I'd like to propose adding EFI_MP_SERVICES_PROTOCOL support for
AARCH64 systems. I've attached two patches to implement support for it
in the DXE phase, based on code in EmulatorPkg and UefiCpuPkg. It's added
under ArmPkg for now, but longer term it should probably be moved into
UefiCpuPkg.
Patch
On Thu, 7 Oct 2021 at 13:02, Leif Lindholm wrote:
>
> On Thu, Oct 07, 2021 at 12:03:30 +0200, Ard Biesheuvel wrote:
> > On Thu, 7 Oct 2021 at 11:41, Leif Lindholm wrote:
> > >
> > > Ard/Sami - any comments?
> > >
> >
> > The code changes by itself look fine to me. The only problem I see is
> > th
+Samer
On Fri, Oct 8, 2021 at 3:51 PM Ard Biesheuvel wrote:
> > > So either we severely constrain the kind of code that we permit to run
> > > on other cores, or we enable the MMU and caches on each core as it
> > > comes out of reset, as well as do any other CPU specific
> > > initialization th
> In PI, the only references I find to the protocol are in MM and SAL protocols.
> And we're not even looking at EFI_MP_SERVICES_PPI at this point.
The PI 1.7 spec defined the EFI_MP_SERVICES_PROTOCOL in page 2-180, with the
PPI and MM versions in 1-193 and 4-57 respectively.
> But it might be
On 9/28/21 5:14 AM, Leif Lindholm wrote:
On Fri, Sep 24, 2021 at 20:17:50 -0600, Rebecca Cran wrote:
I'd like to propose adding EFI_MP_SERVICES_PROTOCOL support for
AARCH64 systems. I've attached two patches to implement support for it
in the DXE phase, based on code in EmulatorPkg and UefiCpuP
On Fri, Sep 24, 2021 at 20:17:50 -0600, Rebecca Cran wrote:
> I'd like to propose adding EFI_MP_SERVICES_PROTOCOL support for
> AARCH64 systems. I've attached two patches to implement support for it
> in the DXE phase, based on code in EmulatorPkg and UefiCpuPkg. It's added
> under ArmPkg for now,
Ard/Sami - any comments?
/
Leif
On Tue, Sep 28, 2021 at 12:14:35 +0100, Leif Lindholm wrote:
> On Fri, Sep 24, 2021 at 20:17:50 -0600, Rebecca Cran wrote:
> > I'd like to propose adding EFI_MP_SERVICES_PROTOCOL support for
> > AARCH64 systems. I've attached two patches to implement support fo
On Thu, 7 Oct 2021 at 11:41, Leif Lindholm wrote:
>
> Ard/Sami - any comments?
>
The code changes by itself look fine to me. The only problem I see is
that we cannot run arbitrary code on other cores with the MMU off,
given that in that case, they don't comply with the UEFI AArch64
platform requi
On Thu, Oct 07, 2021 at 12:03:30 +0200, Ard Biesheuvel wrote:
> On Thu, 7 Oct 2021 at 11:41, Leif Lindholm wrote:
> >
> > Ard/Sami - any comments?
> >
>
> The code changes by itself look fine to me. The only problem I see is
> that we cannot run arbitrary code on other cores with the MMU off,
> g
