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Annotation of qemu/roms/openbios/include/libc/byteorder.h, revision 1.1.1.1

1.1       root        1: /* tag: byteorder prototypes
                      2:  *
                      3:  * Copyright (C) 2004 Stefan Reinauer
                      4:  *
                      5:  * see the file "COPYING" for further information about
                      6:  * the copyright and warranty status of this work.
                      7:  */
                      8: #ifndef __BYTEORDER_H
                      9: #define __BYTEORDER_H
                     10: 
                     11: #define __bswap32(x) \
                     12:        ((((x) & 0xff000000) >> 24) | (((x) & 0x00ff0000) >>  8) | \
                     13:        (((x) & 0x0000ff00) <<  8) | (((x) & 0x000000ff) << 24))
                     14: 
                     15: #define __bswap16(x) ((((x) & 0xff00) >>  8) | (((x) & 0x00ff) << 8))
                     16: 
                     17: #define __bswap64(x) ( (__bswap32( (x)  >> 32)) | \
                     18:                (__bswap32((x) & 0xffffffff) << 32) )
                     19: 
                     20: #ifdef CONFIG_LITTLE_ENDIAN
                     21: #define __cpu_to_le64(x) ((u64) (x))
                     22: #define __le64_to_cpu(x) ((u64) (x))
                     23: #define __cpu_to_le32(x) ((u32) (x))
                     24: #define __le32_to_cpu(x) ((u32) (x))
                     25: #define __cpu_to_le16(x) ((u16) (x))
                     26: #define __le16_to_cpu(x) ((u16) (x))
                     27: #define __cpu_to_be64(x) (__bswap64((u64) (x)))
                     28: #define __be64_to_cpu(x) (__bswap64((u64) (x)))
                     29: #define __cpu_to_be32(x) (__bswap32((u32) (x)))
                     30: #define __be32_to_cpu(x) (__bswap32((u32) (x)))
                     31: #define __cpu_to_be16(x) (__bswap16((u16) (x)))
                     32: #define __be16_to_cpu(x) (__bswap16((u16) (x)))
                     33: #endif
                     34: #ifdef CONFIG_BIG_ENDIAN
                     35: #define __cpu_to_le64(x) (__bswap64((u64) (x)))
                     36: #define __le64_to_cpu(x) (__bswap64((u64) (x)))
                     37: #define __cpu_to_le32(x) (__bswap32((u32) (x)))
                     38: #define __le32_to_cpu(x) (__bswap32((u32) (x)))
                     39: #define __cpu_to_le16(x) (__bswap16((u16) (x)))
                     40: #define __le16_to_cpu(x) (__bswap16((u16) (x)))
                     41: #define __cpu_to_be64(x) ((u64) (x))
                     42: #define __be64_to_cpu(x) ((u64) (x))
                     43: #define __cpu_to_be32(x) ((u32) (x))
                     44: #define __be32_to_cpu(x) ((u32) (x))
                     45: #define __cpu_to_be16(x) ((u16) (x))
                     46: #define __be16_to_cpu(x) ((u16) (x))
                     47: #endif
                     48: 
                     49: #if BITS==32
                     50: #define __becell_to_cpu(x) (__be32_to_cpu(x))
                     51: #define __lecell_to_cpu(x) (__le32_to_cpu(x))
                     52: #define __cpu_to_becell(x) (__cpu_to_be32(x))
                     53: #define __cpu_to_lecell(x) (__cpu_to_le32(x))
                     54: #else
                     55: #define __becell_to_cpu(x) (__be64_to_cpu(x))
                     56: #define __lecell_to_cpu(x) (__le64_to_cpu(x))
                     57: #define __cpu_to_becell(x) (__cpu_to_be64(x))
                     58: #define __cpu_to_lecell(x) (__cpu_to_le64(x))
                     59: #endif
                     60: 
                     61: #endif

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