86Box/src/cpu/codegen_public.h

/*
 * 86Box    A hypervisor and IBM PC system emulator that specializes in
 *          running old operating systems and software designed for IBM
 *          PC systems and compatibles from 1981 through fairly recent
 *          system designs based on the PCI bus.
 *
 *          This file is part of the 86Box distribution.
 *
 *          Definitions for the code generator.
 *
 *
 *
 * Authors: Miran Grca, <mgrca8@gmail.com>
 *
 *          Copyright 2020 Miran Grca.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free  Software  Foundation; either  version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is  distributed in the hope that it will be useful, but
 * WITHOUT   ANY  WARRANTY;  without  even   the  implied  warranty  of
 * MERCHANTABILITY  or FITNESS  FOR A PARTICULAR  PURPOSE. See  the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the:
 *
 *   Free Software Foundation, Inc.
 *   59 Temple Place - Suite 330
 *   Boston, MA 02111-1307
 *   USA.
 */
#ifndef _CODEGEN_PUBLIC_H_
#define _CODEGEN_PUBLIC_H_

#ifndef USE_NEW_DYNAREC
#    define PAGE_MASK_INDEX_MASK  3
#    define PAGE_MASK_INDEX_SHIFT 10
#    define PAGE_MASK_SHIFT       4
#else
#    define PAGE_MASK_SHIFT 6
#endif
#define PAGE_MASK_MASK 63

#ifdef USE_NEW_DYNAREC
#    define BLOCK_PC_INVALID 0xffffffff
#    define BLOCK_INVALID    0
#endif

extern void codegen_init(void);
#ifdef USE_NEW_DYNAREC
extern void codegen_close(void);
#endif
extern void codegen_flush(void);

/*Current physical page of block being recompiled. -1 if no recompilation taking place */
extern uint32_t recomp_page;
extern int      codegen_in_recompile;

#endif