tyler.durden
/
audk
mirror of https://github.com/acidanthera/audk.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Add more checks to skip allocated SMRAM regions when searching for a largest free SMRAM region. 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11514 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
rsun3 2011-04-08 05:29:22 +00:00
parent e0c2cc6f89
commit 2c0f06f0b8
2 changed files with 16 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
MdeModulePkg/Core/PiSmmCore/PiSmmIpl.c
View File

@ -1,7 +1,7 @@
/** @file
SMM IPL that produces SMM related runtime protocols and load the SMM Core into SMRAM
Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2009 - 2011, 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
@ -1045,6 +1045,13 @@ SmmIplEntry (
//
mCurrentSmramRange = NULL;
for (Index = 0, MaxSize = SIZE_256KB - EFI_PAGE_SIZE; Index < gSmmCorePrivate->SmramRangeCount; Index++) {
//
// Skip any SMRAM region that is already allocated, needs testing, or needs ECC initialization
//
if ((gSmmCorePrivate->SmramRanges[Index].RegionState & (EFI_ALLOCATED | EFI_NEEDS_TESTING | EFI_NEEDS_ECC_INITIALIZATION)) != 0) {
continue;
}
if (gSmmCorePrivate->SmramRanges[Index].CpuStart >= BASE_1MB) {
if ((gSmmCorePrivate->SmramRanges[Index].CpuStart + gSmmCorePrivate->SmramRanges[Index].PhysicalSize) <= BASE_4GB) {
if (gSmmCorePrivate->SmramRanges[Index].PhysicalSize >= MaxSize) {

9
MdeModulePkg/Core/PiSmmCore/Pool.c
View File

@ -1,7 +1,7 @@
/** @file
SMM Memory pool management functions.
Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2009 - 2011, 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
@ -86,6 +86,13 @@ SmmInitializeMemoryServices (
// Find the largest SMRAM range between 1MB and 4GB that is at least 256KB - 4K in size
//
for (Index = 0, MaxSize = SIZE_256KB - EFI_PAGE_SIZE; Index < SmramRangeCount; Index++) {
//
// Skip any SMRAM region that is already allocated, needs testing, or needs ECC initialization
//
if ((SmramRanges[Index].RegionState & (EFI_ALLOCATED | EFI_NEEDS_TESTING | EFI_NEEDS_ECC_INITIALIZATION)) != 0) {
continue;
}
if (SmramRanges[Index].CpuStart >= BASE_1MB) {
if ((SmramRanges[Index].CpuStart + SmramRanges[Index].PhysicalSize) <= BASE_4GB) {
if (SmramRanges[Index].PhysicalSize >= MaxSize) {