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virtio-net: switch tx to safe iov functions
[qemu/ar7.git] / vl.c
blob6dd767cb309709df81b28dd4837ab237ad9c03a0
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 "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 "qemu-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-host.h"
130 #include "net.h"
131 #include "net/slirp.h"
132 #include "monitor.h"
133 #include "console.h"
134 #include "sysemu.h"
135 #include "gdbstub.h"
136 #include "qemu-timer.h"
137 #include "qemu-char.h"
138 #include "cache-utils.h"
139 #include "blockdev.h"
140 #include "hw/block-common.h"
141 #include "block-migration.h"
142 #include "dma.h"
143 #include "audio/audio.h"
144 #include "migration.h"
145 #include "kvm.h"
146 #include "qjson.h"
147 #include "qemu-option.h"
148 #include "qemu-config.h"
149 #include "qemu-options.h"
150 #include "qmp-commands.h"
151 #include "main-loop.h"
152 #ifdef CONFIG_VIRTFS
153 #include "fsdev/qemu-fsdev.h"
154 #endif
155 #include "qtest.h"
156
157 #include "disas.h"
158
159 #include "qemu_socket.h"
160
161 #include "slirp/libslirp.h"
162
163 #include "trace.h"
164 #include "trace/control.h"
165 #include "qemu-queue.h"
166 #include "cpus.h"
167 #include "arch_init.h"
168 #include "osdep.h"
169
170 #include "ui/qemu-spice.h"
171
172 //#define DEBUG_NET
173 //#define DEBUG_SLIRP
174
175 #define DEFAULT_RAM_SIZE 128
176
177 #define MAX_VIRTIO_CONSOLES 1
178
179 static const char *data_dir;
180 const char *bios_name = NULL;
181 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
182 DisplayType display_type = DT_DEFAULT;
183 int display_remote = 0;
184 const char* keyboard_layout = NULL;
185 ram_addr_t ram_size;
186 const char *mem_path = NULL;
187 #ifdef MAP_POPULATE
188 int mem_prealloc = 0; /* force preallocation of physical target memory */
189 #endif
190 int nb_nics;
191 NICInfo nd_table[MAX_NICS];
192 int autostart;
193 static int rtc_utc = 1;
194 static int rtc_date_offset = -1; /* -1 means no change */
195 QEMUClock *rtc_clock;
196 int vga_interface_type = VGA_NONE;
197 static int full_screen = 0;
198 #ifdef CONFIG_SDL
199 static int no_frame = 0;
200 #endif
201 int no_quit = 0;
202 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
203 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
204 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
205 int win2k_install_hack = 0;
206 int singlestep = 0;
207 int smp_cpus = 1;
208 int max_cpus = 0;
209 int smp_cores = 1;
210 int smp_threads = 1;
211 #ifdef CONFIG_VNC
212 const char *vnc_display;
213 #endif
214 int acpi_enabled = 1;
215 int no_hpet = 0;
216 int fd_bootchk = 1;
217 int no_reboot = 0;
218 int no_shutdown = 0;
219 int cursor_hide = 1;
220 int graphic_rotate = 0;
221 const char *watchdog;
222 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
223 int nb_option_roms;
224 int semihosting_enabled = 0;
225 int old_param = 0;
226 const char *qemu_name;
227 int alt_grab = 0;
228 int ctrl_grab = 0;
229 unsigned int nb_prom_envs = 0;
230 const char *prom_envs[MAX_PROM_ENVS];
231 int boot_menu;
232 uint8_t *boot_splash_filedata;
233 int boot_splash_filedata_size;
234 uint8_t qemu_extra_params_fw[2];
235
236 typedef struct FWBootEntry FWBootEntry;
237
238 struct FWBootEntry {
239 QTAILQ_ENTRY(FWBootEntry) link;
240 int32_t bootindex;
241 DeviceState *dev;
242 char *suffix;
243 };
244
245 QTAILQ_HEAD(, FWBootEntry) fw_boot_order = QTAILQ_HEAD_INITIALIZER(fw_boot_order);
246
247 int nb_numa_nodes;
248 uint64_t node_mem[MAX_NODES];
249 unsigned long *node_cpumask[MAX_NODES];
250
251 uint8_t qemu_uuid[16];
252
253 static QEMUBootSetHandler *boot_set_handler;
254 static void *boot_set_opaque;
255
256 static NotifierList exit_notifiers =
257 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
258
259 static NotifierList machine_init_done_notifiers =
260 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
261
262 static int tcg_allowed = 1;
263 int kvm_allowed = 0;
264 int xen_allowed = 0;
265 uint32_t xen_domid;
266 enum xen_mode xen_mode = XEN_EMULATE;
267 static int tcg_tb_size;
268
269 static int default_serial = 1;
270 static int default_parallel = 1;
271 static int default_virtcon = 1;
272 static int default_monitor = 1;
273 static int default_floppy = 1;
274 static int default_cdrom = 1;
275 static int default_sdcard = 1;
276 static int default_vga = 1;
277
278 static struct {
279 const char *driver;
280 int *flag;
281 } default_list[] = {
282 { .driver = "isa-serial", .flag = &default_serial },
283 { .driver = "isa-parallel", .flag = &default_parallel },
284 { .driver = "isa-fdc", .flag = &default_floppy },
285 { .driver = "ide-cd", .flag = &default_cdrom },
286 { .driver = "ide-hd", .flag = &default_cdrom },
287 { .driver = "ide-drive", .flag = &default_cdrom },
288 { .driver = "scsi-cd", .flag = &default_cdrom },
289 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
290 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
291 { .driver = "virtio-serial", .flag = &default_virtcon },
292 { .driver = "VGA", .flag = &default_vga },
293 { .driver = "isa-vga", .flag = &default_vga },
294 { .driver = "cirrus-vga", .flag = &default_vga },
295 { .driver = "isa-cirrus-vga", .flag = &default_vga },
296 { .driver = "vmware-svga", .flag = &default_vga },
297 { .driver = "qxl-vga", .flag = &default_vga },
298 };
299
300 const char *qemu_get_vm_name(void)
301 {
302 return qemu_name;
303 }
304
305 static void res_free(void)
306 {
307 if (boot_splash_filedata != NULL) {
308 g_free(boot_splash_filedata);
309 boot_splash_filedata = NULL;
310 }
311 }
312
313 static int default_driver_check(QemuOpts *opts, void *opaque)
314 {
315 const char *driver = qemu_opt_get(opts, "driver");
316 int i;
317
318 if (!driver)
319 return 0;
320 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
321 if (strcmp(default_list[i].driver, driver) != 0)
322 continue;
323 *(default_list[i].flag) = 0;
324 }
325 return 0;
326 }
327
328 /***********************************************************/
329 /* QEMU state */
330
331 static RunState current_run_state = RUN_STATE_PRELAUNCH;
332
333 typedef struct {
334 RunState from;
335 RunState to;
336 } RunStateTransition;
337
338 static const RunStateTransition runstate_transitions_def[] = {
339 /* from -> to */
340 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
341
342 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
343 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
344
345 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
346 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
347
348 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
349 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
350
351 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
352 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
353
354 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
355 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
356
357 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
358 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
359 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
360
361 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
362 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
363
364 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
365
366 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
367 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
368 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
369 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
370 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
371 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
372 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
373 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
374 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
375
376 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
377
378 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
379 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
380
381 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
382 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
383 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
384 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
385
386 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
387 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
388
389 { RUN_STATE_MAX, RUN_STATE_MAX },
390 };
391
392 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
393
394 bool runstate_check(RunState state)
395 {
396 return current_run_state == state;
397 }
398
399 void runstate_init(void)
400 {
401 const RunStateTransition *p;
402
403 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
404
405 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
406 runstate_valid_transitions[p->from][p->to] = true;
407 }
408 }
409
410 /* This function will abort() on invalid state transitions */
411 void runstate_set(RunState new_state)
412 {
413 assert(new_state < RUN_STATE_MAX);
414
415 if (!runstate_valid_transitions[current_run_state][new_state]) {
416 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
417 RunState_lookup[current_run_state],
418 RunState_lookup[new_state]);
419 abort();
420 }
421
422 current_run_state = new_state;
423 }
424
425 int runstate_is_running(void)
426 {
427 return runstate_check(RUN_STATE_RUNNING);
428 }
429
430 StatusInfo *qmp_query_status(Error **errp)
431 {
432 StatusInfo *info = g_malloc0(sizeof(*info));
433
434 info->running = runstate_is_running();
435 info->singlestep = singlestep;
436 info->status = current_run_state;
437
438 return info;
439 }
440
441 /***********************************************************/
442 /* real time host monotonic timer */
443
444 /***********************************************************/
445 /* host time/date access */
446 void qemu_get_timedate(struct tm *tm, int offset)
447 {
448 time_t ti;
449 struct tm *ret;
450
451 time(&ti);
452 ti += offset;
453 if (rtc_date_offset == -1) {
454 if (rtc_utc)
455 ret = gmtime(&ti);
456 else
457 ret = localtime(&ti);
458 } else {
459 ti -= rtc_date_offset;
460 ret = gmtime(&ti);
461 }
462
463 memcpy(tm, ret, sizeof(struct tm));
464 }
465
466 int qemu_timedate_diff(struct tm *tm)
467 {
468 time_t seconds;
469
470 if (rtc_date_offset == -1)
471 if (rtc_utc)
472 seconds = mktimegm(tm);
473 else {
474 struct tm tmp = *tm;
475 tmp.tm_isdst = -1; /* use timezone to figure it out */
476 seconds = mktime(&tmp);
477 }
478 else
479 seconds = mktimegm(tm) + rtc_date_offset;
480
481 return seconds - time(NULL);
482 }
483
484 void rtc_change_mon_event(struct tm *tm)
485 {
486 QObject *data;
487
488 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
489 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
490 qobject_decref(data);
491 }
492
493 static void configure_rtc_date_offset(const char *startdate, int legacy)
494 {
495 time_t rtc_start_date;
496 struct tm tm;
497
498 if (!strcmp(startdate, "now") && legacy) {
499 rtc_date_offset = -1;
500 } else {
501 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
502 &tm.tm_year,
503 &tm.tm_mon,
504 &tm.tm_mday,
505 &tm.tm_hour,
506 &tm.tm_min,
507 &tm.tm_sec) == 6) {
508 /* OK */
509 } else if (sscanf(startdate, "%d-%d-%d",
510 &tm.tm_year,
511 &tm.tm_mon,
512 &tm.tm_mday) == 3) {
513 tm.tm_hour = 0;
514 tm.tm_min = 0;
515 tm.tm_sec = 0;
516 } else {
517 goto date_fail;
518 }
519 tm.tm_year -= 1900;
520 tm.tm_mon--;
521 rtc_start_date = mktimegm(&tm);
522 if (rtc_start_date == -1) {
523 date_fail:
524 fprintf(stderr, "Invalid date format. Valid formats are:\n"
525 "'2006-06-17T16:01:21' or '2006-06-17'\n");
526 exit(1);
527 }
528 rtc_date_offset = time(NULL) - rtc_start_date;
529 }
530 }
531
532 static void configure_rtc(QemuOpts *opts)
533 {
534 const char *value;
535
536 value = qemu_opt_get(opts, "base");
537 if (value) {
538 if (!strcmp(value, "utc")) {
539 rtc_utc = 1;
540 } else if (!strcmp(value, "localtime")) {
541 rtc_utc = 0;
542 } else {
543 configure_rtc_date_offset(value, 0);
544 }
545 }
546 value = qemu_opt_get(opts, "clock");
547 if (value) {
548 if (!strcmp(value, "host")) {
549 rtc_clock = host_clock;
550 } else if (!strcmp(value, "rt")) {
551 rtc_clock = rt_clock;
552 } else if (!strcmp(value, "vm")) {
553 rtc_clock = vm_clock;
554 } else {
555 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
556 exit(1);
557 }
558 }
559 value = qemu_opt_get(opts, "driftfix");
560 if (value) {
561 if (!strcmp(value, "slew")) {
562 static GlobalProperty slew_lost_ticks[] = {
563 {
564 .driver = "mc146818rtc",
565 .property = "lost_tick_policy",
566 .value = "slew",
567 },
568 { /* end of list */ }
569 };
570
571 qdev_prop_register_global_list(slew_lost_ticks);
572 } else if (!strcmp(value, "none")) {
573 /* discard is default */
574 } else {
575 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
576 exit(1);
577 }
578 }
579 }
580
581 /***********************************************************/
582 /* Bluetooth support */
583 static int nb_hcis;
584 static int cur_hci;
585 static struct HCIInfo *hci_table[MAX_NICS];
586
587 static struct bt_vlan_s {
588 struct bt_scatternet_s net;
589 int id;
590 struct bt_vlan_s *next;
591 } *first_bt_vlan;
592
593 /* find or alloc a new bluetooth "VLAN" */
594 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
595 {
596 struct bt_vlan_s **pvlan, *vlan;
597 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
598 if (vlan->id == id)
599 return &vlan->net;
600 }
601 vlan = g_malloc0(sizeof(struct bt_vlan_s));
602 vlan->id = id;
603 pvlan = &first_bt_vlan;
604 while (*pvlan != NULL)
605 pvlan = &(*pvlan)->next;
606 *pvlan = vlan;
607 return &vlan->net;
608 }
609
610 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
611 {
612 }
613
614 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
615 {
616 return -ENOTSUP;
617 }
618
619 static struct HCIInfo null_hci = {
620 .cmd_send = null_hci_send,
621 .sco_send = null_hci_send,
622 .acl_send = null_hci_send,
623 .bdaddr_set = null_hci_addr_set,
624 };
625
626 struct HCIInfo *qemu_next_hci(void)
627 {
628 if (cur_hci == nb_hcis)
629 return &null_hci;
630
631 return hci_table[cur_hci++];
632 }
633
634 static struct HCIInfo *hci_init(const char *str)
635 {
636 char *endp;
637 struct bt_scatternet_s *vlan = 0;
638
639 if (!strcmp(str, "null"))
640 /* null */
641 return &null_hci;
642 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
643 /* host[:hciN] */
644 return bt_host_hci(str[4] ? str + 5 : "hci0");
645 else if (!strncmp(str, "hci", 3)) {
646 /* hci[,vlan=n] */
647 if (str[3]) {
648 if (!strncmp(str + 3, ",vlan=", 6)) {
649 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
650 if (*endp)
651 vlan = 0;
652 }
653 } else
654 vlan = qemu_find_bt_vlan(0);
655 if (vlan)
656 return bt_new_hci(vlan);
657 }
658
659 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
660
661 return 0;
662 }
663
664 static int bt_hci_parse(const char *str)
665 {
666 struct HCIInfo *hci;
667 bdaddr_t bdaddr;
668
669 if (nb_hcis >= MAX_NICS) {
670 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
671 return -1;
672 }
673
674 hci = hci_init(str);
675 if (!hci)
676 return -1;
677
678 bdaddr.b[0] = 0x52;
679 bdaddr.b[1] = 0x54;
680 bdaddr.b[2] = 0x00;
681 bdaddr.b[3] = 0x12;
682 bdaddr.b[4] = 0x34;
683 bdaddr.b[5] = 0x56 + nb_hcis;
684 hci->bdaddr_set(hci, bdaddr.b);
685
686 hci_table[nb_hcis++] = hci;
687
688 return 0;
689 }
690
691 static void bt_vhci_add(int vlan_id)
692 {
693 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
694
695 if (!vlan->slave)
696 fprintf(stderr, "qemu: warning: adding a VHCI to "
697 "an empty scatternet %i\n", vlan_id);
698
699 bt_vhci_init(bt_new_hci(vlan));
700 }
701
702 static struct bt_device_s *bt_device_add(const char *opt)
703 {
704 struct bt_scatternet_s *vlan;
705 int vlan_id = 0;
706 char *endp = strstr(opt, ",vlan=");
707 int len = (endp ? endp - opt : strlen(opt)) + 1;
708 char devname[10];
709
710 pstrcpy(devname, MIN(sizeof(devname), len), opt);
711
712 if (endp) {
713 vlan_id = strtol(endp + 6, &endp, 0);
714 if (*endp) {
715 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
716 return 0;
717 }
718 }
719
720 vlan = qemu_find_bt_vlan(vlan_id);
721
722 if (!vlan->slave)
723 fprintf(stderr, "qemu: warning: adding a slave device to "
724 "an empty scatternet %i\n", vlan_id);
725
726 if (!strcmp(devname, "keyboard"))
727 return bt_keyboard_init(vlan);
728
729 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
730 return 0;
731 }
732
733 static int bt_parse(const char *opt)
734 {
735 const char *endp, *p;
736 int vlan;
737
738 if (strstart(opt, "hci", &endp)) {
739 if (!*endp || *endp == ',') {
740 if (*endp)
741 if (!strstart(endp, ",vlan=", 0))
742 opt = endp + 1;
743
744 return bt_hci_parse(opt);
745 }
746 } else if (strstart(opt, "vhci", &endp)) {
747 if (!*endp || *endp == ',') {
748 if (*endp) {
749 if (strstart(endp, ",vlan=", &p)) {
750 vlan = strtol(p, (char **) &endp, 0);
751 if (*endp) {
752 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
753 return 1;
754 }
755 } else {
756 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
757 return 1;
758 }
759 } else
760 vlan = 0;
761
762 bt_vhci_add(vlan);
763 return 0;
764 }
765 } else if (strstart(opt, "device:", &endp))
766 return !bt_device_add(endp);
767
768 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
769 return 1;
770 }
771
772 static int parse_sandbox(QemuOpts *opts, void *opaque)
773 {
774 /* FIXME: change this to true for 1.3 */
775 if (qemu_opt_get_bool(opts, "enable", false)) {
776 #ifdef CONFIG_SECCOMP
777 if (seccomp_start() < 0) {
778 qerror_report(ERROR_CLASS_GENERIC_ERROR,
779 "failed to install seccomp syscall filter in the kernel");
780 return -1;
781 }
782 #else
783 qerror_report(ERROR_CLASS_GENERIC_ERROR,
784 "sandboxing request but seccomp is not compiled into this build");
785 return -1;
786 #endif
787 }
788
789 return 0;
790 }
791
792 /*********QEMU USB setting******/
793 bool usb_enabled(bool default_usb)
794 {
795 QemuOpts *mach_opts;
796 mach_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
797 if (mach_opts) {
798 return qemu_opt_get_bool(mach_opts, "usb", default_usb);
799 }
800 return default_usb;
801 }
802
803 /***********************************************************/
804 /* QEMU Block devices */
805
806 #define HD_OPTS "media=disk"
807 #define CDROM_OPTS "media=cdrom"
808 #define FD_OPTS ""
809 #define PFLASH_OPTS ""
810 #define MTD_OPTS ""
811 #define SD_OPTS ""
812
813 static int drive_init_func(QemuOpts *opts, void *opaque)
814 {
815 int *use_scsi = opaque;
816
817 return drive_init(opts, *use_scsi) == NULL;
818 }
819
820 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
821 {
822 if (NULL == qemu_opt_get(opts, "snapshot")) {
823 qemu_opt_set(opts, "snapshot", "on");
824 }
825 return 0;
826 }
827
828 static void default_drive(int enable, int snapshot, int use_scsi,
829 BlockInterfaceType type, int index,
830 const char *optstr)
831 {
832 QemuOpts *opts;
833
834 if (type == IF_DEFAULT) {
835 type = use_scsi ? IF_SCSI : IF_IDE;
836 }
837
838 if (!enable || drive_get_by_index(type, index)) {
839 return;
840 }
841
842 opts = drive_add(type, index, NULL, optstr);
843 if (snapshot) {
844 drive_enable_snapshot(opts, NULL);
845 }
846 if (!drive_init(opts, use_scsi)) {
847 exit(1);
848 }
849 }
850
851 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
852 {
853 boot_set_handler = func;
854 boot_set_opaque = opaque;
855 }
856
857 int qemu_boot_set(const char *boot_devices)
858 {
859 if (!boot_set_handler) {
860 return -EINVAL;
861 }
862 return boot_set_handler(boot_set_opaque, boot_devices);
863 }
864
865 static void validate_bootdevices(char *devices)
866 {
867 /* We just do some generic consistency checks */
868 const char *p;
869 int bitmap = 0;
870
871 for (p = devices; *p != '\0'; p++) {
872 /* Allowed boot devices are:
873 * a-b: floppy disk drives
874 * c-f: IDE disk drives
875 * g-m: machine implementation dependent drives
876 * n-p: network devices
877 * It's up to each machine implementation to check if the given boot
878 * devices match the actual hardware implementation and firmware
879 * features.
880 */
881 if (*p < 'a' || *p > 'p') {
882 fprintf(stderr, "Invalid boot device '%c'\n", *p);
883 exit(1);
884 }
885 if (bitmap & (1 << (*p - 'a'))) {
886 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
887 exit(1);
888 }
889 bitmap |= 1 << (*p - 'a');
890 }
891 }
892
893 static void restore_boot_devices(void *opaque)
894 {
895 char *standard_boot_devices = opaque;
896 static int first = 1;
897
898 /* Restore boot order and remove ourselves after the first boot */
899 if (first) {
900 first = 0;
901 return;
902 }
903
904 qemu_boot_set(standard_boot_devices);
905
906 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
907 g_free(standard_boot_devices);
908 }
909
910 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
911 const char *suffix)
912 {
913 FWBootEntry *node, *i;
914
915 if (bootindex < 0) {
916 return;
917 }
918
919 assert(dev != NULL || suffix != NULL);
920
921 node = g_malloc0(sizeof(FWBootEntry));
922 node->bootindex = bootindex;
923 node->suffix = suffix ? g_strdup(suffix) : NULL;
924 node->dev = dev;
925
926 QTAILQ_FOREACH(i, &fw_boot_order, link) {
927 if (i->bootindex == bootindex) {
928 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
929 exit(1);
930 } else if (i->bootindex < bootindex) {
931 continue;
932 }
933 QTAILQ_INSERT_BEFORE(i, node, link);
934 return;
935 }
936 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
937 }
938
939 /*
940 * This function returns null terminated string that consist of new line
941 * separated device paths.
942 *
943 * memory pointed by "size" is assigned total length of the array in bytes
944 *
945 */
946 char *get_boot_devices_list(uint32_t *size)
947 {
948 FWBootEntry *i;
949 uint32_t total = 0;
950 char *list = NULL;
951
952 QTAILQ_FOREACH(i, &fw_boot_order, link) {
953 char *devpath = NULL, *bootpath;
954 int len;
955
956 if (i->dev) {
957 devpath = qdev_get_fw_dev_path(i->dev);
958 assert(devpath);
959 }
960
961 if (i->suffix && devpath) {
962 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
963
964 bootpath = g_malloc(bootpathlen);
965 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
966 g_free(devpath);
967 } else if (devpath) {
968 bootpath = devpath;
969 } else {
970 assert(i->suffix);
971 bootpath = g_strdup(i->suffix);
972 }
973
974 if (total) {
975 list[total-1] = '\n';
976 }
977 len = strlen(bootpath) + 1;
978 list = g_realloc(list, total + len);
979 memcpy(&list[total], bootpath, len);
980 total += len;
981 g_free(bootpath);
982 }
983
984 *size = total;
985
986 return list;
987 }
988
989 static void numa_add(const char *optarg)
990 {
991 char option[128];
992 char *endptr;
993 unsigned long long value, endvalue;
994 int nodenr;
995
996 value = endvalue = 0ULL;
997
998 optarg = get_opt_name(option, 128, optarg, ',') + 1;
999 if (!strcmp(option, "node")) {
1000 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1001 nodenr = nb_numa_nodes;
1002 } else {
1003 nodenr = strtoull(option, NULL, 10);
1004 }
1005
1006 if (get_param_value(option, 128, "mem", optarg) == 0) {
1007 node_mem[nodenr] = 0;
1008 } else {
1009 int64_t sval;
1010 sval = strtosz(option, &endptr);
1011 if (sval < 0 || *endptr) {
1012 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
1013 exit(1);
1014 }
1015 node_mem[nodenr] = sval;
1016 }
1017 if (get_param_value(option, 128, "cpus", optarg) != 0) {
1018 value = strtoull(option, &endptr, 10);
1019 if (*endptr == '-') {
1020 endvalue = strtoull(endptr+1, &endptr, 10);
1021 } else {
1022 endvalue = value;
1023 }
1024
1025 if (!(endvalue < MAX_CPUMASK_BITS)) {
1026 endvalue = MAX_CPUMASK_BITS - 1;
1027 fprintf(stderr,
1028 "A max of %d CPUs are supported in a guest\n",
1029 MAX_CPUMASK_BITS);
1030 }
1031
1032 bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
1033 }
1034 nb_numa_nodes++;
1035 }
1036 }
1037
1038 static void smp_parse(const char *optarg)
1039 {
1040 int smp, sockets = 0, threads = 0, cores = 0;
1041 char *endptr;
1042 char option[128];
1043
1044 smp = strtoul(optarg, &endptr, 10);
1045 if (endptr != optarg) {
1046 if (*endptr == ',') {
1047 endptr++;
1048 }
1049 }
1050 if (get_param_value(option, 128, "sockets", endptr) != 0)
1051 sockets = strtoull(option, NULL, 10);
1052 if (get_param_value(option, 128, "cores", endptr) != 0)
1053 cores = strtoull(option, NULL, 10);
1054 if (get_param_value(option, 128, "threads", endptr) != 0)
1055 threads = strtoull(option, NULL, 10);
1056 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1057 max_cpus = strtoull(option, NULL, 10);
1058
1059 /* compute missing values, prefer sockets over cores over threads */
1060 if (smp == 0 || sockets == 0) {
1061 sockets = sockets > 0 ? sockets : 1;
1062 cores = cores > 0 ? cores : 1;
1063 threads = threads > 0 ? threads : 1;
1064 if (smp == 0) {
1065 smp = cores * threads * sockets;
1066 }
1067 } else {
1068 if (cores == 0) {
1069 threads = threads > 0 ? threads : 1;
1070 cores = smp / (sockets * threads);
1071 } else {
1072 threads = smp / (cores * sockets);
1073 }
1074 }
1075 smp_cpus = smp;
1076 smp_cores = cores > 0 ? cores : 1;
1077 smp_threads = threads > 0 ? threads : 1;
1078 if (max_cpus == 0)
1079 max_cpus = smp_cpus;
1080 }
1081
1082 /***********************************************************/
1083 /* USB devices */
1084
1085 static int usb_device_add(const char *devname)
1086 {
1087 const char *p;
1088 USBDevice *dev = NULL;
1089
1090 if (!usb_enabled(false)) {
1091 return -1;
1092 }
1093
1094 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1095 dev = usbdevice_create(devname);
1096 if (dev)
1097 goto done;
1098
1099 /* the other ones */
1100 #ifndef CONFIG_LINUX
1101 /* only the linux version is qdev-ified, usb-bsd still needs this */
1102 if (strstart(devname, "host:", &p)) {
1103 dev = usb_host_device_open(usb_bus_find(-1), p);
1104 } else
1105 #endif
1106 if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1107 dev = usb_bt_init(usb_bus_find(-1),
1108 devname[2] ? hci_init(p)
1109 : bt_new_hci(qemu_find_bt_vlan(0)));
1110 } else {
1111 return -1;
1112 }
1113 if (!dev)
1114 return -1;
1115
1116 done:
1117 return 0;
1118 }
1119
1120 static int usb_device_del(const char *devname)
1121 {
1122 int bus_num, addr;
1123 const char *p;
1124
1125 if (strstart(devname, "host:", &p))
1126 return usb_host_device_close(p);
1127
1128 if (!usb_enabled(false)) {
1129 return -1;
1130 }
1131
1132 p = strchr(devname, '.');
1133 if (!p)
1134 return -1;
1135 bus_num = strtoul(devname, NULL, 0);
1136 addr = strtoul(p + 1, NULL, 0);
1137
1138 return usb_device_delete_addr(bus_num, addr);
1139 }
1140
1141 static int usb_parse(const char *cmdline)
1142 {
1143 int r;
1144 r = usb_device_add(cmdline);
1145 if (r < 0) {
1146 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1147 }
1148 return r;
1149 }
1150
1151 void do_usb_add(Monitor *mon, const QDict *qdict)
1152 {
1153 const char *devname = qdict_get_str(qdict, "devname");
1154 if (usb_device_add(devname) < 0) {
1155 error_report("could not add USB device '%s'", devname);
1156 }
1157 }
1158
1159 void do_usb_del(Monitor *mon, const QDict *qdict)
1160 {
1161 const char *devname = qdict_get_str(qdict, "devname");
1162 if (usb_device_del(devname) < 0) {
1163 error_report("could not delete USB device '%s'", devname);
1164 }
1165 }
1166
1167 /***********************************************************/
1168 /* PCMCIA/Cardbus */
1169
1170 static struct pcmcia_socket_entry_s {
1171 PCMCIASocket *socket;
1172 struct pcmcia_socket_entry_s *next;
1173 } *pcmcia_sockets = 0;
1174
1175 void pcmcia_socket_register(PCMCIASocket *socket)
1176 {
1177 struct pcmcia_socket_entry_s *entry;
1178
1179 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1180 entry->socket = socket;
1181 entry->next = pcmcia_sockets;
1182 pcmcia_sockets = entry;
1183 }
1184
1185 void pcmcia_socket_unregister(PCMCIASocket *socket)
1186 {
1187 struct pcmcia_socket_entry_s *entry, **ptr;
1188
1189 ptr = &pcmcia_sockets;
1190 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1191 if (entry->socket == socket) {
1192 *ptr = entry->next;
1193 g_free(entry);
1194 }
1195 }
1196
1197 void pcmcia_info(Monitor *mon)
1198 {
1199 struct pcmcia_socket_entry_s *iter;
1200
1201 if (!pcmcia_sockets)
1202 monitor_printf(mon, "No PCMCIA sockets\n");
1203
1204 for (iter = pcmcia_sockets; iter; iter = iter->next)
1205 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1206 iter->socket->attached ? iter->socket->card_string :
1207 "Empty");
1208 }
1209
1210 /***********************************************************/
1211 /* machine registration */
1212
1213 static QEMUMachine *first_machine = NULL;
1214 QEMUMachine *current_machine = NULL;
1215
1216 int qemu_register_machine(QEMUMachine *m)
1217 {
1218 QEMUMachine **pm;
1219 pm = &first_machine;
1220 while (*pm != NULL)
1221 pm = &(*pm)->next;
1222 m->next = NULL;
1223 *pm = m;
1224 return 0;
1225 }
1226
1227 static QEMUMachine *find_machine(const char *name)
1228 {
1229 QEMUMachine *m;
1230
1231 for(m = first_machine; m != NULL; m = m->next) {
1232 if (!strcmp(m->name, name))
1233 return m;
1234 if (m->alias && !strcmp(m->alias, name))
1235 return m;
1236 }
1237 return NULL;
1238 }
1239
1240 QEMUMachine *find_default_machine(void)
1241 {
1242 QEMUMachine *m;
1243
1244 for(m = first_machine; m != NULL; m = m->next) {
1245 if (m->is_default) {
1246 return m;
1247 }
1248 }
1249 return NULL;
1250 }
1251
1252 MachineInfoList *qmp_query_machines(Error **errp)
1253 {
1254 MachineInfoList *mach_list = NULL;
1255 QEMUMachine *m;
1256
1257 for (m = first_machine; m; m = m->next) {
1258 MachineInfoList *entry;
1259 MachineInfo *info;
1260
1261 info = g_malloc0(sizeof(*info));
1262 if (m->is_default) {
1263 info->has_is_default = true;
1264 info->is_default = true;
1265 }
1266
1267 if (m->alias) {
1268 info->has_alias = true;
1269 info->alias = g_strdup(m->alias);
1270 }
1271
1272 info->name = g_strdup(m->name);
1273
1274 entry = g_malloc0(sizeof(*entry));
1275 entry->value = info;
1276 entry->next = mach_list;
1277 mach_list = entry;
1278 }
1279
1280 return mach_list;
1281 }
1282
1283 /***********************************************************/
1284 /* main execution loop */
1285
1286 static void gui_update(void *opaque)
1287 {
1288 uint64_t interval = GUI_REFRESH_INTERVAL;
1289 DisplayState *ds = opaque;
1290 DisplayChangeListener *dcl = ds->listeners;
1291
1292 dpy_refresh(ds);
1293
1294 while (dcl != NULL) {
1295 if (dcl->gui_timer_interval &&
1296 dcl->gui_timer_interval < interval)
1297 interval = dcl->gui_timer_interval;
1298 dcl = dcl->next;
1299 }
1300 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1301 }
1302
1303 struct vm_change_state_entry {
1304 VMChangeStateHandler *cb;
1305 void *opaque;
1306 QLIST_ENTRY (vm_change_state_entry) entries;
1307 };
1308
1309 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1310
1311 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1312 void *opaque)
1313 {
1314 VMChangeStateEntry *e;
1315
1316 e = g_malloc0(sizeof (*e));
1317
1318 e->cb = cb;
1319 e->opaque = opaque;
1320 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1321 return e;
1322 }
1323
1324 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1325 {
1326 QLIST_REMOVE (e, entries);
1327 g_free (e);
1328 }
1329
1330 void vm_state_notify(int running, RunState state)
1331 {
1332 VMChangeStateEntry *e;
1333
1334 trace_vm_state_notify(running, state);
1335
1336 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1337 e->cb(e->opaque, running, state);
1338 }
1339 }
1340
1341 void vm_start(void)
1342 {
1343 if (!runstate_is_running()) {
1344 cpu_enable_ticks();
1345 runstate_set(RUN_STATE_RUNNING);
1346 vm_state_notify(1, RUN_STATE_RUNNING);
1347 resume_all_vcpus();
1348 monitor_protocol_event(QEVENT_RESUME, NULL);
1349 }
1350 }
1351
1352 /* reset/shutdown handler */
1353
1354 typedef struct QEMUResetEntry {
1355 QTAILQ_ENTRY(QEMUResetEntry) entry;
1356 QEMUResetHandler *func;
1357 void *opaque;
1358 } QEMUResetEntry;
1359
1360 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1361 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1362 static int reset_requested;
1363 static int shutdown_requested, shutdown_signal = -1;
1364 static pid_t shutdown_pid;
1365 static int powerdown_requested;
1366 static int debug_requested;
1367 static int suspend_requested;
1368 static int wakeup_requested;
1369 static NotifierList powerdown_notifiers =
1370 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1371 static NotifierList suspend_notifiers =
1372 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1373 static NotifierList wakeup_notifiers =
1374 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1375 static uint32_t wakeup_reason_mask = ~0;
1376 static RunState vmstop_requested = RUN_STATE_MAX;
1377
1378 int qemu_shutdown_requested_get(void)
1379 {
1380 return shutdown_requested;
1381 }
1382
1383 int qemu_reset_requested_get(void)
1384 {
1385 return reset_requested;
1386 }
1387
1388 int qemu_shutdown_requested(void)
1389 {
1390 int r = shutdown_requested;
1391 shutdown_requested = 0;
1392 return r;
1393 }
1394
1395 void qemu_kill_report(void)
1396 {
1397 if (!qtest_enabled() && shutdown_signal != -1) {
1398 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1399 if (shutdown_pid == 0) {
1400 /* This happens for eg ^C at the terminal, so it's worth
1401 * avoiding printing an odd message in that case.
1402 */
1403 fputc('\n', stderr);
1404 } else {
1405 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1406 }
1407 shutdown_signal = -1;
1408 }
1409 }
1410
1411 int qemu_reset_requested(void)
1412 {
1413 int r = reset_requested;
1414 reset_requested = 0;
1415 return r;
1416 }
1417
1418 static int qemu_suspend_requested(void)
1419 {
1420 int r = suspend_requested;
1421 suspend_requested = 0;
1422 return r;
1423 }
1424
1425 static int qemu_wakeup_requested(void)
1426 {
1427 int r = wakeup_requested;
1428 wakeup_requested = 0;
1429 return r;
1430 }
1431
1432 int qemu_powerdown_requested(void)
1433 {
1434 int r = powerdown_requested;
1435 powerdown_requested = 0;
1436 return r;
1437 }
1438
1439 static int qemu_debug_requested(void)
1440 {
1441 int r = debug_requested;
1442 debug_requested = 0;
1443 return r;
1444 }
1445
1446 /* We use RUN_STATE_MAX but any invalid value will do */
1447 static bool qemu_vmstop_requested(RunState *r)
1448 {
1449 if (vmstop_requested < RUN_STATE_MAX) {
1450 *r = vmstop_requested;
1451 vmstop_requested = RUN_STATE_MAX;
1452 return true;
1453 }
1454
1455 return false;
1456 }
1457
1458 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1459 {
1460 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1461
1462 re->func = func;
1463 re->opaque = opaque;
1464 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1465 }
1466
1467 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1468 {
1469 QEMUResetEntry *re;
1470
1471 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1472 if (re->func == func && re->opaque == opaque) {
1473 QTAILQ_REMOVE(&reset_handlers, re, entry);
1474 g_free(re);
1475 return;
1476 }
1477 }
1478 }
1479
1480 void qemu_devices_reset(void)
1481 {
1482 QEMUResetEntry *re, *nre;
1483
1484 /* reset all devices */
1485 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1486 re->func(re->opaque);
1487 }
1488 }
1489
1490 void qemu_system_reset(bool report)
1491 {
1492 if (current_machine && current_machine->reset) {
1493 current_machine->reset();
1494 } else {
1495 qemu_devices_reset();
1496 }
1497 if (report) {
1498 monitor_protocol_event(QEVENT_RESET, NULL);
1499 }
1500 cpu_synchronize_all_post_reset();
1501 }
1502
1503 void qemu_system_reset_request(void)
1504 {
1505 if (no_reboot) {
1506 shutdown_requested = 1;
1507 } else {
1508 reset_requested = 1;
1509 }
1510 cpu_stop_current();
1511 qemu_notify_event();
1512 }
1513
1514 static void qemu_system_suspend(void)
1515 {
1516 pause_all_vcpus();
1517 notifier_list_notify(&suspend_notifiers, NULL);
1518 runstate_set(RUN_STATE_SUSPENDED);
1519 monitor_protocol_event(QEVENT_SUSPEND, NULL);
1520 }
1521
1522 void qemu_system_suspend_request(void)
1523 {
1524 if (runstate_check(RUN_STATE_SUSPENDED)) {
1525 return;
1526 }
1527 suspend_requested = 1;
1528 cpu_stop_current();
1529 qemu_notify_event();
1530 }
1531
1532 void qemu_register_suspend_notifier(Notifier *notifier)
1533 {
1534 notifier_list_add(&suspend_notifiers, notifier);
1535 }
1536
1537 void qemu_system_wakeup_request(WakeupReason reason)
1538 {
1539 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1540 return;
1541 }
1542 if (!(wakeup_reason_mask & (1 << reason))) {
1543 return;
1544 }
1545 runstate_set(RUN_STATE_RUNNING);
1546 notifier_list_notify(&wakeup_notifiers, &reason);
1547 wakeup_requested = 1;
1548 qemu_notify_event();
1549 }
1550
1551 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1552 {
1553 if (enabled) {
1554 wakeup_reason_mask |= (1 << reason);
1555 } else {
1556 wakeup_reason_mask &= ~(1 << reason);
1557 }
1558 }
1559
1560 void qemu_register_wakeup_notifier(Notifier *notifier)
1561 {
1562 notifier_list_add(&wakeup_notifiers, notifier);
1563 }
1564
1565 void qemu_system_killed(int signal, pid_t pid)
1566 {
1567 shutdown_signal = signal;
1568 shutdown_pid = pid;
1569 no_shutdown = 0;
1570 qemu_system_shutdown_request();
1571 }
1572
1573 void qemu_system_shutdown_request(void)
1574 {
1575 shutdown_requested = 1;
1576 qemu_notify_event();
1577 }
1578
1579 static void qemu_system_powerdown(void)
1580 {
1581 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1582 notifier_list_notify(&powerdown_notifiers, NULL);
1583 }
1584
1585 void qemu_system_powerdown_request(void)
1586 {
1587 powerdown_requested = 1;
1588 qemu_notify_event();
1589 }
1590
1591 void qemu_register_powerdown_notifier(Notifier *notifier)
1592 {
1593 notifier_list_add(&powerdown_notifiers, notifier);
1594 }
1595
1596 void qemu_system_debug_request(void)
1597 {
1598 debug_requested = 1;
1599 qemu_notify_event();
1600 }
1601
1602 void qemu_system_vmstop_request(RunState state)
1603 {
1604 vmstop_requested = state;
1605 qemu_notify_event();
1606 }
1607
1608 static bool main_loop_should_exit(void)
1609 {
1610 RunState r;
1611 if (qemu_debug_requested()) {
1612 vm_stop(RUN_STATE_DEBUG);
1613 }
1614 if (qemu_suspend_requested()) {
1615 qemu_system_suspend();
1616 }
1617 if (qemu_shutdown_requested()) {
1618 qemu_kill_report();
1619 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1620 if (no_shutdown) {
1621 vm_stop(RUN_STATE_SHUTDOWN);
1622 } else {
1623 return true;
1624 }
1625 }
1626 if (qemu_reset_requested()) {
1627 pause_all_vcpus();
1628 cpu_synchronize_all_states();
1629 qemu_system_reset(VMRESET_REPORT);
1630 resume_all_vcpus();
1631 if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
1632 runstate_check(RUN_STATE_SHUTDOWN)) {
1633 runstate_set(RUN_STATE_PAUSED);
1634 }
1635 }
1636 if (qemu_wakeup_requested()) {
1637 pause_all_vcpus();
1638 cpu_synchronize_all_states();
1639 qemu_system_reset(VMRESET_SILENT);
1640 resume_all_vcpus();
1641 monitor_protocol_event(QEVENT_WAKEUP, NULL);
1642 }
1643 if (qemu_powerdown_requested()) {
1644 qemu_system_powerdown();
1645 }
1646 if (qemu_vmstop_requested(&r)) {
1647 vm_stop(r);
1648 }
1649 return false;
1650 }
1651
1652 static void main_loop(void)
1653 {
1654 bool nonblocking;
1655 int last_io = 0;
1656 #ifdef CONFIG_PROFILER
1657 int64_t ti;
1658 #endif
1659 do {
1660 nonblocking = !kvm_enabled() && last_io > 0;
1661 #ifdef CONFIG_PROFILER
1662 ti = profile_getclock();
1663 #endif
1664 last_io = main_loop_wait(nonblocking);
1665 #ifdef CONFIG_PROFILER
1666 dev_time += profile_getclock() - ti;
1667 #endif
1668 } while (!main_loop_should_exit());
1669 }
1670
1671 static void version(void)
1672 {
1673 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1674 }
1675
1676 static void help(int exitcode)
1677 {
1678 version();
1679 printf("usage: %s [options] [disk_image]\n\n"
1680 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1681 error_get_progname());
1682
1683 #define QEMU_OPTIONS_GENERATE_HELP
1684 #include "qemu-options-wrapper.h"
1685
1686 printf("\nDuring emulation, the following keys are useful:\n"
1687 "ctrl-alt-f toggle full screen\n"
1688 "ctrl-alt-n switch to virtual console 'n'\n"
1689 "ctrl-alt toggle mouse and keyboard grab\n"
1690 "\n"
1691 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1692
1693 exit(exitcode);
1694 }
1695
1696 #define HAS_ARG 0x0001
1697
1698 typedef struct QEMUOption {
1699 const char *name;
1700 int flags;
1701 int index;
1702 uint32_t arch_mask;
1703 } QEMUOption;
1704
1705 static const QEMUOption qemu_options[] = {
1706 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1707 #define QEMU_OPTIONS_GENERATE_OPTIONS
1708 #include "qemu-options-wrapper.h"
1709 { NULL },
1710 };
1711
1712 static bool vga_available(void)
1713 {
1714 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1715 }
1716
1717 static bool cirrus_vga_available(void)
1718 {
1719 return object_class_by_name("cirrus-vga")
1720 || object_class_by_name("isa-cirrus-vga");
1721 }
1722
1723 static bool vmware_vga_available(void)
1724 {
1725 return object_class_by_name("vmware-svga");
1726 }
1727
1728 static bool qxl_vga_available(void)
1729 {
1730 return object_class_by_name("qxl-vga");
1731 }
1732
1733 static void select_vgahw (const char *p)
1734 {
1735 const char *opts;
1736
1737 vga_interface_type = VGA_NONE;
1738 if (strstart(p, "std", &opts)) {
1739 if (vga_available()) {
1740 vga_interface_type = VGA_STD;
1741 } else {
1742 fprintf(stderr, "Error: standard VGA not available\n");
1743 exit(0);
1744 }
1745 } else if (strstart(p, "cirrus", &opts)) {
1746 if (cirrus_vga_available()) {
1747 vga_interface_type = VGA_CIRRUS;
1748 } else {
1749 fprintf(stderr, "Error: Cirrus VGA not available\n");
1750 exit(0);
1751 }
1752 } else if (strstart(p, "vmware", &opts)) {
1753 if (vmware_vga_available()) {
1754 vga_interface_type = VGA_VMWARE;
1755 } else {
1756 fprintf(stderr, "Error: VMWare SVGA not available\n");
1757 exit(0);
1758 }
1759 } else if (strstart(p, "xenfb", &opts)) {
1760 vga_interface_type = VGA_XENFB;
1761 } else if (strstart(p, "qxl", &opts)) {
1762 if (qxl_vga_available()) {
1763 vga_interface_type = VGA_QXL;
1764 } else {
1765 fprintf(stderr, "Error: QXL VGA not available\n");
1766 exit(0);
1767 }
1768 } else if (!strstart(p, "none", &opts)) {
1769 invalid_vga:
1770 fprintf(stderr, "Unknown vga type: %s\n", p);
1771 exit(1);
1772 }
1773 while (*opts) {
1774 const char *nextopt;
1775
1776 if (strstart(opts, ",retrace=", &nextopt)) {
1777 opts = nextopt;
1778 if (strstart(opts, "dumb", &nextopt))
1779 vga_retrace_method = VGA_RETRACE_DUMB;
1780 else if (strstart(opts, "precise", &nextopt))
1781 vga_retrace_method = VGA_RETRACE_PRECISE;
1782 else goto invalid_vga;
1783 } else goto invalid_vga;
1784 opts = nextopt;
1785 }
1786 }
1787
1788 static DisplayType select_display(const char *p)
1789 {
1790 const char *opts;
1791 DisplayType display = DT_DEFAULT;
1792
1793 if (strstart(p, "sdl", &opts)) {
1794 #ifdef CONFIG_SDL
1795 display = DT_SDL;
1796 while (*opts) {
1797 const char *nextopt;
1798
1799 if (strstart(opts, ",frame=", &nextopt)) {
1800 opts = nextopt;
1801 if (strstart(opts, "on", &nextopt)) {
1802 no_frame = 0;
1803 } else if (strstart(opts, "off", &nextopt)) {
1804 no_frame = 1;
1805 } else {
1806 goto invalid_sdl_args;
1807 }
1808 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1809 opts = nextopt;
1810 if (strstart(opts, "on", &nextopt)) {
1811 alt_grab = 1;
1812 } else if (strstart(opts, "off", &nextopt)) {
1813 alt_grab = 0;
1814 } else {
1815 goto invalid_sdl_args;
1816 }
1817 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1818 opts = nextopt;
1819 if (strstart(opts, "on", &nextopt)) {
1820 ctrl_grab = 1;
1821 } else if (strstart(opts, "off", &nextopt)) {
1822 ctrl_grab = 0;
1823 } else {
1824 goto invalid_sdl_args;
1825 }
1826 } else if (strstart(opts, ",window_close=", &nextopt)) {
1827 opts = nextopt;
1828 if (strstart(opts, "on", &nextopt)) {
1829 no_quit = 0;
1830 } else if (strstart(opts, "off", &nextopt)) {
1831 no_quit = 1;
1832 } else {
1833 goto invalid_sdl_args;
1834 }
1835 } else {
1836 invalid_sdl_args:
1837 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1838 exit(1);
1839 }
1840 opts = nextopt;
1841 }
1842 #else
1843 fprintf(stderr, "SDL support is disabled\n");
1844 exit(1);
1845 #endif
1846 } else if (strstart(p, "vnc", &opts)) {
1847 #ifdef CONFIG_VNC
1848 display_remote++;
1849
1850 if (*opts) {
1851 const char *nextopt;
1852
1853 if (strstart(opts, "=", &nextopt)) {
1854 vnc_display = nextopt;
1855 }
1856 }
1857 if (!vnc_display) {
1858 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1859 exit(1);
1860 }
1861 #else
1862 fprintf(stderr, "VNC support is disabled\n");
1863 exit(1);
1864 #endif
1865 } else if (strstart(p, "curses", &opts)) {
1866 #ifdef CONFIG_CURSES
1867 display = DT_CURSES;
1868 #else
1869 fprintf(stderr, "Curses support is disabled\n");
1870 exit(1);
1871 #endif
1872 } else if (strstart(p, "none", &opts)) {
1873 display = DT_NONE;
1874 } else {
1875 fprintf(stderr, "Unknown display type: %s\n", p);
1876 exit(1);
1877 }
1878
1879 return display;
1880 }
1881
1882 static int balloon_parse(const char *arg)
1883 {
1884 QemuOpts *opts;
1885
1886 if (strcmp(arg, "none") == 0) {
1887 return 0;
1888 }
1889
1890 if (!strncmp(arg, "virtio", 6)) {
1891 if (arg[6] == ',') {
1892 /* have params -> parse them */
1893 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1894 if (!opts)
1895 return -1;
1896 } else {
1897 /* create empty opts */
1898 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0, NULL);
1899 }
1900 qemu_opt_set(opts, "driver", "virtio-balloon");
1901 return 0;
1902 }
1903
1904 return -1;
1905 }
1906
1907 char *qemu_find_file(int type, const char *name)
1908 {
1909 int len;
1910 const char *subdir;
1911 char *buf;
1912
1913 /* Try the name as a straight path first */
1914 if (access(name, R_OK) == 0) {
1915 return g_strdup(name);
1916 }
1917 switch (type) {
1918 case QEMU_FILE_TYPE_BIOS:
1919 subdir = "";
1920 break;
1921 case QEMU_FILE_TYPE_KEYMAP:
1922 subdir = "keymaps/";
1923 break;
1924 default:
1925 abort();
1926 }
1927 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1928 buf = g_malloc0(len);
1929 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1930 if (access(buf, R_OK)) {
1931 g_free(buf);
1932 return NULL;
1933 }
1934 return buf;
1935 }
1936
1937 static int device_help_func(QemuOpts *opts, void *opaque)
1938 {
1939 return qdev_device_help(opts);
1940 }
1941
1942 static int device_init_func(QemuOpts *opts, void *opaque)
1943 {
1944 DeviceState *dev;
1945
1946 dev = qdev_device_add(opts);
1947 if (!dev)
1948 return -1;
1949 return 0;
1950 }
1951
1952 static int chardev_init_func(QemuOpts *opts, void *opaque)
1953 {
1954 CharDriverState *chr;
1955
1956 chr = qemu_chr_new_from_opts(opts, NULL);
1957 if (!chr)
1958 return -1;
1959 return 0;
1960 }
1961
1962 #ifdef CONFIG_VIRTFS
1963 static int fsdev_init_func(QemuOpts *opts, void *opaque)
1964 {
1965 int ret;
1966 ret = qemu_fsdev_add(opts);
1967
1968 return ret;
1969 }
1970 #endif
1971
1972 static int mon_init_func(QemuOpts *opts, void *opaque)
1973 {
1974 CharDriverState *chr;
1975 const char *chardev;
1976 const char *mode;
1977 int flags;
1978
1979 mode = qemu_opt_get(opts, "mode");
1980 if (mode == NULL) {
1981 mode = "readline";
1982 }
1983 if (strcmp(mode, "readline") == 0) {
1984 flags = MONITOR_USE_READLINE;
1985 } else if (strcmp(mode, "control") == 0) {
1986 flags = MONITOR_USE_CONTROL;
1987 } else {
1988 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1989 exit(1);
1990 }
1991
1992 if (qemu_opt_get_bool(opts, "pretty", 0))
1993 flags |= MONITOR_USE_PRETTY;
1994
1995 if (qemu_opt_get_bool(opts, "default", 0))
1996 flags |= MONITOR_IS_DEFAULT;
1997
1998 chardev = qemu_opt_get(opts, "chardev");
1999 chr = qemu_chr_find(chardev);
2000 if (chr == NULL) {
2001 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2002 exit(1);
2003 }
2004
2005 monitor_init(chr, flags);
2006 return 0;
2007 }
2008
2009 static void monitor_parse(const char *optarg, const char *mode)
2010 {
2011 static int monitor_device_index = 0;
2012 QemuOpts *opts;
2013 const char *p;
2014 char label[32];
2015 int def = 0;
2016
2017 if (strstart(optarg, "chardev:", &p)) {
2018 snprintf(label, sizeof(label), "%s", p);
2019 } else {
2020 snprintf(label, sizeof(label), "compat_monitor%d",
2021 monitor_device_index);
2022 if (monitor_device_index == 0) {
2023 def = 1;
2024 }
2025 opts = qemu_chr_parse_compat(label, optarg);
2026 if (!opts) {
2027 fprintf(stderr, "parse error: %s\n", optarg);
2028 exit(1);
2029 }
2030 }
2031
2032 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2033 if (!opts) {
2034 fprintf(stderr, "duplicate chardev: %s\n", label);
2035 exit(1);
2036 }
2037 qemu_opt_set(opts, "mode", mode);
2038 qemu_opt_set(opts, "chardev", label);
2039 if (def)
2040 qemu_opt_set(opts, "default", "on");
2041 monitor_device_index++;
2042 }
2043
2044 struct device_config {
2045 enum {
2046 DEV_USB, /* -usbdevice */
2047 DEV_BT, /* -bt */
2048 DEV_SERIAL, /* -serial */
2049 DEV_PARALLEL, /* -parallel */
2050 DEV_VIRTCON, /* -virtioconsole */
2051 DEV_DEBUGCON, /* -debugcon */
2052 DEV_GDB, /* -gdb, -s */
2053 } type;
2054 const char *cmdline;
2055 Location loc;
2056 QTAILQ_ENTRY(device_config) next;
2057 };
2058 QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
2059
2060 static void add_device_config(int type, const char *cmdline)
2061 {
2062 struct device_config *conf;
2063
2064 conf = g_malloc0(sizeof(*conf));
2065 conf->type = type;
2066 conf->cmdline = cmdline;
2067 loc_save(&conf->loc);
2068 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2069 }
2070
2071 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2072 {
2073 struct device_config *conf;
2074 int rc;
2075
2076 QTAILQ_FOREACH(conf, &device_configs, next) {
2077 if (conf->type != type)
2078 continue;
2079 loc_push_restore(&conf->loc);
2080 rc = func(conf->cmdline);
2081 loc_pop(&conf->loc);
2082 if (0 != rc)
2083 return rc;
2084 }
2085 return 0;
2086 }
2087
2088 static int serial_parse(const char *devname)
2089 {
2090 static int index = 0;
2091 char label[32];
2092
2093 if (strcmp(devname, "none") == 0)
2094 return 0;
2095 if (index == MAX_SERIAL_PORTS) {
2096 fprintf(stderr, "qemu: too many serial ports\n");
2097 exit(1);
2098 }
2099 snprintf(label, sizeof(label), "serial%d", index);
2100 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2101 if (!serial_hds[index]) {
2102 fprintf(stderr, "qemu: could not connect serial device"
2103 " to character backend '%s'\n", devname);
2104 return -1;
2105 }
2106 index++;
2107 return 0;
2108 }
2109
2110 static int parallel_parse(const char *devname)
2111 {
2112 static int index = 0;
2113 char label[32];
2114
2115 if (strcmp(devname, "none") == 0)
2116 return 0;
2117 if (index == MAX_PARALLEL_PORTS) {
2118 fprintf(stderr, "qemu: too many parallel ports\n");
2119 exit(1);
2120 }
2121 snprintf(label, sizeof(label), "parallel%d", index);
2122 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2123 if (!parallel_hds[index]) {
2124 fprintf(stderr, "qemu: could not connect parallel device"
2125 " to character backend '%s'\n", devname);
2126 return -1;
2127 }
2128 index++;
2129 return 0;
2130 }
2131
2132 static int virtcon_parse(const char *devname)
2133 {
2134 QemuOptsList *device = qemu_find_opts("device");
2135 static int index = 0;
2136 char label[32];
2137 QemuOpts *bus_opts, *dev_opts;
2138
2139 if (strcmp(devname, "none") == 0)
2140 return 0;
2141 if (index == MAX_VIRTIO_CONSOLES) {
2142 fprintf(stderr, "qemu: too many virtio consoles\n");
2143 exit(1);
2144 }
2145
2146 bus_opts = qemu_opts_create(device, NULL, 0, NULL);
2147 if (arch_type == QEMU_ARCH_S390X) {
2148 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2149 } else {
2150 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2151 }
2152
2153 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2154 qemu_opt_set(dev_opts, "driver", "virtconsole");
2155
2156 snprintf(label, sizeof(label), "virtcon%d", index);
2157 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2158 if (!virtcon_hds[index]) {
2159 fprintf(stderr, "qemu: could not connect virtio console"
2160 " to character backend '%s'\n", devname);
2161 return -1;
2162 }
2163 qemu_opt_set(dev_opts, "chardev", label);
2164
2165 index++;
2166 return 0;
2167 }
2168
2169 static int debugcon_parse(const char *devname)
2170 {
2171 QemuOpts *opts;
2172
2173 if (!qemu_chr_new("debugcon", devname, NULL)) {
2174 exit(1);
2175 }
2176 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2177 if (!opts) {
2178 fprintf(stderr, "qemu: already have a debugcon device\n");
2179 exit(1);
2180 }
2181 qemu_opt_set(opts, "driver", "isa-debugcon");
2182 qemu_opt_set(opts, "chardev", "debugcon");
2183 return 0;
2184 }
2185
2186 static QEMUMachine *machine_parse(const char *name)
2187 {
2188 QEMUMachine *m, *machine = NULL;
2189
2190 if (name) {
2191 machine = find_machine(name);
2192 }
2193 if (machine) {
2194 return machine;
2195 }
2196 printf("Supported machines are:\n");
2197 for (m = first_machine; m != NULL; m = m->next) {
2198 if (m->alias) {
2199 printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2200 }
2201 printf("%-20s %s%s\n", m->name, m->desc,
2202 m->is_default ? " (default)" : "");
2203 }
2204 exit(!name || !is_help_option(name));
2205 }
2206
2207 static int tcg_init(void)
2208 {
2209 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2210 return 0;
2211 }
2212
2213 static struct {
2214 const char *opt_name;
2215 const char *name;
2216 int (*available)(void);
2217 int (*init)(void);
2218 int *allowed;
2219 } accel_list[] = {
2220 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2221 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2222 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2223 { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2224 };
2225
2226 static int configure_accelerator(void)
2227 {
2228 const char *p = NULL;
2229 char buf[10];
2230 int i, ret;
2231 bool accel_initialised = 0;
2232 bool init_failed = 0;
2233
2234 QemuOptsList *list = qemu_find_opts("machine");
2235 if (!QTAILQ_EMPTY(&list->head)) {
2236 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2237 }
2238
2239 if (p == NULL) {
2240 /* Use the default "accelerator", tcg */
2241 p = "tcg";
2242 }
2243
2244 while (!accel_initialised && *p != '\0') {
2245 if (*p == ':') {
2246 p++;
2247 }
2248 p = get_opt_name(buf, sizeof (buf), p, ':');
2249 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2250 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2251 *(accel_list[i].allowed) = 1;
2252 ret = accel_list[i].init();
2253 if (ret < 0) {
2254 init_failed = 1;
2255 if (!accel_list[i].available()) {
2256 printf("%s not supported for this target\n",
2257 accel_list[i].name);
2258 } else {
2259 fprintf(stderr, "failed to initialize %s: %s\n",
2260 accel_list[i].name,
2261 strerror(-ret));
2262 }
2263 *(accel_list[i].allowed) = 0;
2264 } else {
2265 accel_initialised = 1;
2266 }
2267 break;
2268 }
2269 }
2270 if (i == ARRAY_SIZE(accel_list)) {
2271 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2272 }
2273 }
2274
2275 if (!accel_initialised) {
2276 fprintf(stderr, "No accelerator found!\n");
2277 exit(1);
2278 }
2279
2280 if (init_failed) {
2281 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2282 }
2283
2284 return !accel_initialised;
2285 }
2286
2287 void qemu_add_exit_notifier(Notifier *notify)
2288 {
2289 notifier_list_add(&exit_notifiers, notify);
2290 }
2291
2292 void qemu_remove_exit_notifier(Notifier *notify)
2293 {
2294 notifier_remove(notify);
2295 }
2296
2297 static void qemu_run_exit_notifiers(void)
2298 {
2299 notifier_list_notify(&exit_notifiers, NULL);
2300 }
2301
2302 void qemu_add_machine_init_done_notifier(Notifier *notify)
2303 {
2304 notifier_list_add(&machine_init_done_notifiers, notify);
2305 }
2306
2307 static void qemu_run_machine_init_done_notifiers(void)
2308 {
2309 notifier_list_notify(&machine_init_done_notifiers, NULL);
2310 }
2311
2312 static const QEMUOption *lookup_opt(int argc, char **argv,
2313 const char **poptarg, int *poptind)
2314 {
2315 const QEMUOption *popt;
2316 int optind = *poptind;
2317 char *r = argv[optind];
2318 const char *optarg;
2319
2320 loc_set_cmdline(argv, optind, 1);
2321 optind++;
2322 /* Treat --foo the same as -foo. */
2323 if (r[1] == '-')
2324 r++;
2325 popt = qemu_options;
2326 for(;;) {
2327 if (!popt->name) {
2328 error_report("invalid option");
2329 exit(1);
2330 }
2331 if (!strcmp(popt->name, r + 1))
2332 break;
2333 popt++;
2334 }
2335 if (popt->flags & HAS_ARG) {
2336 if (optind >= argc) {
2337 error_report("requires an argument");
2338 exit(1);
2339 }
2340 optarg = argv[optind++];
2341 loc_set_cmdline(argv, optind - 2, 2);
2342 } else {
2343 optarg = NULL;
2344 }
2345
2346 *poptarg = optarg;
2347 *poptind = optind;
2348
2349 return popt;
2350 }
2351
2352 static gpointer malloc_and_trace(gsize n_bytes)
2353 {
2354 void *ptr = malloc(n_bytes);
2355 trace_g_malloc(n_bytes, ptr);
2356 return ptr;
2357 }
2358
2359 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2360 {
2361 void *ptr = realloc(mem, n_bytes);
2362 trace_g_realloc(mem, n_bytes, ptr);
2363 return ptr;
2364 }
2365
2366 static void free_and_trace(gpointer mem)
2367 {
2368 trace_g_free(mem);
2369 free(mem);
2370 }
2371
2372 int qemu_init_main_loop(void)
2373 {
2374 return main_loop_init();
2375 }
2376
2377 int main(int argc, char **argv, char **envp)
2378 {
2379 int i;
2380 int snapshot, linux_boot;
2381 const char *icount_option = NULL;
2382 const char *initrd_filename;
2383 const char *kernel_filename, *kernel_cmdline;
2384 char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2385 DisplayState *ds;
2386 DisplayChangeListener *dcl;
2387 int cyls, heads, secs, translation;
2388 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2389 QemuOptsList *olist;
2390 int optind;
2391 const char *optarg;
2392 const char *loadvm = NULL;
2393 QEMUMachine *machine;
2394 const char *cpu_model;
2395 const char *vga_model = "none";
2396 const char *pid_file = NULL;
2397 const char *incoming = NULL;
2398 #ifdef CONFIG_VNC
2399 int show_vnc_port = 0;
2400 #endif
2401 bool defconfig = true;
2402 bool userconfig = true;
2403 const char *log_mask = NULL;
2404 const char *log_file = NULL;
2405 GMemVTable mem_trace = {
2406 .malloc = malloc_and_trace,
2407 .realloc = realloc_and_trace,
2408 .free = free_and_trace,
2409 };
2410 const char *trace_events = NULL;
2411 const char *trace_file = NULL;
2412
2413 atexit(qemu_run_exit_notifiers);
2414 error_set_progname(argv[0]);
2415
2416 g_mem_set_vtable(&mem_trace);
2417 if (!g_thread_supported()) {
2418 #if !GLIB_CHECK_VERSION(2, 31, 0)
2419 g_thread_init(NULL);
2420 #else
2421 fprintf(stderr, "glib threading failed to initialize.\n");
2422 exit(1);
2423 #endif
2424 }
2425
2426 module_call_init(MODULE_INIT_QOM);
2427
2428 runstate_init();
2429
2430 init_clocks();
2431 rtc_clock = host_clock;
2432
2433 qemu_cache_utils_init(envp);
2434
2435 QLIST_INIT (&vm_change_state_head);
2436 os_setup_early_signal_handling();
2437
2438 module_call_init(MODULE_INIT_MACHINE);
2439 machine = find_default_machine();
2440 cpu_model = NULL;
2441 ram_size = 0;
2442 snapshot = 0;
2443 cyls = heads = secs = 0;
2444 translation = BIOS_ATA_TRANSLATION_AUTO;
2445
2446 for (i = 0; i < MAX_NODES; i++) {
2447 node_mem[i] = 0;
2448 node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2449 }
2450
2451 nb_numa_nodes = 0;
2452 nb_nics = 0;
2453
2454 autostart= 1;
2455
2456 /* first pass of option parsing */
2457 optind = 1;
2458 while (optind < argc) {
2459 if (argv[optind][0] != '-') {
2460 /* disk image */
2461 optind++;
2462 continue;
2463 } else {
2464 const QEMUOption *popt;
2465
2466 popt = lookup_opt(argc, argv, &optarg, &optind);
2467 switch (popt->index) {
2468 case QEMU_OPTION_nodefconfig:
2469 defconfig = false;
2470 break;
2471 case QEMU_OPTION_nouserconfig:
2472 userconfig = false;
2473 break;
2474 }
2475 }
2476 }
2477
2478 if (defconfig) {
2479 int ret;
2480 ret = qemu_read_default_config_files(userconfig);
2481 if (ret < 0) {
2482 exit(1);
2483 }
2484 }
2485
2486 /* second pass of option parsing */
2487 optind = 1;
2488 for(;;) {
2489 if (optind >= argc)
2490 break;
2491 if (argv[optind][0] != '-') {
2492 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2493 } else {
2494 const QEMUOption *popt;
2495
2496 popt = lookup_opt(argc, argv, &optarg, &optind);
2497 if (!(popt->arch_mask & arch_type)) {
2498 printf("Option %s not supported for this target\n", popt->name);
2499 exit(1);
2500 }
2501 switch(popt->index) {
2502 case QEMU_OPTION_M:
2503 machine = machine_parse(optarg);
2504 break;
2505 case QEMU_OPTION_cpu:
2506 /* hw initialization will check this */
2507 cpu_model = optarg;
2508 break;
2509 case QEMU_OPTION_hda:
2510 {
2511 char buf[256];
2512 if (cyls == 0)
2513 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2514 else
2515 snprintf(buf, sizeof(buf),
2516 "%s,cyls=%d,heads=%d,secs=%d%s",
2517 HD_OPTS , cyls, heads, secs,
2518 translation == BIOS_ATA_TRANSLATION_LBA ?
2519 ",trans=lba" :
2520 translation == BIOS_ATA_TRANSLATION_NONE ?
2521 ",trans=none" : "");
2522 drive_add(IF_DEFAULT, 0, optarg, buf);
2523 break;
2524 }
2525 case QEMU_OPTION_hdb:
2526 case QEMU_OPTION_hdc:
2527 case QEMU_OPTION_hdd:
2528 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2529 HD_OPTS);
2530 break;
2531 case QEMU_OPTION_drive:
2532 if (drive_def(optarg) == NULL) {
2533 exit(1);
2534 }
2535 break;
2536 case QEMU_OPTION_set:
2537 if (qemu_set_option(optarg) != 0)
2538 exit(1);
2539 break;
2540 case QEMU_OPTION_global:
2541 if (qemu_global_option(optarg) != 0)
2542 exit(1);
2543 break;
2544 case QEMU_OPTION_mtdblock:
2545 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2546 break;
2547 case QEMU_OPTION_sd:
2548 drive_add(IF_SD, 0, optarg, SD_OPTS);
2549 break;
2550 case QEMU_OPTION_pflash:
2551 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2552 break;
2553 case QEMU_OPTION_snapshot:
2554 snapshot = 1;
2555 break;
2556 case QEMU_OPTION_hdachs:
2557 {
2558 const char *p;
2559 p = optarg;
2560 cyls = strtol(p, (char **)&p, 0);
2561 if (cyls < 1 || cyls > 16383)
2562 goto chs_fail;
2563 if (*p != ',')
2564 goto chs_fail;
2565 p++;
2566 heads = strtol(p, (char **)&p, 0);
2567 if (heads < 1 || heads > 16)
2568 goto chs_fail;
2569 if (*p != ',')
2570 goto chs_fail;
2571 p++;
2572 secs = strtol(p, (char **)&p, 0);
2573 if (secs < 1 || secs > 63)
2574 goto chs_fail;
2575 if (*p == ',') {
2576 p++;
2577 if (!strcmp(p, "none"))
2578 translation = BIOS_ATA_TRANSLATION_NONE;
2579 else if (!strcmp(p, "lba"))
2580 translation = BIOS_ATA_TRANSLATION_LBA;
2581 else if (!strcmp(p, "auto"))
2582 translation = BIOS_ATA_TRANSLATION_AUTO;
2583 else
2584 goto chs_fail;
2585 } else if (*p != '\0') {
2586 chs_fail:
2587 fprintf(stderr, "qemu: invalid physical CHS format\n");
2588 exit(1);
2589 }
2590 if (hda_opts != NULL) {
2591 char num[16];
2592 snprintf(num, sizeof(num), "%d", cyls);
2593 qemu_opt_set(hda_opts, "cyls", num);
2594 snprintf(num, sizeof(num), "%d", heads);
2595 qemu_opt_set(hda_opts, "heads", num);
2596 snprintf(num, sizeof(num), "%d", secs);
2597 qemu_opt_set(hda_opts, "secs", num);
2598 if (translation == BIOS_ATA_TRANSLATION_LBA)
2599 qemu_opt_set(hda_opts, "trans", "lba");
2600 if (translation == BIOS_ATA_TRANSLATION_NONE)
2601 qemu_opt_set(hda_opts, "trans", "none");
2602 }
2603 }
2604 break;
2605 case QEMU_OPTION_numa:
2606 if (nb_numa_nodes >= MAX_NODES) {
2607 fprintf(stderr, "qemu: too many NUMA nodes\n");
2608 exit(1);
2609 }
2610 numa_add(optarg);
2611 break;
2612 case QEMU_OPTION_display:
2613 display_type = select_display(optarg);
2614 break;
2615 case QEMU_OPTION_nographic:
2616 display_type = DT_NOGRAPHIC;
2617 break;
2618 case QEMU_OPTION_curses:
2619 #ifdef CONFIG_CURSES
2620 display_type = DT_CURSES;
2621 #else
2622 fprintf(stderr, "Curses support is disabled\n");
2623 exit(1);
2624 #endif
2625 break;
2626 case QEMU_OPTION_portrait:
2627 graphic_rotate = 90;
2628 break;
2629 case QEMU_OPTION_rotate:
2630 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2631 if (graphic_rotate != 0 && graphic_rotate != 90 &&
2632 graphic_rotate != 180 && graphic_rotate != 270) {
2633 fprintf(stderr,
2634 "qemu: only 90, 180, 270 deg rotation is available\n");
2635 exit(1);
2636 }
2637 break;
2638 case QEMU_OPTION_kernel:
2639 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
2640 break;
2641 case QEMU_OPTION_initrd:
2642 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
2643 break;
2644 case QEMU_OPTION_append:
2645 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
2646 break;
2647 case QEMU_OPTION_dtb:
2648 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
2649 break;
2650 case QEMU_OPTION_cdrom:
2651 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2652 break;
2653 case QEMU_OPTION_boot:
2654 {
2655 static const char * const params[] = {
2656 "order", "once", "menu",
2657 "splash", "splash-time",
2658 "reboot-timeout", NULL
2659 };
2660 char buf[sizeof(boot_devices)];
2661 char *standard_boot_devices;
2662 int legacy = 0;
2663
2664 if (!strchr(optarg, '=')) {
2665 legacy = 1;
2666 pstrcpy(buf, sizeof(buf), optarg);
2667 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2668 fprintf(stderr,
2669 "qemu: unknown boot parameter '%s' in '%s'\n",
2670 buf, optarg);
2671 exit(1);
2672 }
2673
2674 if (legacy ||
2675 get_param_value(buf, sizeof(buf), "order", optarg)) {
2676 validate_bootdevices(buf);
2677 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2678 }
2679 if (!legacy) {
2680 if (get_param_value(buf, sizeof(buf),
2681 "once", optarg)) {
2682 validate_bootdevices(buf);
2683 standard_boot_devices = g_strdup(boot_devices);
2684 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2685 qemu_register_reset(restore_boot_devices,
2686 standard_boot_devices);
2687 }
2688 if (get_param_value(buf, sizeof(buf),
2689 "menu", optarg)) {
2690 if (!strcmp(buf, "on")) {
2691 boot_menu = 1;
2692 } else if (!strcmp(buf, "off")) {
2693 boot_menu = 0;
2694 } else {
2695 fprintf(stderr,
2696 "qemu: invalid option value '%s'\n",
2697 buf);
2698 exit(1);
2699 }
2700 }
2701 qemu_opts_parse(qemu_find_opts("boot-opts"),
2702 optarg, 0);
2703 }
2704 }
2705 break;
2706 case QEMU_OPTION_fda:
2707 case QEMU_OPTION_fdb:
2708 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2709 optarg, FD_OPTS);
2710 break;
2711 case QEMU_OPTION_no_fd_bootchk:
2712 fd_bootchk = 0;
2713 break;
2714 case QEMU_OPTION_netdev:
2715 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2716 exit(1);
2717 }
2718 break;
2719 case QEMU_OPTION_net:
2720 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2721 exit(1);
2722 }
2723 break;
2724 #ifdef CONFIG_LIBISCSI
2725 case QEMU_OPTION_iscsi:
2726 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
2727 if (!opts) {
2728 exit(1);
2729 }
2730 break;
2731 #endif
2732 #ifdef CONFIG_SLIRP
2733 case QEMU_OPTION_tftp:
2734 legacy_tftp_prefix = optarg;
2735 break;
2736 case QEMU_OPTION_bootp:
2737 legacy_bootp_filename = optarg;
2738 break;
2739 case QEMU_OPTION_redir:
2740 if (net_slirp_redir(optarg) < 0)
2741 exit(1);
2742 break;
2743 #endif
2744 case QEMU_OPTION_bt:
2745 add_device_config(DEV_BT, optarg);
2746 break;
2747 case QEMU_OPTION_audio_help:
2748 if (!(audio_available())) {
2749 printf("Option %s not supported for this target\n", popt->name);
2750 exit(1);
2751 }
2752 AUD_help ();
2753 exit (0);
2754 break;
2755 case QEMU_OPTION_soundhw:
2756 if (!(audio_available())) {
2757 printf("Option %s not supported for this target\n", popt->name);
2758 exit(1);
2759 }
2760 select_soundhw (optarg);
2761 break;
2762 case QEMU_OPTION_h:
2763 help(0);
2764 break;
2765 case QEMU_OPTION_version:
2766 version();
2767 exit(0);
2768 break;
2769 case QEMU_OPTION_m: {
2770 int64_t value;
2771 uint64_t sz;
2772 char *end;
2773
2774 value = strtosz(optarg, &end);
2775 if (value < 0 || *end) {
2776 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2777 exit(1);
2778 }
2779 sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
2780 ram_size = sz;
2781 if (ram_size != sz) {
2782 fprintf(stderr, "qemu: ram size too large\n");
2783 exit(1);
2784 }
2785 break;
2786 }
2787 case QEMU_OPTION_mempath:
2788 mem_path = optarg;
2789 break;
2790 #ifdef MAP_POPULATE
2791 case QEMU_OPTION_mem_prealloc:
2792 mem_prealloc = 1;
2793 break;
2794 #endif
2795 case QEMU_OPTION_d:
2796 log_mask = optarg;
2797 break;
2798 case QEMU_OPTION_D:
2799 log_file = optarg;
2800 break;
2801 case QEMU_OPTION_s:
2802 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
2803 break;
2804 case QEMU_OPTION_gdb:
2805 add_device_config(DEV_GDB, optarg);
2806 break;
2807 case QEMU_OPTION_L:
2808 data_dir = optarg;
2809 break;
2810 case QEMU_OPTION_bios:
2811 bios_name = optarg;
2812 break;
2813 case QEMU_OPTION_singlestep:
2814 singlestep = 1;
2815 break;
2816 case QEMU_OPTION_S:
2817 autostart = 0;
2818 break;
2819 case QEMU_OPTION_k:
2820 keyboard_layout = optarg;
2821 break;
2822 case QEMU_OPTION_localtime:
2823 rtc_utc = 0;
2824 break;
2825 case QEMU_OPTION_vga:
2826 vga_model = optarg;
2827 default_vga = 0;
2828 break;
2829 case QEMU_OPTION_g:
2830 {
2831 const char *p;
2832 int w, h, depth;
2833 p = optarg;
2834 w = strtol(p, (char **)&p, 10);
2835 if (w <= 0) {
2836 graphic_error:
2837 fprintf(stderr, "qemu: invalid resolution or depth\n");
2838 exit(1);
2839 }
2840 if (*p != 'x')
2841 goto graphic_error;
2842 p++;
2843 h = strtol(p, (char **)&p, 10);
2844 if (h <= 0)
2845 goto graphic_error;
2846 if (*p == 'x') {
2847 p++;
2848 depth = strtol(p, (char **)&p, 10);
2849 if (depth != 8 && depth != 15 && depth != 16 &&
2850 depth != 24 && depth != 32)
2851 goto graphic_error;
2852 } else if (*p == '\0') {
2853 depth = graphic_depth;
2854 } else {
2855 goto graphic_error;
2856 }
2857
2858 graphic_width = w;
2859 graphic_height = h;
2860 graphic_depth = depth;
2861 }
2862 break;
2863 case QEMU_OPTION_echr:
2864 {
2865 char *r;
2866 term_escape_char = strtol(optarg, &r, 0);
2867 if (r == optarg)
2868 printf("Bad argument to echr\n");
2869 break;
2870 }
2871 case QEMU_OPTION_monitor:
2872 monitor_parse(optarg, "readline");
2873 default_monitor = 0;
2874 break;
2875 case QEMU_OPTION_qmp:
2876 monitor_parse(optarg, "control");
2877 default_monitor = 0;
2878 break;
2879 case QEMU_OPTION_mon:
2880 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2881 if (!opts) {
2882 exit(1);
2883 }
2884 default_monitor = 0;
2885 break;
2886 case QEMU_OPTION_chardev:
2887 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2888 if (!opts) {
2889 exit(1);
2890 }
2891 break;
2892 case QEMU_OPTION_fsdev:
2893 olist = qemu_find_opts("fsdev");
2894 if (!olist) {
2895 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2896 exit(1);
2897 }
2898 opts = qemu_opts_parse(olist, optarg, 1);
2899 if (!opts) {
2900 fprintf(stderr, "parse error: %s\n", optarg);
2901 exit(1);
2902 }
2903 break;
2904 case QEMU_OPTION_virtfs: {
2905 QemuOpts *fsdev;
2906 QemuOpts *device;
2907 const char *writeout, *sock_fd, *socket;
2908
2909 olist = qemu_find_opts("virtfs");
2910 if (!olist) {
2911 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2912 exit(1);
2913 }
2914 opts = qemu_opts_parse(olist, optarg, 1);
2915 if (!opts) {
2916 fprintf(stderr, "parse error: %s\n", optarg);
2917 exit(1);
2918 }
2919
2920 if (qemu_opt_get(opts, "fsdriver") == NULL ||
2921 qemu_opt_get(opts, "mount_tag") == NULL) {
2922 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
2923 exit(1);
2924 }
2925 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
2926 qemu_opt_get(opts, "mount_tag"),
2927 1, NULL);
2928 if (!fsdev) {
2929 fprintf(stderr, "duplicate fsdev id: %s\n",
2930 qemu_opt_get(opts, "mount_tag"));
2931 exit(1);
2932 }
2933
2934 writeout = qemu_opt_get(opts, "writeout");
2935 if (writeout) {
2936 #ifdef CONFIG_SYNC_FILE_RANGE
2937 qemu_opt_set(fsdev, "writeout", writeout);
2938 #else
2939 fprintf(stderr, "writeout=immediate not supported on "
2940 "this platform\n");
2941 exit(1);
2942 #endif
2943 }
2944 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
2945 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
2946 qemu_opt_set(fsdev, "security_model",
2947 qemu_opt_get(opts, "security_model"));
2948 socket = qemu_opt_get(opts, "socket");
2949 if (socket) {
2950 qemu_opt_set(fsdev, "socket", socket);
2951 }
2952 sock_fd = qemu_opt_get(opts, "sock_fd");
2953 if (sock_fd) {
2954 qemu_opt_set(fsdev, "sock_fd", sock_fd);
2955 }
2956
2957 qemu_opt_set_bool(fsdev, "readonly",
2958 qemu_opt_get_bool(opts, "readonly", 0));
2959 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2960 NULL);
2961 qemu_opt_set(device, "driver", "virtio-9p-pci");
2962 qemu_opt_set(device, "fsdev",
2963 qemu_opt_get(opts, "mount_tag"));
2964 qemu_opt_set(device, "mount_tag",
2965 qemu_opt_get(opts, "mount_tag"));
2966 break;
2967 }
2968 case QEMU_OPTION_virtfs_synth: {
2969 QemuOpts *fsdev;
2970 QemuOpts *device;
2971
2972 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
2973 1, NULL);
2974 if (!fsdev) {
2975 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
2976 exit(1);
2977 }
2978 qemu_opt_set(fsdev, "fsdriver", "synth");
2979
2980 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2981 NULL);
2982 qemu_opt_set(device, "driver", "virtio-9p-pci");
2983 qemu_opt_set(device, "fsdev", "v_synth");
2984 qemu_opt_set(device, "mount_tag", "v_synth");
2985 break;
2986 }
2987 case QEMU_OPTION_serial:
2988 add_device_config(DEV_SERIAL, optarg);
2989 default_serial = 0;
2990 if (strncmp(optarg, "mon:", 4) == 0) {
2991 default_monitor = 0;
2992 }
2993 break;
2994 case QEMU_OPTION_watchdog:
2995 if (watchdog) {
2996 fprintf(stderr,
2997 "qemu: only one watchdog option may be given\n");
2998 return 1;
2999 }
3000 watchdog = optarg;
3001 break;
3002 case QEMU_OPTION_watchdog_action:
3003 if (select_watchdog_action(optarg) == -1) {
3004 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3005 exit(1);
3006 }
3007 break;
3008 case QEMU_OPTION_virtiocon:
3009 add_device_config(DEV_VIRTCON, optarg);
3010 default_virtcon = 0;
3011 if (strncmp(optarg, "mon:", 4) == 0) {
3012 default_monitor = 0;
3013 }
3014 break;
3015 case QEMU_OPTION_parallel:
3016 add_device_config(DEV_PARALLEL, optarg);
3017 default_parallel = 0;
3018 if (strncmp(optarg, "mon:", 4) == 0) {
3019 default_monitor = 0;
3020 }
3021 break;
3022 case QEMU_OPTION_debugcon:
3023 add_device_config(DEV_DEBUGCON, optarg);
3024 break;
3025 case QEMU_OPTION_loadvm:
3026 loadvm = optarg;
3027 break;
3028 case QEMU_OPTION_full_screen:
3029 full_screen = 1;
3030 break;
3031 #ifdef CONFIG_SDL
3032 case QEMU_OPTION_no_frame:
3033 no_frame = 1;
3034 break;
3035 case QEMU_OPTION_alt_grab:
3036 alt_grab = 1;
3037 break;
3038 case QEMU_OPTION_ctrl_grab:
3039 ctrl_grab = 1;
3040 break;
3041 case QEMU_OPTION_no_quit:
3042 no_quit = 1;
3043 break;
3044 case QEMU_OPTION_sdl:
3045 display_type = DT_SDL;
3046 break;
3047 #else
3048 case QEMU_OPTION_no_frame:
3049 case QEMU_OPTION_alt_grab:
3050 case QEMU_OPTION_ctrl_grab:
3051 case QEMU_OPTION_no_quit:
3052 case QEMU_OPTION_sdl:
3053 fprintf(stderr, "SDL support is disabled\n");
3054 exit(1);
3055 #endif
3056 case QEMU_OPTION_pidfile:
3057 pid_file = optarg;
3058 break;
3059 case QEMU_OPTION_win2k_hack:
3060 win2k_install_hack = 1;
3061 break;
3062 case QEMU_OPTION_rtc_td_hack: {
3063 static GlobalProperty slew_lost_ticks[] = {
3064 {
3065 .driver = "mc146818rtc",
3066 .property = "lost_tick_policy",
3067 .value = "slew",
3068 },
3069 { /* end of list */ }
3070 };
3071
3072 qdev_prop_register_global_list(slew_lost_ticks);
3073 break;
3074 }
3075 case QEMU_OPTION_acpitable:
3076 do_acpitable_option(optarg);
3077 break;
3078 case QEMU_OPTION_smbios:
3079 do_smbios_option(optarg);
3080 break;
3081 case QEMU_OPTION_enable_kvm:
3082 olist = qemu_find_opts("machine");
3083 qemu_opts_parse(olist, "accel=kvm", 0);
3084 break;
3085 case QEMU_OPTION_machine:
3086 olist = qemu_find_opts("machine");
3087 opts = qemu_opts_parse(olist, optarg, 1);
3088 if (!opts) {
3089 fprintf(stderr, "parse error: %s\n", optarg);
3090 exit(1);
3091 }
3092 optarg = qemu_opt_get(opts, "type");
3093 if (optarg) {
3094 machine = machine_parse(optarg);
3095 }
3096 break;
3097 case QEMU_OPTION_usb:
3098 machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3099 if (machine_opts) {
3100 qemu_opt_set_bool(machine_opts, "usb", true);
3101 }
3102 break;
3103 case QEMU_OPTION_usbdevice:
3104 machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3105 if (machine_opts) {
3106 qemu_opt_set_bool(machine_opts, "usb", true);
3107 }
3108 add_device_config(DEV_USB, optarg);
3109 break;
3110 case QEMU_OPTION_device:
3111 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3112 exit(1);
3113 }
3114 break;
3115 case QEMU_OPTION_smp:
3116 smp_parse(optarg);
3117 if (smp_cpus < 1) {
3118 fprintf(stderr, "Invalid number of CPUs\n");
3119 exit(1);
3120 }
3121 if (max_cpus < smp_cpus) {
3122 fprintf(stderr, "maxcpus must be equal to or greater than "
3123 "smp\n");
3124 exit(1);
3125 }
3126 if (max_cpus > 255) {
3127 fprintf(stderr, "Unsupported number of maxcpus\n");
3128 exit(1);
3129 }
3130 break;
3131 case QEMU_OPTION_vnc:
3132 #ifdef CONFIG_VNC
3133 display_remote++;
3134 vnc_display = optarg;
3135 #else
3136 fprintf(stderr, "VNC support is disabled\n");
3137 exit(1);
3138 #endif
3139 break;
3140 case QEMU_OPTION_no_acpi:
3141 acpi_enabled = 0;
3142 break;
3143 case QEMU_OPTION_no_hpet:
3144 no_hpet = 1;
3145 break;
3146 case QEMU_OPTION_balloon:
3147 if (balloon_parse(optarg) < 0) {
3148 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3149 exit(1);
3150 }
3151 break;
3152 case QEMU_OPTION_no_reboot:
3153 no_reboot = 1;
3154 break;
3155 case QEMU_OPTION_no_shutdown:
3156 no_shutdown = 1;
3157 break;
3158 case QEMU_OPTION_show_cursor:
3159 cursor_hide = 0;
3160 break;
3161 case QEMU_OPTION_uuid:
3162 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3163 fprintf(stderr, "Fail to parse UUID string."
3164 " Wrong format.\n");
3165 exit(1);
3166 }
3167 break;
3168 case QEMU_OPTION_option_rom:
3169 if (nb_option_roms >= MAX_OPTION_ROMS) {
3170 fprintf(stderr, "Too many option ROMs\n");
3171 exit(1);
3172 }
3173 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3174 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3175 option_rom[nb_option_roms].bootindex =
3176 qemu_opt_get_number(opts, "bootindex", -1);
3177 if (!option_rom[nb_option_roms].name) {
3178 fprintf(stderr, "Option ROM file is not specified\n");
3179 exit(1);
3180 }
3181 nb_option_roms++;
3182 break;
3183 case QEMU_OPTION_semihosting:
3184 semihosting_enabled = 1;
3185 break;
3186 case QEMU_OPTION_name:
3187 qemu_name = g_strdup(optarg);
3188 {
3189 char *p = strchr(qemu_name, ',');
3190 if (p != NULL) {
3191 *p++ = 0;
3192 if (strncmp(p, "process=", 8)) {
3193 fprintf(stderr, "Unknown subargument %s to -name\n", p);
3194 exit(1);
3195 }
3196 p += 8;
3197 os_set_proc_name(p);
3198 }
3199 }
3200 break;
3201 case QEMU_OPTION_prom_env:
3202 if (nb_prom_envs >= MAX_PROM_ENVS) {
3203 fprintf(stderr, "Too many prom variables\n");
3204 exit(1);
3205 }
3206 prom_envs[nb_prom_envs] = optarg;
3207 nb_prom_envs++;
3208 break;
3209 case QEMU_OPTION_old_param:
3210 old_param = 1;
3211 break;
3212 case QEMU_OPTION_clock:
3213 configure_alarms(optarg);
3214 break;
3215 case QEMU_OPTION_startdate:
3216 configure_rtc_date_offset(optarg, 1);
3217 break;
3218 case QEMU_OPTION_rtc:
3219 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3220 if (!opts) {
3221 exit(1);
3222 }
3223 configure_rtc(opts);
3224 break;
3225 case QEMU_OPTION_tb_size:
3226 tcg_tb_size = strtol(optarg, NULL, 0);
3227 if (tcg_tb_size < 0) {
3228 tcg_tb_size = 0;
3229 }
3230 break;
3231 case QEMU_OPTION_icount:
3232 icount_option = optarg;
3233 break;
3234 case QEMU_OPTION_incoming:
3235 incoming = optarg;
3236 runstate_set(RUN_STATE_INMIGRATE);
3237 break;
3238 case QEMU_OPTION_nodefaults:
3239 default_serial = 0;
3240 default_parallel = 0;
3241 default_virtcon = 0;
3242 default_monitor = 0;
3243 default_net = 0;
3244 default_floppy = 0;
3245 default_cdrom = 0;
3246 default_sdcard = 0;
3247 default_vga = 0;
3248 break;
3249 case QEMU_OPTION_xen_domid:
3250 if (!(xen_available())) {
3251 printf("Option %s not supported for this target\n", popt->name);
3252 exit(1);
3253 }
3254 xen_domid = atoi(optarg);
3255 break;
3256 case QEMU_OPTION_xen_create:
3257 if (!(xen_available())) {
3258 printf("Option %s not supported for this target\n", popt->name);
3259 exit(1);
3260 }
3261 xen_mode = XEN_CREATE;
3262 break;
3263 case QEMU_OPTION_xen_attach:
3264 if (!(xen_available())) {
3265 printf("Option %s not supported for this target\n", popt->name);
3266 exit(1);
3267 }
3268 xen_mode = XEN_ATTACH;
3269 break;
3270 case QEMU_OPTION_trace:
3271 {
3272 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3273 if (!opts) {
3274 exit(1);
3275 }
3276 trace_events = qemu_opt_get(opts, "events");
3277 trace_file = qemu_opt_get(opts, "file");
3278 break;
3279 }
3280 case QEMU_OPTION_readconfig:
3281 {
3282 int ret = qemu_read_config_file(optarg);
3283 if (ret < 0) {
3284 fprintf(stderr, "read config %s: %s\n", optarg,
3285 strerror(-ret));
3286 exit(1);
3287 }
3288 break;
3289 }
3290 case QEMU_OPTION_spice:
3291 olist = qemu_find_opts("spice");
3292 if (!olist) {
3293 fprintf(stderr, "spice is not supported by this qemu build.\n");
3294 exit(1);
3295 }
3296 opts = qemu_opts_parse(olist, optarg, 0);
3297 if (!opts) {
3298 fprintf(stderr, "parse error: %s\n", optarg);
3299 exit(1);
3300 }
3301 break;
3302 case QEMU_OPTION_writeconfig:
3303 {
3304 FILE *fp;
3305 if (strcmp(optarg, "-") == 0) {
3306 fp = stdout;
3307 } else {
3308 fp = fopen(optarg, "w");
3309 if (fp == NULL) {
3310 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3311 exit(1);
3312 }
3313 }
3314 qemu_config_write(fp);
3315 fclose(fp);
3316 break;
3317 }
3318 case QEMU_OPTION_qtest:
3319 qtest_chrdev = optarg;
3320 break;
3321 case QEMU_OPTION_qtest_log:
3322 qtest_log = optarg;
3323 break;
3324 case QEMU_OPTION_sandbox:
3325 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3326 if (!opts) {
3327 exit(0);
3328 }
3329 break;
3330 default:
3331 os_parse_cmd_args(popt->index, optarg);
3332 }
3333 }
3334 }
3335 loc_set_none();
3336
3337 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3338 exit(1);
3339 }
3340
3341 if (machine == NULL) {
3342 fprintf(stderr, "No machine found.\n");
3343 exit(1);
3344 }
3345
3346 if (machine->hw_version) {
3347 qemu_set_version(machine->hw_version);
3348 }
3349
3350 /* Init CPU def lists, based on config
3351 * - Must be called after all the qemu_read_config_file() calls
3352 * - Must be called before list_cpus()
3353 * - Must be called before machine->init()
3354 */
3355 cpudef_init();
3356
3357 if (cpu_model && is_help_option(cpu_model)) {
3358 list_cpus(stdout, &fprintf, cpu_model);
3359 exit(0);
3360 }
3361
3362 /* Open the logfile at this point, if necessary. We can't open the logfile
3363 * when encountering either of the logging options (-d or -D) because the
3364 * other one may be encountered later on the command line, changing the
3365 * location or level of logging.
3366 */
3367 if (log_mask) {
3368 if (log_file) {
3369 set_cpu_log_filename(log_file);
3370 }
3371 set_cpu_log(log_mask);
3372 }
3373
3374 if (!trace_backend_init(trace_events, trace_file)) {
3375 exit(1);
3376 }
3377
3378 /* If no data_dir is specified then try to find it relative to the
3379 executable path. */
3380 if (!data_dir) {
3381 data_dir = os_find_datadir(argv[0]);
3382 }
3383 /* If all else fails use the install path specified when building. */
3384 if (!data_dir) {
3385 data_dir = CONFIG_QEMU_DATADIR;
3386 }
3387
3388 /*
3389 * Default to max_cpus = smp_cpus, in case the user doesn't
3390 * specify a max_cpus value.
3391 */
3392 if (!max_cpus)
3393 max_cpus = smp_cpus;
3394
3395 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3396 if (smp_cpus > machine->max_cpus) {
3397 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3398 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
3399 machine->max_cpus);
3400 exit(1);
3401 }
3402
3403 /*
3404 * Get the default machine options from the machine if it is not already
3405 * specified either by the configuration file or by the command line.
3406 */
3407 if (machine->default_machine_opts) {
3408 qemu_opts_set_defaults(qemu_find_opts("machine"),
3409 machine->default_machine_opts, 0);
3410 }
3411
3412 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3413 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3414
3415 if (machine->no_serial) {
3416 default_serial = 0;
3417 }
3418 if (machine->no_parallel) {
3419 default_parallel = 0;
3420 }
3421 if (!machine->use_virtcon) {
3422 default_virtcon = 0;
3423 }
3424 if (machine->no_floppy) {
3425 default_floppy = 0;
3426 }
3427 if (machine->no_cdrom) {
3428 default_cdrom = 0;
3429 }
3430 if (machine->no_sdcard) {
3431 default_sdcard = 0;
3432 }
3433
3434 if (display_type == DT_NOGRAPHIC) {
3435 if (default_parallel)
3436 add_device_config(DEV_PARALLEL, "null");
3437 if (default_serial && default_monitor) {
3438 add_device_config(DEV_SERIAL, "mon:stdio");
3439 } else if (default_virtcon && default_monitor) {
3440 add_device_config(DEV_VIRTCON, "mon:stdio");
3441 } else {
3442 if (default_serial)
3443 add_device_config(DEV_SERIAL, "stdio");
3444 if (default_virtcon)
3445 add_device_config(DEV_VIRTCON, "stdio");
3446 if (default_monitor)
3447 monitor_parse("stdio", "readline");
3448 }
3449 } else {
3450 if (default_serial)
3451 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3452 if (default_parallel)
3453 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3454 if (default_monitor)
3455 monitor_parse("vc:80Cx24C", "readline");
3456 if (default_virtcon)
3457 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3458 }
3459
3460 socket_init();
3461
3462 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3463 exit(1);
3464 #ifdef CONFIG_VIRTFS
3465 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3466 exit(1);
3467 }
3468 #endif
3469
3470 os_daemonize();
3471
3472 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3473 os_pidfile_error();
3474 exit(1);
3475 }
3476
3477 /* init the memory */
3478 if (ram_size == 0) {
3479 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3480 }
3481
3482 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
3483 != 0) {
3484 exit(0);
3485 }
3486
3487 configure_accelerator();
3488
3489 qemu_init_cpu_loop();
3490 if (qemu_init_main_loop()) {
3491 fprintf(stderr, "qemu_init_main_loop failed\n");
3492 exit(1);
3493 }
3494
3495 machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3496 if (machine_opts) {
3497 kernel_filename = qemu_opt_get(machine_opts, "kernel");
3498 initrd_filename = qemu_opt_get(machine_opts, "initrd");
3499 kernel_cmdline = qemu_opt_get(machine_opts, "append");
3500 } else {
3501 kernel_filename = initrd_filename = kernel_cmdline = NULL;
3502 }
3503
3504 if (!kernel_cmdline) {
3505 kernel_cmdline = "";
3506 }
3507
3508 linux_boot = (kernel_filename != NULL);
3509
3510 if (!linux_boot && *kernel_cmdline != '\0') {
3511 fprintf(stderr, "-append only allowed with -kernel option\n");
3512 exit(1);
3513 }
3514
3515 if (!linux_boot && initrd_filename != NULL) {
3516 fprintf(stderr, "-initrd only allowed with -kernel option\n");
3517 exit(1);
3518 }
3519
3520 if (!linux_boot && machine_opts && qemu_opt_get(machine_opts, "dtb")) {
3521 fprintf(stderr, "-dtb only allowed with -kernel option\n");
3522 exit(1);
3523 }
3524
3525 os_set_line_buffering();
3526
3527 if (init_timer_alarm() < 0) {
3528 fprintf(stderr, "could not initialize alarm timer\n");
3529 exit(1);
3530 }
3531
3532 #ifdef CONFIG_SPICE
3533 /* spice needs the timers to be initialized by this point */
3534 qemu_spice_init();
3535 #endif
3536
3537 if (icount_option && (kvm_enabled() || xen_enabled())) {
3538 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
3539 exit(1);
3540 }
3541 configure_icount(icount_option);
3542
3543 if (net_init_clients() < 0) {
3544 exit(1);
3545 }
3546
3547 /* init the bluetooth world */
3548 if (foreach_device_config(DEV_BT, bt_parse))
3549 exit(1);
3550
3551 if (!xen_enabled()) {
3552 /* On 32-bit hosts, QEMU is limited by virtual address space */
3553 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
3554 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
3555 exit(1);
3556 }
3557 }
3558
3559 cpu_exec_init_all();
3560
3561 bdrv_init_with_whitelist();
3562
3563 blk_mig_init();
3564
3565 /* open the virtual block devices */
3566 if (snapshot)
3567 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3568 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
3569 exit(1);
3570
3571 default_drive(default_cdrom, snapshot, machine->use_scsi,
3572 IF_DEFAULT, 2, CDROM_OPTS);
3573 default_drive(default_floppy, snapshot, machine->use_scsi,
3574 IF_FLOPPY, 0, FD_OPTS);
3575 default_drive(default_sdcard, snapshot, machine->use_scsi,
3576 IF_SD, 0, SD_OPTS);
3577
3578 register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
3579
3580 if (nb_numa_nodes > 0) {
3581 int i;
3582
3583 if (nb_numa_nodes > MAX_NODES) {
3584 nb_numa_nodes = MAX_NODES;
3585 }
3586
3587 /* If no memory size if given for any node, assume the default case
3588 * and distribute the available memory equally across all nodes
3589 */
3590 for (i = 0; i < nb_numa_nodes; i++) {
3591 if (node_mem[i] != 0)
3592 break;
3593 }
3594 if (i == nb_numa_nodes) {
3595 uint64_t usedmem = 0;
3596
3597 /* On Linux, the each node's border has to be 8MB aligned,
3598 * the final node gets the rest.
3599 */
3600 for (i = 0; i < nb_numa_nodes - 1; i++) {
3601 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3602 usedmem += node_mem[i];
3603 }
3604 node_mem[i] = ram_size - usedmem;
3605 }
3606
3607 for (i = 0; i < nb_numa_nodes; i++) {
3608 if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
3609 break;
3610 }
3611 }
3612 /* assigning the VCPUs round-robin is easier to implement, guest OSes
3613 * must cope with this anyway, because there are BIOSes out there in
3614 * real machines which also use this scheme.
3615 */
3616 if (i == nb_numa_nodes) {
3617 for (i = 0; i < max_cpus; i++) {
3618 set_bit(i, node_cpumask[i % nb_numa_nodes]);
3619 }
3620 }
3621 }
3622
3623 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3624 exit(1);
3625 }
3626
3627 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3628 exit(1);
3629 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3630 exit(1);
3631 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3632 exit(1);
3633 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3634 exit(1);
3635
3636 /* If no default VGA is requested, the default is "none". */
3637 if (default_vga) {
3638 if (cirrus_vga_available()) {
3639 vga_model = "cirrus";
3640 } else if (vga_available()) {
3641 vga_model = "std";
3642 }
3643 }
3644 select_vgahw(vga_model);
3645
3646 if (watchdog) {
3647 i = select_watchdog(watchdog);
3648 if (i > 0)
3649 exit (i == 1 ? 1 : 0);
3650 }
3651
3652 if (machine->compat_props) {
3653 qdev_prop_register_global_list(machine->compat_props);
3654 }
3655 qemu_add_globals();
3656
3657 qdev_machine_init();
3658
3659 QEMUMachineInitArgs args = { .ram_size = ram_size,
3660 .boot_device = boot_devices,
3661 .kernel_filename = kernel_filename,
3662 .kernel_cmdline = kernel_cmdline,
3663 .initrd_filename = initrd_filename,
3664 .cpu_model = cpu_model };
3665 machine->init(&args);
3666
3667 cpu_synchronize_all_post_init();
3668
3669 set_numa_modes();
3670
3671 current_machine = machine;
3672
3673 /* init USB devices */
3674 if (usb_enabled(false)) {
3675 if (foreach_device_config(DEV_USB, usb_parse) < 0)
3676 exit(1);
3677 }
3678
3679 /* init generic devices */
3680 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3681 exit(1);
3682
3683 net_check_clients();
3684
3685 /* just use the first displaystate for the moment */
3686 ds = get_displaystate();
3687
3688 if (using_spice)
3689 display_remote++;
3690 if (display_type == DT_DEFAULT && !display_remote) {
3691 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3692 display_type = DT_SDL;
3693 #elif defined(CONFIG_VNC)
3694 vnc_display = "localhost:0,to=99";
3695 show_vnc_port = 1;
3696 #else
3697 display_type = DT_NONE;
3698 #endif
3699 }
3700
3701
3702 /* init local displays */
3703 switch (display_type) {
3704 case DT_NOGRAPHIC:
3705 break;
3706 #if defined(CONFIG_CURSES)
3707 case DT_CURSES:
3708 if (!is_daemonized()) {
3709 curses_display_init(ds, full_screen);
3710 }
3711 break;
3712 #endif
3713 #if defined(CONFIG_SDL)
3714 case DT_SDL:
3715 sdl_display_init(ds, full_screen, no_frame);
3716 break;
3717 #elif defined(CONFIG_COCOA)
3718 case DT_SDL:
3719 cocoa_display_init(ds, full_screen);
3720 break;
3721 #endif
3722 default:
3723 break;
3724 }
3725
3726 /* must be after terminal init, SDL library changes signal handlers */
3727 os_setup_signal_handling();
3728
3729 #ifdef CONFIG_VNC
3730 /* init remote displays */
3731 if (vnc_display) {
3732 Error *local_err = NULL;
3733 vnc_display_init(ds);
3734 vnc_display_open(ds, vnc_display, &local_err);
3735 if (local_err != NULL) {
3736 fprintf(stderr, "Failed to start VNC server on `%s': %s\n",
3737 vnc_display, error_get_pretty(local_err));
3738 error_free(local_err);
3739 exit(1);
3740 }
3741
3742 if (show_vnc_port) {
3743 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3744 }
3745 }
3746 #endif
3747 #ifdef CONFIG_SPICE
3748 if (using_spice && !qxl_enabled) {
3749 qemu_spice_display_init(ds);
3750 }
3751 #endif
3752
3753 /* display setup */
3754 dpy_resize(ds);
3755 dcl = ds->listeners;
3756 while (dcl != NULL) {
3757 if (dcl->dpy_refresh != NULL) {
3758 ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
3759 qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
3760 break;
3761 }
3762 dcl = dcl->next;
3763 }
3764 text_consoles_set_display(ds);
3765
3766 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
3767 exit(1);
3768 }
3769
3770 qdev_machine_creation_done();
3771
3772 if (rom_load_all() != 0) {
3773 fprintf(stderr, "rom loading failed\n");
3774 exit(1);
3775 }
3776
3777 /* TODO: once all bus devices are qdevified, this should be done
3778 * when bus is created by qdev.c */
3779 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3780 qemu_run_machine_init_done_notifiers();
3781
3782 qemu_system_reset(VMRESET_SILENT);
3783 if (loadvm) {
3784 if (load_vmstate(loadvm) < 0) {
3785 autostart = 0;
3786 }
3787 }
3788
3789 if (incoming) {
3790 Error *local_err = NULL;
3791 qemu_start_incoming_migration(incoming, &local_err);
3792 if (local_err) {
3793 fprintf(stderr, "-incoming %s: %s\n", incoming, error_get_pretty(local_err));
3794 error_free(local_err);
3795 exit(1);
3796 }
3797 } else if (autostart) {
3798 vm_start();
3799 }
3800
3801 os_setup_post();
3802
3803 resume_all_vcpus();
3804 main_loop();
3805 bdrv_close_all();
3806 pause_all_vcpus();
3807 net_cleanup();
3808 res_free();
3809
3810 return 0;
3811 }
AR7 emulation for QEMU