so, following along here:
http://elinux.org/Flyswatter2_Beagleboard_XM_How_To
if i try the openocd 0.7.0 package that's yum installable on fedora
20, i (predictably) get:
"Unknown target type cortex_a"
so i hack the file /usr/share/openocd/target/amdm37x.cfg and adjust
a single line thusly:
target create $_TARGETNAME cortex_a8 -chain-position $_CHIPNAME.dap
^^^^^^^^^
and try again and, lo ...
$ sudo openocd -f interface/flyswatter2.cfg -f board/ti_beagleboard_xm.cfg -c
init -c "reset init"
Open On-Chip Debugger 0.7.0 (2013-09-07-16:51)
Licensed under GNU GPL v2
For bug reports, read
http://openocd.sourceforge.net/doc/doxygen/bugs.html
Info : only one transport option; autoselect 'jtag'
adapter speed: 10 kHz
Warn : dm37x.dsp: huge IR length 38
trst_only separate trst_push_pull
Info : max TCK change to: 30000 kHz
Info : clock speed 10 kHz
Info : JTAG tap: dm37x.jrc tap/device found: 0x2b89102f (mfg: 0x017, part:
0xb891, ver: 0x2)
Info : JTAG tap: dm37x.dap enabled
Info : dm37x.cpu: hardware has 6 breakpoints, 2 watchpoints
Error: JTAG-DP STICKY ERROR
Error: MEM_AP_CSW 0x80000042, MEM_AP_TAR 0x54011140
Error: JTAG-DP STICKY ERROR
Error: MEM_AP_CSW 0x80000042, MEM_AP_TAR 0x54011140
Error: JTAG-DP STICKY ERROR
Error: MEM_AP_CSW 0x80000042, MEM_AP_TAR 0x54011140
Error: JTAG-DP STICKY ERROR
Error: MEM_AP_CSW 0x80000042, MEM_AP_TAR 0x54011140
Error: JTAG-DP STICKY ERROR
Error: MEM_AP_CSW 0x80000042, MEM_AP_TAR 0x54011150
Error: JTAG-DP STICKY ERROR
Error: MEM_AP_CSW 0x80000042, MEM_AP_TAR 0x54011150
Error: JTAG-DP STICKY ERROR
Error: MEM_AP_CSW 0x80000042, MEM_AP_TAR 0x540111c0
Error: JTAG-DP STICKY ERROR
Error: MEM_AP_CSW 0x80000042, MEM_AP_TAR 0x540111c0
adapter speed: 10 kHz
Info : JTAG tap: dm37x.jrc tap/device found: 0x2b89102f (mfg: 0x017, part:
0xb891, ver: 0x2)
Info : JTAG tap: dm37x.dap enabled
adapter speed: 1000 kHz
Warn : dm37x.cpu: ran after reset and before halt ...
Info : number of cache level 2
Error: cache l2 present :not supported
Error: mpdir not in multiprocessor format
target state: halted
target halted in ARM state due to debug-request, current mode: Supervisor
cpsr: 0x800001d3 pc: 0x40200f9c
MMU: disabled, D-Cache: disabled, I-Cache: enabled
which makes me optimistic. i can now telnet in:
$ telnet localhost 4444
Trying ::1...
telnet: connect to address ::1: Connection refused
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
Open On-Chip Debugger
>
at which point i now have to figure out what i'm doing, but i at
least appear to have a working session.
rday
p.s. i'm looking at the elinux page of OpenOCD config files here:
http://elinux.org/OpenOCD_Config_Files
and it would appear that, for me, the only file patch i would care
about is amdm37x.cfg. if i'm strictly using the FS2 on my bb-xm, none
of the other patch files are relevant for me, is that correct? and
openocd 0.7.0 already comes with a flyswatter2.cfg file.
--
========================================================================
Robert P. J. Day Ottawa, Ontario, CANADA
http://crashcourse.ca
Twitter: http://twitter.com/rpjday
LinkedIn: http://ca.linkedin.com/in/rpjday
========================================================================
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