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IronPort-SDR: C1IQafCCJ+OzWEVIeUNoldkIrl36xGaUCYMGswk8BzI9ThxpuW4mT9fS4CN2N/iII9cvG+MHAO 4HNDGsRamvjz7iSSCwmDmm/op9TFQmpYi4Baul9BWBbUaawBHKGD5lm1oy6r7fG1ELucU8BNQz RuvKTyjMfQHb0YE9aJ7ebws6r/L1t9ntEr4Sl6t5lN5CuGrWAozKUCeGA73MsgdgcW4R5BQwUO jeGK/jTRtc2kjRXIKHdKSfxKoP+n5fqMzNYcrMVIz4cLkDk8E0AAnwiU8n5NVv4DlLjOqqgPnG wEA= X-IronPort-AV: E=Sophos;i="5.73,320,1583164800"; d="scan'208";a="136193257" IronPort-SDR: d85r4kf8PeT7Idsi3TSw3B1dGd2fyirqpnMfaCl9mVcXmjWATHFDOd//hL8edyHwFdnbg6xMLK 5mC+uptuq2znu7U7uXZbbE/mCm966l4aA= IronPort-SDR: iHyN+6Yzcr4y1ZMX4U5nsGVzg24h7K4CvQxcVlnbiDABBqTmKd1yU253Z2UlaUlpgnzUzxXIQF qjNMwDhFN2AA== WDCIronportException: Internal From: Alistair Francis To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [PATCH v1 13/15] target/riscv: Only support a single VSXL length Date: Sun, 26 Apr 2020 09:19:48 -0700 Message-Id: <23c98b0c5a3394ce5a98331069383cdb0a4d095f.1587917657.git.alistair.francis@wdc.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=216.71.154.42; envelope-from=prvs=378a396a1=alistair.francis@wdc.com; helo=esa4.hgst.iphmx.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/04/26 12:27:21 X-ACL-Warn: Detected OS = FreeBSD 9.x or newer [fuzzy] X-Received-From: 216.71.154.42 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: alistair.francis@wdc.com, palmer@dabbelt.com, alistair23@gmail.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Signed-off-by: Alistair Francis --- target/riscv/csr.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/target/riscv/csr.c b/target/riscv/csr.c index 6b6080592a..438d0a61ee 100644 --- a/target/riscv/csr.c +++ b/target/riscv/csr.c @@ -854,12 +854,21 @@ static int write_satp(CPURISCVState *env, int csrno, = target_ulong val) static int read_hstatus(CPURISCVState *env, int csrno, target_ulong *val) { *val =3D env->hstatus; +#ifdef TARGET_RISCV64 + /* We only support 64-bit VSXL */ + *val =3D set_field(*val, HSTATUS_VSXL, 2); +#endif return 0; } =20 static int write_hstatus(CPURISCVState *env, int csrno, target_ulong val) { env->hstatus =3D val; +#ifdef TARGET_RISCV64 + if (get_field(val, HSTATUS_VSXL) !=3D 2) { + qemu_log_mask(LOG_UNIMP, "QEMU does not support mixed HSXLEN optio= ns."); + } +#endif return 0; } =20 --=20 2.26.2