X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=MdeModulePkg%2FCore%2FPiSmmCore%2FPiSmmCore.c;h=b5676f21bf26502bc3f7402265dbde39f2e63a14;hp=a7220e4235ab87847f8533d3791c2651239ca15f;hb=9d510e61fceee7b92955ef9a3c20343752d8ce3f;hpb=46ece1ff4f097678ddd3609ccb104a22c0bae469
diff --git a/MdeModulePkg/Core/PiSmmCore/PiSmmCore.c b/MdeModulePkg/Core/PiSmmCore/PiSmmCore.c
index a7220e4235..b5676f21bf 100644
--- a/MdeModulePkg/Core/PiSmmCore/PiSmmCore.c
+++ b/MdeModulePkg/Core/PiSmmCore/PiSmmCore.c
@@ -1,14 +1,8 @@
/** @file
SMM Core Main Entry Point
- Copyright (c) 2009 - 2012, Intel Corporation. All rights reserved.
- 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.
+ Copyright (c) 2009 - 2019, Intel Corporation. All rights reserved.
+ SPDX-License-Identifier: BSD-2-Clause-Patent
**/
@@ -65,23 +59,53 @@ EFI_SMM_SYSTEM_TABLE2 gSmmCoreSmst = {
//
// Flag to determine if the platform has performed a legacy boot.
-// If this flag is TRUE, then the runtime code and runtime data associated with the
-// SMM IPL are converted to free memory, so the SMM COre must guarantee that is
+// If this flag is TRUE, then the runtime code and runtime data associated with the
+// SMM IPL are converted to free memory, so the SMM Core must guarantee that is
// does not touch of the code/data associated with the SMM IPL if this flag is TRUE.
//
BOOLEAN mInLegacyBoot = FALSE;
+//
+// Flag to determine if it is during S3 resume.
+// It will be set in S3 entry callback and cleared at EndOfS3Resume.
+//
+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
//
SMM_CORE_SMI_HANDLERS mSmmCoreSmiHandlers[] = {
- { SmmDriverDispatchHandler, &gEfiEventDxeDispatchGuid, NULL, TRUE },
- { SmmReadyToLockHandler, &gEfiDxeSmmReadyToLockProtocolGuid, NULL, TRUE },
- { SmmLegacyBootHandler, &gEfiEventLegacyBootGuid, NULL, FALSE },
- { SmmEndOfDxeHandler, &gEfiEndOfDxeEventGroupGuid, NULL, FALSE },
- { NULL, NULL, NULL, FALSE }
+ { SmmDriverDispatchHandler, &gEfiEventDxeDispatchGuid, NULL, TRUE },
+ { SmmReadyToLockHandler, &gEfiDxeSmmReadyToLockProtocolGuid, NULL, TRUE },
+ { SmmLegacyBootHandler, &gEfiEventLegacyBootGuid, NULL, FALSE },
+ { 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 }
};
+UINTN mFullSmramRangeCount;
+EFI_SMRAM_DESCRIPTOR *mFullSmramRanges;
+
+EFI_SMM_DRIVER_ENTRY *mSmmCoreDriverEntry;
+
+EFI_LOADED_IMAGE_PROTOCOL *mSmmCoreLoadedImage;
+
/**
Place holder function until all the SMM System Table Service are available.
@@ -115,10 +139,11 @@ SmmEfiNotAvailableYetArg5 (
/**
Software SMI handler that is called when a Legacy Boot event is signalled. The SMM
- Core uses this signal to know that a Legacy Boot has been performed and that
+ Core uses this signal to know that a Legacy Boot has been performed and that
gSmmCorePrivate that is shared between the UEFI and SMM execution environments can
not be accessed from SMM anymore since that structure is considered free memory by
- a legacy OS.
+ a legacy OS. Then the SMM Core also install SMM Legacy Boot protocol to notify SMM
+ driver that system enter legacy boot.
@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.
@@ -138,16 +163,170 @@ SmmLegacyBootHandler (
IN OUT UINTN *CommBufferSize OPTIONAL
)
{
+ EFI_STATUS Status;
+ EFI_HANDLE SmmHandle;
+ UINTN Index;
+
+ //
+ // Install SMM Legacy Boot protocol.
+ //
+ SmmHandle = NULL;
+ Status = SmmInstallProtocolInterface (
+ &SmmHandle,
+ &gEdkiiSmmLegacyBootProtocolGuid,
+ EFI_NATIVE_INTERFACE,
+ NULL
+ );
+
mInLegacyBoot = TRUE;
+
+ SmiHandlerUnRegister (DispatchHandle);
+
+ //
+ // It is legacy boot, unregister ExitBootService SMI handler.
+ //
+ for (Index = 0; mSmmCoreSmiHandlers[Index].HandlerType != NULL; Index++) {
+ if (CompareGuid (mSmmCoreSmiHandlers[Index].HandlerType, &gEfiEventExitBootServicesGuid)) {
+ SmiHandlerUnRegister (mSmmCoreSmiHandlers[Index].DispatchHandle);
+ break;
+ }
+ }
+
+ return Status;
+}
+
+/**
+ Software SMI handler that is called when an Exit Boot Services event is signalled.
+ Then the SMM Core also install SMM Exit Boot Services protocol to notify SMM driver
+ that system enter exit boot services.
+
+ @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
+SmmExitBootServicesHandler (
+ 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;
+ UINTN Index;
+
+ //
+ // Install SMM Exit Boot Services protocol.
+ //
+ SmmHandle = NULL;
+ Status = SmmInstallProtocolInterface (
+ &SmmHandle,
+ &gEdkiiSmmExitBootServicesProtocolGuid,
+ EFI_NATIVE_INTERFACE,
+ NULL
+ );
+
+ SmiHandlerUnRegister (DispatchHandle);
+
+ //
+ // It is UEFI boot, unregister LegacyBoot SMI handler.
+ //
+ for (Index = 0; mSmmCoreSmiHandlers[Index].HandlerType != NULL; Index++) {
+ if (CompareGuid (mSmmCoreSmiHandlers[Index].HandlerType, &gEfiEventLegacyBootGuid)) {
+ SmiHandlerUnRegister (mSmmCoreSmiHandlers[Index].DispatchHandle);
+ break;
+ }
+ }
+
+ return Status;
+}
+
+/**
+ Main entry point for an SMM handler dispatch or communicate-based callback.
+
+ @param[in] DispatchHandle The unique handle assigned to this handler by SmiHandlerRegister().
+ @param[in] Context Points to an optional handler context which was specified when the
+ handler was registered.
+ @param[in,out] CommBuffer A pointer to a collection of data in memory that will
+ be conveyed from a non-SMM environment into an SMM environment.
+ @param[in,out] CommBufferSize The size of the CommBuffer.
+
+ @retval EFI_SUCCESS The interrupt was handled and quiesced. No other handlers
+ should still be called.
+ @retval EFI_WARN_INTERRUPT_SOURCE_QUIESCED The interrupt has been quiesced but other handlers should
+ still be called.
+ @retval EFI_WARN_INTERRUPT_SOURCE_PENDING The interrupt is still pending and other handlers should still
+ be called.
+ @retval EFI_INTERRUPT_PENDING The interrupt could not be quiesced.
+**/
+EFI_STATUS
+EFIAPI
+SmmS3EntryCallBack (
+ IN EFI_HANDLE DispatchHandle,
+ IN CONST VOID *Context OPTIONAL,
+ IN OUT VOID *CommBuffer OPTIONAL,
+ IN OUT UINTN *CommBufferSize OPTIONAL
+ )
+{
+ mDuringS3Resume = TRUE;
return EFI_SUCCESS;
}
+/**
+ Software SMI handler that is called when an Ready To Boot event is signalled.
+ Then the SMM Core also install SMM Ready To Boot protocol to notify SMM driver
+ that system enter ready to boot.
+
+ @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
+SmmReadyToBootHandler (
+ 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;
+
+ //
+ // Install SMM Ready To Boot protocol.
+ //
+ SmmHandle = NULL;
+ Status = SmmInstallProtocolInterface (
+ &SmmHandle,
+ &gEdkiiSmmReadyToBootProtocolGuid,
+ EFI_NATIVE_INTERFACE,
+ NULL
+ );
+
+ SmiHandlerUnRegister (DispatchHandle);
+
+ return Status;
+}
+
/**
Software SMI handler that is called when the DxeSmmReadyToLock protocol is added
- or if gEfiEventReadyToBootGuid is signalled. This function unregisters the
- Software SMIs that are nor required after SMRAM is locked and installs the
- SMM Ready To Lock Protocol so SMM Drivers are informed that SMRAM is about
- to be locked. It also verifies the the SMM CPU I/O 2 Protocol has been installed
+ or if gEfiEventReadyToBootGuid is signalled. This function unregisters the
+ Software SMIs that are nor required after SMRAM is locked and installs the
+ SMM Ready To Lock Protocol so SMM Drivers are informed that SMRAM is about
+ to be locked. It also verifies the SMM CPU I/O 2 Protocol has been installed
and NULLs gBS and gST because they can not longer be used after SMRAM is locked.
@param DispatchHandle The unique handle assigned to this handler by SmiHandlerRegister().
@@ -226,6 +405,8 @@ SmmReadyToLockHandler (
gST = NULL;
gBS = NULL;
+ SmramProfileReadyToLock ();
+
return Status;
}
@@ -252,10 +433,14 @@ SmmEndOfDxeHandler (
IN OUT UINTN *CommBufferSize OPTIONAL
)
{
- EFI_STATUS Status;
- EFI_HANDLE SmmHandle;
+ EFI_STATUS Status;
+ EFI_HANDLE SmmHandle;
+ EFI_SMM_SX_DISPATCH2_PROTOCOL *SxDispatch;
+ EFI_SMM_SX_REGISTER_CONTEXT EntryRegisterContext;
+ EFI_HANDLE S3EntryHandle;
DEBUG ((EFI_D_INFO, "SmmEndOfDxeHandler\n"));
+
//
// Install SMM EndOfDxe protocol
//
@@ -266,9 +451,186 @@ SmmEndOfDxeHandler (
EFI_NATIVE_INTERFACE,
NULL
);
+
+ if (mAcpiS3Enable) {
+ //
+ // Locate SmmSxDispatch2 protocol.
+ //
+ 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;
}
+/**
+ 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.
+
+ @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
+SmmEndOfS3ResumeHandler (
+ 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, "SmmEndOfS3ResumeHandler\n"));
+
+ if (!mDuringS3Resume) {
+ DEBUG ((DEBUG_ERROR, "It is not during S3 resume\n"));
+ return EFI_SUCCESS;
+ }
+
+ //
+ // Install SMM EndOfS3Resume protocol
+ //
+ SmmHandle = NULL;
+ Status = SmmInstallProtocolInterface (
+ &SmmHandle,
+ &gEdkiiEndOfS3ResumeGuid,
+ EFI_NATIVE_INTERFACE,
+ NULL
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ //
+ // Uninstall the protocol here because the comsumer just hook the
+ // installation event.
+ //
+ Status = SmmUninstallProtocolInterface (
+ SmmHandle,
+ &gEdkiiEndOfS3ResumeGuid,
+ NULL
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ mDuringS3Resume = FALSE;
+ return Status;
+}
+
+/**
+ Determine if two buffers overlap in memory.
+
+ @param[in] Buff1 Pointer to first buffer
+ @param[in] Size1 Size of Buff1
+ @param[in] Buff2 Pointer to second buffer
+ @param[in] Size2 Size of Buff2
+
+ @retval TRUE Buffers overlap in memory.
+ @retval FALSE Buffer doesn't overlap.
+
+**/
+BOOLEAN
+InternalIsBufferOverlapped (
+ IN UINT8 *Buff1,
+ IN UINTN Size1,
+ IN UINT8 *Buff2,
+ IN UINTN Size2
+ )
+{
+ //
+ // If buff1's end is less than the start of buff2, then it's ok.
+ // Also, if buff1's start is beyond buff2's end, then it's ok.
+ //
+ if (((Buff1 + Size1) <= Buff2) || (Buff1 >= (Buff2 + Size2))) {
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
/**
The main entry point to SMM Foundation.
@@ -287,19 +649,29 @@ SmmEntryPoint (
EFI_STATUS Status;
EFI_SMM_COMMUNICATE_HEADER *CommunicateHeader;
BOOLEAN InLegacyBoot;
-
- PERF_START (NULL, "SMM", NULL, 0) ;
+ BOOLEAN IsOverlapped;
+ VOID *CommunicationBuffer;
+ UINTN BufferSize;
//
- // Update SMST using the context
+ // Update SMST with contents of the SmmEntryContext structure
//
- CopyMem (&gSmmCoreSmst.SmmStartupThisAp, SmmEntryContext, sizeof (EFI_SMM_ENTRY_CONTEXT));
+ gSmmCoreSmst.SmmStartupThisAp = SmmEntryContext->SmmStartupThisAp;
+ gSmmCoreSmst.CurrentlyExecutingCpu = SmmEntryContext->CurrentlyExecutingCpu;
+ gSmmCoreSmst.NumberOfCpus = SmmEntryContext->NumberOfCpus;
+ gSmmCoreSmst.CpuSaveStateSize = SmmEntryContext->CpuSaveStateSize;
+ gSmmCoreSmst.CpuSaveState = SmmEntryContext->CpuSaveState;
//
// Call platform hook before Smm Dispatch
//
PlatformHookBeforeSmmDispatch ();
+ //
+ // Call memory management hook function
+ //
+ SmmEntryPointMemoryManagementHook ();
+
//
// If a legacy boot has occured, then make sure gSmmCorePrivate is not accessed
//
@@ -311,29 +683,46 @@ SmmEntryPoint (
gSmmCorePrivate->InSmm = TRUE;
//
- // Check to see if this is a Synchronous SMI sent through the SMM Communication
+ // Check to see if this is a Synchronous SMI sent through the SMM Communication
// Protocol or an Asynchronous SMI
//
- if (gSmmCorePrivate->CommunicationBuffer != NULL) {
+ CommunicationBuffer = gSmmCorePrivate->CommunicationBuffer;
+ BufferSize = gSmmCorePrivate->BufferSize;
+ if (CommunicationBuffer != NULL) {
//
// Synchronous SMI for SMM Core or request from Communicate protocol
//
- CommunicateHeader = (EFI_SMM_COMMUNICATE_HEADER *)gSmmCorePrivate->CommunicationBuffer;
- gSmmCorePrivate->BufferSize -= OFFSET_OF (EFI_SMM_COMMUNICATE_HEADER, Data);
- Status = SmiManage (
- &CommunicateHeader->HeaderGuid,
- NULL,
- CommunicateHeader->Data,
- &gSmmCorePrivate->BufferSize
- );
-
- //
- // Update CommunicationBuffer, BufferSize and ReturnStatus
- // Communicate service finished, reset the pointer to CommBuffer to NULL
- //
- gSmmCorePrivate->BufferSize += OFFSET_OF (EFI_SMM_COMMUNICATE_HEADER, Data);
- gSmmCorePrivate->CommunicationBuffer = NULL;
- gSmmCorePrivate->ReturnStatus = (Status == EFI_SUCCESS) ? EFI_SUCCESS : EFI_NOT_FOUND;
+ IsOverlapped = InternalIsBufferOverlapped (
+ (UINT8 *) CommunicationBuffer,
+ BufferSize,
+ (UINT8 *) gSmmCorePrivate,
+ sizeof (*gSmmCorePrivate)
+ );
+ if (!SmmIsBufferOutsideSmmValid ((UINTN)CommunicationBuffer, BufferSize) || IsOverlapped) {
+ //
+ // If CommunicationBuffer is not in valid address scope,
+ // or there is overlap between gSmmCorePrivate and CommunicationBuffer,
+ // return EFI_INVALID_PARAMETER
+ //
+ gSmmCorePrivate->CommunicationBuffer = NULL;
+ gSmmCorePrivate->ReturnStatus = EFI_ACCESS_DENIED;
+ } else {
+ CommunicateHeader = (EFI_SMM_COMMUNICATE_HEADER *)CommunicationBuffer;
+ BufferSize -= OFFSET_OF (EFI_SMM_COMMUNICATE_HEADER, Data);
+ Status = SmiManage (
+ &CommunicateHeader->HeaderGuid,
+ NULL,
+ CommunicateHeader->Data,
+ &BufferSize
+ );
+ //
+ // Update CommunicationBuffer, BufferSize and ReturnStatus
+ // Communicate service finished, reset the pointer to CommBuffer to NULL
+ //
+ gSmmCorePrivate->BufferSize = BufferSize + OFFSET_OF (EFI_SMM_COMMUNICATE_HEADER, Data);
+ gSmmCorePrivate->CommunicationBuffer = NULL;
+ gSmmCorePrivate->ReturnStatus = (Status == EFI_SUCCESS) ? EFI_SUCCESS : EFI_NOT_FOUND;
+ }
}
}
@@ -341,7 +730,7 @@ SmmEntryPoint (
// Process Asynchronous SMI sources
//
SmiManage (NULL, NULL, NULL, NULL);
-
+
//
// Call platform hook after Smm Dispatch
//
@@ -356,14 +745,93 @@ SmmEntryPoint (
//
gSmmCorePrivate->InSmm = FALSE;
}
+}
+
+/**
+ Install LoadedImage protocol for SMM Core.
+**/
+VOID
+SmmCoreInstallLoadedImage (
+ VOID
+ )
+{
+ EFI_STATUS Status;
+ EFI_HANDLE Handle;
+
+ //
+ // Allocate a Loaded Image Protocol in EfiBootServicesData
+ //
+ Status = gBS->AllocatePool (EfiBootServicesData, sizeof(EFI_LOADED_IMAGE_PROTOCOL), (VOID **)&mSmmCoreLoadedImage);
+ ASSERT_EFI_ERROR (Status);
+
+ ZeroMem (mSmmCoreLoadedImage, sizeof (EFI_LOADED_IMAGE_PROTOCOL));
+ //
+ // Fill in the remaining fields of the Loaded Image Protocol instance.
+ // Note: ImageBase is an SMRAM address that can not be accessed outside of SMRAM if SMRAM window is closed.
+ //
+ mSmmCoreLoadedImage->Revision = EFI_LOADED_IMAGE_PROTOCOL_REVISION;
+ mSmmCoreLoadedImage->ParentHandle = gSmmCorePrivate->SmmIplImageHandle;
+ mSmmCoreLoadedImage->SystemTable = gST;
- PERF_END (NULL, "SMM", NULL, 0) ;
+ mSmmCoreLoadedImage->ImageBase = (VOID *)(UINTN)gSmmCorePrivate->PiSmmCoreImageBase;
+ mSmmCoreLoadedImage->ImageSize = gSmmCorePrivate->PiSmmCoreImageSize;
+ mSmmCoreLoadedImage->ImageCodeType = EfiRuntimeServicesCode;
+ mSmmCoreLoadedImage->ImageDataType = EfiRuntimeServicesData;
+
+ //
+ // Create a new image handle in the UEFI handle database for the SMM Driver
+ //
+ Handle = NULL;
+ Status = gBS->InstallMultipleProtocolInterfaces (
+ &Handle,
+ &gEfiLoadedImageProtocolGuid, mSmmCoreLoadedImage,
+ NULL
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ //
+ // Allocate a Loaded Image Protocol in SMM
+ //
+ Status = SmmAllocatePool (EfiRuntimeServicesData, sizeof(EFI_SMM_DRIVER_ENTRY), (VOID **)&mSmmCoreDriverEntry);
+ ASSERT_EFI_ERROR(Status);
+
+ ZeroMem (mSmmCoreDriverEntry, sizeof(EFI_SMM_DRIVER_ENTRY));
+ //
+ // Fill in the remaining fields of the Loaded Image Protocol instance.
+ //
+ mSmmCoreDriverEntry->Signature = EFI_SMM_DRIVER_ENTRY_SIGNATURE;
+ mSmmCoreDriverEntry->SmmLoadedImage.Revision = EFI_LOADED_IMAGE_PROTOCOL_REVISION;
+ mSmmCoreDriverEntry->SmmLoadedImage.ParentHandle = gSmmCorePrivate->SmmIplImageHandle;
+ mSmmCoreDriverEntry->SmmLoadedImage.SystemTable = gST;
+
+ mSmmCoreDriverEntry->SmmLoadedImage.ImageBase = (VOID *)(UINTN)gSmmCorePrivate->PiSmmCoreImageBase;
+ mSmmCoreDriverEntry->SmmLoadedImage.ImageSize = gSmmCorePrivate->PiSmmCoreImageSize;
+ mSmmCoreDriverEntry->SmmLoadedImage.ImageCodeType = EfiRuntimeServicesCode;
+ mSmmCoreDriverEntry->SmmLoadedImage.ImageDataType = EfiRuntimeServicesData;
+
+ mSmmCoreDriverEntry->ImageEntryPoint = gSmmCorePrivate->PiSmmCoreEntryPoint;
+ mSmmCoreDriverEntry->ImageBuffer = gSmmCorePrivate->PiSmmCoreImageBase;
+ mSmmCoreDriverEntry->NumberOfPage = EFI_SIZE_TO_PAGES((UINTN)gSmmCorePrivate->PiSmmCoreImageSize);
+
+ //
+ // Create a new image handle in the SMM handle database for the SMM Driver
+ //
+ mSmmCoreDriverEntry->SmmImageHandle = NULL;
+ Status = SmmInstallProtocolInterface (
+ &mSmmCoreDriverEntry->SmmImageHandle,
+ &gEfiLoadedImageProtocolGuid,
+ EFI_NATIVE_INTERFACE,
+ &mSmmCoreDriverEntry->SmmLoadedImage
+ );
+ ASSERT_EFI_ERROR(Status);
+
+ return ;
}
/**
The Entry Point for SMM Core
- Install DXE Protocols and reload SMM Core into SMRAM and register SMM Core
+ Install DXE Protocols and reload SMM Core into SMRAM and register SMM Core
EntryPoint on the SMI vector.
Note: This function is called for both DXE invocation and SMRAM invocation.
@@ -395,11 +863,22 @@ SmmMain (
//
gSmmCorePrivate->Smst = &gSmmCoreSmst;
gSmmCorePrivate->SmmEntryPoint = SmmEntryPoint;
-
+
//
- // Initialize memory service using free SMRAM
+ // No need to initialize memory service.
+ // It is done in constructor of PiSmmCoreMemoryAllocationLib(),
+ // so that the library linked with PiSmmCore can use AllocatePool() in constuctor.
//
- SmmInitializeMemoryServices (gSmmCorePrivate->SmramRangeCount, gSmmCorePrivate->SmramRanges);
+
+ SmramProfileInit ();
+
+ //
+ // Copy FullSmramRanges to SMRAM
+ //
+ mFullSmramRangeCount = gSmmCorePrivate->SmramRangeCount;
+ mFullSmramRanges = AllocatePool (mFullSmramRangeCount * sizeof (EFI_SMRAM_DESCRIPTOR));
+ ASSERT (mFullSmramRanges != NULL);
+ CopyMem (mFullSmramRanges, gSmmCorePrivate->SmramRanges, mFullSmramRangeCount * sizeof (EFI_SMRAM_DESCRIPTOR));
//
// Register all SMI Handlers required by the SMM Core
@@ -412,6 +891,30 @@ 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 ();
+
+ SmmCoreInstallLoadedImage ();
+
+ SmmCoreInitializeMemoryAttributesTable ();
+
+ SmmCoreInitializeSmiHandlerProfile ();
+
return EFI_SUCCESS;
}