4 * Copyright (c) 2003-2008 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
25 #include "hw/boards.h"
27 #include "hw/pcmcia.h"
29 #include "hw/audiodev.h"
36 #include "qemu-timer.h"
37 #include "qemu-char.h"
39 #include "audio/audio.h"
50 #include <sys/times.h>
55 #include <sys/ioctl.h>
56 #include <sys/socket.h>
57 #include <netinet/in.h>
60 #include <sys/select.h>
61 #include <arpa/inet.h>
67 #elif defined (__GLIBC__) && defined (__FreeBSD_kernel__)
68 #include <freebsd/stdlib.h>
72 #include <linux/if_tun.h>
75 #include <linux/rtc.h>
77 /* For the benefit of older linux systems which don't supply it,
78 we use a local copy of hpet.h. */
79 /* #include <linux/hpet.h> */
82 #include <linux/ppdev.h>
83 #include <linux/parport.h>
86 #include <sys/ethernet.h>
87 #include <sys/sockio.h>
88 #include <netinet/arp.h>
89 #include <netinet/in.h>
90 #include <netinet/in_systm.h>
91 #include <netinet/ip.h>
92 #include <netinet/ip_icmp.h> // must come after ip.h
93 #include <netinet/udp.h>
94 #include <netinet/tcp.h>
101 #include <winsock2.h>
102 int inet_aton(const char *cp, struct in_addr *ia);
105 #if defined(CONFIG_SLIRP)
106 #include "libslirp.h"
111 #include <sys/timeb.h>
112 #include <mmsystem.h>
113 #define getopt_long_only getopt_long
114 #define memalign(align, size) malloc(size)
117 #include "qemu_socket.h"
123 #endif /* CONFIG_SDL */
127 #define main qemu_main
128 #endif /* CONFIG_COCOA */
132 #include "exec-all.h"
134 #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
135 #define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown"
137 #define SMBD_COMMAND "/usr/sfw/sbin/smbd"
139 #define SMBD_COMMAND "/usr/sbin/smbd"
142 //#define DEBUG_UNUSED_IOPORT
143 //#define DEBUG_IOPORT
146 #define DEFAULT_RAM_SIZE 144
148 #define DEFAULT_RAM_SIZE 128
151 #define GUI_REFRESH_INTERVAL 30
153 /* Max number of USB devices that can be specified on the commandline. */
154 #define MAX_USB_CMDLINE 8
156 /* XXX: use a two level table to limit memory usage */
157 #define MAX_IOPORTS 65536
159 const char *bios_dir = CONFIG_QEMU_SHAREDIR;
160 const char *bios_name = NULL;
161 void *ioport_opaque[MAX_IOPORTS];
162 IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS];
163 IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS];
164 /* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available
165 to store the VM snapshots */
166 DriveInfo drives_table[MAX_DRIVES+1];
168 /* point to the block driver where the snapshots are managed */
169 BlockDriverState *bs_snapshots;
171 static DisplayState display_state;
174 const char* keyboard_layout = NULL;
175 int64_t ticks_per_sec;
177 int pit_min_timer_count = 0;
179 NICInfo nd_table[MAX_NICS];
181 static int rtc_utc = 1;
182 static int rtc_date_offset = -1; /* -1 means no change */
183 int cirrus_vga_enabled = 1;
184 int vmsvga_enabled = 0;
186 int graphic_width = 1024;
187 int graphic_height = 768;
188 int graphic_depth = 8;
190 int graphic_width = 800;
191 int graphic_height = 600;
192 int graphic_depth = 15;
197 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
198 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
200 int win2k_install_hack = 0;
203 static VLANState *first_vlan;
205 const char *vnc_display;
206 #if defined(TARGET_SPARC)
208 #elif defined(TARGET_I386)
213 int acpi_enabled = 1;
218 int graphic_rotate = 0;
220 const char *option_rom[MAX_OPTION_ROMS];
222 int semihosting_enabled = 0;
227 const char *qemu_name;
230 unsigned int nb_prom_envs = 0;
231 const char *prom_envs[MAX_PROM_ENVS];
237 } drives_opt[MAX_DRIVES];
239 static CPUState *cur_cpu;
240 static CPUState *next_cpu;
241 static int event_pending = 1;
243 #define TFR(expr) do { if ((expr) != -1) break; } while (errno == EINTR)
245 /***********************************************************/
246 /* x86 ISA bus support */
248 target_phys_addr_t isa_mem_base = 0;
251 static uint32_t default_ioport_readb(void *opaque, uint32_t address)
253 #ifdef DEBUG_UNUSED_IOPORT
254 fprintf(stderr, "unused inb: port=0x%04x\n", address);
259 static void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data)
261 #ifdef DEBUG_UNUSED_IOPORT
262 fprintf(stderr, "unused outb: port=0x%04x data=0x%02x\n", address, data);
266 /* default is to make two byte accesses */
267 static uint32_t default_ioport_readw(void *opaque, uint32_t address)
270 data = ioport_read_table[0][address](ioport_opaque[address], address);
271 address = (address + 1) & (MAX_IOPORTS - 1);
272 data |= ioport_read_table[0][address](ioport_opaque[address], address) << 8;
276 static void default_ioport_writew(void *opaque, uint32_t address, uint32_t data)
278 ioport_write_table[0][address](ioport_opaque[address], address, data & 0xff);
279 address = (address + 1) & (MAX_IOPORTS - 1);
280 ioport_write_table[0][address](ioport_opaque[address], address, (data >> 8) & 0xff);
283 static uint32_t default_ioport_readl(void *opaque, uint32_t address)
285 #ifdef DEBUG_UNUSED_IOPORT
286 fprintf(stderr, "unused inl: port=0x%04x\n", address);
291 static void default_ioport_writel(void *opaque, uint32_t address, uint32_t data)
293 #ifdef DEBUG_UNUSED_IOPORT
294 fprintf(stderr, "unused outl: port=0x%04x data=0x%02x\n", address, data);
298 static void init_ioports(void)
302 for(i = 0; i < MAX_IOPORTS; i++) {
303 ioport_read_table[0][i] = default_ioport_readb;
304 ioport_write_table[0][i] = default_ioport_writeb;
305 ioport_read_table[1][i] = default_ioport_readw;
306 ioport_write_table[1][i] = default_ioport_writew;
307 ioport_read_table[2][i] = default_ioport_readl;
308 ioport_write_table[2][i] = default_ioport_writel;
312 /* size is the word size in byte */
313 int register_ioport_read(int start, int length, int size,
314 IOPortReadFunc *func, void *opaque)
320 } else if (size == 2) {
322 } else if (size == 4) {
325 hw_error("register_ioport_read: invalid size");
328 for(i = start; i < start + length; i += size) {
329 ioport_read_table[bsize][i] = func;
330 if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
331 hw_error("register_ioport_read: invalid opaque");
332 ioport_opaque[i] = opaque;
337 /* size is the word size in byte */
338 int register_ioport_write(int start, int length, int size,
339 IOPortWriteFunc *func, void *opaque)
345 } else if (size == 2) {
347 } else if (size == 4) {
350 hw_error("register_ioport_write: invalid size");
353 for(i = start; i < start + length; i += size) {
354 ioport_write_table[bsize][i] = func;
355 if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
356 hw_error("register_ioport_write: invalid opaque");
357 ioport_opaque[i] = opaque;
362 void isa_unassign_ioport(int start, int length)
366 for(i = start; i < start + length; i++) {
367 ioport_read_table[0][i] = default_ioport_readb;
368 ioport_read_table[1][i] = default_ioport_readw;
369 ioport_read_table[2][i] = default_ioport_readl;
371 ioport_write_table[0][i] = default_ioport_writeb;
372 ioport_write_table[1][i] = default_ioport_writew;
373 ioport_write_table[2][i] = default_ioport_writel;
377 /***********************************************************/
379 void cpu_outb(CPUState *env, int addr, int val)
382 if (loglevel & CPU_LOG_IOPORT)
383 fprintf(logfile, "outb: %04x %02x\n", addr, val);
385 ioport_write_table[0][addr](ioport_opaque[addr], addr, val);
388 env->last_io_time = cpu_get_time_fast();
392 void cpu_outw(CPUState *env, int addr, int val)
395 if (loglevel & CPU_LOG_IOPORT)
396 fprintf(logfile, "outw: %04x %04x\n", addr, val);
398 ioport_write_table[1][addr](ioport_opaque[addr], addr, val);
401 env->last_io_time = cpu_get_time_fast();
405 void cpu_outl(CPUState *env, int addr, int val)
408 if (loglevel & CPU_LOG_IOPORT)
409 fprintf(logfile, "outl: %04x %08x\n", addr, val);
411 ioport_write_table[2][addr](ioport_opaque[addr], addr, val);
414 env->last_io_time = cpu_get_time_fast();
418 int cpu_inb(CPUState *env, int addr)
421 val = ioport_read_table[0][addr](ioport_opaque[addr], addr);
423 if (loglevel & CPU_LOG_IOPORT)
424 fprintf(logfile, "inb : %04x %02x\n", addr, val);
428 env->last_io_time = cpu_get_time_fast();
433 int cpu_inw(CPUState *env, int addr)
436 val = ioport_read_table[1][addr](ioport_opaque[addr], addr);
438 if (loglevel & CPU_LOG_IOPORT)
439 fprintf(logfile, "inw : %04x %04x\n", addr, val);
443 env->last_io_time = cpu_get_time_fast();
448 int cpu_inl(CPUState *env, int addr)
451 val = ioport_read_table[2][addr](ioport_opaque[addr], addr);
453 if (loglevel & CPU_LOG_IOPORT)
454 fprintf(logfile, "inl : %04x %08x\n", addr, val);
458 env->last_io_time = cpu_get_time_fast();
463 /***********************************************************/
464 void hw_error(const char *fmt, ...)
470 fprintf(stderr, "qemu: hardware error: ");
471 vfprintf(stderr, fmt, ap);
472 fprintf(stderr, "\n");
473 for(env = first_cpu; env != NULL; env = env->next_cpu) {
474 fprintf(stderr, "CPU #%d:\n", env->cpu_index);
476 cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU);
478 cpu_dump_state(env, stderr, fprintf, 0);
485 /***********************************************************/
488 static QEMUPutKBDEvent *qemu_put_kbd_event;
489 static void *qemu_put_kbd_event_opaque;
490 static QEMUPutMouseEntry *qemu_put_mouse_event_head;
491 static QEMUPutMouseEntry *qemu_put_mouse_event_current;
493 void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
495 qemu_put_kbd_event_opaque = opaque;
496 qemu_put_kbd_event = func;
499 QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func,
500 void *opaque, int absolute,
503 QEMUPutMouseEntry *s, *cursor;
505 s = qemu_mallocz(sizeof(QEMUPutMouseEntry));
509 s->qemu_put_mouse_event = func;
510 s->qemu_put_mouse_event_opaque = opaque;
511 s->qemu_put_mouse_event_absolute = absolute;
512 s->qemu_put_mouse_event_name = qemu_strdup(name);
515 if (!qemu_put_mouse_event_head) {
516 qemu_put_mouse_event_head = qemu_put_mouse_event_current = s;
520 cursor = qemu_put_mouse_event_head;
521 while (cursor->next != NULL)
522 cursor = cursor->next;
525 qemu_put_mouse_event_current = s;
530 void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry)
532 QEMUPutMouseEntry *prev = NULL, *cursor;
534 if (!qemu_put_mouse_event_head || entry == NULL)
537 cursor = qemu_put_mouse_event_head;
538 while (cursor != NULL && cursor != entry) {
540 cursor = cursor->next;
543 if (cursor == NULL) // does not exist or list empty
545 else if (prev == NULL) { // entry is head
546 qemu_put_mouse_event_head = cursor->next;
547 if (qemu_put_mouse_event_current == entry)
548 qemu_put_mouse_event_current = cursor->next;
549 qemu_free(entry->qemu_put_mouse_event_name);
554 prev->next = entry->next;
556 if (qemu_put_mouse_event_current == entry)
557 qemu_put_mouse_event_current = prev;
559 qemu_free(entry->qemu_put_mouse_event_name);
563 void kbd_put_keycode(int keycode)
565 if (qemu_put_kbd_event) {
566 qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode);
570 void kbd_mouse_event(int dx, int dy, int dz, int buttons_state)
572 QEMUPutMouseEvent *mouse_event;
573 void *mouse_event_opaque;
576 if (!qemu_put_mouse_event_current) {
581 qemu_put_mouse_event_current->qemu_put_mouse_event;
583 qemu_put_mouse_event_current->qemu_put_mouse_event_opaque;
586 if (graphic_rotate) {
587 if (qemu_put_mouse_event_current->qemu_put_mouse_event_absolute)
590 width = graphic_width - 1;
591 mouse_event(mouse_event_opaque,
592 width - dy, dx, dz, buttons_state);
594 mouse_event(mouse_event_opaque,
595 dx, dy, dz, buttons_state);
599 int kbd_mouse_is_absolute(void)
601 if (!qemu_put_mouse_event_current)
604 return qemu_put_mouse_event_current->qemu_put_mouse_event_absolute;
607 void do_info_mice(void)
609 QEMUPutMouseEntry *cursor;
612 if (!qemu_put_mouse_event_head) {
613 term_printf("No mouse devices connected\n");
617 term_printf("Mouse devices available:\n");
618 cursor = qemu_put_mouse_event_head;
619 while (cursor != NULL) {
620 term_printf("%c Mouse #%d: %s\n",
621 (cursor == qemu_put_mouse_event_current ? '*' : ' '),
622 index, cursor->qemu_put_mouse_event_name);
624 cursor = cursor->next;
628 void do_mouse_set(int index)
630 QEMUPutMouseEntry *cursor;
633 if (!qemu_put_mouse_event_head) {
634 term_printf("No mouse devices connected\n");
638 cursor = qemu_put_mouse_event_head;
639 while (cursor != NULL && index != i) {
641 cursor = cursor->next;
645 qemu_put_mouse_event_current = cursor;
647 term_printf("Mouse at given index not found\n");
650 /* compute with 96 bit intermediate result: (a*b)/c */
651 uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
656 #ifdef WORDS_BIGENDIAN
666 rl = (uint64_t)u.l.low * (uint64_t)b;
667 rh = (uint64_t)u.l.high * (uint64_t)b;
670 res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
674 /***********************************************************/
675 /* real time host monotonic timer */
677 #define QEMU_TIMER_BASE 1000000000LL
681 static int64_t clock_freq;
683 static void init_get_clock(void)
687 ret = QueryPerformanceFrequency(&freq);
689 fprintf(stderr, "Could not calibrate ticks\n");
692 clock_freq = freq.QuadPart;
695 static int64_t get_clock(void)
698 QueryPerformanceCounter(&ti);
699 return muldiv64(ti.QuadPart, QEMU_TIMER_BASE, clock_freq);
704 static int use_rt_clock;
706 static void init_get_clock(void)
709 #if defined(__linux__)
712 if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) {
719 static int64_t get_clock(void)
721 #if defined(__linux__)
724 clock_gettime(CLOCK_MONOTONIC, &ts);
725 return ts.tv_sec * 1000000000LL + ts.tv_nsec;
729 /* XXX: using gettimeofday leads to problems if the date
730 changes, so it should be avoided. */
732 gettimeofday(&tv, NULL);
733 return tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000);
739 /***********************************************************/
740 /* guest cycle counter */
742 static int64_t cpu_ticks_prev;
743 static int64_t cpu_ticks_offset;
744 static int64_t cpu_clock_offset;
745 static int cpu_ticks_enabled;
747 /* return the host CPU cycle counter and handle stop/restart */
748 int64_t cpu_get_ticks(void)
750 if (!cpu_ticks_enabled) {
751 return cpu_ticks_offset;
754 ticks = cpu_get_real_ticks();
755 if (cpu_ticks_prev > ticks) {
756 /* Note: non increasing ticks may happen if the host uses
758 cpu_ticks_offset += cpu_ticks_prev - ticks;
760 cpu_ticks_prev = ticks;
761 return ticks + cpu_ticks_offset;
765 /* return the host CPU monotonic timer and handle stop/restart */
766 static int64_t cpu_get_clock(void)
769 if (!cpu_ticks_enabled) {
770 return cpu_clock_offset;
773 return ti + cpu_clock_offset;
777 /* enable cpu_get_ticks() */
778 void cpu_enable_ticks(void)
780 if (!cpu_ticks_enabled) {
781 cpu_ticks_offset -= cpu_get_real_ticks();
782 cpu_clock_offset -= get_clock();
783 cpu_ticks_enabled = 1;
787 /* disable cpu_get_ticks() : the clock is stopped. You must not call
788 cpu_get_ticks() after that. */
789 void cpu_disable_ticks(void)
791 if (cpu_ticks_enabled) {
792 cpu_ticks_offset = cpu_get_ticks();
793 cpu_clock_offset = cpu_get_clock();
794 cpu_ticks_enabled = 0;
798 /***********************************************************/
801 #define QEMU_TIMER_REALTIME 0
802 #define QEMU_TIMER_VIRTUAL 1
806 /* XXX: add frequency */
814 struct QEMUTimer *next;
817 struct qemu_alarm_timer {
821 int (*start)(struct qemu_alarm_timer *t);
822 void (*stop)(struct qemu_alarm_timer *t);
823 void (*rearm)(struct qemu_alarm_timer *t);
827 #define ALARM_FLAG_DYNTICKS 0x1
828 #define ALARM_FLAG_EXPIRED 0x2
830 static inline int alarm_has_dynticks(struct qemu_alarm_timer *t)
832 return t->flags & ALARM_FLAG_DYNTICKS;
835 static void qemu_rearm_alarm_timer(struct qemu_alarm_timer *t)
837 if (!alarm_has_dynticks(t))
843 /* TODO: MIN_TIMER_REARM_US should be optimized */
844 #define MIN_TIMER_REARM_US 250
846 static struct qemu_alarm_timer *alarm_timer;
850 struct qemu_alarm_win32 {
854 } alarm_win32_data = {0, NULL, -1};
856 static int win32_start_timer(struct qemu_alarm_timer *t);
857 static void win32_stop_timer(struct qemu_alarm_timer *t);
858 static void win32_rearm_timer(struct qemu_alarm_timer *t);
862 static int unix_start_timer(struct qemu_alarm_timer *t);
863 static void unix_stop_timer(struct qemu_alarm_timer *t);
867 static int dynticks_start_timer(struct qemu_alarm_timer *t);
868 static void dynticks_stop_timer(struct qemu_alarm_timer *t);
869 static void dynticks_rearm_timer(struct qemu_alarm_timer *t);
871 static int hpet_start_timer(struct qemu_alarm_timer *t);
872 static void hpet_stop_timer(struct qemu_alarm_timer *t);
874 static int rtc_start_timer(struct qemu_alarm_timer *t);
875 static void rtc_stop_timer(struct qemu_alarm_timer *t);
877 #endif /* __linux__ */
881 static struct qemu_alarm_timer alarm_timers[] = {
884 {"dynticks", ALARM_FLAG_DYNTICKS, dynticks_start_timer,
885 dynticks_stop_timer, dynticks_rearm_timer, NULL},
886 /* HPET - if available - is preferred */
887 {"hpet", 0, hpet_start_timer, hpet_stop_timer, NULL, NULL},
888 /* ...otherwise try RTC */
889 {"rtc", 0, rtc_start_timer, rtc_stop_timer, NULL, NULL},
891 {"unix", 0, unix_start_timer, unix_stop_timer, NULL, NULL},
893 {"dynticks", ALARM_FLAG_DYNTICKS, win32_start_timer,
894 win32_stop_timer, win32_rearm_timer, &alarm_win32_data},
895 {"win32", 0, win32_start_timer,
896 win32_stop_timer, NULL, &alarm_win32_data},
901 static void show_available_alarms(void)
905 printf("Available alarm timers, in order of precedence:\n");
906 for (i = 0; alarm_timers[i].name; i++)
907 printf("%s\n", alarm_timers[i].name);
910 static void configure_alarms(char const *opt)
914 int count = (sizeof(alarm_timers) / sizeof(*alarm_timers)) - 1;
918 if (!strcmp(opt, "?")) {
919 show_available_alarms();
925 /* Reorder the array */
926 name = strtok(arg, ",");
928 struct qemu_alarm_timer tmp;
930 for (i = 0; i < count && alarm_timers[i].name; i++) {
931 if (!strcmp(alarm_timers[i].name, name))
936 fprintf(stderr, "Unknown clock %s\n", name);
945 tmp = alarm_timers[i];
946 alarm_timers[i] = alarm_timers[cur];
947 alarm_timers[cur] = tmp;
951 name = strtok(NULL, ",");
957 /* Disable remaining timers */
958 for (i = cur; i < count; i++)
959 alarm_timers[i].name = NULL;
961 show_available_alarms();
969 static QEMUTimer *active_timers[2];
971 static QEMUClock *qemu_new_clock(int type)
974 clock = qemu_mallocz(sizeof(QEMUClock));
981 QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque)
985 ts = qemu_mallocz(sizeof(QEMUTimer));
992 void qemu_free_timer(QEMUTimer *ts)
997 /* stop a timer, but do not dealloc it */
998 void qemu_del_timer(QEMUTimer *ts)
1002 /* NOTE: this code must be signal safe because
1003 qemu_timer_expired() can be called from a signal. */
1004 pt = &active_timers[ts->clock->type];
1017 /* modify the current timer so that it will be fired when current_time
1018 >= expire_time. The corresponding callback will be called. */
1019 void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time)
1025 /* add the timer in the sorted list */
1026 /* NOTE: this code must be signal safe because
1027 qemu_timer_expired() can be called from a signal. */
1028 pt = &active_timers[ts->clock->type];
1033 if (t->expire_time > expire_time)
1037 ts->expire_time = expire_time;
1041 /* Rearm if necessary */
1042 if ((alarm_timer->flags & ALARM_FLAG_EXPIRED) == 0 &&
1043 pt == &active_timers[ts->clock->type])
1044 qemu_rearm_alarm_timer(alarm_timer);
1047 int qemu_timer_pending(QEMUTimer *ts)
1050 for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) {
1057 static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time)
1061 return (timer_head->expire_time <= current_time);
1064 static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time)
1070 if (!ts || ts->expire_time > current_time)
1072 /* remove timer from the list before calling the callback */
1073 *ptimer_head = ts->next;
1076 /* run the callback (the timer list can be modified) */
1081 int64_t qemu_get_clock(QEMUClock *clock)
1083 switch(clock->type) {
1084 case QEMU_TIMER_REALTIME:
1085 return get_clock() / 1000000;
1087 case QEMU_TIMER_VIRTUAL:
1088 return cpu_get_clock();
1092 static void init_timers(void)
1095 ticks_per_sec = QEMU_TIMER_BASE;
1096 rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME);
1097 vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL);
1101 void qemu_put_timer(QEMUFile *f, QEMUTimer *ts)
1103 uint64_t expire_time;
1105 if (qemu_timer_pending(ts)) {
1106 expire_time = ts->expire_time;
1110 qemu_put_be64(f, expire_time);
1113 void qemu_get_timer(QEMUFile *f, QEMUTimer *ts)
1115 uint64_t expire_time;
1117 expire_time = qemu_get_be64(f);
1118 if (expire_time != -1) {
1119 qemu_mod_timer(ts, expire_time);
1125 static void timer_save(QEMUFile *f, void *opaque)
1127 if (cpu_ticks_enabled) {
1128 hw_error("cannot save state if virtual timers are running");
1130 qemu_put_be64(f, cpu_ticks_offset);
1131 qemu_put_be64(f, ticks_per_sec);
1132 qemu_put_be64(f, cpu_clock_offset);
1135 static int timer_load(QEMUFile *f, void *opaque, int version_id)
1137 if (version_id != 1 && version_id != 2)
1139 if (cpu_ticks_enabled) {
1142 cpu_ticks_offset=qemu_get_be64(f);
1143 ticks_per_sec=qemu_get_be64(f);
1144 if (version_id == 2) {
1145 cpu_clock_offset=qemu_get_be64(f);
1151 void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg,
1152 DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2)
1154 static void host_alarm_handler(int host_signum)
1158 #define DISP_FREQ 1000
1160 static int64_t delta_min = INT64_MAX;
1161 static int64_t delta_max, delta_cum, last_clock, delta, ti;
1163 ti = qemu_get_clock(vm_clock);
1164 if (last_clock != 0) {
1165 delta = ti - last_clock;
1166 if (delta < delta_min)
1168 if (delta > delta_max)
1171 if (++count == DISP_FREQ) {
1172 printf("timer: min=%" PRId64 " us max=%" PRId64 " us avg=%" PRId64 " us avg_freq=%0.3f Hz\n",
1173 muldiv64(delta_min, 1000000, ticks_per_sec),
1174 muldiv64(delta_max, 1000000, ticks_per_sec),
1175 muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec),
1176 (double)ticks_per_sec / ((double)delta_cum / DISP_FREQ));
1178 delta_min = INT64_MAX;
1186 if (alarm_has_dynticks(alarm_timer) ||
1187 qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL],
1188 qemu_get_clock(vm_clock)) ||
1189 qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME],
1190 qemu_get_clock(rt_clock))) {
1192 struct qemu_alarm_win32 *data = ((struct qemu_alarm_timer*)dwUser)->priv;
1193 SetEvent(data->host_alarm);
1195 CPUState *env = next_cpu;
1197 alarm_timer->flags |= ALARM_FLAG_EXPIRED;
1200 /* stop the currently executing cpu because a timer occured */
1201 cpu_interrupt(env, CPU_INTERRUPT_EXIT);
1203 if (env->kqemu_enabled) {
1204 kqemu_cpu_interrupt(env);
1212 static uint64_t qemu_next_deadline(void)
1214 int64_t nearest_delta_us = INT64_MAX;
1217 if (active_timers[QEMU_TIMER_REALTIME])
1218 nearest_delta_us = (active_timers[QEMU_TIMER_REALTIME]->expire_time -
1219 qemu_get_clock(rt_clock))*1000;
1221 if (active_timers[QEMU_TIMER_VIRTUAL]) {
1223 vmdelta_us = (active_timers[QEMU_TIMER_VIRTUAL]->expire_time -
1224 qemu_get_clock(vm_clock)+999)/1000;
1225 if (vmdelta_us < nearest_delta_us)
1226 nearest_delta_us = vmdelta_us;
1229 /* Avoid arming the timer to negative, zero, or too low values */
1230 if (nearest_delta_us <= MIN_TIMER_REARM_US)
1231 nearest_delta_us = MIN_TIMER_REARM_US;
1233 return nearest_delta_us;
1238 #if defined(__linux__)
1240 #define RTC_FREQ 1024
1242 static void enable_sigio_timer(int fd)
1244 struct sigaction act;
1247 sigfillset(&act.sa_mask);
1249 act.sa_handler = host_alarm_handler;
1251 sigaction(SIGIO, &act, NULL);
1252 fcntl(fd, F_SETFL, O_ASYNC);
1253 fcntl(fd, F_SETOWN, getpid());
1256 static int hpet_start_timer(struct qemu_alarm_timer *t)
1258 struct hpet_info info;
1261 fd = open("/dev/hpet", O_RDONLY);
1266 r = ioctl(fd, HPET_IRQFREQ, RTC_FREQ);
1268 fprintf(stderr, "Could not configure '/dev/hpet' to have a 1024Hz timer. This is not a fatal\n"
1269 "error, but for better emulation accuracy type:\n"
1270 "'echo 1024 > /proc/sys/dev/hpet/max-user-freq' as root.\n");
1274 /* Check capabilities */
1275 r = ioctl(fd, HPET_INFO, &info);
1279 /* Enable periodic mode */
1280 r = ioctl(fd, HPET_EPI, 0);
1281 if (info.hi_flags && (r < 0))
1284 /* Enable interrupt */
1285 r = ioctl(fd, HPET_IE_ON, 0);
1289 enable_sigio_timer(fd);
1290 t->priv = (void *)(long)fd;
1298 static void hpet_stop_timer(struct qemu_alarm_timer *t)
1300 int fd = (long)t->priv;
1305 static int rtc_start_timer(struct qemu_alarm_timer *t)
1308 unsigned long current_rtc_freq = 0;
1310 TFR(rtc_fd = open("/dev/rtc", O_RDONLY));
1313 ioctl(rtc_fd, RTC_IRQP_READ, ¤t_rtc_freq);
1314 if (current_rtc_freq != RTC_FREQ &&
1315 ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) {
1316 fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
1317 "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
1318 "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
1321 if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) {
1327 enable_sigio_timer(rtc_fd);
1329 t->priv = (void *)(long)rtc_fd;
1334 static void rtc_stop_timer(struct qemu_alarm_timer *t)
1336 int rtc_fd = (long)t->priv;
1341 static int dynticks_start_timer(struct qemu_alarm_timer *t)
1345 struct sigaction act;
1347 sigfillset(&act.sa_mask);
1349 act.sa_handler = host_alarm_handler;
1351 sigaction(SIGALRM, &act, NULL);
1353 ev.sigev_value.sival_int = 0;
1354 ev.sigev_notify = SIGEV_SIGNAL;
1355 ev.sigev_signo = SIGALRM;
1357 if (timer_create(CLOCK_REALTIME, &ev, &host_timer)) {
1358 perror("timer_create");
1360 /* disable dynticks */
1361 fprintf(stderr, "Dynamic Ticks disabled\n");
1366 t->priv = (void *)host_timer;
1371 static void dynticks_stop_timer(struct qemu_alarm_timer *t)
1373 timer_t host_timer = (timer_t)t->priv;
1375 timer_delete(host_timer);
1378 static void dynticks_rearm_timer(struct qemu_alarm_timer *t)
1380 timer_t host_timer = (timer_t)t->priv;
1381 struct itimerspec timeout;
1382 int64_t nearest_delta_us = INT64_MAX;
1385 if (!active_timers[QEMU_TIMER_REALTIME] &&
1386 !active_timers[QEMU_TIMER_VIRTUAL])
1389 nearest_delta_us = qemu_next_deadline();
1391 /* check whether a timer is already running */
1392 if (timer_gettime(host_timer, &timeout)) {
1394 fprintf(stderr, "Internal timer error: aborting\n");
1397 current_us = timeout.it_value.tv_sec * 1000000 + timeout.it_value.tv_nsec/1000;
1398 if (current_us && current_us <= nearest_delta_us)
1401 timeout.it_interval.tv_sec = 0;
1402 timeout.it_interval.tv_nsec = 0; /* 0 for one-shot timer */
1403 timeout.it_value.tv_sec = nearest_delta_us / 1000000;
1404 timeout.it_value.tv_nsec = (nearest_delta_us % 1000000) * 1000;
1405 if (timer_settime(host_timer, 0 /* RELATIVE */, &timeout, NULL)) {
1407 fprintf(stderr, "Internal timer error: aborting\n");
1412 #endif /* defined(__linux__) */
1414 static int unix_start_timer(struct qemu_alarm_timer *t)
1416 struct sigaction act;
1417 struct itimerval itv;
1421 sigfillset(&act.sa_mask);
1423 act.sa_handler = host_alarm_handler;
1425 sigaction(SIGALRM, &act, NULL);
1427 itv.it_interval.tv_sec = 0;
1428 /* for i386 kernel 2.6 to get 1 ms */
1429 itv.it_interval.tv_usec = 999;
1430 itv.it_value.tv_sec = 0;
1431 itv.it_value.tv_usec = 10 * 1000;
1433 err = setitimer(ITIMER_REAL, &itv, NULL);
1440 static void unix_stop_timer(struct qemu_alarm_timer *t)
1442 struct itimerval itv;
1444 memset(&itv, 0, sizeof(itv));
1445 setitimer(ITIMER_REAL, &itv, NULL);
1448 #endif /* !defined(_WIN32) */
1452 static int win32_start_timer(struct qemu_alarm_timer *t)
1455 struct qemu_alarm_win32 *data = t->priv;
1458 data->host_alarm = CreateEvent(NULL, FALSE, FALSE, NULL);
1459 if (!data->host_alarm) {
1460 perror("Failed CreateEvent");
1464 memset(&tc, 0, sizeof(tc));
1465 timeGetDevCaps(&tc, sizeof(tc));
1467 if (data->period < tc.wPeriodMin)
1468 data->period = tc.wPeriodMin;
1470 timeBeginPeriod(data->period);
1472 flags = TIME_CALLBACK_FUNCTION;
1473 if (alarm_has_dynticks(t))
1474 flags |= TIME_ONESHOT;
1476 flags |= TIME_PERIODIC;
1478 data->timerId = timeSetEvent(1, // interval (ms)
1479 data->period, // resolution
1480 host_alarm_handler, // function
1481 (DWORD)t, // parameter
1484 if (!data->timerId) {
1485 perror("Failed to initialize win32 alarm timer");
1487 timeEndPeriod(data->period);
1488 CloseHandle(data->host_alarm);
1492 qemu_add_wait_object(data->host_alarm, NULL, NULL);
1497 static void win32_stop_timer(struct qemu_alarm_timer *t)
1499 struct qemu_alarm_win32 *data = t->priv;
1501 timeKillEvent(data->timerId);
1502 timeEndPeriod(data->period);
1504 CloseHandle(data->host_alarm);
1507 static void win32_rearm_timer(struct qemu_alarm_timer *t)
1509 struct qemu_alarm_win32 *data = t->priv;
1510 uint64_t nearest_delta_us;
1512 if (!active_timers[QEMU_TIMER_REALTIME] &&
1513 !active_timers[QEMU_TIMER_VIRTUAL])
1516 nearest_delta_us = qemu_next_deadline();
1517 nearest_delta_us /= 1000;
1519 timeKillEvent(data->timerId);
1521 data->timerId = timeSetEvent(1,
1525 TIME_ONESHOT | TIME_PERIODIC);
1527 if (!data->timerId) {
1528 perror("Failed to re-arm win32 alarm timer");
1530 timeEndPeriod(data->period);
1531 CloseHandle(data->host_alarm);
1538 static void init_timer_alarm(void)
1540 struct qemu_alarm_timer *t;
1543 for (i = 0; alarm_timers[i].name; i++) {
1544 t = &alarm_timers[i];
1552 fprintf(stderr, "Unable to find any suitable alarm timer.\n");
1553 fprintf(stderr, "Terminating\n");
1560 static void quit_timers(void)
1562 alarm_timer->stop(alarm_timer);
1566 /***********************************************************/
1567 /* host time/date access */
1568 void qemu_get_timedate(struct tm *tm, int offset)
1575 if (rtc_date_offset == -1) {
1579 ret = localtime(&ti);
1581 ti -= rtc_date_offset;
1585 memcpy(tm, ret, sizeof(struct tm));
1588 int qemu_timedate_diff(struct tm *tm)
1592 if (rtc_date_offset == -1)
1594 seconds = mktimegm(tm);
1596 seconds = mktime(tm);
1598 seconds = mktimegm(tm) + rtc_date_offset;
1600 return seconds - time(NULL);
1603 /***********************************************************/
1604 /* character device */
1606 static void qemu_chr_event(CharDriverState *s, int event)
1610 s->chr_event(s->handler_opaque, event);
1613 static void qemu_chr_reset_bh(void *opaque)
1615 CharDriverState *s = opaque;
1616 qemu_chr_event(s, CHR_EVENT_RESET);
1617 qemu_bh_delete(s->bh);
1621 void qemu_chr_reset(CharDriverState *s)
1623 if (s->bh == NULL) {
1624 s->bh = qemu_bh_new(qemu_chr_reset_bh, s);
1625 qemu_bh_schedule(s->bh);
1629 int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len)
1631 return s->chr_write(s, buf, len);
1634 int qemu_chr_ioctl(CharDriverState *s, int cmd, void *arg)
1638 return s->chr_ioctl(s, cmd, arg);
1641 int qemu_chr_can_read(CharDriverState *s)
1643 if (!s->chr_can_read)
1645 return s->chr_can_read(s->handler_opaque);
1648 void qemu_chr_read(CharDriverState *s, uint8_t *buf, int len)
1650 s->chr_read(s->handler_opaque, buf, len);
1653 void qemu_chr_accept_input(CharDriverState *s)
1655 if (s->chr_accept_input)
1656 s->chr_accept_input(s);
1659 void qemu_chr_printf(CharDriverState *s, const char *fmt, ...)
1664 vsnprintf(buf, sizeof(buf), fmt, ap);
1665 qemu_chr_write(s, (uint8_t *)buf, strlen(buf));
1669 void qemu_chr_send_event(CharDriverState *s, int event)
1671 if (s->chr_send_event)
1672 s->chr_send_event(s, event);
1675 void qemu_chr_add_handlers(CharDriverState *s,
1676 IOCanRWHandler *fd_can_read,
1677 IOReadHandler *fd_read,
1678 IOEventHandler *fd_event,
1681 s->chr_can_read = fd_can_read;
1682 s->chr_read = fd_read;
1683 s->chr_event = fd_event;
1684 s->handler_opaque = opaque;
1685 if (s->chr_update_read_handler)
1686 s->chr_update_read_handler(s);
1689 static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1694 static CharDriverState *qemu_chr_open_null(void)
1696 CharDriverState *chr;
1698 chr = qemu_mallocz(sizeof(CharDriverState));
1701 chr->chr_write = null_chr_write;
1705 /* MUX driver for serial I/O splitting */
1706 static int term_timestamps;
1707 static int64_t term_timestamps_start;
1709 #define MUX_BUFFER_SIZE 32 /* Must be a power of 2. */
1710 #define MUX_BUFFER_MASK (MUX_BUFFER_SIZE - 1)
1712 IOCanRWHandler *chr_can_read[MAX_MUX];
1713 IOReadHandler *chr_read[MAX_MUX];
1714 IOEventHandler *chr_event[MAX_MUX];
1715 void *ext_opaque[MAX_MUX];
1716 CharDriverState *drv;
1717 unsigned char buffer[MUX_BUFFER_SIZE];
1721 int term_got_escape;
1726 static int mux_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1728 MuxDriver *d = chr->opaque;
1730 if (!term_timestamps) {
1731 ret = d->drv->chr_write(d->drv, buf, len);
1736 for(i = 0; i < len; i++) {
1737 ret += d->drv->chr_write(d->drv, buf+i, 1);
1738 if (buf[i] == '\n') {
1744 if (term_timestamps_start == -1)
1745 term_timestamps_start = ti;
1746 ti -= term_timestamps_start;
1747 secs = ti / 1000000000;
1748 snprintf(buf1, sizeof(buf1),
1749 "[%02d:%02d:%02d.%03d] ",
1753 (int)((ti / 1000000) % 1000));
1754 d->drv->chr_write(d->drv, (uint8_t *)buf1, strlen(buf1));
1761 static char *mux_help[] = {
1762 "% h print this help\n\r",
1763 "% x exit emulator\n\r",
1764 "% s save disk data back to file (if -snapshot)\n\r",
1765 "% t toggle console timestamps\n\r"
1766 "% b send break (magic sysrq)\n\r",
1767 "% c switch between console and monitor\n\r",
1772 static int term_escape_char = 0x01; /* ctrl-a is used for escape */
1773 static void mux_print_help(CharDriverState *chr)
1776 char ebuf[15] = "Escape-Char";
1777 char cbuf[50] = "\n\r";
1779 if (term_escape_char > 0 && term_escape_char < 26) {
1780 sprintf(cbuf,"\n\r");
1781 sprintf(ebuf,"C-%c", term_escape_char - 1 + 'a');
1783 sprintf(cbuf,"\n\rEscape-Char set to Ascii: 0x%02x\n\r\n\r",
1786 chr->chr_write(chr, (uint8_t *)cbuf, strlen(cbuf));
1787 for (i = 0; mux_help[i] != NULL; i++) {
1788 for (j=0; mux_help[i][j] != '\0'; j++) {
1789 if (mux_help[i][j] == '%')
1790 chr->chr_write(chr, (uint8_t *)ebuf, strlen(ebuf));
1792 chr->chr_write(chr, (uint8_t *)&mux_help[i][j], 1);
1797 static int mux_proc_byte(CharDriverState *chr, MuxDriver *d, int ch)
1799 if (d->term_got_escape) {
1800 d->term_got_escape = 0;
1801 if (ch == term_escape_char)
1806 mux_print_help(chr);
1810 char *term = "QEMU: Terminated\n\r";
1811 chr->chr_write(chr,(uint8_t *)term,strlen(term));
1818 for (i = 0; i < nb_drives; i++) {
1819 bdrv_commit(drives_table[i].bdrv);
1824 qemu_chr_event(chr, CHR_EVENT_BREAK);
1827 /* Switch to the next registered device */
1829 if (chr->focus >= d->mux_cnt)
1833 term_timestamps = !term_timestamps;
1834 term_timestamps_start = -1;
1837 } else if (ch == term_escape_char) {
1838 d->term_got_escape = 1;
1846 static void mux_chr_accept_input(CharDriverState *chr)
1849 MuxDriver *d = chr->opaque;
1851 while (d->prod != d->cons &&
1852 d->chr_can_read[m] &&
1853 d->chr_can_read[m](d->ext_opaque[m])) {
1854 d->chr_read[m](d->ext_opaque[m],
1855 &d->buffer[d->cons++ & MUX_BUFFER_MASK], 1);
1859 static int mux_chr_can_read(void *opaque)
1861 CharDriverState *chr = opaque;
1862 MuxDriver *d = chr->opaque;
1864 if ((d->prod - d->cons) < MUX_BUFFER_SIZE)
1866 if (d->chr_can_read[chr->focus])
1867 return d->chr_can_read[chr->focus](d->ext_opaque[chr->focus]);
1871 static void mux_chr_read(void *opaque, const uint8_t *buf, int size)
1873 CharDriverState *chr = opaque;
1874 MuxDriver *d = chr->opaque;
1878 mux_chr_accept_input (opaque);
1880 for(i = 0; i < size; i++)
1881 if (mux_proc_byte(chr, d, buf[i])) {
1882 if (d->prod == d->cons &&
1883 d->chr_can_read[m] &&
1884 d->chr_can_read[m](d->ext_opaque[m]))
1885 d->chr_read[m](d->ext_opaque[m], &buf[i], 1);
1887 d->buffer[d->prod++ & MUX_BUFFER_MASK] = buf[i];
1891 static void mux_chr_event(void *opaque, int event)
1893 CharDriverState *chr = opaque;
1894 MuxDriver *d = chr->opaque;
1897 /* Send the event to all registered listeners */
1898 for (i = 0; i < d->mux_cnt; i++)
1899 if (d->chr_event[i])
1900 d->chr_event[i](d->ext_opaque[i], event);
1903 static void mux_chr_update_read_handler(CharDriverState *chr)
1905 MuxDriver *d = chr->opaque;
1907 if (d->mux_cnt >= MAX_MUX) {
1908 fprintf(stderr, "Cannot add I/O handlers, MUX array is full\n");
1911 d->ext_opaque[d->mux_cnt] = chr->handler_opaque;
1912 d->chr_can_read[d->mux_cnt] = chr->chr_can_read;
1913 d->chr_read[d->mux_cnt] = chr->chr_read;
1914 d->chr_event[d->mux_cnt] = chr->chr_event;
1915 /* Fix up the real driver with mux routines */
1916 if (d->mux_cnt == 0) {
1917 qemu_chr_add_handlers(d->drv, mux_chr_can_read, mux_chr_read,
1918 mux_chr_event, chr);
1920 chr->focus = d->mux_cnt;
1924 static CharDriverState *qemu_chr_open_mux(CharDriverState *drv)
1926 CharDriverState *chr;
1929 chr = qemu_mallocz(sizeof(CharDriverState));
1932 d = qemu_mallocz(sizeof(MuxDriver));
1941 chr->chr_write = mux_chr_write;
1942 chr->chr_update_read_handler = mux_chr_update_read_handler;
1943 chr->chr_accept_input = mux_chr_accept_input;
1950 static void socket_cleanup(void)
1955 static int socket_init(void)
1960 ret = WSAStartup(MAKEWORD(2,2), &Data);
1962 err = WSAGetLastError();
1963 fprintf(stderr, "WSAStartup: %d\n", err);
1966 atexit(socket_cleanup);
1970 static int send_all(int fd, const uint8_t *buf, int len1)
1976 ret = send(fd, buf, len, 0);
1979 errno = WSAGetLastError();
1980 if (errno != WSAEWOULDBLOCK) {
1983 } else if (ret == 0) {
1993 void socket_set_nonblock(int fd)
1995 unsigned long opt = 1;
1996 ioctlsocket(fd, FIONBIO, &opt);
2001 static int unix_write(int fd, const uint8_t *buf, int len1)
2007 ret = write(fd, buf, len);
2009 if (errno != EINTR && errno != EAGAIN)
2011 } else if (ret == 0) {
2021 static inline int send_all(int fd, const uint8_t *buf, int len1)
2023 return unix_write(fd, buf, len1);
2026 void socket_set_nonblock(int fd)
2028 fcntl(fd, F_SETFL, O_NONBLOCK);
2030 #endif /* !_WIN32 */
2039 #define STDIO_MAX_CLIENTS 1
2040 static int stdio_nb_clients = 0;
2042 static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
2044 FDCharDriver *s = chr->opaque;
2045 return unix_write(s->fd_out, buf, len);
2048 static int fd_chr_read_poll(void *opaque)
2050 CharDriverState *chr = opaque;
2051 FDCharDriver *s = chr->opaque;
2053 s->max_size = qemu_chr_can_read(chr);
2057 static void fd_chr_read(void *opaque)
2059 CharDriverState *chr = opaque;
2060 FDCharDriver *s = chr->opaque;
2065 if (len > s->max_size)
2069 size = read(s->fd_in, buf, len);
2071 /* FD has been closed. Remove it from the active list. */
2072 qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL);
2076 qemu_chr_read(chr, buf, size);
2080 static void fd_chr_update_read_handler(CharDriverState *chr)
2082 FDCharDriver *s = chr->opaque;
2084 if (s->fd_in >= 0) {
2085 if (nographic && s->fd_in == 0) {
2087 qemu_set_fd_handler2(s->fd_in, fd_chr_read_poll,
2088 fd_chr_read, NULL, chr);
2093 static void fd_chr_close(struct CharDriverState *chr)
2095 FDCharDriver *s = chr->opaque;
2097 if (s->fd_in >= 0) {
2098 if (nographic && s->fd_in == 0) {
2100 qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL);
2107 /* open a character device to a unix fd */
2108 static CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out)
2110 CharDriverState *chr;
2113 chr = qemu_mallocz(sizeof(CharDriverState));
2116 s = qemu_mallocz(sizeof(FDCharDriver));
2124 chr->chr_write = fd_chr_write;
2125 chr->chr_update_read_handler = fd_chr_update_read_handler;
2126 chr->chr_close = fd_chr_close;
2128 qemu_chr_reset(chr);
2133 static CharDriverState *qemu_chr_open_file_out(const char *file_out)
2137 TFR(fd_out = open(file_out, O_WRONLY | O_TRUNC | O_CREAT | O_BINARY, 0666));
2140 return qemu_chr_open_fd(-1, fd_out);
2143 static CharDriverState *qemu_chr_open_pipe(const char *filename)
2146 char filename_in[256], filename_out[256];
2148 snprintf(filename_in, 256, "%s.in", filename);
2149 snprintf(filename_out, 256, "%s.out", filename);
2150 TFR(fd_in = open(filename_in, O_RDWR | O_BINARY));
2151 TFR(fd_out = open(filename_out, O_RDWR | O_BINARY));
2152 if (fd_in < 0 || fd_out < 0) {
2157 TFR(fd_in = fd_out = open(filename, O_RDWR | O_BINARY));
2161 return qemu_chr_open_fd(fd_in, fd_out);
2165 /* for STDIO, we handle the case where several clients use it
2168 #define TERM_FIFO_MAX_SIZE 1
2170 static uint8_t term_fifo[TERM_FIFO_MAX_SIZE];
2171 static int term_fifo_size;
2173 static int stdio_read_poll(void *opaque)
2175 CharDriverState *chr = opaque;
2177 /* try to flush the queue if needed */
2178 if (term_fifo_size != 0 && qemu_chr_can_read(chr) > 0) {
2179 qemu_chr_read(chr, term_fifo, 1);
2182 /* see if we can absorb more chars */
2183 if (term_fifo_size == 0)
2189 static void stdio_read(void *opaque)
2193 CharDriverState *chr = opaque;
2195 size = read(0, buf, 1);
2197 /* stdin has been closed. Remove it from the active list. */
2198 qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL);
2202 if (qemu_chr_can_read(chr) > 0) {
2203 qemu_chr_read(chr, buf, 1);
2204 } else if (term_fifo_size == 0) {
2205 term_fifo[term_fifo_size++] = buf[0];
2210 /* init terminal so that we can grab keys */
2211 static struct termios oldtty;
2212 static int old_fd0_flags;
2213 static int term_atexit_done;
2215 static void term_exit(void)
2217 tcsetattr (0, TCSANOW, &oldtty);
2218 fcntl(0, F_SETFL, old_fd0_flags);
2221 static void term_init(void)
2225 tcgetattr (0, &tty);
2227 old_fd0_flags = fcntl(0, F_GETFL);
2229 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
2230 |INLCR|IGNCR|ICRNL|IXON);
2231 tty.c_oflag |= OPOST;
2232 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
2233 /* if graphical mode, we allow Ctrl-C handling */
2235 tty.c_lflag &= ~ISIG;
2236 tty.c_cflag &= ~(CSIZE|PARENB);
2239 tty.c_cc[VTIME] = 0;
2241 tcsetattr (0, TCSANOW, &tty);
2243 if (!term_atexit_done++)
2246 fcntl(0, F_SETFL, O_NONBLOCK);
2249 static void qemu_chr_close_stdio(struct CharDriverState *chr)
2253 qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL);
2257 static CharDriverState *qemu_chr_open_stdio(void)
2259 CharDriverState *chr;
2261 if (stdio_nb_clients >= STDIO_MAX_CLIENTS)
2263 chr = qemu_chr_open_fd(0, 1);
2264 chr->chr_close = qemu_chr_close_stdio;
2265 qemu_set_fd_handler2(0, stdio_read_poll, stdio_read, NULL, chr);
2273 /* Once Solaris has openpty(), this is going to be removed. */
2274 int openpty(int *amaster, int *aslave, char *name,
2275 struct termios *termp, struct winsize *winp)
2278 int mfd = -1, sfd = -1;
2280 *amaster = *aslave = -1;
2282 mfd = open("/dev/ptmx", O_RDWR | O_NOCTTY);
2286 if (grantpt(mfd) == -1 || unlockpt(mfd) == -1)
2289 if ((slave = ptsname(mfd)) == NULL)
2292 if ((sfd = open(slave, O_RDONLY | O_NOCTTY)) == -1)
2295 if (ioctl(sfd, I_PUSH, "ptem") == -1 ||
2296 (termp != NULL && tcgetattr(sfd, termp) < 0))
2304 ioctl(sfd, TIOCSWINSZ, winp);
2315 void cfmakeraw (struct termios *termios_p)
2317 termios_p->c_iflag &=
2318 ~(IGNBRK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL|IXON);
2319 termios_p->c_oflag &= ~OPOST;
2320 termios_p->c_lflag &= ~(ECHO|ECHONL|ICANON|ISIG|IEXTEN);
2321 termios_p->c_cflag &= ~(CSIZE|PARENB);
2322 termios_p->c_cflag |= CS8;
2324 termios_p->c_cc[VMIN] = 0;
2325 termios_p->c_cc[VTIME] = 0;
2329 #if defined(__linux__) || defined(__sun__)
2330 static CharDriverState *qemu_chr_open_pty(void)
2333 int master_fd, slave_fd;
2335 if (openpty(&master_fd, &slave_fd, NULL, NULL, NULL) < 0) {
2339 /* Set raw attributes on the pty. */
2341 tcsetattr(slave_fd, TCSAFLUSH, &tty);
2343 fprintf(stderr, "char device redirected to %s\n", ptsname(master_fd));
2344 return qemu_chr_open_fd(master_fd, master_fd);
2347 static void tty_serial_init(int fd, int speed,
2348 int parity, int data_bits, int stop_bits)
2354 printf("tty_serial_init: speed=%d parity=%c data=%d stop=%d\n",
2355 speed, parity, data_bits, stop_bits);
2357 tcgetattr (fd, &tty);
2360 if (speed <= 50 * MARGIN)
2362 else if (speed <= 75 * MARGIN)
2364 else if (speed <= 300 * MARGIN)
2366 else if (speed <= 600 * MARGIN)
2368 else if (speed <= 1200 * MARGIN)
2370 else if (speed <= 2400 * MARGIN)
2372 else if (speed <= 4800 * MARGIN)
2374 else if (speed <= 9600 * MARGIN)
2376 else if (speed <= 19200 * MARGIN)
2378 else if (speed <= 38400 * MARGIN)
2380 else if (speed <= 57600 * MARGIN)
2382 else if (speed <= 115200 * MARGIN)
2387 cfsetispeed(&tty, spd);
2388 cfsetospeed(&tty, spd);
2390 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
2391 |INLCR|IGNCR|ICRNL|IXON);
2392 tty.c_oflag |= OPOST;
2393 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN|ISIG);
2394 tty.c_cflag &= ~(CSIZE|PARENB|PARODD|CRTSCTS|CSTOPB);
2415 tty.c_cflag |= PARENB;
2418 tty.c_cflag |= PARENB | PARODD;
2422 tty.c_cflag |= CSTOPB;
2424 tcsetattr (fd, TCSANOW, &tty);
2427 static int tty_serial_ioctl(CharDriverState *chr, int cmd, void *arg)
2429 FDCharDriver *s = chr->opaque;
2432 case CHR_IOCTL_SERIAL_SET_PARAMS:
2434 QEMUSerialSetParams *ssp = arg;
2435 tty_serial_init(s->fd_in, ssp->speed, ssp->parity,
2436 ssp->data_bits, ssp->stop_bits);
2439 case CHR_IOCTL_SERIAL_SET_BREAK:
2441 int enable = *(int *)arg;
2443 tcsendbreak(s->fd_in, 1);
2452 static CharDriverState *qemu_chr_open_tty(const char *filename)
2454 CharDriverState *chr;
2457 TFR(fd = open(filename, O_RDWR | O_NONBLOCK));
2458 fcntl(fd, F_SETFL, O_NONBLOCK);
2459 tty_serial_init(fd, 115200, 'N', 8, 1);
2460 chr = qemu_chr_open_fd(fd, fd);
2465 chr->chr_ioctl = tty_serial_ioctl;
2466 qemu_chr_reset(chr);
2469 #else /* ! __linux__ && ! __sun__ */
2470 static CharDriverState *qemu_chr_open_pty(void)
2474 #endif /* __linux__ || __sun__ */
2476 #if defined(__linux__)
2480 } ParallelCharDriver;
2482 static int pp_hw_mode(ParallelCharDriver *s, uint16_t mode)
2484 if (s->mode != mode) {
2486 if (ioctl(s->fd, PPSETMODE, &m) < 0)
2493 static int pp_ioctl(CharDriverState *chr, int cmd, void *arg)
2495 ParallelCharDriver *drv = chr->opaque;
2500 case CHR_IOCTL_PP_READ_DATA:
2501 if (ioctl(fd, PPRDATA, &b) < 0)
2503 *(uint8_t *)arg = b;
2505 case CHR_IOCTL_PP_WRITE_DATA:
2506 b = *(uint8_t *)arg;
2507 if (ioctl(fd, PPWDATA, &b) < 0)
2510 case CHR_IOCTL_PP_READ_CONTROL:
2511 if (ioctl(fd, PPRCONTROL, &b) < 0)
2513 /* Linux gives only the lowest bits, and no way to know data
2514 direction! For better compatibility set the fixed upper
2516 *(uint8_t *)arg = b | 0xc0;
2518 case CHR_IOCTL_PP_WRITE_CONTROL:
2519 b = *(uint8_t *)arg;
2520 if (ioctl(fd, PPWCONTROL, &b) < 0)
2523 case CHR_IOCTL_PP_READ_STATUS:
2524 if (ioctl(fd, PPRSTATUS, &b) < 0)
2526 *(uint8_t *)arg = b;
2528 case CHR_IOCTL_PP_EPP_READ_ADDR:
2529 if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) {
2530 struct ParallelIOArg *parg = arg;
2531 int n = read(fd, parg->buffer, parg->count);
2532 if (n != parg->count) {
2537 case CHR_IOCTL_PP_EPP_READ:
2538 if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) {
2539 struct ParallelIOArg *parg = arg;
2540 int n = read(fd, parg->buffer, parg->count);
2541 if (n != parg->count) {
2546 case CHR_IOCTL_PP_EPP_WRITE_ADDR:
2547 if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) {
2548 struct ParallelIOArg *parg = arg;
2549 int n = write(fd, parg->buffer, parg->count);
2550 if (n != parg->count) {
2555 case CHR_IOCTL_PP_EPP_WRITE:
2556 if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) {
2557 struct ParallelIOArg *parg = arg;
2558 int n = write(fd, parg->buffer, parg->count);
2559 if (n != parg->count) {
2570 static void pp_close(CharDriverState *chr)
2572 ParallelCharDriver *drv = chr->opaque;
2575 pp_hw_mode(drv, IEEE1284_MODE_COMPAT);
2576 ioctl(fd, PPRELEASE);
2581 static CharDriverState *qemu_chr_open_pp(const char *filename)
2583 CharDriverState *chr;
2584 ParallelCharDriver *drv;
2587 TFR(fd = open(filename, O_RDWR));
2591 if (ioctl(fd, PPCLAIM) < 0) {
2596 drv = qemu_mallocz(sizeof(ParallelCharDriver));
2602 drv->mode = IEEE1284_MODE_COMPAT;
2604 chr = qemu_mallocz(sizeof(CharDriverState));
2610 chr->chr_write = null_chr_write;
2611 chr->chr_ioctl = pp_ioctl;
2612 chr->chr_close = pp_close;
2615 qemu_chr_reset(chr);
2619 #endif /* __linux__ */
2625 HANDLE hcom, hrecv, hsend;
2626 OVERLAPPED orecv, osend;
2631 #define NSENDBUF 2048
2632 #define NRECVBUF 2048
2633 #define MAXCONNECT 1
2634 #define NTIMEOUT 5000
2636 static int win_chr_poll(void *opaque);
2637 static int win_chr_pipe_poll(void *opaque);
2639 static void win_chr_close(CharDriverState *chr)
2641 WinCharState *s = chr->opaque;
2644 CloseHandle(s->hsend);
2648 CloseHandle(s->hrecv);
2652 CloseHandle(s->hcom);
2656 qemu_del_polling_cb(win_chr_pipe_poll, chr);
2658 qemu_del_polling_cb(win_chr_poll, chr);
2661 static int win_chr_init(CharDriverState *chr, const char *filename)
2663 WinCharState *s = chr->opaque;
2665 COMMTIMEOUTS cto = { 0, 0, 0, 0, 0};
2670 s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL);
2672 fprintf(stderr, "Failed CreateEvent\n");
2675 s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL);
2677 fprintf(stderr, "Failed CreateEvent\n");
2681 s->hcom = CreateFile(filename, GENERIC_READ|GENERIC_WRITE, 0, NULL,
2682 OPEN_EXISTING, FILE_FLAG_OVERLAPPED, 0);
2683 if (s->hcom == INVALID_HANDLE_VALUE) {
2684 fprintf(stderr, "Failed CreateFile (%lu)\n", GetLastError());
2689 if (!SetupComm(s->hcom, NRECVBUF, NSENDBUF)) {
2690 fprintf(stderr, "Failed SetupComm\n");
2694 ZeroMemory(&comcfg, sizeof(COMMCONFIG));
2695 size = sizeof(COMMCONFIG);
2696 GetDefaultCommConfig(filename, &comcfg, &size);
2697 comcfg.dcb.DCBlength = sizeof(DCB);
2698 CommConfigDialog(filename, NULL, &comcfg);
2700 if (!SetCommState(s->hcom, &comcfg.dcb)) {
2701 fprintf(stderr, "Failed SetCommState\n");
2705 if (!SetCommMask(s->hcom, EV_ERR)) {
2706 fprintf(stderr, "Failed SetCommMask\n");
2710 cto.ReadIntervalTimeout = MAXDWORD;
2711 if (!SetCommTimeouts(s->hcom, &cto)) {
2712 fprintf(stderr, "Failed SetCommTimeouts\n");
2716 if (!ClearCommError(s->hcom, &err, &comstat)) {
2717 fprintf(stderr, "Failed ClearCommError\n");
2720 qemu_add_polling_cb(win_chr_poll, chr);
2728 static int win_chr_write(CharDriverState *chr, const uint8_t *buf, int len1)
2730 WinCharState *s = chr->opaque;
2731 DWORD len, ret, size, err;
2734 ZeroMemory(&s->osend, sizeof(s->osend));
2735 s->osend.hEvent = s->hsend;
2738 ret = WriteFile(s->hcom, buf, len, &size, &s->osend);
2740 ret = WriteFile(s->hcom, buf, len, &size, NULL);
2742 err = GetLastError();
2743 if (err == ERROR_IO_PENDING) {
2744 ret = GetOverlappedResult(s->hcom, &s->osend, &size, TRUE);
2762 static int win_chr_read_poll(CharDriverState *chr)
2764 WinCharState *s = chr->opaque;
2766 s->max_size = qemu_chr_can_read(chr);
2770 static void win_chr_readfile(CharDriverState *chr)
2772 WinCharState *s = chr->opaque;
2777 ZeroMemory(&s->orecv, sizeof(s->orecv));
2778 s->orecv.hEvent = s->hrecv;
2779 ret = ReadFile(s->hcom, buf, s->len, &size, &s->orecv);
2781 err = GetLastError();
2782 if (err == ERROR_IO_PENDING) {
2783 ret = GetOverlappedResult(s->hcom, &s->orecv, &size, TRUE);
2788 qemu_chr_read(chr, buf, size);
2792 static void win_chr_read(CharDriverState *chr)
2794 WinCharState *s = chr->opaque;
2796 if (s->len > s->max_size)
2797 s->len = s->max_size;
2801 win_chr_readfile(chr);
2804 static int win_chr_poll(void *opaque)
2806 CharDriverState *chr = opaque;
2807 WinCharState *s = chr->opaque;
2811 ClearCommError(s->hcom, &comerr, &status);
2812 if (status.cbInQue > 0) {
2813 s->len = status.cbInQue;
2814 win_chr_read_poll(chr);
2821 static CharDriverState *qemu_chr_open_win(const char *filename)
2823 CharDriverState *chr;
2826 chr = qemu_mallocz(sizeof(CharDriverState));
2829 s = qemu_mallocz(sizeof(WinCharState));
2835 chr->chr_write = win_chr_write;
2836 chr->chr_close = win_chr_close;
2838 if (win_chr_init(chr, filename) < 0) {
2843 qemu_chr_reset(chr);
2847 static int win_chr_pipe_poll(void *opaque)
2849 CharDriverState *chr = opaque;
2850 WinCharState *s = chr->opaque;
2853 PeekNamedPipe(s->hcom, NULL, 0, NULL, &size, NULL);
2856 win_chr_read_poll(chr);
2863 static int win_chr_pipe_init(CharDriverState *chr, const char *filename)
2865 WinCharState *s = chr->opaque;
2873 s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL);
2875 fprintf(stderr, "Failed CreateEvent\n");
2878 s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL);
2880 fprintf(stderr, "Failed CreateEvent\n");
2884 snprintf(openname, sizeof(openname), "\\\\.\\pipe\\%s", filename);
2885 s->hcom = CreateNamedPipe(openname, PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED,
2886 PIPE_TYPE_BYTE | PIPE_READMODE_BYTE |
2888 MAXCONNECT, NSENDBUF, NRECVBUF, NTIMEOUT, NULL);
2889 if (s->hcom == INVALID_HANDLE_VALUE) {
2890 fprintf(stderr, "Failed CreateNamedPipe (%lu)\n", GetLastError());
2895 ZeroMemory(&ov, sizeof(ov));
2896 ov.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
2897 ret = ConnectNamedPipe(s->hcom, &ov);
2899 fprintf(stderr, "Failed ConnectNamedPipe\n");
2903 ret = GetOverlappedResult(s->hcom, &ov, &size, TRUE);
2905 fprintf(stderr, "Failed GetOverlappedResult\n");
2907 CloseHandle(ov.hEvent);
2914 CloseHandle(ov.hEvent);
2917 qemu_add_polling_cb(win_chr_pipe_poll, chr);
2926 static CharDriverState *qemu_chr_open_win_pipe(const char *filename)
2928 CharDriverState *chr;
2931 chr = qemu_mallocz(sizeof(CharDriverState));
2934 s = qemu_mallocz(sizeof(WinCharState));
2940 chr->chr_write = win_chr_write;
2941 chr->chr_close = win_chr_close;
2943 if (win_chr_pipe_init(chr, filename) < 0) {
2948 qemu_chr_reset(chr);
2952 static CharDriverState *qemu_chr_open_win_file(HANDLE fd_out)
2954 CharDriverState *chr;
2957 chr = qemu_mallocz(sizeof(CharDriverState));
2960 s = qemu_mallocz(sizeof(WinCharState));
2967 chr->chr_write = win_chr_write;
2968 qemu_chr_reset(chr);
2972 static CharDriverState *qemu_chr_open_win_con(const char *filename)
2974 return qemu_chr_open_win_file(GetStdHandle(STD_OUTPUT_HANDLE));
2977 static CharDriverState *qemu_chr_open_win_file_out(const char *file_out)
2981 fd_out = CreateFile(file_out, GENERIC_WRITE, FILE_SHARE_READ, NULL,
2982 OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
2983 if (fd_out == INVALID_HANDLE_VALUE)
2986 return qemu_chr_open_win_file(fd_out);
2988 #endif /* !_WIN32 */
2990 /***********************************************************/
2991 /* UDP Net console */
2995 struct sockaddr_in daddr;
3002 static int udp_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
3004 NetCharDriver *s = chr->opaque;
3006 return sendto(s->fd, buf, len, 0,
3007 (struct sockaddr *)&s->daddr, sizeof(struct sockaddr_in));
3010 static int udp_chr_read_poll(void *opaque)
3012 CharDriverState *chr = opaque;
3013 NetCharDriver *s = chr->opaque;
3015 s->max_size = qemu_chr_can_read(chr);
3017 /* If there were any stray characters in the queue process them
3020 while (s->max_size > 0 && s->bufptr < s->bufcnt) {
3021 qemu_chr_read(chr, &s->buf[s->bufptr], 1);
3023 s->max_size = qemu_chr_can_read(chr);
3028 static void udp_chr_read(void *opaque)
3030 CharDriverState *chr = opaque;
3031 NetCharDriver *s = chr->opaque;
3033 if (s->max_size == 0)
3035 s->bufcnt = recv(s->fd, s->buf, sizeof(s->buf), 0);
3036 s->bufptr = s->bufcnt;
3041 while (s->max_size > 0 && s->bufptr < s->bufcnt) {
3042 qemu_chr_read(chr, &s->buf[s->bufptr], 1);
3044 s->max_size = qemu_chr_can_read(chr);
3048 static void udp_chr_update_read_handler(CharDriverState *chr)
3050 NetCharDriver *s = chr->opaque;
3053 qemu_set_fd_handler2(s->fd, udp_chr_read_poll,
3054 udp_chr_read, NULL, chr);
3058 int parse_host_port(struct sockaddr_in *saddr, const char *str);
3060 static int parse_unix_path(struct sockaddr_un *uaddr, const char *str);
3062 int parse_host_src_port(struct sockaddr_in *haddr,
3063 struct sockaddr_in *saddr,
3066 static CharDriverState *qemu_chr_open_udp(const char *def)
3068 CharDriverState *chr = NULL;
3069 NetCharDriver *s = NULL;
3071 struct sockaddr_in saddr;
3073 chr = qemu_mallocz(sizeof(CharDriverState));
3076 s = qemu_mallocz(sizeof(NetCharDriver));
3080 fd = socket(PF_INET, SOCK_DGRAM, 0);
3082 perror("socket(PF_INET, SOCK_DGRAM)");
3086 if (parse_host_src_port(&s->daddr, &saddr, def) < 0) {
3087 printf("Could not parse: %s\n", def);
3091 if (bind(fd, (struct sockaddr *)&saddr, sizeof(saddr)) < 0)
3101 chr->chr_write = udp_chr_write;
3102 chr->chr_update_read_handler = udp_chr_update_read_handler;
3115 /***********************************************************/
3116 /* TCP Net console */
3127 static void tcp_chr_accept(void *opaque);
3129 static int tcp_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
3131 TCPCharDriver *s = chr->opaque;
3133 return send_all(s->fd, buf, len);
3135 /* XXX: indicate an error ? */
3140 static int tcp_chr_read_poll(void *opaque)
3142 CharDriverState *chr = opaque;
3143 TCPCharDriver *s = chr->opaque;
3146 s->max_size = qemu_chr_can_read(chr);
3151 #define IAC_BREAK 243
3152 static void tcp_chr_process_IAC_bytes(CharDriverState *chr,
3154 uint8_t *buf, int *size)
3156 /* Handle any telnet client's basic IAC options to satisfy char by
3157 * char mode with no echo. All IAC options will be removed from
3158 * the buf and the do_telnetopt variable will be used to track the
3159 * state of the width of the IAC information.
3161 * IAC commands come in sets of 3 bytes with the exception of the
3162 * "IAC BREAK" command and the double IAC.
3168 for (i = 0; i < *size; i++) {
3169 if (s->do_telnetopt > 1) {
3170 if ((unsigned char)buf[i] == IAC && s->do_telnetopt == 2) {
3171 /* Double IAC means send an IAC */
3175 s->do_telnetopt = 1;
3177 if ((unsigned char)buf[i] == IAC_BREAK && s->do_telnetopt == 2) {
3178 /* Handle IAC break commands by sending a serial break */
3179 qemu_chr_event(chr, CHR_EVENT_BREAK);
3184 if (s->do_telnetopt >= 4) {
3185 s->do_telnetopt = 1;
3188 if ((unsigned char)buf[i] == IAC) {
3189 s->do_telnetopt = 2;
3200 static void tcp_chr_read(void *opaque)
3202 CharDriverState *chr = opaque;
3203 TCPCharDriver *s = chr->opaque;
3207 if (!s->connected || s->max_size <= 0)
3210 if (len > s->max_size)
3212 size = recv(s->fd, buf, len, 0);
3214 /* connection closed */
3216 if (s->listen_fd >= 0) {
3217 qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr);
3219 qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
3222 } else if (size > 0) {
3223 if (s->do_telnetopt)
3224 tcp_chr_process_IAC_bytes(chr, s, buf, &size);
3226 qemu_chr_read(chr, buf, size);
3230 static void tcp_chr_connect(void *opaque)
3232 CharDriverState *chr = opaque;
3233 TCPCharDriver *s = chr->opaque;
3236 qemu_set_fd_handler2(s->fd, tcp_chr_read_poll,
3237 tcp_chr_read, NULL, chr);
3238 qemu_chr_reset(chr);
3241 #define IACSET(x,a,b,c) x[0] = a; x[1] = b; x[2] = c;
3242 static void tcp_chr_telnet_init(int fd)
3245 /* Send the telnet negotion to put telnet in binary, no echo, single char mode */
3246 IACSET(buf, 0xff, 0xfb, 0x01); /* IAC WILL ECHO */
3247 send(fd, (char *)buf, 3, 0);
3248 IACSET(buf, 0xff, 0xfb, 0x03); /* IAC WILL Suppress go ahead */
3249 send(fd, (char *)buf, 3, 0);
3250 IACSET(buf, 0xff, 0xfb, 0x00); /* IAC WILL Binary */
3251 send(fd, (char *)buf, 3, 0);
3252 IACSET(buf, 0xff, 0xfd, 0x00); /* IAC DO Binary */
3253 send(fd, (char *)buf, 3, 0);
3256 static void socket_set_nodelay(int fd)
3259 setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (char *)&val, sizeof(val));
3262 static void tcp_chr_accept(void *opaque)
3264 CharDriverState *chr = opaque;
3265 TCPCharDriver *s = chr->opaque;
3266 struct sockaddr_in saddr;
3268 struct sockaddr_un uaddr;
3270 struct sockaddr *addr;
3277 len = sizeof(uaddr);
3278 addr = (struct sockaddr *)&uaddr;
3282 len = sizeof(saddr);
3283 addr = (struct sockaddr *)&saddr;
3285 fd = accept(s->listen_fd, addr, &len);
3286 if (fd < 0 && errno != EINTR) {
3288 } else if (fd >= 0) {
3289 if (s->do_telnetopt)
3290 tcp_chr_telnet_init(fd);
3294 socket_set_nonblock(fd);
3296 socket_set_nodelay(fd);
3298 qemu_set_fd_handler(s->listen_fd, NULL, NULL, NULL);
3299 tcp_chr_connect(chr);
3302 static void tcp_chr_close(CharDriverState *chr)
3304 TCPCharDriver *s = chr->opaque;
3307 if (s->listen_fd >= 0)
3308 closesocket(s->listen_fd);
3312 static CharDriverState *qemu_chr_open_tcp(const char *host_str,
3316 CharDriverState *chr = NULL;
3317 TCPCharDriver *s = NULL;
3318 int fd = -1, ret, err, val;
3320 int is_waitconnect = 1;
3323 struct sockaddr_in saddr;
3325 struct sockaddr_un uaddr;
3327 struct sockaddr *addr;
3332 addr = (struct sockaddr *)&uaddr;
3333 addrlen = sizeof(uaddr);
3334 if (parse_unix_path(&uaddr, host_str) < 0)
3339 addr = (struct sockaddr *)&saddr;
3340 addrlen = sizeof(saddr);
3341 if (parse_host_port(&saddr, host_str) < 0)
3346 while((ptr = strchr(ptr,','))) {
3348 if (!strncmp(ptr,"server",6)) {
3350 } else if (!strncmp(ptr,"nowait",6)) {
3352 } else if (!strncmp(ptr,"nodelay",6)) {
3355 printf("Unknown option: %s\n", ptr);
3362 chr = qemu_mallocz(sizeof(CharDriverState));
3365 s = qemu_mallocz(sizeof(TCPCharDriver));
3371 fd = socket(PF_UNIX, SOCK_STREAM, 0);
3374 fd = socket(PF_INET, SOCK_STREAM, 0);
3379 if (!is_waitconnect)
3380 socket_set_nonblock(fd);
3385 s->is_unix = is_unix;
3386 s->do_nodelay = do_nodelay && !is_unix;
3389 chr->chr_write = tcp_chr_write;
3390 chr->chr_close = tcp_chr_close;
3393 /* allow fast reuse */
3397 strncpy(path, uaddr.sun_path, 108);
3404 setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&val, sizeof(val));
3407 ret = bind(fd, addr, addrlen);
3411 ret = listen(fd, 0);
3416 qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr);
3418 s->do_telnetopt = 1;
3421 ret = connect(fd, addr, addrlen);
3423 err = socket_error();
3424 if (err == EINTR || err == EWOULDBLOCK) {
3425 } else if (err == EINPROGRESS) {
3428 } else if (err == WSAEALREADY) {
3440 socket_set_nodelay(fd);
3442 tcp_chr_connect(chr);
3444 qemu_set_fd_handler(s->fd, NULL, tcp_chr_connect, chr);
3447 if (is_listen && is_waitconnect) {
3448 printf("QEMU waiting for connection on: %s\n", host_str);
3449 tcp_chr_accept(chr);
3450 socket_set_nonblock(s->listen_fd);
3462 CharDriverState *qemu_chr_open(const char *filename)
3466 if (!strcmp(filename, "vc")) {
3467 return text_console_init(&display_state, 0);
3468 } else if (strstart(filename, "vc:", &p)) {
3469 return text_console_init(&display_state, p);
3470 } else if (!strcmp(filename, "null")) {
3471 return qemu_chr_open_null();
3473 if (strstart(filename, "tcp:", &p)) {
3474 return qemu_chr_open_tcp(p, 0, 0);
3476 if (strstart(filename, "telnet:", &p)) {
3477 return qemu_chr_open_tcp(p, 1, 0);
3479 if (strstart(filename, "udp:", &p)) {
3480 return qemu_chr_open_udp(p);
3482 if (strstart(filename, "mon:", &p)) {
3483 CharDriverState *drv = qemu_chr_open(p);
3485 drv = qemu_chr_open_mux(drv);
3486 monitor_init(drv, !nographic);
3489 printf("Unable to open driver: %s\n", p);
3493 if (strstart(filename, "unix:", &p)) {
3494 return qemu_chr_open_tcp(p, 0, 1);
3495 } else if (strstart(filename, "file:", &p)) {
3496 return qemu_chr_open_file_out(p);
3497 } else if (strstart(filename, "pipe:", &p)) {
3498 return qemu_chr_open_pipe(p);
3499 } else if (!strcmp(filename, "pty")) {
3500 return qemu_chr_open_pty();
3501 } else if (!strcmp(filename, "stdio")) {
3502 return qemu_chr_open_stdio();
3504 #if defined(__linux__)
3505 if (strstart(filename, "/dev/parport", NULL)) {
3506 return qemu_chr_open_pp(filename);
3509 #if defined(__linux__) || defined(__sun__)
3510 if (strstart(filename, "/dev/", NULL)) {
3511 return qemu_chr_open_tty(filename);
3515 if (strstart(filename, "COM", NULL)) {
3516 return qemu_chr_open_win(filename);
3518 if (strstart(filename, "pipe:", &p)) {
3519 return qemu_chr_open_win_pipe(p);
3521 if (strstart(filename, "con:", NULL)) {
3522 return qemu_chr_open_win_con(filename);
3524 if (strstart(filename, "file:", &p)) {
3525 return qemu_chr_open_win_file_out(p);
3528 #ifdef CONFIG_BRLAPI
3529 if (!strcmp(filename, "braille")) {
3530 return chr_baum_init();
3538 void qemu_chr_close(CharDriverState *chr)
3541 chr->chr_close(chr);
3545 /***********************************************************/
3546 /* network device redirectors */
3548 __attribute__ (( unused ))
3549 static void hex_dump(FILE *f, const uint8_t *buf, int size)
3553 for(i=0;i<size;i+=16) {
3557 fprintf(f, "%08x ", i);
3560 fprintf(f, " %02x", buf[i+j]);
3565 for(j=0;j<len;j++) {
3567 if (c < ' ' || c > '~')
3569 fprintf(f, "%c", c);
3575 static int parse_macaddr(uint8_t *macaddr, const char *p)
3582 offset = strtol(p, &last_char, 0);
3583 if (0 == errno && '\0' == *last_char &&
3584 offset >= 0 && offset <= 0xFFFFFF) {
3585 macaddr[3] = (offset & 0xFF0000) >> 16;
3586 macaddr[4] = (offset & 0xFF00) >> 8;
3587 macaddr[5] = offset & 0xFF;
3590 for(i = 0; i < 6; i++) {
3591 macaddr[i] = strtol(p, (char **)&p, 16);
3596 if (*p != ':' && *p != '-')
3607 static int get_str_sep(char *buf, int buf_size, const char **pp, int sep)
3612 p1 = strchr(p, sep);
3618 if (len > buf_size - 1)
3620 memcpy(buf, p, len);
3627 int parse_host_src_port(struct sockaddr_in *haddr,
3628 struct sockaddr_in *saddr,
3629 const char *input_str)
3631 char *str = strdup(input_str);
3632 char *host_str = str;
3637 * Chop off any extra arguments at the end of the string which
3638 * would start with a comma, then fill in the src port information
3639 * if it was provided else use the "any address" and "any port".
3641 if ((ptr = strchr(str,',')))
3644 if ((src_str = strchr(input_str,'@'))) {
3649 if (parse_host_port(haddr, host_str) < 0)
3652 if (!src_str || *src_str == '\0')
3655 if (parse_host_port(saddr, src_str) < 0)
3666 int parse_host_port(struct sockaddr_in *saddr, const char *str)
3674 if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
3676 saddr->sin_family = AF_INET;
3677 if (buf[0] == '\0') {
3678 saddr->sin_addr.s_addr = 0;
3680 if (isdigit(buf[0])) {
3681 if (!inet_aton(buf, &saddr->sin_addr))
3684 if ((he = gethostbyname(buf)) == NULL)
3686 saddr->sin_addr = *(struct in_addr *)he->h_addr;
3689 port = strtol(p, (char **)&r, 0);
3692 saddr->sin_port = htons(port);
3697 static int parse_unix_path(struct sockaddr_un *uaddr, const char *str)
3702 len = MIN(108, strlen(str));
3703 p = strchr(str, ',');
3705 len = MIN(len, p - str);
3707 memset(uaddr, 0, sizeof(*uaddr));
3709 uaddr->sun_family = AF_UNIX;
3710 memcpy(uaddr->sun_path, str, len);
3716 /* find or alloc a new VLAN */
3717 VLANState *qemu_find_vlan(int id)
3719 VLANState **pvlan, *vlan;
3720 for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) {
3724 vlan = qemu_mallocz(sizeof(VLANState));
3729 pvlan = &first_vlan;
3730 while (*pvlan != NULL)
3731 pvlan = &(*pvlan)->next;
3736 VLANClientState *qemu_new_vlan_client(VLANState *vlan,
3737 IOReadHandler *fd_read,
3738 IOCanRWHandler *fd_can_read,
3741 VLANClientState *vc, **pvc;
3742 vc = qemu_mallocz(sizeof(VLANClientState));
3745 vc->fd_read = fd_read;
3746 vc->fd_can_read = fd_can_read;
3747 vc->opaque = opaque;
3751 pvc = &vlan->first_client;
3752 while (*pvc != NULL)
3753 pvc = &(*pvc)->next;
3758 int qemu_can_send_packet(VLANClientState *vc1)
3760 VLANState *vlan = vc1->vlan;
3761 VLANClientState *vc;
3763 for(vc = vlan->first_client; vc != NULL; vc = vc->next) {
3765 if (vc->fd_can_read && vc->fd_can_read(vc->opaque))
3772 void qemu_send_packet(VLANClientState *vc1, const uint8_t *buf, int size)
3774 VLANState *vlan = vc1->vlan;
3775 VLANClientState *vc;
3778 printf("vlan %d send:\n", vlan->id);
3779 hex_dump(stdout, buf, size);
3781 for(vc = vlan->first_client; vc != NULL; vc = vc->next) {
3783 vc->fd_read(vc->opaque, buf, size);
3788 #if defined(CONFIG_SLIRP)
3790 /* slirp network adapter */
3792 static int slirp_inited;
3793 static VLANClientState *slirp_vc;
3795 int slirp_can_output(void)
3797 return !slirp_vc || qemu_can_send_packet(slirp_vc);
3800 void slirp_output(const uint8_t *pkt, int pkt_len)
3803 printf("slirp output:\n");
3804 hex_dump(stdout, pkt, pkt_len);
3808 qemu_send_packet(slirp_vc, pkt, pkt_len);
3811 static void slirp_receive(void *opaque, const uint8_t *buf, int size)
3814 printf("slirp input:\n");
3815 hex_dump(stdout, buf, size);
3817 slirp_input(buf, size);
3820 static int net_slirp_init(VLANState *vlan)
3822 if (!slirp_inited) {
3826 slirp_vc = qemu_new_vlan_client(vlan,
3827 slirp_receive, NULL, NULL);
3828 snprintf(slirp_vc->info_str, sizeof(slirp_vc->info_str), "user redirector");
3832 static void net_slirp_redir(const char *redir_str)
3837 struct in_addr guest_addr;
3838 int host_port, guest_port;
3840 if (!slirp_inited) {
3846 if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
3848 if (!strcmp(buf, "tcp")) {
3850 } else if (!strcmp(buf, "udp")) {
3856 if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
3858 host_port = strtol(buf, &r, 0);
3862 if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
3864 if (buf[0] == '\0') {
3865 pstrcpy(buf, sizeof(buf), "10.0.2.15");
3867 if (!inet_aton(buf, &guest_addr))
3870 guest_port = strtol(p, &r, 0);
3874 if (slirp_redir(is_udp, host_port, guest_addr, guest_port) < 0) {
3875 fprintf(stderr, "qemu: could not set up redirection\n");
3880 fprintf(stderr, "qemu: syntax: -redir [tcp|udp]:host-port:[guest-host]:guest-port\n");
3888 static void erase_dir(char *dir_name)
3892 char filename[1024];
3894 /* erase all the files in the directory */
3895 if ((d = opendir(dir_name)) != 0) {
3900 if (strcmp(de->d_name, ".") != 0 &&
3901 strcmp(de->d_name, "..") != 0) {
3902 snprintf(filename, sizeof(filename), "%s/%s",
3903 smb_dir, de->d_name);
3904 if (unlink(filename) != 0) /* is it a directory? */
3905 erase_dir(filename);
3913 /* automatic user mode samba server configuration */
3914 static void smb_exit(void)
3919 /* automatic user mode samba server configuration */
3920 static void net_slirp_smb(const char *exported_dir)
3922 char smb_conf[1024];
3923 char smb_cmdline[1024];
3926 if (!slirp_inited) {
3931 /* XXX: better tmp dir construction */
3932 snprintf(smb_dir, sizeof(smb_dir), "/tmp/qemu-smb.%d", getpid());
3933 if (mkdir(smb_dir, 0700) < 0) {
3934 fprintf(stderr, "qemu: could not create samba server dir '%s'\n", smb_dir);
3937 snprintf(smb_conf, sizeof(smb_conf), "%s/%s", smb_dir, "smb.conf");
3939 f = fopen(smb_conf, "w");
3941 fprintf(stderr, "qemu: could not create samba server configuration file '%s'\n", smb_conf);
3948 "socket address=127.0.0.1\n"
3949 "pid directory=%s\n"
3950 "lock directory=%s\n"
3951 "log file=%s/log.smbd\n"
3952 "smb passwd file=%s/smbpasswd\n"
3953 "security = share\n"
3968 snprintf(smb_cmdline, sizeof(smb_cmdline), "%s -s %s",
3969 SMBD_COMMAND, smb_conf);
3971 slirp_add_exec(0, smb_cmdline, 4, 139);
3974 #endif /* !defined(_WIN32) */
3975 void do_info_slirp(void)
3980 #endif /* CONFIG_SLIRP */
3982 #if !defined(_WIN32)
3984 typedef struct TAPState {
3985 VLANClientState *vc;
3987 char down_script[1024];
3990 static void tap_receive(void *opaque, const uint8_t *buf, int size)
3992 TAPState *s = opaque;
3995 ret = write(s->fd, buf, size);
3996 if (ret < 0 && (errno == EINTR || errno == EAGAIN)) {
4003 static void tap_send(void *opaque)
4005 TAPState *s = opaque;
4012 sbuf.maxlen = sizeof(buf);
4014 size = getmsg(s->fd, NULL, &sbuf, &f) >=0 ? sbuf.len : -1;
4016 size = read(s->fd, buf, sizeof(buf));
4019 qemu_send_packet(s->vc, buf, size);
4025 static TAPState *net_tap_fd_init(VLANState *vlan, int fd)
4029 s = qemu_mallocz(sizeof(TAPState));
4033 s->vc = qemu_new_vlan_client(vlan, tap_receive, NULL, s);
4034 qemu_set_fd_handler(s->fd, tap_send, NULL, s);
4035 snprintf(s->vc->info_str, sizeof(s->vc->info_str), "tap: fd=%d", fd);
4039 #if defined (_BSD) || defined (__FreeBSD_kernel__)
4040 static int tap_open(char *ifname, int ifname_size)
4046 TFR(fd = open("/dev/tap", O_RDWR));
4048 fprintf(stderr, "warning: could not open /dev/tap: no virtual network emulation\n");
4053 dev = devname(s.st_rdev, S_IFCHR);
4054 pstrcpy(ifname, ifname_size, dev);
4056 fcntl(fd, F_SETFL, O_NONBLOCK);
4059 #elif defined(__sun__)
4060 #define TUNNEWPPA (('T'<<16) | 0x0001)
4062 * Allocate TAP device, returns opened fd.
4063 * Stores dev name in the first arg(must be large enough).
4065 int tap_alloc(char *dev)
4067 int tap_fd, if_fd, ppa = -1;
4068 static int ip_fd = 0;
4071 static int arp_fd = 0;
4072 int ip_muxid, arp_muxid;
4073 struct strioctl strioc_if, strioc_ppa;
4074 int link_type = I_PLINK;;
4076 char actual_name[32] = "";
4078 memset(&ifr, 0x0, sizeof(ifr));
4082 while( *ptr && !isdigit((int)*ptr) ) ptr++;
4086 /* Check if IP device was opened */
4090 TFR(ip_fd = open("/dev/udp", O_RDWR, 0));
4092 syslog(LOG_ERR, "Can't open /dev/ip (actually /dev/udp)");
4096 TFR(tap_fd = open("/dev/tap", O_RDWR, 0));
4098 syslog(LOG_ERR, "Can't open /dev/tap");
4102 /* Assign a new PPA and get its unit number. */
4103 strioc_ppa.ic_cmd = TUNNEWPPA;
4104 strioc_ppa.ic_timout = 0;
4105 strioc_ppa.ic_len = sizeof(ppa);
4106 strioc_ppa.ic_dp = (char *)&ppa;
4107 if ((ppa = ioctl (tap_fd, I_STR, &strioc_ppa)) < 0)
4108 syslog (LOG_ERR, "Can't assign new interface");
4110 TFR(if_fd = open("/dev/tap", O_RDWR, 0));
4112 syslog(LOG_ERR, "Can't open /dev/tap (2)");
4115 if(ioctl(if_fd, I_PUSH, "ip") < 0){
4116 syslog(LOG_ERR, "Can't push IP module");
4120 if (ioctl(if_fd, SIOCGLIFFLAGS, &ifr) < 0)
4121 syslog(LOG_ERR, "Can't get flags\n");
4123 snprintf (actual_name, 32, "tap%d", ppa);
4124 strncpy (ifr.lifr_name, actual_name, sizeof (ifr.lifr_name));
4127 /* Assign ppa according to the unit number returned by tun device */
4129 if (ioctl (if_fd, SIOCSLIFNAME, &ifr) < 0)
4130 syslog (LOG_ERR, "Can't set PPA %d", ppa);
4131 if (ioctl(if_fd, SIOCGLIFFLAGS, &ifr) <0)
4132 syslog (LOG_ERR, "Can't get flags\n");
4133 /* Push arp module to if_fd */
4134 if (ioctl (if_fd, I_PUSH, "arp") < 0)
4135 syslog (LOG_ERR, "Can't push ARP module (2)");
4137 /* Push arp module to ip_fd */
4138 if (ioctl (ip_fd, I_POP, NULL) < 0)
4139 syslog (LOG_ERR, "I_POP failed\n");
4140 if (ioctl (ip_fd, I_PUSH, "arp") < 0)
4141 syslog (LOG_ERR, "Can't push ARP module (3)\n");
4143 TFR(arp_fd = open ("/dev/tap", O_RDWR, 0));
4145 syslog (LOG_ERR, "Can't open %s\n", "/dev/tap");
4147 /* Set ifname to arp */
4148 strioc_if.ic_cmd = SIOCSLIFNAME;
4149 strioc_if.ic_timout = 0;
4150 strioc_if.ic_len = sizeof(ifr);
4151 strioc_if.ic_dp = (char *)𝔦
4152 if (ioctl(arp_fd, I_STR, &strioc_if) < 0){
4153 syslog (LOG_ERR, "Can't set ifname to arp\n");
4156 if((ip_muxid = ioctl(ip_fd, I_LINK, if_fd)) < 0){
4157 syslog(LOG_ERR, "Can't link TAP device to IP");
4161 if ((arp_muxid = ioctl (ip_fd, link_type, arp_fd)) < 0)
4162 syslog (LOG_ERR, "Can't link TAP device to ARP");
4166 memset(&ifr, 0x0, sizeof(ifr));
4167 strncpy (ifr.lifr_name, actual_name, sizeof (ifr.lifr_name));
4168 ifr.lifr_ip_muxid = ip_muxid;
4169 ifr.lifr_arp_muxid = arp_muxid;
4171 if (ioctl (ip_fd, SIOCSLIFMUXID, &ifr) < 0)
4173 ioctl (ip_fd, I_PUNLINK , arp_muxid);
4174 ioctl (ip_fd, I_PUNLINK, ip_muxid);
4175 syslog (LOG_ERR, "Can't set multiplexor id");
4178 sprintf(dev, "tap%d", ppa);
4182 static int tap_open(char *ifname, int ifname_size)
4186 if( (fd = tap_alloc(dev)) < 0 ){
4187 fprintf(stderr, "Cannot allocate TAP device\n");
4190 pstrcpy(ifname, ifname_size, dev);
4191 fcntl(fd, F_SETFL, O_NONBLOCK);
4195 static int tap_open(char *ifname, int ifname_size)
4200 TFR(fd = open("/dev/net/tun", O_RDWR));
4202 fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n");
4205 memset(&ifr, 0, sizeof(ifr));
4206 ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
4207 if (ifname[0] != '\0')
4208 pstrcpy(ifr.ifr_name, IFNAMSIZ, ifname);
4210 pstrcpy(ifr.ifr_name, IFNAMSIZ, "tap%d");
4211 ret = ioctl(fd, TUNSETIFF, (void *) &ifr);
4213 fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n");
4217 pstrcpy(ifname, ifname_size, ifr.ifr_name);
4218 fcntl(fd, F_SETFL, O_NONBLOCK);
4223 static int launch_script(const char *setup_script, const char *ifname, int fd)
4229 /* try to launch network script */
4233 int open_max = sysconf (_SC_OPEN_MAX), i;
4234 for (i = 0; i < open_max; i++)
4235 if (i != STDIN_FILENO &&
4236 i != STDOUT_FILENO &&
4237 i != STDERR_FILENO &&
4242 *parg++ = (char *)setup_script;
4243 *parg++ = (char *)ifname;
4245 execv(setup_script, args);
4248 while (waitpid(pid, &status, 0) != pid);
4249 if (!WIFEXITED(status) ||
4250 WEXITSTATUS(status) != 0) {
4251 fprintf(stderr, "%s: could not launch network script\n",
4259 static int net_tap_init(VLANState *vlan, const char *ifname1,
4260 const char *setup_script, const char *down_script)
4266 if (ifname1 != NULL)
4267 pstrcpy(ifname, sizeof(ifname), ifname1);
4270 TFR(fd = tap_open(ifname, sizeof(ifname)));
4274 if (!setup_script || !strcmp(setup_script, "no"))
4276 if (setup_script[0] != '\0') {
4277 if (launch_script(setup_script, ifname, fd))
4280 s = net_tap_fd_init(vlan, fd);
4283 snprintf(s->vc->info_str, sizeof(s->vc->info_str),
4284 "tap: ifname=%s setup_script=%s", ifname, setup_script);
4285 if (down_script && strcmp(down_script, "no"))
4286 snprintf(s->down_script, sizeof(s->down_script), "%s", down_script);
4290 #endif /* !_WIN32 */
4292 /* network connection */
4293 typedef struct NetSocketState {
4294 VLANClientState *vc;
4296 int state; /* 0 = getting length, 1 = getting data */
4300 struct sockaddr_in dgram_dst; /* contains inet host and port destination iff connectionless (SOCK_DGRAM) */
4303 typedef struct NetSocketListenState {
4306 } NetSocketListenState;
4308 /* XXX: we consider we can send the whole packet without blocking */
4309 static void net_socket_receive(void *opaque, const uint8_t *buf, int size)
4311 NetSocketState *s = opaque;
4315 send_all(s->fd, (const uint8_t *)&len, sizeof(len));
4316 send_all(s->fd, buf, size);
4319 static void net_socket_receive_dgram(void *opaque, const uint8_t *buf, int size)
4321 NetSocketState *s = opaque;
4322 sendto(s->fd, buf, size, 0,
4323 (struct sockaddr *)&s->dgram_dst, sizeof(s->dgram_dst));
4326 static void net_socket_send(void *opaque)
4328 NetSocketState *s = opaque;
4333 size = recv(s->fd, buf1, sizeof(buf1), 0);
4335 err = socket_error();
4336 if (err != EWOULDBLOCK)
4338 } else if (size == 0) {
4339 /* end of connection */
4341 qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
4347 /* reassemble a packet from the network */
4353 memcpy(s->buf + s->index, buf, l);
4357 if (s->index == 4) {
4359 s->packet_len = ntohl(*(uint32_t *)s->buf);
4365 l = s->packet_len - s->index;
4368 memcpy(s->buf + s->index, buf, l);
4372 if (s->index >= s->packet_len) {
4373 qemu_send_packet(s->vc, s->buf, s->packet_len);
4382 static void net_socket_send_dgram(void *opaque)
4384 NetSocketState *s = opaque;
4387 size = recv(s->fd, s->buf, sizeof(s->buf), 0);
4391 /* end of connection */
4392 qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
4395 qemu_send_packet(s->vc, s->buf, size);
4398 static int net_socket_mcast_create(struct sockaddr_in *mcastaddr)
4403 if (!IN_MULTICAST(ntohl(mcastaddr->sin_addr.s_addr))) {
4404 fprintf(stderr, "qemu: error: specified mcastaddr \"%s\" (0x%08x) does not contain a multicast address\n",
4405 inet_ntoa(mcastaddr->sin_addr),
4406 (int)ntohl(mcastaddr->sin_addr.s_addr));
4410 fd = socket(PF_INET, SOCK_DGRAM, 0);
4412 perror("socket(PF_INET, SOCK_DGRAM)");
4417 ret=setsockopt(fd, SOL_SOCKET, SO_REUSEADDR,
4418 (const char *)&val, sizeof(val));
4420 perror("setsockopt(SOL_SOCKET, SO_REUSEADDR)");
4424 ret = bind(fd, (struct sockaddr *)mcastaddr, sizeof(*mcastaddr));
4430 /* Add host to multicast group */
4431 imr.imr_multiaddr = mcastaddr->sin_addr;
4432 imr.imr_interface.s_addr = htonl(INADDR_ANY);
4434 ret = setsockopt(fd, IPPROTO_IP, IP_ADD_MEMBERSHIP,
4435 (const char *)&imr, sizeof(struct ip_mreq));
4437 perror("setsockopt(IP_ADD_MEMBERSHIP)");
4441 /* Force mcast msgs to loopback (eg. several QEMUs in same host */
4443 ret=setsockopt(fd, IPPROTO_IP, IP_MULTICAST_LOOP,
4444 (const char *)&val, sizeof(val));
4446 perror("setsockopt(SOL_IP, IP_MULTICAST_LOOP)");
4450 socket_set_nonblock(fd);
4458 static NetSocketState *net_socket_fd_init_dgram(VLANState *vlan, int fd,
4461 struct sockaddr_in saddr;
4463 socklen_t saddr_len;
4466 /* fd passed: multicast: "learn" dgram_dst address from bound address and save it
4467 * Because this may be "shared" socket from a "master" process, datagrams would be recv()
4468 * by ONLY ONE process: we must "clone" this dgram socket --jjo
4472 if (getsockname(fd, (struct sockaddr *) &saddr, &saddr_len) == 0) {
4474 if (saddr.sin_addr.s_addr==0) {
4475 fprintf(stderr, "qemu: error: init_dgram: fd=%d unbound, cannot setup multicast dst addr\n",
4479 /* clone dgram socket */
4480 newfd = net_socket_mcast_create(&saddr);
4482 /* error already reported by net_socket_mcast_create() */
4486 /* clone newfd to fd, close newfd */
4491 fprintf(stderr, "qemu: error: init_dgram: fd=%d failed getsockname(): %s\n",
4492 fd, strerror(errno));
4497 s = qemu_mallocz(sizeof(NetSocketState));
4502 s->vc = qemu_new_vlan_client(vlan, net_socket_receive_dgram, NULL, s);
4503 qemu_set_fd_handler(s->fd, net_socket_send_dgram, NULL, s);
4505 /* mcast: save bound address as dst */
4506 if (is_connected) s->dgram_dst=saddr;
4508 snprintf(s->vc->info_str, sizeof(s->vc->info_str),
4509 "socket: fd=%d (%s mcast=%s:%d)",
4510 fd, is_connected? "cloned" : "",
4511 inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
4515 static void net_socket_connect(void *opaque)
4517 NetSocketState *s = opaque;
4518 qemu_set_fd_handler(s->fd, net_socket_send, NULL, s);
4521 static NetSocketState *net_socket_fd_init_stream(VLANState *vlan, int fd,
4525 s = qemu_mallocz(sizeof(NetSocketState));
4529 s->vc = qemu_new_vlan_client(vlan,
4530 net_socket_receive, NULL, s);
4531 snprintf(s->vc->info_str, sizeof(s->vc->info_str),
4532 "socket: fd=%d", fd);
4534 net_socket_connect(s);
4536 qemu_set_fd_handler(s->fd, NULL, net_socket_connect, s);
4541 static NetSocketState *net_socket_fd_init(VLANState *vlan, int fd,
4544 int so_type=-1, optlen=sizeof(so_type);
4546 if(getsockopt(fd, SOL_SOCKET, SO_TYPE, (char *)&so_type,
4547 (socklen_t *)&optlen)< 0) {
4548 fprintf(stderr, "qemu: error: getsockopt(SO_TYPE) for fd=%d failed\n", fd);
4553 return net_socket_fd_init_dgram(vlan, fd, is_connected);
4555 return net_socket_fd_init_stream(vlan, fd, is_connected);
4557 /* who knows ... this could be a eg. a pty, do warn and continue as stream */
4558 fprintf(stderr, "qemu: warning: socket type=%d for fd=%d is not SOCK_DGRAM or SOCK_STREAM\n", so_type, fd);
4559 return net_socket_fd_init_stream(vlan, fd, is_connected);
4564 static void net_socket_accept(void *opaque)
4566 NetSocketListenState *s = opaque;
4568 struct sockaddr_in saddr;
4573 len = sizeof(saddr);
4574 fd = accept(s->fd, (struct sockaddr *)&saddr, &len);
4575 if (fd < 0 && errno != EINTR) {
4577 } else if (fd >= 0) {
4581 s1 = net_socket_fd_init(s->vlan, fd, 1);
4585 snprintf(s1->vc->info_str, sizeof(s1->vc->info_str),
4586 "socket: connection from %s:%d",
4587 inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
4591 static int net_socket_listen_init(VLANState *vlan, const char *host_str)
4593 NetSocketListenState *s;
4595 struct sockaddr_in saddr;
4597 if (parse_host_port(&saddr, host_str) < 0)
4600 s = qemu_mallocz(sizeof(NetSocketListenState));
4604 fd = socket(PF_INET, SOCK_STREAM, 0);
4609 socket_set_nonblock(fd);
4611 /* allow fast reuse */
4613 setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&val, sizeof(val));
4615 ret = bind(fd, (struct sockaddr *)&saddr, sizeof(saddr));
4620 ret = listen(fd, 0);
4627 qemu_set_fd_handler(fd, net_socket_accept, NULL, s);
4631 static int net_socket_connect_init(VLANState *vlan, const char *host_str)
4634 int fd, connected, ret, err;
4635 struct sockaddr_in saddr;
4637 if (parse_host_port(&saddr, host_str) < 0)
4640 fd = socket(PF_INET, SOCK_STREAM, 0);
4645 socket_set_nonblock(fd);
4649 ret = connect(fd, (struct sockaddr *)&saddr, sizeof(saddr));
4651 err = socket_error();
4652 if (err == EINTR || err == EWOULDBLOCK) {
4653 } else if (err == EINPROGRESS) {
4656 } else if (err == WSAEALREADY) {
4669 s = net_socket_fd_init(vlan, fd, connected);
4672 snprintf(s->vc->info_str, sizeof(s->vc->info_str),
4673 "socket: connect to %s:%d",
4674 inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
4678 static int net_socket_mcast_init(VLANState *vlan, const char *host_str)
4682 struct sockaddr_in saddr;
4684 if (parse_host_port(&saddr, host_str) < 0)
4688 fd = net_socket_mcast_create(&saddr);
4692 s = net_socket_fd_init(vlan, fd, 0);
4696 s->dgram_dst = saddr;
4698 snprintf(s->vc->info_str, sizeof(s->vc->info_str),
4699 "socket: mcast=%s:%d",
4700 inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
4705 static const char *get_opt_name(char *buf, int buf_size, const char *p)
4710 while (*p != '\0' && *p != '=') {
4711 if (q && (q - buf) < buf_size - 1)
4721 static const char *get_opt_value(char *buf, int buf_size, const char *p)
4726 while (*p != '\0') {
4728 if (*(p + 1) != ',')
4732 if (q && (q - buf) < buf_size - 1)
4742 static int get_param_value(char *buf, int buf_size,
4743 const char *tag, const char *str)
4750 p = get_opt_name(option, sizeof(option), p);
4754 if (!strcmp(tag, option)) {
4755 (void)get_opt_value(buf, buf_size, p);
4758 p = get_opt_value(NULL, 0, p);
4767 static int check_params(char *buf, int buf_size,
4768 char **params, const char *str)
4775 p = get_opt_name(buf, buf_size, p);
4779 for(i = 0; params[i] != NULL; i++)
4780 if (!strcmp(params[i], buf))
4782 if (params[i] == NULL)
4784 p = get_opt_value(NULL, 0, p);
4793 static int net_client_init(const char *str)
4804 while (*p != '\0' && *p != ',') {
4805 if ((q - device) < sizeof(device) - 1)
4813 if (get_param_value(buf, sizeof(buf), "vlan", p)) {
4814 vlan_id = strtol(buf, NULL, 0);
4816 vlan = qemu_find_vlan(vlan_id);
4818 fprintf(stderr, "Could not create vlan %d\n", vlan_id);
4821 if (!strcmp(device, "nic")) {
4825 if (nb_nics >= MAX_NICS) {
4826 fprintf(stderr, "Too Many NICs\n");
4829 nd = &nd_table[nb_nics];
4830 macaddr = nd->macaddr;
4836 macaddr[5] = 0x56 + nb_nics;
4838 if (get_param_value(buf, sizeof(buf), "macaddr", p)) {
4839 if (parse_macaddr(macaddr, buf) < 0) {
4840 fprintf(stderr, "invalid syntax for ethernet address\n");
4844 if (get_param_value(buf, sizeof(buf), "model", p)) {
4845 nd->model = strdup(buf);
4849 vlan->nb_guest_devs++;
4852 if (!strcmp(device, "none")) {
4853 /* does nothing. It is needed to signal that no network cards
4858 if (!strcmp(device, "user")) {
4859 if (get_param_value(buf, sizeof(buf), "hostname", p)) {
4860 pstrcpy(slirp_hostname, sizeof(slirp_hostname), buf);
4862 vlan->nb_host_devs++;
4863 ret = net_slirp_init(vlan);
4867 if (!strcmp(device, "tap")) {
4869 if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) {
4870 fprintf(stderr, "tap: no interface name\n");
4873 vlan->nb_host_devs++;
4874 ret = tap_win32_init(vlan, ifname);
4877 if (!strcmp(device, "tap")) {
4879 char setup_script[1024], down_script[1024];
4881 vlan->nb_host_devs++;
4882 if (get_param_value(buf, sizeof(buf), "fd", p) > 0) {
4883 fd = strtol(buf, NULL, 0);
4884 fcntl(fd, F_SETFL, O_NONBLOCK);
4886 if (net_tap_fd_init(vlan, fd))
4889 if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) {
4892 if (get_param_value(setup_script, sizeof(setup_script), "script", p) == 0) {
4893 pstrcpy(setup_script, sizeof(setup_script), DEFAULT_NETWORK_SCRIPT);
4895 if (get_param_value(down_script, sizeof(down_script), "downscript", p) == 0) {
4896 pstrcpy(down_script, sizeof(down_script), DEFAULT_NETWORK_DOWN_SCRIPT);
4898 ret = net_tap_init(vlan, ifname, setup_script, down_script);
4902 if (!strcmp(device, "socket")) {
4903 if (get_param_value(buf, sizeof(buf), "fd", p) > 0) {
4905 fd = strtol(buf, NULL, 0);
4907 if (net_socket_fd_init(vlan, fd, 1))
4909 } else if (get_param_value(buf, sizeof(buf), "listen", p) > 0) {
4910 ret = net_socket_listen_init(vlan, buf);
4911 } else if (get_param_value(buf, sizeof(buf), "connect", p) > 0) {
4912 ret = net_socket_connect_init(vlan, buf);
4913 } else if (get_param_value(buf, sizeof(buf), "mcast", p) > 0) {
4914 ret = net_socket_mcast_init(vlan, buf);
4916 fprintf(stderr, "Unknown socket options: %s\n", p);
4919 vlan->nb_host_devs++;
4922 fprintf(stderr, "Unknown network device: %s\n", device);
4926 fprintf(stderr, "Could not initialize device '%s'\n", device);
4932 void do_info_network(void)
4935 VLANClientState *vc;
4937 for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) {
4938 term_printf("VLAN %d devices:\n", vlan->id);
4939 for(vc = vlan->first_client; vc != NULL; vc = vc->next)
4940 term_printf(" %s\n", vc->info_str);
4944 #define HD_ALIAS "index=%d,media=disk"
4946 #define CDROM_ALIAS "index=1,media=cdrom"
4948 #define CDROM_ALIAS "index=2,media=cdrom"
4950 #define FD_ALIAS "index=%d,if=floppy"
4951 #define PFLASH_ALIAS "if=pflash"
4952 #define MTD_ALIAS "if=mtd"
4953 #define SD_ALIAS "index=0,if=sd"
4955 static int drive_add(const char *file, const char *fmt, ...)
4959 if (nb_drives_opt >= MAX_DRIVES) {
4960 fprintf(stderr, "qemu: too many drives\n");
4964 drives_opt[nb_drives_opt].file = file;
4966 vsnprintf(drives_opt[nb_drives_opt].opt,
4967 sizeof(drives_opt[0].opt), fmt, ap);
4970 return nb_drives_opt++;
4973 int drive_get_index(BlockInterfaceType type, int bus, int unit)
4977 /* seek interface, bus and unit */
4979 for (index = 0; index < nb_drives; index++)
4980 if (drives_table[index].type == type &&
4981 drives_table[index].bus == bus &&
4982 drives_table[index].unit == unit)
4988 int drive_get_max_bus(BlockInterfaceType type)
4994 for (index = 0; index < nb_drives; index++) {
4995 if(drives_table[index].type == type &&
4996 drives_table[index].bus > max_bus)
4997 max_bus = drives_table[index].bus;
5002 static void bdrv_format_print(void *opaque, const char *name)
5004 fprintf(stderr, " %s", name);
5007 static int drive_init(struct drive_opt *arg, int snapshot,
5008 QEMUMachine *machine)
5013 const char *mediastr = "";
5014 BlockInterfaceType type;
5015 enum { MEDIA_DISK, MEDIA_CDROM } media;
5016 int bus_id, unit_id;
5017 int cyls, heads, secs, translation;
5018 BlockDriverState *bdrv;
5019 BlockDriver *drv = NULL;
5024 char *str = arg->opt;
5025 char *params[] = { "bus", "unit", "if", "index", "cyls", "heads",
5026 "secs", "trans", "media", "snapshot", "file",
5027 "cache", "format", NULL };
5029 if (check_params(buf, sizeof(buf), params, str) < 0) {
5030 fprintf(stderr, "qemu: unknown parameter '%s' in '%s'\n",
5036 cyls = heads = secs = 0;
5039 translation = BIOS_ATA_TRANSLATION_AUTO;
5043 if (!strcmp(machine->name, "realview") ||
5044 !strcmp(machine->name, "SS-5") ||
5045 !strcmp(machine->name, "SS-10") ||
5046 !strcmp(machine->name, "SS-600MP") ||
5047 !strcmp(machine->name, "versatilepb") ||
5048 !strcmp(machine->name, "versatileab")) {
5050 max_devs = MAX_SCSI_DEVS;
5051 strcpy(devname, "scsi");
5054 max_devs = MAX_IDE_DEVS;
5055 strcpy(devname, "ide");
5059 /* extract parameters */
5061 if (get_param_value(buf, sizeof(buf), "bus", str)) {
5062 bus_id = strtol(buf, NULL, 0);
5064 fprintf(stderr, "qemu: '%s' invalid bus id\n", str);
5069 if (get_param_value(buf, sizeof(buf), "unit", str)) {
5070 unit_id = strtol(buf, NULL, 0);
5072 fprintf(stderr, "qemu: '%s' invalid unit id\n", str);
5077 if (get_param_value(buf, sizeof(buf), "if", str)) {
5078 strncpy(devname, buf, sizeof(devname));
5079 if (!strcmp(buf, "ide")) {
5081 max_devs = MAX_IDE_DEVS;
5082 } else if (!strcmp(buf, "scsi")) {
5084 max_devs = MAX_SCSI_DEVS;
5085 } else if (!strcmp(buf, "floppy")) {
5088 } else if (!strcmp(buf, "pflash")) {
5091 } else if (!strcmp(buf, "mtd")) {
5094 } else if (!strcmp(buf, "sd")) {
5098 fprintf(stderr, "qemu: '%s' unsupported bus type '%s'\n", str, buf);
5103 if (get_param_value(buf, sizeof(buf), "index", str)) {
5104 index = strtol(buf, NULL, 0);
5106 fprintf(stderr, "qemu: '%s' invalid index\n", str);
5111 if (get_param_value(buf, sizeof(buf), "cyls", str)) {
5112 cyls = strtol(buf, NULL, 0);
5115 if (get_param_value(buf, sizeof(buf), "heads", str)) {
5116 heads = strtol(buf, NULL, 0);
5119 if (get_param_value(buf, sizeof(buf), "secs", str)) {
5120 secs = strtol(buf, NULL, 0);
5123 if (cyls || heads || secs) {
5124 if (cyls < 1 || cyls > 16383) {
5125 fprintf(stderr, "qemu: '%s' invalid physical cyls number\n", str);
5128 if (heads < 1 || heads > 16) {
5129 fprintf(stderr, "qemu: '%s' invalid physical heads number\n", str);
5132 if (secs < 1 || secs > 63) {
5133 fprintf(stderr, "qemu: '%s' invalid physical secs number\n", str);
5138 if (get_param_value(buf, sizeof(buf), "trans", str)) {
5141 "qemu: '%s' trans must be used with cyls,heads and secs\n",
5145 if (!strcmp(buf, "none"))
5146 translation = BIOS_ATA_TRANSLATION_NONE;
5147 else if (!strcmp(buf, "lba"))
5148 translation = BIOS_ATA_TRANSLATION_LBA;
5149 else if (!strcmp(buf, "auto"))
5150 translation = BIOS_ATA_TRANSLATION_AUTO;
5152 fprintf(stderr, "qemu: '%s' invalid translation type\n", str);
5157 if (get_param_value(buf, sizeof(buf), "media", str)) {
5158 if (!strcmp(buf, "disk")) {
5160 } else if (!strcmp(buf, "cdrom")) {
5161 if (cyls || secs || heads) {
5163 "qemu: '%s' invalid physical CHS format\n", str);
5166 media = MEDIA_CDROM;
5168 fprintf(stderr, "qemu: '%s' invalid media\n", str);
5173 if (get_param_value(buf, sizeof(buf), "snapshot", str)) {
5174 if (!strcmp(buf, "on"))
5176 else if (!strcmp(buf, "off"))
5179 fprintf(stderr, "qemu: '%s' invalid snapshot option\n", str);
5184 if (get_param_value(buf, sizeof(buf), "cache", str)) {
5185 if (!strcmp(buf, "off"))
5187 else if (!strcmp(buf, "on"))
5190 fprintf(stderr, "qemu: invalid cache option\n");
5195 if (get_param_value(buf, sizeof(buf), "format", str)) {
5196 if (strcmp(buf, "?") == 0) {
5197 fprintf(stderr, "qemu: Supported formats:");
5198 bdrv_iterate_format(bdrv_format_print, NULL);
5199 fprintf(stderr, "\n");
5202 drv = bdrv_find_format(buf);
5204 fprintf(stderr, "qemu: '%s' invalid format\n", buf);
5209 if (arg->file == NULL)
5210 get_param_value(file, sizeof(file), "file", str);
5212 pstrcpy(file, sizeof(file), arg->file);
5214 /* compute bus and unit according index */
5217 if (bus_id != 0 || unit_id != -1) {
5219 "qemu: '%s' index cannot be used with bus and unit\n", str);
5227 unit_id = index % max_devs;
5228 bus_id = index / max_devs;
5232 /* if user doesn't specify a unit_id,
5233 * try to find the first free
5236 if (unit_id == -1) {
5238 while (drive_get_index(type, bus_id, unit_id) != -1) {
5240 if (max_devs && unit_id >= max_devs) {
5241 unit_id -= max_devs;
5249 if (max_devs && unit_id >= max_devs) {
5250 fprintf(stderr, "qemu: '%s' unit %d too big (max is %d)\n",
5251 str, unit_id, max_devs - 1);
5256 * ignore multiple definitions
5259 if (drive_get_index(type, bus_id, unit_id) != -1)
5264 if (type == IF_IDE || type == IF_SCSI)
5265 mediastr = (media == MEDIA_CDROM) ? "-cd" : "-hd";
5267 snprintf(buf, sizeof(buf), "%s%i%s%i",
5268 devname, bus_id, mediastr, unit_id);
5270 snprintf(buf, sizeof(buf), "%s%s%i",
5271 devname, mediastr, unit_id);
5272 bdrv = bdrv_new(buf);
5273 drives_table[nb_drives].bdrv = bdrv;
5274 drives_table[nb_drives].type = type;
5275 drives_table[nb_drives].bus = bus_id;
5276 drives_table[nb_drives].unit = unit_id;
5285 bdrv_set_geometry_hint(bdrv, cyls, heads, secs);
5286 bdrv_set_translation_hint(bdrv, translation);
5290 bdrv_set_type_hint(bdrv, BDRV_TYPE_CDROM);
5295 /* FIXME: This isn't really a floppy, but it's a reasonable
5298 bdrv_set_type_hint(bdrv, BDRV_TYPE_FLOPPY);
5308 bdrv_flags |= BDRV_O_SNAPSHOT;
5310 bdrv_flags |= BDRV_O_DIRECT;
5311 if (bdrv_open2(bdrv, file, bdrv_flags, drv) < 0 || qemu_key_check(bdrv, file)) {
5312 fprintf(stderr, "qemu: could not open disk image %s\n",
5319 /***********************************************************/
5322 static USBPort *used_usb_ports;
5323 static USBPort *free_usb_ports;
5325 /* ??? Maybe change this to register a hub to keep track of the topology. */
5326 void qemu_register_usb_port(USBPort *port, void *opaque, int index,
5327 usb_attachfn attach)
5329 port->opaque = opaque;
5330 port->index = index;
5331 port->attach = attach;
5332 port->next = free_usb_ports;
5333 free_usb_ports = port;
5336 static int usb_device_add(const char *devname)
5342 if (!free_usb_ports)
5345 if (strstart(devname, "host:", &p)) {
5346 dev = usb_host_device_open(p);
5347 } else if (!strcmp(devname, "mouse")) {
5348 dev = usb_mouse_init();
5349 } else if (!strcmp(devname, "tablet")) {
5350 dev = usb_tablet_init();
5351 } else if (!strcmp(devname, "keyboard")) {
5352 dev = usb_keyboard_init();
5353 } else if (strstart(devname, "disk:", &p)) {
5354 dev = usb_msd_init(p);
5355 } else if (!strcmp(devname, "wacom-tablet")) {
5356 dev = usb_wacom_init();
5357 } else if (strstart(devname, "serial:", &p)) {
5358 dev = usb_serial_init(p);
5359 #ifdef CONFIG_BRLAPI
5360 } else if (!strcmp(devname, "braille")) {
5361 dev = usb_baum_init();
5369 /* Find a USB port to add the device to. */
5370 port = free_usb_ports;
5374 /* Create a new hub and chain it on. */
5375 free_usb_ports = NULL;
5376 port->next = used_usb_ports;
5377 used_usb_ports = port;
5379 hub = usb_hub_init(VM_USB_HUB_SIZE);
5380 usb_attach(port, hub);
5381 port = free_usb_ports;
5384 free_usb_ports = port->next;
5385 port->next = used_usb_ports;
5386 used_usb_ports = port;
5387 usb_attach(port, dev);
5391 static int usb_device_del(const char *devname)
5399 if (!used_usb_ports)
5402 p = strchr(devname, '.');
5405 bus_num = strtoul(devname, NULL, 0);
5406 addr = strtoul(p + 1, NULL, 0);
5410 lastp = &used_usb_ports;
5411 port = used_usb_ports;
5412 while (port && port->dev->addr != addr) {
5413 lastp = &port->next;
5421 *lastp = port->next;
5422 usb_attach(port, NULL);
5423 dev->handle_destroy(dev);
5424 port->next = free_usb_ports;
5425 free_usb_ports = port;
5429 void do_usb_add(const char *devname)
5432 ret = usb_device_add(devname);
5434 term_printf("Could not add USB device '%s'\n", devname);
5437 void do_usb_del(const char *devname)
5440 ret = usb_device_del(devname);
5442 term_printf("Could not remove USB device '%s'\n", devname);
5449 const char *speed_str;
5452 term_printf("USB support not enabled\n");
5456 for (port = used_usb_ports; port; port = port->next) {
5460 switch(dev->speed) {
5464 case USB_SPEED_FULL:
5467 case USB_SPEED_HIGH:
5474 term_printf(" Device %d.%d, Speed %s Mb/s, Product %s\n",
5475 0, dev->addr, speed_str, dev->devname);
5479 /***********************************************************/
5480 /* PCMCIA/Cardbus */
5482 static struct pcmcia_socket_entry_s {
5483 struct pcmcia_socket_s *socket;
5484 struct pcmcia_socket_entry_s *next;
5485 } *pcmcia_sockets = 0;
5487 void pcmcia_socket_register(struct pcmcia_socket_s *socket)
5489 struct pcmcia_socket_entry_s *entry;
5491 entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s));
5492 entry->socket = socket;
5493 entry->next = pcmcia_sockets;
5494 pcmcia_sockets = entry;
5497 void pcmcia_socket_unregister(struct pcmcia_socket_s *socket)
5499 struct pcmcia_socket_entry_s *entry, **ptr;
5501 ptr = &pcmcia_sockets;
5502 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
5503 if (entry->socket == socket) {
5509 void pcmcia_info(void)
5511 struct pcmcia_socket_entry_s *iter;
5512 if (!pcmcia_sockets)
5513 term_printf("No PCMCIA sockets\n");
5515 for (iter = pcmcia_sockets; iter; iter = iter->next)
5516 term_printf("%s: %s\n", iter->socket->slot_string,
5517 iter->socket->attached ? iter->socket->card_string :
5521 /***********************************************************/
5524 static void dumb_update(DisplayState *ds, int x, int y, int w, int h)
5528 static void dumb_resize(DisplayState *ds, int w, int h)
5532 static void dumb_refresh(DisplayState *ds)
5534 #if defined(CONFIG_SDL)
5539 static void dumb_display_init(DisplayState *ds)
5544 ds->dpy_update = dumb_update;
5545 ds->dpy_resize = dumb_resize;
5546 ds->dpy_refresh = dumb_refresh;
5549 /***********************************************************/
5552 #define MAX_IO_HANDLERS 64
5554 typedef struct IOHandlerRecord {
5556 IOCanRWHandler *fd_read_poll;
5558 IOHandler *fd_write;
5561 /* temporary data */
5563 struct IOHandlerRecord *next;
5566 static IOHandlerRecord *first_io_handler;
5568 /* XXX: fd_read_poll should be suppressed, but an API change is
5569 necessary in the character devices to suppress fd_can_read(). */
5570 int qemu_set_fd_handler2(int fd,
5571 IOCanRWHandler *fd_read_poll,
5573 IOHandler *fd_write,
5576 IOHandlerRecord **pioh, *ioh;
5578 if (!fd_read && !fd_write) {
5579 pioh = &first_io_handler;
5584 if (ioh->fd == fd) {
5591 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
5595 ioh = qemu_mallocz(sizeof(IOHandlerRecord));
5598 ioh->next = first_io_handler;
5599 first_io_handler = ioh;
5602 ioh->fd_read_poll = fd_read_poll;
5603 ioh->fd_read = fd_read;
5604 ioh->fd_write = fd_write;
5605 ioh->opaque = opaque;
5611 int qemu_set_fd_handler(int fd,
5613 IOHandler *fd_write,
5616 return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque);
5619 /***********************************************************/
5620 /* Polling handling */
5622 typedef struct PollingEntry {
5625 struct PollingEntry *next;
5628 static PollingEntry *first_polling_entry;
5630 int qemu_add_polling_cb(PollingFunc *func, void *opaque)
5632 PollingEntry **ppe, *pe;
5633 pe = qemu_mallocz(sizeof(PollingEntry));
5637 pe->opaque = opaque;
5638 for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next);
5643 void qemu_del_polling_cb(PollingFunc *func, void *opaque)
5645 PollingEntry **ppe, *pe;
5646 for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) {
5648 if (pe->func == func && pe->opaque == opaque) {
5657 /***********************************************************/
5658 /* Wait objects support */
5659 typedef struct WaitObjects {
5661 HANDLE events[MAXIMUM_WAIT_OBJECTS + 1];
5662 WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1];
5663 void *opaque[MAXIMUM_WAIT_OBJECTS + 1];
5666 static WaitObjects wait_objects = {0};
5668 int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
5670 WaitObjects *w = &wait_objects;
5672 if (w->num >= MAXIMUM_WAIT_OBJECTS)
5674 w->events[w->num] = handle;
5675 w->func[w->num] = func;
5676 w->opaque[w->num] = opaque;
5681 void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
5684 WaitObjects *w = &wait_objects;
5687 for (i = 0; i < w->num; i++) {
5688 if (w->events[i] == handle)
5691 w->events[i] = w->events[i + 1];
5692 w->func[i] = w->func[i + 1];
5693 w->opaque[i] = w->opaque[i + 1];
5701 /***********************************************************/
5702 /* savevm/loadvm support */
5704 #define IO_BUF_SIZE 32768
5708 BlockDriverState *bs;
5711 int64_t base_offset;
5712 int64_t buf_offset; /* start of buffer when writing, end of buffer
5715 int buf_size; /* 0 when writing */
5716 uint8_t buf[IO_BUF_SIZE];
5719 QEMUFile *qemu_fopen(const char *filename, const char *mode)
5723 f = qemu_mallocz(sizeof(QEMUFile));
5726 if (!strcmp(mode, "wb")) {
5728 } else if (!strcmp(mode, "rb")) {
5733 f->outfile = fopen(filename, mode);
5745 static QEMUFile *qemu_fopen_bdrv(BlockDriverState *bs, int64_t offset, int is_writable)
5749 f = qemu_mallocz(sizeof(QEMUFile));
5754 f->is_writable = is_writable;
5755 f->base_offset = offset;
5759 void qemu_fflush(QEMUFile *f)
5761 if (!f->is_writable)
5763 if (f->buf_index > 0) {
5765 fseek(f->outfile, f->buf_offset, SEEK_SET);
5766 fwrite(f->buf, 1, f->buf_index, f->outfile);
5768 bdrv_pwrite(f->bs, f->base_offset + f->buf_offset,
5769 f->buf, f->buf_index);
5771 f->buf_offset += f->buf_index;
5776 static void qemu_fill_buffer(QEMUFile *f)
5783 fseek(f->outfile, f->buf_offset, SEEK_SET);
5784 len = fread(f->buf, 1, IO_BUF_SIZE, f->outfile);
5788 len = bdrv_pread(f->bs, f->base_offset + f->buf_offset,
5789 f->buf, IO_BUF_SIZE);
5795 f->buf_offset += len;
5798 void qemu_fclose(QEMUFile *f)
5808 void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size)
5812 l = IO_BUF_SIZE - f->buf_index;
5815 memcpy(f->buf + f->buf_index, buf, l);
5819 if (f->buf_index >= IO_BUF_SIZE)
5824 void qemu_put_byte(QEMUFile *f, int v)
5826 f->buf[f->buf_index++] = v;
5827 if (f->buf_index >= IO_BUF_SIZE)
5831 int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size1)
5837 l = f->buf_size - f->buf_index;
5839 qemu_fill_buffer(f);
5840 l = f->buf_size - f->buf_index;
5846 memcpy(buf, f->buf + f->buf_index, l);
5851 return size1 - size;
5854 int qemu_get_byte(QEMUFile *f)
5856 if (f->buf_index >= f->buf_size) {
5857 qemu_fill_buffer(f);
5858 if (f->buf_index >= f->buf_size)
5861 return f->buf[f->buf_index++];
5864 int64_t qemu_ftell(QEMUFile *f)
5866 return f->buf_offset - f->buf_size + f->buf_index;
5869 int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence)
5871 if (whence == SEEK_SET) {
5873 } else if (whence == SEEK_CUR) {
5874 pos += qemu_ftell(f);
5876 /* SEEK_END not supported */
5879 if (f->is_writable) {
5881 f->buf_offset = pos;
5883 f->buf_offset = pos;
5890 void qemu_put_be16(QEMUFile *f, unsigned int v)
5892 qemu_put_byte(f, v >> 8);
5893 qemu_put_byte(f, v);
5896 void qemu_put_be32(QEMUFile *f, unsigned int v)
5898 qemu_put_byte(f, v >> 24);
5899 qemu_put_byte(f, v >> 16);
5900 qemu_put_byte(f, v >> 8);
5901 qemu_put_byte(f, v);
5904 void qemu_put_be64(QEMUFile *f, uint64_t v)
5906 qemu_put_be32(f, v >> 32);
5907 qemu_put_be32(f, v);
5910 unsigned int qemu_get_be16(QEMUFile *f)
5913 v = qemu_get_byte(f) << 8;
5914 v |= qemu_get_byte(f);
5918 unsigned int qemu_get_be32(QEMUFile *f)
5921 v = qemu_get_byte(f) << 24;
5922 v |= qemu_get_byte(f) << 16;
5923 v |= qemu_get_byte(f) << 8;
5924 v |= qemu_get_byte(f);
5928 uint64_t qemu_get_be64(QEMUFile *f)
5931 v = (uint64_t)qemu_get_be32(f) << 32;
5932 v |= qemu_get_be32(f);
5936 typedef struct SaveStateEntry {
5940 SaveStateHandler *save_state;
5941 LoadStateHandler *load_state;
5943 struct SaveStateEntry *next;
5946 static SaveStateEntry *first_se;
5948 int register_savevm(const char *idstr,
5951 SaveStateHandler *save_state,
5952 LoadStateHandler *load_state,
5955 SaveStateEntry *se, **pse;
5957 se = qemu_malloc(sizeof(SaveStateEntry));
5960 pstrcpy(se->idstr, sizeof(se->idstr), idstr);
5961 se->instance_id = instance_id;
5962 se->version_id = version_id;
5963 se->save_state = save_state;
5964 se->load_state = load_state;
5965 se->opaque = opaque;
5968 /* add at the end of list */
5970 while (*pse != NULL)
5971 pse = &(*pse)->next;
5976 #define QEMU_VM_FILE_MAGIC 0x5145564d
5977 #define QEMU_VM_FILE_VERSION 0x00000002
5979 static int qemu_savevm_state(QEMUFile *f)
5983 int64_t cur_pos, len_pos, total_len_pos;
5985 qemu_put_be32(f, QEMU_VM_FILE_MAGIC);
5986 qemu_put_be32(f, QEMU_VM_FILE_VERSION);
5987 total_len_pos = qemu_ftell(f);
5988 qemu_put_be64(f, 0); /* total size */
5990 for(se = first_se; se != NULL; se = se->next) {
5992 len = strlen(se->idstr);
5993 qemu_put_byte(f, len);
5994 qemu_put_buffer(f, (uint8_t *)se->idstr, len);
5996 qemu_put_be32(f, se->instance_id);
5997 qemu_put_be32(f, se->version_id);
5999 /* record size: filled later */
6000 len_pos = qemu_ftell(f);
6001 qemu_put_be32(f, 0);
6002 se->save_state(f, se->opaque);
6004 /* fill record size */
6005 cur_pos = qemu_ftell(f);
6006 len = cur_pos - len_pos - 4;
6007 qemu_fseek(f, len_pos, SEEK_SET);
6008 qemu_put_be32(f, len);
6009 qemu_fseek(f, cur_pos, SEEK_SET);
6011 cur_pos = qemu_ftell(f);
6012 qemu_fseek(f, total_len_pos, SEEK_SET);
6013 qemu_put_be64(f, cur_pos - total_len_pos - 8);
6014 qemu_fseek(f, cur_pos, SEEK_SET);
6020 static SaveStateEntry *find_se(const char *idstr, int instance_id)
6024 for(se = first_se; se != NULL; se = se->next) {
6025 if (!strcmp(se->idstr, idstr) &&
6026 instance_id == se->instance_id)
6032 static int qemu_loadvm_state(QEMUFile *f)
6035 int len, ret, instance_id, record_len, version_id;
6036 int64_t total_len, end_pos, cur_pos;
6040 v = qemu_get_be32(f);
6041 if (v != QEMU_VM_FILE_MAGIC)
6043 v = qemu_get_be32(f);
6044 if (v != QEMU_VM_FILE_VERSION) {
6049 total_len = qemu_get_be64(f);
6050 end_pos = total_len + qemu_ftell(f);
6052 if (qemu_ftell(f) >= end_pos)
6054 len = qemu_get_byte(f);
6055 qemu_get_buffer(f, (uint8_t *)idstr, len);
6057 instance_id = qemu_get_be32(f);
6058 version_id = qemu_get_be32(f);
6059 record_len = qemu_get_be32(f);
6061 printf("idstr=%s instance=0x%x version=%d len=%d\n",
6062 idstr, instance_id, version_id, record_len);
6064 cur_pos = qemu_ftell(f);
6065 se = find_se(idstr, instance_id);
6067 fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n",
6068 instance_id, idstr);
6070 ret = se->load_state(f, se->opaque, version_id);
6072 fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n",
6073 instance_id, idstr);
6076 /* always seek to exact end of record */
6077 qemu_fseek(f, cur_pos + record_len, SEEK_SET);
6084 /* device can contain snapshots */
6085 static int bdrv_can_snapshot(BlockDriverState *bs)
6088 !bdrv_is_removable(bs) &&
6089 !bdrv_is_read_only(bs));
6092 /* device must be snapshots in order to have a reliable snapshot */
6093 static int bdrv_has_snapshot(BlockDriverState *bs)
6096 !bdrv_is_removable(bs) &&
6097 !bdrv_is_read_only(bs));
6100 static BlockDriverState *get_bs_snapshots(void)
6102 BlockDriverState *bs;
6106 return bs_snapshots;
6107 for(i = 0; i <= nb_drives; i++) {
6108 bs = drives_table[i].bdrv;
6109 if (bdrv_can_snapshot(bs))
6118 static int bdrv_snapshot_find(BlockDriverState *bs, QEMUSnapshotInfo *sn_info,
6121 QEMUSnapshotInfo *sn_tab, *sn;
6125 nb_sns = bdrv_snapshot_list(bs, &sn_tab);
6128 for(i = 0; i < nb_sns; i++) {
6130 if (!strcmp(sn->id_str, name) || !strcmp(sn->name, name)) {
6140 void do_savevm(const char *name)
6142 BlockDriverState *bs, *bs1;
6143 QEMUSnapshotInfo sn1, *sn = &sn1, old_sn1, *old_sn = &old_sn1;
6144 int must_delete, ret, i;
6145 BlockDriverInfo bdi1, *bdi = &bdi1;
6147 int saved_vm_running;
6154 bs = get_bs_snapshots();
6156 term_printf("No block device can accept snapshots\n");
6160 /* ??? Should this occur after vm_stop? */
6163 saved_vm_running = vm_running;
6168 ret = bdrv_snapshot_find(bs, old_sn, name);
6173 memset(sn, 0, sizeof(*sn));
6175 pstrcpy(sn->name, sizeof(sn->name), old_sn->name);
6176 pstrcpy(sn->id_str, sizeof(sn->id_str), old_sn->id_str);
6179 pstrcpy(sn->name, sizeof(sn->name), name);
6182 /* fill auxiliary fields */
6185 sn->date_sec = tb.time;
6186 sn->date_nsec = tb.millitm * 1000000;
6188 gettimeofday(&tv, NULL);
6189 sn->date_sec = tv.tv_sec;
6190 sn->date_nsec = tv.tv_usec * 1000;
6192 sn->vm_clock_nsec = qemu_get_clock(vm_clock);
6194 if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) {
6195 term_printf("Device %s does not support VM state snapshots\n",
6196 bdrv_get_device_name(bs));
6200 /* save the VM state */
6201 f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 1);
6203 term_printf("Could not open VM state file\n");
6206 ret = qemu_savevm_state(f);
6207 sn->vm_state_size = qemu_ftell(f);
6210 term_printf("Error %d while writing VM\n", ret);
6214 /* create the snapshots */
6216 for(i = 0; i < nb_drives; i++) {
6217 bs1 = drives_table[i].bdrv;
6218 if (bdrv_has_snapshot(bs1)) {
6220 ret = bdrv_snapshot_delete(bs1, old_sn->id_str);
6222 term_printf("Error while deleting snapshot on '%s'\n",
6223 bdrv_get_device_name(bs1));
6226 ret = bdrv_snapshot_create(bs1, sn);
6228 term_printf("Error while creating snapshot on '%s'\n",
6229 bdrv_get_device_name(bs1));
6235 if (saved_vm_running)
6239 void do_loadvm(const char *name)
6241 BlockDriverState *bs, *bs1;
6242 BlockDriverInfo bdi1, *bdi = &bdi1;
6245 int saved_vm_running;
6247 bs = get_bs_snapshots();
6249 term_printf("No block device supports snapshots\n");
6253 /* Flush all IO requests so they don't interfere with the new state. */
6256 saved_vm_running = vm_running;
6259 for(i = 0; i <= nb_drives; i++) {
6260 bs1 = drives_table[i].bdrv;
6261 if (bdrv_has_snapshot(bs1)) {
6262 ret = bdrv_snapshot_goto(bs1, name);
6265 term_printf("Warning: ");
6268 term_printf("Snapshots not supported on device '%s'\n",
6269 bdrv_get_device_name(bs1));
6272 term_printf("Could not find snapshot '%s' on device '%s'\n",
6273 name, bdrv_get_device_name(bs1));
6276 term_printf("Error %d while activating snapshot on '%s'\n",
6277 ret, bdrv_get_device_name(bs1));
6280 /* fatal on snapshot block device */
6287 if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) {
6288 term_printf("Device %s does not support VM state snapshots\n",
6289 bdrv_get_device_name(bs));
6293 /* restore the VM state */
6294 f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 0);
6296 term_printf("Could not open VM state file\n");
6299 ret = qemu_loadvm_state(f);
6302 term_printf("Error %d while loading VM state\n", ret);
6305 if (saved_vm_running)
6309 void do_delvm(const char *name)
6311 BlockDriverState *bs, *bs1;
6314 bs = get_bs_snapshots();
6316 term_printf("No block device supports snapshots\n");
6320 for(i = 0; i <= nb_drives; i++) {
6321 bs1 = drives_table[i].bdrv;
6322 if (bdrv_has_snapshot(bs1)) {
6323 ret = bdrv_snapshot_delete(bs1, name);
6325 if (ret == -ENOTSUP)
6326 term_printf("Snapshots not supported on device '%s'\n",
6327 bdrv_get_device_name(bs1));
6329 term_printf("Error %d while deleting snapshot on '%s'\n",
6330 ret, bdrv_get_device_name(bs1));
6336 void do_info_snapshots(void)
6338 BlockDriverState *bs, *bs1;
6339 QEMUSnapshotInfo *sn_tab, *sn;
6343 bs = get_bs_snapshots();
6345 term_printf("No available block device supports snapshots\n");
6348 term_printf("Snapshot devices:");
6349 for(i = 0; i <= nb_drives; i++) {
6350 bs1 = drives_table[i].bdrv;
6351 if (bdrv_has_snapshot(bs1)) {
6353 term_printf(" %s", bdrv_get_device_name(bs1));
6358 nb_sns = bdrv_snapshot_list(bs, &sn_tab);
6360 term_printf("bdrv_snapshot_list: error %d\n", nb_sns);
6363 term_printf("Snapshot list (from %s):\n", bdrv_get_device_name(bs));
6364 term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), NULL));
6365 for(i = 0; i < nb_sns; i++) {
6367 term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), sn));
6372 /***********************************************************/
6373 /* ram save/restore */
6375 static int ram_get_page(QEMUFile *f, uint8_t *buf, int len)
6379 v = qemu_get_byte(f);
6382 if (qemu_get_buffer(f, buf, len) != len)
6386 v = qemu_get_byte(f);
6387 memset(buf, v, len);
6395 static int ram_load_v1(QEMUFile *f, void *opaque)
6400 if (qemu_get_be32(f) != phys_ram_size)
6402 for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) {
6403 ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE);
6410 #define BDRV_HASH_BLOCK_SIZE 1024
6411 #define IOBUF_SIZE 4096
6412 #define RAM_CBLOCK_MAGIC 0xfabe
6414 typedef struct RamCompressState {
6417 uint8_t buf[IOBUF_SIZE];
6420 static int ram_compress_open(RamCompressState *s, QEMUFile *f)
6423 memset(s, 0, sizeof(*s));
6425 ret = deflateInit2(&s->zstream, 1,
6427 9, Z_DEFAULT_STRATEGY);
6430 s->zstream.avail_out = IOBUF_SIZE;
6431 s->zstream.next_out = s->buf;
6435 static void ram_put_cblock(RamCompressState *s, const uint8_t *buf, int len)
6437 qemu_put_be16(s->f, RAM_CBLOCK_MAGIC);
6438 qemu_put_be16(s->f, len);
6439 qemu_put_buffer(s->f, buf, len);
6442 static int ram_compress_buf(RamCompressState *s, const uint8_t *buf, int len)
6446 s->zstream.avail_in = len;
6447 s->zstream.next_in = (uint8_t *)buf;
6448 while (s->zstream.avail_in > 0) {
6449 ret = deflate(&s->zstream, Z_NO_FLUSH);
6452 if (s->zstream.avail_out == 0) {
6453 ram_put_cblock(s, s->buf, IOBUF_SIZE);
6454 s->zstream.avail_out = IOBUF_SIZE;
6455 s->zstream.next_out = s->buf;
6461 static void ram_compress_close(RamCompressState *s)
6465 /* compress last bytes */
6467 ret = deflate(&s->zstream, Z_FINISH);
6468 if (ret == Z_OK || ret == Z_STREAM_END) {
6469 len = IOBUF_SIZE - s->zstream.avail_out;
6471 ram_put_cblock(s, s->buf, len);
6473 s->zstream.avail_out = IOBUF_SIZE;
6474 s->zstream.next_out = s->buf;
6475 if (ret == Z_STREAM_END)
6482 deflateEnd(&s->zstream);
6485 typedef struct RamDecompressState {
6488 uint8_t buf[IOBUF_SIZE];
6489 } RamDecompressState;
6491 static int ram_decompress_open(RamDecompressState *s, QEMUFile *f)
6494 memset(s, 0, sizeof(*s));
6496 ret = inflateInit(&s->zstream);
6502 static int ram_decompress_buf(RamDecompressState *s, uint8_t *buf, int len)
6506 s->zstream.avail_out = len;
6507 s->zstream.next_out = buf;
6508 while (s->zstream.avail_out > 0) {
6509 if (s->zstream.avail_in == 0) {
6510 if (qemu_get_be16(s->f) != RAM_CBLOCK_MAGIC)
6512 clen = qemu_get_be16(s->f);
6513 if (clen > IOBUF_SIZE)
6515 qemu_get_buffer(s->f, s->buf, clen);
6516 s->zstream.avail_in = clen;
6517 s->zstream.next_in = s->buf;
6519 ret = inflate(&s->zstream, Z_PARTIAL_FLUSH);
6520 if (ret != Z_OK && ret != Z_STREAM_END) {
6527 static void ram_decompress_close(RamDecompressState *s)
6529 inflateEnd(&s->zstream);
6532 static void ram_save(QEMUFile *f, void *opaque)
6535 RamCompressState s1, *s = &s1;
6538 qemu_put_be32(f, phys_ram_size);
6539 if (ram_compress_open(s, f) < 0)
6541 for(i = 0; i < phys_ram_size; i+= BDRV_HASH_BLOCK_SIZE) {
6543 if (tight_savevm_enabled) {
6547 /* find if the memory block is available on a virtual
6550 for(j = 0; j < nb_drives; j++) {
6551 sector_num = bdrv_hash_find(drives_table[j].bdrv,
6553 BDRV_HASH_BLOCK_SIZE);
6554 if (sector_num >= 0)
6558 goto normal_compress;
6561 cpu_to_be64wu((uint64_t *)(buf + 2), sector_num);
6562 ram_compress_buf(s, buf, 10);
6568 ram_compress_buf(s, buf, 1);
6569 ram_compress_buf(s, phys_ram_base + i, BDRV_HASH_BLOCK_SIZE);
6572 ram_compress_close(s);
6575 static int ram_load(QEMUFile *f, void *opaque, int version_id)
6577 RamDecompressState s1, *s = &s1;
6581 if (version_id == 1)
6582 return ram_load_v1(f, opaque);
6583 if (version_id != 2)
6585 if (qemu_get_be32(f) != phys_ram_size)
6587 if (ram_decompress_open(s, f) < 0)
6589 for(i = 0; i < phys_ram_size; i+= BDRV_HASH_BLOCK_SIZE) {
6590 if (ram_decompress_buf(s, buf, 1) < 0) {
6591 fprintf(stderr, "Error while reading ram block header\n");
6595 if (ram_decompress_buf(s, phys_ram_base + i, BDRV_HASH_BLOCK_SIZE) < 0) {
6596 fprintf(stderr, "Error while reading ram block address=0x%08" PRIx64, (uint64_t)i);
6605 ram_decompress_buf(s, buf + 1, 9);
6607 sector_num = be64_to_cpupu((const uint64_t *)(buf + 2));
6608 if (bs_index >= nb_drives) {
6609 fprintf(stderr, "Invalid block device index %d\n", bs_index);
6612 if (bdrv_read(drives_table[bs_index].bdrv, sector_num,
6614 BDRV_HASH_BLOCK_SIZE / 512) < 0) {
6615 fprintf(stderr, "Error while reading sector %d:%" PRId64 "\n",
6616 bs_index, sector_num);
6623 printf("Error block header\n");
6627 ram_decompress_close(s);
6631 /***********************************************************/
6632 /* bottom halves (can be seen as timers which expire ASAP) */
6641 static QEMUBH *first_bh = NULL;
6643 QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque)
6646 bh = qemu_mallocz(sizeof(QEMUBH));
6650 bh->opaque = opaque;
6654 int qemu_bh_poll(void)
6673 void qemu_bh_schedule(QEMUBH *bh)
6675 CPUState *env = cpu_single_env;
6679 bh->next = first_bh;
6682 /* stop the currently executing CPU to execute the BH ASAP */
6684 cpu_interrupt(env, CPU_INTERRUPT_EXIT);
6688 void qemu_bh_cancel(QEMUBH *bh)
6691 if (bh->scheduled) {
6694 pbh = &(*pbh)->next;
6700 void qemu_bh_delete(QEMUBH *bh)
6706 /***********************************************************/
6707 /* machine registration */
6709 QEMUMachine *first_machine = NULL;
6711 int qemu_register_machine(QEMUMachine *m)
6714 pm = &first_machine;
6722 static QEMUMachine *find_machine(const char *name)
6726 for(m = first_machine; m != NULL; m = m->next) {
6727 if (!strcmp(m->name, name))
6733 /***********************************************************/
6734 /* main execution loop */
6736 static void gui_update(void *opaque)
6738 DisplayState *ds = opaque;
6739 ds->dpy_refresh(ds);
6740 qemu_mod_timer(ds->gui_timer,
6741 (ds->gui_timer_interval ?
6742 ds->gui_timer_interval :
6743 GUI_REFRESH_INTERVAL)
6744 + qemu_get_clock(rt_clock));
6747 struct vm_change_state_entry {
6748 VMChangeStateHandler *cb;
6750 LIST_ENTRY (vm_change_state_entry) entries;
6753 static LIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
6755 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
6758 VMChangeStateEntry *e;
6760 e = qemu_mallocz(sizeof (*e));
6766 LIST_INSERT_HEAD(&vm_change_state_head, e, entries);
6770 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
6772 LIST_REMOVE (e, entries);
6776 static void vm_state_notify(int running)
6778 VMChangeStateEntry *e;
6780 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
6781 e->cb(e->opaque, running);
6785 /* XXX: support several handlers */
6786 static VMStopHandler *vm_stop_cb;
6787 static void *vm_stop_opaque;
6789 int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque)
6792 vm_stop_opaque = opaque;
6796 void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque)
6807 qemu_rearm_alarm_timer(alarm_timer);
6811 void vm_stop(int reason)
6814 cpu_disable_ticks();
6818 vm_stop_cb(vm_stop_opaque, reason);
6825 /* reset/shutdown handler */
6827 typedef struct QEMUResetEntry {
6828 QEMUResetHandler *func;
6830 struct QEMUResetEntry *next;
6833 static QEMUResetEntry *first_reset_entry;
6834 static int reset_requested;
6835 static int shutdown_requested;
6836 static int powerdown_requested;
6838 int qemu_shutdown_requested(void)
6840 int r = shutdown_requested;
6841 shutdown_requested = 0;
6845 int qemu_reset_requested(void)
6847 int r = reset_requested;
6848 reset_requested = 0;
6852 int qemu_powerdown_requested(void)
6854 int r = powerdown_requested;
6855 powerdown_requested = 0;
6859 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
6861 QEMUResetEntry **pre, *re;
6863 pre = &first_reset_entry;
6864 while (*pre != NULL)
6865 pre = &(*pre)->next;
6866 re = qemu_mallocz(sizeof(QEMUResetEntry));
6868 re->opaque = opaque;
6873 void qemu_system_reset(void)
6877 /* reset all devices */
6878 for(re = first_reset_entry; re != NULL; re = re->next) {
6879 re->func(re->opaque);
6883 void qemu_system_reset_request(void)
6886 shutdown_requested = 1;
6888 reset_requested = 1;
6891 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
6894 void qemu_system_shutdown_request(void)
6896 shutdown_requested = 1;
6898 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
6901 void qemu_system_powerdown_request(void)
6903 powerdown_requested = 1;
6905 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
6908 /* boot_set handler */
6909 QEMUBootSetHandler *qemu_boot_set_handler = NULL;
6911 void qemu_register_boot_set(QEMUBootSetHandler *func)
6913 qemu_boot_set_handler = func;
6916 void main_loop_wait(int timeout)
6918 IOHandlerRecord *ioh;
6919 fd_set rfds, wfds, xfds;
6928 /* XXX: need to suppress polling by better using win32 events */
6930 for(pe = first_polling_entry; pe != NULL; pe = pe->next) {
6931 ret |= pe->func(pe->opaque);
6936 WaitObjects *w = &wait_objects;
6938 ret = WaitForMultipleObjects(w->num, w->events, FALSE, timeout);
6939 if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) {
6940 if (w->func[ret - WAIT_OBJECT_0])
6941 w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]);
6943 /* Check for additional signaled events */
6944 for(i = (ret - WAIT_OBJECT_0 + 1); i < w->num; i++) {
6946 /* Check if event is signaled */
6947 ret2 = WaitForSingleObject(w->events[i], 0);
6948 if(ret2 == WAIT_OBJECT_0) {
6950 w->func[i](w->opaque[i]);
6951 } else if (ret2 == WAIT_TIMEOUT) {
6953 err = GetLastError();
6954 fprintf(stderr, "WaitForSingleObject error %d %d\n", i, err);
6957 } else if (ret == WAIT_TIMEOUT) {
6959 err = GetLastError();
6960 fprintf(stderr, "WaitForMultipleObjects error %d %d\n", ret, err);
6964 /* poll any events */
6965 /* XXX: separate device handlers from system ones */
6970 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
6974 (!ioh->fd_read_poll ||
6975 ioh->fd_read_poll(ioh->opaque) != 0)) {
6976 FD_SET(ioh->fd, &rfds);
6980 if (ioh->fd_write) {
6981 FD_SET(ioh->fd, &wfds);
6991 tv.tv_usec = timeout * 1000;
6993 #if defined(CONFIG_SLIRP)
6995 slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
6998 ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
7000 IOHandlerRecord **pioh;
7002 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
7003 if (!ioh->deleted && ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) {
7004 ioh->fd_read(ioh->opaque);
7006 if (!ioh->deleted && ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) {
7007 ioh->fd_write(ioh->opaque);
7011 /* remove deleted IO handlers */
7012 pioh = &first_io_handler;
7022 #if defined(CONFIG_SLIRP)
7029 slirp_select_poll(&rfds, &wfds, &xfds);
7035 if (likely(!(cur_cpu->singlestep_enabled & SSTEP_NOTIMER)))
7036 qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL],
7037 qemu_get_clock(vm_clock));
7038 /* run dma transfers, if any */
7042 /* real time timers */
7043 qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME],
7044 qemu_get_clock(rt_clock));
7046 if (alarm_timer->flags & ALARM_FLAG_EXPIRED) {
7047 alarm_timer->flags &= ~(ALARM_FLAG_EXPIRED);
7048 qemu_rearm_alarm_timer(alarm_timer);
7051 /* Check bottom-halves last in case any of the earlier events triggered
7057 static int main_loop(void)
7060 #ifdef CONFIG_PROFILER
7065 cur_cpu = first_cpu;
7066 next_cpu = cur_cpu->next_cpu ?: first_cpu;
7073 #ifdef CONFIG_PROFILER
7074 ti = profile_getclock();
7076 ret = cpu_exec(env);
7077 #ifdef CONFIG_PROFILER
7078 qemu_time += profile_getclock() - ti;
7080 next_cpu = env->next_cpu ?: first_cpu;
7081 if (event_pending && likely(ret != EXCP_DEBUG)) {
7082 ret = EXCP_INTERRUPT;
7086 if (ret == EXCP_HLT) {
7087 /* Give the next CPU a chance to run. */
7091 if (ret != EXCP_HALTED)
7093 /* all CPUs are halted ? */
7099 if (shutdown_requested) {
7100 ret = EXCP_INTERRUPT;
7108 if (reset_requested) {
7109 reset_requested = 0;
7110 qemu_system_reset();
7111 ret = EXCP_INTERRUPT;
7113 if (powerdown_requested) {
7114 powerdown_requested = 0;
7115 qemu_system_powerdown();
7116 ret = EXCP_INTERRUPT;
7118 if (unlikely(ret == EXCP_DEBUG)) {
7119 vm_stop(EXCP_DEBUG);
7121 /* If all cpus are halted then wait until the next IRQ */
7122 /* XXX: use timeout computed from timers */
7123 if (ret == EXCP_HALTED)
7130 #ifdef CONFIG_PROFILER
7131 ti = profile_getclock();
7133 main_loop_wait(timeout);
7134 #ifdef CONFIG_PROFILER
7135 dev_time += profile_getclock() - ti;
7138 cpu_disable_ticks();
7142 static void help(int exitcode)
7144 printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n"
7145 "usage: %s [options] [disk_image]\n"
7147 "'disk_image' is a raw hard image image for IDE hard disk 0\n"
7149 "Standard options:\n"
7150 "-M machine select emulated machine (-M ? for list)\n"
7151 "-cpu cpu select CPU (-cpu ? for list)\n"
7152 "-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
7153 "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
7154 "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
7155 "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
7156 "-drive [file=file][,if=type][,bus=n][,unit=m][,media=d][,index=i]\n"
7157 " [,cyls=c,heads=h,secs=s[,trans=t]][,snapshot=on|off]\n"
7158 " [,cache=on|off][,format=f]\n"
7159 " use 'file' as a drive image\n"
7160 "-mtdblock file use 'file' as on-board Flash memory image\n"
7161 "-sd file use 'file' as SecureDigital card image\n"
7162 "-pflash file use 'file' as a parallel flash image\n"
7163 "-boot [a|c|d|n] boot on floppy (a), hard disk (c), CD-ROM (d), or network (n)\n"
7164 "-snapshot write to temporary files instead of disk image files\n"
7166 "-no-frame open SDL window without a frame and window decorations\n"
7167 "-alt-grab use Ctrl-Alt-Shift to grab mouse (instead of Ctrl-Alt)\n"
7168 "-no-quit disable SDL window close capability\n"
7171 "-no-fd-bootchk disable boot signature checking for floppy disks\n"
7173 "-m megs set virtual RAM size to megs MB [default=%d]\n"
7174 "-smp n set the number of CPUs to 'n' [default=1]\n"
7175 "-nographic disable graphical output and redirect serial I/Os to console\n"
7176 "-portrait rotate graphical output 90 deg left (only PXA LCD)\n"
7178 "-k language use keyboard layout (for example \"fr\" for French)\n"
7181 "-audio-help print list of audio drivers and their options\n"
7182 "-soundhw c1,... enable audio support\n"
7183 " and only specified sound cards (comma separated list)\n"
7184 " use -soundhw ? to get the list of supported cards\n"
7185 " use -soundhw all to enable all of them\n"
7187 "-localtime set the real time clock to local time [default=utc]\n"
7188 "-full-screen start in full screen\n"
7190 "-win2k-hack use it when installing Windows 2000 to avoid a disk full bug\n"
7192 "-usb enable the USB driver (will be the default soon)\n"
7193 "-usbdevice name add the host or guest USB device 'name'\n"
7194 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
7195 "-g WxH[xDEPTH] Set the initial graphical resolution and depth\n"
7197 "-name string set the name of the guest\n"
7199 "Network options:\n"
7200 "-net nic[,vlan=n][,macaddr=addr][,model=type]\n"
7201 " create a new Network Interface Card and connect it to VLAN 'n'\n"
7203 "-net user[,vlan=n][,hostname=host]\n"
7204 " connect the user mode network stack to VLAN 'n' and send\n"
7205 " hostname 'host' to DHCP clients\n"
7208 "-net tap[,vlan=n],ifname=name\n"
7209 " connect the host TAP network interface to VLAN 'n'\n"
7211 "-net tap[,vlan=n][,fd=h][,ifname=name][,script=file][,downscript=dfile]\n"
7212 " connect the host TAP network interface to VLAN 'n' and use the\n"
7213 " network scripts 'file' (default=%s)\n"
7214 " and 'dfile' (default=%s);\n"
7215 " use '[down]script=no' to disable script execution;\n"
7216 " use 'fd=h' to connect to an already opened TAP interface\n"
7218 "-net socket[,vlan=n][,fd=h][,listen=[host]:port][,connect=host:port]\n"
7219 " connect the vlan 'n' to another VLAN using a socket connection\n"
7220 "-net socket[,vlan=n][,fd=h][,mcast=maddr:port]\n"
7221 " connect the vlan 'n' to multicast maddr and port\n"
7222 "-net none use it alone to have zero network devices; if no -net option\n"
7223 " is provided, the default is '-net nic -net user'\n"
7226 "-tftp dir allow tftp access to files in dir [-net user]\n"
7227 "-bootp file advertise file in BOOTP replies\n"
7229 "-smb dir allow SMB access to files in 'dir' [-net user]\n"
7231 "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
7232 " redirect TCP or UDP connections from host to guest [-net user]\n"
7235 "Linux boot specific:\n"
7236 "-kernel bzImage use 'bzImage' as kernel image\n"
7237 "-append cmdline use 'cmdline' as kernel command line\n"
7238 "-initrd file use 'file' as initial ram disk\n"
7240 "Debug/Expert options:\n"
7241 "-monitor dev redirect the monitor to char device 'dev'\n"
7242 "-serial dev redirect the serial port to char device 'dev'\n"
7243 "-parallel dev redirect the parallel port to char device 'dev'\n"
7244 "-pidfile file Write PID to 'file'\n"
7245 "-S freeze CPU at startup (use 'c' to start execution)\n"
7246 "-s wait gdb connection to port\n"
7247 "-p port set gdb connection port [default=%s]\n"
7248 "-d item1,... output log to %s (use -d ? for a list of log items)\n"
7249 "-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n"
7250 " translation (t=none or lba) (usually qemu can guess them)\n"
7251 "-L path set the directory for the BIOS, VGA BIOS and keymaps\n"
7253 "-kernel-kqemu enable KQEMU full virtualization (default is user mode only)\n"
7254 "-no-kqemu disable KQEMU kernel module usage\n"
7257 "-std-vga simulate a standard VGA card with VESA Bochs Extensions\n"
7258 " (default is CL-GD5446 PCI VGA)\n"
7259 "-no-acpi disable ACPI\n"
7261 #ifdef CONFIG_CURSES
7262 "-curses use a curses/ncurses interface instead of SDL\n"
7264 "-no-reboot exit instead of rebooting\n"
7265 "-no-shutdown stop before shutdown\n"
7266 "-loadvm [tag|id] start right away with a saved state (loadvm in monitor)\n"
7267 "-vnc display start a VNC server on display\n"
7269 "-daemonize daemonize QEMU after initializing\n"
7271 "-option-rom rom load a file, rom, into the option ROM space\n"
7273 "-prom-env variable=value set OpenBIOS nvram variables\n"
7275 "-clock force the use of the given methods for timer alarm.\n"
7276 " To see what timers are available use -clock ?\n"
7277 "-startdate select initial date of the clock\n"
7279 "During emulation, the following keys are useful:\n"
7280 "ctrl-alt-f toggle full screen\n"
7281 "ctrl-alt-n switch to virtual console 'n'\n"
7282 "ctrl-alt toggle mouse and keyboard grab\n"
7284 "When using -nographic, press 'ctrl-a h' to get some help.\n"
7289 DEFAULT_NETWORK_SCRIPT,
7290 DEFAULT_NETWORK_DOWN_SCRIPT,
7292 DEFAULT_GDBSTUB_PORT,
7297 #define HAS_ARG 0x0001
7312 QEMU_OPTION_mtdblock,
7316 QEMU_OPTION_snapshot,
7318 QEMU_OPTION_no_fd_bootchk,
7321 QEMU_OPTION_nographic,
7322 QEMU_OPTION_portrait,
7324 QEMU_OPTION_audio_help,
7325 QEMU_OPTION_soundhw,
7346 QEMU_OPTION_localtime,
7347 QEMU_OPTION_cirrusvga,
7350 QEMU_OPTION_std_vga,
7352 QEMU_OPTION_monitor,
7354 QEMU_OPTION_parallel,
7356 QEMU_OPTION_full_screen,
7357 QEMU_OPTION_no_frame,
7358 QEMU_OPTION_alt_grab,
7359 QEMU_OPTION_no_quit,
7360 QEMU_OPTION_pidfile,
7361 QEMU_OPTION_no_kqemu,
7362 QEMU_OPTION_kernel_kqemu,
7363 QEMU_OPTION_win2k_hack,
7365 QEMU_OPTION_usbdevice,
7368 QEMU_OPTION_no_acpi,
7370 QEMU_OPTION_no_reboot,
7371 QEMU_OPTION_no_shutdown,
7372 QEMU_OPTION_show_cursor,
7373 QEMU_OPTION_daemonize,
7374 QEMU_OPTION_option_rom,
7375 QEMU_OPTION_semihosting,
7377 QEMU_OPTION_prom_env,
7378 QEMU_OPTION_old_param,
7380 QEMU_OPTION_startdate,
7383 typedef struct QEMUOption {
7389 const QEMUOption qemu_options[] = {
7390 { "h", 0, QEMU_OPTION_h },
7391 { "help", 0, QEMU_OPTION_h },
7393 { "M", HAS_ARG, QEMU_OPTION_M },
7394 { "cpu", HAS_ARG, QEMU_OPTION_cpu },
7395 { "fda", HAS_ARG, QEMU_OPTION_fda },
7396 { "fdb", HAS_ARG, QEMU_OPTION_fdb },
7397 { "hda", HAS_ARG, QEMU_OPTION_hda },
7398 { "hdb", HAS_ARG, QEMU_OPTION_hdb },
7399 { "hdc", HAS_ARG, QEMU_OPTION_hdc },
7400 { "hdd", HAS_ARG, QEMU_OPTION_hdd },
7401 { "drive", HAS_ARG, QEMU_OPTION_drive },
7402 { "cdrom", HAS_ARG, QEMU_OPTION_cdrom },
7403 { "mtdblock", HAS_ARG, QEMU_OPTION_mtdblock },
7404 { "sd", HAS_ARG, QEMU_OPTION_sd },
7405 { "pflash", HAS_ARG, QEMU_OPTION_pflash },
7406 { "boot", HAS_ARG, QEMU_OPTION_boot },
7407 { "snapshot", 0, QEMU_OPTION_snapshot },
7409 { "no-fd-bootchk", 0, QEMU_OPTION_no_fd_bootchk },
7411 { "m", HAS_ARG, QEMU_OPTION_m },
7412 { "nographic", 0, QEMU_OPTION_nographic },
7413 { "portrait", 0, QEMU_OPTION_portrait },
7414 { "k", HAS_ARG, QEMU_OPTION_k },
7416 { "audio-help", 0, QEMU_OPTION_audio_help },
7417 { "soundhw", HAS_ARG, QEMU_OPTION_soundhw },
7420 { "net", HAS_ARG, QEMU_OPTION_net},
7422 { "tftp", HAS_ARG, QEMU_OPTION_tftp },
7423 { "bootp", HAS_ARG, QEMU_OPTION_bootp },
7425 { "smb", HAS_ARG, QEMU_OPTION_smb },
7427 { "redir", HAS_ARG, QEMU_OPTION_redir },
7430 { "kernel", HAS_ARG, QEMU_OPTION_kernel },
7431 { "append", HAS_ARG, QEMU_OPTION_append },
7432 { "initrd", HAS_ARG, QEMU_OPTION_initrd },
7434 { "S", 0, QEMU_OPTION_S },
7435 { "s", 0, QEMU_OPTION_s },
7436 { "p", HAS_ARG, QEMU_OPTION_p },
7437 { "d", HAS_ARG, QEMU_OPTION_d },
7438 { "hdachs", HAS_ARG, QEMU_OPTION_hdachs },
7439 { "L", HAS_ARG, QEMU_OPTION_L },
7440 { "bios", HAS_ARG, QEMU_OPTION_bios },
7442 { "no-kqemu", 0, QEMU_OPTION_no_kqemu },
7443 { "kernel-kqemu", 0, QEMU_OPTION_kernel_kqemu },
7445 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
7446 { "g", 1, QEMU_OPTION_g },
7448 { "localtime", 0, QEMU_OPTION_localtime },
7449 { "std-vga", 0, QEMU_OPTION_std_vga },
7450 { "echr", HAS_ARG, QEMU_OPTION_echr },
7451 { "monitor", HAS_ARG, QEMU_OPTION_monitor },
7452 { "serial", HAS_ARG, QEMU_OPTION_serial },
7453 { "parallel", HAS_ARG, QEMU_OPTION_parallel },
7454 { "loadvm", HAS_ARG, QEMU_OPTION_loadvm },
7455 { "full-screen", 0, QEMU_OPTION_full_screen },
7457 { "no-frame", 0, QEMU_OPTION_no_frame },
7458 { "alt-grab", 0, QEMU_OPTION_alt_grab },
7459 { "no-quit", 0, QEMU_OPTION_no_quit },
7461 { "pidfile", HAS_ARG, QEMU_OPTION_pidfile },
7462 { "win2k-hack", 0, QEMU_OPTION_win2k_hack },
7463 { "usbdevice", HAS_ARG, QEMU_OPTION_usbdevice },
7464 { "smp", HAS_ARG, QEMU_OPTION_smp },
7465 { "vnc", HAS_ARG, QEMU_OPTION_vnc },
7466 #ifdef CONFIG_CURSES
7467 { "curses", 0, QEMU_OPTION_curses },
7470 /* temporary options */
7471 { "usb", 0, QEMU_OPTION_usb },
7472 { "cirrusvga", 0, QEMU_OPTION_cirrusvga },
7473 { "vmwarevga", 0, QEMU_OPTION_vmsvga },
7474 { "no-acpi", 0, QEMU_OPTION_no_acpi },
7475 { "no-reboot", 0, QEMU_OPTION_no_reboot },
7476 { "no-shutdown", 0, QEMU_OPTION_no_shutdown },
7477 { "show-cursor", 0, QEMU_OPTION_show_cursor },
7478 { "daemonize", 0, QEMU_OPTION_daemonize },
7479 { "option-rom", HAS_ARG, QEMU_OPTION_option_rom },
7480 #if defined(TARGET_ARM) || defined(TARGET_M68K)
7481 { "semihosting", 0, QEMU_OPTION_semihosting },
7483 { "name", HAS_ARG, QEMU_OPTION_name },
7484 #if defined(TARGET_SPARC)
7485 { "prom-env", HAS_ARG, QEMU_OPTION_prom_env },
7487 #if defined(TARGET_ARM)
7488 { "old-param", 0, QEMU_OPTION_old_param },
7490 { "clock", HAS_ARG, QEMU_OPTION_clock },
7491 { "startdate", HAS_ARG, QEMU_OPTION_startdate },
7495 /* password input */
7497 int qemu_key_check(BlockDriverState *bs, const char *name)
7502 if (!bdrv_is_encrypted(bs))
7505 term_printf("%s is encrypted.\n", name);
7506 for(i = 0; i < 3; i++) {
7507 monitor_readline("Password: ", 1, password, sizeof(password));
7508 if (bdrv_set_key(bs, password) == 0)
7510 term_printf("invalid password\n");
7515 static BlockDriverState *get_bdrv(int index)
7517 if (index > nb_drives)
7519 return drives_table[index].bdrv;
7522 static void read_passwords(void)
7524 BlockDriverState *bs;
7527 for(i = 0; i < 6; i++) {
7530 qemu_key_check(bs, bdrv_get_device_name(bs));
7535 struct soundhw soundhw[] = {
7536 #ifdef HAS_AUDIO_CHOICE
7537 #if defined(TARGET_I386) || defined(TARGET_MIPS)
7543 { .init_isa = pcspk_audio_init }
7548 "Creative Sound Blaster 16",
7551 { .init_isa = SB16_init }
7558 "Yamaha YMF262 (OPL3)",
7560 "Yamaha YM3812 (OPL2)",
7564 { .init_isa = Adlib_init }
7571 "Gravis Ultrasound GF1",
7574 { .init_isa = GUS_init }
7581 "Intel 82801AA AC97 Audio",
7584 { .init_pci = ac97_init }
7590 "ENSONIQ AudioPCI ES1370",
7593 { .init_pci = es1370_init }
7597 { NULL, NULL, 0, 0, { NULL } }
7600 static void select_soundhw (const char *optarg)
7604 if (*optarg == '?') {
7607 printf ("Valid sound card names (comma separated):\n");
7608 for (c = soundhw; c->name; ++c) {
7609 printf ("%-11s %s\n", c->name, c->descr);
7611 printf ("\n-soundhw all will enable all of the above\n");
7612 exit (*optarg != '?');
7620 if (!strcmp (optarg, "all")) {
7621 for (c = soundhw; c->name; ++c) {
7629 e = strchr (p, ',');
7630 l = !e ? strlen (p) : (size_t) (e - p);
7632 for (c = soundhw; c->name; ++c) {
7633 if (!strncmp (c->name, p, l)) {
7642 "Unknown sound card name (too big to show)\n");
7645 fprintf (stderr, "Unknown sound card name `%.*s'\n",
7650 p += l + (e != NULL);
7654 goto show_valid_cards;
7660 static BOOL WINAPI qemu_ctrl_handler(DWORD type)
7662 exit(STATUS_CONTROL_C_EXIT);
7667 #define MAX_NET_CLIENTS 32
7669 int main(int argc, char **argv)
7671 #ifdef CONFIG_GDBSTUB
7673 const char *gdbstub_port;
7675 uint32_t boot_devices_bitmap = 0;
7677 int snapshot, linux_boot, net_boot;
7678 const char *initrd_filename;
7679 const char *kernel_filename, *kernel_cmdline;
7680 const char *boot_devices = "";
7681 DisplayState *ds = &display_state;
7682 int cyls, heads, secs, translation;
7683 const char *net_clients[MAX_NET_CLIENTS];
7687 const char *r, *optarg;
7688 CharDriverState *monitor_hd;
7689 const char *monitor_device;
7690 const char *serial_devices[MAX_SERIAL_PORTS];
7691 int serial_device_index;
7692 const char *parallel_devices[MAX_PARALLEL_PORTS];
7693 int parallel_device_index;
7694 const char *loadvm = NULL;
7695 QEMUMachine *machine;
7696 const char *cpu_model;
7697 const char *usb_devices[MAX_USB_CMDLINE];
7698 int usb_devices_index;
7700 const char *pid_file = NULL;
7703 LIST_INIT (&vm_change_state_head);
7706 struct sigaction act;
7707 sigfillset(&act.sa_mask);
7709 act.sa_handler = SIG_IGN;
7710 sigaction(SIGPIPE, &act, NULL);
7713 SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE);
7714 /* Note: cpu_interrupt() is currently not SMP safe, so we force
7715 QEMU to run on a single CPU */
7720 h = GetCurrentProcess();
7721 if (GetProcessAffinityMask(h, &mask, &smask)) {
7722 for(i = 0; i < 32; i++) {
7723 if (mask & (1 << i))
7728 SetProcessAffinityMask(h, mask);
7734 register_machines();
7735 machine = first_machine;
7737 initrd_filename = NULL;
7739 vga_ram_size = VGA_RAM_SIZE;
7740 #ifdef CONFIG_GDBSTUB
7742 gdbstub_port = DEFAULT_GDBSTUB_PORT;
7747 kernel_filename = NULL;
7748 kernel_cmdline = "";
7749 cyls = heads = secs = 0;
7750 translation = BIOS_ATA_TRANSLATION_AUTO;
7751 monitor_device = "vc:800x600";
7753 serial_devices[0] = "vc:80Cx24C";
7754 for(i = 1; i < MAX_SERIAL_PORTS; i++)
7755 serial_devices[i] = NULL;
7756 serial_device_index = 0;
7758 parallel_devices[0] = "vc:640x480";
7759 for(i = 1; i < MAX_PARALLEL_PORTS; i++)
7760 parallel_devices[i] = NULL;
7761 parallel_device_index = 0;
7763 usb_devices_index = 0;
7771 /* default mac address of the first network interface */
7779 hda_index = drive_add(argv[optind++], HD_ALIAS, 0);
7781 const QEMUOption *popt;
7784 /* Treat --foo the same as -foo. */
7787 popt = qemu_options;
7790 fprintf(stderr, "%s: invalid option -- '%s'\n",
7794 if (!strcmp(popt->name, r + 1))
7798 if (popt->flags & HAS_ARG) {
7799 if (optind >= argc) {
7800 fprintf(stderr, "%s: option '%s' requires an argument\n",
7804 optarg = argv[optind++];
7809 switch(popt->index) {
7811 machine = find_machine(optarg);
7814 printf("Supported machines are:\n");
7815 for(m = first_machine; m != NULL; m = m->next) {
7816 printf("%-10s %s%s\n",
7818 m == first_machine ? " (default)" : "");
7820 exit(*optarg != '?');
7823 case QEMU_OPTION_cpu:
7824 /* hw initialization will check this */
7825 if (*optarg == '?') {
7826 /* XXX: implement xxx_cpu_list for targets that still miss it */
7827 #if defined(cpu_list)
7828 cpu_list(stdout, &fprintf);
7835 case QEMU_OPTION_initrd:
7836 initrd_filename = optarg;
7838 case QEMU_OPTION_hda:
7840 hda_index = drive_add(optarg, HD_ALIAS, 0);
7842 hda_index = drive_add(optarg, HD_ALIAS
7843 ",cyls=%d,heads=%d,secs=%d%s",
7844 0, cyls, heads, secs,
7845 translation == BIOS_ATA_TRANSLATION_LBA ?
7847 translation == BIOS_ATA_TRANSLATION_NONE ?
7848 ",trans=none" : "");
7850 case QEMU_OPTION_hdb:
7851 case QEMU_OPTION_hdc:
7852 case QEMU_OPTION_hdd:
7853 drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda);
7855 case QEMU_OPTION_drive:
7856 drive_add(NULL, "%s", optarg);
7858 case QEMU_OPTION_mtdblock:
7859 drive_add(optarg, MTD_ALIAS);
7861 case QEMU_OPTION_sd:
7862 drive_add(optarg, SD_ALIAS);
7864 case QEMU_OPTION_pflash:
7865 drive_add(optarg, PFLASH_ALIAS);
7867 case QEMU_OPTION_snapshot:
7870 case QEMU_OPTION_hdachs:
7874 cyls = strtol(p, (char **)&p, 0);
7875 if (cyls < 1 || cyls > 16383)
7880 heads = strtol(p, (char **)&p, 0);
7881 if (heads < 1 || heads > 16)
7886 secs = strtol(p, (char **)&p, 0);
7887 if (secs < 1 || secs > 63)
7891 if (!strcmp(p, "none"))
7892 translation = BIOS_ATA_TRANSLATION_NONE;
7893 else if (!strcmp(p, "lba"))
7894 translation = BIOS_ATA_TRANSLATION_LBA;
7895 else if (!strcmp(p, "auto"))
7896 translation = BIOS_ATA_TRANSLATION_AUTO;
7899 } else if (*p != '\0') {
7901 fprintf(stderr, "qemu: invalid physical CHS format\n");
7904 if (hda_index != -1)
7905 snprintf(drives_opt[hda_index].opt,
7906 sizeof(drives_opt[hda_index].opt),
7907 HD_ALIAS ",cyls=%d,heads=%d,secs=%d%s",
7908 0, cyls, heads, secs,
7909 translation == BIOS_ATA_TRANSLATION_LBA ?
7911 translation == BIOS_ATA_TRANSLATION_NONE ?
7912 ",trans=none" : "");
7915 case QEMU_OPTION_nographic:
7916 serial_devices[0] = "stdio";
7917 parallel_devices[0] = "null";
7918 monitor_device = "stdio";
7921 #ifdef CONFIG_CURSES
7922 case QEMU_OPTION_curses:
7926 case QEMU_OPTION_portrait:
7929 case QEMU_OPTION_kernel:
7930 kernel_filename = optarg;
7932 case QEMU_OPTION_append:
7933 kernel_cmdline = optarg;
7935 case QEMU_OPTION_cdrom:
7936 drive_add(optarg, CDROM_ALIAS);
7938 case QEMU_OPTION_boot:
7939 boot_devices = optarg;
7940 /* We just do some generic consistency checks */
7942 /* Could easily be extended to 64 devices if needed */
7945 boot_devices_bitmap = 0;
7946 for (p = boot_devices; *p != '\0'; p++) {
7947 /* Allowed boot devices are:
7948 * a b : floppy disk drives
7949 * c ... f : IDE disk drives
7950 * g ... m : machine implementation dependant drives
7951 * n ... p : network devices
7952 * It's up to each machine implementation to check
7953 * if the given boot devices match the actual hardware
7954 * implementation and firmware features.
7956 if (*p < 'a' || *p > 'q') {
7957 fprintf(stderr, "Invalid boot device '%c'\n", *p);
7960 if (boot_devices_bitmap & (1 << (*p - 'a'))) {
7962 "Boot device '%c' was given twice\n",*p);
7965 boot_devices_bitmap |= 1 << (*p - 'a');
7969 case QEMU_OPTION_fda:
7970 case QEMU_OPTION_fdb:
7971 drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda);
7974 case QEMU_OPTION_no_fd_bootchk:
7978 case QEMU_OPTION_net:
7979 if (nb_net_clients >= MAX_NET_CLIENTS) {
7980 fprintf(stderr, "qemu: too many network clients\n");
7983 net_clients[nb_net_clients] = optarg;
7987 case QEMU_OPTION_tftp:
7988 tftp_prefix = optarg;
7990 case QEMU_OPTION_bootp:
7991 bootp_filename = optarg;
7994 case QEMU_OPTION_smb:
7995 net_slirp_smb(optarg);
7998 case QEMU_OPTION_redir:
7999 net_slirp_redir(optarg);
8003 case QEMU_OPTION_audio_help:
8007 case QEMU_OPTION_soundhw:
8008 select_soundhw (optarg);
8014 case QEMU_OPTION_m: {
8018 value = strtoul(optarg, &ptr, 10);
8020 case 0: case 'M': case 'm':
8027 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
8031 /* On 32-bit hosts, QEMU is limited by virtual address space */
8032 if (value > (2047 << 20)
8034 && HOST_LONG_BITS == 32
8037 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
8040 if (value != (uint64_t)(ram_addr_t)value) {
8041 fprintf(stderr, "qemu: ram size too large\n");
8052 mask = cpu_str_to_log_mask(optarg);
8054 printf("Log items (comma separated):\n");
8055 for(item = cpu_log_items; item->mask != 0; item++) {
8056 printf("%-10s %s\n", item->name, item->help);
8063 #ifdef CONFIG_GDBSTUB
8068 gdbstub_port = optarg;
8074 case QEMU_OPTION_bios:
8081 keyboard_layout = optarg;
8083 case QEMU_OPTION_localtime:
8086 case QEMU_OPTION_cirrusvga:
8087 cirrus_vga_enabled = 1;
8090 case QEMU_OPTION_vmsvga:
8091 cirrus_vga_enabled = 0;
8094 case QEMU_OPTION_std_vga:
8095 cirrus_vga_enabled = 0;
8103 w = strtol(p, (char **)&p, 10);
8106 fprintf(stderr, "qemu: invalid resolution or depth\n");
8112 h = strtol(p, (char **)&p, 10);
8117 depth = strtol(p, (char **)&p, 10);
8118 if (depth != 8 && depth != 15 && depth != 16 &&
8119 depth != 24 && depth != 32)
8121 } else if (*p == '\0') {
8122 depth = graphic_depth;
8129 graphic_depth = depth;
8132 case QEMU_OPTION_echr:
8135 term_escape_char = strtol(optarg, &r, 0);
8137 printf("Bad argument to echr\n");
8140 case QEMU_OPTION_monitor:
8141 monitor_device = optarg;
8143 case QEMU_OPTION_serial:
8144 if (serial_device_index >= MAX_SERIAL_PORTS) {
8145 fprintf(stderr, "qemu: too many serial ports\n");
8148 serial_devices[serial_device_index] = optarg;
8149 serial_device_index++;
8151 case QEMU_OPTION_parallel:
8152 if (parallel_device_index >= MAX_PARALLEL_PORTS) {
8153 fprintf(stderr, "qemu: too many parallel ports\n");
8156 parallel_devices[parallel_device_index] = optarg;
8157 parallel_device_index++;
8159 case QEMU_OPTION_loadvm:
8162 case QEMU_OPTION_full_screen:
8166 case QEMU_OPTION_no_frame:
8169 case QEMU_OPTION_alt_grab:
8172 case QEMU_OPTION_no_quit:
8176 case QEMU_OPTION_pidfile:
8180 case QEMU_OPTION_win2k_hack:
8181 win2k_install_hack = 1;
8185 case QEMU_OPTION_no_kqemu:
8188 case QEMU_OPTION_kernel_kqemu:
8192 case QEMU_OPTION_usb:
8195 case QEMU_OPTION_usbdevice:
8197 if (usb_devices_index >= MAX_USB_CMDLINE) {
8198 fprintf(stderr, "Too many USB devices\n");
8201 usb_devices[usb_devices_index] = optarg;
8202 usb_devices_index++;
8204 case QEMU_OPTION_smp:
8205 smp_cpus = atoi(optarg);
8206 if (smp_cpus < 1 || smp_cpus > MAX_CPUS) {
8207 fprintf(stderr, "Invalid number of CPUs\n");
8211 case QEMU_OPTION_vnc:
8212 vnc_display = optarg;
8214 case QEMU_OPTION_no_acpi:
8217 case QEMU_OPTION_no_reboot:
8220 case QEMU_OPTION_no_shutdown:
8223 case QEMU_OPTION_show_cursor:
8226 case QEMU_OPTION_daemonize:
8229 case QEMU_OPTION_option_rom:
8230 if (nb_option_roms >= MAX_OPTION_ROMS) {
8231 fprintf(stderr, "Too many option ROMs\n");
8234 option_rom[nb_option_roms] = optarg;
8237 case QEMU_OPTION_semihosting:
8238 semihosting_enabled = 1;
8240 case QEMU_OPTION_name:
8244 case QEMU_OPTION_prom_env:
8245 if (nb_prom_envs >= MAX_PROM_ENVS) {
8246 fprintf(stderr, "Too many prom variables\n");
8249 prom_envs[nb_prom_envs] = optarg;
8254 case QEMU_OPTION_old_param:
8258 case QEMU_OPTION_clock:
8259 configure_alarms(optarg);
8261 case QEMU_OPTION_startdate:
8264 time_t rtc_start_date;
8265 if (!strcmp(optarg, "now")) {
8266 rtc_date_offset = -1;
8268 if (sscanf(optarg, "%d-%d-%dT%d:%d:%d",
8276 } else if (sscanf(optarg, "%d-%d-%d",
8279 &tm.tm_mday) == 3) {
8288 rtc_start_date = mktimegm(&tm);
8289 if (rtc_start_date == -1) {
8291 fprintf(stderr, "Invalid date format. Valid format are:\n"
8292 "'now' or '2006-06-17T16:01:21' or '2006-06-17'\n");
8295 rtc_date_offset = time(NULL) - rtc_start_date;
8304 if (daemonize && !nographic && vnc_display == NULL) {
8305 fprintf(stderr, "Can only daemonize if using -nographic or -vnc\n");
8312 if (pipe(fds) == -1)
8323 len = read(fds[0], &status, 1);
8324 if (len == -1 && (errno == EINTR))
8329 else if (status == 1) {
8330 fprintf(stderr, "Could not acquire pidfile\n");
8348 signal(SIGTSTP, SIG_IGN);
8349 signal(SIGTTOU, SIG_IGN);
8350 signal(SIGTTIN, SIG_IGN);
8354 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
8357 write(fds[1], &status, 1);
8359 fprintf(stderr, "Could not acquire pid file\n");
8367 linux_boot = (kernel_filename != NULL);
8368 net_boot = (boot_devices_bitmap >> ('n' - 'a')) & 0xF;
8370 /* XXX: this should not be: some embedded targets just have flash */
8371 if (!linux_boot && net_boot == 0 &&
8375 /* boot to floppy or the default cd if no hard disk defined yet */
8376 if (!boot_devices[0]) {
8377 boot_devices = "cad";
8379 setvbuf(stdout, NULL, _IOLBF, 0);
8389 /* init network clients */
8390 if (nb_net_clients == 0) {
8391 /* if no clients, we use a default config */
8392 net_clients[0] = "nic";
8393 net_clients[1] = "user";
8397 for(i = 0;i < nb_net_clients; i++) {
8398 if (net_client_init(net_clients[i]) < 0)
8401 for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) {
8402 if (vlan->nb_guest_devs == 0 && vlan->nb_host_devs == 0)
8404 if (vlan->nb_guest_devs == 0) {
8405 fprintf(stderr, "Invalid vlan (%d) with no nics\n", vlan->id);
8408 if (vlan->nb_host_devs == 0)
8410 "Warning: vlan %d is not connected to host network\n",
8415 /* XXX: this should be moved in the PC machine instantiation code */
8416 if (net_boot != 0) {
8418 for (i = 0; i < nb_nics && i < 4; i++) {
8419 const char *model = nd_table[i].model;
8421 if (net_boot & (1 << i)) {
8424 snprintf(buf, sizeof(buf), "%s/pxe-%s.bin", bios_dir, model);
8425 if (get_image_size(buf) > 0) {
8426 if (nb_option_roms >= MAX_OPTION_ROMS) {
8427 fprintf(stderr, "Too many option ROMs\n");
8430 option_rom[nb_option_roms] = strdup(buf);
8437 fprintf(stderr, "No valid PXE rom found for network device\n");
8443 /* init the memory */
8444 phys_ram_size = machine->ram_require & ~RAMSIZE_FIXED;
8446 if (machine->ram_require & RAMSIZE_FIXED) {
8448 if (ram_size < phys_ram_size) {
8449 fprintf(stderr, "Machine `%s' requires %llu bytes of memory\n",
8450 machine->name, (unsigned long long) phys_ram_size);
8454 phys_ram_size = ram_size;
8456 ram_size = phys_ram_size;
8459 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
8461 phys_ram_size += ram_size;
8464 phys_ram_base = qemu_vmalloc(phys_ram_size);
8465 if (!phys_ram_base) {
8466 fprintf(stderr, "Could not allocate physical memory\n");
8472 /* we always create the cdrom drive, even if no disk is there */
8474 if (nb_drives_opt < MAX_DRIVES)
8475 drive_add(NULL, CDROM_ALIAS);
8477 /* we always create at least one floppy */
8479 if (nb_drives_opt < MAX_DRIVES)
8480 drive_add(NULL, FD_ALIAS, 0);
8482 /* we always create one sd slot, even if no card is in it */
8484 if (nb_drives_opt < MAX_DRIVES)
8485 drive_add(NULL, SD_ALIAS);
8487 /* open the virtual block devices */
8489 for(i = 0; i < nb_drives_opt; i++)
8490 if (drive_init(&drives_opt[i], snapshot, machine) == -1)
8493 register_savevm("timer", 0, 2, timer_save, timer_load, NULL);
8494 register_savevm("ram", 0, 2, ram_save, ram_load, NULL);
8499 memset(&display_state, 0, sizeof(display_state));
8502 fprintf(stderr, "fatal: -nographic can't be used with -curses\n");
8505 /* nearly nothing to do */
8506 dumb_display_init(ds);
8507 } else if (vnc_display != NULL) {
8508 vnc_display_init(ds);
8509 if (vnc_display_open(ds, vnc_display) < 0)
8512 #if defined(CONFIG_CURSES)
8514 curses_display_init(ds, full_screen);
8518 #if defined(CONFIG_SDL)
8519 sdl_display_init(ds, full_screen, no_frame);
8520 #elif defined(CONFIG_COCOA)
8521 cocoa_display_init(ds, full_screen);
8523 dumb_display_init(ds);
8527 /* Maintain compatibility with multiple stdio monitors */
8528 if (!strcmp(monitor_device,"stdio")) {
8529 for (i = 0; i < MAX_SERIAL_PORTS; i++) {
8530 const char *devname = serial_devices[i];
8531 if (devname && !strcmp(devname,"mon:stdio")) {
8532 monitor_device = NULL;
8534 } else if (devname && !strcmp(devname,"stdio")) {
8535 monitor_device = NULL;
8536 serial_devices[i] = "mon:stdio";
8541 if (monitor_device) {
8542 monitor_hd = qemu_chr_open(monitor_device);
8544 fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device);
8547 monitor_init(monitor_hd, !nographic);
8550 for(i = 0; i < MAX_SERIAL_PORTS; i++) {
8551 const char *devname = serial_devices[i];
8552 if (devname && strcmp(devname, "none")) {
8553 serial_hds[i] = qemu_chr_open(devname);
8554 if (!serial_hds[i]) {
8555 fprintf(stderr, "qemu: could not open serial device '%s'\n",
8559 if (strstart(devname, "vc", 0))
8560 qemu_chr_printf(serial_hds[i], "serial%d console\r\n", i);
8564 for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
8565 const char *devname = parallel_devices[i];
8566 if (devname && strcmp(devname, "none")) {
8567 parallel_hds[i] = qemu_chr_open(devname);
8568 if (!parallel_hds[i]) {
8569 fprintf(stderr, "qemu: could not open parallel device '%s'\n",
8573 if (strstart(devname, "vc", 0))
8574 qemu_chr_printf(parallel_hds[i], "parallel%d console\r\n", i);
8578 machine->init(ram_size, vga_ram_size, boot_devices, ds,
8579 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
8581 /* init USB devices */
8583 for(i = 0; i < usb_devices_index; i++) {
8584 if (usb_device_add(usb_devices[i]) < 0) {
8585 fprintf(stderr, "Warning: could not add USB device %s\n",
8591 if (display_state.dpy_refresh) {
8592 display_state.gui_timer = qemu_new_timer(rt_clock, gui_update, &display_state);
8593 qemu_mod_timer(display_state.gui_timer, qemu_get_clock(rt_clock));
8596 #ifdef CONFIG_GDBSTUB
8598 /* XXX: use standard host:port notation and modify options
8600 if (gdbserver_start(gdbstub_port) < 0) {
8601 fprintf(stderr, "qemu: could not open gdbstub device on port '%s'\n",
8612 /* XXX: simplify init */
8625 len = write(fds[1], &status, 1);
8626 if (len == -1 && (errno == EINTR))
8632 TFR(fd = open("/dev/null", O_RDWR));
8646 #if !defined(_WIN32)
8647 /* close network clients */
8648 for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) {
8649 VLANClientState *vc;
8651 for(vc = vlan->first_client; vc != NULL; vc = vc->next) {
8652 if (vc->fd_read == tap_receive) {
8654 TAPState *s = vc->opaque;
8656 if (sscanf(vc->info_str, "tap: ifname=%63s ", ifname) == 1 &&
8658 launch_script(s->down_script, ifname, s->fd);