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
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
|
/*
* (C) Copyright 2001
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifdef ECC_TEST
static inline void ecc_off (void)
{
*(volatile int *) (INTERNAL_REG_BASE_ADDR + 0x4b4) &= ~0x00200000;
}
static inline void ecc_on (void)
{
*(volatile int *) (INTERNAL_REG_BASE_ADDR + 0x4b4) |= 0x00200000;
}
static int putshex (const char *buf, int len)
{
int i;
for (i = 0; i < len; i++) {
printf ("%02x", buf[i]);
}
return 0;
}
static int char_memcpy (void *d, const void *s, int len)
{
int i;
char *cd = d;
const char *cs = s;
for (i = 0; i < len; i++) {
*(cd++) = *(cs++);
}
return 0;
}
static int memory_test (char *buf)
{
const char src[][16] = {
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
{0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01},
{0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
0x02, 0x02, 0x02, 0x02, 0x02, 0x02},
{0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04,
0x04, 0x04, 0x04, 0x04, 0x04, 0x04},
{0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08,
0x08, 0x08, 0x08, 0x08, 0x08, 0x08},
{0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10,
0x10, 0x10, 0x10, 0x10, 0x10, 0x10},
{0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20},
{0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40,
0x40, 0x40, 0x40, 0x40, 0x40, 0x40},
{0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
0x80, 0x80, 0x80, 0x80, 0x80, 0x80},
{0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55,
0x55, 0x55, 0x55, 0x55, 0x55, 0x55},
{0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa},
{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff}
};
const int foo[] = { 0 };
int i, j, a;
printf ("\ntest @ %d %p\n", foo[0], buf);
for (i = 0; i < 12; i++) {
for (a = 0; a < 8; a++) {
const char *s = src[i] + a;
int align = (unsigned) (s) & 0x7;
/* ecc_off(); */
memcpy (buf, s, 8);
/* ecc_on(); */
putshex (s, 8);
if (memcmp (buf, s, 8)) {
putc ('\n');
putshex (buf, 8);
printf (" [FAIL] (%p) align=%d\n", s, align);
for (j = 0; j < 8; j++) {
s[j] == buf[j] ? puts (" ") :
printf ("%02x",
(s[j]) ^ (buf[j]));
}
putc ('\n');
} else {
printf (" [PASS] (%p) align=%d\n", s, align);
}
/* ecc_off(); */
char_memcpy (buf, s, 8);
/* ecc_on(); */
putshex (s, 8);
if (memcmp (buf, s, 8)) {
putc ('\n');
putshex (buf, 8);
printf (" [FAIL] (%p) align=%d\n", s, align);
for (j = 0; j < 8; j++) {
s[j] == buf[j] ? puts (" ") :
printf ("%02x",
(s[j]) ^ (buf[j]));
}
putc ('\n');
} else {
printf (" [PASS] (%p) align=%d\n", s, align);
}
}
}
return 0;
}
#endif
|
