| 3eb9473e |
1 | /*++\r |
| 2 | \r |
| 3bbe68a3 |
3 | Copyright (c) 2004 - 2012, Intel Corporation. All rights reserved.<BR>\r |
| 4ea9375a |
4 | This program and the accompanying materials \r |
| 3eb9473e |
5 | are licensed and made available under the terms and conditions of the BSD License \r |
| 6 | which accompanies this distribution. The full text of the license may be found at \r |
| 7 | http://opensource.org/licenses/bsd-license.php \r |
| 8 | \r |
| 9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r |
| 10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r |
| 11 | \r |
| 12 | Module Name:\r |
| 13 | \r |
| 14 | RuntimeLib.c\r |
| 15 | \r |
| 16 | Abstract:\r |
| 17 | \r |
| 18 | Light weight lib to support Tiano Sal drivers.\r |
| 19 | \r |
| 20 | --*/\r |
| 21 | \r |
| 22 | #include "Tiano.h"\r |
| 23 | #include "EfiRuntimeLib.h"\r |
| 24 | #include EFI_PROTOCOL_DEFINITION (ExtendedSalBootService)\r |
| 25 | #include EFI_PROTOCOL_DEFINITION (ExtendedSalGuid)\r |
| 26 | #include "IpfDefines.h"\r |
| 27 | #include "SalApi.h"\r |
| 28 | \r |
| 29 | //\r |
| 30 | // Worker functions in EsalLib.s\r |
| 31 | //\r |
| 32 | SAL_RETURN_REGS\r |
| 33 | GetEsalEntryPoint (\r |
| 34 | VOID\r |
| 35 | );\r |
| 36 | \r |
| 37 | SAL_RETURN_REGS\r |
| 38 | SetEsalPhysicalEntryPoint (\r |
| 39 | IN UINT64 EntryPoint,\r |
| 40 | IN UINT64 Gp\r |
| 41 | );\r |
| 42 | \r |
| 43 | SAL_RETURN_REGS\r |
| 44 | SetEsalVirtualEntryPoint (\r |
| 45 | IN UINT64 EntryPoint,\r |
| 46 | IN UINT64 Gp\r |
| 47 | );\r |
| 48 | \r |
| 49 | VOID\r |
| 50 | SalFlushCache (\r |
| 51 | IN EFI_PHYSICAL_ADDRESS Start,\r |
| 52 | IN UINT64 Length\r |
| 53 | );\r |
| 54 | \r |
| 55 | //\r |
| 56 | // Module Globals. It's not valid to use these after the\r |
| 57 | // EfiRuntimeLibVirtualNotifyEvent has fired.\r |
| 58 | //\r |
| 59 | static EFI_EVENT mEfiVirtualNotifyEvent;\r |
| 60 | static EFI_RUNTIME_SERVICES *mRT;\r |
| 61 | static EFI_PLABEL mPlabel;\r |
| 62 | static EXTENDED_SAL_BOOT_SERVICE_PROTOCOL *mEsalBootService;\r |
| 63 | static BOOLEAN mRuntimeLibInitialized = FALSE;\r |
| 64 | \r |
| 65 | VOID\r |
| 66 | EFIAPI\r |
| 67 | EfiRuntimeLibVirtualNotifyEvent (\r |
| 68 | IN EFI_EVENT Event,\r |
| 69 | IN VOID *Context\r |
| 70 | )\r |
| 71 | /*++\r |
| 72 | \r |
| 73 | Routine Description:\r |
| 74 | \r |
| 75 | Fixup internal data so that EFI and SAL can be call in virtual mode.\r |
| 76 | Call the passed in Child Notify event and convert any pointers in \r |
| 77 | lib to virtual mode.\r |
| 78 | \r |
| 79 | Arguments:\r |
| 80 | \r |
| 81 | Event - The Event that is being processed\r |
| 82 | \r |
| 83 | Context - Event Context\r |
| 84 | \r |
| 85 | Returns: \r |
| 86 | \r |
| 87 | None\r |
| 88 | \r |
| 89 | --*/\r |
| 90 | {\r |
| 91 | EFI_EVENT_NOTIFY ChildNotify;\r |
| 92 | \r |
| 93 | if (Context != NULL) {\r |
| 94 | //\r |
| 95 | // Call child event\r |
| 96 | //\r |
| 97 | ChildNotify = (EFI_EVENT_NOTIFY) (UINTN) Context;\r |
| 98 | ChildNotify (Event, NULL);\r |
| 99 | }\r |
| 100 | \r |
| 101 | mRT->ConvertPointer (EFI_INTERNAL_POINTER, (VOID **) &mPlabel.EntryPoint);\r |
| 102 | mRT->ConvertPointer (EFI_INTERNAL_POINTER | EFI_IPF_GP_POINTER, (VOID **) &mPlabel.GP);\r |
| 103 | \r |
| 104 | SetEsalVirtualEntryPoint (mPlabel.EntryPoint, mPlabel.GP);\r |
| 105 | \r |
| 106 | //\r |
| 107 | // Clear out BootService globals\r |
| 108 | //\r |
| 109 | gBS = NULL;\r |
| 110 | gST = NULL;\r |
| 111 | mRT = NULL;\r |
| 112 | \r |
| 113 | //\r |
| 114 | // Pointers don't work you must use a direct lib call\r |
| 115 | //\r |
| 116 | }\r |
| 117 | \r |
| 118 | EFI_STATUS\r |
| 119 | EfiInitializeRuntimeDriverLib (\r |
| 120 | IN EFI_HANDLE ImageHandle,\r |
| 121 | IN EFI_SYSTEM_TABLE *SystemTable,\r |
| 122 | IN EFI_EVENT_NOTIFY GoVirtualChildEvent\r |
| 123 | )\r |
| 124 | /*++\r |
| 125 | \r |
| 126 | Routine Description:\r |
| 127 | \r |
| 128 | Intialize runtime Driver Lib if it has not yet been initialized. \r |
| 129 | \r |
| 130 | Arguments:\r |
| 131 | \r |
| 132 | ImageHandle - The firmware allocated handle for the EFI image.\r |
| 133 | \r |
| 134 | SystemTable - A pointer to the EFI System Table.\r |
| 135 | \r |
| 136 | GoVirtualChildEvent - Caller can register a virtual notification event.\r |
| 137 | \r |
| 138 | Returns: \r |
| 139 | \r |
| 140 | EFI_STATUS always returns EFI_SUCCESS except EFI_ALREADY_STARTED if already started.\r |
| 141 | \r |
| 142 | --*/\r |
| 143 | {\r |
| 144 | EFI_STATUS Status;\r |
| 145 | EFI_PLABEL *Plabel;\r |
| 146 | \r |
| 147 | if (mRuntimeLibInitialized) {\r |
| 148 | return EFI_ALREADY_STARTED;\r |
| 149 | }\r |
| 150 | \r |
| 151 | mRuntimeLibInitialized = TRUE;\r |
| 152 | \r |
| 153 | gST = SystemTable;\r |
| 154 | gBS = SystemTable->BootServices;\r |
| 155 | mRT = SystemTable->RuntimeServices;\r |
| 156 | Status = EfiLibGetSystemConfigurationTable (&gEfiDxeServicesTableGuid, (VOID **) &gDS);\r |
| 157 | ASSERT_EFI_ERROR (Status);\r |
| 158 | \r |
| 159 | //\r |
| 160 | // The protocol contains a function pointer, which is an indirect procedure call.\r |
| 161 | // An indirect procedure call goes through a plabel, and pointer to a function is\r |
| 162 | // a pointer to a plabel. To implement indirect procedure calls that can work in\r |
| 163 | // both physical and virtual mode, two plabels are required (one physical and one\r |
| 164 | // virtual). So lets grap the physical PLABEL for the EsalEntryPoint and store it\r |
| 165 | // away. We cache it in a module global, so we can register the vitrual version.\r |
| 166 | //\r |
| 717656c7 |
167 | Status = gBS->LocateProtocol (&gEfiExtendedSalBootServiceProtocolGuid, NULL, (VOID **) &mEsalBootService);\r |
| 3eb9473e |
168 | ASSERT_EFI_ERROR (Status);\r |
| 169 | \r |
| 170 | Plabel = (EFI_PLABEL *) (UINTN) mEsalBootService->ExtendedSalProc;\r |
| 171 | \r |
| 172 | mPlabel.EntryPoint = Plabel->EntryPoint;\r |
| 173 | mPlabel.GP = Plabel->GP;\r |
| 174 | \r |
| 175 | SetEsalPhysicalEntryPoint (mPlabel.EntryPoint, mPlabel.GP);\r |
| 176 | \r |
| 177 | //\r |
| 178 | // Create a Virtual address change notification event. Pass in the callers\r |
| 179 | // GoVirtualChildEvent so it's get passed to the event as contex.\r |
| 180 | //\r |
| 181 | Status = gBS->CreateEvent (\r |
| 182 | EFI_EVENT_SIGNAL_VIRTUAL_ADDRESS_CHANGE,\r |
| 183 | EFI_TPL_NOTIFY,\r |
| 184 | EfiRuntimeLibVirtualNotifyEvent,\r |
| 185 | (VOID *) GoVirtualChildEvent,\r |
| 186 | &mEfiVirtualNotifyEvent\r |
| 187 | );\r |
| 188 | ASSERT_EFI_ERROR (Status);\r |
| 189 | \r |
| 190 | return EFI_SUCCESS;\r |
| 191 | }\r |
| 192 | \r |
| 193 | EFI_STATUS\r |
| 194 | EfiShutdownRuntimeDriverLib (\r |
| 195 | VOID\r |
| 196 | )\r |
| 197 | /*++\r |
| 198 | \r |
| 199 | Routine Description:\r |
| 200 | \r |
| 201 | This routine will free some resources which have been allocated in\r |
| 202 | EfiInitializeRuntimeDriverLib(). If a runtime driver exits with an error, \r |
| 203 | it must call this routine to free the allocated resource before the exiting.\r |
| 204 | \r |
| 205 | Arguments:\r |
| 206 | \r |
| 207 | None\r |
| 208 | \r |
| 209 | Returns: \r |
| 210 | \r |
| 211 | EFI_SUCCESS - Shotdown the Runtime Driver Lib successfully\r |
| 212 | EFI_UNSUPPORTED - Runtime Driver lib was not initialized at all\r |
| 213 | \r |
| 214 | --*/\r |
| 215 | {\r |
| 216 | EFI_STATUS Status;\r |
| 217 | \r |
| 218 | if (!mRuntimeLibInitialized) {\r |
| 219 | //\r |
| 220 | // You must call EfiInitializeRuntimeDriverLib() first\r |
| 221 | //\r |
| 222 | return EFI_UNSUPPORTED;\r |
| 223 | }\r |
| 224 | \r |
| 225 | mRuntimeLibInitialized = FALSE;\r |
| 226 | \r |
| 227 | //\r |
| 228 | // Close SetVirtualAddressMap () notify function\r |
| 229 | //\r |
| 230 | Status = gBS->CloseEvent (mEfiVirtualNotifyEvent);\r |
| 231 | ASSERT_EFI_ERROR (Status);\r |
| 232 | \r |
| 233 | return EFI_SUCCESS;\r |
| 234 | }\r |
| 235 | \r |
| 236 | EFI_STATUS\r |
| 237 | RegisterEsalFunction (\r |
| 238 | IN UINT64 FunctionId,\r |
| 239 | IN EFI_GUID *ClassGuid,\r |
| 240 | IN SAL_INTERNAL_EXTENDED_SAL_PROC Function,\r |
| 241 | IN VOID *ModuleGlobal\r |
| 242 | )\r |
| 243 | /*++\r |
| 244 | \r |
| 245 | Routine Description:\r |
| 246 | \r |
| 247 | Register ESAL Class Function and it's asociated global.\r |
| 248 | This function is boot service only!\r |
| 249 | \r |
| 250 | Arguments:\r |
| 251 | FunctionId - ID of function to register\r |
| 252 | ClassGuid - GUID of function class \r |
| 253 | Function - Function to register under ClassGuid/FunctionId pair\r |
| 254 | ModuleGlobal - Module global for Function.\r |
| 255 | \r |
| 256 | Returns: \r |
| 257 | EFI_SUCCESS - If ClassGuid/FunctionId Function was registered.\r |
| 258 | \r |
| 259 | --*/\r |
| 260 | {\r |
| 261 | return mEsalBootService->AddExtendedSalProc (\r |
| 262 | mEsalBootService,\r |
| 263 | ClassGuid,\r |
| 264 | FunctionId,\r |
| 265 | Function,\r |
| 266 | ModuleGlobal\r |
| 267 | );\r |
| 268 | }\r |
| 269 | \r |
| 270 | EFI_STATUS\r |
| 271 | RegisterEsalClass (\r |
| 272 | IN EFI_GUID *ClassGuid,\r |
| 273 | IN VOID *ModuleGlobal,\r |
| 274 | ...\r |
| 275 | )\r |
| 276 | /*++\r |
| 277 | \r |
| 278 | Routine Description:\r |
| 279 | \r |
| 280 | Register ESAL Class and it's asociated global.\r |
| 281 | This function is boot service only!\r |
| 282 | \r |
| 283 | Arguments:\r |
| 284 | ClassGuid - GUID of function class \r |
| 285 | ModuleGlobal - Module global for Function.\r |
| 286 | ... - SAL_INTERNAL_EXTENDED_SAL_PROC and FunctionId pairs. NULL \r |
| 287 | indicates the end of the list.\r |
| 288 | \r |
| 289 | Returns: \r |
| 290 | EFI_SUCCESS - All members of ClassGuid registered\r |
| 291 | \r |
| 292 | --*/\r |
| 293 | {\r |
| 294 | VA_LIST Args;\r |
| 295 | EFI_STATUS Status;\r |
| 296 | SAL_INTERNAL_EXTENDED_SAL_PROC Function;\r |
| 297 | UINT64 FunctionId;\r |
| 298 | EFI_HANDLE NewHandle;\r |
| 299 | \r |
| 300 | VA_START (Args, ModuleGlobal);\r |
| 301 | \r |
| 302 | Status = EFI_SUCCESS;\r |
| 303 | while (!EFI_ERROR (Status)) {\r |
| 304 | Function = (SAL_INTERNAL_EXTENDED_SAL_PROC) VA_ARG (Args, SAL_INTERNAL_EXTENDED_SAL_PROC);\r |
| 305 | if (Function == NULL) {\r |
| 306 | break;\r |
| 307 | }\r |
| 308 | \r |
| 309 | FunctionId = VA_ARG (Args, UINT64);\r |
| 310 | \r |
| 311 | Status = RegisterEsalFunction (FunctionId, ClassGuid, Function, ModuleGlobal);\r |
| 312 | }\r |
| 313 | \r |
| 3bbe68a3 |
314 | VA_END (Args);\r |
| 315 | \r |
| 3eb9473e |
316 | if (EFI_ERROR (Status)) {\r |
| 317 | return Status;\r |
| 318 | }\r |
| 319 | \r |
| 320 | NewHandle = NULL;\r |
| 321 | return gBS->InstallProtocolInterface (\r |
| 322 | &NewHandle,\r |
| 323 | ClassGuid,\r |
| 324 | EFI_NATIVE_INTERFACE,\r |
| 325 | NULL\r |
| 326 | );\r |
| 327 | }\r |
| 328 | \r |
| 329 | SAL_RETURN_REGS\r |
| 330 | EfiCallEsalService (\r |
| 331 | IN EFI_GUID *ClassGuid,\r |
| 332 | IN UINT64 FunctionId,\r |
| 333 | IN UINT64 Arg2,\r |
| 334 | IN UINT64 Arg3,\r |
| 335 | IN UINT64 Arg4,\r |
| 336 | IN UINT64 Arg5,\r |
| 337 | IN UINT64 Arg6,\r |
| 338 | IN UINT64 Arg7,\r |
| 339 | IN UINT64 Arg8\r |
| 340 | )\r |
| 341 | /*++\r |
| 342 | \r |
| 343 | Routine Description:\r |
| 344 | \r |
| 345 | Call module that is not linked direclty to this module. This code is IP \r |
| 346 | relative and hides the binding issues of virtual or physical calling. The\r |
| 347 | function that gets dispatched has extra arguments that include the registered\r |
| 348 | module global and a boolean flag to indicate if the system is in virutal mode.\r |
| 349 | \r |
| 350 | Arguments:\r |
| 351 | ClassGuid - GUID of function\r |
| 352 | FunctionId - Function in ClassGuid to call\r |
| 353 | Arg2 - Argument 2 ClassGuid/FunctionId defined\r |
| 354 | Arg3 - Argument 3 ClassGuid/FunctionId defined\r |
| 355 | Arg4 - Argument 4 ClassGuid/FunctionId defined\r |
| 356 | Arg5 - Argument 5 ClassGuid/FunctionId defined\r |
| 357 | Arg6 - Argument 6 ClassGuid/FunctionId defined\r |
| 358 | Arg7 - Argument 7 ClassGuid/FunctionId defined\r |
| 359 | Arg8 - Argument 8 ClassGuid/FunctionId defined\r |
| 360 | \r |
| 361 | Returns: \r |
| 362 | Status of ClassGuid/FuncitonId\r |
| 363 | \r |
| 364 | --*/\r |
| 365 | {\r |
| 366 | SAL_RETURN_REGS ReturnReg;\r |
| 367 | SAL_EXTENDED_SAL_PROC EsalProc;\r |
| 368 | \r |
| 369 | ReturnReg = GetEsalEntryPoint ();\r |
| 370 | if (ReturnReg.Status != EFI_SAL_SUCCESS) {\r |
| 371 | return ReturnReg;\r |
| 372 | }\r |
| 373 | \r |
| 374 | if (ReturnReg.r11 & PSR_IT_MASK) {\r |
| 375 | //\r |
| 376 | // Virtual mode plabel to entry point\r |
| 377 | //\r |
| 378 | EsalProc = (SAL_EXTENDED_SAL_PROC) ReturnReg.r10;\r |
| 379 | } else {\r |
| 380 | //\r |
| 381 | // Physical mode plabel to entry point\r |
| 382 | //\r |
| 383 | EsalProc = (SAL_EXTENDED_SAL_PROC) ReturnReg.r9;\r |
| 384 | }\r |
| 385 | \r |
| 386 | return EsalProc (\r |
| 387 | ClassGuid,\r |
| 388 | FunctionId,\r |
| 389 | Arg2,\r |
| 390 | Arg3,\r |
| 391 | Arg4,\r |
| 392 | Arg5,\r |
| 393 | Arg6,\r |
| 394 | Arg7,\r |
| 395 | Arg8\r |
| 396 | );\r |
| 397 | }\r |
| 398 | \r |
| 399 | EFI_STATUS\r |
| 400 | EfiConvertPointer (\r |
| 401 | IN UINTN DebugDisposition,\r |
| 402 | IN OUT VOID *Address\r |
| 403 | )\r |
| 404 | /*++\r |
| 405 | \r |
| 406 | Routine Description:\r |
| 407 | \r |
| 408 | Determines the new virtual address that is to be used on subsequent memory accesses.\r |
| 409 | \r |
| 410 | Arguments:\r |
| 411 | \r |
| 412 | DebugDisposition - Supplies type information for the pointer being converted.\r |
| 413 | Address - A pointer to a pointer that is to be fixed to be the value needed\r |
| 414 | for the new virtual address mappings being applied.\r |
| 415 | \r |
| 416 | Returns:\r |
| 417 | \r |
| 418 | Status code\r |
| 419 | \r |
| 420 | --*/\r |
| 421 | {\r |
| 422 | return mRT->ConvertPointer (DebugDisposition, Address);\r |
| 423 | }\r |
| 424 | \r |
| 425 | BOOLEAN\r |
| 426 | EfiGoneVirtual (\r |
| 427 | VOID\r |
| 428 | )\r |
| 429 | /*++\r |
| 430 | \r |
| 431 | Routine Description:\r |
| 432 | Return TRUE if SetVirtualAddressMap () has been called\r |
| 433 | \r |
| 434 | Arguments:\r |
| 435 | NONE\r |
| 436 | \r |
| 437 | Returns: \r |
| 438 | TRUE - If SetVirtualAddressMap () has been called\r |
| 439 | \r |
| 440 | --*/\r |
| 441 | {\r |
| 442 | EFI_GUID Guid = EFI_EXTENDED_SAL_VIRTUAL_SERVICES_PROTOCOL_GUID;\r |
| 443 | SAL_RETURN_REGS ReturnReg;\r |
| 444 | \r |
| 445 | ReturnReg = EfiCallEsalService (&Guid, IsVirtual, 0, 0, 0, 0, 0, 0, 0);\r |
| 446 | \r |
| 447 | return (BOOLEAN) (ReturnReg.r9 == 1);\r |
| 448 | }\r |
| 449 | \r |
| 450 | BOOLEAN\r |
| 451 | EfiAtRuntime (\r |
| 452 | VOID\r |
| 453 | )\r |
| 454 | /*++\r |
| 455 | \r |
| 456 | Routine Description:\r |
| 457 | Return TRUE if ExitBootService () has been called\r |
| 458 | \r |
| 459 | Arguments:\r |
| 460 | NONE\r |
| 461 | \r |
| 462 | Returns: \r |
| 463 | TRUE - If ExitBootService () has been called\r |
| 464 | \r |
| 465 | --*/\r |
| 466 | {\r |
| 467 | EFI_GUID Guid = EFI_EXTENDED_SAL_VIRTUAL_SERVICES_PROTOCOL_GUID;\r |
| 468 | SAL_RETURN_REGS ReturnReg;\r |
| 469 | \r |
| 470 | ReturnReg = EfiCallEsalService (&Guid, IsEfiRuntime, 0, 0, 0, 0, 0, 0, 0);\r |
| 471 | \r |
| 472 | return (BOOLEAN) (ReturnReg.r9 == 1);\r |
| 473 | }\r |
| 474 | \r |
| 475 | EFI_STATUS\r |
| 476 | EfiReportStatusCode (\r |
| 477 | IN EFI_STATUS_CODE_TYPE CodeType,\r |
| 478 | IN EFI_STATUS_CODE_VALUE Value,\r |
| 479 | IN UINT32 Instance,\r |
| 480 | IN EFI_GUID * CallerId,\r |
| 481 | IN EFI_STATUS_CODE_DATA * Data OPTIONAL\r |
| 482 | )\r |
| 483 | /*++\r |
| 484 | \r |
| 485 | Routine Description:\r |
| 486 | \r |
| 487 | Status Code reporter\r |
| 488 | \r |
| 489 | Arguments:\r |
| 490 | \r |
| 491 | CodeType - Type of Status Code.\r |
| 492 | \r |
| 493 | Value - Value to output for Status Code.\r |
| 494 | \r |
| 495 | Instance - Instance Number of this status code.\r |
| 496 | \r |
| 497 | CallerId - ID of the caller of this status code.\r |
| 498 | \r |
| 499 | Data - Optional data associated with this status code.\r |
| 500 | \r |
| 501 | Returns:\r |
| 502 | \r |
| 503 | Status code\r |
| 504 | \r |
| 505 | --*/\r |
| 506 | {\r |
| 507 | EFI_GUID Guid = EFI_EXTENDED_SAL_STATUS_CODE_SERVICES_PROTOCOL_GUID;\r |
| 508 | SAL_RETURN_REGS ReturnReg;\r |
| 509 | \r |
| 510 | \r |
| 511 | ReturnReg = EfiCallEsalService (\r |
| 512 | &Guid,\r |
| 513 | StatusCode,\r |
| 514 | (UINT64) CodeType,\r |
| 515 | (UINT64) Value,\r |
| 516 | (UINT64) Instance,\r |
| 517 | (UINT64) CallerId,\r |
| 518 | (UINT64) Data,\r |
| 519 | 0,\r |
| 520 | 0\r |
| 521 | );\r |
| 522 | \r |
| 523 | return (EFI_STATUS) ReturnReg.Status;\r |
| 524 | }\r |
| 525 | //\r |
| 526 | // Sal Reset Driver Class\r |
| 527 | //\r |
| 528 | VOID\r |
| 529 | EfiResetSystem (\r |
| 530 | IN EFI_RESET_TYPE ResetType,\r |
| 531 | IN EFI_STATUS ResetStatus,\r |
| 532 | IN UINTN DataSize,\r |
| 533 | IN CHAR16 *ResetData\r |
| 534 | )\r |
| 535 | /*++\r |
| 536 | \r |
| 537 | Routine Description:\r |
| 538 | \r |
| 539 | Resets the entire platform.\r |
| 540 | \r |
| 541 | Arguments:\r |
| 542 | \r |
| 543 | ResetType - The type of reset to perform.\r |
| 544 | ResetStatus - The status code for the reset.\r |
| 545 | DataSize - The size, in bytes, of ResetData.\r |
| 546 | ResetData - A data buffer that includes a Null-terminated Unicode string, optionally\r |
| 547 | followed by additional binary data.\r |
| 548 | \r |
| 549 | Returns:\r |
| 550 | \r |
| 551 | None\r |
| 552 | \r |
| 553 | --*/\r |
| 554 | {\r |
| 555 | EFI_GUID Guid = EFI_EXTENDED_SAL_RESET_SERVICES_PROTOCOL_GUID;\r |
| 556 | \r |
| 557 | EfiCallEsalService (\r |
| 558 | &Guid,\r |
| 559 | ResetSystem,\r |
| 560 | (UINT64) ResetType,\r |
| 561 | (UINT64) ResetStatus,\r |
| 562 | (UINT64) DataSize,\r |
| 563 | (UINT64) ResetData,\r |
| 564 | 0,\r |
| 565 | 0,\r |
| 566 | 0\r |
| 567 | );\r |
| 568 | }\r |
| 569 | //\r |
| 570 | // Sal MTC Driver Class\r |
| 571 | //\r |
| 572 | EFI_STATUS\r |
| 573 | EfiGetNextHighMonotonicCount (\r |
| 574 | OUT UINT32 *HighCount\r |
| 575 | )\r |
| 576 | /*++\r |
| 577 | \r |
| 578 | Routine Description:\r |
| 579 | \r |
| fd0d281b |
580 | Returns the next high 32 bits of the platform's monotonic counter.\r |
| 3eb9473e |
581 | \r |
| 582 | Arguments:\r |
| 583 | \r |
| 584 | HighCount - Pointer to returned value.\r |
| 585 | \r |
| 586 | Returns:\r |
| 587 | \r |
| 588 | Status code\r |
| 589 | \r |
| 590 | --*/\r |
| 591 | {\r |
| 592 | SAL_RETURN_REGS ReturnReg;\r |
| 593 | \r |
| 594 | EFI_GUID Guid = EFI_EXTENDED_SAL_MTC_SERVICES_PROTOCOL_GUID;\r |
| 595 | \r |
| 596 | ReturnReg = EfiCallEsalService (&Guid, GetNextHighMonotonicCount, (UINT64) HighCount, 0, 0, 0, 0, 0, 0);\r |
| 597 | return (EFI_STATUS) ReturnReg.Status;\r |
| 598 | }\r |
| 599 | //\r |
| 600 | // Sal Variable Driver Class\r |
| 601 | //\r |
| 602 | EFI_STATUS\r |
| 603 | EfiGetVariable (\r |
| 604 | IN CHAR16 *VariableName,\r |
| 605 | IN EFI_GUID * VendorGuid,\r |
| 606 | OUT UINT32 *Attributes OPTIONAL,\r |
| 607 | IN OUT UINTN *DataSize,\r |
| 608 | OUT VOID *Data\r |
| 609 | )\r |
| 610 | /*++\r |
| 611 | \r |
| 612 | Routine Description:\r |
| 613 | \r |
| 614 | Returns the value of a variable.\r |
| 615 | \r |
| 616 | Arguments:\r |
| 617 | \r |
| 618 | VariableName - A Null-terminated Unicode string that is the name of the\r |
| fd0d281b |
619 | vendor's variable.\r |
| 3eb9473e |
620 | VendorGuid - A unique identifier for the vendor.\r |
| 621 | Attributes - If not NULL, a pointer to the memory location to return the\r |
| 622 | attributes bitmask for the variable.\r |
| 623 | DataSize - On input, the size in bytes of the return Data buffer.\r |
| 624 | On output the size of data returned in Data.\r |
| 625 | Data - The buffer to return the contents of the variable.\r |
| 626 | \r |
| 627 | Returns:\r |
| 628 | \r |
| 629 | Status code\r |
| 630 | \r |
| 631 | --*/\r |
| 632 | {\r |
| 633 | SAL_RETURN_REGS ReturnReg;\r |
| 634 | EFI_GUID Guid = EFI_EXTENDED_SAL_VARIABLE_SERVICES_PROTOCOL_GUID;\r |
| 635 | \r |
| 636 | ReturnReg = EfiCallEsalService (\r |
| 637 | &Guid,\r |
| 638 | EsalGetVariable,\r |
| 639 | (UINT64) VariableName,\r |
| 640 | (UINT64) VendorGuid,\r |
| 641 | (UINT64) Attributes,\r |
| 642 | (UINT64) DataSize,\r |
| 643 | (UINT64) Data,\r |
| 644 | 0,\r |
| 645 | 0\r |
| 646 | );\r |
| 647 | return (EFI_STATUS) ReturnReg.Status;\r |
| 648 | }\r |
| 649 | \r |
| 650 | EFI_STATUS\r |
| 651 | EfiGetNextVariableName (\r |
| 652 | IN OUT UINTN *VariableNameSize,\r |
| 653 | IN OUT CHAR16 *VariableName,\r |
| 654 | IN OUT EFI_GUID *VendorGuid\r |
| 655 | )\r |
| 656 | /*++\r |
| 657 | \r |
| 658 | Routine Description:\r |
| 659 | \r |
| 660 | Enumerates the current variable names.\r |
| 661 | \r |
| 662 | Arguments:\r |
| 663 | \r |
| 664 | VariableNameSize - The size of the VariableName buffer.\r |
| 665 | VariableName - On input, supplies the last VariableName that was returned\r |
| 666 | by GetNextVariableName(). \r |
| 667 | On output, returns the Nullterminated Unicode string of the\r |
| 668 | current variable.\r |
| 669 | VendorGuid - On input, supplies the last VendorGuid that was returned by\r |
| 670 | GetNextVariableName(). \r |
| 671 | On output, returns the VendorGuid of the current variable.\r |
| 672 | \r |
| 673 | Returns:\r |
| 674 | \r |
| 675 | Status code\r |
| 676 | \r |
| 677 | --*/\r |
| 678 | {\r |
| 679 | SAL_RETURN_REGS ReturnReg;\r |
| 680 | EFI_GUID Guid = EFI_EXTENDED_SAL_VARIABLE_SERVICES_PROTOCOL_GUID;\r |
| 681 | \r |
| 682 | ReturnReg = EfiCallEsalService (\r |
| 683 | &Guid,\r |
| 684 | EsalGetNextVariableName,\r |
| 685 | (UINT64) VariableNameSize,\r |
| 686 | (UINT64) VariableName,\r |
| 687 | (UINT64) VendorGuid,\r |
| 688 | 0,\r |
| 689 | 0,\r |
| 690 | 0,\r |
| 691 | 0\r |
| 692 | );\r |
| 693 | return (EFI_STATUS) ReturnReg.Status;\r |
| 694 | }\r |
| 695 | \r |
| 696 | EFI_STATUS\r |
| 697 | EfiSetVariable (\r |
| 698 | IN CHAR16 *VariableName,\r |
| 699 | IN EFI_GUID *VendorGuid,\r |
| 700 | IN UINT32 Attributes,\r |
| 701 | IN UINTN DataSize,\r |
| 702 | IN VOID *Data\r |
| 703 | )\r |
| 704 | /*++\r |
| 705 | \r |
| 706 | Routine Description:\r |
| 707 | \r |
| 708 | Sets the value of a variable.\r |
| 709 | \r |
| 710 | Arguments:\r |
| 711 | \r |
| 712 | VariableName - A Null-terminated Unicode string that is the name of the\r |
| fd0d281b |
713 | vendor's variable.\r |
| 3eb9473e |
714 | VendorGuid - A unique identifier for the vendor.\r |
| 715 | Attributes - Attributes bitmask to set for the variable.\r |
| 716 | DataSize - The size in bytes of the Data buffer.\r |
| 717 | Data - The contents for the variable.\r |
| 718 | \r |
| 719 | Returns:\r |
| 720 | \r |
| 721 | Status code\r |
| 722 | \r |
| 723 | --*/\r |
| 724 | {\r |
| 725 | SAL_RETURN_REGS ReturnReg;\r |
| 726 | EFI_GUID Guid = EFI_EXTENDED_SAL_VARIABLE_SERVICES_PROTOCOL_GUID;\r |
| 727 | \r |
| 728 | ReturnReg = EfiCallEsalService (\r |
| 729 | &Guid,\r |
| 730 | EsalSetVariable,\r |
| 731 | (UINT64) VariableName,\r |
| 732 | (UINT64) VendorGuid,\r |
| 733 | (UINT64) Attributes,\r |
| 734 | (UINT64) DataSize,\r |
| 735 | (UINT64) Data,\r |
| 736 | 0,\r |
| 737 | 0\r |
| 738 | );\r |
| 739 | return (EFI_STATUS) ReturnReg.Status;\r |
| 740 | }\r |
| 741 | \r |
| 742 | #if (EFI_SPECIFICATION_VERSION >= 0x00020000)\r |
| 743 | \r |
| 744 | EFI_STATUS\r |
| 745 | EfiQueryVariableInfo (\r |
| 746 | IN UINT32 Attributes,\r |
| 747 | OUT UINT64 *MaximumVariableStorageSize,\r |
| 748 | OUT UINT64 *RemainingVariableStorageSize,\r |
| 749 | OUT UINT64 *MaximumVariableSize\r |
| 750 | )\r |
| 751 | /*++\r |
| 752 | \r |
| 753 | Routine Description:\r |
| 754 | \r |
| 755 | This code returns information about the EFI variables.\r |
| 756 | \r |
| 757 | Arguments:\r |
| 758 | \r |
| 759 | Attributes Attributes bitmask to specify the type of variables \r |
| 760 | on which to return information.\r |
| 761 | MaximumVariableStorageSize Pointer to the maximum size of the storage space available\r |
| 762 | for the EFI variables associated with the attributes specified.\r |
| 763 | RemainingVariableStorageSize Pointer to the remaining size of the storage space available \r |
| 764 | for the EFI variables associated with the attributes specified.\r |
| 765 | MaximumVariableSize Pointer to the maximum size of the individual EFI variables\r |
| 766 | associated with the attributes specified.\r |
| 767 | \r |
| 768 | Returns:\r |
| 769 | \r |
| 770 | Status code\r |
| 771 | \r |
| 772 | --*/\r |
| 773 | {\r |
| 774 | SAL_RETURN_REGS ReturnReg;\r |
| 775 | EFI_GUID Guid = EFI_EXTENDED_SAL_VARIABLE_SERVICES_PROTOCOL_GUID;\r |
| 776 | \r |
| 777 | ReturnReg = EfiCallEsalService (\r |
| 778 | &Guid,\r |
| 779 | EsalQueryVariableInfo,\r |
| 780 | (UINT64) Attributes,\r |
| 781 | (UINT64) MaximumVariableStorageSize,\r |
| 782 | (UINT64) RemainingVariableStorageSize,\r |
| 783 | (UINT64) MaximumVariableSize,\r |
| 784 | 0, \r |
| 785 | 0,\r |
| 786 | 0\r |
| 787 | );\r |
| 788 | return (EFI_STATUS) ReturnReg.Status;\r |
| 789 | }\r |
| 790 | \r |
| 791 | #endif\r |
| 792 | \r |
| 793 | //\r |
| 794 | // Sal RTC Driver Class.\r |
| 795 | //\r |
| 796 | EFI_STATUS\r |
| 797 | EfiGetTime (\r |
| 798 | OUT EFI_TIME *Time,\r |
| 799 | OUT EFI_TIME_CAPABILITIES *Capabilities\r |
| 800 | )\r |
| 801 | /*++\r |
| 802 | \r |
| 803 | Routine Description:\r |
| 804 | \r |
| 805 | Returns the current time and date information, and the time-keeping \r |
| 806 | capabilities of the hardware platform.\r |
| 807 | \r |
| 808 | Arguments:\r |
| 809 | \r |
| 810 | Time - A pointer to storage to receive a snapshot of the current time.\r |
| fd0d281b |
811 | Capabilities - An optional pointer to a buffer to receive the real time clock device's\r |
| 3eb9473e |
812 | capabilities.\r |
| 813 | \r |
| 814 | Returns:\r |
| 815 | \r |
| 816 | Status code\r |
| 817 | \r |
| 818 | --*/\r |
| 819 | {\r |
| 820 | SAL_RETURN_REGS ReturnReg;\r |
| 821 | EFI_GUID Guid = EFI_EXTENDED_SAL_RTC_SERVICES_PROTOCOL_GUID;\r |
| 822 | \r |
| 823 | ReturnReg = EfiCallEsalService (&Guid, GetTime, (UINT64) Time, (UINT64) Capabilities, 0, 0, 0, 0, 0);\r |
| 824 | return ReturnReg.Status;\r |
| 825 | }\r |
| 826 | \r |
| 827 | EFI_STATUS\r |
| 828 | EfiSetTime (\r |
| 829 | OUT EFI_TIME *Time\r |
| 830 | )\r |
| 831 | /*++\r |
| 832 | \r |
| 833 | Routine Description:\r |
| 834 | \r |
| 835 | Sets the current local time and date information.\r |
| 836 | \r |
| 837 | Arguments:\r |
| 838 | \r |
| 839 | Time - A pointer to the current time.\r |
| 840 | \r |
| 841 | Returns:\r |
| 842 | \r |
| 843 | Status code\r |
| 844 | \r |
| 845 | --*/\r |
| 846 | {\r |
| 847 | SAL_RETURN_REGS ReturnReg;\r |
| 848 | \r |
| 849 | EFI_GUID Guid = EFI_EXTENDED_SAL_RTC_SERVICES_PROTOCOL_GUID;\r |
| 850 | \r |
| 851 | ReturnReg = EfiCallEsalService (&Guid, SetTime, (UINT64) Time, 0, 0, 0, 0, 0, 0);\r |
| 852 | return ReturnReg.Status;\r |
| 853 | }\r |
| 854 | \r |
| 855 | EFI_STATUS\r |
| 856 | EfiGetWakeupTime (\r |
| 857 | OUT BOOLEAN *Enabled,\r |
| 858 | OUT BOOLEAN *Pending,\r |
| 859 | OUT EFI_TIME *Time\r |
| 860 | )\r |
| 861 | /*++\r |
| 862 | \r |
| 863 | Routine Description:\r |
| 864 | \r |
| 865 | Returns the current wakeup alarm clock setting.\r |
| 866 | \r |
| 867 | Arguments:\r |
| 868 | \r |
| 869 | Enabled - Indicates if the alarm is currently enabled or disabled.\r |
| 870 | Pending - Indicates if the alarm signal is pending and requires acknowledgement.\r |
| 871 | Time - The current alarm setting.\r |
| 872 | \r |
| 873 | Returns:\r |
| 874 | \r |
| 875 | Status code\r |
| 876 | \r |
| 877 | --*/\r |
| 878 | {\r |
| 879 | SAL_RETURN_REGS ReturnReg;\r |
| 880 | \r |
| 881 | EFI_GUID Guid = EFI_EXTENDED_SAL_RTC_SERVICES_PROTOCOL_GUID;\r |
| 882 | \r |
| 883 | ReturnReg = EfiCallEsalService (&Guid, GetWakeupTime, (UINT64) Enabled, (UINT64) Pending, (UINT64) Time, 0, 0, 0, 0);\r |
| 884 | return ReturnReg.Status;\r |
| 885 | }\r |
| 886 | \r |
| 887 | EFI_STATUS\r |
| 888 | EfiSetWakeupTime (\r |
| 889 | IN BOOLEAN Enable,\r |
| 890 | IN EFI_TIME *Time\r |
| 891 | )\r |
| 892 | /*++\r |
| 893 | \r |
| 894 | Routine Description:\r |
| 895 | \r |
| 896 | Sets the system wakeup alarm clock time.\r |
| 897 | \r |
| 898 | Arguments:\r |
| 899 | \r |
| 900 | Enable - Enable or disable the wakeup alarm.\r |
| 901 | Time - If Enable is TRUE, the time to set the wakeup alarm for.\r |
| 902 | If Enable is FALSE, then this parameter is optional, and may be NULL.\r |
| 903 | \r |
| 904 | Returns:\r |
| 905 | \r |
| 906 | Status code\r |
| 907 | \r |
| 908 | --*/\r |
| 909 | {\r |
| 910 | SAL_RETURN_REGS ReturnReg;\r |
| 911 | \r |
| 912 | EFI_GUID Guid = EFI_EXTENDED_SAL_RTC_SERVICES_PROTOCOL_GUID;\r |
| 913 | \r |
| 914 | ReturnReg = EfiCallEsalService (&Guid, SetWakeupTime, (UINT64) Enable, (UINT64) Time, 0, 0, 0, 0, 0);\r |
| 915 | return ReturnReg.Status;\r |
| 916 | }\r |
| 917 | \r |
| 918 | \r |
| 919 | \r |
| 920 | //\r |
| 921 | // Base IO Services\r |
| 922 | //\r |
| 923 | EFI_STATUS\r |
| 924 | EfiIoRead (\r |
| 925 | IN EFI_CPU_IO_PROTOCOL_WIDTH Width,\r |
| 926 | IN UINT64 Address,\r |
| 927 | IN UINTN Count,\r |
| 928 | IN OUT VOID *Buffer\r |
| 929 | )\r |
| 930 | /*++\r |
| 931 | \r |
| 932 | Routine Description:\r |
| 933 | Perform an IO read into Buffer.\r |
| 934 | \r |
| 935 | Arguments:\r |
| 936 | Width - Width of read transaction, and repeat operation to use\r |
| 937 | Address - IO address to read\r |
| 938 | Count - Number of times to read the IO address.\r |
| 939 | Buffer - Buffer to read data into. size is Width * Count\r |
| 940 | \r |
| 941 | Returns:\r |
| 942 | Status code\r |
| 943 | \r |
| 944 | --*/\r |
| 945 | {\r |
| 946 | \r |
| 947 | SAL_RETURN_REGS ReturnReg;\r |
| 948 | \r |
| 949 | EFI_GUID Guid = EFI_EXTENDED_SAL_BASE_IO_SERVICES_PROTOCOL_GUID;\r |
| 950 | \r |
| 951 | ReturnReg = EfiCallEsalService (&Guid, IoRead, (UINT64) Width, Address, Count, (UINT64) Buffer, 0, 0, 0);\r |
| 4ac4deb7 |
952 | ASSERT (ReturnReg.Status == EFI_SAL_SUCCESS);\r |
| 3eb9473e |
953 | \r |
| 954 | return ReturnReg.Status;\r |
| 955 | \r |
| 956 | }\r |
| 957 | \r |
| 958 | EFI_STATUS\r |
| 959 | EfiIoWrite (\r |
| 960 | IN EFI_CPU_IO_PROTOCOL_WIDTH Width,\r |
| 961 | IN UINT64 Address,\r |
| 962 | IN UINTN Count,\r |
| 963 | IN OUT VOID *Buffer\r |
| 964 | )\r |
| 965 | /*++\r |
| 966 | \r |
| 967 | Routine Description:\r |
| 968 | Perform an IO write into Buffer.\r |
| 969 | \r |
| 970 | Arguments:\r |
| 971 | Width - Width of write transaction, and repeat operation to use\r |
| 972 | Address - IO address to write\r |
| 973 | Count - Number of times to write the IO address.\r |
| 974 | Buffer - Buffer to write data from. size is Width * Count\r |
| 975 | \r |
| 976 | Returns:\r |
| 977 | Status code\r |
| 978 | \r |
| 979 | --*/\r |
| 980 | {\r |
| 981 | \r |
| 982 | SAL_RETURN_REGS ReturnReg;\r |
| 983 | \r |
| 984 | EFI_GUID Guid = EFI_EXTENDED_SAL_BASE_IO_SERVICES_PROTOCOL_GUID;\r |
| 985 | \r |
| 986 | ReturnReg = EfiCallEsalService (&Guid, IoWrite, (UINT64) Width, Address, Count, (UINT64) Buffer, 0, 0, 0);\r |
| 987 | \r |
| 988 | return ReturnReg.Status;\r |
| 989 | \r |
| 990 | }\r |
| 991 | \r |
| 992 | EFI_STATUS\r |
| 993 | EfiMemRead (\r |
| 994 | IN EFI_CPU_IO_PROTOCOL_WIDTH Width,\r |
| 995 | IN UINT64 Address,\r |
| 996 | IN UINTN Count,\r |
| 997 | IN OUT VOID *Buffer\r |
| 998 | )\r |
| 999 | /*++\r |
| 1000 | \r |
| 1001 | Routine Description:\r |
| 1002 | Perform a Memory mapped IO read into Buffer.\r |
| 1003 | \r |
| 1004 | Arguments:\r |
| 1005 | Width - Width of each read transaction.\r |
| 1006 | Address - Memory mapped IO address to read\r |
| 1007 | Count - Number of Width quanta to read\r |
| 1008 | Buffer - Buffer to read data into. size is Width * Count\r |
| 1009 | \r |
| 1010 | Returns:\r |
| 1011 | Status code\r |
| 1012 | \r |
| 1013 | --*/\r |
| 1014 | {\r |
| 1015 | \r |
| 1016 | SAL_RETURN_REGS ReturnReg;\r |
| 1017 | \r |
| 1018 | EFI_GUID Guid = EFI_EXTENDED_SAL_BASE_IO_SERVICES_PROTOCOL_GUID;\r |
| 1019 | \r |
| 1020 | ReturnReg = EfiCallEsalService (&Guid, MemRead, (UINT64) Width, Address, Count, (UINT64) Buffer, 0, 0, 0);\r |
| 4ac4deb7 |
1021 | ASSERT (ReturnReg.Status == EFI_SAL_SUCCESS);\r |
| 3eb9473e |
1022 | \r |
| 1023 | return ReturnReg.Status;\r |
| 1024 | \r |
| 1025 | }\r |
| 1026 | \r |
| 1027 | EFI_STATUS\r |
| 1028 | EfiMemWrite (\r |
| 1029 | IN EFI_CPU_IO_PROTOCOL_WIDTH Width,\r |
| 1030 | IN UINT64 Address,\r |
| 1031 | IN UINTN Count,\r |
| 1032 | IN OUT VOID *Buffer\r |
| 1033 | )\r |
| 1034 | /*++\r |
| 1035 | \r |
| 1036 | Routine Description:\r |
| 1037 | Perform a memory mapped IO write into Buffer.\r |
| 1038 | \r |
| 1039 | Arguments:\r |
| 1040 | Width - Width of write transaction, and repeat operation to use\r |
| 1041 | Address - IO address to write\r |
| 1042 | Count - Number of times to write the IO address.\r |
| 1043 | Buffer - Buffer to write data from. size is Width * Count\r |
| 1044 | \r |
| 1045 | Returns:\r |
| 1046 | Status code\r |
| 1047 | \r |
| 1048 | --*/\r |
| 1049 | {\r |
| 1050 | \r |
| 1051 | SAL_RETURN_REGS ReturnReg;\r |
| 1052 | \r |
| 1053 | EFI_GUID Guid = EFI_EXTENDED_SAL_BASE_IO_SERVICES_PROTOCOL_GUID;\r |
| 1054 | \r |
| 1055 | ReturnReg = EfiCallEsalService (&Guid, MemWrite, (UINT64) Width, Address, Count, (UINT64) Buffer, 0, 0, 0);\r |
| 1056 | \r |
| 1057 | return ReturnReg.Status;\r |
| 1058 | \r |
| 1059 | }\r |
| 1060 | \r |
| 1061 | \r |
| 1062 | #define EFI_PCI_ADDRESS_IPF(_seg, _bus, _devfunc, _reg) \\r |
| 1063 | (((_seg) << 24) | ((_bus) << 16) | ((_devfunc) << 8) | (_reg)) & 0xFFFFFFFF\r |
| 1064 | \r |
| 1065 | //\r |
| 1066 | // PCI Class Functions\r |
| 1067 | //\r |
| 1068 | UINT8\r |
| 1069 | PciRead8 (\r |
| 1070 | UINT8 Segment,\r |
| 1071 | UINT8 Bus,\r |
| 1072 | UINT8 DevFunc,\r |
| 1073 | UINT8 Register\r |
| 1074 | )\r |
| 1075 | /*++\r |
| 1076 | \r |
| 1077 | Routine Description:\r |
| 1078 | Perform an one byte PCI config cycle read\r |
| 1079 | \r |
| 1080 | Arguments:\r |
| 1081 | Segment - PCI Segment ACPI _SEG\r |
| 1082 | Bus - PCI Bus\r |
| 1083 | DevFunc - PCI Device(7:3) and Func(2:0)\r |
| 1084 | Register - PCI config space register\r |
| 1085 | \r |
| 1086 | Returns:\r |
| 1087 | Data read from PCI config space\r |
| 1088 | \r |
| 1089 | --*/\r |
| 1090 | {\r |
| 1091 | EFI_GUID Guid = EFI_EXTENDED_SAL_PCI_SERVICES_PROTOCOL_GUID;\r |
| 1092 | UINT64 Address;\r |
| 1093 | SAL_RETURN_REGS Return;\r |
| 1094 | \r |
| 1095 | Address = EFI_PCI_ADDRESS_IPF (Segment, Bus, DevFunc, Register);\r |
| 1096 | Return = EfiCallEsalService (&Guid, SalPciConfigRead, Address, 1, 0, 0, 0, 0, 0);\r |
| 1097 | \r |
| 1098 | return (UINT8) Return.r9;\r |
| 1099 | }\r |
| 1100 | \r |
| 1101 | \r |
| 1102 | UINT16\r |
| 1103 | PciRead16 (\r |
| 1104 | UINT8 Segment,\r |
| 1105 | UINT8 Bus,\r |
| 1106 | UINT8 DevFunc,\r |
| 1107 | UINT8 Register\r |
| 1108 | )\r |
| 1109 | /*++\r |
| 1110 | \r |
| 1111 | Routine Description:\r |
| 1112 | Perform an two byte PCI config cycle read\r |
| 1113 | \r |
| 1114 | Arguments:\r |
| 1115 | Segment - PCI Segment ACPI _SEG\r |
| 1116 | Bus - PCI Bus\r |
| 1117 | DevFunc - PCI Device(7:3) and Func(2:0)\r |
| 1118 | Register - PCI config space register\r |
| 1119 | \r |
| 1120 | Returns:\r |
| 1121 | Data read from PCI config space\r |
| 1122 | \r |
| 1123 | --*/\r |
| 1124 | {\r |
| 1125 | EFI_GUID Guid = EFI_EXTENDED_SAL_PCI_SERVICES_PROTOCOL_GUID;\r |
| 1126 | UINT64 Address;\r |
| 1127 | SAL_RETURN_REGS Return;\r |
| 1128 | \r |
| 1129 | Address = EFI_PCI_ADDRESS_IPF (Segment, Bus, DevFunc, Register);\r |
| 1130 | Return = EfiCallEsalService (&Guid, SalPciConfigRead, Address, 2, 0, 0, 0, 0, 0);\r |
| 1131 | \r |
| 1132 | return (UINT16) Return.r9;\r |
| 1133 | }\r |
| 1134 | \r |
| 1135 | UINT32\r |
| 1136 | PciRead32 (\r |
| 1137 | UINT8 Segment,\r |
| 1138 | UINT8 Bus,\r |
| 1139 | UINT8 DevFunc,\r |
| 1140 | UINT8 Register\r |
| 1141 | )\r |
| 1142 | /*++\r |
| 1143 | \r |
| 1144 | Routine Description:\r |
| 1145 | Perform an four byte PCI config cycle read\r |
| 1146 | \r |
| 1147 | Arguments:\r |
| 1148 | Segment - PCI Segment ACPI _SEG\r |
| 1149 | Bus - PCI Bus\r |
| 1150 | DevFunc - PCI Device(7:3) and Func(2:0)\r |
| 1151 | Register - PCI config space register\r |
| 1152 | \r |
| 1153 | Returns:\r |
| 1154 | Data read from PCI config space\r |
| 1155 | \r |
| 1156 | --*/\r |
| 1157 | {\r |
| 1158 | EFI_GUID Guid = EFI_EXTENDED_SAL_PCI_SERVICES_PROTOCOL_GUID;\r |
| 1159 | UINT64 Address;\r |
| 1160 | SAL_RETURN_REGS Return;\r |
| 1161 | \r |
| 1162 | Address = EFI_PCI_ADDRESS_IPF (Segment, Bus, DevFunc, Register);\r |
| 1163 | Return = EfiCallEsalService (&Guid, SalPciConfigRead, Address, 4, 0, 0, 0, 0, 0);\r |
| 1164 | \r |
| 1165 | return (UINT32) Return.r9;\r |
| 1166 | }\r |
| 1167 | \r |
| 1168 | VOID\r |
| 1169 | PciWrite8 (\r |
| 1170 | UINT8 Segment,\r |
| 1171 | UINT8 Bus,\r |
| 1172 | UINT8 DevFunc,\r |
| 1173 | UINT8 Register,\r |
| 1174 | UINT8 Data\r |
| 1175 | )\r |
| 1176 | /*++\r |
| 1177 | \r |
| 1178 | Routine Description:\r |
| 1179 | Perform an one byte PCI config cycle write\r |
| 1180 | \r |
| 1181 | Arguments:\r |
| 1182 | Segment - PCI Segment ACPI _SEG\r |
| 1183 | Bus - PCI Bus\r |
| 1184 | DevFunc - PCI Device(7:3) and Func(2:0)\r |
| 1185 | Register - PCI config space register\r |
| 1186 | Data - Data to write\r |
| 1187 | \r |
| 1188 | Returns:\r |
| 1189 | NONE\r |
| 1190 | \r |
| 1191 | --*/\r |
| 1192 | {\r |
| 1193 | EFI_GUID Guid = EFI_EXTENDED_SAL_PCI_SERVICES_PROTOCOL_GUID;\r |
| 1194 | UINT64 Address;\r |
| 1195 | \r |
| 1196 | Address = EFI_PCI_ADDRESS_IPF (Segment, Bus, DevFunc, Register);\r |
| 1197 | EfiCallEsalService (&Guid, SalPciConfigWrite, Address, 1, Data, 0, 0, 0, 0);\r |
| 1198 | }\r |
| 1199 | \r |
| 1200 | VOID\r |
| 1201 | PciWrite16 (\r |
| 1202 | UINT8 Segment,\r |
| 1203 | UINT8 Bus,\r |
| 1204 | UINT8 DevFunc,\r |
| 1205 | UINT8 Register,\r |
| 1206 | UINT16 Data\r |
| 1207 | )\r |
| 1208 | /*++\r |
| 1209 | \r |
| 1210 | Routine Description:\r |
| 1211 | Perform an two byte PCI config cycle write\r |
| 1212 | \r |
| 1213 | Arguments:\r |
| 1214 | Segment - PCI Segment ACPI _SEG\r |
| 1215 | Bus - PCI Bus\r |
| 1216 | DevFunc - PCI Device(7:3) and Func(2:0)\r |
| 1217 | Register - PCI config space register\r |
| 1218 | Data - Data to write\r |
| 1219 | \r |
| 1220 | Returns:\r |
| 1221 | None.\r |
| 1222 | \r |
| 1223 | --*/\r |
| 1224 | {\r |
| 1225 | EFI_GUID Guid = EFI_EXTENDED_SAL_PCI_SERVICES_PROTOCOL_GUID;\r |
| 1226 | UINT64 Address;\r |
| 1227 | \r |
| 1228 | Address = EFI_PCI_ADDRESS_IPF (Segment, Bus, DevFunc, Register);\r |
| 1229 | EfiCallEsalService (&Guid, SalPciConfigWrite, Address, 2, Data, 0, 0, 0, 0);\r |
| 1230 | }\r |
| 1231 | \r |
| 1232 | VOID\r |
| 1233 | PciWrite32 (\r |
| 1234 | UINT8 Segment,\r |
| 1235 | UINT8 Bus,\r |
| 1236 | UINT8 DevFunc,\r |
| 1237 | UINT8 Register,\r |
| 1238 | UINT32 Data\r |
| 1239 | )\r |
| 1240 | /*++\r |
| 1241 | \r |
| 1242 | Routine Description:\r |
| 1243 | Perform an four byte PCI config cycle write\r |
| 1244 | \r |
| 1245 | Arguments:\r |
| 1246 | Segment - PCI Segment ACPI _SEG\r |
| 1247 | Bus - PCI Bus\r |
| 1248 | DevFunc - PCI Device(7:3) and Func(2:0)\r |
| 1249 | Register - PCI config space register\r |
| 1250 | Data - Data to write\r |
| 1251 | \r |
| 1252 | Returns:\r |
| 1253 | NONE\r |
| 1254 | \r |
| 1255 | --*/\r |
| 1256 | {\r |
| 1257 | EFI_GUID Guid = EFI_EXTENDED_SAL_PCI_SERVICES_PROTOCOL_GUID;\r |
| 1258 | UINT64 Address;\r |
| 1259 | \r |
| 1260 | Address = EFI_PCI_ADDRESS_IPF (Segment, Bus, DevFunc, Register);\r |
| 1261 | EfiCallEsalService (&Guid, SalPciConfigWrite, Address, 4, Data, 0, 0, 0, 0);\r |
| 1262 | }\r |
| 1263 | \r |
| 1264 | //\r |
| 1265 | // Stall class functions\r |
| 1266 | //\r |
| 1267 | VOID\r |
| 1268 | EfiStall (\r |
| 1269 | IN UINTN Microseconds\r |
| 1270 | )\r |
| 1271 | /*++\r |
| 1272 | \r |
| 1273 | Routine Description:\r |
| 1274 | Delay for at least the request number of microseconds\r |
| 1275 | \r |
| 1276 | Arguments:\r |
| 1277 | Microseconds - Number of microseconds to delay.\r |
| 1278 | \r |
| 1279 | Returns:\r |
| 1280 | NONE\r |
| 1281 | \r |
| 1282 | --*/\r |
| 1283 | {\r |
| 1284 | EFI_GUID Guid = EFI_EXTENDED_SAL_STALL_SERVICES_PROTOCOL_GUID;\r |
| 1285 | \r |
| 1286 | if (EfiAtRuntime ()) {\r |
| 1287 | EfiCallEsalService (&Guid, Stall, Microseconds, 4, 0, 0, 0, 0, 0);\r |
| 1288 | } else {\r |
| 1289 | gBS->Stall (Microseconds);\r |
| 1290 | }\r |
| 1291 | }\r |
| 1292 | //\r |
| 1293 | // Cache Flush Routine.\r |
| 1294 | //\r |
| 1295 | EFI_STATUS\r |
| 1296 | EfiCpuFlushCache (\r |
| 1297 | IN EFI_PHYSICAL_ADDRESS Start,\r |
| 1298 | IN UINT64 Length\r |
| 1299 | )\r |
| 1300 | /*++\r |
| 1301 | \r |
| 1302 | Routine Description:\r |
| 1303 | \r |
| 1304 | Flush cache with specified range.\r |
| 1305 | \r |
| 1306 | Arguments:\r |
| 1307 | \r |
| 1308 | Start - Start address\r |
| 1309 | Length - Length in bytes\r |
| 1310 | \r |
| 1311 | Returns:\r |
| 1312 | \r |
| 1313 | Status code\r |
| 1314 | \r |
| 1315 | EFI_SUCCESS - success\r |
| 1316 | \r |
| 1317 | --*/\r |
| 1318 | {\r |
| 1319 | SalFlushCache (Start, Length);\r |
| 1320 | return EFI_SUCCESS;\r |
| 1321 | }\r |
projects / mirror_edk2.git / blame