From mboxrd@z Thu Jan 1 00:00:00 1970 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 lists1p.gnu.org (lists1p.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 7F57AC54F54 for ; Fri, 31 Jul 2026 06:00:17 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists1p.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1wpgFa-0002fE-Nw; Fri, 31 Jul 2026 01:57:42 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1wpeM9-0005uu-5R; Thu, 30 Jul 2026 23:56:22 -0400 Received: from [115.124.30.97] (helo=out30-97.freemail.mail.aliyun.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1wpeM2-0002Ii-Dc; Thu, 30 Jul 2026 23:56:20 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.alibaba.com; s=default; t=1785470169; h=From:To:Subject:Date:Message-Id:MIME-Version; bh=YaMOXhMK+4204mX9njUvyFccbt16zqb7oJOy5G7LF9Y=; b=XfVGqfWh1GLmCOQm/3gK3QtXrtgJ9GohamDVTj0bZiXRLuIrF3C+MZXD/7yM40F0M7l3ty82Yb/sNYnNlibnZXDdlXs6NntI7UA28iGb0qDNS4QNdn+BDGEn5CHR4/vQ1tmC7QX57rVEvBes8W9rij9x7Uh8YxurqvQQpLP/Q3M= X-Alimail-AntiSpam: AC=PASS; BC=-1|-1; BR=01201311R191e4; CH=green; DM=||false|; DS=||; FP=0|-1|-1|-1|0|-1|-1|-1; HT=maildocker-contentspam033045133197; MF=blduan@linux.alibaba.com; NM=1; PH=DS; RN=7; SR=0; TI=SMTPD_---0X86jwTx_1785469855; Received: from ea134-sw16.eng.xrvm.cn(mailfrom:blduan@linux.alibaba.com fp:SMTPD_---0X86jwTx_1785469855 cluster:ay36) by smtp.aliyun-inc.com; Fri, 31 Jul 2026 11:50:55 +0800 From: Baolong Duan To: qemu-devel@nongnu.org Cc: qemu-riscv@nongnu.org, alistair23@gmail.com, dbarboza@ventanamicro.com, cxx194832@alibaba-inc.com, zengxiangyi.zxy@alibaba-inc.com, Baolong Duan Subject: [RFC PATCH v1 09/17] hw/intc/riscv_aplic: emulate the APLIC for a CoVE guest Date: Fri, 31 Jul 2026 11:50:03 +0800 Message-Id: <20260731035011.4178103-10-blduan@linux.alibaba.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260731035011.4178103-1-blduan@linux.alibaba.com> References: <20260731035011.4178103-1-blduan@linux.alibaba.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Host-Lookup-Failed: Reverse DNS lookup failed for 115.124.30.97 (deferred) Received-SPF: pass client-ip=115.124.30.97; envelope-from=blduan@linux.alibaba.com; helo=out30-97.freemail.mail.aliyun.com X-Spam_score_int: -166 X-Spam_score: -16.7 X-Spam_bar: ---------------- X-Spam_report: (-16.7 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, ENV_AND_HDR_SPF_MATCH=-0.5, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, UNPARSEABLE_RELAY=0.001, USER_IN_DEF_DKIM_WL=-7.5, USER_IN_DEF_SPF_WL=-7.5 autolearn=no autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Fri, 31 Jul 2026 01:57:33 -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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org KVM does not implement an APLIC for a TEE VM, so emulate it in QEMU while still using the in-kernel IMSIC, exactly like in split irqchip mode. Signed-off-by: Baolong Duan --- hw/intc/riscv_aplic.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/hw/intc/riscv_aplic.c b/hw/intc/riscv_aplic.c index 84606e9f3d..897147c2d5 100644 --- a/hw/intc/riscv_aplic.c +++ b/hw/intc/riscv_aplic.c @@ -36,6 +36,7 @@ #include "kvm/kvm_riscv.h" #include "migration/vmstate.h" #include "trace.h" +#include "hw/riscv/cove.h" #define APLIC_MAX_IDC (1UL << 14) #define APLIC_MAX_SOURCE 1024 @@ -172,6 +173,14 @@ bool riscv_use_emulated_aplic(bool msimode) return true; } + /* + * KVM does not implement an APLIC for a CoVE guest, so emulate it in + * QEMU while still using the in-kernel IMSIC, like in split mode. + */ + if (riscv_cove_vm_active()) { + return true; + } + if (!riscv_is_kvm_aia_aplic_imsic(msimode)) { return true; } -- 2.34.1