MemDetect.c File Reference

#include <IndustryStandard/Q35MchIch9.h>
#include <PiPei.h>
#include <Library/BaseLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/DebugLib.h>
#include <Library/HobLib.h>
#include <Library/IoLib.h>
#include <Library/PcdLib.h>
#include <Library/PciLib.h>
#include <Library/PeimEntryPoint.h>
#include <Library/ResourcePublicationLib.h>
#include "Platform.h"
#include "Cmos.h"

Go to the source code of this file.

Functions
VOID	Q35TsegMbytesInitialization (VOID)
STATIC UINT64	GetHighestSystemMemoryAddress (BOOLEAN Below4gb)
UINT32	GetSystemMemorySizeBelow4gb (VOID)
VOID	AddressWidthInitialization (VOID)
STATIC UINT32	GetPeiMemoryCap (VOID)
EFI_STATUS	PublishPeiMemory (VOID)
VOID	InitializeRamRegions (VOID)

Variables
UINT8	mPhysMemAddressWidth
STATIC UINT32	mS3AcpiReservedMemoryBase
STATIC UINT32	mS3AcpiReservedMemorySize
STATIC UINT16	mQ35TsegMbytes

Detailed Description

Memory Detection for Virtual Machines.

Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.
Copyright (c) 2019, Citrix Systems, Inc.

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

Module Name:

MemDetect.c

Definition in file MemDetect.c.

Function Documentation

AddressWidthInitialization()

VOID AddressWidthInitialization

(

VOID

)

Initialize the mPhysMemAddressWidth variable, based on CPUID data.

Definition at line 179 of file MemDetect.c.

GetHighestSystemMemoryAddress()

STATIC UINT64 GetHighestSystemMemoryAddress

(

BOOLEAN

Below4gb

)

Definition at line 101 of file MemDetect.c.

GetPeiMemoryCap()

STATIC UINT32 GetPeiMemoryCap

(

VOID

)

Calculate the cap for the permanent PEI memory.

Definition at line 207 of file MemDetect.c.

GetSystemMemorySizeBelow4gb()

UINT32 GetSystemMemorySizeBelow4gb

(

VOID

)

Definition at line 140 of file MemDetect.c.

InitializeRamRegions()

VOID InitializeRamRegions

(

VOID

)

Publish system RAM and reserve memory regions

Definition at line 325 of file MemDetect.c.

PublishPeiMemory()

EFI_STATUS PublishPeiMemory

(

VOID

)

Publish PEI core memory

Returns

EFI_SUCCESS The PEIM initialized successfully.

Definition at line 274 of file MemDetect.c.

Q35TsegMbytesInitialization()

VOID Q35TsegMbytesInitialization

(

VOID

)

Definition at line 45 of file MemDetect.c.

Variable Documentation

mPhysMemAddressWidth

UINT8 mPhysMemAddressWidth

Definition at line 37 of file MemDetect.c.

mQ35TsegMbytes

STATIC UINT16 mQ35TsegMbytes

Definition at line 42 of file MemDetect.c.

mS3AcpiReservedMemoryBase

STATIC UINT32 mS3AcpiReservedMemoryBase

Definition at line 39 of file MemDetect.c.

mS3AcpiReservedMemorySize

STATIC UINT32 mS3AcpiReservedMemorySize

Definition at line 40 of file MemDetect.c.