Re: Help with ppc e500 tlb usage

[Cédric Le Goater]

> Thanks for the background info Cédric, I wasn't aware of the MMUv2. I see now 
> that in target/ppc/cpu_init.c the e500v2 and e5500 have the same mmu_model, the 
> POWREPC_MMU_BOOKE206.
> I'd like to be able to set the initial tlb entry size from the platform 
> definition by indicating the size in kib. I'll just use the 2^TSIZE then.

Well, the approach of adding a class attribute and for a new machine
is the right one.
> > The e500 only supports the following page sizes:
> >
> >              0b0001 4KB
> >              0b0010 16KB
> >              0b0011 64KB
> >              0b0100 256KB
> >              0b1011 4GB
> >              0b0101 1MB
> >              0b0110 4MB
> >              0b0111 16MB
> >              0b1000 64MB
> >              0b1001 256MB
> >              0b1010 1GB
>
> Is that how much the emulated e500 supports? The E500 Core Reference manual 
> states that it supports up to 4GiB.

Yes the list is out of order ! :)

Thanks,

C.