From patchwork Thu Mar 31 14:58:10 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Leandro Lupori X-Patchwork-Id: 12797290 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 5EB49C433EF for ; Thu, 31 Mar 2022 15:35:40 +0000 (UTC) Received: from localhost ([::1]:58944 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nZwpn-0005sQ-6d for qemu-devel@archiver.kernel.org; Thu, 31 Mar 2022 11:35:39 -0400 Received: from eggs.gnu.org ([209.51.188.92]:56364) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nZwfl-0003rW-0e; Thu, 31 Mar 2022 11:25:17 -0400 Received: from [187.72.171.209] (port=51585 helo=outlook.eldorado.org.br) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nZwfd-0004ne-Kk; Thu, 31 Mar 2022 11:25:15 -0400 Received: from p9ibm ([10.10.71.235]) by outlook.eldorado.org.br over TLS secured channel with Microsoft SMTPSVC(8.5.9600.16384); Thu, 31 Mar 2022 12:24:02 -0300 Received: from eldorado.org.br (unknown [10.10.70.45]) by p9ibm (Postfix) with ESMTP id 31F18800F41; Thu, 31 Mar 2022 11:58:43 -0300 (-03) From: Leandro Lupori To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Subject: [RFC PATCH v2 2/5] ppc/pnv: Activate support for the Processor Attention instruction Date: Thu, 31 Mar 2022 11:58:10 -0300 Message-Id: <20220331145813.21719-3-leandro.lupori@eldorado.org.br> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220331145813.21719-1-leandro.lupori@eldorado.org.br> References: <20220331145813.21719-1-leandro.lupori@eldorado.org.br> MIME-Version: 1.0 X-OriginalArrivalTime: 31 Mar 2022 15:24:02.0687 (UTC) FILETIME=[5A2AA8F0:01D84513] X-Host-Lookup-Failed: Reverse DNS lookup failed for 187.72.171.209 (failed) Received-SPF: pass client-ip=187.72.171.209; envelope-from=leandro.lupori@eldorado.org.br; helo=outlook.eldorado.org.br X-Spam_score_int: -4 X-Spam_score: -0.5 X-Spam_bar: / X-Spam_report: (-0.5 / 5.0 requ) BAYES_00=-1.9, PDS_HP_HELO_NORDNS=0.659, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no 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: , Cc: Leandro Lupori , danielhb413@gmail.com, richard.henderson@linaro.org, groug@kaod.org, clg@kaod.org, pbonzini@redhat.com, alex.bennee@linaro.org, david@gibson.dropbear.id.au Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Cédric Le Goater Signed-off-by: Cédric Le Goater Signed-off-by: Leandro Lupori --- hw/ppc/pnv_core.c | 6 ++++++ include/hw/ppc/pnv_core.h | 1 + 2 files changed, 7 insertions(+) diff --git a/hw/ppc/pnv_core.c b/hw/ppc/pnv_core.c index 19e8eb885f..eb59b44a6c 100644 --- a/hw/ppc/pnv_core.c +++ b/hw/ppc/pnv_core.c @@ -46,6 +46,7 @@ static void pnv_core_cpu_reset(PnvCore *pc, PowerPCCPU *cpu) CPUState *cs = CPU(cpu); CPUPPCState *env = &cpu->env; PnvChipClass *pcc = PNV_CHIP_GET_CLASS(pc->chip); + PnvCoreClass *pcorec = PNV_CORE_GET_CLASS(pc); cpu_reset(cs); @@ -57,6 +58,8 @@ static void pnv_core_cpu_reset(PnvCore *pc, PowerPCCPU *cpu) env->nip = 0x10; env->msr |= MSR_HVB; /* Hypervisor mode */ env->spr[SPR_HRMOR] = pc->hrmor; + env->spr[SPR_HID0] |= pcorec->attn; + hreg_compute_hflags(env); pcc->intc_reset(pc->chip, cpu); @@ -300,6 +303,7 @@ static void pnv_core_power8_class_init(ObjectClass *oc, void *data) PnvCoreClass *pcc = PNV_CORE_CLASS(oc); pcc->xscom_ops = &pnv_core_power8_xscom_ops; + pcc->attn = HID0_ATTN; } static void pnv_core_power9_class_init(ObjectClass *oc, void *data) @@ -307,6 +311,7 @@ static void pnv_core_power9_class_init(ObjectClass *oc, void *data) PnvCoreClass *pcc = PNV_CORE_CLASS(oc); pcc->xscom_ops = &pnv_core_power9_xscom_ops; + pcc->attn = HID0_POWER9_ATTN; } static void pnv_core_power10_class_init(ObjectClass *oc, void *data) @@ -315,6 +320,7 @@ static void pnv_core_power10_class_init(ObjectClass *oc, void *data) /* TODO: Use the P9 XSCOMs for now on P10 */ pcc->xscom_ops = &pnv_core_power9_xscom_ops; + pcc->attn = HID0_POWER9_ATTN; } static void pnv_core_class_init(ObjectClass *oc, void *data) diff --git a/include/hw/ppc/pnv_core.h b/include/hw/ppc/pnv_core.h index c22eab2e1f..04e1fec1f3 100644 --- a/include/hw/ppc/pnv_core.h +++ b/include/hw/ppc/pnv_core.h @@ -47,6 +47,7 @@ struct PnvCoreClass { DeviceClass parent_class; const MemoryRegionOps *xscom_ops; + uint64_t attn; }; #define PNV_CORE_TYPE_SUFFIX "-" TYPE_PNV_CORE