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"
53 #include <sys/times.h>
57 #include <sys/ioctl.h>
58 #include <sys/socket.h>
59 #include <netinet/in.h>
62 #include <sys/select.h>
63 #include <arpa/inet.h>
66 #if !defined(__APPLE__) && !defined(__OpenBSD__)
72 #elif defined (__GLIBC__) && defined (__FreeBSD_kernel__)
73 #include <freebsd/stdlib.h>
77 #include <linux/if_tun.h>
80 #include <linux/rtc.h>
82 /* For the benefit of older linux systems which don't supply it,
83 we use a local copy of hpet.h. */
84 /* #include <linux/hpet.h> */
87 #include <linux/ppdev.h>
88 #include <linux/parport.h>
92 #include <sys/ethernet.h>
93 #include <sys/sockio.h>
94 #include <netinet/arp.h>
95 #include <netinet/in.h>
96 #include <netinet/in_systm.h>
97 #include <netinet/ip.h>
98 #include <netinet/ip_icmp.h> // must come after ip.h
99 #include <netinet/udp.h>
100 #include <netinet/tcp.h>
108 #include "qemu_socket.h"
110 #if defined(CONFIG_SLIRP)
111 #include "libslirp.h"
114 #if defined(__OpenBSD__)
118 #if defined(CONFIG_VDE)
119 #include <libvdeplug.h>
124 #include <sys/timeb.h>
125 #include <mmsystem.h>
126 #define getopt_long_only getopt_long
127 #define memalign(align, size) malloc(size)
134 #endif /* CONFIG_SDL */
138 #define main qemu_main
139 #endif /* CONFIG_COCOA */
143 #include "exec-all.h"
145 #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
146 #define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown"
148 #define SMBD_COMMAND "/usr/sfw/sbin/smbd"
150 #define SMBD_COMMAND "/usr/sbin/smbd"
153 //#define DEBUG_UNUSED_IOPORT
154 //#define DEBUG_IOPORT
156 //#define DEBUG_SLIRP
159 #define DEFAULT_RAM_SIZE 144
161 #define DEFAULT_RAM_SIZE 128
164 /* Max number of USB devices that can be specified on the commandline. */
165 #define MAX_USB_CMDLINE 8
167 /* XXX: use a two level table to limit memory usage */
168 #define MAX_IOPORTS 65536
170 const char *bios_dir = CONFIG_QEMU_SHAREDIR;
171 const char *bios_name = NULL;
172 static void *ioport_opaque[MAX_IOPORTS];
173 static IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS];
174 static IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS];
175 /* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available
176 to store the VM snapshots */
177 DriveInfo drives_table[MAX_DRIVES+1];
179 /* point to the block driver where the snapshots are managed */
180 static BlockDriverState *bs_snapshots;
181 static int vga_ram_size;
182 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
183 DisplayState display_state;
186 const char* keyboard_layout = NULL;
187 int64_t ticks_per_sec;
190 NICInfo nd_table[MAX_NICS];
192 static int rtc_utc = 1;
193 static int rtc_date_offset = -1; /* -1 means no change */
194 int cirrus_vga_enabled = 1;
195 int vmsvga_enabled = 0;
197 int graphic_width = 1024;
198 int graphic_height = 768;
199 int graphic_depth = 8;
201 int graphic_width = 800;
202 int graphic_height = 600;
203 int graphic_depth = 15;
205 static int full_screen = 0;
206 static int no_frame = 0;
208 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
209 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
211 int win2k_install_hack = 0;
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 /***********************************************************/
256 /* x86 ISA bus support */
258 target_phys_addr_t isa_mem_base = 0;
261 static IOPortReadFunc default_ioport_readb, default_ioport_readw, default_ioport_readl;
262 static IOPortWriteFunc default_ioport_writeb, default_ioport_writew, default_ioport_writel;
264 static uint32_t ioport_read(int index, uint32_t address)
266 static IOPortReadFunc *default_func[3] = {
267 default_ioport_readb,
268 default_ioport_readw,
271 IOPortReadFunc *func = ioport_read_table[index][address];
273 func = default_func[index];
274 return func(ioport_opaque[address], address);
277 static void ioport_write(int index, uint32_t address, uint32_t data)
279 static IOPortWriteFunc *default_func[3] = {
280 default_ioport_writeb,
281 default_ioport_writew,
282 default_ioport_writel
284 IOPortWriteFunc *func = ioport_write_table[index][address];
286 func = default_func[index];
287 func(ioport_opaque[address], address, data);
290 static uint32_t default_ioport_readb(void *opaque, uint32_t address)
292 #ifdef DEBUG_UNUSED_IOPORT
293 fprintf(stderr, "unused inb: port=0x%04x\n", address);
298 static void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data)
300 #ifdef DEBUG_UNUSED_IOPORT
301 fprintf(stderr, "unused outb: port=0x%04x data=0x%02x\n", address, data);
305 /* default is to make two byte accesses */
306 static uint32_t default_ioport_readw(void *opaque, uint32_t address)
309 data = ioport_read(0, address);
310 address = (address + 1) & (MAX_IOPORTS - 1);
311 data |= ioport_read(0, address) << 8;
315 static void default_ioport_writew(void *opaque, uint32_t address, uint32_t data)
317 ioport_write(0, address, data & 0xff);
318 address = (address + 1) & (MAX_IOPORTS - 1);
319 ioport_write(0, address, (data >> 8) & 0xff);
322 static uint32_t default_ioport_readl(void *opaque, uint32_t address)
324 #ifdef DEBUG_UNUSED_IOPORT
325 fprintf(stderr, "unused inl: port=0x%04x\n", address);
330 static void default_ioport_writel(void *opaque, uint32_t address, uint32_t data)
332 #ifdef DEBUG_UNUSED_IOPORT
333 fprintf(stderr, "unused outl: port=0x%04x data=0x%02x\n", address, data);
337 /* size is the word size in byte */
338 int register_ioport_read(int start, int length, int size,
339 IOPortReadFunc *func, void *opaque)
345 } else if (size == 2) {
347 } else if (size == 4) {
350 hw_error("register_ioport_read: invalid size");
353 for(i = start; i < start + length; i += size) {
354 ioport_read_table[bsize][i] = func;
355 if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
356 hw_error("register_ioport_read: invalid opaque");
357 ioport_opaque[i] = opaque;
362 /* size is the word size in byte */
363 int register_ioport_write(int start, int length, int size,
364 IOPortWriteFunc *func, void *opaque)
370 } else if (size == 2) {
372 } else if (size == 4) {
375 hw_error("register_ioport_write: invalid size");
378 for(i = start; i < start + length; i += size) {
379 ioport_write_table[bsize][i] = func;
380 if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
381 hw_error("register_ioport_write: invalid opaque");
382 ioport_opaque[i] = opaque;
387 void isa_unassign_ioport(int start, int length)
391 for(i = start; i < start + length; i++) {
392 ioport_read_table[0][i] = default_ioport_readb;
393 ioport_read_table[1][i] = default_ioport_readw;
394 ioport_read_table[2][i] = default_ioport_readl;
396 ioport_write_table[0][i] = default_ioport_writeb;
397 ioport_write_table[1][i] = default_ioport_writew;
398 ioport_write_table[2][i] = default_ioport_writel;
402 /***********************************************************/
404 void cpu_outb(CPUState *env, int addr, int val)
407 if (loglevel & CPU_LOG_IOPORT)
408 fprintf(logfile, "outb: %04x %02x\n", addr, val);
410 ioport_write(0, addr, val);
413 env->last_io_time = cpu_get_time_fast();
417 void cpu_outw(CPUState *env, int addr, int val)
420 if (loglevel & CPU_LOG_IOPORT)
421 fprintf(logfile, "outw: %04x %04x\n", addr, val);
423 ioport_write(1, addr, val);
426 env->last_io_time = cpu_get_time_fast();
430 void cpu_outl(CPUState *env, int addr, int val)
433 if (loglevel & CPU_LOG_IOPORT)
434 fprintf(logfile, "outl: %04x %08x\n", addr, val);
436 ioport_write(2, addr, val);
439 env->last_io_time = cpu_get_time_fast();
443 int cpu_inb(CPUState *env, int addr)
446 val = ioport_read(0, addr);
448 if (loglevel & CPU_LOG_IOPORT)
449 fprintf(logfile, "inb : %04x %02x\n", addr, val);
453 env->last_io_time = cpu_get_time_fast();
458 int cpu_inw(CPUState *env, int addr)
461 val = ioport_read(1, addr);
463 if (loglevel & CPU_LOG_IOPORT)
464 fprintf(logfile, "inw : %04x %04x\n", addr, val);
468 env->last_io_time = cpu_get_time_fast();
473 int cpu_inl(CPUState *env, int addr)
476 val = ioport_read(2, addr);
478 if (loglevel & CPU_LOG_IOPORT)
479 fprintf(logfile, "inl : %04x %08x\n", addr, val);
483 env->last_io_time = cpu_get_time_fast();
488 /***********************************************************/
489 void hw_error(const char *fmt, ...)
495 fprintf(stderr, "qemu: hardware error: ");
496 vfprintf(stderr, fmt, ap);
497 fprintf(stderr, "\n");
498 for(env = first_cpu; env != NULL; env = env->next_cpu) {
499 fprintf(stderr, "CPU #%d:\n", env->cpu_index);
501 cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU);
503 cpu_dump_state(env, stderr, fprintf, 0);
510 /***********************************************************/
513 static QEMUPutKBDEvent *qemu_put_kbd_event;
514 static void *qemu_put_kbd_event_opaque;
515 static QEMUPutMouseEntry *qemu_put_mouse_event_head;
516 static QEMUPutMouseEntry *qemu_put_mouse_event_current;
518 void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
520 qemu_put_kbd_event_opaque = opaque;
521 qemu_put_kbd_event = func;
524 QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func,
525 void *opaque, int absolute,
528 QEMUPutMouseEntry *s, *cursor;
530 s = qemu_mallocz(sizeof(QEMUPutMouseEntry));
534 s->qemu_put_mouse_event = func;
535 s->qemu_put_mouse_event_opaque = opaque;
536 s->qemu_put_mouse_event_absolute = absolute;
537 s->qemu_put_mouse_event_name = qemu_strdup(name);
540 if (!qemu_put_mouse_event_head) {
541 qemu_put_mouse_event_head = qemu_put_mouse_event_current = s;
545 cursor = qemu_put_mouse_event_head;
546 while (cursor->next != NULL)
547 cursor = cursor->next;
550 qemu_put_mouse_event_current = s;
555 void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry)
557 QEMUPutMouseEntry *prev = NULL, *cursor;
559 if (!qemu_put_mouse_event_head || entry == NULL)
562 cursor = qemu_put_mouse_event_head;
563 while (cursor != NULL && cursor != entry) {
565 cursor = cursor->next;
568 if (cursor == NULL) // does not exist or list empty
570 else if (prev == NULL) { // entry is head
571 qemu_put_mouse_event_head = cursor->next;
572 if (qemu_put_mouse_event_current == entry)
573 qemu_put_mouse_event_current = cursor->next;
574 qemu_free(entry->qemu_put_mouse_event_name);
579 prev->next = entry->next;
581 if (qemu_put_mouse_event_current == entry)
582 qemu_put_mouse_event_current = prev;
584 qemu_free(entry->qemu_put_mouse_event_name);
588 void kbd_put_keycode(int keycode)
590 if (qemu_put_kbd_event) {
591 qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode);
595 void kbd_mouse_event(int dx, int dy, int dz, int buttons_state)
597 QEMUPutMouseEvent *mouse_event;
598 void *mouse_event_opaque;
601 if (!qemu_put_mouse_event_current) {
606 qemu_put_mouse_event_current->qemu_put_mouse_event;
608 qemu_put_mouse_event_current->qemu_put_mouse_event_opaque;
611 if (graphic_rotate) {
612 if (qemu_put_mouse_event_current->qemu_put_mouse_event_absolute)
615 width = graphic_width - 1;
616 mouse_event(mouse_event_opaque,
617 width - dy, dx, dz, buttons_state);
619 mouse_event(mouse_event_opaque,
620 dx, dy, dz, buttons_state);
624 int kbd_mouse_is_absolute(void)
626 if (!qemu_put_mouse_event_current)
629 return qemu_put_mouse_event_current->qemu_put_mouse_event_absolute;
632 void do_info_mice(void)
634 QEMUPutMouseEntry *cursor;
637 if (!qemu_put_mouse_event_head) {
638 term_printf("No mouse devices connected\n");
642 term_printf("Mouse devices available:\n");
643 cursor = qemu_put_mouse_event_head;
644 while (cursor != NULL) {
645 term_printf("%c Mouse #%d: %s\n",
646 (cursor == qemu_put_mouse_event_current ? '*' : ' '),
647 index, cursor->qemu_put_mouse_event_name);
649 cursor = cursor->next;
653 void do_mouse_set(int index)
655 QEMUPutMouseEntry *cursor;
658 if (!qemu_put_mouse_event_head) {
659 term_printf("No mouse devices connected\n");
663 cursor = qemu_put_mouse_event_head;
664 while (cursor != NULL && index != i) {
666 cursor = cursor->next;
670 qemu_put_mouse_event_current = cursor;
672 term_printf("Mouse at given index not found\n");
675 /* compute with 96 bit intermediate result: (a*b)/c */
676 uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
681 #ifdef WORDS_BIGENDIAN
691 rl = (uint64_t)u.l.low * (uint64_t)b;
692 rh = (uint64_t)u.l.high * (uint64_t)b;
695 res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
699 /***********************************************************/
700 /* real time host monotonic timer */
702 #define QEMU_TIMER_BASE 1000000000LL
706 static int64_t clock_freq;
708 static void init_get_clock(void)
712 ret = QueryPerformanceFrequency(&freq);
714 fprintf(stderr, "Could not calibrate ticks\n");
717 clock_freq = freq.QuadPart;
720 static int64_t get_clock(void)
723 QueryPerformanceCounter(&ti);
724 return muldiv64(ti.QuadPart, QEMU_TIMER_BASE, clock_freq);
729 static int use_rt_clock;
731 static void init_get_clock(void)
734 #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000)
737 if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) {
744 static int64_t get_clock(void)
746 #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000)
749 clock_gettime(CLOCK_MONOTONIC, &ts);
750 return ts.tv_sec * 1000000000LL + ts.tv_nsec;
754 /* XXX: using gettimeofday leads to problems if the date
755 changes, so it should be avoided. */
757 gettimeofday(&tv, NULL);
758 return tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000);
763 /* Return the virtual CPU time, based on the instruction counter. */
764 static int64_t cpu_get_icount(void)
767 CPUState *env = cpu_single_env;;
768 icount = qemu_icount;
771 fprintf(stderr, "Bad clock read\n");
772 icount -= (env->icount_decr.u16.low + env->icount_extra);
774 return qemu_icount_bias + (icount << icount_time_shift);
777 /***********************************************************/
778 /* guest cycle counter */
780 static int64_t cpu_ticks_prev;
781 static int64_t cpu_ticks_offset;
782 static int64_t cpu_clock_offset;
783 static int cpu_ticks_enabled;
785 /* return the host CPU cycle counter and handle stop/restart */
786 int64_t cpu_get_ticks(void)
789 return cpu_get_icount();
791 if (!cpu_ticks_enabled) {
792 return cpu_ticks_offset;
795 ticks = cpu_get_real_ticks();
796 if (cpu_ticks_prev > ticks) {
797 /* Note: non increasing ticks may happen if the host uses
799 cpu_ticks_offset += cpu_ticks_prev - ticks;
801 cpu_ticks_prev = ticks;
802 return ticks + cpu_ticks_offset;
806 /* return the host CPU monotonic timer and handle stop/restart */
807 static int64_t cpu_get_clock(void)
810 if (!cpu_ticks_enabled) {
811 return cpu_clock_offset;
814 return ti + cpu_clock_offset;
818 /* enable cpu_get_ticks() */
819 void cpu_enable_ticks(void)
821 if (!cpu_ticks_enabled) {
822 cpu_ticks_offset -= cpu_get_real_ticks();
823 cpu_clock_offset -= get_clock();
824 cpu_ticks_enabled = 1;
828 /* disable cpu_get_ticks() : the clock is stopped. You must not call
829 cpu_get_ticks() after that. */
830 void cpu_disable_ticks(void)
832 if (cpu_ticks_enabled) {
833 cpu_ticks_offset = cpu_get_ticks();
834 cpu_clock_offset = cpu_get_clock();
835 cpu_ticks_enabled = 0;
839 /***********************************************************/
842 #define QEMU_TIMER_REALTIME 0
843 #define QEMU_TIMER_VIRTUAL 1
847 /* XXX: add frequency */
855 struct QEMUTimer *next;
858 struct qemu_alarm_timer {
862 int (*start)(struct qemu_alarm_timer *t);
863 void (*stop)(struct qemu_alarm_timer *t);
864 void (*rearm)(struct qemu_alarm_timer *t);
868 #define ALARM_FLAG_DYNTICKS 0x1
869 #define ALARM_FLAG_EXPIRED 0x2
871 static inline int alarm_has_dynticks(struct qemu_alarm_timer *t)
873 return t->flags & ALARM_FLAG_DYNTICKS;
876 static void qemu_rearm_alarm_timer(struct qemu_alarm_timer *t)
878 if (!alarm_has_dynticks(t))
884 /* TODO: MIN_TIMER_REARM_US should be optimized */
885 #define MIN_TIMER_REARM_US 250
887 static struct qemu_alarm_timer *alarm_timer;
888 static int alarm_timer_rfd, alarm_timer_wfd;
892 struct qemu_alarm_win32 {
896 } alarm_win32_data = {0, NULL, -1};
898 static int win32_start_timer(struct qemu_alarm_timer *t);
899 static void win32_stop_timer(struct qemu_alarm_timer *t);
900 static void win32_rearm_timer(struct qemu_alarm_timer *t);
904 static int unix_start_timer(struct qemu_alarm_timer *t);
905 static void unix_stop_timer(struct qemu_alarm_timer *t);
909 static int dynticks_start_timer(struct qemu_alarm_timer *t);
910 static void dynticks_stop_timer(struct qemu_alarm_timer *t);
911 static void dynticks_rearm_timer(struct qemu_alarm_timer *t);
913 static int hpet_start_timer(struct qemu_alarm_timer *t);
914 static void hpet_stop_timer(struct qemu_alarm_timer *t);
916 static int rtc_start_timer(struct qemu_alarm_timer *t);
917 static void rtc_stop_timer(struct qemu_alarm_timer *t);
919 #endif /* __linux__ */
923 /* Correlation between real and virtual time is always going to be
924 fairly approximate, so ignore small variation.
925 When the guest is idle real and virtual time will be aligned in
927 #define ICOUNT_WOBBLE (QEMU_TIMER_BASE / 10)
929 static void icount_adjust(void)
934 static int64_t last_delta;
935 /* If the VM is not running, then do nothing. */
939 cur_time = cpu_get_clock();
940 cur_icount = qemu_get_clock(vm_clock);
941 delta = cur_icount - cur_time;
942 /* FIXME: This is a very crude algorithm, somewhat prone to oscillation. */
944 && last_delta + ICOUNT_WOBBLE < delta * 2
945 && icount_time_shift > 0) {
946 /* The guest is getting too far ahead. Slow time down. */
950 && last_delta - ICOUNT_WOBBLE > delta * 2
951 && icount_time_shift < MAX_ICOUNT_SHIFT) {
952 /* The guest is getting too far behind. Speed time up. */
956 qemu_icount_bias = cur_icount - (qemu_icount << icount_time_shift);
959 static void icount_adjust_rt(void * opaque)
961 qemu_mod_timer(icount_rt_timer,
962 qemu_get_clock(rt_clock) + 1000);
966 static void icount_adjust_vm(void * opaque)
968 qemu_mod_timer(icount_vm_timer,
969 qemu_get_clock(vm_clock) + QEMU_TIMER_BASE / 10);
973 static void init_icount_adjust(void)
975 /* Have both realtime and virtual time triggers for speed adjustment.
976 The realtime trigger catches emulated time passing too slowly,
977 the virtual time trigger catches emulated time passing too fast.
978 Realtime triggers occur even when idle, so use them less frequently
980 icount_rt_timer = qemu_new_timer(rt_clock, icount_adjust_rt, NULL);
981 qemu_mod_timer(icount_rt_timer,
982 qemu_get_clock(rt_clock) + 1000);
983 icount_vm_timer = qemu_new_timer(vm_clock, icount_adjust_vm, NULL);
984 qemu_mod_timer(icount_vm_timer,
985 qemu_get_clock(vm_clock) + QEMU_TIMER_BASE / 10);
988 static struct qemu_alarm_timer alarm_timers[] = {
991 {"dynticks", ALARM_FLAG_DYNTICKS, dynticks_start_timer,
992 dynticks_stop_timer, dynticks_rearm_timer, NULL},
993 /* HPET - if available - is preferred */
994 {"hpet", 0, hpet_start_timer, hpet_stop_timer, NULL, NULL},
995 /* ...otherwise try RTC */
996 {"rtc", 0, rtc_start_timer, rtc_stop_timer, NULL, NULL},
998 {"unix", 0, unix_start_timer, unix_stop_timer, NULL, NULL},
1000 {"dynticks", ALARM_FLAG_DYNTICKS, win32_start_timer,
1001 win32_stop_timer, win32_rearm_timer, &alarm_win32_data},
1002 {"win32", 0, win32_start_timer,
1003 win32_stop_timer, NULL, &alarm_win32_data},
1008 static void show_available_alarms(void)
1012 printf("Available alarm timers, in order of precedence:\n");
1013 for (i = 0; alarm_timers[i].name; i++)
1014 printf("%s\n", alarm_timers[i].name);
1017 static void configure_alarms(char const *opt)
1021 int count = (sizeof(alarm_timers) / sizeof(*alarm_timers)) - 1;
1024 struct qemu_alarm_timer tmp;
1026 if (!strcmp(opt, "?")) {
1027 show_available_alarms();
1033 /* Reorder the array */
1034 name = strtok(arg, ",");
1036 for (i = 0; i < count && alarm_timers[i].name; i++) {
1037 if (!strcmp(alarm_timers[i].name, name))
1042 fprintf(stderr, "Unknown clock %s\n", name);
1051 tmp = alarm_timers[i];
1052 alarm_timers[i] = alarm_timers[cur];
1053 alarm_timers[cur] = tmp;
1057 name = strtok(NULL, ",");
1063 /* Disable remaining timers */
1064 for (i = cur; i < count; i++)
1065 alarm_timers[i].name = NULL;
1067 show_available_alarms();
1072 QEMUClock *rt_clock;
1073 QEMUClock *vm_clock;
1075 static QEMUTimer *active_timers[2];
1077 static QEMUClock *qemu_new_clock(int type)
1080 clock = qemu_mallocz(sizeof(QEMUClock));
1087 QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque)
1091 ts = qemu_mallocz(sizeof(QEMUTimer));
1094 ts->opaque = opaque;
1098 void qemu_free_timer(QEMUTimer *ts)
1103 /* stop a timer, but do not dealloc it */
1104 void qemu_del_timer(QEMUTimer *ts)
1108 /* NOTE: this code must be signal safe because
1109 qemu_timer_expired() can be called from a signal. */
1110 pt = &active_timers[ts->clock->type];
1123 /* modify the current timer so that it will be fired when current_time
1124 >= expire_time. The corresponding callback will be called. */
1125 void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time)
1131 /* add the timer in the sorted list */
1132 /* NOTE: this code must be signal safe because
1133 qemu_timer_expired() can be called from a signal. */
1134 pt = &active_timers[ts->clock->type];
1139 if (t->expire_time > expire_time)
1143 ts->expire_time = expire_time;
1147 /* Rearm if necessary */
1148 if (pt == &active_timers[ts->clock->type]) {
1149 if ((alarm_timer->flags & ALARM_FLAG_EXPIRED) == 0) {
1150 qemu_rearm_alarm_timer(alarm_timer);
1152 /* Interrupt execution to force deadline recalculation. */
1153 if (use_icount && cpu_single_env) {
1154 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
1159 int qemu_timer_pending(QEMUTimer *ts)
1162 for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) {
1169 static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time)
1173 return (timer_head->expire_time <= current_time);
1176 static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time)
1182 if (!ts || ts->expire_time > current_time)
1184 /* remove timer from the list before calling the callback */
1185 *ptimer_head = ts->next;
1188 /* run the callback (the timer list can be modified) */
1193 int64_t qemu_get_clock(QEMUClock *clock)
1195 switch(clock->type) {
1196 case QEMU_TIMER_REALTIME:
1197 return get_clock() / 1000000;
1199 case QEMU_TIMER_VIRTUAL:
1201 return cpu_get_icount();
1203 return cpu_get_clock();
1208 static void init_timers(void)
1211 ticks_per_sec = QEMU_TIMER_BASE;
1212 rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME);
1213 vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL);
1217 void qemu_put_timer(QEMUFile *f, QEMUTimer *ts)
1219 uint64_t expire_time;
1221 if (qemu_timer_pending(ts)) {
1222 expire_time = ts->expire_time;
1226 qemu_put_be64(f, expire_time);
1229 void qemu_get_timer(QEMUFile *f, QEMUTimer *ts)
1231 uint64_t expire_time;
1233 expire_time = qemu_get_be64(f);
1234 if (expire_time != -1) {
1235 qemu_mod_timer(ts, expire_time);
1241 static void timer_save(QEMUFile *f, void *opaque)
1243 if (cpu_ticks_enabled) {
1244 hw_error("cannot save state if virtual timers are running");
1246 qemu_put_be64(f, cpu_ticks_offset);
1247 qemu_put_be64(f, ticks_per_sec);
1248 qemu_put_be64(f, cpu_clock_offset);
1251 static int timer_load(QEMUFile *f, void *opaque, int version_id)
1253 if (version_id != 1 && version_id != 2)
1255 if (cpu_ticks_enabled) {
1258 cpu_ticks_offset=qemu_get_be64(f);
1259 ticks_per_sec=qemu_get_be64(f);
1260 if (version_id == 2) {
1261 cpu_clock_offset=qemu_get_be64(f);
1267 void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg,
1268 DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2)
1270 static void host_alarm_handler(int host_signum)
1274 #define DISP_FREQ 1000
1276 static int64_t delta_min = INT64_MAX;
1277 static int64_t delta_max, delta_cum, last_clock, delta, ti;
1279 ti = qemu_get_clock(vm_clock);
1280 if (last_clock != 0) {
1281 delta = ti - last_clock;
1282 if (delta < delta_min)
1284 if (delta > delta_max)
1287 if (++count == DISP_FREQ) {
1288 printf("timer: min=%" PRId64 " us max=%" PRId64 " us avg=%" PRId64 " us avg_freq=%0.3f Hz\n",
1289 muldiv64(delta_min, 1000000, ticks_per_sec),
1290 muldiv64(delta_max, 1000000, ticks_per_sec),
1291 muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec),
1292 (double)ticks_per_sec / ((double)delta_cum / DISP_FREQ));
1294 delta_min = INT64_MAX;
1302 if (alarm_has_dynticks(alarm_timer) ||
1304 qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL],
1305 qemu_get_clock(vm_clock))) ||
1306 qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME],
1307 qemu_get_clock(rt_clock))) {
1308 CPUState *env = next_cpu;
1309 static const char byte = 0;
1312 struct qemu_alarm_win32 *data = ((struct qemu_alarm_timer*)dwUser)->priv;
1313 SetEvent(data->host_alarm);
1316 write(alarm_timer_wfd, &byte, sizeof(byte));
1317 alarm_timer->flags |= ALARM_FLAG_EXPIRED;
1320 /* stop the currently executing cpu because a timer occured */
1321 cpu_interrupt(env, CPU_INTERRUPT_EXIT);
1323 if (env->kqemu_enabled) {
1324 kqemu_cpu_interrupt(env);
1332 static int64_t qemu_next_deadline(void)
1336 if (active_timers[QEMU_TIMER_VIRTUAL]) {
1337 delta = active_timers[QEMU_TIMER_VIRTUAL]->expire_time -
1338 qemu_get_clock(vm_clock);
1340 /* To avoid problems with overflow limit this to 2^32. */
1350 #if defined(__linux__) || defined(_WIN32)
1351 static uint64_t qemu_next_deadline_dyntick(void)
1359 delta = (qemu_next_deadline() + 999) / 1000;
1361 if (active_timers[QEMU_TIMER_REALTIME]) {
1362 rtdelta = (active_timers[QEMU_TIMER_REALTIME]->expire_time -
1363 qemu_get_clock(rt_clock))*1000;
1364 if (rtdelta < delta)
1368 if (delta < MIN_TIMER_REARM_US)
1369 delta = MIN_TIMER_REARM_US;
1377 /* Sets a specific flag */
1378 static int fcntl_setfl(int fd, int flag)
1382 flags = fcntl(fd, F_GETFL);
1386 if (fcntl(fd, F_SETFL, flags | flag) == -1)
1392 #if defined(__linux__)
1394 #define RTC_FREQ 1024
1396 static void enable_sigio_timer(int fd)
1398 struct sigaction act;
1401 sigfillset(&act.sa_mask);
1403 act.sa_handler = host_alarm_handler;
1405 sigaction(SIGIO, &act, NULL);
1406 fcntl_setfl(fd, O_ASYNC);
1407 fcntl(fd, F_SETOWN, getpid());
1410 static int hpet_start_timer(struct qemu_alarm_timer *t)
1412 struct hpet_info info;
1415 fd = open("/dev/hpet", O_RDONLY);
1420 r = ioctl(fd, HPET_IRQFREQ, RTC_FREQ);
1422 fprintf(stderr, "Could not configure '/dev/hpet' to have a 1024Hz timer. This is not a fatal\n"
1423 "error, but for better emulation accuracy type:\n"
1424 "'echo 1024 > /proc/sys/dev/hpet/max-user-freq' as root.\n");
1428 /* Check capabilities */
1429 r = ioctl(fd, HPET_INFO, &info);
1433 /* Enable periodic mode */
1434 r = ioctl(fd, HPET_EPI, 0);
1435 if (info.hi_flags && (r < 0))
1438 /* Enable interrupt */
1439 r = ioctl(fd, HPET_IE_ON, 0);
1443 enable_sigio_timer(fd);
1444 t->priv = (void *)(long)fd;
1452 static void hpet_stop_timer(struct qemu_alarm_timer *t)
1454 int fd = (long)t->priv;
1459 static int rtc_start_timer(struct qemu_alarm_timer *t)
1462 unsigned long current_rtc_freq = 0;
1464 TFR(rtc_fd = open("/dev/rtc", O_RDONLY));
1467 ioctl(rtc_fd, RTC_IRQP_READ, ¤t_rtc_freq);
1468 if (current_rtc_freq != RTC_FREQ &&
1469 ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) {
1470 fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
1471 "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
1472 "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
1475 if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) {
1481 enable_sigio_timer(rtc_fd);
1483 t->priv = (void *)(long)rtc_fd;
1488 static void rtc_stop_timer(struct qemu_alarm_timer *t)
1490 int rtc_fd = (long)t->priv;
1495 static int dynticks_start_timer(struct qemu_alarm_timer *t)
1499 struct sigaction act;
1501 sigfillset(&act.sa_mask);
1503 act.sa_handler = host_alarm_handler;
1505 sigaction(SIGALRM, &act, NULL);
1507 ev.sigev_value.sival_int = 0;
1508 ev.sigev_notify = SIGEV_SIGNAL;
1509 ev.sigev_signo = SIGALRM;
1511 if (timer_create(CLOCK_REALTIME, &ev, &host_timer)) {
1512 perror("timer_create");
1514 /* disable dynticks */
1515 fprintf(stderr, "Dynamic Ticks disabled\n");
1520 t->priv = (void *)host_timer;
1525 static void dynticks_stop_timer(struct qemu_alarm_timer *t)
1527 timer_t host_timer = (timer_t)t->priv;
1529 timer_delete(host_timer);
1532 static void dynticks_rearm_timer(struct qemu_alarm_timer *t)
1534 timer_t host_timer = (timer_t)t->priv;
1535 struct itimerspec timeout;
1536 int64_t nearest_delta_us = INT64_MAX;
1539 if (!active_timers[QEMU_TIMER_REALTIME] &&
1540 !active_timers[QEMU_TIMER_VIRTUAL])
1543 nearest_delta_us = qemu_next_deadline_dyntick();
1545 /* check whether a timer is already running */
1546 if (timer_gettime(host_timer, &timeout)) {
1548 fprintf(stderr, "Internal timer error: aborting\n");
1551 current_us = timeout.it_value.tv_sec * 1000000 + timeout.it_value.tv_nsec/1000;
1552 if (current_us && current_us <= nearest_delta_us)
1555 timeout.it_interval.tv_sec = 0;
1556 timeout.it_interval.tv_nsec = 0; /* 0 for one-shot timer */
1557 timeout.it_value.tv_sec = nearest_delta_us / 1000000;
1558 timeout.it_value.tv_nsec = (nearest_delta_us % 1000000) * 1000;
1559 if (timer_settime(host_timer, 0 /* RELATIVE */, &timeout, NULL)) {
1561 fprintf(stderr, "Internal timer error: aborting\n");
1566 #endif /* defined(__linux__) */
1568 static int unix_start_timer(struct qemu_alarm_timer *t)
1570 struct sigaction act;
1571 struct itimerval itv;
1575 sigfillset(&act.sa_mask);
1577 act.sa_handler = host_alarm_handler;
1579 sigaction(SIGALRM, &act, NULL);
1581 itv.it_interval.tv_sec = 0;
1582 /* for i386 kernel 2.6 to get 1 ms */
1583 itv.it_interval.tv_usec = 999;
1584 itv.it_value.tv_sec = 0;
1585 itv.it_value.tv_usec = 10 * 1000;
1587 err = setitimer(ITIMER_REAL, &itv, NULL);
1594 static void unix_stop_timer(struct qemu_alarm_timer *t)
1596 struct itimerval itv;
1598 memset(&itv, 0, sizeof(itv));
1599 setitimer(ITIMER_REAL, &itv, NULL);
1602 #endif /* !defined(_WIN32) */
1606 static int win32_start_timer(struct qemu_alarm_timer *t)
1609 struct qemu_alarm_win32 *data = t->priv;
1612 data->host_alarm = CreateEvent(NULL, FALSE, FALSE, NULL);
1613 if (!data->host_alarm) {
1614 perror("Failed CreateEvent");
1618 memset(&tc, 0, sizeof(tc));
1619 timeGetDevCaps(&tc, sizeof(tc));
1621 if (data->period < tc.wPeriodMin)
1622 data->period = tc.wPeriodMin;
1624 timeBeginPeriod(data->period);
1626 flags = TIME_CALLBACK_FUNCTION;
1627 if (alarm_has_dynticks(t))
1628 flags |= TIME_ONESHOT;
1630 flags |= TIME_PERIODIC;
1632 data->timerId = timeSetEvent(1, // interval (ms)
1633 data->period, // resolution
1634 host_alarm_handler, // function
1635 (DWORD)t, // parameter
1638 if (!data->timerId) {
1639 perror("Failed to initialize win32 alarm timer");
1641 timeEndPeriod(data->period);
1642 CloseHandle(data->host_alarm);
1646 qemu_add_wait_object(data->host_alarm, NULL, NULL);
1651 static void win32_stop_timer(struct qemu_alarm_timer *t)
1653 struct qemu_alarm_win32 *data = t->priv;
1655 timeKillEvent(data->timerId);
1656 timeEndPeriod(data->period);
1658 CloseHandle(data->host_alarm);
1661 static void win32_rearm_timer(struct qemu_alarm_timer *t)
1663 struct qemu_alarm_win32 *data = t->priv;
1664 uint64_t nearest_delta_us;
1666 if (!active_timers[QEMU_TIMER_REALTIME] &&
1667 !active_timers[QEMU_TIMER_VIRTUAL])
1670 nearest_delta_us = qemu_next_deadline_dyntick();
1671 nearest_delta_us /= 1000;
1673 timeKillEvent(data->timerId);
1675 data->timerId = timeSetEvent(1,
1679 TIME_ONESHOT | TIME_PERIODIC);
1681 if (!data->timerId) {
1682 perror("Failed to re-arm win32 alarm timer");
1684 timeEndPeriod(data->period);
1685 CloseHandle(data->host_alarm);
1692 static int init_timer_alarm(void)
1694 struct qemu_alarm_timer *t = NULL;
1702 err = fcntl_setfl(fds[0], O_NONBLOCK);
1706 err = fcntl_setfl(fds[1], O_NONBLOCK);
1710 alarm_timer_rfd = fds[0];
1711 alarm_timer_wfd = fds[1];
1713 for (i = 0; alarm_timers[i].name; i++) {
1714 t = &alarm_timers[i];
1736 static void quit_timers(void)
1738 alarm_timer->stop(alarm_timer);
1742 /***********************************************************/
1743 /* host time/date access */
1744 void qemu_get_timedate(struct tm *tm, int offset)
1751 if (rtc_date_offset == -1) {
1755 ret = localtime(&ti);
1757 ti -= rtc_date_offset;
1761 memcpy(tm, ret, sizeof(struct tm));
1764 int qemu_timedate_diff(struct tm *tm)
1768 if (rtc_date_offset == -1)
1770 seconds = mktimegm(tm);
1772 seconds = mktime(tm);
1774 seconds = mktimegm(tm) + rtc_date_offset;
1776 return seconds - time(NULL);
1780 static void socket_cleanup(void)
1785 static int socket_init(void)
1790 ret = WSAStartup(MAKEWORD(2,2), &Data);
1792 err = WSAGetLastError();
1793 fprintf(stderr, "WSAStartup: %d\n", err);
1796 atexit(socket_cleanup);
1801 const char *get_opt_name(char *buf, int buf_size, const char *p)
1806 while (*p != '\0' && *p != '=') {
1807 if (q && (q - buf) < buf_size - 1)
1817 const char *get_opt_value(char *buf, int buf_size, const char *p)
1822 while (*p != '\0') {
1824 if (*(p + 1) != ',')
1828 if (q && (q - buf) < buf_size - 1)
1838 int get_param_value(char *buf, int buf_size,
1839 const char *tag, const char *str)
1846 p = get_opt_name(option, sizeof(option), p);
1850 if (!strcmp(tag, option)) {
1851 (void)get_opt_value(buf, buf_size, p);
1854 p = get_opt_value(NULL, 0, p);
1863 int check_params(char *buf, int buf_size,
1864 const char * const *params, const char *str)
1871 p = get_opt_name(buf, buf_size, p);
1875 for(i = 0; params[i] != NULL; i++)
1876 if (!strcmp(params[i], buf))
1878 if (params[i] == NULL)
1880 p = get_opt_value(NULL, 0, p);
1888 /***********************************************************/
1889 /* Bluetooth support */
1892 static struct HCIInfo *hci_table[MAX_NICS];
1894 static struct bt_vlan_s {
1895 struct bt_scatternet_s net;
1897 struct bt_vlan_s *next;
1900 /* find or alloc a new bluetooth "VLAN" */
1901 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
1903 struct bt_vlan_s **pvlan, *vlan;
1904 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
1908 vlan = qemu_mallocz(sizeof(struct bt_vlan_s));
1910 pvlan = &first_bt_vlan;
1911 while (*pvlan != NULL)
1912 pvlan = &(*pvlan)->next;
1918 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
1922 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
1927 static struct HCIInfo null_hci = {
1928 .cmd_send = null_hci_send,
1929 .sco_send = null_hci_send,
1930 .acl_send = null_hci_send,
1931 .bdaddr_set = null_hci_addr_set,
1934 struct HCIInfo *qemu_next_hci(void)
1936 if (cur_hci == nb_hcis)
1939 return hci_table[cur_hci++];
1942 /***********************************************************/
1943 /* QEMU Block devices */
1945 #define HD_ALIAS "index=%d,media=disk"
1947 #define CDROM_ALIAS "index=1,media=cdrom"
1949 #define CDROM_ALIAS "index=2,media=cdrom"
1951 #define FD_ALIAS "index=%d,if=floppy"
1952 #define PFLASH_ALIAS "if=pflash"
1953 #define MTD_ALIAS "if=mtd"
1954 #define SD_ALIAS "index=0,if=sd"
1956 static int drive_add(const char *file, const char *fmt, ...)
1960 if (nb_drives_opt >= MAX_DRIVES) {
1961 fprintf(stderr, "qemu: too many drives\n");
1965 drives_opt[nb_drives_opt].file = file;
1967 vsnprintf(drives_opt[nb_drives_opt].opt,
1968 sizeof(drives_opt[0].opt), fmt, ap);
1971 return nb_drives_opt++;
1974 int drive_get_index(BlockInterfaceType type, int bus, int unit)
1978 /* seek interface, bus and unit */
1980 for (index = 0; index < nb_drives; index++)
1981 if (drives_table[index].type == type &&
1982 drives_table[index].bus == bus &&
1983 drives_table[index].unit == unit)
1989 int drive_get_max_bus(BlockInterfaceType type)
1995 for (index = 0; index < nb_drives; index++) {
1996 if(drives_table[index].type == type &&
1997 drives_table[index].bus > max_bus)
1998 max_bus = drives_table[index].bus;
2003 static void bdrv_format_print(void *opaque, const char *name)
2005 fprintf(stderr, " %s", name);
2008 static int drive_init(struct drive_opt *arg, int snapshot,
2009 QEMUMachine *machine)
2014 const char *mediastr = "";
2015 BlockInterfaceType type;
2016 enum { MEDIA_DISK, MEDIA_CDROM } media;
2017 int bus_id, unit_id;
2018 int cyls, heads, secs, translation;
2019 BlockDriverState *bdrv;
2020 BlockDriver *drv = NULL;
2025 char *str = arg->opt;
2026 static const char * const params[] = { "bus", "unit", "if", "index",
2027 "cyls", "heads", "secs", "trans",
2028 "media", "snapshot", "file",
2029 "cache", "format", NULL };
2031 if (check_params(buf, sizeof(buf), params, str) < 0) {
2032 fprintf(stderr, "qemu: unknown parameter '%s' in '%s'\n",
2038 cyls = heads = secs = 0;
2041 translation = BIOS_ATA_TRANSLATION_AUTO;
2045 if (machine->use_scsi) {
2047 max_devs = MAX_SCSI_DEVS;
2048 pstrcpy(devname, sizeof(devname), "scsi");
2051 max_devs = MAX_IDE_DEVS;
2052 pstrcpy(devname, sizeof(devname), "ide");
2056 /* extract parameters */
2058 if (get_param_value(buf, sizeof(buf), "bus", str)) {
2059 bus_id = strtol(buf, NULL, 0);
2061 fprintf(stderr, "qemu: '%s' invalid bus id\n", str);
2066 if (get_param_value(buf, sizeof(buf), "unit", str)) {
2067 unit_id = strtol(buf, NULL, 0);
2069 fprintf(stderr, "qemu: '%s' invalid unit id\n", str);
2074 if (get_param_value(buf, sizeof(buf), "if", str)) {
2075 pstrcpy(devname, sizeof(devname), buf);
2076 if (!strcmp(buf, "ide")) {
2078 max_devs = MAX_IDE_DEVS;
2079 } else if (!strcmp(buf, "scsi")) {
2081 max_devs = MAX_SCSI_DEVS;
2082 } else if (!strcmp(buf, "floppy")) {
2085 } else if (!strcmp(buf, "pflash")) {
2088 } else if (!strcmp(buf, "mtd")) {
2091 } else if (!strcmp(buf, "sd")) {
2095 fprintf(stderr, "qemu: '%s' unsupported bus type '%s'\n", str, buf);
2100 if (get_param_value(buf, sizeof(buf), "index", str)) {
2101 index = strtol(buf, NULL, 0);
2103 fprintf(stderr, "qemu: '%s' invalid index\n", str);
2108 if (get_param_value(buf, sizeof(buf), "cyls", str)) {
2109 cyls = strtol(buf, NULL, 0);
2112 if (get_param_value(buf, sizeof(buf), "heads", str)) {
2113 heads = strtol(buf, NULL, 0);
2116 if (get_param_value(buf, sizeof(buf), "secs", str)) {
2117 secs = strtol(buf, NULL, 0);
2120 if (cyls || heads || secs) {
2121 if (cyls < 1 || cyls > 16383) {
2122 fprintf(stderr, "qemu: '%s' invalid physical cyls number\n", str);
2125 if (heads < 1 || heads > 16) {
2126 fprintf(stderr, "qemu: '%s' invalid physical heads number\n", str);
2129 if (secs < 1 || secs > 63) {
2130 fprintf(stderr, "qemu: '%s' invalid physical secs number\n", str);
2135 if (get_param_value(buf, sizeof(buf), "trans", str)) {
2138 "qemu: '%s' trans must be used with cyls,heads and secs\n",
2142 if (!strcmp(buf, "none"))
2143 translation = BIOS_ATA_TRANSLATION_NONE;
2144 else if (!strcmp(buf, "lba"))
2145 translation = BIOS_ATA_TRANSLATION_LBA;
2146 else if (!strcmp(buf, "auto"))
2147 translation = BIOS_ATA_TRANSLATION_AUTO;
2149 fprintf(stderr, "qemu: '%s' invalid translation type\n", str);
2154 if (get_param_value(buf, sizeof(buf), "media", str)) {
2155 if (!strcmp(buf, "disk")) {
2157 } else if (!strcmp(buf, "cdrom")) {
2158 if (cyls || secs || heads) {
2160 "qemu: '%s' invalid physical CHS format\n", str);
2163 media = MEDIA_CDROM;
2165 fprintf(stderr, "qemu: '%s' invalid media\n", str);
2170 if (get_param_value(buf, sizeof(buf), "snapshot", str)) {
2171 if (!strcmp(buf, "on"))
2173 else if (!strcmp(buf, "off"))
2176 fprintf(stderr, "qemu: '%s' invalid snapshot option\n", str);
2181 if (get_param_value(buf, sizeof(buf), "cache", str)) {
2182 if (!strcmp(buf, "off") || !strcmp(buf, "none"))
2184 else if (!strcmp(buf, "writethrough"))
2186 else if (!strcmp(buf, "writeback"))
2189 fprintf(stderr, "qemu: invalid cache option\n");
2194 if (get_param_value(buf, sizeof(buf), "format", str)) {
2195 if (strcmp(buf, "?") == 0) {
2196 fprintf(stderr, "qemu: Supported formats:");
2197 bdrv_iterate_format(bdrv_format_print, NULL);
2198 fprintf(stderr, "\n");
2201 drv = bdrv_find_format(buf);
2203 fprintf(stderr, "qemu: '%s' invalid format\n", buf);
2208 if (arg->file == NULL)
2209 get_param_value(file, sizeof(file), "file", str);
2211 pstrcpy(file, sizeof(file), arg->file);
2213 /* compute bus and unit according index */
2216 if (bus_id != 0 || unit_id != -1) {
2218 "qemu: '%s' index cannot be used with bus and unit\n", str);
2226 unit_id = index % max_devs;
2227 bus_id = index / max_devs;
2231 /* if user doesn't specify a unit_id,
2232 * try to find the first free
2235 if (unit_id == -1) {
2237 while (drive_get_index(type, bus_id, unit_id) != -1) {
2239 if (max_devs && unit_id >= max_devs) {
2240 unit_id -= max_devs;
2248 if (max_devs && unit_id >= max_devs) {
2249 fprintf(stderr, "qemu: '%s' unit %d too big (max is %d)\n",
2250 str, unit_id, max_devs - 1);
2255 * ignore multiple definitions
2258 if (drive_get_index(type, bus_id, unit_id) != -1)
2263 if (type == IF_IDE || type == IF_SCSI)
2264 mediastr = (media == MEDIA_CDROM) ? "-cd" : "-hd";
2266 snprintf(buf, sizeof(buf), "%s%i%s%i",
2267 devname, bus_id, mediastr, unit_id);
2269 snprintf(buf, sizeof(buf), "%s%s%i",
2270 devname, mediastr, unit_id);
2271 bdrv = bdrv_new(buf);
2272 drives_table[nb_drives].bdrv = bdrv;
2273 drives_table[nb_drives].type = type;
2274 drives_table[nb_drives].bus = bus_id;
2275 drives_table[nb_drives].unit = unit_id;
2284 bdrv_set_geometry_hint(bdrv, cyls, heads, secs);
2285 bdrv_set_translation_hint(bdrv, translation);
2289 bdrv_set_type_hint(bdrv, BDRV_TYPE_CDROM);
2294 /* FIXME: This isn't really a floppy, but it's a reasonable
2297 bdrv_set_type_hint(bdrv, BDRV_TYPE_FLOPPY);
2307 bdrv_flags |= BDRV_O_SNAPSHOT;
2308 cache = 2; /* always use write-back with snapshot */
2310 if (cache == 0) /* no caching */
2311 bdrv_flags |= BDRV_O_NOCACHE;
2312 else if (cache == 2) /* write-back */
2313 bdrv_flags |= BDRV_O_CACHE_WB;
2314 if (bdrv_open2(bdrv, file, bdrv_flags, drv) < 0 || qemu_key_check(bdrv, file)) {
2315 fprintf(stderr, "qemu: could not open disk image %s\n",
2322 /***********************************************************/
2325 static USBPort *used_usb_ports;
2326 static USBPort *free_usb_ports;
2328 /* ??? Maybe change this to register a hub to keep track of the topology. */
2329 void qemu_register_usb_port(USBPort *port, void *opaque, int index,
2330 usb_attachfn attach)
2332 port->opaque = opaque;
2333 port->index = index;
2334 port->attach = attach;
2335 port->next = free_usb_ports;
2336 free_usb_ports = port;
2339 int usb_device_add_dev(USBDevice *dev)
2343 /* Find a USB port to add the device to. */
2344 port = free_usb_ports;
2348 /* Create a new hub and chain it on. */
2349 free_usb_ports = NULL;
2350 port->next = used_usb_ports;
2351 used_usb_ports = port;
2353 hub = usb_hub_init(VM_USB_HUB_SIZE);
2354 usb_attach(port, hub);
2355 port = free_usb_ports;
2358 free_usb_ports = port->next;
2359 port->next = used_usb_ports;
2360 used_usb_ports = port;
2361 usb_attach(port, dev);
2365 static int usb_device_add(const char *devname)
2370 if (!free_usb_ports)
2373 if (strstart(devname, "host:", &p)) {
2374 dev = usb_host_device_open(p);
2375 } else if (!strcmp(devname, "mouse")) {
2376 dev = usb_mouse_init();
2377 } else if (!strcmp(devname, "tablet")) {
2378 dev = usb_tablet_init();
2379 } else if (!strcmp(devname, "keyboard")) {
2380 dev = usb_keyboard_init();
2381 } else if (strstart(devname, "disk:", &p)) {
2382 dev = usb_msd_init(p);
2383 } else if (!strcmp(devname, "wacom-tablet")) {
2384 dev = usb_wacom_init();
2385 } else if (strstart(devname, "serial:", &p)) {
2386 dev = usb_serial_init(p);
2387 #ifdef CONFIG_BRLAPI
2388 } else if (!strcmp(devname, "braille")) {
2389 dev = usb_baum_init();
2391 } else if (strstart(devname, "net:", &p)) {
2394 if (net_client_init("nic", p) < 0)
2396 nd_table[nic].model = "usb";
2397 dev = usb_net_init(&nd_table[nic]);
2404 return usb_device_add_dev(dev);
2407 int usb_device_del_addr(int bus_num, int addr)
2413 if (!used_usb_ports)
2419 lastp = &used_usb_ports;
2420 port = used_usb_ports;
2421 while (port && port->dev->addr != addr) {
2422 lastp = &port->next;
2430 *lastp = port->next;
2431 usb_attach(port, NULL);
2432 dev->handle_destroy(dev);
2433 port->next = free_usb_ports;
2434 free_usb_ports = port;
2438 static int usb_device_del(const char *devname)
2443 if (strstart(devname, "host:", &p))
2444 return usb_host_device_close(p);
2446 if (!used_usb_ports)
2449 p = strchr(devname, '.');
2452 bus_num = strtoul(devname, NULL, 0);
2453 addr = strtoul(p + 1, NULL, 0);
2455 return usb_device_del_addr(bus_num, addr);
2458 void do_usb_add(const char *devname)
2460 usb_device_add(devname);
2463 void do_usb_del(const char *devname)
2465 usb_device_del(devname);
2472 const char *speed_str;
2475 term_printf("USB support not enabled\n");
2479 for (port = used_usb_ports; port; port = port->next) {
2483 switch(dev->speed) {
2487 case USB_SPEED_FULL:
2490 case USB_SPEED_HIGH:
2497 term_printf(" Device %d.%d, Speed %s Mb/s, Product %s\n",
2498 0, dev->addr, speed_str, dev->devname);
2502 /***********************************************************/
2503 /* PCMCIA/Cardbus */
2505 static struct pcmcia_socket_entry_s {
2506 struct pcmcia_socket_s *socket;
2507 struct pcmcia_socket_entry_s *next;
2508 } *pcmcia_sockets = 0;
2510 void pcmcia_socket_register(struct pcmcia_socket_s *socket)
2512 struct pcmcia_socket_entry_s *entry;
2514 entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s));
2515 entry->socket = socket;
2516 entry->next = pcmcia_sockets;
2517 pcmcia_sockets = entry;
2520 void pcmcia_socket_unregister(struct pcmcia_socket_s *socket)
2522 struct pcmcia_socket_entry_s *entry, **ptr;
2524 ptr = &pcmcia_sockets;
2525 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
2526 if (entry->socket == socket) {
2532 void pcmcia_info(void)
2534 struct pcmcia_socket_entry_s *iter;
2535 if (!pcmcia_sockets)
2536 term_printf("No PCMCIA sockets\n");
2538 for (iter = pcmcia_sockets; iter; iter = iter->next)
2539 term_printf("%s: %s\n", iter->socket->slot_string,
2540 iter->socket->attached ? iter->socket->card_string :
2544 /***********************************************************/
2547 static void dumb_update(DisplayState *ds, int x, int y, int w, int h)
2551 static void dumb_resize(DisplayState *ds, int w, int h)
2555 static void dumb_display_init(DisplayState *ds)
2560 ds->dpy_update = dumb_update;
2561 ds->dpy_resize = dumb_resize;
2562 ds->dpy_refresh = NULL;
2563 ds->gui_timer_interval = 0;
2567 /***********************************************************/
2570 #define MAX_IO_HANDLERS 64
2572 typedef struct IOHandlerRecord {
2574 IOCanRWHandler *fd_read_poll;
2576 IOHandler *fd_write;
2579 /* temporary data */
2581 struct IOHandlerRecord *next;
2584 static IOHandlerRecord *first_io_handler;
2586 /* XXX: fd_read_poll should be suppressed, but an API change is
2587 necessary in the character devices to suppress fd_can_read(). */
2588 int qemu_set_fd_handler2(int fd,
2589 IOCanRWHandler *fd_read_poll,
2591 IOHandler *fd_write,
2594 IOHandlerRecord **pioh, *ioh;
2596 if (!fd_read && !fd_write) {
2597 pioh = &first_io_handler;
2602 if (ioh->fd == fd) {
2609 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
2613 ioh = qemu_mallocz(sizeof(IOHandlerRecord));
2616 ioh->next = first_io_handler;
2617 first_io_handler = ioh;
2620 ioh->fd_read_poll = fd_read_poll;
2621 ioh->fd_read = fd_read;
2622 ioh->fd_write = fd_write;
2623 ioh->opaque = opaque;
2629 int qemu_set_fd_handler(int fd,
2631 IOHandler *fd_write,
2634 return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque);
2638 /***********************************************************/
2639 /* Polling handling */
2641 typedef struct PollingEntry {
2644 struct PollingEntry *next;
2647 static PollingEntry *first_polling_entry;
2649 int qemu_add_polling_cb(PollingFunc *func, void *opaque)
2651 PollingEntry **ppe, *pe;
2652 pe = qemu_mallocz(sizeof(PollingEntry));
2656 pe->opaque = opaque;
2657 for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next);
2662 void qemu_del_polling_cb(PollingFunc *func, void *opaque)
2664 PollingEntry **ppe, *pe;
2665 for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) {
2667 if (pe->func == func && pe->opaque == opaque) {
2675 /***********************************************************/
2676 /* Wait objects support */
2677 typedef struct WaitObjects {
2679 HANDLE events[MAXIMUM_WAIT_OBJECTS + 1];
2680 WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1];
2681 void *opaque[MAXIMUM_WAIT_OBJECTS + 1];
2684 static WaitObjects wait_objects = {0};
2686 int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
2688 WaitObjects *w = &wait_objects;
2690 if (w->num >= MAXIMUM_WAIT_OBJECTS)
2692 w->events[w->num] = handle;
2693 w->func[w->num] = func;
2694 w->opaque[w->num] = opaque;
2699 void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
2702 WaitObjects *w = &wait_objects;
2705 for (i = 0; i < w->num; i++) {
2706 if (w->events[i] == handle)
2709 w->events[i] = w->events[i + 1];
2710 w->func[i] = w->func[i + 1];
2711 w->opaque[i] = w->opaque[i + 1];
2719 #define SELF_ANNOUNCE_ROUNDS 5
2720 #define ETH_P_EXPERIMENTAL 0x01F1 /* just a number */
2721 //#define ETH_P_EXPERIMENTAL 0x0012 /* make it the size of the packet */
2722 #define EXPERIMENTAL_MAGIC 0xf1f23f4f
2724 static int announce_self_create(uint8_t *buf,
2727 uint32_t magic = EXPERIMENTAL_MAGIC;
2728 uint16_t proto = htons(ETH_P_EXPERIMENTAL);
2730 /* FIXME: should we send a different packet (arp/rarp/ping)? */
2732 memset(buf, 0xff, 6); /* h_dst */
2733 memcpy(buf + 6, mac_addr, 6); /* h_src */
2734 memcpy(buf + 12, &proto, 2); /* h_proto */
2735 memcpy(buf + 14, &magic, 4); /* magic */
2737 return 18; /* len */
2740 void qemu_announce_self(void)
2744 VLANClientState *vc;
2747 for (i = 0; i < nb_nics; i++) {
2748 len = announce_self_create(buf, nd_table[i].macaddr);
2749 vlan = nd_table[i].vlan;
2750 for(vc = vlan->first_client; vc != NULL; vc = vc->next) {
2751 for (j=0; j < SELF_ANNOUNCE_ROUNDS; j++)
2752 vc->fd_read(vc->opaque, buf, len);
2757 /***********************************************************/
2758 /* savevm/loadvm support */
2760 #define IO_BUF_SIZE 32768
2763 QEMUFilePutBufferFunc *put_buffer;
2764 QEMUFileGetBufferFunc *get_buffer;
2765 QEMUFileCloseFunc *close;
2766 QEMUFileRateLimit *rate_limit;
2770 int64_t buf_offset; /* start of buffer when writing, end of buffer
2773 int buf_size; /* 0 when writing */
2774 uint8_t buf[IO_BUF_SIZE];
2779 typedef struct QEMUFileSocket
2785 static int socket_get_buffer(void *opaque, uint8_t *buf, int64_t pos, int size)
2787 QEMUFileSocket *s = opaque;
2791 len = recv(s->fd, buf, size, 0);
2792 } while (len == -1 && socket_error() == EINTR);
2795 len = -socket_error();
2800 static int socket_close(void *opaque)
2802 QEMUFileSocket *s = opaque;
2807 QEMUFile *qemu_fopen_socket(int fd)
2809 QEMUFileSocket *s = qemu_mallocz(sizeof(QEMUFileSocket));
2815 s->file = qemu_fopen_ops(s, NULL, socket_get_buffer, socket_close, NULL);
2819 typedef struct QEMUFileStdio
2824 static int file_put_buffer(void *opaque, const uint8_t *buf,
2825 int64_t pos, int size)
2827 QEMUFileStdio *s = opaque;
2828 fseek(s->outfile, pos, SEEK_SET);
2829 fwrite(buf, 1, size, s->outfile);
2833 static int file_get_buffer(void *opaque, uint8_t *buf, int64_t pos, int size)
2835 QEMUFileStdio *s = opaque;
2836 fseek(s->outfile, pos, SEEK_SET);
2837 return fread(buf, 1, size, s->outfile);
2840 static int file_close(void *opaque)
2842 QEMUFileStdio *s = opaque;
2848 QEMUFile *qemu_fopen(const char *filename, const char *mode)
2852 s = qemu_mallocz(sizeof(QEMUFileStdio));
2856 s->outfile = fopen(filename, mode);
2860 if (!strcmp(mode, "wb"))
2861 return qemu_fopen_ops(s, file_put_buffer, NULL, file_close, NULL);
2862 else if (!strcmp(mode, "rb"))
2863 return qemu_fopen_ops(s, NULL, file_get_buffer, file_close, NULL);
2872 typedef struct QEMUFileBdrv
2874 BlockDriverState *bs;
2875 int64_t base_offset;
2878 static int bdrv_put_buffer(void *opaque, const uint8_t *buf,
2879 int64_t pos, int size)
2881 QEMUFileBdrv *s = opaque;
2882 bdrv_pwrite(s->bs, s->base_offset + pos, buf, size);
2886 static int bdrv_get_buffer(void *opaque, uint8_t *buf, int64_t pos, int size)
2888 QEMUFileBdrv *s = opaque;
2889 return bdrv_pread(s->bs, s->base_offset + pos, buf, size);
2892 static int bdrv_fclose(void *opaque)
2894 QEMUFileBdrv *s = opaque;
2899 static QEMUFile *qemu_fopen_bdrv(BlockDriverState *bs, int64_t offset, int is_writable)
2903 s = qemu_mallocz(sizeof(QEMUFileBdrv));
2908 s->base_offset = offset;
2911 return qemu_fopen_ops(s, bdrv_put_buffer, NULL, bdrv_fclose, NULL);
2913 return qemu_fopen_ops(s, NULL, bdrv_get_buffer, bdrv_fclose, NULL);
2916 QEMUFile *qemu_fopen_ops(void *opaque, QEMUFilePutBufferFunc *put_buffer,
2917 QEMUFileGetBufferFunc *get_buffer,
2918 QEMUFileCloseFunc *close,
2919 QEMUFileRateLimit *rate_limit)
2923 f = qemu_mallocz(sizeof(QEMUFile));
2928 f->put_buffer = put_buffer;
2929 f->get_buffer = get_buffer;
2931 f->rate_limit = rate_limit;
2937 int qemu_file_has_error(QEMUFile *f)
2939 return f->has_error;
2942 void qemu_fflush(QEMUFile *f)
2947 if (f->is_write && f->buf_index > 0) {
2950 len = f->put_buffer(f->opaque, f->buf, f->buf_offset, f->buf_index);
2952 f->buf_offset += f->buf_index;
2959 static void qemu_fill_buffer(QEMUFile *f)
2969 len = f->get_buffer(f->opaque, f->buf, f->buf_offset, IO_BUF_SIZE);
2973 f->buf_offset += len;
2974 } else if (len != -EAGAIN)
2978 int qemu_fclose(QEMUFile *f)
2983 ret = f->close(f->opaque);
2988 void qemu_file_put_notify(QEMUFile *f)
2990 f->put_buffer(f->opaque, NULL, 0, 0);
2993 void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size)
2997 if (!f->has_error && f->is_write == 0 && f->buf_index > 0) {
2999 "Attempted to write to buffer while read buffer is not empty\n");
3003 while (!f->has_error && size > 0) {
3004 l = IO_BUF_SIZE - f->buf_index;
3007 memcpy(f->buf + f->buf_index, buf, l);
3012 if (f->buf_index >= IO_BUF_SIZE)
3017 void qemu_put_byte(QEMUFile *f, int v)
3019 if (!f->has_error && f->is_write == 0 && f->buf_index > 0) {
3021 "Attempted to write to buffer while read buffer is not empty\n");
3025 f->buf[f->buf_index++] = v;
3027 if (f->buf_index >= IO_BUF_SIZE)
3031 int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size1)
3040 l = f->buf_size - f->buf_index;
3042 qemu_fill_buffer(f);
3043 l = f->buf_size - f->buf_index;
3049 memcpy(buf, f->buf + f->buf_index, l);
3054 return size1 - size;
3057 int qemu_get_byte(QEMUFile *f)
3062 if (f->buf_index >= f->buf_size) {
3063 qemu_fill_buffer(f);
3064 if (f->buf_index >= f->buf_size)
3067 return f->buf[f->buf_index++];
3070 int64_t qemu_ftell(QEMUFile *f)
3072 return f->buf_offset - f->buf_size + f->buf_index;
3075 int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence)
3077 if (whence == SEEK_SET) {
3079 } else if (whence == SEEK_CUR) {
3080 pos += qemu_ftell(f);
3082 /* SEEK_END not supported */
3085 if (f->put_buffer) {
3087 f->buf_offset = pos;
3089 f->buf_offset = pos;
3096 int qemu_file_rate_limit(QEMUFile *f)
3099 return f->rate_limit(f->opaque);
3104 void qemu_put_be16(QEMUFile *f, unsigned int v)
3106 qemu_put_byte(f, v >> 8);
3107 qemu_put_byte(f, v);
3110 void qemu_put_be32(QEMUFile *f, unsigned int v)
3112 qemu_put_byte(f, v >> 24);
3113 qemu_put_byte(f, v >> 16);
3114 qemu_put_byte(f, v >> 8);
3115 qemu_put_byte(f, v);
3118 void qemu_put_be64(QEMUFile *f, uint64_t v)
3120 qemu_put_be32(f, v >> 32);
3121 qemu_put_be32(f, v);
3124 unsigned int qemu_get_be16(QEMUFile *f)
3127 v = qemu_get_byte(f) << 8;
3128 v |= qemu_get_byte(f);
3132 unsigned int qemu_get_be32(QEMUFile *f)
3135 v = qemu_get_byte(f) << 24;
3136 v |= qemu_get_byte(f) << 16;
3137 v |= qemu_get_byte(f) << 8;
3138 v |= qemu_get_byte(f);
3142 uint64_t qemu_get_be64(QEMUFile *f)
3145 v = (uint64_t)qemu_get_be32(f) << 32;
3146 v |= qemu_get_be32(f);
3150 typedef struct SaveStateEntry {
3155 SaveLiveStateHandler *save_live_state;
3156 SaveStateHandler *save_state;
3157 LoadStateHandler *load_state;
3159 struct SaveStateEntry *next;
3162 static SaveStateEntry *first_se;
3164 /* TODO: Individual devices generally have very little idea about the rest
3165 of the system, so instance_id should be removed/replaced.
3166 Meanwhile pass -1 as instance_id if you do not already have a clearly
3167 distinguishing id for all instances of your device class. */
3168 int register_savevm_live(const char *idstr,
3171 SaveLiveStateHandler *save_live_state,
3172 SaveStateHandler *save_state,
3173 LoadStateHandler *load_state,
3176 SaveStateEntry *se, **pse;
3177 static int global_section_id;
3179 se = qemu_malloc(sizeof(SaveStateEntry));
3182 pstrcpy(se->idstr, sizeof(se->idstr), idstr);
3183 se->instance_id = (instance_id == -1) ? 0 : instance_id;
3184 se->version_id = version_id;
3185 se->section_id = global_section_id++;
3186 se->save_live_state = save_live_state;
3187 se->save_state = save_state;
3188 se->load_state = load_state;
3189 se->opaque = opaque;
3192 /* add at the end of list */
3194 while (*pse != NULL) {
3195 if (instance_id == -1
3196 && strcmp(se->idstr, (*pse)->idstr) == 0
3197 && se->instance_id <= (*pse)->instance_id)
3198 se->instance_id = (*pse)->instance_id + 1;
3199 pse = &(*pse)->next;
3205 int register_savevm(const char *idstr,
3208 SaveStateHandler *save_state,
3209 LoadStateHandler *load_state,
3212 return register_savevm_live(idstr, instance_id, version_id,
3213 NULL, save_state, load_state, opaque);
3216 #define QEMU_VM_FILE_MAGIC 0x5145564d
3217 #define QEMU_VM_FILE_VERSION_COMPAT 0x00000002
3218 #define QEMU_VM_FILE_VERSION 0x00000003
3220 #define QEMU_VM_EOF 0x00
3221 #define QEMU_VM_SECTION_START 0x01
3222 #define QEMU_VM_SECTION_PART 0x02
3223 #define QEMU_VM_SECTION_END 0x03
3224 #define QEMU_VM_SECTION_FULL 0x04
3226 int qemu_savevm_state_begin(QEMUFile *f)
3230 qemu_put_be32(f, QEMU_VM_FILE_MAGIC);
3231 qemu_put_be32(f, QEMU_VM_FILE_VERSION);
3233 for (se = first_se; se != NULL; se = se->next) {
3236 if (se->save_live_state == NULL)
3240 qemu_put_byte(f, QEMU_VM_SECTION_START);
3241 qemu_put_be32(f, se->section_id);
3244 len = strlen(se->idstr);
3245 qemu_put_byte(f, len);
3246 qemu_put_buffer(f, (uint8_t *)se->idstr, len);
3248 qemu_put_be32(f, se->instance_id);
3249 qemu_put_be32(f, se->version_id);
3251 se->save_live_state(f, QEMU_VM_SECTION_START, se->opaque);
3254 if (qemu_file_has_error(f))
3260 int qemu_savevm_state_iterate(QEMUFile *f)
3265 for (se = first_se; se != NULL; se = se->next) {
3266 if (se->save_live_state == NULL)
3270 qemu_put_byte(f, QEMU_VM_SECTION_PART);
3271 qemu_put_be32(f, se->section_id);
3273 ret &= !!se->save_live_state(f, QEMU_VM_SECTION_PART, se->opaque);
3279 if (qemu_file_has_error(f))
3285 int qemu_savevm_state_complete(QEMUFile *f)
3289 for (se = first_se; se != NULL; se = se->next) {
3290 if (se->save_live_state == NULL)
3294 qemu_put_byte(f, QEMU_VM_SECTION_END);
3295 qemu_put_be32(f, se->section_id);
3297 se->save_live_state(f, QEMU_VM_SECTION_END, se->opaque);
3300 for(se = first_se; se != NULL; se = se->next) {
3303 if (se->save_state == NULL)
3307 qemu_put_byte(f, QEMU_VM_SECTION_FULL);
3308 qemu_put_be32(f, se->section_id);
3311 len = strlen(se->idstr);
3312 qemu_put_byte(f, len);
3313 qemu_put_buffer(f, (uint8_t *)se->idstr, len);
3315 qemu_put_be32(f, se->instance_id);
3316 qemu_put_be32(f, se->version_id);
3318 se->save_state(f, se->opaque);
3321 qemu_put_byte(f, QEMU_VM_EOF);
3323 if (qemu_file_has_error(f))
3329 int qemu_savevm_state(QEMUFile *f)
3331 int saved_vm_running;
3334 saved_vm_running = vm_running;
3339 ret = qemu_savevm_state_begin(f);
3344 ret = qemu_savevm_state_iterate(f);
3349 ret = qemu_savevm_state_complete(f);
3352 if (qemu_file_has_error(f))
3355 if (!ret && saved_vm_running)
3361 static SaveStateEntry *find_se(const char *idstr, int instance_id)
3365 for(se = first_se; se != NULL; se = se->next) {
3366 if (!strcmp(se->idstr, idstr) &&
3367 instance_id == se->instance_id)
3373 typedef struct LoadStateEntry {
3377 struct LoadStateEntry *next;
3380 static int qemu_loadvm_state_v2(QEMUFile *f)
3383 int len, ret, instance_id, record_len, version_id;
3384 int64_t total_len, end_pos, cur_pos;
3387 total_len = qemu_get_be64(f);
3388 end_pos = total_len + qemu_ftell(f);
3390 if (qemu_ftell(f) >= end_pos)
3392 len = qemu_get_byte(f);
3393 qemu_get_buffer(f, (uint8_t *)idstr, len);
3395 instance_id = qemu_get_be32(f);
3396 version_id = qemu_get_be32(f);
3397 record_len = qemu_get_be32(f);
3398 cur_pos = qemu_ftell(f);
3399 se = find_se(idstr, instance_id);
3401 fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n",
3402 instance_id, idstr);
3404 ret = se->load_state(f, se->opaque, version_id);
3406 fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n",
3407 instance_id, idstr);
3410 /* always seek to exact end of record */
3411 qemu_fseek(f, cur_pos + record_len, SEEK_SET);
3414 if (qemu_file_has_error(f))
3420 int qemu_loadvm_state(QEMUFile *f)
3422 LoadStateEntry *first_le = NULL;
3423 uint8_t section_type;
3427 v = qemu_get_be32(f);
3428 if (v != QEMU_VM_FILE_MAGIC)
3431 v = qemu_get_be32(f);
3432 if (v == QEMU_VM_FILE_VERSION_COMPAT)
3433 return qemu_loadvm_state_v2(f);
3434 if (v != QEMU_VM_FILE_VERSION)
3437 while ((section_type = qemu_get_byte(f)) != QEMU_VM_EOF) {
3438 uint32_t instance_id, version_id, section_id;
3444 switch (section_type) {
3445 case QEMU_VM_SECTION_START:
3446 case QEMU_VM_SECTION_FULL:
3447 /* Read section start */
3448 section_id = qemu_get_be32(f);
3449 len = qemu_get_byte(f);
3450 qemu_get_buffer(f, (uint8_t *)idstr, len);
3452 instance_id = qemu_get_be32(f);
3453 version_id = qemu_get_be32(f);
3455 /* Find savevm section */
3456 se = find_se(idstr, instance_id);
3458 fprintf(stderr, "Unknown savevm section or instance '%s' %d\n", idstr, instance_id);
3463 /* Validate version */
3464 if (version_id > se->version_id) {
3465 fprintf(stderr, "savevm: unsupported version %d for '%s' v%d\n",
3466 version_id, idstr, se->version_id);
3472 le = qemu_mallocz(sizeof(*le));
3479 le->section_id = section_id;
3480 le->version_id = version_id;
3481 le->next = first_le;
3484 le->se->load_state(f, le->se->opaque, le->version_id);
3486 case QEMU_VM_SECTION_PART:
3487 case QEMU_VM_SECTION_END:
3488 section_id = qemu_get_be32(f);
3490 for (le = first_le; le && le->section_id != section_id; le = le->next);
3492 fprintf(stderr, "Unknown savevm section %d\n", section_id);
3497 le->se->load_state(f, le->se->opaque, le->version_id);
3500 fprintf(stderr, "Unknown savevm section type %d\n", section_type);
3510 LoadStateEntry *le = first_le;
3511 first_le = first_le->next;
3515 if (qemu_file_has_error(f))
3521 /* device can contain snapshots */
3522 static int bdrv_can_snapshot(BlockDriverState *bs)
3525 !bdrv_is_removable(bs) &&
3526 !bdrv_is_read_only(bs));
3529 /* device must be snapshots in order to have a reliable snapshot */
3530 static int bdrv_has_snapshot(BlockDriverState *bs)
3533 !bdrv_is_removable(bs) &&
3534 !bdrv_is_read_only(bs));
3537 static BlockDriverState *get_bs_snapshots(void)
3539 BlockDriverState *bs;
3543 return bs_snapshots;
3544 for(i = 0; i <= nb_drives; i++) {
3545 bs = drives_table[i].bdrv;
3546 if (bdrv_can_snapshot(bs))
3555 static int bdrv_snapshot_find(BlockDriverState *bs, QEMUSnapshotInfo *sn_info,
3558 QEMUSnapshotInfo *sn_tab, *sn;
3562 nb_sns = bdrv_snapshot_list(bs, &sn_tab);
3565 for(i = 0; i < nb_sns; i++) {
3567 if (!strcmp(sn->id_str, name) || !strcmp(sn->name, name)) {
3577 void do_savevm(const char *name)
3579 BlockDriverState *bs, *bs1;
3580 QEMUSnapshotInfo sn1, *sn = &sn1, old_sn1, *old_sn = &old_sn1;
3581 int must_delete, ret, i;
3582 BlockDriverInfo bdi1, *bdi = &bdi1;
3584 int saved_vm_running;
3591 bs = get_bs_snapshots();
3593 term_printf("No block device can accept snapshots\n");
3597 /* ??? Should this occur after vm_stop? */
3600 saved_vm_running = vm_running;
3605 ret = bdrv_snapshot_find(bs, old_sn, name);
3610 memset(sn, 0, sizeof(*sn));
3612 pstrcpy(sn->name, sizeof(sn->name), old_sn->name);
3613 pstrcpy(sn->id_str, sizeof(sn->id_str), old_sn->id_str);
3616 pstrcpy(sn->name, sizeof(sn->name), name);
3619 /* fill auxiliary fields */
3622 sn->date_sec = tb.time;
3623 sn->date_nsec = tb.millitm * 1000000;
3625 gettimeofday(&tv, NULL);
3626 sn->date_sec = tv.tv_sec;
3627 sn->date_nsec = tv.tv_usec * 1000;
3629 sn->vm_clock_nsec = qemu_get_clock(vm_clock);
3631 if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) {
3632 term_printf("Device %s does not support VM state snapshots\n",
3633 bdrv_get_device_name(bs));
3637 /* save the VM state */
3638 f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 1);
3640 term_printf("Could not open VM state file\n");
3643 ret = qemu_savevm_state(f);
3644 sn->vm_state_size = qemu_ftell(f);
3647 term_printf("Error %d while writing VM\n", ret);
3651 /* create the snapshots */
3653 for(i = 0; i < nb_drives; i++) {
3654 bs1 = drives_table[i].bdrv;
3655 if (bdrv_has_snapshot(bs1)) {
3657 ret = bdrv_snapshot_delete(bs1, old_sn->id_str);
3659 term_printf("Error while deleting snapshot on '%s'\n",
3660 bdrv_get_device_name(bs1));
3663 ret = bdrv_snapshot_create(bs1, sn);
3665 term_printf("Error while creating snapshot on '%s'\n",
3666 bdrv_get_device_name(bs1));
3672 if (saved_vm_running)
3676 void do_loadvm(const char *name)
3678 BlockDriverState *bs, *bs1;
3679 BlockDriverInfo bdi1, *bdi = &bdi1;
3682 int saved_vm_running;
3684 bs = get_bs_snapshots();
3686 term_printf("No block device supports snapshots\n");
3690 /* Flush all IO requests so they don't interfere with the new state. */
3693 saved_vm_running = vm_running;
3696 for(i = 0; i <= nb_drives; i++) {
3697 bs1 = drives_table[i].bdrv;
3698 if (bdrv_has_snapshot(bs1)) {
3699 ret = bdrv_snapshot_goto(bs1, name);
3702 term_printf("Warning: ");
3705 term_printf("Snapshots not supported on device '%s'\n",
3706 bdrv_get_device_name(bs1));
3709 term_printf("Could not find snapshot '%s' on device '%s'\n",
3710 name, bdrv_get_device_name(bs1));
3713 term_printf("Error %d while activating snapshot on '%s'\n",
3714 ret, bdrv_get_device_name(bs1));
3717 /* fatal on snapshot block device */
3724 if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) {
3725 term_printf("Device %s does not support VM state snapshots\n",
3726 bdrv_get_device_name(bs));
3730 /* restore the VM state */
3731 f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 0);
3733 term_printf("Could not open VM state file\n");
3736 ret = qemu_loadvm_state(f);
3739 term_printf("Error %d while loading VM state\n", ret);
3742 if (saved_vm_running)
3746 void do_delvm(const char *name)
3748 BlockDriverState *bs, *bs1;
3751 bs = get_bs_snapshots();
3753 term_printf("No block device supports snapshots\n");
3757 for(i = 0; i <= nb_drives; i++) {
3758 bs1 = drives_table[i].bdrv;
3759 if (bdrv_has_snapshot(bs1)) {
3760 ret = bdrv_snapshot_delete(bs1, name);
3762 if (ret == -ENOTSUP)
3763 term_printf("Snapshots not supported on device '%s'\n",
3764 bdrv_get_device_name(bs1));
3766 term_printf("Error %d while deleting snapshot on '%s'\n",
3767 ret, bdrv_get_device_name(bs1));
3773 void do_info_snapshots(void)
3775 BlockDriverState *bs, *bs1;
3776 QEMUSnapshotInfo *sn_tab, *sn;
3780 bs = get_bs_snapshots();
3782 term_printf("No available block device supports snapshots\n");
3785 term_printf("Snapshot devices:");
3786 for(i = 0; i <= nb_drives; i++) {
3787 bs1 = drives_table[i].bdrv;
3788 if (bdrv_has_snapshot(bs1)) {
3790 term_printf(" %s", bdrv_get_device_name(bs1));
3795 nb_sns = bdrv_snapshot_list(bs, &sn_tab);
3797 term_printf("bdrv_snapshot_list: error %d\n", nb_sns);
3800 term_printf("Snapshot list (from %s):\n", bdrv_get_device_name(bs));
3801 term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), NULL));
3802 for(i = 0; i < nb_sns; i++) {
3804 term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), sn));
3809 /***********************************************************/
3810 /* ram save/restore */
3812 static int ram_get_page(QEMUFile *f, uint8_t *buf, int len)
3816 v = qemu_get_byte(f);
3819 if (qemu_get_buffer(f, buf, len) != len)
3823 v = qemu_get_byte(f);
3824 memset(buf, v, len);
3830 if (qemu_file_has_error(f))
3836 static int ram_load_v1(QEMUFile *f, void *opaque)
3841 if (qemu_get_be32(f) != phys_ram_size)
3843 for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) {
3844 ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE);
3851 #define BDRV_HASH_BLOCK_SIZE 1024
3852 #define IOBUF_SIZE 4096
3853 #define RAM_CBLOCK_MAGIC 0xfabe
3855 typedef struct RamDecompressState {
3858 uint8_t buf[IOBUF_SIZE];
3859 } RamDecompressState;
3861 static int ram_decompress_open(RamDecompressState *s, QEMUFile *f)
3864 memset(s, 0, sizeof(*s));
3866 ret = inflateInit(&s->zstream);
3872 static int ram_decompress_buf(RamDecompressState *s, uint8_t *buf, int len)
3876 s->zstream.avail_out = len;
3877 s->zstream.next_out = buf;
3878 while (s->zstream.avail_out > 0) {
3879 if (s->zstream.avail_in == 0) {
3880 if (qemu_get_be16(s->f) != RAM_CBLOCK_MAGIC)
3882 clen = qemu_get_be16(s->f);
3883 if (clen > IOBUF_SIZE)
3885 qemu_get_buffer(s->f, s->buf, clen);
3886 s->zstream.avail_in = clen;
3887 s->zstream.next_in = s->buf;
3889 ret = inflate(&s->zstream, Z_PARTIAL_FLUSH);
3890 if (ret != Z_OK && ret != Z_STREAM_END) {
3897 static void ram_decompress_close(RamDecompressState *s)
3899 inflateEnd(&s->zstream);
3902 #define RAM_SAVE_FLAG_FULL 0x01
3903 #define RAM_SAVE_FLAG_COMPRESS 0x02
3904 #define RAM_SAVE_FLAG_MEM_SIZE 0x04
3905 #define RAM_SAVE_FLAG_PAGE 0x08
3906 #define RAM_SAVE_FLAG_EOS 0x10
3908 static int is_dup_page(uint8_t *page, uint8_t ch)
3910 uint32_t val = ch << 24 | ch << 16 | ch << 8 | ch;
3911 uint32_t *array = (uint32_t *)page;
3914 for (i = 0; i < (TARGET_PAGE_SIZE / 4); i++) {
3915 if (array[i] != val)
3922 static int ram_save_block(QEMUFile *f)
3924 static ram_addr_t current_addr = 0;
3925 ram_addr_t saved_addr = current_addr;
3926 ram_addr_t addr = 0;
3929 while (addr < phys_ram_size) {
3930 if (cpu_physical_memory_get_dirty(current_addr, MIGRATION_DIRTY_FLAG)) {
3933 cpu_physical_memory_reset_dirty(current_addr,
3934 current_addr + TARGET_PAGE_SIZE,
3935 MIGRATION_DIRTY_FLAG);
3937 ch = *(phys_ram_base + current_addr);
3939 if (is_dup_page(phys_ram_base + current_addr, ch)) {
3940 qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_COMPRESS);
3941 qemu_put_byte(f, ch);
3943 qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_PAGE);
3944 qemu_put_buffer(f, phys_ram_base + current_addr, TARGET_PAGE_SIZE);
3950 addr += TARGET_PAGE_SIZE;
3951 current_addr = (saved_addr + addr) % phys_ram_size;
3957 static ram_addr_t ram_save_threshold = 10;
3959 static ram_addr_t ram_save_remaining(void)
3962 ram_addr_t count = 0;
3964 for (addr = 0; addr < phys_ram_size; addr += TARGET_PAGE_SIZE) {
3965 if (cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG))
3972 static int ram_save_live(QEMUFile *f, int stage, void *opaque)
3977 /* Make sure all dirty bits are set */
3978 for (addr = 0; addr < phys_ram_size; addr += TARGET_PAGE_SIZE) {
3979 if (!cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG))
3980 cpu_physical_memory_set_dirty(addr);
3983 /* Enable dirty memory tracking */
3984 cpu_physical_memory_set_dirty_tracking(1);
3986 qemu_put_be64(f, phys_ram_size | RAM_SAVE_FLAG_MEM_SIZE);
3989 while (!qemu_file_rate_limit(f)) {
3992 ret = ram_save_block(f);
3993 if (ret == 0) /* no more blocks */
3997 /* try transferring iterative blocks of memory */
4000 cpu_physical_memory_set_dirty_tracking(0);
4002 /* flush all remaining blocks regardless of rate limiting */
4003 while (ram_save_block(f) != 0);
4006 qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
4008 return (stage == 2) && (ram_save_remaining() < ram_save_threshold);
4011 static int ram_load_dead(QEMUFile *f, void *opaque)
4013 RamDecompressState s1, *s = &s1;
4017 if (ram_decompress_open(s, f) < 0)
4019 for(i = 0; i < phys_ram_size; i+= BDRV_HASH_BLOCK_SIZE) {
4020 if (ram_decompress_buf(s, buf, 1) < 0) {
4021 fprintf(stderr, "Error while reading ram block header\n");
4025 if (ram_decompress_buf(s, phys_ram_base + i, BDRV_HASH_BLOCK_SIZE) < 0) {
4026 fprintf(stderr, "Error while reading ram block address=0x%08" PRIx64, (uint64_t)i);
4031 printf("Error block header\n");
4035 ram_decompress_close(s);
4040 static int ram_load(QEMUFile *f, void *opaque, int version_id)
4045 if (version_id == 1)
4046 return ram_load_v1(f, opaque);
4048 if (version_id == 2) {
4049 if (qemu_get_be32(f) != phys_ram_size)
4051 return ram_load_dead(f, opaque);
4054 if (version_id != 3)
4058 addr = qemu_get_be64(f);
4060 flags = addr & ~TARGET_PAGE_MASK;
4061 addr &= TARGET_PAGE_MASK;
4063 if (flags & RAM_SAVE_FLAG_MEM_SIZE) {
4064 if (addr != phys_ram_size)
4068 if (flags & RAM_SAVE_FLAG_FULL) {
4069 if (ram_load_dead(f, opaque) < 0)
4073 if (flags & RAM_SAVE_FLAG_COMPRESS) {
4074 uint8_t ch = qemu_get_byte(f);
4075 memset(phys_ram_base + addr, ch, TARGET_PAGE_SIZE);
4076 } else if (flags & RAM_SAVE_FLAG_PAGE)
4077 qemu_get_buffer(f, phys_ram_base + addr, TARGET_PAGE_SIZE);
4078 } while (!(flags & RAM_SAVE_FLAG_EOS));
4083 void qemu_service_io(void)
4085 CPUState *env = cpu_single_env;
4087 cpu_interrupt(env, CPU_INTERRUPT_EXIT);
4089 if (env->kqemu_enabled) {
4090 kqemu_cpu_interrupt(env);
4096 /***********************************************************/
4097 /* bottom halves (can be seen as timers which expire ASAP) */
4108 static QEMUBH *first_bh = NULL;
4110 QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque)
4113 bh = qemu_mallocz(sizeof(QEMUBH));
4117 bh->opaque = opaque;
4118 bh->next = first_bh;
4123 int qemu_bh_poll(void)
4129 for (bh = first_bh; bh; bh = bh->next) {
4130 if (!bh->deleted && bh->scheduled) {
4139 /* remove deleted bhs */
4153 void qemu_bh_schedule_idle(QEMUBH *bh)
4161 void qemu_bh_schedule(QEMUBH *bh)
4163 CPUState *env = cpu_single_env;
4168 /* stop the currently executing CPU to execute the BH ASAP */
4170 cpu_interrupt(env, CPU_INTERRUPT_EXIT);
4174 void qemu_bh_cancel(QEMUBH *bh)
4179 void qemu_bh_delete(QEMUBH *bh)
4185 static void qemu_bh_update_timeout(int *timeout)
4189 for (bh = first_bh; bh; bh = bh->next) {
4190 if (!bh->deleted && bh->scheduled) {
4192 /* idle bottom halves will be polled at least
4194 *timeout = MIN(10, *timeout);
4196 /* non-idle bottom halves will be executed
4205 /***********************************************************/
4206 /* machine registration */
4208 static QEMUMachine *first_machine = NULL;
4210 int qemu_register_machine(QEMUMachine *m)
4213 pm = &first_machine;
4221 static QEMUMachine *find_machine(const char *name)
4225 for(m = first_machine; m != NULL; m = m->next) {
4226 if (!strcmp(m->name, name))
4232 /***********************************************************/
4233 /* main execution loop */
4235 static void gui_update(void *opaque)
4237 DisplayState *ds = opaque;
4238 ds->dpy_refresh(ds);
4239 qemu_mod_timer(ds->gui_timer,
4240 (ds->gui_timer_interval ?
4241 ds->gui_timer_interval :
4242 GUI_REFRESH_INTERVAL)
4243 + qemu_get_clock(rt_clock));
4246 struct vm_change_state_entry {
4247 VMChangeStateHandler *cb;
4249 LIST_ENTRY (vm_change_state_entry) entries;
4252 static LIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
4254 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
4257 VMChangeStateEntry *e;
4259 e = qemu_mallocz(sizeof (*e));
4265 LIST_INSERT_HEAD(&vm_change_state_head, e, entries);
4269 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
4271 LIST_REMOVE (e, entries);
4275 static void vm_state_notify(int running)
4277 VMChangeStateEntry *e;
4279 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
4280 e->cb(e->opaque, running);
4284 /* XXX: support several handlers */
4285 static VMStopHandler *vm_stop_cb;
4286 static void *vm_stop_opaque;
4288 int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque)
4291 vm_stop_opaque = opaque;
4295 void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque)
4306 qemu_rearm_alarm_timer(alarm_timer);
4310 void vm_stop(int reason)
4313 cpu_disable_ticks();
4317 vm_stop_cb(vm_stop_opaque, reason);
4324 /* reset/shutdown handler */
4326 typedef struct QEMUResetEntry {
4327 QEMUResetHandler *func;
4329 struct QEMUResetEntry *next;
4332 static QEMUResetEntry *first_reset_entry;
4333 static int reset_requested;
4334 static int shutdown_requested;
4335 static int powerdown_requested;
4337 int qemu_shutdown_requested(void)
4339 int r = shutdown_requested;
4340 shutdown_requested = 0;
4344 int qemu_reset_requested(void)
4346 int r = reset_requested;
4347 reset_requested = 0;
4351 int qemu_powerdown_requested(void)
4353 int r = powerdown_requested;
4354 powerdown_requested = 0;
4358 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
4360 QEMUResetEntry **pre, *re;
4362 pre = &first_reset_entry;
4363 while (*pre != NULL)
4364 pre = &(*pre)->next;
4365 re = qemu_mallocz(sizeof(QEMUResetEntry));
4367 re->opaque = opaque;
4372 void qemu_system_reset(void)
4376 /* reset all devices */
4377 for(re = first_reset_entry; re != NULL; re = re->next) {
4378 re->func(re->opaque);
4382 void qemu_system_reset_request(void)
4385 shutdown_requested = 1;
4387 reset_requested = 1;
4390 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
4393 void qemu_system_shutdown_request(void)
4395 shutdown_requested = 1;
4397 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
4400 void qemu_system_powerdown_request(void)
4402 powerdown_requested = 1;
4404 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
4408 void host_main_loop_wait(int *timeout)
4414 /* XXX: need to suppress polling by better using win32 events */
4416 for(pe = first_polling_entry; pe != NULL; pe = pe->next) {
4417 ret |= pe->func(pe->opaque);
4421 WaitObjects *w = &wait_objects;
4423 ret = WaitForMultipleObjects(w->num, w->events, FALSE, *timeout);
4424 if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) {
4425 if (w->func[ret - WAIT_OBJECT_0])
4426 w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]);
4428 /* Check for additional signaled events */
4429 for(i = (ret - WAIT_OBJECT_0 + 1); i < w->num; i++) {
4431 /* Check if event is signaled */
4432 ret2 = WaitForSingleObject(w->events[i], 0);
4433 if(ret2 == WAIT_OBJECT_0) {
4435 w->func[i](w->opaque[i]);
4436 } else if (ret2 == WAIT_TIMEOUT) {
4438 err = GetLastError();
4439 fprintf(stderr, "WaitForSingleObject error %d %d\n", i, err);
4442 } else if (ret == WAIT_TIMEOUT) {
4444 err = GetLastError();
4445 fprintf(stderr, "WaitForMultipleObjects error %d %d\n", ret, err);
4452 void host_main_loop_wait(int *timeout)
4457 void main_loop_wait(int timeout)
4459 IOHandlerRecord *ioh;
4460 fd_set rfds, wfds, xfds;
4464 qemu_bh_update_timeout(&timeout);
4466 host_main_loop_wait(&timeout);
4468 /* poll any events */
4469 /* XXX: separate device handlers from system ones */
4470 nfds = alarm_timer_rfd;
4472 FD_SET(alarm_timer_rfd, &rfds);
4475 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
4479 (!ioh->fd_read_poll ||
4480 ioh->fd_read_poll(ioh->opaque) != 0)) {
4481 FD_SET(ioh->fd, &rfds);
4485 if (ioh->fd_write) {
4486 FD_SET(ioh->fd, &wfds);
4492 tv.tv_sec = timeout / 1000;
4493 tv.tv_usec = (timeout % 1000) * 1000;
4495 #if defined(CONFIG_SLIRP)
4496 if (slirp_is_inited()) {
4497 slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
4500 ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
4502 IOHandlerRecord **pioh;
4504 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
4505 if (!ioh->deleted && ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) {
4506 ioh->fd_read(ioh->opaque);
4508 if (!ioh->deleted && ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) {
4509 ioh->fd_write(ioh->opaque);
4513 /* remove deleted IO handlers */
4514 pioh = &first_io_handler;
4524 #if defined(CONFIG_SLIRP)
4525 if (slirp_is_inited()) {
4531 slirp_select_poll(&rfds, &wfds, &xfds);
4536 if (likely(!(cur_cpu->singlestep_enabled & SSTEP_NOTIMER)))
4537 qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL],
4538 qemu_get_clock(vm_clock));
4541 /* real time timers */
4542 qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME],
4543 qemu_get_clock(rt_clock));
4545 if (alarm_timer->flags & ALARM_FLAG_EXPIRED) {
4548 ret = read(alarm_timer_rfd, &byte, sizeof(byte));
4549 } while (ret != -1 || errno != EAGAIN);
4551 alarm_timer->flags &= ~(ALARM_FLAG_EXPIRED);
4552 qemu_rearm_alarm_timer(alarm_timer);
4555 /* Check bottom-halves last in case any of the earlier events triggered
4561 static int main_loop(void)
4564 #ifdef CONFIG_PROFILER
4569 cur_cpu = first_cpu;
4570 next_cpu = cur_cpu->next_cpu ?: first_cpu;
4577 #ifdef CONFIG_PROFILER
4578 ti = profile_getclock();
4583 qemu_icount -= (env->icount_decr.u16.low + env->icount_extra);
4584 env->icount_decr.u16.low = 0;
4585 env->icount_extra = 0;
4586 count = qemu_next_deadline();
4587 count = (count + (1 << icount_time_shift) - 1)
4588 >> icount_time_shift;
4589 qemu_icount += count;
4590 decr = (count > 0xffff) ? 0xffff : count;
4592 env->icount_decr.u16.low = decr;
4593 env->icount_extra = count;
4595 ret = cpu_exec(env);
4596 #ifdef CONFIG_PROFILER
4597 qemu_time += profile_getclock() - ti;
4600 /* Fold pending instructions back into the
4601 instruction counter, and clear the interrupt flag. */
4602 qemu_icount -= (env->icount_decr.u16.low
4603 + env->icount_extra);
4604 env->icount_decr.u32 = 0;
4605 env->icount_extra = 0;
4607 next_cpu = env->next_cpu ?: first_cpu;
4608 if (event_pending && likely(ret != EXCP_DEBUG)) {
4609 ret = EXCP_INTERRUPT;
4613 if (ret == EXCP_HLT) {
4614 /* Give the next CPU a chance to run. */
4618 if (ret != EXCP_HALTED)
4620 /* all CPUs are halted ? */
4626 if (shutdown_requested) {
4627 ret = EXCP_INTERRUPT;
4635 if (reset_requested) {
4636 reset_requested = 0;
4637 qemu_system_reset();
4638 ret = EXCP_INTERRUPT;
4640 if (powerdown_requested) {
4641 powerdown_requested = 0;
4642 qemu_system_powerdown();
4643 ret = EXCP_INTERRUPT;
4645 if (unlikely(ret == EXCP_DEBUG)) {
4646 vm_stop(EXCP_DEBUG);
4648 /* If all cpus are halted then wait until the next IRQ */
4649 /* XXX: use timeout computed from timers */
4650 if (ret == EXCP_HALTED) {
4654 /* Advance virtual time to the next event. */
4655 if (use_icount == 1) {
4656 /* When not using an adaptive execution frequency
4657 we tend to get badly out of sync with real time,
4658 so just delay for a reasonable amount of time. */
4661 delta = cpu_get_icount() - cpu_get_clock();
4664 /* If virtual time is ahead of real time then just
4666 timeout = (delta / 1000000) + 1;
4668 /* Wait for either IO to occur or the next
4670 add = qemu_next_deadline();
4671 /* We advance the timer before checking for IO.
4672 Limit the amount we advance so that early IO
4673 activity won't get the guest too far ahead. */
4677 add = (add + (1 << icount_time_shift) - 1)
4678 >> icount_time_shift;
4680 timeout = delta / 1000000;
4691 if (shutdown_requested) {
4692 ret = EXCP_INTERRUPT;
4697 #ifdef CONFIG_PROFILER
4698 ti = profile_getclock();
4700 main_loop_wait(timeout);
4701 #ifdef CONFIG_PROFILER
4702 dev_time += profile_getclock() - ti;
4705 cpu_disable_ticks();
4709 static void help(int exitcode)
4711 printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n"
4712 "usage: %s [options] [disk_image]\n"
4714 "'disk_image' is a raw hard image image for IDE hard disk 0\n"
4716 "Standard options:\n"
4717 "-M machine select emulated machine (-M ? for list)\n"
4718 "-cpu cpu select CPU (-cpu ? for list)\n"
4719 "-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
4720 "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
4721 "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
4722 "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
4723 "-drive [file=file][,if=type][,bus=n][,unit=m][,media=d][,index=i]\n"
4724 " [,cyls=c,heads=h,secs=s[,trans=t]][,snapshot=on|off]\n"
4725 " [,cache=writethrough|writeback|none][,format=f]\n"
4726 " use 'file' as a drive image\n"
4727 "-mtdblock file use 'file' as on-board Flash memory image\n"
4728 "-sd file use 'file' as SecureDigital card image\n"
4729 "-pflash file use 'file' as a parallel flash image\n"
4730 "-boot [a|c|d|n] boot on floppy (a), hard disk (c), CD-ROM (d), or network (n)\n"
4731 "-snapshot write to temporary files instead of disk image files\n"
4733 "-no-frame open SDL window without a frame and window decorations\n"
4734 "-alt-grab use Ctrl-Alt-Shift to grab mouse (instead of Ctrl-Alt)\n"
4735 "-no-quit disable SDL window close capability\n"
4738 "-no-fd-bootchk disable boot signature checking for floppy disks\n"
4740 "-m megs set virtual RAM size to megs MB [default=%d]\n"
4741 "-smp n set the number of CPUs to 'n' [default=1]\n"
4742 "-nographic disable graphical output and redirect serial I/Os to console\n"
4743 "-portrait rotate graphical output 90 deg left (only PXA LCD)\n"
4745 "-k language use keyboard layout (for example \"fr\" for French)\n"
4748 "-audio-help print list of audio drivers and their options\n"
4749 "-soundhw c1,... enable audio support\n"
4750 " and only specified sound cards (comma separated list)\n"
4751 " use -soundhw ? to get the list of supported cards\n"
4752 " use -soundhw all to enable all of them\n"
4754 "-vga [std|cirrus|vmware]\n"
4755 " select video card type\n"
4756 "-localtime set the real time clock to local time [default=utc]\n"
4757 "-full-screen start in full screen\n"
4759 "-win2k-hack use it when installing Windows 2000 to avoid a disk full bug\n"
4761 "-usb enable the USB driver (will be the default soon)\n"
4762 "-usbdevice name add the host or guest USB device 'name'\n"
4763 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
4764 "-g WxH[xDEPTH] Set the initial graphical resolution and depth\n"
4766 "-name string set the name of the guest\n"
4767 "-uuid %%08x-%%04x-%%04x-%%04x-%%012x specify machine UUID\n"
4769 "Network options:\n"
4770 "-net nic[,vlan=n][,macaddr=addr][,model=type]\n"
4771 " create a new Network Interface Card and connect it to VLAN 'n'\n"
4773 "-net user[,vlan=n][,hostname=host]\n"
4774 " connect the user mode network stack to VLAN 'n' and send\n"
4775 " hostname 'host' to DHCP clients\n"
4778 "-net tap[,vlan=n],ifname=name\n"
4779 " connect the host TAP network interface to VLAN 'n'\n"
4781 "-net tap[,vlan=n][,fd=h][,ifname=name][,script=file][,downscript=dfile]\n"
4782 " connect the host TAP network interface to VLAN 'n' and use the\n"
4783 " network scripts 'file' (default=%s)\n"
4784 " and 'dfile' (default=%s);\n"
4785 " use '[down]script=no' to disable script execution;\n"
4786 " use 'fd=h' to connect to an already opened TAP interface\n"
4788 "-net socket[,vlan=n][,fd=h][,listen=[host]:port][,connect=host:port]\n"
4789 " connect the vlan 'n' to another VLAN using a socket connection\n"
4790 "-net socket[,vlan=n][,fd=h][,mcast=maddr:port]\n"
4791 " connect the vlan 'n' to multicast maddr and port\n"
4793 "-net vde[,vlan=n][,sock=socketpath][,port=n][,group=groupname][,mode=octalmode]\n"
4794 " connect the vlan 'n' to port 'n' of a vde switch running\n"
4795 " on host and listening for incoming connections on 'socketpath'.\n"
4796 " Use group 'groupname' and mode 'octalmode' to change default\n"
4797 " ownership and permissions for communication port.\n"
4799 "-net none use it alone to have zero network devices; if no -net option\n"
4800 " is provided, the default is '-net nic -net user'\n"
4803 "-tftp dir allow tftp access to files in dir [-net user]\n"
4804 "-bootp file advertise file in BOOTP replies\n"
4806 "-smb dir allow SMB access to files in 'dir' [-net user]\n"
4808 "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
4809 " redirect TCP or UDP connections from host to guest [-net user]\n"
4812 "Linux boot specific:\n"
4813 "-kernel bzImage use 'bzImage' as kernel image\n"
4814 "-append cmdline use 'cmdline' as kernel command line\n"
4815 "-initrd file use 'file' as initial ram disk\n"
4817 "Debug/Expert options:\n"
4818 "-monitor dev redirect the monitor to char device 'dev'\n"
4819 "-serial dev redirect the serial port to char device 'dev'\n"
4820 "-parallel dev redirect the parallel port to char device 'dev'\n"
4821 "-pidfile file Write PID to 'file'\n"
4822 "-S freeze CPU at startup (use 'c' to start execution)\n"
4823 "-s wait gdb connection to port\n"
4824 "-p port set gdb connection port [default=%s]\n"
4825 "-d item1,... output log to %s (use -d ? for a list of log items)\n"
4826 "-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n"
4827 " translation (t=none or lba) (usually qemu can guess them)\n"
4828 "-L path set the directory for the BIOS, VGA BIOS and keymaps\n"
4830 "-kernel-kqemu enable KQEMU full virtualization (default is user mode only)\n"
4831 "-no-kqemu disable KQEMU kernel module usage\n"
4834 "-enable-kvm enable KVM full virtualization support\n"
4837 "-no-acpi disable ACPI\n"
4839 #ifdef CONFIG_CURSES
4840 "-curses use a curses/ncurses interface instead of SDL\n"
4842 "-no-reboot exit instead of rebooting\n"
4843 "-no-shutdown stop before shutdown\n"
4844 "-loadvm [tag|id] start right away with a saved state (loadvm in monitor)\n"
4845 "-vnc display start a VNC server on display\n"
4847 "-daemonize daemonize QEMU after initializing\n"
4849 "-option-rom rom load a file, rom, into the option ROM space\n"
4851 "-prom-env variable=value set OpenBIOS nvram variables\n"
4853 "-clock force the use of the given methods for timer alarm.\n"
4854 " To see what timers are available use -clock ?\n"
4855 "-startdate select initial date of the clock\n"
4856 "-icount [N|auto]\n"
4857 " Enable virtual instruction counter with 2^N clock ticks per instruction\n"
4859 "During emulation, the following keys are useful:\n"
4860 "ctrl-alt-f toggle full screen\n"
4861 "ctrl-alt-n switch to virtual console 'n'\n"
4862 "ctrl-alt toggle mouse and keyboard grab\n"
4864 "When using -nographic, press 'ctrl-a h' to get some help.\n"
4869 DEFAULT_NETWORK_SCRIPT,
4870 DEFAULT_NETWORK_DOWN_SCRIPT,
4872 DEFAULT_GDBSTUB_PORT,
4877 #define HAS_ARG 0x0001
4892 QEMU_OPTION_mtdblock,
4896 QEMU_OPTION_snapshot,
4898 QEMU_OPTION_no_fd_bootchk,
4901 QEMU_OPTION_nographic,
4902 QEMU_OPTION_portrait,
4904 QEMU_OPTION_audio_help,
4905 QEMU_OPTION_soundhw,
4926 QEMU_OPTION_localtime,
4930 QEMU_OPTION_monitor,
4932 QEMU_OPTION_parallel,
4934 QEMU_OPTION_full_screen,
4935 QEMU_OPTION_no_frame,
4936 QEMU_OPTION_alt_grab,
4937 QEMU_OPTION_no_quit,
4938 QEMU_OPTION_pidfile,
4939 QEMU_OPTION_no_kqemu,
4940 QEMU_OPTION_kernel_kqemu,
4941 QEMU_OPTION_enable_kvm,
4942 QEMU_OPTION_win2k_hack,
4944 QEMU_OPTION_usbdevice,
4947 QEMU_OPTION_no_acpi,
4949 QEMU_OPTION_no_reboot,
4950 QEMU_OPTION_no_shutdown,
4951 QEMU_OPTION_show_cursor,
4952 QEMU_OPTION_daemonize,
4953 QEMU_OPTION_option_rom,
4954 QEMU_OPTION_semihosting,
4956 QEMU_OPTION_prom_env,
4957 QEMU_OPTION_old_param,
4959 QEMU_OPTION_startdate,
4960 QEMU_OPTION_tb_size,
4963 QEMU_OPTION_incoming,
4966 typedef struct QEMUOption {
4972 static const QEMUOption qemu_options[] = {
4973 { "h", 0, QEMU_OPTION_h },
4974 { "help", 0, QEMU_OPTION_h },
4976 { "M", HAS_ARG, QEMU_OPTION_M },
4977 { "cpu", HAS_ARG, QEMU_OPTION_cpu },
4978 { "fda", HAS_ARG, QEMU_OPTION_fda },
4979 { "fdb", HAS_ARG, QEMU_OPTION_fdb },
4980 { "hda", HAS_ARG, QEMU_OPTION_hda },
4981 { "hdb", HAS_ARG, QEMU_OPTION_hdb },
4982 { "hdc", HAS_ARG, QEMU_OPTION_hdc },
4983 { "hdd", HAS_ARG, QEMU_OPTION_hdd },
4984 { "drive", HAS_ARG, QEMU_OPTION_drive },
4985 { "cdrom", HAS_ARG, QEMU_OPTION_cdrom },
4986 { "mtdblock", HAS_ARG, QEMU_OPTION_mtdblock },
4987 { "sd", HAS_ARG, QEMU_OPTION_sd },
4988 { "pflash", HAS_ARG, QEMU_OPTION_pflash },
4989 { "boot", HAS_ARG, QEMU_OPTION_boot },
4990 { "snapshot", 0, QEMU_OPTION_snapshot },
4992 { "no-fd-bootchk", 0, QEMU_OPTION_no_fd_bootchk },
4994 { "m", HAS_ARG, QEMU_OPTION_m },
4995 { "nographic", 0, QEMU_OPTION_nographic },
4996 { "portrait", 0, QEMU_OPTION_portrait },
4997 { "k", HAS_ARG, QEMU_OPTION_k },
4999 { "audio-help", 0, QEMU_OPTION_audio_help },
5000 { "soundhw", HAS_ARG, QEMU_OPTION_soundhw },
5003 { "net", HAS_ARG, QEMU_OPTION_net},
5005 { "tftp", HAS_ARG, QEMU_OPTION_tftp },
5006 { "bootp", HAS_ARG, QEMU_OPTION_bootp },
5008 { "smb", HAS_ARG, QEMU_OPTION_smb },
5010 { "redir", HAS_ARG, QEMU_OPTION_redir },
5013 { "kernel", HAS_ARG, QEMU_OPTION_kernel },
5014 { "append", HAS_ARG, QEMU_OPTION_append },
5015 { "initrd", HAS_ARG, QEMU_OPTION_initrd },
5017 { "S", 0, QEMU_OPTION_S },
5018 { "s", 0, QEMU_OPTION_s },
5019 { "p", HAS_ARG, QEMU_OPTION_p },
5020 { "d", HAS_ARG, QEMU_OPTION_d },
5021 { "hdachs", HAS_ARG, QEMU_OPTION_hdachs },
5022 { "L", HAS_ARG, QEMU_OPTION_L },
5023 { "bios", HAS_ARG, QEMU_OPTION_bios },
5025 { "no-kqemu", 0, QEMU_OPTION_no_kqemu },
5026 { "kernel-kqemu", 0, QEMU_OPTION_kernel_kqemu },
5029 { "enable-kvm", 0, QEMU_OPTION_enable_kvm },
5031 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
5032 { "g", 1, QEMU_OPTION_g },
5034 { "localtime", 0, QEMU_OPTION_localtime },
5035 { "vga", HAS_ARG, QEMU_OPTION_vga },
5036 { "echr", HAS_ARG, QEMU_OPTION_echr },
5037 { "monitor", HAS_ARG, QEMU_OPTION_monitor },
5038 { "serial", HAS_ARG, QEMU_OPTION_serial },
5039 { "parallel", HAS_ARG, QEMU_OPTION_parallel },
5040 { "loadvm", HAS_ARG, QEMU_OPTION_loadvm },
5041 { "full-screen", 0, QEMU_OPTION_full_screen },
5043 { "no-frame", 0, QEMU_OPTION_no_frame },
5044 { "alt-grab", 0, QEMU_OPTION_alt_grab },
5045 { "no-quit", 0, QEMU_OPTION_no_quit },
5047 { "pidfile", HAS_ARG, QEMU_OPTION_pidfile },
5048 { "win2k-hack", 0, QEMU_OPTION_win2k_hack },
5049 { "usbdevice", HAS_ARG, QEMU_OPTION_usbdevice },
5050 { "smp", HAS_ARG, QEMU_OPTION_smp },
5051 { "vnc", HAS_ARG, QEMU_OPTION_vnc },
5052 #ifdef CONFIG_CURSES
5053 { "curses", 0, QEMU_OPTION_curses },
5055 { "uuid", HAS_ARG, QEMU_OPTION_uuid },
5057 /* temporary options */
5058 { "usb", 0, QEMU_OPTION_usb },
5059 { "no-acpi", 0, QEMU_OPTION_no_acpi },
5060 { "no-reboot", 0, QEMU_OPTION_no_reboot },
5061 { "no-shutdown", 0, QEMU_OPTION_no_shutdown },
5062 { "show-cursor", 0, QEMU_OPTION_show_cursor },
5063 { "daemonize", 0, QEMU_OPTION_daemonize },
5064 { "option-rom", HAS_ARG, QEMU_OPTION_option_rom },
5065 #if defined(TARGET_ARM) || defined(TARGET_M68K)
5066 { "semihosting", 0, QEMU_OPTION_semihosting },
5068 { "name", HAS_ARG, QEMU_OPTION_name },
5069 #if defined(TARGET_SPARC)
5070 { "prom-env", HAS_ARG, QEMU_OPTION_prom_env },
5072 #if defined(TARGET_ARM)
5073 { "old-param", 0, QEMU_OPTION_old_param },
5075 { "clock", HAS_ARG, QEMU_OPTION_clock },
5076 { "startdate", HAS_ARG, QEMU_OPTION_startdate },
5077 { "tb-size", HAS_ARG, QEMU_OPTION_tb_size },
5078 { "icount", HAS_ARG, QEMU_OPTION_icount },
5079 { "incoming", HAS_ARG, QEMU_OPTION_incoming },
5083 /* password input */
5085 int qemu_key_check(BlockDriverState *bs, const char *name)
5090 if (!bdrv_is_encrypted(bs))
5093 term_printf("%s is encrypted.\n", name);
5094 for(i = 0; i < 3; i++) {
5095 monitor_readline("Password: ", 1, password, sizeof(password));
5096 if (bdrv_set_key(bs, password) == 0)
5098 term_printf("invalid password\n");
5103 static BlockDriverState *get_bdrv(int index)
5105 if (index > nb_drives)
5107 return drives_table[index].bdrv;
5110 static void read_passwords(void)
5112 BlockDriverState *bs;
5115 for(i = 0; i < 6; i++) {
5118 qemu_key_check(bs, bdrv_get_device_name(bs));
5123 struct soundhw soundhw[] = {
5124 #ifdef HAS_AUDIO_CHOICE
5125 #if defined(TARGET_I386) || defined(TARGET_MIPS)
5131 { .init_isa = pcspk_audio_init }
5136 "Creative Sound Blaster 16",
5139 { .init_isa = SB16_init }
5142 #ifdef CONFIG_CS4231A
5148 { .init_isa = cs4231a_init }
5156 "Yamaha YMF262 (OPL3)",
5158 "Yamaha YM3812 (OPL2)",
5162 { .init_isa = Adlib_init }
5169 "Gravis Ultrasound GF1",
5172 { .init_isa = GUS_init }
5179 "Intel 82801AA AC97 Audio",
5182 { .init_pci = ac97_init }
5188 "ENSONIQ AudioPCI ES1370",
5191 { .init_pci = es1370_init }
5195 { NULL, NULL, 0, 0, { NULL } }
5198 static void select_soundhw (const char *optarg)
5202 if (*optarg == '?') {
5205 printf ("Valid sound card names (comma separated):\n");
5206 for (c = soundhw; c->name; ++c) {
5207 printf ("%-11s %s\n", c->name, c->descr);
5209 printf ("\n-soundhw all will enable all of the above\n");
5210 exit (*optarg != '?');
5218 if (!strcmp (optarg, "all")) {
5219 for (c = soundhw; c->name; ++c) {
5227 e = strchr (p, ',');
5228 l = !e ? strlen (p) : (size_t) (e - p);
5230 for (c = soundhw; c->name; ++c) {
5231 if (!strncmp (c->name, p, l)) {
5240 "Unknown sound card name (too big to show)\n");
5243 fprintf (stderr, "Unknown sound card name `%.*s'\n",
5248 p += l + (e != NULL);
5252 goto show_valid_cards;
5257 static void select_vgahw (const char *p)
5261 if (strstart(p, "std", &opts)) {
5262 cirrus_vga_enabled = 0;
5264 } else if (strstart(p, "cirrus", &opts)) {
5265 cirrus_vga_enabled = 1;
5267 } else if (strstart(p, "vmware", &opts)) {
5268 cirrus_vga_enabled = 0;
5272 fprintf(stderr, "Unknown vga type: %s\n", p);
5276 const char *nextopt;
5278 if (strstart(opts, ",retrace=", &nextopt)) {
5280 if (strstart(opts, "dumb", &nextopt))
5281 vga_retrace_method = VGA_RETRACE_DUMB;
5282 else if (strstart(opts, "precise", &nextopt))
5283 vga_retrace_method = VGA_RETRACE_PRECISE;
5284 else goto invalid_vga;
5285 } else goto invalid_vga;
5291 static BOOL WINAPI qemu_ctrl_handler(DWORD type)
5293 exit(STATUS_CONTROL_C_EXIT);
5298 static int qemu_uuid_parse(const char *str, uint8_t *uuid)
5302 if(strlen(str) != 36)
5305 ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3],
5306 &uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9],
5307 &uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14], &uuid[15]);
5315 #define MAX_NET_CLIENTS 32
5319 static void termsig_handler(int signal)
5321 qemu_system_shutdown_request();
5324 static void termsig_setup(void)
5326 struct sigaction act;
5328 memset(&act, 0, sizeof(act));
5329 act.sa_handler = termsig_handler;
5330 sigaction(SIGINT, &act, NULL);
5331 sigaction(SIGHUP, &act, NULL);
5332 sigaction(SIGTERM, &act, NULL);
5337 int main(int argc, char **argv)
5339 #ifdef CONFIG_GDBSTUB
5341 const char *gdbstub_port;
5343 uint32_t boot_devices_bitmap = 0;
5345 int snapshot, linux_boot, net_boot;
5346 const char *initrd_filename;
5347 const char *kernel_filename, *kernel_cmdline;
5348 const char *boot_devices = "";
5349 DisplayState *ds = &display_state;
5350 int cyls, heads, secs, translation;
5351 const char *net_clients[MAX_NET_CLIENTS];
5355 const char *r, *optarg;
5356 CharDriverState *monitor_hd;
5357 const char *monitor_device;
5358 const char *serial_devices[MAX_SERIAL_PORTS];
5359 int serial_device_index;
5360 const char *parallel_devices[MAX_PARALLEL_PORTS];
5361 int parallel_device_index;
5362 const char *loadvm = NULL;
5363 QEMUMachine *machine;
5364 const char *cpu_model;
5365 const char *usb_devices[MAX_USB_CMDLINE];
5366 int usb_devices_index;
5369 const char *pid_file = NULL;
5371 const char *incoming = NULL;
5373 LIST_INIT (&vm_change_state_head);
5376 struct sigaction act;
5377 sigfillset(&act.sa_mask);
5379 act.sa_handler = SIG_IGN;
5380 sigaction(SIGPIPE, &act, NULL);
5383 SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE);
5384 /* Note: cpu_interrupt() is currently not SMP safe, so we force
5385 QEMU to run on a single CPU */
5390 h = GetCurrentProcess();
5391 if (GetProcessAffinityMask(h, &mask, &smask)) {
5392 for(i = 0; i < 32; i++) {
5393 if (mask & (1 << i))
5398 SetProcessAffinityMask(h, mask);
5404 register_machines();
5405 machine = first_machine;
5407 initrd_filename = NULL;
5409 vga_ram_size = VGA_RAM_SIZE;
5410 #ifdef CONFIG_GDBSTUB
5412 gdbstub_port = DEFAULT_GDBSTUB_PORT;
5417 kernel_filename = NULL;
5418 kernel_cmdline = "";
5419 cyls = heads = secs = 0;
5420 translation = BIOS_ATA_TRANSLATION_AUTO;
5421 monitor_device = "vc";
5423 serial_devices[0] = "vc:80Cx24C";
5424 for(i = 1; i < MAX_SERIAL_PORTS; i++)
5425 serial_devices[i] = NULL;
5426 serial_device_index = 0;
5428 parallel_devices[0] = "vc:640x480";
5429 for(i = 1; i < MAX_PARALLEL_PORTS; i++)
5430 parallel_devices[i] = NULL;
5431 parallel_device_index = 0;
5433 usb_devices_index = 0;
5451 hda_index = drive_add(argv[optind++], HD_ALIAS, 0);
5453 const QEMUOption *popt;
5456 /* Treat --foo the same as -foo. */
5459 popt = qemu_options;
5462 fprintf(stderr, "%s: invalid option -- '%s'\n",
5466 if (!strcmp(popt->name, r + 1))
5470 if (popt->flags & HAS_ARG) {
5471 if (optind >= argc) {
5472 fprintf(stderr, "%s: option '%s' requires an argument\n",
5476 optarg = argv[optind++];
5481 switch(popt->index) {
5483 machine = find_machine(optarg);
5486 printf("Supported machines are:\n");
5487 for(m = first_machine; m != NULL; m = m->next) {
5488 printf("%-10s %s%s\n",
5490 m == first_machine ? " (default)" : "");
5492 exit(*optarg != '?');
5495 case QEMU_OPTION_cpu:
5496 /* hw initialization will check this */
5497 if (*optarg == '?') {
5498 /* XXX: implement xxx_cpu_list for targets that still miss it */
5499 #if defined(cpu_list)
5500 cpu_list(stdout, &fprintf);
5507 case QEMU_OPTION_initrd:
5508 initrd_filename = optarg;
5510 case QEMU_OPTION_hda:
5512 hda_index = drive_add(optarg, HD_ALIAS, 0);
5514 hda_index = drive_add(optarg, HD_ALIAS
5515 ",cyls=%d,heads=%d,secs=%d%s",
5516 0, cyls, heads, secs,
5517 translation == BIOS_ATA_TRANSLATION_LBA ?
5519 translation == BIOS_ATA_TRANSLATION_NONE ?
5520 ",trans=none" : "");
5522 case QEMU_OPTION_hdb:
5523 case QEMU_OPTION_hdc:
5524 case QEMU_OPTION_hdd:
5525 drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda);
5527 case QEMU_OPTION_drive:
5528 drive_add(NULL, "%s", optarg);
5530 case QEMU_OPTION_mtdblock:
5531 drive_add(optarg, MTD_ALIAS);
5533 case QEMU_OPTION_sd:
5534 drive_add(optarg, SD_ALIAS);
5536 case QEMU_OPTION_pflash:
5537 drive_add(optarg, PFLASH_ALIAS);
5539 case QEMU_OPTION_snapshot:
5542 case QEMU_OPTION_hdachs:
5546 cyls = strtol(p, (char **)&p, 0);
5547 if (cyls < 1 || cyls > 16383)
5552 heads = strtol(p, (char **)&p, 0);
5553 if (heads < 1 || heads > 16)
5558 secs = strtol(p, (char **)&p, 0);
5559 if (secs < 1 || secs > 63)
5563 if (!strcmp(p, "none"))
5564 translation = BIOS_ATA_TRANSLATION_NONE;
5565 else if (!strcmp(p, "lba"))
5566 translation = BIOS_ATA_TRANSLATION_LBA;
5567 else if (!strcmp(p, "auto"))
5568 translation = BIOS_ATA_TRANSLATION_AUTO;
5571 } else if (*p != '\0') {
5573 fprintf(stderr, "qemu: invalid physical CHS format\n");
5576 if (hda_index != -1)
5577 snprintf(drives_opt[hda_index].opt,
5578 sizeof(drives_opt[hda_index].opt),
5579 HD_ALIAS ",cyls=%d,heads=%d,secs=%d%s",
5580 0, cyls, heads, secs,
5581 translation == BIOS_ATA_TRANSLATION_LBA ?
5583 translation == BIOS_ATA_TRANSLATION_NONE ?
5584 ",trans=none" : "");
5587 case QEMU_OPTION_nographic:
5590 #ifdef CONFIG_CURSES
5591 case QEMU_OPTION_curses:
5595 case QEMU_OPTION_portrait:
5598 case QEMU_OPTION_kernel:
5599 kernel_filename = optarg;
5601 case QEMU_OPTION_append:
5602 kernel_cmdline = optarg;
5604 case QEMU_OPTION_cdrom:
5605 drive_add(optarg, CDROM_ALIAS);
5607 case QEMU_OPTION_boot:
5608 boot_devices = optarg;
5609 /* We just do some generic consistency checks */
5611 /* Could easily be extended to 64 devices if needed */
5614 boot_devices_bitmap = 0;
5615 for (p = boot_devices; *p != '\0'; p++) {
5616 /* Allowed boot devices are:
5617 * a b : floppy disk drives
5618 * c ... f : IDE disk drives
5619 * g ... m : machine implementation dependant drives
5620 * n ... p : network devices
5621 * It's up to each machine implementation to check
5622 * if the given boot devices match the actual hardware
5623 * implementation and firmware features.
5625 if (*p < 'a' || *p > 'q') {
5626 fprintf(stderr, "Invalid boot device '%c'\n", *p);
5629 if (boot_devices_bitmap & (1 << (*p - 'a'))) {
5631 "Boot device '%c' was given twice\n",*p);
5634 boot_devices_bitmap |= 1 << (*p - 'a');
5638 case QEMU_OPTION_fda:
5639 case QEMU_OPTION_fdb:
5640 drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda);
5643 case QEMU_OPTION_no_fd_bootchk:
5647 case QEMU_OPTION_net:
5648 if (nb_net_clients >= MAX_NET_CLIENTS) {
5649 fprintf(stderr, "qemu: too many network clients\n");
5652 net_clients[nb_net_clients] = optarg;
5656 case QEMU_OPTION_tftp:
5657 tftp_prefix = optarg;
5659 case QEMU_OPTION_bootp:
5660 bootp_filename = optarg;
5663 case QEMU_OPTION_smb:
5664 net_slirp_smb(optarg);
5667 case QEMU_OPTION_redir:
5668 net_slirp_redir(optarg);
5672 case QEMU_OPTION_audio_help:
5676 case QEMU_OPTION_soundhw:
5677 select_soundhw (optarg);
5683 case QEMU_OPTION_m: {
5687 value = strtoul(optarg, &ptr, 10);
5689 case 0: case 'M': case 'm':
5696 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
5700 /* On 32-bit hosts, QEMU is limited by virtual address space */
5701 if (value > (2047 << 20)
5703 && HOST_LONG_BITS == 32
5706 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
5709 if (value != (uint64_t)(ram_addr_t)value) {
5710 fprintf(stderr, "qemu: ram size too large\n");
5719 const CPULogItem *item;
5721 mask = cpu_str_to_log_mask(optarg);
5723 printf("Log items (comma separated):\n");
5724 for(item = cpu_log_items; item->mask != 0; item++) {
5725 printf("%-10s %s\n", item->name, item->help);
5732 #ifdef CONFIG_GDBSTUB
5737 gdbstub_port = optarg;
5743 case QEMU_OPTION_bios:
5750 keyboard_layout = optarg;
5752 case QEMU_OPTION_localtime:
5755 case QEMU_OPTION_vga:
5756 select_vgahw (optarg);
5763 w = strtol(p, (char **)&p, 10);
5766 fprintf(stderr, "qemu: invalid resolution or depth\n");
5772 h = strtol(p, (char **)&p, 10);
5777 depth = strtol(p, (char **)&p, 10);
5778 if (depth != 8 && depth != 15 && depth != 16 &&
5779 depth != 24 && depth != 32)
5781 } else if (*p == '\0') {
5782 depth = graphic_depth;
5789 graphic_depth = depth;
5792 case QEMU_OPTION_echr:
5795 term_escape_char = strtol(optarg, &r, 0);
5797 printf("Bad argument to echr\n");
5800 case QEMU_OPTION_monitor:
5801 monitor_device = optarg;
5803 case QEMU_OPTION_serial:
5804 if (serial_device_index >= MAX_SERIAL_PORTS) {
5805 fprintf(stderr, "qemu: too many serial ports\n");
5808 serial_devices[serial_device_index] = optarg;
5809 serial_device_index++;
5811 case QEMU_OPTION_parallel:
5812 if (parallel_device_index >= MAX_PARALLEL_PORTS) {
5813 fprintf(stderr, "qemu: too many parallel ports\n");
5816 parallel_devices[parallel_device_index] = optarg;
5817 parallel_device_index++;
5819 case QEMU_OPTION_loadvm:
5822 case QEMU_OPTION_full_screen:
5826 case QEMU_OPTION_no_frame:
5829 case QEMU_OPTION_alt_grab:
5832 case QEMU_OPTION_no_quit:
5836 case QEMU_OPTION_pidfile:
5840 case QEMU_OPTION_win2k_hack:
5841 win2k_install_hack = 1;
5845 case QEMU_OPTION_no_kqemu:
5848 case QEMU_OPTION_kernel_kqemu:
5853 case QEMU_OPTION_enable_kvm:
5860 case QEMU_OPTION_usb:
5863 case QEMU_OPTION_usbdevice:
5865 if (usb_devices_index >= MAX_USB_CMDLINE) {
5866 fprintf(stderr, "Too many USB devices\n");
5869 usb_devices[usb_devices_index] = optarg;
5870 usb_devices_index++;
5872 case QEMU_OPTION_smp:
5873 smp_cpus = atoi(optarg);
5875 fprintf(stderr, "Invalid number of CPUs\n");
5879 case QEMU_OPTION_vnc:
5880 vnc_display = optarg;
5882 case QEMU_OPTION_no_acpi:
5885 case QEMU_OPTION_no_reboot:
5888 case QEMU_OPTION_no_shutdown:
5891 case QEMU_OPTION_show_cursor:
5894 case QEMU_OPTION_uuid:
5895 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
5896 fprintf(stderr, "Fail to parse UUID string."
5897 " Wrong format.\n");
5901 case QEMU_OPTION_daemonize:
5904 case QEMU_OPTION_option_rom:
5905 if (nb_option_roms >= MAX_OPTION_ROMS) {
5906 fprintf(stderr, "Too many option ROMs\n");
5909 option_rom[nb_option_roms] = optarg;
5912 case QEMU_OPTION_semihosting:
5913 semihosting_enabled = 1;
5915 case QEMU_OPTION_name:
5919 case QEMU_OPTION_prom_env:
5920 if (nb_prom_envs >= MAX_PROM_ENVS) {
5921 fprintf(stderr, "Too many prom variables\n");
5924 prom_envs[nb_prom_envs] = optarg;
5929 case QEMU_OPTION_old_param:
5933 case QEMU_OPTION_clock:
5934 configure_alarms(optarg);
5936 case QEMU_OPTION_startdate:
5939 time_t rtc_start_date;
5940 if (!strcmp(optarg, "now")) {
5941 rtc_date_offset = -1;
5943 if (sscanf(optarg, "%d-%d-%dT%d:%d:%d",
5951 } else if (sscanf(optarg, "%d-%d-%d",
5954 &tm.tm_mday) == 3) {
5963 rtc_start_date = mktimegm(&tm);
5964 if (rtc_start_date == -1) {
5966 fprintf(stderr, "Invalid date format. Valid format are:\n"
5967 "'now' or '2006-06-17T16:01:21' or '2006-06-17'\n");
5970 rtc_date_offset = time(NULL) - rtc_start_date;
5974 case QEMU_OPTION_tb_size:
5975 tb_size = strtol(optarg, NULL, 0);
5979 case QEMU_OPTION_icount:
5981 if (strcmp(optarg, "auto") == 0) {
5982 icount_time_shift = -1;
5984 icount_time_shift = strtol(optarg, NULL, 0);
5987 case QEMU_OPTION_incoming:
5994 #if defined(CONFIG_KVM) && defined(USE_KQEMU)
5995 if (kvm_allowed && kqemu_allowed) {
5997 "You can not enable both KVM and kqemu at the same time\n");
6002 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
6003 if (smp_cpus > machine->max_cpus) {
6004 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
6005 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
6011 if (serial_device_index == 0)
6012 serial_devices[0] = "stdio";
6013 if (parallel_device_index == 0)
6014 parallel_devices[0] = "null";
6015 if (strncmp(monitor_device, "vc", 2) == 0)
6016 monitor_device = "stdio";
6023 if (pipe(fds) == -1)
6034 len = read(fds[0], &status, 1);
6035 if (len == -1 && (errno == EINTR))
6040 else if (status == 1) {
6041 fprintf(stderr, "Could not acquire pidfile\n");
6058 signal(SIGTSTP, SIG_IGN);
6059 signal(SIGTTOU, SIG_IGN);
6060 signal(SIGTTIN, SIG_IGN);
6064 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
6067 write(fds[1], &status, 1);
6069 fprintf(stderr, "Could not acquire pid file\n");
6077 linux_boot = (kernel_filename != NULL);
6078 net_boot = (boot_devices_bitmap >> ('n' - 'a')) & 0xF;
6080 if (!linux_boot && net_boot == 0 &&
6081 !machine->nodisk_ok && nb_drives_opt == 0)
6084 if (!linux_boot && *kernel_cmdline != '\0') {
6085 fprintf(stderr, "-append only allowed with -kernel option\n");
6089 if (!linux_boot && initrd_filename != NULL) {
6090 fprintf(stderr, "-initrd only allowed with -kernel option\n");
6094 /* boot to floppy or the default cd if no hard disk defined yet */
6095 if (!boot_devices[0]) {
6096 boot_devices = "cad";
6098 setvbuf(stdout, NULL, _IOLBF, 0);
6101 if (init_timer_alarm() < 0) {
6102 fprintf(stderr, "could not initialize alarm timer\n");
6105 if (use_icount && icount_time_shift < 0) {
6107 /* 125MIPS seems a reasonable initial guess at the guest speed.
6108 It will be corrected fairly quickly anyway. */
6109 icount_time_shift = 3;
6110 init_icount_adjust();
6117 /* init network clients */
6118 if (nb_net_clients == 0) {
6119 /* if no clients, we use a default config */
6120 net_clients[nb_net_clients++] = "nic";
6122 net_clients[nb_net_clients++] = "user";
6126 for(i = 0;i < nb_net_clients; i++) {
6127 if (net_client_parse(net_clients[i]) < 0)
6133 /* XXX: this should be moved in the PC machine instantiation code */
6134 if (net_boot != 0) {
6136 for (i = 0; i < nb_nics && i < 4; i++) {
6137 const char *model = nd_table[i].model;
6139 if (net_boot & (1 << i)) {
6142 snprintf(buf, sizeof(buf), "%s/pxe-%s.bin", bios_dir, model);
6143 if (get_image_size(buf) > 0) {
6144 if (nb_option_roms >= MAX_OPTION_ROMS) {
6145 fprintf(stderr, "Too many option ROMs\n");
6148 option_rom[nb_option_roms] = strdup(buf);
6155 fprintf(stderr, "No valid PXE rom found for network device\n");
6161 /* init the memory */
6162 phys_ram_size = machine->ram_require & ~RAMSIZE_FIXED;
6164 if (machine->ram_require & RAMSIZE_FIXED) {
6166 if (ram_size < phys_ram_size) {
6167 fprintf(stderr, "Machine `%s' requires %llu bytes of memory\n",
6168 machine->name, (unsigned long long) phys_ram_size);
6172 phys_ram_size = ram_size;
6174 ram_size = phys_ram_size;
6177 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
6179 phys_ram_size += ram_size;
6182 phys_ram_base = qemu_vmalloc(phys_ram_size);
6183 if (!phys_ram_base) {
6184 fprintf(stderr, "Could not allocate physical memory\n");
6188 /* init the dynamic translator */
6189 cpu_exec_init_all(tb_size * 1024 * 1024);
6193 /* we always create the cdrom drive, even if no disk is there */
6195 if (nb_drives_opt < MAX_DRIVES)
6196 drive_add(NULL, CDROM_ALIAS);
6198 /* we always create at least one floppy */
6200 if (nb_drives_opt < MAX_DRIVES)
6201 drive_add(NULL, FD_ALIAS, 0);
6203 /* we always create one sd slot, even if no card is in it */
6205 if (nb_drives_opt < MAX_DRIVES)
6206 drive_add(NULL, SD_ALIAS);
6208 /* open the virtual block devices */
6210 for(i = 0; i < nb_drives_opt; i++)
6211 if (drive_init(&drives_opt[i], snapshot, machine) == -1)
6214 register_savevm("timer", 0, 2, timer_save, timer_load, NULL);
6215 register_savevm_live("ram", 0, 3, ram_save_live, NULL, ram_load, NULL);
6218 memset(&display_state, 0, sizeof(display_state));
6221 fprintf(stderr, "fatal: -nographic can't be used with -curses\n");
6224 /* nearly nothing to do */
6225 dumb_display_init(ds);
6226 } else if (vnc_display != NULL) {
6227 vnc_display_init(ds);
6228 if (vnc_display_open(ds, vnc_display) < 0)
6231 #if defined(CONFIG_CURSES)
6233 curses_display_init(ds, full_screen);
6237 #if defined(CONFIG_SDL)
6238 sdl_display_init(ds, full_screen, no_frame);
6239 #elif defined(CONFIG_COCOA)
6240 cocoa_display_init(ds, full_screen);
6242 dumb_display_init(ds);
6247 /* must be after terminal init, SDL library changes signal handlers */
6251 /* Maintain compatibility with multiple stdio monitors */
6252 if (!strcmp(monitor_device,"stdio")) {
6253 for (i = 0; i < MAX_SERIAL_PORTS; i++) {
6254 const char *devname = serial_devices[i];
6255 if (devname && !strcmp(devname,"mon:stdio")) {
6256 monitor_device = NULL;
6258 } else if (devname && !strcmp(devname,"stdio")) {
6259 monitor_device = NULL;
6260 serial_devices[i] = "mon:stdio";
6265 if (monitor_device) {
6266 monitor_hd = qemu_chr_open("monitor", monitor_device);
6268 fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device);
6271 monitor_init(monitor_hd, !nographic);
6274 for(i = 0; i < MAX_SERIAL_PORTS; i++) {
6275 const char *devname = serial_devices[i];
6276 if (devname && strcmp(devname, "none")) {
6278 snprintf(label, sizeof(label), "serial%d", i);
6279 serial_hds[i] = qemu_chr_open(label, devname);
6280 if (!serial_hds[i]) {
6281 fprintf(stderr, "qemu: could not open serial device '%s'\n",
6285 if (strstart(devname, "vc", 0))
6286 qemu_chr_printf(serial_hds[i], "serial%d console\r\n", i);
6290 for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
6291 const char *devname = parallel_devices[i];
6292 if (devname && strcmp(devname, "none")) {
6294 snprintf(label, sizeof(label), "parallel%d", i);
6295 parallel_hds[i] = qemu_chr_open(label, devname);
6296 if (!parallel_hds[i]) {
6297 fprintf(stderr, "qemu: could not open parallel device '%s'\n",
6301 if (strstart(devname, "vc", 0))
6302 qemu_chr_printf(parallel_hds[i], "parallel%d console\r\n", i);
6306 if (kvm_enabled()) {
6309 ret = kvm_init(smp_cpus);
6311 fprintf(stderr, "failed to initialize KVM\n");
6316 machine->init(ram_size, vga_ram_size, boot_devices, ds,
6317 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
6319 /* init USB devices */
6321 for(i = 0; i < usb_devices_index; i++) {
6322 if (usb_device_add(usb_devices[i]) < 0) {
6323 fprintf(stderr, "Warning: could not add USB device %s\n",
6329 if (display_state.dpy_refresh) {
6330 display_state.gui_timer = qemu_new_timer(rt_clock, gui_update, &display_state);
6331 qemu_mod_timer(display_state.gui_timer, qemu_get_clock(rt_clock));
6334 #ifdef CONFIG_GDBSTUB
6336 /* XXX: use standard host:port notation and modify options
6338 if (gdbserver_start(gdbstub_port) < 0) {
6339 fprintf(stderr, "qemu: could not open gdbstub device on port '%s'\n",
6350 autostart = 0; /* fixme how to deal with -daemonize */
6351 qemu_start_incoming_migration(incoming);
6355 /* XXX: simplify init */
6368 len = write(fds[1], &status, 1);
6369 if (len == -1 && (errno == EINTR))
6376 TFR(fd = open("/dev/null", O_RDWR));