mirror of https://github.com/acidanthera/audk.git
UefiCpuPkg: Extend SMM CPU Service with rendezvous support.
REF? https://bugzilla.tianocore.org/show_bug.cgi?id=3815 This patch define a new Protocol with the new services SmmWaitForAllProcessor(), which can be used by SMI handler to optionally wait for other APs to complete SMM rendezvous in relaxed AP mode. A new library SmmCpuRendezvousLib is provided to abstract the service into library API to simple SMI handler code. Cc: Eric Dong <eric.dong@intel.com> Reviewed-by: Ray Ni <ray.ni@intel.com> Cc: Rahul Kumar <rahul1.kumar@intel.com> Cc: Siyuan Fu <siyuan.fu@intel.com> Cc: Zhihao Li <zhihao.li@intel.com> Signed-off-by: Zhihao Li <zhihao.li@intel.com>
This commit is contained in:
Li, Zhihao
mergify[bot]
parent
b83d0a6438
commit
4a68176cb5
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@ -0,0 +1,27 @@
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/** @file
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SMM CPU Rendezvous library header file.
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Copyright (c) 2022, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef SMM_CPU_RENDEZVOUS_H_
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#define SMM_CPU_RENDEZVOUS_H_
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/**
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This routine wait for all AP processors to arrive in SMM.
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@param[in] BlockingMode Blocking mode or non-blocking mode.
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@retval EFI_SUCCESS All processors checked in to SMM.
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@retval EFI_TIMEOUT Wait for all APs until timeout.
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**/
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EFI_STATUS
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EFIAPI
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SmmWaitForAllProcessor (
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IN BOOLEAN BlockingMode
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);
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#endif
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@ -1,7 +1,7 @@
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/** @file
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SMM CPU Service protocol definition.
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Copyright (c) 2013 - 2015, Intel Corporation. All rights reserved.<BR>
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Copyright (c) 2013 - 2022, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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@ -200,4 +200,38 @@ struct _EFI_SMM_CPU_SERVICE_PROTOCOL {
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extern EFI_GUID gEfiSmmCpuServiceProtocolGuid;
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//
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// EDKII_SMM_CPU_RENDEZVOUS_PROTOCOL provide SMM CPU
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// rendezvous service support.
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//
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#define EDKII_SMM_CPU_RENDEZVOUS_PROTOCOL_GUID \
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{ \
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0xaa00d50b, 0x4911, 0x428f, { 0xb9, 0x1a, 0xa5, 0x9d, 0xdb, 0x13, 0xe2, 0x4c } \
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}
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typedef struct _EDKII_SMM_CPU_RENDEZVOUS_PROTOCOL EDKII_SMM_CPU_RENDEZVOUS_PROTOCOL;
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/**
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Wait for all APs to arrive SMM mode in given timeout constraint.
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@param[in] This A pointer to the EDKII_SMM_CPU_RENDEZVOUS_PROTOCOL instance.
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@param[in] BlockingMode Block or non-block mode.
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@retval EFI_SUCCESS All APs have arrived SMM mode except SMI disabled APs.
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@retval EFI_TIMEOUT There are APs not in SMM mode in given timeout constraint.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EDKII_WAIT_FOR_ALL_PROCESSOR)(
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IN EDKII_SMM_CPU_RENDEZVOUS_PROTOCOL *This,
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IN BOOLEAN BlockingMode
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);
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struct _EDKII_SMM_CPU_RENDEZVOUS_PROTOCOL {
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EDKII_WAIT_FOR_ALL_PROCESSOR WaitForAllProcessor;
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};
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extern EFI_GUID gEdkiiSmmCpuRendezvousProtocolGuid;
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#endif
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@ -0,0 +1,103 @@
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/** @file
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SMM CPU Rendezvous sevice implement.
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Copyright (c) 2022, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include <Base.h>
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#include <Uefi.h>
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#include <Library/BaseLib.h>
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#include <Library/DebugLib.h>
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#include <Library/MmServicesTableLib.h>
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#include <Protocol/SmmCpuService.h>
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#include <Library/SmmCpuRendezvousLib.h>
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STATIC EDKII_SMM_CPU_RENDEZVOUS_PROTOCOL *mSmmCpuRendezvous = NULL;
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STATIC VOID *mRegistration = NULL;
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/**
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Callback function to wait Smm cpu rendezvous service located.
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SmmCpuRendezvousLib need to support MM_STANDALONE and DXE_SMM_DRIVER driver.
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So do not use library constructor to locate the protocol.
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@param[in] Protocol Points to the protocol's unique identifier.
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@param[in] Interface Points to the interface instance.
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@param[in] Handle The handle on which the interface was installed.
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@retval EFI_SUCCESS Notification runs successfully.
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**/
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EFI_STATUS
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EFIAPI
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SmmCpuRendezvousProtocolNotify (
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IN CONST EFI_GUID *Protocol,
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IN VOID *Interface,
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IN EFI_HANDLE Handle
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)
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{
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EFI_STATUS Status;
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Status = gMmst->MmLocateProtocol (
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&gEdkiiSmmCpuRendezvousProtocolGuid,
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NULL,
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(VOID **)&mSmmCpuRendezvous
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);
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ASSERT_EFI_ERROR (Status);
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return EFI_SUCCESS;
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}
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/**
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This routine wait for all AP processors to arrive in SMM.
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@param[in] BlockingMode Blocking mode or non-blocking mode.
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@retval EFI_SUCCESS All avaiable APs arrived.
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@retval EFI_TIMEOUT Wait for all APs until timeout.
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@retval OTHER Fail to register SMM CPU Rendezvous service Protocol.
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**/
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EFI_STATUS
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EFIAPI
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SmmWaitForAllProcessor (
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IN BOOLEAN BlockingMode
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)
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{
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EFI_STATUS Status;
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if ((mRegistration == NULL) && (mSmmCpuRendezvous == NULL)) {
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//
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// Locate SMM cpu rendezvous protocol for the first time execute the function.
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//
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Status = gMmst->MmLocateProtocol (
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&gEdkiiSmmCpuRendezvousProtocolGuid,
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NULL,
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(VOID **)&mSmmCpuRendezvous
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);
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if (EFI_ERROR (Status)) {
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Status = gMmst->MmRegisterProtocolNotify (
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&gEdkiiSmmCpuRendezvousProtocolGuid,
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SmmCpuRendezvousProtocolNotify,
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&mRegistration
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);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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}
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}
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//
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// The platform have not set up. It doesn't need smm cpu rendezvous.
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//
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if (mSmmCpuRendezvous == NULL) {
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return EFI_SUCCESS;
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}
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Status = mSmmCpuRendezvous->WaitForAllProcessor (
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mSmmCpuRendezvous,
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BlockingMode
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);
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return Status;
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}
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@ -0,0 +1,35 @@
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## @file
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# SMM CPU Rendezvous service lib.
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#
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# This is SMM CPU rendezvous service lib that wait for all
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# APs to enter SMM mode.
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#
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# Copyright (c) 2022, Intel Corporation. All rights reserved.<BR>
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# SPDX-License-Identifier: BSD-2-Clause-Patent
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#
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##
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[Defines]
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INF_VERSION = 0x00010005
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BASE_NAME = SmmCpuRendezvousLib
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FILE_GUID = 1509Bb36-9Ba4-438B-B195-Ac5914Db14E2
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MODULE_TYPE = DXE_SMM_DRIVER
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LIBRARY_CLASS = SmmCpuRendezvousLib|MM_STANDALONE DXE_SMM_DRIVER
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[Sources]
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SmmCpuRendezvousLib.c
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[Packages]
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MdePkg/MdePkg.dec
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UefiCpuPkg/UefiCpuPkg.dec
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[LibraryClasses]
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BaseLib
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DebugLib
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MmServicesTableLib
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[Pcd]
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gUefiCpuPkgTokenSpaceGuid.PcdCpuSmmApSyncTimeout ## CONSUMES
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[Protocols]
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gEdkiiSmmCpuRendezvousProtocolGuid
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@ -1,7 +1,7 @@
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/** @file
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Implementation of SMM CPU Services Protocol.
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Copyright (c) 2011 - 2015, Intel Corporation. All rights reserved.<BR>
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Copyright (c) 2011 - 2022, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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@ -20,6 +20,13 @@ EFI_SMM_CPU_SERVICE_PROTOCOL mSmmCpuService = {
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SmmRegisterExceptionHandler
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};
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//
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// EDKII SMM CPU Rendezvous Service Protocol instance
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//
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EDKII_SMM_CPU_RENDEZVOUS_PROTOCOL mSmmCpuRendezvousService = {
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SmmCpuRendezvous
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};
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/**
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Gets processor information on the requested processor at the instant this call is made.
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@ -350,6 +357,7 @@ SmmRegisterExceptionHandler (
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@param ImageHandle The firmware allocated handle for the EFI image.
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@retval EFI_SUCCESS EFI SMM CPU Services Protocol was installed successfully.
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@retval OTHER Fail to install Protocol.
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**/
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EFI_STATUS
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InitializeSmmCpuServices (
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@ -365,5 +373,64 @@ InitializeSmmCpuServices (
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&mSmmCpuService
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);
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ASSERT_EFI_ERROR (Status);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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Status = gSmst->SmmInstallProtocolInterface (
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&Handle,
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&gEdkiiSmmCpuRendezvousProtocolGuid,
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EFI_NATIVE_INTERFACE,
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&mSmmCpuRendezvousService
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);
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ASSERT_EFI_ERROR (Status);
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return Status;
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}
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/**
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Wait for all processors enterring SMM until all CPUs are already synchronized or not.
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If BlockingMode is False, timeout value is zero.
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@param This A pointer to the EDKII_SMM_CPU_RENDEZVOUS_PROTOCOL instance.
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@param BlockingMode Blocking mode or non-blocking mode.
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@retval EFI_SUCCESS All avaiable APs arrived.
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@retval EFI_TIMEOUT Wait for all APs until timeout.
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**/
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EFI_STATUS
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EFIAPI
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SmmCpuRendezvous (
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IN EDKII_SMM_CPU_RENDEZVOUS_PROTOCOL *This,
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IN BOOLEAN BlockingMode
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)
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{
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EFI_STATUS Status;
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//
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// Return success immediately if all CPUs are already synchronized.
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//
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if (mSmmMpSyncData->AllApArrivedWithException) {
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Status = EFI_SUCCESS;
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goto ON_EXIT;
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}
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if (!BlockingMode) {
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Status = EFI_TIMEOUT;
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goto ON_EXIT;
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}
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//
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// There are some APs outside SMM, Wait for all avaiable APs to arrive.
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//
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SmmWaitForApArrival ();
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Status = mSmmMpSyncData->AllApArrivedWithException ? EFI_SUCCESS : EFI_TIMEOUT;
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ON_EXIT:
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if (!mSmmMpSyncData->AllApArrivedWithException) {
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DEBUG ((DEBUG_INFO, "EdkiiSmmWaitForAllApArrival: Timeout to wait all APs arrival\n"));
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}
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return Status;
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}
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@ -1,7 +1,7 @@
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/** @file
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SMM MP service implementation
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Copyright (c) 2009 - 2021, Intel Corporation. All rights reserved.<BR>
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Copyright (c) 2009 - 2022, Intel Corporation. All rights reserved.<BR>
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Copyright (c) 2017, AMD Incorporated. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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@ -293,10 +293,14 @@ SmmWaitForApArrival (
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// Sync with APs 1st timeout
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//
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for (Timer = StartSyncTimer ();
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!IsSyncTimerTimeout (Timer) && !(LmceEn && LmceSignal) &&
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!AllCpusInSmmWithExceptions (ARRIVAL_EXCEPTION_BLOCKED | ARRIVAL_EXCEPTION_SMI_DISABLED);
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!IsSyncTimerTimeout (Timer) && !(LmceEn && LmceSignal);
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)
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{
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mSmmMpSyncData->AllApArrivedWithException = AllCpusInSmmWithExceptions (ARRIVAL_EXCEPTION_BLOCKED | ARRIVAL_EXCEPTION_SMI_DISABLED);
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if (mSmmMpSyncData->AllApArrivedWithException) {
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break;
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}
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CpuPause ();
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}
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@ -330,10 +334,14 @@ SmmWaitForApArrival (
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// Sync with APs 2nd timeout.
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//
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for (Timer = StartSyncTimer ();
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!IsSyncTimerTimeout (Timer) &&
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!AllCpusInSmmWithExceptions (ARRIVAL_EXCEPTION_BLOCKED | ARRIVAL_EXCEPTION_SMI_DISABLED);
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!IsSyncTimerTimeout (Timer);
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)
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{
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mSmmMpSyncData->AllApArrivedWithException = AllCpusInSmmWithExceptions (ARRIVAL_EXCEPTION_BLOCKED | ARRIVAL_EXCEPTION_SMI_DISABLED);
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if (mSmmMpSyncData->AllApArrivedWithException) {
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break;
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}
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CpuPause ();
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}
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}
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@ -1887,6 +1895,8 @@ InitializeMpSyncData (
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*mSmmMpSyncData->InsideSmm = FALSE;
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*mSmmMpSyncData->AllCpusInSync = FALSE;
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mSmmMpSyncData->AllApArrivedWithException = FALSE;
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for (CpuIndex = 0; CpuIndex < gSmmCpuPrivate->SmmCoreEntryContext.NumberOfCpus; CpuIndex++) {
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mSmmMpSyncData->CpuData[CpuIndex].Busy =
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(SPIN_LOCK *)((UINTN)mSmmCpuSemaphores.SemaphoreCpu.Busy + mSemaphoreSize * CpuIndex);
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|
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@ -1,7 +1,7 @@
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/** @file
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Agent Module to load other modules to deploy SMM Entry Vector for X86 CPU.
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Copyright (c) 2009 - 2020, Intel Corporation. All rights reserved.<BR>
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Copyright (c) 2009 - 2022, Intel Corporation. All rights reserved.<BR>
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Copyright (c) 2017, AMD Incorporated. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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@ -428,6 +428,7 @@ typedef struct {
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volatile SMM_CPU_SYNC_MODE EffectiveSyncMode;
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volatile BOOLEAN SwitchBsp;
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volatile BOOLEAN *CandidateBsp;
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volatile BOOLEAN AllApArrivedWithException;
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EFI_AP_PROCEDURE StartupProcedure;
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VOID *StartupProcArgs;
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} SMM_DISPATCHER_MP_SYNC_DATA;
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@ -1488,4 +1489,30 @@ IsRestrictedMemoryAccess (
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VOID
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);
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/**
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Choose blocking or non-blocking mode to Wait for all APs.
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@param[in] This A pointer to the EDKII_SMM_CPU_RENDEZVOUS_PROTOCOL instance.
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@param[in] BlockingMode Blocking or non-blocking mode.
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@retval EFI_SUCCESS All APs have arrived SMM mode except SMI disabled APs.
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@retval EFI_TIMEOUT There are APs not in SMM mode in given timeout constraint.
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**/
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EFI_STATUS
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EFIAPI
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SmmCpuRendezvous (
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IN EDKII_SMM_CPU_RENDEZVOUS_PROTOCOL *This,
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IN BOOLEAN BlockingMode
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);
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/**
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Insure when this function returns, no AP will execute normal mode code before entering SMM, except SMI disabled APs.
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**/
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VOID
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SmmWaitForApArrival (
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VOID
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);
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#endif
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|
|
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|
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@ -4,7 +4,7 @@
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# This SMM driver performs SMM initialization, deploy SMM Entry Vector,
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# provides CPU specific services in SMM.
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#
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# Copyright (c) 2009 - 2021, Intel Corporation. All rights reserved.<BR>
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# Copyright (c) 2009 - 2022, Intel Corporation. All rights reserved.<BR>
|
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# Copyright (c) 2017, AMD Incorporated. All rights reserved.<BR>
|
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#
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# SPDX-License-Identifier: BSD-2-Clause-Patent
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@ -107,7 +107,8 @@
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gEfiSmmReadyToLockProtocolGuid ## NOTIFY
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gEfiSmmCpuServiceProtocolGuid ## PRODUCES
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gEdkiiSmmMemoryAttributeProtocolGuid ## PRODUCES
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gEfiMmMpProtocolGuid ## PRODUCES
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gEfiMmMpProtocolGuid ## PRODUCES
|
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gEdkiiSmmCpuRendezvousProtocolGuid ## PRODUCES
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[Guids]
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gEfiAcpiVariableGuid ## SOMETIMES_CONSUMES ## HOB # it is used for S3 boot.
|
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|
|
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|
|
@ -1,7 +1,7 @@
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## @file UefiCpuPkg.dec
|
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# This Package provides UEFI compatible CPU modules and libraries.
|
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#
|
||||
# Copyright (c) 2007 - 2021, Intel Corporation. All rights reserved.<BR>
|
||||
# Copyright (c) 2007 - 2022, Intel Corporation. All rights reserved.<BR>
|
||||
#
|
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# SPDX-License-Identifier: BSD-2-Clause-Patent
|
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#
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|
|
@ -62,6 +62,9 @@
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## @libraryclass Provides function for loading microcode.
|
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MicrocodeLib|Include/Library/MicrocodeLib.h
|
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|
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## @libraryclass Provides function for SMM CPU Rendezvous Library.
|
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SmmCpuRendezvousLib|Include/Library/SmmCpuRendezvousLib.h
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[Guids]
|
||||
gUefiCpuPkgTokenSpaceGuid = { 0xac05bf33, 0x995a, 0x4ed4, { 0xaa, 0xb8, 0xef, 0x7a, 0xe8, 0xf, 0x5c, 0xb0 }}
|
||||
gMsegSmramGuid = { 0x5802bce4, 0xeeee, 0x4e33, { 0xa1, 0x30, 0xeb, 0xad, 0x27, 0xf0, 0xe4, 0x39 }}
|
||||
|
|
@ -77,7 +80,8 @@
|
|||
|
||||
[Protocols]
|
||||
## Include/Protocol/SmmCpuService.h
|
||||
gEfiSmmCpuServiceProtocolGuid = { 0x1d202cab, 0xc8ab, 0x4d5c, { 0x94, 0xf7, 0x3c, 0xfc, 0xc0, 0xd3, 0xd3, 0x35 }}
|
||||
gEfiSmmCpuServiceProtocolGuid = { 0x1d202cab, 0xc8ab, 0x4d5c, { 0x94, 0xf7, 0x3c, 0xfc, 0xc0, 0xd3, 0xd3, 0x35 }}
|
||||
gEdkiiSmmCpuRendezvousProtocolGuid = { 0xaa00d50b, 0x4911, 0x428f, { 0xb9, 0x1a, 0xa5, 0x9d, 0xdb, 0x13, 0xe2, 0x4c }}
|
||||
|
||||
## Include/Protocol/SmMonitorInit.h
|
||||
gEfiSmMonitorInitProtocolGuid = { 0x228f344d, 0xb3de, 0x43bb, { 0xa4, 0xd7, 0xea, 0x20, 0xb, 0x1b, 0x14, 0x82 }}
|
||||
|
|
|
|||
|
|
@ -61,6 +61,7 @@
|
|||
TpmMeasurementLib|MdeModulePkg/Library/TpmMeasurementLibNull/TpmMeasurementLibNull.inf
|
||||
VmgExitLib|UefiCpuPkg/Library/VmgExitLibNull/VmgExitLibNull.inf
|
||||
MicrocodeLib|UefiCpuPkg/Library/MicrocodeLib/MicrocodeLib.inf
|
||||
SmmCpuRendezvousLib|UefiCpuPkg/Library/SmmCpuRendezvousLib/SmmCpuRendezvousLib.inf
|
||||
|
||||
[LibraryClasses.common.SEC]
|
||||
PlatformSecLib|UefiCpuPkg/Library/PlatformSecLibNull/PlatformSecLibNull.inf
|
||||
|
|
@ -173,6 +174,7 @@
|
|||
}
|
||||
UefiCpuPkg/Universal/Acpi/S3Resume2Pei/S3Resume2Pei.inf
|
||||
UefiCpuPkg/ResetVector/Vtf0/Bin/ResetVector.inf
|
||||
UefiCpuPkg/Library/SmmCpuRendezvousLib/SmmCpuRendezvousLib.inf
|
||||
|
||||
[BuildOptions]
|
||||
*_*_*_CC_FLAGS = -D DISABLE_NEW_DEPRECATED_INTERFACES
|
||||
|
|
|
|||
Loading…
Reference in New Issue