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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Mon, 29 Apr 2019 10:03:00 +0100 Received: from b03ledav006.gho.boulder.ibm.com (b03ledav006.gho.boulder.ibm.com [9.17.130.237]) by b03cxnp07029.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x3T92wns39583860 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 29 Apr 2019 09:02:58 GMT Received: from b03ledav006.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id BC1B0C6055; Mon, 29 Apr 2019 09:02:58 +0000 (GMT) Received: from b03ledav006.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 04C51C6057; Mon, 29 Apr 2019 09:02:58 +0000 (GMT) Received: from localhost.localdomain (unknown [9.114.17.106]) by b03ledav006.gho.boulder.ibm.com (Postfix) with ESMTP; Mon, 29 Apr 2019 09:02:57 +0000 (GMT) From: Christian Borntraeger To: Cornelia Huck Date: Mon, 29 Apr 2019 05:02:49 -0400 X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190429090250.7648-1-borntraeger@de.ibm.com> References: <20190429090250.7648-1-borntraeger@de.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 19042909-0004-0000-0000-00001505303A X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00011015; HX=3.00000242; KW=3.00000007; PH=3.00000004; SC=3.00000285; SDB=6.01195994; UDB=6.00627178; IPR=6.00976844; MB=3.00026644; MTD=3.00000008; XFM=3.00000015; UTC=2019-04-29 09:03:02 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19042909-0005-0000-0000-00008B71A320 Message-Id: <20190429090250.7648-9-borntraeger@de.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-04-29_04:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=771 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1904290066 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] X-Received-From: 148.163.158.5 Subject: [Qemu-devel] [PATCH v3 8/9] s390x/cpumodel: add gen15 defintions X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "Jason J . Herne" , Collin Walling , David Hildenbrand , qemu-devel , Halil Pasic , qemu-s390x , Richard Henderson Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" add several new features (msa9, sort, deflate, additional vector instructions, new general purpose instructions) to generation 15. Also disable csske and bpb from the default and base models >=15. This will allow to migrate gen15 machines to future machines that do not have these features. Signed-off-by: Christian Borntraeger Reviewed-by: David Hildenbrand --- target/s390x/gen-features.c | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/target/s390x/gen-features.c b/target/s390x/gen-features.c index 8fc2e8e72f..c346b76bdf 100644 --- a/target/s390x/gen-features.c +++ b/target/s390x/gen-features.c @@ -13,6 +13,7 @@ #include #include +#include #include "cpu_features_def.h" #define ARRAY_SIZE(array) (sizeof(array) / sizeof(array[0])) @@ -419,6 +420,10 @@ static uint16_t base_GEN14_GA1[] = { #define base_GEN14_GA2 EmptyFeat +static uint16_t base_GEN15_GA1[] = { + S390_FEAT_MISC_INSTRUCTION_EXT3, +}; + /* Full features (in order of release) * Automatically includes corresponding base features. * Full features are all features this hardware supports even if kvm/QEMU do not @@ -548,6 +553,16 @@ static uint16_t full_GEN14_GA1[] = { #define full_GEN14_GA2 EmptyFeat +static uint16_t full_GEN15_GA1[] = { + S390_FEAT_VECTOR_ENH2, + S390_FEAT_GROUP_ENH_SORT, + S390_FEAT_GROUP_DEFLATE_CONVERSION, + S390_FEAT_VECTOR_BCD_ENH, + S390_FEAT_GROUP_MSA_EXT_9, + S390_FEAT_GROUP_MSA_EXT_9_PCKMO, + S390_FEAT_ETOKEN, +}; + /* Default features (in order of release) * Automatically includes corresponding base features. * Default features are all features this version of QEMU supports for this @@ -624,6 +639,16 @@ static uint16_t default_GEN14_GA1[] = { #define default_GEN14_GA2 EmptyFeat +static uint16_t default_GEN15_GA1[] = { + S390_FEAT_VECTOR_ENH2, + S390_FEAT_GROUP_ENH_SORT, + S390_FEAT_GROUP_DEFLATE_CONVERSION, + S390_FEAT_VECTOR_BCD_ENH, + S390_FEAT_GROUP_MSA_EXT_9, + S390_FEAT_GROUP_MSA_EXT_9_PCKMO, + S390_FEAT_ETOKEN, +}; + /* QEMU (CPU model) features */ static uint16_t qemu_V2_11[] = { @@ -740,6 +765,7 @@ static CpuFeatDefSpec CpuFeatDef[] = { CPU_FEAT_INITIALIZER(GEN13_GA2), CPU_FEAT_INITIALIZER(GEN14_GA1), CPU_FEAT_INITIALIZER(GEN14_GA2), + CPU_FEAT_INITIALIZER(GEN15_GA1), }; #define FEAT_GROUP_INITIALIZER(_name) \ @@ -808,6 +834,11 @@ static void set_bits(uint64_t list[], BitSpec bits) } } +static inline void clear_bit(uint64_t list[], unsigned long nr) +{ + list[nr / 64] &= ~(1ULL << (nr % 64)); +} + static void print_feature_defs(void) { uint64_t base_feat[S390_FEAT_MAX / 64 + 1] = {}; @@ -818,6 +849,12 @@ static void print_feature_defs(void) printf("\n/* CPU model feature list data */\n"); for (i = 0; i < ARRAY_SIZE(CpuFeatDef); i++) { + /* With gen15 CSSKE and BPB are deprecated */ + if (strcmp(CpuFeatDef[i].name, "S390_FEAT_LIST_GEN15_GA1") == 0) { + clear_bit(base_feat, S390_FEAT_CONDITIONAL_SSKE); + clear_bit(default_feat, S390_FEAT_CONDITIONAL_SSKE); + clear_bit(default_feat, S390_FEAT_BPB); + } set_bits(base_feat, CpuFeatDef[i].base_bits); /* add the base to the default features */ set_bits(default_feat, CpuFeatDef[i].base_bits);