/** @file
This library implements the Extended SAL Library Class for use in boot services and runtime.
Copyright (c) 2006 - 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 <Guid/EventGroup.h>
#include <Library/ExtendedSalLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/UefiRuntimeServicesTableLib.h>
#include <Library/UefiRuntimeLib.h>
#include <Library/DebugLib.h>
/**
Stores the virtual plabel of ESAL entrypoint.
This assembly function stores the virtual plabel of ESAL entrypoint
where GetEsalEntryPoint() can easily retrieve.
@param EntryPoint Virtual address of ESAL entrypoint
@param Gp Virtual GP of ESAL entrypoint
@return r8 = EFI_SAL_SUCCESS
**/
SAL_RETURN_REGS
EFIAPI
SetEsalVirtualEntryPoint (
IN UINT64 EntryPoint,
IN UINT64 Gp
);
/**
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;
EFI_EVENT mEfiVirtualNotifyEvent;
/**
Notification function of EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE to set virtual plabel of
ESAL entrypoint.
This is a notification function registered on EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE event.
It converts physical plabel of ESAL entrypoint to virtual plabel and stores it where
GetEsalEntryPoint() can easily retrieve.
@param Event Event whose notification function is being invoked.
@param Context Pointer to the notification function's context
**/
VOID
EFIAPI
ExtendedSalVirtualNotifyEvent (
IN EFI_EVENT Event,
IN VOID *Context
)
{
UINT64 PhysicalEntryPoint;
PhysicalEntryPoint = mPlabel.EntryPoint;
gRT->ConvertPointer (0x0, (VOID **) &mPlabel.EntryPoint);
mPlabel.GP += mPlabel.EntryPoint - PhysicalEntryPoint;
SetEsalVirtualEntryPoint (mPlabel.EntryPoint, mPlabel.GP);
}
/**
Gets 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.
@retval EFI_SUCCESS Plable of ESAL entrypoint successfully stored.
**/
EFI_STATUS
DxeSalLibInitialize (
VOID
)
{
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;
}
/**
Constructor function to initializes physical plabel of ESAL entrypoint and register an event
for initialization of virtual plabel of ESAL entrypoint.
This is the library constructor function to call a function to initialize physical plabel of ESAL entrypoint
and to register notification function for
EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE, which sets virtual plabel of ESAL entrypoint.
@param ImageHandle The firmware allocated handle for the EFI image.
@param SystemTable A pointer to the EFI System Table.
@retval EFI_SUCCESS Notification function successfully registered.
**/
EFI_STATUS
EFIAPI
DxeRuntimeExtendedSalLibConstruct (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
//
// Register notify function for EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE
//
ASSERT (gBS != NULL);
DxeSalLibInitialize ();
Status = gBS->CreateEventEx (
EVT_NOTIFY_SIGNAL,
TPL_NOTIFY,
ExtendedSalVirtualNotifyEvent,
NULL,
&gEfiEventVirtualAddressChangeGuid,
&mEfiVirtualNotifyEvent
);
ASSERT_EFI_ERROR (Status);
return EFI_SUCCESS;
}
/**
Destructor function to close the event created by the library constructor
This is the library destructor function to close the event with type of
EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE, which is created by the library constructor.
@param ImageHandle The firmware allocated handle for the EFI image.
@param SystemTable A pointer to the EFI System Table.
@retval EFI_SUCCESS Event successfully closed.
**/
EFI_STATUS
EFIAPI
DxeRuntimeExtendedSalLibDeconstruct (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
//
// Close SetVirtualAddressMap () notify function
//
ASSERT (gBS != NULL);
Status = gBS->CloseEvent (mEfiVirtualNotifyEvent);
ASSERT_EFI_ERROR (Status);
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
);
}