[OpenBIOS] Increasing dictionary space size

Mark Cave-Ayland mark.cave-ayland at ilande.co.uk
Sun Apr 24 19:16:41 CEST 2016

On 24/04/16 17:23, Programmingkid wrote:

> On Apr 24, 2016, at 8:36 AM, Mark Cave-Ayland wrote:
>> On 23/04/16 17:03, Programmingkid wrote:
>>> How do we increase the size of the dictionary? I thought it would be as simple as increasing the DICTIONARY_SIZE constant, but that causes this error: 
>>> ppc-elf-ld: section .romentry [00000000fffffffc -> 00000000ffffffff] overlaps section .data [00000000fff3c000 -> 000000010013c1d7]
>>> ppc-elf-ld: openbios-qemu.elf.nostrip: section .romentry vma 0xfffffffc overlaps previous sections
>> That looks correct, however you've increased DICTIONARY_SIZE so much
>> that the final address goes beyond 0xfffffffc which is the maximum limit
>> of the PROM area for PPC.
> Thanks for this info. Would you know a way to allocate around 700k from the dictionary?

Sadly most PROMs are limited in the amount of memory mapped for them on
real hardware, so this is likely impossible. What is the current
dictionary size for your PPC image and why do you need to increase it?
700K is starting to sound almost too big.



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