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Re: [MiNT] FPU detection, who is wrong?
Thorsten Otto <halgara@yahoo.de> writes:
> I.e for the 68881/68882 case, it is just the opposite. Unfortunately, i could not find any documention about which revision number is reported by the FPU, the only thing i found is that the length of stacked frame is different (0x1c for 68881, and 0x3c for 68882).
The MC68881UM/AD REV 2 says that the MC68881 can report version $1F and
$3F, and the MC68882 uses version $1F. It also says that future
revisions can use different versions, whereas the size of the frames
will always remain the same.
Thus the detection code in MiNT is definitely buggy.
Andreas.
--
Andreas Schwab, schwab@linux-m68k.org
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