Re: mec and resets

[Michael Lorenz <macallan%netbsd.org@localhost>]

Hello,

On Mon, 4 Aug 2008 22:20:42 +0900
Izumi Tsutsui <tsutsui%ceres.dti.ne.jp@localhost> wrote:

> martin%duskware.de@localhost wrote:
> 
> > Can you break into ddb? (send a break on serial console, I actually
> > have no idea how to do it with a keyboard on sgimips)
> 
> According to sgimips/sgimips/cpu.c:cpu_intr(), it doesn't handle
> nested interrupts so we can't get ddb prompt if a running kernel
> sticks in interrupt handlers. (and it also causes watchdog reset)
> 
> Maybe we should make cpu_intr() platform specific like pmax..

Or adapt the interrupt handling scheme from arch/powerpc - in a way
crime's interrupt registers pretty closely resemble an old-style Apple
interrupt controller.

have fun
Michael