| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 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 | #if 0 |
| 43 | #ifndef _SYS_STDSYMS_INCLUDED |
| 44 | # include <sys/stdsyms.h> |
| 45 | #endif /* _SYS_STDSYMS_INCLUDED */ |
| 46 | #include <machine/pdc/pdc_rqsts.h> |
| 47 | #endif |
| 48 | |
| 49 | #define PA83_FPU_FLAG 0x00000001 |
| 50 | #define PA89_FPU_FLAG 0x00000002 |
| 51 | #define PA2_0_FPU_FLAG 0x00000010 |
| 52 | |
| 53 | #define TIMEX_EXTEN_FLAG 0x00000004 |
| 54 | |
| 55 | #define ROLEX_EXTEN_FLAG 0x00000008 |
| 56 | #define COPR_FP 0x00000080 /* Floating point -- Coprocessor 0 */ |
| 57 | #define SFU_MPY_DIVIDE 0x00008000 /* Multiply/Divide __ SFU 0 */ |
| 58 | |
| 59 | |
| 60 | #define EM_FPU_TYPE_OFFSET 272 |
| 61 | |
| 62 | /* version of EMULATION software for COPR,0,0 instruction */ |
| 63 | #define EMULATION_VERSION 4 |
| 64 | |
| 65 | /* |
| 66 | * The only was to differeniate between TIMEX and ROLEX (or PCX-S and PCX-T) |
| 67 | * is thorough the potential type field from the PDC_MODEL call. The |
| 68 | * following flags are used at assist this differeniation. |
| 69 | */ |
| 70 | |
| 71 | #define ROLEX_POTENTIAL_KEY_FLAGS PDC_MODEL_CPU_KEY_WORD_TO_IO |
| 72 | #define TIMEX_POTENTIAL_KEY_FLAGS (PDC_MODEL_CPU_KEY_QUAD_STORE | \ |
| 73 | PDC_MODEL_CPU_KEY_RECIP_SQRT) |
| 74 | |
| 75 | |
| 76 | #endif /* ! _MACHINE_FPU_INCLUDED */ |