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-rw-r--r--cpu/microblaze/icache.S69
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diff --git a/cpu/microblaze/icache.S b/cpu/microblaze/icache.S
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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 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