x86: add common definitions for control registers
The access to control registers were scattered about.
Provide a single header file to provide the correct
access function and definitions.
TEST=Built and booted using this infrastructure. Also objdump'd the
assembly to ensure consistency (objdump -d -r -S | grep xmm).
Signed-off-by: Aaron Durbin <email@example.com>
Reviewed-by: Stefan Reinauer <firstname.lastname@example.org>
4 files changed