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 static void bdrv_format_print(void *opaque, const char *name)
2205 fprintf(stderr, " %s", name);
2208 static int drive_init(struct drive_opt *arg, int snapshot,
2209 QEMUMachine *machine)
2215 const char *mediastr = "";
2216 BlockInterfaceType type;
2217 enum { MEDIA_DISK, MEDIA_CDROM } media;
2218 int bus_id, unit_id;
2219 int cyls, heads, secs, translation;
2220 BlockDriverState *bdrv;
2221 BlockDriver *drv = NULL;
2226 char *str = arg->opt;
2227 static const char * const params[] = { "bus", "unit", "if", "index",
2228 "cyls", "heads", "secs", "trans",
2229 "media", "snapshot", "file",
2230 "cache", "format", "serial", NULL };
2232 if (check_params(buf, sizeof(buf), params, str) < 0) {
2233 fprintf(stderr, "qemu: unknown parameter '%s' in '%s'\n",
2239 cyls = heads = secs = 0;
2242 translation = BIOS_ATA_TRANSLATION_AUTO;
2246 if (machine->use_scsi) {
2248 max_devs = MAX_SCSI_DEVS;
2249 pstrcpy(devname, sizeof(devname), "scsi");
2252 max_devs = MAX_IDE_DEVS;
2253 pstrcpy(devname, sizeof(devname), "ide");
2257 /* extract parameters */
2259 if (get_param_value(buf, sizeof(buf), "bus", str)) {
2260 bus_id = strtol(buf, NULL, 0);
2262 fprintf(stderr, "qemu: '%s' invalid bus id\n", str);
2267 if (get_param_value(buf, sizeof(buf), "unit", str)) {
2268 unit_id = strtol(buf, NULL, 0);
2270 fprintf(stderr, "qemu: '%s' invalid unit id\n", str);
2275 if (get_param_value(buf, sizeof(buf), "if", str)) {
2276 pstrcpy(devname, sizeof(devname), buf);
2277 if (!strcmp(buf, "ide")) {
2279 max_devs = MAX_IDE_DEVS;
2280 } else if (!strcmp(buf, "scsi")) {
2282 max_devs = MAX_SCSI_DEVS;
2283 } else if (!strcmp(buf, "floppy")) {
2286 } else if (!strcmp(buf, "pflash")) {
2289 } else if (!strcmp(buf, "mtd")) {
2292 } else if (!strcmp(buf, "sd")) {
2295 } else if (!strcmp(buf, "virtio")) {
2299 fprintf(stderr, "qemu: '%s' unsupported bus type '%s'\n", str, buf);
2304 if (get_param_value(buf, sizeof(buf), "index", str)) {
2305 index = strtol(buf, NULL, 0);
2307 fprintf(stderr, "qemu: '%s' invalid index\n", str);
2312 if (get_param_value(buf, sizeof(buf), "cyls", str)) {
2313 cyls = strtol(buf, NULL, 0);
2316 if (get_param_value(buf, sizeof(buf), "heads", str)) {
2317 heads = strtol(buf, NULL, 0);
2320 if (get_param_value(buf, sizeof(buf), "secs", str)) {
2321 secs = strtol(buf, NULL, 0);
2324 if (cyls || heads || secs) {
2325 if (cyls < 1 || cyls > 16383) {
2326 fprintf(stderr, "qemu: '%s' invalid physical cyls number\n", str);
2329 if (heads < 1 || heads > 16) {
2330 fprintf(stderr, "qemu: '%s' invalid physical heads number\n", str);
2333 if (secs < 1 || secs > 63) {
2334 fprintf(stderr, "qemu: '%s' invalid physical secs number\n", str);
2339 if (get_param_value(buf, sizeof(buf), "trans", str)) {
2342 "qemu: '%s' trans must be used with cyls,heads and secs\n",
2346 if (!strcmp(buf, "none"))
2347 translation = BIOS_ATA_TRANSLATION_NONE;
2348 else if (!strcmp(buf, "lba"))
2349 translation = BIOS_ATA_TRANSLATION_LBA;
2350 else if (!strcmp(buf, "auto"))
2351 translation = BIOS_ATA_TRANSLATION_AUTO;
2353 fprintf(stderr, "qemu: '%s' invalid translation type\n", str);
2358 if (get_param_value(buf, sizeof(buf), "media", str)) {
2359 if (!strcmp(buf, "disk")) {
2361 } else if (!strcmp(buf, "cdrom")) {
2362 if (cyls || secs || heads) {
2364 "qemu: '%s' invalid physical CHS format\n", str);
2367 media = MEDIA_CDROM;
2369 fprintf(stderr, "qemu: '%s' invalid media\n", str);
2374 if (get_param_value(buf, sizeof(buf), "snapshot", str)) {
2375 if (!strcmp(buf, "on"))
2377 else if (!strcmp(buf, "off"))
2380 fprintf(stderr, "qemu: '%s' invalid snapshot option\n", str);
2385 if (get_param_value(buf, sizeof(buf), "cache", str)) {
2386 if (!strcmp(buf, "off") || !strcmp(buf, "none"))
2388 else if (!strcmp(buf, "writethrough"))
2390 else if (!strcmp(buf, "writeback"))
2393 fprintf(stderr, "qemu: invalid cache option\n");
2398 if (get_param_value(buf, sizeof(buf), "format", str)) {
2399 if (strcmp(buf, "?") == 0) {
2400 fprintf(stderr, "qemu: Supported formats:");
2401 bdrv_iterate_format(bdrv_format_print, NULL);
2402 fprintf(stderr, "\n");
2405 drv = bdrv_find_format(buf);
2407 fprintf(stderr, "qemu: '%s' invalid format\n", buf);
2412 if (arg->file == NULL)
2413 get_param_value(file, sizeof(file), "file", str);
2415 pstrcpy(file, sizeof(file), arg->file);
2417 if (!get_param_value(serial, sizeof(serial), "serial", str))
2418 memset(serial, 0, sizeof(serial));
2420 /* compute bus and unit according index */
2423 if (bus_id != 0 || unit_id != -1) {
2425 "qemu: '%s' index cannot be used with bus and unit\n", str);
2433 unit_id = index % max_devs;
2434 bus_id = index / max_devs;
2438 /* if user doesn't specify a unit_id,
2439 * try to find the first free
2442 if (unit_id == -1) {
2444 while (drive_get_index(type, bus_id, unit_id) != -1) {
2446 if (max_devs && unit_id >= max_devs) {
2447 unit_id -= max_devs;
2455 if (max_devs && unit_id >= max_devs) {
2456 fprintf(stderr, "qemu: '%s' unit %d too big (max is %d)\n",
2457 str, unit_id, max_devs - 1);
2462 * ignore multiple definitions
2465 if (drive_get_index(type, bus_id, unit_id) != -1)
2470 if (type == IF_IDE || type == IF_SCSI)
2471 mediastr = (media == MEDIA_CDROM) ? "-cd" : "-hd";
2473 snprintf(buf, sizeof(buf), "%s%i%s%i",
2474 devname, bus_id, mediastr, unit_id);
2476 snprintf(buf, sizeof(buf), "%s%s%i",
2477 devname, mediastr, unit_id);
2478 bdrv = bdrv_new(buf);
2479 drives_table[nb_drives].bdrv = bdrv;
2480 drives_table[nb_drives].type = type;
2481 drives_table[nb_drives].bus = bus_id;
2482 drives_table[nb_drives].unit = unit_id;
2483 strncpy(drives_table[nb_drives].serial, serial, sizeof(serial));
2492 bdrv_set_geometry_hint(bdrv, cyls, heads, secs);
2493 bdrv_set_translation_hint(bdrv, translation);
2497 bdrv_set_type_hint(bdrv, BDRV_TYPE_CDROM);
2502 /* FIXME: This isn't really a floppy, but it's a reasonable
2505 bdrv_set_type_hint(bdrv, BDRV_TYPE_FLOPPY);
2516 bdrv_flags |= BDRV_O_SNAPSHOT;
2517 cache = 2; /* always use write-back with snapshot */
2519 if (cache == 0) /* no caching */
2520 bdrv_flags |= BDRV_O_NOCACHE;
2521 else if (cache == 2) /* write-back */
2522 bdrv_flags |= BDRV_O_CACHE_WB;
2523 else if (cache == 3) /* not specified */
2524 bdrv_flags |= BDRV_O_CACHE_DEF;
2525 if (bdrv_open2(bdrv, file, bdrv_flags, drv) < 0 || qemu_key_check(bdrv, file)) {
2526 fprintf(stderr, "qemu: could not open disk image %s\n",
2533 /***********************************************************/
2536 static USBPort *used_usb_ports;
2537 static USBPort *free_usb_ports;
2539 /* ??? Maybe change this to register a hub to keep track of the topology. */
2540 void qemu_register_usb_port(USBPort *port, void *opaque, int index,
2541 usb_attachfn attach)
2543 port->opaque = opaque;
2544 port->index = index;
2545 port->attach = attach;
2546 port->next = free_usb_ports;
2547 free_usb_ports = port;
2550 int usb_device_add_dev(USBDevice *dev)
2554 /* Find a USB port to add the device to. */
2555 port = free_usb_ports;
2559 /* Create a new hub and chain it on. */
2560 free_usb_ports = NULL;
2561 port->next = used_usb_ports;
2562 used_usb_ports = port;
2564 hub = usb_hub_init(VM_USB_HUB_SIZE);
2565 usb_attach(port, hub);
2566 port = free_usb_ports;
2569 free_usb_ports = port->next;
2570 port->next = used_usb_ports;
2571 used_usb_ports = port;
2572 usb_attach(port, dev);
2576 static int usb_device_add(const char *devname)
2581 if (!free_usb_ports)
2584 if (strstart(devname, "host:", &p)) {
2585 dev = usb_host_device_open(p);
2586 } else if (!strcmp(devname, "mouse")) {
2587 dev = usb_mouse_init();
2588 } else if (!strcmp(devname, "tablet")) {
2589 dev = usb_tablet_init();
2590 } else if (!strcmp(devname, "keyboard")) {
2591 dev = usb_keyboard_init();
2592 } else if (strstart(devname, "disk:", &p)) {
2593 dev = usb_msd_init(p);
2594 } else if (!strcmp(devname, "wacom-tablet")) {
2595 dev = usb_wacom_init();
2596 } else if (strstart(devname, "serial:", &p)) {
2597 dev = usb_serial_init(p);
2598 #ifdef CONFIG_BRLAPI
2599 } else if (!strcmp(devname, "braille")) {
2600 dev = usb_baum_init();
2602 } else if (strstart(devname, "net:", &p)) {
2605 if (net_client_init("nic", p) < 0)
2607 nd_table[nic].model = "usb";
2608 dev = usb_net_init(&nd_table[nic]);
2609 } else if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
2610 dev = usb_bt_init(devname[2] ? hci_init(p) :
2611 bt_new_hci(qemu_find_bt_vlan(0)));
2618 return usb_device_add_dev(dev);
2621 int usb_device_del_addr(int bus_num, int addr)
2627 if (!used_usb_ports)
2633 lastp = &used_usb_ports;
2634 port = used_usb_ports;
2635 while (port && port->dev->addr != addr) {
2636 lastp = &port->next;
2644 *lastp = port->next;
2645 usb_attach(port, NULL);
2646 dev->handle_destroy(dev);
2647 port->next = free_usb_ports;
2648 free_usb_ports = port;
2652 static int usb_device_del(const char *devname)
2657 if (strstart(devname, "host:", &p))
2658 return usb_host_device_close(p);
2660 if (!used_usb_ports)
2663 p = strchr(devname, '.');
2666 bus_num = strtoul(devname, NULL, 0);
2667 addr = strtoul(p + 1, NULL, 0);
2669 return usb_device_del_addr(bus_num, addr);
2672 void do_usb_add(const char *devname)
2674 usb_device_add(devname);
2677 void do_usb_del(const char *devname)
2679 usb_device_del(devname);
2686 const char *speed_str;
2689 term_printf("USB support not enabled\n");
2693 for (port = used_usb_ports; port; port = port->next) {
2697 switch(dev->speed) {
2701 case USB_SPEED_FULL:
2704 case USB_SPEED_HIGH:
2711 term_printf(" Device %d.%d, Speed %s Mb/s, Product %s\n",
2712 0, dev->addr, speed_str, dev->devname);
2716 /***********************************************************/
2717 /* PCMCIA/Cardbus */
2719 static struct pcmcia_socket_entry_s {
2720 struct pcmcia_socket_s *socket;
2721 struct pcmcia_socket_entry_s *next;
2722 } *pcmcia_sockets = 0;
2724 void pcmcia_socket_register(struct pcmcia_socket_s *socket)
2726 struct pcmcia_socket_entry_s *entry;
2728 entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s));
2729 entry->socket = socket;
2730 entry->next = pcmcia_sockets;
2731 pcmcia_sockets = entry;
2734 void pcmcia_socket_unregister(struct pcmcia_socket_s *socket)
2736 struct pcmcia_socket_entry_s *entry, **ptr;
2738 ptr = &pcmcia_sockets;
2739 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
2740 if (entry->socket == socket) {
2746 void pcmcia_info(void)
2748 struct pcmcia_socket_entry_s *iter;
2749 if (!pcmcia_sockets)
2750 term_printf("No PCMCIA sockets\n");
2752 for (iter = pcmcia_sockets; iter; iter = iter->next)
2753 term_printf("%s: %s\n", iter->socket->slot_string,
2754 iter->socket->attached ? iter->socket->card_string :
2758 /***********************************************************/
2759 /* register display */
2761 void register_displaystate(DisplayState *ds)
2771 DisplayState *get_displaystate(void)
2773 return display_state;
2778 static void dumb_display_init(void)
2780 DisplayState *ds = qemu_mallocz(sizeof(DisplayState));
2782 fprintf(stderr, "dumb_display_init: DisplayState allocation failed\n");
2785 ds->surface = qemu_create_displaysurface(640, 480, 32, 640 * 4);
2786 register_displaystate(ds);
2789 /***********************************************************/
2792 #define MAX_IO_HANDLERS 64
2794 typedef struct IOHandlerRecord {
2796 IOCanRWHandler *fd_read_poll;
2798 IOHandler *fd_write;
2801 /* temporary data */
2803 struct IOHandlerRecord *next;
2806 static IOHandlerRecord *first_io_handler;
2808 /* XXX: fd_read_poll should be suppressed, but an API change is
2809 necessary in the character devices to suppress fd_can_read(). */
2810 int qemu_set_fd_handler2(int fd,
2811 IOCanRWHandler *fd_read_poll,
2813 IOHandler *fd_write,
2816 IOHandlerRecord **pioh, *ioh;
2818 if (!fd_read && !fd_write) {
2819 pioh = &first_io_handler;
2824 if (ioh->fd == fd) {
2831 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
2835 ioh = qemu_mallocz(sizeof(IOHandlerRecord));
2838 ioh->next = first_io_handler;
2839 first_io_handler = ioh;
2842 ioh->fd_read_poll = fd_read_poll;
2843 ioh->fd_read = fd_read;
2844 ioh->fd_write = fd_write;
2845 ioh->opaque = opaque;
2851 int qemu_set_fd_handler(int fd,
2853 IOHandler *fd_write,
2856 return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque);
2860 /***********************************************************/
2861 /* Polling handling */
2863 typedef struct PollingEntry {
2866 struct PollingEntry *next;
2869 static PollingEntry *first_polling_entry;
2871 int qemu_add_polling_cb(PollingFunc *func, void *opaque)
2873 PollingEntry **ppe, *pe;
2874 pe = qemu_mallocz(sizeof(PollingEntry));
2878 pe->opaque = opaque;
2879 for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next);
2884 void qemu_del_polling_cb(PollingFunc *func, void *opaque)
2886 PollingEntry **ppe, *pe;
2887 for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) {
2889 if (pe->func == func && pe->opaque == opaque) {
2897 /***********************************************************/
2898 /* Wait objects support */
2899 typedef struct WaitObjects {
2901 HANDLE events[MAXIMUM_WAIT_OBJECTS + 1];
2902 WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1];
2903 void *opaque[MAXIMUM_WAIT_OBJECTS + 1];
2906 static WaitObjects wait_objects = {0};
2908 int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
2910 WaitObjects *w = &wait_objects;
2912 if (w->num >= MAXIMUM_WAIT_OBJECTS)
2914 w->events[w->num] = handle;
2915 w->func[w->num] = func;
2916 w->opaque[w->num] = opaque;
2921 void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
2924 WaitObjects *w = &wait_objects;
2927 for (i = 0; i < w->num; i++) {
2928 if (w->events[i] == handle)
2931 w->events[i] = w->events[i + 1];
2932 w->func[i] = w->func[i + 1];
2933 w->opaque[i] = w->opaque[i + 1];
2941 /***********************************************************/
2942 /* ram save/restore */
2944 static int ram_get_page(QEMUFile *f, uint8_t *buf, int len)
2948 v = qemu_get_byte(f);
2951 if (qemu_get_buffer(f, buf, len) != len)
2955 v = qemu_get_byte(f);
2956 memset(buf, v, len);
2962 if (qemu_file_has_error(f))
2968 static int ram_load_v1(QEMUFile *f, void *opaque)
2973 if (qemu_get_be32(f) != phys_ram_size)
2975 for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) {
2976 ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE);
2983 #define BDRV_HASH_BLOCK_SIZE 1024
2984 #define IOBUF_SIZE 4096
2985 #define RAM_CBLOCK_MAGIC 0xfabe
2987 typedef struct RamDecompressState {
2990 uint8_t buf[IOBUF_SIZE];
2991 } RamDecompressState;
2993 static int ram_decompress_open(RamDecompressState *s, QEMUFile *f)
2996 memset(s, 0, sizeof(*s));
2998 ret = inflateInit(&s->zstream);
3004 static int ram_decompress_buf(RamDecompressState *s, uint8_t *buf, int len)
3008 s->zstream.avail_out = len;
3009 s->zstream.next_out = buf;
3010 while (s->zstream.avail_out > 0) {
3011 if (s->zstream.avail_in == 0) {
3012 if (qemu_get_be16(s->f) != RAM_CBLOCK_MAGIC)
3014 clen = qemu_get_be16(s->f);
3015 if (clen > IOBUF_SIZE)
3017 qemu_get_buffer(s->f, s->buf, clen);
3018 s->zstream.avail_in = clen;
3019 s->zstream.next_in = s->buf;
3021 ret = inflate(&s->zstream, Z_PARTIAL_FLUSH);
3022 if (ret != Z_OK && ret != Z_STREAM_END) {
3029 static void ram_decompress_close(RamDecompressState *s)
3031 inflateEnd(&s->zstream);
3034 #define RAM_SAVE_FLAG_FULL 0x01
3035 #define RAM_SAVE_FLAG_COMPRESS 0x02
3036 #define RAM_SAVE_FLAG_MEM_SIZE 0x04
3037 #define RAM_SAVE_FLAG_PAGE 0x08
3038 #define RAM_SAVE_FLAG_EOS 0x10
3040 static int is_dup_page(uint8_t *page, uint8_t ch)
3042 uint32_t val = ch << 24 | ch << 16 | ch << 8 | ch;
3043 uint32_t *array = (uint32_t *)page;
3046 for (i = 0; i < (TARGET_PAGE_SIZE / 4); i++) {
3047 if (array[i] != val)
3054 static int ram_save_block(QEMUFile *f)
3056 static ram_addr_t current_addr = 0;
3057 ram_addr_t saved_addr = current_addr;
3058 ram_addr_t addr = 0;
3061 while (addr < phys_ram_size) {
3062 if (cpu_physical_memory_get_dirty(current_addr, MIGRATION_DIRTY_FLAG)) {
3065 cpu_physical_memory_reset_dirty(current_addr,
3066 current_addr + TARGET_PAGE_SIZE,
3067 MIGRATION_DIRTY_FLAG);
3069 ch = *(phys_ram_base + current_addr);
3071 if (is_dup_page(phys_ram_base + current_addr, ch)) {
3072 qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_COMPRESS);
3073 qemu_put_byte(f, ch);
3075 qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_PAGE);
3076 qemu_put_buffer(f, phys_ram_base + current_addr, TARGET_PAGE_SIZE);
3082 addr += TARGET_PAGE_SIZE;
3083 current_addr = (saved_addr + addr) % phys_ram_size;
3089 static ram_addr_t ram_save_threshold = 10;
3091 static ram_addr_t ram_save_remaining(void)
3094 ram_addr_t count = 0;
3096 for (addr = 0; addr < phys_ram_size; addr += TARGET_PAGE_SIZE) {
3097 if (cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG))
3104 static int ram_save_live(QEMUFile *f, int stage, void *opaque)
3109 /* Make sure all dirty bits are set */
3110 for (addr = 0; addr < phys_ram_size; addr += TARGET_PAGE_SIZE) {
3111 if (!cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG))
3112 cpu_physical_memory_set_dirty(addr);
3115 /* Enable dirty memory tracking */
3116 cpu_physical_memory_set_dirty_tracking(1);
3118 qemu_put_be64(f, phys_ram_size | RAM_SAVE_FLAG_MEM_SIZE);
3121 while (!qemu_file_rate_limit(f)) {
3124 ret = ram_save_block(f);
3125 if (ret == 0) /* no more blocks */
3129 /* try transferring iterative blocks of memory */
3132 cpu_physical_memory_set_dirty_tracking(0);
3134 /* flush all remaining blocks regardless of rate limiting */
3135 while (ram_save_block(f) != 0);
3138 qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
3140 return (stage == 2) && (ram_save_remaining() < ram_save_threshold);
3143 static int ram_load_dead(QEMUFile *f, void *opaque)
3145 RamDecompressState s1, *s = &s1;
3149 if (ram_decompress_open(s, f) < 0)
3151 for(i = 0; i < phys_ram_size; i+= BDRV_HASH_BLOCK_SIZE) {
3152 if (ram_decompress_buf(s, buf, 1) < 0) {
3153 fprintf(stderr, "Error while reading ram block header\n");
3157 if (ram_decompress_buf(s, phys_ram_base + i, BDRV_HASH_BLOCK_SIZE) < 0) {
3158 fprintf(stderr, "Error while reading ram block address=0x%08" PRIx64, (uint64_t)i);
3163 printf("Error block header\n");
3167 ram_decompress_close(s);
3172 static int ram_load(QEMUFile *f, void *opaque, int version_id)
3177 if (version_id == 1)
3178 return ram_load_v1(f, opaque);
3180 if (version_id == 2) {
3181 if (qemu_get_be32(f) != phys_ram_size)
3183 return ram_load_dead(f, opaque);
3186 if (version_id != 3)
3190 addr = qemu_get_be64(f);
3192 flags = addr & ~TARGET_PAGE_MASK;
3193 addr &= TARGET_PAGE_MASK;
3195 if (flags & RAM_SAVE_FLAG_MEM_SIZE) {
3196 if (addr != phys_ram_size)
3200 if (flags & RAM_SAVE_FLAG_FULL) {
3201 if (ram_load_dead(f, opaque) < 0)
3205 if (flags & RAM_SAVE_FLAG_COMPRESS) {
3206 uint8_t ch = qemu_get_byte(f);
3207 memset(phys_ram_base + addr, ch, TARGET_PAGE_SIZE);
3208 } else if (flags & RAM_SAVE_FLAG_PAGE)
3209 qemu_get_buffer(f, phys_ram_base + addr, TARGET_PAGE_SIZE);
3210 } while (!(flags & RAM_SAVE_FLAG_EOS));
3215 void qemu_service_io(void)
3217 CPUState *env = cpu_single_env;
3219 cpu_interrupt(env, CPU_INTERRUPT_EXIT);
3221 if (env->kqemu_enabled) {
3222 kqemu_cpu_interrupt(env);
3228 /***********************************************************/
3229 /* bottom halves (can be seen as timers which expire ASAP) */
3240 static QEMUBH *first_bh = NULL;
3242 QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque)
3245 bh = qemu_mallocz(sizeof(QEMUBH));
3249 bh->opaque = opaque;
3250 bh->next = first_bh;
3255 int qemu_bh_poll(void)
3261 for (bh = first_bh; bh; bh = bh->next) {
3262 if (!bh->deleted && bh->scheduled) {
3271 /* remove deleted bhs */
3285 void qemu_bh_schedule_idle(QEMUBH *bh)
3293 void qemu_bh_schedule(QEMUBH *bh)
3295 CPUState *env = cpu_single_env;
3300 /* stop the currently executing CPU to execute the BH ASAP */
3302 cpu_interrupt(env, CPU_INTERRUPT_EXIT);
3306 void qemu_bh_cancel(QEMUBH *bh)
3311 void qemu_bh_delete(QEMUBH *bh)
3317 static void qemu_bh_update_timeout(int *timeout)
3321 for (bh = first_bh; bh; bh = bh->next) {
3322 if (!bh->deleted && bh->scheduled) {
3324 /* idle bottom halves will be polled at least
3326 *timeout = MIN(10, *timeout);
3328 /* non-idle bottom halves will be executed
3337 /***********************************************************/
3338 /* machine registration */
3340 static QEMUMachine *first_machine = NULL;
3342 int qemu_register_machine(QEMUMachine *m)
3345 pm = &first_machine;
3353 static QEMUMachine *find_machine(const char *name)
3357 for(m = first_machine; m != NULL; m = m->next) {
3358 if (!strcmp(m->name, name))
3364 /***********************************************************/
3365 /* main execution loop */
3367 static void gui_update(void *opaque)
3369 uint64_t interval = GUI_REFRESH_INTERVAL;
3370 DisplayState *ds = opaque;
3371 DisplayChangeListener *dcl = ds->listeners;
3375 while (dcl != NULL) {
3376 if (dcl->gui_timer_interval &&
3377 dcl->gui_timer_interval < interval)
3378 interval = dcl->gui_timer_interval;
3381 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock(rt_clock));
3384 struct vm_change_state_entry {
3385 VMChangeStateHandler *cb;
3387 LIST_ENTRY (vm_change_state_entry) entries;
3390 static LIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
3392 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
3395 VMChangeStateEntry *e;
3397 e = qemu_mallocz(sizeof (*e));
3403 LIST_INSERT_HEAD(&vm_change_state_head, e, entries);
3407 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
3409 LIST_REMOVE (e, entries);
3413 static void vm_state_notify(int running)
3415 VMChangeStateEntry *e;
3417 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
3418 e->cb(e->opaque, running);
3422 /* XXX: support several handlers */
3423 static VMStopHandler *vm_stop_cb;
3424 static void *vm_stop_opaque;
3426 int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque)
3429 vm_stop_opaque = opaque;
3433 void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque)
3444 qemu_rearm_alarm_timer(alarm_timer);
3448 void vm_stop(int reason)
3451 cpu_disable_ticks();
3455 vm_stop_cb(vm_stop_opaque, reason);
3462 /* reset/shutdown handler */
3464 typedef struct QEMUResetEntry {
3465 QEMUResetHandler *func;
3467 struct QEMUResetEntry *next;
3470 static QEMUResetEntry *first_reset_entry;
3471 static int reset_requested;
3472 static int shutdown_requested;
3473 static int powerdown_requested;
3475 int qemu_shutdown_requested(void)
3477 int r = shutdown_requested;
3478 shutdown_requested = 0;
3482 int qemu_reset_requested(void)
3484 int r = reset_requested;
3485 reset_requested = 0;
3489 int qemu_powerdown_requested(void)
3491 int r = powerdown_requested;
3492 powerdown_requested = 0;
3496 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
3498 QEMUResetEntry **pre, *re;
3500 pre = &first_reset_entry;
3501 while (*pre != NULL)
3502 pre = &(*pre)->next;
3503 re = qemu_mallocz(sizeof(QEMUResetEntry));
3505 re->opaque = opaque;
3510 void qemu_system_reset(void)
3514 /* reset all devices */
3515 for(re = first_reset_entry; re != NULL; re = re->next) {
3516 re->func(re->opaque);
3520 void qemu_system_reset_request(void)
3523 shutdown_requested = 1;
3525 reset_requested = 1;
3528 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
3531 void qemu_system_shutdown_request(void)
3533 shutdown_requested = 1;
3535 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
3538 void qemu_system_powerdown_request(void)
3540 powerdown_requested = 1;
3542 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
3546 static void host_main_loop_wait(int *timeout)
3552 /* XXX: need to suppress polling by better using win32 events */
3554 for(pe = first_polling_entry; pe != NULL; pe = pe->next) {
3555 ret |= pe->func(pe->opaque);
3559 WaitObjects *w = &wait_objects;
3561 ret = WaitForMultipleObjects(w->num, w->events, FALSE, *timeout);
3562 if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) {
3563 if (w->func[ret - WAIT_OBJECT_0])
3564 w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]);
3566 /* Check for additional signaled events */
3567 for(i = (ret - WAIT_OBJECT_0 + 1); i < w->num; i++) {
3569 /* Check if event is signaled */
3570 ret2 = WaitForSingleObject(w->events[i], 0);
3571 if(ret2 == WAIT_OBJECT_0) {
3573 w->func[i](w->opaque[i]);
3574 } else if (ret2 == WAIT_TIMEOUT) {
3576 err = GetLastError();
3577 fprintf(stderr, "WaitForSingleObject error %d %d\n", i, err);
3580 } else if (ret == WAIT_TIMEOUT) {
3582 err = GetLastError();
3583 fprintf(stderr, "WaitForMultipleObjects error %d %d\n", ret, err);
3590 static void host_main_loop_wait(int *timeout)
3595 void main_loop_wait(int timeout)
3597 IOHandlerRecord *ioh;
3598 fd_set rfds, wfds, xfds;
3602 qemu_bh_update_timeout(&timeout);
3604 host_main_loop_wait(&timeout);
3606 /* poll any events */
3607 /* XXX: separate device handlers from system ones */
3612 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
3616 (!ioh->fd_read_poll ||
3617 ioh->fd_read_poll(ioh->opaque) != 0)) {
3618 FD_SET(ioh->fd, &rfds);
3622 if (ioh->fd_write) {
3623 FD_SET(ioh->fd, &wfds);
3629 tv.tv_sec = timeout / 1000;
3630 tv.tv_usec = (timeout % 1000) * 1000;
3632 #if defined(CONFIG_SLIRP)
3633 if (slirp_is_inited()) {
3634 slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
3637 ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
3639 IOHandlerRecord **pioh;
3641 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
3642 if (!ioh->deleted && ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) {
3643 ioh->fd_read(ioh->opaque);
3645 if (!ioh->deleted && ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) {
3646 ioh->fd_write(ioh->opaque);
3650 /* remove deleted IO handlers */
3651 pioh = &first_io_handler;
3661 #if defined(CONFIG_SLIRP)
3662 if (slirp_is_inited()) {
3668 slirp_select_poll(&rfds, &wfds, &xfds);
3672 /* vm time timers */
3673 if (vm_running && likely(!(cur_cpu->singlestep_enabled & SSTEP_NOTIMER)))
3674 qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL],
3675 qemu_get_clock(vm_clock));
3677 /* real time timers */
3678 qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME],
3679 qemu_get_clock(rt_clock));
3681 /* Check bottom-halves last in case any of the earlier events triggered
3687 static int main_loop(void)
3690 #ifdef CONFIG_PROFILER
3695 cur_cpu = first_cpu;
3696 next_cpu = cur_cpu->next_cpu ?: first_cpu;
3703 #ifdef CONFIG_PROFILER
3704 ti = profile_getclock();
3709 qemu_icount -= (env->icount_decr.u16.low + env->icount_extra);
3710 env->icount_decr.u16.low = 0;
3711 env->icount_extra = 0;
3712 count = qemu_next_deadline();
3713 count = (count + (1 << icount_time_shift) - 1)
3714 >> icount_time_shift;
3715 qemu_icount += count;
3716 decr = (count > 0xffff) ? 0xffff : count;
3718 env->icount_decr.u16.low = decr;
3719 env->icount_extra = count;
3721 ret = cpu_exec(env);
3722 #ifdef CONFIG_PROFILER
3723 qemu_time += profile_getclock() - ti;
3726 /* Fold pending instructions back into the
3727 instruction counter, and clear the interrupt flag. */
3728 qemu_icount -= (env->icount_decr.u16.low
3729 + env->icount_extra);
3730 env->icount_decr.u32 = 0;
3731 env->icount_extra = 0;
3733 next_cpu = env->next_cpu ?: first_cpu;
3734 if (event_pending && likely(ret != EXCP_DEBUG)) {
3735 ret = EXCP_INTERRUPT;
3739 if (ret == EXCP_HLT) {
3740 /* Give the next CPU a chance to run. */
3744 if (ret != EXCP_HALTED)
3746 /* all CPUs are halted ? */
3752 if (shutdown_requested) {
3753 ret = EXCP_INTERRUPT;
3761 if (reset_requested) {
3762 reset_requested = 0;
3763 qemu_system_reset();
3764 ret = EXCP_INTERRUPT;
3766 if (powerdown_requested) {
3767 powerdown_requested = 0;
3768 qemu_system_powerdown();
3769 ret = EXCP_INTERRUPT;
3771 if (unlikely(ret == EXCP_DEBUG)) {
3772 gdb_set_stop_cpu(cur_cpu);
3773 vm_stop(EXCP_DEBUG);
3775 /* If all cpus are halted then wait until the next IRQ */
3776 /* XXX: use timeout computed from timers */
3777 if (ret == EXCP_HALTED) {
3781 /* Advance virtual time to the next event. */
3782 if (use_icount == 1) {
3783 /* When not using an adaptive execution frequency
3784 we tend to get badly out of sync with real time,
3785 so just delay for a reasonable amount of time. */
3788 delta = cpu_get_icount() - cpu_get_clock();
3791 /* If virtual time is ahead of real time then just
3793 timeout = (delta / 1000000) + 1;
3795 /* Wait for either IO to occur or the next
3797 add = qemu_next_deadline();
3798 /* We advance the timer before checking for IO.
3799 Limit the amount we advance so that early IO
3800 activity won't get the guest too far ahead. */
3804 add = (add + (1 << icount_time_shift) - 1)
3805 >> icount_time_shift;
3807 timeout = delta / 1000000;
3818 if (shutdown_requested) {
3819 ret = EXCP_INTERRUPT;
3824 #ifdef CONFIG_PROFILER
3825 ti = profile_getclock();
3827 main_loop_wait(timeout);
3828 #ifdef CONFIG_PROFILER
3829 dev_time += profile_getclock() - ti;
3832 cpu_disable_ticks();
3836 static void help(int exitcode)
3838 printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n"
3839 "usage: %s [options] [disk_image]\n"
3841 "'disk_image' is a raw hard image image for IDE hard disk 0\n"
3843 "Standard options:\n"
3844 "-M machine select emulated machine (-M ? for list)\n"
3845 "-cpu cpu select CPU (-cpu ? for list)\n"
3846 "-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
3847 "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
3848 "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
3849 "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
3850 "-drive [file=file][,if=type][,bus=n][,unit=m][,media=d][,index=i]\n"
3851 " [,cyls=c,heads=h,secs=s[,trans=t]][,snapshot=on|off]\n"
3852 " [,cache=writethrough|writeback|none][,format=f][,serial=s]\n"
3853 " use 'file' as a drive image\n"
3854 "-mtdblock file use 'file' as on-board Flash memory image\n"
3855 "-sd file use 'file' as SecureDigital card image\n"
3856 "-pflash file use 'file' as a parallel flash image\n"
3857 "-boot [a|c|d|n] boot on floppy (a), hard disk (c), CD-ROM (d), or network (n)\n"
3858 "-snapshot write to temporary files instead of disk image files\n"
3860 "-no-frame open SDL window without a frame and window decorations\n"
3861 "-alt-grab use Ctrl-Alt-Shift to grab mouse (instead of Ctrl-Alt)\n"
3862 "-no-quit disable SDL window close capability\n"
3866 "-no-fd-bootchk disable boot signature checking for floppy disks\n"
3868 "-m megs set virtual RAM size to megs MB [default=%d]\n"
3869 "-smp n set the number of CPUs to 'n' [default=1]\n"
3870 "-nographic disable graphical output and redirect serial I/Os to console\n"
3871 "-portrait rotate graphical output 90 deg left (only PXA LCD)\n"
3873 "-k language use keyboard layout (for example \"fr\" for French)\n"
3876 "-audio-help print list of audio drivers and their options\n"
3877 "-soundhw c1,... enable audio support\n"
3878 " and only specified sound cards (comma separated list)\n"
3879 " use -soundhw ? to get the list of supported cards\n"
3880 " use -soundhw all to enable all of them\n"
3882 "-vga [std|cirrus|vmware|none]\n"
3883 " select video card type\n"
3884 "-localtime set the real time clock to local time [default=utc]\n"
3885 "-full-screen start in full screen\n"
3887 "-win2k-hack use it when installing Windows 2000 to avoid a disk full bug\n"
3888 "-rtc-td-hack use it to fix time drift in Windows ACPI HAL\n"
3890 "-usb enable the USB driver (will be the default soon)\n"
3891 "-usbdevice name add the host or guest USB device 'name'\n"
3892 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
3893 "-g WxH[xDEPTH] Set the initial graphical resolution and depth\n"
3895 "-name string set the name of the guest\n"
3896 "-uuid %%08x-%%04x-%%04x-%%04x-%%012x specify machine UUID\n"
3898 "Network options:\n"
3899 "-net nic[,vlan=n][,macaddr=addr][,model=type][,name=str]\n"
3900 " create a new Network Interface Card and connect it to VLAN 'n'\n"
3902 "-net user[,vlan=n][,name=str][,hostname=host]\n"
3903 " connect the user mode network stack to VLAN 'n' and send\n"
3904 " hostname 'host' to DHCP clients\n"
3907 "-net tap[,vlan=n][,name=str],ifname=name\n"
3908 " connect the host TAP network interface to VLAN 'n'\n"
3910 "-net tap[,vlan=n][,name=str][,fd=h][,ifname=name][,script=file][,downscript=dfile]\n"
3911 " connect the host TAP network interface to VLAN 'n' and use the\n"
3912 " network scripts 'file' (default=%s)\n"
3913 " and 'dfile' (default=%s);\n"
3914 " use '[down]script=no' to disable script execution;\n"
3915 " use 'fd=h' to connect to an already opened TAP interface\n"
3917 "-net socket[,vlan=n][,name=str][,fd=h][,listen=[host]:port][,connect=host:port]\n"
3918 " connect the vlan 'n' to another VLAN using a socket connection\n"
3919 "-net socket[,vlan=n][,name=str][,fd=h][,mcast=maddr:port]\n"
3920 " connect the vlan 'n' to multicast maddr and port\n"
3922 "-net vde[,vlan=n][,name=str][,sock=socketpath][,port=n][,group=groupname][,mode=octalmode]\n"
3923 " connect the vlan 'n' to port 'n' of a vde switch running\n"
3924 " on host and listening for incoming connections on 'socketpath'.\n"
3925 " Use group 'groupname' and mode 'octalmode' to change default\n"
3926 " ownership and permissions for communication port.\n"
3928 "-net none use it alone to have zero network devices; if no -net option\n"
3929 " is provided, the default is '-net nic -net user'\n"
3931 "-bt hci,null Dumb bluetooth HCI - doesn't respond to commands\n"
3932 "-bt hci,host[:id]\n"
3933 " Use host's HCI with the given name\n"
3934 "-bt hci[,vlan=n]\n"
3935 " Emulate a standard HCI in virtual scatternet 'n'\n"
3936 "-bt vhci[,vlan=n]\n"
3937 " Add host computer to virtual scatternet 'n' using VHCI\n"
3938 "-bt device:dev[,vlan=n]\n"
3939 " Emulate a bluetooth device 'dev' in scatternet 'n'\n"
3942 "-tftp dir allow tftp access to files in dir [-net user]\n"
3943 "-bootp file advertise file in BOOTP replies\n"
3945 "-smb dir allow SMB access to files in 'dir' [-net user]\n"
3947 "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
3948 " redirect TCP or UDP connections from host to guest [-net user]\n"
3951 "Linux boot specific:\n"
3952 "-kernel bzImage use 'bzImage' as kernel image\n"
3953 "-append cmdline use 'cmdline' as kernel command line\n"
3954 "-initrd file use 'file' as initial ram disk\n"
3956 "Debug/Expert options:\n"
3957 "-monitor dev redirect the monitor to char device 'dev'\n"
3958 "-serial dev redirect the serial port to char device 'dev'\n"
3959 "-parallel dev redirect the parallel port to char device 'dev'\n"
3960 "-pidfile file Write PID to 'file'\n"
3961 "-S freeze CPU at startup (use 'c' to start execution)\n"
3962 "-s wait gdb connection to port\n"
3963 "-p port set gdb connection port [default=%s]\n"
3964 "-d item1,... output log to %s (use -d ? for a list of log items)\n"
3965 "-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n"
3966 " translation (t=none or lba) (usually qemu can guess them)\n"
3967 "-L path set the directory for the BIOS, VGA BIOS and keymaps\n"
3969 "-kernel-kqemu enable KQEMU full virtualization (default is user mode only)\n"
3970 "-no-kqemu disable KQEMU kernel module usage\n"
3973 "-enable-kvm enable KVM full virtualization support\n"
3976 "-no-acpi disable ACPI\n"
3977 "-no-hpet disable HPET\n"
3979 #ifdef CONFIG_CURSES
3980 "-curses use a curses/ncurses interface instead of SDL\n"
3982 "-no-reboot exit instead of rebooting\n"
3983 "-no-shutdown stop before shutdown\n"
3984 "-loadvm [tag|id] start right away with a saved state (loadvm in monitor)\n"
3985 "-vnc display start a VNC server on display\n"
3987 "-daemonize daemonize QEMU after initializing\n"
3989 "-option-rom rom load a file, rom, into the option ROM space\n"
3991 "-prom-env variable=value set OpenBIOS nvram variables\n"
3993 "-clock force the use of the given methods for timer alarm.\n"
3994 " To see what timers are available use -clock ?\n"
3995 "-startdate select initial date of the clock\n"
3996 "-icount [N|auto]\n"
3997 " Enable virtual instruction counter with 2^N clock ticks per instruction\n"
3999 "During emulation, the following keys are useful:\n"
4000 "ctrl-alt-f toggle full screen\n"
4001 "ctrl-alt-n switch to virtual console 'n'\n"
4002 "ctrl-alt toggle mouse and keyboard grab\n"
4004 "When using -nographic, press 'ctrl-a h' to get some help.\n"
4009 DEFAULT_NETWORK_SCRIPT,
4010 DEFAULT_NETWORK_DOWN_SCRIPT,
4012 DEFAULT_GDBSTUB_PORT,
4017 #define HAS_ARG 0x0001
4032 QEMU_OPTION_mtdblock,
4036 QEMU_OPTION_snapshot,
4038 QEMU_OPTION_no_fd_bootchk,
4041 QEMU_OPTION_nographic,
4042 QEMU_OPTION_portrait,
4044 QEMU_OPTION_audio_help,
4045 QEMU_OPTION_soundhw,
4067 QEMU_OPTION_localtime,
4071 QEMU_OPTION_monitor,
4073 QEMU_OPTION_virtiocon,
4074 QEMU_OPTION_parallel,
4076 QEMU_OPTION_full_screen,
4077 QEMU_OPTION_no_frame,
4078 QEMU_OPTION_alt_grab,
4079 QEMU_OPTION_no_quit,
4081 QEMU_OPTION_pidfile,
4082 QEMU_OPTION_no_kqemu,
4083 QEMU_OPTION_kernel_kqemu,
4084 QEMU_OPTION_enable_kvm,
4085 QEMU_OPTION_win2k_hack,
4086 QEMU_OPTION_rtc_td_hack,
4088 QEMU_OPTION_usbdevice,
4091 QEMU_OPTION_no_acpi,
4092 QEMU_OPTION_no_hpet,
4094 QEMU_OPTION_no_reboot,
4095 QEMU_OPTION_no_shutdown,
4096 QEMU_OPTION_show_cursor,
4097 QEMU_OPTION_daemonize,
4098 QEMU_OPTION_option_rom,
4099 QEMU_OPTION_semihosting,
4101 QEMU_OPTION_prom_env,
4102 QEMU_OPTION_old_param,
4104 QEMU_OPTION_startdate,
4105 QEMU_OPTION_tb_size,
4108 QEMU_OPTION_incoming,
4111 typedef struct QEMUOption {
4117 static const QEMUOption qemu_options[] = {
4118 { "h", 0, QEMU_OPTION_h },
4119 { "help", 0, QEMU_OPTION_h },
4121 { "M", HAS_ARG, QEMU_OPTION_M },
4122 { "cpu", HAS_ARG, QEMU_OPTION_cpu },
4123 { "fda", HAS_ARG, QEMU_OPTION_fda },
4124 { "fdb", HAS_ARG, QEMU_OPTION_fdb },
4125 { "hda", HAS_ARG, QEMU_OPTION_hda },
4126 { "hdb", HAS_ARG, QEMU_OPTION_hdb },
4127 { "hdc", HAS_ARG, QEMU_OPTION_hdc },
4128 { "hdd", HAS_ARG, QEMU_OPTION_hdd },
4129 { "drive", HAS_ARG, QEMU_OPTION_drive },
4130 { "cdrom", HAS_ARG, QEMU_OPTION_cdrom },
4131 { "mtdblock", HAS_ARG, QEMU_OPTION_mtdblock },
4132 { "sd", HAS_ARG, QEMU_OPTION_sd },
4133 { "pflash", HAS_ARG, QEMU_OPTION_pflash },
4134 { "boot", HAS_ARG, QEMU_OPTION_boot },
4135 { "snapshot", 0, QEMU_OPTION_snapshot },
4137 { "no-fd-bootchk", 0, QEMU_OPTION_no_fd_bootchk },
4139 { "m", HAS_ARG, QEMU_OPTION_m },
4140 { "nographic", 0, QEMU_OPTION_nographic },
4141 { "portrait", 0, QEMU_OPTION_portrait },
4142 { "k", HAS_ARG, QEMU_OPTION_k },
4144 { "audio-help", 0, QEMU_OPTION_audio_help },
4145 { "soundhw", HAS_ARG, QEMU_OPTION_soundhw },
4148 { "net", HAS_ARG, QEMU_OPTION_net},
4150 { "tftp", HAS_ARG, QEMU_OPTION_tftp },
4151 { "bootp", HAS_ARG, QEMU_OPTION_bootp },
4153 { "smb", HAS_ARG, QEMU_OPTION_smb },
4155 { "redir", HAS_ARG, QEMU_OPTION_redir },
4157 { "bt", HAS_ARG, QEMU_OPTION_bt },
4159 { "kernel", HAS_ARG, QEMU_OPTION_kernel },
4160 { "append", HAS_ARG, QEMU_OPTION_append },
4161 { "initrd", HAS_ARG, QEMU_OPTION_initrd },
4163 { "S", 0, QEMU_OPTION_S },
4164 { "s", 0, QEMU_OPTION_s },
4165 { "p", HAS_ARG, QEMU_OPTION_p },
4166 { "d", HAS_ARG, QEMU_OPTION_d },
4167 { "hdachs", HAS_ARG, QEMU_OPTION_hdachs },
4168 { "L", HAS_ARG, QEMU_OPTION_L },
4169 { "bios", HAS_ARG, QEMU_OPTION_bios },
4171 { "no-kqemu", 0, QEMU_OPTION_no_kqemu },
4172 { "kernel-kqemu", 0, QEMU_OPTION_kernel_kqemu },
4175 { "enable-kvm", 0, QEMU_OPTION_enable_kvm },
4177 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
4178 { "g", 1, QEMU_OPTION_g },
4180 { "localtime", 0, QEMU_OPTION_localtime },
4181 { "vga", HAS_ARG, QEMU_OPTION_vga },
4182 { "echr", HAS_ARG, QEMU_OPTION_echr },
4183 { "monitor", HAS_ARG, QEMU_OPTION_monitor },
4184 { "serial", HAS_ARG, QEMU_OPTION_serial },
4185 { "virtioconsole", HAS_ARG, QEMU_OPTION_virtiocon },
4186 { "parallel", HAS_ARG, QEMU_OPTION_parallel },
4187 { "loadvm", HAS_ARG, QEMU_OPTION_loadvm },
4188 { "full-screen", 0, QEMU_OPTION_full_screen },
4190 { "no-frame", 0, QEMU_OPTION_no_frame },
4191 { "alt-grab", 0, QEMU_OPTION_alt_grab },
4192 { "no-quit", 0, QEMU_OPTION_no_quit },
4193 { "sdl", 0, QEMU_OPTION_sdl },
4195 { "pidfile", HAS_ARG, QEMU_OPTION_pidfile },
4196 { "win2k-hack", 0, QEMU_OPTION_win2k_hack },
4197 { "rtc-td-hack", 0, QEMU_OPTION_rtc_td_hack },
4198 { "usbdevice", HAS_ARG, QEMU_OPTION_usbdevice },
4199 { "smp", HAS_ARG, QEMU_OPTION_smp },
4200 { "vnc", HAS_ARG, QEMU_OPTION_vnc },
4201 #ifdef CONFIG_CURSES
4202 { "curses", 0, QEMU_OPTION_curses },
4204 { "uuid", HAS_ARG, QEMU_OPTION_uuid },
4206 /* temporary options */
4207 { "usb", 0, QEMU_OPTION_usb },
4208 { "no-acpi", 0, QEMU_OPTION_no_acpi },
4209 { "no-hpet", 0, QEMU_OPTION_no_hpet },
4210 { "no-reboot", 0, QEMU_OPTION_no_reboot },
4211 { "no-shutdown", 0, QEMU_OPTION_no_shutdown },
4212 { "show-cursor", 0, QEMU_OPTION_show_cursor },
4213 { "daemonize", 0, QEMU_OPTION_daemonize },
4214 { "option-rom", HAS_ARG, QEMU_OPTION_option_rom },
4215 #if defined(TARGET_ARM) || defined(TARGET_M68K)
4216 { "semihosting", 0, QEMU_OPTION_semihosting },
4218 { "name", HAS_ARG, QEMU_OPTION_name },
4219 #if defined(TARGET_SPARC) || defined(TARGET_PPC)
4220 { "prom-env", HAS_ARG, QEMU_OPTION_prom_env },
4222 #if defined(TARGET_ARM)
4223 { "old-param", 0, QEMU_OPTION_old_param },
4225 { "clock", HAS_ARG, QEMU_OPTION_clock },
4226 { "startdate", HAS_ARG, QEMU_OPTION_startdate },
4227 { "tb-size", HAS_ARG, QEMU_OPTION_tb_size },
4228 { "icount", HAS_ARG, QEMU_OPTION_icount },
4229 { "incoming", HAS_ARG, QEMU_OPTION_incoming },
4233 /* password input */
4235 int qemu_key_check(BlockDriverState *bs, const char *name)
4240 if (!bdrv_is_encrypted(bs))
4243 term_printf("%s is encrypted.\n", name);
4244 for(i = 0; i < 3; i++) {
4245 monitor_readline("Password: ", 1, password, sizeof(password));
4246 if (bdrv_set_key(bs, password) == 0)
4248 term_printf("invalid password\n");
4253 static BlockDriverState *get_bdrv(int index)
4255 if (index > nb_drives)
4257 return drives_table[index].bdrv;
4260 static void read_passwords(void)
4262 BlockDriverState *bs;
4265 for(i = 0; i < 6; i++) {
4268 qemu_key_check(bs, bdrv_get_device_name(bs));
4273 struct soundhw soundhw[] = {
4274 #ifdef HAS_AUDIO_CHOICE
4275 #if defined(TARGET_I386) || defined(TARGET_MIPS)
4281 { .init_isa = pcspk_audio_init }
4288 "Creative Sound Blaster 16",
4291 { .init_isa = SB16_init }
4295 #ifdef CONFIG_CS4231A
4301 { .init_isa = cs4231a_init }
4309 "Yamaha YMF262 (OPL3)",
4311 "Yamaha YM3812 (OPL2)",
4315 { .init_isa = Adlib_init }
4322 "Gravis Ultrasound GF1",
4325 { .init_isa = GUS_init }
4332 "Intel 82801AA AC97 Audio",
4335 { .init_pci = ac97_init }
4339 #ifdef CONFIG_ES1370
4342 "ENSONIQ AudioPCI ES1370",
4345 { .init_pci = es1370_init }
4349 #endif /* HAS_AUDIO_CHOICE */
4351 { NULL, NULL, 0, 0, { NULL } }
4354 static void select_soundhw (const char *optarg)
4358 if (*optarg == '?') {
4361 printf ("Valid sound card names (comma separated):\n");
4362 for (c = soundhw; c->name; ++c) {
4363 printf ("%-11s %s\n", c->name, c->descr);
4365 printf ("\n-soundhw all will enable all of the above\n");
4366 exit (*optarg != '?');
4374 if (!strcmp (optarg, "all")) {
4375 for (c = soundhw; c->name; ++c) {
4383 e = strchr (p, ',');
4384 l = !e ? strlen (p) : (size_t) (e - p);
4386 for (c = soundhw; c->name; ++c) {
4387 if (!strncmp (c->name, p, l)) {
4396 "Unknown sound card name (too big to show)\n");
4399 fprintf (stderr, "Unknown sound card name `%.*s'\n",
4404 p += l + (e != NULL);
4408 goto show_valid_cards;
4413 static void select_vgahw (const char *p)
4417 if (strstart(p, "std", &opts)) {
4418 std_vga_enabled = 1;
4419 cirrus_vga_enabled = 0;
4421 } else if (strstart(p, "cirrus", &opts)) {
4422 cirrus_vga_enabled = 1;
4423 std_vga_enabled = 0;
4425 } else if (strstart(p, "vmware", &opts)) {
4426 cirrus_vga_enabled = 0;
4427 std_vga_enabled = 0;
4429 } else if (strstart(p, "none", &opts)) {
4430 cirrus_vga_enabled = 0;
4431 std_vga_enabled = 0;
4435 fprintf(stderr, "Unknown vga type: %s\n", p);
4439 const char *nextopt;
4441 if (strstart(opts, ",retrace=", &nextopt)) {
4443 if (strstart(opts, "dumb", &nextopt))
4444 vga_retrace_method = VGA_RETRACE_DUMB;
4445 else if (strstart(opts, "precise", &nextopt))
4446 vga_retrace_method = VGA_RETRACE_PRECISE;
4447 else goto invalid_vga;
4448 } else goto invalid_vga;
4454 static BOOL WINAPI qemu_ctrl_handler(DWORD type)
4456 exit(STATUS_CONTROL_C_EXIT);
4461 static int qemu_uuid_parse(const char *str, uint8_t *uuid)
4465 if(strlen(str) != 36)
4468 ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3],
4469 &uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9],
4470 &uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14], &uuid[15]);
4478 #define MAX_NET_CLIENTS 32
4482 static void termsig_handler(int signal)
4484 qemu_system_shutdown_request();
4487 static void termsig_setup(void)
4489 struct sigaction act;
4491 memset(&act, 0, sizeof(act));
4492 act.sa_handler = termsig_handler;
4493 sigaction(SIGINT, &act, NULL);
4494 sigaction(SIGHUP, &act, NULL);
4495 sigaction(SIGTERM, &act, NULL);
4500 int main(int argc, char **argv, char **envp)
4502 #ifdef CONFIG_GDBSTUB
4504 const char *gdbstub_port;
4506 uint32_t boot_devices_bitmap = 0;
4508 int snapshot, linux_boot, net_boot;
4509 const char *initrd_filename;
4510 const char *kernel_filename, *kernel_cmdline;
4511 const char *boot_devices = "";
4513 DisplayChangeListener *dcl;
4514 int cyls, heads, secs, translation;
4515 const char *net_clients[MAX_NET_CLIENTS];
4517 const char *bt_opts[MAX_BT_CMDLINE];
4521 const char *r, *optarg;
4522 CharDriverState *monitor_hd = NULL;
4523 const char *monitor_device;
4524 const char *serial_devices[MAX_SERIAL_PORTS];
4525 int serial_device_index;
4526 const char *parallel_devices[MAX_PARALLEL_PORTS];
4527 int parallel_device_index;
4528 const char *virtio_consoles[MAX_VIRTIO_CONSOLES];
4529 int virtio_console_index;
4530 const char *loadvm = NULL;
4531 QEMUMachine *machine;
4532 const char *cpu_model;
4533 const char *usb_devices[MAX_USB_CMDLINE];
4534 int usb_devices_index;
4537 const char *pid_file = NULL;
4539 const char *incoming = NULL;
4541 qemu_cache_utils_init(envp);
4543 LIST_INIT (&vm_change_state_head);
4546 struct sigaction act;
4547 sigfillset(&act.sa_mask);
4549 act.sa_handler = SIG_IGN;
4550 sigaction(SIGPIPE, &act, NULL);
4553 SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE);
4554 /* Note: cpu_interrupt() is currently not SMP safe, so we force
4555 QEMU to run on a single CPU */
4560 h = GetCurrentProcess();
4561 if (GetProcessAffinityMask(h, &mask, &smask)) {
4562 for(i = 0; i < 32; i++) {
4563 if (mask & (1 << i))
4568 SetProcessAffinityMask(h, mask);
4574 register_machines();
4575 machine = first_machine;
4577 initrd_filename = NULL;
4579 vga_ram_size = VGA_RAM_SIZE;
4580 #ifdef CONFIG_GDBSTUB
4582 gdbstub_port = DEFAULT_GDBSTUB_PORT;
4587 kernel_filename = NULL;
4588 kernel_cmdline = "";
4589 cyls = heads = secs = 0;
4590 translation = BIOS_ATA_TRANSLATION_AUTO;
4591 monitor_device = "vc";
4593 serial_devices[0] = "vc:80Cx24C";
4594 for(i = 1; i < MAX_SERIAL_PORTS; i++)
4595 serial_devices[i] = NULL;
4596 serial_device_index = 0;
4598 parallel_devices[0] = "vc:640x480";
4599 for(i = 1; i < MAX_PARALLEL_PORTS; i++)
4600 parallel_devices[i] = NULL;
4601 parallel_device_index = 0;
4603 virtio_consoles[0] = "vc:80Cx24C";
4604 for(i = 1; i < MAX_VIRTIO_CONSOLES; i++)
4605 virtio_consoles[i] = NULL;
4606 virtio_console_index = 0;
4608 usb_devices_index = 0;
4627 hda_index = drive_add(argv[optind++], HD_ALIAS, 0);
4629 const QEMUOption *popt;
4632 /* Treat --foo the same as -foo. */
4635 popt = qemu_options;
4638 fprintf(stderr, "%s: invalid option -- '%s'\n",
4642 if (!strcmp(popt->name, r + 1))
4646 if (popt->flags & HAS_ARG) {
4647 if (optind >= argc) {
4648 fprintf(stderr, "%s: option '%s' requires an argument\n",
4652 optarg = argv[optind++];
4657 switch(popt->index) {
4659 machine = find_machine(optarg);
4662 printf("Supported machines are:\n");
4663 for(m = first_machine; m != NULL; m = m->next) {
4664 printf("%-10s %s%s\n",
4666 m == first_machine ? " (default)" : "");
4668 exit(*optarg != '?');
4671 case QEMU_OPTION_cpu:
4672 /* hw initialization will check this */
4673 if (*optarg == '?') {
4674 /* XXX: implement xxx_cpu_list for targets that still miss it */
4675 #if defined(cpu_list)
4676 cpu_list(stdout, &fprintf);
4683 case QEMU_OPTION_initrd:
4684 initrd_filename = optarg;
4686 case QEMU_OPTION_hda:
4688 hda_index = drive_add(optarg, HD_ALIAS, 0);
4690 hda_index = drive_add(optarg, HD_ALIAS
4691 ",cyls=%d,heads=%d,secs=%d%s",
4692 0, cyls, heads, secs,
4693 translation == BIOS_ATA_TRANSLATION_LBA ?
4695 translation == BIOS_ATA_TRANSLATION_NONE ?
4696 ",trans=none" : "");
4698 case QEMU_OPTION_hdb:
4699 case QEMU_OPTION_hdc:
4700 case QEMU_OPTION_hdd:
4701 drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda);
4703 case QEMU_OPTION_drive:
4704 drive_add(NULL, "%s", optarg);
4706 case QEMU_OPTION_mtdblock:
4707 drive_add(optarg, MTD_ALIAS);
4709 case QEMU_OPTION_sd:
4710 drive_add(optarg, SD_ALIAS);
4712 case QEMU_OPTION_pflash:
4713 drive_add(optarg, PFLASH_ALIAS);
4715 case QEMU_OPTION_snapshot:
4718 case QEMU_OPTION_hdachs:
4722 cyls = strtol(p, (char **)&p, 0);
4723 if (cyls < 1 || cyls > 16383)
4728 heads = strtol(p, (char **)&p, 0);
4729 if (heads < 1 || heads > 16)
4734 secs = strtol(p, (char **)&p, 0);
4735 if (secs < 1 || secs > 63)
4739 if (!strcmp(p, "none"))
4740 translation = BIOS_ATA_TRANSLATION_NONE;
4741 else if (!strcmp(p, "lba"))
4742 translation = BIOS_ATA_TRANSLATION_LBA;
4743 else if (!strcmp(p, "auto"))
4744 translation = BIOS_ATA_TRANSLATION_AUTO;
4747 } else if (*p != '\0') {
4749 fprintf(stderr, "qemu: invalid physical CHS format\n");
4752 if (hda_index != -1)
4753 snprintf(drives_opt[hda_index].opt,
4754 sizeof(drives_opt[hda_index].opt),
4755 HD_ALIAS ",cyls=%d,heads=%d,secs=%d%s",
4756 0, cyls, heads, secs,
4757 translation == BIOS_ATA_TRANSLATION_LBA ?
4759 translation == BIOS_ATA_TRANSLATION_NONE ?
4760 ",trans=none" : "");
4763 case QEMU_OPTION_nographic:
4766 #ifdef CONFIG_CURSES
4767 case QEMU_OPTION_curses:
4771 case QEMU_OPTION_portrait:
4774 case QEMU_OPTION_kernel:
4775 kernel_filename = optarg;
4777 case QEMU_OPTION_append:
4778 kernel_cmdline = optarg;
4780 case QEMU_OPTION_cdrom:
4781 drive_add(optarg, CDROM_ALIAS);
4783 case QEMU_OPTION_boot:
4784 boot_devices = optarg;
4785 /* We just do some generic consistency checks */
4787 /* Could easily be extended to 64 devices if needed */
4790 boot_devices_bitmap = 0;
4791 for (p = boot_devices; *p != '\0'; p++) {
4792 /* Allowed boot devices are:
4793 * a b : floppy disk drives
4794 * c ... f : IDE disk drives
4795 * g ... m : machine implementation dependant drives
4796 * n ... p : network devices
4797 * It's up to each machine implementation to check
4798 * if the given boot devices match the actual hardware
4799 * implementation and firmware features.
4801 if (*p < 'a' || *p > 'q') {
4802 fprintf(stderr, "Invalid boot device '%c'\n", *p);
4805 if (boot_devices_bitmap & (1 << (*p - 'a'))) {
4807 "Boot device '%c' was given twice\n",*p);
4810 boot_devices_bitmap |= 1 << (*p - 'a');
4814 case QEMU_OPTION_fda:
4815 case QEMU_OPTION_fdb:
4816 drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda);
4819 case QEMU_OPTION_no_fd_bootchk:
4823 case QEMU_OPTION_net:
4824 if (nb_net_clients >= MAX_NET_CLIENTS) {
4825 fprintf(stderr, "qemu: too many network clients\n");
4828 net_clients[nb_net_clients] = optarg;
4832 case QEMU_OPTION_tftp:
4833 tftp_prefix = optarg;
4835 case QEMU_OPTION_bootp:
4836 bootp_filename = optarg;
4839 case QEMU_OPTION_smb:
4840 net_slirp_smb(optarg);
4843 case QEMU_OPTION_redir:
4844 net_slirp_redir(optarg);
4847 case QEMU_OPTION_bt:
4848 if (nb_bt_opts >= MAX_BT_CMDLINE) {
4849 fprintf(stderr, "qemu: too many bluetooth options\n");
4852 bt_opts[nb_bt_opts++] = optarg;
4855 case QEMU_OPTION_audio_help:
4859 case QEMU_OPTION_soundhw:
4860 select_soundhw (optarg);
4866 case QEMU_OPTION_m: {
4870 value = strtoul(optarg, &ptr, 10);
4872 case 0: case 'M': case 'm':
4879 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
4883 /* On 32-bit hosts, QEMU is limited by virtual address space */
4884 if (value > (2047 << 20)
4886 && HOST_LONG_BITS == 32
4889 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4892 if (value != (uint64_t)(ram_addr_t)value) {
4893 fprintf(stderr, "qemu: ram size too large\n");
4902 const CPULogItem *item;
4904 mask = cpu_str_to_log_mask(optarg);
4906 printf("Log items (comma separated):\n");
4907 for(item = cpu_log_items; item->mask != 0; item++) {
4908 printf("%-10s %s\n", item->name, item->help);
4915 #ifdef CONFIG_GDBSTUB
4920 gdbstub_port = optarg;
4926 case QEMU_OPTION_bios:
4933 keyboard_layout = optarg;
4935 case QEMU_OPTION_localtime:
4938 case QEMU_OPTION_vga:
4939 select_vgahw (optarg);
4946 w = strtol(p, (char **)&p, 10);
4949 fprintf(stderr, "qemu: invalid resolution or depth\n");
4955 h = strtol(p, (char **)&p, 10);
4960 depth = strtol(p, (char **)&p, 10);
4961 if (depth != 8 && depth != 15 && depth != 16 &&
4962 depth != 24 && depth != 32)
4964 } else if (*p == '\0') {
4965 depth = graphic_depth;
4972 graphic_depth = depth;
4975 case QEMU_OPTION_echr:
4978 term_escape_char = strtol(optarg, &r, 0);
4980 printf("Bad argument to echr\n");
4983 case QEMU_OPTION_monitor:
4984 monitor_device = optarg;
4986 case QEMU_OPTION_serial:
4987 if (serial_device_index >= MAX_SERIAL_PORTS) {
4988 fprintf(stderr, "qemu: too many serial ports\n");
4991 serial_devices[serial_device_index] = optarg;
4992 serial_device_index++;
4994 case QEMU_OPTION_virtiocon:
4995 if (virtio_console_index >= MAX_VIRTIO_CONSOLES) {
4996 fprintf(stderr, "qemu: too many virtio consoles\n");
4999 virtio_consoles[virtio_console_index] = optarg;
5000 virtio_console_index++;
5002 case QEMU_OPTION_parallel:
5003 if (parallel_device_index >= MAX_PARALLEL_PORTS) {
5004 fprintf(stderr, "qemu: too many parallel ports\n");
5007 parallel_devices[parallel_device_index] = optarg;
5008 parallel_device_index++;
5010 case QEMU_OPTION_loadvm:
5013 case QEMU_OPTION_full_screen:
5017 case QEMU_OPTION_no_frame:
5020 case QEMU_OPTION_alt_grab:
5023 case QEMU_OPTION_no_quit:
5026 case QEMU_OPTION_sdl:
5030 case QEMU_OPTION_pidfile:
5034 case QEMU_OPTION_win2k_hack:
5035 win2k_install_hack = 1;
5037 case QEMU_OPTION_rtc_td_hack:
5042 case QEMU_OPTION_no_kqemu:
5045 case QEMU_OPTION_kernel_kqemu:
5050 case QEMU_OPTION_enable_kvm:
5057 case QEMU_OPTION_usb:
5060 case QEMU_OPTION_usbdevice:
5062 if (usb_devices_index >= MAX_USB_CMDLINE) {
5063 fprintf(stderr, "Too many USB devices\n");
5066 usb_devices[usb_devices_index] = optarg;
5067 usb_devices_index++;
5069 case QEMU_OPTION_smp:
5070 smp_cpus = atoi(optarg);
5072 fprintf(stderr, "Invalid number of CPUs\n");
5076 case QEMU_OPTION_vnc:
5077 vnc_display = optarg;
5079 case QEMU_OPTION_no_acpi:
5082 case QEMU_OPTION_no_hpet:
5085 case QEMU_OPTION_no_reboot:
5088 case QEMU_OPTION_no_shutdown:
5091 case QEMU_OPTION_show_cursor:
5094 case QEMU_OPTION_uuid:
5095 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
5096 fprintf(stderr, "Fail to parse UUID string."
5097 " Wrong format.\n");
5101 case QEMU_OPTION_daemonize:
5104 case QEMU_OPTION_option_rom:
5105 if (nb_option_roms >= MAX_OPTION_ROMS) {
5106 fprintf(stderr, "Too many option ROMs\n");
5109 option_rom[nb_option_roms] = optarg;
5112 case QEMU_OPTION_semihosting:
5113 semihosting_enabled = 1;
5115 case QEMU_OPTION_name:
5118 #if defined(TARGET_SPARC) || defined(TARGET_PPC)
5119 case QEMU_OPTION_prom_env:
5120 if (nb_prom_envs >= MAX_PROM_ENVS) {
5121 fprintf(stderr, "Too many prom variables\n");
5124 prom_envs[nb_prom_envs] = optarg;
5129 case QEMU_OPTION_old_param:
5133 case QEMU_OPTION_clock:
5134 configure_alarms(optarg);
5136 case QEMU_OPTION_startdate:
5139 time_t rtc_start_date;
5140 if (!strcmp(optarg, "now")) {
5141 rtc_date_offset = -1;
5143 if (sscanf(optarg, "%d-%d-%dT%d:%d:%d",
5151 } else if (sscanf(optarg, "%d-%d-%d",
5154 &tm.tm_mday) == 3) {
5163 rtc_start_date = mktimegm(&tm);
5164 if (rtc_start_date == -1) {
5166 fprintf(stderr, "Invalid date format. Valid format are:\n"
5167 "'now' or '2006-06-17T16:01:21' or '2006-06-17'\n");
5170 rtc_date_offset = time(NULL) - rtc_start_date;
5174 case QEMU_OPTION_tb_size:
5175 tb_size = strtol(optarg, NULL, 0);
5179 case QEMU_OPTION_icount:
5181 if (strcmp(optarg, "auto") == 0) {
5182 icount_time_shift = -1;
5184 icount_time_shift = strtol(optarg, NULL, 0);
5187 case QEMU_OPTION_incoming:
5194 #if defined(CONFIG_KVM) && defined(USE_KQEMU)
5195 if (kvm_allowed && kqemu_allowed) {
5197 "You can not enable both KVM and kqemu at the same time\n");
5202 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
5203 if (smp_cpus > machine->max_cpus) {
5204 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
5205 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
5211 if (serial_device_index == 0)
5212 serial_devices[0] = "stdio";
5213 if (parallel_device_index == 0)
5214 parallel_devices[0] = "null";
5215 if (strncmp(monitor_device, "vc", 2) == 0)
5216 monitor_device = "stdio";
5217 if (virtio_console_index == 0)
5218 virtio_consoles[0] = "null";
5225 if (pipe(fds) == -1)
5236 len = read(fds[0], &status, 1);
5237 if (len == -1 && (errno == EINTR))
5242 else if (status == 1) {
5243 fprintf(stderr, "Could not acquire pidfile\n");
5260 signal(SIGTSTP, SIG_IGN);
5261 signal(SIGTTOU, SIG_IGN);
5262 signal(SIGTTIN, SIG_IGN);
5266 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
5269 write(fds[1], &status, 1);
5271 fprintf(stderr, "Could not acquire pid file\n");
5279 linux_boot = (kernel_filename != NULL);
5280 net_boot = (boot_devices_bitmap >> ('n' - 'a')) & 0xF;
5282 if (!linux_boot && net_boot == 0 &&
5283 !machine->nodisk_ok && nb_drives_opt == 0)
5286 if (!linux_boot && *kernel_cmdline != '\0') {
5287 fprintf(stderr, "-append only allowed with -kernel option\n");
5291 if (!linux_boot && initrd_filename != NULL) {
5292 fprintf(stderr, "-initrd only allowed with -kernel option\n");
5296 /* boot to floppy or the default cd if no hard disk defined yet */
5297 if (!boot_devices[0]) {
5298 boot_devices = "cad";
5300 setvbuf(stdout, NULL, _IOLBF, 0);
5303 if (init_timer_alarm() < 0) {
5304 fprintf(stderr, "could not initialize alarm timer\n");
5307 if (use_icount && icount_time_shift < 0) {
5309 /* 125MIPS seems a reasonable initial guess at the guest speed.
5310 It will be corrected fairly quickly anyway. */
5311 icount_time_shift = 3;
5312 init_icount_adjust();
5319 /* init network clients */
5320 if (nb_net_clients == 0) {
5321 /* if no clients, we use a default config */
5322 net_clients[nb_net_clients++] = "nic";
5324 net_clients[nb_net_clients++] = "user";
5328 for(i = 0;i < nb_net_clients; i++) {
5329 if (net_client_parse(net_clients[i]) < 0)
5335 /* XXX: this should be moved in the PC machine instantiation code */
5336 if (net_boot != 0) {
5338 for (i = 0; i < nb_nics && i < 4; i++) {
5339 const char *model = nd_table[i].model;
5341 if (net_boot & (1 << i)) {
5344 snprintf(buf, sizeof(buf), "%s/pxe-%s.bin", bios_dir, model);
5345 if (get_image_size(buf) > 0) {
5346 if (nb_option_roms >= MAX_OPTION_ROMS) {
5347 fprintf(stderr, "Too many option ROMs\n");
5350 option_rom[nb_option_roms] = strdup(buf);
5357 fprintf(stderr, "No valid PXE rom found for network device\n");
5363 /* init the bluetooth world */
5364 for (i = 0; i < nb_bt_opts; i++)
5365 if (bt_parse(bt_opts[i]))
5368 /* init the memory */
5369 phys_ram_size = machine->ram_require & ~RAMSIZE_FIXED;
5371 if (machine->ram_require & RAMSIZE_FIXED) {
5373 if (ram_size < phys_ram_size) {
5374 fprintf(stderr, "Machine `%s' requires %llu bytes of memory\n",
5375 machine->name, (unsigned long long) phys_ram_size);
5379 phys_ram_size = ram_size;
5381 ram_size = phys_ram_size;
5384 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
5386 phys_ram_size += ram_size;
5389 phys_ram_base = qemu_vmalloc(phys_ram_size);
5390 if (!phys_ram_base) {
5391 fprintf(stderr, "Could not allocate physical memory\n");
5395 /* init the dynamic translator */
5396 cpu_exec_init_all(tb_size * 1024 * 1024);
5400 /* we always create the cdrom drive, even if no disk is there */
5402 if (nb_drives_opt < MAX_DRIVES)
5403 drive_add(NULL, CDROM_ALIAS);
5405 /* we always create at least one floppy */
5407 if (nb_drives_opt < MAX_DRIVES)
5408 drive_add(NULL, FD_ALIAS, 0);
5410 /* we always create one sd slot, even if no card is in it */
5412 if (nb_drives_opt < MAX_DRIVES)
5413 drive_add(NULL, SD_ALIAS);
5415 /* open the virtual block devices */
5417 for(i = 0; i < nb_drives_opt; i++)
5418 if (drive_init(&drives_opt[i], snapshot, machine) == -1)
5421 register_savevm("timer", 0, 2, timer_save, timer_load, NULL);
5422 register_savevm_live("ram", 0, 3, ram_save_live, NULL, ram_load, NULL);
5425 /* must be after terminal init, SDL library changes signal handlers */
5429 /* Maintain compatibility with multiple stdio monitors */
5430 if (!strcmp(monitor_device,"stdio")) {
5431 for (i = 0; i < MAX_SERIAL_PORTS; i++) {
5432 const char *devname = serial_devices[i];
5433 if (devname && !strcmp(devname,"mon:stdio")) {
5434 monitor_device = NULL;
5436 } else if (devname && !strcmp(devname,"stdio")) {
5437 monitor_device = NULL;
5438 serial_devices[i] = "mon:stdio";
5444 if (kvm_enabled()) {
5447 ret = kvm_init(smp_cpus);
5449 fprintf(stderr, "failed to initialize KVM\n");
5454 if (monitor_device) {
5455 monitor_hd = qemu_chr_open("monitor", monitor_device, NULL);
5457 fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device);
5462 for(i = 0; i < MAX_SERIAL_PORTS; i++) {
5463 const char *devname = serial_devices[i];
5464 if (devname && strcmp(devname, "none")) {
5466 snprintf(label, sizeof(label), "serial%d", i);
5467 serial_hds[i] = qemu_chr_open(label, devname, NULL);
5468 if (!serial_hds[i]) {
5469 fprintf(stderr, "qemu: could not open serial device '%s'\n",
5476 for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
5477 const char *devname = parallel_devices[i];
5478 if (devname && strcmp(devname, "none")) {
5480 snprintf(label, sizeof(label), "parallel%d", i);
5481 parallel_hds[i] = qemu_chr_open(label, devname, NULL);
5482 if (!parallel_hds[i]) {
5483 fprintf(stderr, "qemu: could not open parallel device '%s'\n",
5490 for(i = 0; i < MAX_VIRTIO_CONSOLES; i++) {
5491 const char *devname = virtio_consoles[i];
5492 if (devname && strcmp(devname, "none")) {
5494 snprintf(label, sizeof(label), "virtcon%d", i);
5495 virtcon_hds[i] = qemu_chr_open(label, devname, NULL);
5496 if (!virtcon_hds[i]) {
5497 fprintf(stderr, "qemu: could not open virtio console '%s'\n",
5504 machine->init(ram_size, vga_ram_size, boot_devices,
5505 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
5507 /* Set KVM's vcpu state to qemu's initial CPUState. */
5508 if (kvm_enabled()) {
5511 ret = kvm_sync_vcpus();
5513 fprintf(stderr, "failed to initialize vcpus\n");
5518 /* init USB devices */
5520 for(i = 0; i < usb_devices_index; i++) {
5521 if (usb_device_add(usb_devices[i]) < 0) {
5522 fprintf(stderr, "Warning: could not add USB device %s\n",
5529 dumb_display_init();
5530 /* just use the first displaystate for the moment */
5535 fprintf(stderr, "fatal: -nographic can't be used with -curses\n");
5539 #if defined(CONFIG_CURSES)
5541 /* At the moment curses cannot be used with other displays */
5542 curses_display_init(ds, full_screen);
5546 if (vnc_display != NULL) {
5547 vnc_display_init(ds);
5548 if (vnc_display_open(ds, vnc_display) < 0)
5551 if (sdl || !vnc_display)
5552 #if defined(CONFIG_SDL)
5553 sdl_display_init(ds, full_screen, no_frame);
5554 #elif defined(CONFIG_COCOA)
5555 cocoa_display_init(ds, full_screen);
5561 dcl = ds->listeners;
5562 while (dcl != NULL) {
5563 if (dcl->dpy_refresh != NULL) {
5564 ds->gui_timer = qemu_new_timer(rt_clock, gui_update, ds);
5565 qemu_mod_timer(ds->gui_timer, qemu_get_clock(rt_clock));
5570 text_consoles_set_display(display_state);
5572 if (monitor_device && monitor_hd)
5573 monitor_init(monitor_hd, !nographic);
5575 for(i = 0; i < MAX_SERIAL_PORTS; i++) {
5576 const char *devname = serial_devices[i];
5577 if (devname && strcmp(devname, "none")) {
5579 snprintf(label, sizeof(label), "serial%d", i);
5580 if (strstart(devname, "vc", 0))
5581 qemu_chr_printf(serial_hds[i], "serial%d console\r\n", i);
5585 for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
5586 const char *devname = parallel_devices[i];
5587 if (devname && strcmp(devname, "none")) {
5589 snprintf(label, sizeof(label), "parallel%d", i);
5590 if (strstart(devname, "vc", 0))
5591 qemu_chr_printf(parallel_hds[i], "parallel%d console\r\n", i);
5595 for(i = 0; i < MAX_VIRTIO_CONSOLES; i++) {
5596 const char *devname = virtio_consoles[i];
5597 if (virtcon_hds[i] && devname) {
5599 snprintf(label, sizeof(label), "virtcon%d", i);
5600 if (strstart(devname, "vc", 0))
5601 qemu_chr_printf(virtcon_hds[i], "virtio console%d\r\n", i);
5605 #ifdef CONFIG_GDBSTUB
5607 /* XXX: use standard host:port notation and modify options
5609 if (gdbserver_start(gdbstub_port) < 0) {
5610 fprintf(stderr, "qemu: could not open gdbstub device on port '%s'\n",
5621 autostart = 0; /* fixme how to deal with -daemonize */
5622 qemu_start_incoming_migration(incoming);
5626 /* XXX: simplify init */
5639 len = write(fds[1], &status, 1);
5640 if (len == -1 && (errno == EINTR))
5647 TFR(fd = open("/dev/null", O_RDWR));