Hi Guo, I tested on 078400ee15e7b250e4dfafd840c2e0c19835e16b and run it in QEMU. The problem seems to be here, as gdt is allocated > 4GiB: gdtPtr.Base = (UINT32)(UINTN)(VOID*) gdt;
Regards, Patrick On Mon, Feb 22, 2021 at 3:59 PM Dong, Guo <guo.d...@intel.com> wrote: > > > Hi Patrick, > Please make sure you are using latest master when testing this patch. > That issue should be fix be this patch: > UefiCpuPkg/CpuDxe: Fix boot error (commit: > ebfe2d3eb5ac7fd92d74011edb31303a181920c7) > And there is similar fix in another place as below: > UefiCpuPkg/MpInitLib: Fix a hang in above 4GB case (commit: > edd74ad3ad79b855f76d9cf60a96c405cb3e863b) > > Thanks, > Guo > > > -----Original Message----- > > From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of Patrick > > Rudolph > > Sent: Monday, February 22, 2021 7:04 AM > > To: devel@edk2.groups.io; Ma, Maurice <maurice...@intel.com> > > Cc: Dong, Guo <guo.d...@intel.com>; You, Benjamin > > <benjamin....@intel.com> > > Subject: Re: [edk2-devel] [PATCH] UefiPayloadPkg/UefiPayloadEntry: Remove > > 4GB memory WA > > > > This patch breaks booting on master. > > In CpuDxe.efi / InitGlobalDescriptorTable as the GDT pointer is casted > > to 32bits. > > > > Regards, > > Patrick > > > > On Fri, Feb 19, 2021 at 3:12 AM Ma, Maurice <maurice...@intel.com> wrote: > > > > > > Reviewed-by: Maurice Ma <maurice...@intel.com> > > > > > > Regards > > > Maurice > > > > > > > -----Original Message----- > > > > From: Dong, Guo <guo.d...@intel.com> > > > > Sent: Sunday, February 14, 2021 21:13 > > > > To: devel@edk2.groups.io > > > > Cc: Ma, Maurice <maurice...@intel.com>; You, Benjamin > > > > <benjamin....@intel.com> > > > > Subject: [edk2-devel] [PATCH] UefiPayloadPkg/UefiPayloadEntry: Remove > > > > 4GB memory WA > > > > > > > > Previous it would hang in CpuDxe if DXE drivers are dispatched above > > > > 4GB. > > > > Now remove the work around since the fixed in CpuDxe are merged. > > > > > > > > Signed-off-by: Guo Dong <guo.d...@intel.com> > > > > --- > > > > UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.c | 5 ----- > > > > 1 file changed, 5 deletions(-) > > > > > > > > diff --git a/UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.c > > > > b/UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.c > > > > index 805f5448d9..c403b0a80a 100644 > > > > --- a/UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.c > > > > +++ b/UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.c > > > > @@ -40,11 +40,6 @@ MemInfoCallback ( > > > > EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE | > > > > EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE; > > > > > > > > - if (Base >= BASE_4GB ) { > > > > - // Remove tested attribute to avoid DXE core to dispatch driver to > > > > memory above 4GB > > > > - Attribue &= ~EFI_RESOURCE_ATTRIBUTE_TESTED; > > > > - } > > > > - > > > > BuildResourceDescriptorHob (Type, Attribue, > > > > (EFI_PHYSICAL_ADDRESS)Base, Size); > > > > DEBUG ((DEBUG_INFO , "buildhob: base = 0x%lx, size = 0x%lx, type = > > > > 0x%x\n", Base, Size, Type)); > > > > > > > > -- > > > > 2.16.2.windows.1 > > > > > > > > > > > > > > > > > > > > > > > > > > > -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#71987): https://edk2.groups.io/g/devel/message/71987 Mute This Topic: https://groups.io/mt/80647875/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-