46 lines
859 B
C
46 lines
859 B
C
#ifndef FIO_BSWAP_H
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#define FIO_BSWAP_H
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#include <inttypes.h>
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#ifdef CONFIG_LITTLE_ENDIAN
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static inline uint32_t __be32_to_cpu(uint32_t val)
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{
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uint32_t c1, c2, c3, c4;
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c1 = (val >> 24) & 0xff;
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c2 = (val >> 16) & 0xff;
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c3 = (val >> 8) & 0xff;
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c4 = val & 0xff;
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return c1 | c2 << 8 | c3 << 16 | c4 << 24;
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}
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static inline uint64_t __be64_to_cpu(uint64_t val)
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{
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uint64_t c1, c2, c3, c4, c5, c6, c7, c8;
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c1 = (val >> 56) & 0xff;
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c2 = (val >> 48) & 0xff;
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c3 = (val >> 40) & 0xff;
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c4 = (val >> 32) & 0xff;
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c5 = (val >> 24) & 0xff;
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c6 = (val >> 16) & 0xff;
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c7 = (val >> 8) & 0xff;
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c8 = val & 0xff;
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return c1 | c2 << 8 | c3 << 16 | c4 << 24 | c5 << 32 | c6 << 40 | c7 << 48 | c8 << 56;
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}
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#else
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static inline uint64_t __be64_to_cpu(uint64_t val)
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{
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return val;
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}
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static inline uint32_t __be32_to_cpu(uint32_t val)
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{
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return val;
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}
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#endif
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#endif
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