1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Linux/PA-RISC Project (http://www.parisc-linux.org/) 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Floating-point emulation code 6*4882a593Smuzhiyun * Copyright (C) 2001 Hewlett-Packard (Paul Bame) <bame@debian.org> 7*4882a593Smuzhiyun */ 8*4882a593Smuzhiyun /* 9*4882a593Smuzhiyun * BEGIN_DESC 10*4882a593Smuzhiyun * 11*4882a593Smuzhiyun * File: 12*4882a593Smuzhiyun * @(#) pa/fp/fpu.h $Revision: 1.1 $ 13*4882a593Smuzhiyun * 14*4882a593Smuzhiyun * Purpose: 15*4882a593Smuzhiyun * <<please update with a synopis of the functionality provided by this file>> 16*4882a593Smuzhiyun * 17*4882a593Smuzhiyun * 18*4882a593Smuzhiyun * END_DESC 19*4882a593Smuzhiyun */ 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun #ifdef __NO_PA_HDRS 22*4882a593Smuzhiyun PA header file -- do not include this header file for non-PA builds. 23*4882a593Smuzhiyun #endif 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun #ifndef _MACHINE_FPU_INCLUDED /* allows multiple inclusion */ 27*4882a593Smuzhiyun #define _MACHINE_FPU_INCLUDED 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun #if 0 30*4882a593Smuzhiyun #ifndef _SYS_STDSYMS_INCLUDED 31*4882a593Smuzhiyun # include <sys/stdsyms.h> 32*4882a593Smuzhiyun #endif /* _SYS_STDSYMS_INCLUDED */ 33*4882a593Smuzhiyun #include <machine/pdc/pdc_rqsts.h> 34*4882a593Smuzhiyun #endif 35*4882a593Smuzhiyun 36*4882a593Smuzhiyun #define PA83_FPU_FLAG 0x00000001 37*4882a593Smuzhiyun #define PA89_FPU_FLAG 0x00000002 38*4882a593Smuzhiyun #define PA2_0_FPU_FLAG 0x00000010 39*4882a593Smuzhiyun 40*4882a593Smuzhiyun #define TIMEX_EXTEN_FLAG 0x00000004 41*4882a593Smuzhiyun 42*4882a593Smuzhiyun #define ROLEX_EXTEN_FLAG 0x00000008 43*4882a593Smuzhiyun #define COPR_FP 0x00000080 /* Floating point -- Coprocessor 0 */ 44*4882a593Smuzhiyun #define SFU_MPY_DIVIDE 0x00008000 /* Multiply/Divide __ SFU 0 */ 45*4882a593Smuzhiyun 46*4882a593Smuzhiyun 47*4882a593Smuzhiyun #define EM_FPU_TYPE_OFFSET 272 48*4882a593Smuzhiyun 49*4882a593Smuzhiyun /* version of EMULATION software for COPR,0,0 instruction */ 50*4882a593Smuzhiyun #define EMULATION_VERSION 4 51*4882a593Smuzhiyun 52*4882a593Smuzhiyun /* 53*4882a593Smuzhiyun * The only was to differeniate between TIMEX and ROLEX (or PCX-S and PCX-T) 54*4882a593Smuzhiyun * is thorough the potential type field from the PDC_MODEL call. The 55*4882a593Smuzhiyun * following flags are used at assist this differeniation. 56*4882a593Smuzhiyun */ 57*4882a593Smuzhiyun 58*4882a593Smuzhiyun #define ROLEX_POTENTIAL_KEY_FLAGS PDC_MODEL_CPU_KEY_WORD_TO_IO 59*4882a593Smuzhiyun #define TIMEX_POTENTIAL_KEY_FLAGS (PDC_MODEL_CPU_KEY_QUAD_STORE | \ 60*4882a593Smuzhiyun PDC_MODEL_CPU_KEY_RECIP_SQRT) 61*4882a593Smuzhiyun 62*4882a593Smuzhiyun 63*4882a593Smuzhiyun #endif /* ! _MACHINE_FPU_INCLUDED */ 64