497 lines
28 KiB
C++
497 lines
28 KiB
C++
/*
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* Copyright (c) 2016, 2019, Oracle and/or its affiliates. All rights reserved.
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* Copyright (c) 2016, 2019 SAP SE. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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#ifndef CPU_S390_VM_VERSION_S390_HPP
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#define CPU_S390_VM_VERSION_S390_HPP
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#include "runtime/abstract_vm_version.hpp"
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#include "runtime/globals_extension.hpp"
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class VM_Version: public Abstract_VM_Version {
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protected:
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// The following list contains the (approximate) announcement/availability
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// dates of the many System z generations in existence as of now which
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// implement the z/Architecture.
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// z900: 2000-10
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// z990: 2003-06
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// z9: 2005-09
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// z10: 2007-04
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// z10: 2008-02
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// z196: 2010-08
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// ec12: 2012-09
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// z13: 2015-03
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//
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// z/Architecture is the name of the 64-bit extension of the 31-bit s390
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// architecture.
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//
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// ----------------------------------------------
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// --- FeatureBitString Bits 0.. 63 (DW[0]) ---
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// ----------------------------------------------
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// 11222334445566
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// 04826048260482604
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#define StoreFacilityListExtendedMask 0x0100000000000000UL // z9
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#define ETF2Mask 0x0000800000000000UL // z900
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#define CryptoFacilityMask 0x0000400000000000UL // z990
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#define LongDispFacilityMask 0x0000200000000000UL // z900 with microcode update
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#define LongDispFacilityHighPerfMask 0x0000300000000000UL // z990
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#define HFPMultiplyAndAddMask 0x0000080000000000UL // z990
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#define ExtImmedFacilityMask 0x0000040000000000UL // z9
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#define ETF3Mask 0x0000020000000000UL // z990/z9 (?)
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#define HFPUnnormalizedMask 0x0000010000000000UL // z9
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#define ETF2EnhancementMask 0x0000008000000000UL // z9
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#define StoreClockFastMask 0x0000004000000000UL // z9
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#define ParsingEnhancementsMask 0x0000002000000000UL // z10(?)
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#define ETF3EnhancementMask 0x0000000200000000UL // z9
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#define ExtractCPUTimeMask 0x0000000100000000UL // z10
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#define CompareSwapStoreMask 0x00000000c0000000UL // z10
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#define GnrlInstrExtFacilityMask 0x0000000020000000UL // z10
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#define ExecuteExtensionsMask 0x0000000010000000UL // z10
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#define FPExtensionsMask 0x0000000004000000UL // z196
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#define FPSupportEnhancementsMask 0x0000000000400000UL // z10
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#define DecimalFloatingPointMask 0x0000000000300000UL // z10
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// z196 begin
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#define DistinctOpndsMask 0x0000000000040000UL // z196
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#define FastBCRSerializationMask DistinctOpndsMask
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#define HighWordMask DistinctOpndsMask
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#define LoadStoreConditionalMask DistinctOpndsMask
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#define PopulationCountMask DistinctOpndsMask
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#define InterlockedAccess1Mask DistinctOpndsMask
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// z196 end
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// EC12 begin
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#define DFPZonedConversionMask 0x0000000000008000UL // ec12
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#define MiscInstrExtMask 0x0000000000004000UL // ec12
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#define ExecutionHintMask MiscInstrExtMask
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#define LoadAndTrapMask MiscInstrExtMask
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#define ProcessorAssistMask MiscInstrExtMask
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#define ConstrainedTxExecutionMask 0x0000000000002000UL // ec12
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#define InterlockedAccess2Mask 0x0000000000000800UL // ec12
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// EC12 end
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// z13 begin
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#define LoadStoreConditional2Mask 0x0000000000000400UL // z13
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#define CryptoExtension5Mask 0x0000000000000040UL // z13
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// z13 end
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// Feature-DW[0] starts to fill up. Use of these masks is risky.
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#define TestFeature1ImplMask 0x0000000000000001UL
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#define TestFeature2ImplMask 0x0000000000000002UL
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#define TestFeature4ImplMask 0x0000000000000004UL
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#define TestFeature8ImplMask 0x0000000000000008UL
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// ----------------------------------------------
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// --- FeatureBitString Bits 64..127 (DW[1]) ---
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// ----------------------------------------------
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// 11111111
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// 66778889900011222
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// 48260482604826048
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#define TransactionalExecutionMask 0x0040000000000000UL // ec12
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#define CryptoExtension3Mask 0x0008000000000000UL // z196
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#define CryptoExtension4Mask 0x0004000000000000UL // z196
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#define DFPPackedConversionMask 0x0000800000000000UL // z13
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// ----------------------------------------------
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// --- FeatureBitString Bits 128..192 (DW[2]) ---
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// ----------------------------------------------
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// 11111111111111111
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// 23344455666778889
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// 82604826048260482
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#define VectorFacilityMask 0x4000000000000000UL // z13, not avail in VM guest mode!
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enum {
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_max_cache_levels = 8, // As limited by ECAG instruction.
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_features_buffer_len = 4, // in DW
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_code_buffer_len = 2*256 // For feature detection code.
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};
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static unsigned long _features[_features_buffer_len];
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static unsigned long _cipher_features[_features_buffer_len];
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static unsigned long _msgdigest_features[_features_buffer_len];
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static unsigned int _nfeatures;
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static unsigned int _ncipher_features;
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static unsigned int _nmsgdigest_features;
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static unsigned int _Dcache_lineSize;
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static unsigned int _Icache_lineSize;
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static bool _is_determine_features_test_running;
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static const char* _model_string;
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static bool test_feature_bit(unsigned long* featureBuffer, int featureNum, unsigned int bufLen);
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static void set_features_string();
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static void print_features_internal(const char* text, bool print_anyway=false);
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static void determine_features();
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static long call_getFeatures(unsigned long* buffer, int buflen, int functionCode);
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static void set_getFeatures(address entryPoint);
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static int calculate_ECAG_functionCode(unsigned int attributeIndication,
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unsigned int levelIndication,
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unsigned int typeIndication);
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// Setting features via march=z900|z990|z9|z10|z196|ec12|z13|ztest commandline option.
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static void reset_features(bool reset);
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static void set_features_z900(bool reset = true);
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static void set_features_z990(bool reset = true);
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static void set_features_z9(bool reset = true);
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static void set_features_z10(bool reset = true);
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static void set_features_z196(bool reset = true);
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static void set_features_ec12(bool reset = true);
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static void set_features_z13(bool reset = true);
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static void set_features_from(const char* march);
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// Get the CPU type from feature bit settings.
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static bool is_z900() { return has_long_displacement() && !has_long_displacement_fast(); }
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static bool is_z990() { return has_long_displacement_fast() && !has_extended_immediate(); }
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static bool is_z9() { return has_extended_immediate() && !has_GnrlInstrExtensions(); }
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static bool is_z10() { return has_GnrlInstrExtensions() && !has_DistinctOpnds(); }
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static bool is_z196() { return has_DistinctOpnds() && !has_MiscInstrExt(); }
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static bool is_ec12() { return has_MiscInstrExt() && !has_CryptoExt5(); }
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static bool is_z13() { return has_CryptoExt5();}
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// Get information about cache line sizes.
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// As of now and the foreseeable future, line size of all levels will be the same and 256.
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static unsigned int Dcache_lineSize(unsigned int level = 0) { return _Dcache_lineSize; }
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static unsigned int Icache_lineSize(unsigned int level = 0) { return _Icache_lineSize; }
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public:
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// Need to use nested class with unscoped enum.
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// C++11 declaration "enum class Cipher { ... } is not supported.
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class CipherMode {
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public:
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enum {
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cipher = 0x00,
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decipher = 0x80
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};
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};
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class Cipher {
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public:
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enum { // KM only!!! KMC uses different parmBlk sizes.
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_Query = 0,
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_DEA = 1,
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_TDEA128 = 2,
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_TDEA192 = 3,
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_EncryptedDEA = 9,
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_EncryptedDEA128 = 10,
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_EncryptedDEA192 = 11,
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_AES128 = 18,
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_AES192 = 19,
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_AES256 = 20,
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_EnccryptedAES128 = 26,
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_EnccryptedAES192 = 27,
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_EnccryptedAES256 = 28,
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_XTSAES128 = 50,
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_XTSAES256 = 52,
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_EncryptedXTSAES128 = 58,
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_EncryptedXTSAES256 = 60,
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_PRNG = 67,
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_featureBits = 128,
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// Parameter block sizes (in bytes) for KM instruction.
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_Query_parmBlk = 16,
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_DEA_parmBlk = 8,
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_TDEA128_parmBlk = 16,
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_TDEA192_parmBlk = 24,
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_EncryptedDEA_parmBlk = 32,
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_EncryptedDEA128_parmBlk = 40,
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_EncryptedDEA192_parmBlk = 48,
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_AES128_parmBlk = 16,
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_AES192_parmBlk = 24,
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_AES256_parmBlk = 32,
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_EnccryptedAES128_parmBlk = 48,
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_EnccryptedAES192_parmBlk = 56,
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_EnccryptedAES256_parmBlk = 64,
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_XTSAES128_parmBlk = 32,
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_XTSAES256_parmBlk = 48,
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_EncryptedXTSAES128_parmBlk = 64,
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_EncryptedXTSAES256_parmBlk = 80,
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// Parameter block sizes (in bytes) for KMC instruction.
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_Query_parmBlk_C = 16,
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_DEA_parmBlk_C = 16,
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_TDEA128_parmBlk_C = 24,
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_TDEA192_parmBlk_C = 32,
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_EncryptedDEA_parmBlk_C = 40,
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_EncryptedDEA128_parmBlk_C = 48,
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_EncryptedDEA192_parmBlk_C = 56,
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_AES128_parmBlk_C = 32,
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_AES192_parmBlk_C = 40,
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_AES256_parmBlk_C = 48,
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_EnccryptedAES128_parmBlk_C = 64,
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_EnccryptedAES192_parmBlk_C = 72,
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_EnccryptedAES256_parmBlk_C = 80,
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_XTSAES128_parmBlk_C = 32,
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_XTSAES256_parmBlk_C = 48,
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_EncryptedXTSAES128_parmBlk_C = 64,
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_EncryptedXTSAES256_parmBlk_C = 80,
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_PRNG_parmBlk_C = 32,
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// Data block sizes (in bytes).
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_Query_dataBlk = 0,
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_DEA_dataBlk = 8,
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_TDEA128_dataBlk = 8,
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_TDEA192_dataBlk = 8,
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_EncryptedDEA_dataBlk = 8,
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_EncryptedDEA128_dataBlk = 8,
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_EncryptedDEA192_dataBlk = 8,
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_AES128_dataBlk = 16,
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_AES192_dataBlk = 16,
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_AES256_dataBlk = 16,
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_EnccryptedAES128_dataBlk = 16,
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_EnccryptedAES192_dataBlk = 16,
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_EnccryptedAES256_dataBlk = 16,
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_XTSAES128_dataBlk = 16,
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_XTSAES256_dataBlk = 16,
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_EncryptedXTSAES128_dataBlk = 16,
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_EncryptedXTSAES256_dataBlk = 16,
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_PRNG_dataBlk = 8,
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};
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};
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class MsgDigest {
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public:
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enum {
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_Query = 0,
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_SHA1 = 1,
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_SHA256 = 2,
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_SHA512 = 3,
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_GHASH = 65,
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_featureBits = 128,
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// Parameter block sizes (in bytes) for KIMD.
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_Query_parmBlk_I = 16,
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_SHA1_parmBlk_I = 20,
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_SHA256_parmBlk_I = 32,
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_SHA512_parmBlk_I = 64,
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_GHASH_parmBlk_I = 32,
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// Parameter block sizes (in bytes) for KLMD.
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_Query_parmBlk_L = 16,
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_SHA1_parmBlk_L = 28,
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_SHA256_parmBlk_L = 40,
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_SHA512_parmBlk_L = 80,
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// Data block sizes (in bytes).
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_Query_dataBlk = 0,
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_SHA1_dataBlk = 64,
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_SHA256_dataBlk = 64,
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_SHA512_dataBlk = 128,
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_GHASH_dataBlk = 16
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};
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};
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class MsgAuthent {
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public:
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enum {
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_Query = 0,
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_DEA = 1,
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_TDEA128 = 2,
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_TDEA192 = 3,
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_EncryptedDEA = 9,
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_EncryptedDEA128 = 10,
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_EncryptedDEA192 = 11,
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_AES128 = 18,
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_AES192 = 19,
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_AES256 = 20,
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_EnccryptedAES128 = 26,
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_EnccryptedAES192 = 27,
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_EnccryptedAES256 = 28,
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_featureBits = 128,
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_Query_parmBlk = 16,
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_DEA_parmBlk = 16,
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_TDEA128_parmBlk = 24,
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_TDEA192_parmBlk = 32,
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_EncryptedDEA_parmBlk = 40,
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_EncryptedDEA128_parmBlk = 48,
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_EncryptedDEA192_parmBlk = 56,
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_AES128_parmBlk = 32,
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_AES192_parmBlk = 40,
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_AES256_parmBlk = 48,
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_EnccryptedAES128_parmBlk = 64,
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_EnccryptedAES192_parmBlk = 72,
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_EnccryptedAES256_parmBlk = 80,
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_Query_dataBlk = 0,
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_DEA_dataBlk = 8,
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_TDEA128_dataBlk = 8,
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_TDEA192_dataBlk = 8,
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_EncryptedDEA_dataBlk = 8,
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_EncryptedDEA128_dataBlk = 8,
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_EncryptedDEA192_dataBlk = 8,
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_AES128_dataBlk = 16,
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_AES192_dataBlk = 16,
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_AES256_dataBlk = 16,
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_EnccryptedAES128_dataBlk = 16,
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_EnccryptedAES192_dataBlk = 16,
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_EnccryptedAES256_dataBlk = 16
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};
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};
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// Initialization
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static void initialize();
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static void print_features();
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static bool is_determine_features_test_running() { return _is_determine_features_test_running; }
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// Override Abstract_VM_Version implementation
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static void print_platform_virtualization_info(outputStream*);
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// s390 supports fast class initialization checks for static methods.
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static bool supports_fast_class_init_checks() { return true; }
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// CPU feature query functions
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static const char* get_model_string() { return _model_string; }
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static bool has_StoreFacilityListExtended() { return (_features[0] & StoreFacilityListExtendedMask) == StoreFacilityListExtendedMask; }
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static bool has_Crypto() { return (_features[0] & CryptoFacilityMask) == CryptoFacilityMask; }
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static bool has_ETF2() { return (_features[0] & ETF2Mask) == ETF2Mask; }
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static bool has_ETF3() { return (_features[0] & ETF3Mask) == ETF3Mask; }
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static bool has_ETF2Enhancements() { return (_features[0] & ETF2EnhancementMask) == ETF2EnhancementMask; }
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static bool has_ETF3Enhancements() { return (_features[0] & ETF3EnhancementMask) == ETF3EnhancementMask; }
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static bool has_ParsingEnhancements() { return (_features[0] & ParsingEnhancementsMask) == ParsingEnhancementsMask; }
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static bool has_long_displacement() { return (_features[0] & LongDispFacilityMask) == LongDispFacilityMask; }
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static bool has_long_displacement_fast() { return (_features[0] & LongDispFacilityHighPerfMask) == LongDispFacilityHighPerfMask; }
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static bool has_extended_immediate() { return (_features[0] & ExtImmedFacilityMask) == ExtImmedFacilityMask; }
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static bool has_StoreClockFast() { return (_features[0] & StoreClockFastMask) == StoreClockFastMask; }
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static bool has_ExtractCPUtime() { return (_features[0] & ExtractCPUTimeMask) == ExtractCPUTimeMask; }
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static bool has_CompareSwapStore() { return (_features[0] & CompareSwapStoreMask) == CompareSwapStoreMask; }
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static bool has_HFPMultiplyAndAdd() { return (_features[0] & HFPMultiplyAndAddMask) == HFPMultiplyAndAddMask; }
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static bool has_HFPUnnormalized() { return (_features[0] & HFPUnnormalizedMask) == HFPUnnormalizedMask; }
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// Make sure we don't run on older ...
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static bool has_GnrlInstrExtensions() { guarantee((_features[0] & GnrlInstrExtFacilityMask) == GnrlInstrExtFacilityMask, "We no more support older than z10."); return true; }
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static bool has_CompareBranch() { return has_GnrlInstrExtensions() && is_z10(); } // Only z10 benefits from these.
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static bool has_CompareTrap() { return has_GnrlInstrExtensions(); }
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static bool has_RelativeLoadStore() { return has_GnrlInstrExtensions(); }
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static bool has_MultiplySingleImm32() { return has_GnrlInstrExtensions(); }
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static bool has_Prefetch() { return has_GnrlInstrExtensions() && (AllocatePrefetchStyle > 0); }
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static bool has_PrefetchRaw() { return has_GnrlInstrExtensions(); }
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static bool has_MoveImmToMem() { return has_GnrlInstrExtensions(); }
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static bool has_ExtractCPUAttributes() { return has_GnrlInstrExtensions(); }
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static bool has_ExecuteExtensions() { return (_features[0] & ExecuteExtensionsMask) == ExecuteExtensionsMask; }
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// Memory-immediate arithmetic instructions. There is no performance penalty in using them.
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// Moreover, these memory-immediate instructions are quasi-atomic (>99.99%) on z10
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// and 100% atomic from z196 onwards, thanks to the specific operand serialization that comes new with z196.
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static bool has_MemWithImmALUOps() { return has_GnrlInstrExtensions(); }
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static bool has_AtomicMemWithImmALUOps() { return has_MemWithImmALUOps() && has_InterlockedAccessV1(); }
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static bool has_FPExtensions() { return (_features[0] & FPExtensionsMask) == FPExtensionsMask; }
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static bool has_FPSupportEnhancements() { return (_features[0] & FPSupportEnhancementsMask) == FPSupportEnhancementsMask; }
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static bool has_DecimalFloatingPoint() { return (_features[0] & DecimalFloatingPointMask) == DecimalFloatingPointMask; }
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static bool has_InterlockedAccessV1() { return (_features[0] & InterlockedAccess1Mask) == InterlockedAccess1Mask; }
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static bool has_LoadAndALUAtomicV1() { return (_features[0] & InterlockedAccess1Mask) == InterlockedAccess1Mask; }
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static bool has_PopCount() { return (_features[0] & PopulationCountMask) == PopulationCountMask; }
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static bool has_LoadStoreConditional() { return (_features[0] & LoadStoreConditionalMask) == LoadStoreConditionalMask; }
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static bool has_HighWordInstr() { return (_features[0] & HighWordMask) == HighWordMask; }
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static bool has_FastSync() { return (_features[0] & FastBCRSerializationMask) == FastBCRSerializationMask; }
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static bool has_DistinctOpnds() { return (_features[0] & DistinctOpndsMask) == DistinctOpndsMask; }
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static bool has_CryptoExt3() { return (_features[1] & CryptoExtension3Mask) == CryptoExtension3Mask; }
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static bool has_CryptoExt4() { return (_features[1] & CryptoExtension4Mask) == CryptoExtension4Mask; }
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static bool has_DFPZonedConversion() { return (_features[0] & DFPZonedConversionMask) == DFPZonedConversionMask; }
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static bool has_DFPPackedConversion() { return (_features[1] & DFPPackedConversionMask) == DFPPackedConversionMask; }
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static bool has_MiscInstrExt() { return (_features[0] & MiscInstrExtMask) == MiscInstrExtMask; }
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static bool has_ExecutionHint() { return (_features[0] & ExecutionHintMask) == ExecutionHintMask; }
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static bool has_LoadAndTrap() { return (_features[0] & LoadAndTrapMask) == LoadAndTrapMask; }
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static bool has_ProcessorAssist() { return (_features[0] & ProcessorAssistMask) == ProcessorAssistMask; }
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static bool has_InterlockedAccessV2() { return (_features[0] & InterlockedAccess2Mask) == InterlockedAccess2Mask; }
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static bool has_LoadAndALUAtomicV2() { return (_features[0] & InterlockedAccess2Mask) == InterlockedAccess2Mask; }
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static bool has_TxMem() { return ((_features[1] & TransactionalExecutionMask) == TransactionalExecutionMask) &&
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((_features[0] & ConstrainedTxExecutionMask) == ConstrainedTxExecutionMask); }
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static bool has_CryptoExt5() { return (_features[0] & CryptoExtension5Mask) == CryptoExtension5Mask; }
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static bool has_LoadStoreConditional2() { return (_features[0] & LoadStoreConditional2Mask) == LoadStoreConditional2Mask; }
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static bool has_VectorFacility() { return (_features[2] & VectorFacilityMask) == VectorFacilityMask; }
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static bool has_TestFeatureImpl() { return (_features[0] & TestFeature1ImplMask) == TestFeature1ImplMask; }
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static bool has_TestFeature1Impl() { return (_features[0] & TestFeature1ImplMask) == TestFeature1ImplMask; }
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static bool has_TestFeature2Impl() { return (_features[0] & TestFeature2ImplMask) == TestFeature2ImplMask; }
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static bool has_TestFeature4Impl() { return (_features[0] & TestFeature4ImplMask) == TestFeature4ImplMask; }
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static bool has_TestFeature8Impl() { return (_features[0] & TestFeature8ImplMask) == TestFeature8ImplMask; }
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static bool has_TestFeaturesImpl() { return has_TestFeature1Impl() || has_TestFeature2Impl() || has_TestFeature4Impl() || has_TestFeature8Impl(); }
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// Crypto features query functions.
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static bool has_Crypto_AES128() { return has_Crypto() && test_feature_bit(&_cipher_features[0], Cipher::_AES128, Cipher::_featureBits); }
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static bool has_Crypto_AES192() { return has_Crypto() && test_feature_bit(&_cipher_features[0], Cipher::_AES192, Cipher::_featureBits); }
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static bool has_Crypto_AES256() { return has_Crypto() && test_feature_bit(&_cipher_features[0], Cipher::_AES256, Cipher::_featureBits); }
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static bool has_Crypto_AES() { return has_Crypto_AES128() || has_Crypto_AES192() || has_Crypto_AES256(); }
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static bool has_Crypto_SHA1() { return has_Crypto() && test_feature_bit(&_msgdigest_features[0], MsgDigest::_SHA1, MsgDigest::_featureBits); }
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static bool has_Crypto_SHA256() { return has_Crypto() && test_feature_bit(&_msgdigest_features[0], MsgDigest::_SHA256, MsgDigest::_featureBits); }
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static bool has_Crypto_SHA512() { return has_Crypto() && test_feature_bit(&_msgdigest_features[0], MsgDigest::_SHA512, MsgDigest::_featureBits); }
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static bool has_Crypto_GHASH() { return has_Crypto() && test_feature_bit(&_msgdigest_features[0], MsgDigest::_GHASH, MsgDigest::_featureBits); }
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static bool has_Crypto_SHA() { return has_Crypto_SHA1() || has_Crypto_SHA256() || has_Crypto_SHA512() || has_Crypto_GHASH(); }
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// CPU feature setters (to force model-specific behaviour). Test/debugging only.
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static void set_has_TestFeature1Impl() { _features[0] |= TestFeature1ImplMask; }
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static void set_has_TestFeature2Impl() { _features[0] |= TestFeature2ImplMask; }
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static void set_has_TestFeature4Impl() { _features[0] |= TestFeature4ImplMask; }
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static void set_has_TestFeature8Impl() { _features[0] |= TestFeature8ImplMask; }
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static void set_has_DecimalFloatingPoint() { _features[0] |= DecimalFloatingPointMask; }
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static void set_has_FPSupportEnhancements() { _features[0] |= FPSupportEnhancementsMask; }
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static void set_has_ExecuteExtensions() { _features[0] |= ExecuteExtensionsMask; }
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static void set_has_MemWithImmALUOps() { _features[0] |= GnrlInstrExtFacilityMask; }
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static void set_has_MoveImmToMem() { _features[0] |= GnrlInstrExtFacilityMask; }
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static void set_has_Prefetch() { _features[0] |= GnrlInstrExtFacilityMask; }
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static void set_has_MultiplySingleImm32() { _features[0] |= GnrlInstrExtFacilityMask; }
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static void set_has_CompareBranch() { _features[0] |= GnrlInstrExtFacilityMask; }
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static void set_has_CompareTrap() { _features[0] |= GnrlInstrExtFacilityMask; }
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static void set_has_RelativeLoadStore() { _features[0] |= GnrlInstrExtFacilityMask; }
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static void set_has_GnrlInstrExtensions() { _features[0] |= GnrlInstrExtFacilityMask; }
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static void set_has_CompareSwapStore() { _features[0] |= CompareSwapStoreMask; }
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static void set_has_HFPMultiplyAndAdd() { _features[0] |= HFPMultiplyAndAddMask; }
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static void set_has_HFPUnnormalized() { _features[0] |= HFPUnnormalizedMask; }
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static void set_has_ExtractCPUtime() { _features[0] |= ExtractCPUTimeMask; }
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static void set_has_StoreClockFast() { _features[0] |= StoreClockFastMask; }
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static void set_has_extended_immediate() { _features[0] |= ExtImmedFacilityMask; }
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static void set_has_long_displacement_fast() { _features[0] |= LongDispFacilityHighPerfMask; }
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static void set_has_long_displacement() { _features[0] |= LongDispFacilityMask; }
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static void set_has_ETF2() { _features[0] |= ETF2Mask; }
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static void set_has_ETF3() { _features[0] |= ETF3Mask; }
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static void set_has_ETF2Enhancements() { _features[0] |= ETF2EnhancementMask; }
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static void set_has_ETF3Enhancements() { _features[0] |= ETF3EnhancementMask; }
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static void set_has_Crypto() { _features[0] |= CryptoFacilityMask; }
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static void set_has_StoreFacilityListExtended() { _features[0] |= StoreFacilityListExtendedMask; }
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static void set_has_InterlockedAccessV1() { _features[0] |= InterlockedAccess1Mask; }
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static void set_has_PopCount() { _features[0] |= PopulationCountMask; }
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static void set_has_LoadStoreConditional() { _features[0] |= LoadStoreConditionalMask; }
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static void set_has_HighWordInstr() { _features[0] |= HighWordMask; }
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static void set_has_FastSync() { _features[0] |= FastBCRSerializationMask; }
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static void set_has_DistinctOpnds() { _features[0] |= DistinctOpndsMask; }
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static void set_has_FPExtensions() { _features[0] |= FPExtensionsMask; }
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static void set_has_MiscInstrExt() { _features[0] |= MiscInstrExtMask; }
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static void set_has_ProcessorAssist() { _features[0] |= ProcessorAssistMask; }
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static void set_has_InterlockedAccessV2() { _features[0] |= InterlockedAccess2Mask; }
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static void set_has_LoadAndALUAtomicV2() { _features[0] |= InterlockedAccess2Mask; }
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static void set_has_TxMem() { _features[0] |= ConstrainedTxExecutionMask; _features[1] |= TransactionalExecutionMask; }
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static void set_has_CryptoExt3() { _features[1] |= CryptoExtension3Mask; }
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static void set_has_CryptoExt4() { _features[1] |= CryptoExtension4Mask; }
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static void set_has_LoadStoreConditional2() { _features[0] |= LoadStoreConditional2Mask; }
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static void set_has_CryptoExt5() { _features[0] |= CryptoExtension5Mask; }
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static void set_has_VectorFacility() { _features[2] |= VectorFacilityMask; }
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static void reset_has_VectorFacility() { _features[2] &= ~VectorFacilityMask; }
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// Assembler testing.
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static void allow_all();
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static void revert();
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// Generate trapping instructions into C-code.
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// Sometimes helpful for debugging.
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static unsigned long z_SIGILL();
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static unsigned long z_SIGSEGV();
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};
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#endif // CPU_S390_VM_VERSION_S390_HPP
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