1/* 2 * Linux/PA-RISC Project (http://www.parisc-linux.org/) 3 * 4 * Floating-point emulation code 5 * Copyright (C) 2001 Hewlett-Packard (Paul Bame) <bame@debian.org> 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 2, or (at your option) 10 * any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 20 */ 21/* 22 * BEGIN_DESC 23 * 24 * File: 25 * @(#) pa/fp/fpu.h $Revision: 1.1 $ 26 * 27 * Purpose: 28 * <<please update with a synopis of the functionality provided by this file>> 29 * 30 * 31 * END_DESC 32*/ 33 34#ifdef __NO_PA_HDRS 35 PA header file -- do not include this header file for non-PA builds. 36#endif 37 38 39#ifndef _MACHINE_FPU_INCLUDED /* allows multiple inclusion */ 40#define _MACHINE_FPU_INCLUDED 41 42 43#define PA83_FPU_FLAG 0x00000001 44#define PA89_FPU_FLAG 0x00000002 45#define PA2_0_FPU_FLAG 0x00000010 46 47#define TIMEX_EXTEN_FLAG 0x00000004 48 49#define ROLEX_EXTEN_FLAG 0x00000008 50#define COPR_FP 0x00000080 /* Floating point -- Coprocessor 0 */ 51#define SFU_MPY_DIVIDE 0x00008000 /* Multiply/Divide __ SFU 0 */ 52 53 54#define EM_FPU_TYPE_OFFSET 272 55 56/* version of EMULATION software for COPR,0,0 instruction */ 57#define EMULATION_VERSION 4 58 59/* 60 * The only was to differeniate between TIMEX and ROLEX (or PCX-S and PCX-T) 61 * is thorough the potential type field from the PDC_MODEL call. The 62 * following flags are used at assist this differeniation. 63 */ 64 65#define ROLEX_POTENTIAL_KEY_FLAGS PDC_MODEL_CPU_KEY_WORD_TO_IO 66#define TIMEX_POTENTIAL_KEY_FLAGS (PDC_MODEL_CPU_KEY_QUAD_STORE | \ 67 PDC_MODEL_CPU_KEY_RECIP_SQRT) 68 69 70#endif /* ! _MACHINE_FPU_INCLUDED */ 71