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20e0e233 WD |
1 | /* |
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 | ||
c95c4280 | 24 | #include <config.h> |
20e0e233 | 25 | #include <common.h> |
c95c4280 GL |
26 | #include <linux/ctype.h> |
27 | #include <asm/io.h> | |
20e0e233 WD |
28 | |
29 | int 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 | /* | |
4b42c905 TT |
42 | * 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 | |
417faf28 | 44 | * (like "\n") |
20e0e233 | 45 | */ |
4b42c905 | 46 | void print_size(unsigned long long size, const char *s) |
20e0e233 | 47 | { |
52dbac69 | 48 | unsigned long m = 0, n; |
4b42c905 TT |
49 | static const char names[] = {'E', 'P', 'T', 'G', 'M', 'K'}; |
50 | unsigned long long d = 1ULL << (10 * ARRAY_SIZE(names)); | |
51 | char c = 0; | |
52 | unsigned int i; | |
20e0e233 | 53 | |
4b42c905 TT |
54 | for (i = 0; i < ARRAY_SIZE(names); i++, d >>= 10) { |
55 | if (size >= d) { | |
56 | c = names[i]; | |
57 | break; | |
417faf28 | 58 | } |
20e0e233 WD |
59 | } |
60 | ||
4b42c905 TT |
61 | if (!c) { |
62 | printf("%llu Bytes%s", size, s); | |
63 | return; | |
64 | } | |
65 | ||
20e0e233 WD |
66 | n = size / d; |
67 | ||
417faf28 BB |
68 | /* If there's a remainder, deal with it */ |
69 | if(size % d) { | |
70 | m = (10 * (size - (n * d)) + (d / 2) ) / d; | |
20e0e233 | 71 | |
417faf28 BB |
72 | if (m >= 10) { |
73 | m -= 10; | |
74 | n += 1; | |
75 | } | |
0d498393 WD |
76 | } |
77 | ||
4b42c905 | 78 | printf ("%lu", n); |
20e0e233 WD |
79 | if (m) { |
80 | printf (".%ld", m); | |
81 | } | |
4b42c905 | 82 | printf (" %ciB%s", c, s); |
20e0e233 | 83 | } |
c95c4280 GL |
84 | |
85 | /* | |
86 | * Print data buffer in hex and ascii form to the terminal. | |
87 | * | |
88 | * data reads are buffered so that each memory address is only read once. | |
89 | * Useful when displaying the contents of volatile registers. | |
90 | * | |
91 | * parameters: | |
92 | * addr: Starting address to display at start of line | |
93 | * data: pointer to data buffer | |
94 | * width: data value width. May be 1, 2, or 4. | |
95 | * count: number of values to display | |
96 | * linelen: Number of values to print per line; specify 0 for default length | |
97 | */ | |
98 | #define MAX_LINE_LENGTH_BYTES (64) | |
99 | #define DEFAULT_LINE_LENGTH_BYTES (16) | |
100 | int print_buffer (ulong addr, void* data, uint width, uint count, uint linelen) | |
101 | { | |
102 | uint8_t linebuf[MAX_LINE_LENGTH_BYTES]; | |
103 | uint32_t *uip = (void*)linebuf; | |
104 | uint16_t *usp = (void*)linebuf; | |
105 | uint8_t *ucp = (void*)linebuf; | |
106 | int i; | |
107 | ||
108 | if (linelen*width > MAX_LINE_LENGTH_BYTES) | |
109 | linelen = MAX_LINE_LENGTH_BYTES / width; | |
110 | if (linelen < 1) | |
111 | linelen = DEFAULT_LINE_LENGTH_BYTES / width; | |
112 | ||
113 | while (count) { | |
114 | printf("%08lx:", addr); | |
115 | ||
116 | /* check for overflow condition */ | |
117 | if (count < linelen) | |
118 | linelen = count; | |
119 | ||
120 | /* Copy from memory into linebuf and print hex values */ | |
121 | for (i = 0; i < linelen; i++) { | |
122 | if (width == 4) { | |
123 | uip[i] = *(volatile uint32_t *)data; | |
124 | printf(" %08x", uip[i]); | |
125 | } else if (width == 2) { | |
126 | usp[i] = *(volatile uint16_t *)data; | |
127 | printf(" %04x", usp[i]); | |
128 | } else { | |
129 | ucp[i] = *(volatile uint8_t *)data; | |
130 | printf(" %02x", ucp[i]); | |
131 | } | |
132 | data += width; | |
133 | } | |
134 | ||
135 | /* Print data in ASCII characters */ | |
136 | puts(" "); | |
137 | for (i = 0; i < linelen * width; i++) | |
138 | putc(isprint(ucp[i]) && (ucp[i] < 0x80) ? ucp[i] : '.'); | |
139 | putc ('\n'); | |
140 | ||
141 | /* update references */ | |
142 | addr += linelen * width; | |
143 | count -= linelen; | |
144 | ||
145 | if (ctrlc()) | |
146 | return -1; | |
147 | } | |
148 | ||
149 | return 0; | |
150 | } |