usr/src/uts/sparc/asm/flush.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21
  22 /*
  23  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #ifndef _ASM_FLUSH_H
  28 #define _ASM_FLUSH_H
  29
  30 #include <sys/ccompile.h>
  31 #include <sys/types.h>
  32
  33 #ifdef  __cplusplus
  34 extern "C" {
  35 #endif
  36
  37
  38 extern __GNU_INLINE void
  39 doflush(void *addr)
  40 {
  41 #if defined(__sparcv9)
  42         __asm__ __volatile__(
  43             "andn       %0, 3, %0\n\t"
  44             "flush      %0\n\t"
  45             : "=r" (addr)
  46             : "0" (addr));
  47 #else
  48 #error  "port me"
  49 #endif
  50 }
  51
  52
  53 #ifdef  __cplusplus
  54 }
  55 #endif
  56
  57 #endif  /* _ASM_FLUSH_H */