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authorWerner Zeh <werner.zeh@siemens.com>2022-05-19 10:01:37 +0200
committerFelix Held <felix-coreboot@felixheld.de>2022-05-24 13:45:15 +0000
commit859305d45762d8499b4100765d3a7bd954038c73 (patch)
tree243eac3ff3a09f27f5d9f43c561562266f2d3db9 /LICENSES/MIT.txt
parent5c808e03e2d80edd9ecd6a2a9268152b477940b6 (diff)
soc/intel/apollolake: Measure bootblock from IFWI
On Apollo Lake the bootblock is stitched into the IBBL IFWI region at build time. At execution time TXE loads this IBBL into a shared SRAM (which is read-only in this phase) and maps it at 4 GiB - 32 KiB. Then the CPU starts to operate from this shared SRAM as it were flash space. In order to provide a reliable CRTM init, the real executed bootblock code needs to be measured into TPM if VBOOT is selected. This patch adds the needed code to do this. Change-Id: Ifb3f798de638a85029ebfe0d1b65770029297db3 Signed-off-by: Werner Zeh <werner.zeh@siemens.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/64493 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
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