root / ioport.h @ 658788c5
History | View | Annotate | Download (1.8 kB)
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 */ |