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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 value = strtoull(cpus, &endptr, 10);
1253 if (*endptr == '-') {
1254 endvalue = strtoull(endptr+1, &endptr, 10);
1255 } else {
1256 endvalue = value;
1257 }
1258
1259 if (!(endvalue < MAX_CPUMASK_BITS)) {
1260 endvalue = MAX_CPUMASK_BITS - 1;
1261 fprintf(stderr,
1262 "A max of %d CPUs are supported in a guest\n",
1263 MAX_CPUMASK_BITS);
1264 }
1265
1266 bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
1267 }
1268
1269 static void numa_add(const char *optarg)
1270 {
1271 char option[128];
1272 char *endptr;
1273 unsigned long long nodenr;
1274
1275 optarg = get_opt_name(option, 128, optarg, ',');
1276 if (*optarg == ',') {
1277 optarg++;
1278 }
1279 if (!strcmp(option, "node")) {
1280
1281 if (nb_numa_nodes >= MAX_NODES) {
1282 fprintf(stderr, "qemu: too many NUMA nodes\n");
1283 exit(1);
1284 }
1285
1286 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1287 nodenr = nb_numa_nodes;
1288 } else {
1289 if (parse_uint_full(option, &nodenr, 10) < 0) {
1290 fprintf(stderr, "qemu: Invalid NUMA nodeid: %s\n", option);
1291 exit(1);
1292 }
1293 }
1294
1295 if (nodenr >= MAX_NODES) {
1296 fprintf(stderr, "qemu: invalid NUMA nodeid: %llu\n", nodenr);
1297 exit(1);
1298 }
1299
1300 if (get_param_value(option, 128, "mem", optarg) == 0) {
1301 node_mem[nodenr] = 0;
1302 } else {
1303 int64_t sval;
1304 sval = strtosz(option, &endptr);
1305 if (sval < 0 || *endptr) {
1306 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
1307 exit(1);
1308 }
1309 node_mem[nodenr] = sval;
1310 }
1311 if (get_param_value(option, 128, "cpus", optarg) != 0) {
1312 numa_node_parse_cpus(nodenr, option);
1313 }
1314 nb_numa_nodes++;
1315 } else {
1316 fprintf(stderr, "Invalid -numa option: %s\n", option);
1317 exit(1);
1318 }
1319 }
1320
1321 static void smp_parse(const char *optarg)
1322 {
1323 int smp, sockets = 0, threads = 0, cores = 0;
1324 char *endptr;
1325 char option[128];
1326
1327 smp = strtoul(optarg, &endptr, 10);
1328 if (endptr != optarg) {
1329 if (*endptr == ',') {
1330 endptr++;
1331 }
1332 }
1333 if (get_param_value(option, 128, "sockets", endptr) != 0)
1334 sockets = strtoull(option, NULL, 10);
1335 if (get_param_value(option, 128, "cores", endptr) != 0)
1336 cores = strtoull(option, NULL, 10);
1337 if (get_param_value(option, 128, "threads", endptr) != 0)
1338 threads = strtoull(option, NULL, 10);
1339 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1340 max_cpus = strtoull(option, NULL, 10);
1341
1342 /* compute missing values, prefer sockets over cores over threads */
1343 if (smp == 0 || sockets == 0) {
1344 sockets = sockets > 0 ? sockets : 1;
1345 cores = cores > 0 ? cores : 1;
1346 threads = threads > 0 ? threads : 1;
1347 if (smp == 0) {
1348 smp = cores * threads * sockets;
1349 }
1350 } else {
1351 if (cores == 0) {
1352 threads = threads > 0 ? threads : 1;
1353 cores = smp / (sockets * threads);
1354 } else {
1355 threads = smp / (cores * sockets);
1356 }
1357 }
1358 smp_cpus = smp;
1359 smp_cores = cores > 0 ? cores : 1;
1360 smp_threads = threads > 0 ? threads : 1;
1361 if (max_cpus == 0)
1362 max_cpus = smp_cpus;
1363 }
1364
1365 /***********************************************************/
1366 /* USB devices */
1367
1368 static int usb_device_add(const char *devname)
1369 {
1370 const char *p;
1371 USBDevice *dev = NULL;
1372
1373 if (!usb_enabled(false)) {
1374 return -1;
1375 }
1376
1377 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1378 dev = usbdevice_create(devname);
1379 if (dev)
1380 goto done;
1381
1382 /* the other ones */
1383 #ifndef CONFIG_LINUX
1384 /* only the linux version is qdev-ified, usb-bsd still needs this */
1385 if (strstart(devname, "host:", &p)) {
1386 dev = usb_host_device_open(usb_bus_find(-1), p);
1387 } else
1388 #endif
1389 if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1390 dev = usb_bt_init(usb_bus_find(-1),
1391 devname[2] ? hci_init(p)
1392 : bt_new_hci(qemu_find_bt_vlan(0)));
1393 } else {
1394 return -1;
1395 }
1396 if (!dev)
1397 return -1;
1398
1399 done:
1400 return 0;
1401 }
1402
1403 static int usb_device_del(const char *devname)
1404 {
1405 int bus_num, addr;
1406 const char *p;
1407
1408 if (strstart(devname, "host:", &p))
1409 return usb_host_device_close(p);
1410
1411 if (!usb_enabled(false)) {
1412 return -1;
1413 }
1414
1415 p = strchr(devname, '.');
1416 if (!p)
1417 return -1;
1418 bus_num = strtoul(devname, NULL, 0);
1419 addr = strtoul(p + 1, NULL, 0);
1420
1421 return usb_device_delete_addr(bus_num, addr);
1422 }
1423
1424 static int usb_parse(const char *cmdline)
1425 {
1426 int r;
1427 r = usb_device_add(cmdline);
1428 if (r < 0) {
1429 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1430 }
1431 return r;
1432 }
1433
1434 void do_usb_add(Monitor *mon, const QDict *qdict)
1435 {
1436 const char *devname = qdict_get_str(qdict, "devname");
1437 if (usb_device_add(devname) < 0) {
1438 error_report("could not add USB device '%s'", devname);
1439 }
1440 }
1441
1442 void do_usb_del(Monitor *mon, const QDict *qdict)
1443 {
1444 const char *devname = qdict_get_str(qdict, "devname");
1445 if (usb_device_del(devname) < 0) {
1446 error_report("could not delete USB device '%s'", devname);
1447 }
1448 }
1449
1450 /***********************************************************/
1451 /* PCMCIA/Cardbus */
1452
1453 static struct pcmcia_socket_entry_s {
1454 PCMCIASocket *socket;
1455 struct pcmcia_socket_entry_s *next;
1456 } *pcmcia_sockets = 0;
1457
1458 void pcmcia_socket_register(PCMCIASocket *socket)
1459 {
1460 struct pcmcia_socket_entry_s *entry;
1461
1462 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1463 entry->socket = socket;
1464 entry->next = pcmcia_sockets;
1465 pcmcia_sockets = entry;
1466 }
1467
1468 void pcmcia_socket_unregister(PCMCIASocket *socket)
1469 {
1470 struct pcmcia_socket_entry_s *entry, **ptr;
1471
1472 ptr = &pcmcia_sockets;
1473 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1474 if (entry->socket == socket) {
1475 *ptr = entry->next;
1476 g_free(entry);
1477 }
1478 }
1479
1480 void pcmcia_info(Monitor *mon, const QDict *qdict)
1481 {
1482 struct pcmcia_socket_entry_s *iter;
1483
1484 if (!pcmcia_sockets)
1485 monitor_printf(mon, "No PCMCIA sockets\n");
1486
1487 for (iter = pcmcia_sockets; iter; iter = iter->next)
1488 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1489 iter->socket->attached ? iter->socket->card_string :
1490 "Empty");
1491 }
1492
1493 /***********************************************************/
1494 /* machine registration */
1495
1496 static QEMUMachine *first_machine = NULL;
1497 QEMUMachine *current_machine = NULL;
1498
1499 int qemu_register_machine(QEMUMachine *m)
1500 {
1501 QEMUMachine **pm;
1502 pm = &first_machine;
1503 while (*pm != NULL)
1504 pm = &(*pm)->next;
1505 m->next = NULL;
1506 *pm = m;
1507 return 0;
1508 }
1509
1510 static QEMUMachine *find_machine(const char *name)
1511 {
1512 QEMUMachine *m;
1513
1514 for(m = first_machine; m != NULL; m = m->next) {
1515 if (!strcmp(m->name, name))
1516 return m;
1517 if (m->alias && !strcmp(m->alias, name))
1518 return m;
1519 }
1520 return NULL;
1521 }
1522
1523 QEMUMachine *find_default_machine(void)
1524 {
1525 QEMUMachine *m;
1526
1527 for(m = first_machine; m != NULL; m = m->next) {
1528 if (m->is_default) {
1529 return m;
1530 }
1531 }
1532 return NULL;
1533 }
1534
1535 MachineInfoList *qmp_query_machines(Error **errp)
1536 {
1537 MachineInfoList *mach_list = NULL;
1538 QEMUMachine *m;
1539
1540 for (m = first_machine; m; m = m->next) {
1541 MachineInfoList *entry;
1542 MachineInfo *info;
1543
1544 info = g_malloc0(sizeof(*info));
1545 if (m->is_default) {
1546 info->has_is_default = true;
1547 info->is_default = true;
1548 }
1549
1550 if (m->alias) {
1551 info->has_alias = true;
1552 info->alias = g_strdup(m->alias);
1553 }
1554
1555 info->name = g_strdup(m->name);
1556
1557 entry = g_malloc0(sizeof(*entry));
1558 entry->value = info;
1559 entry->next = mach_list;
1560 mach_list = entry;
1561 }
1562
1563 return mach_list;
1564 }
1565
1566 /***********************************************************/
1567 /* main execution loop */
1568
1569 static void gui_update(void *opaque)
1570 {
1571 uint64_t interval = GUI_REFRESH_INTERVAL;
1572 DisplayState *ds = opaque;
1573 DisplayChangeListener *dcl;
1574
1575 dpy_refresh(ds);
1576
1577 QLIST_FOREACH(dcl, &ds->listeners, next) {
1578 if (dcl->gui_timer_interval &&
1579 dcl->gui_timer_interval < interval)
1580 interval = dcl->gui_timer_interval;
1581 }
1582 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1583 }
1584
1585 void gui_setup_refresh(DisplayState *ds)
1586 {
1587 DisplayChangeListener *dcl;
1588 bool need_timer = false;
1589 bool have_gfx = false;
1590 bool have_text = false;
1591
1592 QLIST_FOREACH(dcl, &ds->listeners, next) {
1593 if (dcl->dpy_refresh != NULL) {
1594 need_timer = true;
1595 }
1596 if (dcl->dpy_gfx_update != NULL) {
1597 have_gfx = true;
1598 }
1599 if (dcl->dpy_text_update != NULL) {
1600 have_text = true;
1601 }
1602 }
1603
1604 if (need_timer && ds->gui_timer == NULL) {
1605 ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
1606 qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
1607 }
1608 if (!need_timer && ds->gui_timer != NULL) {
1609 qemu_del_timer(ds->gui_timer);
1610 qemu_free_timer(ds->gui_timer);
1611 ds->gui_timer = NULL;
1612 }
1613
1614 ds->have_gfx = have_gfx;
1615 ds->have_text = have_text;
1616 }
1617
1618 struct vm_change_state_entry {
1619 VMChangeStateHandler *cb;
1620 void *opaque;
1621 QLIST_ENTRY (vm_change_state_entry) entries;
1622 };
1623
1624 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1625
1626 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1627 void *opaque)
1628 {
1629 VMChangeStateEntry *e;
1630
1631 e = g_malloc0(sizeof (*e));
1632
1633 e->cb = cb;
1634 e->opaque = opaque;
1635 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1636 return e;
1637 }
1638
1639 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1640 {
1641 QLIST_REMOVE (e, entries);
1642 g_free (e);
1643 }
1644
1645 void vm_state_notify(int running, RunState state)
1646 {
1647 VMChangeStateEntry *e;
1648
1649 trace_vm_state_notify(running, state);
1650
1651 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1652 e->cb(e->opaque, running, state);
1653 }
1654 }
1655
1656 void vm_start(void)
1657 {
1658 if (!runstate_is_running()) {
1659 cpu_enable_ticks();
1660 runstate_set(RUN_STATE_RUNNING);
1661 vm_state_notify(1, RUN_STATE_RUNNING);
1662 resume_all_vcpus();
1663 monitor_protocol_event(QEVENT_RESUME, NULL);
1664 }
1665 }
1666
1667 /* reset/shutdown handler */
1668
1669 typedef struct QEMUResetEntry {
1670 QTAILQ_ENTRY(QEMUResetEntry) entry;
1671 QEMUResetHandler *func;
1672 void *opaque;
1673 } QEMUResetEntry;
1674
1675 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1676 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1677 static int reset_requested;
1678 static int shutdown_requested, shutdown_signal = -1;
1679 static pid_t shutdown_pid;
1680 static int powerdown_requested;
1681 static int debug_requested;
1682 static int suspend_requested;
1683 static int wakeup_requested;
1684 static NotifierList powerdown_notifiers =
1685 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1686 static NotifierList suspend_notifiers =
1687 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1688 static NotifierList wakeup_notifiers =
1689 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1690 static uint32_t wakeup_reason_mask = ~0;
1691 static RunState vmstop_requested = RUN_STATE_MAX;
1692
1693 int qemu_shutdown_requested_get(void)
1694 {
1695 return shutdown_requested;
1696 }
1697
1698 int qemu_reset_requested_get(void)
1699 {
1700 return reset_requested;
1701 }
1702
1703 static int qemu_shutdown_requested(void)
1704 {
1705 int r = shutdown_requested;
1706 shutdown_requested = 0;
1707 return r;
1708 }
1709
1710 static void qemu_kill_report(void)
1711 {
1712 if (!qtest_enabled() && shutdown_signal != -1) {
1713 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1714 if (shutdown_pid == 0) {
1715 /* This happens for eg ^C at the terminal, so it's worth
1716 * avoiding printing an odd message in that case.
1717 */
1718 fputc('\n', stderr);
1719 } else {
1720 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1721 }
1722 shutdown_signal = -1;
1723 }
1724 }
1725
1726 static int qemu_reset_requested(void)
1727 {
1728 int r = reset_requested;
1729 reset_requested = 0;
1730 return r;
1731 }
1732
1733 static int qemu_suspend_requested(void)
1734 {
1735 int r = suspend_requested;
1736 suspend_requested = 0;
1737 return r;
1738 }
1739
1740 static int qemu_wakeup_requested(void)
1741 {
1742 int r = wakeup_requested;
1743 wakeup_requested = 0;
1744 return r;
1745 }
1746
1747 static int qemu_powerdown_requested(void)
1748 {
1749 int r = powerdown_requested;
1750 powerdown_requested = 0;
1751 return r;
1752 }
1753
1754 static int qemu_debug_requested(void)
1755 {
1756 int r = debug_requested;
1757 debug_requested = 0;
1758 return r;
1759 }
1760
1761 /* We use RUN_STATE_MAX but any invalid value will do */
1762 static bool qemu_vmstop_requested(RunState *r)
1763 {
1764 if (vmstop_requested < RUN_STATE_MAX) {
1765 *r = vmstop_requested;
1766 vmstop_requested = RUN_STATE_MAX;
1767 return true;
1768 }
1769
1770 return false;
1771 }
1772
1773 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1774 {
1775 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1776
1777 re->func = func;
1778 re->opaque = opaque;
1779 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1780 }
1781
1782 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1783 {
1784 QEMUResetEntry *re;
1785
1786 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1787 if (re->func == func && re->opaque == opaque) {
1788 QTAILQ_REMOVE(&reset_handlers, re, entry);
1789 g_free(re);
1790 return;
1791 }
1792 }
1793 }
1794
1795 void qemu_devices_reset(void)
1796 {
1797 QEMUResetEntry *re, *nre;
1798
1799 /* reset all devices */
1800 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1801 re->func(re->opaque);
1802 }
1803 }
1804
1805 void qemu_system_reset(bool report)
1806 {
1807 if (current_machine && current_machine->reset) {
1808 current_machine->reset();
1809 } else {
1810 qemu_devices_reset();
1811 }
1812 if (report) {
1813 monitor_protocol_event(QEVENT_RESET, NULL);
1814 }
1815 cpu_synchronize_all_post_reset();
1816 }
1817
1818 void qemu_system_reset_request(void)
1819 {
1820 if (no_reboot) {
1821 shutdown_requested = 1;
1822 } else {
1823 reset_requested = 1;
1824 }
1825 cpu_stop_current();
1826 qemu_notify_event();
1827 }
1828
1829 static void qemu_system_suspend(void)
1830 {
1831 pause_all_vcpus();
1832 notifier_list_notify(&suspend_notifiers, NULL);
1833 runstate_set(RUN_STATE_SUSPENDED);
1834 monitor_protocol_event(QEVENT_SUSPEND, NULL);
1835 }
1836
1837 void qemu_system_suspend_request(void)
1838 {
1839 if (runstate_check(RUN_STATE_SUSPENDED)) {
1840 return;
1841 }
1842 suspend_requested = 1;
1843 cpu_stop_current();
1844 qemu_notify_event();
1845 }
1846
1847 void qemu_register_suspend_notifier(Notifier *notifier)
1848 {
1849 notifier_list_add(&suspend_notifiers, notifier);
1850 }
1851
1852 void qemu_system_wakeup_request(WakeupReason reason)
1853 {
1854 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1855 return;
1856 }
1857 if (!(wakeup_reason_mask & (1 << reason))) {
1858 return;
1859 }
1860 runstate_set(RUN_STATE_RUNNING);
1861 notifier_list_notify(&wakeup_notifiers, &reason);
1862 wakeup_requested = 1;
1863 qemu_notify_event();
1864 }
1865
1866 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1867 {
1868 if (enabled) {
1869 wakeup_reason_mask |= (1 << reason);
1870 } else {
1871 wakeup_reason_mask &= ~(1 << reason);
1872 }
1873 }
1874
1875 void qemu_register_wakeup_notifier(Notifier *notifier)
1876 {
1877 notifier_list_add(&wakeup_notifiers, notifier);
1878 }
1879
1880 void qemu_system_killed(int signal, pid_t pid)
1881 {
1882 shutdown_signal = signal;
1883 shutdown_pid = pid;
1884 no_shutdown = 0;
1885 qemu_system_shutdown_request();
1886 }
1887
1888 void qemu_system_shutdown_request(void)
1889 {
1890 shutdown_requested = 1;
1891 qemu_notify_event();
1892 }
1893
1894 static void qemu_system_powerdown(void)
1895 {
1896 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1897 notifier_list_notify(&powerdown_notifiers, NULL);
1898 }
1899
1900 void qemu_system_powerdown_request(void)
1901 {
1902 powerdown_requested = 1;
1903 qemu_notify_event();
1904 }
1905
1906 void qemu_register_powerdown_notifier(Notifier *notifier)
1907 {
1908 notifier_list_add(&powerdown_notifiers, notifier);
1909 }
1910
1911 void qemu_system_debug_request(void)
1912 {
1913 debug_requested = 1;
1914 qemu_notify_event();
1915 }
1916
1917 void qemu_system_vmstop_request(RunState state)
1918 {
1919 vmstop_requested = state;
1920 qemu_notify_event();
1921 }
1922
1923 static bool main_loop_should_exit(void)
1924 {
1925 RunState r;
1926 if (qemu_debug_requested()) {
1927 vm_stop(RUN_STATE_DEBUG);
1928 }
1929 if (qemu_suspend_requested()) {
1930 qemu_system_suspend();
1931 }
1932 if (qemu_shutdown_requested()) {
1933 qemu_kill_report();
1934 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1935 if (no_shutdown) {
1936 vm_stop(RUN_STATE_SHUTDOWN);
1937 } else {
1938 return true;
1939 }
1940 }
1941 if (qemu_reset_requested()) {
1942 pause_all_vcpus();
1943 cpu_synchronize_all_states();
1944 qemu_system_reset(VMRESET_REPORT);
1945 resume_all_vcpus();
1946 if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
1947 runstate_check(RUN_STATE_SHUTDOWN)) {
1948 runstate_set(RUN_STATE_PAUSED);
1949 }
1950 }
1951 if (qemu_wakeup_requested()) {
1952 pause_all_vcpus();
1953 cpu_synchronize_all_states();
1954 qemu_system_reset(VMRESET_SILENT);
1955 resume_all_vcpus();
1956 monitor_protocol_event(QEVENT_WAKEUP, NULL);
1957 }
1958 if (qemu_powerdown_requested()) {
1959 qemu_system_powerdown();
1960 }
1961 if (qemu_vmstop_requested(&r)) {
1962 vm_stop(r);
1963 }
1964 return false;
1965 }
1966
1967 static void main_loop(void)
1968 {
1969 bool nonblocking;
1970 int last_io = 0;
1971 #ifdef CONFIG_PROFILER
1972 int64_t ti;
1973 #endif
1974 do {
1975 nonblocking = !kvm_enabled() && last_io > 0;
1976 #ifdef CONFIG_PROFILER
1977 ti = profile_getclock();
1978 #endif
1979 last_io = main_loop_wait(nonblocking);
1980 #ifdef CONFIG_PROFILER
1981 dev_time += profile_getclock() - ti;
1982 #endif
1983 } while (!main_loop_should_exit());
1984 }
1985
1986 static void version(void)
1987 {
1988 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1989 }
1990
1991 static void help(int exitcode)
1992 {
1993 version();
1994 printf("usage: %s [options] [disk_image]\n\n"
1995 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1996 error_get_progname());
1997
1998 #define QEMU_OPTIONS_GENERATE_HELP
1999 #include "qemu-options-wrapper.h"
2000
2001 printf("\nDuring emulation, the following keys are useful:\n"
2002 "ctrl-alt-f toggle full screen\n"
2003 "ctrl-alt-n switch to virtual console 'n'\n"
2004 "ctrl-alt toggle mouse and keyboard grab\n"
2005 "\n"
2006 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2007
2008 exit(exitcode);
2009 }
2010
2011 #define HAS_ARG 0x0001
2012
2013 typedef struct QEMUOption {
2014 const char *name;
2015 int flags;
2016 int index;
2017 uint32_t arch_mask;
2018 } QEMUOption;
2019
2020 static const QEMUOption qemu_options[] = {
2021 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2022 #define QEMU_OPTIONS_GENERATE_OPTIONS
2023 #include "qemu-options-wrapper.h"
2024 { NULL },
2025 };
2026
2027 static bool vga_available(void)
2028 {
2029 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2030 }
2031
2032 static bool cirrus_vga_available(void)
2033 {
2034 return object_class_by_name("cirrus-vga")
2035 || object_class_by_name("isa-cirrus-vga");
2036 }
2037
2038 static bool vmware_vga_available(void)
2039 {
2040 return object_class_by_name("vmware-svga");
2041 }
2042
2043 static bool qxl_vga_available(void)
2044 {
2045 return object_class_by_name("qxl-vga");
2046 }
2047
2048 static void select_vgahw (const char *p)
2049 {
2050 const char *opts;
2051
2052 vga_interface_type = VGA_NONE;
2053 if (strstart(p, "std", &opts)) {
2054 if (vga_available()) {
2055 vga_interface_type = VGA_STD;
2056 } else {
2057 fprintf(stderr, "Error: standard VGA not available\n");
2058 exit(0);
2059 }
2060 } else if (strstart(p, "cirrus", &opts)) {
2061 if (cirrus_vga_available()) {
2062 vga_interface_type = VGA_CIRRUS;
2063 } else {
2064 fprintf(stderr, "Error: Cirrus VGA not available\n");
2065 exit(0);
2066 }
2067 } else if (strstart(p, "vmware", &opts)) {
2068 if (vmware_vga_available()) {
2069 vga_interface_type = VGA_VMWARE;
2070 } else {
2071 fprintf(stderr, "Error: VMWare SVGA not available\n");
2072 exit(0);
2073 }
2074 } else if (strstart(p, "xenfb", &opts)) {
2075 vga_interface_type = VGA_XENFB;
2076 } else if (strstart(p, "qxl", &opts)) {
2077 if (qxl_vga_available()) {
2078 vga_interface_type = VGA_QXL;
2079 } else {
2080 fprintf(stderr, "Error: QXL VGA not available\n");
2081 exit(0);
2082 }
2083 } else if (!strstart(p, "none", &opts)) {
2084 invalid_vga:
2085 fprintf(stderr, "Unknown vga type: %s\n", p);
2086 exit(1);
2087 }
2088 while (*opts) {
2089 const char *nextopt;
2090
2091 if (strstart(opts, ",retrace=", &nextopt)) {
2092 opts = nextopt;
2093 if (strstart(opts, "dumb", &nextopt))
2094 vga_retrace_method = VGA_RETRACE_DUMB;
2095 else if (strstart(opts, "precise", &nextopt))
2096 vga_retrace_method = VGA_RETRACE_PRECISE;
2097 else goto invalid_vga;
2098 } else goto invalid_vga;
2099 opts = nextopt;
2100 }
2101 }
2102
2103 static DisplayType select_display(const char *p)
2104 {
2105 const char *opts;
2106 DisplayType display = DT_DEFAULT;
2107
2108 if (strstart(p, "sdl", &opts)) {
2109 #ifdef CONFIG_SDL
2110 display = DT_SDL;
2111 while (*opts) {
2112 const char *nextopt;
2113
2114 if (strstart(opts, ",frame=", &nextopt)) {
2115 opts = nextopt;
2116 if (strstart(opts, "on", &nextopt)) {
2117 no_frame = 0;
2118 } else if (strstart(opts, "off", &nextopt)) {
2119 no_frame = 1;
2120 } else {
2121 goto invalid_sdl_args;
2122 }
2123 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2124 opts = nextopt;
2125 if (strstart(opts, "on", &nextopt)) {
2126 alt_grab = 1;
2127 } else if (strstart(opts, "off", &nextopt)) {
2128 alt_grab = 0;
2129 } else {
2130 goto invalid_sdl_args;
2131 }
2132 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2133 opts = nextopt;
2134 if (strstart(opts, "on", &nextopt)) {
2135 ctrl_grab = 1;
2136 } else if (strstart(opts, "off", &nextopt)) {
2137 ctrl_grab = 0;
2138 } else {
2139 goto invalid_sdl_args;
2140 }
2141 } else if (strstart(opts, ",window_close=", &nextopt)) {
2142 opts = nextopt;
2143 if (strstart(opts, "on", &nextopt)) {
2144 no_quit = 0;
2145 } else if (strstart(opts, "off", &nextopt)) {
2146 no_quit = 1;
2147 } else {
2148 goto invalid_sdl_args;
2149 }
2150 } else {
2151 invalid_sdl_args:
2152 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2153 exit(1);
2154 }
2155 opts = nextopt;
2156 }
2157 #else
2158 fprintf(stderr, "SDL support is disabled\n");
2159 exit(1);
2160 #endif
2161 } else if (strstart(p, "vnc", &opts)) {
2162 #ifdef CONFIG_VNC
2163 display_remote++;
2164
2165 if (*opts) {
2166 const char *nextopt;
2167
2168 if (strstart(opts, "=", &nextopt)) {
2169 vnc_display = nextopt;
2170 }
2171 }
2172 if (!vnc_display) {
2173 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2174 exit(1);
2175 }
2176 #else
2177 fprintf(stderr, "VNC support is disabled\n");
2178 exit(1);
2179 #endif
2180 } else if (strstart(p, "curses", &opts)) {
2181 #ifdef CONFIG_CURSES
2182 display = DT_CURSES;
2183 #else
2184 fprintf(stderr, "Curses support is disabled\n");
2185 exit(1);
2186 #endif
2187 } else if (strstart(p, "none", &opts)) {
2188 display = DT_NONE;
2189 } else {
2190 fprintf(stderr, "Unknown display type: %s\n", p);
2191 exit(1);
2192 }
2193
2194 return display;
2195 }
2196
2197 static int balloon_parse(const char *arg)
2198 {
2199 QemuOpts *opts;
2200
2201 if (strcmp(arg, "none") == 0) {
2202 return 0;
2203 }
2204
2205 if (!strncmp(arg, "virtio", 6)) {
2206 if (arg[6] == ',') {
2207 /* have params -> parse them */
2208 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2209 if (!opts)
2210 return -1;
2211 } else {
2212 /* create empty opts */
2213 opts = qemu_opts_create_nofail(qemu_find_opts("device"));
2214 }
2215 qemu_opt_set(opts, "driver", "virtio-balloon");
2216 return 0;
2217 }
2218
2219 return -1;
2220 }
2221
2222 char *qemu_find_file(int type, const char *name)
2223 {
2224 int len;
2225 const char *subdir;
2226 char *buf;
2227
2228 /* Try the name as a straight path first */
2229 if (access(name, R_OK) == 0) {
2230 return g_strdup(name);
2231 }
2232 switch (type) {
2233 case QEMU_FILE_TYPE_BIOS:
2234 subdir = "";
2235 break;
2236 case QEMU_FILE_TYPE_KEYMAP:
2237 subdir = "keymaps/";
2238 break;
2239 default:
2240 abort();
2241 }
2242 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
2243 buf = g_malloc0(len);
2244 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
2245 if (access(buf, R_OK)) {
2246 g_free(buf);
2247 return NULL;
2248 }
2249 return buf;
2250 }
2251
2252 static int device_help_func(QemuOpts *opts, void *opaque)
2253 {
2254 return qdev_device_help(opts);
2255 }
2256
2257 static int device_init_func(QemuOpts *opts, void *opaque)
2258 {
2259 DeviceState *dev;
2260
2261 dev = qdev_device_add(opts);
2262 if (!dev)
2263 return -1;
2264 object_unref(OBJECT(dev));
2265 return 0;
2266 }
2267
2268 static int chardev_init_func(QemuOpts *opts, void *opaque)
2269 {
2270 Error *local_err = NULL;
2271
2272 qemu_chr_new_from_opts(opts, NULL, &local_err);
2273 if (error_is_set(&local_err)) {
2274 fprintf(stderr, "%s\n", error_get_pretty(local_err));
2275 error_free(local_err);
2276 return -1;
2277 }
2278 return 0;
2279 }
2280
2281 #ifdef CONFIG_VIRTFS
2282 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2283 {
2284 int ret;
2285 ret = qemu_fsdev_add(opts);
2286
2287 return ret;
2288 }
2289 #endif
2290
2291 static int mon_init_func(QemuOpts *opts, void *opaque)
2292 {
2293 CharDriverState *chr;
2294 const char *chardev;
2295 const char *mode;
2296 int flags;
2297
2298 mode = qemu_opt_get(opts, "mode");
2299 if (mode == NULL) {
2300 mode = "readline";
2301 }
2302 if (strcmp(mode, "readline") == 0) {
2303 flags = MONITOR_USE_READLINE;
2304 } else if (strcmp(mode, "control") == 0) {
2305 flags = MONITOR_USE_CONTROL;
2306 } else {
2307 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2308 exit(1);
2309 }
2310
2311 if (qemu_opt_get_bool(opts, "pretty", 0))
2312 flags |= MONITOR_USE_PRETTY;
2313
2314 if (qemu_opt_get_bool(opts, "default", 0))
2315 flags |= MONITOR_IS_DEFAULT;
2316
2317 chardev = qemu_opt_get(opts, "chardev");
2318 chr = qemu_chr_find(chardev);
2319 if (chr == NULL) {
2320 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2321 exit(1);
2322 }
2323
2324 monitor_init(chr, flags);
2325 return 0;
2326 }
2327
2328 static void monitor_parse(const char *optarg, const char *mode)
2329 {
2330 static int monitor_device_index = 0;
2331 QemuOpts *opts;
2332 const char *p;
2333 char label[32];
2334 int def = 0;
2335
2336 if (strstart(optarg, "chardev:", &p)) {
2337 snprintf(label, sizeof(label), "%s", p);
2338 } else {
2339 snprintf(label, sizeof(label), "compat_monitor%d",
2340 monitor_device_index);
2341 if (monitor_device_index == 0) {
2342 def = 1;
2343 }
2344 opts = qemu_chr_parse_compat(label, optarg);
2345 if (!opts) {
2346 fprintf(stderr, "parse error: %s\n", optarg);
2347 exit(1);
2348 }
2349 }
2350
2351 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2352 if (!opts) {
2353 fprintf(stderr, "duplicate chardev: %s\n", label);
2354 exit(1);
2355 }
2356 qemu_opt_set(opts, "mode", mode);
2357 qemu_opt_set(opts, "chardev", label);
2358 if (def)
2359 qemu_opt_set(opts, "default", "on");
2360 monitor_device_index++;
2361 }
2362
2363 struct device_config {
2364 enum {
2365 DEV_USB, /* -usbdevice */
2366 DEV_BT, /* -bt */
2367 DEV_SERIAL, /* -serial */
2368 DEV_PARALLEL, /* -parallel */
2369 DEV_VIRTCON, /* -virtioconsole */
2370 DEV_DEBUGCON, /* -debugcon */
2371 DEV_GDB, /* -gdb, -s */
2372 DEV_SCLP, /* s390 sclp */
2373 } type;
2374 const char *cmdline;
2375 Location loc;
2376 QTAILQ_ENTRY(device_config) next;
2377 };
2378
2379 static QTAILQ_HEAD(, device_config) device_configs =
2380 QTAILQ_HEAD_INITIALIZER(device_configs);
2381
2382 static void add_device_config(int type, const char *cmdline)
2383 {
2384 struct device_config *conf;
2385
2386 conf = g_malloc0(sizeof(*conf));
2387 conf->type = type;
2388 conf->cmdline = cmdline;
2389 loc_save(&conf->loc);
2390 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2391 }
2392
2393 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2394 {
2395 struct device_config *conf;
2396 int rc;
2397
2398 QTAILQ_FOREACH(conf, &device_configs, next) {
2399 if (conf->type != type)
2400 continue;
2401 loc_push_restore(&conf->loc);
2402 rc = func(conf->cmdline);
2403 loc_pop(&conf->loc);
2404 if (0 != rc)
2405 return rc;
2406 }
2407 return 0;
2408 }
2409
2410 static int serial_parse(const char *devname)
2411 {
2412 static int index = 0;
2413 char label[32];
2414
2415 if (strcmp(devname, "none") == 0)
2416 return 0;
2417 if (index == MAX_SERIAL_PORTS) {
2418 fprintf(stderr, "qemu: too many serial ports\n");
2419 exit(1);
2420 }
2421 snprintf(label, sizeof(label), "serial%d", index);
2422 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2423 if (!serial_hds[index]) {
2424 fprintf(stderr, "qemu: could not connect serial device"
2425 " to character backend '%s'\n", devname);
2426 return -1;
2427 }
2428 index++;
2429 return 0;
2430 }
2431
2432 static int parallel_parse(const char *devname)
2433 {
2434 static int index = 0;
2435 char label[32];
2436
2437 if (strcmp(devname, "none") == 0)
2438 return 0;
2439 if (index == MAX_PARALLEL_PORTS) {
2440 fprintf(stderr, "qemu: too many parallel ports\n");
2441 exit(1);
2442 }
2443 snprintf(label, sizeof(label), "parallel%d", index);
2444 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2445 if (!parallel_hds[index]) {
2446 fprintf(stderr, "qemu: could not connect parallel device"
2447 " to character backend '%s'\n", devname);
2448 return -1;
2449 }
2450 index++;
2451 return 0;
2452 }
2453
2454 static int virtcon_parse(const char *devname)
2455 {
2456 QemuOptsList *device = qemu_find_opts("device");
2457 static int index = 0;
2458 char label[32];
2459 QemuOpts *bus_opts, *dev_opts;
2460
2461 if (strcmp(devname, "none") == 0)
2462 return 0;
2463 if (index == MAX_VIRTIO_CONSOLES) {
2464 fprintf(stderr, "qemu: too many virtio consoles\n");
2465 exit(1);
2466 }
2467
2468 bus_opts = qemu_opts_create_nofail(device);
2469 if (arch_type == QEMU_ARCH_S390X) {
2470 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2471 } else {
2472 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2473 }
2474
2475 dev_opts = qemu_opts_create_nofail(device);
2476 qemu_opt_set(dev_opts, "driver", "virtconsole");
2477
2478 snprintf(label, sizeof(label), "virtcon%d", index);
2479 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2480 if (!virtcon_hds[index]) {
2481 fprintf(stderr, "qemu: could not connect virtio console"
2482 " to character backend '%s'\n", devname);
2483 return -1;
2484 }
2485 qemu_opt_set(dev_opts, "chardev", label);
2486
2487 index++;
2488 return 0;
2489 }
2490
2491 static int sclp_parse(const char *devname)
2492 {
2493 QemuOptsList *device = qemu_find_opts("device");
2494 static int index = 0;
2495 char label[32];
2496 QemuOpts *dev_opts;
2497
2498 if (strcmp(devname, "none") == 0) {
2499 return 0;
2500 }
2501 if (index == MAX_SCLP_CONSOLES) {
2502 fprintf(stderr, "qemu: too many sclp consoles\n");
2503 exit(1);
2504 }
2505
2506 assert(arch_type == QEMU_ARCH_S390X);
2507
2508 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2509 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2510
2511 snprintf(label, sizeof(label), "sclpcon%d", index);
2512 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2513 if (!sclp_hds[index]) {
2514 fprintf(stderr, "qemu: could not connect sclp console"
2515 " to character backend '%s'\n", devname);
2516 return -1;
2517 }
2518 qemu_opt_set(dev_opts, "chardev", label);
2519
2520 index++;
2521 return 0;
2522 }
2523
2524 static int debugcon_parse(const char *devname)
2525 {
2526 QemuOpts *opts;
2527
2528 if (!qemu_chr_new("debugcon", devname, NULL)) {
2529 exit(1);
2530 }
2531 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2532 if (!opts) {
2533 fprintf(stderr, "qemu: already have a debugcon device\n");
2534 exit(1);
2535 }
2536 qemu_opt_set(opts, "driver", "isa-debugcon");
2537 qemu_opt_set(opts, "chardev", "debugcon");
2538 return 0;
2539 }
2540
2541 static QEMUMachine *machine_parse(const char *name)
2542 {
2543 QEMUMachine *m, *machine = NULL;
2544
2545 if (name) {
2546 machine = find_machine(name);
2547 }
2548 if (machine) {
2549 return machine;
2550 }
2551 printf("Supported machines are:\n");
2552 for (m = first_machine; m != NULL; m = m->next) {
2553 if (m->alias) {
2554 printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2555 }
2556 printf("%-20s %s%s\n", m->name, m->desc,
2557 m->is_default ? " (default)" : "");
2558 }
2559 exit(!name || !is_help_option(name));
2560 }
2561
2562 static int tcg_init(void)
2563 {
2564 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2565 return 0;
2566 }
2567
2568 static struct {
2569 const char *opt_name;
2570 const char *name;
2571 int (*available)(void);
2572 int (*init)(void);
2573 bool *allowed;
2574 } accel_list[] = {
2575 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2576 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2577 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2578 { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2579 };
2580
2581 static int configure_accelerator(void)
2582 {
2583 const char *p = NULL;
2584 char buf[10];
2585 int i, ret;
2586 bool accel_initialised = false;
2587 bool init_failed = false;
2588
2589 QemuOptsList *list = qemu_find_opts("machine");
2590 if (!QTAILQ_EMPTY(&list->head)) {
2591 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2592 }
2593
2594 if (p == NULL) {
2595 /* Use the default "accelerator", tcg */
2596 p = "tcg";
2597 }
2598
2599 while (!accel_initialised && *p != '\0') {
2600 if (*p == ':') {
2601 p++;
2602 }
2603 p = get_opt_name(buf, sizeof (buf), p, ':');
2604 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2605 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2606 if (!accel_list[i].available()) {
2607 printf("%s not supported for this target\n",
2608 accel_list[i].name);
2609 continue;
2610 }
2611 *(accel_list[i].allowed) = true;
2612 ret = accel_list[i].init();
2613 if (ret < 0) {
2614 init_failed = true;
2615 fprintf(stderr, "failed to initialize %s: %s\n",
2616 accel_list[i].name,
2617 strerror(-ret));
2618 *(accel_list[i].allowed) = false;
2619 } else {
2620 accel_initialised = true;
2621 }
2622 break;
2623 }
2624 }
2625 if (i == ARRAY_SIZE(accel_list)) {
2626 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2627 }
2628 }
2629
2630 if (!accel_initialised) {
2631 if (!init_failed) {
2632 fprintf(stderr, "No accelerator found!\n");
2633 }
2634 exit(1);
2635 }
2636
2637 if (init_failed) {
2638 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2639 }
2640
2641 return !accel_initialised;
2642 }
2643
2644 void qemu_add_exit_notifier(Notifier *notify)
2645 {
2646 notifier_list_add(&exit_notifiers, notify);
2647 }
2648
2649 void qemu_remove_exit_notifier(Notifier *notify)
2650 {
2651 notifier_remove(notify);
2652 }
2653
2654 static void qemu_run_exit_notifiers(void)
2655 {
2656 notifier_list_notify(&exit_notifiers, NULL);
2657 }
2658
2659 void qemu_add_machine_init_done_notifier(Notifier *notify)
2660 {
2661 notifier_list_add(&machine_init_done_notifiers, notify);
2662 }
2663
2664 static void qemu_run_machine_init_done_notifiers(void)
2665 {
2666 notifier_list_notify(&machine_init_done_notifiers, NULL);
2667 }
2668
2669 static const QEMUOption *lookup_opt(int argc, char **argv,
2670 const char **poptarg, int *poptind)
2671 {
2672 const QEMUOption *popt;
2673 int optind = *poptind;
2674 char *r = argv[optind];
2675 const char *optarg;
2676
2677 loc_set_cmdline(argv, optind, 1);
2678 optind++;
2679 /* Treat --foo the same as -foo. */
2680 if (r[1] == '-')
2681 r++;
2682 popt = qemu_options;
2683 for(;;) {
2684 if (!popt->name) {
2685 error_report("invalid option");
2686 exit(1);
2687 }
2688 if (!strcmp(popt->name, r + 1))
2689 break;
2690 popt++;
2691 }
2692 if (popt->flags & HAS_ARG) {
2693 if (optind >= argc) {
2694 error_report("requires an argument");
2695 exit(1);
2696 }
2697 optarg = argv[optind++];
2698 loc_set_cmdline(argv, optind - 2, 2);
2699 } else {
2700 optarg = NULL;
2701 }
2702
2703 *poptarg = optarg;
2704 *poptind = optind;
2705
2706 return popt;
2707 }
2708
2709 static gpointer malloc_and_trace(gsize n_bytes)
2710 {
2711 void *ptr = malloc(n_bytes);
2712 trace_g_malloc(n_bytes, ptr);
2713 return ptr;
2714 }
2715
2716 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2717 {
2718 void *ptr = realloc(mem, n_bytes);
2719 trace_g_realloc(mem, n_bytes, ptr);
2720 return ptr;
2721 }
2722
2723 static void free_and_trace(gpointer mem)
2724 {
2725 trace_g_free(mem);
2726 free(mem);
2727 }
2728
2729 static int object_set_property(const char *name, const char *value, void *opaque)
2730 {
2731 Object *obj = OBJECT(opaque);
2732 StringInputVisitor *siv;
2733 Error *local_err = NULL;
2734
2735 if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0) {
2736 return 0;
2737 }
2738
2739 siv = string_input_visitor_new(value);
2740 object_property_set(obj, string_input_get_visitor(siv), name, &local_err);
2741 string_input_visitor_cleanup(siv);
2742
2743 if (local_err) {
2744 qerror_report_err(local_err);
2745 error_free(local_err);
2746 return -1;
2747 }
2748
2749 return 0;
2750 }
2751
2752 static int object_create(QemuOpts *opts, void *opaque)
2753 {
2754 const char *type = qemu_opt_get(opts, "qom-type");
2755 const char *id = qemu_opts_id(opts);
2756 Object *obj;
2757
2758 g_assert(type != NULL);
2759
2760 if (id == NULL) {
2761 qerror_report(QERR_MISSING_PARAMETER, "id");
2762 return -1;
2763 }
2764
2765 obj = object_new(type);
2766 if (qemu_opt_foreach(opts, object_set_property, obj, 1) < 0) {
2767 return -1;
2768 }
2769
2770 object_property_add_child(container_get(object_get_root(), "/objects"),
2771 id, obj, NULL);
2772
2773 return 0;
2774 }
2775
2776 int main(int argc, char **argv, char **envp)
2777 {
2778 int i;
2779 int snapshot, linux_boot;
2780 const char *icount_option = NULL;
2781 const char *initrd_filename;
2782 const char *kernel_filename, *kernel_cmdline;
2783 char boot_devices[33] = "";
2784 DisplayState *ds;
2785 int cyls, heads, secs, translation;
2786 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2787 QemuOptsList *olist;
2788 int optind;
2789 const char *optarg;
2790 const char *loadvm = NULL;
2791 QEMUMachine *machine;
2792 const char *cpu_model;
2793 const char *vga_model = "none";
2794 const char *pid_file = NULL;
2795 const char *incoming = NULL;
2796 #ifdef CONFIG_VNC
2797 int show_vnc_port = 0;
2798 #endif
2799 bool defconfig = true;
2800 bool userconfig = true;
2801 const char *log_mask = NULL;
2802 const char *log_file = NULL;
2803 GMemVTable mem_trace = {
2804 .malloc = malloc_and_trace,
2805 .realloc = realloc_and_trace,
2806 .free = free_and_trace,
2807 };
2808 const char *trace_events = NULL;
2809 const char *trace_file = NULL;
2810
2811 atexit(qemu_run_exit_notifiers);
2812 error_set_progname(argv[0]);
2813
2814 g_mem_set_vtable(&mem_trace);
2815 if (!g_thread_supported()) {
2816 #if !GLIB_CHECK_VERSION(2, 31, 0)
2817 g_thread_init(NULL);
2818 #else
2819 fprintf(stderr, "glib threading failed to initialize.\n");
2820 exit(1);
2821 #endif
2822 }
2823
2824 module_call_init(MODULE_INIT_QOM);
2825
2826 qemu_add_opts(&qemu_drive_opts);
2827 qemu_add_opts(&qemu_chardev_opts);
2828 qemu_add_opts(&qemu_device_opts);
2829 qemu_add_opts(&qemu_netdev_opts);
2830 qemu_add_opts(&qemu_net_opts);
2831 qemu_add_opts(&qemu_rtc_opts);
2832 qemu_add_opts(&qemu_global_opts);
2833 qemu_add_opts(&qemu_mon_opts);
2834 qemu_add_opts(&qemu_trace_opts);
2835 qemu_add_opts(&qemu_option_rom_opts);
2836 qemu_add_opts(&qemu_machine_opts);
2837 qemu_add_opts(&qemu_boot_opts);
2838 qemu_add_opts(&qemu_sandbox_opts);
2839 qemu_add_opts(&qemu_add_fd_opts);
2840 qemu_add_opts(&qemu_object_opts);
2841
2842 runstate_init();
2843
2844 init_clocks();
2845 rtc_clock = host_clock;
2846
2847 qemu_cache_utils_init(envp);
2848
2849 QLIST_INIT (&vm_change_state_head);
2850 os_setup_early_signal_handling();
2851
2852 module_call_init(MODULE_INIT_MACHINE);
2853 machine = find_default_machine();
2854 cpu_model = NULL;
2855 ram_size = 0;
2856 snapshot = 0;
2857 cyls = heads = secs = 0;
2858 translation = BIOS_ATA_TRANSLATION_AUTO;
2859
2860 for (i = 0; i < MAX_NODES; i++) {
2861 node_mem[i] = 0;
2862 node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2863 }
2864
2865 nb_numa_nodes = 0;
2866 nb_nics = 0;
2867
2868 autostart= 1;
2869
2870 /* first pass of option parsing */
2871 optind = 1;
2872 while (optind < argc) {
2873 if (argv[optind][0] != '-') {
2874 /* disk image */
2875 optind++;
2876 continue;
2877 } else {
2878 const QEMUOption *popt;
2879
2880 popt = lookup_opt(argc, argv, &optarg, &optind);
2881 switch (popt->index) {
2882 case QEMU_OPTION_nodefconfig:
2883 defconfig = false;
2884 break;
2885 case QEMU_OPTION_nouserconfig:
2886 userconfig = false;
2887 break;
2888 }
2889 }
2890 }
2891
2892 if (defconfig) {
2893 int ret;
2894 ret = qemu_read_default_config_files(userconfig);
2895 if (ret < 0) {
2896 exit(1);
2897 }
2898 }
2899
2900 /* second pass of option parsing */
2901 optind = 1;
2902 for(;;) {
2903 if (optind >= argc)
2904 break;
2905 if (argv[optind][0] != '-') {
2906 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2907 } else {
2908 const QEMUOption *popt;
2909
2910 popt = lookup_opt(argc, argv, &optarg, &optind);
2911 if (!(popt->arch_mask & arch_type)) {
2912 printf("Option %s not supported for this target\n", popt->name);
2913 exit(1);
2914 }
2915 switch(popt->index) {
2916 case QEMU_OPTION_M:
2917 machine = machine_parse(optarg);
2918 break;
2919 case QEMU_OPTION_no_kvm_irqchip: {
2920 olist = qemu_find_opts("machine");
2921 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
2922 break;
2923 }
2924 case QEMU_OPTION_cpu:
2925 /* hw initialization will check this */
2926 cpu_model = optarg;
2927 break;
2928 case QEMU_OPTION_hda:
2929 {
2930 char buf[256];
2931 if (cyls == 0)
2932 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2933 else
2934 snprintf(buf, sizeof(buf),
2935 "%s,cyls=%d,heads=%d,secs=%d%s",
2936 HD_OPTS , cyls, heads, secs,
2937 translation == BIOS_ATA_TRANSLATION_LBA ?
2938 ",trans=lba" :
2939 translation == BIOS_ATA_TRANSLATION_NONE ?
2940 ",trans=none" : "");
2941 drive_add(IF_DEFAULT, 0, optarg, buf);
2942 break;
2943 }
2944 case QEMU_OPTION_hdb:
2945 case QEMU_OPTION_hdc:
2946 case QEMU_OPTION_hdd:
2947 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2948 HD_OPTS);
2949 break;
2950 case QEMU_OPTION_drive:
2951 if (drive_def(optarg) == NULL) {
2952 exit(1);
2953 }
2954 break;
2955 case QEMU_OPTION_set:
2956 if (qemu_set_option(optarg) != 0)
2957 exit(1);
2958 break;
2959 case QEMU_OPTION_global:
2960 if (qemu_global_option(optarg) != 0)
2961 exit(1);
2962 break;
2963 case QEMU_OPTION_mtdblock:
2964 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2965 break;
2966 case QEMU_OPTION_sd:
2967 drive_add(IF_SD, 0, optarg, SD_OPTS);
2968 break;
2969 case QEMU_OPTION_pflash:
2970 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2971 break;
2972 case QEMU_OPTION_snapshot:
2973 snapshot = 1;
2974 break;
2975 case QEMU_OPTION_hdachs:
2976 {
2977 const char *p;
2978 p = optarg;
2979 cyls = strtol(p, (char **)&p, 0);
2980 if (cyls < 1 || cyls > 16383)
2981 goto chs_fail;
2982 if (*p != ',')
2983 goto chs_fail;
2984 p++;
2985 heads = strtol(p, (char **)&p, 0);
2986 if (heads < 1 || heads > 16)
2987 goto chs_fail;
2988 if (*p != ',')
2989 goto chs_fail;
2990 p++;
2991 secs = strtol(p, (char **)&p, 0);
2992 if (secs < 1 || secs > 63)
2993 goto chs_fail;
2994 if (*p == ',') {
2995 p++;
2996 if (!strcmp(p, "none"))
2997 translation = BIOS_ATA_TRANSLATION_NONE;
2998 else if (!strcmp(p, "lba"))
2999 translation = BIOS_ATA_TRANSLATION_LBA;
3000 else if (!strcmp(p, "auto"))
3001 translation = BIOS_ATA_TRANSLATION_AUTO;
3002 else
3003 goto chs_fail;
3004 } else if (*p != '\0') {
3005 chs_fail:
3006 fprintf(stderr, "qemu: invalid physical CHS format\n");
3007 exit(1);
3008 }
3009 if (hda_opts != NULL) {
3010 char num[16];
3011 snprintf(num, sizeof(num), "%d", cyls);
3012 qemu_opt_set(hda_opts, "cyls", num);
3013 snprintf(num, sizeof(num), "%d", heads);
3014 qemu_opt_set(hda_opts, "heads", num);
3015 snprintf(num, sizeof(num), "%d", secs);
3016 qemu_opt_set(hda_opts, "secs", num);
3017 if (translation == BIOS_ATA_TRANSLATION_LBA)
3018 qemu_opt_set(hda_opts, "trans", "lba");
3019 if (translation == BIOS_ATA_TRANSLATION_NONE)
3020 qemu_opt_set(hda_opts, "trans", "none");
3021 }
3022 }
3023 break;
3024 case QEMU_OPTION_numa:
3025 numa_add(optarg);
3026 break;
3027 case QEMU_OPTION_display:
3028 display_type = select_display(optarg);
3029 break;
3030 case QEMU_OPTION_nographic:
3031 display_type = DT_NOGRAPHIC;
3032 break;
3033 case QEMU_OPTION_curses:
3034 #ifdef CONFIG_CURSES
3035 display_type = DT_CURSES;
3036 #else
3037 fprintf(stderr, "Curses support is disabled\n");
3038 exit(1);
3039 #endif
3040 break;
3041 case QEMU_OPTION_portrait:
3042 graphic_rotate = 90;
3043 break;
3044 case QEMU_OPTION_rotate:
3045 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3046 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3047 graphic_rotate != 180 && graphic_rotate != 270) {
3048 fprintf(stderr,
3049 "qemu: only 90, 180, 270 deg rotation is available\n");
3050 exit(1);
3051 }
3052 break;
3053 case QEMU_OPTION_kernel:
3054 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3055 break;
3056 case QEMU_OPTION_initrd:
3057 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3058 break;
3059 case QEMU_OPTION_append:
3060 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3061 break;
3062 case QEMU_OPTION_dtb:
3063 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3064 break;
3065 case QEMU_OPTION_cdrom:
3066 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3067 break;
3068 case QEMU_OPTION_boot:
3069 {
3070 static const char * const params[] = {
3071 "order", "once", "menu",
3072 "splash", "splash-time",
3073 "reboot-timeout", NULL
3074 };
3075 char buf[sizeof(boot_devices)];
3076 char *standard_boot_devices;
3077 int legacy = 0;
3078
3079 if (!strchr(optarg, '=')) {
3080 legacy = 1;
3081 pstrcpy(buf, sizeof(buf), optarg);
3082 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
3083 fprintf(stderr,
3084 "qemu: unknown boot parameter '%s' in '%s'\n",
3085 buf, optarg);
3086 exit(1);
3087 }
3088
3089 if (legacy ||
3090 get_param_value(buf, sizeof(buf), "order", optarg)) {
3091 validate_bootdevices(buf);
3092 pstrcpy(boot_devices, sizeof(boot_devices), buf);
3093 }
3094 if (!legacy) {
3095 if (get_param_value(buf, sizeof(buf),
3096 "once", optarg)) {
3097 validate_bootdevices(buf);
3098 standard_boot_devices = g_strdup(boot_devices);
3099 pstrcpy(boot_devices, sizeof(boot_devices), buf);
3100 qemu_register_reset(restore_boot_devices,
3101 standard_boot_devices);
3102 }
3103 if (get_param_value(buf, sizeof(buf),
3104 "menu", optarg)) {
3105 if (!strcmp(buf, "on")) {
3106 boot_menu = 1;
3107 } else if (!strcmp(buf, "off")) {
3108 boot_menu = 0;
3109 } else {
3110 fprintf(stderr,
3111 "qemu: invalid option value '%s'\n",
3112 buf);
3113 exit(1);
3114 }
3115 }
3116 qemu_opts_parse(qemu_find_opts("boot-opts"),
3117 optarg, 0);
3118 }
3119 }
3120 break;
3121 case QEMU_OPTION_fda:
3122 case QEMU_OPTION_fdb:
3123 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3124 optarg, FD_OPTS);
3125 break;
3126 case QEMU_OPTION_no_fd_bootchk:
3127 fd_bootchk = 0;
3128 break;
3129 case QEMU_OPTION_netdev:
3130 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3131 exit(1);
3132 }
3133 break;
3134 case QEMU_OPTION_net:
3135 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3136 exit(1);
3137 }
3138 break;
3139 #ifdef CONFIG_LIBISCSI
3140 case QEMU_OPTION_iscsi:
3141 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3142 if (!opts) {
3143 exit(1);
3144 }
3145 break;
3146 #endif
3147 #ifdef CONFIG_SLIRP
3148 case QEMU_OPTION_tftp:
3149 legacy_tftp_prefix = optarg;
3150 break;
3151 case QEMU_OPTION_bootp:
3152 legacy_bootp_filename = optarg;
3153 break;
3154 case QEMU_OPTION_redir:
3155 if (net_slirp_redir(optarg) < 0)
3156 exit(1);
3157 break;
3158 #endif
3159 case QEMU_OPTION_bt:
3160 add_device_config(DEV_BT, optarg);
3161 break;
3162 case QEMU_OPTION_audio_help:
3163 if (!(audio_available())) {
3164 printf("Option %s not supported for this target\n", popt->name);
3165 exit(1);
3166 }
3167 AUD_help ();
3168 exit (0);
3169 break;
3170 case QEMU_OPTION_soundhw:
3171 if (!(audio_available())) {
3172 printf("Option %s not supported for this target\n", popt->name);
3173 exit(1);
3174 }
3175 select_soundhw (optarg);
3176 break;
3177 case QEMU_OPTION_h:
3178 help(0);
3179 break;
3180 case QEMU_OPTION_version:
3181 version();
3182 exit(0);
3183 break;
3184 case QEMU_OPTION_m: {
3185 int64_t value;
3186 uint64_t sz;
3187 char *end;
3188
3189 value = strtosz(optarg, &end);
3190 if (value < 0 || *end) {
3191 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
3192 exit(1);
3193 }
3194 sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
3195 ram_size = sz;
3196 if (ram_size != sz) {
3197 fprintf(stderr, "qemu: ram size too large\n");
3198 exit(1);
3199 }
3200 break;
3201 }
3202 case QEMU_OPTION_mempath:
3203 mem_path = optarg;
3204 break;
3205 #ifdef MAP_POPULATE
3206 case QEMU_OPTION_mem_prealloc:
3207 mem_prealloc = 1;
3208 break;
3209 #endif
3210 case QEMU_OPTION_d:
3211 log_mask = optarg;
3212 break;
3213 case QEMU_OPTION_D:
3214 log_file = optarg;
3215 break;
3216 case QEMU_OPTION_s:
3217 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3218 break;
3219 case QEMU_OPTION_gdb:
3220 add_device_config(DEV_GDB, optarg);
3221 break;
3222 case QEMU_OPTION_L:
3223 data_dir = optarg;
3224 break;
3225 case QEMU_OPTION_bios:
3226 bios_name = optarg;
3227 break;
3228 case QEMU_OPTION_singlestep:
3229 singlestep = 1;
3230 break;
3231 case QEMU_OPTION_S:
3232 autostart = 0;
3233 break;
3234 case QEMU_OPTION_k:
3235 keyboard_layout = optarg;
3236 break;
3237 case QEMU_OPTION_localtime:
3238 rtc_utc = 0;
3239 break;
3240 case QEMU_OPTION_vga:
3241 vga_model = optarg;
3242 default_vga = 0;
3243 break;
3244 case QEMU_OPTION_g:
3245 {
3246 const char *p;
3247 int w, h, depth;
3248 p = optarg;
3249 w = strtol(p, (char **)&p, 10);
3250 if (w <= 0) {
3251 graphic_error:
3252 fprintf(stderr, "qemu: invalid resolution or depth\n");
3253 exit(1);
3254 }
3255 if (*p != 'x')
3256 goto graphic_error;
3257 p++;
3258 h = strtol(p, (char **)&p, 10);
3259 if (h <= 0)
3260 goto graphic_error;
3261 if (*p == 'x') {
3262 p++;
3263 depth = strtol(p, (char **)&p, 10);
3264 if (depth != 8 && depth != 15 && depth != 16 &&
3265 depth != 24 && depth != 32)
3266 goto graphic_error;
3267 } else if (*p == '\0') {
3268 depth = graphic_depth;
3269 } else {
3270 goto graphic_error;
3271 }
3272
3273 graphic_width = w;
3274 graphic_height = h;
3275 graphic_depth = depth;
3276 }
3277 break;
3278 case QEMU_OPTION_echr:
3279 {
3280 char *r;
3281 term_escape_char = strtol(optarg, &r, 0);
3282 if (r == optarg)
3283 printf("Bad argument to echr\n");
3284 break;
3285 }
3286 case QEMU_OPTION_monitor:
3287 monitor_parse(optarg, "readline");
3288 default_monitor = 0;
3289 break;
3290 case QEMU_OPTION_qmp:
3291 monitor_parse(optarg, "control");
3292 default_monitor = 0;
3293 break;
3294 case QEMU_OPTION_mon:
3295 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3296 if (!opts) {
3297 exit(1);
3298 }
3299 default_monitor = 0;
3300 break;
3301 case QEMU_OPTION_chardev:
3302 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3303 if (!opts) {
3304 exit(1);
3305 }
3306 break;
3307 case QEMU_OPTION_fsdev:
3308 olist = qemu_find_opts("fsdev");
3309 if (!olist) {
3310 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3311 exit(1);
3312 }
3313 opts = qemu_opts_parse(olist, optarg, 1);
3314 if (!opts) {
3315 fprintf(stderr, "parse error: %s\n", optarg);
3316 exit(1);
3317 }
3318 break;
3319 case QEMU_OPTION_virtfs: {
3320 QemuOpts *fsdev;
3321 QemuOpts *device;
3322 const char *writeout, *sock_fd, *socket;
3323
3324 olist = qemu_find_opts("virtfs");
3325 if (!olist) {
3326 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3327 exit(1);
3328 }
3329 opts = qemu_opts_parse(olist, optarg, 1);
3330 if (!opts) {
3331 fprintf(stderr, "parse error: %s\n", optarg);
3332 exit(1);
3333 }
3334
3335 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3336 qemu_opt_get(opts, "mount_tag") == NULL) {
3337 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3338 exit(1);
3339 }
3340 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3341 qemu_opt_get(opts, "mount_tag"),
3342 1, NULL);
3343 if (!fsdev) {
3344 fprintf(stderr, "duplicate fsdev id: %s\n",
3345 qemu_opt_get(opts, "mount_tag"));
3346 exit(1);
3347 }
3348
3349 writeout = qemu_opt_get(opts, "writeout");
3350 if (writeout) {
3351 #ifdef CONFIG_SYNC_FILE_RANGE
3352 qemu_opt_set(fsdev, "writeout", writeout);
3353 #else
3354 fprintf(stderr, "writeout=immediate not supported on "
3355 "this platform\n");
3356 exit(1);
3357 #endif
3358 }
3359 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3360 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3361 qemu_opt_set(fsdev, "security_model",
3362 qemu_opt_get(opts, "security_model"));
3363 socket = qemu_opt_get(opts, "socket");
3364 if (socket) {
3365 qemu_opt_set(fsdev, "socket", socket);
3366 }
3367 sock_fd = qemu_opt_get(opts, "sock_fd");
3368 if (sock_fd) {
3369 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3370 }
3371
3372 qemu_opt_set_bool(fsdev, "readonly",
3373 qemu_opt_get_bool(opts, "readonly", 0));
3374 device = qemu_opts_create_nofail(qemu_find_opts("device"));
3375 qemu_opt_set(device, "driver", "virtio-9p-pci");
3376 qemu_opt_set(device, "fsdev",
3377 qemu_opt_get(opts, "mount_tag"));
3378 qemu_opt_set(device, "mount_tag",
3379 qemu_opt_get(opts, "mount_tag"));
3380 break;
3381 }
3382 case QEMU_OPTION_virtfs_synth: {
3383 QemuOpts *fsdev;
3384 QemuOpts *device;
3385
3386 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3387 1, NULL);
3388 if (!fsdev) {
3389 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3390 exit(1);
3391 }
3392 qemu_opt_set(fsdev, "fsdriver", "synth");
3393
3394 device = qemu_opts_create_nofail(qemu_find_opts("device"));
3395 qemu_opt_set(device, "driver", "virtio-9p-pci");
3396 qemu_opt_set(device, "fsdev", "v_synth");
3397 qemu_opt_set(device, "mount_tag", "v_synth");
3398 break;
3399 }
3400 case QEMU_OPTION_serial:
3401 add_device_config(DEV_SERIAL, optarg);
3402 default_serial = 0;
3403 if (strncmp(optarg, "mon:", 4) == 0) {
3404 default_monitor = 0;
3405 }
3406 break;
3407 case QEMU_OPTION_watchdog:
3408 if (watchdog) {
3409 fprintf(stderr,
3410 "qemu: only one watchdog option may be given\n");
3411 return 1;
3412 }
3413 watchdog = optarg;
3414 break;
3415 case QEMU_OPTION_watchdog_action:
3416 if (select_watchdog_action(optarg) == -1) {
3417 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3418 exit(1);
3419 }
3420 break;
3421 case QEMU_OPTION_virtiocon:
3422 add_device_config(DEV_VIRTCON, optarg);
3423 default_virtcon = 0;
3424 if (strncmp(optarg, "mon:", 4) == 0) {
3425 default_monitor = 0;
3426 }
3427 break;
3428 case QEMU_OPTION_parallel:
3429 add_device_config(DEV_PARALLEL, optarg);
3430 default_parallel = 0;
3431 if (strncmp(optarg, "mon:", 4) == 0) {
3432 default_monitor = 0;
3433 }
3434 break;
3435 case QEMU_OPTION_debugcon:
3436 add_device_config(DEV_DEBUGCON, optarg);
3437 break;
3438 case QEMU_OPTION_loadvm:
3439 loadvm = optarg;
3440 break;
3441 case QEMU_OPTION_full_screen:
3442 full_screen = 1;
3443 break;
3444 #ifdef CONFIG_SDL
3445 case QEMU_OPTION_no_frame:
3446 no_frame = 1;
3447 break;
3448 case QEMU_OPTION_alt_grab:
3449 alt_grab = 1;
3450 break;
3451 case QEMU_OPTION_ctrl_grab:
3452 ctrl_grab = 1;
3453 break;
3454 case QEMU_OPTION_no_quit:
3455 no_quit = 1;
3456 break;
3457 case QEMU_OPTION_sdl:
3458 display_type = DT_SDL;
3459 break;
3460 #else
3461 case QEMU_OPTION_no_frame:
3462 case QEMU_OPTION_alt_grab:
3463 case QEMU_OPTION_ctrl_grab:
3464 case QEMU_OPTION_no_quit:
3465 case QEMU_OPTION_sdl:
3466 fprintf(stderr, "SDL support is disabled\n");
3467 exit(1);
3468 #endif
3469 case QEMU_OPTION_pidfile:
3470 pid_file = optarg;
3471 break;
3472 case QEMU_OPTION_win2k_hack:
3473 win2k_install_hack = 1;
3474 break;
3475 case QEMU_OPTION_rtc_td_hack: {
3476 static GlobalProperty slew_lost_ticks[] = {
3477 {
3478 .driver = "mc146818rtc",
3479 .property = "lost_tick_policy",
3480 .value = "slew",
3481 },
3482 { /* end of list */ }
3483 };
3484
3485 qdev_prop_register_global_list(slew_lost_ticks);
3486 break;
3487 }
3488 case QEMU_OPTION_acpitable:
3489 do_acpitable_option(optarg);
3490 break;
3491 case QEMU_OPTION_smbios:
3492 do_smbios_option(optarg);
3493 break;
3494 case QEMU_OPTION_enable_kvm:
3495 olist = qemu_find_opts("machine");
3496 qemu_opts_parse(olist, "accel=kvm", 0);
3497 break;
3498 case QEMU_OPTION_machine:
3499 olist = qemu_find_opts("machine");
3500 opts = qemu_opts_parse(olist, optarg, 1);
3501 if (!opts) {
3502 fprintf(stderr, "parse error: %s\n", optarg);
3503 exit(1);
3504 }
3505 optarg = qemu_opt_get(opts, "type");
3506 if (optarg) {
3507 machine = machine_parse(optarg);
3508 }
3509 break;
3510 case QEMU_OPTION_no_kvm:
3511 olist = qemu_find_opts("machine");
3512 qemu_opts_parse(olist, "accel=tcg", 0);
3513 break;
3514 case QEMU_OPTION_no_kvm_pit: {
3515 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3516 "separately.\n");
3517 break;
3518 }
3519 case QEMU_OPTION_no_kvm_pit_reinjection: {
3520 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3521 {
3522 .driver = "kvm-pit",
3523 .property = "lost_tick_policy",
3524 .value = "discard",
3525 },
3526 { /* end of list */ }
3527 };
3528
3529 fprintf(stderr, "Warning: option deprecated, use "
3530 "lost_tick_policy property of kvm-pit instead.\n");
3531 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3532 break;
3533 }
3534 case QEMU_OPTION_usb:
3535 olist = qemu_find_opts("machine");
3536 qemu_opts_parse(olist, "usb=on", 0);
3537 break;
3538 case QEMU_OPTION_usbdevice:
3539 olist = qemu_find_opts("machine");
3540 qemu_opts_parse(olist, "usb=on", 0);
3541 add_device_config(DEV_USB, optarg);
3542 break;
3543 case QEMU_OPTION_device:
3544 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3545 exit(1);
3546 }
3547 break;
3548 case QEMU_OPTION_smp:
3549 smp_parse(optarg);
3550 if (smp_cpus < 1) {
3551 fprintf(stderr, "Invalid number of CPUs\n");
3552 exit(1);
3553 }
3554 if (max_cpus < smp_cpus) {
3555 fprintf(stderr, "maxcpus must be equal to or greater than "
3556 "smp\n");
3557 exit(1);
3558 }
3559 if (max_cpus > 255) {
3560 fprintf(stderr, "Unsupported number of maxcpus\n");
3561 exit(1);
3562 }
3563 break;
3564 case QEMU_OPTION_vnc:
3565 #ifdef CONFIG_VNC
3566 display_remote++;
3567 vnc_display = optarg;
3568 #else
3569 fprintf(stderr, "VNC support is disabled\n");
3570 exit(1);
3571 #endif
3572 break;
3573 case QEMU_OPTION_no_acpi:
3574 acpi_enabled = 0;
3575 break;
3576 case QEMU_OPTION_no_hpet:
3577 no_hpet = 1;
3578 break;
3579 case QEMU_OPTION_balloon:
3580 if (balloon_parse(optarg) < 0) {
3581 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3582 exit(1);
3583 }
3584 break;
3585 case QEMU_OPTION_no_reboot:
3586 no_reboot = 1;
3587 break;
3588 case QEMU_OPTION_no_shutdown:
3589 no_shutdown = 1;
3590 break;
3591 case QEMU_OPTION_show_cursor:
3592 cursor_hide = 0;
3593 break;
3594 case QEMU_OPTION_uuid:
3595 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3596 fprintf(stderr, "Fail to parse UUID string."
3597 " Wrong format.\n");
3598 exit(1);
3599 }
3600 break;
3601 case QEMU_OPTION_option_rom:
3602 if (nb_option_roms >= MAX_OPTION_ROMS) {
3603 fprintf(stderr, "Too many option ROMs\n");
3604 exit(1);
3605 }
3606 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3607 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3608 option_rom[nb_option_roms].bootindex =
3609 qemu_opt_get_number(opts, "bootindex", -1);
3610 if (!option_rom[nb_option_roms].name) {
3611 fprintf(stderr, "Option ROM file is not specified\n");
3612 exit(1);
3613 }
3614 nb_option_roms++;
3615 break;
3616 case QEMU_OPTION_semihosting:
3617 semihosting_enabled = 1;
3618 break;
3619 case QEMU_OPTION_tdf:
3620 fprintf(stderr, "Warning: user space PIT time drift fix "
3621 "is no longer supported.\n");
3622 break;
3623 case QEMU_OPTION_name:
3624 qemu_name = g_strdup(optarg);
3625 {
3626 char *p = strchr(qemu_name, ',');
3627 if (p != NULL) {
3628 *p++ = 0;
3629 if (strncmp(p, "process=", 8)) {
3630 fprintf(stderr, "Unknown subargument %s to -name\n", p);
3631 exit(1);
3632 }
3633 p += 8;
3634 os_set_proc_name(p);
3635 }
3636 }
3637 break;
3638 case QEMU_OPTION_prom_env:
3639 if (nb_prom_envs >= MAX_PROM_ENVS) {
3640 fprintf(stderr, "Too many prom variables\n");
3641 exit(1);
3642 }
3643 prom_envs[nb_prom_envs] = optarg;
3644 nb_prom_envs++;
3645 break;
3646 case QEMU_OPTION_old_param:
3647 old_param = 1;
3648 break;
3649 case QEMU_OPTION_clock:
3650 configure_alarms(optarg);
3651 break;
3652 case QEMU_OPTION_startdate:
3653 configure_rtc_date_offset(optarg, 1);
3654 break;
3655 case QEMU_OPTION_rtc:
3656 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3657 if (!opts) {
3658 exit(1);
3659 }
3660 configure_rtc(opts);
3661 break;
3662 case QEMU_OPTION_tb_size:
3663 tcg_tb_size = strtol(optarg, NULL, 0);
3664 if (tcg_tb_size < 0) {
3665 tcg_tb_size = 0;
3666 }
3667 break;
3668 case QEMU_OPTION_icount:
3669 icount_option = optarg;
3670 break;
3671 case QEMU_OPTION_incoming:
3672 incoming = optarg;
3673 runstate_set(RUN_STATE_INMIGRATE);
3674 break;
3675 case QEMU_OPTION_nodefaults:
3676 default_serial = 0;
3677 default_parallel = 0;
3678 default_virtcon = 0;
3679 default_sclp = 0;
3680 default_monitor = 0;
3681 default_net = 0;
3682 default_floppy = 0;
3683 default_cdrom = 0;
3684 default_sdcard = 0;
3685 default_vga = 0;
3686 break;
3687 case QEMU_OPTION_xen_domid:
3688 if (!(xen_available())) {
3689 printf("Option %s not supported for this target\n", popt->name);
3690 exit(1);
3691 }
3692 xen_domid = atoi(optarg);
3693 break;
3694 case QEMU_OPTION_xen_create:
3695 if (!(xen_available())) {
3696 printf("Option %s not supported for this target\n", popt->name);
3697 exit(1);
3698 }
3699 xen_mode = XEN_CREATE;
3700 break;
3701 case QEMU_OPTION_xen_attach:
3702 if (!(xen_available())) {
3703 printf("Option %s not supported for this target\n", popt->name);
3704 exit(1);
3705 }
3706 xen_mode = XEN_ATTACH;
3707 break;
3708 case QEMU_OPTION_trace:
3709 {
3710 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3711 if (!opts) {
3712 exit(1);
3713 }
3714 trace_events = qemu_opt_get(opts, "events");
3715 trace_file = qemu_opt_get(opts, "file");
3716 break;
3717 }
3718 case QEMU_OPTION_readconfig:
3719 {
3720 int ret = qemu_read_config_file(optarg);
3721 if (ret < 0) {
3722 fprintf(stderr, "read config %s: %s\n", optarg,
3723 strerror(-ret));
3724 exit(1);
3725 }
3726 break;
3727 }
3728 case QEMU_OPTION_spice:
3729 olist = qemu_find_opts("spice");
3730 if (!olist) {
3731 fprintf(stderr, "spice is not supported by this qemu build.\n");
3732 exit(1);
3733 }
3734 opts = qemu_opts_parse(olist, optarg, 0);
3735 if (!opts) {
3736 fprintf(stderr, "parse error: %s\n", optarg);
3737 exit(1);
3738 }
3739 break;
3740 case QEMU_OPTION_writeconfig:
3741 {
3742 FILE *fp;
3743 if (strcmp(optarg, "-") == 0) {
3744 fp = stdout;
3745 } else {
3746 fp = fopen(optarg, "w");
3747 if (fp == NULL) {
3748 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3749 exit(1);
3750 }
3751 }
3752 qemu_config_write(fp);
3753 fclose(fp);
3754 break;
3755 }
3756 case QEMU_OPTION_qtest:
3757 qtest_chrdev = optarg;
3758 break;
3759 case QEMU_OPTION_qtest_log:
3760 qtest_log = optarg;
3761 break;
3762 case QEMU_OPTION_sandbox:
3763 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3764 if (!opts) {
3765 exit(0);
3766 }
3767 break;
3768 case QEMU_OPTION_add_fd:
3769 #ifndef _WIN32
3770 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3771 if (!opts) {
3772 exit(0);
3773 }
3774 #else
3775 error_report("File descriptor passing is disabled on this "
3776 "platform");
3777 exit(1);
3778 #endif
3779 break;
3780 case QEMU_OPTION_object:
3781 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3782 break;
3783 default:
3784 os_parse_cmd_args(popt->index, optarg);
3785 }
3786 }
3787 }
3788 loc_set_none();
3789
3790 if (qemu_init_main_loop()) {
3791 fprintf(stderr, "qemu_init_main_loop failed\n");
3792 exit(1);
3793 }
3794
3795 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3796 exit(1);
3797 }
3798
3799 #ifndef _WIN32
3800 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3801 exit(1);
3802 }
3803
3804 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3805 exit(1);
3806 }
3807 #endif
3808
3809 if (machine == NULL) {
3810 fprintf(stderr, "No machine found.\n");
3811 exit(1);
3812 }
3813
3814 if (machine->hw_version) {
3815 qemu_set_version(machine->hw_version);
3816 }
3817
3818 if (qemu_opts_foreach(qemu_find_opts("object"),
3819 object_create, NULL, 0) != 0) {
3820 exit(1);
3821 }
3822
3823 /* Init CPU def lists, based on config
3824 * - Must be called after all the qemu_read_config_file() calls
3825 * - Must be called before list_cpus()
3826 * - Must be called before machine->init()
3827 */
3828 cpudef_init();
3829
3830 if (cpu_model && is_help_option(cpu_model)) {
3831 list_cpus(stdout, &fprintf, cpu_model);
3832 exit(0);
3833 }
3834
3835 /* Open the logfile at this point, if necessary. We can't open the logfile
3836 * when encountering either of the logging options (-d or -D) because the
3837 * other one may be encountered later on the command line, changing the
3838 * location or level of logging.
3839 */
3840 if (log_mask) {
3841 if (log_file) {
3842 set_cpu_log_filename(log_file);
3843 }
3844 set_cpu_log(log_mask);
3845 }
3846
3847 if (!trace_backend_init(trace_events, trace_file)) {
3848 exit(1);
3849 }
3850
3851 /* If no data_dir is specified then try to find it relative to the
3852 executable path. */
3853 if (!data_dir) {
3854 data_dir = os_find_datadir(argv[0]);
3855 }
3856 /* If all else fails use the install path specified when building. */
3857 if (!data_dir) {
3858 data_dir = CONFIG_QEMU_DATADIR;
3859 }
3860
3861 /*
3862 * Default to max_cpus = smp_cpus, in case the user doesn't
3863 * specify a max_cpus value.
3864 */
3865 if (!max_cpus)
3866 max_cpus = smp_cpus;
3867
3868 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3869 if (smp_cpus > machine->max_cpus) {
3870 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3871 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
3872 machine->max_cpus);
3873 exit(1);
3874 }
3875
3876 /*
3877 * Get the default machine options from the machine if it is not already
3878 * specified either by the configuration file or by the command line.
3879 */
3880 if (machine->default_machine_opts) {
3881 qemu_opts_set_defaults(qemu_find_opts("machine"),
3882 machine->default_machine_opts, 0);
3883 }
3884
3885 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3886 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3887
3888 if (machine->no_serial) {
3889 default_serial = 0;
3890 }
3891 if (machine->no_parallel) {
3892 default_parallel = 0;
3893 }
3894 if (!machine->use_virtcon) {
3895 default_virtcon = 0;
3896 }
3897 if (!machine->use_sclp) {
3898 default_sclp = 0;
3899 }
3900 if (machine->no_floppy) {
3901 default_floppy = 0;
3902 }
3903 if (machine->no_cdrom) {
3904 default_cdrom = 0;
3905 }
3906 if (machine->no_sdcard) {
3907 default_sdcard = 0;
3908 }
3909
3910 if (is_daemonized()) {
3911 /* According to documentation and historically, -nographic redirects
3912 * serial port, parallel port and monitor to stdio, which does not work
3913 * with -daemonize. We can redirect these to null instead, but since
3914 * -nographic is legacy, let's just error out.
3915 * We disallow -nographic only if all other ports are not redirected
3916 * explicitly, to not break existing legacy setups which uses
3917 * -nographic _and_ redirects all ports explicitly - this is valid
3918 * usage, -nographic is just a no-op in this case.
3919 */
3920 if (display_type == DT_NOGRAPHIC
3921 && (default_parallel || default_serial
3922 || default_monitor || default_virtcon)) {
3923 fprintf(stderr, "-nographic can not be used with -daemonize\n");
3924 exit(1);
3925 }
3926 #ifdef CONFIG_CURSES
3927 if (display_type == DT_CURSES) {
3928 fprintf(stderr, "curses display can not be used with -daemonize\n");
3929 exit(1);
3930 }
3931 #endif
3932 }
3933
3934 if (display_type == DT_NOGRAPHIC) {
3935 if (default_parallel)
3936 add_device_config(DEV_PARALLEL, "null");
3937 if (default_serial && default_monitor) {
3938 add_device_config(DEV_SERIAL, "mon:stdio");
3939 } else if (default_virtcon && default_monitor) {
3940 add_device_config(DEV_VIRTCON, "mon:stdio");
3941 } else if (default_sclp && default_monitor) {
3942 add_device_config(DEV_SCLP, "mon:stdio");
3943 } else {
3944 if (default_serial)
3945 add_device_config(DEV_SERIAL, "stdio");
3946 if (default_virtcon)
3947 add_device_config(DEV_VIRTCON, "stdio");
3948 if (default_sclp) {
3949 add_device_config(DEV_SCLP, "stdio");
3950 }
3951 if (default_monitor)
3952 monitor_parse("stdio", "readline");
3953 }
3954 } else {
3955 if (default_serial)
3956 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3957 if (default_parallel)
3958 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3959 if (default_monitor)
3960 monitor_parse("vc:80Cx24C", "readline");
3961 if (default_virtcon)
3962 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3963 if (default_sclp) {
3964 add_device_config(DEV_SCLP, "vc:80Cx24C");
3965 }
3966 }
3967
3968 socket_init();
3969
3970 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3971 exit(1);
3972 #ifdef CONFIG_VIRTFS
3973 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3974 exit(1);
3975 }
3976 #endif
3977
3978 os_daemonize();
3979
3980 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3981 os_pidfile_error();
3982 exit(1);
3983 }
3984
3985 /* init the memory */
3986 if (ram_size == 0) {
3987 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3988 }
3989
3990 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
3991 != 0) {
3992 exit(0);
3993 }
3994
3995 configure_accelerator();
3996
3997 machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3998 if (machine_opts) {
3999 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4000 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4001 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4002 } else {
4003 kernel_filename = initrd_filename = kernel_cmdline = NULL;
4004 }
4005
4006 if (!kernel_cmdline) {
4007 kernel_cmdline = "";
4008 }
4009
4010 linux_boot = (kernel_filename != NULL);
4011
4012 if (!linux_boot && *kernel_cmdline != '\0') {
4013 fprintf(stderr, "-append only allowed with -kernel option\n");
4014 exit(1);
4015 }
4016
4017 if (!linux_boot && initrd_filename != NULL) {
4018 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4019 exit(1);
4020 }
4021
4022 if (!linux_boot && machine_opts && qemu_opt_get(machine_opts, "dtb")) {
4023 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4024 exit(1);
4025 }
4026
4027 os_set_line_buffering();
4028
4029 qemu_init_cpu_loop();
4030 qemu_mutex_lock_iothread();
4031
4032 #ifdef CONFIG_SPICE
4033 /* spice needs the timers to be initialized by this point */
4034 qemu_spice_init();
4035 #endif
4036
4037 if (icount_option && (kvm_enabled() || xen_enabled())) {
4038 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4039 exit(1);
4040 }
4041 configure_icount(icount_option);
4042
4043 /* clean up network at qemu process termination */
4044 atexit(&net_cleanup);
4045
4046 if (net_init_clients() < 0) {
4047 exit(1);
4048 }
4049
4050 /* init the bluetooth world */
4051 if (foreach_device_config(DEV_BT, bt_parse))
4052 exit(1);
4053
4054 if (!xen_enabled()) {
4055 /* On 32-bit hosts, QEMU is limited by virtual address space */
4056 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4057 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4058 exit(1);
4059 }
4060 }
4061
4062 cpu_exec_init_all();
4063
4064 bdrv_init_with_whitelist();
4065
4066 blk_mig_init();
4067
4068 /* open the virtual block devices */
4069 if (snapshot)
4070 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4071 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4072 &machine->block_default_type, 1) != 0) {
4073 exit(1);
4074 }
4075
4076 default_drive(default_cdrom, snapshot, machine->block_default_type, 2,
4077 CDROM_OPTS);
4078 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4079 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4080
4081 register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
4082
4083 if (nb_numa_nodes > 0) {
4084 int i;
4085
4086 if (nb_numa_nodes > MAX_NODES) {
4087 nb_numa_nodes = MAX_NODES;
4088 }
4089
4090 /* If no memory size if given for any node, assume the default case
4091 * and distribute the available memory equally across all nodes
4092 */
4093 for (i = 0; i < nb_numa_nodes; i++) {
4094 if (node_mem[i] != 0)
4095 break;
4096 }
4097 if (i == nb_numa_nodes) {
4098 uint64_t usedmem = 0;
4099
4100 /* On Linux, the each node's border has to be 8MB aligned,
4101 * the final node gets the rest.
4102 */
4103 for (i = 0; i < nb_numa_nodes - 1; i++) {
4104 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
4105 usedmem += node_mem[i];
4106 }
4107 node_mem[i] = ram_size - usedmem;
4108 }
4109
4110 for (i = 0; i < nb_numa_nodes; i++) {
4111 if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
4112 break;
4113 }
4114 }
4115 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4116 * must cope with this anyway, because there are BIOSes out there in
4117 * real machines which also use this scheme.
4118 */
4119 if (i == nb_numa_nodes) {
4120 for (i = 0; i < max_cpus; i++) {
4121 set_bit(i, node_cpumask[i % nb_numa_nodes]);
4122 }
4123 }
4124 }
4125
4126 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4127 exit(1);
4128 }
4129
4130 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4131 exit(1);
4132 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4133 exit(1);
4134 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4135 exit(1);
4136 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4137 exit(1);
4138 }
4139 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4140 exit(1);
4141
4142 /* If no default VGA is requested, the default is "none". */
4143 if (default_vga) {
4144 if (cirrus_vga_available()) {
4145 vga_model = "cirrus";
4146 } else if (vga_available()) {
4147 vga_model = "std";
4148 }
4149 }
4150 select_vgahw(vga_model);
4151
4152 if (watchdog) {
4153 i = select_watchdog(watchdog);
4154 if (i > 0)
4155 exit (i == 1 ? 1 : 0);
4156 }
4157
4158 if (machine->compat_props) {
4159 qdev_prop_register_global_list(machine->compat_props);
4160 }
4161 qemu_add_globals();
4162
4163 qdev_machine_init();
4164
4165 QEMUMachineInitArgs args = { .ram_size = ram_size,
4166 .boot_device = (boot_devices[0] == '\0') ?
4167 machine->boot_order :
4168 boot_devices,
4169 .kernel_filename = kernel_filename,
4170 .kernel_cmdline = kernel_cmdline,
4171 .initrd_filename = initrd_filename,
4172 .cpu_model = cpu_model };
4173 machine->init(&args);
4174
4175 cpu_synchronize_all_post_init();
4176
4177 set_numa_modes();
4178
4179 current_machine = machine;
4180
4181 /* init USB devices */
4182 if (usb_enabled(false)) {
4183 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4184 exit(1);
4185 }
4186
4187 /* init generic devices */
4188 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4189 exit(1);
4190
4191 net_check_clients();
4192
4193 /* just use the first displaystate for the moment */
4194 ds = get_displaystate();
4195
4196 if (using_spice)
4197 display_remote++;
4198 if (display_type == DT_DEFAULT && !display_remote) {
4199 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4200 display_type = DT_SDL;
4201 #elif defined(CONFIG_VNC)
4202 vnc_display = "localhost:0,to=99";
4203 show_vnc_port = 1;
4204 #else
4205 display_type = DT_NONE;
4206 #endif
4207 }
4208
4209
4210 /* init local displays */
4211 switch (display_type) {
4212 case DT_NOGRAPHIC:
4213 break;
4214 #if defined(CONFIG_CURSES)
4215 case DT_CURSES:
4216 curses_display_init(ds, full_screen);
4217 break;
4218 #endif
4219 #if defined(CONFIG_SDL)
4220 case DT_SDL:
4221 sdl_display_init(ds, full_screen, no_frame);
4222 break;
4223 #elif defined(CONFIG_COCOA)
4224 case DT_SDL:
4225 cocoa_display_init(ds, full_screen);
4226 break;
4227 #endif
4228 default:
4229 break;
4230 }
4231
4232 /* must be after terminal init, SDL library changes signal handlers */
4233 os_setup_signal_handling();
4234
4235 #ifdef CONFIG_VNC
4236 /* init remote displays */
4237 if (vnc_display) {
4238 Error *local_err = NULL;
4239 vnc_display_init(ds);
4240 vnc_display_open(ds, vnc_display, &local_err);
4241 if (local_err != NULL) {
4242 fprintf(stderr, "Failed to start VNC server on `%s': %s\n",
4243 vnc_display, error_get_pretty(local_err));
4244 error_free(local_err);
4245 exit(1);
4246 }
4247
4248 if (show_vnc_port) {
4249 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4250 }
4251 }
4252 #endif
4253 #ifdef CONFIG_SPICE
4254 if (using_spice && !qxl_enabled) {
4255 qemu_spice_display_init(ds);
4256 }
4257 #endif
4258
4259 /* display setup */
4260 text_consoles_set_display(ds);
4261
4262 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4263 exit(1);
4264 }
4265
4266 qdev_machine_creation_done();
4267
4268 if (rom_load_all() != 0) {
4269 fprintf(stderr, "rom loading failed\n");
4270 exit(1);
4271 }
4272
4273 /* TODO: once all bus devices are qdevified, this should be done
4274 * when bus is created by qdev.c */
4275 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4276 qemu_run_machine_init_done_notifiers();
4277
4278 qemu_system_reset(VMRESET_SILENT);
4279 if (loadvm) {
4280 if (load_vmstate(loadvm) < 0) {
4281 autostart = 0;
4282 }
4283 }
4284
4285 if (incoming) {
4286 Error *local_err = NULL;
4287 qemu_start_incoming_migration(incoming, &local_err);
4288 if (local_err) {
4289 fprintf(stderr, "-incoming %s: %s\n", incoming, error_get_pretty(local_err));
4290 error_free(local_err);
4291 exit(1);
4292 }
4293 } else if (autostart) {
4294 vm_start();
4295 }
4296
4297 os_setup_post();
4298
4299 resume_all_vcpus();
4300 main_loop();
4301 bdrv_close_all();
4302 pause_all_vcpus();
4303 res_free();
4304
4305 return 0;
4306 }
Qemu copy for testing