audk/MdePkg/Include/IndustryStandard/FirmwareInterfaceTable.h

77 lines
2.3 KiB
C

/** @file
Industry Standard Definitions of Firmware Interface Table BIOS Specification 1.0.
Copyright (c) 2016 - 2020, 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;
//
// 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