]> git.proxmox.com Git - mirror_qemu.git/blame_incremental - vl.c
projects / mirror_qemu.git / blame_incremental
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (non-incremental) | history | HEAD
arm: make sure that number of irqs can be represented in GICD_TYPER.
[mirror_qemu.git] / vl.c
... / ...
CommitLineData
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>
99int qemu_main(int argc, char **argv, char **envp);
100int 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 "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
156#include "disas.h"
157
158#include "qemu_socket.h"
159
160#include "slirp/libslirp.h"
161
162#include "trace.h"
163#include "trace/control.h"
164#include "qemu-queue.h"
165#include "cpus.h"
166#include "arch_init.h"
167
168#include "ui/qemu-spice.h"
169
170//#define DEBUG_NET
171//#define DEBUG_SLIRP
172
173#define DEFAULT_RAM_SIZE 128
174
175#define MAX_VIRTIO_CONSOLES 1
176
177static const char *data_dir;
178const char *bios_name = NULL;
179enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
180DisplayType display_type = DT_DEFAULT;
181int display_remote = 0;
182const char* keyboard_layout = NULL;
183ram_addr_t ram_size;
184const char *mem_path = NULL;
185#ifdef MAP_POPULATE
186int mem_prealloc = 0; /* force preallocation of physical target memory */
187#endif
188int nb_nics;
189NICInfo nd_table[MAX_NICS];
190int autostart;
191static int rtc_utc = 1;
192static int rtc_date_offset = -1; /* -1 means no change */
193QEMUClock *rtc_clock;
194int vga_interface_type = VGA_NONE;
195static int full_screen = 0;
196#ifdef CONFIG_SDL
197static int no_frame = 0;
198#endif
199int no_quit = 0;
200CharDriverState *serial_hds[MAX_SERIAL_PORTS];
201CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
202CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
203int win2k_install_hack = 0;
204int usb_enabled = 0;
205int singlestep = 0;
206int smp_cpus = 1;
207int max_cpus = 0;
208int smp_cores = 1;
209int smp_threads = 1;
210#ifdef CONFIG_VNC
211const char *vnc_display;
212#endif
213int acpi_enabled = 1;
214int no_hpet = 0;
215int fd_bootchk = 1;
216int no_reboot = 0;
217int no_shutdown = 0;
218int cursor_hide = 1;
219int graphic_rotate = 0;
220const char *watchdog;
221QEMUOptionRom option_rom[MAX_OPTION_ROMS];
222int nb_option_roms;
223int semihosting_enabled = 0;
224int old_param = 0;
225const char *qemu_name;
226int alt_grab = 0;
227int ctrl_grab = 0;
228unsigned int nb_prom_envs = 0;
229const char *prom_envs[MAX_PROM_ENVS];
230int boot_menu;
231uint8_t *boot_splash_filedata;
232int boot_splash_filedata_size;
233uint8_t qemu_extra_params_fw[2];
234
235typedef struct FWBootEntry FWBootEntry;
236
237struct FWBootEntry {
238 QTAILQ_ENTRY(FWBootEntry) link;
239 int32_t bootindex;
240 DeviceState *dev;
241 char *suffix;
242};
243
244QTAILQ_HEAD(, FWBootEntry) fw_boot_order = QTAILQ_HEAD_INITIALIZER(fw_boot_order);
245
246int nb_numa_nodes;
247uint64_t node_mem[MAX_NODES];
248uint64_t node_cpumask[MAX_NODES];
249
250uint8_t qemu_uuid[16];
251
252static QEMUBootSetHandler *boot_set_handler;
253static void *boot_set_opaque;
254
255static NotifierList exit_notifiers =
256 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
257
258static NotifierList machine_init_done_notifiers =
259 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
260
261static int tcg_allowed = 1;
262int kvm_allowed = 0;
263int xen_allowed = 0;
264uint32_t xen_domid;
265enum xen_mode xen_mode = XEN_EMULATE;
266static int tcg_tb_size;
267
268static int default_serial = 1;
269static int default_parallel = 1;
270static int default_virtcon = 1;
271static int default_monitor = 1;
272static int default_floppy = 1;
273static int default_cdrom = 1;
274static int default_sdcard = 1;
275
276static struct {
277 const char *driver;
278 int *flag;
279} default_list[] = {
280 { .driver = "isa-serial", .flag = &default_serial },
281 { .driver = "isa-parallel", .flag = &default_parallel },
282 { .driver = "isa-fdc", .flag = &default_floppy },
283 { .driver = "ide-cd", .flag = &default_cdrom },
284 { .driver = "ide-hd", .flag = &default_cdrom },
285 { .driver = "ide-drive", .flag = &default_cdrom },
286 { .driver = "scsi-cd", .flag = &default_cdrom },
287 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
288 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
289 { .driver = "virtio-serial", .flag = &default_virtcon },
290};
291
292static void res_free(void)
293{
294 if (boot_splash_filedata != NULL) {
295 g_free(boot_splash_filedata);
296 boot_splash_filedata = NULL;
297 }
298}
299
300static int default_driver_check(QemuOpts *opts, void *opaque)
301{
302 const char *driver = qemu_opt_get(opts, "driver");
303 int i;
304
305 if (!driver)
306 return 0;
307 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
308 if (strcmp(default_list[i].driver, driver) != 0)
309 continue;
310 *(default_list[i].flag) = 0;
311 }
312 return 0;
313}
314
315/***********************************************************/
316/* QEMU state */
317
318static RunState current_run_state = RUN_STATE_PRELAUNCH;
319
320typedef struct {
321 RunState from;
322 RunState to;
323} RunStateTransition;
324
325static const RunStateTransition runstate_transitions_def[] = {
326 /* from -> to */
327 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
328
329 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
330 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
331
332 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
333 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
334
335 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
336 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
337
338 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
339 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
340
341 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
342 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
343
344 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
345 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
346 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
347
348 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
349 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
350
351 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
352
353 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
354 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
355 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
356 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
357 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
358 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
359 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
360 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
361 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
362
363 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
364
365 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
366 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
367
368 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
369 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
370
371 { RUN_STATE_MAX, RUN_STATE_MAX },
372};
373
374static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
375
376bool runstate_check(RunState state)
377{
378 return current_run_state == state;
379}
380
381void runstate_init(void)
382{
383 const RunStateTransition *p;
384
385 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
386
387 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
388 runstate_valid_transitions[p->from][p->to] = true;
389 }
390}
391
392/* This function will abort() on invalid state transitions */
393void runstate_set(RunState new_state)
394{
395 assert(new_state < RUN_STATE_MAX);
396
397 if (!runstate_valid_transitions[current_run_state][new_state]) {
398 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
399 RunState_lookup[current_run_state],
400 RunState_lookup[new_state]);
401 abort();
402 }
403
404 current_run_state = new_state;
405}
406
407int runstate_is_running(void)
408{
409 return runstate_check(RUN_STATE_RUNNING);
410}
411
412StatusInfo *qmp_query_status(Error **errp)
413{
414 StatusInfo *info = g_malloc0(sizeof(*info));
415
416 info->running = runstate_is_running();
417 info->singlestep = singlestep;
418 info->status = current_run_state;
419
420 return info;
421}
422
423/***********************************************************/
424/* real time host monotonic timer */
425
426/***********************************************************/
427/* host time/date access */
428void qemu_get_timedate(struct tm *tm, int offset)
429{
430 time_t ti;
431 struct tm *ret;
432
433 time(&ti);
434 ti += offset;
435 if (rtc_date_offset == -1) {
436 if (rtc_utc)
437 ret = gmtime(&ti);
438 else
439 ret = localtime(&ti);
440 } else {
441 ti -= rtc_date_offset;
442 ret = gmtime(&ti);
443 }
444
445 memcpy(tm, ret, sizeof(struct tm));
446}
447
448int qemu_timedate_diff(struct tm *tm)
449{
450 time_t seconds;
451
452 if (rtc_date_offset == -1)
453 if (rtc_utc)
454 seconds = mktimegm(tm);
455 else {
456 struct tm tmp = *tm;
457 tmp.tm_isdst = -1; /* use timezone to figure it out */
458 seconds = mktime(&tmp);
459 }
460 else
461 seconds = mktimegm(tm) + rtc_date_offset;
462
463 return seconds - time(NULL);
464}
465
466void rtc_change_mon_event(struct tm *tm)
467{
468 QObject *data;
469
470 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
471 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
472 qobject_decref(data);
473}
474
475static void configure_rtc_date_offset(const char *startdate, int legacy)
476{
477 time_t rtc_start_date;
478 struct tm tm;
479
480 if (!strcmp(startdate, "now") && legacy) {
481 rtc_date_offset = -1;
482 } else {
483 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
484 &tm.tm_year,
485 &tm.tm_mon,
486 &tm.tm_mday,
487 &tm.tm_hour,
488 &tm.tm_min,
489 &tm.tm_sec) == 6) {
490 /* OK */
491 } else if (sscanf(startdate, "%d-%d-%d",
492 &tm.tm_year,
493 &tm.tm_mon,
494 &tm.tm_mday) == 3) {
495 tm.tm_hour = 0;
496 tm.tm_min = 0;
497 tm.tm_sec = 0;
498 } else {
499 goto date_fail;
500 }
501 tm.tm_year -= 1900;
502 tm.tm_mon--;
503 rtc_start_date = mktimegm(&tm);
504 if (rtc_start_date == -1) {
505 date_fail:
506 fprintf(stderr, "Invalid date format. Valid formats are:\n"
507 "'2006-06-17T16:01:21' or '2006-06-17'\n");
508 exit(1);
509 }
510 rtc_date_offset = time(NULL) - rtc_start_date;
511 }
512}
513
514static void configure_rtc(QemuOpts *opts)
515{
516 const char *value;
517
518 value = qemu_opt_get(opts, "base");
519 if (value) {
520 if (!strcmp(value, "utc")) {
521 rtc_utc = 1;
522 } else if (!strcmp(value, "localtime")) {
523 rtc_utc = 0;
524 } else {
525 configure_rtc_date_offset(value, 0);
526 }
527 }
528 value = qemu_opt_get(opts, "clock");
529 if (value) {
530 if (!strcmp(value, "host")) {
531 rtc_clock = host_clock;
532 } else if (!strcmp(value, "vm")) {
533 rtc_clock = vm_clock;
534 } else {
535 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
536 exit(1);
537 }
538 }
539 value = qemu_opt_get(opts, "driftfix");
540 if (value) {
541 if (!strcmp(value, "slew")) {
542 static GlobalProperty slew_lost_ticks[] = {
543 {
544 .driver = "mc146818rtc",
545 .property = "lost_tick_policy",
546 .value = "slew",
547 },
548 { /* end of list */ }
549 };
550
551 qdev_prop_register_global_list(slew_lost_ticks);
552 } else if (!strcmp(value, "none")) {
553 /* discard is default */
554 } else {
555 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
556 exit(1);
557 }
558 }
559}
560
561/***********************************************************/
562/* Bluetooth support */
563static int nb_hcis;
564static int cur_hci;
565static struct HCIInfo *hci_table[MAX_NICS];
566
567static struct bt_vlan_s {
568 struct bt_scatternet_s net;
569 int id;
570 struct bt_vlan_s *next;
571} *first_bt_vlan;
572
573/* find or alloc a new bluetooth "VLAN" */
574static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
575{
576 struct bt_vlan_s **pvlan, *vlan;
577 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
578 if (vlan->id == id)
579 return &vlan->net;
580 }
581 vlan = g_malloc0(sizeof(struct bt_vlan_s));
582 vlan->id = id;
583 pvlan = &first_bt_vlan;
584 while (*pvlan != NULL)
585 pvlan = &(*pvlan)->next;
586 *pvlan = vlan;
587 return &vlan->net;
588}
589
590static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
591{
592}
593
594static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
595{
596 return -ENOTSUP;
597}
598
599static struct HCIInfo null_hci = {
600 .cmd_send = null_hci_send,
601 .sco_send = null_hci_send,
602 .acl_send = null_hci_send,
603 .bdaddr_set = null_hci_addr_set,
604};
605
606struct HCIInfo *qemu_next_hci(void)
607{
608 if (cur_hci == nb_hcis)
609 return &null_hci;
610
611 return hci_table[cur_hci++];
612}
613
614static struct HCIInfo *hci_init(const char *str)
615{
616 char *endp;
617 struct bt_scatternet_s *vlan = 0;
618
619 if (!strcmp(str, "null"))
620 /* null */
621 return &null_hci;
622 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
623 /* host[:hciN] */
624 return bt_host_hci(str[4] ? str + 5 : "hci0");
625 else if (!strncmp(str, "hci", 3)) {
626 /* hci[,vlan=n] */
627 if (str[3]) {
628 if (!strncmp(str + 3, ",vlan=", 6)) {
629 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
630 if (*endp)
631 vlan = 0;
632 }
633 } else
634 vlan = qemu_find_bt_vlan(0);
635 if (vlan)
636 return bt_new_hci(vlan);
637 }
638
639 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
640
641 return 0;
642}
643
644static int bt_hci_parse(const char *str)
645{
646 struct HCIInfo *hci;
647 bdaddr_t bdaddr;
648
649 if (nb_hcis >= MAX_NICS) {
650 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
651 return -1;
652 }
653
654 hci = hci_init(str);
655 if (!hci)
656 return -1;
657
658 bdaddr.b[0] = 0x52;
659 bdaddr.b[1] = 0x54;
660 bdaddr.b[2] = 0x00;
661 bdaddr.b[3] = 0x12;
662 bdaddr.b[4] = 0x34;
663 bdaddr.b[5] = 0x56 + nb_hcis;
664 hci->bdaddr_set(hci, bdaddr.b);
665
666 hci_table[nb_hcis++] = hci;
667
668 return 0;
669}
670
671static void bt_vhci_add(int vlan_id)
672{
673 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
674
675 if (!vlan->slave)
676 fprintf(stderr, "qemu: warning: adding a VHCI to "
677 "an empty scatternet %i\n", vlan_id);
678
679 bt_vhci_init(bt_new_hci(vlan));
680}
681
682static struct bt_device_s *bt_device_add(const char *opt)
683{
684 struct bt_scatternet_s *vlan;
685 int vlan_id = 0;
686 char *endp = strstr(opt, ",vlan=");
687 int len = (endp ? endp - opt : strlen(opt)) + 1;
688 char devname[10];
689
690 pstrcpy(devname, MIN(sizeof(devname), len), opt);
691
692 if (endp) {
693 vlan_id = strtol(endp + 6, &endp, 0);
694 if (*endp) {
695 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
696 return 0;
697 }
698 }
699
700 vlan = qemu_find_bt_vlan(vlan_id);
701
702 if (!vlan->slave)
703 fprintf(stderr, "qemu: warning: adding a slave device to "
704 "an empty scatternet %i\n", vlan_id);
705
706 if (!strcmp(devname, "keyboard"))
707 return bt_keyboard_init(vlan);
708
709 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
710 return 0;
711}
712
713static int bt_parse(const char *opt)
714{
715 const char *endp, *p;
716 int vlan;
717
718 if (strstart(opt, "hci", &endp)) {
719 if (!*endp || *endp == ',') {
720 if (*endp)
721 if (!strstart(endp, ",vlan=", 0))
722 opt = endp + 1;
723
724 return bt_hci_parse(opt);
725 }
726 } else if (strstart(opt, "vhci", &endp)) {
727 if (!*endp || *endp == ',') {
728 if (*endp) {
729 if (strstart(endp, ",vlan=", &p)) {
730 vlan = strtol(p, (char **) &endp, 0);
731 if (*endp) {
732 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
733 return 1;
734 }
735 } else {
736 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
737 return 1;
738 }
739 } else
740 vlan = 0;
741
742 bt_vhci_add(vlan);
743 return 0;
744 }
745 } else if (strstart(opt, "device:", &endp))
746 return !bt_device_add(endp);
747
748 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
749 return 1;
750}
751
752/***********************************************************/
753/* QEMU Block devices */
754
755#define HD_OPTS "media=disk"
756#define CDROM_OPTS "media=cdrom"
757#define FD_OPTS ""
758#define PFLASH_OPTS ""
759#define MTD_OPTS ""
760#define SD_OPTS ""
761
762static int drive_init_func(QemuOpts *opts, void *opaque)
763{
764 int *use_scsi = opaque;
765
766 return drive_init(opts, *use_scsi) == NULL;
767}
768
769static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
770{
771 if (NULL == qemu_opt_get(opts, "snapshot")) {
772 qemu_opt_set(opts, "snapshot", "on");
773 }
774 return 0;
775}
776
777static void default_drive(int enable, int snapshot, int use_scsi,
778 BlockInterfaceType type, int index,
779 const char *optstr)
780{
781 QemuOpts *opts;
782
783 if (type == IF_DEFAULT) {
784 type = use_scsi ? IF_SCSI : IF_IDE;
785 }
786
787 if (!enable || drive_get_by_index(type, index)) {
788 return;
789 }
790
791 opts = drive_add(type, index, NULL, optstr);
792 if (snapshot) {
793 drive_enable_snapshot(opts, NULL);
794 }
795 if (!drive_init(opts, use_scsi)) {
796 exit(1);
797 }
798}
799
800void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
801{
802 boot_set_handler = func;
803 boot_set_opaque = opaque;
804}
805
806int qemu_boot_set(const char *boot_devices)
807{
808 if (!boot_set_handler) {
809 return -EINVAL;
810 }
811 return boot_set_handler(boot_set_opaque, boot_devices);
812}
813
814static void validate_bootdevices(char *devices)
815{
816 /* We just do some generic consistency checks */
817 const char *p;
818 int bitmap = 0;
819
820 for (p = devices; *p != '\0'; p++) {
821 /* Allowed boot devices are:
822 * a-b: floppy disk drives
823 * c-f: IDE disk drives
824 * g-m: machine implementation dependent drives
825 * n-p: network devices
826 * It's up to each machine implementation to check if the given boot
827 * devices match the actual hardware implementation and firmware
828 * features.
829 */
830 if (*p < 'a' || *p > 'p') {
831 fprintf(stderr, "Invalid boot device '%c'\n", *p);
832 exit(1);
833 }
834 if (bitmap & (1 << (*p - 'a'))) {
835 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
836 exit(1);
837 }
838 bitmap |= 1 << (*p - 'a');
839 }
840}
841
842static void restore_boot_devices(void *opaque)
843{
844 char *standard_boot_devices = opaque;
845 static int first = 1;
846
847 /* Restore boot order and remove ourselves after the first boot */
848 if (first) {
849 first = 0;
850 return;
851 }
852
853 qemu_boot_set(standard_boot_devices);
854
855 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
856 g_free(standard_boot_devices);
857}
858
859void add_boot_device_path(int32_t bootindex, DeviceState *dev,
860 const char *suffix)
861{
862 FWBootEntry *node, *i;
863
864 if (bootindex < 0) {
865 return;
866 }
867
868 assert(dev != NULL || suffix != NULL);
869
870 node = g_malloc0(sizeof(FWBootEntry));
871 node->bootindex = bootindex;
872 node->suffix = suffix ? g_strdup(suffix) : NULL;
873 node->dev = dev;
874
875 QTAILQ_FOREACH(i, &fw_boot_order, link) {
876 if (i->bootindex == bootindex) {
877 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
878 exit(1);
879 } else if (i->bootindex < bootindex) {
880 continue;
881 }
882 QTAILQ_INSERT_BEFORE(i, node, link);
883 return;
884 }
885 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
886}
887
888/*
889 * This function returns null terminated string that consist of new line
890 * separated device paths.
891 *
892 * memory pointed by "size" is assigned total length of the array in bytes
893 *
894 */
895char *get_boot_devices_list(uint32_t *size)
896{
897 FWBootEntry *i;
898 uint32_t total = 0;
899 char *list = NULL;
900
901 QTAILQ_FOREACH(i, &fw_boot_order, link) {
902 char *devpath = NULL, *bootpath;
903 int len;
904
905 if (i->dev) {
906 devpath = qdev_get_fw_dev_path(i->dev);
907 assert(devpath);
908 }
909
910 if (i->suffix && devpath) {
911 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
912
913 bootpath = g_malloc(bootpathlen);
914 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
915 g_free(devpath);
916 } else if (devpath) {
917 bootpath = devpath;
918 } else {
919 assert(i->suffix);
920 bootpath = g_strdup(i->suffix);
921 }
922
923 if (total) {
924 list[total-1] = '\n';
925 }
926 len = strlen(bootpath) + 1;
927 list = g_realloc(list, total + len);
928 memcpy(&list[total], bootpath, len);
929 total += len;
930 g_free(bootpath);
931 }
932
933 *size = total;
934
935 return list;
936}
937
938static void numa_add(const char *optarg)
939{
940 char option[128];
941 char *endptr;
942 unsigned long long value, endvalue;
943 int nodenr;
944
945 optarg = get_opt_name(option, 128, optarg, ',') + 1;
946 if (!strcmp(option, "node")) {
947 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
948 nodenr = nb_numa_nodes;
949 } else {
950 nodenr = strtoull(option, NULL, 10);
951 }
952
953 if (get_param_value(option, 128, "mem", optarg) == 0) {
954 node_mem[nodenr] = 0;
955 } else {
956 int64_t sval;
957 sval = strtosz(option, &endptr);
958 if (sval < 0 || *endptr) {
959 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
960 exit(1);
961 }
962 node_mem[nodenr] = sval;
963 }
964 if (get_param_value(option, 128, "cpus", optarg) == 0) {
965 node_cpumask[nodenr] = 0;
966 } else {
967 value = strtoull(option, &endptr, 10);
968 if (value >= 64) {
969 value = 63;
970 fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
971 } else {
972 if (*endptr == '-') {
973 endvalue = strtoull(endptr+1, &endptr, 10);
974 if (endvalue >= 63) {
975 endvalue = 62;
976 fprintf(stderr,
977 "only 63 CPUs in NUMA mode supported.\n");
978 }
979 value = (2ULL << endvalue) - (1ULL << value);
980 } else {
981 value = 1ULL << value;
982 }
983 }
984 node_cpumask[nodenr] = value;
985 }
986 nb_numa_nodes++;
987 }
988 return;
989}
990
991static void smp_parse(const char *optarg)
992{
993 int smp, sockets = 0, threads = 0, cores = 0;
994 char *endptr;
995 char option[128];
996
997 smp = strtoul(optarg, &endptr, 10);
998 if (endptr != optarg) {
999 if (*endptr == ',') {
1000 endptr++;
1001 }
1002 }
1003 if (get_param_value(option, 128, "sockets", endptr) != 0)
1004 sockets = strtoull(option, NULL, 10);
1005 if (get_param_value(option, 128, "cores", endptr) != 0)
1006 cores = strtoull(option, NULL, 10);
1007 if (get_param_value(option, 128, "threads", endptr) != 0)
1008 threads = strtoull(option, NULL, 10);
1009 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1010 max_cpus = strtoull(option, NULL, 10);
1011
1012 /* compute missing values, prefer sockets over cores over threads */
1013 if (smp == 0 || sockets == 0) {
1014 sockets = sockets > 0 ? sockets : 1;
1015 cores = cores > 0 ? cores : 1;
1016 threads = threads > 0 ? threads : 1;
1017 if (smp == 0) {
1018 smp = cores * threads * sockets;
1019 }
1020 } else {
1021 if (cores == 0) {
1022 threads = threads > 0 ? threads : 1;
1023 cores = smp / (sockets * threads);
1024 } else {
1025 threads = smp / (cores * sockets);
1026 }
1027 }
1028 smp_cpus = smp;
1029 smp_cores = cores > 0 ? cores : 1;
1030 smp_threads = threads > 0 ? threads : 1;
1031 if (max_cpus == 0)
1032 max_cpus = smp_cpus;
1033}
1034
1035/***********************************************************/
1036/* USB devices */
1037
1038static int usb_device_add(const char *devname)
1039{
1040 const char *p;
1041 USBDevice *dev = NULL;
1042
1043 if (!usb_enabled)
1044 return -1;
1045
1046 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1047 dev = usbdevice_create(devname);
1048 if (dev)
1049 goto done;
1050
1051 /* the other ones */
1052#ifndef CONFIG_LINUX
1053 /* only the linux version is qdev-ified, usb-bsd still needs this */
1054 if (strstart(devname, "host:", &p)) {
1055 dev = usb_host_device_open(usb_bus_find(-1), p);
1056 } else
1057#endif
1058 if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1059 dev = usb_bt_init(usb_bus_find(-1),
1060 devname[2] ? hci_init(p)
1061 : bt_new_hci(qemu_find_bt_vlan(0)));
1062 } else {
1063 return -1;
1064 }
1065 if (!dev)
1066 return -1;
1067
1068done:
1069 return 0;
1070}
1071
1072static int usb_device_del(const char *devname)
1073{
1074 int bus_num, addr;
1075 const char *p;
1076
1077 if (strstart(devname, "host:", &p))
1078 return usb_host_device_close(p);
1079
1080 if (!usb_enabled)
1081 return -1;
1082
1083 p = strchr(devname, '.');
1084 if (!p)
1085 return -1;
1086 bus_num = strtoul(devname, NULL, 0);
1087 addr = strtoul(p + 1, NULL, 0);
1088
1089 return usb_device_delete_addr(bus_num, addr);
1090}
1091
1092static int usb_parse(const char *cmdline)
1093{
1094 int r;
1095 r = usb_device_add(cmdline);
1096 if (r < 0) {
1097 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1098 }
1099 return r;
1100}
1101
1102void do_usb_add(Monitor *mon, const QDict *qdict)
1103{
1104 const char *devname = qdict_get_str(qdict, "devname");
1105 if (usb_device_add(devname) < 0) {
1106 error_report("could not add USB device '%s'", devname);
1107 }
1108}
1109
1110void do_usb_del(Monitor *mon, const QDict *qdict)
1111{
1112 const char *devname = qdict_get_str(qdict, "devname");
1113 if (usb_device_del(devname) < 0) {
1114 error_report("could not delete USB device '%s'", devname);
1115 }
1116}
1117
1118/***********************************************************/
1119/* PCMCIA/Cardbus */
1120
1121static struct pcmcia_socket_entry_s {
1122 PCMCIASocket *socket;
1123 struct pcmcia_socket_entry_s *next;
1124} *pcmcia_sockets = 0;
1125
1126void pcmcia_socket_register(PCMCIASocket *socket)
1127{
1128 struct pcmcia_socket_entry_s *entry;
1129
1130 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1131 entry->socket = socket;
1132 entry->next = pcmcia_sockets;
1133 pcmcia_sockets = entry;
1134}
1135
1136void pcmcia_socket_unregister(PCMCIASocket *socket)
1137{
1138 struct pcmcia_socket_entry_s *entry, **ptr;
1139
1140 ptr = &pcmcia_sockets;
1141 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1142 if (entry->socket == socket) {
1143 *ptr = entry->next;
1144 g_free(entry);
1145 }
1146}
1147
1148void pcmcia_info(Monitor *mon)
1149{
1150 struct pcmcia_socket_entry_s *iter;
1151
1152 if (!pcmcia_sockets)
1153 monitor_printf(mon, "No PCMCIA sockets\n");
1154
1155 for (iter = pcmcia_sockets; iter; iter = iter->next)
1156 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1157 iter->socket->attached ? iter->socket->card_string :
1158 "Empty");
1159}
1160
1161/***********************************************************/
1162/* machine registration */
1163
1164static QEMUMachine *first_machine = NULL;
1165QEMUMachine *current_machine = NULL;
1166
1167int qemu_register_machine(QEMUMachine *m)
1168{
1169 QEMUMachine **pm;
1170 pm = &first_machine;
1171 while (*pm != NULL)
1172 pm = &(*pm)->next;
1173 m->next = NULL;
1174 *pm = m;
1175 return 0;
1176}
1177
1178static QEMUMachine *find_machine(const char *name)
1179{
1180 QEMUMachine *m;
1181
1182 for(m = first_machine; m != NULL; m = m->next) {
1183 if (!strcmp(m->name, name))
1184 return m;
1185 if (m->alias && !strcmp(m->alias, name))
1186 return m;
1187 }
1188 return NULL;
1189}
1190
1191QEMUMachine *find_default_machine(void)
1192{
1193 QEMUMachine *m;
1194
1195 for(m = first_machine; m != NULL; m = m->next) {
1196 if (m->is_default) {
1197 return m;
1198 }
1199 }
1200 return NULL;
1201}
1202
1203/***********************************************************/
1204/* main execution loop */
1205
1206static void gui_update(void *opaque)
1207{
1208 uint64_t interval = GUI_REFRESH_INTERVAL;
1209 DisplayState *ds = opaque;
1210 DisplayChangeListener *dcl = ds->listeners;
1211
1212 dpy_refresh(ds);
1213
1214 while (dcl != NULL) {
1215 if (dcl->gui_timer_interval &&
1216 dcl->gui_timer_interval < interval)
1217 interval = dcl->gui_timer_interval;
1218 dcl = dcl->next;
1219 }
1220 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1221}
1222
1223struct vm_change_state_entry {
1224 VMChangeStateHandler *cb;
1225 void *opaque;
1226 QLIST_ENTRY (vm_change_state_entry) entries;
1227};
1228
1229static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1230
1231VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1232 void *opaque)
1233{
1234 VMChangeStateEntry *e;
1235
1236 e = g_malloc0(sizeof (*e));
1237
1238 e->cb = cb;
1239 e->opaque = opaque;
1240 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1241 return e;
1242}
1243
1244void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1245{
1246 QLIST_REMOVE (e, entries);
1247 g_free (e);
1248}
1249
1250void vm_state_notify(int running, RunState state)
1251{
1252 VMChangeStateEntry *e;
1253
1254 trace_vm_state_notify(running, state);
1255
1256 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1257 e->cb(e->opaque, running, state);
1258 }
1259}
1260
1261void vm_start(void)
1262{
1263 if (!runstate_is_running()) {
1264 cpu_enable_ticks();
1265 runstate_set(RUN_STATE_RUNNING);
1266 vm_state_notify(1, RUN_STATE_RUNNING);
1267 resume_all_vcpus();
1268 monitor_protocol_event(QEVENT_RESUME, NULL);
1269 }
1270}
1271
1272/* reset/shutdown handler */
1273
1274typedef struct QEMUResetEntry {
1275 QTAILQ_ENTRY(QEMUResetEntry) entry;
1276 QEMUResetHandler *func;
1277 void *opaque;
1278} QEMUResetEntry;
1279
1280static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1281 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1282static int reset_requested;
1283static int shutdown_requested, shutdown_signal = -1;
1284static pid_t shutdown_pid;
1285static int powerdown_requested;
1286static int debug_requested;
1287static int suspend_requested;
1288static bool is_suspended;
1289static NotifierList suspend_notifiers =
1290 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1291static NotifierList wakeup_notifiers =
1292 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1293static uint32_t wakeup_reason_mask = ~0;
1294static RunState vmstop_requested = RUN_STATE_MAX;
1295
1296int qemu_shutdown_requested_get(void)
1297{
1298 return shutdown_requested;
1299}
1300
1301int qemu_reset_requested_get(void)
1302{
1303 return reset_requested;
1304}
1305
1306int qemu_shutdown_requested(void)
1307{
1308 int r = shutdown_requested;
1309 shutdown_requested = 0;
1310 return r;
1311}
1312
1313void qemu_kill_report(void)
1314{
1315 if (shutdown_signal != -1) {
1316 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1317 if (shutdown_pid == 0) {
1318 /* This happens for eg ^C at the terminal, so it's worth
1319 * avoiding printing an odd message in that case.
1320 */
1321 fputc('\n', stderr);
1322 } else {
1323 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1324 }
1325 shutdown_signal = -1;
1326 }
1327}
1328
1329int qemu_reset_requested(void)
1330{
1331 int r = reset_requested;
1332 reset_requested = 0;
1333 return r;
1334}
1335
1336static int qemu_suspend_requested(void)
1337{
1338 int r = suspend_requested;
1339 suspend_requested = 0;
1340 return r;
1341}
1342
1343int qemu_powerdown_requested(void)
1344{
1345 int r = powerdown_requested;
1346 powerdown_requested = 0;
1347 return r;
1348}
1349
1350static int qemu_debug_requested(void)
1351{
1352 int r = debug_requested;
1353 debug_requested = 0;
1354 return r;
1355}
1356
1357/* We use RUN_STATE_MAX but any invalid value will do */
1358static bool qemu_vmstop_requested(RunState *r)
1359{
1360 if (vmstop_requested < RUN_STATE_MAX) {
1361 *r = vmstop_requested;
1362 vmstop_requested = RUN_STATE_MAX;
1363 return true;
1364 }
1365
1366 return false;
1367}
1368
1369void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1370{
1371 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1372
1373 re->func = func;
1374 re->opaque = opaque;
1375 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1376}
1377
1378void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1379{
1380 QEMUResetEntry *re;
1381
1382 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1383 if (re->func == func && re->opaque == opaque) {
1384 QTAILQ_REMOVE(&reset_handlers, re, entry);
1385 g_free(re);
1386 return;
1387 }
1388 }
1389}
1390
1391void qemu_system_reset(bool report)
1392{
1393 QEMUResetEntry *re, *nre;
1394
1395 /* reset all devices */
1396 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1397 re->func(re->opaque);
1398 }
1399 if (report) {
1400 monitor_protocol_event(QEVENT_RESET, NULL);
1401 }
1402 cpu_synchronize_all_post_reset();
1403}
1404
1405void qemu_system_reset_request(void)
1406{
1407 if (no_reboot) {
1408 shutdown_requested = 1;
1409 } else {
1410 reset_requested = 1;
1411 }
1412 cpu_stop_current();
1413 qemu_notify_event();
1414}
1415
1416static void qemu_system_suspend(void)
1417{
1418 pause_all_vcpus();
1419 notifier_list_notify(&suspend_notifiers, NULL);
1420 monitor_protocol_event(QEVENT_SUSPEND, NULL);
1421 is_suspended = true;
1422}
1423
1424void qemu_system_suspend_request(void)
1425{
1426 if (is_suspended) {
1427 return;
1428 }
1429 suspend_requested = 1;
1430 cpu_stop_current();
1431 qemu_notify_event();
1432}
1433
1434void qemu_register_suspend_notifier(Notifier *notifier)
1435{
1436 notifier_list_add(&suspend_notifiers, notifier);
1437}
1438
1439void qemu_system_wakeup_request(WakeupReason reason)
1440{
1441 if (!is_suspended) {
1442 return;
1443 }
1444 if (!(wakeup_reason_mask & (1 << reason))) {
1445 return;
1446 }
1447 monitor_protocol_event(QEVENT_WAKEUP, NULL);
1448 notifier_list_notify(&wakeup_notifiers, &reason);
1449 reset_requested = 1;
1450 qemu_notify_event();
1451 is_suspended = false;
1452}
1453
1454void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1455{
1456 if (enabled) {
1457 wakeup_reason_mask |= (1 << reason);
1458 } else {
1459 wakeup_reason_mask &= ~(1 << reason);
1460 }
1461}
1462
1463void qemu_register_wakeup_notifier(Notifier *notifier)
1464{
1465 notifier_list_add(&wakeup_notifiers, notifier);
1466}
1467
1468void qemu_system_killed(int signal, pid_t pid)
1469{
1470 shutdown_signal = signal;
1471 shutdown_pid = pid;
1472 no_shutdown = 0;
1473 qemu_system_shutdown_request();
1474}
1475
1476void qemu_system_shutdown_request(void)
1477{
1478 shutdown_requested = 1;
1479 qemu_notify_event();
1480}
1481
1482void qemu_system_powerdown_request(void)
1483{
1484 powerdown_requested = 1;
1485 qemu_notify_event();
1486}
1487
1488void qemu_system_debug_request(void)
1489{
1490 debug_requested = 1;
1491 qemu_notify_event();
1492}
1493
1494void qemu_system_vmstop_request(RunState state)
1495{
1496 vmstop_requested = state;
1497 qemu_notify_event();
1498}
1499
1500qemu_irq qemu_system_powerdown;
1501
1502static bool main_loop_should_exit(void)
1503{
1504 RunState r;
1505 if (qemu_debug_requested()) {
1506 vm_stop(RUN_STATE_DEBUG);
1507 }
1508 if (qemu_suspend_requested()) {
1509 qemu_system_suspend();
1510 }
1511 if (qemu_shutdown_requested()) {
1512 qemu_kill_report();
1513 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1514 if (no_shutdown) {
1515 vm_stop(RUN_STATE_SHUTDOWN);
1516 } else {
1517 return true;
1518 }
1519 }
1520 if (qemu_reset_requested()) {
1521 pause_all_vcpus();
1522 cpu_synchronize_all_states();
1523 qemu_system_reset(VMRESET_REPORT);
1524 resume_all_vcpus();
1525 if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
1526 runstate_check(RUN_STATE_SHUTDOWN)) {
1527 runstate_set(RUN_STATE_PAUSED);
1528 }
1529 }
1530 if (qemu_powerdown_requested()) {
1531 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1532 qemu_irq_raise(qemu_system_powerdown);
1533 }
1534 if (qemu_vmstop_requested(&r)) {
1535 vm_stop(r);
1536 }
1537 return false;
1538}
1539
1540static void main_loop(void)
1541{
1542 bool nonblocking;
1543 int last_io = 0;
1544#ifdef CONFIG_PROFILER
1545 int64_t ti;
1546#endif
1547 do {
1548 nonblocking = !kvm_enabled() && last_io > 0;
1549#ifdef CONFIG_PROFILER
1550 ti = profile_getclock();
1551#endif
1552 last_io = main_loop_wait(nonblocking);
1553#ifdef CONFIG_PROFILER
1554 dev_time += profile_getclock() - ti;
1555#endif
1556 } while (!main_loop_should_exit());
1557}
1558
1559static void version(void)
1560{
1561 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1562}
1563
1564static void help(int exitcode)
1565{
1566 version();
1567 printf("usage: %s [options] [disk_image]\n\n"
1568 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1569 error_get_progname());
1570
1571#define QEMU_OPTIONS_GENERATE_HELP
1572#include "qemu-options-wrapper.h"
1573
1574 printf("\nDuring emulation, the following keys are useful:\n"
1575 "ctrl-alt-f toggle full screen\n"
1576 "ctrl-alt-n switch to virtual console 'n'\n"
1577 "ctrl-alt toggle mouse and keyboard grab\n"
1578 "\n"
1579 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1580
1581 exit(exitcode);
1582}
1583
1584#define HAS_ARG 0x0001
1585
1586typedef struct QEMUOption {
1587 const char *name;
1588 int flags;
1589 int index;
1590 uint32_t arch_mask;
1591} QEMUOption;
1592
1593static const QEMUOption qemu_options[] = {
1594 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1595#define QEMU_OPTIONS_GENERATE_OPTIONS
1596#include "qemu-options-wrapper.h"
1597 { NULL },
1598};
1599
1600static bool vga_available(void)
1601{
1602 return qdev_exists("VGA") || qdev_exists("isa-vga");
1603}
1604
1605static bool cirrus_vga_available(void)
1606{
1607 return qdev_exists("cirrus-vga") || qdev_exists("isa-cirrus-vga");
1608}
1609
1610static bool vmware_vga_available(void)
1611{
1612 return qdev_exists("vmware-svga");
1613}
1614
1615static void select_vgahw (const char *p)
1616{
1617 const char *opts;
1618
1619 vga_interface_type = VGA_NONE;
1620 if (strstart(p, "std", &opts)) {
1621 if (vga_available()) {
1622 vga_interface_type = VGA_STD;
1623 } else {
1624 fprintf(stderr, "Error: standard VGA not available\n");
1625 exit(0);
1626 }
1627 } else if (strstart(p, "cirrus", &opts)) {
1628 if (cirrus_vga_available()) {
1629 vga_interface_type = VGA_CIRRUS;
1630 } else {
1631 fprintf(stderr, "Error: Cirrus VGA not available\n");
1632 exit(0);
1633 }
1634 } else if (strstart(p, "vmware", &opts)) {
1635 if (vmware_vga_available()) {
1636 vga_interface_type = VGA_VMWARE;
1637 } else {
1638 fprintf(stderr, "Error: VMWare SVGA not available\n");
1639 exit(0);
1640 }
1641 } else if (strstart(p, "xenfb", &opts)) {
1642 vga_interface_type = VGA_XENFB;
1643 } else if (strstart(p, "qxl", &opts)) {
1644 vga_interface_type = VGA_QXL;
1645 } else if (!strstart(p, "none", &opts)) {
1646 invalid_vga:
1647 fprintf(stderr, "Unknown vga type: %s\n", p);
1648 exit(1);
1649 }
1650 while (*opts) {
1651 const char *nextopt;
1652
1653 if (strstart(opts, ",retrace=", &nextopt)) {
1654 opts = nextopt;
1655 if (strstart(opts, "dumb", &nextopt))
1656 vga_retrace_method = VGA_RETRACE_DUMB;
1657 else if (strstart(opts, "precise", &nextopt))
1658 vga_retrace_method = VGA_RETRACE_PRECISE;
1659 else goto invalid_vga;
1660 } else goto invalid_vga;
1661 opts = nextopt;
1662 }
1663}
1664
1665static DisplayType select_display(const char *p)
1666{
1667 const char *opts;
1668 DisplayType display = DT_DEFAULT;
1669
1670 if (strstart(p, "sdl", &opts)) {
1671#ifdef CONFIG_SDL
1672 display = DT_SDL;
1673 while (*opts) {
1674 const char *nextopt;
1675
1676 if (strstart(opts, ",frame=", &nextopt)) {
1677 opts = nextopt;
1678 if (strstart(opts, "on", &nextopt)) {
1679 no_frame = 0;
1680 } else if (strstart(opts, "off", &nextopt)) {
1681 no_frame = 1;
1682 } else {
1683 goto invalid_sdl_args;
1684 }
1685 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1686 opts = nextopt;
1687 if (strstart(opts, "on", &nextopt)) {
1688 alt_grab = 1;
1689 } else if (strstart(opts, "off", &nextopt)) {
1690 alt_grab = 0;
1691 } else {
1692 goto invalid_sdl_args;
1693 }
1694 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1695 opts = nextopt;
1696 if (strstart(opts, "on", &nextopt)) {
1697 ctrl_grab = 1;
1698 } else if (strstart(opts, "off", &nextopt)) {
1699 ctrl_grab = 0;
1700 } else {
1701 goto invalid_sdl_args;
1702 }
1703 } else if (strstart(opts, ",window_close=", &nextopt)) {
1704 opts = nextopt;
1705 if (strstart(opts, "on", &nextopt)) {
1706 no_quit = 0;
1707 } else if (strstart(opts, "off", &nextopt)) {
1708 no_quit = 1;
1709 } else {
1710 goto invalid_sdl_args;
1711 }
1712 } else {
1713 invalid_sdl_args:
1714 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1715 exit(1);
1716 }
1717 opts = nextopt;
1718 }
1719#else
1720 fprintf(stderr, "SDL support is disabled\n");
1721 exit(1);
1722#endif
1723 } else if (strstart(p, "vnc", &opts)) {
1724#ifdef CONFIG_VNC
1725 display_remote++;
1726
1727 if (*opts) {
1728 const char *nextopt;
1729
1730 if (strstart(opts, "=", &nextopt)) {
1731 vnc_display = nextopt;
1732 }
1733 }
1734 if (!vnc_display) {
1735 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1736 exit(1);
1737 }
1738#else
1739 fprintf(stderr, "VNC support is disabled\n");
1740 exit(1);
1741#endif
1742 } else if (strstart(p, "curses", &opts)) {
1743#ifdef CONFIG_CURSES
1744 display = DT_CURSES;
1745#else
1746 fprintf(stderr, "Curses support is disabled\n");
1747 exit(1);
1748#endif
1749 } else if (strstart(p, "none", &opts)) {
1750 display = DT_NONE;
1751 } else {
1752 fprintf(stderr, "Unknown display type: %s\n", p);
1753 exit(1);
1754 }
1755
1756 return display;
1757}
1758
1759static int balloon_parse(const char *arg)
1760{
1761 QemuOpts *opts;
1762
1763 if (strcmp(arg, "none") == 0) {
1764 return 0;
1765 }
1766
1767 if (!strncmp(arg, "virtio", 6)) {
1768 if (arg[6] == ',') {
1769 /* have params -> parse them */
1770 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1771 if (!opts)
1772 return -1;
1773 } else {
1774 /* create empty opts */
1775 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
1776 }
1777 qemu_opt_set(opts, "driver", "virtio-balloon");
1778 return 0;
1779 }
1780
1781 return -1;
1782}
1783
1784char *qemu_find_file(int type, const char *name)
1785{
1786 int len;
1787 const char *subdir;
1788 char *buf;
1789
1790 /* If name contains path separators then try it as a straight path. */
1791 if ((strchr(name, '/') || strchr(name, '\\'))
1792 && access(name, R_OK) == 0) {
1793 return g_strdup(name);
1794 }
1795 switch (type) {
1796 case QEMU_FILE_TYPE_BIOS:
1797 subdir = "";
1798 break;
1799 case QEMU_FILE_TYPE_KEYMAP:
1800 subdir = "keymaps/";
1801 break;
1802 default:
1803 abort();
1804 }
1805 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1806 buf = g_malloc0(len);
1807 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1808 if (access(buf, R_OK)) {
1809 g_free(buf);
1810 return NULL;
1811 }
1812 return buf;
1813}
1814
1815static int device_help_func(QemuOpts *opts, void *opaque)
1816{
1817 return qdev_device_help(opts);
1818}
1819
1820static int device_init_func(QemuOpts *opts, void *opaque)
1821{
1822 DeviceState *dev;
1823
1824 dev = qdev_device_add(opts);
1825 if (!dev)
1826 return -1;
1827 return 0;
1828}
1829
1830static int chardev_init_func(QemuOpts *opts, void *opaque)
1831{
1832 CharDriverState *chr;
1833
1834 chr = qemu_chr_new_from_opts(opts, NULL);
1835 if (!chr)
1836 return -1;
1837 return 0;
1838}
1839
1840#ifdef CONFIG_VIRTFS
1841static int fsdev_init_func(QemuOpts *opts, void *opaque)
1842{
1843 int ret;
1844 ret = qemu_fsdev_add(opts);
1845
1846 return ret;
1847}
1848#endif
1849
1850static int mon_init_func(QemuOpts *opts, void *opaque)
1851{
1852 CharDriverState *chr;
1853 const char *chardev;
1854 const char *mode;
1855 int flags;
1856
1857 mode = qemu_opt_get(opts, "mode");
1858 if (mode == NULL) {
1859 mode = "readline";
1860 }
1861 if (strcmp(mode, "readline") == 0) {
1862 flags = MONITOR_USE_READLINE;
1863 } else if (strcmp(mode, "control") == 0) {
1864 flags = MONITOR_USE_CONTROL;
1865 } else {
1866 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1867 exit(1);
1868 }
1869
1870 if (qemu_opt_get_bool(opts, "pretty", 0))
1871 flags |= MONITOR_USE_PRETTY;
1872
1873 if (qemu_opt_get_bool(opts, "default", 0))
1874 flags |= MONITOR_IS_DEFAULT;
1875
1876 chardev = qemu_opt_get(opts, "chardev");
1877 chr = qemu_chr_find(chardev);
1878 if (chr == NULL) {
1879 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1880 exit(1);
1881 }
1882
1883 monitor_init(chr, flags);
1884 return 0;
1885}
1886
1887static void monitor_parse(const char *optarg, const char *mode)
1888{
1889 static int monitor_device_index = 0;
1890 QemuOpts *opts;
1891 const char *p;
1892 char label[32];
1893 int def = 0;
1894
1895 if (strstart(optarg, "chardev:", &p)) {
1896 snprintf(label, sizeof(label), "%s", p);
1897 } else {
1898 snprintf(label, sizeof(label), "compat_monitor%d",
1899 monitor_device_index);
1900 if (monitor_device_index == 0) {
1901 def = 1;
1902 }
1903 opts = qemu_chr_parse_compat(label, optarg);
1904 if (!opts) {
1905 fprintf(stderr, "parse error: %s\n", optarg);
1906 exit(1);
1907 }
1908 }
1909
1910 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1);
1911 if (!opts) {
1912 fprintf(stderr, "duplicate chardev: %s\n", label);
1913 exit(1);
1914 }
1915 qemu_opt_set(opts, "mode", mode);
1916 qemu_opt_set(opts, "chardev", label);
1917 if (def)
1918 qemu_opt_set(opts, "default", "on");
1919 monitor_device_index++;
1920}
1921
1922struct device_config {
1923 enum {
1924 DEV_USB, /* -usbdevice */
1925 DEV_BT, /* -bt */
1926 DEV_SERIAL, /* -serial */
1927 DEV_PARALLEL, /* -parallel */
1928 DEV_VIRTCON, /* -virtioconsole */
1929 DEV_DEBUGCON, /* -debugcon */
1930 DEV_GDB, /* -gdb, -s */
1931 } type;
1932 const char *cmdline;
1933 Location loc;
1934 QTAILQ_ENTRY(device_config) next;
1935};
1936QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
1937
1938static void add_device_config(int type, const char *cmdline)
1939{
1940 struct device_config *conf;
1941
1942 conf = g_malloc0(sizeof(*conf));
1943 conf->type = type;
1944 conf->cmdline = cmdline;
1945 loc_save(&conf->loc);
1946 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
1947}
1948
1949static int foreach_device_config(int type, int (*func)(const char *cmdline))
1950{
1951 struct device_config *conf;
1952 int rc;
1953
1954 QTAILQ_FOREACH(conf, &device_configs, next) {
1955 if (conf->type != type)
1956 continue;
1957 loc_push_restore(&conf->loc);
1958 rc = func(conf->cmdline);
1959 loc_pop(&conf->loc);
1960 if (0 != rc)
1961 return rc;
1962 }
1963 return 0;
1964}
1965
1966static int serial_parse(const char *devname)
1967{
1968 static int index = 0;
1969 char label[32];
1970
1971 if (strcmp(devname, "none") == 0)
1972 return 0;
1973 if (index == MAX_SERIAL_PORTS) {
1974 fprintf(stderr, "qemu: too many serial ports\n");
1975 exit(1);
1976 }
1977 snprintf(label, sizeof(label), "serial%d", index);
1978 serial_hds[index] = qemu_chr_new(label, devname, NULL);
1979 if (!serial_hds[index]) {
1980 fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
1981 devname, strerror(errno));
1982 return -1;
1983 }
1984 index++;
1985 return 0;
1986}
1987
1988static int parallel_parse(const char *devname)
1989{
1990 static int index = 0;
1991 char label[32];
1992
1993 if (strcmp(devname, "none") == 0)
1994 return 0;
1995 if (index == MAX_PARALLEL_PORTS) {
1996 fprintf(stderr, "qemu: too many parallel ports\n");
1997 exit(1);
1998 }
1999 snprintf(label, sizeof(label), "parallel%d", index);
2000 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2001 if (!parallel_hds[index]) {
2002 fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
2003 devname, strerror(errno));
2004 return -1;
2005 }
2006 index++;
2007 return 0;
2008}
2009
2010static int virtcon_parse(const char *devname)
2011{
2012 QemuOptsList *device = qemu_find_opts("device");
2013 static int index = 0;
2014 char label[32];
2015 QemuOpts *bus_opts, *dev_opts;
2016
2017 if (strcmp(devname, "none") == 0)
2018 return 0;
2019 if (index == MAX_VIRTIO_CONSOLES) {
2020 fprintf(stderr, "qemu: too many virtio consoles\n");
2021 exit(1);
2022 }
2023
2024 bus_opts = qemu_opts_create(device, NULL, 0);
2025 if (arch_type == QEMU_ARCH_S390X) {
2026 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2027 } else {
2028 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2029 }
2030
2031 dev_opts = qemu_opts_create(device, NULL, 0);
2032 qemu_opt_set(dev_opts, "driver", "virtconsole");
2033
2034 snprintf(label, sizeof(label), "virtcon%d", index);
2035 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2036 if (!virtcon_hds[index]) {
2037 fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
2038 devname, strerror(errno));
2039 return -1;
2040 }
2041 qemu_opt_set(dev_opts, "chardev", label);
2042
2043 index++;
2044 return 0;
2045}
2046
2047static int debugcon_parse(const char *devname)
2048{
2049 QemuOpts *opts;
2050
2051 if (!qemu_chr_new("debugcon", devname, NULL)) {
2052 exit(1);
2053 }
2054 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1);
2055 if (!opts) {
2056 fprintf(stderr, "qemu: already have a debugcon device\n");
2057 exit(1);
2058 }
2059 qemu_opt_set(opts, "driver", "isa-debugcon");
2060 qemu_opt_set(opts, "chardev", "debugcon");
2061 return 0;
2062}
2063
2064static QEMUMachine *machine_parse(const char *name)
2065{
2066 QEMUMachine *m, *machine = NULL;
2067
2068 if (name) {
2069 machine = find_machine(name);
2070 }
2071 if (machine) {
2072 return machine;
2073 }
2074 printf("Supported machines are:\n");
2075 for (m = first_machine; m != NULL; m = m->next) {
2076 if (m->alias) {
2077 printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2078 }
2079 printf("%-20s %s%s\n", m->name, m->desc,
2080 m->is_default ? " (default)" : "");
2081 }
2082 exit(!name || *name != '?');
2083}
2084
2085static int tcg_init(void)
2086{
2087 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2088 return 0;
2089}
2090
2091static struct {
2092 const char *opt_name;
2093 const char *name;
2094 int (*available)(void);
2095 int (*init)(void);
2096 int *allowed;
2097} accel_list[] = {
2098 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2099 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2100 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2101};
2102
2103static int configure_accelerator(void)
2104{
2105 const char *p = NULL;
2106 char buf[10];
2107 int i, ret;
2108 bool accel_initialised = 0;
2109 bool init_failed = 0;
2110
2111 QemuOptsList *list = qemu_find_opts("machine");
2112 if (!QTAILQ_EMPTY(&list->head)) {
2113 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2114 }
2115
2116 if (p == NULL) {
2117 /* Use the default "accelerator", tcg */
2118 p = "tcg";
2119 }
2120
2121 while (!accel_initialised && *p != '\0') {
2122 if (*p == ':') {
2123 p++;
2124 }
2125 p = get_opt_name(buf, sizeof (buf), p, ':');
2126 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2127 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2128 *(accel_list[i].allowed) = 1;
2129 ret = accel_list[i].init();
2130 if (ret < 0) {
2131 init_failed = 1;
2132 if (!accel_list[i].available()) {
2133 printf("%s not supported for this target\n",
2134 accel_list[i].name);
2135 } else {
2136 fprintf(stderr, "failed to initialize %s: %s\n",
2137 accel_list[i].name,
2138 strerror(-ret));
2139 }
2140 *(accel_list[i].allowed) = 0;
2141 } else {
2142 accel_initialised = 1;
2143 }
2144 break;
2145 }
2146 }
2147 if (i == ARRAY_SIZE(accel_list)) {
2148 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2149 }
2150 }
2151
2152 if (!accel_initialised) {
2153 fprintf(stderr, "No accelerator found!\n");
2154 exit(1);
2155 }
2156
2157 if (init_failed) {
2158 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2159 }
2160
2161 return !accel_initialised;
2162}
2163
2164void qemu_add_exit_notifier(Notifier *notify)
2165{
2166 notifier_list_add(&exit_notifiers, notify);
2167}
2168
2169void qemu_remove_exit_notifier(Notifier *notify)
2170{
2171 notifier_remove(notify);
2172}
2173
2174static void qemu_run_exit_notifiers(void)
2175{
2176 notifier_list_notify(&exit_notifiers, NULL);
2177}
2178
2179void qemu_add_machine_init_done_notifier(Notifier *notify)
2180{
2181 notifier_list_add(&machine_init_done_notifiers, notify);
2182}
2183
2184static void qemu_run_machine_init_done_notifiers(void)
2185{
2186 notifier_list_notify(&machine_init_done_notifiers, NULL);
2187}
2188
2189static const QEMUOption *lookup_opt(int argc, char **argv,
2190 const char **poptarg, int *poptind)
2191{
2192 const QEMUOption *popt;
2193 int optind = *poptind;
2194 char *r = argv[optind];
2195 const char *optarg;
2196
2197 loc_set_cmdline(argv, optind, 1);
2198 optind++;
2199 /* Treat --foo the same as -foo. */
2200 if (r[1] == '-')
2201 r++;
2202 popt = qemu_options;
2203 for(;;) {
2204 if (!popt->name) {
2205 error_report("invalid option");
2206 exit(1);
2207 }
2208 if (!strcmp(popt->name, r + 1))
2209 break;
2210 popt++;
2211 }
2212 if (popt->flags & HAS_ARG) {
2213 if (optind >= argc) {
2214 error_report("requires an argument");
2215 exit(1);
2216 }
2217 optarg = argv[optind++];
2218 loc_set_cmdline(argv, optind - 2, 2);
2219 } else {
2220 optarg = NULL;
2221 }
2222
2223 *poptarg = optarg;
2224 *poptind = optind;
2225
2226 return popt;
2227}
2228
2229static gpointer malloc_and_trace(gsize n_bytes)
2230{
2231 void *ptr = malloc(n_bytes);
2232 trace_g_malloc(n_bytes, ptr);
2233 return ptr;
2234}
2235
2236static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2237{
2238 void *ptr = realloc(mem, n_bytes);
2239 trace_g_realloc(mem, n_bytes, ptr);
2240 return ptr;
2241}
2242
2243static void free_and_trace(gpointer mem)
2244{
2245 trace_g_free(mem);
2246 free(mem);
2247}
2248
2249int qemu_init_main_loop(void)
2250{
2251 return main_loop_init();
2252}
2253
2254int main(int argc, char **argv, char **envp)
2255{
2256 int i;
2257 int snapshot, linux_boot;
2258 const char *icount_option = NULL;
2259 const char *initrd_filename;
2260 const char *kernel_filename, *kernel_cmdline;
2261 char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2262 DisplayState *ds;
2263 DisplayChangeListener *dcl;
2264 int cyls, heads, secs, translation;
2265 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2266 QemuOptsList *olist;
2267 int optind;
2268 const char *optarg;
2269 const char *loadvm = NULL;
2270 QEMUMachine *machine;
2271 const char *cpu_model;
2272 const char *vga_model = NULL;
2273 const char *pid_file = NULL;
2274 const char *incoming = NULL;
2275#ifdef CONFIG_VNC
2276 int show_vnc_port = 0;
2277#endif
2278 int defconfig = 1;
2279 const char *log_mask = NULL;
2280 const char *log_file = NULL;
2281 GMemVTable mem_trace = {
2282 .malloc = malloc_and_trace,
2283 .realloc = realloc_and_trace,
2284 .free = free_and_trace,
2285 };
2286 const char *trace_events = NULL;
2287 const char *trace_file = NULL;
2288
2289 atexit(qemu_run_exit_notifiers);
2290 error_set_progname(argv[0]);
2291
2292 g_mem_set_vtable(&mem_trace);
2293 if (!g_thread_supported()) {
2294#if !GLIB_CHECK_VERSION(2, 31, 0)
2295 g_thread_init(NULL);
2296#else
2297 fprintf(stderr, "glib threading failed to initialize.\n");
2298 exit(1);
2299#endif
2300 }
2301
2302 runstate_init();
2303
2304 init_clocks();
2305 rtc_clock = host_clock;
2306
2307 qemu_cache_utils_init(envp);
2308
2309 QLIST_INIT (&vm_change_state_head);
2310 os_setup_early_signal_handling();
2311
2312 module_call_init(MODULE_INIT_MACHINE);
2313 machine = find_default_machine();
2314 cpu_model = NULL;
2315 ram_size = 0;
2316 snapshot = 0;
2317 cyls = heads = secs = 0;
2318 translation = BIOS_ATA_TRANSLATION_AUTO;
2319
2320 for (i = 0; i < MAX_NODES; i++) {
2321 node_mem[i] = 0;
2322 node_cpumask[i] = 0;
2323 }
2324
2325 nb_numa_nodes = 0;
2326 nb_nics = 0;
2327
2328 autostart= 1;
2329
2330 /* first pass of option parsing */
2331 optind = 1;
2332 while (optind < argc) {
2333 if (argv[optind][0] != '-') {
2334 /* disk image */
2335 optind++;
2336 continue;
2337 } else {
2338 const QEMUOption *popt;
2339
2340 popt = lookup_opt(argc, argv, &optarg, &optind);
2341 switch (popt->index) {
2342 case QEMU_OPTION_nodefconfig:
2343 defconfig=0;
2344 break;
2345 }
2346 }
2347 }
2348
2349 if (defconfig) {
2350 int ret;
2351
2352 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2353 if (ret < 0 && ret != -ENOENT) {
2354 exit(1);
2355 }
2356
2357 ret = qemu_read_config_file(arch_config_name);
2358 if (ret < 0 && ret != -ENOENT) {
2359 exit(1);
2360 }
2361 }
2362 cpudef_init();
2363
2364 /* second pass of option parsing */
2365 optind = 1;
2366 for(;;) {
2367 if (optind >= argc)
2368 break;
2369 if (argv[optind][0] != '-') {
2370 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2371 } else {
2372 const QEMUOption *popt;
2373
2374 popt = lookup_opt(argc, argv, &optarg, &optind);
2375 if (!(popt->arch_mask & arch_type)) {
2376 printf("Option %s not supported for this target\n", popt->name);
2377 exit(1);
2378 }
2379 switch(popt->index) {
2380 case QEMU_OPTION_M:
2381 machine = machine_parse(optarg);
2382 break;
2383 case QEMU_OPTION_cpu:
2384 /* hw initialization will check this */
2385 if (*optarg == '?') {
2386 list_cpus(stdout, &fprintf, optarg);
2387 exit(0);
2388 } else {
2389 cpu_model = optarg;
2390 }
2391 break;
2392 case QEMU_OPTION_hda:
2393 {
2394 char buf[256];
2395 if (cyls == 0)
2396 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2397 else
2398 snprintf(buf, sizeof(buf),
2399 "%s,cyls=%d,heads=%d,secs=%d%s",
2400 HD_OPTS , cyls, heads, secs,
2401 translation == BIOS_ATA_TRANSLATION_LBA ?
2402 ",trans=lba" :
2403 translation == BIOS_ATA_TRANSLATION_NONE ?
2404 ",trans=none" : "");
2405 drive_add(IF_DEFAULT, 0, optarg, buf);
2406 break;
2407 }
2408 case QEMU_OPTION_hdb:
2409 case QEMU_OPTION_hdc:
2410 case QEMU_OPTION_hdd:
2411 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2412 HD_OPTS);
2413 break;
2414 case QEMU_OPTION_drive:
2415 if (drive_def(optarg) == NULL) {
2416 exit(1);
2417 }
2418 break;
2419 case QEMU_OPTION_set:
2420 if (qemu_set_option(optarg) != 0)
2421 exit(1);
2422 break;
2423 case QEMU_OPTION_global:
2424 if (qemu_global_option(optarg) != 0)
2425 exit(1);
2426 break;
2427 case QEMU_OPTION_mtdblock:
2428 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2429 break;
2430 case QEMU_OPTION_sd:
2431 drive_add(IF_SD, 0, optarg, SD_OPTS);
2432 break;
2433 case QEMU_OPTION_pflash:
2434 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2435 break;
2436 case QEMU_OPTION_snapshot:
2437 snapshot = 1;
2438 break;
2439 case QEMU_OPTION_hdachs:
2440 {
2441 const char *p;
2442 p = optarg;
2443 cyls = strtol(p, (char **)&p, 0);
2444 if (cyls < 1 || cyls > 16383)
2445 goto chs_fail;
2446 if (*p != ',')
2447 goto chs_fail;
2448 p++;
2449 heads = strtol(p, (char **)&p, 0);
2450 if (heads < 1 || heads > 16)
2451 goto chs_fail;
2452 if (*p != ',')
2453 goto chs_fail;
2454 p++;
2455 secs = strtol(p, (char **)&p, 0);
2456 if (secs < 1 || secs > 63)
2457 goto chs_fail;
2458 if (*p == ',') {
2459 p++;
2460 if (!strcmp(p, "none"))
2461 translation = BIOS_ATA_TRANSLATION_NONE;
2462 else if (!strcmp(p, "lba"))
2463 translation = BIOS_ATA_TRANSLATION_LBA;
2464 else if (!strcmp(p, "auto"))
2465 translation = BIOS_ATA_TRANSLATION_AUTO;
2466 else
2467 goto chs_fail;
2468 } else if (*p != '\0') {
2469 chs_fail:
2470 fprintf(stderr, "qemu: invalid physical CHS format\n");
2471 exit(1);
2472 }
2473 if (hda_opts != NULL) {
2474 char num[16];
2475 snprintf(num, sizeof(num), "%d", cyls);
2476 qemu_opt_set(hda_opts, "cyls", num);
2477 snprintf(num, sizeof(num), "%d", heads);
2478 qemu_opt_set(hda_opts, "heads", num);
2479 snprintf(num, sizeof(num), "%d", secs);
2480 qemu_opt_set(hda_opts, "secs", num);
2481 if (translation == BIOS_ATA_TRANSLATION_LBA)
2482 qemu_opt_set(hda_opts, "trans", "lba");
2483 if (translation == BIOS_ATA_TRANSLATION_NONE)
2484 qemu_opt_set(hda_opts, "trans", "none");
2485 }
2486 }
2487 break;
2488 case QEMU_OPTION_numa:
2489 if (nb_numa_nodes >= MAX_NODES) {
2490 fprintf(stderr, "qemu: too many NUMA nodes\n");
2491 exit(1);
2492 }
2493 numa_add(optarg);
2494 break;
2495 case QEMU_OPTION_display:
2496 display_type = select_display(optarg);
2497 break;
2498 case QEMU_OPTION_nographic:
2499 display_type = DT_NOGRAPHIC;
2500 break;
2501 case QEMU_OPTION_curses:
2502#ifdef CONFIG_CURSES
2503 display_type = DT_CURSES;
2504#else
2505 fprintf(stderr, "Curses support is disabled\n");
2506 exit(1);
2507#endif
2508 break;
2509 case QEMU_OPTION_portrait:
2510 graphic_rotate = 90;
2511 break;
2512 case QEMU_OPTION_rotate:
2513 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2514 if (graphic_rotate != 0 && graphic_rotate != 90 &&
2515 graphic_rotate != 180 && graphic_rotate != 270) {
2516 fprintf(stderr,
2517 "qemu: only 90, 180, 270 deg rotation is available\n");
2518 exit(1);
2519 }
2520 break;
2521 case QEMU_OPTION_kernel:
2522 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
2523 break;
2524 case QEMU_OPTION_initrd:
2525 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
2526 break;
2527 case QEMU_OPTION_append:
2528 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
2529 break;
2530 case QEMU_OPTION_cdrom:
2531 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2532 break;
2533 case QEMU_OPTION_boot:
2534 {
2535 static const char * const params[] = {
2536 "order", "once", "menu",
2537 "splash", "splash-time", NULL
2538 };
2539 char buf[sizeof(boot_devices)];
2540 char *standard_boot_devices;
2541 int legacy = 0;
2542
2543 if (!strchr(optarg, '=')) {
2544 legacy = 1;
2545 pstrcpy(buf, sizeof(buf), optarg);
2546 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2547 fprintf(stderr,
2548 "qemu: unknown boot parameter '%s' in '%s'\n",
2549 buf, optarg);
2550 exit(1);
2551 }
2552
2553 if (legacy ||
2554 get_param_value(buf, sizeof(buf), "order", optarg)) {
2555 validate_bootdevices(buf);
2556 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2557 }
2558 if (!legacy) {
2559 if (get_param_value(buf, sizeof(buf),
2560 "once", optarg)) {
2561 validate_bootdevices(buf);
2562 standard_boot_devices = g_strdup(boot_devices);
2563 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2564 qemu_register_reset(restore_boot_devices,
2565 standard_boot_devices);
2566 }
2567 if (get_param_value(buf, sizeof(buf),
2568 "menu", optarg)) {
2569 if (!strcmp(buf, "on")) {
2570 boot_menu = 1;
2571 } else if (!strcmp(buf, "off")) {
2572 boot_menu = 0;
2573 } else {
2574 fprintf(stderr,
2575 "qemu: invalid option value '%s'\n",
2576 buf);
2577 exit(1);
2578 }
2579 }
2580 qemu_opts_parse(qemu_find_opts("boot-opts"),
2581 optarg, 0);
2582 }
2583 }
2584 break;
2585 case QEMU_OPTION_fda:
2586 case QEMU_OPTION_fdb:
2587 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2588 optarg, FD_OPTS);
2589 break;
2590 case QEMU_OPTION_no_fd_bootchk:
2591 fd_bootchk = 0;
2592 break;
2593 case QEMU_OPTION_netdev:
2594 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2595 exit(1);
2596 }
2597 break;
2598 case QEMU_OPTION_net:
2599 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2600 exit(1);
2601 }
2602 break;
2603#ifdef CONFIG_LIBISCSI
2604 case QEMU_OPTION_iscsi:
2605 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
2606 if (!opts) {
2607 exit(1);
2608 }
2609 break;
2610#endif
2611#ifdef CONFIG_SLIRP
2612 case QEMU_OPTION_tftp:
2613 legacy_tftp_prefix = optarg;
2614 break;
2615 case QEMU_OPTION_bootp:
2616 legacy_bootp_filename = optarg;
2617 break;
2618 case QEMU_OPTION_redir:
2619 if (net_slirp_redir(optarg) < 0)
2620 exit(1);
2621 break;
2622#endif
2623 case QEMU_OPTION_bt:
2624 add_device_config(DEV_BT, optarg);
2625 break;
2626 case QEMU_OPTION_audio_help:
2627 if (!(audio_available())) {
2628 printf("Option %s not supported for this target\n", popt->name);
2629 exit(1);
2630 }
2631 AUD_help ();
2632 exit (0);
2633 break;
2634 case QEMU_OPTION_soundhw:
2635 if (!(audio_available())) {
2636 printf("Option %s not supported for this target\n", popt->name);
2637 exit(1);
2638 }
2639 select_soundhw (optarg);
2640 break;
2641 case QEMU_OPTION_h:
2642 help(0);
2643 break;
2644 case QEMU_OPTION_version:
2645 version();
2646 exit(0);
2647 break;
2648 case QEMU_OPTION_m: {
2649 int64_t value;
2650 char *end;
2651
2652 value = strtosz(optarg, &end);
2653 if (value < 0 || *end) {
2654 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2655 exit(1);
2656 }
2657
2658 if (value != (uint64_t)(ram_addr_t)value) {
2659 fprintf(stderr, "qemu: ram size too large\n");
2660 exit(1);
2661 }
2662 ram_size = value;
2663 break;
2664 }
2665 case QEMU_OPTION_mempath:
2666 mem_path = optarg;
2667 break;
2668#ifdef MAP_POPULATE
2669 case QEMU_OPTION_mem_prealloc:
2670 mem_prealloc = 1;
2671 break;
2672#endif
2673 case QEMU_OPTION_d:
2674 log_mask = optarg;
2675 break;
2676 case QEMU_OPTION_D:
2677 log_file = optarg;
2678 break;
2679 case QEMU_OPTION_s:
2680 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
2681 break;
2682 case QEMU_OPTION_gdb:
2683 add_device_config(DEV_GDB, optarg);
2684 break;
2685 case QEMU_OPTION_L:
2686 data_dir = optarg;
2687 break;
2688 case QEMU_OPTION_bios:
2689 bios_name = optarg;
2690 break;
2691 case QEMU_OPTION_singlestep:
2692 singlestep = 1;
2693 break;
2694 case QEMU_OPTION_S:
2695 autostart = 0;
2696 break;
2697 case QEMU_OPTION_k:
2698 keyboard_layout = optarg;
2699 break;
2700 case QEMU_OPTION_localtime:
2701 rtc_utc = 0;
2702 break;
2703 case QEMU_OPTION_vga:
2704 vga_model = optarg;
2705 break;
2706 case QEMU_OPTION_g:
2707 {
2708 const char *p;
2709 int w, h, depth;
2710 p = optarg;
2711 w = strtol(p, (char **)&p, 10);
2712 if (w <= 0) {
2713 graphic_error:
2714 fprintf(stderr, "qemu: invalid resolution or depth\n");
2715 exit(1);
2716 }
2717 if (*p != 'x')
2718 goto graphic_error;
2719 p++;
2720 h = strtol(p, (char **)&p, 10);
2721 if (h <= 0)
2722 goto graphic_error;
2723 if (*p == 'x') {
2724 p++;
2725 depth = strtol(p, (char **)&p, 10);
2726 if (depth != 8 && depth != 15 && depth != 16 &&
2727 depth != 24 && depth != 32)
2728 goto graphic_error;
2729 } else if (*p == '\0') {
2730 depth = graphic_depth;
2731 } else {
2732 goto graphic_error;
2733 }
2734
2735 graphic_width = w;
2736 graphic_height = h;
2737 graphic_depth = depth;
2738 }
2739 break;
2740 case QEMU_OPTION_echr:
2741 {
2742 char *r;
2743 term_escape_char = strtol(optarg, &r, 0);
2744 if (r == optarg)
2745 printf("Bad argument to echr\n");
2746 break;
2747 }
2748 case QEMU_OPTION_monitor:
2749 monitor_parse(optarg, "readline");
2750 default_monitor = 0;
2751 break;
2752 case QEMU_OPTION_qmp:
2753 monitor_parse(optarg, "control");
2754 default_monitor = 0;
2755 break;
2756 case QEMU_OPTION_mon:
2757 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2758 if (!opts) {
2759 exit(1);
2760 }
2761 default_monitor = 0;
2762 break;
2763 case QEMU_OPTION_chardev:
2764 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2765 if (!opts) {
2766 exit(1);
2767 }
2768 break;
2769 case QEMU_OPTION_fsdev:
2770 olist = qemu_find_opts("fsdev");
2771 if (!olist) {
2772 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2773 exit(1);
2774 }
2775 opts = qemu_opts_parse(olist, optarg, 1);
2776 if (!opts) {
2777 fprintf(stderr, "parse error: %s\n", optarg);
2778 exit(1);
2779 }
2780 break;
2781 case QEMU_OPTION_virtfs: {
2782 QemuOpts *fsdev;
2783 QemuOpts *device;
2784 const char *writeout, *sock_fd, *socket;
2785
2786 olist = qemu_find_opts("virtfs");
2787 if (!olist) {
2788 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2789 exit(1);
2790 }
2791 opts = qemu_opts_parse(olist, optarg, 1);
2792 if (!opts) {
2793 fprintf(stderr, "parse error: %s\n", optarg);
2794 exit(1);
2795 }
2796
2797 if (qemu_opt_get(opts, "fsdriver") == NULL ||
2798 qemu_opt_get(opts, "mount_tag") == NULL) {
2799 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
2800 exit(1);
2801 }
2802 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
2803 qemu_opt_get(opts, "mount_tag"), 1);
2804 if (!fsdev) {
2805 fprintf(stderr, "duplicate fsdev id: %s\n",
2806 qemu_opt_get(opts, "mount_tag"));
2807 exit(1);
2808 }
2809
2810 writeout = qemu_opt_get(opts, "writeout");
2811 if (writeout) {
2812#ifdef CONFIG_SYNC_FILE_RANGE
2813 qemu_opt_set(fsdev, "writeout", writeout);
2814#else
2815 fprintf(stderr, "writeout=immediate not supported on "
2816 "this platform\n");
2817 exit(1);
2818#endif
2819 }
2820 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
2821 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
2822 qemu_opt_set(fsdev, "security_model",
2823 qemu_opt_get(opts, "security_model"));
2824 socket = qemu_opt_get(opts, "socket");
2825 if (socket) {
2826 qemu_opt_set(fsdev, "socket", socket);
2827 }
2828 sock_fd = qemu_opt_get(opts, "sock_fd");
2829 if (sock_fd) {
2830 qemu_opt_set(fsdev, "sock_fd", sock_fd);
2831 }
2832
2833 qemu_opt_set_bool(fsdev, "readonly",
2834 qemu_opt_get_bool(opts, "readonly", 0));
2835 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
2836 qemu_opt_set(device, "driver", "virtio-9p-pci");
2837 qemu_opt_set(device, "fsdev",
2838 qemu_opt_get(opts, "mount_tag"));
2839 qemu_opt_set(device, "mount_tag",
2840 qemu_opt_get(opts, "mount_tag"));
2841 break;
2842 }
2843 case QEMU_OPTION_virtfs_synth: {
2844 QemuOpts *fsdev;
2845 QemuOpts *device;
2846
2847 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth", 1);
2848 if (!fsdev) {
2849 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
2850 exit(1);
2851 }
2852 qemu_opt_set(fsdev, "fsdriver", "synth");
2853
2854 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
2855 qemu_opt_set(device, "driver", "virtio-9p-pci");
2856 qemu_opt_set(device, "fsdev", "v_synth");
2857 qemu_opt_set(device, "mount_tag", "v_synth");
2858 break;
2859 }
2860 case QEMU_OPTION_serial:
2861 add_device_config(DEV_SERIAL, optarg);
2862 default_serial = 0;
2863 if (strncmp(optarg, "mon:", 4) == 0) {
2864 default_monitor = 0;
2865 }
2866 break;
2867 case QEMU_OPTION_watchdog:
2868 if (watchdog) {
2869 fprintf(stderr,
2870 "qemu: only one watchdog option may be given\n");
2871 return 1;
2872 }
2873 watchdog = optarg;
2874 break;
2875 case QEMU_OPTION_watchdog_action:
2876 if (select_watchdog_action(optarg) == -1) {
2877 fprintf(stderr, "Unknown -watchdog-action parameter\n");
2878 exit(1);
2879 }
2880 break;
2881 case QEMU_OPTION_virtiocon:
2882 add_device_config(DEV_VIRTCON, optarg);
2883 default_virtcon = 0;
2884 if (strncmp(optarg, "mon:", 4) == 0) {
2885 default_monitor = 0;
2886 }
2887 break;
2888 case QEMU_OPTION_parallel:
2889 add_device_config(DEV_PARALLEL, optarg);
2890 default_parallel = 0;
2891 if (strncmp(optarg, "mon:", 4) == 0) {
2892 default_monitor = 0;
2893 }
2894 break;
2895 case QEMU_OPTION_debugcon:
2896 add_device_config(DEV_DEBUGCON, optarg);
2897 break;
2898 case QEMU_OPTION_loadvm:
2899 loadvm = optarg;
2900 break;
2901 case QEMU_OPTION_full_screen:
2902 full_screen = 1;
2903 break;
2904#ifdef CONFIG_SDL
2905 case QEMU_OPTION_no_frame:
2906 no_frame = 1;
2907 break;
2908 case QEMU_OPTION_alt_grab:
2909 alt_grab = 1;
2910 break;
2911 case QEMU_OPTION_ctrl_grab:
2912 ctrl_grab = 1;
2913 break;
2914 case QEMU_OPTION_no_quit:
2915 no_quit = 1;
2916 break;
2917 case QEMU_OPTION_sdl:
2918 display_type = DT_SDL;
2919 break;
2920#else
2921 case QEMU_OPTION_no_frame:
2922 case QEMU_OPTION_alt_grab:
2923 case QEMU_OPTION_ctrl_grab:
2924 case QEMU_OPTION_no_quit:
2925 case QEMU_OPTION_sdl:
2926 fprintf(stderr, "SDL support is disabled\n");
2927 exit(1);
2928#endif
2929 case QEMU_OPTION_pidfile:
2930 pid_file = optarg;
2931 break;
2932 case QEMU_OPTION_win2k_hack:
2933 win2k_install_hack = 1;
2934 break;
2935 case QEMU_OPTION_rtc_td_hack: {
2936 static GlobalProperty slew_lost_ticks[] = {
2937 {
2938 .driver = "mc146818rtc",
2939 .property = "lost_tick_policy",
2940 .value = "slew",
2941 },
2942 { /* end of list */ }
2943 };
2944
2945 qdev_prop_register_global_list(slew_lost_ticks);
2946 break;
2947 }
2948 case QEMU_OPTION_acpitable:
2949 do_acpitable_option(optarg);
2950 break;
2951 case QEMU_OPTION_smbios:
2952 do_smbios_option(optarg);
2953 break;
2954 case QEMU_OPTION_enable_kvm:
2955 olist = qemu_find_opts("machine");
2956 qemu_opts_parse(olist, "accel=kvm", 0);
2957 break;
2958 case QEMU_OPTION_machine:
2959 olist = qemu_find_opts("machine");
2960 opts = qemu_opts_parse(olist, optarg, 1);
2961 if (!opts) {
2962 fprintf(stderr, "parse error: %s\n", optarg);
2963 exit(1);
2964 }
2965 optarg = qemu_opt_get(opts, "type");
2966 if (optarg) {
2967 machine = machine_parse(optarg);
2968 }
2969 break;
2970 case QEMU_OPTION_usb:
2971 usb_enabled = 1;
2972 break;
2973 case QEMU_OPTION_usbdevice:
2974 usb_enabled = 1;
2975 add_device_config(DEV_USB, optarg);
2976 break;
2977 case QEMU_OPTION_device:
2978 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
2979 exit(1);
2980 }
2981 break;
2982 case QEMU_OPTION_smp:
2983 smp_parse(optarg);
2984 if (smp_cpus < 1) {
2985 fprintf(stderr, "Invalid number of CPUs\n");
2986 exit(1);
2987 }
2988 if (max_cpus < smp_cpus) {
2989 fprintf(stderr, "maxcpus must be equal to or greater than "
2990 "smp\n");
2991 exit(1);
2992 }
2993 if (max_cpus > 255) {
2994 fprintf(stderr, "Unsupported number of maxcpus\n");
2995 exit(1);
2996 }
2997 break;
2998 case QEMU_OPTION_vnc:
2999#ifdef CONFIG_VNC
3000 display_remote++;
3001 vnc_display = optarg;
3002#else
3003 fprintf(stderr, "VNC support is disabled\n");
3004 exit(1);
3005#endif
3006 break;
3007 case QEMU_OPTION_no_acpi:
3008 acpi_enabled = 0;
3009 break;
3010 case QEMU_OPTION_no_hpet:
3011 no_hpet = 1;
3012 break;
3013 case QEMU_OPTION_balloon:
3014 if (balloon_parse(optarg) < 0) {
3015 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3016 exit(1);
3017 }
3018 break;
3019 case QEMU_OPTION_no_reboot:
3020 no_reboot = 1;
3021 break;
3022 case QEMU_OPTION_no_shutdown:
3023 no_shutdown = 1;
3024 break;
3025 case QEMU_OPTION_show_cursor:
3026 cursor_hide = 0;
3027 break;
3028 case QEMU_OPTION_uuid:
3029 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3030 fprintf(stderr, "Fail to parse UUID string."
3031 " Wrong format.\n");
3032 exit(1);
3033 }
3034 break;
3035 case QEMU_OPTION_option_rom:
3036 if (nb_option_roms >= MAX_OPTION_ROMS) {
3037 fprintf(stderr, "Too many option ROMs\n");
3038 exit(1);
3039 }
3040 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3041 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3042 option_rom[nb_option_roms].bootindex =
3043 qemu_opt_get_number(opts, "bootindex", -1);
3044 if (!option_rom[nb_option_roms].name) {
3045 fprintf(stderr, "Option ROM file is not specified\n");
3046 exit(1);
3047 }
3048 nb_option_roms++;
3049 break;
3050 case QEMU_OPTION_semihosting:
3051 semihosting_enabled = 1;
3052 break;
3053 case QEMU_OPTION_name:
3054 qemu_name = g_strdup(optarg);
3055 {
3056 char *p = strchr(qemu_name, ',');
3057 if (p != NULL) {
3058 *p++ = 0;
3059 if (strncmp(p, "process=", 8)) {
3060 fprintf(stderr, "Unknown subargument %s to -name\n", p);
3061 exit(1);
3062 }
3063 p += 8;
3064 os_set_proc_name(p);
3065 }
3066 }
3067 break;
3068 case QEMU_OPTION_prom_env:
3069 if (nb_prom_envs >= MAX_PROM_ENVS) {
3070 fprintf(stderr, "Too many prom variables\n");
3071 exit(1);
3072 }
3073 prom_envs[nb_prom_envs] = optarg;
3074 nb_prom_envs++;
3075 break;
3076 case QEMU_OPTION_old_param:
3077 old_param = 1;
3078 break;
3079 case QEMU_OPTION_clock:
3080 configure_alarms(optarg);
3081 break;
3082 case QEMU_OPTION_startdate:
3083 configure_rtc_date_offset(optarg, 1);
3084 break;
3085 case QEMU_OPTION_rtc:
3086 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3087 if (!opts) {
3088 exit(1);
3089 }
3090 configure_rtc(opts);
3091 break;
3092 case QEMU_OPTION_tb_size:
3093 tcg_tb_size = strtol(optarg, NULL, 0);
3094 if (tcg_tb_size < 0) {
3095 tcg_tb_size = 0;
3096 }
3097 break;
3098 case QEMU_OPTION_icount:
3099 icount_option = optarg;
3100 break;
3101 case QEMU_OPTION_incoming:
3102 incoming = optarg;
3103 break;
3104 case QEMU_OPTION_nodefaults:
3105 default_serial = 0;
3106 default_parallel = 0;
3107 default_virtcon = 0;
3108 default_monitor = 0;
3109 default_net = 0;
3110 default_floppy = 0;
3111 default_cdrom = 0;
3112 default_sdcard = 0;
3113 vga_model = "none";
3114 break;
3115 case QEMU_OPTION_xen_domid:
3116 if (!(xen_available())) {
3117 printf("Option %s not supported for this target\n", popt->name);
3118 exit(1);
3119 }
3120 xen_domid = atoi(optarg);
3121 break;
3122 case QEMU_OPTION_xen_create:
3123 if (!(xen_available())) {
3124 printf("Option %s not supported for this target\n", popt->name);
3125 exit(1);
3126 }
3127 xen_mode = XEN_CREATE;
3128 break;
3129 case QEMU_OPTION_xen_attach:
3130 if (!(xen_available())) {
3131 printf("Option %s not supported for this target\n", popt->name);
3132 exit(1);
3133 }
3134 xen_mode = XEN_ATTACH;
3135 break;
3136 case QEMU_OPTION_trace:
3137 {
3138 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3139 if (!opts) {
3140 exit(1);
3141 }
3142 trace_events = qemu_opt_get(opts, "events");
3143 trace_file = qemu_opt_get(opts, "file");
3144 break;
3145 }
3146 case QEMU_OPTION_readconfig:
3147 {
3148 int ret = qemu_read_config_file(optarg);
3149 if (ret < 0) {
3150 fprintf(stderr, "read config %s: %s\n", optarg,
3151 strerror(-ret));
3152 exit(1);
3153 }
3154 break;
3155 }
3156 case QEMU_OPTION_spice:
3157 olist = qemu_find_opts("spice");
3158 if (!olist) {
3159 fprintf(stderr, "spice is not supported by this qemu build.\n");
3160 exit(1);
3161 }
3162 opts = qemu_opts_parse(olist, optarg, 0);
3163 if (!opts) {
3164 fprintf(stderr, "parse error: %s\n", optarg);
3165 exit(1);
3166 }
3167 break;
3168 case QEMU_OPTION_writeconfig:
3169 {
3170 FILE *fp;
3171 if (strcmp(optarg, "-") == 0) {
3172 fp = stdout;
3173 } else {
3174 fp = fopen(optarg, "w");
3175 if (fp == NULL) {
3176 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3177 exit(1);
3178 }
3179 }
3180 qemu_config_write(fp);
3181 fclose(fp);
3182 break;
3183 }
3184 default:
3185 os_parse_cmd_args(popt->index, optarg);
3186 }
3187 }
3188 }
3189 loc_set_none();
3190
3191 /* Open the logfile at this point, if necessary. We can't open the logfile
3192 * when encountering either of the logging options (-d or -D) because the
3193 * other one may be encountered later on the command line, changing the
3194 * location or level of logging.
3195 */
3196 if (log_mask) {
3197 if (log_file) {
3198 set_cpu_log_filename(log_file);
3199 }
3200 set_cpu_log(log_mask);
3201 }
3202
3203 if (!trace_backend_init(trace_events, trace_file)) {
3204 exit(1);
3205 }
3206
3207 /* If no data_dir is specified then try to find it relative to the
3208 executable path. */
3209 if (!data_dir) {
3210 data_dir = os_find_datadir(argv[0]);
3211 }
3212 /* If all else fails use the install path specified when building. */
3213 if (!data_dir) {
3214 data_dir = CONFIG_QEMU_DATADIR;
3215 }
3216
3217 if (machine == NULL) {
3218 fprintf(stderr, "No machine found.\n");
3219 exit(1);
3220 }
3221
3222 /*
3223 * Default to max_cpus = smp_cpus, in case the user doesn't
3224 * specify a max_cpus value.
3225 */
3226 if (!max_cpus)
3227 max_cpus = smp_cpus;
3228
3229 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3230 if (smp_cpus > machine->max_cpus) {
3231 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3232 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
3233 machine->max_cpus);
3234 exit(1);
3235 }
3236
3237 /*
3238 * Get the default machine options from the machine if it is not already
3239 * specified either by the configuration file or by the command line.
3240 */
3241 if (machine->default_machine_opts) {
3242 qemu_opts_set_defaults(qemu_find_opts("machine"),
3243 machine->default_machine_opts, 0);
3244 }
3245
3246 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3247 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3248
3249 if (machine->no_serial) {
3250 default_serial = 0;
3251 }
3252 if (machine->no_parallel) {
3253 default_parallel = 0;
3254 }
3255 if (!machine->use_virtcon) {
3256 default_virtcon = 0;
3257 }
3258 if (machine->no_floppy) {
3259 default_floppy = 0;
3260 }
3261 if (machine->no_cdrom) {
3262 default_cdrom = 0;
3263 }
3264 if (machine->no_sdcard) {
3265 default_sdcard = 0;
3266 }
3267
3268 if (display_type == DT_NOGRAPHIC) {
3269 if (default_parallel)
3270 add_device_config(DEV_PARALLEL, "null");
3271 if (default_serial && default_monitor) {
3272 add_device_config(DEV_SERIAL, "mon:stdio");
3273 } else if (default_virtcon && default_monitor) {
3274 add_device_config(DEV_VIRTCON, "mon:stdio");
3275 } else {
3276 if (default_serial)
3277 add_device_config(DEV_SERIAL, "stdio");
3278 if (default_virtcon)
3279 add_device_config(DEV_VIRTCON, "stdio");
3280 if (default_monitor)
3281 monitor_parse("stdio", "readline");
3282 }
3283 } else {
3284 if (default_serial)
3285 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3286 if (default_parallel)
3287 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3288 if (default_monitor)
3289 monitor_parse("vc:80Cx24C", "readline");
3290 if (default_virtcon)
3291 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3292 }
3293
3294 socket_init();
3295
3296 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3297 exit(1);
3298#ifdef CONFIG_VIRTFS
3299 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3300 exit(1);
3301 }
3302#endif
3303
3304 os_daemonize();
3305
3306 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3307 os_pidfile_error();
3308 exit(1);
3309 }
3310
3311 /* init the memory */
3312 if (ram_size == 0) {
3313 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3314 }
3315
3316 configure_accelerator();
3317
3318 qemu_init_cpu_loop();
3319 if (qemu_init_main_loop()) {
3320 fprintf(stderr, "qemu_init_main_loop failed\n");
3321 exit(1);
3322 }
3323
3324 machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3325 if (machine_opts) {
3326 kernel_filename = qemu_opt_get(machine_opts, "kernel");
3327 initrd_filename = qemu_opt_get(machine_opts, "initrd");
3328 kernel_cmdline = qemu_opt_get(machine_opts, "append");
3329 } else {
3330 kernel_filename = initrd_filename = kernel_cmdline = NULL;
3331 }
3332
3333 if (!kernel_cmdline) {
3334 kernel_cmdline = "";
3335 }
3336
3337 linux_boot = (kernel_filename != NULL);
3338
3339 if (!linux_boot && *kernel_cmdline != '\0') {
3340 fprintf(stderr, "-append only allowed with -kernel option\n");
3341 exit(1);
3342 }
3343
3344 if (!linux_boot && initrd_filename != NULL) {
3345 fprintf(stderr, "-initrd only allowed with -kernel option\n");
3346 exit(1);
3347 }
3348
3349 os_set_line_buffering();
3350
3351 if (init_timer_alarm() < 0) {
3352 fprintf(stderr, "could not initialize alarm timer\n");
3353 exit(1);
3354 }
3355
3356 if (icount_option && (kvm_enabled() || xen_enabled())) {
3357 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
3358 exit(1);
3359 }
3360 configure_icount(icount_option);
3361
3362 if (net_init_clients() < 0) {
3363 exit(1);
3364 }
3365
3366 /* init the bluetooth world */
3367 if (foreach_device_config(DEV_BT, bt_parse))
3368 exit(1);
3369
3370 if (!xen_enabled()) {
3371 /* On 32-bit hosts, QEMU is limited by virtual address space */
3372 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
3373 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
3374 exit(1);
3375 }
3376 }
3377
3378 cpu_exec_init_all();
3379
3380 bdrv_init_with_whitelist();
3381
3382 blk_mig_init();
3383
3384 /* open the virtual block devices */
3385 if (snapshot)
3386 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3387 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
3388 exit(1);
3389
3390 default_drive(default_cdrom, snapshot, machine->use_scsi,
3391 IF_DEFAULT, 2, CDROM_OPTS);
3392 default_drive(default_floppy, snapshot, machine->use_scsi,
3393 IF_FLOPPY, 0, FD_OPTS);
3394 default_drive(default_sdcard, snapshot, machine->use_scsi,
3395 IF_SD, 0, SD_OPTS);
3396
3397 register_savevm_live(NULL, "ram", 0, 4, NULL, ram_save_live, NULL,
3398 ram_load, NULL);
3399
3400 if (nb_numa_nodes > 0) {
3401 int i;
3402
3403 if (nb_numa_nodes > MAX_NODES) {
3404 nb_numa_nodes = MAX_NODES;
3405 }
3406
3407 /* If no memory size if given for any node, assume the default case
3408 * and distribute the available memory equally across all nodes
3409 */
3410 for (i = 0; i < nb_numa_nodes; i++) {
3411 if (node_mem[i] != 0)
3412 break;
3413 }
3414 if (i == nb_numa_nodes) {
3415 uint64_t usedmem = 0;
3416
3417 /* On Linux, the each node's border has to be 8MB aligned,
3418 * the final node gets the rest.
3419 */
3420 for (i = 0; i < nb_numa_nodes - 1; i++) {
3421 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3422 usedmem += node_mem[i];
3423 }
3424 node_mem[i] = ram_size - usedmem;
3425 }
3426
3427 for (i = 0; i < nb_numa_nodes; i++) {
3428 if (node_cpumask[i] != 0)
3429 break;
3430 }
3431 /* assigning the VCPUs round-robin is easier to implement, guest OSes
3432 * must cope with this anyway, because there are BIOSes out there in
3433 * real machines which also use this scheme.
3434 */
3435 if (i == nb_numa_nodes) {
3436 for (i = 0; i < max_cpus; i++) {
3437 node_cpumask[i % nb_numa_nodes] |= 1 << i;
3438 }
3439 }
3440 }
3441
3442 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3443 exit(1);
3444 }
3445
3446 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3447 exit(1);
3448 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3449 exit(1);
3450 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3451 exit(1);
3452 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3453 exit(1);
3454
3455 module_call_init(MODULE_INIT_QOM);
3456
3457 /* must be after qdev registration but before machine init */
3458 if (vga_model) {
3459 select_vgahw(vga_model);
3460 } else if (cirrus_vga_available()) {
3461 select_vgahw("cirrus");
3462 } else {
3463 select_vgahw("none");
3464 }
3465
3466 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) != 0)
3467 exit(0);
3468
3469 if (watchdog) {
3470 i = select_watchdog(watchdog);
3471 if (i > 0)
3472 exit (i == 1 ? 1 : 0);
3473 }
3474
3475 if (machine->compat_props) {
3476 qdev_prop_register_global_list(machine->compat_props);
3477 }
3478 qemu_add_globals();
3479
3480 qdev_machine_init();
3481
3482 machine->init(ram_size, boot_devices,
3483 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3484
3485 cpu_synchronize_all_post_init();
3486
3487 set_numa_modes();
3488
3489 current_machine = machine;
3490
3491 /* init USB devices */
3492 if (usb_enabled) {
3493 if (foreach_device_config(DEV_USB, usb_parse) < 0)
3494 exit(1);
3495 }
3496
3497 /* init generic devices */
3498 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3499 exit(1);
3500
3501 net_check_clients();
3502
3503 /* just use the first displaystate for the moment */
3504 ds = get_displaystate();
3505
3506 if (using_spice)
3507 display_remote++;
3508 if (display_type == DT_DEFAULT && !display_remote) {
3509#if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3510 display_type = DT_SDL;
3511#elif defined(CONFIG_VNC)
3512 vnc_display = "localhost:0,to=99";
3513 show_vnc_port = 1;
3514#else
3515 display_type = DT_NONE;
3516#endif
3517 }
3518
3519
3520 /* init local displays */
3521 switch (display_type) {
3522 case DT_NOGRAPHIC:
3523 break;
3524#if defined(CONFIG_CURSES)
3525 case DT_CURSES:
3526 curses_display_init(ds, full_screen);
3527 break;
3528#endif
3529#if defined(CONFIG_SDL)
3530 case DT_SDL:
3531 sdl_display_init(ds, full_screen, no_frame);
3532 break;
3533#elif defined(CONFIG_COCOA)
3534 case DT_SDL:
3535 cocoa_display_init(ds, full_screen);
3536 break;
3537#endif
3538 default:
3539 break;
3540 }
3541
3542 /* must be after terminal init, SDL library changes signal handlers */
3543 os_setup_signal_handling();
3544
3545#ifdef CONFIG_VNC
3546 /* init remote displays */
3547 if (vnc_display) {
3548 vnc_display_init(ds);
3549 if (vnc_display_open(ds, vnc_display) < 0)
3550 exit(1);
3551
3552 if (show_vnc_port) {
3553 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3554 }
3555 }
3556#endif
3557#ifdef CONFIG_SPICE
3558 if (using_spice && !qxl_enabled) {
3559 qemu_spice_display_init(ds);
3560 }
3561#endif
3562
3563 /* display setup */
3564 dpy_resize(ds);
3565 dcl = ds->listeners;
3566 while (dcl != NULL) {
3567 if (dcl->dpy_refresh != NULL) {
3568 ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
3569 qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
3570 break;
3571 }
3572 dcl = dcl->next;
3573 }
3574 text_consoles_set_display(ds);
3575
3576 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
3577 exit(1);
3578 }
3579
3580 qdev_machine_creation_done();
3581
3582 if (rom_load_all() != 0) {
3583 fprintf(stderr, "rom loading failed\n");
3584 exit(1);
3585 }
3586
3587 /* TODO: once all bus devices are qdevified, this should be done
3588 * when bus is created by qdev.c */
3589 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3590 qemu_run_machine_init_done_notifiers();
3591
3592 qemu_system_reset(VMRESET_SILENT);
3593 if (loadvm) {
3594 if (load_vmstate(loadvm) < 0) {
3595 autostart = 0;
3596 }
3597 }
3598
3599 if (incoming) {
3600 runstate_set(RUN_STATE_INMIGRATE);
3601 int ret = qemu_start_incoming_migration(incoming);
3602 if (ret < 0) {
3603 fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
3604 incoming, ret);
3605 exit(ret);
3606 }
3607 } else if (autostart) {
3608 vm_start();
3609 }
3610
3611 os_setup_post();
3612
3613 resume_all_vcpus();
3614 main_loop();
3615 bdrv_close_all();
3616 pause_all_vcpus();
3617 net_cleanup();
3618 res_free();
3619
3620 return 0;
3621}
QEMU mirror