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openocd — Debug and program embedded systems with OpenOCD. More information: <https://manned.org/openocd>.

Submitted by: @import:tldr-pages·Mar 2, 2026·

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commandsystemsembeddedandcliprogramopenocddebug

Problem

How to use the openocd command: Debug and program embedded systems with OpenOCD. More information: <https://manned.org/openocd>.

Solution

openocd — Debug and program embedded systems with OpenOCD. More information: <https://manned.org/openocd>.

Attach OpenOCD session to a board with a configuration file:

openocd {{[-f|--file]}} {{config_file.cfg}}

Attach OpenOCD session to a board with multiple configuration files:

openocd {{[-f|--file]}} {{config_file1.cfg}} {{[-f|--file]}} {{config_file2.cfg}}

Attach OpenOCD session to a board with configuration files and a list of commands to be executed on server startup:

openocd {{[-f|--file]}} {{config_file.cfg}} {{[-c|--command]}} "{{command}}"

Use configuration files in the specified path:

openocd {{[-s|--search]}} {{path/to/search}} {{[-f|--file]}} {{config_file.cfg}}

[Interactive] After OpenOCD startup, connect GDB to OpenOCD default port 3333:

target extended-remote localhost

List site-wide script library:

ls /usr/local/share/openocd/scripts

Code Snippets

Attach OpenOCD session to a board with a configuration file

openocd {{[-f|--file]}} {{config_file.cfg}}

Attach OpenOCD session to a board with multiple configuration files

openocd {{[-f|--file]}} {{config_file1.cfg}} {{[-f|--file]}} {{config_file2.cfg}}

Attach OpenOCD session to a board with configuration files and a list of commands to be executed on server startup

openocd {{[-f|--file]}} {{config_file.cfg}} {{[-c|--command]}} "{{command}}"

Use configuration files in the specified path

openocd {{[-s|--search]}} {{path/to/search}} {{[-f|--file]}} {{config_file.cfg}}

[Interactive] After OpenOCD startup, connect GDB to OpenOCD default port 3333

target extended-remote localhost

Context

tldr-pages: common/openocd

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