162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-or-later */ 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * Linux/PA-RISC Project (http://www.parisc-linux.org/) 462306a36Sopenharmony_ci * 562306a36Sopenharmony_ci * Floating-point emulation code 662306a36Sopenharmony_ci * Copyright (C) 2001 Hewlett-Packard (Paul Bame) <bame@debian.org> 762306a36Sopenharmony_ci */ 862306a36Sopenharmony_ci 962306a36Sopenharmony_ci#ifndef _MACHINE_FPU_INCLUDED /* allows multiple inclusion */ 1062306a36Sopenharmony_ci#define _MACHINE_FPU_INCLUDED 1162306a36Sopenharmony_ci 1262306a36Sopenharmony_ci#define PA83_FPU_FLAG 0x00000001 1362306a36Sopenharmony_ci#define PA89_FPU_FLAG 0x00000002 1462306a36Sopenharmony_ci#define PA2_0_FPU_FLAG 0x00000010 1562306a36Sopenharmony_ci 1662306a36Sopenharmony_ci#define TIMEX_EXTEN_FLAG 0x00000004 1762306a36Sopenharmony_ci 1862306a36Sopenharmony_ci#define ROLEX_EXTEN_FLAG 0x00000008 1962306a36Sopenharmony_ci#define COPR_FP 0x00000080 /* Floating point -- Coprocessor 0 */ 2062306a36Sopenharmony_ci#define SFU_MPY_DIVIDE 0x00008000 /* Multiply/Divide __ SFU 0 */ 2162306a36Sopenharmony_ci 2262306a36Sopenharmony_ci#define EM_FPU_TYPE_OFFSET 272 2362306a36Sopenharmony_ci 2462306a36Sopenharmony_ci/* version of EMULATION software for COPR,0,0 instruction */ 2562306a36Sopenharmony_ci#define EMULATION_VERSION 4 2662306a36Sopenharmony_ci 2762306a36Sopenharmony_ci/* 2862306a36Sopenharmony_ci * The only way to differentiate between TIMEX and ROLEX (or PCX-S and PCX-T) 2962306a36Sopenharmony_ci * is through the potential type field from the PDC_MODEL call. 3062306a36Sopenharmony_ci * The following flags are used to assist this differentiation. 3162306a36Sopenharmony_ci */ 3262306a36Sopenharmony_ci 3362306a36Sopenharmony_ci#define ROLEX_POTENTIAL_KEY_FLAGS PDC_MODEL_CPU_KEY_WORD_TO_IO 3462306a36Sopenharmony_ci#define TIMEX_POTENTIAL_KEY_FLAGS (PDC_MODEL_CPU_KEY_QUAD_STORE | \ 3562306a36Sopenharmony_ci PDC_MODEL_CPU_KEY_RECIP_SQRT) 3662306a36Sopenharmony_ci 3762306a36Sopenharmony_ci#endif /* ! _MACHINE_FPU_INCLUDED */ 38