[Xen-changelog] [xen-unstable] x86 hvm: Support interrupt delivery for PIT channel 0 when in modes 3 and 4.

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1210087224 -3600
# Node ID a95c2e36d6fda747279123ab13bfaf40c4041337
# Parent  ab2d9e75098d5a17b38d3d84bd8c65d9d4f39b9f
x86 hvm: Support interrupt delivery for PIT channel 0 when in modes 3 and 4.
Signed-off-by: Keir Fraser <keir.fraser@xxxxxxxxxx>
---
 xen/arch/x86/hvm/i8254.c |   28 +++++++++++++++-------------
 1 files changed, 15 insertions(+), 13 deletions(-)

diff -r ab2d9e75098d -r a95c2e36d6fd xen/arch/x86/hvm/i8254.c
--- a/xen/arch/x86/hvm/i8254.c  Tue May 06 15:31:15 2008 +0100
+++ b/xen/arch/x86/hvm/i8254.c  Tue May 06 16:20:24 2008 +0100
@@ -206,19 +206,21 @@ static void pit_load_count(PITState *pit
 
     switch ( s->mode )
     {
-        case 2:
-            /* Periodic timer. */
-            create_periodic_time(v, &pit->pt0, period, 0, 0, pit_time_fired, 
-                                 &pit->count_load_time[channel]);
-            break;
-        case 1:
-            /* One-shot timer. */
-            create_periodic_time(v, &pit->pt0, period, 0, 1, pit_time_fired,
-                                 &pit->count_load_time[channel]);
-            break;
-        default:
-            destroy_periodic_time(&pit->pt0);
-            break;
+    case 2:
+    case 3:
+        /* Periodic timer. */
+        create_periodic_time(v, &pit->pt0, period, 0, 0, pit_time_fired, 
+                             &pit->count_load_time[channel]);
+        break;
+    case 1:
+    case 4:
+        /* One-shot timer. */
+        create_periodic_time(v, &pit->pt0, period, 0, 1, pit_time_fired,
+                             &pit->count_load_time[channel]);
+        break;
+    default:
+        destroy_periodic_time(&pit->pt0);
+        break;
     }
 }
 

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