/* 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 */