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[2.7.42.160]) by smtp.gmail.com with ESMTPSA id n35-20020a05600c3ba300b003db12112fcfsm11356682wms.4.2023.01.23.01.07.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 23 Jan 2023 01:07:29 -0800 (PST) From: Alexandre Ghiti To: Palmer Dabbelt , Alistair Francis , Bin Meng , Andrew Jones , Frank Chang , qemu-riscv@nongnu.org, qemu-devel@nongnu.org Cc: Alexandre Ghiti Subject: [PATCH v6 4/5] riscv: Correctly set the device-tree entry 'mmu-type' Date: Mon, 23 Jan 2023 10:03:23 +0100 Message-Id: <20230123090324.732681-5-alexghiti@rivosinc.com> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20230123090324.732681-1-alexghiti@rivosinc.com> References: <20230123090324.732681-1-alexghiti@rivosinc.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::32e; envelope-from=alexghiti@rivosinc.com; helo=mail-wm1-x32e.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable 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 The 'mmu-type' should reflect what the hardware is capable of so use the new satp_mode field in RISCVCPUConfig to do that. Signed-off-by: Alexandre Ghiti --- hw/riscv/virt.c | 19 ++++++++++--------- 1 file changed, 10 insertions(+), 9 deletions(-) diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c index 94ff2a1584..48d034a5f7 100644 --- a/hw/riscv/virt.c +++ b/hw/riscv/virt.c @@ -228,7 +228,8 @@ static void create_fdt_socket_cpus(RISCVVirtState *s, int socket, int cpu; uint32_t cpu_phandle; MachineState *mc = MACHINE(s); - char *name, *cpu_name, *core_name, *intc_name; + uint8_t satp_mode_max; + char *name, *cpu_name, *core_name, *intc_name, *sv_name; for (cpu = s->soc[socket].num_harts - 1; cpu >= 0; cpu--) { cpu_phandle = (*phandle)++; @@ -236,14 +237,14 @@ static void create_fdt_socket_cpus(RISCVVirtState *s, int socket, cpu_name = g_strdup_printf("/cpus/cpu@%d", s->soc[socket].hartid_base + cpu); qemu_fdt_add_subnode(mc->fdt, cpu_name); - if (riscv_feature(&s->soc[socket].harts[cpu].env, - RISCV_FEATURE_MMU)) { - qemu_fdt_setprop_string(mc->fdt, cpu_name, "mmu-type", - (is_32_bit) ? "riscv,sv32" : "riscv,sv48"); - } else { - qemu_fdt_setprop_string(mc->fdt, cpu_name, "mmu-type", - "riscv,none"); - } + + satp_mode_max = satp_mode_max_from_map( + s->soc[socket].harts[cpu].cfg.satp_mode.map); + sv_name = g_strdup_printf("riscv,%s", + satp_mode_str(satp_mode_max, is_32_bit)); + qemu_fdt_setprop_string(mc->fdt, cpu_name, "mmu-type", sv_name); + g_free(sv_name); + name = riscv_isa_string(&s->soc[socket].harts[cpu]); qemu_fdt_setprop_string(mc->fdt, cpu_name, "riscv,isa", name); g_free(name); -- 2.37.2