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| author | Stefan Berger <stefanb@linux.ibm.com> | 2021-07-08 17:36:55 -0400 |
|---|---|---|
| committer | Alexey Kardashevskiy <aik@ozlabs.ru> | 2021-07-11 23:32:28 +1000 |
| commit | 6c0fcd9f3085814b808d18aa81ae6669063ea33b (patch) | |
| tree | 1b699115f53b45d3ea10d1823307f06cd30d88b3 /lib/libtpm/tpm.code | |
| parent | 52dcdb5421a976e41951f05ec2fd247fee154e6c (diff) | |
| download | SLOF-6c0fcd9f3085814b808d18aa81ae6669063ea33b.zip SLOF-6c0fcd9f3085814b808d18aa81ae6669063ea33b.tar.gz SLOF-6c0fcd9f3085814b808d18aa81ae6669063ea33b.tar.bz2 | |
tpm: Add firmware API call 2HASH-EXT-LOG
Add a new firmware API call with the name 2HASH-EXT-LOG that will be used
by trusted grub for measuring, logging, and extending TPM PCRs.
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Diffstat (limited to 'lib/libtpm/tpm.code')
| -rw-r--r-- | lib/libtpm/tpm.code | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/lib/libtpm/tpm.code b/lib/libtpm/tpm.code index d67d2c3..f5e1d39 100644 --- a/lib/libtpm/tpm.code +++ b/lib/libtpm/tpm.code @@ -188,3 +188,21 @@ PRIM(tpm_X2d_hash_X2d_log_X2d_extend_X2d_event_X2d_buffer) data, datalen, desc, desclen, is_elf); MIRP + +/****************************************************************************************/ +/* Firmware API */ +/* SLOF: tpm-2hash-ext-log ( pcr event-type info info-len data data-len -- success? ) */ +/* LIBTPM: success = tpm-2hash-ext-log */ +/****************************************************************************************/ +PRIM(tpm_X2d_2hash_X2d_ext_X2d_log) + uint32_t datalen = TOS.u; POP; + const void *data = TOS.a; POP; + uint64_t infolen = TOS.u; POP; + const char *info = TOS.a; POP; + uint32_t eventtype = TOS.u; POP; + uint32_t pcrindex = TOS.u; + + TOS.u = tpm_2hash_ext_log(pcrindex, eventtype, + info, infolen, + data, datalen); +MIRP |