/**
*
* This function starts the event counters in L2 Cache controller.
*
* @param None.
*
* @return None.
*
* @note None.
*
*****************************************************************************/
void XL2cc_EventCtrStart(void)
{
XL2cc_EventCtrReset();
/* Enable counter */
*((volatile u32*)(XPS_L2CC_BASEADDR + XPS_L2CC_EVNT_CNTRL_OFFSET)) = 1;
}
/**
*
* This function starts the event counters in L2 Cache controller.
*
* @param None.
*
* @return None.
*
* @note None.
*
*****************************************************************************/
void XL2cc_EventCtrStart(void)
{
u32 *LocalPtr;
LocalPtr = (u32 *)(XPS_L2CC_BASEADDR + XPS_L2CC_EVNT_CNTRL_OFFSET);
XL2cc_EventCtrReset();
/* Enable counter */
/* *((volatile u32*)((void *)(XPS_L2CC_BASEADDR + XPS_L2CC_EVNT_CNTRL_OFFSET))) = 1 */
*LocalPtr = (u32)1;
}
/**
*
* This function disables the event counters in L2 Cache controller, saves the
* counter values and resets the counters.
*
* @param EveCtr0 is an output parameter which is used to return the value
* in event counter 0.
* EveCtr1 is an output parameter which is used to return the value
* in event counter 1.
*
* @return None.
*
* @note None.
*
*****************************************************************************/
void XL2cc_EventCtrStop(u32 *EveCtr0, u32 *EveCtr1)
{
/* Disable counter */
*((volatile u32*) (XPS_L2CC_BASEADDR + XPS_L2CC_EVNT_CNTRL_OFFSET)) = 0;
/* Save counter values */
*EveCtr1 = *((volatile u32*)(XPS_L2CC_BASEADDR + XPS_L2CC_EVNT_CNT1_VAL_OFFSET));
*EveCtr0 = *((volatile u32*)(XPS_L2CC_BASEADDR + XPS_L2CC_EVNT_CNT0_VAL_OFFSET));
XL2cc_EventCtrReset();
}
/**
*
* This function initializes the event counters in L2 Cache controller with a
* set of event codes specified by the user.
*
* @param Event0 is the event code for counter 0.
* @param Event1 is the event code for counter 1.
* Use the event codes defined by XL2CC_* in xl2cc_counter.h.
*
* @return None.
*
* @note None.
*
*****************************************************************************/
void XL2cc_EventCtrInit(int Event0, int Event1)
{
/* Write event code into cnt1 cfg reg */
*((volatile u32*)(XPS_L2CC_BASEADDR + XPS_L2CC_EVNT_CNT1_CTRL_OFFSET)) = (Event1 << 2);
/* Write event code into cnt0 cfg reg */
*((volatile u32*)(XPS_L2CC_BASEADDR + XPS_L2CC_EVNT_CNT0_CTRL_OFFSET)) = (Event0 << 2);
/* Reset counters */
XL2cc_EventCtrReset();
}
