dc6c43182e
We already do this for lines with all zeroes, so it makes sense to treat all ones the same, for symmetry. Change-Id: I4b637b07a49e0c649331aa200995b474dd9a2682 Signed-off-by: Alexandru Gagniuc <alexandrux.gagniuc@intel.com> Reviewed-on: https://review.coreboot.org/12872 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
85 lines
1.8 KiB
C
85 lines
1.8 KiB
C
/*
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* Copyright 2013 Google Inc.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but without any warranty; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <console/console.h>
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#include <lib.h>
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static int isprint(int c)
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{
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return (c >= 32 && c <= 126);
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}
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void hexdump(const void *memory, size_t length)
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{
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int i;
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uint8_t *line;
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int all_zero = 0;
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int all_one = 0;
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size_t num_bytes;
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for (i = 0; i < length; i += 16) {
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int j;
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num_bytes = MIN(length - i, 16);
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line = ((uint8_t *)memory) + i;
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all_zero++;
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all_one++;
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for (j = 0; j < num_bytes; j++) {
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if (line[j] != 0) {
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all_zero = 0;
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break;
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}
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}
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for (j = 0; j < num_bytes; j++) {
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if (line[j] != 0xff) {
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all_one = 0;
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break;
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}
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}
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if ((all_zero < 2) && (all_one < 2)) {
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printk(BIOS_DEBUG, "%p:", memory + i);
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for (j = 0; j < num_bytes; j++)
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printk(BIOS_DEBUG, " %02x", line[j]);
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for (; j < 16; j++)
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printk(BIOS_DEBUG, " ");
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printk(BIOS_DEBUG, " ");
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for (j = 0; j < num_bytes; j++)
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printk(BIOS_DEBUG, "%c",
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isprint(line[j]) ? line[j] : '.');
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printk(BIOS_DEBUG, "\n");
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} else if ((all_zero == 2) || (all_one == 2)) {
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printk(BIOS_DEBUG, "...\n");
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}
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}
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}
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void hexdump32(char LEVEL, const void *d, size_t len)
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{
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int count = 0;
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while (len > 0) {
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if (count % 8 == 0) {
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printk(LEVEL, "\n");
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printk(LEVEL, "%p:", d);
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}
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printk(LEVEL, " 0x%08lx", *(unsigned long *)d);
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count++;
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len--;
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d += 4;
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}
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printk(LEVEL, "\n\n");
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}
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