Re: [Qemu-ppc] [Qemu-devel] [PATCH 3/5] target-ppc: Build error log

[Aravinda Prasad]

On Thursday 28 August 2014 04:03 PM, Benjamin Herrenschmidt wrote:
> On Thu, 2014-08-28 at 12:29 +0200, Alexander Graf wrote:
>>
>> On 28.08.14 12:21, Benjamin Herrenschmidt wrote:
>>> On Thu, 2014-08-28 at 10:36 +0200, Alexander Graf wrote:
>>>
>>>> So why not put it at 0x7000 then?
>>>
>>> Because PAPR says it has to be inside RTAS iirc
>>
>> Please show me the section of PAPR that does say so.
> 
> Actually, we should probably support both options:
> 
> PAPR V2.7
> 
> 7.3.14 Firmware Assisted Non-Maskable Interrupts Option (FWNMI)
> 
> <<
> The difference between ibm,nmi-register and ibm,nmi-register-2 is that
> ibm,nmi-register allocates the error reporting
> structure in RTAS space while ibm,nmi-register-2 places the error
> reporting structure in real page 7. New OS designs
> should use ibm,nmi-register since support for ibm,nmi-register-2 will be
> terminated at some future date.

Should we avoid having error log in 0x7000? As per above only
ibm,nmi-register-2 places error log in 0x7000 which will be terminated
in future?

>>>
> 
> Cheers,
> Ben.
> 
> 
> 

-- 
Regards,
Aravinda