#ifndef _ASM_BYTEORDER_H
#define _ASM_BYTEORDER_H
-#include <linux/config.h>
#include <linux/compiler.h>
#include <asm/types.h>
static __inline__ __attribute_const__ __u16 ___arch__swab16(__u16 x)
{
__asm__(
- " .set mips32r2 \n"
" wsbh %0, %1 \n"
- " .set mips0 \n"
: "=r" (x)
: "r" (x));
static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 x)
{
__asm__(
- " .set mips32r2 \n"
" wsbh %0, %1 \n"
" rotr %0, %0, 16 \n"
- " .set mips0 \n"
: "=r" (x)
: "r" (x));
}
#define __arch__swab32(x) ___arch__swab32(x)
+#ifdef CONFIG_CPU_MIPS64_R2
+
+static __inline__ __attribute_const__ __u64 ___arch__swab64(__u64 x)
+{
+ __asm__(
+ " dsbh %0, %1 \n"
+ " dshd %0, %0 \n"
+ " drotr %0, %0, 32 \n"
+ : "=r" (x)
+ : "r" (x));
+
+ return x;
+}
+
+#define __arch__swab64(x) ___arch__swab64(x)
+
+#endif /* CONFIG_CPU_MIPS64_R2 */
+
#endif /* CONFIG_CPU_MIPSR2 */
#if !defined(__STRICT_ANSI__) || defined(__KERNEL__)