:orphan:

.. title:: ARM_MMU

.. option:: CONFIG_ARM_MMU

*ARM MMU Support*

Type: ``bool``

Help
====

.. code-block:: none

    Memory Management Unit support.

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

(\ :option:`CPU_CORTEX_A <CONFIG_CPU_CORTEX_A>` || \ :option:`CPU_AARCH64_CORTEX_R <CONFIG_CPU_AARCH64_CORTEX_R>`) && \ :option:`ARM64 <CONFIG_ARM64>`

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

Defaults
========

- n if \ :option:`CPU_AARCH64_CORTEX_R <CONFIG_CPU_AARCH64_CORTEX_R>`
- y

Symbols selected by this symbol
===============================

- \ :option:`MMU <CONFIG_MMU>`
- \ :option:`SRAM_REGION_PERMISSIONS <CONFIG_SRAM_REGION_PERMISSIONS>`
- \ :option:`ARCH_MEM_DOMAIN_SYNCHRONOUS_API <CONFIG_ARCH_MEM_DOMAIN_SYNCHRONOUS_API>` if \ :option:`USERSPACE <CONFIG_USERSPACE>`
- \ :option:`ARCH_MEM_DOMAIN_DATA <CONFIG_ARCH_MEM_DOMAIN_DATA>` if \ :option:`USERSPACE <CONFIG_USERSPACE>`

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



At ``<Zephyr Architecture>/arm64/core/Kconfig:151``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:29`` → ``<Zephyr Architecture>/Kconfig:12`` → ``<Zephyr Architecture>/arm64/Kconfig:32``

Menu path: (Top) → ARM64 Options

.. code-block:: kconfig

    config ARM_MMU
    	bool "ARM MMU Support"
    	default n if CPU_AARCH64_CORTEX_R
    	default y
    	select MMU
    	select SRAM_REGION_PERMISSIONS
    	select ARCH_MEM_DOMAIN_SYNCHRONOUS_API if USERSPACE
    	select ARCH_MEM_DOMAIN_DATA if USERSPACE
    	depends on (CPU_CORTEX_A || CPU_AARCH64_CORTEX_R) && ARM64
    	help
    	  Memory Management Unit support.

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