diff options
Diffstat (limited to 'qemu/roms/openbios/include/libc/byteorder.h')
-rw-r--r-- | qemu/roms/openbios/include/libc/byteorder.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/qemu/roms/openbios/include/libc/byteorder.h b/qemu/roms/openbios/include/libc/byteorder.h new file mode 100644 index 000000000..4ac9562f4 --- /dev/null +++ b/qemu/roms/openbios/include/libc/byteorder.h @@ -0,0 +1,61 @@ +/* tag: byteorder prototypes + * + * Copyright (C) 2004 Stefan Reinauer + * + * see the file "COPYING" for further information about + * the copyright and warranty status of this work. + */ +#ifndef __BYTEORDER_H +#define __BYTEORDER_H + +#define __bswap32(x) \ + ((((x) & 0xff000000) >> 24) | (((x) & 0x00ff0000) >> 8) | \ + (((x) & 0x0000ff00) << 8) | (((x) & 0x000000ff) << 24)) + +#define __bswap16(x) ((((x) & 0xff00) >> 8) | (((x) & 0x00ff) << 8)) + +#define __bswap64(x) ( (__bswap32( (x) >> 32)) | \ + (__bswap32((x) & 0xffffffff) << 32) ) + +#ifdef CONFIG_LITTLE_ENDIAN +#define __cpu_to_le64(x) ((u64) (x)) +#define __le64_to_cpu(x) ((u64) (x)) +#define __cpu_to_le32(x) ((u32) (x)) +#define __le32_to_cpu(x) ((u32) (x)) +#define __cpu_to_le16(x) ((u16) (x)) +#define __le16_to_cpu(x) ((u16) (x)) +#define __cpu_to_be64(x) (__bswap64((u64) (x))) +#define __be64_to_cpu(x) (__bswap64((u64) (x))) +#define __cpu_to_be32(x) (__bswap32((u32) (x))) +#define __be32_to_cpu(x) (__bswap32((u32) (x))) +#define __cpu_to_be16(x) (__bswap16((u16) (x))) +#define __be16_to_cpu(x) (__bswap16((u16) (x))) +#endif +#ifdef CONFIG_BIG_ENDIAN +#define __cpu_to_le64(x) (__bswap64((u64) (x))) +#define __le64_to_cpu(x) (__bswap64((u64) (x))) +#define __cpu_to_le32(x) (__bswap32((u32) (x))) +#define __le32_to_cpu(x) (__bswap32((u32) (x))) +#define __cpu_to_le16(x) (__bswap16((u16) (x))) +#define __le16_to_cpu(x) (__bswap16((u16) (x))) +#define __cpu_to_be64(x) ((u64) (x)) +#define __be64_to_cpu(x) ((u64) (x)) +#define __cpu_to_be32(x) ((u32) (x)) +#define __be32_to_cpu(x) ((u32) (x)) +#define __cpu_to_be16(x) ((u16) (x)) +#define __be16_to_cpu(x) ((u16) (x)) +#endif + +#if BITS==32 +#define __becell_to_cpu(x) (__be32_to_cpu(x)) +#define __lecell_to_cpu(x) (__le32_to_cpu(x)) +#define __cpu_to_becell(x) (__cpu_to_be32(x)) +#define __cpu_to_lecell(x) (__cpu_to_le32(x)) +#else +#define __becell_to_cpu(x) (__be64_to_cpu(x)) +#define __lecell_to_cpu(x) (__le64_to_cpu(x)) +#define __cpu_to_becell(x) (__cpu_to_be64(x)) +#define __cpu_to_lecell(x) (__cpu_to_le64(x)) +#endif + +#endif |