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32993977 IY |
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/>. |
32993977 IY |
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 | #define MAX_IOPORTS (64 * 1024) | |
d56dd6cf | 30 | #define IOPORTS_MASK (MAX_IOPORTS - 1) |
32993977 IY |
31 | |
32 | /* These should really be in isa.h, but are here to make pc.h happy. */ | |
33 | typedef void (IOPortWriteFunc)(void *opaque, uint32_t address, uint32_t data); | |
34 | typedef uint32_t (IOPortReadFunc)(void *opaque, uint32_t address); | |
35 | ||
36 | int register_ioport_read(int start, int length, int size, | |
37 | IOPortReadFunc *func, void *opaque); | |
38 | int register_ioport_write(int start, int length, int size, | |
39 | IOPortWriteFunc *func, void *opaque); | |
40 | void isa_unassign_ioport(int start, int length); | |
41 | ||
42 | ||
43 | /* NOTE: as these functions may be even used when there is an isa | |
44 | brige on non x86 targets, we always defined them */ | |
45 | #if !defined(NO_CPU_IO_DEFS) && defined(NEED_CPU_H) | |
46 | void cpu_outb(CPUState *env, int addr, int val); | |
47 | void cpu_outw(CPUState *env, int addr, int val); | |
48 | void cpu_outl(CPUState *env, int addr, int val); | |
49 | int cpu_inb(CPUState *env, int addr); | |
50 | int cpu_inw(CPUState *env, int addr); | |
51 | int cpu_inl(CPUState *env, int addr); | |
52 | #endif | |
53 | ||
54 | #endif /* IOPORT_H */ |