From patchwork Tue Nov 7 18:32:24 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Huth X-Patchwork-Id: 13449194 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 C710CC4332F for ; Tue, 7 Nov 2023 18:34:23 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1r0Qsb-0002si-1M; Tue, 07 Nov 2023 13:32:49 -0500 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 1r0QsZ-0002ql-Q6 for qemu-devel@nongnu.org; Tue, 07 Nov 2023 13:32:47 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1r0QsY-0007PU-5r for qemu-devel@nongnu.org; Tue, 07 Nov 2023 13:32:47 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1699381965; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=ubA66O50Knk7PN+0Jzi5BAyjq6VNaG1ymKy8TI/O8AQ=; b=bOjtjizeTxVrndkmLKjDpgzTgzaAoNhU/UMETnbG5/TGPB4fv28y34j7YOkMmBqbK3aKcT sxIJH1psw53J8LJmkIDNQv3luue1Y+/2K7yy+c5ejNhbeVTwWEsFGk7WWBRwNMjCmvFSSD zNy1YZxvLzoBChkjohoUcDunUJJsc7w= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-490-Ps3OYlFJPkeogs2V8TKbYA-1; Tue, 07 Nov 2023 13:32:43 -0500 X-MC-Unique: Ps3OYlFJPkeogs2V8TKbYA-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 1BBB3811E86; Tue, 7 Nov 2023 18:32:43 +0000 (UTC) Received: from thuth-p1g4.redhat.com (unknown [10.39.192.124]) by smtp.corp.redhat.com (Postfix) with ESMTP id 87C222166B26; Tue, 7 Nov 2023 18:32:41 +0000 (UTC) From: Thomas Huth To: qemu-devel@nongnu.org Cc: Stefan Hajnoczi , Ilya Leoshkevich , Richard Henderson Subject: [PULL 07/11] tests/tcg/s390x: Test CLC with inaccessible second operand Date: Tue, 7 Nov 2023 19:32:24 +0100 Message-ID: <20231107183228.276424-8-thuth@redhat.com> In-Reply-To: <20231107183228.276424-1-thuth@redhat.com> References: <20231107183228.276424-1-thuth@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.6 Received-SPF: pass client-ip=170.10.133.124; envelope-from=thuth@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, 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 From: Ilya Leoshkevich Add a small test to prevent regressions. Signed-off-by: Ilya Leoshkevich Reviewed-by: Richard Henderson Message-ID: <20231106093605.1349201-3-iii@linux.ibm.com> Signed-off-by: Thomas Huth --- tests/tcg/s390x/clc.c | 48 +++++++++++++++++++++++++++++++++ tests/tcg/s390x/Makefile.target | 1 + 2 files changed, 49 insertions(+) create mode 100644 tests/tcg/s390x/clc.c diff --git a/tests/tcg/s390x/clc.c b/tests/tcg/s390x/clc.c new file mode 100644 index 0000000000..e14189bd75 --- /dev/null +++ b/tests/tcg/s390x/clc.c @@ -0,0 +1,48 @@ +/* + * Test the CLC instruction. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ +#include +#include +#include +#include +#include + +static void handle_sigsegv(int sig, siginfo_t *info, void *ucontext) +{ + mcontext_t *mcontext = &((ucontext_t *)ucontext)->uc_mcontext; + if (mcontext->gregs[0] != 600) { + write(STDERR_FILENO, "bad r0\n", 7); + _exit(EXIT_FAILURE); + } + if (((mcontext->psw.mask >> 44) & 3) != 1) { + write(STDERR_FILENO, "bad cc\n", 7); + _exit(EXIT_FAILURE); + } + _exit(EXIT_SUCCESS); +} + +int main(void) +{ + register unsigned long r0 asm("r0"); + unsigned long mem = 42, rhs = 500; + struct sigaction act; + int err; + + memset(&act, 0, sizeof(act)); + act.sa_sigaction = handle_sigsegv; + act.sa_flags = SA_SIGINFO; + err = sigaction(SIGSEGV, &act, NULL); + assert(err == 0); + + r0 = 100; + asm("algr %[r0],%[rhs]\n" + "clc 0(8,%[mem]),0(0)\n" /* The 2nd operand will cause a SEGV. */ + : [r0] "+r" (r0) + : [mem] "r" (&mem) + , [rhs] "r" (rhs) + : "cc", "memory"); + + return EXIT_FAILURE; +} diff --git a/tests/tcg/s390x/Makefile.target b/tests/tcg/s390x/Makefile.target index 826f0a18e4..ccd4f4e68d 100644 --- a/tests/tcg/s390x/Makefile.target +++ b/tests/tcg/s390x/Makefile.target @@ -41,6 +41,7 @@ TESTS+=larl TESTS+=mdeb TESTS+=cgebra TESTS+=clgebr +TESTS+=clc cdsg: CFLAGS+=-pthread cdsg: LDFLAGS+=-pthread