]>
Commit | Line | Data |
---|---|---|
5f55c700 | 1 | /** @file\r |
2 | ACPI Table Protocol Implementation\r | |
3 | \r | |
6198c346 | 4 | Copyright (c) 2006 - 2009, Intel Corporation<BR>\r |
5f55c700 | 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 | |
13 | **/\r | |
14 | \r | |
15 | //\r | |
16 | // Includes\r | |
17 | //\r | |
18 | #include "AcpiTable.h"\r | |
19 | \r | |
20 | \r | |
21 | /**\r | |
22 | This function adds an ACPI table to the table list. It will detect FACS and\r | |
23 | allocate the correct type of memory and properly align the table.\r | |
24 | \r | |
25 | @param AcpiTableInstance Instance of the protocol.\r | |
26 | @param Table Table to add.\r | |
27 | @param Checksum Does the table require checksumming.\r | |
28 | @param Version The version of the list to add the table to.\r | |
29 | @param Handle Pointer for returning the handle.\r | |
30 | \r | |
31 | @return EFI_SUCCESS The function completed successfully.\r | |
32 | @return EFI_OUT_OF_RESOURCES Could not allocate a required resource.\r | |
33 | @return EFI_ABORTED The table is a duplicate of a table that is required\r | |
34 | to be unique.\r | |
35 | \r | |
36 | **/\r | |
37 | EFI_STATUS\r | |
38 | AddTableToList (\r | |
39 | IN EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance,\r | |
40 | IN VOID *Table,\r | |
41 | IN BOOLEAN Checksum,\r | |
42 | IN EFI_ACPI_TABLE_VERSION Version,\r | |
43 | OUT UINTN *Handle\r | |
44 | );\r | |
45 | \r | |
46 | /**\r | |
47 | This function finds and removes the table specified by the handle.\r | |
48 | \r | |
49 | @param AcpiTableInstance Instance of the protocol.\r | |
50 | @param Version Bitmask of which versions to remove.\r | |
51 | @param Handle Table to remove.\r | |
52 | \r | |
53 | @return EFI_SUCCESS The function completed successfully.\r | |
54 | @return EFI_ABORTED An error occurred.\r | |
55 | @return EFI_NOT_FOUND Handle not found in table list.\r | |
56 | \r | |
57 | **/\r | |
58 | EFI_STATUS\r | |
59 | RemoveTableFromList (\r | |
60 | IN EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance,\r | |
61 | IN EFI_ACPI_TABLE_VERSION Version,\r | |
62 | IN UINTN Handle\r | |
63 | );\r | |
64 | \r | |
65 | /**\r | |
66 | This function calculates and updates an UINT8 checksum.\r | |
67 | \r | |
68 | @param Buffer Pointer to buffer to checksum\r | |
69 | @param Size Number of bytes to checksum\r | |
70 | @param ChecksumOffset Offset to place the checksum result in\r | |
71 | \r | |
72 | @return EFI_SUCCESS The function completed successfully.\r | |
73 | \r | |
74 | **/\r | |
75 | EFI_STATUS\r | |
76 | AcpiPlatformChecksum (\r | |
77 | IN VOID *Buffer,\r | |
78 | IN UINTN Size,\r | |
79 | IN UINTN ChecksumOffset\r | |
80 | );\r | |
81 | \r | |
82 | /**\r | |
83 | Checksum all versions of the common tables, RSDP, RSDT, XSDT.\r | |
84 | \r | |
85 | @param AcpiTableInstance Protocol instance private data.\r | |
86 | \r | |
87 | @return EFI_SUCCESS The function completed successfully.\r | |
88 | \r | |
89 | **/\r | |
90 | EFI_STATUS\r | |
91 | ChecksumCommonTables (\r | |
92 | IN OUT EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance\r | |
93 | );\r | |
94 | \r | |
95 | //\r | |
96 | // Protocol function implementations.\r | |
97 | //\r | |
98 | \r | |
99 | /**\r | |
100 | This function adds, removes, or updates ACPI tables. If the address is not\r | |
101 | null and the handle value is null, the table is added. If both the address and \r | |
102 | handle are not null, the table at handle is updated with the table at address.\r | |
103 | If the address is null and the handle is not, the table at handle is deleted.\r | |
104 | \r | |
105 | @param AcpiTableInstance Instance of the protocol.\r | |
106 | @param Table Pointer to a table.\r | |
107 | @param Checksum Boolean indicating if the checksum should be calculated.\r | |
108 | @param Version Version(s) to set.\r | |
109 | @param Handle Handle of the table.\r | |
110 | \r | |
111 | @return EFI_SUCCESS The function completed successfully.\r | |
112 | @return EFI_INVALID_PARAMETER Both the Table and *Handle were NULL.\r | |
113 | @return EFI_ABORTED Could not complete the desired request.\r | |
114 | \r | |
115 | **/\r | |
116 | EFI_STATUS\r | |
117 | EFIAPI\r | |
118 | SetAcpiTable (\r | |
119 | IN EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance,\r | |
120 | IN VOID *Table OPTIONAL,\r | |
121 | IN BOOLEAN Checksum,\r | |
122 | IN EFI_ACPI_TABLE_VERSION Version,\r | |
123 | IN OUT UINTN *Handle\r | |
124 | )\r | |
125 | {\r | |
126 | UINTN SavedHandle;\r | |
127 | EFI_STATUS Status;\r | |
128 | \r | |
129 | //\r | |
130 | // Check for invalid input parameters\r | |
131 | //\r | |
132 | ASSERT (Handle);\r | |
133 | \r | |
134 | //\r | |
135 | // Initialize locals\r | |
136 | //\r | |
137 | //\r | |
138 | // Determine desired action\r | |
139 | //\r | |
140 | if (*Handle == 0) {\r | |
141 | if (Table == NULL) {\r | |
142 | //\r | |
143 | // Invalid parameter combination\r | |
144 | //\r | |
145 | return EFI_INVALID_PARAMETER;\r | |
146 | } else {\r | |
147 | //\r | |
148 | // Add table\r | |
149 | //\r | |
150 | Status = AddTableToList (AcpiTableInstance, Table, Checksum, Version, Handle);\r | |
151 | }\r | |
152 | } else {\r | |
153 | if (Table != NULL) {\r | |
154 | //\r | |
155 | // Update table\r | |
156 | //\r | |
157 | //\r | |
158 | // Delete the table list entry\r | |
159 | //\r | |
160 | Status = RemoveTableFromList (AcpiTableInstance, Version, *Handle);\r | |
161 | if (EFI_ERROR (Status)) {\r | |
162 | //\r | |
163 | // Should not get an error here ever, but abort if we do.\r | |
164 | //\r | |
165 | return EFI_ABORTED;\r | |
166 | }\r | |
167 | //\r | |
168 | // Set the handle to replace the table at the same handle\r | |
169 | //\r | |
170 | SavedHandle = AcpiTableInstance->CurrentHandle;\r | |
171 | AcpiTableInstance->CurrentHandle = *Handle;\r | |
172 | \r | |
173 | //\r | |
174 | // Add the table\r | |
175 | //\r | |
176 | Status = AddTableToList (AcpiTableInstance, Table, Checksum, Version, Handle);\r | |
177 | \r | |
178 | //\r | |
179 | // Restore the saved current handle\r | |
180 | //\r | |
181 | AcpiTableInstance->CurrentHandle = SavedHandle;\r | |
182 | } else {\r | |
183 | //\r | |
184 | // Delete table\r | |
185 | //\r | |
186 | Status = RemoveTableFromList (AcpiTableInstance, Version, *Handle);\r | |
187 | }\r | |
188 | }\r | |
189 | \r | |
190 | if (EFI_ERROR (Status)) {\r | |
191 | //\r | |
192 | // Should not get an error here ever, but abort if we do.\r | |
193 | //\r | |
194 | return EFI_ABORTED;\r | |
195 | }\r | |
196 | //\r | |
197 | // Done\r | |
198 | //\r | |
199 | return EFI_SUCCESS;\r | |
200 | }\r | |
201 | \r | |
202 | /**\r | |
203 | This function publishes the specified versions of the ACPI tables by\r | |
204 | installing EFI configuration table entries for them. Any combination of\r | |
205 | table versions can be published.\r | |
206 | \r | |
207 | @param AcpiTableInstance Instance of the protocol.\r | |
208 | @param Version Version(s) to publish.\r | |
209 | \r | |
210 | @return EFI_SUCCESS The function completed successfully.\r | |
211 | @return EFI_ABORTED The function could not complete successfully.\r | |
212 | \r | |
213 | **/\r | |
214 | EFI_STATUS\r | |
215 | EFIAPI\r | |
216 | PublishTables (\r | |
217 | IN EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance,\r | |
218 | IN EFI_ACPI_TABLE_VERSION Version\r | |
219 | )\r | |
220 | {\r | |
221 | EFI_STATUS Status;\r | |
222 | UINT32 *CurrentRsdtEntry;\r | |
223 | VOID *CurrentXsdtEntry;\r | |
224 | UINT64 Buffer64;\r | |
225 | \r | |
226 | //\r | |
227 | // Reorder tables as some operating systems don't seem to find the\r | |
228 | // FADT correctly if it is not in the first few entries\r | |
229 | //\r | |
230 | \r | |
231 | //\r | |
232 | // Add FADT as the first entry\r | |
233 | //\r | |
234 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
235 | CurrentRsdtEntry = (UINT32 *) ((UINT8 *) AcpiTableInstance->Rsdt1 + sizeof (EFI_ACPI_DESCRIPTION_HEADER));\r | |
236 | *CurrentRsdtEntry = (UINT32) (UINTN) AcpiTableInstance->Fadt1;\r | |
237 | }\r | |
238 | if ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 ||\r | |
239 | (Version & EFI_ACPI_TABLE_VERSION_3_0) != 0) {\r | |
240 | CurrentRsdtEntry = (UINT32 *) ((UINT8 *) AcpiTableInstance->Rsdt3 + sizeof (EFI_ACPI_DESCRIPTION_HEADER));\r | |
241 | *CurrentRsdtEntry = (UINT32) (UINTN) AcpiTableInstance->Fadt3;\r | |
242 | CurrentXsdtEntry = (VOID *) ((UINT8 *) AcpiTableInstance->Xsdt + sizeof (EFI_ACPI_DESCRIPTION_HEADER));\r | |
243 | //\r | |
244 | // Add entry to XSDT, XSDT expects 64 bit pointers, but\r | |
245 | // the table pointers in XSDT are not aligned on 8 byte boundary.\r | |
246 | //\r | |
247 | Buffer64 = (UINT64) (UINTN) AcpiTableInstance->Fadt3;\r | |
248 | CopyMem (\r | |
249 | CurrentXsdtEntry,\r | |
250 | &Buffer64,\r | |
251 | sizeof (UINT64)\r | |
252 | );\r | |
253 | }\r | |
254 | \r | |
255 | //\r | |
256 | // Do checksum again because Dsdt/Xsdt is updated.\r | |
257 | //\r | |
258 | ChecksumCommonTables (AcpiTableInstance);\r | |
259 | \r | |
260 | //\r | |
261 | // Add the RSD_PTR to the system table and store that we have installed the\r | |
262 | // tables.\r | |
263 | //\r | |
264 | if (((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) &&\r | |
265 | !AcpiTableInstance->TablesInstalled1) {\r | |
266 | Status = gBS->InstallConfigurationTable (&gEfiAcpi10TableGuid, AcpiTableInstance->Rsdp1);\r | |
267 | if (EFI_ERROR (Status)) {\r | |
268 | return EFI_ABORTED;\r | |
269 | }\r | |
270 | \r | |
271 | AcpiTableInstance->TablesInstalled1 = TRUE;\r | |
272 | }\r | |
273 | \r | |
274 | if (((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 ||\r | |
275 | (Version & EFI_ACPI_TABLE_VERSION_3_0) != 0) &&\r | |
276 | !AcpiTableInstance->TablesInstalled3) {\r | |
277 | Status = gBS->InstallConfigurationTable (&gEfiAcpiTableGuid, AcpiTableInstance->Rsdp3);\r | |
278 | if (EFI_ERROR (Status)) {\r | |
279 | return EFI_ABORTED;\r | |
280 | }\r | |
281 | \r | |
282 | AcpiTableInstance->TablesInstalled3= TRUE;\r | |
283 | }\r | |
284 | \r | |
285 | return EFI_SUCCESS;\r | |
286 | }\r | |
287 | \r | |
288 | \r | |
289 | /**\r | |
290 | Installs an ACPI table into the RSDT/XSDT.\r | |
2fd3009f | 291 | Note that the ACPI table should be checksumed before installing it.\r |
292 | Otherwise it will assert.\r | |
5f55c700 | 293 | \r |
294 | @param This Protocol instance pointer.\r | |
295 | @param AcpiTableBuffer A pointer to a buffer containing the ACPI table to be installed.\r | |
296 | @param AcpiTableBufferSize Specifies the size, in bytes, of the AcpiTableBuffer buffer.\r | |
297 | @param TableKey Reurns a key to refer to the ACPI table.\r | |
298 | \r | |
299 | @return EFI_SUCCESS The table was successfully inserted.\r | |
300 | @return EFI_INVALID_PARAMETER Either AcpiTableBuffer is NULL, TableKey is NULL, or AcpiTableBufferSize \r | |
301 | and the size field embedded in the ACPI table pointed to by AcpiTableBuffer\r | |
302 | are not in sync.\r | |
303 | @return EFI_OUT_OF_RESOURCES Insufficient resources exist to complete the request.\r | |
304 | \r | |
305 | **/\r | |
306 | EFI_STATUS\r | |
307 | EFIAPI\r | |
308 | InstallAcpiTable (\r | |
309 | IN CONST EFI_ACPI_TABLE_PROTOCOL *This,\r | |
310 | IN CONST VOID *AcpiTableBuffer,\r | |
311 | IN UINTN AcpiTableBufferSize,\r | |
312 | OUT UINTN *TableKey\r | |
313 | )\r | |
314 | {\r | |
315 | EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance;\r | |
316 | EFI_STATUS Status;\r | |
317 | VOID *AcpiTableBufferConst;\r | |
2fd3009f | 318 | UINT32 Length;\r |
319 | UINT8 Checksum;\r | |
5f55c700 | 320 | \r |
321 | //\r | |
322 | // Check for invalid input parameters\r | |
323 | //\r | |
324 | if ((AcpiTableBuffer == NULL) || (TableKey == NULL)\r | |
325 | || (((EFI_ACPI_DESCRIPTION_HEADER *) AcpiTableBuffer)->Length != AcpiTableBufferSize)) {\r | |
326 | return EFI_INVALID_PARAMETER;\r | |
327 | }\r | |
328 | \r | |
2fd3009f | 329 | Length = ((EFI_ACPI_COMMON_HEADER *) AcpiTableBuffer)->Length;\r |
330 | Checksum = CalculateCheckSum8 ((UINT8 *)AcpiTableBuffer, Length);\r | |
331 | ASSERT (Checksum == 0);\r | |
332 | \r | |
5f55c700 | 333 | //\r |
334 | // Get the instance of the ACPI table protocol\r | |
335 | //\r | |
336 | AcpiTableInstance = EFI_ACPI_TABLE_INSTANCE_FROM_THIS (This);\r | |
337 | \r | |
338 | //\r | |
339 | // Install the ACPI table\r | |
340 | //\r | |
341 | AcpiTableBufferConst = AllocateCopyPool (AcpiTableBufferSize,AcpiTableBuffer);\r | |
342 | *TableKey = 0;\r | |
343 | Status = SetAcpiTable (\r | |
344 | AcpiTableInstance,\r | |
345 | AcpiTableBufferConst,\r | |
0f8e582f | 346 | FALSE,\r |
46a989f7 | 347 | EFI_ACPI_TABLE_VERSION_1_0B | EFI_ACPI_TABLE_VERSION_2_0 | EFI_ACPI_TABLE_VERSION_3_0,\r |
5f55c700 | 348 | TableKey\r |
349 | );\r | |
350 | if (!EFI_ERROR (Status)) {\r | |
351 | Status = PublishTables (\r | |
352 | AcpiTableInstance,\r | |
46a989f7 | 353 | EFI_ACPI_TABLE_VERSION_1_0B | EFI_ACPI_TABLE_VERSION_2_0 | EFI_ACPI_TABLE_VERSION_3_0\r |
5f55c700 | 354 | );\r |
355 | }\r | |
356 | FreePool (AcpiTableBufferConst);\r | |
357 | \r | |
358 | return Status;\r | |
359 | }\r | |
360 | \r | |
361 | \r | |
362 | /**\r | |
363 | Removes an ACPI table from the RSDT/XSDT.\r | |
364 | \r | |
365 | @param This Protocol instance pointer.\r | |
366 | @param TableKey Specifies the table to uninstall. The key was returned from InstallAcpiTable().\r | |
367 | \r | |
368 | @return EFI_SUCCESS The table was successfully uninstalled.\r | |
369 | @return EFI_NOT_FOUND TableKey does not refer to a valid key for a table entry.\r | |
370 | \r | |
371 | **/\r | |
372 | EFI_STATUS\r | |
373 | EFIAPI\r | |
374 | UninstallAcpiTable (\r | |
375 | IN CONST EFI_ACPI_TABLE_PROTOCOL *This,\r | |
376 | IN UINTN TableKey\r | |
377 | )\r | |
378 | {\r | |
379 | EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance;\r | |
380 | EFI_STATUS Status;\r | |
381 | \r | |
382 | //\r | |
383 | // Get the instance of the ACPI table protocol\r | |
384 | //\r | |
385 | AcpiTableInstance = EFI_ACPI_TABLE_INSTANCE_FROM_THIS (This);\r | |
386 | \r | |
387 | //\r | |
388 | // Uninstall the ACPI table\r | |
389 | //\r | |
390 | Status = SetAcpiTable (\r | |
391 | AcpiTableInstance,\r | |
392 | NULL,\r | |
393 | FALSE,\r | |
46a989f7 | 394 | EFI_ACPI_TABLE_VERSION_1_0B | EFI_ACPI_TABLE_VERSION_2_0 | EFI_ACPI_TABLE_VERSION_3_0,\r |
5f55c700 | 395 | &TableKey\r |
396 | );\r | |
397 | if (!EFI_ERROR (Status)) {\r | |
398 | Status = PublishTables (\r | |
399 | AcpiTableInstance,\r | |
46a989f7 | 400 | EFI_ACPI_TABLE_VERSION_1_0B | EFI_ACPI_TABLE_VERSION_2_0 | EFI_ACPI_TABLE_VERSION_3_0\r |
5f55c700 | 401 | );\r |
402 | }\r | |
403 | \r | |
404 | if (EFI_ERROR (Status)) {\r | |
405 | return EFI_NOT_FOUND;\r | |
406 | } else {\r | |
407 | return EFI_SUCCESS;\r | |
408 | }\r | |
409 | }\r | |
410 | \r | |
411 | \r | |
412 | /**\r | |
413 | This function adds an ACPI table to the table list. It will detect FACS and\r | |
414 | allocate the correct type of memory and properly align the table.\r | |
415 | \r | |
416 | @param AcpiTableInstance Instance of the protocol.\r | |
417 | @param Table Table to add.\r | |
418 | @param Checksum Does the table require checksumming.\r | |
419 | @param Version The version of the list to add the table to.\r | |
420 | @param Handle Pointer for returning the handle.\r | |
421 | \r | |
422 | @return EFI_SUCCESS The function completed successfully.\r | |
423 | @return EFI_OUT_OF_RESOURCES Could not allocate a required resource.\r | |
424 | @return EFI_ABORTED The table is a duplicate of a table that is required\r | |
425 | to be unique.\r | |
426 | \r | |
427 | **/\r | |
428 | EFI_STATUS\r | |
429 | AddTableToList (\r | |
430 | IN EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance,\r | |
431 | IN VOID *Table,\r | |
432 | IN BOOLEAN Checksum,\r | |
433 | IN EFI_ACPI_TABLE_VERSION Version,\r | |
434 | OUT UINTN *Handle\r | |
435 | )\r | |
436 | {\r | |
437 | EFI_STATUS Status;\r | |
438 | EFI_ACPI_TABLE_LIST *CurrentTableList;\r | |
439 | UINT32 CurrentTableSignature;\r | |
440 | UINT32 CurrentTableSize;\r | |
441 | UINT32 *CurrentRsdtEntry;\r | |
442 | VOID *CurrentXsdtEntry;\r | |
443 | UINT64 Buffer64;\r | |
444 | BOOLEAN AddToRsdt;\r | |
445 | \r | |
446 | //\r | |
447 | // Check for invalid input parameters\r | |
448 | //\r | |
449 | ASSERT (AcpiTableInstance);\r | |
450 | ASSERT (Table);\r | |
451 | ASSERT (Handle);\r | |
452 | \r | |
453 | //\r | |
454 | // Init locals\r | |
455 | //\r | |
456 | AddToRsdt = TRUE;\r | |
457 | \r | |
458 | //\r | |
459 | // Create a new list entry\r | |
460 | //\r | |
461 | CurrentTableList = AllocatePool (sizeof (EFI_ACPI_TABLE_LIST));\r | |
462 | ASSERT (CurrentTableList);\r | |
463 | \r | |
464 | //\r | |
465 | // Determine table type and size\r | |
466 | //\r | |
467 | CurrentTableSignature = ((EFI_ACPI_COMMON_HEADER *) Table)->Signature;\r | |
468 | CurrentTableSize = ((EFI_ACPI_COMMON_HEADER *) Table)->Length;\r | |
469 | \r | |
470 | //\r | |
471 | // Allocate a buffer for the table. All tables are allocated in the lower 32 bits of address space\r | |
472 | // for backwards compatibility with ACPI 1.0 OS.\r | |
473 | //\r | |
474 | // This is done because ACPI 1.0 pointers are 32 bit values.\r | |
475 | // ACPI 2.0 OS and all 64 bit OS must use the 64 bit ACPI table addresses.\r | |
476 | // There is no architectural reason these should be below 4GB, it is purely\r | |
477 | // for convenience of implementation that we force memory below 4GB.\r | |
478 | //\r | |
479 | CurrentTableList->PageAddress = 0xFFFFFFFF;\r | |
480 | CurrentTableList->NumberOfPages = EFI_SIZE_TO_PAGES (CurrentTableSize);\r | |
481 | \r | |
482 | //\r | |
483 | // Allocation memory type depends on the type of the table\r | |
484 | //\r | |
485 | if (CurrentTableSignature == EFI_ACPI_2_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE || \r | |
486 | CurrentTableSignature == EFI_ACPI_3_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE) {\r | |
487 | //\r | |
488 | // Allocate memory for the FACS. This structure must be aligned\r | |
489 | // on a 64 byte boundary and must be ACPI NVS memory.\r | |
490 | // Using AllocatePages should ensure that it is always aligned.\r | |
491 | //\r | |
492 | ASSERT ((EFI_PAGE_SIZE % 64) == 0);\r | |
493 | Status = gBS->AllocatePages (\r | |
494 | AllocateMaxAddress,\r | |
495 | EfiACPIMemoryNVS,\r | |
496 | CurrentTableList->NumberOfPages,\r | |
497 | &CurrentTableList->PageAddress\r | |
498 | );\r | |
499 | } else {\r | |
500 | //\r | |
501 | // All other tables are ACPI reclaim memory, no alignment requirements.\r | |
502 | //\r | |
503 | Status = gBS->AllocatePages (\r | |
504 | AllocateMaxAddress,\r | |
505 | EfiACPIReclaimMemory,\r | |
506 | CurrentTableList->NumberOfPages,\r | |
507 | &CurrentTableList->PageAddress\r | |
508 | );\r | |
509 | }\r | |
510 | //\r | |
511 | // Check return value from memory alloc.\r | |
512 | //\r | |
513 | if (EFI_ERROR (Status)) {\r | |
514 | gBS->FreePool (CurrentTableList);\r | |
515 | return EFI_OUT_OF_RESOURCES;\r | |
516 | }\r | |
517 | //\r | |
518 | // Update the table pointer with the allocated memory start\r | |
519 | //\r | |
520 | CurrentTableList->Table = (EFI_ACPI_COMMON_HEADER *) (UINTN) CurrentTableList->PageAddress;\r | |
521 | \r | |
522 | //\r | |
523 | // Initialize the table contents\r | |
524 | //\r | |
525 | CurrentTableList->Signature = EFI_ACPI_TABLE_LIST_SIGNATURE;\r | |
526 | CopyMem (CurrentTableList->Table, Table, CurrentTableSize);\r | |
527 | CurrentTableList->Handle = AcpiTableInstance->CurrentHandle++;\r | |
528 | *Handle = CurrentTableList->Handle;\r | |
529 | CurrentTableList->Version = Version;\r | |
530 | \r | |
531 | //\r | |
532 | // Update internal pointers if this is a required table. If it is a required\r | |
533 | // table and a table of that type already exists, return an error.\r | |
534 | //\r | |
535 | // Calculate the checksum if the table is not FACS.\r | |
536 | //\r | |
537 | switch (CurrentTableSignature) {\r | |
538 | \r | |
539 | case EFI_ACPI_1_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE:\r | |
540 | //\r | |
541 | // We don't add the FADT in the standard way because some\r | |
542 | // OS expect the FADT to be early in the table list.\r | |
543 | // So we always add it as the first element in the list.\r | |
544 | //\r | |
545 | AddToRsdt = FALSE;\r | |
546 | \r | |
547 | //\r | |
548 | // Check that the table has not been previously added.\r | |
549 | //\r | |
550 | if (((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0 && AcpiTableInstance->Fadt1 != NULL) ||\r | |
551 | ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 && AcpiTableInstance->Fadt3 != NULL) ||\r | |
552 | ((Version & EFI_ACPI_TABLE_VERSION_3_0) != 0 && AcpiTableInstance->Fadt3 != NULL)\r | |
553 | ) {\r | |
554 | gBS->FreePages (CurrentTableList->PageAddress, CurrentTableList->NumberOfPages);\r | |
555 | gBS->FreePool (CurrentTableList);\r | |
556 | return EFI_ABORTED;\r | |
557 | }\r | |
558 | //\r | |
559 | // Add the table to the appropriate table version\r | |
560 | //\r | |
561 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
562 | //\r | |
563 | // Save a pointer to the table\r | |
564 | //\r | |
565 | AcpiTableInstance->Fadt1 = (EFI_ACPI_1_0_FIXED_ACPI_DESCRIPTION_TABLE *) CurrentTableList->Table;\r | |
566 | \r | |
567 | //\r | |
568 | // Update pointers in FADT. If tables don't exist this will put NULL pointers there.\r | |
569 | //\r | |
570 | AcpiTableInstance->Fadt1->FirmwareCtrl = (UINT32) (UINTN) AcpiTableInstance->Facs1;\r | |
571 | AcpiTableInstance->Fadt1->Dsdt = (UINT32) (UINTN) AcpiTableInstance->Dsdt1;\r | |
572 | \r | |
573 | //\r | |
574 | // RSDP OEM information is updated to match the FADT OEM information\r | |
575 | //\r | |
576 | CopyMem (\r | |
577 | &AcpiTableInstance->Rsdp1->OemId,\r | |
578 | &AcpiTableInstance->Fadt1->Header.OemId,\r | |
579 | 6\r | |
580 | );\r | |
581 | \r | |
582 | //\r | |
583 | // RSDT OEM information is updated to match the FADT OEM information.\r | |
584 | //\r | |
585 | CopyMem (\r | |
586 | &AcpiTableInstance->Rsdt1->OemId,\r | |
587 | &AcpiTableInstance->Fadt1->Header.OemId,\r | |
588 | 6\r | |
589 | );\r | |
590 | \r | |
591 | CopyMem (\r | |
592 | &AcpiTableInstance->Rsdt1->OemTableId,\r | |
593 | &AcpiTableInstance->Fadt1->Header.OemTableId,\r | |
594 | sizeof (UINT64)\r | |
595 | );\r | |
596 | AcpiTableInstance->Rsdt1->OemRevision = AcpiTableInstance->Fadt1->Header.OemRevision;\r | |
597 | }\r | |
598 | \r | |
599 | if ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 ||\r | |
600 | (Version & EFI_ACPI_TABLE_VERSION_3_0) != 0) {\r | |
601 | //\r | |
602 | // Save a pointer to the table\r | |
603 | //\r | |
604 | AcpiTableInstance->Fadt3 = (EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE *) CurrentTableList->Table;\r | |
605 | \r | |
606 | //\r | |
607 | // Update pointers in FADT. If tables don't exist this will put NULL pointers there.\r | |
608 | //\r | |
609 | if (AcpiTableInstance->Fadt3 != NULL) {\r | |
610 | AcpiTableInstance->Fadt3->FirmwareCtrl = (UINT32) (UINTN) AcpiTableInstance->Facs3;\r | |
611 | Buffer64 = (UINT64) (UINTN) AcpiTableInstance->Facs3;\r | |
612 | CopyMem (\r | |
613 | &AcpiTableInstance->Fadt3->XFirmwareCtrl,\r | |
614 | &Buffer64,\r | |
615 | sizeof (UINT64)\r | |
616 | );\r | |
617 | AcpiTableInstance->Fadt3->Dsdt = (UINT32) (UINTN) AcpiTableInstance->Dsdt3;\r | |
618 | Buffer64 = (UINT64) (UINTN) AcpiTableInstance->Dsdt3;\r | |
619 | CopyMem (\r | |
620 | &AcpiTableInstance->Fadt3->XDsdt,\r | |
621 | &Buffer64,\r | |
622 | sizeof (UINT64)\r | |
623 | );\r | |
5f55c700 | 624 | \r |
6198c346 | 625 | //\r |
626 | // RSDP OEM information is updated to match the FADT OEM information\r | |
627 | //\r | |
628 | CopyMem (\r | |
629 | &AcpiTableInstance->Rsdp3->OemId,\r | |
630 | &AcpiTableInstance->Fadt3->Header.OemId,\r | |
631 | 6\r | |
632 | );\r | |
633 | \r | |
634 | //\r | |
635 | // RSDT OEM information is updated to match FADT OEM information.\r | |
636 | //\r | |
637 | CopyMem (\r | |
638 | &AcpiTableInstance->Rsdt3->OemId,\r | |
639 | &AcpiTableInstance->Fadt3->Header.OemId,\r | |
640 | 6\r | |
641 | );\r | |
642 | CopyMem (\r | |
643 | &AcpiTableInstance->Rsdt3->OemTableId,\r | |
644 | &AcpiTableInstance->Fadt3->Header.OemTableId,\r | |
645 | sizeof (UINT64)\r | |
646 | );\r | |
647 | AcpiTableInstance->Rsdt3->OemRevision = AcpiTableInstance->Fadt3->Header.OemRevision;\r | |
648 | \r | |
649 | //\r | |
650 | // XSDT OEM information is updated to match FADT OEM information.\r | |
651 | //\r | |
652 | CopyMem (\r | |
653 | &AcpiTableInstance->Xsdt->OemId,\r | |
654 | &AcpiTableInstance->Fadt3->Header.OemId,\r | |
655 | 6\r | |
656 | );\r | |
657 | CopyMem (\r | |
658 | &AcpiTableInstance->Xsdt->OemTableId,\r | |
659 | &AcpiTableInstance->Fadt3->Header.OemTableId,\r | |
660 | sizeof (UINT64)\r | |
661 | );\r | |
662 | AcpiTableInstance->Xsdt->OemRevision = AcpiTableInstance->Fadt3->Header.OemRevision;\r | |
663 | }\r | |
5f55c700 | 664 | } \r |
665 | //\r | |
666 | // Checksum the table\r | |
667 | //\r | |
668 | if (Checksum) {\r | |
669 | AcpiPlatformChecksum (\r | |
670 | CurrentTableList->Table,\r | |
671 | CurrentTableList->Table->Length,\r | |
672 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
673 | Checksum)\r | |
674 | );\r | |
675 | }\r | |
676 | break;\r | |
677 | \r | |
678 | case EFI_ACPI_1_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE:\r | |
679 | //\r | |
680 | // Check that the table has not been previously added.\r | |
681 | //\r | |
682 | if (((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0 && AcpiTableInstance->Facs1 != NULL) ||\r | |
683 | ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 && AcpiTableInstance->Facs3 != NULL) ||\r | |
684 | ((Version & EFI_ACPI_TABLE_VERSION_3_0) != 0 && AcpiTableInstance->Facs3 != NULL)\r | |
685 | ) {\r | |
686 | gBS->FreePages (CurrentTableList->PageAddress, CurrentTableList->NumberOfPages);\r | |
687 | gBS->FreePool (CurrentTableList);\r | |
688 | return EFI_ABORTED;\r | |
689 | }\r | |
690 | //\r | |
691 | // FACS is referenced by FADT and is not part of RSDT\r | |
692 | //\r | |
693 | AddToRsdt = FALSE;\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->Facs1 = (EFI_ACPI_1_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *) CurrentTableList->Table;\r | |
703 | \r | |
704 | //\r | |
705 | // If FADT already exists, update table pointers.\r | |
706 | //\r | |
707 | if (AcpiTableInstance->Fadt1 != NULL) {\r | |
708 | AcpiTableInstance->Fadt1->FirmwareCtrl = (UINT32) (UINTN) AcpiTableInstance->Facs1;\r | |
709 | \r | |
710 | //\r | |
711 | // Checksum FADT table\r | |
712 | //\r | |
713 | AcpiPlatformChecksum (\r | |
714 | AcpiTableInstance->Fadt1,\r | |
715 | AcpiTableInstance->Fadt1->Header.Length,\r | |
716 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
717 | Checksum)\r | |
718 | );\r | |
719 | }\r | |
720 | }\r | |
721 | \r | |
722 | if ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 ||\r | |
723 | (Version & EFI_ACPI_TABLE_VERSION_3_0) != 0) {\r | |
724 | //\r | |
725 | // Save a pointer to the table\r | |
726 | //\r | |
727 | AcpiTableInstance->Facs3 = (EFI_ACPI_3_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *) CurrentTableList->Table;\r | |
728 | \r | |
729 | //\r | |
730 | // If FADT already exists, update table pointers.\r | |
731 | //\r | |
732 | if (AcpiTableInstance->Fadt3 != NULL) {\r | |
733 | AcpiTableInstance->Fadt3->FirmwareCtrl = (UINT32) (UINTN) AcpiTableInstance->Facs3;\r | |
734 | Buffer64 = (UINT64) (UINTN) AcpiTableInstance->Facs3;\r | |
735 | CopyMem (\r | |
736 | &AcpiTableInstance->Fadt3->XFirmwareCtrl,\r | |
737 | &Buffer64,\r | |
738 | sizeof (UINT64)\r | |
739 | );\r | |
740 | \r | |
741 | //\r | |
742 | // Checksum FADT table\r | |
743 | //\r | |
744 | AcpiPlatformChecksum (\r | |
745 | AcpiTableInstance->Fadt3,\r | |
746 | AcpiTableInstance->Fadt3->Header.Length,\r | |
747 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
748 | Checksum)\r | |
749 | );\r | |
750 | }\r | |
751 | }\r | |
752 | \r | |
753 | break;\r | |
754 | \r | |
755 | case EFI_ACPI_1_0_DIFFERENTIATED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE:\r | |
756 | //\r | |
757 | // Check that the table has not been previously added.\r | |
758 | //\r | |
759 | if (((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0 && AcpiTableInstance->Dsdt1 != NULL) ||\r | |
760 | ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 && AcpiTableInstance->Dsdt3 != NULL) ||\r | |
761 | ((Version & EFI_ACPI_TABLE_VERSION_3_0) != 0 && AcpiTableInstance->Dsdt3 != NULL)\r | |
762 | ) {\r | |
763 | gBS->FreePages (CurrentTableList->PageAddress, CurrentTableList->NumberOfPages);\r | |
764 | gBS->FreePool (CurrentTableList);\r | |
765 | return EFI_ABORTED;\r | |
766 | }\r | |
767 | //\r | |
768 | // DSDT is referenced by FADT and is not part of RSDT\r | |
769 | //\r | |
770 | AddToRsdt = FALSE;\r | |
771 | \r | |
772 | //\r | |
773 | // Add the table to the appropriate table version\r | |
774 | //\r | |
775 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
776 | //\r | |
777 | // Save a pointer to the table\r | |
778 | //\r | |
779 | AcpiTableInstance->Dsdt1 = (EFI_ACPI_DESCRIPTION_HEADER *) CurrentTableList->Table;\r | |
780 | \r | |
781 | //\r | |
782 | // If FADT already exists, update table pointers.\r | |
783 | //\r | |
784 | if (AcpiTableInstance->Fadt1 != NULL) {\r | |
785 | AcpiTableInstance->Fadt1->Dsdt = (UINT32) (UINTN) AcpiTableInstance->Dsdt1;\r | |
786 | \r | |
787 | //\r | |
788 | // Checksum FADT table\r | |
789 | //\r | |
790 | AcpiPlatformChecksum (\r | |
791 | AcpiTableInstance->Fadt1,\r | |
792 | AcpiTableInstance->Fadt1->Header.Length,\r | |
793 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
794 | Checksum)\r | |
795 | );\r | |
796 | }\r | |
797 | }\r | |
798 | \r | |
799 | if ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 ||\r | |
800 | (Version & EFI_ACPI_TABLE_VERSION_3_0) != 0) {\r | |
801 | //\r | |
802 | // Save a pointer to the table\r | |
803 | //\r | |
804 | AcpiTableInstance->Dsdt3 = (EFI_ACPI_DESCRIPTION_HEADER *) CurrentTableList->Table;\r | |
805 | \r | |
806 | //\r | |
807 | // If FADT already exists, update table pointers.\r | |
808 | //\r | |
809 | if (AcpiTableInstance->Fadt3 != NULL) {\r | |
810 | AcpiTableInstance->Fadt3->Dsdt = (UINT32) (UINTN) AcpiTableInstance->Dsdt3;\r | |
811 | Buffer64 = (UINT64) (UINTN) AcpiTableInstance->Dsdt3;\r | |
812 | CopyMem (\r | |
813 | &AcpiTableInstance->Fadt3->XDsdt,\r | |
814 | &Buffer64,\r | |
815 | sizeof (UINT64)\r | |
816 | );\r | |
817 | \r | |
818 | //\r | |
819 | // Checksum FADT table\r | |
820 | //\r | |
821 | AcpiPlatformChecksum (\r | |
822 | AcpiTableInstance->Fadt3,\r | |
823 | AcpiTableInstance->Fadt3->Header.Length,\r | |
824 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
825 | Checksum)\r | |
826 | );\r | |
827 | }\r | |
828 | } \r | |
829 | //\r | |
830 | // Checksum the table\r | |
831 | //\r | |
832 | if (Checksum) {\r | |
833 | AcpiPlatformChecksum (\r | |
834 | CurrentTableList->Table,\r | |
835 | CurrentTableList->Table->Length,\r | |
836 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
837 | Checksum)\r | |
838 | );\r | |
839 | }\r | |
840 | break;\r | |
841 | \r | |
842 | default:\r | |
843 | //\r | |
844 | // Checksum the table\r | |
845 | //\r | |
846 | if (Checksum) {\r | |
847 | AcpiPlatformChecksum (\r | |
848 | CurrentTableList->Table,\r | |
849 | CurrentTableList->Table->Length,\r | |
850 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
851 | Checksum)\r | |
852 | );\r | |
853 | }\r | |
854 | break;\r | |
855 | }\r | |
856 | //\r | |
857 | // Add the table to the current list of tables\r | |
858 | //\r | |
859 | InsertTailList (&AcpiTableInstance->TableList, &CurrentTableList->Link);\r | |
860 | \r | |
861 | //\r | |
862 | // Add the table to RSDT and/or XSDT table entry lists.\r | |
863 | //\r | |
864 | //\r | |
865 | // Add to ACPI 1.0b table tree\r | |
866 | //\r | |
867 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
868 | CurrentRsdtEntry = (UINT32 *)\r | |
869 | (\r | |
870 | (UINT8 *) AcpiTableInstance->Rsdt1 +\r | |
871 | sizeof (EFI_ACPI_DESCRIPTION_HEADER) +\r | |
872 | AcpiTableInstance->NumberOfTableEntries1 *\r | |
873 | sizeof (UINT32)\r | |
874 | );\r | |
875 | \r | |
876 | //\r | |
877 | // Add entry to the RSDT unless its the FACS or DSDT\r | |
878 | //\r | |
879 | if (AddToRsdt) {\r | |
880 | *CurrentRsdtEntry = (UINT32) (UINTN) CurrentTableList->Table;\r | |
881 | \r | |
882 | //\r | |
883 | // Update RSDT length\r | |
884 | //\r | |
885 | AcpiTableInstance->Rsdt1->Length = AcpiTableInstance->Rsdt1->Length + sizeof (UINT32);\r | |
886 | \r | |
887 | AcpiTableInstance->NumberOfTableEntries1++;\r | |
888 | }\r | |
889 | \r | |
890 | ASSERT (AcpiTableInstance->NumberOfTableEntries1 <= EFI_ACPI_MAX_NUM_TABLES);\r | |
891 | }\r | |
892 | //\r | |
893 | // Add to ACPI 2.0/3.0 table tree\r | |
894 | //\r | |
895 | if ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 ||\r | |
896 | (Version & EFI_ACPI_TABLE_VERSION_3_0) != 0) {\r | |
897 | if (AddToRsdt) {\r | |
898 | //\r | |
899 | // At this time, it is assumed that RSDT and XSDT maintain parallel lists of tables.\r | |
900 | // If it becomes necessary to maintain separate table lists, changes will be required.\r | |
901 | //\r | |
902 | CurrentRsdtEntry = (UINT32 *)\r | |
903 | (\r | |
904 | (UINT8 *) AcpiTableInstance->Rsdt3 +\r | |
905 | sizeof (EFI_ACPI_DESCRIPTION_HEADER) +\r | |
906 | AcpiTableInstance->NumberOfTableEntries3 *\r | |
907 | sizeof (UINT32)\r | |
908 | );\r | |
909 | \r | |
910 | //\r | |
911 | // This pointer must not be directly dereferenced as the XSDT entries may not\r | |
912 | // be 64 bit aligned resulting in a possible fault. Use CopyMem to update.\r | |
913 | //\r | |
914 | CurrentXsdtEntry = (VOID *)\r | |
915 | (\r | |
916 | (UINT8 *) AcpiTableInstance->Xsdt +\r | |
917 | sizeof (EFI_ACPI_DESCRIPTION_HEADER) +\r | |
918 | AcpiTableInstance->NumberOfTableEntries3 *\r | |
919 | sizeof (UINT64)\r | |
920 | );\r | |
921 | \r | |
922 | //\r | |
923 | // Add entry to the RSDT\r | |
924 | //\r | |
925 | *CurrentRsdtEntry = (UINT32) (UINTN) CurrentTableList->Table;\r | |
926 | \r | |
927 | //\r | |
928 | // Update RSDT length\r | |
929 | //\r | |
930 | AcpiTableInstance->Rsdt3->Length = AcpiTableInstance->Rsdt3->Length + sizeof (UINT32);\r | |
931 | \r | |
932 | //\r | |
933 | // Add entry to XSDT, XSDT expects 64 bit pointers, but\r | |
934 | // the table pointers in XSDT are not aligned on 8 byte boundary.\r | |
935 | //\r | |
936 | Buffer64 = (UINT64) (UINTN) CurrentTableList->Table;\r | |
937 | CopyMem (\r | |
938 | CurrentXsdtEntry,\r | |
939 | &Buffer64,\r | |
940 | sizeof (UINT64)\r | |
941 | );\r | |
942 | \r | |
943 | //\r | |
944 | // Update length\r | |
945 | //\r | |
946 | AcpiTableInstance->Xsdt->Length = AcpiTableInstance->Xsdt->Length + sizeof (UINT64);\r | |
947 | \r | |
948 | AcpiTableInstance->NumberOfTableEntries3++;\r | |
949 | }\r | |
950 | \r | |
951 | ASSERT (AcpiTableInstance->NumberOfTableEntries3 <= EFI_ACPI_MAX_NUM_TABLES);\r | |
952 | }\r | |
953 | \r | |
954 | ChecksumCommonTables (AcpiTableInstance);\r | |
955 | return EFI_SUCCESS;\r | |
956 | }\r | |
957 | \r | |
958 | \r | |
959 | /**\r | |
960 | This function finds the table specified by the handle and returns a pointer to it.\r | |
961 | If the handle is not found, EFI_NOT_FOUND is returned and the contents of Table are\r | |
962 | undefined.\r | |
963 | \r | |
964 | @param Handle Table to find.\r | |
965 | @param TableList Table list to search\r | |
966 | @param Table Pointer to table found. \r | |
967 | \r | |
968 | @return EFI_SUCCESS The function completed successfully.\r | |
969 | @return EFI_NOT_FOUND No table found matching the handle specified.\r | |
970 | \r | |
971 | **/\r | |
972 | EFI_STATUS\r | |
973 | FindTableByHandle (\r | |
974 | IN UINTN Handle,\r | |
975 | IN LIST_ENTRY *TableList,\r | |
976 | OUT EFI_ACPI_TABLE_LIST **Table\r | |
977 | )\r | |
978 | {\r | |
979 | LIST_ENTRY *CurrentLink;\r | |
980 | EFI_ACPI_TABLE_LIST *CurrentTable;\r | |
981 | \r | |
982 | //\r | |
983 | // Check for invalid input parameters\r | |
984 | //\r | |
985 | ASSERT (Table);\r | |
986 | \r | |
987 | //\r | |
988 | // Find the table\r | |
989 | //\r | |
990 | CurrentLink = TableList->ForwardLink;\r | |
991 | \r | |
992 | while (CurrentLink != TableList) {\r | |
993 | CurrentTable = EFI_ACPI_TABLE_LIST_FROM_LINK (CurrentLink);\r | |
994 | if (CurrentTable->Handle == Handle) {\r | |
995 | //\r | |
996 | // Found handle, so return this table.\r | |
997 | //\r | |
998 | *Table = CurrentTable;\r | |
999 | return EFI_SUCCESS;\r | |
1000 | }\r | |
1001 | \r | |
1002 | CurrentLink = CurrentLink->ForwardLink;\r | |
1003 | }\r | |
1004 | //\r | |
1005 | // Table not found\r | |
1006 | //\r | |
1007 | return EFI_NOT_FOUND;\r | |
1008 | }\r | |
1009 | \r | |
1010 | \r | |
1011 | /**\r | |
1012 | This function removes a basic table from the RSDT and/or XSDT.\r | |
1013 | For Acpi 1.0 tables, pass in the Rsdt.\r | |
1014 | For Acpi 2.0 tables, pass in both Rsdt and Xsdt.\r | |
1015 | \r | |
1016 | @param Table Pointer to table found. \r | |
1017 | @param NumberOfTableEntries Current number of table entries in the RSDT/XSDT\r | |
1018 | @param Rsdt Pointer to the RSDT to remove from\r | |
1019 | @param Xsdt Pointer to the Xsdt to remove from\r | |
1020 | \r | |
1021 | @return EFI_SUCCESS The function completed successfully.\r | |
1022 | @return EFI_INVALID_PARAMETER The table was not found in both Rsdt and Xsdt.\r | |
1023 | \r | |
1024 | **/\r | |
1025 | EFI_STATUS\r | |
1026 | RemoveTableFromRsdt (\r | |
1027 | IN OUT EFI_ACPI_TABLE_LIST * Table,\r | |
1028 | IN OUT UINTN *NumberOfTableEntries,\r | |
1029 | IN OUT EFI_ACPI_DESCRIPTION_HEADER * Rsdt,\r | |
1030 | IN OUT EFI_ACPI_DESCRIPTION_HEADER * Xsdt OPTIONAL\r | |
1031 | )\r | |
1032 | {\r | |
1033 | UINT32 *CurrentRsdtEntry;\r | |
1034 | VOID *CurrentXsdtEntry;\r | |
1035 | UINT64 CurrentTablePointer64;\r | |
1036 | UINTN Index;\r | |
1037 | \r | |
1038 | //\r | |
1039 | // Check for invalid input parameters\r | |
1040 | //\r | |
1041 | ASSERT (Table);\r | |
1042 | ASSERT (NumberOfTableEntries);\r | |
1043 | ASSERT (Rsdt);\r | |
1044 | \r | |
1045 | //\r | |
1046 | // Find the table entry in the RSDT and XSDT\r | |
1047 | //\r | |
1048 | for (Index = 0; Index < *NumberOfTableEntries; Index++) {\r | |
1049 | //\r | |
1050 | // At this time, it is assumed that RSDT and XSDT maintain parallel lists of tables.\r | |
1051 | // If it becomes necessary to maintain separate table lists, changes will be required.\r | |
1052 | //\r | |
1053 | CurrentRsdtEntry = (UINT32 *) ((UINT8 *) Rsdt + sizeof (EFI_ACPI_DESCRIPTION_HEADER) + Index * sizeof (UINT32));\r | |
1054 | if (Xsdt != NULL) {\r | |
1055 | //\r | |
1056 | // This pointer must not be directly dereferenced as the XSDT entries may not\r | |
1057 | // be 64 bit aligned resulting in a possible fault. Use CopyMem to update.\r | |
1058 | //\r | |
1059 | CurrentXsdtEntry = (VOID *) ((UINT8 *) Xsdt + sizeof (EFI_ACPI_DESCRIPTION_HEADER) + Index * sizeof (UINT64));\r | |
1060 | \r | |
1061 | //\r | |
1062 | // Read the entry value out of the XSDT\r | |
1063 | //\r | |
1064 | CopyMem (&CurrentTablePointer64, CurrentXsdtEntry, sizeof (UINT64));\r | |
1065 | } else {\r | |
1066 | //\r | |
1067 | // Initialize to NULL\r | |
1068 | //\r | |
1069 | CurrentXsdtEntry = 0;\r | |
1070 | CurrentTablePointer64 = 0;\r | |
1071 | }\r | |
1072 | //\r | |
1073 | // Check if we have found the corresponding entry in both RSDT and XSDT\r | |
1074 | //\r | |
1075 | if (*CurrentRsdtEntry == (UINT32) (UINTN) Table->Table &&\r | |
1076 | ((Xsdt == NULL) || CurrentTablePointer64 == (UINT64) (UINTN) Table->Table)\r | |
1077 | ) {\r | |
1078 | //\r | |
1079 | // Found entry, so copy all following entries and shrink table\r | |
1080 | // We actually copy all + 1 to copy the initialized value of memory over\r | |
1081 | // the last entry.\r | |
1082 | //\r | |
1083 | CopyMem (CurrentRsdtEntry, CurrentRsdtEntry + 1, (*NumberOfTableEntries - Index) * sizeof (UINT32));\r | |
1084 | Rsdt->Length = Rsdt->Length - sizeof (UINT32);\r | |
1085 | if (Xsdt != NULL) {\r | |
1086 | CopyMem (CurrentXsdtEntry, ((UINT64 *) CurrentXsdtEntry) + 1, (*NumberOfTableEntries - Index) * sizeof (UINT64));\r | |
1087 | Xsdt->Length = Xsdt->Length - sizeof (UINT64);\r | |
1088 | }\r | |
1089 | break;\r | |
1090 | } else if (Index + 1 == *NumberOfTableEntries) {\r | |
1091 | //\r | |
1092 | // At the last entry, and table not found\r | |
1093 | //\r | |
1094 | return EFI_INVALID_PARAMETER;\r | |
1095 | }\r | |
1096 | }\r | |
1097 | //\r | |
1098 | // Checksum the tables\r | |
1099 | //\r | |
1100 | AcpiPlatformChecksum (\r | |
1101 | Rsdt,\r | |
1102 | Rsdt->Length,\r | |
1103 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
1104 | Checksum)\r | |
1105 | );\r | |
1106 | \r | |
1107 | if (Xsdt != NULL) {\r | |
1108 | AcpiPlatformChecksum (\r | |
1109 | Xsdt,\r | |
1110 | Xsdt->Length,\r | |
1111 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
1112 | Checksum)\r | |
1113 | );\r | |
1114 | }\r | |
1115 | //\r | |
1116 | // Decrement the number of tables\r | |
1117 | //\r | |
1118 | (*NumberOfTableEntries)--;\r | |
1119 | \r | |
1120 | return EFI_SUCCESS;\r | |
1121 | }\r | |
1122 | \r | |
1123 | \r | |
1124 | /**\r | |
1125 | This function removes a table and frees any associated memory.\r | |
1126 | \r | |
1127 | @param AcpiTableInstance Instance of the protocol.\r | |
1128 | @param Version Version(s) to delete.\r | |
1129 | @param Table Pointer to table found.\r | |
1130 | \r | |
1131 | @return EFI_SUCCESS The function completed successfully.\r | |
1132 | \r | |
1133 | **/\r | |
1134 | EFI_STATUS\r | |
1135 | DeleteTable (\r | |
1136 | IN EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance,\r | |
1137 | IN EFI_ACPI_TABLE_VERSION Version,\r | |
1138 | IN OUT EFI_ACPI_TABLE_LIST *Table\r | |
1139 | )\r | |
1140 | {\r | |
1141 | UINT32 CurrentTableSignature;\r | |
1142 | BOOLEAN RemoveFromRsdt;\r | |
1143 | \r | |
1144 | //\r | |
1145 | // Check for invalid input parameters\r | |
1146 | //\r | |
1147 | ASSERT (AcpiTableInstance);\r | |
1148 | ASSERT (Table);\r | |
1149 | \r | |
1150 | //\r | |
1151 | // Init locals\r | |
1152 | //\r | |
1153 | RemoveFromRsdt = TRUE;\r | |
6198c346 | 1154 | //\r |
1155 | // Check for Table->Table\r | |
1156 | //\r | |
1157 | ASSERT (Table->Table != NULL);\r | |
5f55c700 | 1158 | CurrentTableSignature = ((EFI_ACPI_COMMON_HEADER *) Table->Table)->Signature;\r |
1159 | \r | |
1160 | //\r | |
1161 | // Basic tasks to accomplish delete are:\r | |
1162 | // Determine removal requirements (in RSDT/XSDT or not)\r | |
1163 | // Remove entry from RSDT/XSDT\r | |
1164 | // Remove any table references to the table\r | |
1165 | // If no one is using the table\r | |
1166 | // Free the table (removing pointers from private data and tables)\r | |
1167 | // Remove from list\r | |
1168 | // Free list structure\r | |
1169 | //\r | |
1170 | //\r | |
1171 | // Determine if this table is in the RSDT or XSDT\r | |
1172 | //\r | |
1173 | if ((CurrentTableSignature == EFI_ACPI_1_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE) ||\r | |
1174 | (CurrentTableSignature == EFI_ACPI_2_0_DIFFERENTIATED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE) ||\r | |
1175 | (CurrentTableSignature == EFI_ACPI_3_0_DIFFERENTIATED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE)\r | |
1176 | ) {\r | |
1177 | RemoveFromRsdt = FALSE;\r | |
1178 | }\r | |
1179 | //\r | |
1180 | // We don't remove the FADT in the standard way because some\r | |
1181 | // OS expect the FADT to be early in the table list.\r | |
1182 | // So we always put it as the first element in the list.\r | |
1183 | //\r | |
1184 | if (CurrentTableSignature == EFI_ACPI_1_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE) {\r | |
1185 | RemoveFromRsdt = FALSE;\r | |
1186 | }\r | |
1187 | \r | |
1188 | //\r | |
1189 | // Remove the table from RSDT and XSDT\r | |
1190 | //\r | |
1191 | if (Table->Table != NULL) {\r | |
1192 | //\r | |
1193 | // This is a basic table, remove it from any lists and the Rsdt and/or Xsdt\r | |
1194 | //\r | |
1195 | if (Version & EFI_ACPI_TABLE_VERSION_NONE & Table->Version) {\r | |
1196 | //\r | |
1197 | // Remove this version from the table\r | |
1198 | //\r | |
1199 | Table->Version = Table->Version &~EFI_ACPI_TABLE_VERSION_NONE;\r | |
1200 | }\r | |
1201 | \r | |
1202 | if (Version & EFI_ACPI_TABLE_VERSION_1_0B & Table->Version) {\r | |
1203 | //\r | |
1204 | // Remove this version from the table\r | |
1205 | //\r | |
1206 | Table->Version = Table->Version &~EFI_ACPI_TABLE_VERSION_1_0B;\r | |
1207 | \r | |
1208 | //\r | |
1209 | // Remove from Rsdt. We don't care about the return value because it is\r | |
1210 | // acceptable for the table to not exist in Rsdt.\r | |
1211 | // We didn't add some tables so we don't remove them.\r | |
1212 | //\r | |
1213 | if (RemoveFromRsdt) {\r | |
1214 | RemoveTableFromRsdt (\r | |
1215 | Table,\r | |
1216 | &AcpiTableInstance->NumberOfTableEntries1,\r | |
1217 | AcpiTableInstance->Rsdt1,\r | |
1218 | NULL\r | |
1219 | );\r | |
1220 | }\r | |
1221 | }\r | |
1222 | \r | |
1223 | if ((Version & EFI_ACPI_TABLE_VERSION_2_0 & Table->Version) ||\r | |
1224 | (Version & EFI_ACPI_TABLE_VERSION_3_0 & Table->Version)) {\r | |
1225 | //\r | |
1226 | // Remove this version from the table\r | |
1227 | //\r | |
1228 | if (Version & EFI_ACPI_TABLE_VERSION_2_0 & Table->Version) {\r | |
1229 | Table->Version = Table->Version &~EFI_ACPI_TABLE_VERSION_2_0;\r | |
1230 | } \r | |
1231 | if (Version & EFI_ACPI_TABLE_VERSION_3_0 & Table->Version) {\r | |
1232 | Table->Version = Table->Version &~EFI_ACPI_TABLE_VERSION_3_0;\r | |
1233 | }\r | |
1234 | \r | |
1235 | //\r | |
1236 | // Remove from Rsdt and Xsdt. We don't care about the return value\r | |
1237 | // because it is acceptable for the table to not exist in Rsdt/Xsdt.\r | |
1238 | // We didn't add some tables so we don't remove them.\r | |
1239 | //\r | |
1240 | if (RemoveFromRsdt) {\r | |
1241 | RemoveTableFromRsdt (\r | |
1242 | Table,\r | |
1243 | &AcpiTableInstance->NumberOfTableEntries3,\r | |
1244 | AcpiTableInstance->Rsdt3,\r | |
1245 | AcpiTableInstance->Xsdt\r | |
1246 | );\r | |
1247 | }\r | |
1248 | } \r | |
1249 | //\r | |
1250 | // Free the table, clean up any dependent tables and our private data pointers.\r | |
1251 | //\r | |
1252 | switch (Table->Table->Signature) {\r | |
1253 | \r | |
1254 | case EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE:\r | |
1255 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
1256 | AcpiTableInstance->Fadt1 = NULL;\r | |
1257 | }\r | |
1258 | \r | |
1259 | if ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 ||\r | |
1260 | (Version & EFI_ACPI_TABLE_VERSION_3_0) != 0) {\r | |
1261 | AcpiTableInstance->Fadt3 = NULL;\r | |
1262 | }\r | |
1263 | break;\r | |
1264 | \r | |
1265 | case EFI_ACPI_3_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE:\r | |
1266 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
1267 | AcpiTableInstance->Facs1 = NULL;\r | |
1268 | \r | |
1269 | //\r | |
1270 | // Update FADT table pointers\r | |
1271 | //\r | |
1272 | if (AcpiTableInstance->Fadt1 != NULL) {\r | |
1273 | AcpiTableInstance->Fadt1->FirmwareCtrl = 0;\r | |
1274 | \r | |
1275 | //\r | |
1276 | // Checksum table\r | |
1277 | //\r | |
1278 | AcpiPlatformChecksum (\r | |
1279 | AcpiTableInstance->Fadt1,\r | |
1280 | AcpiTableInstance->Fadt1->Header.Length,\r | |
1281 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
1282 | Checksum)\r | |
1283 | );\r | |
1284 | }\r | |
1285 | }\r | |
1286 | \r | |
1287 | if ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 ||\r | |
1288 | (Version & EFI_ACPI_TABLE_VERSION_3_0) != 0) {\r | |
1289 | AcpiTableInstance->Facs3 = NULL;\r | |
1290 | \r | |
1291 | //\r | |
1292 | // Update FADT table pointers\r | |
1293 | //\r | |
1294 | if (AcpiTableInstance->Fadt3 != NULL) {\r | |
1295 | AcpiTableInstance->Fadt3->FirmwareCtrl = 0;\r | |
1296 | ZeroMem (&AcpiTableInstance->Fadt3->XFirmwareCtrl, sizeof (UINT64));\r | |
1297 | \r | |
1298 | //\r | |
1299 | // Checksum table\r | |
1300 | //\r | |
1301 | AcpiPlatformChecksum (\r | |
1302 | AcpiTableInstance->Fadt3,\r | |
1303 | AcpiTableInstance->Fadt3->Header.Length,\r | |
1304 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
1305 | Checksum)\r | |
1306 | );\r | |
1307 | }\r | |
1308 | } \r | |
1309 | break;\r | |
1310 | \r | |
1311 | case EFI_ACPI_3_0_DIFFERENTIATED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE:\r | |
1312 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
1313 | AcpiTableInstance->Dsdt1 = NULL;\r | |
1314 | \r | |
1315 | //\r | |
1316 | // Update FADT table pointers\r | |
1317 | //\r | |
1318 | if (AcpiTableInstance->Fadt1 != NULL) {\r | |
1319 | AcpiTableInstance->Fadt1->Dsdt = 0;\r | |
1320 | \r | |
1321 | //\r | |
1322 | // Checksum table\r | |
1323 | //\r | |
1324 | AcpiPlatformChecksum (\r | |
1325 | AcpiTableInstance->Fadt1,\r | |
1326 | AcpiTableInstance->Fadt1->Header.Length,\r | |
1327 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
1328 | Checksum)\r | |
1329 | );\r | |
1330 | }\r | |
1331 | }\r | |
1332 | \r | |
1333 | \r | |
1334 | if ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 ||\r | |
1335 | (Version & EFI_ACPI_TABLE_VERSION_3_0) != 0) {\r | |
1336 | AcpiTableInstance->Dsdt3 = NULL;\r | |
1337 | \r | |
1338 | //\r | |
1339 | // Update FADT table pointers\r | |
1340 | //\r | |
1341 | if (AcpiTableInstance->Fadt3 != NULL) {\r | |
1342 | AcpiTableInstance->Fadt3->Dsdt = 0;\r | |
1343 | ZeroMem (&AcpiTableInstance->Fadt3->XDsdt, sizeof (UINT64));\r | |
1344 | \r | |
1345 | //\r | |
1346 | // Checksum table\r | |
1347 | //\r | |
1348 | AcpiPlatformChecksum (\r | |
1349 | AcpiTableInstance->Fadt3,\r | |
1350 | AcpiTableInstance->Fadt3->Header.Length,\r | |
1351 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
1352 | Checksum)\r | |
1353 | );\r | |
1354 | }\r | |
1355 | }\r | |
1356 | break;\r | |
1357 | \r | |
1358 | default:\r | |
1359 | //\r | |
1360 | // Do nothing\r | |
1361 | //\r | |
1362 | break;\r | |
1363 | }\r | |
1364 | }\r | |
1365 | //\r | |
1366 | // If no version is using this table anymore, remove and free list entry.\r | |
1367 | //\r | |
1368 | if (Table->Version == 0) {\r | |
1369 | //\r | |
1370 | // Free the Table\r | |
1371 | //\r | |
1372 | gBS->FreePages (Table->PageAddress, Table->NumberOfPages);\r | |
1373 | RemoveEntryList (&(Table->Link));\r | |
1374 | gBS->FreePool (Table);\r | |
1375 | }\r | |
1376 | //\r | |
1377 | // Done\r | |
1378 | //\r | |
1379 | return EFI_SUCCESS;\r | |
1380 | }\r | |
1381 | \r | |
1382 | \r | |
1383 | /**\r | |
1384 | This function finds and removes the table specified by the handle.\r | |
1385 | \r | |
1386 | @param AcpiTableInstance Instance of the protocol.\r | |
1387 | @param Version Bitmask of which versions to remove.\r | |
1388 | @param Handle Table to remove.\r | |
1389 | \r | |
1390 | @return EFI_SUCCESS The function completed successfully.\r | |
1391 | @return EFI_ABORTED An error occurred.\r | |
1392 | @return EFI_NOT_FOUND Handle not found in table list.\r | |
1393 | \r | |
1394 | **/\r | |
1395 | EFI_STATUS\r | |
1396 | RemoveTableFromList (\r | |
1397 | IN EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance,\r | |
1398 | IN EFI_ACPI_TABLE_VERSION Version,\r | |
1399 | IN UINTN Handle\r | |
1400 | )\r | |
1401 | {\r | |
1402 | EFI_ACPI_TABLE_LIST *Table;\r | |
1403 | EFI_STATUS Status;\r | |
1404 | \r | |
b474ed49 | 1405 | Table = (EFI_ACPI_TABLE_LIST*) NULL;\r |
1406 | \r | |
5f55c700 | 1407 | //\r |
1408 | // Check for invalid input parameters\r | |
1409 | //\r | |
1410 | ASSERT (AcpiTableInstance);\r | |
1411 | \r | |
1412 | //\r | |
1413 | // Find the table\r | |
1414 | //\r | |
1415 | Status = FindTableByHandle (\r | |
1416 | Handle,\r | |
1417 | &AcpiTableInstance->TableList,\r | |
1418 | &Table\r | |
1419 | );\r | |
1420 | if (EFI_ERROR (Status)) {\r | |
1421 | return EFI_NOT_FOUND;\r | |
1422 | }\r | |
1423 | //\r | |
1424 | // Remove the table\r | |
1425 | //\r | |
1426 | Status = DeleteTable (AcpiTableInstance, Version, Table);\r | |
1427 | if (EFI_ERROR (Status)) {\r | |
1428 | return EFI_ABORTED;\r | |
1429 | }\r | |
1430 | //\r | |
1431 | // Completed successfully\r | |
1432 | //\r | |
1433 | return EFI_SUCCESS;\r | |
1434 | }\r | |
1435 | \r | |
1436 | \r | |
1437 | /**\r | |
1438 | This function calculates and updates an UINT8 checksum.\r | |
1439 | \r | |
1440 | @param Buffer Pointer to buffer to checksum\r | |
1441 | @param Size Number of bytes to checksum\r | |
1442 | @param ChecksumOffset Offset to place the checksum result in\r | |
1443 | \r | |
1444 | @return EFI_SUCCESS The function completed successfully.\r | |
1445 | \r | |
1446 | **/\r | |
1447 | EFI_STATUS\r | |
1448 | AcpiPlatformChecksum (\r | |
1449 | IN VOID *Buffer,\r | |
1450 | IN UINTN Size,\r | |
1451 | IN UINTN ChecksumOffset\r | |
1452 | )\r | |
1453 | {\r | |
1454 | UINT8 Sum;\r | |
1455 | UINT8 *Ptr;\r | |
1456 | \r | |
1457 | Sum = 0;\r | |
1458 | //\r | |
1459 | // Initialize pointer\r | |
1460 | //\r | |
1461 | Ptr = Buffer;\r | |
1462 | \r | |
1463 | //\r | |
1464 | // set checksum to 0 first\r | |
1465 | //\r | |
1466 | Ptr[ChecksumOffset] = 0;\r | |
1467 | \r | |
1468 | //\r | |
1469 | // add all content of buffer\r | |
1470 | //\r | |
1471 | while ((Size--) != 0) {\r | |
1472 | Sum = (UINT8) (Sum + (*Ptr++));\r | |
1473 | }\r | |
1474 | //\r | |
1475 | // set checksum\r | |
1476 | //\r | |
1477 | Ptr = Buffer;\r | |
1478 | Ptr[ChecksumOffset] = (UINT8) (0xff - Sum + 1);\r | |
1479 | \r | |
1480 | return EFI_SUCCESS;\r | |
1481 | }\r | |
1482 | \r | |
1483 | \r | |
1484 | /**\r | |
1485 | Checksum all versions of the common tables, RSDP, RSDT, XSDT.\r | |
1486 | \r | |
1487 | @param AcpiTableInstance Protocol instance private data.\r | |
1488 | \r | |
1489 | @return EFI_SUCCESS The function completed successfully.\r | |
1490 | \r | |
1491 | **/\r | |
1492 | EFI_STATUS\r | |
1493 | ChecksumCommonTables (\r | |
1494 | IN OUT EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance\r | |
1495 | )\r | |
1496 | {\r | |
1497 | //\r | |
1498 | // RSDP ACPI 1.0 checksum for 1.0 table. This is only the first 20 bytes of the structure\r | |
1499 | //\r | |
1500 | AcpiPlatformChecksum (\r | |
1501 | AcpiTableInstance->Rsdp1,\r | |
1502 | sizeof (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER),\r | |
1503 | OFFSET_OF (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER,\r | |
1504 | Checksum)\r | |
1505 | );\r | |
1506 | \r | |
1507 | //\r | |
1508 | // RSDP ACPI 1.0 checksum for 2.0/3.0 table. This is only the first 20 bytes of the structure\r | |
1509 | //\r | |
1510 | AcpiPlatformChecksum (\r | |
1511 | AcpiTableInstance->Rsdp3,\r | |
1512 | sizeof (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER),\r | |
1513 | OFFSET_OF (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER,\r | |
1514 | Checksum)\r | |
1515 | );\r | |
1516 | \r | |
1517 | //\r | |
1518 | // RSDP ACPI 2.0/3.0 checksum, this is the entire table\r | |
1519 | //\r | |
1520 | AcpiPlatformChecksum (\r | |
1521 | AcpiTableInstance->Rsdp3,\r | |
1522 | sizeof (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER),\r | |
1523 | OFFSET_OF (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER,\r | |
1524 | ExtendedChecksum)\r | |
1525 | );\r | |
1526 | \r | |
1527 | //\r | |
1528 | // RSDT checksums\r | |
1529 | //\r | |
1530 | AcpiPlatformChecksum (\r | |
1531 | AcpiTableInstance->Rsdt1,\r | |
1532 | AcpiTableInstance->Rsdt1->Length,\r | |
1533 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
1534 | Checksum)\r | |
1535 | );\r | |
1536 | \r | |
1537 | AcpiPlatformChecksum (\r | |
1538 | AcpiTableInstance->Rsdt3,\r | |
1539 | AcpiTableInstance->Rsdt3->Length,\r | |
1540 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
1541 | Checksum)\r | |
1542 | );\r | |
1543 | \r | |
1544 | //\r | |
1545 | // XSDT checksum\r | |
1546 | //\r | |
1547 | AcpiPlatformChecksum (\r | |
1548 | AcpiTableInstance->Xsdt,\r | |
1549 | AcpiTableInstance->Xsdt->Length,\r | |
1550 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
1551 | Checksum)\r | |
1552 | );\r | |
1553 | \r | |
1554 | return EFI_SUCCESS;\r | |
1555 | }\r | |
1556 | \r | |
1557 | \r | |
1558 | /**\r | |
1559 | Constructor for the ACPI table protocol. Initializes instance\r | |
1560 | data.\r | |
1561 | \r | |
1562 | @param AcpiTableInstance Instance to construct\r | |
1563 | \r | |
1564 | @return EFI_SUCCESS Instance initialized.\r | |
1565 | @return EFI_OUT_OF_RESOURCES Unable to allocate required resources.\r | |
1566 | \r | |
1567 | **/\r | |
1568 | EFI_STATUS\r | |
1569 | AcpiTableAcpiTableConstructor (\r | |
1570 | EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance\r | |
1571 | )\r | |
1572 | {\r | |
1573 | EFI_STATUS Status;\r | |
1574 | UINT64 CurrentData;\r | |
1575 | UINTN TotalSize;\r | |
1576 | UINT8 *Pointer;\r | |
1577 | EFI_PHYSICAL_ADDRESS PageAddress;\r | |
1578 | \r | |
1579 | //\r | |
1580 | // Check for invalid input parameters\r | |
1581 | //\r | |
1582 | ASSERT (AcpiTableInstance);\r | |
1583 | \r | |
1584 | InitializeListHead (&AcpiTableInstance->TableList);\r | |
1585 | AcpiTableInstance->CurrentHandle = 1;\r | |
1586 | \r | |
1587 | AcpiTableInstance->AcpiTableProtocol.InstallAcpiTable = InstallAcpiTable;\r | |
1588 | AcpiTableInstance->AcpiTableProtocol.UninstallAcpiTable = UninstallAcpiTable;\r | |
1589 | //\r | |
1590 | // Create RSDP, RSDT, XSDT structures\r | |
1591 | // Allocate all buffers\r | |
1592 | //\r | |
1593 | TotalSize = sizeof (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER) +\r | |
1594 | sizeof (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER) +\r | |
1595 | sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 1.0 RSDT\r | |
1596 | EFI_ACPI_MAX_NUM_TABLES * sizeof (UINT32) +\r | |
1597 | sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 2.0/3.0 RSDT\r | |
1598 | EFI_ACPI_MAX_NUM_TABLES * sizeof (UINT32) +\r | |
1599 | sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 2.0/3.0 XSDT\r | |
1600 | EFI_ACPI_MAX_NUM_TABLES * sizeof (UINT64);\r | |
1601 | \r | |
1602 | //\r | |
1603 | // Allocate memory in the lower 32 bit of address range for\r | |
1604 | // compatibility with ACPI 1.0 OS.\r | |
1605 | //\r | |
1606 | // This is done because ACPI 1.0 pointers are 32 bit values.\r | |
1607 | // ACPI 2.0 OS and all 64 bit OS must use the 64 bit ACPI table addresses.\r | |
1608 | // There is no architectural reason these should be below 4GB, it is purely\r | |
1609 | // for convenience of implementation that we force memory below 4GB.\r | |
1610 | //\r | |
1611 | PageAddress = 0xFFFFFFFF;\r | |
1612 | Status = gBS->AllocatePages (\r | |
1613 | AllocateMaxAddress,\r | |
1614 | EfiACPIReclaimMemory,\r | |
1615 | EFI_SIZE_TO_PAGES (TotalSize),\r | |
1616 | &PageAddress\r | |
1617 | );\r | |
1618 | \r | |
1619 | if (EFI_ERROR (Status)) {\r | |
1620 | return EFI_OUT_OF_RESOURCES;\r | |
1621 | }\r | |
1622 | \r | |
1623 | Pointer = (UINT8 *) (UINTN) PageAddress;\r | |
1624 | ZeroMem (Pointer, TotalSize);\r | |
1625 | \r | |
1626 | AcpiTableInstance->Rsdp1 = (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER *) Pointer;\r | |
1627 | Pointer += sizeof (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER);\r | |
1628 | AcpiTableInstance->Rsdp3 = (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER *) Pointer;\r | |
1629 | Pointer += sizeof (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER);\r | |
1630 | \r | |
1631 | AcpiTableInstance->Rsdt1 = (EFI_ACPI_DESCRIPTION_HEADER *) Pointer;\r | |
1632 | Pointer += (sizeof (EFI_ACPI_DESCRIPTION_HEADER) + EFI_ACPI_MAX_NUM_TABLES * sizeof (UINT32));\r | |
1633 | AcpiTableInstance->Rsdt3 = (EFI_ACPI_DESCRIPTION_HEADER *) Pointer;\r | |
1634 | Pointer += (sizeof (EFI_ACPI_DESCRIPTION_HEADER) + EFI_ACPI_MAX_NUM_TABLES * sizeof (UINT32));\r | |
1635 | \r | |
1636 | AcpiTableInstance->Xsdt = (EFI_ACPI_DESCRIPTION_HEADER *) Pointer;\r | |
1637 | \r | |
1638 | //\r | |
1639 | // Initialize RSDP\r | |
1640 | //\r | |
1641 | CurrentData = EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER_SIGNATURE;\r | |
1642 | CopyMem (&AcpiTableInstance->Rsdp1->Signature, &CurrentData, sizeof (UINT64));\r | |
1643 | CopyMem (AcpiTableInstance->Rsdp1->OemId, EFI_ACPI_OEM_ID, 6);\r | |
1644 | AcpiTableInstance->Rsdp1->Reserved = EFI_ACPI_RESERVED_BYTE;\r | |
1645 | AcpiTableInstance->Rsdp1->RsdtAddress = (UINT32) (UINTN) AcpiTableInstance->Rsdt1;\r | |
1646 | \r | |
1647 | CurrentData = EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER_SIGNATURE;\r | |
1648 | CopyMem (&AcpiTableInstance->Rsdp3->Signature, &CurrentData, sizeof (UINT64));\r | |
1649 | CopyMem (AcpiTableInstance->Rsdp3->OemId, EFI_ACPI_OEM_ID, 6);\r | |
1650 | AcpiTableInstance->Rsdp3->Revision = EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER_REVISION;\r | |
1651 | AcpiTableInstance->Rsdp3->RsdtAddress = (UINT32) (UINTN) AcpiTableInstance->Rsdt3;\r | |
1652 | AcpiTableInstance->Rsdp3->Length = sizeof (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER);\r | |
1653 | CurrentData = (UINT64) (UINTN) AcpiTableInstance->Xsdt;\r | |
1654 | CopyMem (&AcpiTableInstance->Rsdp3->XsdtAddress, &CurrentData, sizeof (UINT64));\r | |
1655 | SetMem (AcpiTableInstance->Rsdp3->Reserved, 3, EFI_ACPI_RESERVED_BYTE);\r | |
1656 | \r | |
1657 | //\r | |
1658 | // Initialize Rsdt\r | |
1659 | //\r | |
1660 | // Note that we "reserve" one entry for the FADT so it can always be\r | |
1661 | // at the beginning of the list of tables. Some OS don't seem\r | |
1662 | // to find it correctly if it is too far down the list.\r | |
1663 | //\r | |
1664 | AcpiTableInstance->Rsdt1->Signature = EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_TABLE_SIGNATURE;\r | |
1665 | AcpiTableInstance->Rsdt1->Length = sizeof (EFI_ACPI_DESCRIPTION_HEADER);\r | |
1666 | AcpiTableInstance->Rsdt1->Revision = EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_TABLE_REVISION;\r | |
1667 | CopyMem (AcpiTableInstance->Rsdt1->OemId, EFI_ACPI_OEM_ID, 6);\r | |
1668 | CurrentData = EFI_ACPI_OEM_TABLE_ID;\r | |
1669 | CopyMem (&AcpiTableInstance->Rsdt1->OemTableId, &CurrentData, sizeof (UINT64));\r | |
1670 | AcpiTableInstance->Rsdt1->OemRevision = EFI_ACPI_OEM_REVISION;\r | |
1671 | AcpiTableInstance->Rsdt1->CreatorId = EFI_ACPI_CREATOR_ID;\r | |
1672 | AcpiTableInstance->Rsdt1->CreatorRevision = EFI_ACPI_CREATOR_REVISION;\r | |
1673 | //\r | |
1674 | // We always reserve first one for FADT\r | |
1675 | //\r | |
1676 | AcpiTableInstance->NumberOfTableEntries1 = 1;\r | |
1677 | AcpiTableInstance->Rsdt1->Length = AcpiTableInstance->Rsdt1->Length + sizeof(UINT32);\r | |
1678 | \r | |
1679 | AcpiTableInstance->Rsdt3->Signature = EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_TABLE_SIGNATURE;\r | |
1680 | AcpiTableInstance->Rsdt3->Length = sizeof (EFI_ACPI_DESCRIPTION_HEADER);\r | |
1681 | AcpiTableInstance->Rsdt3->Revision = EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_TABLE_REVISION;\r | |
1682 | CopyMem (AcpiTableInstance->Rsdt3->OemId, EFI_ACPI_OEM_ID, 6);\r | |
1683 | CurrentData = EFI_ACPI_OEM_TABLE_ID;\r | |
1684 | CopyMem (&AcpiTableInstance->Rsdt3->OemTableId, &CurrentData, sizeof (UINT64));\r | |
1685 | AcpiTableInstance->Rsdt3->OemRevision = EFI_ACPI_OEM_REVISION;\r | |
1686 | AcpiTableInstance->Rsdt3->CreatorId = EFI_ACPI_CREATOR_ID;\r | |
1687 | AcpiTableInstance->Rsdt3->CreatorRevision = EFI_ACPI_CREATOR_REVISION;\r | |
1688 | //\r | |
1689 | // We always reserve first one for FADT\r | |
1690 | //\r | |
1691 | AcpiTableInstance->NumberOfTableEntries3 = 1;\r | |
1692 | AcpiTableInstance->Rsdt3->Length = AcpiTableInstance->Rsdt3->Length + sizeof(UINT32);\r | |
1693 | \r | |
1694 | //\r | |
1695 | // Initialize Xsdt\r | |
1696 | //\r | |
1697 | AcpiTableInstance->Xsdt->Signature = EFI_ACPI_3_0_EXTENDED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE;\r | |
1698 | AcpiTableInstance->Xsdt->Length = sizeof (EFI_ACPI_DESCRIPTION_HEADER);\r | |
1699 | AcpiTableInstance->Xsdt->Revision = EFI_ACPI_3_0_EXTENDED_SYSTEM_DESCRIPTION_TABLE_REVISION;\r | |
1700 | CopyMem (AcpiTableInstance->Xsdt->OemId, EFI_ACPI_OEM_ID, 6);\r | |
1701 | CurrentData = EFI_ACPI_OEM_TABLE_ID;\r | |
1702 | CopyMem (&AcpiTableInstance->Xsdt->OemTableId, &CurrentData, sizeof (UINT64));\r | |
1703 | AcpiTableInstance->Xsdt->OemRevision = EFI_ACPI_OEM_REVISION;\r | |
1704 | AcpiTableInstance->Xsdt->CreatorId = EFI_ACPI_CREATOR_ID;\r | |
1705 | AcpiTableInstance->Xsdt->CreatorRevision = EFI_ACPI_CREATOR_REVISION;\r | |
1706 | //\r | |
1707 | // We always reserve first one for FADT\r | |
1708 | //\r | |
1709 | AcpiTableInstance->Xsdt->Length = AcpiTableInstance->Xsdt->Length + sizeof(UINT64);\r | |
1710 | \r | |
1711 | ChecksumCommonTables (AcpiTableInstance);\r | |
1712 | \r | |
1713 | //\r | |
1714 | // Completed successfully\r | |
1715 | //\r | |
1716 | return EFI_SUCCESS;\r | |
1717 | }\r | |
1718 | \r |