1660662f8SThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-or-later */ 21da177e4SLinus Torvalds /* 31da177e4SLinus Torvalds * Linux/PA-RISC Project (http://www.parisc-linux.org/) 41da177e4SLinus Torvalds * 51da177e4SLinus Torvalds * Floating-point emulation code 61da177e4SLinus Torvalds * Copyright (C) 2001 Hewlett-Packard (Paul Bame) <bame@debian.org> 71da177e4SLinus Torvalds */ 81da177e4SLinus Torvalds 91da177e4SLinus Torvalds #ifndef _MACHINE_FPU_INCLUDED /* allows multiple inclusion */ 101da177e4SLinus Torvalds #define _MACHINE_FPU_INCLUDED 111da177e4SLinus Torvalds 121da177e4SLinus Torvalds #define PA83_FPU_FLAG 0x00000001 131da177e4SLinus Torvalds #define PA89_FPU_FLAG 0x00000002 141da177e4SLinus Torvalds #define PA2_0_FPU_FLAG 0x00000010 151da177e4SLinus Torvalds 161da177e4SLinus Torvalds #define TIMEX_EXTEN_FLAG 0x00000004 171da177e4SLinus Torvalds 181da177e4SLinus Torvalds #define ROLEX_EXTEN_FLAG 0x00000008 191da177e4SLinus Torvalds #define COPR_FP 0x00000080 /* Floating point -- Coprocessor 0 */ 201da177e4SLinus Torvalds #define SFU_MPY_DIVIDE 0x00008000 /* Multiply/Divide __ SFU 0 */ 211da177e4SLinus Torvalds 221da177e4SLinus Torvalds #define EM_FPU_TYPE_OFFSET 272 231da177e4SLinus Torvalds 241da177e4SLinus Torvalds /* version of EMULATION software for COPR,0,0 instruction */ 251da177e4SLinus Torvalds #define EMULATION_VERSION 4 261da177e4SLinus Torvalds 271da177e4SLinus Torvalds /* 28*0aa2ddc9SBhaskar Chowdhury * The only way to differentiate between TIMEX and ROLEX (or PCX-S and PCX-T) 29*0aa2ddc9SBhaskar Chowdhury * is through the potential type field from the PDC_MODEL call. 30*0aa2ddc9SBhaskar Chowdhury * The following flags are used to assist this differentiation. 311da177e4SLinus Torvalds */ 321da177e4SLinus Torvalds 331da177e4SLinus Torvalds #define ROLEX_POTENTIAL_KEY_FLAGS PDC_MODEL_CPU_KEY_WORD_TO_IO 341da177e4SLinus Torvalds #define TIMEX_POTENTIAL_KEY_FLAGS (PDC_MODEL_CPU_KEY_QUAD_STORE | \ 351da177e4SLinus Torvalds PDC_MODEL_CPU_KEY_RECIP_SQRT) 361da177e4SLinus Torvalds 371da177e4SLinus Torvalds #endif /* ! _MACHINE_FPU_INCLUDED */ 38