5457982641
Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Michael Kerrisk <mtk.manpages@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com>
45 lines
932 B
C
45 lines
932 B
C
#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 [%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 __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 [%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_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 [%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_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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