commit 0e3379d23decf5f200ecde6b5cd133926ad40e91
author Manish Pandey <manish.pandey2@arm.com> Mon Oct 10 11:43:08 2022 +0100
committer Manish Pandey <manish.pandey2@arm.com> Tue Nov 08 10:10:59 2022 +0000
tree 44b1fc1e4e79fd83470e2212e7a28461c1a8c8f7
parent 2ff5dc3c212eb144a91f1ad896481b83e292a866

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

plat/ti/k3/common/plat_common.mk

diff --git a/plat/ti/k3/common/plat_common.mk b/plat/ti/k3/common/plat_common.mk
index e299c30..026d6a3 100644
--- a/plat/ti/k3/common/plat_common.mk
+++ b/plat/ti/k3/common/plat_common.mk
@@ -27,7 +27,7 @@
 ERRATA_A72_1319367	:=	1
 
 CRASH_REPORTING		:= 1
-HANDLE_EA_EL3_FIRST	:= 1
+HANDLE_EA_EL3_FIRST_NS	:= 1
 
 # Split out RO data into a non-executable section
 SEPARATE_CODE_AND_RODATA :=    1