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MdeModulePkg PiSmmCore: Register SMI handler to install S3SmmInitDone

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Cc: Jiewen Yao <jiewen.yao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
(cherry picked from commit 1bae3e0ed1)
This commit is contained in:
Star Zeng
2017-12-08 18:06:25 +08:00
parent cc476eb7ef
commit 3124cd3a36
3 changed files with 88 additions and 3 deletions
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62
MdeModulePkg/Core/PiSmmCore/PiSmmCore.c
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@@ -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 }
};
@@ -471,6 +472,65 @@ SmmEndOfDxeHandler (
return EFI_SUCCESS;
}
/**
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