From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailout06.sul.t-online.com ([194.25.134.19]) by pentafluge.infradead.org with esmtp (Exim 3.22 #1 (Red Hat Linux)) id 18Nslo-0003ZX-00 for ; Mon, 16 Dec 2002 10:46:44 +0000 To: Michal Schulz Cc: David Woodhouse , Paul Nash , "Linux-MTD (E-mail)" From: Wolfgang Denk Subject: Re: Intel sez: Synchronous Flash and XIP is the future -- thoughts? Mime-version: 1.0 Content-type: text/plain; charset=ISO-8859-1 Content-transfer-encoding: 8bit In-reply-to: Your message of "Mon, 16 Dec 2002 12:04:50 +0100." Date: Mon, 16 Dec 2002 12:16:36 +0100 Message-Id: <20021216111641.8FBABC6139@atlas.denx.de> Sender: linux-mtd-admin@lists.infradead.org Errors-To: linux-mtd-admin@lists.infradead.org List-Help: List-Post: List-Subscribe: , List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: In message you wrote: > > With the XIP in kernel it is relatively simple with 2.2.x serie of > kernels. I have managed to put most of 2.2.18 kernel onto flash, where it We also tested this with 2.4.4 on PowerPC. > was executing from. The most problems are with .rodata section, which is > not read-only for kernel. It is so because some structures (one passed to With recent kernels, at least on PPC, there are also places where the .text segment is written into. Some people even find "binary patching" a cool idea. Best regards, Wolfgang Denk -- Software Engineering: Embedded and Realtime Systems, Embedded Linux Phone: (+49)-8142-4596-87 Fax: (+49)-8142-4596-88 Email: wd@denx.de FORTRAN? The syntactically incorrect statement "DO 10 I = 1.10" will parse and generate code creating a variable, DO10I, as follows: "DO10I = 1.10" If that doesn't terrify you, it should.