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Re: [avr-gcc-list] avr-gdb: watch on I/O register?

From: Joerg Wunsch
Subject: Re: [avr-gcc-list] avr-gdb: watch on I/O register?
Date: Sat, 10 May 2008 00:11:11 +0200 (MET DST)

Mark Litwack <address@hidden> wrote:

> Is it possible to set a watchpoint on an I/O register?

I have successfully done it, but it's been on IO registers that could
be accessed through MMIO only.  So it's possible that only ST/LD
instructions will trigger the watch event but IN/OUT instructions

cheers, J"org               .-.-.   --... ...--   -.. .  DL8DTL

http://www.sax.de/~joerg/                        NIC: JW11-RIPE
Never trust an operating system you don't have sources for. ;-)

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