From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 30224 invoked by alias); 29 Jun 2006 11:55:14 -0000 Received: (qmail 30216 invoked by uid 22791); 29 Jun 2006 11:55:13 -0000 X-Spam-Check-By: sourceware.org Received: from sta-204-188-98-27.rockynet.com (HELO hermes.chez-thomas.org) (204.188.98.27) by sourceware.org (qpsmtpd/0.31) with ESMTP; Thu, 29 Jun 2006 11:55:10 +0000 Received: by hermes.chez-thomas.org (Postfix, from userid 999) id EE3C219500A1; Thu, 29 Jun 2006 05:55:08 -0600 (MDT) Received: from [192.168.1.101] (hermes_local [192.168.1.101]) by hermes.chez-thomas.org (Postfix) with ESMTP id E0045195009A; Thu, 29 Jun 2006 05:55:03 -0600 (MDT) Message-ID: <44A3BF96.9040000@mlbassoc.com> Date: Thu, 29 Jun 2006 11:55:00 -0000 From: Gary Thomas User-Agent: Thunderbird 1.5.0.4 (X11/20060614) MIME-Version: 1.0 To: yh@bizmail.com.au CC: eCos Discussion References: <44A3BDA2.1040001@bizmail.com.au> In-Reply-To: <44A3BDA2.1040001@bizmail.com.au> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Mailing-List: contact ecos-discuss-help@ecos.sourceware.org; run by ezmlm Precedence: bulk List-Subscribe: List-Archive: List-Post: List-Help: , Sender: ecos-discuss-owner@ecos.sourceware.org Subject: Re: [ECOS] Re: load address X-SW-Source: 2006-06/txt/msg00276.txt.bz2 YH wrote: > Hello, > > I am going to run ARM with kernel 2.6, 32M DRAM and 16M Flash (Intel > J3). Could you please help me the following questions: > > Redboot> load -v -r -b 0xA00000 ramdisk.gz > Redboot> load -v -r -b 0x80000 zImage > Redboot> exec -r 0xA00000 -c "console=ttyAM root=/dev/ram" > > 1. I guess the address is the DRAM entry address. If the ramdisk.gz = 4M > and the decompressed ramdisk = 12M, and zImage = 800K, I guess that the > ramdisk will be allocated in DRAM between 0xA00000 - 0x1600000 and the > zImage will be allocated in DRAM between 0x80000 - 0x148000. I guess > those address sections of ramdisk and zImage are occupied during > operation time, is it correct? > > 2. Can the DRAM loading addresses be selected anywhere, or it can only > be selected in particular segments? > > 3. Do we need to allocate the memory (stack and heaps), or the kernel > will use the rest of the available DRAM? > You should ask these questions of the ARM Linux folks. -- ------------------------------------------------------------ Gary Thomas | Consulting for the MLB Associates | Embedded world ------------------------------------------------------------ -- Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss