EdkCompatibilityPkg: Add BootScriptThunkHelper driver

Signed-off-by: jljusten
Reviewed-by: rsun3

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12247 6f19259b-4bc3-4df7-8a09-765794883524

3 files changed, 127 insertions, 0 deletions

diff --git a/EdkCompatibilityPkg/Compatibility/BootScriptThunkHelper/BootScriptThunkHelper.c b/EdkCompatibilityPkg/Compatibility/BootScriptThunkHelper/BootScriptThunkHelper.c
new file mode 100644
index 0000000000..f20555d451
--- /dev/null
+++ b/EdkCompatibilityPkg/Compatibility/BootScriptThunkHelper/BootScriptThunkHelper.c
@@ -0,0 +1,73 @@
+/** @file

+  Boot Script Helper SMM driver.

+

+  This driver is responsible to restoer BootScriptThunk from SMRAM to AcpiNvs for security considertion.

+

+Copyright (c) 2010, 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

+http://opensource.org/licenses/bsd-license.php

+

+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,

+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.

+

+**/

+

+#include <PiDxe.h>

+#include <Library/BaseLib.h>

+#include <Library/PcdLib.h>

+#include <Library/DebugLib.h>

+#include <Library/LockBoxLib.h>

+

+#include <Guid/BootScriptThunkData.h>

+

+EFI_GUID mBootScriptThunkGuid = {

+  0xa053f561, 0xf56b, 0x4140, {0x89, 0x1, 0xb4, 0xcb, 0x5d, 0x70, 0x92, 0x9e}

+};

+

+/**

+  Entry point function of the Boot Script Thunk Helper SMM driver.

+

+  @param[in] ImageHandle  The firmware allocated handle for the EFI image.  

+  @param[in] SystemTable  A pointer to the EFI System Table.

+  

+  @retval EFI_SUCCESS     The entry point is executed successfully.

+  @retval other           Some error occurs when executing this entry point.

+**/

+EFI_STATUS

+EFIAPI

+BootScriptThunkHelperMain (

+  IN EFI_HANDLE        ImageHandle,

+  IN EFI_SYSTEM_TABLE  *SystemTable

+  )

+{

+  BOOT_SCRIPT_THUNK_DATA        *BootScriptThunkData;

+  EFI_STATUS                    Status;

+

+  //

+  // Get BootScriptThunk variable

+  //

+  BootScriptThunkData = (BOOT_SCRIPT_THUNK_DATA *)(UINTN)PcdGet64(BootScriptThunkDataPtr);

+  ASSERT (BootScriptThunkData != NULL);

+  if (BootScriptThunkData == NULL) {

+    return EFI_NOT_FOUND;

+  }

+

+  //

+  // Save BootScriptThunk image

+  //

+  Status = SaveLockBox (

+             &mBootScriptThunkGuid,

+             (VOID *)(UINTN)BootScriptThunkData->BootScriptThunkBase,

+             (UINTN)BootScriptThunkData->BootScriptThunkLength

+             );

+  ASSERT_EFI_ERROR (Status);

+

+  Status = SetLockBoxAttributes (&mBootScriptThunkGuid, LOCK_BOX_ATTRIBUTE_RESTORE_IN_PLACE);

+  ASSERT_EFI_ERROR (Status);

+

+  return Status;

+}

diff --git a/EdkCompatibilityPkg/Compatibility/BootScriptThunkHelper/BootScriptThunkHelper.inf b/EdkCompatibilityPkg/Compatibility/BootScriptThunkHelper/BootScriptThunkHelper.inf
new file mode 100644
index 0000000000..f068d6fdb7
--- /dev/null
+++ b/EdkCompatibilityPkg/Compatibility/BootScriptThunkHelper/BootScriptThunkHelper.inf
@@ -0,0 +1,52 @@
+## @file

+#  Component description file for Boot Script Thunk Helper SMM driver.

+#

+#  Copyright (c) 2010, 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

+#  http://opensource.org/licenses/bsd-license.php

+#

+#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,

+#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.

+#

+##

+

+[Defines]

+  INF_VERSION                    = 0x00010005

+  BASE_NAME                      = BootScriptThunkHelper

+  FILE_GUID                      = E633E57C-BBB1-4c6a-9F45-22C49378ADD0

+  MODULE_TYPE                    = DXE_DRIVER

+  VERSION_STRING                 = 1.0

+  PI_SPECIFICATION_VERSION       = 0x0001000A

+  ENTRY_POINT                    = BootScriptThunkHelperMain

+

+#

+# The following information is for reference only and not required by the build tools.

+#

+#  VALID_ARCHITECTURES           = IA32 X64 

+#

+

+[Sources]

+  BootScriptThunkHelper.c

+ 

+[Packages]

+  MdePkg/MdePkg.dec

+  IntelFrameworkPkg/IntelFrameworkPkg.dec

+  MdeModulePkg/MdeModulePkg.dec

+  EdkCompatibilityPkg/EdkCompatibilityPkg.dec

+

+[LibraryClasses]

+  UefiDriverEntryPoint

+  BaseLib

+  DebugLib

+  PcdLib

+  LockBoxLib

+

+[Pcd]

+  gEfiEdkCompatibilityPkgTokenSpaceGuid.BootScriptThunkDataPtr

+

+[Depex]

+  gEfiS3SaveStateProtocolGuid AND gEfiBootScriptSaveProtocolGuid AND gEfiLockBoxProtocolGuid

diff --git a/EdkCompatibilityPkg/EdkCompatibilityPkg.dsc b/EdkCompatibilityPkg/EdkCompatibilityPkg.dsc
index 37fb69588d..9abf7338df 100644
--- a/EdkCompatibilityPkg/EdkCompatibilityPkg.dsc
+++ b/EdkCompatibilityPkg/EdkCompatibilityPkg.dsc
@@ -71,6 +71,7 @@ define GCC_MACRO                 = -DEFI_SPECIFICATION_VERSION=0x00020000 -DPI_S
   DebugAgentLib|MdeModulePkg/Library/DebugAgentLibNull/DebugAgentLibNull.inf

   LocalApicLib|UefiCpuPkg/Library/BaseXApicX2ApicLib/BaseXApicX2ApicLib.inf

   DxeServicesLib|MdePkg/Library/DxeServicesLib/DxeServicesLib.inf

+  LockBoxLib|MdeModulePkg/Library/LockBoxNullLib/LockBoxNullLib.inf

 

 [LibraryClasses.common.PEIM]

   MemoryAllocationLib|MdePkg/Library/PeiMemoryAllocationLib/PeiMemoryAllocationLib.inf

@@ -282,6 +283,7 @@ define GCC_MACRO                 = -DEFI_SPECIFICATION_VERSION=0x00020000 -DPI_S
   EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/DxePerformanceLib/DxePerformanceLib.inf # Use IA32/X64 specific AsmReadTsc (). 

   EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/PeiPerformanceLib/PeiPerformanceLib.inf # Use IA32/X64 specific AsmReadTsc ().

   EdkCompatibilityPkg/Compatibility/AcpiVariableHobOnSmramReserveHobThunk/AcpiVariableHobOnSmramReserveHobThunk.inf

+  EdkCompatibilityPkg/Compatibility/BootScriptThunkHelper/BootScriptThunkHelper.inf

   EdkCompatibilityPkg/Compatibility/MpServicesOnFrameworkMpServicesThunk/MpServicesOnFrameworkMpServicesThunk.inf

   EdkCompatibilityPkg/Compatibility/SmmBaseOnSmmBase2Thunk/SmmBaseOnSmmBase2Thunk.inf

   EdkCompatibilityPkg/Compatibility/SmmBaseHelper/SmmBaseHelper.inf