| 11f43dfd |
1 | /** @file\r |
| 2 | I/O Library.\r |
| 3 | \r |
| 4 | Copyright (c) 2006, Intel Corporation<BR>\r |
| 5 | All rights reserved. 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 |
| 11f43dfd |
13 | **/\r |
| 14 | \r |
| 15 | //\r |
| 16 | // The package level header files this module uses\r |
| 17 | //\r |
| 18 | #include <PiPei.h>\r |
| 19 | //\r |
| 20 | // The Library classes this module consumes\r |
| 21 | //\r |
| 22 | #include <Library/IoLib.h>\r |
| 23 | #include <Library/DebugLib.h>\r |
| 24 | #include <Library/BaseLib.h>\r |
| 25 | #include <Library/PeiServicesTablePointerLib.h>\r |
| 26 | \r |
| 27 | /**\r |
| 28 | Reads an 8-bit I/O port.\r |
| 29 | \r |
| 30 | Reads the 8-bit I/O port specified by Port. The 8-bit read value is returned.\r |
| 31 | This function must guarantee that all I/O read and write operations are\r |
| 32 | serialized.\r |
| 33 | \r |
| 34 | If 8-bit I/O port operations are not supported, then ASSERT().\r |
| 35 | \r |
| 36 | @param Port The I/O port to read.\r |
| 37 | \r |
| 38 | @return The value read.\r |
| 39 | \r |
| 40 | **/\r |
| 41 | UINT8\r |
| 42 | EFIAPI\r |
| 43 | IoRead8 (\r |
| 44 | IN UINTN Port\r |
| 45 | )\r |
| 46 | {\r |
| 47 | EFI_PEI_SERVICES **PeiServices;\r |
| 48 | EFI_PEI_CPU_IO_PPI *CpuIo;\r |
| 49 | \r |
| 50 | PeiServices = GetPeiServicesTablePointer ();\r |
| 51 | CpuIo = (*PeiServices)->CpuIo;\r |
| 52 | ASSERT (CpuIo != NULL);\r |
| 53 | \r |
| 54 | return CpuIo->IoRead8 (PeiServices, CpuIo, (UINT64) Port);\r |
| 55 | }\r |
| 56 | \r |
| 57 | /**\r |
| 58 | Writes an 8-bit I/O port.\r |
| 59 | \r |
| 60 | Writes the 8-bit I/O port specified by Port with the value specified by Value\r |
| 61 | and returns Value. This function must guarantee that all I/O read and write\r |
| 62 | operations are serialized.\r |
| 63 | \r |
| 64 | If 8-bit I/O port operations are not supported, then ASSERT().\r |
| 65 | \r |
| 66 | @param Port The I/O port to write.\r |
| 67 | @param Value The value to write to the I/O port.\r |
| 68 | \r |
| 69 | @return The value written the I/O port.\r |
| 70 | \r |
| 71 | **/\r |
| 72 | UINT8\r |
| 73 | EFIAPI\r |
| 74 | IoWrite8 (\r |
| 75 | IN UINTN Port,\r |
| 76 | IN UINT8 Value\r |
| 77 | )\r |
| 78 | {\r |
| 79 | EFI_PEI_SERVICES **PeiServices;\r |
| 80 | EFI_PEI_CPU_IO_PPI *CpuIo;\r |
| 81 | \r |
| 82 | PeiServices = GetPeiServicesTablePointer ();\r |
| 83 | CpuIo = (*PeiServices)->CpuIo;\r |
| 84 | ASSERT (CpuIo != NULL);\r |
| 85 | \r |
| 86 | CpuIo->IoWrite8 (PeiServices, CpuIo, (UINT64) Port, Value);\r |
| 87 | return Value;\r |
| 88 | }\r |
| 89 | \r |
| 90 | /**\r |
| 91 | Reads a 16-bit I/O port.\r |
| 92 | \r |
| 93 | Reads the 16-bit I/O port specified by Port. The 16-bit read value is returned.\r |
| 94 | This function must guarantee that all I/O read and write operations are\r |
| 95 | serialized.\r |
| 96 | \r |
| 97 | If 16-bit I/O port operations are not supported, then ASSERT().\r |
| 98 | \r |
| 99 | @param Port The I/O port to read.\r |
| 100 | \r |
| 101 | @return The value read.\r |
| 102 | \r |
| 103 | **/\r |
| 104 | UINT16\r |
| 105 | EFIAPI\r |
| 106 | IoRead16 (\r |
| 107 | IN UINTN Port\r |
| 108 | )\r |
| 109 | {\r |
| 110 | EFI_PEI_SERVICES **PeiServices;\r |
| 111 | EFI_PEI_CPU_IO_PPI *CpuIo;\r |
| 112 | \r |
| 113 | PeiServices = GetPeiServicesTablePointer ();\r |
| 114 | CpuIo = (*PeiServices)->CpuIo;\r |
| 115 | ASSERT (CpuIo != NULL);\r |
| 116 | //\r |
| 117 | // Make sure Port is aligned on a 16-bit boundary.\r |
| 118 | //\r |
| 119 | ASSERT ((Port & 1) == 0);\r |
| 120 | return CpuIo->IoRead16 (PeiServices, CpuIo, (UINT64) Port);\r |
| 121 | }\r |
| 122 | \r |
| 123 | /**\r |
| 124 | Writes a 16-bit I/O port.\r |
| 125 | \r |
| 126 | Writes the 16-bit I/O port specified by Port with the value specified by Value\r |
| 127 | and returns Value. This function must guarantee that all I/O read and write\r |
| 128 | operations are serialized.\r |
| 129 | \r |
| 130 | If 16-bit I/O port operations are not supported, then ASSERT().\r |
| 131 | \r |
| 132 | @param Port The I/O port to write.\r |
| 133 | @param Value The value to write to the I/O port.\r |
| 134 | \r |
| 135 | @return The value written the I/O port.\r |
| 136 | \r |
| 137 | **/\r |
| 138 | UINT16\r |
| 139 | EFIAPI\r |
| 140 | IoWrite16 (\r |
| 141 | IN UINTN Port,\r |
| 142 | IN UINT16 Value\r |
| 143 | )\r |
| 144 | {\r |
| 145 | EFI_PEI_SERVICES **PeiServices;\r |
| 146 | EFI_PEI_CPU_IO_PPI *CpuIo;\r |
| 147 | \r |
| 148 | PeiServices = GetPeiServicesTablePointer ();\r |
| 149 | CpuIo = (*PeiServices)->CpuIo;\r |
| 150 | ASSERT (CpuIo != NULL);\r |
| 151 | //\r |
| 152 | // Make sure Port is aligned on a 16-bit boundary.\r |
| 153 | //\r |
| 154 | ASSERT ((Port & 1) == 0);\r |
| 155 | CpuIo->IoWrite16 (PeiServices, CpuIo, (UINT64) Port, Value);\r |
| 156 | return Value;\r |
| 157 | }\r |
| 158 | \r |
| 159 | /**\r |
| 160 | Reads a 32-bit I/O port.\r |
| 161 | \r |
| 162 | Reads the 32-bit I/O port specified by Port. The 32-bit read value is returned.\r |
| 163 | This function must guarantee that all I/O read and write operations are\r |
| 164 | serialized.\r |
| 165 | \r |
| 166 | If 32-bit I/O port operations are not supported, then ASSERT().\r |
| 167 | \r |
| 168 | @param Port The I/O port to read.\r |
| 169 | \r |
| 170 | @return The value read.\r |
| 171 | \r |
| 172 | **/\r |
| 173 | UINT32\r |
| 174 | EFIAPI\r |
| 175 | IoRead32 (\r |
| 176 | IN UINTN Port\r |
| 177 | )\r |
| 178 | {\r |
| 179 | EFI_PEI_SERVICES **PeiServices;\r |
| 180 | EFI_PEI_CPU_IO_PPI *CpuIo;\r |
| 181 | \r |
| 182 | PeiServices = GetPeiServicesTablePointer ();\r |
| 183 | CpuIo = (*PeiServices)->CpuIo;\r |
| 184 | ASSERT (CpuIo != NULL);\r |
| 185 | //\r |
| 186 | // Make sure Port is aligned on a 32-bit boundary.\r |
| 187 | //\r |
| 188 | ASSERT ((Port & 3) == 0);\r |
| 189 | return CpuIo->IoRead32 (PeiServices, CpuIo, (UINT64) Port);\r |
| 190 | }\r |
| 191 | \r |
| 192 | /**\r |
| 193 | Writes a 32-bit I/O port.\r |
| 194 | \r |
| 195 | Writes the 32-bit I/O port specified by Port with the value specified by Value\r |
| 196 | and returns Value. This function must guarantee that all I/O read and write\r |
| 197 | operations are serialized.\r |
| 198 | \r |
| 199 | If 32-bit I/O port operations are not supported, then ASSERT().\r |
| 200 | \r |
| 201 | @param Port The I/O port to write.\r |
| 202 | @param Value The value to write to the I/O port.\r |
| 203 | \r |
| 204 | @return The value written the I/O port.\r |
| 205 | \r |
| 206 | **/\r |
| 207 | UINT32\r |
| 208 | EFIAPI\r |
| 209 | IoWrite32 (\r |
| 210 | IN UINTN Port,\r |
| 211 | IN UINT32 Value\r |
| 212 | )\r |
| 213 | {\r |
| 214 | EFI_PEI_SERVICES **PeiServices;\r |
| 215 | EFI_PEI_CPU_IO_PPI *CpuIo;\r |
| 216 | \r |
| 217 | PeiServices = GetPeiServicesTablePointer ();\r |
| 218 | CpuIo = (*PeiServices)->CpuIo;\r |
| 219 | ASSERT (CpuIo != NULL);\r |
| 220 | //\r |
| 221 | // Make sure Port is aligned on a 32-bit boundary.\r |
| 222 | //\r |
| 223 | ASSERT ((Port & 3) == 0);\r |
| 224 | CpuIo->IoWrite32 (PeiServices, CpuIo, (UINT64) Port, Value);\r |
| 225 | return Value;\r |
| 226 | }\r |
| 227 | \r |
| 228 | /**\r |
| 229 | Reads a 64-bit I/O port.\r |
| 230 | \r |
| 231 | Reads the 64-bit I/O port specified by Port. The 64-bit read value is returned.\r |
| 232 | This function must guarantee that all I/O read and write operations are\r |
| 233 | serialized.\r |
| 234 | \r |
| 235 | If 64-bit I/O port operations are not supported, then ASSERT().\r |
| 236 | \r |
| 237 | @param Port The I/O port to read.\r |
| 238 | \r |
| 239 | @return The value read.\r |
| 240 | \r |
| 241 | **/\r |
| 242 | UINT64\r |
| 243 | EFIAPI\r |
| 244 | IoRead64 (\r |
| 245 | IN UINTN Port\r |
| 246 | )\r |
| 247 | {\r |
| 248 | EFI_PEI_SERVICES **PeiServices;\r |
| 249 | EFI_PEI_CPU_IO_PPI *CpuIo;\r |
| 250 | \r |
| 251 | PeiServices = GetPeiServicesTablePointer ();\r |
| 252 | CpuIo = (*PeiServices)->CpuIo;\r |
| 253 | ASSERT (CpuIo != NULL);\r |
| 254 | //\r |
| 255 | // Make sure Port is aligned on a 64-bit boundary.\r |
| 256 | //\r |
| 257 | ASSERT ((Port & 7) == 0);\r |
| 258 | return CpuIo->IoRead64 (PeiServices, CpuIo, (UINT64) Port);\r |
| 259 | }\r |
| 260 | \r |
| 261 | /**\r |
| 262 | Writes a 64-bit I/O port.\r |
| 263 | \r |
| 264 | Writes the 64-bit I/O port specified by Port with the value specified by Value\r |
| 265 | and returns Value. This function must guarantee that all I/O read and write\r |
| 266 | operations are serialized.\r |
| 267 | \r |
| 268 | If 64-bit I/O port operations are not supported, then ASSERT().\r |
| 269 | \r |
| 270 | @param Port The I/O port to write.\r |
| 271 | @param Value The value to write to the I/O port.\r |
| 272 | \r |
| 273 | @return The value written the I/O port.\r |
| 274 | \r |
| 275 | **/\r |
| 276 | UINT64\r |
| 277 | EFIAPI\r |
| 278 | IoWrite64 (\r |
| 279 | IN UINTN Port,\r |
| 280 | IN UINT64 Value\r |
| 281 | )\r |
| 282 | {\r |
| 283 | EFI_PEI_SERVICES **PeiServices;\r |
| 284 | EFI_PEI_CPU_IO_PPI *CpuIo;\r |
| 285 | \r |
| 286 | PeiServices = GetPeiServicesTablePointer ();\r |
| 287 | CpuIo = (*PeiServices)->CpuIo;\r |
| 288 | ASSERT (CpuIo != NULL);\r |
| 289 | //\r |
| 290 | // Make sure Port is aligned on a 64-bit boundary.\r |
| 291 | //\r |
| 292 | ASSERT ((Port & 7) == 0);\r |
| 293 | CpuIo->IoWrite64 (PeiServices, CpuIo, (UINT64) Port, Value);\r |
| 294 | return Value;;\r |
| 295 | }\r |
| 296 | \r |
| 297 | /**\r |
| 298 | Reads an 8-bit MMIO register.\r |
| 299 | \r |
| 300 | Reads the 8-bit MMIO register specified by Address. The 8-bit read value is\r |
| 301 | returned. This function must guarantee that all MMIO read and write\r |
| 302 | operations are serialized.\r |
| 303 | \r |
| 304 | If 8-bit MMIO register operations are not supported, then ASSERT().\r |
| 305 | \r |
| 306 | @param Address The MMIO register to read.\r |
| 307 | \r |
| 308 | @return The value read.\r |
| 309 | \r |
| 310 | **/\r |
| 311 | UINT8\r |
| 312 | EFIAPI\r |
| 313 | MmioRead8 (\r |
| 314 | IN UINTN Address\r |
| 315 | )\r |
| 316 | {\r |
| 317 | EFI_PEI_SERVICES **PeiServices;\r |
| 318 | EFI_PEI_CPU_IO_PPI *CpuIo;\r |
| 319 | \r |
| 320 | PeiServices = GetPeiServicesTablePointer ();\r |
| 321 | CpuIo = (*PeiServices)->CpuIo;\r |
| 322 | ASSERT (CpuIo != NULL);\r |
| 323 | \r |
| 324 | return CpuIo->MemRead8 (PeiServices, CpuIo, (UINT64) Address);\r |
| 325 | }\r |
| 326 | \r |
| 327 | /**\r |
| 328 | Writes an 8-bit MMIO register.\r |
| 329 | \r |
| 330 | Writes the 8-bit MMIO register specified by Address with the value specified\r |
| 331 | by Value and returns Value. This function must guarantee that all MMIO read\r |
| 332 | and write operations are serialized.\r |
| 333 | \r |
| 334 | If 8-bit MMIO register operations are not supported, then ASSERT().\r |
| 335 | \r |
| 336 | @param Address The MMIO register to write.\r |
| 337 | @param Value The value to write to the MMIO register.\r |
| 338 | \r |
| 339 | **/\r |
| 340 | UINT8\r |
| 341 | EFIAPI\r |
| 342 | MmioWrite8 (\r |
| 343 | IN UINTN Address,\r |
| 344 | IN UINT8 Value\r |
| 345 | )\r |
| 346 | {\r |
| 347 | EFI_PEI_SERVICES **PeiServices;\r |
| 348 | EFI_PEI_CPU_IO_PPI *CpuIo;\r |
| 349 | \r |
| 350 | PeiServices = GetPeiServicesTablePointer ();\r |
| 351 | CpuIo = (*PeiServices)->CpuIo;\r |
| 352 | ASSERT (CpuIo != NULL);\r |
| 353 | \r |
| 354 | CpuIo->MemWrite8 (PeiServices, CpuIo, (UINT64) Address, Value);\r |
| 355 | return Value;\r |
| 356 | }\r |
| 357 | \r |
| 358 | /**\r |
| 359 | Reads a 16-bit MMIO register.\r |
| 360 | \r |
| 361 | Reads the 16-bit MMIO register specified by Address. The 16-bit read value is\r |
| 362 | returned. This function must guarantee that all MMIO read and write\r |
| 363 | operations are serialized.\r |
| 364 | \r |
| 365 | If 16-bit MMIO register operations are not supported, then ASSERT().\r |
| 366 | \r |
| 367 | @param Address The MMIO register to read.\r |
| 368 | \r |
| 369 | @return The value read.\r |
| 370 | \r |
| 371 | **/\r |
| 372 | UINT16\r |
| 373 | EFIAPI\r |
| 374 | MmioRead16 (\r |
| 375 | IN UINTN Address\r |
| 376 | )\r |
| 377 | {\r |
| 378 | EFI_PEI_SERVICES **PeiServices;\r |
| 379 | EFI_PEI_CPU_IO_PPI *CpuIo;\r |
| 380 | \r |
| 381 | PeiServices = GetPeiServicesTablePointer ();\r |
| 382 | CpuIo = (*PeiServices)->CpuIo;\r |
| 383 | ASSERT (CpuIo != NULL);\r |
| 384 | //\r |
| 385 | // Make sure Address is aligned on a 16-bit boundary.\r |
| 386 | //\r |
| 387 | ASSERT ((Address & 1) == 0);\r |
| 388 | return CpuIo->MemRead16 (PeiServices, CpuIo, (UINT64) Address);\r |
| 389 | \r |
| 390 | }\r |
| 391 | \r |
| 392 | /**\r |
| 393 | Writes a 16-bit MMIO register.\r |
| 394 | \r |
| 395 | Writes the 16-bit MMIO register specified by Address with the value specified\r |
| 396 | by Value and returns Value. This function must guarantee that all MMIO read\r |
| 397 | and write operations are serialized.\r |
| 398 | \r |
| 399 | If 16-bit MMIO register operations are not supported, then ASSERT().\r |
| 400 | \r |
| 401 | @param Address The MMIO register to write.\r |
| 402 | @param Value The value to write to the MMIO register.\r |
| 403 | \r |
| 404 | **/\r |
| 405 | UINT16\r |
| 406 | EFIAPI\r |
| 407 | MmioWrite16 (\r |
| 408 | IN UINTN Address,\r |
| 409 | IN UINT16 Value\r |
| 410 | )\r |
| 411 | {\r |
| 412 | EFI_PEI_SERVICES **PeiServices;\r |
| 413 | EFI_PEI_CPU_IO_PPI *CpuIo;\r |
| 414 | \r |
| 415 | PeiServices = GetPeiServicesTablePointer ();\r |
| 416 | CpuIo = (*PeiServices)->CpuIo;\r |
| 417 | ASSERT (CpuIo != NULL);\r |
| 418 | //\r |
| 419 | // Make sure Address is aligned on a 16-bit boundary.\r |
| 420 | //\r |
| 421 | ASSERT ((Address & 1) == 0);\r |
| 422 | CpuIo->MemWrite16 (PeiServices, CpuIo, (UINT64) Address, Value);\r |
| 423 | return Value;\r |
| 424 | }\r |
| 425 | \r |
| 426 | /**\r |
| 427 | Reads a 32-bit MMIO register.\r |
| 428 | \r |
| 429 | Reads the 32-bit MMIO register specified by Address. The 32-bit read value is\r |
| 430 | returned. This function must guarantee that all MMIO read and write\r |
| 431 | operations are serialized.\r |
| 432 | \r |
| 433 | If 32-bit MMIO register operations are not supported, then ASSERT().\r |
| 434 | \r |
| 435 | @param Address The MMIO register to read.\r |
| 436 | \r |
| 437 | @return The value read.\r |
| 438 | \r |
| 439 | **/\r |
| 440 | UINT32\r |
| 441 | EFIAPI\r |
| 442 | MmioRead32 (\r |
| 443 | IN UINTN Address\r |
| 444 | )\r |
| 445 | {\r |
| 446 | EFI_PEI_SERVICES **PeiServices;\r |
| 447 | EFI_PEI_CPU_IO_PPI *CpuIo;\r |
| 448 | \r |
| 449 | PeiServices = GetPeiServicesTablePointer ();\r |
| 450 | CpuIo = (*PeiServices)->CpuIo;\r |
| 451 | ASSERT (CpuIo != NULL);\r |
| 452 | //\r |
| 453 | // Make sure Address is aligned on a 32-bit boundary.\r |
| 454 | //\r |
| 455 | ASSERT ((Address & 3) == 0);\r |
| 456 | return CpuIo->MemRead32 (PeiServices, CpuIo, (UINT64) Address);\r |
| 457 | \r |
| 458 | }\r |
| 459 | \r |
| 460 | /**\r |
| 461 | Writes a 32-bit MMIO register.\r |
| 462 | \r |
| 463 | Writes the 32-bit MMIO register specified by Address with the value specified\r |
| 464 | by Value and returns Value. This function must guarantee that all MMIO read\r |
| 465 | and write operations are serialized.\r |
| 466 | \r |
| 467 | If 32-bit MMIO register operations are not supported, then ASSERT().\r |
| 468 | \r |
| 469 | @param Address The MMIO register to write.\r |
| 470 | @param Value The value to write to the MMIO register.\r |
| 471 | \r |
| 472 | **/\r |
| 473 | UINT32\r |
| 474 | EFIAPI\r |
| 475 | MmioWrite32 (\r |
| 476 | IN UINTN Address,\r |
| 477 | IN UINT32 Value\r |
| 478 | )\r |
| 479 | {\r |
| 480 | EFI_PEI_SERVICES **PeiServices;\r |
| 481 | EFI_PEI_CPU_IO_PPI *CpuIo;\r |
| 482 | \r |
| 483 | PeiServices = GetPeiServicesTablePointer ();\r |
| 484 | CpuIo = (*PeiServices)->CpuIo;\r |
| 485 | ASSERT (CpuIo != NULL);\r |
| 486 | //\r |
| 487 | // Make sure Address is aligned on a 32-bit boundary.\r |
| 488 | //\r |
| 489 | ASSERT ((Address & 3) == 0);\r |
| 490 | CpuIo->MemWrite32 (PeiServices, CpuIo, (UINT64) Address, Value);\r |
| 491 | return Value;\r |
| 492 | }\r |
| 493 | \r |
| 494 | /**\r |
| 495 | Reads a 64-bit MMIO register.\r |
| 496 | \r |
| 497 | Reads the 64-bit MMIO register specified by Address. The 64-bit read value is\r |
| 498 | returned. This function must guarantee that all MMIO read and write\r |
| 499 | operations are serialized.\r |
| 500 | \r |
| 501 | If 64-bit MMIO register operations are not supported, then ASSERT().\r |
| 502 | \r |
| 503 | @param Address The MMIO register to read.\r |
| 504 | \r |
| 505 | @return The value read.\r |
| 506 | \r |
| 507 | **/\r |
| 508 | UINT64\r |
| 509 | EFIAPI\r |
| 510 | MmioRead64 (\r |
| 511 | IN UINTN Address\r |
| 512 | )\r |
| 513 | {\r |
| 514 | EFI_PEI_SERVICES **PeiServices;\r |
| 515 | EFI_PEI_CPU_IO_PPI *CpuIo;\r |
| 516 | \r |
| 517 | PeiServices = GetPeiServicesTablePointer ();\r |
| 518 | CpuIo = (*PeiServices)->CpuIo;\r |
| 519 | ASSERT (CpuIo != NULL);\r |
| 520 | //\r |
| 521 | // Make sure Address is aligned on a 64-bit boundary.\r |
| 522 | //\r |
| 523 | ASSERT ((Address & 7) == 0);\r |
| 524 | return CpuIo->MemRead64 (PeiServices, CpuIo, (UINT64) Address);\r |
| 525 | \r |
| 526 | }\r |
| 527 | \r |
| 528 | /**\r |
| 529 | Writes a 64-bit MMIO register.\r |
| 530 | \r |
| 531 | Writes the 64-bit MMIO register specified by Address with the value specified\r |
| 532 | by Value and returns Value. This function must guarantee that all MMIO read\r |
| 533 | and write operations are serialized.\r |
| 534 | \r |
| 535 | If 64-bit MMIO register operations are not supported, then ASSERT().\r |
| 536 | \r |
| 537 | @param Address The MMIO register to write.\r |
| 538 | @param Value The value to write to the MMIO register.\r |
| 539 | \r |
| 540 | **/\r |
| 541 | UINT64\r |
| 542 | EFIAPI\r |
| 543 | MmioWrite64 (\r |
| 544 | IN UINTN Address,\r |
| 545 | IN UINT64 Value\r |
| 546 | )\r |
| 547 | {\r |
| 548 | EFI_PEI_SERVICES **PeiServices;\r |
| 549 | EFI_PEI_CPU_IO_PPI *CpuIo;\r |
| 550 | \r |
| 551 | PeiServices = GetPeiServicesTablePointer ();\r |
| 552 | CpuIo = (*PeiServices)->CpuIo;\r |
| 553 | ASSERT (CpuIo != NULL);\r |
| 554 | //\r |
| 555 | // Make sure Address is aligned on a 64-bit boundary.\r |
| 556 | //\r |
| 557 | ASSERT ((Address & 7) == 0);\r |
| 558 | CpuIo->MemWrite64 (PeiServices, CpuIo, (UINT64) Address, Value);\r |
| 559 | return Value;\r |
| 560 | }\r |
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