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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
8167ee88 17 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
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18 */
19
20/**************************************************************************
21 * IO ports API
22 */
23
24#ifndef IOPORT_H
25#define IOPORT_H
26
27#include "qemu-common.h"
28
99a0949b 29typedef uint32_t a_pio_addr;
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30#define FMT_pioaddr PRIx32
31
32993977 32#define MAX_IOPORTS (64 * 1024)
d56dd6cf 33#define IOPORTS_MASK (MAX_IOPORTS - 1)
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34
35/* These should really be in isa.h, but are here to make pc.h happy. */
36typedef void (IOPortWriteFunc)(void *opaque, uint32_t address, uint32_t data);
37typedef uint32_t (IOPortReadFunc)(void *opaque, uint32_t address);
38
99a0949b 39int register_ioport_read(a_pio_addr start, int length, int size,
32993977 40 IOPortReadFunc *func, void *opaque);
99a0949b 41int register_ioport_write(a_pio_addr start, int length, int size,
32993977 42 IOPortWriteFunc *func, void *opaque);
99a0949b 43void isa_unassign_ioport(a_pio_addr start, int length);
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44
45
99a0949b 46void cpu_outb(a_pio_addr addr, uint8_t val);
47void cpu_outw(a_pio_addr addr, uint16_t val);
48void cpu_outl(a_pio_addr addr, uint32_t val);
49uint8_t cpu_inb(a_pio_addr addr);
50uint16_t cpu_inw(a_pio_addr addr);
51uint32_t cpu_inl(a_pio_addr addr);
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52
53#endif /* IOPORT_H */