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107 lines
2.8 KiB
C
107 lines
2.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Port on Texas Instruments TMS320C6x architecture
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*
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* Copyright (C) 2004, 2009, 2010 Texas Instruments Incorporated
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* Author: Aurelien Jacquiot (aurelien.jacquiot@jaluna.com)
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* Rewritten for 2.6.3x: Mark Salter <msalter@redhat.com>
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*/
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#ifndef _ASM_C6X_UNALIGNED_H
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#define _ASM_C6X_UNALIGNED_H
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// #include <linux/swab.h>
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// #include <linux/unaligned/generic.h>
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#include "inject_80211.h"
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/*
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* The C64x+ can do unaligned word and dword accesses in hardware
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* using special load/store instructions.
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*/
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static inline u16 get_unaligned_le16(const void *p)
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{
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const u8 *_p = p;
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return _p[0] | _p[1] << 8;
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}
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static inline u16 get_unaligned_be16(const void *p)
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{
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const u8 *_p = p;
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return _p[0] << 8 | _p[1];
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}
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static inline void put_unaligned_le16(u16 val, void *p)
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{
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u8 *_p = p;
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_p[0] = val;
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_p[1] = val >> 8;
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}
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static inline void put_unaligned_be16(u16 val, void *p)
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{
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u8 *_p = p;
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_p[0] = val >> 8;
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_p[1] = val;
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}
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// static inline u32 get_unaligned32(const void *p)
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// {
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// u32 val = (u32) p;
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// asm (" ldnw .d1t1 *%0,%0\n"
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// " nop 4\n"
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// : "+a"(val));
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// return val;
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// }
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// static inline void put_unaligned32(u32 val, void *p)
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// {
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// asm volatile (" stnw .d2t1 %0,*%1\n"
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// : : "a"(val), "b"(p) : "memory");
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// }
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// static inline u64 get_unaligned64(const void *p)
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// {
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// u64 val;
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// asm volatile (" ldndw .d1t1 *%1,%0\n"
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// " nop 4\n"
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// : "=a"(val) : "a"(p));
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// return val;
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// }
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// static inline void put_unaligned64(u64 val, const void *p)
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// {
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// asm volatile (" stndw .d2t1 %0,*%1\n"
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// : : "a"(val), "b"(p) : "memory");
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// }
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#ifdef CONFIG_CPU_BIG_ENDIAN
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#define get_unaligned_le32(p) __swab32(get_unaligned32(p))
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#define get_unaligned_le64(p) __swab64(get_unaligned64(p))
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#define get_unaligned_be32(p) get_unaligned32(p)
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#define get_unaligned_be64(p) get_unaligned64(p)
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#define put_unaligned_le32(v, p) put_unaligned32(__swab32(v), (p))
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#define put_unaligned_le64(v, p) put_unaligned64(__swab64(v), (p))
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#define put_unaligned_be32(v, p) put_unaligned32((v), (p))
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#define put_unaligned_be64(v, p) put_unaligned64((v), (p))
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#define get_unaligned __get_unaligned_be
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#define put_unaligned __put_unaligned_be
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#else
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#define get_unaligned_le32(p) get_unaligned32(p)
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#define get_unaligned_le64(p) get_unaligned64(p)
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#define get_unaligned_be32(p) __swab32(get_unaligned32(p))
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#define get_unaligned_be64(p) __swab64(get_unaligned64(p))
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#define put_unaligned_le32(v, p) put_unaligned32((v), (p))
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#define put_unaligned_le64(v, p) put_unaligned64((v), (p))
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#define put_unaligned_be32(v, p) put_unaligned32(__swab32(v), (p))
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#define put_unaligned_be64(v, p) put_unaligned64(__swab64(v), (p))
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#define get_unaligned __get_unaligned_le
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#define put_unaligned __put_unaligned_le
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#endif
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#endif /* _ASM_C6X_UNALIGNED_H */
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