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Re: [avr-gcc-list] gcc prolog incorrect?

From: Dave Hansen
Subject: Re: [avr-gcc-list] gcc prolog incorrect?
Date: Mon, 07 Mar 2005 15:53:24 -0500

From: Jeff Barlow <address@hidden>

address@hidden  wrote:

>So what happens if we get interrupt between 69 and 70? And that interrupt disables interrupts?

I would claim that an ISR that returns without enabling
interrupts is _broken_.

Worse than broken. On the AVR, it is _impossible_ to return from an interrupt (more specifically RETI) without enabling interrupts.


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