xnu-792.24.17.tar.gz

[apple/xnu.git] / iokit / Drivers / platform / drvAppleIntelClock / IntelClock.cpp

diff --git a/iokit/Drivers/platform/drvAppleIntelClock/IntelClock.cpp b/iokit/Drivers/platform/drvAppleIntelClock/IntelClock.cpp
new file mode 100644 (file)
index 0000000..c84abc4
--- /dev/null
+++ b/iokit/Drivers/platform/drvAppleIntelClock/IntelClock.cpp
@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ * 
+ * The contents of this file constitute Original Code as defined in and
+ * are subject to the Apple Public Source License Version 1.1 (the
+ * "License").  You may not use this file except in compliance with the
+ * License.  Please obtain a copy of the License at
+ * http://www.apple.com/publicsource and read it before using this file.
+ * 
+ * This Original Code and all software distributed under the License are
+ * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
+ * License for the specific language governing rights and limitations
+ * under the License.
+ * 
+ * @APPLE_LICENSE_HEADER_END@
+ */
+//
+// Backdoor hack for Intel Clock.
+//
+//
+
+#include "AppleIntelClock.h"
+
+#define super IOService
+OSDefineMetaClassAndStructors(AppleIntelClock, IOService);
+
+bool
+AppleIntelClock::start(IOService *provider)
+{
+       if (!super::start(provider))
+               return false;
+
+       /*
+        * The clock is already provided by the kernel, so all we need 
+        * here is publish its availability for any IOKit client to use.
+        */
+       publishResource("IORTC", this);
+       return true;
+}