tree 44b1fc1e4e79fd83470e2212e7a28461c1a8c8f7
parent 0ae4a3a3f0cd841b83f2944dde9837ea67f08813
author Manish Pandey <manish.pandey2@arm.com> 1665398588 +0100
committer Manish Pandey <manish.pandey2@arm.com> 1667902259 +0000

fix(ras): restrict RAS support for NS world

Current RAS framework in TF-A only supports handling errors originating
from NS world but the HANDLE_EA_EL3_FIRST flag configures it for all
lower Els. To make the current design of RAS explicit, rename this macro
to HANDLE_EA_EL3_FIRST_NS and set EA bit in scr_el3 only when
switching to NS world.

Note: I am unaware of any platform which traps errors originating in
Secure world to EL3, if there is any such platform then it need to
be explicitly implemented in TF-A

Signed-off-by: Manish Pandey <manish.pandey2@arm.com>
Change-Id: If58eb201d8fa792c16325c85c26056e9b409b750