From nobody Sat Feb 7 04:02:10 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org+importer=patchew.org@nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1667285284; cv=none; d=zohomail.com; s=zohoarc; b=YvhZNnT66VjDCjtdTJET9Td37OFixgGLUHp3aL1ESjBZyLhWT0Er1EVsJMD0KN9TuW/VfsXTrfTOi0okcCxl0CAlmK34FX2qKjFXQzFkAJi7H6/+udowE3RG0cW7fx/BnvjWKfFnA9HM1pm1HMavlziJS8OuVsKVsf2+uslH1D8= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1667285284; h=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=yTr2buqxaYr8UkugLXntG6akq32XV/ilPeT9xCMuxpw=; b=TYnVFXPKNVHTPgJ0fp5h2tk2VyBN83eUhCCf+GP/5nkZgIr5h7X4xWwUVqGCbvwlC7DUgmxT6kgZTaRx2v1a6cFsWecK1B3PT76mrsHCfwoLC74SlHQtncIIlvIyfk77PymgGTvHuyu2DGiQUNEl44VzlZ+fJnBYg5iIvt5AxYM= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1667285284565400.9085994314138; Mon, 31 Oct 2022 23:48:04 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1opl2r-00024w-AP; Tue, 01 Nov 2022 02:46:45 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1opl2U-000222-Ua for qemu-devel@nongnu.org; Tue, 01 Nov 2022 02:46:24 -0400 Received: from mail-pg1-x52a.google.com ([2607:f8b0:4864:20::52a]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1opl2K-0001Ga-2Y for qemu-devel@nongnu.org; Tue, 01 Nov 2022 02:46:22 -0400 Received: by mail-pg1-x52a.google.com with SMTP id 20so12671973pgc.5 for ; Mon, 31 Oct 2022 23:46:10 -0700 (PDT) Received: from ake-x260.hq.igel.co.jp (napt.igel.co.jp. [219.106.231.132]) by smtp.gmail.com with ESMTPSA id d12-20020a170902654c00b00176acd80f69sm5500949pln.102.2022.10.31.23.46.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 31 Oct 2022 23:46:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=igel-co-jp.20210112.gappssmtp.com; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=yTr2buqxaYr8UkugLXntG6akq32XV/ilPeT9xCMuxpw=; b=ou7TABLPFWRKyvkYtQBzU2IDR2zykLaiXgLU6X2VH6iSvaSkm66748P3BWAE4fiL8I /sd3EfxLCSRjii+EYbDFPNwkArw7oJ6LaIVQwD8Lwnj8ik7m02bpniCIzGB0vqQi543q S10BXKlGTSwIAYgfkMS/7OrlpMTJeYo0QsZ3BQYkvtIDMc94b5CS1LHYidxaXC/UONh/ v+7QpntrTzdAJJSEi8aJcxLGkdM4HIv5sqtzmnmjOvE4jnsZN7JIM/Vfdl3QGdHPVPyd nGbLZEFY6gmId2/+XRFRe0U+1SKFeTlWJBHgsqLL9CL3HX5FgN8tw+zsSqAG5macdXVi Sqjw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=yTr2buqxaYr8UkugLXntG6akq32XV/ilPeT9xCMuxpw=; b=qBd7F427crxPM2yZELItC3a9xo74Q3EaHQRobXOvI5kDZes2X5GzraWkXiBoyhm77j y/wGDpCZUdY97pZpbsNlJF5x0YA1zt20mJO6sQG5q1AF7S3UdpvVGSfXonh4B7Bgu3Fe P5MYAaOiUTaUiPEiHci92xPOAxE8rXH5CURGjeChuDaGi3mMEaZh+c0lSbO8dmZZpxHR 9+xUOvlzG+ZcVzW2DyQgzbqkh57VBki+QwqVPK72qBjK9rhzttiWTzYMbSBI3qaKOfTW nJSqbQy96g/2NLmMVVmDVmCgQoA0DeJYmvqyGmSO5JNNGb49fXd2qTAcsm5bjYy10HVl NczA== X-Gm-Message-State: ACrzQf2udJT+tJRLht2o7x8kmLvAD7C4sXd9ejNkBvK/5tPjvprtAm9b TFeEdplZ+MyF76YIdKLa1Zx3NfKaeWOF6Mlf X-Google-Smtp-Source: AMsMyM7fBPpw7kzt+WTAC1UArV4mflVab1cTWwLhhTwqcqP+AwzshBPzpW3edRAVBsQujN9CvPtvtg== X-Received: by 2002:a05:6a02:186:b0:439:49a3:479b with SMTP id bj6-20020a056a02018600b0043949a3479bmr16067493pgb.171.1667285169477; Mon, 31 Oct 2022 23:46:09 -0700 (PDT) From: Ake Koomsin To: qemu-devel@nongnu.org Cc: Richard Henderson , Ake Koomsin , Peter Maydell , qemu-arm@nongnu.org (open list:ARM TCG CPUs) Subject: [PATCH v3] target/arm: honor HCR_E2H and HCR_TGE in ats_write64() Date: Tue, 1 Nov 2022 15:42:53 +0900 Message-Id: <20221101064250.12444-1-ake@igel.co.jp> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 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+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::52a; envelope-from=ake@igel.co.jp; helo=mail-pg1-x52a.google.com 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, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Qemu-devel" Errors-To: qemu-devel-bounces+importer=patchew.org+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @igel-co-jp.20210112.gappssmtp.com) X-ZM-MESSAGEID: 1667285286592100003 Content-Type: text/plain; charset="utf-8" We need to check HCR_E2H and HCR_TGE to select the right MMU index for the correct translation regime. To check for EL2&0 translation regime: - For S1E0*, S1E1* and S12E* ops, check both HCR_E2H and HCR_TGE - For S1E2* ops, check only HCR_E2H Signed-off-by: Ake Koomsin Reviewed-by: Richard Henderson --- v3: - Avoid recomputing arm_hcr_el2_eff() as recommended by Richard H. - Use ':?' for more compact code as recommended by Richard H. v2: - Rebase with the latest upstream - It turns out that we need to check both HCR_E2H and HCR_TGE for S1E0*, S1E1* and S12E* address translation as well according to the Architecture Manual. - https://lists.gnu.org/archive/html/qemu-devel/2022-10/msg06084.html v1: https://lists.gnu.org/archive/html/qemu-devel/2022-10/msg02627.html target/arm/helper.c | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) diff --git a/target/arm/helper.c b/target/arm/helper.c index b070a20f1a..c17962372d 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -3501,19 +3501,22 @@ static void ats_write64(CPUARMState *env, const ARM= CPRegInfo *ri, MMUAccessType access_type =3D ri->opc2 & 1 ? MMU_DATA_STORE : MMU_DATA= _LOAD; ARMMMUIdx mmu_idx; int secure =3D arm_is_secure_below_el3(env); + uint64_t hcr_el2 =3D arm_hcr_el2_eff(env); + bool regime_e20 =3D (hcr_el2 & (HCR_E2H | HCR_TGE)) =3D=3D (HCR_E2H | = HCR_TGE); =20 switch (ri->opc2 & 6) { case 0: switch (ri->opc1) { case 0: /* AT S1E1R, AT S1E1W, AT S1E1RP, AT S1E1WP */ if (ri->crm =3D=3D 9 && (env->pstate & PSTATE_PAN)) { - mmu_idx =3D ARMMMUIdx_Stage1_E1_PAN; + mmu_idx =3D regime_e20 ? + ARMMMUIdx_E20_2_PAN : ARMMMUIdx_Stage1_E1_PAN; } else { - mmu_idx =3D ARMMMUIdx_Stage1_E1; + mmu_idx =3D regime_e20 ? ARMMMUIdx_E20_2 : ARMMMUIdx_Stage= 1_E1; } break; case 4: /* AT S1E2R, AT S1E2W */ - mmu_idx =3D ARMMMUIdx_E2; + mmu_idx =3D hcr_el2 & HCR_E2H ? ARMMMUIdx_E20_2 : ARMMMUIdx_E2; break; case 6: /* AT S1E3R, AT S1E3W */ mmu_idx =3D ARMMMUIdx_E3; @@ -3524,13 +3527,13 @@ static void ats_write64(CPUARMState *env, const ARM= CPRegInfo *ri, } break; case 2: /* AT S1E0R, AT S1E0W */ - mmu_idx =3D ARMMMUIdx_Stage1_E0; + mmu_idx =3D regime_e20 ? ARMMMUIdx_E20_0 : ARMMMUIdx_Stage1_E0; break; case 4: /* AT S12E1R, AT S12E1W */ - mmu_idx =3D ARMMMUIdx_E10_1; + mmu_idx =3D regime_e20 ? ARMMMUIdx_E20_2 : ARMMMUIdx_E10_1; break; case 6: /* AT S12E0R, AT S12E0W */ - mmu_idx =3D ARMMMUIdx_E10_0; + mmu_idx =3D regime_e20 ? ARMMMUIdx_E20_0 : ARMMMUIdx_E10_0; break; default: g_assert_not_reached(); --=20 2.25.1