4 * Copyright (c) 2003-2004 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 */
81 #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
83 //#define DEBUG_UNUSED_IOPORT
84 //#define DEBUG_IOPORT
86 #if !defined(CONFIG_SOFTMMU)
87 #define PHYS_RAM_MAX_SIZE (256 * 1024 * 1024)
89 #define PHYS_RAM_MAX_SIZE (2047 * 1024 * 1024)
93 #define DEFAULT_RAM_SIZE 144
95 #define DEFAULT_RAM_SIZE 128
98 #define GUI_REFRESH_INTERVAL 30
100 /* XXX: use a two level table to limit memory usage */
101 #define MAX_IOPORTS 65536
103 const char *bios_dir = CONFIG_QEMU_SHAREDIR;
104 char phys_ram_file[1024];
105 CPUState *global_env;
106 CPUState *cpu_single_env;
107 void *ioport_opaque[MAX_IOPORTS];
108 IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS];
109 IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS];
110 BlockDriverState *bs_table[MAX_DISKS], *fd_table[MAX_FD];
113 static DisplayState display_state;
115 const char* keyboard_layout = NULL;
116 int64_t ticks_per_sec;
117 int boot_device = 'c';
119 static char network_script[1024];
120 int pit_min_timer_count = 0;
122 NetDriverState nd_table[MAX_NICS];
123 QEMUTimer *gui_timer;
125 int audio_enabled = 0;
126 int sb16_enabled = 1;
127 int adlib_enabled = 1;
130 int prep_enabled = 0;
132 int cirrus_vga_enabled = 1;
133 int graphic_width = 800;
134 int graphic_height = 600;
135 int graphic_depth = 15;
137 TextConsole *vga_console;
138 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
140 /***********************************************************/
141 /* x86 ISA bus support */
143 target_phys_addr_t isa_mem_base = 0;
145 uint32_t default_ioport_readb(void *opaque, uint32_t address)
147 #ifdef DEBUG_UNUSED_IOPORT
148 fprintf(stderr, "inb: port=0x%04x\n", address);
153 void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data)
155 #ifdef DEBUG_UNUSED_IOPORT
156 fprintf(stderr, "outb: port=0x%04x data=0x%02x\n", address, data);
160 /* default is to make two byte accesses */
161 uint32_t default_ioport_readw(void *opaque, uint32_t address)
164 data = ioport_read_table[0][address](ioport_opaque[address], address);
165 address = (address + 1) & (MAX_IOPORTS - 1);
166 data |= ioport_read_table[0][address](ioport_opaque[address], address) << 8;
170 void default_ioport_writew(void *opaque, uint32_t address, uint32_t data)
172 ioport_write_table[0][address](ioport_opaque[address], address, data & 0xff);
173 address = (address + 1) & (MAX_IOPORTS - 1);
174 ioport_write_table[0][address](ioport_opaque[address], address, (data >> 8) & 0xff);
177 uint32_t default_ioport_readl(void *opaque, uint32_t address)
179 #ifdef DEBUG_UNUSED_IOPORT
180 fprintf(stderr, "inl: port=0x%04x\n", address);
185 void default_ioport_writel(void *opaque, uint32_t address, uint32_t data)
187 #ifdef DEBUG_UNUSED_IOPORT
188 fprintf(stderr, "outl: port=0x%04x data=0x%02x\n", address, data);
192 void init_ioports(void)
196 for(i = 0; i < MAX_IOPORTS; i++) {
197 ioport_read_table[0][i] = default_ioport_readb;
198 ioport_write_table[0][i] = default_ioport_writeb;
199 ioport_read_table[1][i] = default_ioport_readw;
200 ioport_write_table[1][i] = default_ioport_writew;
201 ioport_read_table[2][i] = default_ioport_readl;
202 ioport_write_table[2][i] = default_ioport_writel;
206 /* size is the word size in byte */
207 int register_ioport_read(int start, int length, int size,
208 IOPortReadFunc *func, void *opaque)
214 } else if (size == 2) {
216 } else if (size == 4) {
219 hw_error("register_ioport_read: invalid size");
222 for(i = start; i < start + length; i += size) {
223 ioport_read_table[bsize][i] = func;
224 if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
225 hw_error("register_ioport_read: invalid opaque");
226 ioport_opaque[i] = opaque;
231 /* size is the word size in byte */
232 int register_ioport_write(int start, int length, int size,
233 IOPortWriteFunc *func, void *opaque)
239 } else if (size == 2) {
241 } else if (size == 4) {
244 hw_error("register_ioport_write: invalid size");
247 for(i = start; i < start + length; i += size) {
248 ioport_write_table[bsize][i] = func;
249 if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
250 hw_error("register_ioport_read: invalid opaque");
251 ioport_opaque[i] = opaque;
256 void isa_unassign_ioport(int start, int length)
260 for(i = start; i < start + length; i++) {
261 ioport_read_table[0][i] = default_ioport_readb;
262 ioport_read_table[1][i] = default_ioport_readw;
263 ioport_read_table[2][i] = default_ioport_readl;
265 ioport_write_table[0][i] = default_ioport_writeb;
266 ioport_write_table[1][i] = default_ioport_writew;
267 ioport_write_table[2][i] = default_ioport_writel;
271 void pstrcpy(char *buf, int buf_size, const char *str)
281 if (c == 0 || q >= buf + buf_size - 1)
288 /* strcat and truncate. */
289 char *pstrcat(char *buf, int buf_size, const char *s)
294 pstrcpy(buf + len, buf_size - len, s);
298 int strstart(const char *str, const char *val, const char **ptr)
314 /* return the size or -1 if error */
315 int get_image_size(const char *filename)
318 fd = open(filename, O_RDONLY | O_BINARY);
321 size = lseek(fd, 0, SEEK_END);
326 /* return the size or -1 if error */
327 int load_image(const char *filename, uint8_t *addr)
330 fd = open(filename, O_RDONLY | O_BINARY);
333 size = lseek(fd, 0, SEEK_END);
334 lseek(fd, 0, SEEK_SET);
335 if (read(fd, addr, size) != size) {
343 void cpu_outb(CPUState *env, int addr, int val)
346 if (loglevel & CPU_LOG_IOPORT)
347 fprintf(logfile, "outb: %04x %02x\n", addr, val);
349 ioport_write_table[0][addr](ioport_opaque[addr], addr, val);
352 void cpu_outw(CPUState *env, int addr, int val)
355 if (loglevel & CPU_LOG_IOPORT)
356 fprintf(logfile, "outw: %04x %04x\n", addr, val);
358 ioport_write_table[1][addr](ioport_opaque[addr], addr, val);
361 void cpu_outl(CPUState *env, int addr, int val)
364 if (loglevel & CPU_LOG_IOPORT)
365 fprintf(logfile, "outl: %04x %08x\n", addr, val);
367 ioport_write_table[2][addr](ioport_opaque[addr], addr, val);
370 int cpu_inb(CPUState *env, int addr)
373 val = ioport_read_table[0][addr](ioport_opaque[addr], addr);
375 if (loglevel & CPU_LOG_IOPORT)
376 fprintf(logfile, "inb : %04x %02x\n", addr, val);
381 int cpu_inw(CPUState *env, int addr)
384 val = ioport_read_table[1][addr](ioport_opaque[addr], addr);
386 if (loglevel & CPU_LOG_IOPORT)
387 fprintf(logfile, "inw : %04x %04x\n", addr, val);
392 int cpu_inl(CPUState *env, int addr)
395 val = ioport_read_table[2][addr](ioport_opaque[addr], addr);
397 if (loglevel & CPU_LOG_IOPORT)
398 fprintf(logfile, "inl : %04x %08x\n", addr, val);
403 /***********************************************************/
404 void hw_error(const char *fmt, ...)
409 fprintf(stderr, "qemu: hardware error: ");
410 vfprintf(stderr, fmt, ap);
411 fprintf(stderr, "\n");
413 cpu_dump_state(global_env, stderr, fprintf, X86_DUMP_FPU | X86_DUMP_CCOP);
415 cpu_dump_state(global_env, stderr, fprintf, 0);
421 /***********************************************************/
424 static QEMUPutKBDEvent *qemu_put_kbd_event;
425 static void *qemu_put_kbd_event_opaque;
426 static QEMUPutMouseEvent *qemu_put_mouse_event;
427 static void *qemu_put_mouse_event_opaque;
429 void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
431 qemu_put_kbd_event_opaque = opaque;
432 qemu_put_kbd_event = func;
435 void qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, void *opaque)
437 qemu_put_mouse_event_opaque = opaque;
438 qemu_put_mouse_event = func;
441 void kbd_put_keycode(int keycode)
443 if (qemu_put_kbd_event) {
444 qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode);
448 void kbd_mouse_event(int dx, int dy, int dz, int buttons_state)
450 if (qemu_put_mouse_event) {
451 qemu_put_mouse_event(qemu_put_mouse_event_opaque,
452 dx, dy, dz, buttons_state);
456 /***********************************************************/
459 #if defined(__powerpc__)
461 static inline uint32_t get_tbl(void)
464 asm volatile("mftb %0" : "=r" (tbl));
468 static inline uint32_t get_tbu(void)
471 asm volatile("mftbu %0" : "=r" (tbl));
475 int64_t cpu_get_real_ticks(void)
478 /* NOTE: we test if wrapping has occurred */
484 return ((int64_t)h << 32) | l;
487 #elif defined(__i386__)
489 int64_t cpu_get_real_ticks(void)
492 asm volatile ("rdtsc" : "=A" (val));
496 #elif defined(__x86_64__)
498 int64_t cpu_get_real_ticks(void)
502 asm volatile("rdtsc" : "=a" (low), "=d" (high));
510 #error unsupported CPU
513 static int64_t cpu_ticks_offset;
514 static int cpu_ticks_enabled;
516 static inline int64_t cpu_get_ticks(void)
518 if (!cpu_ticks_enabled) {
519 return cpu_ticks_offset;
521 return cpu_get_real_ticks() + cpu_ticks_offset;
525 /* enable cpu_get_ticks() */
526 void cpu_enable_ticks(void)
528 if (!cpu_ticks_enabled) {
529 cpu_ticks_offset -= cpu_get_real_ticks();
530 cpu_ticks_enabled = 1;
534 /* disable cpu_get_ticks() : the clock is stopped. You must not call
535 cpu_get_ticks() after that. */
536 void cpu_disable_ticks(void)
538 if (cpu_ticks_enabled) {
539 cpu_ticks_offset = cpu_get_ticks();
540 cpu_ticks_enabled = 0;
544 static int64_t get_clock(void)
549 return ((int64_t)tb.time * 1000 + (int64_t)tb.millitm) * 1000;
552 gettimeofday(&tv, NULL);
553 return tv.tv_sec * 1000000LL + tv.tv_usec;
557 void cpu_calibrate_ticks(void)
562 ticks = cpu_get_real_ticks();
568 usec = get_clock() - usec;
569 ticks = cpu_get_real_ticks() - ticks;
570 ticks_per_sec = (ticks * 1000000LL + (usec >> 1)) / usec;
573 /* compute with 96 bit intermediate result: (a*b)/c */
574 uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
579 #ifdef WORDS_BIGENDIAN
589 rl = (uint64_t)u.l.low * (uint64_t)b;
590 rh = (uint64_t)u.l.high * (uint64_t)b;
593 res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
597 #define QEMU_TIMER_REALTIME 0
598 #define QEMU_TIMER_VIRTUAL 1
602 /* XXX: add frequency */
610 struct QEMUTimer *next;
616 static QEMUTimer *active_timers[2];
618 static MMRESULT timerID;
620 /* frequency of the times() clock tick */
621 static int timer_freq;
624 QEMUClock *qemu_new_clock(int type)
627 clock = qemu_mallocz(sizeof(QEMUClock));
634 QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque)
638 ts = qemu_mallocz(sizeof(QEMUTimer));
645 void qemu_free_timer(QEMUTimer *ts)
650 /* stop a timer, but do not dealloc it */
651 void qemu_del_timer(QEMUTimer *ts)
655 /* NOTE: this code must be signal safe because
656 qemu_timer_expired() can be called from a signal. */
657 pt = &active_timers[ts->clock->type];
670 /* modify the current timer so that it will be fired when current_time
671 >= expire_time. The corresponding callback will be called. */
672 void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time)
678 /* add the timer in the sorted list */
679 /* NOTE: this code must be signal safe because
680 qemu_timer_expired() can be called from a signal. */
681 pt = &active_timers[ts->clock->type];
686 if (t->expire_time > expire_time)
690 ts->expire_time = expire_time;
695 int qemu_timer_pending(QEMUTimer *ts)
698 for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) {
705 static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time)
709 return (timer_head->expire_time <= current_time);
712 static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time)
718 if (!ts || ts->expire_time > current_time)
720 /* remove timer from the list before calling the callback */
721 *ptimer_head = ts->next;
724 /* run the callback (the timer list can be modified) */
729 int64_t qemu_get_clock(QEMUClock *clock)
731 switch(clock->type) {
732 case QEMU_TIMER_REALTIME:
734 return GetTickCount();
739 /* Note that using gettimeofday() is not a good solution
740 for timers because its value change when the date is
742 if (timer_freq == 100) {
743 return times(&tp) * 10;
745 return ((int64_t)times(&tp) * 1000) / timer_freq;
750 case QEMU_TIMER_VIRTUAL:
751 return cpu_get_ticks();
756 void qemu_put_timer(QEMUFile *f, QEMUTimer *ts)
758 uint64_t expire_time;
760 if (qemu_timer_pending(ts)) {
761 expire_time = ts->expire_time;
765 qemu_put_be64(f, expire_time);
768 void qemu_get_timer(QEMUFile *f, QEMUTimer *ts)
770 uint64_t expire_time;
772 expire_time = qemu_get_be64(f);
773 if (expire_time != -1) {
774 qemu_mod_timer(ts, expire_time);
780 static void timer_save(QEMUFile *f, void *opaque)
782 if (cpu_ticks_enabled) {
783 hw_error("cannot save state if virtual timers are running");
785 qemu_put_be64s(f, &cpu_ticks_offset);
786 qemu_put_be64s(f, &ticks_per_sec);
789 static int timer_load(QEMUFile *f, void *opaque, int version_id)
793 if (cpu_ticks_enabled) {
796 qemu_get_be64s(f, &cpu_ticks_offset);
797 qemu_get_be64s(f, &ticks_per_sec);
802 void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg,
803 DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2)
805 static void host_alarm_handler(int host_signum)
809 #define DISP_FREQ 1000
811 static int64_t delta_min = INT64_MAX;
812 static int64_t delta_max, delta_cum, last_clock, delta, ti;
814 ti = qemu_get_clock(vm_clock);
815 if (last_clock != 0) {
816 delta = ti - last_clock;
817 if (delta < delta_min)
819 if (delta > delta_max)
822 if (++count == DISP_FREQ) {
823 printf("timer: min=%lld us max=%lld us avg=%lld us avg_freq=%0.3f Hz\n",
824 muldiv64(delta_min, 1000000, ticks_per_sec),
825 muldiv64(delta_max, 1000000, ticks_per_sec),
826 muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec),
827 (double)ticks_per_sec / ((double)delta_cum / DISP_FREQ));
829 delta_min = INT64_MAX;
837 if (qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL],
838 qemu_get_clock(vm_clock)) ||
839 qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME],
840 qemu_get_clock(rt_clock))) {
841 /* stop the cpu because a timer occured */
842 cpu_interrupt(global_env, CPU_INTERRUPT_EXIT);
848 #if defined(__linux__)
850 #define RTC_FREQ 1024
854 static int start_rtc_timer(void)
856 rtc_fd = open("/dev/rtc", O_RDONLY);
859 if (ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) {
860 fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
861 "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
862 "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
865 if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) {
870 pit_min_timer_count = PIT_FREQ / RTC_FREQ;
876 static int start_rtc_timer(void)
881 #endif /* !defined(__linux__) */
883 #endif /* !defined(_WIN32) */
885 static void init_timers(void)
887 rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME);
888 vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL);
893 timerID = timeSetEvent(10, // interval (ms)
895 host_alarm_handler, // function
896 (DWORD)&count, // user parameter
897 TIME_PERIODIC | TIME_CALLBACK_FUNCTION);
899 perror("failed timer alarm");
903 pit_min_timer_count = ((uint64_t)10000 * PIT_FREQ) / 1000000;
906 struct sigaction act;
907 struct itimerval itv;
909 /* get times() syscall frequency */
910 timer_freq = sysconf(_SC_CLK_TCK);
913 sigfillset(&act.sa_mask);
915 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
916 act.sa_flags |= SA_ONSTACK;
918 act.sa_handler = host_alarm_handler;
919 sigaction(SIGALRM, &act, NULL);
921 itv.it_interval.tv_sec = 0;
922 itv.it_interval.tv_usec = 1000;
923 itv.it_value.tv_sec = 0;
924 itv.it_value.tv_usec = 10 * 1000;
925 setitimer(ITIMER_REAL, &itv, NULL);
926 /* we probe the tick duration of the kernel to inform the user if
927 the emulated kernel requested a too high timer frequency */
928 getitimer(ITIMER_REAL, &itv);
930 #if defined(__linux__)
931 if (itv.it_interval.tv_usec > 1000) {
932 /* try to use /dev/rtc to have a faster timer */
933 if (start_rtc_timer() < 0)
936 itv.it_interval.tv_sec = 0;
937 itv.it_interval.tv_usec = 0;
938 itv.it_value.tv_sec = 0;
939 itv.it_value.tv_usec = 0;
940 setitimer(ITIMER_REAL, &itv, NULL);
943 sigaction(SIGIO, &act, NULL);
944 fcntl(rtc_fd, F_SETFL, O_ASYNC);
945 fcntl(rtc_fd, F_SETOWN, getpid());
947 #endif /* defined(__linux__) */
950 pit_min_timer_count = ((uint64_t)itv.it_interval.tv_usec *
957 void quit_timers(void)
960 timeKillEvent(timerID);
964 /***********************************************************/
965 /* character device */
967 int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len)
969 return s->chr_write(s, buf, len);
972 void qemu_chr_printf(CharDriverState *s, const char *fmt, ...)
977 vsnprintf(buf, sizeof(buf), fmt, ap);
978 qemu_chr_write(s, buf, strlen(buf));
982 void qemu_chr_send_event(CharDriverState *s, int event)
984 if (s->chr_send_event)
985 s->chr_send_event(s, event);
988 void qemu_chr_add_read_handler(CharDriverState *s,
989 IOCanRWHandler *fd_can_read,
990 IOReadHandler *fd_read, void *opaque)
992 s->chr_add_read_handler(s, fd_can_read, fd_read, opaque);
995 void qemu_chr_add_event_handler(CharDriverState *s, IOEventHandler *chr_event)
997 s->chr_event = chr_event;
1000 static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1005 static void null_chr_add_read_handler(CharDriverState *chr,
1006 IOCanRWHandler *fd_can_read,
1007 IOReadHandler *fd_read, void *opaque)
1011 CharDriverState *qemu_chr_open_null(void)
1013 CharDriverState *chr;
1015 chr = qemu_mallocz(sizeof(CharDriverState));
1018 chr->chr_write = null_chr_write;
1019 chr->chr_add_read_handler = null_chr_add_read_handler;
1027 /* for nographic stdio only */
1028 IOCanRWHandler *fd_can_read;
1029 IOReadHandler *fd_read;
1033 #define STDIO_MAX_CLIENTS 2
1035 static int stdio_nb_clients;
1036 static CharDriverState *stdio_clients[STDIO_MAX_CLIENTS];
1038 static int unix_write(int fd, const uint8_t *buf, int len1)
1044 ret = write(fd, buf, len);
1046 if (errno != EINTR && errno != EAGAIN)
1048 } else if (ret == 0) {
1058 static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1060 FDCharDriver *s = chr->opaque;
1061 return unix_write(s->fd_out, buf, len);
1064 static void fd_chr_add_read_handler(CharDriverState *chr,
1065 IOCanRWHandler *fd_can_read,
1066 IOReadHandler *fd_read, void *opaque)
1068 FDCharDriver *s = chr->opaque;
1070 if (nographic && s->fd_in == 0) {
1071 s->fd_can_read = fd_can_read;
1072 s->fd_read = fd_read;
1073 s->fd_opaque = opaque;
1075 qemu_add_fd_read_handler(s->fd_in, fd_can_read, fd_read, opaque);
1079 /* open a character device to a unix fd */
1080 CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out)
1082 CharDriverState *chr;
1085 chr = qemu_mallocz(sizeof(CharDriverState));
1088 s = qemu_mallocz(sizeof(FDCharDriver));
1096 chr->chr_write = fd_chr_write;
1097 chr->chr_add_read_handler = fd_chr_add_read_handler;
1101 /* for STDIO, we handle the case where several clients use it
1104 #define TERM_ESCAPE 0x01 /* ctrl-a is used for escape */
1106 static int term_got_escape, client_index;
1108 void term_print_help(void)
1111 "C-a h print this help\n"
1112 "C-a x exit emulator\n"
1113 "C-a s save disk data back to file (if -snapshot)\n"
1114 "C-a b send break (magic sysrq)\n"
1115 "C-a c switch between console and monitor\n"
1116 "C-a C-a send C-a\n"
1120 /* called when a char is received */
1121 static void stdio_received_byte(int ch)
1123 if (term_got_escape) {
1124 term_got_escape = 0;
1135 for (i = 0; i < MAX_DISKS; i++) {
1137 bdrv_commit(bs_table[i]);
1142 if (client_index < stdio_nb_clients) {
1143 CharDriverState *chr;
1146 chr = stdio_clients[client_index];
1148 chr->chr_event(s->fd_opaque, CHR_EVENT_BREAK);
1153 if (client_index >= stdio_nb_clients)
1155 if (client_index == 0) {
1156 /* send a new line in the monitor to get the prompt */
1164 } else if (ch == TERM_ESCAPE) {
1165 term_got_escape = 1;
1168 if (client_index < stdio_nb_clients) {
1170 CharDriverState *chr;
1173 chr = stdio_clients[client_index];
1176 /* XXX: should queue the char if the device is not
1178 if (s->fd_can_read(s->fd_opaque) > 0)
1179 s->fd_read(s->fd_opaque, buf, 1);
1184 static int stdio_can_read(void *opaque)
1186 /* XXX: not strictly correct */
1190 static void stdio_read(void *opaque, const uint8_t *buf, int size)
1193 for(i = 0; i < size; i++)
1194 stdio_received_byte(buf[i]);
1197 /* init terminal so that we can grab keys */
1198 static struct termios oldtty;
1199 static int old_fd0_flags;
1201 static void term_exit(void)
1203 tcsetattr (0, TCSANOW, &oldtty);
1204 fcntl(0, F_SETFL, old_fd0_flags);
1207 static void term_init(void)
1211 tcgetattr (0, &tty);
1213 old_fd0_flags = fcntl(0, F_GETFL);
1215 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
1216 |INLCR|IGNCR|ICRNL|IXON);
1217 tty.c_oflag |= OPOST;
1218 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
1219 /* if graphical mode, we allow Ctrl-C handling */
1221 tty.c_lflag &= ~ISIG;
1222 tty.c_cflag &= ~(CSIZE|PARENB);
1225 tty.c_cc[VTIME] = 0;
1227 tcsetattr (0, TCSANOW, &tty);
1231 fcntl(0, F_SETFL, O_NONBLOCK);
1234 CharDriverState *qemu_chr_open_stdio(void)
1236 CharDriverState *chr;
1239 if (stdio_nb_clients >= STDIO_MAX_CLIENTS)
1241 chr = qemu_chr_open_fd(0, 1);
1242 if (stdio_nb_clients == 0)
1243 qemu_add_fd_read_handler(0, stdio_can_read, stdio_read, NULL);
1244 client_index = stdio_nb_clients;
1246 if (stdio_nb_clients != 0)
1248 chr = qemu_chr_open_fd(0, 1);
1250 stdio_clients[stdio_nb_clients++] = chr;
1251 if (stdio_nb_clients == 1) {
1252 /* set the terminal in raw mode */
1258 #if defined(__linux__)
1259 CharDriverState *qemu_chr_open_pty(void)
1261 char slave_name[1024];
1262 int master_fd, slave_fd;
1264 /* Not satisfying */
1265 if (openpty(&master_fd, &slave_fd, slave_name, NULL, NULL) < 0) {
1268 fprintf(stderr, "char device redirected to %s\n", slave_name);
1269 return qemu_chr_open_fd(master_fd, master_fd);
1272 CharDriverState *qemu_chr_open_pty(void)
1278 #endif /* !defined(_WIN32) */
1280 CharDriverState *qemu_chr_open(const char *filename)
1282 if (!strcmp(filename, "vc")) {
1283 return text_console_init(&display_state);
1284 } else if (!strcmp(filename, "null")) {
1285 return qemu_chr_open_null();
1288 if (!strcmp(filename, "pty")) {
1289 return qemu_chr_open_pty();
1290 } else if (!strcmp(filename, "stdio")) {
1291 return qemu_chr_open_stdio();
1299 /***********************************************************/
1300 /* Linux network device redirectors */
1302 void hex_dump(FILE *f, const uint8_t *buf, int size)
1306 for(i=0;i<size;i+=16) {
1310 fprintf(f, "%08x ", i);
1313 fprintf(f, " %02x", buf[i+j]);
1318 for(j=0;j<len;j++) {
1320 if (c < ' ' || c > '~')
1322 fprintf(f, "%c", c);
1328 void qemu_send_packet(NetDriverState *nd, const uint8_t *buf, int size)
1330 nd->send_packet(nd, buf, size);
1333 void qemu_add_read_packet(NetDriverState *nd, IOCanRWHandler *fd_can_read,
1334 IOReadHandler *fd_read, void *opaque)
1336 nd->add_read_packet(nd, fd_can_read, fd_read, opaque);
1339 /* dummy network adapter */
1341 static void dummy_send_packet(NetDriverState *nd, const uint8_t *buf, int size)
1345 static void dummy_add_read_packet(NetDriverState *nd,
1346 IOCanRWHandler *fd_can_read,
1347 IOReadHandler *fd_read, void *opaque)
1351 static int net_dummy_init(NetDriverState *nd)
1353 nd->send_packet = dummy_send_packet;
1354 nd->add_read_packet = dummy_add_read_packet;
1355 pstrcpy(nd->ifname, sizeof(nd->ifname), "dummy");
1359 #if defined(CONFIG_SLIRP)
1361 /* slirp network adapter */
1363 static void *slirp_fd_opaque;
1364 static IOCanRWHandler *slirp_fd_can_read;
1365 static IOReadHandler *slirp_fd_read;
1366 static int slirp_inited;
1368 int slirp_can_output(void)
1370 return slirp_fd_can_read(slirp_fd_opaque);
1373 void slirp_output(const uint8_t *pkt, int pkt_len)
1376 printf("output:\n");
1377 hex_dump(stdout, pkt, pkt_len);
1379 slirp_fd_read(slirp_fd_opaque, pkt, pkt_len);
1382 static void slirp_send_packet(NetDriverState *nd, const uint8_t *buf, int size)
1386 hex_dump(stdout, buf, size);
1388 slirp_input(buf, size);
1391 static void slirp_add_read_packet(NetDriverState *nd,
1392 IOCanRWHandler *fd_can_read,
1393 IOReadHandler *fd_read, void *opaque)
1395 slirp_fd_opaque = opaque;
1396 slirp_fd_can_read = fd_can_read;
1397 slirp_fd_read = fd_read;
1400 static int net_slirp_init(NetDriverState *nd)
1402 if (!slirp_inited) {
1406 nd->send_packet = slirp_send_packet;
1407 nd->add_read_packet = slirp_add_read_packet;
1408 pstrcpy(nd->ifname, sizeof(nd->ifname), "slirp");
1412 static int get_str_sep(char *buf, int buf_size, const char **pp, int sep)
1417 p1 = strchr(p, sep);
1423 if (len > buf_size - 1)
1425 memcpy(buf, p, len);
1432 static void net_slirp_redir(const char *redir_str)
1437 struct in_addr guest_addr;
1438 int host_port, guest_port;
1440 if (!slirp_inited) {
1446 if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
1448 if (!strcmp(buf, "tcp")) {
1450 } else if (!strcmp(buf, "udp")) {
1456 if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
1458 host_port = strtol(buf, &r, 0);
1462 if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
1464 if (buf[0] == '\0') {
1465 pstrcpy(buf, sizeof(buf), "10.0.2.15");
1467 if (!inet_aton(buf, &guest_addr))
1470 guest_port = strtol(p, &r, 0);
1474 if (slirp_redir(is_udp, host_port, guest_addr, guest_port) < 0) {
1475 fprintf(stderr, "qemu: could not set up redirection\n");
1480 fprintf(stderr, "qemu: syntax: -redir [tcp|udp]:host-port:[guest-host]:guest-port\n");
1488 static void smb_exit(void)
1492 char filename[1024];
1494 /* erase all the files in the directory */
1495 d = opendir(smb_dir);
1500 if (strcmp(de->d_name, ".") != 0 &&
1501 strcmp(de->d_name, "..") != 0) {
1502 snprintf(filename, sizeof(filename), "%s/%s",
1503 smb_dir, de->d_name);
1511 /* automatic user mode samba server configuration */
1512 void net_slirp_smb(const char *exported_dir)
1514 char smb_conf[1024];
1515 char smb_cmdline[1024];
1518 if (!slirp_inited) {
1523 /* XXX: better tmp dir construction */
1524 snprintf(smb_dir, sizeof(smb_dir), "/tmp/qemu-smb.%d", getpid());
1525 if (mkdir(smb_dir, 0700) < 0) {
1526 fprintf(stderr, "qemu: could not create samba server dir '%s'\n", smb_dir);
1529 snprintf(smb_conf, sizeof(smb_conf), "%s/%s", smb_dir, "smb.conf");
1531 f = fopen(smb_conf, "w");
1533 fprintf(stderr, "qemu: could not create samba server configuration file '%s'\n", smb_conf);
1538 "pid directory=%s\n"
1539 "lock directory=%s\n"
1540 "log file=%s/log.smbd\n"
1541 "smb passwd file=%s/smbpasswd\n"
1542 "security = share\n"
1556 snprintf(smb_cmdline, sizeof(smb_cmdline), "/usr/sbin/smbd -s %s",
1559 slirp_add_exec(0, smb_cmdline, 4, 139);
1562 #endif /* !defined(_WIN32) */
1564 #endif /* CONFIG_SLIRP */
1566 #if !defined(_WIN32)
1568 static int tun_open(char *ifname, int ifname_size)
1574 fd = open("/dev/tap", O_RDWR);
1576 fprintf(stderr, "warning: could not open /dev/tap: no virtual network emulation\n");
1581 dev = devname(s.st_rdev, S_IFCHR);
1582 pstrcpy(ifname, ifname_size, dev);
1584 fcntl(fd, F_SETFL, O_NONBLOCK);
1588 static int tun_open(char *ifname, int ifname_size)
1593 fd = open("/dev/net/tun", O_RDWR);
1595 fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n");
1598 memset(&ifr, 0, sizeof(ifr));
1599 ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
1600 pstrcpy(ifr.ifr_name, IFNAMSIZ, "tun%d");
1601 ret = ioctl(fd, TUNSETIFF, (void *) &ifr);
1603 fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n");
1607 printf("Connected to host network interface: %s\n", ifr.ifr_name);
1608 pstrcpy(ifname, ifname_size, ifr.ifr_name);
1609 fcntl(fd, F_SETFL, O_NONBLOCK);
1614 static void tun_send_packet(NetDriverState *nd, const uint8_t *buf, int size)
1616 write(nd->fd, buf, size);
1619 static void tun_add_read_packet(NetDriverState *nd,
1620 IOCanRWHandler *fd_can_read,
1621 IOReadHandler *fd_read, void *opaque)
1623 qemu_add_fd_read_handler(nd->fd, fd_can_read, fd_read, opaque);
1626 static int net_tun_init(NetDriverState *nd)
1632 nd->fd = tun_open(nd->ifname, sizeof(nd->ifname));
1636 /* try to launch network init script */
1641 *parg++ = network_script;
1642 *parg++ = nd->ifname;
1644 execv(network_script, args);
1647 while (waitpid(pid, &status, 0) != pid);
1648 if (!WIFEXITED(status) ||
1649 WEXITSTATUS(status) != 0) {
1650 fprintf(stderr, "%s: could not launch network script\n",
1654 nd->send_packet = tun_send_packet;
1655 nd->add_read_packet = tun_add_read_packet;
1659 static int net_fd_init(NetDriverState *nd, int fd)
1662 nd->send_packet = tun_send_packet;
1663 nd->add_read_packet = tun_add_read_packet;
1664 pstrcpy(nd->ifname, sizeof(nd->ifname), "tunfd");
1668 #endif /* !_WIN32 */
1670 /***********************************************************/
1673 static char *pid_filename;
1675 /* Remove PID file. Called on normal exit */
1677 static void remove_pidfile(void)
1679 unlink (pid_filename);
1682 static void create_pidfile(const char *filename)
1684 struct stat pidstat;
1687 /* Try to write our PID to the named file */
1688 if (stat(filename, &pidstat) < 0) {
1689 if (errno == ENOENT) {
1690 if ((f = fopen (filename, "w")) == NULL) {
1691 perror("Opening pidfile");
1694 fprintf(f, "%d\n", getpid());
1696 pid_filename = qemu_strdup(filename);
1697 if (!pid_filename) {
1698 fprintf(stderr, "Could not save PID filename");
1701 atexit(remove_pidfile);
1704 fprintf(stderr, "%s already exists. Remove it and try again.\n",
1710 /***********************************************************/
1713 static void dumb_update(DisplayState *ds, int x, int y, int w, int h)
1717 static void dumb_resize(DisplayState *ds, int w, int h)
1721 static void dumb_refresh(DisplayState *ds)
1723 vga_update_display();
1726 void dumb_display_init(DisplayState *ds)
1731 ds->dpy_update = dumb_update;
1732 ds->dpy_resize = dumb_resize;
1733 ds->dpy_refresh = dumb_refresh;
1736 #if !defined(CONFIG_SOFTMMU)
1737 /***********************************************************/
1738 /* cpu signal handler */
1739 static void host_segv_handler(int host_signum, siginfo_t *info,
1742 if (cpu_signal_handler(host_signum, info, puc))
1744 if (stdio_nb_clients > 0)
1750 /***********************************************************/
1753 #define MAX_IO_HANDLERS 64
1755 typedef struct IOHandlerRecord {
1757 IOCanRWHandler *fd_can_read;
1758 IOReadHandler *fd_read;
1760 /* temporary data */
1763 struct IOHandlerRecord *next;
1766 static IOHandlerRecord *first_io_handler;
1768 int qemu_add_fd_read_handler(int fd, IOCanRWHandler *fd_can_read,
1769 IOReadHandler *fd_read, void *opaque)
1771 IOHandlerRecord *ioh;
1773 ioh = qemu_mallocz(sizeof(IOHandlerRecord));
1777 ioh->fd_can_read = fd_can_read;
1778 ioh->fd_read = fd_read;
1779 ioh->opaque = opaque;
1780 ioh->next = first_io_handler;
1781 first_io_handler = ioh;
1785 void qemu_del_fd_read_handler(int fd)
1787 IOHandlerRecord **pioh, *ioh;
1789 pioh = &first_io_handler;
1794 if (ioh->fd == fd) {
1802 /***********************************************************/
1803 /* savevm/loadvm support */
1805 void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size)
1807 fwrite(buf, 1, size, f);
1810 void qemu_put_byte(QEMUFile *f, int v)
1815 void qemu_put_be16(QEMUFile *f, unsigned int v)
1817 qemu_put_byte(f, v >> 8);
1818 qemu_put_byte(f, v);
1821 void qemu_put_be32(QEMUFile *f, unsigned int v)
1823 qemu_put_byte(f, v >> 24);
1824 qemu_put_byte(f, v >> 16);
1825 qemu_put_byte(f, v >> 8);
1826 qemu_put_byte(f, v);
1829 void qemu_put_be64(QEMUFile *f, uint64_t v)
1831 qemu_put_be32(f, v >> 32);
1832 qemu_put_be32(f, v);
1835 int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size)
1837 return fread(buf, 1, size, f);
1840 int qemu_get_byte(QEMUFile *f)
1850 unsigned int qemu_get_be16(QEMUFile *f)
1853 v = qemu_get_byte(f) << 8;
1854 v |= qemu_get_byte(f);
1858 unsigned int qemu_get_be32(QEMUFile *f)
1861 v = qemu_get_byte(f) << 24;
1862 v |= qemu_get_byte(f) << 16;
1863 v |= qemu_get_byte(f) << 8;
1864 v |= qemu_get_byte(f);
1868 uint64_t qemu_get_be64(QEMUFile *f)
1871 v = (uint64_t)qemu_get_be32(f) << 32;
1872 v |= qemu_get_be32(f);
1876 int64_t qemu_ftell(QEMUFile *f)
1881 int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence)
1883 if (fseek(f, pos, whence) < 0)
1888 typedef struct SaveStateEntry {
1892 SaveStateHandler *save_state;
1893 LoadStateHandler *load_state;
1895 struct SaveStateEntry *next;
1898 static SaveStateEntry *first_se;
1900 int register_savevm(const char *idstr,
1903 SaveStateHandler *save_state,
1904 LoadStateHandler *load_state,
1907 SaveStateEntry *se, **pse;
1909 se = qemu_malloc(sizeof(SaveStateEntry));
1912 pstrcpy(se->idstr, sizeof(se->idstr), idstr);
1913 se->instance_id = instance_id;
1914 se->version_id = version_id;
1915 se->save_state = save_state;
1916 se->load_state = load_state;
1917 se->opaque = opaque;
1920 /* add at the end of list */
1922 while (*pse != NULL)
1923 pse = &(*pse)->next;
1928 #define QEMU_VM_FILE_MAGIC 0x5145564d
1929 #define QEMU_VM_FILE_VERSION 0x00000001
1931 int qemu_savevm(const char *filename)
1935 int len, len_pos, cur_pos, saved_vm_running, ret;
1937 saved_vm_running = vm_running;
1940 f = fopen(filename, "wb");
1946 qemu_put_be32(f, QEMU_VM_FILE_MAGIC);
1947 qemu_put_be32(f, QEMU_VM_FILE_VERSION);
1949 for(se = first_se; se != NULL; se = se->next) {
1951 len = strlen(se->idstr);
1952 qemu_put_byte(f, len);
1953 qemu_put_buffer(f, se->idstr, len);
1955 qemu_put_be32(f, se->instance_id);
1956 qemu_put_be32(f, se->version_id);
1958 /* record size: filled later */
1960 qemu_put_be32(f, 0);
1962 se->save_state(f, se->opaque);
1964 /* fill record size */
1966 len = ftell(f) - len_pos - 4;
1967 fseek(f, len_pos, SEEK_SET);
1968 qemu_put_be32(f, len);
1969 fseek(f, cur_pos, SEEK_SET);
1975 if (saved_vm_running)
1980 static SaveStateEntry *find_se(const char *idstr, int instance_id)
1984 for(se = first_se; se != NULL; se = se->next) {
1985 if (!strcmp(se->idstr, idstr) &&
1986 instance_id == se->instance_id)
1992 int qemu_loadvm(const char *filename)
1996 int len, cur_pos, ret, instance_id, record_len, version_id;
1997 int saved_vm_running;
2001 saved_vm_running = vm_running;
2004 f = fopen(filename, "rb");
2010 v = qemu_get_be32(f);
2011 if (v != QEMU_VM_FILE_MAGIC)
2013 v = qemu_get_be32(f);
2014 if (v != QEMU_VM_FILE_VERSION) {
2021 #if defined (DO_TB_FLUSH)
2022 tb_flush(global_env);
2024 len = qemu_get_byte(f);
2027 qemu_get_buffer(f, idstr, len);
2029 instance_id = qemu_get_be32(f);
2030 version_id = qemu_get_be32(f);
2031 record_len = qemu_get_be32(f);
2033 printf("idstr=%s instance=0x%x version=%d len=%d\n",
2034 idstr, instance_id, version_id, record_len);
2037 se = find_se(idstr, instance_id);
2039 fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n",
2040 instance_id, idstr);
2042 ret = se->load_state(f, se->opaque, version_id);
2044 fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n",
2045 instance_id, idstr);
2048 /* always seek to exact end of record */
2049 qemu_fseek(f, cur_pos + record_len, SEEK_SET);
2054 if (saved_vm_running)
2059 /***********************************************************/
2060 /* cpu save/restore */
2062 #if defined(TARGET_I386)
2064 static void cpu_put_seg(QEMUFile *f, SegmentCache *dt)
2066 qemu_put_be32(f, dt->selector);
2067 qemu_put_be32(f, (uint32_t)dt->base);
2068 qemu_put_be32(f, dt->limit);
2069 qemu_put_be32(f, dt->flags);
2072 static void cpu_get_seg(QEMUFile *f, SegmentCache *dt)
2074 dt->selector = qemu_get_be32(f);
2075 dt->base = (uint8_t *)qemu_get_be32(f);
2076 dt->limit = qemu_get_be32(f);
2077 dt->flags = qemu_get_be32(f);
2080 void cpu_save(QEMUFile *f, void *opaque)
2082 CPUState *env = opaque;
2083 uint16_t fptag, fpus, fpuc;
2087 for(i = 0; i < 8; i++)
2088 qemu_put_be32s(f, &env->regs[i]);
2089 qemu_put_be32s(f, &env->eip);
2090 qemu_put_be32s(f, &env->eflags);
2091 qemu_put_be32s(f, &env->eflags);
2092 hflags = env->hflags; /* XXX: suppress most of the redundant hflags */
2093 qemu_put_be32s(f, &hflags);
2097 fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11;
2099 for (i=7; i>=0; i--) {
2101 if (env->fptags[i]) {
2106 qemu_put_be16s(f, &fpuc);
2107 qemu_put_be16s(f, &fpus);
2108 qemu_put_be16s(f, &fptag);
2110 for(i = 0; i < 8; i++) {
2113 cpu_get_fp80(&mant, &exp, env->fpregs[i]);
2114 qemu_put_be64(f, mant);
2115 qemu_put_be16(f, exp);
2118 for(i = 0; i < 6; i++)
2119 cpu_put_seg(f, &env->segs[i]);
2120 cpu_put_seg(f, &env->ldt);
2121 cpu_put_seg(f, &env->tr);
2122 cpu_put_seg(f, &env->gdt);
2123 cpu_put_seg(f, &env->idt);
2125 qemu_put_be32s(f, &env->sysenter_cs);
2126 qemu_put_be32s(f, &env->sysenter_esp);
2127 qemu_put_be32s(f, &env->sysenter_eip);
2129 qemu_put_be32s(f, &env->cr[0]);
2130 qemu_put_be32s(f, &env->cr[2]);
2131 qemu_put_be32s(f, &env->cr[3]);
2132 qemu_put_be32s(f, &env->cr[4]);
2134 for(i = 0; i < 8; i++)
2135 qemu_put_be32s(f, &env->dr[i]);
2138 qemu_put_be32s(f, &env->a20_mask);
2141 int cpu_load(QEMUFile *f, void *opaque, int version_id)
2143 CPUState *env = opaque;
2146 uint16_t fpus, fpuc, fptag;
2148 if (version_id != 2)
2150 for(i = 0; i < 8; i++)
2151 qemu_get_be32s(f, &env->regs[i]);
2152 qemu_get_be32s(f, &env->eip);
2153 qemu_get_be32s(f, &env->eflags);
2154 qemu_get_be32s(f, &env->eflags);
2155 qemu_get_be32s(f, &hflags);
2157 qemu_get_be16s(f, &fpuc);
2158 qemu_get_be16s(f, &fpus);
2159 qemu_get_be16s(f, &fptag);
2161 for(i = 0; i < 8; i++) {
2164 mant = qemu_get_be64(f);
2165 exp = qemu_get_be16(f);
2166 env->fpregs[i] = cpu_set_fp80(mant, exp);
2170 env->fpstt = (fpus >> 11) & 7;
2171 env->fpus = fpus & ~0x3800;
2172 for(i = 0; i < 8; i++) {
2173 env->fptags[i] = ((fptag & 3) == 3);
2177 for(i = 0; i < 6; i++)
2178 cpu_get_seg(f, &env->segs[i]);
2179 cpu_get_seg(f, &env->ldt);
2180 cpu_get_seg(f, &env->tr);
2181 cpu_get_seg(f, &env->gdt);
2182 cpu_get_seg(f, &env->idt);
2184 qemu_get_be32s(f, &env->sysenter_cs);
2185 qemu_get_be32s(f, &env->sysenter_esp);
2186 qemu_get_be32s(f, &env->sysenter_eip);
2188 qemu_get_be32s(f, &env->cr[0]);
2189 qemu_get_be32s(f, &env->cr[2]);
2190 qemu_get_be32s(f, &env->cr[3]);
2191 qemu_get_be32s(f, &env->cr[4]);
2193 for(i = 0; i < 8; i++)
2194 qemu_get_be32s(f, &env->dr[i]);
2197 qemu_get_be32s(f, &env->a20_mask);
2199 /* XXX: compute hflags from scratch, except for CPL and IIF */
2200 env->hflags = hflags;
2205 #elif defined(TARGET_PPC)
2206 void cpu_save(QEMUFile *f, void *opaque)
2210 int cpu_load(QEMUFile *f, void *opaque, int version_id)
2214 #elif defined(TARGET_SPARC)
2215 void cpu_save(QEMUFile *f, void *opaque)
2219 int cpu_load(QEMUFile *f, void *opaque, int version_id)
2225 #warning No CPU save/restore functions
2229 /***********************************************************/
2230 /* ram save/restore */
2232 /* we just avoid storing empty pages */
2233 static void ram_put_page(QEMUFile *f, const uint8_t *buf, int len)
2238 for(i = 1; i < len; i++) {
2242 qemu_put_byte(f, 1);
2243 qemu_put_byte(f, v);
2246 qemu_put_byte(f, 0);
2247 qemu_put_buffer(f, buf, len);
2250 static int ram_get_page(QEMUFile *f, uint8_t *buf, int len)
2254 v = qemu_get_byte(f);
2257 if (qemu_get_buffer(f, buf, len) != len)
2261 v = qemu_get_byte(f);
2262 memset(buf, v, len);
2270 static void ram_save(QEMUFile *f, void *opaque)
2273 qemu_put_be32(f, phys_ram_size);
2274 for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) {
2275 ram_put_page(f, phys_ram_base + i, TARGET_PAGE_SIZE);
2279 static int ram_load(QEMUFile *f, void *opaque, int version_id)
2283 if (version_id != 1)
2285 if (qemu_get_be32(f) != phys_ram_size)
2287 for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) {
2288 ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE);
2295 /***********************************************************/
2296 /* main execution loop */
2298 void gui_update(void *opaque)
2300 display_state.dpy_refresh(&display_state);
2301 qemu_mod_timer(gui_timer, GUI_REFRESH_INTERVAL + qemu_get_clock(rt_clock));
2304 /* XXX: support several handlers */
2305 VMStopHandler *vm_stop_cb;
2306 VMStopHandler *vm_stop_opaque;
2308 int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque)
2311 vm_stop_opaque = opaque;
2315 void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque)
2328 void vm_stop(int reason)
2331 cpu_disable_ticks();
2335 vm_stop_cb(vm_stop_opaque, reason);
2341 /* reset/shutdown handler */
2343 typedef struct QEMUResetEntry {
2344 QEMUResetHandler *func;
2346 struct QEMUResetEntry *next;
2349 static QEMUResetEntry *first_reset_entry;
2350 static int reset_requested;
2351 static int shutdown_requested;
2353 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
2355 QEMUResetEntry **pre, *re;
2357 pre = &first_reset_entry;
2358 while (*pre != NULL)
2359 pre = &(*pre)->next;
2360 re = qemu_mallocz(sizeof(QEMUResetEntry));
2362 re->opaque = opaque;
2367 void qemu_system_reset(void)
2371 /* reset all devices */
2372 for(re = first_reset_entry; re != NULL; re = re->next) {
2373 re->func(re->opaque);
2377 void qemu_system_reset_request(void)
2379 reset_requested = 1;
2380 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
2383 void qemu_system_shutdown_request(void)
2385 shutdown_requested = 1;
2386 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
2389 static void main_cpu_reset(void *opaque)
2392 CPUState *env = opaque;
2397 void main_loop_wait(int timeout)
2400 struct pollfd ufds[MAX_IO_HANDLERS + 1], *pf;
2401 IOHandlerRecord *ioh, *ioh_next;
2411 /* poll any events */
2412 /* XXX: separate device handlers from system ones */
2414 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
2415 if (!ioh->fd_can_read) {
2418 pf->events = POLLIN;
2422 max_size = ioh->fd_can_read(ioh->opaque);
2424 if (max_size > sizeof(buf))
2425 max_size = sizeof(buf);
2427 pf->events = POLLIN;
2434 ioh->max_size = max_size;
2437 ret = poll(ufds, pf - ufds, timeout);
2439 /* XXX: better handling of removal */
2440 for(ioh = first_io_handler; ioh != NULL; ioh = ioh_next) {
2441 ioh_next = ioh->next;
2444 if (pf->revents & POLLIN) {
2445 if (ioh->max_size == 0) {
2446 /* just a read event */
2447 ioh->fd_read(ioh->opaque, NULL, 0);
2449 n = read(ioh->fd, buf, ioh->max_size);
2451 ioh->fd_read(ioh->opaque, buf, n);
2452 } else if (errno != EAGAIN) {
2453 ioh->fd_read(ioh->opaque, NULL, -errno);
2460 #endif /* !defined(_WIN32) */
2461 #if defined(CONFIG_SLIRP)
2462 /* XXX: merge with poll() */
2464 fd_set rfds, wfds, xfds;
2472 slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
2475 ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
2477 slirp_select_poll(&rfds, &wfds, &xfds);
2483 qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL],
2484 qemu_get_clock(vm_clock));
2485 /* run dma transfers, if any */
2489 /* real time timers */
2490 qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME],
2491 qemu_get_clock(rt_clock));
2497 CPUState *env = global_env;
2501 ret = cpu_exec(env);
2502 if (shutdown_requested) {
2503 ret = EXCP_INTERRUPT;
2506 if (reset_requested) {
2507 reset_requested = 0;
2508 qemu_system_reset();
2509 ret = EXCP_INTERRUPT;
2511 if (ret == EXCP_DEBUG) {
2512 vm_stop(EXCP_DEBUG);
2514 /* if hlt instruction, we wait until the next IRQ */
2515 /* XXX: use timeout computed from timers */
2516 if (ret == EXCP_HLT)
2523 main_loop_wait(timeout);
2525 cpu_disable_ticks();
2531 printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2004 Fabrice Bellard\n"
2532 "usage: %s [options] [disk_image]\n"
2534 "'disk_image' is a raw hard image image for IDE hard disk 0\n"
2536 "Standard options:\n"
2537 "-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
2538 "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
2539 "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
2540 "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
2541 "-boot [a|c|d] boot on floppy (a), hard disk (c) or CD-ROM (d)\n"
2542 "-snapshot write to temporary files instead of disk image files\n"
2543 "-m megs set virtual RAM size to megs MB [default=%d]\n"
2544 "-nographic disable graphical output and redirect serial I/Os to console\n"
2546 "-k language use keyboard layout (for example \"fr\" for French)\n"
2548 "-enable-audio enable audio support\n"
2549 "-localtime set the real time clock to local time [default=utc]\n"
2550 "-full-screen start in full screen\n"
2552 "-prep Simulate a PREP system (default is PowerMAC)\n"
2553 "-g WxH[xDEPTH] Set the initial VGA graphic mode\n"
2556 "Network options:\n"
2557 "-nics n simulate 'n' network cards [default=1]\n"
2558 "-macaddr addr set the mac address of the first interface\n"
2559 "-n script set tap/tun network init script [default=%s]\n"
2560 "-tun-fd fd use this fd as already opened tap/tun interface\n"
2562 "-user-net use user mode network stack [default if no tap/tun script]\n"
2563 "-tftp prefix allow tftp access to files starting with prefix [-user-net]\n"
2565 "-smb dir allow SMB access to files in 'dir' [-user-net]\n"
2567 "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
2568 " redirect TCP or UDP connections from host to guest [-user-net]\n"
2570 "-dummy-net use dummy network stack\n"
2572 "Linux boot specific:\n"
2573 "-kernel bzImage use 'bzImage' as kernel image\n"
2574 "-append cmdline use 'cmdline' as kernel command line\n"
2575 "-initrd file use 'file' as initial ram disk\n"
2577 "Debug/Expert options:\n"
2578 "-monitor dev redirect the monitor to char device 'dev'\n"
2579 "-serial dev redirect the serial port to char device 'dev'\n"
2580 "-pidfile file Write PID to 'file'\n"
2581 "-S freeze CPU at startup (use 'c' to start execution)\n"
2582 "-s wait gdb connection to port %d\n"
2583 "-p port change gdb connection port\n"
2584 "-d item1,... output log to %s (use -d ? for a list of log items)\n"
2585 "-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n"
2586 " translation (t=none or lba) (usually qemu can guess them)\n"
2587 "-L path set the directory for the BIOS and VGA BIOS\n"
2588 #ifdef USE_CODE_COPY
2589 "-no-code-copy disable code copy acceleration\n"
2592 "-isa simulate an ISA-only system (default is PCI system)\n"
2593 "-std-vga simulate a standard VGA card with VESA Bochs Extensions\n"
2594 " (default is CL-GD5446 PCI VGA)\n"
2596 "-loadvm file start right away with a saved state (loadvm in monitor)\n"
2598 "During emulation, the following keys are useful:\n"
2599 "ctrl-alt-f toggle full screen\n"
2600 "ctrl-alt-n switch to virtual console 'n'\n"
2601 "ctrl-alt toggle mouse and keyboard grab\n"
2603 "When using -nographic, press 'ctrl-a h' to get some help.\n"
2605 #ifdef CONFIG_SOFTMMU
2611 DEFAULT_NETWORK_SCRIPT,
2612 DEFAULT_GDBSTUB_PORT,
2614 #ifndef CONFIG_SOFTMMU
2616 "NOTE: this version of QEMU is faster but it needs slightly patched OSes to\n"
2617 "work. Please use the 'qemu' executable to have a more accurate (but slower)\n"
2623 #define HAS_ARG 0x0001
2636 QEMU_OPTION_snapshot,
2638 QEMU_OPTION_nographic,
2639 QEMU_OPTION_enable_audio,
2642 QEMU_OPTION_macaddr,
2645 QEMU_OPTION_user_net,
2649 QEMU_OPTION_dummy_net,
2661 QEMU_OPTION_no_code_copy,
2666 QEMU_OPTION_localtime,
2667 QEMU_OPTION_cirrusvga,
2669 QEMU_OPTION_std_vga,
2670 QEMU_OPTION_monitor,
2673 QEMU_OPTION_full_screen,
2674 QEMU_OPTION_pidfile,
2677 typedef struct QEMUOption {
2683 const QEMUOption qemu_options[] = {
2684 { "h", 0, QEMU_OPTION_h },
2686 { "fda", HAS_ARG, QEMU_OPTION_fda },
2687 { "fdb", HAS_ARG, QEMU_OPTION_fdb },
2688 { "hda", HAS_ARG, QEMU_OPTION_hda },
2689 { "hdb", HAS_ARG, QEMU_OPTION_hdb },
2690 { "hdc", HAS_ARG, QEMU_OPTION_hdc },
2691 { "hdd", HAS_ARG, QEMU_OPTION_hdd },
2692 { "cdrom", HAS_ARG, QEMU_OPTION_cdrom },
2693 { "boot", HAS_ARG, QEMU_OPTION_boot },
2694 { "snapshot", 0, QEMU_OPTION_snapshot },
2695 { "m", HAS_ARG, QEMU_OPTION_m },
2696 { "nographic", 0, QEMU_OPTION_nographic },
2697 { "k", HAS_ARG, QEMU_OPTION_k },
2698 { "enable-audio", 0, QEMU_OPTION_enable_audio },
2700 { "nics", HAS_ARG, QEMU_OPTION_nics},
2701 { "macaddr", HAS_ARG, QEMU_OPTION_macaddr},
2702 { "n", HAS_ARG, QEMU_OPTION_n },
2703 { "tun-fd", HAS_ARG, QEMU_OPTION_tun_fd },
2705 { "user-net", 0, QEMU_OPTION_user_net },
2706 { "tftp", HAS_ARG, QEMU_OPTION_tftp },
2708 { "smb", HAS_ARG, QEMU_OPTION_smb },
2710 { "redir", HAS_ARG, QEMU_OPTION_redir },
2712 { "dummy-net", 0, QEMU_OPTION_dummy_net },
2714 { "kernel", HAS_ARG, QEMU_OPTION_kernel },
2715 { "append", HAS_ARG, QEMU_OPTION_append },
2716 { "initrd", HAS_ARG, QEMU_OPTION_initrd },
2718 { "S", 0, QEMU_OPTION_S },
2719 { "s", 0, QEMU_OPTION_s },
2720 { "p", HAS_ARG, QEMU_OPTION_p },
2721 { "d", HAS_ARG, QEMU_OPTION_d },
2722 { "hdachs", HAS_ARG, QEMU_OPTION_hdachs },
2723 { "L", HAS_ARG, QEMU_OPTION_L },
2724 { "no-code-copy", 0, QEMU_OPTION_no_code_copy },
2726 { "prep", 0, QEMU_OPTION_prep },
2727 { "g", 1, QEMU_OPTION_g },
2729 { "localtime", 0, QEMU_OPTION_localtime },
2730 { "isa", 0, QEMU_OPTION_isa },
2731 { "std-vga", 0, QEMU_OPTION_std_vga },
2732 { "monitor", 1, QEMU_OPTION_monitor },
2733 { "serial", 1, QEMU_OPTION_serial },
2734 { "loadvm", HAS_ARG, QEMU_OPTION_loadvm },
2735 { "full-screen", 0, QEMU_OPTION_full_screen },
2736 { "pidfile", HAS_ARG, QEMU_OPTION_pidfile },
2738 /* temporary options */
2739 { "pci", 0, QEMU_OPTION_pci },
2740 { "cirrusvga", 0, QEMU_OPTION_cirrusvga },
2744 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
2746 /* this stack is only used during signal handling */
2747 #define SIGNAL_STACK_SIZE 32768
2749 static uint8_t *signal_stack;
2753 /* password input */
2755 static BlockDriverState *get_bdrv(int index)
2757 BlockDriverState *bs;
2760 bs = bs_table[index];
2761 } else if (index < 6) {
2762 bs = fd_table[index - 4];
2769 static void read_passwords(void)
2771 BlockDriverState *bs;
2775 for(i = 0; i < 6; i++) {
2777 if (bs && bdrv_is_encrypted(bs)) {
2778 term_printf("%s is encrypted.\n", bdrv_get_device_name(bs));
2779 for(j = 0; j < 3; j++) {
2780 monitor_readline("Password: ",
2781 1, password, sizeof(password));
2782 if (bdrv_set_key(bs, password) == 0)
2784 term_printf("invalid password\n");
2790 #define NET_IF_TUN 0
2791 #define NET_IF_USER 1
2792 #define NET_IF_DUMMY 2
2794 int main(int argc, char **argv)
2796 #ifdef CONFIG_GDBSTUB
2797 int use_gdbstub, gdbstub_port;
2800 int snapshot, linux_boot;
2802 const char *initrd_filename;
2803 const char *hd_filename[MAX_DISKS], *fd_filename[MAX_FD];
2804 const char *kernel_filename, *kernel_cmdline;
2805 DisplayState *ds = &display_state;
2806 int cyls, heads, secs, translation;
2807 int start_emulation = 1;
2809 int net_if_type, nb_tun_fds, tun_fds[MAX_NICS];
2811 const char *r, *optarg;
2812 CharDriverState *monitor_hd;
2813 char monitor_device[128];
2814 char serial_devices[MAX_SERIAL_PORTS][128];
2815 int serial_device_index;
2816 const char *loadvm = NULL;
2818 #if !defined(CONFIG_SOFTMMU)
2819 /* we never want that malloc() uses mmap() */
2820 mallopt(M_MMAP_THRESHOLD, 4096 * 1024);
2822 initrd_filename = NULL;
2823 for(i = 0; i < MAX_FD; i++)
2824 fd_filename[i] = NULL;
2825 for(i = 0; i < MAX_DISKS; i++)
2826 hd_filename[i] = NULL;
2827 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
2828 vga_ram_size = VGA_RAM_SIZE;
2829 bios_size = BIOS_SIZE;
2830 pstrcpy(network_script, sizeof(network_script), DEFAULT_NETWORK_SCRIPT);
2831 #ifdef CONFIG_GDBSTUB
2833 gdbstub_port = DEFAULT_GDBSTUB_PORT;
2837 kernel_filename = NULL;
2838 kernel_cmdline = "";
2840 cyls = heads = secs = 0;
2841 translation = BIOS_ATA_TRANSLATION_AUTO;
2842 pstrcpy(monitor_device, sizeof(monitor_device), "vc");
2844 pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "vc");
2845 for(i = 1; i < MAX_SERIAL_PORTS; i++)
2846 serial_devices[i][0] = '\0';
2847 serial_device_index = 0;
2852 /* default mac address of the first network interface */
2866 hd_filename[0] = argv[optind++];
2868 const QEMUOption *popt;
2871 popt = qemu_options;
2874 fprintf(stderr, "%s: invalid option -- '%s'\n",
2878 if (!strcmp(popt->name, r + 1))
2882 if (popt->flags & HAS_ARG) {
2883 if (optind >= argc) {
2884 fprintf(stderr, "%s: option '%s' requires an argument\n",
2888 optarg = argv[optind++];
2893 switch(popt->index) {
2894 case QEMU_OPTION_initrd:
2895 initrd_filename = optarg;
2897 case QEMU_OPTION_hda:
2898 hd_filename[0] = optarg;
2900 case QEMU_OPTION_hdb:
2901 hd_filename[1] = optarg;
2903 case QEMU_OPTION_snapshot:
2906 case QEMU_OPTION_hdachs:
2910 cyls = strtol(p, (char **)&p, 0);
2911 if (cyls < 1 || cyls > 16383)
2916 heads = strtol(p, (char **)&p, 0);
2917 if (heads < 1 || heads > 16)
2922 secs = strtol(p, (char **)&p, 0);
2923 if (secs < 1 || secs > 63)
2927 if (!strcmp(p, "none"))
2928 translation = BIOS_ATA_TRANSLATION_NONE;
2929 else if (!strcmp(p, "lba"))
2930 translation = BIOS_ATA_TRANSLATION_LBA;
2931 else if (!strcmp(p, "auto"))
2932 translation = BIOS_ATA_TRANSLATION_AUTO;
2935 } else if (*p != '\0') {
2937 fprintf(stderr, "qemu: invalid physical CHS format\n");
2942 case QEMU_OPTION_nographic:
2943 pstrcpy(monitor_device, sizeof(monitor_device), "stdio");
2944 pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "stdio");
2947 case QEMU_OPTION_kernel:
2948 kernel_filename = optarg;
2950 case QEMU_OPTION_append:
2951 kernel_cmdline = optarg;
2953 case QEMU_OPTION_tun_fd:
2957 net_if_type = NET_IF_TUN;
2958 if (nb_tun_fds < MAX_NICS) {
2959 fd = strtol(optarg, (char **)&p, 0);
2961 fprintf(stderr, "qemu: invalid fd for network interface %d\n", nb_tun_fds);
2964 tun_fds[nb_tun_fds++] = fd;
2968 case QEMU_OPTION_hdc:
2969 hd_filename[2] = optarg;
2972 case QEMU_OPTION_hdd:
2973 hd_filename[3] = optarg;
2975 case QEMU_OPTION_cdrom:
2976 hd_filename[2] = optarg;
2979 case QEMU_OPTION_boot:
2980 boot_device = optarg[0];
2981 if (boot_device != 'a' &&
2982 boot_device != 'c' && boot_device != 'd') {
2983 fprintf(stderr, "qemu: invalid boot device '%c'\n", boot_device);
2987 case QEMU_OPTION_fda:
2988 fd_filename[0] = optarg;
2990 case QEMU_OPTION_fdb:
2991 fd_filename[1] = optarg;
2993 case QEMU_OPTION_no_code_copy:
2994 code_copy_enabled = 0;
2996 case QEMU_OPTION_nics:
2997 nb_nics = atoi(optarg);
2998 if (nb_nics < 0 || nb_nics > MAX_NICS) {
2999 fprintf(stderr, "qemu: invalid number of network interfaces\n");
3003 case QEMU_OPTION_macaddr:
3008 for(i = 0; i < 6; i++) {
3009 macaddr[i] = strtol(p, (char **)&p, 16);
3016 fprintf(stderr, "qemu: invalid syntax for ethernet address\n");
3025 case QEMU_OPTION_tftp:
3026 tftp_prefix = optarg;
3029 case QEMU_OPTION_smb:
3030 net_slirp_smb(optarg);
3033 case QEMU_OPTION_user_net:
3034 net_if_type = NET_IF_USER;
3036 case QEMU_OPTION_redir:
3037 net_slirp_redir(optarg);
3040 case QEMU_OPTION_dummy_net:
3041 net_if_type = NET_IF_DUMMY;
3043 case QEMU_OPTION_enable_audio:
3050 ram_size = atoi(optarg) * 1024 * 1024;
3053 if (ram_size > PHYS_RAM_MAX_SIZE) {
3054 fprintf(stderr, "qemu: at most %d MB RAM can be simulated\n",
3055 PHYS_RAM_MAX_SIZE / (1024 * 1024));
3064 mask = cpu_str_to_log_mask(optarg);
3066 printf("Log items (comma separated):\n");
3067 for(item = cpu_log_items; item->mask != 0; item++) {
3068 printf("%-10s %s\n", item->name, item->help);
3076 pstrcpy(network_script, sizeof(network_script), optarg);
3078 #ifdef CONFIG_GDBSTUB
3083 gdbstub_port = atoi(optarg);
3090 start_emulation = 0;
3092 case QEMU_OPTION_pci:
3095 case QEMU_OPTION_isa:
3098 case QEMU_OPTION_prep:
3102 keyboard_layout = optarg;
3104 case QEMU_OPTION_localtime:
3107 case QEMU_OPTION_cirrusvga:
3108 cirrus_vga_enabled = 1;
3110 case QEMU_OPTION_std_vga:
3111 cirrus_vga_enabled = 0;
3118 w = strtol(p, (char **)&p, 10);
3121 fprintf(stderr, "qemu: invalid resolution or depth\n");
3127 h = strtol(p, (char **)&p, 10);
3132 depth = strtol(p, (char **)&p, 10);
3133 if (depth != 8 && depth != 15 && depth != 16 &&
3134 depth != 24 && depth != 32)
3136 } else if (*p == '\0') {
3137 depth = graphic_depth;
3144 graphic_depth = depth;
3147 case QEMU_OPTION_monitor:
3148 pstrcpy(monitor_device, sizeof(monitor_device), optarg);
3150 case QEMU_OPTION_serial:
3151 if (serial_device_index >= MAX_SERIAL_PORTS) {
3152 fprintf(stderr, "qemu: too many serial ports\n");
3155 pstrcpy(serial_devices[serial_device_index],
3156 sizeof(serial_devices[0]), optarg);
3157 serial_device_index++;
3159 case QEMU_OPTION_loadvm:
3162 case QEMU_OPTION_full_screen:
3165 case QEMU_OPTION_pidfile:
3166 create_pidfile(optarg);
3172 linux_boot = (kernel_filename != NULL);
3174 if (!linux_boot && hd_filename[0] == '\0' && hd_filename[2] == '\0' &&
3175 fd_filename[0] == '\0')
3178 /* boot to cd by default if no hard disk */
3179 if (hd_filename[0] == '\0' && boot_device == 'c') {
3180 if (fd_filename[0] != '\0')
3186 #if !defined(CONFIG_SOFTMMU)
3187 /* must avoid mmap() usage of glibc by setting a buffer "by hand" */
3189 static uint8_t stdout_buf[4096];
3190 setvbuf(stdout, stdout_buf, _IOLBF, sizeof(stdout_buf));
3193 setvbuf(stdout, NULL, _IOLBF, 0);
3196 /* init host network redirectors */
3197 if (net_if_type == -1) {
3198 net_if_type = NET_IF_TUN;
3199 #if defined(CONFIG_SLIRP)
3200 if (access(network_script, R_OK) < 0) {
3201 net_if_type = NET_IF_USER;
3206 for(i = 0; i < nb_nics; i++) {
3207 NetDriverState *nd = &nd_table[i];
3209 /* init virtual mac address */
3210 nd->macaddr[0] = macaddr[0];
3211 nd->macaddr[1] = macaddr[1];
3212 nd->macaddr[2] = macaddr[2];
3213 nd->macaddr[3] = macaddr[3];
3214 nd->macaddr[4] = macaddr[4];
3215 nd->macaddr[5] = macaddr[5] + i;
3216 switch(net_if_type) {
3217 #if defined(CONFIG_SLIRP)
3222 #if !defined(_WIN32)
3224 if (i < nb_tun_fds) {
3225 net_fd_init(nd, tun_fds[i]);
3227 if (net_tun_init(nd) < 0)
3239 /* init the memory */
3240 phys_ram_size = ram_size + vga_ram_size + bios_size;
3242 #ifdef CONFIG_SOFTMMU
3244 /* mallocs are always aligned on BSD. valloc is better for correctness */
3245 phys_ram_base = valloc(phys_ram_size);
3247 phys_ram_base = memalign(TARGET_PAGE_SIZE, phys_ram_size);
3249 if (!phys_ram_base) {
3250 fprintf(stderr, "Could not allocate physical memory\n");
3254 /* as we must map the same page at several addresses, we must use
3259 tmpdir = getenv("QEMU_TMPDIR");
3262 snprintf(phys_ram_file, sizeof(phys_ram_file), "%s/vlXXXXXX", tmpdir);
3263 if (mkstemp(phys_ram_file) < 0) {
3264 fprintf(stderr, "Could not create temporary memory file '%s'\n",
3268 phys_ram_fd = open(phys_ram_file, O_CREAT | O_TRUNC | O_RDWR, 0600);
3269 if (phys_ram_fd < 0) {
3270 fprintf(stderr, "Could not open temporary memory file '%s'\n",
3274 ftruncate(phys_ram_fd, phys_ram_size);
3275 unlink(phys_ram_file);
3276 phys_ram_base = mmap(get_mmap_addr(phys_ram_size),
3278 PROT_WRITE | PROT_READ, MAP_SHARED | MAP_FIXED,
3280 if (phys_ram_base == MAP_FAILED) {
3281 fprintf(stderr, "Could not map physical memory\n");
3287 /* we always create the cdrom drive, even if no disk is there */
3290 bs_table[2] = bdrv_new("cdrom");
3291 bdrv_set_type_hint(bs_table[2], BDRV_TYPE_CDROM);
3294 /* open the virtual block devices */
3295 for(i = 0; i < MAX_DISKS; i++) {
3296 if (hd_filename[i]) {
3299 snprintf(buf, sizeof(buf), "hd%c", i + 'a');
3300 bs_table[i] = bdrv_new(buf);
3302 if (bdrv_open(bs_table[i], hd_filename[i], snapshot) < 0) {
3303 fprintf(stderr, "qemu: could not open hard disk image '%s'\n",
3307 if (i == 0 && cyls != 0) {
3308 bdrv_set_geometry_hint(bs_table[i], cyls, heads, secs);
3309 bdrv_set_translation_hint(bs_table[i], translation);
3314 /* we always create at least one floppy disk */
3315 fd_table[0] = bdrv_new("fda");
3316 bdrv_set_type_hint(fd_table[0], BDRV_TYPE_FLOPPY);
3318 for(i = 0; i < MAX_FD; i++) {
3319 if (fd_filename[i]) {
3322 snprintf(buf, sizeof(buf), "fd%c", i + 'a');
3323 fd_table[i] = bdrv_new(buf);
3324 bdrv_set_type_hint(fd_table[i], BDRV_TYPE_FLOPPY);
3326 if (fd_filename[i] != '\0') {
3327 if (bdrv_open(fd_table[i], fd_filename[i], snapshot) < 0) {
3328 fprintf(stderr, "qemu: could not open floppy disk image '%s'\n",
3336 /* init CPU state */
3339 cpu_single_env = env;
3341 register_savevm("timer", 0, 1, timer_save, timer_load, env);
3342 register_savevm("cpu", 0, 2, cpu_save, cpu_load, env);
3343 register_savevm("ram", 0, 1, ram_save, ram_load, NULL);
3344 qemu_register_reset(main_cpu_reset, global_env);
3347 cpu_calibrate_ticks();
3351 dumb_display_init(ds);
3354 sdl_display_init(ds, full_screen);
3356 dumb_display_init(ds);
3360 vga_console = graphic_console_init(ds);
3362 monitor_hd = qemu_chr_open(monitor_device);
3364 fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device);
3367 monitor_init(monitor_hd, !nographic);
3369 for(i = 0; i < MAX_SERIAL_PORTS; i++) {
3370 if (serial_devices[i][0] != '\0') {
3371 serial_hds[i] = qemu_chr_open(serial_devices[i]);
3372 if (!serial_hds[i]) {
3373 fprintf(stderr, "qemu: could not open serial device '%s'\n",
3377 if (!strcmp(serial_devices[i], "vc"))
3378 qemu_chr_printf(serial_hds[i], "serial%d console\n", i);
3382 /* setup cpu signal handlers for MMU / self modifying code handling */
3383 #if !defined(CONFIG_SOFTMMU)
3385 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
3388 signal_stack = memalign(16, SIGNAL_STACK_SIZE);
3389 stk.ss_sp = signal_stack;
3390 stk.ss_size = SIGNAL_STACK_SIZE;
3393 if (sigaltstack(&stk, NULL) < 0) {
3394 perror("sigaltstack");
3400 struct sigaction act;
3402 sigfillset(&act.sa_mask);
3403 act.sa_flags = SA_SIGINFO;
3404 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
3405 act.sa_flags |= SA_ONSTACK;
3407 act.sa_sigaction = host_segv_handler;
3408 sigaction(SIGSEGV, &act, NULL);
3409 sigaction(SIGBUS, &act, NULL);
3410 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
3411 sigaction(SIGFPE, &act, NULL);
3418 struct sigaction act;
3419 sigfillset(&act.sa_mask);
3421 act.sa_handler = SIG_IGN;
3422 sigaction(SIGPIPE, &act, NULL);
3427 #if defined(TARGET_I386)
3428 pc_init(ram_size, vga_ram_size, boot_device,
3429 ds, fd_filename, snapshot,
3430 kernel_filename, kernel_cmdline, initrd_filename);
3431 #elif defined(TARGET_PPC)
3432 ppc_init(ram_size, vga_ram_size, boot_device,
3433 ds, fd_filename, snapshot,
3434 kernel_filename, kernel_cmdline, initrd_filename);
3435 #elif defined(TARGET_SPARC)
3436 sun4m_init(ram_size, vga_ram_size, boot_device,
3437 ds, fd_filename, snapshot,
3438 kernel_filename, kernel_cmdline, initrd_filename);
3441 gui_timer = qemu_new_timer(rt_clock, gui_update, NULL);
3442 qemu_mod_timer(gui_timer, qemu_get_clock(rt_clock));
3444 #ifdef CONFIG_GDBSTUB
3446 if (gdbserver_start(gdbstub_port) < 0) {
3447 fprintf(stderr, "Could not open gdbserver socket on port %d\n",
3451 printf("Waiting gdb connection on port %d\n", gdbstub_port);
3456 qemu_loadvm(loadvm);
3459 /* XXX: simplify init */
3461 if (start_emulation) {