The space defined by size of the L1 table can not overlap with ISH header. For other cases, the size defines the directory and its content. The PSP spec does not say it quite clearly. This change is partly based on guess and can make extraction tool work so far. Change-Id: Id4fbc6d57d7ea070a9478649a96af92be9441289 Signed-off-by: Zheng Bao <fishbaozi@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/78274 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Felix Held <felix-coreboot@felixheld.de>