From patchwork Wed Jun 21 10:19:42 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bastian Koppelmann X-Patchwork-Id: 13287101 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 A51E0EB64D7 for ; Wed, 21 Jun 2023 10:20:15 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qBuwd-0003Mu-D8; Wed, 21 Jun 2023 06:20:11 -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 1qBuwY-0003JI-RA for qemu-devel@nongnu.org; Wed, 21 Jun 2023 06:20:07 -0400 Received: from shirlock.uni-paderborn.de ([2001:638:502:c003::15]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qBuwW-0000wO-2j for qemu-devel@nongnu.org; Wed, 21 Jun 2023 06:20:06 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mail.uni-paderborn.de; s=20170601; h=Content-Transfer-Encoding:MIME-Version :Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:In-Reply-To:References:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=TJGC9vBE/Ggg8VDPsnGh9bgaWfzGDXmsj1ogkangZmQ=; b=SwRtsvvQGqgbt8+ouK7E1bVgeZ FB16/ytxtKMUHRCExbe32q24dTvFkkJ0FHsUZf87TWkZPyGpmCDnxEpI5UVzNTWO5o/iNYaUn2kYZ WoGv952iVNV5T9P6kdKR64IHF8bcTk7KytVeJqpdfwgwFeQS/mnIxXeejWZyFhRDdJmw=; X-Envelope-From: From: Bastian Koppelmann To: qemu-devel@nongnu.org Cc: kbastian@mail.uni-paderborn.de, richard.henderson@linaro.org Subject: [PATCH v3 0/8] TriCore Privilege Levels Date: Wed, 21 Jun 2023 12:19:42 +0200 Message-Id: <20230621101950.1645420-1-kbastian@mail.uni-paderborn.de> X-Mailer: git-send-email 2.40.1 MIME-Version: 1.0 X-PMX-Version: 6.4.9.2830568, Antispam-Engine: 2.7.2.2107409, Antispam-Data: 2023.6.21.101217, AntiVirus-Engine: 6.0.0, AntiVirus-Data: 2023.6.6.600001 X-Sophos-SenderHistory: ip=79.202.219.6, fs=1187687, da=174951860, mc=104, sc=0, hc=104, sp=0, fso=1187687, re=0, sd=0, hd=0 X-IMT-Source: Intern X-IMT-Spam-Score: 0.0 () X-IMT-Authenticated-Sender: uid=kbastian,ou=People,o=upb,c=de Received-SPF: pass client-ip=2001:638:502:c003::15; envelope-from=kbastian@mail.uni-paderborn.de; helo=shirlock.uni-paderborn.de X-Spam_score_int: -42 X-Spam_score: -4.3 X-Spam_bar: ---- X-Spam_report: (-4.3 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_MED=-2.3, 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Hi, this patch series tries to properly implement privilege levels for the TriCore, as discussed in https://lore.kernel.org/qemu-devel/20230118090319.32n4uto7ogy3gfr6@schnipp.zuhause/. While implementing privilege traps for the SV/UM1 only insns, I saw that the RESTORE insn uses the wrong ICR.IE bit. So I fixed that as well. Cheers, Bastian v1 -> v2: - Fixed bug where JLI clobbered reg A[11] | PATCH [01/08] - Moved all calls to tcg_gen_exit_tb() to | PATCH [02/08] tricore_tr_tb_stop() | - Enable/disable insns now exit to main-loop | PATCH [03/08] - Indirect jumps us tcg_gen_lookup_and_goto_ptr() | PATCH [04/08] - Removed (uint32_t) cast | PATCH [05/08] - Removed psw_write() calling cpu_loop_exit() | PATCH [07/08] v2 -> v3: - DISABLE insns don't end the TB | PATCH [03/08] - generate_trap() for indirct jump now set | PATCH [04/08] DISAS_NORETURN | Bastian Koppelmann (8): target/tricore: Fix RR_JLI clobbering reg A[11] target/tricore: Introduce DISAS_TARGET_EXIT target/tricore: ENABLE/DISABLE exit to main-loop target/tricore: Indirect jump insns use tcg_gen_lookup_and_goto_ptr() target/tricore: Introduce priv tb flag target/tricore: Implement privilege level for all insns target/tricore: Honour privilege changes on PSW write target/tricore: Fix ICR.IE offset in RESTORE insn target/tricore/cpu.h | 17 +++++-- target/tricore/translate.c | 97 ++++++++++++++++++++++++++------------ 2 files changed, 78 insertions(+), 36 deletions(-) --- 2.40.1