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f0c87b9ef4
StandaloneMmCpu driver is only used for Arm architecture and StandaloneMmCoreEntryPointLib for Arm has specific implementation with StandaloneMmCpu driver. Move StandaloneMmCpu Driver and StandaloneMmCoreEntryPointLib for Arm to ArmPkg. Continuous-integration-options: PatchCheck.ignore-multi-package Signed-off-by: Levi Yun <yeoreum.yun@arm.com>
100 lines
2.9 KiB
C
100 lines
2.9 KiB
C
/** @file
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Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
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Copyright (c) 2016 HP Development Company, L.P.
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Copyright (c) 2016 - 2024, Arm Limited. All rights reserved.
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Copyright (c) 2023, Ventana Micro System Inc. All rights reserved.
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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 <Pi/PiMmCis.h>
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#include <Library/DebugLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/HobLib.h>
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#include <Protocol/DebugSupport.h> // for EFI_SYSTEM_CONTEXT
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#include <Guid/ZeroGuid.h>
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#include <Guid/MmramMemoryReserve.h>
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#include <StandaloneMmCpu.h>
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//
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// mPiMmCpuDriverEpProtocol for Cpu driver entry point to handle
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// mm communication event.
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//
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extern EDKII_PI_MM_CPU_DRIVER_EP_PROTOCOL mPiMmCpuDriverEpProtocol;
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//
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// Private copy of the MM system table for future use
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//
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EFI_MM_SYSTEM_TABLE *mMmst = NULL;
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//
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// Globals used to initialize the protocol
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//
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STATIC EFI_HANDLE mMmCpuHandle = NULL;
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/** Entry point for the Standalone MM CPU driver.
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@param [in] ImageHandle Unused. Not actual image handle.
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@param [in] SystemTable Pointer to MM System table.
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@retval EFI_SUCCESS The function completed successfully.
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@retval EFI_INVALID_PARAMETER Invalid parameter.
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@retval EFI_OUT_OF_RESOURCES Out of resources.
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@retval EFI_NOT_FOUND Failed to find the HOB for the CPU
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driver endpoint descriptor.
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**/
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EFI_STATUS
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StandaloneMmCpuInitialize (
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IN EFI_HANDLE ImageHandle, // not actual imagehandle
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IN EFI_MM_SYSTEM_TABLE *SystemTable // not actual systemtable
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)
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{
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EFI_STATUS Status;
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EFI_HANDLE DispatchHandle;
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ASSERT (SystemTable != NULL);
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mMmst = SystemTable;
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// publish the MM config protocol so the MM core can register its entry point
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Status = mMmst->MmInstallProtocolInterface (
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&mMmCpuHandle,
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&gEfiMmConfigurationProtocolGuid,
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EFI_NATIVE_INTERFACE,
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&mMmConfig
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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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// Install entry point of this CPU driver to allow
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// the entry point driver to be invoked upon receipt of an event in
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// DelegatedEventLoop.
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Status = mMmst->MmInstallProtocolInterface (
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&mMmCpuHandle,
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&gEdkiiPiMmCpuDriverEpProtocolGuid,
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EFI_NATIVE_INTERFACE,
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&mPiMmCpuDriverEpProtocol
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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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// register the root MMI handler
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Status = mMmst->MmiHandlerRegister (
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PiMmCpuTpFwRootMmiHandler,
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NULL,
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&DispatchHandle
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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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return Status;
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}
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