[vmips] vmips and r3912 (vtech helio), what would be the difference?

[Brian R. Gaeke]

> Date: Sun, 21 Dec 2003 01:22:03 -0800
> Message-ID: <86ad5m34qs.wl at utweb.net>
> From: "John L.Utz III" <john at utzweb.net>
> To: vmips at dgate.org
> Subject: vmips and r3912 (vtech helio), what would be the difference?
> 
> Hi;
> 
> I have a vtech helio that i wish to ultimately use as a midi 'controller' and
> patch repository and whatnot.
> 
> toward that end, i wish to get the teensiest, tiniest linux kernel running on
> it.
> 
> the problem is that flashing a helio is a raging pain in the ass (among other
> things, it wants very fresh batteries or it runs out of voltage to drive the
> write cycle on the flash).
> 
> so, since we all know that programming tends to be Compile, Fiddle, Compile,
> and that embedded programming tends to be Compile, Flash, Reboot, Fiddle,
> Compile, it behooves me to invest the cycles in accurate emulation up front so
> that i only play with the hardware when i am confident that i have somethng
> that works.
> 
> so how accurately does vmips model a phillips r3912? if it's missing stuff,
> how does one go about defining what's missing and then implementing it?
> 
> and how does one map /opt/mips in configure to whatever toolchain one is
> using? i am currently using crosstool to build a mipsel chain, but i am unsure
> what portion of that chain equates to /opt/mips ( is this an SGI-ism?  we
> dont have /opt's on freebsd filesystems...)
> 
> tnx for any answers you can provide!
> 
> johnu
>