From patchwork Thu Sep 23 16:59:17 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: WANG Xuerui X-Patchwork-Id: 12513335 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=-16.6 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 3BC83C433F5 for ; Thu, 23 Sep 2021 17:06:21 +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 E4D7261090 for ; Thu, 23 Sep 2021 17:06:20 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org E4D7261090 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]:56564 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mTSAu-0005zY-4U for qemu-devel@archiver.kernel.org; Thu, 23 Sep 2021 13:06:20 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:40314) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mTS56-0005iX-5X for qemu-devel@nongnu.org; Thu, 23 Sep 2021 13:00:21 -0400 Received: from [115.28.160.31] (port=54364 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 1mTS54-0005Ri-Cx for qemu-devel@nongnu.org; Thu, 23 Sep 2021 13:00:19 -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 1E12160AF4; Fri, 24 Sep 2021 01:00:15 +0800 (CST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=xen0n.name; s=mail; t=1632416415; bh=t371MArDB52NetQeB3P4758vn7oHdDsb0TV3IUlUodY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=wFiqtMI89agxTmdOr6N7hIoMtYDuz7+ip9kfft32fLZDv/BanQWSnCOJg1h5179fZ uPAIDYB3uA/5+DZTZydcyXtODJoLWqrOIbpDp+o7srPaeJE+EANChVeCOQgRb4t+1z 6MBia9v3yqj3nH+Dl6LIhF0npZvlJQnz6OM2+fOQ= From: WANG Xuerui To: qemu-devel@nongnu.org Subject: [PATCH v4 08/30] tcg/loongarch64: Implement the memory barrier op Date: Fri, 24 Sep 2021 00:59:17 +0800 Message-Id: <20210923165939.729081-9-git@xen0n.name> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20210923165939.729081-1-git@xen0n.name> References: <20210923165939.729081-1-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: 6 X-Spam_score: 0.6 X-Spam_bar: / X-Spam_report: (0.6 / 5.0 requ) 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 , Peter Maydell , Richard Henderson , =?utf-8?q?Philippe_Mathie?= =?utf-8?q?u-Daud=C3=A9?= , Laurent Vivier 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 6967f143e9..8f7c556c37 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(); + } +}