<br><br><div class="gmail_quote">2011/11/2 Nishanth Aravamudan <span dir="ltr"><<a href="mailto:nacc@us.ibm.com">nacc@us.ibm.com</a>></span><br><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
Hi Ryan,<br>
<div class="im"><br>
On 01.11.2011 [14:25:43 +0800], Ryan Wang wrote:<br>
> Hi,<br>
><br>
> In kernel source comments, I saw the words:<br>
> ''<br>
><br>
> alloc_top is set to the top of RMO, eventually shrink down if the<br>
</div>> <<a href="http://lxr.linux.no/linux+*/arch/powerpc/kernel/prom_init.c#L972" target="_blank">http://lxr.linux.no/linux+*/arch/powerpc/kernel/prom_init.c#L972</a>>TCEs<br>
<div class="im">> overlap<br>
><br>
> ''<br>
><br>
> I wonder what does RMO mean, and TCE?<br>
<br>
</div>RMO = Real Mode Offset -- deprecated in terms of Real Mode Area in PAPR.<br>
<br>
TCE = Translation Control Entry<br>
<br>
You should be able to find descriptions of both in PAPR.<br></blockquote><div><br>Thanks Nish!<br><br>But I searched <Power.orgTM Standard for Embedded Power ArchitectureTM Platform Requirements> and failed to found the concept RMO or Real Mode Offset.<br>
<br>Will you please give me some hints to the docs£¿Thanks,<br><br> <br></div><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<br>
Thanks,<br>
Nish<br>
<font color="#888888"><br>
--<br>
Nishanth Aravamudan <<a href="mailto:nacc@us.ibm.com">nacc@us.ibm.com</a>><br>
IBM Linux Technology Center<br>
<br>
</font></blockquote></div><br>