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
25 #include "hw/boards.h"
27 #include "hw/pcmcia.h"
29 #include "hw/audiodev.h"
37 #include "qemu-timer.h"
38 #include "qemu-char.h"
40 #include "audio/audio.h"
41 #include "migration.h"
53 #include <sys/times.h>
57 #include <sys/ioctl.h>
58 #include <sys/socket.h>
59 #include <netinet/in.h>
62 #include <sys/select.h>
63 #include <arpa/inet.h>
66 #if !defined(__APPLE__) && !defined(__OpenBSD__)
72 #elif defined (__GLIBC__) && defined (__FreeBSD_kernel__)
73 #include <freebsd/stdlib.h>
77 #include <linux/if_tun.h>
80 #include <linux/rtc.h>
82 /* For the benefit of older linux systems which don't supply it,
83 we use a local copy of hpet.h. */
84 /* #include <linux/hpet.h> */
87 #include <linux/ppdev.h>
88 #include <linux/parport.h>
92 #include <sys/ethernet.h>
93 #include <sys/sockio.h>
94 #include <netinet/arp.h>
95 #include <netinet/in.h>
96 #include <netinet/in_systm.h>
97 #include <netinet/ip.h>
98 #include <netinet/ip_icmp.h> // must come after ip.h
99 #include <netinet/udp.h>
100 #include <netinet/tcp.h>
108 #include "qemu_socket.h"
110 #if defined(CONFIG_SLIRP)
111 #include "libslirp.h"
114 #if defined(__OpenBSD__)
118 #if defined(CONFIG_VDE)
119 #include <libvdeplug.h>
124 #include <sys/timeb.h>
125 #include <mmsystem.h>
126 #define getopt_long_only getopt_long
127 #define memalign(align, size) malloc(size)
134 #endif /* CONFIG_SDL */
138 #define main qemu_main
139 #endif /* CONFIG_COCOA */
143 #include "exec-all.h"
145 #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
146 #define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown"
148 #define SMBD_COMMAND "/usr/sfw/sbin/smbd"
150 #define SMBD_COMMAND "/usr/sbin/smbd"
153 //#define DEBUG_UNUSED_IOPORT
154 //#define DEBUG_IOPORT
156 //#define DEBUG_SLIRP
159 #define DEFAULT_RAM_SIZE 144
161 #define DEFAULT_RAM_SIZE 128
164 /* Max number of USB devices that can be specified on the commandline. */
165 #define MAX_USB_CMDLINE 8
167 /* XXX: use a two level table to limit memory usage */
168 #define MAX_IOPORTS 65536
170 const char *bios_dir = CONFIG_QEMU_SHAREDIR;
171 const char *bios_name = NULL;
172 static void *ioport_opaque[MAX_IOPORTS];
173 static IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS];
174 static IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS];
175 /* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available
176 to store the VM snapshots */
177 DriveInfo drives_table[MAX_DRIVES+1];
179 /* point to the block driver where the snapshots are managed */
180 static BlockDriverState *bs_snapshots;
181 static int vga_ram_size;
182 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
183 DisplayState display_state;
186 const char* keyboard_layout = NULL;
187 int64_t ticks_per_sec;
190 NICInfo nd_table[MAX_NICS];
192 static int rtc_utc = 1;
193 static int rtc_date_offset = -1; /* -1 means no change */
194 int cirrus_vga_enabled = 1;
195 int vmsvga_enabled = 0;
197 int graphic_width = 1024;
198 int graphic_height = 768;
199 int graphic_depth = 8;
201 int graphic_width = 800;
202 int graphic_height = 600;
203 int graphic_depth = 15;
205 static int full_screen = 0;
206 static int no_frame = 0;
208 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
209 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
211 int win2k_install_hack = 0;
215 const char *vnc_display;
216 int acpi_enabled = 1;
221 int graphic_rotate = 0;
223 const char *option_rom[MAX_OPTION_ROMS];
225 int semihosting_enabled = 0;
229 const char *qemu_name;
232 unsigned int nb_prom_envs = 0;
233 const char *prom_envs[MAX_PROM_ENVS];
235 static int nb_drives_opt;
236 static struct drive_opt {
239 } drives_opt[MAX_DRIVES];
241 static CPUState *cur_cpu;
242 static CPUState *next_cpu;
243 static int event_pending = 1;
244 /* Conversion factor from emulated instructions to virtual clock ticks. */
245 static int icount_time_shift;
246 /* Arbitrarily pick 1MIPS as the minimum allowable speed. */
247 #define MAX_ICOUNT_SHIFT 10
248 /* Compensate for varying guest execution speed. */
249 static int64_t qemu_icount_bias;
250 static QEMUTimer *icount_rt_timer;
251 static QEMUTimer *icount_vm_timer;
253 uint8_t qemu_uuid[16];
255 /***********************************************************/
256 /* x86 ISA bus support */
258 target_phys_addr_t isa_mem_base = 0;
261 static IOPortReadFunc default_ioport_readb, default_ioport_readw, default_ioport_readl;
262 static IOPortWriteFunc default_ioport_writeb, default_ioport_writew, default_ioport_writel;
264 static uint32_t ioport_read(int index, uint32_t address)
266 static IOPortReadFunc *default_func[3] = {
267 default_ioport_readb,
268 default_ioport_readw,
271 IOPortReadFunc *func = ioport_read_table[index][address];
273 func = default_func[index];
274 return func(ioport_opaque[address], address);
277 static void ioport_write(int index, uint32_t address, uint32_t data)
279 static IOPortWriteFunc *default_func[3] = {
280 default_ioport_writeb,
281 default_ioport_writew,
282 default_ioport_writel
284 IOPortWriteFunc *func = ioport_write_table[index][address];
286 func = default_func[index];
287 func(ioport_opaque[address], address, data);
290 static uint32_t default_ioport_readb(void *opaque, uint32_t address)
292 #ifdef DEBUG_UNUSED_IOPORT
293 fprintf(stderr, "unused inb: port=0x%04x\n", address);
298 static void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data)
300 #ifdef DEBUG_UNUSED_IOPORT
301 fprintf(stderr, "unused outb: port=0x%04x data=0x%02x\n", address, data);
305 /* default is to make two byte accesses */
306 static uint32_t default_ioport_readw(void *opaque, uint32_t address)
309 data = ioport_read(0, address);
310 address = (address + 1) & (MAX_IOPORTS - 1);
311 data |= ioport_read(0, address) << 8;
315 static void default_ioport_writew(void *opaque, uint32_t address, uint32_t data)
317 ioport_write(0, address, data & 0xff);
318 address = (address + 1) & (MAX_IOPORTS - 1);
319 ioport_write(0, address, (data >> 8) & 0xff);
322 static uint32_t default_ioport_readl(void *opaque, uint32_t address)
324 #ifdef DEBUG_UNUSED_IOPORT
325 fprintf(stderr, "unused inl: port=0x%04x\n", address);
330 static void default_ioport_writel(void *opaque, uint32_t address, uint32_t data)
332 #ifdef DEBUG_UNUSED_IOPORT
333 fprintf(stderr, "unused outl: port=0x%04x data=0x%02x\n", address, data);
337 /* size is the word size in byte */
338 int register_ioport_read(int start, int length, int size,
339 IOPortReadFunc *func, void *opaque)
345 } else if (size == 2) {
347 } else if (size == 4) {
350 hw_error("register_ioport_read: invalid size");
353 for(i = start; i < start + length; i += size) {
354 ioport_read_table[bsize][i] = func;
355 if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
356 hw_error("register_ioport_read: invalid opaque");
357 ioport_opaque[i] = opaque;
362 /* size is the word size in byte */
363 int register_ioport_write(int start, int length, int size,
364 IOPortWriteFunc *func, void *opaque)
370 } else if (size == 2) {
372 } else if (size == 4) {
375 hw_error("register_ioport_write: invalid size");
378 for(i = start; i < start + length; i += size) {
379 ioport_write_table[bsize][i] = func;
380 if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
381 hw_error("register_ioport_write: invalid opaque");
382 ioport_opaque[i] = opaque;
387 void isa_unassign_ioport(int start, int length)
391 for(i = start; i < start + length; i++) {
392 ioport_read_table[0][i] = default_ioport_readb;
393 ioport_read_table[1][i] = default_ioport_readw;
394 ioport_read_table[2][i] = default_ioport_readl;
396 ioport_write_table[0][i] = default_ioport_writeb;
397 ioport_write_table[1][i] = default_ioport_writew;
398 ioport_write_table[2][i] = default_ioport_writel;
402 /***********************************************************/
404 void cpu_outb(CPUState *env, int addr, int val)
407 if (loglevel & CPU_LOG_IOPORT)
408 fprintf(logfile, "outb: %04x %02x\n", addr, val);
410 ioport_write(0, addr, val);
413 env->last_io_time = cpu_get_time_fast();
417 void cpu_outw(CPUState *env, int addr, int val)
420 if (loglevel & CPU_LOG_IOPORT)
421 fprintf(logfile, "outw: %04x %04x\n", addr, val);
423 ioport_write(1, addr, val);
426 env->last_io_time = cpu_get_time_fast();
430 void cpu_outl(CPUState *env, int addr, int val)
433 if (loglevel & CPU_LOG_IOPORT)
434 fprintf(logfile, "outl: %04x %08x\n", addr, val);
436 ioport_write(2, addr, val);
439 env->last_io_time = cpu_get_time_fast();
443 int cpu_inb(CPUState *env, int addr)
446 val = ioport_read(0, addr);
448 if (loglevel & CPU_LOG_IOPORT)
449 fprintf(logfile, "inb : %04x %02x\n", addr, val);
453 env->last_io_time = cpu_get_time_fast();
458 int cpu_inw(CPUState *env, int addr)
461 val = ioport_read(1, addr);
463 if (loglevel & CPU_LOG_IOPORT)
464 fprintf(logfile, "inw : %04x %04x\n", addr, val);
468 env->last_io_time = cpu_get_time_fast();
473 int cpu_inl(CPUState *env, int addr)
476 val = ioport_read(2, addr);
478 if (loglevel & CPU_LOG_IOPORT)
479 fprintf(logfile, "inl : %04x %08x\n", addr, val);
483 env->last_io_time = cpu_get_time_fast();
488 /***********************************************************/
489 void hw_error(const char *fmt, ...)
495 fprintf(stderr, "qemu: hardware error: ");
496 vfprintf(stderr, fmt, ap);
497 fprintf(stderr, "\n");
498 for(env = first_cpu; env != NULL; env = env->next_cpu) {
499 fprintf(stderr, "CPU #%d:\n", env->cpu_index);
501 cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU);
503 cpu_dump_state(env, stderr, fprintf, 0);
510 /***********************************************************/
513 static QEMUPutKBDEvent *qemu_put_kbd_event;
514 static void *qemu_put_kbd_event_opaque;
515 static QEMUPutMouseEntry *qemu_put_mouse_event_head;
516 static QEMUPutMouseEntry *qemu_put_mouse_event_current;
518 void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
520 qemu_put_kbd_event_opaque = opaque;
521 qemu_put_kbd_event = func;
524 QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func,
525 void *opaque, int absolute,
528 QEMUPutMouseEntry *s, *cursor;
530 s = qemu_mallocz(sizeof(QEMUPutMouseEntry));
534 s->qemu_put_mouse_event = func;
535 s->qemu_put_mouse_event_opaque = opaque;
536 s->qemu_put_mouse_event_absolute = absolute;
537 s->qemu_put_mouse_event_name = qemu_strdup(name);
540 if (!qemu_put_mouse_event_head) {
541 qemu_put_mouse_event_head = qemu_put_mouse_event_current = s;
545 cursor = qemu_put_mouse_event_head;
546 while (cursor->next != NULL)
547 cursor = cursor->next;
550 qemu_put_mouse_event_current = s;
555 void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry)
557 QEMUPutMouseEntry *prev = NULL, *cursor;
559 if (!qemu_put_mouse_event_head || entry == NULL)
562 cursor = qemu_put_mouse_event_head;
563 while (cursor != NULL && cursor != entry) {
565 cursor = cursor->next;
568 if (cursor == NULL) // does not exist or list empty
570 else if (prev == NULL) { // entry is head
571 qemu_put_mouse_event_head = cursor->next;
572 if (qemu_put_mouse_event_current == entry)
573 qemu_put_mouse_event_current = cursor->next;
574 qemu_free(entry->qemu_put_mouse_event_name);
579 prev->next = entry->next;
581 if (qemu_put_mouse_event_current == entry)
582 qemu_put_mouse_event_current = prev;
584 qemu_free(entry->qemu_put_mouse_event_name);
588 void kbd_put_keycode(int keycode)
590 if (qemu_put_kbd_event) {
591 qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode);
595 void kbd_mouse_event(int dx, int dy, int dz, int buttons_state)
597 QEMUPutMouseEvent *mouse_event;
598 void *mouse_event_opaque;
601 if (!qemu_put_mouse_event_current) {
606 qemu_put_mouse_event_current->qemu_put_mouse_event;
608 qemu_put_mouse_event_current->qemu_put_mouse_event_opaque;
611 if (graphic_rotate) {
612 if (qemu_put_mouse_event_current->qemu_put_mouse_event_absolute)
615 width = graphic_width - 1;
616 mouse_event(mouse_event_opaque,
617 width - dy, dx, dz, buttons_state);
619 mouse_event(mouse_event_opaque,
620 dx, dy, dz, buttons_state);
624 int kbd_mouse_is_absolute(void)
626 if (!qemu_put_mouse_event_current)
629 return qemu_put_mouse_event_current->qemu_put_mouse_event_absolute;
632 void do_info_mice(void)
634 QEMUPutMouseEntry *cursor;
637 if (!qemu_put_mouse_event_head) {
638 term_printf("No mouse devices connected\n");
642 term_printf("Mouse devices available:\n");
643 cursor = qemu_put_mouse_event_head;
644 while (cursor != NULL) {
645 term_printf("%c Mouse #%d: %s\n",
646 (cursor == qemu_put_mouse_event_current ? '*' : ' '),
647 index, cursor->qemu_put_mouse_event_name);
649 cursor = cursor->next;
653 void do_mouse_set(int index)
655 QEMUPutMouseEntry *cursor;
658 if (!qemu_put_mouse_event_head) {
659 term_printf("No mouse devices connected\n");
663 cursor = qemu_put_mouse_event_head;
664 while (cursor != NULL && index != i) {
666 cursor = cursor->next;
670 qemu_put_mouse_event_current = cursor;
672 term_printf("Mouse at given index not found\n");
675 /* compute with 96 bit intermediate result: (a*b)/c */
676 uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
681 #ifdef WORDS_BIGENDIAN
691 rl = (uint64_t)u.l.low * (uint64_t)b;
692 rh = (uint64_t)u.l.high * (uint64_t)b;
695 res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
699 /***********************************************************/
700 /* real time host monotonic timer */
702 #define QEMU_TIMER_BASE 1000000000LL
706 static int64_t clock_freq;
708 static void init_get_clock(void)
712 ret = QueryPerformanceFrequency(&freq);
714 fprintf(stderr, "Could not calibrate ticks\n");
717 clock_freq = freq.QuadPart;
720 static int64_t get_clock(void)
723 QueryPerformanceCounter(&ti);
724 return muldiv64(ti.QuadPart, QEMU_TIMER_BASE, clock_freq);
729 static int use_rt_clock;
731 static void init_get_clock(void)
734 #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000)
737 if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) {
744 static int64_t get_clock(void)
746 #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000)
749 clock_gettime(CLOCK_MONOTONIC, &ts);
750 return ts.tv_sec * 1000000000LL + ts.tv_nsec;
754 /* XXX: using gettimeofday leads to problems if the date
755 changes, so it should be avoided. */
757 gettimeofday(&tv, NULL);
758 return tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000);
763 /* Return the virtual CPU time, based on the instruction counter. */
764 static int64_t cpu_get_icount(void)
767 CPUState *env = cpu_single_env;;
768 icount = qemu_icount;
771 fprintf(stderr, "Bad clock read\n");
772 icount -= (env->icount_decr.u16.low + env->icount_extra);
774 return qemu_icount_bias + (icount << icount_time_shift);
777 /***********************************************************/
778 /* guest cycle counter */
780 static int64_t cpu_ticks_prev;
781 static int64_t cpu_ticks_offset;
782 static int64_t cpu_clock_offset;
783 static int cpu_ticks_enabled;
785 /* return the host CPU cycle counter and handle stop/restart */
786 int64_t cpu_get_ticks(void)
789 return cpu_get_icount();
791 if (!cpu_ticks_enabled) {
792 return cpu_ticks_offset;
795 ticks = cpu_get_real_ticks();
796 if (cpu_ticks_prev > ticks) {
797 /* Note: non increasing ticks may happen if the host uses
799 cpu_ticks_offset += cpu_ticks_prev - ticks;
801 cpu_ticks_prev = ticks;
802 return ticks + cpu_ticks_offset;
806 /* return the host CPU monotonic timer and handle stop/restart */
807 static int64_t cpu_get_clock(void)
810 if (!cpu_ticks_enabled) {
811 return cpu_clock_offset;
814 return ti + cpu_clock_offset;
818 /* enable cpu_get_ticks() */
819 void cpu_enable_ticks(void)
821 if (!cpu_ticks_enabled) {
822 cpu_ticks_offset -= cpu_get_real_ticks();
823 cpu_clock_offset -= get_clock();
824 cpu_ticks_enabled = 1;
828 /* disable cpu_get_ticks() : the clock is stopped. You must not call
829 cpu_get_ticks() after that. */
830 void cpu_disable_ticks(void)
832 if (cpu_ticks_enabled) {
833 cpu_ticks_offset = cpu_get_ticks();
834 cpu_clock_offset = cpu_get_clock();
835 cpu_ticks_enabled = 0;
839 /***********************************************************/
842 #define QEMU_TIMER_REALTIME 0
843 #define QEMU_TIMER_VIRTUAL 1
847 /* XXX: add frequency */
855 struct QEMUTimer *next;
858 struct qemu_alarm_timer {
862 int (*start)(struct qemu_alarm_timer *t);
863 void (*stop)(struct qemu_alarm_timer *t);
864 void (*rearm)(struct qemu_alarm_timer *t);
868 #define ALARM_FLAG_DYNTICKS 0x1
869 #define ALARM_FLAG_EXPIRED 0x2
871 static inline int alarm_has_dynticks(struct qemu_alarm_timer *t)
873 return t->flags & ALARM_FLAG_DYNTICKS;
876 static void qemu_rearm_alarm_timer(struct qemu_alarm_timer *t)
878 if (!alarm_has_dynticks(t))
884 /* TODO: MIN_TIMER_REARM_US should be optimized */
885 #define MIN_TIMER_REARM_US 250
887 static struct qemu_alarm_timer *alarm_timer;
888 static int alarm_timer_rfd, alarm_timer_wfd;
892 struct qemu_alarm_win32 {
896 } alarm_win32_data = {0, NULL, -1};
898 static int win32_start_timer(struct qemu_alarm_timer *t);
899 static void win32_stop_timer(struct qemu_alarm_timer *t);
900 static void win32_rearm_timer(struct qemu_alarm_timer *t);
904 static int unix_start_timer(struct qemu_alarm_timer *t);
905 static void unix_stop_timer(struct qemu_alarm_timer *t);
909 static int dynticks_start_timer(struct qemu_alarm_timer *t);
910 static void dynticks_stop_timer(struct qemu_alarm_timer *t);
911 static void dynticks_rearm_timer(struct qemu_alarm_timer *t);
913 static int hpet_start_timer(struct qemu_alarm_timer *t);
914 static void hpet_stop_timer(struct qemu_alarm_timer *t);
916 static int rtc_start_timer(struct qemu_alarm_timer *t);
917 static void rtc_stop_timer(struct qemu_alarm_timer *t);
919 #endif /* __linux__ */
923 /* Correlation between real and virtual time is always going to be
924 fairly approximate, so ignore small variation.
925 When the guest is idle real and virtual time will be aligned in
927 #define ICOUNT_WOBBLE (QEMU_TIMER_BASE / 10)
929 static void icount_adjust(void)
934 static int64_t last_delta;
935 /* If the VM is not running, then do nothing. */
939 cur_time = cpu_get_clock();
940 cur_icount = qemu_get_clock(vm_clock);
941 delta = cur_icount - cur_time;
942 /* FIXME: This is a very crude algorithm, somewhat prone to oscillation. */
944 && last_delta + ICOUNT_WOBBLE < delta * 2
945 && icount_time_shift > 0) {
946 /* The guest is getting too far ahead. Slow time down. */
950 && last_delta - ICOUNT_WOBBLE > delta * 2
951 && icount_time_shift < MAX_ICOUNT_SHIFT) {
952 /* The guest is getting too far behind. Speed time up. */
956 qemu_icount_bias = cur_icount - (qemu_icount << icount_time_shift);
959 static void icount_adjust_rt(void * opaque)
961 qemu_mod_timer(icount_rt_timer,
962 qemu_get_clock(rt_clock) + 1000);
966 static void icount_adjust_vm(void * opaque)
968 qemu_mod_timer(icount_vm_timer,
969 qemu_get_clock(vm_clock) + QEMU_TIMER_BASE / 10);
973 static void init_icount_adjust(void)
975 /* Have both realtime and virtual time triggers for speed adjustment.
976 The realtime trigger catches emulated time passing too slowly,
977 the virtual time trigger catches emulated time passing too fast.
978 Realtime triggers occur even when idle, so use them less frequently
980 icount_rt_timer = qemu_new_timer(rt_clock, icount_adjust_rt, NULL);
981 qemu_mod_timer(icount_rt_timer,
982 qemu_get_clock(rt_clock) + 1000);
983 icount_vm_timer = qemu_new_timer(vm_clock, icount_adjust_vm, NULL);
984 qemu_mod_timer(icount_vm_timer,
985 qemu_get_clock(vm_clock) + QEMU_TIMER_BASE / 10);
988 static struct qemu_alarm_timer alarm_timers[] = {
991 {"dynticks", ALARM_FLAG_DYNTICKS, dynticks_start_timer,
992 dynticks_stop_timer, dynticks_rearm_timer, NULL},
993 /* HPET - if available - is preferred */
994 {"hpet", 0, hpet_start_timer, hpet_stop_timer, NULL, NULL},
995 /* ...otherwise try RTC */
996 {"rtc", 0, rtc_start_timer, rtc_stop_timer, NULL, NULL},
998 {"unix", 0, unix_start_timer, unix_stop_timer, NULL, NULL},
1000 {"dynticks", ALARM_FLAG_DYNTICKS, win32_start_timer,
1001 win32_stop_timer, win32_rearm_timer, &alarm_win32_data},
1002 {"win32", 0, win32_start_timer,
1003 win32_stop_timer, NULL, &alarm_win32_data},
1008 static void show_available_alarms(void)
1012 printf("Available alarm timers, in order of precedence:\n");
1013 for (i = 0; alarm_timers[i].name; i++)
1014 printf("%s\n", alarm_timers[i].name);
1017 static void configure_alarms(char const *opt)
1021 int count = (sizeof(alarm_timers) / sizeof(*alarm_timers)) - 1;
1024 struct qemu_alarm_timer tmp;
1026 if (!strcmp(opt, "?")) {
1027 show_available_alarms();
1033 /* Reorder the array */
1034 name = strtok(arg, ",");
1036 for (i = 0; i < count && alarm_timers[i].name; i++) {
1037 if (!strcmp(alarm_timers[i].name, name))
1042 fprintf(stderr, "Unknown clock %s\n", name);
1051 tmp = alarm_timers[i];
1052 alarm_timers[i] = alarm_timers[cur];
1053 alarm_timers[cur] = tmp;
1057 name = strtok(NULL, ",");
1063 /* Disable remaining timers */
1064 for (i = cur; i < count; i++)
1065 alarm_timers[i].name = NULL;
1067 show_available_alarms();
1072 QEMUClock *rt_clock;
1073 QEMUClock *vm_clock;
1075 static QEMUTimer *active_timers[2];
1077 static QEMUClock *qemu_new_clock(int type)
1080 clock = qemu_mallocz(sizeof(QEMUClock));
1087 QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque)
1091 ts = qemu_mallocz(sizeof(QEMUTimer));
1094 ts->opaque = opaque;
1098 void qemu_free_timer(QEMUTimer *ts)
1103 /* stop a timer, but do not dealloc it */
1104 void qemu_del_timer(QEMUTimer *ts)
1108 /* NOTE: this code must be signal safe because
1109 qemu_timer_expired() can be called from a signal. */
1110 pt = &active_timers[ts->clock->type];
1123 /* modify the current timer so that it will be fired when current_time
1124 >= expire_time. The corresponding callback will be called. */
1125 void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time)
1131 /* add the timer in the sorted list */
1132 /* NOTE: this code must be signal safe because
1133 qemu_timer_expired() can be called from a signal. */
1134 pt = &active_timers[ts->clock->type];
1139 if (t->expire_time > expire_time)
1143 ts->expire_time = expire_time;
1147 /* Rearm if necessary */
1148 if (pt == &active_timers[ts->clock->type]) {
1149 if ((alarm_timer->flags & ALARM_FLAG_EXPIRED) == 0) {
1150 qemu_rearm_alarm_timer(alarm_timer);
1152 /* Interrupt execution to force deadline recalculation. */
1153 if (use_icount && cpu_single_env) {
1154 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
1159 int qemu_timer_pending(QEMUTimer *ts)
1162 for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) {
1169 static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time)
1173 return (timer_head->expire_time <= current_time);
1176 static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time)
1182 if (!ts || ts->expire_time > current_time)
1184 /* remove timer from the list before calling the callback */
1185 *ptimer_head = ts->next;
1188 /* run the callback (the timer list can be modified) */
1193 int64_t qemu_get_clock(QEMUClock *clock)
1195 switch(clock->type) {
1196 case QEMU_TIMER_REALTIME:
1197 return get_clock() / 1000000;
1199 case QEMU_TIMER_VIRTUAL:
1201 return cpu_get_icount();
1203 return cpu_get_clock();
1208 static void init_timers(void)
1211 ticks_per_sec = QEMU_TIMER_BASE;
1212 rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME);
1213 vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL);
1217 void qemu_put_timer(QEMUFile *f, QEMUTimer *ts)
1219 uint64_t expire_time;
1221 if (qemu_timer_pending(ts)) {
1222 expire_time = ts->expire_time;
1226 qemu_put_be64(f, expire_time);
1229 void qemu_get_timer(QEMUFile *f, QEMUTimer *ts)
1231 uint64_t expire_time;
1233 expire_time = qemu_get_be64(f);
1234 if (expire_time != -1) {
1235 qemu_mod_timer(ts, expire_time);
1241 static void timer_save(QEMUFile *f, void *opaque)
1243 if (cpu_ticks_enabled) {
1244 hw_error("cannot save state if virtual timers are running");
1246 qemu_put_be64(f, cpu_ticks_offset);
1247 qemu_put_be64(f, ticks_per_sec);
1248 qemu_put_be64(f, cpu_clock_offset);
1251 static int timer_load(QEMUFile *f, void *opaque, int version_id)
1253 if (version_id != 1 && version_id != 2)
1255 if (cpu_ticks_enabled) {
1258 cpu_ticks_offset=qemu_get_be64(f);
1259 ticks_per_sec=qemu_get_be64(f);
1260 if (version_id == 2) {
1261 cpu_clock_offset=qemu_get_be64(f);
1267 void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg,
1268 DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2)
1270 static void host_alarm_handler(int host_signum)
1274 #define DISP_FREQ 1000
1276 static int64_t delta_min = INT64_MAX;
1277 static int64_t delta_max, delta_cum, last_clock, delta, ti;
1279 ti = qemu_get_clock(vm_clock);
1280 if (last_clock != 0) {
1281 delta = ti - last_clock;
1282 if (delta < delta_min)
1284 if (delta > delta_max)
1287 if (++count == DISP_FREQ) {
1288 printf("timer: min=%" PRId64 " us max=%" PRId64 " us avg=%" PRId64 " us avg_freq=%0.3f Hz\n",
1289 muldiv64(delta_min, 1000000, ticks_per_sec),
1290 muldiv64(delta_max, 1000000, ticks_per_sec),
1291 muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec),
1292 (double)ticks_per_sec / ((double)delta_cum / DISP_FREQ));
1294 delta_min = INT64_MAX;
1302 if (alarm_has_dynticks(alarm_timer) ||
1304 qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL],
1305 qemu_get_clock(vm_clock))) ||
1306 qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME],
1307 qemu_get_clock(rt_clock))) {
1308 CPUState *env = next_cpu;
1309 static const char byte = 0;
1312 struct qemu_alarm_win32 *data = ((struct qemu_alarm_timer*)dwUser)->priv;
1313 SetEvent(data->host_alarm);
1316 write(alarm_timer_wfd, &byte, sizeof(byte));
1317 alarm_timer->flags |= ALARM_FLAG_EXPIRED;
1320 /* stop the currently executing cpu because a timer occured */
1321 cpu_interrupt(env, CPU_INTERRUPT_EXIT);
1323 if (env->kqemu_enabled) {
1324 kqemu_cpu_interrupt(env);
1332 static int64_t qemu_next_deadline(void)
1336 if (active_timers[QEMU_TIMER_VIRTUAL]) {
1337 delta = active_timers[QEMU_TIMER_VIRTUAL]->expire_time -
1338 qemu_get_clock(vm_clock);
1340 /* To avoid problems with overflow limit this to 2^32. */
1350 #if defined(__linux__) || defined(_WIN32)
1351 static uint64_t qemu_next_deadline_dyntick(void)
1359 delta = (qemu_next_deadline() + 999) / 1000;
1361 if (active_timers[QEMU_TIMER_REALTIME]) {
1362 rtdelta = (active_timers[QEMU_TIMER_REALTIME]->expire_time -
1363 qemu_get_clock(rt_clock))*1000;
1364 if (rtdelta < delta)
1368 if (delta < MIN_TIMER_REARM_US)
1369 delta = MIN_TIMER_REARM_US;
1377 /* Sets a specific flag */
1378 static int fcntl_setfl(int fd, int flag)
1382 flags = fcntl(fd, F_GETFL);
1386 if (fcntl(fd, F_SETFL, flags | flag) == -1)
1392 #if defined(__linux__)
1394 #define RTC_FREQ 1024
1396 static void enable_sigio_timer(int fd)
1398 struct sigaction act;
1401 sigfillset(&act.sa_mask);
1403 act.sa_handler = host_alarm_handler;
1405 sigaction(SIGIO, &act, NULL);
1406 fcntl_setfl(fd, O_ASYNC);
1407 fcntl(fd, F_SETOWN, getpid());
1410 static int hpet_start_timer(struct qemu_alarm_timer *t)
1412 struct hpet_info info;
1415 fd = open("/dev/hpet", O_RDONLY);
1420 r = ioctl(fd, HPET_IRQFREQ, RTC_FREQ);
1422 fprintf(stderr, "Could not configure '/dev/hpet' to have a 1024Hz timer. This is not a fatal\n"
1423 "error, but for better emulation accuracy type:\n"
1424 "'echo 1024 > /proc/sys/dev/hpet/max-user-freq' as root.\n");
1428 /* Check capabilities */
1429 r = ioctl(fd, HPET_INFO, &info);
1433 /* Enable periodic mode */
1434 r = ioctl(fd, HPET_EPI, 0);
1435 if (info.hi_flags && (r < 0))
1438 /* Enable interrupt */
1439 r = ioctl(fd, HPET_IE_ON, 0);
1443 enable_sigio_timer(fd);
1444 t->priv = (void *)(long)fd;
1452 static void hpet_stop_timer(struct qemu_alarm_timer *t)
1454 int fd = (long)t->priv;
1459 static int rtc_start_timer(struct qemu_alarm_timer *t)
1462 unsigned long current_rtc_freq = 0;
1464 TFR(rtc_fd = open("/dev/rtc", O_RDONLY));
1467 ioctl(rtc_fd, RTC_IRQP_READ, ¤t_rtc_freq);
1468 if (current_rtc_freq != RTC_FREQ &&
1469 ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) {
1470 fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
1471 "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
1472 "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
1475 if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) {
1481 enable_sigio_timer(rtc_fd);
1483 t->priv = (void *)(long)rtc_fd;
1488 static void rtc_stop_timer(struct qemu_alarm_timer *t)
1490 int rtc_fd = (long)t->priv;
1495 static int dynticks_start_timer(struct qemu_alarm_timer *t)
1499 struct sigaction act;
1501 sigfillset(&act.sa_mask);
1503 act.sa_handler = host_alarm_handler;
1505 sigaction(SIGALRM, &act, NULL);
1507 ev.sigev_value.sival_int = 0;
1508 ev.sigev_notify = SIGEV_SIGNAL;
1509 ev.sigev_signo = SIGALRM;
1511 if (timer_create(CLOCK_REALTIME, &ev, &host_timer)) {
1512 perror("timer_create");
1514 /* disable dynticks */
1515 fprintf(stderr, "Dynamic Ticks disabled\n");
1520 t->priv = (void *)host_timer;
1525 static void dynticks_stop_timer(struct qemu_alarm_timer *t)
1527 timer_t host_timer = (timer_t)t->priv;
1529 timer_delete(host_timer);
1532 static void dynticks_rearm_timer(struct qemu_alarm_timer *t)
1534 timer_t host_timer = (timer_t)t->priv;
1535 struct itimerspec timeout;
1536 int64_t nearest_delta_us = INT64_MAX;
1539 if (!active_timers[QEMU_TIMER_REALTIME] &&
1540 !active_timers[QEMU_TIMER_VIRTUAL])
1543 nearest_delta_us = qemu_next_deadline_dyntick();
1545 /* check whether a timer is already running */
1546 if (timer_gettime(host_timer, &timeout)) {
1548 fprintf(stderr, "Internal timer error: aborting\n");
1551 current_us = timeout.it_value.tv_sec * 1000000 + timeout.it_value.tv_nsec/1000;
1552 if (current_us && current_us <= nearest_delta_us)
1555 timeout.it_interval.tv_sec = 0;
1556 timeout.it_interval.tv_nsec = 0; /* 0 for one-shot timer */
1557 timeout.it_value.tv_sec = nearest_delta_us / 1000000;
1558 timeout.it_value.tv_nsec = (nearest_delta_us % 1000000) * 1000;
1559 if (timer_settime(host_timer, 0 /* RELATIVE */, &timeout, NULL)) {
1561 fprintf(stderr, "Internal timer error: aborting\n");
1566 #endif /* defined(__linux__) */
1568 static int unix_start_timer(struct qemu_alarm_timer *t)
1570 struct sigaction act;
1571 struct itimerval itv;
1575 sigfillset(&act.sa_mask);
1577 act.sa_handler = host_alarm_handler;
1579 sigaction(SIGALRM, &act, NULL);
1581 itv.it_interval.tv_sec = 0;
1582 /* for i386 kernel 2.6 to get 1 ms */
1583 itv.it_interval.tv_usec = 999;
1584 itv.it_value.tv_sec = 0;
1585 itv.it_value.tv_usec = 10 * 1000;
1587 err = setitimer(ITIMER_REAL, &itv, NULL);
1594 static void unix_stop_timer(struct qemu_alarm_timer *t)
1596 struct itimerval itv;
1598 memset(&itv, 0, sizeof(itv));
1599 setitimer(ITIMER_REAL, &itv, NULL);
1602 #endif /* !defined(_WIN32) */
1606 static int win32_start_timer(struct qemu_alarm_timer *t)
1609 struct qemu_alarm_win32 *data = t->priv;
1612 data->host_alarm = CreateEvent(NULL, FALSE, FALSE, NULL);
1613 if (!data->host_alarm) {
1614 perror("Failed CreateEvent");
1618 memset(&tc, 0, sizeof(tc));
1619 timeGetDevCaps(&tc, sizeof(tc));
1621 if (data->period < tc.wPeriodMin)
1622 data->period = tc.wPeriodMin;
1624 timeBeginPeriod(data->period);
1626 flags = TIME_CALLBACK_FUNCTION;
1627 if (alarm_has_dynticks(t))
1628 flags |= TIME_ONESHOT;
1630 flags |= TIME_PERIODIC;
1632 data->timerId = timeSetEvent(1, // interval (ms)
1633 data->period, // resolution
1634 host_alarm_handler, // function
1635 (DWORD)t, // parameter
1638 if (!data->timerId) {
1639 perror("Failed to initialize win32 alarm timer");
1641 timeEndPeriod(data->period);
1642 CloseHandle(data->host_alarm);
1646 qemu_add_wait_object(data->host_alarm, NULL, NULL);
1651 static void win32_stop_timer(struct qemu_alarm_timer *t)
1653 struct qemu_alarm_win32 *data = t->priv;
1655 timeKillEvent(data->timerId);
1656 timeEndPeriod(data->period);
1658 CloseHandle(data->host_alarm);
1661 static void win32_rearm_timer(struct qemu_alarm_timer *t)
1663 struct qemu_alarm_win32 *data = t->priv;
1664 uint64_t nearest_delta_us;
1666 if (!active_timers[QEMU_TIMER_REALTIME] &&
1667 !active_timers[QEMU_TIMER_VIRTUAL])
1670 nearest_delta_us = qemu_next_deadline_dyntick();
1671 nearest_delta_us /= 1000;
1673 timeKillEvent(data->timerId);
1675 data->timerId = timeSetEvent(1,
1679 TIME_ONESHOT | TIME_PERIODIC);
1681 if (!data->timerId) {
1682 perror("Failed to re-arm win32 alarm timer");
1684 timeEndPeriod(data->period);
1685 CloseHandle(data->host_alarm);
1692 static void try_to_rearm_timer(void *opaque)
1694 struct qemu_alarm_timer *t = opaque;
1697 /* Drain the notify pipe */
1700 len = read(alarm_timer_rfd, buffer, sizeof(buffer));
1701 } while ((len == -1 && errno == EINTR) || len > 0);
1703 /* vm time timers */
1704 if (vm_running && likely(!(cur_cpu->singlestep_enabled & SSTEP_NOTIMER)))
1705 qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL],
1706 qemu_get_clock(vm_clock));
1708 /* real time timers */
1709 qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME],
1710 qemu_get_clock(rt_clock));
1712 if (t->flags & ALARM_FLAG_EXPIRED) {
1713 alarm_timer->flags &= ~ALARM_FLAG_EXPIRED;
1714 qemu_rearm_alarm_timer(alarm_timer);
1718 static int init_timer_alarm(void)
1720 struct qemu_alarm_timer *t = NULL;
1728 err = fcntl_setfl(fds[0], O_NONBLOCK);
1732 err = fcntl_setfl(fds[1], O_NONBLOCK);
1736 alarm_timer_rfd = fds[0];
1737 alarm_timer_wfd = fds[1];
1739 for (i = 0; alarm_timers[i].name; i++) {
1740 t = &alarm_timers[i];
1752 qemu_set_fd_handler2(alarm_timer_rfd, NULL,
1753 try_to_rearm_timer, NULL, t);
1765 static void quit_timers(void)
1767 alarm_timer->stop(alarm_timer);
1771 /***********************************************************/
1772 /* host time/date access */
1773 void qemu_get_timedate(struct tm *tm, int offset)
1780 if (rtc_date_offset == -1) {
1784 ret = localtime(&ti);
1786 ti -= rtc_date_offset;
1790 memcpy(tm, ret, sizeof(struct tm));
1793 int qemu_timedate_diff(struct tm *tm)
1797 if (rtc_date_offset == -1)
1799 seconds = mktimegm(tm);
1801 seconds = mktime(tm);
1803 seconds = mktimegm(tm) + rtc_date_offset;
1805 return seconds - time(NULL);
1809 static void socket_cleanup(void)
1814 static int socket_init(void)
1819 ret = WSAStartup(MAKEWORD(2,2), &Data);
1821 err = WSAGetLastError();
1822 fprintf(stderr, "WSAStartup: %d\n", err);
1825 atexit(socket_cleanup);
1830 const char *get_opt_name(char *buf, int buf_size, const char *p)
1835 while (*p != '\0' && *p != '=') {
1836 if (q && (q - buf) < buf_size - 1)
1846 const char *get_opt_value(char *buf, int buf_size, const char *p)
1851 while (*p != '\0') {
1853 if (*(p + 1) != ',')
1857 if (q && (q - buf) < buf_size - 1)
1867 int get_param_value(char *buf, int buf_size,
1868 const char *tag, const char *str)
1875 p = get_opt_name(option, sizeof(option), p);
1879 if (!strcmp(tag, option)) {
1880 (void)get_opt_value(buf, buf_size, p);
1883 p = get_opt_value(NULL, 0, p);
1892 int check_params(char *buf, int buf_size,
1893 const char * const *params, const char *str)
1900 p = get_opt_name(buf, buf_size, p);
1904 for(i = 0; params[i] != NULL; i++)
1905 if (!strcmp(params[i], buf))
1907 if (params[i] == NULL)
1909 p = get_opt_value(NULL, 0, p);
1917 /***********************************************************/
1918 /* Bluetooth support */
1921 static struct HCIInfo *hci_table[MAX_NICS];
1923 static struct bt_vlan_s {
1924 struct bt_scatternet_s net;
1926 struct bt_vlan_s *next;
1929 /* find or alloc a new bluetooth "VLAN" */
1930 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
1932 struct bt_vlan_s **pvlan, *vlan;
1933 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
1937 vlan = qemu_mallocz(sizeof(struct bt_vlan_s));
1939 pvlan = &first_bt_vlan;
1940 while (*pvlan != NULL)
1941 pvlan = &(*pvlan)->next;
1947 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
1951 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
1956 static struct HCIInfo null_hci = {
1957 .cmd_send = null_hci_send,
1958 .sco_send = null_hci_send,
1959 .acl_send = null_hci_send,
1960 .bdaddr_set = null_hci_addr_set,
1963 struct HCIInfo *qemu_next_hci(void)
1965 if (cur_hci == nb_hcis)
1968 return hci_table[cur_hci++];
1971 /***********************************************************/
1972 /* QEMU Block devices */
1974 #define HD_ALIAS "index=%d,media=disk"
1976 #define CDROM_ALIAS "index=1,media=cdrom"
1978 #define CDROM_ALIAS "index=2,media=cdrom"
1980 #define FD_ALIAS "index=%d,if=floppy"
1981 #define PFLASH_ALIAS "if=pflash"
1982 #define MTD_ALIAS "if=mtd"
1983 #define SD_ALIAS "index=0,if=sd"
1985 static int drive_add(const char *file, const char *fmt, ...)
1989 if (nb_drives_opt >= MAX_DRIVES) {
1990 fprintf(stderr, "qemu: too many drives\n");
1994 drives_opt[nb_drives_opt].file = file;
1996 vsnprintf(drives_opt[nb_drives_opt].opt,
1997 sizeof(drives_opt[0].opt), fmt, ap);
2000 return nb_drives_opt++;
2003 int drive_get_index(BlockInterfaceType type, int bus, int unit)
2007 /* seek interface, bus and unit */
2009 for (index = 0; index < nb_drives; index++)
2010 if (drives_table[index].type == type &&
2011 drives_table[index].bus == bus &&
2012 drives_table[index].unit == unit)
2018 int drive_get_max_bus(BlockInterfaceType type)
2024 for (index = 0; index < nb_drives; index++) {
2025 if(drives_table[index].type == type &&
2026 drives_table[index].bus > max_bus)
2027 max_bus = drives_table[index].bus;
2032 static void bdrv_format_print(void *opaque, const char *name)
2034 fprintf(stderr, " %s", name);
2037 static int drive_init(struct drive_opt *arg, int snapshot,
2038 QEMUMachine *machine)
2043 const char *mediastr = "";
2044 BlockInterfaceType type;
2045 enum { MEDIA_DISK, MEDIA_CDROM } media;
2046 int bus_id, unit_id;
2047 int cyls, heads, secs, translation;
2048 BlockDriverState *bdrv;
2049 BlockDriver *drv = NULL;
2054 char *str = arg->opt;
2055 static const char * const params[] = { "bus", "unit", "if", "index",
2056 "cyls", "heads", "secs", "trans",
2057 "media", "snapshot", "file",
2058 "cache", "format", NULL };
2060 if (check_params(buf, sizeof(buf), params, str) < 0) {
2061 fprintf(stderr, "qemu: unknown parameter '%s' in '%s'\n",
2067 cyls = heads = secs = 0;
2070 translation = BIOS_ATA_TRANSLATION_AUTO;
2074 if (machine->use_scsi) {
2076 max_devs = MAX_SCSI_DEVS;
2077 pstrcpy(devname, sizeof(devname), "scsi");
2080 max_devs = MAX_IDE_DEVS;
2081 pstrcpy(devname, sizeof(devname), "ide");
2085 /* extract parameters */
2087 if (get_param_value(buf, sizeof(buf), "bus", str)) {
2088 bus_id = strtol(buf, NULL, 0);
2090 fprintf(stderr, "qemu: '%s' invalid bus id\n", str);
2095 if (get_param_value(buf, sizeof(buf), "unit", str)) {
2096 unit_id = strtol(buf, NULL, 0);
2098 fprintf(stderr, "qemu: '%s' invalid unit id\n", str);
2103 if (get_param_value(buf, sizeof(buf), "if", str)) {
2104 pstrcpy(devname, sizeof(devname), buf);
2105 if (!strcmp(buf, "ide")) {
2107 max_devs = MAX_IDE_DEVS;
2108 } else if (!strcmp(buf, "scsi")) {
2110 max_devs = MAX_SCSI_DEVS;
2111 } else if (!strcmp(buf, "floppy")) {
2114 } else if (!strcmp(buf, "pflash")) {
2117 } else if (!strcmp(buf, "mtd")) {
2120 } else if (!strcmp(buf, "sd")) {
2124 fprintf(stderr, "qemu: '%s' unsupported bus type '%s'\n", str, buf);
2129 if (get_param_value(buf, sizeof(buf), "index", str)) {
2130 index = strtol(buf, NULL, 0);
2132 fprintf(stderr, "qemu: '%s' invalid index\n", str);
2137 if (get_param_value(buf, sizeof(buf), "cyls", str)) {
2138 cyls = strtol(buf, NULL, 0);
2141 if (get_param_value(buf, sizeof(buf), "heads", str)) {
2142 heads = strtol(buf, NULL, 0);
2145 if (get_param_value(buf, sizeof(buf), "secs", str)) {
2146 secs = strtol(buf, NULL, 0);
2149 if (cyls || heads || secs) {
2150 if (cyls < 1 || cyls > 16383) {
2151 fprintf(stderr, "qemu: '%s' invalid physical cyls number\n", str);
2154 if (heads < 1 || heads > 16) {
2155 fprintf(stderr, "qemu: '%s' invalid physical heads number\n", str);
2158 if (secs < 1 || secs > 63) {
2159 fprintf(stderr, "qemu: '%s' invalid physical secs number\n", str);
2164 if (get_param_value(buf, sizeof(buf), "trans", str)) {
2167 "qemu: '%s' trans must be used with cyls,heads and secs\n",
2171 if (!strcmp(buf, "none"))
2172 translation = BIOS_ATA_TRANSLATION_NONE;
2173 else if (!strcmp(buf, "lba"))
2174 translation = BIOS_ATA_TRANSLATION_LBA;
2175 else if (!strcmp(buf, "auto"))
2176 translation = BIOS_ATA_TRANSLATION_AUTO;
2178 fprintf(stderr, "qemu: '%s' invalid translation type\n", str);
2183 if (get_param_value(buf, sizeof(buf), "media", str)) {
2184 if (!strcmp(buf, "disk")) {
2186 } else if (!strcmp(buf, "cdrom")) {
2187 if (cyls || secs || heads) {
2189 "qemu: '%s' invalid physical CHS format\n", str);
2192 media = MEDIA_CDROM;
2194 fprintf(stderr, "qemu: '%s' invalid media\n", str);
2199 if (get_param_value(buf, sizeof(buf), "snapshot", str)) {
2200 if (!strcmp(buf, "on"))
2202 else if (!strcmp(buf, "off"))
2205 fprintf(stderr, "qemu: '%s' invalid snapshot option\n", str);
2210 if (get_param_value(buf, sizeof(buf), "cache", str)) {
2211 if (!strcmp(buf, "off") || !strcmp(buf, "none"))
2213 else if (!strcmp(buf, "writethrough"))
2215 else if (!strcmp(buf, "writeback"))
2218 fprintf(stderr, "qemu: invalid cache option\n");
2223 if (get_param_value(buf, sizeof(buf), "format", str)) {
2224 if (strcmp(buf, "?") == 0) {
2225 fprintf(stderr, "qemu: Supported formats:");
2226 bdrv_iterate_format(bdrv_format_print, NULL);
2227 fprintf(stderr, "\n");
2230 drv = bdrv_find_format(buf);
2232 fprintf(stderr, "qemu: '%s' invalid format\n", buf);
2237 if (arg->file == NULL)
2238 get_param_value(file, sizeof(file), "file", str);
2240 pstrcpy(file, sizeof(file), arg->file);
2242 /* compute bus and unit according index */
2245 if (bus_id != 0 || unit_id != -1) {
2247 "qemu: '%s' index cannot be used with bus and unit\n", str);
2255 unit_id = index % max_devs;
2256 bus_id = index / max_devs;
2260 /* if user doesn't specify a unit_id,
2261 * try to find the first free
2264 if (unit_id == -1) {
2266 while (drive_get_index(type, bus_id, unit_id) != -1) {
2268 if (max_devs && unit_id >= max_devs) {
2269 unit_id -= max_devs;
2277 if (max_devs && unit_id >= max_devs) {
2278 fprintf(stderr, "qemu: '%s' unit %d too big (max is %d)\n",
2279 str, unit_id, max_devs - 1);
2284 * ignore multiple definitions
2287 if (drive_get_index(type, bus_id, unit_id) != -1)
2292 if (type == IF_IDE || type == IF_SCSI)
2293 mediastr = (media == MEDIA_CDROM) ? "-cd" : "-hd";
2295 snprintf(buf, sizeof(buf), "%s%i%s%i",
2296 devname, bus_id, mediastr, unit_id);
2298 snprintf(buf, sizeof(buf), "%s%s%i",
2299 devname, mediastr, unit_id);
2300 bdrv = bdrv_new(buf);
2301 drives_table[nb_drives].bdrv = bdrv;
2302 drives_table[nb_drives].type = type;
2303 drives_table[nb_drives].bus = bus_id;
2304 drives_table[nb_drives].unit = unit_id;
2313 bdrv_set_geometry_hint(bdrv, cyls, heads, secs);
2314 bdrv_set_translation_hint(bdrv, translation);
2318 bdrv_set_type_hint(bdrv, BDRV_TYPE_CDROM);
2323 /* FIXME: This isn't really a floppy, but it's a reasonable
2326 bdrv_set_type_hint(bdrv, BDRV_TYPE_FLOPPY);
2336 bdrv_flags |= BDRV_O_SNAPSHOT;
2337 cache = 2; /* always use write-back with snapshot */
2339 if (cache == 0) /* no caching */
2340 bdrv_flags |= BDRV_O_NOCACHE;
2341 else if (cache == 2) /* write-back */
2342 bdrv_flags |= BDRV_O_CACHE_WB;
2343 if (bdrv_open2(bdrv, file, bdrv_flags, drv) < 0 || qemu_key_check(bdrv, file)) {
2344 fprintf(stderr, "qemu: could not open disk image %s\n",
2351 /***********************************************************/
2354 static USBPort *used_usb_ports;
2355 static USBPort *free_usb_ports;
2357 /* ??? Maybe change this to register a hub to keep track of the topology. */
2358 void qemu_register_usb_port(USBPort *port, void *opaque, int index,
2359 usb_attachfn attach)
2361 port->opaque = opaque;
2362 port->index = index;
2363 port->attach = attach;
2364 port->next = free_usb_ports;
2365 free_usb_ports = port;
2368 int usb_device_add_dev(USBDevice *dev)
2372 /* Find a USB port to add the device to. */
2373 port = free_usb_ports;
2377 /* Create a new hub and chain it on. */
2378 free_usb_ports = NULL;
2379 port->next = used_usb_ports;
2380 used_usb_ports = port;
2382 hub = usb_hub_init(VM_USB_HUB_SIZE);
2383 usb_attach(port, hub);
2384 port = free_usb_ports;
2387 free_usb_ports = port->next;
2388 port->next = used_usb_ports;
2389 used_usb_ports = port;
2390 usb_attach(port, dev);
2394 static int usb_device_add(const char *devname)
2399 if (!free_usb_ports)
2402 if (strstart(devname, "host:", &p)) {
2403 dev = usb_host_device_open(p);
2404 } else if (!strcmp(devname, "mouse")) {
2405 dev = usb_mouse_init();
2406 } else if (!strcmp(devname, "tablet")) {
2407 dev = usb_tablet_init();
2408 } else if (!strcmp(devname, "keyboard")) {
2409 dev = usb_keyboard_init();
2410 } else if (strstart(devname, "disk:", &p)) {
2411 dev = usb_msd_init(p);
2412 } else if (!strcmp(devname, "wacom-tablet")) {
2413 dev = usb_wacom_init();
2414 } else if (strstart(devname, "serial:", &p)) {
2415 dev = usb_serial_init(p);
2416 #ifdef CONFIG_BRLAPI
2417 } else if (!strcmp(devname, "braille")) {
2418 dev = usb_baum_init();
2420 } else if (strstart(devname, "net:", &p)) {
2423 if (net_client_init("nic", p) < 0)
2425 nd_table[nic].model = "usb";
2426 dev = usb_net_init(&nd_table[nic]);
2433 return usb_device_add_dev(dev);
2436 int usb_device_del_addr(int bus_num, int addr)
2442 if (!used_usb_ports)
2448 lastp = &used_usb_ports;
2449 port = used_usb_ports;
2450 while (port && port->dev->addr != addr) {
2451 lastp = &port->next;
2459 *lastp = port->next;
2460 usb_attach(port, NULL);
2461 dev->handle_destroy(dev);
2462 port->next = free_usb_ports;
2463 free_usb_ports = port;
2467 static int usb_device_del(const char *devname)
2472 if (strstart(devname, "host:", &p))
2473 return usb_host_device_close(p);
2475 if (!used_usb_ports)
2478 p = strchr(devname, '.');
2481 bus_num = strtoul(devname, NULL, 0);
2482 addr = strtoul(p + 1, NULL, 0);
2484 return usb_device_del_addr(bus_num, addr);
2487 void do_usb_add(const char *devname)
2489 usb_device_add(devname);
2492 void do_usb_del(const char *devname)
2494 usb_device_del(devname);
2501 const char *speed_str;
2504 term_printf("USB support not enabled\n");
2508 for (port = used_usb_ports; port; port = port->next) {
2512 switch(dev->speed) {
2516 case USB_SPEED_FULL:
2519 case USB_SPEED_HIGH:
2526 term_printf(" Device %d.%d, Speed %s Mb/s, Product %s\n",
2527 0, dev->addr, speed_str, dev->devname);
2531 /***********************************************************/
2532 /* PCMCIA/Cardbus */
2534 static struct pcmcia_socket_entry_s {
2535 struct pcmcia_socket_s *socket;
2536 struct pcmcia_socket_entry_s *next;
2537 } *pcmcia_sockets = 0;
2539 void pcmcia_socket_register(struct pcmcia_socket_s *socket)
2541 struct pcmcia_socket_entry_s *entry;
2543 entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s));
2544 entry->socket = socket;
2545 entry->next = pcmcia_sockets;
2546 pcmcia_sockets = entry;
2549 void pcmcia_socket_unregister(struct pcmcia_socket_s *socket)
2551 struct pcmcia_socket_entry_s *entry, **ptr;
2553 ptr = &pcmcia_sockets;
2554 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
2555 if (entry->socket == socket) {
2561 void pcmcia_info(void)
2563 struct pcmcia_socket_entry_s *iter;
2564 if (!pcmcia_sockets)
2565 term_printf("No PCMCIA sockets\n");
2567 for (iter = pcmcia_sockets; iter; iter = iter->next)
2568 term_printf("%s: %s\n", iter->socket->slot_string,
2569 iter->socket->attached ? iter->socket->card_string :
2573 /***********************************************************/
2576 static void dumb_update(DisplayState *ds, int x, int y, int w, int h)
2580 static void dumb_resize(DisplayState *ds, int w, int h)
2584 static void dumb_display_init(DisplayState *ds)
2589 ds->dpy_update = dumb_update;
2590 ds->dpy_resize = dumb_resize;
2591 ds->dpy_refresh = NULL;
2592 ds->gui_timer_interval = 0;
2596 /***********************************************************/
2599 #define MAX_IO_HANDLERS 64
2601 typedef struct IOHandlerRecord {
2603 IOCanRWHandler *fd_read_poll;
2605 IOHandler *fd_write;
2608 /* temporary data */
2610 struct IOHandlerRecord *next;
2613 static IOHandlerRecord *first_io_handler;
2615 /* XXX: fd_read_poll should be suppressed, but an API change is
2616 necessary in the character devices to suppress fd_can_read(). */
2617 int qemu_set_fd_handler2(int fd,
2618 IOCanRWHandler *fd_read_poll,
2620 IOHandler *fd_write,
2623 IOHandlerRecord **pioh, *ioh;
2625 if (!fd_read && !fd_write) {
2626 pioh = &first_io_handler;
2631 if (ioh->fd == fd) {
2638 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
2642 ioh = qemu_mallocz(sizeof(IOHandlerRecord));
2645 ioh->next = first_io_handler;
2646 first_io_handler = ioh;
2649 ioh->fd_read_poll = fd_read_poll;
2650 ioh->fd_read = fd_read;
2651 ioh->fd_write = fd_write;
2652 ioh->opaque = opaque;
2658 int qemu_set_fd_handler(int fd,
2660 IOHandler *fd_write,
2663 return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque);
2667 /***********************************************************/
2668 /* Polling handling */
2670 typedef struct PollingEntry {
2673 struct PollingEntry *next;
2676 static PollingEntry *first_polling_entry;
2678 int qemu_add_polling_cb(PollingFunc *func, void *opaque)
2680 PollingEntry **ppe, *pe;
2681 pe = qemu_mallocz(sizeof(PollingEntry));
2685 pe->opaque = opaque;
2686 for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next);
2691 void qemu_del_polling_cb(PollingFunc *func, void *opaque)
2693 PollingEntry **ppe, *pe;
2694 for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) {
2696 if (pe->func == func && pe->opaque == opaque) {
2704 /***********************************************************/
2705 /* Wait objects support */
2706 typedef struct WaitObjects {
2708 HANDLE events[MAXIMUM_WAIT_OBJECTS + 1];
2709 WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1];
2710 void *opaque[MAXIMUM_WAIT_OBJECTS + 1];
2713 static WaitObjects wait_objects = {0};
2715 int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
2717 WaitObjects *w = &wait_objects;
2719 if (w->num >= MAXIMUM_WAIT_OBJECTS)
2721 w->events[w->num] = handle;
2722 w->func[w->num] = func;
2723 w->opaque[w->num] = opaque;
2728 void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
2731 WaitObjects *w = &wait_objects;
2734 for (i = 0; i < w->num; i++) {
2735 if (w->events[i] == handle)
2738 w->events[i] = w->events[i + 1];
2739 w->func[i] = w->func[i + 1];
2740 w->opaque[i] = w->opaque[i + 1];
2748 #define SELF_ANNOUNCE_ROUNDS 5
2749 #define ETH_P_EXPERIMENTAL 0x01F1 /* just a number */
2750 //#define ETH_P_EXPERIMENTAL 0x0012 /* make it the size of the packet */
2751 #define EXPERIMENTAL_MAGIC 0xf1f23f4f
2753 static int announce_self_create(uint8_t *buf,
2756 uint32_t magic = EXPERIMENTAL_MAGIC;
2757 uint16_t proto = htons(ETH_P_EXPERIMENTAL);
2759 /* FIXME: should we send a different packet (arp/rarp/ping)? */
2761 memset(buf, 0xff, 6); /* h_dst */
2762 memcpy(buf + 6, mac_addr, 6); /* h_src */
2763 memcpy(buf + 12, &proto, 2); /* h_proto */
2764 memcpy(buf + 14, &magic, 4); /* magic */
2766 return 18; /* len */
2769 void qemu_announce_self(void)
2773 VLANClientState *vc;
2776 for (i = 0; i < nb_nics; i++) {
2777 len = announce_self_create(buf, nd_table[i].macaddr);
2778 vlan = nd_table[i].vlan;
2779 for(vc = vlan->first_client; vc != NULL; vc = vc->next) {
2780 for (j=0; j < SELF_ANNOUNCE_ROUNDS; j++)
2781 vc->fd_read(vc->opaque, buf, len);
2786 /***********************************************************/
2787 /* savevm/loadvm support */
2789 #define IO_BUF_SIZE 32768
2792 QEMUFilePutBufferFunc *put_buffer;
2793 QEMUFileGetBufferFunc *get_buffer;
2794 QEMUFileCloseFunc *close;
2795 QEMUFileRateLimit *rate_limit;
2799 int64_t buf_offset; /* start of buffer when writing, end of buffer
2802 int buf_size; /* 0 when writing */
2803 uint8_t buf[IO_BUF_SIZE];
2808 typedef struct QEMUFileSocket
2814 static int socket_get_buffer(void *opaque, uint8_t *buf, int64_t pos, int size)
2816 QEMUFileSocket *s = opaque;
2820 len = recv(s->fd, buf, size, 0);
2821 } while (len == -1 && socket_error() == EINTR);
2824 len = -socket_error();
2829 static int socket_close(void *opaque)
2831 QEMUFileSocket *s = opaque;
2836 QEMUFile *qemu_fopen_socket(int fd)
2838 QEMUFileSocket *s = qemu_mallocz(sizeof(QEMUFileSocket));
2844 s->file = qemu_fopen_ops(s, NULL, socket_get_buffer, socket_close, NULL);
2848 typedef struct QEMUFileStdio
2853 static int file_put_buffer(void *opaque, const uint8_t *buf,
2854 int64_t pos, int size)
2856 QEMUFileStdio *s = opaque;
2857 fseek(s->outfile, pos, SEEK_SET);
2858 fwrite(buf, 1, size, s->outfile);
2862 static int file_get_buffer(void *opaque, uint8_t *buf, int64_t pos, int size)
2864 QEMUFileStdio *s = opaque;
2865 fseek(s->outfile, pos, SEEK_SET);
2866 return fread(buf, 1, size, s->outfile);
2869 static int file_close(void *opaque)
2871 QEMUFileStdio *s = opaque;
2877 QEMUFile *qemu_fopen(const char *filename, const char *mode)
2881 s = qemu_mallocz(sizeof(QEMUFileStdio));
2885 s->outfile = fopen(filename, mode);
2889 if (!strcmp(mode, "wb"))
2890 return qemu_fopen_ops(s, file_put_buffer, NULL, file_close, NULL);
2891 else if (!strcmp(mode, "rb"))
2892 return qemu_fopen_ops(s, NULL, file_get_buffer, file_close, NULL);
2901 typedef struct QEMUFileBdrv
2903 BlockDriverState *bs;
2904 int64_t base_offset;
2907 static int bdrv_put_buffer(void *opaque, const uint8_t *buf,
2908 int64_t pos, int size)
2910 QEMUFileBdrv *s = opaque;
2911 bdrv_pwrite(s->bs, s->base_offset + pos, buf, size);
2915 static int bdrv_get_buffer(void *opaque, uint8_t *buf, int64_t pos, int size)
2917 QEMUFileBdrv *s = opaque;
2918 return bdrv_pread(s->bs, s->base_offset + pos, buf, size);
2921 static int bdrv_fclose(void *opaque)
2923 QEMUFileBdrv *s = opaque;
2928 static QEMUFile *qemu_fopen_bdrv(BlockDriverState *bs, int64_t offset, int is_writable)
2932 s = qemu_mallocz(sizeof(QEMUFileBdrv));
2937 s->base_offset = offset;
2940 return qemu_fopen_ops(s, bdrv_put_buffer, NULL, bdrv_fclose, NULL);
2942 return qemu_fopen_ops(s, NULL, bdrv_get_buffer, bdrv_fclose, NULL);
2945 QEMUFile *qemu_fopen_ops(void *opaque, QEMUFilePutBufferFunc *put_buffer,
2946 QEMUFileGetBufferFunc *get_buffer,
2947 QEMUFileCloseFunc *close,
2948 QEMUFileRateLimit *rate_limit)
2952 f = qemu_mallocz(sizeof(QEMUFile));
2957 f->put_buffer = put_buffer;
2958 f->get_buffer = get_buffer;
2960 f->rate_limit = rate_limit;
2966 int qemu_file_has_error(QEMUFile *f)
2968 return f->has_error;
2971 void qemu_fflush(QEMUFile *f)
2976 if (f->is_write && f->buf_index > 0) {
2979 len = f->put_buffer(f->opaque, f->buf, f->buf_offset, f->buf_index);
2981 f->buf_offset += f->buf_index;
2988 static void qemu_fill_buffer(QEMUFile *f)
2998 len = f->get_buffer(f->opaque, f->buf, f->buf_offset, IO_BUF_SIZE);
3002 f->buf_offset += len;
3003 } else if (len != -EAGAIN)
3007 int qemu_fclose(QEMUFile *f)
3012 ret = f->close(f->opaque);
3017 void qemu_file_put_notify(QEMUFile *f)
3019 f->put_buffer(f->opaque, NULL, 0, 0);
3022 void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size)
3026 if (!f->has_error && f->is_write == 0 && f->buf_index > 0) {
3028 "Attempted to write to buffer while read buffer is not empty\n");
3032 while (!f->has_error && size > 0) {
3033 l = IO_BUF_SIZE - f->buf_index;
3036 memcpy(f->buf + f->buf_index, buf, l);
3041 if (f->buf_index >= IO_BUF_SIZE)
3046 void qemu_put_byte(QEMUFile *f, int v)
3048 if (!f->has_error && f->is_write == 0 && f->buf_index > 0) {
3050 "Attempted to write to buffer while read buffer is not empty\n");
3054 f->buf[f->buf_index++] = v;
3056 if (f->buf_index >= IO_BUF_SIZE)
3060 int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size1)
3069 l = f->buf_size - f->buf_index;
3071 qemu_fill_buffer(f);
3072 l = f->buf_size - f->buf_index;
3078 memcpy(buf, f->buf + f->buf_index, l);
3083 return size1 - size;
3086 int qemu_get_byte(QEMUFile *f)
3091 if (f->buf_index >= f->buf_size) {
3092 qemu_fill_buffer(f);
3093 if (f->buf_index >= f->buf_size)
3096 return f->buf[f->buf_index++];
3099 int64_t qemu_ftell(QEMUFile *f)
3101 return f->buf_offset - f->buf_size + f->buf_index;
3104 int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence)
3106 if (whence == SEEK_SET) {
3108 } else if (whence == SEEK_CUR) {
3109 pos += qemu_ftell(f);
3111 /* SEEK_END not supported */
3114 if (f->put_buffer) {
3116 f->buf_offset = pos;
3118 f->buf_offset = pos;
3125 int qemu_file_rate_limit(QEMUFile *f)
3128 return f->rate_limit(f->opaque);
3133 void qemu_put_be16(QEMUFile *f, unsigned int v)
3135 qemu_put_byte(f, v >> 8);
3136 qemu_put_byte(f, v);
3139 void qemu_put_be32(QEMUFile *f, unsigned int v)
3141 qemu_put_byte(f, v >> 24);
3142 qemu_put_byte(f, v >> 16);
3143 qemu_put_byte(f, v >> 8);
3144 qemu_put_byte(f, v);
3147 void qemu_put_be64(QEMUFile *f, uint64_t v)
3149 qemu_put_be32(f, v >> 32);
3150 qemu_put_be32(f, v);
3153 unsigned int qemu_get_be16(QEMUFile *f)
3156 v = qemu_get_byte(f) << 8;
3157 v |= qemu_get_byte(f);
3161 unsigned int qemu_get_be32(QEMUFile *f)
3164 v = qemu_get_byte(f) << 24;
3165 v |= qemu_get_byte(f) << 16;
3166 v |= qemu_get_byte(f) << 8;
3167 v |= qemu_get_byte(f);
3171 uint64_t qemu_get_be64(QEMUFile *f)
3174 v = (uint64_t)qemu_get_be32(f) << 32;
3175 v |= qemu_get_be32(f);
3179 typedef struct SaveStateEntry {
3184 SaveLiveStateHandler *save_live_state;
3185 SaveStateHandler *save_state;
3186 LoadStateHandler *load_state;
3188 struct SaveStateEntry *next;
3191 static SaveStateEntry *first_se;
3193 /* TODO: Individual devices generally have very little idea about the rest
3194 of the system, so instance_id should be removed/replaced.
3195 Meanwhile pass -1 as instance_id if you do not already have a clearly
3196 distinguishing id for all instances of your device class. */
3197 int register_savevm_live(const char *idstr,
3200 SaveLiveStateHandler *save_live_state,
3201 SaveStateHandler *save_state,
3202 LoadStateHandler *load_state,
3205 SaveStateEntry *se, **pse;
3206 static int global_section_id;
3208 se = qemu_malloc(sizeof(SaveStateEntry));
3211 pstrcpy(se->idstr, sizeof(se->idstr), idstr);
3212 se->instance_id = (instance_id == -1) ? 0 : instance_id;
3213 se->version_id = version_id;
3214 se->section_id = global_section_id++;
3215 se->save_live_state = save_live_state;
3216 se->save_state = save_state;
3217 se->load_state = load_state;
3218 se->opaque = opaque;
3221 /* add at the end of list */
3223 while (*pse != NULL) {
3224 if (instance_id == -1
3225 && strcmp(se->idstr, (*pse)->idstr) == 0
3226 && se->instance_id <= (*pse)->instance_id)
3227 se->instance_id = (*pse)->instance_id + 1;
3228 pse = &(*pse)->next;
3234 int register_savevm(const char *idstr,
3237 SaveStateHandler *save_state,
3238 LoadStateHandler *load_state,
3241 return register_savevm_live(idstr, instance_id, version_id,
3242 NULL, save_state, load_state, opaque);
3245 #define QEMU_VM_FILE_MAGIC 0x5145564d
3246 #define QEMU_VM_FILE_VERSION_COMPAT 0x00000002
3247 #define QEMU_VM_FILE_VERSION 0x00000003
3249 #define QEMU_VM_EOF 0x00
3250 #define QEMU_VM_SECTION_START 0x01
3251 #define QEMU_VM_SECTION_PART 0x02
3252 #define QEMU_VM_SECTION_END 0x03
3253 #define QEMU_VM_SECTION_FULL 0x04
3255 int qemu_savevm_state_begin(QEMUFile *f)
3259 qemu_put_be32(f, QEMU_VM_FILE_MAGIC);
3260 qemu_put_be32(f, QEMU_VM_FILE_VERSION);
3262 for (se = first_se; se != NULL; se = se->next) {
3265 if (se->save_live_state == NULL)
3269 qemu_put_byte(f, QEMU_VM_SECTION_START);
3270 qemu_put_be32(f, se->section_id);
3273 len = strlen(se->idstr);
3274 qemu_put_byte(f, len);
3275 qemu_put_buffer(f, (uint8_t *)se->idstr, len);
3277 qemu_put_be32(f, se->instance_id);
3278 qemu_put_be32(f, se->version_id);
3280 se->save_live_state(f, QEMU_VM_SECTION_START, se->opaque);
3283 if (qemu_file_has_error(f))
3289 int qemu_savevm_state_iterate(QEMUFile *f)
3294 for (se = first_se; se != NULL; se = se->next) {
3295 if (se->save_live_state == NULL)
3299 qemu_put_byte(f, QEMU_VM_SECTION_PART);
3300 qemu_put_be32(f, se->section_id);
3302 ret &= !!se->save_live_state(f, QEMU_VM_SECTION_PART, se->opaque);
3308 if (qemu_file_has_error(f))
3314 int qemu_savevm_state_complete(QEMUFile *f)
3318 for (se = first_se; se != NULL; se = se->next) {
3319 if (se->save_live_state == NULL)
3323 qemu_put_byte(f, QEMU_VM_SECTION_END);
3324 qemu_put_be32(f, se->section_id);
3326 se->save_live_state(f, QEMU_VM_SECTION_END, se->opaque);
3329 for(se = first_se; se != NULL; se = se->next) {
3332 if (se->save_state == NULL)
3336 qemu_put_byte(f, QEMU_VM_SECTION_FULL);
3337 qemu_put_be32(f, se->section_id);
3340 len = strlen(se->idstr);
3341 qemu_put_byte(f, len);
3342 qemu_put_buffer(f, (uint8_t *)se->idstr, len);
3344 qemu_put_be32(f, se->instance_id);
3345 qemu_put_be32(f, se->version_id);
3347 se->save_state(f, se->opaque);
3350 qemu_put_byte(f, QEMU_VM_EOF);
3352 if (qemu_file_has_error(f))
3358 int qemu_savevm_state(QEMUFile *f)
3360 int saved_vm_running;
3363 saved_vm_running = vm_running;
3368 ret = qemu_savevm_state_begin(f);
3373 ret = qemu_savevm_state_iterate(f);
3378 ret = qemu_savevm_state_complete(f);
3381 if (qemu_file_has_error(f))
3384 if (!ret && saved_vm_running)
3390 static SaveStateEntry *find_se(const char *idstr, int instance_id)
3394 for(se = first_se; se != NULL; se = se->next) {
3395 if (!strcmp(se->idstr, idstr) &&
3396 instance_id == se->instance_id)
3402 typedef struct LoadStateEntry {
3406 struct LoadStateEntry *next;
3409 static int qemu_loadvm_state_v2(QEMUFile *f)
3412 int len, ret, instance_id, record_len, version_id;
3413 int64_t total_len, end_pos, cur_pos;
3416 total_len = qemu_get_be64(f);
3417 end_pos = total_len + qemu_ftell(f);
3419 if (qemu_ftell(f) >= end_pos)
3421 len = qemu_get_byte(f);
3422 qemu_get_buffer(f, (uint8_t *)idstr, len);
3424 instance_id = qemu_get_be32(f);
3425 version_id = qemu_get_be32(f);
3426 record_len = qemu_get_be32(f);
3427 cur_pos = qemu_ftell(f);
3428 se = find_se(idstr, instance_id);
3430 fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n",
3431 instance_id, idstr);
3433 ret = se->load_state(f, se->opaque, version_id);
3435 fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n",
3436 instance_id, idstr);
3439 /* always seek to exact end of record */
3440 qemu_fseek(f, cur_pos + record_len, SEEK_SET);
3443 if (qemu_file_has_error(f))
3449 int qemu_loadvm_state(QEMUFile *f)
3451 LoadStateEntry *first_le = NULL;
3452 uint8_t section_type;
3456 v = qemu_get_be32(f);
3457 if (v != QEMU_VM_FILE_MAGIC)
3460 v = qemu_get_be32(f);
3461 if (v == QEMU_VM_FILE_VERSION_COMPAT)
3462 return qemu_loadvm_state_v2(f);
3463 if (v != QEMU_VM_FILE_VERSION)
3466 while ((section_type = qemu_get_byte(f)) != QEMU_VM_EOF) {
3467 uint32_t instance_id, version_id, section_id;
3473 switch (section_type) {
3474 case QEMU_VM_SECTION_START:
3475 case QEMU_VM_SECTION_FULL:
3476 /* Read section start */
3477 section_id = qemu_get_be32(f);
3478 len = qemu_get_byte(f);
3479 qemu_get_buffer(f, (uint8_t *)idstr, len);
3481 instance_id = qemu_get_be32(f);
3482 version_id = qemu_get_be32(f);
3484 /* Find savevm section */
3485 se = find_se(idstr, instance_id);
3487 fprintf(stderr, "Unknown savevm section or instance '%s' %d\n", idstr, instance_id);
3492 /* Validate version */
3493 if (version_id > se->version_id) {
3494 fprintf(stderr, "savevm: unsupported version %d for '%s' v%d\n",
3495 version_id, idstr, se->version_id);
3501 le = qemu_mallocz(sizeof(*le));
3508 le->section_id = section_id;
3509 le->version_id = version_id;
3510 le->next = first_le;
3513 le->se->load_state(f, le->se->opaque, le->version_id);
3515 case QEMU_VM_SECTION_PART:
3516 case QEMU_VM_SECTION_END:
3517 section_id = qemu_get_be32(f);
3519 for (le = first_le; le && le->section_id != section_id; le = le->next);
3521 fprintf(stderr, "Unknown savevm section %d\n", section_id);
3526 le->se->load_state(f, le->se->opaque, le->version_id);
3529 fprintf(stderr, "Unknown savevm section type %d\n", section_type);
3539 LoadStateEntry *le = first_le;
3540 first_le = first_le->next;
3544 if (qemu_file_has_error(f))
3550 /* device can contain snapshots */
3551 static int bdrv_can_snapshot(BlockDriverState *bs)
3554 !bdrv_is_removable(bs) &&
3555 !bdrv_is_read_only(bs));
3558 /* device must be snapshots in order to have a reliable snapshot */
3559 static int bdrv_has_snapshot(BlockDriverState *bs)
3562 !bdrv_is_removable(bs) &&
3563 !bdrv_is_read_only(bs));
3566 static BlockDriverState *get_bs_snapshots(void)
3568 BlockDriverState *bs;
3572 return bs_snapshots;
3573 for(i = 0; i <= nb_drives; i++) {
3574 bs = drives_table[i].bdrv;
3575 if (bdrv_can_snapshot(bs))
3584 static int bdrv_snapshot_find(BlockDriverState *bs, QEMUSnapshotInfo *sn_info,
3587 QEMUSnapshotInfo *sn_tab, *sn;
3591 nb_sns = bdrv_snapshot_list(bs, &sn_tab);
3594 for(i = 0; i < nb_sns; i++) {
3596 if (!strcmp(sn->id_str, name) || !strcmp(sn->name, name)) {
3606 void do_savevm(const char *name)
3608 BlockDriverState *bs, *bs1;
3609 QEMUSnapshotInfo sn1, *sn = &sn1, old_sn1, *old_sn = &old_sn1;
3610 int must_delete, ret, i;
3611 BlockDriverInfo bdi1, *bdi = &bdi1;
3613 int saved_vm_running;
3620 bs = get_bs_snapshots();
3622 term_printf("No block device can accept snapshots\n");
3626 /* ??? Should this occur after vm_stop? */
3629 saved_vm_running = vm_running;
3634 ret = bdrv_snapshot_find(bs, old_sn, name);
3639 memset(sn, 0, sizeof(*sn));
3641 pstrcpy(sn->name, sizeof(sn->name), old_sn->name);
3642 pstrcpy(sn->id_str, sizeof(sn->id_str), old_sn->id_str);
3645 pstrcpy(sn->name, sizeof(sn->name), name);
3648 /* fill auxiliary fields */
3651 sn->date_sec = tb.time;
3652 sn->date_nsec = tb.millitm * 1000000;
3654 gettimeofday(&tv, NULL);
3655 sn->date_sec = tv.tv_sec;
3656 sn->date_nsec = tv.tv_usec * 1000;
3658 sn->vm_clock_nsec = qemu_get_clock(vm_clock);
3660 if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) {
3661 term_printf("Device %s does not support VM state snapshots\n",
3662 bdrv_get_device_name(bs));
3666 /* save the VM state */
3667 f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 1);
3669 term_printf("Could not open VM state file\n");
3672 ret = qemu_savevm_state(f);
3673 sn->vm_state_size = qemu_ftell(f);
3676 term_printf("Error %d while writing VM\n", ret);
3680 /* create the snapshots */
3682 for(i = 0; i < nb_drives; i++) {
3683 bs1 = drives_table[i].bdrv;
3684 if (bdrv_has_snapshot(bs1)) {
3686 ret = bdrv_snapshot_delete(bs1, old_sn->id_str);
3688 term_printf("Error while deleting snapshot on '%s'\n",
3689 bdrv_get_device_name(bs1));
3692 ret = bdrv_snapshot_create(bs1, sn);
3694 term_printf("Error while creating snapshot on '%s'\n",
3695 bdrv_get_device_name(bs1));
3701 if (saved_vm_running)
3705 void do_loadvm(const char *name)
3707 BlockDriverState *bs, *bs1;
3708 BlockDriverInfo bdi1, *bdi = &bdi1;
3711 int saved_vm_running;
3713 bs = get_bs_snapshots();
3715 term_printf("No block device supports snapshots\n");
3719 /* Flush all IO requests so they don't interfere with the new state. */
3722 saved_vm_running = vm_running;
3725 for(i = 0; i <= nb_drives; i++) {
3726 bs1 = drives_table[i].bdrv;
3727 if (bdrv_has_snapshot(bs1)) {
3728 ret = bdrv_snapshot_goto(bs1, name);
3731 term_printf("Warning: ");
3734 term_printf("Snapshots not supported on device '%s'\n",
3735 bdrv_get_device_name(bs1));
3738 term_printf("Could not find snapshot '%s' on device '%s'\n",
3739 name, bdrv_get_device_name(bs1));
3742 term_printf("Error %d while activating snapshot on '%s'\n",
3743 ret, bdrv_get_device_name(bs1));
3746 /* fatal on snapshot block device */
3753 if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) {
3754 term_printf("Device %s does not support VM state snapshots\n",
3755 bdrv_get_device_name(bs));
3759 /* restore the VM state */
3760 f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 0);
3762 term_printf("Could not open VM state file\n");
3765 ret = qemu_loadvm_state(f);
3768 term_printf("Error %d while loading VM state\n", ret);
3771 if (saved_vm_running)
3775 void do_delvm(const char *name)
3777 BlockDriverState *bs, *bs1;
3780 bs = get_bs_snapshots();
3782 term_printf("No block device supports snapshots\n");
3786 for(i = 0; i <= nb_drives; i++) {
3787 bs1 = drives_table[i].bdrv;
3788 if (bdrv_has_snapshot(bs1)) {
3789 ret = bdrv_snapshot_delete(bs1, name);
3791 if (ret == -ENOTSUP)
3792 term_printf("Snapshots not supported on device '%s'\n",
3793 bdrv_get_device_name(bs1));
3795 term_printf("Error %d while deleting snapshot on '%s'\n",
3796 ret, bdrv_get_device_name(bs1));
3802 void do_info_snapshots(void)
3804 BlockDriverState *bs, *bs1;
3805 QEMUSnapshotInfo *sn_tab, *sn;
3809 bs = get_bs_snapshots();
3811 term_printf("No available block device supports snapshots\n");
3814 term_printf("Snapshot devices:");
3815 for(i = 0; i <= nb_drives; i++) {
3816 bs1 = drives_table[i].bdrv;
3817 if (bdrv_has_snapshot(bs1)) {
3819 term_printf(" %s", bdrv_get_device_name(bs1));
3824 nb_sns = bdrv_snapshot_list(bs, &sn_tab);
3826 term_printf("bdrv_snapshot_list: error %d\n", nb_sns);
3829 term_printf("Snapshot list (from %s):\n", bdrv_get_device_name(bs));
3830 term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), NULL));
3831 for(i = 0; i < nb_sns; i++) {
3833 term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), sn));
3838 /***********************************************************/
3839 /* ram save/restore */
3841 static int ram_get_page(QEMUFile *f, uint8_t *buf, int len)
3845 v = qemu_get_byte(f);
3848 if (qemu_get_buffer(f, buf, len) != len)
3852 v = qemu_get_byte(f);
3853 memset(buf, v, len);
3859 if (qemu_file_has_error(f))
3865 static int ram_load_v1(QEMUFile *f, void *opaque)
3870 if (qemu_get_be32(f) != phys_ram_size)
3872 for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) {
3873 ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE);
3880 #define BDRV_HASH_BLOCK_SIZE 1024
3881 #define IOBUF_SIZE 4096
3882 #define RAM_CBLOCK_MAGIC 0xfabe
3884 typedef struct RamDecompressState {
3887 uint8_t buf[IOBUF_SIZE];
3888 } RamDecompressState;
3890 static int ram_decompress_open(RamDecompressState *s, QEMUFile *f)
3893 memset(s, 0, sizeof(*s));
3895 ret = inflateInit(&s->zstream);
3901 static int ram_decompress_buf(RamDecompressState *s, uint8_t *buf, int len)
3905 s->zstream.avail_out = len;
3906 s->zstream.next_out = buf;
3907 while (s->zstream.avail_out > 0) {
3908 if (s->zstream.avail_in == 0) {
3909 if (qemu_get_be16(s->f) != RAM_CBLOCK_MAGIC)
3911 clen = qemu_get_be16(s->f);
3912 if (clen > IOBUF_SIZE)
3914 qemu_get_buffer(s->f, s->buf, clen);
3915 s->zstream.avail_in = clen;
3916 s->zstream.next_in = s->buf;
3918 ret = inflate(&s->zstream, Z_PARTIAL_FLUSH);
3919 if (ret != Z_OK && ret != Z_STREAM_END) {
3926 static void ram_decompress_close(RamDecompressState *s)
3928 inflateEnd(&s->zstream);
3931 #define RAM_SAVE_FLAG_FULL 0x01
3932 #define RAM_SAVE_FLAG_COMPRESS 0x02
3933 #define RAM_SAVE_FLAG_MEM_SIZE 0x04
3934 #define RAM_SAVE_FLAG_PAGE 0x08
3935 #define RAM_SAVE_FLAG_EOS 0x10
3937 static int is_dup_page(uint8_t *page, uint8_t ch)
3939 uint32_t val = ch << 24 | ch << 16 | ch << 8 | ch;
3940 uint32_t *array = (uint32_t *)page;
3943 for (i = 0; i < (TARGET_PAGE_SIZE / 4); i++) {
3944 if (array[i] != val)
3951 static int ram_save_block(QEMUFile *f)
3953 static ram_addr_t current_addr = 0;
3954 ram_addr_t saved_addr = current_addr;
3955 ram_addr_t addr = 0;
3958 while (addr < phys_ram_size) {
3959 if (cpu_physical_memory_get_dirty(current_addr, MIGRATION_DIRTY_FLAG)) {
3962 cpu_physical_memory_reset_dirty(current_addr,
3963 current_addr + TARGET_PAGE_SIZE,
3964 MIGRATION_DIRTY_FLAG);
3966 ch = *(phys_ram_base + current_addr);
3968 if (is_dup_page(phys_ram_base + current_addr, ch)) {
3969 qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_COMPRESS);
3970 qemu_put_byte(f, ch);
3972 qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_PAGE);
3973 qemu_put_buffer(f, phys_ram_base + current_addr, TARGET_PAGE_SIZE);
3979 addr += TARGET_PAGE_SIZE;
3980 current_addr = (saved_addr + addr) % phys_ram_size;
3986 static ram_addr_t ram_save_threshold = 10;
3988 static ram_addr_t ram_save_remaining(void)
3991 ram_addr_t count = 0;
3993 for (addr = 0; addr < phys_ram_size; addr += TARGET_PAGE_SIZE) {
3994 if (cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG))
4001 static int ram_save_live(QEMUFile *f, int stage, void *opaque)
4006 /* Make sure all dirty bits are set */
4007 for (addr = 0; addr < phys_ram_size; addr += TARGET_PAGE_SIZE) {
4008 if (!cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG))
4009 cpu_physical_memory_set_dirty(addr);
4012 /* Enable dirty memory tracking */
4013 cpu_physical_memory_set_dirty_tracking(1);
4015 qemu_put_be64(f, phys_ram_size | RAM_SAVE_FLAG_MEM_SIZE);
4018 while (!qemu_file_rate_limit(f)) {
4021 ret = ram_save_block(f);
4022 if (ret == 0) /* no more blocks */
4026 /* try transferring iterative blocks of memory */
4029 cpu_physical_memory_set_dirty_tracking(0);
4031 /* flush all remaining blocks regardless of rate limiting */
4032 while (ram_save_block(f) != 0);
4035 qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
4037 return (stage == 2) && (ram_save_remaining() < ram_save_threshold);
4040 static int ram_load_dead(QEMUFile *f, void *opaque)
4042 RamDecompressState s1, *s = &s1;
4046 if (ram_decompress_open(s, f) < 0)
4048 for(i = 0; i < phys_ram_size; i+= BDRV_HASH_BLOCK_SIZE) {
4049 if (ram_decompress_buf(s, buf, 1) < 0) {
4050 fprintf(stderr, "Error while reading ram block header\n");
4054 if (ram_decompress_buf(s, phys_ram_base + i, BDRV_HASH_BLOCK_SIZE) < 0) {
4055 fprintf(stderr, "Error while reading ram block address=0x%08" PRIx64, (uint64_t)i);
4060 printf("Error block header\n");
4064 ram_decompress_close(s);
4069 static int ram_load(QEMUFile *f, void *opaque, int version_id)
4074 if (version_id == 1)
4075 return ram_load_v1(f, opaque);
4077 if (version_id == 2) {
4078 if (qemu_get_be32(f) != phys_ram_size)
4080 return ram_load_dead(f, opaque);
4083 if (version_id != 3)
4087 addr = qemu_get_be64(f);
4089 flags = addr & ~TARGET_PAGE_MASK;
4090 addr &= TARGET_PAGE_MASK;
4092 if (flags & RAM_SAVE_FLAG_MEM_SIZE) {
4093 if (addr != phys_ram_size)
4097 if (flags & RAM_SAVE_FLAG_FULL) {
4098 if (ram_load_dead(f, opaque) < 0)
4102 if (flags & RAM_SAVE_FLAG_COMPRESS) {
4103 uint8_t ch = qemu_get_byte(f);
4104 memset(phys_ram_base + addr, ch, TARGET_PAGE_SIZE);
4105 } else if (flags & RAM_SAVE_FLAG_PAGE)
4106 qemu_get_buffer(f, phys_ram_base + addr, TARGET_PAGE_SIZE);
4107 } while (!(flags & RAM_SAVE_FLAG_EOS));
4112 void qemu_service_io(void)
4114 CPUState *env = cpu_single_env;
4116 cpu_interrupt(env, CPU_INTERRUPT_EXIT);
4118 if (env->kqemu_enabled) {
4119 kqemu_cpu_interrupt(env);
4125 /***********************************************************/
4126 /* bottom halves (can be seen as timers which expire ASAP) */
4137 static QEMUBH *first_bh = NULL;
4139 QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque)
4142 bh = qemu_mallocz(sizeof(QEMUBH));
4146 bh->opaque = opaque;
4147 bh->next = first_bh;
4152 int qemu_bh_poll(void)
4158 for (bh = first_bh; bh; bh = bh->next) {
4159 if (!bh->deleted && bh->scheduled) {
4168 /* remove deleted bhs */
4182 void qemu_bh_schedule_idle(QEMUBH *bh)
4190 void qemu_bh_schedule(QEMUBH *bh)
4192 CPUState *env = cpu_single_env;
4197 /* stop the currently executing CPU to execute the BH ASAP */
4199 cpu_interrupt(env, CPU_INTERRUPT_EXIT);
4203 void qemu_bh_cancel(QEMUBH *bh)
4208 void qemu_bh_delete(QEMUBH *bh)
4214 static void qemu_bh_update_timeout(int *timeout)
4218 for (bh = first_bh; bh; bh = bh->next) {
4219 if (!bh->deleted && bh->scheduled) {
4221 /* idle bottom halves will be polled at least
4223 *timeout = MIN(10, *timeout);
4225 /* non-idle bottom halves will be executed
4234 /***********************************************************/
4235 /* machine registration */
4237 static QEMUMachine *first_machine = NULL;
4239 int qemu_register_machine(QEMUMachine *m)
4242 pm = &first_machine;
4250 static QEMUMachine *find_machine(const char *name)
4254 for(m = first_machine; m != NULL; m = m->next) {
4255 if (!strcmp(m->name, name))
4261 /***********************************************************/
4262 /* main execution loop */
4264 static void gui_update(void *opaque)
4266 DisplayState *ds = opaque;
4267 ds->dpy_refresh(ds);
4268 qemu_mod_timer(ds->gui_timer,
4269 (ds->gui_timer_interval ?
4270 ds->gui_timer_interval :
4271 GUI_REFRESH_INTERVAL)
4272 + qemu_get_clock(rt_clock));
4275 struct vm_change_state_entry {
4276 VMChangeStateHandler *cb;
4278 LIST_ENTRY (vm_change_state_entry) entries;
4281 static LIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
4283 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
4286 VMChangeStateEntry *e;
4288 e = qemu_mallocz(sizeof (*e));
4294 LIST_INSERT_HEAD(&vm_change_state_head, e, entries);
4298 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
4300 LIST_REMOVE (e, entries);
4304 static void vm_state_notify(int running)
4306 VMChangeStateEntry *e;
4308 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
4309 e->cb(e->opaque, running);
4313 /* XXX: support several handlers */
4314 static VMStopHandler *vm_stop_cb;
4315 static void *vm_stop_opaque;
4317 int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque)
4320 vm_stop_opaque = opaque;
4324 void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque)
4335 qemu_rearm_alarm_timer(alarm_timer);
4339 void vm_stop(int reason)
4342 cpu_disable_ticks();
4346 vm_stop_cb(vm_stop_opaque, reason);
4353 /* reset/shutdown handler */
4355 typedef struct QEMUResetEntry {
4356 QEMUResetHandler *func;
4358 struct QEMUResetEntry *next;
4361 static QEMUResetEntry *first_reset_entry;
4362 static int reset_requested;
4363 static int shutdown_requested;
4364 static int powerdown_requested;
4366 int qemu_shutdown_requested(void)
4368 int r = shutdown_requested;
4369 shutdown_requested = 0;
4373 int qemu_reset_requested(void)
4375 int r = reset_requested;
4376 reset_requested = 0;
4380 int qemu_powerdown_requested(void)
4382 int r = powerdown_requested;
4383 powerdown_requested = 0;
4387 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
4389 QEMUResetEntry **pre, *re;
4391 pre = &first_reset_entry;
4392 while (*pre != NULL)
4393 pre = &(*pre)->next;
4394 re = qemu_mallocz(sizeof(QEMUResetEntry));
4396 re->opaque = opaque;
4401 void qemu_system_reset(void)
4405 /* reset all devices */
4406 for(re = first_reset_entry; re != NULL; re = re->next) {
4407 re->func(re->opaque);
4411 void qemu_system_reset_request(void)
4414 shutdown_requested = 1;
4416 reset_requested = 1;
4419 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
4422 void qemu_system_shutdown_request(void)
4424 shutdown_requested = 1;
4426 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
4429 void qemu_system_powerdown_request(void)
4431 powerdown_requested = 1;
4433 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
4437 void host_main_loop_wait(int *timeout)
4443 /* XXX: need to suppress polling by better using win32 events */
4445 for(pe = first_polling_entry; pe != NULL; pe = pe->next) {
4446 ret |= pe->func(pe->opaque);
4450 WaitObjects *w = &wait_objects;
4452 ret = WaitForMultipleObjects(w->num, w->events, FALSE, *timeout);
4453 if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) {
4454 if (w->func[ret - WAIT_OBJECT_0])
4455 w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]);
4457 /* Check for additional signaled events */
4458 for(i = (ret - WAIT_OBJECT_0 + 1); i < w->num; i++) {
4460 /* Check if event is signaled */
4461 ret2 = WaitForSingleObject(w->events[i], 0);
4462 if(ret2 == WAIT_OBJECT_0) {
4464 w->func[i](w->opaque[i]);
4465 } else if (ret2 == WAIT_TIMEOUT) {
4467 err = GetLastError();
4468 fprintf(stderr, "WaitForSingleObject error %d %d\n", i, err);
4471 } else if (ret == WAIT_TIMEOUT) {
4473 err = GetLastError();
4474 fprintf(stderr, "WaitForMultipleObjects error %d %d\n", ret, err);
4481 void host_main_loop_wait(int *timeout)
4486 void main_loop_wait(int timeout)
4488 IOHandlerRecord *ioh;
4489 fd_set rfds, wfds, xfds;
4493 qemu_bh_update_timeout(&timeout);
4495 host_main_loop_wait(&timeout);
4497 /* poll any events */
4498 /* XXX: separate device handlers from system ones */
4503 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
4507 (!ioh->fd_read_poll ||
4508 ioh->fd_read_poll(ioh->opaque) != 0)) {
4509 FD_SET(ioh->fd, &rfds);
4513 if (ioh->fd_write) {
4514 FD_SET(ioh->fd, &wfds);
4520 tv.tv_sec = timeout / 1000;
4521 tv.tv_usec = (timeout % 1000) * 1000;
4523 #if defined(CONFIG_SLIRP)
4524 if (slirp_is_inited()) {
4525 slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
4528 ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
4530 IOHandlerRecord **pioh;
4532 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
4533 if (!ioh->deleted && ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) {
4534 ioh->fd_read(ioh->opaque);
4536 if (!ioh->deleted && ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) {
4537 ioh->fd_write(ioh->opaque);
4541 /* remove deleted IO handlers */
4542 pioh = &first_io_handler;
4552 #if defined(CONFIG_SLIRP)
4553 if (slirp_is_inited()) {
4559 slirp_select_poll(&rfds, &wfds, &xfds);
4563 /* Check bottom-halves last in case any of the earlier events triggered
4569 static int main_loop(void)
4572 #ifdef CONFIG_PROFILER
4577 cur_cpu = first_cpu;
4578 next_cpu = cur_cpu->next_cpu ?: first_cpu;
4585 #ifdef CONFIG_PROFILER
4586 ti = profile_getclock();
4591 qemu_icount -= (env->icount_decr.u16.low + env->icount_extra);
4592 env->icount_decr.u16.low = 0;
4593 env->icount_extra = 0;
4594 count = qemu_next_deadline();
4595 count = (count + (1 << icount_time_shift) - 1)
4596 >> icount_time_shift;
4597 qemu_icount += count;
4598 decr = (count > 0xffff) ? 0xffff : count;
4600 env->icount_decr.u16.low = decr;
4601 env->icount_extra = count;
4603 ret = cpu_exec(env);
4604 #ifdef CONFIG_PROFILER
4605 qemu_time += profile_getclock() - ti;
4608 /* Fold pending instructions back into the
4609 instruction counter, and clear the interrupt flag. */
4610 qemu_icount -= (env->icount_decr.u16.low
4611 + env->icount_extra);
4612 env->icount_decr.u32 = 0;
4613 env->icount_extra = 0;
4615 next_cpu = env->next_cpu ?: first_cpu;
4616 if (event_pending && likely(ret != EXCP_DEBUG)) {
4617 ret = EXCP_INTERRUPT;
4621 if (ret == EXCP_HLT) {
4622 /* Give the next CPU a chance to run. */
4626 if (ret != EXCP_HALTED)
4628 /* all CPUs are halted ? */
4634 if (shutdown_requested) {
4635 ret = EXCP_INTERRUPT;
4643 if (reset_requested) {
4644 reset_requested = 0;
4645 qemu_system_reset();
4646 ret = EXCP_INTERRUPT;
4648 if (powerdown_requested) {
4649 powerdown_requested = 0;
4650 qemu_system_powerdown();
4651 ret = EXCP_INTERRUPT;
4653 if (unlikely(ret == EXCP_DEBUG)) {
4654 vm_stop(EXCP_DEBUG);
4656 /* If all cpus are halted then wait until the next IRQ */
4657 /* XXX: use timeout computed from timers */
4658 if (ret == EXCP_HALTED) {
4662 /* Advance virtual time to the next event. */
4663 if (use_icount == 1) {
4664 /* When not using an adaptive execution frequency
4665 we tend to get badly out of sync with real time,
4666 so just delay for a reasonable amount of time. */
4669 delta = cpu_get_icount() - cpu_get_clock();
4672 /* If virtual time is ahead of real time then just
4674 timeout = (delta / 1000000) + 1;
4676 /* Wait for either IO to occur or the next
4678 add = qemu_next_deadline();
4679 /* We advance the timer before checking for IO.
4680 Limit the amount we advance so that early IO
4681 activity won't get the guest too far ahead. */
4685 add = (add + (1 << icount_time_shift) - 1)
4686 >> icount_time_shift;
4688 timeout = delta / 1000000;
4699 if (shutdown_requested) {
4700 ret = EXCP_INTERRUPT;
4705 #ifdef CONFIG_PROFILER
4706 ti = profile_getclock();
4708 main_loop_wait(timeout);
4709 #ifdef CONFIG_PROFILER
4710 dev_time += profile_getclock() - ti;
4713 cpu_disable_ticks();
4717 static void help(int exitcode)
4719 printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n"
4720 "usage: %s [options] [disk_image]\n"
4722 "'disk_image' is a raw hard image image for IDE hard disk 0\n"
4724 "Standard options:\n"
4725 "-M machine select emulated machine (-M ? for list)\n"
4726 "-cpu cpu select CPU (-cpu ? for list)\n"
4727 "-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
4728 "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
4729 "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
4730 "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
4731 "-drive [file=file][,if=type][,bus=n][,unit=m][,media=d][,index=i]\n"
4732 " [,cyls=c,heads=h,secs=s[,trans=t]][,snapshot=on|off]\n"
4733 " [,cache=writethrough|writeback|none][,format=f]\n"
4734 " use 'file' as a drive image\n"
4735 "-mtdblock file use 'file' as on-board Flash memory image\n"
4736 "-sd file use 'file' as SecureDigital card image\n"
4737 "-pflash file use 'file' as a parallel flash image\n"
4738 "-boot [a|c|d|n] boot on floppy (a), hard disk (c), CD-ROM (d), or network (n)\n"
4739 "-snapshot write to temporary files instead of disk image files\n"
4741 "-no-frame open SDL window without a frame and window decorations\n"
4742 "-alt-grab use Ctrl-Alt-Shift to grab mouse (instead of Ctrl-Alt)\n"
4743 "-no-quit disable SDL window close capability\n"
4746 "-no-fd-bootchk disable boot signature checking for floppy disks\n"
4748 "-m megs set virtual RAM size to megs MB [default=%d]\n"
4749 "-smp n set the number of CPUs to 'n' [default=1]\n"
4750 "-nographic disable graphical output and redirect serial I/Os to console\n"
4751 "-portrait rotate graphical output 90 deg left (only PXA LCD)\n"
4753 "-k language use keyboard layout (for example \"fr\" for French)\n"
4756 "-audio-help print list of audio drivers and their options\n"
4757 "-soundhw c1,... enable audio support\n"
4758 " and only specified sound cards (comma separated list)\n"
4759 " use -soundhw ? to get the list of supported cards\n"
4760 " use -soundhw all to enable all of them\n"
4762 "-vga [std|cirrus|vmware]\n"
4763 " select video card type\n"
4764 "-localtime set the real time clock to local time [default=utc]\n"
4765 "-full-screen start in full screen\n"
4767 "-win2k-hack use it when installing Windows 2000 to avoid a disk full bug\n"
4769 "-usb enable the USB driver (will be the default soon)\n"
4770 "-usbdevice name add the host or guest USB device 'name'\n"
4771 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
4772 "-g WxH[xDEPTH] Set the initial graphical resolution and depth\n"
4774 "-name string set the name of the guest\n"
4775 "-uuid %%08x-%%04x-%%04x-%%04x-%%012x specify machine UUID\n"
4777 "Network options:\n"
4778 "-net nic[,vlan=n][,macaddr=addr][,model=type]\n"
4779 " create a new Network Interface Card and connect it to VLAN 'n'\n"
4781 "-net user[,vlan=n][,hostname=host]\n"
4782 " connect the user mode network stack to VLAN 'n' and send\n"
4783 " hostname 'host' to DHCP clients\n"
4786 "-net tap[,vlan=n],ifname=name\n"
4787 " connect the host TAP network interface to VLAN 'n'\n"
4789 "-net tap[,vlan=n][,fd=h][,ifname=name][,script=file][,downscript=dfile]\n"
4790 " connect the host TAP network interface to VLAN 'n' and use the\n"
4791 " network scripts 'file' (default=%s)\n"
4792 " and 'dfile' (default=%s);\n"
4793 " use '[down]script=no' to disable script execution;\n"
4794 " use 'fd=h' to connect to an already opened TAP interface\n"
4796 "-net socket[,vlan=n][,fd=h][,listen=[host]:port][,connect=host:port]\n"
4797 " connect the vlan 'n' to another VLAN using a socket connection\n"
4798 "-net socket[,vlan=n][,fd=h][,mcast=maddr:port]\n"
4799 " connect the vlan 'n' to multicast maddr and port\n"
4801 "-net vde[,vlan=n][,sock=socketpath][,port=n][,group=groupname][,mode=octalmode]\n"
4802 " connect the vlan 'n' to port 'n' of a vde switch running\n"
4803 " on host and listening for incoming connections on 'socketpath'.\n"
4804 " Use group 'groupname' and mode 'octalmode' to change default\n"
4805 " ownership and permissions for communication port.\n"
4807 "-net none use it alone to have zero network devices; if no -net option\n"
4808 " is provided, the default is '-net nic -net user'\n"
4811 "-tftp dir allow tftp access to files in dir [-net user]\n"
4812 "-bootp file advertise file in BOOTP replies\n"
4814 "-smb dir allow SMB access to files in 'dir' [-net user]\n"
4816 "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
4817 " redirect TCP or UDP connections from host to guest [-net user]\n"
4820 "Linux boot specific:\n"
4821 "-kernel bzImage use 'bzImage' as kernel image\n"
4822 "-append cmdline use 'cmdline' as kernel command line\n"
4823 "-initrd file use 'file' as initial ram disk\n"
4825 "Debug/Expert options:\n"
4826 "-monitor dev redirect the monitor to char device 'dev'\n"
4827 "-serial dev redirect the serial port to char device 'dev'\n"
4828 "-parallel dev redirect the parallel port to char device 'dev'\n"
4829 "-pidfile file Write PID to 'file'\n"
4830 "-S freeze CPU at startup (use 'c' to start execution)\n"
4831 "-s wait gdb connection to port\n"
4832 "-p port set gdb connection port [default=%s]\n"
4833 "-d item1,... output log to %s (use -d ? for a list of log items)\n"
4834 "-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n"
4835 " translation (t=none or lba) (usually qemu can guess them)\n"
4836 "-L path set the directory for the BIOS, VGA BIOS and keymaps\n"
4838 "-kernel-kqemu enable KQEMU full virtualization (default is user mode only)\n"
4839 "-no-kqemu disable KQEMU kernel module usage\n"
4842 "-enable-kvm enable KVM full virtualization support\n"
4845 "-no-acpi disable ACPI\n"
4847 #ifdef CONFIG_CURSES
4848 "-curses use a curses/ncurses interface instead of SDL\n"
4850 "-no-reboot exit instead of rebooting\n"
4851 "-no-shutdown stop before shutdown\n"
4852 "-loadvm [tag|id] start right away with a saved state (loadvm in monitor)\n"
4853 "-vnc display start a VNC server on display\n"
4855 "-daemonize daemonize QEMU after initializing\n"
4857 "-option-rom rom load a file, rom, into the option ROM space\n"
4859 "-prom-env variable=value set OpenBIOS nvram variables\n"
4861 "-clock force the use of the given methods for timer alarm.\n"
4862 " To see what timers are available use -clock ?\n"
4863 "-startdate select initial date of the clock\n"
4864 "-icount [N|auto]\n"
4865 " Enable virtual instruction counter with 2^N clock ticks per instruction\n"
4867 "During emulation, the following keys are useful:\n"
4868 "ctrl-alt-f toggle full screen\n"
4869 "ctrl-alt-n switch to virtual console 'n'\n"
4870 "ctrl-alt toggle mouse and keyboard grab\n"
4872 "When using -nographic, press 'ctrl-a h' to get some help.\n"
4877 DEFAULT_NETWORK_SCRIPT,
4878 DEFAULT_NETWORK_DOWN_SCRIPT,
4880 DEFAULT_GDBSTUB_PORT,
4885 #define HAS_ARG 0x0001
4900 QEMU_OPTION_mtdblock,
4904 QEMU_OPTION_snapshot,
4906 QEMU_OPTION_no_fd_bootchk,
4909 QEMU_OPTION_nographic,
4910 QEMU_OPTION_portrait,
4912 QEMU_OPTION_audio_help,
4913 QEMU_OPTION_soundhw,
4934 QEMU_OPTION_localtime,
4938 QEMU_OPTION_monitor,
4940 QEMU_OPTION_parallel,
4942 QEMU_OPTION_full_screen,
4943 QEMU_OPTION_no_frame,
4944 QEMU_OPTION_alt_grab,
4945 QEMU_OPTION_no_quit,
4946 QEMU_OPTION_pidfile,
4947 QEMU_OPTION_no_kqemu,
4948 QEMU_OPTION_kernel_kqemu,
4949 QEMU_OPTION_enable_kvm,
4950 QEMU_OPTION_win2k_hack,
4952 QEMU_OPTION_usbdevice,
4955 QEMU_OPTION_no_acpi,
4957 QEMU_OPTION_no_reboot,
4958 QEMU_OPTION_no_shutdown,
4959 QEMU_OPTION_show_cursor,
4960 QEMU_OPTION_daemonize,
4961 QEMU_OPTION_option_rom,
4962 QEMU_OPTION_semihosting,
4964 QEMU_OPTION_prom_env,
4965 QEMU_OPTION_old_param,
4967 QEMU_OPTION_startdate,
4968 QEMU_OPTION_tb_size,
4971 QEMU_OPTION_incoming,
4974 typedef struct QEMUOption {
4980 static const QEMUOption qemu_options[] = {
4981 { "h", 0, QEMU_OPTION_h },
4982 { "help", 0, QEMU_OPTION_h },
4984 { "M", HAS_ARG, QEMU_OPTION_M },
4985 { "cpu", HAS_ARG, QEMU_OPTION_cpu },
4986 { "fda", HAS_ARG, QEMU_OPTION_fda },
4987 { "fdb", HAS_ARG, QEMU_OPTION_fdb },
4988 { "hda", HAS_ARG, QEMU_OPTION_hda },
4989 { "hdb", HAS_ARG, QEMU_OPTION_hdb },
4990 { "hdc", HAS_ARG, QEMU_OPTION_hdc },
4991 { "hdd", HAS_ARG, QEMU_OPTION_hdd },
4992 { "drive", HAS_ARG, QEMU_OPTION_drive },
4993 { "cdrom", HAS_ARG, QEMU_OPTION_cdrom },
4994 { "mtdblock", HAS_ARG, QEMU_OPTION_mtdblock },
4995 { "sd", HAS_ARG, QEMU_OPTION_sd },
4996 { "pflash", HAS_ARG, QEMU_OPTION_pflash },
4997 { "boot", HAS_ARG, QEMU_OPTION_boot },
4998 { "snapshot", 0, QEMU_OPTION_snapshot },
5000 { "no-fd-bootchk", 0, QEMU_OPTION_no_fd_bootchk },
5002 { "m", HAS_ARG, QEMU_OPTION_m },
5003 { "nographic", 0, QEMU_OPTION_nographic },
5004 { "portrait", 0, QEMU_OPTION_portrait },
5005 { "k", HAS_ARG, QEMU_OPTION_k },
5007 { "audio-help", 0, QEMU_OPTION_audio_help },
5008 { "soundhw", HAS_ARG, QEMU_OPTION_soundhw },
5011 { "net", HAS_ARG, QEMU_OPTION_net},
5013 { "tftp", HAS_ARG, QEMU_OPTION_tftp },
5014 { "bootp", HAS_ARG, QEMU_OPTION_bootp },
5016 { "smb", HAS_ARG, QEMU_OPTION_smb },
5018 { "redir", HAS_ARG, QEMU_OPTION_redir },
5021 { "kernel", HAS_ARG, QEMU_OPTION_kernel },
5022 { "append", HAS_ARG, QEMU_OPTION_append },
5023 { "initrd", HAS_ARG, QEMU_OPTION_initrd },
5025 { "S", 0, QEMU_OPTION_S },
5026 { "s", 0, QEMU_OPTION_s },
5027 { "p", HAS_ARG, QEMU_OPTION_p },
5028 { "d", HAS_ARG, QEMU_OPTION_d },
5029 { "hdachs", HAS_ARG, QEMU_OPTION_hdachs },
5030 { "L", HAS_ARG, QEMU_OPTION_L },
5031 { "bios", HAS_ARG, QEMU_OPTION_bios },
5033 { "no-kqemu", 0, QEMU_OPTION_no_kqemu },
5034 { "kernel-kqemu", 0, QEMU_OPTION_kernel_kqemu },
5037 { "enable-kvm", 0, QEMU_OPTION_enable_kvm },
5039 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
5040 { "g", 1, QEMU_OPTION_g },
5042 { "localtime", 0, QEMU_OPTION_localtime },
5043 { "vga", HAS_ARG, QEMU_OPTION_vga },
5044 { "echr", HAS_ARG, QEMU_OPTION_echr },
5045 { "monitor", HAS_ARG, QEMU_OPTION_monitor },
5046 { "serial", HAS_ARG, QEMU_OPTION_serial },
5047 { "parallel", HAS_ARG, QEMU_OPTION_parallel },
5048 { "loadvm", HAS_ARG, QEMU_OPTION_loadvm },
5049 { "full-screen", 0, QEMU_OPTION_full_screen },
5051 { "no-frame", 0, QEMU_OPTION_no_frame },
5052 { "alt-grab", 0, QEMU_OPTION_alt_grab },
5053 { "no-quit", 0, QEMU_OPTION_no_quit },
5055 { "pidfile", HAS_ARG, QEMU_OPTION_pidfile },
5056 { "win2k-hack", 0, QEMU_OPTION_win2k_hack },
5057 { "usbdevice", HAS_ARG, QEMU_OPTION_usbdevice },
5058 { "smp", HAS_ARG, QEMU_OPTION_smp },
5059 { "vnc", HAS_ARG, QEMU_OPTION_vnc },
5060 #ifdef CONFIG_CURSES
5061 { "curses", 0, QEMU_OPTION_curses },
5063 { "uuid", HAS_ARG, QEMU_OPTION_uuid },
5065 /* temporary options */
5066 { "usb", 0, QEMU_OPTION_usb },
5067 { "no-acpi", 0, QEMU_OPTION_no_acpi },
5068 { "no-reboot", 0, QEMU_OPTION_no_reboot },
5069 { "no-shutdown", 0, QEMU_OPTION_no_shutdown },
5070 { "show-cursor", 0, QEMU_OPTION_show_cursor },
5071 { "daemonize", 0, QEMU_OPTION_daemonize },
5072 { "option-rom", HAS_ARG, QEMU_OPTION_option_rom },
5073 #if defined(TARGET_ARM) || defined(TARGET_M68K)
5074 { "semihosting", 0, QEMU_OPTION_semihosting },
5076 { "name", HAS_ARG, QEMU_OPTION_name },
5077 #if defined(TARGET_SPARC)
5078 { "prom-env", HAS_ARG, QEMU_OPTION_prom_env },
5080 #if defined(TARGET_ARM)
5081 { "old-param", 0, QEMU_OPTION_old_param },
5083 { "clock", HAS_ARG, QEMU_OPTION_clock },
5084 { "startdate", HAS_ARG, QEMU_OPTION_startdate },
5085 { "tb-size", HAS_ARG, QEMU_OPTION_tb_size },
5086 { "icount", HAS_ARG, QEMU_OPTION_icount },
5087 { "incoming", HAS_ARG, QEMU_OPTION_incoming },
5091 /* password input */
5093 int qemu_key_check(BlockDriverState *bs, const char *name)
5098 if (!bdrv_is_encrypted(bs))
5101 term_printf("%s is encrypted.\n", name);
5102 for(i = 0; i < 3; i++) {
5103 monitor_readline("Password: ", 1, password, sizeof(password));
5104 if (bdrv_set_key(bs, password) == 0)
5106 term_printf("invalid password\n");
5111 static BlockDriverState *get_bdrv(int index)
5113 if (index > nb_drives)
5115 return drives_table[index].bdrv;
5118 static void read_passwords(void)
5120 BlockDriverState *bs;
5123 for(i = 0; i < 6; i++) {
5126 qemu_key_check(bs, bdrv_get_device_name(bs));
5131 struct soundhw soundhw[] = {
5132 #ifdef HAS_AUDIO_CHOICE
5133 #if defined(TARGET_I386) || defined(TARGET_MIPS)
5139 { .init_isa = pcspk_audio_init }
5144 "Creative Sound Blaster 16",
5147 { .init_isa = SB16_init }
5150 #ifdef CONFIG_CS4231A
5156 { .init_isa = cs4231a_init }
5164 "Yamaha YMF262 (OPL3)",
5166 "Yamaha YM3812 (OPL2)",
5170 { .init_isa = Adlib_init }
5177 "Gravis Ultrasound GF1",
5180 { .init_isa = GUS_init }
5187 "Intel 82801AA AC97 Audio",
5190 { .init_pci = ac97_init }
5196 "ENSONIQ AudioPCI ES1370",
5199 { .init_pci = es1370_init }
5203 { NULL, NULL, 0, 0, { NULL } }
5206 static void select_soundhw (const char *optarg)
5210 if (*optarg == '?') {
5213 printf ("Valid sound card names (comma separated):\n");
5214 for (c = soundhw; c->name; ++c) {
5215 printf ("%-11s %s\n", c->name, c->descr);
5217 printf ("\n-soundhw all will enable all of the above\n");
5218 exit (*optarg != '?');
5226 if (!strcmp (optarg, "all")) {
5227 for (c = soundhw; c->name; ++c) {
5235 e = strchr (p, ',');
5236 l = !e ? strlen (p) : (size_t) (e - p);
5238 for (c = soundhw; c->name; ++c) {
5239 if (!strncmp (c->name, p, l)) {
5248 "Unknown sound card name (too big to show)\n");
5251 fprintf (stderr, "Unknown sound card name `%.*s'\n",
5256 p += l + (e != NULL);
5260 goto show_valid_cards;
5265 static void select_vgahw (const char *p)
5269 if (strstart(p, "std", &opts)) {
5270 cirrus_vga_enabled = 0;
5272 } else if (strstart(p, "cirrus", &opts)) {
5273 cirrus_vga_enabled = 1;
5275 } else if (strstart(p, "vmware", &opts)) {
5276 cirrus_vga_enabled = 0;
5280 fprintf(stderr, "Unknown vga type: %s\n", p);
5284 const char *nextopt;
5286 if (strstart(opts, ",retrace=", &nextopt)) {
5288 if (strstart(opts, "dumb", &nextopt))
5289 vga_retrace_method = VGA_RETRACE_DUMB;
5290 else if (strstart(opts, "precise", &nextopt))
5291 vga_retrace_method = VGA_RETRACE_PRECISE;
5292 else goto invalid_vga;
5293 } else goto invalid_vga;
5299 static BOOL WINAPI qemu_ctrl_handler(DWORD type)
5301 exit(STATUS_CONTROL_C_EXIT);
5306 static int qemu_uuid_parse(const char *str, uint8_t *uuid)
5310 if(strlen(str) != 36)
5313 ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3],
5314 &uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9],
5315 &uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14], &uuid[15]);
5323 #define MAX_NET_CLIENTS 32
5327 static void termsig_handler(int signal)
5329 qemu_system_shutdown_request();
5332 static void termsig_setup(void)
5334 struct sigaction act;
5336 memset(&act, 0, sizeof(act));
5337 act.sa_handler = termsig_handler;
5338 sigaction(SIGINT, &act, NULL);
5339 sigaction(SIGHUP, &act, NULL);
5340 sigaction(SIGTERM, &act, NULL);
5345 int main(int argc, char **argv)
5347 #ifdef CONFIG_GDBSTUB
5349 const char *gdbstub_port;
5351 uint32_t boot_devices_bitmap = 0;
5353 int snapshot, linux_boot, net_boot;
5354 const char *initrd_filename;
5355 const char *kernel_filename, *kernel_cmdline;
5356 const char *boot_devices = "";
5357 DisplayState *ds = &display_state;
5358 int cyls, heads, secs, translation;
5359 const char *net_clients[MAX_NET_CLIENTS];
5363 const char *r, *optarg;
5364 CharDriverState *monitor_hd;
5365 const char *monitor_device;
5366 const char *serial_devices[MAX_SERIAL_PORTS];
5367 int serial_device_index;
5368 const char *parallel_devices[MAX_PARALLEL_PORTS];
5369 int parallel_device_index;
5370 const char *loadvm = NULL;
5371 QEMUMachine *machine;
5372 const char *cpu_model;
5373 const char *usb_devices[MAX_USB_CMDLINE];
5374 int usb_devices_index;
5377 const char *pid_file = NULL;
5379 const char *incoming = NULL;
5381 LIST_INIT (&vm_change_state_head);
5384 struct sigaction act;
5385 sigfillset(&act.sa_mask);
5387 act.sa_handler = SIG_IGN;
5388 sigaction(SIGPIPE, &act, NULL);
5391 SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE);
5392 /* Note: cpu_interrupt() is currently not SMP safe, so we force
5393 QEMU to run on a single CPU */
5398 h = GetCurrentProcess();
5399 if (GetProcessAffinityMask(h, &mask, &smask)) {
5400 for(i = 0; i < 32; i++) {
5401 if (mask & (1 << i))
5406 SetProcessAffinityMask(h, mask);
5412 register_machines();
5413 machine = first_machine;
5415 initrd_filename = NULL;
5417 vga_ram_size = VGA_RAM_SIZE;
5418 #ifdef CONFIG_GDBSTUB
5420 gdbstub_port = DEFAULT_GDBSTUB_PORT;
5425 kernel_filename = NULL;
5426 kernel_cmdline = "";
5427 cyls = heads = secs = 0;
5428 translation = BIOS_ATA_TRANSLATION_AUTO;
5429 monitor_device = "vc";
5431 serial_devices[0] = "vc:80Cx24C";
5432 for(i = 1; i < MAX_SERIAL_PORTS; i++)
5433 serial_devices[i] = NULL;
5434 serial_device_index = 0;
5436 parallel_devices[0] = "vc:640x480";
5437 for(i = 1; i < MAX_PARALLEL_PORTS; i++)
5438 parallel_devices[i] = NULL;
5439 parallel_device_index = 0;
5441 usb_devices_index = 0;
5459 hda_index = drive_add(argv[optind++], HD_ALIAS, 0);
5461 const QEMUOption *popt;
5464 /* Treat --foo the same as -foo. */
5467 popt = qemu_options;
5470 fprintf(stderr, "%s: invalid option -- '%s'\n",
5474 if (!strcmp(popt->name, r + 1))
5478 if (popt->flags & HAS_ARG) {
5479 if (optind >= argc) {
5480 fprintf(stderr, "%s: option '%s' requires an argument\n",
5484 optarg = argv[optind++];
5489 switch(popt->index) {
5491 machine = find_machine(optarg);
5494 printf("Supported machines are:\n");
5495 for(m = first_machine; m != NULL; m = m->next) {
5496 printf("%-10s %s%s\n",
5498 m == first_machine ? " (default)" : "");
5500 exit(*optarg != '?');
5503 case QEMU_OPTION_cpu:
5504 /* hw initialization will check this */
5505 if (*optarg == '?') {
5506 /* XXX: implement xxx_cpu_list for targets that still miss it */
5507 #if defined(cpu_list)
5508 cpu_list(stdout, &fprintf);
5515 case QEMU_OPTION_initrd:
5516 initrd_filename = optarg;
5518 case QEMU_OPTION_hda:
5520 hda_index = drive_add(optarg, HD_ALIAS, 0);
5522 hda_index = drive_add(optarg, HD_ALIAS
5523 ",cyls=%d,heads=%d,secs=%d%s",
5524 0, cyls, heads, secs,
5525 translation == BIOS_ATA_TRANSLATION_LBA ?
5527 translation == BIOS_ATA_TRANSLATION_NONE ?
5528 ",trans=none" : "");
5530 case QEMU_OPTION_hdb:
5531 case QEMU_OPTION_hdc:
5532 case QEMU_OPTION_hdd:
5533 drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda);
5535 case QEMU_OPTION_drive:
5536 drive_add(NULL, "%s", optarg);
5538 case QEMU_OPTION_mtdblock:
5539 drive_add(optarg, MTD_ALIAS);
5541 case QEMU_OPTION_sd:
5542 drive_add(optarg, SD_ALIAS);
5544 case QEMU_OPTION_pflash:
5545 drive_add(optarg, PFLASH_ALIAS);
5547 case QEMU_OPTION_snapshot:
5550 case QEMU_OPTION_hdachs:
5554 cyls = strtol(p, (char **)&p, 0);
5555 if (cyls < 1 || cyls > 16383)
5560 heads = strtol(p, (char **)&p, 0);
5561 if (heads < 1 || heads > 16)
5566 secs = strtol(p, (char **)&p, 0);
5567 if (secs < 1 || secs > 63)
5571 if (!strcmp(p, "none"))
5572 translation = BIOS_ATA_TRANSLATION_NONE;
5573 else if (!strcmp(p, "lba"))
5574 translation = BIOS_ATA_TRANSLATION_LBA;
5575 else if (!strcmp(p, "auto"))
5576 translation = BIOS_ATA_TRANSLATION_AUTO;
5579 } else if (*p != '\0') {
5581 fprintf(stderr, "qemu: invalid physical CHS format\n");
5584 if (hda_index != -1)
5585 snprintf(drives_opt[hda_index].opt,
5586 sizeof(drives_opt[hda_index].opt),
5587 HD_ALIAS ",cyls=%d,heads=%d,secs=%d%s",
5588 0, cyls, heads, secs,
5589 translation == BIOS_ATA_TRANSLATION_LBA ?
5591 translation == BIOS_ATA_TRANSLATION_NONE ?
5592 ",trans=none" : "");
5595 case QEMU_OPTION_nographic:
5598 #ifdef CONFIG_CURSES
5599 case QEMU_OPTION_curses:
5603 case QEMU_OPTION_portrait:
5606 case QEMU_OPTION_kernel:
5607 kernel_filename = optarg;
5609 case QEMU_OPTION_append:
5610 kernel_cmdline = optarg;
5612 case QEMU_OPTION_cdrom:
5613 drive_add(optarg, CDROM_ALIAS);
5615 case QEMU_OPTION_boot:
5616 boot_devices = optarg;
5617 /* We just do some generic consistency checks */
5619 /* Could easily be extended to 64 devices if needed */
5622 boot_devices_bitmap = 0;
5623 for (p = boot_devices; *p != '\0'; p++) {
5624 /* Allowed boot devices are:
5625 * a b : floppy disk drives
5626 * c ... f : IDE disk drives
5627 * g ... m : machine implementation dependant drives
5628 * n ... p : network devices
5629 * It's up to each machine implementation to check
5630 * if the given boot devices match the actual hardware
5631 * implementation and firmware features.
5633 if (*p < 'a' || *p > 'q') {
5634 fprintf(stderr, "Invalid boot device '%c'\n", *p);
5637 if (boot_devices_bitmap & (1 << (*p - 'a'))) {
5639 "Boot device '%c' was given twice\n",*p);
5642 boot_devices_bitmap |= 1 << (*p - 'a');
5646 case QEMU_OPTION_fda:
5647 case QEMU_OPTION_fdb:
5648 drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda);
5651 case QEMU_OPTION_no_fd_bootchk:
5655 case QEMU_OPTION_net:
5656 if (nb_net_clients >= MAX_NET_CLIENTS) {
5657 fprintf(stderr, "qemu: too many network clients\n");
5660 net_clients[nb_net_clients] = optarg;
5664 case QEMU_OPTION_tftp:
5665 tftp_prefix = optarg;
5667 case QEMU_OPTION_bootp:
5668 bootp_filename = optarg;
5671 case QEMU_OPTION_smb:
5672 net_slirp_smb(optarg);
5675 case QEMU_OPTION_redir:
5676 net_slirp_redir(optarg);
5680 case QEMU_OPTION_audio_help:
5684 case QEMU_OPTION_soundhw:
5685 select_soundhw (optarg);
5691 case QEMU_OPTION_m: {
5695 value = strtoul(optarg, &ptr, 10);
5697 case 0: case 'M': case 'm':
5704 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
5708 /* On 32-bit hosts, QEMU is limited by virtual address space */
5709 if (value > (2047 << 20)
5711 && HOST_LONG_BITS == 32
5714 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
5717 if (value != (uint64_t)(ram_addr_t)value) {
5718 fprintf(stderr, "qemu: ram size too large\n");
5727 const CPULogItem *item;
5729 mask = cpu_str_to_log_mask(optarg);
5731 printf("Log items (comma separated):\n");
5732 for(item = cpu_log_items; item->mask != 0; item++) {
5733 printf("%-10s %s\n", item->name, item->help);
5740 #ifdef CONFIG_GDBSTUB
5745 gdbstub_port = optarg;
5751 case QEMU_OPTION_bios:
5758 keyboard_layout = optarg;
5760 case QEMU_OPTION_localtime:
5763 case QEMU_OPTION_vga:
5764 select_vgahw (optarg);
5771 w = strtol(p, (char **)&p, 10);
5774 fprintf(stderr, "qemu: invalid resolution or depth\n");
5780 h = strtol(p, (char **)&p, 10);
5785 depth = strtol(p, (char **)&p, 10);
5786 if (depth != 8 && depth != 15 && depth != 16 &&
5787 depth != 24 && depth != 32)
5789 } else if (*p == '\0') {
5790 depth = graphic_depth;
5797 graphic_depth = depth;
5800 case QEMU_OPTION_echr:
5803 term_escape_char = strtol(optarg, &r, 0);
5805 printf("Bad argument to echr\n");
5808 case QEMU_OPTION_monitor:
5809 monitor_device = optarg;
5811 case QEMU_OPTION_serial:
5812 if (serial_device_index >= MAX_SERIAL_PORTS) {
5813 fprintf(stderr, "qemu: too many serial ports\n");
5816 serial_devices[serial_device_index] = optarg;
5817 serial_device_index++;
5819 case QEMU_OPTION_parallel:
5820 if (parallel_device_index >= MAX_PARALLEL_PORTS) {
5821 fprintf(stderr, "qemu: too many parallel ports\n");
5824 parallel_devices[parallel_device_index] = optarg;
5825 parallel_device_index++;
5827 case QEMU_OPTION_loadvm:
5830 case QEMU_OPTION_full_screen:
5834 case QEMU_OPTION_no_frame:
5837 case QEMU_OPTION_alt_grab:
5840 case QEMU_OPTION_no_quit:
5844 case QEMU_OPTION_pidfile:
5848 case QEMU_OPTION_win2k_hack:
5849 win2k_install_hack = 1;
5853 case QEMU_OPTION_no_kqemu:
5856 case QEMU_OPTION_kernel_kqemu:
5861 case QEMU_OPTION_enable_kvm:
5868 case QEMU_OPTION_usb:
5871 case QEMU_OPTION_usbdevice:
5873 if (usb_devices_index >= MAX_USB_CMDLINE) {
5874 fprintf(stderr, "Too many USB devices\n");
5877 usb_devices[usb_devices_index] = optarg;
5878 usb_devices_index++;
5880 case QEMU_OPTION_smp:
5881 smp_cpus = atoi(optarg);
5883 fprintf(stderr, "Invalid number of CPUs\n");
5887 case QEMU_OPTION_vnc:
5888 vnc_display = optarg;
5890 case QEMU_OPTION_no_acpi:
5893 case QEMU_OPTION_no_reboot:
5896 case QEMU_OPTION_no_shutdown:
5899 case QEMU_OPTION_show_cursor:
5902 case QEMU_OPTION_uuid:
5903 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
5904 fprintf(stderr, "Fail to parse UUID string."
5905 " Wrong format.\n");
5909 case QEMU_OPTION_daemonize:
5912 case QEMU_OPTION_option_rom:
5913 if (nb_option_roms >= MAX_OPTION_ROMS) {
5914 fprintf(stderr, "Too many option ROMs\n");
5917 option_rom[nb_option_roms] = optarg;
5920 case QEMU_OPTION_semihosting:
5921 semihosting_enabled = 1;
5923 case QEMU_OPTION_name:
5927 case QEMU_OPTION_prom_env:
5928 if (nb_prom_envs >= MAX_PROM_ENVS) {
5929 fprintf(stderr, "Too many prom variables\n");
5932 prom_envs[nb_prom_envs] = optarg;
5937 case QEMU_OPTION_old_param:
5941 case QEMU_OPTION_clock:
5942 configure_alarms(optarg);
5944 case QEMU_OPTION_startdate:
5947 time_t rtc_start_date;
5948 if (!strcmp(optarg, "now")) {
5949 rtc_date_offset = -1;
5951 if (sscanf(optarg, "%d-%d-%dT%d:%d:%d",
5959 } else if (sscanf(optarg, "%d-%d-%d",
5962 &tm.tm_mday) == 3) {
5971 rtc_start_date = mktimegm(&tm);
5972 if (rtc_start_date == -1) {
5974 fprintf(stderr, "Invalid date format. Valid format are:\n"
5975 "'now' or '2006-06-17T16:01:21' or '2006-06-17'\n");
5978 rtc_date_offset = time(NULL) - rtc_start_date;
5982 case QEMU_OPTION_tb_size:
5983 tb_size = strtol(optarg, NULL, 0);
5987 case QEMU_OPTION_icount:
5989 if (strcmp(optarg, "auto") == 0) {
5990 icount_time_shift = -1;
5992 icount_time_shift = strtol(optarg, NULL, 0);
5995 case QEMU_OPTION_incoming:
6002 #if defined(CONFIG_KVM) && defined(USE_KQEMU)
6003 if (kvm_allowed && kqemu_allowed) {
6005 "You can not enable both KVM and kqemu at the same time\n");
6010 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
6011 if (smp_cpus > machine->max_cpus) {
6012 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
6013 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
6019 if (serial_device_index == 0)
6020 serial_devices[0] = "stdio";
6021 if (parallel_device_index == 0)
6022 parallel_devices[0] = "null";
6023 if (strncmp(monitor_device, "vc", 2) == 0)
6024 monitor_device = "stdio";
6031 if (pipe(fds) == -1)
6042 len = read(fds[0], &status, 1);
6043 if (len == -1 && (errno == EINTR))
6048 else if (status == 1) {
6049 fprintf(stderr, "Could not acquire pidfile\n");
6066 signal(SIGTSTP, SIG_IGN);
6067 signal(SIGTTOU, SIG_IGN);
6068 signal(SIGTTIN, SIG_IGN);
6072 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
6075 write(fds[1], &status, 1);
6077 fprintf(stderr, "Could not acquire pid file\n");
6085 linux_boot = (kernel_filename != NULL);
6086 net_boot = (boot_devices_bitmap >> ('n' - 'a')) & 0xF;
6088 if (!linux_boot && net_boot == 0 &&
6089 !machine->nodisk_ok && nb_drives_opt == 0)
6092 if (!linux_boot && *kernel_cmdline != '\0') {
6093 fprintf(stderr, "-append only allowed with -kernel option\n");
6097 if (!linux_boot && initrd_filename != NULL) {
6098 fprintf(stderr, "-initrd only allowed with -kernel option\n");
6102 /* boot to floppy or the default cd if no hard disk defined yet */
6103 if (!boot_devices[0]) {
6104 boot_devices = "cad";
6106 setvbuf(stdout, NULL, _IOLBF, 0);
6109 if (init_timer_alarm() < 0) {
6110 fprintf(stderr, "could not initialize alarm timer\n");
6113 if (use_icount && icount_time_shift < 0) {
6115 /* 125MIPS seems a reasonable initial guess at the guest speed.
6116 It will be corrected fairly quickly anyway. */
6117 icount_time_shift = 3;
6118 init_icount_adjust();
6125 /* init network clients */
6126 if (nb_net_clients == 0) {
6127 /* if no clients, we use a default config */
6128 net_clients[nb_net_clients++] = "nic";
6130 net_clients[nb_net_clients++] = "user";
6134 for(i = 0;i < nb_net_clients; i++) {
6135 if (net_client_parse(net_clients[i]) < 0)
6141 /* XXX: this should be moved in the PC machine instantiation code */
6142 if (net_boot != 0) {
6144 for (i = 0; i < nb_nics && i < 4; i++) {
6145 const char *model = nd_table[i].model;
6147 if (net_boot & (1 << i)) {
6150 snprintf(buf, sizeof(buf), "%s/pxe-%s.bin", bios_dir, model);
6151 if (get_image_size(buf) > 0) {
6152 if (nb_option_roms >= MAX_OPTION_ROMS) {
6153 fprintf(stderr, "Too many option ROMs\n");
6156 option_rom[nb_option_roms] = strdup(buf);
6163 fprintf(stderr, "No valid PXE rom found for network device\n");
6169 /* init the memory */
6170 phys_ram_size = machine->ram_require & ~RAMSIZE_FIXED;
6172 if (machine->ram_require & RAMSIZE_FIXED) {
6174 if (ram_size < phys_ram_size) {
6175 fprintf(stderr, "Machine `%s' requires %llu bytes of memory\n",
6176 machine->name, (unsigned long long) phys_ram_size);
6180 phys_ram_size = ram_size;
6182 ram_size = phys_ram_size;
6185 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
6187 phys_ram_size += ram_size;
6190 phys_ram_base = qemu_vmalloc(phys_ram_size);
6191 if (!phys_ram_base) {
6192 fprintf(stderr, "Could not allocate physical memory\n");
6196 /* init the dynamic translator */
6197 cpu_exec_init_all(tb_size * 1024 * 1024);
6201 /* we always create the cdrom drive, even if no disk is there */
6203 if (nb_drives_opt < MAX_DRIVES)
6204 drive_add(NULL, CDROM_ALIAS);
6206 /* we always create at least one floppy */
6208 if (nb_drives_opt < MAX_DRIVES)
6209 drive_add(NULL, FD_ALIAS, 0);
6211 /* we always create one sd slot, even if no card is in it */
6213 if (nb_drives_opt < MAX_DRIVES)
6214 drive_add(NULL, SD_ALIAS);
6216 /* open the virtual block devices */
6218 for(i = 0; i < nb_drives_opt; i++)
6219 if (drive_init(&drives_opt[i], snapshot, machine) == -1)
6222 register_savevm("timer", 0, 2, timer_save, timer_load, NULL);
6223 register_savevm_live("ram", 0, 3, ram_save_live, NULL, ram_load, NULL);
6226 memset(&display_state, 0, sizeof(display_state));
6229 fprintf(stderr, "fatal: -nographic can't be used with -curses\n");
6232 /* nearly nothing to do */
6233 dumb_display_init(ds);
6234 } else if (vnc_display != NULL) {
6235 vnc_display_init(ds);
6236 if (vnc_display_open(ds, vnc_display) < 0)
6239 #if defined(CONFIG_CURSES)
6241 curses_display_init(ds, full_screen);
6245 #if defined(CONFIG_SDL)
6246 sdl_display_init(ds, full_screen, no_frame);
6247 #elif defined(CONFIG_COCOA)
6248 cocoa_display_init(ds, full_screen);
6250 dumb_display_init(ds);
6255 /* must be after terminal init, SDL library changes signal handlers */
6259 /* Maintain compatibility with multiple stdio monitors */
6260 if (!strcmp(monitor_device,"stdio")) {
6261 for (i = 0; i < MAX_SERIAL_PORTS; i++) {
6262 const char *devname = serial_devices[i];
6263 if (devname && !strcmp(devname,"mon:stdio")) {
6264 monitor_device = NULL;
6266 } else if (devname && !strcmp(devname,"stdio")) {
6267 monitor_device = NULL;
6268 serial_devices[i] = "mon:stdio";
6273 if (monitor_device) {
6274 monitor_hd = qemu_chr_open("monitor", monitor_device);
6276 fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device);
6279 monitor_init(monitor_hd, !nographic);
6282 for(i = 0; i < MAX_SERIAL_PORTS; i++) {
6283 const char *devname = serial_devices[i];
6284 if (devname && strcmp(devname, "none")) {
6286 snprintf(label, sizeof(label), "serial%d", i);
6287 serial_hds[i] = qemu_chr_open(label, devname);
6288 if (!serial_hds[i]) {
6289 fprintf(stderr, "qemu: could not open serial device '%s'\n",
6293 if (strstart(devname, "vc", 0))
6294 qemu_chr_printf(serial_hds[i], "serial%d console\r\n", i);
6298 for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
6299 const char *devname = parallel_devices[i];
6300 if (devname && strcmp(devname, "none")) {
6302 snprintf(label, sizeof(label), "parallel%d", i);
6303 parallel_hds[i] = qemu_chr_open(label, devname);
6304 if (!parallel_hds[i]) {
6305 fprintf(stderr, "qemu: could not open parallel device '%s'\n",
6309 if (strstart(devname, "vc", 0))
6310 qemu_chr_printf(parallel_hds[i], "parallel%d console\r\n", i);
6314 if (kvm_enabled()) {
6317 ret = kvm_init(smp_cpus);
6319 fprintf(stderr, "failed to initialize KVM\n");
6324 machine->init(ram_size, vga_ram_size, boot_devices, ds,
6325 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
6327 /* init USB devices */
6329 for(i = 0; i < usb_devices_index; i++) {
6330 if (usb_device_add(usb_devices[i]) < 0) {
6331 fprintf(stderr, "Warning: could not add USB device %s\n",
6337 if (display_state.dpy_refresh) {
6338 display_state.gui_timer = qemu_new_timer(rt_clock, gui_update, &display_state);
6339 qemu_mod_timer(display_state.gui_timer, qemu_get_clock(rt_clock));
6342 #ifdef CONFIG_GDBSTUB
6344 /* XXX: use standard host:port notation and modify options
6346 if (gdbserver_start(gdbstub_port) < 0) {
6347 fprintf(stderr, "qemu: could not open gdbstub device on port '%s'\n",
6358 autostart = 0; /* fixme how to deal with -daemonize */
6359 qemu_start_incoming_migration(incoming);
6363 /* XXX: simplify init */
6376 len = write(fds[1], &status, 1);
6377 if (len == -1 && (errno == EINTR))
6384 TFR(fd = open("/dev/null", O_RDWR));