Re: Trying to boot Vaxstation using mopd

[Paul Koning <paulkoning%comcast.net@localhost>]

> On Jun 7, 2016, at 2:19 PM, Greg Stark <stark%mit.edu@localhost> wrote:
> 
> On Tue, Jun 7, 2016 at 6:58 PM, Greg Stark <stark%mit.edu@localhost> wrote:
>> Either might work.  I can try objcopying the netbsd.vax kernel to a.out
>> format but I suspect it would be more likely to work if I could get mop
>> image of the modern bootloader that understands elf kernels.
> 
> Fwiw, no, objcopying the netbsd.vax kernel isn't going to work unless
> I build an objcopy that support VAX NetBSD file formats. The native
> Linux objcopy only supports a set of binary formats that doesn't
> include either Vax a.out or Vax ELF. 

Correct.  But a cross-build of binutils (of which objcpy is part) may be as simple as unpacking the sources and saying "./configure --target=netbsdelf-vax; make".  A cross-gcc is a bit of work, but cross-binutils is easy as I recall.

	paul