1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
|
#include "rwhandler.h"
#include "ioport.h"
#include "cpu-all.h"
#define RWHANDLER_WRITE(name, len, type) \
static void name(void *opaque, type addr, uint32_t value) \
{\
struct ReadWriteHandler *handler = opaque;\
handler->write(handler, addr, value, len);\
}
#define RWHANDLER_READ(name, len, type) \
static uint32_t name(void *opaque, type addr) \
{ \
struct ReadWriteHandler *handler = opaque; \
return handler->read(handler, addr, len); \
}
RWHANDLER_WRITE(cpu_io_memory_simple_writeb, 1, target_phys_addr_t);
RWHANDLER_READ(cpu_io_memory_simple_readb, 1, target_phys_addr_t);
RWHANDLER_WRITE(cpu_io_memory_simple_writew, 2, target_phys_addr_t);
RWHANDLER_READ(cpu_io_memory_simple_readw, 2, target_phys_addr_t);
RWHANDLER_WRITE(cpu_io_memory_simple_writel, 4, target_phys_addr_t);
RWHANDLER_READ(cpu_io_memory_simple_readl, 4, target_phys_addr_t);
static CPUWriteMemoryFunc * const cpu_io_memory_simple_write[] = {
&cpu_io_memory_simple_writeb,
&cpu_io_memory_simple_writew,
&cpu_io_memory_simple_writel,
};
static CPUReadMemoryFunc * const cpu_io_memory_simple_read[] = {
&cpu_io_memory_simple_readb,
&cpu_io_memory_simple_readw,
&cpu_io_memory_simple_readl,
};
int cpu_register_io_memory_simple(struct ReadWriteHandler *handler)
{
if (!handler->read || !handler->write) {
return -1;
}
return cpu_register_io_memory(cpu_io_memory_simple_read,
cpu_io_memory_simple_write,
handler, DEVICE_NATIVE_ENDIAN);
}
RWHANDLER_WRITE(ioport_simple_writeb, 1, uint32_t);
RWHANDLER_READ(ioport_simple_readb, 1, uint32_t);
RWHANDLER_WRITE(ioport_simple_writew, 2, uint32_t);
RWHANDLER_READ(ioport_simple_readw, 2, uint32_t);
RWHANDLER_WRITE(ioport_simple_writel, 4, uint32_t);
RWHANDLER_READ(ioport_simple_readl, 4, uint32_t);
int register_ioport_simple(ReadWriteHandler* handler,
pio_addr_t start, int length, int size)
{
IOPortWriteFunc *write;
IOPortReadFunc *read;
int r;
switch (size) {
case 1:
write = ioport_simple_writeb;
read = ioport_simple_readb;
break;
case 2:
write = ioport_simple_writew;
read = ioport_simple_readw;
break;
default:
write = ioport_simple_writel;
read = ioport_simple_readl;
}
if (handler->write) {
r = register_ioport_write(start, length, size, write, handler);
if (r < 0) {
return r;
}
}
if (handler->read) {
r = register_ioport_read(start, length, size, read, handler);
if (r < 0) {
return r;
}
}
return 0;
}
|