Thanks for looking into this. I did do that. But the CU1 bit of TC#1 (in VPE#1) can not be set by TC#0 or itself. Looks like VPE#1 is not seeing the FPU at all... Deng-Cheng 2010/8/4 Kevin D. Kissell <kevink@xxxxxxxxxxxxx>: > Check the MIPS MT spec. If I recall correctly, it's possible to enable > access to the FPU by either VPE by setting the right bits while the > processor is in the MT configuration mode. > > Deng-Cheng Zhu wrote: >> Hi, >> >> >> I'm working on a 34Kf CPU. I understand that only one TC can use the >> FPU at any given time. >> >> My question is: If a TC is attached to the 2nd VPE (i.e. VPE1), can I >> enable FPU for it? >> >> I experimented on this, but failed to do it. Am I missing something? >> >> >> Thanks >> >> Deng-Cheng >> >> > >