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
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
|
/*
* (C) Copyright 2000-2002
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <config.h>
#include <common.h>
#include <linux/ctype.h>
#include <asm/io.h>
int display_options (void)
{
extern char version_string[];
#if defined(BUILD_TAG)
printf ("\n\n%s, Build: %s\n\n", version_string, BUILD_TAG);
#else
printf ("\n\n%s\n\n", version_string);
#endif
return 0;
}
/*
* print sizes as "xxx kB", "xxx.y kB", "xxx MB", "xxx.y MB",
* xxx GB, or xxx.y GB as needed; allow for optional trailing string
* (like "\n")
*/
void print_size (phys_size_t size, const char *s)
{
unsigned long m = 0, n;
unsigned long long d = 1 << 30; /* 1 GB */
char c = 'G';
if (size < d) { /* try MB */
c = 'M';
d = 1 << 20;
if (size < d) { /* print in kB */
c = 'k';
d = 1 << 10;
}
}
n = size / d;
/* If there's a remainder, deal with it */
if(size % d) {
m = (10 * (size - (n * d)) + (d / 2) ) / d;
if (m >= 10) {
m -= 10;
n += 1;
}
}
printf ("%2ld", n);
if (m) {
printf (".%ld", m);
}
printf (" %cB%s", c, s);
}
/*
* Print data buffer in hex and ascii form to the terminal.
*
* data reads are buffered so that each memory address is only read once.
* Useful when displaying the contents of volatile registers.
*
* parameters:
* addr: Starting address to display at start of line
* data: pointer to data buffer
* width: data value width. May be 1, 2, or 4.
* count: number of values to display
* linelen: Number of values to print per line; specify 0 for default length
*/
#define MAX_LINE_LENGTH_BYTES (64)
#define DEFAULT_LINE_LENGTH_BYTES (16)
int print_buffer (ulong addr, void* data, uint width, uint count, uint linelen)
{
uint8_t linebuf[MAX_LINE_LENGTH_BYTES];
uint32_t *uip = (void*)linebuf;
uint16_t *usp = (void*)linebuf;
uint8_t *ucp = (void*)linebuf;
int i;
if (linelen*width > MAX_LINE_LENGTH_BYTES)
linelen = MAX_LINE_LENGTH_BYTES / width;
if (linelen < 1)
linelen = DEFAULT_LINE_LENGTH_BYTES / width;
while (count) {
printf("%08lx:", addr);
/* check for overflow condition */
if (count < linelen)
linelen = count;
/* Copy from memory into linebuf and print hex values */
for (i = 0; i < linelen; i++) {
if (width == 4) {
uip[i] = *(volatile uint32_t *)data;
printf(" %08x", uip[i]);
} else if (width == 2) {
usp[i] = *(volatile uint16_t *)data;
printf(" %04x", usp[i]);
} else {
ucp[i] = *(volatile uint8_t *)data;
printf(" %02x", ucp[i]);
}
data += width;
}
/* Print data in ASCII characters */
puts(" ");
for (i = 0; i < linelen * width; i++)
putc(isprint(ucp[i]) && (ucp[i] < 0x80) ? ucp[i] : '.');
putc ('\n');
/* update references */
addr += linelen * width;
count -= linelen;
if (ctrlc())
return -1;
}
return 0;
}
|
