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hw: add OpenCores 10/100 Mbps Ethernet controller
[qemu.git] / vl.c
blob2dce3ae51e387c0b526983ac515c1644b646b44e
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
32 /* Needed early for CONFIG_BSD etc. */
33 #include "config-host.h"
34
35 #ifndef _WIN32
36 #include <libgen.h>
37 #include <sys/times.h>
38 #include <sys/wait.h>
39 #include <termios.h>
40 #include <sys/mman.h>
41 #include <sys/ioctl.h>
42 #include <sys/resource.h>
43 #include <sys/socket.h>
44 #include <netinet/in.h>
45 #include <net/if.h>
46 #include <arpa/inet.h>
47 #include <dirent.h>
48 #include <netdb.h>
49 #include <sys/select.h>
50
51 #ifdef CONFIG_BSD
52 #include <sys/stat.h>
53 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
54 #include <libutil.h>
55 #include <sys/sysctl.h>
56 #else
57 #include <util.h>
58 #endif
59 #else
60 #ifdef __linux__
61 #include <pty.h>
62 #include <malloc.h>
63
64 #include <linux/ppdev.h>
65 #include <linux/parport.h>
66 #endif
67 #ifdef __sun__
68 #include <sys/stat.h>
69 #include <sys/ethernet.h>
70 #include <sys/sockio.h>
71 #include <netinet/arp.h>
72 #include <netinet/in_systm.h>
73 #include <netinet/ip.h>
74 #include <netinet/ip_icmp.h> // must come after ip.h
75 #include <netinet/udp.h>
76 #include <netinet/tcp.h>
77 #include <net/if.h>
78 #include <syslog.h>
79 #include <stropts.h>
80 #endif
81 #endif
82 #endif
83
84 #if defined(__OpenBSD__)
85 #include <util.h>
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 "block.h"
140 #include "blockdev.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 "qemu-option.h"
147 #include "qemu-config.h"
148 #include "qemu-objects.h"
149 #include "qemu-options.h"
150 #include "qmp-commands.h"
151 #ifdef CONFIG_VIRTFS
152 #include "fsdev/qemu-fsdev.h"
153 #endif
154
155 #include "disas.h"
156
157 #include "qemu_socket.h"
158
159 #include "slirp/libslirp.h"
160
161 #include "trace.h"
162 #include "trace/control.h"
163 #include "qemu-queue.h"
164 #include "cpus.h"
165 #include "arch_init.h"
166
167 #include "ui/qemu-spice.h"
168
169 //#define DEBUG_NET
170 //#define DEBUG_SLIRP
171
172 #define DEFAULT_RAM_SIZE 128
173
174 #define MAX_VIRTIO_CONSOLES 1
175
176 static const char *data_dir;
177 const char *bios_name = NULL;
178 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
179 DisplayType display_type = DT_DEFAULT;
180 int display_remote = 0;
181 const char* keyboard_layout = NULL;
182 ram_addr_t ram_size;
183 const char *mem_path = NULL;
184 #ifdef MAP_POPULATE
185 int mem_prealloc = 0; /* force preallocation of physical target memory */
186 #endif
187 int nb_nics;
188 NICInfo nd_table[MAX_NICS];
189 int autostart;
190 static int rtc_utc = 1;
191 static int rtc_date_offset = -1; /* -1 means no change */
192 QEMUClock *rtc_clock;
193 int vga_interface_type = VGA_NONE;
194 static int full_screen = 0;
195 #ifdef CONFIG_SDL
196 static int no_frame = 0;
197 #endif
198 int no_quit = 0;
199 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
200 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
201 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
202 int win2k_install_hack = 0;
203 int rtc_td_hack = 0;
204 int usb_enabled = 0;
205 int singlestep = 0;
206 int smp_cpus = 1;
207 int max_cpus = 0;
208 int smp_cores = 1;
209 int smp_threads = 1;
210 #ifdef CONFIG_VNC
211 const char *vnc_display;
212 #endif
213 int acpi_enabled = 1;
214 int no_hpet = 0;
215 int fd_bootchk = 1;
216 int no_reboot = 0;
217 int no_shutdown = 0;
218 int cursor_hide = 1;
219 int graphic_rotate = 0;
220 uint8_t irq0override = 1;
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 uint64_t 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_vga = 1;
274 static int default_floppy = 1;
275 static int default_cdrom = 1;
276 static int default_sdcard = 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 = "cirrus-vga", .flag = &default_vga },
294 { .driver = "vmware-svga", .flag = &default_vga },
295 { .driver = "isa-vga", .flag = &default_vga },
296 { .driver = "qxl-vga", .flag = &default_vga },
297 };
298
299 static void res_free(void)
300 {
301 if (boot_splash_filedata != NULL) {
302 g_free(boot_splash_filedata);
303 boot_splash_filedata = NULL;
304 }
305 }
306
307 static int default_driver_check(QemuOpts *opts, void *opaque)
308 {
309 const char *driver = qemu_opt_get(opts, "driver");
310 int i;
311
312 if (!driver)
313 return 0;
314 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
315 if (strcmp(default_list[i].driver, driver) != 0)
316 continue;
317 *(default_list[i].flag) = 0;
318 }
319 return 0;
320 }
321
322 /***********************************************************/
323 /* QEMU state */
324
325 static RunState current_run_state = RUN_STATE_PRELAUNCH;
326
327 typedef struct {
328 RunState from;
329 RunState to;
330 } RunStateTransition;
331
332 static const RunStateTransition runstate_transitions_def[] = {
333 /* from -> to */
334 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
335
336 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
337 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
338
339 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
340
341 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
342
343 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
344
345 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
346
347 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
348 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
349 { RUN_STATE_PRELAUNCH, RUN_STATE_POSTMIGRATE },
350
351 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
352 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
353
354 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
355
356 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
357 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
358 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
359 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
360 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
361 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
362 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
363 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
364 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
365
366 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
367
368 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
369
370 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
371
372 { RUN_STATE_MAX, RUN_STATE_MAX },
373 };
374
375 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
376
377 bool runstate_check(RunState state)
378 {
379 return current_run_state == state;
380 }
381
382 void runstate_init(void)
383 {
384 const RunStateTransition *p;
385
386 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
387
388 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
389 runstate_valid_transitions[p->from][p->to] = true;
390 }
391 }
392
393 /* This function will abort() on invalid state transitions */
394 void runstate_set(RunState new_state)
395 {
396 if (new_state >= RUN_STATE_MAX ||
397 !runstate_valid_transitions[current_run_state][new_state]) {
398 fprintf(stderr, "invalid runstate transition\n");
399 abort();
400 }
401
402 current_run_state = new_state;
403 }
404
405 int runstate_is_running(void)
406 {
407 return runstate_check(RUN_STATE_RUNNING);
408 }
409
410 StatusInfo *qmp_query_status(Error **errp)
411 {
412 StatusInfo *info = g_malloc0(sizeof(*info));
413
414 info->running = runstate_is_running();
415 info->singlestep = singlestep;
416 info->status = current_run_state;
417
418 return info;
419 }
420
421 /***********************************************************/
422 /* real time host monotonic timer */
423
424 /***********************************************************/
425 /* host time/date access */
426 void qemu_get_timedate(struct tm *tm, int offset)
427 {
428 time_t ti;
429 struct tm *ret;
430
431 time(&ti);
432 ti += offset;
433 if (rtc_date_offset == -1) {
434 if (rtc_utc)
435 ret = gmtime(&ti);
436 else
437 ret = localtime(&ti);
438 } else {
439 ti -= rtc_date_offset;
440 ret = gmtime(&ti);
441 }
442
443 memcpy(tm, ret, sizeof(struct tm));
444 }
445
446 int qemu_timedate_diff(struct tm *tm)
447 {
448 time_t seconds;
449
450 if (rtc_date_offset == -1)
451 if (rtc_utc)
452 seconds = mktimegm(tm);
453 else
454 seconds = mktime(tm);
455 else
456 seconds = mktimegm(tm) + rtc_date_offset;
457
458 return seconds - time(NULL);
459 }
460
461 void rtc_change_mon_event(struct tm *tm)
462 {
463 QObject *data;
464
465 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
466 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
467 qobject_decref(data);
468 }
469
470 static void configure_rtc_date_offset(const char *startdate, int legacy)
471 {
472 time_t rtc_start_date;
473 struct tm tm;
474
475 if (!strcmp(startdate, "now") && legacy) {
476 rtc_date_offset = -1;
477 } else {
478 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
479 &tm.tm_year,
480 &tm.tm_mon,
481 &tm.tm_mday,
482 &tm.tm_hour,
483 &tm.tm_min,
484 &tm.tm_sec) == 6) {
485 /* OK */
486 } else if (sscanf(startdate, "%d-%d-%d",
487 &tm.tm_year,
488 &tm.tm_mon,
489 &tm.tm_mday) == 3) {
490 tm.tm_hour = 0;
491 tm.tm_min = 0;
492 tm.tm_sec = 0;
493 } else {
494 goto date_fail;
495 }
496 tm.tm_year -= 1900;
497 tm.tm_mon--;
498 rtc_start_date = mktimegm(&tm);
499 if (rtc_start_date == -1) {
500 date_fail:
501 fprintf(stderr, "Invalid date format. Valid formats are:\n"
502 "'2006-06-17T16:01:21' or '2006-06-17'\n");
503 exit(1);
504 }
505 rtc_date_offset = time(NULL) - rtc_start_date;
506 }
507 }
508
509 static void configure_rtc(QemuOpts *opts)
510 {
511 const char *value;
512
513 value = qemu_opt_get(opts, "base");
514 if (value) {
515 if (!strcmp(value, "utc")) {
516 rtc_utc = 1;
517 } else if (!strcmp(value, "localtime")) {
518 rtc_utc = 0;
519 } else {
520 configure_rtc_date_offset(value, 0);
521 }
522 }
523 value = qemu_opt_get(opts, "clock");
524 if (value) {
525 if (!strcmp(value, "host")) {
526 rtc_clock = host_clock;
527 } else if (!strcmp(value, "vm")) {
528 rtc_clock = vm_clock;
529 } else {
530 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
531 exit(1);
532 }
533 }
534 value = qemu_opt_get(opts, "driftfix");
535 if (value) {
536 if (!strcmp(value, "slew")) {
537 rtc_td_hack = 1;
538 } else if (!strcmp(value, "none")) {
539 rtc_td_hack = 0;
540 } else {
541 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
542 exit(1);
543 }
544 }
545 }
546
547 /***********************************************************/
548 /* Bluetooth support */
549 static int nb_hcis;
550 static int cur_hci;
551 static struct HCIInfo *hci_table[MAX_NICS];
552
553 static struct bt_vlan_s {
554 struct bt_scatternet_s net;
555 int id;
556 struct bt_vlan_s *next;
557 } *first_bt_vlan;
558
559 /* find or alloc a new bluetooth "VLAN" */
560 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
561 {
562 struct bt_vlan_s **pvlan, *vlan;
563 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
564 if (vlan->id == id)
565 return &vlan->net;
566 }
567 vlan = g_malloc0(sizeof(struct bt_vlan_s));
568 vlan->id = id;
569 pvlan = &first_bt_vlan;
570 while (*pvlan != NULL)
571 pvlan = &(*pvlan)->next;
572 *pvlan = vlan;
573 return &vlan->net;
574 }
575
576 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
577 {
578 }
579
580 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
581 {
582 return -ENOTSUP;
583 }
584
585 static struct HCIInfo null_hci = {
586 .cmd_send = null_hci_send,
587 .sco_send = null_hci_send,
588 .acl_send = null_hci_send,
589 .bdaddr_set = null_hci_addr_set,
590 };
591
592 struct HCIInfo *qemu_next_hci(void)
593 {
594 if (cur_hci == nb_hcis)
595 return &null_hci;
596
597 return hci_table[cur_hci++];
598 }
599
600 static struct HCIInfo *hci_init(const char *str)
601 {
602 char *endp;
603 struct bt_scatternet_s *vlan = 0;
604
605 if (!strcmp(str, "null"))
606 /* null */
607 return &null_hci;
608 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
609 /* host[:hciN] */
610 return bt_host_hci(str[4] ? str + 5 : "hci0");
611 else if (!strncmp(str, "hci", 3)) {
612 /* hci[,vlan=n] */
613 if (str[3]) {
614 if (!strncmp(str + 3, ",vlan=", 6)) {
615 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
616 if (*endp)
617 vlan = 0;
618 }
619 } else
620 vlan = qemu_find_bt_vlan(0);
621 if (vlan)
622 return bt_new_hci(vlan);
623 }
624
625 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
626
627 return 0;
628 }
629
630 static int bt_hci_parse(const char *str)
631 {
632 struct HCIInfo *hci;
633 bdaddr_t bdaddr;
634
635 if (nb_hcis >= MAX_NICS) {
636 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
637 return -1;
638 }
639
640 hci = hci_init(str);
641 if (!hci)
642 return -1;
643
644 bdaddr.b[0] = 0x52;
645 bdaddr.b[1] = 0x54;
646 bdaddr.b[2] = 0x00;
647 bdaddr.b[3] = 0x12;
648 bdaddr.b[4] = 0x34;
649 bdaddr.b[5] = 0x56 + nb_hcis;
650 hci->bdaddr_set(hci, bdaddr.b);
651
652 hci_table[nb_hcis++] = hci;
653
654 return 0;
655 }
656
657 static void bt_vhci_add(int vlan_id)
658 {
659 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
660
661 if (!vlan->slave)
662 fprintf(stderr, "qemu: warning: adding a VHCI to "
663 "an empty scatternet %i\n", vlan_id);
664
665 bt_vhci_init(bt_new_hci(vlan));
666 }
667
668 static struct bt_device_s *bt_device_add(const char *opt)
669 {
670 struct bt_scatternet_s *vlan;
671 int vlan_id = 0;
672 char *endp = strstr(opt, ",vlan=");
673 int len = (endp ? endp - opt : strlen(opt)) + 1;
674 char devname[10];
675
676 pstrcpy(devname, MIN(sizeof(devname), len), opt);
677
678 if (endp) {
679 vlan_id = strtol(endp + 6, &endp, 0);
680 if (*endp) {
681 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
682 return 0;
683 }
684 }
685
686 vlan = qemu_find_bt_vlan(vlan_id);
687
688 if (!vlan->slave)
689 fprintf(stderr, "qemu: warning: adding a slave device to "
690 "an empty scatternet %i\n", vlan_id);
691
692 if (!strcmp(devname, "keyboard"))
693 return bt_keyboard_init(vlan);
694
695 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
696 return 0;
697 }
698
699 static int bt_parse(const char *opt)
700 {
701 const char *endp, *p;
702 int vlan;
703
704 if (strstart(opt, "hci", &endp)) {
705 if (!*endp || *endp == ',') {
706 if (*endp)
707 if (!strstart(endp, ",vlan=", 0))
708 opt = endp + 1;
709
710 return bt_hci_parse(opt);
711 }
712 } else if (strstart(opt, "vhci", &endp)) {
713 if (!*endp || *endp == ',') {
714 if (*endp) {
715 if (strstart(endp, ",vlan=", &p)) {
716 vlan = strtol(p, (char **) &endp, 0);
717 if (*endp) {
718 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
719 return 1;
720 }
721 } else {
722 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
723 return 1;
724 }
725 } else
726 vlan = 0;
727
728 bt_vhci_add(vlan);
729 return 0;
730 }
731 } else if (strstart(opt, "device:", &endp))
732 return !bt_device_add(endp);
733
734 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
735 return 1;
736 }
737
738 /***********************************************************/
739 /* QEMU Block devices */
740
741 #define HD_OPTS "media=disk"
742 #define CDROM_OPTS "media=cdrom"
743 #define FD_OPTS ""
744 #define PFLASH_OPTS ""
745 #define MTD_OPTS ""
746 #define SD_OPTS ""
747
748 static int drive_init_func(QemuOpts *opts, void *opaque)
749 {
750 int *use_scsi = opaque;
751
752 return drive_init(opts, *use_scsi) == NULL;
753 }
754
755 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
756 {
757 if (NULL == qemu_opt_get(opts, "snapshot")) {
758 qemu_opt_set(opts, "snapshot", "on");
759 }
760 return 0;
761 }
762
763 static void default_drive(int enable, int snapshot, int use_scsi,
764 BlockInterfaceType type, int index,
765 const char *optstr)
766 {
767 QemuOpts *opts;
768
769 if (type == IF_DEFAULT) {
770 type = use_scsi ? IF_SCSI : IF_IDE;
771 }
772
773 if (!enable || drive_get_by_index(type, index)) {
774 return;
775 }
776
777 opts = drive_add(type, index, NULL, optstr);
778 if (snapshot) {
779 drive_enable_snapshot(opts, NULL);
780 }
781 if (!drive_init(opts, use_scsi)) {
782 exit(1);
783 }
784 }
785
786 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
787 {
788 boot_set_handler = func;
789 boot_set_opaque = opaque;
790 }
791
792 int qemu_boot_set(const char *boot_devices)
793 {
794 if (!boot_set_handler) {
795 return -EINVAL;
796 }
797 return boot_set_handler(boot_set_opaque, boot_devices);
798 }
799
800 static void validate_bootdevices(char *devices)
801 {
802 /* We just do some generic consistency checks */
803 const char *p;
804 int bitmap = 0;
805
806 for (p = devices; *p != '\0'; p++) {
807 /* Allowed boot devices are:
808 * a-b: floppy disk drives
809 * c-f: IDE disk drives
810 * g-m: machine implementation dependant drives
811 * n-p: network devices
812 * It's up to each machine implementation to check if the given boot
813 * devices match the actual hardware implementation and firmware
814 * features.
815 */
816 if (*p < 'a' || *p > 'p') {
817 fprintf(stderr, "Invalid boot device '%c'\n", *p);
818 exit(1);
819 }
820 if (bitmap & (1 << (*p - 'a'))) {
821 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
822 exit(1);
823 }
824 bitmap |= 1 << (*p - 'a');
825 }
826 }
827
828 static void restore_boot_devices(void *opaque)
829 {
830 char *standard_boot_devices = opaque;
831 static int first = 1;
832
833 /* Restore boot order and remove ourselves after the first boot */
834 if (first) {
835 first = 0;
836 return;
837 }
838
839 qemu_boot_set(standard_boot_devices);
840
841 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
842 g_free(standard_boot_devices);
843 }
844
845 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
846 const char *suffix)
847 {
848 FWBootEntry *node, *i;
849
850 if (bootindex < 0) {
851 return;
852 }
853
854 assert(dev != NULL || suffix != NULL);
855
856 node = g_malloc0(sizeof(FWBootEntry));
857 node->bootindex = bootindex;
858 node->suffix = suffix ? g_strdup(suffix) : NULL;
859 node->dev = dev;
860
861 QTAILQ_FOREACH(i, &fw_boot_order, link) {
862 if (i->bootindex == bootindex) {
863 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
864 exit(1);
865 } else if (i->bootindex < bootindex) {
866 continue;
867 }
868 QTAILQ_INSERT_BEFORE(i, node, link);
869 return;
870 }
871 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
872 }
873
874 /*
875 * This function returns null terminated string that consist of new line
876 * separated device paths.
877 *
878 * memory pointed by "size" is assigned total length of the array in bytes
879 *
880 */
881 char *get_boot_devices_list(uint32_t *size)
882 {
883 FWBootEntry *i;
884 uint32_t total = 0;
885 char *list = NULL;
886
887 QTAILQ_FOREACH(i, &fw_boot_order, link) {
888 char *devpath = NULL, *bootpath;
889 int len;
890
891 if (i->dev) {
892 devpath = qdev_get_fw_dev_path(i->dev);
893 assert(devpath);
894 }
895
896 if (i->suffix && devpath) {
897 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
898
899 bootpath = g_malloc(bootpathlen);
900 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
901 g_free(devpath);
902 } else if (devpath) {
903 bootpath = devpath;
904 } else {
905 bootpath = g_strdup(i->suffix);
906 assert(bootpath);
907 }
908
909 if (total) {
910 list[total-1] = '\n';
911 }
912 len = strlen(bootpath) + 1;
913 list = g_realloc(list, total + len);
914 memcpy(&list[total], bootpath, len);
915 total += len;
916 g_free(bootpath);
917 }
918
919 *size = total;
920
921 return list;
922 }
923
924 static void numa_add(const char *optarg)
925 {
926 char option[128];
927 char *endptr;
928 unsigned long long value, endvalue;
929 int nodenr;
930
931 optarg = get_opt_name(option, 128, optarg, ',') + 1;
932 if (!strcmp(option, "node")) {
933 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
934 nodenr = nb_numa_nodes;
935 } else {
936 nodenr = strtoull(option, NULL, 10);
937 }
938
939 if (get_param_value(option, 128, "mem", optarg) == 0) {
940 node_mem[nodenr] = 0;
941 } else {
942 int64_t sval;
943 sval = strtosz(option, NULL);
944 if (sval < 0) {
945 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
946 exit(1);
947 }
948 node_mem[nodenr] = sval;
949 }
950 if (get_param_value(option, 128, "cpus", optarg) == 0) {
951 node_cpumask[nodenr] = 0;
952 } else {
953 value = strtoull(option, &endptr, 10);
954 if (value >= 64) {
955 value = 63;
956 fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
957 } else {
958 if (*endptr == '-') {
959 endvalue = strtoull(endptr+1, &endptr, 10);
960 if (endvalue >= 63) {
961 endvalue = 62;
962 fprintf(stderr,
963 "only 63 CPUs in NUMA mode supported.\n");
964 }
965 value = (2ULL << endvalue) - (1ULL << value);
966 } else {
967 value = 1ULL << value;
968 }
969 }
970 node_cpumask[nodenr] = value;
971 }
972 nb_numa_nodes++;
973 }
974 return;
975 }
976
977 static void smp_parse(const char *optarg)
978 {
979 int smp, sockets = 0, threads = 0, cores = 0;
980 char *endptr;
981 char option[128];
982
983 smp = strtoul(optarg, &endptr, 10);
984 if (endptr != optarg) {
985 if (*endptr == ',') {
986 endptr++;
987 }
988 }
989 if (get_param_value(option, 128, "sockets", endptr) != 0)
990 sockets = strtoull(option, NULL, 10);
991 if (get_param_value(option, 128, "cores", endptr) != 0)
992 cores = strtoull(option, NULL, 10);
993 if (get_param_value(option, 128, "threads", endptr) != 0)
994 threads = strtoull(option, NULL, 10);
995 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
996 max_cpus = strtoull(option, NULL, 10);
997
998 /* compute missing values, prefer sockets over cores over threads */
999 if (smp == 0 || sockets == 0) {
1000 sockets = sockets > 0 ? sockets : 1;
1001 cores = cores > 0 ? cores : 1;
1002 threads = threads > 0 ? threads : 1;
1003 if (smp == 0) {
1004 smp = cores * threads * sockets;
1005 }
1006 } else {
1007 if (cores == 0) {
1008 threads = threads > 0 ? threads : 1;
1009 cores = smp / (sockets * threads);
1010 } else {
1011 threads = smp / (cores * sockets);
1012 }
1013 }
1014 smp_cpus = smp;
1015 smp_cores = cores > 0 ? cores : 1;
1016 smp_threads = threads > 0 ? threads : 1;
1017 if (max_cpus == 0)
1018 max_cpus = smp_cpus;
1019 }
1020
1021 /***********************************************************/
1022 /* USB devices */
1023
1024 static int usb_device_add(const char *devname)
1025 {
1026 const char *p;
1027 USBDevice *dev = NULL;
1028
1029 if (!usb_enabled)
1030 return -1;
1031
1032 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1033 dev = usbdevice_create(devname);
1034 if (dev)
1035 goto done;
1036
1037 /* the other ones */
1038 #ifndef CONFIG_LINUX
1039 /* only the linux version is qdev-ified, usb-bsd still needs this */
1040 if (strstart(devname, "host:", &p)) {
1041 dev = usb_host_device_open(p);
1042 } else
1043 #endif
1044 if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1045 dev = usb_bt_init(devname[2] ? hci_init(p) :
1046 bt_new_hci(qemu_find_bt_vlan(0)));
1047 } else {
1048 return -1;
1049 }
1050 if (!dev)
1051 return -1;
1052
1053 done:
1054 return 0;
1055 }
1056
1057 static int usb_device_del(const char *devname)
1058 {
1059 int bus_num, addr;
1060 const char *p;
1061
1062 if (strstart(devname, "host:", &p))
1063 return usb_host_device_close(p);
1064
1065 if (!usb_enabled)
1066 return -1;
1067
1068 p = strchr(devname, '.');
1069 if (!p)
1070 return -1;
1071 bus_num = strtoul(devname, NULL, 0);
1072 addr = strtoul(p + 1, NULL, 0);
1073
1074 return usb_device_delete_addr(bus_num, addr);
1075 }
1076
1077 static int usb_parse(const char *cmdline)
1078 {
1079 int r;
1080 r = usb_device_add(cmdline);
1081 if (r < 0) {
1082 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1083 }
1084 return r;
1085 }
1086
1087 void do_usb_add(Monitor *mon, const QDict *qdict)
1088 {
1089 const char *devname = qdict_get_str(qdict, "devname");
1090 if (usb_device_add(devname) < 0) {
1091 error_report("could not add USB device '%s'", devname);
1092 }
1093 }
1094
1095 void do_usb_del(Monitor *mon, const QDict *qdict)
1096 {
1097 const char *devname = qdict_get_str(qdict, "devname");
1098 if (usb_device_del(devname) < 0) {
1099 error_report("could not delete USB device '%s'", devname);
1100 }
1101 }
1102
1103 /***********************************************************/
1104 /* PCMCIA/Cardbus */
1105
1106 static struct pcmcia_socket_entry_s {
1107 PCMCIASocket *socket;
1108 struct pcmcia_socket_entry_s *next;
1109 } *pcmcia_sockets = 0;
1110
1111 void pcmcia_socket_register(PCMCIASocket *socket)
1112 {
1113 struct pcmcia_socket_entry_s *entry;
1114
1115 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1116 entry->socket = socket;
1117 entry->next = pcmcia_sockets;
1118 pcmcia_sockets = entry;
1119 }
1120
1121 void pcmcia_socket_unregister(PCMCIASocket *socket)
1122 {
1123 struct pcmcia_socket_entry_s *entry, **ptr;
1124
1125 ptr = &pcmcia_sockets;
1126 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1127 if (entry->socket == socket) {
1128 *ptr = entry->next;
1129 g_free(entry);
1130 }
1131 }
1132
1133 void pcmcia_info(Monitor *mon)
1134 {
1135 struct pcmcia_socket_entry_s *iter;
1136
1137 if (!pcmcia_sockets)
1138 monitor_printf(mon, "No PCMCIA sockets\n");
1139
1140 for (iter = pcmcia_sockets; iter; iter = iter->next)
1141 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1142 iter->socket->attached ? iter->socket->card_string :
1143 "Empty");
1144 }
1145
1146 /***********************************************************/
1147 /* machine registration */
1148
1149 static QEMUMachine *first_machine = NULL;
1150 QEMUMachine *current_machine = NULL;
1151
1152 int qemu_register_machine(QEMUMachine *m)
1153 {
1154 QEMUMachine **pm;
1155 pm = &first_machine;
1156 while (*pm != NULL)
1157 pm = &(*pm)->next;
1158 m->next = NULL;
1159 *pm = m;
1160 return 0;
1161 }
1162
1163 static QEMUMachine *find_machine(const char *name)
1164 {
1165 QEMUMachine *m;
1166
1167 for(m = first_machine; m != NULL; m = m->next) {
1168 if (!strcmp(m->name, name))
1169 return m;
1170 if (m->alias && !strcmp(m->alias, name))
1171 return m;
1172 }
1173 return NULL;
1174 }
1175
1176 static QEMUMachine *find_default_machine(void)
1177 {
1178 QEMUMachine *m;
1179
1180 for(m = first_machine; m != NULL; m = m->next) {
1181 if (m->is_default) {
1182 return m;
1183 }
1184 }
1185 return NULL;
1186 }
1187
1188 /***********************************************************/
1189 /* main execution loop */
1190
1191 static void gui_update(void *opaque)
1192 {
1193 uint64_t interval = GUI_REFRESH_INTERVAL;
1194 DisplayState *ds = opaque;
1195 DisplayChangeListener *dcl = ds->listeners;
1196
1197 dpy_refresh(ds);
1198
1199 while (dcl != NULL) {
1200 if (dcl->gui_timer_interval &&
1201 dcl->gui_timer_interval < interval)
1202 interval = dcl->gui_timer_interval;
1203 dcl = dcl->next;
1204 }
1205 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1206 }
1207
1208 struct vm_change_state_entry {
1209 VMChangeStateHandler *cb;
1210 void *opaque;
1211 QLIST_ENTRY (vm_change_state_entry) entries;
1212 };
1213
1214 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1215
1216 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1217 void *opaque)
1218 {
1219 VMChangeStateEntry *e;
1220
1221 e = g_malloc0(sizeof (*e));
1222
1223 e->cb = cb;
1224 e->opaque = opaque;
1225 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1226 return e;
1227 }
1228
1229 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1230 {
1231 QLIST_REMOVE (e, entries);
1232 g_free (e);
1233 }
1234
1235 void vm_state_notify(int running, RunState state)
1236 {
1237 VMChangeStateEntry *e;
1238
1239 trace_vm_state_notify(running, state);
1240
1241 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1242 e->cb(e->opaque, running, state);
1243 }
1244 }
1245
1246 void vm_start(void)
1247 {
1248 if (!runstate_is_running()) {
1249 cpu_enable_ticks();
1250 runstate_set(RUN_STATE_RUNNING);
1251 vm_state_notify(1, RUN_STATE_RUNNING);
1252 resume_all_vcpus();
1253 monitor_protocol_event(QEVENT_RESUME, NULL);
1254 }
1255 }
1256
1257 /* reset/shutdown handler */
1258
1259 typedef struct QEMUResetEntry {
1260 QTAILQ_ENTRY(QEMUResetEntry) entry;
1261 QEMUResetHandler *func;
1262 void *opaque;
1263 } QEMUResetEntry;
1264
1265 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1266 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1267 static int reset_requested;
1268 static int shutdown_requested, shutdown_signal = -1;
1269 static pid_t shutdown_pid;
1270 static int powerdown_requested;
1271 static int debug_requested;
1272 static RunState vmstop_requested = RUN_STATE_MAX;
1273
1274 int qemu_shutdown_requested_get(void)
1275 {
1276 return shutdown_requested;
1277 }
1278
1279 int qemu_reset_requested_get(void)
1280 {
1281 return reset_requested;
1282 }
1283
1284 int qemu_shutdown_requested(void)
1285 {
1286 int r = shutdown_requested;
1287 shutdown_requested = 0;
1288 return r;
1289 }
1290
1291 void qemu_kill_report(void)
1292 {
1293 if (shutdown_signal != -1) {
1294 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1295 if (shutdown_pid == 0) {
1296 /* This happens for eg ^C at the terminal, so it's worth
1297 * avoiding printing an odd message in that case.
1298 */
1299 fputc('\n', stderr);
1300 } else {
1301 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1302 }
1303 shutdown_signal = -1;
1304 }
1305 }
1306
1307 int qemu_reset_requested(void)
1308 {
1309 int r = reset_requested;
1310 reset_requested = 0;
1311 return r;
1312 }
1313
1314 int qemu_powerdown_requested(void)
1315 {
1316 int r = powerdown_requested;
1317 powerdown_requested = 0;
1318 return r;
1319 }
1320
1321 static int qemu_debug_requested(void)
1322 {
1323 int r = debug_requested;
1324 debug_requested = 0;
1325 return r;
1326 }
1327
1328 /* We use RUN_STATE_MAX but any invalid value will do */
1329 static bool qemu_vmstop_requested(RunState *r)
1330 {
1331 if (vmstop_requested < RUN_STATE_MAX) {
1332 *r = vmstop_requested;
1333 vmstop_requested = RUN_STATE_MAX;
1334 return true;
1335 }
1336
1337 return false;
1338 }
1339
1340 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1341 {
1342 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1343
1344 re->func = func;
1345 re->opaque = opaque;
1346 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1347 }
1348
1349 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1350 {
1351 QEMUResetEntry *re;
1352
1353 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1354 if (re->func == func && re->opaque == opaque) {
1355 QTAILQ_REMOVE(&reset_handlers, re, entry);
1356 g_free(re);
1357 return;
1358 }
1359 }
1360 }
1361
1362 void qemu_system_reset(bool report)
1363 {
1364 QEMUResetEntry *re, *nre;
1365
1366 /* reset all devices */
1367 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1368 re->func(re->opaque);
1369 }
1370 if (report) {
1371 monitor_protocol_event(QEVENT_RESET, NULL);
1372 }
1373 cpu_synchronize_all_post_reset();
1374 }
1375
1376 void qemu_system_reset_request(void)
1377 {
1378 if (no_reboot) {
1379 shutdown_requested = 1;
1380 } else {
1381 reset_requested = 1;
1382 }
1383 cpu_stop_current();
1384 qemu_notify_event();
1385 }
1386
1387 void qemu_system_killed(int signal, pid_t pid)
1388 {
1389 shutdown_signal = signal;
1390 shutdown_pid = pid;
1391 no_shutdown = 0;
1392 qemu_system_shutdown_request();
1393 }
1394
1395 void qemu_system_shutdown_request(void)
1396 {
1397 shutdown_requested = 1;
1398 qemu_notify_event();
1399 }
1400
1401 void qemu_system_powerdown_request(void)
1402 {
1403 powerdown_requested = 1;
1404 qemu_notify_event();
1405 }
1406
1407 void qemu_system_debug_request(void)
1408 {
1409 debug_requested = 1;
1410 qemu_notify_event();
1411 }
1412
1413 void qemu_system_vmstop_request(RunState state)
1414 {
1415 vmstop_requested = state;
1416 qemu_notify_event();
1417 }
1418
1419 static GPollFD poll_fds[1024 * 2]; /* this is probably overkill */
1420 static int n_poll_fds;
1421 static int max_priority;
1422
1423 static void glib_select_fill(int *max_fd, fd_set *rfds, fd_set *wfds,
1424 fd_set *xfds, struct timeval *tv)
1425 {
1426 GMainContext *context = g_main_context_default();
1427 int i;
1428 int timeout = 0, cur_timeout;
1429
1430 g_main_context_prepare(context, &max_priority);
1431
1432 n_poll_fds = g_main_context_query(context, max_priority, &timeout,
1433 poll_fds, ARRAY_SIZE(poll_fds));
1434 g_assert(n_poll_fds <= ARRAY_SIZE(poll_fds));
1435
1436 for (i = 0; i < n_poll_fds; i++) {
1437 GPollFD *p = &poll_fds[i];
1438
1439 if ((p->events & G_IO_IN)) {
1440 FD_SET(p->fd, rfds);
1441 *max_fd = MAX(*max_fd, p->fd);
1442 }
1443 if ((p->events & G_IO_OUT)) {
1444 FD_SET(p->fd, wfds);
1445 *max_fd = MAX(*max_fd, p->fd);
1446 }
1447 if ((p->events & G_IO_ERR)) {
1448 FD_SET(p->fd, xfds);
1449 *max_fd = MAX(*max_fd, p->fd);
1450 }
1451 }
1452
1453 cur_timeout = (tv->tv_sec * 1000) + ((tv->tv_usec + 500) / 1000);
1454 if (timeout >= 0 && timeout < cur_timeout) {
1455 tv->tv_sec = timeout / 1000;
1456 tv->tv_usec = (timeout % 1000) * 1000;
1457 }
1458 }
1459
1460 static void glib_select_poll(fd_set *rfds, fd_set *wfds, fd_set *xfds,
1461 bool err)
1462 {
1463 GMainContext *context = g_main_context_default();
1464
1465 if (!err) {
1466 int i;
1467
1468 for (i = 0; i < n_poll_fds; i++) {
1469 GPollFD *p = &poll_fds[i];
1470
1471 if ((p->events & G_IO_IN) && FD_ISSET(p->fd, rfds)) {
1472 p->revents |= G_IO_IN;
1473 }
1474 if ((p->events & G_IO_OUT) && FD_ISSET(p->fd, wfds)) {
1475 p->revents |= G_IO_OUT;
1476 }
1477 if ((p->events & G_IO_ERR) && FD_ISSET(p->fd, xfds)) {
1478 p->revents |= G_IO_ERR;
1479 }
1480 }
1481 }
1482
1483 if (g_main_context_check(context, max_priority, poll_fds, n_poll_fds)) {
1484 g_main_context_dispatch(context);
1485 }
1486 }
1487
1488 int main_loop_wait(int nonblocking)
1489 {
1490 fd_set rfds, wfds, xfds;
1491 int ret, nfds;
1492 struct timeval tv;
1493 int timeout;
1494
1495 if (nonblocking)
1496 timeout = 0;
1497 else {
1498 timeout = qemu_calculate_timeout();
1499 qemu_bh_update_timeout(&timeout);
1500 }
1501
1502 os_host_main_loop_wait(&timeout);
1503
1504 tv.tv_sec = timeout / 1000;
1505 tv.tv_usec = (timeout % 1000) * 1000;
1506
1507 /* poll any events */
1508 /* XXX: separate device handlers from system ones */
1509 nfds = -1;
1510 FD_ZERO(&rfds);
1511 FD_ZERO(&wfds);
1512 FD_ZERO(&xfds);
1513
1514 qemu_iohandler_fill(&nfds, &rfds, &wfds, &xfds);
1515 slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
1516 glib_select_fill(&nfds, &rfds, &wfds, &xfds, &tv);
1517
1518 if (timeout > 0) {
1519 qemu_mutex_unlock_iothread();
1520 }
1521
1522 ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
1523
1524 if (timeout > 0) {
1525 qemu_mutex_lock_iothread();
1526 }
1527
1528 qemu_iohandler_poll(&rfds, &wfds, &xfds, ret);
1529 slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0));
1530 glib_select_poll(&rfds, &wfds, &xfds, (ret < 0));
1531
1532 qemu_run_all_timers();
1533
1534 /* Check bottom-halves last in case any of the earlier events triggered
1535 them. */
1536 qemu_bh_poll();
1537
1538 return ret;
1539 }
1540
1541 qemu_irq qemu_system_powerdown;
1542
1543 static void main_loop(void)
1544 {
1545 bool nonblocking;
1546 int last_io __attribute__ ((unused)) = 0;
1547 #ifdef CONFIG_PROFILER
1548 int64_t ti;
1549 #endif
1550 RunState r;
1551
1552 qemu_main_loop_start();
1553
1554 for (;;) {
1555 nonblocking = !kvm_enabled() && last_io > 0;
1556 #ifdef CONFIG_PROFILER
1557 ti = profile_getclock();
1558 #endif
1559 last_io = main_loop_wait(nonblocking);
1560 #ifdef CONFIG_PROFILER
1561 dev_time += profile_getclock() - ti;
1562 #endif
1563
1564 if (qemu_debug_requested()) {
1565 vm_stop(RUN_STATE_DEBUG);
1566 }
1567 if (qemu_shutdown_requested()) {
1568 qemu_kill_report();
1569 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1570 if (no_shutdown) {
1571 vm_stop(RUN_STATE_SHUTDOWN);
1572 } else
1573 break;
1574 }
1575 if (qemu_reset_requested()) {
1576 pause_all_vcpus();
1577 cpu_synchronize_all_states();
1578 qemu_system_reset(VMRESET_REPORT);
1579 resume_all_vcpus();
1580 if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
1581 runstate_check(RUN_STATE_SHUTDOWN)) {
1582 runstate_set(RUN_STATE_PAUSED);
1583 }
1584 }
1585 if (qemu_powerdown_requested()) {
1586 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1587 qemu_irq_raise(qemu_system_powerdown);
1588 }
1589 if (qemu_vmstop_requested(&r)) {
1590 vm_stop(r);
1591 }
1592 }
1593 bdrv_close_all();
1594 pause_all_vcpus();
1595 }
1596
1597 static void version(void)
1598 {
1599 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1600 }
1601
1602 static void help(int exitcode)
1603 {
1604 const char *options_help =
1605 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1606 opt_help
1607 #define DEFHEADING(text) stringify(text) "\n"
1608 #include "qemu-options.def"
1609 #undef DEF
1610 #undef DEFHEADING
1611 #undef GEN_DOCS
1612 ;
1613 version();
1614 printf("usage: %s [options] [disk_image]\n"
1615 "\n"
1616 "'disk_image' is a raw hard disk image for IDE hard disk 0\n"
1617 "\n"
1618 "%s\n"
1619 "During emulation, the following keys are useful:\n"
1620 "ctrl-alt-f toggle full screen\n"
1621 "ctrl-alt-n switch to virtual console 'n'\n"
1622 "ctrl-alt toggle mouse and keyboard grab\n"
1623 "\n"
1624 "When using -nographic, press 'ctrl-a h' to get some help.\n",
1625 "qemu",
1626 options_help);
1627 exit(exitcode);
1628 }
1629
1630 #define HAS_ARG 0x0001
1631
1632 typedef struct QEMUOption {
1633 const char *name;
1634 int flags;
1635 int index;
1636 uint32_t arch_mask;
1637 } QEMUOption;
1638
1639 static const QEMUOption qemu_options[] = {
1640 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1641 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1642 { option, opt_arg, opt_enum, arch_mask },
1643 #define DEFHEADING(text)
1644 #include "qemu-options.def"
1645 #undef DEF
1646 #undef DEFHEADING
1647 #undef GEN_DOCS
1648 { NULL },
1649 };
1650 static void select_vgahw (const char *p)
1651 {
1652 const char *opts;
1653
1654 default_vga = 0;
1655 vga_interface_type = VGA_NONE;
1656 if (strstart(p, "std", &opts)) {
1657 vga_interface_type = VGA_STD;
1658 } else if (strstart(p, "cirrus", &opts)) {
1659 vga_interface_type = VGA_CIRRUS;
1660 } else if (strstart(p, "vmware", &opts)) {
1661 vga_interface_type = VGA_VMWARE;
1662 } else if (strstart(p, "xenfb", &opts)) {
1663 vga_interface_type = VGA_XENFB;
1664 } else if (strstart(p, "qxl", &opts)) {
1665 vga_interface_type = VGA_QXL;
1666 } else if (!strstart(p, "none", &opts)) {
1667 invalid_vga:
1668 fprintf(stderr, "Unknown vga type: %s\n", p);
1669 exit(1);
1670 }
1671 while (*opts) {
1672 const char *nextopt;
1673
1674 if (strstart(opts, ",retrace=", &nextopt)) {
1675 opts = nextopt;
1676 if (strstart(opts, "dumb", &nextopt))
1677 vga_retrace_method = VGA_RETRACE_DUMB;
1678 else if (strstart(opts, "precise", &nextopt))
1679 vga_retrace_method = VGA_RETRACE_PRECISE;
1680 else goto invalid_vga;
1681 } else goto invalid_vga;
1682 opts = nextopt;
1683 }
1684 }
1685
1686 static DisplayType select_display(const char *p)
1687 {
1688 const char *opts;
1689 DisplayType display = DT_DEFAULT;
1690
1691 if (strstart(p, "sdl", &opts)) {
1692 #ifdef CONFIG_SDL
1693 display = DT_SDL;
1694 while (*opts) {
1695 const char *nextopt;
1696
1697 if (strstart(opts, ",frame=", &nextopt)) {
1698 opts = nextopt;
1699 if (strstart(opts, "on", &nextopt)) {
1700 no_frame = 0;
1701 } else if (strstart(opts, "off", &nextopt)) {
1702 no_frame = 1;
1703 } else {
1704 goto invalid_sdl_args;
1705 }
1706 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1707 opts = nextopt;
1708 if (strstart(opts, "on", &nextopt)) {
1709 alt_grab = 1;
1710 } else if (strstart(opts, "off", &nextopt)) {
1711 alt_grab = 0;
1712 } else {
1713 goto invalid_sdl_args;
1714 }
1715 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1716 opts = nextopt;
1717 if (strstart(opts, "on", &nextopt)) {
1718 ctrl_grab = 1;
1719 } else if (strstart(opts, "off", &nextopt)) {
1720 ctrl_grab = 0;
1721 } else {
1722 goto invalid_sdl_args;
1723 }
1724 } else if (strstart(opts, ",window_close=", &nextopt)) {
1725 opts = nextopt;
1726 if (strstart(opts, "on", &nextopt)) {
1727 no_quit = 0;
1728 } else if (strstart(opts, "off", &nextopt)) {
1729 no_quit = 1;
1730 } else {
1731 goto invalid_sdl_args;
1732 }
1733 } else {
1734 invalid_sdl_args:
1735 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1736 exit(1);
1737 }
1738 opts = nextopt;
1739 }
1740 #else
1741 fprintf(stderr, "SDL support is disabled\n");
1742 exit(1);
1743 #endif
1744 } else if (strstart(p, "vnc", &opts)) {
1745 #ifdef CONFIG_VNC
1746 display_remote++;
1747
1748 if (*opts) {
1749 const char *nextopt;
1750
1751 if (strstart(opts, "=", &nextopt)) {
1752 vnc_display = nextopt;
1753 }
1754 }
1755 if (!vnc_display) {
1756 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1757 exit(1);
1758 }
1759 #else
1760 fprintf(stderr, "VNC support is disabled\n");
1761 exit(1);
1762 #endif
1763 } else if (strstart(p, "curses", &opts)) {
1764 #ifdef CONFIG_CURSES
1765 display = DT_CURSES;
1766 #else
1767 fprintf(stderr, "Curses support is disabled\n");
1768 exit(1);
1769 #endif
1770 } else if (strstart(p, "none", &opts)) {
1771 display = DT_NONE;
1772 } else {
1773 fprintf(stderr, "Unknown display type: %s\n", p);
1774 exit(1);
1775 }
1776
1777 return display;
1778 }
1779
1780 static int balloon_parse(const char *arg)
1781 {
1782 QemuOpts *opts;
1783
1784 if (strcmp(arg, "none") == 0) {
1785 return 0;
1786 }
1787
1788 if (!strncmp(arg, "virtio", 6)) {
1789 if (arg[6] == ',') {
1790 /* have params -> parse them */
1791 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1792 if (!opts)
1793 return -1;
1794 } else {
1795 /* create empty opts */
1796 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
1797 }
1798 qemu_opt_set(opts, "driver", "virtio-balloon");
1799 return 0;
1800 }
1801
1802 return -1;
1803 }
1804
1805 char *qemu_find_file(int type, const char *name)
1806 {
1807 int len;
1808 const char *subdir;
1809 char *buf;
1810
1811 /* If name contains path separators then try it as a straight path. */
1812 if ((strchr(name, '/') || strchr(name, '\\'))
1813 && access(name, R_OK) == 0) {
1814 return g_strdup(name);
1815 }
1816 switch (type) {
1817 case QEMU_FILE_TYPE_BIOS:
1818 subdir = "";
1819 break;
1820 case QEMU_FILE_TYPE_KEYMAP:
1821 subdir = "keymaps/";
1822 break;
1823 default:
1824 abort();
1825 }
1826 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1827 buf = g_malloc0(len);
1828 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1829 if (access(buf, R_OK)) {
1830 g_free(buf);
1831 return NULL;
1832 }
1833 return buf;
1834 }
1835
1836 static int device_help_func(QemuOpts *opts, void *opaque)
1837 {
1838 return qdev_device_help(opts);
1839 }
1840
1841 static int device_init_func(QemuOpts *opts, void *opaque)
1842 {
1843 DeviceState *dev;
1844
1845 dev = qdev_device_add(opts);
1846 if (!dev)
1847 return -1;
1848 return 0;
1849 }
1850
1851 static int chardev_init_func(QemuOpts *opts, void *opaque)
1852 {
1853 CharDriverState *chr;
1854
1855 chr = qemu_chr_new_from_opts(opts, NULL);
1856 if (!chr)
1857 return -1;
1858 return 0;
1859 }
1860
1861 #ifdef CONFIG_VIRTFS
1862 static int fsdev_init_func(QemuOpts *opts, void *opaque)
1863 {
1864 int ret;
1865 ret = qemu_fsdev_add(opts);
1866
1867 return ret;
1868 }
1869 #endif
1870
1871 static int mon_init_func(QemuOpts *opts, void *opaque)
1872 {
1873 CharDriverState *chr;
1874 const char *chardev;
1875 const char *mode;
1876 int flags;
1877
1878 mode = qemu_opt_get(opts, "mode");
1879 if (mode == NULL) {
1880 mode = "readline";
1881 }
1882 if (strcmp(mode, "readline") == 0) {
1883 flags = MONITOR_USE_READLINE;
1884 } else if (strcmp(mode, "control") == 0) {
1885 flags = MONITOR_USE_CONTROL;
1886 } else {
1887 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1888 exit(1);
1889 }
1890
1891 if (qemu_opt_get_bool(opts, "pretty", 0))
1892 flags |= MONITOR_USE_PRETTY;
1893
1894 if (qemu_opt_get_bool(opts, "default", 0))
1895 flags |= MONITOR_IS_DEFAULT;
1896
1897 chardev = qemu_opt_get(opts, "chardev");
1898 chr = qemu_chr_find(chardev);
1899 if (chr == NULL) {
1900 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1901 exit(1);
1902 }
1903
1904 monitor_init(chr, flags);
1905 return 0;
1906 }
1907
1908 static void monitor_parse(const char *optarg, const char *mode)
1909 {
1910 static int monitor_device_index = 0;
1911 QemuOpts *opts;
1912 const char *p;
1913 char label[32];
1914 int def = 0;
1915
1916 if (strstart(optarg, "chardev:", &p)) {
1917 snprintf(label, sizeof(label), "%s", p);
1918 } else {
1919 snprintf(label, sizeof(label), "compat_monitor%d",
1920 monitor_device_index);
1921 if (monitor_device_index == 0) {
1922 def = 1;
1923 }
1924 opts = qemu_chr_parse_compat(label, optarg);
1925 if (!opts) {
1926 fprintf(stderr, "parse error: %s\n", optarg);
1927 exit(1);
1928 }
1929 }
1930
1931 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1);
1932 if (!opts) {
1933 fprintf(stderr, "duplicate chardev: %s\n", label);
1934 exit(1);
1935 }
1936 qemu_opt_set(opts, "mode", mode);
1937 qemu_opt_set(opts, "chardev", label);
1938 if (def)
1939 qemu_opt_set(opts, "default", "on");
1940 monitor_device_index++;
1941 }
1942
1943 struct device_config {
1944 enum {
1945 DEV_USB, /* -usbdevice */
1946 DEV_BT, /* -bt */
1947 DEV_SERIAL, /* -serial */
1948 DEV_PARALLEL, /* -parallel */
1949 DEV_VIRTCON, /* -virtioconsole */
1950 DEV_DEBUGCON, /* -debugcon */
1951 } type;
1952 const char *cmdline;
1953 QTAILQ_ENTRY(device_config) next;
1954 };
1955 QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
1956
1957 static void add_device_config(int type, const char *cmdline)
1958 {
1959 struct device_config *conf;
1960
1961 conf = g_malloc0(sizeof(*conf));
1962 conf->type = type;
1963 conf->cmdline = cmdline;
1964 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
1965 }
1966
1967 static int foreach_device_config(int type, int (*func)(const char *cmdline))
1968 {
1969 struct device_config *conf;
1970 int rc;
1971
1972 QTAILQ_FOREACH(conf, &device_configs, next) {
1973 if (conf->type != type)
1974 continue;
1975 rc = func(conf->cmdline);
1976 if (0 != rc)
1977 return rc;
1978 }
1979 return 0;
1980 }
1981
1982 static int serial_parse(const char *devname)
1983 {
1984 static int index = 0;
1985 char label[32];
1986
1987 if (strcmp(devname, "none") == 0)
1988 return 0;
1989 if (index == MAX_SERIAL_PORTS) {
1990 fprintf(stderr, "qemu: too many serial ports\n");
1991 exit(1);
1992 }
1993 snprintf(label, sizeof(label), "serial%d", index);
1994 serial_hds[index] = qemu_chr_new(label, devname, NULL);
1995 if (!serial_hds[index]) {
1996 fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
1997 devname, strerror(errno));
1998 return -1;
1999 }
2000 index++;
2001 return 0;
2002 }
2003
2004 static int parallel_parse(const char *devname)
2005 {
2006 static int index = 0;
2007 char label[32];
2008
2009 if (strcmp(devname, "none") == 0)
2010 return 0;
2011 if (index == MAX_PARALLEL_PORTS) {
2012 fprintf(stderr, "qemu: too many parallel ports\n");
2013 exit(1);
2014 }
2015 snprintf(label, sizeof(label), "parallel%d", index);
2016 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2017 if (!parallel_hds[index]) {
2018 fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
2019 devname, strerror(errno));
2020 return -1;
2021 }
2022 index++;
2023 return 0;
2024 }
2025
2026 static int virtcon_parse(const char *devname)
2027 {
2028 QemuOptsList *device = qemu_find_opts("device");
2029 static int index = 0;
2030 char label[32];
2031 QemuOpts *bus_opts, *dev_opts;
2032
2033 if (strcmp(devname, "none") == 0)
2034 return 0;
2035 if (index == MAX_VIRTIO_CONSOLES) {
2036 fprintf(stderr, "qemu: too many virtio consoles\n");
2037 exit(1);
2038 }
2039
2040 bus_opts = qemu_opts_create(device, NULL, 0);
2041 qemu_opt_set(bus_opts, "driver", "virtio-serial");
2042
2043 dev_opts = qemu_opts_create(device, NULL, 0);
2044 qemu_opt_set(dev_opts, "driver", "virtconsole");
2045
2046 snprintf(label, sizeof(label), "virtcon%d", index);
2047 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2048 if (!virtcon_hds[index]) {
2049 fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
2050 devname, strerror(errno));
2051 return -1;
2052 }
2053 qemu_opt_set(dev_opts, "chardev", label);
2054
2055 index++;
2056 return 0;
2057 }
2058
2059 static int debugcon_parse(const char *devname)
2060 {
2061 QemuOpts *opts;
2062
2063 if (!qemu_chr_new("debugcon", devname, NULL)) {
2064 exit(1);
2065 }
2066 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1);
2067 if (!opts) {
2068 fprintf(stderr, "qemu: already have a debugcon device\n");
2069 exit(1);
2070 }
2071 qemu_opt_set(opts, "driver", "isa-debugcon");
2072 qemu_opt_set(opts, "chardev", "debugcon");
2073 return 0;
2074 }
2075
2076 static QEMUMachine *machine_parse(const char *name)
2077 {
2078 QEMUMachine *m, *machine = NULL;
2079
2080 if (name) {
2081 machine = find_machine(name);
2082 }
2083 if (machine) {
2084 return machine;
2085 }
2086 printf("Supported machines are:\n");
2087 for (m = first_machine; m != NULL; m = m->next) {
2088 if (m->alias) {
2089 printf("%-10s %s (alias of %s)\n", m->alias, m->desc, m->name);
2090 }
2091 printf("%-10s %s%s\n", m->name, m->desc,
2092 m->is_default ? " (default)" : "");
2093 }
2094 exit(!name || *name != '?');
2095 }
2096
2097 static int tcg_init(void)
2098 {
2099 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2100 return 0;
2101 }
2102
2103 static struct {
2104 const char *opt_name;
2105 const char *name;
2106 int (*available)(void);
2107 int (*init)(void);
2108 int *allowed;
2109 } accel_list[] = {
2110 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2111 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2112 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2113 };
2114
2115 static int configure_accelerator(void)
2116 {
2117 const char *p = NULL;
2118 char buf[10];
2119 int i, ret;
2120 bool accel_initalised = 0;
2121 bool init_failed = 0;
2122
2123 QemuOptsList *list = qemu_find_opts("machine");
2124 if (!QTAILQ_EMPTY(&list->head)) {
2125 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2126 }
2127
2128 if (p == NULL) {
2129 /* Use the default "accelerator", tcg */
2130 p = "tcg";
2131 }
2132
2133 while (!accel_initalised && *p != '\0') {
2134 if (*p == ':') {
2135 p++;
2136 }
2137 p = get_opt_name(buf, sizeof (buf), p, ':');
2138 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2139 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2140 *(accel_list[i].allowed) = 1;
2141 ret = accel_list[i].init();
2142 if (ret < 0) {
2143 init_failed = 1;
2144 if (!accel_list[i].available()) {
2145 printf("%s not supported for this target\n",
2146 accel_list[i].name);
2147 } else {
2148 fprintf(stderr, "failed to initialize %s: %s\n",
2149 accel_list[i].name,
2150 strerror(-ret));
2151 }
2152 *(accel_list[i].allowed) = 0;
2153 } else {
2154 accel_initalised = 1;
2155 }
2156 break;
2157 }
2158 }
2159 if (i == ARRAY_SIZE(accel_list)) {
2160 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2161 }
2162 }
2163
2164 if (!accel_initalised) {
2165 fprintf(stderr, "No accelerator found!\n");
2166 exit(1);
2167 }
2168
2169 if (init_failed) {
2170 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2171 }
2172
2173 return !accel_initalised;
2174 }
2175
2176 void qemu_add_exit_notifier(Notifier *notify)
2177 {
2178 notifier_list_add(&exit_notifiers, notify);
2179 }
2180
2181 void qemu_remove_exit_notifier(Notifier *notify)
2182 {
2183 notifier_list_remove(&exit_notifiers, notify);
2184 }
2185
2186 static void qemu_run_exit_notifiers(void)
2187 {
2188 notifier_list_notify(&exit_notifiers, NULL);
2189 }
2190
2191 void qemu_add_machine_init_done_notifier(Notifier *notify)
2192 {
2193 notifier_list_add(&machine_init_done_notifiers, notify);
2194 }
2195
2196 static void qemu_run_machine_init_done_notifiers(void)
2197 {
2198 notifier_list_notify(&machine_init_done_notifiers, NULL);
2199 }
2200
2201 static const QEMUOption *lookup_opt(int argc, char **argv,
2202 const char **poptarg, int *poptind)
2203 {
2204 const QEMUOption *popt;
2205 int optind = *poptind;
2206 char *r = argv[optind];
2207 const char *optarg;
2208
2209 loc_set_cmdline(argv, optind, 1);
2210 optind++;
2211 /* Treat --foo the same as -foo. */
2212 if (r[1] == '-')
2213 r++;
2214 popt = qemu_options;
2215 for(;;) {
2216 if (!popt->name) {
2217 error_report("invalid option");
2218 exit(1);
2219 }
2220 if (!strcmp(popt->name, r + 1))
2221 break;
2222 popt++;
2223 }
2224 if (popt->flags & HAS_ARG) {
2225 if (optind >= argc) {
2226 error_report("requires an argument");
2227 exit(1);
2228 }
2229 optarg = argv[optind++];
2230 loc_set_cmdline(argv, optind - 2, 2);
2231 } else {
2232 optarg = NULL;
2233 }
2234
2235 *poptarg = optarg;
2236 *poptind = optind;
2237
2238 return popt;
2239 }
2240
2241 static gpointer malloc_and_trace(gsize n_bytes)
2242 {
2243 void *ptr = malloc(n_bytes);
2244 trace_g_malloc(n_bytes, ptr);
2245 return ptr;
2246 }
2247
2248 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2249 {
2250 void *ptr = realloc(mem, n_bytes);
2251 trace_g_realloc(mem, n_bytes, ptr);
2252 return ptr;
2253 }
2254
2255 static void free_and_trace(gpointer mem)
2256 {
2257 trace_g_free(mem);
2258 free(mem);
2259 }
2260
2261 int main(int argc, char **argv, char **envp)
2262 {
2263 const char *gdbstub_dev = NULL;
2264 int i;
2265 int snapshot, linux_boot;
2266 const char *icount_option = NULL;
2267 const char *initrd_filename;
2268 const char *kernel_filename, *kernel_cmdline;
2269 char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2270 DisplayState *ds;
2271 DisplayChangeListener *dcl;
2272 int cyls, heads, secs, translation;
2273 QemuOpts *hda_opts = NULL, *opts;
2274 QemuOptsList *olist;
2275 int optind;
2276 const char *optarg;
2277 const char *loadvm = NULL;
2278 QEMUMachine *machine;
2279 const char *cpu_model;
2280 const char *pid_file = NULL;
2281 const char *incoming = NULL;
2282 #ifdef CONFIG_VNC
2283 int show_vnc_port = 0;
2284 #endif
2285 int defconfig = 1;
2286 const char *log_mask = NULL;
2287 const char *log_file = NULL;
2288 GMemVTable mem_trace = {
2289 .malloc = malloc_and_trace,
2290 .realloc = realloc_and_trace,
2291 .free = free_and_trace,
2292 };
2293 const char *trace_events = NULL;
2294 const char *trace_file = NULL;
2295
2296 atexit(qemu_run_exit_notifiers);
2297 error_set_progname(argv[0]);
2298
2299 g_mem_set_vtable(&mem_trace);
2300 g_thread_init(NULL);
2301
2302 runstate_init();
2303
2304 init_clocks();
2305
2306 qemu_cache_utils_init(envp);
2307
2308 QLIST_INIT (&vm_change_state_head);
2309 os_setup_early_signal_handling();
2310
2311 module_call_init(MODULE_INIT_MACHINE);
2312 machine = find_default_machine();
2313 cpu_model = NULL;
2314 initrd_filename = NULL;
2315 ram_size = 0;
2316 snapshot = 0;
2317 kernel_filename = NULL;
2318 kernel_cmdline = "";
2319 cyls = heads = secs = 0;
2320 translation = BIOS_ATA_TRANSLATION_AUTO;
2321
2322 for (i = 0; i < MAX_NODES; i++) {
2323 node_mem[i] = 0;
2324 node_cpumask[i] = 0;
2325 }
2326
2327 nb_numa_nodes = 0;
2328 nb_nics = 0;
2329
2330 autostart= 1;
2331
2332 /* first pass of option parsing */
2333 optind = 1;
2334 while (optind < argc) {
2335 if (argv[optind][0] != '-') {
2336 /* disk image */
2337 optind++;
2338 continue;
2339 } else {
2340 const QEMUOption *popt;
2341
2342 popt = lookup_opt(argc, argv, &optarg, &optind);
2343 switch (popt->index) {
2344 case QEMU_OPTION_nodefconfig:
2345 defconfig=0;
2346 break;
2347 }
2348 }
2349 }
2350
2351 if (defconfig) {
2352 int ret;
2353
2354 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2355 if (ret < 0 && ret != -ENOENT) {
2356 exit(1);
2357 }
2358
2359 ret = qemu_read_config_file(arch_config_name);
2360 if (ret < 0 && ret != -ENOENT) {
2361 exit(1);
2362 }
2363 }
2364 cpudef_init();
2365
2366 /* second pass of option parsing */
2367 optind = 1;
2368 for(;;) {
2369 if (optind >= argc)
2370 break;
2371 if (argv[optind][0] != '-') {
2372 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2373 } else {
2374 const QEMUOption *popt;
2375
2376 popt = lookup_opt(argc, argv, &optarg, &optind);
2377 if (!(popt->arch_mask & arch_type)) {
2378 printf("Option %s not supported for this target\n", popt->name);
2379 exit(1);
2380 }
2381 switch(popt->index) {
2382 case QEMU_OPTION_M:
2383 machine = machine_parse(optarg);
2384 break;
2385 case QEMU_OPTION_cpu:
2386 /* hw initialization will check this */
2387 if (*optarg == '?') {
2388 list_cpus(stdout, &fprintf, optarg);
2389 exit(0);
2390 } else {
2391 cpu_model = optarg;
2392 }
2393 break;
2394 case QEMU_OPTION_initrd:
2395 initrd_filename = optarg;
2396 break;
2397 case QEMU_OPTION_hda:
2398 {
2399 char buf[256];
2400 if (cyls == 0)
2401 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2402 else
2403 snprintf(buf, sizeof(buf),
2404 "%s,cyls=%d,heads=%d,secs=%d%s",
2405 HD_OPTS , cyls, heads, secs,
2406 translation == BIOS_ATA_TRANSLATION_LBA ?
2407 ",trans=lba" :
2408 translation == BIOS_ATA_TRANSLATION_NONE ?
2409 ",trans=none" : "");
2410 drive_add(IF_DEFAULT, 0, optarg, buf);
2411 break;
2412 }
2413 case QEMU_OPTION_hdb:
2414 case QEMU_OPTION_hdc:
2415 case QEMU_OPTION_hdd:
2416 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2417 HD_OPTS);
2418 break;
2419 case QEMU_OPTION_drive:
2420 if (drive_def(optarg) == NULL) {
2421 exit(1);
2422 }
2423 break;
2424 case QEMU_OPTION_set:
2425 if (qemu_set_option(optarg) != 0)
2426 exit(1);
2427 break;
2428 case QEMU_OPTION_global:
2429 if (qemu_global_option(optarg) != 0)
2430 exit(1);
2431 break;
2432 case QEMU_OPTION_mtdblock:
2433 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2434 break;
2435 case QEMU_OPTION_sd:
2436 drive_add(IF_SD, 0, optarg, SD_OPTS);
2437 break;
2438 case QEMU_OPTION_pflash:
2439 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2440 break;
2441 case QEMU_OPTION_snapshot:
2442 snapshot = 1;
2443 break;
2444 case QEMU_OPTION_hdachs:
2445 {
2446 const char *p;
2447 p = optarg;
2448 cyls = strtol(p, (char **)&p, 0);
2449 if (cyls < 1 || cyls > 16383)
2450 goto chs_fail;
2451 if (*p != ',')
2452 goto chs_fail;
2453 p++;
2454 heads = strtol(p, (char **)&p, 0);
2455 if (heads < 1 || heads > 16)
2456 goto chs_fail;
2457 if (*p != ',')
2458 goto chs_fail;
2459 p++;
2460 secs = strtol(p, (char **)&p, 0);
2461 if (secs < 1 || secs > 63)
2462 goto chs_fail;
2463 if (*p == ',') {
2464 p++;
2465 if (!strcmp(p, "none"))
2466 translation = BIOS_ATA_TRANSLATION_NONE;
2467 else if (!strcmp(p, "lba"))
2468 translation = BIOS_ATA_TRANSLATION_LBA;
2469 else if (!strcmp(p, "auto"))
2470 translation = BIOS_ATA_TRANSLATION_AUTO;
2471 else
2472 goto chs_fail;
2473 } else if (*p != '\0') {
2474 chs_fail:
2475 fprintf(stderr, "qemu: invalid physical CHS format\n");
2476 exit(1);
2477 }
2478 if (hda_opts != NULL) {
2479 char num[16];
2480 snprintf(num, sizeof(num), "%d", cyls);
2481 qemu_opt_set(hda_opts, "cyls", num);
2482 snprintf(num, sizeof(num), "%d", heads);
2483 qemu_opt_set(hda_opts, "heads", num);
2484 snprintf(num, sizeof(num), "%d", secs);
2485 qemu_opt_set(hda_opts, "secs", num);
2486 if (translation == BIOS_ATA_TRANSLATION_LBA)
2487 qemu_opt_set(hda_opts, "trans", "lba");
2488 if (translation == BIOS_ATA_TRANSLATION_NONE)
2489 qemu_opt_set(hda_opts, "trans", "none");
2490 }
2491 }
2492 break;
2493 case QEMU_OPTION_numa:
2494 if (nb_numa_nodes >= MAX_NODES) {
2495 fprintf(stderr, "qemu: too many NUMA nodes\n");
2496 exit(1);
2497 }
2498 numa_add(optarg);
2499 break;
2500 case QEMU_OPTION_display:
2501 display_type = select_display(optarg);
2502 break;
2503 case QEMU_OPTION_nographic:
2504 display_type = DT_NOGRAPHIC;
2505 break;
2506 case QEMU_OPTION_curses:
2507 #ifdef CONFIG_CURSES
2508 display_type = DT_CURSES;
2509 #else
2510 fprintf(stderr, "Curses support is disabled\n");
2511 exit(1);
2512 #endif
2513 break;
2514 case QEMU_OPTION_portrait:
2515 graphic_rotate = 90;
2516 break;
2517 case QEMU_OPTION_rotate:
2518 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2519 if (graphic_rotate != 0 && graphic_rotate != 90 &&
2520 graphic_rotate != 180 && graphic_rotate != 270) {
2521 fprintf(stderr,
2522 "qemu: only 90, 180, 270 deg rotation is available\n");
2523 exit(1);
2524 }
2525 break;
2526 case QEMU_OPTION_kernel:
2527 kernel_filename = optarg;
2528 break;
2529 case QEMU_OPTION_append:
2530 kernel_cmdline = optarg;
2531 break;
2532 case QEMU_OPTION_cdrom:
2533 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2534 break;
2535 case QEMU_OPTION_boot:
2536 {
2537 static const char * const params[] = {
2538 "order", "once", "menu",
2539 "splash", "splash-time", NULL
2540 };
2541 char buf[sizeof(boot_devices)];
2542 char *standard_boot_devices;
2543 int legacy = 0;
2544
2545 if (!strchr(optarg, '=')) {
2546 legacy = 1;
2547 pstrcpy(buf, sizeof(buf), optarg);
2548 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2549 fprintf(stderr,
2550 "qemu: unknown boot parameter '%s' in '%s'\n",
2551 buf, optarg);
2552 exit(1);
2553 }
2554
2555 if (legacy ||
2556 get_param_value(buf, sizeof(buf), "order", optarg)) {
2557 validate_bootdevices(buf);
2558 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2559 }
2560 if (!legacy) {
2561 if (get_param_value(buf, sizeof(buf),
2562 "once", optarg)) {
2563 validate_bootdevices(buf);
2564 standard_boot_devices = g_strdup(boot_devices);
2565 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2566 qemu_register_reset(restore_boot_devices,
2567 standard_boot_devices);
2568 }
2569 if (get_param_value(buf, sizeof(buf),
2570 "menu", optarg)) {
2571 if (!strcmp(buf, "on")) {
2572 boot_menu = 1;
2573 } else if (!strcmp(buf, "off")) {
2574 boot_menu = 0;
2575 } else {
2576 fprintf(stderr,
2577 "qemu: invalid option value '%s'\n",
2578 buf);
2579 exit(1);
2580 }
2581 }
2582 qemu_opts_parse(qemu_find_opts("boot-opts"),
2583 optarg, 0);
2584 }
2585 }
2586 break;
2587 case QEMU_OPTION_fda:
2588 case QEMU_OPTION_fdb:
2589 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2590 optarg, FD_OPTS);
2591 break;
2592 case QEMU_OPTION_no_fd_bootchk:
2593 fd_bootchk = 0;
2594 break;
2595 case QEMU_OPTION_netdev:
2596 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2597 exit(1);
2598 }
2599 break;
2600 case QEMU_OPTION_net:
2601 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2602 exit(1);
2603 }
2604 break;
2605 #ifdef CONFIG_SLIRP
2606 case QEMU_OPTION_tftp:
2607 legacy_tftp_prefix = optarg;
2608 break;
2609 case QEMU_OPTION_bootp:
2610 legacy_bootp_filename = optarg;
2611 break;
2612 case QEMU_OPTION_redir:
2613 if (net_slirp_redir(optarg) < 0)
2614 exit(1);
2615 break;
2616 #endif
2617 case QEMU_OPTION_bt:
2618 add_device_config(DEV_BT, optarg);
2619 break;
2620 case QEMU_OPTION_audio_help:
2621 if (!(audio_available())) {
2622 printf("Option %s not supported for this target\n", popt->name);
2623 exit(1);
2624 }
2625 AUD_help ();
2626 exit (0);
2627 break;
2628 case QEMU_OPTION_soundhw:
2629 if (!(audio_available())) {
2630 printf("Option %s not supported for this target\n", popt->name);
2631 exit(1);
2632 }
2633 select_soundhw (optarg);
2634 break;
2635 case QEMU_OPTION_h:
2636 help(0);
2637 break;
2638 case QEMU_OPTION_version:
2639 version();
2640 exit(0);
2641 break;
2642 case QEMU_OPTION_m: {
2643 int64_t value;
2644
2645 value = strtosz(optarg, NULL);
2646 if (value < 0) {
2647 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2648 exit(1);
2649 }
2650
2651 if (value != (uint64_t)(ram_addr_t)value) {
2652 fprintf(stderr, "qemu: ram size too large\n");
2653 exit(1);
2654 }
2655 ram_size = value;
2656 break;
2657 }
2658 case QEMU_OPTION_mempath:
2659 mem_path = optarg;
2660 break;
2661 #ifdef MAP_POPULATE
2662 case QEMU_OPTION_mem_prealloc:
2663 mem_prealloc = 1;
2664 break;
2665 #endif
2666 case QEMU_OPTION_d:
2667 log_mask = optarg;
2668 break;
2669 case QEMU_OPTION_D:
2670 log_file = optarg;
2671 break;
2672 case QEMU_OPTION_s:
2673 gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
2674 break;
2675 case QEMU_OPTION_gdb:
2676 gdbstub_dev = optarg;
2677 break;
2678 case QEMU_OPTION_L:
2679 data_dir = optarg;
2680 break;
2681 case QEMU_OPTION_bios:
2682 bios_name = optarg;
2683 break;
2684 case QEMU_OPTION_singlestep:
2685 singlestep = 1;
2686 break;
2687 case QEMU_OPTION_S:
2688 autostart = 0;
2689 break;
2690 case QEMU_OPTION_k:
2691 keyboard_layout = optarg;
2692 break;
2693 case QEMU_OPTION_localtime:
2694 rtc_utc = 0;
2695 break;
2696 case QEMU_OPTION_vga:
2697 select_vgahw (optarg);
2698 break;
2699 case QEMU_OPTION_g:
2700 {
2701 const char *p;
2702 int w, h, depth;
2703 p = optarg;
2704 w = strtol(p, (char **)&p, 10);
2705 if (w <= 0) {
2706 graphic_error:
2707 fprintf(stderr, "qemu: invalid resolution or depth\n");
2708 exit(1);
2709 }
2710 if (*p != 'x')
2711 goto graphic_error;
2712 p++;
2713 h = strtol(p, (char **)&p, 10);
2714 if (h <= 0)
2715 goto graphic_error;
2716 if (*p == 'x') {
2717 p++;
2718 depth = strtol(p, (char **)&p, 10);
2719 if (depth != 8 && depth != 15 && depth != 16 &&
2720 depth != 24 && depth != 32)
2721 goto graphic_error;
2722 } else if (*p == '\0') {
2723 depth = graphic_depth;
2724 } else {
2725 goto graphic_error;
2726 }
2727
2728 graphic_width = w;
2729 graphic_height = h;
2730 graphic_depth = depth;
2731 }
2732 break;
2733 case QEMU_OPTION_echr:
2734 {
2735 char *r;
2736 term_escape_char = strtol(optarg, &r, 0);
2737 if (r == optarg)
2738 printf("Bad argument to echr\n");
2739 break;
2740 }
2741 case QEMU_OPTION_monitor:
2742 monitor_parse(optarg, "readline");
2743 default_monitor = 0;
2744 break;
2745 case QEMU_OPTION_qmp:
2746 monitor_parse(optarg, "control");
2747 default_monitor = 0;
2748 break;
2749 case QEMU_OPTION_mon:
2750 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2751 if (!opts) {
2752 exit(1);
2753 }
2754 default_monitor = 0;
2755 break;
2756 case QEMU_OPTION_chardev:
2757 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2758 if (!opts) {
2759 exit(1);
2760 }
2761 break;
2762 case QEMU_OPTION_fsdev:
2763 olist = qemu_find_opts("fsdev");
2764 if (!olist) {
2765 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2766 exit(1);
2767 }
2768 opts = qemu_opts_parse(olist, optarg, 1);
2769 if (!opts) {
2770 fprintf(stderr, "parse error: %s\n", optarg);
2771 exit(1);
2772 }
2773 break;
2774 case QEMU_OPTION_virtfs: {
2775 QemuOpts *fsdev;
2776 QemuOpts *device;
2777
2778 olist = qemu_find_opts("virtfs");
2779 if (!olist) {
2780 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2781 exit(1);
2782 }
2783 opts = qemu_opts_parse(olist, optarg, 1);
2784 if (!opts) {
2785 fprintf(stderr, "parse error: %s\n", optarg);
2786 exit(1);
2787 }
2788
2789 if (qemu_opt_get(opts, "fstype") == NULL ||
2790 qemu_opt_get(opts, "mount_tag") == NULL ||
2791 qemu_opt_get(opts, "path") == NULL ||
2792 qemu_opt_get(opts, "security_model") == NULL) {
2793 fprintf(stderr, "Usage: -virtfs fstype,path=/share_path/,"
2794 "security_model=[mapped|passthrough|none],"
2795 "mount_tag=tag.\n");
2796 exit(1);
2797 }
2798
2799 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
2800 qemu_opt_get(opts, "mount_tag"), 1);
2801 if (!fsdev) {
2802 fprintf(stderr, "duplicate fsdev id: %s\n",
2803 qemu_opt_get(opts, "mount_tag"));
2804 exit(1);
2805 }
2806 qemu_opt_set(fsdev, "fstype", qemu_opt_get(opts, "fstype"));
2807 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
2808 qemu_opt_set(fsdev, "security_model",
2809 qemu_opt_get(opts, "security_model"));
2810
2811 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
2812 qemu_opt_set(device, "driver", "virtio-9p-pci");
2813 qemu_opt_set(device, "fsdev",
2814 qemu_opt_get(opts, "mount_tag"));
2815 qemu_opt_set(device, "mount_tag",
2816 qemu_opt_get(opts, "mount_tag"));
2817 break;
2818 }
2819 case QEMU_OPTION_serial:
2820 add_device_config(DEV_SERIAL, optarg);
2821 default_serial = 0;
2822 if (strncmp(optarg, "mon:", 4) == 0) {
2823 default_monitor = 0;
2824 }
2825 break;
2826 case QEMU_OPTION_watchdog:
2827 if (watchdog) {
2828 fprintf(stderr,
2829 "qemu: only one watchdog option may be given\n");
2830 return 1;
2831 }
2832 watchdog = optarg;
2833 break;
2834 case QEMU_OPTION_watchdog_action:
2835 if (select_watchdog_action(optarg) == -1) {
2836 fprintf(stderr, "Unknown -watchdog-action parameter\n");
2837 exit(1);
2838 }
2839 break;
2840 case QEMU_OPTION_virtiocon:
2841 add_device_config(DEV_VIRTCON, optarg);
2842 default_virtcon = 0;
2843 if (strncmp(optarg, "mon:", 4) == 0) {
2844 default_monitor = 0;
2845 }
2846 break;
2847 case QEMU_OPTION_parallel:
2848 add_device_config(DEV_PARALLEL, optarg);
2849 default_parallel = 0;
2850 if (strncmp(optarg, "mon:", 4) == 0) {
2851 default_monitor = 0;
2852 }
2853 break;
2854 case QEMU_OPTION_debugcon:
2855 add_device_config(DEV_DEBUGCON, optarg);
2856 break;
2857 case QEMU_OPTION_loadvm:
2858 loadvm = optarg;
2859 break;
2860 case QEMU_OPTION_full_screen:
2861 full_screen = 1;
2862 break;
2863 #ifdef CONFIG_SDL
2864 case QEMU_OPTION_no_frame:
2865 no_frame = 1;
2866 break;
2867 case QEMU_OPTION_alt_grab:
2868 alt_grab = 1;
2869 break;
2870 case QEMU_OPTION_ctrl_grab:
2871 ctrl_grab = 1;
2872 break;
2873 case QEMU_OPTION_no_quit:
2874 no_quit = 1;
2875 break;
2876 case QEMU_OPTION_sdl:
2877 display_type = DT_SDL;
2878 break;
2879 #else
2880 case QEMU_OPTION_no_frame:
2881 case QEMU_OPTION_alt_grab:
2882 case QEMU_OPTION_ctrl_grab:
2883 case QEMU_OPTION_no_quit:
2884 case QEMU_OPTION_sdl:
2885 fprintf(stderr, "SDL support is disabled\n");
2886 exit(1);
2887 #endif
2888 case QEMU_OPTION_pidfile:
2889 pid_file = optarg;
2890 break;
2891 case QEMU_OPTION_win2k_hack:
2892 win2k_install_hack = 1;
2893 break;
2894 case QEMU_OPTION_rtc_td_hack:
2895 rtc_td_hack = 1;
2896 break;
2897 case QEMU_OPTION_acpitable:
2898 do_acpitable_option(optarg);
2899 break;
2900 case QEMU_OPTION_smbios:
2901 do_smbios_option(optarg);
2902 break;
2903 case QEMU_OPTION_enable_kvm:
2904 olist = qemu_find_opts("machine");
2905 qemu_opts_reset(olist);
2906 qemu_opts_parse(olist, "accel=kvm", 0);
2907 break;
2908 case QEMU_OPTION_machine:
2909 olist = qemu_find_opts("machine");
2910 qemu_opts_reset(olist);
2911 opts = qemu_opts_parse(olist, optarg, 1);
2912 if (!opts) {
2913 fprintf(stderr, "parse error: %s\n", optarg);
2914 exit(1);
2915 }
2916 optarg = qemu_opt_get(opts, "type");
2917 if (optarg) {
2918 machine = machine_parse(optarg);
2919 }
2920 break;
2921 case QEMU_OPTION_usb:
2922 usb_enabled = 1;
2923 break;
2924 case QEMU_OPTION_usbdevice:
2925 usb_enabled = 1;
2926 add_device_config(DEV_USB, optarg);
2927 break;
2928 case QEMU_OPTION_device:
2929 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
2930 exit(1);
2931 }
2932 break;
2933 case QEMU_OPTION_smp:
2934 smp_parse(optarg);
2935 if (smp_cpus < 1) {
2936 fprintf(stderr, "Invalid number of CPUs\n");
2937 exit(1);
2938 }
2939 if (max_cpus < smp_cpus) {
2940 fprintf(stderr, "maxcpus must be equal to or greater than "
2941 "smp\n");
2942 exit(1);
2943 }
2944 if (max_cpus > 255) {
2945 fprintf(stderr, "Unsupported number of maxcpus\n");
2946 exit(1);
2947 }
2948 break;
2949 case QEMU_OPTION_vnc:
2950 #ifdef CONFIG_VNC
2951 display_remote++;
2952 vnc_display = optarg;
2953 #else
2954 fprintf(stderr, "VNC support is disabled\n");
2955 exit(1);
2956 #endif
2957 break;
2958 case QEMU_OPTION_no_acpi:
2959 acpi_enabled = 0;
2960 break;
2961 case QEMU_OPTION_no_hpet:
2962 no_hpet = 1;
2963 break;
2964 case QEMU_OPTION_balloon:
2965 if (balloon_parse(optarg) < 0) {
2966 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
2967 exit(1);
2968 }
2969 break;
2970 case QEMU_OPTION_no_reboot:
2971 no_reboot = 1;
2972 break;
2973 case QEMU_OPTION_no_shutdown:
2974 no_shutdown = 1;
2975 break;
2976 case QEMU_OPTION_show_cursor:
2977 cursor_hide = 0;
2978 break;
2979 case QEMU_OPTION_uuid:
2980 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
2981 fprintf(stderr, "Fail to parse UUID string."
2982 " Wrong format.\n");
2983 exit(1);
2984 }
2985 break;
2986 case QEMU_OPTION_option_rom:
2987 if (nb_option_roms >= MAX_OPTION_ROMS) {
2988 fprintf(stderr, "Too many option ROMs\n");
2989 exit(1);
2990 }
2991 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
2992 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
2993 option_rom[nb_option_roms].bootindex =
2994 qemu_opt_get_number(opts, "bootindex", -1);
2995 if (!option_rom[nb_option_roms].name) {
2996 fprintf(stderr, "Option ROM file is not specified\n");
2997 exit(1);
2998 }
2999 nb_option_roms++;
3000 break;
3001 case QEMU_OPTION_semihosting:
3002 semihosting_enabled = 1;
3003 break;
3004 case QEMU_OPTION_name:
3005 qemu_name = g_strdup(optarg);
3006 {
3007 char *p = strchr(qemu_name, ',');
3008 if (p != NULL) {
3009 *p++ = 0;
3010 if (strncmp(p, "process=", 8)) {
3011 fprintf(stderr, "Unknown subargument %s to -name\n", p);
3012 exit(1);
3013 }
3014 p += 8;
3015 os_set_proc_name(p);
3016 }
3017 }
3018 break;
3019 case QEMU_OPTION_prom_env:
3020 if (nb_prom_envs >= MAX_PROM_ENVS) {
3021 fprintf(stderr, "Too many prom variables\n");
3022 exit(1);
3023 }
3024 prom_envs[nb_prom_envs] = optarg;
3025 nb_prom_envs++;
3026 break;
3027 case QEMU_OPTION_old_param:
3028 old_param = 1;
3029 break;
3030 case QEMU_OPTION_clock:
3031 configure_alarms(optarg);
3032 break;
3033 case QEMU_OPTION_startdate:
3034 configure_rtc_date_offset(optarg, 1);
3035 break;
3036 case QEMU_OPTION_rtc:
3037 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3038 if (!opts) {
3039 exit(1);
3040 }
3041 configure_rtc(opts);
3042 break;
3043 case QEMU_OPTION_tb_size:
3044 tcg_tb_size = strtol(optarg, NULL, 0);
3045 if (tcg_tb_size < 0) {
3046 tcg_tb_size = 0;
3047 }
3048 break;
3049 case QEMU_OPTION_icount:
3050 icount_option = optarg;
3051 break;
3052 case QEMU_OPTION_incoming:
3053 incoming = optarg;
3054 break;
3055 case QEMU_OPTION_nodefaults:
3056 default_serial = 0;
3057 default_parallel = 0;
3058 default_virtcon = 0;
3059 default_monitor = 0;
3060 default_vga = 0;
3061 default_net = 0;
3062 default_floppy = 0;
3063 default_cdrom = 0;
3064 default_sdcard = 0;
3065 break;
3066 case QEMU_OPTION_xen_domid:
3067 if (!(xen_available())) {
3068 printf("Option %s not supported for this target\n", popt->name);
3069 exit(1);
3070 }
3071 xen_domid = atoi(optarg);
3072 break;
3073 case QEMU_OPTION_xen_create:
3074 if (!(xen_available())) {
3075 printf("Option %s not supported for this target\n", popt->name);
3076 exit(1);
3077 }
3078 xen_mode = XEN_CREATE;
3079 break;
3080 case QEMU_OPTION_xen_attach:
3081 if (!(xen_available())) {
3082 printf("Option %s not supported for this target\n", popt->name);
3083 exit(1);
3084 }
3085 xen_mode = XEN_ATTACH;
3086 break;
3087 case QEMU_OPTION_trace:
3088 {
3089 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3090 if (!opts) {
3091 exit(1);
3092 }
3093 trace_events = qemu_opt_get(opts, "events");
3094 trace_file = qemu_opt_get(opts, "file");
3095 break;
3096 }
3097 case QEMU_OPTION_readconfig:
3098 {
3099 int ret = qemu_read_config_file(optarg);
3100 if (ret < 0) {
3101 fprintf(stderr, "read config %s: %s\n", optarg,
3102 strerror(-ret));
3103 exit(1);
3104 }
3105 break;
3106 }
3107 case QEMU_OPTION_spice:
3108 olist = qemu_find_opts("spice");
3109 if (!olist) {
3110 fprintf(stderr, "spice is not supported by this qemu build.\n");
3111 exit(1);
3112 }
3113 opts = qemu_opts_parse(olist, optarg, 0);
3114 if (!opts) {
3115 fprintf(stderr, "parse error: %s\n", optarg);
3116 exit(1);
3117 }
3118 break;
3119 case QEMU_OPTION_writeconfig:
3120 {
3121 FILE *fp;
3122 if (strcmp(optarg, "-") == 0) {
3123 fp = stdout;
3124 } else {
3125 fp = fopen(optarg, "w");
3126 if (fp == NULL) {
3127 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3128 exit(1);
3129 }
3130 }
3131 qemu_config_write(fp);
3132 fclose(fp);
3133 break;
3134 }
3135 default:
3136 os_parse_cmd_args(popt->index, optarg);
3137 }
3138 }
3139 }
3140 loc_set_none();
3141
3142 /* Open the logfile at this point, if necessary. We can't open the logfile
3143 * when encountering either of the logging options (-d or -D) because the
3144 * other one may be encountered later on the command line, changing the
3145 * location or level of logging.
3146 */
3147 if (log_mask) {
3148 if (log_file) {
3149 set_cpu_log_filename(log_file);
3150 }
3151 set_cpu_log(log_mask);
3152 }
3153
3154 if (!trace_backend_init(trace_events, trace_file)) {
3155 exit(1);
3156 }
3157
3158 /* If no data_dir is specified then try to find it relative to the
3159 executable path. */
3160 if (!data_dir) {
3161 data_dir = os_find_datadir(argv[0]);
3162 }
3163 /* If all else fails use the install path specified when building. */
3164 if (!data_dir) {
3165 data_dir = CONFIG_QEMU_DATADIR;
3166 }
3167
3168 /*
3169 * Default to max_cpus = smp_cpus, in case the user doesn't
3170 * specify a max_cpus value.
3171 */
3172 if (!max_cpus)
3173 max_cpus = smp_cpus;
3174
3175 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3176 if (smp_cpus > machine->max_cpus) {
3177 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3178 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
3179 machine->max_cpus);
3180 exit(1);
3181 }
3182
3183 /*
3184 * Get the default machine options from the machine if it is not already
3185 * specified either by the configuration file or by the command line.
3186 */
3187 if (machine->default_machine_opts) {
3188 QemuOptsList *list = qemu_find_opts("machine");
3189 const char *p = NULL;
3190
3191 if (!QTAILQ_EMPTY(&list->head)) {
3192 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
3193 }
3194 if (p == NULL) {
3195 qemu_opts_reset(list);
3196 opts = qemu_opts_parse(list, machine->default_machine_opts, 0);
3197 if (!opts) {
3198 fprintf(stderr, "parse error for machine %s: %s\n",
3199 machine->name, machine->default_machine_opts);
3200 exit(1);
3201 }
3202 }
3203 }
3204
3205 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3206 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3207
3208 if (machine->no_serial) {
3209 default_serial = 0;
3210 }
3211 if (machine->no_parallel) {
3212 default_parallel = 0;
3213 }
3214 if (!machine->use_virtcon) {
3215 default_virtcon = 0;
3216 }
3217 if (machine->no_vga) {
3218 default_vga = 0;
3219 }
3220 if (machine->no_floppy) {
3221 default_floppy = 0;
3222 }
3223 if (machine->no_cdrom) {
3224 default_cdrom = 0;
3225 }
3226 if (machine->no_sdcard) {
3227 default_sdcard = 0;
3228 }
3229
3230 if (display_type == DT_NOGRAPHIC) {
3231 if (default_parallel)
3232 add_device_config(DEV_PARALLEL, "null");
3233 if (default_serial && default_monitor) {
3234 add_device_config(DEV_SERIAL, "mon:stdio");
3235 } else if (default_virtcon && default_monitor) {
3236 add_device_config(DEV_VIRTCON, "mon:stdio");
3237 } else {
3238 if (default_serial)
3239 add_device_config(DEV_SERIAL, "stdio");
3240 if (default_virtcon)
3241 add_device_config(DEV_VIRTCON, "stdio");
3242 if (default_monitor)
3243 monitor_parse("stdio", "readline");
3244 }
3245 } else {
3246 if (default_serial)
3247 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3248 if (default_parallel)
3249 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3250 if (default_monitor)
3251 monitor_parse("vc:80Cx24C", "readline");
3252 if (default_virtcon)
3253 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3254 }
3255 if (default_vga)
3256 vga_interface_type = VGA_CIRRUS;
3257
3258 socket_init();
3259
3260 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3261 exit(1);
3262 #ifdef CONFIG_VIRTFS
3263 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3264 exit(1);
3265 }
3266 #endif
3267
3268 os_daemonize();
3269
3270 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3271 os_pidfile_error();
3272 exit(1);
3273 }
3274
3275 /* init the memory */
3276 if (ram_size == 0) {
3277 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3278 }
3279
3280 configure_accelerator();
3281
3282 if (qemu_init_main_loop()) {
3283 fprintf(stderr, "qemu_init_main_loop failed\n");
3284 exit(1);
3285 }
3286 linux_boot = (kernel_filename != NULL);
3287
3288 if (!linux_boot && *kernel_cmdline != '\0') {
3289 fprintf(stderr, "-append only allowed with -kernel option\n");
3290 exit(1);
3291 }
3292
3293 if (!linux_boot && initrd_filename != NULL) {
3294 fprintf(stderr, "-initrd only allowed with -kernel option\n");
3295 exit(1);
3296 }
3297
3298 os_set_line_buffering();
3299
3300 if (init_timer_alarm() < 0) {
3301 fprintf(stderr, "could not initialize alarm timer\n");
3302 exit(1);
3303 }
3304 configure_icount(icount_option);
3305
3306 if (net_init_clients() < 0) {
3307 exit(1);
3308 }
3309
3310 /* init the bluetooth world */
3311 if (foreach_device_config(DEV_BT, bt_parse))
3312 exit(1);
3313
3314 if (!xen_enabled()) {
3315 /* On 32-bit hosts, QEMU is limited by virtual address space */
3316 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
3317 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
3318 exit(1);
3319 }
3320 }
3321
3322 cpu_exec_init_all();
3323
3324 bdrv_init_with_whitelist();
3325
3326 blk_mig_init();
3327
3328 /* open the virtual block devices */
3329 if (snapshot)
3330 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3331 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
3332 exit(1);
3333
3334 default_drive(default_cdrom, snapshot, machine->use_scsi,
3335 IF_DEFAULT, 2, CDROM_OPTS);
3336 default_drive(default_floppy, snapshot, machine->use_scsi,
3337 IF_FLOPPY, 0, FD_OPTS);
3338 default_drive(default_sdcard, snapshot, machine->use_scsi,
3339 IF_SD, 0, SD_OPTS);
3340
3341 register_savevm_live(NULL, "ram", 0, 4, NULL, ram_save_live, NULL,
3342 ram_load, NULL);
3343
3344 if (nb_numa_nodes > 0) {
3345 int i;
3346
3347 if (nb_numa_nodes > MAX_NODES) {
3348 nb_numa_nodes = MAX_NODES;
3349 }
3350
3351 /* If no memory size if given for any node, assume the default case
3352 * and distribute the available memory equally across all nodes
3353 */
3354 for (i = 0; i < nb_numa_nodes; i++) {
3355 if (node_mem[i] != 0)
3356 break;
3357 }
3358 if (i == nb_numa_nodes) {
3359 uint64_t usedmem = 0;
3360
3361 /* On Linux, the each node's border has to be 8MB aligned,
3362 * the final node gets the rest.
3363 */
3364 for (i = 0; i < nb_numa_nodes - 1; i++) {
3365 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3366 usedmem += node_mem[i];
3367 }
3368 node_mem[i] = ram_size - usedmem;
3369 }
3370
3371 for (i = 0; i < nb_numa_nodes; i++) {
3372 if (node_cpumask[i] != 0)
3373 break;
3374 }
3375 /* assigning the VCPUs round-robin is easier to implement, guest OSes
3376 * must cope with this anyway, because there are BIOSes out there in
3377 * real machines which also use this scheme.
3378 */
3379 if (i == nb_numa_nodes) {
3380 for (i = 0; i < smp_cpus; i++) {
3381 node_cpumask[i % nb_numa_nodes] |= 1 << i;
3382 }
3383 }
3384 }
3385
3386 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3387 exit(1);
3388 }
3389
3390 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3391 exit(1);
3392 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3393 exit(1);
3394 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3395 exit(1);
3396 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3397 exit(1);
3398
3399 module_call_init(MODULE_INIT_DEVICE);
3400
3401 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) != 0)
3402 exit(0);
3403
3404 if (watchdog) {
3405 i = select_watchdog(watchdog);
3406 if (i > 0)
3407 exit (i == 1 ? 1 : 0);
3408 }
3409
3410 if (machine->compat_props) {
3411 qdev_prop_register_global_list(machine->compat_props);
3412 }
3413 qemu_add_globals();
3414
3415 machine->init(ram_size, boot_devices,
3416 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3417
3418 cpu_synchronize_all_post_init();
3419
3420 set_numa_modes();
3421
3422 current_machine = machine;
3423
3424 /* init USB devices */
3425 if (usb_enabled) {
3426 if (foreach_device_config(DEV_USB, usb_parse) < 0)
3427 exit(1);
3428 }
3429
3430 /* init generic devices */
3431 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3432 exit(1);
3433
3434 net_check_clients();
3435
3436 /* just use the first displaystate for the moment */
3437 ds = get_displaystate();
3438
3439 if (using_spice)
3440 display_remote++;
3441 if (display_type == DT_DEFAULT && !display_remote) {
3442 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3443 display_type = DT_SDL;
3444 #elif defined(CONFIG_VNC)
3445 vnc_display = "localhost:0,to=99";
3446 show_vnc_port = 1;
3447 #else
3448 display_type = DT_NONE;
3449 #endif
3450 }
3451
3452
3453 /* init local displays */
3454 switch (display_type) {
3455 case DT_NOGRAPHIC:
3456 break;
3457 #if defined(CONFIG_CURSES)
3458 case DT_CURSES:
3459 curses_display_init(ds, full_screen);
3460 break;
3461 #endif
3462 #if defined(CONFIG_SDL)
3463 case DT_SDL:
3464 sdl_display_init(ds, full_screen, no_frame);
3465 break;
3466 #elif defined(CONFIG_COCOA)
3467 case DT_SDL:
3468 cocoa_display_init(ds, full_screen);
3469 break;
3470 #endif
3471 default:
3472 break;
3473 }
3474
3475 /* must be after terminal init, SDL library changes signal handlers */
3476 os_setup_signal_handling();
3477
3478 #ifdef CONFIG_VNC
3479 /* init remote displays */
3480 if (vnc_display) {
3481 vnc_display_init(ds);
3482 if (vnc_display_open(ds, vnc_display) < 0)
3483 exit(1);
3484
3485 if (show_vnc_port) {
3486 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3487 }
3488 }
3489 #endif
3490 #ifdef CONFIG_SPICE
3491 if (using_spice && !qxl_enabled) {
3492 qemu_spice_display_init(ds);
3493 }
3494 #endif
3495
3496 /* display setup */
3497 dpy_resize(ds);
3498 dcl = ds->listeners;
3499 while (dcl != NULL) {
3500 if (dcl->dpy_refresh != NULL) {
3501 ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
3502 qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
3503 break;
3504 }
3505 dcl = dcl->next;
3506 }
3507 text_consoles_set_display(ds);
3508
3509 if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) {
3510 fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
3511 gdbstub_dev);
3512 exit(1);
3513 }
3514
3515 qdev_machine_creation_done();
3516
3517 if (rom_load_all() != 0) {
3518 fprintf(stderr, "rom loading failed\n");
3519 exit(1);
3520 }
3521
3522 /* TODO: once all bus devices are qdevified, this should be done
3523 * when bus is created by qdev.c */
3524 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3525 qemu_run_machine_init_done_notifiers();
3526
3527 qemu_system_reset(VMRESET_SILENT);
3528 if (loadvm) {
3529 if (load_vmstate(loadvm) < 0) {
3530 autostart = 0;
3531 }
3532 }
3533
3534 if (incoming) {
3535 runstate_set(RUN_STATE_INMIGRATE);
3536 int ret = qemu_start_incoming_migration(incoming);
3537 if (ret < 0) {
3538 fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
3539 incoming, ret);
3540 exit(ret);
3541 }
3542 } else if (autostart) {
3543 vm_start();
3544 }
3545
3546 os_setup_post();
3547
3548 main_loop();
3549 quit_timers();
3550 net_cleanup();
3551 res_free();
3552
3553 return 0;
3554 }
QEmu