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[59.124.168.89]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-1ef0bf31a7asm25579175ad.140.2024.05.09.23.53.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 09 May 2024 23:53:38 -0700 (PDT) From: "Fea.Wang" To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Cc: "Fea.Wang" , Frank Chang , Palmer Dabbelt , Alistair Francis , Bin Meng , Weiwei Li , Daniel Henrique Barboza , Liu Zhiwei Subject: [PATCH 3/5] target/riscv: Add 'P1P13' bit in SMSTATEEN0 Date: Fri, 10 May 2024 14:58:53 +0800 Message-Id: <20240510065856.2436870-4-fea.wang@sifive.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240510065856.2436870-1-fea.wang@sifive.com> References: <20240510065856.2436870-1-fea.wang@sifive.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::633; envelope-from=fea.wang@sifive.com; helo=mail-pl1-x633.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=unavailable autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Fri, 10 May 2024 09:17:57 -0400 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 Based on privilege 1.13 spec, there should be a bit56 for 'P1P13' in SMSTATEEN0 that controls access to the hedeleg. Signed-off-by: Fea.Wang Reviewed-by: Frank Chang --- target/riscv/cpu_bits.h | 1 + target/riscv/csr.c | 10 ++++++++++ 2 files changed, 11 insertions(+) diff --git a/target/riscv/cpu_bits.h b/target/riscv/cpu_bits.h index 74318a925c..28bd3fb0b4 100644 --- a/target/riscv/cpu_bits.h +++ b/target/riscv/cpu_bits.h @@ -315,6 +315,7 @@ #define SMSTATEEN0_CS (1ULL << 0) #define SMSTATEEN0_FCSR (1ULL << 1) #define SMSTATEEN0_JVT (1ULL << 2) +#define SMSTATEEN0_P1P13 (1ULL << 56) #define SMSTATEEN0_HSCONTXT (1ULL << 57) #define SMSTATEEN0_IMSIC (1ULL << 58) #define SMSTATEEN0_AIA (1ULL << 59) diff --git a/target/riscv/csr.c b/target/riscv/csr.c index 6b460ee0e8..d844ce770e 100644 --- a/target/riscv/csr.c +++ b/target/riscv/csr.c @@ -2248,6 +2248,11 @@ static RISCVException write_mstateen0(CPURISCVState *env, int csrno, wr_mask |= SMSTATEEN0_FCSR; } + RISCVCPU *cpu = env_archcpu(env); + if (cpu->env.priv_ver >= PRIV_VERSION_1_13_0) { + wr_mask |= SMSTATEEN0_P1P13; + } + return write_mstateen(env, csrno, wr_mask, new_val); } @@ -2283,6 +2288,11 @@ static RISCVException write_mstateen0h(CPURISCVState *env, int csrno, { uint64_t wr_mask = SMSTATEEN_STATEEN | SMSTATEEN0_HSENVCFG; + RISCVCPU *cpu = env_archcpu(env); + if (cpu->env.priv_ver >= PRIV_VERSION_1_13_0) { + wr_mask |= SMSTATEEN0_P1P13; + } + return write_mstateenh(env, csrno, wr_mask, new_val); } -- 2.34.1