2 * (C) Copyright 2000-2002
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * See file CREDITS for list of people who contributed to this
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.
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.
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,
27 #include <linux/ctype.h>
30 int display_options (void)
32 #if defined(BUILD_TAG)
33 printf ("\n\n%s, Build: %s\n\n", version_string
, BUILD_TAG
);
35 printf ("\n\n%s\n\n", version_string
);
41 * print sizes as "xxx KiB", "xxx.y KiB", "xxx MiB", "xxx.y MiB",
42 * xxx GiB, xxx.y GiB, etc as needed; allow for optional trailing string
45 void print_size(unsigned long long size
, const char *s
)
47 unsigned long m
= 0, n
;
49 static const char names
[] = {'E', 'P', 'T', 'G', 'M', 'K'};
50 unsigned long d
= 10 * ARRAY_SIZE(names
);
54 for (i
= 0; i
< ARRAY_SIZE(names
); i
++, d
-= 10) {
62 printf("%llu Bytes%s", size
, s
);
67 f
= size
& ((1ULL << d
) - 1);
69 /* If there's a remainder, deal with it */
71 m
= (10ULL * f
+ (1ULL << (d
- 1))) >> d
;
83 printf (" %ciB%s", c
, s
);
87 * Print data buffer in hex and ascii form to the terminal.
89 * data reads are buffered so that each memory address is only read once.
90 * Useful when displaying the contents of volatile registers.
93 * addr: Starting address to display at start of line
94 * data: pointer to data buffer
95 * width: data value width. May be 1, 2, or 4.
96 * count: number of values to display
97 * linelen: Number of values to print per line; specify 0 for default length
99 #define MAX_LINE_LENGTH_BYTES (64)
100 #define DEFAULT_LINE_LENGTH_BYTES (16)
101 int print_buffer(ulong addr
, const void *data
, uint width
, uint count
,
104 /* linebuf as a union causes proper alignment */
106 uint32_t ui
[MAX_LINE_LENGTH_BYTES
/sizeof(uint32_t) + 1];
107 uint16_t us
[MAX_LINE_LENGTH_BYTES
/sizeof(uint16_t) + 1];
108 uint8_t uc
[MAX_LINE_LENGTH_BYTES
/sizeof(uint8_t) + 1];
112 if (linelen
*width
> MAX_LINE_LENGTH_BYTES
)
113 linelen
= MAX_LINE_LENGTH_BYTES
/ width
;
115 linelen
= DEFAULT_LINE_LENGTH_BYTES
/ width
;
118 uint thislinelen
= linelen
;
119 printf("%08lx:", addr
);
121 /* check for overflow condition */
122 if (count
< thislinelen
)
125 /* Copy from memory into linebuf and print hex values */
126 for (i
= 0; i
< thislinelen
; i
++) {
129 x
= lb
.ui
[i
] = *(volatile uint32_t *)data
;
131 x
= lb
.us
[i
] = *(volatile uint16_t *)data
;
133 x
= lb
.uc
[i
] = *(volatile uint8_t *)data
;
134 printf(" %0*x", width
* 2, x
);
138 while (thislinelen
< linelen
) {
139 /* fill line with whitespace for nice ASCII print */
140 for (i
=0; i
<width
*2+1; i
++)
145 /* Print data in ASCII characters */
146 for (i
= 0; i
< thislinelen
* width
; i
++) {
147 if (!isprint(lb
.uc
[i
]) || lb
.uc
[i
] >= 0x80)
151 printf(" %s\n", lb
.uc
);
153 /* update references */
154 addr
+= thislinelen
* width
;
155 count
-= thislinelen
;