Archipelago » qemu

/*

 * QEMU System Emulator header

 *

 * Copyright (c) 2003 Fabrice Bellard

 *

 * Permission is hereby granted, free of charge, to any person obtaining a copy

 * of this software and associated documentation files (the "Software"), to deal

 * in the Software without restriction, including without limitation the rights

 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

 * copies of the Software, and to permit persons to whom the Software is

 * furnished to do so, subject to the following conditions:

 *

 * The above copyright notice and this permission notice shall be included in

 * all copies or substantial portions of the Software.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL

 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN

 * THE SOFTWARE.

 */

#ifndef VL_H

#define VL_H

/* we put basic includes here to avoid repeating them in device drivers */

#include <stdlib.h>

#include <stdio.h>

#include <stdarg.h>

#include <string.h>

#include <inttypes.h>

#include <limits.h>

#include <time.h>

#include <ctype.h>

#include <errno.h>

#include <unistd.h>

#include <fcntl.h>

#include <sys/stat.h>

#ifndef O_LARGEFILE

#define O_LARGEFILE 0

#endif

#ifndef O_BINARY

#define O_BINARY 0

#endif

#ifndef ENOMEDIUM

#define ENOMEDIUM ENODEV

#endif

#ifdef _WIN32

#include <windows.h>

#define fsync _commit

#define lseek _lseeki64

#define ENOTSUP 4096

extern int qemu_ftruncate64(int, int64_t);

#define ftruncate qemu_ftruncate64

static inline char *realpath(const char *path, char *resolved_path)

{

    _fullpath(resolved_path, path, _MAX_PATH);

    return resolved_path;

}

#define PRId64 "I64d"

#define PRIx64 "I64x"

#define PRIu64 "I64u"

#define PRIo64 "I64o"

#endif

#ifdef QEMU_TOOL

/* we use QEMU_TOOL on code which does not depend on the target CPU

   type */

#include "config-host.h"

#include <setjmp.h>

#include "osdep.h"

#include "bswap.h"

#else

#include "cpu.h"

#endif /* !defined(QEMU_TOOL) */

#ifndef glue

#define xglue(x, y) x ## y

#define glue(x, y) xglue(x, y)

#define stringify(s)        tostring(s)

#define tostring(s)        #s

#endif

#ifndef likely

#if __GNUC__ < 3

#define __builtin_expect(x, n) (x)

#endif

#define likely(x)   __builtin_expect(!!(x), 1)

#define unlikely(x)   __builtin_expect(!!(x), 0)

#endif

#ifndef MIN

#define MIN(a, b) (((a) < (b)) ? (a) : (b))

#endif

#ifndef MAX

#define MAX(a, b) (((a) > (b)) ? (a) : (b))

#endif

#ifndef always_inline

#if (__GNUC__ < 3) || defined(__APPLE__)

#define always_inline inline

#else

#define always_inline __attribute__ (( always_inline )) inline

#endif

#endif

#include "audio/audio.h"

/* cutils.c */

void pstrcpy(char *buf, int buf_size, const char *str);

char *pstrcat(char *buf, int buf_size, const char *s);

int strstart(const char *str, const char *val, const char **ptr);

int stristart(const char *str, const char *val, const char **ptr);

/* vl.c */

uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c);

void hw_error(const char *fmt, ...);

extern const char *bios_dir;

extern const char *bios_name;

extern int vm_running;

extern const char *qemu_name;

typedef struct vm_change_state_entry VMChangeStateEntry;

typedef void VMChangeStateHandler(void *opaque, int running);

typedef void VMStopHandler(void *opaque, int reason);

VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,

                                                     void *opaque);

void qemu_del_vm_change_state_handler(VMChangeStateEntry *e);

int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque);

void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque);

void vm_start(void);

void vm_stop(int reason);

typedef void QEMUResetHandler(void *opaque);

void qemu_register_reset(QEMUResetHandler *func, void *opaque);

void qemu_system_reset_request(void);

void qemu_system_shutdown_request(void);

void qemu_system_powerdown_request(void);

#if !defined(TARGET_SPARC)

// Please implement a power failure function to signal the OS

#define qemu_system_powerdown() do{}while(0)

#else

void qemu_system_powerdown(void);

#endif

void main_loop_wait(int timeout);

extern int ram_size;

extern int bios_size;

extern int rtc_utc;

extern int rtc_start_date;

extern int cirrus_vga_enabled;

extern int vmsvga_enabled;

extern int graphic_width;

extern int graphic_height;

extern int graphic_depth;

extern const char *keyboard_layout;

extern int kqemu_allowed;

extern int win2k_install_hack;

extern int alt_grab;

extern int usb_enabled;

extern int smp_cpus;

extern int cursor_hide;

extern int graphic_rotate;

extern int no_quit;

extern int semihosting_enabled;

extern int autostart;

extern int old_param;

extern const char *bootp_filename;

#define MAX_OPTION_ROMS 16

extern const char *option_rom[MAX_OPTION_ROMS];

extern int nb_option_roms;

#ifdef TARGET_SPARC

#define MAX_PROM_ENVS 128

extern const char *prom_envs[MAX_PROM_ENVS];

extern unsigned int nb_prom_envs;

#endif

/* XXX: make it dynamic */

#define MAX_BIOS_SIZE (4 * 1024 * 1024)

#if defined (TARGET_PPC)

#define BIOS_SIZE (1024 * 1024)

#elif defined (TARGET_SPARC64)

#define BIOS_SIZE ((512 + 32) * 1024)

#elif defined(TARGET_MIPS)

#define BIOS_SIZE (4 * 1024 * 1024)

#endif

/* keyboard/mouse support */

#define MOUSE_EVENT_LBUTTON 0x01

#define MOUSE_EVENT_RBUTTON 0x02

#define MOUSE_EVENT_MBUTTON 0x04

typedef void QEMUPutKBDEvent(void *opaque, int keycode);

typedef void QEMUPutMouseEvent(void *opaque, int dx, int dy, int dz, int buttons_state);

typedef struct QEMUPutMouseEntry {

    QEMUPutMouseEvent *qemu_put_mouse_event;

    void *qemu_put_mouse_event_opaque;

    int qemu_put_mouse_event_absolute;

    char *qemu_put_mouse_event_name;

    /* used internally by qemu for handling mice */

    struct QEMUPutMouseEntry *next;

} QEMUPutMouseEntry;

void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque);

QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func,

                                                void *opaque, int absolute,

                                                const char *name);

void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry);

void kbd_put_keycode(int keycode);

void kbd_mouse_event(int dx, int dy, int dz, int buttons_state);

int kbd_mouse_is_absolute(void);

void do_info_mice(void);

void do_mouse_set(int index);

/* keysym is a unicode code except for special keys (see QEMU_KEY_xxx

   constants) */

#define QEMU_KEY_ESC1(c) ((c) | 0xe100)

#define QEMU_KEY_BACKSPACE  0x007f

#define QEMU_KEY_UP         QEMU_KEY_ESC1('A')

#define QEMU_KEY_DOWN       QEMU_KEY_ESC1('B')

#define QEMU_KEY_RIGHT      QEMU_KEY_ESC1('C')

#define QEMU_KEY_LEFT       QEMU_KEY_ESC1('D')

#define QEMU_KEY_HOME       QEMU_KEY_ESC1(1)

#define QEMU_KEY_END        QEMU_KEY_ESC1(4)

#define QEMU_KEY_PAGEUP     QEMU_KEY_ESC1(5)

#define QEMU_KEY_PAGEDOWN   QEMU_KEY_ESC1(6)

#define QEMU_KEY_DELETE     QEMU_KEY_ESC1(3)

#define QEMU_KEY_CTRL_UP         0xe400

#define QEMU_KEY_CTRL_DOWN       0xe401

#define QEMU_KEY_CTRL_LEFT       0xe402

#define QEMU_KEY_CTRL_RIGHT      0xe403

#define QEMU_KEY_CTRL_HOME       0xe404

#define QEMU_KEY_CTRL_END        0xe405

#define QEMU_KEY_CTRL_PAGEUP     0xe406

#define QEMU_KEY_CTRL_PAGEDOWN   0xe407

void kbd_put_keysym(int keysym);

/* async I/O support */

typedef void IOReadHandler(void *opaque, const uint8_t *buf, int size);

typedef int IOCanRWHandler(void *opaque);

typedef void IOHandler(void *opaque);

int qemu_set_fd_handler2(int fd,

                         IOCanRWHandler *fd_read_poll,

                         IOHandler *fd_read,

                         IOHandler *fd_write,

                         void *opaque);

int qemu_set_fd_handler(int fd,

                        IOHandler *fd_read,

                        IOHandler *fd_write,

                        void *opaque);

/* Polling handling */

/* return TRUE if no sleep should be done afterwards */

typedef int PollingFunc(void *opaque);

int qemu_add_polling_cb(PollingFunc *func, void *opaque);

void qemu_del_polling_cb(PollingFunc *func, void *opaque);

#ifdef _WIN32

/* Wait objects handling */

typedef void WaitObjectFunc(void *opaque);

int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque);

void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque);

#endif

typedef struct QEMUBH QEMUBH;

/* character device */

#define CHR_EVENT_BREAK 0 /* serial break char */

#define CHR_EVENT_FOCUS 1 /* focus to this terminal (modal input needed) */

#define CHR_EVENT_RESET 2 /* new connection established */

#define CHR_IOCTL_SERIAL_SET_PARAMS   1

typedef struct {

    int speed;

    int parity;

    int data_bits;

    int stop_bits;

} QEMUSerialSetParams;

#define CHR_IOCTL_SERIAL_SET_BREAK    2

#define CHR_IOCTL_PP_READ_DATA        3

#define CHR_IOCTL_PP_WRITE_DATA       4

#define CHR_IOCTL_PP_READ_CONTROL     5

#define CHR_IOCTL_PP_WRITE_CONTROL    6

#define CHR_IOCTL_PP_READ_STATUS      7

#define CHR_IOCTL_PP_EPP_READ_ADDR    8

#define CHR_IOCTL_PP_EPP_READ         9

#define CHR_IOCTL_PP_EPP_WRITE_ADDR  10

#define CHR_IOCTL_PP_EPP_WRITE       11

typedef void IOEventHandler(void *opaque, int event);

typedef struct CharDriverState {

    int (*chr_write)(struct CharDriverState *s, const uint8_t *buf, int len);

    void (*chr_update_read_handler)(struct CharDriverState *s);

    int (*chr_ioctl)(struct CharDriverState *s, int cmd, void *arg);

    IOEventHandler *chr_event;

    IOCanRWHandler *chr_can_read;

    IOReadHandler *chr_read;

    void *handler_opaque;

    void (*chr_send_event)(struct CharDriverState *chr, int event);

    void (*chr_close)(struct CharDriverState *chr);

    void *opaque;

    int focus;

    QEMUBH *bh;

} CharDriverState;

CharDriverState *qemu_chr_open(const char *filename);

void qemu_chr_printf(CharDriverState *s, const char *fmt, ...);

int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len);

void qemu_chr_send_event(CharDriverState *s, int event);

void qemu_chr_add_handlers(CharDriverState *s,

                           IOCanRWHandler *fd_can_read,

                           IOReadHandler *fd_read,

                           IOEventHandler *fd_event,

                           void *opaque);

int qemu_chr_ioctl(CharDriverState *s, int cmd, void *arg);

void qemu_chr_reset(CharDriverState *s);

int qemu_chr_can_read(CharDriverState *s);

void qemu_chr_read(CharDriverState *s, uint8_t *buf, int len);

/* consoles */

typedef struct DisplayState DisplayState;

typedef struct TextConsole TextConsole;

struct DisplayState {

    uint8_t *data;

    int linesize;

    int depth;

    int bgr; /* BGR color order instead of RGB. Only valid for depth == 32 */

    int width;

    int height;

    void *opaque;

    struct QEMUTimer *gui_timer;

    void (*dpy_update)(struct DisplayState *s, int x, int y, int w, int h);

    void (*dpy_resize)(struct DisplayState *s, int w, int h);

    void (*dpy_refresh)(struct DisplayState *s);

    void (*dpy_copy)(struct DisplayState *s, int src_x, int src_y,

                     int dst_x, int dst_y, int w, int h);

    void (*dpy_fill)(struct DisplayState *s, int x, int y,

                     int w, int h, uint32_t c);

    void (*mouse_set)(int x, int y, int on);

    void (*cursor_define)(int width, int height, int bpp, int hot_x, int hot_y,

                          uint8_t *image, uint8_t *mask);

};

static inline void dpy_update(DisplayState *s, int x, int y, int w, int h)

{

    s->dpy_update(s, x, y, w, h);

}

static inline void dpy_resize(DisplayState *s, int w, int h)

{

    s->dpy_resize(s, w, h);

}

typedef void (*vga_hw_update_ptr)(void *);

typedef void (*vga_hw_invalidate_ptr)(void *);

typedef void (*vga_hw_screen_dump_ptr)(void *, const char *);

TextConsole *graphic_console_init(DisplayState *ds, vga_hw_update_ptr update,

                                  vga_hw_invalidate_ptr invalidate,

                                  vga_hw_screen_dump_ptr screen_dump,

                                  void *opaque);

void vga_hw_update(void);

void vga_hw_invalidate(void);

void vga_hw_screen_dump(const char *filename);

int is_graphic_console(void);

CharDriverState *text_console_init(DisplayState *ds, const char *p);

void console_select(unsigned int index);

void console_color_init(DisplayState *ds);

/* serial ports */

#define MAX_SERIAL_PORTS 4

extern CharDriverState *serial_hds[MAX_SERIAL_PORTS];

/* parallel ports */

#define MAX_PARALLEL_PORTS 3

extern CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];

struct ParallelIOArg {

    void *buffer;

    int count;

};

/* VLANs support */

typedef struct VLANClientState VLANClientState;

struct VLANClientState {

    IOReadHandler *fd_read;

    /* Packets may still be sent if this returns zero.  It's used to

       rate-limit the slirp code.  */

    IOCanRWHandler *fd_can_read;

    void *opaque;

    struct VLANClientState *next;

    struct VLANState *vlan;

    char info_str[256];

};

typedef struct VLANState {

    int id;

    VLANClientState *first_client;

    struct VLANState *next;

    unsigned int nb_guest_devs, nb_host_devs;

} VLANState;

VLANState *qemu_find_vlan(int id);

VLANClientState *qemu_new_vlan_client(VLANState *vlan,

                                      IOReadHandler *fd_read,

                                      IOCanRWHandler *fd_can_read,

                                      void *opaque);

int qemu_can_send_packet(VLANClientState *vc);

void qemu_send_packet(VLANClientState *vc, const uint8_t *buf, int size);

void qemu_handler_true(void *opaque);

void do_info_network(void);

/* TAP win32 */

int tap_win32_init(VLANState *vlan, const char *ifname);

/* NIC info */

#define MAX_NICS 8

typedef struct NICInfo {

    uint8_t macaddr[6];

    const char *model;

    VLANState *vlan;

} NICInfo;

extern int nb_nics;

extern NICInfo nd_table[MAX_NICS];

/* SLIRP */

void do_info_slirp(void);

/* timers */

typedef struct QEMUClock QEMUClock;

typedef struct QEMUTimer QEMUTimer;

typedef void QEMUTimerCB(void *opaque);

/* The real time clock should be used only for stuff which does not

   change the virtual machine state, as it is run even if the virtual

   machine is stopped. The real time clock has a frequency of 1000

   Hz. */

extern QEMUClock *rt_clock;

/* The virtual clock is only run during the emulation. It is stopped

   when the virtual machine is stopped. Virtual timers use a high

   precision clock, usually cpu cycles (use ticks_per_sec). */

extern QEMUClock *vm_clock;

int64_t qemu_get_clock(QEMUClock *clock);

QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque);

void qemu_free_timer(QEMUTimer *ts);

void qemu_del_timer(QEMUTimer *ts);

void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time);

int qemu_timer_pending(QEMUTimer *ts);

extern int64_t ticks_per_sec;

int64_t cpu_get_ticks(void);

void cpu_enable_ticks(void);

void cpu_disable_ticks(void);

/* VM Load/Save */

typedef struct QEMUFile QEMUFile;

QEMUFile *qemu_fopen(const char *filename, const char *mode);

void qemu_fflush(QEMUFile *f);

void qemu_fclose(QEMUFile *f);

void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size);

void qemu_put_byte(QEMUFile *f, int v);

void qemu_put_be16(QEMUFile *f, unsigned int v);

void qemu_put_be32(QEMUFile *f, unsigned int v);

void qemu_put_be64(QEMUFile *f, uint64_t v);

int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size);

int qemu_get_byte(QEMUFile *f);

unsigned int qemu_get_be16(QEMUFile *f);

unsigned int qemu_get_be32(QEMUFile *f);

uint64_t qemu_get_be64(QEMUFile *f);

static inline void qemu_put_be64s(QEMUFile *f, const uint64_t *pv)

{

    qemu_put_be64(f, *pv);

}

static inline void qemu_put_be32s(QEMUFile *f, const uint32_t *pv)

{

    qemu_put_be32(f, *pv);

}

static inline void qemu_put_be16s(QEMUFile *f, const uint16_t *pv)

{

    qemu_put_be16(f, *pv);

}

static inline void qemu_put_8s(QEMUFile *f, const uint8_t *pv)

{

    qemu_put_byte(f, *pv);

}

static inline void qemu_get_be64s(QEMUFile *f, uint64_t *pv)

{

    *pv = qemu_get_be64(f);

}

static inline void qemu_get_be32s(QEMUFile *f, uint32_t *pv)

{

    *pv = qemu_get_be32(f);

}

static inline void qemu_get_be16s(QEMUFile *f, uint16_t *pv)

{

    *pv = qemu_get_be16(f);

}

static inline void qemu_get_8s(QEMUFile *f, uint8_t *pv)

{

    *pv = qemu_get_byte(f);

}

#if TARGET_LONG_BITS == 64

#define qemu_put_betl qemu_put_be64

#define qemu_get_betl qemu_get_be64

#define qemu_put_betls qemu_put_be64s

#define qemu_get_betls qemu_get_be64s

#else

#define qemu_put_betl qemu_put_be32

#define qemu_get_betl qemu_get_be32

#define qemu_put_betls qemu_put_be32s

#define qemu_get_betls qemu_get_be32s

#endif

int64_t qemu_ftell(QEMUFile *f);

int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence);

typedef void SaveStateHandler(QEMUFile *f, void *opaque);

typedef int LoadStateHandler(QEMUFile *f, void *opaque, int version_id);

int register_savevm(const char *idstr,

                    int instance_id,

                    int version_id,

                    SaveStateHandler *save_state,

                    LoadStateHandler *load_state,

                    void *opaque);

void qemu_get_timer(QEMUFile *f, QEMUTimer *ts);

void qemu_put_timer(QEMUFile *f, QEMUTimer *ts);

void cpu_save(QEMUFile *f, void *opaque);

int cpu_load(QEMUFile *f, void *opaque, int version_id);

void do_savevm(const char *name);

void do_loadvm(const char *name);

void do_delvm(const char *name);

void do_info_snapshots(void);

/* bottom halves */

typedef void QEMUBHFunc(void *opaque);

QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque);

void qemu_bh_schedule(QEMUBH *bh);

void qemu_bh_cancel(QEMUBH *bh);

void qemu_bh_delete(QEMUBH *bh);

int qemu_bh_poll(void);

/* block.c */

typedef struct BlockDriverState BlockDriverState;

typedef struct BlockDriver BlockDriver;

extern BlockDriver bdrv_raw;

extern BlockDriver bdrv_host_device;

extern BlockDriver bdrv_cow;

extern BlockDriver bdrv_qcow;

extern BlockDriver bdrv_vmdk;

extern BlockDriver bdrv_cloop;

extern BlockDriver bdrv_dmg;

extern BlockDriver bdrv_bochs;

extern BlockDriver bdrv_vpc;

extern BlockDriver bdrv_vvfat;

extern BlockDriver bdrv_qcow2;

extern BlockDriver bdrv_parallels;

typedef struct BlockDriverInfo {

    /* in bytes, 0 if irrelevant */

    int cluster_size;

    /* offset at which the VM state can be saved (0 if not possible) */

    int64_t vm_state_offset;

} BlockDriverInfo;

typedef struct QEMUSnapshotInfo {

    char id_str[128]; /* unique snapshot id */

    /* the following fields are informative. They are not needed for

       the consistency of the snapshot */

    char name[256]; /* user choosen name */

    uint32_t vm_state_size; /* VM state info size */

    uint32_t date_sec; /* UTC date of the snapshot */

    uint32_t date_nsec;

    uint64_t vm_clock_nsec; /* VM clock relative to boot */

} QEMUSnapshotInfo;

#define BDRV_O_RDONLY      0x0000

#define BDRV_O_RDWR        0x0002

#define BDRV_O_ACCESS      0x0003

#define BDRV_O_CREAT       0x0004 /* create an empty file */

#define BDRV_O_SNAPSHOT    0x0008 /* open the file read only and save writes in a snapshot */

#define BDRV_O_FILE        0x0010 /* open as a raw file (do not try to

                                     use a disk image format on top of

                                     it (default for

                                     bdrv_file_open()) */

void bdrv_init(void);

BlockDriver *bdrv_find_format(const char *format_name);

int bdrv_create(BlockDriver *drv,

                const char *filename, int64_t size_in_sectors,

                const char *backing_file, int flags);

BlockDriverState *bdrv_new(const char *device_name);

void bdrv_delete(BlockDriverState *bs);

int bdrv_file_open(BlockDriverState **pbs, const char *filename, int flags);

int bdrv_open(BlockDriverState *bs, const char *filename, int flags);

int bdrv_open2(BlockDriverState *bs, const char *filename, int flags,

               BlockDriver *drv);

void bdrv_close(BlockDriverState *bs);

int bdrv_read(BlockDriverState *bs, int64_t sector_num,

              uint8_t *buf, int nb_sectors);

int bdrv_write(BlockDriverState *bs, int64_t sector_num,

               const uint8_t *buf, int nb_sectors);

int bdrv_pread(BlockDriverState *bs, int64_t offset,

               void *buf, int count);

int bdrv_pwrite(BlockDriverState *bs, int64_t offset,

                const void *buf, int count);

int bdrv_truncate(BlockDriverState *bs, int64_t offset);

int64_t bdrv_getlength(BlockDriverState *bs);

void bdrv_get_geometry(BlockDriverState *bs, int64_t *nb_sectors_ptr);

int bdrv_commit(BlockDriverState *bs);

void bdrv_set_boot_sector(BlockDriverState *bs, const uint8_t *data, int size);

/* async block I/O */

typedef struct BlockDriverAIOCB BlockDriverAIOCB;

typedef void BlockDriverCompletionFunc(void *opaque, int ret);

BlockDriverAIOCB *bdrv_aio_read(BlockDriverState *bs, int64_t sector_num,

                                uint8_t *buf, int nb_sectors,

                                BlockDriverCompletionFunc *cb, void *opaque);

BlockDriverAIOCB *bdrv_aio_write(BlockDriverState *bs, int64_t sector_num,

                                 const uint8_t *buf, int nb_sectors,

                                 BlockDriverCompletionFunc *cb, void *opaque);

void bdrv_aio_cancel(BlockDriverAIOCB *acb);

void qemu_aio_init(void);

void qemu_aio_poll(void);

void qemu_aio_flush(void);

void qemu_aio_wait_start(void);

void qemu_aio_wait(void);

void qemu_aio_wait_end(void);

int qemu_key_check(BlockDriverState *bs, const char *name);

/* Ensure contents are flushed to disk.  */

void bdrv_flush(BlockDriverState *bs);

#define BDRV_TYPE_HD     0

#define BDRV_TYPE_CDROM  1

#define BDRV_TYPE_FLOPPY 2

#define BIOS_ATA_TRANSLATION_AUTO   0

#define BIOS_ATA_TRANSLATION_NONE   1

#define BIOS_ATA_TRANSLATION_LBA    2

#define BIOS_ATA_TRANSLATION_LARGE  3

#define BIOS_ATA_TRANSLATION_RECHS  4

void bdrv_set_geometry_hint(BlockDriverState *bs,

                            int cyls, int heads, int secs);

void bdrv_set_type_hint(BlockDriverState *bs, int type);

void bdrv_set_translation_hint(BlockDriverState *bs, int translation);

void bdrv_get_geometry_hint(BlockDriverState *bs,

                            int *pcyls, int *pheads, int *psecs);

int bdrv_get_type_hint(BlockDriverState *bs);

int bdrv_get_translation_hint(BlockDriverState *bs);

int bdrv_is_removable(BlockDriverState *bs);

int bdrv_is_read_only(BlockDriverState *bs);

int bdrv_is_inserted(BlockDriverState *bs);

int bdrv_media_changed(BlockDriverState *bs);

int bdrv_is_locked(BlockDriverState *bs);

void bdrv_set_locked(BlockDriverState *bs, int locked);

void bdrv_eject(BlockDriverState *bs, int eject_flag);

void bdrv_set_change_cb(BlockDriverState *bs,

                        void (*change_cb)(void *opaque), void *opaque);

void bdrv_get_format(BlockDriverState *bs, char *buf, int buf_size);

void bdrv_info(void);

BlockDriverState *bdrv_find(const char *name);

void bdrv_iterate(void (*it)(void *opaque, const char *name), void *opaque);

int bdrv_is_encrypted(BlockDriverState *bs);

int bdrv_set_key(BlockDriverState *bs, const char *key);

void bdrv_iterate_format(void (*it)(void *opaque, const char *name),

                         void *opaque);

const char *bdrv_get_device_name(BlockDriverState *bs);

int bdrv_write_compressed(BlockDriverState *bs, int64_t sector_num,

                          const uint8_t *buf, int nb_sectors);

int bdrv_get_info(BlockDriverState *bs, BlockDriverInfo *bdi);

void bdrv_get_backing_filename(BlockDriverState *bs,

                               char *filename, int filename_size);

int bdrv_snapshot_create(BlockDriverState *bs,

                         QEMUSnapshotInfo *sn_info);

int bdrv_snapshot_goto(BlockDriverState *bs,

                       const char *snapshot_id);

int bdrv_snapshot_delete(BlockDriverState *bs, const char *snapshot_id);

int bdrv_snapshot_list(BlockDriverState *bs,

                       QEMUSnapshotInfo **psn_info);

char *bdrv_snapshot_dump(char *buf, int buf_size, QEMUSnapshotInfo *sn);

char *get_human_readable_size(char *buf, int buf_size, int64_t size);

int path_is_absolute(const char *path);

void path_combine(char *dest, int dest_size,

                  const char *base_path,

                  const char *filename);

/* monitor.c */

void monitor_init(CharDriverState *hd, int show_banner);

void term_puts(const char *str);

void term_vprintf(const char *fmt, va_list ap);

void term_printf(const char *fmt, ...) __attribute__ ((__format__ (__printf__, 1, 2)));

void term_print_filename(const char *filename);

void term_flush(void);

void term_print_help(void);

void monitor_readline(const char *prompt, int is_password,

                      char *buf, int buf_size);

/* readline.c */

typedef void ReadLineFunc(void *opaque, const char *str);

extern int completion_index;

void add_completion(const char *str);

void readline_handle_byte(int ch);

void readline_find_completion(const char *cmdline);

const char *readline_get_history(unsigned int index);

void readline_start(const char *prompt, int is_password,

                    ReadLineFunc *readline_func, void *opaque);

void kqemu_record_dump(void);

/* sdl.c */

void sdl_display_init(DisplayState *ds, int full_screen, int no_frame);

/* cocoa.m */

void cocoa_display_init(DisplayState *ds, int full_screen);

/* vnc.c */

void vnc_display_init(DisplayState *ds);

void vnc_display_close(DisplayState *ds);

int vnc_display_open(DisplayState *ds, const char *display);

int vnc_display_password(DisplayState *ds, const char *password);

void do_info_vnc(void);

/* x_keymap.c */

extern uint8_t _translate_keycode(const int key);

#ifndef QEMU_TOOL

typedef void QEMUMachineInitFunc(int ram_size, int vga_ram_size,

                                 const char *boot_device,

             DisplayState *ds, const char **fd_filename, int snapshot,

             const char *kernel_filename, const char *kernel_cmdline,

             const char *initrd_filename, const char *cpu_model);

typedef struct QEMUMachine {

    const char *name;

    const char *desc;

    QEMUMachineInitFunc *init;

    struct QEMUMachine *next;

} QEMUMachine;

int qemu_register_machine(QEMUMachine *m);

typedef void SetIRQFunc(void *opaque, int irq_num, int level);

#include "hw/irq.h"

/* ISA bus */

extern target_phys_addr_t isa_mem_base;

typedef void (IOPortWriteFunc)(void *opaque, uint32_t address, uint32_t data);

typedef uint32_t (IOPortReadFunc)(void *opaque, uint32_t address);

int register_ioport_read(int start, int length, int size,

                         IOPortReadFunc *func, void *opaque);

int register_ioport_write(int start, int length, int size,

                          IOPortWriteFunc *func, void *opaque);

void isa_unassign_ioport(int start, int length);

void isa_mmio_init(target_phys_addr_t base, target_phys_addr_t size);

/* PCI bus */

extern target_phys_addr_t pci_mem_base;

typedef struct PCIBus PCIBus;

typedef struct PCIDevice PCIDevice;

typedef void PCIConfigWriteFunc(PCIDevice *pci_dev,

                                uint32_t address, uint32_t data, int len);

typedef uint32_t PCIConfigReadFunc(PCIDevice *pci_dev,

                                   uint32_t address, int len);

typedef void PCIMapIORegionFunc(PCIDevice *pci_dev, int region_num,

                                uint32_t addr, uint32_t size, int type);

#define PCI_ADDRESS_SPACE_MEM                0x00

#define PCI_ADDRESS_SPACE_IO                0x01

#define PCI_ADDRESS_SPACE_MEM_PREFETCH        0x08

typedef struct PCIIORegion {

    uint32_t addr; /* current PCI mapping address. -1 means not mapped */

    uint32_t size;

    uint8_t type;

    PCIMapIORegionFunc *map_func;

} PCIIORegion;

#define PCI_ROM_SLOT 6

#define PCI_NUM_REGIONS 7

#define PCI_DEVICES_MAX 64

#define PCI_VENDOR_ID                0x00        /* 16 bits */

#define PCI_DEVICE_ID                0x02        /* 16 bits */

#define PCI_COMMAND                0x04        /* 16 bits */

#define  PCI_COMMAND_IO                0x1        /* Enable response in I/O space */

#define  PCI_COMMAND_MEMORY        0x2        /* Enable response in Memory space */

#define PCI_CLASS_DEVICE        0x0a    /* Device class */

#define PCI_INTERRUPT_LINE        0x3c        /* 8 bits */

#define PCI_INTERRUPT_PIN        0x3d        /* 8 bits */

#define PCI_MIN_GNT                0x3e        /* 8 bits */

#define PCI_MAX_LAT                0x3f        /* 8 bits */

struct PCIDevice {

    /* PCI config space */

    uint8_t config[256];

    /* the following fields are read only */

    PCIBus *bus;

    int devfn;

    char name[64];

    PCIIORegion io_regions[PCI_NUM_REGIONS];

    /* do not access the following fields */

    PCIConfigReadFunc *config_read;

    PCIConfigWriteFunc *config_write;

    /* ??? This is a PC-specific hack, and should be removed.  */

    int irq_index;

    /* IRQ objects for the INTA-INTD pins.  */

    qemu_irq *irq;

    /* Current IRQ levels.  Used internally by the generic PCI code.  */

    int irq_state[4];

};

PCIDevice *pci_register_device(PCIBus *bus, const char *name,

                               int instance_size, int devfn,

                               PCIConfigReadFunc *config_read,

                               PCIConfigWriteFunc *config_write);

void pci_register_io_region(PCIDevice *pci_dev, int region_num,

                            uint32_t size, int type,

                            PCIMapIORegionFunc *map_func);

uint32_t pci_default_read_config(PCIDevice *d,

                                 uint32_t address, int len);

void pci_default_write_config(PCIDevice *d,

                              uint32_t address, uint32_t val, int len);

void pci_device_save(PCIDevice *s, QEMUFile *f);

int pci_device_load(PCIDevice *s, QEMUFile *f);

typedef void (*pci_set_irq_fn)(qemu_irq *pic, int irq_num, int level);

typedef int (*pci_map_irq_fn)(PCIDevice *pci_dev, int irq_num);

PCIBus *pci_register_bus(pci_set_irq_fn set_irq, pci_map_irq_fn map_irq,

                         qemu_irq *pic, int devfn_min, int nirq);

void pci_nic_init(PCIBus *bus, NICInfo *nd, int devfn);

void pci_data_write(void *opaque, uint32_t addr, uint32_t val, int len);

uint32_t pci_data_read(void *opaque, uint32_t addr, int len);

int pci_bus_num(PCIBus *s);

void pci_for_each_device(int bus_num, void (*fn)(PCIDevice *d));

void pci_info(void);

PCIBus *pci_bridge_init(PCIBus *bus, int devfn, uint32_t id,

                        pci_map_irq_fn map_irq, const char *name);

/* prep_pci.c */

PCIBus *pci_prep_init(qemu_irq *pic);

/* apb_pci.c */

PCIBus *pci_apb_init(target_phys_addr_t special_base, target_phys_addr_t mem_base,

                     qemu_irq *pic);

PCIBus *pci_vpb_init(qemu_irq *pic, int irq, int realview);

/* piix_pci.c */

PCIBus *i440fx_init(PCIDevice **pi440fx_state, qemu_irq *pic);

void i440fx_set_smm(PCIDevice *d, int val);

int piix3_init(PCIBus *bus, int devfn);

void i440fx_init_memory_mappings(PCIDevice *d);

int piix4_init(PCIBus *bus, int devfn);

/* openpic.c */

/* OpenPIC have 5 outputs per CPU connected and one IRQ out single output */

enum {

    OPENPIC_OUTPUT_INT = 0, /* IRQ                       */

    OPENPIC_OUTPUT_CINT,    /* critical IRQ              */

    OPENPIC_OUTPUT_MCK,     /* Machine check event       */

    OPENPIC_OUTPUT_DEBUG,   /* Inconditional debug event */

    OPENPIC_OUTPUT_RESET,   /* Core reset event          */

    OPENPIC_OUTPUT_NB,

};

qemu_irq *openpic_init (PCIBus *bus, int *pmem_index, int nb_cpus,

                        qemu_irq **irqs, qemu_irq irq_out);

/* gt64xxx.c */

PCIBus *pci_gt64120_init(qemu_irq *pic);

#ifdef HAS_AUDIO

struct soundhw {

    const char *name;

    const char *descr;

    int enabled;

    int isa;

    union {

        int (*init_isa) (AudioState *s, qemu_irq *pic);

        int (*init_pci) (PCIBus *bus, AudioState *s);

    } init;

};

extern struct soundhw soundhw[];

#endif

/* vga.c */

#ifndef TARGET_SPARC

#define VGA_RAM_SIZE (8192 * 1024)

#else

#define VGA_RAM_SIZE (9 * 1024 * 1024)

#endif

int isa_vga_init(DisplayState *ds, uint8_t *vga_ram_base,

                 unsigned long vga_ram_offset, int vga_ram_size);

int pci_vga_init(PCIBus *bus, DisplayState *ds, uint8_t *vga_ram_base,

                 unsigned long vga_ram_offset, int vga_ram_size,

                 unsigned long vga_bios_offset, int vga_bios_size);

int isa_vga_mm_init(DisplayState *ds, uint8_t *vga_ram_base,

                    unsigned long vga_ram_offset, int vga_ram_size,

                    target_phys_addr_t vram_base, target_phys_addr_t ctrl_base,

                    int it_shift);

/* cirrus_vga.c */

void pci_cirrus_vga_init(PCIBus *bus, DisplayState *ds, uint8_t *vga_ram_base,

                         unsigned long vga_ram_offset, int vga_ram_size);

void isa_cirrus_vga_init(DisplayState *ds, uint8_t *vga_ram_base,

                         unsigned long vga_ram_offset, int vga_ram_size);

/* vmware_vga.c */

void pci_vmsvga_init(PCIBus *bus, DisplayState *ds, uint8_t *vga_ram_base,

                     unsigned long vga_ram_offset, int vga_ram_size);

/* ide.c */

#define MAX_DISKS 4

extern BlockDriverState *bs_table[MAX_DISKS + 1];

extern BlockDriverState *sd_bdrv;

extern BlockDriverState *mtd_bdrv;

void isa_ide_init(int iobase, int iobase2, qemu_irq irq,

                  BlockDriverState *hd0, BlockDriverState *hd1);

void pci_cmd646_ide_init(PCIBus *bus, BlockDriverState **hd_table,

                         int secondary_ide_enabled);

void pci_piix3_ide_init(PCIBus *bus, BlockDriverState **hd_table, int devfn,

                        qemu_irq *pic);

void pci_piix4_ide_init(PCIBus *bus, BlockDriverState **hd_table, int devfn,

                        qemu_irq *pic);

/* cdrom.c */

int cdrom_read_toc(int nb_sectors, uint8_t *buf, int msf, int start_track);

int cdrom_read_toc_raw(int nb_sectors, uint8_t *buf, int msf, int session_num);

/* ds1225y.c */

typedef struct ds1225y_t ds1225y_t;

ds1225y_t *ds1225y_init(target_phys_addr_t mem_base, const char *filename);

/* es1370.c */

int es1370_init (PCIBus *bus, AudioState *s);

/* sb16.c */

int SB16_init (AudioState *s, qemu_irq *pic);

/* adlib.c */

int Adlib_init (AudioState *s, qemu_irq *pic);

/* gus.c */

int GUS_init (AudioState *s, qemu_irq *pic);

/* dma.c */

typedef int (*DMA_transfer_handler) (void *opaque, int nchan, int pos, int size);

int DMA_get_channel_mode (int nchan);

int DMA_read_memory (int nchan, void *buf, int pos, int size);

int DMA_write_memory (int nchan, void *buf, int pos, int size);

void DMA_hold_DREQ (int nchan);

void DMA_release_DREQ (int nchan);

void DMA_schedule(int nchan);

void DMA_run (void);

void DMA_init (int high_page_enable);

void DMA_register_channel (int nchan,

                           DMA_transfer_handler transfer_handler,

                           void *opaque);

/* fdc.c */

#define MAX_FD 2

extern BlockDriverState *fd_table[MAX_FD];

typedef struct fdctrl_t fdctrl_t;

fdctrl_t *fdctrl_init (qemu_irq irq, int dma_chann, int mem_mapped,

                       target_phys_addr_t io_base,

                       BlockDriverState **fds);

fdctrl_t *sun4m_fdctrl_init (qemu_irq irq, target_phys_addr_t io_base,

                             BlockDriverState **fds);

int fdctrl_get_drive_type(fdctrl_t *fdctrl, int drive_num);

/* eepro100.c */

void pci_i82551_init(PCIBus *bus, NICInfo *nd, int devfn);

void pci_i82557b_init(PCIBus *bus, NICInfo *nd, int devfn);

void pci_i82559er_init(PCIBus *bus, NICInfo *nd, int devfn);

/* ne2000.c */

void isa_ne2000_init(int base, qemu_irq irq, NICInfo *nd);

void pci_ne2000_init(PCIBus *bus, NICInfo *nd, int devfn);

/* rtl8139.c */

void pci_rtl8139_init(PCIBus *bus, NICInfo *nd, int devfn);

/* pcnet.c */

void pci_pcnet_init(PCIBus *bus, NICInfo *nd, int devfn);

void lance_init(NICInfo *nd, target_phys_addr_t leaddr, void *dma_opaque,

                qemu_irq irq, qemu_irq *reset);

/* mipsnet.c */

void mipsnet_init(int base, qemu_irq irq, NICInfo *nd);

/* vmmouse.c */

void *vmmouse_init(void *m);

/* vmport.c */

#ifdef TARGET_I386

void vmport_init(CPUState *env);

void vmport_register(unsigned char command, IOPortReadFunc *func, void *opaque);

#endif

/* pckbd.c */

void i8042_init(qemu_irq kbd_irq, qemu_irq mouse_irq, uint32_t io_base);

void i8042_mm_init(qemu_irq kbd_irq, qemu_irq mouse_irq,

                   target_phys_addr_t base, int it_shift);

/* mc146818rtc.c */

typedef struct RTCState RTCState;

RTCState *rtc_init(int base, qemu_irq irq);

RTCState *rtc_mm_init(target_phys_addr_t base, int it_shift, qemu_irq irq);

void rtc_set_memory(RTCState *s, int addr, int val);

void rtc_set_date(RTCState *s, const struct tm *tm);

/* serial.c */

typedef struct SerialState SerialState;

SerialState *serial_init(int base, qemu_irq irq, CharDriverState *chr);

SerialState *serial_mm_init (target_phys_addr_t base, int it_shift,

                             qemu_irq irq, CharDriverState *chr,

                             int ioregister);

uint32_t serial_mm_readb (void *opaque, target_phys_addr_t addr);

void serial_mm_writeb (void *opaque, target_phys_addr_t addr, uint32_t value);

uint32_t serial_mm_readw (void *opaque, target_phys_addr_t addr);

void serial_mm_writew (void *opaque, target_phys_addr_t addr, uint32_t value);

uint32_t serial_mm_readl (void *opaque, target_phys_addr_t addr);

void serial_mm_writel (void *opaque, target_phys_addr_t addr, uint32_t value);

/* parallel.c */

typedef struct ParallelState ParallelState;

ParallelState *parallel_init(int base, qemu_irq irq, CharDriverState *chr);

ParallelState *parallel_mm_init(target_phys_addr_t base, int it_shift, qemu_irq irq, CharDriverState *chr);

/* i8259.c */

typedef struct PicState2 PicState2;

extern PicState2 *isa_pic;

void pic_set_irq(int irq, int level);

void pic_set_irq_new(void *opaque, int irq, int level);

qemu_irq *i8259_init(qemu_irq parent_irq);

void pic_set_alt_irq_func(PicState2 *s, SetIRQFunc *alt_irq_func,

                          void *alt_irq_opaque);

int pic_read_irq(PicState2 *s);

void pic_update_irq(PicState2 *s);

uint32_t pic_intack_read(PicState2 *s);

void pic_info(void);

void irq_info(void);

/* APIC */

typedef struct IOAPICState IOAPICState;

int apic_init(CPUState *env);

int apic_accept_pic_intr(CPUState *env);

int apic_get_interrupt(CPUState *env);

IOAPICState *ioapic_init(void);

void ioapic_set_irq(void *opaque, int vector, int level);

/* i8254.c */

#define PIT_FREQ 1193182

typedef struct PITState PITState;

PITState *pit_init(int base, qemu_irq irq);

void pit_set_gate(PITState *pit, int channel, int val);

int pit_get_gate(PITState *pit, int channel);

int pit_get_initial_count(PITState *pit, int channel);

int pit_get_mode(PITState *pit, int channel);

int pit_get_out(PITState *pit, int channel, int64_t current_time);

/* jazz_led.c */

extern void jazz_led_init(DisplayState *ds, target_phys_addr_t base);

/* pcspk.c */

void pcspk_init(PITState *);

int pcspk_audio_init(AudioState *, qemu_irq *pic);

#include "hw/i2c.h"

#include "hw/smbus.h"

/* acpi.c */

extern int acpi_enabled;

i2c_bus *piix4_pm_init(PCIBus *bus, int devfn, uint32_t smb_io_base);

void piix4_smbus_register_device(SMBusDevice *dev, uint8_t addr);

void acpi_bios_init(void);

/* Axis ETRAX.  */

extern QEMUMachine bareetraxfs_machine;

/* pc.c */

extern QEMUMachine pc_machine;

extern QEMUMachine isapc_machine;

extern int fd_bootchk;

void ioport_set_a20(int enable);

int ioport_get_a20(void);

/* ppc.c */

extern QEMUMachine prep_machine;

extern QEMUMachine core99_machine;

extern QEMUMachine heathrow_machine;

extern QEMUMachine ref405ep_machine;

extern QEMUMachine taihu_machine;

/* mips_r4k.c */

extern QEMUMachine mips_machine;

/* mips_malta.c */

extern QEMUMachine mips_malta_machine;

/* mips_pica61.c */

extern QEMUMachine mips_pica61_machine;

/* mips_mipssim.c */

extern QEMUMachine mips_mipssim_machine;

/* mips_int.c */

extern void cpu_mips_irq_init_cpu(CPUState *env);

/* mips_timer.c */

extern void cpu_mips_clock_init(CPUState *);

extern void cpu_mips_irqctrl_init (void);

/* shix.c */

extern QEMUMachine shix_machine;

/* r2d.c */

extern QEMUMachine r2d_machine;

#ifdef TARGET_PPC

/* PowerPC hardware exceptions management helpers */

typedef void (*clk_setup_cb)(void *opaque, uint32_t freq);

typedef struct clk_setup_t clk_setup_t;

struct clk_setup_t {

    clk_setup_cb cb;

    void *opaque;

};

static inline void clk_setup (clk_setup_t *clk, uint32_t freq)

{

    if (clk->cb != NULL)

        (*clk->cb)(clk->opaque, freq);

}

clk_setup_cb cpu_ppc_tb_init (CPUState *env, uint32_t freq);

/* Embedded PowerPC DCR management */

typedef target_ulong (*dcr_read_cb)(void *opaque, int dcrn);

typedef void (*dcr_write_cb)(void *opaque, int dcrn, target_ulong val);

int ppc_dcr_init (CPUState *env, int (*dcr_read_error)(int dcrn),

                  int (*dcr_write_error)(int dcrn));