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([179.93.21.205]) by smtp.gmail.com with ESMTPSA id c2-20020a170902848200b001d09c539c96sm7494897plo.229.2023.12.18.04.54.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 18 Dec 2023 04:54:53 -0800 (PST) From: Daniel Henrique Barboza To: qemu-devel@nongnu.org Cc: qemu-riscv@nongnu.org, alistair.francis@wdc.com, bmeng@tinylab.org, liwei1518@gmail.com, zhiwei_liu@linux.alibaba.com, palmer@rivosinc.com, ajones@ventanamicro.com, Daniel Henrique Barboza , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [PATCH v13 22/26] target/riscv/cpu.c: add riscv_cpu_is_32bit() Date: Mon, 18 Dec 2023 09:53:30 -0300 Message-ID: <20231218125334.37184-23-dbarboza@ventanamicro.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20231218125334.37184-1-dbarboza@ventanamicro.com> References: <20231218125334.37184-1-dbarboza@ventanamicro.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::62b; envelope-from=dbarboza@ventanamicro.com; helo=mail-pl1-x62b.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, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-riscv@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-riscv-bounces+qemu-riscv=archiver.kernel.org@nongnu.org Sender: qemu-riscv-bounces+qemu-riscv=archiver.kernel.org@nongnu.org Next patch will need to retrieve if a given RISCVCPU is 32 or 64 bit. The existing helper riscv_is_32bit() (hw/riscv/boot.c) will always check the first CPU of a given hart array, not any given CPU. Create a helper to retrieve the info for any given CPU, not the first CPU of the hart array. The helper is using the same 32 bit check that riscv_cpu_satp_mode_finalize() was doing. Signed-off-by: Daniel Henrique Barboza Reviewed-by: Andrew Jones Reviewed-by: Philippe Mathieu-Daudé --- target/riscv/cpu.c | 7 ++++++- target/riscv/cpu.h | 1 + 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index 6af1148cf5..1dea5db52d 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -53,6 +53,11 @@ const uint32_t misa_bits[] = {RVI, RVE, RVM, RVA, RVF, RVD, RVV, #define BYTE(x) (x) #endif +bool riscv_cpu_is_32bit(RISCVCPU *cpu) +{ + return riscv_cpu_mxl(&cpu->env) == MXL_RV32; +} + #define ISA_EXT_DATA_ENTRY(_name, _min_ver, _prop) \ {#_name, _min_ver, CPU_CFG_OFFSET(_prop)} @@ -980,7 +985,7 @@ static void riscv_cpu_disas_set_info(CPUState *s, disassemble_info *info) #ifndef CONFIG_USER_ONLY static void riscv_cpu_satp_mode_finalize(RISCVCPU *cpu, Error **errp) { - bool rv32 = riscv_cpu_mxl(&cpu->env) == MXL_RV32; + bool rv32 = riscv_cpu_is_32bit(cpu); uint8_t satp_mode_map_max, satp_mode_supported_max; /* The CPU wants the OS to decide which satp mode to use */ diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h index 1f34eda1e4..485d2da3c2 100644 --- a/target/riscv/cpu.h +++ b/target/riscv/cpu.h @@ -695,6 +695,7 @@ void cpu_get_tb_cpu_state(CPURISCVState *env, vaddr *pc, uint64_t *cs_base, uint32_t *pflags); void riscv_cpu_update_mask(CPURISCVState *env); +bool riscv_cpu_is_32bit(RISCVCPU *cpu); RISCVException riscv_csrrw(CPURISCVState *env, int csrno, target_ulong *ret_value, -- 2.43.0