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From: "Leif Lindholm" <leif.lindholm@linaro.org>
To: "Chang, Abner (HPS SW/FW Technologist)" <abner.chang@hpe.com>
Cc: "devel@edk2.groups.io" <devel@edk2.groups.io>
Subject: Re: [edk2-devel] [edk2-staging/RISC-V-V2 PATCH v1 01/22]: RiscVPkg: RISC-V processor package.
Date: Fri, 20 Sep 2019 18:04:31 +0100	[thread overview]
Message-ID: <20190920170431.GK28454@bivouac.eciton.net> (raw)
In-Reply-To: <CS1PR8401MB1192EC429F5B0B8767F0FC56FF890@CS1PR8401MB1192.NAMPRD84.PROD.OUTLOOK.COM>

On Thu, Sep 19, 2019 at 07:10:16AM +0000, Chang, Abner (HPS SW/FW Technologist) wrote:
> > -----Original Message-----
> > > > I personally think we need a longer-term encapsulation of libfdt
> > > > that doesn't mess up the coding style. But until then, I would be
> > > > much happier if you used the half measure we have in EmbeddedPkg:
> > > > EmbeddedPkg/Library/FdtLib/ and EmbeddedPkg/Include/.
> > >
> > > We may not go this way due to everything is from OpenSBI and we don't
> > > want to maintain the difference to open source OpenSBI. Just take what
> > > OpenSBI provides.
> > 
> > If libfdt was a very quickly changing project, I might agree with you.
> > But it is not. It is a very simple piece of code that performs a small set of
> > operations on a very well defined structured encapsulation format.
> > 
> > So please use the one from EmbeddedPkg. On the very unlikely occurrence
> > that you require functionality not provided by the version in there, we can
> > update it.
> 
> I am not sure how's compatibility between these two
> libraries. However I can't agree to use EmbbedPkg one now, maybe
> later once this port is got on edk2 repo. Currently we just simply
> create an INF file and in which  pull everything OpenSBI provides,
> that is easy for us to integrate OpenSbi. We don't want to increase
> complexities now. I am not saying to not adopting EmbbedPkg one,
> just not for now.

If the libfdt is simply what comes along with opensbi, then I can live
with that for now, once opensbi becomes a submodule.

The conversion to use the current EmbeddedPkg FdtLib should however be
completely trivial. So I would still like to see the following
*attempted* before we start considering this being included in edk2
master:

- add FdtLib to RiscVOpensbiLib.inf [LibraryClasses]
- delete all of the libfdt/* files from RiscVOpensbiLib.inf [Sources]
- add EmbeddedPkg/EmbeddedPkg.dec to RiscVOpensbiLib.inf  [Packages]

/
    Leif

  reply	other threads:[~2019-09-20 17:04 UTC|newest]

Thread overview: 71+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-04 10:42 [PATCH 00/22] RISC-V EDK2 Port on edk2-staging/RISC-V-V2 branch Abner Chang
2019-09-04 10:42 ` [edk2-staging/RISC-V-V2 PATCH v1 01/22]: RiscVPkg: RISC-V processor package Abner Chang
2019-09-04 17:51   ` [edk2-devel] " Leif Lindholm
2019-09-16  5:15     ` Abner Chang
2019-09-17 14:03       ` Leif Lindholm
2019-09-19  7:10         ` Abner Chang
2019-09-20 17:04           ` Leif Lindholm [this message]
2019-09-21  7:14             ` Abner Chang
2019-09-04 10:42 ` [edk2-staging/RISC-V-V2 PATCH v1 02/22]: RiscVPkg/Include: Add header files of RISC-V CPU package Abner Chang
2019-09-04 18:55   ` [edk2-devel] " Leif Lindholm
2019-09-16  4:02     ` Abner Chang
2019-09-17 13:54       ` Leif Lindholm
2019-09-19  6:58         ` Abner Chang
2019-09-04 10:42 ` [edk2-staging/RISC-V-V2 PATCH v1 03/22]: MdePkg: RISC-V sections in DEC file Abner Chang
2019-09-04 19:02   ` [edk2-devel] " Leif Lindholm
2019-09-16  5:16     ` Abner Chang
2019-09-16  9:17       ` Leif Lindholm
2019-09-04 10:42 ` [edk2-staging/RISC-V-V2 PATCH v1 04/22]: MdePkg/Include: RISC-V definitions Abner Chang
2019-09-04 20:40   ` [edk2-devel] " Leif Lindholm
2019-09-16  5:31     ` Abner Chang
2019-09-17 14:11       ` Leif Lindholm
2019-09-17  8:32     ` Abner Chang
2019-09-04 10:43 ` [edk2-staging/RISC-V-V2 PATCH v1 05/22]: MdeModulePkg/CapsuleRuntimeDxe: Add RISC-V arch Abner Chang
2019-09-04 10:43 ` [edk2-staging/RISC-V-V2 PATCH v1 6/22]: MdePkg/BaseCacheMaintenanceLib: RISC-V cache maintenance implementation Abner Chang
2019-09-04 20:49   ` [edk2-devel] " Leif Lindholm
2019-09-04 10:43 ` [edk2-staging/RISC-V-V2 PATCH v1 07/22]: MdePkg/BaseIoLibIntrinsic: RISC-V I/O intrinsic functions Abner Chang
2019-09-05 14:28   ` [edk2-devel] " Leif Lindholm
2019-09-16  5:37     ` Abner Chang
2019-09-17 14:14       ` Leif Lindholm
2019-09-04 10:43 ` [edk2-staging/RISC-V-V2 PATCH v1 08/22]: MdePkg/BasePeCoff: Add RISC-V PE/Coff related code Abner Chang
2019-09-05 14:38   ` [edk2-devel] " Leif Lindholm
2019-09-04 10:43 ` [edk2-staging/RISC-V-V2 PATCH v1 09/22]: MdePkg/BaseCpuLib: RISC-V Base CPU library implementation Abner Chang
2019-09-05 14:42   ` [edk2-devel] " Leif Lindholm
2019-09-04 10:43 ` [edk2-staging/RISC-V-V2 PATCH v1 10/22]: MdePkg/BaseSynchronizationLib: RISC-V cache related code Abner Chang
2019-09-05 14:51   ` [edk2-devel] " Leif Lindholm
2019-09-04 10:43 ` [edk2-staging/RISC-V-V2 PATCH v1 11/22]: BaseTools: BaseTools changes for RISC-V platform Abner Chang
2019-09-05 15:44   ` [edk2-devel] " Leif Lindholm
2019-09-16  6:44     ` Abner Chang
2019-09-17 12:15       ` Leif Lindholm
2019-09-09 11:36   ` Leif Lindholm
2019-09-16  7:46     ` Abner Chang
2019-09-17 13:08       ` Leif Lindholm
2019-09-17 14:26         ` Leif Lindholm
2019-09-04 10:43 ` [edk2-staging/RISC-V-V2 PATCH v1 12/22]: MdePkg/BaseLib: BaseLib for RISC-V RV64 Processor Abner Chang
2019-09-05 16:11   ` [edk2-devel] " Leif Lindholm
2019-09-04 10:43 ` [edk2-staging/RISC-V-V2 PATCH v1 13/22]: MdePkg/Include: Update SmBios header file Abner Chang
2019-09-05 16:16   ` [edk2-devel] " Leif Lindholm
2019-09-16  7:01     ` Abner Chang
2019-09-17 14:15       ` Leif Lindholm
     [not found]     ` <15C4D92300C8E997.28834@groups.io>
2019-09-17  6:58       ` Abner Chang
2019-09-04 10:43 ` [edk2-staging/RISC-V-V2 PATCH v1 14/22]: RiscVPkg/opesbi: Add opensbi-HOWTO.txt Abner Chang
2019-09-05 16:19   ` [edk2-devel] " Leif Lindholm
2019-09-04 10:43 ` [edk2-staging/RISC-V-V2 PATCH v1 15/22]: RiscVPkg/RealTimeClockRuntimeDxe: Add RISC-V RTC Runtime Driver Abner Chang
2019-09-05 16:26   ` [edk2-devel] " Leif Lindholm
2019-09-04 10:43 ` [edk2-staging/RISC-V-V2 PATCH v1 16/22]: RiscVPkg/CpuDxe: Add RISC-V CPU DXE driver Abner Chang
2019-09-05 16:28   ` [edk2-devel] " Leif Lindholm
2019-09-04 10:43 ` [edk2-staging/RISC-V-V2 PATCH v1 17/22]: RiscVPkg/SmbiosDxe: RISC-V platform generic SMBIOS " Abner Chang
2019-09-05 16:31   ` [edk2-devel] " Leif Lindholm
2019-09-04 10:43 ` [edk2-staging/RISC-V-V2 PATCH v1 18/22]: RiscVPkg/Library: Add/Update/Remove Library instances for RISC-V platform Abner Chang
2019-09-05 16:48   ` [edk2-devel] " Leif Lindholm
2019-09-04 10:43 ` [edk2-staging/RISC-V-V2 PATCH v1 19/22]: MdeModulePkg/DxeIplPeim:RISC-V platform DXEIPL Abner Chang
2019-09-05 16:50   ` [edk2-devel] " Leif Lindholm
2019-09-04 10:43 ` [edk2-staging/RISC-V-V2 PATCH v1 20/22]: MdeModulePkg/Logo Abner Chang
2019-09-05 16:51   ` [edk2-devel] " Leif Lindholm
2019-09-04 10:43 ` [edk2-staging/RISC-V-V2 PATCH v1 21/22]: NetworkPkg Abner Chang
2019-09-05 16:52   ` [edk2-devel] " Leif Lindholm
2019-09-04 10:43 ` [edk2-staging/RISC-V-V2 PATCH v1 22/22]: BaseTools/Scripts Abner Chang
2019-09-05 16:54   ` [edk2-devel] " Leif Lindholm
2019-09-05 17:15 ` [edk2-devel] [PATCH 00/22] RISC-V EDK2 Port on edk2-staging/RISC-V-V2 branch Leif Lindholm
2019-09-06  1:27   ` Abner Chang
     [not found]   ` <15C1B52667BA1578.25810@groups.io>
2019-09-23  1:15     ` Abner Chang

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