[PATCH v2 0/3] Add support for TPM Physical Presence interface

[Stefan Berger]

The following 3 patches add support for the TPM's Physical Presence
interface (PPI). The patches require the recently posted QEMU patch
for support of PPI (PATCH v2):

http://lists.nongnu.org/archive/html/qemu-devel/2018-01/msg03652.html

We assume a device at 0xfffe f000 - 0xfffe f3ff where the OS can write
a code into that SeaBIOS needs to find and act upon after a reboot.

Stefan

Stefan Berger (3):
  tcgbios: pass returnCode through many functions
  tcgbios: Add TPM Physical Presence interface support
  tcgbios: extend Physical Presence interface with more functions

src/hw/tpm_drivers.c |   8 +-
 src/hw/tpm_drivers.h |   2 +-
 src/post.c           |   4 +
 src/std/acpi.h       |  10 ++
 src/std/tcg.h        |  38 +++++++
 src/tcgbios.c        | 305 +++++++++++++++++++++++++++++++++++++++------------
 src/tcgbios.h        |   3 +
 7 files changed, 299 insertions(+), 71 deletions(-)