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Re: patch for DS3100/DS2100 16.61/12.45 Bogomips

To: linux-mips
Subject: Re: patch for DS3100/DS2100 16.61/12.45 Bogomips
From: Frieder Streffer <>
Date: Fri, 18 Apr 1997 10:25:06 +0200 (MET DST)
In-reply-to: <>

On Fri, 18 Apr 1997, Systemkennung Linux wrote:

> Hi,
> > here the patch for the smallest DECstations.
> > Well, it gets a little further than the calibrate_delay().
> > The hardware setup is done completely without the PROM. 
> > Also included are the console code of Michael Engel and most of the patch 
> > of Harald Koerfgen.
> > Hope that the CPU and FPU detection routine is applicable to any MIPS 
> > machine. For the moment it resides in arch/mips/dec/decstation.c.
> As of development source tree the generic parts of the kernel know how to
> detect different CPU types.  Still not much of FPU detection - practically
> every MIPS configuration has a FPU.
> > The memory detection relies on the dbe exception when reading as 
> > physically non-existing memory location. This should be ok, hopefully, 
> > for all DECstation. I could only test the code on some DS3100/DS2100.
> > I altered arch/mips/dec/int-handler.S quite a bit, and I'm pretty shure 
> > that it'll not run on other machines, but it might be enough to correct 
> > the jump table.
> > P.S. patch is uuencoded and generated with diff -a -r -N
> Frieder, could you regenerate the patch as context diff (-urN) or unified
> context diff (-urN)?  You sent an ed style diff which are really hard
> to read, let alone to integrate into an changed source base.
>   Ralf
Hi Ralf,
yes I will provide the context diff (-urN), but that won't be before 
Just a short question, where do i find the CPU detection routine that you 



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