diff options
| author | jljusten <jljusten@6f19259b-4bc3-4df7-8a09-765794883524> | 2011-07-19 20:48:04 +0000 |
|---|---|---|
| committer | jljusten <jljusten@6f19259b-4bc3-4df7-8a09-765794883524> | 2011-07-19 20:48:04 +0000 |
| commit | caf93abc434435dfb02556c0c0f5163bda42e427 (patch) | |
| tree | 760655827d3ffc8ed269c5d830abe0ce524c434f /EdkCompatibilityPkg/Compatibility | |
| parent | 664e368fd99c1d18141380c6195d3d9961f72bb0 (diff) | |
EdkCompatibilityPkg: Add DxeSmmReadyToLockOnExitPmAuthThunk driver
Signed-off-by: jljusten
Reviewed-by: mdkinney
Reviewed-by: geekboy15a
Reviewed-by: jyao1
Reviewed-by: lgao4
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12031 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'EdkCompatibilityPkg/Compatibility')
3 files changed, 174 insertions, 0 deletions
diff --git a/EdkCompatibilityPkg/Compatibility/DxeSmmReadyToLockOnExitPmAuthThunk/DxeSmmReadyToLockOnExitPmAuthThunk.c b/EdkCompatibilityPkg/Compatibility/DxeSmmReadyToLockOnExitPmAuthThunk/DxeSmmReadyToLockOnExitPmAuthThunk.c new file mode 100644 index 000000000..6625231ba --- /dev/null +++ b/EdkCompatibilityPkg/Compatibility/DxeSmmReadyToLockOnExitPmAuthThunk/DxeSmmReadyToLockOnExitPmAuthThunk.c @@ -0,0 +1,94 @@ +/** @file
+ DxeSmmReadyToLock Protocol on ExitPmAuth Protocol Thunk driver.
+ R8 platform uses ExitPmAuth point to lock SMRAM and SMM API.
+ But R9 uses DxeSmmReadyToLock. We need a thunk driver to convert this event.
+
+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 "DxeSmmReadyToLockOnExitPmAuthThunk.h"
+
+/**
+ ExitPmAuth Protocol notification event handler.
+
+ @param[in] Event Event whose notification function is being invoked.
+ @param[in] Context Pointer to the notification function's context.
+**/
+VOID
+EFIAPI
+ExitPmAuthProtocolNotification (
+ IN EFI_EVENT Event,
+ IN VOID *Context
+ )
+{
+ EFI_STATUS Status;
+ EFI_HANDLE ImageHandle;
+ VOID *ExitPmAuth;
+
+ //
+ // Add more check to locate protocol after got event, because
+ // R8 ECP will signal this event immediately once it is register
+ // just in case it is already installed.
+ //
+ Status = gBS->LocateProtocol (
+ &gExitPmAuthProtocolGuid,
+ NULL,
+ &ExitPmAuth
+ );
+ if (EFI_ERROR (Status)) {
+ return ;
+ }
+
+ //
+ // Install DxeSmmReadyToLock protocol to let PI SMM lock
+ //
+ ImageHandle = NULL;
+ Status = gBS->InstallProtocolInterface (
+ &ImageHandle,
+ &gEfiDxeSmmReadyToLockProtocolGuid,
+ EFI_NATIVE_INTERFACE,
+ NULL
+ );
+ ASSERT_EFI_ERROR (Status);
+}
+
+/**
+ Entry Point for DxeSmmReadyToLock Protocol on ExitPmAuth Protocol Thunk driver.
+
+ @param[in] ImageHandle Image handle of this driver.
+ @param[in] SystemTable A Pointer to the EFI System Table.
+
+ @retval EFI_SUCCESS The entry point is executed successfully.
+**/
+EFI_STATUS
+EFIAPI
+DxeSmmReadyToLockMain (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ VOID *Registration;
+
+ //
+ // Install notifications for required protocols
+ //
+ EfiCreateProtocolNotifyEvent (
+ &gExitPmAuthProtocolGuid,
+ TPL_CALLBACK,
+ ExitPmAuthProtocolNotification,
+ NULL,
+ &Registration
+ );
+
+ return EFI_SUCCESS;
+}
diff --git a/EdkCompatibilityPkg/Compatibility/DxeSmmReadyToLockOnExitPmAuthThunk/DxeSmmReadyToLockOnExitPmAuthThunk.h b/EdkCompatibilityPkg/Compatibility/DxeSmmReadyToLockOnExitPmAuthThunk/DxeSmmReadyToLockOnExitPmAuthThunk.h new file mode 100644 index 000000000..00f6f6dc8 --- /dev/null +++ b/EdkCompatibilityPkg/Compatibility/DxeSmmReadyToLockOnExitPmAuthThunk/DxeSmmReadyToLockOnExitPmAuthThunk.h @@ -0,0 +1,28 @@ +/** @file
+ Include file for DxeSmmReadyToLock Protocol on ExitPmAuth Protocol Thunk 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.
+
+**/
+
+#ifndef _DXE_SMM_READY_TO_LOCK_ON_EXIT_PMAUTH_THUNK_H_
+#define _DXE_SMM_READY_TO_LOCK_ON_EXIT_PMAUTH_THUNK_H_
+
+#include <PiDxe.h>
+#include <Library/DebugLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/UefiDriverEntryPoint.h>
+#include <Library/UefiLib.h>
+#include <Protocol/DxeSmmReadyToLock.h>
+#include <Protocol/ExitPmAuth.h>
+
+#endif
diff --git a/EdkCompatibilityPkg/Compatibility/DxeSmmReadyToLockOnExitPmAuthThunk/DxeSmmReadyToLockOnExitPmAuthThunk.inf b/EdkCompatibilityPkg/Compatibility/DxeSmmReadyToLockOnExitPmAuthThunk/DxeSmmReadyToLockOnExitPmAuthThunk.inf new file mode 100644 index 000000000..fddda408b --- /dev/null +++ b/EdkCompatibilityPkg/Compatibility/DxeSmmReadyToLockOnExitPmAuthThunk/DxeSmmReadyToLockOnExitPmAuthThunk.inf @@ -0,0 +1,52 @@ +## @file
+# Component description file for DxeSmmReadyToLock Protocol on
+# ExitPmAuth Protocol Thunk 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 = DxeSmmReadyToLockOnExitPmAuthThunk
+ FILE_GUID = 82ECEE48-9571-4427-8485-85A5A45A0F39
+ MODULE_TYPE = DXE_DRIVER
+ VERSION_STRING = 1.0
+ ENTRY_POINT = DxeSmmReadyToLockMain
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+# VALID_ARCHITECTURES = IA32 X64
+#
+
+[Sources]
+ DxeSmmReadyToLockOnExitPmAuthThunk.c
+ DxeSmmReadyToLockOnExitPmAuthThunk.h
+
+[Packages]
+ MdePkg/MdePkg.dec
+ EdkCompatibilityPkg/EdkCompatibilityPkg.dec
+ IntelFrameworkModulePkg/IntelFrameworkModulePkg.dec
+
+[LibraryClasses]
+ UefiDriverEntryPoint
+ UefiBootServicesTableLib
+ DebugLib
+ UefiLib
+
+[Protocols]
+ gEfiDxeSmmReadyToLockProtocolGuid # PROTOCOL ALWAYS_PRODUCED
+ gExitPmAuthProtocolGuid # PROTOCOL ALWAYS_CONSUMED
+
+[Depex]
+ TRUE
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