From nobody Tue Feb 10 20:48:37 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=1691459787; cv=none; d=zohomail.com; s=zohoarc; b=Z9Nyz2FIu4t4/sPDR3POWH1a5yn+B3iqsb68oHjdKxqp30rL8wGuDEODeE5O9hyuUWf+6nd+cQUsmDOy5uSiyZgbMStOs74vPgyPVQqsfHBTlLtlqDjy0YA1SHWPRKRbGJ5Dv8GcanXYQ4SsANM9Hwtp7VKAz3DFLKTtWUNHbpU= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1691459787; 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=ecXGuJl54UoHpFAvQkdUsmdJF2pb9cfMDSyUK6YXxPQ=; b=lS938rUOq3js7TcV0bzCdFiNvOnkOilWpRHMuhSfBpTklmTKYoFugKhKbyFfNpy97I4iWE80xDFq2ZJrKVRJf5CzP/gYeKDWs7c9QYANWx+qDr5+k6nKKGygBZO6AK6HtwrdPY+fW+TX9DcaHSTpxHNMzfmktANPppIyZqis/Pc= 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 1691459787642502.13907368910964; Mon, 7 Aug 2023 18:56:27 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qTBx0-0002dO-Gr; Mon, 07 Aug 2023 21:55:58 -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 1qTBwy-0002dC-G7 for qemu-devel@nongnu.org; Mon, 07 Aug 2023 21:55:56 -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 1qTBww-0003im-Ru for qemu-devel@nongnu.org; Mon, 07 Aug 2023 21:55:56 -0400 Received: from cslab-raptor.. (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 CB67C43F3A; Tue, 8 Aug 2023 01:55:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=jia.je; s=default; t=1691459753; bh=ecXGuJl54UoHpFAvQkdUsmdJF2pb9cfMDSyUK6YXxPQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=eEMvqMAjO42t8NQxSIKNfXkKOj7tDBo9vUdZmnYpslnhWb9QFR0mrMpYG8xCoZXJ5 Zp08RI82YpHNTIm1JZKwTuUOROGBHKy0/bcLPuKP7ZBZIX5vfIK8F9hUhP5VjS9tgK O+OFvfWZpdNBXrJObvLHJfG6PcxtXWqp44rZXKnI= From: Jiajie Chen To: qemu-devel@nongnu.org Cc: richard.henderson@linaro.org, yijun@loongson.cn, shenjinyang@loongson.cn, gaosong@loongson.cn, i.qemu@xen0n.name, Jiajie Chen Subject: [PATCH v4 07/11] target/loongarch: Add LA32 & VA32 to DisasContext Date: Tue, 8 Aug 2023 09:54:33 +0800 Message-ID: <20230808015506.1705140-8-c@jia.je> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230808015506.1705140-1-c@jia.je> References: <20230808015506.1705140-1-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: 1691459788826100003 Content-Type: text/plain; charset="utf-8" Add LA32 and VA32(32-bit Virtual Address) to DisasContext to allow the translator to reject doubleword instructions in LA32 mode for example. Signed-off-by: Jiajie Chen Reviewed-by: Richard Henderson --- target/loongarch/cpu.h | 9 +++++++++ target/loongarch/translate.c | 3 +++ target/loongarch/translate.h | 2 ++ 3 files changed, 14 insertions(+) diff --git a/target/loongarch/cpu.h b/target/loongarch/cpu.h index 396869c3b6..69589f0aef 100644 --- a/target/loongarch/cpu.h +++ b/target/loongarch/cpu.h @@ -445,15 +445,24 @@ static inline int cpu_mmu_index(CPULoongArchState *en= v, bool ifetch) #define HW_FLAGS_CRMD_PG R_CSR_CRMD_PG_MASK /* 0x10 */ #define HW_FLAGS_EUEN_FPE 0x04 #define HW_FLAGS_EUEN_SXE 0x08 +#define HW_FLAGS_VA32 0x20 =20 static inline void cpu_get_tb_cpu_state(CPULoongArchState *env, vaddr *pc, uint64_t *cs_base, uint32_t *flags) { + /* VA32 if LA32 or VA32L[1-3] */ + uint32_t va32 =3D LOONGARCH_CPUCFG_ARCH(env, LA32); + uint64_t plv =3D FIELD_EX64(env->CSR_CRMD, CSR_CRMD, PLV); + if (plv >=3D 1 && (FIELD_EX64(env->CSR_MISC, CSR_MISC, VA32) & (1 << p= lv))) { + va32 =3D 1; + } + *pc =3D env->pc; *cs_base =3D 0; *flags =3D env->CSR_CRMD & (R_CSR_CRMD_PLV_MASK | R_CSR_CRMD_PG_MASK); *flags |=3D FIELD_EX64(env->CSR_EUEN, CSR_EUEN, FPE) * HW_FLAGS_EUEN_F= PE; *flags |=3D FIELD_EX64(env->CSR_EUEN, CSR_EUEN, SXE) * HW_FLAGS_EUEN_S= XE; + *flags |=3D va32 * HW_FLAGS_VA32; } =20 void loongarch_cpu_list(void); diff --git a/target/loongarch/translate.c b/target/loongarch/translate.c index 3146a2d4ac..f1e5fe4cf8 100644 --- a/target/loongarch/translate.c +++ b/target/loongarch/translate.c @@ -119,6 +119,9 @@ static void loongarch_tr_init_disas_context(DisasContex= tBase *dcbase, ctx->vl =3D LSX_LEN; } =20 + ctx->la32 =3D LOONGARCH_CPUCFG_ARCH(env, LA32); + ctx->va32 =3D (ctx->base.tb->flags & HW_FLAGS_VA32) !=3D 0; + ctx->zero =3D tcg_constant_tl(0); } =20 diff --git a/target/loongarch/translate.h b/target/loongarch/translate.h index 7f60090580..828f1185d2 100644 --- a/target/loongarch/translate.h +++ b/target/loongarch/translate.h @@ -33,6 +33,8 @@ typedef struct DisasContext { uint16_t plv; int vl; /* Vector length */ TCGv zero; + bool la32; /* LoongArch32 mode */ + bool va32; /* 32-bit virtual address */ } DisasContext; =20 void generate_exception(DisasContext *ctx, int excp); --=20 2.41.0