diff options
Diffstat (limited to 'src/soc/intel/common/mrc_cache.h')
-rw-r--r-- | src/soc/intel/common/mrc_cache.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/src/soc/intel/common/mrc_cache.h b/src/soc/intel/common/mrc_cache.h new file mode 100644 index 0000000000..14767e52b3 --- /dev/null +++ b/src/soc/intel/common/mrc_cache.h @@ -0,0 +1,41 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2014 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef _COMMON_MRC_CACHE_H_ +#define _COMMON_MRC_CACHE_H_ + +#include <stddef.h> +#include <stdint.h> + +/* Wrapper object to save MRC information. */ +struct mrc_saved_data { + uint32_t signature; + uint32_t size; + uint32_t checksum; + uint32_t reserved; + uint8_t data[0]; +} __attribute__((packed)); + +/* Locate the most recently saved MRC data. */ +int mrc_cache_get_current(const struct mrc_saved_data **cache); + +/* Stash the resulting MRC data to be saved in non-volatile storage later. */ +int mrc_cache_stash_data(void *data, size_t size); + +#endif /* _COMMON_MRC_CACHE_H_ */ |