Re: [edk2-devel] [PATCH 3/4] MdeModulePkg/DxeIpl: Introduce PCD PcdUse5LevelPageTable
Reviewed-by: Eric Dong > -Original Message- > From: Ni, Ray > Sent: Monday, July 22, 2019 4:16 PM > To: devel@edk2.groups.io > Cc: Dong, Eric ; Laszlo Ersek > Subject: [PATCH 3/4] 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 > Cc: Eric Dong > Cc: Laszlo Ersek > --- > MdeModulePkg/MdeModulePkg.dec | 7 +++ > 1 file changed, 7 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. > + # FALSE - 5-Level Paging will not be enabled. > + # @Prompt Enable 5-Level Paging support in long mode. > + > + > gEfiMdeModulePkgTokenSpaceGuid.PcdUse5LevelPageTable|FALSE|BOOLE > AN|0x0 > + 001105F > + >## Capsule In Ram is to use memory to deliver the capsules that will be > processed after system ># reset. ># This PCD indicates if the Capsule In Ram is supported. > -- > 2.21.0.windows.1 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#44279): https://edk2.groups.io/g/devel/message/44279 Mute This Topic: https://groups.io/mt/32556534/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
Re: [edk2-devel] [PATCH 3/4] MdeModulePkg/DxeIpl: Introduce PCD PcdUse5LevelPageTable
> -Original Message- > From: devel@edk2.groups.io [mailto:devel@edk2.groups.io] On Behalf Of Ni, > Ray > Sent: Monday, July 22, 2019 4:16 PM > To: devel@edk2.groups.io > Cc: Dong, Eric; Laszlo Ersek > Subject: [edk2-devel] [PATCH 3/4] 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 > Cc: Eric Dong > Cc: Laszlo Ersek > --- > MdeModulePkg/MdeModulePkg.dec | 7 +++ Hello, Please help to add the PCD description string definitions in MdeModulePkg.uni. One question, is this PCD introduced for the consideration of memory consumption by the page table entries? Or is there any other purpose? Best Regards, Hao Wu > 1 file changed, 7 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. > + # FALSE - 5-Level Paging will not be enabled. > + # @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. ># This PCD indicates if the Capsule In Ram is supported. > -- > 2.21.0.windows.1 > > > -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#44196): https://edk2.groups.io/g/devel/message/44196 Mute This Topic: https://groups.io/mt/32556534/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
Re: [edk2-devel] [PATCH 3/4] MdeModulePkg/DxeIpl: Introduce PCD PcdUse5LevelPageTable
Forgot to include MdeModulePkg maintainers for review. > -Original Message- > From: devel@edk2.groups.io On Behalf Of Ni, Ray > Sent: Monday, July 22, 2019 4:16 PM > To: devel@edk2.groups.io > Cc: Dong, Eric ; Laszlo Ersek > Subject: [edk2-devel] [PATCH 3/4] 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 > Cc: Eric Dong > Cc: Laszlo Ersek > --- > MdeModulePkg/MdeModulePkg.dec | 7 +++ > 1 file changed, 7 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. > + # FALSE - 5-Level Paging will not be enabled. > + # @Prompt Enable 5-Level Paging support in long mode. > + > + > gEfiMdeModulePkgTokenSpaceGuid.PcdUse5LevelPageTable|FALSE|BOOLE > AN|0x0 > + 001105F > + >## Capsule In Ram is to use memory to deliver the capsules that will be > processed after system ># reset. ># This PCD indicates if the Capsule In Ram is supported. > -- > 2.21.0.windows.1 > > > -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#44121): https://edk2.groups.io/g/devel/message/44121 Mute This Topic: https://groups.io/mt/32556623/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
[edk2-devel] [PATCH 3/4] 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 Cc: Eric Dong Cc: Laszlo Ersek --- MdeModulePkg/MdeModulePkg.dec | 7 +++ 1 file changed, 7 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.PcdPteMemoryEncryptionAddressOrMask|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. + # FALSE - 5-Level Paging will not be enabled. + # @Prompt Enable 5-Level Paging support in long mode. + gEfiMdeModulePkgTokenSpaceGuid.PcdUse5LevelPageTable|FALSE|BOOLEAN|0x0001105F + ## Capsule In Ram is to use memory to deliver the capsules that will be processed after system # reset. # This PCD indicates if the Capsule In Ram is supported. -- 2.21.0.windows.1 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#44117): https://edk2.groups.io/g/devel/message/44117 Mute This Topic: https://groups.io/mt/32556534/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
