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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 "qemu-common.h"
28 #include "exec/iorange.h"
30 typedef uint32_t pio_addr_t
;
31 #define FMT_pioaddr PRIx32
33 #define MAX_IOPORTS (64 * 1024)
34 #define IOPORTS_MASK (MAX_IOPORTS - 1)
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 typedef void (IOPortDestructor
)(void *opaque
);
41 void ioport_register(IORange
*iorange
);
42 void isa_unassign_ioport(pio_addr_t start
, int length
);
43 bool isa_is_ioport_assigned(pio_addr_t start
);
45 void cpu_outb(pio_addr_t addr
, uint8_t val
);
46 void cpu_outw(pio_addr_t addr
, uint16_t val
);
47 void cpu_outl(pio_addr_t addr
, uint32_t val
);
48 uint8_t cpu_inb(pio_addr_t addr
);
49 uint16_t cpu_inw(pio_addr_t addr
);
50 uint32_t cpu_inl(pio_addr_t addr
);
53 struct MemoryRegionPortio
;
55 typedef struct PortioList
{
56 const struct MemoryRegionPortio
*ports
;
57 struct MemoryRegion
*address_space
;
59 struct MemoryRegion
**regions
;
60 struct MemoryRegion
**aliases
;
65 void portio_list_init(PortioList
*piolist
,
66 const struct MemoryRegionPortio
*callbacks
,
67 void *opaque
, const char *name
);
68 void portio_list_destroy(PortioList
*piolist
);
69 void portio_list_add(PortioList
*piolist
,
70 struct MemoryRegion
*address_space
,
72 void portio_list_del(PortioList
*piolist
);