Messages in this thread | | | Date | Mon, 03 Jan 2011 10:06:52 -0800 | From | "H. Peter Anvin" <> | Subject | Re: [sodaville] [PATCH 02/11] x86: Add device tree support |
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On 01/03/2011 09:52 AM, Grant Likely wrote: > > I think we've got an impedance mismatch. > > The whole point of the ppc boot wrapper, and the kind of boot wrapper > that I'm talking about here, is that it becomes part of the kernel > image and is *not* part of firmware. ie. an executable wrapper which > carries the kernel as it's payload. I'm wary too of depending of > firmware to get things right because it can be so painful to change. >
The problem with that kind of boot wrapper is that they are per-architecture, increasing the differences between architectures needlessly, and they are often implemented very poorly.
As such, it's nice to have an ultimate fallback that doesn't depend on anything outside ours -- the kernel community's -- control.
-hpa
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