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Langue: en

Version: 263943 (debian - 07/07/09)

Section: 1 (Commandes utilisateur)


openocd - A free and open on-chip debugging, in-system programming and boundary-scan testing tool for ARM and MIPS systems


openocd [-fsdlcphv] [--file <filename>] [--search <dirname>] [--debug <debuglevel>] [--log_output <filename>] [--command <cmd>] [--pipe] [--help] [--version]


OpenOCD is an on-chip debugging, in-system programming and boundary-scan testing tool for various ARM and MIPS systems.

The debugger uses an IEEE 1149-1 compliant JTAG TAP bus master to access on-chip debug functionality available on ARM based microcontrollers or system-on-chip solutions. For MIPS systems the EJTAG interface is supported.

User interaction is realized through a telnet command line interface, a gdb (the GNU debugger) remote protocol server, and a simplified RPC connection that can be used to interface with OpenOCD's Jim Tcl engine.

OpenOCD supports various different types of JTAG interfaces/programmers, please check the openocd info page for the complete list.


-f, --file <filename>
Use configuration file <filename>. In order to specify multiple config files, you can use multiple --file arguments. If this option is omitted, the config file openocd.cfg in the current working directory will be used.
-s, --search <dirname>
Search for config files and scripts in the directory <dirname>. If this option is omitted, OpenOCD searches for config files and scripts in the current directory.
-d, --debug <debuglevel>
Set debug level. Possible values are:
* 0 (errors)
* 1 (warnings)
* 2 (informational messages)
* 3 (debug messages)
The default level is 2.
-l, --log_output <filename>
Redirect log output to the file <filename>. Per default the log output is printed on stderr.
-c, --command <cmd>
Run the command <cmd>.
-p, --pipe
Use pipes when talking to gdb.
-h, --help
Show a help text and exit.
-v, --version
Show version information and exit.


Please report any bugs at or on the mailing list


OpenOCD is covered by the GNU General Public License (GPL), version 2 or later.



The full documentation for openocd is maintained as a Texinfo manual. If the info (or pinfo) and openocd programs are properly installed at your site, the command info openocd should give you access to the complete manual.

Also, the OpenOCD wiki contains some more information and examples:


Please see the file AUTHORS.

This manual page was written by Uwe Hermann <>. It is licensed under the terms of the GNU GPL (version 2 or later).

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-- Chamontin, Élisabeth