From nobody Sat Nov 15 17:09:39 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; 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 1749467529852830.0575494371099; Mon, 9 Jun 2025 04:12:09 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uOaPS-0005FV-OJ; Mon, 09 Jun 2025 07:11:22 -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 1uOaPN-0005Du-PP for qemu-devel@nongnu.org; Mon, 09 Jun 2025 07:11:17 -0400 Received: from mail.loongson.cn ([114.242.206.163]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uOaPH-00075d-CL for qemu-devel@nongnu.org; Mon, 09 Jun 2025 07:11:16 -0400 Received: from loongson.cn (unknown [10.2.5.185]) by gateway (Coremail) with SMTP id _____8AxmnFJwUZoXW4RAQ--.43940S3; Mon, 09 Jun 2025 19:11:05 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.185]) by front1 (Coremail) with SMTP id qMiowMAxzxtFwUZoiU0SAQ--.4222S11; Mon, 09 Jun 2025 19:11:05 +0800 (CST) From: Song Gao To: maobibo@loongson.cn Cc: qemu-devel@nongnu.org, philmd@linaro.org, jiaxun.yang@flygoat.com Subject: [PATCH 09/10] target/loongarch: loongarch CPU supoort avec irqs Date: Mon, 9 Jun 2025 18:48:32 +0800 Message-Id: <20250609104833.839811-10-gaosong@loongson.cn> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20250609104833.839811-1-gaosong@loongson.cn> References: <20250609104833.839811-1-gaosong@loongson.cn> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: qMiowMAxzxtFwUZoiU0SAQ--.4222S11 X-CM-SenderInfo: 5jdr20tqj6z05rqj20fqof0/ X-Coremail-Antispam: 1Uk129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7KY7 ZEXasCq-sGcSsGvfJ3UbIjqfuFe4nvWSU5nxnvy29KBjDU0xBIdaVrnUUvcSsGvfC2Kfnx nUUI43ZEXa7xR_UUUUUUUUU== 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=114.242.206.163; envelope-from=gaosong@loongson.cn; helo=mail.loongson.cn 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, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, 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: 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-ZM-MESSAGEID: 1749467535902116600 Content-Type: text/plain; charset="utf-8" Signed-off-by: Song Gao --- target/loongarch/cpu-csr.h | 1 + target/loongarch/cpu.c | 17 +++++++++++++++++ 2 files changed, 18 insertions(+) diff --git a/target/loongarch/cpu-csr.h b/target/loongarch/cpu-csr.h index 0834e91f30..83f6cb081a 100644 --- a/target/loongarch/cpu-csr.h +++ b/target/loongarch/cpu-csr.h @@ -39,6 +39,7 @@ FIELD(CSR_ECFG, VS, 16, 3) =20 #define LOONGARCH_CSR_ESTAT 0x5 /* Exception status */ FIELD(CSR_ESTAT, IS, 0, 13) +FIELD(CSR_ESTAT, MSGINT, 14, 1) FIELD(CSR_ESTAT, ECODE, 16, 6) FIELD(CSR_ESTAT, ESUBCODE, 22, 9) =20 diff --git a/target/loongarch/cpu.c b/target/loongarch/cpu.c index bde9f917fc..207d11266f 100644 --- a/target/loongarch/cpu.c +++ b/target/loongarch/cpu.c @@ -127,6 +127,23 @@ void loongarch_cpu_set_irq(void *opaque, int irq, int = level) return; } =20 + /* do INTC_AVEC irqs */ + if (irq =3D=3D INT_AVEC) { + for (int i =3D 256; i >=3D 0; i--) { + if (test_bit(i, &(env->CSR_MSGIS[i / 64]))) { + env->CSR_MSGIR =3D FIELD_DP64(env->CSR_MSGIR, CSR_MSGIR, I= NTNUM, i); + env->CSR_MSGIR =3D FIELD_DP64(env->CSR_MSGIR, CSR_MSGIR, A= CTIVE, 0); + env->CSR_ESTAT =3D FIELD_DP64(env->CSR_ESTAT, CSR_ESTAT, M= SGINT, 1); + cpu_interrupt(cs, CPU_INTERRUPT_HARD); + clear_bit(i, &(env->CSR_MSGIS[i / 64])); + } + } + } else { + env->CSR_ESTAT =3D FIELD_DP64(env->CSR_ESTAT, CSR_ESTAT, MSGINT, 0); + env->CSR_MSGIR =3D FIELD_DP64(env->CSR_MSGIR, CSR_MSGIR, ACTIVE, 1); + return; + } + if (kvm_enabled()) { kvm_loongarch_set_interrupt(cpu, irq, level); } else if (tcg_enabled()) { --=20 2.34.1