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powerpc: Use the new byteorder headers

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Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Harvey Harrison 2008-11-05 09:51:12 -08:00 committed by Paul Mackerras
parent 5b4d218944
commit 1c1b777a56
1 changed files with 21 additions and 17 deletions
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38
arch/powerpc/include/asm/byteorder.h
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@ -11,6 +11,8 @@
#include <asm/types.h> #include <asm/types.h>
#include <linux/compiler.h> #include <linux/compiler.h>
#define __BIG_ENDIAN
#ifdef __GNUC__ #ifdef __GNUC__
#ifdef __KERNEL__ #ifdef __KERNEL__
@ -21,12 +23,19 @@ static __inline__ __u16 ld_le16(const volatile __u16 *addr)
__asm__ __volatile__ ("lhbrx %0,0,%1" : "=r" (val) : "r" (addr), "m" (*addr)); __asm__ __volatile__ ("lhbrx %0,0,%1" : "=r" (val) : "r" (addr), "m" (*addr));
return val; return val;
} }
#define __arch_swab16p ld_le16
static __inline__ void st_le16(volatile __u16 *addr, const __u16 val) static __inline__ void st_le16(volatile __u16 *addr, const __u16 val)
{ {
__asm__ __volatile__ ("sthbrx %1,0,%2" : "=m" (*addr) : "r" (val), "r" (addr)); __asm__ __volatile__ ("sthbrx %1,0,%2" : "=m" (*addr) : "r" (val), "r" (addr));
} }
static inline void __arch_swab16s(__u16 *addr)
{
st_le16(addr, *addr);
}
#define __arch_swab16s __arch_swab16s
static __inline__ __u32 ld_le32(const volatile __u32 *addr) static __inline__ __u32 ld_le32(const volatile __u32 *addr)
{ {
__u32 val; __u32 val;
@ -34,13 +43,20 @@ static __inline__ __u32 ld_le32(const volatile __u32 *addr)
__asm__ __volatile__ ("lwbrx %0,0,%1" : "=r" (val) : "r" (addr), "m" (*addr)); __asm__ __volatile__ ("lwbrx %0,0,%1" : "=r" (val) : "r" (addr), "m" (*addr));
return val; return val;
} }
#define __arch_swab32p ld_le32
static __inline__ void st_le32(volatile __u32 *addr, const __u32 val) static __inline__ void st_le32(volatile __u32 *addr, const __u32 val)
{ {
__asm__ __volatile__ ("stwbrx %1,0,%2" : "=m" (*addr) : "r" (val), "r" (addr)); __asm__ __volatile__ ("stwbrx %1,0,%2" : "=m" (*addr) : "r" (val), "r" (addr));
} }
static __inline__ __attribute_const__ __u16 ___arch__swab16(__u16 value) static inline void __arch_swab32s(__u32 *addr)
{
st_le32(addr, *addr);
}
#define __arch_swab32s __arch_swab32s
static inline __attribute_const__ __u16 __arch_swab16(__u16 value)
{ {
__u16 result; __u16 result;
@ -49,8 +65,9 @@ static __inline__ __attribute_const__ __u16 ___arch__swab16(__u16 value)
: "r" (value), "0" (value >> 8)); : "r" (value), "0" (value >> 8));
return result; return result;
} }
#define __arch_swab16 __arch_swab16
static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 value) static inline __attribute_const__ __u32 __arch_swab32(__u32 value)
{ {
__u32 result; __u32 result;
@ -61,29 +78,16 @@ static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 value)
: "r" (value), "0" (value >> 24)); : "r" (value), "0" (value >> 24));
return result; return result;
} }
#define __arch_swab32 __arch_swab32
#define __arch__swab16(x) ___arch__swab16(x)
#define __arch__swab32(x) ___arch__swab32(x)
/* The same, but returns converted value from the location pointer by addr. */
#define __arch__swab16p(addr) ld_le16(addr)
#define __arch__swab32p(addr) ld_le32(addr)
/* The same, but do the conversion in situ, ie. put the value back to addr. */
#define __arch__swab16s(addr) st_le16(addr,*addr)
#define __arch__swab32s(addr) st_le32(addr,*addr)
#endif /* __KERNEL__ */ #endif /* __KERNEL__ */
#ifndef __STRICT_ANSI__
#define __BYTEORDER_HAS_U64__
#ifndef __powerpc64__ #ifndef __powerpc64__
#define __SWAB_64_THRU_32__ #define __SWAB_64_THRU_32__
#endif /* __powerpc64__ */ #endif /* __powerpc64__ */
#endif /* __STRICT_ANSI__ */
#endif /* __GNUC__ */ #endif /* __GNUC__ */
#include <linux/byteorder/big_endian.h> #include <linux/byteorder.h>
#endif /* _ASM_POWERPC_BYTEORDER_H */ #endif /* _ASM_POWERPC_BYTEORDER_H */