[coreboot] Gigabyte M57SLI - 4MB Chip - LAB doesn't boot like expected

Carl-Daniel Hailfinger c-d.hailfinger.devel.2006 at gmx.net
Sat May 24 19:14:59 CEST 2008

On 24.05.2008 17:34, Harald Gutmann wrote:
> Am Samstag, 24. Mai 2008 14:22:43 schrieb Carl-Daniel Hailfinger:
>> On 24.05.2008 13:00, Harald Gutmann wrote:
>>> Any idea what is wrong with my image, or what could be done to get debug
>>> informations?
>> The scratchpad has to fit in a special area below 1 MB. Considering
>> various other constraints, the maximum size is probably around 512k. A
>> bigger scratchpad will clobber interrupt vectors and wrap around to the
>> top of the 4 GB address space. The decompressor will then write to the
>> area occupied by ROM (writes discarded) and non-RAM areas (writes
>> discarded). That's a bad thing.
>> If a compressed payload needs more than 512k scratchpad, the payload is
>> most likely corrupt.
> how can i check if the payload is corrupt or not?
> the uncompressed payload, the compressed one and an manually uncompressed (
> lzma-utils from http://tukaani.org/lzma/) are included here:
> http://rapidshare.com/files/117291876/payloads.tar.bz2.html

Don't use the tukaani.org lzma-utils. They have a different header
format and our decompression will choke on it.


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