From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:52437) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bhk8C-0000Wa-9Z for qemu-devel@nongnu.org; Wed, 07 Sep 2016 17:11:41 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bhk8B-0002nK-6f for qemu-devel@nongnu.org; Wed, 07 Sep 2016 17:11:40 -0400 Received: from mail-yw0-x241.google.com ([2607:f8b0:4002:c05::241]:34234) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bhk8B-0002nB-2z for qemu-devel@nongnu.org; Wed, 07 Sep 2016 17:11:39 -0400 Received: by mail-yw0-x241.google.com with SMTP id j1so1172305ywb.1 for ; Wed, 07 Sep 2016 14:11:39 -0700 (PDT) Sender: Richard Henderson From: Richard Henderson Date: Wed, 7 Sep 2016 14:10:43 -0700 Message-Id: <1473282648-23487-14-git-send-email-rth@twiddle.net> In-Reply-To: <1473282648-23487-1-git-send-email-rth@twiddle.net> References: <1473282648-23487-1-git-send-email-rth@twiddle.net> Subject: [Qemu-devel] [PULL 13/18] tcg/tci: Add support for fence List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: peter.maydell@linaro.org, Pranith Kumar , Stefan Weil From: Pranith Kumar Cc: Stefan Weil Signed-off-by: Pranith Kumar Message-Id: <20160714202026.9727-11-bobby.prani@gmail.com> Signed-off-by: Richard Henderson --- tcg/tci/tcg-target.inc.c | 3 +++ tci.c | 4 ++++ 2 files changed, 7 insertions(+) diff --git a/tcg/tci/tcg-target.inc.c b/tcg/tci/tcg-target.inc.c index 3c47ea7..9dbf4d5 100644 --- a/tcg/tci/tcg-target.inc.c +++ b/tcg/tci/tcg-target.inc.c @@ -255,6 +255,7 @@ static const TCGTargetOpDef tcg_target_op_defs[] = { { INDEX_op_bswap32_i32, { R, R } }, #endif + { INDEX_op_mb, { } }, { -1 }, }; @@ -800,6 +801,8 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, const TCGArg *args, } tcg_out_i(s, *args++); break; + case INDEX_op_mb: + break; case INDEX_op_mov_i32: /* Always emitted via tcg_out_mov. */ case INDEX_op_mov_i64: case INDEX_op_movi_i32: /* Always emitted via tcg_out_movi. */ diff --git a/tci.c b/tci.c index b488c0d..4bdc645 100644 --- a/tci.c +++ b/tci.c @@ -1236,6 +1236,10 @@ uintptr_t tcg_qemu_tb_exec(CPUArchState *env, uint8_t *tb_ptr) tcg_abort(); } break; + case INDEX_op_mb: + /* Ensure ordering for all kinds */ + smp_mb(); + break; default: TODO(); break; -- 2.7.4