[coreboot] [PATCH]clean up bootblocksize handling in cbfstool, kconfig

Myles Watson mylesgw at gmail.com
Thu Nov 12 16:04:47 CET 2009

On Thu, Nov 12, 2009 at 8:00 AM, Patrick Georgi
<patrick.georgi at coresystems.de> wrote:
> Am 12.11.2009 15:56, schrieb Myles Watson:
>>> Reverting everthing would be overkill.. The only thing that negatively
>>> affects the build is the ROMBASE configuration in src/arch/i386/Kconfig,
>>> the
>>> other parts are fine.
>>> I'm looking for a way to keep ROMBASE functional that way (esp. to allow
>>> smaller bootblocks) while fixing the current issue.
>> I think we should allow larger boot blocks at the same time and fix
>> fam10 builds.
> If that fixes fam10, I'm all for it. My understanding is that failover was
> invented specifically to make fam10 work with only 64kb of available ROM,
> but I might be wrong. That would mean that a bootblock >64kb wouldn't be
> entirely visible.
I keep forgetting that the bootblock has to be < 64Kb so that the
start is reachable with a jump in 16-bit mode.  A larger bootblock
makes it build but fails to boot.

>> It's up to you. Reverting it seems cheap compared to having it broken
>> for multiple days.
> Either I fix it today, or I'll revert that part of the change. Either way
> it'll work in a couple of hours again.


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