ppc/string/bzero.s

   1 /*
   2  * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23
  24 #define __APPLE_API_PRIVATE
  25 #include <machine/cpu_capabilities.h>
  26 #undef  __APPLE_API_PRIVATE
  27
  28 /* We use mode-independent "g" opcodes such as "srgi".  These expand
  29  * into word operations when targeting __ppc__, and into doubleword
  30  * operations when targeting __ppc64__.
  31  */
  32 #include <architecture/ppc/mode_independent_asm.h>
  33
  34
  35         .text
  36         .align  5
  37         .globl  _bzero
  38         .globl  ___bzero
  39
  40 // *************
  41 // * B Z E R O *
  42 // *************
  43 //
  44 // This function has migrated to the commpage.
  45
  46 _bzero:                                         // void bzero(void *b, size_t len);
  47 ___bzero:
  48         ba      _COMM_PAGE_BZERO