src/cachecontrol/arm64/cache.s

   1 /*
   2  * Copyright (c) 2011 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 #include <mach/arm/syscall_sw.h>
  25
  26 /* void sys_icache_invalidate(addr_t start, int length) */
  27 .globl  _sys_icache_invalidate
  28 _sys_icache_invalidate:
  29         /* fast trap for icache_invalidate */
  30         mov     x3, #0
  31         mov     x16, #0x80000000
  32         svc     #SWI_SYSCALL
  33         ret
  34
  35 /* void sys_dcache_flush(addr_t start, int length) */
  36 .globl  _sys_dcache_flush
  37 _sys_dcache_flush:
  38         /* fast trap for dcache_flush */
  39         mov     x3, #1
  40         mov     x16, #0x80000000
  41         svc     #SWI_SYSCALL
  42         ret
  43