On 21-01-18 20:53:24, Klaus Jensen wrote: > On Jan 18 21:59, Minwoo Im wrote: > > > The spec requires aligned 32 bit accesses (or the size of the register), > > > so maybe it's about time we actually ignore instead of falling through. > > > > Agreed. > > > > On the other hand. > > The spec just allows undefined behavior if the alignment or size > requirement is violated. So falling through is not wrong.
If so, maybe we just can make this MMIO region support under 4bytes access with error messaging. I don't think we should not support them on purpose because spec says it just results in undefined behaviors which is just undefined how to handle them.
