This is the documentation for the latest (main) development branch of Zephyr. If you are looking for the documentation of previous releases, use the drop-down menu on the left and select the desired version.


(No prompt – not directly user assignable.)

Type: int

Direct dependencies


(Includes any dependencies from ifs and menus.)

Kconfig definition

At arch/arm64/core/Kconfig:204

Included via Kconfig:8Kconfig.zephyr:39arch/Kconfig:12arch/arm64/Kconfig:32

Menu path: (Top) → ARM64 Options

config ARM64_VA_BITS
    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.)