From d19f2abd9391b1a39c098daffe9c9825e27f8b11 Mon Sep 17 00:00:00 2001 From: Ilias Apalodimas <ilias.apalodimas@linaro.org> Date: Mon, 13 Sep 2021 12:54:08 +0300 Subject: [PATCH] Clarify rollback counter updates Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org> --- source/chapter3-fwupdate.rst | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/source/chapter3-fwupdate.rst b/source/chapter3-fwupdate.rst index 9d4f4d0..da8e98a 100644 --- a/source/chapter3-fwupdate.rst +++ b/source/chapter3-fwupdate.rst @@ -118,8 +118,10 @@ Post-capsule install reboot success #. If all image tests pass correctly the OS exists the FW update procedure #. OS install the image acceptance capsule when all acceptance tests pass #. Firmware processes the image acceptance capsule and updates the boot bank -#. On the next reboot BL2 will detect the new version (rollback counter < fw - rollback counter). It must then update the rollback counters accordingly. +#. Rollback counter updates + * If BL33 can update the rollback counter(s) directly, it should do it on the fly + * Otherwise, on the next reboot BL2 must detect the new version + (rollback counter < fw rollback counter)and update the rollback counter(s) accordingly. Post-capsule install reboot fails before UEFI --------------------------------------------- -- GitLab