xnu-1228.12.14.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..4d0b2c9bd189a3bf535254c68fc01de0ad666a27 100644 (file)
--- a/osfmk/ppc/commpage/bcopy_64.s
+++ b/osfmk/ppc/commpage/bcopy_64.s
@@ -1,16 +1,19 @@
 /*
  * Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
- * 
- * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
  * 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.
+ * 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.
+ * 
+ * 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
@@ -20,7 +23,7 @@
  * Please see the License for the specific language governing rights and
  * limitations under the License.
  * 
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 /* =======================================
  * BCOPY, MEMCPY, and MEMMOVE for Mac OS X
@@ -31,6 +34,10 @@
  * 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
@@ -60,14 +67,12 @@
 #define        w7      r0
 #define        w8      r2
 
-#define        ASSEMBLER
 #include <sys/appleapiopts.h>
 #include <ppc/asm.h>
 #include <machine/cpu_capabilities.h>
 #include <machine/commpage.h>
 
         .text
-        .globl         EXT(bcopy_64)
 
 #define        kLong           64                              // too long for inline loopless code
 
@@ -298,4 +303,4 @@ LRevAligned:
         
         b              LShortReverse64
 
-        COMMPAGE_DESCRIPTOR(bcopy_64,_COMM_PAGE_BCOPY,k64Bit,kHasAltivec,0)
+       COMMPAGE_DESCRIPTOR(bcopy_64,_COMM_PAGE_BCOPY,k64Bit,kHasAltivec,kCommPageBoth+kPort32to64)