Barrelfish
Functions
omap44xx_spinlock.h File Reference

kernel driver for the spinlock module, used for serial output see OMAP4460 TRM chapter 21 for a functional description More...

Functions

errval_t omap44xx_spinlock_init (void)
 Map the OMAP44xx spinlock device into kernel virtual memory and reset it.
 
void omap44xx_spinlock_acquire (unsigned locknumber)
 acquire an OMAP44xx spinlock. We repeatedly read the register; 0 means we have the lock, 1 means we have to try again.
 
void omap44xx_spinlock_release (unsigned locknumber)
 release an OMAP44xx spinlock.
 

Detailed Description

kernel driver for the spinlock module, used for serial output see OMAP4460 TRM chapter 21 for a functional description