OFW access from linux

[Martin Dengler]

On Tue, Sep 15, 2009 at 10:42:46AM -0400, Paul Fox wrote:
> on the XO, openfirmware stays resident when linux runs, and is
> accessible via an API specified in arch/x86/kernel/ofw.c.  i've
> just pushed a commit to our 2.6.30 kernel branch that adds a
> sysrq hook (SysRq-y) for starting (returning to?) the resident
> OFW command line interface.

This is one of the coolest hacks I've heard about in a while.  Nice
work (and to the giants upon whose shoulders etc. etc.)!

> paul

Martin
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