Re: [Openocd-development] Automatic detection of debugbase for cortex A8
On Tuesday 30 November 2010 08:16:31 Øyvind Harboe wrote:
This patch breaks debugging on the DM37x. It appears that the debug
base and APID is not sufficient to identify problematic processors
since the DM37x on the Beagleboard XM incorrectly passes the checks in
arm_adi_v5.c:
for (i = 0; i sizeof(broken_cpus)/sizeof(struct broken_cpu);
i++) if (broken_cpus[i].dbgbase == dbgbase
broken_cpus[i].apid == apid) {
LOG_WARNING(Found broken CPU (%s), trying to
fixup ROM Table location from 0x%08x to 0x%08x,
broken_cpus[i].model, dbgbase,
broken_cpus[i].correct_dbgbase);
dbgbase = broken_cpus[i].correct_dbgbase;
break;
}
Is there another way that these problematic CPUs can be identified?
Anyone?
Ah I see it now ... I don't have DM37x based board, but I can try getting one.
Otherwise, can someone (with DM37x) help me fixing this ?
Thanks in advance, Cheers
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Re: [Openocd-development] Automatic detection of debugbase for cortex A8
On Sat, Nov 6, 2010 at 8:42 AM, Øyvind Harboe oyvind.har...@zylin.com wrote:
I've merged Marek's work:
http://repo.or.cz/w/openocd/cortex.git
I'm pleased not only with the result, but how the set of patches
came about through a great discussion on the list and
improvement of Marek's original solution!
(I haven't actually been able to try it, though it looks great
to me, and it is reported as working.)
--
Øyvind Harboe
Can Zylin Consulting help on your project?
US toll free 1-866-980-3434 / International +47 51 63 25 00
http://www.zylin.com/zy1000.html
ARM7 ARM9 ARM11 XScale Cortex
JTAG debugger and flash programmer
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This patch breaks debugging on the DM37x. It appears that the debug
base and APID is not sufficient to identify problematic processors
since the DM37x on the Beagleboard XM incorrectly passes the checks in
arm_adi_v5.c:
for (i = 0; i sizeof(broken_cpus)/sizeof(struct broken_cpu); i++)
if (broken_cpus[i].dbgbase == dbgbase
broken_cpus[i].apid == apid) {
LOG_WARNING(Found broken CPU (%s), trying to fixup
ROM Table location from 0x%08x to 0x%08x,
broken_cpus[i].model, dbgbase,
broken_cpus[i].correct_dbgbase);
dbgbase = broken_cpus[i].correct_dbgbase;
break;
}
Is there another way that these problematic CPUs can be identified?
-Karl
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[Openocd-development] Automatic detection of debugbase for cortex A8
I've merged Marek's work: http://repo.or.cz/w/openocd/cortex.git I'm pleased not only with the result, but how the set of patches came about through a great discussion on the list and improvement of Marek's original solution! (I haven't actually been able to try it, though it looks great to me, and it is reported as working.) -- Øyvind Harboe Can Zylin Consulting help on your project? US toll free 1-866-980-3434 / International +47 51 63 25 00 http://www.zylin.com/zy1000.html ARM7 ARM9 ARM11 XScale Cortex JTAG debugger and flash programmer ___ Openocd-development mailing list Openocd-development@lists.berlios.de https://lists.berlios.de/mailman/listinfo/openocd-development
