On Fri, 15 Jan 2021 at 07:14, Sughosh Ganu <sughosh.g...@linaro.org> wrote: > > The Secure Partition(SP) can request services from the Secure > Partition Manager Core(SPMC) either through FF-A calls or through the > existing SVC calls. Add a feature flag Pcd for enabling the FF-A > method -- when this is set to FALSE, the SP uses the existing SVC > calls for making the requests. > > Signed-off-by: Sughosh Ganu <sughosh.g...@linaro.org> > Reviewed-by: Sami Mujawar <sami.muja...@arm.com>
Reviewed-by: Ard Biesheuvel <a...@kernel.org> > --- > > Changes since V2: None > > ArmPkg/ArmPkg.dec | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/ArmPkg/ArmPkg.dec b/ArmPkg/ArmPkg.dec > index eaf1072d9e..507e16844c 100644 > --- a/ArmPkg/ArmPkg.dec > +++ b/ArmPkg/ArmPkg.dec > @@ -78,6 +78,12 @@ > # Define if the GICv3 controller should use the GICv2 legacy > gArmTokenSpaceGuid.PcdArmGicV3WithV2Legacy|FALSE|BOOLEAN|0x00000042 > > + ## Used to select method for requesting services from S-EL1.<BR><BR > + # TRUE - Selects FF-A calls for communication between S-EL0 and > SPMC.<BR> > + # FALSE - Selects SVC calls for communication between S-EL0 and SPMC.<BR> > + # @Prompt Enable FF-A support. > + gArmTokenSpaceGuid.PcdFfaEnable|FALSE|BOOLEAN|0x0000005B > + > [PcdsFeatureFlag.ARM] > # Whether to map normal memory as non-shareable. FALSE is the safe choice, > but > # TRUE may be appropriate to fix performance problems if you don't care > about > -- > 2.17.1 > > > > > > -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#71665): https://edk2.groups.io/g/devel/message/71665 Mute This Topic: https://groups.io/mt/79696441/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
