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 5C929C52D7C for ; Tue, 13 Aug 2024 03:27:58 +0000 (UTC) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id B6E3F87F8D; Tue, 13 Aug 2024 05:27:56 +0200 (CEST) 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 CD9668886A; Tue, 13 Aug 2024 05:27:55 +0200 (CEST) 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 9550987DC7 for ; Tue, 13 Aug 2024 05:27:53 +0200 (CEST) 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 (ATCPCS34.andestech.com [10.0.1.134]) by Atcsqr.andestech.com with ESMTPS id 47D3Rdgv003489 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=OK); Tue, 13 Aug 2024 11:27:39 +0800 (+08) (envelope-from ycliang@andestech.com) Received: from swlinux02 (10.0.15.183) by ATCPCS34.andestech.com (10.0.1.134) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.39; Tue, 13 Aug 2024 11:27:39 +0800 Date: Tue, 13 Aug 2024 11:27:39 +0800 From: Leo Liang To: Heinrich Schuchardt CC: Rick Chen , Subject: Re: [PATCH 1/1] cmd: add rdcycle test to RISC-V exception command Message-ID: References: <20240811144123.211756-1-heinrich.schuchardt@canonical.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20240811144123.211756-1-heinrich.schuchardt@canonical.com> User-Agent: Mutt/2.2.10 (e0e92c31) (2023-03-25) X-Originating-IP: [10.0.15.183] X-ClientProxiedBy: ATCPCS33.andestech.com (10.0.1.100) To ATCPCS34.andestech.com (10.0.1.134) X-DNSRBL: X-MAIL: Atcsqr.andestech.com 47D3Rdgv003489 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 Sun, Aug 11, 2024 at 04:41:23PM +0200, Heinrich Schuchardt wrote: > [EXTERNAL MAIL] > > Some versions of KVM don't allow access to the cycle CSR. > > Provide a command 'exception rdcycle' for testing. > > If the cycle CSR is accessible, we get an output like: > > => exception rdcycle > cycle = 0x41f7563de > > If the cycle CSR is not accessible, we get an output like: > > => exception rdcycle > Unhandled exception: Illegal instruction > > Put subcommands into alphabetical order in long help. > > Signed-off-by: Heinrich Schuchardt > --- > cmd/riscv/exception.c | 15 +++++++++++++-- > 1 file changed, 13 insertions(+), 2 deletions(-) Reviewed-by: Leo Yu-Chi Liang