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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 | /* | |
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 | */ | |
45 | void 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 | ||
0d498393 WD |
60 | if (m >= 10) { |
61 | m -= 10; | |
62 | n += 1; | |
63 | } | |
64 | ||
20e0e233 WD |
65 | printf ("%2ld", n); |
66 | if (m) { | |
67 | printf (".%ld", m); | |
68 | } | |
69 | printf (" %cB%s", c, s); | |
70 | } | |
c95c4280 GL |
71 | |
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) | |
87 | int 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 | } |