{"id":2228960,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2228960/?format=json","web_url":"http://patchwork.ozlabs.org/project/uboot/patch/20260427150409.400914-1-ludwig.nussel@siemens.com/","project":{"id":18,"url":"http://patchwork.ozlabs.org/api/1.1/projects/18/?format=json","name":"U-Boot","link_name":"uboot","list_id":"u-boot.lists.denx.de","list_email":"u-boot@lists.denx.de","web_url":null,"scm_url":null,"webscm_url":null},"msgid":"<20260427150409.400914-1-ludwig.nussel@siemens.com>","date":"2026-04-27T15:03:38","name":"[1/4] qemu: overlay signature nodes","commit_ref":null,"pull_url":null,"state":"changes-requested","archived":false,"hash":"421119d3d8f06eb2351b3e23c0b8676d24f74934","submitter":{"id":90265,"url":"http://patchwork.ozlabs.org/api/1.1/people/90265/?format=json","name":"Ludwig Nussel","email":"ludwig.nussel@siemens.com"},"delegate":{"id":3651,"url":"http://patchwork.ozlabs.org/api/1.1/users/3651/?format=json","username":"trini","first_name":"Tom","last_name":"Rini","email":"trini@ti.com"},"mbox":"http://patchwork.ozlabs.org/project/uboot/patch/20260427150409.400914-1-ludwig.nussel@siemens.com/mbox/","series":[{"id":501669,"url":"http://patchwork.ozlabs.org/api/1.1/series/501669/?format=json","web_url":"http://patchwork.ozlabs.org/project/uboot/list/?series=501669","date":"2026-04-27T15:03:38","name":"[1/4] qemu: overlay signature nodes","version":1,"mbox":"http://patchwork.ozlabs.org/series/501669/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2228960/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2228960/checks/","tags":{},"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de\n (client-ip=2a01:238:438b:c500:173d:9f52:ddab:ee01; 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Mon, 27 Apr 2026 17:04:54 +0200 (CEST)","from mta-64-225.siemens.flowmailer.net\n (mta-64-225.siemens.flowmailer.net [185.136.64.225])\n (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))\n (No client certificate requested)\n by phobos.denx.de (Postfix) with ESMTPS id A48EE83693\n for ; Mon, 27 Apr 2026 17:04:52 +0200 (CEST)","by mta-64-225.siemens.flowmailer.net with ESMTPSA id\n 202604271504518e9f35cfe8000207c3 for ;\n Mon, 27 Apr 2026 17:04:52 +0200"],"X-Spam-Checker-Version":"SpamAssassin 3.4.2 (2018-09-13) on phobos.denx.de","X-Spam-Level":"","X-Spam-Status":"No, score=-2.3 required=5.0 tests=BAYES_00,DKIMWL_WL_MED,\n DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,\n RCVD_IN_DNSWL_BLOCKED,RCVD_IN_MSPIKE_H4,RCVD_IN_MSPIKE_WL,\n SPF_HELO_PASS,SPF_NONE autolearn=ham autolearn_force=no version=3.4.2","DKIM-Signature":"v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; s=fm2;\n d=siemens.com; i=ludwig.nussel@siemens.com;\n h=Date:From:Subject:To:Message-ID:MIME-Version:Content-Type:Content-Transfer-Encoding:Cc;\n bh=3uJ9tKjGteE1L3PXQEENsWHygkCp7cxfujTGzIlEb/k=;\n b=PspsK55DiHeWLO2vKl6l+tS7ETmyA00sAwYOk0u709HPDAbmq46R2t4ZlxR00tYtLrj0qG\n qpcIXxgUMaIMmMTtnzhhLGvGMGsyvrm9I1qu+AOCn45qaaFFFyyUCcu10NDCT0yy96P+TzAr\n rHJB3wecJdZROg1SWz7DYDUD1NUPeGPxzR+kGEk0A0E1oNGz+WwqV3h1RpYs/QxR7KgdSdsS\n jwCfNbL5xA5CEs5hlp/lGJN8YKrpD2IDH7hL8/6zyUNdJe3xCp10jzQ+4e9VPoJZz5eR2qcn\n RbHQ3H1PH40Dvlcu8IwzYkz/2hhe5GA9msUziewZEfYAmqv8wuEYd/tA==;","From":"Ludwig Nussel ","To":"u-boot@lists.denx.de","Cc":"Ludwig Nussel , Peng Fan ,\n Sam Protsenko , Tom Rini ,\n Tuomas Tynkkynen ","Subject":"[PATCH 1/4] qemu: overlay signature nodes","Date":"Mon, 27 Apr 2026 17:03:38 +0200","Message-ID":"<20260427150409.400914-1-ludwig.nussel@siemens.com>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","X-Flowmailer-Platform":"Siemens","Feedback-ID":"519:519-1328817:519-21489:flowmailer","X-BeenThere":"u-boot@lists.denx.de","X-Mailman-Version":"2.1.39","Precedence":"list","List-Id":"U-Boot discussion ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"u-boot-bounces@lists.denx.de","Sender":"\"U-Boot\" ","X-Virus-Scanned":"clamav-milter 0.103.8 at phobos.denx.de","X-Virus-Status":"Clean"},"content":"The keys trusted for FIT signature verification are supposed to be\nembedded in the device tree built into u-boot. When running in Qemu it's\nconvenient to use the device tree provided by the VM which doesn't know\nabout signatures though. So merge the signature nodes at run time.\n\nNeeds\n CONFIG_OF_OMIT_DTB=n\n CONFIG_OF_LIBFDT_OVERLAY=y\n\nSigned-off-by: Ludwig Nussel \n---\n\n board/emulation/qemu-arm/qemu-arm.c | 33 ++++++++++++++++++++++++++++-\n 1 file changed, 32 insertions(+), 1 deletion(-)","diff":"diff --git a/board/emulation/qemu-arm/qemu-arm.c b/board/emulation/qemu-arm/qemu-arm.c\nindex 38f0ec5f2fb..460958b04a1 100644\n--- a/board/emulation/qemu-arm/qemu-arm.c\n+++ b/board/emulation/qemu-arm/qemu-arm.c\n@@ -147,7 +147,38 @@ int dram_init_banksize(void)\n int board_fdt_blob_setup(void **fdtp)\n {\n \t/* QEMU loads a generated DTB for us at the start of RAM. */\n-\t*fdtp = (void *)CFG_SYS_SDRAM_BASE;\n+\tvoid *qemu_fdt = (void *)CFG_SYS_SDRAM_BASE;\n+\tint ret;\n+\n+\tif (!*fdtp)\n+\t\tgoto out;\n+\n+\tif (!CONFIG_IS_ENABLED(OF_LIBFDT_OVERLAY)) {\n+\t\tlog_err(\"found built-in dt but CONFIG_OF_LIBFDT_OVERLAY isn't enabled\");\n+\t\tgoto out;\n+\t}\n+\n+\tif (fdt_check_header(*fdtp) != 0) {\n+\t\tlog_err(\"invalid built-in fdt, skipped.\\n\");\n+\t\tgoto out;\n+\t}\n+\n+\tlog_debug(\"found built-in dt %p merging into qemu's at %p...\\n\", *fdtp, qemu_fdt);\n+\n+\tret = fdt_increase_size(qemu_fdt, 1024 + fdt_totalsize(*fdtp));\n+\tif (ret) {\n+\t\tlog_err(\"Failed to resize overlay: %d\", ret);\n+\t\tgoto out;\n+\t}\n+\n+\tret = fdt_overlay_apply_node(qemu_fdt, 0, (void *)*fdtp, 0);\n+\tif (ret) {\n+\t\tlog_err(\"Failed to apply overlay: %d\\n\", ret);\n+\t\tgoto out;\n+\t}\n+\n+out:\n+\t*fdtp = qemu_fdt;\n \n \treturn 0;\n }\n","prefixes":["1/4"]}