Re: [PATCH 2.6.9] KSEG/CKSEG fixes

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On Thu, Oct 21, 2004 at 09:09:21AM +0200, Ladislav Michl wrote:
> On Wed, Oct 20, 2004 at 05:14:27PM -0700, Tom Rini wrote:
> > The following is needed to get an SB1250 to compile & boot in 64bit
> > mode (briefly tested).
> > 
> > Signed-off-by: Tom Rini <trini@xxxxxxxxxxxxxxxxxxx>
> > 
> > --- linux-2.6.9.orig/arch/mips/mm/c-sb1.c
> > +++ linux-2.6.9/arch/mips/mm/c-sb1.c
> > @@ -488,7 +488,11 @@ void ld_mmu_sb1(void)
> >  	/* Special cache error handler for SB1 */
> >  	memcpy((void *)(CAC_BASE   + 0x100), &except_vec2_sb1, 0x80);
> >  	memcpy((void *)(UNCAC_BASE + 0x100), &except_vec2_sb1, 0x80);
> > +#ifdef CONFIG_MIPS64
> > +	memcpy((void *)CKSEG1ADDR(&handle_vec2_sb1), &handle_vec2_sb1, 0x80);
> > +#else
> >  	memcpy((void *)KSEG1ADDR(&handle_vec2_sb1), &handle_vec2_sb1, 0x80);
> > +#endif
> 
> I don't think this is best solution. Thomas Bogendoerfer messed with
> KSEG/CKSEG definitions recently and idea is to create board specific
> header file spaces.h

Would this include abstracting the notion of KSEG1/CKSEG1 into something
where one name would get the right var on 32 or 64 ?  If so, is this in
CVS now?  If not, wouldn't it make sense to put this in now and convert
it when the changes do go in?

-- 
Tom Rini
http://gate.crashing.org/~trini/


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