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| author | Sebastian Siewior <bigeasy@linutronix.de> | 2008-05-17 21:51:15 +0200 |
|---|---|---|
| committer | Greg Ungerer <gerg@uclinux.org> | 2008-07-23 15:11:28 +1000 |
| commit | e872504b311cec52f7a316a0037fb959080dbea0 (patch) | |
| tree | 473904027bb426a3959cbbf081a0e46ae1e0e3e0 | |
| parent | a6260ef84103fa8a51a67b6a58e5e16c676e08ad (diff) | |
| download | op-kernel-dev-e872504b311cec52f7a316a0037fb959080dbea0.zip op-kernel-dev-e872504b311cec52f7a316a0037fb959080dbea0.tar.gz | |
m68knommu: add byteswap assembly opcode for ISA A+
Signed-off-by: Sebastian Siewior <bigeasy@linutronix.de>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
| -rw-r--r-- | include/asm-m68knommu/byteorder.h | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/include/asm-m68knommu/byteorder.h b/include/asm-m68knommu/byteorder.h index 8fcde90..20bb442 100644 --- a/include/asm-m68knommu/byteorder.h +++ b/include/asm-m68knommu/byteorder.h @@ -1,13 +1,27 @@ #ifndef _M68KNOMMU_BYTEORDER_H #define _M68KNOMMU_BYTEORDER_H -#include <asm/types.h> +#include <linux/types.h> #if defined(__GNUC__) && !defined(__STRICT_ANSI__) || defined(__KERNEL__) # define __BYTEORDER_HAS_U64__ # define __SWAB_64_THRU_32__ #endif +#if defined (__mcfisaaplus__) || defined (__mcfisac__) +static inline __attribute_const__ __u32 ___arch__swab32(__u32 val) +{ + asm( + "byterev %0" + : "=d" (val) + : "0" (val) + ); + return val; +} + +#define __arch__swab32(x) ___arch__swab32(x) +#endif + #include <linux/byteorder/big_endian.h> #endif /* _M68KNOMMU_BYTEORDER_H */ |
