From nobody Sun Apr 12 04:22:48 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@nongnu.org; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1771866404; cv=none; d=zohomail.com; s=zohoarc; b=UNJ5/CIvm+4TNGs3VDPRUCrC+ZbmQwUSahs0AbiUnYw5cu4Bkl5jcKFbrF3QdL5LvCL7P40rhGa7SSqA9AbprhVdCKidEmlG+EwalzB7tteHMfZ5fSp4OHMXErY2AHGy9WeYIcnqz/m9k6hG0D/UKzk+TdertI3Vd6BrrQN9pdo= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1771866404; h=Content-Transfer-Encoding:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To:Cc; bh=2coO5QjLP0oc9KsM/+Txuq5tlHPzzz+22aLdjZKCFt4=; b=bVTKlkunu7hAxboZ/rSW3megAQYq/VCvEnqW9D1GuSEx21jTxNeLu6Oy8K+PWiS82ST3pUrbIrGb0vC8E4JqsDg+KUCrSi9chlEcN83bpklZGNS/u/tcZEmbf9i+1/KNOcxYxw79Pep2vexa+Ns8R/BatAsUBPTfRup3OolFx1c= 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 177186640455081.39807444174596; Mon, 23 Feb 2026 09:06:44 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vuZKj-0002SE-9J; Mon, 23 Feb 2026 12:02:57 -0500 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 1vuZKh-0002QS-Rq for qemu-devel@nongnu.org; Mon, 23 Feb 2026 12:02:55 -0500 Received: from mail-wm1-x32b.google.com ([2a00:1450:4864:20::32b]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1vuZKg-0000HK-9Z for qemu-devel@nongnu.org; Mon, 23 Feb 2026 12:02:55 -0500 Received: by mail-wm1-x32b.google.com with SMTP id 5b1f17b1804b1-48371119eacso52939055e9.2 for ; Mon, 23 Feb 2026 09:02:53 -0800 (PST) Received: from lanath.. (wildly.archaic.org.uk. [81.2.115.145]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-483a9b21ceasm200155625e9.0.2026.02.23.09.02.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 23 Feb 2026 09:02:51 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1771866173; x=1772470973; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc:subject:date:message-id :reply-to; bh=2coO5QjLP0oc9KsM/+Txuq5tlHPzzz+22aLdjZKCFt4=; b=QwW8NC2Q5ypGAhzcYos7AtqSq7YNYH17WPTX5XN1lECE+Ft9sX2D2W902hOwGWrGHm v8FDek4Nile60ixjoyPOEF/x8osVcUBkWyR17pq/6c2jrUovA+iOMjLRn4HTeewhyr1D O/1YHuoTnTQhoZAHbFqy9KVQDCmafApqFHSX0aTM2c7FPUPKYsT9FUoDfzvvrOT1gBQu ehUA3UXXrMBBo2wRjwolfZj4+gqK2hzIaIIMVPlogiXr5z+VNHJHsokiIOsvQIFh4fFx pVXJFxFguU+0Qt4/ehe9x5jIeXAdRdYNc3qfxWh3uW4vYI/EcrA7ndxzKh08x0khJS9P qpNw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1771866173; x=1772470973; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-gg:x-gm-message-state:from:to :cc:subject:date:message-id:reply-to; bh=2coO5QjLP0oc9KsM/+Txuq5tlHPzzz+22aLdjZKCFt4=; b=ILMHsK/LrsS44AcxX507yUWqrf9MEbikw3/93zyl4kfnfvi1ZgALF8iDNTGJKmPkEG Y0+1ywOG5EGM4sojispZyaU9jfXiC4IUF4ElgQTqBAcgMe/V2Rt22u6afjV+79pkAxd5 iCAJfRlGNY8UpIjNlTERXMKKYmwOggoKrdG+EdgWHUQ/qZwGmlYVUxcvXXa4DY2fGvqF SyhGW3HwMz26Q1c063gjDRgujDpnIcjs8SE95ocMgXKycHgfzBrZdaeo7OAb1WY14amt Zc8B5ucjbGTmWxsD11odqO6yFlv9oAtJJ1odwiSJnx/0GlFPwEoMdnBYrHRSi5RAIhlN eVRg== X-Forwarded-Encrypted: i=1; AJvYcCUCSPIPSgCyFXri9SNuCBVxiZU8AndjNSxfy2/04pWLh/QPERzESu6me61zc4V/YcGx3LP25Ky9VADJ@nongnu.org X-Gm-Message-State: AOJu0YzttRExnbu3vojiyF3GM4uU1h5v5ia6aPoweoDVjMEdk+vA8V9m frY2Lrn2sHjLhXSxbzS1HzRJeEMf7f2jjk4b6H9FBAF+NuE9AzHTfngfd7ePucMOPXrr+grMkEZ l4X7s X-Gm-Gg: AZuq6aKNb4MJ1QVGFHUXDnObZNbvugsVHEV/cGKzMmlnU54n1MwXH4ianqVSplT8gtP YeYOjXtxoK9X1/F+J6k89nFv82/WwNdTlR5IL6hN9+eTam0h9WooWSdV9IcprcdjmqH2utNQcL3 oVZsk204KoCbyf2KBcb+i80pCC1kWY08jyW2nexTvW62bRD0dBvXrRfCXL3yH1bi+31SPwgiGAj 5ZDtwAXF/maFFt+7Tyeo/mkfjaoYlnFTiWJ5cRnDZRsxXF5EmU12lOzAYp/IG4+eVMMwnpsxYjh yf9LvPBOmkTIqyDCjecMNSl+khAi9BxubxxVOjhc4+FGXHqUkGoj5N8dOA40+KDQTFqWemDUl7h wD9mKHtgHauv9V7Ar657uAPVazudwqRcVjQQkm5ZmNB+S+2FnzCAj//4prFsNhdtR3xcZ/wAiSo cx7Pqu4bWhwDBSNPzJ9nu87VFIvyuy/9YEthw9cpQX8yIfU9kj61M2mbwyTLd2Y0Qw+CmqX8WYh Au9AgA007jllXH1pti/vhobAt/s4KIAnc7irVoFNw== X-Received: by 2002:a05:600c:c166:b0:483:8e67:e696 with SMTP id 5b1f17b1804b1-483a96088eamr162999475e9.15.1771866172677; Mon, 23 Feb 2026 09:02:52 -0800 (PST) From: Peter Maydell To: qemu-arm@nongnu.org, qemu-devel@nongnu.org Subject: [PATCH 34/65] target/arm: GICv5 cpuif: Implement ICC_IDR0_EL1 Date: Mon, 23 Feb 2026 17:01:41 +0000 Message-ID: <20260223170212.441276-35-peter.maydell@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260223170212.441276-1-peter.maydell@linaro.org> References: <20260223170212.441276-1-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::32b; envelope-from=peter.maydell@linaro.org; helo=mail-wm1-x32b.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=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: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1771866405306158500 Content-Type: text/plain; charset="utf-8" ICC_IDR0_EL1 is an identification register; we can implement this as a simple constant value. Signed-off-by: Peter Maydell Reviewed-by: Jonathan Cameron --- target/arm/tcg/gicv5-cpuif.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/target/arm/tcg/gicv5-cpuif.c b/target/arm/tcg/gicv5-cpuif.c index c591e249b1..36d1c196a8 100644 --- a/target/arm/tcg/gicv5-cpuif.c +++ b/target/arm/tcg/gicv5-cpuif.c @@ -38,6 +38,18 @@ FIELD(GIC_CDHM, HM, 32, 1) FIELD(GIC_CDRCFG, ID, 0, 24) FIELD(GIC_CDRCFG, TYPE, 29, 3) =20 +FIELD(ICC_IDR0_EL1, ID_BITS, 0, 4) +FIELD(ICC_IDR0_EL1, PRI_BITS, 4, 4) +FIELD(ICC_IDR0_EL1, GCIE_LEGACY, 8, 4) + +/* + * We implement 24 bits of interrupt ID, the mandated 5 bits of priority, + * and no legacy GICv3.3 vcpu interface (yet) + */ +#define QEMU_ICC_IDR0 \ + ((4 << R_ICC_IDR0_EL1_PRI_BITS_SHIFT) | \ + (1 << R_ICC_IDR0_EL1_ID_BITS_SHIFT)) + static GICv5Common *gicv5_get_gic(CPUARMState *env) { return env->gicv5state; @@ -220,6 +232,11 @@ static const ARMCPRegInfo gicv5_cpuif_reginfo[] =3D { .access =3D PL1_W, .type =3D ARM_CP_IO | ARM_CP_NO_RAW, .writefn =3D gic_cdhm_write, }, + { .name =3D "ICC_IDR0_EL1", .state =3D ARM_CP_STATE_AA64, + .opc0 =3D 3, .opc1 =3D 0, .crn =3D 12, .crm =3D 10, .opc2 =3D 2, + .access =3D PL1_R, .type =3D ARM_CP_CONST | ARM_CP_NO_RAW, + .resetvalue =3D QEMU_ICC_IDR0, + }, { .name =3D "ICC_ICSR_EL1", .state =3D ARM_CP_STATE_AA64, .opc0 =3D 3, .opc1 =3D 0, .crn =3D 12, .crm =3D 10, .opc2 =3D 4, .access =3D PL1_RW, .type =3D ARM_CP_NO_RAW, --=20 2.43.0