Files
86Box/src/include/86box/io.h
2021-10-18 21:59:12 -03:00

121 lines
4.6 KiB
C

/*
* 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 I/O handler.
*
*
*
* Authors: Sarah Walker, <http://pcem-emulator.co.uk/>
* Miran Grca, <mgrca8@gmail.com>
* Fred N. van Kempen, <decwiz@yahoo.com>
*
* Copyright 2008-2017 Sarah Walker.
* Copyright 2016,2017 Miran Grca.
*/
#ifndef EMU_IO_H
# define EMU_IO_H
extern void io_init(void);
extern void io_sethandler_common(uint16_t base, int size,
uint8_t (*inb)(uint16_t addr, void *priv),
uint16_t (*inw)(uint16_t addr, void *priv),
uint32_t (*inl)(uint16_t addr, void *priv),
void (*outb)(uint16_t addr, uint8_t val, void *priv),
void (*outw)(uint16_t addr, uint16_t val, void *priv),
void (*outl)(uint16_t addr, uint32_t val, void *priv),
void *priv, int step);
extern void io_removehandler_common(uint16_t base, int size,
uint8_t (*inb)(uint16_t addr, void *priv),
uint16_t (*inw)(uint16_t addr, void *priv),
uint32_t (*inl)(uint16_t addr, void *priv),
void (*outb)(uint16_t addr, uint8_t val, void *priv),
void (*outw)(uint16_t addr, uint16_t val, void *priv),
void (*outl)(uint16_t addr, uint32_t val, void *priv),
void *priv, int step);
extern void io_handler_common(int set, uint16_t base, int size,
uint8_t (*inb)(uint16_t addr, void *priv),
uint16_t (*inw)(uint16_t addr, void *priv),
uint32_t (*inl)(uint16_t addr, void *priv),
void (*outb)(uint16_t addr, uint8_t val, void *priv),
void (*outw)(uint16_t addr, uint16_t val, void *priv),
void (*outl)(uint16_t addr, uint32_t val, void *priv),
void *priv, int step);
extern void io_sethandler(uint16_t base, int size,
uint8_t (*inb)(uint16_t addr, void *priv),
uint16_t (*inw)(uint16_t addr, void *priv),
uint32_t (*inl)(uint16_t addr, void *priv),
void (*outb)(uint16_t addr, uint8_t val, void *priv),
void (*outw)(uint16_t addr, uint16_t val, void *priv),
void (*outl)(uint16_t addr, uint32_t val, void *priv),
void *priv);
extern void io_removehandler(uint16_t base, int size,
uint8_t (*inb)(uint16_t addr, void *priv),
uint16_t (*inw)(uint16_t addr, void *priv),
uint32_t (*inl)(uint16_t addr, void *priv),
void (*outb)(uint16_t addr, uint8_t val, void *priv),
void (*outw)(uint16_t addr, uint16_t val, void *priv),
void (*outl)(uint16_t addr, uint32_t val, void *priv),
void *priv);
extern void io_handler(int set, uint16_t base, int size,
uint8_t (*inb)(uint16_t addr, void *priv),
uint16_t (*inw)(uint16_t addr, void *priv),
uint32_t (*inl)(uint16_t addr, void *priv),
void (*outb)(uint16_t addr, uint8_t val, void *priv),
void (*outw)(uint16_t addr, uint16_t val, void *priv),
void (*outl)(uint16_t addr, uint32_t val, void *priv),
void *priv);
extern void io_sethandler_interleaved(uint16_t base, int size,
uint8_t (*inb)(uint16_t addr, void *priv),
uint16_t (*inw)(uint16_t addr, void *priv),
uint32_t (*inl)(uint16_t addr, void *priv),
void (*outb)(uint16_t addr, uint8_t val, void *priv),
void (*outw)(uint16_t addr, uint16_t val, void *priv),
void (*outl)(uint16_t addr, uint32_t val, void *priv),
void *priv);
extern void io_removehandler_interleaved(uint16_t base, int size,
uint8_t (*inb)(uint16_t addr, void *priv),
uint16_t (*inw)(uint16_t addr, void *priv),
uint32_t (*inl)(uint16_t addr, void *priv),
void (*outb)(uint16_t addr, uint8_t val, void *priv),
void (*outw)(uint16_t addr, uint16_t val, void *priv),
void (*outl)(uint16_t addr, uint32_t val, void *priv),
void *priv);
extern void io_handler_interleaved(int set, uint16_t base, int size,
uint8_t (*inb)(uint16_t addr, void *priv),
uint16_t (*inw)(uint16_t addr, void *priv),
uint32_t (*inl)(uint16_t addr, void *priv),
void (*outb)(uint16_t addr, uint8_t val, void *priv),
void (*outw)(uint16_t addr, uint16_t val, void *priv),
void (*outl)(uint16_t addr, uint32_t val, void *priv),
void *priv);
extern uint8_t inb(uint16_t port);
extern void outb(uint16_t port, uint8_t val);
extern uint16_t inw(uint16_t port);
extern void outw(uint16_t port, uint16_t val);
extern uint32_t inl(uint16_t port);
extern void outl(uint16_t port, uint32_t val);
extern void *io_trap_add(void (*func)(int size, uint16_t addr, uint8_t write, uint8_t val, void *priv),
void *priv);
extern void io_trap_remap(void *handle, int enable, uint16_t addr, uint16_t size);
extern void io_trap_remove(void *handle);
#endif /*EMU_IO_H*/