blob: 5ddd94fd5aca4ea8c1f4fe9f0868b46f8fd7f3e5 [file] [log] [blame]
wdenk20e0e232002-09-08 16:09:41 +00001/*
2 * (C) Copyright 2000-2002
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 */
23
Grant Likelyc95c4282007-02-20 09:05:00 +010024#include <config.h>
wdenk20e0e232002-09-08 16:09:41 +000025#include <common.h>
Grant Likelyc95c4282007-02-20 09:05:00 +010026#include <linux/ctype.h>
27#include <asm/io.h>
wdenk20e0e232002-09-08 16:09:41 +000028
29int display_options (void)
30{
31 extern char version_string[];
32
33#if defined(BUILD_TAG)
34 printf ("\n\n%s, Build: %s\n\n", version_string, BUILD_TAG);
35#else
36 printf ("\n\n%s\n\n", version_string);
37#endif
38 return 0;
39}
40
41/*
42 * print sizes as "xxx kB", "xxx.y kB", "xxx MB" or "xxx.y MB" as needed;
43 * allow for optional trailing string (like "\n")
44 */
45void print_size (ulong size, const char *s)
46{
47 ulong m, n;
48 ulong d = 1 << 20; /* 1 MB */
49 char c = 'M';
50
51 if (size < d) { /* print in kB */
52 c = 'k';
53 d = 1 << 10;
54 }
55
56 n = size / d;
57
58 m = (10 * (size - (n * d)) + (d / 2) ) / d;
59
wdenk0d498392003-07-01 21:06:45 +000060 if (m >= 10) {
61 m -= 10;
62 n += 1;
63 }
64
wdenk20e0e232002-09-08 16:09:41 +000065 printf ("%2ld", n);
66 if (m) {
67 printf (".%ld", m);
68 }
69 printf (" %cB%s", c, s);
70}
Grant Likelyc95c4282007-02-20 09:05:00 +010071
72/*
73 * Print data buffer in hex and ascii form to the terminal.
74 *
75 * data reads are buffered so that each memory address is only read once.
76 * Useful when displaying the contents of volatile registers.
77 *
78 * parameters:
79 * addr: Starting address to display at start of line
80 * data: pointer to data buffer
81 * width: data value width. May be 1, 2, or 4.
82 * count: number of values to display
83 * linelen: Number of values to print per line; specify 0 for default length
84 */
85#define MAX_LINE_LENGTH_BYTES (64)
86#define DEFAULT_LINE_LENGTH_BYTES (16)
87int print_buffer (ulong addr, void* data, uint width, uint count, uint linelen)
88{
89 uint8_t linebuf[MAX_LINE_LENGTH_BYTES];
90 uint32_t *uip = (void*)linebuf;
91 uint16_t *usp = (void*)linebuf;
92 uint8_t *ucp = (void*)linebuf;
93 int i;
94
95 if (linelen*width > MAX_LINE_LENGTH_BYTES)
96 linelen = MAX_LINE_LENGTH_BYTES / width;
97 if (linelen < 1)
98 linelen = DEFAULT_LINE_LENGTH_BYTES / width;
99
100 while (count) {
101 printf("%08lx:", addr);
102
103 /* check for overflow condition */
104 if (count < linelen)
105 linelen = count;
106
107 /* Copy from memory into linebuf and print hex values */
108 for (i = 0; i < linelen; i++) {
109 if (width == 4) {
110 uip[i] = *(volatile uint32_t *)data;
111 printf(" %08x", uip[i]);
112 } else if (width == 2) {
113 usp[i] = *(volatile uint16_t *)data;
114 printf(" %04x", usp[i]);
115 } else {
116 ucp[i] = *(volatile uint8_t *)data;
117 printf(" %02x", ucp[i]);
118 }
119 data += width;
120 }
121
122 /* Print data in ASCII characters */
123 puts(" ");
124 for (i = 0; i < linelen * width; i++)
125 putc(isprint(ucp[i]) && (ucp[i] < 0x80) ? ucp[i] : '.');
126 putc ('\n');
127
128 /* update references */
129 addr += linelen * width;
130 count -= linelen;
131
132 if (ctrlc())
133 return -1;
134 }
135
136 return 0;
137}