From nobody Mon Nov 17 13:48:03 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=ispras.ru ARC-Seal: i=1; a=rsa-sha256; t=1604567107; cv=none; d=zohomail.com; s=zohoarc; b=U8H1X2YqoclnlHVRyKTb0kLz+4OGTMKE6x54qr0xO9I1owdKNV/gjhQqGkulkaHncky3A+qaB1686SzyGsPfej0sQJ+DIMNtJ+DWm1WXDSLrxlzTawmZCt4K+/PQDsnKyo2R8JShxSIBuxzmuuYjkZN+t42v2BO6l6R82YBoLpw= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1604567107; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Sender:Subject:To; bh=SSpX4x17U6AT4LLsZrZIwGS15CoAaQtMUMkufNxmAXQ=; b=b5ojZu6fgpFgGKoxt4RWfsCpbpOiu8TrBnuVcUFB3+4woxE8mveZlVwViMp4xVYelA6aP8bcMZHyUGWcvCO+GS7HYQ7Wx9fS8T/uZg/1ybrDXwDhogLXG9LWpu/LU9WNGFGvs54Oas5RVArx2Pz372fAnhBHiIljlT2uEUdkOCI= ARC-Authentication-Results: i=1; mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1604567107156665.8238207026005; Thu, 5 Nov 2020 01:05:07 -0800 (PST) Received: from localhost ([::1]:33164 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kabCb-0005J9-OB for importer@patchew.org; Thu, 05 Nov 2020 04:05:05 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:35664) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kabBk-0004ss-QW for qemu-devel@nongnu.org; Thu, 05 Nov 2020 04:04:12 -0500 Received: from mail.ispras.ru ([83.149.199.84]:37300) by eggs.gnu.org with esmtps (TLS1.2:DHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kabBi-0006of-Ew for qemu-devel@nongnu.org; Thu, 05 Nov 2020 04:04:12 -0500 Received: from [127.0.1.1] (unknown [62.118.151.149]) by mail.ispras.ru (Postfix) with ESMTPSA id 3769A40A1DD8; Thu, 5 Nov 2020 09:04:07 +0000 (UTC) Subject: [PATCH] target/alpha: fix icount handling for timer instructions From: Pavel Dovgalyuk To: qemu-devel@nongnu.org Date: Thu, 05 Nov 2020 12:04:06 +0300 Message-ID: <160456704692.16573.15665952713514406897.stgit@pasha-ThinkPad-X280> User-Agent: StGit/0.23 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=83.149.199.84; envelope-from=pavel.dovgalyuk@ispras.ru; helo=mail.ispras.ru X-detected-operating-system: by eggs.gnu.org: First seen = 2020/11/05 04:04:07 X-ACL-Warn: Detected OS = Linux 3.11 and newer [fuzzy] X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham 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: richard.henderson@linaro.org, pavel.dovgalyuk@ispras.ru Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" This patch handles icount mode for timer read/write instructions, because it is required to call gen_io_start in such cases. Signed-off-by: Pavel Dovgalyuk Reviewed-by: Richard Henderson --- target/alpha/translate.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/target/alpha/translate.c b/target/alpha/translate.c index 36be602179..b534b0579d 100644 --- a/target/alpha/translate.c +++ b/target/alpha/translate.c @@ -1330,7 +1330,7 @@ static DisasJumpType gen_mfpr(DisasContext *ctx, TCGv= va, int regno) case 249: /* VMTIME */ helper =3D gen_helper_get_vmtime; do_helper: - if (icount_enabled()) { + if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) { gen_io_start(); helper(va); return DISAS_PC_STALE; @@ -1366,6 +1366,7 @@ static DisasJumpType gen_mfpr(DisasContext *ctx, TCGv= va, int regno) static DisasJumpType gen_mtpr(DisasContext *ctx, TCGv vb, int regno) { int data; + DisasJumpType ret =3D DISAS_NEXT; =20 switch (regno) { case 255: @@ -1395,6 +1396,10 @@ static DisasJumpType gen_mtpr(DisasContext *ctx, TCG= v vb, int regno) =20 case 251: /* ALARM */ + if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) { + gen_io_start(); + ret =3D DISAS_PC_STALE; + } gen_helper_set_alarm(cpu_env, vb); break; =20 @@ -1434,7 +1439,7 @@ static DisasJumpType gen_mtpr(DisasContext *ctx, TCGv= vb, int regno) break; } =20 - return DISAS_NEXT; + return ret; } #endif /* !USER_ONLY*/ =20