coreboot-kgpe-d16/util/cbfstool/fit.h

43 lines
1.5 KiB
C

/*
* Firmware Interface Table support.
*
* Copyright (C) 2012 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.
*/
#ifndef __CBFSTOOL_FIT_H
#define __CBFSTOOL_FIT_H
#include "cbfs_image.h"
#include "common.h"
/*
* Converts between offsets from the start of the specified image region and
* "top-aligned" offsets from the top of the entire flash image. Should work in
* both directions: accepts either type of offset and produces the other type.
* The implementation must have some notion of the flash image's total size.
*/
typedef unsigned (*fit_offset_converter_t)(const struct buffer *region,
unsigned offset);
/*
* populate FIT with the MCUs prepsent in the blob provided.
*
* first_mcu_addr is an address (in ROM) that will point to a
* microcode patch. When provided, it will be forced as the first
* MCU entry into the FIT located in the topswap bootblock.
*/
int fit_update_table(struct buffer *bootblock, struct cbfs_image *image,
const char *microcode_blob_name, int empty_entries,
fit_offset_converter_t offset_fn,
uint32_t topswap_size, uint32_t first_mcu_addr);
#endif