Re: [PATCH v2] PowerPC: kernel: compiling issue, make additionalroom in exception vector area

[Mike Qiu]

ä 2013/4/26 10:06, Chen Gang åé:
> On 2013å04æ26æ 10:03, Mike Qiu wrote:
> > ïï 2013/4/26 9:36, Chen Gang Ðïï:
> > > > On 2013ïï04ïï26ïï 09:18, Chen Gang wrote:
> > > > > > On 2013ïï04ïï26ïï 09:06, Chen Gang wrote:
> > > > > > > > > > CFAR is the Come From Register.  It saves the location of the last
> > > > > > > > > > > > branch and is hence overwritten by any branch.
> > > > > > > > Do we process it just like others done (e.g. 0x300, 0xe00, 0xe20 ...) ?
> > > > > > > > 	. = 0x900
> > > > > > > > 	.globl decrementer_pSeries
> > > > > > > > decrementer_pSeries:
> > > > > > > >   	HMT_MEDIUM_PPR_DISCARD
> > > > > > > > 	SET_SCRATCH0(r13)
> > > > > > > > 	b decrementer_pSeries_0
> > > > > > > >
> > > > > > > > 	...
> > > > Oh, it seems EXCEPTION_PROLOG_1 will save the regesters which related
> > > > with CFAR, so I think need move EXCEPTION_PROLOG_1 to near 0x900.
> > I will try your diff V2, to see if the machine can boot up
> OK, thanks. (hope it can work)
It seems that the machine can be bootup in powernv mode, but I'm not 
sure if my machine call that module.

At lease my machine can boot up

Thanks
Mike
> :-)

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