Re: [B2-devel] MacOS 8.1/ppc boots ;-)

[Hetz B. H. <he...@wi...>]

is this on a PPC native machine or X86 machine?

Thanks,
Hetz

On Sunday 28 September 2003 19:43, Gwenole Beauchesne wrote:
> Hi,
>
> I have just nuked two silly bugs in the interpreter and MacOS 8.1
> completely boots. I can even make some tests on my PBG4:
> <http://gwenole.beauchesne.free.fr/sheepshaver/> ;-)
>
> Yes, that's slow as I enabled only the interpreter and all sort of
> runtime checks in order to know who the hell did nuke the stack
> pointer. That turned out to be the interrupt handler. It sometimes
> happened that we were just lwz r1,XLM_IRQ_NEST and triggered an
> interrupt, henceforth generating and saving sp - 64 => something like
> 0xffffffc0.
>
> The current solution is probably slow but I put back the usual spcflags
> checking and introduced two new NativeOp so that XLM_IRQ_NEST is handed
> atomically, at least as seen in emulated ppc world.
>
> Concerning MacOS 8.6, it now tells me a system error occured.
> Unfortunately, it does not crash thus making more difficult to track
> down why we got there.
>
> Oh BTW, MacOS 8.1 is silly and tries to lmw on unaligned EA. This also
> happens in native mode. So, I don't know if MacOS 8.1 is the real
> problem or it is something introduced from SheepShaver.
>
> Bye,
> Gwenole.
>
>
>
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