author | Florian Westphal <fw@strlen.de> |
Sun, 11 Jan 2009 20:20:11 +0100 | |
changeset 0 | aa628870c1d3 |
child 2 | d1f6d8b6f81c |
permissions | -rw-r--r-- |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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#ifndef _ASM_X86_BYTEORDER_H |
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Port of Linux 2.6.28 for use with network simulation cradle.
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#define _ASM_X86_BYTEORDER_H |
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Port of Linux 2.6.28 for use with network simulation cradle.
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Port of Linux 2.6.28 for use with network simulation cradle.
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#include <asm/types.h> |
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Port of Linux 2.6.28 for use with network simulation cradle.
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#include <linux/compiler.h> |
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Port of Linux 2.6.28 for use with network simulation cradle.
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Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
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#ifdef __GNUC__ |
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Port of Linux 2.6.28 for use with network simulation cradle.
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Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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#ifdef __i386__ |
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Port of Linux 2.6.28 for use with network simulation cradle.
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Port of Linux 2.6.28 for use with network simulation cradle.
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static inline __attribute_const__ __u32 ___arch__swab32(__u32 x) |
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Port of Linux 2.6.28 for use with network simulation cradle.
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{ |
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Port of Linux 2.6.28 for use with network simulation cradle.
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#ifdef CONFIG_X86_BSWAP |
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Port of Linux 2.6.28 for use with network simulation cradle.
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asm("bswap %0" : "=r" (x) : "0" (x)); |
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Port of Linux 2.6.28 for use with network simulation cradle.
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#else |
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Port of Linux 2.6.28 for use with network simulation cradle.
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asm("xchgb %b0,%h0\n\t" /* swap lower bytes */ |
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Port of Linux 2.6.28 for use with network simulation cradle.
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"rorl $16,%0\n\t" /* swap words */ |
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Port of Linux 2.6.28 for use with network simulation cradle.
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"xchgb %b0,%h0" /* swap higher bytes */ |
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Port of Linux 2.6.28 for use with network simulation cradle.
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: "=q" (x) |
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Port of Linux 2.6.28 for use with network simulation cradle.
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: "0" (x)); |
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Port of Linux 2.6.28 for use with network simulation cradle.
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#endif |
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Port of Linux 2.6.28 for use with network simulation cradle.
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return x; |
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} |
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Port of Linux 2.6.28 for use with network simulation cradle.
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static inline __attribute_const__ __u64 ___arch__swab64(__u64 val) |
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Port of Linux 2.6.28 for use with network simulation cradle.
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{ |
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Port of Linux 2.6.28 for use with network simulation cradle.
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union { |
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Port of Linux 2.6.28 for use with network simulation cradle.
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struct { |
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__u32 a; |
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__u32 b; |
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} s; |
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__u64 u; |
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} v; |
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v.u = val; |
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#ifdef CONFIG_X86_BSWAP |
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asm("bswapl %0 ; bswapl %1 ; xchgl %0,%1" |
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: "=r" (v.s.a), "=r" (v.s.b) |
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: "0" (v.s.a), "1" (v.s.b)); |
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#else |
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v.s.a = ___arch__swab32(v.s.a); |
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v.s.b = ___arch__swab32(v.s.b); |
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Port of Linux 2.6.28 for use with network simulation cradle.
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asm("xchgl %0,%1" |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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: "=r" (v.s.a), "=r" (v.s.b) |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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: "0" (v.s.a), "1" (v.s.b)); |
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parents:
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#endif |
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return v.u; |
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} |
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#else /* __i386__ */ |
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static inline __attribute_const__ __u64 ___arch__swab64(__u64 x) |
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{ |
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asm("bswapq %0" |
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: "=r" (x) |
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: "0" (x)); |
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return x; |
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} |
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static inline __attribute_const__ __u32 ___arch__swab32(__u32 x) |
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{ |
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asm("bswapl %0" |
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: "=r" (x) |
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Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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: "0" (x)); |
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Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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return x; |
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Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
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} |
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Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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#endif |
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Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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/* Do not define swab16. Gcc is smart enough to recognize "C" version and |
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convert it into rotation or exhange. */ |
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#define __arch__swab64(x) ___arch__swab64(x) |
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#define __arch__swab32(x) ___arch__swab32(x) |
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Port of Linux 2.6.28 for use with network simulation cradle.
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#define __BYTEORDER_HAS_U64__ |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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#endif /* __GNUC__ */ |
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Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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#include <linux/byteorder/little_endian.h> |
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Port of Linux 2.6.28 for use with network simulation cradle.
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#endif /* _ASM_X86_BYTEORDER_H */ |