From mboxrd@z Thu Jan 1 00:00:00 1970 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 phobos.denx.de (phobos.denx.de [85.214.62.61]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 40C89C54E64 for ; Thu, 28 Mar 2024 07:37:26 +0000 (UTC) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id C0DE2880A7; Thu, 28 Mar 2024 08:37:24 +0100 (CET) Authentication-Results: phobos.denx.de; dmarc=fail (p=quarantine dis=none) header.from=andestech.com Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de Received: by phobos.denx.de (Postfix, from userid 109) id A2942880BB; Thu, 28 Mar 2024 08:37:23 +0100 (CET) Received: from Atcsqr.andestech.com (60-248-80-70.hinet-ip.hinet.net [60.248.80.70]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by phobos.denx.de (Postfix) with ESMTPS id 3129083346 for ; Thu, 28 Mar 2024 08:37:19 +0100 (CET) Authentication-Results: phobos.denx.de; dmarc=fail (p=quarantine dis=none) header.from=andestech.com Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=ycliang@andestech.com Received: from mail.andestech.com (ATCPCS16.andestech.com [10.0.1.222]) by Atcsqr.andestech.com with ESMTP id 42S7awbr069187; Thu, 28 Mar 2024 15:36:58 +0800 (+08) (envelope-from ycliang@andestech.com) Received: from swlinux02 (10.0.15.183) by ATCPCS16.andestech.com (10.0.1.222) with Microsoft SMTP Server id 14.3.498.0; Thu, 28 Mar 2024 15:36:57 +0800 Date: Thu, 28 Mar 2024 15:36:54 +0800 From: Leo Liang To: Ben Dooks CC: , , Subject: Re: [[PATCH v2]] riscv: add backtrace support Message-ID: References: <20230905121253.269941-1-ben.dooks@codethink.co.uk> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20230905121253.269941-1-ben.dooks@codethink.co.uk> User-Agent: Mutt/2.2.10 (e0e92c31) (2023-03-25) X-Originating-IP: [10.0.15.183] X-DNSRBL: X-MAIL: Atcsqr.andestech.com 42S7awbr069187 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 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" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean On Tue, Sep 05, 2023 at 01:12:53PM +0100, Ben Dooks wrote: > When debugging, it is useful to have a backtrace to find > out what is in the call stack as the previous function (RA) > may not have been the culprit. > > Since this adds size to the build, do not add it by default > and avoid putting it in the SPL build if not needed. > > Signed-off-by: Ben Dooks > --- > v2: > - back to codethink email as sifive account is now gone > - add option to build SPL with frame pointer > (as suggested by Bo Gan > --- > arch/riscv/Kconfig | 20 ++++++++++++++++++++ > arch/riscv/Makefile | 4 ++++ > arch/riscv/cpu/start.S | 1 + > arch/riscv/lib/interrupts.c | 35 +++++++++++++++++++++++++++++++++++ > 4 files changed, 60 insertions(+) Tested-by: Leo Yu-Chi Liang