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5f55c700 | 1 | /** @file\r |
2 | ACPI Table Protocol Implementation\r | |
3 | \r | |
36d58153 | 4 | Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>\r |
e5eed7d3 | 5 | This program and the accompanying materials\r |
5f55c700 | 6 | are licensed and made available under the terms and conditions of the BSD License\r |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | \r | |
13 | **/\r | |
14 | \r | |
15 | //\r | |
16 | // Includes\r | |
17 | //\r | |
18 | #include "AcpiTable.h"\r | |
da935a5c | 19 | //\r |
20 | // The maximum number of tables that pre-allocated. \r | |
21 | //\r | |
22 | UINTN mEfiAcpiMaxNumTables = EFI_ACPI_MAX_NUM_TABLES; \r | |
5f55c700 | 23 | \r |
24 | /**\r | |
25 | This function adds an ACPI table to the table list. It will detect FACS and\r | |
26 | allocate the correct type of memory and properly align the table.\r | |
27 | \r | |
28 | @param AcpiTableInstance Instance of the protocol.\r | |
29 | @param Table Table to add.\r | |
30 | @param Checksum Does the table require checksumming.\r | |
31 | @param Version The version of the list to add the table to.\r | |
32 | @param Handle Pointer for returning the handle.\r | |
33 | \r | |
34 | @return EFI_SUCCESS The function completed successfully.\r | |
35 | @return EFI_OUT_OF_RESOURCES Could not allocate a required resource.\r | |
36 | @return EFI_ABORTED The table is a duplicate of a table that is required\r | |
37 | to be unique.\r | |
38 | \r | |
39 | **/\r | |
40 | EFI_STATUS\r | |
41 | AddTableToList (\r | |
42 | IN EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance,\r | |
43 | IN VOID *Table,\r | |
44 | IN BOOLEAN Checksum,\r | |
45 | IN EFI_ACPI_TABLE_VERSION Version,\r | |
46 | OUT UINTN *Handle\r | |
47 | );\r | |
48 | \r | |
49 | /**\r | |
50 | This function finds and removes the table specified by the handle.\r | |
51 | \r | |
52 | @param AcpiTableInstance Instance of the protocol.\r | |
53 | @param Version Bitmask of which versions to remove.\r | |
54 | @param Handle Table to remove.\r | |
55 | \r | |
56 | @return EFI_SUCCESS The function completed successfully.\r | |
57 | @return EFI_ABORTED An error occurred.\r | |
58 | @return EFI_NOT_FOUND Handle not found in table list.\r | |
59 | \r | |
60 | **/\r | |
61 | EFI_STATUS\r | |
62 | RemoveTableFromList (\r | |
63 | IN EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance,\r | |
64 | IN EFI_ACPI_TABLE_VERSION Version,\r | |
65 | IN UINTN Handle\r | |
66 | );\r | |
67 | \r | |
68 | /**\r | |
69 | This function calculates and updates an UINT8 checksum.\r | |
70 | \r | |
71 | @param Buffer Pointer to buffer to checksum\r | |
72 | @param Size Number of bytes to checksum\r | |
73 | @param ChecksumOffset Offset to place the checksum result in\r | |
74 | \r | |
75 | @return EFI_SUCCESS The function completed successfully.\r | |
5f55c700 | 76 | **/\r |
77 | EFI_STATUS\r | |
78 | AcpiPlatformChecksum (\r | |
79 | IN VOID *Buffer,\r | |
80 | IN UINTN Size,\r | |
81 | IN UINTN ChecksumOffset\r | |
82 | );\r | |
83 | \r | |
84 | /**\r | |
85 | Checksum all versions of the common tables, RSDP, RSDT, XSDT.\r | |
86 | \r | |
87 | @param AcpiTableInstance Protocol instance private data.\r | |
88 | \r | |
89 | @return EFI_SUCCESS The function completed successfully.\r | |
90 | \r | |
91 | **/\r | |
92 | EFI_STATUS\r | |
93 | ChecksumCommonTables (\r | |
94 | IN OUT EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance\r | |
95 | );\r | |
96 | \r | |
97 | //\r | |
98 | // Protocol function implementations.\r | |
99 | //\r | |
100 | \r | |
101 | /**\r | |
102 | This function adds, removes, or updates ACPI tables. If the address is not\r | |
103 | null and the handle value is null, the table is added. If both the address and \r | |
104 | handle are not null, the table at handle is updated with the table at address.\r | |
105 | If the address is null and the handle is not, the table at handle is deleted.\r | |
106 | \r | |
107 | @param AcpiTableInstance Instance of the protocol.\r | |
108 | @param Table Pointer to a table.\r | |
109 | @param Checksum Boolean indicating if the checksum should be calculated.\r | |
110 | @param Version Version(s) to set.\r | |
111 | @param Handle Handle of the table.\r | |
112 | \r | |
113 | @return EFI_SUCCESS The function completed successfully.\r | |
114 | @return EFI_INVALID_PARAMETER Both the Table and *Handle were NULL.\r | |
115 | @return EFI_ABORTED Could not complete the desired request.\r | |
116 | \r | |
117 | **/\r | |
118 | EFI_STATUS\r | |
119 | EFIAPI\r | |
120 | SetAcpiTable (\r | |
121 | IN EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance,\r | |
122 | IN VOID *Table OPTIONAL,\r | |
123 | IN BOOLEAN Checksum,\r | |
124 | IN EFI_ACPI_TABLE_VERSION Version,\r | |
125 | IN OUT UINTN *Handle\r | |
126 | )\r | |
127 | {\r | |
128 | UINTN SavedHandle;\r | |
129 | EFI_STATUS Status;\r | |
130 | \r | |
131 | //\r | |
132 | // Check for invalid input parameters\r | |
133 | //\r | |
134 | ASSERT (Handle);\r | |
135 | \r | |
136 | //\r | |
137 | // Initialize locals\r | |
138 | //\r | |
139 | //\r | |
140 | // Determine desired action\r | |
141 | //\r | |
142 | if (*Handle == 0) {\r | |
143 | if (Table == NULL) {\r | |
144 | //\r | |
145 | // Invalid parameter combination\r | |
146 | //\r | |
147 | return EFI_INVALID_PARAMETER;\r | |
148 | } else {\r | |
149 | //\r | |
150 | // Add table\r | |
151 | //\r | |
152 | Status = AddTableToList (AcpiTableInstance, Table, Checksum, Version, Handle);\r | |
153 | }\r | |
154 | } else {\r | |
155 | if (Table != NULL) {\r | |
156 | //\r | |
157 | // Update table\r | |
158 | //\r | |
159 | //\r | |
160 | // Delete the table list entry\r | |
161 | //\r | |
162 | Status = RemoveTableFromList (AcpiTableInstance, Version, *Handle);\r | |
163 | if (EFI_ERROR (Status)) {\r | |
164 | //\r | |
165 | // Should not get an error here ever, but abort if we do.\r | |
166 | //\r | |
167 | return EFI_ABORTED;\r | |
168 | }\r | |
169 | //\r | |
170 | // Set the handle to replace the table at the same handle\r | |
171 | //\r | |
172 | SavedHandle = AcpiTableInstance->CurrentHandle;\r | |
173 | AcpiTableInstance->CurrentHandle = *Handle;\r | |
174 | \r | |
175 | //\r | |
176 | // Add the table\r | |
177 | //\r | |
178 | Status = AddTableToList (AcpiTableInstance, Table, Checksum, Version, Handle);\r | |
179 | \r | |
180 | //\r | |
181 | // Restore the saved current handle\r | |
182 | //\r | |
183 | AcpiTableInstance->CurrentHandle = SavedHandle;\r | |
184 | } else {\r | |
185 | //\r | |
186 | // Delete table\r | |
187 | //\r | |
188 | Status = RemoveTableFromList (AcpiTableInstance, Version, *Handle);\r | |
189 | }\r | |
190 | }\r | |
191 | \r | |
192 | if (EFI_ERROR (Status)) {\r | |
193 | //\r | |
194 | // Should not get an error here ever, but abort if we do.\r | |
195 | //\r | |
196 | return EFI_ABORTED;\r | |
197 | }\r | |
198 | //\r | |
199 | // Done\r | |
200 | //\r | |
201 | return EFI_SUCCESS;\r | |
202 | }\r | |
203 | \r | |
204 | /**\r | |
205 | This function publishes the specified versions of the ACPI tables by\r | |
206 | installing EFI configuration table entries for them. Any combination of\r | |
207 | table versions can be published.\r | |
208 | \r | |
209 | @param AcpiTableInstance Instance of the protocol.\r | |
210 | @param Version Version(s) to publish.\r | |
211 | \r | |
212 | @return EFI_SUCCESS The function completed successfully.\r | |
213 | @return EFI_ABORTED The function could not complete successfully.\r | |
214 | \r | |
215 | **/\r | |
216 | EFI_STATUS\r | |
217 | EFIAPI\r | |
218 | PublishTables (\r | |
219 | IN EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance,\r | |
220 | IN EFI_ACPI_TABLE_VERSION Version\r | |
221 | )\r | |
222 | {\r | |
223 | EFI_STATUS Status;\r | |
224 | UINT32 *CurrentRsdtEntry;\r | |
225 | VOID *CurrentXsdtEntry;\r | |
226 | UINT64 Buffer64;\r | |
227 | \r | |
228 | //\r | |
229 | // Reorder tables as some operating systems don't seem to find the\r | |
230 | // FADT correctly if it is not in the first few entries\r | |
231 | //\r | |
232 | \r | |
233 | //\r | |
234 | // Add FADT as the first entry\r | |
235 | //\r | |
236 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
237 | CurrentRsdtEntry = (UINT32 *) ((UINT8 *) AcpiTableInstance->Rsdt1 + sizeof (EFI_ACPI_DESCRIPTION_HEADER));\r | |
238 | *CurrentRsdtEntry = (UINT32) (UINTN) AcpiTableInstance->Fadt1;\r | |
239 | }\r | |
240 | if ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 ||\r | |
241 | (Version & EFI_ACPI_TABLE_VERSION_3_0) != 0) {\r | |
242 | CurrentRsdtEntry = (UINT32 *) ((UINT8 *) AcpiTableInstance->Rsdt3 + sizeof (EFI_ACPI_DESCRIPTION_HEADER));\r | |
243 | *CurrentRsdtEntry = (UINT32) (UINTN) AcpiTableInstance->Fadt3;\r | |
244 | CurrentXsdtEntry = (VOID *) ((UINT8 *) AcpiTableInstance->Xsdt + sizeof (EFI_ACPI_DESCRIPTION_HEADER));\r | |
245 | //\r | |
246 | // Add entry to XSDT, XSDT expects 64 bit pointers, but\r | |
247 | // the table pointers in XSDT are not aligned on 8 byte boundary.\r | |
248 | //\r | |
249 | Buffer64 = (UINT64) (UINTN) AcpiTableInstance->Fadt3;\r | |
250 | CopyMem (\r | |
251 | CurrentXsdtEntry,\r | |
252 | &Buffer64,\r | |
253 | sizeof (UINT64)\r | |
254 | );\r | |
255 | }\r | |
256 | \r | |
257 | //\r | |
258 | // Do checksum again because Dsdt/Xsdt is updated.\r | |
259 | //\r | |
260 | ChecksumCommonTables (AcpiTableInstance);\r | |
261 | \r | |
262 | //\r | |
263 | // Add the RSD_PTR to the system table and store that we have installed the\r | |
264 | // tables.\r | |
265 | //\r | |
266 | if (((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) &&\r | |
267 | !AcpiTableInstance->TablesInstalled1) {\r | |
268 | Status = gBS->InstallConfigurationTable (&gEfiAcpi10TableGuid, AcpiTableInstance->Rsdp1);\r | |
269 | if (EFI_ERROR (Status)) {\r | |
270 | return EFI_ABORTED;\r | |
271 | }\r | |
272 | \r | |
273 | AcpiTableInstance->TablesInstalled1 = TRUE;\r | |
274 | }\r | |
275 | \r | |
276 | if (((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 ||\r | |
277 | (Version & EFI_ACPI_TABLE_VERSION_3_0) != 0) &&\r | |
278 | !AcpiTableInstance->TablesInstalled3) {\r | |
279 | Status = gBS->InstallConfigurationTable (&gEfiAcpiTableGuid, AcpiTableInstance->Rsdp3);\r | |
280 | if (EFI_ERROR (Status)) {\r | |
281 | return EFI_ABORTED;\r | |
282 | }\r | |
283 | \r | |
284 | AcpiTableInstance->TablesInstalled3= TRUE;\r | |
285 | }\r | |
286 | \r | |
287 | return EFI_SUCCESS;\r | |
288 | }\r | |
289 | \r | |
290 | \r | |
291 | /**\r | |
292 | Installs an ACPI table into the RSDT/XSDT.\r | |
2fd3009f | 293 | Note that the ACPI table should be checksumed before installing it.\r |
294 | Otherwise it will assert.\r | |
5f55c700 | 295 | \r |
296 | @param This Protocol instance pointer.\r | |
297 | @param AcpiTableBuffer A pointer to a buffer containing the ACPI table to be installed.\r | |
298 | @param AcpiTableBufferSize Specifies the size, in bytes, of the AcpiTableBuffer buffer.\r | |
299 | @param TableKey Reurns a key to refer to the ACPI table.\r | |
300 | \r | |
301 | @return EFI_SUCCESS The table was successfully inserted.\r | |
302 | @return EFI_INVALID_PARAMETER Either AcpiTableBuffer is NULL, TableKey is NULL, or AcpiTableBufferSize \r | |
303 | and the size field embedded in the ACPI table pointed to by AcpiTableBuffer\r | |
304 | are not in sync.\r | |
305 | @return EFI_OUT_OF_RESOURCES Insufficient resources exist to complete the request.\r | |
306 | \r | |
307 | **/\r | |
308 | EFI_STATUS\r | |
309 | EFIAPI\r | |
310 | InstallAcpiTable (\r | |
311 | IN CONST EFI_ACPI_TABLE_PROTOCOL *This,\r | |
312 | IN CONST VOID *AcpiTableBuffer,\r | |
313 | IN UINTN AcpiTableBufferSize,\r | |
314 | OUT UINTN *TableKey\r | |
315 | )\r | |
316 | {\r | |
317 | EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance;\r | |
318 | EFI_STATUS Status;\r | |
319 | VOID *AcpiTableBufferConst;\r | |
2fd3009f | 320 | UINT32 Length;\r |
321 | UINT8 Checksum;\r | |
5f55c700 | 322 | \r |
323 | //\r | |
324 | // Check for invalid input parameters\r | |
325 | //\r | |
326 | if ((AcpiTableBuffer == NULL) || (TableKey == NULL)\r | |
327 | || (((EFI_ACPI_DESCRIPTION_HEADER *) AcpiTableBuffer)->Length != AcpiTableBufferSize)) {\r | |
328 | return EFI_INVALID_PARAMETER;\r | |
329 | }\r | |
330 | \r | |
2fd3009f | 331 | Length = ((EFI_ACPI_COMMON_HEADER *) AcpiTableBuffer)->Length;\r |
332 | Checksum = CalculateCheckSum8 ((UINT8 *)AcpiTableBuffer, Length);\r | |
4196f91e JY |
333 | if (Checksum != 0) {\r |
334 | AcpiPlatformChecksum (\r | |
335 | (VOID *)AcpiTableBuffer,\r | |
336 | (UINTN)Length,\r | |
337 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER, Checksum)\r | |
338 | );\r | |
339 | }\r | |
2fd3009f | 340 | \r |
5f55c700 | 341 | //\r |
342 | // Get the instance of the ACPI table protocol\r | |
343 | //\r | |
344 | AcpiTableInstance = EFI_ACPI_TABLE_INSTANCE_FROM_THIS (This);\r | |
345 | \r | |
346 | //\r | |
347 | // Install the ACPI table\r | |
348 | //\r | |
349 | AcpiTableBufferConst = AllocateCopyPool (AcpiTableBufferSize,AcpiTableBuffer);\r | |
350 | *TableKey = 0;\r | |
351 | Status = SetAcpiTable (\r | |
352 | AcpiTableInstance,\r | |
353 | AcpiTableBufferConst,\r | |
0f8e582f | 354 | FALSE,\r |
46a989f7 | 355 | EFI_ACPI_TABLE_VERSION_1_0B | EFI_ACPI_TABLE_VERSION_2_0 | EFI_ACPI_TABLE_VERSION_3_0,\r |
5f55c700 | 356 | TableKey\r |
357 | );\r | |
358 | if (!EFI_ERROR (Status)) {\r | |
359 | Status = PublishTables (\r | |
360 | AcpiTableInstance,\r | |
46a989f7 | 361 | EFI_ACPI_TABLE_VERSION_1_0B | EFI_ACPI_TABLE_VERSION_2_0 | EFI_ACPI_TABLE_VERSION_3_0\r |
5f55c700 | 362 | );\r |
363 | }\r | |
364 | FreePool (AcpiTableBufferConst);\r | |
365 | \r | |
3dc8585e JY |
366 | //\r |
367 | // Add a new table successfully, notify registed callback\r | |
368 | //\r | |
369 | if (FeaturePcdGet (PcdInstallAcpiSdtProtocol)) {\r | |
370 | if (!EFI_ERROR (Status)) {\r | |
371 | SdtNotifyAcpiList (\r | |
372 | AcpiTableInstance,\r | |
373 | EFI_ACPI_TABLE_VERSION_1_0B | EFI_ACPI_TABLE_VERSION_2_0 | EFI_ACPI_TABLE_VERSION_3_0,\r | |
374 | *TableKey\r | |
375 | );\r | |
376 | }\r | |
377 | }\r | |
378 | \r | |
5f55c700 | 379 | return Status;\r |
380 | }\r | |
381 | \r | |
382 | \r | |
383 | /**\r | |
384 | Removes an ACPI table from the RSDT/XSDT.\r | |
385 | \r | |
386 | @param This Protocol instance pointer.\r | |
387 | @param TableKey Specifies the table to uninstall. The key was returned from InstallAcpiTable().\r | |
388 | \r | |
389 | @return EFI_SUCCESS The table was successfully uninstalled.\r | |
390 | @return EFI_NOT_FOUND TableKey does not refer to a valid key for a table entry.\r | |
391 | \r | |
392 | **/\r | |
393 | EFI_STATUS\r | |
394 | EFIAPI\r | |
395 | UninstallAcpiTable (\r | |
396 | IN CONST EFI_ACPI_TABLE_PROTOCOL *This,\r | |
397 | IN UINTN TableKey\r | |
398 | )\r | |
399 | {\r | |
400 | EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance;\r | |
401 | EFI_STATUS Status;\r | |
402 | \r | |
403 | //\r | |
404 | // Get the instance of the ACPI table protocol\r | |
405 | //\r | |
406 | AcpiTableInstance = EFI_ACPI_TABLE_INSTANCE_FROM_THIS (This);\r | |
407 | \r | |
408 | //\r | |
409 | // Uninstall the ACPI table\r | |
410 | //\r | |
411 | Status = SetAcpiTable (\r | |
412 | AcpiTableInstance,\r | |
413 | NULL,\r | |
414 | FALSE,\r | |
46a989f7 | 415 | EFI_ACPI_TABLE_VERSION_1_0B | EFI_ACPI_TABLE_VERSION_2_0 | EFI_ACPI_TABLE_VERSION_3_0,\r |
5f55c700 | 416 | &TableKey\r |
417 | );\r | |
418 | if (!EFI_ERROR (Status)) {\r | |
419 | Status = PublishTables (\r | |
420 | AcpiTableInstance,\r | |
46a989f7 | 421 | EFI_ACPI_TABLE_VERSION_1_0B | EFI_ACPI_TABLE_VERSION_2_0 | EFI_ACPI_TABLE_VERSION_3_0\r |
5f55c700 | 422 | );\r |
423 | }\r | |
424 | \r | |
425 | if (EFI_ERROR (Status)) {\r | |
426 | return EFI_NOT_FOUND;\r | |
427 | } else {\r | |
428 | return EFI_SUCCESS;\r | |
429 | }\r | |
430 | }\r | |
431 | \r | |
da935a5c | 432 | /**\r |
433 | If the number of APCI tables exceeds the preallocated max table number, enlarge the table buffer.\r | |
434 | \r | |
435 | @param AcpiTableInstance ACPI table protocol instance data structure.\r | |
436 | \r | |
437 | @return EFI_SUCCESS reallocate the table beffer successfully.\r | |
438 | @return EFI_OUT_OF_RESOURCES Unable to allocate required resources.\r | |
439 | \r | |
440 | **/\r | |
441 | EFI_STATUS\r | |
442 | ReallocateAcpiTableBuffer (\r | |
443 | IN EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance\r | |
444 | )\r | |
445 | {\r | |
446 | UINTN NewMaxTableNumber;\r | |
447 | UINTN TotalSize;\r | |
448 | UINT8 *Pointer;\r | |
449 | EFI_PHYSICAL_ADDRESS PageAddress;\r | |
450 | EFI_ACPI_TABLE_INSTANCE TempPrivateData;\r | |
451 | EFI_STATUS Status;\r | |
452 | UINT64 CurrentData;\r | |
453 | \r | |
454 | CopyMem (&TempPrivateData, AcpiTableInstance, sizeof (EFI_ACPI_TABLE_INSTANCE)); \r | |
455 | //\r | |
456 | // Enlarge the max table number from mEfiAcpiMaxNumTables to mEfiAcpiMaxNumTables + EFI_ACPI_MAX_NUM_TABLES\r | |
457 | //\r | |
458 | NewMaxTableNumber = mEfiAcpiMaxNumTables + EFI_ACPI_MAX_NUM_TABLES;\r | |
459 | //\r | |
460 | // Create RSDP, RSDT, XSDT structures and allocate all buffers\r | |
461 | //\r | |
462 | TotalSize = sizeof (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER) +\r | |
463 | sizeof (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER) +\r | |
464 | sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 1.0 RSDT\r | |
465 | NewMaxTableNumber * sizeof (UINT32) +\r | |
466 | sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 2.0/3.0 RSDT\r | |
467 | NewMaxTableNumber * sizeof (UINT32) +\r | |
468 | sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 2.0/3.0 XSDT\r | |
469 | NewMaxTableNumber * sizeof (UINT64);\r | |
470 | \r | |
471 | //\r | |
472 | // Allocate memory in the lower 32 bit of address range for\r | |
473 | // compatibility with ACPI 1.0 OS.\r | |
474 | //\r | |
475 | // This is done because ACPI 1.0 pointers are 32 bit values.\r | |
476 | // ACPI 2.0 OS and all 64 bit OS must use the 64 bit ACPI table addresses.\r | |
477 | // There is no architectural reason these should be below 4GB, it is purely\r | |
478 | // for convenience of implementation that we force memory below 4GB.\r | |
479 | //\r | |
480 | PageAddress = 0xFFFFFFFF;\r | |
481 | Status = gBS->AllocatePages (\r | |
482 | AllocateMaxAddress,\r | |
483 | EfiACPIReclaimMemory,\r | |
484 | EFI_SIZE_TO_PAGES (TotalSize),\r | |
485 | &PageAddress\r | |
486 | );\r | |
487 | \r | |
488 | if (EFI_ERROR (Status)) {\r | |
489 | return EFI_OUT_OF_RESOURCES;\r | |
490 | }\r | |
491 | \r | |
492 | Pointer = (UINT8 *) (UINTN) PageAddress;\r | |
493 | ZeroMem (Pointer, TotalSize);\r | |
494 | \r | |
495 | AcpiTableInstance->Rsdp1 = (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER *) Pointer;\r | |
496 | Pointer += sizeof (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER);\r | |
497 | AcpiTableInstance->Rsdp3 = (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER *) Pointer;\r | |
498 | Pointer += sizeof (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER);\r | |
499 | \r | |
500 | AcpiTableInstance->Rsdt1 = (EFI_ACPI_DESCRIPTION_HEADER *) Pointer;\r | |
501 | Pointer += (sizeof (EFI_ACPI_DESCRIPTION_HEADER) + NewMaxTableNumber * sizeof (UINT32));\r | |
502 | AcpiTableInstance->Rsdt3 = (EFI_ACPI_DESCRIPTION_HEADER *) Pointer;\r | |
503 | Pointer += (sizeof (EFI_ACPI_DESCRIPTION_HEADER) + NewMaxTableNumber * sizeof (UINT32));\r | |
504 | \r | |
505 | AcpiTableInstance->Xsdt = (EFI_ACPI_DESCRIPTION_HEADER *) Pointer;\r | |
5f55c700 | 506 | \r |
da935a5c | 507 | //\r |
508 | // Initialize RSDP\r | |
509 | //\r | |
510 | CopyMem (AcpiTableInstance->Rsdp1, TempPrivateData.Rsdp1, sizeof (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER)); \r | |
511 | AcpiTableInstance->Rsdp1->RsdtAddress = (UINT32) (UINTN) AcpiTableInstance->Rsdt1;\r | |
512 | \r | |
513 | CopyMem (AcpiTableInstance->Rsdp3, TempPrivateData.Rsdp3, sizeof (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER)); \r | |
514 | AcpiTableInstance->Rsdp3->RsdtAddress = (UINT32) (UINTN) AcpiTableInstance->Rsdt3;\r | |
515 | CurrentData = (UINT64) (UINTN) AcpiTableInstance->Xsdt;\r | |
516 | CopyMem (&AcpiTableInstance->Rsdp3->XsdtAddress, &CurrentData, sizeof (UINT64));\r | |
517 | \r | |
518 | //\r | |
519 | // copy the original Rsdt1, Rsdt3 and Xsdt structure to new buffer \r | |
520 | //\r | |
521 | CopyMem (AcpiTableInstance->Rsdt1, TempPrivateData.Rsdt1, (sizeof (EFI_ACPI_DESCRIPTION_HEADER) + mEfiAcpiMaxNumTables * sizeof (UINT32))); \r | |
522 | CopyMem (AcpiTableInstance->Rsdt3, TempPrivateData.Rsdt3, (sizeof (EFI_ACPI_DESCRIPTION_HEADER) + mEfiAcpiMaxNumTables * sizeof (UINT32))); \r | |
523 | CopyMem (AcpiTableInstance->Xsdt, TempPrivateData.Xsdt, (sizeof (EFI_ACPI_DESCRIPTION_HEADER) + mEfiAcpiMaxNumTables * sizeof (UINT64)));\r | |
524 | \r | |
525 | //\r | |
526 | // Calculate orignal ACPI table buffer size\r | |
527 | //\r | |
528 | TotalSize = sizeof (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER) +\r | |
529 | sizeof (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER) +\r | |
530 | sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 1.0 RSDT\r | |
531 | mEfiAcpiMaxNumTables * sizeof (UINT32) +\r | |
532 | sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 2.0/3.0 RSDT\r | |
533 | mEfiAcpiMaxNumTables * sizeof (UINT32) +\r | |
534 | sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 2.0/3.0 XSDT\r | |
535 | mEfiAcpiMaxNumTables * sizeof (UINT64);\r | |
2432c685 | 536 | gBS->FreePages ((EFI_PHYSICAL_ADDRESS)(UINTN)TempPrivateData.Rsdp1, EFI_SIZE_TO_PAGES (TotalSize));\r |
da935a5c | 537 | \r |
538 | //\r | |
539 | // Update the Max ACPI table number\r | |
540 | // \r | |
541 | mEfiAcpiMaxNumTables = NewMaxTableNumber;\r | |
542 | return EFI_SUCCESS;\r | |
543 | }\r | |
5f55c700 | 544 | /**\r |
545 | This function adds an ACPI table to the table list. It will detect FACS and\r | |
546 | allocate the correct type of memory and properly align the table.\r | |
547 | \r | |
548 | @param AcpiTableInstance Instance of the protocol.\r | |
549 | @param Table Table to add.\r | |
550 | @param Checksum Does the table require checksumming.\r | |
551 | @param Version The version of the list to add the table to.\r | |
552 | @param Handle Pointer for returning the handle.\r | |
553 | \r | |
554 | @return EFI_SUCCESS The function completed successfully.\r | |
555 | @return EFI_OUT_OF_RESOURCES Could not allocate a required resource.\r | |
556 | @return EFI_ABORTED The table is a duplicate of a table that is required\r | |
557 | to be unique.\r | |
558 | \r | |
559 | **/\r | |
560 | EFI_STATUS\r | |
561 | AddTableToList (\r | |
562 | IN EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance,\r | |
563 | IN VOID *Table,\r | |
564 | IN BOOLEAN Checksum,\r | |
565 | IN EFI_ACPI_TABLE_VERSION Version,\r | |
566 | OUT UINTN *Handle\r | |
567 | )\r | |
568 | {\r | |
569 | EFI_STATUS Status;\r | |
570 | EFI_ACPI_TABLE_LIST *CurrentTableList;\r | |
571 | UINT32 CurrentTableSignature;\r | |
572 | UINT32 CurrentTableSize;\r | |
573 | UINT32 *CurrentRsdtEntry;\r | |
574 | VOID *CurrentXsdtEntry;\r | |
575 | UINT64 Buffer64;\r | |
576 | BOOLEAN AddToRsdt;\r | |
577 | \r | |
578 | //\r | |
579 | // Check for invalid input parameters\r | |
580 | //\r | |
581 | ASSERT (AcpiTableInstance);\r | |
582 | ASSERT (Table);\r | |
583 | ASSERT (Handle);\r | |
584 | \r | |
585 | //\r | |
586 | // Init locals\r | |
587 | //\r | |
588 | AddToRsdt = TRUE;\r | |
589 | \r | |
590 | //\r | |
591 | // Create a new list entry\r | |
592 | //\r | |
593 | CurrentTableList = AllocatePool (sizeof (EFI_ACPI_TABLE_LIST));\r | |
594 | ASSERT (CurrentTableList);\r | |
595 | \r | |
596 | //\r | |
597 | // Determine table type and size\r | |
598 | //\r | |
599 | CurrentTableSignature = ((EFI_ACPI_COMMON_HEADER *) Table)->Signature;\r | |
600 | CurrentTableSize = ((EFI_ACPI_COMMON_HEADER *) Table)->Length;\r | |
601 | \r | |
602 | //\r | |
603 | // Allocate a buffer for the table. All tables are allocated in the lower 32 bits of address space\r | |
604 | // for backwards compatibility with ACPI 1.0 OS.\r | |
605 | //\r | |
606 | // This is done because ACPI 1.0 pointers are 32 bit values.\r | |
607 | // ACPI 2.0 OS and all 64 bit OS must use the 64 bit ACPI table addresses.\r | |
608 | // There is no architectural reason these should be below 4GB, it is purely\r | |
609 | // for convenience of implementation that we force memory below 4GB.\r | |
610 | //\r | |
611 | CurrentTableList->PageAddress = 0xFFFFFFFF;\r | |
612 | CurrentTableList->NumberOfPages = EFI_SIZE_TO_PAGES (CurrentTableSize);\r | |
613 | \r | |
614 | //\r | |
615 | // Allocation memory type depends on the type of the table\r | |
616 | //\r | |
36d58153 JY |
617 | if ((CurrentTableSignature == EFI_ACPI_2_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE) || \r |
618 | (CurrentTableSignature == EFI_ACPI_4_0_UEFI_ACPI_DATA_TABLE_SIGNATURE)) {\r | |
5f55c700 | 619 | //\r |
620 | // Allocate memory for the FACS. This structure must be aligned\r | |
621 | // on a 64 byte boundary and must be ACPI NVS memory.\r | |
622 | // Using AllocatePages should ensure that it is always aligned.\r | |
36d58153 JY |
623 | // Do not change signature for new ACPI version because they are same.\r |
624 | //\r | |
625 | // UEFI table also need to be in ACPI NVS memory, because some data field\r | |
626 | // could be updated by OS present agent. For example, BufferPtrAddress in\r | |
627 | // SMM communication ACPI table.\r | |
5f55c700 | 628 | //\r |
629 | ASSERT ((EFI_PAGE_SIZE % 64) == 0);\r | |
630 | Status = gBS->AllocatePages (\r | |
631 | AllocateMaxAddress,\r | |
632 | EfiACPIMemoryNVS,\r | |
633 | CurrentTableList->NumberOfPages,\r | |
634 | &CurrentTableList->PageAddress\r | |
635 | );\r | |
636 | } else {\r | |
637 | //\r | |
638 | // All other tables are ACPI reclaim memory, no alignment requirements.\r | |
639 | //\r | |
640 | Status = gBS->AllocatePages (\r | |
641 | AllocateMaxAddress,\r | |
642 | EfiACPIReclaimMemory,\r | |
643 | CurrentTableList->NumberOfPages,\r | |
644 | &CurrentTableList->PageAddress\r | |
645 | );\r | |
646 | }\r | |
647 | //\r | |
648 | // Check return value from memory alloc.\r | |
649 | //\r | |
650 | if (EFI_ERROR (Status)) {\r | |
651 | gBS->FreePool (CurrentTableList);\r | |
652 | return EFI_OUT_OF_RESOURCES;\r | |
653 | }\r | |
654 | //\r | |
655 | // Update the table pointer with the allocated memory start\r | |
656 | //\r | |
657 | CurrentTableList->Table = (EFI_ACPI_COMMON_HEADER *) (UINTN) CurrentTableList->PageAddress;\r | |
658 | \r | |
659 | //\r | |
660 | // Initialize the table contents\r | |
661 | //\r | |
662 | CurrentTableList->Signature = EFI_ACPI_TABLE_LIST_SIGNATURE;\r | |
663 | CopyMem (CurrentTableList->Table, Table, CurrentTableSize);\r | |
664 | CurrentTableList->Handle = AcpiTableInstance->CurrentHandle++;\r | |
665 | *Handle = CurrentTableList->Handle;\r | |
666 | CurrentTableList->Version = Version;\r | |
667 | \r | |
668 | //\r | |
669 | // Update internal pointers if this is a required table. If it is a required\r | |
670 | // table and a table of that type already exists, return an error.\r | |
671 | //\r | |
672 | // Calculate the checksum if the table is not FACS.\r | |
673 | //\r | |
674 | switch (CurrentTableSignature) {\r | |
675 | \r | |
676 | case EFI_ACPI_1_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE:\r | |
677 | //\r | |
678 | // We don't add the FADT in the standard way because some\r | |
679 | // OS expect the FADT to be early in the table list.\r | |
680 | // So we always add it as the first element in the list.\r | |
681 | //\r | |
682 | AddToRsdt = FALSE;\r | |
683 | \r | |
684 | //\r | |
685 | // Check that the table has not been previously added.\r | |
686 | //\r | |
687 | if (((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0 && AcpiTableInstance->Fadt1 != NULL) ||\r | |
688 | ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 && AcpiTableInstance->Fadt3 != NULL) ||\r | |
689 | ((Version & EFI_ACPI_TABLE_VERSION_3_0) != 0 && AcpiTableInstance->Fadt3 != NULL)\r | |
690 | ) {\r | |
691 | gBS->FreePages (CurrentTableList->PageAddress, CurrentTableList->NumberOfPages);\r | |
692 | gBS->FreePool (CurrentTableList);\r | |
693 | return EFI_ABORTED;\r | |
694 | }\r | |
695 | //\r | |
696 | // Add the table to the appropriate table version\r | |
697 | //\r | |
698 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
699 | //\r | |
700 | // Save a pointer to the table\r | |
701 | //\r | |
702 | AcpiTableInstance->Fadt1 = (EFI_ACPI_1_0_FIXED_ACPI_DESCRIPTION_TABLE *) CurrentTableList->Table;\r | |
703 | \r | |
704 | //\r | |
705 | // Update pointers in FADT. If tables don't exist this will put NULL pointers there.\r | |
706 | //\r | |
707 | AcpiTableInstance->Fadt1->FirmwareCtrl = (UINT32) (UINTN) AcpiTableInstance->Facs1;\r | |
708 | AcpiTableInstance->Fadt1->Dsdt = (UINT32) (UINTN) AcpiTableInstance->Dsdt1;\r | |
709 | \r | |
710 | //\r | |
711 | // RSDP OEM information is updated to match the FADT OEM information\r | |
712 | //\r | |
713 | CopyMem (\r | |
714 | &AcpiTableInstance->Rsdp1->OemId,\r | |
715 | &AcpiTableInstance->Fadt1->Header.OemId,\r | |
716 | 6\r | |
717 | );\r | |
718 | \r | |
719 | //\r | |
720 | // RSDT OEM information is updated to match the FADT OEM information.\r | |
721 | //\r | |
722 | CopyMem (\r | |
723 | &AcpiTableInstance->Rsdt1->OemId,\r | |
724 | &AcpiTableInstance->Fadt1->Header.OemId,\r | |
725 | 6\r | |
726 | );\r | |
727 | \r | |
728 | CopyMem (\r | |
729 | &AcpiTableInstance->Rsdt1->OemTableId,\r | |
730 | &AcpiTableInstance->Fadt1->Header.OemTableId,\r | |
731 | sizeof (UINT64)\r | |
732 | );\r | |
733 | AcpiTableInstance->Rsdt1->OemRevision = AcpiTableInstance->Fadt1->Header.OemRevision;\r | |
734 | }\r | |
735 | \r | |
736 | if ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 ||\r | |
737 | (Version & EFI_ACPI_TABLE_VERSION_3_0) != 0) {\r | |
738 | //\r | |
739 | // Save a pointer to the table\r | |
740 | //\r | |
741 | AcpiTableInstance->Fadt3 = (EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE *) CurrentTableList->Table;\r | |
742 | \r | |
743 | //\r | |
744 | // Update pointers in FADT. If tables don't exist this will put NULL pointers there.\r | |
745 | //\r | |
f0c855b2 | 746 | AcpiTableInstance->Fadt3->FirmwareCtrl = (UINT32) (UINTN) AcpiTableInstance->Facs3;\r |
747 | Buffer64 = (UINT64) (UINTN) AcpiTableInstance->Facs3;\r | |
748 | CopyMem (\r | |
749 | &AcpiTableInstance->Fadt3->XFirmwareCtrl,\r | |
750 | &Buffer64,\r | |
751 | sizeof (UINT64)\r | |
752 | );\r | |
753 | AcpiTableInstance->Fadt3->Dsdt = (UINT32) (UINTN) AcpiTableInstance->Dsdt3;\r | |
754 | Buffer64 = (UINT64) (UINTN) AcpiTableInstance->Dsdt3;\r | |
755 | CopyMem (\r | |
756 | &AcpiTableInstance->Fadt3->XDsdt,\r | |
757 | &Buffer64,\r | |
758 | sizeof (UINT64)\r | |
759 | );\r | |
5f55c700 | 760 | \r |
f0c855b2 | 761 | //\r |
762 | // RSDP OEM information is updated to match the FADT OEM information\r | |
763 | //\r | |
764 | CopyMem (\r | |
765 | &AcpiTableInstance->Rsdp3->OemId,\r | |
766 | &AcpiTableInstance->Fadt3->Header.OemId,\r | |
767 | 6\r | |
768 | );\r | |
769 | \r | |
770 | //\r | |
771 | // RSDT OEM information is updated to match FADT OEM information.\r | |
772 | //\r | |
773 | CopyMem (\r | |
774 | &AcpiTableInstance->Rsdt3->OemId,\r | |
775 | &AcpiTableInstance->Fadt3->Header.OemId,\r | |
776 | 6\r | |
777 | );\r | |
778 | CopyMem (\r | |
779 | &AcpiTableInstance->Rsdt3->OemTableId,\r | |
780 | &AcpiTableInstance->Fadt3->Header.OemTableId,\r | |
781 | sizeof (UINT64)\r | |
782 | );\r | |
783 | AcpiTableInstance->Rsdt3->OemRevision = AcpiTableInstance->Fadt3->Header.OemRevision;\r | |
784 | \r | |
785 | //\r | |
786 | // XSDT OEM information is updated to match FADT OEM information.\r | |
787 | //\r | |
788 | CopyMem (\r | |
789 | &AcpiTableInstance->Xsdt->OemId,\r | |
790 | &AcpiTableInstance->Fadt3->Header.OemId,\r | |
791 | 6\r | |
792 | );\r | |
793 | CopyMem (\r | |
794 | &AcpiTableInstance->Xsdt->OemTableId,\r | |
795 | &AcpiTableInstance->Fadt3->Header.OemTableId,\r | |
796 | sizeof (UINT64)\r | |
797 | );\r | |
798 | AcpiTableInstance->Xsdt->OemRevision = AcpiTableInstance->Fadt3->Header.OemRevision;\r | |
5f55c700 | 799 | } \r |
800 | //\r | |
801 | // Checksum the table\r | |
802 | //\r | |
803 | if (Checksum) {\r | |
804 | AcpiPlatformChecksum (\r | |
805 | CurrentTableList->Table,\r | |
806 | CurrentTableList->Table->Length,\r | |
807 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
808 | Checksum)\r | |
809 | );\r | |
810 | }\r | |
811 | break;\r | |
812 | \r | |
813 | case EFI_ACPI_1_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE:\r | |
814 | //\r | |
815 | // Check that the table has not been previously added.\r | |
816 | //\r | |
817 | if (((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0 && AcpiTableInstance->Facs1 != NULL) ||\r | |
818 | ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 && AcpiTableInstance->Facs3 != NULL) ||\r | |
819 | ((Version & EFI_ACPI_TABLE_VERSION_3_0) != 0 && AcpiTableInstance->Facs3 != NULL)\r | |
820 | ) {\r | |
821 | gBS->FreePages (CurrentTableList->PageAddress, CurrentTableList->NumberOfPages);\r | |
822 | gBS->FreePool (CurrentTableList);\r | |
823 | return EFI_ABORTED;\r | |
824 | }\r | |
825 | //\r | |
826 | // FACS is referenced by FADT and is not part of RSDT\r | |
827 | //\r | |
828 | AddToRsdt = FALSE;\r | |
829 | \r | |
830 | //\r | |
831 | // Add the table to the appropriate table version\r | |
832 | //\r | |
833 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
834 | //\r | |
835 | // Save a pointer to the table\r | |
836 | //\r | |
837 | AcpiTableInstance->Facs1 = (EFI_ACPI_1_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *) CurrentTableList->Table;\r | |
838 | \r | |
839 | //\r | |
840 | // If FADT already exists, update table pointers.\r | |
841 | //\r | |
842 | if (AcpiTableInstance->Fadt1 != NULL) {\r | |
843 | AcpiTableInstance->Fadt1->FirmwareCtrl = (UINT32) (UINTN) AcpiTableInstance->Facs1;\r | |
844 | \r | |
845 | //\r | |
846 | // Checksum FADT table\r | |
847 | //\r | |
848 | AcpiPlatformChecksum (\r | |
849 | AcpiTableInstance->Fadt1,\r | |
850 | AcpiTableInstance->Fadt1->Header.Length,\r | |
851 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
852 | Checksum)\r | |
853 | );\r | |
854 | }\r | |
855 | }\r | |
856 | \r | |
857 | if ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 ||\r | |
858 | (Version & EFI_ACPI_TABLE_VERSION_3_0) != 0) {\r | |
859 | //\r | |
860 | // Save a pointer to the table\r | |
861 | //\r | |
862 | AcpiTableInstance->Facs3 = (EFI_ACPI_3_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *) CurrentTableList->Table;\r | |
863 | \r | |
864 | //\r | |
865 | // If FADT already exists, update table pointers.\r | |
866 | //\r | |
867 | if (AcpiTableInstance->Fadt3 != NULL) {\r | |
868 | AcpiTableInstance->Fadt3->FirmwareCtrl = (UINT32) (UINTN) AcpiTableInstance->Facs3;\r | |
869 | Buffer64 = (UINT64) (UINTN) AcpiTableInstance->Facs3;\r | |
870 | CopyMem (\r | |
871 | &AcpiTableInstance->Fadt3->XFirmwareCtrl,\r | |
872 | &Buffer64,\r | |
873 | sizeof (UINT64)\r | |
874 | );\r | |
875 | \r | |
876 | //\r | |
877 | // Checksum FADT table\r | |
878 | //\r | |
879 | AcpiPlatformChecksum (\r | |
880 | AcpiTableInstance->Fadt3,\r | |
881 | AcpiTableInstance->Fadt3->Header.Length,\r | |
882 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
883 | Checksum)\r | |
884 | );\r | |
885 | }\r | |
886 | }\r | |
887 | \r | |
888 | break;\r | |
889 | \r | |
890 | case EFI_ACPI_1_0_DIFFERENTIATED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE:\r | |
891 | //\r | |
892 | // Check that the table has not been previously added.\r | |
893 | //\r | |
894 | if (((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0 && AcpiTableInstance->Dsdt1 != NULL) ||\r | |
895 | ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 && AcpiTableInstance->Dsdt3 != NULL) ||\r | |
896 | ((Version & EFI_ACPI_TABLE_VERSION_3_0) != 0 && AcpiTableInstance->Dsdt3 != NULL)\r | |
897 | ) {\r | |
898 | gBS->FreePages (CurrentTableList->PageAddress, CurrentTableList->NumberOfPages);\r | |
899 | gBS->FreePool (CurrentTableList);\r | |
900 | return EFI_ABORTED;\r | |
901 | }\r | |
902 | //\r | |
903 | // DSDT is referenced by FADT and is not part of RSDT\r | |
904 | //\r | |
905 | AddToRsdt = FALSE;\r | |
906 | \r | |
907 | //\r | |
908 | // Add the table to the appropriate table version\r | |
909 | //\r | |
910 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
911 | //\r | |
912 | // Save a pointer to the table\r | |
913 | //\r | |
914 | AcpiTableInstance->Dsdt1 = (EFI_ACPI_DESCRIPTION_HEADER *) CurrentTableList->Table;\r | |
915 | \r | |
916 | //\r | |
917 | // If FADT already exists, update table pointers.\r | |
918 | //\r | |
919 | if (AcpiTableInstance->Fadt1 != NULL) {\r | |
920 | AcpiTableInstance->Fadt1->Dsdt = (UINT32) (UINTN) AcpiTableInstance->Dsdt1;\r | |
921 | \r | |
922 | //\r | |
923 | // Checksum FADT table\r | |
924 | //\r | |
925 | AcpiPlatformChecksum (\r | |
926 | AcpiTableInstance->Fadt1,\r | |
927 | AcpiTableInstance->Fadt1->Header.Length,\r | |
928 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
929 | Checksum)\r | |
930 | );\r | |
931 | }\r | |
932 | }\r | |
933 | \r | |
934 | if ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 ||\r | |
935 | (Version & EFI_ACPI_TABLE_VERSION_3_0) != 0) {\r | |
936 | //\r | |
937 | // Save a pointer to the table\r | |
938 | //\r | |
939 | AcpiTableInstance->Dsdt3 = (EFI_ACPI_DESCRIPTION_HEADER *) CurrentTableList->Table;\r | |
940 | \r | |
941 | //\r | |
942 | // If FADT already exists, update table pointers.\r | |
943 | //\r | |
944 | if (AcpiTableInstance->Fadt3 != NULL) {\r | |
945 | AcpiTableInstance->Fadt3->Dsdt = (UINT32) (UINTN) AcpiTableInstance->Dsdt3;\r | |
946 | Buffer64 = (UINT64) (UINTN) AcpiTableInstance->Dsdt3;\r | |
947 | CopyMem (\r | |
948 | &AcpiTableInstance->Fadt3->XDsdt,\r | |
949 | &Buffer64,\r | |
950 | sizeof (UINT64)\r | |
951 | );\r | |
952 | \r | |
953 | //\r | |
954 | // Checksum FADT table\r | |
955 | //\r | |
956 | AcpiPlatformChecksum (\r | |
957 | AcpiTableInstance->Fadt3,\r | |
958 | AcpiTableInstance->Fadt3->Header.Length,\r | |
959 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
960 | Checksum)\r | |
961 | );\r | |
962 | }\r | |
963 | } \r | |
964 | //\r | |
965 | // Checksum the table\r | |
966 | //\r | |
967 | if (Checksum) {\r | |
968 | AcpiPlatformChecksum (\r | |
969 | CurrentTableList->Table,\r | |
970 | CurrentTableList->Table->Length,\r | |
971 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
972 | Checksum)\r | |
973 | );\r | |
974 | }\r | |
975 | break;\r | |
976 | \r | |
977 | default:\r | |
978 | //\r | |
979 | // Checksum the table\r | |
980 | //\r | |
981 | if (Checksum) {\r | |
982 | AcpiPlatformChecksum (\r | |
983 | CurrentTableList->Table,\r | |
984 | CurrentTableList->Table->Length,\r | |
985 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
986 | Checksum)\r | |
987 | );\r | |
988 | }\r | |
989 | break;\r | |
990 | }\r | |
991 | //\r | |
992 | // Add the table to the current list of tables\r | |
993 | //\r | |
994 | InsertTailList (&AcpiTableInstance->TableList, &CurrentTableList->Link);\r | |
995 | \r | |
996 | //\r | |
997 | // Add the table to RSDT and/or XSDT table entry lists.\r | |
998 | //\r | |
999 | //\r | |
1000 | // Add to ACPI 1.0b table tree\r | |
1001 | //\r | |
1002 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
5f55c700 | 1003 | if (AddToRsdt) {\r |
1004 | //\r | |
da935a5c | 1005 | // If the table number exceed the gEfiAcpiMaxNumTables, enlarge the table buffer\r |
5f55c700 | 1006 | //\r |
da935a5c | 1007 | if (AcpiTableInstance->NumberOfTableEntries1 >= mEfiAcpiMaxNumTables) {\r |
1008 | Status = ReallocateAcpiTableBuffer (AcpiTableInstance);\r | |
1009 | ASSERT_EFI_ERROR (Status);\r | |
1010 | }\r | |
5f55c700 | 1011 | CurrentRsdtEntry = (UINT32 *)\r |
1012 | (\r | |
da935a5c | 1013 | (UINT8 *) AcpiTableInstance->Rsdt1 +\r |
5f55c700 | 1014 | sizeof (EFI_ACPI_DESCRIPTION_HEADER) +\r |
da935a5c | 1015 | AcpiTableInstance->NumberOfTableEntries1 *\r |
5f55c700 | 1016 | sizeof (UINT32)\r |
1017 | );\r | |
1018 | \r | |
1019 | //\r | |
da935a5c | 1020 | // Add entry to the RSDT unless its the FACS or DSDT\r |
5f55c700 | 1021 | //\r |
1022 | *CurrentRsdtEntry = (UINT32) (UINTN) CurrentTableList->Table;\r | |
1023 | \r | |
1024 | //\r | |
1025 | // Update RSDT length\r | |
1026 | //\r | |
da935a5c | 1027 | AcpiTableInstance->Rsdt1->Length = AcpiTableInstance->Rsdt1->Length + sizeof (UINT32);\r |
5f55c700 | 1028 | \r |
da935a5c | 1029 | AcpiTableInstance->NumberOfTableEntries1++;\r |
1030 | }\r | |
1031 | }\r | |
1032 | //\r | |
1033 | // Add to ACPI 2.0/3.0 table tree\r | |
1034 | //\r | |
1035 | if ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 ||\r | |
1036 | (Version & EFI_ACPI_TABLE_VERSION_3_0) != 0) {\r | |
1037 | if (AddToRsdt) {\r | |
1038 | //\r | |
1039 | // If the table number exceed the gEfiAcpiMaxNumTables, enlarge the table buffer\r | |
1040 | //\r | |
1041 | if (AcpiTableInstance->NumberOfTableEntries3 >= mEfiAcpiMaxNumTables) {\r | |
1042 | Status = ReallocateAcpiTableBuffer (AcpiTableInstance);\r | |
1043 | ASSERT_EFI_ERROR (Status);\r | |
1044 | }\r | |
1045 | //\r | |
1046 | // At this time, it is assumed that RSDT and XSDT maintain parallel lists of tables.\r | |
1047 | // If it becomes necessary to maintain separate table lists, changes will be required.\r | |
1048 | //\r | |
1049 | CurrentRsdtEntry = (UINT32 *)\r | |
1050 | (\r | |
1051 | (UINT8 *) AcpiTableInstance->Rsdt3 +\r | |
1052 | sizeof (EFI_ACPI_DESCRIPTION_HEADER) +\r | |
1053 | AcpiTableInstance->NumberOfTableEntries3 *\r | |
1054 | sizeof (UINT32)\r | |
1055 | );\r | |
1056 | \r | |
1057 | //\r | |
1058 | // This pointer must not be directly dereferenced as the XSDT entries may not\r | |
1059 | // be 64 bit aligned resulting in a possible fault. Use CopyMem to update.\r | |
1060 | //\r | |
1061 | CurrentXsdtEntry = (VOID *)\r | |
1062 | (\r | |
1063 | (UINT8 *) AcpiTableInstance->Xsdt +\r | |
1064 | sizeof (EFI_ACPI_DESCRIPTION_HEADER) +\r | |
1065 | AcpiTableInstance->NumberOfTableEntries3 *\r | |
1066 | sizeof (UINT64)\r | |
1067 | );\r | |
1068 | \r | |
1069 | //\r | |
1070 | // Add entry to the RSDT\r | |
1071 | //\r | |
1072 | *CurrentRsdtEntry = (UINT32) (UINTN) CurrentTableList->Table;\r | |
1073 | \r | |
1074 | //\r | |
1075 | // Update RSDT length\r | |
1076 | //\r | |
1077 | AcpiTableInstance->Rsdt3->Length = AcpiTableInstance->Rsdt3->Length + sizeof (UINT32);\r | |
1078 | \r | |
1079 | //\r | |
1080 | // Add entry to XSDT, XSDT expects 64 bit pointers, but\r | |
1081 | // the table pointers in XSDT are not aligned on 8 byte boundary.\r | |
1082 | //\r | |
1083 | Buffer64 = (UINT64) (UINTN) CurrentTableList->Table;\r | |
1084 | CopyMem (\r | |
1085 | CurrentXsdtEntry,\r | |
1086 | &Buffer64,\r | |
1087 | sizeof (UINT64)\r | |
1088 | );\r | |
1089 | \r | |
1090 | //\r | |
1091 | // Update length\r | |
1092 | //\r | |
1093 | AcpiTableInstance->Xsdt->Length = AcpiTableInstance->Xsdt->Length + sizeof (UINT64);\r | |
1094 | \r | |
1095 | AcpiTableInstance->NumberOfTableEntries3++;\r | |
5f55c700 | 1096 | }\r |
5f55c700 | 1097 | }\r |
1098 | \r | |
1099 | ChecksumCommonTables (AcpiTableInstance);\r | |
1100 | return EFI_SUCCESS;\r | |
1101 | }\r | |
1102 | \r | |
1103 | \r | |
1104 | /**\r | |
1105 | This function finds the table specified by the handle and returns a pointer to it.\r | |
1106 | If the handle is not found, EFI_NOT_FOUND is returned and the contents of Table are\r | |
1107 | undefined.\r | |
1108 | \r | |
1109 | @param Handle Table to find.\r | |
1110 | @param TableList Table list to search\r | |
1111 | @param Table Pointer to table found. \r | |
1112 | \r | |
1113 | @return EFI_SUCCESS The function completed successfully.\r | |
1114 | @return EFI_NOT_FOUND No table found matching the handle specified.\r | |
1115 | \r | |
1116 | **/\r | |
1117 | EFI_STATUS\r | |
1118 | FindTableByHandle (\r | |
1119 | IN UINTN Handle,\r | |
1120 | IN LIST_ENTRY *TableList,\r | |
1121 | OUT EFI_ACPI_TABLE_LIST **Table\r | |
1122 | )\r | |
1123 | {\r | |
1124 | LIST_ENTRY *CurrentLink;\r | |
1125 | EFI_ACPI_TABLE_LIST *CurrentTable;\r | |
1126 | \r | |
1127 | //\r | |
1128 | // Check for invalid input parameters\r | |
1129 | //\r | |
1130 | ASSERT (Table);\r | |
1131 | \r | |
1132 | //\r | |
1133 | // Find the table\r | |
1134 | //\r | |
1135 | CurrentLink = TableList->ForwardLink;\r | |
1136 | \r | |
1137 | while (CurrentLink != TableList) {\r | |
1138 | CurrentTable = EFI_ACPI_TABLE_LIST_FROM_LINK (CurrentLink);\r | |
1139 | if (CurrentTable->Handle == Handle) {\r | |
1140 | //\r | |
1141 | // Found handle, so return this table.\r | |
1142 | //\r | |
1143 | *Table = CurrentTable;\r | |
1144 | return EFI_SUCCESS;\r | |
1145 | }\r | |
1146 | \r | |
1147 | CurrentLink = CurrentLink->ForwardLink;\r | |
1148 | }\r | |
1149 | //\r | |
1150 | // Table not found\r | |
1151 | //\r | |
1152 | return EFI_NOT_FOUND;\r | |
1153 | }\r | |
1154 | \r | |
1155 | \r | |
1156 | /**\r | |
1157 | This function removes a basic table from the RSDT and/or XSDT.\r | |
1158 | For Acpi 1.0 tables, pass in the Rsdt.\r | |
1159 | For Acpi 2.0 tables, pass in both Rsdt and Xsdt.\r | |
1160 | \r | |
1161 | @param Table Pointer to table found. \r | |
1162 | @param NumberOfTableEntries Current number of table entries in the RSDT/XSDT\r | |
1163 | @param Rsdt Pointer to the RSDT to remove from\r | |
1164 | @param Xsdt Pointer to the Xsdt to remove from\r | |
1165 | \r | |
1166 | @return EFI_SUCCESS The function completed successfully.\r | |
1167 | @return EFI_INVALID_PARAMETER The table was not found in both Rsdt and Xsdt.\r | |
1168 | \r | |
1169 | **/\r | |
1170 | EFI_STATUS\r | |
1171 | RemoveTableFromRsdt (\r | |
1172 | IN OUT EFI_ACPI_TABLE_LIST * Table,\r | |
1173 | IN OUT UINTN *NumberOfTableEntries,\r | |
1174 | IN OUT EFI_ACPI_DESCRIPTION_HEADER * Rsdt,\r | |
1175 | IN OUT EFI_ACPI_DESCRIPTION_HEADER * Xsdt OPTIONAL\r | |
1176 | )\r | |
1177 | {\r | |
1178 | UINT32 *CurrentRsdtEntry;\r | |
1179 | VOID *CurrentXsdtEntry;\r | |
1180 | UINT64 CurrentTablePointer64;\r | |
1181 | UINTN Index;\r | |
1182 | \r | |
1183 | //\r | |
1184 | // Check for invalid input parameters\r | |
1185 | //\r | |
1186 | ASSERT (Table);\r | |
1187 | ASSERT (NumberOfTableEntries);\r | |
1188 | ASSERT (Rsdt);\r | |
1189 | \r | |
1190 | //\r | |
1191 | // Find the table entry in the RSDT and XSDT\r | |
1192 | //\r | |
1193 | for (Index = 0; Index < *NumberOfTableEntries; Index++) {\r | |
1194 | //\r | |
1195 | // At this time, it is assumed that RSDT and XSDT maintain parallel lists of tables.\r | |
1196 | // If it becomes necessary to maintain separate table lists, changes will be required.\r | |
1197 | //\r | |
1198 | CurrentRsdtEntry = (UINT32 *) ((UINT8 *) Rsdt + sizeof (EFI_ACPI_DESCRIPTION_HEADER) + Index * sizeof (UINT32));\r | |
1199 | if (Xsdt != NULL) {\r | |
1200 | //\r | |
1201 | // This pointer must not be directly dereferenced as the XSDT entries may not\r | |
1202 | // be 64 bit aligned resulting in a possible fault. Use CopyMem to update.\r | |
1203 | //\r | |
1204 | CurrentXsdtEntry = (VOID *) ((UINT8 *) Xsdt + sizeof (EFI_ACPI_DESCRIPTION_HEADER) + Index * sizeof (UINT64));\r | |
1205 | \r | |
1206 | //\r | |
1207 | // Read the entry value out of the XSDT\r | |
1208 | //\r | |
1209 | CopyMem (&CurrentTablePointer64, CurrentXsdtEntry, sizeof (UINT64));\r | |
1210 | } else {\r | |
1211 | //\r | |
1212 | // Initialize to NULL\r | |
1213 | //\r | |
1214 | CurrentXsdtEntry = 0;\r | |
1215 | CurrentTablePointer64 = 0;\r | |
1216 | }\r | |
1217 | //\r | |
1218 | // Check if we have found the corresponding entry in both RSDT and XSDT\r | |
1219 | //\r | |
1220 | if (*CurrentRsdtEntry == (UINT32) (UINTN) Table->Table &&\r | |
1221 | ((Xsdt == NULL) || CurrentTablePointer64 == (UINT64) (UINTN) Table->Table)\r | |
1222 | ) {\r | |
1223 | //\r | |
1224 | // Found entry, so copy all following entries and shrink table\r | |
1225 | // We actually copy all + 1 to copy the initialized value of memory over\r | |
1226 | // the last entry.\r | |
1227 | //\r | |
1228 | CopyMem (CurrentRsdtEntry, CurrentRsdtEntry + 1, (*NumberOfTableEntries - Index) * sizeof (UINT32));\r | |
1229 | Rsdt->Length = Rsdt->Length - sizeof (UINT32);\r | |
1230 | if (Xsdt != NULL) {\r | |
1231 | CopyMem (CurrentXsdtEntry, ((UINT64 *) CurrentXsdtEntry) + 1, (*NumberOfTableEntries - Index) * sizeof (UINT64));\r | |
1232 | Xsdt->Length = Xsdt->Length - sizeof (UINT64);\r | |
1233 | }\r | |
1234 | break;\r | |
1235 | } else if (Index + 1 == *NumberOfTableEntries) {\r | |
1236 | //\r | |
1237 | // At the last entry, and table not found\r | |
1238 | //\r | |
1239 | return EFI_INVALID_PARAMETER;\r | |
1240 | }\r | |
1241 | }\r | |
1242 | //\r | |
1243 | // Checksum the tables\r | |
1244 | //\r | |
1245 | AcpiPlatformChecksum (\r | |
1246 | Rsdt,\r | |
1247 | Rsdt->Length,\r | |
1248 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
1249 | Checksum)\r | |
1250 | );\r | |
1251 | \r | |
1252 | if (Xsdt != NULL) {\r | |
1253 | AcpiPlatformChecksum (\r | |
1254 | Xsdt,\r | |
1255 | Xsdt->Length,\r | |
1256 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
1257 | Checksum)\r | |
1258 | );\r | |
1259 | }\r | |
1260 | //\r | |
1261 | // Decrement the number of tables\r | |
1262 | //\r | |
1263 | (*NumberOfTableEntries)--;\r | |
1264 | \r | |
1265 | return EFI_SUCCESS;\r | |
1266 | }\r | |
1267 | \r | |
1268 | \r | |
1269 | /**\r | |
1270 | This function removes a table and frees any associated memory.\r | |
1271 | \r | |
1272 | @param AcpiTableInstance Instance of the protocol.\r | |
1273 | @param Version Version(s) to delete.\r | |
1274 | @param Table Pointer to table found.\r | |
1275 | \r | |
1276 | @return EFI_SUCCESS The function completed successfully.\r | |
1277 | \r | |
1278 | **/\r | |
1279 | EFI_STATUS\r | |
1280 | DeleteTable (\r | |
1281 | IN EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance,\r | |
1282 | IN EFI_ACPI_TABLE_VERSION Version,\r | |
1283 | IN OUT EFI_ACPI_TABLE_LIST *Table\r | |
1284 | )\r | |
1285 | {\r | |
1286 | UINT32 CurrentTableSignature;\r | |
1287 | BOOLEAN RemoveFromRsdt;\r | |
1288 | \r | |
1289 | //\r | |
1290 | // Check for invalid input parameters\r | |
1291 | //\r | |
1292 | ASSERT (AcpiTableInstance);\r | |
1293 | ASSERT (Table);\r | |
1294 | \r | |
1295 | //\r | |
1296 | // Init locals\r | |
1297 | //\r | |
1298 | RemoveFromRsdt = TRUE;\r | |
6198c346 | 1299 | //\r |
1300 | // Check for Table->Table\r | |
1301 | //\r | |
1302 | ASSERT (Table->Table != NULL);\r | |
5f55c700 | 1303 | CurrentTableSignature = ((EFI_ACPI_COMMON_HEADER *) Table->Table)->Signature;\r |
1304 | \r | |
1305 | //\r | |
1306 | // Basic tasks to accomplish delete are:\r | |
1307 | // Determine removal requirements (in RSDT/XSDT or not)\r | |
1308 | // Remove entry from RSDT/XSDT\r | |
1309 | // Remove any table references to the table\r | |
1310 | // If no one is using the table\r | |
1311 | // Free the table (removing pointers from private data and tables)\r | |
1312 | // Remove from list\r | |
1313 | // Free list structure\r | |
1314 | //\r | |
1315 | //\r | |
1316 | // Determine if this table is in the RSDT or XSDT\r | |
1317 | //\r | |
1318 | if ((CurrentTableSignature == EFI_ACPI_1_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE) ||\r | |
1319 | (CurrentTableSignature == EFI_ACPI_2_0_DIFFERENTIATED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE) ||\r | |
1320 | (CurrentTableSignature == EFI_ACPI_3_0_DIFFERENTIATED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE)\r | |
1321 | ) {\r | |
1322 | RemoveFromRsdt = FALSE;\r | |
1323 | }\r | |
1324 | //\r | |
1325 | // We don't remove the FADT in the standard way because some\r | |
1326 | // OS expect the FADT to be early in the table list.\r | |
1327 | // So we always put it as the first element in the list.\r | |
1328 | //\r | |
1329 | if (CurrentTableSignature == EFI_ACPI_1_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE) {\r | |
1330 | RemoveFromRsdt = FALSE;\r | |
1331 | }\r | |
1332 | \r | |
1333 | //\r | |
1334 | // Remove the table from RSDT and XSDT\r | |
1335 | //\r | |
1336 | if (Table->Table != NULL) {\r | |
1337 | //\r | |
1338 | // This is a basic table, remove it from any lists and the Rsdt and/or Xsdt\r | |
1339 | //\r | |
1340 | if (Version & EFI_ACPI_TABLE_VERSION_NONE & Table->Version) {\r | |
1341 | //\r | |
1342 | // Remove this version from the table\r | |
1343 | //\r | |
1344 | Table->Version = Table->Version &~EFI_ACPI_TABLE_VERSION_NONE;\r | |
1345 | }\r | |
1346 | \r | |
1347 | if (Version & EFI_ACPI_TABLE_VERSION_1_0B & Table->Version) {\r | |
1348 | //\r | |
1349 | // Remove this version from the table\r | |
1350 | //\r | |
1351 | Table->Version = Table->Version &~EFI_ACPI_TABLE_VERSION_1_0B;\r | |
1352 | \r | |
1353 | //\r | |
1354 | // Remove from Rsdt. We don't care about the return value because it is\r | |
1355 | // acceptable for the table to not exist in Rsdt.\r | |
1356 | // We didn't add some tables so we don't remove them.\r | |
1357 | //\r | |
1358 | if (RemoveFromRsdt) {\r | |
1359 | RemoveTableFromRsdt (\r | |
1360 | Table,\r | |
1361 | &AcpiTableInstance->NumberOfTableEntries1,\r | |
1362 | AcpiTableInstance->Rsdt1,\r | |
1363 | NULL\r | |
1364 | );\r | |
1365 | }\r | |
1366 | }\r | |
1367 | \r | |
1368 | if ((Version & EFI_ACPI_TABLE_VERSION_2_0 & Table->Version) ||\r | |
1369 | (Version & EFI_ACPI_TABLE_VERSION_3_0 & Table->Version)) {\r | |
1370 | //\r | |
1371 | // Remove this version from the table\r | |
1372 | //\r | |
1373 | if (Version & EFI_ACPI_TABLE_VERSION_2_0 & Table->Version) {\r | |
1374 | Table->Version = Table->Version &~EFI_ACPI_TABLE_VERSION_2_0;\r | |
1375 | } \r | |
1376 | if (Version & EFI_ACPI_TABLE_VERSION_3_0 & Table->Version) {\r | |
1377 | Table->Version = Table->Version &~EFI_ACPI_TABLE_VERSION_3_0;\r | |
1378 | }\r | |
1379 | \r | |
1380 | //\r | |
1381 | // Remove from Rsdt and Xsdt. We don't care about the return value\r | |
1382 | // because it is acceptable for the table to not exist in Rsdt/Xsdt.\r | |
1383 | // We didn't add some tables so we don't remove them.\r | |
1384 | //\r | |
1385 | if (RemoveFromRsdt) {\r | |
1386 | RemoveTableFromRsdt (\r | |
1387 | Table,\r | |
1388 | &AcpiTableInstance->NumberOfTableEntries3,\r | |
1389 | AcpiTableInstance->Rsdt3,\r | |
1390 | AcpiTableInstance->Xsdt\r | |
1391 | );\r | |
1392 | }\r | |
1393 | } \r | |
1394 | //\r | |
1395 | // Free the table, clean up any dependent tables and our private data pointers.\r | |
1396 | //\r | |
1397 | switch (Table->Table->Signature) {\r | |
1398 | \r | |
1399 | case EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE:\r | |
1400 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
1401 | AcpiTableInstance->Fadt1 = NULL;\r | |
1402 | }\r | |
1403 | \r | |
1404 | if ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 ||\r | |
1405 | (Version & EFI_ACPI_TABLE_VERSION_3_0) != 0) {\r | |
1406 | AcpiTableInstance->Fadt3 = NULL;\r | |
1407 | }\r | |
1408 | break;\r | |
1409 | \r | |
1410 | case EFI_ACPI_3_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE:\r | |
1411 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
1412 | AcpiTableInstance->Facs1 = NULL;\r | |
1413 | \r | |
1414 | //\r | |
1415 | // Update FADT table pointers\r | |
1416 | //\r | |
1417 | if (AcpiTableInstance->Fadt1 != NULL) {\r | |
1418 | AcpiTableInstance->Fadt1->FirmwareCtrl = 0;\r | |
1419 | \r | |
1420 | //\r | |
1421 | // Checksum table\r | |
1422 | //\r | |
1423 | AcpiPlatformChecksum (\r | |
1424 | AcpiTableInstance->Fadt1,\r | |
1425 | AcpiTableInstance->Fadt1->Header.Length,\r | |
1426 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
1427 | Checksum)\r | |
1428 | );\r | |
1429 | }\r | |
1430 | }\r | |
1431 | \r | |
1432 | if ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 ||\r | |
1433 | (Version & EFI_ACPI_TABLE_VERSION_3_0) != 0) {\r | |
1434 | AcpiTableInstance->Facs3 = NULL;\r | |
1435 | \r | |
1436 | //\r | |
1437 | // Update FADT table pointers\r | |
1438 | //\r | |
1439 | if (AcpiTableInstance->Fadt3 != NULL) {\r | |
1440 | AcpiTableInstance->Fadt3->FirmwareCtrl = 0;\r | |
1441 | ZeroMem (&AcpiTableInstance->Fadt3->XFirmwareCtrl, sizeof (UINT64));\r | |
1442 | \r | |
1443 | //\r | |
1444 | // Checksum table\r | |
1445 | //\r | |
1446 | AcpiPlatformChecksum (\r | |
1447 | AcpiTableInstance->Fadt3,\r | |
1448 | AcpiTableInstance->Fadt3->Header.Length,\r | |
1449 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
1450 | Checksum)\r | |
1451 | );\r | |
1452 | }\r | |
1453 | } \r | |
1454 | break;\r | |
1455 | \r | |
1456 | case EFI_ACPI_3_0_DIFFERENTIATED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE:\r | |
1457 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
1458 | AcpiTableInstance->Dsdt1 = NULL;\r | |
1459 | \r | |
1460 | //\r | |
1461 | // Update FADT table pointers\r | |
1462 | //\r | |
1463 | if (AcpiTableInstance->Fadt1 != NULL) {\r | |
1464 | AcpiTableInstance->Fadt1->Dsdt = 0;\r | |
1465 | \r | |
1466 | //\r | |
1467 | // Checksum table\r | |
1468 | //\r | |
1469 | AcpiPlatformChecksum (\r | |
1470 | AcpiTableInstance->Fadt1,\r | |
1471 | AcpiTableInstance->Fadt1->Header.Length,\r | |
1472 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
1473 | Checksum)\r | |
1474 | );\r | |
1475 | }\r | |
1476 | }\r | |
1477 | \r | |
1478 | \r | |
1479 | if ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 ||\r | |
1480 | (Version & EFI_ACPI_TABLE_VERSION_3_0) != 0) {\r | |
1481 | AcpiTableInstance->Dsdt3 = NULL;\r | |
1482 | \r | |
1483 | //\r | |
1484 | // Update FADT table pointers\r | |
1485 | //\r | |
1486 | if (AcpiTableInstance->Fadt3 != NULL) {\r | |
1487 | AcpiTableInstance->Fadt3->Dsdt = 0;\r | |
1488 | ZeroMem (&AcpiTableInstance->Fadt3->XDsdt, sizeof (UINT64));\r | |
1489 | \r | |
1490 | //\r | |
1491 | // Checksum table\r | |
1492 | //\r | |
1493 | AcpiPlatformChecksum (\r | |
1494 | AcpiTableInstance->Fadt3,\r | |
1495 | AcpiTableInstance->Fadt3->Header.Length,\r | |
1496 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
1497 | Checksum)\r | |
1498 | );\r | |
1499 | }\r | |
1500 | }\r | |
1501 | break;\r | |
1502 | \r | |
1503 | default:\r | |
1504 | //\r | |
1505 | // Do nothing\r | |
1506 | //\r | |
1507 | break;\r | |
1508 | }\r | |
1509 | }\r | |
1510 | //\r | |
1511 | // If no version is using this table anymore, remove and free list entry.\r | |
1512 | //\r | |
1513 | if (Table->Version == 0) {\r | |
1514 | //\r | |
1515 | // Free the Table\r | |
1516 | //\r | |
1517 | gBS->FreePages (Table->PageAddress, Table->NumberOfPages);\r | |
1518 | RemoveEntryList (&(Table->Link));\r | |
1519 | gBS->FreePool (Table);\r | |
1520 | }\r | |
1521 | //\r | |
1522 | // Done\r | |
1523 | //\r | |
1524 | return EFI_SUCCESS;\r | |
1525 | }\r | |
1526 | \r | |
1527 | \r | |
1528 | /**\r | |
1529 | This function finds and removes the table specified by the handle.\r | |
1530 | \r | |
1531 | @param AcpiTableInstance Instance of the protocol.\r | |
1532 | @param Version Bitmask of which versions to remove.\r | |
1533 | @param Handle Table to remove.\r | |
1534 | \r | |
1535 | @return EFI_SUCCESS The function completed successfully.\r | |
1536 | @return EFI_ABORTED An error occurred.\r | |
1537 | @return EFI_NOT_FOUND Handle not found in table list.\r | |
1538 | \r | |
1539 | **/\r | |
1540 | EFI_STATUS\r | |
1541 | RemoveTableFromList (\r | |
1542 | IN EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance,\r | |
1543 | IN EFI_ACPI_TABLE_VERSION Version,\r | |
1544 | IN UINTN Handle\r | |
1545 | )\r | |
1546 | {\r | |
1547 | EFI_ACPI_TABLE_LIST *Table;\r | |
1548 | EFI_STATUS Status;\r | |
1549 | \r | |
b474ed49 | 1550 | Table = (EFI_ACPI_TABLE_LIST*) NULL;\r |
1551 | \r | |
5f55c700 | 1552 | //\r |
1553 | // Check for invalid input parameters\r | |
1554 | //\r | |
1555 | ASSERT (AcpiTableInstance);\r | |
1556 | \r | |
1557 | //\r | |
1558 | // Find the table\r | |
1559 | //\r | |
1560 | Status = FindTableByHandle (\r | |
1561 | Handle,\r | |
1562 | &AcpiTableInstance->TableList,\r | |
1563 | &Table\r | |
1564 | );\r | |
1565 | if (EFI_ERROR (Status)) {\r | |
1566 | return EFI_NOT_FOUND;\r | |
1567 | }\r | |
1568 | //\r | |
1569 | // Remove the table\r | |
1570 | //\r | |
1571 | Status = DeleteTable (AcpiTableInstance, Version, Table);\r | |
1572 | if (EFI_ERROR (Status)) {\r | |
1573 | return EFI_ABORTED;\r | |
1574 | }\r | |
1575 | //\r | |
1576 | // Completed successfully\r | |
1577 | //\r | |
1578 | return EFI_SUCCESS;\r | |
1579 | }\r | |
1580 | \r | |
1581 | \r | |
1582 | /**\r | |
1583 | This function calculates and updates an UINT8 checksum.\r | |
1584 | \r | |
1585 | @param Buffer Pointer to buffer to checksum\r | |
1586 | @param Size Number of bytes to checksum\r | |
1587 | @param ChecksumOffset Offset to place the checksum result in\r | |
1588 | \r | |
1589 | @return EFI_SUCCESS The function completed successfully.\r | |
1590 | \r | |
1591 | **/\r | |
1592 | EFI_STATUS\r | |
1593 | AcpiPlatformChecksum (\r | |
1594 | IN VOID *Buffer,\r | |
1595 | IN UINTN Size,\r | |
1596 | IN UINTN ChecksumOffset\r | |
1597 | )\r | |
1598 | {\r | |
1599 | UINT8 Sum;\r | |
1600 | UINT8 *Ptr;\r | |
1601 | \r | |
1602 | Sum = 0;\r | |
1603 | //\r | |
1604 | // Initialize pointer\r | |
1605 | //\r | |
1606 | Ptr = Buffer;\r | |
1607 | \r | |
1608 | //\r | |
1609 | // set checksum to 0 first\r | |
1610 | //\r | |
1611 | Ptr[ChecksumOffset] = 0;\r | |
1612 | \r | |
1613 | //\r | |
1614 | // add all content of buffer\r | |
1615 | //\r | |
1616 | while ((Size--) != 0) {\r | |
1617 | Sum = (UINT8) (Sum + (*Ptr++));\r | |
1618 | }\r | |
1619 | //\r | |
1620 | // set checksum\r | |
1621 | //\r | |
1622 | Ptr = Buffer;\r | |
1623 | Ptr[ChecksumOffset] = (UINT8) (0xff - Sum + 1);\r | |
1624 | \r | |
1625 | return EFI_SUCCESS;\r | |
1626 | }\r | |
1627 | \r | |
1628 | \r | |
1629 | /**\r | |
1630 | Checksum all versions of the common tables, RSDP, RSDT, XSDT.\r | |
1631 | \r | |
1632 | @param AcpiTableInstance Protocol instance private data.\r | |
1633 | \r | |
1634 | @return EFI_SUCCESS The function completed successfully.\r | |
1635 | \r | |
1636 | **/\r | |
1637 | EFI_STATUS\r | |
1638 | ChecksumCommonTables (\r | |
1639 | IN OUT EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance\r | |
1640 | )\r | |
1641 | {\r | |
1642 | //\r | |
1643 | // RSDP ACPI 1.0 checksum for 1.0 table. This is only the first 20 bytes of the structure\r | |
1644 | //\r | |
1645 | AcpiPlatformChecksum (\r | |
1646 | AcpiTableInstance->Rsdp1,\r | |
1647 | sizeof (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER),\r | |
1648 | OFFSET_OF (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER,\r | |
1649 | Checksum)\r | |
1650 | );\r | |
1651 | \r | |
1652 | //\r | |
1653 | // RSDP ACPI 1.0 checksum for 2.0/3.0 table. This is only the first 20 bytes of the structure\r | |
1654 | //\r | |
1655 | AcpiPlatformChecksum (\r | |
1656 | AcpiTableInstance->Rsdp3,\r | |
1657 | sizeof (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER),\r | |
1658 | OFFSET_OF (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER,\r | |
1659 | Checksum)\r | |
1660 | );\r | |
1661 | \r | |
1662 | //\r | |
1663 | // RSDP ACPI 2.0/3.0 checksum, this is the entire table\r | |
1664 | //\r | |
1665 | AcpiPlatformChecksum (\r | |
1666 | AcpiTableInstance->Rsdp3,\r | |
1667 | sizeof (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER),\r | |
1668 | OFFSET_OF (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER,\r | |
1669 | ExtendedChecksum)\r | |
1670 | );\r | |
1671 | \r | |
1672 | //\r | |
1673 | // RSDT checksums\r | |
1674 | //\r | |
1675 | AcpiPlatformChecksum (\r | |
1676 | AcpiTableInstance->Rsdt1,\r | |
1677 | AcpiTableInstance->Rsdt1->Length,\r | |
1678 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
1679 | Checksum)\r | |
1680 | );\r | |
1681 | \r | |
1682 | AcpiPlatformChecksum (\r | |
1683 | AcpiTableInstance->Rsdt3,\r | |
1684 | AcpiTableInstance->Rsdt3->Length,\r | |
1685 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
1686 | Checksum)\r | |
1687 | );\r | |
1688 | \r | |
1689 | //\r | |
1690 | // XSDT checksum\r | |
1691 | //\r | |
1692 | AcpiPlatformChecksum (\r | |
1693 | AcpiTableInstance->Xsdt,\r | |
1694 | AcpiTableInstance->Xsdt->Length,\r | |
1695 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
1696 | Checksum)\r | |
1697 | );\r | |
1698 | \r | |
1699 | return EFI_SUCCESS;\r | |
1700 | }\r | |
1701 | \r | |
1702 | \r | |
1703 | /**\r | |
1704 | Constructor for the ACPI table protocol. Initializes instance\r | |
1705 | data.\r | |
1706 | \r | |
1707 | @param AcpiTableInstance Instance to construct\r | |
1708 | \r | |
1709 | @return EFI_SUCCESS Instance initialized.\r | |
1710 | @return EFI_OUT_OF_RESOURCES Unable to allocate required resources.\r | |
1711 | \r | |
1712 | **/\r | |
1713 | EFI_STATUS\r | |
1714 | AcpiTableAcpiTableConstructor (\r | |
1715 | EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance\r | |
1716 | )\r | |
1717 | {\r | |
1718 | EFI_STATUS Status;\r | |
1719 | UINT64 CurrentData;\r | |
1720 | UINTN TotalSize;\r | |
1721 | UINT8 *Pointer;\r | |
1722 | EFI_PHYSICAL_ADDRESS PageAddress;\r | |
1723 | \r | |
1724 | //\r | |
1725 | // Check for invalid input parameters\r | |
1726 | //\r | |
1727 | ASSERT (AcpiTableInstance);\r | |
1728 | \r | |
1729 | InitializeListHead (&AcpiTableInstance->TableList);\r | |
1730 | AcpiTableInstance->CurrentHandle = 1;\r | |
1731 | \r | |
1732 | AcpiTableInstance->AcpiTableProtocol.InstallAcpiTable = InstallAcpiTable;\r | |
1733 | AcpiTableInstance->AcpiTableProtocol.UninstallAcpiTable = UninstallAcpiTable;\r | |
3dc8585e JY |
1734 | \r |
1735 | if (FeaturePcdGet (PcdInstallAcpiSdtProtocol)) {\r | |
1736 | SdtAcpiTableAcpiSdtConstructor (AcpiTableInstance);\r | |
1737 | }\r | |
1738 | \r | |
5f55c700 | 1739 | //\r |
1740 | // Create RSDP, RSDT, XSDT structures\r | |
1741 | // Allocate all buffers\r | |
1742 | //\r | |
1743 | TotalSize = sizeof (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER) +\r | |
1744 | sizeof (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER) +\r | |
1745 | sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 1.0 RSDT\r | |
da935a5c | 1746 | mEfiAcpiMaxNumTables * sizeof (UINT32) +\r |
5f55c700 | 1747 | sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 2.0/3.0 RSDT\r |
da935a5c | 1748 | mEfiAcpiMaxNumTables * sizeof (UINT32) +\r |
5f55c700 | 1749 | sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 2.0/3.0 XSDT\r |
da935a5c | 1750 | mEfiAcpiMaxNumTables * sizeof (UINT64);\r |
5f55c700 | 1751 | \r |
1752 | //\r | |
1753 | // Allocate memory in the lower 32 bit of address range for\r | |
1754 | // compatibility with ACPI 1.0 OS.\r | |
1755 | //\r | |
1756 | // This is done because ACPI 1.0 pointers are 32 bit values.\r | |
1757 | // ACPI 2.0 OS and all 64 bit OS must use the 64 bit ACPI table addresses.\r | |
1758 | // There is no architectural reason these should be below 4GB, it is purely\r | |
1759 | // for convenience of implementation that we force memory below 4GB.\r | |
1760 | //\r | |
1761 | PageAddress = 0xFFFFFFFF;\r | |
1762 | Status = gBS->AllocatePages (\r | |
1763 | AllocateMaxAddress,\r | |
1764 | EfiACPIReclaimMemory,\r | |
1765 | EFI_SIZE_TO_PAGES (TotalSize),\r | |
1766 | &PageAddress\r | |
1767 | );\r | |
1768 | \r | |
1769 | if (EFI_ERROR (Status)) {\r | |
1770 | return EFI_OUT_OF_RESOURCES;\r | |
1771 | }\r | |
1772 | \r | |
1773 | Pointer = (UINT8 *) (UINTN) PageAddress;\r | |
1774 | ZeroMem (Pointer, TotalSize);\r | |
1775 | \r | |
1776 | AcpiTableInstance->Rsdp1 = (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER *) Pointer;\r | |
1777 | Pointer += sizeof (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER);\r | |
1778 | AcpiTableInstance->Rsdp3 = (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER *) Pointer;\r | |
1779 | Pointer += sizeof (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER);\r | |
1780 | \r | |
1781 | AcpiTableInstance->Rsdt1 = (EFI_ACPI_DESCRIPTION_HEADER *) Pointer;\r | |
1782 | Pointer += (sizeof (EFI_ACPI_DESCRIPTION_HEADER) + EFI_ACPI_MAX_NUM_TABLES * sizeof (UINT32));\r | |
1783 | AcpiTableInstance->Rsdt3 = (EFI_ACPI_DESCRIPTION_HEADER *) Pointer;\r | |
1784 | Pointer += (sizeof (EFI_ACPI_DESCRIPTION_HEADER) + EFI_ACPI_MAX_NUM_TABLES * sizeof (UINT32));\r | |
1785 | \r | |
1786 | AcpiTableInstance->Xsdt = (EFI_ACPI_DESCRIPTION_HEADER *) Pointer;\r | |
1787 | \r | |
1788 | //\r | |
1789 | // Initialize RSDP\r | |
1790 | //\r | |
1791 | CurrentData = EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER_SIGNATURE;\r | |
1792 | CopyMem (&AcpiTableInstance->Rsdp1->Signature, &CurrentData, sizeof (UINT64));\r | |
1793 | CopyMem (AcpiTableInstance->Rsdp1->OemId, EFI_ACPI_OEM_ID, 6);\r | |
1794 | AcpiTableInstance->Rsdp1->Reserved = EFI_ACPI_RESERVED_BYTE;\r | |
1795 | AcpiTableInstance->Rsdp1->RsdtAddress = (UINT32) (UINTN) AcpiTableInstance->Rsdt1;\r | |
1796 | \r | |
1797 | CurrentData = EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER_SIGNATURE;\r | |
1798 | CopyMem (&AcpiTableInstance->Rsdp3->Signature, &CurrentData, sizeof (UINT64));\r | |
1799 | CopyMem (AcpiTableInstance->Rsdp3->OemId, EFI_ACPI_OEM_ID, 6);\r | |
1800 | AcpiTableInstance->Rsdp3->Revision = EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER_REVISION;\r | |
1801 | AcpiTableInstance->Rsdp3->RsdtAddress = (UINT32) (UINTN) AcpiTableInstance->Rsdt3;\r | |
1802 | AcpiTableInstance->Rsdp3->Length = sizeof (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER);\r | |
1803 | CurrentData = (UINT64) (UINTN) AcpiTableInstance->Xsdt;\r | |
1804 | CopyMem (&AcpiTableInstance->Rsdp3->XsdtAddress, &CurrentData, sizeof (UINT64));\r | |
1805 | SetMem (AcpiTableInstance->Rsdp3->Reserved, 3, EFI_ACPI_RESERVED_BYTE);\r | |
1806 | \r | |
1807 | //\r | |
1808 | // Initialize Rsdt\r | |
1809 | //\r | |
1810 | // Note that we "reserve" one entry for the FADT so it can always be\r | |
1811 | // at the beginning of the list of tables. Some OS don't seem\r | |
1812 | // to find it correctly if it is too far down the list.\r | |
1813 | //\r | |
1814 | AcpiTableInstance->Rsdt1->Signature = EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_TABLE_SIGNATURE;\r | |
1815 | AcpiTableInstance->Rsdt1->Length = sizeof (EFI_ACPI_DESCRIPTION_HEADER);\r | |
1816 | AcpiTableInstance->Rsdt1->Revision = EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_TABLE_REVISION;\r | |
1817 | CopyMem (AcpiTableInstance->Rsdt1->OemId, EFI_ACPI_OEM_ID, 6);\r | |
1818 | CurrentData = EFI_ACPI_OEM_TABLE_ID;\r | |
1819 | CopyMem (&AcpiTableInstance->Rsdt1->OemTableId, &CurrentData, sizeof (UINT64));\r | |
1820 | AcpiTableInstance->Rsdt1->OemRevision = EFI_ACPI_OEM_REVISION;\r | |
1821 | AcpiTableInstance->Rsdt1->CreatorId = EFI_ACPI_CREATOR_ID;\r | |
1822 | AcpiTableInstance->Rsdt1->CreatorRevision = EFI_ACPI_CREATOR_REVISION;\r | |
1823 | //\r | |
1824 | // We always reserve first one for FADT\r | |
1825 | //\r | |
1826 | AcpiTableInstance->NumberOfTableEntries1 = 1;\r | |
1827 | AcpiTableInstance->Rsdt1->Length = AcpiTableInstance->Rsdt1->Length + sizeof(UINT32);\r | |
1828 | \r | |
1829 | AcpiTableInstance->Rsdt3->Signature = EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_TABLE_SIGNATURE;\r | |
1830 | AcpiTableInstance->Rsdt3->Length = sizeof (EFI_ACPI_DESCRIPTION_HEADER);\r | |
1831 | AcpiTableInstance->Rsdt3->Revision = EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_TABLE_REVISION;\r | |
1832 | CopyMem (AcpiTableInstance->Rsdt3->OemId, EFI_ACPI_OEM_ID, 6);\r | |
1833 | CurrentData = EFI_ACPI_OEM_TABLE_ID;\r | |
1834 | CopyMem (&AcpiTableInstance->Rsdt3->OemTableId, &CurrentData, sizeof (UINT64));\r | |
1835 | AcpiTableInstance->Rsdt3->OemRevision = EFI_ACPI_OEM_REVISION;\r | |
1836 | AcpiTableInstance->Rsdt3->CreatorId = EFI_ACPI_CREATOR_ID;\r | |
1837 | AcpiTableInstance->Rsdt3->CreatorRevision = EFI_ACPI_CREATOR_REVISION;\r | |
1838 | //\r | |
1839 | // We always reserve first one for FADT\r | |
1840 | //\r | |
1841 | AcpiTableInstance->NumberOfTableEntries3 = 1;\r | |
1842 | AcpiTableInstance->Rsdt3->Length = AcpiTableInstance->Rsdt3->Length + sizeof(UINT32);\r | |
1843 | \r | |
1844 | //\r | |
1845 | // Initialize Xsdt\r | |
1846 | //\r | |
1847 | AcpiTableInstance->Xsdt->Signature = EFI_ACPI_3_0_EXTENDED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE;\r | |
1848 | AcpiTableInstance->Xsdt->Length = sizeof (EFI_ACPI_DESCRIPTION_HEADER);\r | |
1849 | AcpiTableInstance->Xsdt->Revision = EFI_ACPI_3_0_EXTENDED_SYSTEM_DESCRIPTION_TABLE_REVISION;\r | |
1850 | CopyMem (AcpiTableInstance->Xsdt->OemId, EFI_ACPI_OEM_ID, 6);\r | |
1851 | CurrentData = EFI_ACPI_OEM_TABLE_ID;\r | |
1852 | CopyMem (&AcpiTableInstance->Xsdt->OemTableId, &CurrentData, sizeof (UINT64));\r | |
1853 | AcpiTableInstance->Xsdt->OemRevision = EFI_ACPI_OEM_REVISION;\r | |
1854 | AcpiTableInstance->Xsdt->CreatorId = EFI_ACPI_CREATOR_ID;\r | |
1855 | AcpiTableInstance->Xsdt->CreatorRevision = EFI_ACPI_CREATOR_REVISION;\r | |
1856 | //\r | |
1857 | // We always reserve first one for FADT\r | |
1858 | //\r | |
1859 | AcpiTableInstance->Xsdt->Length = AcpiTableInstance->Xsdt->Length + sizeof(UINT64);\r | |
1860 | \r | |
1861 | ChecksumCommonTables (AcpiTableInstance);\r | |
1862 | \r | |
1863 | //\r | |
1864 | // Completed successfully\r | |
1865 | //\r | |
1866 | return EFI_SUCCESS;\r | |
1867 | }\r | |
1868 | \r |