Archipelago » qemu

/* Declarations for use by hardware emulation.  */

#ifndef QEMU_HW_H

#define QEMU_HW_H

#include "qemu-common.h"

#include "irq.h"

/* VM Load/Save */

/* This function writes a chunk of data to a file at the given position.

 * The pos argument can be ignored if the file is only being used for

 * streaming.  The handler should try to write all of the data it can.

 */

typedef void (QEMUFilePutBufferFunc)(void *opaque, const uint8_t *buf,

                                     int64_t pos, int size);

/* Read a chunk of data from a file at the given position.  The pos argument

 * can be ignored if the file is only be used for streaming.  The number of

 * bytes actually read should be returned.

 */

typedef int (QEMUFileGetBufferFunc)(void *opaque, uint8_t *buf,

                                    int64_t pos, int size);

/* Close a file and return an error code */

typedef int (QEMUFileCloseFunc)(void *opaque);

/* Called to determine if the file has exceeded it's bandwidth allocation.  The

 * bandwidth capping is a soft limit, not a hard limit.

 */

typedef int (QEMUFileRateLimit)(void *opaque);

QEMUFile *qemu_fopen_ops(void *opaque, QEMUFilePutBufferFunc *put_buffer,

                         QEMUFileGetBufferFunc *get_buffer,

                         QEMUFileCloseFunc *close,

                         QEMUFileRateLimit *rate_limit);

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

QEMUFile *qemu_fopen_fd(int fd);

void qemu_fflush(QEMUFile *f);

int 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);

int qemu_file_rate_limit(QEMUFile *f);

/* Try to send any outstanding data.  This function is useful when output is

 * halted due to rate limiting or EAGAIN errors occur as it can be used to

 * resume output. */

void qemu_file_put_notify(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);

}

#ifdef NEED_CPU_H

#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

#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);

typedef void QEMUResetHandler(void *opaque);

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

/* handler to set the boot_device for a specific type of QEMUMachine */

/* return 0 if success */

typedef int QEMUBootSetHandler(void *opaque, const char *boot_device);

void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque);

/* These should really be in isa.h, but are here to make pc.h happy.  */

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

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

#endif