:orphan:

.. title:: CONFIG_ARM64_VA_BITS

.. kconfig:: CONFIG_ARM64_VA_BITS

CONFIG_ARM64_VA_BITS
####################

*(No prompt -- not directly user assignable.)*

Type: ``int``

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.)*

Defaults
========

- 32 if \ :kconfig:`ARM64_VA_BITS_32 <CONFIG_ARM64_VA_BITS_32>`
- 36 if \ :kconfig:`ARM64_VA_BITS_36 <CONFIG_ARM64_VA_BITS_36>`
- 40 if \ :kconfig:`ARM64_VA_BITS_40 <CONFIG_ARM64_VA_BITS_40>`
- 42 if \ :kconfig:`ARM64_VA_BITS_42 <CONFIG_ARM64_VA_BITS_42>`
- 48 if \ :kconfig:`ARM64_VA_BITS_48 <CONFIG_ARM64_VA_BITS_48>`

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



At ``<Zephyr Architecture>/arm64/core/Kconfig:204``

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

Menu path: (Top) → ARM64 Options

.. code-block:: kconfig

    config ARM64_VA_BITS
    	int
    	default 32 if ARM64_VA_BITS_32
    	default 36 if ARM64_VA_BITS_36
    	default 40 if ARM64_VA_BITS_40
    	default 42 if ARM64_VA_BITS_42
    	default 48 if ARM64_VA_BITS_48
    	depends on ARM_MMU && (CPU_CORTEX_A || CPU_AARCH64_CORTEX_R) && ARM64

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