reactos/hal/halppc/generic/profil.c

   1 /*
   2  * PROJECT:         ReactOS HAL
   3  * LICENSE:         GPL - See COPYING in the top level directory
   4  * FILE:            hal/halx86/generic/profil.c
   5  * PURPOSE:         System Profiling
   6  * PROGRAMMERS:     Alex Ionescu (alex.ionescu@reactos.org)
   7  */
   8
   9 /* INCLUDES ******************************************************************/
  10
  11 #include <hal.h>
  12 #define NDEBUG
  13 #include <debug.h>
  14
  15 /* FUNCTIONS *****************************************************************/
  16
  17 /*
  18  * @unimplemented
  19  */
  20 VOID
  21 NTAPI
  22 HalStopProfileInterrupt(IN KPROFILE_SOURCE ProfileSource)
  23 {
  24     KEBUGCHECK(0);
  25     return;
  26 }
  27
  28 /*
  29  * @unimplemented
  30  */
  31 VOID
  32 NTAPI
  33 HalStartProfileInterrupt(IN KPROFILE_SOURCE ProfileSource)
  34 {
  35     KEBUGCHECK(0);
  36     return;
  37 }
  38
  39 /*
  40  * @unimplemented
  41  */
  42 ULONG_PTR
  43 NTAPI
  44 HalSetProfileInterval(IN ULONG_PTR Interval)
  45 {
  46     KEBUGCHECK(0);
  47     return Interval;
  48 }
  49
  50 ULONG HalpDecrementerRoll = 0;
  51
  52 LARGE_INTEGER
  53 KeQueryPerformanceCounter(PLARGE_INTEGER PerformanceFrequency)
  54 {
  55     LARGE_INTEGER Result;
  56     /* for now */
  57     if(PerformanceFrequency) PerformanceFrequency->QuadPart = 100000000;
  58     Result.HighPart = HalpDecrementerRoll;
  59     Result.LowPart = __rdtsc();
  60     return Result;
  61 }