/* * 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. */ #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; /* Ensure boot device has been initialized at least once. */ boot_device_init(); boot_dev = boot_device_ro(); if (boot_dev == NULL) return -1; return rdev_chain(subrd, boot_dev, region_offset(sub), region_sz(sub)); }