From patchwork Mon Jun 26 18:49:25 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Tokarev X-Patchwork-Id: 1800083 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4QqcST2G8Nz242F for ; Tue, 27 Jun 2023 04:53:45 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qDrJZ-0005JD-GE; Mon, 26 Jun 2023 14:51:53 -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 1qDrJX-0005Fx-AZ; Mon, 26 Jun 2023 14:51:51 -0400 Received: from isrv.corpit.ru ([86.62.121.231]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qDrJV-00051Y-JQ; Mon, 26 Jun 2023 14:51:51 -0400 Received: from tsrv.corpit.ru (tsrv.tls.msk.ru [192.168.177.2]) by isrv.corpit.ru (Postfix) with ESMTP id 8A01AEF29; Mon, 26 Jun 2023 21:50:21 +0300 (MSK) Received: from tls.msk.ru (mjt.wg.tls.msk.ru [192.168.177.130]) by tsrv.corpit.ru (Postfix) with SMTP id 1EFE6F7B8; Mon, 26 Jun 2023 21:50:20 +0300 (MSK) Received: (nullmailer pid 1574012 invoked by uid 1000); Mon, 26 Jun 2023 18:50:16 -0000 From: Michael Tokarev To: qemu-devel@nongnu.org, qemu-stable@nongnu.org Cc: Ilya Leoshkevich , David Hildenbrand , Richard Henderson , Thomas Huth , Michael Tokarev Subject: [Stable-8.0.3 18/54] tests/tcg/s390x: Test LCBB Date: Mon, 26 Jun 2023 21:49:25 +0300 Message-Id: <20230626185002.1573836-18-mjt@tls.msk.ru> X-Mailer: git-send-email 2.39.2 In-Reply-To: References: MIME-Version: 1.0 Received-SPF: pass client-ip=86.62.121.231; envelope-from=mjt@tls.msk.ru; helo=isrv.corpit.ru X-Spam_score_int: -68 X-Spam_score: -6.9 X-Spam_bar: ------ X-Spam_report: (-6.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_HI=-5, 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Ilya Leoshkevich Add a test to prevent regressions. Cc: qemu-stable@nongnu.org Signed-off-by: Ilya Leoshkevich Message-Id: <20230526181240.1425579-3-iii@linux.ibm.com> Reviewed-by: David Hildenbrand Acked-by: Richard Henderson Signed-off-by: Thomas Huth (cherry picked from commit 05d000fb4dcac4bc02ffa08fcf14b51683b878f6) Signed-off-by: Michael Tokarev diff --git a/tests/tcg/s390x/Makefile.target b/tests/tcg/s390x/Makefile.target index 23dc8b6a63..4ed07c6ab0 100644 --- a/tests/tcg/s390x/Makefile.target +++ b/tests/tcg/s390x/Makefile.target @@ -47,6 +47,7 @@ $(PGM_SPECIFICATION_TESTS): LDFLAGS+=pgm-specification-user.o TESTS += $(PGM_SPECIFICATION_TESTS) Z13_TESTS=vistr +Z13_TESTS+=lcbb $(Z13_TESTS): CFLAGS+=-march=z13 -O2 TESTS+=$(Z13_TESTS) diff --git a/tests/tcg/s390x/lcbb.c b/tests/tcg/s390x/lcbb.c new file mode 100644 index 0000000000..8d368e0998 --- /dev/null +++ b/tests/tcg/s390x/lcbb.c @@ -0,0 +1,51 @@ +/* + * Test the LCBB instruction. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ +#include +#include + +static inline __attribute__((__always_inline__)) void +lcbb(long *r1, void *dxb2, int m3, int *cc) +{ + asm("lcbb %[r1],%[dxb2],%[m3]\n" + "ipm %[cc]" + : [r1] "+r" (*r1), [cc] "=r" (*cc) + : [dxb2] "R" (*(char *)dxb2), [m3] "i" (m3) + : "cc"); + *cc = (*cc >> 28) & 3; +} + +static char buf[0x1000] __attribute__((aligned(0x1000))); + +static inline __attribute__((__always_inline__)) void +test_lcbb(void *p, int m3, int exp_r1, int exp_cc) +{ + long r1 = 0xfedcba9876543210; + int cc; + + lcbb(&r1, p, m3, &cc); + assert(r1 == (0xfedcba9800000000 | exp_r1)); + assert(cc == exp_cc); +} + +int main(void) +{ + test_lcbb(&buf[0], 0, 16, 0); + test_lcbb(&buf[63], 0, 1, 3); + test_lcbb(&buf[0], 1, 16, 0); + test_lcbb(&buf[127], 1, 1, 3); + test_lcbb(&buf[0], 2, 16, 0); + test_lcbb(&buf[255], 2, 1, 3); + test_lcbb(&buf[0], 3, 16, 0); + test_lcbb(&buf[511], 3, 1, 3); + test_lcbb(&buf[0], 4, 16, 0); + test_lcbb(&buf[1023], 4, 1, 3); + test_lcbb(&buf[0], 5, 16, 0); + test_lcbb(&buf[2047], 5, 1, 3); + test_lcbb(&buf[0], 6, 16, 0); + test_lcbb(&buf[4095], 6, 1, 3); + + return EXIT_SUCCESS; +}