4 * Copyright (c) 2003-2005 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
34 #include <sys/times.h>
39 #include <sys/ioctl.h>
40 #include <sys/socket.h>
41 #include <netinet/in.h>
50 #include <linux/if_tun.h>
53 #include <linux/rtc.h>
57 #if defined(CONFIG_SLIRP)
63 #include <sys/timeb.h>
65 #define getopt_long_only getopt_long
66 #define memalign(align, size) malloc(size)
73 #endif /* CONFIG_SDL */
77 #define main qemu_main
78 #endif /* CONFIG_COCOA */
86 #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
88 //#define DEBUG_UNUSED_IOPORT
89 //#define DEBUG_IOPORT
91 #if !defined(CONFIG_SOFTMMU)
92 #define PHYS_RAM_MAX_SIZE (256 * 1024 * 1024)
94 #define PHYS_RAM_MAX_SIZE (2047 * 1024 * 1024)
98 #define DEFAULT_RAM_SIZE 144
100 #define DEFAULT_RAM_SIZE 128
103 #define GUI_REFRESH_INTERVAL 30
105 /* XXX: use a two level table to limit memory usage */
106 #define MAX_IOPORTS 65536
108 const char *bios_dir = CONFIG_QEMU_SHAREDIR;
109 char phys_ram_file[1024];
110 CPUState *global_env;
111 CPUState *cpu_single_env;
112 void *ioport_opaque[MAX_IOPORTS];
113 IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS];
114 IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS];
115 BlockDriverState *bs_table[MAX_DISKS], *fd_table[MAX_FD];
118 static DisplayState display_state;
120 const char* keyboard_layout = NULL;
121 int64_t ticks_per_sec;
122 int boot_device = 'c';
124 static char network_script[1024];
125 int pit_min_timer_count = 0;
127 NetDriverState nd_table[MAX_NICS];
128 QEMUTimer *gui_timer;
130 int audio_enabled = 0;
131 int sb16_enabled = 1;
132 int adlib_enabled = 1;
135 int prep_enabled = 0;
137 int cirrus_vga_enabled = 1;
139 int graphic_width = 1024;
140 int graphic_height = 768;
142 int graphic_width = 800;
143 int graphic_height = 600;
145 int graphic_depth = 15;
147 TextConsole *vga_console;
148 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
149 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
151 int win2k_install_hack = 0;
154 /***********************************************************/
155 /* x86 ISA bus support */
157 target_phys_addr_t isa_mem_base = 0;
160 uint32_t default_ioport_readb(void *opaque, uint32_t address)
162 #ifdef DEBUG_UNUSED_IOPORT
163 fprintf(stderr, "inb: port=0x%04x\n", address);
168 void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data)
170 #ifdef DEBUG_UNUSED_IOPORT
171 fprintf(stderr, "outb: port=0x%04x data=0x%02x\n", address, data);
175 /* default is to make two byte accesses */
176 uint32_t default_ioport_readw(void *opaque, uint32_t address)
179 data = ioport_read_table[0][address](ioport_opaque[address], address);
180 address = (address + 1) & (MAX_IOPORTS - 1);
181 data |= ioport_read_table[0][address](ioport_opaque[address], address) << 8;
185 void default_ioport_writew(void *opaque, uint32_t address, uint32_t data)
187 ioport_write_table[0][address](ioport_opaque[address], address, data & 0xff);
188 address = (address + 1) & (MAX_IOPORTS - 1);
189 ioport_write_table[0][address](ioport_opaque[address], address, (data >> 8) & 0xff);
192 uint32_t default_ioport_readl(void *opaque, uint32_t address)
194 #ifdef DEBUG_UNUSED_IOPORT
195 fprintf(stderr, "inl: port=0x%04x\n", address);
200 void default_ioport_writel(void *opaque, uint32_t address, uint32_t data)
202 #ifdef DEBUG_UNUSED_IOPORT
203 fprintf(stderr, "outl: port=0x%04x data=0x%02x\n", address, data);
207 void init_ioports(void)
211 for(i = 0; i < MAX_IOPORTS; i++) {
212 ioport_read_table[0][i] = default_ioport_readb;
213 ioport_write_table[0][i] = default_ioport_writeb;
214 ioport_read_table[1][i] = default_ioport_readw;
215 ioport_write_table[1][i] = default_ioport_writew;
216 ioport_read_table[2][i] = default_ioport_readl;
217 ioport_write_table[2][i] = default_ioport_writel;
221 /* size is the word size in byte */
222 int register_ioport_read(int start, int length, int size,
223 IOPortReadFunc *func, void *opaque)
229 } else if (size == 2) {
231 } else if (size == 4) {
234 hw_error("register_ioport_read: invalid size");
237 for(i = start; i < start + length; i += size) {
238 ioport_read_table[bsize][i] = func;
239 if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
240 hw_error("register_ioport_read: invalid opaque");
241 ioport_opaque[i] = opaque;
246 /* size is the word size in byte */
247 int register_ioport_write(int start, int length, int size,
248 IOPortWriteFunc *func, void *opaque)
254 } else if (size == 2) {
256 } else if (size == 4) {
259 hw_error("register_ioport_write: invalid size");
262 for(i = start; i < start + length; i += size) {
263 ioport_write_table[bsize][i] = func;
264 if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
265 hw_error("register_ioport_read: invalid opaque");
266 ioport_opaque[i] = opaque;
271 void isa_unassign_ioport(int start, int length)
275 for(i = start; i < start + length; i++) {
276 ioport_read_table[0][i] = default_ioport_readb;
277 ioport_read_table[1][i] = default_ioport_readw;
278 ioport_read_table[2][i] = default_ioport_readl;
280 ioport_write_table[0][i] = default_ioport_writeb;
281 ioport_write_table[1][i] = default_ioport_writew;
282 ioport_write_table[2][i] = default_ioport_writel;
286 /***********************************************************/
288 void pstrcpy(char *buf, int buf_size, const char *str)
298 if (c == 0 || q >= buf + buf_size - 1)
305 /* strcat and truncate. */
306 char *pstrcat(char *buf, int buf_size, const char *s)
311 pstrcpy(buf + len, buf_size - len, s);
315 int strstart(const char *str, const char *val, const char **ptr)
331 /* return the size or -1 if error */
332 int get_image_size(const char *filename)
335 fd = open(filename, O_RDONLY | O_BINARY);
338 size = lseek(fd, 0, SEEK_END);
343 /* return the size or -1 if error */
344 int load_image(const char *filename, uint8_t *addr)
347 fd = open(filename, O_RDONLY | O_BINARY);
350 size = lseek(fd, 0, SEEK_END);
351 lseek(fd, 0, SEEK_SET);
352 if (read(fd, addr, size) != size) {
360 void cpu_outb(CPUState *env, int addr, int val)
363 if (loglevel & CPU_LOG_IOPORT)
364 fprintf(logfile, "outb: %04x %02x\n", addr, val);
366 ioport_write_table[0][addr](ioport_opaque[addr], addr, val);
369 void cpu_outw(CPUState *env, int addr, int val)
372 if (loglevel & CPU_LOG_IOPORT)
373 fprintf(logfile, "outw: %04x %04x\n", addr, val);
375 ioport_write_table[1][addr](ioport_opaque[addr], addr, val);
378 void cpu_outl(CPUState *env, int addr, int val)
381 if (loglevel & CPU_LOG_IOPORT)
382 fprintf(logfile, "outl: %04x %08x\n", addr, val);
384 ioport_write_table[2][addr](ioport_opaque[addr], addr, val);
387 int cpu_inb(CPUState *env, int addr)
390 val = ioport_read_table[0][addr](ioport_opaque[addr], addr);
392 if (loglevel & CPU_LOG_IOPORT)
393 fprintf(logfile, "inb : %04x %02x\n", addr, val);
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);
409 int cpu_inl(CPUState *env, int addr)
412 val = ioport_read_table[2][addr](ioport_opaque[addr], addr);
414 if (loglevel & CPU_LOG_IOPORT)
415 fprintf(logfile, "inl : %04x %08x\n", addr, val);
420 /***********************************************************/
421 void hw_error(const char *fmt, ...)
426 fprintf(stderr, "qemu: hardware error: ");
427 vfprintf(stderr, fmt, ap);
428 fprintf(stderr, "\n");
430 cpu_dump_state(global_env, stderr, fprintf, X86_DUMP_FPU | X86_DUMP_CCOP);
432 cpu_dump_state(global_env, stderr, fprintf, 0);
438 /***********************************************************/
441 static QEMUPutKBDEvent *qemu_put_kbd_event;
442 static void *qemu_put_kbd_event_opaque;
443 static QEMUPutMouseEvent *qemu_put_mouse_event;
444 static void *qemu_put_mouse_event_opaque;
446 void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
448 qemu_put_kbd_event_opaque = opaque;
449 qemu_put_kbd_event = func;
452 void qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, void *opaque)
454 qemu_put_mouse_event_opaque = opaque;
455 qemu_put_mouse_event = func;
458 void kbd_put_keycode(int keycode)
460 if (qemu_put_kbd_event) {
461 qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode);
465 void kbd_mouse_event(int dx, int dy, int dz, int buttons_state)
467 if (qemu_put_mouse_event) {
468 qemu_put_mouse_event(qemu_put_mouse_event_opaque,
469 dx, dy, dz, buttons_state);
473 /***********************************************************/
476 #if defined(__powerpc__)
478 static inline uint32_t get_tbl(void)
481 asm volatile("mftb %0" : "=r" (tbl));
485 static inline uint32_t get_tbu(void)
488 asm volatile("mftbu %0" : "=r" (tbl));
492 int64_t cpu_get_real_ticks(void)
495 /* NOTE: we test if wrapping has occurred */
501 return ((int64_t)h << 32) | l;
504 #elif defined(__i386__)
506 int64_t cpu_get_real_ticks(void)
509 asm volatile ("rdtsc" : "=A" (val));
513 #elif defined(__x86_64__)
515 int64_t cpu_get_real_ticks(void)
519 asm volatile("rdtsc" : "=a" (low), "=d" (high));
526 #elif defined(__ia64)
528 int64_t cpu_get_real_ticks(void)
531 asm volatile ("mov %0 = ar.itc" : "=r"(val) :: "memory");
535 #elif defined(__s390__)
537 int64_t cpu_get_real_ticks(void)
540 asm volatile("stck 0(%1)" : "=m" (val) : "a" (&val) : "cc");
545 #error unsupported CPU
548 static int64_t cpu_ticks_offset;
549 static int cpu_ticks_enabled;
551 static inline int64_t cpu_get_ticks(void)
553 if (!cpu_ticks_enabled) {
554 return cpu_ticks_offset;
556 return cpu_get_real_ticks() + cpu_ticks_offset;
560 /* enable cpu_get_ticks() */
561 void cpu_enable_ticks(void)
563 if (!cpu_ticks_enabled) {
564 cpu_ticks_offset -= cpu_get_real_ticks();
565 cpu_ticks_enabled = 1;
569 /* disable cpu_get_ticks() : the clock is stopped. You must not call
570 cpu_get_ticks() after that. */
571 void cpu_disable_ticks(void)
573 if (cpu_ticks_enabled) {
574 cpu_ticks_offset = cpu_get_ticks();
575 cpu_ticks_enabled = 0;
579 static int64_t get_clock(void)
584 return ((int64_t)tb.time * 1000 + (int64_t)tb.millitm) * 1000;
587 gettimeofday(&tv, NULL);
588 return tv.tv_sec * 1000000LL + tv.tv_usec;
592 void cpu_calibrate_ticks(void)
597 ticks = cpu_get_real_ticks();
603 usec = get_clock() - usec;
604 ticks = cpu_get_real_ticks() - ticks;
605 ticks_per_sec = (ticks * 1000000LL + (usec >> 1)) / usec;
608 /* compute with 96 bit intermediate result: (a*b)/c */
609 uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
614 #ifdef WORDS_BIGENDIAN
624 rl = (uint64_t)u.l.low * (uint64_t)b;
625 rh = (uint64_t)u.l.high * (uint64_t)b;
628 res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
632 #define QEMU_TIMER_REALTIME 0
633 #define QEMU_TIMER_VIRTUAL 1
637 /* XXX: add frequency */
645 struct QEMUTimer *next;
651 static QEMUTimer *active_timers[2];
653 static MMRESULT timerID;
655 /* frequency of the times() clock tick */
656 static int timer_freq;
659 QEMUClock *qemu_new_clock(int type)
662 clock = qemu_mallocz(sizeof(QEMUClock));
669 QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque)
673 ts = qemu_mallocz(sizeof(QEMUTimer));
680 void qemu_free_timer(QEMUTimer *ts)
685 /* stop a timer, but do not dealloc it */
686 void qemu_del_timer(QEMUTimer *ts)
690 /* NOTE: this code must be signal safe because
691 qemu_timer_expired() can be called from a signal. */
692 pt = &active_timers[ts->clock->type];
705 /* modify the current timer so that it will be fired when current_time
706 >= expire_time. The corresponding callback will be called. */
707 void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time)
713 /* add the timer in the sorted list */
714 /* NOTE: this code must be signal safe because
715 qemu_timer_expired() can be called from a signal. */
716 pt = &active_timers[ts->clock->type];
721 if (t->expire_time > expire_time)
725 ts->expire_time = expire_time;
730 int qemu_timer_pending(QEMUTimer *ts)
733 for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) {
740 static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time)
744 return (timer_head->expire_time <= current_time);
747 static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time)
753 if (!ts || ts->expire_time > current_time)
755 /* remove timer from the list before calling the callback */
756 *ptimer_head = ts->next;
759 /* run the callback (the timer list can be modified) */
764 int64_t qemu_get_clock(QEMUClock *clock)
766 switch(clock->type) {
767 case QEMU_TIMER_REALTIME:
769 return GetTickCount();
774 /* Note that using gettimeofday() is not a good solution
775 for timers because its value change when the date is
777 if (timer_freq == 100) {
778 return times(&tp) * 10;
780 return ((int64_t)times(&tp) * 1000) / timer_freq;
785 case QEMU_TIMER_VIRTUAL:
786 return cpu_get_ticks();
791 void qemu_put_timer(QEMUFile *f, QEMUTimer *ts)
793 uint64_t expire_time;
795 if (qemu_timer_pending(ts)) {
796 expire_time = ts->expire_time;
800 qemu_put_be64(f, expire_time);
803 void qemu_get_timer(QEMUFile *f, QEMUTimer *ts)
805 uint64_t expire_time;
807 expire_time = qemu_get_be64(f);
808 if (expire_time != -1) {
809 qemu_mod_timer(ts, expire_time);
815 static void timer_save(QEMUFile *f, void *opaque)
817 if (cpu_ticks_enabled) {
818 hw_error("cannot save state if virtual timers are running");
820 qemu_put_be64s(f, &cpu_ticks_offset);
821 qemu_put_be64s(f, &ticks_per_sec);
824 static int timer_load(QEMUFile *f, void *opaque, int version_id)
828 if (cpu_ticks_enabled) {
831 qemu_get_be64s(f, &cpu_ticks_offset);
832 qemu_get_be64s(f, &ticks_per_sec);
837 void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg,
838 DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2)
840 static void host_alarm_handler(int host_signum)
844 #define DISP_FREQ 1000
846 static int64_t delta_min = INT64_MAX;
847 static int64_t delta_max, delta_cum, last_clock, delta, ti;
849 ti = qemu_get_clock(vm_clock);
850 if (last_clock != 0) {
851 delta = ti - last_clock;
852 if (delta < delta_min)
854 if (delta > delta_max)
857 if (++count == DISP_FREQ) {
858 printf("timer: min=%lld us max=%lld us avg=%lld us avg_freq=%0.3f Hz\n",
859 muldiv64(delta_min, 1000000, ticks_per_sec),
860 muldiv64(delta_max, 1000000, ticks_per_sec),
861 muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec),
862 (double)ticks_per_sec / ((double)delta_cum / DISP_FREQ));
864 delta_min = INT64_MAX;
872 if (qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL],
873 qemu_get_clock(vm_clock)) ||
874 qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME],
875 qemu_get_clock(rt_clock))) {
876 /* stop the cpu because a timer occured */
877 cpu_interrupt(global_env, CPU_INTERRUPT_EXIT);
879 if (global_env->kqemu_enabled) {
880 kqemu_cpu_interrupt(global_env);
888 #if defined(__linux__)
890 #define RTC_FREQ 1024
894 static int start_rtc_timer(void)
896 rtc_fd = open("/dev/rtc", O_RDONLY);
899 if (ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) {
900 fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
901 "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
902 "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
905 if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) {
910 pit_min_timer_count = PIT_FREQ / RTC_FREQ;
916 static int start_rtc_timer(void)
921 #endif /* !defined(__linux__) */
923 #endif /* !defined(_WIN32) */
925 static void init_timers(void)
927 rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME);
928 vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL);
933 timerID = timeSetEvent(10, // interval (ms)
935 host_alarm_handler, // function
936 (DWORD)&count, // user parameter
937 TIME_PERIODIC | TIME_CALLBACK_FUNCTION);
939 perror("failed timer alarm");
943 pit_min_timer_count = ((uint64_t)10000 * PIT_FREQ) / 1000000;
946 struct sigaction act;
947 struct itimerval itv;
949 /* get times() syscall frequency */
950 timer_freq = sysconf(_SC_CLK_TCK);
953 sigfillset(&act.sa_mask);
955 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
956 act.sa_flags |= SA_ONSTACK;
958 act.sa_handler = host_alarm_handler;
959 sigaction(SIGALRM, &act, NULL);
961 itv.it_interval.tv_sec = 0;
962 itv.it_interval.tv_usec = 999; /* for i386 kernel 2.6 to get 1 ms */
963 itv.it_value.tv_sec = 0;
964 itv.it_value.tv_usec = 10 * 1000;
965 setitimer(ITIMER_REAL, &itv, NULL);
966 /* we probe the tick duration of the kernel to inform the user if
967 the emulated kernel requested a too high timer frequency */
968 getitimer(ITIMER_REAL, &itv);
970 #if defined(__linux__)
971 if (itv.it_interval.tv_usec > 1000) {
972 /* try to use /dev/rtc to have a faster timer */
973 if (start_rtc_timer() < 0)
976 itv.it_interval.tv_sec = 0;
977 itv.it_interval.tv_usec = 0;
978 itv.it_value.tv_sec = 0;
979 itv.it_value.tv_usec = 0;
980 setitimer(ITIMER_REAL, &itv, NULL);
983 sigaction(SIGIO, &act, NULL);
984 fcntl(rtc_fd, F_SETFL, O_ASYNC);
985 fcntl(rtc_fd, F_SETOWN, getpid());
987 #endif /* defined(__linux__) */
990 pit_min_timer_count = ((uint64_t)itv.it_interval.tv_usec *
997 void quit_timers(void)
1000 timeKillEvent(timerID);
1004 /***********************************************************/
1005 /* character device */
1007 int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len)
1009 return s->chr_write(s, buf, len);
1012 void qemu_chr_printf(CharDriverState *s, const char *fmt, ...)
1017 vsnprintf(buf, sizeof(buf), fmt, ap);
1018 qemu_chr_write(s, buf, strlen(buf));
1022 void qemu_chr_send_event(CharDriverState *s, int event)
1024 if (s->chr_send_event)
1025 s->chr_send_event(s, event);
1028 void qemu_chr_add_read_handler(CharDriverState *s,
1029 IOCanRWHandler *fd_can_read,
1030 IOReadHandler *fd_read, void *opaque)
1032 s->chr_add_read_handler(s, fd_can_read, fd_read, opaque);
1035 void qemu_chr_add_event_handler(CharDriverState *s, IOEventHandler *chr_event)
1037 s->chr_event = chr_event;
1040 static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1045 static void null_chr_add_read_handler(CharDriverState *chr,
1046 IOCanRWHandler *fd_can_read,
1047 IOReadHandler *fd_read, void *opaque)
1051 CharDriverState *qemu_chr_open_null(void)
1053 CharDriverState *chr;
1055 chr = qemu_mallocz(sizeof(CharDriverState));
1058 chr->chr_write = null_chr_write;
1059 chr->chr_add_read_handler = null_chr_add_read_handler;
1067 /* for nographic stdio only */
1068 IOCanRWHandler *fd_can_read;
1069 IOReadHandler *fd_read;
1073 #define STDIO_MAX_CLIENTS 2
1075 static int stdio_nb_clients;
1076 static CharDriverState *stdio_clients[STDIO_MAX_CLIENTS];
1078 static int unix_write(int fd, const uint8_t *buf, int len1)
1084 ret = write(fd, buf, len);
1086 if (errno != EINTR && errno != EAGAIN)
1088 } else if (ret == 0) {
1098 static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1100 FDCharDriver *s = chr->opaque;
1101 return unix_write(s->fd_out, buf, len);
1104 static void fd_chr_add_read_handler(CharDriverState *chr,
1105 IOCanRWHandler *fd_can_read,
1106 IOReadHandler *fd_read, void *opaque)
1108 FDCharDriver *s = chr->opaque;
1110 if (nographic && s->fd_in == 0) {
1111 s->fd_can_read = fd_can_read;
1112 s->fd_read = fd_read;
1113 s->fd_opaque = opaque;
1115 qemu_add_fd_read_handler(s->fd_in, fd_can_read, fd_read, opaque);
1119 /* open a character device to a unix fd */
1120 CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out)
1122 CharDriverState *chr;
1125 chr = qemu_mallocz(sizeof(CharDriverState));
1128 s = qemu_mallocz(sizeof(FDCharDriver));
1136 chr->chr_write = fd_chr_write;
1137 chr->chr_add_read_handler = fd_chr_add_read_handler;
1141 /* for STDIO, we handle the case where several clients use it
1144 #define TERM_ESCAPE 0x01 /* ctrl-a is used for escape */
1146 #define TERM_FIFO_MAX_SIZE 1
1148 static int term_got_escape, client_index;
1149 static uint8_t term_fifo[TERM_FIFO_MAX_SIZE];
1152 void term_print_help(void)
1155 "C-a h print this help\n"
1156 "C-a x exit emulator\n"
1157 "C-a s save disk data back to file (if -snapshot)\n"
1158 "C-a b send break (magic sysrq)\n"
1159 "C-a c switch between console and monitor\n"
1160 "C-a C-a send C-a\n"
1164 /* called when a char is received */
1165 static void stdio_received_byte(int ch)
1167 if (term_got_escape) {
1168 term_got_escape = 0;
1179 for (i = 0; i < MAX_DISKS; i++) {
1181 bdrv_commit(bs_table[i]);
1186 if (client_index < stdio_nb_clients) {
1187 CharDriverState *chr;
1190 chr = stdio_clients[client_index];
1192 chr->chr_event(s->fd_opaque, CHR_EVENT_BREAK);
1197 if (client_index >= stdio_nb_clients)
1199 if (client_index == 0) {
1200 /* send a new line in the monitor to get the prompt */
1208 } else if (ch == TERM_ESCAPE) {
1209 term_got_escape = 1;
1212 if (client_index < stdio_nb_clients) {
1214 CharDriverState *chr;
1217 chr = stdio_clients[client_index];
1219 if (s->fd_can_read(s->fd_opaque) > 0) {
1221 s->fd_read(s->fd_opaque, buf, 1);
1222 } else if (term_fifo_size == 0) {
1223 term_fifo[term_fifo_size++] = ch;
1229 static int stdio_can_read(void *opaque)
1231 CharDriverState *chr;
1234 if (client_index < stdio_nb_clients) {
1235 chr = stdio_clients[client_index];
1237 /* try to flush the queue if needed */
1238 if (term_fifo_size != 0 && s->fd_can_read(s->fd_opaque) > 0) {
1239 s->fd_read(s->fd_opaque, term_fifo, 1);
1242 /* see if we can absorb more chars */
1243 if (term_fifo_size == 0)
1252 static void stdio_read(void *opaque, const uint8_t *buf, int size)
1255 for(i = 0; i < size; i++)
1256 stdio_received_byte(buf[i]);
1259 /* init terminal so that we can grab keys */
1260 static struct termios oldtty;
1261 static int old_fd0_flags;
1263 static void term_exit(void)
1265 tcsetattr (0, TCSANOW, &oldtty);
1266 fcntl(0, F_SETFL, old_fd0_flags);
1269 static void term_init(void)
1273 tcgetattr (0, &tty);
1275 old_fd0_flags = fcntl(0, F_GETFL);
1277 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
1278 |INLCR|IGNCR|ICRNL|IXON);
1279 tty.c_oflag |= OPOST;
1280 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
1281 /* if graphical mode, we allow Ctrl-C handling */
1283 tty.c_lflag &= ~ISIG;
1284 tty.c_cflag &= ~(CSIZE|PARENB);
1287 tty.c_cc[VTIME] = 0;
1289 tcsetattr (0, TCSANOW, &tty);
1293 fcntl(0, F_SETFL, O_NONBLOCK);
1296 CharDriverState *qemu_chr_open_stdio(void)
1298 CharDriverState *chr;
1301 if (stdio_nb_clients >= STDIO_MAX_CLIENTS)
1303 chr = qemu_chr_open_fd(0, 1);
1304 if (stdio_nb_clients == 0)
1305 qemu_add_fd_read_handler(0, stdio_can_read, stdio_read, NULL);
1306 client_index = stdio_nb_clients;
1308 if (stdio_nb_clients != 0)
1310 chr = qemu_chr_open_fd(0, 1);
1312 stdio_clients[stdio_nb_clients++] = chr;
1313 if (stdio_nb_clients == 1) {
1314 /* set the terminal in raw mode */
1320 #if defined(__linux__)
1321 CharDriverState *qemu_chr_open_pty(void)
1323 char slave_name[1024];
1324 int master_fd, slave_fd;
1326 /* Not satisfying */
1327 if (openpty(&master_fd, &slave_fd, slave_name, NULL, NULL) < 0) {
1330 fprintf(stderr, "char device redirected to %s\n", slave_name);
1331 return qemu_chr_open_fd(master_fd, master_fd);
1334 CharDriverState *qemu_chr_open_pty(void)
1340 #endif /* !defined(_WIN32) */
1342 CharDriverState *qemu_chr_open(const char *filename)
1344 if (!strcmp(filename, "vc")) {
1345 return text_console_init(&display_state);
1346 } else if (!strcmp(filename, "null")) {
1347 return qemu_chr_open_null();
1350 if (!strcmp(filename, "pty")) {
1351 return qemu_chr_open_pty();
1352 } else if (!strcmp(filename, "stdio")) {
1353 return qemu_chr_open_stdio();
1361 /***********************************************************/
1362 /* Linux network device redirectors */
1364 void hex_dump(FILE *f, const uint8_t *buf, int size)
1368 for(i=0;i<size;i+=16) {
1372 fprintf(f, "%08x ", i);
1375 fprintf(f, " %02x", buf[i+j]);
1380 for(j=0;j<len;j++) {
1382 if (c < ' ' || c > '~')
1384 fprintf(f, "%c", c);
1390 void qemu_send_packet(NetDriverState *nd, const uint8_t *buf, int size)
1392 nd->send_packet(nd, buf, size);
1395 void qemu_add_read_packet(NetDriverState *nd, IOCanRWHandler *fd_can_read,
1396 IOReadHandler *fd_read, void *opaque)
1398 nd->add_read_packet(nd, fd_can_read, fd_read, opaque);
1401 /* dummy network adapter */
1403 static void dummy_send_packet(NetDriverState *nd, const uint8_t *buf, int size)
1407 static void dummy_add_read_packet(NetDriverState *nd,
1408 IOCanRWHandler *fd_can_read,
1409 IOReadHandler *fd_read, void *opaque)
1413 static int net_dummy_init(NetDriverState *nd)
1415 nd->send_packet = dummy_send_packet;
1416 nd->add_read_packet = dummy_add_read_packet;
1417 pstrcpy(nd->ifname, sizeof(nd->ifname), "dummy");
1421 #if defined(CONFIG_SLIRP)
1423 /* slirp network adapter */
1425 static void *slirp_fd_opaque;
1426 static IOCanRWHandler *slirp_fd_can_read;
1427 static IOReadHandler *slirp_fd_read;
1428 static int slirp_inited;
1430 int slirp_can_output(void)
1432 return slirp_fd_can_read(slirp_fd_opaque);
1435 void slirp_output(const uint8_t *pkt, int pkt_len)
1438 printf("output:\n");
1439 hex_dump(stdout, pkt, pkt_len);
1441 slirp_fd_read(slirp_fd_opaque, pkt, pkt_len);
1444 static void slirp_send_packet(NetDriverState *nd, const uint8_t *buf, int size)
1448 hex_dump(stdout, buf, size);
1450 slirp_input(buf, size);
1453 static void slirp_add_read_packet(NetDriverState *nd,
1454 IOCanRWHandler *fd_can_read,
1455 IOReadHandler *fd_read, void *opaque)
1457 slirp_fd_opaque = opaque;
1458 slirp_fd_can_read = fd_can_read;
1459 slirp_fd_read = fd_read;
1462 static int net_slirp_init(NetDriverState *nd)
1464 if (!slirp_inited) {
1468 nd->send_packet = slirp_send_packet;
1469 nd->add_read_packet = slirp_add_read_packet;
1470 pstrcpy(nd->ifname, sizeof(nd->ifname), "slirp");
1474 static int get_str_sep(char *buf, int buf_size, const char **pp, int sep)
1479 p1 = strchr(p, sep);
1485 if (len > buf_size - 1)
1487 memcpy(buf, p, len);
1494 static void net_slirp_redir(const char *redir_str)
1499 struct in_addr guest_addr;
1500 int host_port, guest_port;
1502 if (!slirp_inited) {
1508 if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
1510 if (!strcmp(buf, "tcp")) {
1512 } else if (!strcmp(buf, "udp")) {
1518 if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
1520 host_port = strtol(buf, &r, 0);
1524 if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
1526 if (buf[0] == '\0') {
1527 pstrcpy(buf, sizeof(buf), "10.0.2.15");
1529 if (!inet_aton(buf, &guest_addr))
1532 guest_port = strtol(p, &r, 0);
1536 if (slirp_redir(is_udp, host_port, guest_addr, guest_port) < 0) {
1537 fprintf(stderr, "qemu: could not set up redirection\n");
1542 fprintf(stderr, "qemu: syntax: -redir [tcp|udp]:host-port:[guest-host]:guest-port\n");
1550 static void smb_exit(void)
1554 char filename[1024];
1556 /* erase all the files in the directory */
1557 d = opendir(smb_dir);
1562 if (strcmp(de->d_name, ".") != 0 &&
1563 strcmp(de->d_name, "..") != 0) {
1564 snprintf(filename, sizeof(filename), "%s/%s",
1565 smb_dir, de->d_name);
1573 /* automatic user mode samba server configuration */
1574 void net_slirp_smb(const char *exported_dir)
1576 char smb_conf[1024];
1577 char smb_cmdline[1024];
1580 if (!slirp_inited) {
1585 /* XXX: better tmp dir construction */
1586 snprintf(smb_dir, sizeof(smb_dir), "/tmp/qemu-smb.%d", getpid());
1587 if (mkdir(smb_dir, 0700) < 0) {
1588 fprintf(stderr, "qemu: could not create samba server dir '%s'\n", smb_dir);
1591 snprintf(smb_conf, sizeof(smb_conf), "%s/%s", smb_dir, "smb.conf");
1593 f = fopen(smb_conf, "w");
1595 fprintf(stderr, "qemu: could not create samba server configuration file '%s'\n", smb_conf);
1602 "socket address=127.0.0.1\n"
1603 "pid directory=%s\n"
1604 "lock directory=%s\n"
1605 "log file=%s/log.smbd\n"
1606 "smb passwd file=%s/smbpasswd\n"
1607 "security = share\n"
1622 snprintf(smb_cmdline, sizeof(smb_cmdline), "/usr/sbin/smbd -s %s",
1625 slirp_add_exec(0, smb_cmdline, 4, 139);
1628 #endif /* !defined(_WIN32) */
1630 #endif /* CONFIG_SLIRP */
1632 #if !defined(_WIN32)
1634 static int tun_open(char *ifname, int ifname_size)
1640 fd = open("/dev/tap", O_RDWR);
1642 fprintf(stderr, "warning: could not open /dev/tap: no virtual network emulation\n");
1647 dev = devname(s.st_rdev, S_IFCHR);
1648 pstrcpy(ifname, ifname_size, dev);
1650 fcntl(fd, F_SETFL, O_NONBLOCK);
1654 static int tun_open(char *ifname, int ifname_size)
1659 fd = open("/dev/net/tun", O_RDWR);
1661 fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n");
1664 memset(&ifr, 0, sizeof(ifr));
1665 ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
1666 pstrcpy(ifr.ifr_name, IFNAMSIZ, "tun%d");
1667 ret = ioctl(fd, TUNSETIFF, (void *) &ifr);
1669 fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n");
1673 printf("Connected to host network interface: %s\n", ifr.ifr_name);
1674 pstrcpy(ifname, ifname_size, ifr.ifr_name);
1675 fcntl(fd, F_SETFL, O_NONBLOCK);
1680 static void tun_send_packet(NetDriverState *nd, const uint8_t *buf, int size)
1682 write(nd->fd, buf, size);
1685 static void tun_add_read_packet(NetDriverState *nd,
1686 IOCanRWHandler *fd_can_read,
1687 IOReadHandler *fd_read, void *opaque)
1689 qemu_add_fd_read_handler(nd->fd, fd_can_read, fd_read, opaque);
1692 static int net_tun_init(NetDriverState *nd)
1698 nd->fd = tun_open(nd->ifname, sizeof(nd->ifname));
1702 /* try to launch network init script */
1707 *parg++ = network_script;
1708 *parg++ = nd->ifname;
1710 execv(network_script, args);
1713 while (waitpid(pid, &status, 0) != pid);
1714 if (!WIFEXITED(status) ||
1715 WEXITSTATUS(status) != 0) {
1716 fprintf(stderr, "%s: could not launch network script\n",
1720 nd->send_packet = tun_send_packet;
1721 nd->add_read_packet = tun_add_read_packet;
1725 static int net_fd_init(NetDriverState *nd, int fd)
1728 nd->send_packet = tun_send_packet;
1729 nd->add_read_packet = tun_add_read_packet;
1730 pstrcpy(nd->ifname, sizeof(nd->ifname), "tunfd");
1734 #endif /* !_WIN32 */
1736 /***********************************************************/
1739 static char *pid_filename;
1741 /* Remove PID file. Called on normal exit */
1743 static void remove_pidfile(void)
1745 unlink (pid_filename);
1748 static void create_pidfile(const char *filename)
1750 struct stat pidstat;
1753 /* Try to write our PID to the named file */
1754 if (stat(filename, &pidstat) < 0) {
1755 if (errno == ENOENT) {
1756 if ((f = fopen (filename, "w")) == NULL) {
1757 perror("Opening pidfile");
1760 fprintf(f, "%d\n", getpid());
1762 pid_filename = qemu_strdup(filename);
1763 if (!pid_filename) {
1764 fprintf(stderr, "Could not save PID filename");
1767 atexit(remove_pidfile);
1770 fprintf(stderr, "%s already exists. Remove it and try again.\n",
1776 /***********************************************************/
1779 static void dumb_update(DisplayState *ds, int x, int y, int w, int h)
1783 static void dumb_resize(DisplayState *ds, int w, int h)
1787 static void dumb_refresh(DisplayState *ds)
1789 vga_update_display();
1792 void dumb_display_init(DisplayState *ds)
1797 ds->dpy_update = dumb_update;
1798 ds->dpy_resize = dumb_resize;
1799 ds->dpy_refresh = dumb_refresh;
1802 #if !defined(CONFIG_SOFTMMU)
1803 /***********************************************************/
1804 /* cpu signal handler */
1805 static void host_segv_handler(int host_signum, siginfo_t *info,
1808 if (cpu_signal_handler(host_signum, info, puc))
1810 if (stdio_nb_clients > 0)
1816 /***********************************************************/
1819 #define MAX_IO_HANDLERS 64
1821 typedef struct IOHandlerRecord {
1823 IOCanRWHandler *fd_can_read;
1824 IOReadHandler *fd_read;
1826 /* temporary data */
1829 struct IOHandlerRecord *next;
1832 static IOHandlerRecord *first_io_handler;
1834 int qemu_add_fd_read_handler(int fd, IOCanRWHandler *fd_can_read,
1835 IOReadHandler *fd_read, void *opaque)
1837 IOHandlerRecord *ioh;
1839 ioh = qemu_mallocz(sizeof(IOHandlerRecord));
1843 ioh->fd_can_read = fd_can_read;
1844 ioh->fd_read = fd_read;
1845 ioh->opaque = opaque;
1846 ioh->next = first_io_handler;
1847 first_io_handler = ioh;
1851 void qemu_del_fd_read_handler(int fd)
1853 IOHandlerRecord **pioh, *ioh;
1855 pioh = &first_io_handler;
1860 if (ioh->fd == fd) {
1868 /***********************************************************/
1869 /* savevm/loadvm support */
1871 void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size)
1873 fwrite(buf, 1, size, f);
1876 void qemu_put_byte(QEMUFile *f, int v)
1881 void qemu_put_be16(QEMUFile *f, unsigned int v)
1883 qemu_put_byte(f, v >> 8);
1884 qemu_put_byte(f, v);
1887 void qemu_put_be32(QEMUFile *f, unsigned int v)
1889 qemu_put_byte(f, v >> 24);
1890 qemu_put_byte(f, v >> 16);
1891 qemu_put_byte(f, v >> 8);
1892 qemu_put_byte(f, v);
1895 void qemu_put_be64(QEMUFile *f, uint64_t v)
1897 qemu_put_be32(f, v >> 32);
1898 qemu_put_be32(f, v);
1901 int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size)
1903 return fread(buf, 1, size, f);
1906 int qemu_get_byte(QEMUFile *f)
1916 unsigned int qemu_get_be16(QEMUFile *f)
1919 v = qemu_get_byte(f) << 8;
1920 v |= qemu_get_byte(f);
1924 unsigned int qemu_get_be32(QEMUFile *f)
1927 v = qemu_get_byte(f) << 24;
1928 v |= qemu_get_byte(f) << 16;
1929 v |= qemu_get_byte(f) << 8;
1930 v |= qemu_get_byte(f);
1934 uint64_t qemu_get_be64(QEMUFile *f)
1937 v = (uint64_t)qemu_get_be32(f) << 32;
1938 v |= qemu_get_be32(f);
1942 int64_t qemu_ftell(QEMUFile *f)
1947 int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence)
1949 if (fseek(f, pos, whence) < 0)
1954 typedef struct SaveStateEntry {
1958 SaveStateHandler *save_state;
1959 LoadStateHandler *load_state;
1961 struct SaveStateEntry *next;
1964 static SaveStateEntry *first_se;
1966 int register_savevm(const char *idstr,
1969 SaveStateHandler *save_state,
1970 LoadStateHandler *load_state,
1973 SaveStateEntry *se, **pse;
1975 se = qemu_malloc(sizeof(SaveStateEntry));
1978 pstrcpy(se->idstr, sizeof(se->idstr), idstr);
1979 se->instance_id = instance_id;
1980 se->version_id = version_id;
1981 se->save_state = save_state;
1982 se->load_state = load_state;
1983 se->opaque = opaque;
1986 /* add at the end of list */
1988 while (*pse != NULL)
1989 pse = &(*pse)->next;
1994 #define QEMU_VM_FILE_MAGIC 0x5145564d
1995 #define QEMU_VM_FILE_VERSION 0x00000001
1997 int qemu_savevm(const char *filename)
2001 int len, len_pos, cur_pos, saved_vm_running, ret;
2003 saved_vm_running = vm_running;
2006 f = fopen(filename, "wb");
2012 qemu_put_be32(f, QEMU_VM_FILE_MAGIC);
2013 qemu_put_be32(f, QEMU_VM_FILE_VERSION);
2015 for(se = first_se; se != NULL; se = se->next) {
2017 len = strlen(se->idstr);
2018 qemu_put_byte(f, len);
2019 qemu_put_buffer(f, se->idstr, len);
2021 qemu_put_be32(f, se->instance_id);
2022 qemu_put_be32(f, se->version_id);
2024 /* record size: filled later */
2026 qemu_put_be32(f, 0);
2028 se->save_state(f, se->opaque);
2030 /* fill record size */
2032 len = ftell(f) - len_pos - 4;
2033 fseek(f, len_pos, SEEK_SET);
2034 qemu_put_be32(f, len);
2035 fseek(f, cur_pos, SEEK_SET);
2041 if (saved_vm_running)
2046 static SaveStateEntry *find_se(const char *idstr, int instance_id)
2050 for(se = first_se; se != NULL; se = se->next) {
2051 if (!strcmp(se->idstr, idstr) &&
2052 instance_id == se->instance_id)
2058 int qemu_loadvm(const char *filename)
2062 int len, cur_pos, ret, instance_id, record_len, version_id;
2063 int saved_vm_running;
2067 saved_vm_running = vm_running;
2070 f = fopen(filename, "rb");
2076 v = qemu_get_be32(f);
2077 if (v != QEMU_VM_FILE_MAGIC)
2079 v = qemu_get_be32(f);
2080 if (v != QEMU_VM_FILE_VERSION) {
2087 #if defined (DO_TB_FLUSH)
2088 tb_flush(global_env);
2090 len = qemu_get_byte(f);
2093 qemu_get_buffer(f, idstr, len);
2095 instance_id = qemu_get_be32(f);
2096 version_id = qemu_get_be32(f);
2097 record_len = qemu_get_be32(f);
2099 printf("idstr=%s instance=0x%x version=%d len=%d\n",
2100 idstr, instance_id, version_id, record_len);
2103 se = find_se(idstr, instance_id);
2105 fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n",
2106 instance_id, idstr);
2108 ret = se->load_state(f, se->opaque, version_id);
2110 fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n",
2111 instance_id, idstr);
2114 /* always seek to exact end of record */
2115 qemu_fseek(f, cur_pos + record_len, SEEK_SET);
2120 if (saved_vm_running)
2125 /***********************************************************/
2126 /* cpu save/restore */
2128 #if defined(TARGET_I386)
2130 static void cpu_put_seg(QEMUFile *f, SegmentCache *dt)
2132 qemu_put_be32(f, dt->selector);
2133 qemu_put_betl(f, dt->base);
2134 qemu_put_be32(f, dt->limit);
2135 qemu_put_be32(f, dt->flags);
2138 static void cpu_get_seg(QEMUFile *f, SegmentCache *dt)
2140 dt->selector = qemu_get_be32(f);
2141 dt->base = qemu_get_betl(f);
2142 dt->limit = qemu_get_be32(f);
2143 dt->flags = qemu_get_be32(f);
2146 void cpu_save(QEMUFile *f, void *opaque)
2148 CPUState *env = opaque;
2149 uint16_t fptag, fpus, fpuc, fpregs_format;
2153 for(i = 0; i < CPU_NB_REGS; i++)
2154 qemu_put_betls(f, &env->regs[i]);
2155 qemu_put_betls(f, &env->eip);
2156 qemu_put_betls(f, &env->eflags);
2157 hflags = env->hflags; /* XXX: suppress most of the redundant hflags */
2158 qemu_put_be32s(f, &hflags);
2162 fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11;
2164 for(i = 0; i < 8; i++) {
2165 fptag |= ((!env->fptags[i]) << i);
2168 qemu_put_be16s(f, &fpuc);
2169 qemu_put_be16s(f, &fpus);
2170 qemu_put_be16s(f, &fptag);
2172 #ifdef USE_X86LDOUBLE
2177 qemu_put_be16s(f, &fpregs_format);
2179 for(i = 0; i < 8; i++) {
2180 #ifdef USE_X86LDOUBLE
2184 /* we save the real CPU data (in case of MMX usage only 'mant'
2185 contains the MMX register */
2186 cpu_get_fp80(&mant, &exp, env->fpregs[i].d);
2187 qemu_put_be64(f, mant);
2188 qemu_put_be16(f, exp);
2191 /* if we use doubles for float emulation, we save the doubles to
2192 avoid losing information in case of MMX usage. It can give
2193 problems if the image is restored on a CPU where long
2194 doubles are used instead. */
2195 qemu_put_be64(f, env->fpregs[i].mmx.MMX_Q(0));
2199 for(i = 0; i < 6; i++)
2200 cpu_put_seg(f, &env->segs[i]);
2201 cpu_put_seg(f, &env->ldt);
2202 cpu_put_seg(f, &env->tr);
2203 cpu_put_seg(f, &env->gdt);
2204 cpu_put_seg(f, &env->idt);
2206 qemu_put_be32s(f, &env->sysenter_cs);
2207 qemu_put_be32s(f, &env->sysenter_esp);
2208 qemu_put_be32s(f, &env->sysenter_eip);
2210 qemu_put_betls(f, &env->cr[0]);
2211 qemu_put_betls(f, &env->cr[2]);
2212 qemu_put_betls(f, &env->cr[3]);
2213 qemu_put_betls(f, &env->cr[4]);
2215 for(i = 0; i < 8; i++)
2216 qemu_put_betls(f, &env->dr[i]);
2219 qemu_put_be32s(f, &env->a20_mask);
2222 qemu_put_be32s(f, &env->mxcsr);
2223 for(i = 0; i < CPU_NB_REGS; i++) {
2224 qemu_put_be64s(f, &env->xmm_regs[i].XMM_Q(0));
2225 qemu_put_be64s(f, &env->xmm_regs[i].XMM_Q(1));
2228 #ifdef TARGET_X86_64
2229 qemu_put_be64s(f, &env->efer);
2230 qemu_put_be64s(f, &env->star);
2231 qemu_put_be64s(f, &env->lstar);
2232 qemu_put_be64s(f, &env->cstar);
2233 qemu_put_be64s(f, &env->fmask);
2234 qemu_put_be64s(f, &env->kernelgsbase);
2238 #ifdef USE_X86LDOUBLE
2239 /* XXX: add that in a FPU generic layer */
2240 union x86_longdouble {
2245 #define MANTD1(fp) (fp & ((1LL << 52) - 1))
2246 #define EXPBIAS1 1023
2247 #define EXPD1(fp) ((fp >> 52) & 0x7FF)
2248 #define SIGND1(fp) ((fp >> 32) & 0x80000000)
2250 static void fp64_to_fp80(union x86_longdouble *p, uint64_t temp)
2254 p->mant = (MANTD1(temp) << 11) | (1LL << 63);
2255 /* exponent + sign */
2256 e = EXPD1(temp) - EXPBIAS1 + 16383;
2257 e |= SIGND1(temp) >> 16;
2262 int cpu_load(QEMUFile *f, void *opaque, int version_id)
2264 CPUState *env = opaque;
2267 uint16_t fpus, fpuc, fptag, fpregs_format;
2269 if (version_id != 3)
2271 for(i = 0; i < CPU_NB_REGS; i++)
2272 qemu_get_betls(f, &env->regs[i]);
2273 qemu_get_betls(f, &env->eip);
2274 qemu_get_betls(f, &env->eflags);
2275 qemu_get_be32s(f, &hflags);
2277 qemu_get_be16s(f, &fpuc);
2278 qemu_get_be16s(f, &fpus);
2279 qemu_get_be16s(f, &fptag);
2280 qemu_get_be16s(f, &fpregs_format);
2282 /* NOTE: we cannot always restore the FPU state if the image come
2283 from a host with a different 'USE_X86LDOUBLE' define. We guess
2284 if we are in an MMX state to restore correctly in that case. */
2285 guess_mmx = ((fptag == 0xff) && (fpus & 0x3800) == 0);
2286 for(i = 0; i < 8; i++) {
2290 switch(fpregs_format) {
2292 mant = qemu_get_be64(f);
2293 exp = qemu_get_be16(f);
2294 #ifdef USE_X86LDOUBLE
2295 env->fpregs[i].d = cpu_set_fp80(mant, exp);
2297 /* difficult case */
2299 env->fpregs[i].mmx.MMX_Q(0) = mant;
2301 env->fpregs[i].d = cpu_set_fp80(mant, exp);
2305 mant = qemu_get_be64(f);
2306 #ifdef USE_X86LDOUBLE
2308 union x86_longdouble *p;
2309 /* difficult case */
2310 p = (void *)&env->fpregs[i];
2315 fp64_to_fp80(p, mant);
2319 env->fpregs[i].mmx.MMX_Q(0) = mant;
2328 /* XXX: restore FPU round state */
2329 env->fpstt = (fpus >> 11) & 7;
2330 env->fpus = fpus & ~0x3800;
2332 for(i = 0; i < 8; i++) {
2333 env->fptags[i] = (fptag >> i) & 1;
2336 for(i = 0; i < 6; i++)
2337 cpu_get_seg(f, &env->segs[i]);
2338 cpu_get_seg(f, &env->ldt);
2339 cpu_get_seg(f, &env->tr);
2340 cpu_get_seg(f, &env->gdt);
2341 cpu_get_seg(f, &env->idt);
2343 qemu_get_be32s(f, &env->sysenter_cs);
2344 qemu_get_be32s(f, &env->sysenter_esp);
2345 qemu_get_be32s(f, &env->sysenter_eip);
2347 qemu_get_betls(f, &env->cr[0]);
2348 qemu_get_betls(f, &env->cr[2]);
2349 qemu_get_betls(f, &env->cr[3]);
2350 qemu_get_betls(f, &env->cr[4]);
2352 for(i = 0; i < 8; i++)
2353 qemu_get_betls(f, &env->dr[i]);
2356 qemu_get_be32s(f, &env->a20_mask);
2358 qemu_get_be32s(f, &env->mxcsr);
2359 for(i = 0; i < CPU_NB_REGS; i++) {
2360 qemu_get_be64s(f, &env->xmm_regs[i].XMM_Q(0));
2361 qemu_get_be64s(f, &env->xmm_regs[i].XMM_Q(1));
2364 #ifdef TARGET_X86_64
2365 qemu_get_be64s(f, &env->efer);
2366 qemu_get_be64s(f, &env->star);
2367 qemu_get_be64s(f, &env->lstar);
2368 qemu_get_be64s(f, &env->cstar);
2369 qemu_get_be64s(f, &env->fmask);
2370 qemu_get_be64s(f, &env->kernelgsbase);
2373 /* XXX: compute hflags from scratch, except for CPL and IIF */
2374 env->hflags = hflags;
2379 #elif defined(TARGET_PPC)
2380 void cpu_save(QEMUFile *f, void *opaque)
2384 int cpu_load(QEMUFile *f, void *opaque, int version_id)
2389 #elif defined(TARGET_MIPS)
2390 void cpu_save(QEMUFile *f, void *opaque)
2394 int cpu_load(QEMUFile *f, void *opaque, int version_id)
2399 #elif defined(TARGET_SPARC)
2400 void cpu_save(QEMUFile *f, void *opaque)
2402 CPUState *env = opaque;
2406 for(i = 0; i < 8; i++)
2407 qemu_put_betls(f, &env->gregs[i]);
2408 for(i = 0; i < NWINDOWS * 16; i++)
2409 qemu_put_betls(f, &env->regbase[i]);
2412 for(i = 0; i < TARGET_FPREGS; i++) {
2418 qemu_put_betl(f, u.i);
2421 qemu_put_betls(f, &env->pc);
2422 qemu_put_betls(f, &env->npc);
2423 qemu_put_betls(f, &env->y);
2425 qemu_put_be32(f, tmp);
2426 qemu_put_betls(f, &env->fsr);
2427 qemu_put_betls(f, &env->tbr);
2428 #ifndef TARGET_SPARC64
2429 qemu_put_be32s(f, &env->wim);
2431 for(i = 0; i < 16; i++)
2432 qemu_put_be32s(f, &env->mmuregs[i]);
2436 int cpu_load(QEMUFile *f, void *opaque, int version_id)
2438 CPUState *env = opaque;
2442 for(i = 0; i < 8; i++)
2443 qemu_get_betls(f, &env->gregs[i]);
2444 for(i = 0; i < NWINDOWS * 16; i++)
2445 qemu_get_betls(f, &env->regbase[i]);
2448 for(i = 0; i < TARGET_FPREGS; i++) {
2453 u.i = qemu_get_betl(f);
2457 qemu_get_betls(f, &env->pc);
2458 qemu_get_betls(f, &env->npc);
2459 qemu_get_betls(f, &env->y);
2460 tmp = qemu_get_be32(f);
2461 env->cwp = 0; /* needed to ensure that the wrapping registers are
2462 correctly updated */
2464 qemu_get_betls(f, &env->fsr);
2465 qemu_get_betls(f, &env->tbr);
2466 #ifndef TARGET_SPARC64
2467 qemu_get_be32s(f, &env->wim);
2469 for(i = 0; i < 16; i++)
2470 qemu_get_be32s(f, &env->mmuregs[i]);
2477 #warning No CPU save/restore functions
2481 /***********************************************************/
2482 /* ram save/restore */
2484 /* we just avoid storing empty pages */
2485 static void ram_put_page(QEMUFile *f, const uint8_t *buf, int len)
2490 for(i = 1; i < len; i++) {
2494 qemu_put_byte(f, 1);
2495 qemu_put_byte(f, v);
2498 qemu_put_byte(f, 0);
2499 qemu_put_buffer(f, buf, len);
2502 static int ram_get_page(QEMUFile *f, uint8_t *buf, int len)
2506 v = qemu_get_byte(f);
2509 if (qemu_get_buffer(f, buf, len) != len)
2513 v = qemu_get_byte(f);
2514 memset(buf, v, len);
2522 static void ram_save(QEMUFile *f, void *opaque)
2525 qemu_put_be32(f, phys_ram_size);
2526 for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) {
2527 ram_put_page(f, phys_ram_base + i, TARGET_PAGE_SIZE);
2531 static int ram_load(QEMUFile *f, void *opaque, int version_id)
2535 if (version_id != 1)
2537 if (qemu_get_be32(f) != phys_ram_size)
2539 for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) {
2540 ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE);
2547 /***********************************************************/
2548 /* machine registration */
2550 QEMUMachine *first_machine = NULL;
2552 int qemu_register_machine(QEMUMachine *m)
2555 pm = &first_machine;
2563 QEMUMachine *find_machine(const char *name)
2567 for(m = first_machine; m != NULL; m = m->next) {
2568 if (!strcmp(m->name, name))
2574 /***********************************************************/
2575 /* main execution loop */
2577 void gui_update(void *opaque)
2579 display_state.dpy_refresh(&display_state);
2580 qemu_mod_timer(gui_timer, GUI_REFRESH_INTERVAL + qemu_get_clock(rt_clock));
2583 /* XXX: support several handlers */
2584 VMStopHandler *vm_stop_cb;
2585 VMStopHandler *vm_stop_opaque;
2587 int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque)
2590 vm_stop_opaque = opaque;
2594 void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque)
2607 void vm_stop(int reason)
2610 cpu_disable_ticks();
2614 vm_stop_cb(vm_stop_opaque, reason);
2620 /* reset/shutdown handler */
2622 typedef struct QEMUResetEntry {
2623 QEMUResetHandler *func;
2625 struct QEMUResetEntry *next;
2628 static QEMUResetEntry *first_reset_entry;
2629 static int reset_requested;
2630 static int shutdown_requested;
2631 static int powerdown_requested;
2633 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
2635 QEMUResetEntry **pre, *re;
2637 pre = &first_reset_entry;
2638 while (*pre != NULL)
2639 pre = &(*pre)->next;
2640 re = qemu_mallocz(sizeof(QEMUResetEntry));
2642 re->opaque = opaque;
2647 void qemu_system_reset(void)
2651 /* reset all devices */
2652 for(re = first_reset_entry; re != NULL; re = re->next) {
2653 re->func(re->opaque);
2657 void qemu_system_reset_request(void)
2659 reset_requested = 1;
2660 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
2663 void qemu_system_shutdown_request(void)
2665 shutdown_requested = 1;
2666 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
2669 void qemu_system_powerdown_request(void)
2671 powerdown_requested = 1;
2672 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
2675 static void main_cpu_reset(void *opaque)
2677 #if defined(TARGET_I386) || defined(TARGET_SPARC)
2678 CPUState *env = opaque;
2683 void main_loop_wait(int timeout)
2686 struct pollfd ufds[MAX_IO_HANDLERS + 1], *pf;
2687 IOHandlerRecord *ioh, *ioh_next;
2697 /* poll any events */
2698 /* XXX: separate device handlers from system ones */
2700 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
2701 if (!ioh->fd_can_read) {
2704 pf->events = POLLIN;
2708 max_size = ioh->fd_can_read(ioh->opaque);
2710 if (max_size > sizeof(buf))
2711 max_size = sizeof(buf);
2713 pf->events = POLLIN;
2720 ioh->max_size = max_size;
2723 ret = poll(ufds, pf - ufds, timeout);
2725 /* XXX: better handling of removal */
2726 for(ioh = first_io_handler; ioh != NULL; ioh = ioh_next) {
2727 ioh_next = ioh->next;
2730 if (pf->revents & POLLIN) {
2731 if (ioh->max_size == 0) {
2732 /* just a read event */
2733 ioh->fd_read(ioh->opaque, NULL, 0);
2735 n = read(ioh->fd, buf, ioh->max_size);
2737 ioh->fd_read(ioh->opaque, buf, n);
2738 } else if (errno != EAGAIN) {
2739 ioh->fd_read(ioh->opaque, NULL, -errno);
2746 #endif /* !defined(_WIN32) */
2747 #if defined(CONFIG_SLIRP)
2748 /* XXX: merge with poll() */
2750 fd_set rfds, wfds, xfds;
2758 slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
2761 ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
2763 slirp_select_poll(&rfds, &wfds, &xfds);
2769 qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL],
2770 qemu_get_clock(vm_clock));
2771 /* run dma transfers, if any */
2775 /* real time timers */
2776 qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME],
2777 qemu_get_clock(rt_clock));
2783 CPUState *env = global_env;
2787 ret = cpu_exec(env);
2788 if (shutdown_requested) {
2789 ret = EXCP_INTERRUPT;
2792 if (reset_requested) {
2793 reset_requested = 0;
2794 qemu_system_reset();
2795 ret = EXCP_INTERRUPT;
2797 if (powerdown_requested) {
2798 powerdown_requested = 0;
2799 qemu_system_powerdown();
2800 ret = EXCP_INTERRUPT;
2802 if (ret == EXCP_DEBUG) {
2803 vm_stop(EXCP_DEBUG);
2805 /* if hlt instruction, we wait until the next IRQ */
2806 /* XXX: use timeout computed from timers */
2807 if (ret == EXCP_HLT)
2814 main_loop_wait(timeout);
2816 cpu_disable_ticks();
2822 printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2005 Fabrice Bellard\n"
2823 "usage: %s [options] [disk_image]\n"
2825 "'disk_image' is a raw hard image image for IDE hard disk 0\n"
2827 "Standard options:\n"
2828 "-M machine select emulated machine (-M ? for list)\n"
2829 "-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
2830 "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
2831 "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
2832 "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
2833 "-boot [a|c|d] boot on floppy (a), hard disk (c) or CD-ROM (d)\n"
2834 "-snapshot write to temporary files instead of disk image files\n"
2835 "-m megs set virtual RAM size to megs MB [default=%d]\n"
2836 "-nographic disable graphical output and redirect serial I/Os to console\n"
2838 "-k language use keyboard layout (for example \"fr\" for French)\n"
2840 "-enable-audio enable audio support\n"
2841 "-localtime set the real time clock to local time [default=utc]\n"
2842 "-full-screen start in full screen\n"
2844 "-win2k-hack use it when installing Windows 2000 to avoid a disk full bug\n"
2846 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
2847 "-g WxH[xDEPTH] Set the initial graphical resolution and depth\n"
2850 "Network options:\n"
2851 "-nics n simulate 'n' network cards [default=1]\n"
2852 "-macaddr addr set the mac address of the first interface\n"
2853 "-n script set tap/tun network init script [default=%s]\n"
2854 "-tun-fd fd use this fd as already opened tap/tun interface\n"
2856 "-user-net use user mode network stack [default if no tap/tun script]\n"
2857 "-tftp prefix allow tftp access to files starting with prefix [-user-net]\n"
2859 "-smb dir allow SMB access to files in 'dir' [-user-net]\n"
2861 "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
2862 " redirect TCP or UDP connections from host to guest [-user-net]\n"
2864 "-dummy-net use dummy network stack\n"
2866 "Linux boot specific:\n"
2867 "-kernel bzImage use 'bzImage' as kernel image\n"
2868 "-append cmdline use 'cmdline' as kernel command line\n"
2869 "-initrd file use 'file' as initial ram disk\n"
2871 "Debug/Expert options:\n"
2872 "-monitor dev redirect the monitor to char device 'dev'\n"
2873 "-serial dev redirect the serial port to char device 'dev'\n"
2874 "-parallel dev redirect the parallel port to char device 'dev'\n"
2875 "-pidfile file Write PID to 'file'\n"
2876 "-S freeze CPU at startup (use 'c' to start execution)\n"
2877 "-s wait gdb connection to port %d\n"
2878 "-p port change gdb connection port\n"
2879 "-d item1,... output log to %s (use -d ? for a list of log items)\n"
2880 "-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n"
2881 " translation (t=none or lba) (usually qemu can guess them)\n"
2882 "-L path set the directory for the BIOS and VGA BIOS\n"
2884 "-no-kqemu disable KQEMU kernel module usage\n"
2886 #ifdef USE_CODE_COPY
2887 "-no-code-copy disable code copy acceleration\n"
2890 "-isa simulate an ISA-only system (default is PCI system)\n"
2891 "-std-vga simulate a standard VGA card with VESA Bochs Extensions\n"
2892 " (default is CL-GD5446 PCI VGA)\n"
2894 "-loadvm file start right away with a saved state (loadvm in monitor)\n"
2896 "During emulation, the following keys are useful:\n"
2897 "ctrl-alt-f toggle full screen\n"
2898 "ctrl-alt-n switch to virtual console 'n'\n"
2899 "ctrl-alt toggle mouse and keyboard grab\n"
2901 "When using -nographic, press 'ctrl-a h' to get some help.\n"
2903 #ifdef CONFIG_SOFTMMU
2909 DEFAULT_NETWORK_SCRIPT,
2910 DEFAULT_GDBSTUB_PORT,
2912 #ifndef CONFIG_SOFTMMU
2914 "NOTE: this version of QEMU is faster but it needs slightly patched OSes to\n"
2915 "work. Please use the 'qemu' executable to have a more accurate (but slower)\n"
2921 #define HAS_ARG 0x0001
2935 QEMU_OPTION_snapshot,
2937 QEMU_OPTION_nographic,
2938 QEMU_OPTION_enable_audio,
2941 QEMU_OPTION_macaddr,
2944 QEMU_OPTION_user_net,
2948 QEMU_OPTION_dummy_net,
2960 QEMU_OPTION_no_code_copy,
2965 QEMU_OPTION_localtime,
2966 QEMU_OPTION_cirrusvga,
2968 QEMU_OPTION_std_vga,
2969 QEMU_OPTION_monitor,
2971 QEMU_OPTION_parallel,
2973 QEMU_OPTION_full_screen,
2974 QEMU_OPTION_pidfile,
2975 QEMU_OPTION_no_kqemu,
2976 QEMU_OPTION_win2k_hack,
2979 typedef struct QEMUOption {
2985 const QEMUOption qemu_options[] = {
2986 { "h", 0, QEMU_OPTION_h },
2988 { "M", HAS_ARG, QEMU_OPTION_M },
2989 { "fda", HAS_ARG, QEMU_OPTION_fda },
2990 { "fdb", HAS_ARG, QEMU_OPTION_fdb },
2991 { "hda", HAS_ARG, QEMU_OPTION_hda },
2992 { "hdb", HAS_ARG, QEMU_OPTION_hdb },
2993 { "hdc", HAS_ARG, QEMU_OPTION_hdc },
2994 { "hdd", HAS_ARG, QEMU_OPTION_hdd },
2995 { "cdrom", HAS_ARG, QEMU_OPTION_cdrom },
2996 { "boot", HAS_ARG, QEMU_OPTION_boot },
2997 { "snapshot", 0, QEMU_OPTION_snapshot },
2998 { "m", HAS_ARG, QEMU_OPTION_m },
2999 { "nographic", 0, QEMU_OPTION_nographic },
3000 { "k", HAS_ARG, QEMU_OPTION_k },
3001 { "enable-audio", 0, QEMU_OPTION_enable_audio },
3003 { "nics", HAS_ARG, QEMU_OPTION_nics},
3004 { "macaddr", HAS_ARG, QEMU_OPTION_macaddr},
3005 { "n", HAS_ARG, QEMU_OPTION_n },
3006 { "tun-fd", HAS_ARG, QEMU_OPTION_tun_fd },
3008 { "user-net", 0, QEMU_OPTION_user_net },
3009 { "tftp", HAS_ARG, QEMU_OPTION_tftp },
3011 { "smb", HAS_ARG, QEMU_OPTION_smb },
3013 { "redir", HAS_ARG, QEMU_OPTION_redir },
3015 { "dummy-net", 0, QEMU_OPTION_dummy_net },
3017 { "kernel", HAS_ARG, QEMU_OPTION_kernel },
3018 { "append", HAS_ARG, QEMU_OPTION_append },
3019 { "initrd", HAS_ARG, QEMU_OPTION_initrd },
3021 { "S", 0, QEMU_OPTION_S },
3022 { "s", 0, QEMU_OPTION_s },
3023 { "p", HAS_ARG, QEMU_OPTION_p },
3024 { "d", HAS_ARG, QEMU_OPTION_d },
3025 { "hdachs", HAS_ARG, QEMU_OPTION_hdachs },
3026 { "L", HAS_ARG, QEMU_OPTION_L },
3027 { "no-code-copy", 0, QEMU_OPTION_no_code_copy },
3029 { "no-kqemu", 0, QEMU_OPTION_no_kqemu },
3032 { "prep", 0, QEMU_OPTION_prep },
3034 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
3035 { "g", 1, QEMU_OPTION_g },
3037 { "localtime", 0, QEMU_OPTION_localtime },
3038 { "isa", 0, QEMU_OPTION_isa },
3039 { "std-vga", 0, QEMU_OPTION_std_vga },
3040 { "monitor", 1, QEMU_OPTION_monitor },
3041 { "serial", 1, QEMU_OPTION_serial },
3042 { "parallel", 1, QEMU_OPTION_parallel },
3043 { "loadvm", HAS_ARG, QEMU_OPTION_loadvm },
3044 { "full-screen", 0, QEMU_OPTION_full_screen },
3045 { "pidfile", HAS_ARG, QEMU_OPTION_pidfile },
3046 { "win2k-hack", 0, QEMU_OPTION_win2k_hack },
3048 /* temporary options */
3049 { "pci", 0, QEMU_OPTION_pci },
3050 { "cirrusvga", 0, QEMU_OPTION_cirrusvga },
3054 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
3056 /* this stack is only used during signal handling */
3057 #define SIGNAL_STACK_SIZE 32768
3059 static uint8_t *signal_stack;
3063 /* password input */
3065 static BlockDriverState *get_bdrv(int index)
3067 BlockDriverState *bs;
3070 bs = bs_table[index];
3071 } else if (index < 6) {
3072 bs = fd_table[index - 4];
3079 static void read_passwords(void)
3081 BlockDriverState *bs;
3085 for(i = 0; i < 6; i++) {
3087 if (bs && bdrv_is_encrypted(bs)) {
3088 term_printf("%s is encrypted.\n", bdrv_get_device_name(bs));
3089 for(j = 0; j < 3; j++) {
3090 monitor_readline("Password: ",
3091 1, password, sizeof(password));
3092 if (bdrv_set_key(bs, password) == 0)
3094 term_printf("invalid password\n");
3100 /* XXX: currently we cannot use simultaneously different CPUs */
3101 void register_machines(void)
3103 #if defined(TARGET_I386)
3104 qemu_register_machine(&pc_machine);
3105 #elif defined(TARGET_PPC)
3106 qemu_register_machine(&heathrow_machine);
3107 qemu_register_machine(&core99_machine);
3108 qemu_register_machine(&prep_machine);
3109 #elif defined(TARGET_MIPS)
3110 qemu_register_machine(&mips_machine);
3111 #elif defined(TARGET_SPARC)
3112 #ifdef TARGET_SPARC64
3113 qemu_register_machine(&sun4u_machine);
3115 qemu_register_machine(&sun4m_machine);
3120 #define NET_IF_TUN 0
3121 #define NET_IF_USER 1
3122 #define NET_IF_DUMMY 2
3124 int main(int argc, char **argv)
3126 #ifdef CONFIG_GDBSTUB
3127 int use_gdbstub, gdbstub_port;
3130 int snapshot, linux_boot;
3132 const char *initrd_filename;
3133 const char *hd_filename[MAX_DISKS], *fd_filename[MAX_FD];
3134 const char *kernel_filename, *kernel_cmdline;
3135 DisplayState *ds = &display_state;
3136 int cyls, heads, secs, translation;
3137 int start_emulation = 1;
3139 int net_if_type, nb_tun_fds, tun_fds[MAX_NICS];
3141 const char *r, *optarg;
3142 CharDriverState *monitor_hd;
3143 char monitor_device[128];
3144 char serial_devices[MAX_SERIAL_PORTS][128];
3145 int serial_device_index;
3146 char parallel_devices[MAX_PARALLEL_PORTS][128];
3147 int parallel_device_index;
3148 const char *loadvm = NULL;
3149 QEMUMachine *machine;
3151 #if !defined(CONFIG_SOFTMMU)
3152 /* we never want that malloc() uses mmap() */
3153 mallopt(M_MMAP_THRESHOLD, 4096 * 1024);
3155 register_machines();
3156 machine = first_machine;
3157 initrd_filename = NULL;
3158 for(i = 0; i < MAX_FD; i++)
3159 fd_filename[i] = NULL;
3160 for(i = 0; i < MAX_DISKS; i++)
3161 hd_filename[i] = NULL;
3162 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3163 vga_ram_size = VGA_RAM_SIZE;
3164 bios_size = BIOS_SIZE;
3165 pstrcpy(network_script, sizeof(network_script), DEFAULT_NETWORK_SCRIPT);
3166 #ifdef CONFIG_GDBSTUB
3168 gdbstub_port = DEFAULT_GDBSTUB_PORT;
3172 kernel_filename = NULL;
3173 kernel_cmdline = "";
3179 cyls = heads = secs = 0;
3180 translation = BIOS_ATA_TRANSLATION_AUTO;
3181 pstrcpy(monitor_device, sizeof(monitor_device), "vc");
3183 pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "vc");
3184 for(i = 1; i < MAX_SERIAL_PORTS; i++)
3185 serial_devices[i][0] = '\0';
3186 serial_device_index = 0;
3188 pstrcpy(parallel_devices[0], sizeof(parallel_devices[0]), "vc");
3189 for(i = 1; i < MAX_PARALLEL_PORTS; i++)
3190 parallel_devices[i][0] = '\0';
3191 parallel_device_index = 0;
3196 /* default mac address of the first network interface */
3210 hd_filename[0] = argv[optind++];
3212 const QEMUOption *popt;
3215 popt = qemu_options;
3218 fprintf(stderr, "%s: invalid option -- '%s'\n",
3222 if (!strcmp(popt->name, r + 1))
3226 if (popt->flags & HAS_ARG) {
3227 if (optind >= argc) {
3228 fprintf(stderr, "%s: option '%s' requires an argument\n",
3232 optarg = argv[optind++];
3237 switch(popt->index) {
3239 machine = find_machine(optarg);
3242 printf("Supported machines are:\n");
3243 for(m = first_machine; m != NULL; m = m->next) {
3244 printf("%-10s %s%s\n",
3246 m == first_machine ? " (default)" : "");
3251 case QEMU_OPTION_initrd:
3252 initrd_filename = optarg;
3254 case QEMU_OPTION_hda:
3255 case QEMU_OPTION_hdb:
3256 case QEMU_OPTION_hdc:
3257 case QEMU_OPTION_hdd:
3260 hd_index = popt->index - QEMU_OPTION_hda;
3261 hd_filename[hd_index] = optarg;
3262 if (hd_index == cdrom_index)
3266 case QEMU_OPTION_snapshot:
3269 case QEMU_OPTION_hdachs:
3273 cyls = strtol(p, (char **)&p, 0);
3274 if (cyls < 1 || cyls > 16383)
3279 heads = strtol(p, (char **)&p, 0);
3280 if (heads < 1 || heads > 16)
3285 secs = strtol(p, (char **)&p, 0);
3286 if (secs < 1 || secs > 63)
3290 if (!strcmp(p, "none"))
3291 translation = BIOS_ATA_TRANSLATION_NONE;
3292 else if (!strcmp(p, "lba"))
3293 translation = BIOS_ATA_TRANSLATION_LBA;
3294 else if (!strcmp(p, "auto"))
3295 translation = BIOS_ATA_TRANSLATION_AUTO;
3298 } else if (*p != '\0') {
3300 fprintf(stderr, "qemu: invalid physical CHS format\n");
3305 case QEMU_OPTION_nographic:
3306 pstrcpy(monitor_device, sizeof(monitor_device), "stdio");
3307 pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "stdio");
3310 case QEMU_OPTION_kernel:
3311 kernel_filename = optarg;
3313 case QEMU_OPTION_append:
3314 kernel_cmdline = optarg;
3316 case QEMU_OPTION_tun_fd:
3320 net_if_type = NET_IF_TUN;
3321 if (nb_tun_fds < MAX_NICS) {
3322 fd = strtol(optarg, (char **)&p, 0);
3324 fprintf(stderr, "qemu: invalid fd for network interface %d\n", nb_tun_fds);
3327 tun_fds[nb_tun_fds++] = fd;
3331 case QEMU_OPTION_cdrom:
3332 if (cdrom_index >= 0) {
3333 hd_filename[cdrom_index] = optarg;
3336 case QEMU_OPTION_boot:
3337 boot_device = optarg[0];
3338 if (boot_device != 'a' &&
3341 boot_device != 'n' &&
3343 boot_device != 'c' && boot_device != 'd') {
3344 fprintf(stderr, "qemu: invalid boot device '%c'\n", boot_device);
3348 case QEMU_OPTION_fda:
3349 fd_filename[0] = optarg;
3351 case QEMU_OPTION_fdb:
3352 fd_filename[1] = optarg;
3354 case QEMU_OPTION_no_code_copy:
3355 code_copy_enabled = 0;
3357 case QEMU_OPTION_nics:
3358 nb_nics = atoi(optarg);
3359 if (nb_nics < 0 || nb_nics > MAX_NICS) {
3360 fprintf(stderr, "qemu: invalid number of network interfaces\n");
3364 case QEMU_OPTION_macaddr:
3369 for(i = 0; i < 6; i++) {
3370 macaddr[i] = strtol(p, (char **)&p, 16);
3377 fprintf(stderr, "qemu: invalid syntax for ethernet address\n");
3386 case QEMU_OPTION_tftp:
3387 tftp_prefix = optarg;
3390 case QEMU_OPTION_smb:
3391 net_slirp_smb(optarg);
3394 case QEMU_OPTION_user_net:
3395 net_if_type = NET_IF_USER;
3397 case QEMU_OPTION_redir:
3398 net_slirp_redir(optarg);
3401 case QEMU_OPTION_dummy_net:
3402 net_if_type = NET_IF_DUMMY;
3404 case QEMU_OPTION_enable_audio:
3411 ram_size = atoi(optarg) * 1024 * 1024;
3414 if (ram_size > PHYS_RAM_MAX_SIZE) {
3415 fprintf(stderr, "qemu: at most %d MB RAM can be simulated\n",
3416 PHYS_RAM_MAX_SIZE / (1024 * 1024));
3425 mask = cpu_str_to_log_mask(optarg);
3427 printf("Log items (comma separated):\n");
3428 for(item = cpu_log_items; item->mask != 0; item++) {
3429 printf("%-10s %s\n", item->name, item->help);
3437 pstrcpy(network_script, sizeof(network_script), optarg);
3439 #ifdef CONFIG_GDBSTUB
3444 gdbstub_port = atoi(optarg);
3451 start_emulation = 0;
3453 case QEMU_OPTION_pci:
3456 case QEMU_OPTION_isa:
3459 case QEMU_OPTION_prep:
3463 keyboard_layout = optarg;
3465 case QEMU_OPTION_localtime:
3468 case QEMU_OPTION_cirrusvga:
3469 cirrus_vga_enabled = 1;
3471 case QEMU_OPTION_std_vga:
3472 cirrus_vga_enabled = 0;
3479 w = strtol(p, (char **)&p, 10);
3482 fprintf(stderr, "qemu: invalid resolution or depth\n");
3488 h = strtol(p, (char **)&p, 10);
3493 depth = strtol(p, (char **)&p, 10);
3494 if (depth != 8 && depth != 15 && depth != 16 &&
3495 depth != 24 && depth != 32)
3497 } else if (*p == '\0') {
3498 depth = graphic_depth;
3505 graphic_depth = depth;
3508 case QEMU_OPTION_monitor:
3509 pstrcpy(monitor_device, sizeof(monitor_device), optarg);
3511 case QEMU_OPTION_serial:
3512 if (serial_device_index >= MAX_SERIAL_PORTS) {
3513 fprintf(stderr, "qemu: too many serial ports\n");
3516 pstrcpy(serial_devices[serial_device_index],
3517 sizeof(serial_devices[0]), optarg);
3518 serial_device_index++;
3520 case QEMU_OPTION_parallel:
3521 if (parallel_device_index >= MAX_PARALLEL_PORTS) {
3522 fprintf(stderr, "qemu: too many parallel ports\n");
3525 pstrcpy(parallel_devices[parallel_device_index],
3526 sizeof(parallel_devices[0]), optarg);
3527 parallel_device_index++;
3529 case QEMU_OPTION_loadvm:
3532 case QEMU_OPTION_full_screen:
3535 case QEMU_OPTION_pidfile:
3536 create_pidfile(optarg);
3539 case QEMU_OPTION_win2k_hack:
3540 win2k_install_hack = 1;
3544 case QEMU_OPTION_no_kqemu:
3552 linux_boot = (kernel_filename != NULL);
3555 hd_filename[0] == '\0' &&
3556 (cdrom_index >= 0 && hd_filename[cdrom_index] == '\0') &&
3557 fd_filename[0] == '\0')
3560 /* boot to cd by default if no hard disk */
3561 if (hd_filename[0] == '\0' && boot_device == 'c') {
3562 if (fd_filename[0] != '\0')
3568 #if !defined(CONFIG_SOFTMMU)
3569 /* must avoid mmap() usage of glibc by setting a buffer "by hand" */
3571 static uint8_t stdout_buf[4096];
3572 setvbuf(stdout, stdout_buf, _IOLBF, sizeof(stdout_buf));
3575 setvbuf(stdout, NULL, _IOLBF, 0);
3578 /* init host network redirectors */
3579 if (net_if_type == -1) {
3580 net_if_type = NET_IF_TUN;
3581 #if defined(CONFIG_SLIRP)
3582 if (access(network_script, R_OK) < 0) {
3583 net_if_type = NET_IF_USER;
3588 for(i = 0; i < nb_nics; i++) {
3589 NetDriverState *nd = &nd_table[i];
3591 /* init virtual mac address */
3592 nd->macaddr[0] = macaddr[0];
3593 nd->macaddr[1] = macaddr[1];
3594 nd->macaddr[2] = macaddr[2];
3595 nd->macaddr[3] = macaddr[3];
3596 nd->macaddr[4] = macaddr[4];
3597 nd->macaddr[5] = macaddr[5] + i;
3598 switch(net_if_type) {
3599 #if defined(CONFIG_SLIRP)
3604 #if !defined(_WIN32)
3606 if (i < nb_tun_fds) {
3607 net_fd_init(nd, tun_fds[i]);
3609 if (net_tun_init(nd) < 0)
3621 /* init the memory */
3622 phys_ram_size = ram_size + vga_ram_size + bios_size;
3624 #ifdef CONFIG_SOFTMMU
3625 phys_ram_base = qemu_vmalloc(phys_ram_size);
3626 if (!phys_ram_base) {
3627 fprintf(stderr, "Could not allocate physical memory\n");
3631 /* as we must map the same page at several addresses, we must use
3636 tmpdir = getenv("QEMU_TMPDIR");
3639 snprintf(phys_ram_file, sizeof(phys_ram_file), "%s/vlXXXXXX", tmpdir);
3640 if (mkstemp(phys_ram_file) < 0) {
3641 fprintf(stderr, "Could not create temporary memory file '%s'\n",
3645 phys_ram_fd = open(phys_ram_file, O_CREAT | O_TRUNC | O_RDWR, 0600);
3646 if (phys_ram_fd < 0) {
3647 fprintf(stderr, "Could not open temporary memory file '%s'\n",
3651 ftruncate(phys_ram_fd, phys_ram_size);
3652 unlink(phys_ram_file);
3653 phys_ram_base = mmap(get_mmap_addr(phys_ram_size),
3655 PROT_WRITE | PROT_READ, MAP_SHARED | MAP_FIXED,
3657 if (phys_ram_base == MAP_FAILED) {
3658 fprintf(stderr, "Could not map physical memory\n");
3664 /* we always create the cdrom drive, even if no disk is there */
3666 if (cdrom_index >= 0) {
3667 bs_table[cdrom_index] = bdrv_new("cdrom");
3668 bdrv_set_type_hint(bs_table[cdrom_index], BDRV_TYPE_CDROM);
3671 /* open the virtual block devices */
3672 for(i = 0; i < MAX_DISKS; i++) {
3673 if (hd_filename[i]) {
3676 snprintf(buf, sizeof(buf), "hd%c", i + 'a');
3677 bs_table[i] = bdrv_new(buf);
3679 if (bdrv_open(bs_table[i], hd_filename[i], snapshot) < 0) {
3680 fprintf(stderr, "qemu: could not open hard disk image '%s'\n",
3684 if (i == 0 && cyls != 0) {
3685 bdrv_set_geometry_hint(bs_table[i], cyls, heads, secs);
3686 bdrv_set_translation_hint(bs_table[i], translation);
3691 /* we always create at least one floppy disk */
3692 fd_table[0] = bdrv_new("fda");
3693 bdrv_set_type_hint(fd_table[0], BDRV_TYPE_FLOPPY);
3695 for(i = 0; i < MAX_FD; i++) {
3696 if (fd_filename[i]) {
3699 snprintf(buf, sizeof(buf), "fd%c", i + 'a');
3700 fd_table[i] = bdrv_new(buf);
3701 bdrv_set_type_hint(fd_table[i], BDRV_TYPE_FLOPPY);
3703 if (fd_filename[i] != '\0') {
3704 if (bdrv_open(fd_table[i], fd_filename[i], snapshot) < 0) {
3705 fprintf(stderr, "qemu: could not open floppy disk image '%s'\n",
3713 /* init CPU state */
3716 cpu_single_env = env;
3718 register_savevm("timer", 0, 1, timer_save, timer_load, env);
3719 register_savevm("cpu", 0, 3, cpu_save, cpu_load, env);
3720 register_savevm("ram", 0, 1, ram_save, ram_load, NULL);
3721 qemu_register_reset(main_cpu_reset, global_env);
3724 cpu_calibrate_ticks();
3728 dumb_display_init(ds);
3730 #if defined(CONFIG_SDL)
3731 sdl_display_init(ds, full_screen);
3732 #elif defined(CONFIG_COCOA)
3733 cocoa_display_init(ds, full_screen);
3735 dumb_display_init(ds);
3739 vga_console = graphic_console_init(ds);
3741 monitor_hd = qemu_chr_open(monitor_device);
3743 fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device);
3746 monitor_init(monitor_hd, !nographic);
3748 for(i = 0; i < MAX_SERIAL_PORTS; i++) {
3749 if (serial_devices[i][0] != '\0') {
3750 serial_hds[i] = qemu_chr_open(serial_devices[i]);
3751 if (!serial_hds[i]) {
3752 fprintf(stderr, "qemu: could not open serial device '%s'\n",
3756 if (!strcmp(serial_devices[i], "vc"))
3757 qemu_chr_printf(serial_hds[i], "serial%d console\n", i);
3761 for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
3762 if (parallel_devices[i][0] != '\0') {
3763 parallel_hds[i] = qemu_chr_open(parallel_devices[i]);
3764 if (!parallel_hds[i]) {
3765 fprintf(stderr, "qemu: could not open parallel device '%s'\n",
3766 parallel_devices[i]);
3769 if (!strcmp(parallel_devices[i], "vc"))
3770 qemu_chr_printf(parallel_hds[i], "parallel%d console\n", i);
3774 /* setup cpu signal handlers for MMU / self modifying code handling */
3775 #if !defined(CONFIG_SOFTMMU)
3777 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
3780 signal_stack = memalign(16, SIGNAL_STACK_SIZE);
3781 stk.ss_sp = signal_stack;
3782 stk.ss_size = SIGNAL_STACK_SIZE;
3785 if (sigaltstack(&stk, NULL) < 0) {
3786 perror("sigaltstack");
3792 struct sigaction act;
3794 sigfillset(&act.sa_mask);
3795 act.sa_flags = SA_SIGINFO;
3796 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
3797 act.sa_flags |= SA_ONSTACK;
3799 act.sa_sigaction = host_segv_handler;
3800 sigaction(SIGSEGV, &act, NULL);
3801 sigaction(SIGBUS, &act, NULL);
3802 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
3803 sigaction(SIGFPE, &act, NULL);
3810 struct sigaction act;
3811 sigfillset(&act.sa_mask);
3813 act.sa_handler = SIG_IGN;
3814 sigaction(SIGPIPE, &act, NULL);
3819 machine->init(ram_size, vga_ram_size, boot_device,
3820 ds, fd_filename, snapshot,
3821 kernel_filename, kernel_cmdline, initrd_filename);
3823 gui_timer = qemu_new_timer(rt_clock, gui_update, NULL);
3824 qemu_mod_timer(gui_timer, qemu_get_clock(rt_clock));
3826 #ifdef CONFIG_GDBSTUB
3828 if (gdbserver_start(gdbstub_port) < 0) {
3829 fprintf(stderr, "Could not open gdbserver socket on port %d\n",
3833 printf("Waiting gdb connection on port %d\n", gdbstub_port);
3838 qemu_loadvm(loadvm);
3841 /* XXX: simplify init */
3843 if (start_emulation) {