[Linaro-uefi] Platforms: add resolution for new library class 'ArmMmuLib'

On 6 July 2016 at 15:48, Ard Biesheuvel <ard.biesheuvel@linaro.org> wrote:
> Now that the page table manipulation code has been split off from ArmLib
> into ArmMmuLib, we need a resolution for this new library class in all
> platforms. For most platforms, this is simply a matter of adding a new
> line
>
>   ArmMmuLib|ArmPkg/Library/ArmMmuLib/ArmMmuBaseLib.inf
>
> to a common [LibraryClass] section.
>
> For D02/D03, which were users of the special PEI_CORE/PEIM implementation
> of ArmLib, we drop the reference to this special version from the
> [LibraryClasses.PEI_CORE] section (since PEI core does use ArmLib but does
> not use the MMU code), and replace the one in [LibraryClasses.PEIM] with
> the new ArmMmuPeiLib.inf implementation, which is the new version that
> takes care not to issue cache maintenance ops on NOR flash.
>
> Contributed-under: TianoCore Contribution Agreement 1.0
> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
> ---
> This change will be needed as soon as I commit the series 'ArmPkg: refactor
> MMU handling routines into separate ArmMmuLib', which is good to go from
> review perspective. If people are ok with this patch, I will merge it at
> the same time as the series (unless there are other reasons to wait)
>
> Since this change is not bisectable anyway (since the EDK2 change and the
> OPP change both need to occur at the same time), I saw little point in
> splitting this into several patches.
>

Actually, similar to the ArmMmuLib 3/4 patch, this requires some minor
additional tweaks for Cello/Overdrive and Beagle, which I didn't spot
until right after hitting 'send'


"""
"""

On Wed, Jul 06, 2016 at 03:59:34PM +0200, Ard Biesheuvel wrote:
> On 6 July 2016 at 15:48, Ard Biesheuvel <ard.biesheuvel@linaro.org> wrote:
> > Now that the page table manipulation code has been split off from ArmLib
> > into ArmMmuLib, we need a resolution for this new library class in all
> > platforms. For most platforms, this is simply a matter of adding a new
> > line
> >
> >   ArmMmuLib|ArmPkg/Library/ArmMmuLib/ArmMmuBaseLib.inf
> >
> > to a common [LibraryClass] section.
> >
> > For D02/D03, which were users of the special PEI_CORE/PEIM implementation
> > of ArmLib, we drop the reference to this special version from the
> > [LibraryClasses.PEI_CORE] section (since PEI core does use ArmLib but does
> > not use the MMU code), and replace the one in [LibraryClasses.PEIM] with
> > the new ArmMmuPeiLib.inf implementation, which is the new version that
> > takes care not to issue cache maintenance ops on NOR flash.
> >
> > Contributed-under: TianoCore Contribution Agreement 1.0
> > Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
> > ---
> > This change will be needed as soon as I commit the series 'ArmPkg: refactor
> > MMU handling routines into separate ArmMmuLib', which is good to go from
> > review perspective. If people are ok with this patch, I will merge it at
> > the same time as the series (unless there are other reasons to wait)
> >
> > Since this change is not bisectable anyway (since the EDK2 change and the
> > OPP change both need to occur at the same time), I saw little point in
> > splitting this into several patches.
> >
> 
> Actually, similar to the ArmMmuLib 3/4 patch, this requires some minor
> additional tweaks for Cello/Overdrive and Beagle, which I didn't spot
> until right after hitting 'send'
> 
> 
> """
> diff --git a/Platforms/AMD/Styx/Library/MemoryInitPei/MemoryInitPeiLib.c
> b/Platforms/AMD/Styx/Library/MemoryInitPei/MemoryInitPeiLib.c
> index 13388c175e4b..5fb63349864e 100644
> --- a/Platforms/AMD/Styx/Library/MemoryInitPei/MemoryInitPeiLib.c
> +++ b/Platforms/AMD/Styx/Library/MemoryInitPei/MemoryInitPeiLib.c
> @@ -20,6 +20,7 @@
> 
>  #include <PiPei.h>
> 
> +#include <Library/ArmMmuLib.h>
>  #include <Library/ArmPlatformLib.h>
>  #include <Library/BaseMemoryLib.h>
>  #include <Library/DebugLib.h>
> diff --git a/Platforms/AMD/Styx/Library/MemoryInitPei/MemoryInitPeiLib.inf
> b/Platforms/AMD/Styx/Library/MemoryInitPei/MemoryInitPeiLib.inf
> index 42f755b74b41..1ae0b70ee3eb 100644
> --- a/Platforms/AMD/Styx/Library/MemoryInitPei/MemoryInitPeiLib.inf
> +++ b/Platforms/AMD/Styx/Library/MemoryInitPei/MemoryInitPeiLib.inf
> @@ -40,7 +40,7 @@
>  [LibraryClasses]
>    DebugLib
>    HobLib
> -  ArmLib
> +  ArmMmuLib
>    ArmPlatformLib
>    PcdLib
> 
> diff --git a/Platforms/TexasInstruments/BeagleBoard/Sec/Cache.c
> b/Platforms/TexasInstruments/BeagleBoard/Sec/Cache.c
> index 7399eef5be7c..155043e5dd01 100644
> --- a/Platforms/TexasInstruments/BeagleBoard/Sec/Cache.c
> +++ b/Platforms/TexasInstruments/BeagleBoard/Sec/Cache.c
> @@ -15,6 +15,7 @@
>  #include <PiPei.h>
> 
>  #include <Library/ArmLib.h>
> +#include <Library/ArmMmuLib.h>
>  #include <Library/PrePiLib.h>
>  #include <Library/PcdLib.h>
> 
> diff --git a/Platforms/TexasInstruments/BeagleBoard/Sec/Sec.inf
> b/Platforms/TexasInstruments/BeagleBoard/Sec/Sec.inf
> index 82fc2aafd157..5f207d0eef24 100644
> --- a/Platforms/TexasInstruments/BeagleBoard/Sec/Sec.inf
> +++ b/Platforms/TexasInstruments/BeagleBoard/Sec/Sec.inf
> @@ -43,6 +43,7 @@
>    BaseLib
>    DebugLib
>    ArmLib
> +  ArmMmuLib
>    IoLib
>    ExtractGuidedSectionLib
>    LzmaDecompressLib
> """

Sure, with those additions:
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>

Thanks Ard for your help :)

Heyi

On 07/06/2016 09:59 PM, Ard Biesheuvel wrote:
> On 6 July 2016 at 15:48, Ard Biesheuvel <ard.biesheuvel@linaro.org> wrote:
>> Now that the page table manipulation code has been split off from ArmLib
>> into ArmMmuLib, we need a resolution for this new library class in all
>> platforms. For most platforms, this is simply a matter of adding a new
>> line
>>
>>    ArmMmuLib|ArmPkg/Library/ArmMmuLib/ArmMmuBaseLib.inf
>>
>> to a common [LibraryClass] section.
>>
>> For D02/D03, which were users of the special PEI_CORE/PEIM implementation
>> of ArmLib, we drop the reference to this special version from the
>> [LibraryClasses.PEI_CORE] section (since PEI core does use ArmLib but does
>> not use the MMU code), and replace the one in [LibraryClasses.PEIM] with
>> the new ArmMmuPeiLib.inf implementation, which is the new version that
>> takes care not to issue cache maintenance ops on NOR flash.
>>
>> Contributed-under: TianoCore Contribution Agreement 1.0
>> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
>> ---
>> This change will be needed as soon as I commit the series 'ArmPkg: refactor
>> MMU handling routines into separate ArmMmuLib', which is good to go from
>> review perspective. If people are ok with this patch, I will merge it at
>> the same time as the series (unless there are other reasons to wait)
>>
>> Since this change is not bisectable anyway (since the EDK2 change and the
>> OPP change both need to occur at the same time), I saw little point in
>> splitting this into several patches.
>>
> Actually, similar to the ArmMmuLib 3/4 patch, this requires some minor
> additional tweaks for Cello/Overdrive and Beagle, which I didn't spot
> until right after hitting 'send'
>
>
> """
> diff --git a/Platforms/AMD/Styx/Library/MemoryInitPei/MemoryInitPeiLib.c
> b/Platforms/AMD/Styx/Library/MemoryInitPei/MemoryInitPeiLib.c
> index 13388c175e4b..5fb63349864e 100644
> --- a/Platforms/AMD/Styx/Library/MemoryInitPei/MemoryInitPeiLib.c
> +++ b/Platforms/AMD/Styx/Library/MemoryInitPei/MemoryInitPeiLib.c
> @@ -20,6 +20,7 @@
>
>   #include <PiPei.h>
>
> +#include <Library/ArmMmuLib.h>
>   #include <Library/ArmPlatformLib.h>
>   #include <Library/BaseMemoryLib.h>
>   #include <Library/DebugLib.h>
> diff --git a/Platforms/AMD/Styx/Library/MemoryInitPei/MemoryInitPeiLib.inf
> b/Platforms/AMD/Styx/Library/MemoryInitPei/MemoryInitPeiLib.inf
> index 42f755b74b41..1ae0b70ee3eb 100644
> --- a/Platforms/AMD/Styx/Library/MemoryInitPei/MemoryInitPeiLib.inf
> +++ b/Platforms/AMD/Styx/Library/MemoryInitPei/MemoryInitPeiLib.inf
> @@ -40,7 +40,7 @@
>   [LibraryClasses]
>     DebugLib
>     HobLib
> -  ArmLib
> +  ArmMmuLib
>     ArmPlatformLib
>     PcdLib
>
> diff --git a/Platforms/TexasInstruments/BeagleBoard/Sec/Cache.c
> b/Platforms/TexasInstruments/BeagleBoard/Sec/Cache.c
> index 7399eef5be7c..155043e5dd01 100644
> --- a/Platforms/TexasInstruments/BeagleBoard/Sec/Cache.c
> +++ b/Platforms/TexasInstruments/BeagleBoard/Sec/Cache.c
> @@ -15,6 +15,7 @@
>   #include <PiPei.h>
>
>   #include <Library/ArmLib.h>
> +#include <Library/ArmMmuLib.h>
>   #include <Library/PrePiLib.h>
>   #include <Library/PcdLib.h>
>
> diff --git a/Platforms/TexasInstruments/BeagleBoard/Sec/Sec.inf
> b/Platforms/TexasInstruments/BeagleBoard/Sec/Sec.inf
> index 82fc2aafd157..5f207d0eef24 100644
> --- a/Platforms/TexasInstruments/BeagleBoard/Sec/Sec.inf
> +++ b/Platforms/TexasInstruments/BeagleBoard/Sec/Sec.inf
> @@ -43,6 +43,7 @@
>     BaseLib
>     DebugLib
>     ArmLib
> +  ArmMmuLib
>     IoLib
>     ExtractGuidedSectionLib
>     LzmaDecompressLib
> """