On Mon, 2017-11-13 at 10:17 +0000, Ard Biesheuvel wrote: > On 25 October 2017 at 17:32, Supreeth Venkatesh > <[email protected]> wrote: > > > > This patch defines PCDs to describe the base address and size of > > communication buffer between normal world (uefi) and standalone MM > > environment in the secure world. > > > > Contributed-under: TianoCore Contribution Agreement 1.1 > > Signed-off-by: Achin Gupta <[email protected]> > > Signed-off-by: Supreeth Venkatesh <[email protected]> > > --- > > ArmPkg/ArmPkg.dec | 3 +++ > > 1 file changed, 3 insertions(+) > > > > diff --git a/ArmPkg/ArmPkg.dec b/ArmPkg/ArmPkg.dec > > index f99054a7de..d871ecc654 100644 > > --- a/ArmPkg/ArmPkg.dec > > +++ b/ArmPkg/ArmPkg.dec > > @@ -229,6 +229,9 @@ > > gArmTokenSpaceGuid.PcdSystemMemoryBase|0|UINT64|0x00000029 > > gArmTokenSpaceGuid.PcdSystemMemorySize|0|UINT64|0x0000002A > > > > + gArmTokenSpaceGuid.PcdMmBufferBase|0|UINT64|0x00000045 > > + gArmTokenSpaceGuid.PcdMmBufferSize|0|UINT64|0x00000046 > > + > Do we need to hardcode this? Is there no way for the non-secure side > to retrieve this information via SMC calls etc? > This is not in the Specification yet. I am trying to get this added to specification. Hence, for the time being, we are still using PCDs.
> > > > [PcdsFixedAtBuild.common, PcdsDynamic.common] > > # > > # ARM Architectural Timer > > -- > > 2.14.1 > > _______________________________________________ edk2-devel mailing list [email protected] https://lists.01.org/mailman/listinfo/edk2-devel

