On Fri, 31 Jan 2020 17:02:44 PST (-0800), Alistair Francis wrote:
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 <alistair.fran...@wdc.com> --- 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 e7728cb0ca..827a38324c 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->mstatus_hs & MSTATUS_FS)) { + return false; + } return true; }
Reviewed-by: Palmer Dabbelt <palmerdabb...@google.com>
