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>
48 #include <linux/if_tun.h>
51 #include <linux/rtc.h>
55 #if defined(CONFIG_SLIRP)
61 #include <sys/timeb.h>
63 #define getopt_long_only getopt_long
64 #define memalign(align, size) malloc(size)
71 #endif /* CONFIG_SDL */
79 #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
81 //#define DEBUG_UNUSED_IOPORT
82 //#define DEBUG_IOPORT
84 #if !defined(CONFIG_SOFTMMU)
85 #define PHYS_RAM_MAX_SIZE (256 * 1024 * 1024)
87 #define PHYS_RAM_MAX_SIZE (2047 * 1024 * 1024)
91 #define DEFAULT_RAM_SIZE 144
93 #define DEFAULT_RAM_SIZE 128
96 #define GUI_REFRESH_INTERVAL 30
98 /* XXX: use a two level table to limit memory usage */
99 #define MAX_IOPORTS 65536
101 const char *bios_dir = CONFIG_QEMU_SHAREDIR;
102 char phys_ram_file[1024];
103 CPUState *global_env;
104 CPUState *cpu_single_env;
105 void *ioport_opaque[MAX_IOPORTS];
106 IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS];
107 IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS];
108 BlockDriverState *bs_table[MAX_DISKS], *fd_table[MAX_FD];
111 static DisplayState display_state;
113 int64_t ticks_per_sec;
114 int boot_device = 'c';
116 static char network_script[1024];
117 int pit_min_timer_count = 0;
119 NetDriverState nd_table[MAX_NICS];
120 QEMUTimer *gui_timer;
122 int audio_enabled = 0;
124 int prep_enabled = 0;
126 int cirrus_vga_enabled = 1;
127 int graphic_width = 800;
128 int graphic_height = 600;
129 int graphic_depth = 15;
130 TextConsole *vga_console;
131 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
133 /***********************************************************/
134 /* x86 ISA bus support */
136 target_phys_addr_t isa_mem_base = 0;
138 uint32_t default_ioport_readb(void *opaque, uint32_t address)
140 #ifdef DEBUG_UNUSED_IOPORT
141 fprintf(stderr, "inb: port=0x%04x\n", address);
146 void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data)
148 #ifdef DEBUG_UNUSED_IOPORT
149 fprintf(stderr, "outb: port=0x%04x data=0x%02x\n", address, data);
153 /* default is to make two byte accesses */
154 uint32_t default_ioport_readw(void *opaque, uint32_t address)
157 data = ioport_read_table[0][address](ioport_opaque[address], address);
158 address = (address + 1) & (MAX_IOPORTS - 1);
159 data |= ioport_read_table[0][address](ioport_opaque[address], address) << 8;
163 void default_ioport_writew(void *opaque, uint32_t address, uint32_t data)
165 ioport_write_table[0][address](ioport_opaque[address], address, data & 0xff);
166 address = (address + 1) & (MAX_IOPORTS - 1);
167 ioport_write_table[0][address](ioport_opaque[address], address, (data >> 8) & 0xff);
170 uint32_t default_ioport_readl(void *opaque, uint32_t address)
172 #ifdef DEBUG_UNUSED_IOPORT
173 fprintf(stderr, "inl: port=0x%04x\n", address);
178 void default_ioport_writel(void *opaque, uint32_t address, uint32_t data)
180 #ifdef DEBUG_UNUSED_IOPORT
181 fprintf(stderr, "outl: port=0x%04x data=0x%02x\n", address, data);
185 void init_ioports(void)
189 for(i = 0; i < MAX_IOPORTS; i++) {
190 ioport_read_table[0][i] = default_ioport_readb;
191 ioport_write_table[0][i] = default_ioport_writeb;
192 ioport_read_table[1][i] = default_ioport_readw;
193 ioport_write_table[1][i] = default_ioport_writew;
194 ioport_read_table[2][i] = default_ioport_readl;
195 ioport_write_table[2][i] = default_ioport_writel;
199 /* size is the word size in byte */
200 int register_ioport_read(int start, int length, int size,
201 IOPortReadFunc *func, void *opaque)
207 } else if (size == 2) {
209 } else if (size == 4) {
212 hw_error("register_ioport_read: invalid size");
215 for(i = start; i < start + length; i += size) {
216 ioport_read_table[bsize][i] = func;
217 if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
218 hw_error("register_ioport_read: invalid opaque");
219 ioport_opaque[i] = opaque;
224 /* size is the word size in byte */
225 int register_ioport_write(int start, int length, int size,
226 IOPortWriteFunc *func, void *opaque)
232 } else if (size == 2) {
234 } else if (size == 4) {
237 hw_error("register_ioport_write: invalid size");
240 for(i = start; i < start + length; i += size) {
241 ioport_write_table[bsize][i] = func;
242 if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
243 hw_error("register_ioport_read: invalid opaque");
244 ioport_opaque[i] = opaque;
249 void isa_unassign_ioport(int start, int length)
253 for(i = start; i < start + length; i++) {
254 ioport_read_table[0][i] = default_ioport_readb;
255 ioport_read_table[1][i] = default_ioport_readw;
256 ioport_read_table[2][i] = default_ioport_readl;
258 ioport_write_table[0][i] = default_ioport_writeb;
259 ioport_write_table[1][i] = default_ioport_writew;
260 ioport_write_table[2][i] = default_ioport_writel;
264 void pstrcpy(char *buf, int buf_size, const char *str)
274 if (c == 0 || q >= buf + buf_size - 1)
281 /* strcat and truncate. */
282 char *pstrcat(char *buf, int buf_size, const char *s)
287 pstrcpy(buf + len, buf_size - len, s);
291 int strstart(const char *str, const char *val, const char **ptr)
307 /* return the size or -1 if error */
308 int get_image_size(const char *filename)
311 fd = open(filename, O_RDONLY | O_BINARY);
314 size = lseek(fd, 0, SEEK_END);
319 /* return the size or -1 if error */
320 int load_image(const char *filename, uint8_t *addr)
323 fd = open(filename, O_RDONLY | O_BINARY);
326 size = lseek(fd, 0, SEEK_END);
327 lseek(fd, 0, SEEK_SET);
328 if (read(fd, addr, size) != size) {
336 void cpu_outb(CPUState *env, int addr, int val)
339 if (loglevel & CPU_LOG_IOPORT)
340 fprintf(logfile, "outb: %04x %02x\n", addr, val);
342 ioport_write_table[0][addr](ioport_opaque[addr], addr, val);
345 void cpu_outw(CPUState *env, int addr, int val)
348 if (loglevel & CPU_LOG_IOPORT)
349 fprintf(logfile, "outw: %04x %04x\n", addr, val);
351 ioport_write_table[1][addr](ioport_opaque[addr], addr, val);
354 void cpu_outl(CPUState *env, int addr, int val)
357 if (loglevel & CPU_LOG_IOPORT)
358 fprintf(logfile, "outl: %04x %08x\n", addr, val);
360 ioport_write_table[2][addr](ioport_opaque[addr], addr, val);
363 int cpu_inb(CPUState *env, int addr)
366 val = ioport_read_table[0][addr](ioport_opaque[addr], addr);
368 if (loglevel & CPU_LOG_IOPORT)
369 fprintf(logfile, "inb : %04x %02x\n", addr, val);
374 int cpu_inw(CPUState *env, int addr)
377 val = ioport_read_table[1][addr](ioport_opaque[addr], addr);
379 if (loglevel & CPU_LOG_IOPORT)
380 fprintf(logfile, "inw : %04x %04x\n", addr, val);
385 int cpu_inl(CPUState *env, int addr)
388 val = ioport_read_table[2][addr](ioport_opaque[addr], addr);
390 if (loglevel & CPU_LOG_IOPORT)
391 fprintf(logfile, "inl : %04x %08x\n", addr, val);
396 /***********************************************************/
397 void hw_error(const char *fmt, ...)
402 fprintf(stderr, "qemu: hardware error: ");
403 vfprintf(stderr, fmt, ap);
404 fprintf(stderr, "\n");
406 cpu_x86_dump_state(global_env, stderr, X86_DUMP_FPU | X86_DUMP_CCOP);
408 cpu_dump_state(global_env, stderr, 0);
414 /***********************************************************/
417 static QEMUPutKBDEvent *qemu_put_kbd_event;
418 static void *qemu_put_kbd_event_opaque;
419 static QEMUPutMouseEvent *qemu_put_mouse_event;
420 static void *qemu_put_mouse_event_opaque;
422 void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
424 qemu_put_kbd_event_opaque = opaque;
425 qemu_put_kbd_event = func;
428 void qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, void *opaque)
430 qemu_put_mouse_event_opaque = opaque;
431 qemu_put_mouse_event = func;
434 void kbd_put_keycode(int keycode)
436 if (qemu_put_kbd_event) {
437 qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode);
441 void kbd_mouse_event(int dx, int dy, int dz, int buttons_state)
443 if (qemu_put_mouse_event) {
444 qemu_put_mouse_event(qemu_put_mouse_event_opaque,
445 dx, dy, dz, buttons_state);
449 /***********************************************************/
452 #if defined(__powerpc__)
454 static inline uint32_t get_tbl(void)
457 asm volatile("mftb %0" : "=r" (tbl));
461 static inline uint32_t get_tbu(void)
464 asm volatile("mftbu %0" : "=r" (tbl));
468 int64_t cpu_get_real_ticks(void)
471 /* NOTE: we test if wrapping has occurred */
477 return ((int64_t)h << 32) | l;
480 #elif defined(__i386__)
482 int64_t cpu_get_real_ticks(void)
485 asm volatile ("rdtsc" : "=A" (val));
489 #elif defined(__x86_64__)
491 int64_t cpu_get_real_ticks(void)
495 asm volatile("rdtsc" : "=a" (low), "=d" (high));
503 #error unsupported CPU
506 static int64_t cpu_ticks_offset;
507 static int cpu_ticks_enabled;
509 static inline int64_t cpu_get_ticks(void)
511 if (!cpu_ticks_enabled) {
512 return cpu_ticks_offset;
514 return cpu_get_real_ticks() + cpu_ticks_offset;
518 /* enable cpu_get_ticks() */
519 void cpu_enable_ticks(void)
521 if (!cpu_ticks_enabled) {
522 cpu_ticks_offset -= cpu_get_real_ticks();
523 cpu_ticks_enabled = 1;
527 /* disable cpu_get_ticks() : the clock is stopped. You must not call
528 cpu_get_ticks() after that. */
529 void cpu_disable_ticks(void)
531 if (cpu_ticks_enabled) {
532 cpu_ticks_offset = cpu_get_ticks();
533 cpu_ticks_enabled = 0;
537 static int64_t get_clock(void)
542 return ((int64_t)tb.time * 1000 + (int64_t)tb.millitm) * 1000;
545 gettimeofday(&tv, NULL);
546 return tv.tv_sec * 1000000LL + tv.tv_usec;
550 void cpu_calibrate_ticks(void)
555 ticks = cpu_get_real_ticks();
561 usec = get_clock() - usec;
562 ticks = cpu_get_real_ticks() - ticks;
563 ticks_per_sec = (ticks * 1000000LL + (usec >> 1)) / usec;
566 /* compute with 96 bit intermediate result: (a*b)/c */
567 uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
572 #ifdef WORDS_BIGENDIAN
582 rl = (uint64_t)u.l.low * (uint64_t)b;
583 rh = (uint64_t)u.l.high * (uint64_t)b;
586 res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
590 #define QEMU_TIMER_REALTIME 0
591 #define QEMU_TIMER_VIRTUAL 1
595 /* XXX: add frequency */
603 struct QEMUTimer *next;
609 static QEMUTimer *active_timers[2];
611 static MMRESULT timerID;
613 /* frequency of the times() clock tick */
614 static int timer_freq;
617 QEMUClock *qemu_new_clock(int type)
620 clock = qemu_mallocz(sizeof(QEMUClock));
627 QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque)
631 ts = qemu_mallocz(sizeof(QEMUTimer));
638 void qemu_free_timer(QEMUTimer *ts)
643 /* stop a timer, but do not dealloc it */
644 void qemu_del_timer(QEMUTimer *ts)
648 /* NOTE: this code must be signal safe because
649 qemu_timer_expired() can be called from a signal. */
650 pt = &active_timers[ts->clock->type];
663 /* modify the current timer so that it will be fired when current_time
664 >= expire_time. The corresponding callback will be called. */
665 void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time)
671 /* add the timer in the sorted list */
672 /* NOTE: this code must be signal safe because
673 qemu_timer_expired() can be called from a signal. */
674 pt = &active_timers[ts->clock->type];
679 if (t->expire_time > expire_time)
683 ts->expire_time = expire_time;
688 int qemu_timer_pending(QEMUTimer *ts)
691 for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) {
698 static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time)
702 return (timer_head->expire_time <= current_time);
705 static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time)
711 if (ts->expire_time > current_time)
713 /* remove timer from the list before calling the callback */
714 *ptimer_head = ts->next;
717 /* run the callback (the timer list can be modified) */
722 int64_t qemu_get_clock(QEMUClock *clock)
724 switch(clock->type) {
725 case QEMU_TIMER_REALTIME:
727 return GetTickCount();
732 /* Note that using gettimeofday() is not a good solution
733 for timers because its value change when the date is
735 if (timer_freq == 100) {
736 return times(&tp) * 10;
738 return ((int64_t)times(&tp) * 1000) / timer_freq;
743 case QEMU_TIMER_VIRTUAL:
744 return cpu_get_ticks();
749 void qemu_put_timer(QEMUFile *f, QEMUTimer *ts)
751 uint64_t expire_time;
753 if (qemu_timer_pending(ts)) {
754 expire_time = ts->expire_time;
758 qemu_put_be64(f, expire_time);
761 void qemu_get_timer(QEMUFile *f, QEMUTimer *ts)
763 uint64_t expire_time;
765 expire_time = qemu_get_be64(f);
766 if (expire_time != -1) {
767 qemu_mod_timer(ts, expire_time);
773 static void timer_save(QEMUFile *f, void *opaque)
775 if (cpu_ticks_enabled) {
776 hw_error("cannot save state if virtual timers are running");
778 qemu_put_be64s(f, &cpu_ticks_offset);
779 qemu_put_be64s(f, &ticks_per_sec);
782 static int timer_load(QEMUFile *f, void *opaque, int version_id)
786 if (cpu_ticks_enabled) {
789 qemu_get_be64s(f, &cpu_ticks_offset);
790 qemu_get_be64s(f, &ticks_per_sec);
795 void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg,
796 DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2)
798 static void host_alarm_handler(int host_signum)
802 #define DISP_FREQ 1000
804 static int64_t delta_min = INT64_MAX;
805 static int64_t delta_max, delta_cum, last_clock, delta, ti;
807 ti = qemu_get_clock(vm_clock);
808 if (last_clock != 0) {
809 delta = ti - last_clock;
810 if (delta < delta_min)
812 if (delta > delta_max)
815 if (++count == DISP_FREQ) {
816 printf("timer: min=%lld us max=%lld us avg=%lld us avg_freq=%0.3f Hz\n",
817 muldiv64(delta_min, 1000000, ticks_per_sec),
818 muldiv64(delta_max, 1000000, ticks_per_sec),
819 muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec),
820 (double)ticks_per_sec / ((double)delta_cum / DISP_FREQ));
822 delta_min = INT64_MAX;
830 if (qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL],
831 qemu_get_clock(vm_clock)) ||
832 qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME],
833 qemu_get_clock(rt_clock))) {
834 /* stop the cpu because a timer occured */
835 cpu_interrupt(global_env, CPU_INTERRUPT_EXIT);
841 #if defined(__linux__)
843 #define RTC_FREQ 1024
847 static int start_rtc_timer(void)
849 rtc_fd = open("/dev/rtc", O_RDONLY);
852 if (ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) {
853 fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
854 "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
855 "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
858 if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) {
863 pit_min_timer_count = PIT_FREQ / RTC_FREQ;
869 static int start_rtc_timer(void)
874 #endif /* !defined(__linux__) */
876 #endif /* !defined(_WIN32) */
878 static void init_timers(void)
880 rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME);
881 vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL);
886 timerID = timeSetEvent(10, // interval (ms)
888 host_alarm_handler, // function
889 (DWORD)&count, // user parameter
890 TIME_PERIODIC | TIME_CALLBACK_FUNCTION);
892 perror("failed timer alarm");
896 pit_min_timer_count = ((uint64_t)10000 * PIT_FREQ) / 1000000;
899 struct sigaction act;
900 struct itimerval itv;
902 /* get times() syscall frequency */
903 timer_freq = sysconf(_SC_CLK_TCK);
906 sigfillset(&act.sa_mask);
908 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
909 act.sa_flags |= SA_ONSTACK;
911 act.sa_handler = host_alarm_handler;
912 sigaction(SIGALRM, &act, NULL);
914 itv.it_interval.tv_sec = 0;
915 itv.it_interval.tv_usec = 1000;
916 itv.it_value.tv_sec = 0;
917 itv.it_value.tv_usec = 10 * 1000;
918 setitimer(ITIMER_REAL, &itv, NULL);
919 /* we probe the tick duration of the kernel to inform the user if
920 the emulated kernel requested a too high timer frequency */
921 getitimer(ITIMER_REAL, &itv);
923 #if defined(__linux__)
924 if (itv.it_interval.tv_usec > 1000) {
925 /* try to use /dev/rtc to have a faster timer */
926 if (start_rtc_timer() < 0)
929 itv.it_interval.tv_sec = 0;
930 itv.it_interval.tv_usec = 0;
931 itv.it_value.tv_sec = 0;
932 itv.it_value.tv_usec = 0;
933 setitimer(ITIMER_REAL, &itv, NULL);
936 sigaction(SIGIO, &act, NULL);
937 fcntl(rtc_fd, F_SETFL, O_ASYNC);
938 fcntl(rtc_fd, F_SETOWN, getpid());
940 #endif /* defined(__linux__) */
943 pit_min_timer_count = ((uint64_t)itv.it_interval.tv_usec *
950 void quit_timers(void)
953 timeKillEvent(timerID);
957 /***********************************************************/
958 /* character device */
960 int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len)
962 return s->chr_write(s, buf, len);
965 void qemu_chr_printf(CharDriverState *s, const char *fmt, ...)
970 vsnprintf(buf, sizeof(buf), fmt, ap);
971 qemu_chr_write(s, buf, strlen(buf));
975 void qemu_chr_send_event(CharDriverState *s, int event)
977 if (s->chr_send_event)
978 s->chr_send_event(s, event);
981 void qemu_chr_add_read_handler(CharDriverState *s,
982 IOCanRWHandler *fd_can_read,
983 IOReadHandler *fd_read, void *opaque)
985 s->chr_add_read_handler(s, fd_can_read, fd_read, opaque);
988 void qemu_chr_add_event_handler(CharDriverState *s, IOEventHandler *chr_event)
990 s->chr_event = chr_event;
993 static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
998 static void null_chr_add_read_handler(CharDriverState *chr,
999 IOCanRWHandler *fd_can_read,
1000 IOReadHandler *fd_read, void *opaque)
1004 CharDriverState *qemu_chr_open_null(void)
1006 CharDriverState *chr;
1008 chr = qemu_mallocz(sizeof(CharDriverState));
1011 chr->chr_write = null_chr_write;
1012 chr->chr_add_read_handler = null_chr_add_read_handler;
1020 /* for nographic stdio only */
1021 IOCanRWHandler *fd_can_read;
1022 IOReadHandler *fd_read;
1026 #define STDIO_MAX_CLIENTS 2
1028 static int stdio_nb_clients;
1029 static CharDriverState *stdio_clients[STDIO_MAX_CLIENTS];
1031 static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1033 FDCharDriver *s = chr->opaque;
1034 return write(s->fd_out, buf, len);
1037 static void fd_chr_add_read_handler(CharDriverState *chr,
1038 IOCanRWHandler *fd_can_read,
1039 IOReadHandler *fd_read, void *opaque)
1041 FDCharDriver *s = chr->opaque;
1043 if (nographic && s->fd_in == 0) {
1044 s->fd_can_read = fd_can_read;
1045 s->fd_read = fd_read;
1046 s->fd_opaque = opaque;
1048 qemu_add_fd_read_handler(s->fd_in, fd_can_read, fd_read, opaque);
1052 /* open a character device to a unix fd */
1053 CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out)
1055 CharDriverState *chr;
1058 chr = qemu_mallocz(sizeof(CharDriverState));
1061 s = qemu_mallocz(sizeof(FDCharDriver));
1069 chr->chr_write = fd_chr_write;
1070 chr->chr_add_read_handler = fd_chr_add_read_handler;
1074 /* for STDIO, we handle the case where several clients use it
1077 #define TERM_ESCAPE 0x01 /* ctrl-a is used for escape */
1079 static int term_got_escape, client_index;
1081 void term_print_help(void)
1084 "C-a h print this help\n"
1085 "C-a x exit emulator\n"
1086 "C-a s save disk data back to file (if -snapshot)\n"
1087 "C-a b send break (magic sysrq)\n"
1088 "C-a c switch between console and monitor\n"
1089 "C-a C-a send C-a\n"
1093 /* called when a char is received */
1094 static void stdio_received_byte(int ch)
1096 if (term_got_escape) {
1097 term_got_escape = 0;
1108 for (i = 0; i < MAX_DISKS; i++) {
1110 bdrv_commit(bs_table[i]);
1115 if (client_index < stdio_nb_clients) {
1116 CharDriverState *chr;
1119 chr = stdio_clients[client_index];
1121 chr->chr_event(s->fd_opaque, CHR_EVENT_BREAK);
1126 if (client_index >= stdio_nb_clients)
1128 if (client_index == 0) {
1129 /* send a new line in the monitor to get the prompt */
1137 } else if (ch == TERM_ESCAPE) {
1138 term_got_escape = 1;
1141 if (client_index < stdio_nb_clients) {
1143 CharDriverState *chr;
1146 chr = stdio_clients[client_index];
1149 /* XXX: should queue the char if the device is not
1151 if (s->fd_can_read(s->fd_opaque) > 0)
1152 s->fd_read(s->fd_opaque, buf, 1);
1157 static int stdio_can_read(void *opaque)
1159 /* XXX: not strictly correct */
1163 static void stdio_read(void *opaque, const uint8_t *buf, int size)
1166 for(i = 0; i < size; i++)
1167 stdio_received_byte(buf[i]);
1170 /* init terminal so that we can grab keys */
1171 static struct termios oldtty;
1172 static int old_fd0_flags;
1174 static void term_exit(void)
1176 tcsetattr (0, TCSANOW, &oldtty);
1177 fcntl(0, F_SETFL, old_fd0_flags);
1180 static void term_init(void)
1184 tcgetattr (0, &tty);
1186 old_fd0_flags = fcntl(0, F_GETFL);
1188 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
1189 |INLCR|IGNCR|ICRNL|IXON);
1190 tty.c_oflag |= OPOST;
1191 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
1192 /* if graphical mode, we allow Ctrl-C handling */
1194 tty.c_lflag &= ~ISIG;
1195 tty.c_cflag &= ~(CSIZE|PARENB);
1198 tty.c_cc[VTIME] = 0;
1200 tcsetattr (0, TCSANOW, &tty);
1204 fcntl(0, F_SETFL, O_NONBLOCK);
1207 CharDriverState *qemu_chr_open_stdio(void)
1209 CharDriverState *chr;
1212 if (stdio_nb_clients >= STDIO_MAX_CLIENTS)
1214 chr = qemu_chr_open_fd(0, 1);
1215 if (stdio_nb_clients == 0)
1216 qemu_add_fd_read_handler(0, stdio_can_read, stdio_read, NULL);
1217 client_index = stdio_nb_clients;
1219 if (stdio_nb_clients != 0)
1221 chr = qemu_chr_open_fd(0, 1);
1223 stdio_clients[stdio_nb_clients++] = chr;
1224 if (stdio_nb_clients == 1) {
1225 /* set the terminal in raw mode */
1231 #if defined(__linux__)
1232 CharDriverState *qemu_chr_open_pty(void)
1234 char slave_name[1024];
1235 int master_fd, slave_fd;
1237 /* Not satisfying */
1238 if (openpty(&master_fd, &slave_fd, slave_name, NULL, NULL) < 0) {
1241 fprintf(stderr, "char device redirected to %s\n", slave_name);
1242 return qemu_chr_open_fd(master_fd, master_fd);
1245 CharDriverState *qemu_chr_open_pty(void)
1251 #endif /* !defined(_WIN32) */
1253 CharDriverState *qemu_chr_open(const char *filename)
1255 if (!strcmp(filename, "vc")) {
1256 return text_console_init(&display_state);
1257 } else if (!strcmp(filename, "null")) {
1258 return qemu_chr_open_null();
1261 if (!strcmp(filename, "pty")) {
1262 return qemu_chr_open_pty();
1263 } else if (!strcmp(filename, "stdio")) {
1264 return qemu_chr_open_stdio();
1272 /***********************************************************/
1273 /* Linux network device redirectors */
1275 void hex_dump(FILE *f, const uint8_t *buf, int size)
1279 for(i=0;i<size;i+=16) {
1283 fprintf(f, "%08x ", i);
1286 fprintf(f, " %02x", buf[i+j]);
1291 for(j=0;j<len;j++) {
1293 if (c < ' ' || c > '~')
1295 fprintf(f, "%c", c);
1301 void qemu_send_packet(NetDriverState *nd, const uint8_t *buf, int size)
1303 nd->send_packet(nd, buf, size);
1306 void qemu_add_read_packet(NetDriverState *nd, IOCanRWHandler *fd_can_read,
1307 IOReadHandler *fd_read, void *opaque)
1309 nd->add_read_packet(nd, fd_can_read, fd_read, opaque);
1312 /* dummy network adapter */
1314 static void dummy_send_packet(NetDriverState *nd, const uint8_t *buf, int size)
1318 static void dummy_add_read_packet(NetDriverState *nd,
1319 IOCanRWHandler *fd_can_read,
1320 IOReadHandler *fd_read, void *opaque)
1324 static int net_dummy_init(NetDriverState *nd)
1326 nd->send_packet = dummy_send_packet;
1327 nd->add_read_packet = dummy_add_read_packet;
1328 pstrcpy(nd->ifname, sizeof(nd->ifname), "dummy");
1332 #if defined(CONFIG_SLIRP)
1334 /* slirp network adapter */
1336 static void *slirp_fd_opaque;
1337 static IOCanRWHandler *slirp_fd_can_read;
1338 static IOReadHandler *slirp_fd_read;
1339 static int slirp_inited;
1341 int slirp_can_output(void)
1343 return slirp_fd_can_read(slirp_fd_opaque);
1346 void slirp_output(const uint8_t *pkt, int pkt_len)
1349 printf("output:\n");
1350 hex_dump(stdout, pkt, pkt_len);
1352 slirp_fd_read(slirp_fd_opaque, pkt, pkt_len);
1355 static void slirp_send_packet(NetDriverState *nd, const uint8_t *buf, int size)
1359 hex_dump(stdout, buf, size);
1361 slirp_input(buf, size);
1364 static void slirp_add_read_packet(NetDriverState *nd,
1365 IOCanRWHandler *fd_can_read,
1366 IOReadHandler *fd_read, void *opaque)
1368 slirp_fd_opaque = opaque;
1369 slirp_fd_can_read = fd_can_read;
1370 slirp_fd_read = fd_read;
1373 static int net_slirp_init(NetDriverState *nd)
1375 if (!slirp_inited) {
1379 nd->send_packet = slirp_send_packet;
1380 nd->add_read_packet = slirp_add_read_packet;
1381 pstrcpy(nd->ifname, sizeof(nd->ifname), "slirp");
1385 static int get_str_sep(char *buf, int buf_size, const char **pp, int sep)
1390 p1 = strchr(p, sep);
1396 if (len > buf_size - 1)
1398 memcpy(buf, p, len);
1405 static void net_slirp_redir(const char *redir_str)
1410 struct in_addr guest_addr;
1411 int host_port, guest_port;
1413 if (!slirp_inited) {
1419 if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
1421 if (!strcmp(buf, "tcp")) {
1423 } else if (!strcmp(buf, "udp")) {
1429 if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
1431 host_port = strtol(buf, &r, 0);
1435 if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
1437 if (buf[0] == '\0') {
1438 pstrcpy(buf, sizeof(buf), "10.0.2.15");
1440 if (!inet_aton(buf, &guest_addr))
1443 guest_port = strtol(p, &r, 0);
1447 if (slirp_redir(is_udp, host_port, guest_addr, guest_port) < 0) {
1448 fprintf(stderr, "qemu: could not set up redirection\n");
1453 fprintf(stderr, "qemu: syntax: -redir [tcp|udp]:host-port:[guest-host]:guest-port\n");
1457 #endif /* CONFIG_SLIRP */
1459 #if !defined(_WIN32)
1461 static int tun_open(char *ifname, int ifname_size)
1467 fd = open("/dev/tap", O_RDWR);
1469 fprintf(stderr, "warning: could not open /dev/tap: no virtual network emulation\n");
1474 dev = devname(s.st_rdev, S_IFCHR);
1475 pstrcpy(ifname, ifname_size, dev);
1477 fcntl(fd, F_SETFL, O_NONBLOCK);
1481 static int tun_open(char *ifname, int ifname_size)
1486 fd = open("/dev/net/tun", O_RDWR);
1488 fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n");
1491 memset(&ifr, 0, sizeof(ifr));
1492 ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
1493 pstrcpy(ifr.ifr_name, IFNAMSIZ, "tun%d");
1494 ret = ioctl(fd, TUNSETIFF, (void *) &ifr);
1496 fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n");
1500 printf("Connected to host network interface: %s\n", ifr.ifr_name);
1501 pstrcpy(ifname, ifname_size, ifr.ifr_name);
1502 fcntl(fd, F_SETFL, O_NONBLOCK);
1507 static void tun_send_packet(NetDriverState *nd, const uint8_t *buf, int size)
1509 write(nd->fd, buf, size);
1512 static void tun_add_read_packet(NetDriverState *nd,
1513 IOCanRWHandler *fd_can_read,
1514 IOReadHandler *fd_read, void *opaque)
1516 qemu_add_fd_read_handler(nd->fd, fd_can_read, fd_read, opaque);
1519 static int net_tun_init(NetDriverState *nd)
1525 nd->fd = tun_open(nd->ifname, sizeof(nd->ifname));
1529 /* try to launch network init script */
1534 *parg++ = network_script;
1535 *parg++ = nd->ifname;
1537 execv(network_script, args);
1540 while (waitpid(pid, &status, 0) != pid);
1541 if (!WIFEXITED(status) ||
1542 WEXITSTATUS(status) != 0) {
1543 fprintf(stderr, "%s: could not launch network script\n",
1547 nd->send_packet = tun_send_packet;
1548 nd->add_read_packet = tun_add_read_packet;
1552 static int net_fd_init(NetDriverState *nd, int fd)
1555 nd->send_packet = tun_send_packet;
1556 nd->add_read_packet = tun_add_read_packet;
1557 pstrcpy(nd->ifname, sizeof(nd->ifname), "tunfd");
1561 #endif /* !_WIN32 */
1563 /***********************************************************/
1566 static void dumb_update(DisplayState *ds, int x, int y, int w, int h)
1570 static void dumb_resize(DisplayState *ds, int w, int h)
1574 static void dumb_refresh(DisplayState *ds)
1576 vga_update_display();
1579 void dumb_display_init(DisplayState *ds)
1584 ds->dpy_update = dumb_update;
1585 ds->dpy_resize = dumb_resize;
1586 ds->dpy_refresh = dumb_refresh;
1589 #if !defined(CONFIG_SOFTMMU)
1590 /***********************************************************/
1591 /* cpu signal handler */
1592 static void host_segv_handler(int host_signum, siginfo_t *info,
1595 if (cpu_signal_handler(host_signum, info, puc))
1597 if (stdio_nb_clients > 0)
1603 /***********************************************************/
1606 #define MAX_IO_HANDLERS 64
1608 typedef struct IOHandlerRecord {
1610 IOCanRWHandler *fd_can_read;
1611 IOReadHandler *fd_read;
1613 /* temporary data */
1616 struct IOHandlerRecord *next;
1619 static IOHandlerRecord *first_io_handler;
1621 int qemu_add_fd_read_handler(int fd, IOCanRWHandler *fd_can_read,
1622 IOReadHandler *fd_read, void *opaque)
1624 IOHandlerRecord *ioh;
1626 ioh = qemu_mallocz(sizeof(IOHandlerRecord));
1630 ioh->fd_can_read = fd_can_read;
1631 ioh->fd_read = fd_read;
1632 ioh->opaque = opaque;
1633 ioh->next = first_io_handler;
1634 first_io_handler = ioh;
1638 void qemu_del_fd_read_handler(int fd)
1640 IOHandlerRecord **pioh, *ioh;
1642 pioh = &first_io_handler;
1647 if (ioh->fd == fd) {
1655 /***********************************************************/
1656 /* savevm/loadvm support */
1658 void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size)
1660 fwrite(buf, 1, size, f);
1663 void qemu_put_byte(QEMUFile *f, int v)
1668 void qemu_put_be16(QEMUFile *f, unsigned int v)
1670 qemu_put_byte(f, v >> 8);
1671 qemu_put_byte(f, v);
1674 void qemu_put_be32(QEMUFile *f, unsigned int v)
1676 qemu_put_byte(f, v >> 24);
1677 qemu_put_byte(f, v >> 16);
1678 qemu_put_byte(f, v >> 8);
1679 qemu_put_byte(f, v);
1682 void qemu_put_be64(QEMUFile *f, uint64_t v)
1684 qemu_put_be32(f, v >> 32);
1685 qemu_put_be32(f, v);
1688 int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size)
1690 return fread(buf, 1, size, f);
1693 int qemu_get_byte(QEMUFile *f)
1703 unsigned int qemu_get_be16(QEMUFile *f)
1706 v = qemu_get_byte(f) << 8;
1707 v |= qemu_get_byte(f);
1711 unsigned int qemu_get_be32(QEMUFile *f)
1714 v = qemu_get_byte(f) << 24;
1715 v |= qemu_get_byte(f) << 16;
1716 v |= qemu_get_byte(f) << 8;
1717 v |= qemu_get_byte(f);
1721 uint64_t qemu_get_be64(QEMUFile *f)
1724 v = (uint64_t)qemu_get_be32(f) << 32;
1725 v |= qemu_get_be32(f);
1729 int64_t qemu_ftell(QEMUFile *f)
1734 int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence)
1736 if (fseek(f, pos, whence) < 0)
1741 typedef struct SaveStateEntry {
1745 SaveStateHandler *save_state;
1746 LoadStateHandler *load_state;
1748 struct SaveStateEntry *next;
1751 static SaveStateEntry *first_se;
1753 int register_savevm(const char *idstr,
1756 SaveStateHandler *save_state,
1757 LoadStateHandler *load_state,
1760 SaveStateEntry *se, **pse;
1762 se = qemu_malloc(sizeof(SaveStateEntry));
1765 pstrcpy(se->idstr, sizeof(se->idstr), idstr);
1766 se->instance_id = instance_id;
1767 se->version_id = version_id;
1768 se->save_state = save_state;
1769 se->load_state = load_state;
1770 se->opaque = opaque;
1773 /* add at the end of list */
1775 while (*pse != NULL)
1776 pse = &(*pse)->next;
1781 #define QEMU_VM_FILE_MAGIC 0x5145564d
1782 #define QEMU_VM_FILE_VERSION 0x00000001
1784 int qemu_savevm(const char *filename)
1788 int len, len_pos, cur_pos, saved_vm_running, ret;
1790 saved_vm_running = vm_running;
1793 f = fopen(filename, "wb");
1799 qemu_put_be32(f, QEMU_VM_FILE_MAGIC);
1800 qemu_put_be32(f, QEMU_VM_FILE_VERSION);
1802 for(se = first_se; se != NULL; se = se->next) {
1804 len = strlen(se->idstr);
1805 qemu_put_byte(f, len);
1806 qemu_put_buffer(f, se->idstr, len);
1808 qemu_put_be32(f, se->instance_id);
1809 qemu_put_be32(f, se->version_id);
1811 /* record size: filled later */
1813 qemu_put_be32(f, 0);
1815 se->save_state(f, se->opaque);
1817 /* fill record size */
1819 len = ftell(f) - len_pos - 4;
1820 fseek(f, len_pos, SEEK_SET);
1821 qemu_put_be32(f, len);
1822 fseek(f, cur_pos, SEEK_SET);
1828 if (saved_vm_running)
1833 static SaveStateEntry *find_se(const char *idstr, int instance_id)
1837 for(se = first_se; se != NULL; se = se->next) {
1838 if (!strcmp(se->idstr, idstr) &&
1839 instance_id == se->instance_id)
1845 int qemu_loadvm(const char *filename)
1849 int len, cur_pos, ret, instance_id, record_len, version_id;
1850 int saved_vm_running;
1854 saved_vm_running = vm_running;
1857 f = fopen(filename, "rb");
1863 v = qemu_get_be32(f);
1864 if (v != QEMU_VM_FILE_MAGIC)
1866 v = qemu_get_be32(f);
1867 if (v != QEMU_VM_FILE_VERSION) {
1874 #if defined (DO_TB_FLUSH)
1875 tb_flush(global_env);
1877 len = qemu_get_byte(f);
1880 qemu_get_buffer(f, idstr, len);
1882 instance_id = qemu_get_be32(f);
1883 version_id = qemu_get_be32(f);
1884 record_len = qemu_get_be32(f);
1886 printf("idstr=%s instance=0x%x version=%d len=%d\n",
1887 idstr, instance_id, version_id, record_len);
1890 se = find_se(idstr, instance_id);
1892 fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n",
1893 instance_id, idstr);
1895 ret = se->load_state(f, se->opaque, version_id);
1897 fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n",
1898 instance_id, idstr);
1901 /* always seek to exact end of record */
1902 qemu_fseek(f, cur_pos + record_len, SEEK_SET);
1907 if (saved_vm_running)
1912 /***********************************************************/
1913 /* cpu save/restore */
1915 #if defined(TARGET_I386)
1917 static void cpu_put_seg(QEMUFile *f, SegmentCache *dt)
1919 qemu_put_be32(f, dt->selector);
1920 qemu_put_be32(f, (uint32_t)dt->base);
1921 qemu_put_be32(f, dt->limit);
1922 qemu_put_be32(f, dt->flags);
1925 static void cpu_get_seg(QEMUFile *f, SegmentCache *dt)
1927 dt->selector = qemu_get_be32(f);
1928 dt->base = (uint8_t *)qemu_get_be32(f);
1929 dt->limit = qemu_get_be32(f);
1930 dt->flags = qemu_get_be32(f);
1933 void cpu_save(QEMUFile *f, void *opaque)
1935 CPUState *env = opaque;
1936 uint16_t fptag, fpus, fpuc;
1940 for(i = 0; i < 8; i++)
1941 qemu_put_be32s(f, &env->regs[i]);
1942 qemu_put_be32s(f, &env->eip);
1943 qemu_put_be32s(f, &env->eflags);
1944 qemu_put_be32s(f, &env->eflags);
1945 hflags = env->hflags; /* XXX: suppress most of the redundant hflags */
1946 qemu_put_be32s(f, &hflags);
1950 fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11;
1952 for (i=7; i>=0; i--) {
1954 if (env->fptags[i]) {
1959 qemu_put_be16s(f, &fpuc);
1960 qemu_put_be16s(f, &fpus);
1961 qemu_put_be16s(f, &fptag);
1963 for(i = 0; i < 8; i++) {
1966 cpu_get_fp80(&mant, &exp, env->fpregs[i]);
1967 qemu_put_be64(f, mant);
1968 qemu_put_be16(f, exp);
1971 for(i = 0; i < 6; i++)
1972 cpu_put_seg(f, &env->segs[i]);
1973 cpu_put_seg(f, &env->ldt);
1974 cpu_put_seg(f, &env->tr);
1975 cpu_put_seg(f, &env->gdt);
1976 cpu_put_seg(f, &env->idt);
1978 qemu_put_be32s(f, &env->sysenter_cs);
1979 qemu_put_be32s(f, &env->sysenter_esp);
1980 qemu_put_be32s(f, &env->sysenter_eip);
1982 qemu_put_be32s(f, &env->cr[0]);
1983 qemu_put_be32s(f, &env->cr[2]);
1984 qemu_put_be32s(f, &env->cr[3]);
1985 qemu_put_be32s(f, &env->cr[4]);
1987 for(i = 0; i < 8; i++)
1988 qemu_put_be32s(f, &env->dr[i]);
1991 qemu_put_be32s(f, &env->a20_mask);
1994 int cpu_load(QEMUFile *f, void *opaque, int version_id)
1996 CPUState *env = opaque;
1999 uint16_t fpus, fpuc, fptag;
2001 if (version_id != 2)
2003 for(i = 0; i < 8; i++)
2004 qemu_get_be32s(f, &env->regs[i]);
2005 qemu_get_be32s(f, &env->eip);
2006 qemu_get_be32s(f, &env->eflags);
2007 qemu_get_be32s(f, &env->eflags);
2008 qemu_get_be32s(f, &hflags);
2010 qemu_get_be16s(f, &fpuc);
2011 qemu_get_be16s(f, &fpus);
2012 qemu_get_be16s(f, &fptag);
2014 for(i = 0; i < 8; i++) {
2017 mant = qemu_get_be64(f);
2018 exp = qemu_get_be16(f);
2019 env->fpregs[i] = cpu_set_fp80(mant, exp);
2023 env->fpstt = (fpus >> 11) & 7;
2024 env->fpus = fpus & ~0x3800;
2025 for(i = 0; i < 8; i++) {
2026 env->fptags[i] = ((fptag & 3) == 3);
2030 for(i = 0; i < 6; i++)
2031 cpu_get_seg(f, &env->segs[i]);
2032 cpu_get_seg(f, &env->ldt);
2033 cpu_get_seg(f, &env->tr);
2034 cpu_get_seg(f, &env->gdt);
2035 cpu_get_seg(f, &env->idt);
2037 qemu_get_be32s(f, &env->sysenter_cs);
2038 qemu_get_be32s(f, &env->sysenter_esp);
2039 qemu_get_be32s(f, &env->sysenter_eip);
2041 qemu_get_be32s(f, &env->cr[0]);
2042 qemu_get_be32s(f, &env->cr[2]);
2043 qemu_get_be32s(f, &env->cr[3]);
2044 qemu_get_be32s(f, &env->cr[4]);
2046 for(i = 0; i < 8; i++)
2047 qemu_get_be32s(f, &env->dr[i]);
2050 qemu_get_be32s(f, &env->a20_mask);
2052 /* XXX: compute hflags from scratch, except for CPL and IIF */
2053 env->hflags = hflags;
2058 #elif defined(TARGET_PPC)
2059 void cpu_save(QEMUFile *f, void *opaque)
2063 int cpu_load(QEMUFile *f, void *opaque, int version_id)
2069 #warning No CPU save/restore functions
2073 /***********************************************************/
2074 /* ram save/restore */
2076 /* we just avoid storing empty pages */
2077 static void ram_put_page(QEMUFile *f, const uint8_t *buf, int len)
2082 for(i = 1; i < len; i++) {
2086 qemu_put_byte(f, 1);
2087 qemu_put_byte(f, v);
2090 qemu_put_byte(f, 0);
2091 qemu_put_buffer(f, buf, len);
2094 static int ram_get_page(QEMUFile *f, uint8_t *buf, int len)
2098 v = qemu_get_byte(f);
2101 if (qemu_get_buffer(f, buf, len) != len)
2105 v = qemu_get_byte(f);
2106 memset(buf, v, len);
2114 static void ram_save(QEMUFile *f, void *opaque)
2117 qemu_put_be32(f, phys_ram_size);
2118 for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) {
2119 ram_put_page(f, phys_ram_base + i, TARGET_PAGE_SIZE);
2123 static int ram_load(QEMUFile *f, void *opaque, int version_id)
2127 if (version_id != 1)
2129 if (qemu_get_be32(f) != phys_ram_size)
2131 for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) {
2132 ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE);
2139 /***********************************************************/
2140 /* main execution loop */
2142 void gui_update(void *opaque)
2144 display_state.dpy_refresh(&display_state);
2145 qemu_mod_timer(gui_timer, GUI_REFRESH_INTERVAL + qemu_get_clock(rt_clock));
2148 /* XXX: support several handlers */
2149 VMStopHandler *vm_stop_cb;
2150 VMStopHandler *vm_stop_opaque;
2152 int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque)
2155 vm_stop_opaque = opaque;
2159 void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque)
2172 void vm_stop(int reason)
2175 cpu_disable_ticks();
2179 vm_stop_cb(vm_stop_opaque, reason);
2185 /* reset/shutdown handler */
2187 typedef struct QEMUResetEntry {
2188 QEMUResetHandler *func;
2190 struct QEMUResetEntry *next;
2193 static QEMUResetEntry *first_reset_entry;
2194 static int reset_requested;
2195 static int shutdown_requested;
2197 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
2199 QEMUResetEntry **pre, *re;
2201 pre = &first_reset_entry;
2202 while (*pre != NULL)
2203 pre = &(*pre)->next;
2204 re = qemu_mallocz(sizeof(QEMUResetEntry));
2206 re->opaque = opaque;
2211 void qemu_system_reset(void)
2215 /* reset all devices */
2216 for(re = first_reset_entry; re != NULL; re = re->next) {
2217 re->func(re->opaque);
2221 void qemu_system_reset_request(void)
2223 reset_requested = 1;
2224 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
2227 void qemu_system_shutdown_request(void)
2229 shutdown_requested = 1;
2230 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
2233 static void main_cpu_reset(void *opaque)
2236 CPUState *env = opaque;
2241 void main_loop_wait(int timeout)
2244 struct pollfd ufds[MAX_IO_HANDLERS + 1], *pf;
2245 IOHandlerRecord *ioh, *ioh_next;
2255 /* poll any events */
2256 /* XXX: separate device handlers from system ones */
2258 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
2259 if (!ioh->fd_can_read) {
2262 pf->events = POLLIN;
2266 max_size = ioh->fd_can_read(ioh->opaque);
2268 if (max_size > sizeof(buf))
2269 max_size = sizeof(buf);
2271 pf->events = POLLIN;
2278 ioh->max_size = max_size;
2281 ret = poll(ufds, pf - ufds, timeout);
2283 /* XXX: better handling of removal */
2284 for(ioh = first_io_handler; ioh != NULL; ioh = ioh_next) {
2285 ioh_next = ioh->next;
2288 if (pf->revents & POLLIN) {
2289 if (ioh->max_size == 0) {
2290 /* just a read event */
2291 ioh->fd_read(ioh->opaque, NULL, 0);
2293 n = read(ioh->fd, buf, ioh->max_size);
2295 ioh->fd_read(ioh->opaque, buf, n);
2296 } else if (errno != EAGAIN) {
2297 ioh->fd_read(ioh->opaque, NULL, -errno);
2304 #endif /* !defined(_WIN32) */
2305 #if defined(CONFIG_SLIRP)
2306 /* XXX: merge with poll() */
2308 fd_set rfds, wfds, xfds;
2316 slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
2319 ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
2321 slirp_select_poll(&rfds, &wfds, &xfds);
2327 qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL],
2328 qemu_get_clock(vm_clock));
2330 if (audio_enabled) {
2331 /* XXX: add explicit timer */
2335 /* run dma transfers, if any */
2339 /* real time timers */
2340 qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME],
2341 qemu_get_clock(rt_clock));
2347 CPUState *env = global_env;
2351 ret = cpu_exec(env);
2352 if (shutdown_requested) {
2353 ret = EXCP_INTERRUPT;
2356 if (reset_requested) {
2357 reset_requested = 0;
2358 qemu_system_reset();
2359 ret = EXCP_INTERRUPT;
2361 if (ret == EXCP_DEBUG) {
2362 vm_stop(EXCP_DEBUG);
2364 /* if hlt instruction, we wait until the next IRQ */
2365 /* XXX: use timeout computed from timers */
2366 if (ret == EXCP_HLT)
2373 main_loop_wait(timeout);
2375 cpu_disable_ticks();
2381 printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2004 Fabrice Bellard\n"
2382 "usage: %s [options] [disk_image]\n"
2384 "'disk_image' is a raw hard image image for IDE hard disk 0\n"
2386 "Standard options:\n"
2387 "-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
2388 "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
2389 "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
2390 "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
2391 "-boot [a|b|c|d] boot on floppy (a, b), hard disk (c) or CD-ROM (d)\n"
2392 "-snapshot write to temporary files instead of disk image files\n"
2393 "-m megs set virtual RAM size to megs MB [default=%d]\n"
2394 "-nographic disable graphical output and redirect serial I/Os to console\n"
2395 "-enable-audio enable audio support\n"
2396 "-localtime set the real time clock to local time [default=utc]\n"
2398 "-prep Simulate a PREP system (default is PowerMAC)\n"
2399 "-g WxH[xDEPTH] Set the initial VGA graphic mode\n"
2402 "Network options:\n"
2403 "-nics n simulate 'n' network cards [default=1]\n"
2404 "-macaddr addr set the mac address of the first interface\n"
2405 "-n script set tap/tun network init script [default=%s]\n"
2406 "-tun-fd fd use this fd as already opened tap/tun interface\n"
2408 "-user-net use user mode network stack [default if no tap/tun script]\n"
2409 "-tftp prefix allow tftp access to files starting with prefix [-user-net]\n"
2410 "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
2411 " redirect TCP or UDP connections from host to guest [-user-net]\n"
2413 "-dummy-net use dummy network stack\n"
2415 "Linux boot specific:\n"
2416 "-kernel bzImage use 'bzImage' as kernel image\n"
2417 "-append cmdline use 'cmdline' as kernel command line\n"
2418 "-initrd file use 'file' as initial ram disk\n"
2420 "Debug/Expert options:\n"
2421 "-monitor dev redirect the monitor to char device 'dev'\n"
2422 "-serial dev redirect the serial port to char device 'dev'\n"
2423 "-S freeze CPU at startup (use 'c' to start execution)\n"
2424 "-s wait gdb connection to port %d\n"
2425 "-p port change gdb connection port\n"
2426 "-d item1,... output log to %s (use -d ? for a list of log items)\n"
2427 "-hdachs c,h,s force hard disk 0 geometry (usually qemu can guess it)\n"
2428 "-L path set the directory for the BIOS and VGA BIOS\n"
2429 #ifdef USE_CODE_COPY
2430 "-no-code-copy disable code copy acceleration\n"
2433 "-isa simulate an ISA-only system (default is PCI system)\n"
2434 "-std-vga simulate a standard VGA card with VESA Bochs Extensions\n"
2435 " (default is CL-GD5446 PCI VGA)\n"
2438 "During emulation, the following keys are useful:\n"
2439 "ctrl-shift-f toggle full screen\n"
2440 "ctrl-shift-Fn switch to virtual console 'n'\n"
2441 "ctrl-shift toggle mouse and keyboard grab\n"
2443 "When using -nographic, press 'ctrl-a h' to get some help.\n"
2445 #ifdef CONFIG_SOFTMMU
2451 DEFAULT_NETWORK_SCRIPT,
2452 DEFAULT_GDBSTUB_PORT,
2454 #ifndef CONFIG_SOFTMMU
2456 "NOTE: this version of QEMU is faster but it needs slightly patched OSes to\n"
2457 "work. Please use the 'qemu' executable to have a more accurate (but slower)\n"
2463 #define HAS_ARG 0x0001
2476 QEMU_OPTION_snapshot,
2478 QEMU_OPTION_nographic,
2479 QEMU_OPTION_enable_audio,
2482 QEMU_OPTION_macaddr,
2485 QEMU_OPTION_user_net,
2488 QEMU_OPTION_dummy_net,
2500 QEMU_OPTION_no_code_copy,
2504 QEMU_OPTION_localtime,
2505 QEMU_OPTION_cirrusvga,
2507 QEMU_OPTION_std_vga,
2508 QEMU_OPTION_monitor,
2512 typedef struct QEMUOption {
2518 const QEMUOption qemu_options[] = {
2519 { "h", 0, QEMU_OPTION_h },
2521 { "fda", HAS_ARG, QEMU_OPTION_fda },
2522 { "fdb", HAS_ARG, QEMU_OPTION_fdb },
2523 { "hda", HAS_ARG, QEMU_OPTION_hda },
2524 { "hdb", HAS_ARG, QEMU_OPTION_hdb },
2525 { "hdc", HAS_ARG, QEMU_OPTION_hdc },
2526 { "hdd", HAS_ARG, QEMU_OPTION_hdd },
2527 { "cdrom", HAS_ARG, QEMU_OPTION_cdrom },
2528 { "boot", HAS_ARG, QEMU_OPTION_boot },
2529 { "snapshot", 0, QEMU_OPTION_snapshot },
2530 { "m", HAS_ARG, QEMU_OPTION_m },
2531 { "nographic", 0, QEMU_OPTION_nographic },
2532 { "enable-audio", 0, QEMU_OPTION_enable_audio },
2534 { "nics", HAS_ARG, QEMU_OPTION_nics},
2535 { "macaddr", HAS_ARG, QEMU_OPTION_macaddr},
2536 { "n", HAS_ARG, QEMU_OPTION_n },
2537 { "tun-fd", HAS_ARG, QEMU_OPTION_tun_fd },
2539 { "user-net", 0, QEMU_OPTION_user_net },
2540 { "tftp", HAS_ARG, QEMU_OPTION_tftp },
2541 { "redir", HAS_ARG, QEMU_OPTION_redir },
2543 { "dummy-net", 0, QEMU_OPTION_dummy_net },
2545 { "kernel", HAS_ARG, QEMU_OPTION_kernel },
2546 { "append", HAS_ARG, QEMU_OPTION_append },
2547 { "initrd", HAS_ARG, QEMU_OPTION_initrd },
2549 { "S", 0, QEMU_OPTION_S },
2550 { "s", 0, QEMU_OPTION_s },
2551 { "p", HAS_ARG, QEMU_OPTION_p },
2552 { "d", HAS_ARG, QEMU_OPTION_d },
2553 { "hdachs", HAS_ARG, QEMU_OPTION_hdachs },
2554 { "L", HAS_ARG, QEMU_OPTION_L },
2555 { "no-code-copy", 0, QEMU_OPTION_no_code_copy },
2557 { "prep", 0, QEMU_OPTION_prep },
2558 { "g", 1, QEMU_OPTION_g },
2560 { "localtime", 0, QEMU_OPTION_localtime },
2561 { "isa", 0, QEMU_OPTION_isa },
2562 { "std-vga", 0, QEMU_OPTION_std_vga },
2563 { "monitor", 1, QEMU_OPTION_monitor },
2564 { "serial", 1, QEMU_OPTION_serial },
2566 /* temporary options */
2567 { "pci", 0, QEMU_OPTION_pci },
2568 { "cirrusvga", 0, QEMU_OPTION_cirrusvga },
2572 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
2574 /* this stack is only used during signal handling */
2575 #define SIGNAL_STACK_SIZE 32768
2577 static uint8_t *signal_stack;
2581 /* password input */
2583 static BlockDriverState *get_bdrv(int index)
2585 BlockDriverState *bs;
2588 bs = bs_table[index];
2589 } else if (index < 6) {
2590 bs = fd_table[index - 4];
2597 static void read_passwords(void)
2599 BlockDriverState *bs;
2603 for(i = 0; i < 6; i++) {
2605 if (bs && bdrv_is_encrypted(bs)) {
2606 term_printf("%s is encrypted.\n", bdrv_get_device_name(bs));
2607 for(j = 0; j < 3; j++) {
2608 monitor_readline("Password: ",
2609 1, password, sizeof(password));
2610 if (bdrv_set_key(bs, password) == 0)
2612 term_printf("invalid password\n");
2618 #define NET_IF_TUN 0
2619 #define NET_IF_USER 1
2620 #define NET_IF_DUMMY 2
2622 int main(int argc, char **argv)
2624 #ifdef CONFIG_GDBSTUB
2625 int use_gdbstub, gdbstub_port;
2628 int snapshot, linux_boot;
2630 const char *initrd_filename;
2631 const char *hd_filename[MAX_DISKS], *fd_filename[MAX_FD];
2632 const char *kernel_filename, *kernel_cmdline;
2633 DisplayState *ds = &display_state;
2634 int cyls, heads, secs;
2635 int start_emulation = 1;
2637 int net_if_type, nb_tun_fds, tun_fds[MAX_NICS];
2639 const char *r, *optarg;
2640 CharDriverState *monitor_hd;
2641 char monitor_device[128];
2642 char serial_devices[MAX_SERIAL_PORTS][128];
2643 int serial_device_index;
2645 #if !defined(CONFIG_SOFTMMU)
2646 /* we never want that malloc() uses mmap() */
2647 mallopt(M_MMAP_THRESHOLD, 4096 * 1024);
2649 initrd_filename = NULL;
2650 for(i = 0; i < MAX_FD; i++)
2651 fd_filename[i] = NULL;
2652 for(i = 0; i < MAX_DISKS; i++)
2653 hd_filename[i] = NULL;
2654 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
2655 vga_ram_size = VGA_RAM_SIZE;
2656 bios_size = BIOS_SIZE;
2657 pstrcpy(network_script, sizeof(network_script), DEFAULT_NETWORK_SCRIPT);
2658 #ifdef CONFIG_GDBSTUB
2660 gdbstub_port = DEFAULT_GDBSTUB_PORT;
2664 kernel_filename = NULL;
2665 kernel_cmdline = "";
2667 cyls = heads = secs = 0;
2668 pstrcpy(monitor_device, sizeof(monitor_device), "vc");
2670 pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "vc");
2671 for(i = 1; i < MAX_SERIAL_PORTS; i++)
2672 serial_devices[i][0] = '\0';
2673 serial_device_index = 0;
2678 /* default mac address of the first network interface */
2692 hd_filename[0] = argv[optind++];
2694 const QEMUOption *popt;
2697 popt = qemu_options;
2700 fprintf(stderr, "%s: invalid option -- '%s'\n",
2704 if (!strcmp(popt->name, r + 1))
2708 if (popt->flags & HAS_ARG) {
2709 if (optind >= argc) {
2710 fprintf(stderr, "%s: option '%s' requires an argument\n",
2714 optarg = argv[optind++];
2719 switch(popt->index) {
2720 case QEMU_OPTION_initrd:
2721 initrd_filename = optarg;
2723 case QEMU_OPTION_hda:
2724 hd_filename[0] = optarg;
2726 case QEMU_OPTION_hdb:
2727 hd_filename[1] = optarg;
2729 case QEMU_OPTION_snapshot:
2732 case QEMU_OPTION_hdachs:
2736 cyls = strtol(p, (char **)&p, 0);
2740 heads = strtol(p, (char **)&p, 0);
2744 secs = strtol(p, (char **)&p, 0);
2751 case QEMU_OPTION_nographic:
2752 pstrcpy(monitor_device, sizeof(monitor_device), "stdio");
2753 pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "stdio");
2756 case QEMU_OPTION_kernel:
2757 kernel_filename = optarg;
2759 case QEMU_OPTION_append:
2760 kernel_cmdline = optarg;
2762 case QEMU_OPTION_tun_fd:
2766 net_if_type = NET_IF_TUN;
2767 if (nb_tun_fds < MAX_NICS) {
2768 fd = strtol(optarg, (char **)&p, 0);
2770 fprintf(stderr, "qemu: invalid fd for network interface %d\n", nb_tun_fds);
2773 tun_fds[nb_tun_fds++] = fd;
2777 case QEMU_OPTION_hdc:
2778 hd_filename[2] = optarg;
2781 case QEMU_OPTION_hdd:
2782 hd_filename[3] = optarg;
2784 case QEMU_OPTION_cdrom:
2785 hd_filename[2] = optarg;
2788 case QEMU_OPTION_boot:
2789 boot_device = optarg[0];
2790 if (boot_device != 'a' && boot_device != 'b' &&
2791 boot_device != 'c' && boot_device != 'd') {
2792 fprintf(stderr, "qemu: invalid boot device '%c'\n", boot_device);
2796 case QEMU_OPTION_fda:
2797 fd_filename[0] = optarg;
2799 case QEMU_OPTION_fdb:
2800 fd_filename[1] = optarg;
2802 case QEMU_OPTION_no_code_copy:
2803 code_copy_enabled = 0;
2805 case QEMU_OPTION_nics:
2806 nb_nics = atoi(optarg);
2807 if (nb_nics < 0 || nb_nics > MAX_NICS) {
2808 fprintf(stderr, "qemu: invalid number of network interfaces\n");
2812 case QEMU_OPTION_macaddr:
2817 for(i = 0; i < 6; i++) {
2818 macaddr[i] = strtol(p, (char **)&p, 16);
2825 fprintf(stderr, "qemu: invalid syntax for ethernet address\n");
2834 case QEMU_OPTION_tftp:
2835 tftp_prefix = optarg;
2837 case QEMU_OPTION_user_net:
2838 net_if_type = NET_IF_USER;
2840 case QEMU_OPTION_redir:
2841 net_slirp_redir(optarg);
2844 case QEMU_OPTION_dummy_net:
2845 net_if_type = NET_IF_DUMMY;
2847 case QEMU_OPTION_enable_audio:
2854 ram_size = atoi(optarg) * 1024 * 1024;
2857 if (ram_size > PHYS_RAM_MAX_SIZE) {
2858 fprintf(stderr, "qemu: at most %d MB RAM can be simulated\n",
2859 PHYS_RAM_MAX_SIZE / (1024 * 1024));
2868 mask = cpu_str_to_log_mask(optarg);
2870 printf("Log items (comma separated):\n");
2871 for(item = cpu_log_items; item->mask != 0; item++) {
2872 printf("%-10s %s\n", item->name, item->help);
2880 pstrcpy(network_script, sizeof(network_script), optarg);
2882 #ifdef CONFIG_GDBSTUB
2887 gdbstub_port = atoi(optarg);
2894 start_emulation = 0;
2896 case QEMU_OPTION_pci:
2899 case QEMU_OPTION_isa:
2902 case QEMU_OPTION_prep:
2905 case QEMU_OPTION_localtime:
2908 case QEMU_OPTION_cirrusvga:
2909 cirrus_vga_enabled = 1;
2911 case QEMU_OPTION_std_vga:
2912 cirrus_vga_enabled = 0;
2919 w = strtol(p, (char **)&p, 10);
2922 fprintf(stderr, "qemu: invalid resolution or depth\n");
2928 h = strtol(p, (char **)&p, 10);
2933 depth = strtol(p, (char **)&p, 10);
2934 if (depth != 8 && depth != 15 && depth != 16 &&
2935 depth != 24 && depth != 32)
2937 } else if (*p == '\0') {
2938 depth = graphic_depth;
2945 graphic_depth = depth;
2948 case QEMU_OPTION_monitor:
2949 pstrcpy(monitor_device, sizeof(monitor_device), optarg);
2951 case QEMU_OPTION_serial:
2952 if (serial_device_index >= MAX_SERIAL_PORTS) {
2953 fprintf(stderr, "qemu: too many serial ports\n");
2956 pstrcpy(serial_devices[serial_device_index],
2957 sizeof(serial_devices[0]), optarg);
2958 serial_device_index++;
2964 linux_boot = (kernel_filename != NULL);
2966 if (!linux_boot && hd_filename[0] == '\0' && hd_filename[2] == '\0' &&
2967 fd_filename[0] == '\0')
2970 /* boot to cd by default if no hard disk */
2971 if (hd_filename[0] == '\0' && boot_device == 'c') {
2972 if (fd_filename[0] != '\0')
2978 #if !defined(CONFIG_SOFTMMU)
2979 /* must avoid mmap() usage of glibc by setting a buffer "by hand" */
2981 static uint8_t stdout_buf[4096];
2982 setvbuf(stdout, stdout_buf, _IOLBF, sizeof(stdout_buf));
2985 setvbuf(stdout, NULL, _IOLBF, 0);
2988 /* init host network redirectors */
2989 if (net_if_type == -1) {
2990 net_if_type = NET_IF_TUN;
2991 #if defined(CONFIG_SLIRP)
2992 if (access(network_script, R_OK) < 0) {
2993 net_if_type = NET_IF_USER;
2998 for(i = 0; i < nb_nics; i++) {
2999 NetDriverState *nd = &nd_table[i];
3001 /* init virtual mac address */
3002 nd->macaddr[0] = macaddr[0];
3003 nd->macaddr[1] = macaddr[1];
3004 nd->macaddr[2] = macaddr[2];
3005 nd->macaddr[3] = macaddr[3];
3006 nd->macaddr[4] = macaddr[4];
3007 nd->macaddr[5] = macaddr[5] + i;
3008 switch(net_if_type) {
3009 #if defined(CONFIG_SLIRP)
3014 #if !defined(_WIN32)
3016 if (i < nb_tun_fds) {
3017 net_fd_init(nd, tun_fds[i]);
3019 if (net_tun_init(nd) < 0)
3031 /* init the memory */
3032 phys_ram_size = ram_size + vga_ram_size + bios_size;
3034 #ifdef CONFIG_SOFTMMU
3036 /* mallocs are always aligned on BSD. valloc is better for correctness */
3037 phys_ram_base = valloc(phys_ram_size);
3039 phys_ram_base = memalign(TARGET_PAGE_SIZE, phys_ram_size);
3041 if (!phys_ram_base) {
3042 fprintf(stderr, "Could not allocate physical memory\n");
3046 /* as we must map the same page at several addresses, we must use
3051 tmpdir = getenv("QEMU_TMPDIR");
3054 snprintf(phys_ram_file, sizeof(phys_ram_file), "%s/vlXXXXXX", tmpdir);
3055 if (mkstemp(phys_ram_file) < 0) {
3056 fprintf(stderr, "Could not create temporary memory file '%s'\n",
3060 phys_ram_fd = open(phys_ram_file, O_CREAT | O_TRUNC | O_RDWR, 0600);
3061 if (phys_ram_fd < 0) {
3062 fprintf(stderr, "Could not open temporary memory file '%s'\n",
3066 ftruncate(phys_ram_fd, phys_ram_size);
3067 unlink(phys_ram_file);
3068 phys_ram_base = mmap(get_mmap_addr(phys_ram_size),
3070 PROT_WRITE | PROT_READ, MAP_SHARED | MAP_FIXED,
3072 if (phys_ram_base == MAP_FAILED) {
3073 fprintf(stderr, "Could not map physical memory\n");
3079 /* we always create the cdrom drive, even if no disk is there */
3082 bs_table[2] = bdrv_new("cdrom");
3083 bdrv_set_type_hint(bs_table[2], BDRV_TYPE_CDROM);
3086 /* open the virtual block devices */
3087 for(i = 0; i < MAX_DISKS; i++) {
3088 if (hd_filename[i]) {
3091 snprintf(buf, sizeof(buf), "hd%c", i + 'a');
3092 bs_table[i] = bdrv_new(buf);
3094 if (bdrv_open(bs_table[i], hd_filename[i], snapshot) < 0) {
3095 fprintf(stderr, "qemu: could not open hard disk image '%s'\n",
3099 if (i == 0 && cyls != 0)
3100 bdrv_set_geometry_hint(bs_table[i], cyls, heads, secs);
3104 /* we always create at least one floppy disk */
3105 fd_table[0] = bdrv_new("fda");
3106 bdrv_set_type_hint(fd_table[0], BDRV_TYPE_FLOPPY);
3108 for(i = 0; i < MAX_FD; i++) {
3109 if (fd_filename[i]) {
3112 snprintf(buf, sizeof(buf), "fd%c", i + 'a');
3113 fd_table[i] = bdrv_new(buf);
3114 bdrv_set_type_hint(fd_table[i], BDRV_TYPE_FLOPPY);
3116 if (fd_filename[i] != '\0') {
3117 if (bdrv_open(fd_table[i], fd_filename[i], snapshot) < 0) {
3118 fprintf(stderr, "qemu: could not open floppy disk image '%s'\n",
3126 /* init CPU state */
3129 cpu_single_env = env;
3131 register_savevm("timer", 0, 1, timer_save, timer_load, env);
3132 register_savevm("cpu", 0, 2, cpu_save, cpu_load, env);
3133 register_savevm("ram", 0, 1, ram_save, ram_load, NULL);
3134 qemu_register_reset(main_cpu_reset, global_env);
3137 cpu_calibrate_ticks();
3141 dumb_display_init(ds);
3144 sdl_display_init(ds);
3146 dumb_display_init(ds);
3150 vga_console = graphic_console_init(ds);
3152 monitor_hd = qemu_chr_open(monitor_device);
3154 fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device);
3157 monitor_init(monitor_hd, !nographic);
3159 for(i = 0; i < MAX_SERIAL_PORTS; i++) {
3160 if (serial_devices[i][0] != '\0') {
3161 serial_hds[i] = qemu_chr_open(serial_devices[i]);
3162 if (!serial_hds[i]) {
3163 fprintf(stderr, "qemu: could not open serial device '%s'\n",
3167 if (!strcmp(serial_devices[i], "vc"))
3168 qemu_chr_printf(serial_hds[i], "serial%d console\n", i);
3172 /* setup cpu signal handlers for MMU / self modifying code handling */
3173 #if !defined(CONFIG_SOFTMMU)
3175 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
3178 signal_stack = memalign(16, SIGNAL_STACK_SIZE);
3179 stk.ss_sp = signal_stack;
3180 stk.ss_size = SIGNAL_STACK_SIZE;
3183 if (sigaltstack(&stk, NULL) < 0) {
3184 perror("sigaltstack");
3190 struct sigaction act;
3192 sigfillset(&act.sa_mask);
3193 act.sa_flags = SA_SIGINFO;
3194 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
3195 act.sa_flags |= SA_ONSTACK;
3197 act.sa_sigaction = host_segv_handler;
3198 sigaction(SIGSEGV, &act, NULL);
3199 sigaction(SIGBUS, &act, NULL);
3200 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
3201 sigaction(SIGFPE, &act, NULL);
3208 struct sigaction act;
3209 sigfillset(&act.sa_mask);
3211 act.sa_handler = SIG_IGN;
3212 sigaction(SIGPIPE, &act, NULL);
3217 #if defined(TARGET_I386)
3218 pc_init(ram_size, vga_ram_size, boot_device,
3219 ds, fd_filename, snapshot,
3220 kernel_filename, kernel_cmdline, initrd_filename);
3221 #elif defined(TARGET_PPC)
3222 ppc_init(ram_size, vga_ram_size, boot_device,
3223 ds, fd_filename, snapshot,
3224 kernel_filename, kernel_cmdline, initrd_filename);
3227 gui_timer = qemu_new_timer(rt_clock, gui_update, NULL);
3228 qemu_mod_timer(gui_timer, qemu_get_clock(rt_clock));
3230 #ifdef CONFIG_GDBSTUB
3232 if (gdbserver_start(gdbstub_port) < 0) {
3233 fprintf(stderr, "Could not open gdbserver socket on port %d\n",
3237 printf("Waiting gdb connection on port %d\n", gdbstub_port);
3242 /* XXX: simplify init */
3244 if (start_emulation) {