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[95.125.227.10]) by smtp.gmail.com with ESMTPSA id s13sm9247455wmc.47.2021.11.11.05.33.19 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 11 Nov 2021 05:33:20 -0800 (PST) Subject: Re: [RFC PATCH v2 02/30] target/loongarch: Add CSR registers definition To: Xiaojuan Yang , qemu-devel@nongnu.org References: <1636594528-8175-1-git-send-email-yangxiaojuan@loongson.cn> <1636594528-8175-3-git-send-email-yangxiaojuan@loongson.cn> From: Richard Henderson Message-ID: <200cebb2-83a0-b3b0-3dfc-3c39f975f930@linaro.org> Date: Thu, 11 Nov 2021 14:33:17 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0 MIME-Version: 1.0 In-Reply-To: <1636594528-8175-3-git-send-email-yangxiaojuan@loongson.cn> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Host-Lookup-Failed: Reverse DNS lookup failed for 2a00:1450:4864:20::336 (failed) Received-SPF: pass client-ip=2a00:1450:4864:20::336; envelope-from=richard.henderson@linaro.org; helo=mail-wm1-x336.google.com X-Spam_score_int: -52 X-Spam_score: -5.3 X-Spam_bar: ----- X-Spam_report: (-5.3 / 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=-3.999, PDS_HP_HELO_NORDNS=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_NONE=0.793, 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: , Cc: Song Gao Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 11/11/21 2:35 AM, Xiaojuan Yang wrote: > @@ -179,12 +181,22 @@ static void loongarch_cpu_reset(DeviceState *dev) > LoongArchCPU *cpu = LOONGARCH_CPU(cs); > LoongArchCPUClass *lacc = LOONGARCH_CPU_GET_CLASS(cpu); > CPULoongArchState *env = &cpu->env; > + uint64_t data; > > lacc->parent_reset(dev); > > env->fcsr0_mask = 0x1f1f031f; > env->fcsr0 = 0x0; > > + /* Set direct mapping mode after reset */ > + data = FIELD_DP64(0, CSR_CRMD, PLV, 0); > + data = FIELD_DP64(data, CSR_CRMD, IE, 0); > + data = FIELD_DP64(data, CSR_CRMD, DA, 1); > + data = FIELD_DP64(data, CSR_CRMD, PG, 0); > + data = FIELD_DP64(data, CSR_CRMD, DATF, 1); > + data = FIELD_DP64(data, CSR_CRMD, DATM, 1); > + env->CSR_CRMD = data; This is not all that is listed in 6.3 Reset. r~