mirror of
https://github.com/kanjitalk755/macemu.git
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105 lines
3.8 KiB
C
105 lines
3.8 KiB
C
/*
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* fpu/fpu_x86_asm.h - Extra Definitions for the X86 assembly FPU core
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*
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* Copyright (c) 2001-2004 Milan Jurik of ARAnyM dev team (see AUTHORS)
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*
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* Inspired by Christian Bauer's Basilisk II
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*
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* This file is part of the ARAnyM project which builds a new and powerful
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* TOS/FreeMiNT compatible virtual machine running on almost any hardware.
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*
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* MC68881/68040 fpu emulation
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*
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* Original UAE FPU, copyright 1996 Herman ten Brugge
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* Rewrite for x86, copyright 1999-2001 Lauri Pesonen
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* New framework, copyright 2000-2001 Gwenole Beauchesne
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* Adapted for JIT compilation (c) Bernd Meyer, 2000-2001
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*
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* ARAnyM is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* ARAnyM is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with ARAnyM; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#define DEFINE_X86_MACRO(name, value) \
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asm(".local " #name "\n\t" #name " = " #value)
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DEFINE_X86_MACRO(BSUN, 0x00008000);
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DEFINE_X86_MACRO(SNAN, 0x00004000);
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DEFINE_X86_MACRO(OPERR, 0x00002000);
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DEFINE_X86_MACRO(OVFL, 0x00001000);
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DEFINE_X86_MACRO(UNFL, 0x00000800);
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DEFINE_X86_MACRO(DZ, 0x00000400);
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DEFINE_X86_MACRO(INEX2, 0x00000200);
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DEFINE_X86_MACRO(INEX1, 0x00000100);
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DEFINE_X86_MACRO(ACCR_IOP, 0x80);
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DEFINE_X86_MACRO(ACCR_OVFL, 0x40);
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DEFINE_X86_MACRO(ACCR_UNFL, 0x20);
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DEFINE_X86_MACRO(ACCR_DZ, 0x10);
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DEFINE_X86_MACRO(ACCR_INEX, 0x08);
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DEFINE_X86_MACRO(ROUND_CONTROL_MASK, 0x30);
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DEFINE_X86_MACRO(ROUND_TO_NEAREST, 0);
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DEFINE_X86_MACRO(ROUND_TO_ZERO, 0x10);
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DEFINE_X86_MACRO(ROUND_TO_NEGATIVE_INFINITY, 0x20);
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DEFINE_X86_MACRO(ROUND_TO_POSITIVE_INFINITY, 0x30);
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DEFINE_X86_MACRO(PRECISION_CONTROL_MASK, 0xC0);
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DEFINE_X86_MACRO(PRECISION_CONTROL_EXTENDED, 0);
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DEFINE_X86_MACRO(PRECISION_CONTROL_DOUBLE, 0x80);
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DEFINE_X86_MACRO(PRECISION_CONTROL_SINGLE, 0x40);
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DEFINE_X86_MACRO(PRECISION_CONTROL_UNDEFINED, 0xC0);
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DEFINE_X86_MACRO(CW_RESET, 0x0040);
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DEFINE_X86_MACRO(CW_FINIT, 0x037F);
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DEFINE_X86_MACRO(SW_RESET, 0x0000);
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DEFINE_X86_MACRO(SW_FINIT, 0x0000);
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DEFINE_X86_MACRO(TW_RESET, 0x5555);
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DEFINE_X86_MACRO(TW_FINIT, 0x0FFF);
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DEFINE_X86_MACRO(CW_X, 0x1000);
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DEFINE_X86_MACRO(CW_RC_ZERO, 0x0C00);
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DEFINE_X86_MACRO(CW_RC_UP, 0x0800);
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DEFINE_X86_MACRO(CW_RC_DOWN, 0x0400);
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DEFINE_X86_MACRO(CW_RC_NEAR, 0x0000);
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DEFINE_X86_MACRO(CW_PC_EXTENDED, 0x0300);
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DEFINE_X86_MACRO(CW_PC_DOUBLE, 0x0200);
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DEFINE_X86_MACRO(CW_PC_RESERVED, 0x0100);
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DEFINE_X86_MACRO(CW_PC_SINGLE, 0x0000);
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DEFINE_X86_MACRO(CW_PM, 0x0020);
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DEFINE_X86_MACRO(CW_UM, 0x0010);
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DEFINE_X86_MACRO(CW_OM, 0x0008);
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DEFINE_X86_MACRO(CW_ZM, 0x0004);
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DEFINE_X86_MACRO(CW_DM, 0x0002);
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DEFINE_X86_MACRO(CW_IM, 0x0001);
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DEFINE_X86_MACRO(SW_B, 0x8000);
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DEFINE_X86_MACRO(SW_C3, 0x4000);
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DEFINE_X86_MACRO(SW_TOP_7, 0x3800);
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DEFINE_X86_MACRO(SW_TOP_6, 0x3000);
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DEFINE_X86_MACRO(SW_TOP_5, 0x2800);
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DEFINE_X86_MACRO(SW_TOP_4, 0x2000);
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DEFINE_X86_MACRO(SW_TOP_3, 0x1800);
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DEFINE_X86_MACRO(SW_TOP_2, 0x1000);
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DEFINE_X86_MACRO(SW_TOP_1, 0x0800);
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DEFINE_X86_MACRO(SW_TOP_0, 0x0000);
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DEFINE_X86_MACRO(SW_C2, 0x0400);
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DEFINE_X86_MACRO(SW_C1, 0x0200);
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DEFINE_X86_MACRO(SW_C0, 0x0100);
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DEFINE_X86_MACRO(SW_ES, 0x0080);
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DEFINE_X86_MACRO(SW_SF, 0x0040);
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DEFINE_X86_MACRO(SW_PE, 0x0020);
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DEFINE_X86_MACRO(SW_UE, 0x0010);
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DEFINE_X86_MACRO(SW_OE, 0x0008);
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DEFINE_X86_MACRO(SW_ZE, 0x0004);
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DEFINE_X86_MACRO(SW_DE, 0x0002);
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DEFINE_X86_MACRO(SW_IE, 0x0001);
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DEFINE_X86_MACRO(X86_ROUNDING_MODE, 0x0C00);
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DEFINE_X86_MACRO(X86_ROUNDING_PRECISION, 0x0300);
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#undef DEFINE_X86_MACRO
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