About TLB mapping

[Frank Rowand]

Hua Ji wrote:
>
> Hi, folks,
>
> Advice needed.
>
> I am writting my TLB mapping for 405GP 128M physical memory.
> When I try to assemble my codes. I got some error called:
> "Unrecognized opcode: tlbwe".

Why are you doing this?  Is something wrong with the existing
implementation?


> I am confused and am asking for help. Thanks in advance.
>
> Or do I missed some options for my make file? My working environment is:
> *  powerpc-eabi-gcc and corresponding as....
> *  I tried to use -mcpu=405 to let as know that I am expecting 405cpu:-)

I don't know of any compiler that has -mcpu=405 (yet).  Use -mcpu=403.


> #-------------
> #Error Message I got from compiler and assember
> #------------------------------------------
>  : Error: Unrecognized opcode: `tlbwe'
>  : Error: Unrecognized opcode: `tlbwe'
>
> #-------------
> #My codes sample
> #-----------------------------------------------------
>  li      %r0,0                 #TLB Entry 0
>  tlbwe  %r4,%r0,1
>  tlbwe  %r3,%r0,0
> #-----------------------------------------------------

Thanks,

Frank
--
Frank Rowand <frank_rowand at mvista.com>
MontaVista Software, Inc

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