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vl.c: Check for NUMA node limit inside numa_add()
[qemu.git] / vl.c
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_add(const char *optarg)
1248 {
1249 char option[128];
1250 char *endptr;
1251 unsigned long long value, endvalue;
1252 int nodenr;
1253
1254 value = endvalue = 0ULL;
1255
1256 optarg = get_opt_name(option, 128, optarg, ',');
1257 if (*optarg == ',') {
1258 optarg++;
1259 }
1260 if (!strcmp(option, "node")) {
1261
1262 if (nb_numa_nodes >= MAX_NODES) {
1263 fprintf(stderr, "qemu: too many NUMA nodes\n");
1264 exit(1);
1265 }
1266
1267 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1268 nodenr = nb_numa_nodes;
1269 } else {
1270 nodenr = strtoull(option, NULL, 10);
1271 }
1272
1273 if (get_param_value(option, 128, "mem", optarg) == 0) {
1274 node_mem[nodenr] = 0;
1275 } else {
1276 int64_t sval;
1277 sval = strtosz(option, &endptr);
1278 if (sval < 0 || *endptr) {
1279 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
1280 exit(1);
1281 }
1282 node_mem[nodenr] = sval;
1283 }
1284 if (get_param_value(option, 128, "cpus", optarg) != 0) {
1285 value = strtoull(option, &endptr, 10);
1286 if (*endptr == '-') {
1287 endvalue = strtoull(endptr+1, &endptr, 10);
1288 } else {
1289 endvalue = value;
1290 }
1291
1292 if (!(endvalue < MAX_CPUMASK_BITS)) {
1293 endvalue = MAX_CPUMASK_BITS - 1;
1294 fprintf(stderr,
1295 "A max of %d CPUs are supported in a guest\n",
1296 MAX_CPUMASK_BITS);
1297 }
1298
1299 bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
1300 }
1301 nb_numa_nodes++;
1302 } else {
1303 fprintf(stderr, "Invalid -numa option: %s\n", option);
1304 exit(1);
1305 }
1306 }
1307
1308 static void smp_parse(const char *optarg)
1309 {
1310 int smp, sockets = 0, threads = 0, cores = 0;
1311 char *endptr;
1312 char option[128];
1313
1314 smp = strtoul(optarg, &endptr, 10);
1315 if (endptr != optarg) {
1316 if (*endptr == ',') {
1317 endptr++;
1318 }
1319 }
1320 if (get_param_value(option, 128, "sockets", endptr) != 0)
1321 sockets = strtoull(option, NULL, 10);
1322 if (get_param_value(option, 128, "cores", endptr) != 0)
1323 cores = strtoull(option, NULL, 10);
1324 if (get_param_value(option, 128, "threads", endptr) != 0)
1325 threads = strtoull(option, NULL, 10);
1326 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1327 max_cpus = strtoull(option, NULL, 10);
1328
1329 /* compute missing values, prefer sockets over cores over threads */
1330 if (smp == 0 || sockets == 0) {
1331 sockets = sockets > 0 ? sockets : 1;
1332 cores = cores > 0 ? cores : 1;
1333 threads = threads > 0 ? threads : 1;
1334 if (smp == 0) {
1335 smp = cores * threads * sockets;
1336 }
1337 } else {
1338 if (cores == 0) {
1339 threads = threads > 0 ? threads : 1;
1340 cores = smp / (sockets * threads);
1341 } else {
1342 threads = smp / (cores * sockets);
1343 }
1344 }
1345 smp_cpus = smp;
1346 smp_cores = cores > 0 ? cores : 1;
1347 smp_threads = threads > 0 ? threads : 1;
1348 if (max_cpus == 0)
1349 max_cpus = smp_cpus;
1350 }
1351
1352 /***********************************************************/
1353 /* USB devices */
1354
1355 static int usb_device_add(const char *devname)
1356 {
1357 const char *p;
1358 USBDevice *dev = NULL;
1359
1360 if (!usb_enabled(false)) {
1361 return -1;
1362 }
1363
1364 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1365 dev = usbdevice_create(devname);
1366 if (dev)
1367 goto done;
1368
1369 /* the other ones */
1370 #ifndef CONFIG_LINUX
1371 /* only the linux version is qdev-ified, usb-bsd still needs this */
1372 if (strstart(devname, "host:", &p)) {
1373 dev = usb_host_device_open(usb_bus_find(-1), p);
1374 } else
1375 #endif
1376 if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1377 dev = usb_bt_init(usb_bus_find(-1),
1378 devname[2] ? hci_init(p)
1379 : bt_new_hci(qemu_find_bt_vlan(0)));
1380 } else {
1381 return -1;
1382 }
1383 if (!dev)
1384 return -1;
1385
1386 done:
1387 return 0;
1388 }
1389
1390 static int usb_device_del(const char *devname)
1391 {
1392 int bus_num, addr;
1393 const char *p;
1394
1395 if (strstart(devname, "host:", &p))
1396 return usb_host_device_close(p);
1397
1398 if (!usb_enabled(false)) {
1399 return -1;
1400 }
1401
1402 p = strchr(devname, '.');
1403 if (!p)
1404 return -1;
1405 bus_num = strtoul(devname, NULL, 0);
1406 addr = strtoul(p + 1, NULL, 0);
1407
1408 return usb_device_delete_addr(bus_num, addr);
1409 }
1410
1411 static int usb_parse(const char *cmdline)
1412 {
1413 int r;
1414 r = usb_device_add(cmdline);
1415 if (r < 0) {
1416 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1417 }
1418 return r;
1419 }
1420
1421 void do_usb_add(Monitor *mon, const QDict *qdict)
1422 {
1423 const char *devname = qdict_get_str(qdict, "devname");
1424 if (usb_device_add(devname) < 0) {
1425 error_report("could not add USB device '%s'", devname);
1426 }
1427 }
1428
1429 void do_usb_del(Monitor *mon, const QDict *qdict)
1430 {
1431 const char *devname = qdict_get_str(qdict, "devname");
1432 if (usb_device_del(devname) < 0) {
1433 error_report("could not delete USB device '%s'", devname);
1434 }
1435 }
1436
1437 /***********************************************************/
1438 /* PCMCIA/Cardbus */
1439
1440 static struct pcmcia_socket_entry_s {
1441 PCMCIASocket *socket;
1442 struct pcmcia_socket_entry_s *next;
1443 } *pcmcia_sockets = 0;
1444
1445 void pcmcia_socket_register(PCMCIASocket *socket)
1446 {
1447 struct pcmcia_socket_entry_s *entry;
1448
1449 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1450 entry->socket = socket;
1451 entry->next = pcmcia_sockets;
1452 pcmcia_sockets = entry;
1453 }
1454
1455 void pcmcia_socket_unregister(PCMCIASocket *socket)
1456 {
1457 struct pcmcia_socket_entry_s *entry, **ptr;
1458
1459 ptr = &pcmcia_sockets;
1460 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1461 if (entry->socket == socket) {
1462 *ptr = entry->next;
1463 g_free(entry);
1464 }
1465 }
1466
1467 void pcmcia_info(Monitor *mon, const QDict *qdict)
1468 {
1469 struct pcmcia_socket_entry_s *iter;
1470
1471 if (!pcmcia_sockets)
1472 monitor_printf(mon, "No PCMCIA sockets\n");
1473
1474 for (iter = pcmcia_sockets; iter; iter = iter->next)
1475 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1476 iter->socket->attached ? iter->socket->card_string :
1477 "Empty");
1478 }
1479
1480 /***********************************************************/
1481 /* machine registration */
1482
1483 static QEMUMachine *first_machine = NULL;
1484 QEMUMachine *current_machine = NULL;
1485
1486 int qemu_register_machine(QEMUMachine *m)
1487 {
1488 QEMUMachine **pm;
1489 pm = &first_machine;
1490 while (*pm != NULL)
1491 pm = &(*pm)->next;
1492 m->next = NULL;
1493 *pm = m;
1494 return 0;
1495 }
1496
1497 static QEMUMachine *find_machine(const char *name)
1498 {
1499 QEMUMachine *m;
1500
1501 for(m = first_machine; m != NULL; m = m->next) {
1502 if (!strcmp(m->name, name))
1503 return m;
1504 if (m->alias && !strcmp(m->alias, name))
1505 return m;
1506 }
1507 return NULL;
1508 }
1509
1510 QEMUMachine *find_default_machine(void)
1511 {
1512 QEMUMachine *m;
1513
1514 for(m = first_machine; m != NULL; m = m->next) {
1515 if (m->is_default) {
1516 return m;
1517 }
1518 }
1519 return NULL;
1520 }
1521
1522 MachineInfoList *qmp_query_machines(Error **errp)
1523 {
1524 MachineInfoList *mach_list = NULL;
1525 QEMUMachine *m;
1526
1527 for (m = first_machine; m; m = m->next) {
1528 MachineInfoList *entry;
1529 MachineInfo *info;
1530
1531 info = g_malloc0(sizeof(*info));
1532 if (m->is_default) {
1533 info->has_is_default = true;
1534 info->is_default = true;
1535 }
1536
1537 if (m->alias) {
1538 info->has_alias = true;
1539 info->alias = g_strdup(m->alias);
1540 }
1541
1542 info->name = g_strdup(m->name);
1543
1544 entry = g_malloc0(sizeof(*entry));
1545 entry->value = info;
1546 entry->next = mach_list;
1547 mach_list = entry;
1548 }
1549
1550 return mach_list;
1551 }
1552
1553 /***********************************************************/
1554 /* main execution loop */
1555
1556 static void gui_update(void *opaque)
1557 {
1558 uint64_t interval = GUI_REFRESH_INTERVAL;
1559 DisplayState *ds = opaque;
1560 DisplayChangeListener *dcl;
1561
1562 dpy_refresh(ds);
1563
1564 QLIST_FOREACH(dcl, &ds->listeners, next) {
1565 if (dcl->gui_timer_interval &&
1566 dcl->gui_timer_interval < interval)
1567 interval = dcl->gui_timer_interval;
1568 }
1569 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1570 }
1571
1572 void gui_setup_refresh(DisplayState *ds)
1573 {
1574 DisplayChangeListener *dcl;
1575 bool need_timer = false;
1576 bool have_gfx = false;
1577 bool have_text = false;
1578
1579 QLIST_FOREACH(dcl, &ds->listeners, next) {
1580 if (dcl->dpy_refresh != NULL) {
1581 need_timer = true;
1582 }
1583 if (dcl->dpy_gfx_update != NULL) {
1584 have_gfx = true;
1585 }
1586 if (dcl->dpy_text_update != NULL) {
1587 have_text = true;
1588 }
1589 }
1590
1591 if (need_timer && ds->gui_timer == NULL) {
1592 ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
1593 qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
1594 }
1595 if (!need_timer && ds->gui_timer != NULL) {
1596 qemu_del_timer(ds->gui_timer);
1597 qemu_free_timer(ds->gui_timer);
1598 ds->gui_timer = NULL;
1599 }
1600
1601 ds->have_gfx = have_gfx;
1602 ds->have_text = have_text;
1603 }
1604
1605 struct vm_change_state_entry {
1606 VMChangeStateHandler *cb;
1607 void *opaque;
1608 QLIST_ENTRY (vm_change_state_entry) entries;
1609 };
1610
1611 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1612
1613 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1614 void *opaque)
1615 {
1616 VMChangeStateEntry *e;
1617
1618 e = g_malloc0(sizeof (*e));
1619
1620 e->cb = cb;
1621 e->opaque = opaque;
1622 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1623 return e;
1624 }
1625
1626 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1627 {
1628 QLIST_REMOVE (e, entries);
1629 g_free (e);
1630 }
1631
1632 void vm_state_notify(int running, RunState state)
1633 {
1634 VMChangeStateEntry *e;
1635
1636 trace_vm_state_notify(running, state);
1637
1638 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1639 e->cb(e->opaque, running, state);
1640 }
1641 }
1642
1643 void vm_start(void)
1644 {
1645 if (!runstate_is_running()) {
1646 cpu_enable_ticks();
1647 runstate_set(RUN_STATE_RUNNING);
1648 vm_state_notify(1, RUN_STATE_RUNNING);
1649 resume_all_vcpus();
1650 monitor_protocol_event(QEVENT_RESUME, NULL);
1651 }
1652 }
1653
1654 /* reset/shutdown handler */
1655
1656 typedef struct QEMUResetEntry {
1657 QTAILQ_ENTRY(QEMUResetEntry) entry;
1658 QEMUResetHandler *func;
1659 void *opaque;
1660 } QEMUResetEntry;
1661
1662 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1663 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1664 static int reset_requested;
1665 static int shutdown_requested, shutdown_signal = -1;
1666 static pid_t shutdown_pid;
1667 static int powerdown_requested;
1668 static int debug_requested;
1669 static int suspend_requested;
1670 static int wakeup_requested;
1671 static NotifierList powerdown_notifiers =
1672 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1673 static NotifierList suspend_notifiers =
1674 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1675 static NotifierList wakeup_notifiers =
1676 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1677 static uint32_t wakeup_reason_mask = ~0;
1678 static RunState vmstop_requested = RUN_STATE_MAX;
1679
1680 int qemu_shutdown_requested_get(void)
1681 {
1682 return shutdown_requested;
1683 }
1684
1685 int qemu_reset_requested_get(void)
1686 {
1687 return reset_requested;
1688 }
1689
1690 static int qemu_shutdown_requested(void)
1691 {
1692 int r = shutdown_requested;
1693 shutdown_requested = 0;
1694 return r;
1695 }
1696
1697 static void qemu_kill_report(void)
1698 {
1699 if (!qtest_enabled() && shutdown_signal != -1) {
1700 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1701 if (shutdown_pid == 0) {
1702 /* This happens for eg ^C at the terminal, so it's worth
1703 * avoiding printing an odd message in that case.
1704 */
1705 fputc('\n', stderr);
1706 } else {
1707 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1708 }
1709 shutdown_signal = -1;
1710 }
1711 }
1712
1713 static int qemu_reset_requested(void)
1714 {
1715 int r = reset_requested;
1716 reset_requested = 0;
1717 return r;
1718 }
1719
1720 static int qemu_suspend_requested(void)
1721 {
1722 int r = suspend_requested;
1723 suspend_requested = 0;
1724 return r;
1725 }
1726
1727 static int qemu_wakeup_requested(void)
1728 {
1729 int r = wakeup_requested;
1730 wakeup_requested = 0;
1731 return r;
1732 }
1733
1734 static int qemu_powerdown_requested(void)
1735 {
1736 int r = powerdown_requested;
1737 powerdown_requested = 0;
1738 return r;
1739 }
1740
1741 static int qemu_debug_requested(void)
1742 {
1743 int r = debug_requested;
1744 debug_requested = 0;
1745 return r;
1746 }
1747
1748 /* We use RUN_STATE_MAX but any invalid value will do */
1749 static bool qemu_vmstop_requested(RunState *r)
1750 {
1751 if (vmstop_requested < RUN_STATE_MAX) {
1752 *r = vmstop_requested;
1753 vmstop_requested = RUN_STATE_MAX;
1754 return true;
1755 }
1756
1757 return false;
1758 }
1759
1760 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1761 {
1762 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1763
1764 re->func = func;
1765 re->opaque = opaque;
1766 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1767 }
1768
1769 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1770 {
1771 QEMUResetEntry *re;
1772
1773 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1774 if (re->func == func && re->opaque == opaque) {
1775 QTAILQ_REMOVE(&reset_handlers, re, entry);
1776 g_free(re);
1777 return;
1778 }
1779 }
1780 }
1781
1782 void qemu_devices_reset(void)
1783 {
1784 QEMUResetEntry *re, *nre;
1785
1786 /* reset all devices */
1787 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1788 re->func(re->opaque);
1789 }
1790 }
1791
1792 void qemu_system_reset(bool report)
1793 {
1794 if (current_machine && current_machine->reset) {
1795 current_machine->reset();
1796 } else {
1797 qemu_devices_reset();
1798 }
1799 if (report) {
1800 monitor_protocol_event(QEVENT_RESET, NULL);
1801 }
1802 cpu_synchronize_all_post_reset();
1803 }
1804
1805 void qemu_system_reset_request(void)
1806 {
1807 if (no_reboot) {
1808 shutdown_requested = 1;
1809 } else {
1810 reset_requested = 1;
1811 }
1812 cpu_stop_current();
1813 qemu_notify_event();
1814 }
1815
1816 static void qemu_system_suspend(void)
1817 {
1818 pause_all_vcpus();
1819 notifier_list_notify(&suspend_notifiers, NULL);
1820 runstate_set(RUN_STATE_SUSPENDED);
1821 monitor_protocol_event(QEVENT_SUSPEND, NULL);
1822 }
1823
1824 void qemu_system_suspend_request(void)
1825 {
1826 if (runstate_check(RUN_STATE_SUSPENDED)) {
1827 return;
1828 }
1829 suspend_requested = 1;
1830 cpu_stop_current();
1831 qemu_notify_event();
1832 }
1833
1834 void qemu_register_suspend_notifier(Notifier *notifier)
1835 {
1836 notifier_list_add(&suspend_notifiers, notifier);
1837 }
1838
1839 void qemu_system_wakeup_request(WakeupReason reason)
1840 {
1841 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1842 return;
1843 }
1844 if (!(wakeup_reason_mask & (1 << reason))) {
1845 return;
1846 }
1847 runstate_set(RUN_STATE_RUNNING);
1848 notifier_list_notify(&wakeup_notifiers, &reason);
1849 wakeup_requested = 1;
1850 qemu_notify_event();
1851 }
1852
1853 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1854 {
1855 if (enabled) {
1856 wakeup_reason_mask |= (1 << reason);
1857 } else {
1858 wakeup_reason_mask &= ~(1 << reason);
1859 }
1860 }
1861
1862 void qemu_register_wakeup_notifier(Notifier *notifier)
1863 {
1864 notifier_list_add(&wakeup_notifiers, notifier);
1865 }
1866
1867 void qemu_system_killed(int signal, pid_t pid)
1868 {
1869 shutdown_signal = signal;
1870 shutdown_pid = pid;
1871 no_shutdown = 0;
1872 qemu_system_shutdown_request();
1873 }
1874
1875 void qemu_system_shutdown_request(void)
1876 {
1877 shutdown_requested = 1;
1878 qemu_notify_event();
1879 }
1880
1881 static void qemu_system_powerdown(void)
1882 {
1883 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1884 notifier_list_notify(&powerdown_notifiers, NULL);
1885 }
1886
1887 void qemu_system_powerdown_request(void)
1888 {
1889 powerdown_requested = 1;
1890 qemu_notify_event();
1891 }
1892
1893 void qemu_register_powerdown_notifier(Notifier *notifier)
1894 {
1895 notifier_list_add(&powerdown_notifiers, notifier);
1896 }
1897
1898 void qemu_system_debug_request(void)
1899 {
1900 debug_requested = 1;
1901 qemu_notify_event();
1902 }
1903
1904 void qemu_system_vmstop_request(RunState state)
1905 {
1906 vmstop_requested = state;
1907 qemu_notify_event();
1908 }
1909
1910 static bool main_loop_should_exit(void)
1911 {
1912 RunState r;
1913 if (qemu_debug_requested()) {
1914 vm_stop(RUN_STATE_DEBUG);
1915 }
1916 if (qemu_suspend_requested()) {
1917 qemu_system_suspend();
1918 }
1919 if (qemu_shutdown_requested()) {
1920 qemu_kill_report();
1921 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1922 if (no_shutdown) {
1923 vm_stop(RUN_STATE_SHUTDOWN);
1924 } else {
1925 return true;
1926 }
1927 }
1928 if (qemu_reset_requested()) {
1929 pause_all_vcpus();
1930 cpu_synchronize_all_states();
1931 qemu_system_reset(VMRESET_REPORT);
1932 resume_all_vcpus();
1933 if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
1934 runstate_check(RUN_STATE_SHUTDOWN)) {
1935 runstate_set(RUN_STATE_PAUSED);
1936 }
1937 }
1938 if (qemu_wakeup_requested()) {
1939 pause_all_vcpus();
1940 cpu_synchronize_all_states();
1941 qemu_system_reset(VMRESET_SILENT);
1942 resume_all_vcpus();
1943 monitor_protocol_event(QEVENT_WAKEUP, NULL);
1944 }
1945 if (qemu_powerdown_requested()) {
1946 qemu_system_powerdown();
1947 }
1948 if (qemu_vmstop_requested(&r)) {
1949 vm_stop(r);
1950 }
1951 return false;
1952 }
1953
1954 static void main_loop(void)
1955 {
1956 bool nonblocking;
1957 int last_io = 0;
1958 #ifdef CONFIG_PROFILER
1959 int64_t ti;
1960 #endif
1961 do {
1962 nonblocking = !kvm_enabled() && last_io > 0;
1963 #ifdef CONFIG_PROFILER
1964 ti = profile_getclock();
1965 #endif
1966 last_io = main_loop_wait(nonblocking);
1967 #ifdef CONFIG_PROFILER
1968 dev_time += profile_getclock() - ti;
1969 #endif
1970 } while (!main_loop_should_exit());
1971 }
1972
1973 static void version(void)
1974 {
1975 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1976 }
1977
1978 static void help(int exitcode)
1979 {
1980 version();
1981 printf("usage: %s [options] [disk_image]\n\n"
1982 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1983 error_get_progname());
1984
1985 #define QEMU_OPTIONS_GENERATE_HELP
1986 #include "qemu-options-wrapper.h"
1987
1988 printf("\nDuring emulation, the following keys are useful:\n"
1989 "ctrl-alt-f toggle full screen\n"
1990 "ctrl-alt-n switch to virtual console 'n'\n"
1991 "ctrl-alt toggle mouse and keyboard grab\n"
1992 "\n"
1993 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1994
1995 exit(exitcode);
1996 }
1997
1998 #define HAS_ARG 0x0001
1999
2000 typedef struct QEMUOption {
2001 const char *name;
2002 int flags;
2003 int index;
2004 uint32_t arch_mask;
2005 } QEMUOption;
2006
2007 static const QEMUOption qemu_options[] = {
2008 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2009 #define QEMU_OPTIONS_GENERATE_OPTIONS
2010 #include "qemu-options-wrapper.h"
2011 { NULL },
2012 };
2013
2014 static bool vga_available(void)
2015 {
2016 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2017 }
2018
2019 static bool cirrus_vga_available(void)
2020 {
2021 return object_class_by_name("cirrus-vga")
2022 || object_class_by_name("isa-cirrus-vga");
2023 }
2024
2025 static bool vmware_vga_available(void)
2026 {
2027 return object_class_by_name("vmware-svga");
2028 }
2029
2030 static bool qxl_vga_available(void)
2031 {
2032 return object_class_by_name("qxl-vga");
2033 }
2034
2035 static void select_vgahw (const char *p)
2036 {
2037 const char *opts;
2038
2039 vga_interface_type = VGA_NONE;
2040 if (strstart(p, "std", &opts)) {
2041 if (vga_available()) {
2042 vga_interface_type = VGA_STD;
2043 } else {
2044 fprintf(stderr, "Error: standard VGA not available\n");
2045 exit(0);
2046 }
2047 } else if (strstart(p, "cirrus", &opts)) {
2048 if (cirrus_vga_available()) {
2049 vga_interface_type = VGA_CIRRUS;
2050 } else {
2051 fprintf(stderr, "Error: Cirrus VGA not available\n");
2052 exit(0);
2053 }
2054 } else if (strstart(p, "vmware", &opts)) {
2055 if (vmware_vga_available()) {
2056 vga_interface_type = VGA_VMWARE;
2057 } else {
2058 fprintf(stderr, "Error: VMWare SVGA not available\n");
2059 exit(0);
2060 }
2061 } else if (strstart(p, "xenfb", &opts)) {
2062 vga_interface_type = VGA_XENFB;
2063 } else if (strstart(p, "qxl", &opts)) {
2064 if (qxl_vga_available()) {
2065 vga_interface_type = VGA_QXL;
2066 } else {
2067 fprintf(stderr, "Error: QXL VGA not available\n");
2068 exit(0);
2069 }
2070 } else if (!strstart(p, "none", &opts)) {
2071 invalid_vga:
2072 fprintf(stderr, "Unknown vga type: %s\n", p);
2073 exit(1);
2074 }
2075 while (*opts) {
2076 const char *nextopt;
2077
2078 if (strstart(opts, ",retrace=", &nextopt)) {
2079 opts = nextopt;
2080 if (strstart(opts, "dumb", &nextopt))
2081 vga_retrace_method = VGA_RETRACE_DUMB;
2082 else if (strstart(opts, "precise", &nextopt))
2083 vga_retrace_method = VGA_RETRACE_PRECISE;
2084 else goto invalid_vga;
2085 } else goto invalid_vga;
2086 opts = nextopt;
2087 }
2088 }
2089
2090 static DisplayType select_display(const char *p)
2091 {
2092 const char *opts;
2093 DisplayType display = DT_DEFAULT;
2094
2095 if (strstart(p, "sdl", &opts)) {
2096 #ifdef CONFIG_SDL
2097 display = DT_SDL;
2098 while (*opts) {
2099 const char *nextopt;
2100
2101 if (strstart(opts, ",frame=", &nextopt)) {
2102 opts = nextopt;
2103 if (strstart(opts, "on", &nextopt)) {
2104 no_frame = 0;
2105 } else if (strstart(opts, "off", &nextopt)) {
2106 no_frame = 1;
2107 } else {
2108 goto invalid_sdl_args;
2109 }
2110 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2111 opts = nextopt;
2112 if (strstart(opts, "on", &nextopt)) {
2113 alt_grab = 1;
2114 } else if (strstart(opts, "off", &nextopt)) {
2115 alt_grab = 0;
2116 } else {
2117 goto invalid_sdl_args;
2118 }
2119 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2120 opts = nextopt;
2121 if (strstart(opts, "on", &nextopt)) {
2122 ctrl_grab = 1;
2123 } else if (strstart(opts, "off", &nextopt)) {
2124 ctrl_grab = 0;
2125 } else {
2126 goto invalid_sdl_args;
2127 }
2128 } else if (strstart(opts, ",window_close=", &nextopt)) {
2129 opts = nextopt;
2130 if (strstart(opts, "on", &nextopt)) {
2131 no_quit = 0;
2132 } else if (strstart(opts, "off", &nextopt)) {
2133 no_quit = 1;
2134 } else {
2135 goto invalid_sdl_args;
2136 }
2137 } else {
2138 invalid_sdl_args:
2139 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2140 exit(1);
2141 }
2142 opts = nextopt;
2143 }
2144 #else
2145 fprintf(stderr, "SDL support is disabled\n");
2146 exit(1);
2147 #endif
2148 } else if (strstart(p, "vnc", &opts)) {
2149 #ifdef CONFIG_VNC
2150 display_remote++;
2151
2152 if (*opts) {
2153 const char *nextopt;
2154
2155 if (strstart(opts, "=", &nextopt)) {
2156 vnc_display = nextopt;
2157 }
2158 }
2159 if (!vnc_display) {
2160 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2161 exit(1);
2162 }
2163 #else
2164 fprintf(stderr, "VNC support is disabled\n");
2165 exit(1);
2166 #endif
2167 } else if (strstart(p, "curses", &opts)) {
2168 #ifdef CONFIG_CURSES
2169 display = DT_CURSES;
2170 #else
2171 fprintf(stderr, "Curses support is disabled\n");
2172 exit(1);
2173 #endif
2174 } else if (strstart(p, "none", &opts)) {
2175 display = DT_NONE;
2176 } else {
2177 fprintf(stderr, "Unknown display type: %s\n", p);
2178 exit(1);
2179 }
2180
2181 return display;
2182 }
2183
2184 static int balloon_parse(const char *arg)
2185 {
2186 QemuOpts *opts;
2187
2188 if (strcmp(arg, "none") == 0) {
2189 return 0;
2190 }
2191
2192 if (!strncmp(arg, "virtio", 6)) {
2193 if (arg[6] == ',') {
2194 /* have params -> parse them */
2195 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2196 if (!opts)
2197 return -1;
2198 } else {
2199 /* create empty opts */
2200 opts = qemu_opts_create_nofail(qemu_find_opts("device"));
2201 }
2202 qemu_opt_set(opts, "driver", "virtio-balloon");
2203 return 0;
2204 }
2205
2206 return -1;
2207 }
2208
2209 char *qemu_find_file(int type, const char *name)
2210 {
2211 int len;
2212 const char *subdir;
2213 char *buf;
2214
2215 /* Try the name as a straight path first */
2216 if (access(name, R_OK) == 0) {
2217 return g_strdup(name);
2218 }
2219 switch (type) {
2220 case QEMU_FILE_TYPE_BIOS:
2221 subdir = "";
2222 break;
2223 case QEMU_FILE_TYPE_KEYMAP:
2224 subdir = "keymaps/";
2225 break;
2226 default:
2227 abort();
2228 }
2229 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
2230 buf = g_malloc0(len);
2231 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
2232 if (access(buf, R_OK)) {
2233 g_free(buf);
2234 return NULL;
2235 }
2236 return buf;
2237 }
2238
2239 static int device_help_func(QemuOpts *opts, void *opaque)
2240 {
2241 return qdev_device_help(opts);
2242 }
2243
2244 static int device_init_func(QemuOpts *opts, void *opaque)
2245 {
2246 DeviceState *dev;
2247
2248 dev = qdev_device_add(opts);
2249 if (!dev)
2250 return -1;
2251 object_unref(OBJECT(dev));
2252 return 0;
2253 }
2254
2255 static int chardev_init_func(QemuOpts *opts, void *opaque)
2256 {
2257 Error *local_err = NULL;
2258
2259 qemu_chr_new_from_opts(opts, NULL, &local_err);
2260 if (error_is_set(&local_err)) {
2261 fprintf(stderr, "%s\n", error_get_pretty(local_err));
2262 error_free(local_err);
2263 return -1;
2264 }
2265 return 0;
2266 }
2267
2268 #ifdef CONFIG_VIRTFS
2269 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2270 {
2271 int ret;
2272 ret = qemu_fsdev_add(opts);
2273
2274 return ret;
2275 }
2276 #endif
2277
2278 static int mon_init_func(QemuOpts *opts, void *opaque)
2279 {
2280 CharDriverState *chr;
2281 const char *chardev;
2282 const char *mode;
2283 int flags;
2284
2285 mode = qemu_opt_get(opts, "mode");
2286 if (mode == NULL) {
2287 mode = "readline";
2288 }
2289 if (strcmp(mode, "readline") == 0) {
2290 flags = MONITOR_USE_READLINE;
2291 } else if (strcmp(mode, "control") == 0) {
2292 flags = MONITOR_USE_CONTROL;
2293 } else {
2294 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2295 exit(1);
2296 }
2297
2298 if (qemu_opt_get_bool(opts, "pretty", 0))
2299 flags |= MONITOR_USE_PRETTY;
2300
2301 if (qemu_opt_get_bool(opts, "default", 0))
2302 flags |= MONITOR_IS_DEFAULT;
2303
2304 chardev = qemu_opt_get(opts, "chardev");
2305 chr = qemu_chr_find(chardev);
2306 if (chr == NULL) {
2307 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2308 exit(1);
2309 }
2310
2311 monitor_init(chr, flags);
2312 return 0;
2313 }
2314
2315 static void monitor_parse(const char *optarg, const char *mode)
2316 {
2317 static int monitor_device_index = 0;
2318 QemuOpts *opts;
2319 const char *p;
2320 char label[32];
2321 int def = 0;
2322
2323 if (strstart(optarg, "chardev:", &p)) {
2324 snprintf(label, sizeof(label), "%s", p);
2325 } else {
2326 snprintf(label, sizeof(label), "compat_monitor%d",
2327 monitor_device_index);
2328 if (monitor_device_index == 0) {
2329 def = 1;
2330 }
2331 opts = qemu_chr_parse_compat(label, optarg);
2332 if (!opts) {
2333 fprintf(stderr, "parse error: %s\n", optarg);
2334 exit(1);
2335 }
2336 }
2337
2338 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2339 if (!opts) {
2340 fprintf(stderr, "duplicate chardev: %s\n", label);
2341 exit(1);
2342 }
2343 qemu_opt_set(opts, "mode", mode);
2344 qemu_opt_set(opts, "chardev", label);
2345 if (def)
2346 qemu_opt_set(opts, "default", "on");
2347 monitor_device_index++;
2348 }
2349
2350 struct device_config {
2351 enum {
2352 DEV_USB, /* -usbdevice */
2353 DEV_BT, /* -bt */
2354 DEV_SERIAL, /* -serial */
2355 DEV_PARALLEL, /* -parallel */
2356 DEV_VIRTCON, /* -virtioconsole */
2357 DEV_DEBUGCON, /* -debugcon */
2358 DEV_GDB, /* -gdb, -s */
2359 DEV_SCLP, /* s390 sclp */
2360 } type;
2361 const char *cmdline;
2362 Location loc;
2363 QTAILQ_ENTRY(device_config) next;
2364 };
2365
2366 static QTAILQ_HEAD(, device_config) device_configs =
2367 QTAILQ_HEAD_INITIALIZER(device_configs);
2368
2369 static void add_device_config(int type, const char *cmdline)
2370 {
2371 struct device_config *conf;
2372
2373 conf = g_malloc0(sizeof(*conf));
2374 conf->type = type;
2375 conf->cmdline = cmdline;
2376 loc_save(&conf->loc);
2377 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2378 }
2379
2380 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2381 {
2382 struct device_config *conf;
2383 int rc;
2384
2385 QTAILQ_FOREACH(conf, &device_configs, next) {
2386 if (conf->type != type)
2387 continue;
2388 loc_push_restore(&conf->loc);
2389 rc = func(conf->cmdline);
2390 loc_pop(&conf->loc);
2391 if (0 != rc)
2392 return rc;
2393 }
2394 return 0;
2395 }
2396
2397 static int serial_parse(const char *devname)
2398 {
2399 static int index = 0;
2400 char label[32];
2401
2402 if (strcmp(devname, "none") == 0)
2403 return 0;
2404 if (index == MAX_SERIAL_PORTS) {
2405 fprintf(stderr, "qemu: too many serial ports\n");
2406 exit(1);
2407 }
2408 snprintf(label, sizeof(label), "serial%d", index);
2409 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2410 if (!serial_hds[index]) {
2411 fprintf(stderr, "qemu: could not connect serial device"
2412 " to character backend '%s'\n", devname);
2413 return -1;
2414 }
2415 index++;
2416 return 0;
2417 }
2418
2419 static int parallel_parse(const char *devname)
2420 {
2421 static int index = 0;
2422 char label[32];
2423
2424 if (strcmp(devname, "none") == 0)
2425 return 0;
2426 if (index == MAX_PARALLEL_PORTS) {
2427 fprintf(stderr, "qemu: too many parallel ports\n");
2428 exit(1);
2429 }
2430 snprintf(label, sizeof(label), "parallel%d", index);
2431 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2432 if (!parallel_hds[index]) {
2433 fprintf(stderr, "qemu: could not connect parallel device"
2434 " to character backend '%s'\n", devname);
2435 return -1;
2436 }
2437 index++;
2438 return 0;
2439 }
2440
2441 static int virtcon_parse(const char *devname)
2442 {
2443 QemuOptsList *device = qemu_find_opts("device");
2444 static int index = 0;
2445 char label[32];
2446 QemuOpts *bus_opts, *dev_opts;
2447
2448 if (strcmp(devname, "none") == 0)
2449 return 0;
2450 if (index == MAX_VIRTIO_CONSOLES) {
2451 fprintf(stderr, "qemu: too many virtio consoles\n");
2452 exit(1);
2453 }
2454
2455 bus_opts = qemu_opts_create_nofail(device);
2456 if (arch_type == QEMU_ARCH_S390X) {
2457 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2458 } else {
2459 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2460 }
2461
2462 dev_opts = qemu_opts_create_nofail(device);
2463 qemu_opt_set(dev_opts, "driver", "virtconsole");
2464
2465 snprintf(label, sizeof(label), "virtcon%d", index);
2466 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2467 if (!virtcon_hds[index]) {
2468 fprintf(stderr, "qemu: could not connect virtio console"
2469 " to character backend '%s'\n", devname);
2470 return -1;
2471 }
2472 qemu_opt_set(dev_opts, "chardev", label);
2473
2474 index++;
2475 return 0;
2476 }
2477
2478 static int sclp_parse(const char *devname)
2479 {
2480 QemuOptsList *device = qemu_find_opts("device");
2481 static int index = 0;
2482 char label[32];
2483 QemuOpts *dev_opts;
2484
2485 if (strcmp(devname, "none") == 0) {
2486 return 0;
2487 }
2488 if (index == MAX_SCLP_CONSOLES) {
2489 fprintf(stderr, "qemu: too many sclp consoles\n");
2490 exit(1);
2491 }
2492
2493 assert(arch_type == QEMU_ARCH_S390X);
2494
2495 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2496 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2497
2498 snprintf(label, sizeof(label), "sclpcon%d", index);
2499 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2500 if (!sclp_hds[index]) {
2501 fprintf(stderr, "qemu: could not connect sclp console"
2502 " to character backend '%s'\n", devname);
2503 return -1;
2504 }
2505 qemu_opt_set(dev_opts, "chardev", label);
2506
2507 index++;
2508 return 0;
2509 }
2510
2511 static int debugcon_parse(const char *devname)
2512 {
2513 QemuOpts *opts;
2514
2515 if (!qemu_chr_new("debugcon", devname, NULL)) {
2516 exit(1);
2517 }
2518 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2519 if (!opts) {
2520 fprintf(stderr, "qemu: already have a debugcon device\n");
2521 exit(1);
2522 }
2523 qemu_opt_set(opts, "driver", "isa-debugcon");
2524 qemu_opt_set(opts, "chardev", "debugcon");
2525 return 0;
2526 }
2527
2528 static QEMUMachine *machine_parse(const char *name)
2529 {
2530 QEMUMachine *m, *machine = NULL;
2531
2532 if (name) {
2533 machine = find_machine(name);
2534 }
2535 if (machine) {
2536 return machine;
2537 }
2538 printf("Supported machines are:\n");
2539 for (m = first_machine; m != NULL; m = m->next) {
2540 if (m->alias) {
2541 printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2542 }
2543 printf("%-20s %s%s\n", m->name, m->desc,
2544 m->is_default ? " (default)" : "");
2545 }
2546 exit(!name || !is_help_option(name));
2547 }
2548
2549 static int tcg_init(void)
2550 {
2551 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2552 return 0;
2553 }
2554
2555 static struct {
2556 const char *opt_name;
2557 const char *name;
2558 int (*available)(void);
2559 int (*init)(void);
2560 bool *allowed;
2561 } accel_list[] = {
2562 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2563 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2564 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2565 { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2566 };
2567
2568 static int configure_accelerator(void)
2569 {
2570 const char *p = NULL;
2571 char buf[10];
2572 int i, ret;
2573 bool accel_initialised = false;
2574 bool init_failed = false;
2575
2576 QemuOptsList *list = qemu_find_opts("machine");
2577 if (!QTAILQ_EMPTY(&list->head)) {
2578 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2579 }
2580
2581 if (p == NULL) {
2582 /* Use the default "accelerator", tcg */
2583 p = "tcg";
2584 }
2585
2586 while (!accel_initialised && *p != '\0') {
2587 if (*p == ':') {
2588 p++;
2589 }
2590 p = get_opt_name(buf, sizeof (buf), p, ':');
2591 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2592 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2593 if (!accel_list[i].available()) {
2594 printf("%s not supported for this target\n",
2595 accel_list[i].name);
2596 continue;
2597 }
2598 *(accel_list[i].allowed) = true;
2599 ret = accel_list[i].init();
2600 if (ret < 0) {
2601 init_failed = true;
2602 fprintf(stderr, "failed to initialize %s: %s\n",
2603 accel_list[i].name,
2604 strerror(-ret));
2605 *(accel_list[i].allowed) = false;
2606 } else {
2607 accel_initialised = true;
2608 }
2609 break;
2610 }
2611 }
2612 if (i == ARRAY_SIZE(accel_list)) {
2613 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2614 }
2615 }
2616
2617 if (!accel_initialised) {
2618 if (!init_failed) {
2619 fprintf(stderr, "No accelerator found!\n");
2620 }
2621 exit(1);
2622 }
2623
2624 if (init_failed) {
2625 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2626 }
2627
2628 return !accel_initialised;
2629 }
2630
2631 void qemu_add_exit_notifier(Notifier *notify)
2632 {
2633 notifier_list_add(&exit_notifiers, notify);
2634 }
2635
2636 void qemu_remove_exit_notifier(Notifier *notify)
2637 {
2638 notifier_remove(notify);
2639 }
2640
2641 static void qemu_run_exit_notifiers(void)
2642 {
2643 notifier_list_notify(&exit_notifiers, NULL);
2644 }
2645
2646 void qemu_add_machine_init_done_notifier(Notifier *notify)
2647 {
2648 notifier_list_add(&machine_init_done_notifiers, notify);
2649 }
2650
2651 static void qemu_run_machine_init_done_notifiers(void)
2652 {
2653 notifier_list_notify(&machine_init_done_notifiers, NULL);
2654 }
2655
2656 static const QEMUOption *lookup_opt(int argc, char **argv,
2657 const char **poptarg, int *poptind)
2658 {
2659 const QEMUOption *popt;
2660 int optind = *poptind;
2661 char *r = argv[optind];
2662 const char *optarg;
2663
2664 loc_set_cmdline(argv, optind, 1);
2665 optind++;
2666 /* Treat --foo the same as -foo. */
2667 if (r[1] == '-')
2668 r++;
2669 popt = qemu_options;
2670 for(;;) {
2671 if (!popt->name) {
2672 error_report("invalid option");
2673 exit(1);
2674 }
2675 if (!strcmp(popt->name, r + 1))
2676 break;
2677 popt++;
2678 }
2679 if (popt->flags & HAS_ARG) {
2680 if (optind >= argc) {
2681 error_report("requires an argument");
2682 exit(1);
2683 }
2684 optarg = argv[optind++];
2685 loc_set_cmdline(argv, optind - 2, 2);
2686 } else {
2687 optarg = NULL;
2688 }
2689
2690 *poptarg = optarg;
2691 *poptind = optind;
2692
2693 return popt;
2694 }
2695
2696 static gpointer malloc_and_trace(gsize n_bytes)
2697 {
2698 void *ptr = malloc(n_bytes);
2699 trace_g_malloc(n_bytes, ptr);
2700 return ptr;
2701 }
2702
2703 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2704 {
2705 void *ptr = realloc(mem, n_bytes);
2706 trace_g_realloc(mem, n_bytes, ptr);
2707 return ptr;
2708 }
2709
2710 static void free_and_trace(gpointer mem)
2711 {
2712 trace_g_free(mem);
2713 free(mem);
2714 }
2715
2716 static int object_set_property(const char *name, const char *value, void *opaque)
2717 {
2718 Object *obj = OBJECT(opaque);
2719 StringInputVisitor *siv;
2720 Error *local_err = NULL;
2721
2722 if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0) {
2723 return 0;
2724 }
2725
2726 siv = string_input_visitor_new(value);
2727 object_property_set(obj, string_input_get_visitor(siv), name, &local_err);
2728 string_input_visitor_cleanup(siv);
2729
2730 if (local_err) {
2731 qerror_report_err(local_err);
2732 error_free(local_err);
2733 return -1;
2734 }
2735
2736 return 0;
2737 }
2738
2739 static int object_create(QemuOpts *opts, void *opaque)
2740 {
2741 const char *type = qemu_opt_get(opts, "qom-type");
2742 const char *id = qemu_opts_id(opts);
2743 Object *obj;
2744
2745 g_assert(type != NULL);
2746
2747 if (id == NULL) {
2748 qerror_report(QERR_MISSING_PARAMETER, "id");
2749 return -1;
2750 }
2751
2752 obj = object_new(type);
2753 if (qemu_opt_foreach(opts, object_set_property, obj, 1) < 0) {
2754 return -1;
2755 }
2756
2757 object_property_add_child(container_get(object_get_root(), "/objects"),
2758 id, obj, NULL);
2759
2760 return 0;
2761 }
2762
2763 int main(int argc, char **argv, char **envp)
2764 {
2765 int i;
2766 int snapshot, linux_boot;
2767 const char *icount_option = NULL;
2768 const char *initrd_filename;
2769 const char *kernel_filename, *kernel_cmdline;
2770 char boot_devices[33] = "";
2771 DisplayState *ds;
2772 int cyls, heads, secs, translation;
2773 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2774 QemuOptsList *olist;
2775 int optind;
2776 const char *optarg;
2777 const char *loadvm = NULL;
2778 QEMUMachine *machine;
2779 const char *cpu_model;
2780 const char *vga_model = "none";
2781 const char *pid_file = NULL;
2782 const char *incoming = NULL;
2783 #ifdef CONFIG_VNC
2784 int show_vnc_port = 0;
2785 #endif
2786 bool defconfig = true;
2787 bool userconfig = true;
2788 const char *log_mask = NULL;
2789 const char *log_file = NULL;
2790 GMemVTable mem_trace = {
2791 .malloc = malloc_and_trace,
2792 .realloc = realloc_and_trace,
2793 .free = free_and_trace,
2794 };
2795 const char *trace_events = NULL;
2796 const char *trace_file = NULL;
2797
2798 atexit(qemu_run_exit_notifiers);
2799 error_set_progname(argv[0]);
2800
2801 g_mem_set_vtable(&mem_trace);
2802 if (!g_thread_supported()) {
2803 #if !GLIB_CHECK_VERSION(2, 31, 0)
2804 g_thread_init(NULL);
2805 #else
2806 fprintf(stderr, "glib threading failed to initialize.\n");
2807 exit(1);
2808 #endif
2809 }
2810
2811 module_call_init(MODULE_INIT_QOM);
2812
2813 qemu_add_opts(&qemu_drive_opts);
2814 qemu_add_opts(&qemu_chardev_opts);
2815 qemu_add_opts(&qemu_device_opts);
2816 qemu_add_opts(&qemu_netdev_opts);
2817 qemu_add_opts(&qemu_net_opts);
2818 qemu_add_opts(&qemu_rtc_opts);
2819 qemu_add_opts(&qemu_global_opts);
2820 qemu_add_opts(&qemu_mon_opts);
2821 qemu_add_opts(&qemu_trace_opts);
2822 qemu_add_opts(&qemu_option_rom_opts);
2823 qemu_add_opts(&qemu_machine_opts);
2824 qemu_add_opts(&qemu_boot_opts);
2825 qemu_add_opts(&qemu_sandbox_opts);
2826 qemu_add_opts(&qemu_add_fd_opts);
2827 qemu_add_opts(&qemu_object_opts);
2828
2829 runstate_init();
2830
2831 init_clocks();
2832 rtc_clock = host_clock;
2833
2834 qemu_cache_utils_init(envp);
2835
2836 QLIST_INIT (&vm_change_state_head);
2837 os_setup_early_signal_handling();
2838
2839 module_call_init(MODULE_INIT_MACHINE);
2840 machine = find_default_machine();
2841 cpu_model = NULL;
2842 ram_size = 0;
2843 snapshot = 0;
2844 cyls = heads = secs = 0;
2845 translation = BIOS_ATA_TRANSLATION_AUTO;
2846
2847 for (i = 0; i < MAX_NODES; i++) {
2848 node_mem[i] = 0;
2849 node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2850 }
2851
2852 nb_numa_nodes = 0;
2853 nb_nics = 0;
2854
2855 autostart= 1;
2856
2857 /* first pass of option parsing */
2858 optind = 1;
2859 while (optind < argc) {
2860 if (argv[optind][0] != '-') {
2861 /* disk image */
2862 optind++;
2863 continue;
2864 } else {
2865 const QEMUOption *popt;
2866
2867 popt = lookup_opt(argc, argv, &optarg, &optind);
2868 switch (popt->index) {
2869 case QEMU_OPTION_nodefconfig:
2870 defconfig = false;
2871 break;
2872 case QEMU_OPTION_nouserconfig:
2873 userconfig = false;
2874 break;
2875 }
2876 }
2877 }
2878
2879 if (defconfig) {
2880 int ret;
2881 ret = qemu_read_default_config_files(userconfig);
2882 if (ret < 0) {
2883 exit(1);
2884 }
2885 }
2886
2887 /* second pass of option parsing */
2888 optind = 1;
2889 for(;;) {
2890 if (optind >= argc)
2891 break;
2892 if (argv[optind][0] != '-') {
2893 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2894 } else {
2895 const QEMUOption *popt;
2896
2897 popt = lookup_opt(argc, argv, &optarg, &optind);
2898 if (!(popt->arch_mask & arch_type)) {
2899 printf("Option %s not supported for this target\n", popt->name);
2900 exit(1);
2901 }
2902 switch(popt->index) {
2903 case QEMU_OPTION_M:
2904 machine = machine_parse(optarg);
2905 break;
2906 case QEMU_OPTION_no_kvm_irqchip: {
2907 olist = qemu_find_opts("machine");
2908 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
2909 break;
2910 }
2911 case QEMU_OPTION_cpu:
2912 /* hw initialization will check this */
2913 cpu_model = optarg;
2914 break;
2915 case QEMU_OPTION_hda:
2916 {
2917 char buf[256];
2918 if (cyls == 0)
2919 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2920 else
2921 snprintf(buf, sizeof(buf),
2922 "%s,cyls=%d,heads=%d,secs=%d%s",
2923 HD_OPTS , cyls, heads, secs,
2924 translation == BIOS_ATA_TRANSLATION_LBA ?
2925 ",trans=lba" :
2926 translation == BIOS_ATA_TRANSLATION_NONE ?
2927 ",trans=none" : "");
2928 drive_add(IF_DEFAULT, 0, optarg, buf);
2929 break;
2930 }
2931 case QEMU_OPTION_hdb:
2932 case QEMU_OPTION_hdc:
2933 case QEMU_OPTION_hdd:
2934 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2935 HD_OPTS);
2936 break;
2937 case QEMU_OPTION_drive:
2938 if (drive_def(optarg) == NULL) {
2939 exit(1);
2940 }
2941 break;
2942 case QEMU_OPTION_set:
2943 if (qemu_set_option(optarg) != 0)
2944 exit(1);
2945 break;
2946 case QEMU_OPTION_global:
2947 if (qemu_global_option(optarg) != 0)
2948 exit(1);
2949 break;
2950 case QEMU_OPTION_mtdblock:
2951 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2952 break;
2953 case QEMU_OPTION_sd:
2954 drive_add(IF_SD, 0, optarg, SD_OPTS);
2955 break;
2956 case QEMU_OPTION_pflash:
2957 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2958 break;
2959 case QEMU_OPTION_snapshot:
2960 snapshot = 1;
2961 break;
2962 case QEMU_OPTION_hdachs:
2963 {
2964 const char *p;
2965 p = optarg;
2966 cyls = strtol(p, (char **)&p, 0);
2967 if (cyls < 1 || cyls > 16383)
2968 goto chs_fail;
2969 if (*p != ',')
2970 goto chs_fail;
2971 p++;
2972 heads = strtol(p, (char **)&p, 0);
2973 if (heads < 1 || heads > 16)
2974 goto chs_fail;
2975 if (*p != ',')
2976 goto chs_fail;
2977 p++;
2978 secs = strtol(p, (char **)&p, 0);
2979 if (secs < 1 || secs > 63)
2980 goto chs_fail;
2981 if (*p == ',') {
2982 p++;
2983 if (!strcmp(p, "none"))
2984 translation = BIOS_ATA_TRANSLATION_NONE;
2985 else if (!strcmp(p, "lba"))
2986 translation = BIOS_ATA_TRANSLATION_LBA;
2987 else if (!strcmp(p, "auto"))
2988 translation = BIOS_ATA_TRANSLATION_AUTO;
2989 else
2990 goto chs_fail;
2991 } else if (*p != '\0') {
2992 chs_fail:
2993 fprintf(stderr, "qemu: invalid physical CHS format\n");
2994 exit(1);
2995 }
2996 if (hda_opts != NULL) {
2997 char num[16];
2998 snprintf(num, sizeof(num), "%d", cyls);
2999 qemu_opt_set(hda_opts, "cyls", num);
3000 snprintf(num, sizeof(num), "%d", heads);
3001 qemu_opt_set(hda_opts, "heads", num);
3002 snprintf(num, sizeof(num), "%d", secs);
3003 qemu_opt_set(hda_opts, "secs", num);
3004 if (translation == BIOS_ATA_TRANSLATION_LBA)
3005 qemu_opt_set(hda_opts, "trans", "lba");
3006 if (translation == BIOS_ATA_TRANSLATION_NONE)
3007 qemu_opt_set(hda_opts, "trans", "none");
3008 }
3009 }
3010 break;
3011 case QEMU_OPTION_numa:
3012 numa_add(optarg);
3013 break;
3014 case QEMU_OPTION_display:
3015 display_type = select_display(optarg);
3016 break;
3017 case QEMU_OPTION_nographic:
3018 display_type = DT_NOGRAPHIC;
3019 break;
3020 case QEMU_OPTION_curses:
3021 #ifdef CONFIG_CURSES
3022 display_type = DT_CURSES;
3023 #else
3024 fprintf(stderr, "Curses support is disabled\n");
3025 exit(1);
3026 #endif
3027 break;
3028 case QEMU_OPTION_portrait:
3029 graphic_rotate = 90;
3030 break;
3031 case QEMU_OPTION_rotate:
3032 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3033 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3034 graphic_rotate != 180 && graphic_rotate != 270) {
3035 fprintf(stderr,
3036 "qemu: only 90, 180, 270 deg rotation is available\n");
3037 exit(1);
3038 }
3039 break;
3040 case QEMU_OPTION_kernel:
3041 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3042 break;
3043 case QEMU_OPTION_initrd:
3044 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3045 break;
3046 case QEMU_OPTION_append:
3047 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3048 break;
3049 case QEMU_OPTION_dtb:
3050 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3051 break;
3052 case QEMU_OPTION_cdrom:
3053 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3054 break;
3055 case QEMU_OPTION_boot:
3056 {
3057 static const char * const params[] = {
3058 "order", "once", "menu",
3059 "splash", "splash-time",
3060 "reboot-timeout", NULL
3061 };
3062 char buf[sizeof(boot_devices)];
3063 char *standard_boot_devices;
3064 int legacy = 0;
3065
3066 if (!strchr(optarg, '=')) {
3067 legacy = 1;
3068 pstrcpy(buf, sizeof(buf), optarg);
3069 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
3070 fprintf(stderr,
3071 "qemu: unknown boot parameter '%s' in '%s'\n",
3072 buf, optarg);
3073 exit(1);
3074 }
3075
3076 if (legacy ||
3077 get_param_value(buf, sizeof(buf), "order", optarg)) {
3078 validate_bootdevices(buf);
3079 pstrcpy(boot_devices, sizeof(boot_devices), buf);
3080 }
3081 if (!legacy) {
3082 if (get_param_value(buf, sizeof(buf),
3083 "once", optarg)) {
3084 validate_bootdevices(buf);
3085 standard_boot_devices = g_strdup(boot_devices);
3086 pstrcpy(boot_devices, sizeof(boot_devices), buf);
3087 qemu_register_reset(restore_boot_devices,
3088 standard_boot_devices);
3089 }
3090 if (get_param_value(buf, sizeof(buf),
3091 "menu", optarg)) {
3092 if (!strcmp(buf, "on")) {
3093 boot_menu = 1;
3094 } else if (!strcmp(buf, "off")) {
3095 boot_menu = 0;
3096 } else {
3097 fprintf(stderr,
3098 "qemu: invalid option value '%s'\n",
3099 buf);
3100 exit(1);
3101 }
3102 }
3103 qemu_opts_parse(qemu_find_opts("boot-opts"),
3104 optarg, 0);
3105 }
3106 }
3107 break;
3108 case QEMU_OPTION_fda:
3109 case QEMU_OPTION_fdb:
3110 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3111 optarg, FD_OPTS);
3112 break;
3113 case QEMU_OPTION_no_fd_bootchk:
3114 fd_bootchk = 0;
3115 break;
3116 case QEMU_OPTION_netdev:
3117 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3118 exit(1);
3119 }
3120 break;
3121 case QEMU_OPTION_net:
3122 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3123 exit(1);
3124 }
3125 break;
3126 #ifdef CONFIG_LIBISCSI
3127 case QEMU_OPTION_iscsi:
3128 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3129 if (!opts) {
3130 exit(1);
3131 }
3132 break;
3133 #endif
3134 #ifdef CONFIG_SLIRP
3135 case QEMU_OPTION_tftp:
3136 legacy_tftp_prefix = optarg;
3137 break;
3138 case QEMU_OPTION_bootp:
3139 legacy_bootp_filename = optarg;
3140 break;
3141 case QEMU_OPTION_redir:
3142 if (net_slirp_redir(optarg) < 0)
3143 exit(1);
3144 break;
3145 #endif
3146 case QEMU_OPTION_bt:
3147 add_device_config(DEV_BT, optarg);
3148 break;
3149 case QEMU_OPTION_audio_help:
3150 if (!(audio_available())) {
3151 printf("Option %s not supported for this target\n", popt->name);
3152 exit(1);
3153 }
3154 AUD_help ();
3155 exit (0);
3156 break;
3157 case QEMU_OPTION_soundhw:
3158 if (!(audio_available())) {
3159 printf("Option %s not supported for this target\n", popt->name);
3160 exit(1);
3161 }
3162 select_soundhw (optarg);
3163 break;
3164 case QEMU_OPTION_h:
3165 help(0);
3166 break;
3167 case QEMU_OPTION_version:
3168 version();
3169 exit(0);
3170 break;
3171 case QEMU_OPTION_m: {
3172 int64_t value;
3173 uint64_t sz;
3174 char *end;
3175
3176 value = strtosz(optarg, &end);
3177 if (value < 0 || *end) {
3178 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
3179 exit(1);
3180 }
3181 sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
3182 ram_size = sz;
3183 if (ram_size != sz) {
3184 fprintf(stderr, "qemu: ram size too large\n");
3185 exit(1);
3186 }
3187 break;
3188 }
3189 case QEMU_OPTION_mempath:
3190 mem_path = optarg;
3191 break;
3192 #ifdef MAP_POPULATE
3193 case QEMU_OPTION_mem_prealloc:
3194 mem_prealloc = 1;
3195 break;
3196 #endif
3197 case QEMU_OPTION_d:
3198 log_mask = optarg;
3199 break;
3200 case QEMU_OPTION_D:
3201 log_file = optarg;
3202 break;
3203 case QEMU_OPTION_s:
3204 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3205 break;
3206 case QEMU_OPTION_gdb:
3207 add_device_config(DEV_GDB, optarg);
3208 break;
3209 case QEMU_OPTION_L:
3210 data_dir = optarg;
3211 break;
3212 case QEMU_OPTION_bios:
3213 bios_name = optarg;
3214 break;
3215 case QEMU_OPTION_singlestep:
3216 singlestep = 1;
3217 break;
3218 case QEMU_OPTION_S:
3219 autostart = 0;
3220 break;
3221 case QEMU_OPTION_k:
3222 keyboard_layout = optarg;
3223 break;
3224 case QEMU_OPTION_localtime:
3225 rtc_utc = 0;
3226 break;
3227 case QEMU_OPTION_vga:
3228 vga_model = optarg;
3229 default_vga = 0;
3230 break;
3231 case QEMU_OPTION_g:
3232 {
3233 const char *p;
3234 int w, h, depth;
3235 p = optarg;
3236 w = strtol(p, (char **)&p, 10);
3237 if (w <= 0) {
3238 graphic_error:
3239 fprintf(stderr, "qemu: invalid resolution or depth\n");
3240 exit(1);
3241 }
3242 if (*p != 'x')
3243 goto graphic_error;
3244 p++;
3245 h = strtol(p, (char **)&p, 10);
3246 if (h <= 0)
3247 goto graphic_error;
3248 if (*p == 'x') {
3249 p++;
3250 depth = strtol(p, (char **)&p, 10);
3251 if (depth != 8 && depth != 15 && depth != 16 &&
3252 depth != 24 && depth != 32)
3253 goto graphic_error;
3254 } else if (*p == '\0') {
3255 depth = graphic_depth;
3256 } else {
3257 goto graphic_error;
3258 }
3259
3260 graphic_width = w;
3261 graphic_height = h;
3262 graphic_depth = depth;
3263 }
3264 break;
3265 case QEMU_OPTION_echr:
3266 {
3267 char *r;
3268 term_escape_char = strtol(optarg, &r, 0);
3269 if (r == optarg)
3270 printf("Bad argument to echr\n");
3271 break;
3272 }
3273 case QEMU_OPTION_monitor:
3274 monitor_parse(optarg, "readline");
3275 default_monitor = 0;
3276 break;
3277 case QEMU_OPTION_qmp:
3278 monitor_parse(optarg, "control");
3279 default_monitor = 0;
3280 break;
3281 case QEMU_OPTION_mon:
3282 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3283 if (!opts) {
3284 exit(1);
3285 }
3286 default_monitor = 0;
3287 break;
3288 case QEMU_OPTION_chardev:
3289 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3290 if (!opts) {
3291 exit(1);
3292 }
3293 break;
3294 case QEMU_OPTION_fsdev:
3295 olist = qemu_find_opts("fsdev");
3296 if (!olist) {
3297 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3298 exit(1);
3299 }
3300 opts = qemu_opts_parse(olist, optarg, 1);
3301 if (!opts) {
3302 fprintf(stderr, "parse error: %s\n", optarg);
3303 exit(1);
3304 }
3305 break;
3306 case QEMU_OPTION_virtfs: {
3307 QemuOpts *fsdev;
3308 QemuOpts *device;
3309 const char *writeout, *sock_fd, *socket;
3310
3311 olist = qemu_find_opts("virtfs");
3312 if (!olist) {
3313 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3314 exit(1);
3315 }
3316 opts = qemu_opts_parse(olist, optarg, 1);
3317 if (!opts) {
3318 fprintf(stderr, "parse error: %s\n", optarg);
3319 exit(1);
3320 }
3321
3322 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3323 qemu_opt_get(opts, "mount_tag") == NULL) {
3324 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3325 exit(1);
3326 }
3327 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3328 qemu_opt_get(opts, "mount_tag"),
3329 1, NULL);
3330 if (!fsdev) {
3331 fprintf(stderr, "duplicate fsdev id: %s\n",
3332 qemu_opt_get(opts, "mount_tag"));
3333 exit(1);
3334 }
3335
3336 writeout = qemu_opt_get(opts, "writeout");
3337 if (writeout) {
3338 #ifdef CONFIG_SYNC_FILE_RANGE
3339 qemu_opt_set(fsdev, "writeout", writeout);
3340 #else
3341 fprintf(stderr, "writeout=immediate not supported on "
3342 "this platform\n");
3343 exit(1);
3344 #endif
3345 }
3346 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3347 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3348 qemu_opt_set(fsdev, "security_model",
3349 qemu_opt_get(opts, "security_model"));
3350 socket = qemu_opt_get(opts, "socket");
3351 if (socket) {
3352 qemu_opt_set(fsdev, "socket", socket);
3353 }
3354 sock_fd = qemu_opt_get(opts, "sock_fd");
3355 if (sock_fd) {
3356 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3357 }
3358
3359 qemu_opt_set_bool(fsdev, "readonly",
3360 qemu_opt_get_bool(opts, "readonly", 0));
3361 device = qemu_opts_create_nofail(qemu_find_opts("device"));
3362 qemu_opt_set(device, "driver", "virtio-9p-pci");
3363 qemu_opt_set(device, "fsdev",
3364 qemu_opt_get(opts, "mount_tag"));
3365 qemu_opt_set(device, "mount_tag",
3366 qemu_opt_get(opts, "mount_tag"));
3367 break;
3368 }
3369 case QEMU_OPTION_virtfs_synth: {
3370 QemuOpts *fsdev;
3371 QemuOpts *device;
3372
3373 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3374 1, NULL);
3375 if (!fsdev) {
3376 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3377 exit(1);
3378 }
3379 qemu_opt_set(fsdev, "fsdriver", "synth");
3380
3381 device = qemu_opts_create_nofail(qemu_find_opts("device"));
3382 qemu_opt_set(device, "driver", "virtio-9p-pci");
3383 qemu_opt_set(device, "fsdev", "v_synth");
3384 qemu_opt_set(device, "mount_tag", "v_synth");
3385 break;
3386 }
3387 case QEMU_OPTION_serial:
3388 add_device_config(DEV_SERIAL, optarg);
3389 default_serial = 0;
3390 if (strncmp(optarg, "mon:", 4) == 0) {
3391 default_monitor = 0;
3392 }
3393 break;
3394 case QEMU_OPTION_watchdog:
3395 if (watchdog) {
3396 fprintf(stderr,
3397 "qemu: only one watchdog option may be given\n");
3398 return 1;
3399 }
3400 watchdog = optarg;
3401 break;
3402 case QEMU_OPTION_watchdog_action:
3403 if (select_watchdog_action(optarg) == -1) {
3404 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3405 exit(1);
3406 }
3407 break;
3408 case QEMU_OPTION_virtiocon:
3409 add_device_config(DEV_VIRTCON, optarg);
3410 default_virtcon = 0;
3411 if (strncmp(optarg, "mon:", 4) == 0) {
3412 default_monitor = 0;
3413 }
3414 break;
3415 case QEMU_OPTION_parallel:
3416 add_device_config(DEV_PARALLEL, optarg);
3417 default_parallel = 0;
3418 if (strncmp(optarg, "mon:", 4) == 0) {
3419 default_monitor = 0;
3420 }
3421 break;
3422 case QEMU_OPTION_debugcon:
3423 add_device_config(DEV_DEBUGCON, optarg);
3424 break;
3425 case QEMU_OPTION_loadvm:
3426 loadvm = optarg;
3427 break;
3428 case QEMU_OPTION_full_screen:
3429 full_screen = 1;
3430 break;
3431 #ifdef CONFIG_SDL
3432 case QEMU_OPTION_no_frame:
3433 no_frame = 1;
3434 break;
3435 case QEMU_OPTION_alt_grab:
3436 alt_grab = 1;
3437 break;
3438 case QEMU_OPTION_ctrl_grab:
3439 ctrl_grab = 1;
3440 break;
3441 case QEMU_OPTION_no_quit:
3442 no_quit = 1;
3443 break;
3444 case QEMU_OPTION_sdl:
3445 display_type = DT_SDL;
3446 break;
3447 #else
3448 case QEMU_OPTION_no_frame:
3449 case QEMU_OPTION_alt_grab:
3450 case QEMU_OPTION_ctrl_grab:
3451 case QEMU_OPTION_no_quit:
3452 case QEMU_OPTION_sdl:
3453 fprintf(stderr, "SDL support is disabled\n");
3454 exit(1);
3455 #endif
3456 case QEMU_OPTION_pidfile:
3457 pid_file = optarg;
3458 break;
3459 case QEMU_OPTION_win2k_hack:
3460 win2k_install_hack = 1;
3461 break;
3462 case QEMU_OPTION_rtc_td_hack: {
3463 static GlobalProperty slew_lost_ticks[] = {
3464 {
3465 .driver = "mc146818rtc",
3466 .property = "lost_tick_policy",
3467 .value = "slew",
3468 },
3469 { /* end of list */ }
3470 };
3471
3472 qdev_prop_register_global_list(slew_lost_ticks);
3473 break;
3474 }
3475 case QEMU_OPTION_acpitable:
3476 do_acpitable_option(optarg);
3477 break;
3478 case QEMU_OPTION_smbios:
3479 do_smbios_option(optarg);
3480 break;
3481 case QEMU_OPTION_enable_kvm:
3482 olist = qemu_find_opts("machine");
3483 qemu_opts_parse(olist, "accel=kvm", 0);
3484 break;
3485 case QEMU_OPTION_machine:
3486 olist = qemu_find_opts("machine");
3487 opts = qemu_opts_parse(olist, optarg, 1);
3488 if (!opts) {
3489 fprintf(stderr, "parse error: %s\n", optarg);
3490 exit(1);
3491 }
3492 optarg = qemu_opt_get(opts, "type");
3493 if (optarg) {
3494 machine = machine_parse(optarg);
3495 }
3496 break;
3497 case QEMU_OPTION_no_kvm:
3498 olist = qemu_find_opts("machine");
3499 qemu_opts_parse(olist, "accel=tcg", 0);
3500 break;
3501 case QEMU_OPTION_no_kvm_pit: {
3502 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3503 "separately.\n");
3504 break;
3505 }
3506 case QEMU_OPTION_no_kvm_pit_reinjection: {
3507 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3508 {
3509 .driver = "kvm-pit",
3510 .property = "lost_tick_policy",
3511 .value = "discard",
3512 },
3513 { /* end of list */ }
3514 };
3515
3516 fprintf(stderr, "Warning: option deprecated, use "
3517 "lost_tick_policy property of kvm-pit instead.\n");
3518 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3519 break;
3520 }
3521 case QEMU_OPTION_usb:
3522 olist = qemu_find_opts("machine");
3523 qemu_opts_parse(olist, "usb=on", 0);
3524 break;
3525 case QEMU_OPTION_usbdevice:
3526 olist = qemu_find_opts("machine");
3527 qemu_opts_parse(olist, "usb=on", 0);
3528 add_device_config(DEV_USB, optarg);
3529 break;
3530 case QEMU_OPTION_device:
3531 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3532 exit(1);
3533 }
3534 break;
3535 case QEMU_OPTION_smp:
3536 smp_parse(optarg);
3537 if (smp_cpus < 1) {
3538 fprintf(stderr, "Invalid number of CPUs\n");
3539 exit(1);
3540 }
3541 if (max_cpus < smp_cpus) {
3542 fprintf(stderr, "maxcpus must be equal to or greater than "
3543 "smp\n");
3544 exit(1);
3545 }
3546 if (max_cpus > 255) {
3547 fprintf(stderr, "Unsupported number of maxcpus\n");
3548 exit(1);
3549 }
3550 break;
3551 case QEMU_OPTION_vnc:
3552 #ifdef CONFIG_VNC
3553 display_remote++;
3554 vnc_display = optarg;
3555 #else
3556 fprintf(stderr, "VNC support is disabled\n");
3557 exit(1);
3558 #endif
3559 break;
3560 case QEMU_OPTION_no_acpi:
3561 acpi_enabled = 0;
3562 break;
3563 case QEMU_OPTION_no_hpet:
3564 no_hpet = 1;
3565 break;
3566 case QEMU_OPTION_balloon:
3567 if (balloon_parse(optarg) < 0) {
3568 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3569 exit(1);
3570 }
3571 break;
3572 case QEMU_OPTION_no_reboot:
3573 no_reboot = 1;
3574 break;
3575 case QEMU_OPTION_no_shutdown:
3576 no_shutdown = 1;
3577 break;
3578 case QEMU_OPTION_show_cursor:
3579 cursor_hide = 0;
3580 break;
3581 case QEMU_OPTION_uuid:
3582 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3583 fprintf(stderr, "Fail to parse UUID string."
3584 " Wrong format.\n");
3585 exit(1);
3586 }
3587 break;
3588 case QEMU_OPTION_option_rom:
3589 if (nb_option_roms >= MAX_OPTION_ROMS) {
3590 fprintf(stderr, "Too many option ROMs\n");
3591 exit(1);
3592 }
3593 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3594 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3595 option_rom[nb_option_roms].bootindex =
3596 qemu_opt_get_number(opts, "bootindex", -1);
3597 if (!option_rom[nb_option_roms].name) {
3598 fprintf(stderr, "Option ROM file is not specified\n");
3599 exit(1);
3600 }
3601 nb_option_roms++;
3602 break;
3603 case QEMU_OPTION_semihosting:
3604 semihosting_enabled = 1;
3605 break;
3606 case QEMU_OPTION_tdf:
3607 fprintf(stderr, "Warning: user space PIT time drift fix "
3608 "is no longer supported.\n");
3609 break;
3610 case QEMU_OPTION_name:
3611 qemu_name = g_strdup(optarg);
3612 {
3613 char *p = strchr(qemu_name, ',');
3614 if (p != NULL) {
3615 *p++ = 0;
3616 if (strncmp(p, "process=", 8)) {
3617 fprintf(stderr, "Unknown subargument %s to -name\n", p);
3618 exit(1);
3619 }
3620 p += 8;
3621 os_set_proc_name(p);
3622 }
3623 }
3624 break;
3625 case QEMU_OPTION_prom_env:
3626 if (nb_prom_envs >= MAX_PROM_ENVS) {
3627 fprintf(stderr, "Too many prom variables\n");
3628 exit(1);
3629 }
3630 prom_envs[nb_prom_envs] = optarg;
3631 nb_prom_envs++;
3632 break;
3633 case QEMU_OPTION_old_param:
3634 old_param = 1;
3635 break;
3636 case QEMU_OPTION_clock:
3637 configure_alarms(optarg);
3638 break;
3639 case QEMU_OPTION_startdate:
3640 configure_rtc_date_offset(optarg, 1);
3641 break;
3642 case QEMU_OPTION_rtc:
3643 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3644 if (!opts) {
3645 exit(1);
3646 }
3647 configure_rtc(opts);
3648 break;
3649 case QEMU_OPTION_tb_size:
3650 tcg_tb_size = strtol(optarg, NULL, 0);
3651 if (tcg_tb_size < 0) {
3652 tcg_tb_size = 0;
3653 }
3654 break;
3655 case QEMU_OPTION_icount:
3656 icount_option = optarg;
3657 break;
3658 case QEMU_OPTION_incoming:
3659 incoming = optarg;
3660 runstate_set(RUN_STATE_INMIGRATE);
3661 break;
3662 case QEMU_OPTION_nodefaults:
3663 default_serial = 0;
3664 default_parallel = 0;
3665 default_virtcon = 0;
3666 default_sclp = 0;
3667 default_monitor = 0;
3668 default_net = 0;
3669 default_floppy = 0;
3670 default_cdrom = 0;
3671 default_sdcard = 0;
3672 default_vga = 0;
3673 break;
3674 case QEMU_OPTION_xen_domid:
3675 if (!(xen_available())) {
3676 printf("Option %s not supported for this target\n", popt->name);
3677 exit(1);
3678 }
3679 xen_domid = atoi(optarg);
3680 break;
3681 case QEMU_OPTION_xen_create:
3682 if (!(xen_available())) {
3683 printf("Option %s not supported for this target\n", popt->name);
3684 exit(1);
3685 }
3686 xen_mode = XEN_CREATE;
3687 break;
3688 case QEMU_OPTION_xen_attach:
3689 if (!(xen_available())) {
3690 printf("Option %s not supported for this target\n", popt->name);
3691 exit(1);
3692 }
3693 xen_mode = XEN_ATTACH;
3694 break;
3695 case QEMU_OPTION_trace:
3696 {
3697 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3698 if (!opts) {
3699 exit(1);
3700 }
3701 trace_events = qemu_opt_get(opts, "events");
3702 trace_file = qemu_opt_get(opts, "file");
3703 break;
3704 }
3705 case QEMU_OPTION_readconfig:
3706 {
3707 int ret = qemu_read_config_file(optarg);
3708 if (ret < 0) {
3709 fprintf(stderr, "read config %s: %s\n", optarg,
3710 strerror(-ret));
3711 exit(1);
3712 }
3713 break;
3714 }
3715 case QEMU_OPTION_spice:
3716 olist = qemu_find_opts("spice");
3717 if (!olist) {
3718 fprintf(stderr, "spice is not supported by this qemu build.\n");
3719 exit(1);
3720 }
3721 opts = qemu_opts_parse(olist, optarg, 0);
3722 if (!opts) {
3723 fprintf(stderr, "parse error: %s\n", optarg);
3724 exit(1);
3725 }
3726 break;
3727 case QEMU_OPTION_writeconfig:
3728 {
3729 FILE *fp;
3730 if (strcmp(optarg, "-") == 0) {
3731 fp = stdout;
3732 } else {
3733 fp = fopen(optarg, "w");
3734 if (fp == NULL) {
3735 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3736 exit(1);
3737 }
3738 }
3739 qemu_config_write(fp);
3740 fclose(fp);
3741 break;
3742 }
3743 case QEMU_OPTION_qtest:
3744 qtest_chrdev = optarg;
3745 break;
3746 case QEMU_OPTION_qtest_log:
3747 qtest_log = optarg;
3748 break;
3749 case QEMU_OPTION_sandbox:
3750 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3751 if (!opts) {
3752 exit(0);
3753 }
3754 break;
3755 case QEMU_OPTION_add_fd:
3756 #ifndef _WIN32
3757 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3758 if (!opts) {
3759 exit(0);
3760 }
3761 #else
3762 error_report("File descriptor passing is disabled on this "
3763 "platform");
3764 exit(1);
3765 #endif
3766 break;
3767 case QEMU_OPTION_object:
3768 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3769 break;
3770 default:
3771 os_parse_cmd_args(popt->index, optarg);
3772 }
3773 }
3774 }
3775 loc_set_none();
3776
3777 if (qemu_init_main_loop()) {
3778 fprintf(stderr, "qemu_init_main_loop failed\n");
3779 exit(1);
3780 }
3781
3782 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3783 exit(1);
3784 }
3785
3786 #ifndef _WIN32
3787 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3788 exit(1);
3789 }
3790
3791 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3792 exit(1);
3793 }
3794 #endif
3795
3796 if (machine == NULL) {
3797 fprintf(stderr, "No machine found.\n");
3798 exit(1);
3799 }
3800
3801 if (machine->hw_version) {
3802 qemu_set_version(machine->hw_version);
3803 }
3804
3805 if (qemu_opts_foreach(qemu_find_opts("object"),
3806 object_create, NULL, 0) != 0) {
3807 exit(1);
3808 }
3809
3810 /* Init CPU def lists, based on config
3811 * - Must be called after all the qemu_read_config_file() calls
3812 * - Must be called before list_cpus()
3813 * - Must be called before machine->init()
3814 */
3815 cpudef_init();
3816
3817 if (cpu_model && is_help_option(cpu_model)) {
3818 list_cpus(stdout, &fprintf, cpu_model);
3819 exit(0);
3820 }
3821
3822 /* Open the logfile at this point, if necessary. We can't open the logfile
3823 * when encountering either of the logging options (-d or -D) because the
3824 * other one may be encountered later on the command line, changing the
3825 * location or level of logging.
3826 */
3827 if (log_mask) {
3828 if (log_file) {
3829 set_cpu_log_filename(log_file);
3830 }
3831 set_cpu_log(log_mask);
3832 }
3833
3834 if (!trace_backend_init(trace_events, trace_file)) {
3835 exit(1);
3836 }
3837
3838 /* If no data_dir is specified then try to find it relative to the
3839 executable path. */
3840 if (!data_dir) {
3841 data_dir = os_find_datadir(argv[0]);
3842 }
3843 /* If all else fails use the install path specified when building. */
3844 if (!data_dir) {
3845 data_dir = CONFIG_QEMU_DATADIR;
3846 }
3847
3848 /*
3849 * Default to max_cpus = smp_cpus, in case the user doesn't
3850 * specify a max_cpus value.
3851 */
3852 if (!max_cpus)
3853 max_cpus = smp_cpus;
3854
3855 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3856 if (smp_cpus > machine->max_cpus) {
3857 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3858 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
3859 machine->max_cpus);
3860 exit(1);
3861 }
3862
3863 /*
3864 * Get the default machine options from the machine if it is not already
3865 * specified either by the configuration file or by the command line.
3866 */
3867 if (machine->default_machine_opts) {
3868 qemu_opts_set_defaults(qemu_find_opts("machine"),
3869 machine->default_machine_opts, 0);
3870 }
3871
3872 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3873 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3874
3875 if (machine->no_serial) {
3876 default_serial = 0;
3877 }
3878 if (machine->no_parallel) {
3879 default_parallel = 0;
3880 }
3881 if (!machine->use_virtcon) {
3882 default_virtcon = 0;
3883 }
3884 if (!machine->use_sclp) {
3885 default_sclp = 0;
3886 }
3887 if (machine->no_floppy) {
3888 default_floppy = 0;
3889 }
3890 if (machine->no_cdrom) {
3891 default_cdrom = 0;
3892 }
3893 if (machine->no_sdcard) {
3894 default_sdcard = 0;
3895 }
3896
3897 if (is_daemonized()) {
3898 /* According to documentation and historically, -nographic redirects
3899 * serial port, parallel port and monitor to stdio, which does not work
3900 * with -daemonize. We can redirect these to null instead, but since
3901 * -nographic is legacy, let's just error out.
3902 * We disallow -nographic only if all other ports are not redirected
3903 * explicitly, to not break existing legacy setups which uses
3904 * -nographic _and_ redirects all ports explicitly - this is valid
3905 * usage, -nographic is just a no-op in this case.
3906 */
3907 if (display_type == DT_NOGRAPHIC
3908 && (default_parallel || default_serial
3909 || default_monitor || default_virtcon)) {
3910 fprintf(stderr, "-nographic can not be used with -daemonize\n");
3911 exit(1);
3912 }
3913 #ifdef CONFIG_CURSES
3914 if (display_type == DT_CURSES) {
3915 fprintf(stderr, "curses display can not be used with -daemonize\n");
3916 exit(1);
3917 }
3918 #endif
3919 }
3920
3921 if (display_type == DT_NOGRAPHIC) {
3922 if (default_parallel)
3923 add_device_config(DEV_PARALLEL, "null");
3924 if (default_serial && default_monitor) {
3925 add_device_config(DEV_SERIAL, "mon:stdio");
3926 } else if (default_virtcon && default_monitor) {
3927 add_device_config(DEV_VIRTCON, "mon:stdio");
3928 } else if (default_sclp && default_monitor) {
3929 add_device_config(DEV_SCLP, "mon:stdio");
3930 } else {
3931 if (default_serial)
3932 add_device_config(DEV_SERIAL, "stdio");
3933 if (default_virtcon)
3934 add_device_config(DEV_VIRTCON, "stdio");
3935 if (default_sclp) {
3936 add_device_config(DEV_SCLP, "stdio");
3937 }
3938 if (default_monitor)
3939 monitor_parse("stdio", "readline");
3940 }
3941 } else {
3942 if (default_serial)
3943 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3944 if (default_parallel)
3945 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3946 if (default_monitor)
3947 monitor_parse("vc:80Cx24C", "readline");
3948 if (default_virtcon)
3949 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3950 if (default_sclp) {
3951 add_device_config(DEV_SCLP, "vc:80Cx24C");
3952 }
3953 }
3954
3955 socket_init();
3956
3957 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3958 exit(1);
3959 #ifdef CONFIG_VIRTFS
3960 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3961 exit(1);
3962 }
3963 #endif
3964
3965 os_daemonize();
3966
3967 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3968 os_pidfile_error();
3969 exit(1);
3970 }
3971
3972 /* init the memory */
3973 if (ram_size == 0) {
3974 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3975 }
3976
3977 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
3978 != 0) {
3979 exit(0);
3980 }
3981
3982 configure_accelerator();
3983
3984 machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3985 if (machine_opts) {
3986 kernel_filename = qemu_opt_get(machine_opts, "kernel");
3987 initrd_filename = qemu_opt_get(machine_opts, "initrd");
3988 kernel_cmdline = qemu_opt_get(machine_opts, "append");
3989 } else {
3990 kernel_filename = initrd_filename = kernel_cmdline = NULL;
3991 }
3992
3993 if (!kernel_cmdline) {
3994 kernel_cmdline = "";
3995 }
3996
3997 linux_boot = (kernel_filename != NULL);
3998
3999 if (!linux_boot && *kernel_cmdline != '\0') {
4000 fprintf(stderr, "-append only allowed with -kernel option\n");
4001 exit(1);
4002 }
4003
4004 if (!linux_boot && initrd_filename != NULL) {
4005 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4006 exit(1);
4007 }
4008
4009 if (!linux_boot && machine_opts && qemu_opt_get(machine_opts, "dtb")) {
4010 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4011 exit(1);
4012 }
4013
4014 os_set_line_buffering();
4015
4016 qemu_init_cpu_loop();
4017 qemu_mutex_lock_iothread();
4018
4019 #ifdef CONFIG_SPICE
4020 /* spice needs the timers to be initialized by this point */
4021 qemu_spice_init();
4022 #endif
4023
4024 if (icount_option && (kvm_enabled() || xen_enabled())) {
4025 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4026 exit(1);
4027 }
4028 configure_icount(icount_option);
4029
4030 /* clean up network at qemu process termination */
4031 atexit(&net_cleanup);
4032
4033 if (net_init_clients() < 0) {
4034 exit(1);
4035 }
4036
4037 /* init the bluetooth world */
4038 if (foreach_device_config(DEV_BT, bt_parse))
4039 exit(1);
4040
4041 if (!xen_enabled()) {
4042 /* On 32-bit hosts, QEMU is limited by virtual address space */
4043 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4044 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4045 exit(1);
4046 }
4047 }
4048
4049 cpu_exec_init_all();
4050
4051 bdrv_init_with_whitelist();
4052
4053 blk_mig_init();
4054
4055 /* open the virtual block devices */
4056 if (snapshot)
4057 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4058 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4059 &machine->block_default_type, 1) != 0) {
4060 exit(1);
4061 }
4062
4063 default_drive(default_cdrom, snapshot, machine->block_default_type, 2,
4064 CDROM_OPTS);
4065 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4066 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4067
4068 register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
4069
4070 if (nb_numa_nodes > 0) {
4071 int i;
4072
4073 if (nb_numa_nodes > MAX_NODES) {
4074 nb_numa_nodes = MAX_NODES;
4075 }
4076
4077 /* If no memory size if given for any node, assume the default case
4078 * and distribute the available memory equally across all nodes
4079 */
4080 for (i = 0; i < nb_numa_nodes; i++) {
4081 if (node_mem[i] != 0)
4082 break;
4083 }
4084 if (i == nb_numa_nodes) {
4085 uint64_t usedmem = 0;
4086
4087 /* On Linux, the each node's border has to be 8MB aligned,
4088 * the final node gets the rest.
4089 */
4090 for (i = 0; i < nb_numa_nodes - 1; i++) {
4091 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
4092 usedmem += node_mem[i];
4093 }
4094 node_mem[i] = ram_size - usedmem;
4095 }
4096
4097 for (i = 0; i < nb_numa_nodes; i++) {
4098 if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
4099 break;
4100 }
4101 }
4102 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4103 * must cope with this anyway, because there are BIOSes out there in
4104 * real machines which also use this scheme.
4105 */
4106 if (i == nb_numa_nodes) {
4107 for (i = 0; i < max_cpus; i++) {
4108 set_bit(i, node_cpumask[i % nb_numa_nodes]);
4109 }
4110 }
4111 }
4112
4113 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4114 exit(1);
4115 }
4116
4117 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4118 exit(1);
4119 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4120 exit(1);
4121 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4122 exit(1);
4123 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4124 exit(1);
4125 }
4126 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4127 exit(1);
4128
4129 /* If no default VGA is requested, the default is "none". */
4130 if (default_vga) {
4131 if (cirrus_vga_available()) {
4132 vga_model = "cirrus";
4133 } else if (vga_available()) {
4134 vga_model = "std";
4135 }
4136 }
4137 select_vgahw(vga_model);
4138
4139 if (watchdog) {
4140 i = select_watchdog(watchdog);
4141 if (i > 0)
4142 exit (i == 1 ? 1 : 0);
4143 }
4144
4145 if (machine->compat_props) {
4146 qdev_prop_register_global_list(machine->compat_props);
4147 }
4148 qemu_add_globals();
4149
4150 qdev_machine_init();
4151
4152 QEMUMachineInitArgs args = { .ram_size = ram_size,
4153 .boot_device = (boot_devices[0] == '\0') ?
4154 machine->boot_order :
4155 boot_devices,
4156 .kernel_filename = kernel_filename,
4157 .kernel_cmdline = kernel_cmdline,
4158 .initrd_filename = initrd_filename,
4159 .cpu_model = cpu_model };
4160 machine->init(&args);
4161
4162 cpu_synchronize_all_post_init();
4163
4164 set_numa_modes();
4165
4166 current_machine = machine;
4167
4168 /* init USB devices */
4169 if (usb_enabled(false)) {
4170 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4171 exit(1);
4172 }
4173
4174 /* init generic devices */
4175 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4176 exit(1);
4177
4178 net_check_clients();
4179
4180 /* just use the first displaystate for the moment */
4181 ds = get_displaystate();
4182
4183 if (using_spice)
4184 display_remote++;
4185 if (display_type == DT_DEFAULT && !display_remote) {
4186 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4187 display_type = DT_SDL;
4188 #elif defined(CONFIG_VNC)
4189 vnc_display = "localhost:0,to=99";
4190 show_vnc_port = 1;
4191 #else
4192 display_type = DT_NONE;
4193 #endif
4194 }
4195
4196
4197 /* init local displays */
4198 switch (display_type) {
4199 case DT_NOGRAPHIC:
4200 break;
4201 #if defined(CONFIG_CURSES)
4202 case DT_CURSES:
4203 curses_display_init(ds, full_screen);
4204 break;
4205 #endif
4206 #if defined(CONFIG_SDL)
4207 case DT_SDL:
4208 sdl_display_init(ds, full_screen, no_frame);
4209 break;
4210 #elif defined(CONFIG_COCOA)
4211 case DT_SDL:
4212 cocoa_display_init(ds, full_screen);
4213 break;
4214 #endif
4215 default:
4216 break;
4217 }
4218
4219 /* must be after terminal init, SDL library changes signal handlers */
4220 os_setup_signal_handling();
4221
4222 #ifdef CONFIG_VNC
4223 /* init remote displays */
4224 if (vnc_display) {
4225 Error *local_err = NULL;
4226 vnc_display_init(ds);
4227 vnc_display_open(ds, vnc_display, &local_err);
4228 if (local_err != NULL) {
4229 fprintf(stderr, "Failed to start VNC server on `%s': %s\n",
4230 vnc_display, error_get_pretty(local_err));
4231 error_free(local_err);
4232 exit(1);
4233 }
4234
4235 if (show_vnc_port) {
4236 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4237 }
4238 }
4239 #endif
4240 #ifdef CONFIG_SPICE
4241 if (using_spice && !qxl_enabled) {
4242 qemu_spice_display_init(ds);
4243 }
4244 #endif
4245
4246 /* display setup */
4247 text_consoles_set_display(ds);
4248
4249 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4250 exit(1);
4251 }
4252
4253 qdev_machine_creation_done();
4254
4255 if (rom_load_all() != 0) {
4256 fprintf(stderr, "rom loading failed\n");
4257 exit(1);
4258 }
4259
4260 /* TODO: once all bus devices are qdevified, this should be done
4261 * when bus is created by qdev.c */
4262 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4263 qemu_run_machine_init_done_notifiers();
4264
4265 qemu_system_reset(VMRESET_SILENT);
4266 if (loadvm) {
4267 if (load_vmstate(loadvm) < 0) {
4268 autostart = 0;
4269 }
4270 }
4271
4272 if (incoming) {
4273 Error *local_err = NULL;
4274 qemu_start_incoming_migration(incoming, &local_err);
4275 if (local_err) {
4276 fprintf(stderr, "-incoming %s: %s\n", incoming, error_get_pretty(local_err));
4277 error_free(local_err);
4278 exit(1);
4279 }
4280 } else if (autostart) {
4281 vm_start();
4282 }
4283
4284 os_setup_post();
4285
4286 resume_all_vcpus();
4287 main_loop();
4288 bdrv_close_all();
4289 pause_all_vcpus();
4290 res_free();
4291
4292 return 0;
4293 }
Qemu copy for testing