[edk2-devel] 回复: [PATCH v1 1/2] MdePkg/MdeModulePkg: Move AML_NAME_SEG_SIZE definition

[gaoliming]

Reviewed-by: Liming Gao <gaoliming at byosoft.com.cn>

> -----邮件原件-----
> 发件人: Pierre.Gondois at arm.com <Pierre.Gondois at arm.com>
> 发送时间: 2021年6月2日 6:05
> 收件人: devel at edk2.groups.io; dandan.bi at intel.com;
> gaoliming at byosoft.com.cn; michael.d.kinney at intel.com;
> Sami.Mujawar at arm.com; Alexei.Fedorov at arm.com
> 主题: [PATCH v1 1/2] MdePkg/MdeModulePkg: Move AML_NAME_SEG_SIZE
> definition
> 
> From: Pierre Gondois <Pierre.Gondois at arm.com>
> 
> A NameSeg is made 4 chars.
> Cf. ACPI 6.4 s20.2.2 "Name Objects Encoding":
> NameSeg := <leadnamechar namechar namechar namechar>
> Notice that NameSegs shorter than 4 characters are filled
> with trailing underscores (‘_’s).
> 
> AML_NAME_SEG_SIZE is currently defined in:
> - DynamicTablesPkg/Library/Common/AmlLib/AmlDefines.h
> - MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiSdt.h
> Since the value can be inferred from the ACPI specification
> and to avoid multiple definitions, move it to
> MdePkg/Include/IndustryStandard/
> 
> Signed-off-by: Pierre Gondois <Pierre.Gondois at arm.com>
> ---
>  MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiSdt.h | 1 -
>  MdePkg/Include/IndustryStandard/AcpiAml.h          | 7 ++++++-
>  2 files changed, 6 insertions(+), 2 deletions(-)
> 
> diff --git a/MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiSdt.h
> b/MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiSdt.h
> index 50d4c96edb63..1b26729e71c3 100644
> --- a/MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiSdt.h
> +++ b/MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiSdt.h
> @@ -56,7 +56,6 @@ typedef struct _EFI_AML_NODE_LIST
> EFI_AML_NODE_LIST;
>  //  Size is the total size of this ACPI node buffer.
>  //  Children is the children linked list of this node.
>  //
> -#define AML_NAME_SEG_SIZE  4
> 
>  struct _EFI_AML_NODE_LIST {
>    UINT32                  Signature;
> diff --git a/MdePkg/Include/IndustryStandard/AcpiAml.h
> b/MdePkg/Include/IndustryStandard/AcpiAml.h
> index 74622e912ea4..4255ca3d7087 100644
> --- a/MdePkg/Include/IndustryStandard/AcpiAml.h
> +++ b/MdePkg/Include/IndustryStandard/AcpiAml.h
> @@ -2,7 +2,7 @@
>    This file contains AML code definition in the latest ACPI spec.
> 
>    Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>
> -  Copyright (c) 2019, ARM Limited. All rights reserved.<BR>
> +  Copyright (c) 2019 - 2021, Arm Limited. All rights reserved.<BR>
>    SPDX-License-Identifier: BSD-2-Clause-Patent
> 
>  **/
> @@ -176,4 +176,9 @@
>  #define AML_FIELD_CONNECTION_OP      0x02
>  #define AML_FIELD_EXT_ACCESS_OP      0x03
> 
> +//
> +// AML Name segment definitions
> +//
> +#define AML_NAME_SEG_SIZE            4
> +
>  #endif
> --
> 2.17.1





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