:orphan:

.. title:: choice: Physical address space size

.. _choice_269:

.. describe:: choice: Physical address space size

*Physical address space size*

Type: ``bool``

Help
====

.. code-block:: none

    Choose the maximum physical address range that the kernel will
    support.

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

\ :kconfig:`ARM_MMU <CONFIG_ARM_MMU>` && (\ :kconfig:`CPU_CORTEX_A <CONFIG_CPU_CORTEX_A>` || \ :kconfig:`CPU_AARCH64_CORTEX_R <CONFIG_CPU_AARCH64_CORTEX_R>`) && \ :kconfig:`ARM64 <CONFIG_ARM64>`

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

Default
=======

- \ :kconfig:`ARM64_PA_BITS_32 <CONFIG_ARM64_PA_BITS_32>`

Choice options
==============

- \ :kconfig:`ARM64_PA_BITS_32 <CONFIG_ARM64_PA_BITS_32>`
- \ :kconfig:`ARM64_PA_BITS_36 <CONFIG_ARM64_PA_BITS_36>`
- \ :kconfig:`ARM64_PA_BITS_40 <CONFIG_ARM64_PA_BITS_40>`
- \ :kconfig:`ARM64_PA_BITS_42 <CONFIG_ARM64_PA_BITS_42>`
- \ :kconfig:`ARM64_PA_BITS_48 <CONFIG_ARM64_PA_BITS_48>`

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



At ``<Zephyr Architecture>/arm64/core/Kconfig:212``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:39`` → ``<Zephyr Architecture>/Kconfig:12`` → ``<Zephyr Architecture>/arm64/Kconfig:32``

Menu path: (Top) → ARM64 Options

.. code-block:: kconfig

    choice
    	bool "Physical address space size"
    	default ARM64_PA_BITS_32
    	depends on ARM_MMU && (CPU_CORTEX_A || CPU_AARCH64_CORTEX_R) && ARM64
    	help
    	  Choose the maximum physical address range that the kernel will
    	  support.

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