From patchwork Thu Jul 14 20:20:23 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pranith Kumar X-Patchwork-Id: 648593 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3rr6wQ5Vddz9sC4 for ; Fri, 15 Jul 2016 06:38:14 +1000 (AEST) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b=krUURf0J; dkim-atps=neutral Received: from localhost ([::1]:56844 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bNnOe-0005Mp-Hb for incoming@patchwork.ozlabs.org; Thu, 14 Jul 2016 16:38:12 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:48019) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bNn83-0000Es-4o for qemu-devel@nongnu.org; Thu, 14 Jul 2016 16:21:06 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bNn81-0001e4-6Y for qemu-devel@nongnu.org; Thu, 14 Jul 2016 16:21:02 -0400 Received: from mail-yw0-x242.google.com ([2607:f8b0:4002:c05::242]:34721) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bNn7y-0001cr-Tf; Thu, 14 Jul 2016 16:20:58 -0400 Received: by mail-yw0-x242.google.com with SMTP id l125so5542943ywb.1; Thu, 14 Jul 2016 13:20:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=MBq+AsdNjrmy9HJlSEq3KgJj1kUjeGxzK6ICXpx5d4A=; b=krUURf0JGgKA++kdLXhyv5hpGd2Y2oWMfi03VOYJ66AQyLDuRbU0qb9fpnRVY/WYf+ ZMcMWSHkTxF2Zw3+tDcvnY+AfRUi85awIXq0XnHRYmXDe7YSOop97Mo8fH29xySihPQp 7zYMdAqBY9SQ25pIz4CvD/38OM6E8zyY/KcYp42ajq4yipWIvJOrg/4FM2YGtJSvrsdv yh2K8t/R9eiGgVYZQKM/ElftuRyuzj3+n1I/MS56IkK+r9N+ZrQx6yV9X4q14kLAFrFr 6bmvGQNjxg+nLzr8NE0jt+tdnTqhIlgN//9UoWqdZ4mqQemHxri6+41Wux5qyt6Y6UaD 8tqQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=MBq+AsdNjrmy9HJlSEq3KgJj1kUjeGxzK6ICXpx5d4A=; b=YZ0tyZMO5YEb94e/TUbDj9VTb7Vh0aqe41ejSoUWIknuR1GRLSLVBkL/0v6POzlItG jiQL8Kc+c0KTowMsm4jKSYnL1I2xb11yz4MB8623BgJuadrisWl6AqQb7rbVPsEezm2i IRwHMM9RAHL2DCvR4wXUXY7+To3HRQmhfsYDpyHD6+hg3zvVidXeTE5m/rGPQ6GQMzXb 3zN3obrNqGtqkMF4WwVzdw4g5DAW3BjuBWxLw09WFehhz3CRypGtfxKUaq1AXRTaS2d6 hK1L7YI/Zo681Kt7sqhJFQYRISsjuDjplTHnAIgnThgB+57x0YPR1uOo3EmZOvGHHZN7 fSUQ== X-Gm-Message-State: ALyK8tLiYDopXh3JY3yF42io7cxPMn+kV2Il9aU6wyhtJsrkiO9RRC2Z5VvOgsj/gZGxFQ== X-Received: by 10.129.101.137 with SMTP id z131mr12931301ywb.88.1468527658673; Thu, 14 Jul 2016 13:20:58 -0700 (PDT) Received: from evgadesktop.attlocal.net (108-232-152-155.lightspeed.tukrga.sbcglobal.net. [108.232.152.155]) by smtp.gmail.com with ESMTPSA id v68sm1634604ywg.31.2016.07.14.13.20.57 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 14 Jul 2016 13:20:58 -0700 (PDT) From: Pranith Kumar To: Peter Maydell , qemu-arm@nongnu.org (open list:ARM), qemu-devel@nongnu.org (open list:All patches CC here) Date: Thu, 14 Jul 2016 16:20:23 -0400 Message-Id: <20160714202026.9727-12-bobby.prani@gmail.com> X-Mailer: git-send-email 2.9.0 In-Reply-To: <20160714202026.9727-1-bobby.prani@gmail.com> References: <20160714202026.9727-1-bobby.prani@gmail.com> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2607:f8b0:4002:c05::242 Subject: [Qemu-devel] [PATCH v4 11/14] target-arm: Generate fences in ARMv7 frontend X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: serge.fdrv@gmail.com, pbonzini@redhat.com, alex.bennee@linaro.org, qemu-devel@nongnu.org, rth@twiddle.net Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Pranith Kumar --- target-arm/translate.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/target-arm/translate.c b/target-arm/translate.c index bd5d5cb..693d4bc 100644 --- a/target-arm/translate.c +++ b/target-arm/translate.c @@ -8083,7 +8083,7 @@ static void disas_arm_insn(DisasContext *s, unsigned int insn) case 4: /* dsb */ case 5: /* dmb */ ARCH(7); - /* We don't emulate caches so these are a no-op. */ + tcg_gen_mb(TCG_MO_ALL | TCG_BAR_SC); return; case 6: /* isb */ /* We need to break the TB after this insn to execute @@ -10432,7 +10432,7 @@ static int disas_thumb2_insn(CPUARMState *env, DisasContext *s, uint16_t insn_hw break; case 4: /* dsb */ case 5: /* dmb */ - /* These execute as NOPs. */ + tcg_gen_mb(TCG_MO_ALL | TCG_BAR_SC); break; case 6: /* isb */ /* We need to break the TB after this insn