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=-6.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=ham 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 167B4C10F14 for ; Thu, 10 Oct 2019 11:58:55 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id DD5FD208C3 for ; Thu, 10 Oct 2019 11:58:54 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DD5FD208C3 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:36828 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iIX5p-00074q-TA for qemu-devel@archiver.kernel.org; Thu, 10 Oct 2019 07:58:53 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:50583) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iIWjn-0005Sz-Mq for qemu-devel@nongnu.org; Thu, 10 Oct 2019 07:36:12 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iIWjm-0006QO-Ja for qemu-devel@nongnu.org; Thu, 10 Oct 2019 07:36:07 -0400 Received: from mx1.redhat.com ([209.132.183.28]:48114) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iIWjm-0006QE-AK; Thu, 10 Oct 2019 07:36:06 -0400 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 7F27010CC1E3; Thu, 10 Oct 2019 11:36:05 +0000 (UTC) Received: from t460s.redhat.com (ovpn-117-138.ams2.redhat.com [10.36.117.138]) by smtp.corp.redhat.com (Postfix) with ESMTP id B9B9B5E1C2; Thu, 10 Oct 2019 11:35:49 +0000 (UTC) From: David Hildenbrand To: Peter Maydell , qemu-devel@nongnu.org Subject: [PULL 22/31] target/s390x: Return exception from translate_pages Date: Thu, 10 Oct 2019 13:33:47 +0200 Message-Id: <20191010113356.5017-23-david@redhat.com> In-Reply-To: <20191010113356.5017-1-david@redhat.com> References: <20191010113356.5017-1-david@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.6.2 (mx1.redhat.com [10.5.110.65]); Thu, 10 Oct 2019 11:36:05 +0000 (UTC) Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-s390x@nongnu.org, Cornelia Huck , Richard Henderson , Thomas Huth , David Hildenbrand Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Richard Henderson Do not raise the exception directly within translate_pages, but pass it back so that caller may do so. Reviewed-by: David Hildenbrand Signed-off-by: Richard Henderson Message-Id: <20191001171614.8405-11-richard.henderson@linaro.org> Signed-off-by: David Hildenbrand --- target/s390x/mmu_helper.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) diff --git a/target/s390x/mmu_helper.c b/target/s390x/mmu_helper.c index 001d0a9c8a..869debd30a 100644 --- a/target/s390x/mmu_helper.c +++ b/target/s390x/mmu_helper.c @@ -451,25 +451,22 @@ nodat: * the MEMOP interface. */ static int translate_pages(S390CPU *cpu, vaddr addr, int nr_pages, - target_ulong *pages, bool is_write) + target_ulong *pages, bool is_write, uint64_t = *tec) { uint64_t asc =3D cpu->env.psw.mask & PSW_MASK_ASC; CPUS390XState *env =3D &cpu->env; int ret, i, pflags; =20 for (i =3D 0; i < nr_pages; i++) { - uint64_t tec; - - ret =3D mmu_translate(env, addr, is_write, asc, &pages[i], &pfla= gs, &tec); + ret =3D mmu_translate(env, addr, is_write, asc, &pages[i], &pfla= gs, tec); if (ret) { - trigger_access_exception(env, ret, ILEN_AUTO, tec); - return -EFAULT; + return ret; } if (!address_space_access_valid(&address_space_memory, pages[i], TARGET_PAGE_SIZE, is_write, MEMTXATTRS_UNSPECIFIED)) { - trigger_access_exception(env, PGM_ADDRESSING, ILEN_AUTO, 0); - return -EFAULT; + *tec =3D 0; /* unused */ + return PGM_ADDRESSING; } addr +=3D TARGET_PAGE_SIZE; } @@ -497,6 +494,7 @@ int s390_cpu_virt_mem_rw(S390CPU *cpu, vaddr laddr, u= int8_t ar, void *hostbuf, { int currlen, nr_pages, i; target_ulong *pages; + uint64_t tec; int ret; =20 if (kvm_enabled()) { @@ -510,8 +508,10 @@ int s390_cpu_virt_mem_rw(S390CPU *cpu, vaddr laddr, = uint8_t ar, void *hostbuf, + 1; pages =3D g_malloc(nr_pages * sizeof(*pages)); =20 - ret =3D translate_pages(cpu, laddr, nr_pages, pages, is_write); - if (ret =3D=3D 0 && hostbuf !=3D NULL) { + ret =3D translate_pages(cpu, laddr, nr_pages, pages, is_write, &tec)= ; + if (ret) { + trigger_access_exception(&cpu->env, ret, ILEN_AUTO, tec); + } else if (hostbuf !=3D NULL) { /* Copy data by stepping through the area page by page */ for (i =3D 0; i < nr_pages; i++) { currlen =3D MIN(len, TARGET_PAGE_SIZE - (laddr % TARGET_PAGE= _SIZE)); --=20 2.21.0