From mboxrd@z Thu Jan 1 00:00:00 1970 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 C8608C433EF for ; Tue, 8 Mar 2022 07:23:33 +0000 (UTC) Received: from localhost ([::1]:55608 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nRUBw-0007t7-NQ for qemu-devel@archiver.kernel.org; Tue, 08 Mar 2022 02:23:32 -0500 Received: from eggs.gnu.org ([209.51.188.92]:44886) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nRU8m-00051D-9e for qemu-devel@nongnu.org; Tue, 08 Mar 2022 02:20:17 -0500 Received: from [2607:f8b0:4864:20::102a] (port=46022 helo=mail-pj1-x102a.google.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1nRU8k-00063T-EY for qemu-devel@nongnu.org; Tue, 08 Mar 2022 02:20:15 -0500 Received: by mail-pj1-x102a.google.com with SMTP id m11-20020a17090a7f8b00b001beef6143a8so1580592pjl.4 for ; Mon, 07 Mar 2022 23:20:11 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=NA9HskFqPeLh+02a0cXnYrdAXovGtw+F2Po8AxVhC7E=; b=nHYJ9QGlcMLqmIbooL8I0acm0MFAn7jtSXsIGEtOTfObF2X++jLXIKZprmdFM6VAAf nOGR3wl8ItjIwkd19etXXS8vFmmsJBObOOHsneWnZryQtuV90if2Wk+jE4XmYs0dP63A P2w4QcPobGKhdTxeK9vTGhyRXzvN9CgF/Fk3OlqhDKM7Ua7EB1a398XSerlnSxEr8/lw cb3J+9zYtqV9bIqEYOzYE2LDMR6xnYwiidnv7g1tVr3dKtOKwTJkLqoOZ1DagUvejtmT U6PMnE3+rja/EhODBrYBYj61GLKyKlTcJdgBwP6SUctuOEOrg+REPBc6wSFSg6b3N4wh x9YQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=NA9HskFqPeLh+02a0cXnYrdAXovGtw+F2Po8AxVhC7E=; b=dgQgQ1oSNpoFCTfdLu8rD10jBUw4joNES+m5/55wYT1pjlWGYbQa6H0zB1uKJyPKla /ci8BfxevgJCU/hlTL0C4UP2oUahR3DOp9DvDNcPBYUXfCZWjiFA0FjIWFRdredCcUvr 41LSEw1rpRc5z1tsibqR8Ky3i6obhx92kRRpyeK7a3pUgM5ykaPzpDcEUSibBloqbaQj CBn+umxUZaw3l5hUNddXVg/zhTak7YqaWHZstdb5svNiLwLHtkpI/X9jVbfgK5lNRlOA 113mPEuhEMbyw2H7eWXglSb8B98rHRuU+07Oi/sBeBHgW59PYqbRORsixREI2ikQHS+l WpCA== X-Gm-Message-State: AOAM533Ap34ZNtydO/Ps777RLY4EBin8r60XtLp3GuTkmrPiDRIxdhsC SqhaUkbhOy77ctjeezRL8ZFTQl2aY0Ck7Q== X-Google-Smtp-Source: ABdhPJzE6/Ix0ixon6Q7FJ7/JA5jEl4/2+5M8uUxnMzp00nkYSsMYrGlFUOGr21ViqGC2LRuBtrlpQ== X-Received: by 2002:a17:903:32c4:b0:151:c6ae:e24b with SMTP id i4-20020a17090332c400b00151c6aee24bmr16632491plr.85.1646724010861; Mon, 07 Mar 2022 23:20:10 -0800 (PST) Received: from localhost.localdomain (cpe-50-113-46-110.hawaii.res.rr.com. [50.113.46.110]) by smtp.gmail.com with ESMTPSA id p125-20020a622983000000b004f6c5d58225sm13790899pfp.90.2022.03.07.23.20.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Mar 2022 23:20:10 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v4 01/33] target/nios2: Check supervisor on eret Date: Mon, 7 Mar 2022 21:19:33 -1000 Message-Id: <20220308072005.307955-2-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220308072005.307955-1-richard.henderson@linaro.org> References: <20220308072005.307955-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Host-Lookup-Failed: Reverse DNS lookup failed for 2607:f8b0:4864:20::102a (failed) Received-SPF: pass client-ip=2607:f8b0:4864:20::102a; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x102a.google.com X-Spam_score_int: -6 X-Spam_score: -0.7 X-Spam_bar: / X-Spam_report: (-0.7 / 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, PDS_HP_HELO_NORDNS=0.659, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no 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: , Cc: marex@denx.de, peter.maydell@linaro.org, amir.gonnen@neuroblade.ai Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Amir Gonnen eret instruction is only allowed in supervisor mode. Reviewed-by: Peter Maydell Reviewed-by: Richard Henderson Signed-off-by: Amir Gonnen Message-Id: <20220303153906.2024748-2-amir.gonnen@neuroblade.ai> Signed-off-by: Richard Henderson --- target/nios2/translate.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/target/nios2/translate.c b/target/nios2/translate.c index f89271dbed..341f3a8273 100644 --- a/target/nios2/translate.c +++ b/target/nios2/translate.c @@ -384,6 +384,8 @@ static const Nios2Instruction i_type_instructions[] = { */ static void eret(DisasContext *dc, uint32_t code, uint32_t flags) { + gen_check_supervisor(dc); + tcg_gen_mov_tl(cpu_R[CR_STATUS], cpu_R[CR_ESTATUS]); tcg_gen_mov_tl(cpu_R[R_PC], cpu_R[R_EA]); -- 2.25.1