[U-Boot-Users] ppc440gx

[Ralph Siemsen]

Barbier, Renaud (GE Infrastructure) wrote:

> kgdb: handle_exception; trap [0xb00]
> 
> I am not sure what is the source of this exception. (decrementer should be 0x900)
> 
> Before that I was getting exception 0x500(external interrupt) and trace it to the UIC registers(polarity, trigger,...) being cleared (where?).
> So I restore their value in interrrupt_init_cpu.  

My numbers don't quite agree with yours... but I think you might be 
seeing "Fixed Interval Timer" as the source of the exception.  Sounds 
like you are enabling interrupts before the handlers have been registered.

Just a guess, probably others know better...
-Ralph