projects / mirror_ubuntu-zesty-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
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 */ |