:orphan:

.. title:: CONFIG_ARC_USE_UNALIGNED_MEM_ACCESS

.. kconfig:: CONFIG_ARC_USE_UNALIGNED_MEM_ACCESS

CONFIG_ARC_USE_UNALIGNED_MEM_ACCESS
###################################

*Enable unaligned access in HW*

Type: ``bool``

Help
====

.. code-block:: none

    ARC EM cores w/o secure shield 2+2 mode support might be configured
    to support unaligned memory access which is then disabled by default.
    Enable unaligned access in hardware and make software to use it.

Direct dependencies
===================

((\ :kconfig:`CPU_ARCEM <CONFIG_CPU_ARCEM>` && !\ :kconfig:`ARC_HAS_SECURE <CONFIG_ARC_HAS_SECURE>`) || \ :kconfig:`CPU_ARCHS <CONFIG_CPU_ARCHS>`) && \ :kconfig:`ARC <CONFIG_ARC>`

*(Includes any dependencies from ifs and menus.)*

Default
=======

- y if \ :kconfig:`CPU_ARCHS <CONFIG_CPU_ARCHS>`

Kconfig definition
==================



At ``<Zephyr Architecture>/arc/Kconfig:222``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:39`` → ``<Zephyr Architecture>/Kconfig:12``

Menu path: (Top) → ARC Options → ARC CPU Options

.. code-block:: kconfig

    config ARC_USE_UNALIGNED_MEM_ACCESS
    	bool "Enable unaligned access in HW"
    	default y if CPU_ARCHS
    	depends on ((CPU_ARCEM && !ARC_HAS_SECURE) || CPU_ARCHS) && ARC
    	help
    	  ARC EM cores w/o secure shield 2+2 mode support might be configured
    	  to support unaligned memory access which is then disabled by default.
    	  Enable unaligned access in hardware and make software to use it.

*(The 'depends on' condition includes propagated dependencies from ifs and menus.)*