回复: [edk2-devel] [edk2-stable202405 RESEND PATCH v2 1/1] DynamicTablesPkg: Adds integer to the AML package node

["gaoliming via groups.io" <gaoliming=byosoft.com.cn@groups.io>]

Abdul:
  Can you give more information why this change is required for this stable
tag 202405?

Thanks
Liming
> -----邮件原件-----
> 发件人: devel@edk2.groups.io <devel@edk2.groups.io> 代表 Abdul Lateef
> Attar via groups.io
> 发送时间: 2024年5月9日 12:49
> 收件人: devel@edk2.groups.io
> 抄送: Abdul Lateef Attar <AbdulLateef.Attar@amd.com>; Pierre Gondois
> <pierre.gondois@arm.com>; Sami Mujawar <sami.mujawar@arm.com>
> 主题: [edk2-devel] [edk2-stable202405 RESEND PATCH v2 1/1]
> 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>
> ---
>  .../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
> 
> 
> 
> 
> 





-=-=-=-=-=-=-=-=-=-=-=-
Groups.io Links: You receive all messages sent to this group.
View/Reply Online (#118747): https://edk2.groups.io/g/devel/message/118747
Mute This Topic: https://groups.io/mt/105997290/7686176
Group Owner: devel+owner@edk2.groups.io
Unsubscribe: https://edk2.groups.io/g/devel/unsub [rebecca@openfw.io]
-=-=-=-=-=-=-=-=-=-=-=-