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