util/cbfstool/fv.h

   1 /*
   2  * This file is part of the coreboot project.
   3  *
   4  * Copyright (C) 2013 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 #define FV_SIGNATURE 0x4856465f
  17 typedef struct {
  18         uint8_t  padding[16];
  19         uint8_t  guid[16];
  20         uint64_t fv_length;
  21         uint32_t signature;
  22         uint32_t attributes;
  23         uint16_t header_length;
  24         uint16_t checksum;
  25         uint16_t ext_header_offs;
  26         uint8_t  reserved;
  27         uint8_t  revision;
  28         /* not used here: block map entries */
  29 } firmware_volume_header_t;
  30
  31 #define FILETYPE_SEC 0x03
  32 #define FILETYPE_PAD 0xf0
  33 typedef struct {
  34         uint8_t  name[16];
  35         uint16_t integrity;
  36         uint8_t  file_type;
  37         uint8_t  attributes;
  38         uint8_t  size[3];
  39         uint8_t  state;
  40 } ffs_file_header_t;
  41
  42 #define SECTION_PE32 0x10
  43 #define SECTION_RAW 0x19
  44 typedef struct {
  45         uint8_t size[3];
  46         uint8_t section_type;
  47 } common_section_header_t;