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Re: HW Breakpoints with gdb/wiggler?

2004-06-30 by dave_albert

--- In lpc2000@yahoogroups.com, Robert Adsett <subscriptions@a...> wrote:
> At 08:24 PM 6/27/04 +0000, you wrote:
> >Has anyone succeeded in getting hardware breakpoints
> >working with a Wiggler and gdb/insight?
> >
> >Mine works perfectly for debugging code in ram (it
> >inserts software breakpoints perfectly), but I can't
> >set a breakpoint in  flash.  Neither "b main" or
> >"hbreak main" work; both commands are accepted, but
> >when I continue, the first gives an error writing to
> >flash (no surprise) and the second warns that it could
> >not insert the hardware breakpoint.
> >
> >Any ideas?
> 
> monitor set hbreak address
> 
> It works with numerics anyway, I haven't tried a symbolic address yet.
> 

Thanks Robert, the numeric address worked perfectly!  (Symbolic
addresses do not...they are accepted but don't actually cause a
break).  Is there a way to clear the hardware breakpoint once set (for
now I am just setting it somewhere else in memory, but it would be
nice to know how to just plain clear it).

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