/* * 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"); }