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// Copyright 2022 IBM
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef CPU_FEATURES_INCLUDE_CPUINFO_S390X_H_
#define CPU_FEATURES_INCLUDE_CPUINFO_S390X_H_
#include "cpu_features_cache_info.h"
#include "cpu_features_macros.h"
CPU_FEATURES_START_CPP_NAMESPACE
typedef struct {
int esan3: 1; // instructions named N3, "backported" to esa-mode
int zarch: 1; // z/Architecture mode active
int stfle: 1; // store-facility-list-extended
int msa: 1; // message-security assist
int ldisp: 1; // long-displacement
int eimm: 1; // extended-immediate
int dfp: 1; // decimal floating point & perform floating point operation
int edat: 1; // huge page support
int etf3eh: 1; // extended-translation facility 3 enhancement
int highgprs: 1; // 64-bit register support for 31-bit processes
int te: 1; // transactional execution
int vx: 1; // vector extension facility
int vxd: 1; // vector-packed-decimal facility
int vxe: 1; // vector-enhancement facility 1
int gs: 1; // guarded-storage facility
int vxe2: 1; // vector-enhancements facility 2
int vxp: 1; // vector-packed-decimal-enhancement facility
int sort: 1; // enhanced-sort facility
int dflt: 1; // deflate-conversion facility
int vxp2: 1; // vector-packed-decimal-enhancement facility 2
int nnpa: 1; // neural network processing assist facility
int pcimio: 1; // PCI mio facility
int sie: 1; // virtualization support
// Make sure to update S390XFeaturesEnum below if you add a field here.
} S390XFeatures;
typedef struct {
S390XFeatures features;
} S390XInfo;
S390XInfo GetS390XInfo(void);
typedef struct {
char platform[64]; // 0 terminated string
} S390XPlatformTypeStrings;
typedef struct {
int num_processors; // -1 if N/A
S390XPlatformTypeStrings type;
} S390XPlatformStrings;
S390XPlatformStrings GetS390XPlatformStrings(void);
////////////////////////////////////////////////////////////////////////////////
// Introspection functions
typedef enum {
S390_ESAN3,
S390_ZARCH,
S390_STFLE,
S390_MSA,
S390_LDISP,
S390_EIMM,
S390_DFP,
S390_EDAT,
S390_ETF3EH,
S390_HIGHGPRS,
S390_TE,
S390_VX,
S390_VXD,
S390_VXE,
S390_GS,
S390_VXE2,
S390_VXP,
S390_SORT,
S390_DFLT,
S390_VXP2,
S390_NNPA,
S390_PCIMIO,
S390_SIE,
S390X_LAST_,
} S390XFeaturesEnum;
int GetS390XFeaturesEnumValue(const S390XFeatures* features, S390XFeaturesEnum value);
const char* GetS390XFeaturesEnumName(S390XFeaturesEnum);
CPU_FEATURES_END_CPP_NAMESPACE
#if !defined(CPU_FEATURES_ARCH_S390X)
#error "Including cpuinfo_s390x.h from a non-s390x target."
#endif
#endif // CPU_FEATURES_INCLUDE_CPUINFO_S390X_H_
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