diff options
Diffstat (limited to 'Core/MdePkg/Library/DxeExtendedSalLib/ExtendedSalLib.c')
| -rw-r--r-- | Core/MdePkg/Library/DxeExtendedSalLib/ExtendedSalLib.c | 1001 |
1 files changed, 1001 insertions, 0 deletions
diff --git a/Core/MdePkg/Library/DxeExtendedSalLib/ExtendedSalLib.c b/Core/MdePkg/Library/DxeExtendedSalLib/ExtendedSalLib.c new file mode 100644 index 0000000000..0f48c63f7b --- /dev/null +++ b/Core/MdePkg/Library/DxeExtendedSalLib/ExtendedSalLib.c @@ -0,0 +1,1001 @@ +/** @file
+ The library implements the Extended SAL Library Class for boot service only modules.
+
+ Copyright (c) 2007 - 2012, Intel Corporation. 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.
+
+**/
+
+#include <PiDxe.h>
+
+#include <Protocol/ExtendedSalBootService.h>
+#include <Protocol/ExtendedSalServiceClasses.h>
+
+#include <Library/ExtendedSalLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/DebugLib.h>
+
+/**
+ Stores the physical plabel of ESAL entrypoint.
+
+ This assembly function stores the physical plabel of ESAL entrypoint
+ where GetEsalEntryPoint() can easily retrieve.
+
+ @param EntryPoint Physical address of ESAL entrypoint
+ @param Gp Physical GP of ESAL entrypoint
+
+ @return r8 = EFI_SAL_SUCCESS
+
+**/
+SAL_RETURN_REGS
+EFIAPI
+SetEsalPhysicalEntryPoint (
+ IN UINT64 EntryPoint,
+ IN UINT64 Gp
+ );
+
+/**
+ Retrieves plabel of ESAL entrypoint.
+
+ This function retrives plabel of ESAL entrypoint stored by
+ SetEsalPhysicalEntryPoint().
+
+ @return r8 = EFI_SAL_SUCCESS
+ r9 = Physical Plabel
+ r10 = Virtual Plabel
+ r11 = PSR
+
+**/
+SAL_RETURN_REGS
+EFIAPI
+GetEsalEntryPoint (
+ VOID
+ );
+
+EXTENDED_SAL_BOOT_SERVICE_PROTOCOL *mEsalBootService = NULL;
+EFI_PLABEL mPlabel;
+
+/**
+ Constructor function to get Extended SAL Boot Service Protocol, and initializes
+ physical plabel of ESAL entrypoint.
+
+ This function first locates Extended SAL Boot Service Protocol and caches it in global variable.
+ Then it initializes the physical plable of ESAL entrypoint, and stores
+ it where GetEsalEntryPoint() can easily retrieve.
+
+ @param ImageHandle The firmware allocated handle for the EFI image.
+ @param SystemTable A pointer to the EFI System Table.
+
+ @retval EFI_SUCCESS Plable of ESAL entrypoint successfully stored.
+
+**/
+EFI_STATUS
+EFIAPI
+DxeExtendedSalLibConstruct (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_PLABEL *Plabel;
+ EFI_STATUS Status;
+
+ //
+ // The protocol contains a function pointer, which is an indirect procedure call.
+ // An indirect procedure call goes through a plabel, and pointer to a function is
+ // a pointer to a plabel. To implement indirect procedure calls that can work in
+ // both physical and virtual mode, two plabels are required (one physical and one
+ // virtual). So lets grap the physical PLABEL for the EsalEntryPoint and store it
+ // away. We cache it in a module global, so we can register the vitrual version.
+ //
+ Status = gBS->LocateProtocol (&gEfiExtendedSalBootServiceProtocolGuid, NULL, (VOID **) &mEsalBootService);
+ ASSERT_EFI_ERROR (Status);
+
+ Plabel = (EFI_PLABEL *) (UINTN) mEsalBootService->ExtendedSalProc;
+ mPlabel.EntryPoint = Plabel->EntryPoint;
+ mPlabel.GP = Plabel->GP;
+ //
+ // Stores the physical plabel of ESAL entrypoint where GetEsalEntryPoint() can easily retrieve.
+ //
+ SetEsalPhysicalEntryPoint (mPlabel.EntryPoint, mPlabel.GP);
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Registers function of ESAL class and it's associated global.
+
+ This function registers function of ESAL class, together with its associated global.
+ It is worker function for RegisterEsalClass().
+ It is only for boot time.
+
+ @param FunctionId ID of function to register
+ @param ClassGuidLo GUID of ESAL class, lower 64-bits
+ @param ClassGuidHi GUID of ESAL class, upper 64-bits
+ @param Function Function to register with ClassGuid/FunctionId pair
+ @param ModuleGlobal Module global for the function.
+
+ @return Status returned by RegisterExtendedSalProc() of Extended SAL Boot Service Protocol
+
+**/
+EFI_STATUS
+RegisterEsalFunction (
+ IN UINT64 FunctionId,
+ IN UINT64 ClassGuidLo,
+ IN UINT64 ClassGuidHi,
+ IN SAL_INTERNAL_EXTENDED_SAL_PROC Function,
+ IN VOID *ModuleGlobal
+ )
+{
+ return mEsalBootService->RegisterExtendedSalProc (
+ mEsalBootService,
+ ClassGuidLo,
+ ClassGuidHi,
+ FunctionId,
+ Function,
+ ModuleGlobal
+ );
+}
+
+/**
+ Registers ESAL Class and it's associated global.
+
+ This function registers one or more Extended SAL services in a given
+ class along with the associated global context.
+ This function is only available prior to ExitBootServices().
+
+ @param ClassGuidLo GUID of function class, lower 64-bits
+ @param ClassGuidHi GUID of function class, upper 64-bits
+ @param ModuleGlobal Module global for the class.
+ @param ... List of Function/FunctionId pairs, ended by NULL
+
+ @retval EFI_SUCCESS The Extended SAL services were registered.
+ @retval EFI_UNSUPPORTED This function was called after ExitBootServices().
+ @retval EFI_OUT_OF_RESOURCES There are not enough resources available to register one or more of the specified services.
+ @retval Other ClassGuid could not be installed onto a new handle.
+
+**/
+EFI_STATUS
+EFIAPI
+RegisterEsalClass (
+ IN CONST UINT64 ClassGuidLo,
+ IN CONST UINT64 ClassGuidHi,
+ IN VOID *ModuleGlobal, OPTIONAL
+ ...
+ )
+{
+ VA_LIST Args;
+ EFI_STATUS Status;
+ SAL_INTERNAL_EXTENDED_SAL_PROC Function;
+ UINT64 FunctionId;
+ EFI_HANDLE NewHandle;
+ EFI_GUID ClassGuid;
+
+ VA_START (Args, ModuleGlobal);
+
+ //
+ // Register all functions of the class to register.
+ //
+ Status = EFI_SUCCESS;
+ while (!EFI_ERROR (Status)) {
+ Function = (SAL_INTERNAL_EXTENDED_SAL_PROC) VA_ARG (Args, SAL_INTERNAL_EXTENDED_SAL_PROC);
+ //
+ // NULL serves as the end mark of function list
+ //
+ if (Function == NULL) {
+ break;
+ }
+
+ FunctionId = VA_ARG (Args, UINT64);
+
+ Status = RegisterEsalFunction (FunctionId, ClassGuidLo, ClassGuidHi, Function, ModuleGlobal);
+ }
+
+ VA_END (Args);
+
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ NewHandle = NULL;
+ *((UINT64 *)(&ClassGuid) + 0) = ClassGuidLo;
+ *((UINT64 *)(&ClassGuid) + 1) = ClassGuidHi;
+ return gBS->InstallProtocolInterface (
+ &NewHandle,
+ &ClassGuid,
+ EFI_NATIVE_INTERFACE,
+ NULL
+ );
+}
+
+/**
+ Calls an Extended SAL Class service that was previously registered with RegisterEsalClass().
+
+ This function gets the entrypoint of Extended SAL, and calls an Extended SAL Class service
+ that was previously registered with RegisterEsalClass() through this entrypoint.
+
+ @param ClassGuidLo GUID of function, lower 64-bits
+ @param ClassGuidHi GUID of function, upper 64-bits
+ @param FunctionId Function in ClassGuid to call
+ @param Arg2 Argument 2 ClassGuid/FunctionId defined
+ @param Arg3 Argument 3 ClassGuid/FunctionId defined
+ @param Arg4 Argument 4 ClassGuid/FunctionId defined
+ @param Arg5 Argument 5 ClassGuid/FunctionId defined
+ @param Arg6 Argument 6 ClassGuid/FunctionId defined
+ @param Arg7 Argument 7 ClassGuid/FunctionId defined
+ @param Arg8 Argument 8 ClassGuid/FunctionId defined
+
+ @retval EFI_SAL_SUCCESS ESAL procedure successfully called.
+ @retval EFI_SAL_ERROR The address of ExtendedSalProc() can not be correctly
+ initialized.
+ @retval Other Status returned from ExtendedSalProc() service of
+ EXTENDED_SAL_BOOT_SERVICE_PROTOCOL.
+
+**/
+SAL_RETURN_REGS
+EFIAPI
+EsalCall (
+ IN UINT64 ClassGuidLo,
+ IN UINT64 ClassGuidHi,
+ IN UINT64 FunctionId,
+ IN UINT64 Arg2,
+ IN UINT64 Arg3,
+ IN UINT64 Arg4,
+ IN UINT64 Arg5,
+ IN UINT64 Arg6,
+ IN UINT64 Arg7,
+ IN UINT64 Arg8
+ )
+{
+ SAL_RETURN_REGS ReturnReg;
+ EXTENDED_SAL_PROC EsalProc;
+
+ //
+ // Get the entrypoint of Extended SAL
+ //
+ ReturnReg = GetEsalEntryPoint ();
+ if (*(UINT64 *)ReturnReg.r9 == 0 && *(UINT64 *)(ReturnReg.r9 + 8) == 0) {
+ //
+ // The ESAL Entry Point could not be initialized
+ //
+ ReturnReg.Status = EFI_SAL_ERROR;
+ return ReturnReg;
+ }
+
+ //
+ // Test PSR.it which is BIT36
+ //
+ if ((ReturnReg.r11 & BIT36) != 0) {
+ //
+ // Virtual mode plabel to entry point
+ //
+ EsalProc = (EXTENDED_SAL_PROC) ReturnReg.r10;
+ } else {
+ //
+ // Physical mode plabel to entry point
+ //
+ EsalProc = (EXTENDED_SAL_PROC) ReturnReg.r9;
+ }
+
+ return EsalProc (
+ ClassGuidLo,
+ ClassGuidHi,
+ FunctionId,
+ Arg2,
+ Arg3,
+ Arg4,
+ Arg5,
+ Arg6,
+ Arg7,
+ Arg8
+ );
+}
+
+/**
+ Wrapper for the EsalStallFunctionId service of Extended SAL Stall Services Class.
+
+ This function is a wrapper for the EsalStallFunctionId service of Extended SAL
+ Stall Services Class. See EsalStallFunctionId of Extended SAL Specification.
+
+ @param Microseconds The number of microseconds to delay.
+
+ @retval EFI_SAL_SUCCESS Call completed without error.
+ @retval EFI_SAL_INVALID_ARGUMENT Invalid argument.
+ @retval EFI_SAL_VIRTUAL_ADDRESS_ERROR Virtual address not registered
+
+**/
+SAL_RETURN_REGS
+EFIAPI
+EsalStall (
+ IN UINTN Microseconds
+ )
+{
+ return EsalCall (
+ EFI_EXTENDED_SAL_STALL_SERVICES_PROTOCOL_GUID_LO,
+ EFI_EXTENDED_SAL_STALL_SERVICES_PROTOCOL_GUID_HI,
+ StallFunctionId,
+ Microseconds,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0
+ );
+}
+
+/**
+ Wrapper for the EsalSetNewPalEntryFunctionId service of Extended SAL PAL Services Services Class.
+
+ This function is a wrapper for the EsalSetNewPalEntryFunctionId service of Extended SAL
+ PAL Services Services Class. See EsalSetNewPalEntryFunctionId of Extended SAL Specification.
+
+ @param PhysicalAddress If TRUE, then PalEntryPoint is a physical address.
+ If FALSE, then PalEntryPoint is a virtual address.
+ @param PalEntryPoint The PAL Entry Point being set.
+
+ @retval EFI_SAL_SUCCESS The PAL Entry Point was set.
+ @retval EFI_SAL_VIRTUAL_ADDRESS_ERROR This function was called in virtual mode before
+ virtual mappings for the specified Extended SAL
+ Procedure are available.
+
+**/
+SAL_RETURN_REGS
+EFIAPI
+EsalSetNewPalEntry (
+ IN BOOLEAN PhysicalAddress,
+ IN UINT64 PalEntryPoint
+ )
+{
+ return EsalCall (
+ EFI_EXTENDED_SAL_PAL_SERVICES_PROTOCOL_GUID_LO,
+ EFI_EXTENDED_SAL_PAL_SERVICES_PROTOCOL_GUID_HI,
+ SetNewPalEntryFunctionId,
+ PhysicalAddress,
+ PalEntryPoint,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0
+ );
+}
+
+/**
+ Wrapper for the EsalGetNewPalEntryFunctionId service of Extended SAL PAL Services Services Class.
+
+ This function is a wrapper for the EsalGetNewPalEntryFunctionId service of Extended SAL
+ PAL Services Services Class. See EsalGetNewPalEntryFunctionId of Extended SAL Specification.
+
+ @param PhysicalAddress If TRUE, then PalEntryPoint is a physical address.
+ If FALSE, then PalEntryPoint is a virtual address.
+
+ @retval EFI_SAL_SUCCESS The PAL Entry Point was retrieved and returned in
+ SAL_RETURN_REGS.r9.
+ @retval EFI_SAL_VIRTUAL_ADDRESS_ERROR This function was called in virtual mode before
+ virtual mappings for the specified Extended SAL
+ Procedure are available.
+ @return r9 PAL entry point retrieved.
+
+**/
+SAL_RETURN_REGS
+EFIAPI
+EsalGetNewPalEntry (
+ IN BOOLEAN PhysicalAddress
+ )
+{
+ return EsalCall (
+ EFI_EXTENDED_SAL_PAL_SERVICES_PROTOCOL_GUID_LO,
+ EFI_EXTENDED_SAL_PAL_SERVICES_PROTOCOL_GUID_HI,
+ GetNewPalEntryFunctionId,
+ PhysicalAddress,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0
+ );
+}
+
+/**
+ Wrapper for the EsalGetStateBufferFunctionId service of Extended SAL MCA Log Services Class.
+
+ This function is a wrapper for the EsalGetStateBufferFunctionId service of Extended SAL
+ MCA Log Services Class. See EsalGetStateBufferFunctionId of Extended SAL Specification.
+
+ @param McaType See type parameter of SAL Procedure SAL_GET_STATE_INFO.
+ @param McaBuffer A pointer to the base address of the returned buffer.
+ Copied from SAL_RETURN_REGS.r9.
+ @param BufferSize A pointer to the size, in bytes, of the returned buffer.
+ Copied from SAL_RETURN_REGS.r10.
+
+ @retval EFI_SAL_SUCCESS The memory buffer to store error records was returned in r9 and r10.
+ @retval EFI_OUT_OF_RESOURCES A memory buffer for string error records in not available
+ @return r9 Base address of the returned buffer
+ @return r10 Size of the returned buffer in bytes
+
+**/
+SAL_RETURN_REGS
+EFIAPI
+EsalGetStateBuffer (
+ IN UINT64 McaType,
+ OUT UINT8 **McaBuffer,
+ OUT UINTN *BufferSize
+ )
+{
+ SAL_RETURN_REGS Regs;
+
+ Regs = EsalCall (
+ EFI_EXTENDED_SAL_MCA_LOG_SERVICES_PROTOCOL_GUID_LO,
+ EFI_EXTENDED_SAL_MCA_LOG_SERVICES_PROTOCOL_GUID_HI,
+ EsalGetStateBufferFunctionId,
+ McaType,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0
+ );
+
+ *McaBuffer = (UINT8 *) Regs.r9;
+ *BufferSize = Regs.r10;
+
+ return Regs;
+}
+
+/**
+ Wrapper for the EsalSaveStateBufferFunctionId service of Extended SAL MCA Log Services Class.
+
+ This function is a wrapper for the EsalSaveStateBufferFunctionId service of Extended SAL
+ MCA Log Services Class. See EsalSaveStateBufferFunctionId of Extended SAL Specification.
+
+ @param McaType See type parameter of SAL Procedure SAL_GET_STATE_INFO.
+
+ @retval EFI_SUCCESS The memory buffer containing the error record was written to nonvolatile storage.
+
+**/
+SAL_RETURN_REGS
+EFIAPI
+EsalSaveStateBuffer (
+ IN UINT64 McaType
+ )
+{
+ return EsalCall (
+ EFI_EXTENDED_SAL_MCA_LOG_SERVICES_PROTOCOL_GUID_LO,
+ EFI_EXTENDED_SAL_MCA_LOG_SERVICES_PROTOCOL_GUID_HI,
+ EsalSaveStateBufferFunctionId,
+ McaType,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0
+ );
+}
+
+/**
+ Wrapper for the EsalGetVectorsFunctionId service of Extended SAL Base Services Class.
+
+ This function is a wrapper for the EsalGetVectorsFunctionId service of Extended SAL
+ Base Services Class. See EsalGetVectorsFunctionId of Extended SAL Specification.
+
+ @param VectorType The vector type to retrieve.
+ 0 - MCA, 1 - BSP INIT, 2 - BOOT_RENDEZ, 3 - AP INIT.
+
+ @retval EFI_SAL_SUCCESS Call completed without error.
+ @retval EFI_SAL_INVALID_ARGUMENT Invalid argument.
+ @retval EFI_SAL_NO_INFORMATION The requested vector has not been registered
+ with the SAL Procedure SAL_SET_VECTORS.
+
+**/
+SAL_RETURN_REGS
+EFIAPI
+EsalGetVectors (
+ IN UINT64 VectorType
+ )
+{
+ return EsalCall (
+ EFI_EXTENDED_SAL_BASE_SERVICES_PROTOCOL_GUID_LO,
+ EFI_EXTENDED_SAL_BASE_SERVICES_PROTOCOL_GUID_HI,
+ EsalGetVectorsFunctionId,
+ VectorType,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0
+ );
+}
+
+/**
+ Wrapper for the EsalMcGetParamsFunctionId service of Extended SAL Base Services Class.
+
+ This function is a wrapper for the EsalMcGetParamsFunctionId service of Extended SAL
+ Base Services Class. See EsalMcGetParamsFunctionId of Extended SAL Specification.
+
+ @param ParamInfoType The parameter type to retrieve.
+ 1 - rendezvous interrupt
+ 2 - wake up
+ 3 - Corrected Platform Error Vector.
+
+ @retval EFI_SAL_SUCCESS Call completed without error.
+ @retval EFI_SAL_INVALID_ARGUMENT Invalid argument.
+ @retval EFI_SAL_NO_INFORMATION The requested vector has not been registered
+ with the SAL Procedure SAL_MC_SET_PARAMS.
+
+**/
+SAL_RETURN_REGS
+EFIAPI
+EsalMcGetParams (
+ IN UINT64 ParamInfoType
+ )
+{
+ return EsalCall (
+ EFI_EXTENDED_SAL_BASE_SERVICES_PROTOCOL_GUID_LO,
+ EFI_EXTENDED_SAL_BASE_SERVICES_PROTOCOL_GUID_HI,
+ EsalMcGetParamsFunctionId,
+ ParamInfoType,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0
+ );
+}
+
+/**
+ Wrapper for the EsalMcGetParamsFunctionId service of Extended SAL Base Services Class.
+
+ This function is a wrapper for the EsalMcGetParamsFunctionId service of Extended SAL
+ Base Services Class. See EsalMcGetParamsFunctionId of Extended SAL Specification.
+
+ @retval EFI_SAL_SUCCESS Call completed without error.
+ @retval EFI_SAL_NO_INFORMATION The requested vector has not been registered
+ with the SAL Procedure SAL_MC_SET_PARAMS.
+
+**/
+SAL_RETURN_REGS
+EFIAPI
+EsalMcGetMcParams (
+ VOID
+ )
+{
+ return EsalCall (
+ EFI_EXTENDED_SAL_BASE_SERVICES_PROTOCOL_GUID_LO,
+ EFI_EXTENDED_SAL_BASE_SERVICES_PROTOCOL_GUID_HI,
+ EsalMcGetMcParamsFunctionId,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0
+ );
+}
+
+/**
+ Wrapper for the EsalGetMcCheckinFlagsFunctionId service of Extended SAL Base Services Class.
+
+ This function is a wrapper for the EsalGetMcCheckinFlagsFunctionId service of Extended SAL
+ Base Services Class. See EsalGetMcCheckinFlagsFunctionId of Extended SAL Specification.
+
+ @param CpuIndex The index of the CPU of set of enabled CPUs to check.
+
+ @retval EFI_SAL_SUCCESS The checkin status of the requested CPU was returned.
+
+**/
+SAL_RETURN_REGS
+EFIAPI
+EsalGetMcCheckinFlags (
+ IN UINT64 CpuIndex
+ )
+{
+ return EsalCall (
+ EFI_EXTENDED_SAL_BASE_SERVICES_PROTOCOL_GUID_LO,
+ EFI_EXTENDED_SAL_BASE_SERVICES_PROTOCOL_GUID_HI,
+ EsalGetMcCheckinFlagsFunctionId,
+ CpuIndex,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0
+ );
+}
+
+/**
+ Wrapper for the EsalAddCpuDataFunctionId service of Extended SAL MP Services Class.
+
+ This function is a wrapper for the EsalAddCpuDataFunctionId service of Extended SAL
+ MP Services Class. See EsalAddCpuDataFunctionId of Extended SAL Specification.
+
+ @param CpuGlobalId The Global ID for the CPU being added.
+ @param Enabled The enable flag for the CPU being added.
+ TRUE means the CPU is enabled.
+ FALSE means the CPU is disabled.
+ @param PalCompatibility The PAL Compatibility value for the CPU being added.
+
+ @retval EFI_SAL_SUCCESS The CPU was added to the database.
+ @retval EFI_SAL_NOT_ENOUGH_SCRATCH There are not enough resource available to add the CPU.
+
+**/
+SAL_RETURN_REGS
+EFIAPI
+EsalAddCpuData (
+ IN UINT64 CpuGlobalId,
+ IN BOOLEAN Enabled,
+ IN UINT64 PalCompatibility
+ )
+{
+ return EsalCall (
+ EFI_EXTENDED_SAL_MP_SERVICES_PROTOCOL_GUID_LO,
+ EFI_EXTENDED_SAL_MP_SERVICES_PROTOCOL_GUID_HI,
+ AddCpuDataFunctionId,
+ CpuGlobalId,
+ Enabled,
+ PalCompatibility,
+ 0,
+ 0,
+ 0,
+ 0
+ );
+}
+
+/**
+ Wrapper for the EsalRemoveCpuDataFunctionId service of Extended SAL MP Services Class.
+
+ This function is a wrapper for the EsalRemoveCpuDataFunctionId service of Extended SAL
+ MP Services Class. See EsalRemoveCpuDataFunctionId of Extended SAL Specification.
+
+ @param CpuGlobalId The Global ID for the CPU being removed.
+
+ @retval EFI_SAL_SUCCESS The CPU was removed from the database.
+ @retval EFI_SAL_NO_INFORMATION The specified CPU is not in the database.
+
+**/
+SAL_RETURN_REGS
+EFIAPI
+EsalRemoveCpuData (
+ IN UINT64 CpuGlobalId
+ )
+{
+ return EsalCall (
+ EFI_EXTENDED_SAL_MP_SERVICES_PROTOCOL_GUID_LO,
+ EFI_EXTENDED_SAL_MP_SERVICES_PROTOCOL_GUID_HI,
+ RemoveCpuDataFunctionId,
+ CpuGlobalId,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0
+ );
+}
+
+/**
+ Wrapper for the EsalModifyCpuDataFunctionId service of Extended SAL MP Services Class.
+
+ This function is a wrapper for the EsalModifyCpuDataFunctionId service of Extended SAL
+ MP Services Class. See EsalModifyCpuDataFunctionId of Extended SAL Specification.
+
+ @param CpuGlobalId The Global ID for the CPU being modified.
+ @param Enabled The enable flag for the CPU being modified.
+ TRUE means the CPU is enabled.
+ FALSE means the CPU is disabled.
+ @param PalCompatibility The PAL Compatibility value for the CPU being modified.
+
+ @retval EFI_SAL_SUCCESS The CPU database was updated.
+ @retval EFI_SAL_NO_INFORMATION The specified CPU is not in the database.
+
+**/
+SAL_RETURN_REGS
+EFIAPI
+EsalModifyCpuData (
+ IN UINT64 CpuGlobalId,
+ IN BOOLEAN Enabled,
+ IN UINT64 PalCompatibility
+ )
+{
+ return EsalCall (
+ EFI_EXTENDED_SAL_MP_SERVICES_PROTOCOL_GUID_LO,
+ EFI_EXTENDED_SAL_MP_SERVICES_PROTOCOL_GUID_HI,
+ ModifyCpuDataFunctionId,
+ CpuGlobalId,
+ Enabled,
+ PalCompatibility,
+ 0,
+ 0,
+ 0,
+ 0
+ );
+}
+
+/**
+ Wrapper for the EsalGetCpuDataByIdFunctionId service of Extended SAL MP Services Class.
+
+ This function is a wrapper for the EsalGetCpuDataByIdFunctionId service of Extended SAL
+ MP Services Class. See EsalGetCpuDataByIdFunctionId of Extended SAL Specification.
+
+ @param CpuGlobalId The Global ID for the CPU being looked up.
+ @param IndexByEnabledCpu If TRUE, then the index of set of enabled CPUs of database is returned.
+ If FALSE, then the index of set of all CPUs of database is returned.
+
+ @retval EFI_SAL_SUCCESS The information on the specified CPU was returned.
+ @retval EFI_SAL_NO_INFORMATION The specified CPU is not in the database.
+
+**/
+SAL_RETURN_REGS
+EFIAPI
+EsalGetCpuDataById (
+ IN UINT64 CpuGlobalId,
+ IN BOOLEAN IndexByEnabledCpu
+ )
+{
+ return EsalCall (
+ EFI_EXTENDED_SAL_MP_SERVICES_PROTOCOL_GUID_LO,
+ EFI_EXTENDED_SAL_MP_SERVICES_PROTOCOL_GUID_HI,
+ GetCpuDataByIDFunctionId,
+ CpuGlobalId,
+ IndexByEnabledCpu,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0
+ );
+}
+
+/**
+ Wrapper for the EsalGetCpuDataByIndexFunctionId service of Extended SAL MP Services Class.
+
+ This function is a wrapper for the EsalGetCpuDataByIndexFunctionId service of Extended SAL
+ MP Services Class. See EsalGetCpuDataByIndexFunctionId of Extended SAL Specification.
+
+ @param Index The Global ID for the CPU being modified.
+ @param IndexByEnabledCpu If TRUE, then the index of set of enabled CPUs of database is returned.
+ If FALSE, then the index of set of all CPUs of database is returned.
+
+ @retval EFI_SAL_SUCCESS The information on the specified CPU was returned.
+ @retval EFI_SAL_NO_INFORMATION The specified CPU is not in the database.
+
+**/
+SAL_RETURN_REGS
+EFIAPI
+EsalGetCpuDataByIndex (
+ IN UINT64 Index,
+ IN BOOLEAN IndexByEnabledCpu
+ )
+{
+ return EsalCall (
+ EFI_EXTENDED_SAL_MP_SERVICES_PROTOCOL_GUID_LO,
+ EFI_EXTENDED_SAL_MP_SERVICES_PROTOCOL_GUID_HI,
+ GetCpuDataByIndexFunctionId,
+ Index,
+ IndexByEnabledCpu,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0
+ );
+}
+
+/**
+ Wrapper for the EsalWhoAmIFunctionId service of Extended SAL MP Services Class.
+
+ This function is a wrapper for the EsalWhoAmIFunctionId service of Extended SAL
+ MP Services Class. See EsalWhoAmIFunctionId of Extended SAL Specification.
+
+ @param IndexByEnabledCpu If TRUE, then the index of set of enabled CPUs of database is returned.
+ If FALSE, then the index of set of all CPUs of database is returned.
+
+ @retval EFI_SAL_SUCCESS The Global ID for the calling CPU was returned.
+ @retval EFI_SAL_NO_INFORMATION The calling CPU is not in the database.
+
+**/
+SAL_RETURN_REGS
+EFIAPI
+EsalWhoAmI (
+ IN BOOLEAN IndexByEnabledCpu
+ )
+{
+ return EsalCall (
+ EFI_EXTENDED_SAL_MP_SERVICES_PROTOCOL_GUID_LO,
+ EFI_EXTENDED_SAL_MP_SERVICES_PROTOCOL_GUID_HI,
+ CurrentProcInfoFunctionId,
+ IndexByEnabledCpu,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0
+ );
+}
+
+/**
+ Wrapper for the EsalNumProcessors service of Extended SAL MP Services Class.
+
+ This function is a wrapper for the EsalNumProcessors service of Extended SAL
+ MP Services Class. See EsalNumProcessors of Extended SAL Specification.
+
+ @retval EFI_SAL_SUCCESS The information on the number of CPUs in the platform
+ was returned.
+
+**/
+SAL_RETURN_REGS
+EFIAPI
+EsalNumProcessors (
+ VOID
+ )
+{
+ return EsalCall (
+ EFI_EXTENDED_SAL_MP_SERVICES_PROTOCOL_GUID_LO,
+ EFI_EXTENDED_SAL_MP_SERVICES_PROTOCOL_GUID_HI,
+ NumProcessorsFunctionId,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0
+ );
+}
+
+/**
+ Wrapper for the EsalSetMinStateFnctionId service of Extended SAL MP Services Class.
+
+ This function is a wrapper for the EsalSetMinStateFnctionId service of Extended SAL
+ MP Services Class. See EsalSetMinStateFnctionId of Extended SAL Specification.
+
+ @param CpuGlobalId The Global ID for the CPU whose MINSTATE pointer is being set.
+ @param MinStatePointer The physical address of the MINSTATE buffer for the CPU
+ specified by CpuGlobalId.
+
+ @retval EFI_SAL_SUCCESS The MINSTATE pointer was set for the specified CPU.
+ @retval EFI_SAL_NO_INFORMATION The specified CPU is not in the database.
+
+**/
+SAL_RETURN_REGS
+EFIAPI
+EsalSetMinState (
+ IN UINT64 CpuGlobalId,
+ IN EFI_PHYSICAL_ADDRESS MinStatePointer
+ )
+{
+ return EsalCall (
+ EFI_EXTENDED_SAL_MP_SERVICES_PROTOCOL_GUID_LO,
+ EFI_EXTENDED_SAL_MP_SERVICES_PROTOCOL_GUID_HI,
+ SetMinStateFunctionId,
+ CpuGlobalId,
+ MinStatePointer,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0
+ );
+}
+
+/**
+ Wrapper for the EsalGetMinStateFunctionId service of Extended SAL MP Services Class.
+
+ This function is a wrapper for the EsalGetMinStateFunctionId service of Extended SAL
+ MP Services Class. See EsalGetMinStateFunctionId of Extended SAL Specification.
+
+ @param CpuGlobalId The Global ID for the CPU whose MINSTATE pointer is being retrieved.
+
+ @retval EFI_SAL_SUCCESS The MINSTATE pointer for the specified CPU was retrieved.
+ @retval EFI_SAL_NO_INFORMATION The specified CPU is not in the database.
+
+**/
+SAL_RETURN_REGS
+EFIAPI
+EsalGetMinState (
+ IN UINT64 CpuGlobalId
+ )
+{
+ return EsalCall (
+ EFI_EXTENDED_SAL_MP_SERVICES_PROTOCOL_GUID_LO,
+ EFI_EXTENDED_SAL_MP_SERVICES_PROTOCOL_GUID_HI,
+ GetMinStateFunctionId,
+ CpuGlobalId,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0
+ );
+}
+
+/**
+ Wrapper for the EsalMcsGetStateInfoFunctionId service of Extended SAL MCA Services Class.
+
+ This function is a wrapper for the EsalMcsGetStateInfoFunctionId service of Extended SAL
+ MCA Services Class. See EsalMcsGetStateInfoFunctionId of Extended SAL Specification.
+
+ @param CpuGlobalId The Global ID for the CPU whose MCA state buffer is being retrieved.
+ @param StateBufferPointer A pointer to the returned MCA state buffer.
+ @param RequiredStateBufferSize A pointer to the size, in bytes, of the returned MCA state buffer.
+
+ @retval EFI_SUCCESS MINSTATE successfully got and size calculated.
+ @retval EFI_SAL_NO_INFORMATION Fail to get MINSTATE.
+
+**/
+SAL_RETURN_REGS
+EFIAPI
+EsalMcaGetStateInfo (
+ IN UINT64 CpuGlobalId,
+ OUT EFI_PHYSICAL_ADDRESS *StateBufferPointer,
+ OUT UINT64 *RequiredStateBufferSize
+ )
+{
+ SAL_RETURN_REGS Regs;
+
+ Regs = EsalCall (
+ EFI_EXTENDED_SAL_MCA_SERVICES_PROTOCOL_GUID_LO,
+ EFI_EXTENDED_SAL_MCA_SERVICES_PROTOCOL_GUID_HI,
+ McaGetStateInfoFunctionId,
+ CpuGlobalId,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0
+ );
+
+ *StateBufferPointer = (EFI_PHYSICAL_ADDRESS) Regs.r9;
+ *RequiredStateBufferSize = (UINT64) Regs.r10;
+
+ return Regs;
+}
+
+/**
+ Wrapper for the EsalMcaRegisterCpuFunctionId service of Extended SAL MCA Services Class.
+
+ This function is a wrapper for the EsalMcaRegisterCpuFunctionId service of Extended SAL
+ MCA Services Class. See EsalMcaRegisterCpuFunctionId of Extended SAL Specification.
+
+ @param CpuGlobalId The Global ID for the CPU whose MCA state buffer is being set.
+ @param StateBufferPointer A pointer to the MCA state buffer.
+
+ @retval EFI_SAL_NO_INFORMATION Cannot get the processor info with the CpuId
+ @retval EFI_SUCCESS Save the processor's state info successfully
+
+**/
+SAL_RETURN_REGS
+EFIAPI
+EsalMcaRegisterCpu (
+ IN UINT64 CpuGlobalId,
+ IN EFI_PHYSICAL_ADDRESS StateBufferPointer
+ )
+{
+ return EsalCall (
+ EFI_EXTENDED_SAL_MCA_SERVICES_PROTOCOL_GUID_LO,
+ EFI_EXTENDED_SAL_MCA_SERVICES_PROTOCOL_GUID_HI,
+ McaRegisterCpuFunctionId,
+ CpuGlobalId,
+ StateBufferPointer,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0
+ );
+}
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