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Mon, 3 Jul 2023 15:58:09 GMT Received: from smtpav03.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id A388B20043; Mon, 3 Jul 2023 15:58:09 +0000 (GMT) Received: from smtpav03.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 7221520040; Mon, 3 Jul 2023 15:58:09 +0000 (GMT) Received: from heavy.boeblingen.de.ibm.com (unknown [9.155.200.166]) by smtpav03.fra02v.mail.ibm.com (Postfix) with ESMTP; Mon, 3 Jul 2023 15:58:09 +0000 (GMT) From: Ilya Leoshkevich To: Laurent Vivier , Richard Henderson , David Hildenbrand Cc: Thomas Huth , qemu-devel@nongnu.org, qemu-s390x@nongnu.org, Ilya Leoshkevich Subject: [PATCH 01/12] linux-user: elfload: Add more initial s390x PSW bits Date: Mon, 3 Jul 2023 17:50:27 +0200 Message-ID: <20230703155801.179167-2-iii@linux.ibm.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230703155801.179167-1-iii@linux.ibm.com> References: <20230703155801.179167-1-iii@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: 3kz4LTYAjsUO8ZSMc4FFN1B_HgYCPXSJ X-Proofpoint-ORIG-GUID: SReZKMNWj5nyJTBBM7KSk9M5afeyuPJF X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-07-03_11,2023-06-30_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 mlxscore=0 lowpriorityscore=0 impostorscore=0 malwarescore=0 adultscore=0 suspectscore=0 phishscore=0 spamscore=0 priorityscore=1501 bulkscore=0 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2305260000 definitions=main-2307030141 Received-SPF: pass client-ip=148.163.156.1; envelope-from=iii@linux.ibm.com; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H5=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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Make the PSW look more similar to the real s390x userspace PSW. Except for being there, the newly added bits should not affect the userspace code execution. Signed-off-by: Ilya Leoshkevich Reviewed-by: David Hildenbrand --- linux-user/elfload.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/linux-user/elfload.c b/linux-user/elfload.c index 6900974c373..7935110bff4 100644 --- a/linux-user/elfload.c +++ b/linux-user/elfload.c @@ -1635,7 +1635,9 @@ const char *elf_hwcap_str(uint32_t bit) static inline void init_thread(struct target_pt_regs *regs, struct image_info *infop) { regs->psw.addr = infop->entry; - regs->psw.mask = PSW_MASK_64 | PSW_MASK_32; + regs->psw.mask = PSW_MASK_DAT | PSW_MASK_IO | PSW_MASK_EXT | \ + PSW_MASK_MCHECK | PSW_MASK_PSTATE | PSW_MASK_64 | \ + PSW_MASK_32; regs->gprs[15] = infop->start_stack; } From patchwork Mon Jul 3 15:50:28 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ilya Leoshkevich X-Patchwork-Id: 1802859 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; 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Mon, 3 Jul 2023 15:58:11 +0000 (GMT) Received: from smtpav03.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 60F3C20040; Mon, 3 Jul 2023 15:58:11 +0000 (GMT) Received: from heavy.boeblingen.de.ibm.com (unknown [9.155.200.166]) by smtpav03.fra02v.mail.ibm.com (Postfix) with ESMTP; Mon, 3 Jul 2023 15:58:11 +0000 (GMT) From: Ilya Leoshkevich To: Laurent Vivier , Richard Henderson , David Hildenbrand Cc: Thomas Huth , qemu-devel@nongnu.org, qemu-s390x@nongnu.org, Ilya Leoshkevich , qemu-stable@nongnu.org Subject: [PATCH 02/12] target/s390x: Fix EPSW CC reporting Date: Mon, 3 Jul 2023 17:50:28 +0200 Message-ID: <20230703155801.179167-3-iii@linux.ibm.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230703155801.179167-1-iii@linux.ibm.com> References: <20230703155801.179167-1-iii@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: BKGreyoMhaz8jNEPjJjPJVR2pRoPF_gr X-Proofpoint-GUID: KS0yvvGva-dshk8K1lakiSG1ctFELAKj X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-07-03_11,2023-06-30_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 mlxlogscore=999 spamscore=0 suspectscore=0 priorityscore=1501 impostorscore=0 mlxscore=0 malwarescore=0 bulkscore=0 adultscore=0 phishscore=0 clxscore=1011 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2305260000 definitions=main-2307030141 Received-SPF: pass client-ip=148.163.158.5; envelope-from=iii@linux.ibm.com; helo=mx0b-001b2d01.pphosted.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H5=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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org EPSW should explicitly calculate and insert CC, like IPM does. Fixes: e30a9d3fea58 ("target-s390: Implement EPSW") Cc: qemu-stable@nongnu.org Signed-off-by: Ilya Leoshkevich Reviewed-by: David Hildenbrand --- target/s390x/tcg/translate.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/target/s390x/tcg/translate.c b/target/s390x/tcg/translate.c index a6ee2d44234..0cef6efbef4 100644 --- a/target/s390x/tcg/translate.c +++ b/target/s390x/tcg/translate.c @@ -2383,10 +2383,14 @@ static DisasJumpType op_epsw(DisasContext *s, DisasOps *o) int r1 = get_field(s, r1); int r2 = get_field(s, r2); TCGv_i64 t = tcg_temp_new_i64(); + TCGv_i64 t_cc = tcg_temp_new_i64(); /* Note the "subsequently" in the PoO, which implies a defined result if r1 == r2. Thus we cannot defer these writes to an output hook. */ + gen_op_calc_cc(s); + tcg_gen_extu_i32_i64(t_cc, cc_op); tcg_gen_shri_i64(t, psw_mask, 32); + tcg_gen_deposit_i64(t, t, t_cc, 12, 2); store_reg32_i64(r1, t); if (r2 != 0) { store_reg32_i64(r2, psw_mask); From patchwork Mon Jul 3 15:50:29 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ilya Leoshkevich X-Patchwork-Id: 1802865 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=) Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=ibm.com header.i=@ibm.com header.a=rsa-sha256 header.s=pp1 header.b=P41se64f; dkim-atps=neutral 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 4QvrGW4QCQz20bT for ; 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Mon, 3 Jul 2023 15:58:16 GMT Received: from smtprelay06.fra02v.mail.ibm.com ([9.218.2.230]) by ppma04ams.nl.ibm.com (PPS) with ESMTPS id 3rjbs4sdd9-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 03 Jul 2023 15:58:15 +0000 Received: from smtpav03.fra02v.mail.ibm.com (smtpav03.fra02v.mail.ibm.com [10.20.54.102]) by smtprelay06.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 363FwDRW35390184 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 3 Jul 2023 15:58:13 GMT Received: from smtpav03.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 8876A20043; Mon, 3 Jul 2023 15:58:13 +0000 (GMT) Received: from smtpav03.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 5DC7920040; Mon, 3 Jul 2023 15:58:13 +0000 (GMT) Received: from heavy.boeblingen.de.ibm.com (unknown [9.155.200.166]) by smtpav03.fra02v.mail.ibm.com (Postfix) with ESMTP; Mon, 3 Jul 2023 15:58:13 +0000 (GMT) From: Ilya Leoshkevich To: Laurent Vivier , Richard Henderson , David Hildenbrand Cc: Thomas Huth , qemu-devel@nongnu.org, qemu-s390x@nongnu.org, Ilya Leoshkevich , qemu-stable@nongnu.org Subject: [PATCH 03/12] target/s390x: Fix MDEB and MDEBR Date: Mon, 3 Jul 2023 17:50:29 +0200 Message-ID: <20230703155801.179167-4-iii@linux.ibm.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230703155801.179167-1-iii@linux.ibm.com> References: <20230703155801.179167-1-iii@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: 8rOP0-D_Jq7RBWqZp1J6sElr3xjTftvk X-Proofpoint-GUID: vfPBPQHCbecWVAv_RARyKLEz2lFfEkdK X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-07-03_11,2023-06-30_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 mlxlogscore=730 spamscore=0 suspectscore=0 priorityscore=1501 impostorscore=0 mlxscore=0 malwarescore=0 bulkscore=0 adultscore=0 phishscore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2305260000 definitions=main-2307030141 Received-SPF: pass client-ip=148.163.158.5; envelope-from=iii@linux.ibm.com; helo=mx0b-001b2d01.pphosted.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H5=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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org These instructions multiply 32 bits by 32 bits, not 32 bits by 64 bits. Fixes: 83b00736f3d8 ("target-s390: Convert FP MULTIPLY") Cc: qemu-stable@nongnu.org Signed-off-by: Ilya Leoshkevich Reviewed-by: David Hildenbrand --- target/s390x/tcg/fpu_helper.c | 3 ++- target/s390x/tcg/insn-data.h.inc | 4 ++-- 2 files changed, 4 insertions(+), 3 deletions(-) diff --git a/target/s390x/tcg/fpu_helper.c b/target/s390x/tcg/fpu_helper.c index 57e58292833..4b7fa58af3e 100644 --- a/target/s390x/tcg/fpu_helper.c +++ b/target/s390x/tcg/fpu_helper.c @@ -306,8 +306,9 @@ uint64_t HELPER(mdb)(CPUS390XState *env, uint64_t f1, uint64_t f2) /* 64/32-bit FP multiplication */ uint64_t HELPER(mdeb)(CPUS390XState *env, uint64_t f1, uint64_t f2) { + float64 f1_64 = float32_to_float64(f1, &env->fpu_status); float64 ret = float32_to_float64(f2, &env->fpu_status); - ret = float64_mul(f1, ret, &env->fpu_status); + ret = float64_mul(f1_64, ret, &env->fpu_status); handle_exceptions(env, false, GETPC()); return ret; } diff --git a/target/s390x/tcg/insn-data.h.inc b/target/s390x/tcg/insn-data.h.inc index 0a45dbbcda8..457ed25d2fa 100644 --- a/target/s390x/tcg/insn-data.h.inc +++ b/target/s390x/tcg/insn-data.h.inc @@ -667,11 +667,11 @@ F(0xb317, MEEBR, RRE, Z, e1, e2, new, e1, meeb, 0, IF_BFP) F(0xb31c, MDBR, RRE, Z, f1, f2, new, f1, mdb, 0, IF_BFP) F(0xb34c, MXBR, RRE, Z, x1, x2, new_x, x1, mxb, 0, IF_BFP) - F(0xb30c, MDEBR, RRE, Z, f1, e2, new, f1, mdeb, 0, IF_BFP) + F(0xb30c, MDEBR, RRE, Z, e1, e2, new, f1, mdeb, 0, IF_BFP) F(0xb307, MXDBR, RRE, Z, f1, f2, new_x, x1, mxdb, 0, IF_BFP) F(0xed17, MEEB, RXE, Z, e1, m2_32u, new, e1, meeb, 0, IF_BFP) F(0xed1c, MDB, RXE, Z, f1, m2_64, new, f1, mdb, 0, IF_BFP) - F(0xed0c, MDEB, RXE, Z, f1, m2_32u, new, f1, mdeb, 0, IF_BFP) + F(0xed0c, MDEB, RXE, Z, e1, m2_32u, new, f1, mdeb, 0, IF_BFP) F(0xed07, MXDB, RXE, Z, f1, m2_64, new_x, x1, mxdb, 0, IF_BFP) /* MULTIPLY HALFWORD */ C(0x4c00, MH, RX_a, Z, r1_o, m2_16s, new, r1_32, mul, 0) From patchwork Mon Jul 3 15:50:30 2023 Content-Type: text/plain; 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Mon, 3 Jul 2023 15:58:15 GMT Received: from smtpav03.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id CC0F420043; Mon, 3 Jul 2023 15:58:15 +0000 (GMT) Received: from smtpav03.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 9768820040; Mon, 3 Jul 2023 15:58:15 +0000 (GMT) Received: from heavy.boeblingen.de.ibm.com (unknown [9.155.200.166]) by smtpav03.fra02v.mail.ibm.com (Postfix) with ESMTP; Mon, 3 Jul 2023 15:58:15 +0000 (GMT) From: Ilya Leoshkevich To: Laurent Vivier , Richard Henderson , David Hildenbrand Cc: Thomas Huth , qemu-devel@nongnu.org, qemu-s390x@nongnu.org, Ilya Leoshkevich , qemu-stable@nongnu.org Subject: [PATCH 04/12] target/s390x: Fix MVCRL with a large value in R0 Date: Mon, 3 Jul 2023 17:50:30 +0200 Message-ID: <20230703155801.179167-5-iii@linux.ibm.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230703155801.179167-1-iii@linux.ibm.com> References: <20230703155801.179167-1-iii@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: lOmfzjdxHvbDt-mcVOe3mELwYyOBdHAr X-Proofpoint-ORIG-GUID: Fy9xKSLMOxieJtZOzijfcCzS4Zvvpa2_ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-07-03_11,2023-06-30_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 mlxlogscore=999 malwarescore=0 adultscore=0 lowpriorityscore=0 mlxscore=0 clxscore=1015 suspectscore=0 impostorscore=0 spamscore=0 priorityscore=1501 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2305260000 definitions=main-2307030141 Received-SPF: pass client-ip=148.163.158.5; envelope-from=iii@linux.ibm.com; helo=mx0b-001b2d01.pphosted.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H5=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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Using a large R0 causes an assertion error: qemu-s390x: target/s390x/tcg/mem_helper.c:183: access_prepare_nf: Assertion `size > 0 && size <= 4096' failed. Even though PoP explicitly advises against using more than 8 bits for the size, an emulator crash is never a good thing. Fix by truncating the size to 8 bits. Fixes: ea0a1053e276 ("s390x/tcg: Implement Miscellaneous-Instruction-Extensions Facility 3 for the s390x") Cc: qemu-stable@nongnu.org Signed-off-by: Ilya Leoshkevich Reviewed-by: David Hildenbrand --- target/s390x/tcg/mem_helper.c | 1 + 1 file changed, 1 insertion(+) diff --git a/target/s390x/tcg/mem_helper.c b/target/s390x/tcg/mem_helper.c index d02ec861d8b..84ad85212c9 100644 --- a/target/s390x/tcg/mem_helper.c +++ b/target/s390x/tcg/mem_helper.c @@ -514,6 +514,7 @@ void HELPER(mvcrl)(CPUS390XState *env, uint64_t l, uint64_t dest, uint64_t src) int32_t i; /* MVCRL always copies one more byte than specified - maximum is 256 */ + l &= 0xff; l++; access_prepare(&srca, env, src, l, MMU_DATA_LOAD, mmu_idx, ra); From patchwork Mon Jul 3 15:50:31 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ilya Leoshkevich X-Patchwork-Id: 1802867 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; 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Mon, 3 Jul 2023 15:58:17 +0000 (GMT) Received: from smtpav03.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 95BF120040; Mon, 3 Jul 2023 15:58:17 +0000 (GMT) Received: from heavy.boeblingen.de.ibm.com (unknown [9.155.200.166]) by smtpav03.fra02v.mail.ibm.com (Postfix) with ESMTP; Mon, 3 Jul 2023 15:58:17 +0000 (GMT) From: Ilya Leoshkevich To: Laurent Vivier , Richard Henderson , David Hildenbrand Cc: Thomas Huth , qemu-devel@nongnu.org, qemu-s390x@nongnu.org, Ilya Leoshkevich , qemu-stable@nongnu.org Subject: [PATCH 05/12] target/s390x: Fix LRA overwriting the top 32 bits on DAT error Date: Mon, 3 Jul 2023 17:50:31 +0200 Message-ID: <20230703155801.179167-6-iii@linux.ibm.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230703155801.179167-1-iii@linux.ibm.com> References: <20230703155801.179167-1-iii@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: rMRLfV5AFNugcTHcHXtzfQ-c6ZDNqtsY X-Proofpoint-GUID: fPoDSyVdGXkUPQBA0PILHt6o7wjcn-vu X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-07-03_11,2023-06-30_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 mlxlogscore=823 spamscore=0 suspectscore=0 priorityscore=1501 impostorscore=0 mlxscore=0 malwarescore=0 bulkscore=0 adultscore=0 phishscore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2305260000 definitions=main-2307030141 Received-SPF: pass client-ip=148.163.158.5; envelope-from=iii@linux.ibm.com; helo=mx0b-001b2d01.pphosted.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H5=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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org When a DAT error occurs, LRA is supposed to write the error information to the bottom 32 bits of R1, and leave the top 32 bits of R1 alone. Fix by passing the original value of R1 into helper and copying the top 32 bits to the return value. Fixes: d8fe4a9c284f ("target-s390: Convert LRA") Cc: qemu-stable@nongnu.org Signed-off-by: Ilya Leoshkevich --- target/s390x/helper.h | 2 +- target/s390x/tcg/mem_helper.c | 4 ++-- target/s390x/tcg/translate.c | 2 +- 3 files changed, 4 insertions(+), 4 deletions(-) diff --git a/target/s390x/helper.h b/target/s390x/helper.h index 6bc01df73d7..05102578fc9 100644 --- a/target/s390x/helper.h +++ b/target/s390x/helper.h @@ -355,7 +355,7 @@ DEF_HELPER_FLAGS_4(idte, TCG_CALL_NO_RWG, void, env, i64, i64, i32) DEF_HELPER_FLAGS_4(ipte, TCG_CALL_NO_RWG, void, env, i64, i64, i32) DEF_HELPER_FLAGS_1(ptlb, TCG_CALL_NO_RWG, void, env) DEF_HELPER_FLAGS_1(purge, TCG_CALL_NO_RWG, void, env) -DEF_HELPER_2(lra, i64, env, i64) +DEF_HELPER_3(lra, i64, env, i64, i64) DEF_HELPER_1(per_check_exception, void, env) DEF_HELPER_FLAGS_3(per_branch, TCG_CALL_NO_RWG, void, env, i64, i64) DEF_HELPER_FLAGS_2(per_ifetch, TCG_CALL_NO_RWG, void, env, i64) diff --git a/target/s390x/tcg/mem_helper.c b/target/s390x/tcg/mem_helper.c index 84ad85212c9..94d93d7ea78 100644 --- a/target/s390x/tcg/mem_helper.c +++ b/target/s390x/tcg/mem_helper.c @@ -2356,7 +2356,7 @@ void HELPER(purge)(CPUS390XState *env) } /* load real address */ -uint64_t HELPER(lra)(CPUS390XState *env, uint64_t addr) +uint64_t HELPER(lra)(CPUS390XState *env, uint64_t r1, uint64_t addr) { uint64_t asc = env->psw.mask & PSW_MASK_ASC; uint64_t ret, tec; @@ -2370,7 +2370,7 @@ uint64_t HELPER(lra)(CPUS390XState *env, uint64_t addr) exc = mmu_translate(env, addr, MMU_S390_LRA, asc, &ret, &flags, &tec); if (exc) { cc = 3; - ret = exc | 0x80000000; + ret = (r1 & 0xFFFFFFFF00000000) | exc | 0x80000000; } else { cc = 0; ret |= addr & ~TARGET_PAGE_MASK; diff --git a/target/s390x/tcg/translate.c b/target/s390x/tcg/translate.c index 0cef6efbef4..a6079ab7b4f 100644 --- a/target/s390x/tcg/translate.c +++ b/target/s390x/tcg/translate.c @@ -2932,7 +2932,7 @@ static DisasJumpType op_lctlg(DisasContext *s, DisasOps *o) static DisasJumpType op_lra(DisasContext *s, DisasOps *o) { - gen_helper_lra(o->out, cpu_env, o->in2); + gen_helper_lra(o->out, cpu_env, o->out, o->in2); set_cc_static(s); return DISAS_NEXT; } From patchwork Mon Jul 3 15:50:32 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ilya Leoshkevich X-Patchwork-Id: 1802860 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; 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Mon, 3 Jul 2023 15:58:19 +0000 (GMT) Received: from smtpav03.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 947AE20040; Mon, 3 Jul 2023 15:58:19 +0000 (GMT) Received: from heavy.boeblingen.de.ibm.com (unknown [9.155.200.166]) by smtpav03.fra02v.mail.ibm.com (Postfix) with ESMTP; Mon, 3 Jul 2023 15:58:19 +0000 (GMT) From: Ilya Leoshkevich To: Laurent Vivier , Richard Henderson , David Hildenbrand Cc: Thomas Huth , qemu-devel@nongnu.org, qemu-s390x@nongnu.org, Ilya Leoshkevich , qemu-stable@nongnu.org Subject: [PATCH 06/12] target/s390x: Fix LRA when DAT is off Date: Mon, 3 Jul 2023 17:50:32 +0200 Message-ID: <20230703155801.179167-7-iii@linux.ibm.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230703155801.179167-1-iii@linux.ibm.com> References: <20230703155801.179167-1-iii@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: 7o7rP8RfeBeAK5nm57SxGNWJ0WKz-xlU X-Proofpoint-ORIG-GUID: 1LNxH9JJC44Y6Xolkk-d3ZsbDAo-HaV0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-07-03_11,2023-06-30_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 mlxlogscore=952 malwarescore=0 adultscore=0 lowpriorityscore=0 mlxscore=0 clxscore=1015 suspectscore=0 impostorscore=0 spamscore=0 priorityscore=1501 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2305260000 definitions=main-2307030141 Received-SPF: pass client-ip=148.163.158.5; envelope-from=iii@linux.ibm.com; helo=mx0b-001b2d01.pphosted.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H5=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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org LRA should perform DAT regardless of whether it's on or off. Disable DAT check for MMU_S390_LRA. Fixes: defb0e3157af ("s390x: Implement opcode helpers") Cc: qemu-stable@nongnu.org Signed-off-by: Ilya Leoshkevich Reviewed-by: David Hildenbrand --- target/s390x/mmu_helper.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/s390x/mmu_helper.c b/target/s390x/mmu_helper.c index b04b57c2356..fbb2f1b4d48 100644 --- a/target/s390x/mmu_helper.c +++ b/target/s390x/mmu_helper.c @@ -417,7 +417,7 @@ int mmu_translate(CPUS390XState *env, target_ulong vaddr, int rw, uint64_t asc, vaddr &= TARGET_PAGE_MASK; - if (!(env->psw.mask & PSW_MASK_DAT)) { + if (rw != MMU_S390_LRA && !(env->psw.mask & PSW_MASK_DAT)) { *raddr = vaddr; goto nodat; } From patchwork Mon Jul 3 15:50:33 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ilya Leoshkevich X-Patchwork-Id: 1802861 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; 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envelope-from=iii@linux.ibm.com; helo=mx0b-001b2d01.pphosted.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H5=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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org The expression "imm * 2" in gen_ri2() can wrap around if imm is large enough. Fix by casting imm to int64_t, like it's done in disas_jdest(). Fixes: e8ecdfeb30f0 ("Fix EXECUTE of relative branches") Signed-off-by: Ilya Leoshkevich Reviewed-by: David Hildenbrand --- target/s390x/tcg/translate.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/s390x/tcg/translate.c b/target/s390x/tcg/translate.c index a6079ab7b4f..6661b27efa4 100644 --- a/target/s390x/tcg/translate.c +++ b/target/s390x/tcg/translate.c @@ -5794,7 +5794,7 @@ static TCGv gen_ri2(DisasContext *s) disas_jdest(s, i2, is_imm, imm, ri2); if (is_imm) { - ri2 = tcg_constant_i64(s->base.pc_next + imm * 2); + ri2 = tcg_constant_i64(s->base.pc_next + (int64_t)imm * 2); } return ri2; From patchwork Mon Jul 3 15:50:34 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ilya Leoshkevich X-Patchwork-Id: 1802872 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; 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Mon, 3 Jul 2023 15:58:23 +0000 (GMT) Received: from smtpav03.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 2D7B42004B; Mon, 3 Jul 2023 15:58:23 +0000 (GMT) Received: from heavy.boeblingen.de.ibm.com (unknown [9.155.200.166]) by smtpav03.fra02v.mail.ibm.com (Postfix) with ESMTP; Mon, 3 Jul 2023 15:58:23 +0000 (GMT) From: Ilya Leoshkevich To: Laurent Vivier , Richard Henderson , David Hildenbrand Cc: Thomas Huth , qemu-devel@nongnu.org, qemu-s390x@nongnu.org, Ilya Leoshkevich Subject: [PATCH 08/12] tests/tcg/s390x: Test EPSW Date: Mon, 3 Jul 2023 17:50:34 +0200 Message-ID: <20230703155801.179167-9-iii@linux.ibm.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230703155801.179167-1-iii@linux.ibm.com> References: <20230703155801.179167-1-iii@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: NYQn9Ey8wnLm6QOPuM3Y8P2-Zcmfp0Oi X-Proofpoint-GUID: I_l4VAksfQsw5m-OhLrPwpIHmMA_5eLi X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-07-03_11,2023-06-30_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 malwarescore=0 clxscore=1015 phishscore=0 priorityscore=1501 mlxscore=0 bulkscore=0 adultscore=0 suspectscore=0 lowpriorityscore=0 spamscore=0 mlxlogscore=854 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2305260000 definitions=main-2307030141 Received-SPF: pass client-ip=148.163.158.5; envelope-from=iii@linux.ibm.com; helo=mx0b-001b2d01.pphosted.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H5=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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Add a small test to prevent regressions. Signed-off-by: Ilya Leoshkevich Reviewed-by: David Hildenbrand --- tests/tcg/s390x/Makefile.target | 1 + tests/tcg/s390x/epsw.c | 23 +++++++++++++++++++++++ 2 files changed, 24 insertions(+) create mode 100644 tests/tcg/s390x/epsw.c diff --git a/tests/tcg/s390x/Makefile.target b/tests/tcg/s390x/Makefile.target index 85abfbb98c0..2ef22c88d95 100644 --- a/tests/tcg/s390x/Makefile.target +++ b/tests/tcg/s390x/Makefile.target @@ -36,6 +36,7 @@ TESTS+=rxsbg TESTS+=ex-relative-long TESTS+=ex-branch TESTS+=mxdb +TESTS+=epsw cdsg: CFLAGS+=-pthread cdsg: LDFLAGS+=-pthread diff --git a/tests/tcg/s390x/epsw.c b/tests/tcg/s390x/epsw.c new file mode 100644 index 00000000000..affb1a5e3a1 --- /dev/null +++ b/tests/tcg/s390x/epsw.c @@ -0,0 +1,23 @@ +/* + * Test the EPSW instruction. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ +#include +#include + +int main(void) +{ + unsigned long r1 = 0x1234567887654321UL, r2 = 0x8765432112345678UL; + + asm("cr %[r1],%[r2]\n" /* cc = 1 */ + "epsw %[r1],%[r2]" + : [r1] "+r" (r1), [r2] "+r" (r2) : : "cc"); 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envelope-from=iii@linux.ibm.com; helo=mx0b-001b2d01.pphosted.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H5=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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Add a small test to prevent regressions. Signed-off-by: Ilya Leoshkevich Acked-by: David Hildenbrand --- tests/tcg/s390x/Makefile.target | 1 + tests/tcg/s390x/larl.c | 17 +++++++++++++++++ 2 files changed, 18 insertions(+) create mode 100644 tests/tcg/s390x/larl.c diff --git a/tests/tcg/s390x/Makefile.target b/tests/tcg/s390x/Makefile.target index 2ef22c88d95..dbf64c991e9 100644 --- a/tests/tcg/s390x/Makefile.target +++ b/tests/tcg/s390x/Makefile.target @@ -37,6 +37,7 @@ TESTS+=ex-relative-long TESTS+=ex-branch TESTS+=mxdb TESTS+=epsw +TESTS+=larl cdsg: CFLAGS+=-pthread cdsg: LDFLAGS+=-pthread diff --git a/tests/tcg/s390x/larl.c b/tests/tcg/s390x/larl.c new file mode 100644 index 00000000000..b9ced99a023 --- /dev/null +++ b/tests/tcg/s390x/larl.c @@ -0,0 +1,17 @@ +/* + * Test the LARL instruction. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ +#include + +int main(void) +{ + long algfi = (long)main; + long larl; + + asm("algfi %[r],0xd0000000" : [r] "+r" (algfi) : : "cc"); + asm("larl %[r],main+0xd0000000" : [r] "=r" (larl)); + + return algfi == larl ? 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Mon, 3 Jul 2023 15:58:27 GMT Received: from smtpav03.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 2494920043; Mon, 3 Jul 2023 15:58:27 +0000 (GMT) Received: from smtpav03.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id F0C3620040; Mon, 3 Jul 2023 15:58:26 +0000 (GMT) Received: from heavy.boeblingen.de.ibm.com (unknown [9.155.200.166]) by smtpav03.fra02v.mail.ibm.com (Postfix) with ESMTP; Mon, 3 Jul 2023 15:58:26 +0000 (GMT) From: Ilya Leoshkevich To: Laurent Vivier , Richard Henderson , David Hildenbrand Cc: Thomas Huth , qemu-devel@nongnu.org, qemu-s390x@nongnu.org, Ilya Leoshkevich Subject: [PATCH 10/12] tests/tcg/s390x: Test LRA Date: Mon, 3 Jul 2023 17:50:36 +0200 Message-ID: <20230703155801.179167-11-iii@linux.ibm.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230703155801.179167-1-iii@linux.ibm.com> References: <20230703155801.179167-1-iii@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: OLp8FP-6l8oczPZ1-rFNO21ScrTQtVJd X-Proofpoint-ORIG-GUID: KpbNswQq8I1d-D8e5ngdMRFZrDh9ffoc X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-07-03_11,2023-06-30_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 impostorscore=0 spamscore=0 bulkscore=0 lowpriorityscore=0 suspectscore=0 adultscore=0 mlxscore=0 mlxlogscore=999 malwarescore=0 priorityscore=1501 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2305260000 definitions=main-2307030141 Received-SPF: pass client-ip=148.163.156.1; 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Signed-off-by: Ilya Leoshkevich --- tests/tcg/s390x/Makefile.softmmu-target | 1 + tests/tcg/s390x/lra.S | 19 +++++++++++++++++++ 2 files changed, 20 insertions(+) create mode 100644 tests/tcg/s390x/lra.S diff --git a/tests/tcg/s390x/Makefile.softmmu-target b/tests/tcg/s390x/Makefile.softmmu-target index 44dfd716291..242c7b0f83c 100644 --- a/tests/tcg/s390x/Makefile.softmmu-target +++ b/tests/tcg/s390x/Makefile.softmmu-target @@ -20,6 +20,7 @@ ASM_TESTS = \ sam \ lpsw \ lpswe-early \ + lra \ ssm-early \ stosm-early \ unaligned-lowcore diff --git a/tests/tcg/s390x/lra.S b/tests/tcg/s390x/lra.S new file mode 100644 index 00000000000..79ab86f36bb --- /dev/null +++ b/tests/tcg/s390x/lra.S @@ -0,0 +1,19 @@ + .org 0x200 /* lowcore padding */ + .globl _start +_start: + lgrl %r1,initial_r1 + lra %r1,0(%r1) + cgrl %r1,expected_r1 + jne 1f + lpswe success_psw +1: + lpswe failure_psw + .align 8 +initial_r1: + .quad 0x8765432112345678 +expected_r1: + .quad 0x8765432180000038 /* ASCE type exception */ +success_psw: + .quad 0x2000000000000,0xfff /* see is_special_wait_psw() */ +failure_psw: + .quad 0x2000000000000,0 /* disabled wait */ From patchwork Mon Jul 3 15:50:37 2023 Content-Type: text/plain; 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Mon, 3 Jul 2023 15:58:29 GMT Received: from smtpav03.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id EBCAE20043; Mon, 3 Jul 2023 15:58:28 +0000 (GMT) Received: from smtpav03.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id C3DB120040; Mon, 3 Jul 2023 15:58:28 +0000 (GMT) Received: from heavy.boeblingen.de.ibm.com (unknown [9.155.200.166]) by smtpav03.fra02v.mail.ibm.com (Postfix) with ESMTP; Mon, 3 Jul 2023 15:58:28 +0000 (GMT) From: Ilya Leoshkevich To: Laurent Vivier , Richard Henderson , David Hildenbrand Cc: Thomas Huth , qemu-devel@nongnu.org, qemu-s390x@nongnu.org, Ilya Leoshkevich Subject: [PATCH 11/12] tests/tcg/s390x: Test MDEB and MDEBR Date: Mon, 3 Jul 2023 17:50:37 +0200 Message-ID: <20230703155801.179167-12-iii@linux.ibm.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230703155801.179167-1-iii@linux.ibm.com> References: <20230703155801.179167-1-iii@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: WLzaQXRVh8-BibBSxJ9yrnMaRRTdjsYC X-Proofpoint-ORIG-GUID: 066DgTH3SHHkbyK3QNikJrFtKtnxfXYZ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-07-03_11,2023-06-30_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 mlxscore=0 lowpriorityscore=0 impostorscore=0 malwarescore=0 adultscore=0 suspectscore=0 phishscore=0 spamscore=0 priorityscore=1501 bulkscore=0 mlxlogscore=998 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2305260000 definitions=main-2307030141 Received-SPF: pass client-ip=148.163.156.1; envelope-from=iii@linux.ibm.com; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H5=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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Add a small test to prevent regressions. Signed-off-by: Ilya Leoshkevich Acked-by: David Hildenbrand --- tests/tcg/s390x/Makefile.target | 1 + tests/tcg/s390x/mdeb.c | 30 ++++++++++++++++++++++++++++++ 2 files changed, 31 insertions(+) create mode 100644 tests/tcg/s390x/mdeb.c diff --git a/tests/tcg/s390x/Makefile.target b/tests/tcg/s390x/Makefile.target index dbf64c991e9..19fbbc6e531 100644 --- a/tests/tcg/s390x/Makefile.target +++ b/tests/tcg/s390x/Makefile.target @@ -38,6 +38,7 @@ TESTS+=ex-branch TESTS+=mxdb TESTS+=epsw TESTS+=larl +TESTS+=mdeb cdsg: CFLAGS+=-pthread cdsg: LDFLAGS+=-pthread diff --git a/tests/tcg/s390x/mdeb.c b/tests/tcg/s390x/mdeb.c new file mode 100644 index 00000000000..4897d28069f --- /dev/null +++ b/tests/tcg/s390x/mdeb.c @@ -0,0 +1,30 @@ +/* + * Test the MDEB and MDEBR instructions. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ +#include +#include + +int main(void) +{ + union { + float f[2]; + double d; + } a; + float b; + + a.f[0] = 1.2345; + a.f[1] = 999; + b = 6.789; + asm("mdeb %[a],%[b]" : [a] "+f" (a.d) : [b] "R" (b)); 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envelope-from=iii@linux.ibm.com; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H5=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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Add a small test to prevent regressions. Signed-off-by: Ilya Leoshkevich Reviewed-by: David Hildenbrand --- tests/tcg/s390x/mie3-mvcrl.c | 46 ++++++++++++++++++++++++++++-------- 1 file changed, 36 insertions(+), 10 deletions(-) diff --git a/tests/tcg/s390x/mie3-mvcrl.c b/tests/tcg/s390x/mie3-mvcrl.c index 93c7b0a2903..ec78dd1d493 100644 --- a/tests/tcg/s390x/mie3-mvcrl.c +++ b/tests/tcg/s390x/mie3-mvcrl.c @@ -1,29 +1,55 @@ +#include #include +#include #include - -static inline void mvcrl_8(const char *dst, const char *src) +static void mvcrl(const char *dst, const char *src, size_t len) { + register long r0 asm("r0") = len; + asm volatile ( - "llill %%r0, 8\n" ".insn sse, 0xE50A00000000, 0(%[dst]), 0(%[src])" - : : [dst] "d" (dst), [src] "d" (src) - : "r0", "memory"); + : : [dst] "d" (dst), [src] "d" (src), "r" (r0) + : "memory"); } - -int main(int argc, char *argv[]) +static bool test(void) { const char *alpha = "abcdefghijklmnop"; /* array missing 'i' */ - char tstr[17] = "abcdefghjklmnop\0" ; + char tstr[17] = "abcdefghjklmnop\0"; /* mvcrl reference use: 'open a hole in an array' */ - mvcrl_8(tstr + 9, tstr + 8); + mvcrl(tstr + 9, tstr + 8, 8); /* place missing 'i' */ tstr[8] = 'i'; - return strncmp(alpha, tstr, 16ul); + return strncmp(alpha, tstr, 16ul) == 0; +} + +static bool test_bad_r0(void) +{ + char src[256]; + + /* + * PoP says: Bits 32-55 of general register 0 should contain zeros; + * otherwise, the program may not operate compatibly in the future. + * + * Try it anyway in order to check whether this would crash QEMU itself. + */ + mvcrl(src, src, (size_t)-1); + + return true; +} + +int main(void) +{ + bool ok = true; + + ok &= test(); + ok &= test_bad_r0(); + + return ok ? EXIT_SUCCESS : EXIT_FAILURE; }