2 files changed, 18 insertions, 0 deletions
diff --git a/src/arch/x86/interrupts.cc b/src/arch/x86/interrupts.cc
index dc4193f36..88d200b80 100644
--- a/src/arch/x86/interrupts.cc
+++ b/src/arch/x86/interrupts.cc
@@ -59,6 +59,9 @@
 #include "arch/x86/interrupts.hh"
 #include "arch/x86/intmessage.hh"
 #include "cpu/base.hh"
+#include "dev/x86/i82094aa.hh"
+#include "dev/x86/pc.hh"
+#include "dev/x86/south_bridge.hh"
 #include "mem/packet_access.hh"
 #include "sim/system.hh"
 
@@ -306,6 +309,16 @@ X86ISA::Interrupts::setCPU(BaseCPU * newCPU)
 }
 
 
+void
+X86ISA::Interrupts::init()
+{
+    BasicPioDevice::init();
+    Pc * pc = dynamic_cast<Pc *>(platform);
+    assert(pc);
+    pc->southBridge->ioApic->registerLocalApic(initialApicId, this);
+}
+
+
 Tick
 X86ISA::Interrupts::recvMessage(PacketPtr pkt)
 {
diff --git a/src/arch/x86/interrupts.hh b/src/arch/x86/interrupts.hh
index 33fafd941..e1bd676db 100644
--- a/src/arch/x86/interrupts.hh
+++ b/src/arch/x86/interrupts.hh
@@ -214,6 +214,11 @@ class Interrupts : public BasicPioDevice, IntDev
     }
 
     /*
+     * Initialize this object by registering it with the IO APIC.
+     */
+    void init();
+
+    /*
      * Functions to interact with the interrupt port from IntDev.
      */
     Tick read(PacketPtr pkt);