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[189.204.159.168]) by smtp.gmail.com with ESMTPSA id s42-20020a4a96ad000000b00324c54e9cf5sm6527617ooi.4.2022.03.28.13.57.03 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 28 Mar 2022 13:57:04 -0700 (PDT) Message-ID: <28a67123-d98c-eec5-c82b-971e1dc8eda8@linaro.org> Date: Mon, 28 Mar 2022 14:57:01 -0600 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.7.0 Subject: Re: [RFC PATCH v7 15/29] hw/loongarch: Add LoongArch cpu interrupt support(CPUINTC) Content-Language: en-US To: Xiaojuan Yang , qemu-devel@nongnu.org References: <20220328125749.2918087-1-yangxiaojuan@loongson.cn> <20220328125749.2918087-16-yangxiaojuan@loongson.cn> From: Richard Henderson In-Reply-To: <20220328125749.2918087-16-yangxiaojuan@loongson.cn> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Host-Lookup-Failed: Reverse DNS lookup failed for 2607:f8b0:4864:20::229 (failed) Received-SPF: pass client-ip=2607:f8b0:4864:20::229; envelope-from=richard.henderson@linaro.org; helo=mail-oi1-x229.google.com X-Spam_score_int: -6 X-Spam_score: -0.7 X-Spam_bar: / X-Spam_report: (-0.7 / 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, PDS_HP_HELO_NORDNS=0.659, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no 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: mark.cave-ayland@ilande.co.uk, Song Gao Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 3/28/22 06:57, Xiaojuan Yang wrote: > +static void loongarch_cpu_set_irq(void *opaque, int irq, int level) > +{ > + LoongArchCPU *cpu = opaque; > + CPULoongArchState *env = &cpu->env; > + CPUState *cs = CPU(cpu); > + > + if (irq < 0 || irq > N_IRQS) { > + return; > + } > + > + if (level) { > + env->CSR_ESTAT |= 1 << irq; > + } else { > + env->CSR_ESTAT &= ~(1 << irq); > + } > + > + if (FIELD_EX64(env->CSR_ESTAT, CSR_ESTAT, IS)) { > + cpu_interrupt(cs, CPU_INTERRUPT_HARD); > + } else { > + cpu_reset_interrupt(cs, CPU_INTERRUPT_HARD); > + } > +} > + > static void loongarch_cpu_reset(void *opaque) > { > LoongArchCPU *cpu = opaque; > @@ -69,6 +92,8 @@ static void loongarch_cpu_init(LoongArchCPU *la_cpu, int cpu_num) > CPULoongArchState *env; > env = &la_cpu->env; > > + qdev_init_gpio_in(DEVICE(la_cpu), loongarch_cpu_set_irq, N_IRQS); This all belongs over in target/loongarch/. r~