[PATCH v4] Make instruction dumping work in real mode.

[Scott Wood]

Michael Ellerman wrote:
> On Thu, 2007-09-27 at 13:38 -0500, Scott Wood wrote:
>> On non-book-E-or-4xx, exceptions execute in real mode.  If a fault happens
>> that leads to a register dump, the kernel currently prints XXXXXXXX because
>> it doesn't realize that PC is a physical address.
>>
>> This patch checks the state of the IMMU, and if necessary converts PC into a
>> virtual address.
> 
> IMMU ?

Instruction Memory Management Unit.

-Scott