From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from m15-112.126.com (m15-112.126.com [220.181.15.112]) by ozlabs.org (Postfix) with SMTP id 6826667B93 for ; Fri, 29 Sep 2006 11:25:09 +1000 (EST) Message-ID: <00a901c6e366$1d3e4f70$a309a8c0@enorm> From: "enorm" To: Subject: About cache Date: Fri, 29 Sep 2006 09:25:13 +0800 MIME-Version: 1.0 Content-Type: text/plain; charset="gb2312" List-Id: Linux on Embedded PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Hi, I found in mpc85xx start.s, before doing any initialization it disabled i-cache & d-cache. Must we do so? If we don't disable them what will it cause? Best Regards Enorm