/** @file Industry Standard Definitions of Firmware Interface Table BIOS Specification 1.0. Copyright (c) 2016 - 2020, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent **/ #ifndef __FIRMWARE_INTERFACE_TABLE_H__ #define __FIRMWARE_INTERFACE_TABLE_H__ // // FIT Entry type definitions // #define FIT_TYPE_00_HEADER 0x00 #define FIT_TYPE_01_MICROCODE 0x01 #define FIT_TYPE_02_STARTUP_ACM 0x02 #define FIT_TYPE_07_BIOS_STARTUP_MODULE 0x07 #define FIT_TYPE_08_TPM_POLICY 0x08 #define FIT_TYPE_09_BIOS_POLICY 0x09 #define FIT_TYPE_0A_TXT_POLICY 0x0A #define FIT_TYPE_0B_KEY_MANIFEST 0x0B #define FIT_TYPE_0C_BOOT_POLICY_MANIFEST 0x0C #define FIT_TYPE_10_CSE_SECURE_BOOT 0x10 #define FIT_TYPE_2D_TXTSX_POLICY 0x2D #define FIT_TYPE_2F_JMP_DEBUG_POLICY 0x2F #define FIT_TYPE_7F_SKIP 0x7F #define FIT_POINTER_ADDRESS 0xFFFFFFC0 ///< Fixed address at 4G - 40h #define FIT_TYPE_VERSION 0x0100 #define FIT_TYPE_00_SIGNATURE SIGNATURE_64 ('_', 'F', 'I', 'T', '_', ' ', ' ', ' ') #pragma pack(1) typedef struct { // // Address is the base address of the firmware component // must be aligned on 16 byte boundary // UINT64 Address; // // Size is the span of the component in multiple of 16 bytes // UINT8 Size[3]; // // Reserved must be set to 0 // UINT8 Reserved; // // Component's version number in binary coded decimal (BCD) format. // For the FIT header entry, the value in this field will indicate the revision // number of the FIT data structure. The upper byte of the revision field // indicates the major revision and the lower byte indicates the minor revision. // UINT16 Version; // // FIT types 0x00 to 0x7F // UINT8 Type : 7; // // Checksum Valid indicates whether component has valid checksum. // UINT8 C_V : 1; // // Component's checksum. The modulo sum of all the bytes in the component and // the value in this field (Chksum) must add up to zero. This field is only // valid if the C_V flag is non-zero. // UINT8 Chksum; } FIRMWARE_INTERFACE_TABLE_ENTRY; #pragma pack() #endif