September 27th, 2020, 14:39
openocd -f tcl/interface/raspberrypi-native.cfg -c "transport select jtag" -c "adapter_khz 1000"
Open On-Chip Debugger 0.10.0+dev-00930-g09eb941c (2019-09-16-23:29)
Licensed under GNU GPL v2
For bug reports, read
http://openocd.org/doc/doxygen/bugs.html
trst_only separate trst_push_pull
jtag
adapter speed: 1000 kHz
jtag_ntrst_delay: 200
Info : Listening on port 6666 for tcl connections
Info : Listening on port 4444 for telnet connections
Info : BCM2835 GPIO JTAG/SWD bitbang driver
Info : JTAG and SWD modes enabled
Info : clock speed 100 kHz
Info : JTAG tap: feroceon.cpu tap/device found: 0x259663d3 (mfg: 0x1e9 (Marvell Semiconductors), part: 0x5966, ver: 0x2)
Info : Embedded ICE version 0
Info : feroceon.cpu: hardware has 1 breakpoint/watchpoint unit
Error: unexpected Feroceon EICE version signature
Info : Listening on port 3333 for gdb connections
Info : accepting 'telnet' connection on tcp/4444
target halted in ARM state due to debug-request, current mode: Thread
cpsr: 0x00000000 pc: 0xffffffe8
MMU: disabled, D-Cache: disabled, I-Cache: disabled
Error: invalid mode value encountered 25
Warn : ThumbEE -- incomplete support
Error: cpsr contains invalid mode value - communication failure
Polling target feroceon.cpu failed, trying to reexamine
Info : Embedded ICE version 0
Info : feroceon.cpu: hardware has 1 breakpoint/watchpoint unit
Error: unexpected Feroceon EICE version signature
Error: Jazelle debug entry -- BROKEN!
Warn : ThumbEE -- incomplete support
Segmentation fault
September 28th, 2020, 8:17
October 6th, 2020, 16:18
July 3rd, 2022, 23:47
set _CPU_TAPID 0x259663d3
set _CHIPNAME 88i6745
if { [info exists ENDIAN] } {
set _ENDIAN $ENDIAN
} else {
set _ENDIAN little
}
set _CHIPTYPE arm920t
set _TARGETNAME $_CHIPNAME.cpu
jtag newtap $_CHIPNAME tap -irlen 4 -expected-id $_CPU_TAPID
target create $_TARGETNAME $_CHIPTYPE -endian $_ENDIAN -chain-position $_CHIPNAME.tap
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