4 * Copyright (c) 2003-2006 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
35 #include <sys/times.h>
40 #include <sys/ioctl.h>
41 #include <sys/socket.h>
42 #include <netinet/in.h>
53 #include <linux/if_tun.h>
56 #include <linux/rtc.h>
57 #include <linux/ppdev.h>
62 #if defined(CONFIG_SLIRP)
68 #include <sys/timeb.h>
70 #define getopt_long_only getopt_long
71 #define memalign(align, size) malloc(size)
74 #include "qemu_socket.h"
80 #endif /* CONFIG_SDL */
84 #define main qemu_main
85 #endif /* CONFIG_COCOA */
91 #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
93 //#define DEBUG_UNUSED_IOPORT
94 //#define DEBUG_IOPORT
96 #define PHYS_RAM_MAX_SIZE (2047 * 1024 * 1024)
99 #define DEFAULT_RAM_SIZE 144
101 #define DEFAULT_RAM_SIZE 128
104 #define GUI_REFRESH_INTERVAL 30
106 /* Max number of USB devices that can be specified on the commandline. */
107 #define MAX_USB_CMDLINE 8
109 /* XXX: use a two level table to limit memory usage */
110 #define MAX_IOPORTS 65536
112 const char *bios_dir = CONFIG_QEMU_SHAREDIR;
113 char phys_ram_file[1024];
114 void *ioport_opaque[MAX_IOPORTS];
115 IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS];
116 IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS];
117 /* Note: bs_table[MAX_DISKS] is a dummy block driver if none available
118 to store the VM snapshots */
119 BlockDriverState *bs_table[MAX_DISKS + 1], *fd_table[MAX_FD];
120 /* point to the block driver where the snapshots are managed */
121 BlockDriverState *bs_snapshots;
124 static DisplayState display_state;
126 const char* keyboard_layout = NULL;
127 int64_t ticks_per_sec;
128 int boot_device = 'c';
130 int pit_min_timer_count = 0;
132 NICInfo nd_table[MAX_NICS];
133 QEMUTimer *gui_timer;
136 int cirrus_vga_enabled = 1;
138 int graphic_width = 1024;
139 int graphic_height = 768;
141 int graphic_width = 800;
142 int graphic_height = 600;
144 int graphic_depth = 15;
146 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
147 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
149 int win2k_install_hack = 0;
152 static VLANState *first_vlan;
154 int vnc_display = -1;
155 #if defined(TARGET_SPARC)
157 #elif defined(TARGET_I386)
162 int acpi_enabled = 1;
165 /***********************************************************/
166 /* x86 ISA bus support */
168 target_phys_addr_t isa_mem_base = 0;
171 uint32_t default_ioport_readb(void *opaque, uint32_t address)
173 #ifdef DEBUG_UNUSED_IOPORT
174 fprintf(stderr, "inb: port=0x%04x\n", address);
179 void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data)
181 #ifdef DEBUG_UNUSED_IOPORT
182 fprintf(stderr, "outb: port=0x%04x data=0x%02x\n", address, data);
186 /* default is to make two byte accesses */
187 uint32_t default_ioport_readw(void *opaque, uint32_t address)
190 data = ioport_read_table[0][address](ioport_opaque[address], address);
191 address = (address + 1) & (MAX_IOPORTS - 1);
192 data |= ioport_read_table[0][address](ioport_opaque[address], address) << 8;
196 void default_ioport_writew(void *opaque, uint32_t address, uint32_t data)
198 ioport_write_table[0][address](ioport_opaque[address], address, data & 0xff);
199 address = (address + 1) & (MAX_IOPORTS - 1);
200 ioport_write_table[0][address](ioport_opaque[address], address, (data >> 8) & 0xff);
203 uint32_t default_ioport_readl(void *opaque, uint32_t address)
205 #ifdef DEBUG_UNUSED_IOPORT
206 fprintf(stderr, "inl: port=0x%04x\n", address);
211 void default_ioport_writel(void *opaque, uint32_t address, uint32_t data)
213 #ifdef DEBUG_UNUSED_IOPORT
214 fprintf(stderr, "outl: port=0x%04x data=0x%02x\n", address, data);
218 void init_ioports(void)
222 for(i = 0; i < MAX_IOPORTS; i++) {
223 ioport_read_table[0][i] = default_ioport_readb;
224 ioport_write_table[0][i] = default_ioport_writeb;
225 ioport_read_table[1][i] = default_ioport_readw;
226 ioport_write_table[1][i] = default_ioport_writew;
227 ioport_read_table[2][i] = default_ioport_readl;
228 ioport_write_table[2][i] = default_ioport_writel;
232 /* size is the word size in byte */
233 int register_ioport_read(int start, int length, int size,
234 IOPortReadFunc *func, void *opaque)
240 } else if (size == 2) {
242 } else if (size == 4) {
245 hw_error("register_ioport_read: invalid size");
248 for(i = start; i < start + length; i += size) {
249 ioport_read_table[bsize][i] = func;
250 if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
251 hw_error("register_ioport_read: invalid opaque");
252 ioport_opaque[i] = opaque;
257 /* size is the word size in byte */
258 int register_ioport_write(int start, int length, int size,
259 IOPortWriteFunc *func, void *opaque)
265 } else if (size == 2) {
267 } else if (size == 4) {
270 hw_error("register_ioport_write: invalid size");
273 for(i = start; i < start + length; i += size) {
274 ioport_write_table[bsize][i] = func;
275 if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
276 hw_error("register_ioport_read: invalid opaque");
277 ioport_opaque[i] = opaque;
282 void isa_unassign_ioport(int start, int length)
286 for(i = start; i < start + length; i++) {
287 ioport_read_table[0][i] = default_ioport_readb;
288 ioport_read_table[1][i] = default_ioport_readw;
289 ioport_read_table[2][i] = default_ioport_readl;
291 ioport_write_table[0][i] = default_ioport_writeb;
292 ioport_write_table[1][i] = default_ioport_writew;
293 ioport_write_table[2][i] = default_ioport_writel;
297 /***********************************************************/
299 void pstrcpy(char *buf, int buf_size, const char *str)
309 if (c == 0 || q >= buf + buf_size - 1)
316 /* strcat and truncate. */
317 char *pstrcat(char *buf, int buf_size, const char *s)
322 pstrcpy(buf + len, buf_size - len, s);
326 int strstart(const char *str, const char *val, const char **ptr)
342 void cpu_outb(CPUState *env, int addr, int val)
345 if (loglevel & CPU_LOG_IOPORT)
346 fprintf(logfile, "outb: %04x %02x\n", addr, val);
348 ioport_write_table[0][addr](ioport_opaque[addr], addr, val);
351 env->last_io_time = cpu_get_time_fast();
355 void cpu_outw(CPUState *env, int addr, int val)
358 if (loglevel & CPU_LOG_IOPORT)
359 fprintf(logfile, "outw: %04x %04x\n", addr, val);
361 ioport_write_table[1][addr](ioport_opaque[addr], addr, val);
364 env->last_io_time = cpu_get_time_fast();
368 void cpu_outl(CPUState *env, int addr, int val)
371 if (loglevel & CPU_LOG_IOPORT)
372 fprintf(logfile, "outl: %04x %08x\n", addr, val);
374 ioport_write_table[2][addr](ioport_opaque[addr], addr, val);
377 env->last_io_time = cpu_get_time_fast();
381 int cpu_inb(CPUState *env, int addr)
384 val = ioport_read_table[0][addr](ioport_opaque[addr], addr);
386 if (loglevel & CPU_LOG_IOPORT)
387 fprintf(logfile, "inb : %04x %02x\n", addr, val);
391 env->last_io_time = cpu_get_time_fast();
396 int cpu_inw(CPUState *env, int addr)
399 val = ioport_read_table[1][addr](ioport_opaque[addr], addr);
401 if (loglevel & CPU_LOG_IOPORT)
402 fprintf(logfile, "inw : %04x %04x\n", addr, val);
406 env->last_io_time = cpu_get_time_fast();
411 int cpu_inl(CPUState *env, int addr)
414 val = ioport_read_table[2][addr](ioport_opaque[addr], addr);
416 if (loglevel & CPU_LOG_IOPORT)
417 fprintf(logfile, "inl : %04x %08x\n", addr, val);
421 env->last_io_time = cpu_get_time_fast();
426 /***********************************************************/
427 void hw_error(const char *fmt, ...)
433 fprintf(stderr, "qemu: hardware error: ");
434 vfprintf(stderr, fmt, ap);
435 fprintf(stderr, "\n");
436 for(env = first_cpu; env != NULL; env = env->next_cpu) {
437 fprintf(stderr, "CPU #%d:\n", env->cpu_index);
439 cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU);
441 cpu_dump_state(env, stderr, fprintf, 0);
448 /***********************************************************/
451 static QEMUPutKBDEvent *qemu_put_kbd_event;
452 static void *qemu_put_kbd_event_opaque;
453 static QEMUPutMouseEvent *qemu_put_mouse_event;
454 static void *qemu_put_mouse_event_opaque;
455 static int qemu_put_mouse_event_absolute;
457 void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
459 qemu_put_kbd_event_opaque = opaque;
460 qemu_put_kbd_event = func;
463 void qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, void *opaque, int absolute)
465 qemu_put_mouse_event_opaque = opaque;
466 qemu_put_mouse_event = func;
467 qemu_put_mouse_event_absolute = absolute;
470 void kbd_put_keycode(int keycode)
472 if (qemu_put_kbd_event) {
473 qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode);
477 void kbd_mouse_event(int dx, int dy, int dz, int buttons_state)
479 if (qemu_put_mouse_event) {
480 qemu_put_mouse_event(qemu_put_mouse_event_opaque,
481 dx, dy, dz, buttons_state);
485 int kbd_mouse_is_absolute(void)
487 return qemu_put_mouse_event_absolute;
490 /* compute with 96 bit intermediate result: (a*b)/c */
491 uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
496 #ifdef WORDS_BIGENDIAN
506 rl = (uint64_t)u.l.low * (uint64_t)b;
507 rh = (uint64_t)u.l.high * (uint64_t)b;
510 res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
514 /***********************************************************/
515 /* real time host monotonic timer */
517 #define QEMU_TIMER_BASE 1000000000LL
521 static int64_t clock_freq;
523 static void init_get_clock(void)
527 ret = QueryPerformanceFrequency(&freq);
529 fprintf(stderr, "Could not calibrate ticks\n");
532 clock_freq = freq.QuadPart;
535 static int64_t get_clock(void)
538 QueryPerformanceCounter(&ti);
539 return muldiv64(ti.QuadPart, QEMU_TIMER_BASE, clock_freq);
544 static int use_rt_clock;
546 static void init_get_clock(void)
549 #if defined(__linux__)
552 if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) {
559 static int64_t get_clock(void)
561 #if defined(__linux__)
564 clock_gettime(CLOCK_MONOTONIC, &ts);
565 return ts.tv_sec * 1000000000LL + ts.tv_nsec;
569 /* XXX: using gettimeofday leads to problems if the date
570 changes, so it should be avoided. */
572 gettimeofday(&tv, NULL);
573 return tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000);
579 /***********************************************************/
580 /* guest cycle counter */
582 static int64_t cpu_ticks_prev;
583 static int64_t cpu_ticks_offset;
584 static int64_t cpu_clock_offset;
585 static int cpu_ticks_enabled;
587 /* return the host CPU cycle counter and handle stop/restart */
588 int64_t cpu_get_ticks(void)
590 if (!cpu_ticks_enabled) {
591 return cpu_ticks_offset;
594 ticks = cpu_get_real_ticks();
595 if (cpu_ticks_prev > ticks) {
596 /* Note: non increasing ticks may happen if the host uses
598 cpu_ticks_offset += cpu_ticks_prev - ticks;
600 cpu_ticks_prev = ticks;
601 return ticks + cpu_ticks_offset;
605 /* return the host CPU monotonic timer and handle stop/restart */
606 static int64_t cpu_get_clock(void)
609 if (!cpu_ticks_enabled) {
610 return cpu_clock_offset;
613 return ti + cpu_clock_offset;
617 /* enable cpu_get_ticks() */
618 void cpu_enable_ticks(void)
620 if (!cpu_ticks_enabled) {
621 cpu_ticks_offset -= cpu_get_real_ticks();
622 cpu_clock_offset -= get_clock();
623 cpu_ticks_enabled = 1;
627 /* disable cpu_get_ticks() : the clock is stopped. You must not call
628 cpu_get_ticks() after that. */
629 void cpu_disable_ticks(void)
631 if (cpu_ticks_enabled) {
632 cpu_ticks_offset = cpu_get_ticks();
633 cpu_clock_offset = cpu_get_clock();
634 cpu_ticks_enabled = 0;
638 /***********************************************************/
641 #define QEMU_TIMER_REALTIME 0
642 #define QEMU_TIMER_VIRTUAL 1
646 /* XXX: add frequency */
654 struct QEMUTimer *next;
660 static QEMUTimer *active_timers[2];
662 static MMRESULT timerID;
663 static HANDLE host_alarm = NULL;
664 static unsigned int period = 1;
666 /* frequency of the times() clock tick */
667 static int timer_freq;
670 QEMUClock *qemu_new_clock(int type)
673 clock = qemu_mallocz(sizeof(QEMUClock));
680 QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque)
684 ts = qemu_mallocz(sizeof(QEMUTimer));
691 void qemu_free_timer(QEMUTimer *ts)
696 /* stop a timer, but do not dealloc it */
697 void qemu_del_timer(QEMUTimer *ts)
701 /* NOTE: this code must be signal safe because
702 qemu_timer_expired() can be called from a signal. */
703 pt = &active_timers[ts->clock->type];
716 /* modify the current timer so that it will be fired when current_time
717 >= expire_time. The corresponding callback will be called. */
718 void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time)
724 /* add the timer in the sorted list */
725 /* NOTE: this code must be signal safe because
726 qemu_timer_expired() can be called from a signal. */
727 pt = &active_timers[ts->clock->type];
732 if (t->expire_time > expire_time)
736 ts->expire_time = expire_time;
741 int qemu_timer_pending(QEMUTimer *ts)
744 for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) {
751 static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time)
755 return (timer_head->expire_time <= current_time);
758 static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time)
764 if (!ts || ts->expire_time > current_time)
766 /* remove timer from the list before calling the callback */
767 *ptimer_head = ts->next;
770 /* run the callback (the timer list can be modified) */
775 int64_t qemu_get_clock(QEMUClock *clock)
777 switch(clock->type) {
778 case QEMU_TIMER_REALTIME:
779 return get_clock() / 1000000;
781 case QEMU_TIMER_VIRTUAL:
782 return cpu_get_clock();
786 static void init_timers(void)
789 ticks_per_sec = QEMU_TIMER_BASE;
790 rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME);
791 vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL);
795 void qemu_put_timer(QEMUFile *f, QEMUTimer *ts)
797 uint64_t expire_time;
799 if (qemu_timer_pending(ts)) {
800 expire_time = ts->expire_time;
804 qemu_put_be64(f, expire_time);
807 void qemu_get_timer(QEMUFile *f, QEMUTimer *ts)
809 uint64_t expire_time;
811 expire_time = qemu_get_be64(f);
812 if (expire_time != -1) {
813 qemu_mod_timer(ts, expire_time);
819 static void timer_save(QEMUFile *f, void *opaque)
821 if (cpu_ticks_enabled) {
822 hw_error("cannot save state if virtual timers are running");
824 qemu_put_be64s(f, &cpu_ticks_offset);
825 qemu_put_be64s(f, &ticks_per_sec);
826 qemu_put_be64s(f, &cpu_clock_offset);
829 static int timer_load(QEMUFile *f, void *opaque, int version_id)
831 if (version_id != 1 && version_id != 2)
833 if (cpu_ticks_enabled) {
836 qemu_get_be64s(f, &cpu_ticks_offset);
837 qemu_get_be64s(f, &ticks_per_sec);
838 if (version_id == 2) {
839 qemu_get_be64s(f, &cpu_clock_offset);
845 void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg,
846 DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2)
848 static void host_alarm_handler(int host_signum)
852 #define DISP_FREQ 1000
854 static int64_t delta_min = INT64_MAX;
855 static int64_t delta_max, delta_cum, last_clock, delta, ti;
857 ti = qemu_get_clock(vm_clock);
858 if (last_clock != 0) {
859 delta = ti - last_clock;
860 if (delta < delta_min)
862 if (delta > delta_max)
865 if (++count == DISP_FREQ) {
866 printf("timer: min=%" PRId64 " us max=%" PRId64 " us avg=%" PRId64 " us avg_freq=%0.3f Hz\n",
867 muldiv64(delta_min, 1000000, ticks_per_sec),
868 muldiv64(delta_max, 1000000, ticks_per_sec),
869 muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec),
870 (double)ticks_per_sec / ((double)delta_cum / DISP_FREQ));
872 delta_min = INT64_MAX;
880 if (qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL],
881 qemu_get_clock(vm_clock)) ||
882 qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME],
883 qemu_get_clock(rt_clock))) {
885 SetEvent(host_alarm);
887 CPUState *env = cpu_single_env;
889 /* stop the currently executing cpu because a timer occured */
890 cpu_interrupt(env, CPU_INTERRUPT_EXIT);
892 if (env->kqemu_enabled) {
893 kqemu_cpu_interrupt(env);
902 #if defined(__linux__)
904 #define RTC_FREQ 1024
908 static int start_rtc_timer(void)
910 rtc_fd = open("/dev/rtc", O_RDONLY);
913 if (ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) {
914 fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
915 "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
916 "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
919 if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) {
924 pit_min_timer_count = PIT_FREQ / RTC_FREQ;
930 static int start_rtc_timer(void)
935 #endif /* !defined(__linux__) */
937 #endif /* !defined(_WIN32) */
939 static void init_timer_alarm(void)
946 ZeroMemory(&tc, sizeof(TIMECAPS));
947 timeGetDevCaps(&tc, sizeof(TIMECAPS));
948 if (period < tc.wPeriodMin)
949 period = tc.wPeriodMin;
950 timeBeginPeriod(period);
951 timerID = timeSetEvent(1, // interval (ms)
952 period, // resolution
953 host_alarm_handler, // function
954 (DWORD)&count, // user parameter
955 TIME_PERIODIC | TIME_CALLBACK_FUNCTION);
957 perror("failed timer alarm");
960 host_alarm = CreateEvent(NULL, FALSE, FALSE, NULL);
962 perror("failed CreateEvent");
965 qemu_add_wait_object(host_alarm, NULL, NULL);
967 pit_min_timer_count = ((uint64_t)10000 * PIT_FREQ) / 1000000;
970 struct sigaction act;
971 struct itimerval itv;
973 /* get times() syscall frequency */
974 timer_freq = sysconf(_SC_CLK_TCK);
977 sigfillset(&act.sa_mask);
979 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
980 act.sa_flags |= SA_ONSTACK;
982 act.sa_handler = host_alarm_handler;
983 sigaction(SIGALRM, &act, NULL);
985 itv.it_interval.tv_sec = 0;
986 itv.it_interval.tv_usec = 999; /* for i386 kernel 2.6 to get 1 ms */
987 itv.it_value.tv_sec = 0;
988 itv.it_value.tv_usec = 10 * 1000;
989 setitimer(ITIMER_REAL, &itv, NULL);
990 /* we probe the tick duration of the kernel to inform the user if
991 the emulated kernel requested a too high timer frequency */
992 getitimer(ITIMER_REAL, &itv);
994 #if defined(__linux__)
995 /* XXX: force /dev/rtc usage because even 2.6 kernels may not
996 have timers with 1 ms resolution. The correct solution will
997 be to use the POSIX real time timers available in recent
999 if (itv.it_interval.tv_usec > 1000 || 1) {
1000 /* try to use /dev/rtc to have a faster timer */
1001 if (start_rtc_timer() < 0)
1003 /* disable itimer */
1004 itv.it_interval.tv_sec = 0;
1005 itv.it_interval.tv_usec = 0;
1006 itv.it_value.tv_sec = 0;
1007 itv.it_value.tv_usec = 0;
1008 setitimer(ITIMER_REAL, &itv, NULL);
1011 sigaction(SIGIO, &act, NULL);
1012 fcntl(rtc_fd, F_SETFL, O_ASYNC);
1013 fcntl(rtc_fd, F_SETOWN, getpid());
1015 #endif /* defined(__linux__) */
1018 pit_min_timer_count = ((uint64_t)itv.it_interval.tv_usec *
1019 PIT_FREQ) / 1000000;
1025 void quit_timers(void)
1028 timeKillEvent(timerID);
1029 timeEndPeriod(period);
1031 CloseHandle(host_alarm);
1037 /***********************************************************/
1038 /* character device */
1040 int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len)
1042 return s->chr_write(s, buf, len);
1045 int qemu_chr_ioctl(CharDriverState *s, int cmd, void *arg)
1049 return s->chr_ioctl(s, cmd, arg);
1052 void qemu_chr_printf(CharDriverState *s, const char *fmt, ...)
1057 vsnprintf(buf, sizeof(buf), fmt, ap);
1058 qemu_chr_write(s, buf, strlen(buf));
1062 void qemu_chr_send_event(CharDriverState *s, int event)
1064 if (s->chr_send_event)
1065 s->chr_send_event(s, event);
1068 void qemu_chr_add_read_handler(CharDriverState *s,
1069 IOCanRWHandler *fd_can_read,
1070 IOReadHandler *fd_read, void *opaque)
1072 s->chr_add_read_handler(s, fd_can_read, fd_read, opaque);
1075 void qemu_chr_add_event_handler(CharDriverState *s, IOEventHandler *chr_event)
1077 s->chr_event = chr_event;
1080 static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1085 static void null_chr_add_read_handler(CharDriverState *chr,
1086 IOCanRWHandler *fd_can_read,
1087 IOReadHandler *fd_read, void *opaque)
1091 CharDriverState *qemu_chr_open_null(void)
1093 CharDriverState *chr;
1095 chr = qemu_mallocz(sizeof(CharDriverState));
1098 chr->chr_write = null_chr_write;
1099 chr->chr_add_read_handler = null_chr_add_read_handler;
1105 static void socket_cleanup(void)
1110 static int socket_init(void)
1115 ret = WSAStartup(MAKEWORD(2,2), &Data);
1117 err = WSAGetLastError();
1118 fprintf(stderr, "WSAStartup: %d\n", err);
1121 atexit(socket_cleanup);
1125 static int send_all(int fd, const uint8_t *buf, int len1)
1131 ret = send(fd, buf, len, 0);
1134 errno = WSAGetLastError();
1135 if (errno != WSAEWOULDBLOCK) {
1138 } else if (ret == 0) {
1148 void socket_set_nonblock(int fd)
1150 unsigned long opt = 1;
1151 ioctlsocket(fd, FIONBIO, &opt);
1156 static int unix_write(int fd, const uint8_t *buf, int len1)
1162 ret = write(fd, buf, len);
1164 if (errno != EINTR && errno != EAGAIN)
1166 } else if (ret == 0) {
1176 static inline int send_all(int fd, const uint8_t *buf, int len1)
1178 return unix_write(fd, buf, len1);
1181 void socket_set_nonblock(int fd)
1183 fcntl(fd, F_SETFL, O_NONBLOCK);
1185 #endif /* !_WIN32 */
1191 IOCanRWHandler *fd_can_read;
1192 IOReadHandler *fd_read;
1197 #define STDIO_MAX_CLIENTS 2
1199 static int stdio_nb_clients;
1200 static CharDriverState *stdio_clients[STDIO_MAX_CLIENTS];
1202 static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1204 FDCharDriver *s = chr->opaque;
1205 return unix_write(s->fd_out, buf, len);
1208 static int fd_chr_read_poll(void *opaque)
1210 CharDriverState *chr = opaque;
1211 FDCharDriver *s = chr->opaque;
1213 s->max_size = s->fd_can_read(s->fd_opaque);
1217 static void fd_chr_read(void *opaque)
1219 CharDriverState *chr = opaque;
1220 FDCharDriver *s = chr->opaque;
1225 if (len > s->max_size)
1229 size = read(s->fd_in, buf, len);
1231 s->fd_read(s->fd_opaque, buf, size);
1235 static void fd_chr_add_read_handler(CharDriverState *chr,
1236 IOCanRWHandler *fd_can_read,
1237 IOReadHandler *fd_read, void *opaque)
1239 FDCharDriver *s = chr->opaque;
1241 if (s->fd_in >= 0) {
1242 s->fd_can_read = fd_can_read;
1243 s->fd_read = fd_read;
1244 s->fd_opaque = opaque;
1245 if (nographic && s->fd_in == 0) {
1247 qemu_set_fd_handler2(s->fd_in, fd_chr_read_poll,
1248 fd_chr_read, NULL, chr);
1253 /* open a character device to a unix fd */
1254 CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out)
1256 CharDriverState *chr;
1259 chr = qemu_mallocz(sizeof(CharDriverState));
1262 s = qemu_mallocz(sizeof(FDCharDriver));
1270 chr->chr_write = fd_chr_write;
1271 chr->chr_add_read_handler = fd_chr_add_read_handler;
1275 CharDriverState *qemu_chr_open_file_out(const char *file_out)
1279 fd_out = open(file_out, O_WRONLY | O_TRUNC | O_CREAT | O_BINARY, 0666);
1282 return qemu_chr_open_fd(-1, fd_out);
1285 CharDriverState *qemu_chr_open_pipe(const char *filename)
1289 fd = open(filename, O_RDWR | O_BINARY);
1292 return qemu_chr_open_fd(fd, fd);
1296 /* for STDIO, we handle the case where several clients use it
1299 #define TERM_ESCAPE 0x01 /* ctrl-a is used for escape */
1301 #define TERM_FIFO_MAX_SIZE 1
1303 static int term_got_escape, client_index;
1304 static uint8_t term_fifo[TERM_FIFO_MAX_SIZE];
1305 static int term_fifo_size;
1306 static int term_timestamps;
1307 static int64_t term_timestamps_start;
1309 void term_print_help(void)
1312 "C-a h print this help\n"
1313 "C-a x exit emulator\n"
1314 "C-a s save disk data back to file (if -snapshot)\n"
1315 "C-a b send break (magic sysrq)\n"
1316 "C-a t toggle console timestamps\n"
1317 "C-a c switch between console and monitor\n"
1318 "C-a C-a send C-a\n"
1322 /* called when a char is received */
1323 static void stdio_received_byte(int ch)
1325 if (term_got_escape) {
1326 term_got_escape = 0;
1337 for (i = 0; i < MAX_DISKS; i++) {
1339 bdrv_commit(bs_table[i]);
1344 if (client_index < stdio_nb_clients) {
1345 CharDriverState *chr;
1348 chr = stdio_clients[client_index];
1350 chr->chr_event(s->fd_opaque, CHR_EVENT_BREAK);
1355 if (client_index >= stdio_nb_clients)
1357 if (client_index == 0) {
1358 /* send a new line in the monitor to get the prompt */
1364 term_timestamps = !term_timestamps;
1365 term_timestamps_start = -1;
1370 } else if (ch == TERM_ESCAPE) {
1371 term_got_escape = 1;
1374 if (client_index < stdio_nb_clients) {
1376 CharDriverState *chr;
1379 chr = stdio_clients[client_index];
1381 if (s->fd_can_read(s->fd_opaque) > 0) {
1383 s->fd_read(s->fd_opaque, buf, 1);
1384 } else if (term_fifo_size == 0) {
1385 term_fifo[term_fifo_size++] = ch;
1391 static int stdio_read_poll(void *opaque)
1393 CharDriverState *chr;
1396 if (client_index < stdio_nb_clients) {
1397 chr = stdio_clients[client_index];
1399 /* try to flush the queue if needed */
1400 if (term_fifo_size != 0 && s->fd_can_read(s->fd_opaque) > 0) {
1401 s->fd_read(s->fd_opaque, term_fifo, 1);
1404 /* see if we can absorb more chars */
1405 if (term_fifo_size == 0)
1414 static void stdio_read(void *opaque)
1419 size = read(0, buf, 1);
1421 /* stdin has been closed. Remove it from the active list. */
1422 qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL);
1426 stdio_received_byte(buf[0]);
1429 static int stdio_write(CharDriverState *chr, const uint8_t *buf, int len)
1431 FDCharDriver *s = chr->opaque;
1432 if (!term_timestamps) {
1433 return unix_write(s->fd_out, buf, len);
1438 for(i = 0; i < len; i++) {
1439 unix_write(s->fd_out, buf + i, 1);
1440 if (buf[i] == '\n') {
1445 if (term_timestamps_start == -1)
1446 term_timestamps_start = ti;
1447 ti -= term_timestamps_start;
1448 secs = ti / 1000000000;
1449 snprintf(buf1, sizeof(buf1),
1450 "[%02d:%02d:%02d.%03d] ",
1454 (int)((ti / 1000000) % 1000));
1455 unix_write(s->fd_out, buf1, strlen(buf1));
1462 /* init terminal so that we can grab keys */
1463 static struct termios oldtty;
1464 static int old_fd0_flags;
1466 static void term_exit(void)
1468 tcsetattr (0, TCSANOW, &oldtty);
1469 fcntl(0, F_SETFL, old_fd0_flags);
1472 static void term_init(void)
1476 tcgetattr (0, &tty);
1478 old_fd0_flags = fcntl(0, F_GETFL);
1480 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
1481 |INLCR|IGNCR|ICRNL|IXON);
1482 tty.c_oflag |= OPOST;
1483 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
1484 /* if graphical mode, we allow Ctrl-C handling */
1486 tty.c_lflag &= ~ISIG;
1487 tty.c_cflag &= ~(CSIZE|PARENB);
1490 tty.c_cc[VTIME] = 0;
1492 tcsetattr (0, TCSANOW, &tty);
1496 fcntl(0, F_SETFL, O_NONBLOCK);
1499 CharDriverState *qemu_chr_open_stdio(void)
1501 CharDriverState *chr;
1504 if (stdio_nb_clients >= STDIO_MAX_CLIENTS)
1506 chr = qemu_chr_open_fd(0, 1);
1507 chr->chr_write = stdio_write;
1508 if (stdio_nb_clients == 0)
1509 qemu_set_fd_handler2(0, stdio_read_poll, stdio_read, NULL, NULL);
1510 client_index = stdio_nb_clients;
1512 if (stdio_nb_clients != 0)
1514 chr = qemu_chr_open_fd(0, 1);
1516 stdio_clients[stdio_nb_clients++] = chr;
1517 if (stdio_nb_clients == 1) {
1518 /* set the terminal in raw mode */
1524 #if defined(__linux__)
1525 CharDriverState *qemu_chr_open_pty(void)
1528 char slave_name[1024];
1529 int master_fd, slave_fd;
1531 /* Not satisfying */
1532 if (openpty(&master_fd, &slave_fd, slave_name, NULL, NULL) < 0) {
1536 /* Disabling local echo and line-buffered output */
1537 tcgetattr (master_fd, &tty);
1538 tty.c_lflag &= ~(ECHO|ICANON|ISIG);
1540 tty.c_cc[VTIME] = 0;
1541 tcsetattr (master_fd, TCSAFLUSH, &tty);
1543 fprintf(stderr, "char device redirected to %s\n", slave_name);
1544 return qemu_chr_open_fd(master_fd, master_fd);
1547 static void tty_serial_init(int fd, int speed,
1548 int parity, int data_bits, int stop_bits)
1554 printf("tty_serial_init: speed=%d parity=%c data=%d stop=%d\n",
1555 speed, parity, data_bits, stop_bits);
1557 tcgetattr (fd, &tty);
1599 cfsetispeed(&tty, spd);
1600 cfsetospeed(&tty, spd);
1602 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
1603 |INLCR|IGNCR|ICRNL|IXON);
1604 tty.c_oflag |= OPOST;
1605 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN|ISIG);
1606 tty.c_cflag &= ~(CSIZE|PARENB|PARODD|CRTSCTS|CSTOPB);
1627 tty.c_cflag |= PARENB;
1630 tty.c_cflag |= PARENB | PARODD;
1634 tty.c_cflag |= CSTOPB;
1636 tcsetattr (fd, TCSANOW, &tty);
1639 static int tty_serial_ioctl(CharDriverState *chr, int cmd, void *arg)
1641 FDCharDriver *s = chr->opaque;
1644 case CHR_IOCTL_SERIAL_SET_PARAMS:
1646 QEMUSerialSetParams *ssp = arg;
1647 tty_serial_init(s->fd_in, ssp->speed, ssp->parity,
1648 ssp->data_bits, ssp->stop_bits);
1651 case CHR_IOCTL_SERIAL_SET_BREAK:
1653 int enable = *(int *)arg;
1655 tcsendbreak(s->fd_in, 1);
1664 CharDriverState *qemu_chr_open_tty(const char *filename)
1666 CharDriverState *chr;
1669 fd = open(filename, O_RDWR | O_NONBLOCK);
1672 fcntl(fd, F_SETFL, O_NONBLOCK);
1673 tty_serial_init(fd, 115200, 'N', 8, 1);
1674 chr = qemu_chr_open_fd(fd, fd);
1677 chr->chr_ioctl = tty_serial_ioctl;
1681 static int pp_ioctl(CharDriverState *chr, int cmd, void *arg)
1683 int fd = (int)chr->opaque;
1687 case CHR_IOCTL_PP_READ_DATA:
1688 if (ioctl(fd, PPRDATA, &b) < 0)
1690 *(uint8_t *)arg = b;
1692 case CHR_IOCTL_PP_WRITE_DATA:
1693 b = *(uint8_t *)arg;
1694 if (ioctl(fd, PPWDATA, &b) < 0)
1697 case CHR_IOCTL_PP_READ_CONTROL:
1698 if (ioctl(fd, PPRCONTROL, &b) < 0)
1700 *(uint8_t *)arg = b;
1702 case CHR_IOCTL_PP_WRITE_CONTROL:
1703 b = *(uint8_t *)arg;
1704 if (ioctl(fd, PPWCONTROL, &b) < 0)
1707 case CHR_IOCTL_PP_READ_STATUS:
1708 if (ioctl(fd, PPRSTATUS, &b) < 0)
1710 *(uint8_t *)arg = b;
1718 CharDriverState *qemu_chr_open_pp(const char *filename)
1720 CharDriverState *chr;
1723 fd = open(filename, O_RDWR);
1727 if (ioctl(fd, PPCLAIM) < 0) {
1732 chr = qemu_mallocz(sizeof(CharDriverState));
1737 chr->opaque = (void *)fd;
1738 chr->chr_write = null_chr_write;
1739 chr->chr_add_read_handler = null_chr_add_read_handler;
1740 chr->chr_ioctl = pp_ioctl;
1745 CharDriverState *qemu_chr_open_pty(void)
1751 #endif /* !defined(_WIN32) */
1755 IOCanRWHandler *fd_can_read;
1756 IOReadHandler *fd_read;
1759 HANDLE hcom, hrecv, hsend;
1760 OVERLAPPED orecv, osend;
1765 #define NSENDBUF 2048
1766 #define NRECVBUF 2048
1767 #define MAXCONNECT 1
1768 #define NTIMEOUT 5000
1770 static int win_chr_poll(void *opaque);
1771 static int win_chr_pipe_poll(void *opaque);
1773 static void win_chr_close2(WinCharState *s)
1776 CloseHandle(s->hsend);
1780 CloseHandle(s->hrecv);
1784 CloseHandle(s->hcom);
1788 qemu_del_polling_cb(win_chr_pipe_poll, s);
1790 qemu_del_polling_cb(win_chr_poll, s);
1793 static void win_chr_close(CharDriverState *chr)
1795 WinCharState *s = chr->opaque;
1799 static int win_chr_init(WinCharState *s, const char *filename)
1802 COMMTIMEOUTS cto = { 0, 0, 0, 0, 0};
1807 s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL);
1809 fprintf(stderr, "Failed CreateEvent\n");
1812 s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL);
1814 fprintf(stderr, "Failed CreateEvent\n");
1818 s->hcom = CreateFile(filename, GENERIC_READ|GENERIC_WRITE, 0, NULL,
1819 OPEN_EXISTING, FILE_FLAG_OVERLAPPED, 0);
1820 if (s->hcom == INVALID_HANDLE_VALUE) {
1821 fprintf(stderr, "Failed CreateFile (%lu)\n", GetLastError());
1826 if (!SetupComm(s->hcom, NRECVBUF, NSENDBUF)) {
1827 fprintf(stderr, "Failed SetupComm\n");
1831 ZeroMemory(&comcfg, sizeof(COMMCONFIG));
1832 size = sizeof(COMMCONFIG);
1833 GetDefaultCommConfig(filename, &comcfg, &size);
1834 comcfg.dcb.DCBlength = sizeof(DCB);
1835 CommConfigDialog(filename, NULL, &comcfg);
1837 if (!SetCommState(s->hcom, &comcfg.dcb)) {
1838 fprintf(stderr, "Failed SetCommState\n");
1842 if (!SetCommMask(s->hcom, EV_ERR)) {
1843 fprintf(stderr, "Failed SetCommMask\n");
1847 cto.ReadIntervalTimeout = MAXDWORD;
1848 if (!SetCommTimeouts(s->hcom, &cto)) {
1849 fprintf(stderr, "Failed SetCommTimeouts\n");
1853 if (!ClearCommError(s->hcom, &err, &comstat)) {
1854 fprintf(stderr, "Failed ClearCommError\n");
1857 qemu_add_polling_cb(win_chr_poll, s);
1865 static int win_chr_write(CharDriverState *chr, const uint8_t *buf, int len1)
1867 WinCharState *s = chr->opaque;
1868 DWORD len, ret, size, err;
1871 ZeroMemory(&s->osend, sizeof(s->osend));
1872 s->osend.hEvent = s->hsend;
1875 ret = WriteFile(s->hcom, buf, len, &size, &s->osend);
1877 ret = WriteFile(s->hcom, buf, len, &size, NULL);
1879 err = GetLastError();
1880 if (err == ERROR_IO_PENDING) {
1881 ret = GetOverlappedResult(s->hcom, &s->osend, &size, TRUE);
1899 static int win_chr_read_poll(WinCharState *s)
1901 s->max_size = s->fd_can_read(s->win_opaque);
1905 static void win_chr_readfile(WinCharState *s)
1911 ZeroMemory(&s->orecv, sizeof(s->orecv));
1912 s->orecv.hEvent = s->hrecv;
1913 ret = ReadFile(s->hcom, buf, s->len, &size, &s->orecv);
1915 err = GetLastError();
1916 if (err == ERROR_IO_PENDING) {
1917 ret = GetOverlappedResult(s->hcom, &s->orecv, &size, TRUE);
1922 s->fd_read(s->win_opaque, buf, size);
1926 static void win_chr_read(WinCharState *s)
1928 if (s->len > s->max_size)
1929 s->len = s->max_size;
1933 win_chr_readfile(s);
1936 static int win_chr_poll(void *opaque)
1938 WinCharState *s = opaque;
1942 ClearCommError(s->hcom, &comerr, &status);
1943 if (status.cbInQue > 0) {
1944 s->len = status.cbInQue;
1945 win_chr_read_poll(s);
1952 static void win_chr_add_read_handler(CharDriverState *chr,
1953 IOCanRWHandler *fd_can_read,
1954 IOReadHandler *fd_read, void *opaque)
1956 WinCharState *s = chr->opaque;
1958 s->fd_can_read = fd_can_read;
1959 s->fd_read = fd_read;
1960 s->win_opaque = opaque;
1963 CharDriverState *qemu_chr_open_win(const char *filename)
1965 CharDriverState *chr;
1968 chr = qemu_mallocz(sizeof(CharDriverState));
1971 s = qemu_mallocz(sizeof(WinCharState));
1977 chr->chr_write = win_chr_write;
1978 chr->chr_add_read_handler = win_chr_add_read_handler;
1979 chr->chr_close = win_chr_close;
1981 if (win_chr_init(s, filename) < 0) {
1989 static int win_chr_pipe_poll(void *opaque)
1991 WinCharState *s = opaque;
1994 PeekNamedPipe(s->hcom, NULL, 0, NULL, &size, NULL);
1997 win_chr_read_poll(s);
2004 static int win_chr_pipe_init(WinCharState *s, const char *filename)
2013 s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL);
2015 fprintf(stderr, "Failed CreateEvent\n");
2018 s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL);
2020 fprintf(stderr, "Failed CreateEvent\n");
2024 snprintf(openname, sizeof(openname), "\\\\.\\pipe\\%s", filename);
2025 s->hcom = CreateNamedPipe(openname, PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED,
2026 PIPE_TYPE_BYTE | PIPE_READMODE_BYTE |
2028 MAXCONNECT, NSENDBUF, NRECVBUF, NTIMEOUT, NULL);
2029 if (s->hcom == INVALID_HANDLE_VALUE) {
2030 fprintf(stderr, "Failed CreateNamedPipe (%lu)\n", GetLastError());
2035 ZeroMemory(&ov, sizeof(ov));
2036 ov.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
2037 ret = ConnectNamedPipe(s->hcom, &ov);
2039 fprintf(stderr, "Failed ConnectNamedPipe\n");
2043 ret = GetOverlappedResult(s->hcom, &ov, &size, TRUE);
2045 fprintf(stderr, "Failed GetOverlappedResult\n");
2047 CloseHandle(ov.hEvent);
2054 CloseHandle(ov.hEvent);
2057 qemu_add_polling_cb(win_chr_pipe_poll, s);
2066 CharDriverState *qemu_chr_open_win_pipe(const char *filename)
2068 CharDriverState *chr;
2071 chr = qemu_mallocz(sizeof(CharDriverState));
2074 s = qemu_mallocz(sizeof(WinCharState));
2080 chr->chr_write = win_chr_write;
2081 chr->chr_add_read_handler = win_chr_add_read_handler;
2082 chr->chr_close = win_chr_close;
2084 if (win_chr_pipe_init(s, filename) < 0) {
2092 CharDriverState *qemu_chr_open_win_file(HANDLE fd_out)
2094 CharDriverState *chr;
2097 chr = qemu_mallocz(sizeof(CharDriverState));
2100 s = qemu_mallocz(sizeof(WinCharState));
2107 chr->chr_write = win_chr_write;
2108 chr->chr_add_read_handler = win_chr_add_read_handler;
2112 CharDriverState *qemu_chr_open_win_file_out(const char *file_out)
2116 fd_out = CreateFile(file_out, GENERIC_WRITE, FILE_SHARE_READ, NULL,
2117 OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
2118 if (fd_out == INVALID_HANDLE_VALUE)
2121 return qemu_chr_open_win_file(fd_out);
2125 /***********************************************************/
2126 /* UDP Net console */
2129 IOCanRWHandler *fd_can_read;
2130 IOReadHandler *fd_read;
2133 struct sockaddr_in daddr;
2140 static int udp_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
2142 NetCharDriver *s = chr->opaque;
2144 return sendto(s->fd, buf, len, 0,
2145 (struct sockaddr *)&s->daddr, sizeof(struct sockaddr_in));
2148 static int udp_chr_read_poll(void *opaque)
2150 CharDriverState *chr = opaque;
2151 NetCharDriver *s = chr->opaque;
2153 s->max_size = s->fd_can_read(s->fd_opaque);
2155 /* If there were any stray characters in the queue process them
2158 while (s->max_size > 0 && s->bufptr < s->bufcnt) {
2159 s->fd_read(s->fd_opaque, &s->buf[s->bufptr], 1);
2161 s->max_size = s->fd_can_read(s->fd_opaque);
2166 static void udp_chr_read(void *opaque)
2168 CharDriverState *chr = opaque;
2169 NetCharDriver *s = chr->opaque;
2171 if (s->max_size == 0)
2173 s->bufcnt = recv(s->fd, s->buf, sizeof(s->buf), 0);
2174 s->bufptr = s->bufcnt;
2179 while (s->max_size > 0 && s->bufptr < s->bufcnt) {
2180 s->fd_read(s->fd_opaque, &s->buf[s->bufptr], 1);
2182 s->max_size = s->fd_can_read(s->fd_opaque);
2186 static void udp_chr_add_read_handler(CharDriverState *chr,
2187 IOCanRWHandler *fd_can_read,
2188 IOReadHandler *fd_read, void *opaque)
2190 NetCharDriver *s = chr->opaque;
2193 s->fd_can_read = fd_can_read;
2194 s->fd_read = fd_read;
2195 s->fd_opaque = opaque;
2196 qemu_set_fd_handler2(s->fd, udp_chr_read_poll,
2197 udp_chr_read, NULL, chr);
2201 int parse_host_port(struct sockaddr_in *saddr, const char *str);
2202 int parse_host_src_port(struct sockaddr_in *haddr,
2203 struct sockaddr_in *saddr,
2206 CharDriverState *qemu_chr_open_udp(const char *def)
2208 CharDriverState *chr = NULL;
2209 NetCharDriver *s = NULL;
2211 struct sockaddr_in saddr;
2213 chr = qemu_mallocz(sizeof(CharDriverState));
2216 s = qemu_mallocz(sizeof(NetCharDriver));
2220 fd = socket(PF_INET, SOCK_DGRAM, 0);
2222 perror("socket(PF_INET, SOCK_DGRAM)");
2226 if (parse_host_src_port(&s->daddr, &saddr, def) < 0) {
2227 printf("Could not parse: %s\n", def);
2231 if (bind(fd, (struct sockaddr *)&saddr, sizeof(saddr)) < 0)
2241 chr->chr_write = udp_chr_write;
2242 chr->chr_add_read_handler = udp_chr_add_read_handler;
2255 /***********************************************************/
2256 /* TCP Net console */
2259 IOCanRWHandler *fd_can_read;
2260 IOReadHandler *fd_read;
2268 static void tcp_chr_accept(void *opaque);
2270 static int tcp_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
2272 TCPCharDriver *s = chr->opaque;
2274 return send_all(s->fd, buf, len);
2276 /* XXX: indicate an error ? */
2281 static int tcp_chr_read_poll(void *opaque)
2283 CharDriverState *chr = opaque;
2284 TCPCharDriver *s = chr->opaque;
2287 s->max_size = s->fd_can_read(s->fd_opaque);
2292 #define IAC_BREAK 243
2293 static void tcp_chr_process_IAC_bytes(CharDriverState *chr,
2295 char *buf, int *size)
2297 /* Handle any telnet client's basic IAC options to satisfy char by
2298 * char mode with no echo. All IAC options will be removed from
2299 * the buf and the do_telnetopt variable will be used to track the
2300 * state of the width of the IAC information.
2302 * IAC commands come in sets of 3 bytes with the exception of the
2303 * "IAC BREAK" command and the double IAC.
2309 for (i = 0; i < *size; i++) {
2310 if (s->do_telnetopt > 1) {
2311 if ((unsigned char)buf[i] == IAC && s->do_telnetopt == 2) {
2312 /* Double IAC means send an IAC */
2316 s->do_telnetopt = 1;
2318 if ((unsigned char)buf[i] == IAC_BREAK && s->do_telnetopt == 2) {
2319 /* Handle IAC break commands by sending a serial break */
2320 chr->chr_event(s->fd_opaque, CHR_EVENT_BREAK);
2325 if (s->do_telnetopt >= 4) {
2326 s->do_telnetopt = 1;
2329 if ((unsigned char)buf[i] == IAC) {
2330 s->do_telnetopt = 2;
2341 static void tcp_chr_read(void *opaque)
2343 CharDriverState *chr = opaque;
2344 TCPCharDriver *s = chr->opaque;
2348 if (!s->connected || s->max_size <= 0)
2351 if (len > s->max_size)
2353 size = recv(s->fd, buf, len, 0);
2355 /* connection closed */
2357 if (s->listen_fd >= 0) {
2358 qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr);
2360 qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
2363 } else if (size > 0) {
2364 if (s->do_telnetopt)
2365 tcp_chr_process_IAC_bytes(chr, s, buf, &size);
2367 s->fd_read(s->fd_opaque, buf, size);
2371 static void tcp_chr_add_read_handler(CharDriverState *chr,
2372 IOCanRWHandler *fd_can_read,
2373 IOReadHandler *fd_read, void *opaque)
2375 TCPCharDriver *s = chr->opaque;
2377 s->fd_can_read = fd_can_read;
2378 s->fd_read = fd_read;
2379 s->fd_opaque = opaque;
2382 static void tcp_chr_connect(void *opaque)
2384 CharDriverState *chr = opaque;
2385 TCPCharDriver *s = chr->opaque;
2388 qemu_set_fd_handler2(s->fd, tcp_chr_read_poll,
2389 tcp_chr_read, NULL, chr);
2392 #define IACSET(x,a,b,c) x[0] = a; x[1] = b; x[2] = c;
2393 static void tcp_chr_telnet_init(int fd)
2396 /* Send the telnet negotion to put telnet in binary, no echo, single char mode */
2397 IACSET(buf, 0xff, 0xfb, 0x01); /* IAC WILL ECHO */
2398 send(fd, (char *)buf, 3, 0);
2399 IACSET(buf, 0xff, 0xfb, 0x03); /* IAC WILL Suppress go ahead */
2400 send(fd, (char *)buf, 3, 0);
2401 IACSET(buf, 0xff, 0xfb, 0x00); /* IAC WILL Binary */
2402 send(fd, (char *)buf, 3, 0);
2403 IACSET(buf, 0xff, 0xfd, 0x00); /* IAC DO Binary */
2404 send(fd, (char *)buf, 3, 0);
2407 static void tcp_chr_accept(void *opaque)
2409 CharDriverState *chr = opaque;
2410 TCPCharDriver *s = chr->opaque;
2411 struct sockaddr_in saddr;
2416 len = sizeof(saddr);
2417 fd = accept(s->listen_fd, (struct sockaddr *)&saddr, &len);
2418 if (fd < 0 && errno != EINTR) {
2420 } else if (fd >= 0) {
2421 if (s->do_telnetopt)
2422 tcp_chr_telnet_init(fd);
2426 socket_set_nonblock(fd);
2428 qemu_set_fd_handler(s->listen_fd, NULL, NULL, NULL);
2429 tcp_chr_connect(chr);
2432 static void tcp_chr_close(CharDriverState *chr)
2434 TCPCharDriver *s = chr->opaque;
2437 if (s->listen_fd >= 0)
2438 closesocket(s->listen_fd);
2442 static CharDriverState *qemu_chr_open_tcp(const char *host_str,
2445 CharDriverState *chr = NULL;
2446 TCPCharDriver *s = NULL;
2447 int fd = -1, ret, err, val;
2449 int is_waitconnect = 1;
2451 struct sockaddr_in saddr;
2453 if (parse_host_port(&saddr, host_str) < 0)
2457 while((ptr = strchr(ptr,','))) {
2459 if (!strncmp(ptr,"server",6)) {
2461 } else if (!strncmp(ptr,"nowait",6)) {
2464 printf("Unknown option: %s\n", ptr);
2471 chr = qemu_mallocz(sizeof(CharDriverState));
2474 s = qemu_mallocz(sizeof(TCPCharDriver));
2478 fd = socket(PF_INET, SOCK_STREAM, 0);
2482 if (!is_waitconnect)
2483 socket_set_nonblock(fd);
2489 /* allow fast reuse */
2491 setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&val, sizeof(val));
2493 ret = bind(fd, (struct sockaddr *)&saddr, sizeof(saddr));
2496 ret = listen(fd, 0);
2500 qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr);
2502 s->do_telnetopt = 1;
2505 ret = connect(fd, (struct sockaddr *)&saddr, sizeof(saddr));
2507 err = socket_error();
2508 if (err == EINTR || err == EWOULDBLOCK) {
2509 } else if (err == EINPROGRESS) {
2521 tcp_chr_connect(chr);
2523 qemu_set_fd_handler(s->fd, NULL, tcp_chr_connect, chr);
2527 chr->chr_write = tcp_chr_write;
2528 chr->chr_add_read_handler = tcp_chr_add_read_handler;
2529 chr->chr_close = tcp_chr_close;
2530 if (is_listen && is_waitconnect) {
2531 printf("QEMU waiting for connection on: %s\n", host_str);
2532 tcp_chr_accept(chr);
2533 socket_set_nonblock(s->listen_fd);
2545 CharDriverState *qemu_chr_open(const char *filename)
2549 if (!strcmp(filename, "vc")) {
2550 return text_console_init(&display_state);
2551 } else if (!strcmp(filename, "null")) {
2552 return qemu_chr_open_null();
2554 if (strstart(filename, "tcp:", &p)) {
2555 return qemu_chr_open_tcp(p, 0);
2557 if (strstart(filename, "telnet:", &p)) {
2558 return qemu_chr_open_tcp(p, 1);
2560 if (strstart(filename, "udp:", &p)) {
2561 return qemu_chr_open_udp(p);
2564 if (strstart(filename, "file:", &p)) {
2565 return qemu_chr_open_file_out(p);
2566 } else if (strstart(filename, "pipe:", &p)) {
2567 return qemu_chr_open_pipe(p);
2568 } else if (!strcmp(filename, "pty")) {
2569 return qemu_chr_open_pty();
2570 } else if (!strcmp(filename, "stdio")) {
2571 return qemu_chr_open_stdio();
2574 #if defined(__linux__)
2575 if (strstart(filename, "/dev/parport", NULL)) {
2576 return qemu_chr_open_pp(filename);
2578 if (strstart(filename, "/dev/", NULL)) {
2579 return qemu_chr_open_tty(filename);
2583 if (strstart(filename, "COM", NULL)) {
2584 return qemu_chr_open_win(filename);
2586 if (strstart(filename, "pipe:", &p)) {
2587 return qemu_chr_open_win_pipe(p);
2589 if (strstart(filename, "file:", &p)) {
2590 return qemu_chr_open_win_file_out(p);
2598 void qemu_chr_close(CharDriverState *chr)
2601 chr->chr_close(chr);
2604 /***********************************************************/
2605 /* network device redirectors */
2607 void hex_dump(FILE *f, const uint8_t *buf, int size)
2611 for(i=0;i<size;i+=16) {
2615 fprintf(f, "%08x ", i);
2618 fprintf(f, " %02x", buf[i+j]);
2623 for(j=0;j<len;j++) {
2625 if (c < ' ' || c > '~')
2627 fprintf(f, "%c", c);
2633 static int parse_macaddr(uint8_t *macaddr, const char *p)
2636 for(i = 0; i < 6; i++) {
2637 macaddr[i] = strtol(p, (char **)&p, 16);
2650 static int get_str_sep(char *buf, int buf_size, const char **pp, int sep)
2655 p1 = strchr(p, sep);
2661 if (len > buf_size - 1)
2663 memcpy(buf, p, len);
2670 int parse_host_src_port(struct sockaddr_in *haddr,
2671 struct sockaddr_in *saddr,
2672 const char *input_str)
2674 char *str = strdup(input_str);
2675 char *host_str = str;
2680 * Chop off any extra arguments at the end of the string which
2681 * would start with a comma, then fill in the src port information
2682 * if it was provided else use the "any address" and "any port".
2684 if ((ptr = strchr(str,',')))
2687 if ((src_str = strchr(input_str,'@'))) {
2692 if (parse_host_port(haddr, host_str) < 0)
2695 if (!src_str || *src_str == '\0')
2698 if (parse_host_port(saddr, src_str) < 0)
2709 int parse_host_port(struct sockaddr_in *saddr, const char *str)
2717 if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
2719 saddr->sin_family = AF_INET;
2720 if (buf[0] == '\0') {
2721 saddr->sin_addr.s_addr = 0;
2723 if (isdigit(buf[0])) {
2724 if (!inet_aton(buf, &saddr->sin_addr))
2727 if ((he = gethostbyname(buf)) == NULL)
2729 saddr->sin_addr = *(struct in_addr *)he->h_addr;
2732 port = strtol(p, (char **)&r, 0);
2735 saddr->sin_port = htons(port);
2739 /* find or alloc a new VLAN */
2740 VLANState *qemu_find_vlan(int id)
2742 VLANState **pvlan, *vlan;
2743 for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) {
2747 vlan = qemu_mallocz(sizeof(VLANState));
2752 pvlan = &first_vlan;
2753 while (*pvlan != NULL)
2754 pvlan = &(*pvlan)->next;
2759 VLANClientState *qemu_new_vlan_client(VLANState *vlan,
2760 IOReadHandler *fd_read,
2761 IOCanRWHandler *fd_can_read,
2764 VLANClientState *vc, **pvc;
2765 vc = qemu_mallocz(sizeof(VLANClientState));
2768 vc->fd_read = fd_read;
2769 vc->fd_can_read = fd_can_read;
2770 vc->opaque = opaque;
2774 pvc = &vlan->first_client;
2775 while (*pvc != NULL)
2776 pvc = &(*pvc)->next;
2781 int qemu_can_send_packet(VLANClientState *vc1)
2783 VLANState *vlan = vc1->vlan;
2784 VLANClientState *vc;
2786 for(vc = vlan->first_client; vc != NULL; vc = vc->next) {
2788 if (vc->fd_can_read && !vc->fd_can_read(vc->opaque))
2795 void qemu_send_packet(VLANClientState *vc1, const uint8_t *buf, int size)
2797 VLANState *vlan = vc1->vlan;
2798 VLANClientState *vc;
2801 printf("vlan %d send:\n", vlan->id);
2802 hex_dump(stdout, buf, size);
2804 for(vc = vlan->first_client; vc != NULL; vc = vc->next) {
2806 vc->fd_read(vc->opaque, buf, size);
2811 #if defined(CONFIG_SLIRP)
2813 /* slirp network adapter */
2815 static int slirp_inited;
2816 static VLANClientState *slirp_vc;
2818 int slirp_can_output(void)
2820 return !slirp_vc || qemu_can_send_packet(slirp_vc);
2823 void slirp_output(const uint8_t *pkt, int pkt_len)
2826 printf("slirp output:\n");
2827 hex_dump(stdout, pkt, pkt_len);
2831 qemu_send_packet(slirp_vc, pkt, pkt_len);
2834 static void slirp_receive(void *opaque, const uint8_t *buf, int size)
2837 printf("slirp input:\n");
2838 hex_dump(stdout, buf, size);
2840 slirp_input(buf, size);
2843 static int net_slirp_init(VLANState *vlan)
2845 if (!slirp_inited) {
2849 slirp_vc = qemu_new_vlan_client(vlan,
2850 slirp_receive, NULL, NULL);
2851 snprintf(slirp_vc->info_str, sizeof(slirp_vc->info_str), "user redirector");
2855 static void net_slirp_redir(const char *redir_str)
2860 struct in_addr guest_addr;
2861 int host_port, guest_port;
2863 if (!slirp_inited) {
2869 if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
2871 if (!strcmp(buf, "tcp")) {
2873 } else if (!strcmp(buf, "udp")) {
2879 if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
2881 host_port = strtol(buf, &r, 0);
2885 if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
2887 if (buf[0] == '\0') {
2888 pstrcpy(buf, sizeof(buf), "10.0.2.15");
2890 if (!inet_aton(buf, &guest_addr))
2893 guest_port = strtol(p, &r, 0);
2897 if (slirp_redir(is_udp, host_port, guest_addr, guest_port) < 0) {
2898 fprintf(stderr, "qemu: could not set up redirection\n");
2903 fprintf(stderr, "qemu: syntax: -redir [tcp|udp]:host-port:[guest-host]:guest-port\n");
2911 static void smb_exit(void)
2915 char filename[1024];
2917 /* erase all the files in the directory */
2918 d = opendir(smb_dir);
2923 if (strcmp(de->d_name, ".") != 0 &&
2924 strcmp(de->d_name, "..") != 0) {
2925 snprintf(filename, sizeof(filename), "%s/%s",
2926 smb_dir, de->d_name);
2934 /* automatic user mode samba server configuration */
2935 void net_slirp_smb(const char *exported_dir)
2937 char smb_conf[1024];
2938 char smb_cmdline[1024];
2941 if (!slirp_inited) {
2946 /* XXX: better tmp dir construction */
2947 snprintf(smb_dir, sizeof(smb_dir), "/tmp/qemu-smb.%d", getpid());
2948 if (mkdir(smb_dir, 0700) < 0) {
2949 fprintf(stderr, "qemu: could not create samba server dir '%s'\n", smb_dir);
2952 snprintf(smb_conf, sizeof(smb_conf), "%s/%s", smb_dir, "smb.conf");
2954 f = fopen(smb_conf, "w");
2956 fprintf(stderr, "qemu: could not create samba server configuration file '%s'\n", smb_conf);
2963 "socket address=127.0.0.1\n"
2964 "pid directory=%s\n"
2965 "lock directory=%s\n"
2966 "log file=%s/log.smbd\n"
2967 "smb passwd file=%s/smbpasswd\n"
2968 "security = share\n"
2983 snprintf(smb_cmdline, sizeof(smb_cmdline), "/usr/sbin/smbd -s %s",
2986 slirp_add_exec(0, smb_cmdline, 4, 139);
2989 #endif /* !defined(_WIN32) */
2991 #endif /* CONFIG_SLIRP */
2993 #if !defined(_WIN32)
2995 typedef struct TAPState {
2996 VLANClientState *vc;
3000 static void tap_receive(void *opaque, const uint8_t *buf, int size)
3002 TAPState *s = opaque;
3005 ret = write(s->fd, buf, size);
3006 if (ret < 0 && (errno == EINTR || errno == EAGAIN)) {
3013 static void tap_send(void *opaque)
3015 TAPState *s = opaque;
3019 size = read(s->fd, buf, sizeof(buf));
3021 qemu_send_packet(s->vc, buf, size);
3027 static TAPState *net_tap_fd_init(VLANState *vlan, int fd)
3031 s = qemu_mallocz(sizeof(TAPState));
3035 s->vc = qemu_new_vlan_client(vlan, tap_receive, NULL, s);
3036 qemu_set_fd_handler(s->fd, tap_send, NULL, s);
3037 snprintf(s->vc->info_str, sizeof(s->vc->info_str), "tap: fd=%d", fd);
3042 static int tap_open(char *ifname, int ifname_size)
3048 fd = open("/dev/tap", O_RDWR);
3050 fprintf(stderr, "warning: could not open /dev/tap: no virtual network emulation\n");
3055 dev = devname(s.st_rdev, S_IFCHR);
3056 pstrcpy(ifname, ifname_size, dev);
3058 fcntl(fd, F_SETFL, O_NONBLOCK);
3061 #elif defined(__sun__)
3062 static int tap_open(char *ifname, int ifname_size)
3064 fprintf(stderr, "warning: tap_open not yet implemented\n");
3068 static int tap_open(char *ifname, int ifname_size)
3073 fd = open("/dev/net/tun", O_RDWR);
3075 fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n");
3078 memset(&ifr, 0, sizeof(ifr));
3079 ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
3080 if (ifname[0] != '\0')
3081 pstrcpy(ifr.ifr_name, IFNAMSIZ, ifname);
3083 pstrcpy(ifr.ifr_name, IFNAMSIZ, "tap%d");
3084 ret = ioctl(fd, TUNSETIFF, (void *) &ifr);
3086 fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n");
3090 pstrcpy(ifname, ifname_size, ifr.ifr_name);
3091 fcntl(fd, F_SETFL, O_NONBLOCK);
3096 static int net_tap_init(VLANState *vlan, const char *ifname1,
3097 const char *setup_script)
3100 int pid, status, fd;
3105 if (ifname1 != NULL)
3106 pstrcpy(ifname, sizeof(ifname), ifname1);
3109 fd = tap_open(ifname, sizeof(ifname));
3115 if (setup_script[0] != '\0') {
3116 /* try to launch network init script */
3121 *parg++ = (char *)setup_script;
3124 execv(setup_script, args);
3127 while (waitpid(pid, &status, 0) != pid);
3128 if (!WIFEXITED(status) ||
3129 WEXITSTATUS(status) != 0) {
3130 fprintf(stderr, "%s: could not launch network script\n",
3136 s = net_tap_fd_init(vlan, fd);
3139 snprintf(s->vc->info_str, sizeof(s->vc->info_str),
3140 "tap: ifname=%s setup_script=%s", ifname, setup_script);
3144 #endif /* !_WIN32 */
3146 /* network connection */
3147 typedef struct NetSocketState {
3148 VLANClientState *vc;
3150 int state; /* 0 = getting length, 1 = getting data */
3154 struct sockaddr_in dgram_dst; /* contains inet host and port destination iff connectionless (SOCK_DGRAM) */
3157 typedef struct NetSocketListenState {
3160 } NetSocketListenState;
3162 /* XXX: we consider we can send the whole packet without blocking */
3163 static void net_socket_receive(void *opaque, const uint8_t *buf, int size)
3165 NetSocketState *s = opaque;
3169 send_all(s->fd, (const uint8_t *)&len, sizeof(len));
3170 send_all(s->fd, buf, size);
3173 static void net_socket_receive_dgram(void *opaque, const uint8_t *buf, int size)
3175 NetSocketState *s = opaque;
3176 sendto(s->fd, buf, size, 0,
3177 (struct sockaddr *)&s->dgram_dst, sizeof(s->dgram_dst));
3180 static void net_socket_send(void *opaque)
3182 NetSocketState *s = opaque;
3187 size = recv(s->fd, buf1, sizeof(buf1), 0);
3189 err = socket_error();
3190 if (err != EWOULDBLOCK)
3192 } else if (size == 0) {
3193 /* end of connection */
3195 qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
3201 /* reassemble a packet from the network */
3207 memcpy(s->buf + s->index, buf, l);
3211 if (s->index == 4) {
3213 s->packet_len = ntohl(*(uint32_t *)s->buf);
3219 l = s->packet_len - s->index;
3222 memcpy(s->buf + s->index, buf, l);
3226 if (s->index >= s->packet_len) {
3227 qemu_send_packet(s->vc, s->buf, s->packet_len);
3236 static void net_socket_send_dgram(void *opaque)
3238 NetSocketState *s = opaque;
3241 size = recv(s->fd, s->buf, sizeof(s->buf), 0);
3245 /* end of connection */
3246 qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
3249 qemu_send_packet(s->vc, s->buf, size);
3252 static int net_socket_mcast_create(struct sockaddr_in *mcastaddr)
3257 if (!IN_MULTICAST(ntohl(mcastaddr->sin_addr.s_addr))) {
3258 fprintf(stderr, "qemu: error: specified mcastaddr \"%s\" (0x%08x) does not contain a multicast address\n",
3259 inet_ntoa(mcastaddr->sin_addr),
3260 (int)ntohl(mcastaddr->sin_addr.s_addr));
3264 fd = socket(PF_INET, SOCK_DGRAM, 0);
3266 perror("socket(PF_INET, SOCK_DGRAM)");
3271 ret=setsockopt(fd, SOL_SOCKET, SO_REUSEADDR,
3272 (const char *)&val, sizeof(val));
3274 perror("setsockopt(SOL_SOCKET, SO_REUSEADDR)");
3278 ret = bind(fd, (struct sockaddr *)mcastaddr, sizeof(*mcastaddr));
3284 /* Add host to multicast group */
3285 imr.imr_multiaddr = mcastaddr->sin_addr;
3286 imr.imr_interface.s_addr = htonl(INADDR_ANY);
3288 ret = setsockopt(fd, IPPROTO_IP, IP_ADD_MEMBERSHIP,
3289 (const char *)&imr, sizeof(struct ip_mreq));
3291 perror("setsockopt(IP_ADD_MEMBERSHIP)");
3295 /* Force mcast msgs to loopback (eg. several QEMUs in same host */
3297 ret=setsockopt(fd, IPPROTO_IP, IP_MULTICAST_LOOP,
3298 (const char *)&val, sizeof(val));
3300 perror("setsockopt(SOL_IP, IP_MULTICAST_LOOP)");
3304 socket_set_nonblock(fd);
3312 static NetSocketState *net_socket_fd_init_dgram(VLANState *vlan, int fd,
3315 struct sockaddr_in saddr;
3317 socklen_t saddr_len;
3320 /* fd passed: multicast: "learn" dgram_dst address from bound address and save it
3321 * Because this may be "shared" socket from a "master" process, datagrams would be recv()
3322 * by ONLY ONE process: we must "clone" this dgram socket --jjo
3326 if (getsockname(fd, (struct sockaddr *) &saddr, &saddr_len) == 0) {
3328 if (saddr.sin_addr.s_addr==0) {
3329 fprintf(stderr, "qemu: error: init_dgram: fd=%d unbound, cannot setup multicast dst addr\n",
3333 /* clone dgram socket */
3334 newfd = net_socket_mcast_create(&saddr);
3336 /* error already reported by net_socket_mcast_create() */
3340 /* clone newfd to fd, close newfd */
3345 fprintf(stderr, "qemu: error: init_dgram: fd=%d failed getsockname(): %s\n",
3346 fd, strerror(errno));
3351 s = qemu_mallocz(sizeof(NetSocketState));
3356 s->vc = qemu_new_vlan_client(vlan, net_socket_receive_dgram, NULL, s);
3357 qemu_set_fd_handler(s->fd, net_socket_send_dgram, NULL, s);
3359 /* mcast: save bound address as dst */
3360 if (is_connected) s->dgram_dst=saddr;
3362 snprintf(s->vc->info_str, sizeof(s->vc->info_str),
3363 "socket: fd=%d (%s mcast=%s:%d)",
3364 fd, is_connected? "cloned" : "",
3365 inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
3369 static void net_socket_connect(void *opaque)
3371 NetSocketState *s = opaque;
3372 qemu_set_fd_handler(s->fd, net_socket_send, NULL, s);
3375 static NetSocketState *net_socket_fd_init_stream(VLANState *vlan, int fd,
3379 s = qemu_mallocz(sizeof(NetSocketState));
3383 s->vc = qemu_new_vlan_client(vlan,
3384 net_socket_receive, NULL, s);
3385 snprintf(s->vc->info_str, sizeof(s->vc->info_str),
3386 "socket: fd=%d", fd);
3388 net_socket_connect(s);
3390 qemu_set_fd_handler(s->fd, NULL, net_socket_connect, s);
3395 static NetSocketState *net_socket_fd_init(VLANState *vlan, int fd,
3398 int so_type=-1, optlen=sizeof(so_type);
3400 if(getsockopt(fd, SOL_SOCKET, SO_TYPE, (char *)&so_type, &optlen)< 0) {
3401 fprintf(stderr, "qemu: error: setsockopt(SO_TYPE) for fd=%d failed\n", fd);
3406 return net_socket_fd_init_dgram(vlan, fd, is_connected);
3408 return net_socket_fd_init_stream(vlan, fd, is_connected);
3410 /* who knows ... this could be a eg. a pty, do warn and continue as stream */
3411 fprintf(stderr, "qemu: warning: socket type=%d for fd=%d is not SOCK_DGRAM or SOCK_STREAM\n", so_type, fd);
3412 return net_socket_fd_init_stream(vlan, fd, is_connected);
3417 static void net_socket_accept(void *opaque)
3419 NetSocketListenState *s = opaque;
3421 struct sockaddr_in saddr;
3426 len = sizeof(saddr);
3427 fd = accept(s->fd, (struct sockaddr *)&saddr, &len);
3428 if (fd < 0 && errno != EINTR) {
3430 } else if (fd >= 0) {
3434 s1 = net_socket_fd_init(s->vlan, fd, 1);
3438 snprintf(s1->vc->info_str, sizeof(s1->vc->info_str),
3439 "socket: connection from %s:%d",
3440 inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
3444 static int net_socket_listen_init(VLANState *vlan, const char *host_str)
3446 NetSocketListenState *s;
3448 struct sockaddr_in saddr;
3450 if (parse_host_port(&saddr, host_str) < 0)
3453 s = qemu_mallocz(sizeof(NetSocketListenState));
3457 fd = socket(PF_INET, SOCK_STREAM, 0);
3462 socket_set_nonblock(fd);
3464 /* allow fast reuse */
3466 setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&val, sizeof(val));
3468 ret = bind(fd, (struct sockaddr *)&saddr, sizeof(saddr));
3473 ret = listen(fd, 0);
3480 qemu_set_fd_handler(fd, net_socket_accept, NULL, s);
3484 static int net_socket_connect_init(VLANState *vlan, const char *host_str)
3487 int fd, connected, ret, err;
3488 struct sockaddr_in saddr;
3490 if (parse_host_port(&saddr, host_str) < 0)
3493 fd = socket(PF_INET, SOCK_STREAM, 0);
3498 socket_set_nonblock(fd);
3502 ret = connect(fd, (struct sockaddr *)&saddr, sizeof(saddr));
3504 err = socket_error();
3505 if (err == EINTR || err == EWOULDBLOCK) {
3506 } else if (err == EINPROGRESS) {
3518 s = net_socket_fd_init(vlan, fd, connected);
3521 snprintf(s->vc->info_str, sizeof(s->vc->info_str),
3522 "socket: connect to %s:%d",
3523 inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
3527 static int net_socket_mcast_init(VLANState *vlan, const char *host_str)
3531 struct sockaddr_in saddr;
3533 if (parse_host_port(&saddr, host_str) < 0)
3537 fd = net_socket_mcast_create(&saddr);
3541 s = net_socket_fd_init(vlan, fd, 0);
3545 s->dgram_dst = saddr;
3547 snprintf(s->vc->info_str, sizeof(s->vc->info_str),
3548 "socket: mcast=%s:%d",
3549 inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
3554 static int get_param_value(char *buf, int buf_size,
3555 const char *tag, const char *str)
3564 while (*p != '\0' && *p != '=') {
3565 if ((q - option) < sizeof(option) - 1)
3573 if (!strcmp(tag, option)) {
3575 while (*p != '\0' && *p != ',') {
3576 if ((q - buf) < buf_size - 1)
3583 while (*p != '\0' && *p != ',') {
3594 int net_client_init(const char *str)
3605 while (*p != '\0' && *p != ',') {
3606 if ((q - device) < sizeof(device) - 1)
3614 if (get_param_value(buf, sizeof(buf), "vlan", p)) {
3615 vlan_id = strtol(buf, NULL, 0);
3617 vlan = qemu_find_vlan(vlan_id);
3619 fprintf(stderr, "Could not create vlan %d\n", vlan_id);
3622 if (!strcmp(device, "nic")) {
3626 if (nb_nics >= MAX_NICS) {
3627 fprintf(stderr, "Too Many NICs\n");
3630 nd = &nd_table[nb_nics];
3631 macaddr = nd->macaddr;
3637 macaddr[5] = 0x56 + nb_nics;
3639 if (get_param_value(buf, sizeof(buf), "macaddr", p)) {
3640 if (parse_macaddr(macaddr, buf) < 0) {
3641 fprintf(stderr, "invalid syntax for ethernet address\n");
3645 if (get_param_value(buf, sizeof(buf), "model", p)) {
3646 nd->model = strdup(buf);
3652 if (!strcmp(device, "none")) {
3653 /* does nothing. It is needed to signal that no network cards
3658 if (!strcmp(device, "user")) {
3659 if (get_param_value(buf, sizeof(buf), "hostname", p)) {
3660 pstrcpy(slirp_hostname, sizeof(slirp_hostname), buf);
3662 ret = net_slirp_init(vlan);
3666 if (!strcmp(device, "tap")) {
3668 if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) {
3669 fprintf(stderr, "tap: no interface name\n");
3672 ret = tap_win32_init(vlan, ifname);
3675 if (!strcmp(device, "tap")) {
3677 char setup_script[1024];
3679 if (get_param_value(buf, sizeof(buf), "fd", p) > 0) {
3680 fd = strtol(buf, NULL, 0);
3682 if (net_tap_fd_init(vlan, fd))
3685 get_param_value(ifname, sizeof(ifname), "ifname", p);
3686 if (get_param_value(setup_script, sizeof(setup_script), "script", p) == 0) {
3687 pstrcpy(setup_script, sizeof(setup_script), DEFAULT_NETWORK_SCRIPT);
3689 ret = net_tap_init(vlan, ifname, setup_script);
3693 if (!strcmp(device, "socket")) {
3694 if (get_param_value(buf, sizeof(buf), "fd", p) > 0) {
3696 fd = strtol(buf, NULL, 0);
3698 if (net_socket_fd_init(vlan, fd, 1))
3700 } else if (get_param_value(buf, sizeof(buf), "listen", p) > 0) {
3701 ret = net_socket_listen_init(vlan, buf);
3702 } else if (get_param_value(buf, sizeof(buf), "connect", p) > 0) {
3703 ret = net_socket_connect_init(vlan, buf);
3704 } else if (get_param_value(buf, sizeof(buf), "mcast", p) > 0) {
3705 ret = net_socket_mcast_init(vlan, buf);
3707 fprintf(stderr, "Unknown socket options: %s\n", p);
3712 fprintf(stderr, "Unknown network device: %s\n", device);
3716 fprintf(stderr, "Could not initialize device '%s'\n", device);
3722 void do_info_network(void)
3725 VLANClientState *vc;
3727 for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) {
3728 term_printf("VLAN %d devices:\n", vlan->id);
3729 for(vc = vlan->first_client; vc != NULL; vc = vc->next)
3730 term_printf(" %s\n", vc->info_str);
3734 /***********************************************************/
3737 static USBPort *used_usb_ports;
3738 static USBPort *free_usb_ports;
3740 /* ??? Maybe change this to register a hub to keep track of the topology. */
3741 void qemu_register_usb_port(USBPort *port, void *opaque, int index,
3742 usb_attachfn attach)
3744 port->opaque = opaque;
3745 port->index = index;
3746 port->attach = attach;
3747 port->next = free_usb_ports;
3748 free_usb_ports = port;
3751 static int usb_device_add(const char *devname)
3757 if (!free_usb_ports)
3760 if (strstart(devname, "host:", &p)) {
3761 dev = usb_host_device_open(p);
3762 } else if (!strcmp(devname, "mouse")) {
3763 dev = usb_mouse_init();
3764 } else if (!strcmp(devname, "tablet")) {
3765 dev = usb_tablet_init();
3766 } else if (strstart(devname, "disk:", &p)) {
3767 dev = usb_msd_init(p);
3774 /* Find a USB port to add the device to. */
3775 port = free_usb_ports;
3779 /* Create a new hub and chain it on. */
3780 free_usb_ports = NULL;
3781 port->next = used_usb_ports;
3782 used_usb_ports = port;
3784 hub = usb_hub_init(VM_USB_HUB_SIZE);
3785 usb_attach(port, hub);
3786 port = free_usb_ports;
3789 free_usb_ports = port->next;
3790 port->next = used_usb_ports;
3791 used_usb_ports = port;
3792 usb_attach(port, dev);
3796 static int usb_device_del(const char *devname)
3804 if (!used_usb_ports)
3807 p = strchr(devname, '.');
3810 bus_num = strtoul(devname, NULL, 0);
3811 addr = strtoul(p + 1, NULL, 0);
3815 lastp = &used_usb_ports;
3816 port = used_usb_ports;
3817 while (port && port->dev->addr != addr) {
3818 lastp = &port->next;
3826 *lastp = port->next;
3827 usb_attach(port, NULL);
3828 dev->handle_destroy(dev);
3829 port->next = free_usb_ports;
3830 free_usb_ports = port;
3834 void do_usb_add(const char *devname)
3837 ret = usb_device_add(devname);
3839 term_printf("Could not add USB device '%s'\n", devname);
3842 void do_usb_del(const char *devname)
3845 ret = usb_device_del(devname);
3847 term_printf("Could not remove USB device '%s'\n", devname);
3854 const char *speed_str;
3857 term_printf("USB support not enabled\n");
3861 for (port = used_usb_ports; port; port = port->next) {
3865 switch(dev->speed) {
3869 case USB_SPEED_FULL:
3872 case USB_SPEED_HIGH:
3879 term_printf(" Device %d.%d, Speed %s Mb/s, Product %s\n",
3880 0, dev->addr, speed_str, dev->devname);
3884 /***********************************************************/
3887 static char *pid_filename;
3889 /* Remove PID file. Called on normal exit */
3891 static void remove_pidfile(void)
3893 unlink (pid_filename);
3896 static void create_pidfile(const char *filename)
3898 struct stat pidstat;
3901 /* Try to write our PID to the named file */
3902 if (stat(filename, &pidstat) < 0) {
3903 if (errno == ENOENT) {
3904 if ((f = fopen (filename, "w")) == NULL) {
3905 perror("Opening pidfile");
3908 fprintf(f, "%d\n", getpid());
3910 pid_filename = qemu_strdup(filename);
3911 if (!pid_filename) {
3912 fprintf(stderr, "Could not save PID filename");
3915 atexit(remove_pidfile);
3918 fprintf(stderr, "%s already exists. Remove it and try again.\n",
3924 /***********************************************************/
3927 static void dumb_update(DisplayState *ds, int x, int y, int w, int h)
3931 static void dumb_resize(DisplayState *ds, int w, int h)
3935 static void dumb_refresh(DisplayState *ds)
3940 void dumb_display_init(DisplayState *ds)
3945 ds->dpy_update = dumb_update;
3946 ds->dpy_resize = dumb_resize;
3947 ds->dpy_refresh = dumb_refresh;
3950 /***********************************************************/
3953 #define MAX_IO_HANDLERS 64
3955 typedef struct IOHandlerRecord {
3957 IOCanRWHandler *fd_read_poll;
3959 IOHandler *fd_write;
3961 /* temporary data */
3963 struct IOHandlerRecord *next;
3966 static IOHandlerRecord *first_io_handler;
3968 /* XXX: fd_read_poll should be suppressed, but an API change is
3969 necessary in the character devices to suppress fd_can_read(). */
3970 int qemu_set_fd_handler2(int fd,
3971 IOCanRWHandler *fd_read_poll,
3973 IOHandler *fd_write,
3976 IOHandlerRecord **pioh, *ioh;
3978 if (!fd_read && !fd_write) {
3979 pioh = &first_io_handler;
3984 if (ioh->fd == fd) {
3992 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
3996 ioh = qemu_mallocz(sizeof(IOHandlerRecord));
3999 ioh->next = first_io_handler;
4000 first_io_handler = ioh;
4003 ioh->fd_read_poll = fd_read_poll;
4004 ioh->fd_read = fd_read;
4005 ioh->fd_write = fd_write;
4006 ioh->opaque = opaque;
4011 int qemu_set_fd_handler(int fd,
4013 IOHandler *fd_write,
4016 return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque);
4019 /***********************************************************/
4020 /* Polling handling */
4022 typedef struct PollingEntry {
4025 struct PollingEntry *next;
4028 static PollingEntry *first_polling_entry;
4030 int qemu_add_polling_cb(PollingFunc *func, void *opaque)
4032 PollingEntry **ppe, *pe;
4033 pe = qemu_mallocz(sizeof(PollingEntry));
4037 pe->opaque = opaque;
4038 for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next);
4043 void qemu_del_polling_cb(PollingFunc *func, void *opaque)
4045 PollingEntry **ppe, *pe;
4046 for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) {
4048 if (pe->func == func && pe->opaque == opaque) {
4057 /***********************************************************/
4058 /* Wait objects support */
4059 typedef struct WaitObjects {
4061 HANDLE events[MAXIMUM_WAIT_OBJECTS + 1];
4062 WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1];
4063 void *opaque[MAXIMUM_WAIT_OBJECTS + 1];
4066 static WaitObjects wait_objects = {0};
4068 int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
4070 WaitObjects *w = &wait_objects;
4072 if (w->num >= MAXIMUM_WAIT_OBJECTS)
4074 w->events[w->num] = handle;
4075 w->func[w->num] = func;
4076 w->opaque[w->num] = opaque;
4081 void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
4084 WaitObjects *w = &wait_objects;
4087 for (i = 0; i < w->num; i++) {
4088 if (w->events[i] == handle)
4091 w->events[i] = w->events[i + 1];
4092 w->func[i] = w->func[i + 1];
4093 w->opaque[i] = w->opaque[i + 1];
4101 /***********************************************************/
4102 /* savevm/loadvm support */
4104 #define IO_BUF_SIZE 32768
4108 BlockDriverState *bs;
4111 int64_t base_offset;
4112 int64_t buf_offset; /* start of buffer when writing, end of buffer
4115 int buf_size; /* 0 when writing */
4116 uint8_t buf[IO_BUF_SIZE];
4119 QEMUFile *qemu_fopen(const char *filename, const char *mode)
4123 f = qemu_mallocz(sizeof(QEMUFile));
4126 if (!strcmp(mode, "wb")) {
4128 } else if (!strcmp(mode, "rb")) {
4133 f->outfile = fopen(filename, mode);
4145 QEMUFile *qemu_fopen_bdrv(BlockDriverState *bs, int64_t offset, int is_writable)
4149 f = qemu_mallocz(sizeof(QEMUFile));
4154 f->is_writable = is_writable;
4155 f->base_offset = offset;
4159 void qemu_fflush(QEMUFile *f)
4161 if (!f->is_writable)
4163 if (f->buf_index > 0) {
4165 fseek(f->outfile, f->buf_offset, SEEK_SET);
4166 fwrite(f->buf, 1, f->buf_index, f->outfile);
4168 bdrv_pwrite(f->bs, f->base_offset + f->buf_offset,
4169 f->buf, f->buf_index);
4171 f->buf_offset += f->buf_index;
4176 static void qemu_fill_buffer(QEMUFile *f)
4183 fseek(f->outfile, f->buf_offset, SEEK_SET);
4184 len = fread(f->buf, 1, IO_BUF_SIZE, f->outfile);
4188 len = bdrv_pread(f->bs, f->base_offset + f->buf_offset,
4189 f->buf, IO_BUF_SIZE);
4195 f->buf_offset += len;
4198 void qemu_fclose(QEMUFile *f)
4208 void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size)
4212 l = IO_BUF_SIZE - f->buf_index;
4215 memcpy(f->buf + f->buf_index, buf, l);
4219 if (f->buf_index >= IO_BUF_SIZE)
4224 void qemu_put_byte(QEMUFile *f, int v)
4226 f->buf[f->buf_index++] = v;
4227 if (f->buf_index >= IO_BUF_SIZE)
4231 int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size1)
4237 l = f->buf_size - f->buf_index;
4239 qemu_fill_buffer(f);
4240 l = f->buf_size - f->buf_index;
4246 memcpy(buf, f->buf + f->buf_index, l);
4251 return size1 - size;
4254 int qemu_get_byte(QEMUFile *f)
4256 if (f->buf_index >= f->buf_size) {
4257 qemu_fill_buffer(f);
4258 if (f->buf_index >= f->buf_size)
4261 return f->buf[f->buf_index++];
4264 int64_t qemu_ftell(QEMUFile *f)
4266 return f->buf_offset - f->buf_size + f->buf_index;
4269 int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence)
4271 if (whence == SEEK_SET) {
4273 } else if (whence == SEEK_CUR) {
4274 pos += qemu_ftell(f);
4276 /* SEEK_END not supported */
4279 if (f->is_writable) {
4281 f->buf_offset = pos;
4283 f->buf_offset = pos;
4290 void qemu_put_be16(QEMUFile *f, unsigned int v)
4292 qemu_put_byte(f, v >> 8);
4293 qemu_put_byte(f, v);
4296 void qemu_put_be32(QEMUFile *f, unsigned int v)
4298 qemu_put_byte(f, v >> 24);
4299 qemu_put_byte(f, v >> 16);
4300 qemu_put_byte(f, v >> 8);
4301 qemu_put_byte(f, v);
4304 void qemu_put_be64(QEMUFile *f, uint64_t v)
4306 qemu_put_be32(f, v >> 32);
4307 qemu_put_be32(f, v);
4310 unsigned int qemu_get_be16(QEMUFile *f)
4313 v = qemu_get_byte(f) << 8;
4314 v |= qemu_get_byte(f);
4318 unsigned int qemu_get_be32(QEMUFile *f)
4321 v = qemu_get_byte(f) << 24;
4322 v |= qemu_get_byte(f) << 16;
4323 v |= qemu_get_byte(f) << 8;
4324 v |= qemu_get_byte(f);
4328 uint64_t qemu_get_be64(QEMUFile *f)
4331 v = (uint64_t)qemu_get_be32(f) << 32;
4332 v |= qemu_get_be32(f);
4336 typedef struct SaveStateEntry {
4340 SaveStateHandler *save_state;
4341 LoadStateHandler *load_state;
4343 struct SaveStateEntry *next;
4346 static SaveStateEntry *first_se;
4348 int register_savevm(const char *idstr,
4351 SaveStateHandler *save_state,
4352 LoadStateHandler *load_state,
4355 SaveStateEntry *se, **pse;
4357 se = qemu_malloc(sizeof(SaveStateEntry));
4360 pstrcpy(se->idstr, sizeof(se->idstr), idstr);
4361 se->instance_id = instance_id;
4362 se->version_id = version_id;
4363 se->save_state = save_state;
4364 se->load_state = load_state;
4365 se->opaque = opaque;
4368 /* add at the end of list */
4370 while (*pse != NULL)
4371 pse = &(*pse)->next;
4376 #define QEMU_VM_FILE_MAGIC 0x5145564d
4377 #define QEMU_VM_FILE_VERSION 0x00000002
4379 int qemu_savevm_state(QEMUFile *f)
4383 int64_t cur_pos, len_pos, total_len_pos;
4385 qemu_put_be32(f, QEMU_VM_FILE_MAGIC);
4386 qemu_put_be32(f, QEMU_VM_FILE_VERSION);
4387 total_len_pos = qemu_ftell(f);
4388 qemu_put_be64(f, 0); /* total size */
4390 for(se = first_se; se != NULL; se = se->next) {
4392 len = strlen(se->idstr);
4393 qemu_put_byte(f, len);
4394 qemu_put_buffer(f, se->idstr, len);
4396 qemu_put_be32(f, se->instance_id);
4397 qemu_put_be32(f, se->version_id);
4399 /* record size: filled later */
4400 len_pos = qemu_ftell(f);
4401 qemu_put_be32(f, 0);
4403 se->save_state(f, se->opaque);
4405 /* fill record size */
4406 cur_pos = qemu_ftell(f);
4407 len = cur_pos - len_pos - 4;
4408 qemu_fseek(f, len_pos, SEEK_SET);
4409 qemu_put_be32(f, len);
4410 qemu_fseek(f, cur_pos, SEEK_SET);
4412 cur_pos = qemu_ftell(f);
4413 qemu_fseek(f, total_len_pos, SEEK_SET);
4414 qemu_put_be64(f, cur_pos - total_len_pos - 8);
4415 qemu_fseek(f, cur_pos, SEEK_SET);
4421 static SaveStateEntry *find_se(const char *idstr, int instance_id)
4425 for(se = first_se; se != NULL; se = se->next) {
4426 if (!strcmp(se->idstr, idstr) &&
4427 instance_id == se->instance_id)
4433 int qemu_loadvm_state(QEMUFile *f)
4436 int len, ret, instance_id, record_len, version_id;
4437 int64_t total_len, end_pos, cur_pos;
4441 v = qemu_get_be32(f);
4442 if (v != QEMU_VM_FILE_MAGIC)
4444 v = qemu_get_be32(f);
4445 if (v != QEMU_VM_FILE_VERSION) {
4450 total_len = qemu_get_be64(f);
4451 end_pos = total_len + qemu_ftell(f);
4453 if (qemu_ftell(f) >= end_pos)
4455 len = qemu_get_byte(f);
4456 qemu_get_buffer(f, idstr, len);
4458 instance_id = qemu_get_be32(f);
4459 version_id = qemu_get_be32(f);
4460 record_len = qemu_get_be32(f);
4462 printf("idstr=%s instance=0x%x version=%d len=%d\n",
4463 idstr, instance_id, version_id, record_len);
4465 cur_pos = qemu_ftell(f);
4466 se = find_se(idstr, instance_id);
4468 fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n",
4469 instance_id, idstr);
4471 ret = se->load_state(f, se->opaque, version_id);
4473 fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n",
4474 instance_id, idstr);
4477 /* always seek to exact end of record */
4478 qemu_fseek(f, cur_pos + record_len, SEEK_SET);
4485 /* device can contain snapshots */
4486 static int bdrv_can_snapshot(BlockDriverState *bs)
4489 !bdrv_is_removable(bs) &&
4490 !bdrv_is_read_only(bs));
4493 /* device must be snapshots in order to have a reliable snapshot */
4494 static int bdrv_has_snapshot(BlockDriverState *bs)
4497 !bdrv_is_removable(bs) &&
4498 !bdrv_is_read_only(bs));
4501 static BlockDriverState *get_bs_snapshots(void)
4503 BlockDriverState *bs;
4507 return bs_snapshots;
4508 for(i = 0; i <= MAX_DISKS; i++) {
4510 if (bdrv_can_snapshot(bs))
4519 static int bdrv_snapshot_find(BlockDriverState *bs, QEMUSnapshotInfo *sn_info,
4522 QEMUSnapshotInfo *sn_tab, *sn;
4526 nb_sns = bdrv_snapshot_list(bs, &sn_tab);
4529 for(i = 0; i < nb_sns; i++) {
4531 if (!strcmp(sn->id_str, name) || !strcmp(sn->name, name)) {
4541 void do_savevm(const char *name)
4543 BlockDriverState *bs, *bs1;
4544 QEMUSnapshotInfo sn1, *sn = &sn1, old_sn1, *old_sn = &old_sn1;
4545 int must_delete, ret, i;
4546 BlockDriverInfo bdi1, *bdi = &bdi1;
4548 int saved_vm_running;
4555 bs = get_bs_snapshots();
4557 term_printf("No block device can accept snapshots\n");
4561 /* ??? Should this occur after vm_stop? */
4564 saved_vm_running = vm_running;
4569 ret = bdrv_snapshot_find(bs, old_sn, name);
4574 memset(sn, 0, sizeof(*sn));
4576 pstrcpy(sn->name, sizeof(sn->name), old_sn->name);
4577 pstrcpy(sn->id_str, sizeof(sn->id_str), old_sn->id_str);
4580 pstrcpy(sn->name, sizeof(sn->name), name);
4583 /* fill auxiliary fields */
4586 sn->date_sec = tb.time;
4587 sn->date_nsec = tb.millitm * 1000000;
4589 gettimeofday(&tv, NULL);
4590 sn->date_sec = tv.tv_sec;
4591 sn->date_nsec = tv.tv_usec * 1000;
4593 sn->vm_clock_nsec = qemu_get_clock(vm_clock);
4595 if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) {
4596 term_printf("Device %s does not support VM state snapshots\n",
4597 bdrv_get_device_name(bs));
4601 /* save the VM state */
4602 f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 1);
4604 term_printf("Could not open VM state file\n");
4607 ret = qemu_savevm_state(f);
4608 sn->vm_state_size = qemu_ftell(f);
4611 term_printf("Error %d while writing VM\n", ret);
4615 /* create the snapshots */
4617 for(i = 0; i < MAX_DISKS; i++) {
4619 if (bdrv_has_snapshot(bs1)) {
4621 ret = bdrv_snapshot_delete(bs1, old_sn->id_str);
4623 term_printf("Error while deleting snapshot on '%s'\n",
4624 bdrv_get_device_name(bs1));
4627 ret = bdrv_snapshot_create(bs1, sn);
4629 term_printf("Error while creating snapshot on '%s'\n",
4630 bdrv_get_device_name(bs1));
4636 if (saved_vm_running)
4640 void do_loadvm(const char *name)
4642 BlockDriverState *bs, *bs1;
4643 BlockDriverInfo bdi1, *bdi = &bdi1;
4646 int saved_vm_running;
4648 bs = get_bs_snapshots();
4650 term_printf("No block device supports snapshots\n");
4654 /* Flush all IO requests so they don't interfere with the new state. */
4657 saved_vm_running = vm_running;
4660 for(i = 0; i <= MAX_DISKS; i++) {
4662 if (bdrv_has_snapshot(bs1)) {
4663 ret = bdrv_snapshot_goto(bs1, name);
4666 term_printf("Warning: ");
4669 term_printf("Snapshots not supported on device '%s'\n",
4670 bdrv_get_device_name(bs1));
4673 term_printf("Could not find snapshot '%s' on device '%s'\n",
4674 name, bdrv_get_device_name(bs1));
4677 term_printf("Error %d while activating snapshot on '%s'\n",
4678 ret, bdrv_get_device_name(bs1));
4681 /* fatal on snapshot block device */
4688 if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) {
4689 term_printf("Device %s does not support VM state snapshots\n",
4690 bdrv_get_device_name(bs));
4694 /* restore the VM state */
4695 f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 0);
4697 term_printf("Could not open VM state file\n");
4700 ret = qemu_loadvm_state(f);
4703 term_printf("Error %d while loading VM state\n", ret);
4706 if (saved_vm_running)
4710 void do_delvm(const char *name)
4712 BlockDriverState *bs, *bs1;
4715 bs = get_bs_snapshots();
4717 term_printf("No block device supports snapshots\n");
4721 for(i = 0; i <= MAX_DISKS; i++) {
4723 if (bdrv_has_snapshot(bs1)) {
4724 ret = bdrv_snapshot_delete(bs1, name);
4726 if (ret == -ENOTSUP)
4727 term_printf("Snapshots not supported on device '%s'\n",
4728 bdrv_get_device_name(bs1));
4730 term_printf("Error %d while deleting snapshot on '%s'\n",
4731 ret, bdrv_get_device_name(bs1));
4737 void do_info_snapshots(void)
4739 BlockDriverState *bs, *bs1;
4740 QEMUSnapshotInfo *sn_tab, *sn;
4744 bs = get_bs_snapshots();
4746 term_printf("No available block device supports snapshots\n");
4749 term_printf("Snapshot devices:");
4750 for(i = 0; i <= MAX_DISKS; i++) {
4752 if (bdrv_has_snapshot(bs1)) {
4754 term_printf(" %s", bdrv_get_device_name(bs1));
4759 nb_sns = bdrv_snapshot_list(bs, &sn_tab);
4761 term_printf("bdrv_snapshot_list: error %d\n", nb_sns);
4764 term_printf("Snapshot list (from %s):\n", bdrv_get_device_name(bs));
4765 term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), NULL));
4766 for(i = 0; i < nb_sns; i++) {
4768 term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), sn));
4773 /***********************************************************/
4774 /* cpu save/restore */
4776 #if defined(TARGET_I386)
4778 static void cpu_put_seg(QEMUFile *f, SegmentCache *dt)
4780 qemu_put_be32(f, dt->selector);
4781 qemu_put_betl(f, dt->base);
4782 qemu_put_be32(f, dt->limit);
4783 qemu_put_be32(f, dt->flags);
4786 static void cpu_get_seg(QEMUFile *f, SegmentCache *dt)
4788 dt->selector = qemu_get_be32(f);
4789 dt->base = qemu_get_betl(f);
4790 dt->limit = qemu_get_be32(f);
4791 dt->flags = qemu_get_be32(f);
4794 void cpu_save(QEMUFile *f, void *opaque)
4796 CPUState *env = opaque;
4797 uint16_t fptag, fpus, fpuc, fpregs_format;
4801 for(i = 0; i < CPU_NB_REGS; i++)
4802 qemu_put_betls(f, &env->regs[i]);
4803 qemu_put_betls(f, &env->eip);
4804 qemu_put_betls(f, &env->eflags);
4805 hflags = env->hflags; /* XXX: suppress most of the redundant hflags */
4806 qemu_put_be32s(f, &hflags);
4810 fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11;
4812 for(i = 0; i < 8; i++) {
4813 fptag |= ((!env->fptags[i]) << i);
4816 qemu_put_be16s(f, &fpuc);
4817 qemu_put_be16s(f, &fpus);
4818 qemu_put_be16s(f, &fptag);
4820 #ifdef USE_X86LDOUBLE
4825 qemu_put_be16s(f, &fpregs_format);
4827 for(i = 0; i < 8; i++) {
4828 #ifdef USE_X86LDOUBLE
4832 /* we save the real CPU data (in case of MMX usage only 'mant'
4833 contains the MMX register */
4834 cpu_get_fp80(&mant, &exp, env->fpregs[i].d);
4835 qemu_put_be64(f, mant);
4836 qemu_put_be16(f, exp);
4839 /* if we use doubles for float emulation, we save the doubles to
4840 avoid losing information in case of MMX usage. It can give
4841 problems if the image is restored on a CPU where long
4842 doubles are used instead. */
4843 qemu_put_be64(f, env->fpregs[i].mmx.MMX_Q(0));
4847 for(i = 0; i < 6; i++)
4848 cpu_put_seg(f, &env->segs[i]);
4849 cpu_put_seg(f, &env->ldt);
4850 cpu_put_seg(f, &env->tr);
4851 cpu_put_seg(f, &env->gdt);
4852 cpu_put_seg(f, &env->idt);
4854 qemu_put_be32s(f, &env->sysenter_cs);
4855 qemu_put_be32s(f, &env->sysenter_esp);
4856 qemu_put_be32s(f, &env->sysenter_eip);
4858 qemu_put_betls(f, &env->cr[0]);
4859 qemu_put_betls(f, &env->cr[2]);
4860 qemu_put_betls(f, &env->cr[3]);
4861 qemu_put_betls(f, &env->cr[4]);
4863 for(i = 0; i < 8; i++)
4864 qemu_put_betls(f, &env->dr[i]);
4867 qemu_put_be32s(f, &env->a20_mask);
4870 qemu_put_be32s(f, &env->mxcsr);
4871 for(i = 0; i < CPU_NB_REGS; i++) {
4872 qemu_put_be64s(f, &env->xmm_regs[i].XMM_Q(0));
4873 qemu_put_be64s(f, &env->xmm_regs[i].XMM_Q(1));
4876 #ifdef TARGET_X86_64
4877 qemu_put_be64s(f, &env->efer);
4878 qemu_put_be64s(f, &env->star);
4879 qemu_put_be64s(f, &env->lstar);
4880 qemu_put_be64s(f, &env->cstar);
4881 qemu_put_be64s(f, &env->fmask);
4882 qemu_put_be64s(f, &env->kernelgsbase);
4884 qemu_put_be32s(f, &env->smbase);
4887 #ifdef USE_X86LDOUBLE
4888 /* XXX: add that in a FPU generic layer */
4889 union x86_longdouble {
4894 #define MANTD1(fp) (fp & ((1LL << 52) - 1))
4895 #define EXPBIAS1 1023
4896 #define EXPD1(fp) ((fp >> 52) & 0x7FF)
4897 #define SIGND1(fp) ((fp >> 32) & 0x80000000)
4899 static void fp64_to_fp80(union x86_longdouble *p, uint64_t temp)
4903 p->mant = (MANTD1(temp) << 11) | (1LL << 63);
4904 /* exponent + sign */
4905 e = EXPD1(temp) - EXPBIAS1 + 16383;
4906 e |= SIGND1(temp) >> 16;
4911 int cpu_load(QEMUFile *f, void *opaque, int version_id)
4913 CPUState *env = opaque;
4916 uint16_t fpus, fpuc, fptag, fpregs_format;
4918 if (version_id != 3 && version_id != 4)
4920 for(i = 0; i < CPU_NB_REGS; i++)
4921 qemu_get_betls(f, &env->regs[i]);
4922 qemu_get_betls(f, &env->eip);
4923 qemu_get_betls(f, &env->eflags);
4924 qemu_get_be32s(f, &hflags);
4926 qemu_get_be16s(f, &fpuc);
4927 qemu_get_be16s(f, &fpus);
4928 qemu_get_be16s(f, &fptag);
4929 qemu_get_be16s(f, &fpregs_format);
4931 /* NOTE: we cannot always restore the FPU state if the image come
4932 from a host with a different 'USE_X86LDOUBLE' define. We guess
4933 if we are in an MMX state to restore correctly in that case. */
4934 guess_mmx = ((fptag == 0xff) && (fpus & 0x3800) == 0);
4935 for(i = 0; i < 8; i++) {
4939 switch(fpregs_format) {
4941 mant = qemu_get_be64(f);
4942 exp = qemu_get_be16(f);
4943 #ifdef USE_X86LDOUBLE
4944 env->fpregs[i].d = cpu_set_fp80(mant, exp);
4946 /* difficult case */
4948 env->fpregs[i].mmx.MMX_Q(0) = mant;
4950 env->fpregs[i].d = cpu_set_fp80(mant, exp);
4954 mant = qemu_get_be64(f);
4955 #ifdef USE_X86LDOUBLE
4957 union x86_longdouble *p;
4958 /* difficult case */
4959 p = (void *)&env->fpregs[i];
4964 fp64_to_fp80(p, mant);
4968 env->fpregs[i].mmx.MMX_Q(0) = mant;
4977 /* XXX: restore FPU round state */
4978 env->fpstt = (fpus >> 11) & 7;
4979 env->fpus = fpus & ~0x3800;
4981 for(i = 0; i < 8; i++) {
4982 env->fptags[i] = (fptag >> i) & 1;
4985 for(i = 0; i < 6; i++)
4986 cpu_get_seg(f, &env->segs[i]);
4987 cpu_get_seg(f, &env->ldt);
4988 cpu_get_seg(f, &env->tr);
4989 cpu_get_seg(f, &env->gdt);
4990 cpu_get_seg(f, &env->idt);
4992 qemu_get_be32s(f, &env->sysenter_cs);
4993 qemu_get_be32s(f, &env->sysenter_esp);
4994 qemu_get_be32s(f, &env->sysenter_eip);
4996 qemu_get_betls(f, &env->cr[0]);
4997 qemu_get_betls(f, &env->cr[2]);
4998 qemu_get_betls(f, &env->cr[3]);
4999 qemu_get_betls(f, &env->cr[4]);
5001 for(i = 0; i < 8; i++)
5002 qemu_get_betls(f, &env->dr[i]);
5005 qemu_get_be32s(f, &env->a20_mask);
5007 qemu_get_be32s(f, &env->mxcsr);
5008 for(i = 0; i < CPU_NB_REGS; i++) {
5009 qemu_get_be64s(f, &env->xmm_regs[i].XMM_Q(0));
5010 qemu_get_be64s(f, &env->xmm_regs[i].XMM_Q(1));
5013 #ifdef TARGET_X86_64
5014 qemu_get_be64s(f, &env->efer);
5015 qemu_get_be64s(f, &env->star);
5016 qemu_get_be64s(f, &env->lstar);
5017 qemu_get_be64s(f, &env->cstar);
5018 qemu_get_be64s(f, &env->fmask);
5019 qemu_get_be64s(f, &env->kernelgsbase);
5021 if (version_id >= 4)
5022 qemu_get_be32s(f, &env->smbase);
5024 /* XXX: compute hflags from scratch, except for CPL and IIF */
5025 env->hflags = hflags;
5030 #elif defined(TARGET_PPC)
5031 void cpu_save(QEMUFile *f, void *opaque)
5035 int cpu_load(QEMUFile *f, void *opaque, int version_id)
5040 #elif defined(TARGET_MIPS)
5041 void cpu_save(QEMUFile *f, void *opaque)
5045 int cpu_load(QEMUFile *f, void *opaque, int version_id)
5050 #elif defined(TARGET_SPARC)
5051 void cpu_save(QEMUFile *f, void *opaque)
5053 CPUState *env = opaque;
5057 for(i = 0; i < 8; i++)
5058 qemu_put_betls(f, &env->gregs[i]);
5059 for(i = 0; i < NWINDOWS * 16; i++)
5060 qemu_put_betls(f, &env->regbase[i]);
5063 for(i = 0; i < TARGET_FPREGS; i++) {
5069 qemu_put_be32(f, u.i);
5072 qemu_put_betls(f, &env->pc);
5073 qemu_put_betls(f, &env->npc);
5074 qemu_put_betls(f, &env->y);
5076 qemu_put_be32(f, tmp);
5077 qemu_put_betls(f, &env->fsr);
5078 qemu_put_betls(f, &env->tbr);
5079 #ifndef TARGET_SPARC64
5080 qemu_put_be32s(f, &env->wim);
5082 for(i = 0; i < 16; i++)
5083 qemu_put_be32s(f, &env->mmuregs[i]);
5087 int cpu_load(QEMUFile *f, void *opaque, int version_id)
5089 CPUState *env = opaque;
5093 for(i = 0; i < 8; i++)
5094 qemu_get_betls(f, &env->gregs[i]);
5095 for(i = 0; i < NWINDOWS * 16; i++)
5096 qemu_get_betls(f, &env->regbase[i]);
5099 for(i = 0; i < TARGET_FPREGS; i++) {
5104 u.i = qemu_get_be32(f);
5108 qemu_get_betls(f, &env->pc);
5109 qemu_get_betls(f, &env->npc);
5110 qemu_get_betls(f, &env->y);
5111 tmp = qemu_get_be32(f);
5112 env->cwp = 0; /* needed to ensure that the wrapping registers are
5113 correctly updated */
5115 qemu_get_betls(f, &env->fsr);
5116 qemu_get_betls(f, &env->tbr);
5117 #ifndef TARGET_SPARC64
5118 qemu_get_be32s(f, &env->wim);
5120 for(i = 0; i < 16; i++)
5121 qemu_get_be32s(f, &env->mmuregs[i]);
5127 #elif defined(TARGET_ARM)
5129 /* ??? Need to implement these. */
5130 void cpu_save(QEMUFile *f, void *opaque)
5134 int cpu_load(QEMUFile *f, void *opaque, int version_id)
5141 #warning No CPU save/restore functions
5145 /***********************************************************/
5146 /* ram save/restore */
5148 static int ram_get_page(QEMUFile *f, uint8_t *buf, int len)
5152 v = qemu_get_byte(f);
5155 if (qemu_get_buffer(f, buf, len) != len)
5159 v = qemu_get_byte(f);
5160 memset(buf, v, len);
5168 static int ram_load_v1(QEMUFile *f, void *opaque)
5172 if (qemu_get_be32(f) != phys_ram_size)
5174 for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) {
5175 ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE);
5182 #define BDRV_HASH_BLOCK_SIZE 1024
5183 #define IOBUF_SIZE 4096
5184 #define RAM_CBLOCK_MAGIC 0xfabe
5186 typedef struct RamCompressState {
5189 uint8_t buf[IOBUF_SIZE];
5192 static int ram_compress_open(RamCompressState *s, QEMUFile *f)
5195 memset(s, 0, sizeof(*s));
5197 ret = deflateInit2(&s->zstream, 1,
5199 9, Z_DEFAULT_STRATEGY);
5202 s->zstream.avail_out = IOBUF_SIZE;
5203 s->zstream.next_out = s->buf;
5207 static void ram_put_cblock(RamCompressState *s, const uint8_t *buf, int len)
5209 qemu_put_be16(s->f, RAM_CBLOCK_MAGIC);
5210 qemu_put_be16(s->f, len);
5211 qemu_put_buffer(s->f, buf, len);
5214 static int ram_compress_buf(RamCompressState *s, const uint8_t *buf, int len)
5218 s->zstream.avail_in = len;
5219 s->zstream.next_in = (uint8_t *)buf;
5220 while (s->zstream.avail_in > 0) {
5221 ret = deflate(&s->zstream, Z_NO_FLUSH);
5224 if (s->zstream.avail_out == 0) {
5225 ram_put_cblock(s, s->buf, IOBUF_SIZE);
5226 s->zstream.avail_out = IOBUF_SIZE;
5227 s->zstream.next_out = s->buf;
5233 static void ram_compress_close(RamCompressState *s)
5237 /* compress last bytes */
5239 ret = deflate(&s->zstream, Z_FINISH);
5240 if (ret == Z_OK || ret == Z_STREAM_END) {
5241 len = IOBUF_SIZE - s->zstream.avail_out;
5243 ram_put_cblock(s, s->buf, len);
5245 s->zstream.avail_out = IOBUF_SIZE;
5246 s->zstream.next_out = s->buf;
5247 if (ret == Z_STREAM_END)
5254 deflateEnd(&s->zstream);
5257 typedef struct RamDecompressState {
5260 uint8_t buf[IOBUF_SIZE];
5261 } RamDecompressState;
5263 static int ram_decompress_open(RamDecompressState *s, QEMUFile *f)
5266 memset(s, 0, sizeof(*s));
5268 ret = inflateInit(&s->zstream);
5274 static int ram_decompress_buf(RamDecompressState *s, uint8_t *buf, int len)
5278 s->zstream.avail_out = len;
5279 s->zstream.next_out = buf;
5280 while (s->zstream.avail_out > 0) {
5281 if (s->zstream.avail_in == 0) {
5282 if (qemu_get_be16(s->f) != RAM_CBLOCK_MAGIC)
5284 clen = qemu_get_be16(s->f);
5285 if (clen > IOBUF_SIZE)
5287 qemu_get_buffer(s->f, s->buf, clen);
5288 s->zstream.avail_in = clen;
5289 s->zstream.next_in = s->buf;
5291 ret = inflate(&s->zstream, Z_PARTIAL_FLUSH);
5292 if (ret != Z_OK && ret != Z_STREAM_END) {
5299 static void ram_decompress_close(RamDecompressState *s)
5301 inflateEnd(&s->zstream);
5304 static void ram_save(QEMUFile *f, void *opaque)
5307 RamCompressState s1, *s = &s1;
5310 qemu_put_be32(f, phys_ram_size);
5311 if (ram_compress_open(s, f) < 0)
5313 for(i = 0; i < phys_ram_size; i+= BDRV_HASH_BLOCK_SIZE) {
5315 if (tight_savevm_enabled) {
5319 /* find if the memory block is available on a virtual
5322 for(j = 0; j < MAX_DISKS; j++) {
5324 sector_num = bdrv_hash_find(bs_table[j],
5325 phys_ram_base + i, BDRV_HASH_BLOCK_SIZE);
5326 if (sector_num >= 0)
5331 goto normal_compress;
5334 cpu_to_be64wu((uint64_t *)(buf + 2), sector_num);
5335 ram_compress_buf(s, buf, 10);
5341 ram_compress_buf(s, buf, 1);
5342 ram_compress_buf(s, phys_ram_base + i, BDRV_HASH_BLOCK_SIZE);
5345 ram_compress_close(s);
5348 static int ram_load(QEMUFile *f, void *opaque, int version_id)
5350 RamDecompressState s1, *s = &s1;
5354 if (version_id == 1)
5355 return ram_load_v1(f, opaque);
5356 if (version_id != 2)
5358 if (qemu_get_be32(f) != phys_ram_size)
5360 if (ram_decompress_open(s, f) < 0)
5362 for(i = 0; i < phys_ram_size; i+= BDRV_HASH_BLOCK_SIZE) {
5363 if (ram_decompress_buf(s, buf, 1) < 0) {
5364 fprintf(stderr, "Error while reading ram block header\n");
5368 if (ram_decompress_buf(s, phys_ram_base + i, BDRV_HASH_BLOCK_SIZE) < 0) {
5369 fprintf(stderr, "Error while reading ram block address=0x%08x", i);
5378 ram_decompress_buf(s, buf + 1, 9);
5380 sector_num = be64_to_cpupu((const uint64_t *)(buf + 2));
5381 if (bs_index >= MAX_DISKS || bs_table[bs_index] == NULL) {
5382 fprintf(stderr, "Invalid block device index %d\n", bs_index);
5385 if (bdrv_read(bs_table[bs_index], sector_num, phys_ram_base + i,
5386 BDRV_HASH_BLOCK_SIZE / 512) < 0) {
5387 fprintf(stderr, "Error while reading sector %d:%" PRId64 "\n",
5388 bs_index, sector_num);
5395 printf("Error block header\n");
5399 ram_decompress_close(s);
5403 /***********************************************************/
5404 /* bottom halves (can be seen as timers which expire ASAP) */
5413 static QEMUBH *first_bh = NULL;
5415 QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque)
5418 bh = qemu_mallocz(sizeof(QEMUBH));
5422 bh->opaque = opaque;
5426 int qemu_bh_poll(void)
5445 void qemu_bh_schedule(QEMUBH *bh)
5447 CPUState *env = cpu_single_env;
5451 bh->next = first_bh;
5454 /* stop the currently executing CPU to execute the BH ASAP */
5456 cpu_interrupt(env, CPU_INTERRUPT_EXIT);
5460 void qemu_bh_cancel(QEMUBH *bh)
5463 if (bh->scheduled) {
5466 pbh = &(*pbh)->next;
5472 void qemu_bh_delete(QEMUBH *bh)
5478 /***********************************************************/
5479 /* machine registration */
5481 QEMUMachine *first_machine = NULL;
5483 int qemu_register_machine(QEMUMachine *m)
5486 pm = &first_machine;
5494 QEMUMachine *find_machine(const char *name)
5498 for(m = first_machine; m != NULL; m = m->next) {
5499 if (!strcmp(m->name, name))
5505 /***********************************************************/
5506 /* main execution loop */
5508 void gui_update(void *opaque)
5510 display_state.dpy_refresh(&display_state);
5511 qemu_mod_timer(gui_timer, GUI_REFRESH_INTERVAL + qemu_get_clock(rt_clock));
5514 struct vm_change_state_entry {
5515 VMChangeStateHandler *cb;
5517 LIST_ENTRY (vm_change_state_entry) entries;
5520 static LIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
5522 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
5525 VMChangeStateEntry *e;
5527 e = qemu_mallocz(sizeof (*e));
5533 LIST_INSERT_HEAD(&vm_change_state_head, e, entries);
5537 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
5539 LIST_REMOVE (e, entries);
5543 static void vm_state_notify(int running)
5545 VMChangeStateEntry *e;
5547 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
5548 e->cb(e->opaque, running);
5552 /* XXX: support several handlers */
5553 static VMStopHandler *vm_stop_cb;
5554 static void *vm_stop_opaque;
5556 int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque)
5559 vm_stop_opaque = opaque;
5563 void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque)
5577 void vm_stop(int reason)
5580 cpu_disable_ticks();
5584 vm_stop_cb(vm_stop_opaque, reason);
5591 /* reset/shutdown handler */
5593 typedef struct QEMUResetEntry {
5594 QEMUResetHandler *func;
5596 struct QEMUResetEntry *next;
5599 static QEMUResetEntry *first_reset_entry;
5600 static int reset_requested;
5601 static int shutdown_requested;
5602 static int powerdown_requested;
5604 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
5606 QEMUResetEntry **pre, *re;
5608 pre = &first_reset_entry;
5609 while (*pre != NULL)
5610 pre = &(*pre)->next;
5611 re = qemu_mallocz(sizeof(QEMUResetEntry));
5613 re->opaque = opaque;
5618 void qemu_system_reset(void)
5622 /* reset all devices */
5623 for(re = first_reset_entry; re != NULL; re = re->next) {
5624 re->func(re->opaque);
5628 void qemu_system_reset_request(void)
5630 reset_requested = 1;
5632 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
5635 void qemu_system_shutdown_request(void)
5637 shutdown_requested = 1;
5639 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
5642 void qemu_system_powerdown_request(void)
5644 powerdown_requested = 1;
5646 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
5649 void main_loop_wait(int timeout)
5651 IOHandlerRecord *ioh, *ioh_next;
5652 fd_set rfds, wfds, xfds;
5658 /* XXX: need to suppress polling by better using win32 events */
5660 for(pe = first_polling_entry; pe != NULL; pe = pe->next) {
5661 ret |= pe->func(pe->opaque);
5664 if (ret == 0 && timeout > 0) {
5666 WaitObjects *w = &wait_objects;
5668 ret = WaitForMultipleObjects(w->num, w->events, FALSE, timeout);
5669 if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) {
5670 if (w->func[ret - WAIT_OBJECT_0])
5671 w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]);
5672 } else if (ret == WAIT_TIMEOUT) {
5674 err = GetLastError();
5675 fprintf(stderr, "Wait error %d %d\n", ret, err);
5679 /* poll any events */
5680 /* XXX: separate device handlers from system ones */
5685 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
5687 (!ioh->fd_read_poll ||
5688 ioh->fd_read_poll(ioh->opaque) != 0)) {
5689 FD_SET(ioh->fd, &rfds);
5693 if (ioh->fd_write) {
5694 FD_SET(ioh->fd, &wfds);
5704 tv.tv_usec = timeout * 1000;
5706 #if defined(CONFIG_SLIRP)
5708 slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
5711 ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
5713 /* XXX: better handling of removal */
5714 for(ioh = first_io_handler; ioh != NULL; ioh = ioh_next) {
5715 ioh_next = ioh->next;
5716 if (FD_ISSET(ioh->fd, &rfds)) {
5717 ioh->fd_read(ioh->opaque);
5719 if (FD_ISSET(ioh->fd, &wfds)) {
5720 ioh->fd_write(ioh->opaque);
5724 #if defined(CONFIG_SLIRP)
5731 slirp_select_poll(&rfds, &wfds, &xfds);
5738 qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL],
5739 qemu_get_clock(vm_clock));
5740 /* run dma transfers, if any */
5744 /* real time timers */
5745 qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME],
5746 qemu_get_clock(rt_clock));
5749 static CPUState *cur_cpu;
5754 #ifdef CONFIG_PROFILER
5759 cur_cpu = first_cpu;
5766 env = env->next_cpu;
5769 #ifdef CONFIG_PROFILER
5770 ti = profile_getclock();
5772 ret = cpu_exec(env);
5773 #ifdef CONFIG_PROFILER
5774 qemu_time += profile_getclock() - ti;
5776 if (ret != EXCP_HALTED)
5778 /* all CPUs are halted ? */
5779 if (env == cur_cpu) {
5786 if (shutdown_requested) {
5787 ret = EXCP_INTERRUPT;
5790 if (reset_requested) {
5791 reset_requested = 0;
5792 qemu_system_reset();
5793 ret = EXCP_INTERRUPT;
5795 if (powerdown_requested) {
5796 powerdown_requested = 0;
5797 qemu_system_powerdown();
5798 ret = EXCP_INTERRUPT;
5800 if (ret == EXCP_DEBUG) {
5801 vm_stop(EXCP_DEBUG);
5803 /* if hlt instruction, we wait until the next IRQ */
5804 /* XXX: use timeout computed from timers */
5805 if (ret == EXCP_HLT)
5812 #ifdef CONFIG_PROFILER
5813 ti = profile_getclock();
5815 main_loop_wait(timeout);
5816 #ifdef CONFIG_PROFILER
5817 dev_time += profile_getclock() - ti;
5820 cpu_disable_ticks();
5826 printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2006 Fabrice Bellard\n"
5827 "usage: %s [options] [disk_image]\n"
5829 "'disk_image' is a raw hard image image for IDE hard disk 0\n"
5831 "Standard options:\n"
5832 "-M machine select emulated machine (-M ? for list)\n"
5833 "-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
5834 "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
5835 "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
5836 "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
5837 "-boot [a|c|d] boot on floppy (a), hard disk (c) or CD-ROM (d)\n"
5838 "-snapshot write to temporary files instead of disk image files\n"
5840 "-no-fd-bootchk disable boot signature checking for floppy disks\n"
5842 "-m megs set virtual RAM size to megs MB [default=%d]\n"
5843 "-smp n set the number of CPUs to 'n' [default=1]\n"
5844 "-nographic disable graphical output and redirect serial I/Os to console\n"
5846 "-k language use keyboard layout (for example \"fr\" for French)\n"
5849 "-audio-help print list of audio drivers and their options\n"
5850 "-soundhw c1,... enable audio support\n"
5851 " and only specified sound cards (comma separated list)\n"
5852 " use -soundhw ? to get the list of supported cards\n"
5853 " use -soundhw all to enable all of them\n"
5855 "-localtime set the real time clock to local time [default=utc]\n"
5856 "-full-screen start in full screen\n"
5858 "-win2k-hack use it when installing Windows 2000 to avoid a disk full bug\n"
5860 "-usb enable the USB driver (will be the default soon)\n"
5861 "-usbdevice name add the host or guest USB device 'name'\n"
5862 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
5863 "-g WxH[xDEPTH] Set the initial graphical resolution and depth\n"
5866 "Network options:\n"
5867 "-net nic[,vlan=n][,macaddr=addr][,model=type]\n"
5868 " create a new Network Interface Card and connect it to VLAN 'n'\n"
5870 "-net user[,vlan=n][,hostname=host]\n"
5871 " connect the user mode network stack to VLAN 'n' and send\n"
5872 " hostname 'host' to DHCP clients\n"
5875 "-net tap[,vlan=n],ifname=name\n"
5876 " connect the host TAP network interface to VLAN 'n'\n"
5878 "-net tap[,vlan=n][,fd=h][,ifname=name][,script=file]\n"
5879 " connect the host TAP network interface to VLAN 'n' and use\n"
5880 " the network script 'file' (default=%s);\n"
5881 " use 'fd=h' to connect to an already opened TAP interface\n"
5883 "-net socket[,vlan=n][,fd=h][,listen=[host]:port][,connect=host:port]\n"
5884 " connect the vlan 'n' to another VLAN using a socket connection\n"
5885 "-net socket[,vlan=n][,fd=h][,mcast=maddr:port]\n"
5886 " connect the vlan 'n' to multicast maddr and port\n"
5887 "-net none use it alone to have zero network devices; if no -net option\n"
5888 " is provided, the default is '-net nic -net user'\n"
5891 "-tftp prefix allow tftp access to files starting with prefix [-net user]\n"
5893 "-smb dir allow SMB access to files in 'dir' [-net user]\n"
5895 "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
5896 " redirect TCP or UDP connections from host to guest [-net user]\n"
5899 "Linux boot specific:\n"
5900 "-kernel bzImage use 'bzImage' as kernel image\n"
5901 "-append cmdline use 'cmdline' as kernel command line\n"
5902 "-initrd file use 'file' as initial ram disk\n"
5904 "Debug/Expert options:\n"
5905 "-monitor dev redirect the monitor to char device 'dev'\n"
5906 "-serial dev redirect the serial port to char device 'dev'\n"
5907 "-parallel dev redirect the parallel port to char device 'dev'\n"
5908 "-pidfile file Write PID to 'file'\n"
5909 "-S freeze CPU at startup (use 'c' to start execution)\n"
5910 "-s wait gdb connection to port %d\n"
5911 "-p port change gdb connection port\n"
5912 "-d item1,... output log to %s (use -d ? for a list of log items)\n"
5913 "-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n"
5914 " translation (t=none or lba) (usually qemu can guess them)\n"
5915 "-L path set the directory for the BIOS, VGA BIOS and keymaps\n"
5917 "-kernel-kqemu enable KQEMU full virtualization (default is user mode only)\n"
5918 "-no-kqemu disable KQEMU kernel module usage\n"
5920 #ifdef USE_CODE_COPY
5921 "-no-code-copy disable code copy acceleration\n"
5924 "-std-vga simulate a standard VGA card with VESA Bochs Extensions\n"
5925 " (default is CL-GD5446 PCI VGA)\n"
5926 "-no-acpi disable ACPI\n"
5928 "-loadvm file start right away with a saved state (loadvm in monitor)\n"
5929 "-vnc display start a VNC server on display\n"
5931 "During emulation, the following keys are useful:\n"
5932 "ctrl-alt-f toggle full screen\n"
5933 "ctrl-alt-n switch to virtual console 'n'\n"
5934 "ctrl-alt toggle mouse and keyboard grab\n"
5936 "When using -nographic, press 'ctrl-a h' to get some help.\n"
5941 DEFAULT_NETWORK_SCRIPT,
5943 DEFAULT_GDBSTUB_PORT,
5948 #define HAS_ARG 0x0001
5962 QEMU_OPTION_snapshot,
5964 QEMU_OPTION_no_fd_bootchk,
5967 QEMU_OPTION_nographic,
5969 QEMU_OPTION_audio_help,
5970 QEMU_OPTION_soundhw,
5988 QEMU_OPTION_no_code_copy,
5990 QEMU_OPTION_localtime,
5991 QEMU_OPTION_cirrusvga,
5993 QEMU_OPTION_std_vga,
5994 QEMU_OPTION_monitor,
5996 QEMU_OPTION_parallel,
5998 QEMU_OPTION_full_screen,
5999 QEMU_OPTION_pidfile,
6000 QEMU_OPTION_no_kqemu,
6001 QEMU_OPTION_kernel_kqemu,
6002 QEMU_OPTION_win2k_hack,
6004 QEMU_OPTION_usbdevice,
6007 QEMU_OPTION_no_acpi,
6010 typedef struct QEMUOption {
6016 const QEMUOption qemu_options[] = {
6017 { "h", 0, QEMU_OPTION_h },
6019 { "M", HAS_ARG, QEMU_OPTION_M },
6020 { "fda", HAS_ARG, QEMU_OPTION_fda },
6021 { "fdb", HAS_ARG, QEMU_OPTION_fdb },
6022 { "hda", HAS_ARG, QEMU_OPTION_hda },
6023 { "hdb", HAS_ARG, QEMU_OPTION_hdb },
6024 { "hdc", HAS_ARG, QEMU_OPTION_hdc },
6025 { "hdd", HAS_ARG, QEMU_OPTION_hdd },
6026 { "cdrom", HAS_ARG, QEMU_OPTION_cdrom },
6027 { "boot", HAS_ARG, QEMU_OPTION_boot },
6028 { "snapshot", 0, QEMU_OPTION_snapshot },
6030 { "no-fd-bootchk", 0, QEMU_OPTION_no_fd_bootchk },
6032 { "m", HAS_ARG, QEMU_OPTION_m },
6033 { "nographic", 0, QEMU_OPTION_nographic },
6034 { "k", HAS_ARG, QEMU_OPTION_k },
6036 { "audio-help", 0, QEMU_OPTION_audio_help },
6037 { "soundhw", HAS_ARG, QEMU_OPTION_soundhw },
6040 { "net", HAS_ARG, QEMU_OPTION_net},
6042 { "tftp", HAS_ARG, QEMU_OPTION_tftp },
6044 { "smb", HAS_ARG, QEMU_OPTION_smb },
6046 { "redir", HAS_ARG, QEMU_OPTION_redir },
6049 { "kernel", HAS_ARG, QEMU_OPTION_kernel },
6050 { "append", HAS_ARG, QEMU_OPTION_append },
6051 { "initrd", HAS_ARG, QEMU_OPTION_initrd },
6053 { "S", 0, QEMU_OPTION_S },
6054 { "s", 0, QEMU_OPTION_s },
6055 { "p", HAS_ARG, QEMU_OPTION_p },
6056 { "d", HAS_ARG, QEMU_OPTION_d },
6057 { "hdachs", HAS_ARG, QEMU_OPTION_hdachs },
6058 { "L", HAS_ARG, QEMU_OPTION_L },
6059 { "no-code-copy", 0, QEMU_OPTION_no_code_copy },
6061 { "no-kqemu", 0, QEMU_OPTION_no_kqemu },
6062 { "kernel-kqemu", 0, QEMU_OPTION_kernel_kqemu },
6064 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
6065 { "g", 1, QEMU_OPTION_g },
6067 { "localtime", 0, QEMU_OPTION_localtime },
6068 { "std-vga", 0, QEMU_OPTION_std_vga },
6069 { "monitor", 1, QEMU_OPTION_monitor },
6070 { "serial", 1, QEMU_OPTION_serial },
6071 { "parallel", 1, QEMU_OPTION_parallel },
6072 { "loadvm", HAS_ARG, QEMU_OPTION_loadvm },
6073 { "full-screen", 0, QEMU_OPTION_full_screen },
6074 { "pidfile", HAS_ARG, QEMU_OPTION_pidfile },
6075 { "win2k-hack", 0, QEMU_OPTION_win2k_hack },
6076 { "usbdevice", HAS_ARG, QEMU_OPTION_usbdevice },
6077 { "smp", HAS_ARG, QEMU_OPTION_smp },
6078 { "vnc", HAS_ARG, QEMU_OPTION_vnc },
6080 /* temporary options */
6081 { "usb", 0, QEMU_OPTION_usb },
6082 { "cirrusvga", 0, QEMU_OPTION_cirrusvga },
6083 { "no-acpi", 0, QEMU_OPTION_no_acpi },
6087 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
6089 /* this stack is only used during signal handling */
6090 #define SIGNAL_STACK_SIZE 32768
6092 static uint8_t *signal_stack;
6096 /* password input */
6098 static BlockDriverState *get_bdrv(int index)
6100 BlockDriverState *bs;
6103 bs = bs_table[index];
6104 } else if (index < 6) {
6105 bs = fd_table[index - 4];
6112 static void read_passwords(void)
6114 BlockDriverState *bs;
6118 for(i = 0; i < 6; i++) {
6120 if (bs && bdrv_is_encrypted(bs)) {
6121 term_printf("%s is encrypted.\n", bdrv_get_device_name(bs));
6122 for(j = 0; j < 3; j++) {
6123 monitor_readline("Password: ",
6124 1, password, sizeof(password));
6125 if (bdrv_set_key(bs, password) == 0)
6127 term_printf("invalid password\n");
6133 /* XXX: currently we cannot use simultaneously different CPUs */
6134 void register_machines(void)
6136 #if defined(TARGET_I386)
6137 qemu_register_machine(&pc_machine);
6138 qemu_register_machine(&isapc_machine);
6139 #elif defined(TARGET_PPC)
6140 qemu_register_machine(&heathrow_machine);
6141 qemu_register_machine(&core99_machine);
6142 qemu_register_machine(&prep_machine);
6143 #elif defined(TARGET_MIPS)
6144 qemu_register_machine(&mips_machine);
6145 #elif defined(TARGET_SPARC)
6146 #ifdef TARGET_SPARC64
6147 qemu_register_machine(&sun4u_machine);
6149 qemu_register_machine(&sun4m_machine);
6151 #elif defined(TARGET_ARM)
6152 qemu_register_machine(&integratorcp926_machine);
6153 qemu_register_machine(&integratorcp1026_machine);
6154 qemu_register_machine(&versatilepb_machine);
6155 qemu_register_machine(&versatileab_machine);
6156 qemu_register_machine(&realview_machine);
6157 #elif defined(TARGET_SH4)
6158 qemu_register_machine(&shix_machine);
6160 #error unsupported CPU
6165 struct soundhw soundhw[] = {
6172 { .init_isa = pcspk_audio_init }
6177 "Creative Sound Blaster 16",
6180 { .init_isa = SB16_init }
6187 "Yamaha YMF262 (OPL3)",
6189 "Yamaha YM3812 (OPL2)",
6193 { .init_isa = Adlib_init }
6200 "Gravis Ultrasound GF1",
6203 { .init_isa = GUS_init }
6209 "ENSONIQ AudioPCI ES1370",
6212 { .init_pci = es1370_init }
6215 { NULL, NULL, 0, 0, { NULL } }
6218 static void select_soundhw (const char *optarg)
6222 if (*optarg == '?') {
6225 printf ("Valid sound card names (comma separated):\n");
6226 for (c = soundhw; c->name; ++c) {
6227 printf ("%-11s %s\n", c->name, c->descr);
6229 printf ("\n-soundhw all will enable all of the above\n");
6230 exit (*optarg != '?');
6238 if (!strcmp (optarg, "all")) {
6239 for (c = soundhw; c->name; ++c) {
6247 e = strchr (p, ',');
6248 l = !e ? strlen (p) : (size_t) (e - p);
6250 for (c = soundhw; c->name; ++c) {
6251 if (!strncmp (c->name, p, l)) {
6260 "Unknown sound card name (too big to show)\n");
6263 fprintf (stderr, "Unknown sound card name `%.*s'\n",
6268 p += l + (e != NULL);
6272 goto show_valid_cards;
6278 static BOOL WINAPI qemu_ctrl_handler(DWORD type)
6280 exit(STATUS_CONTROL_C_EXIT);
6285 #define MAX_NET_CLIENTS 32
6287 int main(int argc, char **argv)
6289 #ifdef CONFIG_GDBSTUB
6290 int use_gdbstub, gdbstub_port;
6293 int snapshot, linux_boot;
6294 const char *initrd_filename;
6295 const char *hd_filename[MAX_DISKS], *fd_filename[MAX_FD];
6296 const char *kernel_filename, *kernel_cmdline;
6297 DisplayState *ds = &display_state;
6298 int cyls, heads, secs, translation;
6299 int start_emulation = 1;
6300 char net_clients[MAX_NET_CLIENTS][256];
6303 const char *r, *optarg;
6304 CharDriverState *monitor_hd;
6305 char monitor_device[128];
6306 char serial_devices[MAX_SERIAL_PORTS][128];
6307 int serial_device_index;
6308 char parallel_devices[MAX_PARALLEL_PORTS][128];
6309 int parallel_device_index;
6310 const char *loadvm = NULL;
6311 QEMUMachine *machine;
6312 char usb_devices[MAX_USB_CMDLINE][128];
6313 int usb_devices_index;
6315 LIST_INIT (&vm_change_state_head);
6318 struct sigaction act;
6319 sigfillset(&act.sa_mask);
6321 act.sa_handler = SIG_IGN;
6322 sigaction(SIGPIPE, &act, NULL);
6325 SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE);
6326 /* Note: cpu_interrupt() is currently not SMP safe, so we force
6327 QEMU to run on a single CPU */
6332 h = GetCurrentProcess();
6333 if (GetProcessAffinityMask(h, &mask, &smask)) {
6334 for(i = 0; i < 32; i++) {
6335 if (mask & (1 << i))
6340 SetProcessAffinityMask(h, mask);
6346 register_machines();
6347 machine = first_machine;
6348 initrd_filename = NULL;
6349 for(i = 0; i < MAX_FD; i++)
6350 fd_filename[i] = NULL;
6351 for(i = 0; i < MAX_DISKS; i++)
6352 hd_filename[i] = NULL;
6353 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
6354 vga_ram_size = VGA_RAM_SIZE;
6355 bios_size = BIOS_SIZE;
6356 #ifdef CONFIG_GDBSTUB
6358 gdbstub_port = DEFAULT_GDBSTUB_PORT;
6362 kernel_filename = NULL;
6363 kernel_cmdline = "";
6369 cyls = heads = secs = 0;
6370 translation = BIOS_ATA_TRANSLATION_AUTO;
6371 pstrcpy(monitor_device, sizeof(monitor_device), "vc");
6373 pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "vc");
6374 for(i = 1; i < MAX_SERIAL_PORTS; i++)
6375 serial_devices[i][0] = '\0';
6376 serial_device_index = 0;
6378 pstrcpy(parallel_devices[0], sizeof(parallel_devices[0]), "vc");
6379 for(i = 1; i < MAX_PARALLEL_PORTS; i++)
6380 parallel_devices[i][0] = '\0';
6381 parallel_device_index = 0;
6383 usb_devices_index = 0;
6388 /* default mac address of the first network interface */
6396 hd_filename[0] = argv[optind++];
6398 const QEMUOption *popt;
6401 popt = qemu_options;
6404 fprintf(stderr, "%s: invalid option -- '%s'\n",
6408 if (!strcmp(popt->name, r + 1))
6412 if (popt->flags & HAS_ARG) {
6413 if (optind >= argc) {
6414 fprintf(stderr, "%s: option '%s' requires an argument\n",
6418 optarg = argv[optind++];
6423 switch(popt->index) {
6425 machine = find_machine(optarg);
6428 printf("Supported machines are:\n");
6429 for(m = first_machine; m != NULL; m = m->next) {
6430 printf("%-10s %s%s\n",
6432 m == first_machine ? " (default)" : "");
6437 case QEMU_OPTION_initrd:
6438 initrd_filename = optarg;
6440 case QEMU_OPTION_hda:
6441 case QEMU_OPTION_hdb:
6442 case QEMU_OPTION_hdc:
6443 case QEMU_OPTION_hdd:
6446 hd_index = popt->index - QEMU_OPTION_hda;
6447 hd_filename[hd_index] = optarg;
6448 if (hd_index == cdrom_index)
6452 case QEMU_OPTION_snapshot:
6455 case QEMU_OPTION_hdachs:
6459 cyls = strtol(p, (char **)&p, 0);
6460 if (cyls < 1 || cyls > 16383)
6465 heads = strtol(p, (char **)&p, 0);
6466 if (heads < 1 || heads > 16)
6471 secs = strtol(p, (char **)&p, 0);
6472 if (secs < 1 || secs > 63)
6476 if (!strcmp(p, "none"))
6477 translation = BIOS_ATA_TRANSLATION_NONE;
6478 else if (!strcmp(p, "lba"))
6479 translation = BIOS_ATA_TRANSLATION_LBA;
6480 else if (!strcmp(p, "auto"))
6481 translation = BIOS_ATA_TRANSLATION_AUTO;
6484 } else if (*p != '\0') {
6486 fprintf(stderr, "qemu: invalid physical CHS format\n");
6491 case QEMU_OPTION_nographic:
6492 pstrcpy(monitor_device, sizeof(monitor_device), "stdio");
6493 pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "stdio");
6496 case QEMU_OPTION_kernel:
6497 kernel_filename = optarg;
6499 case QEMU_OPTION_append:
6500 kernel_cmdline = optarg;
6502 case QEMU_OPTION_cdrom:
6503 if (cdrom_index >= 0) {
6504 hd_filename[cdrom_index] = optarg;
6507 case QEMU_OPTION_boot:
6508 boot_device = optarg[0];
6509 if (boot_device != 'a' &&
6512 boot_device != 'n' &&
6514 boot_device != 'c' && boot_device != 'd') {
6515 fprintf(stderr, "qemu: invalid boot device '%c'\n", boot_device);
6519 case QEMU_OPTION_fda:
6520 fd_filename[0] = optarg;
6522 case QEMU_OPTION_fdb:
6523 fd_filename[1] = optarg;
6526 case QEMU_OPTION_no_fd_bootchk:
6530 case QEMU_OPTION_no_code_copy:
6531 code_copy_enabled = 0;
6533 case QEMU_OPTION_net:
6534 if (nb_net_clients >= MAX_NET_CLIENTS) {
6535 fprintf(stderr, "qemu: too many network clients\n");
6538 pstrcpy(net_clients[nb_net_clients],
6539 sizeof(net_clients[0]),
6544 case QEMU_OPTION_tftp:
6545 tftp_prefix = optarg;
6548 case QEMU_OPTION_smb:
6549 net_slirp_smb(optarg);
6552 case QEMU_OPTION_redir:
6553 net_slirp_redir(optarg);
6557 case QEMU_OPTION_audio_help:
6561 case QEMU_OPTION_soundhw:
6562 select_soundhw (optarg);
6569 ram_size = atoi(optarg) * 1024 * 1024;
6572 if (ram_size > PHYS_RAM_MAX_SIZE) {
6573 fprintf(stderr, "qemu: at most %d MB RAM can be simulated\n",
6574 PHYS_RAM_MAX_SIZE / (1024 * 1024));
6583 mask = cpu_str_to_log_mask(optarg);
6585 printf("Log items (comma separated):\n");
6586 for(item = cpu_log_items; item->mask != 0; item++) {
6587 printf("%-10s %s\n", item->name, item->help);
6594 #ifdef CONFIG_GDBSTUB
6599 gdbstub_port = atoi(optarg);
6606 start_emulation = 0;
6609 keyboard_layout = optarg;
6611 case QEMU_OPTION_localtime:
6614 case QEMU_OPTION_cirrusvga:
6615 cirrus_vga_enabled = 1;
6617 case QEMU_OPTION_std_vga:
6618 cirrus_vga_enabled = 0;
6625 w = strtol(p, (char **)&p, 10);
6628 fprintf(stderr, "qemu: invalid resolution or depth\n");
6634 h = strtol(p, (char **)&p, 10);
6639 depth = strtol(p, (char **)&p, 10);
6640 if (depth != 8 && depth != 15 && depth != 16 &&
6641 depth != 24 && depth != 32)
6643 } else if (*p == '\0') {
6644 depth = graphic_depth;
6651 graphic_depth = depth;
6654 case QEMU_OPTION_monitor:
6655 pstrcpy(monitor_device, sizeof(monitor_device), optarg);
6657 case QEMU_OPTION_serial:
6658 if (serial_device_index >= MAX_SERIAL_PORTS) {
6659 fprintf(stderr, "qemu: too many serial ports\n");
6662 pstrcpy(serial_devices[serial_device_index],
6663 sizeof(serial_devices[0]), optarg);
6664 serial_device_index++;
6666 case QEMU_OPTION_parallel:
6667 if (parallel_device_index >= MAX_PARALLEL_PORTS) {
6668 fprintf(stderr, "qemu: too many parallel ports\n");
6671 pstrcpy(parallel_devices[parallel_device_index],
6672 sizeof(parallel_devices[0]), optarg);
6673 parallel_device_index++;
6675 case QEMU_OPTION_loadvm:
6678 case QEMU_OPTION_full_screen:
6681 case QEMU_OPTION_pidfile:
6682 create_pidfile(optarg);
6685 case QEMU_OPTION_win2k_hack:
6686 win2k_install_hack = 1;
6690 case QEMU_OPTION_no_kqemu:
6693 case QEMU_OPTION_kernel_kqemu:
6697 case QEMU_OPTION_usb:
6700 case QEMU_OPTION_usbdevice:
6702 if (usb_devices_index >= MAX_USB_CMDLINE) {
6703 fprintf(stderr, "Too many USB devices\n");
6706 pstrcpy(usb_devices[usb_devices_index],
6707 sizeof(usb_devices[usb_devices_index]),
6709 usb_devices_index++;
6711 case QEMU_OPTION_smp:
6712 smp_cpus = atoi(optarg);
6713 if (smp_cpus < 1 || smp_cpus > MAX_CPUS) {
6714 fprintf(stderr, "Invalid number of CPUs\n");
6718 case QEMU_OPTION_vnc:
6719 vnc_display = atoi(optarg);
6720 if (vnc_display < 0) {
6721 fprintf(stderr, "Invalid VNC display\n");
6725 case QEMU_OPTION_no_acpi:
6736 linux_boot = (kernel_filename != NULL);
6739 hd_filename[0] == '\0' &&
6740 (cdrom_index >= 0 && hd_filename[cdrom_index] == '\0') &&
6741 fd_filename[0] == '\0')
6744 /* boot to cd by default if no hard disk */
6745 if (hd_filename[0] == '\0' && boot_device == 'c') {
6746 if (fd_filename[0] != '\0')
6752 setvbuf(stdout, NULL, _IOLBF, 0);
6762 /* init network clients */
6763 if (nb_net_clients == 0) {
6764 /* if no clients, we use a default config */
6765 pstrcpy(net_clients[0], sizeof(net_clients[0]),
6767 pstrcpy(net_clients[1], sizeof(net_clients[0]),
6772 for(i = 0;i < nb_net_clients; i++) {
6773 if (net_client_init(net_clients[i]) < 0)
6777 /* init the memory */
6778 phys_ram_size = ram_size + vga_ram_size + bios_size;
6780 phys_ram_base = qemu_vmalloc(phys_ram_size);
6781 if (!phys_ram_base) {
6782 fprintf(stderr, "Could not allocate physical memory\n");
6786 /* we always create the cdrom drive, even if no disk is there */
6788 if (cdrom_index >= 0) {
6789 bs_table[cdrom_index] = bdrv_new("cdrom");
6790 bdrv_set_type_hint(bs_table[cdrom_index], BDRV_TYPE_CDROM);
6793 /* open the virtual block devices */
6794 for(i = 0; i < MAX_DISKS; i++) {
6795 if (hd_filename[i]) {
6798 snprintf(buf, sizeof(buf), "hd%c", i + 'a');
6799 bs_table[i] = bdrv_new(buf);
6801 if (bdrv_open(bs_table[i], hd_filename[i], snapshot ? BDRV_O_SNAPSHOT : 0) < 0) {
6802 fprintf(stderr, "qemu: could not open hard disk image '%s'\n",
6806 if (i == 0 && cyls != 0) {
6807 bdrv_set_geometry_hint(bs_table[i], cyls, heads, secs);
6808 bdrv_set_translation_hint(bs_table[i], translation);
6813 /* we always create at least one floppy disk */
6814 fd_table[0] = bdrv_new("fda");
6815 bdrv_set_type_hint(fd_table[0], BDRV_TYPE_FLOPPY);
6817 for(i = 0; i < MAX_FD; i++) {
6818 if (fd_filename[i]) {
6821 snprintf(buf, sizeof(buf), "fd%c", i + 'a');
6822 fd_table[i] = bdrv_new(buf);
6823 bdrv_set_type_hint(fd_table[i], BDRV_TYPE_FLOPPY);
6825 if (fd_filename[i] != '\0') {
6826 if (bdrv_open(fd_table[i], fd_filename[i],
6827 snapshot ? BDRV_O_SNAPSHOT : 0) < 0) {
6828 fprintf(stderr, "qemu: could not open floppy disk image '%s'\n",
6836 register_savevm("timer", 0, 2, timer_save, timer_load, NULL);
6837 register_savevm("ram", 0, 2, ram_save, ram_load, NULL);
6843 dumb_display_init(ds);
6844 } else if (vnc_display != -1) {
6845 vnc_display_init(ds, vnc_display);
6847 #if defined(CONFIG_SDL)
6848 sdl_display_init(ds, full_screen);
6849 #elif defined(CONFIG_COCOA)
6850 cocoa_display_init(ds, full_screen);
6852 dumb_display_init(ds);
6856 monitor_hd = qemu_chr_open(monitor_device);
6858 fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device);
6861 monitor_init(monitor_hd, !nographic);
6863 for(i = 0; i < MAX_SERIAL_PORTS; i++) {
6864 const char *devname = serial_devices[i];
6865 if (devname[0] != '\0' && strcmp(devname, "none")) {
6866 serial_hds[i] = qemu_chr_open(devname);
6867 if (!serial_hds[i]) {
6868 fprintf(stderr, "qemu: could not open serial device '%s'\n",
6872 if (!strcmp(devname, "vc"))
6873 qemu_chr_printf(serial_hds[i], "serial%d console\r\n", i);
6877 for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
6878 const char *devname = parallel_devices[i];
6879 if (devname[0] != '\0' && strcmp(devname, "none")) {
6880 parallel_hds[i] = qemu_chr_open(devname);
6881 if (!parallel_hds[i]) {
6882 fprintf(stderr, "qemu: could not open parallel device '%s'\n",
6886 if (!strcmp(devname, "vc"))
6887 qemu_chr_printf(parallel_hds[i], "parallel%d console\r\n", i);
6891 machine->init(ram_size, vga_ram_size, boot_device,
6892 ds, fd_filename, snapshot,
6893 kernel_filename, kernel_cmdline, initrd_filename);
6895 /* init USB devices */
6897 for(i = 0; i < usb_devices_index; i++) {
6898 if (usb_device_add(usb_devices[i]) < 0) {
6899 fprintf(stderr, "Warning: could not add USB device %s\n",
6905 gui_timer = qemu_new_timer(rt_clock, gui_update, NULL);
6906 qemu_mod_timer(gui_timer, qemu_get_clock(rt_clock));
6908 #ifdef CONFIG_GDBSTUB
6910 if (gdbserver_start(gdbstub_port) < 0) {
6911 fprintf(stderr, "Could not open gdbserver socket on port %d\n",
6915 printf("Waiting gdb connection on port %d\n", gdbstub_port);
6923 /* XXX: simplify init */
6925 if (start_emulation) {