X-Git-Url: https://git.reactos.org/?p=reactos.git;a=blobdiff_plain;f=reactos%2Fhal%2Fhalx86%2Fgeneric%2Fprofil.c;h=b145942d9ab9b3d638c28e6a296588e8d66417a2;hp=53d653a0d1e2058938b9aa2d71e04307c10d9cbf;hb=8d574b3e5a267eb6b83d97f51b34acbf9d413ded;hpb=d59da19b08e81b8b4b65e11c8fc4819f0f761d73

diff --git a/reactos/hal/halx86/generic/profil.c b/reactos/hal/halx86/generic/profil.c
index 53d653a0d1e..b145942d9ab 100644
--- a/reactos/hal/halx86/generic/profil.c
+++ b/reactos/hal/halx86/generic/profil.c
@@ -4,6 +4,7 @@
  * FILE:            hal/halx86/generic/profil.c
  * PURPOSE:         System Profiling
  * PROGRAMMERS:     Alex Ionescu (alex.ionescu@reactos.org)
+ *                  Eric Kohl
  */
 
 /* INCLUDES ******************************************************************/
@@ -15,14 +16,28 @@
 /* FUNCTIONS *****************************************************************/
 
 /*
- * @unimplemented
+ * @implemented
  */
 VOID
 NTAPI
 HalStopProfileInterrupt(IN KPROFILE_SOURCE ProfileSource)
 {
-    UNIMPLEMENTED;
-    return;
+    UCHAR StatusB;
+
+    /* Acquire the CMOS lock */
+    HalpAcquireSystemHardwareSpinLock();
+
+    /* Read Status Register B */
+    StatusB = HalpReadCmos(RTC_REGISTER_B);
+
+    /* Disable periodic interrupts */
+    StatusB = StatusB & ~RTC_REG_B_PI;
+
+    /* Write new value into Status Register B */
+    HalpWriteCmos(RTC_REGISTER_B, StatusB);
+
+    /* Release the CMOS lock */
+    HalpReleaseCmosSpinLock();
 }
 
 /*