fix(el3-runtime): restrict lower el EA handlers in FFH mode
This patch does following changes to restrict handling of lower EL
EA's only if FFH mode is enabled.
- Compile ea_delegate.S only if FFH mode is enabled.
- For Sync exception from lower ELs if the EC is not SMC or SYS reg
trap it was assumed that it is an EA, which is not correct. Move
the known Sync exceptions (EL3 Impdef) out of sync EA handler.
- Report unhandled exceptions if there are SError from lower EL in
KFH mode, as this is unexpected.
- Move code out of ea_delegate.S which are used for KFH mode.
Signed-off-by: Manish Pandey <manish.pandey2@arm.com>
Change-Id: I577089677d0ec8cde7c20952172bee955573d2ed
4 files changed