ISR-support in ARM
Mon Oct 8 10:10:00 GMT 2001
> The clause in the comment:
> Interrupt routines have their own banked link register,
> so they never need to save it.
>sounds more than weird when the link-register is one of the registers to be
>used as workspace... Or is the 'lr' in the opcode :
Oh, I see. Yes, I think you're right. It looks like the person who wrote the
comment (and the code) misunderstood how ARM banked registers work.
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