// ***************** prog.c ******************************************
//          SBC-DBG sample program for ARMCortex-A9. 
//			The program demonstrates memory store in infinite loop.
//
// (c) OJSC ELVEES, multicore.ru
//
// *******************************************************************
#define UINT				unsigned int
#define CORE0_Val			*((UINT volatile *)0x20000100)
#define CORE1_Val			*((UINT volatile *)0x20000104)
#define CORE0_WholeLoopCnt	*((volatile UINT*)0x20000108)
#define CORE1_WholeLoopCnt	*((volatile UINT*)0x2000010c)
extern int _get_cpu_id();

void infLoop(volatile int *valToWrite, volatile int *wholeLoopCnt )
{
	int counter = 0;
	static int maxCountVal = 0xffff;
	while(1)
	{
		if (counter == maxCountVal) {
			counter = 0;
			(*wholeLoopCnt)++;
		}
		*valToWrite = counter++;
	}
}

int main() {
	volatile UINT* pVal = 0;
	volatile UINT* pWholeLoopCnt = 0;
	if (_get_cpu_id() == 0) {
		pVal = &CORE0_Val;
		pWholeLoopCnt = &CORE0_WholeLoopCnt;
	} else {
		pVal = &CORE1_Val;
		pWholeLoopCnt = &CORE1_WholeLoopCnt;
	}
	*pVal = 0;
	*pWholeLoopCnt = 0;
	infLoop(pVal, pWholeLoopCnt);
}