From patchwork Thu Sep 22 13:04:51 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chen Zhongjin X-Patchwork-Id: 12985098 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 280C9C6FA82 for ; Thu, 22 Sep 2022 13:10:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject: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=WFdOrU0IpFRGbpA1Y/HY9lxM5aCbcsJ4avpt0D4e4/o=; b=fB88L4Rk/YAOPZ bal6VwYrF+2mKiG0bGWJGhMzRlT73Mn4ZkwBIWKDdL3u8lM0FJtNyuXJsiMazfXqzEGzHc6wh4SaW upazJN+GZXFcbzZRicMXdXE8xCY9TDAhOJt3Zx4otAkTkwmWYFu9l2Cw9i3+BOwIctkU3j4/1U41Q hxZmYVHVlQcDn/6d2vW7315z+9dpceuqM6FEFnLq7qAG57ngCZiRSPDzXuMl/hwCXU6iGYoQMfE4D qLm9yJahO9hzODy6ZBmwOLosAuIa6OF3aFSGvhnBpUpujEVi3wqtmaSxiOoblG0Nus2lz94GvhS+1 VUbK0QyyMAim4YxD6jPg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1obLx6-00FZ66-VU; Thu, 22 Sep 2022 13:09:17 +0000 Received: from szxga03-in.huawei.com ([45.249.212.189]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1obLwb-00FYtA-Oe for linux-arm-kernel@lists.infradead.org; Thu, 22 Sep 2022 13:08:49 +0000 Received: from dggpemm500020.china.huawei.com (unknown [172.30.72.57]) by szxga03-in.huawei.com (SkyGuard) with ESMTP id 4MYFsf3kKJzHpvG; Thu, 22 Sep 2022 21:06:30 +0800 (CST) Received: from dggpemm500013.china.huawei.com (7.185.36.172) by dggpemm500020.china.huawei.com (7.185.36.49) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Thu, 22 Sep 2022 21:08:32 +0800 Received: from ubuntu1804.huawei.com (10.67.175.36) by dggpemm500013.china.huawei.com (7.185.36.172) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Thu, 22 Sep 2022 21:08:34 +0800 From: Chen Zhongjin To: , , CC: , , , , , , , , , Subject: [PATCH -next 2/3] arm64: head: Mark constants as data Date: Thu, 22 Sep 2022 21:04:51 +0800 Message-ID: <20220922130452.233323-3-chenzhongjin@huawei.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220922130452.233323-1-chenzhongjin@huawei.com> References: <20220922130452.233323-1-chenzhongjin@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.67.175.36] X-ClientProxiedBy: dggems703-chm.china.huawei.com (10.3.19.180) To dggpemm500013.china.huawei.com (7.185.36.172) X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220922_060846_067097_D78E0021 X-CRM114-Status: UNSURE ( 8.72 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add data annotations to constants part of the image header. Signed-off-by: Julien Thierry Signed-off-by: Chen Zhongjin Reviewed-by: Mark Brown --- arch/arm64/kernel/head.S | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/arch/arm64/kernel/head.S b/arch/arm64/kernel/head.S index 814b6587ccb7..f298e88e2d23 100644 --- a/arch/arm64/kernel/head.S +++ b/arch/arm64/kernel/head.S @@ -57,9 +57,10 @@ /* * DO NOT MODIFY. Image header expected by Linux boot-loaders. */ - efi_signature_nop // special NOP to identity as PE/COFF executable +SYM_DATA_LOCAL(efi_nop, efi_signature_nop) // special NOP to identity as PE/COFF executable b primary_entry // branch to kernel start, magic - .quad 0 // Image load offset from start of RAM, little-endian +SYM_DATA_LOCAL(_zero_reserved, .quad 0) // Image load offset from start of RAM, little-endian +SYM_DATA_START_LOCAL(_arm64_common_header) le64sym _kernel_size_le // Effective size of kernel image, little-endian le64sym _kernel_flags_le // Informative flags, little-endian .quad 0 // reserved @@ -67,6 +68,7 @@ .quad 0 // reserved .ascii ARM64_IMAGE_MAGIC // Magic number .long .Lpe_header_offset // Offset to the PE header. +SYM_DATA_END(_arm64_common_header) __EFI_PE_HEADER