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authorThomas Gleixner <tglx@linutronix.de>2007-10-11 05:20:03 -0400
committerThomas Gleixner <tglx@linutronix.de>2007-10-11 05:20:03 -0400
commit96a388de5dc53a8b234b3fd41f3ae2cedc9ffd42 (patch)
treed947a467aa2da3140279617bc4b9b101640d7bf4 /include/asm-x86/byteorder_64.h
parent27bd0c955648646abf2a353a8371d28c37bcd982 (diff)
i386/x86_64: move headers to include/asm-x86
Move the headers to include/asm-x86 and fixup the header install make rules Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-x86/byteorder_64.h')
-rw-r--r--include/asm-x86/byteorder_64.h33
1 files changed, 33 insertions, 0 deletions
diff --git a/include/asm-x86/byteorder_64.h b/include/asm-x86/byteorder_64.h
new file mode 100644
index 000000000000..5e86c868c75e
--- /dev/null
+++ b/include/asm-x86/byteorder_64.h
@@ -0,0 +1,33 @@
1#ifndef _X86_64_BYTEORDER_H
2#define _X86_64_BYTEORDER_H
3
4#include <asm/types.h>
5#include <linux/compiler.h>
6
7#ifdef __GNUC__
8
9static __inline__ __attribute_const__ __u64 ___arch__swab64(__u64 x)
10{
11 __asm__("bswapq %0" : "=r" (x) : "0" (x));
12 return x;
13}
14
15static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 x)
16{
17 __asm__("bswapl %0" : "=r" (x) : "0" (x));
18 return x;
19}
20
21/* Do not define swab16. Gcc is smart enough to recognize "C" version and
22 convert it into rotation or exhange. */
23
24#define __arch__swab32(x) ___arch__swab32(x)
25#define __arch__swab64(x) ___arch__swab64(x)
26
27#endif /* __GNUC__ */
28
29#define __BYTEORDER_HAS_U64__
30
31#include <linux/byteorder/little_endian.h>
32
33#endif /* _X86_64_BYTEORDER_H */