On Thu, Oct 21, 2021 at 08:17:32AM +0800, Min Xu wrote: > RFC： https://bugzilla.tianocore.org/show_bug.cgi?id=3429 > > Previously WORK_AREA_GUEST_TYPE was cleared in SetCr3ForPageTables64. > This is workable for Legacy guest and SEV guest. But it doesn't work > after Intel TDX is introduced. It is because all TDX CPUs (BSP and APs) > start to run from 0xfffffff0, thus WORK_AREA_GUEST_TYPE will be cleared > multi-times if it is TDX guest. So the clearance of WORK_AREA_GUEST_TYPE > is moved to Main16 entry point in Main.asm. > Note: WORK_AREA_GUEST_TYPE is only defined for ARCH_X64. > > For Intel TDX, its corresponding entry point is Main32 (which will be > introduced in next commit in this patch-set). WORK_AREA_GUEST_TYPE will > be cleared there.
Acked-by: Gerd Hoffmann <kra...@redhat.com> -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#82447): https://edk2.groups.io/g/devel/message/82447 Mute This Topic: https://groups.io/mt/86479664/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
