From 70b68bb058e2f3281ba0e245ca404f264cfc547b Mon Sep 17 00:00:00 2001 From: Bin Lu Date: Wed, 4 Dec 2019 16:28:16 +0800 Subject: Add a floating test case for Arm64 Signed-off-by: Bin Lu --- pkg/sentry/platform/kvm/testutil/testutil_arm64.s | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/pkg/sentry/platform/kvm/testutil/testutil_arm64.s b/pkg/sentry/platform/kvm/testutil/testutil_arm64.s index 2cd28b2d2..0bebee852 100644 --- a/pkg/sentry/platform/kvm/testutil/testutil_arm64.s +++ b/pkg/sentry/platform/kvm/testutil/testutil_arm64.s @@ -50,6 +50,21 @@ TEXT ·SpinLoop(SB),NOSPLIT,$0 start: B start +TEXT ·FloatingPointWorks(SB),NOSPLIT,$0-8 + NO_LOCAL_POINTERS + FMOVD $(9.9), F0 + MOVD $SYS_GETPID, R8 // getpid + SVC + FMOVD $(9.9), F1 + FCMPD F0, F1 + BNE isNaN + MOVD $1, R0 + MOVD R0, ret+0(FP) + RET +isNaN: + MOVD $0, ret+0(FP) + RET + // MVN: bitwise logical NOT // This case simulates an application that modified R0-R30. #define TWIDDLE_REGS() \ -- cgit v1.2.3