reactos/hal/halppc/generic/profil.c

61 lines
1.2 KiB
C

/*
* PROJECT: ReactOS HAL
* LICENSE: GPL - See COPYING in the top level directory
* FILE: hal/halppc/generic/profil.c
* PURPOSE: System Profiling
* PROGRAMMERS: Alex Ionescu (alex.ionescu@reactos.org)
*/
/* INCLUDES ******************************************************************/
#include <hal.h>
#define NDEBUG
#include <debug.h>
/* FUNCTIONS *****************************************************************/
/*
* @unimplemented
*/
VOID
NTAPI
HalStopProfileInterrupt(IN KPROFILE_SOURCE ProfileSource)
{
UNIMPLEMENTED;
return;
}
/*
* @unimplemented
*/
VOID
NTAPI
HalStartProfileInterrupt(IN KPROFILE_SOURCE ProfileSource)
{
UNIMPLEMENTED;
return;
}
/*
* @unimplemented
*/
ULONG_PTR
NTAPI
HalSetProfileInterval(IN ULONG_PTR Interval)
{
UNIMPLEMENTED;
return Interval;
}
ULONG HalpDecrementerRoll = 0;
LARGE_INTEGER
KeQueryPerformanceCounter(PLARGE_INTEGER PerformanceFrequency)
{
LARGE_INTEGER Result;
/* for now */
if(PerformanceFrequency) PerformanceFrequency->QuadPart = 100000000;
Result.HighPart = HalpDecrementerRoll;
Result.LowPart = __rdtsc();
return Result;
}