types.h

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/* KallistiOS ##version##
 
   arch/dreamcast/include/types.h
   (c)2000-2001 Megan Potter
 
*/
 
/** \file    arch/types.h
    \brief   Common integer types.
    \ingroup system_types
 
    This file contains typedefs for some common/useful integer types. These
    types include ones that tell you exactly how long they are, as well as some
    BSD-isms.
 
    \author Megan Potter
*/
 
#ifndef __ARCH_TYPES_H
#define __ARCH_TYPES_H
 
#include <sys/cdefs.h>
__BEGIN_DECLS
 
#include <stddef.h>
 
/** \addtogroup system_types
    @{
*/
 
/* Generic types */
typedef unsigned long long uint64;  /**< \brief 64-bit unsigned integer */
typedef unsigned long uint32;       /**< \brief 32-bit unsigned integer */
typedef unsigned short uint16;      /**< \brief 16-bit unsigned integer */
typedef unsigned char uint8;        /**< \brief 8-bit unsigned integer */
typedef long long int64;            /**< \brief 64-bit signed integer */
typedef long int32;                 /**< \brief 32-bit signed integer */
typedef short int16;                /**< \brief 16-bit signed integer */
typedef char int8;                  /**< \brief 8-bit signed integer */
 
/* Volatile types */
typedef volatile uint64 vuint64;    /**< \brief 64-bit volatile unsigned type */
typedef volatile uint32 vuint32;    /**< \brief 32-bit volatile unsigned type */
typedef volatile uint16 vuint16;    /**< \brief 16-bit volatile unsigned type */
typedef volatile uint8 vuint8;      /**< \brief 8-bit volatile unsigned type */
typedef volatile int64 vint64;      /**< \brief 64-bit volatile signed type */
typedef volatile int32 vint32;      /**< \brief 32-bit volatile signed type */
typedef volatile int16 vint16;      /**< \brief 16-bit volatile signed type */
typedef volatile int8 vint8;        /**< \brief 8-bit volatile signed type */
 
/* Pointer arithmetic types */
typedef uint32 ptr_t;               /**< \brief Pointer arithmetic type */
 
/* This type may be used for any generic handle type that is allowed
   to be negative (for errors) and has no specific bit count
   restraints. */
typedef int handle_t;               /**< \brief Generic "handle" type */
 
/* Thread and priority types */
typedef handle_t tid_t;             /**< \brief Thread ID type */
typedef handle_t prio_t;            /**< \brief Priority value type */
 
#ifndef BYTE_ORDER
/* Make sure to pull in the base endianness defines... */
#ifndef LITTLE_ENDIAN
#include <sys/_types.h>
#endif
 
/** \brief  Endianness definition -- Little Endian */
#define BYTE_ORDER  LITTLE_ENDIAN
#endif
 
/** @} */
 
__END_DECLS
 
#endif  /* __ARCH_TYPES_H */