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 kB", "xxx.y kB", "xxx MB", "xxx.y MB",
43 * xxx GB, or xxx.y GB as needed; allow for optional trailing string
46 void print_size (phys_size_t size
, const char *s
)
49 phys_size_t d
= 1 << 30; /* 1 GB */
52 if (size
< d
) { /* try MB */
55 if (size
< d
) { /* print in kB */
63 /* If there's a remainder, deal with it */
65 m
= (10 * (size
- (n
* d
)) + (d
/ 2) ) / d
;
77 printf (" %cB%s", c
, s
);
81 * Print data buffer in hex and ascii form to the terminal.
83 * data reads are buffered so that each memory address is only read once.
84 * Useful when displaying the contents of volatile registers.
87 * addr: Starting address to display at start of line
88 * data: pointer to data buffer
89 * width: data value width. May be 1, 2, or 4.
90 * count: number of values to display
91 * linelen: Number of values to print per line; specify 0 for default length
93 #define MAX_LINE_LENGTH_BYTES (64)
94 #define DEFAULT_LINE_LENGTH_BYTES (16)
95 int print_buffer (ulong addr
, void* data
, uint width
, uint count
, uint linelen
)
97 uint8_t linebuf
[MAX_LINE_LENGTH_BYTES
];
98 uint32_t *uip
= (void*)linebuf
;
99 uint16_t *usp
= (void*)linebuf
;
100 uint8_t *ucp
= (void*)linebuf
;
103 if (linelen
*width
> MAX_LINE_LENGTH_BYTES
)
104 linelen
= MAX_LINE_LENGTH_BYTES
/ width
;
106 linelen
= DEFAULT_LINE_LENGTH_BYTES
/ width
;
109 printf("%08lx:", addr
);
111 /* check for overflow condition */
115 /* Copy from memory into linebuf and print hex values */
116 for (i
= 0; i
< linelen
; i
++) {
118 uip
[i
] = *(volatile uint32_t *)data
;
119 printf(" %08x", uip
[i
]);
120 } else if (width
== 2) {
121 usp
[i
] = *(volatile uint16_t *)data
;
122 printf(" %04x", usp
[i
]);
124 ucp
[i
] = *(volatile uint8_t *)data
;
125 printf(" %02x", ucp
[i
]);
130 /* Print data in ASCII characters */
132 for (i
= 0; i
< linelen
* width
; i
++)
133 putc(isprint(ucp
[i
]) && (ucp
[i
] < 0x80) ? ucp
[i
] : '.');
136 /* update references */
137 addr
+= linelen
* width
;