From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:38497) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XXQhZ-0003qM-Du for qemu-devel@nongnu.org; Fri, 26 Sep 2014 04:16:34 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XXQhU-0004vu-6r for qemu-devel@nongnu.org; Fri, 26 Sep 2014 04:16:29 -0400 Received: from mail-yk0-x233.google.com ([2607:f8b0:4002:c07::233]:52111) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XXQhT-0004uW-Su for qemu-devel@nongnu.org; Fri, 26 Sep 2014 04:16:24 -0400 Received: by mail-yk0-f179.google.com with SMTP id 142so3675412ykq.24 for ; Fri, 26 Sep 2014 01:16:18 -0700 (PDT) From: "Edgar E. Iglesias" Date: Fri, 26 Sep 2014 18:08:28 +1000 Message-Id: <1411718914-6608-6-git-send-email-edgar.iglesias@gmail.com> In-Reply-To: <1411718914-6608-1-git-send-email-edgar.iglesias@gmail.com> References: <1411718914-6608-1-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 v7 05/11] 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, serge.fdrv@gmail.com, agraf@suse.de, 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 a5e8e0d..7f8a410 100644 --- a/target-arm/cpu.h +++ b/target-arm/cpu.h @@ -1174,6 +1174,13 @@ 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