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
88
89
90
91
92
93
94
95
96
97
98
99
|
#ifdef HAVE_XORG_CONFIG_H
#include <xorg-config.h>
#endif
#include <X11/X.h>
#include "input.h"
#include "scrnintstr.h"
#include "compiler.h"
#include "xf86.h"
#include "xf86Priv.h"
#include "xf86_OSlib.h"
#include "xf86OSpriv.h"
#include <machine/bwx.h>
/*
* The following functions are used only on EV56 and greater CPUs,
* and the assembler requires going to EV56 mode in order to emit
* these instructions.
*/
__asm(".arch ev56");
int readDense8(pointer Base, register unsigned long Offset);
int readDense16(pointer Base, register unsigned long Offset);
int readDense32(pointer Base, register unsigned long Offset);
void
writeDenseNB8(int Value, pointer Base, register unsigned long Offset);
void
writeDenseNB16(int Value, pointer Base, register unsigned long Offset);
void
writeDenseNB32(int Value, pointer Base, register unsigned long Offset);
void
writeDense8(int Value, pointer Base, register unsigned long Offset);
void
writeDense16(int Value, pointer Base, register unsigned long Offset);
void
writeDense32(int Value, pointer Base, register unsigned long Offset);
int
readDense8(pointer Base, register unsigned long Offset)
{
mem_barrier();
return (alpha_ldbu((pointer) ((unsigned long) Base + (Offset))));
}
int
readDense16(pointer Base, register unsigned long Offset)
{
mem_barrier();
return (alpha_ldwu((pointer) ((unsigned long) Base + (Offset))));
}
int
readDense32(pointer Base, register unsigned long Offset)
{
mem_barrier();
return *(volatile CARD32 *) ((unsigned long) Base + (Offset));
}
void
writeDenseNB8(int Value, pointer Base, register unsigned long Offset)
{
alpha_stb((pointer) ((unsigned long) Base + (Offset)), Value);
}
void
writeDenseNB16(int Value, pointer Base, register unsigned long Offset)
{
alpha_stw((pointer) ((unsigned long) Base + (Offset)), Value);
}
void
writeDenseNB32(int Value, pointer Base, register unsigned long Offset)
{
*(volatile CARD32 *) ((unsigned long) Base + (Offset)) = Value;
}
void
writeDense8(int Value, pointer Base, register unsigned long Offset)
{
write_mem_barrier();
alpha_stb((pointer) ((unsigned long) Base + (Offset)), Value);
}
void
writeDense16(int Value, pointer Base, register unsigned long Offset)
{
write_mem_barrier();
alpha_stw((pointer) ((unsigned long) Base + (Offset)), Value);
}
void
writeDense32(int Value, pointer Base, register unsigned long Offset)
{
write_mem_barrier();
*(volatile CARD32 *) ((unsigned long) Base + (Offset)) = Value;
}
|