projects / mirror_edk2.git / blame
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| 80c4b236 JF |
1 | /** @file\r |
| 2 | CPU Common features library header file.\r | |
| 3 | \r | |
| 4 | Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>\r | |
| 5 | This program and the accompanying materials\r | |
| 6 | are licensed and made available under the terms and conditions of the BSD License\r | |
| 7 | which accompanies this distribution. The full text of the license may be found at\r | |
| 8 | http://opensource.org/licenses/bsd-license.php\r | |
| 9 | \r | |
| 10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
| 11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
| 12 | \r | |
| 13 | **/\r | |
| 14 | \r | |
| 15 | #ifndef _CPU_COMMON_FEATURES_H_\r | |
| 16 | #define _CPU_COMMON_FEATURES_H_\r | |
| 17 | \r | |
| 18 | #include <PiDxe.h>\r | |
| 19 | \r | |
| 20 | #include <Library/BaseLib.h>\r | |
| 21 | #include <Library/PcdLib.h>\r | |
| 22 | #include <Library/DebugLib.h>\r | |
| 23 | #include <Library/RegisterCpuFeaturesLib.h>\r | |
| 24 | #include <Library/BaseMemoryLib.h>\r | |
| 25 | #include <Library/MemoryAllocationLib.h>\r | |
| 26 | #include <Library/LocalApicLib.h>\r | |
| 27 | \r | |
| 28 | #include <Register/Cpuid.h>\r | |
| 29 | #include <Register/Msr.h>\r | |
| 30 | \r | |
| 31 | /**\r | |
| 32 | Prepares for the data used by CPU feature detection and initialization.\r | |
| 33 | \r | |
| 34 | @param[in] NumberOfProcessors The number of CPUs in the platform.\r | |
| 35 | \r | |
| 36 | @return Pointer to a buffer of CPU related configuration data.\r | |
| 37 | \r | |
| 38 | @note This service could be called by BSP only.\r | |
| 39 | **/\r | |
| 40 | VOID *\r | |
| 41 | EFIAPI\r | |
| 42 | AesniGetConfigData (\r | |
| 43 | IN UINTN NumberOfProcessors\r | |
| 44 | );\r | |
| 45 | \r | |
| 46 | /**\r | |
| 47 | Detects if AESNI feature supported on current processor.\r | |
| 48 | \r | |
| 49 | @param[in] ProcessorNumber The index of the CPU executing this function.\r | |
| 50 | @param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION\r | |
| 51 | structure for the CPU executing this function.\r | |
| 52 | @param[in] ConfigData A pointer to the configuration buffer returned\r | |
| 53 | by CPU_FEATURE_GET_CONFIG_DATA. NULL if\r | |
| 54 | CPU_FEATURE_GET_CONFIG_DATA was not provided in\r | |
| 55 | RegisterCpuFeature().\r | |
| 56 | \r | |
| 57 | @retval TRUE AESNI feature is supported.\r | |
| 58 | @retval FALSE AESNI feature is not supported.\r | |
| 59 | \r | |
| 60 | @note This service could be called by BSP/APs.\r | |
| 61 | **/\r | |
| 62 | BOOLEAN\r | |
| 63 | EFIAPI\r | |
| 64 | AesniSupport (\r | |
| 65 | IN UINTN ProcessorNumber,\r | |
| 66 | IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,\r | |
| 67 | IN VOID *ConfigData OPTIONAL\r | |
| 68 | );\r | |
| 69 | \r | |
| 70 | /**\r | |
| 71 | Initializes AESNI feature to specific state.\r | |
| 72 | \r | |
| 73 | @param[in] ProcessorNumber The index of the CPU executing this function.\r | |
| 74 | @param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION\r | |
| 75 | structure for the CPU executing this function.\r | |
| 76 | @param[in] ConfigData A pointer to the configuration buffer returned\r | |
| 77 | by CPU_FEATURE_GET_CONFIG_DATA. NULL if\r | |
| 78 | CPU_FEATURE_GET_CONFIG_DATA was not provided in\r | |
| 79 | RegisterCpuFeature().\r | |
| 80 | @param[in] State If TRUE, then the AESNI feature must be enabled.\r | |
| 81 | If FALSE, then the AESNI feature must be disabled.\r | |
| 82 | \r | |
| 83 | @retval RETURN_SUCCESS AESNI feature is initialized.\r | |
| 84 | \r | |
| 85 | @note This service could be called by BSP only.\r | |
| 86 | **/\r | |
| 87 | RETURN_STATUS\r | |
| 88 | EFIAPI\r | |
| 89 | AesniInitialize (\r | |
| 90 | IN UINTN ProcessorNumber,\r | |
| 91 | IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,\r | |
| 92 | IN VOID *ConfigData, OPTIONAL\r | |
| 93 | IN BOOLEAN State\r | |
| 94 | );\r | |
| 95 | \r | |
| 96 | /**\r | |
| 97 | Detects if Clock Modulation feature supported on current processor.\r | |
| 98 | \r | |
| 99 | @param[in] ProcessorNumber The index of the CPU executing this function.\r | |
| 100 | @param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION\r | |
| 101 | structure for the CPU executing this function.\r | |
| 102 | @param[in] ConfigData A pointer to the configuration buffer returned\r | |
| 103 | by CPU_FEATURE_GET_CONFIG_DATA. NULL if\r | |
| 104 | CPU_FEATURE_GET_CONFIG_DATA was not provided in\r | |
| 105 | RegisterCpuFeature().\r | |
| 106 | \r | |
| 107 | @retval TRUE Clock Modulation feature is supported.\r | |
| 108 | @retval FALSE Clock Modulation feature is not supported.\r | |
| 109 | \r | |
| 110 | @note This service could be called by BSP/APs.\r | |
| 111 | **/\r | |
| 112 | BOOLEAN\r | |
| 113 | EFIAPI\r | |
| 114 | ClockModulationSupport (\r | |
| 115 | IN UINTN ProcessorNumber,\r | |
| 116 | IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,\r | |
| 117 | IN VOID *ConfigData OPTIONAL\r | |
| 118 | );\r | |
| 119 | \r | |
| 120 | /**\r | |
| 121 | Initializes Clock Modulation feature to specific state.\r | |
| 122 | \r | |
| 123 | @param[in] ProcessorNumber The index of the CPU executing this function.\r | |
| 124 | @param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION\r | |
| 125 | structure for the CPU executing this function.\r | |
| 126 | @param[in] ConfigData A pointer to the configuration buffer returned\r | |
| 127 | by CPU_FEATURE_GET_CONFIG_DATA. NULL if\r | |
| 128 | CPU_FEATURE_GET_CONFIG_DATA was not provided in\r | |
| 129 | RegisterCpuFeature().\r | |
| 130 | @param[in] State If TRUE, then the Clock Modulation feature must be enabled.\r | |
| 131 | If FALSE, then the Clock Modulation feature must be disabled.\r | |
| 132 | \r | |
| 133 | @retval RETURN_SUCCESS Clock Modulation feature is initialized.\r | |
| 134 | \r | |
| 135 | @note This service could be called by BSP only.\r | |
| 136 | **/\r | |
| 137 | RETURN_STATUS\r | |
| 138 | EFIAPI\r | |
| 139 | ClockModulationInitialize (\r | |
| 140 | IN UINTN ProcessorNumber,\r | |
| 141 | IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,\r | |
| 142 | IN VOID *ConfigData, OPTIONAL\r | |
| 143 | IN BOOLEAN State\r | |
| 144 | );\r | |
| 145 | \r | |
| 146 | /**\r | |
| 147 | Detects if Enhanced Intel SpeedStep feature supported on current processor.\r | |
| 148 | \r | |
| 149 | @param[in] ProcessorNumber The index of the CPU executing this function.\r | |
| 150 | @param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION\r | |
| 151 | structure for the CPU executing this function.\r | |
| 152 | @param[in] ConfigData A pointer to the configuration buffer returned\r | |
| 153 | by CPU_FEATURE_GET_CONFIG_DATA. NULL if\r | |
| 154 | CPU_FEATURE_GET_CONFIG_DATA was not provided in\r | |
| 155 | RegisterCpuFeature().\r | |
| 156 | \r | |
| 157 | @retval TRUE Enhanced Intel SpeedStep feature is supported.\r | |
| 158 | @retval FALSE Enhanced Intel SpeedStep feature is not supported.\r | |
| 159 | \r | |
| 160 | @note This service could be called by BSP/APs.\r | |
| 161 | **/\r | |
| 162 | BOOLEAN\r | |
| 163 | EFIAPI\r | |
| 164 | EistSupport (\r | |
| 165 | IN UINTN ProcessorNumber,\r | |
| 166 | IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,\r | |
| 167 | IN VOID *ConfigData OPTIONAL\r | |
| 168 | );\r | |
| 169 | \r | |
| 170 | /**\r | |
| 171 | Initializes Enhanced Intel SpeedStep feature to specific state.\r | |
| 172 | \r | |
| 173 | @param[in] ProcessorNumber The index of the CPU executing this function.\r | |
| 174 | @param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION\r | |
| 175 | structure for the CPU executing this function.\r | |
| 176 | @param[in] ConfigData A pointer to the configuration buffer returned\r | |
| 177 | by CPU_FEATURE_GET_CONFIG_DATA. NULL if\r | |
| 178 | CPU_FEATURE_GET_CONFIG_DATA was not provided in\r | |
| 179 | RegisterCpuFeature().\r | |
| 180 | @param[in] State If TRUE, then the Enhanced Intel SpeedStep feature\r | |
| 181 | must be enabled.\r | |
| 182 | If FALSE, then the Enhanced Intel SpeedStep feature\r | |
| 183 | must be disabled.\r | |
| 184 | \r | |
| 185 | @retval RETURN_SUCCESS Enhanced Intel SpeedStep feature is initialized.\r | |
| 186 | \r | |
| 187 | @note This service could be called by BSP only.\r | |
| 188 | **/\r | |
| 189 | RETURN_STATUS\r | |
| 190 | EFIAPI\r | |
| 191 | EistInitialize (\r | |
| 192 | IN UINTN ProcessorNumber,\r | |
| 193 | IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,\r | |
| 194 | IN VOID *ConfigData, OPTIONAL\r | |
| 195 | IN BOOLEAN State\r | |
| 196 | );\r | |
| 197 | \r | |
| 198 | /**\r | |
| 199 | Detects if Execute Disable feature supported on current processor.\r | |
| 200 | \r | |
| 201 | @param[in] ProcessorNumber The index of the CPU executing this function.\r | |
| 202 | @param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION\r | |
| 203 | structure for the CPU executing this function.\r | |
| 204 | @param[in] ConfigData A pointer to the configuration buffer returned\r | |
| 205 | by CPU_FEATURE_GET_CONFIG_DATA. NULL if\r | |
| 206 | CPU_FEATURE_GET_CONFIG_DATA was not provided in\r | |
| 207 | RegisterCpuFeature().\r | |
| 208 | \r | |
| 209 | @retval TRUE Execute Disable feature is supported.\r | |
| 210 | @retval FALSE Execute Disable feature is not supported.\r | |
| 211 | \r | |
| 212 | @note This service could be called by BSP/APs.\r | |
| 213 | **/\r | |
| 214 | BOOLEAN\r | |
| 215 | EFIAPI\r | |
| 216 | ExecuteDisableSupport (\r | |
| 217 | IN UINTN ProcessorNumber,\r | |
| 218 | IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,\r | |
| 219 | IN VOID *ConfigData OPTIONAL\r | |
| 220 | );\r | |
| 221 | \r | |
| 222 | /**\r | |
| 223 | Initializes Execute Disable feature to specific state.\r | |
| 224 | \r | |
| 225 | @param[in] ProcessorNumber The index of the CPU executing this function.\r | |
| 226 | @param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION\r | |
| 227 | structure for the CPU executing this function.\r | |
| 228 | @param[in] ConfigData A pointer to the configuration buffer returned\r | |
| 229 | by CPU_FEATURE_GET_CONFIG_DATA. NULL if\r | |
| 230 | CPU_FEATURE_GET_CONFIG_DATA was not provided in\r | |
| 231 | RegisterCpuFeature().\r | |
| 232 | @param[in] State If TRUE, then the Execute Disable feature must be enabled.\r | |
| 233 | If FALSE, then the Execute Disable feature must be disabled.\r | |
| 234 | \r | |
| 235 | @retval RETURN_SUCCESS Execute Disable feature is initialized.\r | |
| 236 | \r | |
| 237 | @note This service could be called by BSP only.\r | |
| 238 | **/\r | |
| 239 | RETURN_STATUS\r | |
| 240 | EFIAPI\r | |
| 241 | ExecuteDisableInitialize (\r | |
| 242 | IN UINTN ProcessorNumber,\r | |
| 243 | IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,\r | |
| 244 | IN VOID *ConfigData, OPTIONAL\r | |
| 245 | IN BOOLEAN State\r | |
| 246 | );\r | |
| 247 | \r | |
| 248 | /**\r | |
| 249 | Initializes Fast-Strings feature to specific state.\r | |
| 250 | \r | |
| 251 | @param[in] ProcessorNumber The index of the CPU executing this function.\r | |
| 252 | @param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION\r | |
| 253 | structure for the CPU executing this function.\r | |
| 254 | @param[in] ConfigData A pointer to the configuration buffer returned\r | |
| 255 | by CPU_FEATURE_GET_CONFIG_DATA. NULL if\r | |
| 256 | CPU_FEATURE_GET_CONFIG_DATA was not provided in\r | |
| 257 | RegisterCpuFeature().\r | |
| 258 | @param[in] State If TRUE, then the Fast-Strings feature must be enabled.\r | |
| 259 | If FALSE, then the Fast-Strings feature must be disabled.\r | |
| 260 | \r | |
| 261 | @retval RETURN_SUCCESS Fast-Strings feature is initialized.\r | |
| 262 | \r | |
| 263 | @note This service could be called by BSP only.\r | |
| 264 | **/\r | |
| 265 | RETURN_STATUS\r | |
| 266 | EFIAPI\r | |
| 267 | FastStringsInitialize (\r | |
| 268 | IN UINTN ProcessorNumber,\r | |
| 269 | IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,\r | |
| 270 | IN VOID *ConfigData, OPTIONAL\r | |
| 271 | IN BOOLEAN State\r | |
| 272 | );\r | |
| 273 | \r | |
| 274 | /**\r | |
| 275 | Detects if MONITOR/MWAIT feature supported on current processor.\r | |
| 276 | \r | |
| 277 | @param[in] ProcessorNumber The index of the CPU executing this function.\r | |
| 278 | @param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION\r | |
| 279 | structure for the CPU executing this function.\r | |
| 280 | @param[in] ConfigData A pointer to the configuration buffer returned\r | |
| 281 | by CPU_FEATURE_GET_CONFIG_DATA. NULL if\r | |
| 282 | CPU_FEATURE_GET_CONFIG_DATA was not provided in\r | |
| 283 | RegisterCpuFeature().\r | |
| 284 | \r | |
| 285 | @retval TRUE MONITOR/MWAIT feature is supported.\r | |
| 286 | @retval FALSE MONITOR/MWAIT feature is not supported.\r | |
| 287 | \r | |
| 288 | @note This service could be called by BSP/APs.\r | |
| 289 | **/\r | |
| 290 | BOOLEAN\r | |
| 291 | EFIAPI\r | |
| 292 | MonitorMwaitSupport (\r | |
| 293 | IN UINTN ProcessorNumber,\r | |
| 294 | IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,\r | |
| 295 | IN VOID *ConfigData OPTIONAL\r | |
| 296 | );\r | |
| 297 | \r | |
| 298 | /**\r | |
| 299 | Initializes MONITOR/MWAIT feature to specific state.\r | |
| 300 | \r | |
| 301 | @param[in] ProcessorNumber The index of the CPU executing this function.\r | |
| 302 | @param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION\r | |
| 303 | structure for the CPU executing this function.\r | |
| 304 | @param[in] ConfigData A pointer to the configuration buffer returned\r | |
| 305 | by CPU_FEATURE_GET_CONFIG_DATA. NULL if\r | |
| 306 | CPU_FEATURE_GET_CONFIG_DATA was not provided in\r | |
| 307 | RegisterCpuFeature().\r | |
| 308 | @param[in] State If TRUE, then the MONITOR/MWAIT feature must be enabled.\r | |
| 309 | If FALSE, then the MONITOR/MWAIT feature must be disabled.\r | |
| 310 | \r | |
| 311 | @retval RETURN_SUCCESS MONITOR/MWAIT feature is initialized.\r | |
| 312 | \r | |
| 313 | @note This service could be called by BSP only.\r | |
| 314 | **/\r | |
| 315 | RETURN_STATUS\r | |
| 316 | EFIAPI\r | |
| 317 | MonitorMwaitInitialize (\r | |
| 318 | IN UINTN ProcessorNumber,\r | |
| 319 | IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,\r | |
| 320 | IN VOID *ConfigData, OPTIONAL\r | |
| 321 | IN BOOLEAN State\r | |
| 322 | );\r | |
| 323 | \r | |
| 324 | /**\r | |
| 325 | Detects if VMX feature supported on current processor.\r | |
| 326 | \r | |
| 327 | @param[in] ProcessorNumber The index of the CPU executing this function.\r | |
| 328 | @param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION\r | |
| 329 | structure for the CPU executing this function.\r | |
| 330 | @param[in] ConfigData A pointer to the configuration buffer returned\r | |
| 331 | by CPU_FEATURE_GET_CONFIG_DATA. NULL if\r | |
| 332 | CPU_FEATURE_GET_CONFIG_DATA was not provided in\r | |
| 333 | RegisterCpuFeature().\r | |
| 334 | \r | |
| 335 | @retval TRUE VMX feature is supported.\r | |
| 336 | @retval FALSE VMX feature is not supported.\r | |
| 337 | \r | |
| 338 | @note This service could be called by BSP/APs.\r | |
| 339 | **/\r | |
| 340 | BOOLEAN\r | |
| 341 | EFIAPI\r | |
| 342 | VmxSupport (\r | |
| 343 | IN UINTN ProcessorNumber,\r | |
| 344 | IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,\r | |
| 345 | IN VOID *ConfigData OPTIONAL\r | |
| 346 | );\r | |
| 347 | \r | |
| 348 | /**\r | |
| b1fe2029 | 349 | Initializes VMX feature to specific state.\r |
| 80c4b236 JF |
350 | \r |
| 351 | @param[in] ProcessorNumber The index of the CPU executing this function.\r | |
| 352 | @param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION\r | |
| 353 | structure for the CPU executing this function.\r | |
| 354 | @param[in] ConfigData A pointer to the configuration buffer returned\r | |
| 355 | by CPU_FEATURE_GET_CONFIG_DATA. NULL if\r | |
| 356 | CPU_FEATURE_GET_CONFIG_DATA was not provided in\r | |
| 357 | RegisterCpuFeature().\r | |
| b1fe2029 ED |
358 | @param[in] State If TRUE, then the VMX feature must be enabled.\r |
| 359 | If FALSE, then the VMX feature must be disabled.\r | |
| 80c4b236 | 360 | \r |
| b1fe2029 | 361 | @retval RETURN_SUCCESS VMX feature is initialized.\r |
| 80c4b236 JF |
362 | \r |
| 363 | @note This service could be called by BSP only.\r | |
| 364 | **/\r | |
| 365 | RETURN_STATUS\r | |
| 366 | EFIAPI\r | |
| b1fe2029 | 367 | VmxInitialize (\r |
| 80c4b236 JF |
368 | IN UINTN ProcessorNumber,\r |
| 369 | IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,\r | |
| 370 | IN VOID *ConfigData, OPTIONAL\r | |
| 371 | IN BOOLEAN State\r | |
| 372 | );\r | |
| 373 | \r | |
| 374 | /**\r | |
| 375 | Detects if Lock Feature Control Register feature supported on current processor.\r | |
| 376 | \r | |
| 377 | @param[in] ProcessorNumber The index of the CPU executing this function.\r | |
| 378 | @param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION\r | |
| 379 | structure for the CPU executing this function.\r | |
| 380 | @param[in] ConfigData A pointer to the configuration buffer returned\r | |
| 381 | by CPU_FEATURE_GET_CONFIG_DATA. NULL if\r | |
| 382 | CPU_FEATURE_GET_CONFIG_DATA was not provided in\r | |
| 383 | RegisterCpuFeature().\r | |
| 384 | \r | |
| 385 | @retval TRUE Lock Feature Control Register feature is supported.\r | |
| 386 | @retval FALSE Lock Feature Control Register feature is not supported.\r | |
| 387 | \r | |
| 388 | @note This service could be called by BSP/APs.\r | |
| 389 | **/\r | |
| 390 | BOOLEAN\r | |
| 391 | EFIAPI\r | |
| 392 | LockFeatureControlRegisterSupport (\r | |
| 393 | IN UINTN ProcessorNumber,\r | |
| 394 | IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,\r | |
| 395 | IN VOID *ConfigData OPTIONAL\r | |
| 396 | );\r | |
| 397 | \r | |
| 398 | /**\r | |
| 399 | Initializes Lock Feature Control Register feature to specific state.\r | |
| 400 | \r | |
| 401 | @param[in] ProcessorNumber The index of the CPU executing this function.\r | |
| 402 | @param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION\r | |
| 403 | structure for the CPU executing this function.\r | |
| 404 | @param[in] ConfigData A pointer to the configuration buffer returned\r | |
| 405 | by CPU_FEATURE_GET_CONFIG_DATA. NULL if\r | |
| 406 | CPU_FEATURE_GET_CONFIG_DATA was not provided in\r | |
| 407 | RegisterCpuFeature().\r | |
| 408 | @param[in] State If TRUE, then the Lock Feature Control Register feature must be enabled.\r | |
| 409 | If FALSE, then the Lock Feature Control Register feature must be disabled.\r | |
| 410 | \r | |
| 411 | @retval RETURN_SUCCESS Lock Feature Control Register feature is initialized.\r | |
| 412 | \r | |
| 413 | @note This service could be called by BSP only.\r | |
| 414 | **/\r | |
| 415 | RETURN_STATUS\r | |
| 416 | EFIAPI\r | |
| 417 | LockFeatureControlRegisterInitialize (\r | |
| 418 | IN UINTN ProcessorNumber,\r | |
| 419 | IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,\r | |
| 420 | IN VOID *ConfigData, OPTIONAL\r | |
| 421 | IN BOOLEAN State\r | |
| 422 | );\r | |
| 423 | \r | |
| 424 | /**\r | |
| 425 | Detects if SMX feature supported on current processor.\r | |
| 426 | \r | |
| 427 | @param[in] ProcessorNumber The index of the CPU executing this function.\r | |
| 428 | @param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION\r | |
| 429 | structure for the CPU executing this function.\r | |
| 430 | @param[in] ConfigData A pointer to the configuration buffer returned\r | |
| 431 | by CPU_FEATURE_GET_CONFIG_DATA. NULL if\r | |
| 432 | CPU_FEATURE_GET_CONFIG_DATA was not provided in\r | |
| 433 | RegisterCpuFeature().\r | |
| 434 | \r | |
| 435 | @retval TRUE SMX feature is supported.\r | |
| 436 | @retval FALSE SMX feature is not supported.\r | |
| 437 | \r | |
| 438 | @note This service could be called by BSP/APs.\r | |
| 439 | **/\r | |
| 440 | BOOLEAN\r | |
| 441 | EFIAPI\r | |
| 442 | SmxSupport (\r | |
| 443 | IN UINTN ProcessorNumber,\r | |
| 444 | IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,\r | |
| 445 | IN VOID *ConfigData OPTIONAL\r | |
| 446 | );\r | |
| 447 | \r | |
| 448 | /**\r | |
| b1fe2029 | 449 | Initializes SMX feature to specific state.\r |
| 80c4b236 JF |
450 | \r |
| 451 | @param[in] ProcessorNumber The index of the CPU executing this function.\r | |
| 452 | @param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION\r | |
| 453 | structure for the CPU executing this function.\r | |
| 454 | @param[in] ConfigData A pointer to the configuration buffer returned\r | |
| 455 | by CPU_FEATURE_GET_CONFIG_DATA. NULL if\r | |
| 456 | CPU_FEATURE_GET_CONFIG_DATA was not provided in\r | |
| 457 | RegisterCpuFeature().\r | |
| b1fe2029 ED |
458 | @param[in] State If TRUE, then SMX feature must be enabled.\r |
| 459 | If FALSE, then SMX feature must be disabled.\r | |
| 80c4b236 | 460 | \r |
| b1fe2029 ED |
461 | @retval RETURN_SUCCESS SMX feature is initialized.\r |
| 462 | @retval RETURN_UNSUPPORTED VMX not initialized.\r | |
| 80c4b236 JF |
463 | \r |
| 464 | @note This service could be called by BSP only.\r | |
| 465 | **/\r | |
| 466 | RETURN_STATUS\r | |
| 467 | EFIAPI\r | |
| b1fe2029 | 468 | SmxInitialize (\r |
| 80c4b236 JF |
469 | IN UINTN ProcessorNumber,\r |
| 470 | IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,\r | |
| 471 | IN VOID *ConfigData, OPTIONAL\r | |
| 472 | IN BOOLEAN State\r | |
| 473 | );\r | |
| 474 | \r | |
| 475 | /**\r | |
| 476 | Detects if LimitCpuidMaxval feature supported on current processor.\r | |
| 477 | \r | |
| 478 | @param[in] ProcessorNumber The index of the CPU executing this function.\r | |
| 479 | @param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION\r | |
| 480 | structure for the CPU executing this function.\r | |
| 481 | @param[in] ConfigData A pointer to the configuration buffer returned\r | |
| 482 | by CPU_FEATURE_GET_CONFIG_DATA. NULL if\r | |
| 483 | CPU_FEATURE_GET_CONFIG_DATA was not provided in\r | |
| 484 | RegisterCpuFeature().\r | |
| 485 | \r | |
| 486 | @retval TRUE LimitCpuidMaxval feature is supported.\r | |
| 487 | @retval FALSE LimitCpuidMaxval feature is not supported.\r | |
| 488 | \r | |
| 489 | @note This service could be called by BSP/APs.\r | |
| 490 | **/\r | |
| 491 | BOOLEAN\r | |
| 492 | EFIAPI\r | |
| 493 | LimitCpuidMaxvalSupport (\r | |
| 494 | IN UINTN ProcessorNumber,\r | |
| 495 | IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,\r | |
| 496 | IN VOID *ConfigData OPTIONAL\r | |
| 497 | );\r | |
| 498 | \r | |
| 499 | /**\r | |
| 500 | Initializes LimitCpuidMaxval feature to specific state.\r | |
| 501 | \r | |
| 502 | @param[in] ProcessorNumber The index of the CPU executing this function.\r | |
| 503 | @param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION\r | |
| 504 | structure for the CPU executing this function.\r | |
| 505 | @param[in] ConfigData A pointer to the configuration buffer returned\r | |
| 506 | by CPU_FEATURE_GET_CONFIG_DATA. NULL if\r | |
| 507 | CPU_FEATURE_GET_CONFIG_DATA was not provided in\r | |
| 508 | RegisterCpuFeature().\r | |
| 509 | @param[in] State If TRUE, then the LimitCpuidMaxval feature must be enabled.\r | |
| 510 | If FALSE, then the LimitCpuidMaxval feature must be disabled.\r | |
| 511 | \r | |
| 512 | @retval RETURN_SUCCESS LimitCpuidMaxval feature is initialized.\r | |
| 513 | \r | |
| 514 | @note This service could be called by BSP only.\r | |
| 515 | **/\r | |
| 516 | RETURN_STATUS\r | |
| 517 | EFIAPI\r | |
| 518 | LimitCpuidMaxvalInitialize (\r | |
| 519 | IN UINTN ProcessorNumber,\r | |
| 520 | IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,\r | |
| 521 | IN VOID *ConfigData, OPTIONAL\r | |
| 522 | IN BOOLEAN State\r | |
| 523 | );\r | |
| 524 | \r | |
| 525 | /**\r | |
| 526 | Detects if Machine Check Exception feature supported on current processor.\r | |
| 527 | \r | |
| 528 | @param[in] ProcessorNumber The index of the CPU executing this function.\r | |
| 529 | @param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION\r | |
| 530 | structure for the CPU executing this function.\r | |
| 531 | @param[in] ConfigData A pointer to the configuration buffer returned\r | |
| 532 | by CPU_FEATURE_GET_CONFIG_DATA. NULL if\r | |
| 533 | CPU_FEATURE_GET_CONFIG_DATA was not provided in\r | |
| 534 | RegisterCpuFeature().\r | |
| 535 | \r | |
| 536 | @retval TRUE Machine Check Exception feature is supported.\r | |
| 537 | @retval FALSE Machine Check Exception feature is not supported.\r | |
| 538 | \r | |
| 539 | @note This service could be called by BSP/APs.\r | |
| 540 | **/\r | |
| 541 | BOOLEAN\r | |
| 542 | EFIAPI\r | |
| 543 | MceSupport (\r | |
| 544 | IN UINTN ProcessorNumber,\r | |
| 545 | IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,\r | |
| 546 | IN VOID *ConfigData OPTIONAL\r | |
| 547 | );\r | |
| 548 | \r | |
| 549 | /**\r | |
| 550 | Initializes Machine Check Exception feature to specific state.\r | |
| 551 | \r | |
| 552 | @param[in] ProcessorNumber The index of the CPU executing this function.\r | |
| 553 | @param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION\r | |
| 554 | structure for the CPU executing this function.\r | |
| 555 | @param[in] ConfigData A pointer to the configuration buffer returned\r | |
| 556 | by CPU_FEATURE_GET_CONFIG_DATA. NULL if\r | |
| 557 | CPU_FEATURE_GET_CONFIG_DATA was not provided in\r | |
| 558 | RegisterCpuFeature().\r | |
| 559 | @param[in] State If TRUE, then the Machine Check Exception feature must be enabled.\r | |
| 560 | If FALSE, then the Machine Check Exception feature must be disabled.\r | |
| 561 | \r | |
| 562 | @retval RETURN_SUCCESS Machine Check Exception feature is initialized.\r | |
| 563 | \r | |
| 564 | @note This service could be called by BSP only.\r | |
| 565 | **/\r | |
| 566 | RETURN_STATUS\r | |
| 567 | EFIAPI\r | |
| 568 | MceInitialize (\r | |
| 569 | IN UINTN ProcessorNumber,\r | |
| 570 | IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,\r | |
| 571 | IN VOID *ConfigData, OPTIONAL\r | |
| 572 | IN BOOLEAN State\r | |
| 573 | );\r | |
| 574 | \r | |
| 575 | /**\r | |
| 576 | Detects if Machine Check Architecture feature supported on current processor.\r | |
| 577 | \r | |
| 578 | @param[in] ProcessorNumber The index of the CPU executing this function.\r | |
| 579 | @param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION\r | |
| 580 | structure for the CPU executing this function.\r | |
| 581 | @param[in] ConfigData A pointer to the configuration buffer returned\r | |
| 582 | by CPU_FEATURE_GET_CONFIG_DATA. NULL if\r | |
| 583 | CPU_FEATURE_GET_CONFIG_DATA was not provided in\r | |
| 584 | RegisterCpuFeature().\r | |
| 585 | \r | |
| 586 | @retval TRUE Machine Check Architecture feature is supported.\r | |
| 587 | @retval FALSE Machine Check Architecture feature is not supported.\r | |
| 588 | \r | |
| 589 | @note This service could be called by BSP/APs.\r | |
| 590 | **/\r | |
| 591 | BOOLEAN\r | |
| 592 | EFIAPI\r | |
| 593 | McaSupport (\r | |
| 594 | IN UINTN ProcessorNumber,\r | |
| 595 | IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,\r | |
| 596 | IN VOID *ConfigData OPTIONAL\r | |
| 597 | );\r | |
| 598 | \r | |
| 599 | /**\r | |
| 600 | Initializes Machine Check Architecture feature to specific state.\r | |
| 601 | \r | |
| 602 | @param[in] ProcessorNumber The index of the CPU executing this function.\r | |
| 603 | @param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION\r | |
| 604 | structure for the CPU executing this function.\r | |
| 605 | @param[in] ConfigData A pointer to the configuration buffer returned\r | |
| 606 | by CPU_FEATURE_GET_CONFIG_DATA. NULL if\r | |
| 607 | CPU_FEATURE_GET_CONFIG_DATA was not provided in\r | |
| 608 | RegisterCpuFeature().\r | |
| 609 | @param[in] State If TRUE, then the Machine Check Architecture feature must be enabled.\r | |
| 610 | If FALSE, then the Machine Check Architecture feature must be disabled.\r | |
| 611 | \r | |
| 612 | @retval RETURN_SUCCESS Machine Check Architecture feature is initialized.\r | |
| 613 | \r | |
| 614 | @note This service could be called by BSP only.\r | |
| 615 | **/\r | |
| 616 | RETURN_STATUS\r | |
| 617 | EFIAPI\r | |
| 618 | McaInitialize (\r | |
| 619 | IN UINTN ProcessorNumber,\r | |
| 620 | IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,\r | |
| 621 | IN VOID *ConfigData, OPTIONAL\r | |
| 622 | IN BOOLEAN State\r | |
| 623 | );\r | |
| 624 | \r | |
| 625 | /**\r | |
| 626 | Detects if IA32_MCG_CTL feature supported on current processor.\r | |
| 627 | \r | |
| 628 | @param[in] ProcessorNumber The index of the CPU executing this function.\r | |
| 629 | @param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION\r | |
| 630 | structure for the CPU executing this function.\r | |
| 631 | @param[in] ConfigData A pointer to the configuration buffer returned\r | |
| 632 | by CPU_FEATURE_GET_CONFIG_DATA. NULL if\r | |
| 633 | CPU_FEATURE_GET_CONFIG_DATA was not provided in\r | |
| 634 | RegisterCpuFeature().\r | |
| 635 | \r | |
| 636 | @retval TRUE IA32_MCG_CTL feature is supported.\r | |
| 637 | @retval FALSE IA32_MCG_CTL feature is not supported.\r | |
| 638 | \r | |
| 639 | @note This service could be called by BSP/APs.\r | |
| 640 | **/\r | |
| 641 | BOOLEAN\r | |
| 642 | EFIAPI\r | |
| 643 | McgCtlSupport (\r | |
| 644 | IN UINTN ProcessorNumber,\r | |
| 645 | IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,\r | |
| 646 | IN VOID *ConfigData OPTIONAL\r | |
| 647 | );\r | |
| 648 | \r | |
| 649 | /**\r | |
| 650 | Initializes IA32_MCG_CTL feature to specific state.\r | |
| 651 | \r | |
| 652 | @param[in] ProcessorNumber The index of the CPU executing this function.\r | |
| 653 | @param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION\r | |
| 654 | structure for the CPU executing this function.\r | |
| 655 | @param[in] ConfigData A pointer to the configuration buffer returned\r | |
| 656 | by CPU_FEATURE_GET_CONFIG_DATA. NULL if\r | |
| 657 | CPU_FEATURE_GET_CONFIG_DATA was not provided in\r | |
| 658 | RegisterCpuFeature().\r | |
| 659 | @param[in] State If TRUE, then the IA32_MCG_CTL feature must be enabled.\r | |
| 660 | If FALSE, then the IA32_MCG_CTL feature must be disabled.\r | |
| 661 | \r | |
| 662 | @retval RETURN_SUCCESS IA32_MCG_CTL feature is initialized.\r | |
| 663 | \r | |
| 664 | @note This service could be called by BSP only.\r | |
| 665 | **/\r | |
| 666 | RETURN_STATUS\r | |
| 667 | EFIAPI\r | |
| 668 | McgCtlInitialize (\r | |
| 669 | IN UINTN ProcessorNumber,\r | |
| 670 | IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,\r | |
| 671 | IN VOID *ConfigData, OPTIONAL\r | |
| 672 | IN BOOLEAN State\r | |
| 673 | );\r | |
| 674 | \r | |
| 675 | /**\r | |
| 676 | Detects if Pending Break feature supported on current processor.\r | |
| 677 | \r | |
| 678 | @param[in] ProcessorNumber The index of the CPU executing this function.\r | |
| 679 | @param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION\r | |
| 680 | structure for the CPU executing this function.\r | |
| 681 | @param[in] ConfigData A pointer to the configuration buffer returned\r | |
| 682 | by CPU_FEATURE_GET_CONFIG_DATA. NULL if\r | |
| 683 | CPU_FEATURE_GET_CONFIG_DATA was not provided in\r | |
| 684 | RegisterCpuFeature().\r | |
| 685 | \r | |
| 686 | @retval TRUE Pending Break feature is supported.\r | |
| 687 | @retval FALSE Pending Break feature is not supported.\r | |
| 688 | \r | |
| 689 | @note This service could be called by BSP/APs.\r | |
| 690 | **/\r | |
| 691 | BOOLEAN\r | |
| 692 | EFIAPI\r | |
| 693 | PendingBreakSupport (\r | |
| 694 | IN UINTN ProcessorNumber,\r | |
| 695 | IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,\r | |
| 696 | IN VOID *ConfigData OPTIONAL\r | |
| 697 | );\r | |
| 698 | \r | |
| 699 | /**\r | |
| 700 | Initializes Pending Break feature to specific state.\r | |
| 701 | \r | |
| 702 | @param[in] ProcessorNumber The index of the CPU executing this function.\r | |
| 703 | @param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION\r | |
| 704 | structure for the CPU executing this function.\r | |
| 705 | @param[in] ConfigData A pointer to the configuration buffer returned\r | |
| 706 | by CPU_FEATURE_GET_CONFIG_DATA. NULL if\r | |
| 707 | CPU_FEATURE_GET_CONFIG_DATA was not provided in\r | |
| 708 | RegisterCpuFeature().\r | |
| 709 | @param[in] State If TRUE, then the Pending Break feature must be enabled.\r | |
| 710 | If FALSE, then the Pending Break feature must be disabled.\r | |
| 711 | \r | |
| 712 | @retval RETURN_SUCCESS Pending Break feature is initialized.\r | |
| 713 | \r | |
| 714 | @note This service could be called by BSP only.\r | |
| 715 | **/\r | |
| 716 | RETURN_STATUS\r | |
| 717 | EFIAPI\r | |
| 718 | PendingBreakInitialize (\r | |
| 719 | IN UINTN ProcessorNumber,\r | |
| 720 | IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,\r | |
| 721 | IN VOID *ConfigData, OPTIONAL\r | |
| 722 | IN BOOLEAN State\r | |
| 723 | );\r | |
| 724 | \r | |
| 725 | /**\r | |
| 726 | Detects if C1E feature supported on current processor.\r | |
| 727 | \r | |
| 728 | @param[in] ProcessorNumber The index of the CPU executing this function.\r | |
| 729 | @param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION\r | |
| 730 | structure for the CPU executing this function.\r | |
| 731 | @param[in] ConfigData A pointer to the configuration buffer returned\r | |
| 732 | by CPU_FEATURE_GET_CONFIG_DATA. NULL if\r | |
| 733 | CPU_FEATURE_GET_CONFIG_DATA was not provided in\r | |
| 734 | RegisterCpuFeature().\r | |
| 735 | \r | |
| 736 | @retval TRUE C1E feature is supported.\r | |
| 737 | @retval FALSE C1E feature is not supported.\r | |
| 738 | \r | |
| 739 | @note This service could be called by BSP/APs.\r | |
| 740 | **/\r | |
| 741 | BOOLEAN\r | |
| 742 | EFIAPI\r | |
| 743 | C1eSupport (\r | |
| 744 | IN UINTN ProcessorNumber,\r | |
| 745 | IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,\r | |
| 746 | IN VOID *ConfigData OPTIONAL\r | |
| 747 | );\r | |
| 748 | \r | |
| 749 | /**\r | |
| 750 | Initializes C1E feature to specific state.\r | |
| 751 | \r | |
| 752 | @param[in] ProcessorNumber The index of the CPU executing this function.\r | |
| 753 | @param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION\r | |
| 754 | structure for the CPU executing this function.\r | |
| 755 | @param[in] ConfigData A pointer to the configuration buffer returned\r | |
| 756 | by CPU_FEATURE_GET_CONFIG_DATA. NULL if\r | |
| 757 | CPU_FEATURE_GET_CONFIG_DATA was not provided in\r | |
| 758 | RegisterCpuFeature().\r | |
| 759 | @param[in] State If TRUE, then the C1E feature must be enabled.\r | |
| 760 | If FALSE, then the C1E feature must be disabled.\r | |
| 761 | \r | |
| 762 | @retval RETURN_SUCCESS C1E feature is initialized.\r | |
| 763 | \r | |
| 764 | @note This service could be called by BSP only.\r | |
| 765 | **/\r | |
| 766 | RETURN_STATUS\r | |
| 767 | EFIAPI\r | |
| 768 | C1eInitialize (\r | |
| 769 | IN UINTN ProcessorNumber,\r | |
| 770 | IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,\r | |
| 771 | IN VOID *ConfigData, OPTIONAL\r | |
| 772 | IN BOOLEAN State\r | |
| 773 | );\r | |
| 774 | \r | |
| 6661abb6 JF |
775 | /**\r |
| 776 | Prepares for the data used by CPU feature detection and initialization.\r | |
| 777 | \r | |
| 778 | @param[in] NumberOfProcessors The number of CPUs in the platform.\r | |
| 779 | \r | |
| 780 | @return Pointer to a buffer of CPU related configuration data.\r | |
| 781 | \r | |
| 782 | @note This service could be called by BSP only.\r | |
| 783 | **/\r | |
| 784 | VOID *\r | |
| 785 | EFIAPI\r | |
| 786 | X2ApicGetConfigData (\r | |
| 787 | IN UINTN NumberOfProcessors\r | |
| 788 | );\r | |
| 789 | \r | |
| 80c4b236 JF |
790 | /**\r |
| 791 | Detects if X2Apci feature supported on current processor.\r | |
| 792 | \r | |
| 793 | Detect if X2Apci has been already enabled.\r | |
| 794 | \r | |
| 795 | @param[in] ProcessorNumber The index of the CPU executing this function.\r | |
| 796 | @param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION\r | |
| 797 | structure for the CPU executing this function.\r | |
| 798 | @param[in] ConfigData A pointer to the configuration buffer returned\r | |
| 799 | by CPU_FEATURE_GET_CONFIG_DATA. NULL if\r | |
| 800 | CPU_FEATURE_GET_CONFIG_DATA was not provided in\r | |
| 801 | RegisterCpuFeature().\r | |
| 802 | \r | |
| 803 | @retval TRUE X2Apci feature is supported.\r | |
| 804 | @retval FALSE X2Apci feature is not supported.\r | |
| 805 | \r | |
| 806 | @note This service could be called by BSP/APs.\r | |
| 807 | **/\r | |
| 808 | BOOLEAN\r | |
| 809 | EFIAPI\r | |
| 810 | X2ApicSupport (\r | |
| 811 | IN UINTN ProcessorNumber,\r | |
| 812 | IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,\r | |
| 813 | IN VOID *ConfigData OPTIONAL\r | |
| 814 | );\r | |
| 815 | \r | |
| 816 | /**\r | |
| 817 | Initializes X2Apci feature to specific state.\r | |
| 818 | \r | |
| 819 | @param[in] ProcessorNumber The index of the CPU executing this function.\r | |
| 820 | @param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION\r | |
| 821 | structure for the CPU executing this function.\r | |
| 822 | @param[in] ConfigData A pointer to the configuration buffer returned\r | |
| 823 | by CPU_FEATURE_GET_CONFIG_DATA. NULL if\r | |
| 824 | CPU_FEATURE_GET_CONFIG_DATA was not provided in\r | |
| 825 | RegisterCpuFeature().\r | |
| 826 | @param[in] State If TRUE, then the X2Apci feature must be enabled.\r | |
| 827 | If FALSE, then the X2Apci feature must be disabled.\r | |
| 828 | \r | |
| 829 | @retval RETURN_SUCCESS X2Apci feature is initialized.\r | |
| 830 | \r | |
| 831 | @note This service could be called by BSP only.\r | |
| 832 | **/\r | |
| 833 | RETURN_STATUS\r | |
| 834 | EFIAPI\r | |
| 835 | X2ApicInitialize (\r | |
| 836 | IN UINTN ProcessorNumber,\r | |
| 837 | IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,\r | |
| 838 | IN VOID *ConfigData, OPTIONAL\r | |
| 839 | IN BOOLEAN State\r | |
| 840 | );\r | |
| 841 | \r | |
| 842 | /**\r | |
| 843 | Prepares for the data used by CPU feature detection and initialization.\r | |
| 844 | \r | |
| 845 | @param[in] NumberOfProcessors The number of CPUs in the platform.\r | |
| 846 | \r | |
| 847 | @return Pointer to a buffer of CPU related configuration data.\r | |
| 848 | \r | |
| 849 | @note This service could be called by BSP only.\r | |
| 850 | **/\r | |
| 851 | VOID *\r | |
| 852 | EFIAPI\r | |
| 853 | FeatureControlGetConfigData (\r | |
| 854 | IN UINTN NumberOfProcessors\r | |
| 855 | );\r | |
| 856 | \r | |
| 857 | #endif\r |