summaryrefslogtreecommitdiffstats
path: root/arch/x86/include/asm/swab.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/include/asm/swab.h')
-rw-r--r--arch/x86/include/asm/swab.h61
1 files changed, 0 insertions, 61 deletions
diff --git a/arch/x86/include/asm/swab.h b/arch/x86/include/asm/swab.h
deleted file mode 100644
index 557cd9f..0000000
--- a/arch/x86/include/asm/swab.h
+++ /dev/null
@@ -1,61 +0,0 @@
-#ifndef _ASM_X86_SWAB_H
-#define _ASM_X86_SWAB_H
-
-#include <linux/types.h>
-#include <linux/compiler.h>
-
-static inline __attribute_const__ __u32 __arch_swab32(__u32 val)
-{
-#ifdef __i386__
-# ifdef CONFIG_X86_BSWAP
- asm("bswap %0" : "=r" (val) : "0" (val));
-# else
- asm("xchgb %b0,%h0\n\t" /* swap lower bytes */
- "rorl $16,%0\n\t" /* swap words */
- "xchgb %b0,%h0" /* swap higher bytes */
- : "=q" (val)
- : "0" (val));
-# endif
-
-#else /* __i386__ */
- asm("bswapl %0"
- : "=r" (val)
- : "0" (val));
-#endif
- return val;
-}
-#define __arch_swab32 __arch_swab32
-
-static inline __attribute_const__ __u64 __arch_swab64(__u64 val)
-{
-#ifdef __i386__
- union {
- struct {
- __u32 a;
- __u32 b;
- } s;
- __u64 u;
- } v;
- v.u = val;
-# ifdef CONFIG_X86_BSWAP
- asm("bswapl %0 ; bswapl %1 ; xchgl %0,%1"
- : "=r" (v.s.a), "=r" (v.s.b)
- : "0" (v.s.a), "1" (v.s.b));
-# else
- v.s.a = __arch_swab32(v.s.a);
- v.s.b = __arch_swab32(v.s.b);
- asm("xchgl %0,%1"
- : "=r" (v.s.a), "=r" (v.s.b)
- : "0" (v.s.a), "1" (v.s.b));
-# endif
- return v.u;
-#else /* __i386__ */
- asm("bswapq %0"
- : "=r" (val)
- : "0" (val));
- return val;
-#endif
-}
-#define __arch_swab64 __arch_swab64
-
-#endif /* _ASM_X86_SWAB_H */
OpenPOWER on IntegriCloud