Register interrupt handlers once the APIC initialization is done

2023-11-28 14:20:23 +01:00
parent c4ccf52782
commit d17b06a180
6 changed files with 90 additions and 3 deletions
--- a/xtoskrnl/ar/amd64/procsup.c
+++ b/xtoskrnl/ar/amd64/procsup.c
@@ -539,8 +539,8 @@ ArpSetIdtGate(IN PKIDTENTRY Idt,
              IN USHORT Access)
 {
    /* Setup the gate */
-    Idt[Vector].OffsetLow = (ULONG_PTR)Handler;
-    Idt[Vector].OffsetMiddle = ((ULONG_PTR)Handler >> 16);
+    Idt[Vector].OffsetLow = ((ULONG_PTR)Handler & 0xFFFF);
+    Idt[Vector].OffsetMiddle = (((ULONG_PTR)Handler >> 16) & 0xFFFF);
    Idt[Vector].OffsetHigh = (ULONG_PTR)Handler >> 32;
    Idt[Vector].Dpl = Access;
    Idt[Vector].IstIndex = Ist;