xnu-1456.1.26.tar.gz

[apple/xnu.git] / bsd / machine / spl.h

diff --git a/bsd/machine/spl.h b/bsd/machine/spl.h
index 89d75fad5c5c5ba46edb58665a5df2a32e02494c..ea806c0ce637bee40352fe13f3cfbeba50c4f5ee 100644 (file)
--- a/bsd/machine/spl.h
+++ b/bsd/machine/spl.h
@@ -1,35 +1,67 @@
 /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2007 Apple Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_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 file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
  * 
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ * 
+ * The 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.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
  * 
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 #ifndef _BSD_MACHINE_SPL_H_
 #define _BSD_MACHINE_SPL_H_
 
+#ifdef KERNEL
+#ifndef __ASSEMBLER__
+
+#if !defined(__LP64__) || defined(XNU_KERNEL_PRIVATE)
+/*
+ *     Machine-dependent SPL definitions.
+ *
+ */
+typedef unsigned       spl_t;
+
+extern unsigned        int sploff(void);
+extern unsigned        int splhigh(void);
+extern unsigned        int splsched(void);
+extern unsigned        int splclock(void);
+extern unsigned        int splpower(void);
+extern unsigned        int splvm(void);
+extern unsigned        int splbio(void);
+extern unsigned        int splimp(void);
+extern unsigned        int spltty(void);
+extern unsigned        int splnet(void);
+extern unsigned        int splsoftclock(void);
+
+extern void    spllo(void);
+extern void    spl0(void);
+extern void    splon(unsigned int level);
+extern void    splx(unsigned int level);
+extern void    spln(unsigned int level);
+#define splstatclock() splhigh()
+
+#endif  /* !__LP64__ || XNU_KERNEL_PRIVATE */
+
+#endif /* __ASSEMBLER__ */
 
-#if defined (__ppc__)
-#include "ppc/spl.h"
-#elif defined (__i386__)
-#include "i386/spl.h"
-#else
-#error architecture not supported
-#endif
+#endif /* KERNEL */
 
 
 #endif /* _BSD_MACHINE_SPL_H_ */