[edk2-devel] [patch V2 02/29] MdePkg: Add MdeLibs.dsc.inc file to MdePkg

[Dandan Bi]

Thanks Mike.
I will submit a new version to address that.


Thanks,
Dandan
> -----Original Message-----
> From: Kinney, Michael D <michael.d.kinney at intel.com>
> Sent: Friday, March 26, 2021 8:49 AM
> To: Bi, Dandan <dandan.bi at intel.com>; devel at edk2.groups.io; Kinney,
> Michael D <michael.d.kinney at intel.com>
> Cc: Liming Gao <gaoliming at byosoft.com.cn>; Liu, Zhiguang
> <zhiguang.liu at intel.com>; Laszlo Ersek <lersek at redhat.com>
> Subject: RE: [patch V2 02/29] MdePkg: Add MdeLibs.dsc.inc file to MdePkg
> 
> Dandan,
> 
> I have a concern about the context of the dsc.inc file.
> 
> You assume that the MdeLibs.dsc.inc file will be included from the common
> [LibraryClasses] section.
> 
> This means that this dsc.inc file can not be extended to support CPU arch
> specific lib mappings.
> 
> I recommend this dsc.inc file contain the [LibraryClasses] line and that the
> MdeLibs.dsc.inc file be included just before the [LibraryClasses] line in the
> consuming DSC files.
> 
> For example, there are some required library class mappings for ARM and
> AARCH64 that are the same in every DSC file.
> I want to have the option to add CPU or module specific lib mappings to
> MdeLibs.dsc.inc.
> 
> [LibraryClasses.ARM, LibraryClasses.AARCH64]
>   #
>   # It is not possible to prevent ARM compiler calls to generic intrinsic
> functions.
>   # This library provides the instrinsic functions generated by a given compiler.
>   # [LibraryClasses.ARM] and NULL mean link this library into all ARM images.
>   #
>   NULL|ArmPkg/Library/CompilerIntrinsicsLib/CompilerIntrinsicsLib.inf
> 
>   #
>   # Since software stack checking may be heuristically enabled by the
> compiler
>   # include BaseStackCheckLib unconditionally.
>   #
>   NULL|MdePkg/Library/BaseStackCheckLib/BaseStackCheckLib.inf
> 
> 
> Mike
> 
> > -----Original Message-----
> > From: Bi, Dandan <dandan.bi at intel.com>
> > Sent: Monday, March 22, 2021 1:09 AM
> > To: devel at edk2.groups.io
> > Cc: Kinney, Michael D <michael.d.kinney at intel.com>; Liming Gao
> > <gaoliming at byosoft.com.cn>; Liu, Zhiguang <zhiguang.liu at intel.com>;
> > Laszlo Ersek <lersek at redhat.com>
> > Subject: [patch V2 02/29] MdePkg: Add MdeLibs.dsc.inc file to MdePkg
> >
> > REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3246
> >
> > MdeLibs.dsc.inc is added for some default libraries provided by MdePkg.
> > Platform can include MdeLibs.dsc.inc file to avoid some potential
> > incompatible changes to platform dsc file in future.
> >
> > Only add RegisterFilterLib into it as the first version of MdeLibs.dsc.inc.
> > Can update and maintain MdeLibs.dsc.inc gradually later.
> >
> > "MdeLibs.dsc.inc" for the [LibraryClasses*] section(s)
> >
> > Cc: Michael D Kinney <michael.d.kinney at intel.com>
> > Cc: Liming Gao <gaoliming at byosoft.com.cn>
> > Cc: Zhiguang Liu <zhiguang.liu at intel.com>
> > Cc: Laszlo Ersek <lersek at redhat.com>
> > Signed-off-by: Dandan Bi <dandan.bi at intel.com>
> > ---
> >  MdePkg/MdeLibs.dsc.inc | 14 ++++++++++++++
> >  1 file changed, 14 insertions(+)
> >  create mode 100644 MdePkg/MdeLibs.dsc.inc
> >
> > diff --git a/MdePkg/MdeLibs.dsc.inc b/MdePkg/MdeLibs.dsc.inc new file
> > mode 100644 index 0000000000..75e516c21a
> > --- /dev/null
> > +++ b/MdePkg/MdeLibs.dsc.inc
> > @@ -0,0 +1,14 @@
> > +## @file
> > +# Mde DSC include file for [LibraryClasses*] section of all Architectures.
> > +#
> > +# This file can be included to the [LibraryClasses*] section(s) of a
> > +platform DSC file # by using "!include MdePkg/MdeLibs.dsc.inc" to
> > +specify the library instances # of some EDKII basic/common library classes.
> > +#
> > +# Copyright (c) 2021, Intel Corporation. All rights reserved.<BR> #
> > +#    SPDX-License-Identifier: BSD-2-Clause-Patent
> > +#
> > +##
> > +
> > +
> > + RegisterFilterLib|MdePkg/Library/RegisterFilterLibNull/RegisterFilte
> > + rLibNull.inf
> > --
> > 2.18.0.windows.1



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