diff --git a/DynamicTablesPkg/Include/Library/AmlLib/AmlLib.h b/DynamicTablesPkg/Include/Library/AmlLib/AmlLib.h index 9210c50915..d201ae9499 100644 --- a/DynamicTablesPkg/Include/Library/AmlLib/AmlLib.h +++ b/DynamicTablesPkg/Include/Library/AmlLib/AmlLib.h @@ -1038,6 +1038,34 @@ AmlCodeGenDevice ( OUT AML_OBJECT_NODE_HANDLE *NewObjectNode OPTIONAL ); +/** AML code generation for a ThermalZone object node. + + AmlCodeGenThermalZone ("TZ00", ParentNode, NewObjectNode) is + equivalent of the following ASL code: + ThermalZone(TZ00) {} + + @ingroup CodeGenApis + + @param [in] NameString The new ThermalZone's name. + Must be a NULL-terminated ASL NameString + e.g.: "DEV0", "DV15.DEV0", etc. + The input string is copied. + @param [in] ParentNode If provided, set ParentNode as the parent + of the node created. + @param [out] NewObjectNode If success, contains the created node. + + @retval EFI_SUCCESS Success. + @retval EFI_INVALID_PARAMETER Invalid parameter. + @retval EFI_OUT_OF_RESOURCES Failed to allocate memory. +**/ +EFI_STATUS +EFIAPI +AmlCodeGenThermalZone ( + IN CONST CHAR8 *NameString, + IN AML_NODE_HANDLE ParentNode OPTIONAL, + OUT AML_OBJECT_NODE_HANDLE *NewObjectNode OPTIONAL + ); + /** AML code generation for a Scope object node. AmlCodeGenScope ("_SB", ParentNode, NewObjectNode) is diff --git a/DynamicTablesPkg/Library/Common/AmlLib/CodeGen/AmlCodeGen.c b/DynamicTablesPkg/Library/Common/AmlLib/CodeGen/AmlCodeGen.c index 0b223379fa..88537b7e2d 100644 --- a/DynamicTablesPkg/Library/Common/AmlLib/CodeGen/AmlCodeGen.c +++ b/DynamicTablesPkg/Library/Common/AmlLib/CodeGen/AmlCodeGen.c @@ -1218,6 +1218,122 @@ error_handler1: return Status; } +/** AML code generation for a ThermalZone object node. + + AmlCodeGenThermalZone ("TZ00", ParentNode, NewObjectNode) is + equivalent of the following ASL code: + ThermalZone(TZ00) {} + + @ingroup CodeGenApis + + @param [in] NameString The new ThermalZone's name. + Must be a NULL-terminated ASL NameString + e.g.: "DEV0", "DV15.DEV0", etc. + The input string is copied. + @param [in] ParentNode If provided, set ParentNode as the parent + of the node created. + @param [out] NewObjectNode If success, contains the created node. + + @retval EFI_SUCCESS Success. + @retval EFI_INVALID_PARAMETER Invalid parameter. + @retval EFI_OUT_OF_RESOURCES Failed to allocate memory. +**/ +EFI_STATUS +EFIAPI +AmlCodeGenThermalZone ( + IN CONST CHAR8 *NameString, + IN AML_NODE_HANDLE ParentNode OPTIONAL, + OUT AML_OBJECT_NODE_HANDLE *NewObjectNode OPTIONAL + ) +{ + EFI_STATUS Status; + AML_OBJECT_NODE *ObjectNode; + AML_DATA_NODE *DataNode; + CHAR8 *AmlNameString; + UINT32 AmlNameStringSize; + + if ((NameString == NULL) || + ((ParentNode == NULL) && (NewObjectNode == NULL))) + { + ASSERT (0); + return EFI_INVALID_PARAMETER; + } + + ObjectNode = NULL; + DataNode = NULL; + AmlNameString = NULL; + + Status = ConvertAslNameToAmlName (NameString, &AmlNameString); + if (EFI_ERROR (Status)) { + ASSERT (0); + return Status; + } + + Status = AmlGetNameStringSize (AmlNameString, &AmlNameStringSize); + if (EFI_ERROR (Status)) { + ASSERT (0); + goto error_handler1; + } + + Status = AmlCreateObjectNode ( + AmlGetByteEncodingByOpCode (AML_EXT_OP, AML_EXT_THERMAL_ZONE_OP), + AmlNameStringSize + AmlComputePkgLengthWidth (AmlNameStringSize), + &ObjectNode + ); + if (EFI_ERROR (Status)) { + ASSERT (0); + goto error_handler1; + } + + Status = AmlCreateDataNode ( + EAmlNodeDataTypeNameString, + (UINT8 *)AmlNameString, + AmlNameStringSize, + &DataNode + ); + if (EFI_ERROR (Status)) { + ASSERT (0); + goto error_handler2; + } + + Status = AmlSetFixedArgument ( + ObjectNode, + EAmlParseIndexTerm0, + (AML_NODE_HEADER *)DataNode + ); + if (EFI_ERROR (Status)) { + ASSERT (0); + AmlDeleteTree ((AML_NODE_HEADER *)DataNode); + goto error_handler2; + } + + Status = LinkNode ( + ObjectNode, + ParentNode, + NewObjectNode + ); + if (EFI_ERROR (Status)) { + ASSERT (0); + goto error_handler2; + } + + // Free AmlNameString before returning as it is copied + // in the call to AmlCreateDataNode(). + goto error_handler1; + +error_handler2: + if (ObjectNode != NULL) { + AmlDeleteTree ((AML_NODE_HEADER *)ObjectNode); + } + +error_handler1: + if (AmlNameString != NULL) { + FreePool (AmlNameString); + } + + return Status; +} + /** AML code generation for a Scope object node. AmlCodeGenScope ("_SB", ParentNode, NewObjectNode) is