1 /** @file 2 FirmwareInterfaceTable (FIT) related definitions. 3 4 @todo update document/spec reference 5 6 Copyright (c) 2016, Intel Corporation. All rights reserved.<BR> 7 This program and the accompanying materials 8 are licensed and made available under the terms and conditions of the BSD License 9 which accompanies this distribution. The full text of the license may be found at 10 http://opensource.org/licenses/bsd-license.php 11 12 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 13 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 14 15 **/ 16 17 #ifndef __FIRMWARE_INTERFACE_TABLE_H__ 18 #define __FIRMWARE_INTERFACE_TABLE_H__ 19 20 // 21 // FIT Entry type definitions 22 // 23 #define FIT_TYPE_00_HEADER 0x00 24 #define FIT_TYPE_01_MICROCODE 0x01 25 #define FIT_TYPE_02_STARTUP_ACM 0x02 26 #define FIT_TYPE_07_BIOS_STARTUP_MODULE 0x07 27 #define FIT_TYPE_08_TPM_POLICY 0x08 28 #define FIT_TYPE_09_BIOS_POLICY 0x09 29 #define FIT_TYPE_0A_TXT_POLICY 0x0A 30 #define FIT_TYPE_0B_KEY_MANIFEST 0x0B 31 #define FIT_TYPE_0C_BOOT_POLICY_MANIFEST 0x0C 32 #define FIT_TYPE_10_CSE_SECURE_BOOT 0x10 33 #define FIT_TYPE_2D_TXTSX_POLICY 0x2D 34 #define FIT_TYPE_2F_JMP_DEBUG_POLICY 0x2F 35 #define FIT_TYPE_7F_SKIP 0x7F 36 37 #define FIT_POINTER_ADDRESS 0xFFFFFFC0 ///< Fixed address at 4G - 40h 38 39 #define FIT_TYPE_VERSION 0x0100 40 41 #define FIT_TYPE_00_SIGNATURE SIGNATURE_64 ('_', 'F', 'I', 'T', '_', ' ', ' ', ' ') 42 43 #pragma pack(1) 44 45 typedef struct { 46 /** 47 Address is the base address of the firmware component 48 must be aligned on 16 byte boundary 49 **/ 50 UINT64 Address; 51 UINT8 Size[3]; ///< Size is the span of the component in multiple of 16 bytes 52 UINT8 Reserved; ///< Reserved must be set to 0 53 /** 54 Component's version number in binary coded decimal (BCD) format. 55 For the FIT header entry, the value in this field will indicate the revision 56 number of the FIT data structure. The upper byte of the revision field 57 indicates the major revision and the lower byte indicates the minor revision. 58 **/ 59 UINT16 Version; 60 UINT8 Type : 7; ///< FIT types 0x00 to 0x7F 61 /// 62 /// Checksum Valid indicates whether component has valid checksum. 63 /// 64 UINT8 C_V : 1; 65 /** 66 Component's checksum. The modulo sum of all the bytes in the component and 67 the value in this field (Chksum) must add up to zero. This field is only 68 valid if the C_V flag is non-zero. 69 **/ 70 UINT8 Chksum; 71 } FIRMWARE_INTERFACE_TABLE_ENTRY; 72 73 #pragma pack() 74 75 #endif 76
