hal/halx86/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  *                  Eric Kohl
   8  */
   9
  10 /* INCLUDES ******************************************************************/
  11
  12 #include <hal.h>
  13 #define NDEBUG
  14 #include <debug.h>
  15
  16 /* FUNCTIONS *****************************************************************/
  17
  18 /*
  19  * @implemented
  20  */
  21 VOID
  22 NTAPI
  23 HalStopProfileInterrupt(IN KPROFILE_SOURCE ProfileSource)
  24 {
  25     UCHAR StatusB;
  26
  27     /* Acquire the CMOS lock */
  28     HalpAcquireSystemHardwareSpinLock();
  29
  30     /* Read Status Register B */
  31     StatusB = HalpReadCmos(RTC_REGISTER_B);
  32
  33     /* Disable periodic interrupts */
  34     StatusB = StatusB & ~RTC_REG_B_PI;
  35
  36     /* Write new value into Status Register B */
  37     HalpWriteCmos(RTC_REGISTER_B, StatusB);
  38
  39     /* Release the CMOS lock */
  40     HalpReleaseCmosSpinLock();
  41 }
  42
  43 /*
  44  * @unimplemented
  45  */
  46 VOID
  47 NTAPI
  48 HalStartProfileInterrupt(IN KPROFILE_SOURCE ProfileSource)
  49 {
  50     UNIMPLEMENTED;
  51     return;
  52 }
  53
  54 /*
  55  * @unimplemented
  56  */
  57 ULONG_PTR
  58 NTAPI
  59 HalSetProfileInterval(IN ULONG_PTR Interval)
  60 {
  61     UNIMPLEMENTED;
  62     return Interval;
  63 }