2020-04-10 12:03:14 +08:00
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.. _hello_world_user:
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Hello World
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###########
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Overview
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********
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A simple Hello World example that can be used with any supported board and
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prints 'Hello World from UserSpace!' to the console.
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2022-04-09 07:20:23 +08:00
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If unavailable or unconfigured then 'Hello World from privileged mode.'
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is printed instead.
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2020-04-10 12:03:14 +08:00
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This application can be built into modes:
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* single thread
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* multi threading
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Building and Running
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********************
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This project outputs 'Hello World from UserSpace!' to the console.
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It can be built and executed on QEMU as follows:
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.. zephyr-app-commands::
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:zephyr-app: samples/userspace/hello_world_user
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:host-os: unix
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:board: qemu_riscv32
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:goals: run
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:compact:
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Sample Output
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=============
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.. code-block:: console
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Hello World from UserSpace! qemu_riscv32
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Exit QEMU by pressing :kbd:`CTRL+A` :kbd:`x`.
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