Help¶

This option allows threads to use the floating point registers. By default, only a single thread may use the registers.

Disabling this option means that any thread that uses a floating point register will get a fatal exception.

Direct dependencies¶

CPU_HAS_FPU

(Includes any dependencies from if’s and menus.)

Defaults¶

No defaults. Implicitly defaults to n.

Kconfig definition¶

At arch/Kconfig:265

Included via Kconfig:10 → Kconfig.zephyr:23

Menu path: (top menu) → Floating Point Options

config FLOAT
    bool
    prompt "Floating point registers" if CPU_HAS_FPU
    depends on CPU_HAS_FPU
    help
      This option allows threads to use the floating point registers.
      By default, only a single thread may use the registers.

      Disabling this option means that any thread that uses a
      floating point register will get a fatal exception.

(Definitions include propagated dependencies, including from if’s and menus.)