From nobody Mon Feb 9 12:25:45 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=reject dis=none) header.from=linux.vnet.ibm.com ARC-Seal: i=1; a=rsa-sha256; t=1735874540; cv=none; d=zohomail.com; s=zohoarc; b=Scm192hXpttfKAqz+TZ4V2gkulLWn0TyP0D08Y1S2tYQRghYPNNkCbn7C/bZq87DYR8CuMw5Awc6htWlM2VlNoSvYK6ih8mNXZGqJHfbnAIVHUJJcKbD0kR/1p6m4f+rHzJyzdFSOGmIkHns3Ox+9njjBvcXf5TljQ84gctkU6E= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1735874540; h=Content-Transfer-Encoding:Cc:Cc: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; bh=q1F8OYaLSp9KDQ66j1disqY3LdCXZYXBSU/8GC6tKV4=; b=AW5CLiY8MoZ/NRtdG2L1IQUN0Yv7QlMLQSR5/dPvqte6MuoNIF/Q5W1RIxugLiHL5hd7lNO1RLNgT3UcirrE3YYr8XzbihLq8Qb3p9F0D0gASz98yuaa51E8h5WEAYJyiOEkidbEfcvxuFm4nXUca5D9Xng2eJrNltXMKS2y3eM= 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=reject dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1735874540341548.6615397421285; Thu, 2 Jan 2025 19:22:20 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tTYFp-0005ao-PD; Thu, 02 Jan 2025 22:21:41 -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 1tTYFm-0005Za-VY; Thu, 02 Jan 2025 22:21:38 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tTYFi-0001gy-BC; Thu, 02 Jan 2025 22:21:38 -0500 Received: from pps.filterd (m0360083.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 502Mvlnj015976; Fri, 3 Jan 2025 03:21:31 GMT Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 43wk9bck2r-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 03 Jan 2025 03:21:31 +0000 (GMT) Received: from m0360083.ppops.net (m0360083.ppops.net [127.0.0.1]) by pps.reinject (8.18.0.8/8.18.0.8) with ESMTP id 5033LVxE012838; Fri, 3 Jan 2025 03:21:31 GMT Received: from ppma22.wdc07v.mail.ibm.com (5c.69.3da9.ip4.static.sl-reverse.com [169.61.105.92]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 43wk9bck2n-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 03 Jan 2025 03:21:30 +0000 (GMT) Received: from pps.filterd (ppma22.wdc07v.mail.ibm.com [127.0.0.1]) by ppma22.wdc07v.mail.ibm.com (8.18.1.2/8.18.1.2) with ESMTP id 502NnjAn014028; Fri, 3 Jan 2025 03:21:29 GMT Received: from smtprelay05.wdc07v.mail.ibm.com ([172.16.1.72]) by ppma22.wdc07v.mail.ibm.com (PPS) with ESMTPS id 43tv1ycres-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 03 Jan 2025 03:21:29 +0000 Received: from smtpav06.dal12v.mail.ibm.com (smtpav06.dal12v.mail.ibm.com [10.241.53.105]) by smtprelay05.wdc07v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 5033LSuc24445526 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 3 Jan 2025 03:21:28 GMT Received: from smtpav06.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 4956B58059; Fri, 3 Jan 2025 03:21:28 +0000 (GMT) Received: from smtpav06.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 20AAA58055; Fri, 3 Jan 2025 03:21:28 +0000 (GMT) Received: from gfwa829.aus.stglabs.ibm.com (unknown [9.3.84.19]) by smtpav06.dal12v.mail.ibm.com (Postfix) with ESMTP; Fri, 3 Jan 2025 03:21:28 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=cc :content-transfer-encoding:date:from:in-reply-to:message-id :mime-version:references:subject:to; s=pp1; bh=q1F8OYaLSp9KDQ66j 1disqY3LdCXZYXBSU/8GC6tKV4=; b=gAv83XEFS3RMP51D2XPiaNTqb4W+qGUL1 Pda6uTaTEb4/53j5wLqG5pEdiLZOpNjsb+lunpi6kBhDiTAuemYQdyPXUMlTjcj0 quzYtYc13va8RS1i9zdYf6ZUCX03zUD9wQx7w3/J/uFmSe3iHWkVJD1COZasbb8f nMdNmVtyNorz50qo3lekLAZ6it6xP3vSzgOjZJ6Ap/+tW1QvFxv6907Q+3mPh0LI PUKv3sxi6wt0WILSL9InxU2e3zL66wAvDITVmPuFkaWrHTkJVLeyL/veEImdbzKM mUXfpVO2XzVTTcrSXuuqueJyq98xVBqNtK6HBdVrbkCz1pH3EwCig== From: dan tan To: qemu-devel@nongnu.org Cc: qemu-ppc@nongnu.org, npiggin@gmail.com, danielhb413@gmail.com, harshpb@linux.ibm.com, dantan@linux.ibm.com Subject: [PATCH v2 2/2] ppc/pnv: Add new PowerPC Special Purpose Registers (RWMR) Date: Thu, 2 Jan 2025 21:21:12 -0600 Message-Id: <20250103032112.18247-3-dantan@linux.vnet.ibm.com> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250103032112.18247-1-dantan@linux.vnet.ibm.com> References: <20250103032112.18247-1-dantan@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-GUID: e-5K3WhmaWFK4Zwnit1gNt8slfC1LRZa X-Proofpoint-ORIG-GUID: WJNa2Sd7f097pujLlAEMGO_9bfnob1g9 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1051,Hydra:6.0.680,FMLib:17.12.62.30 definitions=2024-10-15_01,2024-10-11_01,2024-09-30_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 phishscore=0 spamscore=0 adultscore=0 mlxscore=0 clxscore=1015 mlxlogscore=929 lowpriorityscore=0 priorityscore=1501 malwarescore=0 bulkscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2411120000 definitions=main-2501030023 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: none client-ip=148.163.156.1; envelope-from=dantan@linux.vnet.ibm.com; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -26 X-Spam_score: -2.7 X-Spam_bar: -- X-Spam_report: (-2.7 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_NONE=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: 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 @ibm.com) X-ZM-MESSAGEID: 1735874541165116600 Content-Type: text/plain; charset="utf-8" Register RWMR - Region Weighted Mode Register for privileged access in Power9 and Power10 It controls what the SPURR register produces. Specs: - Power9: https://ibm.ent.box.com/s/tmklq90ze7aj8f4n32er1mu3sy9u8k3k - Power10: https://files.openpower.foundation/s/EgCy7C43p2NSRfR Signed-off-by: dan tan --- Ver 2 summary: - corrected the previous definition as ITV1 - spec reference: https://ibm.ent.box.com/s/tmklq90ze7aj8f4n32er1mu3sy9u8k3k (Power9) - it appears that part of the previous upstream submission SPRs (SPR_POWER_MMCR3, SPR_POWER_SIER2, SPR_POWER_SIER3) are already in the current master. Therefore, removed those from this request. --- target/ppc/cpu.h | 1 + target/ppc/cpu_init.c | 5 +++++ 2 files changed, 6 insertions(+) diff --git a/target/ppc/cpu.h b/target/ppc/cpu.h index 6d074e67dc..fefc741672 100644 --- a/target/ppc/cpu.h +++ b/target/ppc/cpu.h @@ -2099,6 +2099,7 @@ void ppc_compat_add_property(Object *obj, const char = *name, #define SPR_440_INV3 (0x373) #define SPR_440_ITV0 (0x374) #define SPR_440_ITV1 (0x375) +#define SPR_RWMR (0x375) #define SPR_440_ITV2 (0x376) #define SPR_440_ITV3 (0x377) #define SPR_440_CCR1 (0x378) diff --git a/target/ppc/cpu_init.c b/target/ppc/cpu_init.c index 7844e16ea5..356eda7f93 100644 --- a/target/ppc/cpu_init.c +++ b/target/ppc/cpu_init.c @@ -5773,6 +5773,11 @@ static void register_power9_book4_sprs(CPUPPCState *= env) SPR_NOACCESS, SPR_NOACCESS, &spr_read_generic, &spr_write_generic, KVM_REG_PPC_WORT, 0); + spr_register_hv(env, SPR_RWMR, "RWMR", + SPR_NOACCESS, SPR_NOACCESS, + &spr_access_nop, &spr_write_generic, + &spr_access_nop, &spr_write_generic, + 0x00000000); #endif } =20 --=20 2.39.5