| # |
| # Copyright (c) 2021, Arm Limited. All rights reserved. |
| # |
| # SPDX-License-Identifier: BSD-3-Clause |
| # |
| # Expect script for Linux/Buildroot using Measured Boot & fTPM |
| # |
| |
| non_zero_pcr='(?!(\s00){16})((\s([0-9a-f]){2}){16}\s)' |
| |
| # Parse the event log from the debug logs and store the digests |
| # so they can be matched later with what the fTPM read. |
| |
| expect_string+=('m;Booting Trusted Firmware;Booting BL31;Digest(\s|\w)*:\s(\w{2}\s){16}@: (\w{2}\s){16}@Event(\s|\w)*:\s\w+\s') |
| |
| # Wait for the login prompt |
| expect_string+=('i;buildroot login:') |
| |
| # Load the fTPM driver and retrieves PCR0 |
| # Pass condition: PCR0 must not be all zeros. |
| expect_string+=("i;#;${non_zero_pcr};;root@ftpm") |
| |
| # Iterate over the rest of PCRs and check that they all are zeros. |
| zero_pcr="(\s00){16}\s+(00\s){16}" |
| for i in $(seq 1 11); do |
| expect_string+=("i;#;${zero_pcr};;pcrread -ha $i") |
| done |
| |