include/byteorder.h

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#ifndef BYTEORDER_H_INCLUDED
#define BYTEORDER_H_INCLUDED

#include <compiler.h>
#include <types.h>

#include <arch/byteorder.h>

#ifndef swab32

# define swab32(x)                                      \
        ((((x) & 0xff) << 24) | (((x) & 0xff00) << 8)   \
         | (((x) >> 8) & 0xff00) | (((x) >> 24) & 0xff))
#endif
#ifndef swab16
# define swab16(x)      ((((x) & 0xff) << 8) | (((x) >> 8) & 0xff))
#endif

#ifdef CPU_IS_BIG_ENDIAN

#define LE16(x)         ((le16_t __force)((((x) & 0xff) << 8)           \
                                        | (((x) >> 8) & 0xff)))
#define LE32(x)         ((le32_t __force)((((x) & 0xff) << 24)          \
                                        | (((x) & 0xff00) << 8)         \
                                        | (((x) >> 8) & 0xff00)         \
                                        | (((x) >> 24) & 0xff)))
#define BE16(x)         ((be16_t __force)(x))
#define BE32(x)         ((be32_t __force)(x))

static inline uint16_t le16_to_cpu(le16_t x)
{
        return swab16((uint16_t __force)x);
}
static inline uint32_t le32_to_cpu(le32_t x)
{
        return swab32((uint32_t __force)x);
}
static inline le16_t cpu_to_le16(uint16_t x)
{
        return (le16_t __force)swab16(x);
}
static inline le32_t cpu_to_le32(uint32_t x)
{
        return (le32_t __force)swab32(x);
}

static inline uint16_t be16_to_cpu(be16_t x)
{
        return (uint16_t __force)x;
}
static inline uint32_t be32_to_cpu(be32_t x)
{
        return (uint32_t __force)x;
}
static inline be16_t cpu_to_be16(uint16_t x)
{
        return (be16_t __force)x;
}
static inline be32_t cpu_to_be32(uint32_t x)
{
        return (be32_t __force)x;
}

#else /* BIG_ENDIAN */

#define LE16(x)         ((le16_t __force)(x))
#define LE32(x)         ((le32_t __force)(x))
#define BE16(x)         ((be16_t __force)((((x) & 0xff) << 8)           \
                                        | (((x) >> 8) & 0xff)))
#define BE32(x)         ((be32_t __force)((((x) & 0xff) << 24)          \
                                        | (((x) & 0xff00) << 8)         \
                                        | (((x) >> 8) & 0xff00)         \
                                        | (((x) >> 24) & 0xff)))

static inline uint16_t le16_to_cpu(le16_t x)
{
        return (uint16_t __force)x;
}
static inline uint32_t le32_to_cpu(le32_t x)
{
        return (uint32_t __force)x;
}
static inline le16_t cpu_to_le16(uint16_t x)
{
        return (le16_t __force)x;
}
static inline le32_t cpu_to_le32(uint32_t x)
{
        return (le32_t __force)x;
}

static inline uint16_t be16_to_cpu(be16_t x)
{
        return swab16((uint16_t __force)x);
}
static inline uint32_t be32_to_cpu(be32_t x)
{
        return swab32((uint32_t __force)x);
}
static inline be16_t cpu_to_be16(uint16_t x)
{
        return (be16_t __force)swab16(x);
}
static inline be32_t cpu_to_be32(uint32_t x)
{
        return (be32_t __force)swab32(x);
}

#endif /* BIG_ENDIAN */

#endif /* BYTEORDER_H_INCLUDED */

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