From patchwork Tue Sep 21 20:18:53 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: WANG Xuerui X-Patchwork-Id: 12508721 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4F1C3C433FE for ; Tue, 21 Sep 2021 20:30:59 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 02BF161156 for ; Tue, 21 Sep 2021 20:30:58 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 02BF161156 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=xen0n.name Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=nongnu.org Received: from localhost ([::1]:44292 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mSmPq-00078n-7R for qemu-devel@archiver.kernel.org; Tue, 21 Sep 2021 16:30:58 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:45298) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mSmEu-00042V-Sk for qemu-devel@nongnu.org; Tue, 21 Sep 2021 16:19:41 -0400 Received: from [115.28.160.31] (port=55996 helo=mailbox.box.xen0n.name) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mSmEs-0000TR-62 for qemu-devel@nongnu.org; Tue, 21 Sep 2021 16:19:40 -0400 Received: from ld50.lan (unknown [101.88.29.172]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by mailbox.box.xen0n.name (Postfix) with ESMTPSA id BB33A633F9; Wed, 22 Sep 2021 04:19:26 +0800 (CST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=xen0n.name; s=mail; t=1632255566; bh=Yvi6U5xfPVBMOuKiTizP8vG2z8RYFfCDVEiumVOVg6c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=e9yG09pLLF693wjGTDzxAJUbz5qBDEZIUssw1fQiqTdni1h4Szc/L9A3tT35TyJh7 RVOU1p8VPWo4zNtuPFfab2cko9S/lty4ryqoucQxrX4aWdH4XnugZRRYrUw5l9ow4+ wkg4pbhNJmL6lh+F7hqGUcjJ4nBgR8TXn52gNo3U= From: WANG Xuerui To: qemu-devel@nongnu.org Subject: [PATCH v2 08/30] tcg/loongarch64: Implement the memory barrier op Date: Wed, 22 Sep 2021 04:18:53 +0800 Message-Id: <20210921201915.601245-9-git@xen0n.name> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20210921201915.601245-1-git@xen0n.name> References: <20210921201915.601245-1-git@xen0n.name> MIME-Version: 1.0 X-Host-Lookup-Failed: Reverse DNS lookup failed for 115.28.160.31 (failed) Received-SPF: pass client-ip=115.28.160.31; envelope-from=git@xen0n.name; helo=mailbox.box.xen0n.name X-Spam_score_int: -12 X-Spam_score: -1.3 X-Spam_bar: - X-Spam_report: (-1.3 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: WANG Xuerui Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: WANG Xuerui Reviewed-by: Richard Henderson --- tcg/loongarch64/tcg-target.c.inc | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/tcg/loongarch64/tcg-target.c.inc b/tcg/loongarch64/tcg-target.c.inc index 69e882ba5d..338b772732 100644 --- a/tcg/loongarch64/tcg-target.c.inc +++ b/tcg/loongarch64/tcg-target.c.inc @@ -234,3 +234,35 @@ static bool patch_reloc(tcg_insn_unit *code_ptr, int type, g_assert_not_reached(); } } + +#include "tcg-insn-defs.c.inc" + +/* + * TCG intrinsics + */ + +static void tcg_out_mb(TCGContext *s, TCGArg a0) +{ + /* Baseline LoongArch only has the full barrier, unfortunately. */ + tcg_out_opc_dbar(s, 0); +} + +/* + * Entry-points + */ + +static void tcg_out_op(TCGContext *s, TCGOpcode opc, + const TCGArg args[TCG_MAX_OP_ARGS], + const int const_args[TCG_MAX_OP_ARGS]) +{ + TCGArg a0 = args[0]; + + switch (opc) { + case INDEX_op_mb: + tcg_out_mb(s, a0); + break; + + default: + g_assert_not_reached(); + } +}