Handle local APIC exceptions

src/hulk/idt.d

@@ -8,9 +8,14 @@ import ldc.llvmasm;
 import hulk.fb;
 import hulk.console;
 import hulk.klog;
+import hulk.apic;
 
 struct idt
 {
+    public static enum ulong EXCEPTION_LAPIC_TIMER = 0x70u;
+    public static enum ulong EXCEPTION_LAPIC_LINT0 = 0x71u;
+    public static enum ulong EXCEPTION_LAPIC_LINT1 = 0x72u;
+
     struct idtr_t
     {
         ushort limit;
@@ -94,12 +99,19 @@ struct idt
 
 public extern(C) void isr(ulong vector, ulong arg)
 {
-    console.clear();
-    fb.clear(0xFF8000u);
-    klog.writefln("ISR %u, 0x%x", vector, arg);
-    __asm("cli", "");
-    for (;;)
+    if ((idt.EXCEPTION_LAPIC_TIMER <= vector) && (vector <= idt.EXCEPTION_LAPIC_LINT1))
     {
-        __asm("hlt", "");
+        apic.isr(vector);
+    }
+    else
+    {
+        console.clear();
+        fb.clear(0xFF8000u);
+        klog.writefln("ISR %u, 0x%x", vector, arg);
+        __asm("cli", "");
+        for (;;)
+        {
+            __asm("hlt", "");
+        }
     }
 }