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/** @file
FirmwareInterfaceTable (FIT) related definitions.
@todo update document/spec reference
Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
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;
UINT8 Size[3]; ///< Size is the span of the component in multiple of 16 bytes
UINT8 Reserved; ///< Reserved must be set to 0
/**
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;
UINT8 Type : 7; ///< FIT types 0x00 to 0x7F
///
/// 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