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x=1607451476; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=jH6mftcYVsmiZzVUefmvMW8CKVg0CbGP6k/6wNXTbNA=; b=GULrf7TSDHqitHNXg8EWzH1kGg7X5JYKHSRGqNGSwQXHQbR1uMELDJZq sFL453JIVvbr5fHqASCZmI4NjtDFStsrSoKTtxPUTwgCtNozzNhnzkm+j ufBtBdv9+m/+GTRQhO5GvmJd8PnLV1Rrzr0Mlk8a2Az2uE8H5kPMbyMnc q50ypdoy9VOv/vkbZ0bBBIfRzqw+XfLQ0ZDp6UHzRvYTAuMDZ+hoJr/15 ZiuZ8wL5HsqRz0oSPtUwcuBaYiZqLJrXe9T0FOTMCBvwDP+80HvgyghkA BXz3oNCEAQPBg7RjISyazURe5pCTRfwQKm7LSc5GYnQyd8Ght22P5Ry+b A==; IronPort-SDR: 9jYuiDGFKATtWVRqBKFf1vbuUjr5U4FOuBTxmMdyPE7wb5csadrykuzoCWqyfQhBGdchJlhW9W 5TdSy0Bz5IpK+4Xh1cBD+BTkLeMi0HDlpc5ozCtKx3CTJ4lsDyi3y2MDDQTfAXX2YaJ2J8/wcy nkjLUmViEK3mX1HCB8rg6rYyNpI/KFjZufDlfPq3EjFeqgmM5Fnhu6QNIF5K9B4FUr2CcSsj+f CeArLfr22YC6Cff2UOag+Xi8ocQn35emK1xI+Q8lk/PHCL2ISrAZcpCO9PhMJ0WZDIbXw9xv6D Qpo= X-IronPort-AV: E=Sophos;i="5.69,296,1571673600"; d="scan'208";a="226412019" IronPort-SDR: x4kQtJ9HoPGZdYhKi2pnBVcyHEcWSAoPApw8VAgWmNuxEZJdpW9uE8ID67HjIEPtNn7PFhVI2u Wam0pXCGZ0Se8aL51VO5EWC60OrqRjaJZC3OBDIe3Gu8S5n/6zn3TR7KyXGn3DttWA5eGQcsx0 Gt0f8lwL255ybq5515cU44nqT8jENYUdTez3+OfEZdBq1FdcRmvEaMfjfE8KES+JGRjjEXXq6H ZCv4u0CGXW/ww3GZQiKFe6dvvxjjN6PJ9WmSGAo6PYMX2N+wo+0eY1qnX3qoj7RqU4oEmm4gYC MexfeXbJP5qJCU3Bzf9VrBau IronPort-SDR: aL7kAptcZcvWVkaa/9g2BdXh9RKfJBJYNsk+ImJV8tvp016vLdZDmi9rYGdB9de0s0kZr8kNZt yp0ik3a2+n5YDEMdKQZ+T/o0/sUUXpAP26P/rkr5iVPK+wfmYS2j9R/I77kPFiO5pfIr19LxpR 6URJzMDBG0z5JvCG+gr0Gf8LLAaDx0LY6F5B8Zhy906ZTdzWBZk26+JM8ORBGZWljagWJUfxUg bgQREh5v/xVpRFgalXghlDjtWegOvV+EpEtnfvTzPNQzSMeDTr6YmBkZXXjT8Ag5skvJA1WTiw u+I= WDCIronportException: Internal From: Alistair Francis To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [PATCH v1 27/36] target/riscv: Disable guest FP support based on virtual status Date: Mon, 9 Dec 2019 10:11:51 -0800 Message-Id: <36e8fafd2d2e16a50820c6a27850a413a89d941b.1575914822.git.alistair.francis@wdc.com> X-Mailer: git-send-email 2.24.0 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: FreeBSD 9.x [fuzzy] X-Received-From: 68.232.143.124 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" When the Hypervisor extension is in use we only enable floating point support when both status and vsstatus have enabled floating point support. Signed-off-by: Alistair Francis Reviewed-by: Palmer Dabbelt --- target/riscv/cpu_helper.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/target/riscv/cpu_helper.c b/target/riscv/cpu_helper.c index 2c6d2bc3a3..2040fc0208 100644 --- a/target/riscv/cpu_helper.c +++ b/target/riscv/cpu_helper.c @@ -99,6 +99,9 @@ bool riscv_cpu_exec_interrupt(CPUState *cs, int interrupt= _request) bool riscv_cpu_fp_enabled(CPURISCVState *env) { if (*env->mstatus & MSTATUS_FS) { + if (riscv_cpu_virt_enabled(env) && !(env->vsstatus & MSTATUS_FS)) { + return false; + } return true; } =20 --=20 2.24.0