util/cbfstool/fit.h

   1 /*
   2  * Firmware Interface Table support.
   3  *
   4  * Copyright (C) 2012 Google Inc.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; version 2 of the License.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  */
  15
  16 #ifndef __CBFSTOOL_FIT_H
  17 #define __CBFSTOOL_FIT_H
  18
  19 #include "cbfs_image.h"
  20 #include "common.h"
  21
  22 /*
  23  * Converts between offsets from the start of the specified image region and
  24  * "top-aligned" offsets from the top of the entire flash image. Should work in
  25  * both directions: accepts either type of offset and produces the other type.
  26  * The implementation must have some notion of the flash image's total size.
  27  */
  28 typedef unsigned (*fit_offset_converter_t)(const struct buffer *region,
  29                                                         unsigned offset);
  30
  31 int fit_update_table(struct buffer *bootblock, struct cbfs_image *image,
  32                      const char *microcode_blob_name, int empty_entries,
  33                      fit_offset_converter_t offset_fn);
  34 #endif