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#ifndef ETHERBOOT_BITS_BYTESWAP_H
#define ETHERBOOT_BITS_BYTESWAP_H
/* We do not have byte swap functions ... We are
* RISC processor ...
*/
static inline unsigned short __swap16(volatile unsigned short v)
{
return ((v << 8) | (v >> 8));
}
static inline unsigned int __swap32(volatile unsigned long v)
{
return ((v << 24) | ((v & 0xff00) << 8) | ((v & 0xff0000) >> 8) | (v >> 24));
}
#define __bswap_constant_16(x) \
((uint16_t)((((uint16_t)(x) & 0x00ff) << 8) | \
(((uint16_t)(x) & 0xff00) >> 8)))
#define __bswap_constant_32(x) \
((uint32_t)((((uint32_t)(x) & 0x000000ffU) << 24) | \
(((uint32_t)(x) & 0x0000ff00U) << 8) | \
(((uint32_t)(x) & 0x00ff0000U) >> 8) | \
(((uint32_t)(x) & 0xff000000U) >> 24)))
#define __bswap_16(x) \
(__builtin_constant_p(x) ? \
__bswap_constant_16(x) : \
__swap16(x))
#define __bswap_32(x) \
(__builtin_constant_p(x) ? \
__bswap_constant_32(x) : \
__swap32(x))
#endif /* ETHERBOOT_BITS_BYTESWAP_H */
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