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
116
117
118
119
120
121
122
123
124
125
126
127
128
|
/* PR target/51623 */
/* { dg-do compile { target { { powerpc*-*-linux* && ilp32 } || { powerpc-*-eabi* powerpc-*-rtems* } } } } */
/* { dg-options "-mrelocatable -ffreestanding" } */
/* This generated an error, since the compiler was calling
unlikely_text_section_p in a context where it wasn't valid. */
typedef long long loff_t;
typedef unsigned size_t;
struct mtd_info {
unsigned writesize;
unsigned oobsize;
const char *name;
};
extern int strcmp(const char *,const char *);
extern int strncmp(const char *,const char *,size_t);
extern char * strchr(const char *,int);
struct cmd_tbl_s {
char *name;
};
int printf(const char *fmt, ...) __attribute__ ((format (__printf__, 1, 2)));
int putc (int);
void* malloc(size_t);
void free(void*);
extern unsigned long simple_strtoul(const char *,char **,unsigned int);
extern int nand_curr_device;
extern struct mtd_info nand_info[];
extern void cmd_usage(struct cmd_tbl_s *);
static int nand_dump(struct mtd_info *nand, unsigned long off, int only_oob)
{
int i;
unsigned char *datbuf, *oobbuf, *p;
datbuf = malloc(nand->writesize + nand->oobsize);
oobbuf = malloc(nand->oobsize);
off &= ~(nand->writesize - 1);
printf("Page %08lx dump:\n", off);
i = nand->writesize >> 4;
p = datbuf;
while (i--) {
if (!only_oob)
printf("\t%02x %02x %02x %02x %02x %02x %02x %02x"
" %02x %02x %02x %02x %02x %02x %02x %02x\n",
p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7],
p[8], p[9], p[10], p[11], p[12], p[13], p[14],
p[15]);
p += 16;
}
i = nand->oobsize >> 3;
free(datbuf);
free(oobbuf);
return 0;
}
int do_nand(struct cmd_tbl_s * cmdtp, int flag, int argc, char *argv[])
{
int dev;
unsigned long off;
char *cmd, *s;
struct mtd_info *nand;
if (argc < 2)
goto usage;
cmd = argv[1];
if (strcmp(cmd, "info") == 0) {
putc('\n');
return 0;
}
if (strcmp(cmd, "device") == 0) {
if (argc < 3) {
putc('\n');
}
dev = (int)simple_strtoul(argv[2], ((void *)0), 10);
nand_curr_device = dev;
return 0;
}
if (strcmp(cmd, "bad") != 0 && strcmp(cmd, "erase") != 0 )
goto usage;
if (nand_curr_device < 0 ) {
return 1;
}
nand = &nand_info[nand_curr_device];
if (strcmp(cmd, "erase") == 0 || strcmp(cmd, "scrub") == 0) {
int clean = argc > 2 && !strcmp("clean", argv[2]);
int scrub = !strcmp(cmd, "scrub");
return 0;
}
if (strncmp(cmd, "dump", 4) == 0) {
if (argc < 3)
goto usage;
s = strchr(cmd, '.');
off = (int)simple_strtoul(argv[2], ((void *)0), 16);
if (s != ((void *)0) && strcmp(s, ".oob") == 0)
nand_dump(nand, off, 1);
else
nand_dump(nand, off, 0);
return 0;
}
usage:
cmd_usage(cmdtp);
return 1;
}
void *ptr = do_nand;
|
