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target/arm: Enforce FP access to FPCR/FPSR

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Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20180211205848.4568-3-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2018-02-15 18:29:36 +00:00 • committed by Peter Maydell
parent 5d1e699988
commit fe03d45f9e
3 changed files with 25 additions and 19 deletions
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3
target/arm/translate-a64.c
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@ -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();