44 #ifndef HWCAP_AES 45 #define HWCAP_AES (1<<3) 46 #endif 47 48 #ifndef HWCAP_PMULL 49 #define HWCAP_PMULL (1<<4) 50 #endif 51 52 #ifndef HWCAP_SHA1 53 #define HWCAP_SHA1 (1<<5) 54 #endif 55 56 #ifndef HWCAP_SHA2 57 #define HWCAP_SHA2 (1<<6) 58 #endif 59 60 #ifndef HWCAP_CRC32 61 #define HWCAP_CRC32 (1<<7) 62 #endif 63 64 int VM_Version::_cpu; 65 int VM_Version::_model; 66 int VM_Version::_model2; 67 int VM_Version::_variant; 68 int VM_Version::_revision; 69 int VM_Version::_stepping; 70 71 static BufferBlob* stub_blob; 72 static const int stub_size = 550; 73 74 extern "C" { 75 typedef void (*getPsrInfo_stub_t)(void*); 76 } 77 static getPsrInfo_stub_t getPsrInfo_stub = NULL; 78 79 80 class VM_Version_StubGenerator: public StubCodeGenerator { 81 public: 82 83 VM_Version_StubGenerator(CodeBuffer *c) : StubCodeGenerator(c) {} 155 } 156 } 157 fclose(f); 158 } 159 160 // Enable vendor specific features 161 if (_cpu == CPU_CAVIUM && _variant == 0) _features |= CPU_DMB_ATOMICS; 162 if (_cpu == CPU_ARM && (_model == 0xd03 || _model2 == 0xd03)) _features |= CPU_A53MAC; 163 // If an olde style /proc/cpuinfo (cpu_lines == 1) then if _model is an A57 (0xd07) 164 // we assume the worst and assume we could be on a big little system and have 165 // undisclosed A53 cores which we could be swapped to at any stage 166 if (_cpu == CPU_ARM && cpu_lines == 1 && _model == 0xd07) _features |= CPU_A53MAC; 167 168 sprintf(buf, "0x%02x:0x%x:0x%03x:%d", _cpu, _variant, _model, _revision); 169 if (_model2) sprintf(buf+strlen(buf), "(0x%03x)", _model2); 170 if (auxv & HWCAP_ASIMD) strcat(buf, ", simd"); 171 if (auxv & HWCAP_CRC32) strcat(buf, ", crc"); 172 if (auxv & HWCAP_AES) strcat(buf, ", aes"); 173 if (auxv & HWCAP_SHA1) strcat(buf, ", sha1"); 174 if (auxv & HWCAP_SHA2) strcat(buf, ", sha256"); 175 176 _features_string = os::strdup(buf); 177 178 if (FLAG_IS_DEFAULT(UseCRC32)) { 179 UseCRC32 = (auxv & HWCAP_CRC32) != 0; 180 } 181 if (UseCRC32 && (auxv & HWCAP_CRC32) == 0) { 182 warning("UseCRC32 specified, but not supported on this CPU"); 183 } 184 185 if (FLAG_IS_DEFAULT(UseAdler32Intrinsics)) { 186 FLAG_SET_DEFAULT(UseAdler32Intrinsics, true); 187 } 188 189 if (UseVectorizedMismatchIntrinsic) { 190 warning("UseVectorizedMismatchIntrinsic specified, but not available on this CPU."); 191 FLAG_SET_DEFAULT(UseVectorizedMismatchIntrinsic, false); 192 } 193 194 if (auxv & HWCAP_AES) { 195 UseAES = UseAES || FLAG_IS_DEFAULT(UseAES); 196 UseAESIntrinsics = 197 UseAESIntrinsics || (UseAES && FLAG_IS_DEFAULT(UseAESIntrinsics)); 198 if (UseAESIntrinsics && !UseAES) { 199 warning("UseAESIntrinsics enabled, but UseAES not, enabling"); 200 UseAES = true; 201 } 202 } else { 203 if (UseAES) { 204 warning("UseAES specified, but not supported on this CPU"); 205 } 206 if (UseAESIntrinsics) { 207 warning("UseAESIntrinsics specified, but not supported on this CPU"); 208 } 209 } 210 211 if (UseAESCTRIntrinsics) { | 44 #ifndef HWCAP_AES 45 #define HWCAP_AES (1<<3) 46 #endif 47 48 #ifndef HWCAP_PMULL 49 #define HWCAP_PMULL (1<<4) 50 #endif 51 52 #ifndef HWCAP_SHA1 53 #define HWCAP_SHA1 (1<<5) 54 #endif 55 56 #ifndef HWCAP_SHA2 57 #define HWCAP_SHA2 (1<<6) 58 #endif 59 60 #ifndef HWCAP_CRC32 61 #define HWCAP_CRC32 (1<<7) 62 #endif 63 64 #ifndef HWCAP_ATOMICS 65 #define HWCAP_ATOMICS (1<<8) 66 #endif 67 68 int VM_Version::_cpu; 69 int VM_Version::_model; 70 int VM_Version::_model2; 71 int VM_Version::_variant; 72 int VM_Version::_revision; 73 int VM_Version::_stepping; 74 75 static BufferBlob* stub_blob; 76 static const int stub_size = 550; 77 78 extern "C" { 79 typedef void (*getPsrInfo_stub_t)(void*); 80 } 81 static getPsrInfo_stub_t getPsrInfo_stub = NULL; 82 83 84 class VM_Version_StubGenerator: public StubCodeGenerator { 85 public: 86 87 VM_Version_StubGenerator(CodeBuffer *c) : StubCodeGenerator(c) {} 159 } 160 } 161 fclose(f); 162 } 163 164 // Enable vendor specific features 165 if (_cpu == CPU_CAVIUM && _variant == 0) _features |= CPU_DMB_ATOMICS; 166 if (_cpu == CPU_ARM && (_model == 0xd03 || _model2 == 0xd03)) _features |= CPU_A53MAC; 167 // If an olde style /proc/cpuinfo (cpu_lines == 1) then if _model is an A57 (0xd07) 168 // we assume the worst and assume we could be on a big little system and have 169 // undisclosed A53 cores which we could be swapped to at any stage 170 if (_cpu == CPU_ARM && cpu_lines == 1 && _model == 0xd07) _features |= CPU_A53MAC; 171 172 sprintf(buf, "0x%02x:0x%x:0x%03x:%d", _cpu, _variant, _model, _revision); 173 if (_model2) sprintf(buf+strlen(buf), "(0x%03x)", _model2); 174 if (auxv & HWCAP_ASIMD) strcat(buf, ", simd"); 175 if (auxv & HWCAP_CRC32) strcat(buf, ", crc"); 176 if (auxv & HWCAP_AES) strcat(buf, ", aes"); 177 if (auxv & HWCAP_SHA1) strcat(buf, ", sha1"); 178 if (auxv & HWCAP_SHA2) strcat(buf, ", sha256"); 179 if (auxv & HWCAP_ATOMICS) strcat(buf, ", lse"); 180 181 _features_string = os::strdup(buf); 182 183 if (FLAG_IS_DEFAULT(UseCRC32)) { 184 UseCRC32 = (auxv & HWCAP_CRC32) != 0; 185 } 186 if (UseCRC32 && (auxv & HWCAP_CRC32) == 0) { 187 warning("UseCRC32 specified, but not supported on this CPU"); 188 } 189 190 if (FLAG_IS_DEFAULT(UseAdler32Intrinsics)) { 191 FLAG_SET_DEFAULT(UseAdler32Intrinsics, true); 192 } 193 194 if (UseVectorizedMismatchIntrinsic) { 195 warning("UseVectorizedMismatchIntrinsic specified, but not available on this CPU."); 196 FLAG_SET_DEFAULT(UseVectorizedMismatchIntrinsic, false); 197 } 198 199 if (auxv & HWCAP_ATOMICS) { 200 if (FLAG_IS_DEFAULT(UseLSE)) 201 FLAG_SET_DEFAULT(UseLSE, true); 202 } else { 203 if (UseLSE) { 204 warning("UseLSE specified, but not supported on this CPU"); 205 } 206 } 207 208 if (auxv & HWCAP_AES) { 209 UseAES = UseAES || FLAG_IS_DEFAULT(UseAES); 210 UseAESIntrinsics = 211 UseAESIntrinsics || (UseAES && FLAG_IS_DEFAULT(UseAESIntrinsics)); 212 if (UseAESIntrinsics && !UseAES) { 213 warning("UseAESIntrinsics enabled, but UseAES not, enabling"); 214 UseAES = true; 215 } 216 } else { 217 if (UseAES) { 218 warning("UseAES specified, but not supported on this CPU"); 219 } 220 if (UseAESIntrinsics) { 221 warning("UseAESIntrinsics specified, but not supported on this CPU"); 222 } 223 } 224 225 if (UseAESCTRIntrinsics) { |