[OpenBIOS] [sparc64] Problematic pci at 0 and pci nodes in the device tree

Blue Swirl blauwirbel at gmail.com
Sat Jan 24 09:51:26 CET 2009

On 1/22/09, Mark Cave-Ayland <mark.cave-ayland at siriusit.co.uk> wrote:
> Hi Blue Swirl,
>  > First, you need binutils and gcc. For cross compiling I'd recommend
>  > sparc64-elf target, then you avoid a lot of unneeded Linux
>  > headers/libgcc stuff. At least binutils 2.18 and gcc 4.2.4 build
>  > working binaries. I still don't have a working cross gdb for Sparc64,
>  > the obvious configuration (--target=sparc64-elf) doesn't work.
>  I now have a cross-compile environment setup after a lot of effort. The
> hardest part was building a cross-gdb for Sparc64 as all I ever received was
> the "Reply packet too long error".
>  I ended up spending about half a day going through the gdb sources until I
> found that unless you specify a platform with configure when you come to
> build gdb, the extra 64-bit register sets don't get built in!
>  In the end, I went for "./configure --target=sparc64-linux" and magically
> everything started to work. If I build and install the non-stripped Sparc64
> OpenBIOS built-in image, I can then do this:

Thanks, that was the trick! Now I also have a working cross gdb for Sparc64.

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