47 lines
1.0 KiB
C
47 lines
1.0 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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#ifndef _SPARC_SWAB_H
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#define _SPARC_SWAB_H
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#include <linux/types.h>
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#include <asm/asi.h>
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#if defined(__sparc__) && defined(__arch64__)
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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 [%2] %3, %0"
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: "=r" (ret)
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: "m" (*addr), "r" (addr), "i" (ASI_PL));
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return ret;
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}
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#define __arch_swab16p __arch_swab16p
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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 [%2] %3, %0"
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: "=r" (ret)
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: "m" (*addr), "r" (addr), "i" (ASI_PL));
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return ret;
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}
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#define __arch_swab32p __arch_swab32p
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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 [%2] %3, %0"
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: "=r" (ret)
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: "m" (*addr), "r" (addr), "i" (ASI_PL));
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return ret;
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}
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#define __arch_swab64p __arch_swab64p
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#else
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#define __SWAB_64_THRU_32__
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#endif /* defined(__sparc__) && defined(__arch64__) */
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#endif /* _SPARC_SWAB_H */
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