Re: [PATCH v2 0/5] ArmVirtPkg: implement measured boot for ArmVirtQemu

["Ard Biesheuvel" <ard.biesheuvel@linaro.org>]

On Tue, 25 Feb 2020 at 11:45, Ard Biesheuvel <ard.biesheuvel@linaro.org> wrote:
>
> Wire up the various existing pieces so that we can implement measured
> boot on ArmVirtQemu based on the TPM support in QEMU, just like it has
> been implemented for x86 in OvmfPkg.
>
> The main difference is that on ARM, we first need to discover the TPM base
> address from the device tree provided by QEMU, as well as the PSCI method
> used to perform a cold reset.
>
> Changes since v1:
> - use a separate ResetSystemLib instance based on on-demand parsing of the
>   DT, and expose it via the ResetSystem PPI to other client PEIMs
> - add Laszlo's ack to #1
> - incorporate Laszlo's review feedback across the board
>

Forgot to include the link to the QEMU work being done by Eric in parallel:

https://lists.nongnu.org/archive/html/qemu-devel/2020-02/msg03830.html


> Cc: lersek@redhat.com
> Cc: eric.auger@redhat.com
> Cc: philmd@redhat.com
> Cc: marcandre.lureau@redhat.com
> Cc: stefanb@linux.ibm.com
> Cc: leif@nuviainc.com
>
> Ard Biesheuvel (5):
>   OvmfPkg/Tcg2ConfigPei: introduce a signalling PPI to depex on
>   ArmVirtPkg/PlatformPeiLib: make PcdLib dependency explicit in .INF
>   ArmVirtPkg/PlatformPeiLib: discover the TPM base address from the DT
>   ArmVirtPkg: implement ArmVirtPsciResetSystemPeiLib
>   ArmVirtPkg/ArmVirtQemu: add optional support for TPM2 measured boot
>
>  ArmVirtPkg/ArmVirt.dsc.inc                    |   6 +
>  ArmVirtPkg/ArmVirtPkg.dec                     |   6 +
>  ArmVirtPkg/ArmVirtQemu.dsc                    |  75 ++++++
>  ArmVirtPkg/ArmVirtQemu.fdf                    |   6 +
>  ArmVirtPkg/ArmVirtQemuFvMain.fdf.inc          |  10 +
>  .../ArmVirtPsciResetSystemPeiLib.c            | 232 ++++++++++++++++++
>  .../ArmVirtPsciResetSystemPeiLib.inf          |  39 +++
>  .../Library/PlatformPeiLib/PlatformPeiLib.c   | 101 +++++++-
>  .../Library/PlatformPeiLib/PlatformPeiLib.inf |  20 +-
>  OvmfPkg/OvmfPkg.dec                           |   5 +
>  OvmfPkg/Tcg/Tcg2Config/Tcg2ConfigPei.inf      |   6 +-
>  11 files changed, 491 insertions(+), 15 deletions(-)
>  create mode 100644 ArmVirtPkg/Library/ArmVirtPsciResetSystemPeiLib/ArmVirtPsciResetSystemPeiLib.c
>  create mode 100644 ArmVirtPkg/Library/ArmVirtPsciResetSystemPeiLib/ArmVirtPsciResetSystemPeiLib.inf
>
> --
> 2.17.1
>