[OpenBIOS] Latest SPARC64 & Milax update
blauwirbel at gmail.com
Sun Jan 3 13:00:11 CET 2010
On Sun, Jan 3, 2010 at 10:12 AM, Mark Cave-Ayland
<mark.cave-ayland at siriusit.co.uk> wrote:
> Blue Swirl wrote:
>>>> Have we verified that OpenBios can jump to a SPARC ELF file?
>>> Hmmm no - looking at the PPC code for the go word it seems that we need
>>> someone who owns a copy of the IEEE-1275 bindings for SPARC and who is
>>> proficient in SPARC assembler to implement this :(
>> Which bindings? http://playground.sun.com/1275/home.html gives a SPARC
>> binding but that is for V8.
> I think that will do; at least it should contain enough information to work
> on the saved-program-state and the interaction between the client image and
> OF. Alas it's quite far out of my sphere of knowledge though.
Looking at SILO and Linux usage, It looks like OF entry point needs to
be in %o4 and %o0 must be zero.
But start_client_image() already handles this, except for zero %o0.
> Igor has suggested a C version in his previous email, although again I don't
> really know enough about SPARC to know if this is valid or not.
Looks OK, though I don't again see any difference.
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