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