From patchwork Wed Oct 4 15:41:44 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Halil Pasic X-Patchwork-Id: 9984941 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 97FA060291 for ; Wed, 4 Oct 2017 15:46:08 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8988A28B08 for ; Wed, 4 Oct 2017 15:46:08 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7E39428B3C; Wed, 4 Oct 2017 15:46:08 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 4A4A728B08 for ; Wed, 4 Oct 2017 15:46:07 +0000 (UTC) Received: from localhost ([::1]:35719 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dzls6-0004mF-DI for patchwork-qemu-devel@patchwork.kernel.org; Wed, 04 Oct 2017 11:46:06 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:37162) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dzloF-00029D-1F for qemu-devel@nongnu.org; Wed, 04 Oct 2017 11:42:15 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dzloA-0003RB-Ie for qemu-devel@nongnu.org; Wed, 04 Oct 2017 11:42:07 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:44604 helo=mx0a-001b2d01.pphosted.com) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dzloA-0003QG-Cn for qemu-devel@nongnu.org; Wed, 04 Oct 2017 11:42:02 -0400 Received: from pps.filterd (m0098419.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id v94FeSrn116281 for ; Wed, 4 Oct 2017 11:42:01 -0400 Received: from e06smtp10.uk.ibm.com (e06smtp10.uk.ibm.com [195.75.94.106]) by mx0b-001b2d01.pphosted.com with ESMTP id 2dcxvfe6fq-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Wed, 04 Oct 2017 11:42:01 -0400 Received: from localhost by e06smtp10.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; Wed, 4 Oct 2017 16:41:58 +0100 Received: from d06av22.portsmouth.uk.ibm.com (d06av22.portsmouth.uk.ibm.com [9.149.105.58]) by b06cxnps4075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id v94Ffver18088126; Wed, 4 Oct 2017 15:41:57 GMT Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 933474C044; Wed, 4 Oct 2017 16:38:03 +0100 (BST) Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 6016C4C040; Wed, 4 Oct 2017 16:38:03 +0100 (BST) Received: from tuxmaker.boeblingen.de.ibm.com (unknown [9.152.85.9]) by d06av22.portsmouth.uk.ibm.com (Postfix) with ESMTPS; Wed, 4 Oct 2017 16:38:03 +0100 (BST) From: Halil Pasic To: Cornelia Huck , "Dong Jia Shi" Date: Wed, 4 Oct 2017 17:41:44 +0200 X-Mailer: git-send-email 2.13.5 In-Reply-To: <20171004154144.88995-1-pasic@linux.vnet.ibm.com> References: <20171004154144.88995-1-pasic@linux.vnet.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 17100415-0040-0000-0000-000003DF6147 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 17100415-0041-0000-0000-000025E0CCAB Message-Id: <20171004154144.88995-9-pasic@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2017-10-04_07:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=0 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1707230000 definitions=main-1710040220 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] [fuzzy] X-Received-From: 148.163.158.5 Subject: [Qemu-devel] [PATCH v2 8/8] s390x: factor out common ioinst handler logic X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Thomas Huth , Halil Pasic , Pierre Morel , qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP Some of ioinst the handlers look very much the same: they basically delegate the work to the appropriate css function (doing some always the same stuff before and after the call to the appropriate css function). Let us create a template and get rid of some code. Signed-off-by: Halil Pasic Suggested-by: Marc Hartmayer --- target/s390x/ioinst.c | 59 ++++++++++++--------------------------------------- 1 file changed, 14 insertions(+), 45 deletions(-) diff --git a/target/s390x/ioinst.c b/target/s390x/ioinst.c index 0c256baa70..9c7d6a222c 100644 --- a/target/s390x/ioinst.c +++ b/target/s390x/ioinst.c @@ -38,7 +38,10 @@ int ioinst_disassemble_sch_ident(uint32_t value, int *m, int *cssid, int *ssid, return 0; } -void ioinst_handle_xsch(S390CPU *cpu, uint64_t reg1) +/* many ionst handlers look the same: they just delegate to a some css func */ +static void ioinst_handler_template_sch(S390CPU *cpu, uint64_t reg1, + const char *iname, + IOInstEnding (*handler_css)(SubchDev *)) { int cssid, ssid, schid, m; SubchDev *sch; @@ -47,49 +50,28 @@ void ioinst_handle_xsch(S390CPU *cpu, uint64_t reg1) program_interrupt(&cpu->env, PGM_OPERAND, 4); return; } - trace_ioinst_sch_id("xsch", cssid, ssid, schid); + trace_ioinst_sch_id(iname, cssid, ssid, schid); sch = css_find_subch(m, cssid, ssid, schid); if (!sch || !css_subch_visible(sch)) { setcc(cpu, 3); return; } - setcc(cpu, css_do_xsch(sch).cc); + setcc(cpu, handler_css(sch).cc); } -void ioinst_handle_csch(S390CPU *cpu, uint64_t reg1) +void ioinst_handle_xsch(S390CPU *cpu, uint64_t reg1) { - int cssid, ssid, schid, m; - SubchDev *sch; + ioinst_handler_template_sch(cpu, reg1, "xsch", css_do_xsch); +} - if (ioinst_disassemble_sch_ident(reg1, &m, &cssid, &ssid, &schid)) { - program_interrupt(&cpu->env, PGM_OPERAND, 4); - return; - } - trace_ioinst_sch_id("csch", cssid, ssid, schid); - sch = css_find_subch(m, cssid, ssid, schid); - if (!sch || !css_subch_visible(sch)) { - setcc(cpu, 3); - return; - } - setcc(cpu, css_do_csch(sch).cc); +void ioinst_handle_csch(S390CPU *cpu, uint64_t reg1) +{ + ioinst_handler_template_sch(cpu, reg1, "csch", css_do_csch); } void ioinst_handle_hsch(S390CPU *cpu, uint64_t reg1) { - int cssid, ssid, schid, m; - SubchDev *sch; - - if (ioinst_disassemble_sch_ident(reg1, &m, &cssid, &ssid, &schid)) { - program_interrupt(&cpu->env, PGM_OPERAND, 4); - return; - } - trace_ioinst_sch_id("hsch", cssid, ssid, schid); - sch = css_find_subch(m, cssid, ssid, schid); - if (!sch || !css_subch_visible(sch)) { - setcc(cpu, 3); - return; - } - setcc(cpu, css_do_hsch(sch).cc); + ioinst_handler_template_sch(cpu, reg1, "hsch", css_do_hsch); } static int ioinst_schib_valid(SCHIB *schib) @@ -707,20 +689,7 @@ void ioinst_handle_schm(S390CPU *cpu, uint64_t reg1, uint64_t reg2, void ioinst_handle_rsch(S390CPU *cpu, uint64_t reg1) { - int cssid, ssid, schid, m; - SubchDev *sch; - - if (ioinst_disassemble_sch_ident(reg1, &m, &cssid, &ssid, &schid)) { - program_interrupt(&cpu->env, PGM_OPERAND, 4); - return; - } - trace_ioinst_sch_id("rsch", cssid, ssid, schid); - sch = css_find_subch(m, cssid, ssid, schid); - if (!sch || !css_subch_visible(sch)) { - setcc(cpu, 3); - return; - } - setcc(cpu, css_do_rsch(sch).cc); + ioinst_handler_template_sch(cpu, reg1, "rsch", css_do_rsch); } #define RCHP_REG1_RES(_reg) (_reg & 0x00000000ff00ff00)