Message ID | 20211015074627.3957162-76-frank.chang@sifive.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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[123.193.74.252]) by smtp.gmail.com with ESMTPSA id z13sm4271680pfq.130.2021.10.15.00.50.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 15 Oct 2021 00:50:52 -0700 (PDT) From: frank.chang@sifive.com To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [PATCH v8 68/78] target/riscv: rvv-1.0: set mstatus.SD bit when writing vector CSRs Date: Fri, 15 Oct 2021 15:46:16 +0800 Message-Id: <20211015074627.3957162-76-frank.chang@sifive.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211015074627.3957162-1-frank.chang@sifive.com> References: <20211015074627.3957162-1-frank.chang@sifive.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::430; envelope-from=frank.chang@sifive.com; helo=mail-pf1-x430.google.com X-Spam_score_int: -1 X-Spam_score: -0.2 X-Spam_bar: / X-Spam_report: (-0.2 / 5.0 requ) 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: 2.1.23 Precedence: list List-Id: <qemu-devel.nongnu.org> List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe> List-Archive: <https://lists.nongnu.org/archive/html/qemu-devel> List-Post: <mailto:qemu-devel@nongnu.org> List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help> List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=subscribe> Cc: Frank Chang <frank.chang@sifive.com>, Palmer Dabbelt <palmer@dabbelt.com>, Bin Meng <bin.meng@windriver.com>, Alistair Francis <alistair.francis@wdc.com> Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" <qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org> |
Series |
support vector extension v1.0
|
expand
|
diff --git a/target/riscv/csr.c b/target/riscv/csr.c index 127393eb956..9f51626a3d8 100644 --- a/target/riscv/csr.c +++ b/target/riscv/csr.c @@ -297,10 +297,11 @@ static RISCVException write_vxrm(CPURISCVState *env, int csrno, target_ulong val) { #if !defined(CONFIG_USER_ONLY) + target_ulong sd = riscv_cpu_is_32bit(env) ? MSTATUS32_SD : MSTATUS64_SD; if (!env->debugger && !riscv_cpu_vector_enabled(env)) { return RISCV_EXCP_ILLEGAL_INST; } - env->mstatus |= MSTATUS_VS; + env->mstatus |= MSTATUS_VS | sd; #endif env->vxrm = val; @@ -318,10 +319,11 @@ static RISCVException write_vxsat(CPURISCVState *env, int csrno, target_ulong val) { #if !defined(CONFIG_USER_ONLY) + target_ulong sd = riscv_cpu_is_32bit(env) ? MSTATUS32_SD : MSTATUS64_SD; if (!env->debugger && !riscv_cpu_vector_enabled(env)) { return RISCV_EXCP_ILLEGAL_INST; } - env->mstatus |= MSTATUS_VS; + env->mstatus |= MSTATUS_VS | sd; #endif env->vxsat = val; @@ -339,10 +341,11 @@ static RISCVException write_vstart(CPURISCVState *env, int csrno, target_ulong val) { #if !defined(CONFIG_USER_ONLY) + target_ulong sd = riscv_cpu_is_32bit(env) ? MSTATUS32_SD : MSTATUS64_SD; if (!env->debugger && !riscv_cpu_vector_enabled(env)) { return RISCV_EXCP_ILLEGAL_INST; } - env->mstatus |= MSTATUS_VS; + env->mstatus |= MSTATUS_VS | sd; #endif /* @@ -362,10 +365,11 @@ static int read_vcsr(CPURISCVState *env, int csrno, target_ulong *val) static int write_vcsr(CPURISCVState *env, int csrno, target_ulong val) { #if !defined(CONFIG_USER_ONLY) + target_ulong sd = riscv_cpu_is_32bit(env) ? MSTATUS32_SD : MSTATUS64_SD; if (!env->debugger && !riscv_cpu_vector_enabled(env)) { return RISCV_EXCP_ILLEGAL_INST; } - env->mstatus |= MSTATUS_VS; + env->mstatus |= MSTATUS_VS | sd; #endif env->vxrm = (val & VCSR_VXRM) >> VCSR_VXRM_SHIFT;