[coreboot] Allow payloads to write over Coreboot tables, add a warning
mylesgw at gmail.com
Thu May 22 00:01:40 CEST 2008
> -----Original Message-----
> From: Stefan Reinauer [mailto:stepan at coresystems.de]
> Sent: Wednesday, May 21, 2008 3:57 PM
> To: Myles Watson
> Cc: Coreboot
> Subject: Re: [coreboot] Allow payloads to write over Coreboot tables, add
> a warning
> Myles Watson wrote:
> > This is a simple patch which allows payloads to be placed in memory in
> > the range of 0xf0000-0x100000, where the Coreboot tables live in v2.
> > As long as the payload doesn't need the tables, it seems harmless, so
> > why not just print a warning?
> It will definitely break your interrupt routing ... While I agree this
> is OK for testing, we have to find a better solution for this.
As soon as we decide how we want to pass information to legacybios, it
should be clear what the better solution is.
One solution is a libpayload-based loader that copies the information and
passes the relevant parts to legacybios. Until legacybios uses any of that
information, though, it might as well be copied over.
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