diff options
author | Simon Glass <sjg@chromium.org> | 2011-12-20 10:42:31 -0800 |
---|---|---|
committer | Simon Glass <sjg@chromium.org> | 2012-01-05 19:19:29 -0800 |
commit | d44f5f509403db4122ed0b4fc612904b172d2bb5 (patch) | |
tree | 96b727113da8795ca4f4753e19231fedb6ae6746 | |
parent | 86e63e0fe2ed12a5e2dcb0c8b3e4b6f074de558f (diff) |
Add bootstage timing to TPM operations
Records the total time taken by TPM operations for display as part of the
bootstage report.
BUG=chromium-os:22938
TEST=build and boot on Kaen
Change-Id: I7ce6efa3c2bb90858d17ab6613724e6ae73d918b
Reviewed-on: https://gerrit.chromium.org/gerrit/13371
Commit-Ready: Simon Glass <sjg@chromium.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Simon Glass <sjg@chromium.org>
-rw-r--r-- | include/bootstage.h | 2 | ||||
-rw-r--r-- | lib/vbexport/tlcl_stub.c | 7 |
2 files changed, 8 insertions, 1 deletions
diff --git a/include/bootstage.h b/include/bootstage.h index 5ae5d1d7122..72a3e85d602 100644 --- a/include/bootstage.h +++ b/include/bootstage.h @@ -46,6 +46,8 @@ enum bootstage_id { BOOTSTAGE_MAIN_CPU_AWAKE, BOOTSTAGE_MAIN_CPU_READY, + BOOTSTAGE_TPM_SEND_RECV, + /* a few spare for the user, from here */ BOOTSTAGE_USER, diff --git a/lib/vbexport/tlcl_stub.c b/lib/vbexport/tlcl_stub.c index 63e70bc2e96..241bceb1277 100644 --- a/lib/vbexport/tlcl_stub.c +++ b/lib/vbexport/tlcl_stub.c @@ -41,7 +41,12 @@ VbError_t VbExTpmOpen(void) VbError_t VbExTpmSendReceive(const uint8_t* request, uint32_t request_length, uint8_t* response, uint32_t* response_length) { - if (tis_sendrecv(request, request_length, response, response_length)) + int err; + + bootstage_start(BOOTSTAGE_TPM_SEND_RECV, "tpm_send_recv"); + err = tis_sendrecv(request, request_length, response, response_length); + bootstage_accum(BOOTSTAGE_TPM_SEND_RECV); + if (err) return TPM_E_IOERROR; return TPM_SUCCESS; } |