From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Wed, 19 Feb 2025 11:46:07 +0100 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1tkhai-004HLd-03 for lore@lore.pengutronix.de; Wed, 19 Feb 2025 11:46:07 +0100 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1tkhag-0002wP-T5 for lore@pengutronix.de; Wed, 19 Feb 2025 11:46:07 +0100 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=7YrBm5zECl4uQOFTs+LqVlFZf0QA5FlHmu8stpixbqU=; b=fB1h66w9i/P+CnxjGdIU+7saAK 1us+pJuO4E5sUAO7vRtVKUIOhpRZ842htEQgTQDYxAo1WQFEEHaBHnuuEoeRlYlzB8vMCWLTN2hjW rMVPQ6kKjHIuVj7BqfdIRCQCAfKOFIwpUFnwnGjNC/qVwoEqLWrmwzgvrXVO+mssX7xlIWCJ6IUYu C9XkfV5lrmzPcXevQ0S2NUhfkfklifZQhzztU1w+qFqxJKLtUJQGGtoZuBaqbKiNY9qOkJJBLxfLd NIuGhunJicvjtAhMzMZ4WxuPuWKYFxsEcmvNCrNJ9MpSNdd4dnvfYyqQ1MokjlcEU6AY8p0jVyzJP h/rx85OQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tkha3-0000000CDb0-2XO3; Wed, 19 Feb 2025 10:45:27 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tkhYC-0000000CCMp-245t for barebox@lists.infradead.org; Wed, 19 Feb 2025 10:43:33 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1tkhY9-0002UH-SX; Wed, 19 Feb 2025 11:43:29 +0100 Received: from pty.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::c5]) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1tkhY9-001kZZ-2G; Wed, 19 Feb 2025 11:43:29 +0100 Received: from mfe by pty.whiteo.stw.pengutronix.de with local (Exim 4.96) (envelope-from ) id 1tkhY9-006EN6-1v; Wed, 19 Feb 2025 11:43:29 +0100 Date: Wed, 19 Feb 2025 11:43:29 +0100 From: Marco Felsch To: Sascha Hauer Cc: Barebox List Message-ID: <20250219104329.toyskdpkbtwftatc@pengutronix.de> References: <20250218140407.1224499-1-s.hauer@pengutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250218140407.1224499-1-s.hauer@pengutronix.de> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250219_024332_527410_3876532E X-CRM114-Status: GOOD ( 11.07 ) 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: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 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.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-5.3 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: Re: [PATCH 1/2] ARM: i.MX6: Enable PBL_VERIFY_PIGGY with HABV4 support X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) Hi Sascha, On 25-02-18, Sascha Hauer wrote: > Some i.MX6 configurations use the xload mechanism. With this the ROM > only loads and verifies the PBL. The PBL will then load barebox proper. > Without verification the barebox proper binary is untrusted and could be > modified. Select PBL_VERIFY_PIGGY when HABV4 is enabled to ensure the > barebox proper binary has not been tempered with. > > boards not using the xload mechanism don't need this option, but there > is no good way to detect currently if the xload mechanism is used, so > these boards will have to live with a slightly increased binary size > for now. I hav no objections but do you have numbers? There are many i.MX6 based systems which do use a spi-nor with limited amount of space already facing size issues since barebox is becoming bigger and bigger. Regards, Marco