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/*
* (C) Copyright 2000-2002
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <config.h>
#include <common.h>
#include <linux/ctype.h>
#include <asm/io.h>
int display_options (void)
{
extern char version_string[];
#if defined(BUILD_TAG)
printf ("\n\n%s, Build: %s\n\n", version_string, BUILD_TAG);
#else
printf ("\n\n%s\n\n", version_string);
#endif
return 0;
}
/*
* print sizes as "xxx kB", "xxx.y kB", "xxx MB" or "xxx.y MB" as needed;
* allow for optional trailing string (like "\n")
*/
void print_size (ulong size, const char *s)
{
ulong m, n;
ulong d = 1 << 20; /* 1 MB */
char c = 'M';
if (size < d) { /* print in kB */
c = 'k';
d = 1 << 10;
}
n = size / d;
m = (10 * (size - (n * d)) + (d / 2) ) / d;
if (m >= 10) {
m -= 10;
n += 1;
}
printf ("%2ld", n);
if (m) {
printf (".%ld", m);
}
printf (" %cB%s", c, s);
}
/*
* Print data buffer in hex and ascii form to the terminal.
*
* data reads are buffered so that each memory address is only read once.
* Useful when displaying the contents of volatile registers.
*
* parameters:
* addr: Starting address to display at start of line
* data: pointer to data buffer
* width: data value width. May be 1, 2, or 4.
* count: number of values to display
* linelen: Number of values to print per line; specify 0 for default length
*/
#define MAX_LINE_LENGTH_BYTES (64)
#define DEFAULT_LINE_LENGTH_BYTES (16)
int print_buffer (ulong addr, void* data, uint width, uint count, uint linelen)
{
uint8_t linebuf[MAX_LINE_LENGTH_BYTES];
uint32_t *uip = (void*)linebuf;
uint16_t *usp = (void*)linebuf;
uint8_t *ucp = (void*)linebuf;
int i;
if (linelen*width > MAX_LINE_LENGTH_BYTES)
linelen = MAX_LINE_LENGTH_BYTES / width;
if (linelen < 1)
linelen = DEFAULT_LINE_LENGTH_BYTES / width;
while (count) {
printf("%08lx:", addr);
/* check for overflow condition */
if (count < linelen)
linelen = count;
/* Copy from memory into linebuf and print hex values */
for (i = 0; i < linelen; i++) {
if (width == 4) {
uip[i] = *(volatile uint32_t *)data;
printf(" %08x", uip[i]);
} else if (width == 2) {
usp[i] = *(volatile uint16_t *)data;
printf(" %04x", usp[i]);
} else {
ucp[i] = *(volatile uint8_t *)data;
printf(" %02x", ucp[i]);
}
data += width;
}
/* Print data in ASCII characters */
puts(" ");
for (i = 0; i < linelen * width; i++)
putc(isprint(ucp[i]) && (ucp[i] < 0x80) ? ucp[i] : '.');
putc ('\n');
/* update references */
addr += linelen * width;
count -= linelen;
if (ctrlc())
return -1;
}
return 0;
}
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