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 arch/arc/Kconfig:170
Included via Kconfig:8 → Kconfig.zephyr:39 → arch/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.)