From fe03d45f9e9baa89e8c4da50de771767d5d48990 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Thu, 15 Feb 2018 18:29:36 +0000 Subject: target/arm: Enforce FP access to FPCR/FPSR Signed-off-by: Richard Henderson Message-id: 20180211205848.4568-3-richard.henderson@linaro.org Reviewed-by: Peter Maydell Signed-off-by: Peter Maydell --- target/arm/translate-a64.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'target/arm/translate-a64.c') diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c index fb1a4cb532..89f50558a7 100644 --- a/target/arm/translate-a64.c +++ b/target/arm/translate-a64.c @@ -1631,6 +1631,9 @@ static void handle_sys(DisasContext *s, uint32_t insn, bool isread, default: break; } + if ((ri->type & ARM_CP_FPU) && !fp_access_check(s)) { + return; + } if ((tb_cflags(s->base.tb) & CF_USE_ICOUNT) && (ri->type & ARM_CP_IO)) { gen_io_start(); -- cgit v1.2.1