From nobody Fri Apr 3 03:04:52 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 ARC-Seal: i=1; a=rsa-sha256; t=1774442066; cv=none; d=zohomail.com; s=zohoarc; b=bM/K5F4Zs/Mf9bWMn0dBFO4wvMvdS/QGyUHNNRUKnIWmFYCOzslcvCWtpJXINjaStUgueMWinRW+Bb5QXeksQNFtwhoRI8MPncUN7OTEOZG61Tch6/85lW9CF0Q37ZnBm2dHuhpxezJQ/QbB3SG1Kp/MQNC30KZMBcyn6M/gJKQ= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1774442066; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=6vj+2ITOA7jN/XQQmNwNxDhcTvSlDUolwOSEZc+CPx4=; b=B1RVuEGYhJfVxBSj2UcSdD2Vhu2gbQVENsQiz2fMPD9WU4ti4WN8/+lIlpzVY1OmXCYp0/YDWWb3qR5lRSCGE0GK0We4xEou22AKT37wFDqBS+Xfc3D3EZoBsMYC0K6dOYHVd/6E5vcK92VTP4BluS2cOv13nuz5EpbpIeBItW4= 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 Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1774442066194629.8993399718179; Wed, 25 Mar 2026 05:34:26 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1w5NQK-0008T4-0E; Wed, 25 Mar 2026 08:33:24 -0400 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 1w5JN5-0000js-T7 for qemu-devel@nongnu.org; Wed, 25 Mar 2026 04:13:47 -0400 Received: from va-2-18.ptr.blmpb.com ([209.127.231.18]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1w5JN1-00063B-CI for qemu-devel@nongnu.org; Wed, 25 Mar 2026 04:13:47 -0400 Received: from G9WYR9K0VW.bytedance.net ([61.141.241.110]) by smtp.feishu.cn with ESMTPS; Wed, 25 Mar 2026 16:13:27 +0800 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; s=s1; d=picoheart-com.20200927.dkim.feishu.cn; t=1774426410; h=from:subject:mime-version:from:date:message-id:subject:to:cc: reply-to:content-type:mime-version:in-reply-to:message-id; bh=6vj+2ITOA7jN/XQQmNwNxDhcTvSlDUolwOSEZc+CPx4=; b=IzA9XWZWUx/fQCkveUtelu+z7lBRujzBDRETrIjHlZIso/Fcw3nu1O7uHGP17V97Z7J3cA /ZpxHvzXkXLHeZ18G7MjURo2LQXgaPaiHN7PbM4YQx2f5tP8mLryYbMv4BgyJhGm4BNwAd 8HqiOrbVNqWuyyCPox9fgoCfHrUB1O0y1yiA93ooMwatVmci0/m7luEiyitRBaFnuZUldK hfjVLE4pjrQVtxeKiaXdkJSNmFlGEdUCaAK3eXVKIuTVVqPjbhm5yIja9Mww6my7UNgRmz ovhjZy/lWeh/aQa+kPUj80nLeSiHYiFPM1N0j5//ZyKNKjgQzZ/qPZu0phepfg== Cc: , , , , "Yicong Yang" Subject: [PATCH] hw/riscv/virt-acpi-build.c: Use kvm timer frequency when kvm enabled Date: Wed, 25 Mar 2026 16:13:14 +0800 Message-Id: <20260325081314.57089-1-yang.yicong@picoheart.com> X-Lms-Return-Path: X-Original-From: Yicong Yang To: , , From: "Yicong Yang" Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Mailer: git-send-email 2.50.1 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=209.127.231.18; envelope-from=yang.yicong@picoheart.com; helo=va-2-18.ptr.blmpb.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Wed, 25 Mar 2026 08:33:13 -0400 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 @picoheart-com.20200927.dkim.feishu.cn) X-ZM-MESSAGEID: 1774442072271158500 Content-Type: text/plain; charset="utf-8" The timer frequency is decided by the host(kvm) rather than a fixed RISCV_ACLINT_DEFAULT_TIMEBASE_FREQ on kvm accelerated VM. So build RCHT with KVM provided timer frequency if KVM is enabled, just like how we build the timer node on DT based VM. Fixes: ebfd39289370 ("hw/riscv/virt: virt-acpi-build.c: Add RHCT Table") Signed-off-by: Yicong Yang Reviewed-by: Andrew Jones --- hw/riscv/virt-acpi-build.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/hw/riscv/virt-acpi-build.c b/hw/riscv/virt-acpi-build.c index f1406cb68339..fd6ca5dbc4ff 100644 --- a/hw/riscv/virt-acpi-build.c +++ b/hw/riscv/virt-acpi-build.c @@ -35,9 +35,11 @@ #include "hw/riscv/virt.h" #include "hw/riscv/numa.h" #include "hw/virtio/virtio-acpi.h" +#include "kvm/kvm_riscv.h" #include "migration/vmstate.h" #include "qapi/error.h" #include "qemu/error-report.h" +#include "system/kvm.h" #include "system/reset.h" =20 #define ACPI_BUILD_TABLE_SIZE 0x20000 @@ -296,7 +298,10 @@ static void build_rhct(GArray *table_data, =20 /* Time Base Frequency */ build_append_int_noprefix(table_data, - RISCV_ACLINT_DEFAULT_TIMEBASE_FREQ, 8); + kvm_enabled() ? + kvm_riscv_get_timebase_frequency(&s->soc->ha= rts[0]) : + RISCV_ACLINT_DEFAULT_TIMEBASE_FREQ, + 8); =20 /* ISA + N hart info */ num_rhct_nodes =3D 1 + ms->smp.cpus; --=20 2.34.1