From nobody Fri Dec 19 04:26:35 2025 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@nongnu.org; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1651747109; cv=none; d=zohomail.com; s=zohoarc; b=oKblFR1uUqfwhzgBpJeU3+a4+Irmo8u7FlVbO8sNu2T2u03DWAydm6VG9cbMkUkzzUjtaJVWU++Qh3I7ZU88qcV6oqrSdcai5m93tjvjUMY2Z1/lPumiEpvEKL9JKEigPB9ya5dsDEvA99O9CIYorbsNpGdIHBVkg9nxvuOdzhg= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1651747109; h=Content-Transfer-Encoding:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=cBRWuGW1oEM07qzwDlQeqzeKAnOLvL3dCwuFE/tT94s=; b=WaGJs1PHHFI25VI3dHGXTL+bGuP4i3tFhOyDTGmrTL7gc9MKxnIaFZAi1puARylBYLX+vk+DRauAtgHfZIckpuZH3AEp8u3S4MEb+XSzoDW9+574lyNZTozp4ZJSJFzrKvSJwZ/FreF6FcqOV7xkjOTkuIjGO8iRjZky6SBG+ds= 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@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1651747109145167.7174292208142; Thu, 5 May 2022 03:38:29 -0700 (PDT) Received: from localhost ([::1]:49014 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nmYsN-0001pj-O6 for importer@patchew.org; Thu, 05 May 2022 06:38:27 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:38704) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nmXWp-0005Di-3N for qemu-devel@nongnu.org; Thu, 05 May 2022 05:12:07 -0400 Received: from mail-wm1-x329.google.com ([2a00:1450:4864:20::329]:52032) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1nmXWn-0003Hd-4F for qemu-devel@nongnu.org; Thu, 05 May 2022 05:12:06 -0400 Received: by mail-wm1-x329.google.com with SMTP id q20so2247239wmq.1 for ; Thu, 05 May 2022 02:12:04 -0700 (PDT) Received: from orth.archaic.org.uk (orth.archaic.org.uk. [2001:8b0:1d0::2]) by smtp.gmail.com with ESMTPSA id j14-20020adfe50e000000b0020c6a524fd5sm841612wrm.99.2022.05.05.02.12.03 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 05 May 2022 02:12:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=cBRWuGW1oEM07qzwDlQeqzeKAnOLvL3dCwuFE/tT94s=; b=RpQT4ZPj3XLPLQnLT5FHpfIFCL6CGVRBLwta0hR8EptMxLzkw1Wrkr1pLcY4O69KOU jpdZhJkLPxQXTiQ6uIHQ0dsZAYdCf96/lsUx5zVQE1pmrrUJYFAn7PJkHloUrg2cCNgn wtdS8mpxtdruydjRUoxBwlHOrZaB2dX4G2VAkpWluXFSquvlvJyop4kYzOddSGivXcvZ 65rb2BQQKh0UjOO7jXdEp+rXiqgiHzLlLDy6yZOg6tdjv83H+BPqLFz56MClDJXyoIVH v81VgVH1XW012ARh46qyQHX3grI4ud4eEfkRKu6auiJJ7B8LA6JbWcWMR/i/86hBntmq Gxog== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=cBRWuGW1oEM07qzwDlQeqzeKAnOLvL3dCwuFE/tT94s=; b=u3CILVkDmD0niJk8pwxwK535gckeJC3AURRBzyHV2FiWFTM5vZGKP6Wqb7OCAQl0li IkwZ2joy6yfudNd4H+8oxQUxd6ep61tqPGNF0dlxzhHTc3EuCNxyYlOYmaVL88PdGN/x iY/LR1RzmCBLslp+NLz3HtKdoGKYrtODjnNlz37eAjSsSlA9UkLOmbQuYEGyFATcHeEU fYQOrhjPsTwgAhoVMMSk9lXY/IHnt4E7emsYmHR25fkGXcE63a8iYDbpM4OCGkB/ZwQM u0fbSntz06aqsEwFJQmKmS5smtWf6N12zZpq03CeUhWRvlEEbJERBjszQsUTyeq5MGF+ 4j8g== X-Gm-Message-State: AOAM533uRFZDAzo1D+GOjshK113efmedP7qUHmsWeLNZUw++u1NDJ/nR sbcFNDKSNuqPEDcn88k3LoCSVqXEFE61fg== X-Google-Smtp-Source: ABdhPJy2GsRp7P+ytDA8et1hr84yKg+sQLX4EmkM1/rQnW27xeACfwUlqL+Grma+H+S2bSHHPLoiBQ== X-Received: by 2002:a05:600c:4e06:b0:394:56be:19c with SMTP id b6-20020a05600c4e0600b0039456be019cmr3532434wmq.168.1651741923791; Thu, 05 May 2022 02:12:03 -0700 (PDT) From: Peter Maydell To: qemu-devel@nongnu.org Subject: [PULL 15/23] target/arm: Consolidate cpreg updates in add_cpreg_to_hashtable Date: Thu, 5 May 2022 10:11:39 +0100 Message-Id: <20220505091147.2657652-16-peter.maydell@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220505091147.2657652-1-peter.maydell@linaro.org> References: <20220505091147.2657652-1-peter.maydell@linaro.org> 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@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::329; envelope-from=peter.maydell@linaro.org; helo=mail-wm1-x329.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 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, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham 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: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1651747110604100001 Content-Type: text/plain; charset="utf-8" From: Richard Henderson Put most of the value writeback to the same place, and improve the comment that goes with them. Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell Message-id: 20220501055028.646596-15-richard.henderson@linaro.org Signed-off-by: Peter Maydell --- target/arm/helper.c | 28 ++++++++++++---------------- 1 file changed, 12 insertions(+), 16 deletions(-) diff --git a/target/arm/helper.c b/target/arm/helper.c index cbc873e3e60..8ee96d5c042 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -8543,10 +8543,19 @@ static void add_cpreg_to_hashtable(ARMCPU *cpu, con= st ARMCPRegInfo *r, *r2 =3D *r; r2->name =3D memcpy(r2 + 1, name, name_len); =20 - /* Reset the secure state to the specific incoming state. This is - * necessary as the register may have been defined with both states. + /* + * Update fields to match the instantiation, overwiting wildcards + * such as CP_ANY, ARM_CP_STATE_BOTH, or ARM_CP_SECSTATE_BOTH. */ + r2->cp =3D cp; + r2->crm =3D crm; + r2->opc1 =3D opc1; + r2->opc2 =3D opc2; + r2->state =3D state; r2->secure =3D secstate; + if (opaque) { + r2->opaque =3D opaque; + } =20 if (r->bank_fieldoffsets[0] && r->bank_fieldoffsets[1]) { /* Register is banked (using both entries in array). @@ -8587,20 +8596,7 @@ static void add_cpreg_to_hashtable(ARMCPU *cpu, cons= t ARMCPRegInfo *r, #endif } } - if (opaque) { - r2->opaque =3D opaque; - } - /* reginfo passed to helpers is correct for the actual access, - * and is never ARM_CP_STATE_BOTH: - */ - r2->state =3D state; - /* Make sure reginfo passed to helpers for wildcarded regs - * has the correct crm/opc1/opc2 for this reg, not CP_ANY: - */ - r2->cp =3D cp; - r2->crm =3D crm; - r2->opc1 =3D opc1; - r2->opc2 =3D opc2; + /* By convention, for wildcarded registers only the first * entry is used for migration; the others are marked as * ALIAS so we don't try to transfer the register --=20 2.25.1