From b164d2c1b8ff2dd764dcf064e2624dd4aa78c112 Mon Sep 17 00:00:00 2001
From: Kevin O'Connor <kevin@koconnor.net>
Date: Sat, 26 Dec 2009 23:24:52 -0500
Subject: [PATCH] Clear user reserved interrupts (0x60-0x66).

This patch is equivalent to a patch recently committed to Bochs bios
(d8b4b998).
---
 src/post.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/post.c b/src/post.c
index 6964f38..f087a27 100644
--- a/src/post.c
+++ b/src/post.c
@@ -66,6 +66,10 @@ init_ivt()
     set_irq(0x1a, entry_1a);
     set_irq(0x40, entry_40);
 
+    // INT 60h-66h reserved for user interrupt
+    for (i=0x60; i<=0x66; i++)
+        SET_IVT(i, SEGOFF(0, 0));
+
     // set vector 0x79 to zero
     // this is used by 'gardian angel' protection system
     SET_IVT(0x79, SEGOFF(0, 0));
-- 
2.39.5