From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:38331) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XJJWu-0004pG-GQ for qemu-devel@nongnu.org; Mon, 18 Aug 2014 05:47:13 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XJJWp-0007N9-Mm for qemu-devel@nongnu.org; Mon, 18 Aug 2014 05:47:08 -0400 Received: from mail-pa0-x230.google.com ([2607:f8b0:400e:c03::230]:35991) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XJJWp-0007N5-G8 for qemu-devel@nongnu.org; Mon, 18 Aug 2014 05:47:03 -0400 Received: by mail-pa0-f48.google.com with SMTP id et14so7368365pad.21 for ; Mon, 18 Aug 2014 02:46:59 -0700 (PDT) From: "Edgar E. Iglesias" Date: Mon, 18 Aug 2014 19:40:25 +1000 Message-Id: <1408354830-1143-6-git-send-email-edgar.iglesias@gmail.com> In-Reply-To: <1408354830-1143-1-git-send-email-edgar.iglesias@gmail.com> References: <1408354830-1143-1-git-send-email-edgar.iglesias@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Subject: [Qemu-devel] [PATCH v5 05/10] target-arm: Don't take interrupts targeting lower ELs List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org, peter.maydell@linaro.org Cc: rob.herring@linaro.org, peter.crosthwaite@xilinx.com, aggelerf@ethz.ch, agraf@suse.de, blauwirbel@gmail.com, greg.bellows@linaro.org, pbonzini@redhat.com, alex.bennee@linaro.org, christoffer.dall@linaro.org, rth@twiddle.net From: "Edgar E. Iglesias" Reviewed-by: Alex Bennée Reviewed-by: Greg Bellows Reviewed-by: Peter Maydell Signed-off-by: Edgar E. Iglesias --- target-arm/cpu.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/target-arm/cpu.h b/target-arm/cpu.h index ffcfb10..dd39642 100644 --- a/target-arm/cpu.h +++ b/target-arm/cpu.h @@ -1149,6 +1149,13 @@ bool write_cpustate_to_list(ARMCPU *cpu); static inline bool arm_excp_unmasked(CPUState *cs, unsigned int excp_idx) { CPUARMState *env = cs->env_ptr; + unsigned int cur_el = arm_current_pl(env); + unsigned int target_el = arm_excp_target_el(cs, excp_idx); + + /* Don't take exceptions if they target a lower EL. */ + if (cur_el > target_el) { + return false; + } switch (excp_idx) { case EXCP_FIQ: -- 1.9.1