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X-Received-From: 216.71.154.42 Subject: [Qemu-devel] [PATCH v1 20/27] target/riscv: Disable guest FP support based on backgrond status 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, palmer@sifive.com, alistair.francis@wdc.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 bsstatus have enabled floating point support. Signed-off-by: Alistair Francis --- 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 d1f73396e4..b009049cc4 100644 --- a/target/riscv/cpu_helper.c +++ b/target/riscv/cpu_helper.c @@ -193,6 +193,9 @@ void riscv_cpu_set_force_hs_excep(CPURISCVState *env, b= ool enable) bool riscv_cpu_fp_enabled(CPURISCVState *env) { if (env->mstatus & MSTATUS_FS) { + if (riscv_cpu_virt_enabled(env) && !(env->bsstatus & MSTATUS_FS)) { + return false; + } return true; } =20 --=20 2.21.0