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 X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D1263C43603 for ; Tue, 10 Dec 2019 07:24:12 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 8A860206D5 for ; Tue, 10 Dec 2019 07:24:12 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8A860206D5 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.ibm.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 47XBQ20D0GzDqB2 for ; Tue, 10 Dec 2019 18:24:10 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=linux.ibm.com (client-ip=148.163.156.1; helo=mx0a-001b2d01.pphosted.com; envelope-from=bala24@linux.ibm.com; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=linux.ibm.com Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 47XBKD1CPCzDqWr for ; Tue, 10 Dec 2019 18:19:53 +1100 (AEDT) Received: from pps.filterd (m0098404.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id xBA7HbMw002620 for ; Tue, 10 Dec 2019 02:19:50 -0500 Received: from e06smtp03.uk.ibm.com (e06smtp03.uk.ibm.com [195.75.94.99]) by mx0a-001b2d01.pphosted.com with ESMTP id 2wt2ksqjqm-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Tue, 10 Dec 2019 02:19:50 -0500 Received: from localhost by e06smtp03.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Tue, 10 Dec 2019 07:19:45 -0000 Received: from d06av22.portsmouth.uk.ibm.com (d06av22.portsmouth.uk.ibm.com [9.149.105.58]) by b06cxnps4076.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id xBA7Jhmg50725082 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 10 Dec 2019 07:19:43 GMT Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id B6D0F4C05A; Tue, 10 Dec 2019 07:19:43 +0000 (GMT) Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 2AB5E4C050; Tue, 10 Dec 2019 07:19:42 +0000 (GMT) Received: from dhcp-9-120-237-107.in.ibm.com (unknown [9.120.237.107]) by d06av22.portsmouth.uk.ibm.com (Postfix) with ESMTP; Tue, 10 Dec 2019 07:19:41 +0000 (GMT) From: Balamuruhan S To: mpe@ellerman.id.au Subject: [PATCH 0/3] Add support for divde[.] and divdeu[.] instruction emulation Date: Tue, 10 Dec 2019 12:49:01 +0530 X-Mailer: git-send-email 2.14.5 X-TM-AS-GCONF: 00 x-cbid: 19121007-0012-0000-0000-000003736220 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19121007-0013-0000-0000-000021AF3337 Message-Id: <20191210071904.31013-1-bala24@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.95,18.0.572 definitions=2019-12-10_01:2019-12-10,2019-12-10 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=5 spamscore=0 mlxscore=0 adultscore=0 mlxlogscore=616 priorityscore=1501 malwarescore=0 lowpriorityscore=0 clxscore=1011 phishscore=0 bulkscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-1910280000 definitions=main-1912100065 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: ravi.bangoria@linux.ibm.com, Balamuruhan S , paulus@samba.org, sandipan@linux.ibm.com, naveen.n.rao@linux.vnet.ibm.com, linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Hi All, This patchset adds support to emulate divde, divde., divdeu and divdeu. instructions and testcases for it. I would request for your review and suggestions for making it better. Boot Log: -------- :: :: :: :: [ 2.732268] emulate_step_test: divde : RA = LONG_MIN, RB = LONG_MIN PASS [ 2.732628] emulate_step_test: divde : RA = 1L, RB = 0 PASS [ 2.732991] emulate_step_test: divde : RA = LONG_MIN, RB = LONG_MAX PASS [ 2.733436] emulate_step_test: divde. : RA = LONG_MIN, RB = LONG_MIN PASS [ 2.733813] emulate_step_test: divde. : RA = 1L, RB = 0 PASS [ 2.734537] emulate_step_test: divde. : RA = LONG_MIN, RB = LONG_MAX PASS [ 2.735555] emulate_step_test: divdeu : RA = LONG_MIN, RB = LONG_MIN PASS [ 2.736348] emulate_step_test: divdeu : RA = 1L, RB = 0 PASS [ 2.736986] emulate_step_test: divdeu : RA = LONG_MIN, RB = LONG_MAX PASS [ 2.737417] emulate_step_test: divdeu : RA = LONG_MAX - 1, RB = LONG_MAX PASS [ 2.737778] emulate_step_test: divdeu : RA = LONG_MIN + 1, RB = LONG_MIN PASS [ 2.738155] emulate_step_test: divdeu. : RA = LONG_MIN, RB = LONG_MIN PASS [ 2.738530] emulate_step_test: divdeu. : RA = 1L, RB = 0 PASS [ 2.738900] emulate_step_test: divdeu. : RA = LONG_MIN, RB = LONG_MAX PASS [ 2.739254] emulate_step_test: divdeu. : RA = LONG_MAX - 1, RB = LONG_MAX PASS [ 2.740228] emulate_step_test: divdeu. : RA = LONG_MIN + 1, RB = LONG_MIN PASS [ 2.751784] registered taskstats version 1 [ 2.757052] printk: console [netcon0] enabled [ 2.757191] netconsole: network logging started [ 2.757466] hctosys: unable to open rtc device (rtc0) [ 2.921837] Freeing unused kernel memory: 4864K [ 2.922021] This architecture does not have kernel memory protection. [ 2.922203] Run /init as init process [ 3.183894] mount (54) used greatest stack depth: 12224 bytes left Welcome to Buildroot buildroot login: Balamuruhan S (3): powerpc ppc-opcode: add divde, divde_dot, divdeu and divdeu_dot opcodes powerpc sstep: add support for divde[.] and divdeu[.] instructions powerpc test_emulate_step: add testcases for divde[.] and divdeu[.] instructions arch/powerpc/include/asm/ppc-opcode.h | 16 ++++ arch/powerpc/lib/sstep.c | 27 +++++- arch/powerpc/lib/test_emulate_step.c | 164 ++++++++++++++++++++++++++++++++++ 3 files changed, 206 insertions(+), 1 deletion(-) base-commit: 42159d2de18ffa66c2714d988a8c162db8b03956 -- 2.14.5