2020-02-29 19:12:23 +01:00
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/*
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* VARCem Virtual ARchaeological Computer EMulator.
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* An emulator of (mostly) x86-based PC systems and devices,
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* using the ISA,EISA,VLB,MCA and PCI system buses, roughly
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* spanning the era between 1981 and 1995.
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*
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* This file is part of the VARCem Project.
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*
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* Definitions for the code generator.
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*
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2020-03-25 00:46:02 +02:00
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*
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2020-02-29 19:12:23 +01:00
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*
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* Authors: Miran Grca, <mgrca8@gmail.com>
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*
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* Copyright 2020 Miran Grca.
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*
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* This program 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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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* 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 this program; if not, write to the:
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*
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* Free Software Foundation, Inc.
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* 59 Temple Place - Suite 330
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* Boston, MA 02111-1307
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* USA.
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*/
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#ifndef _CODEGEN_PUBLIC_H_
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#define _CODEGEN_PUBLIC_H_
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#ifndef USE_NEW_DYNAREC
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#define PAGE_MASK_INDEX_MASK 3
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#define PAGE_MASK_INDEX_SHIFT 10
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#define PAGE_MASK_SHIFT 4
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#else
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#define PAGE_MASK_SHIFT 6
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#endif
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#define PAGE_MASK_MASK 63
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#ifdef USE_NEW_DYNAREC
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#define BLOCK_PC_INVALID 0xffffffff
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#define BLOCK_INVALID 0
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#endif
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extern void codegen_init();
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#ifdef USE_NEW_DYNAREC
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extern void codegen_close();
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#endif
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extern void codegen_flush();
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/*Current physical page of block being recompiled. -1 if no recompilation taking place */
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extern uint32_t recomp_page;
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extern int codegen_in_recompile;
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#endif
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