From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Mon, 24 Aug 2026 14:29:16 +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 1wyTng-006hPI-0P for lore@lore.pengutronix.de; Mon, 24 Aug 2026 14:29:16 +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 AE4012010D6 for ; Mon, 24 Aug 2026 14:29:16 +0200 (CEST) Authentication-Results: mx1.white.stw.pengutronix.de; dkim=pass header.d=lists.infradead.org header.s=bombadil.20210309 header.b=uMjTj7z9; dmarc=none; 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" 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=g/LdNLZwf7IK2O0BDRRNU1W9T8zOFUgd8B73pkCEGBo=; b=uMjTj7z9l6+BLstgKenqLU9oGa UzIdPA4p10w/M3idEb7113n6s/oRc8ULm2bFv5FfNM98YbsTR9H3uChSvl6hOXn9ue1ZGLtk1XdU2 NPUzgw7QwgKJdRXJmSH/H/VPcHIsiia2hjV+MvkNZHIK1sMfXCL4WDGauAJuNfm3Lg1ShWFO+wwqF eV3kw+TbvZDLrlY97mBy2xKJhYwf5H+YH9a64xelW3Y41OMpJL3wL1NA/PxuE9TQbAfxpg87kv04I XkOsme9irBroW8j+PY96icGL6cpq5xYJ35L//lI+YB70+kFzCUz/hBS2fuKe7wv7sg/r69Zi086VS wiNB7bjQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wyTmY-0000000Gbbi-30n9; Mon, 24 Aug 2026 12:28:06 +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 1wyTmU-0000000Gbaw-1IgO for barebox@lists.infradead.org; Mon, 24 Aug 2026 12:28:04 +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 4EF54200444; Mon, 24 Aug 2026 14:28:00 +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 1wyTmS-0036SK-0l; Mon, 24 Aug 2026 14:28:00 +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 1wyTmS-0000000C7sR-0flj; Mon, 24 Aug 2026 14:28:00 +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: <178757448015.2890192.18436459124228442691.b4-ty@pengutronix.de> Date: Mon, 24 Aug 2026 14:28:00 +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-20260824_052802_507510_4B78A020 X-CRM114-Status: UNSURE ( 7.05 ) 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_PASS SPF: sender matches SPF record -0.0 SPF_HELO_PASS SPF: HELO 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-Action: no action X-Rspamd-Server: mx1 X-Stat-Signature: jqib49zd8ufd1mfab48mu69513xr3chf X-Spamd-Result: default: False [-7.71 / 15.00]; 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)[2a0a:edc0:0:1101:1d::28:received,2607:7c80:54:3::133:from]; R_SPF_ALLOW(-0.20)[+mx:c]; R_DKIM_ALLOW(-0.20)[lists.infradead.org:s=bombadil.20210309]; MAILLIST(-0.20)[mailman]; 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]; MID_RHS_MATCH_FROM(0.00)[]; DMARC_NA(0.00)[pengutronix.de]; FROM_HAS_DN(0.00)[]; ARC_NA(0.00)[]; RECEIVED_HELO_LOCALHOST(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)[]; NEURAL_HAM(-0.00)[-1.000]; 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-Queue-Id: AE4012010D6 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=38e03bdde67f (link may not be stable) [2/4] efi: loader: map code-type page allocations executable https://git.pengutronix.de/cgit/barebox/commit/?id=834b1ba72ede (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=35c6febf6725 (link may not be stable) [4/4] test: py: efiloader: test EFI ResetSystem from booted Linux https://git.pengutronix.de/cgit/barebox/commit/?id=10305208ccf8 (link may not be stable) Best regards, -- Sascha Hauer