projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 3eb9473e | 1 | /*++\r |
| 2 | \r | |
| 4ea9375a HT |
3 | Copyright (c) 2004 - 2005, Intel Corporation. All rights reserved.<BR>\r |
| 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 | |
| 314 | if (EFI_ERROR (Status)) {\r | |
| 315 | return Status;\r | |
| 316 | }\r | |
| 317 | \r | |
| 318 | NewHandle = NULL;\r | |
| 319 | return gBS->InstallProtocolInterface (\r | |
| 320 | &NewHandle,\r | |
| 321 | ClassGuid,\r | |
| 322 | EFI_NATIVE_INTERFACE,\r | |
| 323 | NULL\r | |
| 324 | );\r | |
| 325 | }\r | |
| 326 | \r | |
| 327 | SAL_RETURN_REGS\r | |
| 328 | EfiCallEsalService (\r | |
| 329 | IN EFI_GUID *ClassGuid,\r | |
| 330 | IN UINT64 FunctionId,\r | |
| 331 | IN UINT64 Arg2,\r | |
| 332 | IN UINT64 Arg3,\r | |
| 333 | IN UINT64 Arg4,\r | |
| 334 | IN UINT64 Arg5,\r | |
| 335 | IN UINT64 Arg6,\r | |
| 336 | IN UINT64 Arg7,\r | |
| 337 | IN UINT64 Arg8\r | |
| 338 | )\r | |
| 339 | /*++\r | |
| 340 | \r | |
| 341 | Routine Description:\r | |
| 342 | \r | |
| 343 | Call module that is not linked direclty to this module. This code is IP \r | |
| 344 | relative and hides the binding issues of virtual or physical calling. The\r | |
| 345 | function that gets dispatched has extra arguments that include the registered\r | |
| 346 | module global and a boolean flag to indicate if the system is in virutal mode.\r | |
| 347 | \r | |
| 348 | Arguments:\r | |
| 349 | ClassGuid - GUID of function\r | |
| 350 | FunctionId - Function in ClassGuid to call\r | |
| 351 | Arg2 - Argument 2 ClassGuid/FunctionId defined\r | |
| 352 | Arg3 - Argument 3 ClassGuid/FunctionId defined\r | |
| 353 | Arg4 - Argument 4 ClassGuid/FunctionId defined\r | |
| 354 | Arg5 - Argument 5 ClassGuid/FunctionId defined\r | |
| 355 | Arg6 - Argument 6 ClassGuid/FunctionId defined\r | |
| 356 | Arg7 - Argument 7 ClassGuid/FunctionId defined\r | |
| 357 | Arg8 - Argument 8 ClassGuid/FunctionId defined\r | |
| 358 | \r | |
| 359 | Returns: \r | |
| 360 | Status of ClassGuid/FuncitonId\r | |
| 361 | \r | |
| 362 | --*/\r | |
| 363 | {\r | |
| 364 | SAL_RETURN_REGS ReturnReg;\r | |
| 365 | SAL_EXTENDED_SAL_PROC EsalProc;\r | |
| 366 | \r | |
| 367 | ReturnReg = GetEsalEntryPoint ();\r | |
| 368 | if (ReturnReg.Status != EFI_SAL_SUCCESS) {\r | |
| 369 | return ReturnReg;\r | |
| 370 | }\r | |
| 371 | \r | |
| 372 | if (ReturnReg.r11 & PSR_IT_MASK) {\r | |
| 373 | //\r | |
| 374 | // Virtual mode plabel to entry point\r | |
| 375 | //\r | |
| 376 | EsalProc = (SAL_EXTENDED_SAL_PROC) ReturnReg.r10;\r | |
| 377 | } else {\r | |
| 378 | //\r | |
| 379 | // Physical mode plabel to entry point\r | |
| 380 | //\r | |
| 381 | EsalProc = (SAL_EXTENDED_SAL_PROC) ReturnReg.r9;\r | |
| 382 | }\r | |
| 383 | \r | |
| 384 | return EsalProc (\r | |
| 385 | ClassGuid,\r | |
| 386 | FunctionId,\r | |
| 387 | Arg2,\r | |
| 388 | Arg3,\r | |
| 389 | Arg4,\r | |
| 390 | Arg5,\r | |
| 391 | Arg6,\r | |
| 392 | Arg7,\r | |
| 393 | Arg8\r | |
| 394 | );\r | |
| 395 | }\r | |
| 396 | \r | |
| 397 | EFI_STATUS\r | |
| 398 | EfiConvertPointer (\r | |
| 399 | IN UINTN DebugDisposition,\r | |
| 400 | IN OUT VOID *Address\r | |
| 401 | )\r | |
| 402 | /*++\r | |
| 403 | \r | |
| 404 | Routine Description:\r | |
| 405 | \r | |
| 406 | Determines the new virtual address that is to be used on subsequent memory accesses.\r | |
| 407 | \r | |
| 408 | Arguments:\r | |
| 409 | \r | |
| 410 | DebugDisposition - Supplies type information for the pointer being converted.\r | |
| 411 | Address - A pointer to a pointer that is to be fixed to be the value needed\r | |
| 412 | for the new virtual address mappings being applied.\r | |
| 413 | \r | |
| 414 | Returns:\r | |
| 415 | \r | |
| 416 | Status code\r | |
| 417 | \r | |
| 418 | --*/\r | |
| 419 | {\r | |
| 420 | return mRT->ConvertPointer (DebugDisposition, Address);\r | |
| 421 | }\r | |
| 422 | \r | |
| 423 | BOOLEAN\r | |
| 424 | EfiGoneVirtual (\r | |
| 425 | VOID\r | |
| 426 | )\r | |
| 427 | /*++\r | |
| 428 | \r | |
| 429 | Routine Description:\r | |
| 430 | Return TRUE if SetVirtualAddressMap () has been called\r | |
| 431 | \r | |
| 432 | Arguments:\r | |
| 433 | NONE\r | |
| 434 | \r | |
| 435 | Returns: \r | |
| 436 | TRUE - If SetVirtualAddressMap () has been called\r | |
| 437 | \r | |
| 438 | --*/\r | |
| 439 | {\r | |
| 440 | EFI_GUID Guid = EFI_EXTENDED_SAL_VIRTUAL_SERVICES_PROTOCOL_GUID;\r | |
| 441 | SAL_RETURN_REGS ReturnReg;\r | |
| 442 | \r | |
| 443 | ReturnReg = EfiCallEsalService (&Guid, IsVirtual, 0, 0, 0, 0, 0, 0, 0);\r | |
| 444 | \r | |
| 445 | return (BOOLEAN) (ReturnReg.r9 == 1);\r | |
| 446 | }\r | |
| 447 | \r | |
| 448 | BOOLEAN\r | |
| 449 | EfiAtRuntime (\r | |
| 450 | VOID\r | |
| 451 | )\r | |
| 452 | /*++\r | |
| 453 | \r | |
| 454 | Routine Description:\r | |
| 455 | Return TRUE if ExitBootService () has been called\r | |
| 456 | \r | |
| 457 | Arguments:\r | |
| 458 | NONE\r | |
| 459 | \r | |
| 460 | Returns: \r | |
| 461 | TRUE - If ExitBootService () has been called\r | |
| 462 | \r | |
| 463 | --*/\r | |
| 464 | {\r | |
| 465 | EFI_GUID Guid = EFI_EXTENDED_SAL_VIRTUAL_SERVICES_PROTOCOL_GUID;\r | |
| 466 | SAL_RETURN_REGS ReturnReg;\r | |
| 467 | \r | |
| 468 | ReturnReg = EfiCallEsalService (&Guid, IsEfiRuntime, 0, 0, 0, 0, 0, 0, 0);\r | |
| 469 | \r | |
| 470 | return (BOOLEAN) (ReturnReg.r9 == 1);\r | |
| 471 | }\r | |
| 472 | \r | |
| 473 | EFI_STATUS\r | |
| 474 | EfiReportStatusCode (\r | |
| 475 | IN EFI_STATUS_CODE_TYPE CodeType,\r | |
| 476 | IN EFI_STATUS_CODE_VALUE Value,\r | |
| 477 | IN UINT32 Instance,\r | |
| 478 | IN EFI_GUID * CallerId,\r | |
| 479 | IN EFI_STATUS_CODE_DATA * Data OPTIONAL\r | |
| 480 | )\r | |
| 481 | /*++\r | |
| 482 | \r | |
| 483 | Routine Description:\r | |
| 484 | \r | |
| 485 | Status Code reporter\r | |
| 486 | \r | |
| 487 | Arguments:\r | |
| 488 | \r | |
| 489 | CodeType - Type of Status Code.\r | |
| 490 | \r | |
| 491 | Value - Value to output for Status Code.\r | |
| 492 | \r | |
| 493 | Instance - Instance Number of this status code.\r | |
| 494 | \r | |
| 495 | CallerId - ID of the caller of this status code.\r | |
| 496 | \r | |
| 497 | Data - Optional data associated with this status code.\r | |
| 498 | \r | |
| 499 | Returns:\r | |
| 500 | \r | |
| 501 | Status code\r | |
| 502 | \r | |
| 503 | --*/\r | |
| 504 | {\r | |
| 505 | EFI_GUID Guid = EFI_EXTENDED_SAL_STATUS_CODE_SERVICES_PROTOCOL_GUID;\r | |
| 506 | SAL_RETURN_REGS ReturnReg;\r | |
| 507 | \r | |
| 508 | \r | |
| 509 | ReturnReg = EfiCallEsalService (\r | |
| 510 | &Guid,\r | |
| 511 | StatusCode,\r | |
| 512 | (UINT64) CodeType,\r | |
| 513 | (UINT64) Value,\r | |
| 514 | (UINT64) Instance,\r | |
| 515 | (UINT64) CallerId,\r | |
| 516 | (UINT64) Data,\r | |
| 517 | 0,\r | |
| 518 | 0\r | |
| 519 | );\r | |
| 520 | \r | |
| 521 | return (EFI_STATUS) ReturnReg.Status;\r | |
| 522 | }\r | |
| 523 | //\r | |
| 524 | // Sal Reset Driver Class\r | |
| 525 | //\r | |
| 526 | VOID\r | |
| 527 | EfiResetSystem (\r | |
| 528 | IN EFI_RESET_TYPE ResetType,\r | |
| 529 | IN EFI_STATUS ResetStatus,\r | |
| 530 | IN UINTN DataSize,\r | |
| 531 | IN CHAR16 *ResetData\r | |
| 532 | )\r | |
| 533 | /*++\r | |
| 534 | \r | |
| 535 | Routine Description:\r | |
| 536 | \r | |
| 537 | Resets the entire platform.\r | |
| 538 | \r | |
| 539 | Arguments:\r | |
| 540 | \r | |
| 541 | ResetType - The type of reset to perform.\r | |
| 542 | ResetStatus - The status code for the reset.\r | |
| 543 | DataSize - The size, in bytes, of ResetData.\r | |
| 544 | ResetData - A data buffer that includes a Null-terminated Unicode string, optionally\r | |
| 545 | followed by additional binary data.\r | |
| 546 | \r | |
| 547 | Returns:\r | |
| 548 | \r | |
| 549 | None\r | |
| 550 | \r | |
| 551 | --*/\r | |
| 552 | {\r | |
| 553 | EFI_GUID Guid = EFI_EXTENDED_SAL_RESET_SERVICES_PROTOCOL_GUID;\r | |
| 554 | \r | |
| 555 | EfiCallEsalService (\r | |
| 556 | &Guid,\r | |
| 557 | ResetSystem,\r | |
| 558 | (UINT64) ResetType,\r | |
| 559 | (UINT64) ResetStatus,\r | |
| 560 | (UINT64) DataSize,\r | |
| 561 | (UINT64) ResetData,\r | |
| 562 | 0,\r | |
| 563 | 0,\r | |
| 564 | 0\r | |
| 565 | );\r | |
| 566 | }\r | |
| 567 | //\r | |
| 568 | // Sal MTC Driver Class\r | |
| 569 | //\r | |
| 570 | EFI_STATUS\r | |
| 571 | EfiGetNextHighMonotonicCount (\r | |
| 572 | OUT UINT32 *HighCount\r | |
| 573 | )\r | |
| 574 | /*++\r | |
| 575 | \r | |
| 576 | Routine Description:\r | |
| 577 | \r | |
| fd0d281b | 578 | Returns the next high 32 bits of the platform's monotonic counter.\r |
| 3eb9473e | 579 | \r |
| 580 | Arguments:\r | |
| 581 | \r | |
| 582 | HighCount - Pointer to returned value.\r | |
| 583 | \r | |
| 584 | Returns:\r | |
| 585 | \r | |
| 586 | Status code\r | |
| 587 | \r | |
| 588 | --*/\r | |
| 589 | {\r | |
| 590 | SAL_RETURN_REGS ReturnReg;\r | |
| 591 | \r | |
| 592 | EFI_GUID Guid = EFI_EXTENDED_SAL_MTC_SERVICES_PROTOCOL_GUID;\r | |
| 593 | \r | |
| 594 | ReturnReg = EfiCallEsalService (&Guid, GetNextHighMonotonicCount, (UINT64) HighCount, 0, 0, 0, 0, 0, 0);\r | |
| 595 | return (EFI_STATUS) ReturnReg.Status;\r | |
| 596 | }\r | |
| 597 | //\r | |
| 598 | // Sal Variable Driver Class\r | |
| 599 | //\r | |
| 600 | EFI_STATUS\r | |
| 601 | EfiGetVariable (\r | |
| 602 | IN CHAR16 *VariableName,\r | |
| 603 | IN EFI_GUID * VendorGuid,\r | |
| 604 | OUT UINT32 *Attributes OPTIONAL,\r | |
| 605 | IN OUT UINTN *DataSize,\r | |
| 606 | OUT VOID *Data\r | |
| 607 | )\r | |
| 608 | /*++\r | |
| 609 | \r | |
| 610 | Routine Description:\r | |
| 611 | \r | |
| 612 | Returns the value of a variable.\r | |
| 613 | \r | |
| 614 | Arguments:\r | |
| 615 | \r | |
| 616 | VariableName - A Null-terminated Unicode string that is the name of the\r | |
| fd0d281b | 617 | vendor's variable.\r |
| 3eb9473e | 618 | VendorGuid - A unique identifier for the vendor.\r |
| 619 | Attributes - If not NULL, a pointer to the memory location to return the\r | |
| 620 | attributes bitmask for the variable.\r | |
| 621 | DataSize - On input, the size in bytes of the return Data buffer.\r | |
| 622 | On output the size of data returned in Data.\r | |
| 623 | Data - The buffer to return the contents of the variable.\r | |
| 624 | \r | |
| 625 | Returns:\r | |
| 626 | \r | |
| 627 | Status code\r | |
| 628 | \r | |
| 629 | --*/\r | |
| 630 | {\r | |
| 631 | SAL_RETURN_REGS ReturnReg;\r | |
| 632 | EFI_GUID Guid = EFI_EXTENDED_SAL_VARIABLE_SERVICES_PROTOCOL_GUID;\r | |
| 633 | \r | |
| 634 | ReturnReg = EfiCallEsalService (\r | |
| 635 | &Guid,\r | |
| 636 | EsalGetVariable,\r | |
| 637 | (UINT64) VariableName,\r | |
| 638 | (UINT64) VendorGuid,\r | |
| 639 | (UINT64) Attributes,\r | |
| 640 | (UINT64) DataSize,\r | |
| 641 | (UINT64) Data,\r | |
| 642 | 0,\r | |
| 643 | 0\r | |
| 644 | );\r | |
| 645 | return (EFI_STATUS) ReturnReg.Status;\r | |
| 646 | }\r | |
| 647 | \r | |
| 648 | EFI_STATUS\r | |
| 649 | EfiGetNextVariableName (\r | |
| 650 | IN OUT UINTN *VariableNameSize,\r | |
| 651 | IN OUT CHAR16 *VariableName,\r | |
| 652 | IN OUT EFI_GUID *VendorGuid\r | |
| 653 | )\r | |
| 654 | /*++\r | |
| 655 | \r | |
| 656 | Routine Description:\r | |
| 657 | \r | |
| 658 | Enumerates the current variable names.\r | |
| 659 | \r | |
| 660 | Arguments:\r | |
| 661 | \r | |
| 662 | VariableNameSize - The size of the VariableName buffer.\r | |
| 663 | VariableName - On input, supplies the last VariableName that was returned\r | |
| 664 | by GetNextVariableName(). \r | |
| 665 | On output, returns the Nullterminated Unicode string of the\r | |
| 666 | current variable.\r | |
| 667 | VendorGuid - On input, supplies the last VendorGuid that was returned by\r | |
| 668 | GetNextVariableName(). \r | |
| 669 | On output, returns the VendorGuid of the current variable.\r | |
| 670 | \r | |
| 671 | Returns:\r | |
| 672 | \r | |
| 673 | Status code\r | |
| 674 | \r | |
| 675 | --*/\r | |
| 676 | {\r | |
| 677 | SAL_RETURN_REGS ReturnReg;\r | |
| 678 | EFI_GUID Guid = EFI_EXTENDED_SAL_VARIABLE_SERVICES_PROTOCOL_GUID;\r | |
| 679 | \r | |
| 680 | ReturnReg = EfiCallEsalService (\r | |
| 681 | &Guid,\r | |
| 682 | EsalGetNextVariableName,\r | |
| 683 | (UINT64) VariableNameSize,\r | |
| 684 | (UINT64) VariableName,\r | |
| 685 | (UINT64) VendorGuid,\r | |
| 686 | 0,\r | |
| 687 | 0,\r | |
| 688 | 0,\r | |
| 689 | 0\r | |
| 690 | );\r | |
| 691 | return (EFI_STATUS) ReturnReg.Status;\r | |
| 692 | }\r | |
| 693 | \r | |
| 694 | EFI_STATUS\r | |
| 695 | EfiSetVariable (\r | |
| 696 | IN CHAR16 *VariableName,\r | |
| 697 | IN EFI_GUID *VendorGuid,\r | |
| 698 | IN UINT32 Attributes,\r | |
| 699 | IN UINTN DataSize,\r | |
| 700 | IN VOID *Data\r | |
| 701 | )\r | |
| 702 | /*++\r | |
| 703 | \r | |
| 704 | Routine Description:\r | |
| 705 | \r | |
| 706 | Sets the value of a variable.\r | |
| 707 | \r | |
| 708 | Arguments:\r | |
| 709 | \r | |
| 710 | VariableName - A Null-terminated Unicode string that is the name of the\r | |
| fd0d281b | 711 | vendor's variable.\r |
| 3eb9473e | 712 | VendorGuid - A unique identifier for the vendor.\r |
| 713 | Attributes - Attributes bitmask to set for the variable.\r | |
| 714 | DataSize - The size in bytes of the Data buffer.\r | |
| 715 | Data - The contents for the variable.\r | |
| 716 | \r | |
| 717 | Returns:\r | |
| 718 | \r | |
| 719 | Status code\r | |
| 720 | \r | |
| 721 | --*/\r | |
| 722 | {\r | |
| 723 | SAL_RETURN_REGS ReturnReg;\r | |
| 724 | EFI_GUID Guid = EFI_EXTENDED_SAL_VARIABLE_SERVICES_PROTOCOL_GUID;\r | |
| 725 | \r | |
| 726 | ReturnReg = EfiCallEsalService (\r | |
| 727 | &Guid,\r | |
| 728 | EsalSetVariable,\r | |
| 729 | (UINT64) VariableName,\r | |
| 730 | (UINT64) VendorGuid,\r | |
| 731 | (UINT64) Attributes,\r | |
| 732 | (UINT64) DataSize,\r | |
| 733 | (UINT64) Data,\r | |
| 734 | 0,\r | |
| 735 | 0\r | |
| 736 | );\r | |
| 737 | return (EFI_STATUS) ReturnReg.Status;\r | |
| 738 | }\r | |
| 739 | \r | |
| 740 | #if (EFI_SPECIFICATION_VERSION >= 0x00020000)\r | |
| 741 | \r | |
| 742 | EFI_STATUS\r | |
| 743 | EfiQueryVariableInfo (\r | |
| 744 | IN UINT32 Attributes,\r | |
| 745 | OUT UINT64 *MaximumVariableStorageSize,\r | |
| 746 | OUT UINT64 *RemainingVariableStorageSize,\r | |
| 747 | OUT UINT64 *MaximumVariableSize\r | |
| 748 | )\r | |
| 749 | /*++\r | |
| 750 | \r | |
| 751 | Routine Description:\r | |
| 752 | \r | |
| 753 | This code returns information about the EFI variables.\r | |
| 754 | \r | |
| 755 | Arguments:\r | |
| 756 | \r | |
| 757 | Attributes Attributes bitmask to specify the type of variables \r | |
| 758 | on which to return information.\r | |
| 759 | MaximumVariableStorageSize Pointer to the maximum size of the storage space available\r | |
| 760 | for the EFI variables associated with the attributes specified.\r | |
| 761 | RemainingVariableStorageSize Pointer to the remaining size of the storage space available \r | |
| 762 | for the EFI variables associated with the attributes specified.\r | |
| 763 | MaximumVariableSize Pointer to the maximum size of the individual EFI variables\r | |
| 764 | associated with the attributes specified.\r | |
| 765 | \r | |
| 766 | Returns:\r | |
| 767 | \r | |
| 768 | Status code\r | |
| 769 | \r | |
| 770 | --*/\r | |
| 771 | {\r | |
| 772 | SAL_RETURN_REGS ReturnReg;\r | |
| 773 | EFI_GUID Guid = EFI_EXTENDED_SAL_VARIABLE_SERVICES_PROTOCOL_GUID;\r | |
| 774 | \r | |
| 775 | ReturnReg = EfiCallEsalService (\r | |
| 776 | &Guid,\r | |
| 777 | EsalQueryVariableInfo,\r | |
| 778 | (UINT64) Attributes,\r | |
| 779 | (UINT64) MaximumVariableStorageSize,\r | |
| 780 | (UINT64) RemainingVariableStorageSize,\r | |
| 781 | (UINT64) MaximumVariableSize,\r | |
| 782 | 0, \r | |
| 783 | 0,\r | |
| 784 | 0\r | |
| 785 | );\r | |
| 786 | return (EFI_STATUS) ReturnReg.Status;\r | |
| 787 | }\r | |
| 788 | \r | |
| 789 | #endif\r | |
| 790 | \r | |
| 791 | //\r | |
| 792 | // Sal RTC Driver Class.\r | |
| 793 | //\r | |
| 794 | EFI_STATUS\r | |
| 795 | EfiGetTime (\r | |
| 796 | OUT EFI_TIME *Time,\r | |
| 797 | OUT EFI_TIME_CAPABILITIES *Capabilities\r | |
| 798 | )\r | |
| 799 | /*++\r | |
| 800 | \r | |
| 801 | Routine Description:\r | |
| 802 | \r | |
| 803 | Returns the current time and date information, and the time-keeping \r | |
| 804 | capabilities of the hardware platform.\r | |
| 805 | \r | |
| 806 | Arguments:\r | |
| 807 | \r | |
| 808 | Time - A pointer to storage to receive a snapshot of the current time.\r | |
| fd0d281b | 809 | Capabilities - An optional pointer to a buffer to receive the real time clock device's\r |
| 3eb9473e | 810 | capabilities.\r |
| 811 | \r | |
| 812 | Returns:\r | |
| 813 | \r | |
| 814 | Status code\r | |
| 815 | \r | |
| 816 | --*/\r | |
| 817 | {\r | |
| 818 | SAL_RETURN_REGS ReturnReg;\r | |
| 819 | EFI_GUID Guid = EFI_EXTENDED_SAL_RTC_SERVICES_PROTOCOL_GUID;\r | |
| 820 | \r | |
| 821 | ReturnReg = EfiCallEsalService (&Guid, GetTime, (UINT64) Time, (UINT64) Capabilities, 0, 0, 0, 0, 0);\r | |
| 822 | return ReturnReg.Status;\r | |
| 823 | }\r | |
| 824 | \r | |
| 825 | EFI_STATUS\r | |
| 826 | EfiSetTime (\r | |
| 827 | OUT EFI_TIME *Time\r | |
| 828 | )\r | |
| 829 | /*++\r | |
| 830 | \r | |
| 831 | Routine Description:\r | |
| 832 | \r | |
| 833 | Sets the current local time and date information.\r | |
| 834 | \r | |
| 835 | Arguments:\r | |
| 836 | \r | |
| 837 | Time - A pointer to the current time.\r | |
| 838 | \r | |
| 839 | Returns:\r | |
| 840 | \r | |
| 841 | Status code\r | |
| 842 | \r | |
| 843 | --*/\r | |
| 844 | {\r | |
| 845 | SAL_RETURN_REGS ReturnReg;\r | |
| 846 | \r | |
| 847 | EFI_GUID Guid = EFI_EXTENDED_SAL_RTC_SERVICES_PROTOCOL_GUID;\r | |
| 848 | \r | |
| 849 | ReturnReg = EfiCallEsalService (&Guid, SetTime, (UINT64) Time, 0, 0, 0, 0, 0, 0);\r | |
| 850 | return ReturnReg.Status;\r | |
| 851 | }\r | |
| 852 | \r | |
| 853 | EFI_STATUS\r | |
| 854 | EfiGetWakeupTime (\r | |
| 855 | OUT BOOLEAN *Enabled,\r | |
| 856 | OUT BOOLEAN *Pending,\r | |
| 857 | OUT EFI_TIME *Time\r | |
| 858 | )\r | |
| 859 | /*++\r | |
| 860 | \r | |
| 861 | Routine Description:\r | |
| 862 | \r | |
| 863 | Returns the current wakeup alarm clock setting.\r | |
| 864 | \r | |
| 865 | Arguments:\r | |
| 866 | \r | |
| 867 | Enabled - Indicates if the alarm is currently enabled or disabled.\r | |
| 868 | Pending - Indicates if the alarm signal is pending and requires acknowledgement.\r | |
| 869 | Time - The current alarm setting.\r | |
| 870 | \r | |
| 871 | Returns:\r | |
| 872 | \r | |
| 873 | Status code\r | |
| 874 | \r | |
| 875 | --*/\r | |
| 876 | {\r | |
| 877 | SAL_RETURN_REGS ReturnReg;\r | |
| 878 | \r | |
| 879 | EFI_GUID Guid = EFI_EXTENDED_SAL_RTC_SERVICES_PROTOCOL_GUID;\r | |
| 880 | \r | |
| 881 | ReturnReg = EfiCallEsalService (&Guid, GetWakeupTime, (UINT64) Enabled, (UINT64) Pending, (UINT64) Time, 0, 0, 0, 0);\r | |
| 882 | return ReturnReg.Status;\r | |
| 883 | }\r | |
| 884 | \r | |
| 885 | EFI_STATUS\r | |
| 886 | EfiSetWakeupTime (\r | |
| 887 | IN BOOLEAN Enable,\r | |
| 888 | IN EFI_TIME *Time\r | |
| 889 | )\r | |
| 890 | /*++\r | |
| 891 | \r | |
| 892 | Routine Description:\r | |
| 893 | \r | |
| 894 | Sets the system wakeup alarm clock time.\r | |
| 895 | \r | |
| 896 | Arguments:\r | |
| 897 | \r | |
| 898 | Enable - Enable or disable the wakeup alarm.\r | |
| 899 | Time - If Enable is TRUE, the time to set the wakeup alarm for.\r | |
| 900 | If Enable is FALSE, then this parameter is optional, and may be NULL.\r | |
| 901 | \r | |
| 902 | Returns:\r | |
| 903 | \r | |
| 904 | Status code\r | |
| 905 | \r | |
| 906 | --*/\r | |
| 907 | {\r | |
| 908 | SAL_RETURN_REGS ReturnReg;\r | |
| 909 | \r | |
| 910 | EFI_GUID Guid = EFI_EXTENDED_SAL_RTC_SERVICES_PROTOCOL_GUID;\r | |
| 911 | \r | |
| 912 | ReturnReg = EfiCallEsalService (&Guid, SetWakeupTime, (UINT64) Enable, (UINT64) Time, 0, 0, 0, 0, 0);\r | |
| 913 | return ReturnReg.Status;\r | |
| 914 | }\r | |
| 915 | \r | |
| 916 | \r | |
| 917 | \r | |
| 918 | //\r | |
| 919 | // Base IO Services\r | |
| 920 | //\r | |
| 921 | EFI_STATUS\r | |
| 922 | EfiIoRead (\r | |
| 923 | IN EFI_CPU_IO_PROTOCOL_WIDTH Width,\r | |
| 924 | IN UINT64 Address,\r | |
| 925 | IN UINTN Count,\r | |
| 926 | IN OUT VOID *Buffer\r | |
| 927 | )\r | |
| 928 | /*++\r | |
| 929 | \r | |
| 930 | Routine Description:\r | |
| 931 | Perform an IO read into Buffer.\r | |
| 932 | \r | |
| 933 | Arguments:\r | |
| 934 | Width - Width of read transaction, and repeat operation to use\r | |
| 935 | Address - IO address to read\r | |
| 936 | Count - Number of times to read the IO address.\r | |
| 937 | Buffer - Buffer to read data into. size is Width * Count\r | |
| 938 | \r | |
| 939 | Returns:\r | |
| 940 | Status code\r | |
| 941 | \r | |
| 942 | --*/\r | |
| 943 | {\r | |
| 944 | \r | |
| 945 | SAL_RETURN_REGS ReturnReg;\r | |
| 946 | \r | |
| 947 | EFI_GUID Guid = EFI_EXTENDED_SAL_BASE_IO_SERVICES_PROTOCOL_GUID;\r | |
| 948 | \r | |
| 949 | ReturnReg = EfiCallEsalService (&Guid, IoRead, (UINT64) Width, Address, Count, (UINT64) Buffer, 0, 0, 0);\r | |
| 950 | \r | |
| 951 | return ReturnReg.Status;\r | |
| 952 | \r | |
| 953 | }\r | |
| 954 | \r | |
| 955 | EFI_STATUS\r | |
| 956 | EfiIoWrite (\r | |
| 957 | IN EFI_CPU_IO_PROTOCOL_WIDTH Width,\r | |
| 958 | IN UINT64 Address,\r | |
| 959 | IN UINTN Count,\r | |
| 960 | IN OUT VOID *Buffer\r | |
| 961 | )\r | |
| 962 | /*++\r | |
| 963 | \r | |
| 964 | Routine Description:\r | |
| 965 | Perform an IO write into Buffer.\r | |
| 966 | \r | |
| 967 | Arguments:\r | |
| 968 | Width - Width of write transaction, and repeat operation to use\r | |
| 969 | Address - IO address to write\r | |
| 970 | Count - Number of times to write the IO address.\r | |
| 971 | Buffer - Buffer to write data from. size is Width * Count\r | |
| 972 | \r | |
| 973 | Returns:\r | |
| 974 | Status code\r | |
| 975 | \r | |
| 976 | --*/\r | |
| 977 | {\r | |
| 978 | \r | |
| 979 | SAL_RETURN_REGS ReturnReg;\r | |
| 980 | \r | |
| 981 | EFI_GUID Guid = EFI_EXTENDED_SAL_BASE_IO_SERVICES_PROTOCOL_GUID;\r | |
| 982 | \r | |
| 983 | ReturnReg = EfiCallEsalService (&Guid, IoWrite, (UINT64) Width, Address, Count, (UINT64) Buffer, 0, 0, 0);\r | |
| 984 | \r | |
| 985 | return ReturnReg.Status;\r | |
| 986 | \r | |
| 987 | }\r | |
| 988 | \r | |
| 989 | EFI_STATUS\r | |
| 990 | EfiMemRead (\r | |
| 991 | IN EFI_CPU_IO_PROTOCOL_WIDTH Width,\r | |
| 992 | IN UINT64 Address,\r | |
| 993 | IN UINTN Count,\r | |
| 994 | IN OUT VOID *Buffer\r | |
| 995 | )\r | |
| 996 | /*++\r | |
| 997 | \r | |
| 998 | Routine Description:\r | |
| 999 | Perform a Memory mapped IO read into Buffer.\r | |
| 1000 | \r | |
| 1001 | Arguments:\r | |
| 1002 | Width - Width of each read transaction.\r | |
| 1003 | Address - Memory mapped IO address to read\r | |
| 1004 | Count - Number of Width quanta to read\r | |
| 1005 | Buffer - Buffer to read data into. size is Width * Count\r | |
| 1006 | \r | |
| 1007 | Returns:\r | |
| 1008 | Status code\r | |
| 1009 | \r | |
| 1010 | --*/\r | |
| 1011 | {\r | |
| 1012 | \r | |
| 1013 | SAL_RETURN_REGS ReturnReg;\r | |
| 1014 | \r | |
| 1015 | EFI_GUID Guid = EFI_EXTENDED_SAL_BASE_IO_SERVICES_PROTOCOL_GUID;\r | |
| 1016 | \r | |
| 1017 | ReturnReg = EfiCallEsalService (&Guid, MemRead, (UINT64) Width, Address, Count, (UINT64) Buffer, 0, 0, 0);\r | |
| 1018 | \r | |
| 1019 | return ReturnReg.Status;\r | |
| 1020 | \r | |
| 1021 | }\r | |
| 1022 | \r | |
| 1023 | EFI_STATUS\r | |
| 1024 | EfiMemWrite (\r | |
| 1025 | IN EFI_CPU_IO_PROTOCOL_WIDTH Width,\r | |
| 1026 | IN UINT64 Address,\r | |
| 1027 | IN UINTN Count,\r | |
| 1028 | IN OUT VOID *Buffer\r | |
| 1029 | )\r | |
| 1030 | /*++\r | |
| 1031 | \r | |
| 1032 | Routine Description:\r | |
| 1033 | Perform a memory mapped IO write into Buffer.\r | |
| 1034 | \r | |
| 1035 | Arguments:\r | |
| 1036 | Width - Width of write transaction, and repeat operation to use\r | |
| 1037 | Address - IO address to write\r | |
| 1038 | Count - Number of times to write the IO address.\r | |
| 1039 | Buffer - Buffer to write data from. size is Width * Count\r | |
| 1040 | \r | |
| 1041 | Returns:\r | |
| 1042 | Status code\r | |
| 1043 | \r | |
| 1044 | --*/\r | |
| 1045 | {\r | |
| 1046 | \r | |
| 1047 | SAL_RETURN_REGS ReturnReg;\r | |
| 1048 | \r | |
| 1049 | EFI_GUID Guid = EFI_EXTENDED_SAL_BASE_IO_SERVICES_PROTOCOL_GUID;\r | |
| 1050 | \r | |
| 1051 | ReturnReg = EfiCallEsalService (&Guid, MemWrite, (UINT64) Width, Address, Count, (UINT64) Buffer, 0, 0, 0);\r | |
| 1052 | \r | |
| 1053 | return ReturnReg.Status;\r | |
| 1054 | \r | |
| 1055 | }\r | |
| 1056 | \r | |
| 1057 | \r | |
| 1058 | #define EFI_PCI_ADDRESS_IPF(_seg, _bus, _devfunc, _reg) \\r | |
| 1059 | (((_seg) << 24) | ((_bus) << 16) | ((_devfunc) << 8) | (_reg)) & 0xFFFFFFFF\r | |
| 1060 | \r | |
| 1061 | //\r | |
| 1062 | // PCI Class Functions\r | |
| 1063 | //\r | |
| 1064 | UINT8\r | |
| 1065 | PciRead8 (\r | |
| 1066 | UINT8 Segment,\r | |
| 1067 | UINT8 Bus,\r | |
| 1068 | UINT8 DevFunc,\r | |
| 1069 | UINT8 Register\r | |
| 1070 | )\r | |
| 1071 | /*++\r | |
| 1072 | \r | |
| 1073 | Routine Description:\r | |
| 1074 | Perform an one byte PCI config cycle read\r | |
| 1075 | \r | |
| 1076 | Arguments:\r | |
| 1077 | Segment - PCI Segment ACPI _SEG\r | |
| 1078 | Bus - PCI Bus\r | |
| 1079 | DevFunc - PCI Device(7:3) and Func(2:0)\r | |
| 1080 | Register - PCI config space register\r | |
| 1081 | \r | |
| 1082 | Returns:\r | |
| 1083 | Data read from PCI config space\r | |
| 1084 | \r | |
| 1085 | --*/\r | |
| 1086 | {\r | |
| 1087 | EFI_GUID Guid = EFI_EXTENDED_SAL_PCI_SERVICES_PROTOCOL_GUID;\r | |
| 1088 | UINT64 Address;\r | |
| 1089 | SAL_RETURN_REGS Return;\r | |
| 1090 | \r | |
| 1091 | Address = EFI_PCI_ADDRESS_IPF (Segment, Bus, DevFunc, Register);\r | |
| 1092 | Return = EfiCallEsalService (&Guid, SalPciConfigRead, Address, 1, 0, 0, 0, 0, 0);\r | |
| 1093 | \r | |
| 1094 | return (UINT8) Return.r9;\r | |
| 1095 | }\r | |
| 1096 | \r | |
| 1097 | \r | |
| 1098 | UINT16\r | |
| 1099 | PciRead16 (\r | |
| 1100 | UINT8 Segment,\r | |
| 1101 | UINT8 Bus,\r | |
| 1102 | UINT8 DevFunc,\r | |
| 1103 | UINT8 Register\r | |
| 1104 | )\r | |
| 1105 | /*++\r | |
| 1106 | \r | |
| 1107 | Routine Description:\r | |
| 1108 | Perform an two byte PCI config cycle read\r | |
| 1109 | \r | |
| 1110 | Arguments:\r | |
| 1111 | Segment - PCI Segment ACPI _SEG\r | |
| 1112 | Bus - PCI Bus\r | |
| 1113 | DevFunc - PCI Device(7:3) and Func(2:0)\r | |
| 1114 | Register - PCI config space register\r | |
| 1115 | \r | |
| 1116 | Returns:\r | |
| 1117 | Data read from PCI config space\r | |
| 1118 | \r | |
| 1119 | --*/\r | |
| 1120 | {\r | |
| 1121 | EFI_GUID Guid = EFI_EXTENDED_SAL_PCI_SERVICES_PROTOCOL_GUID;\r | |
| 1122 | UINT64 Address;\r | |
| 1123 | SAL_RETURN_REGS Return;\r | |
| 1124 | \r | |
| 1125 | Address = EFI_PCI_ADDRESS_IPF (Segment, Bus, DevFunc, Register);\r | |
| 1126 | Return = EfiCallEsalService (&Guid, SalPciConfigRead, Address, 2, 0, 0, 0, 0, 0);\r | |
| 1127 | \r | |
| 1128 | return (UINT16) Return.r9;\r | |
| 1129 | }\r | |
| 1130 | \r | |
| 1131 | UINT32\r | |
| 1132 | PciRead32 (\r | |
| 1133 | UINT8 Segment,\r | |
| 1134 | UINT8 Bus,\r | |
| 1135 | UINT8 DevFunc,\r | |
| 1136 | UINT8 Register\r | |
| 1137 | )\r | |
| 1138 | /*++\r | |
| 1139 | \r | |
| 1140 | Routine Description:\r | |
| 1141 | Perform an four byte PCI config cycle read\r | |
| 1142 | \r | |
| 1143 | Arguments:\r | |
| 1144 | Segment - PCI Segment ACPI _SEG\r | |
| 1145 | Bus - PCI Bus\r | |
| 1146 | DevFunc - PCI Device(7:3) and Func(2:0)\r | |
| 1147 | Register - PCI config space register\r | |
| 1148 | \r | |
| 1149 | Returns:\r | |
| 1150 | Data read from PCI config space\r | |
| 1151 | \r | |
| 1152 | --*/\r | |
| 1153 | {\r | |
| 1154 | EFI_GUID Guid = EFI_EXTENDED_SAL_PCI_SERVICES_PROTOCOL_GUID;\r | |
| 1155 | UINT64 Address;\r | |
| 1156 | SAL_RETURN_REGS Return;\r | |
| 1157 | \r | |
| 1158 | Address = EFI_PCI_ADDRESS_IPF (Segment, Bus, DevFunc, Register);\r | |
| 1159 | Return = EfiCallEsalService (&Guid, SalPciConfigRead, Address, 4, 0, 0, 0, 0, 0);\r | |
| 1160 | \r | |
| 1161 | return (UINT32) Return.r9;\r | |
| 1162 | }\r | |
| 1163 | \r | |
| 1164 | VOID\r | |
| 1165 | PciWrite8 (\r | |
| 1166 | UINT8 Segment,\r | |
| 1167 | UINT8 Bus,\r | |
| 1168 | UINT8 DevFunc,\r | |
| 1169 | UINT8 Register,\r | |
| 1170 | UINT8 Data\r | |
| 1171 | )\r | |
| 1172 | /*++\r | |
| 1173 | \r | |
| 1174 | Routine Description:\r | |
| 1175 | Perform an one byte PCI config cycle write\r | |
| 1176 | \r | |
| 1177 | Arguments:\r | |
| 1178 | Segment - PCI Segment ACPI _SEG\r | |
| 1179 | Bus - PCI Bus\r | |
| 1180 | DevFunc - PCI Device(7:3) and Func(2:0)\r | |
| 1181 | Register - PCI config space register\r | |
| 1182 | Data - Data to write\r | |
| 1183 | \r | |
| 1184 | Returns:\r | |
| 1185 | NONE\r | |
| 1186 | \r | |
| 1187 | --*/\r | |
| 1188 | {\r | |
| 1189 | EFI_GUID Guid = EFI_EXTENDED_SAL_PCI_SERVICES_PROTOCOL_GUID;\r | |
| 1190 | UINT64 Address;\r | |
| 1191 | \r | |
| 1192 | Address = EFI_PCI_ADDRESS_IPF (Segment, Bus, DevFunc, Register);\r | |
| 1193 | EfiCallEsalService (&Guid, SalPciConfigWrite, Address, 1, Data, 0, 0, 0, 0);\r | |
| 1194 | }\r | |
| 1195 | \r | |
| 1196 | VOID\r | |
| 1197 | PciWrite16 (\r | |
| 1198 | UINT8 Segment,\r | |
| 1199 | UINT8 Bus,\r | |
| 1200 | UINT8 DevFunc,\r | |
| 1201 | UINT8 Register,\r | |
| 1202 | UINT16 Data\r | |
| 1203 | )\r | |
| 1204 | /*++\r | |
| 1205 | \r | |
| 1206 | Routine Description:\r | |
| 1207 | Perform an two byte PCI config cycle write\r | |
| 1208 | \r | |
| 1209 | Arguments:\r | |
| 1210 | Segment - PCI Segment ACPI _SEG\r | |
| 1211 | Bus - PCI Bus\r | |
| 1212 | DevFunc - PCI Device(7:3) and Func(2:0)\r | |
| 1213 | Register - PCI config space register\r | |
| 1214 | Data - Data to write\r | |
| 1215 | \r | |
| 1216 | Returns:\r | |
| 1217 | None.\r | |
| 1218 | \r | |
| 1219 | --*/\r | |
| 1220 | {\r | |
| 1221 | EFI_GUID Guid = EFI_EXTENDED_SAL_PCI_SERVICES_PROTOCOL_GUID;\r | |
| 1222 | UINT64 Address;\r | |
| 1223 | \r | |
| 1224 | Address = EFI_PCI_ADDRESS_IPF (Segment, Bus, DevFunc, Register);\r | |
| 1225 | EfiCallEsalService (&Guid, SalPciConfigWrite, Address, 2, Data, 0, 0, 0, 0);\r | |
| 1226 | }\r | |
| 1227 | \r | |
| 1228 | VOID\r | |
| 1229 | PciWrite32 (\r | |
| 1230 | UINT8 Segment,\r | |
| 1231 | UINT8 Bus,\r | |
| 1232 | UINT8 DevFunc,\r | |
| 1233 | UINT8 Register,\r | |
| 1234 | UINT32 Data\r | |
| 1235 | )\r | |
| 1236 | /*++\r | |
| 1237 | \r | |
| 1238 | Routine Description:\r | |
| 1239 | Perform an four byte PCI config cycle write\r | |
| 1240 | \r | |
| 1241 | Arguments:\r | |
| 1242 | Segment - PCI Segment ACPI _SEG\r | |
| 1243 | Bus - PCI Bus\r | |
| 1244 | DevFunc - PCI Device(7:3) and Func(2:0)\r | |
| 1245 | Register - PCI config space register\r | |
| 1246 | Data - Data to write\r | |
| 1247 | \r | |
| 1248 | Returns:\r | |
| 1249 | NONE\r | |
| 1250 | \r | |
| 1251 | --*/\r | |
| 1252 | {\r | |
| 1253 | EFI_GUID Guid = EFI_EXTENDED_SAL_PCI_SERVICES_PROTOCOL_GUID;\r | |
| 1254 | UINT64 Address;\r | |
| 1255 | \r | |
| 1256 | Address = EFI_PCI_ADDRESS_IPF (Segment, Bus, DevFunc, Register);\r | |
| 1257 | EfiCallEsalService (&Guid, SalPciConfigWrite, Address, 4, Data, 0, 0, 0, 0);\r | |
| 1258 | }\r | |
| 1259 | \r | |
| 1260 | //\r | |
| 1261 | // Stall class functions\r | |
| 1262 | //\r | |
| 1263 | VOID\r | |
| 1264 | EfiStall (\r | |
| 1265 | IN UINTN Microseconds\r | |
| 1266 | )\r | |
| 1267 | /*++\r | |
| 1268 | \r | |
| 1269 | Routine Description:\r | |
| 1270 | Delay for at least the request number of microseconds\r | |
| 1271 | \r | |
| 1272 | Arguments:\r | |
| 1273 | Microseconds - Number of microseconds to delay.\r | |
| 1274 | \r | |
| 1275 | Returns:\r | |
| 1276 | NONE\r | |
| 1277 | \r | |
| 1278 | --*/\r | |
| 1279 | {\r | |
| 1280 | EFI_GUID Guid = EFI_EXTENDED_SAL_STALL_SERVICES_PROTOCOL_GUID;\r | |
| 1281 | \r | |
| 1282 | if (EfiAtRuntime ()) {\r | |
| 1283 | EfiCallEsalService (&Guid, Stall, Microseconds, 4, 0, 0, 0, 0, 0);\r | |
| 1284 | } else {\r | |
| 1285 | gBS->Stall (Microseconds);\r | |
| 1286 | }\r | |
| 1287 | }\r | |
| 1288 | //\r | |
| 1289 | // Cache Flush Routine.\r | |
| 1290 | //\r | |
| 1291 | EFI_STATUS\r | |
| 1292 | EfiCpuFlushCache (\r | |
| 1293 | IN EFI_PHYSICAL_ADDRESS Start,\r | |
| 1294 | IN UINT64 Length\r | |
| 1295 | )\r | |
| 1296 | /*++\r | |
| 1297 | \r | |
| 1298 | Routine Description:\r | |
| 1299 | \r | |
| 1300 | Flush cache with specified range.\r | |
| 1301 | \r | |
| 1302 | Arguments:\r | |
| 1303 | \r | |
| 1304 | Start - Start address\r | |
| 1305 | Length - Length in bytes\r | |
| 1306 | \r | |
| 1307 | Returns:\r | |
| 1308 | \r | |
| 1309 | Status code\r | |
| 1310 | \r | |
| 1311 | EFI_SUCCESS - success\r | |
| 1312 | \r | |
| 1313 | --*/\r | |
| 1314 | {\r | |
| 1315 | SalFlushCache (Start, Length);\r | |
| 1316 | return EFI_SUCCESS;\r | |
| 1317 | }\r |