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cpufunc_asm_arm1136.S revision 1.4 
      1  1.4  matt /* $NetBSD: cpufunc_asm_arm1136.S,v 1.4 2013/08/18 06:28:18 matt Exp $ */
      2  1.2  matt 
      3  1.2  matt /*
      4  1.2  matt  * Copyright (c) 2007 Microsoft
      5  1.2  matt  * All rights reserved.
      6  1.2  matt  *
      7  1.2  matt  * Redistribution and use in source and binary forms, with or without
      8  1.2  matt  * modification, are permitted provided that the following conditions
      9  1.2  matt  * are met:
     10  1.2  matt  * 1. Redistributions of source code must retain the above copyright
     11  1.2  matt  *    notice, this list of conditions and the following disclaimer.
     12  1.2  matt  * 2. Redistributions in binary form must reproduce the above copyright
     13  1.2  matt  *    notice, this list of conditions and the following disclaimer in the
     14  1.2  matt  *    documentation and/or other materials provided with the distribution.
     15  1.2  matt  * 3. All advertising materials mentioning features or use of this software
     16  1.2  matt  *    must display the following acknowledgement:
     17  1.2  matt  *	This product includes software developed by Microsoft
     18  1.2  matt  *
     19  1.2  matt  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
     20  1.2  matt  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     21  1.2  matt  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     22  1.2  matt  * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTERS BE LIABLE FOR ANY DIRECT,
     23  1.2  matt  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     24  1.2  matt  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     25  1.2  matt  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     26  1.2  matt  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     27  1.2  matt  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     28  1.2  matt  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     29  1.2  matt  * SUCH DAMAGE.
     30  1.2  matt  */
     31  1.2  matt 
     32  1.2  matt #include "assym.h"
     33  1.2  matt #include <machine/asm.h>
     34  1.4  matt #include <arm/locore.h>
     35  1.2  matt 
     36  1.4  matt RCSID("$NetBSD: cpufunc_asm_arm1136.S,v 1.4 2013/08/18 06:28:18 matt Exp $")
     37  1.2  matt 
     38  1.2  matt ENTRY_NP(arm1136_sleep_rev0)		/* errata 336501 */
     39  1.2  matt 	mov	r0, #0
     40  1.2  matt 	mcr	p15, 0, r0, c7, c10, 2	/* clean data cache line (via index) */
     41  1.2  matt 	mcr	p15, 0, r0, c7, c10, 5	/* data memory barrier */
     42  1.2  matt 	mcr	p15, 0, r0, c7, c0, 4	/* wait for interrupt */
     43  1.2  matt 	RET
     44  1.4  matt END(arm1136_sleep_rev0)
     45