Cc: Jiewen Yao <jiewen....@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Star Zeng <star.z...@intel.com>
---
MdeModulePkg/Core/PiSmmCore/PiSmmCore.c | 62 ++++++++++++++++++++++++++++++-
MdeModulePkg/Core/PiSmmCore/PiSmmCore.h | 26 ++++++++++++-
MdeModulePkg/Core/PiSmmCore/PiSmmCore.inf | 3 +-
3 files changed, 88 insertions(+), 3 deletions(-)
diff --git a/MdeModulePkg/Core/PiSmmCore/PiSmmCore.c
b/MdeModulePkg/Core/PiSmmCore/PiSmmCore.c
index d2f0207b5c83..686b9b45a556 100644
--- a/MdeModulePkg/Core/PiSmmCore/PiSmmCore.c
+++ b/MdeModulePkg/Core/PiSmmCore/PiSmmCore.c
@@ -1,7 +1,7 @@
/** @file
SMM Core Main Entry Point
- Copyright (c) 2009 - 2017, Intel Corporation. All rights reserved.<BR>
+ Copyright (c) 2009 - 2018, 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
@@ -87,6 +87,7 @@ SMM_CORE_SMI_HANDLERS mSmmCoreSmiHandlers[] = {
{ SmmExitBootServicesHandler, &gEfiEventExitBootServicesGuid, NULL,
FALSE },
{ SmmReadyToBootHandler, &gEfiEventReadyToBootGuid, NULL,
FALSE },
{ SmmEndOfDxeHandler, &gEfiEndOfDxeEventGroupGuid, NULL,
TRUE },
+ { SmmS3SmmInitDoneHandler, &gEdkiiS3SmmInitDoneGuid, NULL,
FALSE },
{ SmmEndOfS3ResumeHandler, &gEdkiiEndOfS3ResumeGuid, NULL,
FALSE },
{ NULL, NULL, NULL,
FALSE }
};
@@ -472,6 +473,65 @@ SmmEndOfDxeHandler (
}
/**
+ Software SMI handler that is called when the S3SmmInitDone signal is
triggered.
+ This function installs the SMM S3SmmInitDone Protocol so SMM Drivers are
informed that
+ S3 SMM initialization has been done.
+
+ @param DispatchHandle The unique handle assigned to this handler by
SmiHandlerRegister().
+ @param Context Points to an optional handler context which was
specified when the handler was registered.
+ @param CommBuffer A pointer to a collection of data in memory that will
+ be conveyed from a non-SMM environment into an SMM
environment.
+ @param CommBufferSize The size of the CommBuffer.
+
+ @return Status Code
+
+**/
+EFI_STATUS
+EFIAPI
+SmmS3SmmInitDoneHandler (
+ IN EFI_HANDLE DispatchHandle,
+ IN CONST VOID *Context, OPTIONAL
+ IN OUT VOID *CommBuffer, OPTIONAL
+ IN OUT UINTN *CommBufferSize OPTIONAL
+ )
+{
+ EFI_STATUS Status;
+ EFI_HANDLE SmmHandle;
+
+ DEBUG ((DEBUG_INFO, "SmmS3SmmInitDoneHandler\n"));
+
+ if (!mDuringS3Resume) {
+ DEBUG ((DEBUG_ERROR, "It is not during S3 resume\n"));
+ return EFI_SUCCESS;
+ }
+
+ //
+ // Install SMM S3SmmInitDone protocol
+ //
+ SmmHandle = NULL;
+ Status = SmmInstallProtocolInterface (
+ &SmmHandle,
+ &gEdkiiS3SmmInitDoneGuid,
+ EFI_NATIVE_INTERFACE,
+ NULL
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ //
+ // Uninstall the protocol here because the comsumer just hook the
+ // installation event.
+ //
+ Status = SmmUninstallProtocolInterface (
+ SmmHandle,
+ &gEdkiiS3SmmInitDoneGuid,
+ NULL
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ return Status;
+}
+
+/**
Software SMI handler that is called when the EndOfS3Resume signal is
triggered.
This function installs the SMM EndOfS3Resume Protocol so SMM Drivers are
informed that
S3 resume has finished.
diff --git a/MdeModulePkg/Core/PiSmmCore/PiSmmCore.h
b/MdeModulePkg/Core/PiSmmCore/PiSmmCore.h
index 8c10d833e2ae..2f6032646f46 100644
--- a/MdeModulePkg/Core/PiSmmCore/PiSmmCore.h
+++ b/MdeModulePkg/Core/PiSmmCore/PiSmmCore.h
@@ -2,7 +2,7 @@
The internal header file includes the common header files, defines
internal structure and functions used by SmmCore module.
- Copyright (c) 2009 - 2017, Intel Corporation. All rights reserved.<BR>
+ Copyright (c) 2009 - 2018, 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
@@ -42,6 +42,7 @@
#include <Guid/LoadModuleAtFixedAddress.h>
#include <Guid/SmiHandlerProfile.h>
#include <Guid/EndOfS3Resume.h>
+#include <Guid/S3SmmInitDone.h>
#include <Library/BaseLib.h>
#include <Library/BaseMemoryLib.h>
@@ -811,6 +812,29 @@ SmmReadyToBootHandler (
);
/**
+ Software SMI handler that is called when the S3SmmInitDone signal is
triggered.
+ This function installs the SMM S3SmmInitDone Protocol so SMM Drivers are
informed that
+ S3 SMM initialization has been done.
+
+ @param DispatchHandle The unique handle assigned to this handler by
SmiHandlerRegister().
+ @param Context Points to an optional handler context which was
specified when the handler was registered.
+ @param CommBuffer A pointer to a collection of data in memory that will
+ be conveyed from a non-SMM environment into an SMM
environment.
+ @param CommBufferSize The size of the CommBuffer.
+
+ @return Status Code
+
+**/
+EFI_STATUS
+EFIAPI
+SmmS3SmmInitDoneHandler (
+ IN EFI_HANDLE DispatchHandle,
+ IN CONST VOID *Context, OPTIONAL
+ IN OUT VOID *CommBuffer, OPTIONAL
+ IN OUT UINTN *CommBufferSize OPTIONAL
+ );
+
+/**
Software SMI handler that is called when the EndOfS3Resume event is trigged.
This function installs the SMM EndOfS3Resume Protocol so SMM Drivers are
informed that
S3 resume has finished.
diff --git a/MdeModulePkg/Core/PiSmmCore/PiSmmCore.inf
b/MdeModulePkg/Core/PiSmmCore/PiSmmCore.inf
index 5c04e851f94b..09cffb879e6f 100644
--- a/MdeModulePkg/Core/PiSmmCore/PiSmmCore.inf
+++ b/MdeModulePkg/Core/PiSmmCore/PiSmmCore.inf
@@ -1,7 +1,7 @@
## @file
# This module provide an SMM CIS compliant implementation of SMM Core.
#
-# Copyright (c) 2009 - 2017, Intel Corporation. All rights reserved.<BR>
+# Copyright (c) 2009 - 2018, 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
@@ -124,6 +124,7 @@ [Guids]
## SOMETIMES_PRODUCES ## GUID # SmiHandlerRegister
gSmiHandlerProfileGuid
gEdkiiEndOfS3ResumeGuid ## SOMETIMES_PRODUCES ## GUID # Install protocol
+ gEdkiiS3SmmInitDoneGuid ## SOMETIMES_PRODUCES ## GUID # Install protocol
[UserExtensions.TianoCore."ExtraFiles"]
PiSmmCoreExtra.uni
--
2.7.0.windows.1
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