diff --git a/cpu/microblaze/Makefile b/cpu/microblaze/Makefile
index b7be5e1..9d54201 100644
--- a/cpu/microblaze/Makefile
+++ b/cpu/microblaze/Makefile
@@ -26,8 +26,7 @@
 LIB	= $(obj)lib$(CPU).a
 
 START	= start.o
-#SOBJS	= dcache.o icache.o irq.o disable_int.o enable_int.o
-SOBJS	= dcache.o icache.o irq.o
+SOBJS	= irq.o
 COBJS	= cpu.o interrupts.o cache.o exception.o timer.o
 
 SRCS	:= $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
diff --git a/cpu/microblaze/cache.c b/cpu/microblaze/cache.c
index fc388eb..683044c 100644
--- a/cpu/microblaze/cache.c
+++ b/cpu/microblaze/cache.c
@@ -45,4 +45,20 @@
 	__asm__ __volatile__ ("and %0,%0,%1"::"r" (i), "r" (mask):"memory");
 	return i;
 }
+
+void	icache_enable (void) {
+	__asm__ __volatile__ ("msrset r0, 0x80");
+}
+
+void	icache_disable(void) {
+	__asm__ __volatile__ ("msrclr r0, 0x80");
+}
+
+void	dcache_enable (void) {
+	__asm__ __volatile__ ("msrset r0, 0x20");
+}
+
+void	dcache_disable(void) {
+	__asm__ __volatile__ ("msrclr r0, 0x20");
+}
 #endif
diff --git a/cpu/microblaze/dcache.S b/cpu/microblaze/dcache.S
deleted file mode 100644
index eaf9671..0000000
--- a/cpu/microblaze/dcache.S
+++ /dev/null
@@ -1,68 +0,0 @@
-/*
- * (C) Copyright 2007 Michal Simek
- *
- * Michal  SIMEK <monstr@monstr.eu>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-	.text
-	.globl	dcache_enable
-	.ent	dcache_enable
-	.align	2
-dcache_enable:
-	/* Make space on stack for a temporary */
-	addi	r1, r1, -4
-	/* Save register r12 */
-	swi	r12, r1, 0
-	/* Read the MSR register */
-	mfs	r12, rmsr
-	/* Set the instruction enable bit */
-	ori	r12, r12, 0x80
-	/* Save the MSR register */
-	mts	rmsr, r12
-	/* Load register r12 */
-	lwi	r12, r1, 0
-	/* Return */
-	rtsd	r15, 8
-	/* Update stack in the delay slot */
-	addi	r1, r1, 4
-	.end	dcache_enable
-
-	.text
-	.globl	dcache_disable
-	.ent	dcache_disable
-	.align	2
-dcache_disable:
-	/* Make space on stack for a temporary */
-	addi	r1, r1, -4
-	/* Save register r12 */
-	swi	r12, r1, 0
-	/* Read the MSR register */
-	mfs	r12, rmsr
-	/* Clear the data cache enable bit */
-	andi	r12, r12, ~0x80
-	/* Save the MSR register */
-	mts	rmsr, r12
-	/* Load register r12 */
-	lwi	r12, r1, 0
-	/* Return */
-	rtsd	r15, 8
-	/* Update stack in the delay slot */
-	addi	r1, r1, 4
-	.end	dcache_disable
diff --git a/cpu/microblaze/disable_int.S b/cpu/microblaze/disable_int.S
deleted file mode 100644
index aecd795..0000000
--- a/cpu/microblaze/disable_int.S
+++ /dev/null
@@ -1,46 +0,0 @@
-/*
- * (C) Copyright 2007 Michal Simek
- *
- * Michal  SIMEK <monstr@monstr.eu>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-	.text
-	.globl	microblaze_disable_interrupts
-	.ent	microblaze_disable_interrupts
-	.align	2
-microblaze_disable_interrupts:
-	#Make space on stack for a temporary
-	addi	r1, r1, -4
-	#Save register r12
-	swi	r12, r1, 0
-	#Read the MSR register
-	mfs	r12, rmsr
-	#Clear the interrupt enable bit
-	andi	r12, r12, ~2
-	#Save the MSR register
-	mts	rmsr, r12
-	#Load register r12
-	lwi	r12, r1, 0
-	#Return
-	rtsd	r15, 8
-	#Update stack in the delay slot
-	addi	r1, r1, 4
-	.end	microblaze_disable_interrupts
diff --git a/cpu/microblaze/enable_int.S b/cpu/microblaze/enable_int.S
deleted file mode 100644
index c096c6c..0000000
--- a/cpu/microblaze/enable_int.S
+++ /dev/null
@@ -1,38 +0,0 @@
-/*
- * (C) Copyright 2007 Michal Simek
- *
- * Michal  SIMEK <monstrmonstr.eu>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-	.text
-	.globl	microblaze_enable_interrupts
-	.ent	microblaze_enable_interrupts
-	.align	2
-microblaze_enable_interrupts:
-	addi	r1, r1, -4
-	swi	r12, r1, 0
-	mfs	r12, rmsr
-	ori	r12, r12, 2
-	mts	rmsr, r12
-	lwi	r12, r1, 0
-	rtsd	r15, 8
-	addi	r1, r1, 4
-	.end	microblaze_enable_interrupts
diff --git a/cpu/microblaze/icache.S b/cpu/microblaze/icache.S
deleted file mode 100644
index 25940d1..0000000
--- a/cpu/microblaze/icache.S
+++ /dev/null
@@ -1,69 +0,0 @@
-/*
- * (C) Copyright 2007 Michal Simek
- *
- * Michal  SIMEK <monstr@monstr.eu>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-	.text
-	.globl	icache_enable
-	.ent	icache_enable
-	.align	2
-icache_enable:
-	/* Make space on stack for a temporary */
-	addi	r1, r1, -4
-	/* Save register r12 */
-	swi	r12, r1, 0
-	/* Read the MSR register */
-	mfs	r12, rmsr
-	/* Set the instruction enable bit */
-	ori	r12, r12, 0x20
-	/* Save the MSR register */
-	mts	rmsr, r12
-	/* Load register r12 */
-	lwi	r12, r1, 0
-	/* Return */
-	rtsd	r15, 8
-	/* Update stack in the delay slot */
-	addi	r1, r1, 4
-	.end	icache_enable
-
-	.text
-	.globl	icache_disable
-	.ent	icache_disable
-	.align	2
-icache_disable:
-	/* Make space on stack for a temporary */
-	addi	r1, r1, -4
-	/* Save register r12 */
-	swi	r12, r1, 0
-	/* Read the MSR register */
-	mfs	r12, rmsr
-	/* Clear the instruction enable bit */
-	andi	r12, r12, ~0x20
-	/* Save the MSR register */
-	mts	rmsr, r12
-	/* Load register r12 */
-	lwi	r12, r1, 0
-	/* Return */
-	rtsd	r15, 8
-	/* Update stack in the delay slot */
-	addi	r1, r1, 4
-	.end	icache_disable