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Re: [avr-gcc-list] External interrupt assembler routine - how?

From: Anich Gregor
Subject: Re: [avr-gcc-list] External interrupt assembler routine - how?
Date: Sat, 12 Jul 2003 03:36:27 +0200
User-agent: KMail/1.5.2


To put interrupts into external assembler files just export the symbol:

#include <avr/signal.h>

    .global SIG_INTERRUPT0


On Saturday 12 July 2003 00:50, Thomas Rehm wrote:
> Hi folks,
> I want to declare a routine in an external assembler source as an
> interrupt, because I want to get rid off the overhead which avr-gcc
> involves, when an Interrupt is declared via the AVR-GCC Interrupt API.
> Too, I want to reserve some registers for only use by this routine.
> Up to now, I found only infos about inline assembler and how to link
> external assembling code - but neither how to get an interrupt pointer to
> my routine nor how to reserve registers without pushed and popped by the
> compiler.
> Is there any way?
> thanks,
> Tom.
> _______________________________________________
> avr-gcc-list mailing list
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> http://www.avr1.org/mailman/listinfo/avr-gcc-list


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