From 876f4845f258ed09d348135d8af8cf4a17de1b8a Mon Sep 17 00:00:00 2001
From: Gabe Black <gblack@eecs.umich.edu>
Date: Sun, 12 Oct 2008 13:44:24 -0700
Subject: X86: Make the local APIC handle interrupt messages from the IO APIC.

---
 src/arch/x86/intmessage.hh | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

(limited to 'src/arch/x86/intmessage.hh')

diff --git a/src/arch/x86/intmessage.hh b/src/arch/x86/intmessage.hh
index 64e821a41..a018a997b 100644
--- a/src/arch/x86/intmessage.hh
+++ b/src/arch/x86/intmessage.hh
@@ -44,8 +44,47 @@ namespace X86ISA
         Bitfield<15, 8> vector;
         Bitfield<18, 16> deliveryMode;
         Bitfield<19> destMode;
+        Bitfield<20> level;
+        Bitfield<21> trigger;
     EndBitUnion(TriggerIntMessage)
 
+    namespace DeliveryMode
+    {
+        enum IntDeliveryMode {
+            Fixed = 0,
+            LowestPriority = 1,
+            SMI = 2,
+            NMI = 4,
+            INIT = 5,
+            ExtInt = 7,
+            NumModes
+        };
+
+        static const char * const names[NumModes] = {
+            "Fixed", "LowestPriority", "SMI", "Reserved",
+            "NMI", "INIT", "Reserved", "ExtInt"
+        };
+
+        static inline bool
+        isUnmaskable(int mode)
+        {
+            return (mode == SMI || mode == NMI ||
+                    mode == INIT || mode == ExtInt);
+        }
+
+        static inline bool
+        isMaskable(int mode)
+        {
+            return (mode == Fixed || mode == LowestPriority);
+        }
+
+        static inline bool
+        isReserved(int mode)
+        {
+            return !(isMaskable(mode) || isUnmaskable(mode));
+        }
+    }
+
     static const Addr TriggerIntOffset = 0;
 
     static inline PacketPtr
-- 
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