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68396ea @rmustacc Initial commit of d32e8d0b8d9e0ef7cf7ab2e74548982972789dfc from qemu-kvm
rmustacc authored
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 #include "iorange.h"
29
30 typedef uint32_t pio_addr_t;
31 #define FMT_pioaddr PRIx32
32
33 #define MAX_IOPORTS (64 * 1024)
34 #define IOPORTS_MASK (MAX_IOPORTS - 1)
35
36 /* These should really be in isa.h, but are here to make pc.h happy. */
37 typedef void (IOPortWriteFunc)(void *opaque, uint32_t address, uint32_t data);
38 typedef uint32_t (IOPortReadFunc)(void *opaque, uint32_t address);
39
40 void ioport_register(IORange *iorange);
41 int register_ioport_read(pio_addr_t start, int length, int size,
42 IOPortReadFunc *func, void *opaque);
43 int register_ioport_write(pio_addr_t start, int length, int size,
44 IOPortWriteFunc *func, void *opaque);
45 void isa_unassign_ioport(pio_addr_t start, int length);
46
47
48 void cpu_outb(pio_addr_t addr, uint8_t val);
49 void cpu_outw(pio_addr_t addr, uint16_t val);
50 void cpu_outl(pio_addr_t addr, uint32_t val);
51 uint8_t cpu_inb(pio_addr_t addr);
52 uint16_t cpu_inw(pio_addr_t addr);
53 uint32_t cpu_inl(pio_addr_t addr);
54
55 #endif /* IOPORT_H */
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