aboutsummaryrefslogtreecommitdiffstats
path: root/include/asm-x86/byteorder_32.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-x86/byteorder_32.h')
-rw-r--r--include/asm-x86/byteorder_32.h58
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
13static __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
27static __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 */