77 lines
		
	
	
	
		
			2.3 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			77 lines
		
	
	
	
		
			2.3 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
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								/*
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								 * Linux/PA-RISC Project (http://www.parisc-linux.org/)
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								 *
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								 * Floating-point emulation code
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								 *  Copyright (C) 2001 Hewlett-Packard (Paul Bame) <bame@debian.org>
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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 as published by
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								 *    the Free Software Foundation; either version 2, or (at your option)
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								 *    any later version.
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								 *
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								 *    This program is distributed in the hope that it will be useful,
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								 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
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								 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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								 *    GNU General Public License for more details.
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								 *
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								 *    You should have received a copy of the GNU General Public License
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								 *    along with this program; if not, write to the Free Software
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								 *    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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								 */
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								/*
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								 * BEGIN_DESC
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								 * 
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								 *  File: 
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								 *      @(#)	pa/fp/fpu.h		$Revision: 1.1 $
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								 * 
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								 *  Purpose:
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								 *      <<please update with a synopis of the functionality provided by this file>>
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								 * 
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								 * 
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								 * END_DESC  
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								*/
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								#ifdef __NO_PA_HDRS
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								    PA header file -- do not include this header file for non-PA builds.
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								#endif
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								#ifndef _MACHINE_FPU_INCLUDED /* allows multiple inclusion */
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								#define _MACHINE_FPU_INCLUDED
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								#if 0
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								#ifndef _SYS_STDSYMS_INCLUDED
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								#    include <sys/stdsyms.h>
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								#endif   /* _SYS_STDSYMS_INCLUDED  */
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								#include  <machine/pdc/pdc_rqsts.h>
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								#endif
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								#define PA83_FPU_FLAG    0x00000001
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								#define PA89_FPU_FLAG    0x00000002
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								#define PA2_0_FPU_FLAG   0x00000010
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								#define TIMEX_EXTEN_FLAG 0x00000004
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								#define ROLEX_EXTEN_FLAG 0x00000008
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								#define COPR_FP 	0x00000080	/* Floating point -- Coprocessor 0 */
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								#define SFU_MPY_DIVIDE	0x00008000	/* Multiply/Divide __ SFU 0 */
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								#define EM_FPU_TYPE_OFFSET 272
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								/* version of EMULATION software for COPR,0,0 instruction */
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								#define EMULATION_VERSION 4
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								/*
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								 * The only was to differeniate between TIMEX and ROLEX (or PCX-S and PCX-T)
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								 * is thorough the potential type field from the PDC_MODEL call.  The 
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								 * following flags are used at assist this differeniation.
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								 */
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								#define ROLEX_POTENTIAL_KEY_FLAGS	PDC_MODEL_CPU_KEY_WORD_TO_IO
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								#define TIMEX_POTENTIAL_KEY_FLAGS	(PDC_MODEL_CPU_KEY_QUAD_STORE | \
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													 PDC_MODEL_CPU_KEY_RECIP_SQRT)
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								#endif /* ! _MACHINE_FPU_INCLUDED */
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