[PATCH v3 0/3] Improve U-Boot's TPM handling in the non-EFI case

[Simon Glass]

Hi Ludwig,

On Thu, 11 Jun 2026 at 10:18, Ludwig Nussel <ludwig.nussel at siemens.com> wrote:
>
> U-Boot might be the first component to start the event log, eg when
> used in qemu. So allocate and attach the TPM event log to the TPM
> device if not initialized yet. The address is copied into the device
> tree for the kernel so the event log is accessible from Linux
> userspace too.
>
> Changes in v3:
> - fix test failure
> - sync description with cover letter
>
> Changes in v2:
> - fix return value handling
> - imply DEVRES in config TPM
> - use fdt_getprop for reading property
> - don't wrap #include in #if
> - fix memory leak in error case of tcg2_log_prepare_buffer
> - handle NULL elog parameter in tcg2_measurement_term
> - use CONFIG_TPM2_EVENT_LOG_SIZE
> - pass log_size instead of position in dt
>
> Ludwig Nussel (3):
>   test: include mapmem.h explicitly
>   tpm: print all PCRs from pcr_read
>   tpm: allocate tpm event log if missing
>
>  boot/bootm.c               |  18 ++---
>  boot/image-fdt.c           |  69 ++++++++++++++++++++
>  cmd/tpm-v2.c               |  69 ++++++++++++++------
>  include/tpm-common.h       |   2 +
>  include/tpm_tcg2.h         |   9 +--
>  lib/Kconfig                |   1 +
>  lib/tpm_tcg2.c             | 130 +++++++++++++++++++++++++++++--------
>  test/boot/measurement.c    |   1 +
>  test/py/tests/test_tpm2.py |   9 +--
>  9 files changed, 242 insertions(+), 66 deletions(-)
>
> --
> 2.43.0
>
> base-commit: 3cdce049f90d77c3f9221f1eb73922384c8972c3
> branch: us-tpm3

Somehow this email did not seem to reach patchwork, so it missed the
cover-letter title.

Regards,
Simon