xnu-1456.1.26.tar.gz

[apple/xnu.git] / bsd / i386 / param.h

diff --git a/bsd/i386/param.h b/bsd/i386/param.h
index f5e43d3f6769d6409d4319dce9a720e9b92dc9b8..03a38d2ce69358dc99a13d7ce870578d0f19b493 100644 (file)
--- a/bsd/i386/param.h
+++ b/bsd/i386/param.h
@@ -1,23 +1,29 @@
 /*
  * Copyright (c) 2000-2002 Apple Computer, 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@
  */
 /*-
  * Copyright (c) 1990, 1993
@@ -66,13 +72,15 @@
 #ifndef _I386_PARAM_H_
 #define _I386_PARAM_H_
 
+#include <i386/_param.h>
+
 /*
  * Round p (pointer or byte index) up to a correctly-aligned value for all
- * data types (int, long, ...).   The result is u_int and must be cast to
- * any desired pointer type.
+ * data types (int, long, ...).   The result is unsigned int and must be
+ * cast to any desired pointer type.
  */
-#define        ALIGNBYTES      3
-#define        ALIGN(p)        (((u_int)(p) + ALIGNBYTES) &~ ALIGNBYTES)
+#define        ALIGNBYTES      __DARWIN_ALIGNBYTES
+#define        ALIGN(p)        __DARWIN_ALIGN(p)
 
 #define        NBPG            4096            /* bytes/page */
 #define        PGOFSET         (NBPG-1)        /* byte offset into page */
@@ -81,9 +89,7 @@
 #define        DEV_BSIZE       512
 #define        DEV_BSHIFT      9               /* log2(DEV_BSIZE) */
 #define BLKDEV_IOSIZE  2048
-#define        MAXPHYS         (64 * 1024)     /* max raw I/O transfer size */
-
-#define        STACK_GROWS_UP  0               /* stack grows to lower addresses */
+#define        MAXPHYS         (128 * 1024)    /* max raw I/O transfer size */
 
 #define        CLSIZE          1
 #define        CLSIZELOG2      0