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Use SmmMemLib to check communication buffer.

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Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: "Yao, Jiewen" <jiewen.yao@intel.com>
Reviewed-by: "Gao, Liming" <liming.gao@intel.com>
Reviewed-by: "Fan, Jeff" <jeff.fan@intel.com>


git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16694 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Yao, Jiewen
2015-02-02 14:42:22 +00:00
committed by jyao1
parent d425764e3f
commit 842b1242d1
19 changed files with 109 additions and 573 deletions
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27
MdeModulePkg/Library/PiSmmCoreMemoryAllocationLib/MemoryAllocationLib.c
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@@ -1,7 +1,7 @@
/** @file
Support routines for memory allocation routines based on SMM Core internal functions.
Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@@ -936,3 +936,28 @@ FreePool (
ASSERT_EFI_ERROR (Status);
}
/**
The constructor function calls SmmInitializeMemoryServices to initialize memory in SMRAM.
@param ImageHandle The firmware allocated handle for the EFI image.
@param SystemTable A pointer to the EFI System Table.
@retval EFI_SUCCESS The constructor always returns EFI_SUCCESS.
**/
EFI_STATUS
EFIAPI
PiSmmCoreMemoryAllocationLibConstructor (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
SMM_CORE_PRIVATE_DATA *SmmCorePrivate;
SmmCorePrivate = (SMM_CORE_PRIVATE_DATA *)ImageHandle;
//
// Initialize memory service using free SMRAM
//
SmmInitializeMemoryServices (SmmCorePrivate->SmramRangeCount, SmmCorePrivate->SmramRanges);
return EFI_SUCCESS;
}

5
MdeModulePkg/Library/PiSmmCoreMemoryAllocationLib/PiSmmCoreMemoryAllocationLib.inf
View File

@@ -4,7 +4,7 @@
# for memory allocation instead of using SMM System Table servces in an indirect way.
# It is assumed that this library instance must be linked with SMM Cre in this package.
#
# Copyright (c) 2010 - 2014, Intel Corporation. All rights reserved.<BR>
# Copyright (c) 2010 - 2015, Intel Corporation. All rights reserved.<BR>
#
# This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License
@@ -24,7 +24,8 @@
VERSION_STRING = 1.0
PI_SPECIFICATION_VERSION = 0x0001000A
LIBRARY_CLASS = MemoryAllocationLib|SMM_CORE
CONSTRUCTOR = PiSmmCoreMemoryAllocationLibConstructor
#
# The following information is for reference only and not required by the build tools.
#

35
MdeModulePkg/Library/PiSmmCoreMemoryAllocationLib/PiSmmCoreMemoryAllocationServices.h
View File

@@ -4,7 +4,7 @@
This header file borrows the PiSmmCore Memory Allocation services as the primitive
for memory allocation.
Copyright (c) 2008 - 2010, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2008 - 2015, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@@ -18,6 +18,39 @@
#ifndef _PI_SMM_CORE_MEMORY_ALLOCATION_SERVICES_H_
#define _PI_SMM_CORE_MEMORY_ALLOCATION_SERVICES_H_
typedef struct {
UINTN Signature;
///
/// The ImageHandle passed into the entry point of the SMM IPL. This ImageHandle
/// is used by the SMM Core to fill in the ParentImageHandle field of the Loaded
/// Image Protocol for each SMM Driver that is dispatched by the SMM Core.
///
EFI_HANDLE SmmIplImageHandle;
///
/// The number of SMRAM ranges passed from the SMM IPL to the SMM Core. The SMM
/// Core uses these ranges of SMRAM to initialize the SMM Core memory manager.
///
UINTN SmramRangeCount;
///
/// A table of SMRAM ranges passed from the SMM IPL to the SMM Core. The SMM
/// Core uses these ranges of SMRAM to initialize the SMM Core memory manager.
///
EFI_SMRAM_DESCRIPTOR *SmramRanges;
} SMM_CORE_PRIVATE_DATA;
/**
Called to initialize the memory service.
@param SmramRangeCount Number of SMRAM Regions
@param SmramRanges Pointer to SMRAM Descriptors
**/
VOID
SmmInitializeMemoryServices (
IN UINTN SmramRangeCount,
IN EFI_SMRAM_DESCRIPTOR *SmramRanges
);
/**
Allocates pages from the memory map.