Implement HlLoadInterruptDescriptorTable() intrinsics for loading IDT

sdk/xtdk/amd64/hlfuncs.h

@@ -63,6 +63,10 @@ XTCDECL
 VOID
 HlLoadGlobalDescriptorTable(IN PVOID Source);
 
+XTCDECL
+VOID
+HlLoadInterruptDescriptorTable(IN PVOID Source);
+
 XTCDECL
 VOID
 HlLoadSegment(IN USHORT Segment,

sdk/xtdk/i686/hlfuncs.h

@@ -63,6 +63,10 @@ XTCDECL
 VOID
 HlLoadGlobalDescriptorTable(IN PVOID Source);
 
+XTCDECL
+VOID
+HlLoadInterruptDescriptorTable(IN PVOID Source);
+
 XTCDECL
 VOID
 HlLoadSegment(IN USHORT Segment,

xtoskrnl/hl/amd64/cpufunc.c

@@ -256,6 +256,26 @@ HlLoadGlobalDescriptorTable(IN PVOID Source)
                  : "memory");
 }
 
+/**
+ * Loads the values in the source operand into the interrupt descriptor table register (IDTR).
+ *
+ * @param Source
+ *        Specifies a memory location that contains the base address of IDT.
+ *
+ * @return This routine does not return any value.
+ *
+ * @since XT 1.0
+ */
+XTCDECL
+VOID
+HlLoadInterruptDescriptorTable(IN PVOID Source)
+{
+    asm volatile("lidt %0"
+                 :
+                 : "m" (*(PSHORT)Source)
+                 : "memory");
+}
+
 /**
  * Loads source data into specified segment.
  *

xtoskrnl/hl/i686/cpufunc.c

@@ -256,6 +256,26 @@ HlLoadGlobalDescriptorTable(IN PVOID Source)
                  : "memory");
 }
 
+/**
+ * Loads the values in the source operand into the interrupt descriptor table register (IDTR).
+ *
+ * @param Source
+ *        Specifies a memory location that contains the base address of IDT.
+ *
+ * @return This routine does not return any value.
+ *
+ * @since XT 1.0
+ */
+XTCDECL
+VOID
+HlLoadInterruptDescriptorTable(IN PVOID Source)
+{
+    asm volatile("lidt %0"
+                 :
+                 : "m" (*(PSHORT)Source)
+                 : "memory");
+}
+
 /**
  * Loads source data into specified segment.
  *