From patchwork Mon Jul 29 01:39:35 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: gaosong X-Patchwork-Id: 13744151 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 7E7C3C49EA1 for ; Mon, 29 Jul 2024 01:58:37 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sYFdg-0004ze-46; Sun, 28 Jul 2024 21:57:28 -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 1sYFdX-0004qt-BG for qemu-devel@nongnu.org; Sun, 28 Jul 2024 21:57:20 -0400 Received: from mail.loongson.cn ([114.242.206.163]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sYFdS-0002Tw-7g for qemu-devel@nongnu.org; Sun, 28 Jul 2024 21:57:17 -0400 Received: from loongson.cn (unknown [10.2.5.185]) by gateway (Coremail) with SMTP id _____8DxSurx9qZmfVQDAA--.11834S3; Mon, 29 Jul 2024 09:57:05 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.185]) by front1 (Coremail) with SMTP id qMiowMBx4MXu9qZm1AIEAA--.19410S3; Mon, 29 Jul 2024 09:57:04 +0800 (CST) From: Song Gao To: qemu-devel@nongnu.org Cc: richard.henderson@linaro.org, maobibo@loongson.cn, philmd@linaro.org Subject: [PATCH 1/5] target/loongarch: Add a new cpu_type la664 Date: Mon, 29 Jul 2024 09:39:35 +0800 Message-Id: <20240729013939.1807982-2-gaosong@loongson.cn> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20240729013939.1807982-1-gaosong@loongson.cn> References: <20240729013939.1807982-1-gaosong@loongson.cn> MIME-Version: 1.0 X-CM-TRANSID: qMiowMBx4MXu9qZm1AIEAA--.19410S3 X-CM-SenderInfo: 5jdr20tqj6z05rqj20fqof0/ X-Coremail-Antispam: 1Uk129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7KY7 ZEXasCq-sGcSsGvfJ3UbIjqfuFe4nvWSU5nxnvy29KBjDU0xBIdaVrnUUvcSsGvfC2Kfnx nUUI43ZEXa7xR_UUUUUUUUU== 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, 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Add a new LoongArch cpu type la664. The la664 has many new features, such as new atomic instructions, hardware page table walk, etc. We will implement them later. Signed-off-by: Song Gao --- target/loongarch/cpu.c | 48 +++++++++++++++++++++++++++++++----------- 1 file changed, 36 insertions(+), 12 deletions(-) diff --git a/target/loongarch/cpu.c b/target/loongarch/cpu.c index 5e85b9dbef..1b975f1de8 100644 --- a/target/loongarch/cpu.c +++ b/target/loongarch/cpu.c @@ -374,20 +374,11 @@ static int loongarch_cpu_mmu_index(CPUState *cs, bool ifetch) return MMU_DA_IDX; } -static void loongarch_la464_initfn(Object *obj) +static void loongarch_common_initfn(CPULoongArchState *env, Object *obj) { - LoongArchCPU *cpu = LOONGARCH_CPU(obj); - CPULoongArchState *env = &cpu->env; - int i; - - for (i = 0; i < 21; i++) { - env->cpucfg[i] = 0x0; - } - - cpu->dtb_compatible = "loongarch,Loongson-3A5000"; - env->cpucfg[0] = 0x14c010; /* PRID */ + uint32_t data; - uint32_t data = 0; + data = 0; data = FIELD_DP32(data, CPUCFG1, ARCH, 2); data = FIELD_DP32(data, CPUCFG1, PGMMU, 1); data = FIELD_DP32(data, CPUCFG1, IOCSR, 1); @@ -472,6 +463,38 @@ static void loongarch_la464_initfn(Object *obj) loongarch_cpu_post_init(obj); } +static void loongarch_la664_initfn(Object *obj) +{ + LoongArchCPU *cpu = LOONGARCH_CPU(obj); + CPULoongArchState *env = &cpu->env; + int i; + + for (i = 0; i < 21; i++) { + env->cpucfg[i] = 0x0; + } + + cpu->dtb_compatible = "loongarch,Loongson-3A6000"; + env->cpucfg[0] = 0x14d000; /* PRID */ + + loongarch_common_initfn(env, obj); +} + +static void loongarch_la464_initfn(Object *obj) +{ + LoongArchCPU *cpu = LOONGARCH_CPU(obj); + CPULoongArchState *env = &cpu->env; + int i; + + for (i = 0; i < 21; i++) { + env->cpucfg[i] = 0x0; + } + + cpu->dtb_compatible = "loongarch,Loongson-3A5000"; + env->cpucfg[0] = 0x14c010; /* PRID */ + + loongarch_common_initfn(env, obj); +} + static void loongarch_la132_initfn(Object *obj) { LoongArchCPU *cpu = LOONGARCH_CPU(obj); @@ -857,6 +880,7 @@ static const TypeInfo loongarch_cpu_type_infos[] = { .abstract = true, .class_init = loongarch64_cpu_class_init, }, + DEFINE_LOONGARCH_CPU_TYPE(64, "la664", loongarch_la664_initfn), DEFINE_LOONGARCH_CPU_TYPE(64, "la464", loongarch_la464_initfn), DEFINE_LOONGARCH_CPU_TYPE(32, "la132", loongarch_la132_initfn), DEFINE_LOONGARCH_CPU_TYPE(64, "max", loongarch_max_initfn),