From patchwork Tue Aug 22 03:27:21 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: gaosong X-Patchwork-Id: 13360120 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 39DFEEE4996 for ; Tue, 22 Aug 2023 03:29:18 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qYI4c-0007YX-6D; Mon, 21 Aug 2023 23:28:54 -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 1qYI4a-0007LM-1z for qemu-devel@nongnu.org; Mon, 21 Aug 2023 23:28:52 -0400 Received: from mail.loongson.cn ([114.242.206.163]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qYI4X-0003HR-HA for qemu-devel@nongnu.org; Mon, 21 Aug 2023 23:28:51 -0400 Received: from loongson.cn (unknown [10.2.5.185]) by gateway (Coremail) with SMTP id _____8Dx_+skK+RkXMkaAA--.53746S3; Tue, 22 Aug 2023 11:27:32 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.185]) by localhost.localdomain (Coremail) with SMTP id AQAAf8CxF8wcK+RkYv5fAA--.63059S14; Tue, 22 Aug 2023 11:27:31 +0800 (CST) From: Song Gao To: qemu-devel@nongnu.org Cc: richard.henderson@linaro.org, c@jia.je, philmd@linaro.org, maobibo@loongson.cn, yangxiaojuan@loongson.cn, yijun@loongson.cn, shenjinyang@loongson.cn Subject: [PATCH v4 12/15] target/loongarch: Add avail_LSPW to check LSPW instructions Date: Tue, 22 Aug 2023 11:27:21 +0800 Message-Id: <20230822032724.1353391-13-gaosong@loongson.cn> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230822032724.1353391-1-gaosong@loongson.cn> References: <20230822032724.1353391-1-gaosong@loongson.cn> MIME-Version: 1.0 X-CM-TRANSID: AQAAf8CxF8wcK+RkYv5fAA--.63059S14 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 Signed-off-by: Song Gao Reviewed-by: Richard Henderson --- target/loongarch/translate.h | 1 + target/loongarch/insn_trans/trans_privileged.c.inc | 8 ++++++++ 2 files changed, 9 insertions(+) diff --git a/target/loongarch/translate.h b/target/loongarch/translate.h index 0f244cd83b..f0d7b82932 100644 --- a/target/loongarch/translate.h +++ b/target/loongarch/translate.h @@ -20,6 +20,7 @@ #define avail_FP(C) (FIELD_EX32((C)->cpucfg2, CPUCFG2, FP)) #define avail_FP_SP(C) (FIELD_EX32((C)->cpucfg2, CPUCFG2, FP_SP)) #define avail_FP_DP(C) (FIELD_EX32((C)->cpucfg2, CPUCFG2, FP_DP)) +#define avail_LSPW(C) (FIELD_EX32((C)->cpucfg2, CPUCFG2, LSPW)) /* * If an operation is being performed on less than TARGET_LONG_BITS, diff --git a/target/loongarch/insn_trans/trans_privileged.c.inc b/target/loongarch/insn_trans/trans_privileged.c.inc index 684ff547a7..099cd871f0 100644 --- a/target/loongarch/insn_trans/trans_privileged.c.inc +++ b/target/loongarch/insn_trans/trans_privileged.c.inc @@ -437,6 +437,10 @@ static bool trans_ldpte(DisasContext *ctx, arg_ldpte *a) TCGv_i32 mem_idx = tcg_constant_i32(ctx->mem_idx); TCGv src1 = gpr_src(ctx, a->rj, EXT_NONE); + if (!avail_LSPW(ctx)) { + return true; + } + if (check_plv(ctx)) { return false; } @@ -450,6 +454,10 @@ static bool trans_lddir(DisasContext *ctx, arg_lddir *a) TCGv src = gpr_src(ctx, a->rj, EXT_NONE); TCGv dest = gpr_dst(ctx, a->rd, EXT_NONE); + if (!avail_LSPW(ctx)) { + return true; + } + if (check_plv(ctx)) { return false; }