diff options
Diffstat (limited to 'UefiCpuPkg/Library/RegisterCpuFeaturesLib/DxeRegisterCpuFeaturesLib.c')
| -rw-r--r-- | UefiCpuPkg/Library/RegisterCpuFeaturesLib/DxeRegisterCpuFeaturesLib.c | 266 |
1 files changed, 0 insertions, 266 deletions
diff --git a/UefiCpuPkg/Library/RegisterCpuFeaturesLib/DxeRegisterCpuFeaturesLib.c b/UefiCpuPkg/Library/RegisterCpuFeaturesLib/DxeRegisterCpuFeaturesLib.c deleted file mode 100644 index 902a339529..0000000000 --- a/UefiCpuPkg/Library/RegisterCpuFeaturesLib/DxeRegisterCpuFeaturesLib.c +++ /dev/null @@ -1,266 +0,0 @@ -/** @file
- CPU Register Table Library functions.
-
- Copyright (c) 2017, 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 <Library/UefiBootServicesTableLib.h>
-
-#include "RegisterCpuFeatures.h"
-
-CPU_FEATURES_DATA mCpuFeaturesData = {0};
-EFI_MP_SERVICES_PROTOCOL *mCpuFeaturesMpServices = NULL;
-
-/**
- Worker function to get CPU_FEATURES_DATA pointer.
-
- @return Pointer to CPU_FEATURES_DATA.
-**/
-CPU_FEATURES_DATA *
-GetCpuFeaturesData (
- VOID
- )
-{
- return &mCpuFeaturesData;
-}
-
-/**
- Worker function to get EFI_MP_SERVICES_PROTOCOL pointer.
-
- @return Pointer to EFI_MP_SERVICES_PROTOCOL.
-**/
-EFI_MP_SERVICES_PROTOCOL *
-GetMpProtocol (
- VOID
- )
-{
- EFI_STATUS Status;
-
- if (mCpuFeaturesMpServices == NULL) {
- //
- // Get MP Services Protocol
- //
- Status = gBS->LocateProtocol (
- &gEfiMpServiceProtocolGuid,
- NULL,
- (VOID **)&mCpuFeaturesMpServices
- );
- ASSERT_EFI_ERROR (Status);
- }
-
- ASSERT (mCpuFeaturesMpServices != NULL);
- return mCpuFeaturesMpServices;
-}
-
-/**
- Worker function to return processor index.
-
- @return The processor index.
-**/
-UINTN
-GetProcessorIndex (
- VOID
- )
-{
- EFI_STATUS Status;
- UINTN ProcessorIndex;
- EFI_MP_SERVICES_PROTOCOL *MpServices;
-
- MpServices = GetMpProtocol ();
- Status = MpServices->WhoAmI(MpServices, &ProcessorIndex);
- ASSERT_EFI_ERROR (Status);
- return ProcessorIndex;
-}
-
-/**
- Gets detailed MP-related information on the requested processor at the
- instant this call is made.
-
- @param[in] ProcessorNumber The handle number of processor.
- @param[out] ProcessorInfoBuffer A pointer to the buffer where information for
- the requested processor is deposited.
-
- @return Status of MpServices->GetProcessorInfo().
-**/
-EFI_STATUS
-GetProcessorInformation (
- IN UINTN ProcessorNumber,
- OUT EFI_PROCESSOR_INFORMATION *ProcessorInfoBuffer
- )
-{
- EFI_STATUS Status;
- EFI_MP_SERVICES_PROTOCOL *MpServices;
-
- MpServices = GetMpProtocol ();
- Status = MpServices->GetProcessorInfo (
- MpServices,
- ProcessorNumber,
- ProcessorInfoBuffer
- );
- return Status;
-}
-
-/**
- Worker function to execute a caller provided function on all enabled APs.
-
- @param[in] Procedure A pointer to the function to be run on
- enabled APs of the system.
-**/
-VOID
-StartupAPsWorker (
- IN EFI_AP_PROCEDURE Procedure
- )
-{
- EFI_STATUS Status;
- EFI_MP_SERVICES_PROTOCOL *MpServices;
-
- MpServices = GetMpProtocol ();
- //
- // Wakeup all APs
- //
- Status = MpServices->StartupAllAPs (
- MpServices,
- Procedure,
- FALSE,
- NULL,
- 0,
- NULL,
- NULL
- );
- ASSERT_EFI_ERROR (Status);
-}
-
-/**
- Worker function to switch the requested AP to be the BSP from that point onward.
-
- @param[in] ProcessorNumber The handle number of AP that is to become the new BSP.
-**/
-VOID
-SwitchNewBsp (
- IN UINTN ProcessorNumber
- )
-{
- EFI_STATUS Status;
- EFI_MP_SERVICES_PROTOCOL *MpServices;
-
- MpServices = GetMpProtocol ();
- //
- // Wakeup all APs
- //
- Status = MpServices->SwitchBSP (
- MpServices,
- ProcessorNumber,
- TRUE
- );
- ASSERT_EFI_ERROR (Status);
-}
-
-/**
- Worker function to retrieve the number of logical processor in the platform.
-
- @param[out] NumberOfCpus Pointer to the total number of logical
- processors in the system, including the BSP
- and disabled APs.
- @param[out] NumberOfEnabledProcessors Pointer to the number of enabled logical
- processors that exist in system, including
- the BSP.
-**/
-VOID
-GetNumberOfProcessor (
- OUT UINTN *NumberOfCpus,
- OUT UINTN *NumberOfEnabledProcessors
- )
-{
- EFI_STATUS Status;
- EFI_MP_SERVICES_PROTOCOL *MpServices;
-
- MpServices = GetMpProtocol ();
-
- //
- // Get the number of CPUs
- //
- Status = MpServices->GetNumberOfProcessors (
- MpServices,
- NumberOfCpus,
- NumberOfEnabledProcessors
- );
- ASSERT_EFI_ERROR (Status);
-}
-
-/**
- Allocates ACPI NVS memory to save ACPI_CPU_DATA.
-
- @return Pointer to allocated ACPI_CPU_DATA.
-**/
-ACPI_CPU_DATA *
-AllocateAcpiCpuData (
- VOID
- )
-{
- //
- // CpuS3DataDxe will do it.
- //
- ASSERT (FALSE);
- return NULL;
-}
-
-/**
- Enlarges CPU register table for each processor.
-
- @param[in, out] RegisterTable Pointer processor's CPU register table
-**/
-VOID
-EnlargeRegisterTable (
- IN OUT CPU_REGISTER_TABLE *RegisterTable
- )
-{
- EFI_STATUS Status;
- EFI_PHYSICAL_ADDRESS Address;
- UINTN AllocatePages;
-
- Address = BASE_4GB - 1;
- AllocatePages = RegisterTable->AllocatedSize / EFI_PAGE_SIZE;
- Status = gBS->AllocatePages (
- AllocateMaxAddress,
- EfiACPIMemoryNVS,
- AllocatePages + 1,
- &Address
- );
- ASSERT_EFI_ERROR (Status);
-
- //
- // If there are records existing in the register table, then copy its contents
- // to new region and free the old one.
- //
- if (RegisterTable->AllocatedSize > 0) {
- CopyMem (
- (VOID *) (UINTN) Address,
- (VOID *) (UINTN) RegisterTable->RegisterTableEntry,
- RegisterTable->AllocatedSize
- );
- //
- // RegisterTableEntry is allocated by gBS->AllocatePages() service.
- // So, gBS->FreePages() service is used to free it.
- //
- gBS->FreePages (
- RegisterTable->RegisterTableEntry,
- AllocatePages
- );
- }
-
- //
- // Adjust the allocated size and register table base address.
- //
- RegisterTable->AllocatedSize += EFI_PAGE_SIZE;
- RegisterTable->RegisterTableEntry = Address;
-}
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