vmstate: fix varrays with uint32_t indexes
[qemu/kevin.git] / vl.c
blobbd95539ff7604080cd584493d3efe27b745f36eb
1 /*
2 * QEMU System Emulator
4 * Copyright (c) 2003-2008 Fabrice Bellard
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:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
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.
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>
32 /* Needed early for CONFIG_BSD etc. */
33 #include "config-host.h"
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>
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>
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
84 #if defined(__OpenBSD__)
85 #include <util.h>
86 #endif
88 #if defined(CONFIG_VDE)
89 #include <libvdeplug.h>
90 #endif
92 #ifdef _WIN32
93 #include <windows.h>
94 #endif
96 #ifdef CONFIG_SDL
97 #if defined(__APPLE__) || defined(main)
98 #include <SDL.h>
99 int qemu_main(int argc, char **argv, char **envp);
100 int main(int argc, char **argv)
102 return qemu_main(argc, argv, NULL);
104 #undef main
105 #define main qemu_main
106 #endif
107 #endif /* CONFIG_SDL */
109 #ifdef CONFIG_COCOA
110 #undef main
111 #define main qemu_main
112 #endif /* CONFIG_COCOA */
114 #include <glib.h>
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
156 #include "disas.h"
158 #include "qemu_socket.h"
160 #include "slirp/libslirp.h"
162 #include "trace.h"
163 #include "trace/control.h"
164 #include "qemu-queue.h"
165 #include "cpus.h"
166 #include "arch_init.h"
168 #include "ui/qemu-spice.h"
170 //#define DEBUG_NET
171 //#define DEBUG_SLIRP
173 #define DEFAULT_RAM_SIZE 128
175 #define MAX_VIRTIO_CONSOLES 1
177 static const char *data_dir;
178 const char *bios_name = NULL;
179 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
180 DisplayType display_type = DT_DEFAULT;
181 int display_remote = 0;
182 const char* keyboard_layout = NULL;
183 ram_addr_t ram_size;
184 const char *mem_path = NULL;
185 #ifdef MAP_POPULATE
186 int mem_prealloc = 0; /* force preallocation of physical target memory */
187 #endif
188 int nb_nics;
189 NICInfo nd_table[MAX_NICS];
190 int autostart;
191 static int rtc_utc = 1;
192 static int rtc_date_offset = -1; /* -1 means no change */
193 QEMUClock *rtc_clock;
194 int vga_interface_type = VGA_NONE;
195 static int full_screen = 0;
196 #ifdef CONFIG_SDL
197 static int no_frame = 0;
198 #endif
199 int no_quit = 0;
200 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
201 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
202 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
203 int win2k_install_hack = 0;
204 int usb_enabled = 0;
205 int singlestep = 0;
206 int smp_cpus = 1;
207 int max_cpus = 0;
208 int smp_cores = 1;
209 int smp_threads = 1;
210 #ifdef CONFIG_VNC
211 const char *vnc_display;
212 #endif
213 int acpi_enabled = 1;
214 int no_hpet = 0;
215 int fd_bootchk = 1;
216 int no_reboot = 0;
217 int no_shutdown = 0;
218 int cursor_hide = 1;
219 int graphic_rotate = 0;
220 const char *watchdog;
221 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
222 int nb_option_roms;
223 int semihosting_enabled = 0;
224 int old_param = 0;
225 const char *qemu_name;
226 int alt_grab = 0;
227 int ctrl_grab = 0;
228 unsigned int nb_prom_envs = 0;
229 const char *prom_envs[MAX_PROM_ENVS];
230 int boot_menu;
231 uint8_t *boot_splash_filedata;
232 int boot_splash_filedata_size;
233 uint8_t qemu_extra_params_fw[2];
235 typedef struct FWBootEntry FWBootEntry;
237 struct FWBootEntry {
238 QTAILQ_ENTRY(FWBootEntry) link;
239 int32_t bootindex;
240 DeviceState *dev;
241 char *suffix;
244 QTAILQ_HEAD(, FWBootEntry) fw_boot_order = QTAILQ_HEAD_INITIALIZER(fw_boot_order);
246 int nb_numa_nodes;
247 uint64_t node_mem[MAX_NODES];
248 uint64_t node_cpumask[MAX_NODES];
250 uint8_t qemu_uuid[16];
252 static QEMUBootSetHandler *boot_set_handler;
253 static void *boot_set_opaque;
255 static NotifierList exit_notifiers =
256 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
258 static NotifierList machine_init_done_notifiers =
259 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
261 static int tcg_allowed = 1;
262 int kvm_allowed = 0;
263 int xen_allowed = 0;
264 uint32_t xen_domid;
265 enum xen_mode xen_mode = XEN_EMULATE;
266 static int tcg_tb_size;
268 static int default_serial = 1;
269 static int default_parallel = 1;
270 static int default_virtcon = 1;
271 static int default_monitor = 1;
272 static int default_floppy = 1;
273 static int default_cdrom = 1;
274 static int default_sdcard = 1;
276 static 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 },
292 static void res_free(void)
294 if (boot_splash_filedata != NULL) {
295 g_free(boot_splash_filedata);
296 boot_splash_filedata = NULL;
300 static int default_driver_check(QemuOpts *opts, void *opaque)
302 const char *driver = qemu_opt_get(opts, "driver");
303 int i;
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;
312 return 0;
315 /***********************************************************/
316 /* QEMU state */
318 static RunState current_run_state = RUN_STATE_PRELAUNCH;
320 typedef struct {
321 RunState from;
322 RunState to;
323 } RunStateTransition;
325 static const RunStateTransition runstate_transitions_def[] = {
326 /* from -> to */
327 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
329 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
330 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
332 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
333 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
335 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
336 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
338 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
339 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
341 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
342 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
344 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
345 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
346 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
348 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
349 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
351 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
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 },
363 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
365 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
366 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
368 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
369 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
371 { RUN_STATE_MAX, RUN_STATE_MAX },
374 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
376 bool runstate_check(RunState state)
378 return current_run_state == state;
381 void runstate_init(void)
383 const RunStateTransition *p;
385 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
387 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
388 runstate_valid_transitions[p->from][p->to] = true;
392 /* This function will abort() on invalid state transitions */
393 void runstate_set(RunState new_state)
395 assert(new_state < RUN_STATE_MAX);
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();
404 current_run_state = new_state;
407 int runstate_is_running(void)
409 return runstate_check(RUN_STATE_RUNNING);
412 StatusInfo *qmp_query_status(Error **errp)
414 StatusInfo *info = g_malloc0(sizeof(*info));
416 info->running = runstate_is_running();
417 info->singlestep = singlestep;
418 info->status = current_run_state;
420 return info;
423 /***********************************************************/
424 /* real time host monotonic timer */
426 /***********************************************************/
427 /* host time/date access */
428 void qemu_get_timedate(struct tm *tm, int offset)
430 time_t ti;
431 struct tm *ret;
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);
445 memcpy(tm, ret, sizeof(struct tm));
448 int qemu_timedate_diff(struct tm *tm)
450 time_t seconds;
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);
460 else
461 seconds = mktimegm(tm) + rtc_date_offset;
463 return seconds - time(NULL);
466 void rtc_change_mon_event(struct tm *tm)
468 QObject *data;
470 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
471 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
472 qobject_decref(data);
475 static void configure_rtc_date_offset(const char *startdate, int legacy)
477 time_t rtc_start_date;
478 struct tm tm;
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;
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);
510 rtc_date_offset = time(NULL) - rtc_start_date;
514 static void configure_rtc(QemuOpts *opts)
516 const char *value;
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);
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);
539 value = qemu_opt_get(opts, "driftfix");
540 if (value) {
541 if (!strcmp(value, "slew")) {
542 static GlobalProperty slew_lost_ticks[] = {
544 .driver = "mc146818rtc",
545 .property = "lost_tick_policy",
546 .value = "slew",
548 { /* end of list */ }
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);
561 /***********************************************************/
562 /* Bluetooth support */
563 static int nb_hcis;
564 static int cur_hci;
565 static struct HCIInfo *hci_table[MAX_NICS];
567 static struct bt_vlan_s {
568 struct bt_scatternet_s net;
569 int id;
570 struct bt_vlan_s *next;
571 } *first_bt_vlan;
573 /* find or alloc a new bluetooth "VLAN" */
574 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
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;
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;
590 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
594 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
596 return -ENOTSUP;
599 static 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,
606 struct HCIInfo *qemu_next_hci(void)
608 if (cur_hci == nb_hcis)
609 return &null_hci;
611 return hci_table[cur_hci++];
614 static struct HCIInfo *hci_init(const char *str)
616 char *endp;
617 struct bt_scatternet_s *vlan = 0;
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;
633 } else
634 vlan = qemu_find_bt_vlan(0);
635 if (vlan)
636 return bt_new_hci(vlan);
639 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
641 return 0;
644 static int bt_hci_parse(const char *str)
646 struct HCIInfo *hci;
647 bdaddr_t bdaddr;
649 if (nb_hcis >= MAX_NICS) {
650 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
651 return -1;
654 hci = hci_init(str);
655 if (!hci)
656 return -1;
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);
666 hci_table[nb_hcis++] = hci;
668 return 0;
671 static void bt_vhci_add(int vlan_id)
673 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
675 if (!vlan->slave)
676 fprintf(stderr, "qemu: warning: adding a VHCI to "
677 "an empty scatternet %i\n", vlan_id);
679 bt_vhci_init(bt_new_hci(vlan));
682 static struct bt_device_s *bt_device_add(const char *opt)
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];
690 pstrcpy(devname, MIN(sizeof(devname), len), opt);
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;
700 vlan = qemu_find_bt_vlan(vlan_id);
702 if (!vlan->slave)
703 fprintf(stderr, "qemu: warning: adding a slave device to "
704 "an empty scatternet %i\n", vlan_id);
706 if (!strcmp(devname, "keyboard"))
707 return bt_keyboard_init(vlan);
709 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
710 return 0;
713 static int bt_parse(const char *opt)
715 const char *endp, *p;
716 int vlan;
718 if (strstart(opt, "hci", &endp)) {
719 if (!*endp || *endp == ',') {
720 if (*endp)
721 if (!strstart(endp, ",vlan=", 0))
722 opt = endp + 1;
724 return bt_hci_parse(opt);
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;
735 } else {
736 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
737 return 1;
739 } else
740 vlan = 0;
742 bt_vhci_add(vlan);
743 return 0;
745 } else if (strstart(opt, "device:", &endp))
746 return !bt_device_add(endp);
748 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
749 return 1;
752 /***********************************************************/
753 /* QEMU Block devices */
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 ""
762 static int drive_init_func(QemuOpts *opts, void *opaque)
764 int *use_scsi = opaque;
766 return drive_init(opts, *use_scsi) == NULL;
769 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
771 if (NULL == qemu_opt_get(opts, "snapshot")) {
772 qemu_opt_set(opts, "snapshot", "on");
774 return 0;
777 static void default_drive(int enable, int snapshot, int use_scsi,
778 BlockInterfaceType type, int index,
779 const char *optstr)
781 QemuOpts *opts;
783 if (type == IF_DEFAULT) {
784 type = use_scsi ? IF_SCSI : IF_IDE;
787 if (!enable || drive_get_by_index(type, index)) {
788 return;
791 opts = drive_add(type, index, NULL, optstr);
792 if (snapshot) {
793 drive_enable_snapshot(opts, NULL);
795 if (!drive_init(opts, use_scsi)) {
796 exit(1);
800 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
802 boot_set_handler = func;
803 boot_set_opaque = opaque;
806 int qemu_boot_set(const char *boot_devices)
808 if (!boot_set_handler) {
809 return -EINVAL;
811 return boot_set_handler(boot_set_opaque, boot_devices);
814 static void validate_bootdevices(char *devices)
816 /* We just do some generic consistency checks */
817 const char *p;
818 int bitmap = 0;
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.
830 if (*p < 'a' || *p > 'p') {
831 fprintf(stderr, "Invalid boot device '%c'\n", *p);
832 exit(1);
834 if (bitmap & (1 << (*p - 'a'))) {
835 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
836 exit(1);
838 bitmap |= 1 << (*p - 'a');
842 static void restore_boot_devices(void *opaque)
844 char *standard_boot_devices = opaque;
845 static int first = 1;
847 /* Restore boot order and remove ourselves after the first boot */
848 if (first) {
849 first = 0;
850 return;
853 qemu_boot_set(standard_boot_devices);
855 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
856 g_free(standard_boot_devices);
859 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
860 const char *suffix)
862 FWBootEntry *node, *i;
864 if (bootindex < 0) {
865 return;
868 assert(dev != NULL || suffix != NULL);
870 node = g_malloc0(sizeof(FWBootEntry));
871 node->bootindex = bootindex;
872 node->suffix = suffix ? g_strdup(suffix) : NULL;
873 node->dev = dev;
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;
882 QTAILQ_INSERT_BEFORE(i, node, link);
883 return;
885 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
889 * This function returns null terminated string that consist of new line
890 * separated device paths.
892 * memory pointed by "size" is assigned total length of the array in bytes
895 char *get_boot_devices_list(uint32_t *size)
897 FWBootEntry *i;
898 uint32_t total = 0;
899 char *list = NULL;
901 QTAILQ_FOREACH(i, &fw_boot_order, link) {
902 char *devpath = NULL, *bootpath;
903 int len;
905 if (i->dev) {
906 devpath = qdev_get_fw_dev_path(i->dev);
907 assert(devpath);
910 if (i->suffix && devpath) {
911 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
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);
923 if (total) {
924 list[total-1] = '\n';
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);
933 *size = total;
935 return list;
938 static void numa_add(const char *optarg)
940 char option[128];
941 char *endptr;
942 unsigned long long value, endvalue;
943 int nodenr;
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);
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);
962 node_mem[nodenr] = sval;
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");
979 value = (2ULL << endvalue) - (1ULL << value);
980 } else {
981 value = 1ULL << value;
984 node_cpumask[nodenr] = value;
986 nb_numa_nodes++;
988 return;
991 static void smp_parse(const char *optarg)
993 int smp, sockets = 0, threads = 0, cores = 0;
994 char *endptr;
995 char option[128];
997 smp = strtoul(optarg, &endptr, 10);
998 if (endptr != optarg) {
999 if (*endptr == ',') {
1000 endptr++;
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);
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;
1020 } else {
1021 if (cores == 0) {
1022 threads = threads > 0 ? threads : 1;
1023 cores = smp / (sockets * threads);
1024 } else {
1025 threads = smp / (cores * sockets);
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;
1035 /***********************************************************/
1036 /* USB devices */
1038 static int usb_device_add(const char *devname)
1040 const char *p;
1041 USBDevice *dev = NULL;
1043 if (!usb_enabled)
1044 return -1;
1046 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1047 dev = usbdevice_create(devname);
1048 if (dev)
1049 goto done;
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;
1065 if (!dev)
1066 return -1;
1068 done:
1069 return 0;
1072 static int usb_device_del(const char *devname)
1074 int bus_num, addr;
1075 const char *p;
1077 if (strstart(devname, "host:", &p))
1078 return usb_host_device_close(p);
1080 if (!usb_enabled)
1081 return -1;
1083 p = strchr(devname, '.');
1084 if (!p)
1085 return -1;
1086 bus_num = strtoul(devname, NULL, 0);
1087 addr = strtoul(p + 1, NULL, 0);
1089 return usb_device_delete_addr(bus_num, addr);
1092 static int usb_parse(const char *cmdline)
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);
1099 return r;
1102 void do_usb_add(Monitor *mon, const QDict *qdict)
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);
1110 void do_usb_del(Monitor *mon, const QDict *qdict)
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);
1118 /***********************************************************/
1119 /* PCMCIA/Cardbus */
1121 static struct pcmcia_socket_entry_s {
1122 PCMCIASocket *socket;
1123 struct pcmcia_socket_entry_s *next;
1124 } *pcmcia_sockets = 0;
1126 void pcmcia_socket_register(PCMCIASocket *socket)
1128 struct pcmcia_socket_entry_s *entry;
1130 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1131 entry->socket = socket;
1132 entry->next = pcmcia_sockets;
1133 pcmcia_sockets = entry;
1136 void pcmcia_socket_unregister(PCMCIASocket *socket)
1138 struct pcmcia_socket_entry_s *entry, **ptr;
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);
1148 void pcmcia_info(Monitor *mon)
1150 struct pcmcia_socket_entry_s *iter;
1152 if (!pcmcia_sockets)
1153 monitor_printf(mon, "No PCMCIA sockets\n");
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");
1161 /***********************************************************/
1162 /* machine registration */
1164 static QEMUMachine *first_machine = NULL;
1165 QEMUMachine *current_machine = NULL;
1167 int qemu_register_machine(QEMUMachine *m)
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;
1178 static QEMUMachine *find_machine(const char *name)
1180 QEMUMachine *m;
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;
1188 return NULL;
1191 QEMUMachine *find_default_machine(void)
1193 QEMUMachine *m;
1195 for(m = first_machine; m != NULL; m = m->next) {
1196 if (m->is_default) {
1197 return m;
1200 return NULL;
1203 /***********************************************************/
1204 /* main execution loop */
1206 static void gui_update(void *opaque)
1208 uint64_t interval = GUI_REFRESH_INTERVAL;
1209 DisplayState *ds = opaque;
1210 DisplayChangeListener *dcl = ds->listeners;
1212 dpy_refresh(ds);
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;
1220 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1223 struct vm_change_state_entry {
1224 VMChangeStateHandler *cb;
1225 void *opaque;
1226 QLIST_ENTRY (vm_change_state_entry) entries;
1229 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1231 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1232 void *opaque)
1234 VMChangeStateEntry *e;
1236 e = g_malloc0(sizeof (*e));
1238 e->cb = cb;
1239 e->opaque = opaque;
1240 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1241 return e;
1244 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1246 QLIST_REMOVE (e, entries);
1247 g_free (e);
1250 void vm_state_notify(int running, RunState state)
1252 VMChangeStateEntry *e;
1254 trace_vm_state_notify(running, state);
1256 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1257 e->cb(e->opaque, running, state);
1261 void vm_start(void)
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);
1272 /* reset/shutdown handler */
1274 typedef struct QEMUResetEntry {
1275 QTAILQ_ENTRY(QEMUResetEntry) entry;
1276 QEMUResetHandler *func;
1277 void *opaque;
1278 } QEMUResetEntry;
1280 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1281 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1282 static int reset_requested;
1283 static int shutdown_requested, shutdown_signal = -1;
1284 static pid_t shutdown_pid;
1285 static int powerdown_requested;
1286 static int debug_requested;
1287 static int suspend_requested;
1288 static bool is_suspended;
1289 static NotifierList suspend_notifiers =
1290 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1291 static NotifierList wakeup_notifiers =
1292 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1293 static uint32_t wakeup_reason_mask = ~0;
1294 static RunState vmstop_requested = RUN_STATE_MAX;
1296 int qemu_shutdown_requested_get(void)
1298 return shutdown_requested;
1301 int qemu_reset_requested_get(void)
1303 return reset_requested;
1306 int qemu_shutdown_requested(void)
1308 int r = shutdown_requested;
1309 shutdown_requested = 0;
1310 return r;
1313 void qemu_kill_report(void)
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.
1321 fputc('\n', stderr);
1322 } else {
1323 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1325 shutdown_signal = -1;
1329 int qemu_reset_requested(void)
1331 int r = reset_requested;
1332 reset_requested = 0;
1333 return r;
1336 static int qemu_suspend_requested(void)
1338 int r = suspend_requested;
1339 suspend_requested = 0;
1340 return r;
1343 int qemu_powerdown_requested(void)
1345 int r = powerdown_requested;
1346 powerdown_requested = 0;
1347 return r;
1350 static int qemu_debug_requested(void)
1352 int r = debug_requested;
1353 debug_requested = 0;
1354 return r;
1357 /* We use RUN_STATE_MAX but any invalid value will do */
1358 static bool qemu_vmstop_requested(RunState *r)
1360 if (vmstop_requested < RUN_STATE_MAX) {
1361 *r = vmstop_requested;
1362 vmstop_requested = RUN_STATE_MAX;
1363 return true;
1366 return false;
1369 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1371 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1373 re->func = func;
1374 re->opaque = opaque;
1375 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1378 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1380 QEMUResetEntry *re;
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;
1391 void qemu_system_reset(bool report)
1393 QEMUResetEntry *re, *nre;
1395 /* reset all devices */
1396 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1397 re->func(re->opaque);
1399 if (report) {
1400 monitor_protocol_event(QEVENT_RESET, NULL);
1402 cpu_synchronize_all_post_reset();
1405 void qemu_system_reset_request(void)
1407 if (no_reboot) {
1408 shutdown_requested = 1;
1409 } else {
1410 reset_requested = 1;
1412 cpu_stop_current();
1413 qemu_notify_event();
1416 static void qemu_system_suspend(void)
1418 pause_all_vcpus();
1419 notifier_list_notify(&suspend_notifiers, NULL);
1420 monitor_protocol_event(QEVENT_SUSPEND, NULL);
1421 is_suspended = true;
1424 void qemu_system_suspend_request(void)
1426 if (is_suspended) {
1427 return;
1429 suspend_requested = 1;
1430 cpu_stop_current();
1431 qemu_notify_event();
1434 void qemu_register_suspend_notifier(Notifier *notifier)
1436 notifier_list_add(&suspend_notifiers, notifier);
1439 void qemu_system_wakeup_request(WakeupReason reason)
1441 if (!is_suspended) {
1442 return;
1444 if (!(wakeup_reason_mask & (1 << reason))) {
1445 return;
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;
1454 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1456 if (enabled) {
1457 wakeup_reason_mask |= (1 << reason);
1458 } else {
1459 wakeup_reason_mask &= ~(1 << reason);
1463 void qemu_register_wakeup_notifier(Notifier *notifier)
1465 notifier_list_add(&wakeup_notifiers, notifier);
1468 void qemu_system_killed(int signal, pid_t pid)
1470 shutdown_signal = signal;
1471 shutdown_pid = pid;
1472 no_shutdown = 0;
1473 qemu_system_shutdown_request();
1476 void qemu_system_shutdown_request(void)
1478 shutdown_requested = 1;
1479 qemu_notify_event();
1482 void qemu_system_powerdown_request(void)
1484 powerdown_requested = 1;
1485 qemu_notify_event();
1488 void qemu_system_debug_request(void)
1490 debug_requested = 1;
1491 qemu_notify_event();
1494 void qemu_system_vmstop_request(RunState state)
1496 vmstop_requested = state;
1497 qemu_notify_event();
1500 qemu_irq qemu_system_powerdown;
1502 static bool main_loop_should_exit(void)
1504 RunState r;
1505 if (qemu_debug_requested()) {
1506 vm_stop(RUN_STATE_DEBUG);
1508 if (qemu_suspend_requested()) {
1509 qemu_system_suspend();
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;
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);
1530 if (qemu_powerdown_requested()) {
1531 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1532 qemu_irq_raise(qemu_system_powerdown);
1534 if (qemu_vmstop_requested(&r)) {
1535 vm_stop(r);
1537 return false;
1540 static void main_loop(void)
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());
1559 static void version(void)
1561 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1564 static void help(int exitcode)
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());
1571 #define QEMU_OPTIONS_GENERATE_HELP
1572 #include "qemu-options-wrapper.h"
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");
1581 exit(exitcode);
1584 #define HAS_ARG 0x0001
1586 typedef struct QEMUOption {
1587 const char *name;
1588 int flags;
1589 int index;
1590 uint32_t arch_mask;
1591 } QEMUOption;
1593 static 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 },
1600 static bool vga_available(void)
1602 return qdev_exists("VGA") || qdev_exists("isa-vga");
1605 static bool cirrus_vga_available(void)
1607 return qdev_exists("cirrus-vga") || qdev_exists("isa-cirrus-vga");
1610 static bool vmware_vga_available(void)
1612 return qdev_exists("vmware-svga");
1615 static void select_vgahw (const char *p)
1617 const char *opts;
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);
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);
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);
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);
1650 while (*opts) {
1651 const char *nextopt;
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;
1665 static DisplayType select_display(const char *p)
1667 const char *opts;
1668 DisplayType display = DT_DEFAULT;
1670 if (strstart(p, "sdl", &opts)) {
1671 #ifdef CONFIG_SDL
1672 display = DT_SDL;
1673 while (*opts) {
1674 const char *nextopt;
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;
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;
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;
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;
1712 } else {
1713 invalid_sdl_args:
1714 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1715 exit(1);
1717 opts = nextopt;
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++;
1727 if (*opts) {
1728 const char *nextopt;
1730 if (strstart(opts, "=", &nextopt)) {
1731 vnc_display = nextopt;
1734 if (!vnc_display) {
1735 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1736 exit(1);
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);
1756 return display;
1759 static int balloon_parse(const char *arg)
1761 QemuOpts *opts;
1763 if (strcmp(arg, "none") == 0) {
1764 return 0;
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);
1777 qemu_opt_set(opts, "driver", "virtio-balloon");
1778 return 0;
1781 return -1;
1784 char *qemu_find_file(int type, const char *name)
1786 int len;
1787 const char *subdir;
1788 char *buf;
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);
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();
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;
1812 return buf;
1815 static int device_help_func(QemuOpts *opts, void *opaque)
1817 return qdev_device_help(opts);
1820 static int device_init_func(QemuOpts *opts, void *opaque)
1822 DeviceState *dev;
1824 dev = qdev_device_add(opts);
1825 if (!dev)
1826 return -1;
1827 return 0;
1830 static int chardev_init_func(QemuOpts *opts, void *opaque)
1832 CharDriverState *chr;
1834 chr = qemu_chr_new_from_opts(opts, NULL);
1835 if (!chr)
1836 return -1;
1837 return 0;
1840 #ifdef CONFIG_VIRTFS
1841 static int fsdev_init_func(QemuOpts *opts, void *opaque)
1843 int ret;
1844 ret = qemu_fsdev_add(opts);
1846 return ret;
1848 #endif
1850 static int mon_init_func(QemuOpts *opts, void *opaque)
1852 CharDriverState *chr;
1853 const char *chardev;
1854 const char *mode;
1855 int flags;
1857 mode = qemu_opt_get(opts, "mode");
1858 if (mode == NULL) {
1859 mode = "readline";
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);
1870 if (qemu_opt_get_bool(opts, "pretty", 0))
1871 flags |= MONITOR_USE_PRETTY;
1873 if (qemu_opt_get_bool(opts, "default", 0))
1874 flags |= MONITOR_IS_DEFAULT;
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);
1883 monitor_init(chr, flags);
1884 return 0;
1887 static void monitor_parse(const char *optarg, const char *mode)
1889 static int monitor_device_index = 0;
1890 QemuOpts *opts;
1891 const char *p;
1892 char label[32];
1893 int def = 0;
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;
1903 opts = qemu_chr_parse_compat(label, optarg);
1904 if (!opts) {
1905 fprintf(stderr, "parse error: %s\n", optarg);
1906 exit(1);
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);
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++;
1922 struct 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;
1936 QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
1938 static void add_device_config(int type, const char *cmdline)
1940 struct device_config *conf;
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);
1949 static int foreach_device_config(int type, int (*func)(const char *cmdline))
1951 struct device_config *conf;
1952 int rc;
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;
1963 return 0;
1966 static int serial_parse(const char *devname)
1968 static int index = 0;
1969 char label[32];
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);
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;
1984 index++;
1985 return 0;
1988 static int parallel_parse(const char *devname)
1990 static int index = 0;
1991 char label[32];
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);
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;
2006 index++;
2007 return 0;
2010 static int virtcon_parse(const char *devname)
2012 QemuOptsList *device = qemu_find_opts("device");
2013 static int index = 0;
2014 char label[32];
2015 QemuOpts *bus_opts, *dev_opts;
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);
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");
2031 dev_opts = qemu_opts_create(device, NULL, 0);
2032 qemu_opt_set(dev_opts, "driver", "virtconsole");
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;
2041 qemu_opt_set(dev_opts, "chardev", label);
2043 index++;
2044 return 0;
2047 static int debugcon_parse(const char *devname)
2049 QemuOpts *opts;
2051 if (!qemu_chr_new("debugcon", devname, NULL)) {
2052 exit(1);
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);
2059 qemu_opt_set(opts, "driver", "isa-debugcon");
2060 qemu_opt_set(opts, "chardev", "debugcon");
2061 return 0;
2064 static QEMUMachine *machine_parse(const char *name)
2066 QEMUMachine *m, *machine = NULL;
2068 if (name) {
2069 machine = find_machine(name);
2071 if (machine) {
2072 return machine;
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);
2079 printf("%-20s %s%s\n", m->name, m->desc,
2080 m->is_default ? " (default)" : "");
2082 exit(!name || *name != '?');
2085 static int tcg_init(void)
2087 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2088 return 0;
2091 static 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 },
2103 static int configure_accelerator(void)
2105 const char *p = NULL;
2106 char buf[10];
2107 int i, ret;
2108 bool accel_initialised = 0;
2109 bool init_failed = 0;
2111 QemuOptsList *list = qemu_find_opts("machine");
2112 if (!QTAILQ_EMPTY(&list->head)) {
2113 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2116 if (p == NULL) {
2117 /* Use the default "accelerator", tcg */
2118 p = "tcg";
2121 while (!accel_initialised && *p != '\0') {
2122 if (*p == ':') {
2123 p++;
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));
2140 *(accel_list[i].allowed) = 0;
2141 } else {
2142 accel_initialised = 1;
2144 break;
2147 if (i == ARRAY_SIZE(accel_list)) {
2148 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2152 if (!accel_initialised) {
2153 fprintf(stderr, "No accelerator found!\n");
2154 exit(1);
2157 if (init_failed) {
2158 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2161 return !accel_initialised;
2164 void qemu_add_exit_notifier(Notifier *notify)
2166 notifier_list_add(&exit_notifiers, notify);
2169 void qemu_remove_exit_notifier(Notifier *notify)
2171 notifier_remove(notify);
2174 static void qemu_run_exit_notifiers(void)
2176 notifier_list_notify(&exit_notifiers, NULL);
2179 void qemu_add_machine_init_done_notifier(Notifier *notify)
2181 notifier_list_add(&machine_init_done_notifiers, notify);
2184 static void qemu_run_machine_init_done_notifiers(void)
2186 notifier_list_notify(&machine_init_done_notifiers, NULL);
2189 static const QEMUOption *lookup_opt(int argc, char **argv,
2190 const char **poptarg, int *poptind)
2192 const QEMUOption *popt;
2193 int optind = *poptind;
2194 char *r = argv[optind];
2195 const char *optarg;
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);
2208 if (!strcmp(popt->name, r + 1))
2209 break;
2210 popt++;
2212 if (popt->flags & HAS_ARG) {
2213 if (optind >= argc) {
2214 error_report("requires an argument");
2215 exit(1);
2217 optarg = argv[optind++];
2218 loc_set_cmdline(argv, optind - 2, 2);
2219 } else {
2220 optarg = NULL;
2223 *poptarg = optarg;
2224 *poptind = optind;
2226 return popt;
2229 static gpointer malloc_and_trace(gsize n_bytes)
2231 void *ptr = malloc(n_bytes);
2232 trace_g_malloc(n_bytes, ptr);
2233 return ptr;
2236 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2238 void *ptr = realloc(mem, n_bytes);
2239 trace_g_realloc(mem, n_bytes, ptr);
2240 return ptr;
2243 static void free_and_trace(gpointer mem)
2245 trace_g_free(mem);
2246 free(mem);
2249 int qemu_init_main_loop(void)
2251 return main_loop_init();
2254 int main(int argc, char **argv, char **envp)
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,
2286 const char *trace_events = NULL;
2287 const char *trace_file = NULL;
2289 atexit(qemu_run_exit_notifiers);
2290 error_set_progname(argv[0]);
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
2302 module_call_init(MODULE_INIT_QOM);
2304 runstate_init();
2306 init_clocks();
2307 rtc_clock = host_clock;
2309 qemu_cache_utils_init(envp);
2311 QLIST_INIT (&vm_change_state_head);
2312 os_setup_early_signal_handling();
2314 module_call_init(MODULE_INIT_MACHINE);
2315 machine = find_default_machine();
2316 cpu_model = NULL;
2317 ram_size = 0;
2318 snapshot = 0;
2319 cyls = heads = secs = 0;
2320 translation = BIOS_ATA_TRANSLATION_AUTO;
2322 for (i = 0; i < MAX_NODES; i++) {
2323 node_mem[i] = 0;
2324 node_cpumask[i] = 0;
2327 nb_numa_nodes = 0;
2328 nb_nics = 0;
2330 autostart= 1;
2332 /* first pass of option parsing */
2333 optind = 1;
2334 while (optind < argc) {
2335 if (argv[optind][0] != '-') {
2336 /* disk image */
2337 optind++;
2338 continue;
2339 } else {
2340 const QEMUOption *popt;
2342 popt = lookup_opt(argc, argv, &optarg, &optind);
2343 switch (popt->index) {
2344 case QEMU_OPTION_nodefconfig:
2345 defconfig=0;
2346 break;
2351 if (defconfig) {
2352 int ret;
2354 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2355 if (ret < 0 && ret != -ENOENT) {
2356 exit(1);
2359 ret = qemu_read_config_file(arch_config_name);
2360 if (ret < 0 && ret != -ENOENT) {
2361 exit(1);
2365 /* second pass of option parsing */
2366 optind = 1;
2367 for(;;) {
2368 if (optind >= argc)
2369 break;
2370 if (argv[optind][0] != '-') {
2371 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2372 } else {
2373 const QEMUOption *popt;
2375 popt = lookup_opt(argc, argv, &optarg, &optind);
2376 if (!(popt->arch_mask & arch_type)) {
2377 printf("Option %s not supported for this target\n", popt->name);
2378 exit(1);
2380 switch(popt->index) {
2381 case QEMU_OPTION_M:
2382 machine = machine_parse(optarg);
2383 break;
2384 case QEMU_OPTION_cpu:
2385 /* hw initialization will check this */
2386 cpu_model = optarg;
2387 break;
2388 case QEMU_OPTION_hda:
2390 char buf[256];
2391 if (cyls == 0)
2392 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2393 else
2394 snprintf(buf, sizeof(buf),
2395 "%s,cyls=%d,heads=%d,secs=%d%s",
2396 HD_OPTS , cyls, heads, secs,
2397 translation == BIOS_ATA_TRANSLATION_LBA ?
2398 ",trans=lba" :
2399 translation == BIOS_ATA_TRANSLATION_NONE ?
2400 ",trans=none" : "");
2401 drive_add(IF_DEFAULT, 0, optarg, buf);
2402 break;
2404 case QEMU_OPTION_hdb:
2405 case QEMU_OPTION_hdc:
2406 case QEMU_OPTION_hdd:
2407 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2408 HD_OPTS);
2409 break;
2410 case QEMU_OPTION_drive:
2411 if (drive_def(optarg) == NULL) {
2412 exit(1);
2414 break;
2415 case QEMU_OPTION_set:
2416 if (qemu_set_option(optarg) != 0)
2417 exit(1);
2418 break;
2419 case QEMU_OPTION_global:
2420 if (qemu_global_option(optarg) != 0)
2421 exit(1);
2422 break;
2423 case QEMU_OPTION_mtdblock:
2424 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2425 break;
2426 case QEMU_OPTION_sd:
2427 drive_add(IF_SD, 0, optarg, SD_OPTS);
2428 break;
2429 case QEMU_OPTION_pflash:
2430 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2431 break;
2432 case QEMU_OPTION_snapshot:
2433 snapshot = 1;
2434 break;
2435 case QEMU_OPTION_hdachs:
2437 const char *p;
2438 p = optarg;
2439 cyls = strtol(p, (char **)&p, 0);
2440 if (cyls < 1 || cyls > 16383)
2441 goto chs_fail;
2442 if (*p != ',')
2443 goto chs_fail;
2444 p++;
2445 heads = strtol(p, (char **)&p, 0);
2446 if (heads < 1 || heads > 16)
2447 goto chs_fail;
2448 if (*p != ',')
2449 goto chs_fail;
2450 p++;
2451 secs = strtol(p, (char **)&p, 0);
2452 if (secs < 1 || secs > 63)
2453 goto chs_fail;
2454 if (*p == ',') {
2455 p++;
2456 if (!strcmp(p, "none"))
2457 translation = BIOS_ATA_TRANSLATION_NONE;
2458 else if (!strcmp(p, "lba"))
2459 translation = BIOS_ATA_TRANSLATION_LBA;
2460 else if (!strcmp(p, "auto"))
2461 translation = BIOS_ATA_TRANSLATION_AUTO;
2462 else
2463 goto chs_fail;
2464 } else if (*p != '\0') {
2465 chs_fail:
2466 fprintf(stderr, "qemu: invalid physical CHS format\n");
2467 exit(1);
2469 if (hda_opts != NULL) {
2470 char num[16];
2471 snprintf(num, sizeof(num), "%d", cyls);
2472 qemu_opt_set(hda_opts, "cyls", num);
2473 snprintf(num, sizeof(num), "%d", heads);
2474 qemu_opt_set(hda_opts, "heads", num);
2475 snprintf(num, sizeof(num), "%d", secs);
2476 qemu_opt_set(hda_opts, "secs", num);
2477 if (translation == BIOS_ATA_TRANSLATION_LBA)
2478 qemu_opt_set(hda_opts, "trans", "lba");
2479 if (translation == BIOS_ATA_TRANSLATION_NONE)
2480 qemu_opt_set(hda_opts, "trans", "none");
2483 break;
2484 case QEMU_OPTION_numa:
2485 if (nb_numa_nodes >= MAX_NODES) {
2486 fprintf(stderr, "qemu: too many NUMA nodes\n");
2487 exit(1);
2489 numa_add(optarg);
2490 break;
2491 case QEMU_OPTION_display:
2492 display_type = select_display(optarg);
2493 break;
2494 case QEMU_OPTION_nographic:
2495 display_type = DT_NOGRAPHIC;
2496 break;
2497 case QEMU_OPTION_curses:
2498 #ifdef CONFIG_CURSES
2499 display_type = DT_CURSES;
2500 #else
2501 fprintf(stderr, "Curses support is disabled\n");
2502 exit(1);
2503 #endif
2504 break;
2505 case QEMU_OPTION_portrait:
2506 graphic_rotate = 90;
2507 break;
2508 case QEMU_OPTION_rotate:
2509 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2510 if (graphic_rotate != 0 && graphic_rotate != 90 &&
2511 graphic_rotate != 180 && graphic_rotate != 270) {
2512 fprintf(stderr,
2513 "qemu: only 90, 180, 270 deg rotation is available\n");
2514 exit(1);
2516 break;
2517 case QEMU_OPTION_kernel:
2518 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
2519 break;
2520 case QEMU_OPTION_initrd:
2521 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
2522 break;
2523 case QEMU_OPTION_append:
2524 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
2525 break;
2526 case QEMU_OPTION_dtb:
2527 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
2528 break;
2529 case QEMU_OPTION_cdrom:
2530 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2531 break;
2532 case QEMU_OPTION_boot:
2534 static const char * const params[] = {
2535 "order", "once", "menu",
2536 "splash", "splash-time", NULL
2538 char buf[sizeof(boot_devices)];
2539 char *standard_boot_devices;
2540 int legacy = 0;
2542 if (!strchr(optarg, '=')) {
2543 legacy = 1;
2544 pstrcpy(buf, sizeof(buf), optarg);
2545 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2546 fprintf(stderr,
2547 "qemu: unknown boot parameter '%s' in '%s'\n",
2548 buf, optarg);
2549 exit(1);
2552 if (legacy ||
2553 get_param_value(buf, sizeof(buf), "order", optarg)) {
2554 validate_bootdevices(buf);
2555 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2557 if (!legacy) {
2558 if (get_param_value(buf, sizeof(buf),
2559 "once", optarg)) {
2560 validate_bootdevices(buf);
2561 standard_boot_devices = g_strdup(boot_devices);
2562 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2563 qemu_register_reset(restore_boot_devices,
2564 standard_boot_devices);
2566 if (get_param_value(buf, sizeof(buf),
2567 "menu", optarg)) {
2568 if (!strcmp(buf, "on")) {
2569 boot_menu = 1;
2570 } else if (!strcmp(buf, "off")) {
2571 boot_menu = 0;
2572 } else {
2573 fprintf(stderr,
2574 "qemu: invalid option value '%s'\n",
2575 buf);
2576 exit(1);
2579 qemu_opts_parse(qemu_find_opts("boot-opts"),
2580 optarg, 0);
2583 break;
2584 case QEMU_OPTION_fda:
2585 case QEMU_OPTION_fdb:
2586 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2587 optarg, FD_OPTS);
2588 break;
2589 case QEMU_OPTION_no_fd_bootchk:
2590 fd_bootchk = 0;
2591 break;
2592 case QEMU_OPTION_netdev:
2593 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2594 exit(1);
2596 break;
2597 case QEMU_OPTION_net:
2598 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2599 exit(1);
2601 break;
2602 #ifdef CONFIG_LIBISCSI
2603 case QEMU_OPTION_iscsi:
2604 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
2605 if (!opts) {
2606 exit(1);
2608 break;
2609 #endif
2610 #ifdef CONFIG_SLIRP
2611 case QEMU_OPTION_tftp:
2612 legacy_tftp_prefix = optarg;
2613 break;
2614 case QEMU_OPTION_bootp:
2615 legacy_bootp_filename = optarg;
2616 break;
2617 case QEMU_OPTION_redir:
2618 if (net_slirp_redir(optarg) < 0)
2619 exit(1);
2620 break;
2621 #endif
2622 case QEMU_OPTION_bt:
2623 add_device_config(DEV_BT, optarg);
2624 break;
2625 case QEMU_OPTION_audio_help:
2626 if (!(audio_available())) {
2627 printf("Option %s not supported for this target\n", popt->name);
2628 exit(1);
2630 AUD_help ();
2631 exit (0);
2632 break;
2633 case QEMU_OPTION_soundhw:
2634 if (!(audio_available())) {
2635 printf("Option %s not supported for this target\n", popt->name);
2636 exit(1);
2638 select_soundhw (optarg);
2639 break;
2640 case QEMU_OPTION_h:
2641 help(0);
2642 break;
2643 case QEMU_OPTION_version:
2644 version();
2645 exit(0);
2646 break;
2647 case QEMU_OPTION_m: {
2648 int64_t value;
2649 char *end;
2651 value = strtosz(optarg, &end);
2652 if (value < 0 || *end) {
2653 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2654 exit(1);
2657 if (value != (uint64_t)(ram_addr_t)value) {
2658 fprintf(stderr, "qemu: ram size too large\n");
2659 exit(1);
2661 ram_size = value;
2662 break;
2664 case QEMU_OPTION_mempath:
2665 mem_path = optarg;
2666 break;
2667 #ifdef MAP_POPULATE
2668 case QEMU_OPTION_mem_prealloc:
2669 mem_prealloc = 1;
2670 break;
2671 #endif
2672 case QEMU_OPTION_d:
2673 log_mask = optarg;
2674 break;
2675 case QEMU_OPTION_D:
2676 log_file = optarg;
2677 break;
2678 case QEMU_OPTION_s:
2679 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
2680 break;
2681 case QEMU_OPTION_gdb:
2682 add_device_config(DEV_GDB, optarg);
2683 break;
2684 case QEMU_OPTION_L:
2685 data_dir = optarg;
2686 break;
2687 case QEMU_OPTION_bios:
2688 bios_name = optarg;
2689 break;
2690 case QEMU_OPTION_singlestep:
2691 singlestep = 1;
2692 break;
2693 case QEMU_OPTION_S:
2694 autostart = 0;
2695 break;
2696 case QEMU_OPTION_k:
2697 keyboard_layout = optarg;
2698 break;
2699 case QEMU_OPTION_localtime:
2700 rtc_utc = 0;
2701 break;
2702 case QEMU_OPTION_vga:
2703 vga_model = optarg;
2704 break;
2705 case QEMU_OPTION_g:
2707 const char *p;
2708 int w, h, depth;
2709 p = optarg;
2710 w = strtol(p, (char **)&p, 10);
2711 if (w <= 0) {
2712 graphic_error:
2713 fprintf(stderr, "qemu: invalid resolution or depth\n");
2714 exit(1);
2716 if (*p != 'x')
2717 goto graphic_error;
2718 p++;
2719 h = strtol(p, (char **)&p, 10);
2720 if (h <= 0)
2721 goto graphic_error;
2722 if (*p == 'x') {
2723 p++;
2724 depth = strtol(p, (char **)&p, 10);
2725 if (depth != 8 && depth != 15 && depth != 16 &&
2726 depth != 24 && depth != 32)
2727 goto graphic_error;
2728 } else if (*p == '\0') {
2729 depth = graphic_depth;
2730 } else {
2731 goto graphic_error;
2734 graphic_width = w;
2735 graphic_height = h;
2736 graphic_depth = depth;
2738 break;
2739 case QEMU_OPTION_echr:
2741 char *r;
2742 term_escape_char = strtol(optarg, &r, 0);
2743 if (r == optarg)
2744 printf("Bad argument to echr\n");
2745 break;
2747 case QEMU_OPTION_monitor:
2748 monitor_parse(optarg, "readline");
2749 default_monitor = 0;
2750 break;
2751 case QEMU_OPTION_qmp:
2752 monitor_parse(optarg, "control");
2753 default_monitor = 0;
2754 break;
2755 case QEMU_OPTION_mon:
2756 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2757 if (!opts) {
2758 exit(1);
2760 default_monitor = 0;
2761 break;
2762 case QEMU_OPTION_chardev:
2763 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2764 if (!opts) {
2765 exit(1);
2767 break;
2768 case QEMU_OPTION_fsdev:
2769 olist = qemu_find_opts("fsdev");
2770 if (!olist) {
2771 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2772 exit(1);
2774 opts = qemu_opts_parse(olist, optarg, 1);
2775 if (!opts) {
2776 fprintf(stderr, "parse error: %s\n", optarg);
2777 exit(1);
2779 break;
2780 case QEMU_OPTION_virtfs: {
2781 QemuOpts *fsdev;
2782 QemuOpts *device;
2783 const char *writeout, *sock_fd, *socket;
2785 olist = qemu_find_opts("virtfs");
2786 if (!olist) {
2787 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2788 exit(1);
2790 opts = qemu_opts_parse(olist, optarg, 1);
2791 if (!opts) {
2792 fprintf(stderr, "parse error: %s\n", optarg);
2793 exit(1);
2796 if (qemu_opt_get(opts, "fsdriver") == NULL ||
2797 qemu_opt_get(opts, "mount_tag") == NULL) {
2798 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
2799 exit(1);
2801 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
2802 qemu_opt_get(opts, "mount_tag"), 1);
2803 if (!fsdev) {
2804 fprintf(stderr, "duplicate fsdev id: %s\n",
2805 qemu_opt_get(opts, "mount_tag"));
2806 exit(1);
2809 writeout = qemu_opt_get(opts, "writeout");
2810 if (writeout) {
2811 #ifdef CONFIG_SYNC_FILE_RANGE
2812 qemu_opt_set(fsdev, "writeout", writeout);
2813 #else
2814 fprintf(stderr, "writeout=immediate not supported on "
2815 "this platform\n");
2816 exit(1);
2817 #endif
2819 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
2820 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
2821 qemu_opt_set(fsdev, "security_model",
2822 qemu_opt_get(opts, "security_model"));
2823 socket = qemu_opt_get(opts, "socket");
2824 if (socket) {
2825 qemu_opt_set(fsdev, "socket", socket);
2827 sock_fd = qemu_opt_get(opts, "sock_fd");
2828 if (sock_fd) {
2829 qemu_opt_set(fsdev, "sock_fd", sock_fd);
2832 qemu_opt_set_bool(fsdev, "readonly",
2833 qemu_opt_get_bool(opts, "readonly", 0));
2834 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
2835 qemu_opt_set(device, "driver", "virtio-9p-pci");
2836 qemu_opt_set(device, "fsdev",
2837 qemu_opt_get(opts, "mount_tag"));
2838 qemu_opt_set(device, "mount_tag",
2839 qemu_opt_get(opts, "mount_tag"));
2840 break;
2842 case QEMU_OPTION_virtfs_synth: {
2843 QemuOpts *fsdev;
2844 QemuOpts *device;
2846 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth", 1);
2847 if (!fsdev) {
2848 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
2849 exit(1);
2851 qemu_opt_set(fsdev, "fsdriver", "synth");
2853 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
2854 qemu_opt_set(device, "driver", "virtio-9p-pci");
2855 qemu_opt_set(device, "fsdev", "v_synth");
2856 qemu_opt_set(device, "mount_tag", "v_synth");
2857 break;
2859 case QEMU_OPTION_serial:
2860 add_device_config(DEV_SERIAL, optarg);
2861 default_serial = 0;
2862 if (strncmp(optarg, "mon:", 4) == 0) {
2863 default_monitor = 0;
2865 break;
2866 case QEMU_OPTION_watchdog:
2867 if (watchdog) {
2868 fprintf(stderr,
2869 "qemu: only one watchdog option may be given\n");
2870 return 1;
2872 watchdog = optarg;
2873 break;
2874 case QEMU_OPTION_watchdog_action:
2875 if (select_watchdog_action(optarg) == -1) {
2876 fprintf(stderr, "Unknown -watchdog-action parameter\n");
2877 exit(1);
2879 break;
2880 case QEMU_OPTION_virtiocon:
2881 add_device_config(DEV_VIRTCON, optarg);
2882 default_virtcon = 0;
2883 if (strncmp(optarg, "mon:", 4) == 0) {
2884 default_monitor = 0;
2886 break;
2887 case QEMU_OPTION_parallel:
2888 add_device_config(DEV_PARALLEL, optarg);
2889 default_parallel = 0;
2890 if (strncmp(optarg, "mon:", 4) == 0) {
2891 default_monitor = 0;
2893 break;
2894 case QEMU_OPTION_debugcon:
2895 add_device_config(DEV_DEBUGCON, optarg);
2896 break;
2897 case QEMU_OPTION_loadvm:
2898 loadvm = optarg;
2899 break;
2900 case QEMU_OPTION_full_screen:
2901 full_screen = 1;
2902 break;
2903 #ifdef CONFIG_SDL
2904 case QEMU_OPTION_no_frame:
2905 no_frame = 1;
2906 break;
2907 case QEMU_OPTION_alt_grab:
2908 alt_grab = 1;
2909 break;
2910 case QEMU_OPTION_ctrl_grab:
2911 ctrl_grab = 1;
2912 break;
2913 case QEMU_OPTION_no_quit:
2914 no_quit = 1;
2915 break;
2916 case QEMU_OPTION_sdl:
2917 display_type = DT_SDL;
2918 break;
2919 #else
2920 case QEMU_OPTION_no_frame:
2921 case QEMU_OPTION_alt_grab:
2922 case QEMU_OPTION_ctrl_grab:
2923 case QEMU_OPTION_no_quit:
2924 case QEMU_OPTION_sdl:
2925 fprintf(stderr, "SDL support is disabled\n");
2926 exit(1);
2927 #endif
2928 case QEMU_OPTION_pidfile:
2929 pid_file = optarg;
2930 break;
2931 case QEMU_OPTION_win2k_hack:
2932 win2k_install_hack = 1;
2933 break;
2934 case QEMU_OPTION_rtc_td_hack: {
2935 static GlobalProperty slew_lost_ticks[] = {
2937 .driver = "mc146818rtc",
2938 .property = "lost_tick_policy",
2939 .value = "slew",
2941 { /* end of list */ }
2944 qdev_prop_register_global_list(slew_lost_ticks);
2945 break;
2947 case QEMU_OPTION_acpitable:
2948 do_acpitable_option(optarg);
2949 break;
2950 case QEMU_OPTION_smbios:
2951 do_smbios_option(optarg);
2952 break;
2953 case QEMU_OPTION_enable_kvm:
2954 olist = qemu_find_opts("machine");
2955 qemu_opts_parse(olist, "accel=kvm", 0);
2956 break;
2957 case QEMU_OPTION_machine:
2958 olist = qemu_find_opts("machine");
2959 opts = qemu_opts_parse(olist, optarg, 1);
2960 if (!opts) {
2961 fprintf(stderr, "parse error: %s\n", optarg);
2962 exit(1);
2964 optarg = qemu_opt_get(opts, "type");
2965 if (optarg) {
2966 machine = machine_parse(optarg);
2968 break;
2969 case QEMU_OPTION_usb:
2970 usb_enabled = 1;
2971 break;
2972 case QEMU_OPTION_usbdevice:
2973 usb_enabled = 1;
2974 add_device_config(DEV_USB, optarg);
2975 break;
2976 case QEMU_OPTION_device:
2977 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
2978 exit(1);
2980 break;
2981 case QEMU_OPTION_smp:
2982 smp_parse(optarg);
2983 if (smp_cpus < 1) {
2984 fprintf(stderr, "Invalid number of CPUs\n");
2985 exit(1);
2987 if (max_cpus < smp_cpus) {
2988 fprintf(stderr, "maxcpus must be equal to or greater than "
2989 "smp\n");
2990 exit(1);
2992 if (max_cpus > 255) {
2993 fprintf(stderr, "Unsupported number of maxcpus\n");
2994 exit(1);
2996 break;
2997 case QEMU_OPTION_vnc:
2998 #ifdef CONFIG_VNC
2999 display_remote++;
3000 vnc_display = optarg;
3001 #else
3002 fprintf(stderr, "VNC support is disabled\n");
3003 exit(1);
3004 #endif
3005 break;
3006 case QEMU_OPTION_no_acpi:
3007 acpi_enabled = 0;
3008 break;
3009 case QEMU_OPTION_no_hpet:
3010 no_hpet = 1;
3011 break;
3012 case QEMU_OPTION_balloon:
3013 if (balloon_parse(optarg) < 0) {
3014 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3015 exit(1);
3017 break;
3018 case QEMU_OPTION_no_reboot:
3019 no_reboot = 1;
3020 break;
3021 case QEMU_OPTION_no_shutdown:
3022 no_shutdown = 1;
3023 break;
3024 case QEMU_OPTION_show_cursor:
3025 cursor_hide = 0;
3026 break;
3027 case QEMU_OPTION_uuid:
3028 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3029 fprintf(stderr, "Fail to parse UUID string."
3030 " Wrong format.\n");
3031 exit(1);
3033 break;
3034 case QEMU_OPTION_option_rom:
3035 if (nb_option_roms >= MAX_OPTION_ROMS) {
3036 fprintf(stderr, "Too many option ROMs\n");
3037 exit(1);
3039 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3040 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3041 option_rom[nb_option_roms].bootindex =
3042 qemu_opt_get_number(opts, "bootindex", -1);
3043 if (!option_rom[nb_option_roms].name) {
3044 fprintf(stderr, "Option ROM file is not specified\n");
3045 exit(1);
3047 nb_option_roms++;
3048 break;
3049 case QEMU_OPTION_semihosting:
3050 semihosting_enabled = 1;
3051 break;
3052 case QEMU_OPTION_name:
3053 qemu_name = g_strdup(optarg);
3055 char *p = strchr(qemu_name, ',');
3056 if (p != NULL) {
3057 *p++ = 0;
3058 if (strncmp(p, "process=", 8)) {
3059 fprintf(stderr, "Unknown subargument %s to -name\n", p);
3060 exit(1);
3062 p += 8;
3063 os_set_proc_name(p);
3066 break;
3067 case QEMU_OPTION_prom_env:
3068 if (nb_prom_envs >= MAX_PROM_ENVS) {
3069 fprintf(stderr, "Too many prom variables\n");
3070 exit(1);
3072 prom_envs[nb_prom_envs] = optarg;
3073 nb_prom_envs++;
3074 break;
3075 case QEMU_OPTION_old_param:
3076 old_param = 1;
3077 break;
3078 case QEMU_OPTION_clock:
3079 configure_alarms(optarg);
3080 break;
3081 case QEMU_OPTION_startdate:
3082 configure_rtc_date_offset(optarg, 1);
3083 break;
3084 case QEMU_OPTION_rtc:
3085 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3086 if (!opts) {
3087 exit(1);
3089 configure_rtc(opts);
3090 break;
3091 case QEMU_OPTION_tb_size:
3092 tcg_tb_size = strtol(optarg, NULL, 0);
3093 if (tcg_tb_size < 0) {
3094 tcg_tb_size = 0;
3096 break;
3097 case QEMU_OPTION_icount:
3098 icount_option = optarg;
3099 break;
3100 case QEMU_OPTION_incoming:
3101 incoming = optarg;
3102 break;
3103 case QEMU_OPTION_nodefaults:
3104 default_serial = 0;
3105 default_parallel = 0;
3106 default_virtcon = 0;
3107 default_monitor = 0;
3108 default_net = 0;
3109 default_floppy = 0;
3110 default_cdrom = 0;
3111 default_sdcard = 0;
3112 vga_model = "none";
3113 break;
3114 case QEMU_OPTION_xen_domid:
3115 if (!(xen_available())) {
3116 printf("Option %s not supported for this target\n", popt->name);
3117 exit(1);
3119 xen_domid = atoi(optarg);
3120 break;
3121 case QEMU_OPTION_xen_create:
3122 if (!(xen_available())) {
3123 printf("Option %s not supported for this target\n", popt->name);
3124 exit(1);
3126 xen_mode = XEN_CREATE;
3127 break;
3128 case QEMU_OPTION_xen_attach:
3129 if (!(xen_available())) {
3130 printf("Option %s not supported for this target\n", popt->name);
3131 exit(1);
3133 xen_mode = XEN_ATTACH;
3134 break;
3135 case QEMU_OPTION_trace:
3137 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3138 if (!opts) {
3139 exit(1);
3141 trace_events = qemu_opt_get(opts, "events");
3142 trace_file = qemu_opt_get(opts, "file");
3143 break;
3145 case QEMU_OPTION_readconfig:
3147 int ret = qemu_read_config_file(optarg);
3148 if (ret < 0) {
3149 fprintf(stderr, "read config %s: %s\n", optarg,
3150 strerror(-ret));
3151 exit(1);
3153 break;
3155 case QEMU_OPTION_spice:
3156 olist = qemu_find_opts("spice");
3157 if (!olist) {
3158 fprintf(stderr, "spice is not supported by this qemu build.\n");
3159 exit(1);
3161 opts = qemu_opts_parse(olist, optarg, 0);
3162 if (!opts) {
3163 fprintf(stderr, "parse error: %s\n", optarg);
3164 exit(1);
3166 break;
3167 case QEMU_OPTION_writeconfig:
3169 FILE *fp;
3170 if (strcmp(optarg, "-") == 0) {
3171 fp = stdout;
3172 } else {
3173 fp = fopen(optarg, "w");
3174 if (fp == NULL) {
3175 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3176 exit(1);
3179 qemu_config_write(fp);
3180 fclose(fp);
3181 break;
3183 default:
3184 os_parse_cmd_args(popt->index, optarg);
3188 loc_set_none();
3190 /* Init CPU def lists, based on config
3191 * - Must be called after all the qemu_read_config_file() calls
3192 * - Must be called before list_cpus()
3193 * - Must be called before machine->init()
3195 cpudef_init();
3197 if (cpu_model && *cpu_model == '?') {
3198 list_cpus(stdout, &fprintf, optarg);
3199 exit(0);
3202 /* Open the logfile at this point, if necessary. We can't open the logfile
3203 * when encountering either of the logging options (-d or -D) because the
3204 * other one may be encountered later on the command line, changing the
3205 * location or level of logging.
3207 if (log_mask) {
3208 if (log_file) {
3209 set_cpu_log_filename(log_file);
3211 set_cpu_log(log_mask);
3214 if (!trace_backend_init(trace_events, trace_file)) {
3215 exit(1);
3218 /* If no data_dir is specified then try to find it relative to the
3219 executable path. */
3220 if (!data_dir) {
3221 data_dir = os_find_datadir(argv[0]);
3223 /* If all else fails use the install path specified when building. */
3224 if (!data_dir) {
3225 data_dir = CONFIG_QEMU_DATADIR;
3228 if (machine == NULL) {
3229 fprintf(stderr, "No machine found.\n");
3230 exit(1);
3234 * Default to max_cpus = smp_cpus, in case the user doesn't
3235 * specify a max_cpus value.
3237 if (!max_cpus)
3238 max_cpus = smp_cpus;
3240 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3241 if (smp_cpus > machine->max_cpus) {
3242 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3243 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
3244 machine->max_cpus);
3245 exit(1);
3249 * Get the default machine options from the machine if it is not already
3250 * specified either by the configuration file or by the command line.
3252 if (machine->default_machine_opts) {
3253 qemu_opts_set_defaults(qemu_find_opts("machine"),
3254 machine->default_machine_opts, 0);
3257 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3258 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3260 if (machine->no_serial) {
3261 default_serial = 0;
3263 if (machine->no_parallel) {
3264 default_parallel = 0;
3266 if (!machine->use_virtcon) {
3267 default_virtcon = 0;
3269 if (machine->no_floppy) {
3270 default_floppy = 0;
3272 if (machine->no_cdrom) {
3273 default_cdrom = 0;
3275 if (machine->no_sdcard) {
3276 default_sdcard = 0;
3279 if (display_type == DT_NOGRAPHIC) {
3280 if (default_parallel)
3281 add_device_config(DEV_PARALLEL, "null");
3282 if (default_serial && default_monitor) {
3283 add_device_config(DEV_SERIAL, "mon:stdio");
3284 } else if (default_virtcon && default_monitor) {
3285 add_device_config(DEV_VIRTCON, "mon:stdio");
3286 } else {
3287 if (default_serial)
3288 add_device_config(DEV_SERIAL, "stdio");
3289 if (default_virtcon)
3290 add_device_config(DEV_VIRTCON, "stdio");
3291 if (default_monitor)
3292 monitor_parse("stdio", "readline");
3294 } else {
3295 if (default_serial)
3296 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3297 if (default_parallel)
3298 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3299 if (default_monitor)
3300 monitor_parse("vc:80Cx24C", "readline");
3301 if (default_virtcon)
3302 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3305 socket_init();
3307 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3308 exit(1);
3309 #ifdef CONFIG_VIRTFS
3310 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3311 exit(1);
3313 #endif
3315 os_daemonize();
3317 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3318 os_pidfile_error();
3319 exit(1);
3322 /* init the memory */
3323 if (ram_size == 0) {
3324 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3327 configure_accelerator();
3329 qemu_init_cpu_loop();
3330 if (qemu_init_main_loop()) {
3331 fprintf(stderr, "qemu_init_main_loop failed\n");
3332 exit(1);
3335 machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3336 if (machine_opts) {
3337 kernel_filename = qemu_opt_get(machine_opts, "kernel");
3338 initrd_filename = qemu_opt_get(machine_opts, "initrd");
3339 kernel_cmdline = qemu_opt_get(machine_opts, "append");
3340 } else {
3341 kernel_filename = initrd_filename = kernel_cmdline = NULL;
3344 if (!kernel_cmdline) {
3345 kernel_cmdline = "";
3348 linux_boot = (kernel_filename != NULL);
3350 if (!linux_boot && *kernel_cmdline != '\0') {
3351 fprintf(stderr, "-append only allowed with -kernel option\n");
3352 exit(1);
3355 if (!linux_boot && initrd_filename != NULL) {
3356 fprintf(stderr, "-initrd only allowed with -kernel option\n");
3357 exit(1);
3360 if (!linux_boot && machine_opts && qemu_opt_get(machine_opts, "dtb")) {
3361 fprintf(stderr, "-dtb only allowed with -kernel option\n");
3362 exit(1);
3365 os_set_line_buffering();
3367 if (init_timer_alarm() < 0) {
3368 fprintf(stderr, "could not initialize alarm timer\n");
3369 exit(1);
3372 if (icount_option && (kvm_enabled() || xen_enabled())) {
3373 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
3374 exit(1);
3376 configure_icount(icount_option);
3378 if (net_init_clients() < 0) {
3379 exit(1);
3382 /* init the bluetooth world */
3383 if (foreach_device_config(DEV_BT, bt_parse))
3384 exit(1);
3386 if (!xen_enabled()) {
3387 /* On 32-bit hosts, QEMU is limited by virtual address space */
3388 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
3389 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
3390 exit(1);
3394 cpu_exec_init_all();
3396 bdrv_init_with_whitelist();
3398 blk_mig_init();
3400 /* open the virtual block devices */
3401 if (snapshot)
3402 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3403 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
3404 exit(1);
3406 default_drive(default_cdrom, snapshot, machine->use_scsi,
3407 IF_DEFAULT, 2, CDROM_OPTS);
3408 default_drive(default_floppy, snapshot, machine->use_scsi,
3409 IF_FLOPPY, 0, FD_OPTS);
3410 default_drive(default_sdcard, snapshot, machine->use_scsi,
3411 IF_SD, 0, SD_OPTS);
3413 register_savevm_live(NULL, "ram", 0, 4, NULL, ram_save_live, NULL,
3414 ram_load, NULL);
3416 if (nb_numa_nodes > 0) {
3417 int i;
3419 if (nb_numa_nodes > MAX_NODES) {
3420 nb_numa_nodes = MAX_NODES;
3423 /* If no memory size if given for any node, assume the default case
3424 * and distribute the available memory equally across all nodes
3426 for (i = 0; i < nb_numa_nodes; i++) {
3427 if (node_mem[i] != 0)
3428 break;
3430 if (i == nb_numa_nodes) {
3431 uint64_t usedmem = 0;
3433 /* On Linux, the each node's border has to be 8MB aligned,
3434 * the final node gets the rest.
3436 for (i = 0; i < nb_numa_nodes - 1; i++) {
3437 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3438 usedmem += node_mem[i];
3440 node_mem[i] = ram_size - usedmem;
3443 for (i = 0; i < nb_numa_nodes; i++) {
3444 if (node_cpumask[i] != 0)
3445 break;
3447 /* assigning the VCPUs round-robin is easier to implement, guest OSes
3448 * must cope with this anyway, because there are BIOSes out there in
3449 * real machines which also use this scheme.
3451 if (i == nb_numa_nodes) {
3452 for (i = 0; i < max_cpus; i++) {
3453 node_cpumask[i % nb_numa_nodes] |= 1 << i;
3458 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3459 exit(1);
3462 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3463 exit(1);
3464 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3465 exit(1);
3466 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3467 exit(1);
3468 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3469 exit(1);
3471 /* must be after qdev registration but before machine init */
3472 if (vga_model) {
3473 select_vgahw(vga_model);
3474 } else if (cirrus_vga_available()) {
3475 select_vgahw("cirrus");
3476 } else {
3477 select_vgahw("none");
3480 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) != 0)
3481 exit(0);
3483 if (watchdog) {
3484 i = select_watchdog(watchdog);
3485 if (i > 0)
3486 exit (i == 1 ? 1 : 0);
3489 if (machine->compat_props) {
3490 qdev_prop_register_global_list(machine->compat_props);
3492 qemu_add_globals();
3494 qdev_machine_init();
3496 machine->init(ram_size, boot_devices,
3497 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3499 cpu_synchronize_all_post_init();
3501 set_numa_modes();
3503 current_machine = machine;
3505 /* init USB devices */
3506 if (usb_enabled) {
3507 if (foreach_device_config(DEV_USB, usb_parse) < 0)
3508 exit(1);
3511 /* init generic devices */
3512 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3513 exit(1);
3515 net_check_clients();
3517 /* just use the first displaystate for the moment */
3518 ds = get_displaystate();
3520 if (using_spice)
3521 display_remote++;
3522 if (display_type == DT_DEFAULT && !display_remote) {
3523 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3524 display_type = DT_SDL;
3525 #elif defined(CONFIG_VNC)
3526 vnc_display = "localhost:0,to=99";
3527 show_vnc_port = 1;
3528 #else
3529 display_type = DT_NONE;
3530 #endif
3534 /* init local displays */
3535 switch (display_type) {
3536 case DT_NOGRAPHIC:
3537 break;
3538 #if defined(CONFIG_CURSES)
3539 case DT_CURSES:
3540 curses_display_init(ds, full_screen);
3541 break;
3542 #endif
3543 #if defined(CONFIG_SDL)
3544 case DT_SDL:
3545 sdl_display_init(ds, full_screen, no_frame);
3546 break;
3547 #elif defined(CONFIG_COCOA)
3548 case DT_SDL:
3549 cocoa_display_init(ds, full_screen);
3550 break;
3551 #endif
3552 default:
3553 break;
3556 /* must be after terminal init, SDL library changes signal handlers */
3557 os_setup_signal_handling();
3559 #ifdef CONFIG_VNC
3560 /* init remote displays */
3561 if (vnc_display) {
3562 vnc_display_init(ds);
3563 if (vnc_display_open(ds, vnc_display) < 0)
3564 exit(1);
3566 if (show_vnc_port) {
3567 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3570 #endif
3571 #ifdef CONFIG_SPICE
3572 if (using_spice && !qxl_enabled) {
3573 qemu_spice_display_init(ds);
3575 #endif
3577 /* display setup */
3578 dpy_resize(ds);
3579 dcl = ds->listeners;
3580 while (dcl != NULL) {
3581 if (dcl->dpy_refresh != NULL) {
3582 ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
3583 qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
3584 break;
3586 dcl = dcl->next;
3588 text_consoles_set_display(ds);
3590 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
3591 exit(1);
3594 qdev_machine_creation_done();
3596 if (rom_load_all() != 0) {
3597 fprintf(stderr, "rom loading failed\n");
3598 exit(1);
3601 /* TODO: once all bus devices are qdevified, this should be done
3602 * when bus is created by qdev.c */
3603 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3604 qemu_run_machine_init_done_notifiers();
3606 qemu_system_reset(VMRESET_SILENT);
3607 if (loadvm) {
3608 if (load_vmstate(loadvm) < 0) {
3609 autostart = 0;
3613 if (incoming) {
3614 runstate_set(RUN_STATE_INMIGRATE);
3615 int ret = qemu_start_incoming_migration(incoming);
3616 if (ret < 0) {
3617 fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
3618 incoming, ret);
3619 exit(ret);
3621 } else if (autostart) {
3622 vm_start();
3625 os_setup_post();
3627 resume_all_vcpus();
3628 main_loop();
3629 bdrv_close_all();
3630 pause_all_vcpus();
3631 net_cleanup();
3632 res_free();
3634 return 0;