mirror of https://gitlab.com/qemu-project/qemu
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
78 lines
2.4 KiB
C
78 lines
2.4 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 2.1 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 "exec/memory.h"
|
|
|
|
#define MAX_IOPORTS (64 * 1024)
|
|
#define IOPORTS_MASK (MAX_IOPORTS - 1)
|
|
|
|
typedef struct MemoryRegionPortio {
|
|
uint32_t offset;
|
|
uint32_t len;
|
|
unsigned size;
|
|
uint32_t (*read)(void *opaque, uint32_t address);
|
|
void (*write)(void *opaque, uint32_t address, uint32_t data);
|
|
} MemoryRegionPortio;
|
|
|
|
#define PORTIO_END_OF_LIST() { }
|
|
|
|
#ifndef CONFIG_USER_ONLY
|
|
extern const MemoryRegionOps unassigned_io_ops;
|
|
#endif
|
|
|
|
void cpu_outb(uint32_t addr, uint8_t val);
|
|
void cpu_outw(uint32_t addr, uint16_t val);
|
|
void cpu_outl(uint32_t addr, uint32_t val);
|
|
uint8_t cpu_inb(uint32_t addr);
|
|
uint16_t cpu_inw(uint32_t addr);
|
|
uint32_t cpu_inl(uint32_t addr);
|
|
|
|
typedef struct PortioList {
|
|
const struct MemoryRegionPortio *ports;
|
|
Object *owner;
|
|
struct MemoryRegion *address_space;
|
|
uint32_t addr;
|
|
unsigned nr;
|
|
struct MemoryRegion **regions;
|
|
void *opaque;
|
|
const char *name;
|
|
bool flush_coalesced_mmio;
|
|
} PortioList;
|
|
|
|
void portio_list_init(PortioList *piolist, Object *owner,
|
|
const struct MemoryRegionPortio *callbacks,
|
|
void *opaque, const char *name);
|
|
void portio_list_set_flush_coalesced(PortioList *piolist);
|
|
void portio_list_destroy(PortioList *piolist);
|
|
void portio_list_add(PortioList *piolist,
|
|
struct MemoryRegion *address_space,
|
|
uint32_t addr);
|
|
void portio_list_del(PortioList *piolist);
|
|
void portio_list_set_enabled(PortioList *piolist, bool enabled);
|
|
void portio_list_set_address(PortioList *piolist, uint32_t addr);
|
|
|
|
#endif /* IOPORT_H */
|