Hi,
> We can design 2 instances of CcProbe. One is to read the OvmfWorkArea. This
> is for SEC/PEI phase.
> The other is to save the guest type in Ovmf work area to a global variable in
> its init function. This is for DXE phase.
I mean this one.
take care,
Gerd
-=-=-=-=-=-=-=-=-=-=-=-
On August 25, 2022 3:42 PM, Gerd Hoffmann wrote:
> Hi,
>
> > > Runtime service call are restricted so that you don't have
> > > concurrent threads executing (see section 8.1 of the specification).
> > > Without that you would have problems with runtime services today.
> > >
> > One of the situat
Hi,
> > Runtime service call are restricted so that you don't have concurrent
> > threads
> > executing (see section 8.1 of the specification). Without that you would
> > have
> > problems with runtime services today.
> >
> One of the situation of CcProbe used is in BaseIoLib.
> https://github
On August 23, 2022 9:07 PM, Lendacky,Thomas wrote:
> On 8/23/22 03:40, Xu, Min M wrote:
> > On August 23, 2022 3:38 PM, Gerd Hoffmann wrote:
> >>Hi,
> >>
> >>> Ah, I forget to reserve the work-area as RT_Data in below code:
> >>>BuildMemoryAllocationHob (
> >>> (EFI_PHYSICAL_AD
On 8/23/22 03:40, Xu, Min M wrote:
On August 23, 2022 3:38 PM, Gerd Hoffmann wrote:
Hi,
Ah, I forget to reserve the work-area as RT_Data in below code:
BuildMemoryAllocationHob (
(EFI_PHYSICAL_ADDRESS)(UINTN)FixedPcdGet32
(PcdOvmfWorkAreaBase),
(UINT64)(UINTN)Fixe
On August 23, 2022 3:38 PM, Gerd Hoffmann wrote:
> Hi,
>
> > Ah, I forget to reserve the work-area as RT_Data in below code:
> > BuildMemoryAllocationHob (
> > (EFI_PHYSICAL_ADDRESS)(UINTN)FixedPcdGet32
> (PcdOvmfWorkAreaBase),
> > (UINT64)(UINTN)FixedPcdGet32 (PcdOvmfWorkA
Hi,
> Ah, I forget to reserve the work-area as RT_Data in below code:
> BuildMemoryAllocationHob (
> (EFI_PHYSICAL_ADDRESS)(UINTN)FixedPcdGet32 (PcdOvmfWorkAreaBase),
> (UINT64)(UINTN)FixedPcdGet32 (PcdOvmfWorkAreaSize),
> PlatformInfoHob->S3Supported ? EfiACPIMemor
On August 22, 2022 9:19 PM, Tom Lendacky wrote:
> On 8/21/22 21:23, Min Xu wrote:
> > From: Min M Xu
> >
> > BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3974
> >
> > Ovmf work-area (PcdOvmfWorkArea) was designed to store the
> > Confidential Computing guest information, including the CC gue
On August 22, 2022 4:52 PM, Gerd Hoffmann wrote:
> On Mon, Aug 22, 2022 at 10:23:01AM +0800, Min Xu wrote:
> > From: Min M Xu
> >
> > BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3974
> >
> > Ovmf work-area (PcdOvmfWorkArea) was designed to store the
> > Confidential Computing guest informat
On 8/21/22 21:23, Min Xu wrote:
From: Min M Xu
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3974
Ovmf work-area (PcdOvmfWorkArea) was designed to store the Confidential
Computing guest information, including the CC guest type. This
information will be probed by CcProbeLib so that the CC
On Mon, Aug 22, 2022 at 10:23:01AM +0800, Min Xu wrote:
> From: Min M Xu
>
> BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3974
>
> Ovmf work-area (PcdOvmfWorkArea) was designed to store the Confidential
> Computing guest information, including the CC guest type. This
> information will be
From: Min M Xu
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3974
Ovmf work-area (PcdOvmfWorkArea) was designed to store the Confidential
Computing guest information, including the CC guest type. This
information will be probed by CcProbeLib so that the CC guest type can
be determined in ru
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