From: "Jeff Brasen via groups.io" <jbrasen=nvidia.com@groups.io>
To: <devel@edk2.groups.io>
Cc: <Alexei.Fedorov@arm.com>, <pierre.gondois@arm.com>,
<Sami.Mujawar@arm.com>, <swatisrik@nvidia.com>,
<ashishsingha@nvidia.com>, Jeff Brasen <jbrasen@nvidia.com>
Subject: [edk2-devel] [PATCH v4 1/4] DynamicTablesPkg: Add ThermalZone CodeGen function
Date: Mon, 18 Sep 2023 15:46:57 +0000 [thread overview]
Message-ID: <851d0aee4d60a0a2a1b8dbe00a77cf53167e11fb.1695049337.git.jbrasen@nvidia.com> (raw)
In-Reply-To: <cover.1695049337.git.jbrasen@nvidia.com>
Add API to generate a ThermalZone object to AmlLib.
Signed-off-by: Jeff Brasen <jbrasen@nvidia.com>
---
.../Include/Library/AmlLib/AmlLib.h | 28 +++++
.../Common/AmlLib/CodeGen/AmlCodeGen.c | 116 ++++++++++++++++++
2 files changed, 144 insertions(+)
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
--
2.25.1
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next prev parent reply other threads:[~2023-09-18 15:47 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-18 15:46 [edk2-devel] [PATCH v4 0/4] Add support for generating ACPI ThermalZones Jeff Brasen via groups.io
2023-09-18 15:46 ` Jeff Brasen via groups.io [this message]
2023-09-18 15:46 ` [edk2-devel] [PATCH v4 2/4] DynamicTablesPkg: Add support for simple method invocation Jeff Brasen via groups.io
2023-09-21 16:49 ` Sami Mujawar
2023-09-21 17:38 ` Jeff Brasen via groups.io
2023-09-21 20:07 ` Sami Mujawar
2023-09-21 20:48 ` Jeff Brasen via groups.io
2023-09-23 4:22 ` Attar, AbdulLateef (Abdul Lateef) via groups.io
2023-09-27 15:07 ` PierreGondois
2023-09-18 15:46 ` [edk2-devel] [PATCH v4 3/4] DynamicTablesPkg: Add support to add Strings to package Jeff Brasen via groups.io
2023-09-21 16:49 ` Sami Mujawar
2023-09-21 16:52 ` Jeff Brasen via groups.io
2023-09-18 15:47 ` [edk2-devel] [PATCH v4 4/4] DynamicTablesPkg: Add Aml NameUnicodeString API Jeff Brasen via groups.io
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