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25 Aug 2020 11:46:32 -0700 IronPort-SDR: vEoJnfuVBPhJXqHWkXH1ZQ7fi9BkfOHt1xp+9cbd/POL5aW2u6EejoTXd4W43ZnbsDSOXYalA1 +Ze2+9Z9H65Q== WDCIronportException: Internal Received: from ind003389.ad.shared (HELO risc6-mainframe.hgst.com) ([10.86.59.125]) by uls-op-cesaip02.wdc.com with ESMTP; 25 Aug 2020 11:58:56 -0700 From: Alistair Francis To: qemu-devel@nongnu.org Subject: [PULL 14/18] target/riscv: Only support a single VSXL length Date: Tue, 25 Aug 2020 11:48:32 -0700 Message-Id: <20200825184836.1282371-15-alistair.francis@wdc.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200825184836.1282371-1-alistair.francis@wdc.com> References: <20200825184836.1282371-1-alistair.francis@wdc.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=216.71.153.141; envelope-from=prvs=49978a6e9=alistair.francis@wdc.com; helo=esa3.hgst.iphmx.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/08/25 14:58:53 X-ACL-Warn: Detected OS = FreeBSD 9.x or newer [fuzzy] X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 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_MED=-2.3, SPF_HELO_PASS=-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: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: alistair23@gmail.com, alistair.francis@wdc.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Alistair Francis Message-id: f3f4fd2ec22a07cc1d750e96895d6813f131de4d.1597259519.git.alistair.francis@wdc.com Message-Id: --- target/riscv/csr.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/target/riscv/csr.c b/target/riscv/csr.c index f9ac21d687..390ef781e4 100644 --- a/target/riscv/csr.c +++ b/target/riscv/csr.c @@ -836,12 +836,21 @@ static int write_satp(CPURISCVState *env, int csrno, target_ulong val) static int read_hstatus(CPURISCVState *env, int csrno, target_ulong *val) { *val = env->hstatus; +#ifdef TARGET_RISCV64 + /* We only support 64-bit VSXL */ + *val = set_field(*val, HSTATUS_VSXL, 2); +#endif return 0; } static int write_hstatus(CPURISCVState *env, int csrno, target_ulong val) { env->hstatus = val; +#ifdef TARGET_RISCV64 + if (get_field(val, HSTATUS_VSXL) != 2) { + qemu_log_mask(LOG_UNIMP, "QEMU does not support mixed HSXLEN options."); + } +#endif return 0; } -- 2.28.0