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 "exec/memory.h" |
28 | |
29 | #define MAX_IOPORTS (64 * 1024) |
30 | #define IOPORTS_MASK (MAX_IOPORTS - 1) |
31 | |
32 | typedef struct MemoryRegionPortio { |
33 | uint32_t offset; |
34 | uint32_t len; |
35 | unsigned size; |
36 | uint32_t (*read)(void *opaque, uint32_t address); |
37 | void (*write)(void *opaque, uint32_t address, uint32_t data); |
38 | uint32_t base; /* private field */ |
39 | } MemoryRegionPortio; |
40 | |
41 | #define PORTIO_END_OF_LIST() { } |
42 | |
43 | #ifndef CONFIG_USER_ONLY |
44 | extern const MemoryRegionOps unassigned_io_ops; |
45 | #endif |
46 | |
47 | void cpu_outb(uint32_t addr, uint8_t val); |
48 | void cpu_outw(uint32_t addr, uint16_t val); |
49 | void cpu_outl(uint32_t addr, uint32_t val); |
50 | uint8_t cpu_inb(uint32_t addr); |
51 | uint16_t cpu_inw(uint32_t addr); |
52 | uint32_t cpu_inl(uint32_t addr); |
53 | |
54 | typedef struct PortioList { |
55 | const struct MemoryRegionPortio *ports; |
56 | Object *owner; |
57 | struct MemoryRegion *address_space; |
58 | unsigned nr; |
59 | struct MemoryRegion **regions; |
60 | void *opaque; |
61 | const char *name; |
62 | bool flush_coalesced_mmio; |
63 | } PortioList; |
64 | |
65 | void portio_list_init(PortioList *piolist, Object *owner, |
66 | const struct MemoryRegionPortio *callbacks, |
67 | void *opaque, const char *name); |
68 | void portio_list_set_flush_coalesced(PortioList *piolist); |
69 | void portio_list_destroy(PortioList *piolist); |
70 | void portio_list_add(PortioList *piolist, |
71 | struct MemoryRegion *address_space, |
72 | uint32_t addr); |
73 | void portio_list_del(PortioList *piolist); |
74 | |
75 | #endif /* IOPORT_H */ |
76 | |