:orphan:

.. title:: ARC_FIRQ_STACK

.. option:: CONFIG_ARC_FIRQ_STACK

*Enable separate firq stack*

Type: ``bool``

Help
====

Use separate stack for FIRQ handing. When the fast irq is also a direct
irq, this will get the minimal interrupt latency.

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

\ :option:`ARC_FIRQ <CONFIG_ARC_FIRQ>` && \ :option:`RGF_NUM_BANKS <CONFIG_RGF_NUM_BANKS>` > 1 && \ :option:`ARC <CONFIG_ARC>`

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

Defaults
========

No defaults. Implicitly defaults to ``n``.

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

.. highlight:: kconfig

At ``arch/arc/Kconfig:120``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:29`` → ``arch/Kconfig:12``

Menu path: (Top) → ARC Options → ARCv2 Family Options → FIRQ enable

.. parsed-literal::

    config ARC_FIRQ_STACK
    	bool "Enable separate firq stack"
    	depends on \ :option:`ARC_FIRQ <CONFIG_ARC_FIRQ>` && \ :option:`RGF_NUM_BANKS <CONFIG_RGF_NUM_BANKS>` > 1 && \ :option:`ARC <CONFIG_ARC>`
    	help
    	  Use separate stack for FIRQ handing. When the fast irq is also a direct
    	  irq, this will get the minimal interrupt latency.

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