From nobody Tue Feb 10 13:37:03 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; 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=linaro.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1625616171726689.684479895706; Tue, 6 Jul 2021 17:02:51 -0700 (PDT) Received: from localhost ([::1]:50470 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1m0v1e-0003ys-Th for importer@patchew.org; Tue, 06 Jul 2021 20:02:50 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:53188) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1m0up6-0001Kb-CF for qemu-devel@nongnu.org; Tue, 06 Jul 2021 19:49:52 -0400 Received: from mail-pj1-x102d.google.com ([2607:f8b0:4864:20::102d]:41684) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1m0uoz-0006dx-DD for qemu-devel@nongnu.org; Tue, 06 Jul 2021 19:49:52 -0400 Received: by mail-pj1-x102d.google.com with SMTP id oj10-20020a17090b4d8ab0290172f77377ebso507980pjb.0 for ; Tue, 06 Jul 2021 16:49:44 -0700 (PDT) Received: from localhost.localdomain ([71.212.149.176]) by smtp.gmail.com with ESMTPSA id b3sm18058114pfi.179.2021.07.06.16.49.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 06 Jul 2021 16:49:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=uYCxAUoRWyRn/9euH4vCsN2ms/pTKei5OwvPABaSm8o=; b=Q8w551VA/ZasYQxd8/aaaxJx19ojVZdG2AMt5TU2qrs0u2VyYWY2q3hLbs1454pO5C Ut1NW76rbF2EKQ8FYJM2pCf4725Uz20UoUM3wOXS9cVoTjcBzDjV72rXYvR3mvkeafGH e0EOAU57YP0oDYvbu6SxZPpkDb+7lxXOfMGUOnmiO0/qllZYm6JIayWnoA+Ac8VBK8LG pXPIeGIV0QANw2OuIHAnMPsysewTzqDQxeRwLp6faMM64PYgNW6MJ6zmZD6RvcMpAxOt qV7aRcCt86+So0LqCl+MEYeEruv+QBDwVVSruu2FaTltEAjusxcO5H5FlZrtNsX7/8WB LomA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=uYCxAUoRWyRn/9euH4vCsN2ms/pTKei5OwvPABaSm8o=; b=ML8FLkpinhfKRkQMoBAOg3od5ll00Q7EkB/OO/o8CpfLgH+EarsaNfhRD9u0Luz5Va RmLbRIlG25EorFXQROf19UNHfzmBf7Zfao7S5Mpry4bjaoO3fDKrBk+KLNpttU9ecnXs 4xKSfxDNtNJ8QBnhWeL6PErSvvnycQgqCnU+0q9DKW3aUQtB+rH/tzw6tkynOqbaATTQ IBVs2r32rf/BUTTVr8yF+re3vUdgHOSHjZjaFbDkEo3WphzODG9mU0FgERM7jdc3WI1C IvaNEUajWGsmKWY+06GBoq62RfkfCXWkB+q93A+A+h22y+Ex/1hHybyuvBZvZ2Npt7lt GoKg== X-Gm-Message-State: AOAM531iSiQN/F0QOcK2f2RDmJwp8OyC6qUbnHj0PRT3vyuFp2MOW2N6 RO13LwWtazrK7bJKSmplSCcqGdCHv+2gyA== X-Google-Smtp-Source: ABdhPJzh/oExuiyy2KRjQgE8MmO928qEzS04C6zF9R9ygC3Rr413PnrwzzqRy5Or8lXPkkUfZPwdhg== X-Received: by 2002:a17:902:e0d4:b029:129:acad:4552 with SMTP id e20-20020a170902e0d4b0290129acad4552mr4661349pla.55.1625615383487; Tue, 06 Jul 2021 16:49:43 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 15/36] target/arm: Add isar_feature_aa32_a32 Date: Tue, 6 Jul 2021 16:49:11 -0700 Message-Id: <20210706234932.356913-16-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210706234932.356913-1-richard.henderson@linaro.org> References: <20210706234932.356913-1-richard.henderson@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=2607:f8b0:4864:20::102d; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x102d.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 autolearn=unavailable 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: qemu-arm@nongnu.org, alex.bennee@linaro.org, laurent@vivier.eu Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1625616172856100001 Content-Type: text/plain; charset="utf-8" Add a probe for whether A32 mode is supported. Fill in the field for the pre-v5 cpus. Cc: qemu-arm@nongnu.org Signed-off-by: Richard Henderson --- target/arm/cpu.h | 5 +++++ target/arm/cpu_tcg.c | 7 +++++++ 2 files changed, 12 insertions(+) diff --git a/target/arm/cpu.h b/target/arm/cpu.h index be9a4dceae..33f7ce9bc5 100644 --- a/target/arm/cpu.h +++ b/target/arm/cpu.h @@ -3802,6 +3802,11 @@ static inline bool isar_feature_aa32_i8mm(const ARMI= SARegisters *id) return FIELD_EX32(id->id_isar6, ID_ISAR6, I8MM) !=3D 0; } =20 +static inline bool isar_feature_aa32_a32(const ARMISARegisters *id) +{ + return FIELD_EX32(id->id_pfr0, ID_PFR0, STATE0) !=3D 0; +} + static inline bool isar_feature_aa32_ras(const ARMISARegisters *id) { return FIELD_EX32(id->id_pfr0, ID_PFR0, RAS) !=3D 0; diff --git a/target/arm/cpu_tcg.c b/target/arm/cpu_tcg.c index d2d97115ea..980f62f35d 100644 --- a/target/arm/cpu_tcg.c +++ b/target/arm/cpu_tcg.c @@ -73,6 +73,8 @@ static void arm926_initfn(Object *obj) cpu->isar.mvfr0 =3D FIELD_DP32(cpu->isar.mvfr0, MVFR0, FPSHVEC, 1); cpu->isar.mvfr0 =3D FIELD_DP32(cpu->isar.mvfr0, MVFR0, FPSP, 1); cpu->isar.mvfr0 =3D FIELD_DP32(cpu->isar.mvfr0, MVFR0, FPDP, 1); + /* Similarly, we need to set STATE0 for A32 support. */ + cpu->isar.id_pfr0 =3D FIELD_DP32(cpu->isar.id_pfr0, ID_PFR0, STATE0, 1= ); } =20 static void arm946_initfn(Object *obj) @@ -86,6 +88,9 @@ static void arm946_initfn(Object *obj) cpu->midr =3D 0x41059461; cpu->ctr =3D 0x0f004006; cpu->reset_sctlr =3D 0x00000078; + + /* We need to set STATE0 for A32 support. */ + cpu->isar.id_pfr0 =3D FIELD_DP32(cpu->isar.id_pfr0, ID_PFR0, STATE0, 1= ); } =20 static void arm1026_initfn(Object *obj) @@ -115,6 +120,8 @@ static void arm1026_initfn(Object *obj) cpu->isar.mvfr0 =3D FIELD_DP32(cpu->isar.mvfr0, MVFR0, FPSHVEC, 1); cpu->isar.mvfr0 =3D FIELD_DP32(cpu->isar.mvfr0, MVFR0, FPSP, 1); cpu->isar.mvfr0 =3D FIELD_DP32(cpu->isar.mvfr0, MVFR0, FPDP, 1); + /* Similarly, we need to set STATE0 for A32 support. */ + cpu->isar.id_pfr0 =3D FIELD_DP32(cpu->isar.id_pfr0, ID_PFR0, STATE0, 1= ); =20 { /* The 1026 had an IFAR at c6,c0,0,1 rather than the ARMv6 c6,c0,0= ,2 */ --=20 2.25.1