util/cbfstool/fv.h

   1 /* This file is part of the coreboot project. */
   2 /*
   3  * Copyright (C) 2013 Google, Inc.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; version 2 of the License.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  */
  14
  15 #define FV_SIGNATURE 0x4856465f
  16 typedef struct {
  17         uint8_t  padding[16];
  18         uint8_t  guid[16];
  19         uint64_t fv_length;
  20         uint32_t signature;
  21         uint32_t attributes;
  22         uint16_t header_length;
  23         uint16_t checksum;
  24         uint16_t ext_header_offs;
  25         uint8_t  reserved;
  26         uint8_t  revision;
  27         /* not used here: block map entries */
  28 } firmware_volume_header_t;
  29
  30 #define FILETYPE_SEC 0x03
  31 #define FILETYPE_PAD 0xf0
  32 typedef struct {
  33         uint8_t  name[16];
  34         uint16_t integrity;
  35         uint8_t  file_type;
  36         uint8_t  attributes;
  37         uint8_t  size[3];
  38         uint8_t  state;
  39 } ffs_file_header_t;
  40
  41 #define SECTION_PE32 0x10
  42 #define SECTION_RAW 0x19
  43 typedef struct {
  44         uint8_t size[3];
  45         uint8_t section_type;
  46 } common_section_header_t;