提交 206ead28 编写于 作者: H Harvey Harrison 提交者: Chris Zankel

xtensa: use the new byteorder headers

Signed-off-by: NHarvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: NChris Zankel <chris@zankel.net>
上级 a75952b7
......@@ -14,7 +14,17 @@
#include <asm/types.h>
#include <linux/compiler.h>
static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 x)
#ifdef __XTENSA_EL__
# define __LITTLE_ENDIAN
#elif defined(__XTENSA_EB__)
# define __BIG_ENDIAN
#else
# error processor byte order undefined!
#endif
#define __SWAB_64_THRU_32__
static inline __attribute_const__ __u32 __arch_swab32(__u32 x)
{
__u32 res;
/* instruction sequence from Xtensa ISA release 2/2000 */
......@@ -28,8 +38,9 @@ static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 x)
);
return res;
}
#define __arch_swab32 __arch_swab32
static __inline__ __attribute_const__ __u16 ___arch__swab16(__u16 x)
static inline __attribute_const__ __u16 __arch_swab16(__u16 x)
{
/* Given that 'short' values are signed (i.e., can be negative),
* we cannot assume that the upper 16-bits of the register are
......@@ -62,21 +73,8 @@ static __inline__ __attribute_const__ __u16 ___arch__swab16(__u16 x)
return res;
}
#define __arch_swab16 __arch_swab16
#define __arch__swab32(x) ___arch__swab32(x)
#define __arch__swab16(x) ___arch__swab16(x)
#if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
# define __BYTEORDER_HAS_U64__
# define __SWAB_64_THRU_32__
#endif
#ifdef __XTENSA_EL__
# include <linux/byteorder/little_endian.h>
#elif defined(__XTENSA_EB__)
# include <linux/byteorder/big_endian.h>
#else
# error processor byte order undefined!
#endif
#include <linux/byteorder.h>
#endif /* _XTENSA_BYTEORDER_H */
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