CcExitTd.h File Reference

#include <Base.h>
#include <Uefi.h>

Go to the source code of this file.

Functions
EFI_STATUS EFIAPI	TdVmCallCpuid (IN UINT64 Eax, IN UINT64 Ecx, OUT VOID *Results)

Detailed Description

Copyright (c) 2020 - 2021, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent

Definition in file CcExitTd.h.

Function Documentation

TdVmCallCpuid()

EFI_STATUS EFIAPI TdVmCallCpuid	(	IN UINT64	Eax,
		IN UINT64	Ecx,
		OUT VOID *	Results
	)

This function enable the TD guest to request the VMM to emulate CPUID operation, especially for non-architectural, CPUID leaves.

Parameters

[in]	Eax	Main leaf of the CPUID
[in]	Ecx	Sub-leaf of the CPUID
[out]	Results	Returned result of CPUID operation

Returns

EFI_SUCCESS