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bh=tt73rM8NJ5DyayJocaDCA2D//CCHTDJSW/fH1beXtOQ=; b=EKvJcODb5RR/UT5nK2zjbVf/R9owMg3qSG4VU4C94h702OEBlqGjko87n3c/32XkdD2OS4 Ml7rCPtZiS3ccQI8J1OS7wGiOq+SPXvHiCET8cbTHzFZ8/uRJwfXOeGX2HyttMTGBTHIku EBl8lzRZ3q0VziHPR6AgUgCuWGrv4vg= X-MC-Unique: twm9V-ZePrOcKeVCkwxu8w-1 From: Thomas Huth To: qemu-devel@nongnu.org, Richard Henderson Cc: Ilya Leoshkevich , qemu-stable@nongnu.org, David Hildenbrand Subject: [PULL 02/18] tests/tcg/s390x: Test LCBB Date: Tue, 6 Jun 2023 07:56:05 +0200 Message-Id: <20230606055621.523175-3-thuth@redhat.com> In-Reply-To: <20230606055621.523175-1-thuth@redhat.com> References: <20230606055621.523175-1-thuth@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.1 on 10.11.54.6 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; 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, 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1686031087686100003 Content-Type: text/plain; charset="utf-8" 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 --- tests/tcg/s390x/lcbb.c | 51 +++++++++++++++++++++++++++++++++ tests/tcg/s390x/Makefile.target | 1 + 2 files changed, 52 insertions(+) create mode 100644 tests/tcg/s390x/lcbb.c 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] "=3Dr" (*cc) + : [dxb2] "R" (*(char *)dxb2), [m3] "i" (m3) + : "cc"); + *cc =3D (*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 =3D 0xfedcba9876543210; + int cc; + + lcbb(&r1, p, m3, &cc); + assert(r1 =3D=3D (0xfedcba9800000000 | exp_r1)); + assert(cc =3D=3D 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; +} diff --git a/tests/tcg/s390x/Makefile.target b/tests/tcg/s390x/Makefile.tar= get index 23dc8b6a63..4ed07c6ab0 100644 --- a/tests/tcg/s390x/Makefile.target +++ b/tests/tcg/s390x/Makefile.target @@ -47,6 +47,7 @@ $(PGM_SPECIFICATION_TESTS): LDFLAGS+=3Dpgm-specification-= user.o TESTS +=3D $(PGM_SPECIFICATION_TESTS) =20 Z13_TESTS=3Dvistr +Z13_TESTS+=3Dlcbb $(Z13_TESTS): CFLAGS+=3D-march=3Dz13 -O2 TESTS+=3D$(Z13_TESTS) =20 --=20 2.31.1