Merging 64 bit changes to -HEAD

[Jayachandran C.]

On Sun, Jun 27, 2010 at 8:20 PM, Jayachandran C.
<c.jayachandran at gmail.com> wrote:
> On Sun, Jun 27, 2010 at 4:00 PM, Luiz Otavio O Souza <lists.br at gmail.com> wrote:
>> On Jun 15, 2010, at 10:36 AM, Jayachandran C. wrote:
>>
>> ( ... )
>>>
>>> I've tested this on XLR, but there is a chance that this might break
>>> other platforms. So please let me know your comments on both the
>>> patches and the merge process.
>>>
>>> The future patches (if everything goes well), will do the PTE_ flag to
>>> PG_ flag renaming in Juli's tree, then the actual n32/n64 changes.
>>>
>>> Thanks,
>>> JC.
>>
>> JC,
>>
>> I can't boot the ar71xx kernel after r209243:
>>
>> http://mips.pastebin.com/CBhe6hzR
>> http://pastebin.com/nrRdm1UF
>>
>> Everything works fine with the previous revision (r209048).
>>
>> If you need anything else, just let me know.
>
> Let me have a look at this, thanks for the report.

Can you enable 'TRAP_DEBUG' in sys/mips/mips/trap.c and see if you can
get the trap information printed.  Adding a line
#define TRAP_DEBUG
after all the #includes in trap.c should do it.  This should print the
pc, ra, and badvaddr which would help a lot in debugging.

In the meantime I will look at the code again and see if I can find
anything obviously wrong.

Thanks,
JC.