TianoCore EDK2 master
Loading...
Searching...
No Matches
MemDetect.c File Reference
#include <IndustryStandard/E820.h>
#include <IndustryStandard/I440FxPiix4.h>
#include <IndustryStandard/Q35MchIch9.h>
#include <IndustryStandard/CloudHv.h>
#include <IndustryStandard/Xen/arch-x86/hvm/start_info.h>
#include <PiPei.h>
#include <Register/Intel/SmramSaveStateMap.h>
#include <Library/BaseLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/DebugLib.h>
#include <Library/HobLib.h>
#include <Library/IoLib.h>
#include <Library/MemEncryptSevLib.h>
#include <Library/PcdLib.h>
#include <Library/PciLib.h>
#include <Library/PeimEntryPoint.h>
#include <Library/ResourcePublicationLib.h>
#include <Library/QemuFwCfgLib.h>
#include <Library/QemuFwCfgSimpleParserLib.h>
#include "Platform.h"

Go to the source code of this file.

Functions

VOID Q35TsegMbytesInitialization (IN OUT EFI_HOB_PLATFORM_INFO *PlatformInfoHob)
 
VOID Q35SmramAtDefaultSmbaseInitialization (IN OUT EFI_HOB_PLATFORM_INFO *PlatformInfoHob)
 
VOID AddressWidthInitialization (IN OUT EFI_HOB_PLATFORM_INFO *PlatformInfoHob)
 
STATIC UINT32 GetPeiMemoryCap (IN EFI_HOB_PLATFORM_INFO *PlatformInfoHob)
 
EFI_STATUS PublishPeiMemory (IN OUT EFI_HOB_PLATFORM_INFO *PlatformInfoHob)
 
VOID InitializeRamRegions (IN EFI_HOB_PLATFORM_INFO *PlatformInfoHob)
 

Detailed Description

Memory Detection for Virtual Machines.

Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent

Module Name:

MemDetect.c

Definition in file MemDetect.c.

Function Documentation

◆ AddressWidthInitialization()

VOID AddressWidthInitialization ( IN OUT EFI_HOB_PLATFORM_INFO PlatformInfoHob)

Initialize the PhysMemAddressWidth field in PlatformInfoHob based on guest RAM size.

Definition at line 120 of file MemDetect.c.

◆ GetPeiMemoryCap()

STATIC UINT32 GetPeiMemoryCap ( IN EFI_HOB_PLATFORM_INFO PlatformInfoHob)

Calculate the cap for the permanent PEI memory.

Definition at line 180 of file MemDetect.c.

◆ InitializeRamRegions()

VOID InitializeRamRegions ( IN EFI_HOB_PLATFORM_INFO PlatformInfoHob)

Publish system RAM and reserve memory regions

Definition at line 405 of file MemDetect.c.

◆ PublishPeiMemory()

EFI_STATUS PublishPeiMemory ( IN OUT EFI_HOB_PLATFORM_INFO PlatformInfoHob)

Publish PEI core memory

Returns
EFI_SUCCESS The PEIM initialized successfully.

Definition at line 301 of file MemDetect.c.

◆ Q35SmramAtDefaultSmbaseInitialization()

VOID Q35SmramAtDefaultSmbaseInitialization ( IN OUT EFI_HOB_PLATFORM_INFO PlatformInfoHob)

Definition at line 87 of file MemDetect.c.

◆ Q35TsegMbytesInitialization()

VOID Q35TsegMbytesInitialization ( IN OUT EFI_HOB_PLATFORM_INFO PlatformInfoHob)

Definition at line 43 of file MemDetect.c.