Andre Przywara b8f03d29e1 refactor(cpufeat): enable FEAT_ECV for FEAT_STATE_CHECKED ... At the moment we only support FEAT_ECV to be either unconditionally compiled in, or to be not supported at all. Add support for runtime detection (ENABLE_FEAT_ECV=2), by splitting is_feat_ecv_present() into an ID register reading function and a second function to report the support status. That function considers both build time settings and runtime information (if needed), and is used before we access the CNTPOFF_EL2 system register. Also move the context saving code from assembly to C, and use the new is_feat_ecv_supported() function to guard its execution. Change the FVP platform default to the now supported dynamic option (=2), so the right decision can be made by the code at runtime. Change-Id: I4acd5384929f1902b62a87ae073aafa1472cd66b Signed-off-by: Andre Przywara <andre.przywara@arm.com>		2023-03-22 13:33:22 +00:00
..
aarch32	refactor(cpufeat): enable SYS_REG_TRACE for FEAT_STATE_CHECKED	2023-03-22 13:33:22 +00:00
aarch64	refactor(cpufeat): enable FEAT_ECV for FEAT_STATE_CHECKED	2023-03-22 13:33:22 +00:00