> -----Original Message----- > From: Ni, Ray > Sent: Thursday, August 01, 2019 5:58 PM > To: devel@edk2.groups.io > Cc: Dong, Eric; Laszlo Ersek; Wu, Hao A; Wang, Jian J > Subject: [PATCH v4 4/8] MdeModulePkg/DxeIpl: Introduce PCD > PcdUse5LevelPageTable > > REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2008 > > The PCD indicates if 5-Level Paging will be enabled in long mode. > 5-Level Paging will not be enabled when the PCD is TRUE but CPU > doesn't support 5-Level Paging. > > Signed-off-by: Ray Ni <ray...@intel.com> > Cc: Eric Dong <eric.d...@intel.com> > Cc: Laszlo Ersek <ler...@redhat.com> > Cc: Hao A Wu <hao.a...@intel.com> > Cc: Jian J Wang <jian.j.w...@intel.com> > --- > MdeModulePkg/MdeModulePkg.dec | 7 +++++++ > MdeModulePkg/MdeModulePkg.uni | 8 ++++++++ > 2 files changed, 15 insertions(+) > > diff --git a/MdeModulePkg/MdeModulePkg.dec > b/MdeModulePkg/MdeModulePkg.dec > index 12e0bbf579..21388595a9 100644 > --- a/MdeModulePkg/MdeModulePkg.dec > +++ b/MdeModulePkg/MdeModulePkg.dec > @@ -1991,6 +1991,13 @@ [PcdsFixedAtBuild, PcdsPatchableInModule, > PcdsDynamic, PcdsDynamicEx] > # @Prompt The address mask when memory encryption is enabled. > > gEfiMdeModulePkgTokenSpaceGuid.PcdPteMemoryEncryptionAddressOrM > ask|0x0|UINT64|0x30001047 > > + ## Indicates if 5-Level Paging will be enabled in long mode. 5-Level Paging > will not be enabled > + # when the PCD is TRUE but CPU doesn't support 5-Level Paging. > + # TRUE - 5-Level Paging will be enabled.<BR> > + # FALSE - 5-Level Paging will not be enabled.<BR> > + # @Prompt Enable 5-Level Paging support in long mode. > + > gEfiMdeModulePkgTokenSpaceGuid.PcdUse5LevelPageTable|FALSE|BOOLE > AN|0x0001105F > + > ## Capsule In Ram is to use memory to deliver the capsules that will be > processed after system > # reset.<BR><BR> > # This PCD indicates if the Capsule In Ram is supported.<BR> > diff --git a/MdeModulePkg/MdeModulePkg.uni > b/MdeModulePkg/MdeModulePkg.uni > index 2bd1ad29f2..3a1c88e4c5 100644 > --- a/MdeModulePkg/MdeModulePkg.uni > +++ b/MdeModulePkg/MdeModulePkg.uni > @@ -1298,3 +1298,11 @@ > > "It is used to set VPD region base > address. So, it can't be DynamicExVpd PCD. Its value is" > > "required to be accessed in PcdDxe > driver entry point. So, its value must be set in PEI phase." > > "It can't depend on EFI variable > service, and can't be DynamicExHii PCD." > + > +#string > STR_gEfiMdeModulePkgTokenSpaceGuid_PcdUse5LevelPageTable_PROMP > T #language en-US "Enable 5-Level Paging support in long mode" > + > +#string > STR_gEfiMdeModulePkgTokenSpaceGuid_PcdUse5LevelPageTable_HELP > #language en-US "Indicates if 5-Level Paging will be enabled in long mode. 5- > Level Paging will not be enabled" > + > "when the PCD is TRUE but CPU > doesn't support 5-Level Paging." > + > " TRUE - 5-Level Paging will be > enabled." > + > " FALSE - 5-Level Paging will not be > enabled." > +
Reviewed-by: Hao A Wu <hao.a...@intel.com> Best Regards, Hao Wu > -- > 2.21.0.windows.1 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#45114): https://edk2.groups.io/g/devel/message/45114 Mute This Topic: https://groups.io/mt/32677230/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
