Move all the stuff that detects bswapxx(constant) into the MI sys/bswap.h
Put the minimum to define the required inline assembler or C into the MD files. NB: there may be some fallout from this!
This commit is contained in:
dsl
parent
2723c11bd9
commit
c88ae1f9ee
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@ -1,4 +1,4 @@
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/* $NetBSD: byte_swap.h,v 1.3 2005/12/28 18:40:13 perry Exp $ */
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/* $NetBSD: byte_swap.h,v 1.4 2006/01/30 22:46:35 dsl Exp $ */
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/*-
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* Copyright (c) 1998 The NetBSD Foundation, Inc.
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@ -43,48 +43,29 @@
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#ifndef _AMD64_BYTE_SWAP_H_
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#define _AMD64_BYTE_SWAP_H_
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#ifdef __GNUC__
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#include <sys/types.h>
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__BEGIN_DECLS
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static __inline u_int32_t __byte_swap_long_variable(u_int32_t);
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static __inline u_int16_t __byte_swap_word_variable(u_int16_t);
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static __inline u_int32_t
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__byte_swap_long_variable(u_int32_t x)
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#define __BYTE_SWAP_U32_VARIABLE __byte_swap_u32_variable
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static __inline uint32_t __byte_swap_u32_variable(uint32_t);
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static __inline uint32_t
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__byte_swap_u32_variable(uint32_t x)
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{
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__asm volatile ( "bswap %1" : "=r" (x) : "0" (x));
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return (x);
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}
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static __inline u_int16_t
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__byte_swap_word_variable(u_int16_t x)
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#define __BYTE_SWAP_U16_VARIABLE __byte_swap_u16_variable
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static __inline uint16_t __byte_swap_u16_variable(uint16_t);
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static __inline uint16_t
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__byte_swap_u16_variable(uint16_t x)
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{
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__asm volatile ("rorw $8, %w1" : "=r" (x) : "0" (x));
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return (x);
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}
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#ifdef __OPTIMIZE__
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#define __byte_swap_long_constant(x) \
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((((x) & 0xff000000) >> 24) | \
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(((x) & 0x00ff0000) >> 8) | \
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(((x) & 0x0000ff00) << 8) | \
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(((x) & 0x000000ff) << 24))
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#define __byte_swap_word_constant(x) \
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((((x) & 0xff00) >> 8) | \
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(((x) & 0x00ff) << 8))
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#define __byte_swap_long(x) \
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(__builtin_constant_p((x)) ? \
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__byte_swap_long_constant(x) : __byte_swap_long_variable(x))
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#define __byte_swap_word(x) \
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(__builtin_constant_p((x)) ? \
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__byte_swap_word_constant(x) : __byte_swap_word_variable(x))
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#else /* __OPTIMIZE__ */
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#define __byte_swap_long(x) __byte_swap_long_variable(x)
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#define __byte_swap_word(x) __byte_swap_word_variable(x)
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#endif /* __OPTIMIZE__ */
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__END_DECLS
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#endif
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#endif /* !_AMD64_BYTE_SWAP_H_ */
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@ -1,4 +1,4 @@
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/* $NetBSD: byte_swap.h,v 1.5 2005/12/28 18:40:13 perry Exp $ */
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/* $NetBSD: byte_swap.h,v 1.6 2006/01/30 22:46:35 dsl Exp $ */
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/*-
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* Copyright (c) 1997, 1999, 2002 The NetBSD Foundation, Inc.
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@ -39,12 +39,15 @@
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#ifndef _ARM_BYTE_SWAP_H_
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#define _ARM_BYTE_SWAP_H_
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#ifdef __GNUC__
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#include <sys/types.h>
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__BEGIN_DECLS
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static __inline u_int32_t
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__byte_swap_32_variable(u_int32_t v)
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#define __BYTE_SWAP_U32_VARIABLE __byte_swap_u32_variable
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static __inline uint32_t
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__byte_swap_u32_variable(uint32_t v)
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{
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u_int32_t t1;
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uint32_t t1;
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t1 = v ^ ((v << 16) | (v >> 16));
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t1 &= 0xff00ffffU;
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@ -54,8 +57,9 @@ __byte_swap_32_variable(u_int32_t v)
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return (v);
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}
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static __inline u_int16_t
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__byte_swap_16_variable(u_int16_t v)
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#define __BYTE_SWAP_U16_VARIABLE __byte_swap_u16_variable
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static __inline uint16_t
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__byte_swap_u16_variable(uint16_t v)
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{
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__asm volatile(
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return (v);
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}
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#ifdef __OPTIMIZE__
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__END_DECLS
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#endif
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#define __byte_swap_32_constant(x) \
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((((x) & 0xff000000U) >> 24) | \
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(((x) & 0x00ff0000U) >> 8) | \
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(((x) & 0x0000ff00U) << 8) | \
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(((x) & 0x000000ffU) << 24))
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#define __byte_swap_16_constant(x) \
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((((x) & 0xff00) >> 8) | \
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(((x) & 0x00ff) << 8))
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#define __byte_swap_32(x) \
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(__builtin_constant_p((x)) ? \
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__byte_swap_32_constant(x) : __byte_swap_32_variable(x))
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#define __byte_swap_16(x) \
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(__builtin_constant_p((x)) ? \
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__byte_swap_16_constant(x) : __byte_swap_16_variable(x))
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#else
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#define __byte_swap_32(x) __byte_swap_32_variable(x)
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#define __byte_swap_16(x) __byte_swap_16_variable(x)
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#endif /* __OPTIMIZE__ */
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#endif /* _ARM_BYTE_SWAP_H_ */
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@ -1,4 +1,4 @@
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/* $NetBSD: byte_swap.h,v 1.5 2005/12/28 18:40:13 perry Exp $ */
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/* $NetBSD: byte_swap.h,v 1.6 2006/01/30 22:46:35 dsl Exp $ */
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/* $OpenBSD: endian.h,v 1.7 2001/06/29 20:28:54 mickey Exp $ */
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@ -35,11 +35,15 @@
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#ifndef _HPPA_BYTE_SWAP_H_
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#define _HPPA_BYTE_SWAP_H_
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static __inline u_int16_t __byte_swap_word __P((u_int16_t));
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static __inline u_int32_t __byte_swap_long __P((u_int32_t));
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#ifdef __GNUC__
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#include <sys/types.h>
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__BEGIN_DECLS
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static __inline u_int32_t
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__byte_swap_long(u_int32_t x)
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#define __BYTE_SWAP_U32_VARIABLE __byte_swap_u32_variable
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static __inline uint32_t __byte_swap_u32_variable(uint32_t);
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static __inline uint32_t
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__byte_swap_u32_variable(uint32_t x)
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{
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register in_addr_t __swap32md_x; \
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\
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*/
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#define __swap16md(x) __swap16gen(x)
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#else
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static __inline u_int16_t
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__byte_swap_word(u_int16_t x)
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#define __BYTE_SWAP_U16_VARIABLE __byte_swap_u16_variable
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static __inline uint16_t __byte_swap_u16_variable(uint16_t);
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static __inline uint16_t
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__byte_swap_u16_variable(uint16_t x)
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{
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register in_port_t __swap16md_x; \
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\
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}
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#endif
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__END_DECLS
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#endif
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#endif /* !_HPPA_BYTE_SWAP_H_ */
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/* $NetBSD: byte_swap.h,v 1.9 2005/12/28 18:40:13 perry Exp $ */
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/* $NetBSD: byte_swap.h,v 1.10 2006/01/30 22:46:36 dsl Exp $ */
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/*-
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* Copyright (c) 1998 The NetBSD Foundation, Inc.
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#include "opt_cputype.h"
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#endif
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#ifdef __GNUC__
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#include <sys/types.h>
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__BEGIN_DECLS
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static __inline uint32_t __byte_swap_long_variable(uint32_t);
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static __inline uint16_t __byte_swap_word_variable(uint16_t);
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#define __BYTE_SWAP_U32_VARIABLE __byte_swap_u32_variable
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static __inline uint32_t __byte_swap_u32_variable(uint32_t);
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static __inline uint32_t
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__byte_swap_long_variable(uint32_t x)
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__byte_swap_u32_variable(uint32_t x)
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{
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__asm volatile (
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#if defined(_KERNEL) && !defined(_LKM) && !defined(I386_CPU)
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return (x);
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}
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#define __BYTE_SWAP_U16_VARIABLE __byte_swap_u16_variable
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static __inline uint16_t __byte_swap_u16_variable(uint16_t);
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static __inline uint16_t
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__byte_swap_word_variable(uint16_t x)
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__byte_swap_u16_variable(uint16_t x)
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{
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__asm volatile ("rorw $8, %w1" : "=r" (x) : "0" (x));
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return (x);
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}
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#ifdef __OPTIMIZE__
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#define __byte_swap_long_constant(x) \
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((((x) & 0xff000000) >> 24) | \
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(((x) & 0x00ff0000) >> 8) | \
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(((x) & 0x0000ff00) << 8) | \
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(((x) & 0x000000ff) << 24))
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#define __byte_swap_word_constant(x) \
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((((x) & 0xff00) >> 8) | \
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(((x) & 0x00ff) << 8))
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#define __byte_swap_long(x) \
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(__builtin_constant_p((x)) ? \
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__byte_swap_long_constant(x) : __byte_swap_long_variable(x))
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#define __byte_swap_word(x) \
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(__builtin_constant_p((x)) ? \
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__byte_swap_word_constant(x) : __byte_swap_word_variable(x))
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#else /* __OPTIMIZE__ */
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#define __byte_swap_long(x) __byte_swap_long_variable(x)
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#define __byte_swap_word(x) __byte_swap_word_variable(x)
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#endif /* __OPTIMIZE__ */
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__END_DECLS
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#endif
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#endif /* !_I386_BYTE_SWAP_H_ */
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@ -1,4 +1,4 @@
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/* $NetBSD: byte_swap.h,v 1.7 2005/12/28 18:40:13 perry Exp $ */
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/* $NetBSD: byte_swap.h,v 1.8 2006/01/30 22:46:36 dsl Exp $ */
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/*-
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* Copyright (c) 1998 The NetBSD Foundation, Inc.
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#ifndef M68K_BYTE_SWAP_H_
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#define M68K_BYTE_SWAP_H_
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static __inline u_int16_t __byte_swap_word(u_int16_t);
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static __inline u_int32_t __byte_swap_long(u_int32_t);
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#ifdef __GNUC__
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#include <sys/types.h>
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__BEGIN_DECLS
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static __inline u_int16_t
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__byte_swap_word(u_int16_t var)
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#define __BYTE_SWAP_U16_VARIABLE __byte_swap_u16_variable
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static __inline uint16_t __byte_swap_u16_variable(uint16_t);
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static __inline uint16_t
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__byte_swap_u16_variable(uint16_t var)
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{
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__asm volatile ("rorw #8, %0" : "=d" (var) : "0" (var));
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return (var);
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}
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static __inline u_int32_t
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__byte_swap_long(u_int32_t var)
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#define __BYTE_SWAP_U32_VARIABLE __byte_swap_u32_variable
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static __inline uint32_t __byte_swap_u32_variable(uint32_t);
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static __inline uint32_t
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__byte_swap_u32_variable(uint32_t var)
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{
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__asm volatile (
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"rorw #8, %0; swap %0; rorw #8, %0" : "=d" (var) : "0" (var));
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return (var);
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}
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__END_DECLS
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#endif
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#endif /* !M68K_BYTE_SWAP_H_ */
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@ -1,4 +1,4 @@
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/* $NetBSD: byte_swap.h,v 1.7 2005/12/28 18:40:13 perry Exp $ */
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/* $NetBSD: byte_swap.h,v 1.8 2006/01/30 22:46:36 dsl Exp $ */
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/*
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* Copyright (c) 1987, 1991 Regents of the University of California.
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#ifndef _PC532_BYTE_SWAP_H_
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#define _PC532_BYTE_SWAP_H_
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#ifdef __GNUC__
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#include <sys/types.h>
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__BEGIN_DECLS
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static __inline unsigned int
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__byte_swap_long_variable(unsigned int x)
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#define __BYTE_SWAP_U32_VARIABLE __byte_swap_u32_variable
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static __inline uint32_t
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__byte_swap_u32_variable(uint32_t x)
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{
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__asm ("rotw 8,%1; rotd 16,%1; rotw 8,%1" : "=r" (x) : "0" (x));
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return (x);
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}
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static __inline unsigned short
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__byte_swap_word_variable(unsigned short x)
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#define __BYTE_SWAP_U16_VARIABLE __byte_swap_u16_variable
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static __inline uint16_t
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__byte_swap_u16_variable(uint16_t x)
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{
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__asm ("rotw 8,%1" : "=r" (x) : "0" (x));
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return (x);
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}
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#ifdef __OPTIMIZE__
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#define __byte_swap_long_constant(x) \
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((((x) & 0xff000000) >> 24) | \
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(((x) & 0x00ff0000) >> 8) | \
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(((x) & 0x0000ff00) << 8) | \
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(((x) & 0x000000ff) << 24))
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#define __byte_swap_word_constant(x) \
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((((x) & 0xff00) >> 8) | \
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(((x) & 0x00ff) << 8))
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#define __byte_swap_long(x) \
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(__builtin_constant_p((x)) ? \
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__byte_swap_long_constant(x) : __byte_swap_long_variable(x))
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#define __byte_swap_word(x) \
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(__builtin_constant_p((x)) ? \
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__byte_swap_word_constant(x) : __byte_swap_word_variable(x))
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#else /* __OPTIMIZE__ */
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#define __byte_swap_long(x) __byte_swap_long_variable(x)
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#define __byte_swap_word(x) __byte_swap_word_variable(x)
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#endif /* __OPTIMIZE__ */
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__END_DECLS
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#endif
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#endif /* _PC532_BYTE_SWAP_H_ */
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/* $NetBSD: byte_swap.h,v 1.4 2005/12/28 18:40:13 perry Exp $ */
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/* $NetBSD: byte_swap.h,v 1.5 2006/01/30 22:46:36 dsl Exp $ */
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/*
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* Copyright 2002 Wasabi Systems, Inc.
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#define _SH5_BYTESWAP_H_
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#include <sys/types.h>
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#ifdef __GNUC__
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#include <sys/types.h>
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__BEGIN_DECLS
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static __inline u_int16_t _sh5_bswap16(u_int16_t);
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static __inline u_int32_t _sh5_bswap32(u_int32_t);
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static __inline u_int64_t _sh5_bswap64(u_int64_t);
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static __inline u_int16_t
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_sh5_bswap16(u_int16_t x)
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#define __BYTE_SWAP_U16_VARIABLE __byte_swap_u16_variable
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static __inline uint16_t
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__byte_swap_u16_variable(uint16_t x)
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{
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__asm volatile("byterev %0, %0; shlri %0, 32, %0; shlri.l %0, 16, %0"
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@ -54,8 +55,9 @@ _sh5_bswap16(u_int16_t x)
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return (x);
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}
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static __inline u_int32_t
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_sh5_bswap32(u_int32_t x)
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#define __BYTE_SWAP_U32_VARIABLE __byte_swap_u32_variable
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static __inline uint32_t
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__byte_swap_u32_variable(uint32_t x)
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{
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__asm volatile("byterev %0, %0; shlri %0, 32, %0; add.l %0, r63, %0"
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@ -64,8 +66,9 @@ _sh5_bswap32(u_int32_t x)
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return (x);
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}
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static __inline u_int64_t
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_sh5_bswap64(u_int64_t x)
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#define __BYTE_SWAP_U64_VARIABLE __byte_swap_u64_variable
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static __inline uint64_t
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__byte_swap_u64_variable(uint64_t x)
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{
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__asm volatile("byterev %0, %0" : "+r"(x));
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@ -73,4 +76,7 @@ _sh5_bswap64(u_int64_t x)
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return (x);
|
||||
}
|
||||
|
||||
__END_DECLS
|
||||
#endif
|
||||
|
||||
#endif /* _SH5_BYTESWAP_H_ */
|
||||
|
|
|
|||
|
|
@ -1,4 +1,4 @@
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|||
/* $NetBSD: byte_swap.h,v 1.9 2005/12/28 18:40:13 perry Exp $ */
|
||||
/* $NetBSD: byte_swap.h,v 1.10 2006/01/30 22:46:36 dsl Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (c) 1987, 1991 Regents of the University of California.
|
||||
|
|
@ -33,11 +33,15 @@
|
|||
|
||||
#ifndef _VAX_BYTE_SWAP_H_
|
||||
#define _VAX_BYTE_SWAP_H_
|
||||
#ifdef __GNUC__
|
||||
#include <sys/types.h>
|
||||
__BEGIN_DECLS
|
||||
|
||||
#include <sys/types.h>
|
||||
|
||||
#define __BYTE_SWAP_U32_VARIABLE __byte_swap_u32_variable
|
||||
static __inline uint32_t __attribute__((__unused__))
|
||||
__byte_swap_long_variable(uint32_t x)
|
||||
__byte_swap_u32_variable(uint32_t x)
|
||||
{
|
||||
uint32_t y;
|
||||
|
||||
|
|
@ -53,14 +57,14 @@ __byte_swap_long_variable(uint32_t x)
|
|||
return (y);
|
||||
}
|
||||
|
||||
#define __BYTE_SWAP_U16_VARIABLE __byte_swap_u16_variable
|
||||
static __inline uint16_t __attribute__((__unused__))
|
||||
__byte_swap_word_variable(uint16_t x)
|
||||
__byte_swap_u16_variable(uint16_t x)
|
||||
{
|
||||
|
||||
return (x << 8 | x >> 8);
|
||||
}
|
||||
|
||||
#define __byte_swap_long(x) __byte_swap_long_variable(x)
|
||||
#define __byte_swap_word(x) __byte_swap_word_variable(x)
|
||||
|
||||
__END_DECLS
|
||||
#endif
|
||||
#endif /* _VAX_BYTE_SWAP_H_ */
|
||||
|
|
|
|||
|
|
@ -1,11 +1,7 @@
|
|||
/* $NetBSD: bswap.h,v 1.5 2005/12/26 18:41:36 perry Exp $ */
|
||||
/* $NetBSD: bswap.h,v 1.6 2006/01/30 22:46:36 dsl Exp $ */
|
||||
|
||||
/* Written by Manuel Bouyer. Public domain */
|
||||
|
||||
#ifndef _MACHINE_BSWAP_H_ /* _BEFORE_ #ifndef _SYS_BSWAP_H_ */
|
||||
#include <machine/bswap.h>
|
||||
#endif
|
||||
|
||||
#ifndef _SYS_BSWAP_H_
|
||||
#define _SYS_BSWAP_H_
|
||||
|
||||
|
|
@ -13,7 +9,11 @@
|
|||
#include <sys/cdefs.h>
|
||||
#include <sys/types.h>
|
||||
|
||||
#include <machine/bswap.h>
|
||||
|
||||
__BEGIN_DECLS
|
||||
|
||||
/* Always declare the functions in case their address is taken (etc) */
|
||||
#if defined(_KERNEL) || defined(_STANDALONE) || !defined(__BSWAP_RENAME)
|
||||
uint16_t bswap16(uint16_t);
|
||||
uint32_t bswap32(uint32_t);
|
||||
|
|
@ -22,6 +22,56 @@ uint16_t bswap16(uint16_t) __RENAME(__bswap16);
|
|||
uint32_t bswap32(uint32_t) __RENAME(__bswap32);
|
||||
#endif
|
||||
uint64_t bswap64(uint64_t);
|
||||
|
||||
#if defined(__GNUC__) && defined(__OPTIMIZE__)
|
||||
|
||||
/* machine/byte_swap.h might have defined inline versions */
|
||||
#ifndef __BYTE_SWAP_U64_VARIABLE
|
||||
#define __BYTE_SWAP_U64_VARIABLE bswap64
|
||||
#endif
|
||||
|
||||
#ifndef __BYTE_SWAP_U32_VARIABLE
|
||||
#define __BYTE_SWAP_U32_VARIABLE bswap32
|
||||
#endif
|
||||
|
||||
#ifndef __BYTE_SWAP_U16_VARIABLE
|
||||
#define __BYTE_SWAP_U16_VARIABLE bswap16
|
||||
#endif
|
||||
|
||||
#define __byte_swap_u64_constant(x) \
|
||||
((((x) & 0xff00000000000000ull) >> 56) | \
|
||||
(((x) & 0x00ff000000000000ull) >> 40) | \
|
||||
(((x) & 0x0000ff0000000000ull) >> 24) | \
|
||||
(((x) & 0x000000ff00000000ull) >> 8) | \
|
||||
(((x) & 0x00000000ff000000ull) << 8) | \
|
||||
(((x) & 0x0000000000ff0000ull) << 24) | \
|
||||
(((x) & 0x000000000000ff00ull) << 40) | \
|
||||
(((x) & 0x00000000000000ffull) << 56))
|
||||
|
||||
#define __byte_swap_u32_constant(x) \
|
||||
((((x) & 0xff000000) >> 24) | \
|
||||
(((x) & 0x00ff0000) >> 8) | \
|
||||
(((x) & 0x0000ff00) << 8) | \
|
||||
(((x) & 0x000000ff) << 24))
|
||||
|
||||
#define __byte_swap_u16_constant(x) \
|
||||
((((x) & 0xff00) >> 8) | \
|
||||
(((x) & 0x00ff) << 8))
|
||||
|
||||
#define bswap64(x) \
|
||||
(__builtin_constant_p((x)) ? \
|
||||
__byte_swap_u64_constant(x) : __BYTE_SWAP_U64_VARIABLE(x))
|
||||
|
||||
#define bswap32(x) \
|
||||
(__builtin_constant_p((x)) ? \
|
||||
__byte_swap_u32_constant(x) : __BYTE_SWAP_U32_VARIABLE(x))
|
||||
|
||||
#define bswap16(x) \
|
||||
(__builtin_constant_p((x)) ? \
|
||||
__byte_swap_u16_constant(x) : __BYTE_SWAP_U16_VARIABLE(x))
|
||||
|
||||
#endif /* __OPTIMIZE__ */
|
||||
|
||||
__END_DECLS
|
||||
#endif /* !_LOCORE */
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue