2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
6 * Copyright (C) 1996, 99, 2003 by Ralf Baechle
8 #ifndef _ASM_BYTEORDER_H
9 #define _ASM_BYTEORDER_H
11 #include <linux/config.h>
12 #include <linux/compiler.h>
13 #include <asm/types.h>
17 #ifdef CONFIG_CPU_MIPSR2
19 static __inline__ __attribute_const__ __u16 ___arch__swab16(__u16 x)
28 #define __arch__swab16(x) ___arch__swab16(x)
30 static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 x)
40 #define __arch__swab32(x) ___arch__swab32(x)
42 #ifdef CONFIG_CPU_MIPS64_R2
44 static __inline__ __attribute_const__ __u64 ___arch__swab64(__u64 x)
49 " drotr %0, %0, 32 \n"
56 #define __arch__swab64(x) ___arch__swab64(x)
58 #endif /* CONFIG_CPU_MIPS64_R2 */
60 #endif /* CONFIG_CPU_MIPSR2 */
62 #if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
63 # define __BYTEORDER_HAS_U64__
64 # define __SWAB_64_THRU_32__
69 #if defined (__MIPSEB__)
70 # include <linux/byteorder/big_endian.h>
71 #elif defined (__MIPSEL__)
72 # include <linux/byteorder/little_endian.h>
74 # error "MIPS, but neither __MIPSEB__, nor __MIPSEL__???"
77 #endif /* _ASM_BYTEORDER_H */