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MdeModulePkg/PiSmmCore: Control S3 related functionality through flag. 

https://bugzilla.tianocore.org/show_bug.cgi?id=1590

Use PcdAcpiS3Enable to control whether need to enable S3 related
functionality in Pi SMM Core.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Hao Wu <hao.a.wu@intel.com>
This commit is contained in:
Eric Dong 2019-03-21 08:40:19 +08:00
parent 6c27a4d337
commit bb2c9ccb33
2 changed files with 53 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

72
MdeModulePkg/Core/PiSmmCore/PiSmmCore.c
View File

@ -1,7 +1,7 @@
/** @file
SMM Core Main Entry Point
Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2009 - 2019, 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
@ -77,6 +77,12 @@ BOOLEAN mInLegacyBoot = FALSE;
//
BOOLEAN mDuringS3Resume = FALSE;
//
// Flag to determine if platform enabled S3.
// Get the value from PcdAcpiS3Enable.
//
BOOLEAN mAcpiS3Enable = FALSE;
//
// Table of SMI Handlers that are registered by the SMM Core when it is initialized
//
@ -87,6 +93,13 @@ SMM_CORE_SMI_HANDLERS mSmmCoreSmiHandlers[] = {
{ SmmExitBootServicesHandler, &gEfiEventExitBootServicesGuid, NULL, FALSE },
{ SmmReadyToBootHandler, &gEfiEventReadyToBootGuid, NULL, FALSE },
{ SmmEndOfDxeHandler, &gEfiEndOfDxeEventGroupGuid, NULL, TRUE },
{ NULL, NULL, NULL, FALSE }
};
//
// Table of SMI Handlers that are registered by the SMM Core when it is initialized
//
SMM_CORE_SMI_HANDLERS mSmmCoreS3SmiHandlers[] = {
{ SmmS3SmmInitDoneHandler, &gEdkiiS3SmmInitDoneGuid, NULL, FALSE },
{ SmmEndOfS3ResumeHandler, &gEdkiiEndOfS3ResumeGuid, NULL, FALSE },
{ NULL, NULL, NULL, FALSE }
@ -445,28 +458,30 @@ SmmEndOfDxeHandler (
NULL
);
//
// Locate SmmSxDispatch2 protocol.
//
Status = SmmLocateProtocol (
&gEfiSmmSxDispatch2ProtocolGuid,
NULL,
(VOID **)&SxDispatch
);
if (!EFI_ERROR (Status) && (SxDispatch != NULL)) {
if (mAcpiS3Enable) {
//
// Register a S3 entry callback function to
// determine if it will be during S3 resume.
// Locate SmmSxDispatch2 protocol.
//
EntryRegisterContext.Type = SxS3;
EntryRegisterContext.Phase = SxEntry;
Status = SxDispatch->Register (
SxDispatch,
SmmS3EntryCallBack,
&EntryRegisterContext,
&S3EntryHandle
);
ASSERT_EFI_ERROR (Status);
Status = SmmLocateProtocol (
&gEfiSmmSxDispatch2ProtocolGuid,
NULL,
(VOID **)&SxDispatch
);
if (!EFI_ERROR (Status) && (SxDispatch != NULL)) {
//
// Register a S3 entry callback function to
// determine if it will be during S3 resume.
//
EntryRegisterContext.Type = SxS3;
EntryRegisterContext.Phase = SxEntry;
Status = SxDispatch->Register (
SxDispatch,
SmmS3EntryCallBack,
&EntryRegisterContext,
&S3EntryHandle
);
ASSERT_EFI_ERROR (Status);
}
}
return EFI_SUCCESS;
@ -883,6 +898,21 @@ SmmMain (
ASSERT_EFI_ERROR (Status);
}
mAcpiS3Enable = PcdGetBool (PcdAcpiS3Enable);
if (mAcpiS3Enable) {
//
// Register all S3 related SMI Handlers required by the SMM Core
//
for (Index = 0; mSmmCoreS3SmiHandlers[Index].HandlerType != NULL; Index++) {
Status = SmiHandlerRegister (
mSmmCoreS3SmiHandlers[Index].Handler,
mSmmCoreS3SmiHandlers[Index].HandlerType,
&mSmmCoreS3SmiHandlers[Index].DispatchHandle
);
ASSERT_EFI_ERROR (Status);
}
}
RegisterSmramProfileHandler ();
SmramProfileInstallProtocol ();

3
MdeModulePkg/Core/PiSmmCore/PiSmmCore.inf
View File

@ -1,7 +1,7 @@
## @file
# This module provide an SMM CIS compliant implementation of SMM Core.
#
# Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>
# Copyright (c) 2009 - 2019, 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
@ -101,6 +101,7 @@
gEfiMdeModulePkgTokenSpaceGuid.PcdHeapGuardPageType ## CONSUMES
gEfiMdeModulePkgTokenSpaceGuid.PcdHeapGuardPoolType ## CONSUMES
gEfiMdeModulePkgTokenSpaceGuid.PcdHeapGuardPropertyMask ## CONSUMES
gEfiMdeModulePkgTokenSpaceGuid.PcdAcpiS3Enable ## CONSUMES
[Guids]
gAprioriGuid ## SOMETIMES_CONSUMES ## File