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PowerPC BSPs
- Date: Fri, 12 Dec 2008 09:51:28 -0800
- From: strauman at slac.stanford.edu (Till Straumann)
- Subject: PowerPC BSPs
Leon Pollak wrote:
> Hello, all.
>
> A simple questions to who knows the answer...:-)
>
> All PPC BSPs contain in all interrupt vectors processing the following:
> before executing the RFI instruction they restore the MSR value back from the
> saved SRR1 value.
> Why?
> The PPC manual states that this is done by the CPU in the RFI instruction.
>
> What do I miss?
>
> Thanks.
>
There are various flavors of that stuff - could you please
quote the lines and the file you're looking at?
Till