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DynamicTablesPkg: AML Code generation to add _CPC entries
_CPC entries can describe CPU performance information. The object is described in ACPI 6.4 s8.4.7.1. "_CPC (Continuous Performance Control)". Add AmlCreateCpcNode() helper function to add _CPC entries to an existing CPU object. Signed-off-by: Jeff Brasen <jbrasen@nvidia.com> Reviewed-by: Pierre Gondois <pierre.gondois@arm.com> Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
This commit is contained in:
Jeff Brasen
mergify[bot]
parent
09c90532e7
commit
58350c0055
@ -36,6 +36,7 @@
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@}
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@}
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*/
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*/
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#include <AmlCpcInfo.h>
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#include <IndustryStandard/Acpi.h>
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#include <IndustryStandard/Acpi.h>
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#ifndef AML_HANDLE
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#ifndef AML_HANDLE
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@ -1336,6 +1337,59 @@ AmlAddNameIntegerPackage (
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IN AML_OBJECT_NODE_HANDLE PackageNode
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IN AML_OBJECT_NODE_HANDLE PackageNode
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);
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);
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/** Create a _CPC node.
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Creates and optionally adds the following node
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Name(_CPC, Package()
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{
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NumEntries, // Integer
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Revision, // Integer
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HighestPerformance, // Integer or Buffer (Resource Descriptor)
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NominalPerformance, // Integer or Buffer (Resource Descriptor)
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LowestNonlinearPerformance, // Integer or Buffer (Resource Descriptor)
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LowestPerformance, // Integer or Buffer (Resource Descriptor)
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GuaranteedPerformanceRegister, // Buffer (Resource Descriptor)
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DesiredPerformanceRegister , // Buffer (Resource Descriptor)
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MinimumPerformanceRegister , // Buffer (Resource Descriptor)
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MaximumPerformanceRegister , // Buffer (Resource Descriptor)
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PerformanceReductionToleranceRegister, // Buffer (Resource Descriptor)
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TimeWindowRegister, // Buffer (Resource Descriptor)
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CounterWraparoundTime, // Integer or Buffer (Resource Descriptor)
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ReferencePerformanceCounterRegister, // Buffer (Resource Descriptor)
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DeliveredPerformanceCounterRegister, // Buffer (Resource Descriptor)
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PerformanceLimitedRegister, // Buffer (Resource Descriptor)
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CPPCEnableRegister // Buffer (Resource Descriptor)
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AutonomousSelectionEnable, // Integer or Buffer (Resource Descriptor)
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AutonomousActivityWindowRegister, // Buffer (Resource Descriptor)
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EnergyPerformancePreferenceRegister, // Buffer (Resource Descriptor)
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ReferencePerformance // Integer or Buffer (Resource Descriptor)
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LowestFrequency, // Integer or Buffer (Resource Descriptor)
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NominalFrequency // Integer or Buffer (Resource Descriptor)
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})
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If resource buffer is NULL then integer will be used.
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Cf. ACPI 6.4, s8.4.7.1 _CPC (Continuous Performance Control)
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@ingroup CodeGenApis
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@param [in] CpcInfo CpcInfo object
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@param [in] ParentNode If provided, set ParentNode as the parent
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of the node created.
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@param [out] NewCpcNode If success and provided, contains the created node.
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@retval EFI_SUCCESS The function completed successfully.
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@retval EFI_INVALID_PARAMETER Invalid parameter.
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@retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
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**/
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EFI_STATUS
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EFIAPI
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AmlCreateCpcNode (
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IN AML_CPC_INFO *CpcInfo,
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IN AML_NODE_HANDLE ParentNode OPTIONAL,
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OUT AML_OBJECT_NODE_HANDLE *NewCpcNode OPTIONAL
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);
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// DEPRECATED APIS
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// DEPRECATED APIS
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#ifndef DISABLE_NEW_DEPRECATED_INTERFACES
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#ifndef DISABLE_NEW_DEPRECATED_INTERFACES
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@ -11,6 +11,7 @@
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#include <AcpiTableGenerator.h>
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#include <AcpiTableGenerator.h>
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#include <AmlCoreInterface.h>
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#include <AmlCoreInterface.h>
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#include <AmlCpcInfo.h>
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#include <AmlEncoding/Aml.h>
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#include <AmlEncoding/Aml.h>
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#include <Api/AmlApiHelper.h>
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#include <Api/AmlApiHelper.h>
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#include <CodeGen/AmlResourceDataCodeGen.h>
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#include <CodeGen/AmlResourceDataCodeGen.h>
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@ -2850,3 +2851,477 @@ error_handler:
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return Status;
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return Status;
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}
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}
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/** Adds a register to the package
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@ingroup CodeGenApis
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@param [in] Register If provided, register that will be added to package.
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otherwise NULL register will be added
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@param [in] PackageNode Package to add value to
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@retval EFI_SUCCESS The function completed successfully.
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@retval EFI_INVALID_PARAMETER Invalid parameter.
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@retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
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**/
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STATIC
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EFI_STATUS
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EFIAPI
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AmlAddRegisterToPackage (
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IN EFI_ACPI_6_4_GENERIC_ADDRESS_STRUCTURE *Register OPTIONAL,
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IN AML_OBJECT_NODE_HANDLE PackageNode
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)
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{
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EFI_STATUS Status;
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AML_DATA_NODE_HANDLE RdNode;
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AML_OBJECT_NODE_HANDLE ResourceTemplateNode;
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RdNode = NULL;
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Status = AmlCodeGenResourceTemplate (&ResourceTemplateNode);
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if (EFI_ERROR (Status)) {
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ASSERT_EFI_ERROR (Status);
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return Status;
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}
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if (Register != NULL) {
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Status = AmlCodeGenRdRegister (
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Register->AddressSpaceId,
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Register->RegisterBitWidth,
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Register->RegisterBitOffset,
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Register->Address,
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Register->AccessSize,
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NULL,
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&RdNode
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);
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} else {
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Status = AmlCodeGenRdRegister (
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EFI_ACPI_6_4_SYSTEM_MEMORY,
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0,
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0,
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0,
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0,
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NULL,
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&RdNode
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);
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}
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if (EFI_ERROR (Status)) {
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ASSERT_EFI_ERROR (Status);
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goto error_handler;
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}
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Status = AmlAppendRdNode (ResourceTemplateNode, RdNode);
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if (EFI_ERROR (Status)) {
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ASSERT_EFI_ERROR (Status);
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goto error_handler;
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}
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RdNode = NULL;
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Status = AmlVarListAddTail (
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(AML_NODE_HANDLE)PackageNode,
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(AML_NODE_HANDLE)ResourceTemplateNode
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);
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if (EFI_ERROR (Status)) {
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ASSERT_EFI_ERROR (Status);
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goto error_handler;
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}
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return Status;
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error_handler:
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if (RdNode != NULL) {
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AmlDeleteTree ((AML_NODE_HANDLE)RdNode);
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}
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if (ResourceTemplateNode != NULL) {
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AmlDeleteTree ((AML_NODE_HANDLE)ResourceTemplateNode);
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}
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return Status;
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}
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/** Utility function to check if generic address points to NULL
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@param [in] Address Pointer to the Generic address
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@retval TRUE Address is system memory with an Address of 0.
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@retval FALSE Address does not point to NULL.
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**/
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STATIC
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BOOLEAN
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EFIAPI
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IsNullGenericAddress (
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IN EFI_ACPI_6_4_GENERIC_ADDRESS_STRUCTURE *Address
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)
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{
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if ((Address == NULL) ||
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((Address->AddressSpaceId == EFI_ACPI_6_4_SYSTEM_MEMORY) &&
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(Address->Address == 0x0)))
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{
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return TRUE;
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}
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return FALSE;
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}
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/** Adds an integer or register to the package
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@ingroup CodeGenApis
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@param [in] Register If provided, register that will be added to package
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@param [in] Integer If Register is NULL, integer that will be added to the package
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@param [in] PackageNode Package to add value to
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@retval EFI_SUCCESS The function completed successfully.
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@retval EFI_INVALID_PARAMETER Invalid parameter.
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@retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
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**/
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STATIC
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EFI_STATUS
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EFIAPI
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AmlAddRegisterOrIntegerToPackage (
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IN EFI_ACPI_6_4_GENERIC_ADDRESS_STRUCTURE *Register OPTIONAL,
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IN UINT32 Integer,
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IN AML_OBJECT_NODE_HANDLE PackageNode
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)
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{
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EFI_STATUS Status;
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AML_OBJECT_NODE_HANDLE IntegerNode;
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IntegerNode = NULL;
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if (!IsNullGenericAddress (Register)) {
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Status = AmlAddRegisterToPackage (Register, PackageNode);
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} else {
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Status = AmlCodeGenInteger (Integer, &IntegerNode);
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if (EFI_ERROR (Status)) {
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ASSERT_EFI_ERROR (Status);
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return Status;
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}
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Status = AmlVarListAddTail (
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(AML_NODE_HANDLE)PackageNode,
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(AML_NODE_HANDLE)IntegerNode
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);
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}
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if (EFI_ERROR (Status)) {
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ASSERT_EFI_ERROR (Status);
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if (IntegerNode != NULL) {
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AmlDeleteTree ((AML_NODE_HANDLE)IntegerNode);
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}
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}
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return Status;
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}
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/** Create a _CPC node.
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Creates and optionally adds the following node
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Name(_CPC, Package()
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{
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NumEntries, // Integer
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Revision, // Integer
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HighestPerformance, // Integer or Buffer (Resource Descriptor)
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NominalPerformance, // Integer or Buffer (Resource Descriptor)
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LowestNonlinearPerformance, // Integer or Buffer (Resource Descriptor)
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LowestPerformance, // Integer or Buffer (Resource Descriptor)
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GuaranteedPerformanceRegister, // Buffer (Resource Descriptor)
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DesiredPerformanceRegister , // Buffer (Resource Descriptor)
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MinimumPerformanceRegister , // Buffer (Resource Descriptor)
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MaximumPerformanceRegister , // Buffer (Resource Descriptor)
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PerformanceReductionToleranceRegister, // Buffer (Resource Descriptor)
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TimeWindowRegister, // Buffer (Resource Descriptor)
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CounterWraparoundTime, // Integer or Buffer (Resource Descriptor)
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ReferencePerformanceCounterRegister, // Buffer (Resource Descriptor)
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DeliveredPerformanceCounterRegister, // Buffer (Resource Descriptor)
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PerformanceLimitedRegister, // Buffer (Resource Descriptor)
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CPPCEnableRegister // Buffer (Resource Descriptor)
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AutonomousSelectionEnable, // Integer or Buffer (Resource Descriptor)
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AutonomousActivityWindowRegister, // Buffer (Resource Descriptor)
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EnergyPerformancePreferenceRegister, // Buffer (Resource Descriptor)
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ReferencePerformance // Integer or Buffer (Resource Descriptor)
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LowestFrequency, // Integer or Buffer (Resource Descriptor)
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NominalFrequency // Integer or Buffer (Resource Descriptor)
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})
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If resource buffer is NULL then integer will be used.
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Cf. ACPI 6.4, s8.4.7.1 _CPC (Continuous Performance Control)
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@ingroup CodeGenApis
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@param [in] CpcInfo CpcInfo object
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@param [in] ParentNode If provided, set ParentNode as the parent
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of the node created.
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@param [out] NewCpcNode If success and provided, contains the created node.
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@retval EFI_SUCCESS The function completed successfully.
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@retval EFI_INVALID_PARAMETER Invalid parameter.
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@retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
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**/
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EFI_STATUS
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EFIAPI
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AmlCreateCpcNode (
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IN AML_CPC_INFO *CpcInfo,
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IN AML_NODE_HANDLE ParentNode OPTIONAL,
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OUT AML_OBJECT_NODE_HANDLE *NewCpcNode OPTIONAL
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)
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{
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EFI_STATUS Status;
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AML_OBJECT_NODE_HANDLE CpcNode;
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AML_OBJECT_NODE_HANDLE CpcPackage;
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UINT32 NumberOfEntries;
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if ((CpcInfo == NULL) ||
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((ParentNode == NULL) && (NewCpcNode == NULL)))
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{
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ASSERT (0);
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return EFI_INVALID_PARAMETER;
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}
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// Revision 3 per ACPI 6.4 specification
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if (CpcInfo->Revision == 3) {
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// NumEntries 23 per ACPI 6.4 specification
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NumberOfEntries = 23;
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} else {
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ASSERT (0);
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return EFI_INVALID_PARAMETER;
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}
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if ((IsNullGenericAddress (&CpcInfo->HighestPerformanceBuffer) &&
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(CpcInfo->HighestPerformanceInteger == 0)) ||
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(IsNullGenericAddress (&CpcInfo->NominalPerformanceBuffer) &&
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(CpcInfo->NominalPerformanceInteger == 0)) ||
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(IsNullGenericAddress (&CpcInfo->LowestNonlinearPerformanceBuffer) &&
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(CpcInfo->LowestNonlinearPerformanceInteger == 0)) ||
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(IsNullGenericAddress (&CpcInfo->LowestPerformanceBuffer) &&
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(CpcInfo->LowestPerformanceInteger == 0)) ||
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IsNullGenericAddress (&CpcInfo->DesiredPerformanceRegister) ||
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IsNullGenericAddress (&CpcInfo->ReferencePerformanceCounterRegister) ||
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IsNullGenericAddress (&CpcInfo->DeliveredPerformanceCounterRegister) ||
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IsNullGenericAddress (&CpcInfo->PerformanceLimitedRegister))
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|
{
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|
ASSERT (0);
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|
return EFI_INVALID_PARAMETER;
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|
}
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|
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CpcPackage = NULL;
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|
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|
Status = AmlCodeGenNamePackage ("_CPC", NULL, &CpcNode);
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if (EFI_ERROR (Status)) {
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|
ASSERT_EFI_ERROR (Status);
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|
return Status;
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|
}
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|
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|
// Get the Package object node of the _CPC node,
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|
// which is the 2nd fixed argument (i.e. index 1).
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|
CpcPackage = (AML_OBJECT_NODE_HANDLE)AmlGetFixedArgument (
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|
CpcNode,
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|
EAmlParseIndexTerm1
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|
);
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|
if ((CpcPackage == NULL) ||
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(AmlGetNodeType ((AML_NODE_HANDLE)CpcPackage) != EAmlNodeObject) ||
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(!AmlNodeHasOpCode (CpcPackage, AML_PACKAGE_OP, 0)))
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|
{
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|
ASSERT (0);
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|
Status = EFI_INVALID_PARAMETER;
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|
goto error_handler;
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|
}
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|
|
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|
Status = AmlAddRegisterOrIntegerToPackage (
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|
NULL,
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|
NumberOfEntries,
|
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|
CpcPackage
|
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|
);
|
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|
if (EFI_ERROR (Status)) {
|
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|
ASSERT_EFI_ERROR (Status);
|
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|
goto error_handler;
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|
}
|
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|
|
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|
Status = AmlAddRegisterOrIntegerToPackage (
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|
NULL,
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|
CpcInfo->Revision,
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|
CpcPackage
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|
);
|
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|
if (EFI_ERROR (Status)) {
|
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|
ASSERT_EFI_ERROR (Status);
|
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|
goto error_handler;
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|
}
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|
|
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|
Status = AmlAddRegisterOrIntegerToPackage (
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|
&CpcInfo->HighestPerformanceBuffer,
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|
CpcInfo->HighestPerformanceInteger,
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|
CpcPackage
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|
);
|
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|
if (EFI_ERROR (Status)) {
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|
ASSERT_EFI_ERROR (Status);
|
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|
goto error_handler;
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|
}
|
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|
|
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|
Status = AmlAddRegisterOrIntegerToPackage (
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&CpcInfo->NominalPerformanceBuffer,
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||||||
|
CpcInfo->NominalPerformanceInteger,
|
||||||
|
CpcPackage
|
||||||
|
);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
ASSERT_EFI_ERROR (Status);
|
||||||
|
goto error_handler;
|
||||||
|
}
|
||||||
|
|
||||||
|
Status = AmlAddRegisterOrIntegerToPackage (
|
||||||
|
&CpcInfo->LowestNonlinearPerformanceBuffer,
|
||||||
|
CpcInfo->LowestNonlinearPerformanceInteger,
|
||||||
|
CpcPackage
|
||||||
|
);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
ASSERT_EFI_ERROR (Status);
|
||||||
|
goto error_handler;
|
||||||
|
}
|
||||||
|
|
||||||
|
Status = AmlAddRegisterOrIntegerToPackage (
|
||||||
|
&CpcInfo->LowestPerformanceBuffer,
|
||||||
|
CpcInfo->LowestPerformanceInteger,
|
||||||
|
CpcPackage
|
||||||
|
);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
ASSERT_EFI_ERROR (Status);
|
||||||
|
goto error_handler;
|
||||||
|
}
|
||||||
|
|
||||||
|
Status = AmlAddRegisterToPackage (&CpcInfo->GuaranteedPerformanceRegister, CpcPackage);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
ASSERT_EFI_ERROR (Status);
|
||||||
|
goto error_handler;
|
||||||
|
}
|
||||||
|
|
||||||
|
Status = AmlAddRegisterToPackage (&CpcInfo->DesiredPerformanceRegister, CpcPackage);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
ASSERT_EFI_ERROR (Status);
|
||||||
|
goto error_handler;
|
||||||
|
}
|
||||||
|
|
||||||
|
Status = AmlAddRegisterToPackage (&CpcInfo->MinimumPerformanceRegister, CpcPackage);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
ASSERT_EFI_ERROR (Status);
|
||||||
|
goto error_handler;
|
||||||
|
}
|
||||||
|
|
||||||
|
Status = AmlAddRegisterToPackage (&CpcInfo->MaximumPerformanceRegister, CpcPackage);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
ASSERT_EFI_ERROR (Status);
|
||||||
|
goto error_handler;
|
||||||
|
}
|
||||||
|
|
||||||
|
Status = AmlAddRegisterToPackage (&CpcInfo->PerformanceReductionToleranceRegister, CpcPackage);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
ASSERT_EFI_ERROR (Status);
|
||||||
|
goto error_handler;
|
||||||
|
}
|
||||||
|
|
||||||
|
Status = AmlAddRegisterToPackage (&CpcInfo->TimeWindowRegister, CpcPackage);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
ASSERT_EFI_ERROR (Status);
|
||||||
|
goto error_handler;
|
||||||
|
}
|
||||||
|
|
||||||
|
Status = AmlAddRegisterOrIntegerToPackage (
|
||||||
|
&CpcInfo->CounterWraparoundTimeBuffer,
|
||||||
|
CpcInfo->CounterWraparoundTimeInteger,
|
||||||
|
CpcPackage
|
||||||
|
);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
ASSERT_EFI_ERROR (Status);
|
||||||
|
goto error_handler;
|
||||||
|
}
|
||||||
|
|
||||||
|
Status = AmlAddRegisterToPackage (&CpcInfo->ReferencePerformanceCounterRegister, CpcPackage);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
ASSERT_EFI_ERROR (Status);
|
||||||
|
goto error_handler;
|
||||||
|
}
|
||||||
|
|
||||||
|
Status = AmlAddRegisterToPackage (&CpcInfo->DeliveredPerformanceCounterRegister, CpcPackage);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
ASSERT_EFI_ERROR (Status);
|
||||||
|
goto error_handler;
|
||||||
|
}
|
||||||
|
|
||||||
|
Status = AmlAddRegisterToPackage (&CpcInfo->PerformanceLimitedRegister, CpcPackage);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
ASSERT_EFI_ERROR (Status);
|
||||||
|
goto error_handler;
|
||||||
|
}
|
||||||
|
|
||||||
|
Status = AmlAddRegisterToPackage (&CpcInfo->CPPCEnableRegister, CpcPackage);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
ASSERT_EFI_ERROR (Status);
|
||||||
|
goto error_handler;
|
||||||
|
}
|
||||||
|
|
||||||
|
Status = AmlAddRegisterOrIntegerToPackage (
|
||||||
|
&CpcInfo->AutonomousSelectionEnableBuffer,
|
||||||
|
CpcInfo->AutonomousSelectionEnableInteger,
|
||||||
|
CpcPackage
|
||||||
|
);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
ASSERT_EFI_ERROR (Status);
|
||||||
|
goto error_handler;
|
||||||
|
}
|
||||||
|
|
||||||
|
Status = AmlAddRegisterToPackage (&CpcInfo->AutonomousActivityWindowRegister, CpcPackage);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
ASSERT_EFI_ERROR (Status);
|
||||||
|
goto error_handler;
|
||||||
|
}
|
||||||
|
|
||||||
|
Status = AmlAddRegisterToPackage (&CpcInfo->EnergyPerformancePreferenceRegister, CpcPackage);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
ASSERT_EFI_ERROR (Status);
|
||||||
|
goto error_handler;
|
||||||
|
}
|
||||||
|
|
||||||
|
Status = AmlAddRegisterOrIntegerToPackage (
|
||||||
|
&CpcInfo->ReferencePerformanceBuffer,
|
||||||
|
CpcInfo->ReferencePerformanceInteger,
|
||||||
|
CpcPackage
|
||||||
|
);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
ASSERT_EFI_ERROR (Status);
|
||||||
|
goto error_handler;
|
||||||
|
}
|
||||||
|
|
||||||
|
Status = AmlAddRegisterOrIntegerToPackage (
|
||||||
|
&CpcInfo->LowestFrequencyBuffer,
|
||||||
|
CpcInfo->LowestFrequencyInteger,
|
||||||
|
CpcPackage
|
||||||
|
);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
ASSERT_EFI_ERROR (Status);
|
||||||
|
goto error_handler;
|
||||||
|
}
|
||||||
|
|
||||||
|
Status = AmlAddRegisterOrIntegerToPackage (
|
||||||
|
&CpcInfo->NominalFrequencyBuffer,
|
||||||
|
CpcInfo->NominalFrequencyInteger,
|
||||||
|
CpcPackage
|
||||||
|
);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
ASSERT_EFI_ERROR (Status);
|
||||||
|
goto error_handler;
|
||||||
|
}
|
||||||
|
|
||||||
|
Status = LinkNode (CpcNode, ParentNode, NewCpcNode);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
ASSERT_EFI_ERROR (Status);
|
||||||
|
goto error_handler;
|
||||||
|
}
|
||||||
|
|
||||||
|
return Status;
|
||||||
|
|
||||||
|
error_handler:
|
||||||
|
AmlDeleteTree ((AML_NODE_HANDLE)CpcNode);
|
||||||
|
return Status;
|
||||||
|
}
|
||||||
|
|||||||
Loading…
x
Reference in New Issue
Block a user