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

ARC_FIRQ && RGF_NUM_BANKS > 1 && ARC

(Includes any dependencies from ifs and menus.)

Defaults

No defaults. Implicitly defaults to n.

Kconfig definition

At <Architecture>/arc/Kconfig:170

Included via Kconfig:8 → Kconfig.zephyr:39 → <Architecture>/Kconfig:12

Menu path: (Top) → ARC Options → ARC CPU Options → FIRQ enable

config ARC_FIRQ_STACK
    bool "Enable separate firq stack"
    depends on ARC_FIRQ && RGF_NUM_BANKS > 1 && 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.)