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DynamicTablesPkg: Adds integer to the AML package node 

Adds an AmlAddIntegerToNamedPackage() API to generate AML code,
which adds an integer value to the package node.

Cc: Pierre Gondois <pierre.gondois@arm.com>
Cc: Sami Mujawar <sami.mujawar@arm.com>
Signed-off-by: Abdul Lateef Attar <AbdulLateef.Attar@amd.com>
Reviewed-by: Pierre Gondois <pierre.gondois@arm.com>
Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
This commit is contained in:
Abdul Lateef Attar 2024-05-09 10:18:50 +05:30 committed by Liming Gao
parent 25996a3441
commit 3c0b84420f
2 changed files with 107 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

41
DynamicTablesPkg/Include/Library/AmlLib/AmlLib.h
View File

@ -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

67
DynamicTablesPkg/Library/Common/AmlLib/CodeGen/AmlCodeGen.c
View File

@ -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