From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Tue, 25 Aug 2026 15:50:24 +0200 Received: from mx1.white.stw.pengutronix.de ([2a0a:edc0:0:b01:1d::107]) 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 1wyrXi-0075Vf-2q for lore@lore.pengutronix.de; Tue, 25 Aug 2026 15:50:24 +0200 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) by mx1.white.stw.pengutronix.de (Postfix) with ESMTPS id 6B4C02024A2 for ; Tue, 25 Aug 2026 15:50:19 +0200 (CEST) Authentication-Results: mx1.white.stw.pengutronix.de; dkim=pass header.d=lists.infradead.org header.s=bombadil.20210309 header.b=bqCnvL42; spf=pass (mx1.white.stw.pengutronix.de: domain of "barebox-bounces+lore=pengutronix.de@lists.infradead.org" designates 2607:7c80:54:3::133 as permitted sender) smtp.mailfrom="barebox-bounces+lore=pengutronix.de@lists.infradead.org"; dmarc=none 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:Content-Transfer-Encoding: Content-Type:MIME-Version:Date:Message-Id:Subject:References:In-Reply-To:Cc: To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=xb7lXYdsh8C8suf6Y9G0HdE+jTxGBKWr0zduKbBlGno=; b=bqCnvL42hmmdJZFUbOFMbcpZWu uMdARMIu8xLYYb6JTPWgxXMAmA16VgXl5zDT2DrqNdGcX4YEtdB9KSd2H2QLSTET57ZVzVFJRW2Yj O5jC5KTMy+NGkcM7L2fpDL/GtY88Bs6nzQqPdjKPaucAqD8gi/NsH/6Xa7oc/hJlQwvAE4m0oEqrk C49ivDg2eP5NgNlTLXihn9qChgp9z27l+I+toan6sngZUaED/n1LHAQEyhvCdL97nTEa19zuwqq1Z Ru36Ap35XetnfLffpdD26wDgYwLavrWUjV+2983v8Tx8mA+xQeZHJGboO5tNkuUidTVbMzSvQmxCQ YfdgMlqw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wyrWr-00000000txw-1Ve0; Tue, 25 Aug 2026 13:49:29 +0000 Received: from mx1.white.stw.pengutronix.de ([2a0a:edc0:0:b01:1d::107]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wyrWl-00000000twc-1yJD for barebox@lists.infradead.org; Tue, 25 Aug 2026 13:49:26 +0000 Received: from drehscheibe.grey.stw.pengutronix.de (drehscheibe.grey.stw.pengutronix.de [IPv6:2a0a:edc0:0:c01:1d::a2]) (Authenticated sender: relay-from-drehscheibe.grey.stw.pengutronix.de) by mx1.white.stw.pengutronix.de (Postfix) with ESMTPSA id 9CAF1202495; Tue, 25 Aug 2026 15:49:17 +0200 (CEST) Received: from dude02.red.stw.pengutronix.de ([2a0a:edc0:0:1101:1d::28]) 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 1wyrWf-003HbX-1h; Tue, 25 Aug 2026 15:49:17 +0200 Received: from [::1] (helo=dude02.red.stw.pengutronix.de) by dude02.red.stw.pengutronix.de with esmtp (Exim 4.98.2) (envelope-from ) id 1wyrWf-00000002qCo-1wje; Tue, 25 Aug 2026 15:49:17 +0200 From: Sascha Hauer To: barebox@lists.infradead.org, Ahmad Fatoum Cc: Ahmad Fatoum In-Reply-To: <20260824073005.3267576-1-a.fatoum@pengutronix.de> References: <20260824073005.3267576-1-a.fatoum@pengutronix.de> Subject: Re: [PATCH 1/4] ARM: lds: place EFI runtime code and data in separate PT_LOAD segments Message-Id: <178766575746.677163.7029129123918534475.b4-ty@pengutronix.de> Date: Tue, 25 Aug 2026 15:49:17 +0200 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Mailer: b4 0.14.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260825_064923_659209_7B06A329 X-CRM114-Status: UNSURE ( 7.48 ) X-CRM114-Notice: Please train this message. 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Content preview: On Mon, 24 Aug 2026 09:29:51 +0200, Ahmad Fatoum wrote: > EFI runtime services support was added before barebox proper was made an > ELF and back then it proved too cumbersome to have two non-adjacen [...] Content analysis details: (-1.9 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] 0.0 DMARC_MISSING Missing DMARC policy 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-Rspamd-Server: mx1 X-Rspamd-Queue-Id: 6B4C02024A2 X-Spamd-Result: default: False [-57.71 / 15.00]; RECEIVED_AUTHENTICATED_BY_MX1(-50.00)[]; BAYES_HAM(-3.00)[99.99%]; DWL_DNSWL_MED(-2.00)[infradead.org:dkim]; KNOWN_LIST_ID(-1.00)[barebox.lists.infradead.org]; RCVD_DKIM_ARC_DNSWL_MED(-0.50)[]; RCVD_IN_DNSWL_MED(-0.40)[2607:7c80:54:3::133:from,2a0a:edc0:0:1101:1d::28:received]; MAILLIST(-0.20)[mailman]; R_SPF_ALLOW(-0.20)[+mx:c]; R_DKIM_ALLOW(-0.20)[lists.infradead.org:s=bombadil.20210309]; RCVD_IN_DNSWL_LOW(-0.10)[2a0a:edc0:0:c01:1d::a2:received]; MIME_GOOD(-0.10)[text/plain]; HAS_LIST_UNSUB(-0.01)[]; FROM_NEQ_ENVFROM(0.00)[s.hauer@pengutronix.de,barebox-bounces@lists.infradead.org]; RECEIVED_HELO_LOCALHOST(0.00)[]; DMARC_NA(0.00)[pengutronix.de]; ARC_NA(0.00)[]; FROM_HAS_DN(0.00)[]; MIME_TRACE(0.00)[0:+]; RCVD_COUNT_FIVE(0.00)[5]; RCVD_TLS_LAST(0.00)[]; TAGGED_FROM(0.00)[lore=pengutronix.de]; ASN(0.00)[asn:7247, ipnet:2607:7c80:54::/48, country:US]; RCVD_VIA_SMTP_AUTH(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; TO_DN_SOME(0.00)[]; DKIM_TRACE(0.00)[lists.infradead.org:+]; RCPT_COUNT_THREE(0.00)[3]; FORGED_SENDER_MAILLIST(0.00)[] X-Rspamd-Action: no action X-Stat-Signature: obd9fqza1pifgq697mtdrk53m3dab3ce On Mon, 24 Aug 2026 09:29:51 +0200, Ahmad Fatoum wrote: > EFI runtime services support was added before barebox proper was made an > ELF and back then it proved too cumbersome to have two non-adjacent text > areas for each of the boot-time and run-time portions. > > Now that barebox proper is an ELF, let's move the EFI runtime data and > text each into its own segment with the appropriate segment flags, so > pbl_mmu_setup_from_elf() can apply the correct protections. > > [...] Applied, thanks! [1/4] ARM: lds: place EFI runtime code and data in separate PT_LOAD segments https://git.pengutronix.de/cgit/barebox/commit/?id=2aae71d068f6 (link may not be stable) [2/4] efi: loader: map code-type page allocations executable https://git.pengutronix.de/cgit/barebox/commit/?id=52abcfa25ece (link may not be stable) [3/4] ARM: allow CONFIG_ARM_MMU_PERMISSIONS together with EFI_RUNTIME https://git.pengutronix.de/cgit/barebox/commit/?id=9d492e9c03b4 (link may not be stable) [4/4] test: py: efiloader: test EFI ResetSystem from booted Linux https://git.pengutronix.de/cgit/barebox/commit/?id=4eb882cebdc1 (link may not be stable) Best regards, -- Sascha Hauer