1 // Copyright 2023 Google LLC 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #ifndef CPU_FEATURES_INCLUDE_CPUINFO_LOONGARCH_H_ 16 #define CPU_FEATURES_INCLUDE_CPUINFO_LOONGARCH_H_ 17 18 #include "cpu_features_cache_info.h" 19 #include "cpu_features_macros.h" 20 21 #if !defined(CPU_FEATURES_ARCH_LOONGARCH) 22 #error "Including cpuinfo_loongarch.h from a non-loongarch target." 23 #endif 24 25 CPU_FEATURES_START_CPP_NAMESPACE 26 27 typedef struct { 28 // Base 29 int CPUCFG : 1; // Instruction for Identify CPU Features 30 31 // Extension 32 int LAM : 1; // Extension for Atomic Memory Access Instructions 33 int UAL : 1; // Extension for Non-Aligned Memory Access 34 int FPU : 1; // Extension for Basic Floating-Point Instructions 35 int LSX : 1; // Extension for Loongson SIMD eXtension 36 int LASX : 1; // Extension for Loongson Advanced SIMD eXtension 37 int CRC32 : 1; // Extension for Cyclic Redundancy Check Instructions 38 int COMPLEX : 1; // Extension for Complex Vector Operation Instructions 39 int CRYPTO : 1; // Extension for Encryption And Decryption Vector Instructions 40 int LVZ : 1; // Extension for Virtualization 41 int LBT_X86 : 1; // Extension for X86 Binary Translation Extension 42 int LBT_ARM : 1; // Extension for ARM Binary Translation Extension 43 int LBT_MIPS : 1; // Extension for MIPS Binary Translation Extension 44 int PTW : 1; // Extension for Page Table Walker 45 46 } LoongArchFeatures; 47 48 typedef struct { 49 LoongArchFeatures features; 50 } LoongArchInfo; 51 52 typedef enum { 53 LOONGARCH_CPUCFG, 54 LOONGARCH_LAM, 55 LOONGARCH_UAL, 56 LOONGARCH_FPU, 57 LOONGARCH_LSX, 58 LOONGARCH_LASX, 59 LOONGARCH_CRC32, 60 LOONGARCH_COMPLEX, 61 LOONGARCH_CRYPTO, 62 LOONGARCH_LVZ, 63 LOONGARCH_LBT_X86, 64 LOONGARCH_LBT_ARM, 65 LOONGARCH_LBT_MIPS, 66 LOONGARCH_PTW, 67 LOONGARCH_LAST_, 68 } LoongArchFeaturesEnum; 69 70 LoongArchInfo GetLoongArchInfo(void); 71 int GetLoongArchFeaturesEnumValue(const LoongArchFeatures* features, 72 LoongArchFeaturesEnum value); 73 const char* GetLoongArchFeaturesEnumName(LoongArchFeaturesEnum); 74 75 CPU_FEATURES_END_CPP_NAMESPACE 76 77 #endif // CPU_FEATURES_INCLUDE_CPUINFO_LOONGARCH_H_ 78