diff options
| author | Levi Yun <yeoreum.yun@arm.com> | 2024-11-11 12:35:33 +0000 |
|---|---|---|
| committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2025-01-17 14:55:42 +0000 |
| commit | f0c87b9ef421954ec0e7942d9e8d7d4d14b208b3 (patch) | |
| tree | 4ea97ff59912ba3ac73251b92770a2a45dca6248 /StandaloneMmPkg | |
| parent | b370eab8987d27fe9b679201d85312b06ac3b730 (diff) | |
| download | edk2-f0c87b9ef421954ec0e7942d9e8d7d4d14b208b3.tar.gz | |
StandaloneMmPkg: move core entry point lib and cpu driver to ArmPkg
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>
Diffstat (limited to 'StandaloneMmPkg')
13 files changed, 5 insertions, 2889 deletions
diff --git a/StandaloneMmPkg/Drivers/StandaloneMmCpu/EventHandle.c b/StandaloneMmPkg/Drivers/StandaloneMmCpu/EventHandle.c deleted file mode 100644 index b6cecd1336..0000000000 --- a/StandaloneMmPkg/Drivers/StandaloneMmCpu/EventHandle.c +++ /dev/null @@ -1,210 +0,0 @@ -/** @file
-
- Copyright (c) 2016 HP Development Company, L.P.
- Copyright (c) 2016 - 2024, Arm Limited. All rights reserved.
- Copyright (c) 2021, Linaro Limited
- Copyright (c) 2023, Ventana Micro System Inc. All rights reserved.
-
- SPDX-License-Identifier: BSD-2-Clause-Patent
-
-**/
-
-#include <Base.h>
-#include <Pi/PiMmCis.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 <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 single global variable because StandaloneMm is UP-migratable
-// (which means it cannot run concurrently)
-//
-EFI_MM_COMMUNICATE_HEADER *gGuidedEventContext = NULL;
-
-EFI_MM_CONFIGURATION_PROTOCOL mMmConfig = {
- 0,
- MmFoundationEntryRegister
-};
-
-EDKII_PI_MM_CPU_DRIVER_EP_PROTOCOL mPiMmCpuDriverEpProtocol = {
- PiMmStandaloneMmCpuDriverEntry
-};
-
-STATIC EFI_MM_ENTRY_POINT mMmEntryPoint = NULL;
-
-/**
- The PI Standalone MM entry point for the CPU driver.
-
- @param [in] EventId The event Id.
- @param [in] CommBufferAddr Address of the communication buffer.
-
- @retval EFI_SUCCESS Success.
- @retval EFI_INVALID_PARAMETER A parameter was invalid.
- @retval EFI_ACCESS_DENIED Access not permitted.
- @retval EFI_OUT_OF_RESOURCES Out of resources.
- @retval EFI_UNSUPPORTED Operation not supported.
-**/
-EFI_STATUS
-PiMmStandaloneMmCpuDriverEntry (
- IN UINTN EventId,
- IN UINTN CommBufferAddr
- )
-{
- EFI_MM_ENTRY_CONTEXT MmEntryPointContext;
- EFI_STATUS Status;
- UINTN CommBufferSize;
-
- DEBUG ((DEBUG_INFO, "Received event - 0x%x\n", EventId));
-
- Status = EFI_SUCCESS;
-
- // Perform parameter validation of NsCommBufferAddr
- if (CommBufferAddr == (UINTN)NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- if (mMmEntryPoint == NULL) {
- DEBUG ((DEBUG_ERROR, "Mm Entry point Not Found\n"));
- return EFI_UNSUPPORTED;
- }
-
- // Find out the size of the buffer passed
- CommBufferSize = ((EFI_MM_COMMUNICATE_HEADER *)CommBufferAddr)->MessageLength +
- sizeof (EFI_MM_COMMUNICATE_HEADER);
-
- // 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,
- CommBufferSize,
- (VOID **)&gGuidedEventContext
- );
-
- if (EFI_ERROR (Status)) {
- gGuidedEventContext = NULL;
- DEBUG ((DEBUG_ERROR, "Mem alloc failed - 0x%x\n", EventId));
- return Status;
- }
-
- CopyMem (gGuidedEventContext, (CONST VOID *)CommBufferAddr, CommBufferSize);
-
- ZeroMem (&MmEntryPointContext, sizeof (EFI_MM_ENTRY_CONTEXT));
-
- // StandaloneMm UP-migratable which means it cannot run concurrently.
- // Therefore, set number of cpus as 1 and cpu number as 0.
- MmEntryPointContext.CurrentlyExecutingCpu = 0;
- MmEntryPointContext.NumberOfCpus = 1;
-
- // Populate the MM system table with MP and state information
- mMmst->CurrentlyExecutingCpu = 0;
- mMmst->NumberOfCpus = 1;
- mMmst->CpuSaveStateSize = 0;
- mMmst->CpuSaveState = NULL;
-
- mMmEntryPoint (&MmEntryPointContext);
-
- // Free the memory allocation done earlier and reset the per-cpu context
- CopyMem ((VOID *)CommBufferAddr, (CONST VOID *)gGuidedEventContext, CommBufferSize);
-
- Status = mMmst->MmFreePool ((VOID *)gGuidedEventContext);
- ASSERT_EFI_ERROR (Status);
- gGuidedEventContext = NULL;
-
- return Status;
-}
-
-/**
- Registers the MM foundation entry point.
-
- @param [in] This Pointer to the MM Configuration protocol.
- @param [in] MmEntryPoint Function pointer to the MM Entry point.
-
- @retval EFI_SUCCESS Success.
-**/
-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;
-
- ASSERT (Context == NULL);
- ASSERT (CommBuffer == NULL);
- ASSERT (CommBufferSize == NULL);
-
- if (gGuidedEventContext == NULL) {
- return EFI_NOT_FOUND;
- }
-
- DEBUG ((
- DEBUG_INFO,
- "CommBuffer - 0x%x, CommBufferSize - 0x%x\n",
- gGuidedEventContext,
- gGuidedEventContext->MessageLength
- ));
-
- Status = mMmst->MmiManage (
- &gGuidedEventContext->HeaderGuid,
- NULL,
- gGuidedEventContext->Data,
- &gGuidedEventContext->MessageLength
- );
-
- if (Status != EFI_SUCCESS) {
- DEBUG ((DEBUG_WARN, "Unable to manage Guided Event - %d\n", Status));
- }
-
- return Status;
-}
diff --git a/StandaloneMmPkg/Drivers/StandaloneMmCpu/StandaloneMmCpu.c b/StandaloneMmPkg/Drivers/StandaloneMmCpu/StandaloneMmCpu.c deleted file mode 100644 index f2b566b108..0000000000 --- a/StandaloneMmPkg/Drivers/StandaloneMmCpu/StandaloneMmCpu.c +++ /dev/null @@ -1,99 +0,0 @@ -/** @file
-
- Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
- Copyright (c) 2016 HP Development Company, L.P.
- Copyright (c) 2016 - 2024, Arm Limited. All rights reserved.
- Copyright (c) 2023, Ventana Micro System Inc. All rights reserved.
-
- SPDX-License-Identifier: BSD-2-Clause-Patent
-
-**/
-
-#include <Base.h>
-#include <Pi/PiMmCis.h>
-#include <Library/DebugLib.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>
-
-//
-// mPiMmCpuDriverEpProtocol for Cpu driver entry point to handle
-// mm communication event.
-//
-extern EDKII_PI_MM_CPU_DRIVER_EP_PROTOCOL mPiMmCpuDriverEpProtocol;
-
-//
-// 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;
-
-/** Entry point for the Standalone MM CPU driver.
-
- @param [in] ImageHandle Unused. Not actual image handle.
- @param [in] SystemTable Pointer to MM System table.
-
- @retval EFI_SUCCESS The function completed successfully.
- @retval EFI_INVALID_PARAMETER Invalid parameter.
- @retval EFI_OUT_OF_RESOURCES Out of resources.
- @retval EFI_NOT_FOUND Failed to find the HOB for the CPU
- driver endpoint descriptor.
-**/
-EFI_STATUS
-StandaloneMmCpuInitialize (
- IN EFI_HANDLE ImageHandle, // not actual imagehandle
- IN EFI_MM_SYSTEM_TABLE *SystemTable // not actual systemtable
- )
-{
- EFI_STATUS Status;
- EFI_HANDLE DispatchHandle;
-
- 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;
- }
-
- // Install entry point of this CPU driver to allow
- // the entry point driver to be invoked upon receipt of an event in
- // DelegatedEventLoop.
- Status = mMmst->MmInstallProtocolInterface (
- &mMmCpuHandle,
- &gEdkiiPiMmCpuDriverEpProtocolGuid,
- EFI_NATIVE_INTERFACE,
- &mPiMmCpuDriverEpProtocol
- );
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- // register the root MMI handler
- Status = mMmst->MmiHandlerRegister (
- PiMmCpuTpFwRootMmiHandler,
- NULL,
- &DispatchHandle
- );
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- return Status;
-}
diff --git a/StandaloneMmPkg/Drivers/StandaloneMmCpu/StandaloneMmCpu.inf b/StandaloneMmPkg/Drivers/StandaloneMmCpu/StandaloneMmCpu.inf deleted file mode 100644 index 36b70ba1b9..0000000000 --- a/StandaloneMmPkg/Drivers/StandaloneMmCpu/StandaloneMmCpu.inf +++ /dev/null @@ -1,49 +0,0 @@ -## @file
-# Standalone MM CPU driver
-#
-# Copyright (c) 2009, Apple Inc. All rights reserved.<BR>
-# Copyright (c) 2016 HP Development Company, L.P.
-# Copyright (c) 2017 - 2021, Arm Limited. All rights reserved.
-# Copyright (c) 2023, Ventana Micro System Inc. All rights reserved.
-#
-# SPDX-License-Identifier: BSD-2-Clause-Patent
-##
-
-[Defines]
- INF_VERSION = 0x0001001A
- BASE_NAME = StandaloneMmCpu
- FILE_GUID = 58F7A62B-6280-42A7-BC38-10535A64A92C
- MODULE_TYPE = MM_STANDALONE
- VERSION_STRING = 1.0
- PI_SPECIFICATION_VERSION = 0x00010032
- ENTRY_POINT = StandaloneMmCpuInitialize
-
-[Sources]
- StandaloneMmCpu.c
- EventHandle.c
-
-[Packages]
- MdePkg/MdePkg.dec
- MdeModulePkg/MdeModulePkg.dec
- StandaloneMmPkg/StandaloneMmPkg.dec
-
-[LibraryClasses]
- BaseMemoryLib
- DebugLib
- HobLib
- StandaloneMmDriverEntryPoint
-
-[Protocols]
- gEfiMmConfigurationProtocolGuid # PROTOCOL ALWAYS_PRODUCED
- gEfiMmCpuProtocolGuid # PROTOCOL ALWAYS_PRODUCED
- gEdkiiPiMmCpuDriverEpProtocolGuid # PROTOCOL ALWAYS_PRODUCED
-
-[Guids]
- gEfiHobListGuid
- gEfiMmPeiMmramMemoryReserveGuid
- gZeroGuid
- gMpInformationHobGuid
- gEfiStandaloneMmNonSecureBufferGuid
-
-[Depex]
- TRUE
diff --git a/StandaloneMmPkg/Include/Library/Arm/StandaloneMmCoreEntryPoint.h b/StandaloneMmPkg/Include/Library/Arm/StandaloneMmCoreEntryPoint.h deleted file mode 100644 index 1549211613..0000000000 --- a/StandaloneMmPkg/Include/Library/Arm/StandaloneMmCoreEntryPoint.h +++ /dev/null @@ -1,294 +0,0 @@ -/** @file
- Entry point to the Standalone MM Foundation when initialized during the SEC
- phase on ARM platforms
-
- Copyright (c) 2017 - 2024, Arm Ltd. All rights reserved.<BR>
- SPDX-License-Identifier: BSD-2-Clause-Patent
-
- @par Glossary:
- - SPM_MM - An implementation where the Secure Partition Manager resides at EL3
- with management services running from an isolated Secure Partitions
- at S-EL0, and the communication protocol is the Management Mode(MM)
- interface.
- - FF-A - Firmware Framework for Arm A-profile
- - TL - Transfer List
-
- @par Reference(s):
- - Transfer List [https://github.com/FirmwareHandoff/firmware_handoff]
- - Secure Partition Manager [https://trustedfirmware-a.readthedocs.io/en/latest/components/secure-partition-manager-mm.html].
- - Arm Firmware Framework for Arm A-Profile [https://developer.arm.com/documentation/den0077/latest]
-
-**/
-
-#ifndef __STANDALONEMMCORE_ENTRY_POINT_H__
-#define __STANDALONEMMCORE_ENTRY_POINT_H__
-
-#include <Library/ArmSvcLib.h>
-#include <Library/ArmFfaLib.h>
-#include <Library/PeCoffLib.h>
-#include <Library/FvLib.h>
-
-#define CPU_INFO_FLAG_PRIMARY_CPU 0x00000001
-
-/*
- * Index information for mm range descriptors in
- * gEfiMmPeiMmramMemoryReserveGuid Guid Hob.
- */
-#define MMRAM_DESC_IDX_IMAGE 0
-#define MMRAM_DESC_IDX_SECURE_SHARED_BUFFER 1
-#define MMRAM_DESC_IDX_NORMAL_SHARED_BUFFER 2
-#define MMRAM_DESC_IDX_HEAP 3
-#define MMRAM_DESC_MIN_COUNT 4
-
-/*
- * Communication ABI protocol to communicate between normal/secure partition.
- */
-typedef enum {
- /// Unknown Communication ABI protocol
- CommProtocolUnknown,
-
- /// Communicate via SPM_MM ABI protocol
- CommProtocolSpmMm,
-
- /// Communicate via FF-A ABI protocol
- CommProtocolFfa,
-
- CommProtocolMax,
-} COMM_PROTOCOL;
-
-/** When using FF-A ABI, there're ways to request service to StandaloneMm
- - FF-A with MmCommunication protocol.
- - FF-A service with each specification.
- MmCommunication Protocol can use FFA_MSG_SEND_DIRECT_REQ or REQ2,
- Other FF-A services should use FFA_MSG_SEND_DIRECT_REQ2.
- In case of FF-A with MmCommunication protocol via FFA_MSG_SEND_DIRECT_REQ,
- register x3 saves Communication Buffer with gEfiMmCommunication2ProtocolGuid.
- In case of FF-A with MmCommunication protocol via FFA_MSG_SEND_DIRECT_REQ2,
- register x2/x3 save gEfiMmCommunication2ProtocolGuid and
- register x4 saves Communication Buffer with Service Guid.
-
- Other FF-A services (ServiceTypeMisc) delivers register values according to
- there own service specification.
- That means it doesn't use MmCommunication Buffer with MmCommunication Header
- format.
- (i.e) Tpm service via FF-A or Firmware Update service via FF-A.
- To support latter services by StandaloneMm, it defines SERVICE_TYPE_MISC.
- So that StandaloneMmEntryPointCore.c generates MmCommunication Header
- with delivered register values to dispatch service provided StandaloneMmCore.
- So that service handler can get proper information from delivered register.
-
- In case of SPM_MM Abi, it only supports MmCommunication service.
- */
-typedef enum {
- /// Unknown
- ServiceTypeUnknown,
-
- /// MmCommunication services
- ServiceTypeMmCommunication,
-
- /// Misc services
- ServiceTypeMisc,
-
- ServiceTypeMax,
-} SERVICE_TYPE;
-
-/** Direct message request/response version
- */
-typedef enum {
- /// Direct message version 1. Use FFA_DIRECT_MSG_REQ/RESP
- DirectMsgV1,
-
- /// Direct message version 2. Use FFA_DIRECT_MSG_REQ2/RESP2
- DirectMsgV2,
-
- DirectMsgMax,
-} DIRECT_MSG_VERSION;
-
-/** Service table entry to return service type matched with service guid
- */
-typedef struct ServiceTableEntry {
- /// Service Guid
- EFI_GUID *ServiceGuid;
-
- /// Service Type
- SERVICE_TYPE ServiceType;
-} SERVICE_TABLE_ENTRY;
-
-/** Ffa Abi data used in FFA_MSG_SEND_DIRECT_RESP/RESP2.
- */
-typedef struct FfaMsgInfo {
- /// Source partition id
- UINT16 SourcePartId;
-
- /// Destination partition id
- UINT16 DestPartId;
-
- /// Direct Message version
- DIRECT_MSG_VERSION DirectMsgVersion;
-
- /// Service Type
- SERVICE_TYPE ServiceType;
-} FFA_MSG_INFO;
-
-/** MmCommunication Header for Misc service.
- Misc service doesn't use MmCommunication Buffer.
- This structure is used to dispatch Misc services by StandaloneMm.
- */
-typedef struct {
- /// Service guid
- EFI_GUID HeaderGuid;
-
- /// Length of Message. In case of misc service, sizeof (EventSvcArgs)
- UINTN MessageLength;
-
- /// Delivered register values.
- DIRECT_MSG_ARGS DirectMsgArgs;
-} MISC_MM_COMMUNICATE_BUFFER;
-
-typedef struct {
- UINT8 Type; /* type of the structure */
- UINT8 Version; /* version of this structure */
- UINT16 Size; /* size of this structure in bytes */
- UINT32 Attr; /* attributes: unused bits SBZ */
-} EFI_PARAM_HEADER;
-
-typedef RETURN_STATUS (*REGION_PERMISSION_UPDATE_FUNC) (
- IN EFI_PHYSICAL_ADDRESS BaseAddress,
- IN UINT64 Length
- );
-
-/**
- Privileged firmware assigns RO & Executable attributes to all memory occupied
- by the Boot Firmware Volume. This function sets the correct permissions of
- sections in the Standalone MM Core module to be able to access RO and RW data
- and make further progress in the boot process.
-
- @param [in] ImageContext Pointer to PE/COFF image context
- @param [in] ImageBase Base of image in memory
- @param [in] SectionHeaderOffset Offset of PE/COFF image section header
- @param [in] NumberOfSections Number of Sections
- @param [in] TextUpdater Function to change code permissions
- @param [in] ReadOnlyUpdater Function to change RO permissions
- @param [in] ReadWriteUpdater Function to change RW permissions
-
-**/
-EFI_STATUS
-EFIAPI
-UpdateMmFoundationPeCoffPermissions (
- IN CONST PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext,
- IN EFI_PHYSICAL_ADDRESS ImageBase,
- IN UINT32 SectionHeaderOffset,
- IN CONST UINT16 NumberOfSections,
- IN REGION_PERMISSION_UPDATE_FUNC TextUpdater,
- IN REGION_PERMISSION_UPDATE_FUNC ReadOnlyUpdater,
- IN REGION_PERMISSION_UPDATE_FUNC ReadWriteUpdater
- );
-
-/**
- Privileged firmware assigns RO & Executable attributes to all memory occupied
- by the Boot Firmware Volume. This function locates the section information of
- the Standalone MM Core module to be able to change permissions of the
- individual sections later in the boot process.
-
- @param [in] TeData Pointer to PE/COFF image data
- @param [in, out] ImageContext Pointer to PE/COFF image context
- @param [out] ImageBase Pointer to ImageBase variable
- @param [in, out] SectionHeaderOffset Offset of PE/COFF image section header
- @param [in, out] NumberOfSections Number of Sections
-
-**/
-EFI_STATUS
-EFIAPI
-GetStandaloneMmCorePeCoffSections (
- IN VOID *TeData,
- IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext,
- OUT EFI_PHYSICAL_ADDRESS *ImageBase,
- IN OUT UINT32 *SectionHeaderOffset,
- IN OUT UINT16 *NumberOfSections
- );
-
-/**
- Privileged firmware assigns RO & Executable attributes to all memory occupied
- by the Boot Firmware Volume. This function locates the Standalone MM Core
- module PE/COFF image in the BFV and returns this information.
-
- @param [in] BfvAddress Base Address of Boot Firmware Volume
- @param [in, out] TeData Pointer to address for allocating memory
- for PE/COFF image data
- @param [in, out] TeDataSize Pointer to size of PE/COFF image data
-
-**/
-EFI_STATUS
-EFIAPI
-LocateStandaloneMmCorePeCoffData (
- IN EFI_FIRMWARE_VOLUME_HEADER *BfvAddress,
- IN OUT VOID **TeData,
- IN OUT UINTN *TeDataSize
- );
-
-/**
- The handoff between the SPMC to StandaloneMM depends on the
- communication interface between the SPMC and StandaloneMM.
- When SpmMM is used, the handoff is implemented using the
- Firmware Handoff protocol. When FF-A is used the FF-A boot
- protocol is used.
-
- @param [in] Arg0 In case of FF-A, address of FF-A boot information
- In case of SPM_MM, this parameter must be zero
- @param [in] Arg1 In case of FF-A, this parameter must be zero
- In case of SPM_MM, Signature and register convention version
- @param [in] Arg2 Must be zero
- @param [in] Arg3 In case of FF-A, this parameter must be zero
- In case of SPM_MM, address of transfer list
-
-**/
-VOID
-EFIAPI
-CEntryPoint (
- IN UINTN Arg0,
- IN UINTN Arg1,
- IN UINTN Arg2,
- IN UINTN Arg3
- );
-
-/**
- Auto generated function that calls the library constructors for all of the module's dependent libraries.
-
- This function must be called by CEntryPoint().
- This function calls the set of library constructors for the set of library instances
- that a module depends on. This includes library instances that a module depends on
- directly and library instances that a module depends on indirectly through other
- libraries. This function is auto generated by build tools and those build tools are
- responsible for collecting the set of library instances, determine which ones have
- constructors, and calling the library constructors in the proper order based upon
- each of the library instances own dependencies.
-
- @param ImageHandle The image handle of the DXE Core.
- @param SystemTable A pointer to the EFI System Table.
-
-**/
-VOID
-EFIAPI
-ProcessLibraryConstructorList (
- IN EFI_HANDLE ImageHandle,
- IN EFI_MM_SYSTEM_TABLE *MmSystemTable
- );
-
-/**
- Auto generated function that calls a set of module entry points.
-
- This function must be called by CEntryPoint().
- This function calls the set of module entry points.
- This function is auto generated by build tools and those build tools are responsible
- for collecting the module entry points and calling them in a specified order.
-
- @param HobStart Pointer to the beginning of the HOB List passed in from the PEI Phase.
-
-**/
-VOID
-EFIAPI
-ProcessModuleEntryPointList (
- IN VOID *HobStart
- );
-
-#endif
diff --git a/StandaloneMmPkg/Include/Protocol/PiMmCpuDriverEp.h b/StandaloneMmPkg/Include/Protocol/PiMmCpuDriverEp.h deleted file mode 100644 index 4b2f61fa06..0000000000 --- a/StandaloneMmPkg/Include/Protocol/PiMmCpuDriverEp.h +++ /dev/null @@ -1,60 +0,0 @@ -/** @file
- This file describes the PiMm Cpu Driver Entry Point Protocol.
- the protocol is for defining handler for mm communication request event
- according to cpu driver.
-
- Copyright (c) 2024, Arm Limited. All rights reserved.<BR>
- SPDX-License-Identifier: BSD-2-Clause-Patent
-
-**/
-
-#ifndef PI_MM_CPU_DRIVER_EP_H_
-#define PI_MM_CPU_DRIVER_EP_H_
-
-#include <PiMm.h>
-
-#define EDKII_PI_MM_CPU_DRIVER_EP_GUID { \
- 0x6ecbd5a1, 0xc0f8, 0x4702, { 0x83, 0x01, 0x4f, 0xc2, 0xc5, 0x47, 0x0a, 0x51 } \
- }
-
-/**
- The PI Standalone MM entry point for handling mm communication request
- Here is an example of how the EDKII_PI_MM_CPU_DRIVER_EP_PROTOCOL
- is utilized in ARM:
- 1. StandaloneMmCoreEntryPoint loads StandaloneMmCore.
- 2. StandaloneMmCore dispatches all MM drivers,
- including the StandaloneMmCpu driver.
- 3. The StandaloneMmCpu driver declares its MMI CPU entry point through
- the PI_MM_CPU_DRIVER_EP_PROTOCOL.
- 4. After all drivers have been dispatched,
- StandaloneMmCoreEntryPoint retrieves the MMI CPU entry point
- by locating the protocol.
- 5. The DelegatedEventLoop then calls the MM CPU entry point.
-
- See StandaloneMmPkg/StandaloneMmCoreEntryPoint/Arm/StandaloneMmCoreEntryPoint.c
-
- @param [in] EventId The event Id based on firmware.
- @param [in] CommBufferAddr Address of the communication buffer.
-
- @retval EFI_SUCCESS Success.
- @retval EFI_INVALID_PARAMETER A parameter was invalid.
- @retval EFI_ACCESS_DENIED Access not permitted.
- @retval EFI_OUT_OF_RESOURCES Out of resources.
- @retval EFI_UNSUPPORTED Operation not supported.
-**/
-typedef
-EFI_STATUS
-(EFIAPI *EDKII_PI_MM_CPU_DRIVER_ENTRYPOINT)(
- IN UINTN EventId,
- IN UINTN CommBufferAddr
- );
-
-typedef struct _EDKII_PI_MM_CPU_DRIVER_EP_PROTOCOL EDKII_PI_MM_CPU_DRIVER_EP_PROTOCOL;
-
-struct _EDKII_PI_MM_CPU_DRIVER_EP_PROTOCOL {
- EDKII_PI_MM_CPU_DRIVER_ENTRYPOINT PiMmCpuDriverEntryPoint;
-};
-
-extern EFI_GUID gEdkiiPiMmCpuDriverEpProtocolGuid;
-
-#endif
diff --git a/StandaloneMmPkg/Include/StandaloneMmCpu.h b/StandaloneMmPkg/Include/StandaloneMmCpu.h deleted file mode 100644 index fc3d81b6e6..0000000000 --- a/StandaloneMmPkg/Include/StandaloneMmCpu.h +++ /dev/null @@ -1,79 +0,0 @@ -/** @file
- Private header with declarations and definitions specific to the MM Standalone
- CPU driver
-
- Copyright (c) 2017 - 2021, Arm Limited. All rights reserved.
- SPDX-License-Identifier: BSD-2-Clause-Patent
-
-**/
-
-#ifndef MM_CPU_DRIVER_H_
-#define MM_CPU_DRIVER_H_
-
-#include <Protocol/MmCommunication2.h>
-#include <Protocol/MmConfiguration.h>
-#include <Protocol/MmCpu.h>
-#include <Protocol/PiMmCpuDriverEp.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 *gGuidedEventContext;
-extern EFI_MM_CONFIGURATION_PROTOCOL mMmConfig;
-
-/**
- The PI Standalone MM entry point for the CPU driver.
-
- @param [in] EventId The event Id.
- @param [in] CommBufferAddr Address of the communication buffer.
-
- @retval EFI_SUCCESS Success.
- @retval EFI_INVALID_PARAMETER A parameter was invalid.
- @retval EFI_ACCESS_DENIED Access not permitted.
- @retval EFI_OUT_OF_RESOURCES Out of resources.
- @retval EFI_UNSUPPORTED Operation not supported.
-**/
-EFI_STATUS
-PiMmStandaloneMmCpuDriverEntry (
- IN UINTN EventId,
- IN UINTN CommBufferAddr
- );
-
-/**
- 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
- );
-
-#endif /* MM_CPU_DRIVER_H_ */
diff --git a/StandaloneMmPkg/Library/StandaloneMmCoreEntryPoint/Arm/ModuleEntryPoint32.S b/StandaloneMmPkg/Library/StandaloneMmCoreEntryPoint/Arm/ModuleEntryPoint32.S deleted file mode 100644 index 28a9e72e13..0000000000 --- a/StandaloneMmPkg/Library/StandaloneMmCoreEntryPoint/Arm/ModuleEntryPoint32.S +++ /dev/null @@ -1,220 +0,0 @@ -#------------------------------------------------------------------------------
-#
-# Entrypoint of StandaloneMm.
-#
-# Copyright (c) 2024, Arm Limited. All rights reserved.
-#
-# SPDX-License-Identifier: BSD-2-Clause-Patent
-#
-# @par Reference(s):
-# - [1] SPM based on the MM interface.
-# (https://trustedfirmware-a.readthedocs.io/en/latest/components/
-# secure-partition-manager-mm.html)
-# - [2] Arm Firmware Framework for Armv8-A, DEN0077, version 1.2
-# (https://developer.arm.com/documentation/den0077/latest/)
-# - [3] FF-A Memory Management Protocol for Armv8-A, DEN0140, version 1.2
-# (https://developer.arm.com/documentation/den0140/latest/)
-#
-#------------------------------------------------------------------------------
-
-#include <Arm/AsmMacroLib.h>
-#include <IndustryStandard/ArmMmSvc.h>
-#include <IndustryStandard/ArmFfaSvc.h>
-#include <Uefi/UefiBaseType.h>
-
-.data
-.section .data.stmm_stack, "aw"
-.align 12
-// Define a data section to be used for setting up the
-// stack for StandaloneMm
-stmm_stack:
-.zero FixedPcdGet32 (PcdStMmStackSize)
-
-.text
-//
-// Check whether it is possible to use FF-A.
-// If FF-A can use, return TRUE. otherwise return FALSE.
-//
-// BOOLEAN
-// EFIAPI
-// CheckFfaSupport (
-// VOID
-// )
-//
-ASM_FUNC(CheckFfaSupport)
- //
- // Try to check FF-A support via FFA_VERSION
- // See [2], Section 13.2 FFA_VERSION
- //
- MOV32 (r0, ARM_FID_FFA_VERSION)
-
- // Set r1 as request version.
- MOV32 (r1, ARM_FFA_CREATE_VERSION (
- ARM_FFA_MAJOR_VERSION,
- ARM_FFA_MINOR_VERSION))
-
- svc #0
-
- // Set r4 as ARM_FFA_RET_NOT_SUPPORTED (-1)
- mvn r4, #0x00
-
- cmp r0, r4
- movne r0, #0x01
- moveq r0, #0x00
- mov r4, #0x00
- bx lr
-
-//
-// Set write memory permission on StandaloneMm stack area via FF-A request.
-// If success, return StMmStackBaseAddr. otherwise return 0.
-//
-// UINTN
-// EFIAPI
-// SetStackPermissionFfa (
-// IN UINTN StMmStackTopAddr
-// )
-//
-ASM_FUNC(SetStackPermissionFfa)
- //
- // Try to set write permission on stmm_stack with FF-A request
- // See [3], Section 2.9 FFA_MEM_PERM_SET
- //
- MOV32 (r2, FixedPcdGet32 (PcdStMmStackSize))
-
- // r1 = stmm_stack top
- mov r1, r0
-
- // r12 = Compute and save the stack base
- add r12, r1, r2
-
- // r2 = Count of pages of stmm_stack
- lsr r2, r2, #EFI_PAGE_SHIFT
-
- // r3 = Memory permission
- MOV32 (r3,
- ARM_FFA_SET_MEM_ATTR_MAKE_PERM_REQUEST (
- ARM_FFA_SET_MEM_ATTR_DATA_PERM_RW,
- ARM_FFA_SET_MEM_ATTR_CODE_PERM_XN))
-
- MOV32 (r0, ARM_FID_FFA_MEM_PERM_SET)
-
- // Call FFA_MEM_PERM_SET to set stmm_stack with write permission
- // See [3], Section 2.9 FFA_MEM_PERM_SET
- svc #0
-
- // Check FFA_MEM_PERM_SET operation is success.
- MOV32 (r5, ARM_FID_FFA_SUCCESS_AARCH32)
- cmp r0, r5
-
- // Set return value as base address of stack.
- mov r0, r12
- bne .Lout_set_stack_perm_ffa
- // If failed, set return value as zero.
- mov r0, #0x00
-
-.Lout_set_stack_perm_ffa:
- // Initialise SP with temp stack
- mov r5, #0x00
- mov r12, #0x00
- bx lr
-
-//
-// Set write memory permission on StandaloneMm stack area via SpmMm.
-// If success, return StMmStackTopAddr. otherwise return 0.
-//
-// UINTN
-// EFIAPI
-// SetStackPermissionSpmMm (
-// IN UINTN StMmStackTopAddr
-// )
-//
-ASM_FUNC(SetStackPermissionSpmMm)
- //
- // Try to set write permission on stmm_stack with SPM_MM request
- // See [1], Section 4.16.5.5.1 MM_SP_MEMORY_ATTRIBUTES_SET_AARCH64.
- //
- MOV32 (r2, FixedPcdGet32 (PcdStMmStackSize))
-
- // r1 = stmm_stack top
- mov r1, r0
-
- // r12 = Compute and save the stack base
- add r12, r1, r2
-
- // r2 = Count of pages of stmm_stack
- lsr r2, r2, #EFI_PAGE_SHIFT
-
- // r3 = Memory permission
- MOV32 (r3,
- ARM_SPM_MM_SET_MEM_ATTR_MAKE_PERM_REQUEST (
- ARM_SPM_MM_SET_MEM_ATTR_DATA_PERM_RW,
- ARM_SPM_MM_SET_MEM_ATTR_CODE_PERM_XN))
-
- MOV32 (r0, ARM_FID_SPM_MM_SP_SET_MEM_ATTRIBUTES)
-
- // Call SPM_MM_SP_SET_MEM_ATTRIBUTES to set stmm_stack with write permission
- // See [1], Section 4.16.5.5.1 MM_SP_MEMORY_ATTRIBUTES_SET_AARCH64.
- svc #0
-
- MOV32 (r5, ARM_SPM_MM_RET_SUCCESS)
- cmp r0, r5
-
- // Set return value as base address of stack.
- mov r0, r12
- beq .Lout_set_stack_perm
- // If failed, set return value as zero.
- mov r0, #0x00
-
-.Lout_set_stack_perm:
- mov r5, #0x00
- mov r12, #0x00
- bx lr
-
-//
-// Entry point of StandaloneMm
-//
-ASM_FUNC(_ModuleEntryPoint)
- // Stash boot information registers from the SPMC
- mov r8, r0
- mov r9, r1
- mov r10, r2
- mov r11, r3
-
- bl CheckFfaSupport
- mov r1, r0
-
- // Get StandaloneMm Stack top address and save in x0
- LDRL(r0, stmm_stack)
-
- // Set stack permission
- cmp r1, #0x01
- beq .Lset_stack_perm_ffa
- bne .Lset_stack_perm_spm
-
- // If SetStackPermission* failed, x0 is #0x00.
- // Otherwise, x0 is base address of stack.
-.Lset_stmm_sp:
- cmp r0, #0x00
- bne .Lerror
-
- mov sp, r0
-
- // Restore boot information registers from the SPMC
- mov r3, r11
- mov r2, r10
- mov r1, r9
- mov r0, r8
-
- // Invoke the C entrypoint
- b CEntryPoint
-
-.Lerror:
- b .
-
-.Lset_stack_perm_ffa:
- bl SetStackPermissionFfa
- b .Lset_stmm_sp
-
-.Lset_stack_perm_spm:
- bl SetStackPermissionSpmMm
- b .Lset_stmm_sp
diff --git a/StandaloneMmPkg/Library/StandaloneMmCoreEntryPoint/Arm/ModuleEntryPoint64.S b/StandaloneMmPkg/Library/StandaloneMmCoreEntryPoint/Arm/ModuleEntryPoint64.S deleted file mode 100644 index f8f8877927..0000000000 --- a/StandaloneMmPkg/Library/StandaloneMmCoreEntryPoint/Arm/ModuleEntryPoint64.S +++ /dev/null @@ -1,231 +0,0 @@ -#------------------------------------------------------------------------------
-#
-# Entrypoint of StandaloneMm.
-#
-# Copyright (c) 2024, Arm Limited. All rights reserved.
-#
-# SPDX-License-Identifier: BSD-2-Clause-Patent
-#
-# @par Reference(s):
-# - [1] SPM based on the MM interface.
-# (https://trustedfirmware-a.readthedocs.io/en/latest/components/
-# secure-partition-manager-mm.html)
-# - [2] Arm Firmware Framework for Armv8-A, DEN0077, version 1.2
-# (https://developer.arm.com/documentation/den0077/latest/)
-# - [3] FF-A Memory Management Protocol for Armv8-A, DEN0140, version 1.2
-# (https://developer.arm.com/documentation/den0140/latest/)
-#
-#------------------------------------------------------------------------------
-
-#include <AArch64/AsmMacroLib.h>
-#include <IndustryStandard/ArmMmSvc.h>
-#include <IndustryStandard/ArmFfaSvc.h>
-#include <Uefi/UefiBaseType.h>
-
-.data
-.section .data.stmm_stack, "aw"
-.align 12
-// Define a data section to be used for setting up the
-// stack for StandaloneMm
-stmm_stack:
-.zero FixedPcdGet32 (PcdStMmStackSize)
-
-.text
-//
-// Check whether it is possible to use FF-A.
-// If FF-A is supported return TRUE, otherwise return FALSE.
-//
-// BOOLEAN
-// EFIAPI
-// CheckFfaSupport (
-// VOID
-// )
-//
-ASM_FUNC(CheckFfaSupport)
- //
- // Try to check FF-A support via FFA_VERSION
- // See [2], Section 13.2 FFA_VERSION
- //
- MOV32 (x0, ARM_FID_FFA_VERSION)
-
- // Set x1 as request version.
- MOV32 (x1, ARM_FFA_CREATE_VERSION (
- ARM_FFA_MAJOR_VERSION,
- ARM_FFA_MINOR_VERSION))
-
- svc #0
-
- MOV64 (x9, ARM_FFA_RET_NOT_SUPPORTED)
- cmp x0, x9
- cset x0, ne
- mov x9, xzr
- ret
-
-//
-// Set write memory permission on StandaloneMm stack area via FF-A request.
-// If success, return StMmStackBaseAddr. otherwise return 0.
-//
-// UINTN
-// EFIAPI
-// SetStackPermissionFfa (
-// IN UINTN StMmStackTopAddr
-// )
-//
-ASM_FUNC(SetStackPermissionFfa)
- //
- // Try to set write permission on stmm_stack with FF-A request
- // See [3], Section 2.9 FFA_MEM_PERM_SET
- //
- MOV32 (x2, FixedPcdGet32 (PcdStMmStackSize))
-
- // x1 = stmm_stack top
- mov x1, x0
-
- // x12 = Compute and save the stack base
- add x12, x1, x2
-
- // x2 = Count of pages of stmm_stack
- lsr x2, x2, #EFI_PAGE_SHIFT
-
- // x3 = Memory permission
- MOV32 (x3,
- ARM_FFA_SET_MEM_ATTR_MAKE_PERM_REQUEST (
- ARM_FFA_SET_MEM_ATTR_DATA_PERM_RW,
- ARM_FFA_SET_MEM_ATTR_CODE_PERM_XN))
-
- MOV32 (x0, ARM_FID_FFA_MEM_PERM_SET)
-
- // Call FFA_MEM_PERM_SET to set stmm_stack with write permission
- // See [3], Section 2.9 FFA_MEM_PERM_SET
- svc #0
-
- // Check FFA_MEM_PERM_SET operation is success.
- mov x10, #0x00
- MOV32 (x11, ARM_FID_FFA_SUCCESS_AARCH64)
- cmp x0, x11
- cinc x10, x10, eq
- MOV32 (x11, ARM_FID_FFA_SUCCESS_AARCH32)
- cmp x0, x11
- cinc x10, x10, eq
- cmp x10, #0x00
-
- // Set return value as base address of stack.
- mov x0, x12
- b.ne .Lout_set_stack_perm_ffa
- // If failed, set return value as zero.
- mov x0, #0x00
-
-.Lout_set_stack_perm_ffa:
- mov x9, xzr
- mov x10, xzr
- mov x11, xzr
- mov x12, xzr
- ret
-
-//
-// Set write memory permission on StandaloneMm stack area via SpmMm.
-// If success, return StMmStackTopAddr. otherwise return 0.
-//
-// UINTN
-// EFIAPI
-// SetStackPermissionSpmMm (
-// IN UINTN StMmStackTopAddr
-// )
-//
-ASM_FUNC(SetStackPermissionSpmMm)
- //
- // Try to set write permission on stmm_stack with SPM_MM request
- // See [1], Section 4.16.5.5.1 MM_SP_MEMORY_ATTRIBUTES_SET_AARCH64.
- //
- MOV32 (x2, FixedPcdGet32 (PcdStMmStackSize))
-
- // x1 = stmm_stack top
- mov x1, x0
-
- // x12 = Compute and save the stack base
- add x12, x1, x2
-
- // x2 = Count of pages of stmm_stack
- lsr x2, x2, #EFI_PAGE_SHIFT
-
- // x3 = Memory permission
- MOV32 (x3,
- ARM_SPM_MM_SET_MEM_ATTR_MAKE_PERM_REQUEST (
- ARM_SPM_MM_SET_MEM_ATTR_DATA_PERM_RW,
- ARM_SPM_MM_SET_MEM_ATTR_CODE_PERM_XN))
-
- MOV32 (x0, ARM_FID_SPM_MM_SP_SET_MEM_ATTRIBUTES)
-
- // Call SPM_MM_SP_SET_MEM_ATTRIBUTES to set stmm_stack with write permission
- // See [1], Section 4.16.5.5.1 MM_SP_MEMORY_ATTRIBUTES_SET_AARCH64.
- svc #0
-
- cmp x0, #ARM_SPM_MM_RET_SUCCESS
-
- // Set return value as base address of stack.
- mov x0, x12
- b.eq .Lout_set_stack_perm
- // If failed, set return value as zero.
- mov x0, #0x00
-
-.Lout_set_stack_perm:
- mov x9, xzr
- mov x12, xzr
- ret
-
-//
-// Entry point of StandaloneMm
-//
-ASM_FUNC(_ModuleEntryPoint)
- // Stash boot information registers from the SPMC
- mov x19, x0
- mov x20, x1
- mov x21, x2
- mov x22, x3
- mov x23, x4
-
- bl CheckFfaSupport
- mov x1, x0
-
- // Get StandaloneMm Stack top address and save in x0
- adrp x4, stmm_stack
- mov x0, x4
-
- // Set stack permission
- cmp x1, #0x01
- b.eq .Lset_stack_perm_ffa
- b.ne .Lset_stack_perm_spm
-
- // If SetStackPermission* failed, x0 is #0x00.
- // Otherwise, x0 is base address of stack.
-.Lset_stmm_sp:
- cmp x0, #0x00
- b.eq .Lerror
-
- mov sp, x0
-
- // Restore boot information registers from the SPMC
- mov x0, x19
- mov x1, x20
- mov x2, x21
- mov x3, x22
- mov x4, x23
- mov x19, xzr
- mov x20, xzr
- mov x21, xzr
- mov x22, xzr
- mov x23, xzr
-
- // Invoke the C entrypoint
- b CEntryPoint
-
-.Lerror:
- b .
-
-.Lset_stack_perm_ffa:
- bl SetStackPermissionFfa
- b .Lset_stmm_sp
-
-.Lset_stack_perm_spm:
- bl SetStackPermissionSpmMm
- b .Lset_stmm_sp
diff --git a/StandaloneMmPkg/Library/StandaloneMmCoreEntryPoint/Arm/SetPermissions.c b/StandaloneMmPkg/Library/StandaloneMmCoreEntryPoint/Arm/SetPermissions.c deleted file mode 100644 index 5c6bd0e1d7..0000000000 --- a/StandaloneMmPkg/Library/StandaloneMmCoreEntryPoint/Arm/SetPermissions.c +++ /dev/null @@ -1,383 +0,0 @@ -/** @file
- Locate, get and update PE/COFF permissions during Standalone MM
- Foundation Entry point on ARM platforms.
-
-Copyright (c) 2017 - 2021, Arm Ltd. All rights reserved.<BR>
-SPDX-License-Identifier: BSD-2-Clause-Patent
-
-**/
-
-#include <PiMm.h>
-
-#include <PiPei.h>
-#include <Guid/MmramMemoryReserve.h>
-#include <Guid/MpInformation.h>
-
-#include <Library/Arm/StandaloneMmCoreEntryPoint.h>
-#include <Library/ArmMmuLib.h>
-#include <Library/ArmSvcLib.h>
-#include <Library/DebugLib.h>
-#include <Library/HobLib.h>
-#include <Library/BaseLib.h>
-#include <Library/BaseMemoryLib.h>
-#include <Library/SerialPortLib.h>
-
-#include <IndustryStandard/ArmStdSmc.h>
-
-/**
- Privileged firmware assigns RO & Executable attributes to all memory occupied
- by the Boot Firmware Volume. This function sets the correct permissions of
- sections in the Standalone MM Core module to be able to access RO and RW data
- and make further progress in the boot process.
-
- @param [in] ImageContext Pointer to PE/COFF image context
- @param [in] ImageBase Base of image in memory
- @param [in] SectionHeaderOffset Offset of PE/COFF image section header
- @param [in] NumberOfSections Number of Sections
- @param [in] TextUpdater Function to change code permissions
- @param [in] ReadOnlyUpdater Function to change RO permissions
- @param [in] ReadWriteUpdater Function to change RW permissions
-
-**/
-EFI_STATUS
-EFIAPI
-UpdateMmFoundationPeCoffPermissions (
- IN CONST PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext,
- IN EFI_PHYSICAL_ADDRESS ImageBase,
- IN UINT32 SectionHeaderOffset,
- IN CONST UINT16 NumberOfSections,
- IN REGION_PERMISSION_UPDATE_FUNC TextUpdater,
- IN REGION_PERMISSION_UPDATE_FUNC ReadOnlyUpdater,
- IN REGION_PERMISSION_UPDATE_FUNC ReadWriteUpdater
- )
-{
- EFI_IMAGE_SECTION_HEADER SectionHeader;
- RETURN_STATUS Status;
- EFI_PHYSICAL_ADDRESS Base;
- UINTN Size;
- UINTN ReadSize;
- UINTN Index;
-
- ASSERT (ImageContext != NULL);
-
- //
- // Iterate over the sections
- //
- for (Index = 0; Index < NumberOfSections; Index++) {
- //
- // Read section header from file
- //
- Size = sizeof (EFI_IMAGE_SECTION_HEADER);
- ReadSize = Size;
- Status = ImageContext->ImageRead (
- ImageContext->Handle,
- SectionHeaderOffset,
- &Size,
- &SectionHeader
- );
-
- if (RETURN_ERROR (Status) || (Size != ReadSize)) {
- DEBUG ((
- DEBUG_ERROR,
- "%a: ImageContext->ImageRead () failed (Status = %r)\n",
- __func__,
- Status
- ));
- return Status;
- }
-
- DEBUG ((
- DEBUG_INFO,
- "%a: Section %d of image at 0x%lx has 0x%x permissions\n",
- __func__,
- Index,
- ImageContext->ImageAddress,
- SectionHeader.Characteristics
- ));
- DEBUG ((
- DEBUG_INFO,
- "%a: Section %d of image at 0x%lx has %a name\n",
- __func__,
- Index,
- ImageContext->ImageAddress,
- SectionHeader.Name
- ));
- DEBUG ((
- DEBUG_INFO,
- "%a: Section %d of image at 0x%lx has 0x%x address\n",
- __func__,
- Index,
- ImageContext->ImageAddress,
- ImageContext->ImageAddress + SectionHeader.VirtualAddress
- ));
- DEBUG ((
- DEBUG_INFO,
- "%a: Section %d of image at 0x%lx has 0x%x data\n",
- __func__,
- Index,
- ImageContext->ImageAddress,
- SectionHeader.PointerToRawData
- ));
-
- //
- // If the section is marked as XN then remove the X attribute. Furthermore,
- // if it is a writeable section then mark it appropriately as well.
- //
- if ((SectionHeader.Characteristics & EFI_IMAGE_SCN_MEM_EXECUTE) == 0) {
- Base = ImageBase + SectionHeader.VirtualAddress;
-
- TextUpdater (Base, SectionHeader.Misc.VirtualSize);
-
- if ((SectionHeader.Characteristics & EFI_IMAGE_SCN_MEM_WRITE) != 0) {
- ReadWriteUpdater (Base, SectionHeader.Misc.VirtualSize);
- DEBUG ((
- DEBUG_INFO,
- "%a: Mapping section %d of image at 0x%lx with RW-XN permissions\n",
- __func__,
- Index,
- ImageContext->ImageAddress
- ));
- } else {
- DEBUG ((
- DEBUG_INFO,
- "%a: Mapping section %d of image at 0x%lx with RO-XN permissions\n",
- __func__,
- Index,
- ImageContext->ImageAddress
- ));
- }
- } else {
- DEBUG ((
- DEBUG_INFO,
- "%a: Ignoring section %d of image at 0x%lx with 0x%x permissions\n",
- __func__,
- Index,
- ImageContext->ImageAddress,
- SectionHeader.Characteristics
- ));
- }
-
- SectionHeaderOffset += sizeof (EFI_IMAGE_SECTION_HEADER);
- }
-
- return RETURN_SUCCESS;
-}
-
-/**
- Privileged firmware assigns RO & Executable attributes to all memory occupied
- by the Boot Firmware Volume. This function locates the Standalone MM Core
- module PE/COFF image in the BFV and returns this information.
-
- @param [in] BfvAddress Base Address of Boot Firmware Volume
- @param [in, out] TeData Pointer to address for allocating memory
- for PE/COFF image data
- @param [in, out] TeDataSize Pointer to size of PE/COFF image data
-
-**/
-EFI_STATUS
-EFIAPI
-LocateStandaloneMmCorePeCoffData (
- IN EFI_FIRMWARE_VOLUME_HEADER *BfvAddress,
- IN OUT VOID **TeData,
- IN OUT UINTN *TeDataSize
- )
-{
- EFI_FFS_FILE_HEADER *FileHeader;
- EFI_STATUS Status;
-
- FileHeader = NULL;
- Status = FfsFindNextFile (
- EFI_FV_FILETYPE_SECURITY_CORE,
- BfvAddress,
- &FileHeader
- );
-
- if (EFI_ERROR (Status)) {
- DEBUG ((
- DEBUG_ERROR,
- "Unable to locate Standalone MM FFS file - 0x%x\n",
- Status
- ));
- return Status;
- }
-
- Status = FfsFindSectionData (EFI_SECTION_PE32, FileHeader, TeData, TeDataSize);
- if (EFI_ERROR (Status)) {
- Status = FfsFindSectionData (EFI_SECTION_TE, FileHeader, TeData, TeDataSize);
- if (EFI_ERROR (Status)) {
- DEBUG ((
- DEBUG_ERROR,
- "Unable to locate Standalone MM Section data - %r\n",
- Status
- ));
- return Status;
- }
- }
-
- DEBUG ((DEBUG_INFO, "Found Standalone MM PE data - 0x%x\n", *TeData));
- return Status;
-}
-
-/**
- Returns the PC COFF section information.
-
- @param [in, out] ImageContext Pointer to PE/COFF image context
- @param [out] ImageBase Base of image in memory
- @param [out] SectionHeaderOffset Offset of PE/COFF image section header
- @param [out] NumberOfSections Number of Sections
-
-**/
-STATIC
-EFI_STATUS
-GetPeCoffSectionInformation (
- IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext,
- OUT EFI_PHYSICAL_ADDRESS *ImageBase,
- OUT UINT32 *SectionHeaderOffset,
- OUT UINT16 *NumberOfSections
- )
-{
- RETURN_STATUS Status;
- EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION Hdr;
- EFI_IMAGE_OPTIONAL_HEADER_UNION HdrData;
- UINTN Size;
- UINTN ReadSize;
-
- ASSERT (ImageContext != NULL);
- ASSERT (SectionHeaderOffset != NULL);
- ASSERT (NumberOfSections != NULL);
-
- Status = PeCoffLoaderGetImageInfo (ImageContext);
- if (RETURN_ERROR (Status)) {
- DEBUG ((
- DEBUG_ERROR,
- "%a: PeCoffLoaderGetImageInfo () failed (Status == %r)\n",
- __func__,
- Status
- ));
- return Status;
- }
-
- if (ImageContext->SectionAlignment < EFI_PAGE_SIZE) {
- //
- // The sections need to be at least 4 KB aligned, since that is the
- // granularity at which we can tighten permissions.
- //
- if (!ImageContext->IsTeImage) {
- DEBUG ((
- DEBUG_WARN,
- "%a: non-TE Image at 0x%lx has SectionAlignment < 4 KB (%lu)\n",
- __func__,
- ImageContext->ImageAddress,
- ImageContext->SectionAlignment
- ));
- return RETURN_UNSUPPORTED;
- }
-
- ImageContext->SectionAlignment = EFI_PAGE_SIZE;
- }
-
- //
- // Read the PE/COFF Header. For PE32 (32-bit) this will read in too much
- // data, but that should not hurt anything. Hdr.Pe32->OptionalHeader.Magic
- // determines if this is a PE32 or PE32+ image. The magic is in the same
- // location in both images.
- //
- Hdr.Union = &HdrData;
- Size = sizeof (EFI_IMAGE_OPTIONAL_HEADER_UNION);
- ReadSize = Size;
- Status = ImageContext->ImageRead (
- ImageContext->Handle,
- ImageContext->PeCoffHeaderOffset,
- &Size,
- Hdr.Pe32
- );
-
- if (RETURN_ERROR (Status) || (Size != ReadSize)) {
- DEBUG ((
- DEBUG_ERROR,
- "%a: TmpContext->ImageRead () failed (Status = %r)\n",
- __func__,
- Status
- ));
- return Status;
- }
-
- *ImageBase = ImageContext->ImageAddress;
- if (!ImageContext->IsTeImage) {
- ASSERT (Hdr.Pe32->Signature == EFI_IMAGE_NT_SIGNATURE);
-
- *SectionHeaderOffset = ImageContext->PeCoffHeaderOffset + sizeof (UINT32) +
- sizeof (EFI_IMAGE_FILE_HEADER);
- *NumberOfSections = Hdr.Pe32->FileHeader.NumberOfSections;
-
- switch (Hdr.Pe32->OptionalHeader.Magic) {
- case EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC:
- *SectionHeaderOffset += Hdr.Pe32->FileHeader.SizeOfOptionalHeader;
- break;
- case EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC:
- *SectionHeaderOffset += Hdr.Pe32Plus->FileHeader.SizeOfOptionalHeader;
- break;
- default:
- ASSERT (FALSE);
- }
- } else {
- *SectionHeaderOffset = (UINTN)(sizeof (EFI_TE_IMAGE_HEADER));
- *NumberOfSections = Hdr.Te->NumberOfSections;
- *ImageBase -= (UINT32)Hdr.Te->StrippedSize - sizeof (EFI_TE_IMAGE_HEADER);
- }
-
- return RETURN_SUCCESS;
-}
-
-/**
- Privileged firmware assigns RO & Executable attributes to all memory occupied
- by the Boot Firmware Volume. This function locates the section information of
- the Standalone MM Core module to be able to change permissions of the
- individual sections later in the boot process.
-
- @param [in] TeData Pointer to PE/COFF image data
- @param [in, out] ImageContext Pointer to PE/COFF image context
- @param [out] ImageBase Pointer to ImageBase variable
- @param [in, out] SectionHeaderOffset Offset of PE/COFF image section header
- @param [in, out] NumberOfSections Number of Sections
-
-**/
-EFI_STATUS
-EFIAPI
-GetStandaloneMmCorePeCoffSections (
- IN VOID *TeData,
- IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext,
- OUT EFI_PHYSICAL_ADDRESS *ImageBase,
- IN OUT UINT32 *SectionHeaderOffset,
- IN OUT UINT16 *NumberOfSections
- )
-{
- EFI_STATUS Status;
-
- // Initialize the Image Context
- ZeroMem (ImageContext, sizeof (PE_COFF_LOADER_IMAGE_CONTEXT));
- ImageContext->Handle = TeData;
- ImageContext->ImageRead = PeCoffLoaderImageReadFromMemory;
-
- DEBUG ((DEBUG_INFO, "Found Standalone MM PE data - 0x%x\n", TeData));
-
- Status = GetPeCoffSectionInformation (
- ImageContext,
- ImageBase,
- SectionHeaderOffset,
- NumberOfSections
- );
- if (EFI_ERROR (Status)) {
- DEBUG ((DEBUG_ERROR, "Unable to locate Standalone MM Core PE-COFF Section information - %r\n", Status));
- return Status;
- }
-
- DEBUG ((
- DEBUG_INFO,
- "Standalone MM Core PE-COFF SectionHeaderOffset - 0x%x, NumberOfSections - %d\n",
- *SectionHeaderOffset,
- *NumberOfSections
- ));
-
- return Status;
-}
diff --git a/StandaloneMmPkg/Library/StandaloneMmCoreEntryPoint/Arm/StandaloneMmCoreEntryPoint.c b/StandaloneMmPkg/Library/StandaloneMmCoreEntryPoint/Arm/StandaloneMmCoreEntryPoint.c deleted file mode 100644 index 81258f3c08..0000000000 --- a/StandaloneMmPkg/Library/StandaloneMmCoreEntryPoint/Arm/StandaloneMmCoreEntryPoint.c +++ /dev/null @@ -1,1224 +0,0 @@ -/** @file
- Entry point to the Standalone MM Foundation when initialized during the SEC
- phase on ARM platforms
-
- Copyright (c) 2017 - 2024, Arm Ltd. All rights reserved.<BR>
- SPDX-License-Identifier: BSD-2-Clause-Patent
-
- @par Glossary:
- - SpmMM - An implementation where the Secure Partition Manager resides at EL3
- with management services running from an isolated Secure Partitions
- at S-EL0, and the communication protocol is the Management Mode(MM)
- interface.
- - FF-A - Firmware Framework for Arm A-profile
-
- @par Reference(s):
- - Secure Partition Manager
- [https://trustedfirmware-a.readthedocs.io/en/latest/components/secure-partition-manager-mm.html]
- - Arm Firmware Framework for Arm A-Profile
- [https://developer.arm.com/documentation/den0077/latest]
-
-**/
-
-#include <PiMm.h>
-
-#include <Library/Arm/StandaloneMmCoreEntryPoint.h>
-
-#include <PiPei.h>
-#include <Guid/MmramMemoryReserve.h>
-
-#include <Library/ArmLib.h>
-#include <Library/ArmSvcLib.h>
-#include <Library/ArmFfaLib.h>
-#include <Library/ArmTransferListLib.h>
-#include <Library/DebugLib.h>
-#include <Library/HobLib.h>
-#include <Library/BaseLib.h>
-#include <Library/BaseMemoryLib.h>
-#include <Library/SerialPortLib.h>
-#include <Library/StandaloneMmMmuLib.h>
-#include <Library/PcdLib.h>
-
-#include <IndustryStandard/ArmStdSmc.h>
-#include <IndustryStandard/ArmMmSvc.h>
-#include <IndustryStandard/ArmFfaSvc.h>
-#include <IndustryStandard/ArmFfaBootInfo.h>
-
-#include <Protocol/PiMmCpuDriverEp.h>
-#include <Protocol/MmCommunication.h>
-
-extern EFI_MM_SYSTEM_TABLE gMmCoreMmst;
-
-VOID *gHobList = NULL;
-
-STATIC MISC_MM_COMMUNICATE_BUFFER *mMiscMmCommunicateBuffer = NULL;
-STATIC EFI_MMRAM_DESCRIPTOR *mNsCommBuffer = NULL;
-STATIC EFI_MMRAM_DESCRIPTOR *mSCommBuffer = NULL;
-
-/**
- Get communication ABI protocol.
-
- @param [out] CommProtocol Communication protocol.
-
- @retval EFI_SUCCESS
- @retval EFI_UNSUPPORTED Not supported
-
-**/
-STATIC
-EFI_STATUS
-EFIAPI
-GetCommProtocol (
- OUT COMM_PROTOCOL *CommProtocol
- )
-{
- EFI_STATUS Status;
- UINT16 RequestMajorVersion;
- UINT16 RequestMinorVersion;
- UINT16 CurrentMajorVersion;
- UINT16 CurrentMinorVersion;
- ARM_SVC_ARGS SvcArgs;
-
- RequestMajorVersion = ARM_FFA_MAJOR_VERSION;
- RequestMinorVersion = ARM_FFA_MINOR_VERSION;
-
- Status = ArmFfaLibGetVersion (
- RequestMajorVersion,
- RequestMinorVersion,
- &CurrentMajorVersion,
- &CurrentMinorVersion
- );
- if (!EFI_ERROR (Status)) {
- *CommProtocol = CommProtocolFfa;
- } else {
- ZeroMem (&SvcArgs, sizeof (ARM_SVC_ARGS));
- SvcArgs.Arg0 = ARM_FID_SPM_MM_VERSION_AARCH32;
-
- ArmCallSvc (&SvcArgs);
-
- if (SvcArgs.Arg0 == ARM_SPM_MM_RET_NOT_SUPPORTED) {
- *CommProtocol = CommProtocolUnknown;
- return EFI_UNSUPPORTED;
- }
-
- *CommProtocol = CommProtocolSpmMm;
- RequestMajorVersion = ARM_SPM_MM_SUPPORT_MAJOR_VERSION;
- RequestMinorVersion = ARM_SPM_MM_SUPPORT_MINOR_VERSION;
- CurrentMajorVersion =
- ((SvcArgs.Arg0 >> ARM_SPM_MM_MAJOR_VERSION_SHIFT) & ARM_SPM_MM_VERSION_MASK);
- CurrentMinorVersion =
- ((SvcArgs.Arg0 >> ARM_SPM_MM_MINOR_VERSION_SHIFT) & ARM_SPM_MM_VERSION_MASK);
- }
-
- // Different major revision values indicate possibly incompatible functions.
- // For two revisions, A and B, for which the major revision values are
- // identical, if the minor revision value of revision B is greater than
- // the minor revision value of revision A, then every function in
- // revision A must work in a compatible way with revision B.
- // However, it is possible for revision B to have a higher
- // function count than revision A
- if ((RequestMajorVersion != CurrentMajorVersion) ||
- (RequestMinorVersion > CurrentMinorVersion))
- {
- DEBUG ((
- DEBUG_INFO,
- "Incompatible %s Versions.\n" \
- "Request Version: Major=0x%x, Minor>=0x%x.\n" \
- "Current Version: Major=0x%x, Minor=0x%x.\n",
- (*CommProtocol == CommProtocolFfa) ? L"FF-A" : L"SPM_MM",
- RequestMajorVersion,
- RequestMinorVersion,
- CurrentMajorVersion,
- CurrentMinorVersion
- ));
-
- return EFI_UNSUPPORTED;
- }
-
- DEBUG ((
- DEBUG_INFO,
- "%s Version: Major=0x%x, Minor=0x%x\n",
- (*CommProtocol == CommProtocolFfa) ? L"FF-A" : L"SPM_MM",
- CurrentMajorVersion,
- CurrentMinorVersion
- ));
-
- return EFI_SUCCESS;
-}
-
-/**
- Validate Boot information when using SpmMm.
- It should use Transfer list according to firmware handoff specification.
-
- @param [in] Arg0 Should be 0x00 because we don't use device tree
- @param [in] Fields Signature and register convention version
- @param [in] Arg2 Should be 0x00 because we don't use device tree
- @param [in] TlhAddr Address of transfer list
-
- @retval EFI_SUCCESS Valid boot information
- @retval EFI_INVALID_PARAMETER Invalid boot information
-
-**/
-STATIC
-EFI_STATUS
-EFIAPI
-ValidateSpmMmBootInfo (
- IN UINTN Arg0,
- IN UINT64 Fields,
- IN UINTN Arg2,
- IN UINTN TlhAddr
- )
-{
- UINT64 RegVersion;
-
- /*
- * The signature value in x1's [23:0] bits is the same regardless of
- * architecture when using Transfer list.
- * That's why it need to check signature value in x1 again with [31:0] bits
- * to discern 32 or 64 bits architecture after checking x1 value in [23:0].
- * Please see:
- * https://github.com/FirmwareHandoff/firmware_handoff/blob/main/source/register_conventions.rst
- */
- if ((Fields & TRANSFER_LIST_SIGNATURE_MASK_64) == TRANSFER_LIST_SIGNATURE_64) {
- RegVersion = (Fields >> REGISTER_CONVENTION_VERSION_SHIFT_64) &
- REGISTER_CONVENTION_VERSION_MASK;
- if ((RegVersion != 1) || (Arg2 != 0x00) || (TlhAddr == 0x00)) {
- return EFI_INVALID_PARAMETER;
- }
- } else if ((Fields & TRANSFER_LIST_SIGNATURE_MASK_32) == TRANSFER_LIST_SIGNATURE_32) {
- RegVersion = (Fields >> REGISTER_CONVENTION_VERSION_SHIFT_32) &
- REGISTER_CONVENTION_VERSION_MASK;
- if ((RegVersion != 1) || (Arg0 != 0x00) || (TlhAddr == 0x00)) {
- return EFI_INVALID_PARAMETER;
- }
- }
-
- return EFI_SUCCESS;
-}
-
-/**
- Validate Boot information when using FF-A.
-
- @param [in] FfaBootInfoHeaderAddr Address of FF-A boot information
-
- @retval EFI_SUCCESS Valid boot information
- @retval EFI_INVALID_PARAMETER Invalid boot information
-
-**/
-STATIC
-EFI_STATUS
-EFIAPI
-ValidateFfaBootInfo (
- IN UINTN FfaBootInfoHeaderAddr
- )
-{
- EFI_FFA_BOOT_INFO_HEADER *FfaBootInfoHeader;
-
- FfaBootInfoHeader = (EFI_FFA_BOOT_INFO_HEADER *)FfaBootInfoHeaderAddr;
- if (FfaBootInfoHeader == NULL) {
- DEBUG ((DEBUG_ERROR, "Error: No FF-A boot information...\n"));
- return EFI_INVALID_PARAMETER;
- }
-
- if ((FfaBootInfoHeader->Magic != FFA_BOOT_INFO_SIGNATURE) ||
- (ARM_FFA_MAJOR_VERSION_GET (FfaBootInfoHeader->Version) <
- ARM_FFA_MAJOR_VERSION) ||
- (ARM_FFA_MINOR_VERSION_GET (FfaBootInfoHeader->Version) <
- ARM_FFA_MINOR_VERSION))
- {
- DEBUG ((DEBUG_ERROR, "Error: Invalid FF-A boot information...\n"));
- return EFI_INVALID_PARAMETER;
- }
-
- return EFI_SUCCESS;
-}
-
-/**
- Validate Boot information.
-
- @param [in] CommProtocol Communication ABI protocol
- @param [in] Arg0 In case of FF-A, address of FF-A boot information
- In case of SPM_MM, 0x00
- @param [in] Arg1 In case of FF-A, 0x00
- In case of SPM_MM, Signature and register convention version
- @param [in] Arg2 should be 0x00
- @param [in] Arg3 In case of FF-A, it's 0x00
- In case of SPM_MM, address of transfer list
-
- @retval EFI_SUCCESS Valid boot information
- @retval EFI_INVALID_PARAMETER Invalid boot information
-
-**/
-STATIC
-EFI_STATUS
-EFIAPI
-ValidateBootInfo (
- IN COMM_PROTOCOL CommProtocol,
- IN UINTN Arg0,
- IN UINTN Arg1,
- IN UINTN Arg2,
- IN UINTN Arg3
- )
-{
- EFI_STATUS Status;
-
- Status = EFI_INVALID_PARAMETER;
-
- if (CommProtocol == CommProtocolSpmMm) {
- Status = ValidateSpmMmBootInfo (Arg0, Arg1, Arg2, Arg3);
- } else if (CommProtocol == CommProtocolFfa) {
- /*
- * In case of FF-A, Arg0 is set as FFA_BOOT_INFO address.
- */
- Status = ValidateFfaBootInfo (Arg0);
- }
-
- if (EFI_ERROR (Status)) {
- DEBUG ((DEBUG_ERROR, "Error: Failed to validate boot information!\n"));
- }
-
- return Status;
-}
-
-/**
- Get PHIT hob information from firmware handoff transfer list protocol.
-
- @param[in] TlhAddr Transfer list header address
-
- @retval NULL Failed to get PHIT hob
- @retval Address PHIT hob address
-
-**/
-STATIC
-VOID *
-EFIAPI
-GetPhitHobFromTransferList (
- IN UINTN TlhAddr
- )
-{
- TRANSFER_LIST_HEADER *Tlh;
- TRANSFER_ENTRY_HEADER *Te;
- VOID *HobStart;
-
- Tlh = (TRANSFER_LIST_HEADER *)TlhAddr;
-
- Te = TlFindFirstEntry (Tlh, TRANSFER_ENTRY_TAG_ID_HOB_LIST);
- if (Te == NULL) {
- DEBUG ((DEBUG_ERROR, "Error: No Phit hob is present in transfer list...\n"));
-
- return NULL;
- }
-
- HobStart = TlGetEntryData (Te);
-
- return HobStart;
-}
-
-/**
- Get PHIT hob information from FF-A boot information.
-
- @param[in] FfaBootInfoHeaderAddr FF-A boot information header address
-
- @retval NULL Failed to get PHIT hob
- @retval Address PHIT hob address
-
-**/
-STATIC
-VOID *
-EFIAPI
-GetPhitHobFromFfaBootInfo (
- IN UINTN FfaBootInfoHeaderAddr
- )
-{
- EFI_FFA_BOOT_INFO_HEADER *FfaBootInfoHeader;
- EFI_FFA_BOOT_INFO_DESC *FfaBootInfoDesc;
- UINT32 Idx;
-
- FfaBootInfoHeader = (EFI_FFA_BOOT_INFO_HEADER *)FfaBootInfoHeaderAddr;
-
- for (Idx = 0; Idx < FfaBootInfoHeader->CountBootInfoDesc; Idx++) {
- FfaBootInfoDesc = (EFI_FFA_BOOT_INFO_DESC *)((FfaBootInfoHeaderAddr +
- FfaBootInfoHeader->OffsetBootInfoDesc) +
- (Idx * FfaBootInfoHeader->SizeBootInfoDesc));
-
- if ((FFA_BOOT_INFO_TYPE (FfaBootInfoDesc->Type) != FFA_BOOT_INFO_TYPE_STD) ||
- (FFA_BOOT_INFO_TYPE_ID (FfaBootInfoDesc->Type) != FFA_BOOT_INFO_TYPE_ID_HOB) ||
- (FFA_BOOT_INFO_FLAG_CONTENT (FfaBootInfoDesc->Flags) != FFA_BOOT_INFO_FLAG_CONTENT_ADDR))
- {
- continue;
- }
-
- return (VOID *)(UINTN)FfaBootInfoDesc->Content;
- }
-
- DEBUG ((DEBUG_ERROR, "Error: No Phit hob is present in FfaBootInfo...\n"));
-
- return NULL;
-}
-
-/**
- Get PHIT Hob from Boot information.
-
- @param [in] CommProtocol Communication ABI protocol
- @param [in] Arg0 In case of FF-A, address of FF-A boot information
- In case of SPM_MM, 0x00 because we don't use device tree.
- @param [in] Arg1 In case of FF-A, 0x00
- In case of SPM_MM, Signature and register convention version
- @param [in] Arg2 Should be 0x00 because we don't use device tree.
- @param [in] Arg3 In case of FF-A, it's 0x00
- In case of SPM_MM, address of transfer list
-
- @retval NULL Failed to get PHIT hob
- @retval Address PHIT hob address
-
-**/
-STATIC
-VOID *
-EFIAPI
-GetPhitHobFromBootInfo (
- IN COMM_PROTOCOL CommProtocol,
- IN UINTN Arg0,
- IN UINTN Arg1,
- IN UINTN Arg2,
- IN UINTN Arg3
- )
-{
- EFI_STATUS Status;
- VOID *HobStart;
-
- Status = ValidateBootInfo (CommProtocol, Arg0, Arg1, Arg2, Arg3);
- if (EFI_ERROR (Status)) {
- return NULL;
- }
-
- if (CommProtocol == CommProtocolFfa) {
- HobStart = GetPhitHobFromFfaBootInfo (Arg0);
- } else {
- HobStart = GetPhitHobFromTransferList (Arg3);
- }
-
- return HobStart;
-}
-
-/**
- Get service type.
- When using FF-A ABI, there're ways to request service to StandaloneMm
- - FF-A with MmCommunication protocol.
- - FF-A service with each specification.
- MmCommunication Protocol can use FFA_MSG_SEND_DIRECT_REQ or REQ2,
- Other FF-A services should use FFA_MSG_SEND_DIRECT_REQ2.
- In case of FF-A with MmCommunication protocol via FFA_MSG_SEND_DIRECT_REQ,
- register x3 saves Communication Buffer with gEfiMmCommunication2ProtocolGuid.
- In case of FF-A with MmCommunication protocol via FFA_MSG_SEND_DIRECT_REQ2,
- register x2/x3 save gEfiMmCommunication2ProtocolGuid and
- register x4 saves Communication Buffer with Service Guid.
-
- Other FF-A services (ServiceTypeMisc) delivers register values according to
- there own service specification.
- That means it doesn't use MmCommunication Buffer with MmCommunication Header
- format.
- (i.e) Tpm service via FF-A or Firmware Update service via FF-A.
- To support latter services by StandaloneMm, it defines SERVICE_TYPE_MISC.
- So that StandaloneMmEntryPointCore.c generates MmCommunication Header
- with delivered register values to dispatch service provided StandaloneMmCore.
- So that service handler can get proper information from delivered register.
-
- In case of SPM_MM Abi, it only supports MmCommunication service.
-
-
- @param[in] ServiceGuid Service Guid
-
- @retval ServiceTypeMmCommunication Mm communication service
- @retval ServiceTypeMisc Service via implemented defined
- register ABI.
- This will generate internal
- MmCommunication Header
- to dispatch service implemented
- in standaloneMm
- @retval ServiceTypeUnknown Not supported service.
-
-**/
-STATIC
-SERVICE_TYPE
-EFIAPI
-GetServiceType (
- IN EFI_GUID *ServiceGuid
- )
-{
- if (CompareGuid (ServiceGuid, &gEfiMmCommunication2ProtocolGuid)) {
- return ServiceTypeMmCommunication;
- }
-
- return ServiceTypeMisc;
-}
-
-/**
- Perform bounds check for the Ns and Secure Communication buffer.
-
- NOTE: We do not need to validate the Misc Communication buffer as
- we are initialising that in StandaloneMm.
-
- @param [in] CommBufferAddr Address of the common buffer.
-
- @retval EFI_SUCCESS Success.
- @retval EFI_ACCESS_DENIED Access not permitted.
-**/
-STATIC
-EFI_STATUS
-ValidateMmCommBufferAddr (
- IN UINTN CommBufferAddr
- )
-{
- UINT64 NsCommBufferEnd;
- UINT64 SCommBufferEnd;
- UINT64 CommBufferEnd;
- UINT64 CommBufferRange;
-
- NsCommBufferEnd = mNsCommBuffer->PhysicalStart + mNsCommBuffer->PhysicalSize;
- SCommBufferEnd = mSCommBuffer->PhysicalStart + mSCommBuffer->PhysicalSize;
-
- if ((CommBufferAddr >= mNsCommBuffer->PhysicalStart) &&
- (CommBufferAddr < NsCommBufferEnd))
- {
- CommBufferEnd = NsCommBufferEnd;
- } else if ((CommBufferAddr >= mSCommBuffer->PhysicalStart) &&
- (CommBufferAddr < SCommBufferEnd))
- {
- CommBufferEnd = SCommBufferEnd;
- } else {
- return EFI_ACCESS_DENIED;
- }
-
- CommBufferRange = CommBufferEnd - CommBufferAddr;
-
- if (CommBufferRange < sizeof (EFI_MM_COMMUNICATE_HEADER)) {
- return EFI_ACCESS_DENIED;
- }
-
- // perform bounds check.
- if (((CommBufferAddr + sizeof (EFI_MM_COMMUNICATE_HEADER) +
- ((EFI_MM_COMMUNICATE_HEADER *)CommBufferAddr)->MessageLength)) >
- CommBufferEnd)
- {
- return EFI_ACCESS_DENIED;
- }
-
- return EFI_SUCCESS;
-}
-
-/**
- Dump mmram descriptor.
-
- @param[in] Name Name
- @param[in] MmramDesc Mmram descriptor
-
-**/
-STATIC
-VOID
-EFIAPI
-DumpMmramDescriptor (
- IN CHAR16 *Name,
- IN EFI_MMRAM_DESCRIPTOR *MmramDesc
- )
-{
- if (MmramDesc == NULL) {
- return;
- }
-
- if (Name == NULL) {
- Name = L"Unknown";
- }
-
- DEBUG ((
- DEBUG_INFO,
- "MmramDescriptor[%s]: PhysicalStart - 0x%lx\n",
- Name,
- MmramDesc->PhysicalStart
- ));
- DEBUG ((
- DEBUG_INFO,
- "MmramDescriptors[%s]: CpuStart - 0x%lx\n",
- Name,
- MmramDesc->CpuStart
- ));
- DEBUG ((
- DEBUG_INFO,
- "MmramDescriptors[%s]: PhysicalSize - %ld\n",
- Name,
- MmramDesc->PhysicalSize
- ));
- DEBUG ((
- DEBUG_INFO,
- "MmramDescriptors[%s]: RegionState - 0x%lx\n",
- Name,
- MmramDesc->RegionState
- ));
-}
-
-/**
- Dump PHIT hob information.
-
- @param[in] HobStart PHIT hob start address.
-
-**/
-STATIC
-VOID
-EFIAPI
-DumpPhitHob (
- IN VOID *HobStart
- )
-{
- EFI_HOB_FIRMWARE_VOLUME *FvHob;
- EFI_HOB_GUID_TYPE *GuidHob;
- EFI_MMRAM_HOB_DESCRIPTOR_BLOCK *MmramRangesHobData;
- EFI_MMRAM_DESCRIPTOR *MmramDesc;
- UINTN Idx;
-
- FvHob = GetNextHob (EFI_HOB_TYPE_FV, HobStart);
- if (FvHob == NULL) {
- DEBUG ((DEBUG_ERROR, "Error: No Firmware Volume Hob is present.\n"));
- return;
- }
-
- DEBUG ((DEBUG_INFO, "FvHob: BaseAddress - 0x%lx\n", FvHob->BaseAddress));
- DEBUG ((DEBUG_INFO, "FvHob: Length - %ld\n", FvHob->Length));
-
- GuidHob = GetNextGuidHob (&gEfiStandaloneMmNonSecureBufferGuid, HobStart);
- if (GuidHob == NULL) {
- DEBUG ((DEBUG_ERROR, "Error: No Ns Buffer Guid Hob is present.\n"));
- return;
- }
-
- DumpMmramDescriptor (L"NsBuffer", GET_GUID_HOB_DATA (GuidHob));
-
- GuidHob = GetNextGuidHob (&gEfiMmPeiMmramMemoryReserveGuid, HobStart);
- if (GuidHob == NULL) {
- DEBUG ((DEBUG_ERROR, "Error: No Pei Mmram Memory Reserved Guid Hob is present.\n"));
- return;
- }
-
- MmramRangesHobData = GET_GUID_HOB_DATA (GuidHob);
- if ((MmramRangesHobData == NULL) ||
- (MmramRangesHobData->NumberOfMmReservedRegions == 0))
- {
- DEBUG ((DEBUG_ERROR, "Error: No Pei Mmram Memory Reserved information is present.\n"));
- return;
- }
-
- for (Idx = 0; Idx < MmramRangesHobData->NumberOfMmReservedRegions; Idx++) {
- MmramDesc = &MmramRangesHobData->Descriptor[Idx];
- DumpMmramDescriptor (L"PeiMemReserved", MmramDesc);
- }
-}
-
-/**
- Convert EFI_STATUS to MM SPM return code.
-
- @param [in] Status edk2 status code.
-
- @retval ARM_SPM_MM_RET_* return value correspond to EFI_STATUS.
-
-**/
-STATIC
-UINTN
-EFIAPI
-EfiStatusToSpmMmStatus (
- IN EFI_STATUS Status
- )
-{
- switch (Status) {
- case EFI_SUCCESS:
- return ARM_SPM_MM_RET_SUCCESS;
- case EFI_INVALID_PARAMETER:
- return ARM_SPM_MM_RET_INVALID_PARAMS;
- case EFI_ACCESS_DENIED:
- return ARM_SPM_MM_RET_DENIED;
- case EFI_OUT_OF_RESOURCES:
- return ARM_SPM_MM_RET_NO_MEMORY;
- default:
- return ARM_SPM_MM_RET_NOT_SUPPORTED;
- }
-}
-
-/**
- Set svc arguments to report initialization status of StandaloneMm.
-
- @param[in] CommProtocol ABI Protocol.
- @param[in] Status Result of initializing StandaloneMm.
- @param[out] EventCompleteSvcArgs Args structure.
-
-**/
-STATIC
-VOID
-ReturnInitStatusToSpmc (
- IN COMM_PROTOCOL CommProtocol,
- IN EFI_STATUS Status,
- OUT ARM_SVC_ARGS *EventCompleteSvcArgs
- )
-{
- ZeroMem (EventCompleteSvcArgs, sizeof (ARM_SVC_ARGS));
-
- if (CommProtocol == CommProtocolFfa) {
- if (EFI_ERROR (Status)) {
- EventCompleteSvcArgs->Arg0 = ARM_FID_FFA_ERROR;
-
- /*
- * In case SvcConduit, this must be zero.
- */
- EventCompleteSvcArgs->Arg1 = 0x00;
- EventCompleteSvcArgs->Arg2 = EfiStatusToFfaStatus (Status);
- } else {
- /*
- * For completion of initialization, It should use FFA_MSG_WAIT.
- * See FF-A specification 5.5 Protocol for completing execution context
- * initialization
- */
- EventCompleteSvcArgs->Arg0 = ARM_FID_FFA_WAIT;
- }
- } else if (CommProtocol == CommProtocolSpmMm) {
- EventCompleteSvcArgs->Arg0 = ARM_FID_SPM_MM_SP_EVENT_COMPLETE;
- EventCompleteSvcArgs->Arg1 = EfiStatusToSpmMmStatus (Status);
- } else {
- /*
- * We don't know what communication abi protocol is using.
- * Set Arg0 as MAX_UINTN to make SPMC know it's error situation.
- */
- EventCompleteSvcArgs->Arg0 = MAX_UINTN;
- }
-}
-
-/**
- Set Event Complete arguments to be returned via SVC call.
-
- @param[in] CommProtocol Communication Protocol.
- @param[in] CommData Communication Abi specific data.
- @param[in] Status Result of StandaloneMm service.
- @param[out] EventCompleteSvcArgs Args structure.
-
-**/
-STATIC
-VOID
-SetEventCompleteSvcArgs (
- IN COMM_PROTOCOL CommProtocol,
- IN VOID *CommData,
- IN EFI_STATUS Status,
- OUT ARM_SVC_ARGS *EventCompleteSvcArgs
- )
-{
- FFA_MSG_INFO *FfaMsgInfo;
-
- ZeroMem (EventCompleteSvcArgs, sizeof (ARM_SVC_ARGS));
-
- if (CommProtocol == CommProtocolFfa) {
- FfaMsgInfo = CommData;
-
- if (EFI_ERROR (Status)) {
- EventCompleteSvcArgs->Arg0 = ARM_FID_FFA_ERROR;
-
- /*
- * StandaloneMm is secure instance. So set as 0x00.
- */
- EventCompleteSvcArgs->Arg1 = 0x00;
- EventCompleteSvcArgs->Arg2 = EfiStatusToFfaStatus (Status);
- } else {
- if (FfaMsgInfo->DirectMsgVersion == DirectMsgV1) {
- EventCompleteSvcArgs->Arg0 = ARM_FID_FFA_MSG_SEND_DIRECT_RESP;
- EventCompleteSvcArgs->Arg3 = ARM_FID_SPM_MM_SP_EVENT_COMPLETE;
- } else {
- EventCompleteSvcArgs->Arg0 = ARM_FID_FFA_MSG_SEND_DIRECT_RESP2;
-
- if (FfaMsgInfo->ServiceType == ServiceTypeMisc) {
- EventCompleteSvcArgs->Arg4 = mMiscMmCommunicateBuffer->DirectMsgArgs.Arg0;
- EventCompleteSvcArgs->Arg5 = mMiscMmCommunicateBuffer->DirectMsgArgs.Arg1;
- EventCompleteSvcArgs->Arg6 = mMiscMmCommunicateBuffer->DirectMsgArgs.Arg2;
- EventCompleteSvcArgs->Arg7 = mMiscMmCommunicateBuffer->DirectMsgArgs.Arg3;
- }
- }
-
- /*
- * Swap source & dest partition id.
- */
- EventCompleteSvcArgs->Arg1 = PACK_PARTITION_ID_INFO (
- FfaMsgInfo->DestPartId,
- FfaMsgInfo->SourcePartId
- );
- }
- } else {
- EventCompleteSvcArgs->Arg0 = ARM_FID_SPM_MM_SP_EVENT_COMPLETE;
- EventCompleteSvcArgs->Arg1 = EfiStatusToSpmMmStatus (Status);
- }
-}
-
-/**
- Wrap Misc service buffer with MmCommunication Header to
- patch event handler via MmCommunication protocol.
-
- @param[in] EventSvcArgs Passed arguments
- @param[in] ServiceGuid Service Guid
- @param[out] Buffer Misc service data
- wrapped with MmCommunication Header.
-
-**/
-STATIC
-VOID
-InitializeMiscMmCommunicateBuffer (
- IN ARM_SVC_ARGS *EventSvcArgs,
- IN EFI_GUID *ServiceGuid,
- OUT MISC_MM_COMMUNICATE_BUFFER *Buffer
- )
-{
- ZeroMem (Buffer, sizeof (MISC_MM_COMMUNICATE_BUFFER));
-
- Buffer->MessageLength = sizeof (DIRECT_MSG_ARGS);
- Buffer->DirectMsgArgs.Arg0 = EventSvcArgs->Arg4;
- Buffer->DirectMsgArgs.Arg1 = EventSvcArgs->Arg5;
- Buffer->DirectMsgArgs.Arg2 = EventSvcArgs->Arg6;
- Buffer->DirectMsgArgs.Arg3 = EventSvcArgs->Arg7;
- CopyGuid (&Buffer->HeaderGuid, ServiceGuid);
-}
-
-/**
- Convert UUID to EFI_GUID format.
- for example, If there is EFI_GUID named
- "378daedc-f06b-4446-8314-40ab933c87a3",
-
- EFI_GUID is saved in memory like:
- dc ae 8d 37
- 6b f0 46 44
- 83 14 40 ab
- 93 3c 87 a3
-
- However, UUID should be saved like:
- 37 8d ae dc
- f0 6b 44 46
- 83 14 40 ab
- 93 3c 87 a3
-
- FF-A and other software components (i.e. linux-kernel)
- uses below format.
-
- To patch mm-service properly, the passed uuid should be converted to
- EFI_GUID format.
-
- @param [in] Uuid Uuid
- @param [out] Guid EFI_GUID
-
-**/
-STATIC
-VOID
-EFIAPI
-ConvertUuidToEfiGuid (
- IN UINT64 *Uuid,
- OUT EFI_GUID *Guid
- )
-{
- UINT32 *Data32;
- UINT16 *Data16;
-
- Data32 = (UINT32 *)Uuid;
- Data32[0] = SwapBytes32 (Data32[0]);
- Data16 = (UINT16 *)&Data32[1];
- Data16[0] = SwapBytes16 (Data16[0]);
- Data16[1] = SwapBytes16 (Data16[1]);
- CopyGuid (Guid, (EFI_GUID *)Uuid);
-}
-
-/**
- A loop to delegate events from SPMC.
- DelegatedEventLoop() calls ArmCallSvc() to exit to SPMC.
- When an event is delegated to StandaloneMm the SPMC returns control
- to StandaloneMm by returning from the SVC call.
-
- @param [in] CommProtocol Abi Protocol.
- @param [in] CpuDriverEntryPoint Entry point to handle request.
- @param [in] EventCompleteSvcArgs Pointer to the event completion arguments.
-
-**/
-STATIC
-VOID
-EFIAPI
-DelegatedEventLoop (
- IN COMM_PROTOCOL CommProtocol,
- IN EDKII_PI_MM_CPU_DRIVER_ENTRYPOINT CpuDriverEntryPoint,
- IN ARM_SVC_ARGS *EventCompleteSvcArgs
- )
-{
- EFI_STATUS Status;
- UINT64 Uuid[2];
- VOID *CommData;
- FFA_MSG_INFO FfaMsgInfo;
- EFI_GUID ServiceGuid;
- SERVICE_TYPE ServiceType;
- UINTN CommBufferAddr;
-
- CommData = NULL;
-
- while (TRUE) {
- // Exit to SPMC.
- ArmCallSvc (EventCompleteSvcArgs);
- // Enter from SPMC.
-
- DEBUG ((DEBUG_INFO, "Received delegated event\n"));
- DEBUG ((DEBUG_INFO, "X0 : 0x%x\n", (UINT32)EventCompleteSvcArgs->Arg0));
- DEBUG ((DEBUG_INFO, "X1 : 0x%x\n", (UINT32)EventCompleteSvcArgs->Arg1));
- DEBUG ((DEBUG_INFO, "X2 : 0x%x\n", (UINT32)EventCompleteSvcArgs->Arg2));
- DEBUG ((DEBUG_INFO, "X3 : 0x%x\n", (UINT32)EventCompleteSvcArgs->Arg3));
- DEBUG ((DEBUG_INFO, "X4 : 0x%x\n", (UINT32)EventCompleteSvcArgs->Arg4));
- DEBUG ((DEBUG_INFO, "X5 : 0x%x\n", (UINT32)EventCompleteSvcArgs->Arg5));
- DEBUG ((DEBUG_INFO, "X6 : 0x%x\n", (UINT32)EventCompleteSvcArgs->Arg6));
- DEBUG ((DEBUG_INFO, "X7 : 0x%x\n", (UINT32)EventCompleteSvcArgs->Arg7));
-
- if (CommProtocol == CommProtocolFfa) {
- /*
- * Register Convention for FF-A
- * Arg0: ARM_FID_FFA_MSG_SEND_DIRECT_REQ/REQ2
- * Arg1: Sender and Receiver endpoint IDs.
- * Arg2: Message Flags for ARM_FID_FFA_MSG_SEND_DIRECT_REQ
- * Low 8 bytes of UUID for ARM_FID_FFA_MSG_SEND_DIRECT_REQ2
- * Arg3: Implementation Defined for ARM_FID_FFA_MSG_SEND_DIRECT_REQ
- * High 8 bytes of UUID for ARM_FID_FFA_MSG_SEND_DIRECT_REQ2
- * Others: Implementation Defined.
- *
- * See Arm Firmware Framework for Arm A-Profile for detail.
- */
- FfaMsgInfo.SourcePartId = GET_SOURCE_PARTITION_ID (EventCompleteSvcArgs->Arg1);
- FfaMsgInfo.DestPartId = GET_DEST_PARTITION_ID (EventCompleteSvcArgs->Arg1);
- CommData = &FfaMsgInfo;
-
- if (EventCompleteSvcArgs->Arg0 == ARM_FID_FFA_MSG_SEND_DIRECT_REQ) {
- FfaMsgInfo.DirectMsgVersion = DirectMsgV1;
- ServiceType = ServiceTypeMmCommunication;
- } else if (EventCompleteSvcArgs->Arg0 == ARM_FID_FFA_MSG_SEND_DIRECT_REQ2) {
- FfaMsgInfo.DirectMsgVersion = DirectMsgV2;
- Uuid[0] = EventCompleteSvcArgs->Arg2;
- Uuid[1] = EventCompleteSvcArgs->Arg3;
- ConvertUuidToEfiGuid (Uuid, &ServiceGuid);
- ServiceType = GetServiceType (&ServiceGuid);
- } else {
- Status = EFI_INVALID_PARAMETER;
- DEBUG ((
- DEBUG_ERROR,
- "Error: Unrecognized FF-A Id: 0x%x\n",
- EventCompleteSvcArgs->Arg0
- ));
- goto ExitHandler;
- }
-
- FfaMsgInfo.ServiceType = ServiceType;
-
- if (ServiceType == ServiceTypeMmCommunication) {
- if (FfaMsgInfo.DirectMsgVersion == DirectMsgV1) {
- CommBufferAddr = EventCompleteSvcArgs->Arg3;
- } else {
- CommBufferAddr = EventCompleteSvcArgs->Arg4;
- }
- } else if (ServiceType == ServiceTypeMisc) {
- /*
- * In case of Misc service, generate mm communication header
- * to dispatch service via StandaloneMmCore.
- */
- InitializeMiscMmCommunicateBuffer (
- EventCompleteSvcArgs,
- &ServiceGuid,
- mMiscMmCommunicateBuffer
- );
- CommBufferAddr = (UINTN)mMiscMmCommunicateBuffer;
- } else {
- Status = EFI_INVALID_PARAMETER;
- DEBUG ((DEBUG_ERROR, "Error: Invalid FF-A Service...\n"));
- goto ExitHandler;
- }
- } else if (CommProtocol == CommProtocolSpmMm) {
- /*
- * Register Convention for SPM_MM
- * Arg0: ARM_SMC_ID_MM_COMMUNICATE
- * Arg1: Communication Buffer
- * Arg2: Size of Communication Buffer
- * Arg3: Cpu number where StandaloneMm running on.
- *
- * See tf-a/services/std_svc/spm/spm_mm/spm_mm_main.c
- */
- if (EventCompleteSvcArgs->Arg0 != ARM_SMC_ID_MM_COMMUNICATE) {
- Status = EFI_INVALID_PARAMETER;
- DEBUG ((
- DEBUG_ERROR,
- "Error: Unrecognized SPM_MM Id: 0x%x\n",
- EventCompleteSvcArgs->Arg0
- ));
- goto ExitHandler;
- }
-
- CommBufferAddr = EventCompleteSvcArgs->Arg1;
- ServiceType = ServiceTypeMmCommunication;
- }
-
- if (ServiceType == ServiceTypeMmCommunication) {
- Status = ValidateMmCommBufferAddr (CommBufferAddr);
- if (EFI_ERROR (Status)) {
- DEBUG ((
- DEBUG_ERROR,
- "Error: Failed to validate Communication Buffer address(0x%x)...\n",
- CommBufferAddr
- ));
- goto ExitHandler;
- }
- }
-
- Status = CpuDriverEntryPoint ((UINTN)ServiceType, CommBufferAddr);
- if (EFI_ERROR (Status)) {
- DEBUG ((
- DEBUG_ERROR,
- "Error: Failed delegated event 0x%x, Status 0x%x\n",
- CommBufferAddr,
- Status
- ));
- }
-
-ExitHandler:
- SetEventCompleteSvcArgs (
- CommProtocol,
- CommData,
- Status,
- EventCompleteSvcArgs
- );
- } // while
-}
-
-/**
- The handoff between the SPMC to StandaloneMM depends on the
- communication interface between the SPMC and StandaloneMM.
- When SpmMM is used, the handoff is implemented using the
- Firmware Handoff protocol. When FF-A is used the FF-A boot
- protocol is used.
-
- @param [in] Arg0 In case of FF-A, address of FF-A boot information
- In case of SPM_MM, this parameter must be zero
- @param [in] Arg1 In case of FF-A, this parameter must be zero
- In case of SPM_MM, Signature and register convention version
- @param [in] Arg2 Must be zero
- @param [in] Arg3 In case of FF-A, this parameter must be zero
- In case of SPM_MM, address of transfer list
-
-**/
-VOID
-EFIAPI
-CEntryPoint (
- IN UINTN Arg0,
- IN UINTN Arg1,
- IN UINTN Arg2,
- IN UINTN Arg3
- )
-{
- PE_COFF_LOADER_IMAGE_CONTEXT ImageContext;
- ARM_SVC_ARGS EventCompleteSvcArgs;
- EFI_STATUS Status;
- UINT32 SectionHeaderOffset;
- UINT16 NumberOfSections;
- COMM_PROTOCOL CommProtocol;
- VOID *HobStart;
- VOID *TeData;
- UINTN TeDataSize;
- EFI_PHYSICAL_ADDRESS ImageBase;
- EDKII_PI_MM_CPU_DRIVER_EP_PROTOCOL *PiMmCpuDriverEpProtocol;
- EDKII_PI_MM_CPU_DRIVER_ENTRYPOINT CpuDriverEntryPoint;
- EFI_HOB_FIRMWARE_VOLUME *FvHob;
- EFI_HOB_GUID_TYPE *GuidHob;
- EFI_CONFIGURATION_TABLE *ConfigurationTable;
- UINTN Idx;
- EFI_MMRAM_HOB_DESCRIPTOR_BLOCK *MmramRangesHob;
-
- CpuDriverEntryPoint = NULL;
-
- Status = GetCommProtocol (&CommProtocol);
- if (EFI_ERROR (Status)) {
- goto finish;
- }
-
- HobStart = GetPhitHobFromBootInfo (CommProtocol, Arg0, Arg1, Arg2, Arg3);
- if (HobStart == NULL) {
- Status = EFI_UNSUPPORTED;
- goto finish;
- }
-
- DEBUG ((DEBUG_INFO, "Start Dump Hob: %lx\n", (unsigned long)HobStart));
- DumpPhitHob (HobStart);
- DEBUG ((DEBUG_INFO, "End Dump Hob: %lx\n", (unsigned long)HobStart));
-
- FvHob = GetNextHob (EFI_HOB_TYPE_FV, HobStart);
- if (FvHob == NULL) {
- DEBUG ((DEBUG_ERROR, "Error: No Firmware Volume Hob is present.\n"));
- Status = EFI_INVALID_PARAMETER;
-
- goto finish;
- }
-
- // Locate PE/COFF File information for the Standalone MM core module
- Status = LocateStandaloneMmCorePeCoffData (
- (EFI_FIRMWARE_VOLUME_HEADER *)(UINTN)FvHob->BaseAddress,
- &TeData,
- &TeDataSize
- );
-
- if (EFI_ERROR (Status)) {
- goto finish;
- }
-
- // Obtain the PE/COFF Section information for the Standalone MM core module
- Status = GetStandaloneMmCorePeCoffSections (
- TeData,
- &ImageContext,
- &ImageBase,
- &SectionHeaderOffset,
- &NumberOfSections
- );
-
- if (EFI_ERROR (Status)) {
- goto finish;
- }
-
- //
- // ImageBase may deviate from ImageContext.ImageAddress if we are dealing
- // with a TE image, in which case the latter points to the actual offset
- // of the image, whereas ImageBase refers to the address where the image
- // would start if the stripped PE headers were still in place. In either
- // case, we need to fix up ImageBase so it refers to the actual current
- // load address.
- //
- ImageBase += (UINTN)TeData - ImageContext.ImageAddress;
-
- // Update the memory access permissions of individual sections in the
- // Standalone MM core module
- Status = UpdateMmFoundationPeCoffPermissions (
- &ImageContext,
- ImageBase,
- SectionHeaderOffset,
- NumberOfSections,
- ArmSetMemoryRegionNoExec,
- ArmSetMemoryRegionReadOnly,
- ArmClearMemoryRegionReadOnly
- );
- if (EFI_ERROR (Status)) {
- goto finish;
- }
-
- if (ImageContext.ImageAddress != (UINTN)TeData) {
- ImageContext.ImageAddress = (UINTN)TeData;
- ArmSetMemoryRegionNoExec (ImageBase, SIZE_4KB);
- ArmClearMemoryRegionReadOnly (ImageBase, SIZE_4KB);
-
- Status = PeCoffLoaderRelocateImage (&ImageContext);
- ASSERT_EFI_ERROR (Status);
- }
-
- // Set the gHobList to point to the HOB list passed by TF-A.
- // This will be used by StandaloneMmCoreHobLib in early stage.
- gHobList = HobStart;
-
- //
- // Call the MM Core entry point
- //
- ProcessModuleEntryPointList (HobStart);
-
- // ProcessModuleEntryPointList() copies the HOB List passed
- // by TF-A, i.e. HobStart, in the ConfigurationTable[].
- // Therefore, find the HobList in the ConfigurationTable[] by
- // searching for the gEfiHobListGuid.
- // Also update the gHobList to point to the HobList in the
- // ConfigurationTable[] as the HobList passed by TF-A can
- // be overwritten by StMM after StMM Core is initialised, i.e.
- // after the MM Core entry point is called.
- Status = EFI_NOT_FOUND;
- ConfigurationTable = gMmCoreMmst.MmConfigurationTable;
- for (Idx = 0; Idx < gMmCoreMmst.NumberOfTableEntries; Idx++) {
- if (CompareGuid (&gEfiHobListGuid, &ConfigurationTable[Idx].VendorGuid)) {
- Status = EFI_SUCCESS;
- break;
- }
- }
-
- if (EFI_ERROR (Status)) {
- DEBUG ((DEBUG_ERROR, "Error: Hoblist not found in MmConfigurationTable\n"));
- goto finish;
- }
-
- gHobList = ConfigurationTable[Idx].VendorTable;
-
- // Find the descriptor that contains the whereabouts of the buffer for
- // communication with the Normal world.
- GuidHob = GetNextGuidHob (&gEfiStandaloneMmNonSecureBufferGuid, gHobList);
- if (GuidHob == NULL) {
- Status = EFI_NOT_FOUND;
- DEBUG ((DEBUG_ERROR, "Error: No NsCommBuffer hob ...\n"));
- goto finish;
- }
-
- mNsCommBuffer = GET_GUID_HOB_DATA (GuidHob);
- if (mNsCommBuffer == NULL) {
- Status = EFI_NOT_FOUND;
- DEBUG ((DEBUG_ERROR, "Error: No NsCommBuffer hob data...\n"));
- goto finish;
- }
-
- //
- // The base and size of buffer shared with
- // privileged Secure world software is in PeiMmramMemoryReservedGuid Hob.
- //
- GuidHob = GetNextGuidHob (&gEfiMmPeiMmramMemoryReserveGuid, gHobList);
- if (GuidHob == NULL) {
- Status = EFI_NOT_FOUND;
- DEBUG ((DEBUG_ERROR, "Error: No PeiMmramMemoryReserved hob ...\n"));
- goto finish;
- }
-
- MmramRangesHob = GET_GUID_HOB_DATA (GuidHob);
- if ((MmramRangesHob == NULL) ||
- (MmramRangesHob->NumberOfMmReservedRegions < MMRAM_DESC_MIN_COUNT))
- {
- Status = EFI_NOT_FOUND;
- DEBUG ((DEBUG_ERROR, "Error: Failed to get shared comm buffer ...\n"));
- goto finish;
- }
-
- mSCommBuffer = &MmramRangesHob->Descriptor[MMRAM_DESC_IDX_SECURE_SHARED_BUFFER];
-
- //
- // Find out cpu driver entry point used in DelegatedEventLoop
- // to handle MMI request.
- //
- Status = gMmCoreMmst.MmLocateProtocol (
- &gEdkiiPiMmCpuDriverEpProtocolGuid,
- NULL,
- (VOID **)&PiMmCpuDriverEpProtocol
- );
- if (EFI_ERROR (Status)) {
- goto finish;
- }
-
- CpuDriverEntryPoint = PiMmCpuDriverEpProtocol->PiMmCpuDriverEntryPoint;
-
- DEBUG ((
- DEBUG_INFO,
- "Shared Cpu Driver EP %p\n",
- CpuDriverEntryPoint
- ));
-
- if (CommProtocol == CommProtocolFfa) {
- Status = gMmCoreMmst.MmAllocatePool (
- EfiRuntimeServicesData,
- sizeof (MISC_MM_COMMUNICATE_BUFFER),
- (VOID **)&mMiscMmCommunicateBuffer
- );
- if (EFI_ERROR (Status)) {
- DEBUG ((
- DEBUG_ERROR,
- "Error: Failed to allocate misc mm communication buffer...\n"
- ));
- goto finish;
- }
- }
-
-finish:
- ReturnInitStatusToSpmc (CommProtocol, Status, &EventCompleteSvcArgs);
-
- // Call DelegateEventLoop(), this function never returns.
- DelegatedEventLoop (CommProtocol, CpuDriverEntryPoint, &EventCompleteSvcArgs);
-}
diff --git a/StandaloneMmPkg/Library/StandaloneMmCoreEntryPoint/StandaloneMmCoreEntryPoint.inf b/StandaloneMmPkg/Library/StandaloneMmCoreEntryPoint/StandaloneMmCoreEntryPoint.inf index 14d42258e7..9f66a8f84c 100644 --- a/StandaloneMmPkg/Library/StandaloneMmCoreEntryPoint/StandaloneMmCoreEntryPoint.inf +++ b/StandaloneMmPkg/Library/StandaloneMmCoreEntryPoint/StandaloneMmCoreEntryPoint.inf @@ -21,16 +21,6 @@ # VALID_ARCHITECTURES = IA32 X64 IPF EBC (EBC is for build only)
#
-[Sources.AARCH64, Sources.ARM]
- Arm/StandaloneMmCoreEntryPoint.c
- Arm/SetPermissions.c
-
-[Sources.AARCH64]
- Arm/ModuleEntryPoint64.S
-
-[Sources.ARM]
- Arm/ModuleEntryPoint32.S
-
[Sources.X64]
X64/StandaloneMmCoreEntryPoint.c
@@ -39,34 +29,15 @@ MdeModulePkg/MdeModulePkg.dec
StandaloneMmPkg/StandaloneMmPkg.dec
-[Packages.ARM, Packages.AARCH64]
- ArmPkg/ArmPkg.dec
-
[LibraryClasses]
BaseLib
DebugLib
-[LibraryClasses.ARM, LibraryClasses.AARCH64]
- StandaloneMmMmuLib
- ArmSvcLib
- ArmTransferListLib
- ArmFfaLib
-
[Guids]
gMpInformationHobGuid
gEfiMmPeiMmramMemoryReserveGuid
gEfiStandaloneMmNonSecureBufferGuid
-[Guids.ARM, Guids.AARCH64]
- gEfiHobListGuid
-
-[Protocols.ARM, Protocols.AARCH64]
- gEdkiiPiMmCpuDriverEpProtocolGuid
- gEfiMmCommunication2ProtocolGuid
-
-[FixedPcd.ARM, FixedPcd.AARCH64]
- gArmTokenSpaceGuid.PcdStMmStackSize
-
#
# This configuration fails for CLANGPDB, which does not support PIE in the GCC
# sense. Such however is required for ARM family StandaloneMmCore
diff --git a/StandaloneMmPkg/StandaloneMmPkg.dec b/StandaloneMmPkg/StandaloneMmPkg.dec index 7ad29fb456..72a54979a4 100644 --- a/StandaloneMmPkg/StandaloneMmPkg.dec +++ b/StandaloneMmPkg/StandaloneMmPkg.dec @@ -33,11 +33,6 @@ [LibraryClasses.X64.PEIM]
MmPlatformHobProducerLib|Include/Library/MmPlatformHobProducerLib.h
-[LibraryClasses.AArch64, LibraryClasses.ARM]
- ## @libraryclass Defines a set of interfaces for the MM core entrypoint for
- ## AArch64 and ARM.
- StandaloneMmCoreEntryPoint|Include/Library/Arm/StandaloneMmCoreEntryPoint.h
-
[Guids]
gStandaloneMmPkgTokenSpaceGuid = { 0x18fe7632, 0xf5c8, 0x4e63, { 0x8d, 0xe8, 0x17, 0xa5, 0x5c, 0x59, 0x13, 0xbd }}
gMpInformationHobGuid = { 0xba33f15d, 0x4000, 0x45c1, { 0x8e, 0x88, 0xf9, 0x16, 0x92, 0xd4, 0x57, 0xe3 }}
@@ -54,9 +49,6 @@ [Ppis]
gMmCoreFvLocationPpiGuid = { 0x47a00618, 0x237a, 0x4386, { 0x8f, 0xc5, 0x2a, 0x86, 0xd8, 0xac, 0x41, 0x05 }}
-[Protocols]
- gEdkiiPiMmCpuDriverEpProtocolGuid = { 0x6ecbd5a1, 0xc0f8, 0x4702, { 0x83, 0x01, 0x4f, 0xc2, 0xc5, 0x47, 0x0a, 0x51 }}
-
[PcdsFixedAtBuild, PcdsPatchableInModule]
## Maximum permitted encapsulation levels of sections in a firmware volume,
# in the MM phase. Minimum value is 1. Sections nested more deeply are rejected.
diff --git a/StandaloneMmPkg/StandaloneMmPkg.dsc b/StandaloneMmPkg/StandaloneMmPkg.dsc index dcffeb2725..a935f3a7e7 100644 --- a/StandaloneMmPkg/StandaloneMmPkg.dsc +++ b/StandaloneMmPkg/StandaloneMmPkg.dsc @@ -56,7 +56,6 @@ PeCoffLib|MdePkg/Library/BasePeCoffLib/BasePeCoffLib.inf
PrintLib|MdePkg/Library/BasePrintLib/BasePrintLib.inf
ReportStatusCodeLib|MdePkg/Library/BaseReportStatusCodeLibNull/BaseReportStatusCodeLibNull.inf
- StandaloneMmCoreEntryPoint|StandaloneMmPkg/Library/StandaloneMmCoreEntryPoint/StandaloneMmCoreEntryPoint.inf
StandaloneMmDriverEntryPoint|MdePkg/Library/StandaloneMmDriverEntryPoint/StandaloneMmDriverEntryPoint.inf
VariableMmDependency|StandaloneMmPkg/Library/VariableMmDependency/VariableMmDependency.inf
HobPrintLib|MdeModulePkg/Library/HobPrintLib/HobPrintLib.inf
@@ -72,8 +71,12 @@ PeiServicesTablePointerLib|MdePkg/Library/PeiServicesTablePointerLib/PeiServicesTablePointerLib.inf
MmUnblockMemoryLib|MdePkg/Library/MmUnblockMemoryLib/MmUnblockMemoryLibNull.inf
+[LibraryClasses.X64]
+ StandaloneMmCoreEntryPoint|StandaloneMmPkg/Library/StandaloneMmCoreEntryPoint/StandaloneMmCoreEntryPoint.inf
+
[LibraryClasses.AARCH64, LibraryClasses.ARM]
ArmLib|ArmPkg/Library/ArmLib/ArmBaseLib.inf
+ StandaloneMmCoreEntryPoint|ArmPkg/Library/ArmStandaloneMmCoreEntryPoint/ArmStandaloneMmCoreEntryPoint.inf
StandaloneMmMmuLib|ArmPkg/Library/StandaloneMmMmuLib/ArmMmuStandaloneMmLib.inf
ArmSmcLib|ArmPkg/Library/ArmSmcLib/ArmSmcLib.inf
ArmSvcLib|ArmPkg/Library/ArmSvcLib/ArmSvcLib.inf
@@ -135,7 +138,6 @@ #
StandaloneMmPkg/Core/StandaloneMmCore.inf
StandaloneMmPkg/Library/FvLib/FvLib.inf
- StandaloneMmPkg/Library/StandaloneMmCoreEntryPoint/StandaloneMmCoreEntryPoint.inf
StandaloneMmPkg/Library/StandaloneMmCoreHobLib/StandaloneMmCoreHobLib.inf
StandaloneMmPkg/Library/StandaloneMmCoreMemoryAllocationLib/StandaloneMmCoreMemoryAllocationLib.inf
StandaloneMmPkg/Library/StandaloneMmHobLib/StandaloneMmHobLib.inf
@@ -148,10 +150,10 @@ StandaloneMmPkg/Library/StandaloneMmExtractGuidedSectionLib/StandaloneMmExtractGuidedSectionLib.inf
[Components.AARCH64, Components.ARM]
- StandaloneMmPkg/Drivers/StandaloneMmCpu/StandaloneMmCpu.inf
StandaloneMmPkg/Library/StandaloneMmPeCoffExtraActionLib/StandaloneMmPeCoffExtraActionLib.inf
[Components.X64]
+ StandaloneMmPkg/Library/StandaloneMmCoreEntryPoint/StandaloneMmCoreEntryPoint.inf
StandaloneMmPkg/Drivers/StandaloneMmIplPei/StandaloneMmIplPei.inf
###################################################################################################
|