f4a6f63999
In preparation for introducing an implementation of the EFI memory attributes protocol that is shared between ARM and AArch64, unify the existing code that converts a page table descriptor into a EFI_MEMORY_xx bitfield, so it can be called from the generic code. Signed-off-by: Ard Biesheuvel <ardb@kernel.org> Reviewed-by: Leif Lindholm <quic_llindhol@quicinc.com>