From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:40779) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b669I-0000HQ-0w for qemu-devel@nongnu.org; Thu, 26 May 2016 21:01:12 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1b669D-0004Fb-TE for qemu-devel@nongnu.org; Thu, 26 May 2016 21:01:11 -0400 Received: from mail-qg0-x241.google.com ([2607:f8b0:400d:c04::241]:34100) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b669D-0004FQ-Or for qemu-devel@nongnu.org; Thu, 26 May 2016 21:01:07 -0400 Received: by mail-qg0-x241.google.com with SMTP id e35so2496294qge.1 for ; Thu, 26 May 2016 18:01:07 -0700 (PDT) Sender: Richard Henderson From: Richard Henderson Date: Thu, 26 May 2016 18:00:14 -0700 Message-Id: <1464310815-13554-12-git-send-email-rth@twiddle.net> In-Reply-To: <1464310815-13554-1-git-send-email-rth@twiddle.net> References: <1464310815-13554-1-git-send-email-rth@twiddle.net> Subject: [Qemu-devel] [PATCH v2 11/12] target-arm: Add frontend support for fence gen in ARMv7 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: bobby.prani@gmail.com 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 -- 2.5.5