[ECOS] Vr4131 porting issues

[Nick Garnett]

Andrew Lunn <andrew.lunn@ascom.ch> writes:

> > The first thing to note is that the vr4300 targets were all compiled
> > with a special version of the compiler, the mips64vr4300-elf
> > variant. The default eCos configuration assumes that compiler and GDB
> > to work properly.
> > 
> > I cannot recall now whether this was a build option for the
> > public version, or was a Cygnus/Red Hat internal target that was
> > shipped to NEC specifically for their customers.
> 
> Here is what the toolchain shipped to Ascom says. Does this help?
> 
> mips64vr4100el-elf-gcc -v
> Reading specs from /usr/local/pkg/plcuts/H686-mips64vr4100el-elf-1.5.2/lib/gcc-lib/mips64vr4100el-elf/2.96-ascom-011012/specs
> gcc version 2.96-ascom-011012
> 
> It's had some work done to it for a minor silicon bug. I don't think
> the work got put into the public sources because of NDA issues with
> NEC or something. From what i've been told, the actual chance of the
> bug causing problems is slim, so i don't think its that important.
> 

That's almost certainly a custom-made version. I don't know how much
of that code made it back into the public GCC, though.

Jurica, maybe you should try using a more recent GCC version, 3.2.1
say, plus the matching binutils and gdb and see if the
mips64vr4100el-elf target works for you.


-- 
Nick Garnett                    eCos Kernel Architect
http://www.ecoscentric.com/     The eCos and RedBoot experts


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