[RFC 3/3] zImage: Exception vector support

[Josh Boyer]

On Mon, 2007-02-19 at 13:39 -0800, Geoff Levand wrote:
> Josh Boyer wrote:
> > On Mon, 2007-02-19 at 07:03 -0800, Geoff Levand wrote:
> >> Josh Boyer wrote:
> >> > On Sat, Feb 17, 2007 at 05:17:08PM -0800, Geoff Levand wrote:
> >> >> Add SMP exception vector support to the powerpc zImage bootwrapper.  For
> >> >> platforms which have entry points in the vector table.  This implements
> >> >> SMP entry via the system reset vector.
> >> >> 
> >> >> Signed-off-by: Geoff Levand <geoffrey.levand at am.sony.com>
> >> >> 
> >> >> ---
> >> >>  arch/powerpc/boot/head.S       |   96 +++++++++++++++++++++++++++++++++++++++++
> >> >>  arch/powerpc/boot/zImage.lds.S |    2 
> >> > 
> >> > This one seems pretty PS3 specific, and there's no makefile entry to actually
> >> > compile it...  Could we name it head_ps3.S or something similar?
> >> > 
> >> > Or am I misunderstanding the code and it's really generic to most SMP
> >> > machines (which would make a case to arguably call it head_smp.S).
> >> 
> >> No, its not platform specific nor SMP specific, it should work
> >> with all SMP and UP platforms that need this kind of support.
> > 
> > Well, I'm not sure it will work with all UP platforms anyway.  The SPR
> > you're peeking at to look at the thread number doesn't even exist on 4xx
> > for example.
> 
> The 4xx wrapper needs a reset vector?  If so, what bootloader are you using?

Ok, sorry.  Getting ahead of myself there.  I'll shut up now.

josh