/******************************************************************************
* Copyright (c) 2008 Xilinx, Inc.  All rights reserved. 
* 
* Xilinx, Inc. 
* XILINX IS PROVIDING THIS DESIGN, CODE, OR INFORMATION "AS IS" AS A 
* COURTESY TO YOU.  BY PROVIDING THIS DESIGN, CODE, OR INFORMATION AS 
* ONE POSSIBLE   IMPLEMENTATION OF THIS FEATURE, APPLICATION OR 
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* FOR OBTAINING ANY RIGHTS YOU MAY REQUIRE FOR YOUR IMPLEMENTATION. 
* XILINX EXPRESSLY DISCLAIMS ANY WARRANTY WHATSOEVER WITH RESPECT TO 
* THE ADEQUACY OF THE IMPLEMENTATION, INCLUDING BUT NOT LIMITED TO 
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* 
* File   : microblaze_disable_dcache.s
* Date   : 2002, March 20.
* Company: Xilinx
* Group  : Emerging Software Technologies
*
* Summary:
* Disable dcache on the microblaze.
*
* $Id: microblaze_disable_dcache.S,v 1.1.2.1 2009/09/24 23:37:36 haibing Exp $
*
*******************************************************************************/

#include "xparameters.h"
	
	.text
	.globl	microblaze_disable_dcache
	.ent	microblaze_disable_dcache
	.align	2
microblaze_disable_dcache:

        addik   r1, r1, -28

#if XPAR_MICROBLAZE_DCACHE_USE_WRITEBACK != 0
        swi     r15, r1, 0
        brlid   r15, microblaze_flush_dcache
        nop
#endif
    	mfs	r11, rmsr
	andi	r11, r11, ~128
	mts	rmsr, r11

#if XPAR_MICROBLAZE_DCACHE_USE_WRITEBACK != 0   
        lwi     r15, r1, 0
#endif

	rtsd	r15, 8
	addi	r1, r1, 28

        .end	microblaze_disable_dcache