| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright 2015 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; version 2 of the License. |
| * |
| * 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. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc. |
| */ |
| |
| #include <boot_device.h> |
| |
| void __attribute__((weak)) boot_device_init(void) |
| { |
| /* Provide weak do-nothing init. */ |
| } |
| |
| int boot_device_ro_subregion(const struct region *sub, |
| struct region_device *subrd) |
| { |
| const struct region_device *boot_dev; |
| |
| boot_dev = boot_device_ro(); |
| |
| if (boot_dev == NULL) |
| return -1; |
| |
| return rdev_chain(subrd, boot_dev, region_offset(sub), region_sz(sub)); |
| } |