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/* $OpenBSD: endian.h,v 1.5 2014/03/25 03:53:35 dlg Exp $ */
#ifndef _MACHINE_ENDIAN_H_
#define _MACHINE_ENDIAN_H_
#define _BYTE_ORDER _BIG_ENDIAN
#ifdef _KERNEL
#define ASI_P_L 0x88
static inline __uint16_t
__mswap16(volatile __uint16_t *m)
{
__uint16_t v;
__asm("lduha [%1] %2, %0 ! %3"
: "=r" (v)
: "r" (m), "n" (ASI_P_L), "m" (*m));
return (v);
}
static inline __uint32_t
__mswap32(volatile __uint32_t *m)
{
__uint32_t v;
__asm("lduwa [%1] %2, %0 ! %3"
: "=r" (v)
: "r" (m), "n" (ASI_P_L), "m" (*m));
return (v);
}
static inline __uint64_t
__mswap64(volatile __uint64_t *m)
{
__uint64_t v;
__asm("ldxa [%1] %2, %0 ! %3"
: "=r" (v)
: "r" (m), "n" (ASI_P_L), "m" (*m));
return (v);
}
static inline void
__swapm16(volatile __uint16_t *m, __uint16_t v)
{
__asm("stha %1, [%2] %3 ! %0"
: "=m" (*m)
: "r" (v), "r" (m), "n" (ASI_P_L));
}
static inline void
__swapm32(volatile __uint32_t *m, __uint32_t v)
{
__asm("stwa %1, [%2] %3 ! %0"
: "=m" (*m)
: "r" (v), "r" (m), "n" (ASI_P_L));
}
static inline void
__swapm64(volatile __uint64_t *m, __uint64_t v)
{
__asm("stxa %1, [%2] %3 ! %0"
: "=m" (*m)
: "r" (v), "r" (m), "n" (ASI_P_L));
}
#undef ASI_P_L
#define MD_SWAPIO
#endif /* _KERNEL */
#include <sys/endian.h>
#define __STRICT_ALIGNMENT
#endif /* _MACHINE_ENDIAN_H_ */
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