diff options
Diffstat (limited to 'sys/arm64/include/endian.h')
-rw-r--r-- | sys/arm64/include/endian.h | 85 |
1 files changed, 1 insertions, 84 deletions
diff --git a/sys/arm64/include/endian.h b/sys/arm64/include/endian.h index 8cb5c6976b37..0f06010b7e4b 100644 --- a/sys/arm64/include/endian.h +++ b/sys/arm64/include/endian.h @@ -34,89 +34,6 @@ #define _MACHINE_ENDIAN_H_ #include <sys/_types.h> +#include <sys/_endian.h> -/* - * Definitions for byte order, according to byte significance from low - * address to high. - */ -#define _LITTLE_ENDIAN 1234 /* LSB first: i386, vax */ -#define _BIG_ENDIAN 4321 /* MSB first: 68000, ibm, net */ -#define _PDP_ENDIAN 3412 /* LSB first in word, MSW first in long */ - -#define _BYTE_ORDER _LITTLE_ENDIAN - -#if __BSD_VISIBLE -#define LITTLE_ENDIAN _LITTLE_ENDIAN -#define BIG_ENDIAN _BIG_ENDIAN -#define PDP_ENDIAN _PDP_ENDIAN -#define BYTE_ORDER _BYTE_ORDER -#endif - -#define _QUAD_HIGHWORD 1 -#define _QUAD_LOWWORD 0 -#define __ntohl(x) (__bswap32(x)) -#define __ntohs(x) (__bswap16(x)) -#define __htonl(x) (__bswap32(x)) -#define __htons(x) (__bswap16(x)) - -static __inline __uint64_t -__bswap64(__uint64_t x) -{ - __uint64_t ret; - - __asm __volatile("rev %0, %1\n" - : "=&r" (ret), "+r" (x)); - - return (ret); -} - -static __inline __uint32_t -__bswap32_var(__uint32_t v) -{ - __uint32_t ret; - - __asm __volatile("rev32 %x0, %x1\n" - : "=&r" (ret), "+r" (v)); - - return (ret); -} - -static __inline __uint16_t -__bswap16_var(__uint16_t v) -{ - __uint32_t ret; - - __asm __volatile("rev16 %w0, %w1\n" - : "=&r" (ret), "+r" (v)); - - return ((__uint16_t)ret); -} - -#ifdef __OPTIMIZE__ - -#define __bswap32_constant(x) \ - ((((x) & 0xff000000U) >> 24) | \ - (((x) & 0x00ff0000U) >> 8) | \ - (((x) & 0x0000ff00U) << 8) | \ - (((x) & 0x000000ffU) << 24)) - -#define __bswap16_constant(x) \ - ((((x) & 0xff00) >> 8) | \ - (((x) & 0x00ff) << 8)) - -#define __bswap16(x) \ - ((__uint16_t)(__builtin_constant_p(x) ? \ - __bswap16_constant((__uint16_t)(x)) : \ - __bswap16_var(x))) - -#define __bswap32(x) \ - ((__uint32_t)(__builtin_constant_p(x) ? \ - __bswap32_constant((__uint32_t)(x)) : \ - __bswap32_var(x))) - -#else -#define __bswap16(x) __bswap16_var(x) -#define __bswap32(x) __bswap32_var(x) - -#endif /* __OPTIMIZE__ */ #endif /* !_MACHINE_ENDIAN_H_ */ |