[OpenBIOS] [Qemu-ppc] Running client with MMU off
BALATON Zoltan
balaton at eik.bme.hu
Thu Jun 26 13:20:53 CEST 2014
On Thu, 26 Jun 2014, Alexander Graf wrote:
> You could enable write protection on the first page before you enter the
> payload. Then you could unprotect it and disable interrupts as soon as
> someone wrote to it. I guess that'd be a pretty solid hack.
Good idea, I'll look into this. But 0x00-0xff is reserved for operating
system use and MorphOS does write to 0x80 before touching the vectors
(that's why I can't just check from the DSI handler). Can I selectively
enable writes on a write protected page? (I'll need to read about it some
more.)
Regards,
BALATON Zoltan
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