svn commit: r295254 - head/sys/arm/arm
Zbigniew Bodek
zbb at semihalf.com
Thu Feb 4 15:32:46 UTC 2016
Hmm I didn't try that but I think the architecture supports using both
Monitor mode debugging (on a running system) and Halting debug mode (using
debugger).
However I will need to ensure whether any additional configuration is
required to use both at the same time.
Best regards
zbb
2016-02-04 15:45 GMT+01:00 Michal Meloun <mmel at freebsd.org>:
> Yep, I'm ready to review your patch.
> Allow me one question in forward.
> How this patch affects JTAG based debugging of kernel? Mainly if I start
> kernel under JTAG debugger, with active breakpoints (or watchpoints).
>
> Michal
>
> Dne 04.02.2016 v 14:41 Zbigniew Bodek napsal(a):
> > Hello Michal,
> >
> > I have a fix for that that I will send for review soon (I need to test
> > in on some other platforms):
> >
> https://people.freebsd.org/~zbb/arm/other/0001-Fix-debug_monitor-code-for-older-ARMs-ARM11.patch
> > <
> https://people.freebsd.org/%7Ezbb/arm/other/0001-Fix-debug_monitor-code-for-older-ARMs-ARM11.patch
> >
> >
> > If you don't mind I will add you to the review on Phabricator.
> >
> > Best regards
> > zbb
> >
> > 2016-02-04 14:32 GMT+01:00 Michal Meloun <mmel at freebsd.org
> > <mailto:mmel at freebsd.org>>:
> >
> > Author: mmel
> > Date: Thu Feb 4 13:32:29 2016
> > New Revision: 295254
> > URL: https://svnweb.freebsd.org/changeset/base/295254
> >
> > Log:
> > ARM: RPI-B kernel was broken by r294740. Make it functional again.
> >
> > Modified:
> > head/sys/arm/arm/debug_monitor.c
> >
> > Modified: head/sys/arm/arm/debug_monitor.c
> >
> ==============================================================================
> > --- head/sys/arm/arm/debug_monitor.c Thu Feb 4 12:49:28 2016
> > (r295253)
> > +++ head/sys/arm/arm/debug_monitor.c Thu Feb 4 13:32:29 2016
> > (r295254)
> > @@ -845,8 +845,10 @@ dbg_arch_supported(void)
> > {
> >
> > switch (dbg_model) {
> > +#ifdef not_yet
> > case ID_DFR0_CP_DEBUG_M_V6:
> > case ID_DFR0_CP_DEBUG_M_V6_1:
> > +#endif
> > case ID_DFR0_CP_DEBUG_M_V7:
> > case ID_DFR0_CP_DEBUG_M_V7_1: /* fall through */
> > return (TRUE);
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