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DynamicTablesPkg: Adds X64 support for CPU SSDT generator

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Introduce support for generating ACPI CPU SSDT table
for the X64 architecture.

Creates processor objects based on configuration data.

Cc: Sami Mujawar <Sami.Mujawar@arm.com>
Cc: Pierre Gondois <pierre.gondois@arm.com>
Signed-off-by: Abdul Lateef Attar <AbdulLateef.Attar@amd.com>
This commit is contained in:
Abdul Lateef Attar 2024-11-15 08:12:58 +00:00 committed by pierregondois
parent e89ff68110
commit 5158b598f7
3 changed files with 152 additions and 1 deletions
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6
DynamicTablesPkg/DynamicTables.dsc.inc
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@ -74,8 +74,12 @@
# X64 specific
NULL|DynamicTablesPkg/Library/Acpi/X64/AcpiHpetLib/AcpiHpetLib.inf
NULL|DynamicTablesPkg/Library/Acpi/X64/AcpiMadtLib/AcpiMadtLib.inf
NULL|DynamicTablesPkg/Library/Acpi/X64/AcpiSsdtHpetLib/AcpiSsdtHpetLib.inf
NULL|DynamicTablesPkg/Library/Acpi/X64/AcpiWsmtLib/AcpiWsmtLib.inf
# AML Codegen
# Common
NULL|DynamicTablesPkg/Library/Acpi/Common/AcpiSsdtCpuTopologyLib/SsdtCpuTopologyLib.inf
# X64 specific
NULL|DynamicTablesPkg/Library/Acpi/X64/AcpiSsdtHpetLib/AcpiSsdtHpetLib.inf
}
[Components.ARM, Components.AARCH64]

3
DynamicTablesPkg/Library/Acpi/Common/AcpiSsdtCpuTopologyLib/SsdtCpuTopologyLib.inf
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@ -23,6 +23,9 @@
[Sources.ARM, Sources.AARCH64]
Arm/ArmSsdtCpuTopologyGenerator.c
[Sources.IA32, Sources.X64]
X64/X64SsdtCpuTopologyGenerator.c
[Packages.ARM, Packages.AARCH64]
ArmPlatformPkg/ArmPlatformPkg.dec

144
DynamicTablesPkg/Library/Acpi/Common/AcpiSsdtCpuTopologyLib/X64/X64SsdtCpuTopologyGenerator.c Normal file
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@ -0,0 +1,144 @@
/** @file
X64 SSDT Cpu Topology Table Generator Helpers.
Copyright (C) 2024 Advanced Micro Devices, Inc. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent
@par Reference(s):
- ACPI 6.3 Specification - January 2019 - s8.4 Declaring Processors
**/
#include <Library/BaseLib.h>
#include <Library/DebugLib.h>
// Module specific include files.
#include <AcpiTableGenerator.h>
#include <ConfigurationManagerObject.h>
#include <ConfigurationManagerHelper.h>
#include <Library/TableHelperLib.h>
#include <Library/AmlLib/AmlLib.h>
#include <Protocol/ConfigurationManagerProtocol.h>
#include "SsdtCpuTopologyGenerator.h"
/** This macro expands to a function that retrieves the
Local APIC or X2APIC information from the Configuration Manager.
*/
GET_OBJECT_LIST (
EObjNameSpaceX64,
EX64ObjLocalApicX2ApicInfo,
CM_X64_LOCAL_APIC_X2APIC_INFO
);
/**
Create the processor hierarchy AML tree from arch specific CM objects.
@param [in] Generator The SSDT Cpu Topology generator.
@param [in] CfgMgrProtocol Pointer to the Configuration Manager
Protocol Interface.
@param [in] ScopeNode Scope node handle ('\_SB' scope).
@retval EFI_UNSUPPORTED Not supported
**/
EFI_STATUS
EFIAPI
CreateTopologyFromIntC (
IN ACPI_CPU_TOPOLOGY_GENERATOR *Generator,
IN CONST EDKII_CONFIGURATION_MANAGER_PROTOCOL *CONST CfgMgrProtocol,
IN AML_OBJECT_NODE_HANDLE ScopeNode
)
{
EFI_STATUS Status;
CM_X64_LOCAL_APIC_X2APIC_INFO *LocalApicX2ApicInfo;
UINT32 LocalApicX2ApicCount;
UINT32 Index;
AML_OBJECT_NODE_HANDLE CpuNode;
ASSERT (Generator != NULL);
ASSERT (CfgMgrProtocol != NULL);
ASSERT (ScopeNode != NULL);
LocalApicX2ApicCount = 0;
Status = GetEX64ObjLocalApicX2ApicInfo (
CfgMgrProtocol,
CM_NULL_TOKEN,
&LocalApicX2ApicInfo,
&LocalApicX2ApicCount
);
if (EFI_ERROR (Status)) {
ASSERT_EFI_ERROR (Status);
return Status;
}
/// for each processor object, create an AML node.
for (Index = 0; Index < LocalApicX2ApicCount; Index++) {
Status = CreateAmlCpu (
Generator,
ScopeNode,
LocalApicX2ApicInfo[Index].AcpiProcessorUid,
Index,
&CpuNode
);
if (EFI_ERROR (Status)) {
ASSERT_EFI_ERROR (Status);
break;
}
}
return Status;
}
/** Add arch specific information to a CPU node in the asl description.
@param [in] Generator The SSDT Cpu Topology generator.
@param [in] CfgMgrProtocol Pointer to the Configuration Manager
Protocol Interface.
@param [in] AcpiIdObjectToken AcpiIdObjectToken identifying the CPU to fetch the
other fields from.
@param [in] CpuName Value used to generate the CPU node name.
@param [out] CpuNode CPU Node to which the ET device node is
attached.
@retval EFI_UNSUPPORTED Not supported
**/
EFI_STATUS
EFIAPI
AddArchAmlCpuInfo (
IN ACPI_CPU_TOPOLOGY_GENERATOR *Generator,
IN CONST EDKII_CONFIGURATION_MANAGER_PROTOCOL *CONST CfgMgrProtocol,
IN CM_OBJECT_TOKEN AcpiIdObjectToken,
IN UINT32 CpuName,
OUT AML_OBJECT_NODE_HANDLE *CpuNode
)
{
return EFI_UNSUPPORTED;
}
/** Get generic interrupt information from arch specific CM objects.
@param [in] CfgMgrProtocol Pointer to the Configuration Manager
Protocol Interface.
@param [in] AcpiIdObjectToken AcpiIdObjectToken identifying the CPU to fetch the
other fields from.
@param [out] AcpiProcessorUid AcpiProcessorUid of the CPU identified by
the AcpiIdObjectToken.
@param [out] CpcToken CpcToken of the CPU identified by
the AcpiIdObjectToken.
@param [out] PsdToken PsdToken of the CPU identified by
the AcpiIdObjectToken.
@retval EFI_UNSUPPORTED Not supported
**/
EFI_STATUS
EFIAPI
GetIntCInfo (
IN CONST EDKII_CONFIGURATION_MANAGER_PROTOCOL *CONST CfgMgrProtocol,
IN CM_OBJECT_TOKEN AcpiIdObjectToken,
OUT UINT32 *AcpiProcessorUid,
OUT CM_OBJECT_TOKEN *CpcToken,
OUT CM_OBJECT_TOKEN *PsdToken
)
{
return EFI_UNSUPPORTED;
}