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"
39 #include "cache-utils.h"
41 #include "audio/audio.h"
42 #include "migration.h"
55 #include <sys/times.h>
59 #include <sys/ioctl.h>
60 #include <sys/resource.h>
61 #include <sys/socket.h>
62 #include <netinet/in.h>
64 #if defined(__NetBSD__)
65 #include <net/if_tap.h>
68 #include <linux/if_tun.h>
70 #include <arpa/inet.h>
73 #include <sys/select.h>
81 #elif defined (__GLIBC__) && defined (__FreeBSD_kernel__)
82 #include <freebsd/stdlib.h>
87 #include <linux/rtc.h>
89 /* For the benefit of older linux systems which don't supply it,
90 we use a local copy of hpet.h. */
91 /* #include <linux/hpet.h> */
94 #include <linux/ppdev.h>
95 #include <linux/parport.h>
99 #include <sys/ethernet.h>
100 #include <sys/sockio.h>
101 #include <netinet/arp.h>
102 #include <netinet/in.h>
103 #include <netinet/in_systm.h>
104 #include <netinet/ip.h>
105 #include <netinet/ip_icmp.h> // must come after ip.h
106 #include <netinet/udp.h>
107 #include <netinet/tcp.h>
115 #include "qemu_socket.h"
117 #if defined(CONFIG_SLIRP)
118 #include "libslirp.h"
121 #if defined(__OpenBSD__)
125 #if defined(CONFIG_VDE)
126 #include <libvdeplug.h>
131 #include <sys/timeb.h>
132 #include <mmsystem.h>
133 #define getopt_long_only getopt_long
134 #define memalign(align, size) malloc(size)
141 #endif /* CONFIG_SDL */
145 #define main qemu_main
146 #endif /* CONFIG_COCOA */
150 #include "exec-all.h"
152 //#define DEBUG_UNUSED_IOPORT
153 //#define DEBUG_IOPORT
155 //#define DEBUG_SLIRP
159 # define LOG_IOPORT(...) qemu_log_mask(CPU_LOG_IOPORT, ## __VA_ARGS__)
161 # define LOG_IOPORT(...) do { } while (0)
165 #define DEFAULT_RAM_SIZE 144
167 #define DEFAULT_RAM_SIZE 128
170 /* Max number of USB devices that can be specified on the commandline. */
171 #define MAX_USB_CMDLINE 8
173 /* Max number of bluetooth switches on the commandline. */
174 #define MAX_BT_CMDLINE 10
176 /* XXX: use a two level table to limit memory usage */
177 #define MAX_IOPORTS 65536
179 const char *bios_dir = CONFIG_QEMU_SHAREDIR;
180 const char *bios_name = NULL;
181 static void *ioport_opaque[MAX_IOPORTS];
182 static IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS];
183 static IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS];
184 /* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available
185 to store the VM snapshots */
186 DriveInfo drives_table[MAX_DRIVES+1];
188 static int vga_ram_size;
189 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
190 static DisplayState *display_state;
194 const char* keyboard_layout = NULL;
195 int64_t ticks_per_sec;
198 NICInfo nd_table[MAX_NICS];
200 static int rtc_utc = 1;
201 static int rtc_date_offset = -1; /* -1 means no change */
202 int cirrus_vga_enabled = 1;
203 int std_vga_enabled = 0;
204 int vmsvga_enabled = 0;
206 int graphic_width = 1024;
207 int graphic_height = 768;
208 int graphic_depth = 8;
210 int graphic_width = 800;
211 int graphic_height = 600;
212 int graphic_depth = 15;
214 static int full_screen = 0;
216 static int no_frame = 0;
219 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
220 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
221 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
223 int win2k_install_hack = 0;
228 const char *vnc_display;
229 int acpi_enabled = 1;
235 int graphic_rotate = 0;
237 const char *option_rom[MAX_OPTION_ROMS];
239 int semihosting_enabled = 0;
243 const char *qemu_name;
245 #if defined(TARGET_SPARC) || defined(TARGET_PPC)
246 unsigned int nb_prom_envs = 0;
247 const char *prom_envs[MAX_PROM_ENVS];
249 static int nb_drives_opt;
250 static struct drive_opt {
253 } drives_opt[MAX_DRIVES];
255 static CPUState *cur_cpu;
256 static CPUState *next_cpu;
257 static int event_pending = 1;
258 /* Conversion factor from emulated instructions to virtual clock ticks. */
259 static int icount_time_shift;
260 /* Arbitrarily pick 1MIPS as the minimum allowable speed. */
261 #define MAX_ICOUNT_SHIFT 10
262 /* Compensate for varying guest execution speed. */
263 static int64_t qemu_icount_bias;
264 static QEMUTimer *icount_rt_timer;
265 static QEMUTimer *icount_vm_timer;
267 uint8_t qemu_uuid[16];
269 /***********************************************************/
270 /* x86 ISA bus support */
272 target_phys_addr_t isa_mem_base = 0;
275 static IOPortReadFunc default_ioport_readb, default_ioport_readw, default_ioport_readl;
276 static IOPortWriteFunc default_ioport_writeb, default_ioport_writew, default_ioport_writel;
278 static uint32_t ioport_read(int index, uint32_t address)
280 static IOPortReadFunc *default_func[3] = {
281 default_ioport_readb,
282 default_ioport_readw,
285 IOPortReadFunc *func = ioport_read_table[index][address];
287 func = default_func[index];
288 return func(ioport_opaque[address], address);
291 static void ioport_write(int index, uint32_t address, uint32_t data)
293 static IOPortWriteFunc *default_func[3] = {
294 default_ioport_writeb,
295 default_ioport_writew,
296 default_ioport_writel
298 IOPortWriteFunc *func = ioport_write_table[index][address];
300 func = default_func[index];
301 func(ioport_opaque[address], address, data);
304 static uint32_t default_ioport_readb(void *opaque, uint32_t address)
306 #ifdef DEBUG_UNUSED_IOPORT
307 fprintf(stderr, "unused inb: port=0x%04x\n", address);
312 static void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data)
314 #ifdef DEBUG_UNUSED_IOPORT
315 fprintf(stderr, "unused outb: port=0x%04x data=0x%02x\n", address, data);
319 /* default is to make two byte accesses */
320 static uint32_t default_ioport_readw(void *opaque, uint32_t address)
323 data = ioport_read(0, address);
324 address = (address + 1) & (MAX_IOPORTS - 1);
325 data |= ioport_read(0, address) << 8;
329 static void default_ioport_writew(void *opaque, uint32_t address, uint32_t data)
331 ioport_write(0, address, data & 0xff);
332 address = (address + 1) & (MAX_IOPORTS - 1);
333 ioport_write(0, address, (data >> 8) & 0xff);
336 static uint32_t default_ioport_readl(void *opaque, uint32_t address)
338 #ifdef DEBUG_UNUSED_IOPORT
339 fprintf(stderr, "unused inl: port=0x%04x\n", address);
344 static void default_ioport_writel(void *opaque, uint32_t address, uint32_t data)
346 #ifdef DEBUG_UNUSED_IOPORT
347 fprintf(stderr, "unused outl: port=0x%04x data=0x%02x\n", address, data);
351 /* size is the word size in byte */
352 int register_ioport_read(int start, int length, int size,
353 IOPortReadFunc *func, void *opaque)
359 } else if (size == 2) {
361 } else if (size == 4) {
364 hw_error("register_ioport_read: invalid size");
367 for(i = start; i < start + length; i += size) {
368 ioport_read_table[bsize][i] = func;
369 if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
370 hw_error("register_ioport_read: invalid opaque");
371 ioport_opaque[i] = opaque;
376 /* size is the word size in byte */
377 int register_ioport_write(int start, int length, int size,
378 IOPortWriteFunc *func, void *opaque)
384 } else if (size == 2) {
386 } else if (size == 4) {
389 hw_error("register_ioport_write: invalid size");
392 for(i = start; i < start + length; i += size) {
393 ioport_write_table[bsize][i] = func;
394 if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
395 hw_error("register_ioport_write: invalid opaque");
396 ioport_opaque[i] = opaque;
401 void isa_unassign_ioport(int start, int length)
405 for(i = start; i < start + length; i++) {
406 ioport_read_table[0][i] = default_ioport_readb;
407 ioport_read_table[1][i] = default_ioport_readw;
408 ioport_read_table[2][i] = default_ioport_readl;
410 ioport_write_table[0][i] = default_ioport_writeb;
411 ioport_write_table[1][i] = default_ioport_writew;
412 ioport_write_table[2][i] = default_ioport_writel;
416 /***********************************************************/
418 void cpu_outb(CPUState *env, int addr, int val)
420 LOG_IOPORT("outb: %04x %02x\n", addr, val);
421 ioport_write(0, addr, val);
424 env->last_io_time = cpu_get_time_fast();
428 void cpu_outw(CPUState *env, int addr, int val)
430 LOG_IOPORT("outw: %04x %04x\n", addr, val);
431 ioport_write(1, addr, val);
434 env->last_io_time = cpu_get_time_fast();
438 void cpu_outl(CPUState *env, int addr, int val)
440 LOG_IOPORT("outl: %04x %08x\n", addr, val);
441 ioport_write(2, addr, val);
444 env->last_io_time = cpu_get_time_fast();
448 int cpu_inb(CPUState *env, int addr)
451 val = ioport_read(0, addr);
452 LOG_IOPORT("inb : %04x %02x\n", addr, val);
455 env->last_io_time = cpu_get_time_fast();
460 int cpu_inw(CPUState *env, int addr)
463 val = ioport_read(1, addr);
464 LOG_IOPORT("inw : %04x %04x\n", addr, val);
467 env->last_io_time = cpu_get_time_fast();
472 int cpu_inl(CPUState *env, int addr)
475 val = ioport_read(2, addr);
476 LOG_IOPORT("inl : %04x %08x\n", addr, val);
479 env->last_io_time = cpu_get_time_fast();
484 /***********************************************************/
485 void hw_error(const char *fmt, ...)
491 fprintf(stderr, "qemu: hardware error: ");
492 vfprintf(stderr, fmt, ap);
493 fprintf(stderr, "\n");
494 for(env = first_cpu; env != NULL; env = env->next_cpu) {
495 fprintf(stderr, "CPU #%d:\n", env->cpu_index);
497 cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU);
499 cpu_dump_state(env, stderr, fprintf, 0);
509 static QEMUBalloonEvent *qemu_balloon_event;
510 void *qemu_balloon_event_opaque;
512 void qemu_add_balloon_handler(QEMUBalloonEvent *func, void *opaque)
514 qemu_balloon_event = func;
515 qemu_balloon_event_opaque = opaque;
518 void qemu_balloon(ram_addr_t target)
520 if (qemu_balloon_event)
521 qemu_balloon_event(qemu_balloon_event_opaque, target);
524 ram_addr_t qemu_balloon_status(void)
526 if (qemu_balloon_event)
527 return qemu_balloon_event(qemu_balloon_event_opaque, 0);
531 /***********************************************************/
534 static QEMUPutKBDEvent *qemu_put_kbd_event;
535 static void *qemu_put_kbd_event_opaque;
536 static QEMUPutMouseEntry *qemu_put_mouse_event_head;
537 static QEMUPutMouseEntry *qemu_put_mouse_event_current;
539 void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
541 qemu_put_kbd_event_opaque = opaque;
542 qemu_put_kbd_event = func;
545 QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func,
546 void *opaque, int absolute,
549 QEMUPutMouseEntry *s, *cursor;
551 s = qemu_mallocz(sizeof(QEMUPutMouseEntry));
555 s->qemu_put_mouse_event = func;
556 s->qemu_put_mouse_event_opaque = opaque;
557 s->qemu_put_mouse_event_absolute = absolute;
558 s->qemu_put_mouse_event_name = qemu_strdup(name);
561 if (!qemu_put_mouse_event_head) {
562 qemu_put_mouse_event_head = qemu_put_mouse_event_current = s;
566 cursor = qemu_put_mouse_event_head;
567 while (cursor->next != NULL)
568 cursor = cursor->next;
571 qemu_put_mouse_event_current = s;
576 void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry)
578 QEMUPutMouseEntry *prev = NULL, *cursor;
580 if (!qemu_put_mouse_event_head || entry == NULL)
583 cursor = qemu_put_mouse_event_head;
584 while (cursor != NULL && cursor != entry) {
586 cursor = cursor->next;
589 if (cursor == NULL) // does not exist or list empty
591 else if (prev == NULL) { // entry is head
592 qemu_put_mouse_event_head = cursor->next;
593 if (qemu_put_mouse_event_current == entry)
594 qemu_put_mouse_event_current = cursor->next;
595 qemu_free(entry->qemu_put_mouse_event_name);
600 prev->next = entry->next;
602 if (qemu_put_mouse_event_current == entry)
603 qemu_put_mouse_event_current = prev;
605 qemu_free(entry->qemu_put_mouse_event_name);
609 void kbd_put_keycode(int keycode)
611 if (qemu_put_kbd_event) {
612 qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode);
616 void kbd_mouse_event(int dx, int dy, int dz, int buttons_state)
618 QEMUPutMouseEvent *mouse_event;
619 void *mouse_event_opaque;
622 if (!qemu_put_mouse_event_current) {
627 qemu_put_mouse_event_current->qemu_put_mouse_event;
629 qemu_put_mouse_event_current->qemu_put_mouse_event_opaque;
632 if (graphic_rotate) {
633 if (qemu_put_mouse_event_current->qemu_put_mouse_event_absolute)
636 width = graphic_width - 1;
637 mouse_event(mouse_event_opaque,
638 width - dy, dx, dz, buttons_state);
640 mouse_event(mouse_event_opaque,
641 dx, dy, dz, buttons_state);
645 int kbd_mouse_is_absolute(void)
647 if (!qemu_put_mouse_event_current)
650 return qemu_put_mouse_event_current->qemu_put_mouse_event_absolute;
653 void do_info_mice(void)
655 QEMUPutMouseEntry *cursor;
658 if (!qemu_put_mouse_event_head) {
659 term_printf("No mouse devices connected\n");
663 term_printf("Mouse devices available:\n");
664 cursor = qemu_put_mouse_event_head;
665 while (cursor != NULL) {
666 term_printf("%c Mouse #%d: %s\n",
667 (cursor == qemu_put_mouse_event_current ? '*' : ' '),
668 index, cursor->qemu_put_mouse_event_name);
670 cursor = cursor->next;
674 void do_mouse_set(int index)
676 QEMUPutMouseEntry *cursor;
679 if (!qemu_put_mouse_event_head) {
680 term_printf("No mouse devices connected\n");
684 cursor = qemu_put_mouse_event_head;
685 while (cursor != NULL && index != i) {
687 cursor = cursor->next;
691 qemu_put_mouse_event_current = cursor;
693 term_printf("Mouse at given index not found\n");
696 /* compute with 96 bit intermediate result: (a*b)/c */
697 uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
702 #ifdef WORDS_BIGENDIAN
712 rl = (uint64_t)u.l.low * (uint64_t)b;
713 rh = (uint64_t)u.l.high * (uint64_t)b;
716 res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
720 /***********************************************************/
721 /* real time host monotonic timer */
723 #define QEMU_TIMER_BASE 1000000000LL
727 static int64_t clock_freq;
729 static void init_get_clock(void)
733 ret = QueryPerformanceFrequency(&freq);
735 fprintf(stderr, "Could not calibrate ticks\n");
738 clock_freq = freq.QuadPart;
741 static int64_t get_clock(void)
744 QueryPerformanceCounter(&ti);
745 return muldiv64(ti.QuadPart, QEMU_TIMER_BASE, clock_freq);
750 static int use_rt_clock;
752 static void init_get_clock(void)
755 #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000)
758 if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) {
765 static int64_t get_clock(void)
767 #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000)
770 clock_gettime(CLOCK_MONOTONIC, &ts);
771 return ts.tv_sec * 1000000000LL + ts.tv_nsec;
775 /* XXX: using gettimeofday leads to problems if the date
776 changes, so it should be avoided. */
778 gettimeofday(&tv, NULL);
779 return tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000);
784 /* Return the virtual CPU time, based on the instruction counter. */
785 static int64_t cpu_get_icount(void)
788 CPUState *env = cpu_single_env;;
789 icount = qemu_icount;
792 fprintf(stderr, "Bad clock read\n");
793 icount -= (env->icount_decr.u16.low + env->icount_extra);
795 return qemu_icount_bias + (icount << icount_time_shift);
798 /***********************************************************/
799 /* guest cycle counter */
801 static int64_t cpu_ticks_prev;
802 static int64_t cpu_ticks_offset;
803 static int64_t cpu_clock_offset;
804 static int cpu_ticks_enabled;
806 /* return the host CPU cycle counter and handle stop/restart */
807 int64_t cpu_get_ticks(void)
810 return cpu_get_icount();
812 if (!cpu_ticks_enabled) {
813 return cpu_ticks_offset;
816 ticks = cpu_get_real_ticks();
817 if (cpu_ticks_prev > ticks) {
818 /* Note: non increasing ticks may happen if the host uses
820 cpu_ticks_offset += cpu_ticks_prev - ticks;
822 cpu_ticks_prev = ticks;
823 return ticks + cpu_ticks_offset;
827 /* return the host CPU monotonic timer and handle stop/restart */
828 static int64_t cpu_get_clock(void)
831 if (!cpu_ticks_enabled) {
832 return cpu_clock_offset;
835 return ti + cpu_clock_offset;
839 /* enable cpu_get_ticks() */
840 void cpu_enable_ticks(void)
842 if (!cpu_ticks_enabled) {
843 cpu_ticks_offset -= cpu_get_real_ticks();
844 cpu_clock_offset -= get_clock();
845 cpu_ticks_enabled = 1;
849 /* disable cpu_get_ticks() : the clock is stopped. You must not call
850 cpu_get_ticks() after that. */
851 void cpu_disable_ticks(void)
853 if (cpu_ticks_enabled) {
854 cpu_ticks_offset = cpu_get_ticks();
855 cpu_clock_offset = cpu_get_clock();
856 cpu_ticks_enabled = 0;
860 /***********************************************************/
863 #define QEMU_TIMER_REALTIME 0
864 #define QEMU_TIMER_VIRTUAL 1
868 /* XXX: add frequency */
876 struct QEMUTimer *next;
879 struct qemu_alarm_timer {
883 int (*start)(struct qemu_alarm_timer *t);
884 void (*stop)(struct qemu_alarm_timer *t);
885 void (*rearm)(struct qemu_alarm_timer *t);
889 #define ALARM_FLAG_DYNTICKS 0x1
890 #define ALARM_FLAG_EXPIRED 0x2
892 static inline int alarm_has_dynticks(struct qemu_alarm_timer *t)
894 return t->flags & ALARM_FLAG_DYNTICKS;
897 static void qemu_rearm_alarm_timer(struct qemu_alarm_timer *t)
899 if (!alarm_has_dynticks(t))
905 /* TODO: MIN_TIMER_REARM_US should be optimized */
906 #define MIN_TIMER_REARM_US 250
908 static struct qemu_alarm_timer *alarm_timer;
910 static int alarm_timer_rfd, alarm_timer_wfd;
915 struct qemu_alarm_win32 {
919 } alarm_win32_data = {0, NULL, -1};
921 static int win32_start_timer(struct qemu_alarm_timer *t);
922 static void win32_stop_timer(struct qemu_alarm_timer *t);
923 static void win32_rearm_timer(struct qemu_alarm_timer *t);
927 static int unix_start_timer(struct qemu_alarm_timer *t);
928 static void unix_stop_timer(struct qemu_alarm_timer *t);
932 static int dynticks_start_timer(struct qemu_alarm_timer *t);
933 static void dynticks_stop_timer(struct qemu_alarm_timer *t);
934 static void dynticks_rearm_timer(struct qemu_alarm_timer *t);
936 static int hpet_start_timer(struct qemu_alarm_timer *t);
937 static void hpet_stop_timer(struct qemu_alarm_timer *t);
939 static int rtc_start_timer(struct qemu_alarm_timer *t);
940 static void rtc_stop_timer(struct qemu_alarm_timer *t);
942 #endif /* __linux__ */
946 /* Correlation between real and virtual time is always going to be
947 fairly approximate, so ignore small variation.
948 When the guest is idle real and virtual time will be aligned in
950 #define ICOUNT_WOBBLE (QEMU_TIMER_BASE / 10)
952 static void icount_adjust(void)
957 static int64_t last_delta;
958 /* If the VM is not running, then do nothing. */
962 cur_time = cpu_get_clock();
963 cur_icount = qemu_get_clock(vm_clock);
964 delta = cur_icount - cur_time;
965 /* FIXME: This is a very crude algorithm, somewhat prone to oscillation. */
967 && last_delta + ICOUNT_WOBBLE < delta * 2
968 && icount_time_shift > 0) {
969 /* The guest is getting too far ahead. Slow time down. */
973 && last_delta - ICOUNT_WOBBLE > delta * 2
974 && icount_time_shift < MAX_ICOUNT_SHIFT) {
975 /* The guest is getting too far behind. Speed time up. */
979 qemu_icount_bias = cur_icount - (qemu_icount << icount_time_shift);
982 static void icount_adjust_rt(void * opaque)
984 qemu_mod_timer(icount_rt_timer,
985 qemu_get_clock(rt_clock) + 1000);
989 static void icount_adjust_vm(void * opaque)
991 qemu_mod_timer(icount_vm_timer,
992 qemu_get_clock(vm_clock) + QEMU_TIMER_BASE / 10);
996 static void init_icount_adjust(void)
998 /* Have both realtime and virtual time triggers for speed adjustment.
999 The realtime trigger catches emulated time passing too slowly,
1000 the virtual time trigger catches emulated time passing too fast.
1001 Realtime triggers occur even when idle, so use them less frequently
1002 than VM triggers. */
1003 icount_rt_timer = qemu_new_timer(rt_clock, icount_adjust_rt, NULL);
1004 qemu_mod_timer(icount_rt_timer,
1005 qemu_get_clock(rt_clock) + 1000);
1006 icount_vm_timer = qemu_new_timer(vm_clock, icount_adjust_vm, NULL);
1007 qemu_mod_timer(icount_vm_timer,
1008 qemu_get_clock(vm_clock) + QEMU_TIMER_BASE / 10);
1011 static struct qemu_alarm_timer alarm_timers[] = {
1014 {"dynticks", ALARM_FLAG_DYNTICKS, dynticks_start_timer,
1015 dynticks_stop_timer, dynticks_rearm_timer, NULL},
1016 /* HPET - if available - is preferred */
1017 {"hpet", 0, hpet_start_timer, hpet_stop_timer, NULL, NULL},
1018 /* ...otherwise try RTC */
1019 {"rtc", 0, rtc_start_timer, rtc_stop_timer, NULL, NULL},
1021 {"unix", 0, unix_start_timer, unix_stop_timer, NULL, NULL},
1023 {"dynticks", ALARM_FLAG_DYNTICKS, win32_start_timer,
1024 win32_stop_timer, win32_rearm_timer, &alarm_win32_data},
1025 {"win32", 0, win32_start_timer,
1026 win32_stop_timer, NULL, &alarm_win32_data},
1031 static void show_available_alarms(void)
1035 printf("Available alarm timers, in order of precedence:\n");
1036 for (i = 0; alarm_timers[i].name; i++)
1037 printf("%s\n", alarm_timers[i].name);
1040 static void configure_alarms(char const *opt)
1044 int count = ARRAY_SIZE(alarm_timers) - 1;
1047 struct qemu_alarm_timer tmp;
1049 if (!strcmp(opt, "?")) {
1050 show_available_alarms();
1056 /* Reorder the array */
1057 name = strtok(arg, ",");
1059 for (i = 0; i < count && alarm_timers[i].name; i++) {
1060 if (!strcmp(alarm_timers[i].name, name))
1065 fprintf(stderr, "Unknown clock %s\n", name);
1074 tmp = alarm_timers[i];
1075 alarm_timers[i] = alarm_timers[cur];
1076 alarm_timers[cur] = tmp;
1080 name = strtok(NULL, ",");
1086 /* Disable remaining timers */
1087 for (i = cur; i < count; i++)
1088 alarm_timers[i].name = NULL;
1090 show_available_alarms();
1095 QEMUClock *rt_clock;
1096 QEMUClock *vm_clock;
1098 static QEMUTimer *active_timers[2];
1100 static QEMUClock *qemu_new_clock(int type)
1103 clock = qemu_mallocz(sizeof(QEMUClock));
1110 QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque)
1114 ts = qemu_mallocz(sizeof(QEMUTimer));
1117 ts->opaque = opaque;
1121 void qemu_free_timer(QEMUTimer *ts)
1126 /* stop a timer, but do not dealloc it */
1127 void qemu_del_timer(QEMUTimer *ts)
1131 /* NOTE: this code must be signal safe because
1132 qemu_timer_expired() can be called from a signal. */
1133 pt = &active_timers[ts->clock->type];
1146 /* modify the current timer so that it will be fired when current_time
1147 >= expire_time. The corresponding callback will be called. */
1148 void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time)
1154 /* add the timer in the sorted list */
1155 /* NOTE: this code must be signal safe because
1156 qemu_timer_expired() can be called from a signal. */
1157 pt = &active_timers[ts->clock->type];
1162 if (t->expire_time > expire_time)
1166 ts->expire_time = expire_time;
1170 /* Rearm if necessary */
1171 if (pt == &active_timers[ts->clock->type]) {
1172 if ((alarm_timer->flags & ALARM_FLAG_EXPIRED) == 0) {
1173 qemu_rearm_alarm_timer(alarm_timer);
1175 /* Interrupt execution to force deadline recalculation. */
1176 if (use_icount && cpu_single_env) {
1177 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
1182 int qemu_timer_pending(QEMUTimer *ts)
1185 for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) {
1192 static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time)
1196 return (timer_head->expire_time <= current_time);
1199 static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time)
1205 if (!ts || ts->expire_time > current_time)
1207 /* remove timer from the list before calling the callback */
1208 *ptimer_head = ts->next;
1211 /* run the callback (the timer list can be modified) */
1216 int64_t qemu_get_clock(QEMUClock *clock)
1218 switch(clock->type) {
1219 case QEMU_TIMER_REALTIME:
1220 return get_clock() / 1000000;
1222 case QEMU_TIMER_VIRTUAL:
1224 return cpu_get_icount();
1226 return cpu_get_clock();
1231 static void init_timers(void)
1234 ticks_per_sec = QEMU_TIMER_BASE;
1235 rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME);
1236 vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL);
1240 void qemu_put_timer(QEMUFile *f, QEMUTimer *ts)
1242 uint64_t expire_time;
1244 if (qemu_timer_pending(ts)) {
1245 expire_time = ts->expire_time;
1249 qemu_put_be64(f, expire_time);
1252 void qemu_get_timer(QEMUFile *f, QEMUTimer *ts)
1254 uint64_t expire_time;
1256 expire_time = qemu_get_be64(f);
1257 if (expire_time != -1) {
1258 qemu_mod_timer(ts, expire_time);
1264 static void timer_save(QEMUFile *f, void *opaque)
1266 if (cpu_ticks_enabled) {
1267 hw_error("cannot save state if virtual timers are running");
1269 qemu_put_be64(f, cpu_ticks_offset);
1270 qemu_put_be64(f, ticks_per_sec);
1271 qemu_put_be64(f, cpu_clock_offset);
1274 static int timer_load(QEMUFile *f, void *opaque, int version_id)
1276 if (version_id != 1 && version_id != 2)
1278 if (cpu_ticks_enabled) {
1281 cpu_ticks_offset=qemu_get_be64(f);
1282 ticks_per_sec=qemu_get_be64(f);
1283 if (version_id == 2) {
1284 cpu_clock_offset=qemu_get_be64(f);
1290 void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg,
1291 DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2)
1293 static void host_alarm_handler(int host_signum)
1297 #define DISP_FREQ 1000
1299 static int64_t delta_min = INT64_MAX;
1300 static int64_t delta_max, delta_cum, last_clock, delta, ti;
1302 ti = qemu_get_clock(vm_clock);
1303 if (last_clock != 0) {
1304 delta = ti - last_clock;
1305 if (delta < delta_min)
1307 if (delta > delta_max)
1310 if (++count == DISP_FREQ) {
1311 printf("timer: min=%" PRId64 " us max=%" PRId64 " us avg=%" PRId64 " us avg_freq=%0.3f Hz\n",
1312 muldiv64(delta_min, 1000000, ticks_per_sec),
1313 muldiv64(delta_max, 1000000, ticks_per_sec),
1314 muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec),
1315 (double)ticks_per_sec / ((double)delta_cum / DISP_FREQ));
1317 delta_min = INT64_MAX;
1325 if (alarm_has_dynticks(alarm_timer) ||
1327 qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL],
1328 qemu_get_clock(vm_clock))) ||
1329 qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME],
1330 qemu_get_clock(rt_clock))) {
1331 CPUState *env = next_cpu;
1334 struct qemu_alarm_win32 *data = ((struct qemu_alarm_timer*)dwUser)->priv;
1335 SetEvent(data->host_alarm);
1337 static const char byte = 0;
1338 write(alarm_timer_wfd, &byte, sizeof(byte));
1340 alarm_timer->flags |= ALARM_FLAG_EXPIRED;
1343 /* stop the currently executing cpu because a timer occured */
1344 cpu_interrupt(env, CPU_INTERRUPT_EXIT);
1346 if (env->kqemu_enabled) {
1347 kqemu_cpu_interrupt(env);
1355 static int64_t qemu_next_deadline(void)
1359 if (active_timers[QEMU_TIMER_VIRTUAL]) {
1360 delta = active_timers[QEMU_TIMER_VIRTUAL]->expire_time -
1361 qemu_get_clock(vm_clock);
1363 /* To avoid problems with overflow limit this to 2^32. */
1373 #if defined(__linux__) || defined(_WIN32)
1374 static uint64_t qemu_next_deadline_dyntick(void)
1382 delta = (qemu_next_deadline() + 999) / 1000;
1384 if (active_timers[QEMU_TIMER_REALTIME]) {
1385 rtdelta = (active_timers[QEMU_TIMER_REALTIME]->expire_time -
1386 qemu_get_clock(rt_clock))*1000;
1387 if (rtdelta < delta)
1391 if (delta < MIN_TIMER_REARM_US)
1392 delta = MIN_TIMER_REARM_US;
1400 /* Sets a specific flag */
1401 static int fcntl_setfl(int fd, int flag)
1405 flags = fcntl(fd, F_GETFL);
1409 if (fcntl(fd, F_SETFL, flags | flag) == -1)
1415 #if defined(__linux__)
1417 #define RTC_FREQ 1024
1419 static void enable_sigio_timer(int fd)
1421 struct sigaction act;
1424 sigfillset(&act.sa_mask);
1426 act.sa_handler = host_alarm_handler;
1428 sigaction(SIGIO, &act, NULL);
1429 fcntl_setfl(fd, O_ASYNC);
1430 fcntl(fd, F_SETOWN, getpid());
1433 static int hpet_start_timer(struct qemu_alarm_timer *t)
1435 struct hpet_info info;
1438 fd = open("/dev/hpet", O_RDONLY);
1443 r = ioctl(fd, HPET_IRQFREQ, RTC_FREQ);
1445 fprintf(stderr, "Could not configure '/dev/hpet' to have a 1024Hz timer. This is not a fatal\n"
1446 "error, but for better emulation accuracy type:\n"
1447 "'echo 1024 > /proc/sys/dev/hpet/max-user-freq' as root.\n");
1451 /* Check capabilities */
1452 r = ioctl(fd, HPET_INFO, &info);
1456 /* Enable periodic mode */
1457 r = ioctl(fd, HPET_EPI, 0);
1458 if (info.hi_flags && (r < 0))
1461 /* Enable interrupt */
1462 r = ioctl(fd, HPET_IE_ON, 0);
1466 enable_sigio_timer(fd);
1467 t->priv = (void *)(long)fd;
1475 static void hpet_stop_timer(struct qemu_alarm_timer *t)
1477 int fd = (long)t->priv;
1482 static int rtc_start_timer(struct qemu_alarm_timer *t)
1485 unsigned long current_rtc_freq = 0;
1487 TFR(rtc_fd = open("/dev/rtc", O_RDONLY));
1490 ioctl(rtc_fd, RTC_IRQP_READ, ¤t_rtc_freq);
1491 if (current_rtc_freq != RTC_FREQ &&
1492 ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) {
1493 fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
1494 "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
1495 "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
1498 if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) {
1504 enable_sigio_timer(rtc_fd);
1506 t->priv = (void *)(long)rtc_fd;
1511 static void rtc_stop_timer(struct qemu_alarm_timer *t)
1513 int rtc_fd = (long)t->priv;
1518 static int dynticks_start_timer(struct qemu_alarm_timer *t)
1522 struct sigaction act;
1524 sigfillset(&act.sa_mask);
1526 act.sa_handler = host_alarm_handler;
1528 sigaction(SIGALRM, &act, NULL);
1530 ev.sigev_value.sival_int = 0;
1531 ev.sigev_notify = SIGEV_SIGNAL;
1532 ev.sigev_signo = SIGALRM;
1534 if (timer_create(CLOCK_REALTIME, &ev, &host_timer)) {
1535 perror("timer_create");
1537 /* disable dynticks */
1538 fprintf(stderr, "Dynamic Ticks disabled\n");
1543 t->priv = (void *)(long)host_timer;
1548 static void dynticks_stop_timer(struct qemu_alarm_timer *t)
1550 timer_t host_timer = (timer_t)(long)t->priv;
1552 timer_delete(host_timer);
1555 static void dynticks_rearm_timer(struct qemu_alarm_timer *t)
1557 timer_t host_timer = (timer_t)(long)t->priv;
1558 struct itimerspec timeout;
1559 int64_t nearest_delta_us = INT64_MAX;
1562 if (!active_timers[QEMU_TIMER_REALTIME] &&
1563 !active_timers[QEMU_TIMER_VIRTUAL])
1566 nearest_delta_us = qemu_next_deadline_dyntick();
1568 /* check whether a timer is already running */
1569 if (timer_gettime(host_timer, &timeout)) {
1571 fprintf(stderr, "Internal timer error: aborting\n");
1574 current_us = timeout.it_value.tv_sec * 1000000 + timeout.it_value.tv_nsec/1000;
1575 if (current_us && current_us <= nearest_delta_us)
1578 timeout.it_interval.tv_sec = 0;
1579 timeout.it_interval.tv_nsec = 0; /* 0 for one-shot timer */
1580 timeout.it_value.tv_sec = nearest_delta_us / 1000000;
1581 timeout.it_value.tv_nsec = (nearest_delta_us % 1000000) * 1000;
1582 if (timer_settime(host_timer, 0 /* RELATIVE */, &timeout, NULL)) {
1584 fprintf(stderr, "Internal timer error: aborting\n");
1589 #endif /* defined(__linux__) */
1591 static int unix_start_timer(struct qemu_alarm_timer *t)
1593 struct sigaction act;
1594 struct itimerval itv;
1598 sigfillset(&act.sa_mask);
1600 act.sa_handler = host_alarm_handler;
1602 sigaction(SIGALRM, &act, NULL);
1604 itv.it_interval.tv_sec = 0;
1605 /* for i386 kernel 2.6 to get 1 ms */
1606 itv.it_interval.tv_usec = 999;
1607 itv.it_value.tv_sec = 0;
1608 itv.it_value.tv_usec = 10 * 1000;
1610 err = setitimer(ITIMER_REAL, &itv, NULL);
1617 static void unix_stop_timer(struct qemu_alarm_timer *t)
1619 struct itimerval itv;
1621 memset(&itv, 0, sizeof(itv));
1622 setitimer(ITIMER_REAL, &itv, NULL);
1625 #endif /* !defined(_WIN32) */
1627 static void try_to_rearm_timer(void *opaque)
1629 struct qemu_alarm_timer *t = opaque;
1633 /* Drain the notify pipe */
1636 len = read(alarm_timer_rfd, buffer, sizeof(buffer));
1637 } while ((len == -1 && errno == EINTR) || len > 0);
1640 if (t->flags & ALARM_FLAG_EXPIRED) {
1641 alarm_timer->flags &= ~ALARM_FLAG_EXPIRED;
1642 qemu_rearm_alarm_timer(alarm_timer);
1648 static int win32_start_timer(struct qemu_alarm_timer *t)
1651 struct qemu_alarm_win32 *data = t->priv;
1654 data->host_alarm = CreateEvent(NULL, FALSE, FALSE, NULL);
1655 if (!data->host_alarm) {
1656 perror("Failed CreateEvent");
1660 memset(&tc, 0, sizeof(tc));
1661 timeGetDevCaps(&tc, sizeof(tc));
1663 if (data->period < tc.wPeriodMin)
1664 data->period = tc.wPeriodMin;
1666 timeBeginPeriod(data->period);
1668 flags = TIME_CALLBACK_FUNCTION;
1669 if (alarm_has_dynticks(t))
1670 flags |= TIME_ONESHOT;
1672 flags |= TIME_PERIODIC;
1674 data->timerId = timeSetEvent(1, // interval (ms)
1675 data->period, // resolution
1676 host_alarm_handler, // function
1677 (DWORD)t, // parameter
1680 if (!data->timerId) {
1681 perror("Failed to initialize win32 alarm timer");
1683 timeEndPeriod(data->period);
1684 CloseHandle(data->host_alarm);
1688 qemu_add_wait_object(data->host_alarm, try_to_rearm_timer, t);
1693 static void win32_stop_timer(struct qemu_alarm_timer *t)
1695 struct qemu_alarm_win32 *data = t->priv;
1697 timeKillEvent(data->timerId);
1698 timeEndPeriod(data->period);
1700 CloseHandle(data->host_alarm);
1703 static void win32_rearm_timer(struct qemu_alarm_timer *t)
1705 struct qemu_alarm_win32 *data = t->priv;
1706 uint64_t nearest_delta_us;
1708 if (!active_timers[QEMU_TIMER_REALTIME] &&
1709 !active_timers[QEMU_TIMER_VIRTUAL])
1712 nearest_delta_us = qemu_next_deadline_dyntick();
1713 nearest_delta_us /= 1000;
1715 timeKillEvent(data->timerId);
1717 data->timerId = timeSetEvent(1,
1721 TIME_ONESHOT | TIME_PERIODIC);
1723 if (!data->timerId) {
1724 perror("Failed to re-arm win32 alarm timer");
1726 timeEndPeriod(data->period);
1727 CloseHandle(data->host_alarm);
1734 static int init_timer_alarm(void)
1736 struct qemu_alarm_timer *t = NULL;
1746 err = fcntl_setfl(fds[0], O_NONBLOCK);
1750 err = fcntl_setfl(fds[1], O_NONBLOCK);
1754 alarm_timer_rfd = fds[0];
1755 alarm_timer_wfd = fds[1];
1758 for (i = 0; alarm_timers[i].name; i++) {
1759 t = &alarm_timers[i];
1772 qemu_set_fd_handler2(alarm_timer_rfd, NULL,
1773 try_to_rearm_timer, NULL, t);
1788 static void quit_timers(void)
1790 alarm_timer->stop(alarm_timer);
1794 /***********************************************************/
1795 /* host time/date access */
1796 void qemu_get_timedate(struct tm *tm, int offset)
1803 if (rtc_date_offset == -1) {
1807 ret = localtime(&ti);
1809 ti -= rtc_date_offset;
1813 memcpy(tm, ret, sizeof(struct tm));
1816 int qemu_timedate_diff(struct tm *tm)
1820 if (rtc_date_offset == -1)
1822 seconds = mktimegm(tm);
1824 seconds = mktime(tm);
1826 seconds = mktimegm(tm) + rtc_date_offset;
1828 return seconds - time(NULL);
1832 static void socket_cleanup(void)
1837 static int socket_init(void)
1842 ret = WSAStartup(MAKEWORD(2,2), &Data);
1844 err = WSAGetLastError();
1845 fprintf(stderr, "WSAStartup: %d\n", err);
1848 atexit(socket_cleanup);
1853 const char *get_opt_name(char *buf, int buf_size, const char *p)
1858 while (*p != '\0' && *p != '=') {
1859 if (q && (q - buf) < buf_size - 1)
1869 const char *get_opt_value(char *buf, int buf_size, const char *p)
1874 while (*p != '\0') {
1876 if (*(p + 1) != ',')
1880 if (q && (q - buf) < buf_size - 1)
1890 int get_param_value(char *buf, int buf_size,
1891 const char *tag, const char *str)
1898 p = get_opt_name(option, sizeof(option), p);
1902 if (!strcmp(tag, option)) {
1903 (void)get_opt_value(buf, buf_size, p);
1906 p = get_opt_value(NULL, 0, p);
1915 int check_params(char *buf, int buf_size,
1916 const char * const *params, const char *str)
1923 p = get_opt_name(buf, buf_size, p);
1927 for(i = 0; params[i] != NULL; i++)
1928 if (!strcmp(params[i], buf))
1930 if (params[i] == NULL)
1932 p = get_opt_value(NULL, 0, p);
1940 /***********************************************************/
1941 /* Bluetooth support */
1944 static struct HCIInfo *hci_table[MAX_NICS];
1946 static struct bt_vlan_s {
1947 struct bt_scatternet_s net;
1949 struct bt_vlan_s *next;
1952 /* find or alloc a new bluetooth "VLAN" */
1953 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
1955 struct bt_vlan_s **pvlan, *vlan;
1956 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
1960 vlan = qemu_mallocz(sizeof(struct bt_vlan_s));
1962 pvlan = &first_bt_vlan;
1963 while (*pvlan != NULL)
1964 pvlan = &(*pvlan)->next;
1969 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
1973 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
1978 static struct HCIInfo null_hci = {
1979 .cmd_send = null_hci_send,
1980 .sco_send = null_hci_send,
1981 .acl_send = null_hci_send,
1982 .bdaddr_set = null_hci_addr_set,
1985 struct HCIInfo *qemu_next_hci(void)
1987 if (cur_hci == nb_hcis)
1990 return hci_table[cur_hci++];
1993 static struct HCIInfo *hci_init(const char *str)
1996 struct bt_scatternet_s *vlan = 0;
1998 if (!strcmp(str, "null"))
2001 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
2003 return bt_host_hci(str[4] ? str + 5 : "hci0");
2004 else if (!strncmp(str, "hci", 3)) {
2007 if (!strncmp(str + 3, ",vlan=", 6)) {
2008 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
2013 vlan = qemu_find_bt_vlan(0);
2015 return bt_new_hci(vlan);
2018 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
2023 static int bt_hci_parse(const char *str)
2025 struct HCIInfo *hci;
2028 if (nb_hcis >= MAX_NICS) {
2029 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
2033 hci = hci_init(str);
2042 bdaddr.b[5] = 0x56 + nb_hcis;
2043 hci->bdaddr_set(hci, bdaddr.b);
2045 hci_table[nb_hcis++] = hci;
2050 static void bt_vhci_add(int vlan_id)
2052 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
2055 fprintf(stderr, "qemu: warning: adding a VHCI to "
2056 "an empty scatternet %i\n", vlan_id);
2058 bt_vhci_init(bt_new_hci(vlan));
2061 static struct bt_device_s *bt_device_add(const char *opt)
2063 struct bt_scatternet_s *vlan;
2065 char *endp = strstr(opt, ",vlan=");
2066 int len = (endp ? endp - opt : strlen(opt)) + 1;
2069 pstrcpy(devname, MIN(sizeof(devname), len), opt);
2072 vlan_id = strtol(endp + 6, &endp, 0);
2074 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
2079 vlan = qemu_find_bt_vlan(vlan_id);
2082 fprintf(stderr, "qemu: warning: adding a slave device to "
2083 "an empty scatternet %i\n", vlan_id);
2085 if (!strcmp(devname, "keyboard"))
2086 return bt_keyboard_init(vlan);
2088 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
2092 static int bt_parse(const char *opt)
2094 const char *endp, *p;
2097 if (strstart(opt, "hci", &endp)) {
2098 if (!*endp || *endp == ',') {
2100 if (!strstart(endp, ",vlan=", 0))
2103 return bt_hci_parse(opt);
2105 } else if (strstart(opt, "vhci", &endp)) {
2106 if (!*endp || *endp == ',') {
2108 if (strstart(endp, ",vlan=", &p)) {
2109 vlan = strtol(p, (char **) &endp, 0);
2111 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
2115 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
2124 } else if (strstart(opt, "device:", &endp))
2125 return !bt_device_add(endp);
2127 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
2131 /***********************************************************/
2132 /* QEMU Block devices */
2134 #define HD_ALIAS "index=%d,media=disk"
2136 #define CDROM_ALIAS "index=1,media=cdrom"
2138 #define CDROM_ALIAS "index=2,media=cdrom"
2140 #define FD_ALIAS "index=%d,if=floppy"
2141 #define PFLASH_ALIAS "if=pflash"
2142 #define MTD_ALIAS "if=mtd"
2143 #define SD_ALIAS "index=0,if=sd"
2145 static int drive_add(const char *file, const char *fmt, ...)
2149 if (nb_drives_opt >= MAX_DRIVES) {
2150 fprintf(stderr, "qemu: too many drives\n");
2154 drives_opt[nb_drives_opt].file = file;
2156 vsnprintf(drives_opt[nb_drives_opt].opt,
2157 sizeof(drives_opt[0].opt), fmt, ap);
2160 return nb_drives_opt++;
2163 int drive_get_index(BlockInterfaceType type, int bus, int unit)
2167 /* seek interface, bus and unit */
2169 for (index = 0; index < nb_drives; index++)
2170 if (drives_table[index].type == type &&
2171 drives_table[index].bus == bus &&
2172 drives_table[index].unit == unit)
2178 int drive_get_max_bus(BlockInterfaceType type)
2184 for (index = 0; index < nb_drives; index++) {
2185 if(drives_table[index].type == type &&
2186 drives_table[index].bus > max_bus)
2187 max_bus = drives_table[index].bus;
2192 const char *drive_get_serial(BlockDriverState *bdrv)
2196 for (index = 0; index < nb_drives; index++)
2197 if (drives_table[index].bdrv == bdrv)
2198 return drives_table[index].serial;
2203 BlockInterfaceErrorAction drive_get_onerror(BlockDriverState *bdrv)
2207 for (index = 0; index < nb_drives; index++)
2208 if (drives_table[index].bdrv == bdrv)
2209 return drives_table[index].onerror;
2211 return BLOCK_ERR_REPORT;
2214 static void bdrv_format_print(void *opaque, const char *name)
2216 fprintf(stderr, " %s", name);
2219 static int drive_init(struct drive_opt *arg, int snapshot,
2220 QEMUMachine *machine)
2226 const char *mediastr = "";
2227 BlockInterfaceType type;
2228 enum { MEDIA_DISK, MEDIA_CDROM } media;
2229 int bus_id, unit_id;
2230 int cyls, heads, secs, translation;
2231 BlockDriverState *bdrv;
2232 BlockDriver *drv = NULL;
2236 int bdrv_flags, onerror;
2237 char *str = arg->opt;
2238 static const char * const params[] = { "bus", "unit", "if", "index",
2239 "cyls", "heads", "secs", "trans",
2240 "media", "snapshot", "file",
2241 "cache", "format", "serial", "werror",
2244 if (check_params(buf, sizeof(buf), params, str) < 0) {
2245 fprintf(stderr, "qemu: unknown parameter '%s' in '%s'\n",
2251 cyls = heads = secs = 0;
2254 translation = BIOS_ATA_TRANSLATION_AUTO;
2258 if (machine->use_scsi) {
2260 max_devs = MAX_SCSI_DEVS;
2261 pstrcpy(devname, sizeof(devname), "scsi");
2264 max_devs = MAX_IDE_DEVS;
2265 pstrcpy(devname, sizeof(devname), "ide");
2269 /* extract parameters */
2271 if (get_param_value(buf, sizeof(buf), "bus", str)) {
2272 bus_id = strtol(buf, NULL, 0);
2274 fprintf(stderr, "qemu: '%s' invalid bus id\n", str);
2279 if (get_param_value(buf, sizeof(buf), "unit", str)) {
2280 unit_id = strtol(buf, NULL, 0);
2282 fprintf(stderr, "qemu: '%s' invalid unit id\n", str);
2287 if (get_param_value(buf, sizeof(buf), "if", str)) {
2288 pstrcpy(devname, sizeof(devname), buf);
2289 if (!strcmp(buf, "ide")) {
2291 max_devs = MAX_IDE_DEVS;
2292 } else if (!strcmp(buf, "scsi")) {
2294 max_devs = MAX_SCSI_DEVS;
2295 } else if (!strcmp(buf, "floppy")) {
2298 } else if (!strcmp(buf, "pflash")) {
2301 } else if (!strcmp(buf, "mtd")) {
2304 } else if (!strcmp(buf, "sd")) {
2307 } else if (!strcmp(buf, "virtio")) {
2311 fprintf(stderr, "qemu: '%s' unsupported bus type '%s'\n", str, buf);
2316 if (get_param_value(buf, sizeof(buf), "index", str)) {
2317 index = strtol(buf, NULL, 0);
2319 fprintf(stderr, "qemu: '%s' invalid index\n", str);
2324 if (get_param_value(buf, sizeof(buf), "cyls", str)) {
2325 cyls = strtol(buf, NULL, 0);
2328 if (get_param_value(buf, sizeof(buf), "heads", str)) {
2329 heads = strtol(buf, NULL, 0);
2332 if (get_param_value(buf, sizeof(buf), "secs", str)) {
2333 secs = strtol(buf, NULL, 0);
2336 if (cyls || heads || secs) {
2337 if (cyls < 1 || cyls > 16383) {
2338 fprintf(stderr, "qemu: '%s' invalid physical cyls number\n", str);
2341 if (heads < 1 || heads > 16) {
2342 fprintf(stderr, "qemu: '%s' invalid physical heads number\n", str);
2345 if (secs < 1 || secs > 63) {
2346 fprintf(stderr, "qemu: '%s' invalid physical secs number\n", str);
2351 if (get_param_value(buf, sizeof(buf), "trans", str)) {
2354 "qemu: '%s' trans must be used with cyls,heads and secs\n",
2358 if (!strcmp(buf, "none"))
2359 translation = BIOS_ATA_TRANSLATION_NONE;
2360 else if (!strcmp(buf, "lba"))
2361 translation = BIOS_ATA_TRANSLATION_LBA;
2362 else if (!strcmp(buf, "auto"))
2363 translation = BIOS_ATA_TRANSLATION_AUTO;
2365 fprintf(stderr, "qemu: '%s' invalid translation type\n", str);
2370 if (get_param_value(buf, sizeof(buf), "media", str)) {
2371 if (!strcmp(buf, "disk")) {
2373 } else if (!strcmp(buf, "cdrom")) {
2374 if (cyls || secs || heads) {
2376 "qemu: '%s' invalid physical CHS format\n", str);
2379 media = MEDIA_CDROM;
2381 fprintf(stderr, "qemu: '%s' invalid media\n", str);
2386 if (get_param_value(buf, sizeof(buf), "snapshot", str)) {
2387 if (!strcmp(buf, "on"))
2389 else if (!strcmp(buf, "off"))
2392 fprintf(stderr, "qemu: '%s' invalid snapshot option\n", str);
2397 if (get_param_value(buf, sizeof(buf), "cache", str)) {
2398 if (!strcmp(buf, "off") || !strcmp(buf, "none"))
2400 else if (!strcmp(buf, "writethrough"))
2402 else if (!strcmp(buf, "writeback"))
2405 fprintf(stderr, "qemu: invalid cache option\n");
2410 if (get_param_value(buf, sizeof(buf), "format", str)) {
2411 if (strcmp(buf, "?") == 0) {
2412 fprintf(stderr, "qemu: Supported formats:");
2413 bdrv_iterate_format(bdrv_format_print, NULL);
2414 fprintf(stderr, "\n");
2417 drv = bdrv_find_format(buf);
2419 fprintf(stderr, "qemu: '%s' invalid format\n", buf);
2424 if (arg->file == NULL)
2425 get_param_value(file, sizeof(file), "file", str);
2427 pstrcpy(file, sizeof(file), arg->file);
2429 if (!get_param_value(serial, sizeof(serial), "serial", str))
2430 memset(serial, 0, sizeof(serial));
2432 onerror = BLOCK_ERR_REPORT;
2433 if (get_param_value(buf, sizeof(serial), "werror", str)) {
2434 if (type != IF_IDE) {
2435 fprintf(stderr, "werror is supported only by IDE\n");
2438 if (!strcmp(buf, "ignore"))
2439 onerror = BLOCK_ERR_IGNORE;
2440 else if (!strcmp(buf, "enospc"))
2441 onerror = BLOCK_ERR_STOP_ENOSPC;
2442 else if (!strcmp(buf, "stop"))
2443 onerror = BLOCK_ERR_STOP_ANY;
2444 else if (!strcmp(buf, "report"))
2445 onerror = BLOCK_ERR_REPORT;
2447 fprintf(stderr, "qemu: '%s' invalid write error action\n", buf);
2452 /* compute bus and unit according index */
2455 if (bus_id != 0 || unit_id != -1) {
2457 "qemu: '%s' index cannot be used with bus and unit\n", str);
2465 unit_id = index % max_devs;
2466 bus_id = index / max_devs;
2470 /* if user doesn't specify a unit_id,
2471 * try to find the first free
2474 if (unit_id == -1) {
2476 while (drive_get_index(type, bus_id, unit_id) != -1) {
2478 if (max_devs && unit_id >= max_devs) {
2479 unit_id -= max_devs;
2487 if (max_devs && unit_id >= max_devs) {
2488 fprintf(stderr, "qemu: '%s' unit %d too big (max is %d)\n",
2489 str, unit_id, max_devs - 1);
2494 * ignore multiple definitions
2497 if (drive_get_index(type, bus_id, unit_id) != -1)
2502 if (type == IF_IDE || type == IF_SCSI)
2503 mediastr = (media == MEDIA_CDROM) ? "-cd" : "-hd";
2505 snprintf(buf, sizeof(buf), "%s%i%s%i",
2506 devname, bus_id, mediastr, unit_id);
2508 snprintf(buf, sizeof(buf), "%s%s%i",
2509 devname, mediastr, unit_id);
2510 bdrv = bdrv_new(buf);
2511 drives_table[nb_drives].bdrv = bdrv;
2512 drives_table[nb_drives].type = type;
2513 drives_table[nb_drives].bus = bus_id;
2514 drives_table[nb_drives].unit = unit_id;
2515 drives_table[nb_drives].onerror = onerror;
2516 strncpy(drives_table[nb_drives].serial, serial, sizeof(serial));
2525 bdrv_set_geometry_hint(bdrv, cyls, heads, secs);
2526 bdrv_set_translation_hint(bdrv, translation);
2530 bdrv_set_type_hint(bdrv, BDRV_TYPE_CDROM);
2535 /* FIXME: This isn't really a floppy, but it's a reasonable
2538 bdrv_set_type_hint(bdrv, BDRV_TYPE_FLOPPY);
2549 bdrv_flags |= BDRV_O_SNAPSHOT;
2550 cache = 2; /* always use write-back with snapshot */
2552 if (cache == 0) /* no caching */
2553 bdrv_flags |= BDRV_O_NOCACHE;
2554 else if (cache == 2) /* write-back */
2555 bdrv_flags |= BDRV_O_CACHE_WB;
2556 else if (cache == 3) /* not specified */
2557 bdrv_flags |= BDRV_O_CACHE_DEF;
2558 if (bdrv_open2(bdrv, file, bdrv_flags, drv) < 0 || qemu_key_check(bdrv, file)) {
2559 fprintf(stderr, "qemu: could not open disk image %s\n",
2566 /***********************************************************/
2569 static USBPort *used_usb_ports;
2570 static USBPort *free_usb_ports;
2572 /* ??? Maybe change this to register a hub to keep track of the topology. */
2573 void qemu_register_usb_port(USBPort *port, void *opaque, int index,
2574 usb_attachfn attach)
2576 port->opaque = opaque;
2577 port->index = index;
2578 port->attach = attach;
2579 port->next = free_usb_ports;
2580 free_usb_ports = port;
2583 int usb_device_add_dev(USBDevice *dev)
2587 /* Find a USB port to add the device to. */
2588 port = free_usb_ports;
2592 /* Create a new hub and chain it on. */
2593 free_usb_ports = NULL;
2594 port->next = used_usb_ports;
2595 used_usb_ports = port;
2597 hub = usb_hub_init(VM_USB_HUB_SIZE);
2598 usb_attach(port, hub);
2599 port = free_usb_ports;
2602 free_usb_ports = port->next;
2603 port->next = used_usb_ports;
2604 used_usb_ports = port;
2605 usb_attach(port, dev);
2609 static int usb_device_add(const char *devname)
2614 if (!free_usb_ports)
2617 if (strstart(devname, "host:", &p)) {
2618 dev = usb_host_device_open(p);
2619 } else if (!strcmp(devname, "mouse")) {
2620 dev = usb_mouse_init();
2621 } else if (!strcmp(devname, "tablet")) {
2622 dev = usb_tablet_init();
2623 } else if (!strcmp(devname, "keyboard")) {
2624 dev = usb_keyboard_init();
2625 } else if (strstart(devname, "disk:", &p)) {
2626 dev = usb_msd_init(p);
2627 } else if (!strcmp(devname, "wacom-tablet")) {
2628 dev = usb_wacom_init();
2629 } else if (strstart(devname, "serial:", &p)) {
2630 dev = usb_serial_init(p);
2631 #ifdef CONFIG_BRLAPI
2632 } else if (!strcmp(devname, "braille")) {
2633 dev = usb_baum_init();
2635 } else if (strstart(devname, "net:", &p)) {
2638 if (net_client_init("nic", p) < 0)
2640 nd_table[nic].model = "usb";
2641 dev = usb_net_init(&nd_table[nic]);
2642 } else if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
2643 dev = usb_bt_init(devname[2] ? hci_init(p) :
2644 bt_new_hci(qemu_find_bt_vlan(0)));
2651 return usb_device_add_dev(dev);
2654 int usb_device_del_addr(int bus_num, int addr)
2660 if (!used_usb_ports)
2666 lastp = &used_usb_ports;
2667 port = used_usb_ports;
2668 while (port && port->dev->addr != addr) {
2669 lastp = &port->next;
2677 *lastp = port->next;
2678 usb_attach(port, NULL);
2679 dev->handle_destroy(dev);
2680 port->next = free_usb_ports;
2681 free_usb_ports = port;
2685 static int usb_device_del(const char *devname)
2690 if (strstart(devname, "host:", &p))
2691 return usb_host_device_close(p);
2693 if (!used_usb_ports)
2696 p = strchr(devname, '.');
2699 bus_num = strtoul(devname, NULL, 0);
2700 addr = strtoul(p + 1, NULL, 0);
2702 return usb_device_del_addr(bus_num, addr);
2705 void do_usb_add(const char *devname)
2707 usb_device_add(devname);
2710 void do_usb_del(const char *devname)
2712 usb_device_del(devname);
2719 const char *speed_str;
2722 term_printf("USB support not enabled\n");
2726 for (port = used_usb_ports; port; port = port->next) {
2730 switch(dev->speed) {
2734 case USB_SPEED_FULL:
2737 case USB_SPEED_HIGH:
2744 term_printf(" Device %d.%d, Speed %s Mb/s, Product %s\n",
2745 0, dev->addr, speed_str, dev->devname);
2749 /***********************************************************/
2750 /* PCMCIA/Cardbus */
2752 static struct pcmcia_socket_entry_s {
2753 struct pcmcia_socket_s *socket;
2754 struct pcmcia_socket_entry_s *next;
2755 } *pcmcia_sockets = 0;
2757 void pcmcia_socket_register(struct pcmcia_socket_s *socket)
2759 struct pcmcia_socket_entry_s *entry;
2761 entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s));
2762 entry->socket = socket;
2763 entry->next = pcmcia_sockets;
2764 pcmcia_sockets = entry;
2767 void pcmcia_socket_unregister(struct pcmcia_socket_s *socket)
2769 struct pcmcia_socket_entry_s *entry, **ptr;
2771 ptr = &pcmcia_sockets;
2772 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
2773 if (entry->socket == socket) {
2779 void pcmcia_info(void)
2781 struct pcmcia_socket_entry_s *iter;
2782 if (!pcmcia_sockets)
2783 term_printf("No PCMCIA sockets\n");
2785 for (iter = pcmcia_sockets; iter; iter = iter->next)
2786 term_printf("%s: %s\n", iter->socket->slot_string,
2787 iter->socket->attached ? iter->socket->card_string :
2791 /***********************************************************/
2792 /* register display */
2794 void register_displaystate(DisplayState *ds)
2804 DisplayState *get_displaystate(void)
2806 return display_state;
2811 static void dumb_display_init(void)
2813 DisplayState *ds = qemu_mallocz(sizeof(DisplayState));
2815 fprintf(stderr, "dumb_display_init: DisplayState allocation failed\n");
2818 ds->surface = qemu_create_displaysurface(640, 480, 32, 640 * 4);
2819 register_displaystate(ds);
2822 /***********************************************************/
2825 #define MAX_IO_HANDLERS 64
2827 typedef struct IOHandlerRecord {
2829 IOCanRWHandler *fd_read_poll;
2831 IOHandler *fd_write;
2834 /* temporary data */
2836 struct IOHandlerRecord *next;
2839 static IOHandlerRecord *first_io_handler;
2841 /* XXX: fd_read_poll should be suppressed, but an API change is
2842 necessary in the character devices to suppress fd_can_read(). */
2843 int qemu_set_fd_handler2(int fd,
2844 IOCanRWHandler *fd_read_poll,
2846 IOHandler *fd_write,
2849 IOHandlerRecord **pioh, *ioh;
2851 if (!fd_read && !fd_write) {
2852 pioh = &first_io_handler;
2857 if (ioh->fd == fd) {
2864 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
2868 ioh = qemu_mallocz(sizeof(IOHandlerRecord));
2871 ioh->next = first_io_handler;
2872 first_io_handler = ioh;
2875 ioh->fd_read_poll = fd_read_poll;
2876 ioh->fd_read = fd_read;
2877 ioh->fd_write = fd_write;
2878 ioh->opaque = opaque;
2884 int qemu_set_fd_handler(int fd,
2886 IOHandler *fd_write,
2889 return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque);
2893 /***********************************************************/
2894 /* Polling handling */
2896 typedef struct PollingEntry {
2899 struct PollingEntry *next;
2902 static PollingEntry *first_polling_entry;
2904 int qemu_add_polling_cb(PollingFunc *func, void *opaque)
2906 PollingEntry **ppe, *pe;
2907 pe = qemu_mallocz(sizeof(PollingEntry));
2911 pe->opaque = opaque;
2912 for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next);
2917 void qemu_del_polling_cb(PollingFunc *func, void *opaque)
2919 PollingEntry **ppe, *pe;
2920 for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) {
2922 if (pe->func == func && pe->opaque == opaque) {
2930 /***********************************************************/
2931 /* Wait objects support */
2932 typedef struct WaitObjects {
2934 HANDLE events[MAXIMUM_WAIT_OBJECTS + 1];
2935 WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1];
2936 void *opaque[MAXIMUM_WAIT_OBJECTS + 1];
2939 static WaitObjects wait_objects = {0};
2941 int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
2943 WaitObjects *w = &wait_objects;
2945 if (w->num >= MAXIMUM_WAIT_OBJECTS)
2947 w->events[w->num] = handle;
2948 w->func[w->num] = func;
2949 w->opaque[w->num] = opaque;
2954 void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
2957 WaitObjects *w = &wait_objects;
2960 for (i = 0; i < w->num; i++) {
2961 if (w->events[i] == handle)
2964 w->events[i] = w->events[i + 1];
2965 w->func[i] = w->func[i + 1];
2966 w->opaque[i] = w->opaque[i + 1];
2974 /***********************************************************/
2975 /* ram save/restore */
2977 static int ram_get_page(QEMUFile *f, uint8_t *buf, int len)
2981 v = qemu_get_byte(f);
2984 if (qemu_get_buffer(f, buf, len) != len)
2988 v = qemu_get_byte(f);
2989 memset(buf, v, len);
2995 if (qemu_file_has_error(f))
3001 static int ram_load_v1(QEMUFile *f, void *opaque)
3006 if (qemu_get_be32(f) != phys_ram_size)
3008 for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) {
3009 ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE);
3016 #define BDRV_HASH_BLOCK_SIZE 1024
3017 #define IOBUF_SIZE 4096
3018 #define RAM_CBLOCK_MAGIC 0xfabe
3020 typedef struct RamDecompressState {
3023 uint8_t buf[IOBUF_SIZE];
3024 } RamDecompressState;
3026 static int ram_decompress_open(RamDecompressState *s, QEMUFile *f)
3029 memset(s, 0, sizeof(*s));
3031 ret = inflateInit(&s->zstream);
3037 static int ram_decompress_buf(RamDecompressState *s, uint8_t *buf, int len)
3041 s->zstream.avail_out = len;
3042 s->zstream.next_out = buf;
3043 while (s->zstream.avail_out > 0) {
3044 if (s->zstream.avail_in == 0) {
3045 if (qemu_get_be16(s->f) != RAM_CBLOCK_MAGIC)
3047 clen = qemu_get_be16(s->f);
3048 if (clen > IOBUF_SIZE)
3050 qemu_get_buffer(s->f, s->buf, clen);
3051 s->zstream.avail_in = clen;
3052 s->zstream.next_in = s->buf;
3054 ret = inflate(&s->zstream, Z_PARTIAL_FLUSH);
3055 if (ret != Z_OK && ret != Z_STREAM_END) {
3062 static void ram_decompress_close(RamDecompressState *s)
3064 inflateEnd(&s->zstream);
3067 #define RAM_SAVE_FLAG_FULL 0x01
3068 #define RAM_SAVE_FLAG_COMPRESS 0x02
3069 #define RAM_SAVE_FLAG_MEM_SIZE 0x04
3070 #define RAM_SAVE_FLAG_PAGE 0x08
3071 #define RAM_SAVE_FLAG_EOS 0x10
3073 static int is_dup_page(uint8_t *page, uint8_t ch)
3075 uint32_t val = ch << 24 | ch << 16 | ch << 8 | ch;
3076 uint32_t *array = (uint32_t *)page;
3079 for (i = 0; i < (TARGET_PAGE_SIZE / 4); i++) {
3080 if (array[i] != val)
3087 static int ram_save_block(QEMUFile *f)
3089 static ram_addr_t current_addr = 0;
3090 ram_addr_t saved_addr = current_addr;
3091 ram_addr_t addr = 0;
3094 while (addr < phys_ram_size) {
3095 if (cpu_physical_memory_get_dirty(current_addr, MIGRATION_DIRTY_FLAG)) {
3098 cpu_physical_memory_reset_dirty(current_addr,
3099 current_addr + TARGET_PAGE_SIZE,
3100 MIGRATION_DIRTY_FLAG);
3102 ch = *(phys_ram_base + current_addr);
3104 if (is_dup_page(phys_ram_base + current_addr, ch)) {
3105 qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_COMPRESS);
3106 qemu_put_byte(f, ch);
3108 qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_PAGE);
3109 qemu_put_buffer(f, phys_ram_base + current_addr, TARGET_PAGE_SIZE);
3115 addr += TARGET_PAGE_SIZE;
3116 current_addr = (saved_addr + addr) % phys_ram_size;
3122 static ram_addr_t ram_save_threshold = 10;
3124 static ram_addr_t ram_save_remaining(void)
3127 ram_addr_t count = 0;
3129 for (addr = 0; addr < phys_ram_size; addr += TARGET_PAGE_SIZE) {
3130 if (cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG))
3137 static int ram_save_live(QEMUFile *f, int stage, void *opaque)
3142 /* Make sure all dirty bits are set */
3143 for (addr = 0; addr < phys_ram_size; addr += TARGET_PAGE_SIZE) {
3144 if (!cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG))
3145 cpu_physical_memory_set_dirty(addr);
3148 /* Enable dirty memory tracking */
3149 cpu_physical_memory_set_dirty_tracking(1);
3151 qemu_put_be64(f, phys_ram_size | RAM_SAVE_FLAG_MEM_SIZE);
3154 while (!qemu_file_rate_limit(f)) {
3157 ret = ram_save_block(f);
3158 if (ret == 0) /* no more blocks */
3162 /* try transferring iterative blocks of memory */
3165 cpu_physical_memory_set_dirty_tracking(0);
3167 /* flush all remaining blocks regardless of rate limiting */
3168 while (ram_save_block(f) != 0);
3171 qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
3173 return (stage == 2) && (ram_save_remaining() < ram_save_threshold);
3176 static int ram_load_dead(QEMUFile *f, void *opaque)
3178 RamDecompressState s1, *s = &s1;
3182 if (ram_decompress_open(s, f) < 0)
3184 for(i = 0; i < phys_ram_size; i+= BDRV_HASH_BLOCK_SIZE) {
3185 if (ram_decompress_buf(s, buf, 1) < 0) {
3186 fprintf(stderr, "Error while reading ram block header\n");
3190 if (ram_decompress_buf(s, phys_ram_base + i, BDRV_HASH_BLOCK_SIZE) < 0) {
3191 fprintf(stderr, "Error while reading ram block address=0x%08" PRIx64, (uint64_t)i);
3196 printf("Error block header\n");
3200 ram_decompress_close(s);
3205 static int ram_load(QEMUFile *f, void *opaque, int version_id)
3210 if (version_id == 1)
3211 return ram_load_v1(f, opaque);
3213 if (version_id == 2) {
3214 if (qemu_get_be32(f) != phys_ram_size)
3216 return ram_load_dead(f, opaque);
3219 if (version_id != 3)
3223 addr = qemu_get_be64(f);
3225 flags = addr & ~TARGET_PAGE_MASK;
3226 addr &= TARGET_PAGE_MASK;
3228 if (flags & RAM_SAVE_FLAG_MEM_SIZE) {
3229 if (addr != phys_ram_size)
3233 if (flags & RAM_SAVE_FLAG_FULL) {
3234 if (ram_load_dead(f, opaque) < 0)
3238 if (flags & RAM_SAVE_FLAG_COMPRESS) {
3239 uint8_t ch = qemu_get_byte(f);
3240 memset(phys_ram_base + addr, ch, TARGET_PAGE_SIZE);
3241 } else if (flags & RAM_SAVE_FLAG_PAGE)
3242 qemu_get_buffer(f, phys_ram_base + addr, TARGET_PAGE_SIZE);
3243 } while (!(flags & RAM_SAVE_FLAG_EOS));
3248 void qemu_service_io(void)
3250 CPUState *env = cpu_single_env;
3252 cpu_interrupt(env, CPU_INTERRUPT_EXIT);
3254 if (env->kqemu_enabled) {
3255 kqemu_cpu_interrupt(env);
3261 /***********************************************************/
3262 /* bottom halves (can be seen as timers which expire ASAP) */
3273 static QEMUBH *first_bh = NULL;
3275 QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque)
3278 bh = qemu_mallocz(sizeof(QEMUBH));
3282 bh->opaque = opaque;
3283 bh->next = first_bh;
3288 int qemu_bh_poll(void)
3294 for (bh = first_bh; bh; bh = bh->next) {
3295 if (!bh->deleted && bh->scheduled) {
3304 /* remove deleted bhs */
3318 void qemu_bh_schedule_idle(QEMUBH *bh)
3326 void qemu_bh_schedule(QEMUBH *bh)
3328 CPUState *env = cpu_single_env;
3333 /* stop the currently executing CPU to execute the BH ASAP */
3335 cpu_interrupt(env, CPU_INTERRUPT_EXIT);
3339 void qemu_bh_cancel(QEMUBH *bh)
3344 void qemu_bh_delete(QEMUBH *bh)
3350 static void qemu_bh_update_timeout(int *timeout)
3354 for (bh = first_bh; bh; bh = bh->next) {
3355 if (!bh->deleted && bh->scheduled) {
3357 /* idle bottom halves will be polled at least
3359 *timeout = MIN(10, *timeout);
3361 /* non-idle bottom halves will be executed
3370 /***********************************************************/
3371 /* machine registration */
3373 static QEMUMachine *first_machine = NULL;
3375 int qemu_register_machine(QEMUMachine *m)
3378 pm = &first_machine;
3386 static QEMUMachine *find_machine(const char *name)
3390 for(m = first_machine; m != NULL; m = m->next) {
3391 if (!strcmp(m->name, name))
3397 /***********************************************************/
3398 /* main execution loop */
3400 static void gui_update(void *opaque)
3402 uint64_t interval = GUI_REFRESH_INTERVAL;
3403 DisplayState *ds = opaque;
3404 DisplayChangeListener *dcl = ds->listeners;
3408 while (dcl != NULL) {
3409 if (dcl->gui_timer_interval &&
3410 dcl->gui_timer_interval < interval)
3411 interval = dcl->gui_timer_interval;
3414 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock(rt_clock));
3417 struct vm_change_state_entry {
3418 VMChangeStateHandler *cb;
3420 LIST_ENTRY (vm_change_state_entry) entries;
3423 static LIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
3425 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
3428 VMChangeStateEntry *e;
3430 e = qemu_mallocz(sizeof (*e));
3436 LIST_INSERT_HEAD(&vm_change_state_head, e, entries);
3440 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
3442 LIST_REMOVE (e, entries);
3446 static void vm_state_notify(int running)
3448 VMChangeStateEntry *e;
3450 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
3451 e->cb(e->opaque, running);
3455 /* XXX: support several handlers */
3456 static VMStopHandler *vm_stop_cb;
3457 static void *vm_stop_opaque;
3459 int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque)
3462 vm_stop_opaque = opaque;
3466 void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque)
3477 qemu_rearm_alarm_timer(alarm_timer);
3481 void vm_stop(int reason)
3484 cpu_disable_ticks();
3488 vm_stop_cb(vm_stop_opaque, reason);
3495 /* reset/shutdown handler */
3497 typedef struct QEMUResetEntry {
3498 QEMUResetHandler *func;
3500 struct QEMUResetEntry *next;
3503 static QEMUResetEntry *first_reset_entry;
3504 static int reset_requested;
3505 static int shutdown_requested;
3506 static int powerdown_requested;
3508 int qemu_shutdown_requested(void)
3510 int r = shutdown_requested;
3511 shutdown_requested = 0;
3515 int qemu_reset_requested(void)
3517 int r = reset_requested;
3518 reset_requested = 0;
3522 int qemu_powerdown_requested(void)
3524 int r = powerdown_requested;
3525 powerdown_requested = 0;
3529 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
3531 QEMUResetEntry **pre, *re;
3533 pre = &first_reset_entry;
3534 while (*pre != NULL)
3535 pre = &(*pre)->next;
3536 re = qemu_mallocz(sizeof(QEMUResetEntry));
3538 re->opaque = opaque;
3543 void qemu_system_reset(void)
3547 /* reset all devices */
3548 for(re = first_reset_entry; re != NULL; re = re->next) {
3549 re->func(re->opaque);
3553 void qemu_system_reset_request(void)
3556 shutdown_requested = 1;
3558 reset_requested = 1;
3561 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
3564 void qemu_system_shutdown_request(void)
3566 shutdown_requested = 1;
3568 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
3571 void qemu_system_powerdown_request(void)
3573 powerdown_requested = 1;
3575 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
3579 static void host_main_loop_wait(int *timeout)
3585 /* XXX: need to suppress polling by better using win32 events */
3587 for(pe = first_polling_entry; pe != NULL; pe = pe->next) {
3588 ret |= pe->func(pe->opaque);
3592 WaitObjects *w = &wait_objects;
3594 ret = WaitForMultipleObjects(w->num, w->events, FALSE, *timeout);
3595 if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) {
3596 if (w->func[ret - WAIT_OBJECT_0])
3597 w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]);
3599 /* Check for additional signaled events */
3600 for(i = (ret - WAIT_OBJECT_0 + 1); i < w->num; i++) {
3602 /* Check if event is signaled */
3603 ret2 = WaitForSingleObject(w->events[i], 0);
3604 if(ret2 == WAIT_OBJECT_0) {
3606 w->func[i](w->opaque[i]);
3607 } else if (ret2 == WAIT_TIMEOUT) {
3609 err = GetLastError();
3610 fprintf(stderr, "WaitForSingleObject error %d %d\n", i, err);
3613 } else if (ret == WAIT_TIMEOUT) {
3615 err = GetLastError();
3616 fprintf(stderr, "WaitForMultipleObjects error %d %d\n", ret, err);
3623 static void host_main_loop_wait(int *timeout)
3628 void main_loop_wait(int timeout)
3630 IOHandlerRecord *ioh;
3631 fd_set rfds, wfds, xfds;
3635 qemu_bh_update_timeout(&timeout);
3637 host_main_loop_wait(&timeout);
3639 /* poll any events */
3640 /* XXX: separate device handlers from system ones */
3645 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
3649 (!ioh->fd_read_poll ||
3650 ioh->fd_read_poll(ioh->opaque) != 0)) {
3651 FD_SET(ioh->fd, &rfds);
3655 if (ioh->fd_write) {
3656 FD_SET(ioh->fd, &wfds);
3662 tv.tv_sec = timeout / 1000;
3663 tv.tv_usec = (timeout % 1000) * 1000;
3665 #if defined(CONFIG_SLIRP)
3666 if (slirp_is_inited()) {
3667 slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
3670 ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
3672 IOHandlerRecord **pioh;
3674 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
3675 if (!ioh->deleted && ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) {
3676 ioh->fd_read(ioh->opaque);
3678 if (!ioh->deleted && ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) {
3679 ioh->fd_write(ioh->opaque);
3683 /* remove deleted IO handlers */
3684 pioh = &first_io_handler;
3694 #if defined(CONFIG_SLIRP)
3695 if (slirp_is_inited()) {
3701 slirp_select_poll(&rfds, &wfds, &xfds);
3705 /* vm time timers */
3706 if (vm_running && likely(!(cur_cpu->singlestep_enabled & SSTEP_NOTIMER)))
3707 qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL],
3708 qemu_get_clock(vm_clock));
3710 /* real time timers */
3711 qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME],
3712 qemu_get_clock(rt_clock));
3714 /* Check bottom-halves last in case any of the earlier events triggered
3720 static int main_loop(void)
3723 #ifdef CONFIG_PROFILER
3728 cur_cpu = first_cpu;
3729 next_cpu = cur_cpu->next_cpu ?: first_cpu;
3736 #ifdef CONFIG_PROFILER
3737 ti = profile_getclock();
3742 qemu_icount -= (env->icount_decr.u16.low + env->icount_extra);
3743 env->icount_decr.u16.low = 0;
3744 env->icount_extra = 0;
3745 count = qemu_next_deadline();
3746 count = (count + (1 << icount_time_shift) - 1)
3747 >> icount_time_shift;
3748 qemu_icount += count;
3749 decr = (count > 0xffff) ? 0xffff : count;
3751 env->icount_decr.u16.low = decr;
3752 env->icount_extra = count;
3754 ret = cpu_exec(env);
3755 #ifdef CONFIG_PROFILER
3756 qemu_time += profile_getclock() - ti;
3759 /* Fold pending instructions back into the
3760 instruction counter, and clear the interrupt flag. */
3761 qemu_icount -= (env->icount_decr.u16.low
3762 + env->icount_extra);
3763 env->icount_decr.u32 = 0;
3764 env->icount_extra = 0;
3766 next_cpu = env->next_cpu ?: first_cpu;
3767 if (event_pending && likely(ret != EXCP_DEBUG)) {
3768 ret = EXCP_INTERRUPT;
3772 if (ret == EXCP_HLT) {
3773 /* Give the next CPU a chance to run. */
3777 if (ret != EXCP_HALTED)
3779 /* all CPUs are halted ? */
3785 if (shutdown_requested) {
3786 ret = EXCP_INTERRUPT;
3794 if (reset_requested) {
3795 reset_requested = 0;
3796 qemu_system_reset();
3797 ret = EXCP_INTERRUPT;
3799 if (powerdown_requested) {
3800 powerdown_requested = 0;
3801 qemu_system_powerdown();
3802 ret = EXCP_INTERRUPT;
3804 if (unlikely(ret == EXCP_DEBUG)) {
3805 gdb_set_stop_cpu(cur_cpu);
3806 vm_stop(EXCP_DEBUG);
3808 /* If all cpus are halted then wait until the next IRQ */
3809 /* XXX: use timeout computed from timers */
3810 if (ret == EXCP_HALTED) {
3814 /* Advance virtual time to the next event. */
3815 if (use_icount == 1) {
3816 /* When not using an adaptive execution frequency
3817 we tend to get badly out of sync with real time,
3818 so just delay for a reasonable amount of time. */
3821 delta = cpu_get_icount() - cpu_get_clock();
3824 /* If virtual time is ahead of real time then just
3826 timeout = (delta / 1000000) + 1;
3828 /* Wait for either IO to occur or the next
3830 add = qemu_next_deadline();
3831 /* We advance the timer before checking for IO.
3832 Limit the amount we advance so that early IO
3833 activity won't get the guest too far ahead. */
3837 add = (add + (1 << icount_time_shift) - 1)
3838 >> icount_time_shift;
3840 timeout = delta / 1000000;
3851 if (shutdown_requested) {
3852 ret = EXCP_INTERRUPT;
3857 #ifdef CONFIG_PROFILER
3858 ti = profile_getclock();
3860 main_loop_wait(timeout);
3861 #ifdef CONFIG_PROFILER
3862 dev_time += profile_getclock() - ti;
3865 cpu_disable_ticks();
3869 static void help(int exitcode)
3871 printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n"
3872 "usage: %s [options] [disk_image]\n"
3874 "'disk_image' is a raw hard image image for IDE hard disk 0\n"
3876 "Standard options:\n"
3877 "-M machine select emulated machine (-M ? for list)\n"
3878 "-cpu cpu select CPU (-cpu ? for list)\n"
3879 "-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
3880 "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
3881 "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
3882 "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
3883 "-drive [file=file][,if=type][,bus=n][,unit=m][,media=d][,index=i]\n"
3884 " [,cyls=c,heads=h,secs=s[,trans=t]][,snapshot=on|off]\n"
3885 " [,cache=writethrough|writeback|none][,format=f][,serial=s]\n"
3886 " use 'file' as a drive image\n"
3887 "-mtdblock file use 'file' as on-board Flash memory image\n"
3888 "-sd file use 'file' as SecureDigital card image\n"
3889 "-pflash file use 'file' as a parallel flash image\n"
3890 "-boot [a|c|d|n] boot on floppy (a), hard disk (c), CD-ROM (d), or network (n)\n"
3891 "-snapshot write to temporary files instead of disk image files\n"
3893 "-no-frame open SDL window without a frame and window decorations\n"
3894 "-alt-grab use Ctrl-Alt-Shift to grab mouse (instead of Ctrl-Alt)\n"
3895 "-no-quit disable SDL window close capability\n"
3899 "-no-fd-bootchk disable boot signature checking for floppy disks\n"
3901 "-m megs set virtual RAM size to megs MB [default=%d]\n"
3902 "-smp n set the number of CPUs to 'n' [default=1]\n"
3903 "-nographic disable graphical output and redirect serial I/Os to console\n"
3904 "-portrait rotate graphical output 90 deg left (only PXA LCD)\n"
3906 "-k language use keyboard layout (for example \"fr\" for French)\n"
3909 "-audio-help print list of audio drivers and their options\n"
3910 "-soundhw c1,... enable audio support\n"
3911 " and only specified sound cards (comma separated list)\n"
3912 " use -soundhw ? to get the list of supported cards\n"
3913 " use -soundhw all to enable all of them\n"
3915 "-vga [std|cirrus|vmware|none]\n"
3916 " select video card type\n"
3917 "-localtime set the real time clock to local time [default=utc]\n"
3918 "-full-screen start in full screen\n"
3920 "-win2k-hack use it when installing Windows 2000 to avoid a disk full bug\n"
3921 "-rtc-td-hack use it to fix time drift in Windows ACPI HAL\n"
3923 "-usb enable the USB driver (will be the default soon)\n"
3924 "-usbdevice name add the host or guest USB device 'name'\n"
3925 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
3926 "-g WxH[xDEPTH] Set the initial graphical resolution and depth\n"
3928 "-name string set the name of the guest\n"
3929 "-uuid %%08x-%%04x-%%04x-%%04x-%%012x specify machine UUID\n"
3931 "Network options:\n"
3932 "-net nic[,vlan=n][,macaddr=addr][,model=type][,name=str]\n"
3933 " create a new Network Interface Card and connect it to VLAN 'n'\n"
3935 "-net user[,vlan=n][,name=str][,hostname=host]\n"
3936 " connect the user mode network stack to VLAN 'n' and send\n"
3937 " hostname 'host' to DHCP clients\n"
3940 "-net tap[,vlan=n][,name=str],ifname=name\n"
3941 " connect the host TAP network interface to VLAN 'n'\n"
3943 "-net tap[,vlan=n][,name=str][,fd=h][,ifname=name][,script=file][,downscript=dfile]\n"
3944 " connect the host TAP network interface to VLAN 'n' and use the\n"
3945 " network scripts 'file' (default=%s)\n"
3946 " and 'dfile' (default=%s);\n"
3947 " use '[down]script=no' to disable script execution;\n"
3948 " use 'fd=h' to connect to an already opened TAP interface\n"
3950 "-net socket[,vlan=n][,name=str][,fd=h][,listen=[host]:port][,connect=host:port]\n"
3951 " connect the vlan 'n' to another VLAN using a socket connection\n"
3952 "-net socket[,vlan=n][,name=str][,fd=h][,mcast=maddr:port]\n"
3953 " connect the vlan 'n' to multicast maddr and port\n"
3955 "-net vde[,vlan=n][,name=str][,sock=socketpath][,port=n][,group=groupname][,mode=octalmode]\n"
3956 " connect the vlan 'n' to port 'n' of a vde switch running\n"
3957 " on host and listening for incoming connections on 'socketpath'.\n"
3958 " Use group 'groupname' and mode 'octalmode' to change default\n"
3959 " ownership and permissions for communication port.\n"
3961 "-net none use it alone to have zero network devices; if no -net option\n"
3962 " is provided, the default is '-net nic -net user'\n"
3964 "-bt hci,null Dumb bluetooth HCI - doesn't respond to commands\n"
3965 "-bt hci,host[:id]\n"
3966 " Use host's HCI with the given name\n"
3967 "-bt hci[,vlan=n]\n"
3968 " Emulate a standard HCI in virtual scatternet 'n'\n"
3969 "-bt vhci[,vlan=n]\n"
3970 " Add host computer to virtual scatternet 'n' using VHCI\n"
3971 "-bt device:dev[,vlan=n]\n"
3972 " Emulate a bluetooth device 'dev' in scatternet 'n'\n"
3975 "-tftp dir allow tftp access to files in dir [-net user]\n"
3976 "-bootp file advertise file in BOOTP replies\n"
3978 "-smb dir allow SMB access to files in 'dir' [-net user]\n"
3980 "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
3981 " redirect TCP or UDP connections from host to guest [-net user]\n"
3984 "Linux boot specific:\n"
3985 "-kernel bzImage use 'bzImage' as kernel image\n"
3986 "-append cmdline use 'cmdline' as kernel command line\n"
3987 "-initrd file use 'file' as initial ram disk\n"
3989 "Debug/Expert options:\n"
3990 "-monitor dev redirect the monitor to char device 'dev'\n"
3991 "-serial dev redirect the serial port to char device 'dev'\n"
3992 "-parallel dev redirect the parallel port to char device 'dev'\n"
3993 "-pidfile file Write PID to 'file'\n"
3994 "-S freeze CPU at startup (use 'c' to start execution)\n"
3995 "-s wait gdb connection to port\n"
3996 "-p port set gdb connection port [default=%s]\n"
3997 "-d item1,... output log to %s (use -d ? for a list of log items)\n"
3998 "-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n"
3999 " translation (t=none or lba) (usually qemu can guess them)\n"
4000 "-L path set the directory for the BIOS, VGA BIOS and keymaps\n"
4002 "-kernel-kqemu enable KQEMU full virtualization (default is user mode only)\n"
4003 "-no-kqemu disable KQEMU kernel module usage\n"
4006 "-enable-kvm enable KVM full virtualization support\n"
4009 "-no-acpi disable ACPI\n"
4010 "-no-hpet disable HPET\n"
4012 #ifdef CONFIG_CURSES
4013 "-curses use a curses/ncurses interface instead of SDL\n"
4015 "-no-reboot exit instead of rebooting\n"
4016 "-no-shutdown stop before shutdown\n"
4017 "-loadvm [tag|id] start right away with a saved state (loadvm in monitor)\n"
4018 "-vnc display start a VNC server on display\n"
4020 "-daemonize daemonize QEMU after initializing\n"
4022 "-option-rom rom load a file, rom, into the option ROM space\n"
4024 "-prom-env variable=value set OpenBIOS nvram variables\n"
4026 "-clock force the use of the given methods for timer alarm.\n"
4027 " To see what timers are available use -clock ?\n"
4028 "-startdate select initial date of the clock\n"
4029 "-icount [N|auto]\n"
4030 " Enable virtual instruction counter with 2^N clock ticks per instruction\n"
4032 "During emulation, the following keys are useful:\n"
4033 "ctrl-alt-f toggle full screen\n"
4034 "ctrl-alt-n switch to virtual console 'n'\n"
4035 "ctrl-alt toggle mouse and keyboard grab\n"
4037 "When using -nographic, press 'ctrl-a h' to get some help.\n"
4042 DEFAULT_NETWORK_SCRIPT,
4043 DEFAULT_NETWORK_DOWN_SCRIPT,
4045 DEFAULT_GDBSTUB_PORT,
4050 #define HAS_ARG 0x0001
4065 QEMU_OPTION_mtdblock,
4069 QEMU_OPTION_snapshot,
4071 QEMU_OPTION_no_fd_bootchk,
4074 QEMU_OPTION_nographic,
4075 QEMU_OPTION_portrait,
4077 QEMU_OPTION_audio_help,
4078 QEMU_OPTION_soundhw,
4100 QEMU_OPTION_localtime,
4104 QEMU_OPTION_monitor,
4106 QEMU_OPTION_virtiocon,
4107 QEMU_OPTION_parallel,
4109 QEMU_OPTION_full_screen,
4110 QEMU_OPTION_no_frame,
4111 QEMU_OPTION_alt_grab,
4112 QEMU_OPTION_no_quit,
4114 QEMU_OPTION_pidfile,
4115 QEMU_OPTION_no_kqemu,
4116 QEMU_OPTION_kernel_kqemu,
4117 QEMU_OPTION_enable_kvm,
4118 QEMU_OPTION_win2k_hack,
4119 QEMU_OPTION_rtc_td_hack,
4121 QEMU_OPTION_usbdevice,
4124 QEMU_OPTION_no_acpi,
4125 QEMU_OPTION_no_hpet,
4127 QEMU_OPTION_no_reboot,
4128 QEMU_OPTION_no_shutdown,
4129 QEMU_OPTION_show_cursor,
4130 QEMU_OPTION_daemonize,
4131 QEMU_OPTION_option_rom,
4132 QEMU_OPTION_semihosting,
4134 QEMU_OPTION_prom_env,
4135 QEMU_OPTION_old_param,
4137 QEMU_OPTION_startdate,
4138 QEMU_OPTION_tb_size,
4141 QEMU_OPTION_incoming,
4144 typedef struct QEMUOption {
4150 static const QEMUOption qemu_options[] = {
4151 { "h", 0, QEMU_OPTION_h },
4152 { "help", 0, QEMU_OPTION_h },
4154 { "M", HAS_ARG, QEMU_OPTION_M },
4155 { "cpu", HAS_ARG, QEMU_OPTION_cpu },
4156 { "fda", HAS_ARG, QEMU_OPTION_fda },
4157 { "fdb", HAS_ARG, QEMU_OPTION_fdb },
4158 { "hda", HAS_ARG, QEMU_OPTION_hda },
4159 { "hdb", HAS_ARG, QEMU_OPTION_hdb },
4160 { "hdc", HAS_ARG, QEMU_OPTION_hdc },
4161 { "hdd", HAS_ARG, QEMU_OPTION_hdd },
4162 { "drive", HAS_ARG, QEMU_OPTION_drive },
4163 { "cdrom", HAS_ARG, QEMU_OPTION_cdrom },
4164 { "mtdblock", HAS_ARG, QEMU_OPTION_mtdblock },
4165 { "sd", HAS_ARG, QEMU_OPTION_sd },
4166 { "pflash", HAS_ARG, QEMU_OPTION_pflash },
4167 { "boot", HAS_ARG, QEMU_OPTION_boot },
4168 { "snapshot", 0, QEMU_OPTION_snapshot },
4170 { "no-fd-bootchk", 0, QEMU_OPTION_no_fd_bootchk },
4172 { "m", HAS_ARG, QEMU_OPTION_m },
4173 { "nographic", 0, QEMU_OPTION_nographic },
4174 { "portrait", 0, QEMU_OPTION_portrait },
4175 { "k", HAS_ARG, QEMU_OPTION_k },
4177 { "audio-help", 0, QEMU_OPTION_audio_help },
4178 { "soundhw", HAS_ARG, QEMU_OPTION_soundhw },
4181 { "net", HAS_ARG, QEMU_OPTION_net},
4183 { "tftp", HAS_ARG, QEMU_OPTION_tftp },
4184 { "bootp", HAS_ARG, QEMU_OPTION_bootp },
4186 { "smb", HAS_ARG, QEMU_OPTION_smb },
4188 { "redir", HAS_ARG, QEMU_OPTION_redir },
4190 { "bt", HAS_ARG, QEMU_OPTION_bt },
4192 { "kernel", HAS_ARG, QEMU_OPTION_kernel },
4193 { "append", HAS_ARG, QEMU_OPTION_append },
4194 { "initrd", HAS_ARG, QEMU_OPTION_initrd },
4196 { "S", 0, QEMU_OPTION_S },
4197 { "s", 0, QEMU_OPTION_s },
4198 { "p", HAS_ARG, QEMU_OPTION_p },
4199 { "d", HAS_ARG, QEMU_OPTION_d },
4200 { "hdachs", HAS_ARG, QEMU_OPTION_hdachs },
4201 { "L", HAS_ARG, QEMU_OPTION_L },
4202 { "bios", HAS_ARG, QEMU_OPTION_bios },
4204 { "no-kqemu", 0, QEMU_OPTION_no_kqemu },
4205 { "kernel-kqemu", 0, QEMU_OPTION_kernel_kqemu },
4208 { "enable-kvm", 0, QEMU_OPTION_enable_kvm },
4210 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
4211 { "g", 1, QEMU_OPTION_g },
4213 { "localtime", 0, QEMU_OPTION_localtime },
4214 { "vga", HAS_ARG, QEMU_OPTION_vga },
4215 { "echr", HAS_ARG, QEMU_OPTION_echr },
4216 { "monitor", HAS_ARG, QEMU_OPTION_monitor },
4217 { "serial", HAS_ARG, QEMU_OPTION_serial },
4218 { "virtioconsole", HAS_ARG, QEMU_OPTION_virtiocon },
4219 { "parallel", HAS_ARG, QEMU_OPTION_parallel },
4220 { "loadvm", HAS_ARG, QEMU_OPTION_loadvm },
4221 { "full-screen", 0, QEMU_OPTION_full_screen },
4223 { "no-frame", 0, QEMU_OPTION_no_frame },
4224 { "alt-grab", 0, QEMU_OPTION_alt_grab },
4225 { "no-quit", 0, QEMU_OPTION_no_quit },
4226 { "sdl", 0, QEMU_OPTION_sdl },
4228 { "pidfile", HAS_ARG, QEMU_OPTION_pidfile },
4229 { "win2k-hack", 0, QEMU_OPTION_win2k_hack },
4230 { "rtc-td-hack", 0, QEMU_OPTION_rtc_td_hack },
4231 { "usbdevice", HAS_ARG, QEMU_OPTION_usbdevice },
4232 { "smp", HAS_ARG, QEMU_OPTION_smp },
4233 { "vnc", HAS_ARG, QEMU_OPTION_vnc },
4234 #ifdef CONFIG_CURSES
4235 { "curses", 0, QEMU_OPTION_curses },
4237 { "uuid", HAS_ARG, QEMU_OPTION_uuid },
4239 /* temporary options */
4240 { "usb", 0, QEMU_OPTION_usb },
4241 { "no-acpi", 0, QEMU_OPTION_no_acpi },
4242 { "no-hpet", 0, QEMU_OPTION_no_hpet },
4243 { "no-reboot", 0, QEMU_OPTION_no_reboot },
4244 { "no-shutdown", 0, QEMU_OPTION_no_shutdown },
4245 { "show-cursor", 0, QEMU_OPTION_show_cursor },
4246 { "daemonize", 0, QEMU_OPTION_daemonize },
4247 { "option-rom", HAS_ARG, QEMU_OPTION_option_rom },
4248 #if defined(TARGET_ARM) || defined(TARGET_M68K)
4249 { "semihosting", 0, QEMU_OPTION_semihosting },
4251 { "name", HAS_ARG, QEMU_OPTION_name },
4252 #if defined(TARGET_SPARC) || defined(TARGET_PPC)
4253 { "prom-env", HAS_ARG, QEMU_OPTION_prom_env },
4255 #if defined(TARGET_ARM)
4256 { "old-param", 0, QEMU_OPTION_old_param },
4258 { "clock", HAS_ARG, QEMU_OPTION_clock },
4259 { "startdate", HAS_ARG, QEMU_OPTION_startdate },
4260 { "tb-size", HAS_ARG, QEMU_OPTION_tb_size },
4261 { "icount", HAS_ARG, QEMU_OPTION_icount },
4262 { "incoming", HAS_ARG, QEMU_OPTION_incoming },
4266 /* password input */
4268 int qemu_key_check(BlockDriverState *bs, const char *name)
4273 if (!bdrv_is_encrypted(bs))
4276 term_printf("%s is encrypted.\n", name);
4277 for(i = 0; i < 3; i++) {
4278 monitor_readline("Password: ", 1, password, sizeof(password));
4279 if (bdrv_set_key(bs, password) == 0)
4281 term_printf("invalid password\n");
4286 static BlockDriverState *get_bdrv(int index)
4288 if (index > nb_drives)
4290 return drives_table[index].bdrv;
4293 static void read_passwords(void)
4295 BlockDriverState *bs;
4298 for(i = 0; i < 6; i++) {
4301 qemu_key_check(bs, bdrv_get_device_name(bs));
4306 struct soundhw soundhw[] = {
4307 #ifdef HAS_AUDIO_CHOICE
4308 #if defined(TARGET_I386) || defined(TARGET_MIPS)
4314 { .init_isa = pcspk_audio_init }
4321 "Creative Sound Blaster 16",
4324 { .init_isa = SB16_init }
4328 #ifdef CONFIG_CS4231A
4334 { .init_isa = cs4231a_init }
4342 "Yamaha YMF262 (OPL3)",
4344 "Yamaha YM3812 (OPL2)",
4348 { .init_isa = Adlib_init }
4355 "Gravis Ultrasound GF1",
4358 { .init_isa = GUS_init }
4365 "Intel 82801AA AC97 Audio",
4368 { .init_pci = ac97_init }
4372 #ifdef CONFIG_ES1370
4375 "ENSONIQ AudioPCI ES1370",
4378 { .init_pci = es1370_init }
4382 #endif /* HAS_AUDIO_CHOICE */
4384 { NULL, NULL, 0, 0, { NULL } }
4387 static void select_soundhw (const char *optarg)
4391 if (*optarg == '?') {
4394 printf ("Valid sound card names (comma separated):\n");
4395 for (c = soundhw; c->name; ++c) {
4396 printf ("%-11s %s\n", c->name, c->descr);
4398 printf ("\n-soundhw all will enable all of the above\n");
4399 exit (*optarg != '?');
4407 if (!strcmp (optarg, "all")) {
4408 for (c = soundhw; c->name; ++c) {
4416 e = strchr (p, ',');
4417 l = !e ? strlen (p) : (size_t) (e - p);
4419 for (c = soundhw; c->name; ++c) {
4420 if (!strncmp (c->name, p, l)) {
4429 "Unknown sound card name (too big to show)\n");
4432 fprintf (stderr, "Unknown sound card name `%.*s'\n",
4437 p += l + (e != NULL);
4441 goto show_valid_cards;
4446 static void select_vgahw (const char *p)
4450 if (strstart(p, "std", &opts)) {
4451 std_vga_enabled = 1;
4452 cirrus_vga_enabled = 0;
4454 } else if (strstart(p, "cirrus", &opts)) {
4455 cirrus_vga_enabled = 1;
4456 std_vga_enabled = 0;
4458 } else if (strstart(p, "vmware", &opts)) {
4459 cirrus_vga_enabled = 0;
4460 std_vga_enabled = 0;
4462 } else if (strstart(p, "none", &opts)) {
4463 cirrus_vga_enabled = 0;
4464 std_vga_enabled = 0;
4468 fprintf(stderr, "Unknown vga type: %s\n", p);
4472 const char *nextopt;
4474 if (strstart(opts, ",retrace=", &nextopt)) {
4476 if (strstart(opts, "dumb", &nextopt))
4477 vga_retrace_method = VGA_RETRACE_DUMB;
4478 else if (strstart(opts, "precise", &nextopt))
4479 vga_retrace_method = VGA_RETRACE_PRECISE;
4480 else goto invalid_vga;
4481 } else goto invalid_vga;
4487 static BOOL WINAPI qemu_ctrl_handler(DWORD type)
4489 exit(STATUS_CONTROL_C_EXIT);
4494 static int qemu_uuid_parse(const char *str, uint8_t *uuid)
4498 if(strlen(str) != 36)
4501 ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3],
4502 &uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9],
4503 &uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14], &uuid[15]);
4511 #define MAX_NET_CLIENTS 32
4515 static void termsig_handler(int signal)
4517 qemu_system_shutdown_request();
4520 static void termsig_setup(void)
4522 struct sigaction act;
4524 memset(&act, 0, sizeof(act));
4525 act.sa_handler = termsig_handler;
4526 sigaction(SIGINT, &act, NULL);
4527 sigaction(SIGHUP, &act, NULL);
4528 sigaction(SIGTERM, &act, NULL);
4533 int main(int argc, char **argv, char **envp)
4535 #ifdef CONFIG_GDBSTUB
4537 const char *gdbstub_port;
4539 uint32_t boot_devices_bitmap = 0;
4541 int snapshot, linux_boot, net_boot;
4542 const char *initrd_filename;
4543 const char *kernel_filename, *kernel_cmdline;
4544 const char *boot_devices = "";
4546 DisplayChangeListener *dcl;
4547 int cyls, heads, secs, translation;
4548 const char *net_clients[MAX_NET_CLIENTS];
4550 const char *bt_opts[MAX_BT_CMDLINE];
4554 const char *r, *optarg;
4555 CharDriverState *monitor_hd = NULL;
4556 const char *monitor_device;
4557 const char *serial_devices[MAX_SERIAL_PORTS];
4558 int serial_device_index;
4559 const char *parallel_devices[MAX_PARALLEL_PORTS];
4560 int parallel_device_index;
4561 const char *virtio_consoles[MAX_VIRTIO_CONSOLES];
4562 int virtio_console_index;
4563 const char *loadvm = NULL;
4564 QEMUMachine *machine;
4565 const char *cpu_model;
4566 const char *usb_devices[MAX_USB_CMDLINE];
4567 int usb_devices_index;
4570 const char *pid_file = NULL;
4572 const char *incoming = NULL;
4574 qemu_cache_utils_init(envp);
4576 LIST_INIT (&vm_change_state_head);
4579 struct sigaction act;
4580 sigfillset(&act.sa_mask);
4582 act.sa_handler = SIG_IGN;
4583 sigaction(SIGPIPE, &act, NULL);
4586 SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE);
4587 /* Note: cpu_interrupt() is currently not SMP safe, so we force
4588 QEMU to run on a single CPU */
4593 h = GetCurrentProcess();
4594 if (GetProcessAffinityMask(h, &mask, &smask)) {
4595 for(i = 0; i < 32; i++) {
4596 if (mask & (1 << i))
4601 SetProcessAffinityMask(h, mask);
4607 register_machines();
4608 machine = first_machine;
4610 initrd_filename = NULL;
4612 vga_ram_size = VGA_RAM_SIZE;
4613 #ifdef CONFIG_GDBSTUB
4615 gdbstub_port = DEFAULT_GDBSTUB_PORT;
4620 kernel_filename = NULL;
4621 kernel_cmdline = "";
4622 cyls = heads = secs = 0;
4623 translation = BIOS_ATA_TRANSLATION_AUTO;
4624 monitor_device = "vc";
4626 serial_devices[0] = "vc:80Cx24C";
4627 for(i = 1; i < MAX_SERIAL_PORTS; i++)
4628 serial_devices[i] = NULL;
4629 serial_device_index = 0;
4631 parallel_devices[0] = "vc:640x480";
4632 for(i = 1; i < MAX_PARALLEL_PORTS; i++)
4633 parallel_devices[i] = NULL;
4634 parallel_device_index = 0;
4636 virtio_consoles[0] = "vc:80Cx24C";
4637 for(i = 1; i < MAX_VIRTIO_CONSOLES; i++)
4638 virtio_consoles[i] = NULL;
4639 virtio_console_index = 0;
4641 usb_devices_index = 0;
4660 hda_index = drive_add(argv[optind++], HD_ALIAS, 0);
4662 const QEMUOption *popt;
4665 /* Treat --foo the same as -foo. */
4668 popt = qemu_options;
4671 fprintf(stderr, "%s: invalid option -- '%s'\n",
4675 if (!strcmp(popt->name, r + 1))
4679 if (popt->flags & HAS_ARG) {
4680 if (optind >= argc) {
4681 fprintf(stderr, "%s: option '%s' requires an argument\n",
4685 optarg = argv[optind++];
4690 switch(popt->index) {
4692 machine = find_machine(optarg);
4695 printf("Supported machines are:\n");
4696 for(m = first_machine; m != NULL; m = m->next) {
4697 printf("%-10s %s%s\n",
4699 m == first_machine ? " (default)" : "");
4701 exit(*optarg != '?');
4704 case QEMU_OPTION_cpu:
4705 /* hw initialization will check this */
4706 if (*optarg == '?') {
4707 /* XXX: implement xxx_cpu_list for targets that still miss it */
4708 #if defined(cpu_list)
4709 cpu_list(stdout, &fprintf);
4716 case QEMU_OPTION_initrd:
4717 initrd_filename = optarg;
4719 case QEMU_OPTION_hda:
4721 hda_index = drive_add(optarg, HD_ALIAS, 0);
4723 hda_index = drive_add(optarg, HD_ALIAS
4724 ",cyls=%d,heads=%d,secs=%d%s",
4725 0, cyls, heads, secs,
4726 translation == BIOS_ATA_TRANSLATION_LBA ?
4728 translation == BIOS_ATA_TRANSLATION_NONE ?
4729 ",trans=none" : "");
4731 case QEMU_OPTION_hdb:
4732 case QEMU_OPTION_hdc:
4733 case QEMU_OPTION_hdd:
4734 drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda);
4736 case QEMU_OPTION_drive:
4737 drive_add(NULL, "%s", optarg);
4739 case QEMU_OPTION_mtdblock:
4740 drive_add(optarg, MTD_ALIAS);
4742 case QEMU_OPTION_sd:
4743 drive_add(optarg, SD_ALIAS);
4745 case QEMU_OPTION_pflash:
4746 drive_add(optarg, PFLASH_ALIAS);
4748 case QEMU_OPTION_snapshot:
4751 case QEMU_OPTION_hdachs:
4755 cyls = strtol(p, (char **)&p, 0);
4756 if (cyls < 1 || cyls > 16383)
4761 heads = strtol(p, (char **)&p, 0);
4762 if (heads < 1 || heads > 16)
4767 secs = strtol(p, (char **)&p, 0);
4768 if (secs < 1 || secs > 63)
4772 if (!strcmp(p, "none"))
4773 translation = BIOS_ATA_TRANSLATION_NONE;
4774 else if (!strcmp(p, "lba"))
4775 translation = BIOS_ATA_TRANSLATION_LBA;
4776 else if (!strcmp(p, "auto"))
4777 translation = BIOS_ATA_TRANSLATION_AUTO;
4780 } else if (*p != '\0') {
4782 fprintf(stderr, "qemu: invalid physical CHS format\n");
4785 if (hda_index != -1)
4786 snprintf(drives_opt[hda_index].opt,
4787 sizeof(drives_opt[hda_index].opt),
4788 HD_ALIAS ",cyls=%d,heads=%d,secs=%d%s",
4789 0, cyls, heads, secs,
4790 translation == BIOS_ATA_TRANSLATION_LBA ?
4792 translation == BIOS_ATA_TRANSLATION_NONE ?
4793 ",trans=none" : "");
4796 case QEMU_OPTION_nographic:
4799 #ifdef CONFIG_CURSES
4800 case QEMU_OPTION_curses:
4804 case QEMU_OPTION_portrait:
4807 case QEMU_OPTION_kernel:
4808 kernel_filename = optarg;
4810 case QEMU_OPTION_append:
4811 kernel_cmdline = optarg;
4813 case QEMU_OPTION_cdrom:
4814 drive_add(optarg, CDROM_ALIAS);
4816 case QEMU_OPTION_boot:
4817 boot_devices = optarg;
4818 /* We just do some generic consistency checks */
4820 /* Could easily be extended to 64 devices if needed */
4823 boot_devices_bitmap = 0;
4824 for (p = boot_devices; *p != '\0'; p++) {
4825 /* Allowed boot devices are:
4826 * a b : floppy disk drives
4827 * c ... f : IDE disk drives
4828 * g ... m : machine implementation dependant drives
4829 * n ... p : network devices
4830 * It's up to each machine implementation to check
4831 * if the given boot devices match the actual hardware
4832 * implementation and firmware features.
4834 if (*p < 'a' || *p > 'q') {
4835 fprintf(stderr, "Invalid boot device '%c'\n", *p);
4838 if (boot_devices_bitmap & (1 << (*p - 'a'))) {
4840 "Boot device '%c' was given twice\n",*p);
4843 boot_devices_bitmap |= 1 << (*p - 'a');
4847 case QEMU_OPTION_fda:
4848 case QEMU_OPTION_fdb:
4849 drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda);
4852 case QEMU_OPTION_no_fd_bootchk:
4856 case QEMU_OPTION_net:
4857 if (nb_net_clients >= MAX_NET_CLIENTS) {
4858 fprintf(stderr, "qemu: too many network clients\n");
4861 net_clients[nb_net_clients] = optarg;
4865 case QEMU_OPTION_tftp:
4866 tftp_prefix = optarg;
4868 case QEMU_OPTION_bootp:
4869 bootp_filename = optarg;
4872 case QEMU_OPTION_smb:
4873 net_slirp_smb(optarg);
4876 case QEMU_OPTION_redir:
4877 net_slirp_redir(optarg);
4880 case QEMU_OPTION_bt:
4881 if (nb_bt_opts >= MAX_BT_CMDLINE) {
4882 fprintf(stderr, "qemu: too many bluetooth options\n");
4885 bt_opts[nb_bt_opts++] = optarg;
4888 case QEMU_OPTION_audio_help:
4892 case QEMU_OPTION_soundhw:
4893 select_soundhw (optarg);
4899 case QEMU_OPTION_m: {
4903 value = strtoul(optarg, &ptr, 10);
4905 case 0: case 'M': case 'm':
4912 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
4916 /* On 32-bit hosts, QEMU is limited by virtual address space */
4917 if (value > (2047 << 20)
4919 && HOST_LONG_BITS == 32
4922 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4925 if (value != (uint64_t)(ram_addr_t)value) {
4926 fprintf(stderr, "qemu: ram size too large\n");
4935 const CPULogItem *item;
4937 mask = cpu_str_to_log_mask(optarg);
4939 printf("Log items (comma separated):\n");
4940 for(item = cpu_log_items; item->mask != 0; item++) {
4941 printf("%-10s %s\n", item->name, item->help);
4948 #ifdef CONFIG_GDBSTUB
4953 gdbstub_port = optarg;
4959 case QEMU_OPTION_bios:
4966 keyboard_layout = optarg;
4968 case QEMU_OPTION_localtime:
4971 case QEMU_OPTION_vga:
4972 select_vgahw (optarg);
4979 w = strtol(p, (char **)&p, 10);
4982 fprintf(stderr, "qemu: invalid resolution or depth\n");
4988 h = strtol(p, (char **)&p, 10);
4993 depth = strtol(p, (char **)&p, 10);
4994 if (depth != 8 && depth != 15 && depth != 16 &&
4995 depth != 24 && depth != 32)
4997 } else if (*p == '\0') {
4998 depth = graphic_depth;
5005 graphic_depth = depth;
5008 case QEMU_OPTION_echr:
5011 term_escape_char = strtol(optarg, &r, 0);
5013 printf("Bad argument to echr\n");
5016 case QEMU_OPTION_monitor:
5017 monitor_device = optarg;
5019 case QEMU_OPTION_serial:
5020 if (serial_device_index >= MAX_SERIAL_PORTS) {
5021 fprintf(stderr, "qemu: too many serial ports\n");
5024 serial_devices[serial_device_index] = optarg;
5025 serial_device_index++;
5027 case QEMU_OPTION_virtiocon:
5028 if (virtio_console_index >= MAX_VIRTIO_CONSOLES) {
5029 fprintf(stderr, "qemu: too many virtio consoles\n");
5032 virtio_consoles[virtio_console_index] = optarg;
5033 virtio_console_index++;
5035 case QEMU_OPTION_parallel:
5036 if (parallel_device_index >= MAX_PARALLEL_PORTS) {
5037 fprintf(stderr, "qemu: too many parallel ports\n");
5040 parallel_devices[parallel_device_index] = optarg;
5041 parallel_device_index++;
5043 case QEMU_OPTION_loadvm:
5046 case QEMU_OPTION_full_screen:
5050 case QEMU_OPTION_no_frame:
5053 case QEMU_OPTION_alt_grab:
5056 case QEMU_OPTION_no_quit:
5059 case QEMU_OPTION_sdl:
5063 case QEMU_OPTION_pidfile:
5067 case QEMU_OPTION_win2k_hack:
5068 win2k_install_hack = 1;
5070 case QEMU_OPTION_rtc_td_hack:
5075 case QEMU_OPTION_no_kqemu:
5078 case QEMU_OPTION_kernel_kqemu:
5083 case QEMU_OPTION_enable_kvm:
5090 case QEMU_OPTION_usb:
5093 case QEMU_OPTION_usbdevice:
5095 if (usb_devices_index >= MAX_USB_CMDLINE) {
5096 fprintf(stderr, "Too many USB devices\n");
5099 usb_devices[usb_devices_index] = optarg;
5100 usb_devices_index++;
5102 case QEMU_OPTION_smp:
5103 smp_cpus = atoi(optarg);
5105 fprintf(stderr, "Invalid number of CPUs\n");
5109 case QEMU_OPTION_vnc:
5110 vnc_display = optarg;
5112 case QEMU_OPTION_no_acpi:
5115 case QEMU_OPTION_no_hpet:
5118 case QEMU_OPTION_no_reboot:
5121 case QEMU_OPTION_no_shutdown:
5124 case QEMU_OPTION_show_cursor:
5127 case QEMU_OPTION_uuid:
5128 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
5129 fprintf(stderr, "Fail to parse UUID string."
5130 " Wrong format.\n");
5134 case QEMU_OPTION_daemonize:
5137 case QEMU_OPTION_option_rom:
5138 if (nb_option_roms >= MAX_OPTION_ROMS) {
5139 fprintf(stderr, "Too many option ROMs\n");
5142 option_rom[nb_option_roms] = optarg;
5145 case QEMU_OPTION_semihosting:
5146 semihosting_enabled = 1;
5148 case QEMU_OPTION_name:
5151 #if defined(TARGET_SPARC) || defined(TARGET_PPC)
5152 case QEMU_OPTION_prom_env:
5153 if (nb_prom_envs >= MAX_PROM_ENVS) {
5154 fprintf(stderr, "Too many prom variables\n");
5157 prom_envs[nb_prom_envs] = optarg;
5162 case QEMU_OPTION_old_param:
5166 case QEMU_OPTION_clock:
5167 configure_alarms(optarg);
5169 case QEMU_OPTION_startdate:
5172 time_t rtc_start_date;
5173 if (!strcmp(optarg, "now")) {
5174 rtc_date_offset = -1;
5176 if (sscanf(optarg, "%d-%d-%dT%d:%d:%d",
5184 } else if (sscanf(optarg, "%d-%d-%d",
5187 &tm.tm_mday) == 3) {
5196 rtc_start_date = mktimegm(&tm);
5197 if (rtc_start_date == -1) {
5199 fprintf(stderr, "Invalid date format. Valid format are:\n"
5200 "'now' or '2006-06-17T16:01:21' or '2006-06-17'\n");
5203 rtc_date_offset = time(NULL) - rtc_start_date;
5207 case QEMU_OPTION_tb_size:
5208 tb_size = strtol(optarg, NULL, 0);
5212 case QEMU_OPTION_icount:
5214 if (strcmp(optarg, "auto") == 0) {
5215 icount_time_shift = -1;
5217 icount_time_shift = strtol(optarg, NULL, 0);
5220 case QEMU_OPTION_incoming:
5227 #if defined(CONFIG_KVM) && defined(USE_KQEMU)
5228 if (kvm_allowed && kqemu_allowed) {
5230 "You can not enable both KVM and kqemu at the same time\n");
5235 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
5236 if (smp_cpus > machine->max_cpus) {
5237 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
5238 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
5244 if (serial_device_index == 0)
5245 serial_devices[0] = "stdio";
5246 if (parallel_device_index == 0)
5247 parallel_devices[0] = "null";
5248 if (strncmp(monitor_device, "vc", 2) == 0)
5249 monitor_device = "stdio";
5250 if (virtio_console_index == 0)
5251 virtio_consoles[0] = "null";
5258 if (pipe(fds) == -1)
5269 len = read(fds[0], &status, 1);
5270 if (len == -1 && (errno == EINTR))
5275 else if (status == 1) {
5276 fprintf(stderr, "Could not acquire pidfile\n");
5293 signal(SIGTSTP, SIG_IGN);
5294 signal(SIGTTOU, SIG_IGN);
5295 signal(SIGTTIN, SIG_IGN);
5299 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
5302 write(fds[1], &status, 1);
5304 fprintf(stderr, "Could not acquire pid file\n");
5312 linux_boot = (kernel_filename != NULL);
5313 net_boot = (boot_devices_bitmap >> ('n' - 'a')) & 0xF;
5315 if (!linux_boot && net_boot == 0 &&
5316 !machine->nodisk_ok && nb_drives_opt == 0)
5319 if (!linux_boot && *kernel_cmdline != '\0') {
5320 fprintf(stderr, "-append only allowed with -kernel option\n");
5324 if (!linux_boot && initrd_filename != NULL) {
5325 fprintf(stderr, "-initrd only allowed with -kernel option\n");
5329 /* boot to floppy or the default cd if no hard disk defined yet */
5330 if (!boot_devices[0]) {
5331 boot_devices = "cad";
5333 setvbuf(stdout, NULL, _IOLBF, 0);
5336 if (init_timer_alarm() < 0) {
5337 fprintf(stderr, "could not initialize alarm timer\n");
5340 if (use_icount && icount_time_shift < 0) {
5342 /* 125MIPS seems a reasonable initial guess at the guest speed.
5343 It will be corrected fairly quickly anyway. */
5344 icount_time_shift = 3;
5345 init_icount_adjust();
5352 /* init network clients */
5353 if (nb_net_clients == 0) {
5354 /* if no clients, we use a default config */
5355 net_clients[nb_net_clients++] = "nic";
5357 net_clients[nb_net_clients++] = "user";
5361 for(i = 0;i < nb_net_clients; i++) {
5362 if (net_client_parse(net_clients[i]) < 0)
5368 /* XXX: this should be moved in the PC machine instantiation code */
5369 if (net_boot != 0) {
5371 for (i = 0; i < nb_nics && i < 4; i++) {
5372 const char *model = nd_table[i].model;
5374 if (net_boot & (1 << i)) {
5377 snprintf(buf, sizeof(buf), "%s/pxe-%s.bin", bios_dir, model);
5378 if (get_image_size(buf) > 0) {
5379 if (nb_option_roms >= MAX_OPTION_ROMS) {
5380 fprintf(stderr, "Too many option ROMs\n");
5383 option_rom[nb_option_roms] = strdup(buf);
5390 fprintf(stderr, "No valid PXE rom found for network device\n");
5396 /* init the bluetooth world */
5397 for (i = 0; i < nb_bt_opts; i++)
5398 if (bt_parse(bt_opts[i]))
5401 /* init the memory */
5402 phys_ram_size = machine->ram_require & ~RAMSIZE_FIXED;
5404 if (machine->ram_require & RAMSIZE_FIXED) {
5406 if (ram_size < phys_ram_size) {
5407 fprintf(stderr, "Machine `%s' requires %llu bytes of memory\n",
5408 machine->name, (unsigned long long) phys_ram_size);
5412 phys_ram_size = ram_size;
5414 ram_size = phys_ram_size;
5417 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
5419 phys_ram_size += ram_size;
5422 phys_ram_base = qemu_vmalloc(phys_ram_size);
5423 if (!phys_ram_base) {
5424 fprintf(stderr, "Could not allocate physical memory\n");
5428 /* init the dynamic translator */
5429 cpu_exec_init_all(tb_size * 1024 * 1024);
5433 /* we always create the cdrom drive, even if no disk is there */
5435 if (nb_drives_opt < MAX_DRIVES)
5436 drive_add(NULL, CDROM_ALIAS);
5438 /* we always create at least one floppy */
5440 if (nb_drives_opt < MAX_DRIVES)
5441 drive_add(NULL, FD_ALIAS, 0);
5443 /* we always create one sd slot, even if no card is in it */
5445 if (nb_drives_opt < MAX_DRIVES)
5446 drive_add(NULL, SD_ALIAS);
5448 /* open the virtual block devices */
5450 for(i = 0; i < nb_drives_opt; i++)
5451 if (drive_init(&drives_opt[i], snapshot, machine) == -1)
5454 register_savevm("timer", 0, 2, timer_save, timer_load, NULL);
5455 register_savevm_live("ram", 0, 3, ram_save_live, NULL, ram_load, NULL);
5458 /* must be after terminal init, SDL library changes signal handlers */
5462 /* Maintain compatibility with multiple stdio monitors */
5463 if (!strcmp(monitor_device,"stdio")) {
5464 for (i = 0; i < MAX_SERIAL_PORTS; i++) {
5465 const char *devname = serial_devices[i];
5466 if (devname && !strcmp(devname,"mon:stdio")) {
5467 monitor_device = NULL;
5469 } else if (devname && !strcmp(devname,"stdio")) {
5470 monitor_device = NULL;
5471 serial_devices[i] = "mon:stdio";
5477 if (kvm_enabled()) {
5480 ret = kvm_init(smp_cpus);
5482 fprintf(stderr, "failed to initialize KVM\n");
5487 if (monitor_device) {
5488 monitor_hd = qemu_chr_open("monitor", monitor_device, NULL);
5490 fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device);
5495 for(i = 0; i < MAX_SERIAL_PORTS; i++) {
5496 const char *devname = serial_devices[i];
5497 if (devname && strcmp(devname, "none")) {
5499 snprintf(label, sizeof(label), "serial%d", i);
5500 serial_hds[i] = qemu_chr_open(label, devname, NULL);
5501 if (!serial_hds[i]) {
5502 fprintf(stderr, "qemu: could not open serial device '%s'\n",
5509 for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
5510 const char *devname = parallel_devices[i];
5511 if (devname && strcmp(devname, "none")) {
5513 snprintf(label, sizeof(label), "parallel%d", i);
5514 parallel_hds[i] = qemu_chr_open(label, devname, NULL);
5515 if (!parallel_hds[i]) {
5516 fprintf(stderr, "qemu: could not open parallel device '%s'\n",
5523 for(i = 0; i < MAX_VIRTIO_CONSOLES; i++) {
5524 const char *devname = virtio_consoles[i];
5525 if (devname && strcmp(devname, "none")) {
5527 snprintf(label, sizeof(label), "virtcon%d", i);
5528 virtcon_hds[i] = qemu_chr_open(label, devname, NULL);
5529 if (!virtcon_hds[i]) {
5530 fprintf(stderr, "qemu: could not open virtio console '%s'\n",
5537 machine->init(ram_size, vga_ram_size, boot_devices,
5538 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
5540 /* Set KVM's vcpu state to qemu's initial CPUState. */
5541 if (kvm_enabled()) {
5544 ret = kvm_sync_vcpus();
5546 fprintf(stderr, "failed to initialize vcpus\n");
5551 /* init USB devices */
5553 for(i = 0; i < usb_devices_index; i++) {
5554 if (usb_device_add(usb_devices[i]) < 0) {
5555 fprintf(stderr, "Warning: could not add USB device %s\n",
5562 dumb_display_init();
5563 /* just use the first displaystate for the moment */
5568 fprintf(stderr, "fatal: -nographic can't be used with -curses\n");
5572 #if defined(CONFIG_CURSES)
5574 /* At the moment curses cannot be used with other displays */
5575 curses_display_init(ds, full_screen);
5579 if (vnc_display != NULL) {
5580 vnc_display_init(ds);
5581 if (vnc_display_open(ds, vnc_display) < 0)
5584 if (sdl || !vnc_display)
5585 #if defined(CONFIG_SDL)
5586 sdl_display_init(ds, full_screen, no_frame);
5587 #elif defined(CONFIG_COCOA)
5588 cocoa_display_init(ds, full_screen);
5594 dcl = ds->listeners;
5595 while (dcl != NULL) {
5596 if (dcl->dpy_refresh != NULL) {
5597 ds->gui_timer = qemu_new_timer(rt_clock, gui_update, ds);
5598 qemu_mod_timer(ds->gui_timer, qemu_get_clock(rt_clock));
5603 text_consoles_set_display(display_state);
5605 if (monitor_device && monitor_hd)
5606 monitor_init(monitor_hd, !nographic);
5608 for(i = 0; i < MAX_SERIAL_PORTS; i++) {
5609 const char *devname = serial_devices[i];
5610 if (devname && strcmp(devname, "none")) {
5612 snprintf(label, sizeof(label), "serial%d", i);
5613 if (strstart(devname, "vc", 0))
5614 qemu_chr_printf(serial_hds[i], "serial%d console\r\n", i);
5618 for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
5619 const char *devname = parallel_devices[i];
5620 if (devname && strcmp(devname, "none")) {
5622 snprintf(label, sizeof(label), "parallel%d", i);
5623 if (strstart(devname, "vc", 0))
5624 qemu_chr_printf(parallel_hds[i], "parallel%d console\r\n", i);
5628 for(i = 0; i < MAX_VIRTIO_CONSOLES; i++) {
5629 const char *devname = virtio_consoles[i];
5630 if (virtcon_hds[i] && devname) {
5632 snprintf(label, sizeof(label), "virtcon%d", i);
5633 if (strstart(devname, "vc", 0))
5634 qemu_chr_printf(virtcon_hds[i], "virtio console%d\r\n", i);
5638 #ifdef CONFIG_GDBSTUB
5640 /* XXX: use standard host:port notation and modify options
5642 if (gdbserver_start(gdbstub_port) < 0) {
5643 fprintf(stderr, "qemu: could not open gdbstub device on port '%s'\n",
5654 autostart = 0; /* fixme how to deal with -daemonize */
5655 qemu_start_incoming_migration(incoming);
5659 /* XXX: simplify init */
5672 len = write(fds[1], &status, 1);
5673 if (len == -1 && (errno == EINTR))
5680 TFR(fd = open("/dev/null", O_RDWR));