hypervisor.h

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/* A work-in-progess MEGA65 (Commodore 65 clone origins) emulator
   Part of the Xemu project, please visit: https://github.com/lgblgblgb/xemu
   Copyright (C)2016-2022 LGB (Gábor Lénárt) <lgblgblgb@gmail.com>
 
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 XEMU_MEGA65_HYPERVISOR_H_INCLUDED
#define XEMU_MEGA65_HYPERVISOR_H_INCLUDED
 
#define TRAP_DOS                        0x00
#define TRAP_XEMU                       0x04
#define TRAP_FREEZER_USER_CALL          0x3F
#define TRAP_RESET                      0x40
#define TRAP_FREEZER_RESTORE_PRESS      0x42
#define TRAP_MATRIX                     0x43
 
extern int  in_hypervisor;
extern int  hickup_is_overriden;
extern int  hypervisor_is_debugged;
extern char hyppo_version_string[64];
 
extern int  hypervisor_debug_init ( const char *fn, int hypervisor_debug, int use_hypervisor_serial_out_asciizer );
extern void hypervisor_debug ( void );
 
extern void hypervisor_enter ( int trapno );
extern void hypervisor_enter_via_write_trap ( int trapno );
extern int  hypervisor_queued_enter ( int trapno );
extern void hypervisor_start_machine ( void );
extern int  hypervisor_level_reset ( void );
extern void hypervisor_leave ( void );
extern void hypervisor_serial_monitor_push_char ( Uint8 chr );
extern void hypervisor_debug_invalidate ( const char *reason );
extern void hypervisor_debug_late_enable ( void );
extern int  hypervisor_hdos_virtualization_status ( const int set, const char **root_ptr );     // prototype is here, but it's implemented in hdos.c not in hypervisor.c
extern void hypervisor_hdos_close_descriptors ( void ); // prototype is here, but it's implemented in hdos.c not in hypervisor.c
 
#endif