What does rmo/tce stand for in powerpc?

[Scott Wood]

On 11/02/2011 06:17 AM, Ryan Wang wrote:
> 
> 
> 2011/11/2 Nishanth Aravamudan <nacc at us.ibm.com <mailto:nacc at us.ibm.com>>
> 
>     Hi Ryan,
> 
>     On 01.11.2011 [14:25:43 +0800], Ryan Wang wrote:
>     > Hi,
>     >
>     > In kernel source comments, I saw the words:
>     > ''
>     >
>     > alloc_top is set to the top of RMO, eventually shrink down if the
>     > <http://lxr.linux.no/linux+*/arch/powerpc/kernel/prom_init.c#L972
>     <http://lxr.linux.no/linux+*/arch/powerpc/kernel/prom_init.c#L972>>TCEs
>     > overlap
>     >
>     > ''
>     >
>     > I wonder what does RMO mean, and TCE?
> 
>     RMO = Real Mode Offset -- deprecated in terms of Real Mode Area in PAPR.
> 
>     TCE = Translation Control Entry
> 
>     You should be able to find descriptions of both in PAPR.
> 
> 
> Thanks Nish!
> 
> But I searched <Power.orgTM Standard for Embedded Power ArchitectureTM
> Platform Requirements> and failed to found the concept RMO or Real Mode
> Offset.
> 
> Will you please give me some hints to the docs？Thanks,

ePAPR and PAPR are not the same thing.

It looks like PAPR is only available to power.org members.

-Scott