From nobody Thu Dec 18 22:24:18 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 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 [208.118.235.17]) by mx.zohomail.com with SMTPS id 153442754362032.62935634928829; Thu, 16 Aug 2018 06:52:23 -0700 (PDT) Received: from localhost ([::1]:55738 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fqIhK-0003Q0-Et for importer@patchew.org; Thu, 16 Aug 2018 09:52:22 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:58968) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fqIQU-0000Jg-0v for qemu-devel@nongnu.org; Thu, 16 Aug 2018 09:34:58 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fqIQT-0001u3-45 for qemu-devel@nongnu.org; Thu, 16 Aug 2018 09:34:57 -0400 Received: from orth.archaic.org.uk ([2001:8b0:1d0::2]:44460) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fqIQS-0001sH-Kr for qemu-devel@nongnu.org; Thu, 16 Aug 2018 09:34:56 -0400 Received: from pm215 by orth.archaic.org.uk with local (Exim 4.89) (envelope-from ) id 1fqIQR-0008WP-Gg for qemu-devel@nongnu.org; Thu, 16 Aug 2018 14:34:55 +0100 From: Peter Maydell To: qemu-devel@nongnu.org Date: Thu, 16 Aug 2018 14:34:20 +0100 Message-Id: <20180816133438.17061-13-peter.maydell@linaro.org> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20180816133438.17061-1-peter.maydell@linaro.org> References: <20180816133438.17061-1-peter.maydell@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2001:8b0:1d0::2 Subject: [Qemu-devel] [PULL 12/30] target/arm: add "cortex-m0" CPU model X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 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: RDMRC_1 RSF_0 Z_629925259 SPT_0 From: Stefan Hajnoczi Define a "cortex-m0" ARMv6-M CPU model. Most of the register reset values set by other CPU models are not relevant for the cut-down ARMv6-M architecture. Signed-off-by: Stefan Hajnoczi Reviewed-by: Peter Maydell Reviewed-by: Philippe Mathieu-Daud=C3=A9 Message-id: 20180814162739.11814-3-stefanha@redhat.com Signed-off-by: Peter Maydell --- target/arm/cpu.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/target/arm/cpu.c b/target/arm/cpu.c index a4d46db13ae..258ba6dcaad 100644 --- a/target/arm/cpu.c +++ b/target/arm/cpu.c @@ -1255,6 +1255,15 @@ static void arm11mpcore_initfn(Object *obj) cpu->reset_auxcr =3D 1; } =20 +static void cortex_m0_initfn(Object *obj) +{ + ARMCPU *cpu =3D ARM_CPU(obj); + set_feature(&cpu->env, ARM_FEATURE_V6); + set_feature(&cpu->env, ARM_FEATURE_M); + + cpu->midr =3D 0x410cc200; +} + static void cortex_m3_initfn(Object *obj) { ARMCPU *cpu =3D ARM_CPU(obj); @@ -1845,6 +1854,8 @@ static const ARMCPUInfo arm_cpus[] =3D { { .name =3D "arm1136", .initfn =3D arm1136_initfn }, { .name =3D "arm1176", .initfn =3D arm1176_initfn }, { .name =3D "arm11mpcore", .initfn =3D arm11mpcore_initfn }, + { .name =3D "cortex-m0", .initfn =3D cortex_m0_initfn, + .class_init =3D arm_v7m_class_init }, { .name =3D "cortex-m3", .initfn =3D cortex_m3_initfn, .class_init =3D arm_v7m_class_init }, { .name =3D "cortex-m4", .initfn =3D cortex_m4_initfn, --=20 2.18.0