From patchwork Fri Feb 21 16:12:14 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandre TORGUE X-Patchwork-Id: 11396805 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3A6E117EF for ; Fri, 21 Feb 2020 16:13:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 193872073A for ; Fri, 21 Feb 2020 16:13:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=st.com header.i=@st.com header.b="eJbIrsJY" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728487AbgBUQMy (ORCPT ); Fri, 21 Feb 2020 11:12:54 -0500 Received: from mx07-00178001.pphosted.com ([62.209.51.94]:55331 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727039AbgBUQMu (ORCPT ); Fri, 21 Feb 2020 11:12:50 -0500 Received: from pps.filterd (m0046037.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 01LG83M6008257; Fri, 21 Feb 2020 17:12:23 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=st.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=STMicroelectronics; bh=84l2b91e/di7VUflYudfHEI8dwDeDuErqQcawADT30M=; b=eJbIrsJYUQ2ZOSZ/PQkd/4nlZgrFvcK9JbFCrGcLZhnboFdyJRziUg7iyQc/HMnD+7+4 tiHe0B7gRQx4wom954tO7ehuk3/I0lBeqZpnHCL8I76+LB3J1ldZx0ngZlGj3eQMaTNr XhCroGu8re8Q1j99sPeMQCjjYI/nc06ebb/snLCaYtRZ/oph6tKZjBoEMGQyaj0z92nd 4nQuKbBAR27di/pTockDqlr5UUsLyOO8GG9oET+q5pXKHknUl0K01US6ZNnpBifinSTr AVR/7zS0EafkNjYfKTNY1BsuUjW8sFgKy9evj+ECNZWZMZEYnmXqpd3GpKF3SiGvFTOJ ew== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 2y8ub1r63v-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 21 Feb 2020 17:12:23 +0100 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id A96F310002A; Fri, 21 Feb 2020 17:12:20 +0100 (CET) Received: from Webmail-eu.st.com (sfhdag3node2.st.com [10.75.127.8]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 9C53E2BE24B; Fri, 21 Feb 2020 17:12:20 +0100 (CET) Received: from localhost (10.75.127.48) by SFHDAG3NODE2.st.com (10.75.127.8) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Fri, 21 Feb 2020 17:12:19 +0100 From: Alexandre Torgue To: , Frank Rowand , Masahiro Yamada , Michal Marek , , CC: , Alexandre Torgue , , , , Ian Lepore Subject: [RFC PATCH v2 1/4] scripts: Add script to generate dtb build information Date: Fri, 21 Feb 2020 17:12:14 +0100 Message-ID: <20200221161217.20069-2-alexandre.torgue@st.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200221161217.20069-1-alexandre.torgue@st.com> References: <20200221161217.20069-1-alexandre.torgue@st.com> MIME-Version: 1.0 X-Originating-IP: [10.75.127.48] X-ClientProxiedBy: SFHDAG8NODE3.st.com (10.75.127.24) To SFHDAG3NODE2.st.com (10.75.127.8) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138,18.0.572 definitions=2020-02-21_05:2020-02-21,2020-02-21 signatures=0 Sender: linux-kbuild-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kbuild@vger.kernel.org This commit adds a new script to create a file (in dts file directory) with some information (date, Linux version, user). This file could then be used to populate "build-info" property in every dts file that would use this build information: Example: / { ... build-info = /incbin/("dtb-build.txt"); ... }; Signed-off-by: Alexandre Torgue diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib index bae62549e3d2..a5af84ef4ffc 100644 --- a/scripts/Makefile.lib +++ b/scripts/Makefile.lib @@ -246,6 +246,7 @@ quiet_cmd_gzip = GZIP $@ # DTC # --------------------------------------------------------------------------- DTC ?= $(objtree)/scripts/dtc/dtc +DTB_GEN_INFO ?= $(objtree)/scripts/gen_dtb_build_info.sh # Disable noisy checks by default ifeq ($(findstring 1,$(KBUILD_EXTRA_WARN)),) @@ -286,6 +287,7 @@ $(obj)/%.dtb.S: $(obj)/%.dtb FORCE quiet_cmd_dtc = DTC $@ cmd_dtc = mkdir -p $(dir ${dtc-tmp}) ; \ + $(DTB_GEN_INFO) $(src) ; \ $(HOSTCC) -E $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \ $(DTC) -O $(2) -o $@ -b 0 \ $(addprefix -i,$(dir $<) $(DTC_INCLUDE)) $(DTC_FLAGS) \ diff --git a/scripts/gen_dtb_build_info.sh b/scripts/gen_dtb_build_info.sh new file mode 100755 index 000000000000..0cd8bd98e410 --- /dev/null +++ b/scripts/gen_dtb_build_info.sh @@ -0,0 +1,10 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +set -o nounset + +DTB_DIR=$1 +DTB_COMPILE_BY=$(whoami | sed 's/\\/\\\\/') +DTB_INFO="From Linux $KERNELRELEASE by $DTB_COMPILE_BY the $(date).\0" + +printf "$DTB_INFO" > "$DTB_DIR/dtb-build.txt" From patchwork Fri Feb 21 16:12:15 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandre TORGUE X-Patchwork-Id: 11396807 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id BDB59138D for ; Fri, 21 Feb 2020 16:13:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9CB20222C4 for ; Fri, 21 Feb 2020 16:13:07 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=st.com header.i=@st.com header.b="A5HTjgqG" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727876AbgBUQMt (ORCPT ); Fri, 21 Feb 2020 11:12:49 -0500 Received: from mx07-00178001.pphosted.com ([62.209.51.94]:63236 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727720AbgBUQMt (ORCPT ); Fri, 21 Feb 2020 11:12:49 -0500 Received: from pps.filterd (m0046668.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 01LG8Jq2004904; Fri, 21 Feb 2020 17:12:22 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=st.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=STMicroelectronics; bh=2k+VXll0ozFYAI5ID9m7C2U0U8scssOA0fcMpcXtXIM=; b=A5HTjgqGRWomdcxY2wBanohSWzeCO10NSYQVoWnt6pjJGxw6Yvy8y8bpHZLGZtHMniGZ SL+MlsQd42epFRUmre2Ni4ftrnzQMgHcDP+imm8Y/DfyHxMSiHDPAZDRYjcRNeKOsr9R K/n6uhnf4MoFR8FN5LlTtLgGZZpQg3so7Hv1206LVa4y+owyCYfJ1MwGaf9f+dGz3g1/ DiblwtCglhy4TrUZzigNd729vl5F7dp0sY0O39ITjLUVFPWqhW7+uY3KY4ZFfFi5wBt5 cd8SFtbOR/tvgr4bpDuxcUbKRWmdbp1hI9w4c7PPn96nk4jfsqk9JAOSQT84Us0yW04r /A== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 2y8ub0g624-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 21 Feb 2020 17:12:22 +0100 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 61BEA100038; Fri, 21 Feb 2020 17:12:21 +0100 (CET) Received: from Webmail-eu.st.com (sfhdag3node2.st.com [10.75.127.8]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 486512BE24C; Fri, 21 Feb 2020 17:12:21 +0100 (CET) Received: from localhost (10.75.127.49) by SFHDAG3NODE2.st.com (10.75.127.8) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Fri, 21 Feb 2020 17:12:20 +0100 From: Alexandre Torgue To: , Frank Rowand , Masahiro Yamada , Michal Marek , , CC: , Alexandre Torgue , , , , Ian Lepore Subject: [RFC PATCH v2 2/4] of: fdt: print dtb build information Date: Fri, 21 Feb 2020 17:12:15 +0100 Message-ID: <20200221161217.20069-3-alexandre.torgue@st.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200221161217.20069-1-alexandre.torgue@st.com> References: <20200221161217.20069-1-alexandre.torgue@st.com> MIME-Version: 1.0 X-Originating-IP: [10.75.127.49] X-ClientProxiedBy: SFHDAG1NODE2.st.com (10.75.127.2) To SFHDAG3NODE2.st.com (10.75.127.8) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138,18.0.572 definitions=2020-02-21_05:2020-02-21,2020-02-21 signatures=0 Sender: linux-kbuild-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kbuild@vger.kernel.org This commit prints out DTB build information (build time, dts source version used, ...) if "Build-info" property exists in DTB root node. Signed-off-by: Alexandre Torgue diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c index 2cdf64d2456f..aa5989039746 100644 --- a/drivers/of/fdt.c +++ b/drivers/of/fdt.c @@ -1224,9 +1224,18 @@ bool __init early_init_dt_scan(void *params) */ void __init unflatten_device_tree(void) { + const char *build_info; + unsigned long dt_root; + __unflatten_device_tree(initial_boot_params, NULL, &of_root, early_init_dt_alloc_memory_arch, false); + /* If available, provide dtb build information */ + dt_root = of_get_flat_dt_root(); + build_info = of_get_flat_dt_prop(dt_root, "build-info", NULL); + if (build_info) + pr_info("%s\n", build_info); + /* Get pointer to "/chosen" and "/aliases" nodes for use everywhere */ of_alias_scan(early_init_dt_alloc_memory_arch); From patchwork Fri Feb 21 16:12:16 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandre TORGUE X-Patchwork-Id: 11396799 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 97FFC138D for ; Fri, 21 Feb 2020 16:12:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 759D7222C4 for ; Fri, 21 Feb 2020 16:12:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=st.com header.i=@st.com header.b="q9sbNVdg" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728351AbgBUQMu (ORCPT ); Fri, 21 Feb 2020 11:12:50 -0500 Received: from mx07-00178001.pphosted.com ([62.209.51.94]:63232 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727781AbgBUQMt (ORCPT ); Fri, 21 Feb 2020 11:12:49 -0500 Received: from pps.filterd (m0046668.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 01LG8460004783; Fri, 21 Feb 2020 17:12:23 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=st.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=STMicroelectronics; bh=jpGwlIt47yPIpufPaalWQk8BJYpMwbVfmtKu9t8gwX0=; b=q9sbNVdgXDNg5ECEqfnocHvmg1DBnIsAqxCZjDlCmMCtcGjNNeuerJMqdiRtbiyxkRuR veGOY5K+j8/mrAtRof0kWmRRApjkmWa7rJIWMgaEc93WX1+I03ztpscvS/Sb222NL2Sg cyA8Zi3+EUuuBkJFsppcC5v33qvGXP45mZwNHARtlqQi9tmG5gUbMCvN6DpmBm5rd0rZ oOxU8yYLzhWIJ0PN1OnmNtTEGT7Y3qpx67PM32TlZ8/RDOV3zELy4a+tZfuz7u2yxTab 8e2IkhU2eUYpClfSvyFa4sQVtsi06WXY3w4cjgGkDjwlbkUZJ4zmK0OgMeUemwVGQ9j2 yw== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 2y8ub0g626-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 21 Feb 2020 17:12:23 +0100 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id EFC41100039; Fri, 21 Feb 2020 17:12:21 +0100 (CET) Received: from Webmail-eu.st.com (sfhdag3node2.st.com [10.75.127.8]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id E0B572BE24D; Fri, 21 Feb 2020 17:12:21 +0100 (CET) Received: from localhost (10.75.127.51) by SFHDAG3NODE2.st.com (10.75.127.8) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Fri, 21 Feb 2020 17:12:21 +0100 From: Alexandre Torgue To: , Frank Rowand , Masahiro Yamada , Michal Marek , , CC: , Alexandre Torgue , , , , Ian Lepore Subject: [RFC PATCH v2 3/4] ARM: dts: stm32: Add dtb build information entry for stm32mp157c-dk2 Date: Fri, 21 Feb 2020 17:12:16 +0100 Message-ID: <20200221161217.20069-4-alexandre.torgue@st.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200221161217.20069-1-alexandre.torgue@st.com> References: <20200221161217.20069-1-alexandre.torgue@st.com> MIME-Version: 1.0 X-Originating-IP: [10.75.127.51] X-ClientProxiedBy: SFHDAG2NODE3.st.com (10.75.127.6) To SFHDAG3NODE2.st.com (10.75.127.8) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138,18.0.572 definitions=2020-02-21_05:2020-02-21,2020-02-21 signatures=0 Sender: linux-kbuild-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kbuild@vger.kernel.org dtb-build.txt is a file containing device tree build information (date, source version ...). This file is used to fill "build-info" entry which will be displayed during kernel boot. Signed-off-by: Alexandre Torgue diff --git a/arch/arm/boot/dts/stm32mp157c-dk2.dts b/arch/arm/boot/dts/stm32mp157c-dk2.dts index 7985b80967ca..387d3bcf5fa3 100644 --- a/arch/arm/boot/dts/stm32mp157c-dk2.dts +++ b/arch/arm/boot/dts/stm32mp157c-dk2.dts @@ -15,6 +15,7 @@ / { model = "STMicroelectronics STM32MP157C-DK2 Discovery Board"; compatible = "st,stm32mp157c-dk2", "st,stm32mp157"; + build-info = /incbin/("dtb-build.txt"); aliases { ethernet0 = ðernet0; From patchwork Fri Feb 21 16:12:17 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandre TORGUE X-Patchwork-Id: 11396801 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A5BF5138D for ; Fri, 21 Feb 2020 16:12:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8447A2073A for ; Fri, 21 Feb 2020 16:12:55 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=st.com header.i=@st.com header.b="ZgvvblOR" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728690AbgBUQMy (ORCPT ); Fri, 21 Feb 2020 11:12:54 -0500 Received: from mx07-00178001.pphosted.com ([62.209.51.94]:5856 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727312AbgBUQMu (ORCPT ); Fri, 21 Feb 2020 11:12:50 -0500 Received: from pps.filterd (m0046037.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 01LG82qH008254; Fri, 21 Feb 2020 17:12:24 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=st.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=STMicroelectronics; bh=j0cy0mKA7cM8Tk6Z9M9zdWvIoHNs4Pm0R3aUHtmCHIs=; b=ZgvvblOR1TTNkCPnTK2ZYbzpoTDZHAs2urCgIi4n8hxRJniMckK0ED6dE2lOD7KV8l4n 8wwaz6xOY/BevZurX+Sgl5DFTzz10sykb3fo+M8S4BVG7g9xt8UjLVnD9JUxOAsP5I9u ci55Yi/HblFgrlKcOVXFnlAzNpoGlRmMxf7WQq//BcuAZf/Y/tOXfNdpo5wyL0G/0MI0 CEIMny1ZVLzoM8frv5pkSKKSJHAqWc21kQNUph+55/pMKhBPVI7OAj9rPKsTD8/titVf PyINOjdDh+uqJ1mJu/oxAPd6RaRRxLtOC4aw0L3rVrme9NbtlH8FR5GVsu8G8bBb2Rqp Tg== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 2y8ub1r643-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 21 Feb 2020 17:12:24 +0100 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id A2B5310003A; Fri, 21 Feb 2020 17:12:22 +0100 (CET) Received: from Webmail-eu.st.com (sfhdag3node2.st.com [10.75.127.8]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 968672BE24A; Fri, 21 Feb 2020 17:12:22 +0100 (CET) Received: from localhost (10.75.127.50) by SFHDAG3NODE2.st.com (10.75.127.8) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Fri, 21 Feb 2020 17:12:21 +0100 From: Alexandre Torgue To: , Frank Rowand , Masahiro Yamada , Michal Marek , , CC: , Alexandre Torgue , , , , Ian Lepore Subject: [RFC PATCH v2 4/4] script: make automatic dtb build info generation Date: Fri, 21 Feb 2020 17:12:17 +0100 Message-ID: <20200221161217.20069-5-alexandre.torgue@st.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200221161217.20069-1-alexandre.torgue@st.com> References: <20200221161217.20069-1-alexandre.torgue@st.com> MIME-Version: 1.0 X-Originating-IP: [10.75.127.50] X-ClientProxiedBy: SFHDAG8NODE1.st.com (10.75.127.22) To SFHDAG3NODE2.st.com (10.75.127.8) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138,18.0.572 definitions=2020-02-21_05:2020-02-21,2020-02-21 signatures=0 Sender: linux-kbuild-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kbuild@vger.kernel.org Append each "xxx.dtb.dts.tmp" file with "build-info" entry during dtb build. It allows to get build information (date, source version, ...) for each device tree without modify them manually. Signed-off-by: Alexandre Torgue diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib index a5af84ef4ffc..f084e78267b2 100644 --- a/scripts/Makefile.lib +++ b/scripts/Makefile.lib @@ -289,6 +289,7 @@ quiet_cmd_dtc = DTC $@ cmd_dtc = mkdir -p $(dir ${dtc-tmp}) ; \ $(DTB_GEN_INFO) $(src) ; \ $(HOSTCC) -E $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \ + $(DTB_GEN_INFO) $(src) $(dtc-tmp) ; \ $(DTC) -O $(2) -o $@ -b 0 \ $(addprefix -i,$(dir $<) $(DTC_INCLUDE)) $(DTC_FLAGS) \ -d $(depfile).dtc.tmp $(dtc-tmp) ; \ diff --git a/scripts/gen_dtb_build_info.sh b/scripts/gen_dtb_build_info.sh index 0cd8bd98e410..72f31e386787 100755 --- a/scripts/gen_dtb_build_info.sh +++ b/scripts/gen_dtb_build_info.sh @@ -6,5 +6,7 @@ set -o nounset DTB_DIR=$1 DTB_COMPILE_BY=$(whoami | sed 's/\\/\\\\/') DTB_INFO="From Linux $KERNELRELEASE by $DTB_COMPILE_BY the $(date).\0" +DTS_FILE=$2 -printf "$DTB_INFO" > "$DTB_DIR/dtb-build.txt" +printf "$DTB_INFO" > "arch/arm/boot/dts/dtb-build.txt" +echo "&{/} {build-info = /incbin/(\"dtb-build.txt\");};" >> $DTS_FILE