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List:       openbios
Subject:    Re: [OpenBIOS] [PATCH] arch/ppc/qemu: Move and simplify DSI and ISI exception handler routines
From:       BALATON Zoltan <balaton () eik ! bme ! hu>
Date:       2014-04-15 10:51:44
Message-ID: alpine.LMD.2.02.1404151250350.30326 () jedlik ! phy ! bme ! hu
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On Mon, 14 Apr 2014, Mark Cave-Ayland wrote:
> On 12/04/14 13:18, BALATON Zoltan wrote:
>
>> The routines are moved to avoid overwriting by the MorphOS boot code
>> which writes to address 0x80 during start up.
>
> Just thinking about a somewhat related SPARC experience here - does this mean 
> that the PPC trap table is relocated to zero page memory somewhere further 
> down in arch/ppc/qemu/start.S? (apologies for my lack of ability to read PPC 
> assembly)

It's not relocated but based off of __vectors which seems to be zero by 
default.

Regards,
BALATON Zoltan

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