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# 
# File   : microblaze_disable_icache.s
# Date   : 2002, March 20.
# Company: Xilinx
# Group  : Emerging Software Technologies
#
# Summary:
# Disable L1 icache on the microblaze.
#
#
####################################################################

#include "xparameters.h"

	.text
	.globl	microblaze_disable_icache
	.ent	microblaze_disable_icache
	.align	2
microblaze_disable_icache:	
#if XPAR_MICROBLAZE_USE_MSR_INSTR == 1
	rtsd	r15, 8
	msrclr  r0, 0x20
#else /*XPAR_MICROBLAZE_USE_MSR_INSTR == 1*/
	#Read the MSR register
	mfs	r8, rmsr
	#Clear the icache enable bit
	andi	r8, r8, ~(0x20)
	#Save the MSR register
	mts	rmsr, r8
	#Return
	rtsd	r15, 8
	nop
#endif
	.end	microblaze_disable_icache