From patchwork Wed Sep 20 06:50:54 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Song Gao X-Patchwork-Id: 13392156 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 95D08CE79AC for ; Wed, 20 Sep 2023 06:52:59 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qir4B-0007lw-R0; Wed, 20 Sep 2023 02:52:07 -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 1qir4A-0007lB-0p for qemu-devel@nongnu.org; Wed, 20 Sep 2023 02:52:06 -0400 Received: from mail.loongson.cn ([114.242.206.163]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qir47-00040q-VX for qemu-devel@nongnu.org; Wed, 20 Sep 2023 02:52:05 -0400 Received: from loongson.cn (unknown [10.2.5.185]) by gateway (Coremail) with SMTP id _____8DxBfGHlgplkS8qAA--.15709S3; Wed, 20 Sep 2023 14:51:51 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.185]) by localhost.localdomain (Coremail) with SMTP id AQAAf8Dxzdx7lgplhVYMAA--.24315S14; Wed, 20 Sep 2023 14:51:51 +0800 (CST) From: Song Gao To: qemu-devel@nongnu.org Cc: Richard Henderson Subject: [PULL 12/57] target/loongarch: check_vec support check LASX instructions Date: Wed, 20 Sep 2023 14:50:54 +0800 Message-Id: <20230920065139.1403868-13-gaosong@loongson.cn> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230920065139.1403868-1-gaosong@loongson.cn> References: <20230920065139.1403868-1-gaosong@loongson.cn> MIME-Version: 1.0 X-CM-TRANSID: AQAAf8Dxzdx7lgplhVYMAA--.24315S14 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 Reviewed-by: Richard Henderson Signed-off-by: Song Gao Message-Id: <20230914022645.1151356-13-gaosong@loongson.cn> --- target/loongarch/cpu.h | 2 ++ target/loongarch/cpu.c | 2 ++ target/loongarch/insn_trans/trans_vec.c.inc | 6 ++++++ 3 files changed, 10 insertions(+) diff --git a/target/loongarch/cpu.h b/target/loongarch/cpu.h index 347ad1c8a9..f125a8e49b 100644 --- a/target/loongarch/cpu.h +++ b/target/loongarch/cpu.h @@ -462,6 +462,7 @@ static inline void set_pc(CPULoongArchState *env, uint64_t value) #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 #define HW_FLAGS_VA32 0x20 static inline void cpu_get_tb_cpu_state(CPULoongArchState *env, vaddr *pc, @@ -472,6 +473,7 @@ static inline void cpu_get_tb_cpu_state(CPULoongArchState *env, vaddr *pc, *flags = env->CSR_CRMD & (R_CSR_CRMD_PLV_MASK | R_CSR_CRMD_PG_MASK); *flags |= FIELD_EX64(env->CSR_EUEN, CSR_EUEN, FPE) * HW_FLAGS_EUEN_FPE; *flags |= FIELD_EX64(env->CSR_EUEN, CSR_EUEN, SXE) * HW_FLAGS_EUEN_SXE; + *flags |= FIELD_EX64(env->CSR_EUEN, CSR_EUEN, ASXE) * HW_FLAGS_EUEN_ASXE; *flags |= is_va32(env) * HW_FLAGS_VA32; } diff --git a/target/loongarch/cpu.c b/target/loongarch/cpu.c index 4d72e905aa..a1d3f680d8 100644 --- a/target/loongarch/cpu.c +++ b/target/loongarch/cpu.c @@ -55,6 +55,7 @@ static const char * const excp_names[] = { [EXCCODE_DBP] = "Debug breakpoint", [EXCCODE_BCE] = "Bound Check Exception", [EXCCODE_SXD] = "128 bit vector instructions Disable exception", + [EXCCODE_ASXD] = "256 bit vector instructions Disable exception", }; const char *loongarch_exception_name(int32_t exception) @@ -190,6 +191,7 @@ static void loongarch_cpu_do_interrupt(CPUState *cs) case EXCCODE_FPD: case EXCCODE_FPE: case EXCCODE_SXD: + case EXCCODE_ASXD: env->CSR_BADV = env->pc; QEMU_FALLTHROUGH; case EXCCODE_BCE: diff --git a/target/loongarch/insn_trans/trans_vec.c.inc b/target/loongarch/insn_trans/trans_vec.c.inc index d8ab7c3417..b5ca65c250 100644 --- a/target/loongarch/insn_trans/trans_vec.c.inc +++ b/target/loongarch/insn_trans/trans_vec.c.inc @@ -12,6 +12,12 @@ static bool check_vec(DisasContext *ctx, uint32_t oprsz) generate_exception(ctx, EXCCODE_SXD); return false; } + + if ((oprsz == 32) && ((ctx->base.tb->flags & HW_FLAGS_EUEN_ASXE) == 0)) { + generate_exception(ctx, EXCCODE_ASXD); + return false; + } + return true; }