From patchwork Sun Oct 15 20:59:10 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bastian Koppelmann X-Patchwork-Id: 13422338 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 0102CCDB47E for ; Sun, 15 Oct 2023 21:00:46 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qs8D4-00051Y-UN; Sun, 15 Oct 2023 16:59:38 -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 1qs8D1-00050O-80 for qemu-devel@nongnu.org; Sun, 15 Oct 2023 16:59:35 -0400 Received: from doohan.uni-paderborn.de ([2001:638:502:c003::16]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qs8Ct-0007Rl-FM for qemu-devel@nongnu.org; Sun, 15 Oct 2023 16:59:35 -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 :References:In-Reply-To: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:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=k6Qm3JS8A+8o0rebQ+dXH0YkCJLKsuGlnkc3zq3ZSDw=; b=AtFyqhh5n0JtdfILoiaSsBJo6p 7FtuPU7CZU4isOQzO6g4C7bUmilG5z4ZHozcFny3L1Kc9vdtp7qWSahab8bua6tqQF3VgZtDcclYj VZdb/xrlDmsmr1MKPv9WsJmHNx0DxWGpYPqDiTUchyxVrfLIor0YGxD0feLIzmL1UOXw=; X-Envelope-From: From: Bastian Koppelmann To: qemu-devel@nongnu.org Cc: kbastian@mail.uni-paderborn.de Subject: [PATCH 3/6] target/tricore: Add lseek semihosting call Date: Sun, 15 Oct 2023 22:59:10 +0200 Message-ID: <20231015205913.264782-4-kbastian@mail.uni-paderborn.de> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231015205913.264782-1-kbastian@mail.uni-paderborn.de> References: <20231015205913.264782-1-kbastian@mail.uni-paderborn.de> MIME-Version: 1.0 X-IMT-spamd-action: no action X-PMX-Version: 6.4.9.2830568, Antispam-Engine: 2.7.2.2107409, Antispam-Data: 2023.10.15.205116, AntiVirus-Engine: 6.0.2, AntiVirus-Data: 2023.10.8.602001 X-Sophos-SenderHistory: ip=79.202.213.239, fs=1596201, da=185012630, mc=75, sc=0, hc=75, sp=0, fso=1596201, 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::16; envelope-from=kbastian@mail.uni-paderborn.de; helo=doohan.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 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: Bastian Koppelmann --- target/tricore/tricore-semi.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/target/tricore/tricore-semi.c b/target/tricore/tricore-semi.c index ccbeae4bc0..6f321391ef 100644 --- a/target/tricore/tricore-semi.c +++ b/target/tricore/tricore-semi.c @@ -164,6 +164,17 @@ static void tricore_vio_set_result(CPUTriCoreState *env, int retval, env->gpr_d[12] = tricore_vio_errno_h2g(host_errno); } + +static void tricore_vio_lseek(CPUTriCoreState *env) +{ + int fd = env->gpr_d[4]; + off_t offset = env->gpr_d[5]; + int whence = env->gpr_d[6]; + + off_t res = lseek(fd, offset, whence); + tricore_vio_set_result(env, res, errno); +} + static void tricore_vio_readwrite(CPUTriCoreState *env, bool is_write) { CPUState *cs = env_cpu(env); @@ -234,6 +245,9 @@ void helper_tricore_semihost(CPUTriCoreState *env, uint32_t pc) syscall = (int)env->gpr_d[12]; switch (syscall) { + case SYS__LSEEK: + tricore_vio_lseek(env); + break; case SYS__READ: tricore_vio_read(env); break;