On Fri, 16 Oct 2020 at 22:07, Richard Henderson
wrote:
>
> On ARM, the Top Byte Ignore feature means that only 56 bits of
> the address are significant in the virtual address. We are
> required to give the entire 64-bit address to FAR_ELx on fault,
> which means that we do not "clean" the top
On ARM, the Top Byte Ignore feature means that only 56 bits of
the address are significant in the virtual address. We are
required to give the entire 64-bit address to FAR_ELx on fault,
which means that we do not "clean" the top byte early in TCG.
This new interface allows us to flush all 256