Re: [Q] enabling FPU for vpe1

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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
>>
>>
>
>



[Index of Archives]     [Linux MIPS Home]     [LKML Archive]     [Linux ARM Kernel]     [Linux ARM]     [Linux]     [Git]     [Yosemite News]     [Linux SCSI]     [Linux Hams]

  Powered by Linux