xnu-792.25.20.tar.gz

[apple/xnu.git] / osfmk / ppc / commpage / bcopy_64.s

diff --git a/osfmk/ppc/commpage/bcopy_64.s b/osfmk/ppc/commpage/bcopy_64.s
index 60df800ecde071a7b604a244cea879c227d76256..e336c2ea63700196a52bba84ca3c44a2b6669e6a 100644 (file)
--- a/osfmk/ppc/commpage/bcopy_64.s
+++ b/osfmk/ppc/commpage/bcopy_64.s
@@ -3,22 +3,19 @@
  *
  * @APPLE_LICENSE_HEADER_START@
  * 
- * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
+ * 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. 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
+ * 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, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
+ * 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@
  */
@@ -31,6 +28,10 @@
  * Altivec bugs that need to be worked around.  It is not particularly well
  * optimized.
  *
+ * For 64-bit processors with a 128-byte cache line, running in either 
+ * 32- or 64-bit mode.  This is written for 32-bit execution, the kernel
+ * will translate to 64-bit code when it compiles the 64-bit commpage.
+ *
  * Register usage.  Note we use R2, so this code will not run in a PEF/CFM
  * environment.
  *   r0  = "w7" or temp
@@ -67,7 +68,6 @@
 #include <machine/commpage.h>
 
         .text
-        .globl         EXT(bcopy_64)
 
 #define        kLong           64                              // too long for inline loopless code
 
@@ -298,4 +298,4 @@ LRevAligned:
         
         b              LShortReverse64
 
-        COMMPAGE_DESCRIPTOR(bcopy_64,_COMM_PAGE_BCOPY,k64Bit,kHasAltivec,0)
+       COMMPAGE_DESCRIPTOR(bcopy_64,_COMM_PAGE_BCOPY,k64Bit,kHasAltivec,kCommPageBoth+kPort32to64)