5c7dd7acc3
repo: https://github.com/T-head-Semi/linux commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
56 lines
1.3 KiB
C
56 lines
1.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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/*
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* Copyright (C) 2011 Texas Instruments Incorporated
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* Author: Mark Salter <msalter@redhat.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef _ASM_C6X_SWAB_H
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#define _ASM_C6X_SWAB_H
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static inline __attribute_const__ __u16 __c6x_swab16(__u16 val)
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{
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asm("swap4 .l1 %0,%0\n" : "+a"(val));
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return val;
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}
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static inline __attribute_const__ __u32 __c6x_swab32(__u32 val)
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{
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asm("swap4 .l1 %0,%0\n"
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"swap2 .l1 %0,%0\n"
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: "+a"(val));
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return val;
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}
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static inline __attribute_const__ __u64 __c6x_swab64(__u64 val)
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{
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asm(" swap2 .s1 %p0,%P0\n"
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"|| swap2 .l1 %P0,%p0\n"
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" swap4 .l1 %p0,%p0\n"
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" swap4 .l1 %P0,%P0\n"
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: "+a"(val));
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return val;
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}
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static inline __attribute_const__ __u32 __c6x_swahw32(__u32 val)
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{
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asm("swap2 .l1 %0,%0\n" : "+a"(val));
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return val;
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}
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static inline __attribute_const__ __u32 __c6x_swahb32(__u32 val)
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{
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asm("swap4 .l1 %0,%0\n" : "+a"(val));
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return val;
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}
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#define __arch_swab16 __c6x_swab16
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#define __arch_swab32 __c6x_swab32
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#define __arch_swab64 __c6x_swab64
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#define __arch_swahw32 __c6x_swahw32
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#define __arch_swahb32 __c6x_swahb32
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#endif /* _ASM_C6X_SWAB_H */
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