From nobody Tue Feb 10 18:54:56 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; dmarc=pass(p=quarantine dis=none) header.from=jia.je ARC-Seal: i=1; a=rsa-sha256; t=1691401593; cv=none; d=zohomail.com; s=zohoarc; b=FQqXZkVNAYO84gM/zxqtUm6zNUZH8nRMItvaUbMgY3Cooif7h3hwaG/2iNR3rKFEvjXmqdoYR5Tkdrc5A+8M/gKAyLhb3VU/DMTBthF3bE6AzyLEjvKAFAuBPTn4YpxrosRc16h0eq1zibwb9CChrsWN6BbsbiFhKFB8Ps1DCsU= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1691401593; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=C0i+nmBhNDiH0s67+9P3xHZ9nUpjop/vjTD6yVAonDc=; b=RdPFT8wjKA6Y7qGAKos/x564bYx6G8XK2udgArP2WmAg9eIni7eZjZqIjtOqdRTkRFKnxzJ+4UtjVTz3evUyBRygIp5zMLbA7Y+DHcqK4hxIermzEeB7Rfa5mnhKShUpPPNdb+C4ojKRJGoD4fAy2bTyB30/LZ0hNJFp+kjflVw= 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; dmarc=pass header.from= (p=quarantine dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1691401593983955.2057548988083; Mon, 7 Aug 2023 02:46:33 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qSwoB-0006xR-7t; Mon, 07 Aug 2023 05:45:51 -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 1qSwo6-0006tm-5J for qemu-devel@nongnu.org; Mon, 07 Aug 2023 05:45:48 -0400 Received: from hognose1.porkbun.com ([35.82.102.206]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qSwo4-0002uN-Go for qemu-devel@nongnu.org; Mon, 07 Aug 2023 05:45:45 -0400 Received: from develop.s.cslab.moe (unknown [166.111.226.99]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) (Authenticated sender: c@jia.je) by hognose1.porkbun.com (Postfix) with ESMTPSA id B7F6443B9B; Mon, 7 Aug 2023 09:45:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=jia.je; s=default; t=1691401541; bh=C0i+nmBhNDiH0s67+9P3xHZ9nUpjop/vjTD6yVAonDc=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=kkqfkWJemWELzB+SOAB5jzY1PxukXyW/t5pIwWbg/vLkJarUXYBcohPdGdTVJZIdK S8Pp0HFT+hS1Omzq1FJvYBx46mVo3dS6jFOnKP0T9k/tgWxqAuX2uOtH9XPFR/gjoG TzvRqpGbqWYjqM9/tzhzE0mSXJvRQvTkWChYe+mg= From: Jiajie Chen To: qemu-devel@nongnu.org Cc: richard.henderson@linaro.org, yijun@loongson.cn, shenjinyang@loongson.cn, Jiajie Chen , Xiaojuan Yang , Song Gao Subject: [PATCH v3 2/6] target/loongarch: Add loongarch32 cpu la132 Date: Mon, 7 Aug 2023 17:45:01 +0800 Message-Id: <20230807094505.2030603-3-c@jia.je> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230807094505.2030603-1-c@jia.je> References: <20230807094505.2030603-1-c@jia.je> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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=35.82.102.206; envelope-from=c@jia.je; helo=hognose1.porkbun.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_PASS=-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-ZohoMail-DKIM: pass (identity @jia.je) X-ZM-MESSAGEID: 1691401595698100001 Content-Type: text/plain; charset="utf-8" Add la132 as a loongarch32 cpu type and allow virt machine to be used with la132 instead of la464. Signed-off-by: Jiajie Chen --- hw/loongarch/virt.c | 5 ----- target/loongarch/cpu.c | 41 +++++++++++++++++++++++++++++++++++++++++ target/loongarch/cpu.h | 11 +++++++++++ 3 files changed, 52 insertions(+), 5 deletions(-) diff --git a/hw/loongarch/virt.c b/hw/loongarch/virt.c index e19b042ce8..af15bf5aaa 100644 --- a/hw/loongarch/virt.c +++ b/hw/loongarch/virt.c @@ -798,11 +798,6 @@ static void loongarch_init(MachineState *machine) cpu_model =3D LOONGARCH_CPU_TYPE_NAME("la464"); } =20 - if (!strstr(cpu_model, "la464")) { - error_report("LoongArch/TCG needs cpu type la464"); - exit(1); - } - if (ram_size < 1 * GiB) { error_report("ram_size must be greater than 1G."); exit(1); diff --git a/target/loongarch/cpu.c b/target/loongarch/cpu.c index ad93ecac92..d31efe86da 100644 --- a/target/loongarch/cpu.c +++ b/target/loongarch/cpu.c @@ -362,6 +362,8 @@ static void loongarch_la464_initfn(Object *obj) CPULoongArchState *env =3D &cpu->env; int i; =20 + env->mode =3D LA64; + for (i =3D 0; i < 21; i++) { env->cpucfg[i] =3D 0x0; } @@ -439,6 +441,20 @@ static void loongarch_la464_initfn(Object *obj) env->CSR_ASID =3D FIELD_DP64(0, CSR_ASID, ASIDBITS, 0xa); } =20 +static void loongarch_la132_initfn(Object *obj) +{ + LoongArchCPU *cpu =3D LOONGARCH_CPU(obj); + CPULoongArchState *env =3D &cpu->env; + + env->mode =3D LA32; + + cpu->dtb_compatible =3D "loongarch,Loongson-3C103"; + + uint32_t data =3D 0; + data =3D FIELD_DP32(data, CPUCFG1, ARCH, 1); /* LA32 */ + env->cpucfg[1] =3D data; +} + static void loongarch_cpu_list_entry(gpointer data, gpointer user_data) { const char *typename =3D object_class_get_name(OBJECT_CLASS(data)); @@ -732,6 +748,10 @@ static void loongarch_cpu_class_init(ObjectClass *c, v= oid *data) #endif } =20 +static void loongarch32_cpu_class_init(ObjectClass *c, void *data) +{ +} + #define DEFINE_LOONGARCH_CPU_TYPE(model, initfn) \ { \ .parent =3D TYPE_LOONGARCH_CPU, \ @@ -754,3 +774,24 @@ static const TypeInfo loongarch_cpu_type_infos[] =3D { }; =20 DEFINE_TYPES(loongarch_cpu_type_infos) + +#define DEFINE_LOONGARCH32_CPU_TYPE(model, initfn) \ + { \ + .parent =3D TYPE_LOONGARCH32_CPU, \ + .instance_init =3D initfn, \ + .name =3D LOONGARCH_CPU_TYPE_NAME(model), \ + } + +static const TypeInfo loongarch32_cpu_type_infos[] =3D { + { + .name =3D TYPE_LOONGARCH32_CPU, + .parent =3D TYPE_LOONGARCH_CPU, + .instance_size =3D sizeof(LoongArchCPU), + + .abstract =3D true, + .class_size =3D sizeof(LoongArchCPUClass), + .class_init =3D loongarch32_cpu_class_init, + }, + DEFINE_LOONGARCH32_CPU_TYPE("la132", loongarch_la132_initfn), +}; +DEFINE_TYPES(loongarch32_cpu_type_infos) diff --git a/target/loongarch/cpu.h b/target/loongarch/cpu.h index 43c73e6363..f1907cddc5 100644 --- a/target/loongarch/cpu.h +++ b/target/loongarch/cpu.h @@ -404,6 +404,17 @@ struct LoongArchCPUClass { ResettablePhases parent_phases; }; =20 +#define TYPE_LOONGARCH32_CPU "loongarch32-cpu" +typedef struct LoongArch32CPUClass LoongArch32CPUClass; +DECLARE_CLASS_CHECKERS(LoongArch32CPUClass, LOONGARCH32_CPU, + TYPE_LOONGARCH32_CPU) + +struct LoongArch32CPUClass { + /*< private >*/ + LoongArchCPUClass parent_class; + /*< public >*/ +}; + /* * LoongArch CPUs has 4 privilege levels. * 0 for kernel mode, 3 for user mode. --=20 2.39.2