4 * Copyright (c) 2003-2006 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
35 #include <sys/times.h>
40 #include <sys/ioctl.h>
41 #include <sys/socket.h>
42 #include <netinet/in.h>
53 #include <linux/if_tun.h>
56 #include <linux/rtc.h>
57 #include <linux/ppdev.h>
62 #if defined(CONFIG_SLIRP)
68 #include <sys/timeb.h>
70 #define getopt_long_only getopt_long
71 #define memalign(align, size) malloc(size)
74 #include "qemu_socket.h"
80 #endif /* CONFIG_SDL */
84 #define main qemu_main
85 #endif /* CONFIG_COCOA */
91 #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
93 #define SMBD_COMMAND "/usr/sfw/sbin/smbd"
95 #define SMBD_COMMAND "/usr/sbin/smbd"
98 //#define DEBUG_UNUSED_IOPORT
99 //#define DEBUG_IOPORT
101 #define PHYS_RAM_MAX_SIZE (2047 * 1024 * 1024)
104 #define DEFAULT_RAM_SIZE 144
106 #define DEFAULT_RAM_SIZE 128
109 #define GUI_REFRESH_INTERVAL 30
111 /* Max number of USB devices that can be specified on the commandline. */
112 #define MAX_USB_CMDLINE 8
114 /* XXX: use a two level table to limit memory usage */
115 #define MAX_IOPORTS 65536
117 const char *bios_dir = CONFIG_QEMU_SHAREDIR;
118 char phys_ram_file[1024];
119 void *ioport_opaque[MAX_IOPORTS];
120 IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS];
121 IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS];
122 /* Note: bs_table[MAX_DISKS] is a dummy block driver if none available
123 to store the VM snapshots */
124 BlockDriverState *bs_table[MAX_DISKS + 1], *fd_table[MAX_FD];
125 /* point to the block driver where the snapshots are managed */
126 BlockDriverState *bs_snapshots;
129 static DisplayState display_state;
131 const char* keyboard_layout = NULL;
132 int64_t ticks_per_sec;
133 int boot_device = 'c';
135 int pit_min_timer_count = 0;
137 NICInfo nd_table[MAX_NICS];
138 QEMUTimer *gui_timer;
141 int cirrus_vga_enabled = 1;
143 int graphic_width = 1024;
144 int graphic_height = 768;
146 int graphic_width = 800;
147 int graphic_height = 600;
149 int graphic_depth = 15;
152 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
153 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
155 int win2k_install_hack = 0;
158 static VLANState *first_vlan;
160 const char *vnc_display;
161 #if defined(TARGET_SPARC)
163 #elif defined(TARGET_I386)
168 int acpi_enabled = 1;
172 const char *option_rom[MAX_OPTION_ROMS];
174 int semihosting_enabled = 0;
176 /***********************************************************/
177 /* x86 ISA bus support */
179 target_phys_addr_t isa_mem_base = 0;
182 uint32_t default_ioport_readb(void *opaque, uint32_t address)
184 #ifdef DEBUG_UNUSED_IOPORT
185 fprintf(stderr, "inb: port=0x%04x\n", address);
190 void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data)
192 #ifdef DEBUG_UNUSED_IOPORT
193 fprintf(stderr, "outb: port=0x%04x data=0x%02x\n", address, data);
197 /* default is to make two byte accesses */
198 uint32_t default_ioport_readw(void *opaque, uint32_t address)
201 data = ioport_read_table[0][address](ioport_opaque[address], address);
202 address = (address + 1) & (MAX_IOPORTS - 1);
203 data |= ioport_read_table[0][address](ioport_opaque[address], address) << 8;
207 void default_ioport_writew(void *opaque, uint32_t address, uint32_t data)
209 ioport_write_table[0][address](ioport_opaque[address], address, data & 0xff);
210 address = (address + 1) & (MAX_IOPORTS - 1);
211 ioport_write_table[0][address](ioport_opaque[address], address, (data >> 8) & 0xff);
214 uint32_t default_ioport_readl(void *opaque, uint32_t address)
216 #ifdef DEBUG_UNUSED_IOPORT
217 fprintf(stderr, "inl: port=0x%04x\n", address);
222 void default_ioport_writel(void *opaque, uint32_t address, uint32_t data)
224 #ifdef DEBUG_UNUSED_IOPORT
225 fprintf(stderr, "outl: port=0x%04x data=0x%02x\n", address, data);
229 void init_ioports(void)
233 for(i = 0; i < MAX_IOPORTS; i++) {
234 ioport_read_table[0][i] = default_ioport_readb;
235 ioport_write_table[0][i] = default_ioport_writeb;
236 ioport_read_table[1][i] = default_ioport_readw;
237 ioport_write_table[1][i] = default_ioport_writew;
238 ioport_read_table[2][i] = default_ioport_readl;
239 ioport_write_table[2][i] = default_ioport_writel;
243 /* size is the word size in byte */
244 int register_ioport_read(int start, int length, int size,
245 IOPortReadFunc *func, void *opaque)
251 } else if (size == 2) {
253 } else if (size == 4) {
256 hw_error("register_ioport_read: invalid size");
259 for(i = start; i < start + length; i += size) {
260 ioport_read_table[bsize][i] = func;
261 if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
262 hw_error("register_ioport_read: invalid opaque");
263 ioport_opaque[i] = opaque;
268 /* size is the word size in byte */
269 int register_ioport_write(int start, int length, int size,
270 IOPortWriteFunc *func, void *opaque)
276 } else if (size == 2) {
278 } else if (size == 4) {
281 hw_error("register_ioport_write: invalid size");
284 for(i = start; i < start + length; i += size) {
285 ioport_write_table[bsize][i] = func;
286 if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
287 hw_error("register_ioport_write: invalid opaque");
288 ioport_opaque[i] = opaque;
293 void isa_unassign_ioport(int start, int length)
297 for(i = start; i < start + length; i++) {
298 ioport_read_table[0][i] = default_ioport_readb;
299 ioport_read_table[1][i] = default_ioport_readw;
300 ioport_read_table[2][i] = default_ioport_readl;
302 ioport_write_table[0][i] = default_ioport_writeb;
303 ioport_write_table[1][i] = default_ioport_writew;
304 ioport_write_table[2][i] = default_ioport_writel;
308 /***********************************************************/
310 void cpu_outb(CPUState *env, int addr, int val)
313 if (loglevel & CPU_LOG_IOPORT)
314 fprintf(logfile, "outb: %04x %02x\n", addr, val);
316 ioport_write_table[0][addr](ioport_opaque[addr], addr, val);
319 env->last_io_time = cpu_get_time_fast();
323 void cpu_outw(CPUState *env, int addr, int val)
326 if (loglevel & CPU_LOG_IOPORT)
327 fprintf(logfile, "outw: %04x %04x\n", addr, val);
329 ioport_write_table[1][addr](ioport_opaque[addr], addr, val);
332 env->last_io_time = cpu_get_time_fast();
336 void cpu_outl(CPUState *env, int addr, int val)
339 if (loglevel & CPU_LOG_IOPORT)
340 fprintf(logfile, "outl: %04x %08x\n", addr, val);
342 ioport_write_table[2][addr](ioport_opaque[addr], addr, val);
345 env->last_io_time = cpu_get_time_fast();
349 int cpu_inb(CPUState *env, int addr)
352 val = ioport_read_table[0][addr](ioport_opaque[addr], addr);
354 if (loglevel & CPU_LOG_IOPORT)
355 fprintf(logfile, "inb : %04x %02x\n", addr, val);
359 env->last_io_time = cpu_get_time_fast();
364 int cpu_inw(CPUState *env, int addr)
367 val = ioport_read_table[1][addr](ioport_opaque[addr], addr);
369 if (loglevel & CPU_LOG_IOPORT)
370 fprintf(logfile, "inw : %04x %04x\n", addr, val);
374 env->last_io_time = cpu_get_time_fast();
379 int cpu_inl(CPUState *env, int addr)
382 val = ioport_read_table[2][addr](ioport_opaque[addr], addr);
384 if (loglevel & CPU_LOG_IOPORT)
385 fprintf(logfile, "inl : %04x %08x\n", addr, val);
389 env->last_io_time = cpu_get_time_fast();
394 /***********************************************************/
395 void hw_error(const char *fmt, ...)
401 fprintf(stderr, "qemu: hardware error: ");
402 vfprintf(stderr, fmt, ap);
403 fprintf(stderr, "\n");
404 for(env = first_cpu; env != NULL; env = env->next_cpu) {
405 fprintf(stderr, "CPU #%d:\n", env->cpu_index);
407 cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU);
409 cpu_dump_state(env, stderr, fprintf, 0);
416 /***********************************************************/
419 static QEMUPutKBDEvent *qemu_put_kbd_event;
420 static void *qemu_put_kbd_event_opaque;
421 static QEMUPutMouseEntry *qemu_put_mouse_event_head;
422 static QEMUPutMouseEntry *qemu_put_mouse_event_current;
424 void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
426 qemu_put_kbd_event_opaque = opaque;
427 qemu_put_kbd_event = func;
430 QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func,
431 void *opaque, int absolute,
434 QEMUPutMouseEntry *s, *cursor;
436 s = qemu_mallocz(sizeof(QEMUPutMouseEntry));
440 s->qemu_put_mouse_event = func;
441 s->qemu_put_mouse_event_opaque = opaque;
442 s->qemu_put_mouse_event_absolute = absolute;
443 s->qemu_put_mouse_event_name = qemu_strdup(name);
446 if (!qemu_put_mouse_event_head) {
447 qemu_put_mouse_event_head = qemu_put_mouse_event_current = s;
451 cursor = qemu_put_mouse_event_head;
452 while (cursor->next != NULL)
453 cursor = cursor->next;
456 qemu_put_mouse_event_current = s;
461 void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry)
463 QEMUPutMouseEntry *prev = NULL, *cursor;
465 if (!qemu_put_mouse_event_head || entry == NULL)
468 cursor = qemu_put_mouse_event_head;
469 while (cursor != NULL && cursor != entry) {
471 cursor = cursor->next;
474 if (cursor == NULL) // does not exist or list empty
476 else if (prev == NULL) { // entry is head
477 qemu_put_mouse_event_head = cursor->next;
478 if (qemu_put_mouse_event_current == entry)
479 qemu_put_mouse_event_current = cursor->next;
480 qemu_free(entry->qemu_put_mouse_event_name);
485 prev->next = entry->next;
487 if (qemu_put_mouse_event_current == entry)
488 qemu_put_mouse_event_current = prev;
490 qemu_free(entry->qemu_put_mouse_event_name);
494 void kbd_put_keycode(int keycode)
496 if (qemu_put_kbd_event) {
497 qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode);
501 void kbd_mouse_event(int dx, int dy, int dz, int buttons_state)
503 QEMUPutMouseEvent *mouse_event;
504 void *mouse_event_opaque;
506 if (!qemu_put_mouse_event_current) {
511 qemu_put_mouse_event_current->qemu_put_mouse_event;
513 qemu_put_mouse_event_current->qemu_put_mouse_event_opaque;
516 mouse_event(mouse_event_opaque, dx, dy, dz, buttons_state);
520 int kbd_mouse_is_absolute(void)
522 if (!qemu_put_mouse_event_current)
525 return qemu_put_mouse_event_current->qemu_put_mouse_event_absolute;
528 void do_info_mice(void)
530 QEMUPutMouseEntry *cursor;
533 if (!qemu_put_mouse_event_head) {
534 term_printf("No mouse devices connected\n");
538 term_printf("Mouse devices available:\n");
539 cursor = qemu_put_mouse_event_head;
540 while (cursor != NULL) {
541 term_printf("%c Mouse #%d: %s\n",
542 (cursor == qemu_put_mouse_event_current ? '*' : ' '),
543 index, cursor->qemu_put_mouse_event_name);
545 cursor = cursor->next;
549 void do_mouse_set(int index)
551 QEMUPutMouseEntry *cursor;
554 if (!qemu_put_mouse_event_head) {
555 term_printf("No mouse devices connected\n");
559 cursor = qemu_put_mouse_event_head;
560 while (cursor != NULL && index != i) {
562 cursor = cursor->next;
566 qemu_put_mouse_event_current = cursor;
568 term_printf("Mouse at given index not found\n");
571 /* compute with 96 bit intermediate result: (a*b)/c */
572 uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
577 #ifdef WORDS_BIGENDIAN
587 rl = (uint64_t)u.l.low * (uint64_t)b;
588 rh = (uint64_t)u.l.high * (uint64_t)b;
591 res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
595 /***********************************************************/
596 /* real time host monotonic timer */
598 #define QEMU_TIMER_BASE 1000000000LL
602 static int64_t clock_freq;
604 static void init_get_clock(void)
608 ret = QueryPerformanceFrequency(&freq);
610 fprintf(stderr, "Could not calibrate ticks\n");
613 clock_freq = freq.QuadPart;
616 static int64_t get_clock(void)
619 QueryPerformanceCounter(&ti);
620 return muldiv64(ti.QuadPart, QEMU_TIMER_BASE, clock_freq);
625 static int use_rt_clock;
627 static void init_get_clock(void)
630 #if defined(__linux__)
633 if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) {
640 static int64_t get_clock(void)
642 #if defined(__linux__)
645 clock_gettime(CLOCK_MONOTONIC, &ts);
646 return ts.tv_sec * 1000000000LL + ts.tv_nsec;
650 /* XXX: using gettimeofday leads to problems if the date
651 changes, so it should be avoided. */
653 gettimeofday(&tv, NULL);
654 return tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000);
660 /***********************************************************/
661 /* guest cycle counter */
663 static int64_t cpu_ticks_prev;
664 static int64_t cpu_ticks_offset;
665 static int64_t cpu_clock_offset;
666 static int cpu_ticks_enabled;
668 /* return the host CPU cycle counter and handle stop/restart */
669 int64_t cpu_get_ticks(void)
671 if (!cpu_ticks_enabled) {
672 return cpu_ticks_offset;
675 ticks = cpu_get_real_ticks();
676 if (cpu_ticks_prev > ticks) {
677 /* Note: non increasing ticks may happen if the host uses
679 cpu_ticks_offset += cpu_ticks_prev - ticks;
681 cpu_ticks_prev = ticks;
682 return ticks + cpu_ticks_offset;
686 /* return the host CPU monotonic timer and handle stop/restart */
687 static int64_t cpu_get_clock(void)
690 if (!cpu_ticks_enabled) {
691 return cpu_clock_offset;
694 return ti + cpu_clock_offset;
698 /* enable cpu_get_ticks() */
699 void cpu_enable_ticks(void)
701 if (!cpu_ticks_enabled) {
702 cpu_ticks_offset -= cpu_get_real_ticks();
703 cpu_clock_offset -= get_clock();
704 cpu_ticks_enabled = 1;
708 /* disable cpu_get_ticks() : the clock is stopped. You must not call
709 cpu_get_ticks() after that. */
710 void cpu_disable_ticks(void)
712 if (cpu_ticks_enabled) {
713 cpu_ticks_offset = cpu_get_ticks();
714 cpu_clock_offset = cpu_get_clock();
715 cpu_ticks_enabled = 0;
719 /***********************************************************/
722 #define QEMU_TIMER_REALTIME 0
723 #define QEMU_TIMER_VIRTUAL 1
727 /* XXX: add frequency */
735 struct QEMUTimer *next;
741 static QEMUTimer *active_timers[2];
743 static MMRESULT timerID;
744 static HANDLE host_alarm = NULL;
745 static unsigned int period = 1;
747 /* frequency of the times() clock tick */
748 static int timer_freq;
751 QEMUClock *qemu_new_clock(int type)
754 clock = qemu_mallocz(sizeof(QEMUClock));
761 QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque)
765 ts = qemu_mallocz(sizeof(QEMUTimer));
772 void qemu_free_timer(QEMUTimer *ts)
777 /* stop a timer, but do not dealloc it */
778 void qemu_del_timer(QEMUTimer *ts)
782 /* NOTE: this code must be signal safe because
783 qemu_timer_expired() can be called from a signal. */
784 pt = &active_timers[ts->clock->type];
797 /* modify the current timer so that it will be fired when current_time
798 >= expire_time. The corresponding callback will be called. */
799 void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time)
805 /* add the timer in the sorted list */
806 /* NOTE: this code must be signal safe because
807 qemu_timer_expired() can be called from a signal. */
808 pt = &active_timers[ts->clock->type];
813 if (t->expire_time > expire_time)
817 ts->expire_time = expire_time;
822 int qemu_timer_pending(QEMUTimer *ts)
825 for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) {
832 static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time)
836 return (timer_head->expire_time <= current_time);
839 static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time)
845 if (!ts || ts->expire_time > current_time)
847 /* remove timer from the list before calling the callback */
848 *ptimer_head = ts->next;
851 /* run the callback (the timer list can be modified) */
856 int64_t qemu_get_clock(QEMUClock *clock)
858 switch(clock->type) {
859 case QEMU_TIMER_REALTIME:
860 return get_clock() / 1000000;
862 case QEMU_TIMER_VIRTUAL:
863 return cpu_get_clock();
867 static void init_timers(void)
870 ticks_per_sec = QEMU_TIMER_BASE;
871 rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME);
872 vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL);
876 void qemu_put_timer(QEMUFile *f, QEMUTimer *ts)
878 uint64_t expire_time;
880 if (qemu_timer_pending(ts)) {
881 expire_time = ts->expire_time;
885 qemu_put_be64(f, expire_time);
888 void qemu_get_timer(QEMUFile *f, QEMUTimer *ts)
890 uint64_t expire_time;
892 expire_time = qemu_get_be64(f);
893 if (expire_time != -1) {
894 qemu_mod_timer(ts, expire_time);
900 static void timer_save(QEMUFile *f, void *opaque)
902 if (cpu_ticks_enabled) {
903 hw_error("cannot save state if virtual timers are running");
905 qemu_put_be64s(f, &cpu_ticks_offset);
906 qemu_put_be64s(f, &ticks_per_sec);
907 qemu_put_be64s(f, &cpu_clock_offset);
910 static int timer_load(QEMUFile *f, void *opaque, int version_id)
912 if (version_id != 1 && version_id != 2)
914 if (cpu_ticks_enabled) {
917 qemu_get_be64s(f, &cpu_ticks_offset);
918 qemu_get_be64s(f, &ticks_per_sec);
919 if (version_id == 2) {
920 qemu_get_be64s(f, &cpu_clock_offset);
926 void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg,
927 DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2)
929 static void host_alarm_handler(int host_signum)
933 #define DISP_FREQ 1000
935 static int64_t delta_min = INT64_MAX;
936 static int64_t delta_max, delta_cum, last_clock, delta, ti;
938 ti = qemu_get_clock(vm_clock);
939 if (last_clock != 0) {
940 delta = ti - last_clock;
941 if (delta < delta_min)
943 if (delta > delta_max)
946 if (++count == DISP_FREQ) {
947 printf("timer: min=%" PRId64 " us max=%" PRId64 " us avg=%" PRId64 " us avg_freq=%0.3f Hz\n",
948 muldiv64(delta_min, 1000000, ticks_per_sec),
949 muldiv64(delta_max, 1000000, ticks_per_sec),
950 muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec),
951 (double)ticks_per_sec / ((double)delta_cum / DISP_FREQ));
953 delta_min = INT64_MAX;
961 if (qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL],
962 qemu_get_clock(vm_clock)) ||
963 qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME],
964 qemu_get_clock(rt_clock))) {
966 SetEvent(host_alarm);
968 CPUState *env = cpu_single_env;
970 /* stop the currently executing cpu because a timer occured */
971 cpu_interrupt(env, CPU_INTERRUPT_EXIT);
973 if (env->kqemu_enabled) {
974 kqemu_cpu_interrupt(env);
983 #if defined(__linux__)
985 #define RTC_FREQ 1024
989 static int start_rtc_timer(void)
991 rtc_fd = open("/dev/rtc", O_RDONLY);
994 if (ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) {
995 fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
996 "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
997 "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
1000 if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) {
1005 pit_min_timer_count = PIT_FREQ / RTC_FREQ;
1011 static int start_rtc_timer(void)
1016 #endif /* !defined(__linux__) */
1018 #endif /* !defined(_WIN32) */
1020 static void init_timer_alarm(void)
1027 ZeroMemory(&tc, sizeof(TIMECAPS));
1028 timeGetDevCaps(&tc, sizeof(TIMECAPS));
1029 if (period < tc.wPeriodMin)
1030 period = tc.wPeriodMin;
1031 timeBeginPeriod(period);
1032 timerID = timeSetEvent(1, // interval (ms)
1033 period, // resolution
1034 host_alarm_handler, // function
1035 (DWORD)&count, // user parameter
1036 TIME_PERIODIC | TIME_CALLBACK_FUNCTION);
1038 perror("failed timer alarm");
1041 host_alarm = CreateEvent(NULL, FALSE, FALSE, NULL);
1043 perror("failed CreateEvent");
1046 qemu_add_wait_object(host_alarm, NULL, NULL);
1048 pit_min_timer_count = ((uint64_t)10000 * PIT_FREQ) / 1000000;
1051 struct sigaction act;
1052 struct itimerval itv;
1054 /* get times() syscall frequency */
1055 timer_freq = sysconf(_SC_CLK_TCK);
1058 sigfillset(&act.sa_mask);
1060 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
1061 act.sa_flags |= SA_ONSTACK;
1063 act.sa_handler = host_alarm_handler;
1064 sigaction(SIGALRM, &act, NULL);
1066 itv.it_interval.tv_sec = 0;
1067 itv.it_interval.tv_usec = 999; /* for i386 kernel 2.6 to get 1 ms */
1068 itv.it_value.tv_sec = 0;
1069 itv.it_value.tv_usec = 10 * 1000;
1070 setitimer(ITIMER_REAL, &itv, NULL);
1071 /* we probe the tick duration of the kernel to inform the user if
1072 the emulated kernel requested a too high timer frequency */
1073 getitimer(ITIMER_REAL, &itv);
1075 #if defined(__linux__)
1076 /* XXX: force /dev/rtc usage because even 2.6 kernels may not
1077 have timers with 1 ms resolution. The correct solution will
1078 be to use the POSIX real time timers available in recent
1080 if (itv.it_interval.tv_usec > 1000 || 1) {
1081 /* try to use /dev/rtc to have a faster timer */
1082 if (start_rtc_timer() < 0)
1084 /* disable itimer */
1085 itv.it_interval.tv_sec = 0;
1086 itv.it_interval.tv_usec = 0;
1087 itv.it_value.tv_sec = 0;
1088 itv.it_value.tv_usec = 0;
1089 setitimer(ITIMER_REAL, &itv, NULL);
1092 sigaction(SIGIO, &act, NULL);
1093 fcntl(rtc_fd, F_SETFL, O_ASYNC);
1094 fcntl(rtc_fd, F_SETOWN, getpid());
1096 #endif /* defined(__linux__) */
1099 pit_min_timer_count = ((uint64_t)itv.it_interval.tv_usec *
1100 PIT_FREQ) / 1000000;
1106 void quit_timers(void)
1109 timeKillEvent(timerID);
1110 timeEndPeriod(period);
1112 CloseHandle(host_alarm);
1118 /***********************************************************/
1119 /* character device */
1121 static void qemu_chr_reset_bh(void *opaque)
1123 CharDriverState *s = opaque;
1125 s->chr_event(s, CHR_EVENT_RESET);
1126 qemu_bh_delete(s->bh);
1130 void qemu_chr_reset(CharDriverState *s)
1132 if (s->bh == NULL) {
1133 s->bh = qemu_bh_new(qemu_chr_reset_bh, s);
1134 qemu_bh_schedule(s->bh);
1138 int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len)
1140 return s->chr_write(s, buf, len);
1143 int qemu_chr_ioctl(CharDriverState *s, int cmd, void *arg)
1147 return s->chr_ioctl(s, cmd, arg);
1150 void qemu_chr_printf(CharDriverState *s, const char *fmt, ...)
1155 vsnprintf(buf, sizeof(buf), fmt, ap);
1156 qemu_chr_write(s, buf, strlen(buf));
1160 void qemu_chr_send_event(CharDriverState *s, int event)
1162 if (s->chr_send_event)
1163 s->chr_send_event(s, event);
1166 void qemu_chr_add_read_handler(CharDriverState *s,
1167 IOCanRWHandler *fd_can_read,
1168 IOReadHandler *fd_read, void *opaque)
1170 s->chr_add_read_handler(s, fd_can_read, fd_read, opaque);
1173 void qemu_chr_add_event_handler(CharDriverState *s, IOEventHandler *chr_event)
1175 s->chr_event = chr_event;
1178 static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1183 static void null_chr_add_read_handler(CharDriverState *chr,
1184 IOCanRWHandler *fd_can_read,
1185 IOReadHandler *fd_read, void *opaque)
1189 static CharDriverState *qemu_chr_open_null(void)
1191 CharDriverState *chr;
1193 chr = qemu_mallocz(sizeof(CharDriverState));
1196 chr->chr_write = null_chr_write;
1197 chr->chr_add_read_handler = null_chr_add_read_handler;
1203 static void socket_cleanup(void)
1208 static int socket_init(void)
1213 ret = WSAStartup(MAKEWORD(2,2), &Data);
1215 err = WSAGetLastError();
1216 fprintf(stderr, "WSAStartup: %d\n", err);
1219 atexit(socket_cleanup);
1223 static int send_all(int fd, const uint8_t *buf, int len1)
1229 ret = send(fd, buf, len, 0);
1232 errno = WSAGetLastError();
1233 if (errno != WSAEWOULDBLOCK) {
1236 } else if (ret == 0) {
1246 void socket_set_nonblock(int fd)
1248 unsigned long opt = 1;
1249 ioctlsocket(fd, FIONBIO, &opt);
1254 static int unix_write(int fd, const uint8_t *buf, int len1)
1260 ret = write(fd, buf, len);
1262 if (errno != EINTR && errno != EAGAIN)
1264 } else if (ret == 0) {
1274 static inline int send_all(int fd, const uint8_t *buf, int len1)
1276 return unix_write(fd, buf, len1);
1279 void socket_set_nonblock(int fd)
1281 fcntl(fd, F_SETFL, O_NONBLOCK);
1283 #endif /* !_WIN32 */
1289 IOCanRWHandler *fd_can_read;
1290 IOReadHandler *fd_read;
1295 #define STDIO_MAX_CLIENTS 2
1297 static int stdio_nb_clients;
1298 static CharDriverState *stdio_clients[STDIO_MAX_CLIENTS];
1300 static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1302 FDCharDriver *s = chr->opaque;
1303 return unix_write(s->fd_out, buf, len);
1306 static int fd_chr_read_poll(void *opaque)
1308 CharDriverState *chr = opaque;
1309 FDCharDriver *s = chr->opaque;
1311 s->max_size = s->fd_can_read(s->fd_opaque);
1315 static void fd_chr_read(void *opaque)
1317 CharDriverState *chr = opaque;
1318 FDCharDriver *s = chr->opaque;
1323 if (len > s->max_size)
1327 size = read(s->fd_in, buf, len);
1329 /* FD has been closed. Remove it from the active list. */
1330 qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL);
1334 s->fd_read(s->fd_opaque, buf, size);
1338 static void fd_chr_add_read_handler(CharDriverState *chr,
1339 IOCanRWHandler *fd_can_read,
1340 IOReadHandler *fd_read, void *opaque)
1342 FDCharDriver *s = chr->opaque;
1344 if (s->fd_in >= 0) {
1345 s->fd_can_read = fd_can_read;
1346 s->fd_read = fd_read;
1347 s->fd_opaque = opaque;
1348 if (nographic && s->fd_in == 0) {
1350 qemu_set_fd_handler2(s->fd_in, fd_chr_read_poll,
1351 fd_chr_read, NULL, chr);
1356 /* open a character device to a unix fd */
1357 static CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out)
1359 CharDriverState *chr;
1362 chr = qemu_mallocz(sizeof(CharDriverState));
1365 s = qemu_mallocz(sizeof(FDCharDriver));
1373 chr->chr_write = fd_chr_write;
1374 chr->chr_add_read_handler = fd_chr_add_read_handler;
1376 qemu_chr_reset(chr);
1381 static CharDriverState *qemu_chr_open_file_out(const char *file_out)
1385 fd_out = open(file_out, O_WRONLY | O_TRUNC | O_CREAT | O_BINARY, 0666);
1388 return qemu_chr_open_fd(-1, fd_out);
1391 static CharDriverState *qemu_chr_open_pipe(const char *filename)
1394 char filename_in[256], filename_out[256];
1396 snprintf(filename_in, 256, "%s.in", filename);
1397 snprintf(filename_out, 256, "%s.out", filename);
1398 fd_in = open(filename_in, O_RDWR | O_BINARY);
1399 fd_out = open(filename_out, O_RDWR | O_BINARY);
1400 if (fd_in < 0 || fd_out < 0) {
1405 fd_in = fd_out = open(filename, O_RDWR | O_BINARY);
1409 return qemu_chr_open_fd(fd_in, fd_out);
1413 /* for STDIO, we handle the case where several clients use it
1416 #define TERM_ESCAPE 0x01 /* ctrl-a is used for escape */
1418 #define TERM_FIFO_MAX_SIZE 1
1420 static int term_got_escape, client_index;
1421 static uint8_t term_fifo[TERM_FIFO_MAX_SIZE];
1422 static int term_fifo_size;
1423 static int term_timestamps;
1424 static int64_t term_timestamps_start;
1426 void term_print_help(void)
1429 "C-a h print this help\n"
1430 "C-a x exit emulator\n"
1431 "C-a s save disk data back to file (if -snapshot)\n"
1432 "C-a b send break (magic sysrq)\n"
1433 "C-a t toggle console timestamps\n"
1434 "C-a c switch between console and monitor\n"
1435 "C-a C-a send C-a\n"
1439 /* called when a char is received */
1440 static void stdio_received_byte(int ch)
1442 if (term_got_escape) {
1443 term_got_escape = 0;
1454 for (i = 0; i < MAX_DISKS; i++) {
1456 bdrv_commit(bs_table[i]);
1461 if (client_index < stdio_nb_clients) {
1462 CharDriverState *chr;
1465 chr = stdio_clients[client_index];
1467 chr->chr_event(s->fd_opaque, CHR_EVENT_BREAK);
1472 if (client_index >= stdio_nb_clients)
1474 if (client_index == 0) {
1475 /* send a new line in the monitor to get the prompt */
1481 term_timestamps = !term_timestamps;
1482 term_timestamps_start = -1;
1487 } else if (ch == TERM_ESCAPE) {
1488 term_got_escape = 1;
1491 if (client_index < stdio_nb_clients) {
1493 CharDriverState *chr;
1496 chr = stdio_clients[client_index];
1498 if (s->fd_can_read(s->fd_opaque) > 0) {
1500 s->fd_read(s->fd_opaque, buf, 1);
1501 } else if (term_fifo_size == 0) {
1502 term_fifo[term_fifo_size++] = ch;
1508 static int stdio_read_poll(void *opaque)
1510 CharDriverState *chr;
1513 if (client_index < stdio_nb_clients) {
1514 chr = stdio_clients[client_index];
1516 /* try to flush the queue if needed */
1517 if (term_fifo_size != 0 && s->fd_can_read(s->fd_opaque) > 0) {
1518 s->fd_read(s->fd_opaque, term_fifo, 1);
1521 /* see if we can absorb more chars */
1522 if (term_fifo_size == 0)
1531 static void stdio_read(void *opaque)
1536 size = read(0, buf, 1);
1538 /* stdin has been closed. Remove it from the active list. */
1539 qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL);
1543 stdio_received_byte(buf[0]);
1546 static int stdio_write(CharDriverState *chr, const uint8_t *buf, int len)
1548 FDCharDriver *s = chr->opaque;
1549 if (!term_timestamps) {
1550 return unix_write(s->fd_out, buf, len);
1555 for(i = 0; i < len; i++) {
1556 unix_write(s->fd_out, buf + i, 1);
1557 if (buf[i] == '\n') {
1562 if (term_timestamps_start == -1)
1563 term_timestamps_start = ti;
1564 ti -= term_timestamps_start;
1565 secs = ti / 1000000000;
1566 snprintf(buf1, sizeof(buf1),
1567 "[%02d:%02d:%02d.%03d] ",
1571 (int)((ti / 1000000) % 1000));
1572 unix_write(s->fd_out, buf1, strlen(buf1));
1579 /* init terminal so that we can grab keys */
1580 static struct termios oldtty;
1581 static int old_fd0_flags;
1583 static void term_exit(void)
1585 tcsetattr (0, TCSANOW, &oldtty);
1586 fcntl(0, F_SETFL, old_fd0_flags);
1589 static void term_init(void)
1593 tcgetattr (0, &tty);
1595 old_fd0_flags = fcntl(0, F_GETFL);
1597 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
1598 |INLCR|IGNCR|ICRNL|IXON);
1599 tty.c_oflag |= OPOST;
1600 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
1601 /* if graphical mode, we allow Ctrl-C handling */
1603 tty.c_lflag &= ~ISIG;
1604 tty.c_cflag &= ~(CSIZE|PARENB);
1607 tty.c_cc[VTIME] = 0;
1609 tcsetattr (0, TCSANOW, &tty);
1613 fcntl(0, F_SETFL, O_NONBLOCK);
1616 static CharDriverState *qemu_chr_open_stdio(void)
1618 CharDriverState *chr;
1621 if (stdio_nb_clients >= STDIO_MAX_CLIENTS)
1623 chr = qemu_chr_open_fd(0, 1);
1624 chr->chr_write = stdio_write;
1625 if (stdio_nb_clients == 0)
1626 qemu_set_fd_handler2(0, stdio_read_poll, stdio_read, NULL, NULL);
1627 client_index = stdio_nb_clients;
1629 if (stdio_nb_clients != 0)
1631 chr = qemu_chr_open_fd(0, 1);
1633 stdio_clients[stdio_nb_clients++] = chr;
1634 if (stdio_nb_clients == 1) {
1635 /* set the terminal in raw mode */
1641 #if defined(__linux__)
1642 static CharDriverState *qemu_chr_open_pty(void)
1645 char slave_name[1024];
1646 int master_fd, slave_fd;
1648 /* Not satisfying */
1649 if (openpty(&master_fd, &slave_fd, slave_name, NULL, NULL) < 0) {
1653 /* Disabling local echo and line-buffered output */
1654 tcgetattr (master_fd, &tty);
1655 tty.c_lflag &= ~(ECHO|ICANON|ISIG);
1657 tty.c_cc[VTIME] = 0;
1658 tcsetattr (master_fd, TCSAFLUSH, &tty);
1660 fprintf(stderr, "char device redirected to %s\n", slave_name);
1661 return qemu_chr_open_fd(master_fd, master_fd);
1664 static void tty_serial_init(int fd, int speed,
1665 int parity, int data_bits, int stop_bits)
1671 printf("tty_serial_init: speed=%d parity=%c data=%d stop=%d\n",
1672 speed, parity, data_bits, stop_bits);
1674 tcgetattr (fd, &tty);
1716 cfsetispeed(&tty, spd);
1717 cfsetospeed(&tty, spd);
1719 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
1720 |INLCR|IGNCR|ICRNL|IXON);
1721 tty.c_oflag |= OPOST;
1722 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN|ISIG);
1723 tty.c_cflag &= ~(CSIZE|PARENB|PARODD|CRTSCTS|CSTOPB);
1744 tty.c_cflag |= PARENB;
1747 tty.c_cflag |= PARENB | PARODD;
1751 tty.c_cflag |= CSTOPB;
1753 tcsetattr (fd, TCSANOW, &tty);
1756 static int tty_serial_ioctl(CharDriverState *chr, int cmd, void *arg)
1758 FDCharDriver *s = chr->opaque;
1761 case CHR_IOCTL_SERIAL_SET_PARAMS:
1763 QEMUSerialSetParams *ssp = arg;
1764 tty_serial_init(s->fd_in, ssp->speed, ssp->parity,
1765 ssp->data_bits, ssp->stop_bits);
1768 case CHR_IOCTL_SERIAL_SET_BREAK:
1770 int enable = *(int *)arg;
1772 tcsendbreak(s->fd_in, 1);
1781 static CharDriverState *qemu_chr_open_tty(const char *filename)
1783 CharDriverState *chr;
1786 fd = open(filename, O_RDWR | O_NONBLOCK);
1789 fcntl(fd, F_SETFL, O_NONBLOCK);
1790 tty_serial_init(fd, 115200, 'N', 8, 1);
1791 chr = qemu_chr_open_fd(fd, fd);
1794 chr->chr_ioctl = tty_serial_ioctl;
1795 qemu_chr_reset(chr);
1799 static int pp_ioctl(CharDriverState *chr, int cmd, void *arg)
1801 int fd = (int)chr->opaque;
1805 case CHR_IOCTL_PP_READ_DATA:
1806 if (ioctl(fd, PPRDATA, &b) < 0)
1808 *(uint8_t *)arg = b;
1810 case CHR_IOCTL_PP_WRITE_DATA:
1811 b = *(uint8_t *)arg;
1812 if (ioctl(fd, PPWDATA, &b) < 0)
1815 case CHR_IOCTL_PP_READ_CONTROL:
1816 if (ioctl(fd, PPRCONTROL, &b) < 0)
1818 *(uint8_t *)arg = b;
1820 case CHR_IOCTL_PP_WRITE_CONTROL:
1821 b = *(uint8_t *)arg;
1822 if (ioctl(fd, PPWCONTROL, &b) < 0)
1825 case CHR_IOCTL_PP_READ_STATUS:
1826 if (ioctl(fd, PPRSTATUS, &b) < 0)
1828 *(uint8_t *)arg = b;
1836 static CharDriverState *qemu_chr_open_pp(const char *filename)
1838 CharDriverState *chr;
1841 fd = open(filename, O_RDWR);
1845 if (ioctl(fd, PPCLAIM) < 0) {
1850 chr = qemu_mallocz(sizeof(CharDriverState));
1855 chr->opaque = (void *)fd;
1856 chr->chr_write = null_chr_write;
1857 chr->chr_add_read_handler = null_chr_add_read_handler;
1858 chr->chr_ioctl = pp_ioctl;
1860 qemu_chr_reset(chr);
1866 static CharDriverState *qemu_chr_open_pty(void)
1872 #endif /* !defined(_WIN32) */
1876 IOCanRWHandler *fd_can_read;
1877 IOReadHandler *fd_read;
1880 HANDLE hcom, hrecv, hsend;
1881 OVERLAPPED orecv, osend;
1886 #define NSENDBUF 2048
1887 #define NRECVBUF 2048
1888 #define MAXCONNECT 1
1889 #define NTIMEOUT 5000
1891 static int win_chr_poll(void *opaque);
1892 static int win_chr_pipe_poll(void *opaque);
1894 static void win_chr_close2(WinCharState *s)
1897 CloseHandle(s->hsend);
1901 CloseHandle(s->hrecv);
1905 CloseHandle(s->hcom);
1909 qemu_del_polling_cb(win_chr_pipe_poll, s);
1911 qemu_del_polling_cb(win_chr_poll, s);
1914 static void win_chr_close(CharDriverState *chr)
1916 WinCharState *s = chr->opaque;
1920 static int win_chr_init(WinCharState *s, const char *filename)
1923 COMMTIMEOUTS cto = { 0, 0, 0, 0, 0};
1928 s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL);
1930 fprintf(stderr, "Failed CreateEvent\n");
1933 s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL);
1935 fprintf(stderr, "Failed CreateEvent\n");
1939 s->hcom = CreateFile(filename, GENERIC_READ|GENERIC_WRITE, 0, NULL,
1940 OPEN_EXISTING, FILE_FLAG_OVERLAPPED, 0);
1941 if (s->hcom == INVALID_HANDLE_VALUE) {
1942 fprintf(stderr, "Failed CreateFile (%lu)\n", GetLastError());
1947 if (!SetupComm(s->hcom, NRECVBUF, NSENDBUF)) {
1948 fprintf(stderr, "Failed SetupComm\n");
1952 ZeroMemory(&comcfg, sizeof(COMMCONFIG));
1953 size = sizeof(COMMCONFIG);
1954 GetDefaultCommConfig(filename, &comcfg, &size);
1955 comcfg.dcb.DCBlength = sizeof(DCB);
1956 CommConfigDialog(filename, NULL, &comcfg);
1958 if (!SetCommState(s->hcom, &comcfg.dcb)) {
1959 fprintf(stderr, "Failed SetCommState\n");
1963 if (!SetCommMask(s->hcom, EV_ERR)) {
1964 fprintf(stderr, "Failed SetCommMask\n");
1968 cto.ReadIntervalTimeout = MAXDWORD;
1969 if (!SetCommTimeouts(s->hcom, &cto)) {
1970 fprintf(stderr, "Failed SetCommTimeouts\n");
1974 if (!ClearCommError(s->hcom, &err, &comstat)) {
1975 fprintf(stderr, "Failed ClearCommError\n");
1978 qemu_add_polling_cb(win_chr_poll, s);
1986 static int win_chr_write(CharDriverState *chr, const uint8_t *buf, int len1)
1988 WinCharState *s = chr->opaque;
1989 DWORD len, ret, size, err;
1992 ZeroMemory(&s->osend, sizeof(s->osend));
1993 s->osend.hEvent = s->hsend;
1996 ret = WriteFile(s->hcom, buf, len, &size, &s->osend);
1998 ret = WriteFile(s->hcom, buf, len, &size, NULL);
2000 err = GetLastError();
2001 if (err == ERROR_IO_PENDING) {
2002 ret = GetOverlappedResult(s->hcom, &s->osend, &size, TRUE);
2020 static int win_chr_read_poll(WinCharState *s)
2022 s->max_size = s->fd_can_read(s->win_opaque);
2026 static void win_chr_readfile(WinCharState *s)
2032 ZeroMemory(&s->orecv, sizeof(s->orecv));
2033 s->orecv.hEvent = s->hrecv;
2034 ret = ReadFile(s->hcom, buf, s->len, &size, &s->orecv);
2036 err = GetLastError();
2037 if (err == ERROR_IO_PENDING) {
2038 ret = GetOverlappedResult(s->hcom, &s->orecv, &size, TRUE);
2043 s->fd_read(s->win_opaque, buf, size);
2047 static void win_chr_read(WinCharState *s)
2049 if (s->len > s->max_size)
2050 s->len = s->max_size;
2054 win_chr_readfile(s);
2057 static int win_chr_poll(void *opaque)
2059 WinCharState *s = opaque;
2063 ClearCommError(s->hcom, &comerr, &status);
2064 if (status.cbInQue > 0) {
2065 s->len = status.cbInQue;
2066 win_chr_read_poll(s);
2073 static void win_chr_add_read_handler(CharDriverState *chr,
2074 IOCanRWHandler *fd_can_read,
2075 IOReadHandler *fd_read, void *opaque)
2077 WinCharState *s = chr->opaque;
2079 s->fd_can_read = fd_can_read;
2080 s->fd_read = fd_read;
2081 s->win_opaque = opaque;
2084 static CharDriverState *qemu_chr_open_win(const char *filename)
2086 CharDriverState *chr;
2089 chr = qemu_mallocz(sizeof(CharDriverState));
2092 s = qemu_mallocz(sizeof(WinCharState));
2098 chr->chr_write = win_chr_write;
2099 chr->chr_add_read_handler = win_chr_add_read_handler;
2100 chr->chr_close = win_chr_close;
2102 if (win_chr_init(s, filename) < 0) {
2107 qemu_chr_reset(chr);
2111 static int win_chr_pipe_poll(void *opaque)
2113 WinCharState *s = opaque;
2116 PeekNamedPipe(s->hcom, NULL, 0, NULL, &size, NULL);
2119 win_chr_read_poll(s);
2126 static int win_chr_pipe_init(WinCharState *s, const char *filename)
2135 s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL);
2137 fprintf(stderr, "Failed CreateEvent\n");
2140 s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL);
2142 fprintf(stderr, "Failed CreateEvent\n");
2146 snprintf(openname, sizeof(openname), "\\\\.\\pipe\\%s", filename);
2147 s->hcom = CreateNamedPipe(openname, PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED,
2148 PIPE_TYPE_BYTE | PIPE_READMODE_BYTE |
2150 MAXCONNECT, NSENDBUF, NRECVBUF, NTIMEOUT, NULL);
2151 if (s->hcom == INVALID_HANDLE_VALUE) {
2152 fprintf(stderr, "Failed CreateNamedPipe (%lu)\n", GetLastError());
2157 ZeroMemory(&ov, sizeof(ov));
2158 ov.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
2159 ret = ConnectNamedPipe(s->hcom, &ov);
2161 fprintf(stderr, "Failed ConnectNamedPipe\n");
2165 ret = GetOverlappedResult(s->hcom, &ov, &size, TRUE);
2167 fprintf(stderr, "Failed GetOverlappedResult\n");
2169 CloseHandle(ov.hEvent);
2176 CloseHandle(ov.hEvent);
2179 qemu_add_polling_cb(win_chr_pipe_poll, s);
2188 static CharDriverState *qemu_chr_open_win_pipe(const char *filename)
2190 CharDriverState *chr;
2193 chr = qemu_mallocz(sizeof(CharDriverState));
2196 s = qemu_mallocz(sizeof(WinCharState));
2202 chr->chr_write = win_chr_write;
2203 chr->chr_add_read_handler = win_chr_add_read_handler;
2204 chr->chr_close = win_chr_close;
2206 if (win_chr_pipe_init(s, filename) < 0) {
2211 qemu_chr_reset(chr);
2215 static CharDriverState *qemu_chr_open_win_file(HANDLE fd_out)
2217 CharDriverState *chr;
2220 chr = qemu_mallocz(sizeof(CharDriverState));
2223 s = qemu_mallocz(sizeof(WinCharState));
2230 chr->chr_write = win_chr_write;
2231 chr->chr_add_read_handler = win_chr_add_read_handler;
2232 qemu_chr_reset(chr);
2236 static CharDriverState *qemu_chr_open_win_file_out(const char *file_out)
2240 fd_out = CreateFile(file_out, GENERIC_WRITE, FILE_SHARE_READ, NULL,
2241 OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
2242 if (fd_out == INVALID_HANDLE_VALUE)
2245 return qemu_chr_open_win_file(fd_out);
2249 /***********************************************************/
2250 /* UDP Net console */
2253 IOCanRWHandler *fd_can_read;
2254 IOReadHandler *fd_read;
2257 struct sockaddr_in daddr;
2264 static int udp_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
2266 NetCharDriver *s = chr->opaque;
2268 return sendto(s->fd, buf, len, 0,
2269 (struct sockaddr *)&s->daddr, sizeof(struct sockaddr_in));
2272 static int udp_chr_read_poll(void *opaque)
2274 CharDriverState *chr = opaque;
2275 NetCharDriver *s = chr->opaque;
2277 s->max_size = s->fd_can_read(s->fd_opaque);
2279 /* If there were any stray characters in the queue process them
2282 while (s->max_size > 0 && s->bufptr < s->bufcnt) {
2283 s->fd_read(s->fd_opaque, &s->buf[s->bufptr], 1);
2285 s->max_size = s->fd_can_read(s->fd_opaque);
2290 static void udp_chr_read(void *opaque)
2292 CharDriverState *chr = opaque;
2293 NetCharDriver *s = chr->opaque;
2295 if (s->max_size == 0)
2297 s->bufcnt = recv(s->fd, s->buf, sizeof(s->buf), 0);
2298 s->bufptr = s->bufcnt;
2303 while (s->max_size > 0 && s->bufptr < s->bufcnt) {
2304 s->fd_read(s->fd_opaque, &s->buf[s->bufptr], 1);
2306 s->max_size = s->fd_can_read(s->fd_opaque);
2310 static void udp_chr_add_read_handler(CharDriverState *chr,
2311 IOCanRWHandler *fd_can_read,
2312 IOReadHandler *fd_read, void *opaque)
2314 NetCharDriver *s = chr->opaque;
2317 s->fd_can_read = fd_can_read;
2318 s->fd_read = fd_read;
2319 s->fd_opaque = opaque;
2320 qemu_set_fd_handler2(s->fd, udp_chr_read_poll,
2321 udp_chr_read, NULL, chr);
2325 int parse_host_port(struct sockaddr_in *saddr, const char *str);
2327 static int parse_unix_path(struct sockaddr_un *uaddr, const char *str);
2329 int parse_host_src_port(struct sockaddr_in *haddr,
2330 struct sockaddr_in *saddr,
2333 static CharDriverState *qemu_chr_open_udp(const char *def)
2335 CharDriverState *chr = NULL;
2336 NetCharDriver *s = NULL;
2338 struct sockaddr_in saddr;
2340 chr = qemu_mallocz(sizeof(CharDriverState));
2343 s = qemu_mallocz(sizeof(NetCharDriver));
2347 fd = socket(PF_INET, SOCK_DGRAM, 0);
2349 perror("socket(PF_INET, SOCK_DGRAM)");
2353 if (parse_host_src_port(&s->daddr, &saddr, def) < 0) {
2354 printf("Could not parse: %s\n", def);
2358 if (bind(fd, (struct sockaddr *)&saddr, sizeof(saddr)) < 0)
2368 chr->chr_write = udp_chr_write;
2369 chr->chr_add_read_handler = udp_chr_add_read_handler;
2382 /***********************************************************/
2383 /* TCP Net console */
2386 IOCanRWHandler *fd_can_read;
2387 IOReadHandler *fd_read;
2396 static void tcp_chr_accept(void *opaque);
2398 static int tcp_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
2400 TCPCharDriver *s = chr->opaque;
2402 return send_all(s->fd, buf, len);
2404 /* XXX: indicate an error ? */
2409 static int tcp_chr_read_poll(void *opaque)
2411 CharDriverState *chr = opaque;
2412 TCPCharDriver *s = chr->opaque;
2415 if (!s->fd_can_read)
2417 s->max_size = s->fd_can_read(s->fd_opaque);
2422 #define IAC_BREAK 243
2423 static void tcp_chr_process_IAC_bytes(CharDriverState *chr,
2425 char *buf, int *size)
2427 /* Handle any telnet client's basic IAC options to satisfy char by
2428 * char mode with no echo. All IAC options will be removed from
2429 * the buf and the do_telnetopt variable will be used to track the
2430 * state of the width of the IAC information.
2432 * IAC commands come in sets of 3 bytes with the exception of the
2433 * "IAC BREAK" command and the double IAC.
2439 for (i = 0; i < *size; i++) {
2440 if (s->do_telnetopt > 1) {
2441 if ((unsigned char)buf[i] == IAC && s->do_telnetopt == 2) {
2442 /* Double IAC means send an IAC */
2446 s->do_telnetopt = 1;
2448 if ((unsigned char)buf[i] == IAC_BREAK && s->do_telnetopt == 2) {
2449 /* Handle IAC break commands by sending a serial break */
2450 chr->chr_event(s->fd_opaque, CHR_EVENT_BREAK);
2455 if (s->do_telnetopt >= 4) {
2456 s->do_telnetopt = 1;
2459 if ((unsigned char)buf[i] == IAC) {
2460 s->do_telnetopt = 2;
2471 static void tcp_chr_read(void *opaque)
2473 CharDriverState *chr = opaque;
2474 TCPCharDriver *s = chr->opaque;
2478 if (!s->connected || s->max_size <= 0)
2481 if (len > s->max_size)
2483 size = recv(s->fd, buf, len, 0);
2485 /* connection closed */
2487 if (s->listen_fd >= 0) {
2488 qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr);
2490 qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
2493 } else if (size > 0) {
2494 if (s->do_telnetopt)
2495 tcp_chr_process_IAC_bytes(chr, s, buf, &size);
2497 s->fd_read(s->fd_opaque, buf, size);
2501 static void tcp_chr_add_read_handler(CharDriverState *chr,
2502 IOCanRWHandler *fd_can_read,
2503 IOReadHandler *fd_read, void *opaque)
2505 TCPCharDriver *s = chr->opaque;
2507 s->fd_can_read = fd_can_read;
2508 s->fd_read = fd_read;
2509 s->fd_opaque = opaque;
2512 static void tcp_chr_connect(void *opaque)
2514 CharDriverState *chr = opaque;
2515 TCPCharDriver *s = chr->opaque;
2518 qemu_set_fd_handler2(s->fd, tcp_chr_read_poll,
2519 tcp_chr_read, NULL, chr);
2520 qemu_chr_reset(chr);
2523 #define IACSET(x,a,b,c) x[0] = a; x[1] = b; x[2] = c;
2524 static void tcp_chr_telnet_init(int fd)
2527 /* Send the telnet negotion to put telnet in binary, no echo, single char mode */
2528 IACSET(buf, 0xff, 0xfb, 0x01); /* IAC WILL ECHO */
2529 send(fd, (char *)buf, 3, 0);
2530 IACSET(buf, 0xff, 0xfb, 0x03); /* IAC WILL Suppress go ahead */
2531 send(fd, (char *)buf, 3, 0);
2532 IACSET(buf, 0xff, 0xfb, 0x00); /* IAC WILL Binary */
2533 send(fd, (char *)buf, 3, 0);
2534 IACSET(buf, 0xff, 0xfd, 0x00); /* IAC DO Binary */
2535 send(fd, (char *)buf, 3, 0);
2538 static void tcp_chr_accept(void *opaque)
2540 CharDriverState *chr = opaque;
2541 TCPCharDriver *s = chr->opaque;
2542 struct sockaddr_in saddr;
2544 struct sockaddr_un uaddr;
2546 struct sockaddr *addr;
2553 len = sizeof(uaddr);
2554 addr = (struct sockaddr *)&uaddr;
2558 len = sizeof(saddr);
2559 addr = (struct sockaddr *)&saddr;
2561 fd = accept(s->listen_fd, addr, &len);
2562 if (fd < 0 && errno != EINTR) {
2564 } else if (fd >= 0) {
2565 if (s->do_telnetopt)
2566 tcp_chr_telnet_init(fd);
2570 socket_set_nonblock(fd);
2572 qemu_set_fd_handler(s->listen_fd, NULL, NULL, NULL);
2573 tcp_chr_connect(chr);
2576 static void tcp_chr_close(CharDriverState *chr)
2578 TCPCharDriver *s = chr->opaque;
2581 if (s->listen_fd >= 0)
2582 closesocket(s->listen_fd);
2586 static CharDriverState *qemu_chr_open_tcp(const char *host_str,
2590 CharDriverState *chr = NULL;
2591 TCPCharDriver *s = NULL;
2592 int fd = -1, ret, err, val;
2594 int is_waitconnect = 1;
2596 struct sockaddr_in saddr;
2598 struct sockaddr_un uaddr;
2600 struct sockaddr *addr;
2605 addr = (struct sockaddr *)&uaddr;
2606 addrlen = sizeof(uaddr);
2607 if (parse_unix_path(&uaddr, host_str) < 0)
2612 addr = (struct sockaddr *)&saddr;
2613 addrlen = sizeof(saddr);
2614 if (parse_host_port(&saddr, host_str) < 0)
2619 while((ptr = strchr(ptr,','))) {
2621 if (!strncmp(ptr,"server",6)) {
2623 } else if (!strncmp(ptr,"nowait",6)) {
2626 printf("Unknown option: %s\n", ptr);
2633 chr = qemu_mallocz(sizeof(CharDriverState));
2636 s = qemu_mallocz(sizeof(TCPCharDriver));
2642 fd = socket(PF_UNIX, SOCK_STREAM, 0);
2645 fd = socket(PF_INET, SOCK_STREAM, 0);
2650 if (!is_waitconnect)
2651 socket_set_nonblock(fd);
2656 s->is_unix = is_unix;
2659 chr->chr_write = tcp_chr_write;
2660 chr->chr_add_read_handler = tcp_chr_add_read_handler;
2661 chr->chr_close = tcp_chr_close;
2664 /* allow fast reuse */
2668 strncpy(path, uaddr.sun_path, 108);
2675 setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&val, sizeof(val));
2678 ret = bind(fd, addr, addrlen);
2682 ret = listen(fd, 0);
2687 qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr);
2689 s->do_telnetopt = 1;
2692 ret = connect(fd, addr, addrlen);
2694 err = socket_error();
2695 if (err == EINTR || err == EWOULDBLOCK) {
2696 } else if (err == EINPROGRESS) {
2708 tcp_chr_connect(chr);
2710 qemu_set_fd_handler(s->fd, NULL, tcp_chr_connect, chr);
2713 if (is_listen && is_waitconnect) {
2714 printf("QEMU waiting for connection on: %s\n", host_str);
2715 tcp_chr_accept(chr);
2716 socket_set_nonblock(s->listen_fd);
2728 CharDriverState *qemu_chr_open(const char *filename)
2732 if (!strcmp(filename, "vc")) {
2733 return text_console_init(&display_state);
2734 } else if (!strcmp(filename, "null")) {
2735 return qemu_chr_open_null();
2737 if (strstart(filename, "tcp:", &p)) {
2738 return qemu_chr_open_tcp(p, 0, 0);
2740 if (strstart(filename, "telnet:", &p)) {
2741 return qemu_chr_open_tcp(p, 1, 0);
2743 if (strstart(filename, "udp:", &p)) {
2744 return qemu_chr_open_udp(p);
2747 if (strstart(filename, "unix:", &p)) {
2748 return qemu_chr_open_tcp(p, 0, 1);
2749 } else if (strstart(filename, "file:", &p)) {
2750 return qemu_chr_open_file_out(p);
2751 } else if (strstart(filename, "pipe:", &p)) {
2752 return qemu_chr_open_pipe(p);
2753 } else if (!strcmp(filename, "pty")) {
2754 return qemu_chr_open_pty();
2755 } else if (!strcmp(filename, "stdio")) {
2756 return qemu_chr_open_stdio();
2759 #if defined(__linux__)
2760 if (strstart(filename, "/dev/parport", NULL)) {
2761 return qemu_chr_open_pp(filename);
2763 if (strstart(filename, "/dev/", NULL)) {
2764 return qemu_chr_open_tty(filename);
2768 if (strstart(filename, "COM", NULL)) {
2769 return qemu_chr_open_win(filename);
2771 if (strstart(filename, "pipe:", &p)) {
2772 return qemu_chr_open_win_pipe(p);
2774 if (strstart(filename, "file:", &p)) {
2775 return qemu_chr_open_win_file_out(p);
2783 void qemu_chr_close(CharDriverState *chr)
2786 chr->chr_close(chr);
2789 /***********************************************************/
2790 /* network device redirectors */
2792 void hex_dump(FILE *f, const uint8_t *buf, int size)
2796 for(i=0;i<size;i+=16) {
2800 fprintf(f, "%08x ", i);
2803 fprintf(f, " %02x", buf[i+j]);
2808 for(j=0;j<len;j++) {
2810 if (c < ' ' || c > '~')
2812 fprintf(f, "%c", c);
2818 static int parse_macaddr(uint8_t *macaddr, const char *p)
2821 for(i = 0; i < 6; i++) {
2822 macaddr[i] = strtol(p, (char **)&p, 16);
2835 static int get_str_sep(char *buf, int buf_size, const char **pp, int sep)
2840 p1 = strchr(p, sep);
2846 if (len > buf_size - 1)
2848 memcpy(buf, p, len);
2855 int parse_host_src_port(struct sockaddr_in *haddr,
2856 struct sockaddr_in *saddr,
2857 const char *input_str)
2859 char *str = strdup(input_str);
2860 char *host_str = str;
2865 * Chop off any extra arguments at the end of the string which
2866 * would start with a comma, then fill in the src port information
2867 * if it was provided else use the "any address" and "any port".
2869 if ((ptr = strchr(str,',')))
2872 if ((src_str = strchr(input_str,'@'))) {
2877 if (parse_host_port(haddr, host_str) < 0)
2880 if (!src_str || *src_str == '\0')
2883 if (parse_host_port(saddr, src_str) < 0)
2894 int parse_host_port(struct sockaddr_in *saddr, const char *str)
2902 if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
2904 saddr->sin_family = AF_INET;
2905 if (buf[0] == '\0') {
2906 saddr->sin_addr.s_addr = 0;
2908 if (isdigit(buf[0])) {
2909 if (!inet_aton(buf, &saddr->sin_addr))
2912 if ((he = gethostbyname(buf)) == NULL)
2914 saddr->sin_addr = *(struct in_addr *)he->h_addr;
2917 port = strtol(p, (char **)&r, 0);
2920 saddr->sin_port = htons(port);
2925 static int parse_unix_path(struct sockaddr_un *uaddr, const char *str)
2930 len = MIN(108, strlen(str));
2931 p = strchr(str, ',');
2933 len = MIN(len, p - str);
2935 memset(uaddr, 0, sizeof(*uaddr));
2937 uaddr->sun_family = AF_UNIX;
2938 memcpy(uaddr->sun_path, str, len);
2944 /* find or alloc a new VLAN */
2945 VLANState *qemu_find_vlan(int id)
2947 VLANState **pvlan, *vlan;
2948 for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) {
2952 vlan = qemu_mallocz(sizeof(VLANState));
2957 pvlan = &first_vlan;
2958 while (*pvlan != NULL)
2959 pvlan = &(*pvlan)->next;
2964 VLANClientState *qemu_new_vlan_client(VLANState *vlan,
2965 IOReadHandler *fd_read,
2966 IOCanRWHandler *fd_can_read,
2969 VLANClientState *vc, **pvc;
2970 vc = qemu_mallocz(sizeof(VLANClientState));
2973 vc->fd_read = fd_read;
2974 vc->fd_can_read = fd_can_read;
2975 vc->opaque = opaque;
2979 pvc = &vlan->first_client;
2980 while (*pvc != NULL)
2981 pvc = &(*pvc)->next;
2986 int qemu_can_send_packet(VLANClientState *vc1)
2988 VLANState *vlan = vc1->vlan;
2989 VLANClientState *vc;
2991 for(vc = vlan->first_client; vc != NULL; vc = vc->next) {
2993 if (vc->fd_can_read && !vc->fd_can_read(vc->opaque))
3000 void qemu_send_packet(VLANClientState *vc1, const uint8_t *buf, int size)
3002 VLANState *vlan = vc1->vlan;
3003 VLANClientState *vc;
3006 printf("vlan %d send:\n", vlan->id);
3007 hex_dump(stdout, buf, size);
3009 for(vc = vlan->first_client; vc != NULL; vc = vc->next) {
3011 vc->fd_read(vc->opaque, buf, size);
3016 #if defined(CONFIG_SLIRP)
3018 /* slirp network adapter */
3020 static int slirp_inited;
3021 static VLANClientState *slirp_vc;
3023 int slirp_can_output(void)
3025 return !slirp_vc || qemu_can_send_packet(slirp_vc);
3028 void slirp_output(const uint8_t *pkt, int pkt_len)
3031 printf("slirp output:\n");
3032 hex_dump(stdout, pkt, pkt_len);
3036 qemu_send_packet(slirp_vc, pkt, pkt_len);
3039 static void slirp_receive(void *opaque, const uint8_t *buf, int size)
3042 printf("slirp input:\n");
3043 hex_dump(stdout, buf, size);
3045 slirp_input(buf, size);
3048 static int net_slirp_init(VLANState *vlan)
3050 if (!slirp_inited) {
3054 slirp_vc = qemu_new_vlan_client(vlan,
3055 slirp_receive, NULL, NULL);
3056 snprintf(slirp_vc->info_str, sizeof(slirp_vc->info_str), "user redirector");
3060 static void net_slirp_redir(const char *redir_str)
3065 struct in_addr guest_addr;
3066 int host_port, guest_port;
3068 if (!slirp_inited) {
3074 if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
3076 if (!strcmp(buf, "tcp")) {
3078 } else if (!strcmp(buf, "udp")) {
3084 if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
3086 host_port = strtol(buf, &r, 0);
3090 if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
3092 if (buf[0] == '\0') {
3093 pstrcpy(buf, sizeof(buf), "10.0.2.15");
3095 if (!inet_aton(buf, &guest_addr))
3098 guest_port = strtol(p, &r, 0);
3102 if (slirp_redir(is_udp, host_port, guest_addr, guest_port) < 0) {
3103 fprintf(stderr, "qemu: could not set up redirection\n");
3108 fprintf(stderr, "qemu: syntax: -redir [tcp|udp]:host-port:[guest-host]:guest-port\n");
3116 static void smb_exit(void)
3120 char filename[1024];
3122 /* erase all the files in the directory */
3123 d = opendir(smb_dir);
3128 if (strcmp(de->d_name, ".") != 0 &&
3129 strcmp(de->d_name, "..") != 0) {
3130 snprintf(filename, sizeof(filename), "%s/%s",
3131 smb_dir, de->d_name);
3139 /* automatic user mode samba server configuration */
3140 void net_slirp_smb(const char *exported_dir)
3142 char smb_conf[1024];
3143 char smb_cmdline[1024];
3146 if (!slirp_inited) {
3151 /* XXX: better tmp dir construction */
3152 snprintf(smb_dir, sizeof(smb_dir), "/tmp/qemu-smb.%d", getpid());
3153 if (mkdir(smb_dir, 0700) < 0) {
3154 fprintf(stderr, "qemu: could not create samba server dir '%s'\n", smb_dir);
3157 snprintf(smb_conf, sizeof(smb_conf), "%s/%s", smb_dir, "smb.conf");
3159 f = fopen(smb_conf, "w");
3161 fprintf(stderr, "qemu: could not create samba server configuration file '%s'\n", smb_conf);
3168 "socket address=127.0.0.1\n"
3169 "pid directory=%s\n"
3170 "lock directory=%s\n"
3171 "log file=%s/log.smbd\n"
3172 "smb passwd file=%s/smbpasswd\n"
3173 "security = share\n"
3188 snprintf(smb_cmdline, sizeof(smb_cmdline), "%s -s %s",
3189 SMBD_COMMAND, smb_conf);
3191 slirp_add_exec(0, smb_cmdline, 4, 139);
3194 #endif /* !defined(_WIN32) */
3196 #endif /* CONFIG_SLIRP */
3198 #if !defined(_WIN32)
3200 typedef struct TAPState {
3201 VLANClientState *vc;
3205 static void tap_receive(void *opaque, const uint8_t *buf, int size)
3207 TAPState *s = opaque;
3210 ret = write(s->fd, buf, size);
3211 if (ret < 0 && (errno == EINTR || errno == EAGAIN)) {
3218 static void tap_send(void *opaque)
3220 TAPState *s = opaque;
3224 size = read(s->fd, buf, sizeof(buf));
3226 qemu_send_packet(s->vc, buf, size);
3232 static TAPState *net_tap_fd_init(VLANState *vlan, int fd)
3236 s = qemu_mallocz(sizeof(TAPState));
3240 s->vc = qemu_new_vlan_client(vlan, tap_receive, NULL, s);
3241 qemu_set_fd_handler(s->fd, tap_send, NULL, s);
3242 snprintf(s->vc->info_str, sizeof(s->vc->info_str), "tap: fd=%d", fd);
3247 static int tap_open(char *ifname, int ifname_size)
3253 fd = open("/dev/tap", O_RDWR);
3255 fprintf(stderr, "warning: could not open /dev/tap: no virtual network emulation\n");
3260 dev = devname(s.st_rdev, S_IFCHR);
3261 pstrcpy(ifname, ifname_size, dev);
3263 fcntl(fd, F_SETFL, O_NONBLOCK);
3266 #elif defined(__sun__)
3267 static int tap_open(char *ifname, int ifname_size)
3269 fprintf(stderr, "warning: tap_open not yet implemented\n");
3273 static int tap_open(char *ifname, int ifname_size)
3278 fd = open("/dev/net/tun", O_RDWR);
3280 fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n");
3283 memset(&ifr, 0, sizeof(ifr));
3284 ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
3285 if (ifname[0] != '\0')
3286 pstrcpy(ifr.ifr_name, IFNAMSIZ, ifname);
3288 pstrcpy(ifr.ifr_name, IFNAMSIZ, "tap%d");
3289 ret = ioctl(fd, TUNSETIFF, (void *) &ifr);
3291 fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n");
3295 pstrcpy(ifname, ifname_size, ifr.ifr_name);
3296 fcntl(fd, F_SETFL, O_NONBLOCK);
3301 static int net_tap_init(VLANState *vlan, const char *ifname1,
3302 const char *setup_script)
3305 int pid, status, fd;
3310 if (ifname1 != NULL)
3311 pstrcpy(ifname, sizeof(ifname), ifname1);
3314 fd = tap_open(ifname, sizeof(ifname));
3320 if (setup_script[0] != '\0') {
3321 /* try to launch network init script */
3326 *parg++ = (char *)setup_script;
3329 execv(setup_script, args);
3332 while (waitpid(pid, &status, 0) != pid);
3333 if (!WIFEXITED(status) ||
3334 WEXITSTATUS(status) != 0) {
3335 fprintf(stderr, "%s: could not launch network script\n",
3341 s = net_tap_fd_init(vlan, fd);
3344 snprintf(s->vc->info_str, sizeof(s->vc->info_str),
3345 "tap: ifname=%s setup_script=%s", ifname, setup_script);
3349 #endif /* !_WIN32 */
3351 /* network connection */
3352 typedef struct NetSocketState {
3353 VLANClientState *vc;
3355 int state; /* 0 = getting length, 1 = getting data */
3359 struct sockaddr_in dgram_dst; /* contains inet host and port destination iff connectionless (SOCK_DGRAM) */
3362 typedef struct NetSocketListenState {
3365 } NetSocketListenState;
3367 /* XXX: we consider we can send the whole packet without blocking */
3368 static void net_socket_receive(void *opaque, const uint8_t *buf, int size)
3370 NetSocketState *s = opaque;
3374 send_all(s->fd, (const uint8_t *)&len, sizeof(len));
3375 send_all(s->fd, buf, size);
3378 static void net_socket_receive_dgram(void *opaque, const uint8_t *buf, int size)
3380 NetSocketState *s = opaque;
3381 sendto(s->fd, buf, size, 0,
3382 (struct sockaddr *)&s->dgram_dst, sizeof(s->dgram_dst));
3385 static void net_socket_send(void *opaque)
3387 NetSocketState *s = opaque;
3392 size = recv(s->fd, buf1, sizeof(buf1), 0);
3394 err = socket_error();
3395 if (err != EWOULDBLOCK)
3397 } else if (size == 0) {
3398 /* end of connection */
3400 qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
3406 /* reassemble a packet from the network */
3412 memcpy(s->buf + s->index, buf, l);
3416 if (s->index == 4) {
3418 s->packet_len = ntohl(*(uint32_t *)s->buf);
3424 l = s->packet_len - s->index;
3427 memcpy(s->buf + s->index, buf, l);
3431 if (s->index >= s->packet_len) {
3432 qemu_send_packet(s->vc, s->buf, s->packet_len);
3441 static void net_socket_send_dgram(void *opaque)
3443 NetSocketState *s = opaque;
3446 size = recv(s->fd, s->buf, sizeof(s->buf), 0);
3450 /* end of connection */
3451 qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
3454 qemu_send_packet(s->vc, s->buf, size);
3457 static int net_socket_mcast_create(struct sockaddr_in *mcastaddr)
3462 if (!IN_MULTICAST(ntohl(mcastaddr->sin_addr.s_addr))) {
3463 fprintf(stderr, "qemu: error: specified mcastaddr \"%s\" (0x%08x) does not contain a multicast address\n",
3464 inet_ntoa(mcastaddr->sin_addr),
3465 (int)ntohl(mcastaddr->sin_addr.s_addr));
3469 fd = socket(PF_INET, SOCK_DGRAM, 0);
3471 perror("socket(PF_INET, SOCK_DGRAM)");
3476 ret=setsockopt(fd, SOL_SOCKET, SO_REUSEADDR,
3477 (const char *)&val, sizeof(val));
3479 perror("setsockopt(SOL_SOCKET, SO_REUSEADDR)");
3483 ret = bind(fd, (struct sockaddr *)mcastaddr, sizeof(*mcastaddr));
3489 /* Add host to multicast group */
3490 imr.imr_multiaddr = mcastaddr->sin_addr;
3491 imr.imr_interface.s_addr = htonl(INADDR_ANY);
3493 ret = setsockopt(fd, IPPROTO_IP, IP_ADD_MEMBERSHIP,
3494 (const char *)&imr, sizeof(struct ip_mreq));
3496 perror("setsockopt(IP_ADD_MEMBERSHIP)");
3500 /* Force mcast msgs to loopback (eg. several QEMUs in same host */
3502 ret=setsockopt(fd, IPPROTO_IP, IP_MULTICAST_LOOP,
3503 (const char *)&val, sizeof(val));
3505 perror("setsockopt(SOL_IP, IP_MULTICAST_LOOP)");
3509 socket_set_nonblock(fd);
3517 static NetSocketState *net_socket_fd_init_dgram(VLANState *vlan, int fd,
3520 struct sockaddr_in saddr;
3522 socklen_t saddr_len;
3525 /* fd passed: multicast: "learn" dgram_dst address from bound address and save it
3526 * Because this may be "shared" socket from a "master" process, datagrams would be recv()
3527 * by ONLY ONE process: we must "clone" this dgram socket --jjo
3531 if (getsockname(fd, (struct sockaddr *) &saddr, &saddr_len) == 0) {
3533 if (saddr.sin_addr.s_addr==0) {
3534 fprintf(stderr, "qemu: error: init_dgram: fd=%d unbound, cannot setup multicast dst addr\n",
3538 /* clone dgram socket */
3539 newfd = net_socket_mcast_create(&saddr);
3541 /* error already reported by net_socket_mcast_create() */
3545 /* clone newfd to fd, close newfd */
3550 fprintf(stderr, "qemu: error: init_dgram: fd=%d failed getsockname(): %s\n",
3551 fd, strerror(errno));
3556 s = qemu_mallocz(sizeof(NetSocketState));
3561 s->vc = qemu_new_vlan_client(vlan, net_socket_receive_dgram, NULL, s);
3562 qemu_set_fd_handler(s->fd, net_socket_send_dgram, NULL, s);
3564 /* mcast: save bound address as dst */
3565 if (is_connected) s->dgram_dst=saddr;
3567 snprintf(s->vc->info_str, sizeof(s->vc->info_str),
3568 "socket: fd=%d (%s mcast=%s:%d)",
3569 fd, is_connected? "cloned" : "",
3570 inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
3574 static void net_socket_connect(void *opaque)
3576 NetSocketState *s = opaque;
3577 qemu_set_fd_handler(s->fd, net_socket_send, NULL, s);
3580 static NetSocketState *net_socket_fd_init_stream(VLANState *vlan, int fd,
3584 s = qemu_mallocz(sizeof(NetSocketState));
3588 s->vc = qemu_new_vlan_client(vlan,
3589 net_socket_receive, NULL, s);
3590 snprintf(s->vc->info_str, sizeof(s->vc->info_str),
3591 "socket: fd=%d", fd);
3593 net_socket_connect(s);
3595 qemu_set_fd_handler(s->fd, NULL, net_socket_connect, s);
3600 static NetSocketState *net_socket_fd_init(VLANState *vlan, int fd,
3603 int so_type=-1, optlen=sizeof(so_type);
3605 if(getsockopt(fd, SOL_SOCKET, SO_TYPE, (char *)&so_type, &optlen)< 0) {
3606 fprintf(stderr, "qemu: error: setsockopt(SO_TYPE) for fd=%d failed\n", fd);
3611 return net_socket_fd_init_dgram(vlan, fd, is_connected);
3613 return net_socket_fd_init_stream(vlan, fd, is_connected);
3615 /* who knows ... this could be a eg. a pty, do warn and continue as stream */
3616 fprintf(stderr, "qemu: warning: socket type=%d for fd=%d is not SOCK_DGRAM or SOCK_STREAM\n", so_type, fd);
3617 return net_socket_fd_init_stream(vlan, fd, is_connected);
3622 static void net_socket_accept(void *opaque)
3624 NetSocketListenState *s = opaque;
3626 struct sockaddr_in saddr;
3631 len = sizeof(saddr);
3632 fd = accept(s->fd, (struct sockaddr *)&saddr, &len);
3633 if (fd < 0 && errno != EINTR) {
3635 } else if (fd >= 0) {
3639 s1 = net_socket_fd_init(s->vlan, fd, 1);
3643 snprintf(s1->vc->info_str, sizeof(s1->vc->info_str),
3644 "socket: connection from %s:%d",
3645 inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
3649 static int net_socket_listen_init(VLANState *vlan, const char *host_str)
3651 NetSocketListenState *s;
3653 struct sockaddr_in saddr;
3655 if (parse_host_port(&saddr, host_str) < 0)
3658 s = qemu_mallocz(sizeof(NetSocketListenState));
3662 fd = socket(PF_INET, SOCK_STREAM, 0);
3667 socket_set_nonblock(fd);
3669 /* allow fast reuse */
3671 setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&val, sizeof(val));
3673 ret = bind(fd, (struct sockaddr *)&saddr, sizeof(saddr));
3678 ret = listen(fd, 0);
3685 qemu_set_fd_handler(fd, net_socket_accept, NULL, s);
3689 static int net_socket_connect_init(VLANState *vlan, const char *host_str)
3692 int fd, connected, ret, err;
3693 struct sockaddr_in saddr;
3695 if (parse_host_port(&saddr, host_str) < 0)
3698 fd = socket(PF_INET, SOCK_STREAM, 0);
3703 socket_set_nonblock(fd);
3707 ret = connect(fd, (struct sockaddr *)&saddr, sizeof(saddr));
3709 err = socket_error();
3710 if (err == EINTR || err == EWOULDBLOCK) {
3711 } else if (err == EINPROGRESS) {
3723 s = net_socket_fd_init(vlan, fd, connected);
3726 snprintf(s->vc->info_str, sizeof(s->vc->info_str),
3727 "socket: connect to %s:%d",
3728 inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
3732 static int net_socket_mcast_init(VLANState *vlan, const char *host_str)
3736 struct sockaddr_in saddr;
3738 if (parse_host_port(&saddr, host_str) < 0)
3742 fd = net_socket_mcast_create(&saddr);
3746 s = net_socket_fd_init(vlan, fd, 0);
3750 s->dgram_dst = saddr;
3752 snprintf(s->vc->info_str, sizeof(s->vc->info_str),
3753 "socket: mcast=%s:%d",
3754 inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
3759 static int get_param_value(char *buf, int buf_size,
3760 const char *tag, const char *str)
3769 while (*p != '\0' && *p != '=') {
3770 if ((q - option) < sizeof(option) - 1)
3778 if (!strcmp(tag, option)) {
3780 while (*p != '\0' && *p != ',') {
3781 if ((q - buf) < buf_size - 1)
3788 while (*p != '\0' && *p != ',') {
3799 static int net_client_init(const char *str)
3810 while (*p != '\0' && *p != ',') {
3811 if ((q - device) < sizeof(device) - 1)
3819 if (get_param_value(buf, sizeof(buf), "vlan", p)) {
3820 vlan_id = strtol(buf, NULL, 0);
3822 vlan = qemu_find_vlan(vlan_id);
3824 fprintf(stderr, "Could not create vlan %d\n", vlan_id);
3827 if (!strcmp(device, "nic")) {
3831 if (nb_nics >= MAX_NICS) {
3832 fprintf(stderr, "Too Many NICs\n");
3835 nd = &nd_table[nb_nics];
3836 macaddr = nd->macaddr;
3842 macaddr[5] = 0x56 + nb_nics;
3844 if (get_param_value(buf, sizeof(buf), "macaddr", p)) {
3845 if (parse_macaddr(macaddr, buf) < 0) {
3846 fprintf(stderr, "invalid syntax for ethernet address\n");
3850 if (get_param_value(buf, sizeof(buf), "model", p)) {
3851 nd->model = strdup(buf);
3857 if (!strcmp(device, "none")) {
3858 /* does nothing. It is needed to signal that no network cards
3863 if (!strcmp(device, "user")) {
3864 if (get_param_value(buf, sizeof(buf), "hostname", p)) {
3865 pstrcpy(slirp_hostname, sizeof(slirp_hostname), buf);
3867 ret = net_slirp_init(vlan);
3871 if (!strcmp(device, "tap")) {
3873 if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) {
3874 fprintf(stderr, "tap: no interface name\n");
3877 ret = tap_win32_init(vlan, ifname);
3880 if (!strcmp(device, "tap")) {
3882 char setup_script[1024];
3884 if (get_param_value(buf, sizeof(buf), "fd", p) > 0) {
3885 fd = strtol(buf, NULL, 0);
3887 if (net_tap_fd_init(vlan, fd))
3890 if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) {
3893 if (get_param_value(setup_script, sizeof(setup_script), "script", p) == 0) {
3894 pstrcpy(setup_script, sizeof(setup_script), DEFAULT_NETWORK_SCRIPT);
3896 ret = net_tap_init(vlan, ifname, setup_script);
3900 if (!strcmp(device, "socket")) {
3901 if (get_param_value(buf, sizeof(buf), "fd", p) > 0) {
3903 fd = strtol(buf, NULL, 0);
3905 if (net_socket_fd_init(vlan, fd, 1))
3907 } else if (get_param_value(buf, sizeof(buf), "listen", p) > 0) {
3908 ret = net_socket_listen_init(vlan, buf);
3909 } else if (get_param_value(buf, sizeof(buf), "connect", p) > 0) {
3910 ret = net_socket_connect_init(vlan, buf);
3911 } else if (get_param_value(buf, sizeof(buf), "mcast", p) > 0) {
3912 ret = net_socket_mcast_init(vlan, buf);
3914 fprintf(stderr, "Unknown socket options: %s\n", p);
3919 fprintf(stderr, "Unknown network device: %s\n", device);
3923 fprintf(stderr, "Could not initialize device '%s'\n", device);
3929 void do_info_network(void)
3932 VLANClientState *vc;
3934 for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) {
3935 term_printf("VLAN %d devices:\n", vlan->id);
3936 for(vc = vlan->first_client; vc != NULL; vc = vc->next)
3937 term_printf(" %s\n", vc->info_str);
3941 /***********************************************************/
3944 static USBPort *used_usb_ports;
3945 static USBPort *free_usb_ports;
3947 /* ??? Maybe change this to register a hub to keep track of the topology. */
3948 void qemu_register_usb_port(USBPort *port, void *opaque, int index,
3949 usb_attachfn attach)
3951 port->opaque = opaque;
3952 port->index = index;
3953 port->attach = attach;
3954 port->next = free_usb_ports;
3955 free_usb_ports = port;
3958 static int usb_device_add(const char *devname)
3964 if (!free_usb_ports)
3967 if (strstart(devname, "host:", &p)) {
3968 dev = usb_host_device_open(p);
3969 } else if (!strcmp(devname, "mouse")) {
3970 dev = usb_mouse_init();
3971 } else if (!strcmp(devname, "tablet")) {
3972 dev = usb_tablet_init();
3973 } else if (strstart(devname, "disk:", &p)) {
3974 dev = usb_msd_init(p);
3981 /* Find a USB port to add the device to. */
3982 port = free_usb_ports;
3986 /* Create a new hub and chain it on. */
3987 free_usb_ports = NULL;
3988 port->next = used_usb_ports;
3989 used_usb_ports = port;
3991 hub = usb_hub_init(VM_USB_HUB_SIZE);
3992 usb_attach(port, hub);
3993 port = free_usb_ports;
3996 free_usb_ports = port->next;
3997 port->next = used_usb_ports;
3998 used_usb_ports = port;
3999 usb_attach(port, dev);
4003 static int usb_device_del(const char *devname)
4011 if (!used_usb_ports)
4014 p = strchr(devname, '.');
4017 bus_num = strtoul(devname, NULL, 0);
4018 addr = strtoul(p + 1, NULL, 0);
4022 lastp = &used_usb_ports;
4023 port = used_usb_ports;
4024 while (port && port->dev->addr != addr) {
4025 lastp = &port->next;
4033 *lastp = port->next;
4034 usb_attach(port, NULL);
4035 dev->handle_destroy(dev);
4036 port->next = free_usb_ports;
4037 free_usb_ports = port;
4041 void do_usb_add(const char *devname)
4044 ret = usb_device_add(devname);
4046 term_printf("Could not add USB device '%s'\n", devname);
4049 void do_usb_del(const char *devname)
4052 ret = usb_device_del(devname);
4054 term_printf("Could not remove USB device '%s'\n", devname);
4061 const char *speed_str;
4064 term_printf("USB support not enabled\n");
4068 for (port = used_usb_ports; port; port = port->next) {
4072 switch(dev->speed) {
4076 case USB_SPEED_FULL:
4079 case USB_SPEED_HIGH:
4086 term_printf(" Device %d.%d, Speed %s Mb/s, Product %s\n",
4087 0, dev->addr, speed_str, dev->devname);
4091 /***********************************************************/
4094 static char *pid_filename;
4096 /* Remove PID file. Called on normal exit */
4098 static void remove_pidfile(void)
4100 unlink (pid_filename);
4103 static void create_pidfile(const char *filename)
4105 struct stat pidstat;
4108 /* Try to write our PID to the named file */
4109 if (stat(filename, &pidstat) < 0) {
4110 if (errno == ENOENT) {
4111 if ((f = fopen (filename, "w")) == NULL) {
4112 perror("Opening pidfile");
4115 fprintf(f, "%d\n", getpid());
4117 pid_filename = qemu_strdup(filename);
4118 if (!pid_filename) {
4119 fprintf(stderr, "Could not save PID filename");
4122 atexit(remove_pidfile);
4125 fprintf(stderr, "%s already exists. Remove it and try again.\n",
4131 /***********************************************************/
4134 static void dumb_update(DisplayState *ds, int x, int y, int w, int h)
4138 static void dumb_resize(DisplayState *ds, int w, int h)
4142 static void dumb_refresh(DisplayState *ds)
4147 void dumb_display_init(DisplayState *ds)
4152 ds->dpy_update = dumb_update;
4153 ds->dpy_resize = dumb_resize;
4154 ds->dpy_refresh = dumb_refresh;
4157 /***********************************************************/
4160 #define MAX_IO_HANDLERS 64
4162 typedef struct IOHandlerRecord {
4164 IOCanRWHandler *fd_read_poll;
4166 IOHandler *fd_write;
4168 /* temporary data */
4170 struct IOHandlerRecord *next;
4173 static IOHandlerRecord *first_io_handler;
4175 /* XXX: fd_read_poll should be suppressed, but an API change is
4176 necessary in the character devices to suppress fd_can_read(). */
4177 int qemu_set_fd_handler2(int fd,
4178 IOCanRWHandler *fd_read_poll,
4180 IOHandler *fd_write,
4183 IOHandlerRecord **pioh, *ioh;
4185 if (!fd_read && !fd_write) {
4186 pioh = &first_io_handler;
4191 if (ioh->fd == fd) {
4199 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
4203 ioh = qemu_mallocz(sizeof(IOHandlerRecord));
4206 ioh->next = first_io_handler;
4207 first_io_handler = ioh;
4210 ioh->fd_read_poll = fd_read_poll;
4211 ioh->fd_read = fd_read;
4212 ioh->fd_write = fd_write;
4213 ioh->opaque = opaque;
4218 int qemu_set_fd_handler(int fd,
4220 IOHandler *fd_write,
4223 return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque);
4226 /***********************************************************/
4227 /* Polling handling */
4229 typedef struct PollingEntry {
4232 struct PollingEntry *next;
4235 static PollingEntry *first_polling_entry;
4237 int qemu_add_polling_cb(PollingFunc *func, void *opaque)
4239 PollingEntry **ppe, *pe;
4240 pe = qemu_mallocz(sizeof(PollingEntry));
4244 pe->opaque = opaque;
4245 for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next);
4250 void qemu_del_polling_cb(PollingFunc *func, void *opaque)
4252 PollingEntry **ppe, *pe;
4253 for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) {
4255 if (pe->func == func && pe->opaque == opaque) {
4264 /***********************************************************/
4265 /* Wait objects support */
4266 typedef struct WaitObjects {
4268 HANDLE events[MAXIMUM_WAIT_OBJECTS + 1];
4269 WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1];
4270 void *opaque[MAXIMUM_WAIT_OBJECTS + 1];
4273 static WaitObjects wait_objects = {0};
4275 int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
4277 WaitObjects *w = &wait_objects;
4279 if (w->num >= MAXIMUM_WAIT_OBJECTS)
4281 w->events[w->num] = handle;
4282 w->func[w->num] = func;
4283 w->opaque[w->num] = opaque;
4288 void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
4291 WaitObjects *w = &wait_objects;
4294 for (i = 0; i < w->num; i++) {
4295 if (w->events[i] == handle)
4298 w->events[i] = w->events[i + 1];
4299 w->func[i] = w->func[i + 1];
4300 w->opaque[i] = w->opaque[i + 1];
4308 /***********************************************************/
4309 /* savevm/loadvm support */
4311 #define IO_BUF_SIZE 32768
4315 BlockDriverState *bs;
4318 int64_t base_offset;
4319 int64_t buf_offset; /* start of buffer when writing, end of buffer
4322 int buf_size; /* 0 when writing */
4323 uint8_t buf[IO_BUF_SIZE];
4326 QEMUFile *qemu_fopen(const char *filename, const char *mode)
4330 f = qemu_mallocz(sizeof(QEMUFile));
4333 if (!strcmp(mode, "wb")) {
4335 } else if (!strcmp(mode, "rb")) {
4340 f->outfile = fopen(filename, mode);
4352 QEMUFile *qemu_fopen_bdrv(BlockDriverState *bs, int64_t offset, int is_writable)
4356 f = qemu_mallocz(sizeof(QEMUFile));
4361 f->is_writable = is_writable;
4362 f->base_offset = offset;
4366 void qemu_fflush(QEMUFile *f)
4368 if (!f->is_writable)
4370 if (f->buf_index > 0) {
4372 fseek(f->outfile, f->buf_offset, SEEK_SET);
4373 fwrite(f->buf, 1, f->buf_index, f->outfile);
4375 bdrv_pwrite(f->bs, f->base_offset + f->buf_offset,
4376 f->buf, f->buf_index);
4378 f->buf_offset += f->buf_index;
4383 static void qemu_fill_buffer(QEMUFile *f)
4390 fseek(f->outfile, f->buf_offset, SEEK_SET);
4391 len = fread(f->buf, 1, IO_BUF_SIZE, f->outfile);
4395 len = bdrv_pread(f->bs, f->base_offset + f->buf_offset,
4396 f->buf, IO_BUF_SIZE);
4402 f->buf_offset += len;
4405 void qemu_fclose(QEMUFile *f)
4415 void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size)
4419 l = IO_BUF_SIZE - f->buf_index;
4422 memcpy(f->buf + f->buf_index, buf, l);
4426 if (f->buf_index >= IO_BUF_SIZE)
4431 void qemu_put_byte(QEMUFile *f, int v)
4433 f->buf[f->buf_index++] = v;
4434 if (f->buf_index >= IO_BUF_SIZE)
4438 int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size1)
4444 l = f->buf_size - f->buf_index;
4446 qemu_fill_buffer(f);
4447 l = f->buf_size - f->buf_index;
4453 memcpy(buf, f->buf + f->buf_index, l);
4458 return size1 - size;
4461 int qemu_get_byte(QEMUFile *f)
4463 if (f->buf_index >= f->buf_size) {
4464 qemu_fill_buffer(f);
4465 if (f->buf_index >= f->buf_size)
4468 return f->buf[f->buf_index++];
4471 int64_t qemu_ftell(QEMUFile *f)
4473 return f->buf_offset - f->buf_size + f->buf_index;
4476 int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence)
4478 if (whence == SEEK_SET) {
4480 } else if (whence == SEEK_CUR) {
4481 pos += qemu_ftell(f);
4483 /* SEEK_END not supported */
4486 if (f->is_writable) {
4488 f->buf_offset = pos;
4490 f->buf_offset = pos;
4497 void qemu_put_be16(QEMUFile *f, unsigned int v)
4499 qemu_put_byte(f, v >> 8);
4500 qemu_put_byte(f, v);
4503 void qemu_put_be32(QEMUFile *f, unsigned int v)
4505 qemu_put_byte(f, v >> 24);
4506 qemu_put_byte(f, v >> 16);
4507 qemu_put_byte(f, v >> 8);
4508 qemu_put_byte(f, v);
4511 void qemu_put_be64(QEMUFile *f, uint64_t v)
4513 qemu_put_be32(f, v >> 32);
4514 qemu_put_be32(f, v);
4517 unsigned int qemu_get_be16(QEMUFile *f)
4520 v = qemu_get_byte(f) << 8;
4521 v |= qemu_get_byte(f);
4525 unsigned int qemu_get_be32(QEMUFile *f)
4528 v = qemu_get_byte(f) << 24;
4529 v |= qemu_get_byte(f) << 16;
4530 v |= qemu_get_byte(f) << 8;
4531 v |= qemu_get_byte(f);
4535 uint64_t qemu_get_be64(QEMUFile *f)
4538 v = (uint64_t)qemu_get_be32(f) << 32;
4539 v |= qemu_get_be32(f);
4543 typedef struct SaveStateEntry {
4547 SaveStateHandler *save_state;
4548 LoadStateHandler *load_state;
4550 struct SaveStateEntry *next;
4553 static SaveStateEntry *first_se;
4555 int register_savevm(const char *idstr,
4558 SaveStateHandler *save_state,
4559 LoadStateHandler *load_state,
4562 SaveStateEntry *se, **pse;
4564 se = qemu_malloc(sizeof(SaveStateEntry));
4567 pstrcpy(se->idstr, sizeof(se->idstr), idstr);
4568 se->instance_id = instance_id;
4569 se->version_id = version_id;
4570 se->save_state = save_state;
4571 se->load_state = load_state;
4572 se->opaque = opaque;
4575 /* add at the end of list */
4577 while (*pse != NULL)
4578 pse = &(*pse)->next;
4583 #define QEMU_VM_FILE_MAGIC 0x5145564d
4584 #define QEMU_VM_FILE_VERSION 0x00000002
4586 int qemu_savevm_state(QEMUFile *f)
4590 int64_t cur_pos, len_pos, total_len_pos;
4592 qemu_put_be32(f, QEMU_VM_FILE_MAGIC);
4593 qemu_put_be32(f, QEMU_VM_FILE_VERSION);
4594 total_len_pos = qemu_ftell(f);
4595 qemu_put_be64(f, 0); /* total size */
4597 for(se = first_se; se != NULL; se = se->next) {
4599 len = strlen(se->idstr);
4600 qemu_put_byte(f, len);
4601 qemu_put_buffer(f, se->idstr, len);
4603 qemu_put_be32(f, se->instance_id);
4604 qemu_put_be32(f, se->version_id);
4606 /* record size: filled later */
4607 len_pos = qemu_ftell(f);
4608 qemu_put_be32(f, 0);
4610 se->save_state(f, se->opaque);
4612 /* fill record size */
4613 cur_pos = qemu_ftell(f);
4614 len = cur_pos - len_pos - 4;
4615 qemu_fseek(f, len_pos, SEEK_SET);
4616 qemu_put_be32(f, len);
4617 qemu_fseek(f, cur_pos, SEEK_SET);
4619 cur_pos = qemu_ftell(f);
4620 qemu_fseek(f, total_len_pos, SEEK_SET);
4621 qemu_put_be64(f, cur_pos - total_len_pos - 8);
4622 qemu_fseek(f, cur_pos, SEEK_SET);
4628 static SaveStateEntry *find_se(const char *idstr, int instance_id)
4632 for(se = first_se; se != NULL; se = se->next) {
4633 if (!strcmp(se->idstr, idstr) &&
4634 instance_id == se->instance_id)
4640 int qemu_loadvm_state(QEMUFile *f)
4643 int len, ret, instance_id, record_len, version_id;
4644 int64_t total_len, end_pos, cur_pos;
4648 v = qemu_get_be32(f);
4649 if (v != QEMU_VM_FILE_MAGIC)
4651 v = qemu_get_be32(f);
4652 if (v != QEMU_VM_FILE_VERSION) {
4657 total_len = qemu_get_be64(f);
4658 end_pos = total_len + qemu_ftell(f);
4660 if (qemu_ftell(f) >= end_pos)
4662 len = qemu_get_byte(f);
4663 qemu_get_buffer(f, idstr, len);
4665 instance_id = qemu_get_be32(f);
4666 version_id = qemu_get_be32(f);
4667 record_len = qemu_get_be32(f);
4669 printf("idstr=%s instance=0x%x version=%d len=%d\n",
4670 idstr, instance_id, version_id, record_len);
4672 cur_pos = qemu_ftell(f);
4673 se = find_se(idstr, instance_id);
4675 fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n",
4676 instance_id, idstr);
4678 ret = se->load_state(f, se->opaque, version_id);
4680 fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n",
4681 instance_id, idstr);
4684 /* always seek to exact end of record */
4685 qemu_fseek(f, cur_pos + record_len, SEEK_SET);
4692 /* device can contain snapshots */
4693 static int bdrv_can_snapshot(BlockDriverState *bs)
4696 !bdrv_is_removable(bs) &&
4697 !bdrv_is_read_only(bs));
4700 /* device must be snapshots in order to have a reliable snapshot */
4701 static int bdrv_has_snapshot(BlockDriverState *bs)
4704 !bdrv_is_removable(bs) &&
4705 !bdrv_is_read_only(bs));
4708 static BlockDriverState *get_bs_snapshots(void)
4710 BlockDriverState *bs;
4714 return bs_snapshots;
4715 for(i = 0; i <= MAX_DISKS; i++) {
4717 if (bdrv_can_snapshot(bs))
4726 static int bdrv_snapshot_find(BlockDriverState *bs, QEMUSnapshotInfo *sn_info,
4729 QEMUSnapshotInfo *sn_tab, *sn;
4733 nb_sns = bdrv_snapshot_list(bs, &sn_tab);
4736 for(i = 0; i < nb_sns; i++) {
4738 if (!strcmp(sn->id_str, name) || !strcmp(sn->name, name)) {
4748 void do_savevm(const char *name)
4750 BlockDriverState *bs, *bs1;
4751 QEMUSnapshotInfo sn1, *sn = &sn1, old_sn1, *old_sn = &old_sn1;
4752 int must_delete, ret, i;
4753 BlockDriverInfo bdi1, *bdi = &bdi1;
4755 int saved_vm_running;
4762 bs = get_bs_snapshots();
4764 term_printf("No block device can accept snapshots\n");
4768 /* ??? Should this occur after vm_stop? */
4771 saved_vm_running = vm_running;
4776 ret = bdrv_snapshot_find(bs, old_sn, name);
4781 memset(sn, 0, sizeof(*sn));
4783 pstrcpy(sn->name, sizeof(sn->name), old_sn->name);
4784 pstrcpy(sn->id_str, sizeof(sn->id_str), old_sn->id_str);
4787 pstrcpy(sn->name, sizeof(sn->name), name);
4790 /* fill auxiliary fields */
4793 sn->date_sec = tb.time;
4794 sn->date_nsec = tb.millitm * 1000000;
4796 gettimeofday(&tv, NULL);
4797 sn->date_sec = tv.tv_sec;
4798 sn->date_nsec = tv.tv_usec * 1000;
4800 sn->vm_clock_nsec = qemu_get_clock(vm_clock);
4802 if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) {
4803 term_printf("Device %s does not support VM state snapshots\n",
4804 bdrv_get_device_name(bs));
4808 /* save the VM state */
4809 f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 1);
4811 term_printf("Could not open VM state file\n");
4814 ret = qemu_savevm_state(f);
4815 sn->vm_state_size = qemu_ftell(f);
4818 term_printf("Error %d while writing VM\n", ret);
4822 /* create the snapshots */
4824 for(i = 0; i < MAX_DISKS; i++) {
4826 if (bdrv_has_snapshot(bs1)) {
4828 ret = bdrv_snapshot_delete(bs1, old_sn->id_str);
4830 term_printf("Error while deleting snapshot on '%s'\n",
4831 bdrv_get_device_name(bs1));
4834 ret = bdrv_snapshot_create(bs1, sn);
4836 term_printf("Error while creating snapshot on '%s'\n",
4837 bdrv_get_device_name(bs1));
4843 if (saved_vm_running)
4847 void do_loadvm(const char *name)
4849 BlockDriverState *bs, *bs1;
4850 BlockDriverInfo bdi1, *bdi = &bdi1;
4853 int saved_vm_running;
4855 bs = get_bs_snapshots();
4857 term_printf("No block device supports snapshots\n");
4861 /* Flush all IO requests so they don't interfere with the new state. */
4864 saved_vm_running = vm_running;
4867 for(i = 0; i <= MAX_DISKS; i++) {
4869 if (bdrv_has_snapshot(bs1)) {
4870 ret = bdrv_snapshot_goto(bs1, name);
4873 term_printf("Warning: ");
4876 term_printf("Snapshots not supported on device '%s'\n",
4877 bdrv_get_device_name(bs1));
4880 term_printf("Could not find snapshot '%s' on device '%s'\n",
4881 name, bdrv_get_device_name(bs1));
4884 term_printf("Error %d while activating snapshot on '%s'\n",
4885 ret, bdrv_get_device_name(bs1));
4888 /* fatal on snapshot block device */
4895 if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) {
4896 term_printf("Device %s does not support VM state snapshots\n",
4897 bdrv_get_device_name(bs));
4901 /* restore the VM state */
4902 f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 0);
4904 term_printf("Could not open VM state file\n");
4907 ret = qemu_loadvm_state(f);
4910 term_printf("Error %d while loading VM state\n", ret);
4913 if (saved_vm_running)
4917 void do_delvm(const char *name)
4919 BlockDriverState *bs, *bs1;
4922 bs = get_bs_snapshots();
4924 term_printf("No block device supports snapshots\n");
4928 for(i = 0; i <= MAX_DISKS; i++) {
4930 if (bdrv_has_snapshot(bs1)) {
4931 ret = bdrv_snapshot_delete(bs1, name);
4933 if (ret == -ENOTSUP)
4934 term_printf("Snapshots not supported on device '%s'\n",
4935 bdrv_get_device_name(bs1));
4937 term_printf("Error %d while deleting snapshot on '%s'\n",
4938 ret, bdrv_get_device_name(bs1));
4944 void do_info_snapshots(void)
4946 BlockDriverState *bs, *bs1;
4947 QEMUSnapshotInfo *sn_tab, *sn;
4951 bs = get_bs_snapshots();
4953 term_printf("No available block device supports snapshots\n");
4956 term_printf("Snapshot devices:");
4957 for(i = 0; i <= MAX_DISKS; i++) {
4959 if (bdrv_has_snapshot(bs1)) {
4961 term_printf(" %s", bdrv_get_device_name(bs1));
4966 nb_sns = bdrv_snapshot_list(bs, &sn_tab);
4968 term_printf("bdrv_snapshot_list: error %d\n", nb_sns);
4971 term_printf("Snapshot list (from %s):\n", bdrv_get_device_name(bs));
4972 term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), NULL));
4973 for(i = 0; i < nb_sns; i++) {
4975 term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), sn));
4980 /***********************************************************/
4981 /* cpu save/restore */
4983 #if defined(TARGET_I386)
4985 static void cpu_put_seg(QEMUFile *f, SegmentCache *dt)
4987 qemu_put_be32(f, dt->selector);
4988 qemu_put_betl(f, dt->base);
4989 qemu_put_be32(f, dt->limit);
4990 qemu_put_be32(f, dt->flags);
4993 static void cpu_get_seg(QEMUFile *f, SegmentCache *dt)
4995 dt->selector = qemu_get_be32(f);
4996 dt->base = qemu_get_betl(f);
4997 dt->limit = qemu_get_be32(f);
4998 dt->flags = qemu_get_be32(f);
5001 void cpu_save(QEMUFile *f, void *opaque)
5003 CPUState *env = opaque;
5004 uint16_t fptag, fpus, fpuc, fpregs_format;
5008 for(i = 0; i < CPU_NB_REGS; i++)
5009 qemu_put_betls(f, &env->regs[i]);
5010 qemu_put_betls(f, &env->eip);
5011 qemu_put_betls(f, &env->eflags);
5012 hflags = env->hflags; /* XXX: suppress most of the redundant hflags */
5013 qemu_put_be32s(f, &hflags);
5017 fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11;
5019 for(i = 0; i < 8; i++) {
5020 fptag |= ((!env->fptags[i]) << i);
5023 qemu_put_be16s(f, &fpuc);
5024 qemu_put_be16s(f, &fpus);
5025 qemu_put_be16s(f, &fptag);
5027 #ifdef USE_X86LDOUBLE
5032 qemu_put_be16s(f, &fpregs_format);
5034 for(i = 0; i < 8; i++) {
5035 #ifdef USE_X86LDOUBLE
5039 /* we save the real CPU data (in case of MMX usage only 'mant'
5040 contains the MMX register */
5041 cpu_get_fp80(&mant, &exp, env->fpregs[i].d);
5042 qemu_put_be64(f, mant);
5043 qemu_put_be16(f, exp);
5046 /* if we use doubles for float emulation, we save the doubles to
5047 avoid losing information in case of MMX usage. It can give
5048 problems if the image is restored on a CPU where long
5049 doubles are used instead. */
5050 qemu_put_be64(f, env->fpregs[i].mmx.MMX_Q(0));
5054 for(i = 0; i < 6; i++)
5055 cpu_put_seg(f, &env->segs[i]);
5056 cpu_put_seg(f, &env->ldt);
5057 cpu_put_seg(f, &env->tr);
5058 cpu_put_seg(f, &env->gdt);
5059 cpu_put_seg(f, &env->idt);
5061 qemu_put_be32s(f, &env->sysenter_cs);
5062 qemu_put_be32s(f, &env->sysenter_esp);
5063 qemu_put_be32s(f, &env->sysenter_eip);
5065 qemu_put_betls(f, &env->cr[0]);
5066 qemu_put_betls(f, &env->cr[2]);
5067 qemu_put_betls(f, &env->cr[3]);
5068 qemu_put_betls(f, &env->cr[4]);
5070 for(i = 0; i < 8; i++)
5071 qemu_put_betls(f, &env->dr[i]);
5074 qemu_put_be32s(f, &env->a20_mask);
5077 qemu_put_be32s(f, &env->mxcsr);
5078 for(i = 0; i < CPU_NB_REGS; i++) {
5079 qemu_put_be64s(f, &env->xmm_regs[i].XMM_Q(0));
5080 qemu_put_be64s(f, &env->xmm_regs[i].XMM_Q(1));
5083 #ifdef TARGET_X86_64
5084 qemu_put_be64s(f, &env->efer);
5085 qemu_put_be64s(f, &env->star);
5086 qemu_put_be64s(f, &env->lstar);
5087 qemu_put_be64s(f, &env->cstar);
5088 qemu_put_be64s(f, &env->fmask);
5089 qemu_put_be64s(f, &env->kernelgsbase);
5091 qemu_put_be32s(f, &env->smbase);
5094 #ifdef USE_X86LDOUBLE
5095 /* XXX: add that in a FPU generic layer */
5096 union x86_longdouble {
5101 #define MANTD1(fp) (fp & ((1LL << 52) - 1))
5102 #define EXPBIAS1 1023
5103 #define EXPD1(fp) ((fp >> 52) & 0x7FF)
5104 #define SIGND1(fp) ((fp >> 32) & 0x80000000)
5106 static void fp64_to_fp80(union x86_longdouble *p, uint64_t temp)
5110 p->mant = (MANTD1(temp) << 11) | (1LL << 63);
5111 /* exponent + sign */
5112 e = EXPD1(temp) - EXPBIAS1 + 16383;
5113 e |= SIGND1(temp) >> 16;
5118 int cpu_load(QEMUFile *f, void *opaque, int version_id)
5120 CPUState *env = opaque;
5123 uint16_t fpus, fpuc, fptag, fpregs_format;
5125 if (version_id != 3 && version_id != 4)
5127 for(i = 0; i < CPU_NB_REGS; i++)
5128 qemu_get_betls(f, &env->regs[i]);
5129 qemu_get_betls(f, &env->eip);
5130 qemu_get_betls(f, &env->eflags);
5131 qemu_get_be32s(f, &hflags);
5133 qemu_get_be16s(f, &fpuc);
5134 qemu_get_be16s(f, &fpus);
5135 qemu_get_be16s(f, &fptag);
5136 qemu_get_be16s(f, &fpregs_format);
5138 /* NOTE: we cannot always restore the FPU state if the image come
5139 from a host with a different 'USE_X86LDOUBLE' define. We guess
5140 if we are in an MMX state to restore correctly in that case. */
5141 guess_mmx = ((fptag == 0xff) && (fpus & 0x3800) == 0);
5142 for(i = 0; i < 8; i++) {
5146 switch(fpregs_format) {
5148 mant = qemu_get_be64(f);
5149 exp = qemu_get_be16(f);
5150 #ifdef USE_X86LDOUBLE
5151 env->fpregs[i].d = cpu_set_fp80(mant, exp);
5153 /* difficult case */
5155 env->fpregs[i].mmx.MMX_Q(0) = mant;
5157 env->fpregs[i].d = cpu_set_fp80(mant, exp);
5161 mant = qemu_get_be64(f);
5162 #ifdef USE_X86LDOUBLE
5164 union x86_longdouble *p;
5165 /* difficult case */
5166 p = (void *)&env->fpregs[i];
5171 fp64_to_fp80(p, mant);
5175 env->fpregs[i].mmx.MMX_Q(0) = mant;
5184 /* XXX: restore FPU round state */
5185 env->fpstt = (fpus >> 11) & 7;
5186 env->fpus = fpus & ~0x3800;
5188 for(i = 0; i < 8; i++) {
5189 env->fptags[i] = (fptag >> i) & 1;
5192 for(i = 0; i < 6; i++)
5193 cpu_get_seg(f, &env->segs[i]);
5194 cpu_get_seg(f, &env->ldt);
5195 cpu_get_seg(f, &env->tr);
5196 cpu_get_seg(f, &env->gdt);
5197 cpu_get_seg(f, &env->idt);
5199 qemu_get_be32s(f, &env->sysenter_cs);
5200 qemu_get_be32s(f, &env->sysenter_esp);
5201 qemu_get_be32s(f, &env->sysenter_eip);
5203 qemu_get_betls(f, &env->cr[0]);
5204 qemu_get_betls(f, &env->cr[2]);
5205 qemu_get_betls(f, &env->cr[3]);
5206 qemu_get_betls(f, &env->cr[4]);
5208 for(i = 0; i < 8; i++)
5209 qemu_get_betls(f, &env->dr[i]);
5212 qemu_get_be32s(f, &env->a20_mask);
5214 qemu_get_be32s(f, &env->mxcsr);
5215 for(i = 0; i < CPU_NB_REGS; i++) {
5216 qemu_get_be64s(f, &env->xmm_regs[i].XMM_Q(0));
5217 qemu_get_be64s(f, &env->xmm_regs[i].XMM_Q(1));
5220 #ifdef TARGET_X86_64
5221 qemu_get_be64s(f, &env->efer);
5222 qemu_get_be64s(f, &env->star);
5223 qemu_get_be64s(f, &env->lstar);
5224 qemu_get_be64s(f, &env->cstar);
5225 qemu_get_be64s(f, &env->fmask);
5226 qemu_get_be64s(f, &env->kernelgsbase);
5228 if (version_id >= 4)
5229 qemu_get_be32s(f, &env->smbase);
5231 /* XXX: compute hflags from scratch, except for CPL and IIF */
5232 env->hflags = hflags;
5237 #elif defined(TARGET_PPC)
5238 void cpu_save(QEMUFile *f, void *opaque)
5242 int cpu_load(QEMUFile *f, void *opaque, int version_id)
5247 #elif defined(TARGET_MIPS)
5248 void cpu_save(QEMUFile *f, void *opaque)
5252 int cpu_load(QEMUFile *f, void *opaque, int version_id)
5257 #elif defined(TARGET_SPARC)
5258 void cpu_save(QEMUFile *f, void *opaque)
5260 CPUState *env = opaque;
5264 for(i = 0; i < 8; i++)
5265 qemu_put_betls(f, &env->gregs[i]);
5266 for(i = 0; i < NWINDOWS * 16; i++)
5267 qemu_put_betls(f, &env->regbase[i]);
5270 for(i = 0; i < TARGET_FPREGS; i++) {
5276 qemu_put_be32(f, u.i);
5279 qemu_put_betls(f, &env->pc);
5280 qemu_put_betls(f, &env->npc);
5281 qemu_put_betls(f, &env->y);
5283 qemu_put_be32(f, tmp);
5284 qemu_put_betls(f, &env->fsr);
5285 qemu_put_betls(f, &env->tbr);
5286 #ifndef TARGET_SPARC64
5287 qemu_put_be32s(f, &env->wim);
5289 for(i = 0; i < 16; i++)
5290 qemu_put_be32s(f, &env->mmuregs[i]);
5294 int cpu_load(QEMUFile *f, void *opaque, int version_id)
5296 CPUState *env = opaque;
5300 for(i = 0; i < 8; i++)
5301 qemu_get_betls(f, &env->gregs[i]);
5302 for(i = 0; i < NWINDOWS * 16; i++)
5303 qemu_get_betls(f, &env->regbase[i]);
5306 for(i = 0; i < TARGET_FPREGS; i++) {
5311 u.i = qemu_get_be32(f);
5315 qemu_get_betls(f, &env->pc);
5316 qemu_get_betls(f, &env->npc);
5317 qemu_get_betls(f, &env->y);
5318 tmp = qemu_get_be32(f);
5319 env->cwp = 0; /* needed to ensure that the wrapping registers are
5320 correctly updated */
5322 qemu_get_betls(f, &env->fsr);
5323 qemu_get_betls(f, &env->tbr);
5324 #ifndef TARGET_SPARC64
5325 qemu_get_be32s(f, &env->wim);
5327 for(i = 0; i < 16; i++)
5328 qemu_get_be32s(f, &env->mmuregs[i]);
5334 #elif defined(TARGET_ARM)
5336 /* ??? Need to implement these. */
5337 void cpu_save(QEMUFile *f, void *opaque)
5341 int cpu_load(QEMUFile *f, void *opaque, int version_id)
5348 #warning No CPU save/restore functions
5352 /***********************************************************/
5353 /* ram save/restore */
5355 static int ram_get_page(QEMUFile *f, uint8_t *buf, int len)
5359 v = qemu_get_byte(f);
5362 if (qemu_get_buffer(f, buf, len) != len)
5366 v = qemu_get_byte(f);
5367 memset(buf, v, len);
5375 static int ram_load_v1(QEMUFile *f, void *opaque)
5379 if (qemu_get_be32(f) != phys_ram_size)
5381 for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) {
5382 ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE);
5389 #define BDRV_HASH_BLOCK_SIZE 1024
5390 #define IOBUF_SIZE 4096
5391 #define RAM_CBLOCK_MAGIC 0xfabe
5393 typedef struct RamCompressState {
5396 uint8_t buf[IOBUF_SIZE];
5399 static int ram_compress_open(RamCompressState *s, QEMUFile *f)
5402 memset(s, 0, sizeof(*s));
5404 ret = deflateInit2(&s->zstream, 1,
5406 9, Z_DEFAULT_STRATEGY);
5409 s->zstream.avail_out = IOBUF_SIZE;
5410 s->zstream.next_out = s->buf;
5414 static void ram_put_cblock(RamCompressState *s, const uint8_t *buf, int len)
5416 qemu_put_be16(s->f, RAM_CBLOCK_MAGIC);
5417 qemu_put_be16(s->f, len);
5418 qemu_put_buffer(s->f, buf, len);
5421 static int ram_compress_buf(RamCompressState *s, const uint8_t *buf, int len)
5425 s->zstream.avail_in = len;
5426 s->zstream.next_in = (uint8_t *)buf;
5427 while (s->zstream.avail_in > 0) {
5428 ret = deflate(&s->zstream, Z_NO_FLUSH);
5431 if (s->zstream.avail_out == 0) {
5432 ram_put_cblock(s, s->buf, IOBUF_SIZE);
5433 s->zstream.avail_out = IOBUF_SIZE;
5434 s->zstream.next_out = s->buf;
5440 static void ram_compress_close(RamCompressState *s)
5444 /* compress last bytes */
5446 ret = deflate(&s->zstream, Z_FINISH);
5447 if (ret == Z_OK || ret == Z_STREAM_END) {
5448 len = IOBUF_SIZE - s->zstream.avail_out;
5450 ram_put_cblock(s, s->buf, len);
5452 s->zstream.avail_out = IOBUF_SIZE;
5453 s->zstream.next_out = s->buf;
5454 if (ret == Z_STREAM_END)
5461 deflateEnd(&s->zstream);
5464 typedef struct RamDecompressState {
5467 uint8_t buf[IOBUF_SIZE];
5468 } RamDecompressState;
5470 static int ram_decompress_open(RamDecompressState *s, QEMUFile *f)
5473 memset(s, 0, sizeof(*s));
5475 ret = inflateInit(&s->zstream);
5481 static int ram_decompress_buf(RamDecompressState *s, uint8_t *buf, int len)
5485 s->zstream.avail_out = len;
5486 s->zstream.next_out = buf;
5487 while (s->zstream.avail_out > 0) {
5488 if (s->zstream.avail_in == 0) {
5489 if (qemu_get_be16(s->f) != RAM_CBLOCK_MAGIC)
5491 clen = qemu_get_be16(s->f);
5492 if (clen > IOBUF_SIZE)
5494 qemu_get_buffer(s->f, s->buf, clen);
5495 s->zstream.avail_in = clen;
5496 s->zstream.next_in = s->buf;
5498 ret = inflate(&s->zstream, Z_PARTIAL_FLUSH);
5499 if (ret != Z_OK && ret != Z_STREAM_END) {
5506 static void ram_decompress_close(RamDecompressState *s)
5508 inflateEnd(&s->zstream);
5511 static void ram_save(QEMUFile *f, void *opaque)
5514 RamCompressState s1, *s = &s1;
5517 qemu_put_be32(f, phys_ram_size);
5518 if (ram_compress_open(s, f) < 0)
5520 for(i = 0; i < phys_ram_size; i+= BDRV_HASH_BLOCK_SIZE) {
5522 if (tight_savevm_enabled) {
5526 /* find if the memory block is available on a virtual
5529 for(j = 0; j < MAX_DISKS; j++) {
5531 sector_num = bdrv_hash_find(bs_table[j],
5532 phys_ram_base + i, BDRV_HASH_BLOCK_SIZE);
5533 if (sector_num >= 0)
5538 goto normal_compress;
5541 cpu_to_be64wu((uint64_t *)(buf + 2), sector_num);
5542 ram_compress_buf(s, buf, 10);
5548 ram_compress_buf(s, buf, 1);
5549 ram_compress_buf(s, phys_ram_base + i, BDRV_HASH_BLOCK_SIZE);
5552 ram_compress_close(s);
5555 static int ram_load(QEMUFile *f, void *opaque, int version_id)
5557 RamDecompressState s1, *s = &s1;
5561 if (version_id == 1)
5562 return ram_load_v1(f, opaque);
5563 if (version_id != 2)
5565 if (qemu_get_be32(f) != phys_ram_size)
5567 if (ram_decompress_open(s, f) < 0)
5569 for(i = 0; i < phys_ram_size; i+= BDRV_HASH_BLOCK_SIZE) {
5570 if (ram_decompress_buf(s, buf, 1) < 0) {
5571 fprintf(stderr, "Error while reading ram block header\n");
5575 if (ram_decompress_buf(s, phys_ram_base + i, BDRV_HASH_BLOCK_SIZE) < 0) {
5576 fprintf(stderr, "Error while reading ram block address=0x%08x", i);
5585 ram_decompress_buf(s, buf + 1, 9);
5587 sector_num = be64_to_cpupu((const uint64_t *)(buf + 2));
5588 if (bs_index >= MAX_DISKS || bs_table[bs_index] == NULL) {
5589 fprintf(stderr, "Invalid block device index %d\n", bs_index);
5592 if (bdrv_read(bs_table[bs_index], sector_num, phys_ram_base + i,
5593 BDRV_HASH_BLOCK_SIZE / 512) < 0) {
5594 fprintf(stderr, "Error while reading sector %d:%" PRId64 "\n",
5595 bs_index, sector_num);
5602 printf("Error block header\n");
5606 ram_decompress_close(s);
5610 /***********************************************************/
5611 /* bottom halves (can be seen as timers which expire ASAP) */
5620 static QEMUBH *first_bh = NULL;
5622 QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque)
5625 bh = qemu_mallocz(sizeof(QEMUBH));
5629 bh->opaque = opaque;
5633 int qemu_bh_poll(void)
5652 void qemu_bh_schedule(QEMUBH *bh)
5654 CPUState *env = cpu_single_env;
5658 bh->next = first_bh;
5661 /* stop the currently executing CPU to execute the BH ASAP */
5663 cpu_interrupt(env, CPU_INTERRUPT_EXIT);
5667 void qemu_bh_cancel(QEMUBH *bh)
5670 if (bh->scheduled) {
5673 pbh = &(*pbh)->next;
5679 void qemu_bh_delete(QEMUBH *bh)
5685 /***********************************************************/
5686 /* machine registration */
5688 QEMUMachine *first_machine = NULL;
5690 int qemu_register_machine(QEMUMachine *m)
5693 pm = &first_machine;
5701 QEMUMachine *find_machine(const char *name)
5705 for(m = first_machine; m != NULL; m = m->next) {
5706 if (!strcmp(m->name, name))
5712 /***********************************************************/
5713 /* main execution loop */
5715 void gui_update(void *opaque)
5717 display_state.dpy_refresh(&display_state);
5718 qemu_mod_timer(gui_timer, GUI_REFRESH_INTERVAL + qemu_get_clock(rt_clock));
5721 struct vm_change_state_entry {
5722 VMChangeStateHandler *cb;
5724 LIST_ENTRY (vm_change_state_entry) entries;
5727 static LIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
5729 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
5732 VMChangeStateEntry *e;
5734 e = qemu_mallocz(sizeof (*e));
5740 LIST_INSERT_HEAD(&vm_change_state_head, e, entries);
5744 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
5746 LIST_REMOVE (e, entries);
5750 static void vm_state_notify(int running)
5752 VMChangeStateEntry *e;
5754 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
5755 e->cb(e->opaque, running);
5759 /* XXX: support several handlers */
5760 static VMStopHandler *vm_stop_cb;
5761 static void *vm_stop_opaque;
5763 int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque)
5766 vm_stop_opaque = opaque;
5770 void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque)
5784 void vm_stop(int reason)
5787 cpu_disable_ticks();
5791 vm_stop_cb(vm_stop_opaque, reason);
5798 /* reset/shutdown handler */
5800 typedef struct QEMUResetEntry {
5801 QEMUResetHandler *func;
5803 struct QEMUResetEntry *next;
5806 static QEMUResetEntry *first_reset_entry;
5807 static int reset_requested;
5808 static int shutdown_requested;
5809 static int powerdown_requested;
5811 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
5813 QEMUResetEntry **pre, *re;
5815 pre = &first_reset_entry;
5816 while (*pre != NULL)
5817 pre = &(*pre)->next;
5818 re = qemu_mallocz(sizeof(QEMUResetEntry));
5820 re->opaque = opaque;
5825 static void qemu_system_reset(void)
5829 /* reset all devices */
5830 for(re = first_reset_entry; re != NULL; re = re->next) {
5831 re->func(re->opaque);
5835 void qemu_system_reset_request(void)
5838 shutdown_requested = 1;
5840 reset_requested = 1;
5843 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
5846 void qemu_system_shutdown_request(void)
5848 shutdown_requested = 1;
5850 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
5853 void qemu_system_powerdown_request(void)
5855 powerdown_requested = 1;
5857 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
5860 void main_loop_wait(int timeout)
5862 IOHandlerRecord *ioh, *ioh_next;
5863 fd_set rfds, wfds, xfds;
5869 /* XXX: need to suppress polling by better using win32 events */
5871 for(pe = first_polling_entry; pe != NULL; pe = pe->next) {
5872 ret |= pe->func(pe->opaque);
5875 if (ret == 0 && timeout > 0) {
5877 WaitObjects *w = &wait_objects;
5879 ret = WaitForMultipleObjects(w->num, w->events, FALSE, timeout);
5880 if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) {
5881 if (w->func[ret - WAIT_OBJECT_0])
5882 w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]);
5883 } else if (ret == WAIT_TIMEOUT) {
5885 err = GetLastError();
5886 fprintf(stderr, "Wait error %d %d\n", ret, err);
5890 /* poll any events */
5891 /* XXX: separate device handlers from system ones */
5896 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
5898 (!ioh->fd_read_poll ||
5899 ioh->fd_read_poll(ioh->opaque) != 0)) {
5900 FD_SET(ioh->fd, &rfds);
5904 if (ioh->fd_write) {
5905 FD_SET(ioh->fd, &wfds);
5915 tv.tv_usec = timeout * 1000;
5917 #if defined(CONFIG_SLIRP)
5919 slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
5922 ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
5924 /* XXX: better handling of removal */
5925 for(ioh = first_io_handler; ioh != NULL; ioh = ioh_next) {
5926 ioh_next = ioh->next;
5927 if (FD_ISSET(ioh->fd, &rfds)) {
5928 ioh->fd_read(ioh->opaque);
5930 if (FD_ISSET(ioh->fd, &wfds)) {
5931 ioh->fd_write(ioh->opaque);
5935 #if defined(CONFIG_SLIRP)
5942 slirp_select_poll(&rfds, &wfds, &xfds);
5949 qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL],
5950 qemu_get_clock(vm_clock));
5951 /* run dma transfers, if any */
5955 /* real time timers */
5956 qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME],
5957 qemu_get_clock(rt_clock));
5960 static CPUState *cur_cpu;
5965 #ifdef CONFIG_PROFILER
5970 cur_cpu = first_cpu;
5977 env = env->next_cpu;
5980 #ifdef CONFIG_PROFILER
5981 ti = profile_getclock();
5983 ret = cpu_exec(env);
5984 #ifdef CONFIG_PROFILER
5985 qemu_time += profile_getclock() - ti;
5987 if (ret != EXCP_HALTED)
5989 /* all CPUs are halted ? */
5990 if (env == cur_cpu) {
5997 if (shutdown_requested) {
5998 ret = EXCP_INTERRUPT;
6001 if (reset_requested) {
6002 reset_requested = 0;
6003 qemu_system_reset();
6004 ret = EXCP_INTERRUPT;
6006 if (powerdown_requested) {
6007 powerdown_requested = 0;
6008 qemu_system_powerdown();
6009 ret = EXCP_INTERRUPT;
6011 if (ret == EXCP_DEBUG) {
6012 vm_stop(EXCP_DEBUG);
6014 /* if hlt instruction, we wait until the next IRQ */
6015 /* XXX: use timeout computed from timers */
6016 if (ret == EXCP_HLT)
6023 #ifdef CONFIG_PROFILER
6024 ti = profile_getclock();
6026 main_loop_wait(timeout);
6027 #ifdef CONFIG_PROFILER
6028 dev_time += profile_getclock() - ti;
6031 cpu_disable_ticks();
6037 printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2006 Fabrice Bellard\n"
6038 "usage: %s [options] [disk_image]\n"
6040 "'disk_image' is a raw hard image image for IDE hard disk 0\n"
6042 "Standard options:\n"
6043 "-M machine select emulated machine (-M ? for list)\n"
6044 "-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
6045 "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
6046 "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
6047 "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
6048 "-boot [a|c|d|n] boot on floppy (a), hard disk (c), CD-ROM (d), or network (n)\n"
6049 "-snapshot write to temporary files instead of disk image files\n"
6051 "-no-quit disable SDL window close capability\n"
6054 "-no-fd-bootchk disable boot signature checking for floppy disks\n"
6056 "-m megs set virtual RAM size to megs MB [default=%d]\n"
6057 "-smp n set the number of CPUs to 'n' [default=1]\n"
6058 "-nographic disable graphical output and redirect serial I/Os to console\n"
6060 "-k language use keyboard layout (for example \"fr\" for French)\n"
6063 "-audio-help print list of audio drivers and their options\n"
6064 "-soundhw c1,... enable audio support\n"
6065 " and only specified sound cards (comma separated list)\n"
6066 " use -soundhw ? to get the list of supported cards\n"
6067 " use -soundhw all to enable all of them\n"
6069 "-localtime set the real time clock to local time [default=utc]\n"
6070 "-full-screen start in full screen\n"
6072 "-win2k-hack use it when installing Windows 2000 to avoid a disk full bug\n"
6074 "-usb enable the USB driver (will be the default soon)\n"
6075 "-usbdevice name add the host or guest USB device 'name'\n"
6076 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
6077 "-g WxH[xDEPTH] Set the initial graphical resolution and depth\n"
6080 "Network options:\n"
6081 "-net nic[,vlan=n][,macaddr=addr][,model=type]\n"
6082 " create a new Network Interface Card and connect it to VLAN 'n'\n"
6084 "-net user[,vlan=n][,hostname=host]\n"
6085 " connect the user mode network stack to VLAN 'n' and send\n"
6086 " hostname 'host' to DHCP clients\n"
6089 "-net tap[,vlan=n],ifname=name\n"
6090 " connect the host TAP network interface to VLAN 'n'\n"
6092 "-net tap[,vlan=n][,fd=h][,ifname=name][,script=file]\n"
6093 " connect the host TAP network interface to VLAN 'n' and use\n"
6094 " the network script 'file' (default=%s);\n"
6095 " use 'fd=h' to connect to an already opened TAP interface\n"
6097 "-net socket[,vlan=n][,fd=h][,listen=[host]:port][,connect=host:port]\n"
6098 " connect the vlan 'n' to another VLAN using a socket connection\n"
6099 "-net socket[,vlan=n][,fd=h][,mcast=maddr:port]\n"
6100 " connect the vlan 'n' to multicast maddr and port\n"
6101 "-net none use it alone to have zero network devices; if no -net option\n"
6102 " is provided, the default is '-net nic -net user'\n"
6105 "-tftp prefix allow tftp access to files starting with prefix [-net user]\n"
6107 "-smb dir allow SMB access to files in 'dir' [-net user]\n"
6109 "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
6110 " redirect TCP or UDP connections from host to guest [-net user]\n"
6113 "Linux boot specific:\n"
6114 "-kernel bzImage use 'bzImage' as kernel image\n"
6115 "-append cmdline use 'cmdline' as kernel command line\n"
6116 "-initrd file use 'file' as initial ram disk\n"
6118 "Debug/Expert options:\n"
6119 "-monitor dev redirect the monitor to char device 'dev'\n"
6120 "-serial dev redirect the serial port to char device 'dev'\n"
6121 "-parallel dev redirect the parallel port to char device 'dev'\n"
6122 "-pidfile file Write PID to 'file'\n"
6123 "-S freeze CPU at startup (use 'c' to start execution)\n"
6124 "-s wait gdb connection to port %d\n"
6125 "-p port change gdb connection port\n"
6126 "-d item1,... output log to %s (use -d ? for a list of log items)\n"
6127 "-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n"
6128 " translation (t=none or lba) (usually qemu can guess them)\n"
6129 "-L path set the directory for the BIOS, VGA BIOS and keymaps\n"
6131 "-kernel-kqemu enable KQEMU full virtualization (default is user mode only)\n"
6132 "-no-kqemu disable KQEMU kernel module usage\n"
6134 #ifdef USE_CODE_COPY
6135 "-no-code-copy disable code copy acceleration\n"
6138 "-std-vga simulate a standard VGA card with VESA Bochs Extensions\n"
6139 " (default is CL-GD5446 PCI VGA)\n"
6140 "-no-acpi disable ACPI\n"
6142 "-no-reboot exit instead of rebooting\n"
6143 "-loadvm file start right away with a saved state (loadvm in monitor)\n"
6144 "-vnc display start a VNC server on display\n"
6146 "-daemonize daemonize QEMU after initializing\n"
6148 "-option-rom rom load a file, rom, into the option ROM space\n"
6150 "During emulation, the following keys are useful:\n"
6151 "ctrl-alt-f toggle full screen\n"
6152 "ctrl-alt-n switch to virtual console 'n'\n"
6153 "ctrl-alt toggle mouse and keyboard grab\n"
6155 "When using -nographic, press 'ctrl-a h' to get some help.\n"
6160 DEFAULT_NETWORK_SCRIPT,
6162 DEFAULT_GDBSTUB_PORT,
6167 #define HAS_ARG 0x0001
6181 QEMU_OPTION_snapshot,
6183 QEMU_OPTION_no_fd_bootchk,
6186 QEMU_OPTION_nographic,
6188 QEMU_OPTION_audio_help,
6189 QEMU_OPTION_soundhw,
6207 QEMU_OPTION_no_code_copy,
6209 QEMU_OPTION_localtime,
6210 QEMU_OPTION_cirrusvga,
6212 QEMU_OPTION_std_vga,
6213 QEMU_OPTION_monitor,
6215 QEMU_OPTION_parallel,
6217 QEMU_OPTION_full_screen,
6218 QEMU_OPTION_no_quit,
6219 QEMU_OPTION_pidfile,
6220 QEMU_OPTION_no_kqemu,
6221 QEMU_OPTION_kernel_kqemu,
6222 QEMU_OPTION_win2k_hack,
6224 QEMU_OPTION_usbdevice,
6227 QEMU_OPTION_no_acpi,
6228 QEMU_OPTION_no_reboot,
6229 QEMU_OPTION_daemonize,
6230 QEMU_OPTION_option_rom,
6231 QEMU_OPTION_semihosting
6234 typedef struct QEMUOption {
6240 const QEMUOption qemu_options[] = {
6241 { "h", 0, QEMU_OPTION_h },
6243 { "M", HAS_ARG, QEMU_OPTION_M },
6244 { "fda", HAS_ARG, QEMU_OPTION_fda },
6245 { "fdb", HAS_ARG, QEMU_OPTION_fdb },
6246 { "hda", HAS_ARG, QEMU_OPTION_hda },
6247 { "hdb", HAS_ARG, QEMU_OPTION_hdb },
6248 { "hdc", HAS_ARG, QEMU_OPTION_hdc },
6249 { "hdd", HAS_ARG, QEMU_OPTION_hdd },
6250 { "cdrom", HAS_ARG, QEMU_OPTION_cdrom },
6251 { "boot", HAS_ARG, QEMU_OPTION_boot },
6252 { "snapshot", 0, QEMU_OPTION_snapshot },
6254 { "no-fd-bootchk", 0, QEMU_OPTION_no_fd_bootchk },
6256 { "m", HAS_ARG, QEMU_OPTION_m },
6257 { "nographic", 0, QEMU_OPTION_nographic },
6258 { "k", HAS_ARG, QEMU_OPTION_k },
6260 { "audio-help", 0, QEMU_OPTION_audio_help },
6261 { "soundhw", HAS_ARG, QEMU_OPTION_soundhw },
6264 { "net", HAS_ARG, QEMU_OPTION_net},
6266 { "tftp", HAS_ARG, QEMU_OPTION_tftp },
6268 { "smb", HAS_ARG, QEMU_OPTION_smb },
6270 { "redir", HAS_ARG, QEMU_OPTION_redir },
6273 { "kernel", HAS_ARG, QEMU_OPTION_kernel },
6274 { "append", HAS_ARG, QEMU_OPTION_append },
6275 { "initrd", HAS_ARG, QEMU_OPTION_initrd },
6277 { "S", 0, QEMU_OPTION_S },
6278 { "s", 0, QEMU_OPTION_s },
6279 { "p", HAS_ARG, QEMU_OPTION_p },
6280 { "d", HAS_ARG, QEMU_OPTION_d },
6281 { "hdachs", HAS_ARG, QEMU_OPTION_hdachs },
6282 { "L", HAS_ARG, QEMU_OPTION_L },
6283 { "no-code-copy", 0, QEMU_OPTION_no_code_copy },
6285 { "no-kqemu", 0, QEMU_OPTION_no_kqemu },
6286 { "kernel-kqemu", 0, QEMU_OPTION_kernel_kqemu },
6288 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
6289 { "g", 1, QEMU_OPTION_g },
6291 { "localtime", 0, QEMU_OPTION_localtime },
6292 { "std-vga", 0, QEMU_OPTION_std_vga },
6293 { "monitor", 1, QEMU_OPTION_monitor },
6294 { "serial", 1, QEMU_OPTION_serial },
6295 { "parallel", 1, QEMU_OPTION_parallel },
6296 { "loadvm", HAS_ARG, QEMU_OPTION_loadvm },
6297 { "full-screen", 0, QEMU_OPTION_full_screen },
6299 { "no-quit", 0, QEMU_OPTION_no_quit },
6301 { "pidfile", HAS_ARG, QEMU_OPTION_pidfile },
6302 { "win2k-hack", 0, QEMU_OPTION_win2k_hack },
6303 { "usbdevice", HAS_ARG, QEMU_OPTION_usbdevice },
6304 { "smp", HAS_ARG, QEMU_OPTION_smp },
6305 { "vnc", HAS_ARG, QEMU_OPTION_vnc },
6307 /* temporary options */
6308 { "usb", 0, QEMU_OPTION_usb },
6309 { "cirrusvga", 0, QEMU_OPTION_cirrusvga },
6310 { "no-acpi", 0, QEMU_OPTION_no_acpi },
6311 { "no-reboot", 0, QEMU_OPTION_no_reboot },
6312 { "daemonize", 0, QEMU_OPTION_daemonize },
6313 { "option-rom", HAS_ARG, QEMU_OPTION_option_rom },
6314 #if defined(TARGET_ARM)
6315 { "semihosting", 0, QEMU_OPTION_semihosting },
6320 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
6322 /* this stack is only used during signal handling */
6323 #define SIGNAL_STACK_SIZE 32768
6325 static uint8_t *signal_stack;
6329 /* password input */
6331 static BlockDriverState *get_bdrv(int index)
6333 BlockDriverState *bs;
6336 bs = bs_table[index];
6337 } else if (index < 6) {
6338 bs = fd_table[index - 4];
6345 static void read_passwords(void)
6347 BlockDriverState *bs;
6351 for(i = 0; i < 6; i++) {
6353 if (bs && bdrv_is_encrypted(bs)) {
6354 term_printf("%s is encrypted.\n", bdrv_get_device_name(bs));
6355 for(j = 0; j < 3; j++) {
6356 monitor_readline("Password: ",
6357 1, password, sizeof(password));
6358 if (bdrv_set_key(bs, password) == 0)
6360 term_printf("invalid password\n");
6366 /* XXX: currently we cannot use simultaneously different CPUs */
6367 void register_machines(void)
6369 #if defined(TARGET_I386)
6370 qemu_register_machine(&pc_machine);
6371 qemu_register_machine(&isapc_machine);
6372 #elif defined(TARGET_PPC)
6373 qemu_register_machine(&heathrow_machine);
6374 qemu_register_machine(&core99_machine);
6375 qemu_register_machine(&prep_machine);
6376 #elif defined(TARGET_MIPS)
6377 qemu_register_machine(&mips_machine);
6378 qemu_register_machine(&mips_malta_machine);
6379 #elif defined(TARGET_SPARC)
6380 #ifdef TARGET_SPARC64
6381 qemu_register_machine(&sun4u_machine);
6383 qemu_register_machine(&sun4m_machine);
6385 #elif defined(TARGET_ARM)
6386 qemu_register_machine(&integratorcp926_machine);
6387 qemu_register_machine(&integratorcp1026_machine);
6388 qemu_register_machine(&versatilepb_machine);
6389 qemu_register_machine(&versatileab_machine);
6390 qemu_register_machine(&realview_machine);
6391 #elif defined(TARGET_SH4)
6392 qemu_register_machine(&shix_machine);
6394 #error unsupported CPU
6399 struct soundhw soundhw[] = {
6406 { .init_isa = pcspk_audio_init }
6411 "Creative Sound Blaster 16",
6414 { .init_isa = SB16_init }
6421 "Yamaha YMF262 (OPL3)",
6423 "Yamaha YM3812 (OPL2)",
6427 { .init_isa = Adlib_init }
6434 "Gravis Ultrasound GF1",
6437 { .init_isa = GUS_init }
6443 "ENSONIQ AudioPCI ES1370",
6446 { .init_pci = es1370_init }
6449 { NULL, NULL, 0, 0, { NULL } }
6452 static void select_soundhw (const char *optarg)
6456 if (*optarg == '?') {
6459 printf ("Valid sound card names (comma separated):\n");
6460 for (c = soundhw; c->name; ++c) {
6461 printf ("%-11s %s\n", c->name, c->descr);
6463 printf ("\n-soundhw all will enable all of the above\n");
6464 exit (*optarg != '?');
6472 if (!strcmp (optarg, "all")) {
6473 for (c = soundhw; c->name; ++c) {
6481 e = strchr (p, ',');
6482 l = !e ? strlen (p) : (size_t) (e - p);
6484 for (c = soundhw; c->name; ++c) {
6485 if (!strncmp (c->name, p, l)) {
6494 "Unknown sound card name (too big to show)\n");
6497 fprintf (stderr, "Unknown sound card name `%.*s'\n",
6502 p += l + (e != NULL);
6506 goto show_valid_cards;
6512 static BOOL WINAPI qemu_ctrl_handler(DWORD type)
6514 exit(STATUS_CONTROL_C_EXIT);
6519 #define MAX_NET_CLIENTS 32
6521 int main(int argc, char **argv)
6523 #ifdef CONFIG_GDBSTUB
6524 int use_gdbstub, gdbstub_port;
6527 int snapshot, linux_boot;
6528 const char *initrd_filename;
6529 const char *hd_filename[MAX_DISKS], *fd_filename[MAX_FD];
6530 const char *kernel_filename, *kernel_cmdline;
6531 DisplayState *ds = &display_state;
6532 int cyls, heads, secs, translation;
6533 int start_emulation = 1;
6534 char net_clients[MAX_NET_CLIENTS][256];
6537 const char *r, *optarg;
6538 CharDriverState *monitor_hd;
6539 char monitor_device[128];
6540 char serial_devices[MAX_SERIAL_PORTS][128];
6541 int serial_device_index;
6542 char parallel_devices[MAX_PARALLEL_PORTS][128];
6543 int parallel_device_index;
6544 const char *loadvm = NULL;
6545 QEMUMachine *machine;
6546 char usb_devices[MAX_USB_CMDLINE][128];
6547 int usb_devices_index;
6550 LIST_INIT (&vm_change_state_head);
6553 struct sigaction act;
6554 sigfillset(&act.sa_mask);
6556 act.sa_handler = SIG_IGN;
6557 sigaction(SIGPIPE, &act, NULL);
6560 SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE);
6561 /* Note: cpu_interrupt() is currently not SMP safe, so we force
6562 QEMU to run on a single CPU */
6567 h = GetCurrentProcess();
6568 if (GetProcessAffinityMask(h, &mask, &smask)) {
6569 for(i = 0; i < 32; i++) {
6570 if (mask & (1 << i))
6575 SetProcessAffinityMask(h, mask);
6581 register_machines();
6582 machine = first_machine;
6583 initrd_filename = NULL;
6584 for(i = 0; i < MAX_FD; i++)
6585 fd_filename[i] = NULL;
6586 for(i = 0; i < MAX_DISKS; i++)
6587 hd_filename[i] = NULL;
6588 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
6589 vga_ram_size = VGA_RAM_SIZE;
6590 bios_size = BIOS_SIZE;
6591 #ifdef CONFIG_GDBSTUB
6593 gdbstub_port = DEFAULT_GDBSTUB_PORT;
6597 kernel_filename = NULL;
6598 kernel_cmdline = "";
6604 cyls = heads = secs = 0;
6605 translation = BIOS_ATA_TRANSLATION_AUTO;
6606 pstrcpy(monitor_device, sizeof(monitor_device), "vc");
6608 pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "vc");
6609 for(i = 1; i < MAX_SERIAL_PORTS; i++)
6610 serial_devices[i][0] = '\0';
6611 serial_device_index = 0;
6613 pstrcpy(parallel_devices[0], sizeof(parallel_devices[0]), "vc");
6614 for(i = 1; i < MAX_PARALLEL_PORTS; i++)
6615 parallel_devices[i][0] = '\0';
6616 parallel_device_index = 0;
6618 usb_devices_index = 0;
6623 /* default mac address of the first network interface */
6631 hd_filename[0] = argv[optind++];
6633 const QEMUOption *popt;
6636 popt = qemu_options;
6639 fprintf(stderr, "%s: invalid option -- '%s'\n",
6643 if (!strcmp(popt->name, r + 1))
6647 if (popt->flags & HAS_ARG) {
6648 if (optind >= argc) {
6649 fprintf(stderr, "%s: option '%s' requires an argument\n",
6653 optarg = argv[optind++];
6658 switch(popt->index) {
6660 machine = find_machine(optarg);
6663 printf("Supported machines are:\n");
6664 for(m = first_machine; m != NULL; m = m->next) {
6665 printf("%-10s %s%s\n",
6667 m == first_machine ? " (default)" : "");
6672 case QEMU_OPTION_initrd:
6673 initrd_filename = optarg;
6675 case QEMU_OPTION_hda:
6676 case QEMU_OPTION_hdb:
6677 case QEMU_OPTION_hdc:
6678 case QEMU_OPTION_hdd:
6681 hd_index = popt->index - QEMU_OPTION_hda;
6682 hd_filename[hd_index] = optarg;
6683 if (hd_index == cdrom_index)
6687 case QEMU_OPTION_snapshot:
6690 case QEMU_OPTION_hdachs:
6694 cyls = strtol(p, (char **)&p, 0);
6695 if (cyls < 1 || cyls > 16383)
6700 heads = strtol(p, (char **)&p, 0);
6701 if (heads < 1 || heads > 16)
6706 secs = strtol(p, (char **)&p, 0);
6707 if (secs < 1 || secs > 63)
6711 if (!strcmp(p, "none"))
6712 translation = BIOS_ATA_TRANSLATION_NONE;
6713 else if (!strcmp(p, "lba"))
6714 translation = BIOS_ATA_TRANSLATION_LBA;
6715 else if (!strcmp(p, "auto"))
6716 translation = BIOS_ATA_TRANSLATION_AUTO;
6719 } else if (*p != '\0') {
6721 fprintf(stderr, "qemu: invalid physical CHS format\n");
6726 case QEMU_OPTION_nographic:
6727 pstrcpy(monitor_device, sizeof(monitor_device), "stdio");
6728 pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "stdio");
6731 case QEMU_OPTION_kernel:
6732 kernel_filename = optarg;
6734 case QEMU_OPTION_append:
6735 kernel_cmdline = optarg;
6737 case QEMU_OPTION_cdrom:
6738 if (cdrom_index >= 0) {
6739 hd_filename[cdrom_index] = optarg;
6742 case QEMU_OPTION_boot:
6743 boot_device = optarg[0];
6744 if (boot_device != 'a' &&
6745 #if defined(TARGET_SPARC) || defined(TARGET_I386)
6747 boot_device != 'n' &&
6749 boot_device != 'c' && boot_device != 'd') {
6750 fprintf(stderr, "qemu: invalid boot device '%c'\n", boot_device);
6754 case QEMU_OPTION_fda:
6755 fd_filename[0] = optarg;
6757 case QEMU_OPTION_fdb:
6758 fd_filename[1] = optarg;
6761 case QEMU_OPTION_no_fd_bootchk:
6765 case QEMU_OPTION_no_code_copy:
6766 code_copy_enabled = 0;
6768 case QEMU_OPTION_net:
6769 if (nb_net_clients >= MAX_NET_CLIENTS) {
6770 fprintf(stderr, "qemu: too many network clients\n");
6773 pstrcpy(net_clients[nb_net_clients],
6774 sizeof(net_clients[0]),
6779 case QEMU_OPTION_tftp:
6780 tftp_prefix = optarg;
6783 case QEMU_OPTION_smb:
6784 net_slirp_smb(optarg);
6787 case QEMU_OPTION_redir:
6788 net_slirp_redir(optarg);
6792 case QEMU_OPTION_audio_help:
6796 case QEMU_OPTION_soundhw:
6797 select_soundhw (optarg);
6804 ram_size = atoi(optarg) * 1024 * 1024;
6807 if (ram_size > PHYS_RAM_MAX_SIZE) {
6808 fprintf(stderr, "qemu: at most %d MB RAM can be simulated\n",
6809 PHYS_RAM_MAX_SIZE / (1024 * 1024));
6818 mask = cpu_str_to_log_mask(optarg);
6820 printf("Log items (comma separated):\n");
6821 for(item = cpu_log_items; item->mask != 0; item++) {
6822 printf("%-10s %s\n", item->name, item->help);
6829 #ifdef CONFIG_GDBSTUB
6834 gdbstub_port = atoi(optarg);
6841 start_emulation = 0;
6844 keyboard_layout = optarg;
6846 case QEMU_OPTION_localtime:
6849 case QEMU_OPTION_cirrusvga:
6850 cirrus_vga_enabled = 1;
6852 case QEMU_OPTION_std_vga:
6853 cirrus_vga_enabled = 0;
6860 w = strtol(p, (char **)&p, 10);
6863 fprintf(stderr, "qemu: invalid resolution or depth\n");
6869 h = strtol(p, (char **)&p, 10);
6874 depth = strtol(p, (char **)&p, 10);
6875 if (depth != 8 && depth != 15 && depth != 16 &&
6876 depth != 24 && depth != 32)
6878 } else if (*p == '\0') {
6879 depth = graphic_depth;
6886 graphic_depth = depth;
6889 case QEMU_OPTION_monitor:
6890 pstrcpy(monitor_device, sizeof(monitor_device), optarg);
6892 case QEMU_OPTION_serial:
6893 if (serial_device_index >= MAX_SERIAL_PORTS) {
6894 fprintf(stderr, "qemu: too many serial ports\n");
6897 pstrcpy(serial_devices[serial_device_index],
6898 sizeof(serial_devices[0]), optarg);
6899 serial_device_index++;
6901 case QEMU_OPTION_parallel:
6902 if (parallel_device_index >= MAX_PARALLEL_PORTS) {
6903 fprintf(stderr, "qemu: too many parallel ports\n");
6906 pstrcpy(parallel_devices[parallel_device_index],
6907 sizeof(parallel_devices[0]), optarg);
6908 parallel_device_index++;
6910 case QEMU_OPTION_loadvm:
6913 case QEMU_OPTION_full_screen:
6917 case QEMU_OPTION_no_quit:
6921 case QEMU_OPTION_pidfile:
6922 create_pidfile(optarg);
6925 case QEMU_OPTION_win2k_hack:
6926 win2k_install_hack = 1;
6930 case QEMU_OPTION_no_kqemu:
6933 case QEMU_OPTION_kernel_kqemu:
6937 case QEMU_OPTION_usb:
6940 case QEMU_OPTION_usbdevice:
6942 if (usb_devices_index >= MAX_USB_CMDLINE) {
6943 fprintf(stderr, "Too many USB devices\n");
6946 pstrcpy(usb_devices[usb_devices_index],
6947 sizeof(usb_devices[usb_devices_index]),
6949 usb_devices_index++;
6951 case QEMU_OPTION_smp:
6952 smp_cpus = atoi(optarg);
6953 if (smp_cpus < 1 || smp_cpus > MAX_CPUS) {
6954 fprintf(stderr, "Invalid number of CPUs\n");
6958 case QEMU_OPTION_vnc:
6959 vnc_display = optarg;
6961 case QEMU_OPTION_no_acpi:
6964 case QEMU_OPTION_no_reboot:
6967 case QEMU_OPTION_daemonize:
6970 case QEMU_OPTION_option_rom:
6971 if (nb_option_roms >= MAX_OPTION_ROMS) {
6972 fprintf(stderr, "Too many option ROMs\n");
6975 option_rom[nb_option_roms] = optarg;
6978 case QEMU_OPTION_semihosting:
6979 semihosting_enabled = 1;
6986 if (daemonize && !nographic && vnc_display == NULL) {
6987 fprintf(stderr, "Can only daemonize if using -nographic or -vnc\n");
6994 if (pipe(fds) == -1)
7005 len = read(fds[0], &status, 1);
7006 if (len == -1 && (errno == EINTR))
7009 if (len != 1 || status != 0)
7027 signal(SIGTSTP, SIG_IGN);
7028 signal(SIGTTOU, SIG_IGN);
7029 signal(SIGTTIN, SIG_IGN);
7037 linux_boot = (kernel_filename != NULL);
7040 hd_filename[0] == '\0' &&
7041 (cdrom_index >= 0 && hd_filename[cdrom_index] == '\0') &&
7042 fd_filename[0] == '\0')
7045 /* boot to floppy or the default cd if no hard disk defined yet */
7046 if (hd_filename[0] == '\0' && boot_device == 'c') {
7047 if (fd_filename[0] != '\0')
7053 setvbuf(stdout, NULL, _IOLBF, 0);
7063 /* init network clients */
7064 if (nb_net_clients == 0) {
7065 /* if no clients, we use a default config */
7066 pstrcpy(net_clients[0], sizeof(net_clients[0]),
7068 pstrcpy(net_clients[1], sizeof(net_clients[0]),
7073 for(i = 0;i < nb_net_clients; i++) {
7074 if (net_client_init(net_clients[i]) < 0)
7079 if (boot_device == 'n') {
7080 for (i = 0; i < nb_nics; i++) {
7081 const char *model = nd_table[i].model;
7085 snprintf(buf, sizeof(buf), "%s/pxe-%s.bin", bios_dir, model);
7086 if (get_image_size(buf) > 0) {
7087 option_rom[nb_option_roms] = strdup(buf);
7093 fprintf(stderr, "No valid PXE rom found for network device\n");
7096 boot_device = 'c'; /* to prevent confusion by the BIOS */
7100 /* init the memory */
7101 phys_ram_size = ram_size + vga_ram_size + bios_size;
7103 for (i = 0; i < nb_option_roms; i++) {
7104 int ret = get_image_size(option_rom[i]);
7106 fprintf(stderr, "Could not load option rom '%s'\n", option_rom[i]);
7109 phys_ram_size += ret;
7112 phys_ram_base = qemu_vmalloc(phys_ram_size);
7113 if (!phys_ram_base) {
7114 fprintf(stderr, "Could not allocate physical memory\n");
7118 /* we always create the cdrom drive, even if no disk is there */
7120 if (cdrom_index >= 0) {
7121 bs_table[cdrom_index] = bdrv_new("cdrom");
7122 bdrv_set_type_hint(bs_table[cdrom_index], BDRV_TYPE_CDROM);
7125 /* open the virtual block devices */
7126 for(i = 0; i < MAX_DISKS; i++) {
7127 if (hd_filename[i]) {
7130 snprintf(buf, sizeof(buf), "hd%c", i + 'a');
7131 bs_table[i] = bdrv_new(buf);
7133 if (bdrv_open(bs_table[i], hd_filename[i], snapshot ? BDRV_O_SNAPSHOT : 0) < 0) {
7134 fprintf(stderr, "qemu: could not open hard disk image '%s'\n",
7138 if (i == 0 && cyls != 0) {
7139 bdrv_set_geometry_hint(bs_table[i], cyls, heads, secs);
7140 bdrv_set_translation_hint(bs_table[i], translation);
7145 /* we always create at least one floppy disk */
7146 fd_table[0] = bdrv_new("fda");
7147 bdrv_set_type_hint(fd_table[0], BDRV_TYPE_FLOPPY);
7149 for(i = 0; i < MAX_FD; i++) {
7150 if (fd_filename[i]) {
7153 snprintf(buf, sizeof(buf), "fd%c", i + 'a');
7154 fd_table[i] = bdrv_new(buf);
7155 bdrv_set_type_hint(fd_table[i], BDRV_TYPE_FLOPPY);
7157 if (fd_filename[i] != '\0') {
7158 if (bdrv_open(fd_table[i], fd_filename[i],
7159 snapshot ? BDRV_O_SNAPSHOT : 0) < 0) {
7160 fprintf(stderr, "qemu: could not open floppy disk image '%s'\n",
7168 register_savevm("timer", 0, 2, timer_save, timer_load, NULL);
7169 register_savevm("ram", 0, 2, ram_save, ram_load, NULL);
7175 dumb_display_init(ds);
7176 } else if (vnc_display != NULL) {
7177 vnc_display_init(ds, vnc_display);
7179 #if defined(CONFIG_SDL)
7180 sdl_display_init(ds, full_screen);
7181 #elif defined(CONFIG_COCOA)
7182 cocoa_display_init(ds, full_screen);
7184 dumb_display_init(ds);
7188 monitor_hd = qemu_chr_open(monitor_device);
7190 fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device);
7193 monitor_init(monitor_hd, !nographic);
7195 for(i = 0; i < MAX_SERIAL_PORTS; i++) {
7196 const char *devname = serial_devices[i];
7197 if (devname[0] != '\0' && strcmp(devname, "none")) {
7198 serial_hds[i] = qemu_chr_open(devname);
7199 if (!serial_hds[i]) {
7200 fprintf(stderr, "qemu: could not open serial device '%s'\n",
7204 if (!strcmp(devname, "vc"))
7205 qemu_chr_printf(serial_hds[i], "serial%d console\r\n", i);
7209 for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
7210 const char *devname = parallel_devices[i];
7211 if (devname[0] != '\0' && strcmp(devname, "none")) {
7212 parallel_hds[i] = qemu_chr_open(devname);
7213 if (!parallel_hds[i]) {
7214 fprintf(stderr, "qemu: could not open parallel device '%s'\n",
7218 if (!strcmp(devname, "vc"))
7219 qemu_chr_printf(parallel_hds[i], "parallel%d console\r\n", i);
7223 machine->init(ram_size, vga_ram_size, boot_device,
7224 ds, fd_filename, snapshot,
7225 kernel_filename, kernel_cmdline, initrd_filename);
7227 /* init USB devices */
7229 for(i = 0; i < usb_devices_index; i++) {
7230 if (usb_device_add(usb_devices[i]) < 0) {
7231 fprintf(stderr, "Warning: could not add USB device %s\n",
7237 gui_timer = qemu_new_timer(rt_clock, gui_update, NULL);
7238 qemu_mod_timer(gui_timer, qemu_get_clock(rt_clock));
7240 #ifdef CONFIG_GDBSTUB
7242 if (gdbserver_start(gdbstub_port) < 0) {
7243 fprintf(stderr, "Could not open gdbserver socket on port %d\n",
7247 printf("Waiting gdb connection on port %d\n", gdbstub_port);
7255 /* XXX: simplify init */
7257 if (start_emulation) {
7268 len = write(fds[1], &status, 1);
7269 if (len == -1 && (errno == EINTR))
7275 fd = open("/dev/null", O_RDWR);