Since the NMI interrupt source on 88110 is, well, non maskable, it is possible to receive it during autoconf.
Since the NMI interrupt source on 88110 is, well, non maskable, it is
possible to receive it during autoconf.

In this case, do not enable _other_ interrupts while we are servicing it.

Note that, on the MVME197, since we are using the BUG for console output
during autoconf, it is still possible to abort the bootstrap and return
to the BUG with the NMI/ABORT switch.

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars