Allow more flexibility by reading and writing to system registers at current
EL. Instead of specifying what _ELx register to write to, code can specify
_current.
BUG=chrome-os-partner:31634
BRANCH=None
TEST=Compiles and boots to kernel on ryu
Change-Id: Ic1d9e18e6fc016a04f17621a148e62d6cbd04ce7
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://chromium-review.googlesource.com/214577
Tested-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Commit-Queue: Furquan Shaikh <furquan@chromium.org>
6d4d07e26f