[qemu.git] / ioport.h

/*
 * 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);


void cpu_outb(pio_addr_t addr, uint8_t val);
void cpu_outw(pio_addr_t addr, uint16_t val);
void cpu_outl(pio_addr_t addr, uint32_t val);
uint8_t cpu_inb(pio_addr_t addr);
uint16_t cpu_inw(pio_addr_t addr);
uint32_t cpu_inl(pio_addr_t addr);

#endif /* IOPORT_H */
Commit	Line	Data
	1	/*
	2	* defines ioport related functions
	3	*
	4	* Copyright (c) 2003 Fabrice Bellard
	5	*
	6	* This library is free software; you can redistribute it and/or
	7	* modify it under the terms of the GNU Lesser General Public
	8	* License as published by the Free Software Foundation; either
	9	* version 2 of the License, or (at your option) any later version.
	10	*
	11	* This library is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	14	* Lesser General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU Lesser General Public
	17	* License along with this library; if not, see <http://www.gnu.org/licenses/>.
	18	*/
	19
	20	/**************************************************************************
	21	* IO ports API
	22	*/
	23
	24	#ifndef IOPORT_H
	25	#define IOPORT_H
	26
	27	#include "qemu-common.h"
	28
	29	typedef uint32_t pio_addr_t;
	30	#define FMT_pioaddr PRIx32
	31
	32	#define MAX_IOPORTS (64 * 1024)
	33	#define IOPORTS_MASK (MAX_IOPORTS - 1)
	34
	35	/* These should really be in isa.h, but are here to make pc.h happy. */
	36	typedef void (IOPortWriteFunc)(void *opaque, uint32_t address, uint32_t data);
	37	typedef uint32_t (IOPortReadFunc)(void *opaque, uint32_t address);
	38
	39	int register_ioport_read(pio_addr_t start, int length, int size,
	40	IOPortReadFunc func, void opaque);
	41	int register_ioport_write(pio_addr_t start, int length, int size,
	42	IOPortWriteFunc func, void opaque);
	43	void isa_unassign_ioport(pio_addr_t start, int length);
	44
	45
	46	void cpu_outb(pio_addr_t addr, uint8_t val);
	47	void cpu_outw(pio_addr_t addr, uint16_t val);
	48	void cpu_outl(pio_addr_t addr, uint32_t val);
	49	uint8_t cpu_inb(pio_addr_t addr);
	50	uint16_t cpu_inw(pio_addr_t addr);
	51	uint32_t cpu_inl(pio_addr_t addr);
	52
	53	#endif /* IOPORT_H */