blob: 533411f6f697b9c34caccf9c58b80448e3bc18e5 (
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/* SPDX-License-Identifier: GPL-2.0-or-later */
#include <console/console.h>
#include <ctype.h>
#include <lib.h>
void hexdump(const void *memory, size_t length)
{
size_t i, j;
uint8_t *line;
int all_zero = 0;
int all_one = 0;
size_t num_bytes;
for (i = 0; i < length; i += 16) {
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");
}
}
}
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