11da177e4SLinus Torvalds /* 21da177e4SLinus Torvalds * Linux/PA-RISC Project (http://www.parisc-linux.org/) 31da177e4SLinus Torvalds * 41da177e4SLinus Torvalds * Floating-point emulation code 51da177e4SLinus Torvalds * Copyright (C) 2001 Hewlett-Packard (Paul Bame) <bame@debian.org> 61da177e4SLinus Torvalds * 71da177e4SLinus Torvalds * This program is free software; you can redistribute it and/or modify 81da177e4SLinus Torvalds * it under the terms of the GNU General Public License as published by 91da177e4SLinus Torvalds * the Free Software Foundation; either version 2, or (at your option) 101da177e4SLinus Torvalds * any later version. 111da177e4SLinus Torvalds * 121da177e4SLinus Torvalds * This program is distributed in the hope that it will be useful, 131da177e4SLinus Torvalds * but WITHOUT ANY WARRANTY; without even the implied warranty of 141da177e4SLinus Torvalds * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 151da177e4SLinus Torvalds * GNU General Public License for more details. 161da177e4SLinus Torvalds * 171da177e4SLinus Torvalds * You should have received a copy of the GNU General Public License 181da177e4SLinus Torvalds * along with this program; if not, write to the Free Software 191da177e4SLinus Torvalds * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 201da177e4SLinus Torvalds */ 211da177e4SLinus Torvalds /* 221da177e4SLinus Torvalds * BEGIN_DESC 231da177e4SLinus Torvalds * 241da177e4SLinus Torvalds * File: 251da177e4SLinus Torvalds * @(#) pa/fp/fpu.h $Revision: 1.1 $ 261da177e4SLinus Torvalds * 271da177e4SLinus Torvalds * Purpose: 281da177e4SLinus Torvalds * <<please update with a synopis of the functionality provided by this file>> 291da177e4SLinus Torvalds * 301da177e4SLinus Torvalds * 311da177e4SLinus Torvalds * END_DESC 321da177e4SLinus Torvalds */ 331da177e4SLinus Torvalds 341da177e4SLinus Torvalds #ifdef __NO_PA_HDRS 351da177e4SLinus Torvalds PA header file -- do not include this header file for non-PA builds. 361da177e4SLinus Torvalds #endif 371da177e4SLinus Torvalds 381da177e4SLinus Torvalds 391da177e4SLinus Torvalds #ifndef _MACHINE_FPU_INCLUDED /* allows multiple inclusion */ 401da177e4SLinus Torvalds #define _MACHINE_FPU_INCLUDED 411da177e4SLinus Torvalds 421da177e4SLinus Torvalds #if 0 431da177e4SLinus Torvalds #ifndef _SYS_STDSYMS_INCLUDED 441da177e4SLinus Torvalds # include <sys/stdsyms.h> 451da177e4SLinus Torvalds #endif /* _SYS_STDSYMS_INCLUDED */ 461da177e4SLinus Torvalds #include <machine/pdc/pdc_rqsts.h> 471da177e4SLinus Torvalds #endif 481da177e4SLinus Torvalds 491da177e4SLinus Torvalds #define PA83_FPU_FLAG 0x00000001 501da177e4SLinus Torvalds #define PA89_FPU_FLAG 0x00000002 511da177e4SLinus Torvalds #define PA2_0_FPU_FLAG 0x00000010 521da177e4SLinus Torvalds 531da177e4SLinus Torvalds #define TIMEX_EXTEN_FLAG 0x00000004 541da177e4SLinus Torvalds 551da177e4SLinus Torvalds #define ROLEX_EXTEN_FLAG 0x00000008 561da177e4SLinus Torvalds #define COPR_FP 0x00000080 /* Floating point -- Coprocessor 0 */ 571da177e4SLinus Torvalds #define SFU_MPY_DIVIDE 0x00008000 /* Multiply/Divide __ SFU 0 */ 581da177e4SLinus Torvalds 591da177e4SLinus Torvalds 601da177e4SLinus Torvalds #define EM_FPU_TYPE_OFFSET 272 611da177e4SLinus Torvalds 621da177e4SLinus Torvalds /* version of EMULATION software for COPR,0,0 instruction */ 631da177e4SLinus Torvalds #define EMULATION_VERSION 4 641da177e4SLinus Torvalds 651da177e4SLinus Torvalds /* 661da177e4SLinus Torvalds * The only was to differeniate between TIMEX and ROLEX (or PCX-S and PCX-T) 671da177e4SLinus Torvalds * is thorough the potential type field from the PDC_MODEL call. The 681da177e4SLinus Torvalds * following flags are used at assist this differeniation. 691da177e4SLinus Torvalds */ 701da177e4SLinus Torvalds 711da177e4SLinus Torvalds #define ROLEX_POTENTIAL_KEY_FLAGS PDC_MODEL_CPU_KEY_WORD_TO_IO 721da177e4SLinus Torvalds #define TIMEX_POTENTIAL_KEY_FLAGS (PDC_MODEL_CPU_KEY_QUAD_STORE | \ 731da177e4SLinus Torvalds PDC_MODEL_CPU_KEY_RECIP_SQRT) 741da177e4SLinus Torvalds 751da177e4SLinus Torvalds 761da177e4SLinus Torvalds #endif /* ! _MACHINE_FPU_INCLUDED */ 77