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Re: macppc vs evbppc binary packages
On Apr 18, 2012, at 9:29 AM, Greg Troxel wrote:
> We are trying to build packages on some evbppc systems (under
> -6/current) and finding them a bit crashy under load. So I am wondering
> to what extent packages built on a macppc (that's from 2001 or so,
> dual-core 500 Mhz G3) will run on an evbppc. I would expect all the
> instructions in the G3 to be present in the new chips (although I
> understand the memory management architecture is different). But, I
> wonder if the ABI is somehow different. I'd appreciate advice voting
The problem is your evbppc systems don't emulate the OEA FP instructions.
So when it encounters one, it will get a SIGILL.
We could put the fpemul code in the kernel but that code isn't that modular and
need some help to work on non-IBM4xx.
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