From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Sun, 04 Apr 2021 13:35:50 +0200 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by lore.white.stw.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1lT12k-0002mu-81 for lore@lore.pengutronix.de; Sun, 04 Apr 2021 13:35:50 +0200 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lT12g-0002Zh-CU for lore@pengutronix.de; Sun, 04 Apr 2021 13:35:50 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date:Message-ID:From: References:Cc:To:Subject:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=+rCI5zz9HJcG/hMjOcTxS1qJaF1TD91pk/unRmwAyWs=; b=Mjqo0hl4QIN6CiNLrQ1DVu9o9 9zaVIj285bn9kw/koiDLlbpCGCQ5EBCWr6S3Yf8nvIndwzTI4JI+E6VGrNxjLqlrnGAZeAvnDq17J X8cHYTRqqaPdtKH1aFUvMWgY2DY7HiaD9ufQrVXGb/liIFkyPV9j7+LOfqf4VgOQGKs+XyTViDm5/ j0m7TQkeOBcK7kjCUFvgLregOkzAZvDB9uIRrbdIwkOSxx4YpydqYJjqqPmBM157xlk88ujBMn5TF K7Gp6mCUuNCSanaI0dbo6dLW4Mk3yJniTHUe8L2WiVoYJywlNrib7NaCHH42Nxqwz9K1K11XF7cUF kaBNx3i3Q==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lT0z6-00Fg6C-Px; Sun, 04 Apr 2021 11:32:05 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lT0tP-00FfiL-Ug for barebox@lists.infradead.org; Sun, 04 Apr 2021 11:26:20 +0000 Received: from gallifrey.ext.pengutronix.de ([2001:67c:670:201:5054:ff:fe8d:eefb] helo=[127.0.0.1]) by metis.ext.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1lT0tP-0001sM-Ge; Sun, 04 Apr 2021 13:26:11 +0200 To: Antony Pavlov , Rouven Czerwinski Cc: barebox@lists.infradead.org References: <20210324082304.30858-1-a.fatoum@pengutronix.de> <20210402085613.9a8dd5ecb960a47faa3eaa90@gmail.com> <20210402111348.fcc6384084512f23588aad8f@gmail.com> <2cd63d9c-903d-3670-6417-65d1fa324410@pengutronix.de> <20210403120056.c797366f354339aca24a2b0f@gmail.com> From: Ahmad Fatoum Message-ID: Date: Sun, 4 Apr 2021 13:26:10 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.0 MIME-Version: 1.0 In-Reply-To: <20210403120056.c797366f354339aca24a2b0f@gmail.com> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210404_122618_114309_330D63F0 X-CRM114-Status: GOOD ( 10.22 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" X-SA-Exim-Connect-IP: 2001:8b0:10b:1:d65d:64ff:fe57:4e05 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.ext.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-3.3 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: Re: [PATCH master 1/3] RISC-V: cpu: request stack memory region X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.ext.pengutronix.de) Hi, On 03.04.21 11:00, Antony Pavlov wrote: > To my great surprise riscv-qemu (at least v2.12) generates no "bus error" > exception on access to unattended address. I'd have expected a bus error as well if the memory area is unpopulated. With MMU support, we should catch this. @Rouven, any news on exception support? :^) Cheers, Ahmad -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox