UefiCpuPkg/CpuFeatures: Change files format to DOS
Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Jeff Fan <jeff.fan@intel.com> Reviewed-by: Star Zeng <star.zeng@intel.com>
This commit is contained in:
Jeff Fan
@@ -1,266 +1,266 @@
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/** @file
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CPU Register Table Library functions.
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Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include <PiDxe.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include "RegisterCpuFeatures.h"
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CPU_FEATURES_DATA mCpuFeaturesData = {0};
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EFI_MP_SERVICES_PROTOCOL *mCpuFeaturesMpServices = NULL;
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/**
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Worker function to get CPU_FEATURES_DATA pointer.
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@return Pointer to CPU_FEATURES_DATA.
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**/
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CPU_FEATURES_DATA *
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GetCpuFeaturesData (
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VOID
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)
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{
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return &mCpuFeaturesData;
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}
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/**
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Worker function to get EFI_MP_SERVICES_PROTOCOL pointer.
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@return Pointer to EFI_MP_SERVICES_PROTOCOL.
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**/
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EFI_MP_SERVICES_PROTOCOL *
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GetMpProtocol (
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VOID
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)
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{
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EFI_STATUS Status;
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if (mCpuFeaturesMpServices == NULL) {
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//
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// Get MP Services Protocol
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//
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Status = gBS->LocateProtocol (
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&gEfiMpServiceProtocolGuid,
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NULL,
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(VOID **)&mCpuFeaturesMpServices
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);
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ASSERT_EFI_ERROR (Status);
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}
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ASSERT (mCpuFeaturesMpServices != NULL);
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return mCpuFeaturesMpServices;
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}
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/**
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Worker function to return processor index.
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@return The processor index.
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**/
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UINTN
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GetProcessorIndex (
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VOID
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)
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{
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EFI_STATUS Status;
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UINTN ProcessorIndex;
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EFI_MP_SERVICES_PROTOCOL *MpServices;
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MpServices = GetMpProtocol ();
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Status = MpServices->WhoAmI(MpServices, &ProcessorIndex);
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ASSERT_EFI_ERROR (Status);
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return ProcessorIndex;
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}
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/**
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Gets detailed MP-related information on the requested processor at the
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instant this call is made.
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@param[in] ProcessorNumber The handle number of processor.
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@param[out] ProcessorInfoBuffer A pointer to the buffer where information for
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the requested processor is deposited.
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@return Status of MpServices->GetProcessorInfo().
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**/
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EFI_STATUS
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GetProcessorInformation (
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IN UINTN ProcessorNumber,
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OUT EFI_PROCESSOR_INFORMATION *ProcessorInfoBuffer
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)
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{
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EFI_STATUS Status;
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EFI_MP_SERVICES_PROTOCOL *MpServices;
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MpServices = GetMpProtocol ();
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Status = MpServices->GetProcessorInfo (
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MpServices,
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ProcessorNumber,
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ProcessorInfoBuffer
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);
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return Status;
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}
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/**
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Worker function to execute a caller provided function on all enabled APs.
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@param[in] Procedure A pointer to the function to be run on
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enabled APs of the system.
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**/
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VOID
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StartupAPsWorker (
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IN EFI_AP_PROCEDURE Procedure
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)
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{
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EFI_STATUS Status;
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EFI_MP_SERVICES_PROTOCOL *MpServices;
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MpServices = GetMpProtocol ();
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//
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// Wakeup all APs
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//
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Status = MpServices->StartupAllAPs (
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MpServices,
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Procedure,
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FALSE,
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NULL,
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0,
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NULL,
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NULL
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);
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ASSERT_EFI_ERROR (Status);
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}
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/**
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Worker function to switch the requested AP to be the BSP from that point onward.
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@param[in] ProcessorNumber The handle number of AP that is to become the new BSP.
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**/
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VOID
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SwitchNewBsp (
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IN UINTN ProcessorNumber
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)
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{
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EFI_STATUS Status;
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EFI_MP_SERVICES_PROTOCOL *MpServices;
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MpServices = GetMpProtocol ();
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//
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// Wakeup all APs
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//
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Status = MpServices->SwitchBSP (
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MpServices,
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ProcessorNumber,
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TRUE
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);
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ASSERT_EFI_ERROR (Status);
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}
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/**
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Worker function to retrieve the number of logical processor in the platform.
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@param[out] NumberOfCpus Pointer to the total number of logical
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processors in the system, including the BSP
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and disabled APs.
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@param[out] NumberOfEnabledProcessors Pointer to the number of enabled logical
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processors that exist in system, including
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the BSP.
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**/
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VOID
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GetNumberOfProcessor (
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OUT UINTN *NumberOfCpus,
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OUT UINTN *NumberOfEnabledProcessors
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)
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{
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EFI_STATUS Status;
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EFI_MP_SERVICES_PROTOCOL *MpServices;
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MpServices = GetMpProtocol ();
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//
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// Get the number of CPUs
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//
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Status = MpServices->GetNumberOfProcessors (
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MpServices,
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NumberOfCpus,
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NumberOfEnabledProcessors
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);
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ASSERT_EFI_ERROR (Status);
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}
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/**
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Allocates ACPI NVS memory to save ACPI_CPU_DATA.
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@return Pointer to allocated ACPI_CPU_DATA.
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**/
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ACPI_CPU_DATA *
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AllocateAcpiCpuData (
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VOID
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)
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{
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//
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// CpuS3DataDxe will do it.
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//
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ASSERT (FALSE);
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return NULL;
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}
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/**
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Enlarges CPU register table for each processor.
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@param[in, out] RegisterTable Pointer processor's CPU register table
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**/
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VOID
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EnlargeRegisterTable (
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IN OUT CPU_REGISTER_TABLE *RegisterTable
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)
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{
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EFI_STATUS Status;
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EFI_PHYSICAL_ADDRESS Address;
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UINTN AllocatePages;
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Address = BASE_4GB - 1;
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AllocatePages = RegisterTable->AllocatedSize / EFI_PAGE_SIZE;
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Status = gBS->AllocatePages (
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AllocateMaxAddress,
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EfiACPIMemoryNVS,
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AllocatePages + 1,
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&Address
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);
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ASSERT_EFI_ERROR (Status);
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//
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// If there are records existing in the register table, then copy its contents
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// to new region and free the old one.
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//
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if (RegisterTable->AllocatedSize > 0) {
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CopyMem (
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(VOID *) (UINTN) Address,
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(VOID *) (UINTN) RegisterTable->RegisterTableEntry,
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RegisterTable->AllocatedSize
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);
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//
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// RegisterTableEntry is allocated by gBS->AllocatePages() service.
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// So, gBS->FreePages() service is used to free it.
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//
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gBS->FreePages (
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RegisterTable->RegisterTableEntry,
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AllocatePages
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);
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}
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//
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// Adjust the allocated size and register table base address.
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//
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RegisterTable->AllocatedSize += EFI_PAGE_SIZE;
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RegisterTable->RegisterTableEntry = Address;
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}
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/** @file
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CPU Register Table Library functions.
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Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include <PiDxe.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include "RegisterCpuFeatures.h"
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CPU_FEATURES_DATA mCpuFeaturesData = {0};
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EFI_MP_SERVICES_PROTOCOL *mCpuFeaturesMpServices = NULL;
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/**
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Worker function to get CPU_FEATURES_DATA pointer.
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@return Pointer to CPU_FEATURES_DATA.
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**/
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CPU_FEATURES_DATA *
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GetCpuFeaturesData (
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VOID
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)
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{
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return &mCpuFeaturesData;
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}
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/**
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Worker function to get EFI_MP_SERVICES_PROTOCOL pointer.
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@return Pointer to EFI_MP_SERVICES_PROTOCOL.
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**/
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EFI_MP_SERVICES_PROTOCOL *
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GetMpProtocol (
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VOID
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)
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{
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EFI_STATUS Status;
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if (mCpuFeaturesMpServices == NULL) {
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//
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// Get MP Services Protocol
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//
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Status = gBS->LocateProtocol (
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&gEfiMpServiceProtocolGuid,
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NULL,
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(VOID **)&mCpuFeaturesMpServices
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);
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ASSERT_EFI_ERROR (Status);
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}
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ASSERT (mCpuFeaturesMpServices != NULL);
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return mCpuFeaturesMpServices;
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}
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/**
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Worker function to return processor index.
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@return The processor index.
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**/
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UINTN
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GetProcessorIndex (
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VOID
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)
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{
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EFI_STATUS Status;
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UINTN ProcessorIndex;
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EFI_MP_SERVICES_PROTOCOL *MpServices;
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MpServices = GetMpProtocol ();
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Status = MpServices->WhoAmI(MpServices, &ProcessorIndex);
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ASSERT_EFI_ERROR (Status);
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return ProcessorIndex;
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}
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/**
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Gets detailed MP-related information on the requested processor at the
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instant this call is made.
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@param[in] ProcessorNumber The handle number of processor.
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@param[out] ProcessorInfoBuffer A pointer to the buffer where information for
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the requested processor is deposited.
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@return Status of MpServices->GetProcessorInfo().
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**/
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EFI_STATUS
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GetProcessorInformation (
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IN UINTN ProcessorNumber,
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OUT EFI_PROCESSOR_INFORMATION *ProcessorInfoBuffer
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)
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{
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EFI_STATUS Status;
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EFI_MP_SERVICES_PROTOCOL *MpServices;
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MpServices = GetMpProtocol ();
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Status = MpServices->GetProcessorInfo (
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MpServices,
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ProcessorNumber,
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ProcessorInfoBuffer
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);
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return Status;
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}
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/**
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Worker function to execute a caller provided function on all enabled APs.
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@param[in] Procedure A pointer to the function to be run on
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enabled APs of the system.
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**/
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VOID
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StartupAPsWorker (
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IN EFI_AP_PROCEDURE Procedure
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)
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{
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EFI_STATUS Status;
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EFI_MP_SERVICES_PROTOCOL *MpServices;
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MpServices = GetMpProtocol ();
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//
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// Wakeup all APs
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//
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Status = MpServices->StartupAllAPs (
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MpServices,
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Procedure,
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FALSE,
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NULL,
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0,
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NULL,
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NULL
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);
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ASSERT_EFI_ERROR (Status);
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}
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/**
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Worker function to switch the requested AP to be the BSP from that point onward.
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@param[in] ProcessorNumber The handle number of AP that is to become the new BSP.
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**/
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VOID
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SwitchNewBsp (
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IN UINTN ProcessorNumber
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)
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{
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EFI_STATUS Status;
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EFI_MP_SERVICES_PROTOCOL *MpServices;
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MpServices = GetMpProtocol ();
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//
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// Wakeup all APs
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//
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Status = MpServices->SwitchBSP (
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MpServices,
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ProcessorNumber,
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TRUE
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);
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ASSERT_EFI_ERROR (Status);
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}
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/**
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Worker function to retrieve the number of logical processor in the platform.
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@param[out] NumberOfCpus Pointer to the total number of logical
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processors in the system, including the BSP
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and disabled APs.
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@param[out] NumberOfEnabledProcessors Pointer to the number of enabled logical
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processors that exist in system, including
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the BSP.
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**/
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VOID
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GetNumberOfProcessor (
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OUT UINTN *NumberOfCpus,
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OUT UINTN *NumberOfEnabledProcessors
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)
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{
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EFI_STATUS Status;
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EFI_MP_SERVICES_PROTOCOL *MpServices;
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MpServices = GetMpProtocol ();
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//
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// Get the number of CPUs
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//
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Status = MpServices->GetNumberOfProcessors (
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MpServices,
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NumberOfCpus,
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NumberOfEnabledProcessors
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);
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ASSERT_EFI_ERROR (Status);
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}
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/**
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Allocates ACPI NVS memory to save ACPI_CPU_DATA.
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@return Pointer to allocated ACPI_CPU_DATA.
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**/
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ACPI_CPU_DATA *
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AllocateAcpiCpuData (
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VOID
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)
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{
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//
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// CpuS3DataDxe will do it.
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//
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ASSERT (FALSE);
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return NULL;
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}
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/**
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Enlarges CPU register table for each processor.
|
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@param[in, out] RegisterTable Pointer processor's CPU register table
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**/
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VOID
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EnlargeRegisterTable (
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IN OUT CPU_REGISTER_TABLE *RegisterTable
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)
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{
|
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EFI_STATUS Status;
|
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EFI_PHYSICAL_ADDRESS Address;
|
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UINTN AllocatePages;
|
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|
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Address = BASE_4GB - 1;
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AllocatePages = RegisterTable->AllocatedSize / EFI_PAGE_SIZE;
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Status = gBS->AllocatePages (
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AllocateMaxAddress,
|
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EfiACPIMemoryNVS,
|
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AllocatePages + 1,
|
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&Address
|
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);
|
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ASSERT_EFI_ERROR (Status);
|
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|
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//
|
||||
// If there are records existing in the register table, then copy its contents
|
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// to new region and free the old one.
|
||||
//
|
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if (RegisterTable->AllocatedSize > 0) {
|
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CopyMem (
|
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(VOID *) (UINTN) Address,
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(VOID *) (UINTN) RegisterTable->RegisterTableEntry,
|
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RegisterTable->AllocatedSize
|
||||
);
|
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//
|
||||
// RegisterTableEntry is allocated by gBS->AllocatePages() service.
|
||||
// So, gBS->FreePages() service is used to free it.
|
||||
//
|
||||
gBS->FreePages (
|
||||
RegisterTable->RegisterTableEntry,
|
||||
AllocatePages
|
||||
);
|
||||
}
|
||||
|
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//
|
||||
// Adjust the allocated size and register table base address.
|
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//
|
||||
RegisterTable->AllocatedSize += EFI_PAGE_SIZE;
|
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RegisterTable->RegisterTableEntry = Address;
|
||||
}
|
||||
|
||||
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