Archipelago » qemu

/* Declarations for use by hardware emulation.  */

#ifndef QEMU_HW_H

#define QEMU_HW_H

#include "qemu-common.h"

#if defined(TARGET_PHYS_ADDR_BITS) && !defined(NEED_CPU_H)

#include "targphys.h"

#include "poison.h"

#include "cpu-common.h"

#endif

#include "ioport.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 int (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);

/* Called to change the current bandwidth allocation. This function must return

 * the new actual bandwidth. It should be new_rate if everything goes ok, and

 * the old rate otherwise

 */

typedef size_t (QEMUFileSetRateLimit)(void *opaque, size_t new_rate);

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

                         QEMUFileGetBufferFunc *get_buffer,

                         QEMUFileCloseFunc *close,

                         QEMUFileRateLimit *rate_limit,

                         QEMUFileSetRateLimit *set_rate_limit);

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

QEMUFile *qemu_fdopen(int fd, const char *mode);

QEMUFile *qemu_fopen_socket(int fd);

QEMUFile *qemu_popen(FILE *popen_file, const char *mode);

QEMUFile *qemu_popen_cmd(const char *command, const char *mode);

int qemu_stdio_fd(QEMUFile *f);

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);

static inline void qemu_put_ubyte(QEMUFile *f, unsigned int v)

{

    qemu_put_byte(f, (int)v);

}

#define qemu_put_sbyte qemu_put_byte

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);

static inline unsigned int qemu_get_ubyte(QEMUFile *f)

{

    return (unsigned int)qemu_get_byte(f);

}

#define qemu_get_sbyte qemu_get_byte

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);

size_t qemu_file_set_rate_limit(QEMUFile *f, size_t new_rate);

int qemu_file_has_error(QEMUFile *f);

void qemu_file_set_error(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);

}

// Signed versions for type safety

static inline void qemu_put_sbuffer(QEMUFile *f, const int8_t *buf, int size)

{

    qemu_put_buffer(f, (const uint8_t *)buf, size);

}

static inline void qemu_put_sbe16(QEMUFile *f, int v)

{

    qemu_put_be16(f, (unsigned int)v);

}

static inline void qemu_put_sbe32(QEMUFile *f, int v)

{

    qemu_put_be32(f, (unsigned int)v);

}

static inline void qemu_put_sbe64(QEMUFile *f, int64_t v)

{

    qemu_put_be64(f, (uint64_t)v);

}

static inline size_t qemu_get_sbuffer(QEMUFile *f, int8_t *buf, int size)

{

    return qemu_get_buffer(f, (uint8_t *)buf, size);

}

static inline int qemu_get_sbe16(QEMUFile *f)

{

    return (int)qemu_get_be16(f);

}

static inline int qemu_get_sbe32(QEMUFile *f)

{

    return (int)qemu_get_be32(f);

}

static inline int64_t qemu_get_sbe64(QEMUFile *f)

{

    return (int64_t)qemu_get_be64(f);

}

static inline void qemu_put_s8s(QEMUFile *f, const int8_t *pv)

{

    qemu_put_8s(f, (const uint8_t *)pv);

}

static inline void qemu_put_sbe16s(QEMUFile *f, const int16_t *pv)

{

    qemu_put_be16s(f, (const uint16_t *)pv);

}

static inline void qemu_put_sbe32s(QEMUFile *f, const int32_t *pv)

{

    qemu_put_be32s(f, (const uint32_t *)pv);

}

static inline void qemu_put_sbe64s(QEMUFile *f, const int64_t *pv)

{

    qemu_put_be64s(f, (const uint64_t *)pv);

}

static inline void qemu_get_s8s(QEMUFile *f, int8_t *pv)

{

    qemu_get_8s(f, (uint8_t *)pv);

}

static inline void qemu_get_sbe16s(QEMUFile *f, int16_t *pv)

{

    qemu_get_be16s(f, (uint16_t *)pv);

}

static inline void qemu_get_sbe32s(QEMUFile *f, int32_t *pv)

{

    qemu_get_be32s(f, (uint32_t *)pv);

}

static inline void qemu_get_sbe64s(QEMUFile *f, int64_t *pv)

{

    qemu_get_be64s(f, (uint64_t *)pv);

}

#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

#define qemu_put_sbetl qemu_put_sbe64

#define qemu_get_sbetl qemu_get_sbe64

#define qemu_put_sbetls qemu_put_sbe64s

#define qemu_get_sbetls qemu_get_sbe64s

#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

#define qemu_put_sbetl qemu_put_sbe32

#define qemu_get_sbetl qemu_get_sbe32

#define qemu_put_sbetls qemu_put_sbe32s

#define qemu_get_sbetls qemu_get_sbe32s

#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 SaveLiveStateHandler(QEMUFile *f, int stage, 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);

int register_savevm_live(const char *idstr,

                         int instance_id,

                         int version_id,

                         SaveLiveStateHandler *save_live_state,

                         SaveStateHandler *save_state,

                         LoadStateHandler *load_state,

                         void *opaque);

void unregister_savevm(const char *idstr, void *opaque);

typedef void QEMUResetHandler(void *opaque);

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

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

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

/* return 0 if success */

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

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

int qemu_boot_set(const char *boot_devices);

typedef struct VMStateInfo VMStateInfo;

typedef struct VMStateDescription VMStateDescription;

struct VMStateInfo {

    const char *name;

    int (*get)(QEMUFile *f, void *pv, size_t size);

    void (*put)(QEMUFile *f, const void *pv, size_t size);

};

enum VMStateFlags {

    VMS_SINGLE  = 0x001,

    VMS_POINTER = 0x002,

    VMS_ARRAY   = 0x004,

    VMS_STRUCT  = 0x008,

    VMS_VARRAY  = 0x010,  /* Array with size in another field */

    VMS_BUFFER  = 0x020,  /* static sized buffer */

};

typedef struct {

    const char *name;

    size_t offset;

    size_t size;

    int num;

    size_t num_offset;

    const VMStateInfo *info;

    enum VMStateFlags flags;

    const VMStateDescription *vmsd;

    int version_id;

} VMStateField;

struct VMStateDescription {

    const char *name;

    int version_id;

    int minimum_version_id;

    int minimum_version_id_old;

    LoadStateHandler *load_state_old;

    int (*run_after_load)(void *opaque);

    VMStateField *fields;

};

extern const VMStateInfo vmstate_info_int8;

extern const VMStateInfo vmstate_info_int16;

extern const VMStateInfo vmstate_info_int32;

extern const VMStateInfo vmstate_info_int64;

extern const VMStateInfo vmstate_info_int32_equal;

extern const VMStateInfo vmstate_info_int32_le;

extern const VMStateInfo vmstate_info_uint8;

extern const VMStateInfo vmstate_info_uint16;

extern const VMStateInfo vmstate_info_uint32;

extern const VMStateInfo vmstate_info_uint64;

extern const VMStateInfo vmstate_info_timer;

extern const VMStateInfo vmstate_info_buffer;

#define type_check_array(t1,t2,n) ((t1(*)[n])0 - (t2*)0)

#define type_check_pointer(t1,t2) ((t1**)0 - (t2*)0)

#define VMSTATE_SINGLE(_field, _state, _version, _info, _type) {     \

    .name       = (stringify(_field)),                               \

    .version_id = (_version),                                        \

    .size       = sizeof(_type),                                     \

    .info       = &(_info),                                          \

    .flags      = VMS_SINGLE,                                        \

    .offset     = offsetof(_state, _field)                           \

            + type_check(_type,typeof_field(_state, _field))         \

}

#define VMSTATE_POINTER(_field, _state, _version, _info, _type) {    \

    .name       = (stringify(_field)),                               \

    .version_id = (_version),                                        \

    .info       = &(_info),                                          \

    .size       = sizeof(_type),                                     \

    .flags      = VMS_SINGLE|VMS_POINTER,                            \

    .offset     = offsetof(_state, _field)                           \

            + type_check(_type,typeof_field(_state, _field))         \

}

#define VMSTATE_ARRAY(_field, _state, _num, _version, _info, _type) {\

    .name       = (stringify(_field)),                               \

    .version_id = (_version),                                        \

    .num        = (_num),                                            \

    .info       = &(_info),                                          \

    .size       = sizeof(_type),                                     \

    .flags      = VMS_ARRAY,                                         \

    .offset     = offsetof(_state, _field)                           \

        + type_check_array(_type,typeof_field(_state, _field),_num)  \

}

#define VMSTATE_VARRAY(_field, _state, _field_num, _version, _info, _type) {\

    .name       = (stringify(_field)),                               \

    .version_id = (_version),                                        \

    .num_offset = offsetof(_state, _field_num)                       \

        + type_check(int32_t,typeof_field(_state, _field_num)),      \

    .info       = &(_info),                                          \

    .size       = sizeof(_type),                                     \

    .flags      = VMS_VARRAY|VMS_POINTER,                            \

    .offset     = offsetof(_state, _field)                           \

        + type_check_pointer(_type,typeof_field(_state, _field))     \

}

#define VMSTATE_STRUCT(_field, _state, _version, _vmsd, _type) {     \

    .name       = (stringify(_field)),                               \

    .version_id = (_version),                                        \

    .vmsd       = &(_vmsd),                                          \

    .size       = sizeof(_type),                                     \

    .flags      = VMS_STRUCT,                                        \

    .offset     = offsetof(_state, _field)                           \

            + type_check(_type,typeof_field(_state, _field))         \

}

#define VMSTATE_STRUCT_ARRAY(_field, _state, _num, _version, _vmsd, _type) { \

    .name       = (stringify(_field)),                               \

    .num        = (_num),                                            \

    .version_id = (_version),                                        \

    .vmsd       = &(_vmsd),                                          \

    .size       = sizeof(_type),                                     \

    .flags      = VMS_STRUCT|VMS_ARRAY,                              \

    .offset     = offsetof(_state, _field)                           \

        + type_check_array(_type,typeof_field(_state, _field),_num)  \

}

#define VMSTATE_STATIC_BUFFER(_field, _state, _version) {            \

    .name       = (stringify(_field)),                               \

    .version_id = (_version),                                        \

    .size       = sizeof(typeof_field(_state,_field)),               \

    .info       = &vmstate_info_buffer,                              \

    .flags      = VMS_BUFFER,                                        \

    .offset     = offsetof(_state, _field)                           \

        + type_check_array(uint8_t,typeof_field(_state, _field),sizeof(typeof_field(_state,_field))) \

}

extern const VMStateDescription vmstate_pci_device;

#define VMSTATE_PCI_DEVICE(_field, _state) {                         \

    .name       = (stringify(_field)),                               \

    .version_id = 2,                                                 \

    .size       = sizeof(PCIDevice),                                 \

    .vmsd       = &vmstate_pci_device,                               \

    .flags      = VMS_STRUCT,                                        \

    .offset     = offsetof(_state, _field)                           \

            + type_check(PCIDevice,typeof_field(_state, _field))     \

}

/* _f : field name

   _f_n : num of elements field_name

   _n : num of elements

   _s : struct state name

   _v : version

*/

#define VMSTATE_INT8_V(_f, _s, _v)                                    \

    VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int8, int8_t)

#define VMSTATE_INT16_V(_f, _s, _v)                                   \

    VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int16, int16_t)

#define VMSTATE_INT32_V(_f, _s, _v)                                   \

    VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int32, int32_t)

#define VMSTATE_INT64_V(_f, _s, _v)                                   \

    VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int64, int64_t)

#define VMSTATE_UINT8_V(_f, _s, _v)                                   \

    VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint8, uint8_t)

#define VMSTATE_UINT16_V(_f, _s, _v)                                  \

    VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint16, uint16_t)

#define VMSTATE_UINT32_V(_f, _s, _v)                                  \

    VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint32, uint32_t)

#define VMSTATE_UINT64_V(_f, _s, _v)                                  \

    VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint64, uint64_t)

#define VMSTATE_INT8(_f, _s)                                          \

    VMSTATE_INT8_V(_f, _s, 0)

#define VMSTATE_INT16(_f, _s)                                         \

    VMSTATE_INT16_V(_f, _s, 0)

#define VMSTATE_INT32(_f, _s)                                         \

    VMSTATE_INT32_V(_f, _s, 0)

#define VMSTATE_INT64(_f, _s)                                         \

    VMSTATE_INT64_V(_f, _s, 0)

#define VMSTATE_UINT8(_f, _s)                                         \

    VMSTATE_UINT8_V(_f, _s, 0)

#define VMSTATE_UINT16(_f, _s)                                        \

    VMSTATE_UINT16_V(_f, _s, 0)

#define VMSTATE_UINT32(_f, _s)                                        \

    VMSTATE_UINT32_V(_f, _s, 0)

#define VMSTATE_UINT64(_f, _s)                                        \

    VMSTATE_UINT64_V(_f, _s, 0)

#define VMSTATE_INT32_EQUAL(_f, _s)                                   \

    VMSTATE_SINGLE(_f, _s, 0, vmstate_info_int32_equal, int32_t)

#define VMSTATE_INT32_LE(_f, _s)                                   \

    VMSTATE_SINGLE(_f, _s, 0, vmstate_info_int32_le, int32_t)

#define VMSTATE_TIMER_V(_f, _s, _v)                                   \

    VMSTATE_POINTER(_f, _s, _v, vmstate_info_timer, QEMUTimer *)

#define VMSTATE_TIMER(_f, _s)                                         \

    VMSTATE_TIMER_V(_f, _s, 0)

#define VMSTATE_UINT32_ARRAY_V(_f, _s, _n, _v)                        \

    VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint32, uint32_t)

#define VMSTATE_UINT32_ARRAY(_f, _s, _n)                              \

    VMSTATE_UINT32_ARRAY_V(_f, _s, _n, 0)

#define VMSTATE_INT32_ARRAY_V(_f, _s, _n, _v)                         \

    VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int32, int32_t)

#define VMSTATE_INT32_ARRAY(_f, _s, _n)                               \

    VMSTATE_INT32_ARRAY_V(_f, _s, _n, 0)

#define VMSTATE_INT32_VARRAY_V(_f, _s, _f_n, _v)                      \

    VMSTATE_VARRAY(_f, _s, _f_n, _v, vmstate_info_int32, int32_t)

#define VMSTATE_INT32_VARRAY(_f, _s, _f_n)                            \

    VMSTATE_INT32_VARRAY_V(_f, _s, _f_n, 0)

#define VMSTATE_BUFFER_V(_f, _s, _v)                                  \

    VMSTATE_STATIC_BUFFER(_f, _s, _v)

#define VMSTATE_BUFFER(_f, _s)                                        \

    VMSTATE_STATIC_BUFFER(_f, _s, 0)

#define VMSTATE_END_OF_LIST()                                         \

    {}

extern int vmstate_load_state(QEMUFile *f, const VMStateDescription *vmsd,

                              void *opaque, int version_id);

extern void vmstate_save_state(QEMUFile *f, const VMStateDescription *vmsd,

                               const void *opaque);

extern int vmstate_register(int instance_id, const VMStateDescription *vmsd,

                            void *base);

extern void vmstate_unregister(const char *idstr, void *opaque);

#endif