blob: a711425b906ae03a06849831ce718b11204196a5 [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/*
Timur Tabi4b42c902010-04-13 13:16:03 -050042 * print sizes as "xxx KiB", "xxx.y KiB", "xxx MiB", "xxx.y MiB",
43 * xxx GiB, xxx.y GiB, etc as needed; allow for optional trailing string
Becky Bruce417faf22008-07-09 11:09:41 -050044 * (like "\n")
wdenk20e0e232002-09-08 16:09:41 +000045 */
Timur Tabi4b42c902010-04-13 13:16:03 -050046void print_size(unsigned long long size, const char *s)
wdenk20e0e232002-09-08 16:09:41 +000047{
Timur Tabi52dbac62010-04-13 13:16:02 -050048 unsigned long m = 0, n;
Nick Thompsonf2d76ae2010-05-11 11:29:52 +010049 unsigned long long f;
Timur Tabi4b42c902010-04-13 13:16:03 -050050 static const char names[] = {'E', 'P', 'T', 'G', 'M', 'K'};
Nick Thompsonf2d76ae2010-05-11 11:29:52 +010051 unsigned long d = 10 * ARRAY_SIZE(names);
Timur Tabi4b42c902010-04-13 13:16:03 -050052 char c = 0;
53 unsigned int i;
wdenk20e0e232002-09-08 16:09:41 +000054
Nick Thompsonf2d76ae2010-05-11 11:29:52 +010055 for (i = 0; i < ARRAY_SIZE(names); i++, d -= 10) {
56 if (size >> d) {
Timur Tabi4b42c902010-04-13 13:16:03 -050057 c = names[i];
58 break;
Becky Bruce417faf22008-07-09 11:09:41 -050059 }
wdenk20e0e232002-09-08 16:09:41 +000060 }
61
Timur Tabi4b42c902010-04-13 13:16:03 -050062 if (!c) {
63 printf("%llu Bytes%s", size, s);
64 return;
65 }
66
Nick Thompsonf2d76ae2010-05-11 11:29:52 +010067 n = size >> d;
68 f = size & ((1ULL << d) - 1);
wdenk20e0e232002-09-08 16:09:41 +000069
Becky Bruce417faf22008-07-09 11:09:41 -050070 /* If there's a remainder, deal with it */
Nick Thompsonf2d76ae2010-05-11 11:29:52 +010071 if (f) {
72 m = (10ULL * f + (1ULL << (d - 1))) >> d;
wdenk20e0e232002-09-08 16:09:41 +000073
Becky Bruce417faf22008-07-09 11:09:41 -050074 if (m >= 10) {
75 m -= 10;
76 n += 1;
77 }
wdenk0d498392003-07-01 21:06:45 +000078 }
79
Timur Tabi4b42c902010-04-13 13:16:03 -050080 printf ("%lu", n);
wdenk20e0e232002-09-08 16:09:41 +000081 if (m) {
82 printf (".%ld", m);
83 }
Timur Tabi4b42c902010-04-13 13:16:03 -050084 printf (" %ciB%s", c, s);
wdenk20e0e232002-09-08 16:09:41 +000085}
Grant Likelyc95c4282007-02-20 09:05:00 +010086
87/*
88 * Print data buffer in hex and ascii form to the terminal.
89 *
90 * data reads are buffered so that each memory address is only read once.
91 * Useful when displaying the contents of volatile registers.
92 *
93 * parameters:
94 * addr: Starting address to display at start of line
95 * data: pointer to data buffer
96 * width: data value width. May be 1, 2, or 4.
97 * count: number of values to display
98 * linelen: Number of values to print per line; specify 0 for default length
99 */
100#define MAX_LINE_LENGTH_BYTES (64)
101#define DEFAULT_LINE_LENGTH_BYTES (16)
102int print_buffer (ulong addr, void* data, uint width, uint count, uint linelen)
103{
104 uint8_t linebuf[MAX_LINE_LENGTH_BYTES];
105 uint32_t *uip = (void*)linebuf;
106 uint16_t *usp = (void*)linebuf;
107 uint8_t *ucp = (void*)linebuf;
108 int i;
109
110 if (linelen*width > MAX_LINE_LENGTH_BYTES)
111 linelen = MAX_LINE_LENGTH_BYTES / width;
112 if (linelen < 1)
113 linelen = DEFAULT_LINE_LENGTH_BYTES / width;
114
115 while (count) {
116 printf("%08lx:", addr);
117
118 /* check for overflow condition */
119 if (count < linelen)
120 linelen = count;
121
122 /* Copy from memory into linebuf and print hex values */
123 for (i = 0; i < linelen; i++) {
124 if (width == 4) {
125 uip[i] = *(volatile uint32_t *)data;
126 printf(" %08x", uip[i]);
127 } else if (width == 2) {
128 usp[i] = *(volatile uint16_t *)data;
129 printf(" %04x", usp[i]);
130 } else {
131 ucp[i] = *(volatile uint8_t *)data;
132 printf(" %02x", ucp[i]);
133 }
134 data += width;
135 }
136
137 /* Print data in ASCII characters */
138 puts(" ");
139 for (i = 0; i < linelen * width; i++)
140 putc(isprint(ucp[i]) && (ucp[i] < 0x80) ? ucp[i] : '.');
141 putc ('\n');
142
143 /* update references */
144 addr += linelen * width;
145 count -= linelen;
146
147 if (ctrlc())
148 return -1;
149 }
150
151 return 0;
152}