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Tue, 22 Aug 2023 00:20:37 -0700 (PDT) Received: from localhost.localdomain ([37.19.214.4]) by smtp.gmail.com with ESMTPSA id m25-20020a7bcb99000000b003fee7b67f67sm9792873wmi.31.2023.08.22.00.20.35 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Tue, 22 Aug 2023 00:20:36 -0700 (PDT) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org, Song Gao Cc: Jiajie Chen , Xiaojuan Yang , Huacai Chen , Richard Henderson , =?utf-8?q?Philippe_Mathie?= =?utf-8?q?u-Daud=C3=A9?= Subject: [PATCH RESEND v5 13/19] target/loongarch: Add LoongArch32 cpu la132 Date: Tue, 22 Aug 2023 09:19:53 +0200 Message-ID: <20230822071959.35620-4-philmd@linaro.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230822071405.35386-1-philmd@linaro.org> References: <20230822071405.35386-1-philmd@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::330; envelope-from=philmd@linaro.org; helo=mail-wm1-x330.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, 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Jiajie Chen Add LoongArch32 cpu la132. Due to lack of public documentation of la132, it is currently a synthetic LoongArch32 cpu model. Details need to be added in the future. Signed-off-by: Jiajie Chen Signed-off-by: Song Gao Acked-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daudé Message-ID: <20230822032724.1353391-10-gaosong@loongson.cn> --- target/loongarch/cpu.c | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/target/loongarch/cpu.c b/target/loongarch/cpu.c index 67eb6c3135..d3c3e0d8a1 100644 --- a/target/loongarch/cpu.c +++ b/target/loongarch/cpu.c @@ -440,6 +440,35 @@ static void loongarch_la464_initfn(Object *obj) env->CSR_ASID = FIELD_DP64(0, CSR_ASID, ASIDBITS, 0xa); } +static void loongarch_la132_initfn(Object *obj) +{ + LoongArchCPU *cpu = LOONGARCH_CPU(obj); + CPULoongArchState *env = &cpu->env; + + int i; + + for (i = 0; i < 21; i++) { + env->cpucfg[i] = 0x0; + } + + cpu->dtb_compatible = "loongarch,Loongson-1C103"; + env->cpucfg[0] = 0x148042; /* PRID */ + + uint32_t data = 0; + data = FIELD_DP32(data, CPUCFG1, ARCH, 1); /* LA32 */ + data = FIELD_DP32(data, CPUCFG1, PGMMU, 1); + data = FIELD_DP32(data, CPUCFG1, IOCSR, 1); + data = FIELD_DP32(data, CPUCFG1, PALEN, 0x1f); /* 32 bits */ + data = FIELD_DP32(data, CPUCFG1, VALEN, 0x1f); /* 32 bits */ + data = FIELD_DP32(data, CPUCFG1, UAL, 1); + data = FIELD_DP32(data, CPUCFG1, RI, 0); + data = FIELD_DP32(data, CPUCFG1, EP, 0); + data = FIELD_DP32(data, CPUCFG1, RPLV, 0); + data = FIELD_DP32(data, CPUCFG1, HP, 1); + data = FIELD_DP32(data, CPUCFG1, IOCSR_BRD, 1); + env->cpucfg[1] = data; +} + static void loongarch_cpu_list_entry(gpointer data, gpointer user_data) { const char *typename = object_class_get_name(OBJECT_CLASS(data)); @@ -787,6 +816,7 @@ static const TypeInfo loongarch_cpu_type_infos[] = { .class_init = loongarch64_cpu_class_init, }, DEFINE_LOONGARCH_CPU_TYPE(64, "la464", loongarch_la464_initfn), + DEFINE_LOONGARCH_CPU_TYPE(32, "la132", loongarch_la132_initfn), }; DEFINE_TYPES(loongarch_cpu_type_infos)