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/*
* Copyright 2013 Google Inc.
*
* 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.
*/
#include <console/console.h>
#include <lib.h>
static int isprint(int c)
{
return (c >= 32 && c <= 126);
}
void hexdump(const void *memory, size_t length)
{
int i;
uint8_t *line;
int all_zero = 0;
int all_one = 0;
size_t num_bytes;
for (i = 0; i < length; i += 16) {
int j;
num_bytes = MIN(length - i, 16);
line = ((uint8_t *)memory) + i;
all_zero++;
all_one++;
for (j = 0; j < num_bytes; j++) {
if (line[j] != 0) {
all_zero = 0;
break;
}
}
for (j = 0; j < num_bytes; j++) {
if (line[j] != 0xff) {
all_one = 0;
break;
}
}
if ((all_zero < 2) && (all_one < 2)) {
printk(BIOS_DEBUG, "%p:", memory + i);
for (j = 0; j < num_bytes; j++)
printk(BIOS_DEBUG, " %02x", line[j]);
for (; j < 16; j++)
printk(BIOS_DEBUG, " ");
printk(BIOS_DEBUG, " ");
for (j = 0; j < num_bytes; j++)
printk(BIOS_DEBUG, "%c",
isprint(line[j]) ? line[j] : '.');
printk(BIOS_DEBUG, "\n");
} else if ((all_zero == 2) || (all_one == 2)) {
printk(BIOS_DEBUG, "...\n");
}
}
}
void hexdump32(char LEVEL, const void *d, size_t len)
{
int count = 0;
while (len > 0) {
if (count % 8 == 0) {
printk(LEVEL, "\n");
printk(LEVEL, "%p:", d);
}
printk(LEVEL, " 0x%08lx", *(unsigned long *)d);
count++;
len--;
d += 4;
}
printk(LEVEL, "\n\n");
}
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