| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| /* |
| * Linux/PA-RISC Project (http://www.parisc-linux.org/) |
| * |
| * Floating-point emulation code |
| * Copyright (C) 2001 Hewlett-Packard (Paul Bame) <bame@debian.org> |
| */ |
| /* |
| * 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 */ |
