diff options
Diffstat (limited to 'DynamicTablesPkg')
| -rw-r--r-- | DynamicTablesPkg/Include/Library/AmlLib/AmlLib.h | 28 | ||||
| -rw-r--r-- | DynamicTablesPkg/Library/Common/AmlLib/CodeGen/AmlCodeGen.c | 56 |
2 files changed, 84 insertions, 0 deletions
diff --git a/DynamicTablesPkg/Include/Library/AmlLib/AmlLib.h b/DynamicTablesPkg/Include/Library/AmlLib/AmlLib.h index 183f565..8949cf4 100644 --- a/DynamicTablesPkg/Include/Library/AmlLib/AmlLib.h +++ b/DynamicTablesPkg/Include/Library/AmlLib/AmlLib.h @@ -863,6 +863,34 @@ AmlCodeGenNamePackage ( OUT AML_OBJECT_NODE_HANDLE *NewObjectNode OPTIONAL
);
+/** AML code generation for a Name object node, containing a ResourceTemplate.
+
+ AmlCodeGenNameResourceTemplate ("PRS0", ParentNode, NewObjectNode) is
+ equivalent of the following ASL code:
+ Name(PRS0, ResourceTemplate () {})
+
+ @ingroup CodeGenApis
+
+ @param [in] NameString The new variable 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
+AmlCodeGenNameResourceTemplate (
+ IN CONST CHAR8 *NameString,
+ IN AML_NODE_HANDLE ParentNode, OPTIONAL
+ OUT AML_OBJECT_NODE_HANDLE *NewObjectNode OPTIONAL
+ );
+
/** AML code generation for a Device object node.
AmlCodeGenDevice ("COM0", ParentNode, NewObjectNode) is
diff --git a/DynamicTablesPkg/Library/Common/AmlLib/CodeGen/AmlCodeGen.c b/DynamicTablesPkg/Library/Common/AmlLib/CodeGen/AmlCodeGen.c index 40095fe..778e3c5 100644 --- a/DynamicTablesPkg/Library/Common/AmlLib/CodeGen/AmlCodeGen.c +++ b/DynamicTablesPkg/Library/Common/AmlLib/CodeGen/AmlCodeGen.c @@ -812,6 +812,62 @@ AmlCodeGenNamePackage ( return Status;
}
+/** AML code generation for a Name object node, containing a ResourceTemplate.
+
+ AmlCodeGenNameResourceTemplate ("PRS0", ParentNode, NewObjectNode) is
+ equivalent of the following ASL code:
+ Name(PRS0, ResourceTemplate () {})
+
+ @param [in] NameString The new variable 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
+AmlCodeGenNameResourceTemplate (
+ IN CONST CHAR8 *NameString,
+ IN AML_NODE_HEADER *ParentNode, OPTIONAL
+ OUT AML_OBJECT_NODE **NewObjectNode OPTIONAL
+ )
+{
+ EFI_STATUS Status;
+ AML_OBJECT_NODE *ResourceTemplateNode;
+
+ if ((NameString == NULL) ||
+ ((ParentNode == NULL) && (NewObjectNode == NULL)))
+ {
+ ASSERT (0);
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Status = AmlCodeGenResourceTemplate (&ResourceTemplateNode);
+ if (EFI_ERROR (Status)) {
+ ASSERT (0);
+ return Status;
+ }
+
+ Status = AmlCodeGenName (
+ NameString,
+ ResourceTemplateNode,
+ ParentNode,
+ NewObjectNode
+ );
+ if (EFI_ERROR (Status)) {
+ ASSERT (0);
+ AmlDeleteTree ((AML_NODE_HEADER *)ResourceTemplateNode);
+ }
+
+ return Status;
+}
+
/** AML code generation for a Device object node.
AmlCodeGenDevice ("COM0", ParentNode, NewObjectNode) is
|