summaryrefslogtreecommitdiff
path: root/include/asm-ppc/byteorder.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-ppc/byteorder.h')
-rw-r--r--include/asm-ppc/byteorder.h84
1 files changed, 0 insertions, 84 deletions
diff --git a/include/asm-ppc/byteorder.h b/include/asm-ppc/byteorder.h
deleted file mode 100644
index 3f5bcf6..0000000
--- a/include/asm-ppc/byteorder.h
+++ /dev/null
@@ -1,84 +0,0 @@
-#ifndef _PPC_BYTEORDER_H
-#define _PPC_BYTEORDER_H
-
-#include <asm/types.h>
-
-#ifdef __GNUC__
-
-extern __inline__ unsigned ld_le16(const volatile unsigned short *addr)
-{
- unsigned val;
-
- __asm__ __volatile__ ("lhbrx %0,0,%1" : "=r" (val) : "r" (addr), "m" (*addr));
- return val;
-}
-
-extern __inline__ void st_le16(volatile unsigned short *addr, const unsigned val)
-{
- __asm__ __volatile__ ("sthbrx %1,0,%2" : "=m" (*addr) : "r" (val), "r" (addr));
-}
-
-extern __inline__ unsigned ld_le32(const volatile unsigned *addr)
-{
- unsigned val;
-
- __asm__ __volatile__ ("lwbrx %0,0,%1" : "=r" (val) : "r" (addr), "m" (*addr));
- return val;
-}
-
-extern __inline__ void st_le32(volatile unsigned *addr, const unsigned val)
-{
- __asm__ __volatile__ ("stwbrx %1,0,%2" : "=m" (*addr) : "r" (val), "r" (addr));
-}
-
-/* alas, egcs sounds like it has a bug in this code that doesn't use the
- inline asm correctly, and can cause file corruption. Until I hear that
- it's fixed, I can live without the extra speed. I hope. */
-#if !(__GNUC__ >= 2 && __GNUC_MINOR__ >= 90)
-#if 0
-# define __arch_swab16(x) ld_le16(&x)
-# define __arch_swab32(x) ld_le32(&x)
-#else
-static __inline__ __attribute__((const)) __u16 ___arch__swab16(__u16 value)
-{
- __u16 result;
-
- __asm__("rlwimi %0,%1,8,16,23"
- : "=r" (result)
- : "r" (value), "0" (value >> 8));
- return result;
-}
-
-static __inline__ __attribute__((const)) __u32 ___arch__swab32(__u32 value)
-{
- __u32 result;
-
- __asm__("rlwimi %0,%1,24,16,23\n\t"
- "rlwimi %0,%1,8,8,15\n\t"
- "rlwimi %0,%1,24,0,7"
- : "=r" (result)
- : "r" (value), "0" (value >> 24));
- return result;
-}
-#define __arch__swab32(x) ___arch__swab32(x)
-#define __arch__swab16(x) ___arch__swab16(x)
-#endif /* 0 */
-
-#endif
-
-/* 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 /* __GNUC__ */
-
-#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
-#define __BYTEORDER_HAS_U64__
-#endif
-#include <linux/byteorder/big_endian.h>
-
-#endif /* _PPC_BYTEORDER_H */