From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1L3m7I-00018Y-0a for qemu-devel@nongnu.org; Sat, 22 Nov 2008 01:37:16 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1L3m7F-00018M-FD for qemu-devel@nongnu.org; Sat, 22 Nov 2008 01:37:14 -0500 Received: from [199.232.76.173] (port=40095 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1L3m7F-00018J-7X for qemu-devel@nongnu.org; Sat, 22 Nov 2008 01:37:13 -0500 Received: from main.gmane.org ([80.91.229.2]:60045 helo=ciao.gmane.org) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1L3m7F-00065A-2t for qemu-devel@nongnu.org; Sat, 22 Nov 2008 01:37:13 -0500 Received: from list by ciao.gmane.org with local (Exim 4.43) id 1L3m7A-0000V6-WE for qemu-devel@nongnu.org; Sat, 22 Nov 2008 06:37:09 +0000 Received: from ppp91-122-86-101.pppoe.avangarddsl.ru ([91.122.86.101]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sat, 22 Nov 2008 06:37:08 +0000 Received: from dbaryshkov by ppp91-122-86-101.pppoe.avangarddsl.ru with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sat, 22 Nov 2008 06:37:08 +0000 From: Dmitry Baryshkov Date: Sat, 22 Nov 2008 06:36:51 +0000 (UTC) Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: news Subject: [Qemu-devel] Question regarding NAND emulation. Reply-To: qemu-devel@nongnu.org List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Hi, I have a question regarding NAND emulation. While simple NAND emulation is easy, ECC stuff left me in uncertain state. In hw/spitz.c I saw some balck magic regarding ecc.lp with shifts, ors etc. So, the question is: if I'd like to implement HW ECC emulation for my NAND device, how should I return ECC line and col parity bytes? Thank you -- With best wishes Dmitry