debug-arm7¶
glasgow run debug-arm7¶
Debug ARM7TDMI processors via the JTAG interface.
This applet supports displaying CPU state, dumping a memory region, and running a GDB remote protocol server for a debugger. All debugger features are implemented except for memory watchpoints. (This processor has errata that makes watchpoints essentially unusable, as well as impacting breakpoints.)
The applet should work on all big-endian and little-endian ARM7TDMI CPUs, and has been tested on a big-endian SoC (Yamaha SWLL).
The CPU must be the only TAP in the JTAG chain.
usage: glasgow run debug-arm7 [-h] [-V SPEC] [--tck PIN] [--tms PIN]
[--tdo PIN] [--tdi PIN] [--trst PIN] [-e ENDIAN]
[-f FREQ]
OPERATION ...
- -h, --help¶
show this help message and exit
- -V <spec>, --voltage <spec>¶
configure I/O port voltage to SPEC (e.g.: ‘3.3’, ‘A=5.0,B=3.3’, ‘A=SA’)
- --tck <pin>¶
bind the applet I/O line ‘tck’ to PIN (default: A0)
- --tms <pin>¶
bind the applet I/O line ‘tms’ to PIN (default: A1)
- --tdo <pin>¶
bind the applet I/O line ‘tdo’ to PIN (default: A2)
- --tdi <pin>¶
bind the applet I/O line ‘tdi’ to PIN (default: A3)
- --trst <pin>¶
bind the applet I/O line ‘trst’ to PIN
- -e {big,little}, --endian {big,little}¶
target endianness (default: little)
- -f <freq>, --frequency <freq>¶
set TCK frequency to FREQ kHz (default: 1000)
glasgow run debug-arm7 dump-memory¶
usage: glasgow run debug-arm7 dump-memory [-h] [-f FILENAME] ADDRESS LENGTH
- address¶
start at ADDRESS
- length¶
dump LENGTH bytes
- -h, --help¶
show this help message and exit
- -f <filename>, --file <filename>¶
dump contents to FILENAME
glasgow run debug-arm7 dump-state¶
usage: glasgow run debug-arm7 dump-state [-h]
- -h, --help¶
show this help message and exit
glasgow run debug-arm7 gdb¶
usage: glasgow run debug-arm7 gdb [-h] [GDB-ENDPOINT]
- gdb-endpoint¶
listen at GDB-ENDPOINT, either unix:PATH or tcp:HOST:PORT (default: tcp::1234)
- -h, --help¶
show this help message and exit