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Sandbox
=======
barebox can be run as a simulator on your host to check and debug new non
hardware related features.
Building barebox for simulation
-------------------------------
The barebox sandbox can be built with the host compiler:
.. code-block:: sh
ARCH=sandbox make sandbox_defconfig
ARCH=sandbox make
Running the sandbox
-------------------
Once you compile barebox for the sandbox, you can run it with::
.. code-block:: console
$ barebox [<OPTIONS>]
Available sandbox invocation options include:
``-m``, ``--malloc=<size>``
Start sandbox with a specified malloc-space <size> in bytes.
``-i <file>``
Map a <file> to barebox. This option can be given multiple times. The <file>s
will show up as ``/dev/fd0`` ... ``/dev/fdX`` in the barebox simulator.
``-e <file>``
Map <file> to barebox. With this option <file>s are mapped as
``/dev/env0`` ... ``/dev/envX`` and thus are used as default environment.
A clean file generated with ``dd`` will do to get started with an empty environment.
``-O <file>``
Register <file> as a console capable of doing stdout. <file> can be a
regular file or a FIFO.
``-I <file>``
Register <file> as a console capable of doing stdin. <file> can be a regular
file or a FIFO.
``-x``, ``--xres <res>``
Specify SDL width.
``-y``, ``--yres <res>``
Specify SDL height.
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