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
diff --git a/plat/common/aarch64/plat_common.c b/plat/common/aarch64/plat_common.c
index 851ed24..8ce1d6c 100644
--- a/plat/common/aarch64/plat_common.c
+++ b/plat/common/aarch64/plat_common.c
@@ -93,7 +93,7 @@
ERROR("Unhandled External Abort received on 0x%lx from %s\n",
read_mpidr_el1(), get_el_str(level));
ERROR("exception reason=%u syndrome=0x%" PRIx64 "\n", ea_reason, syndrome);
-#if HANDLE_EA_EL3_FIRST
+#if HANDLE_EA_EL3_FIRST_NS
/* Skip backtrace for lower EL */
if (level != MODE_EL3) {
console_flush();