From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:44227) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cftFo-0002S5-W4 for qemu-devel@nongnu.org; Mon, 20 Feb 2017 14:04:09 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cftFo-00068C-C5 for qemu-devel@nongnu.org; Mon, 20 Feb 2017 14:04:09 -0500 From: Peter Maydell Date: Mon, 20 Feb 2017 18:41:09 +0000 Message-Id: <1487616072-9226-2-git-send-email-peter.maydell@linaro.org> In-Reply-To: <1487616072-9226-1-git-send-email-peter.maydell@linaro.org> References: <1487616072-9226-1-git-send-email-peter.maydell@linaro.org> Subject: [Qemu-devel] [PATCH 1/4] arm: HVC and SMC encodings don't exist for M profile List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-arm@nongnu.org, qemu-devel@nongnu.org Cc: patches@linaro.org, =?UTF-8?q?Alex=20Benn=C3=A9e?= , Michael Davidsaver M profile doesn't have the HVC or SMC encodings, so make them always UNDEF rather than generating calls to helper functions that assume A/R profile. Signed-off-by: Peter Maydell --- target/arm/translate.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/target/arm/translate.c b/target/arm/translate.c index 9fded03..895b399 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -10365,6 +10365,9 @@ static int disas_thumb2_insn(CPUARMState *env, DisasContext *s, uint16_t insn_hw goto illegal_op; if (insn & (1 << 26)) { + if (arm_dc_feature(s, ARM_FEATURE_M)) { + goto illegal_op; + } if (!(insn & (1 << 20))) { /* Hypervisor call (v7) */ int imm16 = extract32(insn, 16, 4) << 12 -- 2.7.4