From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-ww0-f49.google.com ([74.125.82.49]) by canuck.infradead.org with esmtps (Exim 4.72 #1 (Red Hat Linux)) id 1PvHWL-0003la-6n for barebox@lists.infradead.org; Thu, 03 Mar 2011 23:01:21 +0000 Received: by wwj40 with SMTP id 40so1441730wwj.18 for ; Thu, 03 Mar 2011 15:01:20 -0800 (PST) From: franck.jullien@gmail.com Date: Thu, 3 Mar 2011 23:58:25 +0100 Message-Id: <4d701d37.9009d80a.2cd3.5e7b@mx.google.com> In-Reply-To: References: List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: barebox-bounces@lists.infradead.org Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH 11/54] Add arch/nios2/lib/cache.S To: barebox@lists.infradead.org From: Franck JULLIEN Add arch/nios2/lib/cache.S --- arch/nios2/lib/cache.S | 74 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 74 insertions(+), 0 deletions(-) create mode 100644 arch/nios2/lib/cache.S diff --git a/arch/nios2/lib/cache.S b/arch/nios2/lib/cache.S new file mode 100644 index 0000000..e3014d0 --- /dev/null +++ b/arch/nios2/lib/cache.S @@ -0,0 +1,74 @@ +/* + * (C) Copyright 2004, Psyent Corporation + * Scott McNutt + * + * 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 + */ + +#include + + .text + + .global flush_dcache + +flush_dcache: + add r5, r5, r4 + movhi r8, %hi(DCACHE_LINE_SIZE) + ori r8, r8, %lo(DCACHE_LINE_SIZE) +0: flushd 0(r4) + add r4, r4, r8 + bltu r4, r5, 0b + ret + + + .global flush_icache + +flush_icache: + add r5, r5, r4 + movhi r8, %hi(ICACHE_LINE_SIZE) + ori r8, r8, %lo(ICACHE_LINE_SIZE) +1: flushi r4 + add r4, r4, r8 + bltu r4, r5, 1b + ret + + .global flush_cache + +flush_cache: + add r5, r5, r4 + mov r9, r4 + mov r10, r5 + + movhi r8, %hi(DCACHE_LINE_SIZE) + ori r8, r8, %lo(DCACHE_LINE_SIZE) +0: flushd 0(r4) + add r4, r4, r8 + bltu r4, r5, 0b + + mov r4, r9 + mov r5, r10 + movhi r8, %hi(ICACHE_LINE_SIZE) + ori r8, r8, %lo(ICACHE_LINE_SIZE) +1: flushi r4 + add r4, r4, r8 + bltu r4, r5, 1b + + sync + flushp + ret -- 1.7.3.4 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox