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 DEBUG_UNUSED_IOPORT
94 //#define DEBUG_IOPORT
96 #define PHYS_RAM_MAX_SIZE (2047 * 1024 * 1024)
99 #define DEFAULT_RAM_SIZE 144
101 #define DEFAULT_RAM_SIZE 128
104 #define GUI_REFRESH_INTERVAL 30
106 /* Max number of USB devices that can be specified on the commandline. */
107 #define MAX_USB_CMDLINE 8
109 /* XXX: use a two level table to limit memory usage */
110 #define MAX_IOPORTS 65536
112 const char *bios_dir = CONFIG_QEMU_SHAREDIR;
113 char phys_ram_file[1024];
114 void *ioport_opaque[MAX_IOPORTS];
115 IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS];
116 IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS];
117 /* Note: bs_table[MAX_DISKS] is a dummy block driver if none available
118 to store the VM snapshots */
119 BlockDriverState *bs_table[MAX_DISKS + 1], *fd_table[MAX_FD];
120 /* point to the block driver where the snapshots are managed */
121 BlockDriverState *bs_snapshots;
124 static DisplayState display_state;
126 const char* keyboard_layout = NULL;
127 int64_t ticks_per_sec;
128 int boot_device = 'c';
130 int pit_min_timer_count = 0;
132 NICInfo nd_table[MAX_NICS];
133 QEMUTimer *gui_timer;
136 int cirrus_vga_enabled = 1;
138 int graphic_width = 1024;
139 int graphic_height = 768;
141 int graphic_width = 800;
142 int graphic_height = 600;
144 int graphic_depth = 15;
147 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
148 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
150 int win2k_install_hack = 0;
153 static VLANState *first_vlan;
155 int vnc_display = -1;
156 #if defined(TARGET_SPARC)
158 #elif defined(TARGET_I386)
163 int acpi_enabled = 1;
167 /***********************************************************/
168 /* x86 ISA bus support */
170 target_phys_addr_t isa_mem_base = 0;
173 uint32_t default_ioport_readb(void *opaque, uint32_t address)
175 #ifdef DEBUG_UNUSED_IOPORT
176 fprintf(stderr, "inb: port=0x%04x\n", address);
181 void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data)
183 #ifdef DEBUG_UNUSED_IOPORT
184 fprintf(stderr, "outb: port=0x%04x data=0x%02x\n", address, data);
188 /* default is to make two byte accesses */
189 uint32_t default_ioport_readw(void *opaque, uint32_t address)
192 data = ioport_read_table[0][address](ioport_opaque[address], address);
193 address = (address + 1) & (MAX_IOPORTS - 1);
194 data |= ioport_read_table[0][address](ioport_opaque[address], address) << 8;
198 void default_ioport_writew(void *opaque, uint32_t address, uint32_t data)
200 ioport_write_table[0][address](ioport_opaque[address], address, data & 0xff);
201 address = (address + 1) & (MAX_IOPORTS - 1);
202 ioport_write_table[0][address](ioport_opaque[address], address, (data >> 8) & 0xff);
205 uint32_t default_ioport_readl(void *opaque, uint32_t address)
207 #ifdef DEBUG_UNUSED_IOPORT
208 fprintf(stderr, "inl: port=0x%04x\n", address);
213 void default_ioport_writel(void *opaque, uint32_t address, uint32_t data)
215 #ifdef DEBUG_UNUSED_IOPORT
216 fprintf(stderr, "outl: port=0x%04x data=0x%02x\n", address, data);
220 void init_ioports(void)
224 for(i = 0; i < MAX_IOPORTS; i++) {
225 ioport_read_table[0][i] = default_ioport_readb;
226 ioport_write_table[0][i] = default_ioport_writeb;
227 ioport_read_table[1][i] = default_ioport_readw;
228 ioport_write_table[1][i] = default_ioport_writew;
229 ioport_read_table[2][i] = default_ioport_readl;
230 ioport_write_table[2][i] = default_ioport_writel;
234 /* size is the word size in byte */
235 int register_ioport_read(int start, int length, int size,
236 IOPortReadFunc *func, void *opaque)
242 } else if (size == 2) {
244 } else if (size == 4) {
247 hw_error("register_ioport_read: invalid size");
250 for(i = start; i < start + length; i += size) {
251 ioport_read_table[bsize][i] = func;
252 if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
253 hw_error("register_ioport_read: invalid opaque");
254 ioport_opaque[i] = opaque;
259 /* size is the word size in byte */
260 int register_ioport_write(int start, int length, int size,
261 IOPortWriteFunc *func, void *opaque)
267 } else if (size == 2) {
269 } else if (size == 4) {
272 hw_error("register_ioport_write: invalid size");
275 for(i = start; i < start + length; i += size) {
276 ioport_write_table[bsize][i] = func;
277 if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
278 hw_error("register_ioport_read: invalid opaque");
279 ioport_opaque[i] = opaque;
284 void isa_unassign_ioport(int start, int length)
288 for(i = start; i < start + length; i++) {
289 ioport_read_table[0][i] = default_ioport_readb;
290 ioport_read_table[1][i] = default_ioport_readw;
291 ioport_read_table[2][i] = default_ioport_readl;
293 ioport_write_table[0][i] = default_ioport_writeb;
294 ioport_write_table[1][i] = default_ioport_writew;
295 ioport_write_table[2][i] = default_ioport_writel;
299 /***********************************************************/
301 void pstrcpy(char *buf, int buf_size, const char *str)
311 if (c == 0 || q >= buf + buf_size - 1)
318 /* strcat and truncate. */
319 char *pstrcat(char *buf, int buf_size, const char *s)
324 pstrcpy(buf + len, buf_size - len, s);
328 int strstart(const char *str, const char *val, const char **ptr)
344 void cpu_outb(CPUState *env, int addr, int val)
347 if (loglevel & CPU_LOG_IOPORT)
348 fprintf(logfile, "outb: %04x %02x\n", addr, val);
350 ioport_write_table[0][addr](ioport_opaque[addr], addr, val);
353 env->last_io_time = cpu_get_time_fast();
357 void cpu_outw(CPUState *env, int addr, int val)
360 if (loglevel & CPU_LOG_IOPORT)
361 fprintf(logfile, "outw: %04x %04x\n", addr, val);
363 ioport_write_table[1][addr](ioport_opaque[addr], addr, val);
366 env->last_io_time = cpu_get_time_fast();
370 void cpu_outl(CPUState *env, int addr, int val)
373 if (loglevel & CPU_LOG_IOPORT)
374 fprintf(logfile, "outl: %04x %08x\n", addr, val);
376 ioport_write_table[2][addr](ioport_opaque[addr], addr, val);
379 env->last_io_time = cpu_get_time_fast();
383 int cpu_inb(CPUState *env, int addr)
386 val = ioport_read_table[0][addr](ioport_opaque[addr], addr);
388 if (loglevel & CPU_LOG_IOPORT)
389 fprintf(logfile, "inb : %04x %02x\n", addr, val);
393 env->last_io_time = cpu_get_time_fast();
398 int cpu_inw(CPUState *env, int addr)
401 val = ioport_read_table[1][addr](ioport_opaque[addr], addr);
403 if (loglevel & CPU_LOG_IOPORT)
404 fprintf(logfile, "inw : %04x %04x\n", addr, val);
408 env->last_io_time = cpu_get_time_fast();
413 int cpu_inl(CPUState *env, int addr)
416 val = ioport_read_table[2][addr](ioport_opaque[addr], addr);
418 if (loglevel & CPU_LOG_IOPORT)
419 fprintf(logfile, "inl : %04x %08x\n", addr, val);
423 env->last_io_time = cpu_get_time_fast();
428 /***********************************************************/
429 void hw_error(const char *fmt, ...)
435 fprintf(stderr, "qemu: hardware error: ");
436 vfprintf(stderr, fmt, ap);
437 fprintf(stderr, "\n");
438 for(env = first_cpu; env != NULL; env = env->next_cpu) {
439 fprintf(stderr, "CPU #%d:\n", env->cpu_index);
441 cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU);
443 cpu_dump_state(env, stderr, fprintf, 0);
450 /***********************************************************/
453 static QEMUPutKBDEvent *qemu_put_kbd_event;
454 static void *qemu_put_kbd_event_opaque;
455 static QEMUPutMouseEvent *qemu_put_mouse_event;
456 static void *qemu_put_mouse_event_opaque;
457 static int qemu_put_mouse_event_absolute;
459 void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
461 qemu_put_kbd_event_opaque = opaque;
462 qemu_put_kbd_event = func;
465 void qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, void *opaque, int absolute)
467 qemu_put_mouse_event_opaque = opaque;
468 qemu_put_mouse_event = func;
469 qemu_put_mouse_event_absolute = absolute;
472 void kbd_put_keycode(int keycode)
474 if (qemu_put_kbd_event) {
475 qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode);
479 void kbd_mouse_event(int dx, int dy, int dz, int buttons_state)
481 if (qemu_put_mouse_event) {
482 qemu_put_mouse_event(qemu_put_mouse_event_opaque,
483 dx, dy, dz, buttons_state);
487 int kbd_mouse_is_absolute(void)
489 return qemu_put_mouse_event_absolute;
492 /* compute with 96 bit intermediate result: (a*b)/c */
493 uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
498 #ifdef WORDS_BIGENDIAN
508 rl = (uint64_t)u.l.low * (uint64_t)b;
509 rh = (uint64_t)u.l.high * (uint64_t)b;
512 res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
516 /***********************************************************/
517 /* real time host monotonic timer */
519 #define QEMU_TIMER_BASE 1000000000LL
523 static int64_t clock_freq;
525 static void init_get_clock(void)
529 ret = QueryPerformanceFrequency(&freq);
531 fprintf(stderr, "Could not calibrate ticks\n");
534 clock_freq = freq.QuadPart;
537 static int64_t get_clock(void)
540 QueryPerformanceCounter(&ti);
541 return muldiv64(ti.QuadPart, QEMU_TIMER_BASE, clock_freq);
546 static int use_rt_clock;
548 static void init_get_clock(void)
551 #if defined(__linux__)
554 if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) {
561 static int64_t get_clock(void)
563 #if defined(__linux__)
566 clock_gettime(CLOCK_MONOTONIC, &ts);
567 return ts.tv_sec * 1000000000LL + ts.tv_nsec;
571 /* XXX: using gettimeofday leads to problems if the date
572 changes, so it should be avoided. */
574 gettimeofday(&tv, NULL);
575 return tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000);
581 /***********************************************************/
582 /* guest cycle counter */
584 static int64_t cpu_ticks_prev;
585 static int64_t cpu_ticks_offset;
586 static int64_t cpu_clock_offset;
587 static int cpu_ticks_enabled;
589 /* return the host CPU cycle counter and handle stop/restart */
590 int64_t cpu_get_ticks(void)
592 if (!cpu_ticks_enabled) {
593 return cpu_ticks_offset;
596 ticks = cpu_get_real_ticks();
597 if (cpu_ticks_prev > ticks) {
598 /* Note: non increasing ticks may happen if the host uses
600 cpu_ticks_offset += cpu_ticks_prev - ticks;
602 cpu_ticks_prev = ticks;
603 return ticks + cpu_ticks_offset;
607 /* return the host CPU monotonic timer and handle stop/restart */
608 static int64_t cpu_get_clock(void)
611 if (!cpu_ticks_enabled) {
612 return cpu_clock_offset;
615 return ti + cpu_clock_offset;
619 /* enable cpu_get_ticks() */
620 void cpu_enable_ticks(void)
622 if (!cpu_ticks_enabled) {
623 cpu_ticks_offset -= cpu_get_real_ticks();
624 cpu_clock_offset -= get_clock();
625 cpu_ticks_enabled = 1;
629 /* disable cpu_get_ticks() : the clock is stopped. You must not call
630 cpu_get_ticks() after that. */
631 void cpu_disable_ticks(void)
633 if (cpu_ticks_enabled) {
634 cpu_ticks_offset = cpu_get_ticks();
635 cpu_clock_offset = cpu_get_clock();
636 cpu_ticks_enabled = 0;
640 /***********************************************************/
643 #define QEMU_TIMER_REALTIME 0
644 #define QEMU_TIMER_VIRTUAL 1
648 /* XXX: add frequency */
656 struct QEMUTimer *next;
662 static QEMUTimer *active_timers[2];
664 static MMRESULT timerID;
665 static HANDLE host_alarm = NULL;
666 static unsigned int period = 1;
668 /* frequency of the times() clock tick */
669 static int timer_freq;
672 QEMUClock *qemu_new_clock(int type)
675 clock = qemu_mallocz(sizeof(QEMUClock));
682 QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque)
686 ts = qemu_mallocz(sizeof(QEMUTimer));
693 void qemu_free_timer(QEMUTimer *ts)
698 /* stop a timer, but do not dealloc it */
699 void qemu_del_timer(QEMUTimer *ts)
703 /* NOTE: this code must be signal safe because
704 qemu_timer_expired() can be called from a signal. */
705 pt = &active_timers[ts->clock->type];
718 /* modify the current timer so that it will be fired when current_time
719 >= expire_time. The corresponding callback will be called. */
720 void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time)
726 /* add the timer in the sorted list */
727 /* NOTE: this code must be signal safe because
728 qemu_timer_expired() can be called from a signal. */
729 pt = &active_timers[ts->clock->type];
734 if (t->expire_time > expire_time)
738 ts->expire_time = expire_time;
743 int qemu_timer_pending(QEMUTimer *ts)
746 for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) {
753 static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time)
757 return (timer_head->expire_time <= current_time);
760 static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time)
766 if (!ts || ts->expire_time > current_time)
768 /* remove timer from the list before calling the callback */
769 *ptimer_head = ts->next;
772 /* run the callback (the timer list can be modified) */
777 int64_t qemu_get_clock(QEMUClock *clock)
779 switch(clock->type) {
780 case QEMU_TIMER_REALTIME:
781 return get_clock() / 1000000;
783 case QEMU_TIMER_VIRTUAL:
784 return cpu_get_clock();
788 static void init_timers(void)
791 ticks_per_sec = QEMU_TIMER_BASE;
792 rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME);
793 vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL);
797 void qemu_put_timer(QEMUFile *f, QEMUTimer *ts)
799 uint64_t expire_time;
801 if (qemu_timer_pending(ts)) {
802 expire_time = ts->expire_time;
806 qemu_put_be64(f, expire_time);
809 void qemu_get_timer(QEMUFile *f, QEMUTimer *ts)
811 uint64_t expire_time;
813 expire_time = qemu_get_be64(f);
814 if (expire_time != -1) {
815 qemu_mod_timer(ts, expire_time);
821 static void timer_save(QEMUFile *f, void *opaque)
823 if (cpu_ticks_enabled) {
824 hw_error("cannot save state if virtual timers are running");
826 qemu_put_be64s(f, &cpu_ticks_offset);
827 qemu_put_be64s(f, &ticks_per_sec);
828 qemu_put_be64s(f, &cpu_clock_offset);
831 static int timer_load(QEMUFile *f, void *opaque, int version_id)
833 if (version_id != 1 && version_id != 2)
835 if (cpu_ticks_enabled) {
838 qemu_get_be64s(f, &cpu_ticks_offset);
839 qemu_get_be64s(f, &ticks_per_sec);
840 if (version_id == 2) {
841 qemu_get_be64s(f, &cpu_clock_offset);
847 void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg,
848 DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2)
850 static void host_alarm_handler(int host_signum)
854 #define DISP_FREQ 1000
856 static int64_t delta_min = INT64_MAX;
857 static int64_t delta_max, delta_cum, last_clock, delta, ti;
859 ti = qemu_get_clock(vm_clock);
860 if (last_clock != 0) {
861 delta = ti - last_clock;
862 if (delta < delta_min)
864 if (delta > delta_max)
867 if (++count == DISP_FREQ) {
868 printf("timer: min=%" PRId64 " us max=%" PRId64 " us avg=%" PRId64 " us avg_freq=%0.3f Hz\n",
869 muldiv64(delta_min, 1000000, ticks_per_sec),
870 muldiv64(delta_max, 1000000, ticks_per_sec),
871 muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec),
872 (double)ticks_per_sec / ((double)delta_cum / DISP_FREQ));
874 delta_min = INT64_MAX;
882 if (qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL],
883 qemu_get_clock(vm_clock)) ||
884 qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME],
885 qemu_get_clock(rt_clock))) {
887 SetEvent(host_alarm);
889 CPUState *env = cpu_single_env;
891 /* stop the currently executing cpu because a timer occured */
892 cpu_interrupt(env, CPU_INTERRUPT_EXIT);
894 if (env->kqemu_enabled) {
895 kqemu_cpu_interrupt(env);
904 #if defined(__linux__)
906 #define RTC_FREQ 1024
910 static int start_rtc_timer(void)
912 rtc_fd = open("/dev/rtc", O_RDONLY);
915 if (ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) {
916 fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
917 "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
918 "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
921 if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) {
926 pit_min_timer_count = PIT_FREQ / RTC_FREQ;
932 static int start_rtc_timer(void)
937 #endif /* !defined(__linux__) */
939 #endif /* !defined(_WIN32) */
941 static void init_timer_alarm(void)
948 ZeroMemory(&tc, sizeof(TIMECAPS));
949 timeGetDevCaps(&tc, sizeof(TIMECAPS));
950 if (period < tc.wPeriodMin)
951 period = tc.wPeriodMin;
952 timeBeginPeriod(period);
953 timerID = timeSetEvent(1, // interval (ms)
954 period, // resolution
955 host_alarm_handler, // function
956 (DWORD)&count, // user parameter
957 TIME_PERIODIC | TIME_CALLBACK_FUNCTION);
959 perror("failed timer alarm");
962 host_alarm = CreateEvent(NULL, FALSE, FALSE, NULL);
964 perror("failed CreateEvent");
967 qemu_add_wait_object(host_alarm, NULL, NULL);
969 pit_min_timer_count = ((uint64_t)10000 * PIT_FREQ) / 1000000;
972 struct sigaction act;
973 struct itimerval itv;
975 /* get times() syscall frequency */
976 timer_freq = sysconf(_SC_CLK_TCK);
979 sigfillset(&act.sa_mask);
981 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
982 act.sa_flags |= SA_ONSTACK;
984 act.sa_handler = host_alarm_handler;
985 sigaction(SIGALRM, &act, NULL);
987 itv.it_interval.tv_sec = 0;
988 itv.it_interval.tv_usec = 999; /* for i386 kernel 2.6 to get 1 ms */
989 itv.it_value.tv_sec = 0;
990 itv.it_value.tv_usec = 10 * 1000;
991 setitimer(ITIMER_REAL, &itv, NULL);
992 /* we probe the tick duration of the kernel to inform the user if
993 the emulated kernel requested a too high timer frequency */
994 getitimer(ITIMER_REAL, &itv);
996 #if defined(__linux__)
997 /* XXX: force /dev/rtc usage because even 2.6 kernels may not
998 have timers with 1 ms resolution. The correct solution will
999 be to use the POSIX real time timers available in recent
1001 if (itv.it_interval.tv_usec > 1000 || 1) {
1002 /* try to use /dev/rtc to have a faster timer */
1003 if (start_rtc_timer() < 0)
1005 /* disable itimer */
1006 itv.it_interval.tv_sec = 0;
1007 itv.it_interval.tv_usec = 0;
1008 itv.it_value.tv_sec = 0;
1009 itv.it_value.tv_usec = 0;
1010 setitimer(ITIMER_REAL, &itv, NULL);
1013 sigaction(SIGIO, &act, NULL);
1014 fcntl(rtc_fd, F_SETFL, O_ASYNC);
1015 fcntl(rtc_fd, F_SETOWN, getpid());
1017 #endif /* defined(__linux__) */
1020 pit_min_timer_count = ((uint64_t)itv.it_interval.tv_usec *
1021 PIT_FREQ) / 1000000;
1027 void quit_timers(void)
1030 timeKillEvent(timerID);
1031 timeEndPeriod(period);
1033 CloseHandle(host_alarm);
1039 /***********************************************************/
1040 /* character device */
1042 int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len)
1044 return s->chr_write(s, buf, len);
1047 int qemu_chr_ioctl(CharDriverState *s, int cmd, void *arg)
1051 return s->chr_ioctl(s, cmd, arg);
1054 void qemu_chr_printf(CharDriverState *s, const char *fmt, ...)
1059 vsnprintf(buf, sizeof(buf), fmt, ap);
1060 qemu_chr_write(s, buf, strlen(buf));
1064 void qemu_chr_send_event(CharDriverState *s, int event)
1066 if (s->chr_send_event)
1067 s->chr_send_event(s, event);
1070 void qemu_chr_add_read_handler(CharDriverState *s,
1071 IOCanRWHandler *fd_can_read,
1072 IOReadHandler *fd_read, void *opaque)
1074 s->chr_add_read_handler(s, fd_can_read, fd_read, opaque);
1077 void qemu_chr_add_event_handler(CharDriverState *s, IOEventHandler *chr_event)
1079 s->chr_event = chr_event;
1082 static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1087 static void null_chr_add_read_handler(CharDriverState *chr,
1088 IOCanRWHandler *fd_can_read,
1089 IOReadHandler *fd_read, void *opaque)
1093 CharDriverState *qemu_chr_open_null(void)
1095 CharDriverState *chr;
1097 chr = qemu_mallocz(sizeof(CharDriverState));
1100 chr->chr_write = null_chr_write;
1101 chr->chr_add_read_handler = null_chr_add_read_handler;
1107 static void socket_cleanup(void)
1112 static int socket_init(void)
1117 ret = WSAStartup(MAKEWORD(2,2), &Data);
1119 err = WSAGetLastError();
1120 fprintf(stderr, "WSAStartup: %d\n", err);
1123 atexit(socket_cleanup);
1127 static int send_all(int fd, const uint8_t *buf, int len1)
1133 ret = send(fd, buf, len, 0);
1136 errno = WSAGetLastError();
1137 if (errno != WSAEWOULDBLOCK) {
1140 } else if (ret == 0) {
1150 void socket_set_nonblock(int fd)
1152 unsigned long opt = 1;
1153 ioctlsocket(fd, FIONBIO, &opt);
1158 static int unix_write(int fd, const uint8_t *buf, int len1)
1164 ret = write(fd, buf, len);
1166 if (errno != EINTR && errno != EAGAIN)
1168 } else if (ret == 0) {
1178 static inline int send_all(int fd, const uint8_t *buf, int len1)
1180 return unix_write(fd, buf, len1);
1183 void socket_set_nonblock(int fd)
1185 fcntl(fd, F_SETFL, O_NONBLOCK);
1187 #endif /* !_WIN32 */
1193 IOCanRWHandler *fd_can_read;
1194 IOReadHandler *fd_read;
1199 #define STDIO_MAX_CLIENTS 2
1201 static int stdio_nb_clients;
1202 static CharDriverState *stdio_clients[STDIO_MAX_CLIENTS];
1204 static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1206 FDCharDriver *s = chr->opaque;
1207 return unix_write(s->fd_out, buf, len);
1210 static int fd_chr_read_poll(void *opaque)
1212 CharDriverState *chr = opaque;
1213 FDCharDriver *s = chr->opaque;
1215 s->max_size = s->fd_can_read(s->fd_opaque);
1219 static void fd_chr_read(void *opaque)
1221 CharDriverState *chr = opaque;
1222 FDCharDriver *s = chr->opaque;
1227 if (len > s->max_size)
1231 size = read(s->fd_in, buf, len);
1233 /* FD has been closed. Remove it from the active list. */
1234 qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL);
1238 s->fd_read(s->fd_opaque, buf, size);
1242 static void fd_chr_add_read_handler(CharDriverState *chr,
1243 IOCanRWHandler *fd_can_read,
1244 IOReadHandler *fd_read, void *opaque)
1246 FDCharDriver *s = chr->opaque;
1248 if (s->fd_in >= 0) {
1249 s->fd_can_read = fd_can_read;
1250 s->fd_read = fd_read;
1251 s->fd_opaque = opaque;
1252 if (nographic && s->fd_in == 0) {
1254 qemu_set_fd_handler2(s->fd_in, fd_chr_read_poll,
1255 fd_chr_read, NULL, chr);
1260 /* open a character device to a unix fd */
1261 CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out)
1263 CharDriverState *chr;
1266 chr = qemu_mallocz(sizeof(CharDriverState));
1269 s = qemu_mallocz(sizeof(FDCharDriver));
1277 chr->chr_write = fd_chr_write;
1278 chr->chr_add_read_handler = fd_chr_add_read_handler;
1282 CharDriverState *qemu_chr_open_file_out(const char *file_out)
1286 fd_out = open(file_out, O_WRONLY | O_TRUNC | O_CREAT | O_BINARY, 0666);
1289 return qemu_chr_open_fd(-1, fd_out);
1292 CharDriverState *qemu_chr_open_pipe(const char *filename)
1296 fd = open(filename, O_RDWR | O_BINARY);
1299 return qemu_chr_open_fd(fd, fd);
1303 /* for STDIO, we handle the case where several clients use it
1306 #define TERM_ESCAPE 0x01 /* ctrl-a is used for escape */
1308 #define TERM_FIFO_MAX_SIZE 1
1310 static int term_got_escape, client_index;
1311 static uint8_t term_fifo[TERM_FIFO_MAX_SIZE];
1312 static int term_fifo_size;
1313 static int term_timestamps;
1314 static int64_t term_timestamps_start;
1316 void term_print_help(void)
1319 "C-a h print this help\n"
1320 "C-a x exit emulator\n"
1321 "C-a s save disk data back to file (if -snapshot)\n"
1322 "C-a b send break (magic sysrq)\n"
1323 "C-a t toggle console timestamps\n"
1324 "C-a c switch between console and monitor\n"
1325 "C-a C-a send C-a\n"
1329 /* called when a char is received */
1330 static void stdio_received_byte(int ch)
1332 if (term_got_escape) {
1333 term_got_escape = 0;
1344 for (i = 0; i < MAX_DISKS; i++) {
1346 bdrv_commit(bs_table[i]);
1351 if (client_index < stdio_nb_clients) {
1352 CharDriverState *chr;
1355 chr = stdio_clients[client_index];
1357 chr->chr_event(s->fd_opaque, CHR_EVENT_BREAK);
1362 if (client_index >= stdio_nb_clients)
1364 if (client_index == 0) {
1365 /* send a new line in the monitor to get the prompt */
1371 term_timestamps = !term_timestamps;
1372 term_timestamps_start = -1;
1377 } else if (ch == TERM_ESCAPE) {
1378 term_got_escape = 1;
1381 if (client_index < stdio_nb_clients) {
1383 CharDriverState *chr;
1386 chr = stdio_clients[client_index];
1388 if (s->fd_can_read(s->fd_opaque) > 0) {
1390 s->fd_read(s->fd_opaque, buf, 1);
1391 } else if (term_fifo_size == 0) {
1392 term_fifo[term_fifo_size++] = ch;
1398 static int stdio_read_poll(void *opaque)
1400 CharDriverState *chr;
1403 if (client_index < stdio_nb_clients) {
1404 chr = stdio_clients[client_index];
1406 /* try to flush the queue if needed */
1407 if (term_fifo_size != 0 && s->fd_can_read(s->fd_opaque) > 0) {
1408 s->fd_read(s->fd_opaque, term_fifo, 1);
1411 /* see if we can absorb more chars */
1412 if (term_fifo_size == 0)
1421 static void stdio_read(void *opaque)
1426 size = read(0, buf, 1);
1428 /* stdin has been closed. Remove it from the active list. */
1429 qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL);
1433 stdio_received_byte(buf[0]);
1436 static int stdio_write(CharDriverState *chr, const uint8_t *buf, int len)
1438 FDCharDriver *s = chr->opaque;
1439 if (!term_timestamps) {
1440 return unix_write(s->fd_out, buf, len);
1445 for(i = 0; i < len; i++) {
1446 unix_write(s->fd_out, buf + i, 1);
1447 if (buf[i] == '\n') {
1452 if (term_timestamps_start == -1)
1453 term_timestamps_start = ti;
1454 ti -= term_timestamps_start;
1455 secs = ti / 1000000000;
1456 snprintf(buf1, sizeof(buf1),
1457 "[%02d:%02d:%02d.%03d] ",
1461 (int)((ti / 1000000) % 1000));
1462 unix_write(s->fd_out, buf1, strlen(buf1));
1469 /* init terminal so that we can grab keys */
1470 static struct termios oldtty;
1471 static int old_fd0_flags;
1473 static void term_exit(void)
1475 tcsetattr (0, TCSANOW, &oldtty);
1476 fcntl(0, F_SETFL, old_fd0_flags);
1479 static void term_init(void)
1483 tcgetattr (0, &tty);
1485 old_fd0_flags = fcntl(0, F_GETFL);
1487 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
1488 |INLCR|IGNCR|ICRNL|IXON);
1489 tty.c_oflag |= OPOST;
1490 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
1491 /* if graphical mode, we allow Ctrl-C handling */
1493 tty.c_lflag &= ~ISIG;
1494 tty.c_cflag &= ~(CSIZE|PARENB);
1497 tty.c_cc[VTIME] = 0;
1499 tcsetattr (0, TCSANOW, &tty);
1503 fcntl(0, F_SETFL, O_NONBLOCK);
1506 CharDriverState *qemu_chr_open_stdio(void)
1508 CharDriverState *chr;
1511 if (stdio_nb_clients >= STDIO_MAX_CLIENTS)
1513 chr = qemu_chr_open_fd(0, 1);
1514 chr->chr_write = stdio_write;
1515 if (stdio_nb_clients == 0)
1516 qemu_set_fd_handler2(0, stdio_read_poll, stdio_read, NULL, NULL);
1517 client_index = stdio_nb_clients;
1519 if (stdio_nb_clients != 0)
1521 chr = qemu_chr_open_fd(0, 1);
1523 stdio_clients[stdio_nb_clients++] = chr;
1524 if (stdio_nb_clients == 1) {
1525 /* set the terminal in raw mode */
1531 #if defined(__linux__)
1532 CharDriverState *qemu_chr_open_pty(void)
1535 char slave_name[1024];
1536 int master_fd, slave_fd;
1538 /* Not satisfying */
1539 if (openpty(&master_fd, &slave_fd, slave_name, NULL, NULL) < 0) {
1543 /* Disabling local echo and line-buffered output */
1544 tcgetattr (master_fd, &tty);
1545 tty.c_lflag &= ~(ECHO|ICANON|ISIG);
1547 tty.c_cc[VTIME] = 0;
1548 tcsetattr (master_fd, TCSAFLUSH, &tty);
1550 fprintf(stderr, "char device redirected to %s\n", slave_name);
1551 return qemu_chr_open_fd(master_fd, master_fd);
1554 static void tty_serial_init(int fd, int speed,
1555 int parity, int data_bits, int stop_bits)
1561 printf("tty_serial_init: speed=%d parity=%c data=%d stop=%d\n",
1562 speed, parity, data_bits, stop_bits);
1564 tcgetattr (fd, &tty);
1606 cfsetispeed(&tty, spd);
1607 cfsetospeed(&tty, spd);
1609 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
1610 |INLCR|IGNCR|ICRNL|IXON);
1611 tty.c_oflag |= OPOST;
1612 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN|ISIG);
1613 tty.c_cflag &= ~(CSIZE|PARENB|PARODD|CRTSCTS|CSTOPB);
1634 tty.c_cflag |= PARENB;
1637 tty.c_cflag |= PARENB | PARODD;
1641 tty.c_cflag |= CSTOPB;
1643 tcsetattr (fd, TCSANOW, &tty);
1646 static int tty_serial_ioctl(CharDriverState *chr, int cmd, void *arg)
1648 FDCharDriver *s = chr->opaque;
1651 case CHR_IOCTL_SERIAL_SET_PARAMS:
1653 QEMUSerialSetParams *ssp = arg;
1654 tty_serial_init(s->fd_in, ssp->speed, ssp->parity,
1655 ssp->data_bits, ssp->stop_bits);
1658 case CHR_IOCTL_SERIAL_SET_BREAK:
1660 int enable = *(int *)arg;
1662 tcsendbreak(s->fd_in, 1);
1671 CharDriverState *qemu_chr_open_tty(const char *filename)
1673 CharDriverState *chr;
1676 fd = open(filename, O_RDWR | O_NONBLOCK);
1679 fcntl(fd, F_SETFL, O_NONBLOCK);
1680 tty_serial_init(fd, 115200, 'N', 8, 1);
1681 chr = qemu_chr_open_fd(fd, fd);
1684 chr->chr_ioctl = tty_serial_ioctl;
1688 static int pp_ioctl(CharDriverState *chr, int cmd, void *arg)
1690 int fd = (int)chr->opaque;
1694 case CHR_IOCTL_PP_READ_DATA:
1695 if (ioctl(fd, PPRDATA, &b) < 0)
1697 *(uint8_t *)arg = b;
1699 case CHR_IOCTL_PP_WRITE_DATA:
1700 b = *(uint8_t *)arg;
1701 if (ioctl(fd, PPWDATA, &b) < 0)
1704 case CHR_IOCTL_PP_READ_CONTROL:
1705 if (ioctl(fd, PPRCONTROL, &b) < 0)
1707 *(uint8_t *)arg = b;
1709 case CHR_IOCTL_PP_WRITE_CONTROL:
1710 b = *(uint8_t *)arg;
1711 if (ioctl(fd, PPWCONTROL, &b) < 0)
1714 case CHR_IOCTL_PP_READ_STATUS:
1715 if (ioctl(fd, PPRSTATUS, &b) < 0)
1717 *(uint8_t *)arg = b;
1725 CharDriverState *qemu_chr_open_pp(const char *filename)
1727 CharDriverState *chr;
1730 fd = open(filename, O_RDWR);
1734 if (ioctl(fd, PPCLAIM) < 0) {
1739 chr = qemu_mallocz(sizeof(CharDriverState));
1744 chr->opaque = (void *)fd;
1745 chr->chr_write = null_chr_write;
1746 chr->chr_add_read_handler = null_chr_add_read_handler;
1747 chr->chr_ioctl = pp_ioctl;
1752 CharDriverState *qemu_chr_open_pty(void)
1758 #endif /* !defined(_WIN32) */
1762 IOCanRWHandler *fd_can_read;
1763 IOReadHandler *fd_read;
1766 HANDLE hcom, hrecv, hsend;
1767 OVERLAPPED orecv, osend;
1772 #define NSENDBUF 2048
1773 #define NRECVBUF 2048
1774 #define MAXCONNECT 1
1775 #define NTIMEOUT 5000
1777 static int win_chr_poll(void *opaque);
1778 static int win_chr_pipe_poll(void *opaque);
1780 static void win_chr_close2(WinCharState *s)
1783 CloseHandle(s->hsend);
1787 CloseHandle(s->hrecv);
1791 CloseHandle(s->hcom);
1795 qemu_del_polling_cb(win_chr_pipe_poll, s);
1797 qemu_del_polling_cb(win_chr_poll, s);
1800 static void win_chr_close(CharDriverState *chr)
1802 WinCharState *s = chr->opaque;
1806 static int win_chr_init(WinCharState *s, const char *filename)
1809 COMMTIMEOUTS cto = { 0, 0, 0, 0, 0};
1814 s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL);
1816 fprintf(stderr, "Failed CreateEvent\n");
1819 s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL);
1821 fprintf(stderr, "Failed CreateEvent\n");
1825 s->hcom = CreateFile(filename, GENERIC_READ|GENERIC_WRITE, 0, NULL,
1826 OPEN_EXISTING, FILE_FLAG_OVERLAPPED, 0);
1827 if (s->hcom == INVALID_HANDLE_VALUE) {
1828 fprintf(stderr, "Failed CreateFile (%lu)\n", GetLastError());
1833 if (!SetupComm(s->hcom, NRECVBUF, NSENDBUF)) {
1834 fprintf(stderr, "Failed SetupComm\n");
1838 ZeroMemory(&comcfg, sizeof(COMMCONFIG));
1839 size = sizeof(COMMCONFIG);
1840 GetDefaultCommConfig(filename, &comcfg, &size);
1841 comcfg.dcb.DCBlength = sizeof(DCB);
1842 CommConfigDialog(filename, NULL, &comcfg);
1844 if (!SetCommState(s->hcom, &comcfg.dcb)) {
1845 fprintf(stderr, "Failed SetCommState\n");
1849 if (!SetCommMask(s->hcom, EV_ERR)) {
1850 fprintf(stderr, "Failed SetCommMask\n");
1854 cto.ReadIntervalTimeout = MAXDWORD;
1855 if (!SetCommTimeouts(s->hcom, &cto)) {
1856 fprintf(stderr, "Failed SetCommTimeouts\n");
1860 if (!ClearCommError(s->hcom, &err, &comstat)) {
1861 fprintf(stderr, "Failed ClearCommError\n");
1864 qemu_add_polling_cb(win_chr_poll, s);
1872 static int win_chr_write(CharDriverState *chr, const uint8_t *buf, int len1)
1874 WinCharState *s = chr->opaque;
1875 DWORD len, ret, size, err;
1878 ZeroMemory(&s->osend, sizeof(s->osend));
1879 s->osend.hEvent = s->hsend;
1882 ret = WriteFile(s->hcom, buf, len, &size, &s->osend);
1884 ret = WriteFile(s->hcom, buf, len, &size, NULL);
1886 err = GetLastError();
1887 if (err == ERROR_IO_PENDING) {
1888 ret = GetOverlappedResult(s->hcom, &s->osend, &size, TRUE);
1906 static int win_chr_read_poll(WinCharState *s)
1908 s->max_size = s->fd_can_read(s->win_opaque);
1912 static void win_chr_readfile(WinCharState *s)
1918 ZeroMemory(&s->orecv, sizeof(s->orecv));
1919 s->orecv.hEvent = s->hrecv;
1920 ret = ReadFile(s->hcom, buf, s->len, &size, &s->orecv);
1922 err = GetLastError();
1923 if (err == ERROR_IO_PENDING) {
1924 ret = GetOverlappedResult(s->hcom, &s->orecv, &size, TRUE);
1929 s->fd_read(s->win_opaque, buf, size);
1933 static void win_chr_read(WinCharState *s)
1935 if (s->len > s->max_size)
1936 s->len = s->max_size;
1940 win_chr_readfile(s);
1943 static int win_chr_poll(void *opaque)
1945 WinCharState *s = opaque;
1949 ClearCommError(s->hcom, &comerr, &status);
1950 if (status.cbInQue > 0) {
1951 s->len = status.cbInQue;
1952 win_chr_read_poll(s);
1959 static void win_chr_add_read_handler(CharDriverState *chr,
1960 IOCanRWHandler *fd_can_read,
1961 IOReadHandler *fd_read, void *opaque)
1963 WinCharState *s = chr->opaque;
1965 s->fd_can_read = fd_can_read;
1966 s->fd_read = fd_read;
1967 s->win_opaque = opaque;
1970 CharDriverState *qemu_chr_open_win(const char *filename)
1972 CharDriverState *chr;
1975 chr = qemu_mallocz(sizeof(CharDriverState));
1978 s = qemu_mallocz(sizeof(WinCharState));
1984 chr->chr_write = win_chr_write;
1985 chr->chr_add_read_handler = win_chr_add_read_handler;
1986 chr->chr_close = win_chr_close;
1988 if (win_chr_init(s, filename) < 0) {
1996 static int win_chr_pipe_poll(void *opaque)
1998 WinCharState *s = opaque;
2001 PeekNamedPipe(s->hcom, NULL, 0, NULL, &size, NULL);
2004 win_chr_read_poll(s);
2011 static int win_chr_pipe_init(WinCharState *s, const char *filename)
2020 s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL);
2022 fprintf(stderr, "Failed CreateEvent\n");
2025 s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL);
2027 fprintf(stderr, "Failed CreateEvent\n");
2031 snprintf(openname, sizeof(openname), "\\\\.\\pipe\\%s", filename);
2032 s->hcom = CreateNamedPipe(openname, PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED,
2033 PIPE_TYPE_BYTE | PIPE_READMODE_BYTE |
2035 MAXCONNECT, NSENDBUF, NRECVBUF, NTIMEOUT, NULL);
2036 if (s->hcom == INVALID_HANDLE_VALUE) {
2037 fprintf(stderr, "Failed CreateNamedPipe (%lu)\n", GetLastError());
2042 ZeroMemory(&ov, sizeof(ov));
2043 ov.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
2044 ret = ConnectNamedPipe(s->hcom, &ov);
2046 fprintf(stderr, "Failed ConnectNamedPipe\n");
2050 ret = GetOverlappedResult(s->hcom, &ov, &size, TRUE);
2052 fprintf(stderr, "Failed GetOverlappedResult\n");
2054 CloseHandle(ov.hEvent);
2061 CloseHandle(ov.hEvent);
2064 qemu_add_polling_cb(win_chr_pipe_poll, s);
2073 CharDriverState *qemu_chr_open_win_pipe(const char *filename)
2075 CharDriverState *chr;
2078 chr = qemu_mallocz(sizeof(CharDriverState));
2081 s = qemu_mallocz(sizeof(WinCharState));
2087 chr->chr_write = win_chr_write;
2088 chr->chr_add_read_handler = win_chr_add_read_handler;
2089 chr->chr_close = win_chr_close;
2091 if (win_chr_pipe_init(s, filename) < 0) {
2099 CharDriverState *qemu_chr_open_win_file(HANDLE fd_out)
2101 CharDriverState *chr;
2104 chr = qemu_mallocz(sizeof(CharDriverState));
2107 s = qemu_mallocz(sizeof(WinCharState));
2114 chr->chr_write = win_chr_write;
2115 chr->chr_add_read_handler = win_chr_add_read_handler;
2119 CharDriverState *qemu_chr_open_win_file_out(const char *file_out)
2123 fd_out = CreateFile(file_out, GENERIC_WRITE, FILE_SHARE_READ, NULL,
2124 OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
2125 if (fd_out == INVALID_HANDLE_VALUE)
2128 return qemu_chr_open_win_file(fd_out);
2132 /***********************************************************/
2133 /* UDP Net console */
2136 IOCanRWHandler *fd_can_read;
2137 IOReadHandler *fd_read;
2140 struct sockaddr_in daddr;
2147 static int udp_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
2149 NetCharDriver *s = chr->opaque;
2151 return sendto(s->fd, buf, len, 0,
2152 (struct sockaddr *)&s->daddr, sizeof(struct sockaddr_in));
2155 static int udp_chr_read_poll(void *opaque)
2157 CharDriverState *chr = opaque;
2158 NetCharDriver *s = chr->opaque;
2160 s->max_size = s->fd_can_read(s->fd_opaque);
2162 /* If there were any stray characters in the queue process them
2165 while (s->max_size > 0 && s->bufptr < s->bufcnt) {
2166 s->fd_read(s->fd_opaque, &s->buf[s->bufptr], 1);
2168 s->max_size = s->fd_can_read(s->fd_opaque);
2173 static void udp_chr_read(void *opaque)
2175 CharDriverState *chr = opaque;
2176 NetCharDriver *s = chr->opaque;
2178 if (s->max_size == 0)
2180 s->bufcnt = recv(s->fd, s->buf, sizeof(s->buf), 0);
2181 s->bufptr = s->bufcnt;
2186 while (s->max_size > 0 && s->bufptr < s->bufcnt) {
2187 s->fd_read(s->fd_opaque, &s->buf[s->bufptr], 1);
2189 s->max_size = s->fd_can_read(s->fd_opaque);
2193 static void udp_chr_add_read_handler(CharDriverState *chr,
2194 IOCanRWHandler *fd_can_read,
2195 IOReadHandler *fd_read, void *opaque)
2197 NetCharDriver *s = chr->opaque;
2200 s->fd_can_read = fd_can_read;
2201 s->fd_read = fd_read;
2202 s->fd_opaque = opaque;
2203 qemu_set_fd_handler2(s->fd, udp_chr_read_poll,
2204 udp_chr_read, NULL, chr);
2208 int parse_host_port(struct sockaddr_in *saddr, const char *str);
2209 int parse_unix_path(struct sockaddr_un *uaddr, const char *str);
2210 int parse_host_src_port(struct sockaddr_in *haddr,
2211 struct sockaddr_in *saddr,
2214 CharDriverState *qemu_chr_open_udp(const char *def)
2216 CharDriverState *chr = NULL;
2217 NetCharDriver *s = NULL;
2219 struct sockaddr_in saddr;
2221 chr = qemu_mallocz(sizeof(CharDriverState));
2224 s = qemu_mallocz(sizeof(NetCharDriver));
2228 fd = socket(PF_INET, SOCK_DGRAM, 0);
2230 perror("socket(PF_INET, SOCK_DGRAM)");
2234 if (parse_host_src_port(&s->daddr, &saddr, def) < 0) {
2235 printf("Could not parse: %s\n", def);
2239 if (bind(fd, (struct sockaddr *)&saddr, sizeof(saddr)) < 0)
2249 chr->chr_write = udp_chr_write;
2250 chr->chr_add_read_handler = udp_chr_add_read_handler;
2263 /***********************************************************/
2264 /* TCP Net console */
2267 IOCanRWHandler *fd_can_read;
2268 IOReadHandler *fd_read;
2277 static void tcp_chr_accept(void *opaque);
2279 static int tcp_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
2281 TCPCharDriver *s = chr->opaque;
2283 return send_all(s->fd, buf, len);
2285 /* XXX: indicate an error ? */
2290 static int tcp_chr_read_poll(void *opaque)
2292 CharDriverState *chr = opaque;
2293 TCPCharDriver *s = chr->opaque;
2296 if (!s->fd_can_read)
2298 s->max_size = s->fd_can_read(s->fd_opaque);
2303 #define IAC_BREAK 243
2304 static void tcp_chr_process_IAC_bytes(CharDriverState *chr,
2306 char *buf, int *size)
2308 /* Handle any telnet client's basic IAC options to satisfy char by
2309 * char mode with no echo. All IAC options will be removed from
2310 * the buf and the do_telnetopt variable will be used to track the
2311 * state of the width of the IAC information.
2313 * IAC commands come in sets of 3 bytes with the exception of the
2314 * "IAC BREAK" command and the double IAC.
2320 for (i = 0; i < *size; i++) {
2321 if (s->do_telnetopt > 1) {
2322 if ((unsigned char)buf[i] == IAC && s->do_telnetopt == 2) {
2323 /* Double IAC means send an IAC */
2327 s->do_telnetopt = 1;
2329 if ((unsigned char)buf[i] == IAC_BREAK && s->do_telnetopt == 2) {
2330 /* Handle IAC break commands by sending a serial break */
2331 chr->chr_event(s->fd_opaque, CHR_EVENT_BREAK);
2336 if (s->do_telnetopt >= 4) {
2337 s->do_telnetopt = 1;
2340 if ((unsigned char)buf[i] == IAC) {
2341 s->do_telnetopt = 2;
2352 static void tcp_chr_read(void *opaque)
2354 CharDriverState *chr = opaque;
2355 TCPCharDriver *s = chr->opaque;
2359 if (!s->connected || s->max_size <= 0)
2362 if (len > s->max_size)
2364 size = recv(s->fd, buf, len, 0);
2366 /* connection closed */
2368 if (s->listen_fd >= 0) {
2369 qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr);
2371 qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
2374 } else if (size > 0) {
2375 if (s->do_telnetopt)
2376 tcp_chr_process_IAC_bytes(chr, s, buf, &size);
2378 s->fd_read(s->fd_opaque, buf, size);
2382 static void tcp_chr_add_read_handler(CharDriverState *chr,
2383 IOCanRWHandler *fd_can_read,
2384 IOReadHandler *fd_read, void *opaque)
2386 TCPCharDriver *s = chr->opaque;
2388 s->fd_can_read = fd_can_read;
2389 s->fd_read = fd_read;
2390 s->fd_opaque = opaque;
2393 static void tcp_chr_connect(void *opaque)
2395 CharDriverState *chr = opaque;
2396 TCPCharDriver *s = chr->opaque;
2399 qemu_set_fd_handler2(s->fd, tcp_chr_read_poll,
2400 tcp_chr_read, NULL, chr);
2403 #define IACSET(x,a,b,c) x[0] = a; x[1] = b; x[2] = c;
2404 static void tcp_chr_telnet_init(int fd)
2407 /* Send the telnet negotion to put telnet in binary, no echo, single char mode */
2408 IACSET(buf, 0xff, 0xfb, 0x01); /* IAC WILL ECHO */
2409 send(fd, (char *)buf, 3, 0);
2410 IACSET(buf, 0xff, 0xfb, 0x03); /* IAC WILL Suppress go ahead */
2411 send(fd, (char *)buf, 3, 0);
2412 IACSET(buf, 0xff, 0xfb, 0x00); /* IAC WILL Binary */
2413 send(fd, (char *)buf, 3, 0);
2414 IACSET(buf, 0xff, 0xfd, 0x00); /* IAC DO Binary */
2415 send(fd, (char *)buf, 3, 0);
2418 static void tcp_chr_accept(void *opaque)
2420 CharDriverState *chr = opaque;
2421 TCPCharDriver *s = chr->opaque;
2422 struct sockaddr_in saddr;
2424 struct sockaddr_un uaddr;
2426 struct sockaddr *addr;
2433 len = sizeof(uaddr);
2434 addr = (struct sockaddr *)&uaddr;
2438 len = sizeof(saddr);
2439 addr = (struct sockaddr *)&saddr;
2441 fd = accept(s->listen_fd, addr, &len);
2442 if (fd < 0 && errno != EINTR) {
2444 } else if (fd >= 0) {
2445 if (s->do_telnetopt)
2446 tcp_chr_telnet_init(fd);
2450 socket_set_nonblock(fd);
2452 qemu_set_fd_handler(s->listen_fd, NULL, NULL, NULL);
2453 tcp_chr_connect(chr);
2456 static void tcp_chr_close(CharDriverState *chr)
2458 TCPCharDriver *s = chr->opaque;
2461 if (s->listen_fd >= 0)
2462 closesocket(s->listen_fd);
2466 static CharDriverState *qemu_chr_open_tcp(const char *host_str,
2470 CharDriverState *chr = NULL;
2471 TCPCharDriver *s = NULL;
2472 int fd = -1, ret, err, val;
2474 int is_waitconnect = 1;
2476 struct sockaddr_in saddr;
2478 struct sockaddr_un uaddr;
2480 struct sockaddr *addr;
2485 addr = (struct sockaddr *)&uaddr;
2486 addrlen = sizeof(uaddr);
2487 if (parse_unix_path(&uaddr, host_str) < 0)
2492 addr = (struct sockaddr *)&saddr;
2493 addrlen = sizeof(saddr);
2494 if (parse_host_port(&saddr, host_str) < 0)
2499 while((ptr = strchr(ptr,','))) {
2501 if (!strncmp(ptr,"server",6)) {
2503 } else if (!strncmp(ptr,"nowait",6)) {
2506 printf("Unknown option: %s\n", ptr);
2513 chr = qemu_mallocz(sizeof(CharDriverState));
2516 s = qemu_mallocz(sizeof(TCPCharDriver));
2522 fd = socket(PF_UNIX, SOCK_STREAM, 0);
2525 fd = socket(PF_INET, SOCK_STREAM, 0);
2530 if (!is_waitconnect)
2531 socket_set_nonblock(fd);
2536 s->is_unix = is_unix;
2539 chr->chr_write = tcp_chr_write;
2540 chr->chr_add_read_handler = tcp_chr_add_read_handler;
2541 chr->chr_close = tcp_chr_close;
2544 /* allow fast reuse */
2548 strncpy(path, uaddr.sun_path, 108);
2555 setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&val, sizeof(val));
2558 ret = bind(fd, addr, addrlen);
2562 ret = listen(fd, 0);
2567 qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr);
2569 s->do_telnetopt = 1;
2572 ret = connect(fd, addr, addrlen);
2574 err = socket_error();
2575 if (err == EINTR || err == EWOULDBLOCK) {
2576 } else if (err == EINPROGRESS) {
2588 tcp_chr_connect(chr);
2590 qemu_set_fd_handler(s->fd, NULL, tcp_chr_connect, chr);
2593 if (is_listen && is_waitconnect) {
2594 printf("QEMU waiting for connection on: %s\n", host_str);
2595 tcp_chr_accept(chr);
2596 socket_set_nonblock(s->listen_fd);
2608 CharDriverState *qemu_chr_open(const char *filename)
2612 if (!strcmp(filename, "vc")) {
2613 return text_console_init(&display_state);
2614 } else if (!strcmp(filename, "null")) {
2615 return qemu_chr_open_null();
2617 if (strstart(filename, "tcp:", &p)) {
2618 return qemu_chr_open_tcp(p, 0, 0);
2620 if (strstart(filename, "telnet:", &p)) {
2621 return qemu_chr_open_tcp(p, 1, 0);
2623 if (strstart(filename, "udp:", &p)) {
2624 return qemu_chr_open_udp(p);
2627 if (strstart(filename, "unix:", &p)) {
2628 return qemu_chr_open_tcp(p, 0, 1);
2629 } else if (strstart(filename, "file:", &p)) {
2630 return qemu_chr_open_file_out(p);
2631 } else if (strstart(filename, "pipe:", &p)) {
2632 return qemu_chr_open_pipe(p);
2633 } else if (!strcmp(filename, "pty")) {
2634 return qemu_chr_open_pty();
2635 } else if (!strcmp(filename, "stdio")) {
2636 return qemu_chr_open_stdio();
2639 #if defined(__linux__)
2640 if (strstart(filename, "/dev/parport", NULL)) {
2641 return qemu_chr_open_pp(filename);
2643 if (strstart(filename, "/dev/", NULL)) {
2644 return qemu_chr_open_tty(filename);
2648 if (strstart(filename, "COM", NULL)) {
2649 return qemu_chr_open_win(filename);
2651 if (strstart(filename, "pipe:", &p)) {
2652 return qemu_chr_open_win_pipe(p);
2654 if (strstart(filename, "file:", &p)) {
2655 return qemu_chr_open_win_file_out(p);
2663 void qemu_chr_close(CharDriverState *chr)
2666 chr->chr_close(chr);
2669 /***********************************************************/
2670 /* network device redirectors */
2672 void hex_dump(FILE *f, const uint8_t *buf, int size)
2676 for(i=0;i<size;i+=16) {
2680 fprintf(f, "%08x ", i);
2683 fprintf(f, " %02x", buf[i+j]);
2688 for(j=0;j<len;j++) {
2690 if (c < ' ' || c > '~')
2692 fprintf(f, "%c", c);
2698 static int parse_macaddr(uint8_t *macaddr, const char *p)
2701 for(i = 0; i < 6; i++) {
2702 macaddr[i] = strtol(p, (char **)&p, 16);
2715 static int get_str_sep(char *buf, int buf_size, const char **pp, int sep)
2720 p1 = strchr(p, sep);
2726 if (len > buf_size - 1)
2728 memcpy(buf, p, len);
2735 int parse_host_src_port(struct sockaddr_in *haddr,
2736 struct sockaddr_in *saddr,
2737 const char *input_str)
2739 char *str = strdup(input_str);
2740 char *host_str = str;
2745 * Chop off any extra arguments at the end of the string which
2746 * would start with a comma, then fill in the src port information
2747 * if it was provided else use the "any address" and "any port".
2749 if ((ptr = strchr(str,',')))
2752 if ((src_str = strchr(input_str,'@'))) {
2757 if (parse_host_port(haddr, host_str) < 0)
2760 if (!src_str || *src_str == '\0')
2763 if (parse_host_port(saddr, src_str) < 0)
2774 int parse_host_port(struct sockaddr_in *saddr, const char *str)
2782 if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
2784 saddr->sin_family = AF_INET;
2785 if (buf[0] == '\0') {
2786 saddr->sin_addr.s_addr = 0;
2788 if (isdigit(buf[0])) {
2789 if (!inet_aton(buf, &saddr->sin_addr))
2792 if ((he = gethostbyname(buf)) == NULL)
2794 saddr->sin_addr = *(struct in_addr *)he->h_addr;
2797 port = strtol(p, (char **)&r, 0);
2800 saddr->sin_port = htons(port);
2804 int parse_unix_path(struct sockaddr_un *uaddr, const char *str)
2809 len = MIN(108, strlen(str));
2810 p = strchr(str, ',');
2812 len = MIN(len, p - str);
2814 memset(uaddr, 0, sizeof(*uaddr));
2816 uaddr->sun_family = AF_UNIX;
2817 memcpy(uaddr->sun_path, str, len);
2822 /* find or alloc a new VLAN */
2823 VLANState *qemu_find_vlan(int id)
2825 VLANState **pvlan, *vlan;
2826 for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) {
2830 vlan = qemu_mallocz(sizeof(VLANState));
2835 pvlan = &first_vlan;
2836 while (*pvlan != NULL)
2837 pvlan = &(*pvlan)->next;
2842 VLANClientState *qemu_new_vlan_client(VLANState *vlan,
2843 IOReadHandler *fd_read,
2844 IOCanRWHandler *fd_can_read,
2847 VLANClientState *vc, **pvc;
2848 vc = qemu_mallocz(sizeof(VLANClientState));
2851 vc->fd_read = fd_read;
2852 vc->fd_can_read = fd_can_read;
2853 vc->opaque = opaque;
2857 pvc = &vlan->first_client;
2858 while (*pvc != NULL)
2859 pvc = &(*pvc)->next;
2864 int qemu_can_send_packet(VLANClientState *vc1)
2866 VLANState *vlan = vc1->vlan;
2867 VLANClientState *vc;
2869 for(vc = vlan->first_client; vc != NULL; vc = vc->next) {
2871 if (vc->fd_can_read && !vc->fd_can_read(vc->opaque))
2878 void qemu_send_packet(VLANClientState *vc1, const uint8_t *buf, int size)
2880 VLANState *vlan = vc1->vlan;
2881 VLANClientState *vc;
2884 printf("vlan %d send:\n", vlan->id);
2885 hex_dump(stdout, buf, size);
2887 for(vc = vlan->first_client; vc != NULL; vc = vc->next) {
2889 vc->fd_read(vc->opaque, buf, size);
2894 #if defined(CONFIG_SLIRP)
2896 /* slirp network adapter */
2898 static int slirp_inited;
2899 static VLANClientState *slirp_vc;
2901 int slirp_can_output(void)
2903 return !slirp_vc || qemu_can_send_packet(slirp_vc);
2906 void slirp_output(const uint8_t *pkt, int pkt_len)
2909 printf("slirp output:\n");
2910 hex_dump(stdout, pkt, pkt_len);
2914 qemu_send_packet(slirp_vc, pkt, pkt_len);
2917 static void slirp_receive(void *opaque, const uint8_t *buf, int size)
2920 printf("slirp input:\n");
2921 hex_dump(stdout, buf, size);
2923 slirp_input(buf, size);
2926 static int net_slirp_init(VLANState *vlan)
2928 if (!slirp_inited) {
2932 slirp_vc = qemu_new_vlan_client(vlan,
2933 slirp_receive, NULL, NULL);
2934 snprintf(slirp_vc->info_str, sizeof(slirp_vc->info_str), "user redirector");
2938 static void net_slirp_redir(const char *redir_str)
2943 struct in_addr guest_addr;
2944 int host_port, guest_port;
2946 if (!slirp_inited) {
2952 if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
2954 if (!strcmp(buf, "tcp")) {
2956 } else if (!strcmp(buf, "udp")) {
2962 if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
2964 host_port = strtol(buf, &r, 0);
2968 if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
2970 if (buf[0] == '\0') {
2971 pstrcpy(buf, sizeof(buf), "10.0.2.15");
2973 if (!inet_aton(buf, &guest_addr))
2976 guest_port = strtol(p, &r, 0);
2980 if (slirp_redir(is_udp, host_port, guest_addr, guest_port) < 0) {
2981 fprintf(stderr, "qemu: could not set up redirection\n");
2986 fprintf(stderr, "qemu: syntax: -redir [tcp|udp]:host-port:[guest-host]:guest-port\n");
2994 static void smb_exit(void)
2998 char filename[1024];
3000 /* erase all the files in the directory */
3001 d = opendir(smb_dir);
3006 if (strcmp(de->d_name, ".") != 0 &&
3007 strcmp(de->d_name, "..") != 0) {
3008 snprintf(filename, sizeof(filename), "%s/%s",
3009 smb_dir, de->d_name);
3017 /* automatic user mode samba server configuration */
3018 void net_slirp_smb(const char *exported_dir)
3020 char smb_conf[1024];
3021 char smb_cmdline[1024];
3024 if (!slirp_inited) {
3029 /* XXX: better tmp dir construction */
3030 snprintf(smb_dir, sizeof(smb_dir), "/tmp/qemu-smb.%d", getpid());
3031 if (mkdir(smb_dir, 0700) < 0) {
3032 fprintf(stderr, "qemu: could not create samba server dir '%s'\n", smb_dir);
3035 snprintf(smb_conf, sizeof(smb_conf), "%s/%s", smb_dir, "smb.conf");
3037 f = fopen(smb_conf, "w");
3039 fprintf(stderr, "qemu: could not create samba server configuration file '%s'\n", smb_conf);
3046 "socket address=127.0.0.1\n"
3047 "pid directory=%s\n"
3048 "lock directory=%s\n"
3049 "log file=%s/log.smbd\n"
3050 "smb passwd file=%s/smbpasswd\n"
3051 "security = share\n"
3066 snprintf(smb_cmdline, sizeof(smb_cmdline), "/usr/sbin/smbd -s %s",
3069 slirp_add_exec(0, smb_cmdline, 4, 139);
3072 #endif /* !defined(_WIN32) */
3074 #endif /* CONFIG_SLIRP */
3076 #if !defined(_WIN32)
3078 typedef struct TAPState {
3079 VLANClientState *vc;
3083 static void tap_receive(void *opaque, const uint8_t *buf, int size)
3085 TAPState *s = opaque;
3088 ret = write(s->fd, buf, size);
3089 if (ret < 0 && (errno == EINTR || errno == EAGAIN)) {
3096 static void tap_send(void *opaque)
3098 TAPState *s = opaque;
3102 size = read(s->fd, buf, sizeof(buf));
3104 qemu_send_packet(s->vc, buf, size);
3110 static TAPState *net_tap_fd_init(VLANState *vlan, int fd)
3114 s = qemu_mallocz(sizeof(TAPState));
3118 s->vc = qemu_new_vlan_client(vlan, tap_receive, NULL, s);
3119 qemu_set_fd_handler(s->fd, tap_send, NULL, s);
3120 snprintf(s->vc->info_str, sizeof(s->vc->info_str), "tap: fd=%d", fd);
3125 static int tap_open(char *ifname, int ifname_size)
3131 fd = open("/dev/tap", O_RDWR);
3133 fprintf(stderr, "warning: could not open /dev/tap: no virtual network emulation\n");
3138 dev = devname(s.st_rdev, S_IFCHR);
3139 pstrcpy(ifname, ifname_size, dev);
3141 fcntl(fd, F_SETFL, O_NONBLOCK);
3144 #elif defined(__sun__)
3145 static int tap_open(char *ifname, int ifname_size)
3147 fprintf(stderr, "warning: tap_open not yet implemented\n");
3151 static int tap_open(char *ifname, int ifname_size)
3156 fd = open("/dev/net/tun", O_RDWR);
3158 fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n");
3161 memset(&ifr, 0, sizeof(ifr));
3162 ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
3163 if (ifname[0] != '\0')
3164 pstrcpy(ifr.ifr_name, IFNAMSIZ, ifname);
3166 pstrcpy(ifr.ifr_name, IFNAMSIZ, "tap%d");
3167 ret = ioctl(fd, TUNSETIFF, (void *) &ifr);
3169 fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n");
3173 pstrcpy(ifname, ifname_size, ifr.ifr_name);
3174 fcntl(fd, F_SETFL, O_NONBLOCK);
3179 static int net_tap_init(VLANState *vlan, const char *ifname1,
3180 const char *setup_script)
3183 int pid, status, fd;
3188 if (ifname1 != NULL)
3189 pstrcpy(ifname, sizeof(ifname), ifname1);
3192 fd = tap_open(ifname, sizeof(ifname));
3198 if (setup_script[0] != '\0') {
3199 /* try to launch network init script */
3204 *parg++ = (char *)setup_script;
3207 execv(setup_script, args);
3210 while (waitpid(pid, &status, 0) != pid);
3211 if (!WIFEXITED(status) ||
3212 WEXITSTATUS(status) != 0) {
3213 fprintf(stderr, "%s: could not launch network script\n",
3219 s = net_tap_fd_init(vlan, fd);
3222 snprintf(s->vc->info_str, sizeof(s->vc->info_str),
3223 "tap: ifname=%s setup_script=%s", ifname, setup_script);
3227 #endif /* !_WIN32 */
3229 /* network connection */
3230 typedef struct NetSocketState {
3231 VLANClientState *vc;
3233 int state; /* 0 = getting length, 1 = getting data */
3237 struct sockaddr_in dgram_dst; /* contains inet host and port destination iff connectionless (SOCK_DGRAM) */
3240 typedef struct NetSocketListenState {
3243 } NetSocketListenState;
3245 /* XXX: we consider we can send the whole packet without blocking */
3246 static void net_socket_receive(void *opaque, const uint8_t *buf, int size)
3248 NetSocketState *s = opaque;
3252 send_all(s->fd, (const uint8_t *)&len, sizeof(len));
3253 send_all(s->fd, buf, size);
3256 static void net_socket_receive_dgram(void *opaque, const uint8_t *buf, int size)
3258 NetSocketState *s = opaque;
3259 sendto(s->fd, buf, size, 0,
3260 (struct sockaddr *)&s->dgram_dst, sizeof(s->dgram_dst));
3263 static void net_socket_send(void *opaque)
3265 NetSocketState *s = opaque;
3270 size = recv(s->fd, buf1, sizeof(buf1), 0);
3272 err = socket_error();
3273 if (err != EWOULDBLOCK)
3275 } else if (size == 0) {
3276 /* end of connection */
3278 qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
3284 /* reassemble a packet from the network */
3290 memcpy(s->buf + s->index, buf, l);
3294 if (s->index == 4) {
3296 s->packet_len = ntohl(*(uint32_t *)s->buf);
3302 l = s->packet_len - s->index;
3305 memcpy(s->buf + s->index, buf, l);
3309 if (s->index >= s->packet_len) {
3310 qemu_send_packet(s->vc, s->buf, s->packet_len);
3319 static void net_socket_send_dgram(void *opaque)
3321 NetSocketState *s = opaque;
3324 size = recv(s->fd, s->buf, sizeof(s->buf), 0);
3328 /* end of connection */
3329 qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
3332 qemu_send_packet(s->vc, s->buf, size);
3335 static int net_socket_mcast_create(struct sockaddr_in *mcastaddr)
3340 if (!IN_MULTICAST(ntohl(mcastaddr->sin_addr.s_addr))) {
3341 fprintf(stderr, "qemu: error: specified mcastaddr \"%s\" (0x%08x) does not contain a multicast address\n",
3342 inet_ntoa(mcastaddr->sin_addr),
3343 (int)ntohl(mcastaddr->sin_addr.s_addr));
3347 fd = socket(PF_INET, SOCK_DGRAM, 0);
3349 perror("socket(PF_INET, SOCK_DGRAM)");
3354 ret=setsockopt(fd, SOL_SOCKET, SO_REUSEADDR,
3355 (const char *)&val, sizeof(val));
3357 perror("setsockopt(SOL_SOCKET, SO_REUSEADDR)");
3361 ret = bind(fd, (struct sockaddr *)mcastaddr, sizeof(*mcastaddr));
3367 /* Add host to multicast group */
3368 imr.imr_multiaddr = mcastaddr->sin_addr;
3369 imr.imr_interface.s_addr = htonl(INADDR_ANY);
3371 ret = setsockopt(fd, IPPROTO_IP, IP_ADD_MEMBERSHIP,
3372 (const char *)&imr, sizeof(struct ip_mreq));
3374 perror("setsockopt(IP_ADD_MEMBERSHIP)");
3378 /* Force mcast msgs to loopback (eg. several QEMUs in same host */
3380 ret=setsockopt(fd, IPPROTO_IP, IP_MULTICAST_LOOP,
3381 (const char *)&val, sizeof(val));
3383 perror("setsockopt(SOL_IP, IP_MULTICAST_LOOP)");
3387 socket_set_nonblock(fd);
3395 static NetSocketState *net_socket_fd_init_dgram(VLANState *vlan, int fd,
3398 struct sockaddr_in saddr;
3400 socklen_t saddr_len;
3403 /* fd passed: multicast: "learn" dgram_dst address from bound address and save it
3404 * Because this may be "shared" socket from a "master" process, datagrams would be recv()
3405 * by ONLY ONE process: we must "clone" this dgram socket --jjo
3409 if (getsockname(fd, (struct sockaddr *) &saddr, &saddr_len) == 0) {
3411 if (saddr.sin_addr.s_addr==0) {
3412 fprintf(stderr, "qemu: error: init_dgram: fd=%d unbound, cannot setup multicast dst addr\n",
3416 /* clone dgram socket */
3417 newfd = net_socket_mcast_create(&saddr);
3419 /* error already reported by net_socket_mcast_create() */
3423 /* clone newfd to fd, close newfd */
3428 fprintf(stderr, "qemu: error: init_dgram: fd=%d failed getsockname(): %s\n",
3429 fd, strerror(errno));
3434 s = qemu_mallocz(sizeof(NetSocketState));
3439 s->vc = qemu_new_vlan_client(vlan, net_socket_receive_dgram, NULL, s);
3440 qemu_set_fd_handler(s->fd, net_socket_send_dgram, NULL, s);
3442 /* mcast: save bound address as dst */
3443 if (is_connected) s->dgram_dst=saddr;
3445 snprintf(s->vc->info_str, sizeof(s->vc->info_str),
3446 "socket: fd=%d (%s mcast=%s:%d)",
3447 fd, is_connected? "cloned" : "",
3448 inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
3452 static void net_socket_connect(void *opaque)
3454 NetSocketState *s = opaque;
3455 qemu_set_fd_handler(s->fd, net_socket_send, NULL, s);
3458 static NetSocketState *net_socket_fd_init_stream(VLANState *vlan, int fd,
3462 s = qemu_mallocz(sizeof(NetSocketState));
3466 s->vc = qemu_new_vlan_client(vlan,
3467 net_socket_receive, NULL, s);
3468 snprintf(s->vc->info_str, sizeof(s->vc->info_str),
3469 "socket: fd=%d", fd);
3471 net_socket_connect(s);
3473 qemu_set_fd_handler(s->fd, NULL, net_socket_connect, s);
3478 static NetSocketState *net_socket_fd_init(VLANState *vlan, int fd,
3481 int so_type=-1, optlen=sizeof(so_type);
3483 if(getsockopt(fd, SOL_SOCKET, SO_TYPE, (char *)&so_type, &optlen)< 0) {
3484 fprintf(stderr, "qemu: error: setsockopt(SO_TYPE) for fd=%d failed\n", fd);
3489 return net_socket_fd_init_dgram(vlan, fd, is_connected);
3491 return net_socket_fd_init_stream(vlan, fd, is_connected);
3493 /* who knows ... this could be a eg. a pty, do warn and continue as stream */
3494 fprintf(stderr, "qemu: warning: socket type=%d for fd=%d is not SOCK_DGRAM or SOCK_STREAM\n", so_type, fd);
3495 return net_socket_fd_init_stream(vlan, fd, is_connected);
3500 static void net_socket_accept(void *opaque)
3502 NetSocketListenState *s = opaque;
3504 struct sockaddr_in saddr;
3509 len = sizeof(saddr);
3510 fd = accept(s->fd, (struct sockaddr *)&saddr, &len);
3511 if (fd < 0 && errno != EINTR) {
3513 } else if (fd >= 0) {
3517 s1 = net_socket_fd_init(s->vlan, fd, 1);
3521 snprintf(s1->vc->info_str, sizeof(s1->vc->info_str),
3522 "socket: connection from %s:%d",
3523 inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
3527 static int net_socket_listen_init(VLANState *vlan, const char *host_str)
3529 NetSocketListenState *s;
3531 struct sockaddr_in saddr;
3533 if (parse_host_port(&saddr, host_str) < 0)
3536 s = qemu_mallocz(sizeof(NetSocketListenState));
3540 fd = socket(PF_INET, SOCK_STREAM, 0);
3545 socket_set_nonblock(fd);
3547 /* allow fast reuse */
3549 setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&val, sizeof(val));
3551 ret = bind(fd, (struct sockaddr *)&saddr, sizeof(saddr));
3556 ret = listen(fd, 0);
3563 qemu_set_fd_handler(fd, net_socket_accept, NULL, s);
3567 static int net_socket_connect_init(VLANState *vlan, const char *host_str)
3570 int fd, connected, ret, err;
3571 struct sockaddr_in saddr;
3573 if (parse_host_port(&saddr, host_str) < 0)
3576 fd = socket(PF_INET, SOCK_STREAM, 0);
3581 socket_set_nonblock(fd);
3585 ret = connect(fd, (struct sockaddr *)&saddr, sizeof(saddr));
3587 err = socket_error();
3588 if (err == EINTR || err == EWOULDBLOCK) {
3589 } else if (err == EINPROGRESS) {
3601 s = net_socket_fd_init(vlan, fd, connected);
3604 snprintf(s->vc->info_str, sizeof(s->vc->info_str),
3605 "socket: connect to %s:%d",
3606 inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
3610 static int net_socket_mcast_init(VLANState *vlan, const char *host_str)
3614 struct sockaddr_in saddr;
3616 if (parse_host_port(&saddr, host_str) < 0)
3620 fd = net_socket_mcast_create(&saddr);
3624 s = net_socket_fd_init(vlan, fd, 0);
3628 s->dgram_dst = saddr;
3630 snprintf(s->vc->info_str, sizeof(s->vc->info_str),
3631 "socket: mcast=%s:%d",
3632 inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
3637 static int get_param_value(char *buf, int buf_size,
3638 const char *tag, const char *str)
3647 while (*p != '\0' && *p != '=') {
3648 if ((q - option) < sizeof(option) - 1)
3656 if (!strcmp(tag, option)) {
3658 while (*p != '\0' && *p != ',') {
3659 if ((q - buf) < buf_size - 1)
3666 while (*p != '\0' && *p != ',') {
3677 int net_client_init(const char *str)
3688 while (*p != '\0' && *p != ',') {
3689 if ((q - device) < sizeof(device) - 1)
3697 if (get_param_value(buf, sizeof(buf), "vlan", p)) {
3698 vlan_id = strtol(buf, NULL, 0);
3700 vlan = qemu_find_vlan(vlan_id);
3702 fprintf(stderr, "Could not create vlan %d\n", vlan_id);
3705 if (!strcmp(device, "nic")) {
3709 if (nb_nics >= MAX_NICS) {
3710 fprintf(stderr, "Too Many NICs\n");
3713 nd = &nd_table[nb_nics];
3714 macaddr = nd->macaddr;
3720 macaddr[5] = 0x56 + nb_nics;
3722 if (get_param_value(buf, sizeof(buf), "macaddr", p)) {
3723 if (parse_macaddr(macaddr, buf) < 0) {
3724 fprintf(stderr, "invalid syntax for ethernet address\n");
3728 if (get_param_value(buf, sizeof(buf), "model", p)) {
3729 nd->model = strdup(buf);
3735 if (!strcmp(device, "none")) {
3736 /* does nothing. It is needed to signal that no network cards
3741 if (!strcmp(device, "user")) {
3742 if (get_param_value(buf, sizeof(buf), "hostname", p)) {
3743 pstrcpy(slirp_hostname, sizeof(slirp_hostname), buf);
3745 ret = net_slirp_init(vlan);
3749 if (!strcmp(device, "tap")) {
3751 if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) {
3752 fprintf(stderr, "tap: no interface name\n");
3755 ret = tap_win32_init(vlan, ifname);
3758 if (!strcmp(device, "tap")) {
3760 char setup_script[1024];
3762 if (get_param_value(buf, sizeof(buf), "fd", p) > 0) {
3763 fd = strtol(buf, NULL, 0);
3765 if (net_tap_fd_init(vlan, fd))
3768 get_param_value(ifname, sizeof(ifname), "ifname", p);
3769 if (get_param_value(setup_script, sizeof(setup_script), "script", p) == 0) {
3770 pstrcpy(setup_script, sizeof(setup_script), DEFAULT_NETWORK_SCRIPT);
3772 ret = net_tap_init(vlan, ifname, setup_script);
3776 if (!strcmp(device, "socket")) {
3777 if (get_param_value(buf, sizeof(buf), "fd", p) > 0) {
3779 fd = strtol(buf, NULL, 0);
3781 if (net_socket_fd_init(vlan, fd, 1))
3783 } else if (get_param_value(buf, sizeof(buf), "listen", p) > 0) {
3784 ret = net_socket_listen_init(vlan, buf);
3785 } else if (get_param_value(buf, sizeof(buf), "connect", p) > 0) {
3786 ret = net_socket_connect_init(vlan, buf);
3787 } else if (get_param_value(buf, sizeof(buf), "mcast", p) > 0) {
3788 ret = net_socket_mcast_init(vlan, buf);
3790 fprintf(stderr, "Unknown socket options: %s\n", p);
3795 fprintf(stderr, "Unknown network device: %s\n", device);
3799 fprintf(stderr, "Could not initialize device '%s'\n", device);
3805 void do_info_network(void)
3808 VLANClientState *vc;
3810 for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) {
3811 term_printf("VLAN %d devices:\n", vlan->id);
3812 for(vc = vlan->first_client; vc != NULL; vc = vc->next)
3813 term_printf(" %s\n", vc->info_str);
3817 /***********************************************************/
3820 static USBPort *used_usb_ports;
3821 static USBPort *free_usb_ports;
3823 /* ??? Maybe change this to register a hub to keep track of the topology. */
3824 void qemu_register_usb_port(USBPort *port, void *opaque, int index,
3825 usb_attachfn attach)
3827 port->opaque = opaque;
3828 port->index = index;
3829 port->attach = attach;
3830 port->next = free_usb_ports;
3831 free_usb_ports = port;
3834 static int usb_device_add(const char *devname)
3840 if (!free_usb_ports)
3843 if (strstart(devname, "host:", &p)) {
3844 dev = usb_host_device_open(p);
3845 } else if (!strcmp(devname, "mouse")) {
3846 dev = usb_mouse_init();
3847 } else if (!strcmp(devname, "tablet")) {
3848 dev = usb_tablet_init();
3849 } else if (strstart(devname, "disk:", &p)) {
3850 dev = usb_msd_init(p);
3857 /* Find a USB port to add the device to. */
3858 port = free_usb_ports;
3862 /* Create a new hub and chain it on. */
3863 free_usb_ports = NULL;
3864 port->next = used_usb_ports;
3865 used_usb_ports = port;
3867 hub = usb_hub_init(VM_USB_HUB_SIZE);
3868 usb_attach(port, hub);
3869 port = free_usb_ports;
3872 free_usb_ports = port->next;
3873 port->next = used_usb_ports;
3874 used_usb_ports = port;
3875 usb_attach(port, dev);
3879 static int usb_device_del(const char *devname)
3887 if (!used_usb_ports)
3890 p = strchr(devname, '.');
3893 bus_num = strtoul(devname, NULL, 0);
3894 addr = strtoul(p + 1, NULL, 0);
3898 lastp = &used_usb_ports;
3899 port = used_usb_ports;
3900 while (port && port->dev->addr != addr) {
3901 lastp = &port->next;
3909 *lastp = port->next;
3910 usb_attach(port, NULL);
3911 dev->handle_destroy(dev);
3912 port->next = free_usb_ports;
3913 free_usb_ports = port;
3917 void do_usb_add(const char *devname)
3920 ret = usb_device_add(devname);
3922 term_printf("Could not add USB device '%s'\n", devname);
3925 void do_usb_del(const char *devname)
3928 ret = usb_device_del(devname);
3930 term_printf("Could not remove USB device '%s'\n", devname);
3937 const char *speed_str;
3940 term_printf("USB support not enabled\n");
3944 for (port = used_usb_ports; port; port = port->next) {
3948 switch(dev->speed) {
3952 case USB_SPEED_FULL:
3955 case USB_SPEED_HIGH:
3962 term_printf(" Device %d.%d, Speed %s Mb/s, Product %s\n",
3963 0, dev->addr, speed_str, dev->devname);
3967 /***********************************************************/
3970 static char *pid_filename;
3972 /* Remove PID file. Called on normal exit */
3974 static void remove_pidfile(void)
3976 unlink (pid_filename);
3979 static void create_pidfile(const char *filename)
3981 struct stat pidstat;
3984 /* Try to write our PID to the named file */
3985 if (stat(filename, &pidstat) < 0) {
3986 if (errno == ENOENT) {
3987 if ((f = fopen (filename, "w")) == NULL) {
3988 perror("Opening pidfile");
3991 fprintf(f, "%d\n", getpid());
3993 pid_filename = qemu_strdup(filename);
3994 if (!pid_filename) {
3995 fprintf(stderr, "Could not save PID filename");
3998 atexit(remove_pidfile);
4001 fprintf(stderr, "%s already exists. Remove it and try again.\n",
4007 /***********************************************************/
4010 static void dumb_update(DisplayState *ds, int x, int y, int w, int h)
4014 static void dumb_resize(DisplayState *ds, int w, int h)
4018 static void dumb_refresh(DisplayState *ds)
4023 void dumb_display_init(DisplayState *ds)
4028 ds->dpy_update = dumb_update;
4029 ds->dpy_resize = dumb_resize;
4030 ds->dpy_refresh = dumb_refresh;
4033 /***********************************************************/
4036 #define MAX_IO_HANDLERS 64
4038 typedef struct IOHandlerRecord {
4040 IOCanRWHandler *fd_read_poll;
4042 IOHandler *fd_write;
4044 /* temporary data */
4046 struct IOHandlerRecord *next;
4049 static IOHandlerRecord *first_io_handler;
4051 /* XXX: fd_read_poll should be suppressed, but an API change is
4052 necessary in the character devices to suppress fd_can_read(). */
4053 int qemu_set_fd_handler2(int fd,
4054 IOCanRWHandler *fd_read_poll,
4056 IOHandler *fd_write,
4059 IOHandlerRecord **pioh, *ioh;
4061 if (!fd_read && !fd_write) {
4062 pioh = &first_io_handler;
4067 if (ioh->fd == fd) {
4075 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
4079 ioh = qemu_mallocz(sizeof(IOHandlerRecord));
4082 ioh->next = first_io_handler;
4083 first_io_handler = ioh;
4086 ioh->fd_read_poll = fd_read_poll;
4087 ioh->fd_read = fd_read;
4088 ioh->fd_write = fd_write;
4089 ioh->opaque = opaque;
4094 int qemu_set_fd_handler(int fd,
4096 IOHandler *fd_write,
4099 return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque);
4102 /***********************************************************/
4103 /* Polling handling */
4105 typedef struct PollingEntry {
4108 struct PollingEntry *next;
4111 static PollingEntry *first_polling_entry;
4113 int qemu_add_polling_cb(PollingFunc *func, void *opaque)
4115 PollingEntry **ppe, *pe;
4116 pe = qemu_mallocz(sizeof(PollingEntry));
4120 pe->opaque = opaque;
4121 for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next);
4126 void qemu_del_polling_cb(PollingFunc *func, void *opaque)
4128 PollingEntry **ppe, *pe;
4129 for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) {
4131 if (pe->func == func && pe->opaque == opaque) {
4140 /***********************************************************/
4141 /* Wait objects support */
4142 typedef struct WaitObjects {
4144 HANDLE events[MAXIMUM_WAIT_OBJECTS + 1];
4145 WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1];
4146 void *opaque[MAXIMUM_WAIT_OBJECTS + 1];
4149 static WaitObjects wait_objects = {0};
4151 int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
4153 WaitObjects *w = &wait_objects;
4155 if (w->num >= MAXIMUM_WAIT_OBJECTS)
4157 w->events[w->num] = handle;
4158 w->func[w->num] = func;
4159 w->opaque[w->num] = opaque;
4164 void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
4167 WaitObjects *w = &wait_objects;
4170 for (i = 0; i < w->num; i++) {
4171 if (w->events[i] == handle)
4174 w->events[i] = w->events[i + 1];
4175 w->func[i] = w->func[i + 1];
4176 w->opaque[i] = w->opaque[i + 1];
4184 /***********************************************************/
4185 /* savevm/loadvm support */
4187 #define IO_BUF_SIZE 32768
4191 BlockDriverState *bs;
4194 int64_t base_offset;
4195 int64_t buf_offset; /* start of buffer when writing, end of buffer
4198 int buf_size; /* 0 when writing */
4199 uint8_t buf[IO_BUF_SIZE];
4202 QEMUFile *qemu_fopen(const char *filename, const char *mode)
4206 f = qemu_mallocz(sizeof(QEMUFile));
4209 if (!strcmp(mode, "wb")) {
4211 } else if (!strcmp(mode, "rb")) {
4216 f->outfile = fopen(filename, mode);
4228 QEMUFile *qemu_fopen_bdrv(BlockDriverState *bs, int64_t offset, int is_writable)
4232 f = qemu_mallocz(sizeof(QEMUFile));
4237 f->is_writable = is_writable;
4238 f->base_offset = offset;
4242 void qemu_fflush(QEMUFile *f)
4244 if (!f->is_writable)
4246 if (f->buf_index > 0) {
4248 fseek(f->outfile, f->buf_offset, SEEK_SET);
4249 fwrite(f->buf, 1, f->buf_index, f->outfile);
4251 bdrv_pwrite(f->bs, f->base_offset + f->buf_offset,
4252 f->buf, f->buf_index);
4254 f->buf_offset += f->buf_index;
4259 static void qemu_fill_buffer(QEMUFile *f)
4266 fseek(f->outfile, f->buf_offset, SEEK_SET);
4267 len = fread(f->buf, 1, IO_BUF_SIZE, f->outfile);
4271 len = bdrv_pread(f->bs, f->base_offset + f->buf_offset,
4272 f->buf, IO_BUF_SIZE);
4278 f->buf_offset += len;
4281 void qemu_fclose(QEMUFile *f)
4291 void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size)
4295 l = IO_BUF_SIZE - f->buf_index;
4298 memcpy(f->buf + f->buf_index, buf, l);
4302 if (f->buf_index >= IO_BUF_SIZE)
4307 void qemu_put_byte(QEMUFile *f, int v)
4309 f->buf[f->buf_index++] = v;
4310 if (f->buf_index >= IO_BUF_SIZE)
4314 int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size1)
4320 l = f->buf_size - f->buf_index;
4322 qemu_fill_buffer(f);
4323 l = f->buf_size - f->buf_index;
4329 memcpy(buf, f->buf + f->buf_index, l);
4334 return size1 - size;
4337 int qemu_get_byte(QEMUFile *f)
4339 if (f->buf_index >= f->buf_size) {
4340 qemu_fill_buffer(f);
4341 if (f->buf_index >= f->buf_size)
4344 return f->buf[f->buf_index++];
4347 int64_t qemu_ftell(QEMUFile *f)
4349 return f->buf_offset - f->buf_size + f->buf_index;
4352 int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence)
4354 if (whence == SEEK_SET) {
4356 } else if (whence == SEEK_CUR) {
4357 pos += qemu_ftell(f);
4359 /* SEEK_END not supported */
4362 if (f->is_writable) {
4364 f->buf_offset = pos;
4366 f->buf_offset = pos;
4373 void qemu_put_be16(QEMUFile *f, unsigned int v)
4375 qemu_put_byte(f, v >> 8);
4376 qemu_put_byte(f, v);
4379 void qemu_put_be32(QEMUFile *f, unsigned int v)
4381 qemu_put_byte(f, v >> 24);
4382 qemu_put_byte(f, v >> 16);
4383 qemu_put_byte(f, v >> 8);
4384 qemu_put_byte(f, v);
4387 void qemu_put_be64(QEMUFile *f, uint64_t v)
4389 qemu_put_be32(f, v >> 32);
4390 qemu_put_be32(f, v);
4393 unsigned int qemu_get_be16(QEMUFile *f)
4396 v = qemu_get_byte(f) << 8;
4397 v |= qemu_get_byte(f);
4401 unsigned int qemu_get_be32(QEMUFile *f)
4404 v = qemu_get_byte(f) << 24;
4405 v |= qemu_get_byte(f) << 16;
4406 v |= qemu_get_byte(f) << 8;
4407 v |= qemu_get_byte(f);
4411 uint64_t qemu_get_be64(QEMUFile *f)
4414 v = (uint64_t)qemu_get_be32(f) << 32;
4415 v |= qemu_get_be32(f);
4419 typedef struct SaveStateEntry {
4423 SaveStateHandler *save_state;
4424 LoadStateHandler *load_state;
4426 struct SaveStateEntry *next;
4429 static SaveStateEntry *first_se;
4431 int register_savevm(const char *idstr,
4434 SaveStateHandler *save_state,
4435 LoadStateHandler *load_state,
4438 SaveStateEntry *se, **pse;
4440 se = qemu_malloc(sizeof(SaveStateEntry));
4443 pstrcpy(se->idstr, sizeof(se->idstr), idstr);
4444 se->instance_id = instance_id;
4445 se->version_id = version_id;
4446 se->save_state = save_state;
4447 se->load_state = load_state;
4448 se->opaque = opaque;
4451 /* add at the end of list */
4453 while (*pse != NULL)
4454 pse = &(*pse)->next;
4459 #define QEMU_VM_FILE_MAGIC 0x5145564d
4460 #define QEMU_VM_FILE_VERSION 0x00000002
4462 int qemu_savevm_state(QEMUFile *f)
4466 int64_t cur_pos, len_pos, total_len_pos;
4468 qemu_put_be32(f, QEMU_VM_FILE_MAGIC);
4469 qemu_put_be32(f, QEMU_VM_FILE_VERSION);
4470 total_len_pos = qemu_ftell(f);
4471 qemu_put_be64(f, 0); /* total size */
4473 for(se = first_se; se != NULL; se = se->next) {
4475 len = strlen(se->idstr);
4476 qemu_put_byte(f, len);
4477 qemu_put_buffer(f, se->idstr, len);
4479 qemu_put_be32(f, se->instance_id);
4480 qemu_put_be32(f, se->version_id);
4482 /* record size: filled later */
4483 len_pos = qemu_ftell(f);
4484 qemu_put_be32(f, 0);
4486 se->save_state(f, se->opaque);
4488 /* fill record size */
4489 cur_pos = qemu_ftell(f);
4490 len = cur_pos - len_pos - 4;
4491 qemu_fseek(f, len_pos, SEEK_SET);
4492 qemu_put_be32(f, len);
4493 qemu_fseek(f, cur_pos, SEEK_SET);
4495 cur_pos = qemu_ftell(f);
4496 qemu_fseek(f, total_len_pos, SEEK_SET);
4497 qemu_put_be64(f, cur_pos - total_len_pos - 8);
4498 qemu_fseek(f, cur_pos, SEEK_SET);
4504 static SaveStateEntry *find_se(const char *idstr, int instance_id)
4508 for(se = first_se; se != NULL; se = se->next) {
4509 if (!strcmp(se->idstr, idstr) &&
4510 instance_id == se->instance_id)
4516 int qemu_loadvm_state(QEMUFile *f)
4519 int len, ret, instance_id, record_len, version_id;
4520 int64_t total_len, end_pos, cur_pos;
4524 v = qemu_get_be32(f);
4525 if (v != QEMU_VM_FILE_MAGIC)
4527 v = qemu_get_be32(f);
4528 if (v != QEMU_VM_FILE_VERSION) {
4533 total_len = qemu_get_be64(f);
4534 end_pos = total_len + qemu_ftell(f);
4536 if (qemu_ftell(f) >= end_pos)
4538 len = qemu_get_byte(f);
4539 qemu_get_buffer(f, idstr, len);
4541 instance_id = qemu_get_be32(f);
4542 version_id = qemu_get_be32(f);
4543 record_len = qemu_get_be32(f);
4545 printf("idstr=%s instance=0x%x version=%d len=%d\n",
4546 idstr, instance_id, version_id, record_len);
4548 cur_pos = qemu_ftell(f);
4549 se = find_se(idstr, instance_id);
4551 fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n",
4552 instance_id, idstr);
4554 ret = se->load_state(f, se->opaque, version_id);
4556 fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n",
4557 instance_id, idstr);
4560 /* always seek to exact end of record */
4561 qemu_fseek(f, cur_pos + record_len, SEEK_SET);
4568 /* device can contain snapshots */
4569 static int bdrv_can_snapshot(BlockDriverState *bs)
4572 !bdrv_is_removable(bs) &&
4573 !bdrv_is_read_only(bs));
4576 /* device must be snapshots in order to have a reliable snapshot */
4577 static int bdrv_has_snapshot(BlockDriverState *bs)
4580 !bdrv_is_removable(bs) &&
4581 !bdrv_is_read_only(bs));
4584 static BlockDriverState *get_bs_snapshots(void)
4586 BlockDriverState *bs;
4590 return bs_snapshots;
4591 for(i = 0; i <= MAX_DISKS; i++) {
4593 if (bdrv_can_snapshot(bs))
4602 static int bdrv_snapshot_find(BlockDriverState *bs, QEMUSnapshotInfo *sn_info,
4605 QEMUSnapshotInfo *sn_tab, *sn;
4609 nb_sns = bdrv_snapshot_list(bs, &sn_tab);
4612 for(i = 0; i < nb_sns; i++) {
4614 if (!strcmp(sn->id_str, name) || !strcmp(sn->name, name)) {
4624 void do_savevm(const char *name)
4626 BlockDriverState *bs, *bs1;
4627 QEMUSnapshotInfo sn1, *sn = &sn1, old_sn1, *old_sn = &old_sn1;
4628 int must_delete, ret, i;
4629 BlockDriverInfo bdi1, *bdi = &bdi1;
4631 int saved_vm_running;
4638 bs = get_bs_snapshots();
4640 term_printf("No block device can accept snapshots\n");
4644 /* ??? Should this occur after vm_stop? */
4647 saved_vm_running = vm_running;
4652 ret = bdrv_snapshot_find(bs, old_sn, name);
4657 memset(sn, 0, sizeof(*sn));
4659 pstrcpy(sn->name, sizeof(sn->name), old_sn->name);
4660 pstrcpy(sn->id_str, sizeof(sn->id_str), old_sn->id_str);
4663 pstrcpy(sn->name, sizeof(sn->name), name);
4666 /* fill auxiliary fields */
4669 sn->date_sec = tb.time;
4670 sn->date_nsec = tb.millitm * 1000000;
4672 gettimeofday(&tv, NULL);
4673 sn->date_sec = tv.tv_sec;
4674 sn->date_nsec = tv.tv_usec * 1000;
4676 sn->vm_clock_nsec = qemu_get_clock(vm_clock);
4678 if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) {
4679 term_printf("Device %s does not support VM state snapshots\n",
4680 bdrv_get_device_name(bs));
4684 /* save the VM state */
4685 f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 1);
4687 term_printf("Could not open VM state file\n");
4690 ret = qemu_savevm_state(f);
4691 sn->vm_state_size = qemu_ftell(f);
4694 term_printf("Error %d while writing VM\n", ret);
4698 /* create the snapshots */
4700 for(i = 0; i < MAX_DISKS; i++) {
4702 if (bdrv_has_snapshot(bs1)) {
4704 ret = bdrv_snapshot_delete(bs1, old_sn->id_str);
4706 term_printf("Error while deleting snapshot on '%s'\n",
4707 bdrv_get_device_name(bs1));
4710 ret = bdrv_snapshot_create(bs1, sn);
4712 term_printf("Error while creating snapshot on '%s'\n",
4713 bdrv_get_device_name(bs1));
4719 if (saved_vm_running)
4723 void do_loadvm(const char *name)
4725 BlockDriverState *bs, *bs1;
4726 BlockDriverInfo bdi1, *bdi = &bdi1;
4729 int saved_vm_running;
4731 bs = get_bs_snapshots();
4733 term_printf("No block device supports snapshots\n");
4737 /* Flush all IO requests so they don't interfere with the new state. */
4740 saved_vm_running = vm_running;
4743 for(i = 0; i <= MAX_DISKS; i++) {
4745 if (bdrv_has_snapshot(bs1)) {
4746 ret = bdrv_snapshot_goto(bs1, name);
4749 term_printf("Warning: ");
4752 term_printf("Snapshots not supported on device '%s'\n",
4753 bdrv_get_device_name(bs1));
4756 term_printf("Could not find snapshot '%s' on device '%s'\n",
4757 name, bdrv_get_device_name(bs1));
4760 term_printf("Error %d while activating snapshot on '%s'\n",
4761 ret, bdrv_get_device_name(bs1));
4764 /* fatal on snapshot block device */
4771 if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) {
4772 term_printf("Device %s does not support VM state snapshots\n",
4773 bdrv_get_device_name(bs));
4777 /* restore the VM state */
4778 f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 0);
4780 term_printf("Could not open VM state file\n");
4783 ret = qemu_loadvm_state(f);
4786 term_printf("Error %d while loading VM state\n", ret);
4789 if (saved_vm_running)
4793 void do_delvm(const char *name)
4795 BlockDriverState *bs, *bs1;
4798 bs = get_bs_snapshots();
4800 term_printf("No block device supports snapshots\n");
4804 for(i = 0; i <= MAX_DISKS; i++) {
4806 if (bdrv_has_snapshot(bs1)) {
4807 ret = bdrv_snapshot_delete(bs1, name);
4809 if (ret == -ENOTSUP)
4810 term_printf("Snapshots not supported on device '%s'\n",
4811 bdrv_get_device_name(bs1));
4813 term_printf("Error %d while deleting snapshot on '%s'\n",
4814 ret, bdrv_get_device_name(bs1));
4820 void do_info_snapshots(void)
4822 BlockDriverState *bs, *bs1;
4823 QEMUSnapshotInfo *sn_tab, *sn;
4827 bs = get_bs_snapshots();
4829 term_printf("No available block device supports snapshots\n");
4832 term_printf("Snapshot devices:");
4833 for(i = 0; i <= MAX_DISKS; i++) {
4835 if (bdrv_has_snapshot(bs1)) {
4837 term_printf(" %s", bdrv_get_device_name(bs1));
4842 nb_sns = bdrv_snapshot_list(bs, &sn_tab);
4844 term_printf("bdrv_snapshot_list: error %d\n", nb_sns);
4847 term_printf("Snapshot list (from %s):\n", bdrv_get_device_name(bs));
4848 term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), NULL));
4849 for(i = 0; i < nb_sns; i++) {
4851 term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), sn));
4856 /***********************************************************/
4857 /* cpu save/restore */
4859 #if defined(TARGET_I386)
4861 static void cpu_put_seg(QEMUFile *f, SegmentCache *dt)
4863 qemu_put_be32(f, dt->selector);
4864 qemu_put_betl(f, dt->base);
4865 qemu_put_be32(f, dt->limit);
4866 qemu_put_be32(f, dt->flags);
4869 static void cpu_get_seg(QEMUFile *f, SegmentCache *dt)
4871 dt->selector = qemu_get_be32(f);
4872 dt->base = qemu_get_betl(f);
4873 dt->limit = qemu_get_be32(f);
4874 dt->flags = qemu_get_be32(f);
4877 void cpu_save(QEMUFile *f, void *opaque)
4879 CPUState *env = opaque;
4880 uint16_t fptag, fpus, fpuc, fpregs_format;
4884 for(i = 0; i < CPU_NB_REGS; i++)
4885 qemu_put_betls(f, &env->regs[i]);
4886 qemu_put_betls(f, &env->eip);
4887 qemu_put_betls(f, &env->eflags);
4888 hflags = env->hflags; /* XXX: suppress most of the redundant hflags */
4889 qemu_put_be32s(f, &hflags);
4893 fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11;
4895 for(i = 0; i < 8; i++) {
4896 fptag |= ((!env->fptags[i]) << i);
4899 qemu_put_be16s(f, &fpuc);
4900 qemu_put_be16s(f, &fpus);
4901 qemu_put_be16s(f, &fptag);
4903 #ifdef USE_X86LDOUBLE
4908 qemu_put_be16s(f, &fpregs_format);
4910 for(i = 0; i < 8; i++) {
4911 #ifdef USE_X86LDOUBLE
4915 /* we save the real CPU data (in case of MMX usage only 'mant'
4916 contains the MMX register */
4917 cpu_get_fp80(&mant, &exp, env->fpregs[i].d);
4918 qemu_put_be64(f, mant);
4919 qemu_put_be16(f, exp);
4922 /* if we use doubles for float emulation, we save the doubles to
4923 avoid losing information in case of MMX usage. It can give
4924 problems if the image is restored on a CPU where long
4925 doubles are used instead. */
4926 qemu_put_be64(f, env->fpregs[i].mmx.MMX_Q(0));
4930 for(i = 0; i < 6; i++)
4931 cpu_put_seg(f, &env->segs[i]);
4932 cpu_put_seg(f, &env->ldt);
4933 cpu_put_seg(f, &env->tr);
4934 cpu_put_seg(f, &env->gdt);
4935 cpu_put_seg(f, &env->idt);
4937 qemu_put_be32s(f, &env->sysenter_cs);
4938 qemu_put_be32s(f, &env->sysenter_esp);
4939 qemu_put_be32s(f, &env->sysenter_eip);
4941 qemu_put_betls(f, &env->cr[0]);
4942 qemu_put_betls(f, &env->cr[2]);
4943 qemu_put_betls(f, &env->cr[3]);
4944 qemu_put_betls(f, &env->cr[4]);
4946 for(i = 0; i < 8; i++)
4947 qemu_put_betls(f, &env->dr[i]);
4950 qemu_put_be32s(f, &env->a20_mask);
4953 qemu_put_be32s(f, &env->mxcsr);
4954 for(i = 0; i < CPU_NB_REGS; i++) {
4955 qemu_put_be64s(f, &env->xmm_regs[i].XMM_Q(0));
4956 qemu_put_be64s(f, &env->xmm_regs[i].XMM_Q(1));
4959 #ifdef TARGET_X86_64
4960 qemu_put_be64s(f, &env->efer);
4961 qemu_put_be64s(f, &env->star);
4962 qemu_put_be64s(f, &env->lstar);
4963 qemu_put_be64s(f, &env->cstar);
4964 qemu_put_be64s(f, &env->fmask);
4965 qemu_put_be64s(f, &env->kernelgsbase);
4967 qemu_put_be32s(f, &env->smbase);
4970 #ifdef USE_X86LDOUBLE
4971 /* XXX: add that in a FPU generic layer */
4972 union x86_longdouble {
4977 #define MANTD1(fp) (fp & ((1LL << 52) - 1))
4978 #define EXPBIAS1 1023
4979 #define EXPD1(fp) ((fp >> 52) & 0x7FF)
4980 #define SIGND1(fp) ((fp >> 32) & 0x80000000)
4982 static void fp64_to_fp80(union x86_longdouble *p, uint64_t temp)
4986 p->mant = (MANTD1(temp) << 11) | (1LL << 63);
4987 /* exponent + sign */
4988 e = EXPD1(temp) - EXPBIAS1 + 16383;
4989 e |= SIGND1(temp) >> 16;
4994 int cpu_load(QEMUFile *f, void *opaque, int version_id)
4996 CPUState *env = opaque;
4999 uint16_t fpus, fpuc, fptag, fpregs_format;
5001 if (version_id != 3 && version_id != 4)
5003 for(i = 0; i < CPU_NB_REGS; i++)
5004 qemu_get_betls(f, &env->regs[i]);
5005 qemu_get_betls(f, &env->eip);
5006 qemu_get_betls(f, &env->eflags);
5007 qemu_get_be32s(f, &hflags);
5009 qemu_get_be16s(f, &fpuc);
5010 qemu_get_be16s(f, &fpus);
5011 qemu_get_be16s(f, &fptag);
5012 qemu_get_be16s(f, &fpregs_format);
5014 /* NOTE: we cannot always restore the FPU state if the image come
5015 from a host with a different 'USE_X86LDOUBLE' define. We guess
5016 if we are in an MMX state to restore correctly in that case. */
5017 guess_mmx = ((fptag == 0xff) && (fpus & 0x3800) == 0);
5018 for(i = 0; i < 8; i++) {
5022 switch(fpregs_format) {
5024 mant = qemu_get_be64(f);
5025 exp = qemu_get_be16(f);
5026 #ifdef USE_X86LDOUBLE
5027 env->fpregs[i].d = cpu_set_fp80(mant, exp);
5029 /* difficult case */
5031 env->fpregs[i].mmx.MMX_Q(0) = mant;
5033 env->fpregs[i].d = cpu_set_fp80(mant, exp);
5037 mant = qemu_get_be64(f);
5038 #ifdef USE_X86LDOUBLE
5040 union x86_longdouble *p;
5041 /* difficult case */
5042 p = (void *)&env->fpregs[i];
5047 fp64_to_fp80(p, mant);
5051 env->fpregs[i].mmx.MMX_Q(0) = mant;
5060 /* XXX: restore FPU round state */
5061 env->fpstt = (fpus >> 11) & 7;
5062 env->fpus = fpus & ~0x3800;
5064 for(i = 0; i < 8; i++) {
5065 env->fptags[i] = (fptag >> i) & 1;
5068 for(i = 0; i < 6; i++)
5069 cpu_get_seg(f, &env->segs[i]);
5070 cpu_get_seg(f, &env->ldt);
5071 cpu_get_seg(f, &env->tr);
5072 cpu_get_seg(f, &env->gdt);
5073 cpu_get_seg(f, &env->idt);
5075 qemu_get_be32s(f, &env->sysenter_cs);
5076 qemu_get_be32s(f, &env->sysenter_esp);
5077 qemu_get_be32s(f, &env->sysenter_eip);
5079 qemu_get_betls(f, &env->cr[0]);
5080 qemu_get_betls(f, &env->cr[2]);
5081 qemu_get_betls(f, &env->cr[3]);
5082 qemu_get_betls(f, &env->cr[4]);
5084 for(i = 0; i < 8; i++)
5085 qemu_get_betls(f, &env->dr[i]);
5088 qemu_get_be32s(f, &env->a20_mask);
5090 qemu_get_be32s(f, &env->mxcsr);
5091 for(i = 0; i < CPU_NB_REGS; i++) {
5092 qemu_get_be64s(f, &env->xmm_regs[i].XMM_Q(0));
5093 qemu_get_be64s(f, &env->xmm_regs[i].XMM_Q(1));
5096 #ifdef TARGET_X86_64
5097 qemu_get_be64s(f, &env->efer);
5098 qemu_get_be64s(f, &env->star);
5099 qemu_get_be64s(f, &env->lstar);
5100 qemu_get_be64s(f, &env->cstar);
5101 qemu_get_be64s(f, &env->fmask);
5102 qemu_get_be64s(f, &env->kernelgsbase);
5104 if (version_id >= 4)
5105 qemu_get_be32s(f, &env->smbase);
5107 /* XXX: compute hflags from scratch, except for CPL and IIF */
5108 env->hflags = hflags;
5113 #elif defined(TARGET_PPC)
5114 void cpu_save(QEMUFile *f, void *opaque)
5118 int cpu_load(QEMUFile *f, void *opaque, int version_id)
5123 #elif defined(TARGET_MIPS)
5124 void cpu_save(QEMUFile *f, void *opaque)
5128 int cpu_load(QEMUFile *f, void *opaque, int version_id)
5133 #elif defined(TARGET_SPARC)
5134 void cpu_save(QEMUFile *f, void *opaque)
5136 CPUState *env = opaque;
5140 for(i = 0; i < 8; i++)
5141 qemu_put_betls(f, &env->gregs[i]);
5142 for(i = 0; i < NWINDOWS * 16; i++)
5143 qemu_put_betls(f, &env->regbase[i]);
5146 for(i = 0; i < TARGET_FPREGS; i++) {
5152 qemu_put_be32(f, u.i);
5155 qemu_put_betls(f, &env->pc);
5156 qemu_put_betls(f, &env->npc);
5157 qemu_put_betls(f, &env->y);
5159 qemu_put_be32(f, tmp);
5160 qemu_put_betls(f, &env->fsr);
5161 qemu_put_betls(f, &env->tbr);
5162 #ifndef TARGET_SPARC64
5163 qemu_put_be32s(f, &env->wim);
5165 for(i = 0; i < 16; i++)
5166 qemu_put_be32s(f, &env->mmuregs[i]);
5170 int cpu_load(QEMUFile *f, void *opaque, int version_id)
5172 CPUState *env = opaque;
5176 for(i = 0; i < 8; i++)
5177 qemu_get_betls(f, &env->gregs[i]);
5178 for(i = 0; i < NWINDOWS * 16; i++)
5179 qemu_get_betls(f, &env->regbase[i]);
5182 for(i = 0; i < TARGET_FPREGS; i++) {
5187 u.i = qemu_get_be32(f);
5191 qemu_get_betls(f, &env->pc);
5192 qemu_get_betls(f, &env->npc);
5193 qemu_get_betls(f, &env->y);
5194 tmp = qemu_get_be32(f);
5195 env->cwp = 0; /* needed to ensure that the wrapping registers are
5196 correctly updated */
5198 qemu_get_betls(f, &env->fsr);
5199 qemu_get_betls(f, &env->tbr);
5200 #ifndef TARGET_SPARC64
5201 qemu_get_be32s(f, &env->wim);
5203 for(i = 0; i < 16; i++)
5204 qemu_get_be32s(f, &env->mmuregs[i]);
5210 #elif defined(TARGET_ARM)
5212 /* ??? Need to implement these. */
5213 void cpu_save(QEMUFile *f, void *opaque)
5217 int cpu_load(QEMUFile *f, void *opaque, int version_id)
5224 #warning No CPU save/restore functions
5228 /***********************************************************/
5229 /* ram save/restore */
5231 static int ram_get_page(QEMUFile *f, uint8_t *buf, int len)
5235 v = qemu_get_byte(f);
5238 if (qemu_get_buffer(f, buf, len) != len)
5242 v = qemu_get_byte(f);
5243 memset(buf, v, len);
5251 static int ram_load_v1(QEMUFile *f, void *opaque)
5255 if (qemu_get_be32(f) != phys_ram_size)
5257 for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) {
5258 ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE);
5265 #define BDRV_HASH_BLOCK_SIZE 1024
5266 #define IOBUF_SIZE 4096
5267 #define RAM_CBLOCK_MAGIC 0xfabe
5269 typedef struct RamCompressState {
5272 uint8_t buf[IOBUF_SIZE];
5275 static int ram_compress_open(RamCompressState *s, QEMUFile *f)
5278 memset(s, 0, sizeof(*s));
5280 ret = deflateInit2(&s->zstream, 1,
5282 9, Z_DEFAULT_STRATEGY);
5285 s->zstream.avail_out = IOBUF_SIZE;
5286 s->zstream.next_out = s->buf;
5290 static void ram_put_cblock(RamCompressState *s, const uint8_t *buf, int len)
5292 qemu_put_be16(s->f, RAM_CBLOCK_MAGIC);
5293 qemu_put_be16(s->f, len);
5294 qemu_put_buffer(s->f, buf, len);
5297 static int ram_compress_buf(RamCompressState *s, const uint8_t *buf, int len)
5301 s->zstream.avail_in = len;
5302 s->zstream.next_in = (uint8_t *)buf;
5303 while (s->zstream.avail_in > 0) {
5304 ret = deflate(&s->zstream, Z_NO_FLUSH);
5307 if (s->zstream.avail_out == 0) {
5308 ram_put_cblock(s, s->buf, IOBUF_SIZE);
5309 s->zstream.avail_out = IOBUF_SIZE;
5310 s->zstream.next_out = s->buf;
5316 static void ram_compress_close(RamCompressState *s)
5320 /* compress last bytes */
5322 ret = deflate(&s->zstream, Z_FINISH);
5323 if (ret == Z_OK || ret == Z_STREAM_END) {
5324 len = IOBUF_SIZE - s->zstream.avail_out;
5326 ram_put_cblock(s, s->buf, len);
5328 s->zstream.avail_out = IOBUF_SIZE;
5329 s->zstream.next_out = s->buf;
5330 if (ret == Z_STREAM_END)
5337 deflateEnd(&s->zstream);
5340 typedef struct RamDecompressState {
5343 uint8_t buf[IOBUF_SIZE];
5344 } RamDecompressState;
5346 static int ram_decompress_open(RamDecompressState *s, QEMUFile *f)
5349 memset(s, 0, sizeof(*s));
5351 ret = inflateInit(&s->zstream);
5357 static int ram_decompress_buf(RamDecompressState *s, uint8_t *buf, int len)
5361 s->zstream.avail_out = len;
5362 s->zstream.next_out = buf;
5363 while (s->zstream.avail_out > 0) {
5364 if (s->zstream.avail_in == 0) {
5365 if (qemu_get_be16(s->f) != RAM_CBLOCK_MAGIC)
5367 clen = qemu_get_be16(s->f);
5368 if (clen > IOBUF_SIZE)
5370 qemu_get_buffer(s->f, s->buf, clen);
5371 s->zstream.avail_in = clen;
5372 s->zstream.next_in = s->buf;
5374 ret = inflate(&s->zstream, Z_PARTIAL_FLUSH);
5375 if (ret != Z_OK && ret != Z_STREAM_END) {
5382 static void ram_decompress_close(RamDecompressState *s)
5384 inflateEnd(&s->zstream);
5387 static void ram_save(QEMUFile *f, void *opaque)
5390 RamCompressState s1, *s = &s1;
5393 qemu_put_be32(f, phys_ram_size);
5394 if (ram_compress_open(s, f) < 0)
5396 for(i = 0; i < phys_ram_size; i+= BDRV_HASH_BLOCK_SIZE) {
5398 if (tight_savevm_enabled) {
5402 /* find if the memory block is available on a virtual
5405 for(j = 0; j < MAX_DISKS; j++) {
5407 sector_num = bdrv_hash_find(bs_table[j],
5408 phys_ram_base + i, BDRV_HASH_BLOCK_SIZE);
5409 if (sector_num >= 0)
5414 goto normal_compress;
5417 cpu_to_be64wu((uint64_t *)(buf + 2), sector_num);
5418 ram_compress_buf(s, buf, 10);
5424 ram_compress_buf(s, buf, 1);
5425 ram_compress_buf(s, phys_ram_base + i, BDRV_HASH_BLOCK_SIZE);
5428 ram_compress_close(s);
5431 static int ram_load(QEMUFile *f, void *opaque, int version_id)
5433 RamDecompressState s1, *s = &s1;
5437 if (version_id == 1)
5438 return ram_load_v1(f, opaque);
5439 if (version_id != 2)
5441 if (qemu_get_be32(f) != phys_ram_size)
5443 if (ram_decompress_open(s, f) < 0)
5445 for(i = 0; i < phys_ram_size; i+= BDRV_HASH_BLOCK_SIZE) {
5446 if (ram_decompress_buf(s, buf, 1) < 0) {
5447 fprintf(stderr, "Error while reading ram block header\n");
5451 if (ram_decompress_buf(s, phys_ram_base + i, BDRV_HASH_BLOCK_SIZE) < 0) {
5452 fprintf(stderr, "Error while reading ram block address=0x%08x", i);
5461 ram_decompress_buf(s, buf + 1, 9);
5463 sector_num = be64_to_cpupu((const uint64_t *)(buf + 2));
5464 if (bs_index >= MAX_DISKS || bs_table[bs_index] == NULL) {
5465 fprintf(stderr, "Invalid block device index %d\n", bs_index);
5468 if (bdrv_read(bs_table[bs_index], sector_num, phys_ram_base + i,
5469 BDRV_HASH_BLOCK_SIZE / 512) < 0) {
5470 fprintf(stderr, "Error while reading sector %d:%" PRId64 "\n",
5471 bs_index, sector_num);
5478 printf("Error block header\n");
5482 ram_decompress_close(s);
5486 /***********************************************************/
5487 /* bottom halves (can be seen as timers which expire ASAP) */
5496 static QEMUBH *first_bh = NULL;
5498 QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque)
5501 bh = qemu_mallocz(sizeof(QEMUBH));
5505 bh->opaque = opaque;
5509 int qemu_bh_poll(void)
5528 void qemu_bh_schedule(QEMUBH *bh)
5530 CPUState *env = cpu_single_env;
5534 bh->next = first_bh;
5537 /* stop the currently executing CPU to execute the BH ASAP */
5539 cpu_interrupt(env, CPU_INTERRUPT_EXIT);
5543 void qemu_bh_cancel(QEMUBH *bh)
5546 if (bh->scheduled) {
5549 pbh = &(*pbh)->next;
5555 void qemu_bh_delete(QEMUBH *bh)
5561 /***********************************************************/
5562 /* machine registration */
5564 QEMUMachine *first_machine = NULL;
5566 int qemu_register_machine(QEMUMachine *m)
5569 pm = &first_machine;
5577 QEMUMachine *find_machine(const char *name)
5581 for(m = first_machine; m != NULL; m = m->next) {
5582 if (!strcmp(m->name, name))
5588 /***********************************************************/
5589 /* main execution loop */
5591 void gui_update(void *opaque)
5593 display_state.dpy_refresh(&display_state);
5594 qemu_mod_timer(gui_timer, GUI_REFRESH_INTERVAL + qemu_get_clock(rt_clock));
5597 struct vm_change_state_entry {
5598 VMChangeStateHandler *cb;
5600 LIST_ENTRY (vm_change_state_entry) entries;
5603 static LIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
5605 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
5608 VMChangeStateEntry *e;
5610 e = qemu_mallocz(sizeof (*e));
5616 LIST_INSERT_HEAD(&vm_change_state_head, e, entries);
5620 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
5622 LIST_REMOVE (e, entries);
5626 static void vm_state_notify(int running)
5628 VMChangeStateEntry *e;
5630 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
5631 e->cb(e->opaque, running);
5635 /* XXX: support several handlers */
5636 static VMStopHandler *vm_stop_cb;
5637 static void *vm_stop_opaque;
5639 int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque)
5642 vm_stop_opaque = opaque;
5646 void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque)
5660 void vm_stop(int reason)
5663 cpu_disable_ticks();
5667 vm_stop_cb(vm_stop_opaque, reason);
5674 /* reset/shutdown handler */
5676 typedef struct QEMUResetEntry {
5677 QEMUResetHandler *func;
5679 struct QEMUResetEntry *next;
5682 static QEMUResetEntry *first_reset_entry;
5683 static int reset_requested;
5684 static int shutdown_requested;
5685 static int powerdown_requested;
5687 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
5689 QEMUResetEntry **pre, *re;
5691 pre = &first_reset_entry;
5692 while (*pre != NULL)
5693 pre = &(*pre)->next;
5694 re = qemu_mallocz(sizeof(QEMUResetEntry));
5696 re->opaque = opaque;
5701 void qemu_system_reset(void)
5705 /* reset all devices */
5706 for(re = first_reset_entry; re != NULL; re = re->next) {
5707 re->func(re->opaque);
5711 void qemu_system_reset_request(void)
5714 shutdown_requested = 1;
5716 reset_requested = 1;
5719 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
5722 void qemu_system_shutdown_request(void)
5724 shutdown_requested = 1;
5726 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
5729 void qemu_system_powerdown_request(void)
5731 powerdown_requested = 1;
5733 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
5736 void main_loop_wait(int timeout)
5738 IOHandlerRecord *ioh, *ioh_next;
5739 fd_set rfds, wfds, xfds;
5745 /* XXX: need to suppress polling by better using win32 events */
5747 for(pe = first_polling_entry; pe != NULL; pe = pe->next) {
5748 ret |= pe->func(pe->opaque);
5751 if (ret == 0 && timeout > 0) {
5753 WaitObjects *w = &wait_objects;
5755 ret = WaitForMultipleObjects(w->num, w->events, FALSE, timeout);
5756 if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) {
5757 if (w->func[ret - WAIT_OBJECT_0])
5758 w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]);
5759 } else if (ret == WAIT_TIMEOUT) {
5761 err = GetLastError();
5762 fprintf(stderr, "Wait error %d %d\n", ret, err);
5766 /* poll any events */
5767 /* XXX: separate device handlers from system ones */
5772 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
5774 (!ioh->fd_read_poll ||
5775 ioh->fd_read_poll(ioh->opaque) != 0)) {
5776 FD_SET(ioh->fd, &rfds);
5780 if (ioh->fd_write) {
5781 FD_SET(ioh->fd, &wfds);
5791 tv.tv_usec = timeout * 1000;
5793 #if defined(CONFIG_SLIRP)
5795 slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
5798 ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
5800 /* XXX: better handling of removal */
5801 for(ioh = first_io_handler; ioh != NULL; ioh = ioh_next) {
5802 ioh_next = ioh->next;
5803 if (FD_ISSET(ioh->fd, &rfds)) {
5804 ioh->fd_read(ioh->opaque);
5806 if (FD_ISSET(ioh->fd, &wfds)) {
5807 ioh->fd_write(ioh->opaque);
5811 #if defined(CONFIG_SLIRP)
5818 slirp_select_poll(&rfds, &wfds, &xfds);
5825 qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL],
5826 qemu_get_clock(vm_clock));
5827 /* run dma transfers, if any */
5831 /* real time timers */
5832 qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME],
5833 qemu_get_clock(rt_clock));
5836 static CPUState *cur_cpu;
5841 #ifdef CONFIG_PROFILER
5846 cur_cpu = first_cpu;
5853 env = env->next_cpu;
5856 #ifdef CONFIG_PROFILER
5857 ti = profile_getclock();
5859 ret = cpu_exec(env);
5860 #ifdef CONFIG_PROFILER
5861 qemu_time += profile_getclock() - ti;
5863 if (ret != EXCP_HALTED)
5865 /* all CPUs are halted ? */
5866 if (env == cur_cpu) {
5873 if (shutdown_requested) {
5874 ret = EXCP_INTERRUPT;
5877 if (reset_requested) {
5878 reset_requested = 0;
5879 qemu_system_reset();
5880 ret = EXCP_INTERRUPT;
5882 if (powerdown_requested) {
5883 powerdown_requested = 0;
5884 qemu_system_powerdown();
5885 ret = EXCP_INTERRUPT;
5887 if (ret == EXCP_DEBUG) {
5888 vm_stop(EXCP_DEBUG);
5890 /* if hlt instruction, we wait until the next IRQ */
5891 /* XXX: use timeout computed from timers */
5892 if (ret == EXCP_HLT)
5899 #ifdef CONFIG_PROFILER
5900 ti = profile_getclock();
5902 main_loop_wait(timeout);
5903 #ifdef CONFIG_PROFILER
5904 dev_time += profile_getclock() - ti;
5907 cpu_disable_ticks();
5913 printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2006 Fabrice Bellard\n"
5914 "usage: %s [options] [disk_image]\n"
5916 "'disk_image' is a raw hard image image for IDE hard disk 0\n"
5918 "Standard options:\n"
5919 "-M machine select emulated machine (-M ? for list)\n"
5920 "-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
5921 "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
5922 "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
5923 "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
5924 "-boot [a|c|d] boot on floppy (a), hard disk (c) or CD-ROM (d)\n"
5925 "-snapshot write to temporary files instead of disk image files\n"
5927 "-no-quit disable SDL window close capability\n"
5930 "-no-fd-bootchk disable boot signature checking for floppy disks\n"
5932 "-m megs set virtual RAM size to megs MB [default=%d]\n"
5933 "-smp n set the number of CPUs to 'n' [default=1]\n"
5934 "-nographic disable graphical output and redirect serial I/Os to console\n"
5936 "-k language use keyboard layout (for example \"fr\" for French)\n"
5939 "-audio-help print list of audio drivers and their options\n"
5940 "-soundhw c1,... enable audio support\n"
5941 " and only specified sound cards (comma separated list)\n"
5942 " use -soundhw ? to get the list of supported cards\n"
5943 " use -soundhw all to enable all of them\n"
5945 "-localtime set the real time clock to local time [default=utc]\n"
5946 "-full-screen start in full screen\n"
5948 "-win2k-hack use it when installing Windows 2000 to avoid a disk full bug\n"
5950 "-usb enable the USB driver (will be the default soon)\n"
5951 "-usbdevice name add the host or guest USB device 'name'\n"
5952 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
5953 "-g WxH[xDEPTH] Set the initial graphical resolution and depth\n"
5956 "Network options:\n"
5957 "-net nic[,vlan=n][,macaddr=addr][,model=type]\n"
5958 " create a new Network Interface Card and connect it to VLAN 'n'\n"
5960 "-net user[,vlan=n][,hostname=host]\n"
5961 " connect the user mode network stack to VLAN 'n' and send\n"
5962 " hostname 'host' to DHCP clients\n"
5965 "-net tap[,vlan=n],ifname=name\n"
5966 " connect the host TAP network interface to VLAN 'n'\n"
5968 "-net tap[,vlan=n][,fd=h][,ifname=name][,script=file]\n"
5969 " connect the host TAP network interface to VLAN 'n' and use\n"
5970 " the network script 'file' (default=%s);\n"
5971 " use 'fd=h' to connect to an already opened TAP interface\n"
5973 "-net socket[,vlan=n][,fd=h][,listen=[host]:port][,connect=host:port]\n"
5974 " connect the vlan 'n' to another VLAN using a socket connection\n"
5975 "-net socket[,vlan=n][,fd=h][,mcast=maddr:port]\n"
5976 " connect the vlan 'n' to multicast maddr and port\n"
5977 "-net none use it alone to have zero network devices; if no -net option\n"
5978 " is provided, the default is '-net nic -net user'\n"
5981 "-tftp prefix allow tftp access to files starting with prefix [-net user]\n"
5983 "-smb dir allow SMB access to files in 'dir' [-net user]\n"
5985 "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
5986 " redirect TCP or UDP connections from host to guest [-net user]\n"
5989 "Linux boot specific:\n"
5990 "-kernel bzImage use 'bzImage' as kernel image\n"
5991 "-append cmdline use 'cmdline' as kernel command line\n"
5992 "-initrd file use 'file' as initial ram disk\n"
5994 "Debug/Expert options:\n"
5995 "-monitor dev redirect the monitor to char device 'dev'\n"
5996 "-serial dev redirect the serial port to char device 'dev'\n"
5997 "-parallel dev redirect the parallel port to char device 'dev'\n"
5998 "-pidfile file Write PID to 'file'\n"
5999 "-S freeze CPU at startup (use 'c' to start execution)\n"
6000 "-s wait gdb connection to port %d\n"
6001 "-p port change gdb connection port\n"
6002 "-d item1,... output log to %s (use -d ? for a list of log items)\n"
6003 "-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n"
6004 " translation (t=none or lba) (usually qemu can guess them)\n"
6005 "-L path set the directory for the BIOS, VGA BIOS and keymaps\n"
6007 "-kernel-kqemu enable KQEMU full virtualization (default is user mode only)\n"
6008 "-no-kqemu disable KQEMU kernel module usage\n"
6010 #ifdef USE_CODE_COPY
6011 "-no-code-copy disable code copy acceleration\n"
6014 "-std-vga simulate a standard VGA card with VESA Bochs Extensions\n"
6015 " (default is CL-GD5446 PCI VGA)\n"
6016 "-no-acpi disable ACPI\n"
6018 "-no-reboot exit instead of rebooting\n"
6019 "-loadvm file start right away with a saved state (loadvm in monitor)\n"
6020 "-vnc display start a VNC server on display\n"
6022 "During emulation, the following keys are useful:\n"
6023 "ctrl-alt-f toggle full screen\n"
6024 "ctrl-alt-n switch to virtual console 'n'\n"
6025 "ctrl-alt toggle mouse and keyboard grab\n"
6027 "When using -nographic, press 'ctrl-a h' to get some help.\n"
6032 DEFAULT_NETWORK_SCRIPT,
6034 DEFAULT_GDBSTUB_PORT,
6039 #define HAS_ARG 0x0001
6053 QEMU_OPTION_snapshot,
6055 QEMU_OPTION_no_fd_bootchk,
6058 QEMU_OPTION_nographic,
6060 QEMU_OPTION_audio_help,
6061 QEMU_OPTION_soundhw,
6079 QEMU_OPTION_no_code_copy,
6081 QEMU_OPTION_localtime,
6082 QEMU_OPTION_cirrusvga,
6084 QEMU_OPTION_std_vga,
6085 QEMU_OPTION_monitor,
6087 QEMU_OPTION_parallel,
6089 QEMU_OPTION_full_screen,
6090 QEMU_OPTION_no_quit,
6091 QEMU_OPTION_pidfile,
6092 QEMU_OPTION_no_kqemu,
6093 QEMU_OPTION_kernel_kqemu,
6094 QEMU_OPTION_win2k_hack,
6096 QEMU_OPTION_usbdevice,
6099 QEMU_OPTION_no_acpi,
6100 QEMU_OPTION_no_reboot,
6103 typedef struct QEMUOption {
6109 const QEMUOption qemu_options[] = {
6110 { "h", 0, QEMU_OPTION_h },
6112 { "M", HAS_ARG, QEMU_OPTION_M },
6113 { "fda", HAS_ARG, QEMU_OPTION_fda },
6114 { "fdb", HAS_ARG, QEMU_OPTION_fdb },
6115 { "hda", HAS_ARG, QEMU_OPTION_hda },
6116 { "hdb", HAS_ARG, QEMU_OPTION_hdb },
6117 { "hdc", HAS_ARG, QEMU_OPTION_hdc },
6118 { "hdd", HAS_ARG, QEMU_OPTION_hdd },
6119 { "cdrom", HAS_ARG, QEMU_OPTION_cdrom },
6120 { "boot", HAS_ARG, QEMU_OPTION_boot },
6121 { "snapshot", 0, QEMU_OPTION_snapshot },
6123 { "no-fd-bootchk", 0, QEMU_OPTION_no_fd_bootchk },
6125 { "m", HAS_ARG, QEMU_OPTION_m },
6126 { "nographic", 0, QEMU_OPTION_nographic },
6127 { "k", HAS_ARG, QEMU_OPTION_k },
6129 { "audio-help", 0, QEMU_OPTION_audio_help },
6130 { "soundhw", HAS_ARG, QEMU_OPTION_soundhw },
6133 { "net", HAS_ARG, QEMU_OPTION_net},
6135 { "tftp", HAS_ARG, QEMU_OPTION_tftp },
6137 { "smb", HAS_ARG, QEMU_OPTION_smb },
6139 { "redir", HAS_ARG, QEMU_OPTION_redir },
6142 { "kernel", HAS_ARG, QEMU_OPTION_kernel },
6143 { "append", HAS_ARG, QEMU_OPTION_append },
6144 { "initrd", HAS_ARG, QEMU_OPTION_initrd },
6146 { "S", 0, QEMU_OPTION_S },
6147 { "s", 0, QEMU_OPTION_s },
6148 { "p", HAS_ARG, QEMU_OPTION_p },
6149 { "d", HAS_ARG, QEMU_OPTION_d },
6150 { "hdachs", HAS_ARG, QEMU_OPTION_hdachs },
6151 { "L", HAS_ARG, QEMU_OPTION_L },
6152 { "no-code-copy", 0, QEMU_OPTION_no_code_copy },
6154 { "no-kqemu", 0, QEMU_OPTION_no_kqemu },
6155 { "kernel-kqemu", 0, QEMU_OPTION_kernel_kqemu },
6157 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
6158 { "g", 1, QEMU_OPTION_g },
6160 { "localtime", 0, QEMU_OPTION_localtime },
6161 { "std-vga", 0, QEMU_OPTION_std_vga },
6162 { "monitor", 1, QEMU_OPTION_monitor },
6163 { "serial", 1, QEMU_OPTION_serial },
6164 { "parallel", 1, QEMU_OPTION_parallel },
6165 { "loadvm", HAS_ARG, QEMU_OPTION_loadvm },
6166 { "full-screen", 0, QEMU_OPTION_full_screen },
6168 { "no-quit", 0, QEMU_OPTION_no_quit },
6170 { "pidfile", HAS_ARG, QEMU_OPTION_pidfile },
6171 { "win2k-hack", 0, QEMU_OPTION_win2k_hack },
6172 { "usbdevice", HAS_ARG, QEMU_OPTION_usbdevice },
6173 { "smp", HAS_ARG, QEMU_OPTION_smp },
6174 { "vnc", HAS_ARG, QEMU_OPTION_vnc },
6176 /* temporary options */
6177 { "usb", 0, QEMU_OPTION_usb },
6178 { "cirrusvga", 0, QEMU_OPTION_cirrusvga },
6179 { "no-acpi", 0, QEMU_OPTION_no_acpi },
6180 { "no-reboot", 0, QEMU_OPTION_no_reboot },
6184 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
6186 /* this stack is only used during signal handling */
6187 #define SIGNAL_STACK_SIZE 32768
6189 static uint8_t *signal_stack;
6193 /* password input */
6195 static BlockDriverState *get_bdrv(int index)
6197 BlockDriverState *bs;
6200 bs = bs_table[index];
6201 } else if (index < 6) {
6202 bs = fd_table[index - 4];
6209 static void read_passwords(void)
6211 BlockDriverState *bs;
6215 for(i = 0; i < 6; i++) {
6217 if (bs && bdrv_is_encrypted(bs)) {
6218 term_printf("%s is encrypted.\n", bdrv_get_device_name(bs));
6219 for(j = 0; j < 3; j++) {
6220 monitor_readline("Password: ",
6221 1, password, sizeof(password));
6222 if (bdrv_set_key(bs, password) == 0)
6224 term_printf("invalid password\n");
6230 /* XXX: currently we cannot use simultaneously different CPUs */
6231 void register_machines(void)
6233 #if defined(TARGET_I386)
6234 qemu_register_machine(&pc_machine);
6235 qemu_register_machine(&isapc_machine);
6236 #elif defined(TARGET_PPC)
6237 qemu_register_machine(&heathrow_machine);
6238 qemu_register_machine(&core99_machine);
6239 qemu_register_machine(&prep_machine);
6240 #elif defined(TARGET_MIPS)
6241 qemu_register_machine(&mips_machine);
6242 #elif defined(TARGET_SPARC)
6243 #ifdef TARGET_SPARC64
6244 qemu_register_machine(&sun4u_machine);
6246 qemu_register_machine(&sun4m_machine);
6248 #elif defined(TARGET_ARM)
6249 qemu_register_machine(&integratorcp926_machine);
6250 qemu_register_machine(&integratorcp1026_machine);
6251 qemu_register_machine(&versatilepb_machine);
6252 qemu_register_machine(&versatileab_machine);
6253 qemu_register_machine(&realview_machine);
6254 #elif defined(TARGET_SH4)
6255 qemu_register_machine(&shix_machine);
6257 #error unsupported CPU
6262 struct soundhw soundhw[] = {
6269 { .init_isa = pcspk_audio_init }
6274 "Creative Sound Blaster 16",
6277 { .init_isa = SB16_init }
6284 "Yamaha YMF262 (OPL3)",
6286 "Yamaha YM3812 (OPL2)",
6290 { .init_isa = Adlib_init }
6297 "Gravis Ultrasound GF1",
6300 { .init_isa = GUS_init }
6306 "ENSONIQ AudioPCI ES1370",
6309 { .init_pci = es1370_init }
6312 { NULL, NULL, 0, 0, { NULL } }
6315 static void select_soundhw (const char *optarg)
6319 if (*optarg == '?') {
6322 printf ("Valid sound card names (comma separated):\n");
6323 for (c = soundhw; c->name; ++c) {
6324 printf ("%-11s %s\n", c->name, c->descr);
6326 printf ("\n-soundhw all will enable all of the above\n");
6327 exit (*optarg != '?');
6335 if (!strcmp (optarg, "all")) {
6336 for (c = soundhw; c->name; ++c) {
6344 e = strchr (p, ',');
6345 l = !e ? strlen (p) : (size_t) (e - p);
6347 for (c = soundhw; c->name; ++c) {
6348 if (!strncmp (c->name, p, l)) {
6357 "Unknown sound card name (too big to show)\n");
6360 fprintf (stderr, "Unknown sound card name `%.*s'\n",
6365 p += l + (e != NULL);
6369 goto show_valid_cards;
6375 static BOOL WINAPI qemu_ctrl_handler(DWORD type)
6377 exit(STATUS_CONTROL_C_EXIT);
6382 #define MAX_NET_CLIENTS 32
6384 int main(int argc, char **argv)
6386 #ifdef CONFIG_GDBSTUB
6387 int use_gdbstub, gdbstub_port;
6390 int snapshot, linux_boot;
6391 const char *initrd_filename;
6392 const char *hd_filename[MAX_DISKS], *fd_filename[MAX_FD];
6393 const char *kernel_filename, *kernel_cmdline;
6394 DisplayState *ds = &display_state;
6395 int cyls, heads, secs, translation;
6396 int start_emulation = 1;
6397 char net_clients[MAX_NET_CLIENTS][256];
6400 const char *r, *optarg;
6401 CharDriverState *monitor_hd;
6402 char monitor_device[128];
6403 char serial_devices[MAX_SERIAL_PORTS][128];
6404 int serial_device_index;
6405 char parallel_devices[MAX_PARALLEL_PORTS][128];
6406 int parallel_device_index;
6407 const char *loadvm = NULL;
6408 QEMUMachine *machine;
6409 char usb_devices[MAX_USB_CMDLINE][128];
6410 int usb_devices_index;
6412 LIST_INIT (&vm_change_state_head);
6415 struct sigaction act;
6416 sigfillset(&act.sa_mask);
6418 act.sa_handler = SIG_IGN;
6419 sigaction(SIGPIPE, &act, NULL);
6422 SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE);
6423 /* Note: cpu_interrupt() is currently not SMP safe, so we force
6424 QEMU to run on a single CPU */
6429 h = GetCurrentProcess();
6430 if (GetProcessAffinityMask(h, &mask, &smask)) {
6431 for(i = 0; i < 32; i++) {
6432 if (mask & (1 << i))
6437 SetProcessAffinityMask(h, mask);
6443 register_machines();
6444 machine = first_machine;
6445 initrd_filename = NULL;
6446 for(i = 0; i < MAX_FD; i++)
6447 fd_filename[i] = NULL;
6448 for(i = 0; i < MAX_DISKS; i++)
6449 hd_filename[i] = NULL;
6450 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
6451 vga_ram_size = VGA_RAM_SIZE;
6452 bios_size = BIOS_SIZE;
6453 #ifdef CONFIG_GDBSTUB
6455 gdbstub_port = DEFAULT_GDBSTUB_PORT;
6459 kernel_filename = NULL;
6460 kernel_cmdline = "";
6466 cyls = heads = secs = 0;
6467 translation = BIOS_ATA_TRANSLATION_AUTO;
6468 pstrcpy(monitor_device, sizeof(monitor_device), "vc");
6470 pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "vc");
6471 for(i = 1; i < MAX_SERIAL_PORTS; i++)
6472 serial_devices[i][0] = '\0';
6473 serial_device_index = 0;
6475 pstrcpy(parallel_devices[0], sizeof(parallel_devices[0]), "vc");
6476 for(i = 1; i < MAX_PARALLEL_PORTS; i++)
6477 parallel_devices[i][0] = '\0';
6478 parallel_device_index = 0;
6480 usb_devices_index = 0;
6485 /* default mac address of the first network interface */
6493 hd_filename[0] = argv[optind++];
6495 const QEMUOption *popt;
6498 popt = qemu_options;
6501 fprintf(stderr, "%s: invalid option -- '%s'\n",
6505 if (!strcmp(popt->name, r + 1))
6509 if (popt->flags & HAS_ARG) {
6510 if (optind >= argc) {
6511 fprintf(stderr, "%s: option '%s' requires an argument\n",
6515 optarg = argv[optind++];
6520 switch(popt->index) {
6522 machine = find_machine(optarg);
6525 printf("Supported machines are:\n");
6526 for(m = first_machine; m != NULL; m = m->next) {
6527 printf("%-10s %s%s\n",
6529 m == first_machine ? " (default)" : "");
6534 case QEMU_OPTION_initrd:
6535 initrd_filename = optarg;
6537 case QEMU_OPTION_hda:
6538 case QEMU_OPTION_hdb:
6539 case QEMU_OPTION_hdc:
6540 case QEMU_OPTION_hdd:
6543 hd_index = popt->index - QEMU_OPTION_hda;
6544 hd_filename[hd_index] = optarg;
6545 if (hd_index == cdrom_index)
6549 case QEMU_OPTION_snapshot:
6552 case QEMU_OPTION_hdachs:
6556 cyls = strtol(p, (char **)&p, 0);
6557 if (cyls < 1 || cyls > 16383)
6562 heads = strtol(p, (char **)&p, 0);
6563 if (heads < 1 || heads > 16)
6568 secs = strtol(p, (char **)&p, 0);
6569 if (secs < 1 || secs > 63)
6573 if (!strcmp(p, "none"))
6574 translation = BIOS_ATA_TRANSLATION_NONE;
6575 else if (!strcmp(p, "lba"))
6576 translation = BIOS_ATA_TRANSLATION_LBA;
6577 else if (!strcmp(p, "auto"))
6578 translation = BIOS_ATA_TRANSLATION_AUTO;
6581 } else if (*p != '\0') {
6583 fprintf(stderr, "qemu: invalid physical CHS format\n");
6588 case QEMU_OPTION_nographic:
6589 pstrcpy(monitor_device, sizeof(monitor_device), "stdio");
6590 pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "stdio");
6593 case QEMU_OPTION_kernel:
6594 kernel_filename = optarg;
6596 case QEMU_OPTION_append:
6597 kernel_cmdline = optarg;
6599 case QEMU_OPTION_cdrom:
6600 if (cdrom_index >= 0) {
6601 hd_filename[cdrom_index] = optarg;
6604 case QEMU_OPTION_boot:
6605 boot_device = optarg[0];
6606 if (boot_device != 'a' &&
6609 boot_device != 'n' &&
6611 boot_device != 'c' && boot_device != 'd') {
6612 fprintf(stderr, "qemu: invalid boot device '%c'\n", boot_device);
6616 case QEMU_OPTION_fda:
6617 fd_filename[0] = optarg;
6619 case QEMU_OPTION_fdb:
6620 fd_filename[1] = optarg;
6623 case QEMU_OPTION_no_fd_bootchk:
6627 case QEMU_OPTION_no_code_copy:
6628 code_copy_enabled = 0;
6630 case QEMU_OPTION_net:
6631 if (nb_net_clients >= MAX_NET_CLIENTS) {
6632 fprintf(stderr, "qemu: too many network clients\n");
6635 pstrcpy(net_clients[nb_net_clients],
6636 sizeof(net_clients[0]),
6641 case QEMU_OPTION_tftp:
6642 tftp_prefix = optarg;
6645 case QEMU_OPTION_smb:
6646 net_slirp_smb(optarg);
6649 case QEMU_OPTION_redir:
6650 net_slirp_redir(optarg);
6654 case QEMU_OPTION_audio_help:
6658 case QEMU_OPTION_soundhw:
6659 select_soundhw (optarg);
6666 ram_size = atoi(optarg) * 1024 * 1024;
6669 if (ram_size > PHYS_RAM_MAX_SIZE) {
6670 fprintf(stderr, "qemu: at most %d MB RAM can be simulated\n",
6671 PHYS_RAM_MAX_SIZE / (1024 * 1024));
6680 mask = cpu_str_to_log_mask(optarg);
6682 printf("Log items (comma separated):\n");
6683 for(item = cpu_log_items; item->mask != 0; item++) {
6684 printf("%-10s %s\n", item->name, item->help);
6691 #ifdef CONFIG_GDBSTUB
6696 gdbstub_port = atoi(optarg);
6703 start_emulation = 0;
6706 keyboard_layout = optarg;
6708 case QEMU_OPTION_localtime:
6711 case QEMU_OPTION_cirrusvga:
6712 cirrus_vga_enabled = 1;
6714 case QEMU_OPTION_std_vga:
6715 cirrus_vga_enabled = 0;
6722 w = strtol(p, (char **)&p, 10);
6725 fprintf(stderr, "qemu: invalid resolution or depth\n");
6731 h = strtol(p, (char **)&p, 10);
6736 depth = strtol(p, (char **)&p, 10);
6737 if (depth != 8 && depth != 15 && depth != 16 &&
6738 depth != 24 && depth != 32)
6740 } else if (*p == '\0') {
6741 depth = graphic_depth;
6748 graphic_depth = depth;
6751 case QEMU_OPTION_monitor:
6752 pstrcpy(monitor_device, sizeof(monitor_device), optarg);
6754 case QEMU_OPTION_serial:
6755 if (serial_device_index >= MAX_SERIAL_PORTS) {
6756 fprintf(stderr, "qemu: too many serial ports\n");
6759 pstrcpy(serial_devices[serial_device_index],
6760 sizeof(serial_devices[0]), optarg);
6761 serial_device_index++;
6763 case QEMU_OPTION_parallel:
6764 if (parallel_device_index >= MAX_PARALLEL_PORTS) {
6765 fprintf(stderr, "qemu: too many parallel ports\n");
6768 pstrcpy(parallel_devices[parallel_device_index],
6769 sizeof(parallel_devices[0]), optarg);
6770 parallel_device_index++;
6772 case QEMU_OPTION_loadvm:
6775 case QEMU_OPTION_full_screen:
6779 case QEMU_OPTION_no_quit:
6783 case QEMU_OPTION_pidfile:
6784 create_pidfile(optarg);
6787 case QEMU_OPTION_win2k_hack:
6788 win2k_install_hack = 1;
6792 case QEMU_OPTION_no_kqemu:
6795 case QEMU_OPTION_kernel_kqemu:
6799 case QEMU_OPTION_usb:
6802 case QEMU_OPTION_usbdevice:
6804 if (usb_devices_index >= MAX_USB_CMDLINE) {
6805 fprintf(stderr, "Too many USB devices\n");
6808 pstrcpy(usb_devices[usb_devices_index],
6809 sizeof(usb_devices[usb_devices_index]),
6811 usb_devices_index++;
6813 case QEMU_OPTION_smp:
6814 smp_cpus = atoi(optarg);
6815 if (smp_cpus < 1 || smp_cpus > MAX_CPUS) {
6816 fprintf(stderr, "Invalid number of CPUs\n");
6820 case QEMU_OPTION_vnc:
6821 vnc_display = atoi(optarg);
6822 if (vnc_display < 0) {
6823 fprintf(stderr, "Invalid VNC display\n");
6827 case QEMU_OPTION_no_acpi:
6830 case QEMU_OPTION_no_reboot:
6841 linux_boot = (kernel_filename != NULL);
6844 hd_filename[0] == '\0' &&
6845 (cdrom_index >= 0 && hd_filename[cdrom_index] == '\0') &&
6846 fd_filename[0] == '\0')
6849 /* boot to cd by default if no hard disk */
6850 if (hd_filename[0] == '\0' && boot_device == 'c') {
6851 if (fd_filename[0] != '\0')
6857 setvbuf(stdout, NULL, _IOLBF, 0);
6867 /* init network clients */
6868 if (nb_net_clients == 0) {
6869 /* if no clients, we use a default config */
6870 pstrcpy(net_clients[0], sizeof(net_clients[0]),
6872 pstrcpy(net_clients[1], sizeof(net_clients[0]),
6877 for(i = 0;i < nb_net_clients; i++) {
6878 if (net_client_init(net_clients[i]) < 0)
6882 /* init the memory */
6883 phys_ram_size = ram_size + vga_ram_size + bios_size;
6885 phys_ram_base = qemu_vmalloc(phys_ram_size);
6886 if (!phys_ram_base) {
6887 fprintf(stderr, "Could not allocate physical memory\n");
6891 /* we always create the cdrom drive, even if no disk is there */
6893 if (cdrom_index >= 0) {
6894 bs_table[cdrom_index] = bdrv_new("cdrom");
6895 bdrv_set_type_hint(bs_table[cdrom_index], BDRV_TYPE_CDROM);
6898 /* open the virtual block devices */
6899 for(i = 0; i < MAX_DISKS; i++) {
6900 if (hd_filename[i]) {
6903 snprintf(buf, sizeof(buf), "hd%c", i + 'a');
6904 bs_table[i] = bdrv_new(buf);
6906 if (bdrv_open(bs_table[i], hd_filename[i], snapshot ? BDRV_O_SNAPSHOT : 0) < 0) {
6907 fprintf(stderr, "qemu: could not open hard disk image '%s'\n",
6911 if (i == 0 && cyls != 0) {
6912 bdrv_set_geometry_hint(bs_table[i], cyls, heads, secs);
6913 bdrv_set_translation_hint(bs_table[i], translation);
6918 /* we always create at least one floppy disk */
6919 fd_table[0] = bdrv_new("fda");
6920 bdrv_set_type_hint(fd_table[0], BDRV_TYPE_FLOPPY);
6922 for(i = 0; i < MAX_FD; i++) {
6923 if (fd_filename[i]) {
6926 snprintf(buf, sizeof(buf), "fd%c", i + 'a');
6927 fd_table[i] = bdrv_new(buf);
6928 bdrv_set_type_hint(fd_table[i], BDRV_TYPE_FLOPPY);
6930 if (fd_filename[i] != '\0') {
6931 if (bdrv_open(fd_table[i], fd_filename[i],
6932 snapshot ? BDRV_O_SNAPSHOT : 0) < 0) {
6933 fprintf(stderr, "qemu: could not open floppy disk image '%s'\n",
6941 register_savevm("timer", 0, 2, timer_save, timer_load, NULL);
6942 register_savevm("ram", 0, 2, ram_save, ram_load, NULL);
6948 dumb_display_init(ds);
6949 } else if (vnc_display != -1) {
6950 vnc_display_init(ds, vnc_display);
6952 #if defined(CONFIG_SDL)
6953 sdl_display_init(ds, full_screen);
6954 #elif defined(CONFIG_COCOA)
6955 cocoa_display_init(ds, full_screen);
6957 dumb_display_init(ds);
6961 monitor_hd = qemu_chr_open(monitor_device);
6963 fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device);
6966 monitor_init(monitor_hd, !nographic);
6968 for(i = 0; i < MAX_SERIAL_PORTS; i++) {
6969 const char *devname = serial_devices[i];
6970 if (devname[0] != '\0' && strcmp(devname, "none")) {
6971 serial_hds[i] = qemu_chr_open(devname);
6972 if (!serial_hds[i]) {
6973 fprintf(stderr, "qemu: could not open serial device '%s'\n",
6977 if (!strcmp(devname, "vc"))
6978 qemu_chr_printf(serial_hds[i], "serial%d console\r\n", i);
6982 for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
6983 const char *devname = parallel_devices[i];
6984 if (devname[0] != '\0' && strcmp(devname, "none")) {
6985 parallel_hds[i] = qemu_chr_open(devname);
6986 if (!parallel_hds[i]) {
6987 fprintf(stderr, "qemu: could not open parallel device '%s'\n",
6991 if (!strcmp(devname, "vc"))
6992 qemu_chr_printf(parallel_hds[i], "parallel%d console\r\n", i);
6996 machine->init(ram_size, vga_ram_size, boot_device,
6997 ds, fd_filename, snapshot,
6998 kernel_filename, kernel_cmdline, initrd_filename);
7000 /* init USB devices */
7002 for(i = 0; i < usb_devices_index; i++) {
7003 if (usb_device_add(usb_devices[i]) < 0) {
7004 fprintf(stderr, "Warning: could not add USB device %s\n",
7010 gui_timer = qemu_new_timer(rt_clock, gui_update, NULL);
7011 qemu_mod_timer(gui_timer, qemu_get_clock(rt_clock));
7013 #ifdef CONFIG_GDBSTUB
7015 if (gdbserver_start(gdbstub_port) < 0) {
7016 fprintf(stderr, "Could not open gdbserver socket on port %d\n",
7020 printf("Waiting gdb connection on port %d\n", gdbstub_port);
7028 /* XXX: simplify init */
7030 if (start_emulation) {