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/** @file
CPU Register Table Library definitions.
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.
**/
#ifndef _REGISTER_CPU_FEATURES_H_
#define _REGISTER_CPU_FEATURES_H_
#include <Library/BaseLib.h>
#include <Library/DebugLib.h>
#include <Library/PcdLib.h>
#include <Library/RegisterCpuFeaturesLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/SynchronizationLib.h>
#include <Library/IoLib.h>
#include <AcpiCpuData.h>
#define CPU_FEATURE_ENTRY_SIGNATURE SIGNATURE_32 ('C', 'F', 'E', 'S')
#define CPU_FEATURE_NAME_SIZE 128
typedef struct {
REGISTER_CPU_FEATURE_INFORMATION CpuInfo;
UINT8 *FeaturesSupportedMask;
LIST_ENTRY OrderList;
} CPU_FEATURES_INIT_ORDER;
typedef struct {
UINT32 Signature;
LIST_ENTRY Link;
UINT8 *FeatureMask;
CHAR8 *FeatureName;
CPU_FEATURE_GET_CONFIG_DATA GetConfigDataFunc;
CPU_FEATURE_SUPPORT SupportFunc;
CPU_FEATURE_INITIALIZE InitializeFunc;
UINT8 *BeforeFeatureBitMask;
UINT8 *AfterFeatureBitMask;
VOID *ConfigData;
BOOLEAN BeforeAll;
BOOLEAN AfterAll;
} CPU_FEATURES_ENTRY;
typedef struct {
UINTN FeaturesCount;
UINT32 BitMaskSize;
SPIN_LOCK MsrLock;
SPIN_LOCK MemoryMappedLock;
LIST_ENTRY FeatureList;
CPU_FEATURES_INIT_ORDER *InitOrder;
UINT8 *SupportPcds;
UINT8 *CapabilityPcds;
UINT8 *ConfigurationPcds;
UINT8 *SettingPcds;
CPU_REGISTER_TABLE *RegisterTable;
CPU_REGISTER_TABLE *PreSmmRegisterTable;
UINTN BspNumber;
} CPU_FEATURES_DATA;
#define CPU_FEATURE_ENTRY_FROM_LINK(a) \
CR ( \
(a), \
CPU_FEATURES_ENTRY, \
Link, \
CPU_FEATURE_ENTRY_SIGNATURE \
)
/**
Worker function to get CPU_FEATURES_DATA pointer.
@return Pointer to CPU_FEATURES_DATA.
**/
CPU_FEATURES_DATA *
GetCpuFeaturesData (
VOID
);
/**
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
);
/**
Allocates ACPI NVS memory to save ACPI_CPU_DATA.
@return Pointer to allocated ACPI_CPU_DATA.
**/
ACPI_CPU_DATA *
AllocateAcpiCpuData (
VOID
);
/**
Worker function to return processor index.
@return The processor index.
**/
UINTN
GetProcessorIndex (
VOID
);
/**
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
);
/**
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
);
/**
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
);
/**
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
);
/**
Function that uses DEBUG() macros to display the contents of a a CPU feature bit mask.
@param[in] FeatureMask A pointer to the CPU feature bit mask.
**/
VOID
DumpCpuFeatureMask (
IN UINT8 *FeatureMask
);
/**
Dump CPU feature name or CPU feature bit mask.
@param[in] CpuFeature Pointer to CPU_FEATURES_ENTRY
**/
VOID
DumpCpuFeature (
IN CPU_FEATURES_ENTRY *CpuFeature
);
#endif
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