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Re: [avr-gcc-list] [Patch, avr] Shrink interrupt vector table down to la
From: |
Oleksandr Redchuk |
Subject: |
Re: [avr-gcc-list] [Patch, avr] Shrink interrupt vector table down to last used entry |
Date: |
Thu, 14 Feb 2013 18:43:39 +0200 |
2013/2/14 Weddington, Eric <address@hidden>:
> If this "optimization" were put in place, then there is the potential
> that these wrongly-enable interrupts could vector off to some part of the
> application code,
> start executing it, without ever having a return from interrupt (RETI), and
> could wreak havoc
> with the rest of the system, and also making debugging such a system that
> much harder.
> I would have to see evidence that these devices, especially the XMEGAs, which
> typically
> have more code space, are so constrained that such an optimization is
> warranted over
> the safety of the overall system.
How about "no-any-interrupt" (and no sei() in code) programs for small
micro like tiny13 or tiny261 ?
Anyway, one must explicitly enable this feature by --shrink-ivt swicth
for shut in foot.
For existing projects will not be any safety problems.
--
wbr,
ReAl
- Re: [avr-gcc-list] [Patch, avr] Shrink interrupt vector table down to last used entry, (continued)
- Re: [avr-gcc-list] [Patch, avr] Shrink interrupt vector table down to last used entry, Weddington, Eric, 2013/02/14
- Re: [avr-gcc-list] [Patch, avr] Shrink interrupt vector table down to last used entry, Georg-Johann Lay, 2013/02/14
- Re: [avr-gcc-list] [Patch, avr] Shrink interrupt vector table down to last used entry, Weddington, Eric, 2013/02/14
- Re: [avr-gcc-list] [Patch, avr] Shrink interrupt vector table down to last used entry, Georg-Johann Lay, 2013/02/14
- Re: [avr-gcc-list] [Patch, avr] Shrink interrupt vector table down to last used entry, Senthil Kumar Selvaraj, 2013/02/15
- Re: [avr-gcc-list] [Patch, avr] Shrink interrupt vector table down to last used entry, Georg-Johann Lay, 2013/02/15
- Re: [avr-gcc-list] [Patch, avr] Shrink interrupt vector table down to last used entry, Ruud Vlaming, 2013/02/15
- Re: [avr-gcc-list] [Patch, avr] Shrink interrupt vector table down to last used entry, Joerg Wunsch, 2013/02/16
- Re: [avr-gcc-list] [Patch, avr] Shrink interrupt vector table down to last used entry, Senthil Kumar Selvaraj, 2013/02/15
- Re: [avr-gcc-list] [Patch, avr] Shrink interrupt vector table down to last used entry, Erik Christiansen, 2013/02/16
Re: [avr-gcc-list] [Patch, avr] Shrink interrupt vector table down to last used entry,
Oleksandr Redchuk <=