This patch adds a simple CPU driver that exports the EFI_MM_CONFIGURATION_PROTOCOL to allow registration of the Standalone MM Foundation entry point. It preserves the existing notification mechanism for the configuration protocol.
Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Achin Gupta <achin.gu...@arm.com> Signed-off-by: Supreeth Venkatesh <supreeth.venkat...@arm.com> Cc: Jiewen Yao <jiewen....@intel.com> Cc: Achin Gupta <achin.gu...@arm.com> --- .../Drivers/StandaloneMmCpu/AArch64/EventHandle.c | 208 +++++++++++++++++++ .../StandaloneMmCpu/AArch64/StandaloneMmCpu.c | 219 +++++++++++++++++++++ .../StandaloneMmCpu/AArch64/StandaloneMmCpu.h | 64 ++++++ .../StandaloneMmCpu/AArch64/StandaloneMmCpu.inf | 59 ++++++ StandaloneMmPkg/Include/Guid/MpInformation.h | 41 ++++ 5 files changed, 591 insertions(+) create mode 100644 StandaloneMmPkg/Drivers/StandaloneMmCpu/AArch64/EventHandle.c create mode 100644 StandaloneMmPkg/Drivers/StandaloneMmCpu/AArch64/StandaloneMmCpu.c create mode 100644 StandaloneMmPkg/Drivers/StandaloneMmCpu/AArch64/StandaloneMmCpu.h create mode 100644 StandaloneMmPkg/Drivers/StandaloneMmCpu/AArch64/StandaloneMmCpu.inf create mode 100644 StandaloneMmPkg/Include/Guid/MpInformation.h diff --git a/StandaloneMmPkg/Drivers/StandaloneMmCpu/AArch64/EventHandle.c b/StandaloneMmPkg/Drivers/StandaloneMmCpu/AArch64/EventHandle.c new file mode 100644 index 0000000..5f39216 --- /dev/null +++ b/StandaloneMmPkg/Drivers/StandaloneMmCpu/AArch64/EventHandle.c @@ -0,0 +1,208 @@ +/** @file + + Copyright (c) 2016 HP Development Company, L.P. + Copyright (c) 2016 - 2018, ARM Limited. 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. + +**/ + +#include <Base.h> +#include <Pi/PiMmCis.h> + + +#include <Library/ArmSvcLib.h> +#include <Library/ArmLib.h> +#include <Library/BaseMemoryLib.h> +#include <Library/DebugLib.h> +#include <Library/HobLib.h> + +#include <Protocol/DebugSupport.h> // for EFI_SYSTEM_CONTEXT + +#include <Guid/ZeroGuid.h> +#include <Guid/MmramMemoryReserve.h> + +#include <IndustryStandard/ArmStdSmc.h> + +#include "StandaloneMmCpu.h" + +EFI_STATUS +EFIAPI +MmFoundationEntryRegister( + IN CONST EFI_MM_CONFIGURATION_PROTOCOL *This, + IN EFI_MM_ENTRY_POINT MmEntryPoint + ); + +// +// On ARM platforms every event is expected to have a GUID associated with +// it. It will be used by the MM Entry point to find the handler for the +// event. It will either be populated in a EFI_MM_COMMUNICATE_HEADER by the +// caller of the event (e.g. MM_COMMUNICATE SMC) or by the CPU driver +// (e.g. during an asynchronous event). In either case, this context is +// maintained in an array which has an entry for each CPU. The pointer to this +// array is held in PerCpuGuidedEventContext. Memory is allocated once the +// number of CPUs in the system are made known through the +// MP_INFORMATION_HOB_DATA. +// +EFI_MM_COMMUNICATE_HEADER **PerCpuGuidedEventContext = NULL; + +// Descriptor with whereabouts of memory used for communication with the normal world +EFI_MMRAM_DESCRIPTOR mNsCommBuffer; + +MP_INFORMATION_HOB_DATA *mMpInformationHobData; + +EFI_MM_CONFIGURATION_PROTOCOL mMmConfig = { + 0, + MmFoundationEntryRegister +}; + +static EFI_MM_ENTRY_POINT mMmEntryPoint = NULL; + +EFI_STATUS +PiMmStandloneArmTfCpuDriverEntry ( + IN UINTN EventId, + IN UINTN CpuNumber, + IN UINTN NsCommBufferAddr + ) +{ + EFI_MM_COMMUNICATE_HEADER *GuidedEventContext = NULL; + EFI_MM_ENTRY_CONTEXT MmEntryPointContext = {0}; + EFI_STATUS Status; + UINTN NsCommBufferSize; + + DEBUG ((DEBUG_INFO, "Received event - 0x%x on cpu %d\n", EventId, CpuNumber)); + + Status = EFI_SUCCESS; + // + // ARM TF passes SMC FID of the MM_COMMUNICATE interface as the Event ID upon + // receipt of a synchronous MM request. Use the Event ID to distinguish + // between synchronous and asynchronous events. + // + if (ARM_SMC_ID_MM_COMMUNICATE_AARCH64 != EventId) { + DEBUG ((DEBUG_INFO, "UnRecognized Event - 0x%x\n", EventId)); + return EFI_INVALID_PARAMETER; + } else { + // Perform parameter validation of NsCommBufferAddr + + if (NsCommBufferAddr && (NsCommBufferAddr < mNsCommBuffer.PhysicalStart)) + return EFI_ACCESS_DENIED; + + // Find out the size of the buffer passed + NsCommBufferSize = ((EFI_MM_COMMUNICATE_HEADER *) NsCommBufferAddr)->MessageLength + + sizeof(((EFI_MM_COMMUNICATE_HEADER *)NsCommBufferAddr)->MessageLength) + + sizeof(((EFI_MM_COMMUNICATE_HEADER *)NsCommBufferAddr)->HeaderGuid); + + // perform bounds check. + if (NsCommBufferAddr + NsCommBufferSize >= + mNsCommBuffer.PhysicalStart + mNsCommBuffer.PhysicalSize) + return EFI_ACCESS_DENIED; + + + // Now that the secure world can see the normal world buffer, allocate + // memory to copy the communication buffer to the secure world. + Status = mMmst->MmAllocatePool(EfiRuntimeServicesData, NsCommBufferSize, (VOID **) &GuidedEventContext); + if (Status != EFI_SUCCESS) { + DEBUG ((DEBUG_INFO, "Mem alloc failed - 0x%x\n", EventId)); + return EFI_OUT_OF_RESOURCES; + } + + // X1 contains the VA of the normal world memory accessible from + // S-EL0 + CopyMem(GuidedEventContext, (CONST VOID *) NsCommBufferAddr, NsCommBufferSize); + } + + // Stash the pointer to the allocated Event Context for this CPU + PerCpuGuidedEventContext[CpuNumber] = GuidedEventContext; + + MmEntryPointContext.CurrentlyExecutingCpu = CpuNumber; + MmEntryPointContext.NumberOfCpus = mMpInformationHobData->NumberOfProcessors; + + // Populate the MM system table with MP and state information + mMmst->CurrentlyExecutingCpu = CpuNumber; + mMmst->NumberOfCpus = mMpInformationHobData->NumberOfProcessors; + mMmst->CpuSaveStateSize = 0; + mMmst->CpuSaveState = NULL; + + if (mMmEntryPoint == NULL) { + DEBUG ((DEBUG_INFO, "Mm Entry point Not Found\n")); + return EFI_UNSUPPORTED; + } + + mMmEntryPoint(&MmEntryPointContext); + // Free the memory allocation done earlier and reset the per-cpu context + ASSERT (GuidedEventContext); + CopyMem ((VOID *)NsCommBufferAddr, (CONST VOID *) GuidedEventContext, NsCommBufferSize); + Status = mMmst->MmFreePool((VOID *) GuidedEventContext); + if (Status != EFI_SUCCESS) { + return EFI_OUT_OF_RESOURCES; + } + PerCpuGuidedEventContext[CpuNumber] = NULL; + + return Status; +} + +EFI_STATUS +EFIAPI +MmFoundationEntryRegister( + IN CONST EFI_MM_CONFIGURATION_PROTOCOL *This, + IN EFI_MM_ENTRY_POINT MmEntryPoint + ) { + // store the entry point in a global + mMmEntryPoint = MmEntryPoint; + return EFI_SUCCESS; +} + +/** + This function is the main entry point for an MM handler dispatch + or communicate-based callback. + + @param DispatchHandle The unique handle assigned to this handler by MmiHandlerRegister(). + @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-MM environment into an MM environment. + @param CommBufferSize The size of the CommBuffer. + + @return Status Code + +**/ +EFI_STATUS +EFIAPI +PiMmCpuTpFwRootMmiHandler ( + IN EFI_HANDLE DispatchHandle, + IN CONST VOID *Context, OPTIONAL + IN OUT VOID *CommBuffer, OPTIONAL + IN OUT UINTN *CommBufferSize OPTIONAL + ) +{ + EFI_STATUS Status; + UINTN CpuNumber; + + ASSERT (Context == NULL); + ASSERT (CommBuffer == NULL); + ASSERT (CommBufferSize == NULL); + + CpuNumber = mMmst->CurrentlyExecutingCpu; + if (!PerCpuGuidedEventContext[CpuNumber]) + return EFI_NOT_FOUND; + + DEBUG ((DEBUG_INFO, "CommBuffer - 0x%x, CommBufferSize - 0x%x\n", + PerCpuGuidedEventContext[CpuNumber], + PerCpuGuidedEventContext[CpuNumber]->MessageLength)); + + Status = mMmst->MmiManage(&PerCpuGuidedEventContext[CpuNumber]->HeaderGuid, + NULL, + PerCpuGuidedEventContext[CpuNumber]->Data, + &PerCpuGuidedEventContext[CpuNumber]->MessageLength); + + if (Status != EFI_SUCCESS) { + DEBUG ((DEBUG_WARN, "Unable to manage Guided Event - %d\n", Status)); + } + + return Status; +} diff --git a/StandaloneMmPkg/Drivers/StandaloneMmCpu/AArch64/StandaloneMmCpu.c b/StandaloneMmPkg/Drivers/StandaloneMmCpu/AArch64/StandaloneMmCpu.c new file mode 100644 index 0000000..fd4bbdc --- /dev/null +++ b/StandaloneMmPkg/Drivers/StandaloneMmCpu/AArch64/StandaloneMmCpu.c @@ -0,0 +1,219 @@ +/** @file + + Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR> + Copyright (c) 2016 HP Development Company, L.P. + Copyright (c) 2016 - 2018, ARM Limited. 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. + +**/ + +#include <Base.h> +#include <Pi/PiMmCis.h> +#include <Library/AArch64/StandaloneMmCoreEntryPoint.h> +#include <Library/DebugLib.h> +#include <Library/ArmSvcLib.h> +#include <Library/ArmLib.h> +#include <Library/BaseMemoryLib.h> +#include <Library/HobLib.h> + +#include <Protocol/DebugSupport.h> // for EFI_SYSTEM_CONTEXT + +#include <Guid/ZeroGuid.h> +#include <Guid/MmramMemoryReserve.h> + + +#include "StandaloneMmCpu.h" + +// GUID to identify HOB with whereabouts of communication buffer with Normal +// World +extern EFI_GUID gEfiStandaloneMmNonSecureBufferGuid; + +// GUID to identify HOB where the entry point of this CPU driver will be +// populated to allow the entry point driver to invoke it upon receipt of an +// event +extern EFI_GUID gEfiArmTfCpuDriverEpDescriptorGuid; + +// +// Private copy of the MM system table for future use +// +EFI_MM_SYSTEM_TABLE *mMmst = NULL; + +// +// Globals used to initialize the protocol +// +static EFI_HANDLE mMmCpuHandle = NULL; + +EFI_STATUS +GetGuidedHobData ( + IN VOID *HobList, + IN CONST EFI_GUID *HobGuid, + OUT VOID **HobData) +{ + EFI_HOB_GUID_TYPE *Hob; + + if (!HobList || !HobGuid || !HobData) + return EFI_INVALID_PARAMETER; + + Hob = GetNextGuidHob (HobGuid, HobList); + if (!Hob) + return EFI_NOT_FOUND; + + *HobData = GET_GUID_HOB_DATA (Hob); + if (!HobData) + return EFI_NOT_FOUND; + + return EFI_SUCCESS; +} + +EFI_STATUS +StandloneMmCpuInitialize ( + IN EFI_HANDLE ImageHandle, // not actual imagehandle + IN EFI_MM_SYSTEM_TABLE *SystemTable // not actual systemtable + ) +{ + ARM_TF_CPU_DRIVER_EP_DESCRIPTOR *CpuDriverEntryPointDesc; + EFI_CONFIGURATION_TABLE *ConfigurationTable; + MP_INFORMATION_HOB_DATA *MpInformationHobData; + EFI_MMRAM_DESCRIPTOR *NsCommBufMmramRange; + EFI_STATUS Status; + EFI_HANDLE DispatchHandle; + UINT32 MpInfoSize; + UINTN Index; + UINTN ArraySize; + VOID *HobStart; + + ASSERT (SystemTable != NULL); + mMmst = SystemTable; + + // publish the MM config protocol so the MM core can register its entry point + Status = mMmst->MmInstallProtocolInterface (&mMmCpuHandle, + &gEfiMmConfigurationProtocolGuid, + EFI_NATIVE_INTERFACE, + &mMmConfig); + if (EFI_ERROR(Status)) { + return Status; + } + + // register the root MMI handler + Status = mMmst->MmiHandlerRegister (PiMmCpuTpFwRootMmiHandler, + NULL, + &DispatchHandle); + if (EFI_ERROR(Status)) { + return Status; + } + + // Retrieve the Hoblist from the MMST to extract the details of the NS + // communication buffer that has been reserved by S-EL1/EL3 + ConfigurationTable = mMmst->MmConfigurationTable; + for (Index = 0; Index < mMmst->NumberOfTableEntries; Index++) { + if (CompareGuid (&gEfiHobListGuid, &(ConfigurationTable[Index].VendorGuid))) { + break; + } + } + + // Bail out if the Hoblist could not be found + if (Index >= mMmst->NumberOfTableEntries) { + DEBUG ((DEBUG_INFO, "Hoblist not found - 0x%x\n", Index)); + return EFI_OUT_OF_RESOURCES; + } + + HobStart = ConfigurationTable[Index].VendorTable; + + // + // Locate the HOB with the buffer to populate the entry point of this driver + // + Status = GetGuidedHobData ( + HobStart, + &gEfiArmTfCpuDriverEpDescriptorGuid, + (VOID **) &CpuDriverEntryPointDesc); + if (EFI_ERROR (Status)) { + DEBUG ((DEBUG_INFO, "ArmTfCpuDriverEpDesc HOB data extraction failed - 0x%x\n", Status)); + return Status; + } + + // Share the entry point of the CPU driver + DEBUG ((DEBUG_INFO, "Sharing Cpu Driver EP *0x%lx = 0x%lx\n", + (UINT64) CpuDriverEntryPointDesc->ArmTfCpuDriverEpPtr, + (UINT64) PiMmStandloneArmTfCpuDriverEntry)); + *(CpuDriverEntryPointDesc->ArmTfCpuDriverEpPtr) = PiMmStandloneArmTfCpuDriverEntry; + + // Find the descriptor that contains the whereabouts of the buffer for + // communication with the Normal world. + Status = GetGuidedHobData ( + HobStart, + &gEfiStandaloneMmNonSecureBufferGuid, + (VOID **) &NsCommBufMmramRange); + if (EFI_ERROR(Status)) { + DEBUG ((DEBUG_INFO, "NsCommBufMmramRange HOB data extraction failed - 0x%x\n", Status)); + return Status; + } + + DEBUG ((DEBUG_INFO, "mNsCommBuffer.PhysicalStart - 0x%lx\n", (UINT64) NsCommBufMmramRange->PhysicalStart)); + DEBUG ((DEBUG_INFO, "mNsCommBuffer.PhysicalSize - 0x%lx\n", (UINT64) NsCommBufMmramRange->PhysicalSize)); + + CopyMem (&mNsCommBuffer, NsCommBufMmramRange, sizeof(EFI_MMRAM_DESCRIPTOR)); + DEBUG ((DEBUG_INFO, "mNsCommBuffer: 0x%016lx - 0x%lx\n", mNsCommBuffer.CpuStart, mNsCommBuffer.PhysicalSize)); + + // + // Extract the MP information from the Hoblist + // + Status = GetGuidedHobData (HobStart, + &gMpInformationHobGuid, + (VOID **) &MpInformationHobData); + if (EFI_ERROR (Status)) { + DEBUG ((DEBUG_INFO, "MpInformationHob extraction failed - 0x%x\n", Status)); + return Status; + } + + // + // Allocate memory for the MP information and copy over the MP information + // passed by Trusted Firmware. Use the number of processors passed in the HOB + // to copy the processor information + // + MpInfoSize = sizeof (MP_INFORMATION_HOB_DATA) + + (sizeof (EFI_PROCESSOR_INFORMATION) * + MpInformationHobData->NumberOfProcessors); + Status = mMmst->MmAllocatePool (EfiRuntimeServicesData, + MpInfoSize, + (void **) &mMpInformationHobData); + if (EFI_ERROR (Status)) { + DEBUG ((DEBUG_INFO, "mMpInformationHobData mem alloc failed - 0x%x\n", Status)); + return Status; + } + + CopyMem (mMpInformationHobData, MpInformationHobData, MpInfoSize); + + // Print MP information + DEBUG ((DEBUG_INFO, "mMpInformationHobData: 0x%016lx - 0x%lx\n", + mMpInformationHobData->NumberOfProcessors, + mMpInformationHobData->NumberOfEnabledProcessors)); + for (Index = 0; Index < mMpInformationHobData->NumberOfProcessors; Index++) { + DEBUG ((DEBUG_INFO, "mMpInformationHobData[0x%lx]: %d, %d, %d\n", + mMpInformationHobData->ProcessorInfoBuffer[Index].ProcessorId, + mMpInformationHobData->ProcessorInfoBuffer[Index].Location.Package, + mMpInformationHobData->ProcessorInfoBuffer[Index].Location.Core, + mMpInformationHobData->ProcessorInfoBuffer[Index].Location.Thread)); + } + + // + // Allocate memory for a table to hold pointers to a + // EFI_MM_COMMUNICATE_HEADER for each CPU + // + ArraySize = sizeof (EFI_MM_COMMUNICATE_HEADER *) * + mMpInformationHobData->NumberOfEnabledProcessors; + Status = mMmst->MmAllocatePool (EfiRuntimeServicesData, + ArraySize, + (VOID **) &PerCpuGuidedEventContext); + if (EFI_ERROR (Status)) { + DEBUG ((DEBUG_INFO, "PerCpuGuidedEventContext mem alloc failed - 0x%x\n", Status)); + return Status; + } + return Status; +} diff --git a/StandaloneMmPkg/Drivers/StandaloneMmCpu/AArch64/StandaloneMmCpu.h b/StandaloneMmPkg/Drivers/StandaloneMmCpu/AArch64/StandaloneMmCpu.h new file mode 100644 index 0000000..7b38b65 --- /dev/null +++ b/StandaloneMmPkg/Drivers/StandaloneMmCpu/AArch64/StandaloneMmCpu.h @@ -0,0 +1,64 @@ +/** @file + Private header with declarations and definitions specific to the MM Standalone + CPU driver + + Copyright (c) 2017 - 2018, ARM Limited. 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. + +**/ + +#ifndef _ARM_TF_CPU_DRIVER_H_ +#define _ARM_TF_CPU_DRIVER_H_ + +#include <Protocol/MmCommunication.h> +#include <Protocol/MmConfiguration.h> +#include <Protocol/MmCpu.h> +#include <Guid/MpInformation.h> + +// +// CPU driver initialization specific declarations +// +extern EFI_MM_SYSTEM_TABLE *mMmst; + +// +// CPU State Save protocol specific declarations +// +extern EFI_MM_CPU_PROTOCOL mMmCpuState; + +// +// MM event handling specific declarations +// +extern EFI_MM_COMMUNICATE_HEADER **PerCpuGuidedEventContext; +extern EFI_MMRAM_DESCRIPTOR mNsCommBuffer; +extern MP_INFORMATION_HOB_DATA *mMpInformationHobData; +extern EFI_MM_CONFIGURATION_PROTOCOL mMmConfig; + +EFI_STATUS +PiMmStandloneArmTfCpuDriverEntry ( + IN UINTN EventId, + IN UINTN CpuNumber, + IN UINTN NsCommBufferAddr + ); + +EFI_STATUS +EFIAPI +PiMmCpuTpFwRootMmiHandler ( + IN EFI_HANDLE DispatchHandle, + IN CONST VOID *Context, OPTIONAL + IN OUT VOID *CommBuffer, OPTIONAL + IN OUT UINTN *CommBufferSize OPTIONAL + ); + +EFI_STATUS _PiMmStandloneArmTfCpuDriverEntry ( + IN UINTN EventId, + IN UINTN CpuNumber, + IN UINTN NsCommBufferAddr + ); + +#endif diff --git a/StandaloneMmPkg/Drivers/StandaloneMmCpu/AArch64/StandaloneMmCpu.inf b/StandaloneMmPkg/Drivers/StandaloneMmCpu/AArch64/StandaloneMmCpu.inf new file mode 100644 index 0000000..9e6bbab --- /dev/null +++ b/StandaloneMmPkg/Drivers/StandaloneMmCpu/AArch64/StandaloneMmCpu.inf @@ -0,0 +1,59 @@ +#/** @file +# +# Standalone MM CPU driver for ARM Standard Platforms +# +# Copyright (c) 2009, Apple Inc. All rights reserved.<BR> +# Copyright (c) 2016 HP Development Company, L.P. +# Copyright (c) 2017 - 2018, ARM Limited. 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. +# +#**/ + +[Defines] + INF_VERSION = 0x0001001A + BASE_NAME = StandloneMmCpu + FILE_GUID = 58F7A62B-6280-42A7-BC38-10535A64A92C + MODULE_TYPE = MM_STANDALONE + VERSION_STRING = 1.0 + PI_SPECIFICATION_VERSION = 0x00010032 + ENTRY_POINT = StandloneMmCpuInitialize + +[Sources] + StandaloneMmCpu.c + EventHandle.c + +[Packages] + ArmPkg/ArmPkg.dec + MdePkg/MdePkg.dec + MdeModulePkg/MdeModulePkg.dec + StandaloneMmPkg/StandaloneMmPkg.dec + +[LibraryClasses] + ArmLib + ArmSvcLib + BaseMemoryLib + DebugLib + HobLib + StandaloneMmDriverEntryPoint + +[Protocols] + gEfiMmConfigurationProtocolGuid # PROTOCOL ALWAYS_PRODUCED + gEfiMmCpuProtocolGuid # PROTOCOL ALWAYS_PRODUCED + +[Guids] + gEfiHobListGuid + gEfiMmPeiMmramMemoryReserveGuid + gZeroGuid + gMpInformationHobGuid + gEfiStandaloneMmNonSecureBufferGuid + gEfiArmTfCpuDriverEpDescriptorGuid + +[Depex] + TRUE diff --git a/StandaloneMmPkg/Include/Guid/MpInformation.h b/StandaloneMmPkg/Include/Guid/MpInformation.h new file mode 100644 index 0000000..c88ff4a --- /dev/null +++ b/StandaloneMmPkg/Include/Guid/MpInformation.h @@ -0,0 +1,41 @@ +/** @file + EFI MP information protocol provides a lightweight MP_SERVICES_PROTOCOL. + + MP information protocol only provides static information of MP processor. + + Copyright (c) 2009, Intel Corporation. All rights reserved.<BR> + Copyright (c) 2016 - 2018, ARM Limited. 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 + 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. + +**/ + +#ifndef _MP_INFORMATION_H_ +#define _MP_INFORMATION_H_ + +#include <Protocol/MpService.h> +#include <PiPei.h> +#include <Ppi/SecPlatformInformation.h> + +#define MP_INFORMATION_GUID \ + { \ + 0xba33f15d, 0x4000, 0x45c1, {0x8e, 0x88, 0xf9, 0x16, 0x92, 0xd4, 0x57, 0xe3} \ + } + +#pragma pack(1) +typedef struct { + UINT64 NumberOfProcessors; + UINT64 NumberOfEnabledProcessors; + EFI_PROCESSOR_INFORMATION ProcessorInfoBuffer[]; +} MP_INFORMATION_HOB_DATA; +#pragma pack() + +extern EFI_GUID gMpInformationHobGuid; + +#endif -- 2.7.4 _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel
