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,
26 #include <linux/ctype.h>
29 int display_options (void)
31 extern char version_string
[];
33 #if defined(BUILD_TAG)
34 printf ("\n\n%s, Build: %s\n\n", version_string
, BUILD_TAG
);
36 printf ("\n\n%s\n\n", version_string
);
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
46 void print_size(unsigned long long size
, const char *s
)
48 unsigned long m
= 0, n
;
49 static const char names
[] = {'E', 'P', 'T', 'G', 'M', 'K'};
50 unsigned long long d
= 1ULL << (10 * ARRAY_SIZE(names
));
54 for (i
= 0; i
< ARRAY_SIZE(names
); i
++, d
>>= 10) {
62 printf("%llu Bytes%s", size
, s
);
68 /* If there's a remainder, deal with it */
70 m
= (10 * (size
- (n
* d
)) + (d
/ 2) ) / d
;
82 printf (" %ciB%s", c
, s
);
86 * Print data buffer in hex and ascii form to the terminal.
88 * data reads are buffered so that each memory address is only read once.
89 * Useful when displaying the contents of volatile registers.
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
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
)
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
;
108 if (linelen
*width
> MAX_LINE_LENGTH_BYTES
)
109 linelen
= MAX_LINE_LENGTH_BYTES
/ width
;
111 linelen
= DEFAULT_LINE_LENGTH_BYTES
/ width
;
114 printf("%08lx:", addr
);
116 /* check for overflow condition */
120 /* Copy from memory into linebuf and print hex values */
121 for (i
= 0; i
< linelen
; i
++) {
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
]);
129 ucp
[i
] = *(volatile uint8_t *)data
;
130 printf(" %02x", ucp
[i
]);
135 /* Print data in ASCII characters */
137 for (i
= 0; i
< linelen
* width
; i
++)
138 putc(isprint(ucp
[i
]) && (ucp
[i
] < 0x80) ? ucp
[i
] : '.');
141 /* update references */
142 addr
+= linelen
* width
;