2 * defines ioport related functions
4 * Copyright (c) 2003 Fabrice Bellard
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.
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.
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/>.
20 /**************************************************************************
27 #include "exec/memory.h"
29 #define MAX_IOPORTS (64 * 1024)
30 #define IOPORTS_MASK (MAX_IOPORTS - 1)
32 typedef struct MemoryRegionPortio {
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 */
41 #define PORTIO_END_OF_LIST() { }
43 #ifndef CONFIG_USER_ONLY
44 extern const MemoryRegionOps unassigned_io_ops;
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);
54 typedef struct PortioList {
55 const struct MemoryRegionPortio *ports;
57 struct MemoryRegion *address_space;
59 struct MemoryRegion **regions;
62 bool flush_coalesced_mmio;
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,
73 void portio_list_del(PortioList *piolist);