From patchwork Fri Oct 19 22:07:33 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lukas Auer X-Patchwork-Id: 987061 X-Patchwork-Delegate: uboot@andestech.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=lists.denx.de (client-ip=81.169.180.215; helo=lists.denx.de; envelope-from=u-boot-bounces@lists.denx.de; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=aisec.fraunhofer.de Received: from lists.denx.de (dione.denx.de [81.169.180.215]) by ozlabs.org (Postfix) with ESMTP id 42cKrp3t6qz9sjG for ; Sat, 20 Oct 2018 09:11:54 +1100 (AEDT) Received: by lists.denx.de (Postfix, from userid 105) id 2310CC21D9A; Fri, 19 Oct 2018 22:11:44 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on lists.denx.de X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=unavailable autolearn_force=no version=3.4.0 Received: from lists.denx.de (localhost [IPv6:::1]) by lists.denx.de (Postfix) with ESMTP id 83938C21DDC; Fri, 19 Oct 2018 22:11:43 +0000 (UTC) Received: by lists.denx.de (Postfix, from userid 105) id 3F2E5C21DAF; Fri, 19 Oct 2018 22:10:49 +0000 (UTC) Received: from mail-edgeS23.fraunhofer.de (mail-edges23.fraunhofer.de [153.97.7.23]) by lists.denx.de (Postfix) with ESMTPS id 9DA05C21D72 for ; Fri, 19 Oct 2018 22:10:45 +0000 (UTC) X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A2EeAABKVcpb/xwBYJlkGgEBAQEBAgEBAQEHAgEBAQGBVAIBAQEBCwGCBIFTOoxsizubFg2EbAKFCSE3Cg0BAwEBAgEBAgICaSiFPAZ5EFE9GgYOBYMhggEBqH+KGgkBhyKEI4FYP4hqgQSFDQKeQQcCgQ2BAQSOTwsXiSuGfpZSgVkjgVUzGiSDO5BZbQGJV4JNAQE X-IPAS-Result: A2EeAABKVcpb/xwBYJlkGgEBAQEBAgEBAQEHAgEBAQGBVAIBAQEBCwGCBIFTOoxsizubFg2EbAKFCSE3Cg0BAwEBAgEBAgICaSiFPAZ5EFE9GgYOBYMhggEBqH+KGgkBhyKEI4FYP4hqgQSFDQKeQQcCgQ2BAQSOTwsXiSuGfpZSgVkjgVUzGiSDO5BZbQGJV4JNAQE X-IronPort-AV: E=Sophos;i="5.54,401,1534802400"; d="scan'208";a="6664215" Received: from mail-mtaka28.fraunhofer.de ([153.96.1.28]) by mail-edgeS23.fraunhofer.de with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 20 Oct 2018 00:10:45 +0200 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A0CjAAAiVcpb/xBhWMBkHAEBAQQBAQcEAQGBVAQBAQsBhBGMbKZRDYRsAoUpNwoNAQMBAQIBAQJtKIU7BnkQUT0aBg4FgyGCAqh/ihoJAYcihXs/iGqBBIUNAp5BBwKBDYEBBI5PCxeJK4Z+llKBWSKBVTMaJIM7kFk9MAGJV4JNAQE X-IronPort-AV: E=Sophos;i="5.54,401,1534802400"; d="scan'208";a="18910111" Received: from fgdemucivp01ltm.xch.fraunhofer.de (HELO FGDEMUCIMP11EXC.ads.fraunhofer.de) ([192.88.97.16]) by mail-mtaKA28.fraunhofer.de with ESMTP/TLS/AES256-SHA; 20 Oct 2018 00:10:45 +0200 Received: from localhost.de (10.80.233.50) by FGDEMUCIMP11EXC.ads.fraunhofer.de (10.80.232.42) with Microsoft SMTP Server (TLS) id 14.3.408.0; Sat, 20 Oct 2018 00:12:04 +0200 From: Lukas Auer To: Date: Sat, 20 Oct 2018 00:07:33 +0200 Message-ID: <20181019220743.15020-21-lukas.auer@aisec.fraunhofer.de> X-Mailer: git-send-email 2.17.2 In-Reply-To: <20181019220743.15020-1-lukas.auer@aisec.fraunhofer.de> References: <20181019220743.15020-1-lukas.auer@aisec.fraunhofer.de> MIME-Version: 1.0 X-TM-AS-Product-Ver: SMEX-11.0.0.4179-8.200.1013-24166.002 X-TM-AS-Result: No--3.197600-8.000000-31 X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No Cc: Greentime Hu Subject: [U-Boot] [PATCH 20/30] riscv: align mtvec on a 4-byte boundary X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.18 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" The machine trap-vector base address (mtvec) must be aligned on a 4-byte boundary. Add the necessary align directive to trap_entry. This patch also removes the global directive for trap_entry, which is not required. Signed-off-by: Lukas Auer Reviewed-by: Bin Meng --- arch/riscv/cpu/start.S | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/riscv/cpu/start.S b/arch/riscv/cpu/start.S index bd5904500c..88b4aaa1c0 100644 --- a/arch/riscv/cpu/start.S +++ b/arch/riscv/cpu/start.S @@ -42,7 +42,6 @@ nmi_vector: trap_vector: j trap_entry -.global trap_entry handle_reset: li t0, CONFIG_SYS_SDRAM_BASE SREG a2, 0(t0) @@ -208,6 +207,7 @@ call_board_init_r: /* * trap entry */ +.align 2 trap_entry: addi sp, sp, -32*REGBYTES SREG x1, 1*REGBYTES(sp)