From nobody Wed Feb 11 02:10:39 2026 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 1687254137395397.951255625018; Tue, 20 Jun 2023 02:42:17 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qBXom-00073E-0X; Tue, 20 Jun 2023 05:38:32 -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 1qBXoh-00071Y-4N for qemu-devel@nongnu.org; Tue, 20 Jun 2023 05:38:27 -0400 Received: from mail.loongson.cn ([114.242.206.163]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qBXod-0006Fe-CK for qemu-devel@nongnu.org; Tue, 20 Jun 2023 05:38:26 -0400 Received: from loongson.cn (unknown [10.2.5.185]) by gateway (Coremail) with SMTP id _____8AxnOqJc5FkhiUHAA--.14482S3; Tue, 20 Jun 2023 17:38:17 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.185]) by localhost.localdomain (Coremail) with SMTP id AQAAf8BxduSGc5FkzIQhAA--.28394S5; Tue, 20 Jun 2023 17:38:16 +0800 (CST) From: Song Gao To: qemu-devel@nongnu.org Cc: richard.henderson@linaro.org Subject: [PATCH v1 03/46] target/loongarch: Add CHECK_ASXE maccro for check LASX enable Date: Tue, 20 Jun 2023 17:37:31 +0800 Message-Id: <20230620093814.123650-4-gaosong@loongson.cn> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230620093814.123650-1-gaosong@loongson.cn> References: <20230620093814.123650-1-gaosong@loongson.cn> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: AQAAf8BxduSGc5FkzIQhAA--.28394S5 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, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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: 1687254137645100001 Content-Type: text/plain; charset="utf-8" Signed-off-by: Song Gao Reviewed-by: Richard Henderson --- target/loongarch/cpu.c | 2 ++ target/loongarch/cpu.h | 2 ++ target/loongarch/insn_trans/trans_lasx.c.inc | 10 ++++++++++ 3 files changed, 14 insertions(+) diff --git a/target/loongarch/cpu.c b/target/loongarch/cpu.c index 5037cfc02c..c9f9cbb19d 100644 --- a/target/loongarch/cpu.c +++ b/target/loongarch/cpu.c @@ -54,6 +54,7 @@ static const char * const excp_names[] =3D { [EXCCODE_DBP] =3D "Debug breakpoint", [EXCCODE_BCE] =3D "Bound Check Exception", [EXCCODE_SXD] =3D "128 bit vector instructions Disable exception", + [EXCCODE_ASXD] =3D "256 bit vector instructions Disable exception", }; =20 const char *loongarch_exception_name(int32_t exception) @@ -189,6 +190,7 @@ static void loongarch_cpu_do_interrupt(CPUState *cs) case EXCCODE_FPD: case EXCCODE_FPE: case EXCCODE_SXD: + case EXCCODE_ASXD: env->CSR_BADV =3D env->pc; QEMU_FALLTHROUGH; case EXCCODE_BCE: diff --git a/target/loongarch/cpu.h b/target/loongarch/cpu.h index 347950b4d0..6e8d247ae0 100644 --- a/target/loongarch/cpu.h +++ b/target/loongarch/cpu.h @@ -440,6 +440,7 @@ static inline int cpu_mmu_index(CPULoongArchState *env,= 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_EUEN_ASXE 0x10 =20 static inline void cpu_get_tb_cpu_state(CPULoongArchState *env, target_ulong *pc, @@ -451,6 +452,7 @@ static inline void cpu_get_tb_cpu_state(CPULoongArchSta= te *env, *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 FIELD_EX64(env->CSR_EUEN, CSR_EUEN, ASXE) * HW_FLAGS_EUEN_= ASXE; } =20 void loongarch_cpu_list(void); diff --git a/target/loongarch/insn_trans/trans_lasx.c.inc b/target/loongarc= h/insn_trans/trans_lasx.c.inc index 56a9839255..75a77f5dce 100644 --- a/target/loongarch/insn_trans/trans_lasx.c.inc +++ b/target/loongarch/insn_trans/trans_lasx.c.inc @@ -4,3 +4,13 @@ * Copyright (c) 2023 Loongson Technology Corporation Limited */ =20 +#ifndef CONFIG_USER_ONLY +#define CHECK_ASXE do { \ + if ((ctx->base.tb->flags & HW_FLAGS_EUEN_ASXE) =3D=3D 0) { \ + generate_exception(ctx, EXCCODE_ASXD); \ + return true; \ + } \ +} while (0) +#else +#define CHECK_ASXE +#endif --=20 2.39.1