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List:       linux-arm-kernel
Subject:    Re: On TLB flushing
From:       Marc Singer <elf () buici ! com>
Date:       2004-04-20 16:30:07
Message-ID: 20040420163006.GB20305 () buici ! com
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On Tue, Apr 20, 2004 at 05:21:30PM +0200, Wouter van Heyst wrote:
> On Mon, Apr 19, 2004 at 10:08:26AM -0700, Marc Singer wrote:
> <snip>
> 
> > The best way to learn how is to do it.  With a good kernel debugger it
> > is almost as easy as debugging application code.  That's not to say
> 
> What are you using? According to several sources arm doesn't have a
> standard debugger and the patch tracking system didn't seem to contain
> one either.  I do have a kgdb patch here which is incomplete, need to
> implement some functions according to Documentation/arm/kgdb.
> 
> Or are you using some kind of hardware solution?

JTAG is the way to go for ARM processors.  IA32 doesn't have a
hardware option, so the kernel developers resort to kgdb.  The
motivation for porting kgdb to ARM (and most other CPUs) isn't so
great since most support JTAG.
 

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