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/*
 * (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