neorv32_hwspinlock.c File Reference

Hardware spinlock (HWSPINLOCK) HW driver source file. More...

#include <neorv32.h>

Functions
int	neorv32_hwspinlock_available (void)
int	neorv32_hwspinlock_acquire (int select)
void	neorv32_hwspinlock_acquire_blocking (int select)
void	neorv32_hwspinlock_release (int select)
int	neorv32_hwspinlock_probe (int select)
void	neorv32_hwspinlock_clear (void)

Detailed Description

Hardware spinlock (HWSPINLOCK) HW driver source file.

Function Documentation

neorv32_hwspinlock_acquire()

int neorv32_hwspinlock_acquire

(

int

select

)

Try to acquire hardware spinlock.

Parameters

select

Spinlock select (0..31).

Returns

zero if spinlock successfully acquired, non-zero otherwise.

neorv32_hwspinlock_acquire_blocking()

void neorv32_hwspinlock_acquire_blocking

(

int

select

)

Block until spinlock is acquired.

Parameters

select

Spinlock select (0..31).

neorv32_hwspinlock_available()

int neorv32_hwspinlock_available

(

void

)

Check if hardware spinlock module was synthesized.

Returns

0 if HWSPINLOCK was not synthesized, 1 if HWSPINLOCK is available.

neorv32_hwspinlock_clear()

void neorv32_hwspinlock_clear

(

void

)

Clear/release all hardware spinlocks.

neorv32_hwspinlock_probe()

int neorv32_hwspinlock_probe

(

int

select

)

Probe state of hardware spinlock.

Parameters

select

Spinlock select (0..31).

Returns

State of selected spinlock (0 = unlocked, 1 = locked/acquired).

neorv32_hwspinlock_release()

void neorv32_hwspinlock_release

(

int

select

)

Release hardware spinlock.

Parameters

select

Spinlock select (0..31).