prim_asm.h

uboot在arm处理器s3c2410的移植代码

/****************************************************************************
*
*						Realmode X86 Emulator Library
*
*            	Copyright (C) 1996-1999 SciTech Software, Inc.
* 				     Copyright (C) David Mosberger-Tang
* 					   Copyright (C) 1999 Egbert Eich
*
*  ========================================================================
*
*  Permission to use, copy, modify, distribute, and sell this software and
*  its documentation for any purpose is hereby granted without fee,
*  provided that the above copyright notice appear in all copies and that
*  both that copyright notice and this permission notice appear in
*  supporting documentation, and that the name of the authors not be used
*  in advertising or publicity pertaining to distribution of the software
*  without specific, written prior permission.  The authors makes no
*  representations about the suitability of this software for any purpose.
*  It is provided "as is" without express or implied warranty.
*
*  THE AUTHORS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
*  INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
*  EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
*  CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
*  USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
*  OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
*  PERFORMANCE OF THIS SOFTWARE.
*
*  ========================================================================
*
* Language:		Watcom C++ 10.6 or later
* Environment:	Any
* Developer:    Kendall Bennett
*
* Description:  Inline assembler versions of the primitive operand
*				functions for faster performance. At the moment this is
*				x86 inline assembler, but these functions could be replaced
*				with native inline assembler for each supported processor
*				platform.
*
****************************************************************************/

#ifndef	__X86EMU_PRIM_ASM_H
#define	__X86EMU_PRIM_ASM_H

#ifdef	__WATCOMC__

#ifndef	VALIDATE
#define	__HAVE_INLINE_ASSEMBLER__
#endif

u32		get_flags_asm(void);
#pragma aux get_flags_asm =			\
	"pushf"                         \
	"pop	eax"                  	\
	value [eax]                     \
	modify exact [eax];

u16     aaa_word_asm(u32 *flags,u16 d);
#pragma aux aaa_word_asm =			\
	"push	[edi]"            		\
	"popf"                         	\
	"aaa"                  			\
	"pushf"                         \
	"pop	[edi]"            		\
	parm [edi] [ax] 				\
	value [ax]                      \
	modify exact [ax];

u16     aas_word_asm(u32 *flags,u16 d);
#pragma aux aas_word_asm =			\
	"push	[edi]"            		\
	"popf"                         	\
	"aas"                  			\
	"pushf"                         \
	"pop	[edi]"            		\
	parm [edi] [ax] 				\
	value [ax]                      \
	modify exact [ax];

u16     aad_word_asm(u32 *flags,u16 d);
#pragma aux aad_word_asm =			\
	"push	[edi]"            		\
	"popf"                         	\
	"aad"                  			\
	"pushf"                         \
	"pop	[edi]"            		\
	parm [edi] [ax] 				\
	value [ax]                      \
	modify exact [ax];

u16     aam_word_asm(u32 *flags,u8 d);
#pragma aux aam_word_asm =			\
	"push	[edi]"            		\
	"popf"                         	\
	"aam"                  			\
	"pushf"                         \
	"pop	[edi]"            		\
	parm [edi] [al] 				\
	value [ax]                      \
	modify exact [ax];

u8      adc_byte_asm(u32 *flags,u8 d, u8 s);
#pragma aux adc_byte_asm =			\
	"push	[edi]"            		\
	"popf"                         	\
	"adc	al,bl"                  \
	"pushf"                         \
	"pop	[edi]"            		\
	parm [edi] [al] [bl]            \
	value [al]                      \
	modify exact [al bl];

u16     adc_word_asm(u32 *flags,u16 d, u16 s);
#pragma aux adc_word_asm =			\
	"push	[edi]"            		\
	"popf"                         	\
	"adc	ax,bx"                  \
	"pushf"                         \
	"pop	[edi]"            		\
	parm [edi] [ax] [bx]            \
	value [ax]                      \
	modify exact [ax bx];

u32     adc_long_asm(u32 *flags,u32 d, u32 s);
#pragma aux adc_long_asm =			\
	"push	[edi]"            		\
	"popf"                         	\
	"adc	eax,ebx"                \
	"pushf"                         \
	"pop	[edi]"            		\
	parm [edi] [eax] [ebx]          \
	value [eax]                     \
	modify exact [eax ebx];

u8      add_byte_asm(u32 *flags,u8 d, u8 s);
#pragma aux add_byte_asm =			\
	"push	[edi]"            		\
	"popf"                         	\
	"add	al,bl"                  \
	"pushf"                         \
	"pop	[edi]"            		\
	parm [edi] [al] [bl]            \
	value [al]                      \
	modify exact [al bl];

u16     add_word_asm(u32 *flags,u16 d, u16 s);
#pragma aux add_word_asm =			\
	"push	[edi]"            		\
	"popf"                         	\
	"add	ax,bx"                  \
	"pushf"                         \
	"pop	[edi]"            		\
	parm [edi] [ax] [bx]            \
	value [ax]                      \
	modify exact [ax bx];

u32     add_long_asm(u32 *flags,u32 d, u32 s);
#pragma aux add_long_asm =			\
	"push	[edi]"            		\
	"popf"                         	\
	"add	eax,ebx"                \
	"pushf"                         \
	"pop	[edi]"            		\
	parm [edi] [eax] [ebx]          \
	value [eax]                     \
	modify exact [eax ebx];

u8      and_byte_asm(u32 *flags,u8 d, u8 s);
#pragma aux and_byte_asm =			\
	"push	[edi]"            		\
	"popf"                         	\
	"and	al,bl"                  \
	"pushf"                         \
	"pop	[edi]"            		\
	parm [edi] [al] [bl]            \
	value [al]                      \
	modify exact [al bl];

u16     and_word_asm(u32 *flags,u16 d, u16 s);
#pragma aux and_word_asm =			\
	"push	[edi]"            		\
	"popf"                         	\
	"and	ax,bx"                  \
	"pushf"                         \
	"pop	[edi]"            		\
	parm [edi] [ax] [bx]            \
	value [ax]                      \
	modify exact [ax bx];

u32     and_long_asm(u32 *flags,u32 d, u32 s);
#pragma aux and_long_asm =			\
	"push	[edi]"            		\
	"popf"                         	\
	"and	eax,ebx"                \
	"pushf"                         \
	"pop	[edi]"            		\
	parm [edi] [eax] [ebx]          \
	value [eax]                     \
	modify exact [eax ebx];

u8      cmp_byte_asm(u32 *flags,u8 d, u8 s);
#pragma aux cmp_byte_asm =			\
	"push	[edi]"            		\
	"popf"                         	\
	"cmp	al,bl"                  \
	"pushf"                         \
	"pop	[edi]"            		\
	parm [edi] [al] [bl]            \
	value [al]                      \
	modify exact [al bl];

u16     cmp_word_asm(u32 *flags,u16 d, u16 s);
#pragma aux cmp_word_asm =			\
	"push	[edi]"            		\
	"popf"                         	\
	"cmp	ax,bx"                  \
	"pushf"                         \
	"pop	[edi]"            		\
	parm [edi] [ax] [bx]            \
	value [ax]                      \
	modify exact [ax bx];

u32     cmp_long_asm(u32 *flags,u32 d, u32 s);
#pragma aux cmp_long_asm =			\
	"push	[edi]"            		\
	"popf"                         	\
	"cmp	eax,ebx"                \
	"pushf"                         \
	"pop	[edi]"            		\
	parm [edi] [eax] [ebx]          \
	value [eax]                     \
	modify exact [eax ebx];

u8      daa_byte_asm(u32 *flags,u8 d);
#pragma aux daa_byte_asm =			\
	"push	[edi]"            		\
	"popf"                         	\
	"daa"                  			\
	"pushf"                         \
	"pop	[edi]"            		\
	parm [edi] [al]            		\
	value [al]                      \
	modify exact [al];

u8      das_byte_asm(u32 *flags,u8 d);
#pragma aux das_byte_asm =			\
	"push	[edi]"            		\
	"popf"                         	\
	"das"                  			\
	"pushf"                         \
	"pop	[edi]"            		\
	parm [edi] [al]            		\
	value [al]                      \
	modify exact [al];

u8      dec_byte_asm(u32 *flags,u8 d);
#pragma aux dec_byte_asm =			\
	"push	[edi]"            		\
	"popf"                         	\
	"dec	al"                  	\
	"pushf"                         \
	"pop	[edi]"            		\
	parm [edi] [al]            		\
	value [al]                      \
	modify exact [al];

u16     dec_word_asm(u32 *flags,u16 d);
#pragma aux dec_word_asm =			\
	"push	[edi]"            		\
	"popf"                         	\
	"dec	ax"                  	\
	"pushf"                         \
	"pop	[edi]"            		\
	parm [edi] [ax]            		\
	value [ax]                      \
	modify exact [ax];

u32     dec_long_asm(u32 *flags,u32 d);
#pragma aux dec_long_asm =			\
	"push	[edi]"            		\
	"popf"                         	\
	"dec	eax"                	\
	"pushf"                         \
	"pop	[edi]"            		\
	parm [edi] [eax]          		\
	value [eax]                     \
	modify exact [eax];

u8      inc_byte_asm(u32 *flags,u8 d);
#pragma aux inc_byte_asm =			\
	"push	[edi]"            		\
	"popf"                         	\
	"inc	al"                  	\
	"pushf"                         \
	"pop	[edi]"            		\
	parm [edi] [al]            		\
	value [al]                      \
	modify exact [al];

u16     inc_word_asm(u32 *flags,u16 d);
#pragma aux inc_word_asm =			\
	"push	[edi]"            		\
	"popf"                         	\
	"inc	ax"                  	\
	"pushf"                         \
	"pop	[edi]"            		\
	parm [edi] [ax]            		\
	value [ax]                      \
	modify exact [ax];

u32     inc_long_asm(u32 *flags,u32 d);
#pragma aux inc_long_asm =			\
	"push	[edi]"            		\
	"popf"                         	\
	"inc	eax"                	\
	"pushf"                         \
	"pop	[edi]"            		\
	parm [edi] [eax]          		\
	value [eax]                     \
	modify exact [eax];

u8      or_byte_asm(u32 *flags,u8 d, u8 s);
#pragma aux or_byte_asm =			\
	"push	[edi]"            		\
	"popf"                         	\
	"or	al,bl"                  	\
	"pushf"                         \
	"pop	[edi]"            		\
	parm [edi] [al] [bl]            \
	value [al]                      \
	modify exact [al bl];

u16     or_word_asm(u32 *flags,u16 d, u16 s);
#pragma aux or_word_asm =			\
	"push	[edi]"            		\
	"popf"                         	\
	"or	ax,bx"                  	\
	"pushf"                         \
	"pop	[edi]"            		\
	parm [edi] [ax] [bx]            \
	value [ax]                      \
	modify exact [ax bx];

u32     or_long_asm(u32 *flags,u32 d, u32 s);
#pragma aux or_long_asm =			\
	"push	[edi]"            		\
	"popf"                         	\
	"or	eax,ebx"                	\
	"pushf"                         \
	"pop	[edi]"            		\
	parm [edi] [eax] [ebx]          \
	value [eax]                     \
	modify exact [eax ebx];

u8      neg_byte_asm(u32 *flags,u8 d);
#pragma aux neg_byte_asm =			\
	"push	[edi]"            		\
	"popf"                         	\
	"neg	al"                  	\
	"pushf"                         \
	"pop	[edi]"            		\
	parm [edi] [al]            		\
	value [al]                      \
	modify exact [al];

u16     neg_word_asm(u32 *flags,u16 d);
#pragma aux neg_word_asm =			\
	"push	[edi]"            		\
	"popf"                         	\
	"neg	ax"                  	\
	"pushf"                         \
	"pop	[edi]"            		\
	parm [edi] [ax]            		\
	value [ax]                      \
	modify exact [ax];

u32     neg_long_asm(u32 *flags,u32 d);
#pragma aux neg_long_asm =			\
	"push	[edi]"            		\
	"popf"                         	\
	"neg	eax"                	\
	"pushf"                         \
	"pop	[edi]"            		\
	parm [edi] [eax]          		\
	value [eax]                     \
	modify exact [eax];

u8      not_byte_asm(u32 *flags,u8 d);
#pragma aux not_byte_asm =			\
	"push	[edi]"            		\
	"popf"                         	\
	"not	al"                  	\
	"pushf"                         \
	"pop	[edi]"            		\
	parm [edi] [al]            		\
	value [al]                      \
	modify exact [al];

u16     not_word_asm(u32 *flags,u16 d);
#pragma aux not_word_asm =			\
	"push	[edi]"            		\
	"popf"                         	\
	"not	ax"                  	\
	"pushf"                         \
	"pop	[edi]"            		\
	parm [edi] [ax]            		\
	value [ax]                      \
	modify exact [ax];

u32     not_long_asm(u32 *flags,u32 d);
#pragma aux not_long_asm =			\
	"push	[edi]"            		\
	"popf"                         	\
	"not	eax"                	\
	"pushf"                         \
	"pop	[edi]"            		\
	parm [edi] [eax]          		\
	value [eax]                     \
	modify exact [eax];

u8      rcl_byte_asm(u32 *flags,u8 d, u8 s);
#pragma aux rcl_byte_asm =			\
	"push	[edi]"            		\
	"popf"                         	\
	"rcl	al,cl"                  \
	"pushf"                         \
	"pop	[edi]"            		\
	parm [edi] [al] [cl]            \
	value [al]                      \
	modify exact [al cl];

u16     rcl_word_asm(u32 *flags,u16 d, u8 s);
#pragma aux rcl_word_asm =			\
	"push	[edi]"            		\
	"popf"                         	\
	"rcl	ax,cl"                  \
	"pushf"                         \
	"pop	[edi]"            		\
	parm [edi] [ax] [cl]            \
	value [ax]                      \
	modify exact [ax cl];

u32     rcl_long_asm(u32 *flags,u32 d, u8 s);
#pragma aux rcl_long_asm =			\
	"push	[edi]"            		\
	"popf"                         	\
	"rcl	eax,cl"                	\
	"pushf"                         \
	"pop	[edi]"            		\
	parm [edi] [eax] [cl]          	\
	value [eax]                     \
	modify exact [eax cl];

u8      rcr_byte_asm(u32 *flags,u8 d, u8 s);
#pragma aux rcr_byte_asm =			\
	"push	[edi]"            		\
	"popf"                         	\
	"rcr	al,cl"                  \
	"pushf"                         \
	"pop	[edi]"            		\
	parm [edi] [al] [cl]            \
	value [al]                      \
	modify exact [al cl];

u16     rcr_word_asm(u32 *flags,u16 d, u8 s);
#pragma aux rcr_word_asm =			\
	"push	[edi]"            		\
	"popf"                         	\
	"rcr	ax,cl"                  \
	"pushf"                         \
	"pop	[edi]"            		\
	parm [edi] [ax] [cl]            \
	value [ax]                      \
	modify exact [ax cl];

u32     rcr_long_asm(u32 *flags,u32 d, u8 s);
#pragma aux rcr_long_asm =			\
	"push	[edi]"            		\
	"popf"                         	\
	"rcr	eax,cl"                	\
	"pushf"                         \
	"pop	[edi]"            		\
	parm [edi] [eax] [cl]          	\
	value [eax]                     \
	modify exact [eax cl];