|
1 |
| -/* $OpenBSD: endian.h,v 1.14 2005/12/13 00:35:23 millert Exp $ */ |
| 1 | +/* $OpenBSD: endian.h,v 1.17 2011/03/12 04:03:04 guenther Exp $ */ |
2 | 2 |
|
3 | 3 | /*-
|
4 | 4 | * Copyright (c) 1997 Niklas Hallqvist. All rights reserved.
|
|
24 | 24 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
25 | 25 | */
|
26 | 26 |
|
27 |
| -#ifndef _I386_ENDIAN_H_ |
28 |
| -#define _I386_ENDIAN_H_ |
| 27 | +#ifndef _MACHINE_ENDIAN_H_ |
| 28 | +#define _MACHINE_ENDIAN_H_ |
29 | 29 |
|
30 | 30 | #ifdef __GNUC__
|
31 | 31 |
|
32 |
| -#if defined(_KERNEL) && !defined(I386_CPU) |
33 |
| -#define __swap32md(x) ({ \ |
| 32 | +#define __swap32md(x) __statement({ \ |
34 | 33 | uint32_t __swap32md_x = (x); \
|
35 | 34 | \
|
36 |
| - __asm ("bswap %1" : "+r" (__swap32md_x)); \ |
| 35 | + __asm ("bswap %0" : "+r" (__swap32md_x)); \ |
37 | 36 | __swap32md_x; \
|
38 | 37 | })
|
39 |
| -#else |
40 |
| -#define __swap32md(x) ({ \ |
41 |
| - uint32_t __swap32md_x = (x); \ |
42 |
| - \ |
43 |
| - __asm ("rorw $8, %w1; rorl $16, %1; rorw $8, %w1" : \ |
44 |
| - "+r" (__swap32md_x)); \ |
45 |
| - __swap32md_x; \ |
46 |
| -}) |
47 |
| -#endif /* _KERNEL && !I386_CPU */ |
48 | 38 |
|
49 |
| -#define __swap64md(x) ({ \ |
| 39 | +#define __swap64md(x) __statement({ \ |
50 | 40 | uint64_t __swap64md_x = (x); \
|
51 | 41 | \
|
52 | 42 | (uint64_t)__swap32md(__swap64md_x >> 32) | \
|
53 | 43 | (uint64_t)__swap32md(__swap64md_x & 0xffffffff) << 32; \
|
54 | 44 | })
|
55 |
| -#define __swap16md(x) ({ \ |
| 45 | +#define __swap16md(x) __statement({ \ |
56 | 46 | uint16_t __swap16md_x = (x); \
|
57 | 47 | \
|
58 |
| - __asm ("rorw $8, %w1" : "+r" (__swap16md_x)); \ |
| 48 | + __asm ("rorw $8, %w0" : "+r" (__swap16md_x)); \ |
59 | 49 | __swap16md_x; \
|
60 | 50 | })
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61 | 51 |
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|
68 | 58 | #include <sys/types.h>
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69 | 59 | #include <sys/endian.h>
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70 | 60 |
|
71 |
| -#endif /* _I386_ENDIAN_H_ */ |
| 61 | +#endif /* _MACHINE_ENDIAN_H_ */ |
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