PeiDxeMemEncryptSevLibInternal.c File Reference

#include <Library/BaseLib.h>
#include <Library/DebugLib.h>
#include <Library/MemEncryptSevLib.h>
#include <Library/PcdLib.h>
#include <Register/Amd/SmramSaveStateMap.h>
#include <Register/SmramSaveStateMap.h>
#include <Uefi/UefiBaseType.h>

Go to the source code of this file.

Functions
RETURN_STATUS EFIAPI	MemEncryptSevLocateInitialSmramSaveStateMapPages (OUT UINTN *BaseAddress, OUT UINTN *NumberOfPages)

Detailed Description

Secure Encrypted Virtualization (SEV) library helper function

Copyright (c) 2017 - 2020, AMD Incorporated. All rights reserved.

SPDX-License-Identifier: BSD-2-Clause-Patent

Definition in file PeiDxeMemEncryptSevLibInternal.c.

Function Documentation

MemEncryptSevLocateInitialSmramSaveStateMapPages()

RETURN_STATUS EFIAPI MemEncryptSevLocateInitialSmramSaveStateMapPages	(	OUT UINTN *	BaseAddress,
		OUT UINTN *	NumberOfPages
	)

Locate the page range that covers the initial (pre-SMBASE-relocation) SMRAM Save State Map.

Parameters

[out]	BaseAddress	The base address of the lowest-address page that covers the initial SMRAM Save State Map.
[out]	NumberOfPages	The number of pages in the page range that covers the initial SMRAM Save State Map.

Return values

RETURN_SUCCESS	BaseAddress and NumberOfPages have been set on output.
RETURN_UNSUPPORTED	SMM is unavailable.

Definition at line 36 of file PeiDxeMemEncryptSevLibInternal.c.