On Tue, Dec 23, 2008 at 6:45 PM, Dale Ghent <[email protected]> wrote:
> On Dec 23, 2008, at 11:39 AM, Dale Ghent wrote: > > > So it's the ZFS boot block in this case that get and process the -Z, > > not the OBP itself. The OBP by design has no carnal knowledge on this > > level. > > Let me clarify myself here - the boot block itself may not always > process any arguments passed to it from the OBP 'boot' command. In the > case of the -Z flag, I'm sure it does because it needs to start > executing the kernel from the right BE. > > But it also passed these flags on to the kernel its booting, so that > the kernel knows it. That's how a 'boot -s' from the OBP eventually > manifests in init(1) knowing that you desire single-user mode, and in > this case the chosen BE, and so on. > Correct. -- Any sufficiently advanced technology is indistinguishable from magic. Arthur C. Clarke My blog: http://initialprogramload.blogspot.com
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