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main-loop: switch to g_poll() on POSIX hosts
[qemu/pbrook.git] / vl.c
blob955d2ffe0fc25a18fdd83892300c1be5e1e7da98
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 -1;
1432 }
1433
1434 if (!usb_enabled(false)) {
1435 return -1;
1436 }
1437
1438 p = strchr(devname, '.');
1439 if (!p)
1440 return -1;
1441 bus_num = strtoul(devname, NULL, 0);
1442 addr = strtoul(p + 1, NULL, 0);
1443
1444 return usb_device_delete_addr(bus_num, addr);
1445 }
1446
1447 static int usb_parse(const char *cmdline)
1448 {
1449 int r;
1450 r = usb_device_add(cmdline);
1451 if (r < 0) {
1452 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1453 }
1454 return r;
1455 }
1456
1457 void do_usb_add(Monitor *mon, const QDict *qdict)
1458 {
1459 const char *devname = qdict_get_str(qdict, "devname");
1460 if (usb_device_add(devname) < 0) {
1461 error_report("could not add USB device '%s'", devname);
1462 }
1463 }
1464
1465 void do_usb_del(Monitor *mon, const QDict *qdict)
1466 {
1467 const char *devname = qdict_get_str(qdict, "devname");
1468 if (usb_device_del(devname) < 0) {
1469 error_report("could not delete USB device '%s'", devname);
1470 }
1471 }
1472
1473 /***********************************************************/
1474 /* PCMCIA/Cardbus */
1475
1476 static struct pcmcia_socket_entry_s {
1477 PCMCIASocket *socket;
1478 struct pcmcia_socket_entry_s *next;
1479 } *pcmcia_sockets = 0;
1480
1481 void pcmcia_socket_register(PCMCIASocket *socket)
1482 {
1483 struct pcmcia_socket_entry_s *entry;
1484
1485 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1486 entry->socket = socket;
1487 entry->next = pcmcia_sockets;
1488 pcmcia_sockets = entry;
1489 }
1490
1491 void pcmcia_socket_unregister(PCMCIASocket *socket)
1492 {
1493 struct pcmcia_socket_entry_s *entry, **ptr;
1494
1495 ptr = &pcmcia_sockets;
1496 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1497 if (entry->socket == socket) {
1498 *ptr = entry->next;
1499 g_free(entry);
1500 }
1501 }
1502
1503 void pcmcia_info(Monitor *mon, const QDict *qdict)
1504 {
1505 struct pcmcia_socket_entry_s *iter;
1506
1507 if (!pcmcia_sockets)
1508 monitor_printf(mon, "No PCMCIA sockets\n");
1509
1510 for (iter = pcmcia_sockets; iter; iter = iter->next)
1511 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1512 iter->socket->attached ? iter->socket->card_string :
1513 "Empty");
1514 }
1515
1516 /***********************************************************/
1517 /* machine registration */
1518
1519 static QEMUMachine *first_machine = NULL;
1520 QEMUMachine *current_machine = NULL;
1521
1522 int qemu_register_machine(QEMUMachine *m)
1523 {
1524 QEMUMachine **pm;
1525 pm = &first_machine;
1526 while (*pm != NULL)
1527 pm = &(*pm)->next;
1528 m->next = NULL;
1529 *pm = m;
1530 return 0;
1531 }
1532
1533 static QEMUMachine *find_machine(const char *name)
1534 {
1535 QEMUMachine *m;
1536
1537 for(m = first_machine; m != NULL; m = m->next) {
1538 if (!strcmp(m->name, name))
1539 return m;
1540 if (m->alias && !strcmp(m->alias, name))
1541 return m;
1542 }
1543 return NULL;
1544 }
1545
1546 QEMUMachine *find_default_machine(void)
1547 {
1548 QEMUMachine *m;
1549
1550 for(m = first_machine; m != NULL; m = m->next) {
1551 if (m->is_default) {
1552 return m;
1553 }
1554 }
1555 return NULL;
1556 }
1557
1558 MachineInfoList *qmp_query_machines(Error **errp)
1559 {
1560 MachineInfoList *mach_list = NULL;
1561 QEMUMachine *m;
1562
1563 for (m = first_machine; m; m = m->next) {
1564 MachineInfoList *entry;
1565 MachineInfo *info;
1566
1567 info = g_malloc0(sizeof(*info));
1568 if (m->is_default) {
1569 info->has_is_default = true;
1570 info->is_default = true;
1571 }
1572
1573 if (m->alias) {
1574 info->has_alias = true;
1575 info->alias = g_strdup(m->alias);
1576 }
1577
1578 info->name = g_strdup(m->name);
1579
1580 entry = g_malloc0(sizeof(*entry));
1581 entry->value = info;
1582 entry->next = mach_list;
1583 mach_list = entry;
1584 }
1585
1586 return mach_list;
1587 }
1588
1589 /***********************************************************/
1590 /* main execution loop */
1591
1592 static void gui_update(void *opaque)
1593 {
1594 uint64_t interval = GUI_REFRESH_INTERVAL;
1595 DisplayState *ds = opaque;
1596 DisplayChangeListener *dcl;
1597
1598 dpy_refresh(ds);
1599
1600 QLIST_FOREACH(dcl, &ds->listeners, next) {
1601 if (dcl->gui_timer_interval &&
1602 dcl->gui_timer_interval < interval)
1603 interval = dcl->gui_timer_interval;
1604 }
1605 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1606 }
1607
1608 void gui_setup_refresh(DisplayState *ds)
1609 {
1610 DisplayChangeListener *dcl;
1611 bool need_timer = false;
1612 bool have_gfx = false;
1613 bool have_text = false;
1614
1615 QLIST_FOREACH(dcl, &ds->listeners, next) {
1616 if (dcl->dpy_refresh != NULL) {
1617 need_timer = true;
1618 }
1619 if (dcl->dpy_gfx_update != NULL) {
1620 have_gfx = true;
1621 }
1622 if (dcl->dpy_text_update != NULL) {
1623 have_text = true;
1624 }
1625 }
1626
1627 if (need_timer && ds->gui_timer == NULL) {
1628 ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
1629 qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
1630 }
1631 if (!need_timer && ds->gui_timer != NULL) {
1632 qemu_del_timer(ds->gui_timer);
1633 qemu_free_timer(ds->gui_timer);
1634 ds->gui_timer = NULL;
1635 }
1636
1637 ds->have_gfx = have_gfx;
1638 ds->have_text = have_text;
1639 }
1640
1641 struct vm_change_state_entry {
1642 VMChangeStateHandler *cb;
1643 void *opaque;
1644 QLIST_ENTRY (vm_change_state_entry) entries;
1645 };
1646
1647 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1648
1649 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1650 void *opaque)
1651 {
1652 VMChangeStateEntry *e;
1653
1654 e = g_malloc0(sizeof (*e));
1655
1656 e->cb = cb;
1657 e->opaque = opaque;
1658 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1659 return e;
1660 }
1661
1662 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1663 {
1664 QLIST_REMOVE (e, entries);
1665 g_free (e);
1666 }
1667
1668 void vm_state_notify(int running, RunState state)
1669 {
1670 VMChangeStateEntry *e;
1671
1672 trace_vm_state_notify(running, state);
1673
1674 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1675 e->cb(e->opaque, running, state);
1676 }
1677 }
1678
1679 void vm_start(void)
1680 {
1681 if (!runstate_is_running()) {
1682 cpu_enable_ticks();
1683 runstate_set(RUN_STATE_RUNNING);
1684 vm_state_notify(1, RUN_STATE_RUNNING);
1685 resume_all_vcpus();
1686 monitor_protocol_event(QEVENT_RESUME, NULL);
1687 }
1688 }
1689
1690 /* reset/shutdown handler */
1691
1692 typedef struct QEMUResetEntry {
1693 QTAILQ_ENTRY(QEMUResetEntry) entry;
1694 QEMUResetHandler *func;
1695 void *opaque;
1696 } QEMUResetEntry;
1697
1698 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1699 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1700 static int reset_requested;
1701 static int shutdown_requested, shutdown_signal = -1;
1702 static pid_t shutdown_pid;
1703 static int powerdown_requested;
1704 static int debug_requested;
1705 static int suspend_requested;
1706 static int wakeup_requested;
1707 static NotifierList powerdown_notifiers =
1708 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1709 static NotifierList suspend_notifiers =
1710 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1711 static NotifierList wakeup_notifiers =
1712 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1713 static uint32_t wakeup_reason_mask = ~0;
1714 static RunState vmstop_requested = RUN_STATE_MAX;
1715
1716 int qemu_shutdown_requested_get(void)
1717 {
1718 return shutdown_requested;
1719 }
1720
1721 int qemu_reset_requested_get(void)
1722 {
1723 return reset_requested;
1724 }
1725
1726 static int qemu_shutdown_requested(void)
1727 {
1728 int r = shutdown_requested;
1729 shutdown_requested = 0;
1730 return r;
1731 }
1732
1733 static void qemu_kill_report(void)
1734 {
1735 if (!qtest_enabled() && shutdown_signal != -1) {
1736 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1737 if (shutdown_pid == 0) {
1738 /* This happens for eg ^C at the terminal, so it's worth
1739 * avoiding printing an odd message in that case.
1740 */
1741 fputc('\n', stderr);
1742 } else {
1743 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1744 }
1745 shutdown_signal = -1;
1746 }
1747 }
1748
1749 static int qemu_reset_requested(void)
1750 {
1751 int r = reset_requested;
1752 reset_requested = 0;
1753 return r;
1754 }
1755
1756 static int qemu_suspend_requested(void)
1757 {
1758 int r = suspend_requested;
1759 suspend_requested = 0;
1760 return r;
1761 }
1762
1763 static int qemu_wakeup_requested(void)
1764 {
1765 int r = wakeup_requested;
1766 wakeup_requested = 0;
1767 return r;
1768 }
1769
1770 static int qemu_powerdown_requested(void)
1771 {
1772 int r = powerdown_requested;
1773 powerdown_requested = 0;
1774 return r;
1775 }
1776
1777 static int qemu_debug_requested(void)
1778 {
1779 int r = debug_requested;
1780 debug_requested = 0;
1781 return r;
1782 }
1783
1784 /* We use RUN_STATE_MAX but any invalid value will do */
1785 static bool qemu_vmstop_requested(RunState *r)
1786 {
1787 if (vmstop_requested < RUN_STATE_MAX) {
1788 *r = vmstop_requested;
1789 vmstop_requested = RUN_STATE_MAX;
1790 return true;
1791 }
1792
1793 return false;
1794 }
1795
1796 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1797 {
1798 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1799
1800 re->func = func;
1801 re->opaque = opaque;
1802 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1803 }
1804
1805 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1806 {
1807 QEMUResetEntry *re;
1808
1809 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1810 if (re->func == func && re->opaque == opaque) {
1811 QTAILQ_REMOVE(&reset_handlers, re, entry);
1812 g_free(re);
1813 return;
1814 }
1815 }
1816 }
1817
1818 void qemu_devices_reset(void)
1819 {
1820 QEMUResetEntry *re, *nre;
1821
1822 /* reset all devices */
1823 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1824 re->func(re->opaque);
1825 }
1826 }
1827
1828 void qemu_system_reset(bool report)
1829 {
1830 if (current_machine && current_machine->reset) {
1831 current_machine->reset();
1832 } else {
1833 qemu_devices_reset();
1834 }
1835 if (report) {
1836 monitor_protocol_event(QEVENT_RESET, NULL);
1837 }
1838 cpu_synchronize_all_post_reset();
1839 }
1840
1841 void qemu_system_reset_request(void)
1842 {
1843 if (no_reboot) {
1844 shutdown_requested = 1;
1845 } else {
1846 reset_requested = 1;
1847 }
1848 cpu_stop_current();
1849 qemu_notify_event();
1850 }
1851
1852 static void qemu_system_suspend(void)
1853 {
1854 pause_all_vcpus();
1855 notifier_list_notify(&suspend_notifiers, NULL);
1856 runstate_set(RUN_STATE_SUSPENDED);
1857 monitor_protocol_event(QEVENT_SUSPEND, NULL);
1858 }
1859
1860 void qemu_system_suspend_request(void)
1861 {
1862 if (runstate_check(RUN_STATE_SUSPENDED)) {
1863 return;
1864 }
1865 suspend_requested = 1;
1866 cpu_stop_current();
1867 qemu_notify_event();
1868 }
1869
1870 void qemu_register_suspend_notifier(Notifier *notifier)
1871 {
1872 notifier_list_add(&suspend_notifiers, notifier);
1873 }
1874
1875 void qemu_system_wakeup_request(WakeupReason reason)
1876 {
1877 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1878 return;
1879 }
1880 if (!(wakeup_reason_mask & (1 << reason))) {
1881 return;
1882 }
1883 runstate_set(RUN_STATE_RUNNING);
1884 notifier_list_notify(&wakeup_notifiers, &reason);
1885 wakeup_requested = 1;
1886 qemu_notify_event();
1887 }
1888
1889 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1890 {
1891 if (enabled) {
1892 wakeup_reason_mask |= (1 << reason);
1893 } else {
1894 wakeup_reason_mask &= ~(1 << reason);
1895 }
1896 }
1897
1898 void qemu_register_wakeup_notifier(Notifier *notifier)
1899 {
1900 notifier_list_add(&wakeup_notifiers, notifier);
1901 }
1902
1903 void qemu_system_killed(int signal, pid_t pid)
1904 {
1905 shutdown_signal = signal;
1906 shutdown_pid = pid;
1907 no_shutdown = 0;
1908 qemu_system_shutdown_request();
1909 }
1910
1911 void qemu_system_shutdown_request(void)
1912 {
1913 shutdown_requested = 1;
1914 qemu_notify_event();
1915 }
1916
1917 static void qemu_system_powerdown(void)
1918 {
1919 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1920 notifier_list_notify(&powerdown_notifiers, NULL);
1921 }
1922
1923 void qemu_system_powerdown_request(void)
1924 {
1925 powerdown_requested = 1;
1926 qemu_notify_event();
1927 }
1928
1929 void qemu_register_powerdown_notifier(Notifier *notifier)
1930 {
1931 notifier_list_add(&powerdown_notifiers, notifier);
1932 }
1933
1934 void qemu_system_debug_request(void)
1935 {
1936 debug_requested = 1;
1937 qemu_notify_event();
1938 }
1939
1940 void qemu_system_vmstop_request(RunState state)
1941 {
1942 vmstop_requested = state;
1943 qemu_notify_event();
1944 }
1945
1946 static bool main_loop_should_exit(void)
1947 {
1948 RunState r;
1949 if (qemu_debug_requested()) {
1950 vm_stop(RUN_STATE_DEBUG);
1951 }
1952 if (qemu_suspend_requested()) {
1953 qemu_system_suspend();
1954 }
1955 if (qemu_shutdown_requested()) {
1956 qemu_kill_report();
1957 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1958 if (no_shutdown) {
1959 vm_stop(RUN_STATE_SHUTDOWN);
1960 } else {
1961 return true;
1962 }
1963 }
1964 if (qemu_reset_requested()) {
1965 pause_all_vcpus();
1966 cpu_synchronize_all_states();
1967 qemu_system_reset(VMRESET_REPORT);
1968 resume_all_vcpus();
1969 if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
1970 runstate_check(RUN_STATE_SHUTDOWN)) {
1971 runstate_set(RUN_STATE_PAUSED);
1972 }
1973 }
1974 if (qemu_wakeup_requested()) {
1975 pause_all_vcpus();
1976 cpu_synchronize_all_states();
1977 qemu_system_reset(VMRESET_SILENT);
1978 resume_all_vcpus();
1979 monitor_protocol_event(QEVENT_WAKEUP, NULL);
1980 }
1981 if (qemu_powerdown_requested()) {
1982 qemu_system_powerdown();
1983 }
1984 if (qemu_vmstop_requested(&r)) {
1985 vm_stop(r);
1986 }
1987 return false;
1988 }
1989
1990 static void main_loop(void)
1991 {
1992 bool nonblocking;
1993 int last_io = 0;
1994 #ifdef CONFIG_PROFILER
1995 int64_t ti;
1996 #endif
1997 do {
1998 nonblocking = !kvm_enabled() && last_io > 0;
1999 #ifdef CONFIG_PROFILER
2000 ti = profile_getclock();
2001 #endif
2002 last_io = main_loop_wait(nonblocking);
2003 #ifdef CONFIG_PROFILER
2004 dev_time += profile_getclock() - ti;
2005 #endif
2006 } while (!main_loop_should_exit());
2007 }
2008
2009 static void version(void)
2010 {
2011 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
2012 }
2013
2014 static void help(int exitcode)
2015 {
2016 version();
2017 printf("usage: %s [options] [disk_image]\n\n"
2018 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2019 error_get_progname());
2020
2021 #define QEMU_OPTIONS_GENERATE_HELP
2022 #include "qemu-options-wrapper.h"
2023
2024 printf("\nDuring emulation, the following keys are useful:\n"
2025 "ctrl-alt-f toggle full screen\n"
2026 "ctrl-alt-n switch to virtual console 'n'\n"
2027 "ctrl-alt toggle mouse and keyboard grab\n"
2028 "\n"
2029 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2030
2031 exit(exitcode);
2032 }
2033
2034 #define HAS_ARG 0x0001
2035
2036 typedef struct QEMUOption {
2037 const char *name;
2038 int flags;
2039 int index;
2040 uint32_t arch_mask;
2041 } QEMUOption;
2042
2043 static const QEMUOption qemu_options[] = {
2044 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2045 #define QEMU_OPTIONS_GENERATE_OPTIONS
2046 #include "qemu-options-wrapper.h"
2047 { NULL },
2048 };
2049
2050 static bool vga_available(void)
2051 {
2052 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2053 }
2054
2055 static bool cirrus_vga_available(void)
2056 {
2057 return object_class_by_name("cirrus-vga")
2058 || object_class_by_name("isa-cirrus-vga");
2059 }
2060
2061 static bool vmware_vga_available(void)
2062 {
2063 return object_class_by_name("vmware-svga");
2064 }
2065
2066 static bool qxl_vga_available(void)
2067 {
2068 return object_class_by_name("qxl-vga");
2069 }
2070
2071 static void select_vgahw (const char *p)
2072 {
2073 const char *opts;
2074
2075 vga_interface_type = VGA_NONE;
2076 if (strstart(p, "std", &opts)) {
2077 if (vga_available()) {
2078 vga_interface_type = VGA_STD;
2079 } else {
2080 fprintf(stderr, "Error: standard VGA not available\n");
2081 exit(0);
2082 }
2083 } else if (strstart(p, "cirrus", &opts)) {
2084 if (cirrus_vga_available()) {
2085 vga_interface_type = VGA_CIRRUS;
2086 } else {
2087 fprintf(stderr, "Error: Cirrus VGA not available\n");
2088 exit(0);
2089 }
2090 } else if (strstart(p, "vmware", &opts)) {
2091 if (vmware_vga_available()) {
2092 vga_interface_type = VGA_VMWARE;
2093 } else {
2094 fprintf(stderr, "Error: VMWare SVGA not available\n");
2095 exit(0);
2096 }
2097 } else if (strstart(p, "xenfb", &opts)) {
2098 vga_interface_type = VGA_XENFB;
2099 } else if (strstart(p, "qxl", &opts)) {
2100 if (qxl_vga_available()) {
2101 vga_interface_type = VGA_QXL;
2102 } else {
2103 fprintf(stderr, "Error: QXL VGA not available\n");
2104 exit(0);
2105 }
2106 } else if (!strstart(p, "none", &opts)) {
2107 invalid_vga:
2108 fprintf(stderr, "Unknown vga type: %s\n", p);
2109 exit(1);
2110 }
2111 while (*opts) {
2112 const char *nextopt;
2113
2114 if (strstart(opts, ",retrace=", &nextopt)) {
2115 opts = nextopt;
2116 if (strstart(opts, "dumb", &nextopt))
2117 vga_retrace_method = VGA_RETRACE_DUMB;
2118 else if (strstart(opts, "precise", &nextopt))
2119 vga_retrace_method = VGA_RETRACE_PRECISE;
2120 else goto invalid_vga;
2121 } else goto invalid_vga;
2122 opts = nextopt;
2123 }
2124 }
2125
2126 static DisplayType select_display(const char *p)
2127 {
2128 const char *opts;
2129 DisplayType display = DT_DEFAULT;
2130
2131 if (strstart(p, "sdl", &opts)) {
2132 #ifdef CONFIG_SDL
2133 display = DT_SDL;
2134 while (*opts) {
2135 const char *nextopt;
2136
2137 if (strstart(opts, ",frame=", &nextopt)) {
2138 opts = nextopt;
2139 if (strstart(opts, "on", &nextopt)) {
2140 no_frame = 0;
2141 } else if (strstart(opts, "off", &nextopt)) {
2142 no_frame = 1;
2143 } else {
2144 goto invalid_sdl_args;
2145 }
2146 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2147 opts = nextopt;
2148 if (strstart(opts, "on", &nextopt)) {
2149 alt_grab = 1;
2150 } else if (strstart(opts, "off", &nextopt)) {
2151 alt_grab = 0;
2152 } else {
2153 goto invalid_sdl_args;
2154 }
2155 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2156 opts = nextopt;
2157 if (strstart(opts, "on", &nextopt)) {
2158 ctrl_grab = 1;
2159 } else if (strstart(opts, "off", &nextopt)) {
2160 ctrl_grab = 0;
2161 } else {
2162 goto invalid_sdl_args;
2163 }
2164 } else if (strstart(opts, ",window_close=", &nextopt)) {
2165 opts = nextopt;
2166 if (strstart(opts, "on", &nextopt)) {
2167 no_quit = 0;
2168 } else if (strstart(opts, "off", &nextopt)) {
2169 no_quit = 1;
2170 } else {
2171 goto invalid_sdl_args;
2172 }
2173 } else {
2174 invalid_sdl_args:
2175 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2176 exit(1);
2177 }
2178 opts = nextopt;
2179 }
2180 #else
2181 fprintf(stderr, "SDL support is disabled\n");
2182 exit(1);
2183 #endif
2184 } else if (strstart(p, "vnc", &opts)) {
2185 #ifdef CONFIG_VNC
2186 display_remote++;
2187
2188 if (*opts) {
2189 const char *nextopt;
2190
2191 if (strstart(opts, "=", &nextopt)) {
2192 vnc_display = nextopt;
2193 }
2194 }
2195 if (!vnc_display) {
2196 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2197 exit(1);
2198 }
2199 #else
2200 fprintf(stderr, "VNC support is disabled\n");
2201 exit(1);
2202 #endif
2203 } else if (strstart(p, "curses", &opts)) {
2204 #ifdef CONFIG_CURSES
2205 display = DT_CURSES;
2206 #else
2207 fprintf(stderr, "Curses support is disabled\n");
2208 exit(1);
2209 #endif
2210 } else if (strstart(p, "none", &opts)) {
2211 display = DT_NONE;
2212 } else {
2213 fprintf(stderr, "Unknown display type: %s\n", p);
2214 exit(1);
2215 }
2216
2217 return display;
2218 }
2219
2220 static int balloon_parse(const char *arg)
2221 {
2222 QemuOpts *opts;
2223
2224 if (strcmp(arg, "none") == 0) {
2225 return 0;
2226 }
2227
2228 if (!strncmp(arg, "virtio", 6)) {
2229 if (arg[6] == ',') {
2230 /* have params -> parse them */
2231 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2232 if (!opts)
2233 return -1;
2234 } else {
2235 /* create empty opts */
2236 opts = qemu_opts_create_nofail(qemu_find_opts("device"));
2237 }
2238 qemu_opt_set(opts, "driver", "virtio-balloon");
2239 return 0;
2240 }
2241
2242 return -1;
2243 }
2244
2245 char *qemu_find_file(int type, const char *name)
2246 {
2247 int len;
2248 const char *subdir;
2249 char *buf;
2250
2251 /* Try the name as a straight path first */
2252 if (access(name, R_OK) == 0) {
2253 return g_strdup(name);
2254 }
2255 switch (type) {
2256 case QEMU_FILE_TYPE_BIOS:
2257 subdir = "";
2258 break;
2259 case QEMU_FILE_TYPE_KEYMAP:
2260 subdir = "keymaps/";
2261 break;
2262 default:
2263 abort();
2264 }
2265 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
2266 buf = g_malloc0(len);
2267 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
2268 if (access(buf, R_OK)) {
2269 g_free(buf);
2270 return NULL;
2271 }
2272 return buf;
2273 }
2274
2275 static int device_help_func(QemuOpts *opts, void *opaque)
2276 {
2277 return qdev_device_help(opts);
2278 }
2279
2280 static int device_init_func(QemuOpts *opts, void *opaque)
2281 {
2282 DeviceState *dev;
2283
2284 dev = qdev_device_add(opts);
2285 if (!dev)
2286 return -1;
2287 object_unref(OBJECT(dev));
2288 return 0;
2289 }
2290
2291 static int chardev_init_func(QemuOpts *opts, void *opaque)
2292 {
2293 Error *local_err = NULL;
2294
2295 qemu_chr_new_from_opts(opts, NULL, &local_err);
2296 if (error_is_set(&local_err)) {
2297 fprintf(stderr, "%s\n", error_get_pretty(local_err));
2298 error_free(local_err);
2299 return -1;
2300 }
2301 return 0;
2302 }
2303
2304 #ifdef CONFIG_VIRTFS
2305 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2306 {
2307 int ret;
2308 ret = qemu_fsdev_add(opts);
2309
2310 return ret;
2311 }
2312 #endif
2313
2314 static int mon_init_func(QemuOpts *opts, void *opaque)
2315 {
2316 CharDriverState *chr;
2317 const char *chardev;
2318 const char *mode;
2319 int flags;
2320
2321 mode = qemu_opt_get(opts, "mode");
2322 if (mode == NULL) {
2323 mode = "readline";
2324 }
2325 if (strcmp(mode, "readline") == 0) {
2326 flags = MONITOR_USE_READLINE;
2327 } else if (strcmp(mode, "control") == 0) {
2328 flags = MONITOR_USE_CONTROL;
2329 } else {
2330 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2331 exit(1);
2332 }
2333
2334 if (qemu_opt_get_bool(opts, "pretty", 0))
2335 flags |= MONITOR_USE_PRETTY;
2336
2337 if (qemu_opt_get_bool(opts, "default", 0))
2338 flags |= MONITOR_IS_DEFAULT;
2339
2340 chardev = qemu_opt_get(opts, "chardev");
2341 chr = qemu_chr_find(chardev);
2342 if (chr == NULL) {
2343 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2344 exit(1);
2345 }
2346
2347 monitor_init(chr, flags);
2348 return 0;
2349 }
2350
2351 static void monitor_parse(const char *optarg, const char *mode)
2352 {
2353 static int monitor_device_index = 0;
2354 QemuOpts *opts;
2355 const char *p;
2356 char label[32];
2357 int def = 0;
2358
2359 if (strstart(optarg, "chardev:", &p)) {
2360 snprintf(label, sizeof(label), "%s", p);
2361 } else {
2362 snprintf(label, sizeof(label), "compat_monitor%d",
2363 monitor_device_index);
2364 if (monitor_device_index == 0) {
2365 def = 1;
2366 }
2367 opts = qemu_chr_parse_compat(label, optarg);
2368 if (!opts) {
2369 fprintf(stderr, "parse error: %s\n", optarg);
2370 exit(1);
2371 }
2372 }
2373
2374 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2375 if (!opts) {
2376 fprintf(stderr, "duplicate chardev: %s\n", label);
2377 exit(1);
2378 }
2379 qemu_opt_set(opts, "mode", mode);
2380 qemu_opt_set(opts, "chardev", label);
2381 if (def)
2382 qemu_opt_set(opts, "default", "on");
2383 monitor_device_index++;
2384 }
2385
2386 struct device_config {
2387 enum {
2388 DEV_USB, /* -usbdevice */
2389 DEV_BT, /* -bt */
2390 DEV_SERIAL, /* -serial */
2391 DEV_PARALLEL, /* -parallel */
2392 DEV_VIRTCON, /* -virtioconsole */
2393 DEV_DEBUGCON, /* -debugcon */
2394 DEV_GDB, /* -gdb, -s */
2395 DEV_SCLP, /* s390 sclp */
2396 } type;
2397 const char *cmdline;
2398 Location loc;
2399 QTAILQ_ENTRY(device_config) next;
2400 };
2401
2402 static QTAILQ_HEAD(, device_config) device_configs =
2403 QTAILQ_HEAD_INITIALIZER(device_configs);
2404
2405 static void add_device_config(int type, const char *cmdline)
2406 {
2407 struct device_config *conf;
2408
2409 conf = g_malloc0(sizeof(*conf));
2410 conf->type = type;
2411 conf->cmdline = cmdline;
2412 loc_save(&conf->loc);
2413 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2414 }
2415
2416 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2417 {
2418 struct device_config *conf;
2419 int rc;
2420
2421 QTAILQ_FOREACH(conf, &device_configs, next) {
2422 if (conf->type != type)
2423 continue;
2424 loc_push_restore(&conf->loc);
2425 rc = func(conf->cmdline);
2426 loc_pop(&conf->loc);
2427 if (0 != rc)
2428 return rc;
2429 }
2430 return 0;
2431 }
2432
2433 static int serial_parse(const char *devname)
2434 {
2435 static int index = 0;
2436 char label[32];
2437
2438 if (strcmp(devname, "none") == 0)
2439 return 0;
2440 if (index == MAX_SERIAL_PORTS) {
2441 fprintf(stderr, "qemu: too many serial ports\n");
2442 exit(1);
2443 }
2444 snprintf(label, sizeof(label), "serial%d", index);
2445 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2446 if (!serial_hds[index]) {
2447 fprintf(stderr, "qemu: could not connect serial device"
2448 " to character backend '%s'\n", devname);
2449 return -1;
2450 }
2451 index++;
2452 return 0;
2453 }
2454
2455 static int parallel_parse(const char *devname)
2456 {
2457 static int index = 0;
2458 char label[32];
2459
2460 if (strcmp(devname, "none") == 0)
2461 return 0;
2462 if (index == MAX_PARALLEL_PORTS) {
2463 fprintf(stderr, "qemu: too many parallel ports\n");
2464 exit(1);
2465 }
2466 snprintf(label, sizeof(label), "parallel%d", index);
2467 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2468 if (!parallel_hds[index]) {
2469 fprintf(stderr, "qemu: could not connect parallel device"
2470 " to character backend '%s'\n", devname);
2471 return -1;
2472 }
2473 index++;
2474 return 0;
2475 }
2476
2477 static int virtcon_parse(const char *devname)
2478 {
2479 QemuOptsList *device = qemu_find_opts("device");
2480 static int index = 0;
2481 char label[32];
2482 QemuOpts *bus_opts, *dev_opts;
2483
2484 if (strcmp(devname, "none") == 0)
2485 return 0;
2486 if (index == MAX_VIRTIO_CONSOLES) {
2487 fprintf(stderr, "qemu: too many virtio consoles\n");
2488 exit(1);
2489 }
2490
2491 bus_opts = qemu_opts_create_nofail(device);
2492 if (arch_type == QEMU_ARCH_S390X) {
2493 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2494 } else {
2495 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2496 }
2497
2498 dev_opts = qemu_opts_create_nofail(device);
2499 qemu_opt_set(dev_opts, "driver", "virtconsole");
2500
2501 snprintf(label, sizeof(label), "virtcon%d", index);
2502 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2503 if (!virtcon_hds[index]) {
2504 fprintf(stderr, "qemu: could not connect virtio console"
2505 " to character backend '%s'\n", devname);
2506 return -1;
2507 }
2508 qemu_opt_set(dev_opts, "chardev", label);
2509
2510 index++;
2511 return 0;
2512 }
2513
2514 static int sclp_parse(const char *devname)
2515 {
2516 QemuOptsList *device = qemu_find_opts("device");
2517 static int index = 0;
2518 char label[32];
2519 QemuOpts *dev_opts;
2520
2521 if (strcmp(devname, "none") == 0) {
2522 return 0;
2523 }
2524 if (index == MAX_SCLP_CONSOLES) {
2525 fprintf(stderr, "qemu: too many sclp consoles\n");
2526 exit(1);
2527 }
2528
2529 assert(arch_type == QEMU_ARCH_S390X);
2530
2531 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2532 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2533
2534 snprintf(label, sizeof(label), "sclpcon%d", index);
2535 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2536 if (!sclp_hds[index]) {
2537 fprintf(stderr, "qemu: could not connect sclp console"
2538 " to character backend '%s'\n", devname);
2539 return -1;
2540 }
2541 qemu_opt_set(dev_opts, "chardev", label);
2542
2543 index++;
2544 return 0;
2545 }
2546
2547 static int debugcon_parse(const char *devname)
2548 {
2549 QemuOpts *opts;
2550
2551 if (!qemu_chr_new("debugcon", devname, NULL)) {
2552 exit(1);
2553 }
2554 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2555 if (!opts) {
2556 fprintf(stderr, "qemu: already have a debugcon device\n");
2557 exit(1);
2558 }
2559 qemu_opt_set(opts, "driver", "isa-debugcon");
2560 qemu_opt_set(opts, "chardev", "debugcon");
2561 return 0;
2562 }
2563
2564 static QEMUMachine *machine_parse(const char *name)
2565 {
2566 QEMUMachine *m, *machine = NULL;
2567
2568 if (name) {
2569 machine = find_machine(name);
2570 }
2571 if (machine) {
2572 return machine;
2573 }
2574 printf("Supported machines are:\n");
2575 for (m = first_machine; m != NULL; m = m->next) {
2576 if (m->alias) {
2577 printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2578 }
2579 printf("%-20s %s%s\n", m->name, m->desc,
2580 m->is_default ? " (default)" : "");
2581 }
2582 exit(!name || !is_help_option(name));
2583 }
2584
2585 static int tcg_init(void)
2586 {
2587 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2588 return 0;
2589 }
2590
2591 static struct {
2592 const char *opt_name;
2593 const char *name;
2594 int (*available)(void);
2595 int (*init)(void);
2596 bool *allowed;
2597 } accel_list[] = {
2598 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2599 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2600 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2601 { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2602 };
2603
2604 static int configure_accelerator(void)
2605 {
2606 const char *p = NULL;
2607 char buf[10];
2608 int i, ret;
2609 bool accel_initialised = false;
2610 bool init_failed = false;
2611
2612 QemuOptsList *list = qemu_find_opts("machine");
2613 if (!QTAILQ_EMPTY(&list->head)) {
2614 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2615 }
2616
2617 if (p == NULL) {
2618 /* Use the default "accelerator", tcg */
2619 p = "tcg";
2620 }
2621
2622 while (!accel_initialised && *p != '\0') {
2623 if (*p == ':') {
2624 p++;
2625 }
2626 p = get_opt_name(buf, sizeof (buf), p, ':');
2627 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2628 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2629 if (!accel_list[i].available()) {
2630 printf("%s not supported for this target\n",
2631 accel_list[i].name);
2632 continue;
2633 }
2634 *(accel_list[i].allowed) = true;
2635 ret = accel_list[i].init();
2636 if (ret < 0) {
2637 init_failed = true;
2638 fprintf(stderr, "failed to initialize %s: %s\n",
2639 accel_list[i].name,
2640 strerror(-ret));
2641 *(accel_list[i].allowed) = false;
2642 } else {
2643 accel_initialised = true;
2644 }
2645 break;
2646 }
2647 }
2648 if (i == ARRAY_SIZE(accel_list)) {
2649 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2650 }
2651 }
2652
2653 if (!accel_initialised) {
2654 if (!init_failed) {
2655 fprintf(stderr, "No accelerator found!\n");
2656 }
2657 exit(1);
2658 }
2659
2660 if (init_failed) {
2661 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2662 }
2663
2664 return !accel_initialised;
2665 }
2666
2667 void qemu_add_exit_notifier(Notifier *notify)
2668 {
2669 notifier_list_add(&exit_notifiers, notify);
2670 }
2671
2672 void qemu_remove_exit_notifier(Notifier *notify)
2673 {
2674 notifier_remove(notify);
2675 }
2676
2677 static void qemu_run_exit_notifiers(void)
2678 {
2679 notifier_list_notify(&exit_notifiers, NULL);
2680 }
2681
2682 void qemu_add_machine_init_done_notifier(Notifier *notify)
2683 {
2684 notifier_list_add(&machine_init_done_notifiers, notify);
2685 }
2686
2687 static void qemu_run_machine_init_done_notifiers(void)
2688 {
2689 notifier_list_notify(&machine_init_done_notifiers, NULL);
2690 }
2691
2692 static const QEMUOption *lookup_opt(int argc, char **argv,
2693 const char **poptarg, int *poptind)
2694 {
2695 const QEMUOption *popt;
2696 int optind = *poptind;
2697 char *r = argv[optind];
2698 const char *optarg;
2699
2700 loc_set_cmdline(argv, optind, 1);
2701 optind++;
2702 /* Treat --foo the same as -foo. */
2703 if (r[1] == '-')
2704 r++;
2705 popt = qemu_options;
2706 for(;;) {
2707 if (!popt->name) {
2708 error_report("invalid option");
2709 exit(1);
2710 }
2711 if (!strcmp(popt->name, r + 1))
2712 break;
2713 popt++;
2714 }
2715 if (popt->flags & HAS_ARG) {
2716 if (optind >= argc) {
2717 error_report("requires an argument");
2718 exit(1);
2719 }
2720 optarg = argv[optind++];
2721 loc_set_cmdline(argv, optind - 2, 2);
2722 } else {
2723 optarg = NULL;
2724 }
2725
2726 *poptarg = optarg;
2727 *poptind = optind;
2728
2729 return popt;
2730 }
2731
2732 static gpointer malloc_and_trace(gsize n_bytes)
2733 {
2734 void *ptr = malloc(n_bytes);
2735 trace_g_malloc(n_bytes, ptr);
2736 return ptr;
2737 }
2738
2739 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2740 {
2741 void *ptr = realloc(mem, n_bytes);
2742 trace_g_realloc(mem, n_bytes, ptr);
2743 return ptr;
2744 }
2745
2746 static void free_and_trace(gpointer mem)
2747 {
2748 trace_g_free(mem);
2749 free(mem);
2750 }
2751
2752 static int object_set_property(const char *name, const char *value, void *opaque)
2753 {
2754 Object *obj = OBJECT(opaque);
2755 StringInputVisitor *siv;
2756 Error *local_err = NULL;
2757
2758 if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0) {
2759 return 0;
2760 }
2761
2762 siv = string_input_visitor_new(value);
2763 object_property_set(obj, string_input_get_visitor(siv), name, &local_err);
2764 string_input_visitor_cleanup(siv);
2765
2766 if (local_err) {
2767 qerror_report_err(local_err);
2768 error_free(local_err);
2769 return -1;
2770 }
2771
2772 return 0;
2773 }
2774
2775 static int object_create(QemuOpts *opts, void *opaque)
2776 {
2777 const char *type = qemu_opt_get(opts, "qom-type");
2778 const char *id = qemu_opts_id(opts);
2779 Object *obj;
2780
2781 g_assert(type != NULL);
2782
2783 if (id == NULL) {
2784 qerror_report(QERR_MISSING_PARAMETER, "id");
2785 return -1;
2786 }
2787
2788 obj = object_new(type);
2789 if (qemu_opt_foreach(opts, object_set_property, obj, 1) < 0) {
2790 return -1;
2791 }
2792
2793 object_property_add_child(container_get(object_get_root(), "/objects"),
2794 id, obj, NULL);
2795
2796 return 0;
2797 }
2798
2799 int main(int argc, char **argv, char **envp)
2800 {
2801 int i;
2802 int snapshot, linux_boot;
2803 const char *icount_option = NULL;
2804 const char *initrd_filename;
2805 const char *kernel_filename, *kernel_cmdline;
2806 char boot_devices[33] = "";
2807 DisplayState *ds;
2808 int cyls, heads, secs, translation;
2809 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2810 QemuOptsList *olist;
2811 int optind;
2812 const char *optarg;
2813 const char *loadvm = NULL;
2814 QEMUMachine *machine;
2815 const char *cpu_model;
2816 const char *vga_model = "none";
2817 const char *pid_file = NULL;
2818 const char *incoming = NULL;
2819 #ifdef CONFIG_VNC
2820 int show_vnc_port = 0;
2821 #endif
2822 bool defconfig = true;
2823 bool userconfig = true;
2824 const char *log_mask = NULL;
2825 const char *log_file = NULL;
2826 GMemVTable mem_trace = {
2827 .malloc = malloc_and_trace,
2828 .realloc = realloc_and_trace,
2829 .free = free_and_trace,
2830 };
2831 const char *trace_events = NULL;
2832 const char *trace_file = NULL;
2833
2834 atexit(qemu_run_exit_notifiers);
2835 error_set_progname(argv[0]);
2836
2837 g_mem_set_vtable(&mem_trace);
2838 if (!g_thread_supported()) {
2839 #if !GLIB_CHECK_VERSION(2, 31, 0)
2840 g_thread_init(NULL);
2841 #else
2842 fprintf(stderr, "glib threading failed to initialize.\n");
2843 exit(1);
2844 #endif
2845 }
2846
2847 module_call_init(MODULE_INIT_QOM);
2848
2849 qemu_add_opts(&qemu_drive_opts);
2850 qemu_add_opts(&qemu_chardev_opts);
2851 qemu_add_opts(&qemu_device_opts);
2852 qemu_add_opts(&qemu_netdev_opts);
2853 qemu_add_opts(&qemu_net_opts);
2854 qemu_add_opts(&qemu_rtc_opts);
2855 qemu_add_opts(&qemu_global_opts);
2856 qemu_add_opts(&qemu_mon_opts);
2857 qemu_add_opts(&qemu_trace_opts);
2858 qemu_add_opts(&qemu_option_rom_opts);
2859 qemu_add_opts(&qemu_machine_opts);
2860 qemu_add_opts(&qemu_boot_opts);
2861 qemu_add_opts(&qemu_sandbox_opts);
2862 qemu_add_opts(&qemu_add_fd_opts);
2863 qemu_add_opts(&qemu_object_opts);
2864
2865 runstate_init();
2866
2867 init_clocks();
2868 rtc_clock = host_clock;
2869
2870 qemu_cache_utils_init(envp);
2871
2872 QLIST_INIT (&vm_change_state_head);
2873 os_setup_early_signal_handling();
2874
2875 module_call_init(MODULE_INIT_MACHINE);
2876 machine = find_default_machine();
2877 cpu_model = NULL;
2878 ram_size = 0;
2879 snapshot = 0;
2880 cyls = heads = secs = 0;
2881 translation = BIOS_ATA_TRANSLATION_AUTO;
2882
2883 for (i = 0; i < MAX_NODES; i++) {
2884 node_mem[i] = 0;
2885 node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2886 }
2887
2888 nb_numa_nodes = 0;
2889 nb_nics = 0;
2890
2891 autostart= 1;
2892
2893 /* first pass of option parsing */
2894 optind = 1;
2895 while (optind < argc) {
2896 if (argv[optind][0] != '-') {
2897 /* disk image */
2898 optind++;
2899 continue;
2900 } else {
2901 const QEMUOption *popt;
2902
2903 popt = lookup_opt(argc, argv, &optarg, &optind);
2904 switch (popt->index) {
2905 case QEMU_OPTION_nodefconfig:
2906 defconfig = false;
2907 break;
2908 case QEMU_OPTION_nouserconfig:
2909 userconfig = false;
2910 break;
2911 }
2912 }
2913 }
2914
2915 if (defconfig) {
2916 int ret;
2917 ret = qemu_read_default_config_files(userconfig);
2918 if (ret < 0) {
2919 exit(1);
2920 }
2921 }
2922
2923 /* second pass of option parsing */
2924 optind = 1;
2925 for(;;) {
2926 if (optind >= argc)
2927 break;
2928 if (argv[optind][0] != '-') {
2929 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2930 } else {
2931 const QEMUOption *popt;
2932
2933 popt = lookup_opt(argc, argv, &optarg, &optind);
2934 if (!(popt->arch_mask & arch_type)) {
2935 printf("Option %s not supported for this target\n", popt->name);
2936 exit(1);
2937 }
2938 switch(popt->index) {
2939 case QEMU_OPTION_M:
2940 machine = machine_parse(optarg);
2941 break;
2942 case QEMU_OPTION_no_kvm_irqchip: {
2943 olist = qemu_find_opts("machine");
2944 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
2945 break;
2946 }
2947 case QEMU_OPTION_cpu:
2948 /* hw initialization will check this */
2949 cpu_model = optarg;
2950 break;
2951 case QEMU_OPTION_hda:
2952 {
2953 char buf[256];
2954 if (cyls == 0)
2955 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2956 else
2957 snprintf(buf, sizeof(buf),
2958 "%s,cyls=%d,heads=%d,secs=%d%s",
2959 HD_OPTS , cyls, heads, secs,
2960 translation == BIOS_ATA_TRANSLATION_LBA ?
2961 ",trans=lba" :
2962 translation == BIOS_ATA_TRANSLATION_NONE ?
2963 ",trans=none" : "");
2964 drive_add(IF_DEFAULT, 0, optarg, buf);
2965 break;
2966 }
2967 case QEMU_OPTION_hdb:
2968 case QEMU_OPTION_hdc:
2969 case QEMU_OPTION_hdd:
2970 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2971 HD_OPTS);
2972 break;
2973 case QEMU_OPTION_drive:
2974 if (drive_def(optarg) == NULL) {
2975 exit(1);
2976 }
2977 break;
2978 case QEMU_OPTION_set:
2979 if (qemu_set_option(optarg) != 0)
2980 exit(1);
2981 break;
2982 case QEMU_OPTION_global:
2983 if (qemu_global_option(optarg) != 0)
2984 exit(1);
2985 break;
2986 case QEMU_OPTION_mtdblock:
2987 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2988 break;
2989 case QEMU_OPTION_sd:
2990 drive_add(IF_SD, 0, optarg, SD_OPTS);
2991 break;
2992 case QEMU_OPTION_pflash:
2993 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2994 break;
2995 case QEMU_OPTION_snapshot:
2996 snapshot = 1;
2997 break;
2998 case QEMU_OPTION_hdachs:
2999 {
3000 const char *p;
3001 p = optarg;
3002 cyls = strtol(p, (char **)&p, 0);
3003 if (cyls < 1 || cyls > 16383)
3004 goto chs_fail;
3005 if (*p != ',')
3006 goto chs_fail;
3007 p++;
3008 heads = strtol(p, (char **)&p, 0);
3009 if (heads < 1 || heads > 16)
3010 goto chs_fail;
3011 if (*p != ',')
3012 goto chs_fail;
3013 p++;
3014 secs = strtol(p, (char **)&p, 0);
3015 if (secs < 1 || secs > 63)
3016 goto chs_fail;
3017 if (*p == ',') {
3018 p++;
3019 if (!strcmp(p, "none"))
3020 translation = BIOS_ATA_TRANSLATION_NONE;
3021 else if (!strcmp(p, "lba"))
3022 translation = BIOS_ATA_TRANSLATION_LBA;
3023 else if (!strcmp(p, "auto"))
3024 translation = BIOS_ATA_TRANSLATION_AUTO;
3025 else
3026 goto chs_fail;
3027 } else if (*p != '\0') {
3028 chs_fail:
3029 fprintf(stderr, "qemu: invalid physical CHS format\n");
3030 exit(1);
3031 }
3032 if (hda_opts != NULL) {
3033 char num[16];
3034 snprintf(num, sizeof(num), "%d", cyls);
3035 qemu_opt_set(hda_opts, "cyls", num);
3036 snprintf(num, sizeof(num), "%d", heads);
3037 qemu_opt_set(hda_opts, "heads", num);
3038 snprintf(num, sizeof(num), "%d", secs);
3039 qemu_opt_set(hda_opts, "secs", num);
3040 if (translation == BIOS_ATA_TRANSLATION_LBA)
3041 qemu_opt_set(hda_opts, "trans", "lba");
3042 if (translation == BIOS_ATA_TRANSLATION_NONE)
3043 qemu_opt_set(hda_opts, "trans", "none");
3044 }
3045 }
3046 break;
3047 case QEMU_OPTION_numa:
3048 numa_add(optarg);
3049 break;
3050 case QEMU_OPTION_display:
3051 display_type = select_display(optarg);
3052 break;
3053 case QEMU_OPTION_nographic:
3054 display_type = DT_NOGRAPHIC;
3055 break;
3056 case QEMU_OPTION_curses:
3057 #ifdef CONFIG_CURSES
3058 display_type = DT_CURSES;
3059 #else
3060 fprintf(stderr, "Curses support is disabled\n");
3061 exit(1);
3062 #endif
3063 break;
3064 case QEMU_OPTION_portrait:
3065 graphic_rotate = 90;
3066 break;
3067 case QEMU_OPTION_rotate:
3068 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3069 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3070 graphic_rotate != 180 && graphic_rotate != 270) {
3071 fprintf(stderr,
3072 "qemu: only 90, 180, 270 deg rotation is available\n");
3073 exit(1);
3074 }
3075 break;
3076 case QEMU_OPTION_kernel:
3077 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3078 break;
3079 case QEMU_OPTION_initrd:
3080 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3081 break;
3082 case QEMU_OPTION_append:
3083 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3084 break;
3085 case QEMU_OPTION_dtb:
3086 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3087 break;
3088 case QEMU_OPTION_cdrom:
3089 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3090 break;
3091 case QEMU_OPTION_boot:
3092 {
3093 static const char * const params[] = {
3094 "order", "once", "menu",
3095 "splash", "splash-time",
3096 "reboot-timeout", NULL
3097 };
3098 char buf[sizeof(boot_devices)];
3099 char *standard_boot_devices;
3100 int legacy = 0;
3101
3102 if (!strchr(optarg, '=')) {
3103 legacy = 1;
3104 pstrcpy(buf, sizeof(buf), optarg);
3105 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
3106 fprintf(stderr,
3107 "qemu: unknown boot parameter '%s' in '%s'\n",
3108 buf, optarg);
3109 exit(1);
3110 }
3111
3112 if (legacy ||
3113 get_param_value(buf, sizeof(buf), "order", optarg)) {
3114 validate_bootdevices(buf);
3115 pstrcpy(boot_devices, sizeof(boot_devices), buf);
3116 }
3117 if (!legacy) {
3118 if (get_param_value(buf, sizeof(buf),
3119 "once", optarg)) {
3120 validate_bootdevices(buf);
3121 standard_boot_devices = g_strdup(boot_devices);
3122 pstrcpy(boot_devices, sizeof(boot_devices), buf);
3123 qemu_register_reset(restore_boot_devices,
3124 standard_boot_devices);
3125 }
3126 if (get_param_value(buf, sizeof(buf),
3127 "menu", optarg)) {
3128 if (!strcmp(buf, "on")) {
3129 boot_menu = 1;
3130 } else if (!strcmp(buf, "off")) {
3131 boot_menu = 0;
3132 } else {
3133 fprintf(stderr,
3134 "qemu: invalid option value '%s'\n",
3135 buf);
3136 exit(1);
3137 }
3138 }
3139 if (!qemu_opts_parse(qemu_find_opts("boot-opts"),
3140 optarg, 0)) {
3141 exit(1);
3142 }
3143 }
3144 }
3145 break;
3146 case QEMU_OPTION_fda:
3147 case QEMU_OPTION_fdb:
3148 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3149 optarg, FD_OPTS);
3150 break;
3151 case QEMU_OPTION_no_fd_bootchk:
3152 fd_bootchk = 0;
3153 break;
3154 case QEMU_OPTION_netdev:
3155 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3156 exit(1);
3157 }
3158 break;
3159 case QEMU_OPTION_net:
3160 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3161 exit(1);
3162 }
3163 break;
3164 #ifdef CONFIG_LIBISCSI
3165 case QEMU_OPTION_iscsi:
3166 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3167 if (!opts) {
3168 exit(1);
3169 }
3170 break;
3171 #endif
3172 #ifdef CONFIG_SLIRP
3173 case QEMU_OPTION_tftp:
3174 legacy_tftp_prefix = optarg;
3175 break;
3176 case QEMU_OPTION_bootp:
3177 legacy_bootp_filename = optarg;
3178 break;
3179 case QEMU_OPTION_redir:
3180 if (net_slirp_redir(optarg) < 0)
3181 exit(1);
3182 break;
3183 #endif
3184 case QEMU_OPTION_bt:
3185 add_device_config(DEV_BT, optarg);
3186 break;
3187 case QEMU_OPTION_audio_help:
3188 if (!(audio_available())) {
3189 printf("Option %s not supported for this target\n", popt->name);
3190 exit(1);
3191 }
3192 AUD_help ();
3193 exit (0);
3194 break;
3195 case QEMU_OPTION_soundhw:
3196 if (!(audio_available())) {
3197 printf("Option %s not supported for this target\n", popt->name);
3198 exit(1);
3199 }
3200 select_soundhw (optarg);
3201 break;
3202 case QEMU_OPTION_h:
3203 help(0);
3204 break;
3205 case QEMU_OPTION_version:
3206 version();
3207 exit(0);
3208 break;
3209 case QEMU_OPTION_m: {
3210 int64_t value;
3211 uint64_t sz;
3212 char *end;
3213
3214 value = strtosz(optarg, &end);
3215 if (value < 0 || *end) {
3216 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
3217 exit(1);
3218 }
3219 sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
3220 ram_size = sz;
3221 if (ram_size != sz) {
3222 fprintf(stderr, "qemu: ram size too large\n");
3223 exit(1);
3224 }
3225 break;
3226 }
3227 case QEMU_OPTION_mempath:
3228 mem_path = optarg;
3229 break;
3230 #ifdef MAP_POPULATE
3231 case QEMU_OPTION_mem_prealloc:
3232 mem_prealloc = 1;
3233 break;
3234 #endif
3235 case QEMU_OPTION_d:
3236 log_mask = optarg;
3237 break;
3238 case QEMU_OPTION_D:
3239 log_file = optarg;
3240 break;
3241 case QEMU_OPTION_s:
3242 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3243 break;
3244 case QEMU_OPTION_gdb:
3245 add_device_config(DEV_GDB, optarg);
3246 break;
3247 case QEMU_OPTION_L:
3248 data_dir = optarg;
3249 break;
3250 case QEMU_OPTION_bios:
3251 bios_name = optarg;
3252 break;
3253 case QEMU_OPTION_singlestep:
3254 singlestep = 1;
3255 break;
3256 case QEMU_OPTION_S:
3257 autostart = 0;
3258 break;
3259 case QEMU_OPTION_k:
3260 keyboard_layout = optarg;
3261 break;
3262 case QEMU_OPTION_localtime:
3263 rtc_utc = 0;
3264 break;
3265 case QEMU_OPTION_vga:
3266 vga_model = optarg;
3267 default_vga = 0;
3268 break;
3269 case QEMU_OPTION_g:
3270 {
3271 const char *p;
3272 int w, h, depth;
3273 p = optarg;
3274 w = strtol(p, (char **)&p, 10);
3275 if (w <= 0) {
3276 graphic_error:
3277 fprintf(stderr, "qemu: invalid resolution or depth\n");
3278 exit(1);
3279 }
3280 if (*p != 'x')
3281 goto graphic_error;
3282 p++;
3283 h = strtol(p, (char **)&p, 10);
3284 if (h <= 0)
3285 goto graphic_error;
3286 if (*p == 'x') {
3287 p++;
3288 depth = strtol(p, (char **)&p, 10);
3289 if (depth != 8 && depth != 15 && depth != 16 &&
3290 depth != 24 && depth != 32)
3291 goto graphic_error;
3292 } else if (*p == '\0') {
3293 depth = graphic_depth;
3294 } else {
3295 goto graphic_error;
3296 }
3297
3298 graphic_width = w;
3299 graphic_height = h;
3300 graphic_depth = depth;
3301 }
3302 break;
3303 case QEMU_OPTION_echr:
3304 {
3305 char *r;
3306 term_escape_char = strtol(optarg, &r, 0);
3307 if (r == optarg)
3308 printf("Bad argument to echr\n");
3309 break;
3310 }
3311 case QEMU_OPTION_monitor:
3312 monitor_parse(optarg, "readline");
3313 default_monitor = 0;
3314 break;
3315 case QEMU_OPTION_qmp:
3316 monitor_parse(optarg, "control");
3317 default_monitor = 0;
3318 break;
3319 case QEMU_OPTION_mon:
3320 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3321 if (!opts) {
3322 exit(1);
3323 }
3324 default_monitor = 0;
3325 break;
3326 case QEMU_OPTION_chardev:
3327 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3328 if (!opts) {
3329 exit(1);
3330 }
3331 break;
3332 case QEMU_OPTION_fsdev:
3333 olist = qemu_find_opts("fsdev");
3334 if (!olist) {
3335 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3336 exit(1);
3337 }
3338 opts = qemu_opts_parse(olist, optarg, 1);
3339 if (!opts) {
3340 exit(1);
3341 }
3342 break;
3343 case QEMU_OPTION_virtfs: {
3344 QemuOpts *fsdev;
3345 QemuOpts *device;
3346 const char *writeout, *sock_fd, *socket;
3347
3348 olist = qemu_find_opts("virtfs");
3349 if (!olist) {
3350 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3351 exit(1);
3352 }
3353 opts = qemu_opts_parse(olist, optarg, 1);
3354 if (!opts) {
3355 exit(1);
3356 }
3357
3358 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3359 qemu_opt_get(opts, "mount_tag") == NULL) {
3360 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3361 exit(1);
3362 }
3363 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3364 qemu_opt_get(opts, "mount_tag"),
3365 1, NULL);
3366 if (!fsdev) {
3367 fprintf(stderr, "duplicate fsdev id: %s\n",
3368 qemu_opt_get(opts, "mount_tag"));
3369 exit(1);
3370 }
3371
3372 writeout = qemu_opt_get(opts, "writeout");
3373 if (writeout) {
3374 #ifdef CONFIG_SYNC_FILE_RANGE
3375 qemu_opt_set(fsdev, "writeout", writeout);
3376 #else
3377 fprintf(stderr, "writeout=immediate not supported on "
3378 "this platform\n");
3379 exit(1);
3380 #endif
3381 }
3382 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3383 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3384 qemu_opt_set(fsdev, "security_model",
3385 qemu_opt_get(opts, "security_model"));
3386 socket = qemu_opt_get(opts, "socket");
3387 if (socket) {
3388 qemu_opt_set(fsdev, "socket", socket);
3389 }
3390 sock_fd = qemu_opt_get(opts, "sock_fd");
3391 if (sock_fd) {
3392 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3393 }
3394
3395 qemu_opt_set_bool(fsdev, "readonly",
3396 qemu_opt_get_bool(opts, "readonly", 0));
3397 device = qemu_opts_create_nofail(qemu_find_opts("device"));
3398 qemu_opt_set(device, "driver", "virtio-9p-pci");
3399 qemu_opt_set(device, "fsdev",
3400 qemu_opt_get(opts, "mount_tag"));
3401 qemu_opt_set(device, "mount_tag",
3402 qemu_opt_get(opts, "mount_tag"));
3403 break;
3404 }
3405 case QEMU_OPTION_virtfs_synth: {
3406 QemuOpts *fsdev;
3407 QemuOpts *device;
3408
3409 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3410 1, NULL);
3411 if (!fsdev) {
3412 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3413 exit(1);
3414 }
3415 qemu_opt_set(fsdev, "fsdriver", "synth");
3416
3417 device = qemu_opts_create_nofail(qemu_find_opts("device"));
3418 qemu_opt_set(device, "driver", "virtio-9p-pci");
3419 qemu_opt_set(device, "fsdev", "v_synth");
3420 qemu_opt_set(device, "mount_tag", "v_synth");
3421 break;
3422 }
3423 case QEMU_OPTION_serial:
3424 add_device_config(DEV_SERIAL, optarg);
3425 default_serial = 0;
3426 if (strncmp(optarg, "mon:", 4) == 0) {
3427 default_monitor = 0;
3428 }
3429 break;
3430 case QEMU_OPTION_watchdog:
3431 if (watchdog) {
3432 fprintf(stderr,
3433 "qemu: only one watchdog option may be given\n");
3434 return 1;
3435 }
3436 watchdog = optarg;
3437 break;
3438 case QEMU_OPTION_watchdog_action:
3439 if (select_watchdog_action(optarg) == -1) {
3440 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3441 exit(1);
3442 }
3443 break;
3444 case QEMU_OPTION_virtiocon:
3445 add_device_config(DEV_VIRTCON, optarg);
3446 default_virtcon = 0;
3447 if (strncmp(optarg, "mon:", 4) == 0) {
3448 default_monitor = 0;
3449 }
3450 break;
3451 case QEMU_OPTION_parallel:
3452 add_device_config(DEV_PARALLEL, optarg);
3453 default_parallel = 0;
3454 if (strncmp(optarg, "mon:", 4) == 0) {
3455 default_monitor = 0;
3456 }
3457 break;
3458 case QEMU_OPTION_debugcon:
3459 add_device_config(DEV_DEBUGCON, optarg);
3460 break;
3461 case QEMU_OPTION_loadvm:
3462 loadvm = optarg;
3463 break;
3464 case QEMU_OPTION_full_screen:
3465 full_screen = 1;
3466 break;
3467 #ifdef CONFIG_SDL
3468 case QEMU_OPTION_no_frame:
3469 no_frame = 1;
3470 break;
3471 case QEMU_OPTION_alt_grab:
3472 alt_grab = 1;
3473 break;
3474 case QEMU_OPTION_ctrl_grab:
3475 ctrl_grab = 1;
3476 break;
3477 case QEMU_OPTION_no_quit:
3478 no_quit = 1;
3479 break;
3480 case QEMU_OPTION_sdl:
3481 display_type = DT_SDL;
3482 break;
3483 #else
3484 case QEMU_OPTION_no_frame:
3485 case QEMU_OPTION_alt_grab:
3486 case QEMU_OPTION_ctrl_grab:
3487 case QEMU_OPTION_no_quit:
3488 case QEMU_OPTION_sdl:
3489 fprintf(stderr, "SDL support is disabled\n");
3490 exit(1);
3491 #endif
3492 case QEMU_OPTION_pidfile:
3493 pid_file = optarg;
3494 break;
3495 case QEMU_OPTION_win2k_hack:
3496 win2k_install_hack = 1;
3497 break;
3498 case QEMU_OPTION_rtc_td_hack: {
3499 static GlobalProperty slew_lost_ticks[] = {
3500 {
3501 .driver = "mc146818rtc",
3502 .property = "lost_tick_policy",
3503 .value = "slew",
3504 },
3505 { /* end of list */ }
3506 };
3507
3508 qdev_prop_register_global_list(slew_lost_ticks);
3509 break;
3510 }
3511 case QEMU_OPTION_acpitable:
3512 do_acpitable_option(optarg);
3513 break;
3514 case QEMU_OPTION_smbios:
3515 do_smbios_option(optarg);
3516 break;
3517 case QEMU_OPTION_enable_kvm:
3518 olist = qemu_find_opts("machine");
3519 qemu_opts_parse(olist, "accel=kvm", 0);
3520 break;
3521 case QEMU_OPTION_machine:
3522 olist = qemu_find_opts("machine");
3523 opts = qemu_opts_parse(olist, optarg, 1);
3524 if (!opts) {
3525 exit(1);
3526 }
3527 optarg = qemu_opt_get(opts, "type");
3528 if (optarg) {
3529 machine = machine_parse(optarg);
3530 }
3531 break;
3532 case QEMU_OPTION_no_kvm:
3533 olist = qemu_find_opts("machine");
3534 qemu_opts_parse(olist, "accel=tcg", 0);
3535 break;
3536 case QEMU_OPTION_no_kvm_pit: {
3537 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3538 "separately.\n");
3539 break;
3540 }
3541 case QEMU_OPTION_no_kvm_pit_reinjection: {
3542 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3543 {
3544 .driver = "kvm-pit",
3545 .property = "lost_tick_policy",
3546 .value = "discard",
3547 },
3548 { /* end of list */ }
3549 };
3550
3551 fprintf(stderr, "Warning: option deprecated, use "
3552 "lost_tick_policy property of kvm-pit instead.\n");
3553 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3554 break;
3555 }
3556 case QEMU_OPTION_usb:
3557 olist = qemu_find_opts("machine");
3558 qemu_opts_parse(olist, "usb=on", 0);
3559 break;
3560 case QEMU_OPTION_usbdevice:
3561 olist = qemu_find_opts("machine");
3562 qemu_opts_parse(olist, "usb=on", 0);
3563 add_device_config(DEV_USB, optarg);
3564 break;
3565 case QEMU_OPTION_device:
3566 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3567 exit(1);
3568 }
3569 break;
3570 case QEMU_OPTION_smp:
3571 smp_parse(optarg);
3572 if (smp_cpus < 1) {
3573 fprintf(stderr, "Invalid number of CPUs\n");
3574 exit(1);
3575 }
3576 if (max_cpus < smp_cpus) {
3577 fprintf(stderr, "maxcpus must be equal to or greater than "
3578 "smp\n");
3579 exit(1);
3580 }
3581 if (max_cpus > 255) {
3582 fprintf(stderr, "Unsupported number of maxcpus\n");
3583 exit(1);
3584 }
3585 break;
3586 case QEMU_OPTION_vnc:
3587 #ifdef CONFIG_VNC
3588 display_remote++;
3589 vnc_display = optarg;
3590 #else
3591 fprintf(stderr, "VNC support is disabled\n");
3592 exit(1);
3593 #endif
3594 break;
3595 case QEMU_OPTION_no_acpi:
3596 acpi_enabled = 0;
3597 break;
3598 case QEMU_OPTION_no_hpet:
3599 no_hpet = 1;
3600 break;
3601 case QEMU_OPTION_balloon:
3602 if (balloon_parse(optarg) < 0) {
3603 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3604 exit(1);
3605 }
3606 break;
3607 case QEMU_OPTION_no_reboot:
3608 no_reboot = 1;
3609 break;
3610 case QEMU_OPTION_no_shutdown:
3611 no_shutdown = 1;
3612 break;
3613 case QEMU_OPTION_show_cursor:
3614 cursor_hide = 0;
3615 break;
3616 case QEMU_OPTION_uuid:
3617 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3618 fprintf(stderr, "Fail to parse UUID string."
3619 " Wrong format.\n");
3620 exit(1);
3621 }
3622 break;
3623 case QEMU_OPTION_option_rom:
3624 if (nb_option_roms >= MAX_OPTION_ROMS) {
3625 fprintf(stderr, "Too many option ROMs\n");
3626 exit(1);
3627 }
3628 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3629 if (!opts) {
3630 exit(1);
3631 }
3632 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3633 option_rom[nb_option_roms].bootindex =
3634 qemu_opt_get_number(opts, "bootindex", -1);
3635 if (!option_rom[nb_option_roms].name) {
3636 fprintf(stderr, "Option ROM file is not specified\n");
3637 exit(1);
3638 }
3639 nb_option_roms++;
3640 break;
3641 case QEMU_OPTION_semihosting:
3642 semihosting_enabled = 1;
3643 break;
3644 case QEMU_OPTION_tdf:
3645 fprintf(stderr, "Warning: user space PIT time drift fix "
3646 "is no longer supported.\n");
3647 break;
3648 case QEMU_OPTION_name:
3649 qemu_name = g_strdup(optarg);
3650 {
3651 char *p = strchr(qemu_name, ',');
3652 if (p != NULL) {
3653 *p++ = 0;
3654 if (strncmp(p, "process=", 8)) {
3655 fprintf(stderr, "Unknown subargument %s to -name\n", p);
3656 exit(1);
3657 }
3658 p += 8;
3659 os_set_proc_name(p);
3660 }
3661 }
3662 break;
3663 case QEMU_OPTION_prom_env:
3664 if (nb_prom_envs >= MAX_PROM_ENVS) {
3665 fprintf(stderr, "Too many prom variables\n");
3666 exit(1);
3667 }
3668 prom_envs[nb_prom_envs] = optarg;
3669 nb_prom_envs++;
3670 break;
3671 case QEMU_OPTION_old_param:
3672 old_param = 1;
3673 break;
3674 case QEMU_OPTION_clock:
3675 configure_alarms(optarg);
3676 break;
3677 case QEMU_OPTION_startdate:
3678 configure_rtc_date_offset(optarg, 1);
3679 break;
3680 case QEMU_OPTION_rtc:
3681 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3682 if (!opts) {
3683 exit(1);
3684 }
3685 configure_rtc(opts);
3686 break;
3687 case QEMU_OPTION_tb_size:
3688 tcg_tb_size = strtol(optarg, NULL, 0);
3689 if (tcg_tb_size < 0) {
3690 tcg_tb_size = 0;
3691 }
3692 break;
3693 case QEMU_OPTION_icount:
3694 icount_option = optarg;
3695 break;
3696 case QEMU_OPTION_incoming:
3697 incoming = optarg;
3698 runstate_set(RUN_STATE_INMIGRATE);
3699 break;
3700 case QEMU_OPTION_nodefaults:
3701 default_serial = 0;
3702 default_parallel = 0;
3703 default_virtcon = 0;
3704 default_sclp = 0;
3705 default_monitor = 0;
3706 default_net = 0;
3707 default_floppy = 0;
3708 default_cdrom = 0;
3709 default_sdcard = 0;
3710 default_vga = 0;
3711 break;
3712 case QEMU_OPTION_xen_domid:
3713 if (!(xen_available())) {
3714 printf("Option %s not supported for this target\n", popt->name);
3715 exit(1);
3716 }
3717 xen_domid = atoi(optarg);
3718 break;
3719 case QEMU_OPTION_xen_create:
3720 if (!(xen_available())) {
3721 printf("Option %s not supported for this target\n", popt->name);
3722 exit(1);
3723 }
3724 xen_mode = XEN_CREATE;
3725 break;
3726 case QEMU_OPTION_xen_attach:
3727 if (!(xen_available())) {
3728 printf("Option %s not supported for this target\n", popt->name);
3729 exit(1);
3730 }
3731 xen_mode = XEN_ATTACH;
3732 break;
3733 case QEMU_OPTION_trace:
3734 {
3735 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3736 if (!opts) {
3737 exit(1);
3738 }
3739 trace_events = qemu_opt_get(opts, "events");
3740 trace_file = qemu_opt_get(opts, "file");
3741 break;
3742 }
3743 case QEMU_OPTION_readconfig:
3744 {
3745 int ret = qemu_read_config_file(optarg);
3746 if (ret < 0) {
3747 fprintf(stderr, "read config %s: %s\n", optarg,
3748 strerror(-ret));
3749 exit(1);
3750 }
3751 break;
3752 }
3753 case QEMU_OPTION_spice:
3754 olist = qemu_find_opts("spice");
3755 if (!olist) {
3756 fprintf(stderr, "spice is not supported by this qemu build.\n");
3757 exit(1);
3758 }
3759 opts = qemu_opts_parse(olist, optarg, 0);
3760 if (!opts) {
3761 exit(1);
3762 }
3763 break;
3764 case QEMU_OPTION_writeconfig:
3765 {
3766 FILE *fp;
3767 if (strcmp(optarg, "-") == 0) {
3768 fp = stdout;
3769 } else {
3770 fp = fopen(optarg, "w");
3771 if (fp == NULL) {
3772 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3773 exit(1);
3774 }
3775 }
3776 qemu_config_write(fp);
3777 fclose(fp);
3778 break;
3779 }
3780 case QEMU_OPTION_qtest:
3781 qtest_chrdev = optarg;
3782 break;
3783 case QEMU_OPTION_qtest_log:
3784 qtest_log = optarg;
3785 break;
3786 case QEMU_OPTION_sandbox:
3787 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3788 if (!opts) {
3789 exit(1);
3790 }
3791 break;
3792 case QEMU_OPTION_add_fd:
3793 #ifndef _WIN32
3794 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3795 if (!opts) {
3796 exit(1);
3797 }
3798 #else
3799 error_report("File descriptor passing is disabled on this "
3800 "platform");
3801 exit(1);
3802 #endif
3803 break;
3804 case QEMU_OPTION_object:
3805 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3806 if (!opts) {
3807 exit(1);
3808 }
3809 break;
3810 default:
3811 os_parse_cmd_args(popt->index, optarg);
3812 }
3813 }
3814 }
3815 loc_set_none();
3816
3817 if (qemu_init_main_loop()) {
3818 fprintf(stderr, "qemu_init_main_loop failed\n");
3819 exit(1);
3820 }
3821
3822 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3823 exit(1);
3824 }
3825
3826 #ifndef _WIN32
3827 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3828 exit(1);
3829 }
3830
3831 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3832 exit(1);
3833 }
3834 #endif
3835
3836 if (machine == NULL) {
3837 fprintf(stderr, "No machine found.\n");
3838 exit(1);
3839 }
3840
3841 if (machine->hw_version) {
3842 qemu_set_version(machine->hw_version);
3843 }
3844
3845 if (qemu_opts_foreach(qemu_find_opts("object"),
3846 object_create, NULL, 0) != 0) {
3847 exit(1);
3848 }
3849
3850 /* Init CPU def lists, based on config
3851 * - Must be called after all the qemu_read_config_file() calls
3852 * - Must be called before list_cpus()
3853 * - Must be called before machine->init()
3854 */
3855 cpudef_init();
3856
3857 if (cpu_model && is_help_option(cpu_model)) {
3858 list_cpus(stdout, &fprintf, cpu_model);
3859 exit(0);
3860 }
3861
3862 /* Open the logfile at this point, if necessary. We can't open the logfile
3863 * when encountering either of the logging options (-d or -D) because the
3864 * other one may be encountered later on the command line, changing the
3865 * location or level of logging.
3866 */
3867 if (log_mask) {
3868 int mask;
3869 if (log_file) {
3870 qemu_set_log_filename(log_file);
3871 }
3872
3873 mask = qemu_str_to_log_mask(log_mask);
3874 if (!mask) {
3875 qemu_print_log_usage(stdout);
3876 exit(1);
3877 }
3878 qemu_set_log(mask);
3879 }
3880
3881 if (!trace_backend_init(trace_events, trace_file)) {
3882 exit(1);
3883 }
3884
3885 /* If no data_dir is specified then try to find it relative to the
3886 executable path. */
3887 if (!data_dir) {
3888 data_dir = os_find_datadir(argv[0]);
3889 }
3890 /* If all else fails use the install path specified when building. */
3891 if (!data_dir) {
3892 data_dir = CONFIG_QEMU_DATADIR;
3893 }
3894
3895 /*
3896 * Default to max_cpus = smp_cpus, in case the user doesn't
3897 * specify a max_cpus value.
3898 */
3899 if (!max_cpus)
3900 max_cpus = smp_cpus;
3901
3902 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3903 if (smp_cpus > machine->max_cpus) {
3904 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3905 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
3906 machine->max_cpus);
3907 exit(1);
3908 }
3909
3910 /*
3911 * Get the default machine options from the machine if it is not already
3912 * specified either by the configuration file or by the command line.
3913 */
3914 if (machine->default_machine_opts) {
3915 qemu_opts_set_defaults(qemu_find_opts("machine"),
3916 machine->default_machine_opts, 0);
3917 }
3918
3919 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3920 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3921
3922 if (machine->no_serial) {
3923 default_serial = 0;
3924 }
3925 if (machine->no_parallel) {
3926 default_parallel = 0;
3927 }
3928 if (!machine->use_virtcon) {
3929 default_virtcon = 0;
3930 }
3931 if (!machine->use_sclp) {
3932 default_sclp = 0;
3933 }
3934 if (machine->no_floppy) {
3935 default_floppy = 0;
3936 }
3937 if (machine->no_cdrom) {
3938 default_cdrom = 0;
3939 }
3940 if (machine->no_sdcard) {
3941 default_sdcard = 0;
3942 }
3943
3944 if (is_daemonized()) {
3945 /* According to documentation and historically, -nographic redirects
3946 * serial port, parallel port and monitor to stdio, which does not work
3947 * with -daemonize. We can redirect these to null instead, but since
3948 * -nographic is legacy, let's just error out.
3949 * We disallow -nographic only if all other ports are not redirected
3950 * explicitly, to not break existing legacy setups which uses
3951 * -nographic _and_ redirects all ports explicitly - this is valid
3952 * usage, -nographic is just a no-op in this case.
3953 */
3954 if (display_type == DT_NOGRAPHIC
3955 && (default_parallel || default_serial
3956 || default_monitor || default_virtcon)) {
3957 fprintf(stderr, "-nographic can not be used with -daemonize\n");
3958 exit(1);
3959 }
3960 #ifdef CONFIG_CURSES
3961 if (display_type == DT_CURSES) {
3962 fprintf(stderr, "curses display can not be used with -daemonize\n");
3963 exit(1);
3964 }
3965 #endif
3966 }
3967
3968 if (display_type == DT_NOGRAPHIC) {
3969 if (default_parallel)
3970 add_device_config(DEV_PARALLEL, "null");
3971 if (default_serial && default_monitor) {
3972 add_device_config(DEV_SERIAL, "mon:stdio");
3973 } else if (default_virtcon && default_monitor) {
3974 add_device_config(DEV_VIRTCON, "mon:stdio");
3975 } else if (default_sclp && default_monitor) {
3976 add_device_config(DEV_SCLP, "mon:stdio");
3977 } else {
3978 if (default_serial)
3979 add_device_config(DEV_SERIAL, "stdio");
3980 if (default_virtcon)
3981 add_device_config(DEV_VIRTCON, "stdio");
3982 if (default_sclp) {
3983 add_device_config(DEV_SCLP, "stdio");
3984 }
3985 if (default_monitor)
3986 monitor_parse("stdio", "readline");
3987 }
3988 } else {
3989 if (default_serial)
3990 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3991 if (default_parallel)
3992 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3993 if (default_monitor)
3994 monitor_parse("vc:80Cx24C", "readline");
3995 if (default_virtcon)
3996 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3997 if (default_sclp) {
3998 add_device_config(DEV_SCLP, "vc:80Cx24C");
3999 }
4000 }
4001
4002 socket_init();
4003
4004 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4005 exit(1);
4006 #ifdef CONFIG_VIRTFS
4007 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4008 exit(1);
4009 }
4010 #endif
4011
4012 os_daemonize();
4013
4014 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4015 os_pidfile_error();
4016 exit(1);
4017 }
4018
4019 /* init the memory */
4020 if (ram_size == 0) {
4021 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
4022 }
4023
4024 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4025 != 0) {
4026 exit(0);
4027 }
4028
4029 configure_accelerator();
4030
4031 machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
4032 if (machine_opts) {
4033 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4034 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4035 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4036 } else {
4037 kernel_filename = initrd_filename = kernel_cmdline = NULL;
4038 }
4039
4040 if (!kernel_cmdline) {
4041 kernel_cmdline = "";
4042 }
4043
4044 linux_boot = (kernel_filename != NULL);
4045
4046 if (!linux_boot && *kernel_cmdline != '\0') {
4047 fprintf(stderr, "-append only allowed with -kernel option\n");
4048 exit(1);
4049 }
4050
4051 if (!linux_boot && initrd_filename != NULL) {
4052 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4053 exit(1);
4054 }
4055
4056 if (!linux_boot && machine_opts && qemu_opt_get(machine_opts, "dtb")) {
4057 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4058 exit(1);
4059 }
4060
4061 os_set_line_buffering();
4062
4063 qemu_init_cpu_loop();
4064 qemu_mutex_lock_iothread();
4065
4066 #ifdef CONFIG_SPICE
4067 /* spice needs the timers to be initialized by this point */
4068 qemu_spice_init();
4069 #endif
4070
4071 if (icount_option && (kvm_enabled() || xen_enabled())) {
4072 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4073 exit(1);
4074 }
4075 configure_icount(icount_option);
4076
4077 /* clean up network at qemu process termination */
4078 atexit(&net_cleanup);
4079
4080 if (net_init_clients() < 0) {
4081 exit(1);
4082 }
4083
4084 /* init the bluetooth world */
4085 if (foreach_device_config(DEV_BT, bt_parse))
4086 exit(1);
4087
4088 if (!xen_enabled()) {
4089 /* On 32-bit hosts, QEMU is limited by virtual address space */
4090 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4091 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4092 exit(1);
4093 }
4094 }
4095
4096 cpu_exec_init_all();
4097
4098 bdrv_init_with_whitelist();
4099
4100 blk_mig_init();
4101
4102 /* open the virtual block devices */
4103 if (snapshot)
4104 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4105 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4106 &machine->block_default_type, 1) != 0) {
4107 exit(1);
4108 }
4109
4110 default_drive(default_cdrom, snapshot, machine->block_default_type, 2,
4111 CDROM_OPTS);
4112 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4113 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4114
4115 register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
4116
4117 if (nb_numa_nodes > 0) {
4118 int i;
4119
4120 if (nb_numa_nodes > MAX_NODES) {
4121 nb_numa_nodes = MAX_NODES;
4122 }
4123
4124 /* If no memory size if given for any node, assume the default case
4125 * and distribute the available memory equally across all nodes
4126 */
4127 for (i = 0; i < nb_numa_nodes; i++) {
4128 if (node_mem[i] != 0)
4129 break;
4130 }
4131 if (i == nb_numa_nodes) {
4132 uint64_t usedmem = 0;
4133
4134 /* On Linux, the each node's border has to be 8MB aligned,
4135 * the final node gets the rest.
4136 */
4137 for (i = 0; i < nb_numa_nodes - 1; i++) {
4138 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
4139 usedmem += node_mem[i];
4140 }
4141 node_mem[i] = ram_size - usedmem;
4142 }
4143
4144 for (i = 0; i < nb_numa_nodes; i++) {
4145 if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
4146 break;
4147 }
4148 }
4149 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4150 * must cope with this anyway, because there are BIOSes out there in
4151 * real machines which also use this scheme.
4152 */
4153 if (i == nb_numa_nodes) {
4154 for (i = 0; i < max_cpus; i++) {
4155 set_bit(i, node_cpumask[i % nb_numa_nodes]);
4156 }
4157 }
4158 }
4159
4160 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4161 exit(1);
4162 }
4163
4164 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4165 exit(1);
4166 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4167 exit(1);
4168 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4169 exit(1);
4170 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4171 exit(1);
4172 }
4173 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4174 exit(1);
4175
4176 /* If no default VGA is requested, the default is "none". */
4177 if (default_vga) {
4178 if (cirrus_vga_available()) {
4179 vga_model = "cirrus";
4180 } else if (vga_available()) {
4181 vga_model = "std";
4182 }
4183 }
4184 select_vgahw(vga_model);
4185
4186 if (watchdog) {
4187 i = select_watchdog(watchdog);
4188 if (i > 0)
4189 exit (i == 1 ? 1 : 0);
4190 }
4191
4192 if (machine->compat_props) {
4193 qdev_prop_register_global_list(machine->compat_props);
4194 }
4195 qemu_add_globals();
4196
4197 qdev_machine_init();
4198
4199 QEMUMachineInitArgs args = { .ram_size = ram_size,
4200 .boot_device = (boot_devices[0] == '\0') ?
4201 machine->boot_order :
4202 boot_devices,
4203 .kernel_filename = kernel_filename,
4204 .kernel_cmdline = kernel_cmdline,
4205 .initrd_filename = initrd_filename,
4206 .cpu_model = cpu_model };
4207 machine->init(&args);
4208
4209 cpu_synchronize_all_post_init();
4210
4211 set_numa_modes();
4212
4213 current_machine = machine;
4214
4215 /* init USB devices */
4216 if (usb_enabled(false)) {
4217 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4218 exit(1);
4219 }
4220
4221 /* init generic devices */
4222 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4223 exit(1);
4224
4225 net_check_clients();
4226
4227 /* just use the first displaystate for the moment */
4228 ds = get_displaystate();
4229
4230 if (using_spice)
4231 display_remote++;
4232 if (display_type == DT_DEFAULT && !display_remote) {
4233 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4234 display_type = DT_SDL;
4235 #elif defined(CONFIG_VNC)
4236 vnc_display = "localhost:0,to=99";
4237 show_vnc_port = 1;
4238 #else
4239 display_type = DT_NONE;
4240 #endif
4241 }
4242
4243
4244 /* init local displays */
4245 switch (display_type) {
4246 case DT_NOGRAPHIC:
4247 break;
4248 #if defined(CONFIG_CURSES)
4249 case DT_CURSES:
4250 curses_display_init(ds, full_screen);
4251 break;
4252 #endif
4253 #if defined(CONFIG_SDL)
4254 case DT_SDL:
4255 sdl_display_init(ds, full_screen, no_frame);
4256 break;
4257 #elif defined(CONFIG_COCOA)
4258 case DT_SDL:
4259 cocoa_display_init(ds, full_screen);
4260 break;
4261 #endif
4262 default:
4263 break;
4264 }
4265
4266 /* must be after terminal init, SDL library changes signal handlers */
4267 os_setup_signal_handling();
4268
4269 #ifdef CONFIG_VNC
4270 /* init remote displays */
4271 if (vnc_display) {
4272 Error *local_err = NULL;
4273 vnc_display_init(ds);
4274 vnc_display_open(ds, vnc_display, &local_err);
4275 if (local_err != NULL) {
4276 fprintf(stderr, "Failed to start VNC server on `%s': %s\n",
4277 vnc_display, error_get_pretty(local_err));
4278 error_free(local_err);
4279 exit(1);
4280 }
4281
4282 if (show_vnc_port) {
4283 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4284 }
4285 }
4286 #endif
4287 #ifdef CONFIG_SPICE
4288 if (using_spice && !qxl_enabled) {
4289 qemu_spice_display_init(ds);
4290 }
4291 #endif
4292
4293 /* display setup */
4294 text_consoles_set_display(ds);
4295
4296 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4297 exit(1);
4298 }
4299
4300 qdev_machine_creation_done();
4301
4302 if (rom_load_all() != 0) {
4303 fprintf(stderr, "rom loading failed\n");
4304 exit(1);
4305 }
4306
4307 /* TODO: once all bus devices are qdevified, this should be done
4308 * when bus is created by qdev.c */
4309 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4310 qemu_run_machine_init_done_notifiers();
4311
4312 qemu_system_reset(VMRESET_SILENT);
4313 if (loadvm) {
4314 if (load_vmstate(loadvm) < 0) {
4315 autostart = 0;
4316 }
4317 }
4318
4319 if (incoming) {
4320 Error *local_err = NULL;
4321 qemu_start_incoming_migration(incoming, &local_err);
4322 if (local_err) {
4323 fprintf(stderr, "-incoming %s: %s\n", incoming, error_get_pretty(local_err));
4324 error_free(local_err);
4325 exit(1);
4326 }
4327 } else if (autostart) {
4328 vm_start();
4329 }
4330
4331 os_setup_post();
4332
4333 resume_all_vcpus();
4334 main_loop();
4335 bdrv_close_all();
4336 pause_all_vcpus();
4337 res_free();
4338
4339 return 0;
4340 }
Various patches