qemu/ioport.h

58 lines
2.1 KiB
C

/*
* defines ioport related functions
*
* Copyright (c) 2003 Fabrice Bellard
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
/**************************************************************************
* IO ports API
*/
#ifndef IOPORT_H
#define IOPORT_H
#include "qemu-common.h"
typedef uint32_t pio_addr_t;
#define FMT_pioaddr PRIx32
#define MAX_IOPORTS (64 * 1024)
#define IOPORTS_MASK (MAX_IOPORTS - 1)
/* These should really be in isa.h, but are here to make pc.h happy. */
typedef void (IOPortWriteFunc)(void *opaque, uint32_t address, uint32_t data);
typedef uint32_t (IOPortReadFunc)(void *opaque, uint32_t address);
int register_ioport_read(pio_addr_t start, int length, int size,
IOPortReadFunc *func, void *opaque);
int register_ioport_write(pio_addr_t start, int length, int size,
IOPortWriteFunc *func, void *opaque);
void isa_unassign_ioport(pio_addr_t start, int length);
/* NOTE: as these functions may be even used when there is an isa
brige on non x86 targets, we always defined them */
#if !defined(NO_CPU_IO_DEFS) && defined(NEED_CPU_H)
void cpu_outb(CPUState *env, pio_addr_t addr, uint8_t val);
void cpu_outw(CPUState *env, pio_addr_t addr, uint16_t val);
void cpu_outl(CPUState *env, pio_addr_t addr, uint32_t val);
uint8_t cpu_inb(CPUState *env, pio_addr_t addr);
uint16_t cpu_inw(CPUState *env, pio_addr_t addr);
uint32_t cpu_inl(CPUState *env, pio_addr_t addr);
#endif
#endif /* IOPORT_H */