diff --git a/MdePkg/Include/IndustryStandard/FirmwareInterfaceTable.h b/MdePkg/Include/IndustryStandard/FirmwareInterfaceTable.h new file mode 100644 index 0000000000..be3e34ae1b --- /dev/null +++ b/MdePkg/Include/IndustryStandard/FirmwareInterfaceTable.h @@ -0,0 +1,76 @@ +/** @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