From patchwork Thu Aug 3 20:45:06 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ryan Eatmon X-Patchwork-Id: 28388 X-Patchwork-Delegate: reatmon@ti.com Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2B6C0C00528 for ; Thu, 3 Aug 2023 20:45:13 +0000 (UTC) Received: from fllv0016.ext.ti.com (fllv0016.ext.ti.com [198.47.19.142]) by mx.groups.io with SMTP id smtpd.web11.5110.1691095509540201058 for ; Thu, 03 Aug 2023 13:45:09 -0700 Authentication-Results: mx.groups.io; dkim=pass header.i=@ti.com header.s=ti-com-17Q1 header.b=bRpC+8JY; spf=pass (domain: ti.com, ip: 198.47.19.142, mailfrom: reatmon@ti.com) Received: from fllv0034.itg.ti.com ([10.64.40.246]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id 373Kj7eF010671; Thu, 3 Aug 2023 15:45:07 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1691095507; bh=dUCHCyZQz5H4vTDZ8GJGieXdz7/GuN3IRJNEGxU4hJ0=; h=From:To:Subject:Date; b=bRpC+8JYags6jhDDHrIlzMTNkesVdz0/y8fPfkobqczAUVIOCiNWUij16SBjxMHqk jraXGvXAnRrHQfCp8x+13aA40rykHwMd6iK5Ede83y6X/85A1+gifHR64SJEEfEBwx hI/tSKku0h0Ip9rF9YzYdwKC4FiS1U6hq4XFjX/w= Received: from DFLE110.ent.ti.com (dfle110.ent.ti.com [10.64.6.31]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 373Kj7kt107903 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 3 Aug 2023 15:45:07 -0500 Received: from DFLE114.ent.ti.com (10.64.6.35) by DFLE110.ent.ti.com (10.64.6.31) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Thu, 3 Aug 2023 15:45:07 -0500 Received: from fllv0039.itg.ti.com (10.64.41.19) by DFLE114.ent.ti.com (10.64.6.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23 via Frontend Transport; Thu, 3 Aug 2023 15:45:07 -0500 Received: from uda0214219 (ileaxei01-snat2.itg.ti.com [10.180.69.6]) by fllv0039.itg.ti.com (8.15.2/8.15.2) with ESMTP id 373Kj7aN033599; Thu, 3 Aug 2023 15:45:07 -0500 Received: from reatmon by uda0214219 with local (Exim 4.90_1) (envelope-from ) id 1qRfBz-0002CG-95; Thu, 03 Aug 2023 15:45:07 -0500 From: Ryan Eatmon To: Praneeth Bajjuri , Denys Dmytriyenko , Subject: [meta-arago][master/kirkstone][PATCH 1/2] tisdk-tiny-initramfs: Create a smaller dedicated initramfs for tiny Date: Thu, 3 Aug 2023 15:45:06 -0500 Message-ID: <20230803204507.8402-1-reatmon@ti.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 List-Id: X-Webhook-Received: from li982-79.members.linode.com [45.33.32.79] by aws-us-west-2-korg-lkml-1.web.codeaurora.org with HTTPS for ; Thu, 03 Aug 2023 20:45:13 -0000 X-Groupsio-URL: https://lists.yoctoproject.org/g/meta-arago/message/14817 The initramfs does not need grub-efi or the /boot directory since it does not have to boot the system itself. So create a version of the tiny-image that strips those out and follow the oe-core methodology for initramfs. Signed-off-by: Ryan Eatmon --- .../classes/remove-boot-dir.bbclass | 9 +++++++ .../images/tisdk-tiny-initramfs.bb | 27 +++++++++++++++++++ .../packagegroup-arago-initramfs.bb | 5 ++++ 3 files changed, 41 insertions(+) create mode 100644 meta-arago-distro/classes/remove-boot-dir.bbclass create mode 100644 meta-arago-distro/recipes-core/images/tisdk-tiny-initramfs.bb create mode 100644 meta-arago-distro/recipes-core/packagegroups/packagegroup-arago-initramfs.bb diff --git a/meta-arago-distro/classes/remove-boot-dir.bbclass b/meta-arago-distro/classes/remove-boot-dir.bbclass new file mode 100644 index 00000000..61c8f22d --- /dev/null +++ b/meta-arago-distro/classes/remove-boot-dir.bbclass @@ -0,0 +1,9 @@ +# Add a ROOTFS_POSTPROCESS_COMMAND that will remove some files from the +# rootfs for initramfs images. + +ROOTFS_POSTPROCESS_COMMAND += "remove_boot_dir;" + +remove_boot_dir () { + rm -rf ${IMAGE_ROOTFS}/boot +} + diff --git a/meta-arago-distro/recipes-core/images/tisdk-tiny-initramfs.bb b/meta-arago-distro/recipes-core/images/tisdk-tiny-initramfs.bb new file mode 100644 index 00000000..0b8bfba8 --- /dev/null +++ b/meta-arago-distro/recipes-core/images/tisdk-tiny-initramfs.bb @@ -0,0 +1,27 @@ +SUMMARY = "Arago TI SDK super minimal base image for initramfs" + +DESCRIPTION = "Image meant for basic boot of linux kernel. Intended as\ + bare system, this image does not package the kernel in the\ + standard /boot folder in rootfs. Instead, it provides a base\ + rootfs allowing kernel to be deployed elsewhere\ + (tftp/separate boot partition/jtag log etc..) and boot\ + the image.\ +" + +LICENSE = "MIT" + +inherit core-image +inherit remove-boot-dir + +IMAGE_FEATURES:remove = "package-management" + +INITRAMFS_FSTYPES = "cpio cpio.xz" +INITRAMFS_MAXSIZE = "65536" +IMAGE_OVERHEAD_FACTOR = "1" + +IMAGE_FSTYPES = "${INITRAMFS_FSTYPES}" + +PACKAGE_INSTALL = "packagegroup-arago-initramfs" + +export IMAGE_BASENAME = "tisdk-tiny-initramfs" + diff --git a/meta-arago-distro/recipes-core/packagegroups/packagegroup-arago-initramfs.bb b/meta-arago-distro/recipes-core/packagegroups/packagegroup-arago-initramfs.bb new file mode 100644 index 00000000..63e3da01 --- /dev/null +++ b/meta-arago-distro/recipes-core/packagegroups/packagegroup-arago-initramfs.bb @@ -0,0 +1,5 @@ + +require recipes-core/packagegroups/packagegroup-core-boot.bb + +RDEPENDS:${PN}:remove = "grub-efi kernel" +