[coreboot] Phoenix reassembly

Carl-Daniel Hailfinger c-d.hailfinger.devel.2006 at gmx.net
Fri Jul 18 21:11:12 CEST 2008

On 18.07.2008 19:21, Myles Watson wrote:
>> -----Original Message-----
>> From: Carl-Daniel Hailfinger [mailto:c-d.hailfinger.devel.2006 at gmx.net]
>> Sent: Friday, July 18, 2008 10:54 AM
>> To: Myles Watson
>> Cc: 'Coreboot'; 'Ward Vandewege'
>> Subject: Re: [coreboot] Phoenix reassembly
>> On 18.07.2008 18:04, Myles Watson wrote:
>>> In the s2891 tutorial it shows phnxdeco producing a rom.scr file, which
>> the
>>> readme says will reassemble the BIOS.  The version I downloaded doesn't
>> seem
>>> to produce this file with the -xs or -x options.
>>> What's the preferred way to get the BIOS out of the .wph file so that
>>> flashrom can use it?
>> IIRC the ROM is at the beginning or the end of the WPH file. Simply
>> compare it with your current ROM, find the matching area, then use dd.
> Since my current ROM is coreboot, that won't work, but I guess I could try
> 1MB sections until I find the right one.

Ah sorry, I overlooked that. The last 16 bytes of the correct image
should look similar to what coreboot has there. Well, not completely,
but the jump instruction at 0xfffffff0 should be there.


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