diff options
| author | Raul E Rangel <rrangel@chromium.org> | 2018-05-11 11:08:07 -0600 |
|---|---|---|
| committer | Philipp Deppenwiese <zaolin.daisuki@gmail.com> | 2018-05-13 10:08:42 +0000 |
| commit | 4c518e18e358d927b1f9080c016c988a67dc4500 (patch) | |
| tree | 8e2e07201b6e2b57a7462bbcf4ed02c7ee3895a9 /src/security/vboot | |
| parent | 38686f15dd57745e24f100797db33a84e65f7ec7 (diff) | |
timestamp: Add timestamps for TPM communication
On grunt these operations combined take a little over 37ms.
BUG=b:64549506
TEST=built on grunt
511:starting TPM PCR extend 301,268 (598)
512:finished TPM PCR extend 326,710 (25,442)
513:starting locking TPM 326,716 (6)
514:finished locking TPM 339,517 (12,801)
Change-Id: I05cfb3d0f8463f073e329a035484a340546649e1
Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Reviewed-on: https://review.coreboot.org/26218
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/security/vboot')
| -rw-r--r-- | src/security/vboot/vboot_logic.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/security/vboot/vboot_logic.c b/src/security/vboot/vboot_logic.c index 9221a12ca2..2600f84945 100644 --- a/src/security/vboot/vboot_logic.c +++ b/src/security/vboot/vboot_logic.c @@ -403,6 +403,7 @@ void verstage_main(void) vboot_reboot(); } + timestamp_add_now(TS_START_TPMPCR); rv = extend_pcrs(&ctx); if (rv) { printk(BIOS_WARNING, "Failed to extend TPM PCRs (%#x)\n", rv); @@ -410,8 +411,11 @@ void verstage_main(void) save_if_needed(&ctx); vboot_reboot(); } + timestamp_add_now(TS_END_TPMPCR); /* Lock TPM */ + + timestamp_add_now(TS_START_TPMLOCK); rv = antirollback_lock_space_firmware(); if (rv) { printk(BIOS_INFO, "Failed to lock TPM (%x)\n", rv); @@ -419,6 +423,7 @@ void verstage_main(void) save_if_needed(&ctx); vboot_reboot(); } + timestamp_add_now(TS_END_TPMLOCK); /* Lock rec hash space if available. */ if (IS_ENABLED(CONFIG_VBOOT_HAS_REC_HASH_SPACE)) { |