| /* |
| * 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"); |
| } |