/**
* @brief Plays a tone.
*
* @param[in] freq approximated tone frequency
* @param[in] duration tone duration in systicks
*/
void buzzPlayWait(uint32_t freq, systime_t duration) {
TC *tc = T1Base;
StopCounter(tc);
tc->TC_MR0 = tc->TC_MR1 = (PCLK / (freq * 2));
StartCounter(tc);
chThdSleep(duration);
StopCounter(tc);
}
/**
* @brief Stops the sound.
*
* @param[in] p pointer to the timer
*/
static void stop(void *p) {
StopCounter((TC *)p);
chSysLockFromIsr();
chEvtBroadcastI(&BuzzerSilentEventSource);
chSysUnlockFromIsr();
}
int StopSampling(void)
{
#ifdef USE_NMI
int cpuId = smp_processor_id();
if (cpuId == 0)
{
WRITEMSR(INS_FIXED_MSR, 0x08);
}
#endif
StopCounter(&counterPackage);
return 0;
}
/**
* @brief Plays a tone asynchronously.
*
* @param[in] freq approximated tone frequency
* @param[in] duration tone duration in systicks
*/
void buzzPlay(uint32_t freq, systime_t duration) {
static VirtualTimer bvt;
TC *tc = T1Base;
chSysLock();
if (chVTIsArmedI(&bvt)) { /* If a sound is already being */
chVTResetI(&bvt); /* played then aborts it. */
StopCounter(tc);
}
tc->TC_MR0 = tc->TC_MR1 = (PCLK / (freq * 2));
StartCounter(tc);
chVTSetI(&bvt, duration, stop, tc);
chSysUnlock();
}
/**
* @brief Buzzer driver initialization.
*/
void buzzInit(void) {
chEvtInit(&BuzzerSilentEventSource);
/*
* Switches P0.12 and P0.13 to MAT1.0 and MAT1.1 functions.
* Enables Timer1 clock.
*/
PINSEL0 &= 0xF0FFFFFF;
PINSEL0 |= 0x0A000000;
PCONP = (PCONP & PCALL) | PCTIM1;
/*
* Timer setup.
*/
TC *tc = T1Base;
StopCounter(tc);
tc->TC_CTCR = 0; /* Clock source is PCLK. */
tc->TC_PR = 0; /* Prescaler disabled. */
tc->TC_MCR = 2; /* Clear TC on match MR0. */
}
/*
void ReadEIP(PEIP_RECORD pRecord)
{
W32 high, low, i, top;
rdmsr(0x1da, low, high);
top = low;
for(i = 0; i < MAX_EIP_NUM; i++)
{
top = (top+i) % MAX_EIP_NUM;
rdmsr(0x680+top, low, high);
pRecord->eipFrom[i] = ((W64)high << 32) | low;
rdmsr(0x6c0+top, low, high);
pRecord->eipTo[i] = ((W64)high << 32) | low;
}
}
*/
int CollectSampling(void)
{
int cpuId;
//W32 low, high;
SAMPLE_RECORD record;
PROFILING_RECORD profiling;
unsigned long irqFlags;
#ifdef DBG
W32 i;
#endif
W64 *pointer;
//if (counterPackage.eipNum > 0)
//{
//stop branch recording
// rdmsr(0x1d9, low, high);
// low &= 0xfffffffe;
// wrmsr(0x1d9, low, high);
//
//}
cpuId = smp_processor_id();
#ifdef DBG
printk("collect sampling on core %d\n", cpuId);
#endif
StopCounter(&counterPackage);
//rdtsc(low, high);
//record.sampleHeader.rdtsc = (((W64)high)<<32) | low;
record.sampleHeader.rdtsc = __native_read_tsc();
record.sampleHeader.sampleId = sampleId;
record.sampleHeader.cpuId = cpuId;
ReadCounter(&counterPackage, &record);
#ifdef DBG
pointer = (W64*)(current->thread.sp0);
printk("a-------------------------------------------------------------\n");
for(i = 0; i < 8; i++)
{
//eipRecord.eipFrom[i] = (*pointer);
printk("Addr %p: %p\n", pointer, (*pointer));
pointer--;
//eipRecord.eipTo[i] = (*pointer);
printk("Addr %p: %p\n", pointer, (*pointer));
pointer--;
}
printk("b-------------------------------------------------------------\n");
//printk("rsp: %p\n",curThread.rsp);
//printk("rsp0: %p\n",curThread.rsp0);
#endif
if (counterPackage.profiling > 0)
{
pointer = (W64*)(current->thread.sp0);
profiling.pid = (W64)current->pid;
pointer -= 5;
profiling.eip = (*pointer);
/* if(sampleId == 0)
{
printk("cpuId: %d eip: %p\n", cpuId, profiling.eip);
printk("pid: %u\n", profiling.pid);
}
*/ }
spin_lock_irqsave(&buffer_lock, irqFlags);
#ifdef DBG
printk("%d cpu get spinlock and write %d bytes to buffer\n", cpuId, sizeof(SAMPLE_HEADER) + sizeof(W64) * counterPackage.usedNum);
#endif
AddSampleToBuff(&record, sizeof(SAMPLE_HEADER) + sizeof(W64) * counterPackage.usedNum);
if (counterPackage.profiling > 0)
{
AddSampleToBuff(&profiling, sizeof(PROFILING_RECORD));
}
spin_unlock_irqrestore(&buffer_lock, irqFlags);
//start branch recording
//rdmsr(0x1d9, low, high);
//low |= 1;
//wrmsr(0x1d9, low, high);
//
#ifdef USE_NMI
WRITEMSR(INS_FIXED_COUNTER, COUNTER_OVERFLOW);
#endif
StartCounter(&counterPackage);
return 0;
}
void CEnvHudCounter::InputStopCounter( inputdata_t &inputdata )
{
StopCounter();
m_OnCounterStopped.FireOutput( this, this );
}
void CEnvHudCounter::PauseCounter()
{
m_flPausedTime = m_flTime;
m_bPaused = true;
StopCounter();
}
/**
* @brief Stops the sound.
*
* @param[in] p pointer to the timer
*/
static void stop(void *p) {
StopCounter((TC *)p);
chEvtBroadcastI(&BuzzerSilentEventSource);
}