diff options
| author | Arthur Heymans <arthur@aheymans.xyz> | 2021-03-29 14:23:53 +0200 |
|---|---|---|
| committer | Arthur Heymans <arthur@aheymans.xyz> | 2021-05-06 08:26:41 +0000 |
| commit | 6f8e9443aa55ad27045fb437fd8df3386d66ba3e (patch) | |
| tree | 32d21070ab5343979b6f95bae77567d26d6230d6 /src/security/tpm/Kconfig | |
| parent | 59a621abc70464352eaf540bd6cb896935b9ba72 (diff) | |
security/tpm: Add option to init TPM in bootblock
When using a hardware assisted root of trust measurement, like Intel
TXT/CBnT, the TPM init needs to happen inside the bootblock to form a
proper chain of trust.
Change-Id: Ifacba5d9ab19b47968b4f2ed5731ded4aac55022
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/51923
Reviewed-by: Christian Walter <christian.walter@9elements.com>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/security/tpm/Kconfig')
| -rw-r--r-- | src/security/tpm/Kconfig | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/security/tpm/Kconfig b/src/security/tpm/Kconfig index e1255d1680..13bef06985 100644 --- a/src/security/tpm/Kconfig +++ b/src/security/tpm/Kconfig @@ -106,6 +106,14 @@ config TPM_MEASURED_BOOT help Enables measured boot (experimental) +config TPM_MEASURED_BOOT_INIT_BOOTBLOCK + bool + depends on TPM_MEASURED_BOOT && !VBOOT + help + Initialize TPM inside the bootblock instead of ramstage. This is + useful with some form of hardware assisted root of trust + measurement like Intel TXT/CBnT. + config TPM_MEASURED_BOOT_RUNTIME_DATA string "Runtime data whitelist" default "" |