemu_find_opts("device");
2516 static int index = 0;
2517 char label[32];
2518 QemuOpts *dev_opts;
2519
2520 if (strcmp(devname, "none") == 0) {
2521 return 0;
2522 }
2523 if (index == MAX_SCLP_CONSOLES) {
2524 fprintf(stderr, "qemu: too many sclp consoles\n");
2525 exit(1);
2526 }
2527
2528 assert(arch_type == QEMU_ARCH_S390X);
2529
2530 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2531 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2532
2533 snprintf(label, sizeof(label), "sclpcon%d", index);
2534 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2535 if (!sclp_hds[index]) {
2536 fprintf(stderr, "qemu: could not connect sclp console"
2537 " to character backend '%s'\n", devname);
2538 return -1;
2539 }
2540 qemu_opt_set(dev_opts, "chardev", label);
2541
2542 index++;
2543 return 0;
2544 }
2545
2546 static int debugcon_parse(const char *devname)
2547 {
2548 QemuOpts *opts;
2549
2550 if (!qemu_chr_new("debugcon", devname, NULL)) {
2551 exit(1);
2552 }
2553 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2554 if (!opts) {
2555 fprintf(stderr, "qemu: already have a debugcon device\n");
2556 exit(1);
2557 }
2558 qemu_opt_set(opts, "driver", "isa-debugcon");
2559 qemu_opt_set(opts, "chardev", "debugcon");
2560 return 0;
2561 }
2562
2563 static QEMUMachine *machine_parse(const char *name)
2564 {
2565 QEMUMachine *m, *machine = NULL;
2566
2567 if (name) {
2568 machine = find_machine(name);
2569 }
2570 if (machine) {
2571 return machine;
2572 }
2573 printf("Supported machines are:\n");
2574 for (m = first_machine; m != NULL; m = m->next) {
2575 if (m->alias) {
2576 printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2577 }
2578 printf("%-20s %s%s\n", m->name, m->desc,
2579 m->is_default ? " (default)" : "");
2580 }
2581 exit(!name || !is_help_option(name));
2582 }
2583
2584 static int tcg_init(void)
2585 {
2586 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2587 return 0;
2588 }
2589
2590 static struct {
2591 const char *opt_name;
2592 const char *name;
2593 int (*available)(void);
2594 int (*init)(void);
2595 bool *allowed;
2596 } accel_list[] = {
2597 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2598 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2599 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2600 { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2601 };
2602
2603 static int configure_accelerator(void)
2604 {
2605 const char *p = NULL;
2606 char buf[10];
2607 int i, ret;
2608 bool accel_initialised = false;
2609 bool init_failed = false;
2610
2611 QemuOptsList *list = qemu_find_opts("machine");
2612 if (!QTAILQ_EMPTY(&list->head)) {
2613 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2614 }
2615
2616 if (p == NULL) {
2617 /* Use the default "accelerator", tcg */
2618 p = "tcg";
2619 }
2620
2621 while (!accel_initialised && *p != '\0') {
2622 if (*p == ':') {
2623 p++;
2624 }
2625 p = get_opt_name(buf, sizeof (buf), p, ':');
2626 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2627 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2628 if (!accel_list[i].available()) {
2629 printf("%s not supported for this target\n",
2630 accel_list[i].name);
2631 continue;
2632 }
2633 *(accel_list[i].allowed) = true;
2634 ret = accel_list[i].init();
2635 if (ret < 0) {
2636 init_failed = true;
2637 fprintf(stderr, "failed to initialize %s: %s\n",
2638 accel_list[i].name,
2639 strerror(-ret));
2640 *(accel_list[i].allowed) = false;
2641 } else {
2642 accel_initialised = true;
2643 }
2644 break;
2645 }
2646 }
2647 if (i == ARRAY_SIZE(accel_list)) {
2648 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2649 }
2650 }
2651
2652 if (!accel_initialised) {
2653 if (!init_failed) {
2654 fprintf(stderr, "No accelerator found!\n");
2655 }
2656 exit(1);
2657 }
2658
2659 if (init_failed) {
2660 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2661 }
2662
2663 return !accel_initialised;
2664 }
2665
2666 void qemu_add_exit_notifier(Notifier *notify)
2667 {
2668 notifier_list_add(&exit_notifiers, notify);
2669 }
2670
2671 void qemu_remove_exit_notifier(Notifier *notify)
2672 {
2673 notifier_remove(notify);
2674 }
2675
2676 static void qemu_run_exit_notifiers(void)
2677 {
2678 notifier_list_notify(&exit_notifiers, NULL);
2679 }
2680
2681 void qemu_add_machine_init_done_notifier(Notifier *notify)
2682 {
2683 notifier_list_add(&machine_init_done_notifiers, notify);
2684 }
2685
2686 static void qemu_run_machine_init_done_notifiers(void)
2687 {
2688 notifier_list_notify(&machine_init_done_notifiers, NULL);
2689 }
2690
2691 static const QEMUOption *lookup_opt(int argc, char **argv,
2692 const char **poptarg, int *poptind)
2693 {
2694 const QEMUOption *popt;
2695 int optind = *poptind;
2696 char *r = argv[optind];
2697 const char *optarg;
2698
2699 loc_set_cmdline(argv, optind, 1);
2700 optind++;
2701 /* Treat --foo the same as -foo. */
2702 if (r[1] == '-')
2703 r++;
2704 popt = qemu_options;
2705 for(;;) {
2706 if (!popt->name) {
2707 error_report("invalid option");
2708 exit(1);
2709 }
2710 if (!strcmp(popt->name, r + 1))
2711 break;
2712 popt++;
2713 }
2714 if (popt->flags & HAS_ARG) {
2715 if (optind >= argc) {
2716 error_report("requires an argument");
2717 exit(1);
2718 }
2719 optarg = argv[optind++];
2720 loc_set_cmdline(argv, optind - 2, 2);
2721 } else {
2722 optarg = NULL;
2723 }
2724
2725 *poptarg = optarg;
2726 *poptind = optind;
2727
2728 return popt;
2729 }
2730
2731 static gpointer malloc_and_trace(gsize n_bytes)
2732 {
2733 void *ptr = malloc(n_bytes);
2734 trace_g_malloc(n_bytes, ptr);
2735 return ptr;
2736 }
2737
2738 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2739 {
2740 void *ptr = realloc(mem, n_bytes);
2741 trace_g_realloc(mem, n_bytes, ptr);
2742 return ptr;
2743 }
2744
2745 static void free_and_trace(gpointer mem)
2746 {
2747 trace_g_free(mem);
2748 free(mem);
2749 }
2750
2751 static int object_set_property(const char *name, const char *value, void *opaque)
2752 {
2753 Object *obj = OBJECT(opaque);
2754 StringInputVisitor *siv;
2755 Error *local_err = NULL;
2756
2757 if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0) {
2758 return 0;
2759 }
2760
2761 siv = string_input_visitor_new(value);
2762 object_property_set(obj, string_input_get_visitor(siv), name, &local_err);
2763 string_input_visitor_cleanup(siv);
2764
2765 if (local_err) {
2766 qerror_report_err(local_err);
2767 error_free(local_err);
2768 return -1;
2769 }
2770
2771 return 0;
2772 }
2773
2774 static int object_create(QemuOpts *opts, void *opaque)
2775 {
2776 const char *type = qemu_opt_get(opts, "qom-type");
2777 const char *id = qemu_opts_id(opts);
2778 Object *obj;
2779
2780 g_assert(type != NULL);
2781
2782 if (id == NULL) {
2783 qerror_report(QERR_MISSING_PARAMETER, "id");
2784 return -1;
2785 }
2786
2787 obj = object_new(type);
2788 if (qemu_opt_foreach(opts, object_set_property, obj, 1) < 0) {
2789 return -1;
2790 }
2791
2792 object_property_add_child(container_get(object_get_root(), "/objects"),
2793 id, obj, NULL);
2794
2795 return 0;
2796 }
2797
2798 int main(int argc, char **argv, char **envp)
2799 {
2800 int i;
2801 int snapshot, linux_boot;
2802 const char *icount_option = NULL;
2803 const char *initrd_filename;
2804 const char *kernel_filename, *kernel_cmdline;
2805 char boot_devices[33] = "";
2806 DisplayState *ds;
2807 int cyls, heads, secs, translation;
2808 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2809 QemuOptsList *olist;
2810 int optind;
2811 const char *optarg;
2812 const char *loadvm = NULL;
2813 QEMUMachine *machine;
2814 const char *cpu_model;
2815 const char *vga_model = "none";
2816 const char *pid_file = NULL;
2817 const char *incoming = NULL;
2818 #ifdef CONFIG_VNC
2819 int show_vnc_port = 0;
2820 #endif
2821 bool defconfig = true;
2822 bool userconfig = true;
2823 const char *log_mask = NULL;
2824 const char *log_file = NULL;
2825 GMemVTable mem_trace = {
2826 .malloc = malloc_and_trace,
2827 .realloc = realloc_and_trace,
2828 .free = free_and_trace,
2829 };
2830 const char *trace_events = NULL;
2831 const char *trace_file = NULL;
2832
2833 atexit(qemu_run_exit_notifiers);
2834 error_set_progname(argv[0]);
2835
2836 g_mem_set_vtable(&mem_trace);
2837 if (!g_thread_supported()) {
2838 #if !GLIB_CHECK_VERSION(2, 31, 0)
2839 g_thread_init(NULL);
2840 #else
2841 fprintf(stderr, "glib threading failed to initialize.\n");
2842 exit(1);
2843 #endif
2844 }
2845
2846 module_call_init(MODULE_INIT_QOM);
2847
2848 qemu_add_opts(&qemu_drive_opts);
2849 qemu_add_opts(&qemu_chardev_opts);
2850 qemu_add_opts(&qemu_device_opts);
2851 qemu_add_opts(&qemu_netdev_opts);
2852 qemu_add_opts(&qemu_net_opts);
2853 qemu_add_opts(&qemu_rtc_opts);
2854 qemu_add_opts(&qemu_global_opts);
2855 qemu_add_opts(&qemu_mon_opts);
2856 qemu_add_opts(&qemu_trace_opts);
2857 qemu_add_opts(&qemu_option_rom_opts);
2858 qemu_add_opts(&qemu_machine_opts);
2859 qemu_add_opts(&qemu_boot_opts);
2860 qemu_add_opts(&qemu_sandbox_opts);
2861 qemu_add_opts(&qemu_add_fd_opts);
2862 qemu_add_opts(&qemu_object_opts);
2863
2864 runstate_init();
2865
2866 init_clocks();
2867 rtc_clock = host_clock;
2868
2869 qemu_cache_utils_init(envp);
2870
2871 QLIST_INIT (&vm_change_state_head);
2872 os_setup_early_signal_handling();
2873
2874 module_call_init(MODULE_INIT_MACHINE);
2875 machine = find_default_machine();
2876 cpu_model = NULL;
2877 ram_size = 0;
2878 snapshot = 0;
2879 cyls = heads = secs = 0;
2880 translation = BIOS_ATA_TRANSLATION_AUTO;
2881
2882 for (i = 0; i < MAX_NODES; i++) {
2883 node_mem[i] = 0;
2884 node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2885 }
2886
2887 nb_numa_nodes = 0;
2888 nb_nics = 0;
2889
2890 autostart= 1;
2891
2892 /* first pass of option parsing */
2893 optind = 1;
2894 while (optind < argc) {
2895 if (argv[optind][0] != '-') {
2896 /* disk image */
2897 optind++;
2898 continue;
2899 } else {
2900 const QEMUOption *popt;
2901
2902 popt = lookup_opt(argc, argv, &optarg, &optind);
2903 switch (popt->index) {
2904 case QEMU_OPTION_nodefconfig:
2905 defconfig = false;
2906 break;
2907 case QEMU_OPTION_nouserconfig:
2908 userconfig = false;
2909 break;
2910 }
2911 }
2912 }
2913
2914 if (defconfig) {
2915 int ret;
2916 ret = qemu_read_default_config_files(userconfig);
2917 if (ret < 0) {
2918 exit(1);
2919 }
2920 }
2921
2922 /* second pass of option parsing */
2923 optind = 1;
2924 for(;;) {
2925 if (optind >= argc)
2926 break;
2927 if (argv[optind][0] != '-') {
2928 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2929 } else {
2930 const QEMUOption *popt;
2931
2932 popt = lookup_opt(argc, argv, &optarg, &optind);
2933 if (!(popt->arch_mask & arch_type)) {
2934 printf("Option %s not supported for this target\n", popt->name);
2935 exit(1);
2936 }
2937 switch(popt->index) {
2938 case QEMU_OPTION_M:
2939 machine = machine_parse(optarg);
2940 break;
2941 case QEMU_OPTION_no_kvm_irqchip: {
2942 olist = qemu_find_opts("machine");
2943 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
2944 break;
2945 }
2946 case QEMU_OPTION_cpu:
2947 /* hw initialization will check this */
2948 cpu_model = optarg;
2949 break;
2950 case QEMU_OPTION_hda:
2951 {
2952 char buf[256];
2953 if (cyls == 0)
2954 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2955 else
2956 snprintf(buf, sizeof(buf),
2957 "%s,cyls=%d,heads=%d,secs=%d%s",
2958 HD_OPTS , cyls, heads, secs,
2959 translation == BIOS_ATA_TRANSLATION_LBA ?
2960 ",trans=lba" :
2961 translation == BIOS_ATA_TRANSLATION_NONE ?
2962 ",trans=none" : "");
2963 drive_add(IF_DEFAULT, 0, optarg, buf);
2964 break;
2965 }
2966 case QEMU_OPTION_hdb:
2967 case QEMU_OPTION_hdc:
2968 case QEMU_OPTION_hdd:
2969 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2970 HD_OPTS);
2971 break;
2972 case QEMU_OPTION_drive:
2973 if (drive_def(optarg) == NULL) {
2974 exit(1);
2975 }
2976 break;
2977 case QEMU_OPTION_set:
2978 if (qemu_set_option(optarg) != 0)
2979 exit(1);
2980 break;
2981 case QEMU_OPTION_global:
2982 if (qemu_global_option(optarg) != 0)
2983 exit(1);
2984 break;
2985 case QEMU_OPTION_mtdblock:
2986 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2987 break;
2988 case QEMU_OPTION_sd:
2989 drive_add(IF_SD, 0, optarg, SD_OPTS);
2990 break;
2991 case QEMU_OPTION_pflash:
2992 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2993 break;
2994 case QEMU_OPTION_snapshot:
2995 snapshot = 1;
2996 break;
2997 case QEMU_OPTION_hdachs:
2998 {
2999 const char *p;
3000 p = optarg;
3001 cyls = strtol(p, (char **)&p, 0);
3002 if (cyls < 1 || cyls > 16383)
3003 goto chs_fail;
3004 if (*p != ',')
3005 goto chs_fail;
3006 p++;
3007 heads = strtol(p, (char **)&p, 0);
3008 if (heads < 1 || heads > 16)
3009 goto chs_fail;
3010 if (*p != ',')
3011 goto chs_fail;
3012 p++;
3013 secs = strtol(p, (char **)&p, 0);
3014 if (secs < 1 || secs > 63)
3015 goto chs_fail;
3016 if (*p == ',') {
3017 p++;
3018 if (!strcmp(p, "none"))
3019 translation = BIOS_ATA_TRANSLATION_NONE;
3020 else if (!strcmp(p, "lba"))
3021 translation = BIOS_ATA_TRANSLATION_LBA;
3022 else if (!strcmp(p, "auto"))
3023 translation = BIOS_ATA_TRANSLATION_AUTO;
3024 else
3025 goto chs_fail;
3026 } else if (*p != '\0') {
3027 chs_fail:
3028 fprintf(stderr, "qemu: invalid physical CHS format\n");
3029 exit(1);
3030 }
3031 if (hda_opts != NULL) {
3032 char num[16];
3033 snprintf(num, sizeof(num), "%d", cyls);
3034 qemu_opt_set(hda_opts, "cyls", num);
3035 snprintf(num, sizeof(num), "%d", heads);
3036 qemu_opt_set(hda_opts, "heads", num);
3037 snprintf(num, sizeof(num), "%d", secs);
3038 qemu_opt_set(hda_opts, "secs", num);
3039 if (translation == BIOS_ATA_TRANSLATION_LBA)
3040 qemu_opt_set(hda_opts, "trans", "lba");
3041 if (translation == BIOS_ATA_TRANSLATION_NONE)
3042 qemu_opt_set(hda_opts, "trans", "none");
3043 }
3044 }
3045 break;
3046 case QEMU_OPTION_numa:
3047 numa_add(optarg);
3048 break;
3049 case QEMU_OPTION_display:
3050 display_type = select_display(optarg);
3051 break;
3052 case QEMU_OPTION_nographic:
3053 display_type = DT_NOGRAPHIC;
3054 break;
3055 case QEMU_OPTION_curses:
3056 #ifdef CONFIG_CURSES
3057 display_type = DT_CURSES;
3058 #else
3059 fprintf(stderr, "Curses support is disabled\n");
3060 exit(1);
3061 #endif
3062 break;
3063 case QEMU_OPTION_portrait:
3064 graphic_rotate = 90;
3065 break;
3066 case QEMU_OPTION_rotate:
3067 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3068 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3069 graphic_rotate != 180 && graphic_rotate != 270) {
3070 fprintf(stderr,
3071 "qemu: only 90, 180, 270 deg rotation is available\n");
3072 exit(1);
3073 }
3074 break;
3075 case QEMU_OPTION_kernel:
3076 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3077 break;
3078 case QEMU_OPTION_initrd:
3079 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3080 break;
3081 case QEMU_OPTION_append:
3082 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3083 break;
3084 case QEMU_OPTION_dtb:
3085 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3086 break;
3087 case QEMU_OPTION_cdrom:
3088 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3089 break;
3090 case QEMU_OPTION_boot:
3091 {
3092 static const char * const params[] = {
3093 "order", "once", "menu",
3094 "splash", "splash-time",
3095 "reboot-timeout", NULL
3096 };
3097 char buf[sizeof(boot_devices)];
3098 char *standard_boot_devices;
3099 int legacy = 0;
3100
3101 if (!strchr(optarg, '=')) {
3102 legacy = 1;
3103 pstrcpy(buf, sizeof(buf), optarg);
3104 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
3105 fprintf(stderr,
3106 "qemu: unknown boot parameter '%s' in '%s'\n",
3107 buf, optarg);
3108 exit(1);
3109 }
3110
3111 if (legacy ||
3112 get_param_value(buf, sizeof(buf), "order", optarg)) {
3113 validate_bootdevices(buf);
3114 pstrcpy(boot_devices, sizeof(boot_devices), buf);
3115 }
3116 if (!legacy) {
3117 if (get_param_value(buf, sizeof(buf),
3118 "once", optarg)) {
3119 validate_bootdevices(buf);
3120 standard_boot_devices = g_strdup(boot_devices);
3121 pstrcpy(boot_devices, sizeof(boot_devices), buf);
3122 qemu_register_reset(restore_boot_devices,
3123 standard_boot_devices);
3124 }
3125 if (get_param_value(buf, sizeof(buf),
3126 "menu", optarg)) {
3127 if (!strcmp(buf, "on")) {
3128 boot_menu = 1;
3129 } else if (!strcmp(buf, "off")) {
3130 boot_menu = 0;
3131 } else {
3132 fprintf(stderr,
3133 "qemu: invalid option value '%s'\n",
3134 buf);
3135 exit(1);
3136 }
3137 }
3138 if (!qemu_opts_parse(qemu_find_opts("boot-opts"),
3139 optarg, 0)) {
3140 exit(1);
3141 }
3142 }
3143 }
3144 break;
3145 case QEMU_OPTION_fda:
3146 case QEMU_OPTION_fdb:
3147 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3148 optarg, FD_OPTS);
3149 break;
3150 case QEMU_OPTION_no_fd_bootchk:
3151 fd_bootchk = 0;
3152 break;
3153 case QEMU_OPTION_netdev:
3154 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3155 exit(1);
3156 }
3157 break;
3158 case QEMU_OPTION_net:
3159 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3160 exit(1);
3161 }
3162 break;
3163 #ifdef CONFIG_LIBISCSI
3164 case QEMU_OPTION_iscsi:
3165 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3166 if (!opts) {
3167 exit(1);
3168 }
3169 break;
3170 #endif
3171 #ifdef CONFIG_SLIRP
3172 case QEMU_OPTION_tftp:
3173 legacy_tftp_prefix = optarg;
3174 break;
3175 case QEMU_OPTION_bootp:
3176 legacy_bootp_filename = optarg;
3177 break;
3178 case QEMU_OPTION_redir:
3179 if (net_slirp_redir(optarg) < 0)
3180 exit(1);
3181 break;
3182 #endif
3183 case QEMU_OPTION_bt:
3184 add_device_config(DEV_BT, optarg);
3185 break;
3186 case QEMU_OPTION_audio_help:
3187 if (!(audio_available())) {
3188 printf("Option %s not supported for this target\n", popt->name);
3189 exit(1);
3190 }
3191 AUD_help ();
3192 exit (0);
3193 break;
3194 case QEMU_OPTION_soundhw:
3195 if (!(audio_available())) {
3196 printf("Option %s not supported for this target\n", popt->name);
3197 exit(1);
3198 }
3199 select_soundhw (optarg);
3200 break;
3201 case QEMU_OPTION_h:
3202 help(0);
3203 break;
3204 case QEMU_OPTION_version:
3205 version();
3206 exit(0);
3207 break;
3208 case QEMU_OPTION_m: {
3209 int64_t value;
3210 uint64_t sz;
3211 char *end;
3212
3213 value = strtosz(optarg, &end);
3214 if (value < 0 || *end) {
3215 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
3216 exit(1);
3217 }
3218 sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
3219 ram_size = sz;
3220 if (ram_size != sz) {
3221 fprintf(stderr, "qemu: ram size too large\n");
3222 exit(1);
3223 }
3224 break;
3225 }
3226 case QEMU_OPTION_mempath:
3227 mem_path = optarg;
3228 break;
3229 #ifdef MAP_POPULATE
3230 case QEMU_OPTION_mem_prealloc:
3231 mem_prealloc = 1;
3232 break;
3233 #endif
3234 case QEMU_OPTION_d:
3235 log_mask = optarg;
3236 break;
3237 case QEMU_OPTION_D:
3238 log_file = optarg;
3239 break;
3240 case QEMU_OPTION_s:
3241 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3242 break;
3243 case QEMU_OPTION_gdb:
3244 add_device_config(DEV_GDB, optarg);
3245 break;
3246 case QEMU_OPTION_L:
3247 data_dir = optarg;
3248 break;
3249 case QEMU_OPTION_bios:
3250 bios_name = optarg;
3251 break;
3252 case QEMU_OPTION_singlestep:
3253 singlestep = 1;
3254 break;
3255 case QEMU_OPTION_S:
3256 autostart = 0;
3257 break;
3258 case QEMU_OPTION_k:
3259 keyboard_layout = optarg;
3260 break;
3261 case QEMU_OPTION_localtime:
3262 rtc_utc = 0;
3263 break;
3264 case QEMU_OPTION_vga:
3265 vga_model = optarg;
3266 default_vga = 0;
3267 break;
3268 case QEMU_OPTION_g:
3269 {
3270 const char *p;
3271 int w, h, depth;
3272 p = optarg;
3273 w = strtol(p, (char **)&p, 10);
3274 if (w <= 0) {
3275 graphic_error:
3276 fprintf(stderr, "qemu: invalid resolution or depth\n");
3277 exit(1);
3278 }
3279 if (*p != 'x')
3280 goto graphic_error;
3281 p++;
3282 h = strtol(p, (char **)&p, 10);
3283 if (h <= 0)
3284 goto graphic_error;
3285 if (*p == 'x') {
3286 p++;
3287 depth = strtol(p, (char **)&p, 10);
3288 if (depth != 8 && depth != 15 && depth != 16 &&
3289 depth != 24 && depth != 32)
3290 goto graphic_error;
3291 } else if (*p == '\0') {
3292 depth = graphic_depth;
3293 } else {
3294 goto graphic_error;
3295 }
3296
3297 graphic_width = w;
3298 graphic_height = h;
3299 graphic_depth = depth;
3300 }
3301 break;
3302 case QEMU_OPTION_echr:
3303 {
3304 char *r;
3305 term_escape_char = strtol(optarg, &r, 0);
3306 if (r == optarg)
3307 printf("Bad argument to echr\n");
3308 break;
3309 }
3310 case QEMU_OPTION_monitor:
3311 monitor_parse(optarg, "readline");
3312 default_monitor = 0;
3313 break;
3314 case QEMU_OPTION_qmp:
3315 monitor_parse(optarg, "control");
3316 default_monitor = 0;
3317 break;
3318 case QEMU_OPTION_mon:
3319 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3320 if (!opts) {
3321 exit(1);
3322 }
3323 default_monitor = 0;
3324 break;
3325 case QEMU_OPTION_chardev:
3326 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3327 if (!opts) {
3328 exit(1);
3329 }
3330 break;
3331 case QEMU_OPTION_fsdev:
3332 olist = qemu_find_opts("fsdev");
3333 if (!olist) {
3334 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3335 exit(1);
3336 }
3337 opts = qemu_opts_parse(olist, optarg, 1);
3338 if (!opts) {
3339 exit(1);
3340 }
3341 break;
3342 case QEMU_OPTION_virtfs: {
3343 QemuOpts *fsdev;
3344 QemuOpts *device;
3345 const char *writeout, *sock_fd, *socket;
3346
3347 olist = qemu_find_opts("virtfs");
3348 if (!olist) {
3349 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3350 exit(1);
3351 }
3352 opts = qemu_opts_parse(olist, optarg, 1);
3353 if (!opts) {
3354 exit(1);
3355 }
3356
3357 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3358 qemu_opt_get(opts, "mount_tag") == NULL) {
3359 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3360 exit(1);
3361 }
3362 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3363 qemu_opt_get(opts, "mount_tag"),
3364 1, NULL);
3365 if (!fsdev) {
3366 fprintf(stderr, "duplicate fsdev id: %s\n",
3367 qemu_opt_get(opts, "mount_tag"));
3368 exit(1);
3369 }
3370
3371 writeout = qemu_opt_get(opts, "writeout");
3372 if (writeout) {
3373 #ifdef CONFIG_SYNC_FILE_RANGE
3374 qemu_opt_set(fsdev, "writeout", writeout);
3375 #else
3376 fprintf(stderr, "writeout=immediate not supported on "
3377 "this platform\n");
3378 exit(1);
3379 #endif
3380 }
3381 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3382 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3383 qemu_opt_set(fsdev, "security_model",
3384 qemu_opt_get(opts, "security_model"));
3385 socket = qemu_opt_get(opts, "socket");
3386 if (socket) {
3387 qemu_opt_set(fsdev, "socket", socket);
3388 }
3389 sock_fd = qemu_opt_get(opts, "sock_fd");
3390 if (sock_fd) {
3391 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3392 }
3393
3394 qemu_opt_set_bool(fsdev, "readonly",
3395 qemu_opt_get_bool(opts, "readonly", 0));
3396 device = qemu_opts_create_nofail(qemu_find_opts("device"));
3397 qemu_opt_set(device, "driver", "virtio-9p-pci");
3398 qemu_opt_set(device, "fsdev",
3399 qemu_opt_get(opts, "mount_tag"));
3400 qemu_opt_set(device, "mount_tag",
3401 qemu_opt_get(opts, "mount_tag"));
3402 break;
3403 }
3404 case QEMU_OPTION_virtfs_synth: {
3405 QemuOpts *fsdev;
3406 QemuOpts *device;
3407
3408 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3409 1, NULL);
3410 if (!fsdev) {
3411 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3412 exit(1);
3413 }
3414 qemu_opt_set(fsdev, "fsdriver", "synth");
3415
3416 device = qemu_opts_create_nofail(qemu_find_opts("device"));
3417 qemu_opt_set(device, "driver", "virtio-9p-pci");
3418 qemu_opt_set(device, "fsdev", "v_synth");
3419 qemu_opt_set(device, "mount_tag", "v_synth");
3420 break;
3421 }
3422 case QEMU_OPTION_serial:
3423 add_device_config(DEV_SERIAL, optarg);
3424 default_serial = 0;
3425 if (strncmp(optarg, "mon:", 4) == 0) {
3426 default_monitor = 0;
3427 }
3428 break;
3429 case QEMU_OPTION_watchdog:
3430 if (watchdog) {
3431 fprintf(stderr,
3432 "qemu: only one watchdog option may be given\n");
3433 return 1;
3434 }
3435 watchdog = optarg;
3436 break;
3437 case QEMU_OPTION_watchdog_action:
3438 if (select_watchdog_action(optarg) == -1) {
3439 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3440 exit(1);
3441 }
3442 break;
3443 case QEMU_OPTION_virtiocon:
3444 add_device_config(DEV_VIRTCON, optarg);
3445 default_virtcon = 0;
3446 if (strncmp(optarg, "mon:", 4) == 0) {
3447 default_monitor = 0;
3448 }
3449 break;
3450 case QEMU_OPTION_parallel:
3451 add_device_config(DEV_PARALLEL, optarg);
3452 default_parallel = 0;
3453 if (strncmp(optarg, "mon:", 4) == 0) {
3454 default_monitor = 0;
3455 }
3456 break;
3457 case QEMU_OPTION_debugcon:
3458 add_device_config(DEV_DEBUGCON, optarg);
3459 break;
3460 case QEMU_OPTION_loadvm:
3461 loadvm = optarg;
3462 break;
3463 case QEMU_OPTION_full_screen:
3464 full_screen = 1;
3465 break;
3466 #ifdef CONFIG_SDL
3467 case QEMU_OPTION_no_frame:
3468 no_frame = 1;
3469 break;
3470 case QEMU_OPTION_alt_grab:
3471 alt_grab = 1;
3472 break;
3473 case QEMU_OPTION_ctrl_grab:
3474 ctrl_grab = 1;
3475 break;
3476 case QEMU_OPTION_no_quit:
3477 no_quit = 1;
3478 break;
3479 case QEMU_OPTION_sdl:
3480 display_type = DT_SDL;
3481 break;
3482 #else
3483 case QEMU_OPTION_no_frame:
3484 case QEMU_OPTION_alt_grab:
3485 case QEMU_OPTION_ctrl_grab:
3486 case QEMU_OPTION_no_quit:
3487 case QEMU_OPTION_sdl:
3488 fprintf(stderr, "SDL support is disabled\n");
3489 exit(1);
3490 #endif
3491 case QEMU_OPTION_pidfile:
3492 pid_file = optarg;
3493 break;
3494 case QEMU_OPTION_win2k_hack:
3495 win2k_install_hack = 1;
3496 break;
3497 case QEMU_OPTION_rtc_td_hack: {
3498 static GlobalProperty slew_lost_ticks[] = {
3499 {
3500 .driver = "mc146818rtc",
3501 .property = "lost_tick_policy",
3502 .value = "slew",
3503 },
3504 { /* end of list */ }
3505 };
3506
3507 qdev_prop_register_global_list(slew_lost_ticks);
3508 break;
3509 }
3510 case QEMU_OPTION_acpitable:
3511 do_acpitable_option(optarg);
3512 break;
3513 case QEMU_OPTION_smbios:
3514 do_smbios_option(optarg);
3515 break;
3516 case QEMU_OPTION_enable_kvm:
3517 olist = qemu_find_opts("machine");
3518 qemu_opts_parse(olist, "accel=kvm", 0);
3519 break;
3520 case QEMU_OPTION_machine:
3521 olist = qemu_find_opts("machine");
3522 opts = qemu_opts_parse(olist, optarg, 1);
3523 if (!opts) {
3524 exit(1);
3525 }
3526 optarg = qemu_opt_get(opts, "type");
3527 if (optarg) {
3528 machine = machine_parse(optarg);
3529 }
3530 break;
3531 case QEMU_OPTION_no_kvm:
3532 olist = qemu_find_opts("machine");
3533 qemu_opts_parse(olist, "accel=tcg", 0);
3534 break;
3535 case QEMU_OPTION_no_kvm_pit: {
3536 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3537 "separately.\n");
3538 break;
3539 }
3540 case QEMU_OPTION_no_kvm_pit_reinjection: {
3541 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3542 {
3543 .driver = "kvm-pit",
3544 .property = "lost_tick_policy",
3545 .value = "discard",
3546 },
3547 { /* end of list */ }
3548 };
3549
3550 fprintf(stderr, "Warning: option deprecated, use "
3551 "lost_tick_policy property of kvm-pit instead.\n");
3552 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3553 break;
3554 }
3555 case QEMU_OPTION_usb:
3556 olist = qemu_find_opts("machine");
3557 qemu_opts_parse(olist, "usb=on", 0);
3558 break;
3559 case QEMU_OPTION_usbdevice:
3560 olist = qemu_find_opts("machine");
3561 qemu_opts_parse(olist, "usb=on", 0);
3562 add_device_config(DEV_USB, optarg);
3563 break;
3564 case QEMU_OPTION_device:
3565 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3566 exit(1);
3567 }
3568 break;
3569 case QEMU_OPTION_smp:
3570 smp_parse(optarg);
3571 if (smp_cpus < 1) {
3572 fprintf(stderr, "Invalid number of CPUs\n");
3573 exit(1);
3574 }
3575 if (max_cpus < smp_cpus) {
3576 fprintf(stderr, "maxcpus must be equal to or greater than "
3577 "smp\n");
3578 exit(1);
3579 }
3580 if (max_cpus > 255) {
3581 fprintf(stderr, "Unsupported number of maxcpus\n");
3582 exit(1);
3583 }
3584 break;
3585 case QEMU_OPTION_vnc:
3586 #ifdef CONFIG_VNC
3587 display_remote++;
3588 vnc_display = optarg;
3589 #else
3590 fprintf(stderr, "VNC support is disabled\n");
3591 exit(1);
3592 #endif
3593 break;
3594 case QEMU_OPTION_no_acpi:
3595 acpi_enabled = 0;
3596 break;
3597 case QEMU_OPTION_no_hpet:
3598 no_hpet = 1;
3599 break;
3600 case QEMU_OPTION_balloon:
3601 if (balloon_parse(optarg) < 0) {
3602 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3603 exit(1);
3604 }
3605 break;
3606 case QEMU_OPTION_no_reboot:
3607 no_reboot = 1;
3608 break;
3609 case QEMU_OPTION_no_shutdown:
3610 no_shutdown = 1;
3611 break;
3612 case QEMU_OPTION_show_cursor:
3613 cursor_hide = 0;
3614 break;
3615 case QEMU_OPTION_uuid:
3616 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3617 fprintf(stderr, "Fail to parse UUID string."
3618 " Wrong format.\n");
3619 exit(1);
3620 }
3621 break;
3622 case QEMU_OPTION_option_rom:
3623 if (nb_option_roms >= MAX_OPTION_ROMS) {
3624 fprintf(stderr, "Too many option ROMs\n");
3625 exit(1);
3626 }
3627 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3628 if (!opts) {
3629 exit(1);
3630 }
3631 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3632 option_rom[nb_option_roms].bootindex =
3633 qemu_opt_get_number(opts, "bootindex", -1);
3634 if (!option_rom[nb_option_roms].name) {
3635 fprintf(stderr, "Option ROM file is not specified\n");
3636 exit(1);
3637 }
3638 nb_option_roms++;
3639 break;
3640 case QEMU_OPTION_semihosting:
3641 semihosting_enabled = 1;
3642 break;
3643 case QEMU_OPTION_tdf:
3644 fprintf(stderr, "Warning: user space PIT time drift fix "
3645 "is no longer supported.\n");
3646 break;
3647 case QEMU_OPTION_name:
3648 qemu_name = g_strdup(optarg);
3649 {
3650 char *p = strchr(qemu_name, ',');
3651 if (p != NULL) {
3652 *p++ = 0;
3653 if (strncmp(p, "process=", 8)) {
3654 fprintf(stderr, "Unknown subargument %s to -name\n", p);
3655 exit(1);
3656 }
3657 p += 8;
3658 os_set_proc_name(p);
3659 }
3660 }
3661 break;
3662 case QEMU_OPTION_prom_env:
3663 if (nb_prom_envs >= MAX_PROM_ENVS) {
3664 fprintf(stderr, "Too many prom variables\n");
3665 exit(1);
3666 }
3667 prom_envs[nb_prom_envs] = optarg;
3668 nb_prom_envs++;
3669 break;
3670 case QEMU_OPTION_old_param:
3671 old_param = 1;
3672 break;
3673 case QEMU_OPTION_clock:
3674 configure_alarms(optarg);
3675 break;
3676 case QEMU_OPTION_startdate:
3677 configure_rtc_date_offset(optarg, 1);
3678 break;
3679 case QEMU_OPTION_rtc:
3680 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3681 if (!opts) {
3682 exit(1);
3683 }
3684 configure_rtc(opts);
3685 break;
3686 case QEMU_OPTION_tb_size:
3687 tcg_tb_size = strtol(optarg, NULL, 0);
3688 if (tcg_tb_size < 0) {
3689 tcg_tb_size = 0;
3690 }
3691 break;
3692 case QEMU_OPTION_icount:
3693 icount_option = optarg;
3694 break;
3695 case QEMU_OPTION_incoming:
3696 incoming = optarg;
3697 runstate_set(RUN_STATE_INMIGRATE);
3698 break;
3699 case QEMU_OPTION_nodefaults:
3700 default_serial = 0;
3701 default_parallel = 0;
3702 default_virtcon = 0;
3703 default_sclp = 0;
3704 default_monitor = 0;
3705 default_net = 0;
3706 default_floppy = 0;
3707 default_cdrom = 0;
3708 default_sdcard = 0;
3709 default_vga = 0;
3710 break;
3711 case QEMU_OPTION_xen_domid:
3712 if (!(xen_available())) {
3713 printf("Option %s not supported for this target\n", popt->name);
3714 exit(1);
3715 }
3716 xen_domid = atoi(optarg);
3717 break;
3718 case QEMU_OPTION_xen_create:
3719 if (!(xen_available())) {
3720 printf("Option %s not supported for this target\n", popt->name);
3721 exit(1);
3722 }
3723 xen_mode = XEN_CREATE;
3724 break;
3725 case QEMU_OPTION_xen_attach:
3726 if (!(xen_available())) {
3727 printf("Option %s not supported for this target\n", popt->name);
3728 exit(1);
3729 }
3730 xen_mode = XEN_ATTACH;
3731 break;
3732 case QEMU_OPTION_trace:
3733 {
3734 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3735 if (!opts) {
3736 exit(1);
3737 }
3738 trace_events = qemu_opt_get(opts, "events");
3739 trace_file = qemu_opt_get(opts, "file");
3740 break;
3741 }
3742 case QEMU_OPTION_readconfig:
3743 {
3744 int ret = qemu_read_config_file(optarg);
3745 if (ret < 0) {
3746 fprintf(stderr, "read config %s: %s\n", optarg,
3747 strerror(-ret));
3748 exit(1);
3749 }
3750 break;
3751 }
3752 case QEMU_OPTION_spice:
3753 olist = qemu_find_opts("spice");
3754 if (!olist) {
3755 fprintf(stderr, "spice is not supported by this qemu build.\n");
3756 exit(1);
3757 }
3758 opts = qemu_opts_parse(olist, optarg, 0);
3759 if (!opts) {
3760 exit(1);
3761 }
3762 break;
3763 case QEMU_OPTION_writeconfig:
3764 {
3765 FILE *fp;
3766 if (strcmp(optarg, "-") == 0) {
3767 fp = stdout;
3768 } else {
3769 fp = fopen(optarg, "w");
3770 if (fp == NULL) {
3771 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3772 exit(1);
3773 }
3774 }
3775 qemu_config_write(fp);
3776 fclose(fp);
3777 break;
3778 }
3779 case QEMU_OPTION_qtest:
3780 qtest_chrdev = optarg;
3781 break;
3782 case QEMU_OPTION_qtest_log:
3783 qtest_log = optarg;
3784 break;
3785 case QEMU_OPTION_sandbox:
3786 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3787 if (!opts) {
3788 exit(1);
3789 }
3790 break;
3791 case QEMU_OPTION_add_fd:
3792 #ifndef _WIN32
3793 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3794 if (!opts) {
3795 exit(1);
3796 }
3797 #else
3798 error_report("File descriptor passing is disabled on this "
3799 "platform");
3800 exit(1);
3801 #endif
3802 break;
3803 case QEMU_OPTION_object:
3804 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3805 if (!opts) {
3806 exit(1);
3807 }
3808 break;
3809 default:
3810 os_parse_cmd_args(popt->index, optarg);
3811 }
3812 }
3813 }
3814 loc_set_none();
3815
3816 if (qemu_init_main_loop()) {
3817 fprintf(stderr, "qemu_init_main_loop failed\n");
3818 exit(1);
3819 }
3820
3821 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3822 exit(1);
3823 }
3824
3825 #ifndef _WIN32
3826 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3827 exit(1);
3828 }
3829
3830 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3831 exit(1);
3832 }
3833 #endif
3834
3835 if (machine == NULL) {
3836 fprintf(stderr, "No machine found.\n");
3837 exit(1);
3838 }
3839
3840 if (machine->hw_version) {
3841 qemu_set_version(machine->hw_version);
3842 }
3843
3844 if (qemu_opts_foreach(qemu_find_opts("object"),
3845 object_create, NULL, 0) != 0) {
3846 exit(1);
3847 }
3848
3849 /* Init CPU def lists, based on config
3850 * - Must be called after all the qemu_read_config_file() calls
3851 * - Must be called before list_cpus()
3852 * - Must be called before machine->init()
3853 */
3854 cpudef_init();
3855
3856 if (cpu_model && is_help_option(cpu_model)) {
3857 list_cpus(stdout, &fprintf, cpu_model);
3858 exit(0);
3859 }
3860
3861 /* Open the logfile at this point, if necessary. We can't open the logfile
3862 * when encountering either of the logging options (-d or -D) because the
3863 * other one may be encountered later on the command line, changing the
3864 * location or level of logging.
3865 */
3866 if (log_mask) {
3867 if (log_file) {
3868 set_cpu_log_filename(log_file);
3869 }
3870 set_cpu_log(log_mask);
3871 }
3872
3873 if (!trace_backend_init(trace_events, trace_file)) {
3874 exit(1);
3875 }
3876
3877 /* If no data_dir is specified then try to find it relative to the
3878 executable path. */
3879 if (!data_dir) {
3880 data_dir = os_find_datadir(argv[0]);
3881 }
3882 /* If all else fails use the install path specified when building. */
3883 if (!data_dir) {
3884 data_dir = CONFIG_QEMU_DATADIR;
3885 }
3886
3887 /*
3888 * Default to max_cpus = smp_cpus, in case the user doesn't
3889 * specify a max_cpus value.
3890 */
3891 if (!max_cpus)
3892 max_cpus = smp_cpus;
3893
3894 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3895 if (smp_cpus > machine->max_cpus) {
3896 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3897 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
3898 machine->max_cpus);
3899 exit(1);
3900 }
3901
3902 /*
3903 * Get the default machine options from the machine if it is not already
3904 * specified either by the configuration file or by the command line.
3905 */
3906 if (machine->default_machine_opts) {
3907 qemu_opts_set_defaults(qemu_find_opts("machine"),
3908 machine->default_machine_opts, 0);
3909 }
3910
3911 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3912 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3913
3914 if (machine->no_serial) {
3915 default_serial = 0;
3916 }
3917 if (machine->no_parallel) {
3918 default_parallel = 0;
3919 }
3920 if (!machine->use_virtcon) {
3921 default_virtcon = 0;
3922 }
3923 if (!machine->use_sclp) {
3924 default_sclp = 0;
3925 }
3926 if (machine->no_floppy) {
3927 default_floppy = 0;
3928 }
3929 if (machine->no_cdrom) {
3930 default_cdrom = 0;
3931 }
3932 if (machine->no_sdcard) {
3933 default_sdcard = 0;
3934 }
3935
3936 if (is_daemonized()) {
3937 /* According to documentation and historically, -nographic redirects
3938 * serial port, parallel port and monitor to stdio, which does not work
3939 * with -daemonize. We can redirect these to null instead, but since
3940 * -nographic is legacy, let's just error out.
3941 * We disallow -nographic only if all other ports are not redirected
3942 * explicitly, to not break existing legacy setups which uses
3943 * -nographic _and_ redirects all ports explicitly - this is valid
3944 * usage, -nographic is just a no-op in this case.
3945 */
3946 if (display_type == DT_NOGRAPHIC
3947 && (default_parallel || default_serial
3948 || default_monitor || default_virtcon)) {
3949 fprintf(stderr, "-nographic can not be used with -daemonize\n");
3950 exit(1);
3951 }
3952 #ifdef CONFIG_CURSES
3953 if (display_type == DT_CURSES) {
3954 fprintf(stderr, "curses display can not be used with -daemonize\n");
3955 exit(1);
3956 }
3957 #endif
3958 }
3959
3960 if (display_type == DT_NOGRAPHIC) {
3961 if (default_parallel)
3962 add_device_config(DEV_PARALLEL, "null");
3963 if (default_serial && default_monitor) {
3964 add_device_config(DEV_SERIAL, "mon:stdio");
3965 } else if (default_virtcon && default_monitor) {
3966 add_device_config(DEV_VIRTCON, "mon:stdio");
3967 } else if (default_sclp && default_monitor) {
3968 add_device_config(DEV_SCLP, "mon:stdio");
3969 } else {
3970 if (default_serial)
3971 add_device_config(DEV_SERIAL, "stdio");
3972 if (default_virtcon)
3973 add_device_config(DEV_VIRTCON, "stdio");
3974 if (default_sclp) {
3975 add_device_config(DEV_SCLP, "stdio");
3976 }
3977 if (default_monitor)
3978 monitor_parse("stdio", "readline");
3979 }
3980 } else {
3981 if (default_serial)
3982 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3983 if (default_parallel)
3984 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3985 if (default_monitor)
3986 monitor_parse("vc:80Cx24C", "readline");
3987 if (default_virtcon)
3988 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3989 if (default_sclp) {
3990 add_device_config(DEV_SCLP, "vc:80Cx24C");
3991 }
3992 }
3993
3994 socket_init();
3995
3996 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3997 exit(1);
3998 #ifdef CONFIG_VIRTFS
3999 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4000 exit(1);
4001 }
4002 #endif
4003
4004 os_daemonize();
4005
4006 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4007 os_pidfile_error();
4008 exit(1);
4009 }
4010
4011 /* init the memory */
4012 if (ram_size == 0) {
4013 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
4014 }
4015
4016 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4017 != 0) {
4018 exit(0);
4019 }
4020
4021 configure_accelerator();
4022
4023 machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
4024 if (machine_opts) {
4025 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4026 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4027 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4028 } else {
4029 kernel_filename = initrd_filename = kernel_cmdline = NULL;
4030 }
4031
4032 if (!kernel_cmdline) {
4033 kernel_cmdline = "";
4034 }
4035
4036 linux_boot = (kernel_filename != NULL);
4037
4038 if (!linux_boot && *kernel_cmdline != '\0') {
4039 fprintf(stderr, "-append only allowed with -kernel option\n");
4040 exit(1);
4041 }
4042
4043 if (!linux_boot && initrd_filename != NULL) {
4044 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4045 exit(1);
4046 }
4047
4048 if (!linux_boot && machine_opts && qemu_opt_get(machine_opts, "dtb")) {
4049 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4050 exit(1);
4051 }
4052
4053 os_set_line_buffering();
4054
4055 qemu_init_cpu_loop();
4056 qemu_mutex_lock_iothread();
4057
4058 #ifdef CONFIG_SPICE
4059 /* spice needs the timers to be initialized by this point */
4060 qemu_spice_init();
4061 #endif
4062
4063 if (icount_option && (kvm_enabled() || xen_enabled())) {
4064 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4065 exit(1);
4066 }
4067 configure_icount(icount_option);
4068
4069 /* clean up network at qemu process termination */
4070 atexit(&net_cleanup);
4071
4072 if (net_init_clients() < 0) {
4073 exit(1);
4074 }
4075
4076 /* init the bluetooth world */
4077 if (foreach_device_config(DEV_BT, bt_parse))
4078 exit(1);
4079
4080 if (!xen_enabled()) {
4081 /* On 32-bit hosts, QEMU is limited by virtual address space */
4082 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4083 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4084 exit(1);
4085 }
4086 }
4087
4088 cpu_exec_init_all();
4089
4090 bdrv_init_with_whitelist();
4091
4092 blk_mig_init();
4093
4094 /* open the virtual block devices */
4095 if (snapshot)
4096 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4097 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4098 &machine->block_default_type, 1) != 0) {
4099 exit(1);
4100 }
4101
4102 default_drive(default_cdrom, snapshot, machine->block_default_type, 2,
4103 CDROM_OPTS);
4104 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4105 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4106
4107 register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
4108
4109 if (nb_numa_nodes > 0) {
4110 int i;
4111
4112 if (nb_numa_nodes > MAX_NODES) {
4113 nb_numa_nodes = MAX_NODES;
4114 }
4115
4116 /* If no memory size if given for any node, assume the default case
4117 * and distribute the available memory equally across all nodes
4118 */
4119 for (i = 0; i < nb_numa_nodes; i++) {
4120 if (node_mem[i] != 0)
4121 break;
4122 }
4123 if (i == nb_numa_nodes) {
4124 uint64_t usedmem = 0;
4125
4126 /* On Linux, the each node's border has to be 8MB aligned,
4127 * the final node gets the rest.
4128 */
4129 for (i = 0; i < nb_numa_nodes - 1; i++) {
4130 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
4131 usedmem += node_mem[i];
4132 }
4133 node_mem[i] = ram_size - usedmem;
4134 }
4135
4136 for (i = 0; i < nb_numa_nodes; i++) {
4137 if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
4138 break;
4139 }
4140 }
4141 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4142 * must cope with this anyway, because there are BIOSes out there in
4143 * real machines which also use this scheme.
4144 */
4145 if (i == nb_numa_nodes) {
4146 for (i = 0; i < max_cpus; i++) {
4147 set_bit(i, node_cpumask[i % nb_numa_nodes]);
4148 }
4149 }
4150 }
4151
4152 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4153 exit(1);
4154 }
4155
4156 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4157 exit(1);
4158 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4159 exit(1);
4160 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4161 exit(1);
4162 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4163 exit(1);
4164 }
4165 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4166 exit(1);
4167
4168 /* If no default VGA is requested, the default is "none". */
4169 if (default_vga) {
4170 if (cirrus_vga_available()) {
4171 vga_model = "cirrus";
4172 } else if (vga_available()) {
4173 vga_model = "std";
4174 }
4175 }
4176 select_vgahw(vga_model);
4177
4178 if (watchdog) {
4179 i = select_watchdog(watchdog);
4180 if (i > 0)
4181 exit (i == 1 ? 1 : 0);
4182 }
4183
4184 if (machine->compat_props) {
4185 qdev_prop_register_global_list(machine->compat_props);
4186 }
4187 qemu_add_globals();
4188
4189 qdev_machine_init();
4190
4191 QEMUMachineInitArgs args = { .ram_size = ram_size,
4192 .boot_device = (boot_devices[0] == '\0') ?
4193 machine->boot_order :
4194 boot_devices,
4195 .kernel_filename = kernel_filename,
4196 .kernel_cmdline = kernel_cmdline,
4197 .initrd_filename = initrd_filename,
4198 .cpu_model = cpu_model };
4199 machine->init(&args);
4200
4201 cpu_synchronize_all_post_init();
4202
4203 set_numa_modes();
4204
4205 current_machine = machine;
4206
4207 /* init USB devices */
4208 if (usb_enabled(false)) {
4209 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4210 exit(1);
4211 }
4212
4213 /* init generic devices */
4214 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4215 exit(1);
4216
4217 net_check_clients();
4218
4219 /* just use the first displaystate for the moment */
4220 ds = get_displaystate();
4221
4222 if (using_spice)
4223 display_remote++;
4224 if (display_type == DT_DEFAULT && !display_remote) {
4225 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4226 display_type = DT_SDL;
4227 #elif defined(CONFIG_VNC)
4228 vnc_display = "localhost:0,to=99";
4229 show_vnc_port = 1;
4230 #else
4231 display_type = DT_NONE;
4232 #endif
4233 }
4234
4235
4236 /* init local displays */
4237 switch (display_type) {
4238 case DT_NOGRAPHIC:
4239 break;
4240 #if defined(CONFIG_CURSES)
4241 case DT_CURSES:
4242 curses_display_init(ds, full_screen);
4243 break;
4244 #endif
4245 #if defined(CONFIG_SDL)
4246 case DT_SDL:
4247 sdl_display_init(ds, full_screen, no_frame);
4248 break;
4249 #elif defined(CONFIG_COCOA)
4250 case DT_SDL:
4251 cocoa_display_init(ds, full_screen);
4252 break;
4253 #endif
4254 default:
4255 break;
4256 }
4257
4258 /* must be after terminal init, SDL library changes signal handlers */
4259 os_setup_signal_handling();
4260
4261 #ifdef CONFIG_VNC
4262 /* init remote displays */
4263 if (vnc_display) {
4264 Error *local_err = NULL;
4265 vnc_display_init(ds);
4266 vnc_display_open(ds, vnc_display, &local_err);
4267 if (local_err != NULL) {
4268 fprintf(stderr, "Failed to start VNC server on `%s': %s\n",
4269 vnc_display, error_get_pretty(local_err));
4270 error_free(local_err);
4271 exit(1);
4272 }
4273
4274 if (show_vnc_port) {
4275 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4276 }
4277 }
4278 #endif
4279 #ifdef CONFIG_SPICE
4280 if (using_spice && !qxl_enabled) {
4281 qemu_spice_display_init(ds);
4282 }
4283 #endif
4284
4285 /* display setup */
4286 text_consoles_set_display(ds);
4287
4288 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4289 exit(1);
4290 }
4291
4292 qdev_machine_creation_done();
4293
4294 if (rom_load_all() != 0) {
4295 fprintf(stderr, "rom loading failed\n");
4296 exit(1);
4297 }
4298
4299 /* TODO: once all bus devices are qdevified, this should be done
4300 * when bus is created by qdev.c */
4301 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4302 qemu_run_machine_init_done_notifiers();
4303
4304 qemu_system_reset(VMRESET_SILENT);
4305 if (loadvm) {
4306 if (load_vmstate(loadvm) < 0) {
4307 autostart = 0;
4308 }
4309 }
4310
4311 if (incoming) {
4312 Error *local_err = NULL;
4313 qemu_start_incoming_migration(incoming, &local_err);
4314 if (local_err) {
4315 fprintf(stderr, "-incoming %s: %s\n", incoming, error_get_pretty(local_err));
4316 error_free(local_err);
4317 exit(1);
4318 }
4319 } else if (autostart) {
4320 vm_start();
4321 }
4322
4323 os_setup_post();
4324
4325 resume_all_vcpus();
4326 main_loop();
4327 bdrv_close_all();
4328 pause_all_vcpus();
4329 res_free();
4330
4331 return 0;
4332 }
Various patches