Re: What does rmo/tce stand for in powerpc?
From: Scott Wood <hidden>
Date: 2011-11-02 19:20:10
On 11/02/2011 06:17 AM, Ryan Wang wrote:
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2011/11/2 Nishanth Aravamudan <nacc@us.ibm.com <mailto:nacc@us.ibm.com>=
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Hi Ryan,
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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?
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RMO =3D Real Mode Offset -- deprecated in terms of Real Mode Area i=n PAPR.
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TCE =3D Translation Control Entry
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You should be able to find descriptions of both in PAPR.
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Thanks Nish!
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But I searched <Power.orgTM Standard for Embedded Power ArchitectureTM
Platform Requirements> and failed to found the concept RMO or Real Mode
Offset.
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Will you please give me some hints to the docs=EF=BC=9FThanks,ePAPR and PAPR are not the same thing. It looks like PAPR is only available to power.org members. -Scott