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"
37 #include "qemu-timer.h"
38 #include "qemu-char.h"
40 #include "audio/audio.h"
41 #include "migration.h"
52 #include <sys/times.h>
56 #include <sys/ioctl.h>
57 #include <sys/socket.h>
58 #include <netinet/in.h>
61 #include <sys/select.h>
62 #include <arpa/inet.h>
65 #if !defined(__APPLE__) && !defined(__OpenBSD__)
71 #elif defined (__GLIBC__) && defined (__FreeBSD_kernel__)
72 #include <freebsd/stdlib.h>
76 #include <linux/if_tun.h>
79 #include <linux/rtc.h>
81 /* For the benefit of older linux systems which don't supply it,
82 we use a local copy of hpet.h. */
83 /* #include <linux/hpet.h> */
86 #include <linux/ppdev.h>
87 #include <linux/parport.h>
91 #include <sys/ethernet.h>
92 #include <sys/sockio.h>
93 #include <netinet/arp.h>
94 #include <netinet/in.h>
95 #include <netinet/in_systm.h>
96 #include <netinet/ip.h>
97 #include <netinet/ip_icmp.h> // must come after ip.h
98 #include <netinet/udp.h>
99 #include <netinet/tcp.h>
107 #include "qemu_socket.h"
109 #if defined(CONFIG_SLIRP)
110 #include "libslirp.h"
113 #if defined(__OpenBSD__)
117 #if defined(CONFIG_VDE)
118 #include <libvdeplug.h>
123 #include <sys/timeb.h>
124 #include <mmsystem.h>
125 #define getopt_long_only getopt_long
126 #define memalign(align, size) malloc(size)
133 #endif /* CONFIG_SDL */
137 #define main qemu_main
138 #endif /* CONFIG_COCOA */
142 #include "exec-all.h"
144 #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
145 #define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown"
147 #define SMBD_COMMAND "/usr/sfw/sbin/smbd"
149 #define SMBD_COMMAND "/usr/sbin/smbd"
152 //#define DEBUG_UNUSED_IOPORT
153 //#define DEBUG_IOPORT
155 //#define DEBUG_SLIRP
158 #define DEFAULT_RAM_SIZE 144
160 #define DEFAULT_RAM_SIZE 128
163 /* Max number of USB devices that can be specified on the commandline. */
164 #define MAX_USB_CMDLINE 8
166 /* XXX: use a two level table to limit memory usage */
167 #define MAX_IOPORTS 65536
169 const char *bios_dir = CONFIG_QEMU_SHAREDIR;
170 const char *bios_name = NULL;
171 static void *ioport_opaque[MAX_IOPORTS];
172 static IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS];
173 static IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS];
174 /* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available
175 to store the VM snapshots */
176 DriveInfo drives_table[MAX_DRIVES+1];
178 /* point to the block driver where the snapshots are managed */
179 static BlockDriverState *bs_snapshots;
180 static int vga_ram_size;
181 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
182 static DisplayState display_state;
185 const char* keyboard_layout = NULL;
186 int64_t ticks_per_sec;
189 NICInfo nd_table[MAX_NICS];
191 static int rtc_utc = 1;
192 static int rtc_date_offset = -1; /* -1 means no change */
193 int cirrus_vga_enabled = 1;
194 int vmsvga_enabled = 0;
196 int graphic_width = 1024;
197 int graphic_height = 768;
198 int graphic_depth = 8;
200 int graphic_width = 800;
201 int graphic_height = 600;
202 int graphic_depth = 15;
204 static int full_screen = 0;
205 static int no_frame = 0;
207 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
208 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
210 int win2k_install_hack = 0;
213 static VLANState *first_vlan;
215 const char *vnc_display;
216 int acpi_enabled = 1;
221 int graphic_rotate = 0;
223 const char *option_rom[MAX_OPTION_ROMS];
225 int semihosting_enabled = 0;
229 const char *qemu_name;
232 unsigned int nb_prom_envs = 0;
233 const char *prom_envs[MAX_PROM_ENVS];
235 static int nb_drives_opt;
236 static struct drive_opt {
239 } drives_opt[MAX_DRIVES];
241 static CPUState *cur_cpu;
242 static CPUState *next_cpu;
243 static int event_pending = 1;
244 /* Conversion factor from emulated instructions to virtual clock ticks. */
245 static int icount_time_shift;
246 /* Arbitrarily pick 1MIPS as the minimum allowable speed. */
247 #define MAX_ICOUNT_SHIFT 10
248 /* Compensate for varying guest execution speed. */
249 static int64_t qemu_icount_bias;
250 static QEMUTimer *icount_rt_timer;
251 static QEMUTimer *icount_vm_timer;
253 uint8_t qemu_uuid[16];
255 #define TFR(expr) do { if ((expr) != -1) break; } while (errno == EINTR)
257 /***********************************************************/
258 /* x86 ISA bus support */
260 target_phys_addr_t isa_mem_base = 0;
263 static IOPortReadFunc default_ioport_readb, default_ioport_readw, default_ioport_readl;
264 static IOPortWriteFunc default_ioport_writeb, default_ioport_writew, default_ioport_writel;
266 static uint32_t ioport_read(int index, uint32_t address)
268 static IOPortReadFunc *default_func[3] = {
269 default_ioport_readb,
270 default_ioport_readw,
273 IOPortReadFunc *func = ioport_read_table[index][address];
275 func = default_func[index];
276 return func(ioport_opaque[address], address);
279 static void ioport_write(int index, uint32_t address, uint32_t data)
281 static IOPortWriteFunc *default_func[3] = {
282 default_ioport_writeb,
283 default_ioport_writew,
284 default_ioport_writel
286 IOPortWriteFunc *func = ioport_write_table[index][address];
288 func = default_func[index];
289 func(ioport_opaque[address], address, data);
292 static uint32_t default_ioport_readb(void *opaque, uint32_t address)
294 #ifdef DEBUG_UNUSED_IOPORT
295 fprintf(stderr, "unused inb: port=0x%04x\n", address);
300 static void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data)
302 #ifdef DEBUG_UNUSED_IOPORT
303 fprintf(stderr, "unused outb: port=0x%04x data=0x%02x\n", address, data);
307 /* default is to make two byte accesses */
308 static uint32_t default_ioport_readw(void *opaque, uint32_t address)
311 data = ioport_read(0, address);
312 address = (address + 1) & (MAX_IOPORTS - 1);
313 data |= ioport_read(0, address) << 8;
317 static void default_ioport_writew(void *opaque, uint32_t address, uint32_t data)
319 ioport_write(0, address, data & 0xff);
320 address = (address + 1) & (MAX_IOPORTS - 1);
321 ioport_write(0, address, (data >> 8) & 0xff);
324 static uint32_t default_ioport_readl(void *opaque, uint32_t address)
326 #ifdef DEBUG_UNUSED_IOPORT
327 fprintf(stderr, "unused inl: port=0x%04x\n", address);
332 static void default_ioport_writel(void *opaque, uint32_t address, uint32_t data)
334 #ifdef DEBUG_UNUSED_IOPORT
335 fprintf(stderr, "unused outl: port=0x%04x data=0x%02x\n", address, data);
339 /* size is the word size in byte */
340 int register_ioport_read(int start, int length, int size,
341 IOPortReadFunc *func, void *opaque)
347 } else if (size == 2) {
349 } else if (size == 4) {
352 hw_error("register_ioport_read: invalid size");
355 for(i = start; i < start + length; i += size) {
356 ioport_read_table[bsize][i] = func;
357 if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
358 hw_error("register_ioport_read: invalid opaque");
359 ioport_opaque[i] = opaque;
364 /* size is the word size in byte */
365 int register_ioport_write(int start, int length, int size,
366 IOPortWriteFunc *func, void *opaque)
372 } else if (size == 2) {
374 } else if (size == 4) {
377 hw_error("register_ioport_write: invalid size");
380 for(i = start; i < start + length; i += size) {
381 ioport_write_table[bsize][i] = func;
382 if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
383 hw_error("register_ioport_write: invalid opaque");
384 ioport_opaque[i] = opaque;
389 void isa_unassign_ioport(int start, int length)
393 for(i = start; i < start + length; i++) {
394 ioport_read_table[0][i] = default_ioport_readb;
395 ioport_read_table[1][i] = default_ioport_readw;
396 ioport_read_table[2][i] = default_ioport_readl;
398 ioport_write_table[0][i] = default_ioport_writeb;
399 ioport_write_table[1][i] = default_ioport_writew;
400 ioport_write_table[2][i] = default_ioport_writel;
404 /***********************************************************/
406 void cpu_outb(CPUState *env, int addr, int val)
409 if (loglevel & CPU_LOG_IOPORT)
410 fprintf(logfile, "outb: %04x %02x\n", addr, val);
412 ioport_write(0, addr, val);
415 env->last_io_time = cpu_get_time_fast();
419 void cpu_outw(CPUState *env, int addr, int val)
422 if (loglevel & CPU_LOG_IOPORT)
423 fprintf(logfile, "outw: %04x %04x\n", addr, val);
425 ioport_write(1, addr, val);
428 env->last_io_time = cpu_get_time_fast();
432 void cpu_outl(CPUState *env, int addr, int val)
435 if (loglevel & CPU_LOG_IOPORT)
436 fprintf(logfile, "outl: %04x %08x\n", addr, val);
438 ioport_write(2, addr, val);
441 env->last_io_time = cpu_get_time_fast();
445 int cpu_inb(CPUState *env, int addr)
448 val = ioport_read(0, addr);
450 if (loglevel & CPU_LOG_IOPORT)
451 fprintf(logfile, "inb : %04x %02x\n", addr, val);
455 env->last_io_time = cpu_get_time_fast();
460 int cpu_inw(CPUState *env, int addr)
463 val = ioport_read(1, addr);
465 if (loglevel & CPU_LOG_IOPORT)
466 fprintf(logfile, "inw : %04x %04x\n", addr, val);
470 env->last_io_time = cpu_get_time_fast();
475 int cpu_inl(CPUState *env, int addr)
478 val = ioport_read(2, addr);
480 if (loglevel & CPU_LOG_IOPORT)
481 fprintf(logfile, "inl : %04x %08x\n", addr, val);
485 env->last_io_time = cpu_get_time_fast();
490 /***********************************************************/
491 void hw_error(const char *fmt, ...)
497 fprintf(stderr, "qemu: hardware error: ");
498 vfprintf(stderr, fmt, ap);
499 fprintf(stderr, "\n");
500 for(env = first_cpu; env != NULL; env = env->next_cpu) {
501 fprintf(stderr, "CPU #%d:\n", env->cpu_index);
503 cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU);
505 cpu_dump_state(env, stderr, fprintf, 0);
512 /***********************************************************/
515 static QEMUPutKBDEvent *qemu_put_kbd_event;
516 static void *qemu_put_kbd_event_opaque;
517 static QEMUPutMouseEntry *qemu_put_mouse_event_head;
518 static QEMUPutMouseEntry *qemu_put_mouse_event_current;
520 void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
522 qemu_put_kbd_event_opaque = opaque;
523 qemu_put_kbd_event = func;
526 QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func,
527 void *opaque, int absolute,
530 QEMUPutMouseEntry *s, *cursor;
532 s = qemu_mallocz(sizeof(QEMUPutMouseEntry));
536 s->qemu_put_mouse_event = func;
537 s->qemu_put_mouse_event_opaque = opaque;
538 s->qemu_put_mouse_event_absolute = absolute;
539 s->qemu_put_mouse_event_name = qemu_strdup(name);
542 if (!qemu_put_mouse_event_head) {
543 qemu_put_mouse_event_head = qemu_put_mouse_event_current = s;
547 cursor = qemu_put_mouse_event_head;
548 while (cursor->next != NULL)
549 cursor = cursor->next;
552 qemu_put_mouse_event_current = s;
557 void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry)
559 QEMUPutMouseEntry *prev = NULL, *cursor;
561 if (!qemu_put_mouse_event_head || entry == NULL)
564 cursor = qemu_put_mouse_event_head;
565 while (cursor != NULL && cursor != entry) {
567 cursor = cursor->next;
570 if (cursor == NULL) // does not exist or list empty
572 else if (prev == NULL) { // entry is head
573 qemu_put_mouse_event_head = cursor->next;
574 if (qemu_put_mouse_event_current == entry)
575 qemu_put_mouse_event_current = cursor->next;
576 qemu_free(entry->qemu_put_mouse_event_name);
581 prev->next = entry->next;
583 if (qemu_put_mouse_event_current == entry)
584 qemu_put_mouse_event_current = prev;
586 qemu_free(entry->qemu_put_mouse_event_name);
590 void kbd_put_keycode(int keycode)
592 if (qemu_put_kbd_event) {
593 qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode);
597 void kbd_mouse_event(int dx, int dy, int dz, int buttons_state)
599 QEMUPutMouseEvent *mouse_event;
600 void *mouse_event_opaque;
603 if (!qemu_put_mouse_event_current) {
608 qemu_put_mouse_event_current->qemu_put_mouse_event;
610 qemu_put_mouse_event_current->qemu_put_mouse_event_opaque;
613 if (graphic_rotate) {
614 if (qemu_put_mouse_event_current->qemu_put_mouse_event_absolute)
617 width = graphic_width - 1;
618 mouse_event(mouse_event_opaque,
619 width - dy, dx, dz, buttons_state);
621 mouse_event(mouse_event_opaque,
622 dx, dy, dz, buttons_state);
626 int kbd_mouse_is_absolute(void)
628 if (!qemu_put_mouse_event_current)
631 return qemu_put_mouse_event_current->qemu_put_mouse_event_absolute;
634 void do_info_mice(void)
636 QEMUPutMouseEntry *cursor;
639 if (!qemu_put_mouse_event_head) {
640 term_printf("No mouse devices connected\n");
644 term_printf("Mouse devices available:\n");
645 cursor = qemu_put_mouse_event_head;
646 while (cursor != NULL) {
647 term_printf("%c Mouse #%d: %s\n",
648 (cursor == qemu_put_mouse_event_current ? '*' : ' '),
649 index, cursor->qemu_put_mouse_event_name);
651 cursor = cursor->next;
655 void do_mouse_set(int index)
657 QEMUPutMouseEntry *cursor;
660 if (!qemu_put_mouse_event_head) {
661 term_printf("No mouse devices connected\n");
665 cursor = qemu_put_mouse_event_head;
666 while (cursor != NULL && index != i) {
668 cursor = cursor->next;
672 qemu_put_mouse_event_current = cursor;
674 term_printf("Mouse at given index not found\n");
677 /* compute with 96 bit intermediate result: (a*b)/c */
678 uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
683 #ifdef WORDS_BIGENDIAN
693 rl = (uint64_t)u.l.low * (uint64_t)b;
694 rh = (uint64_t)u.l.high * (uint64_t)b;
697 res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
701 /***********************************************************/
702 /* real time host monotonic timer */
704 #define QEMU_TIMER_BASE 1000000000LL
708 static int64_t clock_freq;
710 static void init_get_clock(void)
714 ret = QueryPerformanceFrequency(&freq);
716 fprintf(stderr, "Could not calibrate ticks\n");
719 clock_freq = freq.QuadPart;
722 static int64_t get_clock(void)
725 QueryPerformanceCounter(&ti);
726 return muldiv64(ti.QuadPart, QEMU_TIMER_BASE, clock_freq);
731 static int use_rt_clock;
733 static void init_get_clock(void)
736 #if defined(__linux__)
739 if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) {
746 static int64_t get_clock(void)
748 #if defined(__linux__)
751 clock_gettime(CLOCK_MONOTONIC, &ts);
752 return ts.tv_sec * 1000000000LL + ts.tv_nsec;
756 /* XXX: using gettimeofday leads to problems if the date
757 changes, so it should be avoided. */
759 gettimeofday(&tv, NULL);
760 return tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000);
765 /* Return the virtual CPU time, based on the instruction counter. */
766 static int64_t cpu_get_icount(void)
769 CPUState *env = cpu_single_env;;
770 icount = qemu_icount;
773 fprintf(stderr, "Bad clock read\n");
774 icount -= (env->icount_decr.u16.low + env->icount_extra);
776 return qemu_icount_bias + (icount << icount_time_shift);
779 /***********************************************************/
780 /* guest cycle counter */
782 static int64_t cpu_ticks_prev;
783 static int64_t cpu_ticks_offset;
784 static int64_t cpu_clock_offset;
785 static int cpu_ticks_enabled;
787 /* return the host CPU cycle counter and handle stop/restart */
788 int64_t cpu_get_ticks(void)
791 return cpu_get_icount();
793 if (!cpu_ticks_enabled) {
794 return cpu_ticks_offset;
797 ticks = cpu_get_real_ticks();
798 if (cpu_ticks_prev > ticks) {
799 /* Note: non increasing ticks may happen if the host uses
801 cpu_ticks_offset += cpu_ticks_prev - ticks;
803 cpu_ticks_prev = ticks;
804 return ticks + cpu_ticks_offset;
808 /* return the host CPU monotonic timer and handle stop/restart */
809 static int64_t cpu_get_clock(void)
812 if (!cpu_ticks_enabled) {
813 return cpu_clock_offset;
816 return ti + cpu_clock_offset;
820 /* enable cpu_get_ticks() */
821 void cpu_enable_ticks(void)
823 if (!cpu_ticks_enabled) {
824 cpu_ticks_offset -= cpu_get_real_ticks();
825 cpu_clock_offset -= get_clock();
826 cpu_ticks_enabled = 1;
830 /* disable cpu_get_ticks() : the clock is stopped. You must not call
831 cpu_get_ticks() after that. */
832 void cpu_disable_ticks(void)
834 if (cpu_ticks_enabled) {
835 cpu_ticks_offset = cpu_get_ticks();
836 cpu_clock_offset = cpu_get_clock();
837 cpu_ticks_enabled = 0;
841 /***********************************************************/
844 #define QEMU_TIMER_REALTIME 0
845 #define QEMU_TIMER_VIRTUAL 1
849 /* XXX: add frequency */
857 struct QEMUTimer *next;
860 struct qemu_alarm_timer {
864 int (*start)(struct qemu_alarm_timer *t);
865 void (*stop)(struct qemu_alarm_timer *t);
866 void (*rearm)(struct qemu_alarm_timer *t);
870 #define ALARM_FLAG_DYNTICKS 0x1
871 #define ALARM_FLAG_EXPIRED 0x2
873 static inline int alarm_has_dynticks(struct qemu_alarm_timer *t)
875 return t->flags & ALARM_FLAG_DYNTICKS;
878 static void qemu_rearm_alarm_timer(struct qemu_alarm_timer *t)
880 if (!alarm_has_dynticks(t))
886 /* TODO: MIN_TIMER_REARM_US should be optimized */
887 #define MIN_TIMER_REARM_US 250
889 static struct qemu_alarm_timer *alarm_timer;
893 struct qemu_alarm_win32 {
897 } alarm_win32_data = {0, NULL, -1};
899 static int win32_start_timer(struct qemu_alarm_timer *t);
900 static void win32_stop_timer(struct qemu_alarm_timer *t);
901 static void win32_rearm_timer(struct qemu_alarm_timer *t);
905 static int unix_start_timer(struct qemu_alarm_timer *t);
906 static void unix_stop_timer(struct qemu_alarm_timer *t);
910 static int dynticks_start_timer(struct qemu_alarm_timer *t);
911 static void dynticks_stop_timer(struct qemu_alarm_timer *t);
912 static void dynticks_rearm_timer(struct qemu_alarm_timer *t);
914 static int hpet_start_timer(struct qemu_alarm_timer *t);
915 static void hpet_stop_timer(struct qemu_alarm_timer *t);
917 static int rtc_start_timer(struct qemu_alarm_timer *t);
918 static void rtc_stop_timer(struct qemu_alarm_timer *t);
920 #endif /* __linux__ */
924 /* Correlation between real and virtual time is always going to be
925 fairly approximate, so ignore small variation.
926 When the guest is idle real and virtual time will be aligned in
928 #define ICOUNT_WOBBLE (QEMU_TIMER_BASE / 10)
930 static void icount_adjust(void)
935 static int64_t last_delta;
936 /* If the VM is not running, then do nothing. */
940 cur_time = cpu_get_clock();
941 cur_icount = qemu_get_clock(vm_clock);
942 delta = cur_icount - cur_time;
943 /* FIXME: This is a very crude algorithm, somewhat prone to oscillation. */
945 && last_delta + ICOUNT_WOBBLE < delta * 2
946 && icount_time_shift > 0) {
947 /* The guest is getting too far ahead. Slow time down. */
951 && last_delta - ICOUNT_WOBBLE > delta * 2
952 && icount_time_shift < MAX_ICOUNT_SHIFT) {
953 /* The guest is getting too far behind. Speed time up. */
957 qemu_icount_bias = cur_icount - (qemu_icount << icount_time_shift);
960 static void icount_adjust_rt(void * opaque)
962 qemu_mod_timer(icount_rt_timer,
963 qemu_get_clock(rt_clock) + 1000);
967 static void icount_adjust_vm(void * opaque)
969 qemu_mod_timer(icount_vm_timer,
970 qemu_get_clock(vm_clock) + QEMU_TIMER_BASE / 10);
974 static void init_icount_adjust(void)
976 /* Have both realtime and virtual time triggers for speed adjustment.
977 The realtime trigger catches emulated time passing too slowly,
978 the virtual time trigger catches emulated time passing too fast.
979 Realtime triggers occur even when idle, so use them less frequently
981 icount_rt_timer = qemu_new_timer(rt_clock, icount_adjust_rt, NULL);
982 qemu_mod_timer(icount_rt_timer,
983 qemu_get_clock(rt_clock) + 1000);
984 icount_vm_timer = qemu_new_timer(vm_clock, icount_adjust_vm, NULL);
985 qemu_mod_timer(icount_vm_timer,
986 qemu_get_clock(vm_clock) + QEMU_TIMER_BASE / 10);
989 static struct qemu_alarm_timer alarm_timers[] = {
992 {"dynticks", ALARM_FLAG_DYNTICKS, dynticks_start_timer,
993 dynticks_stop_timer, dynticks_rearm_timer, NULL},
994 /* HPET - if available - is preferred */
995 {"hpet", 0, hpet_start_timer, hpet_stop_timer, NULL, NULL},
996 /* ...otherwise try RTC */
997 {"rtc", 0, rtc_start_timer, rtc_stop_timer, NULL, NULL},
999 {"unix", 0, unix_start_timer, unix_stop_timer, NULL, NULL},
1001 {"dynticks", ALARM_FLAG_DYNTICKS, win32_start_timer,
1002 win32_stop_timer, win32_rearm_timer, &alarm_win32_data},
1003 {"win32", 0, win32_start_timer,
1004 win32_stop_timer, NULL, &alarm_win32_data},
1009 static void show_available_alarms(void)
1013 printf("Available alarm timers, in order of precedence:\n");
1014 for (i = 0; alarm_timers[i].name; i++)
1015 printf("%s\n", alarm_timers[i].name);
1018 static void configure_alarms(char const *opt)
1022 int count = (sizeof(alarm_timers) / sizeof(*alarm_timers)) - 1;
1025 struct qemu_alarm_timer tmp;
1027 if (!strcmp(opt, "?")) {
1028 show_available_alarms();
1034 /* Reorder the array */
1035 name = strtok(arg, ",");
1037 for (i = 0; i < count && alarm_timers[i].name; i++) {
1038 if (!strcmp(alarm_timers[i].name, name))
1043 fprintf(stderr, "Unknown clock %s\n", name);
1052 tmp = alarm_timers[i];
1053 alarm_timers[i] = alarm_timers[cur];
1054 alarm_timers[cur] = tmp;
1058 name = strtok(NULL, ",");
1064 /* Disable remaining timers */
1065 for (i = cur; i < count; i++)
1066 alarm_timers[i].name = NULL;
1068 show_available_alarms();
1073 QEMUClock *rt_clock;
1074 QEMUClock *vm_clock;
1076 static QEMUTimer *active_timers[2];
1078 static QEMUClock *qemu_new_clock(int type)
1081 clock = qemu_mallocz(sizeof(QEMUClock));
1088 QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque)
1092 ts = qemu_mallocz(sizeof(QEMUTimer));
1095 ts->opaque = opaque;
1099 void qemu_free_timer(QEMUTimer *ts)
1104 /* stop a timer, but do not dealloc it */
1105 void qemu_del_timer(QEMUTimer *ts)
1109 /* NOTE: this code must be signal safe because
1110 qemu_timer_expired() can be called from a signal. */
1111 pt = &active_timers[ts->clock->type];
1124 /* modify the current timer so that it will be fired when current_time
1125 >= expire_time. The corresponding callback will be called. */
1126 void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time)
1132 /* add the timer in the sorted list */
1133 /* NOTE: this code must be signal safe because
1134 qemu_timer_expired() can be called from a signal. */
1135 pt = &active_timers[ts->clock->type];
1140 if (t->expire_time > expire_time)
1144 ts->expire_time = expire_time;
1148 /* Rearm if necessary */
1149 if (pt == &active_timers[ts->clock->type]) {
1150 if ((alarm_timer->flags & ALARM_FLAG_EXPIRED) == 0) {
1151 qemu_rearm_alarm_timer(alarm_timer);
1153 /* Interrupt execution to force deadline recalculation. */
1154 if (use_icount && cpu_single_env) {
1155 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
1160 int qemu_timer_pending(QEMUTimer *ts)
1163 for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) {
1170 static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time)
1174 return (timer_head->expire_time <= current_time);
1177 static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time)
1183 if (!ts || ts->expire_time > current_time)
1185 /* remove timer from the list before calling the callback */
1186 *ptimer_head = ts->next;
1189 /* run the callback (the timer list can be modified) */
1194 int64_t qemu_get_clock(QEMUClock *clock)
1196 switch(clock->type) {
1197 case QEMU_TIMER_REALTIME:
1198 return get_clock() / 1000000;
1200 case QEMU_TIMER_VIRTUAL:
1202 return cpu_get_icount();
1204 return cpu_get_clock();
1209 static void init_timers(void)
1212 ticks_per_sec = QEMU_TIMER_BASE;
1213 rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME);
1214 vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL);
1218 void qemu_put_timer(QEMUFile *f, QEMUTimer *ts)
1220 uint64_t expire_time;
1222 if (qemu_timer_pending(ts)) {
1223 expire_time = ts->expire_time;
1227 qemu_put_be64(f, expire_time);
1230 void qemu_get_timer(QEMUFile *f, QEMUTimer *ts)
1232 uint64_t expire_time;
1234 expire_time = qemu_get_be64(f);
1235 if (expire_time != -1) {
1236 qemu_mod_timer(ts, expire_time);
1242 static void timer_save(QEMUFile *f, void *opaque)
1244 if (cpu_ticks_enabled) {
1245 hw_error("cannot save state if virtual timers are running");
1247 qemu_put_be64(f, cpu_ticks_offset);
1248 qemu_put_be64(f, ticks_per_sec);
1249 qemu_put_be64(f, cpu_clock_offset);
1252 static int timer_load(QEMUFile *f, void *opaque, int version_id)
1254 if (version_id != 1 && version_id != 2)
1256 if (cpu_ticks_enabled) {
1259 cpu_ticks_offset=qemu_get_be64(f);
1260 ticks_per_sec=qemu_get_be64(f);
1261 if (version_id == 2) {
1262 cpu_clock_offset=qemu_get_be64(f);
1268 void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg,
1269 DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2)
1271 static void host_alarm_handler(int host_signum)
1275 #define DISP_FREQ 1000
1277 static int64_t delta_min = INT64_MAX;
1278 static int64_t delta_max, delta_cum, last_clock, delta, ti;
1280 ti = qemu_get_clock(vm_clock);
1281 if (last_clock != 0) {
1282 delta = ti - last_clock;
1283 if (delta < delta_min)
1285 if (delta > delta_max)
1288 if (++count == DISP_FREQ) {
1289 printf("timer: min=%" PRId64 " us max=%" PRId64 " us avg=%" PRId64 " us avg_freq=%0.3f Hz\n",
1290 muldiv64(delta_min, 1000000, ticks_per_sec),
1291 muldiv64(delta_max, 1000000, ticks_per_sec),
1292 muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec),
1293 (double)ticks_per_sec / ((double)delta_cum / DISP_FREQ));
1295 delta_min = INT64_MAX;
1303 if (alarm_has_dynticks(alarm_timer) ||
1305 qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL],
1306 qemu_get_clock(vm_clock))) ||
1307 qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME],
1308 qemu_get_clock(rt_clock))) {
1310 struct qemu_alarm_win32 *data = ((struct qemu_alarm_timer*)dwUser)->priv;
1311 SetEvent(data->host_alarm);
1313 CPUState *env = next_cpu;
1315 alarm_timer->flags |= ALARM_FLAG_EXPIRED;
1318 /* stop the currently executing cpu because a timer occured */
1319 cpu_interrupt(env, CPU_INTERRUPT_EXIT);
1321 if (env->kqemu_enabled) {
1322 kqemu_cpu_interrupt(env);
1330 static int64_t qemu_next_deadline(void)
1334 if (active_timers[QEMU_TIMER_VIRTUAL]) {
1335 delta = active_timers[QEMU_TIMER_VIRTUAL]->expire_time -
1336 qemu_get_clock(vm_clock);
1338 /* To avoid problems with overflow limit this to 2^32. */
1348 #if defined(__linux__) || defined(_WIN32)
1349 static uint64_t qemu_next_deadline_dyntick(void)
1357 delta = (qemu_next_deadline() + 999) / 1000;
1359 if (active_timers[QEMU_TIMER_REALTIME]) {
1360 rtdelta = (active_timers[QEMU_TIMER_REALTIME]->expire_time -
1361 qemu_get_clock(rt_clock))*1000;
1362 if (rtdelta < delta)
1366 if (delta < MIN_TIMER_REARM_US)
1367 delta = MIN_TIMER_REARM_US;
1375 #if defined(__linux__)
1377 #define RTC_FREQ 1024
1379 static void enable_sigio_timer(int fd)
1381 struct sigaction act;
1384 sigfillset(&act.sa_mask);
1386 act.sa_handler = host_alarm_handler;
1388 sigaction(SIGIO, &act, NULL);
1389 fcntl(fd, F_SETFL, O_ASYNC);
1390 fcntl(fd, F_SETOWN, getpid());
1393 static int hpet_start_timer(struct qemu_alarm_timer *t)
1395 struct hpet_info info;
1398 fd = open("/dev/hpet", O_RDONLY);
1403 r = ioctl(fd, HPET_IRQFREQ, RTC_FREQ);
1405 fprintf(stderr, "Could not configure '/dev/hpet' to have a 1024Hz timer. This is not a fatal\n"
1406 "error, but for better emulation accuracy type:\n"
1407 "'echo 1024 > /proc/sys/dev/hpet/max-user-freq' as root.\n");
1411 /* Check capabilities */
1412 r = ioctl(fd, HPET_INFO, &info);
1416 /* Enable periodic mode */
1417 r = ioctl(fd, HPET_EPI, 0);
1418 if (info.hi_flags && (r < 0))
1421 /* Enable interrupt */
1422 r = ioctl(fd, HPET_IE_ON, 0);
1426 enable_sigio_timer(fd);
1427 t->priv = (void *)(long)fd;
1435 static void hpet_stop_timer(struct qemu_alarm_timer *t)
1437 int fd = (long)t->priv;
1442 static int rtc_start_timer(struct qemu_alarm_timer *t)
1445 unsigned long current_rtc_freq = 0;
1447 TFR(rtc_fd = open("/dev/rtc", O_RDONLY));
1450 ioctl(rtc_fd, RTC_IRQP_READ, ¤t_rtc_freq);
1451 if (current_rtc_freq != RTC_FREQ &&
1452 ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) {
1453 fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
1454 "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
1455 "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
1458 if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) {
1464 enable_sigio_timer(rtc_fd);
1466 t->priv = (void *)(long)rtc_fd;
1471 static void rtc_stop_timer(struct qemu_alarm_timer *t)
1473 int rtc_fd = (long)t->priv;
1478 static int dynticks_start_timer(struct qemu_alarm_timer *t)
1482 struct sigaction act;
1484 sigfillset(&act.sa_mask);
1486 act.sa_handler = host_alarm_handler;
1488 sigaction(SIGALRM, &act, NULL);
1490 ev.sigev_value.sival_int = 0;
1491 ev.sigev_notify = SIGEV_SIGNAL;
1492 ev.sigev_signo = SIGALRM;
1494 if (timer_create(CLOCK_REALTIME, &ev, &host_timer)) {
1495 perror("timer_create");
1497 /* disable dynticks */
1498 fprintf(stderr, "Dynamic Ticks disabled\n");
1503 t->priv = (void *)host_timer;
1508 static void dynticks_stop_timer(struct qemu_alarm_timer *t)
1510 timer_t host_timer = (timer_t)t->priv;
1512 timer_delete(host_timer);
1515 static void dynticks_rearm_timer(struct qemu_alarm_timer *t)
1517 timer_t host_timer = (timer_t)t->priv;
1518 struct itimerspec timeout;
1519 int64_t nearest_delta_us = INT64_MAX;
1522 if (!active_timers[QEMU_TIMER_REALTIME] &&
1523 !active_timers[QEMU_TIMER_VIRTUAL])
1526 nearest_delta_us = qemu_next_deadline_dyntick();
1528 /* check whether a timer is already running */
1529 if (timer_gettime(host_timer, &timeout)) {
1531 fprintf(stderr, "Internal timer error: aborting\n");
1534 current_us = timeout.it_value.tv_sec * 1000000 + timeout.it_value.tv_nsec/1000;
1535 if (current_us && current_us <= nearest_delta_us)
1538 timeout.it_interval.tv_sec = 0;
1539 timeout.it_interval.tv_nsec = 0; /* 0 for one-shot timer */
1540 timeout.it_value.tv_sec = nearest_delta_us / 1000000;
1541 timeout.it_value.tv_nsec = (nearest_delta_us % 1000000) * 1000;
1542 if (timer_settime(host_timer, 0 /* RELATIVE */, &timeout, NULL)) {
1544 fprintf(stderr, "Internal timer error: aborting\n");
1549 #endif /* defined(__linux__) */
1551 static int unix_start_timer(struct qemu_alarm_timer *t)
1553 struct sigaction act;
1554 struct itimerval itv;
1558 sigfillset(&act.sa_mask);
1560 act.sa_handler = host_alarm_handler;
1562 sigaction(SIGALRM, &act, NULL);
1564 itv.it_interval.tv_sec = 0;
1565 /* for i386 kernel 2.6 to get 1 ms */
1566 itv.it_interval.tv_usec = 999;
1567 itv.it_value.tv_sec = 0;
1568 itv.it_value.tv_usec = 10 * 1000;
1570 err = setitimer(ITIMER_REAL, &itv, NULL);
1577 static void unix_stop_timer(struct qemu_alarm_timer *t)
1579 struct itimerval itv;
1581 memset(&itv, 0, sizeof(itv));
1582 setitimer(ITIMER_REAL, &itv, NULL);
1585 #endif /* !defined(_WIN32) */
1589 static int win32_start_timer(struct qemu_alarm_timer *t)
1592 struct qemu_alarm_win32 *data = t->priv;
1595 data->host_alarm = CreateEvent(NULL, FALSE, FALSE, NULL);
1596 if (!data->host_alarm) {
1597 perror("Failed CreateEvent");
1601 memset(&tc, 0, sizeof(tc));
1602 timeGetDevCaps(&tc, sizeof(tc));
1604 if (data->period < tc.wPeriodMin)
1605 data->period = tc.wPeriodMin;
1607 timeBeginPeriod(data->period);
1609 flags = TIME_CALLBACK_FUNCTION;
1610 if (alarm_has_dynticks(t))
1611 flags |= TIME_ONESHOT;
1613 flags |= TIME_PERIODIC;
1615 data->timerId = timeSetEvent(1, // interval (ms)
1616 data->period, // resolution
1617 host_alarm_handler, // function
1618 (DWORD)t, // parameter
1621 if (!data->timerId) {
1622 perror("Failed to initialize win32 alarm timer");
1624 timeEndPeriod(data->period);
1625 CloseHandle(data->host_alarm);
1629 qemu_add_wait_object(data->host_alarm, NULL, NULL);
1634 static void win32_stop_timer(struct qemu_alarm_timer *t)
1636 struct qemu_alarm_win32 *data = t->priv;
1638 timeKillEvent(data->timerId);
1639 timeEndPeriod(data->period);
1641 CloseHandle(data->host_alarm);
1644 static void win32_rearm_timer(struct qemu_alarm_timer *t)
1646 struct qemu_alarm_win32 *data = t->priv;
1647 uint64_t nearest_delta_us;
1649 if (!active_timers[QEMU_TIMER_REALTIME] &&
1650 !active_timers[QEMU_TIMER_VIRTUAL])
1653 nearest_delta_us = qemu_next_deadline_dyntick();
1654 nearest_delta_us /= 1000;
1656 timeKillEvent(data->timerId);
1658 data->timerId = timeSetEvent(1,
1662 TIME_ONESHOT | TIME_PERIODIC);
1664 if (!data->timerId) {
1665 perror("Failed to re-arm win32 alarm timer");
1667 timeEndPeriod(data->period);
1668 CloseHandle(data->host_alarm);
1675 static void init_timer_alarm(void)
1677 struct qemu_alarm_timer *t = NULL;
1680 for (i = 0; alarm_timers[i].name; i++) {
1681 t = &alarm_timers[i];
1689 fprintf(stderr, "Unable to find any suitable alarm timer.\n");
1690 fprintf(stderr, "Terminating\n");
1697 static void quit_timers(void)
1699 alarm_timer->stop(alarm_timer);
1703 /***********************************************************/
1704 /* host time/date access */
1705 void qemu_get_timedate(struct tm *tm, int offset)
1712 if (rtc_date_offset == -1) {
1716 ret = localtime(&ti);
1718 ti -= rtc_date_offset;
1722 memcpy(tm, ret, sizeof(struct tm));
1725 int qemu_timedate_diff(struct tm *tm)
1729 if (rtc_date_offset == -1)
1731 seconds = mktimegm(tm);
1733 seconds = mktime(tm);
1735 seconds = mktimegm(tm) + rtc_date_offset;
1737 return seconds - time(NULL);
1740 /***********************************************************/
1741 /* character device */
1743 static void qemu_chr_event(CharDriverState *s, int event)
1747 s->chr_event(s->handler_opaque, event);
1750 static void qemu_chr_reset_bh(void *opaque)
1752 CharDriverState *s = opaque;
1753 qemu_chr_event(s, CHR_EVENT_RESET);
1754 qemu_bh_delete(s->bh);
1758 void qemu_chr_reset(CharDriverState *s)
1760 if (s->bh == NULL) {
1761 s->bh = qemu_bh_new(qemu_chr_reset_bh, s);
1762 qemu_bh_schedule(s->bh);
1766 int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len)
1768 return s->chr_write(s, buf, len);
1771 int qemu_chr_ioctl(CharDriverState *s, int cmd, void *arg)
1775 return s->chr_ioctl(s, cmd, arg);
1778 int qemu_chr_can_read(CharDriverState *s)
1780 if (!s->chr_can_read)
1782 return s->chr_can_read(s->handler_opaque);
1785 void qemu_chr_read(CharDriverState *s, uint8_t *buf, int len)
1787 s->chr_read(s->handler_opaque, buf, len);
1790 void qemu_chr_accept_input(CharDriverState *s)
1792 if (s->chr_accept_input)
1793 s->chr_accept_input(s);
1796 void qemu_chr_printf(CharDriverState *s, const char *fmt, ...)
1801 vsnprintf(buf, sizeof(buf), fmt, ap);
1802 qemu_chr_write(s, (uint8_t *)buf, strlen(buf));
1806 void qemu_chr_send_event(CharDriverState *s, int event)
1808 if (s->chr_send_event)
1809 s->chr_send_event(s, event);
1812 void qemu_chr_add_handlers(CharDriverState *s,
1813 IOCanRWHandler *fd_can_read,
1814 IOReadHandler *fd_read,
1815 IOEventHandler *fd_event,
1818 s->chr_can_read = fd_can_read;
1819 s->chr_read = fd_read;
1820 s->chr_event = fd_event;
1821 s->handler_opaque = opaque;
1822 if (s->chr_update_read_handler)
1823 s->chr_update_read_handler(s);
1826 static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1831 static CharDriverState *qemu_chr_open_null(void)
1833 CharDriverState *chr;
1835 chr = qemu_mallocz(sizeof(CharDriverState));
1838 chr->chr_write = null_chr_write;
1842 /* MUX driver for serial I/O splitting */
1843 static int term_timestamps;
1844 static int64_t term_timestamps_start;
1846 #define MUX_BUFFER_SIZE 32 /* Must be a power of 2. */
1847 #define MUX_BUFFER_MASK (MUX_BUFFER_SIZE - 1)
1849 IOCanRWHandler *chr_can_read[MAX_MUX];
1850 IOReadHandler *chr_read[MAX_MUX];
1851 IOEventHandler *chr_event[MAX_MUX];
1852 void *ext_opaque[MAX_MUX];
1853 CharDriverState *drv;
1854 unsigned char buffer[MUX_BUFFER_SIZE];
1858 int term_got_escape;
1863 static int mux_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1865 MuxDriver *d = chr->opaque;
1867 if (!term_timestamps) {
1868 ret = d->drv->chr_write(d->drv, buf, len);
1873 for(i = 0; i < len; i++) {
1874 ret += d->drv->chr_write(d->drv, buf+i, 1);
1875 if (buf[i] == '\n') {
1881 if (term_timestamps_start == -1)
1882 term_timestamps_start = ti;
1883 ti -= term_timestamps_start;
1884 secs = ti / 1000000000;
1885 snprintf(buf1, sizeof(buf1),
1886 "[%02d:%02d:%02d.%03d] ",
1890 (int)((ti / 1000000) % 1000));
1891 d->drv->chr_write(d->drv, (uint8_t *)buf1, strlen(buf1));
1898 static const char * const mux_help[] = {
1899 "% h print this help\n\r",
1900 "% x exit emulator\n\r",
1901 "% s save disk data back to file (if -snapshot)\n\r",
1902 "% t toggle console timestamps\n\r"
1903 "% b send break (magic sysrq)\n\r",
1904 "% c switch between console and monitor\n\r",
1909 static int term_escape_char = 0x01; /* ctrl-a is used for escape */
1910 static void mux_print_help(CharDriverState *chr)
1913 char ebuf[15] = "Escape-Char";
1914 char cbuf[50] = "\n\r";
1916 if (term_escape_char > 0 && term_escape_char < 26) {
1917 snprintf(cbuf, sizeof(cbuf), "\n\r");
1918 snprintf(ebuf, sizeof(ebuf), "C-%c", term_escape_char - 1 + 'a');
1920 snprintf(cbuf, sizeof(cbuf),
1921 "\n\rEscape-Char set to Ascii: 0x%02x\n\r\n\r",
1924 chr->chr_write(chr, (uint8_t *)cbuf, strlen(cbuf));
1925 for (i = 0; mux_help[i] != NULL; i++) {
1926 for (j=0; mux_help[i][j] != '\0'; j++) {
1927 if (mux_help[i][j] == '%')
1928 chr->chr_write(chr, (uint8_t *)ebuf, strlen(ebuf));
1930 chr->chr_write(chr, (uint8_t *)&mux_help[i][j], 1);
1935 static int mux_proc_byte(CharDriverState *chr, MuxDriver *d, int ch)
1937 if (d->term_got_escape) {
1938 d->term_got_escape = 0;
1939 if (ch == term_escape_char)
1944 mux_print_help(chr);
1948 const char *term = "QEMU: Terminated\n\r";
1949 chr->chr_write(chr,(uint8_t *)term,strlen(term));
1956 for (i = 0; i < nb_drives; i++) {
1957 bdrv_commit(drives_table[i].bdrv);
1962 qemu_chr_event(chr, CHR_EVENT_BREAK);
1965 /* Switch to the next registered device */
1967 if (chr->focus >= d->mux_cnt)
1971 term_timestamps = !term_timestamps;
1972 term_timestamps_start = -1;
1975 } else if (ch == term_escape_char) {
1976 d->term_got_escape = 1;
1984 static void mux_chr_accept_input(CharDriverState *chr)
1987 MuxDriver *d = chr->opaque;
1989 while (d->prod != d->cons &&
1990 d->chr_can_read[m] &&
1991 d->chr_can_read[m](d->ext_opaque[m])) {
1992 d->chr_read[m](d->ext_opaque[m],
1993 &d->buffer[d->cons++ & MUX_BUFFER_MASK], 1);
1997 static int mux_chr_can_read(void *opaque)
1999 CharDriverState *chr = opaque;
2000 MuxDriver *d = chr->opaque;
2002 if ((d->prod - d->cons) < MUX_BUFFER_SIZE)
2004 if (d->chr_can_read[chr->focus])
2005 return d->chr_can_read[chr->focus](d->ext_opaque[chr->focus]);
2009 static void mux_chr_read(void *opaque, const uint8_t *buf, int size)
2011 CharDriverState *chr = opaque;
2012 MuxDriver *d = chr->opaque;
2016 mux_chr_accept_input (opaque);
2018 for(i = 0; i < size; i++)
2019 if (mux_proc_byte(chr, d, buf[i])) {
2020 if (d->prod == d->cons &&
2021 d->chr_can_read[m] &&
2022 d->chr_can_read[m](d->ext_opaque[m]))
2023 d->chr_read[m](d->ext_opaque[m], &buf[i], 1);
2025 d->buffer[d->prod++ & MUX_BUFFER_MASK] = buf[i];
2029 static void mux_chr_event(void *opaque, int event)
2031 CharDriverState *chr = opaque;
2032 MuxDriver *d = chr->opaque;
2035 /* Send the event to all registered listeners */
2036 for (i = 0; i < d->mux_cnt; i++)
2037 if (d->chr_event[i])
2038 d->chr_event[i](d->ext_opaque[i], event);
2041 static void mux_chr_update_read_handler(CharDriverState *chr)
2043 MuxDriver *d = chr->opaque;
2045 if (d->mux_cnt >= MAX_MUX) {
2046 fprintf(stderr, "Cannot add I/O handlers, MUX array is full\n");
2049 d->ext_opaque[d->mux_cnt] = chr->handler_opaque;
2050 d->chr_can_read[d->mux_cnt] = chr->chr_can_read;
2051 d->chr_read[d->mux_cnt] = chr->chr_read;
2052 d->chr_event[d->mux_cnt] = chr->chr_event;
2053 /* Fix up the real driver with mux routines */
2054 if (d->mux_cnt == 0) {
2055 qemu_chr_add_handlers(d->drv, mux_chr_can_read, mux_chr_read,
2056 mux_chr_event, chr);
2058 chr->focus = d->mux_cnt;
2062 static CharDriverState *qemu_chr_open_mux(CharDriverState *drv)
2064 CharDriverState *chr;
2067 chr = qemu_mallocz(sizeof(CharDriverState));
2070 d = qemu_mallocz(sizeof(MuxDriver));
2079 chr->chr_write = mux_chr_write;
2080 chr->chr_update_read_handler = mux_chr_update_read_handler;
2081 chr->chr_accept_input = mux_chr_accept_input;
2088 static void socket_cleanup(void)
2093 static int socket_init(void)
2098 ret = WSAStartup(MAKEWORD(2,2), &Data);
2100 err = WSAGetLastError();
2101 fprintf(stderr, "WSAStartup: %d\n", err);
2104 atexit(socket_cleanup);
2108 static int send_all(int fd, const uint8_t *buf, int len1)
2114 ret = send(fd, buf, len, 0);
2117 errno = WSAGetLastError();
2118 if (errno != WSAEWOULDBLOCK) {
2121 } else if (ret == 0) {
2133 static int unix_write(int fd, const uint8_t *buf, int len1)
2139 ret = write(fd, buf, len);
2141 if (errno != EINTR && errno != EAGAIN)
2143 } else if (ret == 0) {
2153 static inline int send_all(int fd, const uint8_t *buf, int len1)
2155 return unix_write(fd, buf, len1);
2157 #endif /* !_WIN32 */
2166 #define STDIO_MAX_CLIENTS 1
2167 static int stdio_nb_clients = 0;
2169 static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
2171 FDCharDriver *s = chr->opaque;
2172 return unix_write(s->fd_out, buf, len);
2175 static int fd_chr_read_poll(void *opaque)
2177 CharDriverState *chr = opaque;
2178 FDCharDriver *s = chr->opaque;
2180 s->max_size = qemu_chr_can_read(chr);
2184 static void fd_chr_read(void *opaque)
2186 CharDriverState *chr = opaque;
2187 FDCharDriver *s = chr->opaque;
2192 if (len > s->max_size)
2196 size = read(s->fd_in, buf, len);
2198 /* FD has been closed. Remove it from the active list. */
2199 qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL);
2203 qemu_chr_read(chr, buf, size);
2207 static void fd_chr_update_read_handler(CharDriverState *chr)
2209 FDCharDriver *s = chr->opaque;
2211 if (s->fd_in >= 0) {
2212 if (nographic && s->fd_in == 0) {
2214 qemu_set_fd_handler2(s->fd_in, fd_chr_read_poll,
2215 fd_chr_read, NULL, chr);
2220 static void fd_chr_close(struct CharDriverState *chr)
2222 FDCharDriver *s = chr->opaque;
2224 if (s->fd_in >= 0) {
2225 if (nographic && s->fd_in == 0) {
2227 qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL);
2234 /* open a character device to a unix fd */
2235 static CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out)
2237 CharDriverState *chr;
2240 chr = qemu_mallocz(sizeof(CharDriverState));
2243 s = qemu_mallocz(sizeof(FDCharDriver));
2251 chr->chr_write = fd_chr_write;
2252 chr->chr_update_read_handler = fd_chr_update_read_handler;
2253 chr->chr_close = fd_chr_close;
2255 qemu_chr_reset(chr);
2260 static CharDriverState *qemu_chr_open_file_out(const char *file_out)
2264 TFR(fd_out = open(file_out, O_WRONLY | O_TRUNC | O_CREAT | O_BINARY, 0666));
2267 return qemu_chr_open_fd(-1, fd_out);
2270 static CharDriverState *qemu_chr_open_pipe(const char *filename)
2273 char filename_in[256], filename_out[256];
2275 snprintf(filename_in, 256, "%s.in", filename);
2276 snprintf(filename_out, 256, "%s.out", filename);
2277 TFR(fd_in = open(filename_in, O_RDWR | O_BINARY));
2278 TFR(fd_out = open(filename_out, O_RDWR | O_BINARY));
2279 if (fd_in < 0 || fd_out < 0) {
2284 TFR(fd_in = fd_out = open(filename, O_RDWR | O_BINARY));
2288 return qemu_chr_open_fd(fd_in, fd_out);
2292 /* for STDIO, we handle the case where several clients use it
2295 #define TERM_FIFO_MAX_SIZE 1
2297 static uint8_t term_fifo[TERM_FIFO_MAX_SIZE];
2298 static int term_fifo_size;
2300 static int stdio_read_poll(void *opaque)
2302 CharDriverState *chr = opaque;
2304 /* try to flush the queue if needed */
2305 if (term_fifo_size != 0 && qemu_chr_can_read(chr) > 0) {
2306 qemu_chr_read(chr, term_fifo, 1);
2309 /* see if we can absorb more chars */
2310 if (term_fifo_size == 0)
2316 static void stdio_read(void *opaque)
2320 CharDriverState *chr = opaque;
2322 size = read(0, buf, 1);
2324 /* stdin has been closed. Remove it from the active list. */
2325 qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL);
2329 if (qemu_chr_can_read(chr) > 0) {
2330 qemu_chr_read(chr, buf, 1);
2331 } else if (term_fifo_size == 0) {
2332 term_fifo[term_fifo_size++] = buf[0];
2337 /* init terminal so that we can grab keys */
2338 static struct termios oldtty;
2339 static int old_fd0_flags;
2340 static int term_atexit_done;
2342 static void term_exit(void)
2344 tcsetattr (0, TCSANOW, &oldtty);
2345 fcntl(0, F_SETFL, old_fd0_flags);
2348 static void term_init(void)
2352 tcgetattr (0, &tty);
2354 old_fd0_flags = fcntl(0, F_GETFL);
2356 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
2357 |INLCR|IGNCR|ICRNL|IXON);
2358 tty.c_oflag |= OPOST;
2359 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
2360 /* if graphical mode, we allow Ctrl-C handling */
2362 tty.c_lflag &= ~ISIG;
2363 tty.c_cflag &= ~(CSIZE|PARENB);
2366 tty.c_cc[VTIME] = 0;
2368 tcsetattr (0, TCSANOW, &tty);
2370 if (!term_atexit_done++)
2373 fcntl(0, F_SETFL, O_NONBLOCK);
2376 static void qemu_chr_close_stdio(struct CharDriverState *chr)
2380 qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL);
2384 static CharDriverState *qemu_chr_open_stdio(void)
2386 CharDriverState *chr;
2388 if (stdio_nb_clients >= STDIO_MAX_CLIENTS)
2390 chr = qemu_chr_open_fd(0, 1);
2391 chr->chr_close = qemu_chr_close_stdio;
2392 qemu_set_fd_handler2(0, stdio_read_poll, stdio_read, NULL, chr);
2400 /* Once Solaris has openpty(), this is going to be removed. */
2401 int openpty(int *amaster, int *aslave, char *name,
2402 struct termios *termp, struct winsize *winp)
2405 int mfd = -1, sfd = -1;
2407 *amaster = *aslave = -1;
2409 mfd = open("/dev/ptmx", O_RDWR | O_NOCTTY);
2413 if (grantpt(mfd) == -1 || unlockpt(mfd) == -1)
2416 if ((slave = ptsname(mfd)) == NULL)
2419 if ((sfd = open(slave, O_RDONLY | O_NOCTTY)) == -1)
2422 if (ioctl(sfd, I_PUSH, "ptem") == -1 ||
2423 (termp != NULL && tcgetattr(sfd, termp) < 0))
2431 ioctl(sfd, TIOCSWINSZ, winp);
2442 void cfmakeraw (struct termios *termios_p)
2444 termios_p->c_iflag &=
2445 ~(IGNBRK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL|IXON);
2446 termios_p->c_oflag &= ~OPOST;
2447 termios_p->c_lflag &= ~(ECHO|ECHONL|ICANON|ISIG|IEXTEN);
2448 termios_p->c_cflag &= ~(CSIZE|PARENB);
2449 termios_p->c_cflag |= CS8;
2451 termios_p->c_cc[VMIN] = 0;
2452 termios_p->c_cc[VTIME] = 0;
2456 #if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \
2457 || defined(__NetBSD__) || defined(__OpenBSD__)
2467 static void pty_chr_update_read_handler(CharDriverState *chr);
2468 static void pty_chr_state(CharDriverState *chr, int connected);
2470 static int pty_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
2472 PtyCharDriver *s = chr->opaque;
2474 if (!s->connected) {
2475 /* guest sends data, check for (re-)connect */
2476 pty_chr_update_read_handler(chr);
2479 return unix_write(s->fd, buf, len);
2482 static int pty_chr_read_poll(void *opaque)
2484 CharDriverState *chr = opaque;
2485 PtyCharDriver *s = chr->opaque;
2487 s->read_bytes = qemu_chr_can_read(chr);
2488 return s->read_bytes;
2491 static void pty_chr_read(void *opaque)
2493 CharDriverState *chr = opaque;
2494 PtyCharDriver *s = chr->opaque;
2499 if (len > s->read_bytes)
2500 len = s->read_bytes;
2503 size = read(s->fd, buf, len);
2504 if ((size == -1 && errno == EIO) ||
2506 pty_chr_state(chr, 0);
2510 pty_chr_state(chr, 1);
2511 qemu_chr_read(chr, buf, size);
2515 static void pty_chr_update_read_handler(CharDriverState *chr)
2517 PtyCharDriver *s = chr->opaque;
2519 qemu_set_fd_handler2(s->fd, pty_chr_read_poll,
2520 pty_chr_read, NULL, chr);
2523 * Short timeout here: just need wait long enougth that qemu makes
2524 * it through the poll loop once. When reconnected we want a
2525 * short timeout so we notice it almost instantly. Otherwise
2526 * read() gives us -EIO instantly, making pty_chr_state() reset the
2527 * timeout to the normal (much longer) poll interval before the
2530 qemu_mod_timer(s->timer, qemu_get_clock(rt_clock) + 10);
2533 static void pty_chr_state(CharDriverState *chr, int connected)
2535 PtyCharDriver *s = chr->opaque;
2538 qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL);
2541 /* (re-)connect poll interval for idle guests: once per second.
2542 * We check more frequently in case the guests sends data to
2543 * the virtual device linked to our pty. */
2544 qemu_mod_timer(s->timer, qemu_get_clock(rt_clock) + 1000);
2547 qemu_chr_reset(chr);
2552 static void pty_chr_timer(void *opaque)
2554 struct CharDriverState *chr = opaque;
2555 PtyCharDriver *s = chr->opaque;
2560 /* If we arrive here without polling being cleared due
2561 * read returning -EIO, then we are (re-)connected */
2562 pty_chr_state(chr, 1);
2567 pty_chr_update_read_handler(chr);
2570 static void pty_chr_close(struct CharDriverState *chr)
2572 PtyCharDriver *s = chr->opaque;
2574 qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL);
2579 static CharDriverState *qemu_chr_open_pty(void)
2581 CharDriverState *chr;
2585 #if defined(__OpenBSD__)
2586 char pty_name[PATH_MAX];
2587 #define q_ptsname(x) pty_name
2589 char *pty_name = NULL;
2590 #define q_ptsname(x) ptsname(x)
2593 chr = qemu_mallocz(sizeof(CharDriverState));
2596 s = qemu_mallocz(sizeof(PtyCharDriver));
2602 if (openpty(&s->fd, &slave_fd, pty_name, NULL, NULL) < 0) {
2606 /* Set raw attributes on the pty. */
2608 tcsetattr(slave_fd, TCSAFLUSH, &tty);
2611 fprintf(stderr, "char device redirected to %s\n", q_ptsname(s->fd));
2614 chr->chr_write = pty_chr_write;
2615 chr->chr_update_read_handler = pty_chr_update_read_handler;
2616 chr->chr_close = pty_chr_close;
2618 s->timer = qemu_new_timer(rt_clock, pty_chr_timer, chr);
2623 static void tty_serial_init(int fd, int speed,
2624 int parity, int data_bits, int stop_bits)
2630 printf("tty_serial_init: speed=%d parity=%c data=%d stop=%d\n",
2631 speed, parity, data_bits, stop_bits);
2633 tcgetattr (fd, &tty);
2636 if (speed <= 50 * MARGIN)
2638 else if (speed <= 75 * MARGIN)
2640 else if (speed <= 300 * MARGIN)
2642 else if (speed <= 600 * MARGIN)
2644 else if (speed <= 1200 * MARGIN)
2646 else if (speed <= 2400 * MARGIN)
2648 else if (speed <= 4800 * MARGIN)
2650 else if (speed <= 9600 * MARGIN)
2652 else if (speed <= 19200 * MARGIN)
2654 else if (speed <= 38400 * MARGIN)
2656 else if (speed <= 57600 * MARGIN)
2658 else if (speed <= 115200 * MARGIN)
2663 cfsetispeed(&tty, spd);
2664 cfsetospeed(&tty, spd);
2666 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
2667 |INLCR|IGNCR|ICRNL|IXON);
2668 tty.c_oflag |= OPOST;
2669 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN|ISIG);
2670 tty.c_cflag &= ~(CSIZE|PARENB|PARODD|CRTSCTS|CSTOPB);
2691 tty.c_cflag |= PARENB;
2694 tty.c_cflag |= PARENB | PARODD;
2698 tty.c_cflag |= CSTOPB;
2700 tcsetattr (fd, TCSANOW, &tty);
2703 static int tty_serial_ioctl(CharDriverState *chr, int cmd, void *arg)
2705 FDCharDriver *s = chr->opaque;
2708 case CHR_IOCTL_SERIAL_SET_PARAMS:
2710 QEMUSerialSetParams *ssp = arg;
2711 tty_serial_init(s->fd_in, ssp->speed, ssp->parity,
2712 ssp->data_bits, ssp->stop_bits);
2715 case CHR_IOCTL_SERIAL_SET_BREAK:
2717 int enable = *(int *)arg;
2719 tcsendbreak(s->fd_in, 1);
2722 case CHR_IOCTL_SERIAL_GET_TIOCM:
2725 int *targ = (int *)arg;
2726 ioctl(s->fd_in, TIOCMGET, &sarg);
2728 if (sarg | TIOCM_CTS)
2729 *targ |= CHR_TIOCM_CTS;
2730 if (sarg | TIOCM_CAR)
2731 *targ |= CHR_TIOCM_CAR;
2732 if (sarg | TIOCM_DSR)
2733 *targ |= CHR_TIOCM_DSR;
2734 if (sarg | TIOCM_RI)
2735 *targ |= CHR_TIOCM_RI;
2736 if (sarg | TIOCM_DTR)
2737 *targ |= CHR_TIOCM_DTR;
2738 if (sarg | TIOCM_RTS)
2739 *targ |= CHR_TIOCM_RTS;
2742 case CHR_IOCTL_SERIAL_SET_TIOCM:
2744 int sarg = *(int *)arg;
2746 if (sarg | CHR_TIOCM_DTR)
2748 if (sarg | CHR_TIOCM_RTS)
2750 ioctl(s->fd_in, TIOCMSET, &targ);
2759 static CharDriverState *qemu_chr_open_tty(const char *filename)
2761 CharDriverState *chr;
2764 TFR(fd = open(filename, O_RDWR | O_NONBLOCK));
2765 tty_serial_init(fd, 115200, 'N', 8, 1);
2766 chr = qemu_chr_open_fd(fd, fd);
2771 chr->chr_ioctl = tty_serial_ioctl;
2772 qemu_chr_reset(chr);
2775 #else /* ! __linux__ && ! __sun__ */
2776 static CharDriverState *qemu_chr_open_pty(void)
2780 #endif /* __linux__ || __sun__ */
2782 #if defined(__linux__)
2786 } ParallelCharDriver;
2788 static int pp_hw_mode(ParallelCharDriver *s, uint16_t mode)
2790 if (s->mode != mode) {
2792 if (ioctl(s->fd, PPSETMODE, &m) < 0)
2799 static int pp_ioctl(CharDriverState *chr, int cmd, void *arg)
2801 ParallelCharDriver *drv = chr->opaque;
2806 case CHR_IOCTL_PP_READ_DATA:
2807 if (ioctl(fd, PPRDATA, &b) < 0)
2809 *(uint8_t *)arg = b;
2811 case CHR_IOCTL_PP_WRITE_DATA:
2812 b = *(uint8_t *)arg;
2813 if (ioctl(fd, PPWDATA, &b) < 0)
2816 case CHR_IOCTL_PP_READ_CONTROL:
2817 if (ioctl(fd, PPRCONTROL, &b) < 0)
2819 /* Linux gives only the lowest bits, and no way to know data
2820 direction! For better compatibility set the fixed upper
2822 *(uint8_t *)arg = b | 0xc0;
2824 case CHR_IOCTL_PP_WRITE_CONTROL:
2825 b = *(uint8_t *)arg;
2826 if (ioctl(fd, PPWCONTROL, &b) < 0)
2829 case CHR_IOCTL_PP_READ_STATUS:
2830 if (ioctl(fd, PPRSTATUS, &b) < 0)
2832 *(uint8_t *)arg = b;
2834 case CHR_IOCTL_PP_DATA_DIR:
2835 if (ioctl(fd, PPDATADIR, (int *)arg) < 0)
2838 case CHR_IOCTL_PP_EPP_READ_ADDR:
2839 if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) {
2840 struct ParallelIOArg *parg = arg;
2841 int n = read(fd, parg->buffer, parg->count);
2842 if (n != parg->count) {
2847 case CHR_IOCTL_PP_EPP_READ:
2848 if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) {
2849 struct ParallelIOArg *parg = arg;
2850 int n = read(fd, parg->buffer, parg->count);
2851 if (n != parg->count) {
2856 case CHR_IOCTL_PP_EPP_WRITE_ADDR:
2857 if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) {
2858 struct ParallelIOArg *parg = arg;
2859 int n = write(fd, parg->buffer, parg->count);
2860 if (n != parg->count) {
2865 case CHR_IOCTL_PP_EPP_WRITE:
2866 if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) {
2867 struct ParallelIOArg *parg = arg;
2868 int n = write(fd, parg->buffer, parg->count);
2869 if (n != parg->count) {
2880 static void pp_close(CharDriverState *chr)
2882 ParallelCharDriver *drv = chr->opaque;
2885 pp_hw_mode(drv, IEEE1284_MODE_COMPAT);
2886 ioctl(fd, PPRELEASE);
2891 static CharDriverState *qemu_chr_open_pp(const char *filename)
2893 CharDriverState *chr;
2894 ParallelCharDriver *drv;
2897 TFR(fd = open(filename, O_RDWR));
2901 if (ioctl(fd, PPCLAIM) < 0) {
2906 drv = qemu_mallocz(sizeof(ParallelCharDriver));
2912 drv->mode = IEEE1284_MODE_COMPAT;
2914 chr = qemu_mallocz(sizeof(CharDriverState));
2920 chr->chr_write = null_chr_write;
2921 chr->chr_ioctl = pp_ioctl;
2922 chr->chr_close = pp_close;
2925 qemu_chr_reset(chr);
2929 #endif /* __linux__ */
2935 HANDLE hcom, hrecv, hsend;
2936 OVERLAPPED orecv, osend;
2941 #define NSENDBUF 2048
2942 #define NRECVBUF 2048
2943 #define MAXCONNECT 1
2944 #define NTIMEOUT 5000
2946 static int win_chr_poll(void *opaque);
2947 static int win_chr_pipe_poll(void *opaque);
2949 static void win_chr_close(CharDriverState *chr)
2951 WinCharState *s = chr->opaque;
2954 CloseHandle(s->hsend);
2958 CloseHandle(s->hrecv);
2962 CloseHandle(s->hcom);
2966 qemu_del_polling_cb(win_chr_pipe_poll, chr);
2968 qemu_del_polling_cb(win_chr_poll, chr);
2971 static int win_chr_init(CharDriverState *chr, const char *filename)
2973 WinCharState *s = chr->opaque;
2975 COMMTIMEOUTS cto = { 0, 0, 0, 0, 0};
2980 s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL);
2982 fprintf(stderr, "Failed CreateEvent\n");
2985 s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL);
2987 fprintf(stderr, "Failed CreateEvent\n");
2991 s->hcom = CreateFile(filename, GENERIC_READ|GENERIC_WRITE, 0, NULL,
2992 OPEN_EXISTING, FILE_FLAG_OVERLAPPED, 0);
2993 if (s->hcom == INVALID_HANDLE_VALUE) {
2994 fprintf(stderr, "Failed CreateFile (%lu)\n", GetLastError());
2999 if (!SetupComm(s->hcom, NRECVBUF, NSENDBUF)) {
3000 fprintf(stderr, "Failed SetupComm\n");
3004 ZeroMemory(&comcfg, sizeof(COMMCONFIG));
3005 size = sizeof(COMMCONFIG);
3006 GetDefaultCommConfig(filename, &comcfg, &size);
3007 comcfg.dcb.DCBlength = sizeof(DCB);
3008 CommConfigDialog(filename, NULL, &comcfg);
3010 if (!SetCommState(s->hcom, &comcfg.dcb)) {
3011 fprintf(stderr, "Failed SetCommState\n");
3015 if (!SetCommMask(s->hcom, EV_ERR)) {
3016 fprintf(stderr, "Failed SetCommMask\n");
3020 cto.ReadIntervalTimeout = MAXDWORD;
3021 if (!SetCommTimeouts(s->hcom, &cto)) {
3022 fprintf(stderr, "Failed SetCommTimeouts\n");
3026 if (!ClearCommError(s->hcom, &err, &comstat)) {
3027 fprintf(stderr, "Failed ClearCommError\n");
3030 qemu_add_polling_cb(win_chr_poll, chr);
3038 static int win_chr_write(CharDriverState *chr, const uint8_t *buf, int len1)
3040 WinCharState *s = chr->opaque;
3041 DWORD len, ret, size, err;
3044 ZeroMemory(&s->osend, sizeof(s->osend));
3045 s->osend.hEvent = s->hsend;
3048 ret = WriteFile(s->hcom, buf, len, &size, &s->osend);
3050 ret = WriteFile(s->hcom, buf, len, &size, NULL);
3052 err = GetLastError();
3053 if (err == ERROR_IO_PENDING) {
3054 ret = GetOverlappedResult(s->hcom, &s->osend, &size, TRUE);
3072 static int win_chr_read_poll(CharDriverState *chr)
3074 WinCharState *s = chr->opaque;
3076 s->max_size = qemu_chr_can_read(chr);
3080 static void win_chr_readfile(CharDriverState *chr)
3082 WinCharState *s = chr->opaque;
3087 ZeroMemory(&s->orecv, sizeof(s->orecv));
3088 s->orecv.hEvent = s->hrecv;
3089 ret = ReadFile(s->hcom, buf, s->len, &size, &s->orecv);
3091 err = GetLastError();
3092 if (err == ERROR_IO_PENDING) {
3093 ret = GetOverlappedResult(s->hcom, &s->orecv, &size, TRUE);
3098 qemu_chr_read(chr, buf, size);
3102 static void win_chr_read(CharDriverState *chr)
3104 WinCharState *s = chr->opaque;
3106 if (s->len > s->max_size)
3107 s->len = s->max_size;
3111 win_chr_readfile(chr);
3114 static int win_chr_poll(void *opaque)
3116 CharDriverState *chr = opaque;
3117 WinCharState *s = chr->opaque;
3121 ClearCommError(s->hcom, &comerr, &status);
3122 if (status.cbInQue > 0) {
3123 s->len = status.cbInQue;
3124 win_chr_read_poll(chr);
3131 static CharDriverState *qemu_chr_open_win(const char *filename)
3133 CharDriverState *chr;
3136 chr = qemu_mallocz(sizeof(CharDriverState));
3139 s = qemu_mallocz(sizeof(WinCharState));
3145 chr->chr_write = win_chr_write;
3146 chr->chr_close = win_chr_close;
3148 if (win_chr_init(chr, filename) < 0) {
3153 qemu_chr_reset(chr);
3157 static int win_chr_pipe_poll(void *opaque)
3159 CharDriverState *chr = opaque;
3160 WinCharState *s = chr->opaque;
3163 PeekNamedPipe(s->hcom, NULL, 0, NULL, &size, NULL);
3166 win_chr_read_poll(chr);
3173 static int win_chr_pipe_init(CharDriverState *chr, const char *filename)
3175 WinCharState *s = chr->opaque;
3183 s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL);
3185 fprintf(stderr, "Failed CreateEvent\n");
3188 s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL);
3190 fprintf(stderr, "Failed CreateEvent\n");
3194 snprintf(openname, sizeof(openname), "\\\\.\\pipe\\%s", filename);
3195 s->hcom = CreateNamedPipe(openname, PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED,
3196 PIPE_TYPE_BYTE | PIPE_READMODE_BYTE |
3198 MAXCONNECT, NSENDBUF, NRECVBUF, NTIMEOUT, NULL);
3199 if (s->hcom == INVALID_HANDLE_VALUE) {
3200 fprintf(stderr, "Failed CreateNamedPipe (%lu)\n", GetLastError());
3205 ZeroMemory(&ov, sizeof(ov));
3206 ov.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
3207 ret = ConnectNamedPipe(s->hcom, &ov);
3209 fprintf(stderr, "Failed ConnectNamedPipe\n");
3213 ret = GetOverlappedResult(s->hcom, &ov, &size, TRUE);
3215 fprintf(stderr, "Failed GetOverlappedResult\n");
3217 CloseHandle(ov.hEvent);
3224 CloseHandle(ov.hEvent);
3227 qemu_add_polling_cb(win_chr_pipe_poll, chr);
3236 static CharDriverState *qemu_chr_open_win_pipe(const char *filename)
3238 CharDriverState *chr;
3241 chr = qemu_mallocz(sizeof(CharDriverState));
3244 s = qemu_mallocz(sizeof(WinCharState));
3250 chr->chr_write = win_chr_write;
3251 chr->chr_close = win_chr_close;
3253 if (win_chr_pipe_init(chr, filename) < 0) {
3258 qemu_chr_reset(chr);
3262 static CharDriverState *qemu_chr_open_win_file(HANDLE fd_out)
3264 CharDriverState *chr;
3267 chr = qemu_mallocz(sizeof(CharDriverState));
3270 s = qemu_mallocz(sizeof(WinCharState));
3277 chr->chr_write = win_chr_write;
3278 qemu_chr_reset(chr);
3282 static CharDriverState *qemu_chr_open_win_con(const char *filename)
3284 return qemu_chr_open_win_file(GetStdHandle(STD_OUTPUT_HANDLE));
3287 static CharDriverState *qemu_chr_open_win_file_out(const char *file_out)
3291 fd_out = CreateFile(file_out, GENERIC_WRITE, FILE_SHARE_READ, NULL,
3292 OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
3293 if (fd_out == INVALID_HANDLE_VALUE)
3296 return qemu_chr_open_win_file(fd_out);
3298 #endif /* !_WIN32 */
3300 /***********************************************************/
3301 /* UDP Net console */
3305 struct sockaddr_in daddr;
3312 static int udp_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
3314 NetCharDriver *s = chr->opaque;
3316 return sendto(s->fd, buf, len, 0,
3317 (struct sockaddr *)&s->daddr, sizeof(struct sockaddr_in));
3320 static int udp_chr_read_poll(void *opaque)
3322 CharDriverState *chr = opaque;
3323 NetCharDriver *s = chr->opaque;
3325 s->max_size = qemu_chr_can_read(chr);
3327 /* If there were any stray characters in the queue process them
3330 while (s->max_size > 0 && s->bufptr < s->bufcnt) {
3331 qemu_chr_read(chr, &s->buf[s->bufptr], 1);
3333 s->max_size = qemu_chr_can_read(chr);
3338 static void udp_chr_read(void *opaque)
3340 CharDriverState *chr = opaque;
3341 NetCharDriver *s = chr->opaque;
3343 if (s->max_size == 0)
3345 s->bufcnt = recv(s->fd, s->buf, sizeof(s->buf), 0);
3346 s->bufptr = s->bufcnt;
3351 while (s->max_size > 0 && s->bufptr < s->bufcnt) {
3352 qemu_chr_read(chr, &s->buf[s->bufptr], 1);
3354 s->max_size = qemu_chr_can_read(chr);
3358 static void udp_chr_update_read_handler(CharDriverState *chr)
3360 NetCharDriver *s = chr->opaque;
3363 qemu_set_fd_handler2(s->fd, udp_chr_read_poll,
3364 udp_chr_read, NULL, chr);
3369 static int parse_unix_path(struct sockaddr_un *uaddr, const char *str);
3371 int parse_host_src_port(struct sockaddr_in *haddr,
3372 struct sockaddr_in *saddr,
3375 static CharDriverState *qemu_chr_open_udp(const char *def)
3377 CharDriverState *chr = NULL;
3378 NetCharDriver *s = NULL;
3380 struct sockaddr_in saddr;
3382 chr = qemu_mallocz(sizeof(CharDriverState));
3385 s = qemu_mallocz(sizeof(NetCharDriver));
3389 fd = socket(PF_INET, SOCK_DGRAM, 0);
3391 perror("socket(PF_INET, SOCK_DGRAM)");
3395 if (parse_host_src_port(&s->daddr, &saddr, def) < 0) {
3396 printf("Could not parse: %s\n", def);
3400 if (bind(fd, (struct sockaddr *)&saddr, sizeof(saddr)) < 0)
3410 chr->chr_write = udp_chr_write;
3411 chr->chr_update_read_handler = udp_chr_update_read_handler;
3424 /***********************************************************/
3425 /* TCP Net console */
3436 static void tcp_chr_accept(void *opaque);
3438 static int tcp_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
3440 TCPCharDriver *s = chr->opaque;
3442 return send_all(s->fd, buf, len);
3444 /* XXX: indicate an error ? */
3449 static int tcp_chr_read_poll(void *opaque)
3451 CharDriverState *chr = opaque;
3452 TCPCharDriver *s = chr->opaque;
3455 s->max_size = qemu_chr_can_read(chr);
3460 #define IAC_BREAK 243
3461 static void tcp_chr_process_IAC_bytes(CharDriverState *chr,
3463 uint8_t *buf, int *size)
3465 /* Handle any telnet client's basic IAC options to satisfy char by
3466 * char mode with no echo. All IAC options will be removed from
3467 * the buf and the do_telnetopt variable will be used to track the
3468 * state of the width of the IAC information.
3470 * IAC commands come in sets of 3 bytes with the exception of the
3471 * "IAC BREAK" command and the double IAC.
3477 for (i = 0; i < *size; i++) {
3478 if (s->do_telnetopt > 1) {
3479 if ((unsigned char)buf[i] == IAC && s->do_telnetopt == 2) {
3480 /* Double IAC means send an IAC */
3484 s->do_telnetopt = 1;
3486 if ((unsigned char)buf[i] == IAC_BREAK && s->do_telnetopt == 2) {
3487 /* Handle IAC break commands by sending a serial break */
3488 qemu_chr_event(chr, CHR_EVENT_BREAK);
3493 if (s->do_telnetopt >= 4) {
3494 s->do_telnetopt = 1;
3497 if ((unsigned char)buf[i] == IAC) {
3498 s->do_telnetopt = 2;
3509 static void tcp_chr_read(void *opaque)
3511 CharDriverState *chr = opaque;
3512 TCPCharDriver *s = chr->opaque;
3516 if (!s->connected || s->max_size <= 0)
3519 if (len > s->max_size)
3521 size = recv(s->fd, buf, len, 0);
3523 /* connection closed */
3525 if (s->listen_fd >= 0) {
3526 qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr);
3528 qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
3531 } else if (size > 0) {
3532 if (s->do_telnetopt)
3533 tcp_chr_process_IAC_bytes(chr, s, buf, &size);
3535 qemu_chr_read(chr, buf, size);
3539 static void tcp_chr_connect(void *opaque)
3541 CharDriverState *chr = opaque;
3542 TCPCharDriver *s = chr->opaque;
3545 qemu_set_fd_handler2(s->fd, tcp_chr_read_poll,
3546 tcp_chr_read, NULL, chr);
3547 qemu_chr_reset(chr);
3550 #define IACSET(x,a,b,c) x[0] = a; x[1] = b; x[2] = c;
3551 static void tcp_chr_telnet_init(int fd)
3554 /* Send the telnet negotion to put telnet in binary, no echo, single char mode */
3555 IACSET(buf, 0xff, 0xfb, 0x01); /* IAC WILL ECHO */
3556 send(fd, (char *)buf, 3, 0);
3557 IACSET(buf, 0xff, 0xfb, 0x03); /* IAC WILL Suppress go ahead */
3558 send(fd, (char *)buf, 3, 0);
3559 IACSET(buf, 0xff, 0xfb, 0x00); /* IAC WILL Binary */
3560 send(fd, (char *)buf, 3, 0);
3561 IACSET(buf, 0xff, 0xfd, 0x00); /* IAC DO Binary */
3562 send(fd, (char *)buf, 3, 0);
3565 static void socket_set_nodelay(int fd)
3568 setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (char *)&val, sizeof(val));
3571 static void tcp_chr_accept(void *opaque)
3573 CharDriverState *chr = opaque;
3574 TCPCharDriver *s = chr->opaque;
3575 struct sockaddr_in saddr;
3577 struct sockaddr_un uaddr;
3579 struct sockaddr *addr;
3586 len = sizeof(uaddr);
3587 addr = (struct sockaddr *)&uaddr;
3591 len = sizeof(saddr);
3592 addr = (struct sockaddr *)&saddr;
3594 fd = accept(s->listen_fd, addr, &len);
3595 if (fd < 0 && errno != EINTR) {
3597 } else if (fd >= 0) {
3598 if (s->do_telnetopt)
3599 tcp_chr_telnet_init(fd);
3603 socket_set_nonblock(fd);
3605 socket_set_nodelay(fd);
3607 qemu_set_fd_handler(s->listen_fd, NULL, NULL, NULL);
3608 tcp_chr_connect(chr);
3611 static void tcp_chr_close(CharDriverState *chr)
3613 TCPCharDriver *s = chr->opaque;
3616 if (s->listen_fd >= 0)
3617 closesocket(s->listen_fd);
3621 static CharDriverState *qemu_chr_open_tcp(const char *host_str,
3625 CharDriverState *chr = NULL;
3626 TCPCharDriver *s = NULL;
3627 int fd = -1, ret, err, val;
3629 int is_waitconnect = 1;
3632 struct sockaddr_in saddr;
3634 struct sockaddr_un uaddr;
3636 struct sockaddr *addr;
3641 addr = (struct sockaddr *)&uaddr;
3642 addrlen = sizeof(uaddr);
3643 if (parse_unix_path(&uaddr, host_str) < 0)
3648 addr = (struct sockaddr *)&saddr;
3649 addrlen = sizeof(saddr);
3650 if (parse_host_port(&saddr, host_str) < 0)
3655 while((ptr = strchr(ptr,','))) {
3657 if (!strncmp(ptr,"server",6)) {
3659 } else if (!strncmp(ptr,"nowait",6)) {
3661 } else if (!strncmp(ptr,"nodelay",6)) {
3664 printf("Unknown option: %s\n", ptr);
3671 chr = qemu_mallocz(sizeof(CharDriverState));
3674 s = qemu_mallocz(sizeof(TCPCharDriver));
3680 fd = socket(PF_UNIX, SOCK_STREAM, 0);
3683 fd = socket(PF_INET, SOCK_STREAM, 0);
3688 if (!is_waitconnect)
3689 socket_set_nonblock(fd);
3694 s->is_unix = is_unix;
3695 s->do_nodelay = do_nodelay && !is_unix;
3698 chr->chr_write = tcp_chr_write;
3699 chr->chr_close = tcp_chr_close;
3702 /* allow fast reuse */
3706 pstrcpy(path, sizeof(path), uaddr.sun_path);
3712 setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&val, sizeof(val));
3715 ret = bind(fd, addr, addrlen);
3719 ret = listen(fd, 0);
3724 qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr);
3726 s->do_telnetopt = 1;
3729 ret = connect(fd, addr, addrlen);
3731 err = socket_error();
3732 if (err == EINTR || err == EWOULDBLOCK) {
3733 } else if (err == EINPROGRESS) {
3736 } else if (err == WSAEALREADY) {
3748 socket_set_nodelay(fd);
3750 tcp_chr_connect(chr);
3752 qemu_set_fd_handler(s->fd, NULL, tcp_chr_connect, chr);
3755 if (is_listen && is_waitconnect) {
3756 printf("QEMU waiting for connection on: %s\n", host_str);
3757 tcp_chr_accept(chr);
3758 socket_set_nonblock(s->listen_fd);
3770 CharDriverState *qemu_chr_open(const char *filename)
3774 if (!strcmp(filename, "vc")) {
3775 return text_console_init(&display_state, 0);
3776 } else if (strstart(filename, "vc:", &p)) {
3777 return text_console_init(&display_state, p);
3778 } else if (!strcmp(filename, "null")) {
3779 return qemu_chr_open_null();
3781 if (strstart(filename, "tcp:", &p)) {
3782 return qemu_chr_open_tcp(p, 0, 0);
3784 if (strstart(filename, "telnet:", &p)) {
3785 return qemu_chr_open_tcp(p, 1, 0);
3787 if (strstart(filename, "udp:", &p)) {
3788 return qemu_chr_open_udp(p);
3790 if (strstart(filename, "mon:", &p)) {
3791 CharDriverState *drv = qemu_chr_open(p);
3793 drv = qemu_chr_open_mux(drv);
3794 monitor_init(drv, !nographic);
3797 printf("Unable to open driver: %s\n", p);
3801 if (strstart(filename, "unix:", &p)) {
3802 return qemu_chr_open_tcp(p, 0, 1);
3803 } else if (strstart(filename, "file:", &p)) {
3804 return qemu_chr_open_file_out(p);
3805 } else if (strstart(filename, "pipe:", &p)) {
3806 return qemu_chr_open_pipe(p);
3807 } else if (!strcmp(filename, "pty")) {
3808 return qemu_chr_open_pty();
3809 } else if (!strcmp(filename, "stdio")) {
3810 return qemu_chr_open_stdio();
3812 #if defined(__linux__)
3813 if (strstart(filename, "/dev/parport", NULL)) {
3814 return qemu_chr_open_pp(filename);
3817 #if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \
3818 || defined(__NetBSD__) || defined(__OpenBSD__)
3819 if (strstart(filename, "/dev/", NULL)) {
3820 return qemu_chr_open_tty(filename);
3824 if (strstart(filename, "COM", NULL)) {
3825 return qemu_chr_open_win(filename);
3827 if (strstart(filename, "pipe:", &p)) {
3828 return qemu_chr_open_win_pipe(p);
3830 if (strstart(filename, "con:", NULL)) {
3831 return qemu_chr_open_win_con(filename);
3833 if (strstart(filename, "file:", &p)) {
3834 return qemu_chr_open_win_file_out(p);
3837 #ifdef CONFIG_BRLAPI
3838 if (!strcmp(filename, "braille")) {
3839 return chr_baum_init();
3847 void qemu_chr_close(CharDriverState *chr)
3850 chr->chr_close(chr);
3854 /***********************************************************/
3855 /* network device redirectors */
3857 #if defined(DEBUG_NET) || defined(DEBUG_SLIRP)
3858 static void hex_dump(FILE *f, const uint8_t *buf, int size)
3862 for(i=0;i<size;i+=16) {
3866 fprintf(f, "%08x ", i);
3869 fprintf(f, " %02x", buf[i+j]);
3874 for(j=0;j<len;j++) {
3876 if (c < ' ' || c > '~')
3878 fprintf(f, "%c", c);
3885 static int parse_macaddr(uint8_t *macaddr, const char *p)
3892 offset = strtol(p, &last_char, 0);
3893 if (0 == errno && '\0' == *last_char &&
3894 offset >= 0 && offset <= 0xFFFFFF) {
3895 macaddr[3] = (offset & 0xFF0000) >> 16;
3896 macaddr[4] = (offset & 0xFF00) >> 8;
3897 macaddr[5] = offset & 0xFF;
3900 for(i = 0; i < 6; i++) {
3901 macaddr[i] = strtol(p, (char **)&p, 16);
3906 if (*p != ':' && *p != '-')
3917 static int get_str_sep(char *buf, int buf_size, const char **pp, int sep)
3922 p1 = strchr(p, sep);
3928 if (len > buf_size - 1)
3930 memcpy(buf, p, len);
3937 int parse_host_src_port(struct sockaddr_in *haddr,
3938 struct sockaddr_in *saddr,
3939 const char *input_str)
3941 char *str = strdup(input_str);
3942 char *host_str = str;
3944 const char *src_str2;
3948 * Chop off any extra arguments at the end of the string which
3949 * would start with a comma, then fill in the src port information
3950 * if it was provided else use the "any address" and "any port".
3952 if ((ptr = strchr(str,',')))
3955 if ((src_str = strchr(input_str,'@'))) {
3960 if (parse_host_port(haddr, host_str) < 0)
3964 if (!src_str || *src_str == '\0')
3967 if (parse_host_port(saddr, src_str2) < 0)
3978 int parse_host_port(struct sockaddr_in *saddr, const char *str)
3986 if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
3988 saddr->sin_family = AF_INET;
3989 if (buf[0] == '\0') {
3990 saddr->sin_addr.s_addr = 0;
3992 if (isdigit(buf[0])) {
3993 if (!inet_aton(buf, &saddr->sin_addr))
3996 if ((he = gethostbyname(buf)) == NULL)
3998 saddr->sin_addr = *(struct in_addr *)he->h_addr;
4001 port = strtol(p, (char **)&r, 0);
4004 saddr->sin_port = htons(port);
4009 static int parse_unix_path(struct sockaddr_un *uaddr, const char *str)
4014 len = MIN(108, strlen(str));
4015 p = strchr(str, ',');
4017 len = MIN(len, p - str);
4019 memset(uaddr, 0, sizeof(*uaddr));
4021 uaddr->sun_family = AF_UNIX;
4022 memcpy(uaddr->sun_path, str, len);
4028 /* find or alloc a new VLAN */
4029 VLANState *qemu_find_vlan(int id)
4031 VLANState **pvlan, *vlan;
4032 for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) {
4036 vlan = qemu_mallocz(sizeof(VLANState));
4041 pvlan = &first_vlan;
4042 while (*pvlan != NULL)
4043 pvlan = &(*pvlan)->next;
4048 VLANClientState *qemu_new_vlan_client(VLANState *vlan,
4049 IOReadHandler *fd_read,
4050 IOCanRWHandler *fd_can_read,
4053 VLANClientState *vc, **pvc;
4054 vc = qemu_mallocz(sizeof(VLANClientState));
4057 vc->fd_read = fd_read;
4058 vc->fd_can_read = fd_can_read;
4059 vc->opaque = opaque;
4063 pvc = &vlan->first_client;
4064 while (*pvc != NULL)
4065 pvc = &(*pvc)->next;
4070 void qemu_del_vlan_client(VLANClientState *vc)
4072 VLANClientState **pvc = &vc->vlan->first_client;
4074 while (*pvc != NULL)
4080 pvc = &(*pvc)->next;
4083 int qemu_can_send_packet(VLANClientState *vc1)
4085 VLANState *vlan = vc1->vlan;
4086 VLANClientState *vc;
4088 for(vc = vlan->first_client; vc != NULL; vc = vc->next) {
4090 if (vc->fd_can_read && vc->fd_can_read(vc->opaque))
4097 void qemu_send_packet(VLANClientState *vc1, const uint8_t *buf, int size)
4099 VLANState *vlan = vc1->vlan;
4100 VLANClientState *vc;
4103 printf("vlan %d send:\n", vlan->id);
4104 hex_dump(stdout, buf, size);
4106 for(vc = vlan->first_client; vc != NULL; vc = vc->next) {
4108 vc->fd_read(vc->opaque, buf, size);
4113 #if defined(CONFIG_SLIRP)
4115 /* slirp network adapter */
4117 static int slirp_inited;
4118 static VLANClientState *slirp_vc;
4120 int slirp_can_output(void)
4122 return !slirp_vc || qemu_can_send_packet(slirp_vc);
4125 void slirp_output(const uint8_t *pkt, int pkt_len)
4128 printf("slirp output:\n");
4129 hex_dump(stdout, pkt, pkt_len);
4133 qemu_send_packet(slirp_vc, pkt, pkt_len);
4136 static void slirp_receive(void *opaque, const uint8_t *buf, int size)
4139 printf("slirp input:\n");
4140 hex_dump(stdout, buf, size);
4142 slirp_input(buf, size);
4145 static int net_slirp_init(VLANState *vlan)
4147 if (!slirp_inited) {
4151 slirp_vc = qemu_new_vlan_client(vlan,
4152 slirp_receive, NULL, NULL);
4153 snprintf(slirp_vc->info_str, sizeof(slirp_vc->info_str), "user redirector");
4157 static void net_slirp_redir(const char *redir_str)
4162 struct in_addr guest_addr;
4163 int host_port, guest_port;
4165 if (!slirp_inited) {
4171 if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
4173 if (!strcmp(buf, "tcp")) {
4175 } else if (!strcmp(buf, "udp")) {
4181 if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
4183 host_port = strtol(buf, &r, 0);
4187 if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
4189 if (buf[0] == '\0') {
4190 pstrcpy(buf, sizeof(buf), "10.0.2.15");
4192 if (!inet_aton(buf, &guest_addr))
4195 guest_port = strtol(p, &r, 0);
4199 if (slirp_redir(is_udp, host_port, guest_addr, guest_port) < 0) {
4200 fprintf(stderr, "qemu: could not set up redirection\n");
4205 fprintf(stderr, "qemu: syntax: -redir [tcp|udp]:host-port:[guest-host]:guest-port\n");
4211 static char smb_dir[1024];
4213 static void erase_dir(char *dir_name)
4217 char filename[1024];
4219 /* erase all the files in the directory */
4220 if ((d = opendir(dir_name)) != 0) {
4225 if (strcmp(de->d_name, ".") != 0 &&
4226 strcmp(de->d_name, "..") != 0) {
4227 snprintf(filename, sizeof(filename), "%s/%s",
4228 smb_dir, de->d_name);
4229 if (unlink(filename) != 0) /* is it a directory? */
4230 erase_dir(filename);
4238 /* automatic user mode samba server configuration */
4239 static void smb_exit(void)
4244 /* automatic user mode samba server configuration */
4245 static void net_slirp_smb(const char *exported_dir)
4247 char smb_conf[1024];
4248 char smb_cmdline[1024];
4251 if (!slirp_inited) {
4256 /* XXX: better tmp dir construction */
4257 snprintf(smb_dir, sizeof(smb_dir), "/tmp/qemu-smb.%d", getpid());
4258 if (mkdir(smb_dir, 0700) < 0) {
4259 fprintf(stderr, "qemu: could not create samba server dir '%s'\n", smb_dir);
4262 snprintf(smb_conf, sizeof(smb_conf), "%s/%s", smb_dir, "smb.conf");
4264 f = fopen(smb_conf, "w");
4266 fprintf(stderr, "qemu: could not create samba server configuration file '%s'\n", smb_conf);
4273 "socket address=127.0.0.1\n"
4274 "pid directory=%s\n"
4275 "lock directory=%s\n"
4276 "log file=%s/log.smbd\n"
4277 "smb passwd file=%s/smbpasswd\n"
4278 "security = share\n"
4293 snprintf(smb_cmdline, sizeof(smb_cmdline), "%s -s %s",
4294 SMBD_COMMAND, smb_conf);
4296 slirp_add_exec(0, smb_cmdline, 4, 139);
4299 #endif /* !defined(_WIN32) */
4300 void do_info_slirp(void)
4305 #endif /* CONFIG_SLIRP */
4307 #if !defined(_WIN32)
4309 typedef struct TAPState {
4310 VLANClientState *vc;
4312 char down_script[1024];
4315 static void tap_receive(void *opaque, const uint8_t *buf, int size)
4317 TAPState *s = opaque;
4320 ret = write(s->fd, buf, size);
4321 if (ret < 0 && (errno == EINTR || errno == EAGAIN)) {
4328 static void tap_send(void *opaque)
4330 TAPState *s = opaque;
4337 sbuf.maxlen = sizeof(buf);
4339 size = getmsg(s->fd, NULL, &sbuf, &f) >=0 ? sbuf.len : -1;
4341 size = read(s->fd, buf, sizeof(buf));
4344 qemu_send_packet(s->vc, buf, size);
4350 static TAPState *net_tap_fd_init(VLANState *vlan, int fd)
4354 s = qemu_mallocz(sizeof(TAPState));
4358 s->vc = qemu_new_vlan_client(vlan, tap_receive, NULL, s);
4359 qemu_set_fd_handler(s->fd, tap_send, NULL, s);
4360 snprintf(s->vc->info_str, sizeof(s->vc->info_str), "tap: fd=%d", fd);
4364 #if defined (_BSD) || defined (__FreeBSD_kernel__)
4365 static int tap_open(char *ifname, int ifname_size)
4371 TFR(fd = open("/dev/tap", O_RDWR));
4373 fprintf(stderr, "warning: could not open /dev/tap: no virtual network emulation\n");
4378 dev = devname(s.st_rdev, S_IFCHR);
4379 pstrcpy(ifname, ifname_size, dev);
4381 fcntl(fd, F_SETFL, O_NONBLOCK);
4384 #elif defined(__sun__)
4385 #define TUNNEWPPA (('T'<<16) | 0x0001)
4387 * Allocate TAP device, returns opened fd.
4388 * Stores dev name in the first arg(must be large enough).
4390 int tap_alloc(char *dev, size_t dev_size)
4392 int tap_fd, if_fd, ppa = -1;
4393 static int ip_fd = 0;
4396 static int arp_fd = 0;
4397 int ip_muxid, arp_muxid;
4398 struct strioctl strioc_if, strioc_ppa;
4399 int link_type = I_PLINK;;
4401 char actual_name[32] = "";
4403 memset(&ifr, 0x0, sizeof(ifr));
4407 while( *ptr && !isdigit((int)*ptr) ) ptr++;
4411 /* Check if IP device was opened */
4415 TFR(ip_fd = open("/dev/udp", O_RDWR, 0));
4417 syslog(LOG_ERR, "Can't open /dev/ip (actually /dev/udp)");
4421 TFR(tap_fd = open("/dev/tap", O_RDWR, 0));
4423 syslog(LOG_ERR, "Can't open /dev/tap");
4427 /* Assign a new PPA and get its unit number. */
4428 strioc_ppa.ic_cmd = TUNNEWPPA;
4429 strioc_ppa.ic_timout = 0;
4430 strioc_ppa.ic_len = sizeof(ppa);
4431 strioc_ppa.ic_dp = (char *)&ppa;
4432 if ((ppa = ioctl (tap_fd, I_STR, &strioc_ppa)) < 0)
4433 syslog (LOG_ERR, "Can't assign new interface");
4435 TFR(if_fd = open("/dev/tap", O_RDWR, 0));
4437 syslog(LOG_ERR, "Can't open /dev/tap (2)");
4440 if(ioctl(if_fd, I_PUSH, "ip") < 0){
4441 syslog(LOG_ERR, "Can't push IP module");
4445 if (ioctl(if_fd, SIOCGLIFFLAGS, &ifr) < 0)
4446 syslog(LOG_ERR, "Can't get flags\n");
4448 snprintf (actual_name, 32, "tap%d", ppa);
4449 strncpy (ifr.lifr_name, actual_name, sizeof (ifr.lifr_name));
4452 /* Assign ppa according to the unit number returned by tun device */
4454 if (ioctl (if_fd, SIOCSLIFNAME, &ifr) < 0)
4455 syslog (LOG_ERR, "Can't set PPA %d", ppa);
4456 if (ioctl(if_fd, SIOCGLIFFLAGS, &ifr) <0)
4457 syslog (LOG_ERR, "Can't get flags\n");
4458 /* Push arp module to if_fd */
4459 if (ioctl (if_fd, I_PUSH, "arp") < 0)
4460 syslog (LOG_ERR, "Can't push ARP module (2)");
4462 /* Push arp module to ip_fd */
4463 if (ioctl (ip_fd, I_POP, NULL) < 0)
4464 syslog (LOG_ERR, "I_POP failed\n");
4465 if (ioctl (ip_fd, I_PUSH, "arp") < 0)
4466 syslog (LOG_ERR, "Can't push ARP module (3)\n");
4468 TFR(arp_fd = open ("/dev/tap", O_RDWR, 0));
4470 syslog (LOG_ERR, "Can't open %s\n", "/dev/tap");
4472 /* Set ifname to arp */
4473 strioc_if.ic_cmd = SIOCSLIFNAME;
4474 strioc_if.ic_timout = 0;
4475 strioc_if.ic_len = sizeof(ifr);
4476 strioc_if.ic_dp = (char *)𝔦
4477 if (ioctl(arp_fd, I_STR, &strioc_if) < 0){
4478 syslog (LOG_ERR, "Can't set ifname to arp\n");
4481 if((ip_muxid = ioctl(ip_fd, I_LINK, if_fd)) < 0){
4482 syslog(LOG_ERR, "Can't link TAP device to IP");
4486 if ((arp_muxid = ioctl (ip_fd, link_type, arp_fd)) < 0)
4487 syslog (LOG_ERR, "Can't link TAP device to ARP");
4491 memset(&ifr, 0x0, sizeof(ifr));
4492 strncpy (ifr.lifr_name, actual_name, sizeof (ifr.lifr_name));
4493 ifr.lifr_ip_muxid = ip_muxid;
4494 ifr.lifr_arp_muxid = arp_muxid;
4496 if (ioctl (ip_fd, SIOCSLIFMUXID, &ifr) < 0)
4498 ioctl (ip_fd, I_PUNLINK , arp_muxid);
4499 ioctl (ip_fd, I_PUNLINK, ip_muxid);
4500 syslog (LOG_ERR, "Can't set multiplexor id");
4503 snprintf(dev, dev_size, "tap%d", ppa);
4507 static int tap_open(char *ifname, int ifname_size)
4511 if( (fd = tap_alloc(dev, sizeof(dev))) < 0 ){
4512 fprintf(stderr, "Cannot allocate TAP device\n");
4515 pstrcpy(ifname, ifname_size, dev);
4516 fcntl(fd, F_SETFL, O_NONBLOCK);
4520 static int tap_open(char *ifname, int ifname_size)
4525 TFR(fd = open("/dev/net/tun", O_RDWR));
4527 fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n");
4530 memset(&ifr, 0, sizeof(ifr));
4531 ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
4532 if (ifname[0] != '\0')
4533 pstrcpy(ifr.ifr_name, IFNAMSIZ, ifname);
4535 pstrcpy(ifr.ifr_name, IFNAMSIZ, "tap%d");
4536 ret = ioctl(fd, TUNSETIFF, (void *) &ifr);
4538 fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n");
4542 pstrcpy(ifname, ifname_size, ifr.ifr_name);
4543 fcntl(fd, F_SETFL, O_NONBLOCK);
4548 static int launch_script(const char *setup_script, const char *ifname, int fd)
4554 /* try to launch network script */
4558 int open_max = sysconf (_SC_OPEN_MAX), i;
4559 for (i = 0; i < open_max; i++)
4560 if (i != STDIN_FILENO &&
4561 i != STDOUT_FILENO &&
4562 i != STDERR_FILENO &&
4567 *parg++ = (char *)setup_script;
4568 *parg++ = (char *)ifname;
4570 execv(setup_script, args);
4573 while (waitpid(pid, &status, 0) != pid);
4574 if (!WIFEXITED(status) ||
4575 WEXITSTATUS(status) != 0) {
4576 fprintf(stderr, "%s: could not launch network script\n",
4584 static int net_tap_init(VLANState *vlan, const char *ifname1,
4585 const char *setup_script, const char *down_script)
4591 if (ifname1 != NULL)
4592 pstrcpy(ifname, sizeof(ifname), ifname1);
4595 TFR(fd = tap_open(ifname, sizeof(ifname)));
4599 if (!setup_script || !strcmp(setup_script, "no"))
4601 if (setup_script[0] != '\0') {
4602 if (launch_script(setup_script, ifname, fd))
4605 s = net_tap_fd_init(vlan, fd);
4608 snprintf(s->vc->info_str, sizeof(s->vc->info_str),
4609 "tap: ifname=%s setup_script=%s", ifname, setup_script);
4610 if (down_script && strcmp(down_script, "no"))
4611 snprintf(s->down_script, sizeof(s->down_script), "%s", down_script);
4615 #endif /* !_WIN32 */
4617 #if defined(CONFIG_VDE)
4618 typedef struct VDEState {
4619 VLANClientState *vc;
4623 static void vde_to_qemu(void *opaque)
4625 VDEState *s = opaque;
4629 size = vde_recv(s->vde, buf, sizeof(buf), 0);
4631 qemu_send_packet(s->vc, buf, size);
4635 static void vde_from_qemu(void *opaque, const uint8_t *buf, int size)
4637 VDEState *s = opaque;
4640 ret = vde_send(s->vde, buf, size, 0);
4641 if (ret < 0 && errno == EINTR) {
4648 static int net_vde_init(VLANState *vlan, const char *sock, int port,
4649 const char *group, int mode)
4652 char *init_group = strlen(group) ? (char *)group : NULL;
4653 char *init_sock = strlen(sock) ? (char *)sock : NULL;
4655 struct vde_open_args args = {
4657 .group = init_group,
4661 s = qemu_mallocz(sizeof(VDEState));
4664 s->vde = vde_open(init_sock, "QEMU", &args);
4669 s->vc = qemu_new_vlan_client(vlan, vde_from_qemu, NULL, s);
4670 qemu_set_fd_handler(vde_datafd(s->vde), vde_to_qemu, NULL, s);
4671 snprintf(s->vc->info_str, sizeof(s->vc->info_str), "vde: sock=%s fd=%d",
4672 sock, vde_datafd(s->vde));
4677 /* network connection */
4678 typedef struct NetSocketState {
4679 VLANClientState *vc;
4681 int state; /* 0 = getting length, 1 = getting data */
4685 struct sockaddr_in dgram_dst; /* contains inet host and port destination iff connectionless (SOCK_DGRAM) */
4688 typedef struct NetSocketListenState {
4691 } NetSocketListenState;
4693 /* XXX: we consider we can send the whole packet without blocking */
4694 static void net_socket_receive(void *opaque, const uint8_t *buf, int size)
4696 NetSocketState *s = opaque;
4700 send_all(s->fd, (const uint8_t *)&len, sizeof(len));
4701 send_all(s->fd, buf, size);
4704 static void net_socket_receive_dgram(void *opaque, const uint8_t *buf, int size)
4706 NetSocketState *s = opaque;
4707 sendto(s->fd, buf, size, 0,
4708 (struct sockaddr *)&s->dgram_dst, sizeof(s->dgram_dst));
4711 static void net_socket_send(void *opaque)
4713 NetSocketState *s = opaque;
4718 size = recv(s->fd, buf1, sizeof(buf1), 0);
4720 err = socket_error();
4721 if (err != EWOULDBLOCK)
4723 } else if (size == 0) {
4724 /* end of connection */
4726 qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
4732 /* reassemble a packet from the network */
4738 memcpy(s->buf + s->index, buf, l);
4742 if (s->index == 4) {
4744 s->packet_len = ntohl(*(uint32_t *)s->buf);
4750 l = s->packet_len - s->index;
4753 memcpy(s->buf + s->index, buf, l);
4757 if (s->index >= s->packet_len) {
4758 qemu_send_packet(s->vc, s->buf, s->packet_len);
4767 static void net_socket_send_dgram(void *opaque)
4769 NetSocketState *s = opaque;
4772 size = recv(s->fd, s->buf, sizeof(s->buf), 0);
4776 /* end of connection */
4777 qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
4780 qemu_send_packet(s->vc, s->buf, size);
4783 static int net_socket_mcast_create(struct sockaddr_in *mcastaddr)
4788 if (!IN_MULTICAST(ntohl(mcastaddr->sin_addr.s_addr))) {
4789 fprintf(stderr, "qemu: error: specified mcastaddr \"%s\" (0x%08x) does not contain a multicast address\n",
4790 inet_ntoa(mcastaddr->sin_addr),
4791 (int)ntohl(mcastaddr->sin_addr.s_addr));
4795 fd = socket(PF_INET, SOCK_DGRAM, 0);
4797 perror("socket(PF_INET, SOCK_DGRAM)");
4802 ret=setsockopt(fd, SOL_SOCKET, SO_REUSEADDR,
4803 (const char *)&val, sizeof(val));
4805 perror("setsockopt(SOL_SOCKET, SO_REUSEADDR)");
4809 ret = bind(fd, (struct sockaddr *)mcastaddr, sizeof(*mcastaddr));
4815 /* Add host to multicast group */
4816 imr.imr_multiaddr = mcastaddr->sin_addr;
4817 imr.imr_interface.s_addr = htonl(INADDR_ANY);
4819 ret = setsockopt(fd, IPPROTO_IP, IP_ADD_MEMBERSHIP,
4820 (const char *)&imr, sizeof(struct ip_mreq));
4822 perror("setsockopt(IP_ADD_MEMBERSHIP)");
4826 /* Force mcast msgs to loopback (eg. several QEMUs in same host */
4828 ret=setsockopt(fd, IPPROTO_IP, IP_MULTICAST_LOOP,
4829 (const char *)&val, sizeof(val));
4831 perror("setsockopt(SOL_IP, IP_MULTICAST_LOOP)");
4835 socket_set_nonblock(fd);
4843 static NetSocketState *net_socket_fd_init_dgram(VLANState *vlan, int fd,
4846 struct sockaddr_in saddr;
4848 socklen_t saddr_len;
4851 /* fd passed: multicast: "learn" dgram_dst address from bound address and save it
4852 * Because this may be "shared" socket from a "master" process, datagrams would be recv()
4853 * by ONLY ONE process: we must "clone" this dgram socket --jjo
4857 if (getsockname(fd, (struct sockaddr *) &saddr, &saddr_len) == 0) {
4859 if (saddr.sin_addr.s_addr==0) {
4860 fprintf(stderr, "qemu: error: init_dgram: fd=%d unbound, cannot setup multicast dst addr\n",
4864 /* clone dgram socket */
4865 newfd = net_socket_mcast_create(&saddr);
4867 /* error already reported by net_socket_mcast_create() */
4871 /* clone newfd to fd, close newfd */
4876 fprintf(stderr, "qemu: error: init_dgram: fd=%d failed getsockname(): %s\n",
4877 fd, strerror(errno));
4882 s = qemu_mallocz(sizeof(NetSocketState));
4887 s->vc = qemu_new_vlan_client(vlan, net_socket_receive_dgram, NULL, s);
4888 qemu_set_fd_handler(s->fd, net_socket_send_dgram, NULL, s);
4890 /* mcast: save bound address as dst */
4891 if (is_connected) s->dgram_dst=saddr;
4893 snprintf(s->vc->info_str, sizeof(s->vc->info_str),
4894 "socket: fd=%d (%s mcast=%s:%d)",
4895 fd, is_connected? "cloned" : "",
4896 inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
4900 static void net_socket_connect(void *opaque)
4902 NetSocketState *s = opaque;
4903 qemu_set_fd_handler(s->fd, net_socket_send, NULL, s);
4906 static NetSocketState *net_socket_fd_init_stream(VLANState *vlan, int fd,
4910 s = qemu_mallocz(sizeof(NetSocketState));
4914 s->vc = qemu_new_vlan_client(vlan,
4915 net_socket_receive, NULL, s);
4916 snprintf(s->vc->info_str, sizeof(s->vc->info_str),
4917 "socket: fd=%d", fd);
4919 net_socket_connect(s);
4921 qemu_set_fd_handler(s->fd, NULL, net_socket_connect, s);
4926 static NetSocketState *net_socket_fd_init(VLANState *vlan, int fd,
4929 int so_type=-1, optlen=sizeof(so_type);
4931 if(getsockopt(fd, SOL_SOCKET, SO_TYPE, (char *)&so_type,
4932 (socklen_t *)&optlen)< 0) {
4933 fprintf(stderr, "qemu: error: getsockopt(SO_TYPE) for fd=%d failed\n", fd);
4938 return net_socket_fd_init_dgram(vlan, fd, is_connected);
4940 return net_socket_fd_init_stream(vlan, fd, is_connected);
4942 /* who knows ... this could be a eg. a pty, do warn and continue as stream */
4943 fprintf(stderr, "qemu: warning: socket type=%d for fd=%d is not SOCK_DGRAM or SOCK_STREAM\n", so_type, fd);
4944 return net_socket_fd_init_stream(vlan, fd, is_connected);
4949 static void net_socket_accept(void *opaque)
4951 NetSocketListenState *s = opaque;
4953 struct sockaddr_in saddr;
4958 len = sizeof(saddr);
4959 fd = accept(s->fd, (struct sockaddr *)&saddr, &len);
4960 if (fd < 0 && errno != EINTR) {
4962 } else if (fd >= 0) {
4966 s1 = net_socket_fd_init(s->vlan, fd, 1);
4970 snprintf(s1->vc->info_str, sizeof(s1->vc->info_str),
4971 "socket: connection from %s:%d",
4972 inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
4976 static int net_socket_listen_init(VLANState *vlan, const char *host_str)
4978 NetSocketListenState *s;
4980 struct sockaddr_in saddr;
4982 if (parse_host_port(&saddr, host_str) < 0)
4985 s = qemu_mallocz(sizeof(NetSocketListenState));
4989 fd = socket(PF_INET, SOCK_STREAM, 0);
4994 socket_set_nonblock(fd);
4996 /* allow fast reuse */
4998 setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&val, sizeof(val));
5000 ret = bind(fd, (struct sockaddr *)&saddr, sizeof(saddr));
5005 ret = listen(fd, 0);
5012 qemu_set_fd_handler(fd, net_socket_accept, NULL, s);
5016 static int net_socket_connect_init(VLANState *vlan, const char *host_str)
5019 int fd, connected, ret, err;
5020 struct sockaddr_in saddr;
5022 if (parse_host_port(&saddr, host_str) < 0)
5025 fd = socket(PF_INET, SOCK_STREAM, 0);
5030 socket_set_nonblock(fd);
5034 ret = connect(fd, (struct sockaddr *)&saddr, sizeof(saddr));
5036 err = socket_error();
5037 if (err == EINTR || err == EWOULDBLOCK) {
5038 } else if (err == EINPROGRESS) {
5041 } else if (err == WSAEALREADY) {
5054 s = net_socket_fd_init(vlan, fd, connected);
5057 snprintf(s->vc->info_str, sizeof(s->vc->info_str),
5058 "socket: connect to %s:%d",
5059 inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
5063 static int net_socket_mcast_init(VLANState *vlan, const char *host_str)
5067 struct sockaddr_in saddr;
5069 if (parse_host_port(&saddr, host_str) < 0)
5073 fd = net_socket_mcast_create(&saddr);
5077 s = net_socket_fd_init(vlan, fd, 0);
5081 s->dgram_dst = saddr;
5083 snprintf(s->vc->info_str, sizeof(s->vc->info_str),
5084 "socket: mcast=%s:%d",
5085 inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
5090 static const char *get_opt_name(char *buf, int buf_size, const char *p)
5095 while (*p != '\0' && *p != '=') {
5096 if (q && (q - buf) < buf_size - 1)
5106 static const char *get_opt_value(char *buf, int buf_size, const char *p)
5111 while (*p != '\0') {
5113 if (*(p + 1) != ',')
5117 if (q && (q - buf) < buf_size - 1)
5127 static int get_param_value(char *buf, int buf_size,
5128 const char *tag, const char *str)
5135 p = get_opt_name(option, sizeof(option), p);
5139 if (!strcmp(tag, option)) {
5140 (void)get_opt_value(buf, buf_size, p);
5143 p = get_opt_value(NULL, 0, p);
5152 static int check_params(char *buf, int buf_size,
5153 const char * const *params, const char *str)
5160 p = get_opt_name(buf, buf_size, p);
5164 for(i = 0; params[i] != NULL; i++)
5165 if (!strcmp(params[i], buf))
5167 if (params[i] == NULL)
5169 p = get_opt_value(NULL, 0, p);
5177 static int net_client_init(const char *device, const char *p)
5184 if (get_param_value(buf, sizeof(buf), "vlan", p)) {
5185 vlan_id = strtol(buf, NULL, 0);
5187 vlan = qemu_find_vlan(vlan_id);
5189 fprintf(stderr, "Could not create vlan %d\n", vlan_id);
5192 if (!strcmp(device, "nic")) {
5196 if (nb_nics >= MAX_NICS) {
5197 fprintf(stderr, "Too Many NICs\n");
5200 nd = &nd_table[nb_nics];
5201 macaddr = nd->macaddr;
5207 macaddr[5] = 0x56 + nb_nics;
5209 if (get_param_value(buf, sizeof(buf), "macaddr", p)) {
5210 if (parse_macaddr(macaddr, buf) < 0) {
5211 fprintf(stderr, "invalid syntax for ethernet address\n");
5215 if (get_param_value(buf, sizeof(buf), "model", p)) {
5216 nd->model = strdup(buf);
5220 vlan->nb_guest_devs++;
5223 if (!strcmp(device, "none")) {
5224 /* does nothing. It is needed to signal that no network cards
5229 if (!strcmp(device, "user")) {
5230 if (get_param_value(buf, sizeof(buf), "hostname", p)) {
5231 pstrcpy(slirp_hostname, sizeof(slirp_hostname), buf);
5233 vlan->nb_host_devs++;
5234 ret = net_slirp_init(vlan);
5238 if (!strcmp(device, "tap")) {
5240 if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) {
5241 fprintf(stderr, "tap: no interface name\n");
5244 vlan->nb_host_devs++;
5245 ret = tap_win32_init(vlan, ifname);
5248 if (!strcmp(device, "tap")) {
5250 char setup_script[1024], down_script[1024];
5252 vlan->nb_host_devs++;
5253 if (get_param_value(buf, sizeof(buf), "fd", p) > 0) {
5254 fd = strtol(buf, NULL, 0);
5255 fcntl(fd, F_SETFL, O_NONBLOCK);
5257 if (net_tap_fd_init(vlan, fd))
5260 if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) {
5263 if (get_param_value(setup_script, sizeof(setup_script), "script", p) == 0) {
5264 pstrcpy(setup_script, sizeof(setup_script), DEFAULT_NETWORK_SCRIPT);
5266 if (get_param_value(down_script, sizeof(down_script), "downscript", p) == 0) {
5267 pstrcpy(down_script, sizeof(down_script), DEFAULT_NETWORK_DOWN_SCRIPT);
5269 ret = net_tap_init(vlan, ifname, setup_script, down_script);
5273 if (!strcmp(device, "socket")) {
5274 if (get_param_value(buf, sizeof(buf), "fd", p) > 0) {
5276 fd = strtol(buf, NULL, 0);
5278 if (net_socket_fd_init(vlan, fd, 1))
5280 } else if (get_param_value(buf, sizeof(buf), "listen", p) > 0) {
5281 ret = net_socket_listen_init(vlan, buf);
5282 } else if (get_param_value(buf, sizeof(buf), "connect", p) > 0) {
5283 ret = net_socket_connect_init(vlan, buf);
5284 } else if (get_param_value(buf, sizeof(buf), "mcast", p) > 0) {
5285 ret = net_socket_mcast_init(vlan, buf);
5287 fprintf(stderr, "Unknown socket options: %s\n", p);
5290 vlan->nb_host_devs++;
5293 if (!strcmp(device, "vde")) {
5294 char vde_sock[1024], vde_group[512];
5295 int vde_port, vde_mode;
5296 vlan->nb_host_devs++;
5297 if (get_param_value(vde_sock, sizeof(vde_sock), "sock", p) <= 0) {
5300 if (get_param_value(buf, sizeof(buf), "port", p) > 0) {
5301 vde_port = strtol(buf, NULL, 10);
5305 if (get_param_value(vde_group, sizeof(vde_group), "group", p) <= 0) {
5306 vde_group[0] = '\0';
5308 if (get_param_value(buf, sizeof(buf), "mode", p) > 0) {
5309 vde_mode = strtol(buf, NULL, 8);
5313 ret = net_vde_init(vlan, vde_sock, vde_port, vde_group, vde_mode);
5317 fprintf(stderr, "Unknown network device: %s\n", device);
5321 fprintf(stderr, "Could not initialize device '%s'\n", device);
5327 static int net_client_parse(const char *str)
5335 while (*p != '\0' && *p != ',') {
5336 if ((q - device) < sizeof(device) - 1)
5344 return net_client_init(device, p);
5347 void do_info_network(void)
5350 VLANClientState *vc;
5352 for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) {
5353 term_printf("VLAN %d devices:\n", vlan->id);
5354 for(vc = vlan->first_client; vc != NULL; vc = vc->next)
5355 term_printf(" %s\n", vc->info_str);
5359 /***********************************************************/
5360 /* Bluetooth support */
5363 static struct HCIInfo *hci_table[MAX_NICS];
5364 static struct bt_vlan_s {
5365 struct bt_scatternet_s net;
5367 struct bt_vlan_s *next;
5370 /* find or alloc a new bluetooth "VLAN" */
5371 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
5373 struct bt_vlan_s **pvlan, *vlan;
5374 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
5378 vlan = qemu_mallocz(sizeof(struct bt_vlan_s));
5380 pvlan = &first_bt_vlan;
5381 while (*pvlan != NULL)
5382 pvlan = &(*pvlan)->next;
5387 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
5391 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
5396 static struct HCIInfo null_hci = {
5397 .cmd_send = null_hci_send,
5398 .sco_send = null_hci_send,
5399 .acl_send = null_hci_send,
5400 .bdaddr_set = null_hci_addr_set,
5403 struct HCIInfo *qemu_next_hci(void)
5405 if (cur_hci == nb_hcis)
5408 return hci_table[cur_hci++];
5411 /***********************************************************/
5412 /* QEMU Block devices */
5414 #define HD_ALIAS "index=%d,media=disk"
5416 #define CDROM_ALIAS "index=1,media=cdrom"
5418 #define CDROM_ALIAS "index=2,media=cdrom"
5420 #define FD_ALIAS "index=%d,if=floppy"
5421 #define PFLASH_ALIAS "if=pflash"
5422 #define MTD_ALIAS "if=mtd"
5423 #define SD_ALIAS "index=0,if=sd"
5425 static int drive_add(const char *file, const char *fmt, ...)
5429 if (nb_drives_opt >= MAX_DRIVES) {
5430 fprintf(stderr, "qemu: too many drives\n");
5434 drives_opt[nb_drives_opt].file = file;
5436 vsnprintf(drives_opt[nb_drives_opt].opt,
5437 sizeof(drives_opt[0].opt), fmt, ap);
5440 return nb_drives_opt++;
5443 int drive_get_index(BlockInterfaceType type, int bus, int unit)
5447 /* seek interface, bus and unit */
5449 for (index = 0; index < nb_drives; index++)
5450 if (drives_table[index].type == type &&
5451 drives_table[index].bus == bus &&
5452 drives_table[index].unit == unit)
5458 int drive_get_max_bus(BlockInterfaceType type)
5464 for (index = 0; index < nb_drives; index++) {
5465 if(drives_table[index].type == type &&
5466 drives_table[index].bus > max_bus)
5467 max_bus = drives_table[index].bus;
5472 static void bdrv_format_print(void *opaque, const char *name)
5474 fprintf(stderr, " %s", name);
5477 static int drive_init(struct drive_opt *arg, int snapshot,
5478 QEMUMachine *machine)
5483 const char *mediastr = "";
5484 BlockInterfaceType type;
5485 enum { MEDIA_DISK, MEDIA_CDROM } media;
5486 int bus_id, unit_id;
5487 int cyls, heads, secs, translation;
5488 BlockDriverState *bdrv;
5489 BlockDriver *drv = NULL;
5494 char *str = arg->opt;
5495 static const char * const params[] = { "bus", "unit", "if", "index",
5496 "cyls", "heads", "secs", "trans",
5497 "media", "snapshot", "file",
5498 "cache", "format", NULL };
5500 if (check_params(buf, sizeof(buf), params, str) < 0) {
5501 fprintf(stderr, "qemu: unknown parameter '%s' in '%s'\n",
5507 cyls = heads = secs = 0;
5510 translation = BIOS_ATA_TRANSLATION_AUTO;
5514 if (machine->use_scsi) {
5516 max_devs = MAX_SCSI_DEVS;
5517 pstrcpy(devname, sizeof(devname), "scsi");
5520 max_devs = MAX_IDE_DEVS;
5521 pstrcpy(devname, sizeof(devname), "ide");
5525 /* extract parameters */
5527 if (get_param_value(buf, sizeof(buf), "bus", str)) {
5528 bus_id = strtol(buf, NULL, 0);
5530 fprintf(stderr, "qemu: '%s' invalid bus id\n", str);
5535 if (get_param_value(buf, sizeof(buf), "unit", str)) {
5536 unit_id = strtol(buf, NULL, 0);
5538 fprintf(stderr, "qemu: '%s' invalid unit id\n", str);
5543 if (get_param_value(buf, sizeof(buf), "if", str)) {
5544 pstrcpy(devname, sizeof(devname), buf);
5545 if (!strcmp(buf, "ide")) {
5547 max_devs = MAX_IDE_DEVS;
5548 } else if (!strcmp(buf, "scsi")) {
5550 max_devs = MAX_SCSI_DEVS;
5551 } else if (!strcmp(buf, "floppy")) {
5554 } else if (!strcmp(buf, "pflash")) {
5557 } else if (!strcmp(buf, "mtd")) {
5560 } else if (!strcmp(buf, "sd")) {
5564 fprintf(stderr, "qemu: '%s' unsupported bus type '%s'\n", str, buf);
5569 if (get_param_value(buf, sizeof(buf), "index", str)) {
5570 index = strtol(buf, NULL, 0);
5572 fprintf(stderr, "qemu: '%s' invalid index\n", str);
5577 if (get_param_value(buf, sizeof(buf), "cyls", str)) {
5578 cyls = strtol(buf, NULL, 0);
5581 if (get_param_value(buf, sizeof(buf), "heads", str)) {
5582 heads = strtol(buf, NULL, 0);
5585 if (get_param_value(buf, sizeof(buf), "secs", str)) {
5586 secs = strtol(buf, NULL, 0);
5589 if (cyls || heads || secs) {
5590 if (cyls < 1 || cyls > 16383) {
5591 fprintf(stderr, "qemu: '%s' invalid physical cyls number\n", str);
5594 if (heads < 1 || heads > 16) {
5595 fprintf(stderr, "qemu: '%s' invalid physical heads number\n", str);
5598 if (secs < 1 || secs > 63) {
5599 fprintf(stderr, "qemu: '%s' invalid physical secs number\n", str);
5604 if (get_param_value(buf, sizeof(buf), "trans", str)) {
5607 "qemu: '%s' trans must be used with cyls,heads and secs\n",
5611 if (!strcmp(buf, "none"))
5612 translation = BIOS_ATA_TRANSLATION_NONE;
5613 else if (!strcmp(buf, "lba"))
5614 translation = BIOS_ATA_TRANSLATION_LBA;
5615 else if (!strcmp(buf, "auto"))
5616 translation = BIOS_ATA_TRANSLATION_AUTO;
5618 fprintf(stderr, "qemu: '%s' invalid translation type\n", str);
5623 if (get_param_value(buf, sizeof(buf), "media", str)) {
5624 if (!strcmp(buf, "disk")) {
5626 } else if (!strcmp(buf, "cdrom")) {
5627 if (cyls || secs || heads) {
5629 "qemu: '%s' invalid physical CHS format\n", str);
5632 media = MEDIA_CDROM;
5634 fprintf(stderr, "qemu: '%s' invalid media\n", str);
5639 if (get_param_value(buf, sizeof(buf), "snapshot", str)) {
5640 if (!strcmp(buf, "on"))
5642 else if (!strcmp(buf, "off"))
5645 fprintf(stderr, "qemu: '%s' invalid snapshot option\n", str);
5650 if (get_param_value(buf, sizeof(buf), "cache", str)) {
5651 if (!strcmp(buf, "off"))
5653 else if (!strcmp(buf, "on"))
5656 fprintf(stderr, "qemu: invalid cache option\n");
5661 if (get_param_value(buf, sizeof(buf), "format", str)) {
5662 if (strcmp(buf, "?") == 0) {
5663 fprintf(stderr, "qemu: Supported formats:");
5664 bdrv_iterate_format(bdrv_format_print, NULL);
5665 fprintf(stderr, "\n");
5668 drv = bdrv_find_format(buf);
5670 fprintf(stderr, "qemu: '%s' invalid format\n", buf);
5675 if (arg->file == NULL)
5676 get_param_value(file, sizeof(file), "file", str);
5678 pstrcpy(file, sizeof(file), arg->file);
5680 /* compute bus and unit according index */
5683 if (bus_id != 0 || unit_id != -1) {
5685 "qemu: '%s' index cannot be used with bus and unit\n", str);
5693 unit_id = index % max_devs;
5694 bus_id = index / max_devs;
5698 /* if user doesn't specify a unit_id,
5699 * try to find the first free
5702 if (unit_id == -1) {
5704 while (drive_get_index(type, bus_id, unit_id) != -1) {
5706 if (max_devs && unit_id >= max_devs) {
5707 unit_id -= max_devs;
5715 if (max_devs && unit_id >= max_devs) {
5716 fprintf(stderr, "qemu: '%s' unit %d too big (max is %d)\n",
5717 str, unit_id, max_devs - 1);
5722 * ignore multiple definitions
5725 if (drive_get_index(type, bus_id, unit_id) != -1)
5730 if (type == IF_IDE || type == IF_SCSI)
5731 mediastr = (media == MEDIA_CDROM) ? "-cd" : "-hd";
5733 snprintf(buf, sizeof(buf), "%s%i%s%i",
5734 devname, bus_id, mediastr, unit_id);
5736 snprintf(buf, sizeof(buf), "%s%s%i",
5737 devname, mediastr, unit_id);
5738 bdrv = bdrv_new(buf);
5739 drives_table[nb_drives].bdrv = bdrv;
5740 drives_table[nb_drives].type = type;
5741 drives_table[nb_drives].bus = bus_id;
5742 drives_table[nb_drives].unit = unit_id;
5751 bdrv_set_geometry_hint(bdrv, cyls, heads, secs);
5752 bdrv_set_translation_hint(bdrv, translation);
5756 bdrv_set_type_hint(bdrv, BDRV_TYPE_CDROM);
5761 /* FIXME: This isn't really a floppy, but it's a reasonable
5764 bdrv_set_type_hint(bdrv, BDRV_TYPE_FLOPPY);
5774 bdrv_flags |= BDRV_O_SNAPSHOT;
5776 bdrv_flags |= BDRV_O_DIRECT;
5777 if (bdrv_open2(bdrv, file, bdrv_flags, drv) < 0 || qemu_key_check(bdrv, file)) {
5778 fprintf(stderr, "qemu: could not open disk image %s\n",
5785 /***********************************************************/
5788 static USBPort *used_usb_ports;
5789 static USBPort *free_usb_ports;
5791 /* ??? Maybe change this to register a hub to keep track of the topology. */
5792 void qemu_register_usb_port(USBPort *port, void *opaque, int index,
5793 usb_attachfn attach)
5795 port->opaque = opaque;
5796 port->index = index;
5797 port->attach = attach;
5798 port->next = free_usb_ports;
5799 free_usb_ports = port;
5802 int usb_device_add_dev(USBDevice *dev)
5806 /* Find a USB port to add the device to. */
5807 port = free_usb_ports;
5811 /* Create a new hub and chain it on. */
5812 free_usb_ports = NULL;
5813 port->next = used_usb_ports;
5814 used_usb_ports = port;
5816 hub = usb_hub_init(VM_USB_HUB_SIZE);
5817 usb_attach(port, hub);
5818 port = free_usb_ports;
5821 free_usb_ports = port->next;
5822 port->next = used_usb_ports;
5823 used_usb_ports = port;
5824 usb_attach(port, dev);
5828 static int usb_device_add(const char *devname)
5833 if (!free_usb_ports)
5836 if (strstart(devname, "host:", &p)) {
5837 dev = usb_host_device_open(p);
5838 } else if (!strcmp(devname, "mouse")) {
5839 dev = usb_mouse_init();
5840 } else if (!strcmp(devname, "tablet")) {
5841 dev = usb_tablet_init();
5842 } else if (!strcmp(devname, "keyboard")) {
5843 dev = usb_keyboard_init();
5844 } else if (strstart(devname, "disk:", &p)) {
5845 dev = usb_msd_init(p);
5846 } else if (!strcmp(devname, "wacom-tablet")) {
5847 dev = usb_wacom_init();
5848 } else if (strstart(devname, "serial:", &p)) {
5849 dev = usb_serial_init(p);
5850 #ifdef CONFIG_BRLAPI
5851 } else if (!strcmp(devname, "braille")) {
5852 dev = usb_baum_init();
5854 } else if (strstart(devname, "net:", &p)) {
5857 if (net_client_init("nic", p) < 0)
5859 nd_table[nic].model = "usb";
5860 dev = usb_net_init(&nd_table[nic]);
5867 return usb_device_add_dev(dev);
5870 int usb_device_del_addr(int bus_num, int addr)
5876 if (!used_usb_ports)
5882 lastp = &used_usb_ports;
5883 port = used_usb_ports;
5884 while (port && port->dev->addr != addr) {
5885 lastp = &port->next;
5893 *lastp = port->next;
5894 usb_attach(port, NULL);
5895 dev->handle_destroy(dev);
5896 port->next = free_usb_ports;
5897 free_usb_ports = port;
5901 static int usb_device_del(const char *devname)
5906 if (strstart(devname, "host:", &p))
5907 return usb_host_device_close(p);
5909 if (!used_usb_ports)
5912 p = strchr(devname, '.');
5915 bus_num = strtoul(devname, NULL, 0);
5916 addr = strtoul(p + 1, NULL, 0);
5918 return usb_device_del_addr(bus_num, addr);
5921 void do_usb_add(const char *devname)
5923 usb_device_add(devname);
5926 void do_usb_del(const char *devname)
5928 usb_device_del(devname);
5935 const char *speed_str;
5938 term_printf("USB support not enabled\n");
5942 for (port = used_usb_ports; port; port = port->next) {
5946 switch(dev->speed) {
5950 case USB_SPEED_FULL:
5953 case USB_SPEED_HIGH:
5960 term_printf(" Device %d.%d, Speed %s Mb/s, Product %s\n",
5961 0, dev->addr, speed_str, dev->devname);
5965 /***********************************************************/
5966 /* PCMCIA/Cardbus */
5968 static struct pcmcia_socket_entry_s {
5969 struct pcmcia_socket_s *socket;
5970 struct pcmcia_socket_entry_s *next;
5971 } *pcmcia_sockets = 0;
5973 void pcmcia_socket_register(struct pcmcia_socket_s *socket)
5975 struct pcmcia_socket_entry_s *entry;
5977 entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s));
5978 entry->socket = socket;
5979 entry->next = pcmcia_sockets;
5980 pcmcia_sockets = entry;
5983 void pcmcia_socket_unregister(struct pcmcia_socket_s *socket)
5985 struct pcmcia_socket_entry_s *entry, **ptr;
5987 ptr = &pcmcia_sockets;
5988 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
5989 if (entry->socket == socket) {
5995 void pcmcia_info(void)
5997 struct pcmcia_socket_entry_s *iter;
5998 if (!pcmcia_sockets)
5999 term_printf("No PCMCIA sockets\n");
6001 for (iter = pcmcia_sockets; iter; iter = iter->next)
6002 term_printf("%s: %s\n", iter->socket->slot_string,
6003 iter->socket->attached ? iter->socket->card_string :
6007 /***********************************************************/
6010 static void dumb_update(DisplayState *ds, int x, int y, int w, int h)
6014 static void dumb_resize(DisplayState *ds, int w, int h)
6018 static void dumb_refresh(DisplayState *ds)
6020 #if defined(CONFIG_SDL)
6025 static void dumb_display_init(DisplayState *ds)
6030 ds->dpy_update = dumb_update;
6031 ds->dpy_resize = dumb_resize;
6032 ds->dpy_refresh = dumb_refresh;
6033 ds->gui_timer_interval = 500;
6037 /***********************************************************/
6040 #define MAX_IO_HANDLERS 64
6042 typedef struct IOHandlerRecord {
6044 IOCanRWHandler *fd_read_poll;
6046 IOHandler *fd_write;
6049 /* temporary data */
6051 struct IOHandlerRecord *next;
6054 static IOHandlerRecord *first_io_handler;
6056 /* XXX: fd_read_poll should be suppressed, but an API change is
6057 necessary in the character devices to suppress fd_can_read(). */
6058 int qemu_set_fd_handler2(int fd,
6059 IOCanRWHandler *fd_read_poll,
6061 IOHandler *fd_write,
6064 IOHandlerRecord **pioh, *ioh;
6066 if (!fd_read && !fd_write) {
6067 pioh = &first_io_handler;
6072 if (ioh->fd == fd) {
6079 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
6083 ioh = qemu_mallocz(sizeof(IOHandlerRecord));
6086 ioh->next = first_io_handler;
6087 first_io_handler = ioh;
6090 ioh->fd_read_poll = fd_read_poll;
6091 ioh->fd_read = fd_read;
6092 ioh->fd_write = fd_write;
6093 ioh->opaque = opaque;
6099 int qemu_set_fd_handler(int fd,
6101 IOHandler *fd_write,
6104 return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque);
6107 /***********************************************************/
6108 /* Polling handling */
6110 typedef struct PollingEntry {
6113 struct PollingEntry *next;
6116 static PollingEntry *first_polling_entry;
6118 int qemu_add_polling_cb(PollingFunc *func, void *opaque)
6120 PollingEntry **ppe, *pe;
6121 pe = qemu_mallocz(sizeof(PollingEntry));
6125 pe->opaque = opaque;
6126 for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next);
6131 void qemu_del_polling_cb(PollingFunc *func, void *opaque)
6133 PollingEntry **ppe, *pe;
6134 for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) {
6136 if (pe->func == func && pe->opaque == opaque) {
6145 /***********************************************************/
6146 /* Wait objects support */
6147 typedef struct WaitObjects {
6149 HANDLE events[MAXIMUM_WAIT_OBJECTS + 1];
6150 WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1];
6151 void *opaque[MAXIMUM_WAIT_OBJECTS + 1];
6154 static WaitObjects wait_objects = {0};
6156 int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
6158 WaitObjects *w = &wait_objects;
6160 if (w->num >= MAXIMUM_WAIT_OBJECTS)
6162 w->events[w->num] = handle;
6163 w->func[w->num] = func;
6164 w->opaque[w->num] = opaque;
6169 void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
6172 WaitObjects *w = &wait_objects;
6175 for (i = 0; i < w->num; i++) {
6176 if (w->events[i] == handle)
6179 w->events[i] = w->events[i + 1];
6180 w->func[i] = w->func[i + 1];
6181 w->opaque[i] = w->opaque[i + 1];
6189 #define SELF_ANNOUNCE_ROUNDS 5
6190 #define ETH_P_EXPERIMENTAL 0x01F1 /* just a number */
6191 //#define ETH_P_EXPERIMENTAL 0x0012 /* make it the size of the packet */
6192 #define EXPERIMENTAL_MAGIC 0xf1f23f4f
6194 static int announce_self_create(uint8_t *buf,
6197 uint32_t magic = EXPERIMENTAL_MAGIC;
6198 uint16_t proto = htons(ETH_P_EXPERIMENTAL);
6200 /* FIXME: should we send a different packet (arp/rarp/ping)? */
6202 memset(buf, 0xff, 6); /* h_dst */
6203 memcpy(buf + 6, mac_addr, 6); /* h_src */
6204 memcpy(buf + 12, &proto, 2); /* h_proto */
6205 memcpy(buf + 14, &magic, 4); /* magic */
6207 return 18; /* len */
6210 void qemu_announce_self(void)
6214 VLANClientState *vc;
6217 for (i = 0; i < nb_nics; i++) {
6218 len = announce_self_create(buf, nd_table[i].macaddr);
6219 vlan = nd_table[i].vlan;
6220 for(vc = vlan->first_client; vc != NULL; vc = vc->next) {
6221 if (vc->fd_read == tap_receive) /* send only if tap */
6222 for (j=0; j < SELF_ANNOUNCE_ROUNDS; j++)
6223 vc->fd_read(vc->opaque, buf, len);
6228 /***********************************************************/
6229 /* savevm/loadvm support */
6231 #define IO_BUF_SIZE 32768
6234 QEMUFilePutBufferFunc *put_buffer;
6235 QEMUFileGetBufferFunc *get_buffer;
6236 QEMUFileCloseFunc *close;
6237 QEMUFileRateLimit *rate_limit;
6241 int64_t buf_offset; /* start of buffer when writing, end of buffer
6244 int buf_size; /* 0 when writing */
6245 uint8_t buf[IO_BUF_SIZE];
6250 typedef struct QEMUFileFD
6256 static int fd_get_buffer(void *opaque, uint8_t *buf, int64_t pos, int size)
6258 QEMUFileFD *s = opaque;
6262 len = read(s->fd, buf, size);
6263 } while (len == -1 && errno == EINTR);
6271 static int fd_close(void *opaque)
6273 QEMUFileFD *s = opaque;
6278 QEMUFile *qemu_fopen_fd(int fd)
6280 QEMUFileFD *s = qemu_mallocz(sizeof(QEMUFileFD));
6286 s->file = qemu_fopen_ops(s, NULL, fd_get_buffer, fd_close, NULL);
6290 typedef struct QEMUFileStdio
6295 static int file_put_buffer(void *opaque, const uint8_t *buf,
6296 int64_t pos, int size)
6298 QEMUFileStdio *s = opaque;
6299 fseek(s->outfile, pos, SEEK_SET);
6300 fwrite(buf, 1, size, s->outfile);
6304 static int file_get_buffer(void *opaque, uint8_t *buf, int64_t pos, int size)
6306 QEMUFileStdio *s = opaque;
6307 fseek(s->outfile, pos, SEEK_SET);
6308 return fread(buf, 1, size, s->outfile);
6311 static int file_close(void *opaque)
6313 QEMUFileStdio *s = opaque;
6319 QEMUFile *qemu_fopen(const char *filename, const char *mode)
6323 s = qemu_mallocz(sizeof(QEMUFileStdio));
6327 s->outfile = fopen(filename, mode);
6331 if (!strcmp(mode, "wb"))
6332 return qemu_fopen_ops(s, file_put_buffer, NULL, file_close, NULL);
6333 else if (!strcmp(mode, "rb"))
6334 return qemu_fopen_ops(s, NULL, file_get_buffer, file_close, NULL);
6343 typedef struct QEMUFileBdrv
6345 BlockDriverState *bs;
6346 int64_t base_offset;
6349 static int bdrv_put_buffer(void *opaque, const uint8_t *buf,
6350 int64_t pos, int size)
6352 QEMUFileBdrv *s = opaque;
6353 bdrv_pwrite(s->bs, s->base_offset + pos, buf, size);
6357 static int bdrv_get_buffer(void *opaque, uint8_t *buf, int64_t pos, int size)
6359 QEMUFileBdrv *s = opaque;
6360 return bdrv_pread(s->bs, s->base_offset + pos, buf, size);
6363 static int bdrv_fclose(void *opaque)
6365 QEMUFileBdrv *s = opaque;
6370 static QEMUFile *qemu_fopen_bdrv(BlockDriverState *bs, int64_t offset, int is_writable)
6374 s = qemu_mallocz(sizeof(QEMUFileBdrv));
6379 s->base_offset = offset;
6382 return qemu_fopen_ops(s, bdrv_put_buffer, NULL, bdrv_fclose, NULL);
6384 return qemu_fopen_ops(s, NULL, bdrv_get_buffer, bdrv_fclose, NULL);
6387 QEMUFile *qemu_fopen_ops(void *opaque, QEMUFilePutBufferFunc *put_buffer,
6388 QEMUFileGetBufferFunc *get_buffer,
6389 QEMUFileCloseFunc *close,
6390 QEMUFileRateLimit *rate_limit)
6394 f = qemu_mallocz(sizeof(QEMUFile));
6399 f->put_buffer = put_buffer;
6400 f->get_buffer = get_buffer;
6402 f->rate_limit = rate_limit;
6408 int qemu_file_has_error(QEMUFile *f)
6410 return f->has_error;
6413 void qemu_fflush(QEMUFile *f)
6418 if (f->is_write && f->buf_index > 0) {
6421 len = f->put_buffer(f->opaque, f->buf, f->buf_offset, f->buf_index);
6423 f->buf_offset += f->buf_index;
6430 static void qemu_fill_buffer(QEMUFile *f)
6440 len = f->get_buffer(f->opaque, f->buf, f->buf_offset, IO_BUF_SIZE);
6444 f->buf_offset += len;
6445 } else if (len != -EAGAIN)
6449 int qemu_fclose(QEMUFile *f)
6454 ret = f->close(f->opaque);
6459 void qemu_file_put_notify(QEMUFile *f)
6461 f->put_buffer(f->opaque, NULL, 0, 0);
6464 void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size)
6468 if (!f->has_error && f->is_write == 0 && f->buf_index > 0) {
6470 "Attempted to write to buffer while read buffer is not empty\n");
6474 while (!f->has_error && size > 0) {
6475 l = IO_BUF_SIZE - f->buf_index;
6478 memcpy(f->buf + f->buf_index, buf, l);
6483 if (f->buf_index >= IO_BUF_SIZE)
6488 void qemu_put_byte(QEMUFile *f, int v)
6490 if (!f->has_error && f->is_write == 0 && f->buf_index > 0) {
6492 "Attempted to write to buffer while read buffer is not empty\n");
6496 f->buf[f->buf_index++] = v;
6498 if (f->buf_index >= IO_BUF_SIZE)
6502 int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size1)
6511 l = f->buf_size - f->buf_index;
6513 qemu_fill_buffer(f);
6514 l = f->buf_size - f->buf_index;
6520 memcpy(buf, f->buf + f->buf_index, l);
6525 return size1 - size;
6528 int qemu_get_byte(QEMUFile *f)
6533 if (f->buf_index >= f->buf_size) {
6534 qemu_fill_buffer(f);
6535 if (f->buf_index >= f->buf_size)
6538 return f->buf[f->buf_index++];
6541 int64_t qemu_ftell(QEMUFile *f)
6543 return f->buf_offset - f->buf_size + f->buf_index;
6546 int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence)
6548 if (whence == SEEK_SET) {
6550 } else if (whence == SEEK_CUR) {
6551 pos += qemu_ftell(f);
6553 /* SEEK_END not supported */
6556 if (f->put_buffer) {
6558 f->buf_offset = pos;
6560 f->buf_offset = pos;
6567 int qemu_file_rate_limit(QEMUFile *f)
6570 return f->rate_limit(f->opaque);
6575 void qemu_put_be16(QEMUFile *f, unsigned int v)
6577 qemu_put_byte(f, v >> 8);
6578 qemu_put_byte(f, v);
6581 void qemu_put_be32(QEMUFile *f, unsigned int v)
6583 qemu_put_byte(f, v >> 24);
6584 qemu_put_byte(f, v >> 16);
6585 qemu_put_byte(f, v >> 8);
6586 qemu_put_byte(f, v);
6589 void qemu_put_be64(QEMUFile *f, uint64_t v)
6591 qemu_put_be32(f, v >> 32);
6592 qemu_put_be32(f, v);
6595 unsigned int qemu_get_be16(QEMUFile *f)
6598 v = qemu_get_byte(f) << 8;
6599 v |= qemu_get_byte(f);
6603 unsigned int qemu_get_be32(QEMUFile *f)
6606 v = qemu_get_byte(f) << 24;
6607 v |= qemu_get_byte(f) << 16;
6608 v |= qemu_get_byte(f) << 8;
6609 v |= qemu_get_byte(f);
6613 uint64_t qemu_get_be64(QEMUFile *f)
6616 v = (uint64_t)qemu_get_be32(f) << 32;
6617 v |= qemu_get_be32(f);
6621 typedef struct SaveStateEntry {
6626 SaveLiveStateHandler *save_live_state;
6627 SaveStateHandler *save_state;
6628 LoadStateHandler *load_state;
6630 struct SaveStateEntry *next;
6633 static SaveStateEntry *first_se;
6635 /* TODO: Individual devices generally have very little idea about the rest
6636 of the system, so instance_id should be removed/replaced.
6637 Meanwhile pass -1 as instance_id if you do not already have a clearly
6638 distinguishing id for all instances of your device class. */
6639 int register_savevm_live(const char *idstr,
6642 SaveLiveStateHandler *save_live_state,
6643 SaveStateHandler *save_state,
6644 LoadStateHandler *load_state,
6647 SaveStateEntry *se, **pse;
6648 static int global_section_id;
6650 se = qemu_malloc(sizeof(SaveStateEntry));
6653 pstrcpy(se->idstr, sizeof(se->idstr), idstr);
6654 se->instance_id = (instance_id == -1) ? 0 : instance_id;
6655 se->version_id = version_id;
6656 se->section_id = global_section_id++;
6657 se->save_live_state = save_live_state;
6658 se->save_state = save_state;
6659 se->load_state = load_state;
6660 se->opaque = opaque;
6663 /* add at the end of list */
6665 while (*pse != NULL) {
6666 if (instance_id == -1
6667 && strcmp(se->idstr, (*pse)->idstr) == 0
6668 && se->instance_id <= (*pse)->instance_id)
6669 se->instance_id = (*pse)->instance_id + 1;
6670 pse = &(*pse)->next;
6676 int register_savevm(const char *idstr,
6679 SaveStateHandler *save_state,
6680 LoadStateHandler *load_state,
6683 return register_savevm_live(idstr, instance_id, version_id,
6684 NULL, save_state, load_state, opaque);
6687 #define QEMU_VM_FILE_MAGIC 0x5145564d
6688 #define QEMU_VM_FILE_VERSION_COMPAT 0x00000002
6689 #define QEMU_VM_FILE_VERSION 0x00000003
6691 #define QEMU_VM_EOF 0x00
6692 #define QEMU_VM_SECTION_START 0x01
6693 #define QEMU_VM_SECTION_PART 0x02
6694 #define QEMU_VM_SECTION_END 0x03
6695 #define QEMU_VM_SECTION_FULL 0x04
6697 int qemu_savevm_state_begin(QEMUFile *f)
6701 qemu_put_be32(f, QEMU_VM_FILE_MAGIC);
6702 qemu_put_be32(f, QEMU_VM_FILE_VERSION);
6704 for (se = first_se; se != NULL; se = se->next) {
6707 if (se->save_live_state == NULL)
6711 qemu_put_byte(f, QEMU_VM_SECTION_START);
6712 qemu_put_be32(f, se->section_id);
6715 len = strlen(se->idstr);
6716 qemu_put_byte(f, len);
6717 qemu_put_buffer(f, (uint8_t *)se->idstr, len);
6719 qemu_put_be32(f, se->instance_id);
6720 qemu_put_be32(f, se->version_id);
6722 se->save_live_state(f, QEMU_VM_SECTION_START, se->opaque);
6725 if (qemu_file_has_error(f))
6731 int qemu_savevm_state_iterate(QEMUFile *f)
6736 for (se = first_se; se != NULL; se = se->next) {
6737 if (se->save_live_state == NULL)
6741 qemu_put_byte(f, QEMU_VM_SECTION_PART);
6742 qemu_put_be32(f, se->section_id);
6744 ret &= !!se->save_live_state(f, QEMU_VM_SECTION_PART, se->opaque);
6750 if (qemu_file_has_error(f))
6756 int qemu_savevm_state_complete(QEMUFile *f)
6760 for (se = first_se; se != NULL; se = se->next) {
6761 if (se->save_live_state == NULL)
6765 qemu_put_byte(f, QEMU_VM_SECTION_END);
6766 qemu_put_be32(f, se->section_id);
6768 se->save_live_state(f, QEMU_VM_SECTION_END, se->opaque);
6771 for(se = first_se; se != NULL; se = se->next) {
6774 if (se->save_state == NULL)
6778 qemu_put_byte(f, QEMU_VM_SECTION_FULL);
6779 qemu_put_be32(f, se->section_id);
6782 len = strlen(se->idstr);
6783 qemu_put_byte(f, len);
6784 qemu_put_buffer(f, (uint8_t *)se->idstr, len);
6786 qemu_put_be32(f, se->instance_id);
6787 qemu_put_be32(f, se->version_id);
6789 se->save_state(f, se->opaque);
6792 qemu_put_byte(f, QEMU_VM_EOF);
6794 if (qemu_file_has_error(f))
6800 int qemu_savevm_state(QEMUFile *f)
6802 int saved_vm_running;
6805 saved_vm_running = vm_running;
6810 ret = qemu_savevm_state_begin(f);
6815 ret = qemu_savevm_state_iterate(f);
6820 ret = qemu_savevm_state_complete(f);
6823 if (qemu_file_has_error(f))
6826 if (!ret && saved_vm_running)
6832 static SaveStateEntry *find_se(const char *idstr, int instance_id)
6836 for(se = first_se; se != NULL; se = se->next) {
6837 if (!strcmp(se->idstr, idstr) &&
6838 instance_id == se->instance_id)
6844 typedef struct LoadStateEntry {
6848 struct LoadStateEntry *next;
6851 static int qemu_loadvm_state_v2(QEMUFile *f)
6854 int len, ret, instance_id, record_len, version_id;
6855 int64_t total_len, end_pos, cur_pos;
6858 total_len = qemu_get_be64(f);
6859 end_pos = total_len + qemu_ftell(f);
6861 if (qemu_ftell(f) >= end_pos)
6863 len = qemu_get_byte(f);
6864 qemu_get_buffer(f, (uint8_t *)idstr, len);
6866 instance_id = qemu_get_be32(f);
6867 version_id = qemu_get_be32(f);
6868 record_len = qemu_get_be32(f);
6869 cur_pos = qemu_ftell(f);
6870 se = find_se(idstr, instance_id);
6872 fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n",
6873 instance_id, idstr);
6875 ret = se->load_state(f, se->opaque, version_id);
6877 fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n",
6878 instance_id, idstr);
6881 /* always seek to exact end of record */
6882 qemu_fseek(f, cur_pos + record_len, SEEK_SET);
6885 if (qemu_file_has_error(f))
6891 int qemu_loadvm_state(QEMUFile *f)
6893 LoadStateEntry *first_le = NULL;
6894 uint8_t section_type;
6898 v = qemu_get_be32(f);
6899 if (v != QEMU_VM_FILE_MAGIC)
6902 v = qemu_get_be32(f);
6903 if (v == QEMU_VM_FILE_VERSION_COMPAT)
6904 return qemu_loadvm_state_v2(f);
6905 if (v != QEMU_VM_FILE_VERSION)
6908 while ((section_type = qemu_get_byte(f)) != QEMU_VM_EOF) {
6909 uint32_t instance_id, version_id, section_id;
6915 switch (section_type) {
6916 case QEMU_VM_SECTION_START:
6917 case QEMU_VM_SECTION_FULL:
6918 /* Read section start */
6919 section_id = qemu_get_be32(f);
6920 len = qemu_get_byte(f);
6921 qemu_get_buffer(f, (uint8_t *)idstr, len);
6923 instance_id = qemu_get_be32(f);
6924 version_id = qemu_get_be32(f);
6926 /* Find savevm section */
6927 se = find_se(idstr, instance_id);
6929 fprintf(stderr, "Unknown savevm section or instance '%s' %d\n", idstr, instance_id);
6934 /* Validate version */
6935 if (version_id > se->version_id) {
6936 fprintf(stderr, "savevm: unsupported version %d for '%s' v%d\n",
6937 version_id, idstr, se->version_id);
6943 le = qemu_mallocz(sizeof(*le));
6950 le->section_id = section_id;
6951 le->version_id = version_id;
6952 le->next = first_le;
6955 le->se->load_state(f, le->se->opaque, le->version_id);
6957 case QEMU_VM_SECTION_PART:
6958 case QEMU_VM_SECTION_END:
6959 section_id = qemu_get_be32(f);
6961 for (le = first_le; le && le->section_id != section_id; le = le->next);
6963 fprintf(stderr, "Unknown savevm section %d\n", section_id);
6968 le->se->load_state(f, le->se->opaque, le->version_id);
6971 fprintf(stderr, "Unknown savevm section type %d\n", section_type);
6981 LoadStateEntry *le = first_le;
6982 first_le = first_le->next;
6986 if (qemu_file_has_error(f))
6992 /* device can contain snapshots */
6993 static int bdrv_can_snapshot(BlockDriverState *bs)
6996 !bdrv_is_removable(bs) &&
6997 !bdrv_is_read_only(bs));
7000 /* device must be snapshots in order to have a reliable snapshot */
7001 static int bdrv_has_snapshot(BlockDriverState *bs)
7004 !bdrv_is_removable(bs) &&
7005 !bdrv_is_read_only(bs));
7008 static BlockDriverState *get_bs_snapshots(void)
7010 BlockDriverState *bs;
7014 return bs_snapshots;
7015 for(i = 0; i <= nb_drives; i++) {
7016 bs = drives_table[i].bdrv;
7017 if (bdrv_can_snapshot(bs))
7026 static int bdrv_snapshot_find(BlockDriverState *bs, QEMUSnapshotInfo *sn_info,
7029 QEMUSnapshotInfo *sn_tab, *sn;
7033 nb_sns = bdrv_snapshot_list(bs, &sn_tab);
7036 for(i = 0; i < nb_sns; i++) {
7038 if (!strcmp(sn->id_str, name) || !strcmp(sn->name, name)) {
7048 void do_savevm(const char *name)
7050 BlockDriverState *bs, *bs1;
7051 QEMUSnapshotInfo sn1, *sn = &sn1, old_sn1, *old_sn = &old_sn1;
7052 int must_delete, ret, i;
7053 BlockDriverInfo bdi1, *bdi = &bdi1;
7055 int saved_vm_running;
7062 bs = get_bs_snapshots();
7064 term_printf("No block device can accept snapshots\n");
7068 /* ??? Should this occur after vm_stop? */
7071 saved_vm_running = vm_running;
7076 ret = bdrv_snapshot_find(bs, old_sn, name);
7081 memset(sn, 0, sizeof(*sn));
7083 pstrcpy(sn->name, sizeof(sn->name), old_sn->name);
7084 pstrcpy(sn->id_str, sizeof(sn->id_str), old_sn->id_str);
7087 pstrcpy(sn->name, sizeof(sn->name), name);
7090 /* fill auxiliary fields */
7093 sn->date_sec = tb.time;
7094 sn->date_nsec = tb.millitm * 1000000;
7096 gettimeofday(&tv, NULL);
7097 sn->date_sec = tv.tv_sec;
7098 sn->date_nsec = tv.tv_usec * 1000;
7100 sn->vm_clock_nsec = qemu_get_clock(vm_clock);
7102 if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) {
7103 term_printf("Device %s does not support VM state snapshots\n",
7104 bdrv_get_device_name(bs));
7108 /* save the VM state */
7109 f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 1);
7111 term_printf("Could not open VM state file\n");
7114 ret = qemu_savevm_state(f);
7115 sn->vm_state_size = qemu_ftell(f);
7118 term_printf("Error %d while writing VM\n", ret);
7122 /* create the snapshots */
7124 for(i = 0; i < nb_drives; i++) {
7125 bs1 = drives_table[i].bdrv;
7126 if (bdrv_has_snapshot(bs1)) {
7128 ret = bdrv_snapshot_delete(bs1, old_sn->id_str);
7130 term_printf("Error while deleting snapshot on '%s'\n",
7131 bdrv_get_device_name(bs1));
7134 ret = bdrv_snapshot_create(bs1, sn);
7136 term_printf("Error while creating snapshot on '%s'\n",
7137 bdrv_get_device_name(bs1));
7143 if (saved_vm_running)
7147 void do_loadvm(const char *name)
7149 BlockDriverState *bs, *bs1;
7150 BlockDriverInfo bdi1, *bdi = &bdi1;
7153 int saved_vm_running;
7155 bs = get_bs_snapshots();
7157 term_printf("No block device supports snapshots\n");
7161 /* Flush all IO requests so they don't interfere with the new state. */
7164 saved_vm_running = vm_running;
7167 for(i = 0; i <= nb_drives; i++) {
7168 bs1 = drives_table[i].bdrv;
7169 if (bdrv_has_snapshot(bs1)) {
7170 ret = bdrv_snapshot_goto(bs1, name);
7173 term_printf("Warning: ");
7176 term_printf("Snapshots not supported on device '%s'\n",
7177 bdrv_get_device_name(bs1));
7180 term_printf("Could not find snapshot '%s' on device '%s'\n",
7181 name, bdrv_get_device_name(bs1));
7184 term_printf("Error %d while activating snapshot on '%s'\n",
7185 ret, bdrv_get_device_name(bs1));
7188 /* fatal on snapshot block device */
7195 if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) {
7196 term_printf("Device %s does not support VM state snapshots\n",
7197 bdrv_get_device_name(bs));
7201 /* restore the VM state */
7202 f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 0);
7204 term_printf("Could not open VM state file\n");
7207 ret = qemu_loadvm_state(f);
7210 term_printf("Error %d while loading VM state\n", ret);
7213 if (saved_vm_running)
7217 void do_delvm(const char *name)
7219 BlockDriverState *bs, *bs1;
7222 bs = get_bs_snapshots();
7224 term_printf("No block device supports snapshots\n");
7228 for(i = 0; i <= nb_drives; i++) {
7229 bs1 = drives_table[i].bdrv;
7230 if (bdrv_has_snapshot(bs1)) {
7231 ret = bdrv_snapshot_delete(bs1, name);
7233 if (ret == -ENOTSUP)
7234 term_printf("Snapshots not supported on device '%s'\n",
7235 bdrv_get_device_name(bs1));
7237 term_printf("Error %d while deleting snapshot on '%s'\n",
7238 ret, bdrv_get_device_name(bs1));
7244 void do_info_snapshots(void)
7246 BlockDriverState *bs, *bs1;
7247 QEMUSnapshotInfo *sn_tab, *sn;
7251 bs = get_bs_snapshots();
7253 term_printf("No available block device supports snapshots\n");
7256 term_printf("Snapshot devices:");
7257 for(i = 0; i <= nb_drives; i++) {
7258 bs1 = drives_table[i].bdrv;
7259 if (bdrv_has_snapshot(bs1)) {
7261 term_printf(" %s", bdrv_get_device_name(bs1));
7266 nb_sns = bdrv_snapshot_list(bs, &sn_tab);
7268 term_printf("bdrv_snapshot_list: error %d\n", nb_sns);
7271 term_printf("Snapshot list (from %s):\n", bdrv_get_device_name(bs));
7272 term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), NULL));
7273 for(i = 0; i < nb_sns; i++) {
7275 term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), sn));
7280 /***********************************************************/
7281 /* ram save/restore */
7283 static int ram_get_page(QEMUFile *f, uint8_t *buf, int len)
7287 v = qemu_get_byte(f);
7290 if (qemu_get_buffer(f, buf, len) != len)
7294 v = qemu_get_byte(f);
7295 memset(buf, v, len);
7301 if (qemu_file_has_error(f))
7307 static int ram_load_v1(QEMUFile *f, void *opaque)
7312 if (qemu_get_be32(f) != phys_ram_size)
7314 for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) {
7315 ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE);
7322 #define BDRV_HASH_BLOCK_SIZE 1024
7323 #define IOBUF_SIZE 4096
7324 #define RAM_CBLOCK_MAGIC 0xfabe
7326 typedef struct RamDecompressState {
7329 uint8_t buf[IOBUF_SIZE];
7330 } RamDecompressState;
7332 static int ram_decompress_open(RamDecompressState *s, QEMUFile *f)
7335 memset(s, 0, sizeof(*s));
7337 ret = inflateInit(&s->zstream);
7343 static int ram_decompress_buf(RamDecompressState *s, uint8_t *buf, int len)
7347 s->zstream.avail_out = len;
7348 s->zstream.next_out = buf;
7349 while (s->zstream.avail_out > 0) {
7350 if (s->zstream.avail_in == 0) {
7351 if (qemu_get_be16(s->f) != RAM_CBLOCK_MAGIC)
7353 clen = qemu_get_be16(s->f);
7354 if (clen > IOBUF_SIZE)
7356 qemu_get_buffer(s->f, s->buf, clen);
7357 s->zstream.avail_in = clen;
7358 s->zstream.next_in = s->buf;
7360 ret = inflate(&s->zstream, Z_PARTIAL_FLUSH);
7361 if (ret != Z_OK && ret != Z_STREAM_END) {
7368 static void ram_decompress_close(RamDecompressState *s)
7370 inflateEnd(&s->zstream);
7373 #define RAM_SAVE_FLAG_FULL 0x01
7374 #define RAM_SAVE_FLAG_COMPRESS 0x02
7375 #define RAM_SAVE_FLAG_MEM_SIZE 0x04
7376 #define RAM_SAVE_FLAG_PAGE 0x08
7377 #define RAM_SAVE_FLAG_EOS 0x10
7379 static int is_dup_page(uint8_t *page, uint8_t ch)
7381 uint32_t val = ch << 24 | ch << 16 | ch << 8 | ch;
7382 uint32_t *array = (uint32_t *)page;
7385 for (i = 0; i < (TARGET_PAGE_SIZE / 4); i++) {
7386 if (array[i] != val)
7393 static int ram_save_block(QEMUFile *f)
7395 static ram_addr_t current_addr = 0;
7396 ram_addr_t saved_addr = current_addr;
7397 ram_addr_t addr = 0;
7400 while (addr < phys_ram_size) {
7401 if (cpu_physical_memory_get_dirty(current_addr, MIGRATION_DIRTY_FLAG)) {
7404 cpu_physical_memory_reset_dirty(current_addr,
7405 current_addr + TARGET_PAGE_SIZE,
7406 MIGRATION_DIRTY_FLAG);
7408 ch = *(phys_ram_base + current_addr);
7410 if (is_dup_page(phys_ram_base + current_addr, ch)) {
7411 qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_COMPRESS);
7412 qemu_put_byte(f, ch);
7414 qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_PAGE);
7415 qemu_put_buffer(f, phys_ram_base + current_addr, TARGET_PAGE_SIZE);
7421 addr += TARGET_PAGE_SIZE;
7422 current_addr = (saved_addr + addr) % phys_ram_size;
7428 static ram_addr_t ram_save_threshold = 10;
7430 static ram_addr_t ram_save_remaining(void)
7433 ram_addr_t count = 0;
7435 for (addr = 0; addr < phys_ram_size; addr += TARGET_PAGE_SIZE) {
7436 if (cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG))
7443 static int ram_save_live(QEMUFile *f, int stage, void *opaque)
7448 /* Make sure all dirty bits are set */
7449 for (addr = 0; addr < phys_ram_size; addr += TARGET_PAGE_SIZE) {
7450 if (!cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG))
7451 cpu_physical_memory_set_dirty(addr);
7454 /* Enable dirty memory tracking */
7455 cpu_physical_memory_set_dirty_tracking(1);
7457 qemu_put_be64(f, phys_ram_size | RAM_SAVE_FLAG_MEM_SIZE);
7460 while (!qemu_file_rate_limit(f)) {
7463 ret = ram_save_block(f);
7464 if (ret == 0) /* no more blocks */
7468 /* try transferring iterative blocks of memory */
7471 cpu_physical_memory_set_dirty_tracking(0);
7473 /* flush all remaining blocks regardless of rate limiting */
7474 while (ram_save_block(f) != 0);
7477 qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
7479 return (stage == 2) && (ram_save_remaining() < ram_save_threshold);
7482 static int ram_load_dead(QEMUFile *f, void *opaque)
7484 RamDecompressState s1, *s = &s1;
7488 if (ram_decompress_open(s, f) < 0)
7490 for(i = 0; i < phys_ram_size; i+= BDRV_HASH_BLOCK_SIZE) {
7491 if (ram_decompress_buf(s, buf, 1) < 0) {
7492 fprintf(stderr, "Error while reading ram block header\n");
7496 if (ram_decompress_buf(s, phys_ram_base + i, BDRV_HASH_BLOCK_SIZE) < 0) {
7497 fprintf(stderr, "Error while reading ram block address=0x%08" PRIx64, (uint64_t)i);
7502 printf("Error block header\n");
7506 ram_decompress_close(s);
7511 static int ram_load(QEMUFile *f, void *opaque, int version_id)
7516 if (version_id == 1)
7517 return ram_load_v1(f, opaque);
7519 if (version_id == 2) {
7520 if (qemu_get_be32(f) != phys_ram_size)
7522 return ram_load_dead(f, opaque);
7525 if (version_id != 3)
7529 addr = qemu_get_be64(f);
7531 flags = addr & ~TARGET_PAGE_MASK;
7532 addr &= TARGET_PAGE_MASK;
7534 if (flags & RAM_SAVE_FLAG_MEM_SIZE) {
7535 if (addr != phys_ram_size)
7539 if (flags & RAM_SAVE_FLAG_FULL) {
7540 if (ram_load_dead(f, opaque) < 0)
7544 if (flags & RAM_SAVE_FLAG_COMPRESS) {
7545 uint8_t ch = qemu_get_byte(f);
7546 memset(phys_ram_base + addr, ch, TARGET_PAGE_SIZE);
7547 } else if (flags & RAM_SAVE_FLAG_PAGE)
7548 qemu_get_buffer(f, phys_ram_base + addr, TARGET_PAGE_SIZE);
7549 } while (!(flags & RAM_SAVE_FLAG_EOS));
7554 void qemu_service_io(void)
7556 CPUState *env = cpu_single_env;
7558 cpu_interrupt(env, CPU_INTERRUPT_EXIT);
7560 if (env->kqemu_enabled) {
7561 kqemu_cpu_interrupt(env);
7567 /***********************************************************/
7568 /* bottom halves (can be seen as timers which expire ASAP) */
7577 static QEMUBH *first_bh = NULL;
7579 QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque)
7582 bh = qemu_mallocz(sizeof(QEMUBH));
7586 bh->opaque = opaque;
7590 int qemu_bh_poll(void)
7609 void qemu_bh_schedule(QEMUBH *bh)
7611 CPUState *env = cpu_single_env;
7615 bh->next = first_bh;
7618 /* stop the currently executing CPU to execute the BH ASAP */
7620 cpu_interrupt(env, CPU_INTERRUPT_EXIT);
7624 void qemu_bh_cancel(QEMUBH *bh)
7627 if (bh->scheduled) {
7630 pbh = &(*pbh)->next;
7636 void qemu_bh_delete(QEMUBH *bh)
7642 /***********************************************************/
7643 /* machine registration */
7645 static QEMUMachine *first_machine = NULL;
7647 int qemu_register_machine(QEMUMachine *m)
7650 pm = &first_machine;
7658 static QEMUMachine *find_machine(const char *name)
7662 for(m = first_machine; m != NULL; m = m->next) {
7663 if (!strcmp(m->name, name))
7669 /***********************************************************/
7670 /* main execution loop */
7672 static void gui_update(void *opaque)
7674 DisplayState *ds = opaque;
7675 ds->dpy_refresh(ds);
7676 qemu_mod_timer(ds->gui_timer,
7677 (ds->gui_timer_interval ?
7678 ds->gui_timer_interval :
7679 GUI_REFRESH_INTERVAL)
7680 + qemu_get_clock(rt_clock));
7683 struct vm_change_state_entry {
7684 VMChangeStateHandler *cb;
7686 LIST_ENTRY (vm_change_state_entry) entries;
7689 static LIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
7691 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
7694 VMChangeStateEntry *e;
7696 e = qemu_mallocz(sizeof (*e));
7702 LIST_INSERT_HEAD(&vm_change_state_head, e, entries);
7706 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
7708 LIST_REMOVE (e, entries);
7712 static void vm_state_notify(int running)
7714 VMChangeStateEntry *e;
7716 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
7717 e->cb(e->opaque, running);
7721 /* XXX: support several handlers */
7722 static VMStopHandler *vm_stop_cb;
7723 static void *vm_stop_opaque;
7725 int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque)
7728 vm_stop_opaque = opaque;
7732 void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque)
7743 qemu_rearm_alarm_timer(alarm_timer);
7747 void vm_stop(int reason)
7750 cpu_disable_ticks();
7754 vm_stop_cb(vm_stop_opaque, reason);
7761 /* reset/shutdown handler */
7763 typedef struct QEMUResetEntry {
7764 QEMUResetHandler *func;
7766 struct QEMUResetEntry *next;
7769 static QEMUResetEntry *first_reset_entry;
7770 static int reset_requested;
7771 static int shutdown_requested;
7772 static int powerdown_requested;
7774 int qemu_shutdown_requested(void)
7776 int r = shutdown_requested;
7777 shutdown_requested = 0;
7781 int qemu_reset_requested(void)
7783 int r = reset_requested;
7784 reset_requested = 0;
7788 int qemu_powerdown_requested(void)
7790 int r = powerdown_requested;
7791 powerdown_requested = 0;
7795 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
7797 QEMUResetEntry **pre, *re;
7799 pre = &first_reset_entry;
7800 while (*pre != NULL)
7801 pre = &(*pre)->next;
7802 re = qemu_mallocz(sizeof(QEMUResetEntry));
7804 re->opaque = opaque;
7809 void qemu_system_reset(void)
7813 /* reset all devices */
7814 for(re = first_reset_entry; re != NULL; re = re->next) {
7815 re->func(re->opaque);
7819 void qemu_system_reset_request(void)
7822 shutdown_requested = 1;
7824 reset_requested = 1;
7827 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
7830 void qemu_system_shutdown_request(void)
7832 shutdown_requested = 1;
7834 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
7837 void qemu_system_powerdown_request(void)
7839 powerdown_requested = 1;
7841 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
7844 void main_loop_wait(int timeout)
7846 IOHandlerRecord *ioh;
7847 fd_set rfds, wfds, xfds;
7856 /* XXX: need to suppress polling by better using win32 events */
7858 for(pe = first_polling_entry; pe != NULL; pe = pe->next) {
7859 ret |= pe->func(pe->opaque);
7864 WaitObjects *w = &wait_objects;
7866 ret = WaitForMultipleObjects(w->num, w->events, FALSE, timeout);
7867 if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) {
7868 if (w->func[ret - WAIT_OBJECT_0])
7869 w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]);
7871 /* Check for additional signaled events */
7872 for(i = (ret - WAIT_OBJECT_0 + 1); i < w->num; i++) {
7874 /* Check if event is signaled */
7875 ret2 = WaitForSingleObject(w->events[i], 0);
7876 if(ret2 == WAIT_OBJECT_0) {
7878 w->func[i](w->opaque[i]);
7879 } else if (ret2 == WAIT_TIMEOUT) {
7881 err = GetLastError();
7882 fprintf(stderr, "WaitForSingleObject error %d %d\n", i, err);
7885 } else if (ret == WAIT_TIMEOUT) {
7887 err = GetLastError();
7888 fprintf(stderr, "WaitForMultipleObjects error %d %d\n", ret, err);
7892 /* poll any events */
7893 /* XXX: separate device handlers from system ones */
7898 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
7902 (!ioh->fd_read_poll ||
7903 ioh->fd_read_poll(ioh->opaque) != 0)) {
7904 FD_SET(ioh->fd, &rfds);
7908 if (ioh->fd_write) {
7909 FD_SET(ioh->fd, &wfds);
7919 tv.tv_usec = timeout * 1000;
7921 #if defined(CONFIG_SLIRP)
7923 slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
7926 ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
7928 IOHandlerRecord **pioh;
7930 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
7931 if (!ioh->deleted && ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) {
7932 ioh->fd_read(ioh->opaque);
7934 if (!ioh->deleted && ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) {
7935 ioh->fd_write(ioh->opaque);
7939 /* remove deleted IO handlers */
7940 pioh = &first_io_handler;
7950 #if defined(CONFIG_SLIRP)
7957 slirp_select_poll(&rfds, &wfds, &xfds);
7962 if (likely(!(cur_cpu->singlestep_enabled & SSTEP_NOTIMER)))
7963 qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL],
7964 qemu_get_clock(vm_clock));
7965 /* run dma transfers, if any */
7969 /* real time timers */
7970 qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME],
7971 qemu_get_clock(rt_clock));
7973 if (alarm_timer->flags & ALARM_FLAG_EXPIRED) {
7974 alarm_timer->flags &= ~(ALARM_FLAG_EXPIRED);
7975 qemu_rearm_alarm_timer(alarm_timer);
7978 /* Check bottom-halves last in case any of the earlier events triggered
7984 static int main_loop(void)
7987 #ifdef CONFIG_PROFILER
7992 cur_cpu = first_cpu;
7993 next_cpu = cur_cpu->next_cpu ?: first_cpu;
8000 #ifdef CONFIG_PROFILER
8001 ti = profile_getclock();
8006 qemu_icount -= (env->icount_decr.u16.low + env->icount_extra);
8007 env->icount_decr.u16.low = 0;
8008 env->icount_extra = 0;
8009 count = qemu_next_deadline();
8010 count = (count + (1 << icount_time_shift) - 1)
8011 >> icount_time_shift;
8012 qemu_icount += count;
8013 decr = (count > 0xffff) ? 0xffff : count;
8015 env->icount_decr.u16.low = decr;
8016 env->icount_extra = count;
8018 ret = cpu_exec(env);
8019 #ifdef CONFIG_PROFILER
8020 qemu_time += profile_getclock() - ti;
8023 /* Fold pending instructions back into the
8024 instruction counter, and clear the interrupt flag. */
8025 qemu_icount -= (env->icount_decr.u16.low
8026 + env->icount_extra);
8027 env->icount_decr.u32 = 0;
8028 env->icount_extra = 0;
8030 next_cpu = env->next_cpu ?: first_cpu;
8031 if (event_pending && likely(ret != EXCP_DEBUG)) {
8032 ret = EXCP_INTERRUPT;
8036 if (ret == EXCP_HLT) {
8037 /* Give the next CPU a chance to run. */
8041 if (ret != EXCP_HALTED)
8043 /* all CPUs are halted ? */
8049 if (shutdown_requested) {
8050 ret = EXCP_INTERRUPT;
8058 if (reset_requested) {
8059 reset_requested = 0;
8060 qemu_system_reset();
8061 ret = EXCP_INTERRUPT;
8063 if (powerdown_requested) {
8064 powerdown_requested = 0;
8065 qemu_system_powerdown();
8066 ret = EXCP_INTERRUPT;
8068 if (unlikely(ret == EXCP_DEBUG)) {
8069 vm_stop(EXCP_DEBUG);
8071 /* If all cpus are halted then wait until the next IRQ */
8072 /* XXX: use timeout computed from timers */
8073 if (ret == EXCP_HALTED) {
8077 /* Advance virtual time to the next event. */
8078 if (use_icount == 1) {
8079 /* When not using an adaptive execution frequency
8080 we tend to get badly out of sync with real time,
8081 so just delay for a reasonable amount of time. */
8084 delta = cpu_get_icount() - cpu_get_clock();
8087 /* If virtual time is ahead of real time then just
8089 timeout = (delta / 1000000) + 1;
8091 /* Wait for either IO to occur or the next
8093 add = qemu_next_deadline();
8094 /* We advance the timer before checking for IO.
8095 Limit the amount we advance so that early IO
8096 activity won't get the guest too far ahead. */
8100 add = (add + (1 << icount_time_shift) - 1)
8101 >> icount_time_shift;
8103 timeout = delta / 1000000;
8114 if (shutdown_requested) {
8115 ret = EXCP_INTERRUPT;
8120 #ifdef CONFIG_PROFILER
8121 ti = profile_getclock();
8123 main_loop_wait(timeout);
8124 #ifdef CONFIG_PROFILER
8125 dev_time += profile_getclock() - ti;
8128 cpu_disable_ticks();
8132 static void help(int exitcode)
8134 printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n"
8135 "usage: %s [options] [disk_image]\n"
8137 "'disk_image' is a raw hard image image for IDE hard disk 0\n"
8139 "Standard options:\n"
8140 "-M machine select emulated machine (-M ? for list)\n"
8141 "-cpu cpu select CPU (-cpu ? for list)\n"
8142 "-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
8143 "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
8144 "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
8145 "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
8146 "-drive [file=file][,if=type][,bus=n][,unit=m][,media=d][,index=i]\n"
8147 " [,cyls=c,heads=h,secs=s[,trans=t]][,snapshot=on|off]\n"
8148 " [,cache=on|off][,format=f]\n"
8149 " use 'file' as a drive image\n"
8150 "-mtdblock file use 'file' as on-board Flash memory image\n"
8151 "-sd file use 'file' as SecureDigital card image\n"
8152 "-pflash file use 'file' as a parallel flash image\n"
8153 "-boot [a|c|d|n] boot on floppy (a), hard disk (c), CD-ROM (d), or network (n)\n"
8154 "-snapshot write to temporary files instead of disk image files\n"
8156 "-no-frame open SDL window without a frame and window decorations\n"
8157 "-alt-grab use Ctrl-Alt-Shift to grab mouse (instead of Ctrl-Alt)\n"
8158 "-no-quit disable SDL window close capability\n"
8161 "-no-fd-bootchk disable boot signature checking for floppy disks\n"
8163 "-m megs set virtual RAM size to megs MB [default=%d]\n"
8164 "-smp n set the number of CPUs to 'n' [default=1]\n"
8165 "-nographic disable graphical output and redirect serial I/Os to console\n"
8166 "-portrait rotate graphical output 90 deg left (only PXA LCD)\n"
8168 "-k language use keyboard layout (for example \"fr\" for French)\n"
8171 "-audio-help print list of audio drivers and their options\n"
8172 "-soundhw c1,... enable audio support\n"
8173 " and only specified sound cards (comma separated list)\n"
8174 " use -soundhw ? to get the list of supported cards\n"
8175 " use -soundhw all to enable all of them\n"
8177 "-vga [std|cirrus|vmware]\n"
8178 " select video card type\n"
8179 "-localtime set the real time clock to local time [default=utc]\n"
8180 "-full-screen start in full screen\n"
8182 "-win2k-hack use it when installing Windows 2000 to avoid a disk full bug\n"
8184 "-usb enable the USB driver (will be the default soon)\n"
8185 "-usbdevice name add the host or guest USB device 'name'\n"
8186 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
8187 "-g WxH[xDEPTH] Set the initial graphical resolution and depth\n"
8189 "-name string set the name of the guest\n"
8190 "-uuid %%08x-%%04x-%%04x-%%04x-%%012x specify machine UUID\n"
8192 "Network options:\n"
8193 "-net nic[,vlan=n][,macaddr=addr][,model=type]\n"
8194 " create a new Network Interface Card and connect it to VLAN 'n'\n"
8196 "-net user[,vlan=n][,hostname=host]\n"
8197 " connect the user mode network stack to VLAN 'n' and send\n"
8198 " hostname 'host' to DHCP clients\n"
8201 "-net tap[,vlan=n],ifname=name\n"
8202 " connect the host TAP network interface to VLAN 'n'\n"
8204 "-net tap[,vlan=n][,fd=h][,ifname=name][,script=file][,downscript=dfile]\n"
8205 " connect the host TAP network interface to VLAN 'n' and use the\n"
8206 " network scripts 'file' (default=%s)\n"
8207 " and 'dfile' (default=%s);\n"
8208 " use '[down]script=no' to disable script execution;\n"
8209 " use 'fd=h' to connect to an already opened TAP interface\n"
8211 "-net socket[,vlan=n][,fd=h][,listen=[host]:port][,connect=host:port]\n"
8212 " connect the vlan 'n' to another VLAN using a socket connection\n"
8213 "-net socket[,vlan=n][,fd=h][,mcast=maddr:port]\n"
8214 " connect the vlan 'n' to multicast maddr and port\n"
8216 "-net vde[,vlan=n][,sock=socketpath][,port=n][,group=groupname][,mode=octalmode]\n"
8217 " connect the vlan 'n' to port 'n' of a vde switch running\n"
8218 " on host and listening for incoming connections on 'socketpath'.\n"
8219 " Use group 'groupname' and mode 'octalmode' to change default\n"
8220 " ownership and permissions for communication port.\n"
8222 "-net none use it alone to have zero network devices; if no -net option\n"
8223 " is provided, the default is '-net nic -net user'\n"
8226 "-tftp dir allow tftp access to files in dir [-net user]\n"
8227 "-bootp file advertise file in BOOTP replies\n"
8229 "-smb dir allow SMB access to files in 'dir' [-net user]\n"
8231 "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
8232 " redirect TCP or UDP connections from host to guest [-net user]\n"
8235 "Linux boot specific:\n"
8236 "-kernel bzImage use 'bzImage' as kernel image\n"
8237 "-append cmdline use 'cmdline' as kernel command line\n"
8238 "-initrd file use 'file' as initial ram disk\n"
8240 "Debug/Expert options:\n"
8241 "-monitor dev redirect the monitor to char device 'dev'\n"
8242 "-serial dev redirect the serial port to char device 'dev'\n"
8243 "-parallel dev redirect the parallel port to char device 'dev'\n"
8244 "-pidfile file Write PID to 'file'\n"
8245 "-S freeze CPU at startup (use 'c' to start execution)\n"
8246 "-s wait gdb connection to port\n"
8247 "-p port set gdb connection port [default=%s]\n"
8248 "-d item1,... output log to %s (use -d ? for a list of log items)\n"
8249 "-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n"
8250 " translation (t=none or lba) (usually qemu can guess them)\n"
8251 "-L path set the directory for the BIOS, VGA BIOS and keymaps\n"
8253 "-kernel-kqemu enable KQEMU full virtualization (default is user mode only)\n"
8254 "-no-kqemu disable KQEMU kernel module usage\n"
8257 "-no-acpi disable ACPI\n"
8259 #ifdef CONFIG_CURSES
8260 "-curses use a curses/ncurses interface instead of SDL\n"
8262 "-no-reboot exit instead of rebooting\n"
8263 "-no-shutdown stop before shutdown\n"
8264 "-loadvm [tag|id] start right away with a saved state (loadvm in monitor)\n"
8265 "-vnc display start a VNC server on display\n"
8267 "-daemonize daemonize QEMU after initializing\n"
8269 "-option-rom rom load a file, rom, into the option ROM space\n"
8271 "-prom-env variable=value set OpenBIOS nvram variables\n"
8273 "-clock force the use of the given methods for timer alarm.\n"
8274 " To see what timers are available use -clock ?\n"
8275 "-startdate select initial date of the clock\n"
8276 "-icount [N|auto]\n"
8277 " Enable virtual instruction counter with 2^N clock ticks per instruction\n"
8279 "During emulation, the following keys are useful:\n"
8280 "ctrl-alt-f toggle full screen\n"
8281 "ctrl-alt-n switch to virtual console 'n'\n"
8282 "ctrl-alt toggle mouse and keyboard grab\n"
8284 "When using -nographic, press 'ctrl-a h' to get some help.\n"
8289 DEFAULT_NETWORK_SCRIPT,
8290 DEFAULT_NETWORK_DOWN_SCRIPT,
8292 DEFAULT_GDBSTUB_PORT,
8297 #define HAS_ARG 0x0001
8312 QEMU_OPTION_mtdblock,
8316 QEMU_OPTION_snapshot,
8318 QEMU_OPTION_no_fd_bootchk,
8321 QEMU_OPTION_nographic,
8322 QEMU_OPTION_portrait,
8324 QEMU_OPTION_audio_help,
8325 QEMU_OPTION_soundhw,
8346 QEMU_OPTION_localtime,
8350 QEMU_OPTION_monitor,
8352 QEMU_OPTION_parallel,
8354 QEMU_OPTION_full_screen,
8355 QEMU_OPTION_no_frame,
8356 QEMU_OPTION_alt_grab,
8357 QEMU_OPTION_no_quit,
8358 QEMU_OPTION_pidfile,
8359 QEMU_OPTION_no_kqemu,
8360 QEMU_OPTION_kernel_kqemu,
8361 QEMU_OPTION_win2k_hack,
8363 QEMU_OPTION_usbdevice,
8366 QEMU_OPTION_no_acpi,
8368 QEMU_OPTION_no_reboot,
8369 QEMU_OPTION_no_shutdown,
8370 QEMU_OPTION_show_cursor,
8371 QEMU_OPTION_daemonize,
8372 QEMU_OPTION_option_rom,
8373 QEMU_OPTION_semihosting,
8375 QEMU_OPTION_prom_env,
8376 QEMU_OPTION_old_param,
8378 QEMU_OPTION_startdate,
8379 QEMU_OPTION_tb_size,
8382 QEMU_OPTION_incoming,
8385 typedef struct QEMUOption {
8391 static const QEMUOption qemu_options[] = {
8392 { "h", 0, QEMU_OPTION_h },
8393 { "help", 0, QEMU_OPTION_h },
8395 { "M", HAS_ARG, QEMU_OPTION_M },
8396 { "cpu", HAS_ARG, QEMU_OPTION_cpu },
8397 { "fda", HAS_ARG, QEMU_OPTION_fda },
8398 { "fdb", HAS_ARG, QEMU_OPTION_fdb },
8399 { "hda", HAS_ARG, QEMU_OPTION_hda },
8400 { "hdb", HAS_ARG, QEMU_OPTION_hdb },
8401 { "hdc", HAS_ARG, QEMU_OPTION_hdc },
8402 { "hdd", HAS_ARG, QEMU_OPTION_hdd },
8403 { "drive", HAS_ARG, QEMU_OPTION_drive },
8404 { "cdrom", HAS_ARG, QEMU_OPTION_cdrom },
8405 { "mtdblock", HAS_ARG, QEMU_OPTION_mtdblock },
8406 { "sd", HAS_ARG, QEMU_OPTION_sd },
8407 { "pflash", HAS_ARG, QEMU_OPTION_pflash },
8408 { "boot", HAS_ARG, QEMU_OPTION_boot },
8409 { "snapshot", 0, QEMU_OPTION_snapshot },
8411 { "no-fd-bootchk", 0, QEMU_OPTION_no_fd_bootchk },
8413 { "m", HAS_ARG, QEMU_OPTION_m },
8414 { "nographic", 0, QEMU_OPTION_nographic },
8415 { "portrait", 0, QEMU_OPTION_portrait },
8416 { "k", HAS_ARG, QEMU_OPTION_k },
8418 { "audio-help", 0, QEMU_OPTION_audio_help },
8419 { "soundhw", HAS_ARG, QEMU_OPTION_soundhw },
8422 { "net", HAS_ARG, QEMU_OPTION_net},
8424 { "tftp", HAS_ARG, QEMU_OPTION_tftp },
8425 { "bootp", HAS_ARG, QEMU_OPTION_bootp },
8427 { "smb", HAS_ARG, QEMU_OPTION_smb },
8429 { "redir", HAS_ARG, QEMU_OPTION_redir },
8432 { "kernel", HAS_ARG, QEMU_OPTION_kernel },
8433 { "append", HAS_ARG, QEMU_OPTION_append },
8434 { "initrd", HAS_ARG, QEMU_OPTION_initrd },
8436 { "S", 0, QEMU_OPTION_S },
8437 { "s", 0, QEMU_OPTION_s },
8438 { "p", HAS_ARG, QEMU_OPTION_p },
8439 { "d", HAS_ARG, QEMU_OPTION_d },
8440 { "hdachs", HAS_ARG, QEMU_OPTION_hdachs },
8441 { "L", HAS_ARG, QEMU_OPTION_L },
8442 { "bios", HAS_ARG, QEMU_OPTION_bios },
8444 { "no-kqemu", 0, QEMU_OPTION_no_kqemu },
8445 { "kernel-kqemu", 0, QEMU_OPTION_kernel_kqemu },
8447 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
8448 { "g", 1, QEMU_OPTION_g },
8450 { "localtime", 0, QEMU_OPTION_localtime },
8451 { "vga", HAS_ARG, QEMU_OPTION_vga },
8452 { "echr", HAS_ARG, QEMU_OPTION_echr },
8453 { "monitor", HAS_ARG, QEMU_OPTION_monitor },
8454 { "serial", HAS_ARG, QEMU_OPTION_serial },
8455 { "parallel", HAS_ARG, QEMU_OPTION_parallel },
8456 { "loadvm", HAS_ARG, QEMU_OPTION_loadvm },
8457 { "full-screen", 0, QEMU_OPTION_full_screen },
8459 { "no-frame", 0, QEMU_OPTION_no_frame },
8460 { "alt-grab", 0, QEMU_OPTION_alt_grab },
8461 { "no-quit", 0, QEMU_OPTION_no_quit },
8463 { "pidfile", HAS_ARG, QEMU_OPTION_pidfile },
8464 { "win2k-hack", 0, QEMU_OPTION_win2k_hack },
8465 { "usbdevice", HAS_ARG, QEMU_OPTION_usbdevice },
8466 { "smp", HAS_ARG, QEMU_OPTION_smp },
8467 { "vnc", HAS_ARG, QEMU_OPTION_vnc },
8468 #ifdef CONFIG_CURSES
8469 { "curses", 0, QEMU_OPTION_curses },
8471 { "uuid", HAS_ARG, QEMU_OPTION_uuid },
8473 /* temporary options */
8474 { "usb", 0, QEMU_OPTION_usb },
8475 { "no-acpi", 0, QEMU_OPTION_no_acpi },
8476 { "no-reboot", 0, QEMU_OPTION_no_reboot },
8477 { "no-shutdown", 0, QEMU_OPTION_no_shutdown },
8478 { "show-cursor", 0, QEMU_OPTION_show_cursor },
8479 { "daemonize", 0, QEMU_OPTION_daemonize },
8480 { "option-rom", HAS_ARG, QEMU_OPTION_option_rom },
8481 #if defined(TARGET_ARM) || defined(TARGET_M68K)
8482 { "semihosting", 0, QEMU_OPTION_semihosting },
8484 { "name", HAS_ARG, QEMU_OPTION_name },
8485 #if defined(TARGET_SPARC)
8486 { "prom-env", HAS_ARG, QEMU_OPTION_prom_env },
8488 #if defined(TARGET_ARM)
8489 { "old-param", 0, QEMU_OPTION_old_param },
8491 { "clock", HAS_ARG, QEMU_OPTION_clock },
8492 { "startdate", HAS_ARG, QEMU_OPTION_startdate },
8493 { "tb-size", HAS_ARG, QEMU_OPTION_tb_size },
8494 { "icount", HAS_ARG, QEMU_OPTION_icount },
8495 { "incoming", HAS_ARG, QEMU_OPTION_incoming },
8499 /* password input */
8501 int qemu_key_check(BlockDriverState *bs, const char *name)
8506 if (!bdrv_is_encrypted(bs))
8509 term_printf("%s is encrypted.\n", name);
8510 for(i = 0; i < 3; i++) {
8511 monitor_readline("Password: ", 1, password, sizeof(password));
8512 if (bdrv_set_key(bs, password) == 0)
8514 term_printf("invalid password\n");
8519 static BlockDriverState *get_bdrv(int index)
8521 if (index > nb_drives)
8523 return drives_table[index].bdrv;
8526 static void read_passwords(void)
8528 BlockDriverState *bs;
8531 for(i = 0; i < 6; i++) {
8534 qemu_key_check(bs, bdrv_get_device_name(bs));
8539 struct soundhw soundhw[] = {
8540 #ifdef HAS_AUDIO_CHOICE
8541 #if defined(TARGET_I386) || defined(TARGET_MIPS)
8547 { .init_isa = pcspk_audio_init }
8552 "Creative Sound Blaster 16",
8555 { .init_isa = SB16_init }
8558 #ifdef CONFIG_CS4231A
8564 { .init_isa = cs4231a_init }
8572 "Yamaha YMF262 (OPL3)",
8574 "Yamaha YM3812 (OPL2)",
8578 { .init_isa = Adlib_init }
8585 "Gravis Ultrasound GF1",
8588 { .init_isa = GUS_init }
8595 "Intel 82801AA AC97 Audio",
8598 { .init_pci = ac97_init }
8604 "ENSONIQ AudioPCI ES1370",
8607 { .init_pci = es1370_init }
8611 { NULL, NULL, 0, 0, { NULL } }
8614 static void select_soundhw (const char *optarg)
8618 if (*optarg == '?') {
8621 printf ("Valid sound card names (comma separated):\n");
8622 for (c = soundhw; c->name; ++c) {
8623 printf ("%-11s %s\n", c->name, c->descr);
8625 printf ("\n-soundhw all will enable all of the above\n");
8626 exit (*optarg != '?');
8634 if (!strcmp (optarg, "all")) {
8635 for (c = soundhw; c->name; ++c) {
8643 e = strchr (p, ',');
8644 l = !e ? strlen (p) : (size_t) (e - p);
8646 for (c = soundhw; c->name; ++c) {
8647 if (!strncmp (c->name, p, l)) {
8656 "Unknown sound card name (too big to show)\n");
8659 fprintf (stderr, "Unknown sound card name `%.*s'\n",
8664 p += l + (e != NULL);
8668 goto show_valid_cards;
8673 static void select_vgahw (const char *p)
8677 if (strstart(p, "std", &opts)) {
8678 cirrus_vga_enabled = 0;
8680 } else if (strstart(p, "cirrus", &opts)) {
8681 cirrus_vga_enabled = 1;
8683 } else if (strstart(p, "vmware", &opts)) {
8684 cirrus_vga_enabled = 0;
8688 fprintf(stderr, "Unknown vga type: %s\n", p);
8692 const char *nextopt;
8694 if (strstart(opts, ",retrace=", &nextopt)) {
8696 if (strstart(opts, "dumb", &nextopt))
8697 vga_retrace_method = VGA_RETRACE_DUMB;
8698 else if (strstart(opts, "precise", &nextopt))
8699 vga_retrace_method = VGA_RETRACE_PRECISE;
8700 else goto invalid_vga;
8701 } else goto invalid_vga;
8707 static BOOL WINAPI qemu_ctrl_handler(DWORD type)
8709 exit(STATUS_CONTROL_C_EXIT);
8714 static int qemu_uuid_parse(const char *str, uint8_t *uuid)
8718 if(strlen(str) != 36)
8721 ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3],
8722 &uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9],
8723 &uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14], &uuid[15]);
8731 #define MAX_NET_CLIENTS 32
8735 static void termsig_handler(int signal)
8737 qemu_system_shutdown_request();
8740 static void termsig_setup(void)
8742 struct sigaction act;
8744 memset(&act, 0, sizeof(act));
8745 act.sa_handler = termsig_handler;
8746 sigaction(SIGINT, &act, NULL);
8747 sigaction(SIGHUP, &act, NULL);
8748 sigaction(SIGTERM, &act, NULL);
8753 int main(int argc, char **argv)
8755 #ifdef CONFIG_GDBSTUB
8757 const char *gdbstub_port;
8759 uint32_t boot_devices_bitmap = 0;
8761 int snapshot, linux_boot, net_boot;
8762 const char *initrd_filename;
8763 const char *kernel_filename, *kernel_cmdline;
8764 const char *boot_devices = "";
8765 DisplayState *ds = &display_state;
8766 int cyls, heads, secs, translation;
8767 const char *net_clients[MAX_NET_CLIENTS];
8771 const char *r, *optarg;
8772 CharDriverState *monitor_hd;
8773 const char *monitor_device;
8774 const char *serial_devices[MAX_SERIAL_PORTS];
8775 int serial_device_index;
8776 const char *parallel_devices[MAX_PARALLEL_PORTS];
8777 int parallel_device_index;
8778 const char *loadvm = NULL;
8779 QEMUMachine *machine;
8780 const char *cpu_model;
8781 const char *usb_devices[MAX_USB_CMDLINE];
8782 int usb_devices_index;
8785 const char *pid_file = NULL;
8788 const char *incoming = NULL;
8790 LIST_INIT (&vm_change_state_head);
8793 struct sigaction act;
8794 sigfillset(&act.sa_mask);
8796 act.sa_handler = SIG_IGN;
8797 sigaction(SIGPIPE, &act, NULL);
8800 SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE);
8801 /* Note: cpu_interrupt() is currently not SMP safe, so we force
8802 QEMU to run on a single CPU */
8807 h = GetCurrentProcess();
8808 if (GetProcessAffinityMask(h, &mask, &smask)) {
8809 for(i = 0; i < 32; i++) {
8810 if (mask & (1 << i))
8815 SetProcessAffinityMask(h, mask);
8821 register_machines();
8822 machine = first_machine;
8824 initrd_filename = NULL;
8826 vga_ram_size = VGA_RAM_SIZE;
8827 #ifdef CONFIG_GDBSTUB
8829 gdbstub_port = DEFAULT_GDBSTUB_PORT;
8834 kernel_filename = NULL;
8835 kernel_cmdline = "";
8836 cyls = heads = secs = 0;
8837 translation = BIOS_ATA_TRANSLATION_AUTO;
8838 monitor_device = "vc";
8840 serial_devices[0] = "vc:80Cx24C";
8841 for(i = 1; i < MAX_SERIAL_PORTS; i++)
8842 serial_devices[i] = NULL;
8843 serial_device_index = 0;
8845 parallel_devices[0] = "vc:640x480";
8846 for(i = 1; i < MAX_PARALLEL_PORTS; i++)
8847 parallel_devices[i] = NULL;
8848 parallel_device_index = 0;
8850 usb_devices_index = 0;
8868 hda_index = drive_add(argv[optind++], HD_ALIAS, 0);
8870 const QEMUOption *popt;
8873 /* Treat --foo the same as -foo. */
8876 popt = qemu_options;
8879 fprintf(stderr, "%s: invalid option -- '%s'\n",
8883 if (!strcmp(popt->name, r + 1))
8887 if (popt->flags & HAS_ARG) {
8888 if (optind >= argc) {
8889 fprintf(stderr, "%s: option '%s' requires an argument\n",
8893 optarg = argv[optind++];
8898 switch(popt->index) {
8900 machine = find_machine(optarg);
8903 printf("Supported machines are:\n");
8904 for(m = first_machine; m != NULL; m = m->next) {
8905 printf("%-10s %s%s\n",
8907 m == first_machine ? " (default)" : "");
8909 exit(*optarg != '?');
8912 case QEMU_OPTION_cpu:
8913 /* hw initialization will check this */
8914 if (*optarg == '?') {
8915 /* XXX: implement xxx_cpu_list for targets that still miss it */
8916 #if defined(cpu_list)
8917 cpu_list(stdout, &fprintf);
8924 case QEMU_OPTION_initrd:
8925 initrd_filename = optarg;
8927 case QEMU_OPTION_hda:
8929 hda_index = drive_add(optarg, HD_ALIAS, 0);
8931 hda_index = drive_add(optarg, HD_ALIAS
8932 ",cyls=%d,heads=%d,secs=%d%s",
8933 0, cyls, heads, secs,
8934 translation == BIOS_ATA_TRANSLATION_LBA ?
8936 translation == BIOS_ATA_TRANSLATION_NONE ?
8937 ",trans=none" : "");
8939 case QEMU_OPTION_hdb:
8940 case QEMU_OPTION_hdc:
8941 case QEMU_OPTION_hdd:
8942 drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda);
8944 case QEMU_OPTION_drive:
8945 drive_add(NULL, "%s", optarg);
8947 case QEMU_OPTION_mtdblock:
8948 drive_add(optarg, MTD_ALIAS);
8950 case QEMU_OPTION_sd:
8951 drive_add(optarg, SD_ALIAS);
8953 case QEMU_OPTION_pflash:
8954 drive_add(optarg, PFLASH_ALIAS);
8956 case QEMU_OPTION_snapshot:
8959 case QEMU_OPTION_hdachs:
8963 cyls = strtol(p, (char **)&p, 0);
8964 if (cyls < 1 || cyls > 16383)
8969 heads = strtol(p, (char **)&p, 0);
8970 if (heads < 1 || heads > 16)
8975 secs = strtol(p, (char **)&p, 0);
8976 if (secs < 1 || secs > 63)
8980 if (!strcmp(p, "none"))
8981 translation = BIOS_ATA_TRANSLATION_NONE;
8982 else if (!strcmp(p, "lba"))
8983 translation = BIOS_ATA_TRANSLATION_LBA;
8984 else if (!strcmp(p, "auto"))
8985 translation = BIOS_ATA_TRANSLATION_AUTO;
8988 } else if (*p != '\0') {
8990 fprintf(stderr, "qemu: invalid physical CHS format\n");
8993 if (hda_index != -1)
8994 snprintf(drives_opt[hda_index].opt,
8995 sizeof(drives_opt[hda_index].opt),
8996 HD_ALIAS ",cyls=%d,heads=%d,secs=%d%s",
8997 0, cyls, heads, secs,
8998 translation == BIOS_ATA_TRANSLATION_LBA ?
9000 translation == BIOS_ATA_TRANSLATION_NONE ?
9001 ",trans=none" : "");
9004 case QEMU_OPTION_nographic:
9007 #ifdef CONFIG_CURSES
9008 case QEMU_OPTION_curses:
9012 case QEMU_OPTION_portrait:
9015 case QEMU_OPTION_kernel:
9016 kernel_filename = optarg;
9018 case QEMU_OPTION_append:
9019 kernel_cmdline = optarg;
9021 case QEMU_OPTION_cdrom:
9022 drive_add(optarg, CDROM_ALIAS);
9024 case QEMU_OPTION_boot:
9025 boot_devices = optarg;
9026 /* We just do some generic consistency checks */
9028 /* Could easily be extended to 64 devices if needed */
9031 boot_devices_bitmap = 0;
9032 for (p = boot_devices; *p != '\0'; p++) {
9033 /* Allowed boot devices are:
9034 * a b : floppy disk drives
9035 * c ... f : IDE disk drives
9036 * g ... m : machine implementation dependant drives
9037 * n ... p : network devices
9038 * It's up to each machine implementation to check
9039 * if the given boot devices match the actual hardware
9040 * implementation and firmware features.
9042 if (*p < 'a' || *p > 'q') {
9043 fprintf(stderr, "Invalid boot device '%c'\n", *p);
9046 if (boot_devices_bitmap & (1 << (*p - 'a'))) {
9048 "Boot device '%c' was given twice\n",*p);
9051 boot_devices_bitmap |= 1 << (*p - 'a');
9055 case QEMU_OPTION_fda:
9056 case QEMU_OPTION_fdb:
9057 drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda);
9060 case QEMU_OPTION_no_fd_bootchk:
9064 case QEMU_OPTION_net:
9065 if (nb_net_clients >= MAX_NET_CLIENTS) {
9066 fprintf(stderr, "qemu: too many network clients\n");
9069 net_clients[nb_net_clients] = optarg;
9073 case QEMU_OPTION_tftp:
9074 tftp_prefix = optarg;
9076 case QEMU_OPTION_bootp:
9077 bootp_filename = optarg;
9080 case QEMU_OPTION_smb:
9081 net_slirp_smb(optarg);
9084 case QEMU_OPTION_redir:
9085 net_slirp_redir(optarg);
9089 case QEMU_OPTION_audio_help:
9093 case QEMU_OPTION_soundhw:
9094 select_soundhw (optarg);
9100 case QEMU_OPTION_m: {
9104 value = strtoul(optarg, &ptr, 10);
9106 case 0: case 'M': case 'm':
9113 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
9117 /* On 32-bit hosts, QEMU is limited by virtual address space */
9118 if (value > (2047 << 20)
9120 && HOST_LONG_BITS == 32
9123 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
9126 if (value != (uint64_t)(ram_addr_t)value) {
9127 fprintf(stderr, "qemu: ram size too large\n");
9136 const CPULogItem *item;
9138 mask = cpu_str_to_log_mask(optarg);
9140 printf("Log items (comma separated):\n");
9141 for(item = cpu_log_items; item->mask != 0; item++) {
9142 printf("%-10s %s\n", item->name, item->help);
9149 #ifdef CONFIG_GDBSTUB
9154 gdbstub_port = optarg;
9160 case QEMU_OPTION_bios:
9167 keyboard_layout = optarg;
9169 case QEMU_OPTION_localtime:
9172 case QEMU_OPTION_vga:
9173 select_vgahw (optarg);
9180 w = strtol(p, (char **)&p, 10);
9183 fprintf(stderr, "qemu: invalid resolution or depth\n");
9189 h = strtol(p, (char **)&p, 10);
9194 depth = strtol(p, (char **)&p, 10);
9195 if (depth != 8 && depth != 15 && depth != 16 &&
9196 depth != 24 && depth != 32)
9198 } else if (*p == '\0') {
9199 depth = graphic_depth;
9206 graphic_depth = depth;
9209 case QEMU_OPTION_echr:
9212 term_escape_char = strtol(optarg, &r, 0);
9214 printf("Bad argument to echr\n");
9217 case QEMU_OPTION_monitor:
9218 monitor_device = optarg;
9220 case QEMU_OPTION_serial:
9221 if (serial_device_index >= MAX_SERIAL_PORTS) {
9222 fprintf(stderr, "qemu: too many serial ports\n");
9225 serial_devices[serial_device_index] = optarg;
9226 serial_device_index++;
9228 case QEMU_OPTION_parallel:
9229 if (parallel_device_index >= MAX_PARALLEL_PORTS) {
9230 fprintf(stderr, "qemu: too many parallel ports\n");
9233 parallel_devices[parallel_device_index] = optarg;
9234 parallel_device_index++;
9236 case QEMU_OPTION_loadvm:
9239 case QEMU_OPTION_full_screen:
9243 case QEMU_OPTION_no_frame:
9246 case QEMU_OPTION_alt_grab:
9249 case QEMU_OPTION_no_quit:
9253 case QEMU_OPTION_pidfile:
9257 case QEMU_OPTION_win2k_hack:
9258 win2k_install_hack = 1;
9262 case QEMU_OPTION_no_kqemu:
9265 case QEMU_OPTION_kernel_kqemu:
9269 case QEMU_OPTION_usb:
9272 case QEMU_OPTION_usbdevice:
9274 if (usb_devices_index >= MAX_USB_CMDLINE) {
9275 fprintf(stderr, "Too many USB devices\n");
9278 usb_devices[usb_devices_index] = optarg;
9279 usb_devices_index++;
9281 case QEMU_OPTION_smp:
9282 smp_cpus = atoi(optarg);
9284 fprintf(stderr, "Invalid number of CPUs\n");
9288 case QEMU_OPTION_vnc:
9289 vnc_display = optarg;
9291 case QEMU_OPTION_no_acpi:
9294 case QEMU_OPTION_no_reboot:
9297 case QEMU_OPTION_no_shutdown:
9300 case QEMU_OPTION_show_cursor:
9303 case QEMU_OPTION_uuid:
9304 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
9305 fprintf(stderr, "Fail to parse UUID string."
9306 " Wrong format.\n");
9310 case QEMU_OPTION_daemonize:
9313 case QEMU_OPTION_option_rom:
9314 if (nb_option_roms >= MAX_OPTION_ROMS) {
9315 fprintf(stderr, "Too many option ROMs\n");
9318 option_rom[nb_option_roms] = optarg;
9321 case QEMU_OPTION_semihosting:
9322 semihosting_enabled = 1;
9324 case QEMU_OPTION_name:
9328 case QEMU_OPTION_prom_env:
9329 if (nb_prom_envs >= MAX_PROM_ENVS) {
9330 fprintf(stderr, "Too many prom variables\n");
9333 prom_envs[nb_prom_envs] = optarg;
9338 case QEMU_OPTION_old_param:
9342 case QEMU_OPTION_clock:
9343 configure_alarms(optarg);
9345 case QEMU_OPTION_startdate:
9348 time_t rtc_start_date;
9349 if (!strcmp(optarg, "now")) {
9350 rtc_date_offset = -1;
9352 if (sscanf(optarg, "%d-%d-%dT%d:%d:%d",
9360 } else if (sscanf(optarg, "%d-%d-%d",
9363 &tm.tm_mday) == 3) {
9372 rtc_start_date = mktimegm(&tm);
9373 if (rtc_start_date == -1) {
9375 fprintf(stderr, "Invalid date format. Valid format are:\n"
9376 "'now' or '2006-06-17T16:01:21' or '2006-06-17'\n");
9379 rtc_date_offset = time(NULL) - rtc_start_date;
9383 case QEMU_OPTION_tb_size:
9384 tb_size = strtol(optarg, NULL, 0);
9388 case QEMU_OPTION_icount:
9390 if (strcmp(optarg, "auto") == 0) {
9391 icount_time_shift = -1;
9393 icount_time_shift = strtol(optarg, NULL, 0);
9396 case QEMU_OPTION_incoming:
9403 if (smp_cpus > machine->max_cpus) {
9404 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
9405 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
9411 if (serial_device_index == 0)
9412 serial_devices[0] = "stdio";
9413 if (parallel_device_index == 0)
9414 parallel_devices[0] = "null";
9415 if (strncmp(monitor_device, "vc", 2) == 0)
9416 monitor_device = "stdio";
9423 if (pipe(fds) == -1)
9434 len = read(fds[0], &status, 1);
9435 if (len == -1 && (errno == EINTR))
9440 else if (status == 1) {
9441 fprintf(stderr, "Could not acquire pidfile\n");
9458 signal(SIGTSTP, SIG_IGN);
9459 signal(SIGTTOU, SIG_IGN);
9460 signal(SIGTTIN, SIG_IGN);
9464 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
9467 write(fds[1], &status, 1);
9469 fprintf(stderr, "Could not acquire pid file\n");
9477 linux_boot = (kernel_filename != NULL);
9478 net_boot = (boot_devices_bitmap >> ('n' - 'a')) & 0xF;
9480 if (!linux_boot && net_boot == 0 &&
9481 !machine->nodisk_ok && nb_drives_opt == 0)
9484 if (!linux_boot && *kernel_cmdline != '\0') {
9485 fprintf(stderr, "-append only allowed with -kernel option\n");
9489 if (!linux_boot && initrd_filename != NULL) {
9490 fprintf(stderr, "-initrd only allowed with -kernel option\n");
9494 /* boot to floppy or the default cd if no hard disk defined yet */
9495 if (!boot_devices[0]) {
9496 boot_devices = "cad";
9498 setvbuf(stdout, NULL, _IOLBF, 0);
9502 if (use_icount && icount_time_shift < 0) {
9504 /* 125MIPS seems a reasonable initial guess at the guest speed.
9505 It will be corrected fairly quickly anyway. */
9506 icount_time_shift = 3;
9507 init_icount_adjust();
9514 /* init network clients */
9515 if (nb_net_clients == 0) {
9516 /* if no clients, we use a default config */
9517 net_clients[nb_net_clients++] = "nic";
9519 net_clients[nb_net_clients++] = "user";
9523 for(i = 0;i < nb_net_clients; i++) {
9524 if (net_client_parse(net_clients[i]) < 0)
9527 for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) {
9528 if (vlan->nb_guest_devs == 0 && vlan->nb_host_devs == 0)
9530 if (vlan->nb_guest_devs == 0)
9531 fprintf(stderr, "Warning: vlan %d with no nics\n", vlan->id);
9532 if (vlan->nb_host_devs == 0)
9534 "Warning: vlan %d is not connected to host network\n",
9539 /* XXX: this should be moved in the PC machine instantiation code */
9540 if (net_boot != 0) {
9542 for (i = 0; i < nb_nics && i < 4; i++) {
9543 const char *model = nd_table[i].model;
9545 if (net_boot & (1 << i)) {
9548 snprintf(buf, sizeof(buf), "%s/pxe-%s.bin", bios_dir, model);
9549 if (get_image_size(buf) > 0) {
9550 if (nb_option_roms >= MAX_OPTION_ROMS) {
9551 fprintf(stderr, "Too many option ROMs\n");
9554 option_rom[nb_option_roms] = strdup(buf);
9561 fprintf(stderr, "No valid PXE rom found for network device\n");
9567 /* init the memory */
9568 phys_ram_size = machine->ram_require & ~RAMSIZE_FIXED;
9570 if (machine->ram_require & RAMSIZE_FIXED) {
9572 if (ram_size < phys_ram_size) {
9573 fprintf(stderr, "Machine `%s' requires %llu bytes of memory\n",
9574 machine->name, (unsigned long long) phys_ram_size);
9578 phys_ram_size = ram_size;
9580 ram_size = phys_ram_size;
9583 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
9585 phys_ram_size += ram_size;
9588 phys_ram_base = qemu_vmalloc(phys_ram_size);
9589 if (!phys_ram_base) {
9590 fprintf(stderr, "Could not allocate physical memory\n");
9594 /* init the dynamic translator */
9595 cpu_exec_init_all(tb_size * 1024 * 1024);
9599 /* we always create the cdrom drive, even if no disk is there */
9601 if (nb_drives_opt < MAX_DRIVES)
9602 drive_add(NULL, CDROM_ALIAS);
9604 /* we always create at least one floppy */
9606 if (nb_drives_opt < MAX_DRIVES)
9607 drive_add(NULL, FD_ALIAS, 0);
9609 /* we always create one sd slot, even if no card is in it */
9611 if (nb_drives_opt < MAX_DRIVES)
9612 drive_add(NULL, SD_ALIAS);
9614 /* open the virtual block devices */
9616 for(i = 0; i < nb_drives_opt; i++)
9617 if (drive_init(&drives_opt[i], snapshot, machine) == -1)
9620 register_savevm("timer", 0, 2, timer_save, timer_load, NULL);
9621 register_savevm_live("ram", 0, 3, ram_save_live, NULL, ram_load, NULL);
9624 memset(&display_state, 0, sizeof(display_state));
9627 fprintf(stderr, "fatal: -nographic can't be used with -curses\n");
9630 /* nearly nothing to do */
9631 dumb_display_init(ds);
9632 } else if (vnc_display != NULL) {
9633 vnc_display_init(ds);
9634 if (vnc_display_open(ds, vnc_display) < 0)
9637 #if defined(CONFIG_CURSES)
9639 curses_display_init(ds, full_screen);
9643 #if defined(CONFIG_SDL)
9644 sdl_display_init(ds, full_screen, no_frame);
9645 #elif defined(CONFIG_COCOA)
9646 cocoa_display_init(ds, full_screen);
9648 dumb_display_init(ds);
9653 /* must be after terminal init, SDL library changes signal handlers */
9657 /* Maintain compatibility with multiple stdio monitors */
9658 if (!strcmp(monitor_device,"stdio")) {
9659 for (i = 0; i < MAX_SERIAL_PORTS; i++) {
9660 const char *devname = serial_devices[i];
9661 if (devname && !strcmp(devname,"mon:stdio")) {
9662 monitor_device = NULL;
9664 } else if (devname && !strcmp(devname,"stdio")) {
9665 monitor_device = NULL;
9666 serial_devices[i] = "mon:stdio";
9671 if (monitor_device) {
9672 monitor_hd = qemu_chr_open(monitor_device);
9674 fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device);
9677 monitor_init(monitor_hd, !nographic);
9680 for(i = 0; i < MAX_SERIAL_PORTS; i++) {
9681 const char *devname = serial_devices[i];
9682 if (devname && strcmp(devname, "none")) {
9683 serial_hds[i] = qemu_chr_open(devname);
9684 if (!serial_hds[i]) {
9685 fprintf(stderr, "qemu: could not open serial device '%s'\n",
9689 if (strstart(devname, "vc", 0))
9690 qemu_chr_printf(serial_hds[i], "serial%d console\r\n", i);
9694 for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
9695 const char *devname = parallel_devices[i];
9696 if (devname && strcmp(devname, "none")) {
9697 parallel_hds[i] = qemu_chr_open(devname);
9698 if (!parallel_hds[i]) {
9699 fprintf(stderr, "qemu: could not open parallel device '%s'\n",
9703 if (strstart(devname, "vc", 0))
9704 qemu_chr_printf(parallel_hds[i], "parallel%d console\r\n", i);
9708 machine->init(ram_size, vga_ram_size, boot_devices, ds,
9709 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
9711 /* init USB devices */
9713 for(i = 0; i < usb_devices_index; i++) {
9714 if (usb_device_add(usb_devices[i]) < 0) {
9715 fprintf(stderr, "Warning: could not add USB device %s\n",
9721 if (display_state.dpy_refresh) {
9722 display_state.gui_timer = qemu_new_timer(rt_clock, gui_update, &display_state);
9723 qemu_mod_timer(display_state.gui_timer, qemu_get_clock(rt_clock));
9726 #ifdef CONFIG_GDBSTUB
9728 /* XXX: use standard host:port notation and modify options
9730 if (gdbserver_start(gdbstub_port) < 0) {
9731 fprintf(stderr, "qemu: could not open gdbstub device on port '%s'\n",
9742 autostart = 0; /* fixme how to deal with -daemonize */
9743 qemu_start_incoming_migration(incoming);
9747 /* XXX: simplify init */
9760 len = write(fds[1], &status, 1);
9761 if (len == -1 && (errno == EINTR))
9768 TFR(fd = open("/dev/null", O_RDWR));
9782 #if !defined(_WIN32)
9783 /* close network clients */
9784 for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) {
9785 VLANClientState *vc;
9787 for(vc = vlan->first_client; vc != NULL; vc = vc->next) {
9788 if (vc->fd_read == tap_receive) {
9790 TAPState *s = vc->opaque;
9792 if (sscanf(vc->info_str, "tap: ifname=%63s ", ifname) == 1 &&
9794 launch_script(s->down_script, ifname, s->fd);
9796 #if defined(CONFIG_VDE)
9797 if (vc->fd_read == vde_from_qemu) {
9798 VDEState *s = vc->opaque;