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Thu, 26 May 2016 18:01:07 -0700 (PDT) Received: from bigtime.com ([172.56.17.0]) by smtp.gmail.com with ESMTPSA id 77sm1872030qgn.29.2016.05.26.18.01.05 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 26 May 2016 18:01:06 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Date: Thu, 26 May 2016 18:00:14 -0700 Message-Id: <1464310815-13554-12-git-send-email-rth@twiddle.net> X-Mailer: git-send-email 2.5.5 In-Reply-To: <1464310815-13554-1-git-send-email-rth@twiddle.net> References: <1464310815-13554-1-git-send-email-rth@twiddle.net> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2607:f8b0:400d:c04::241 Subject: [Qemu-devel] [PATCH v2 11/12] target-arm: Add frontend support for fence gen in ARMv7 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: bobby.prani@gmail.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Pranith Kumar Message-Id: <20160524171856.1000-4-bobby.prani@gmail.com> Signed-off-by: Richard Henderson --- target-arm/translate.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/target-arm/translate.c b/target-arm/translate.c index e525f1e..0f71800 100644 --- a/target-arm/translate.c +++ b/target-arm/translate.c @@ -8052,9 +8052,11 @@ static void disas_arm_insn(DisasContext *s, unsigned int insn) gen_clrex(s); return; case 4: /* dsb */ + ARCH(7); + return; case 5: /* dmb */ ARCH(7); - /* We don't emulate caches so these are a no-op. */ + tcg_gen_fence(); return; case 6: /* isb */ /* We need to break the TB after this insn to execute @@ -10402,8 +10404,9 @@ static int disas_thumb2_insn(CPUARMState *env, DisasContext *s, uint16_t insn_hw gen_clrex(s); break; case 4: /* dsb */ + break; case 5: /* dmb */ - /* These execute as NOPs. */ + tcg_gen_fence(); break; case 6: /* isb */ /* We need to break the TB after this insn