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[83.11.36.13]) by smtp.gmail.com with ESMTPSA id e19-20020a50a693000000b004ad61135698sm5396328edc.13.2023.03.06.09.29.29 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 06 Mar 2023 09:29:29 -0800 (PST) Message-ID: Date: Mon, 6 Mar 2023 18:29:28 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.8.0 Subject: Re: [PATCH v2] target/arm: Add Neoverse-N1 registers Content-Language: pl-PL, en-GB, en-HK From: Marcin Juszkiewicz To: Peter Maydell , Chen Baozi Cc: qemu-devel@nongnu.org, "open list:ARM TCG CPUs" References: <20230306151243.3877250-1-chenbaozi@phytium.com.cn> <5f8a1a7a-2971-029e-adc2-eef8a3c121ab@linaro.org> Organization: Linaro In-Reply-To: <5f8a1a7a-2971-029e-adc2-eef8a3c121ab@linaro.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::52b; envelope-from=marcin.juszkiewicz@linaro.org; helo=mail-ed1-x52b.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, NICE_REPLY_A=-0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org W dniu 6.03.2023 o 18:13, Marcin Juszkiewicz pisze: > W dniu 6.03.2023 o 16:37, Peter Maydell pisze: > > On Mon, 6 Mar 2023 at 15:12, Chen Baozi > wrote: > >> > >> Add implementation defined registers for neoverse-n1 which > >> would be accessed by TF-A. Since there is no DSU in Qemu, > >> CPUCFR_EL1.SCU bit is set to 1 to avoid DSU registers definition. > >> > >> Signed-off-by: Chen Baozi > >> Tested-by: Marcin Juszkiewicz > > > > Did Marcin test this version of the patch ? > > Hard to test it without updating TF-A first to not use DSU. Older TF-A > starts and then hangs. > > Waiting for Chen to provide patch to TF-A and will test. Tested-by: Marcin Juszkiewicz Adding neoverse_n_common.S turned out to be enough: ~ # cat /proc/cpuinfo processor : 0 BogoMIPS : 125.00 Features : fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics fphp asimdhp cpuid asimdrdm lrcpc dcpop asimddp ssbs CPU implementer : 0x41 CPU architecture: 8 CPU variant : 0x4 CPU part : 0xd0c CPU revision : 1