TpmInfo.c File Reference

#include <Uefi.h>
#include <Library/IoLib.h>
#include <Library/PrintLib.h>
#include <Library/BaseLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/DebugLib.h>
#include <Library/OcHeciLib.h>
#include <Library/TimerLib.h>
#include <Library/UefiApplicationEntryPoint.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/UefiLib.h>
#include <IndustryStandard/PttPtpRegs.h>
#include <IndustryStandard/MkhiMsgs.h>

Go to the source code of this file.

Macros
#define	PTT_HCI_TIMEOUT_A   500
	Timeout after 500 microseconds.
#define	PTT_HCI_POLLING_PERIOD   140
	Poll register every 140 microseconds.

Functions
STATIC EFI_STATUS	MmioRead32Timeout (IN UINTN Address, IN UINT32 BitSet, IN UINT32 BitClear, IN UINT32 Period, IN UINT32 Timeout, OUT UINT32 *Value OPTIONAL)
STATIC EFI_STATUS	CheckHeci (VOID)
EFI_STATUS EFIAPI	UefiMain (IN EFI_HANDLE ImageHandle, IN EFI_SYSTEM_TABLE *SystemTable)

Detailed Description

Read Intel PTT TPM information.

Copyright (c) 2021, vit9696. All rights reserved.
SPDX-License-Identifier: BSD-3-Clause

Definition in file TpmInfo.c.

Macro Definition Documentation

PTT_HCI_POLLING_PERIOD

#define PTT_HCI_POLLING_PERIOD   140

Poll register every 140 microseconds.

Definition at line 23 of file TpmInfo.c.

PTT_HCI_TIMEOUT_A

#define PTT_HCI_TIMEOUT_A   500

Timeout after 500 microseconds.

Definition at line 22 of file TpmInfo.c.

Function Documentation

CheckHeci()

STATIC EFI_STATUS CheckHeci

(

VOID

)

Definition at line 70 of file TpmInfo.c.

MmioRead32Timeout()

STATIC EFI_STATUS MmioRead32Timeout	(	IN UINTN	Address,
		IN UINT32	BitSet,
		IN UINT32	BitClear,
		IN UINT32	Period,
		IN UINT32	Timeout,
		OUT UINT32 *Value	OPTIONAL )

Definition at line 27 of file TpmInfo.c.

UefiMain()

EFI_STATUS EFIAPI UefiMain	(	IN EFI_HANDLE	ImageHandle,
		IN EFI_SYSTEM_TABLE *	SystemTable )

Definition at line 138 of file TpmInfo.c.