Allocate ReservedMemory instead of ACPIMemoryNVS for its shadow memory space which is not required to be restored by OS.

Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13935 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
lzeng14 2012-11-12 05:28:32 +00:00
parent 60bee0c9b5
commit bad7344668
3 changed files with 9 additions and 9 deletions

View File

@ -827,7 +827,7 @@ InitializeScriptSaveOnS3SaveState (
Status = gBS->LocateProtocol (&gEfiCallerIdGuid, NULL, &DevicePath);
if (EFI_ERROR (Status)) {
//
// This is the first-time loaded by DXE core. reload itself to NVS mem
// This is the first-time loaded by DXE core. reload itself to RESERVED mem
//
//
// A workaround: Here we install a dummy handle
@ -861,7 +861,7 @@ InitializeScriptSaveOnS3SaveState (
PageNumber = EFI_SIZE_TO_PAGES (BufferSize + ImageContext.SectionAlignment);
Status = gBS->AllocatePages (
AllocateMaxAddress,
EfiACPIMemoryNVS,
EfiReservedMemoryType,
PageNumber,
&MemoryAddress
);
@ -915,7 +915,7 @@ InitializeScriptSaveOnS3SaveState (
return EFI_SUCCESS;
} else {
//
// the entry point is invoked after reloading. following code only run in ACPI NVS
// the entry point is invoked after reloading. following code only run in RESERVED mem
//
//

View File

@ -1,9 +1,9 @@
/** @file
Boot Script Helper SMM driver.
This driver is responsible to restoer BootScriptThunk from SMRAM to AcpiNvs for security considertion.
This driver is responsible to store BootScriptThunk from ReservedMemory to SMRAM for security consideration.
Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2010 - 2012, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions

View File

@ -232,7 +232,7 @@ BootScriptExecutorEntryPoint (
if (EFI_ERROR (Status)) {
//
// This is the first-time loaded by DXE core. reload itself to NVS mem
// This is the first-time loaded by DXE core. reload itself to RESERVED mem
//
//
// A workaround: Here we install a dummy handle
@ -265,7 +265,7 @@ BootScriptExecutorEntryPoint (
FfsBuffer = 0xFFFFFFFF;
Status = gBS->AllocatePages (
AllocateMaxAddress,
EfiACPIMemoryNVS,
EfiReservedMemoryType,
Pages,
&FfsBuffer
);
@ -316,7 +316,7 @@ BootScriptExecutorEntryPoint (
} else {
//
// the entry point is invoked after reloading. following code only run in ACPI NVS
// the entry point is invoked after reloading. following code only run in RESERVED mem
//
BufferSize = sizeof (BOOT_SCRIPT_EXECUTOR_VARIABLE);
@ -324,7 +324,7 @@ BootScriptExecutorEntryPoint (
Pages = EFI_SIZE_TO_PAGES(BufferSize);
Status = gBS->AllocatePages (
AllocateMaxAddress,
EfiACPIMemoryNVS,
EfiReservedMemoryType,
Pages,
&BootScriptExecutorBuffer
);