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58 lines
1.0 KiB
C
58 lines
1.0 KiB
C
#ifndef _SPARC_BYTEORDER_H
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#define _SPARC_BYTEORDER_H
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#include <asm/types.h>
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#include <asm/asi.h>
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#ifdef __GNUC__
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#ifdef CONFIG_SPARC32
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#define __SWAB_64_THRU_32__
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#endif
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#ifdef CONFIG_SPARC64
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static inline __u16 ___arch__swab16p(const __u16 *addr)
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{
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__u16 ret;
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__asm__ __volatile__ ("lduha [%1] %2, %0"
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: "=r" (ret)
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: "r" (addr), "i" (ASI_PL));
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return ret;
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}
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static inline __u32 ___arch__swab32p(const __u32 *addr)
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{
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__u32 ret;
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__asm__ __volatile__ ("lduwa [%1] %2, %0"
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: "=r" (ret)
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: "r" (addr), "i" (ASI_PL));
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return ret;
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}
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static inline __u64 ___arch__swab64p(const __u64 *addr)
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{
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__u64 ret;
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__asm__ __volatile__ ("ldxa [%1] %2, %0"
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: "=r" (ret)
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: "r" (addr), "i" (ASI_PL));
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return ret;
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}
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#define __arch__swab16p(x) ___arch__swab16p(x)
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#define __arch__swab32p(x) ___arch__swab32p(x)
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#define __arch__swab64p(x) ___arch__swab64p(x)
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#endif /* CONFIG_SPARC64 */
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#define __BYTEORDER_HAS_U64__
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#endif
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#include <linux/byteorder/big_endian.h>
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#endif /* _SPARC_BYTEORDER_H */
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