diff options
Diffstat (limited to 'include/asm-x86/byteorder_32.h')
-rw-r--r-- | include/asm-x86/byteorder_32.h | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/include/asm-x86/byteorder_32.h b/include/asm-x86/byteorder_32.h deleted file mode 100644 index a45470a8b74a..000000000000 --- a/include/asm-x86/byteorder_32.h +++ /dev/null | |||
@@ -1,58 +0,0 @@ | |||
1 | #ifndef _I386_BYTEORDER_H | ||
2 | #define _I386_BYTEORDER_H | ||
3 | |||
4 | #include <asm/types.h> | ||
5 | #include <linux/compiler.h> | ||
6 | |||
7 | #ifdef __GNUC__ | ||
8 | |||
9 | /* For avoiding bswap on i386 */ | ||
10 | #ifdef __KERNEL__ | ||
11 | #endif | ||
12 | |||
13 | static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 x) | ||
14 | { | ||
15 | #ifdef CONFIG_X86_BSWAP | ||
16 | __asm__("bswap %0" : "=r" (x) : "0" (x)); | ||
17 | #else | ||
18 | __asm__("xchgb %b0,%h0\n\t" /* swap lower bytes */ | ||
19 | "rorl $16,%0\n\t" /* swap words */ | ||
20 | "xchgb %b0,%h0" /* swap higher bytes */ | ||
21 | :"=q" (x) | ||
22 | : "0" (x)); | ||
23 | #endif | ||
24 | return x; | ||
25 | } | ||
26 | |||
27 | static __inline__ __attribute_const__ __u64 ___arch__swab64(__u64 val) | ||
28 | { | ||
29 | union { | ||
30 | struct { __u32 a,b; } s; | ||
31 | __u64 u; | ||
32 | } v; | ||
33 | v.u = val; | ||
34 | #ifdef CONFIG_X86_BSWAP | ||
35 | asm("bswapl %0 ; bswapl %1 ; xchgl %0,%1" | ||
36 | : "=r" (v.s.a), "=r" (v.s.b) | ||
37 | : "0" (v.s.a), "1" (v.s.b)); | ||
38 | #else | ||
39 | v.s.a = ___arch__swab32(v.s.a); | ||
40 | v.s.b = ___arch__swab32(v.s.b); | ||
41 | asm("xchgl %0,%1" : "=r" (v.s.a), "=r" (v.s.b) : "0" (v.s.a), "1" (v.s.b)); | ||
42 | #endif | ||
43 | return v.u; | ||
44 | } | ||
45 | |||
46 | /* Do not define swab16. Gcc is smart enough to recognize "C" version and | ||
47 | convert it into rotation or exhange. */ | ||
48 | |||
49 | #define __arch__swab64(x) ___arch__swab64(x) | ||
50 | #define __arch__swab32(x) ___arch__swab32(x) | ||
51 | |||
52 | #define __BYTEORDER_HAS_U64__ | ||
53 | |||
54 | #endif /* __GNUC__ */ | ||
55 | |||
56 | #include <linux/byteorder/little_endian.h> | ||
57 | |||
58 | #endif /* _I386_BYTEORDER_H */ | ||