From f721e3ac031f892af46f255a47d7f54a91317b30 Mon Sep 17 00:00:00 2001 From: The Android Open Source Project Date: Tue, 3 Mar 2009 18:28:35 -0800 Subject: auto import from //depot/cupcake/@135843 --- bswap.h | 209 ---------------------------------------------------------------- 1 file changed, 209 deletions(-) delete mode 100644 bswap.h (limited to 'bswap.h') diff --git a/bswap.h b/bswap.h deleted file mode 100644 index 523d805..0000000 --- a/bswap.h +++ /dev/null @@ -1,209 +0,0 @@ -#ifndef BSWAP_H -#define BSWAP_H - -#include "config-host.h" - -#include - -#ifdef HAVE_BYTESWAP_H -#include -#else - -#define bswap_16(x) \ -({ \ - uint16_t __x = (x); \ - ((uint16_t)( \ - (((uint16_t)(__x) & (uint16_t)0x00ffU) << 8) | \ - (((uint16_t)(__x) & (uint16_t)0xff00U) >> 8) )); \ -}) - -#define bswap_32(x) \ -({ \ - uint32_t __x = (x); \ - ((uint32_t)( \ - (((uint32_t)(__x) & (uint32_t)0x000000ffUL) << 24) | \ - (((uint32_t)(__x) & (uint32_t)0x0000ff00UL) << 8) | \ - (((uint32_t)(__x) & (uint32_t)0x00ff0000UL) >> 8) | \ - (((uint32_t)(__x) & (uint32_t)0xff000000UL) >> 24) )); \ -}) - -#define bswap_64(x) \ -({ \ - uint64_t __x = (x); \ - ((uint64_t)( \ - (uint64_t)(((uint64_t)(__x) & (uint64_t)0x00000000000000ffULL) << 56) | \ - (uint64_t)(((uint64_t)(__x) & (uint64_t)0x000000000000ff00ULL) << 40) | \ - (uint64_t)(((uint64_t)(__x) & (uint64_t)0x0000000000ff0000ULL) << 24) | \ - (uint64_t)(((uint64_t)(__x) & (uint64_t)0x00000000ff000000ULL) << 8) | \ - (uint64_t)(((uint64_t)(__x) & (uint64_t)0x000000ff00000000ULL) >> 8) | \ - (uint64_t)(((uint64_t)(__x) & (uint64_t)0x0000ff0000000000ULL) >> 24) | \ - (uint64_t)(((uint64_t)(__x) & (uint64_t)0x00ff000000000000ULL) >> 40) | \ - (uint64_t)(((uint64_t)(__x) & (uint64_t)0xff00000000000000ULL) >> 56) )); \ -}) - -#endif /* !HAVE_BYTESWAP_H */ - -static inline uint16_t bswap16(uint16_t x) -{ - return bswap_16(x); -} - -static inline uint32_t bswap32(uint32_t x) -{ - return bswap_32(x); -} - -static inline uint64_t bswap64(uint64_t x) -{ - return bswap_64(x); -} - -static inline void bswap16s(uint16_t *s) -{ - *s = bswap16(*s); -} - -static inline void bswap32s(uint32_t *s) -{ - *s = bswap32(*s); -} - -static inline void bswap64s(uint64_t *s) -{ - *s = bswap64(*s); -} - -#if defined(WORDS_BIGENDIAN) -#define be_bswap(v, size) (v) -#define le_bswap(v, size) bswap ## size(v) -#define be_bswaps(v, size) -#define le_bswaps(p, size) *p = bswap ## size(*p); -#else -#define le_bswap(v, size) (v) -#define be_bswap(v, size) bswap ## size(v) -#define le_bswaps(v, size) -#define be_bswaps(p, size) *p = bswap ## size(*p); -#endif - -#define CPU_CONVERT(endian, size, type)\ -static inline type endian ## size ## _to_cpu(type v)\ -{\ - return endian ## _bswap(v, size);\ -}\ -\ -static inline type cpu_to_ ## endian ## size(type v)\ -{\ - return endian ## _bswap(v, size);\ -}\ -\ -static inline void endian ## size ## _to_cpus(type *p)\ -{\ - endian ## _bswaps(p, size)\ -}\ -\ -static inline void cpu_to_ ## endian ## size ## s(type *p)\ -{\ - endian ## _bswaps(p, size)\ -}\ -\ -static inline type endian ## size ## _to_cpup(const type *p)\ -{\ - return endian ## size ## _to_cpu(*p);\ -}\ -\ -static inline void cpu_to_ ## endian ## size ## w(type *p, type v)\ -{\ - *p = cpu_to_ ## endian ## size(v);\ -} - -CPU_CONVERT(be, 16, uint16_t) -CPU_CONVERT(be, 32, uint32_t) -CPU_CONVERT(be, 64, uint64_t) - -CPU_CONVERT(le, 16, uint16_t) -CPU_CONVERT(le, 32, uint32_t) -CPU_CONVERT(le, 64, uint64_t) - -/* unaligned versions (optimized for frequent unaligned accesses)*/ - -#if defined(__i386__) || defined(__powerpc__) - -#define cpu_to_le16wu(p, v) cpu_to_le16w(p, v) -#define cpu_to_le32wu(p, v) cpu_to_le32w(p, v) -#define le16_to_cpupu(p) le16_to_cpup(p) -#define le32_to_cpupu(p) le32_to_cpup(p) -#define be32_to_cpupu(p) be32_to_cpup(p) - -#define cpu_to_be16wu(p, v) cpu_to_be16w(p, v) -#define cpu_to_be32wu(p, v) cpu_to_be32w(p, v) - -#else - -static inline void cpu_to_le16wu(uint16_t *p, uint16_t v) -{ - uint8_t *p1 = (uint8_t *)p; - - p1[0] = v; - p1[1] = v >> 8; -} - -static inline void cpu_to_le32wu(uint32_t *p, uint32_t v) -{ - uint8_t *p1 = (uint8_t *)p; - - p1[0] = v; - p1[1] = v >> 8; - p1[2] = v >> 16; - p1[3] = v >> 24; -} - -static inline uint16_t le16_to_cpupu(const uint16_t *p) -{ - const uint8_t *p1 = (const uint8_t *)p; - return p1[0] | (p1[1] << 8); -} - -static inline uint32_t le32_to_cpupu(const uint32_t *p) -{ - const uint8_t *p1 = (const uint8_t *)p; - return p1[0] | (p1[1] << 8) | (p1[2] << 16) | (p1[3] << 24); -} - -static inline uint32_t be32_to_cpupu(const uint32_t *p) -{ - const uint8_t *p1 = (const uint8_t *)p; - return p1[3] | (p1[2] << 8) | (p1[1] << 16) | (p1[0] << 24); -} - -static inline void cpu_to_be16wu(uint16_t *p, uint16_t v) -{ - uint8_t *p1 = (uint8_t *)p; - - p1[0] = v >> 8; - p1[1] = v; -} - -static inline void cpu_to_be32wu(uint32_t *p, uint32_t v) -{ - uint8_t *p1 = (uint8_t *)p; - - p1[0] = v >> 24; - p1[1] = v >> 16; - p1[2] = v >> 8; - p1[3] = v; -} - -#endif - -#ifdef WORDS_BIGENDIAN -#define cpu_to_32wu cpu_to_be32wu -#else -#define cpu_to_32wu cpu_to_le32wu -#endif - -#undef le_bswap -#undef be_bswap -#undef le_bswaps -#undef be_bswaps - -#endif /* BSWAP_H */ -- cgit v1.1