On Wed, Jan 29, 2025 at 04:06:03PM +1000, Nicholas Piggin wrote:

Does wait cause MSR[EE] to be set? If not, do you need to use
prep_irq_for_idle_irqsoff() here maybe?

Assuming this does implement the standard ISA 2.03 wait instruction
(and it better), this does not do anything other than to stop fetching
and execution until some later event happens.

What values of the WC field does uwatt implement?


Segher