Adds an AmlAddIntegerToNamedPackage() API to generate AML code,
which adds an integer value to the package node.
Cc: Pierre Gondois <pierre.gond...@arm.com>
Cc: Sami Mujawar <sami.muja...@arm.com>
Signed-off-by: Abdul Lateef Attar <abdullateef.at...@amd.com>
---
.../Include/Library/AmlLib/AmlLib.h | 41 +++++++++++-
.../Common/AmlLib/CodeGen/AmlCodeGen.c | 67 +++++++++++++++++++
2 files changed, 107 insertions(+), 1 deletion(-)
diff --git a/DynamicTablesPkg/Include/Library/AmlLib/AmlLib.h
b/DynamicTablesPkg/Include/Library/AmlLib/AmlLib.h
index 82d5464084..4427ab68fa 100644
--- a/DynamicTablesPkg/Include/Library/AmlLib/AmlLib.h
+++ b/DynamicTablesPkg/Include/Library/AmlLib/AmlLib.h
@@ -2,7 +2,7 @@
AML Lib.
Copyright (c) 2019 - 2023, Arm Limited. All rights reserved.<BR>
- Copyright (C) 2023 Advanced Micro Devices, Inc. All rights reserved.<BR>
+ Copyright (C) 2023 - 2024, Advanced Micro Devices, Inc. All rights
reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
@@ -1743,6 +1743,45 @@ AmlAddNameStringToNamedPackage (
IN AML_OBJECT_NODE_HANDLE NamedNode
);
+/** Add an integer value to the named package node.
+
+ AmlCodeGenNamePackage ("_CID", NULL, &PackageNode);
+ AmlGetEisaIdFromString ("PNP0A03", &EisaId);
+ AmlAddIntegerToNamedPackage (EisaId, NameNode);
+ AmlGetEisaIdFromString ("PNP0A08", &EisaId);
+ AmlAddIntegerToNamedPackage (EisaId, NameNode);
+
+ equivalent of the following ASL code:
+ Name (_CID, Package (0x02) // _CID: Compatible ID
+ {
+ EisaId ("PNP0A03"),
+ EisaId ("PNP0A08")
+ })
+
+ The package is added at the tail of the list of the input package node
+ name:
+ Name ("NamePackageNode", Package () {
+ [Pre-existing package entries],
+ [Newly created integer entry]
+ })
+
+
+ @ingroup CodeGenApis
+
+ @param [in] Integer Integer value that need to be added to
package node.
+ @param [in, out] NameNode Package named node to add the object to.
+
+ @retval EFI_SUCCESS Success.
+ @retval EFI_INVALID_PARAMETER Invalid parameter.
+ @retval Others Error occurred during the operation.
+**/
+EFI_STATUS
+EFIAPI
+AmlAddIntegerToNamedPackage (
+ IN UINT32 Integer,
+ IN OUT AML_OBJECT_NODE_HANDLE NameNode
+ );
+
/** AML code generation to invoke/call another method.
This method is a subset implementation of MethodInvocation
diff --git a/DynamicTablesPkg/Library/Common/AmlLib/CodeGen/AmlCodeGen.c
b/DynamicTablesPkg/Library/Common/AmlLib/CodeGen/AmlCodeGen.c
index 22c2d598d0..89fa4e06f8 100644
--- a/DynamicTablesPkg/Library/Common/AmlLib/CodeGen/AmlCodeGen.c
+++ b/DynamicTablesPkg/Library/Common/AmlLib/CodeGen/AmlCodeGen.c
@@ -3871,6 +3871,73 @@ exit_handler:
return Status;
}
+/** Add an integer value to the named package node.
+
+ AmlCodeGenNamePackage ("_CID", NULL, &PackageNode);
+ AmlGetEisaIdFromString ("PNP0A03", &EisaId);
+ AmlAddIntegerToNamedPackage (EisaId, NameNode);
+ AmlGetEisaIdFromString ("PNP0A08", &EisaId);
+ AmlAddIntegerToNamedPackage (EisaId, NameNode);
+
+ equivalent of the following ASL code:
+ Name (_CID, Package (0x02) // _CID: Compatible ID
+ {
+ EisaId ("PNP0A03"),
+ EisaId ("PNP0A08")
+ })
+
+ The package is added at the tail of the list of the input package node
+ name:
+ Name ("NamePackageNode", Package () {
+ [Pre-existing package entries],
+ [Newly created integer entry]
+ })
+
+
+ @ingroup CodeGenApis
+
+ @param [in] Integer Integer value that need to be added to
package node.
+ @param [in, out] NameNode Package named node to add the object to.
+
+ @retval EFI_SUCCESS Success.
+ @retval EFI_INVALID_PARAMETER Invalid parameter.
+ @retval Others Error occurred during the operation.
+**/
+EFI_STATUS
+EFIAPI
+AmlAddIntegerToNamedPackage (
+ IN UINT32 Integer,
+ IN OUT AML_OBJECT_NODE_HANDLE NameNode
+ )
+{
+ EFI_STATUS Status;
+ AML_OBJECT_NODE *PackageNode;
+
+ if (NameNode == NULL) {
+ ASSERT_EFI_ERROR (FALSE);
+ return EFI_INVALID_PARAMETER;
+ }
+
+ PackageNode = (AML_OBJECT_NODE_HANDLE)AmlGetFixedArgument (
+ NameNode,
+ EAmlParseIndexTerm1
+ );
+ if ((PackageNode == NULL) ||
+ (AmlGetNodeType ((AML_NODE_HANDLE)PackageNode) != EAmlNodeObject) ||
+ (!AmlNodeHasOpCode (PackageNode, AML_PACKAGE_OP, 0)))
+ {
+ ASSERT_EFI_ERROR (FALSE);
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Status = AmlAddRegisterOrIntegerToPackage (NULL, Integer, PackageNode);
+ if (EFI_ERROR (Status)) {
+ ASSERT_EFI_ERROR (Status);
+ }
+
+ return Status;
+}
+
/** AML code generation to invoke/call another method.
This method is a subset implementation of MethodInvocation
--
2.34.1
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