Don't pass the stack pointer to zImage's start() function
David Gibson
david at gibson.dropbear.id.au
Thu Mar 15 16:18:21 EST 2007
On Thu, Mar 15, 2007 at 03:35:46PM +1100, Tony Breeds wrote:
> On Thu, Mar 15, 2007 at 03:29:04PM +1100, David Gibson wrote:
> > At present, the zImage entry code passes a copy of the stack pointer
> > to the start() function. There's no real reason for this; the only
> > thing start() does with it is print it out. It appears to be a
> > leftover debugging hack, so, this patch removes it.
>
> <snip>
>
> > --- working-2.6.orig/arch/powerpc/boot/main.c 2007-03-15 14:03:09.000000000 +1100
> > +++ working-2.6/arch/powerpc/boot/main.c 2007-03-15 14:07:05.000000000 +1100
> > @@ -256,7 +256,7 @@ struct dt_ops dt_ops;
> > struct console_ops console_ops;
> > struct loader_info loader_info;
> >
> > -void start(void *sp)
> > +void start(void)
> > {
> > struct addr_range vmlinux, initrd;
> > kernel_entry_t kentry;
> > @@ -268,8 +268,7 @@ void start(void *sp)
> > if (platform_ops.fixups)
> > platform_ops.fixups();
> >
> > - printf("\n\rzImage starting: loaded at 0x%p (sp: 0x%p)\n\r",
> > - _start, sp);
> > + printf("\n\rzImage starting: loaded at 0x%p (sp: 0x%p)\n\r", _start);
>
> Shouldn't that be:
>
> + printf("\n\rzImage starting: loaded at 0x%p\n\r", _start);
>
> or similar?
Crap, yes, I suck.
Fixed version coming, plus a patch to turn on gcc printf format
warnings for the zImage.
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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