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/compiler.h>
12 #include <asm/types.h>
16 #ifdef CONFIG_CPU_MIPSR2
18 static __inline__ __attribute_const__ __u16 ___arch__swab16(__u16 x)
27 #define __arch__swab16(x) ___arch__swab16(x)
29 static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 x)
39 #define __arch__swab32(x) ___arch__swab32(x)
41 #ifdef CONFIG_CPU_MIPS64_R2
43 static __inline__ __attribute_const__ __u64 ___arch__swab64(__u64 x)
48 " drotr %0, %0, 32 \n"
55 #define __arch__swab64(x) ___arch__swab64(x)
57 #endif /* CONFIG_CPU_MIPS64_R2 */
59 #endif /* CONFIG_CPU_MIPSR2 */
61 #if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
62 # define __BYTEORDER_HAS_U64__
63 # define __SWAB_64_THRU_32__
68 #if defined(__MIPSEB__)
69 # include <linux/byteorder/big_endian.h>
70 #elif defined(__MIPSEL__)
71 # include <linux/byteorder/little_endian.h>
73 # error "MIPS, but neither __MIPSEB__, nor __MIPSEL__???"
76 #endif /* _ASM_BYTEORDER_H */