From mboxrd@z Thu Jan 1 00:00:00 1970 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=-10.0 required=3.0 tests=DATE_IN_FUTURE_06_12, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 36D6CC433DF for ; Mon, 29 Jun 2020 08:19:28 +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 0D61023370 for ; Mon, 29 Jun 2020 08:19:28 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0D61023370 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:56106 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jpp0h-00069K-9L for qemu-devel@archiver.kernel.org; Mon, 29 Jun 2020 04:19:27 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:50482) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jpoyp-0003Ww-QJ; Mon, 29 Jun 2020 04:17:31 -0400 Received: from mga14.intel.com ([192.55.52.115]:7699) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jpoyn-0002U0-4e; Mon, 29 Jun 2020 04:17:31 -0400 IronPort-SDR: f1l+pRlsHmkxIL22Oi6fNdEOGAJSm1WtEJgrdHTW+1MMtri0sHrFMO+zGofKWaSnz6pYInfWYd VoACTE78YXgg== X-IronPort-AV: E=McAfee;i="6000,8403,9666"; a="144988286" X-IronPort-AV: E=Sophos;i="5.75,294,1589266800"; d="scan'208";a="144988286" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Jun 2020 01:17:25 -0700 IronPort-SDR: XExOUvL2zfVNb/PL1BDUwtCQidazV9W6bUlYVtE6LvUG4/m0/mvoOekT7WBz7D8sBeulSN9QV3 CAPJe+y/sJSw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,294,1589266800"; d="scan'208";a="480702409" Received: from unknown (HELO localhost.localdomain.sh.intel.com) ([10.239.153.142]) by fmsmga005.fm.intel.com with ESMTP; 29 Jun 2020 01:17:25 -0700 From: Wentong Wu To: qemu-devel@nongnu.org Subject: [PATCH 3/3] target/nios2: Use gen_io_start around wrctl instruction Date: Mon, 29 Jun 2020 12:05:35 -0400 Message-Id: <20200629160535.3910-3-wentong.wu@intel.com> X-Mailer: git-send-email 2.21.3 In-Reply-To: <20200629160535.3910-1-wentong.wu@intel.com> References: <20200629160535.3910-1-wentong.wu@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=192.55.52.115; envelope-from=wentong.wu@intel.com; helo=mga14.intel.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/29 04:17:27 X-ACL-Warn: Detected OS = FreeBSD 9.x or newer [fuzzy] X-Spam_score_int: -49 X-Spam_score: -5.0 X-Spam_bar: ----- X-Spam_report: (-5.0 / 5.0 requ) BAYES_00=-1.9, DATE_IN_FUTURE_06_12=1.947, RCVD_IN_DNSWL_HI=-5, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN 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: qemu-trivial@nongnu.org, marex@denx.de, crwulff@gmail.com, Wentong Wu , peter.maydell@linaro.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" wrctl instruction on nios2 target will cause checking cpu interrupt but tcg_handle_interrupt() will call cpu_abort() if the CPU gets an interrupt while it's not in 'can do IO' state, so add gen_io_start around wrctl instruction. Also at the same time, end the onging TB with DISAS_UPDATE. Signed-off-by: Wentong Wu --- target/nios2/translate.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/target/nios2/translate.c b/target/nios2/translate.c index 83c10eb2..51347ada 100644 --- a/target/nios2/translate.c +++ b/target/nios2/translate.c @@ -32,6 +32,7 @@ #include "exec/cpu_ldst.h" #include "exec/translator.h" #include "qemu/qemu-print.h" +#include "exec/gen-icount.h" /* is_jmp field values */ #define DISAS_JUMP DISAS_TARGET_0 /* only pc was modified dynamically */ @@ -518,7 +519,11 @@ static void wrctl(DisasContext *dc, uint32_t code, uint32_t flags) /* If interrupts were enabled using WRCTL, trigger them. */ #if !defined(CONFIG_USER_ONLY) if ((instr.imm5 + CR_BASE) == CR_STATUS) { + if (tb_cflags(dc->tb) & CF_USE_ICOUNT) { + gen_io_start(); + } gen_helper_check_interrupts(dc->cpu_env); + dc->is_jmp = DISAS_UPDATE; } #endif } -- 2.21.3