[OpenBIOS] [PATCH] RFC: Increase dictionary size on SPARC64

[Blue Swirl]

On 4/13/10, Mark Cave-Ayland <mark.cave-ayland at siriusit.co.uk> wrote:
> Igor Kovalenko wrote:
>
>
> > Your changes increase .bss of elf image, and that is handled by
> > entry.S automatically so no changes are needed.
> >
>
>  Okay, great :)
>
>
> > BTW do we need 512K for forth heap? It may be enough to modify openbios.c
> > setting MEMORY_SIZE to 256K and DICTIONARY_SIZE to 512k there.
> > Change to ofmem_sparc64.c does not seem to be helpful.
> >
>
>  I honestly don't know enough to make an informed choice, although my
> feeling is that since PPC has 512K (and it will obviously be enough to solve
> the problem with OpenSolaris) then it can't be too bad an option. Does
> anyone else have a feeling one way or the other?

One possible problem may be that we overrun the 32 bit address space,
because there is only 3M available: 0xffd00000 to 0xffffffff.