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5f55c700 | 1 | /** @file\r |
2 | ACPI Table Protocol Implementation\r | |
3 | \r | |
f0071740 | 4 | Copyright (c) 2006 - 2015, 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 | |
5f55c700 | 101 | /**\r |
102 | This function publishes the specified versions of the ACPI tables by\r | |
103 | installing EFI configuration table entries for them. Any combination of\r | |
104 | table versions can be published.\r | |
105 | \r | |
106 | @param AcpiTableInstance Instance of the protocol.\r | |
107 | @param Version Version(s) to publish.\r | |
108 | \r | |
109 | @return EFI_SUCCESS The function completed successfully.\r | |
110 | @return EFI_ABORTED The function could not complete successfully.\r | |
111 | \r | |
112 | **/\r | |
113 | EFI_STATUS\r | |
114 | EFIAPI\r | |
115 | PublishTables (\r | |
116 | IN EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance,\r | |
117 | IN EFI_ACPI_TABLE_VERSION Version\r | |
118 | )\r | |
119 | {\r | |
120 | EFI_STATUS Status;\r | |
121 | UINT32 *CurrentRsdtEntry;\r | |
122 | VOID *CurrentXsdtEntry;\r | |
123 | UINT64 Buffer64;\r | |
124 | \r | |
125 | //\r | |
126 | // Reorder tables as some operating systems don't seem to find the\r | |
127 | // FADT correctly if it is not in the first few entries\r | |
128 | //\r | |
129 | \r | |
130 | //\r | |
131 | // Add FADT as the first entry\r | |
132 | //\r | |
133 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
134 | CurrentRsdtEntry = (UINT32 *) ((UINT8 *) AcpiTableInstance->Rsdt1 + sizeof (EFI_ACPI_DESCRIPTION_HEADER));\r | |
135 | *CurrentRsdtEntry = (UINT32) (UINTN) AcpiTableInstance->Fadt1;\r | |
136 | }\r | |
f0071740 | 137 | if ((Version & ACPI_TABLE_VERSION_GTE_2_0) != 0) {\r |
5f55c700 | 138 | CurrentRsdtEntry = (UINT32 *) ((UINT8 *) AcpiTableInstance->Rsdt3 + sizeof (EFI_ACPI_DESCRIPTION_HEADER));\r |
139 | *CurrentRsdtEntry = (UINT32) (UINTN) AcpiTableInstance->Fadt3;\r | |
140 | CurrentXsdtEntry = (VOID *) ((UINT8 *) AcpiTableInstance->Xsdt + sizeof (EFI_ACPI_DESCRIPTION_HEADER));\r | |
141 | //\r | |
142 | // Add entry to XSDT, XSDT expects 64 bit pointers, but\r | |
143 | // the table pointers in XSDT are not aligned on 8 byte boundary.\r | |
144 | //\r | |
145 | Buffer64 = (UINT64) (UINTN) AcpiTableInstance->Fadt3;\r | |
146 | CopyMem (\r | |
147 | CurrentXsdtEntry,\r | |
148 | &Buffer64,\r | |
149 | sizeof (UINT64)\r | |
150 | );\r | |
151 | }\r | |
152 | \r | |
153 | //\r | |
154 | // Do checksum again because Dsdt/Xsdt is updated.\r | |
155 | //\r | |
156 | ChecksumCommonTables (AcpiTableInstance);\r | |
157 | \r | |
158 | //\r | |
159 | // Add the RSD_PTR to the system table and store that we have installed the\r | |
160 | // tables.\r | |
161 | //\r | |
01267e22 | 162 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r |
5f55c700 | 163 | Status = gBS->InstallConfigurationTable (&gEfiAcpi10TableGuid, AcpiTableInstance->Rsdp1);\r |
164 | if (EFI_ERROR (Status)) {\r | |
165 | return EFI_ABORTED;\r | |
166 | }\r | |
5f55c700 | 167 | }\r |
168 | \r | |
01267e22 | 169 | if ((Version & ACPI_TABLE_VERSION_GTE_2_0) != 0) {\r |
5f55c700 | 170 | Status = gBS->InstallConfigurationTable (&gEfiAcpiTableGuid, AcpiTableInstance->Rsdp3);\r |
171 | if (EFI_ERROR (Status)) {\r | |
172 | return EFI_ABORTED;\r | |
173 | }\r | |
5f55c700 | 174 | }\r |
175 | \r | |
176 | return EFI_SUCCESS;\r | |
177 | }\r | |
178 | \r | |
179 | \r | |
180 | /**\r | |
181 | Installs an ACPI table into the RSDT/XSDT.\r | |
2fd3009f | 182 | Note that the ACPI table should be checksumed before installing it.\r |
183 | Otherwise it will assert.\r | |
5f55c700 | 184 | \r |
185 | @param This Protocol instance pointer.\r | |
186 | @param AcpiTableBuffer A pointer to a buffer containing the ACPI table to be installed.\r | |
187 | @param AcpiTableBufferSize Specifies the size, in bytes, of the AcpiTableBuffer buffer.\r | |
188 | @param TableKey Reurns a key to refer to the ACPI table.\r | |
189 | \r | |
190 | @return EFI_SUCCESS The table was successfully inserted.\r | |
191 | @return EFI_INVALID_PARAMETER Either AcpiTableBuffer is NULL, TableKey is NULL, or AcpiTableBufferSize \r | |
192 | and the size field embedded in the ACPI table pointed to by AcpiTableBuffer\r | |
193 | are not in sync.\r | |
194 | @return EFI_OUT_OF_RESOURCES Insufficient resources exist to complete the request.\r | |
5966402e SZ |
195 | @retval EFI_ACCESS_DENIED The table signature matches a table already\r |
196 | present in the system and platform policy\r | |
197 | does not allow duplicate tables of this type.\r | |
5f55c700 | 198 | \r |
199 | **/\r | |
200 | EFI_STATUS\r | |
201 | EFIAPI\r | |
202 | InstallAcpiTable (\r | |
db0f0d3c | 203 | IN EFI_ACPI_TABLE_PROTOCOL *This,\r |
204 | IN VOID *AcpiTableBuffer,\r | |
205 | IN UINTN AcpiTableBufferSize,\r | |
206 | OUT UINTN *TableKey\r | |
5f55c700 | 207 | )\r |
208 | {\r | |
209 | EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance;\r | |
210 | EFI_STATUS Status;\r | |
211 | VOID *AcpiTableBufferConst;\r | |
212 | \r | |
213 | //\r | |
214 | // Check for invalid input parameters\r | |
215 | //\r | |
216 | if ((AcpiTableBuffer == NULL) || (TableKey == NULL)\r | |
217 | || (((EFI_ACPI_DESCRIPTION_HEADER *) AcpiTableBuffer)->Length != AcpiTableBufferSize)) {\r | |
218 | return EFI_INVALID_PARAMETER;\r | |
219 | }\r | |
220 | \r | |
221 | //\r | |
222 | // Get the instance of the ACPI table protocol\r | |
223 | //\r | |
224 | AcpiTableInstance = EFI_ACPI_TABLE_INSTANCE_FROM_THIS (This);\r | |
225 | \r | |
226 | //\r | |
227 | // Install the ACPI table\r | |
228 | //\r | |
229 | AcpiTableBufferConst = AllocateCopyPool (AcpiTableBufferSize,AcpiTableBuffer);\r | |
230 | *TableKey = 0;\r | |
5966402e | 231 | Status = AddTableToList (\r |
5f55c700 | 232 | AcpiTableInstance,\r |
233 | AcpiTableBufferConst,\r | |
71824dd8 | 234 | TRUE,\r |
f0071740 | 235 | EFI_ACPI_TABLE_VERSION_1_0B | ACPI_TABLE_VERSION_GTE_2_0,\r |
5f55c700 | 236 | TableKey\r |
237 | );\r | |
238 | if (!EFI_ERROR (Status)) {\r | |
239 | Status = PublishTables (\r | |
240 | AcpiTableInstance,\r | |
f0071740 | 241 | EFI_ACPI_TABLE_VERSION_1_0B | ACPI_TABLE_VERSION_GTE_2_0\r |
5f55c700 | 242 | );\r |
243 | }\r | |
244 | FreePool (AcpiTableBufferConst);\r | |
245 | \r | |
3dc8585e JY |
246 | //\r |
247 | // Add a new table successfully, notify registed callback\r | |
248 | //\r | |
249 | if (FeaturePcdGet (PcdInstallAcpiSdtProtocol)) {\r | |
250 | if (!EFI_ERROR (Status)) {\r | |
251 | SdtNotifyAcpiList (\r | |
252 | AcpiTableInstance,\r | |
f0071740 | 253 | EFI_ACPI_TABLE_VERSION_1_0B | ACPI_TABLE_VERSION_GTE_2_0,\r |
3dc8585e JY |
254 | *TableKey\r |
255 | );\r | |
256 | }\r | |
257 | }\r | |
258 | \r | |
5f55c700 | 259 | return Status;\r |
260 | }\r | |
261 | \r | |
262 | \r | |
263 | /**\r | |
264 | Removes an ACPI table from the RSDT/XSDT.\r | |
265 | \r | |
266 | @param This Protocol instance pointer.\r | |
267 | @param TableKey Specifies the table to uninstall. The key was returned from InstallAcpiTable().\r | |
268 | \r | |
269 | @return EFI_SUCCESS The table was successfully uninstalled.\r | |
270 | @return EFI_NOT_FOUND TableKey does not refer to a valid key for a table entry.\r | |
271 | \r | |
272 | **/\r | |
273 | EFI_STATUS\r | |
274 | EFIAPI\r | |
275 | UninstallAcpiTable (\r | |
db0f0d3c | 276 | IN EFI_ACPI_TABLE_PROTOCOL *This,\r |
277 | IN UINTN TableKey\r | |
5f55c700 | 278 | )\r |
279 | {\r | |
280 | EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance;\r | |
281 | EFI_STATUS Status;\r | |
282 | \r | |
283 | //\r | |
284 | // Get the instance of the ACPI table protocol\r | |
285 | //\r | |
286 | AcpiTableInstance = EFI_ACPI_TABLE_INSTANCE_FROM_THIS (This);\r | |
287 | \r | |
288 | //\r | |
289 | // Uninstall the ACPI table\r | |
290 | //\r | |
5966402e | 291 | Status = RemoveTableFromList (\r |
5f55c700 | 292 | AcpiTableInstance,\r |
f0071740 | 293 | EFI_ACPI_TABLE_VERSION_1_0B | ACPI_TABLE_VERSION_GTE_2_0,\r |
5966402e | 294 | TableKey\r |
5f55c700 | 295 | );\r |
296 | if (!EFI_ERROR (Status)) {\r | |
297 | Status = PublishTables (\r | |
298 | AcpiTableInstance,\r | |
f0071740 | 299 | EFI_ACPI_TABLE_VERSION_1_0B | ACPI_TABLE_VERSION_GTE_2_0\r |
5f55c700 | 300 | );\r |
301 | }\r | |
302 | \r | |
303 | if (EFI_ERROR (Status)) {\r | |
304 | return EFI_NOT_FOUND;\r | |
305 | } else {\r | |
306 | return EFI_SUCCESS;\r | |
307 | }\r | |
308 | }\r | |
309 | \r | |
da935a5c | 310 | /**\r |
311 | If the number of APCI tables exceeds the preallocated max table number, enlarge the table buffer.\r | |
312 | \r | |
313 | @param AcpiTableInstance ACPI table protocol instance data structure.\r | |
314 | \r | |
315 | @return EFI_SUCCESS reallocate the table beffer successfully.\r | |
316 | @return EFI_OUT_OF_RESOURCES Unable to allocate required resources.\r | |
317 | \r | |
318 | **/\r | |
319 | EFI_STATUS\r | |
320 | ReallocateAcpiTableBuffer (\r | |
321 | IN EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance\r | |
322 | )\r | |
323 | {\r | |
324 | UINTN NewMaxTableNumber;\r | |
325 | UINTN TotalSize;\r | |
326 | UINT8 *Pointer;\r | |
327 | EFI_PHYSICAL_ADDRESS PageAddress;\r | |
328 | EFI_ACPI_TABLE_INSTANCE TempPrivateData;\r | |
329 | EFI_STATUS Status;\r | |
330 | UINT64 CurrentData;\r | |
331 | \r | |
332 | CopyMem (&TempPrivateData, AcpiTableInstance, sizeof (EFI_ACPI_TABLE_INSTANCE)); \r | |
333 | //\r | |
334 | // Enlarge the max table number from mEfiAcpiMaxNumTables to mEfiAcpiMaxNumTables + EFI_ACPI_MAX_NUM_TABLES\r | |
335 | //\r | |
336 | NewMaxTableNumber = mEfiAcpiMaxNumTables + EFI_ACPI_MAX_NUM_TABLES;\r | |
337 | //\r | |
37abfb7e | 338 | // Create RSDT, XSDT structures and allocate buffers.\r |
da935a5c | 339 | //\r |
37abfb7e LG |
340 | TotalSize = sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 1.0 RSDT\r |
341 | NewMaxTableNumber * sizeof (UINT32) +\r | |
342 | sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 2.0/3.0 RSDT\r | |
343 | NewMaxTableNumber * sizeof (UINT32) +\r | |
344 | sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 2.0/3.0 XSDT\r | |
345 | NewMaxTableNumber * sizeof (UINT64);\r | |
da935a5c | 346 | \r |
347 | //\r | |
348 | // Allocate memory in the lower 32 bit of address range for\r | |
349 | // compatibility with ACPI 1.0 OS.\r | |
350 | //\r | |
351 | // This is done because ACPI 1.0 pointers are 32 bit values.\r | |
352 | // ACPI 2.0 OS and all 64 bit OS must use the 64 bit ACPI table addresses.\r | |
353 | // There is no architectural reason these should be below 4GB, it is purely\r | |
354 | // for convenience of implementation that we force memory below 4GB.\r | |
355 | //\r | |
356 | PageAddress = 0xFFFFFFFF;\r | |
357 | Status = gBS->AllocatePages (\r | |
358 | AllocateMaxAddress,\r | |
359 | EfiACPIReclaimMemory,\r | |
360 | EFI_SIZE_TO_PAGES (TotalSize),\r | |
361 | &PageAddress\r | |
362 | );\r | |
363 | \r | |
364 | if (EFI_ERROR (Status)) {\r | |
365 | return EFI_OUT_OF_RESOURCES;\r | |
366 | }\r | |
367 | \r | |
368 | Pointer = (UINT8 *) (UINTN) PageAddress;\r | |
369 | ZeroMem (Pointer, TotalSize);\r | |
370 | \r | |
da935a5c | 371 | AcpiTableInstance->Rsdt1 = (EFI_ACPI_DESCRIPTION_HEADER *) Pointer;\r |
372 | Pointer += (sizeof (EFI_ACPI_DESCRIPTION_HEADER) + NewMaxTableNumber * sizeof (UINT32));\r | |
373 | AcpiTableInstance->Rsdt3 = (EFI_ACPI_DESCRIPTION_HEADER *) Pointer;\r | |
374 | Pointer += (sizeof (EFI_ACPI_DESCRIPTION_HEADER) + NewMaxTableNumber * sizeof (UINT32));\r | |
da935a5c | 375 | AcpiTableInstance->Xsdt = (EFI_ACPI_DESCRIPTION_HEADER *) Pointer;\r |
5f55c700 | 376 | \r |
da935a5c | 377 | //\r |
37abfb7e | 378 | // Update RSDP to point to the new Rsdt and Xsdt address.\r |
da935a5c | 379 | //\r |
da935a5c | 380 | AcpiTableInstance->Rsdp1->RsdtAddress = (UINT32) (UINTN) AcpiTableInstance->Rsdt1;\r |
da935a5c | 381 | AcpiTableInstance->Rsdp3->RsdtAddress = (UINT32) (UINTN) AcpiTableInstance->Rsdt3;\r |
382 | CurrentData = (UINT64) (UINTN) AcpiTableInstance->Xsdt;\r | |
383 | CopyMem (&AcpiTableInstance->Rsdp3->XsdtAddress, &CurrentData, sizeof (UINT64));\r | |
384 | \r | |
385 | //\r | |
386 | // copy the original Rsdt1, Rsdt3 and Xsdt structure to new buffer \r | |
387 | //\r | |
388 | CopyMem (AcpiTableInstance->Rsdt1, TempPrivateData.Rsdt1, (sizeof (EFI_ACPI_DESCRIPTION_HEADER) + mEfiAcpiMaxNumTables * sizeof (UINT32))); \r | |
389 | CopyMem (AcpiTableInstance->Rsdt3, TempPrivateData.Rsdt3, (sizeof (EFI_ACPI_DESCRIPTION_HEADER) + mEfiAcpiMaxNumTables * sizeof (UINT32))); \r | |
390 | CopyMem (AcpiTableInstance->Xsdt, TempPrivateData.Xsdt, (sizeof (EFI_ACPI_DESCRIPTION_HEADER) + mEfiAcpiMaxNumTables * sizeof (UINT64)));\r | |
391 | \r | |
392 | //\r | |
393 | // Calculate orignal ACPI table buffer size\r | |
394 | //\r | |
37abfb7e LG |
395 | TotalSize = sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 1.0 RSDT\r |
396 | mEfiAcpiMaxNumTables * sizeof (UINT32) +\r | |
397 | sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 2.0/3.0 RSDT\r | |
398 | mEfiAcpiMaxNumTables * sizeof (UINT32) +\r | |
399 | sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 2.0/3.0 XSDT\r | |
400 | mEfiAcpiMaxNumTables * sizeof (UINT64);\r | |
401 | gBS->FreePages ((EFI_PHYSICAL_ADDRESS)(UINTN)TempPrivateData.Rsdt1, EFI_SIZE_TO_PAGES (TotalSize));\r | |
da935a5c | 402 | \r |
403 | //\r | |
404 | // Update the Max ACPI table number\r | |
405 | // \r | |
406 | mEfiAcpiMaxNumTables = NewMaxTableNumber;\r | |
407 | return EFI_SUCCESS;\r | |
408 | }\r | |
5f55c700 | 409 | /**\r |
410 | This function adds an ACPI table to the table list. It will detect FACS and\r | |
411 | allocate the correct type of memory and properly align the table.\r | |
412 | \r | |
413 | @param AcpiTableInstance Instance of the protocol.\r | |
414 | @param Table Table to add.\r | |
415 | @param Checksum Does the table require checksumming.\r | |
416 | @param Version The version of the list to add the table to.\r | |
417 | @param Handle Pointer for returning the handle.\r | |
418 | \r | |
419 | @return EFI_SUCCESS The function completed successfully.\r | |
420 | @return EFI_OUT_OF_RESOURCES Could not allocate a required resource.\r | |
5966402e SZ |
421 | @retval EFI_ACCESS_DENIED The table signature matches a table already\r |
422 | present in the system and platform policy\r | |
423 | does not allow duplicate tables of this type.\r | |
5f55c700 | 424 | \r |
425 | **/\r | |
426 | EFI_STATUS\r | |
427 | AddTableToList (\r | |
428 | IN EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance,\r | |
429 | IN VOID *Table,\r | |
430 | IN BOOLEAN Checksum,\r | |
431 | IN EFI_ACPI_TABLE_VERSION Version,\r | |
432 | OUT UINTN *Handle\r | |
433 | )\r | |
434 | {\r | |
435 | EFI_STATUS Status;\r | |
436 | EFI_ACPI_TABLE_LIST *CurrentTableList;\r | |
437 | UINT32 CurrentTableSignature;\r | |
438 | UINT32 CurrentTableSize;\r | |
439 | UINT32 *CurrentRsdtEntry;\r | |
440 | VOID *CurrentXsdtEntry;\r | |
441 | UINT64 Buffer64;\r | |
442 | BOOLEAN AddToRsdt;\r | |
443 | \r | |
444 | //\r | |
445 | // Check for invalid input parameters\r | |
446 | //\r | |
447 | ASSERT (AcpiTableInstance);\r | |
448 | ASSERT (Table);\r | |
449 | ASSERT (Handle);\r | |
450 | \r | |
451 | //\r | |
452 | // Init locals\r | |
453 | //\r | |
454 | AddToRsdt = TRUE;\r | |
455 | \r | |
456 | //\r | |
457 | // Create a new list entry\r | |
458 | //\r | |
459 | CurrentTableList = AllocatePool (sizeof (EFI_ACPI_TABLE_LIST));\r | |
460 | ASSERT (CurrentTableList);\r | |
461 | \r | |
462 | //\r | |
463 | // Determine table type and size\r | |
464 | //\r | |
465 | CurrentTableSignature = ((EFI_ACPI_COMMON_HEADER *) Table)->Signature;\r | |
466 | CurrentTableSize = ((EFI_ACPI_COMMON_HEADER *) Table)->Length;\r | |
467 | \r | |
468 | //\r | |
469 | // Allocate a buffer for the table. All tables are allocated in the lower 32 bits of address space\r | |
470 | // for backwards compatibility with ACPI 1.0 OS.\r | |
471 | //\r | |
472 | // This is done because ACPI 1.0 pointers are 32 bit values.\r | |
473 | // ACPI 2.0 OS and all 64 bit OS must use the 64 bit ACPI table addresses.\r | |
474 | // There is no architectural reason these should be below 4GB, it is purely\r | |
475 | // for convenience of implementation that we force memory below 4GB.\r | |
476 | //\r | |
477 | CurrentTableList->PageAddress = 0xFFFFFFFF;\r | |
478 | CurrentTableList->NumberOfPages = EFI_SIZE_TO_PAGES (CurrentTableSize);\r | |
479 | \r | |
480 | //\r | |
481 | // Allocation memory type depends on the type of the table\r | |
482 | //\r | |
36d58153 JY |
483 | if ((CurrentTableSignature == EFI_ACPI_2_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE) || \r |
484 | (CurrentTableSignature == EFI_ACPI_4_0_UEFI_ACPI_DATA_TABLE_SIGNATURE)) {\r | |
5f55c700 | 485 | //\r |
486 | // Allocate memory for the FACS. This structure must be aligned\r | |
487 | // on a 64 byte boundary and must be ACPI NVS memory.\r | |
488 | // Using AllocatePages should ensure that it is always aligned.\r | |
36d58153 JY |
489 | // Do not change signature for new ACPI version because they are same.\r |
490 | //\r | |
491 | // UEFI table also need to be in ACPI NVS memory, because some data field\r | |
492 | // could be updated by OS present agent. For example, BufferPtrAddress in\r | |
493 | // SMM communication ACPI table.\r | |
5f55c700 | 494 | //\r |
495 | ASSERT ((EFI_PAGE_SIZE % 64) == 0);\r | |
496 | Status = gBS->AllocatePages (\r | |
497 | AllocateMaxAddress,\r | |
498 | EfiACPIMemoryNVS,\r | |
499 | CurrentTableList->NumberOfPages,\r | |
500 | &CurrentTableList->PageAddress\r | |
501 | );\r | |
502 | } else {\r | |
503 | //\r | |
504 | // All other tables are ACPI reclaim memory, no alignment requirements.\r | |
505 | //\r | |
506 | Status = gBS->AllocatePages (\r | |
507 | AllocateMaxAddress,\r | |
508 | EfiACPIReclaimMemory,\r | |
509 | CurrentTableList->NumberOfPages,\r | |
510 | &CurrentTableList->PageAddress\r | |
511 | );\r | |
512 | }\r | |
513 | //\r | |
514 | // Check return value from memory alloc.\r | |
515 | //\r | |
516 | if (EFI_ERROR (Status)) {\r | |
517 | gBS->FreePool (CurrentTableList);\r | |
518 | return EFI_OUT_OF_RESOURCES;\r | |
519 | }\r | |
520 | //\r | |
521 | // Update the table pointer with the allocated memory start\r | |
522 | //\r | |
523 | CurrentTableList->Table = (EFI_ACPI_COMMON_HEADER *) (UINTN) CurrentTableList->PageAddress;\r | |
524 | \r | |
525 | //\r | |
526 | // Initialize the table contents\r | |
527 | //\r | |
528 | CurrentTableList->Signature = EFI_ACPI_TABLE_LIST_SIGNATURE;\r | |
529 | CopyMem (CurrentTableList->Table, Table, CurrentTableSize);\r | |
530 | CurrentTableList->Handle = AcpiTableInstance->CurrentHandle++;\r | |
531 | *Handle = CurrentTableList->Handle;\r | |
532 | CurrentTableList->Version = Version;\r | |
533 | \r | |
534 | //\r | |
535 | // Update internal pointers if this is a required table. If it is a required\r | |
536 | // table and a table of that type already exists, return an error.\r | |
537 | //\r | |
538 | // Calculate the checksum if the table is not FACS.\r | |
539 | //\r | |
540 | switch (CurrentTableSignature) {\r | |
541 | \r | |
542 | case EFI_ACPI_1_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE:\r | |
543 | //\r | |
544 | // We don't add the FADT in the standard way because some\r | |
545 | // OS expect the FADT to be early in the table list.\r | |
546 | // So we always add it as the first element in the list.\r | |
547 | //\r | |
548 | AddToRsdt = FALSE;\r | |
549 | \r | |
550 | //\r | |
551 | // Check that the table has not been previously added.\r | |
552 | //\r | |
553 | if (((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0 && AcpiTableInstance->Fadt1 != NULL) ||\r | |
f0071740 | 554 | ((Version & ACPI_TABLE_VERSION_GTE_2_0) != 0 && AcpiTableInstance->Fadt3 != NULL)\r |
5f55c700 | 555 | ) {\r |
556 | gBS->FreePages (CurrentTableList->PageAddress, CurrentTableList->NumberOfPages);\r | |
557 | gBS->FreePool (CurrentTableList);\r | |
5966402e | 558 | return EFI_ACCESS_DENIED;\r |
5f55c700 | 559 | }\r |
560 | //\r | |
561 | // Add the table to the appropriate table version\r | |
562 | //\r | |
563 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
564 | //\r | |
565 | // Save a pointer to the table\r | |
566 | //\r | |
567 | AcpiTableInstance->Fadt1 = (EFI_ACPI_1_0_FIXED_ACPI_DESCRIPTION_TABLE *) CurrentTableList->Table;\r | |
568 | \r | |
569 | //\r | |
570 | // Update pointers in FADT. If tables don't exist this will put NULL pointers there.\r | |
571 | //\r | |
572 | AcpiTableInstance->Fadt1->FirmwareCtrl = (UINT32) (UINTN) AcpiTableInstance->Facs1;\r | |
573 | AcpiTableInstance->Fadt1->Dsdt = (UINT32) (UINTN) AcpiTableInstance->Dsdt1;\r | |
574 | \r | |
575 | //\r | |
576 | // RSDP OEM information is updated to match the FADT OEM information\r | |
577 | //\r | |
578 | CopyMem (\r | |
579 | &AcpiTableInstance->Rsdp1->OemId,\r | |
580 | &AcpiTableInstance->Fadt1->Header.OemId,\r | |
581 | 6\r | |
582 | );\r | |
583 | \r | |
584 | //\r | |
585 | // RSDT OEM information is updated to match the FADT OEM information.\r | |
586 | //\r | |
587 | CopyMem (\r | |
588 | &AcpiTableInstance->Rsdt1->OemId,\r | |
589 | &AcpiTableInstance->Fadt1->Header.OemId,\r | |
590 | 6\r | |
591 | );\r | |
592 | \r | |
593 | CopyMem (\r | |
594 | &AcpiTableInstance->Rsdt1->OemTableId,\r | |
595 | &AcpiTableInstance->Fadt1->Header.OemTableId,\r | |
596 | sizeof (UINT64)\r | |
597 | );\r | |
598 | AcpiTableInstance->Rsdt1->OemRevision = AcpiTableInstance->Fadt1->Header.OemRevision;\r | |
599 | }\r | |
600 | \r | |
f0071740 | 601 | if ((Version & ACPI_TABLE_VERSION_GTE_2_0) != 0) {\r |
5f55c700 | 602 | //\r |
603 | // Save a pointer to the table\r | |
604 | //\r | |
605 | AcpiTableInstance->Fadt3 = (EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE *) CurrentTableList->Table;\r | |
606 | \r | |
607 | //\r | |
608 | // Update pointers in FADT. If tables don't exist this will put NULL pointers there.\r | |
c93776c2 JY |
609 | // Note: If the FIRMWARE_CTRL is non-zero, then X_FIRMWARE_CTRL must be zero, and \r |
610 | // vice-versa.\r | |
5f55c700 | 611 | //\r |
10342a64 | 612 | if ((UINT64)(UINTN)AcpiTableInstance->Facs3 < BASE_4GB) {\r |
c93776c2 | 613 | AcpiTableInstance->Fadt3->FirmwareCtrl = (UINT32) (UINTN) AcpiTableInstance->Facs3;\r |
f798e8bf | 614 | ZeroMem (&AcpiTableInstance->Fadt3->XFirmwareCtrl, sizeof (UINT64));\r |
c93776c2 JY |
615 | } else {\r |
616 | Buffer64 = (UINT64) (UINTN) AcpiTableInstance->Facs3;\r | |
617 | CopyMem (\r | |
618 | &AcpiTableInstance->Fadt3->XFirmwareCtrl,\r | |
619 | &Buffer64,\r | |
620 | sizeof (UINT64)\r | |
621 | );\r | |
f798e8bf | 622 | AcpiTableInstance->Fadt3->FirmwareCtrl = 0;\r |
c93776c2 | 623 | }\r |
f0c855b2 | 624 | AcpiTableInstance->Fadt3->Dsdt = (UINT32) (UINTN) AcpiTableInstance->Dsdt3;\r |
625 | Buffer64 = (UINT64) (UINTN) AcpiTableInstance->Dsdt3;\r | |
626 | CopyMem (\r | |
627 | &AcpiTableInstance->Fadt3->XDsdt,\r | |
628 | &Buffer64,\r | |
629 | sizeof (UINT64)\r | |
630 | );\r | |
5f55c700 | 631 | \r |
f0c855b2 | 632 | //\r |
633 | // RSDP OEM information is updated to match the FADT OEM information\r | |
634 | //\r | |
635 | CopyMem (\r | |
636 | &AcpiTableInstance->Rsdp3->OemId,\r | |
637 | &AcpiTableInstance->Fadt3->Header.OemId,\r | |
638 | 6\r | |
639 | );\r | |
640 | \r | |
641 | //\r | |
642 | // RSDT OEM information is updated to match FADT OEM information.\r | |
643 | //\r | |
644 | CopyMem (\r | |
645 | &AcpiTableInstance->Rsdt3->OemId,\r | |
646 | &AcpiTableInstance->Fadt3->Header.OemId,\r | |
647 | 6\r | |
648 | );\r | |
649 | CopyMem (\r | |
650 | &AcpiTableInstance->Rsdt3->OemTableId,\r | |
651 | &AcpiTableInstance->Fadt3->Header.OemTableId,\r | |
652 | sizeof (UINT64)\r | |
653 | );\r | |
654 | AcpiTableInstance->Rsdt3->OemRevision = AcpiTableInstance->Fadt3->Header.OemRevision;\r | |
655 | \r | |
656 | //\r | |
657 | // XSDT OEM information is updated to match FADT OEM information.\r | |
658 | //\r | |
659 | CopyMem (\r | |
660 | &AcpiTableInstance->Xsdt->OemId,\r | |
661 | &AcpiTableInstance->Fadt3->Header.OemId,\r | |
662 | 6\r | |
663 | );\r | |
664 | CopyMem (\r | |
665 | &AcpiTableInstance->Xsdt->OemTableId,\r | |
666 | &AcpiTableInstance->Fadt3->Header.OemTableId,\r | |
667 | sizeof (UINT64)\r | |
668 | );\r | |
669 | AcpiTableInstance->Xsdt->OemRevision = AcpiTableInstance->Fadt3->Header.OemRevision;\r | |
5f55c700 | 670 | } \r |
671 | //\r | |
672 | // Checksum the table\r | |
673 | //\r | |
674 | if (Checksum) {\r | |
675 | AcpiPlatformChecksum (\r | |
676 | CurrentTableList->Table,\r | |
677 | CurrentTableList->Table->Length,\r | |
678 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
679 | Checksum)\r | |
680 | );\r | |
681 | }\r | |
682 | break;\r | |
683 | \r | |
684 | case EFI_ACPI_1_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE:\r | |
685 | //\r | |
686 | // Check that the table has not been previously added.\r | |
687 | //\r | |
688 | if (((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0 && AcpiTableInstance->Facs1 != NULL) ||\r | |
f0071740 | 689 | ((Version & ACPI_TABLE_VERSION_GTE_2_0) != 0 && AcpiTableInstance->Facs3 != NULL)\r |
5f55c700 | 690 | ) {\r |
691 | gBS->FreePages (CurrentTableList->PageAddress, CurrentTableList->NumberOfPages);\r | |
692 | gBS->FreePool (CurrentTableList);\r | |
5966402e | 693 | return EFI_ACCESS_DENIED;\r |
5f55c700 | 694 | }\r |
695 | //\r | |
696 | // FACS is referenced by FADT and is not part of RSDT\r | |
697 | //\r | |
698 | AddToRsdt = FALSE;\r | |
699 | \r | |
700 | //\r | |
701 | // Add the table to the appropriate table version\r | |
702 | //\r | |
703 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
704 | //\r | |
705 | // Save a pointer to the table\r | |
706 | //\r | |
707 | AcpiTableInstance->Facs1 = (EFI_ACPI_1_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *) CurrentTableList->Table;\r | |
708 | \r | |
709 | //\r | |
710 | // If FADT already exists, update table pointers.\r | |
711 | //\r | |
712 | if (AcpiTableInstance->Fadt1 != NULL) {\r | |
713 | AcpiTableInstance->Fadt1->FirmwareCtrl = (UINT32) (UINTN) AcpiTableInstance->Facs1;\r | |
714 | \r | |
715 | //\r | |
716 | // Checksum FADT table\r | |
717 | //\r | |
718 | AcpiPlatformChecksum (\r | |
719 | AcpiTableInstance->Fadt1,\r | |
720 | AcpiTableInstance->Fadt1->Header.Length,\r | |
721 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
722 | Checksum)\r | |
723 | );\r | |
724 | }\r | |
725 | }\r | |
726 | \r | |
f0071740 | 727 | if ((Version & ACPI_TABLE_VERSION_GTE_2_0) != 0) {\r |
5f55c700 | 728 | //\r |
729 | // Save a pointer to the table\r | |
730 | //\r | |
731 | AcpiTableInstance->Facs3 = (EFI_ACPI_3_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *) CurrentTableList->Table;\r | |
732 | \r | |
733 | //\r | |
734 | // If FADT already exists, update table pointers.\r | |
735 | //\r | |
736 | if (AcpiTableInstance->Fadt3 != NULL) {\r | |
c93776c2 JY |
737 | //\r |
738 | // Note: If the FIRMWARE_CTRL is non-zero, then X_FIRMWARE_CTRL must be zero, and \r | |
739 | // vice-versa.\r | |
740 | //\r | |
10342a64 | 741 | if ((UINT64)(UINTN)AcpiTableInstance->Facs3 < BASE_4GB) {\r |
c93776c2 | 742 | AcpiTableInstance->Fadt3->FirmwareCtrl = (UINT32) (UINTN) AcpiTableInstance->Facs3;\r |
f798e8bf | 743 | ZeroMem (&AcpiTableInstance->Fadt3->XFirmwareCtrl, sizeof (UINT64));\r |
c93776c2 JY |
744 | } else {\r |
745 | Buffer64 = (UINT64) (UINTN) AcpiTableInstance->Facs3;\r | |
746 | CopyMem (\r | |
747 | &AcpiTableInstance->Fadt3->XFirmwareCtrl,\r | |
748 | &Buffer64,\r | |
749 | sizeof (UINT64)\r | |
750 | );\r | |
f798e8bf | 751 | AcpiTableInstance->Fadt3->FirmwareCtrl = 0;\r |
c93776c2 | 752 | }\r |
5f55c700 | 753 | \r |
754 | //\r | |
755 | // Checksum FADT table\r | |
756 | //\r | |
757 | AcpiPlatformChecksum (\r | |
758 | AcpiTableInstance->Fadt3,\r | |
759 | AcpiTableInstance->Fadt3->Header.Length,\r | |
760 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
761 | Checksum)\r | |
762 | );\r | |
763 | }\r | |
764 | }\r | |
765 | \r | |
766 | break;\r | |
767 | \r | |
768 | case EFI_ACPI_1_0_DIFFERENTIATED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE:\r | |
769 | //\r | |
770 | // Check that the table has not been previously added.\r | |
771 | //\r | |
772 | if (((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0 && AcpiTableInstance->Dsdt1 != NULL) ||\r | |
f0071740 | 773 | ((Version & ACPI_TABLE_VERSION_GTE_2_0) != 0 && AcpiTableInstance->Dsdt3 != NULL)\r |
5f55c700 | 774 | ) {\r |
775 | gBS->FreePages (CurrentTableList->PageAddress, CurrentTableList->NumberOfPages);\r | |
776 | gBS->FreePool (CurrentTableList);\r | |
5966402e | 777 | return EFI_ACCESS_DENIED;\r |
5f55c700 | 778 | }\r |
779 | //\r | |
780 | // DSDT is referenced by FADT and is not part of RSDT\r | |
781 | //\r | |
782 | AddToRsdt = FALSE;\r | |
783 | \r | |
784 | //\r | |
785 | // Add the table to the appropriate table version\r | |
786 | //\r | |
787 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
788 | //\r | |
789 | // Save a pointer to the table\r | |
790 | //\r | |
791 | AcpiTableInstance->Dsdt1 = (EFI_ACPI_DESCRIPTION_HEADER *) CurrentTableList->Table;\r | |
792 | \r | |
793 | //\r | |
794 | // If FADT already exists, update table pointers.\r | |
795 | //\r | |
796 | if (AcpiTableInstance->Fadt1 != NULL) {\r | |
797 | AcpiTableInstance->Fadt1->Dsdt = (UINT32) (UINTN) AcpiTableInstance->Dsdt1;\r | |
798 | \r | |
799 | //\r | |
800 | // Checksum FADT table\r | |
801 | //\r | |
802 | AcpiPlatformChecksum (\r | |
803 | AcpiTableInstance->Fadt1,\r | |
804 | AcpiTableInstance->Fadt1->Header.Length,\r | |
805 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
806 | Checksum)\r | |
807 | );\r | |
808 | }\r | |
809 | }\r | |
810 | \r | |
f0071740 | 811 | if ((Version & ACPI_TABLE_VERSION_GTE_2_0) != 0) {\r |
5f55c700 | 812 | //\r |
813 | // Save a pointer to the table\r | |
814 | //\r | |
815 | AcpiTableInstance->Dsdt3 = (EFI_ACPI_DESCRIPTION_HEADER *) CurrentTableList->Table;\r | |
816 | \r | |
817 | //\r | |
818 | // If FADT already exists, update table pointers.\r | |
819 | //\r | |
820 | if (AcpiTableInstance->Fadt3 != NULL) {\r | |
821 | AcpiTableInstance->Fadt3->Dsdt = (UINT32) (UINTN) AcpiTableInstance->Dsdt3;\r | |
822 | Buffer64 = (UINT64) (UINTN) AcpiTableInstance->Dsdt3;\r | |
823 | CopyMem (\r | |
824 | &AcpiTableInstance->Fadt3->XDsdt,\r | |
825 | &Buffer64,\r | |
826 | sizeof (UINT64)\r | |
827 | );\r | |
828 | \r | |
829 | //\r | |
830 | // Checksum FADT table\r | |
831 | //\r | |
832 | AcpiPlatformChecksum (\r | |
833 | AcpiTableInstance->Fadt3,\r | |
834 | AcpiTableInstance->Fadt3->Header.Length,\r | |
835 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
836 | Checksum)\r | |
837 | );\r | |
838 | }\r | |
839 | } \r | |
840 | //\r | |
841 | // Checksum the table\r | |
842 | //\r | |
843 | if (Checksum) {\r | |
844 | AcpiPlatformChecksum (\r | |
845 | CurrentTableList->Table,\r | |
846 | CurrentTableList->Table->Length,\r | |
847 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
848 | Checksum)\r | |
849 | );\r | |
850 | }\r | |
851 | break;\r | |
852 | \r | |
853 | default:\r | |
854 | //\r | |
855 | // Checksum the table\r | |
856 | //\r | |
857 | if (Checksum) {\r | |
858 | AcpiPlatformChecksum (\r | |
859 | CurrentTableList->Table,\r | |
860 | CurrentTableList->Table->Length,\r | |
861 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
862 | Checksum)\r | |
863 | );\r | |
864 | }\r | |
865 | break;\r | |
866 | }\r | |
867 | //\r | |
868 | // Add the table to the current list of tables\r | |
869 | //\r | |
870 | InsertTailList (&AcpiTableInstance->TableList, &CurrentTableList->Link);\r | |
871 | \r | |
872 | //\r | |
873 | // Add the table to RSDT and/or XSDT table entry lists.\r | |
874 | //\r | |
875 | //\r | |
876 | // Add to ACPI 1.0b table tree\r | |
877 | //\r | |
878 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
5f55c700 | 879 | if (AddToRsdt) {\r |
880 | //\r | |
da935a5c | 881 | // If the table number exceed the gEfiAcpiMaxNumTables, enlarge the table buffer\r |
5f55c700 | 882 | //\r |
da935a5c | 883 | if (AcpiTableInstance->NumberOfTableEntries1 >= mEfiAcpiMaxNumTables) {\r |
884 | Status = ReallocateAcpiTableBuffer (AcpiTableInstance);\r | |
885 | ASSERT_EFI_ERROR (Status);\r | |
886 | }\r | |
5f55c700 | 887 | CurrentRsdtEntry = (UINT32 *)\r |
888 | (\r | |
da935a5c | 889 | (UINT8 *) AcpiTableInstance->Rsdt1 +\r |
5f55c700 | 890 | sizeof (EFI_ACPI_DESCRIPTION_HEADER) +\r |
da935a5c | 891 | AcpiTableInstance->NumberOfTableEntries1 *\r |
5f55c700 | 892 | sizeof (UINT32)\r |
893 | );\r | |
894 | \r | |
895 | //\r | |
da935a5c | 896 | // Add entry to the RSDT unless its the FACS or DSDT\r |
5f55c700 | 897 | //\r |
898 | *CurrentRsdtEntry = (UINT32) (UINTN) CurrentTableList->Table;\r | |
899 | \r | |
900 | //\r | |
901 | // Update RSDT length\r | |
902 | //\r | |
da935a5c | 903 | AcpiTableInstance->Rsdt1->Length = AcpiTableInstance->Rsdt1->Length + sizeof (UINT32);\r |
5f55c700 | 904 | \r |
da935a5c | 905 | AcpiTableInstance->NumberOfTableEntries1++;\r |
906 | }\r | |
907 | }\r | |
908 | //\r | |
909 | // Add to ACPI 2.0/3.0 table tree\r | |
910 | //\r | |
f0071740 | 911 | if ((Version & ACPI_TABLE_VERSION_GTE_2_0) != 0) {\r |
da935a5c | 912 | if (AddToRsdt) {\r |
913 | //\r | |
914 | // If the table number exceed the gEfiAcpiMaxNumTables, enlarge the table buffer\r | |
915 | //\r | |
916 | if (AcpiTableInstance->NumberOfTableEntries3 >= mEfiAcpiMaxNumTables) {\r | |
917 | Status = ReallocateAcpiTableBuffer (AcpiTableInstance);\r | |
918 | ASSERT_EFI_ERROR (Status);\r | |
919 | }\r | |
920 | //\r | |
921 | // At this time, it is assumed that RSDT and XSDT maintain parallel lists of tables.\r | |
922 | // If it becomes necessary to maintain separate table lists, changes will be required.\r | |
923 | //\r | |
924 | CurrentRsdtEntry = (UINT32 *)\r | |
925 | (\r | |
926 | (UINT8 *) AcpiTableInstance->Rsdt3 +\r | |
927 | sizeof (EFI_ACPI_DESCRIPTION_HEADER) +\r | |
928 | AcpiTableInstance->NumberOfTableEntries3 *\r | |
929 | sizeof (UINT32)\r | |
930 | );\r | |
931 | \r | |
932 | //\r | |
933 | // This pointer must not be directly dereferenced as the XSDT entries may not\r | |
934 | // be 64 bit aligned resulting in a possible fault. Use CopyMem to update.\r | |
935 | //\r | |
936 | CurrentXsdtEntry = (VOID *)\r | |
937 | (\r | |
938 | (UINT8 *) AcpiTableInstance->Xsdt +\r | |
939 | sizeof (EFI_ACPI_DESCRIPTION_HEADER) +\r | |
940 | AcpiTableInstance->NumberOfTableEntries3 *\r | |
941 | sizeof (UINT64)\r | |
942 | );\r | |
943 | \r | |
944 | //\r | |
945 | // Add entry to the RSDT\r | |
946 | //\r | |
947 | *CurrentRsdtEntry = (UINT32) (UINTN) CurrentTableList->Table;\r | |
948 | \r | |
949 | //\r | |
950 | // Update RSDT length\r | |
951 | //\r | |
952 | AcpiTableInstance->Rsdt3->Length = AcpiTableInstance->Rsdt3->Length + sizeof (UINT32);\r | |
953 | \r | |
954 | //\r | |
955 | // Add entry to XSDT, XSDT expects 64 bit pointers, but\r | |
956 | // the table pointers in XSDT are not aligned on 8 byte boundary.\r | |
957 | //\r | |
958 | Buffer64 = (UINT64) (UINTN) CurrentTableList->Table;\r | |
959 | CopyMem (\r | |
960 | CurrentXsdtEntry,\r | |
961 | &Buffer64,\r | |
962 | sizeof (UINT64)\r | |
963 | );\r | |
964 | \r | |
965 | //\r | |
966 | // Update length\r | |
967 | //\r | |
968 | AcpiTableInstance->Xsdt->Length = AcpiTableInstance->Xsdt->Length + sizeof (UINT64);\r | |
969 | \r | |
970 | AcpiTableInstance->NumberOfTableEntries3++;\r | |
5f55c700 | 971 | }\r |
5f55c700 | 972 | }\r |
973 | \r | |
974 | ChecksumCommonTables (AcpiTableInstance);\r | |
975 | return EFI_SUCCESS;\r | |
976 | }\r | |
977 | \r | |
978 | \r | |
979 | /**\r | |
980 | This function finds the table specified by the handle and returns a pointer to it.\r | |
981 | If the handle is not found, EFI_NOT_FOUND is returned and the contents of Table are\r | |
982 | undefined.\r | |
983 | \r | |
984 | @param Handle Table to find.\r | |
985 | @param TableList Table list to search\r | |
986 | @param Table Pointer to table found. \r | |
987 | \r | |
988 | @return EFI_SUCCESS The function completed successfully.\r | |
989 | @return EFI_NOT_FOUND No table found matching the handle specified.\r | |
990 | \r | |
991 | **/\r | |
992 | EFI_STATUS\r | |
993 | FindTableByHandle (\r | |
994 | IN UINTN Handle,\r | |
995 | IN LIST_ENTRY *TableList,\r | |
996 | OUT EFI_ACPI_TABLE_LIST **Table\r | |
997 | )\r | |
998 | {\r | |
999 | LIST_ENTRY *CurrentLink;\r | |
1000 | EFI_ACPI_TABLE_LIST *CurrentTable;\r | |
1001 | \r | |
1002 | //\r | |
1003 | // Check for invalid input parameters\r | |
1004 | //\r | |
1005 | ASSERT (Table);\r | |
1006 | \r | |
1007 | //\r | |
1008 | // Find the table\r | |
1009 | //\r | |
1010 | CurrentLink = TableList->ForwardLink;\r | |
1011 | \r | |
1012 | while (CurrentLink != TableList) {\r | |
1013 | CurrentTable = EFI_ACPI_TABLE_LIST_FROM_LINK (CurrentLink);\r | |
1014 | if (CurrentTable->Handle == Handle) {\r | |
1015 | //\r | |
1016 | // Found handle, so return this table.\r | |
1017 | //\r | |
1018 | *Table = CurrentTable;\r | |
1019 | return EFI_SUCCESS;\r | |
1020 | }\r | |
1021 | \r | |
1022 | CurrentLink = CurrentLink->ForwardLink;\r | |
1023 | }\r | |
1024 | //\r | |
1025 | // Table not found\r | |
1026 | //\r | |
1027 | return EFI_NOT_FOUND;\r | |
1028 | }\r | |
1029 | \r | |
1030 | \r | |
1031 | /**\r | |
1032 | This function removes a basic table from the RSDT and/or XSDT.\r | |
1033 | For Acpi 1.0 tables, pass in the Rsdt.\r | |
1034 | For Acpi 2.0 tables, pass in both Rsdt and Xsdt.\r | |
1035 | \r | |
1036 | @param Table Pointer to table found. \r | |
1037 | @param NumberOfTableEntries Current number of table entries in the RSDT/XSDT\r | |
1038 | @param Rsdt Pointer to the RSDT to remove from\r | |
1039 | @param Xsdt Pointer to the Xsdt to remove from\r | |
1040 | \r | |
1041 | @return EFI_SUCCESS The function completed successfully.\r | |
1042 | @return EFI_INVALID_PARAMETER The table was not found in both Rsdt and Xsdt.\r | |
1043 | \r | |
1044 | **/\r | |
1045 | EFI_STATUS\r | |
1046 | RemoveTableFromRsdt (\r | |
1047 | IN OUT EFI_ACPI_TABLE_LIST * Table,\r | |
1048 | IN OUT UINTN *NumberOfTableEntries,\r | |
1049 | IN OUT EFI_ACPI_DESCRIPTION_HEADER * Rsdt,\r | |
1050 | IN OUT EFI_ACPI_DESCRIPTION_HEADER * Xsdt OPTIONAL\r | |
1051 | )\r | |
1052 | {\r | |
1053 | UINT32 *CurrentRsdtEntry;\r | |
1054 | VOID *CurrentXsdtEntry;\r | |
1055 | UINT64 CurrentTablePointer64;\r | |
1056 | UINTN Index;\r | |
1057 | \r | |
1058 | //\r | |
1059 | // Check for invalid input parameters\r | |
1060 | //\r | |
1061 | ASSERT (Table);\r | |
1062 | ASSERT (NumberOfTableEntries);\r | |
1063 | ASSERT (Rsdt);\r | |
1064 | \r | |
1065 | //\r | |
1066 | // Find the table entry in the RSDT and XSDT\r | |
1067 | //\r | |
1068 | for (Index = 0; Index < *NumberOfTableEntries; Index++) {\r | |
1069 | //\r | |
1070 | // At this time, it is assumed that RSDT and XSDT maintain parallel lists of tables.\r | |
1071 | // If it becomes necessary to maintain separate table lists, changes will be required.\r | |
1072 | //\r | |
1073 | CurrentRsdtEntry = (UINT32 *) ((UINT8 *) Rsdt + sizeof (EFI_ACPI_DESCRIPTION_HEADER) + Index * sizeof (UINT32));\r | |
1074 | if (Xsdt != NULL) {\r | |
1075 | //\r | |
1076 | // This pointer must not be directly dereferenced as the XSDT entries may not\r | |
1077 | // be 64 bit aligned resulting in a possible fault. Use CopyMem to update.\r | |
1078 | //\r | |
1079 | CurrentXsdtEntry = (VOID *) ((UINT8 *) Xsdt + sizeof (EFI_ACPI_DESCRIPTION_HEADER) + Index * sizeof (UINT64));\r | |
1080 | \r | |
1081 | //\r | |
1082 | // Read the entry value out of the XSDT\r | |
1083 | //\r | |
1084 | CopyMem (&CurrentTablePointer64, CurrentXsdtEntry, sizeof (UINT64));\r | |
1085 | } else {\r | |
1086 | //\r | |
1087 | // Initialize to NULL\r | |
1088 | //\r | |
1089 | CurrentXsdtEntry = 0;\r | |
1090 | CurrentTablePointer64 = 0;\r | |
1091 | }\r | |
1092 | //\r | |
1093 | // Check if we have found the corresponding entry in both RSDT and XSDT\r | |
1094 | //\r | |
1095 | if (*CurrentRsdtEntry == (UINT32) (UINTN) Table->Table &&\r | |
1096 | ((Xsdt == NULL) || CurrentTablePointer64 == (UINT64) (UINTN) Table->Table)\r | |
1097 | ) {\r | |
1098 | //\r | |
1099 | // Found entry, so copy all following entries and shrink table\r | |
1100 | // We actually copy all + 1 to copy the initialized value of memory over\r | |
1101 | // the last entry.\r | |
1102 | //\r | |
1103 | CopyMem (CurrentRsdtEntry, CurrentRsdtEntry + 1, (*NumberOfTableEntries - Index) * sizeof (UINT32));\r | |
1104 | Rsdt->Length = Rsdt->Length - sizeof (UINT32);\r | |
1105 | if (Xsdt != NULL) {\r | |
1106 | CopyMem (CurrentXsdtEntry, ((UINT64 *) CurrentXsdtEntry) + 1, (*NumberOfTableEntries - Index) * sizeof (UINT64));\r | |
1107 | Xsdt->Length = Xsdt->Length - sizeof (UINT64);\r | |
1108 | }\r | |
1109 | break;\r | |
1110 | } else if (Index + 1 == *NumberOfTableEntries) {\r | |
1111 | //\r | |
1112 | // At the last entry, and table not found\r | |
1113 | //\r | |
1114 | return EFI_INVALID_PARAMETER;\r | |
1115 | }\r | |
1116 | }\r | |
1117 | //\r | |
1118 | // Checksum the tables\r | |
1119 | //\r | |
1120 | AcpiPlatformChecksum (\r | |
1121 | Rsdt,\r | |
1122 | Rsdt->Length,\r | |
1123 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
1124 | Checksum)\r | |
1125 | );\r | |
1126 | \r | |
1127 | if (Xsdt != NULL) {\r | |
1128 | AcpiPlatformChecksum (\r | |
1129 | Xsdt,\r | |
1130 | Xsdt->Length,\r | |
1131 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
1132 | Checksum)\r | |
1133 | );\r | |
1134 | }\r | |
1135 | //\r | |
1136 | // Decrement the number of tables\r | |
1137 | //\r | |
1138 | (*NumberOfTableEntries)--;\r | |
1139 | \r | |
1140 | return EFI_SUCCESS;\r | |
1141 | }\r | |
1142 | \r | |
1143 | \r | |
1144 | /**\r | |
1145 | This function removes a table and frees any associated memory.\r | |
1146 | \r | |
1147 | @param AcpiTableInstance Instance of the protocol.\r | |
1148 | @param Version Version(s) to delete.\r | |
1149 | @param Table Pointer to table found.\r | |
1150 | \r | |
1151 | @return EFI_SUCCESS The function completed successfully.\r | |
1152 | \r | |
1153 | **/\r | |
1154 | EFI_STATUS\r | |
1155 | DeleteTable (\r | |
1156 | IN EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance,\r | |
1157 | IN EFI_ACPI_TABLE_VERSION Version,\r | |
1158 | IN OUT EFI_ACPI_TABLE_LIST *Table\r | |
1159 | )\r | |
1160 | {\r | |
1161 | UINT32 CurrentTableSignature;\r | |
1162 | BOOLEAN RemoveFromRsdt;\r | |
1163 | \r | |
1164 | //\r | |
1165 | // Check for invalid input parameters\r | |
1166 | //\r | |
1167 | ASSERT (AcpiTableInstance);\r | |
1168 | ASSERT (Table);\r | |
1169 | \r | |
1170 | //\r | |
1171 | // Init locals\r | |
1172 | //\r | |
1173 | RemoveFromRsdt = TRUE;\r | |
6198c346 | 1174 | //\r |
1175 | // Check for Table->Table\r | |
1176 | //\r | |
1177 | ASSERT (Table->Table != NULL);\r | |
5f55c700 | 1178 | CurrentTableSignature = ((EFI_ACPI_COMMON_HEADER *) Table->Table)->Signature;\r |
1179 | \r | |
1180 | //\r | |
1181 | // Basic tasks to accomplish delete are:\r | |
1182 | // Determine removal requirements (in RSDT/XSDT or not)\r | |
1183 | // Remove entry from RSDT/XSDT\r | |
1184 | // Remove any table references to the table\r | |
1185 | // If no one is using the table\r | |
1186 | // Free the table (removing pointers from private data and tables)\r | |
1187 | // Remove from list\r | |
1188 | // Free list structure\r | |
1189 | //\r | |
1190 | //\r | |
1191 | // Determine if this table is in the RSDT or XSDT\r | |
1192 | //\r | |
1193 | if ((CurrentTableSignature == EFI_ACPI_1_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE) ||\r | |
1194 | (CurrentTableSignature == EFI_ACPI_2_0_DIFFERENTIATED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE) ||\r | |
1195 | (CurrentTableSignature == EFI_ACPI_3_0_DIFFERENTIATED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE)\r | |
1196 | ) {\r | |
1197 | RemoveFromRsdt = FALSE;\r | |
1198 | }\r | |
1199 | //\r | |
1200 | // We don't remove the FADT in the standard way because some\r | |
1201 | // OS expect the FADT to be early in the table list.\r | |
1202 | // So we always put it as the first element in the list.\r | |
1203 | //\r | |
1204 | if (CurrentTableSignature == EFI_ACPI_1_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE) {\r | |
1205 | RemoveFromRsdt = FALSE;\r | |
1206 | }\r | |
1207 | \r | |
1208 | //\r | |
1209 | // Remove the table from RSDT and XSDT\r | |
1210 | //\r | |
1211 | if (Table->Table != NULL) {\r | |
1212 | //\r | |
1213 | // This is a basic table, remove it from any lists and the Rsdt and/or Xsdt\r | |
1214 | //\r | |
1215 | if (Version & EFI_ACPI_TABLE_VERSION_NONE & Table->Version) {\r | |
1216 | //\r | |
1217 | // Remove this version from the table\r | |
1218 | //\r | |
1219 | Table->Version = Table->Version &~EFI_ACPI_TABLE_VERSION_NONE;\r | |
1220 | }\r | |
1221 | \r | |
1222 | if (Version & EFI_ACPI_TABLE_VERSION_1_0B & Table->Version) {\r | |
1223 | //\r | |
1224 | // Remove this version from the table\r | |
1225 | //\r | |
1226 | Table->Version = Table->Version &~EFI_ACPI_TABLE_VERSION_1_0B;\r | |
1227 | \r | |
1228 | //\r | |
1229 | // Remove from Rsdt. We don't care about the return value because it is\r | |
1230 | // acceptable for the table to not exist in Rsdt.\r | |
1231 | // We didn't add some tables so we don't remove them.\r | |
1232 | //\r | |
1233 | if (RemoveFromRsdt) {\r | |
1234 | RemoveTableFromRsdt (\r | |
1235 | Table,\r | |
1236 | &AcpiTableInstance->NumberOfTableEntries1,\r | |
1237 | AcpiTableInstance->Rsdt1,\r | |
1238 | NULL\r | |
1239 | );\r | |
1240 | }\r | |
1241 | }\r | |
1242 | \r | |
f0071740 | 1243 | if (Version & ACPI_TABLE_VERSION_GTE_2_0 & Table->Version) {\r |
5f55c700 | 1244 | //\r |
1245 | // Remove this version from the table\r | |
1246 | //\r | |
f0071740 | 1247 | Table->Version = Table->Version &~(Version & ACPI_TABLE_VERSION_GTE_2_0);\r |
5f55c700 | 1248 | \r |
1249 | //\r | |
1250 | // Remove from Rsdt and Xsdt. We don't care about the return value\r | |
1251 | // because it is acceptable for the table to not exist in Rsdt/Xsdt.\r | |
1252 | // We didn't add some tables so we don't remove them.\r | |
1253 | //\r | |
1254 | if (RemoveFromRsdt) {\r | |
1255 | RemoveTableFromRsdt (\r | |
1256 | Table,\r | |
1257 | &AcpiTableInstance->NumberOfTableEntries3,\r | |
1258 | AcpiTableInstance->Rsdt3,\r | |
1259 | AcpiTableInstance->Xsdt\r | |
1260 | );\r | |
1261 | }\r | |
1262 | } \r | |
1263 | //\r | |
1264 | // Free the table, clean up any dependent tables and our private data pointers.\r | |
1265 | //\r | |
1266 | switch (Table->Table->Signature) {\r | |
1267 | \r | |
1268 | case EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE:\r | |
1269 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
1270 | AcpiTableInstance->Fadt1 = NULL;\r | |
1271 | }\r | |
1272 | \r | |
f0071740 | 1273 | if ((Version & ACPI_TABLE_VERSION_GTE_2_0) != 0) {\r |
5f55c700 | 1274 | AcpiTableInstance->Fadt3 = NULL;\r |
1275 | }\r | |
1276 | break;\r | |
1277 | \r | |
1278 | case EFI_ACPI_3_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE:\r | |
1279 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
1280 | AcpiTableInstance->Facs1 = NULL;\r | |
1281 | \r | |
1282 | //\r | |
1283 | // Update FADT table pointers\r | |
1284 | //\r | |
1285 | if (AcpiTableInstance->Fadt1 != NULL) {\r | |
1286 | AcpiTableInstance->Fadt1->FirmwareCtrl = 0;\r | |
1287 | \r | |
1288 | //\r | |
1289 | // Checksum table\r | |
1290 | //\r | |
1291 | AcpiPlatformChecksum (\r | |
1292 | AcpiTableInstance->Fadt1,\r | |
1293 | AcpiTableInstance->Fadt1->Header.Length,\r | |
1294 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
1295 | Checksum)\r | |
1296 | );\r | |
1297 | }\r | |
1298 | }\r | |
1299 | \r | |
f0071740 | 1300 | if ((Version & ACPI_TABLE_VERSION_GTE_2_0) != 0) {\r |
5f55c700 | 1301 | AcpiTableInstance->Facs3 = NULL;\r |
1302 | \r | |
1303 | //\r | |
1304 | // Update FADT table pointers\r | |
1305 | //\r | |
1306 | if (AcpiTableInstance->Fadt3 != NULL) {\r | |
1307 | AcpiTableInstance->Fadt3->FirmwareCtrl = 0;\r | |
1308 | ZeroMem (&AcpiTableInstance->Fadt3->XFirmwareCtrl, sizeof (UINT64));\r | |
1309 | \r | |
1310 | //\r | |
1311 | // Checksum table\r | |
1312 | //\r | |
1313 | AcpiPlatformChecksum (\r | |
1314 | AcpiTableInstance->Fadt3,\r | |
1315 | AcpiTableInstance->Fadt3->Header.Length,\r | |
1316 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
1317 | Checksum)\r | |
1318 | );\r | |
1319 | }\r | |
1320 | } \r | |
1321 | break;\r | |
1322 | \r | |
1323 | case EFI_ACPI_3_0_DIFFERENTIATED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE:\r | |
1324 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
1325 | AcpiTableInstance->Dsdt1 = NULL;\r | |
1326 | \r | |
1327 | //\r | |
1328 | // Update FADT table pointers\r | |
1329 | //\r | |
1330 | if (AcpiTableInstance->Fadt1 != NULL) {\r | |
1331 | AcpiTableInstance->Fadt1->Dsdt = 0;\r | |
1332 | \r | |
1333 | //\r | |
1334 | // Checksum table\r | |
1335 | //\r | |
1336 | AcpiPlatformChecksum (\r | |
1337 | AcpiTableInstance->Fadt1,\r | |
1338 | AcpiTableInstance->Fadt1->Header.Length,\r | |
1339 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
1340 | Checksum)\r | |
1341 | );\r | |
1342 | }\r | |
1343 | }\r | |
1344 | \r | |
1345 | \r | |
f0071740 | 1346 | if ((Version & ACPI_TABLE_VERSION_GTE_2_0) != 0) {\r |
5f55c700 | 1347 | AcpiTableInstance->Dsdt3 = NULL;\r |
1348 | \r | |
1349 | //\r | |
1350 | // Update FADT table pointers\r | |
1351 | //\r | |
1352 | if (AcpiTableInstance->Fadt3 != NULL) {\r | |
1353 | AcpiTableInstance->Fadt3->Dsdt = 0;\r | |
1354 | ZeroMem (&AcpiTableInstance->Fadt3->XDsdt, sizeof (UINT64));\r | |
1355 | \r | |
1356 | //\r | |
1357 | // Checksum table\r | |
1358 | //\r | |
1359 | AcpiPlatformChecksum (\r | |
1360 | AcpiTableInstance->Fadt3,\r | |
1361 | AcpiTableInstance->Fadt3->Header.Length,\r | |
1362 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
1363 | Checksum)\r | |
1364 | );\r | |
1365 | }\r | |
1366 | }\r | |
1367 | break;\r | |
1368 | \r | |
1369 | default:\r | |
1370 | //\r | |
1371 | // Do nothing\r | |
1372 | //\r | |
1373 | break;\r | |
1374 | }\r | |
1375 | }\r | |
1376 | //\r | |
1377 | // If no version is using this table anymore, remove and free list entry.\r | |
1378 | //\r | |
1379 | if (Table->Version == 0) {\r | |
1380 | //\r | |
1381 | // Free the Table\r | |
1382 | //\r | |
1383 | gBS->FreePages (Table->PageAddress, Table->NumberOfPages);\r | |
1384 | RemoveEntryList (&(Table->Link));\r | |
1385 | gBS->FreePool (Table);\r | |
1386 | }\r | |
1387 | //\r | |
1388 | // Done\r | |
1389 | //\r | |
1390 | return EFI_SUCCESS;\r | |
1391 | }\r | |
1392 | \r | |
1393 | \r | |
1394 | /**\r | |
1395 | This function finds and removes the table specified by the handle.\r | |
1396 | \r | |
1397 | @param AcpiTableInstance Instance of the protocol.\r | |
1398 | @param Version Bitmask of which versions to remove.\r | |
1399 | @param Handle Table to remove.\r | |
1400 | \r | |
1401 | @return EFI_SUCCESS The function completed successfully.\r | |
1402 | @return EFI_ABORTED An error occurred.\r | |
1403 | @return EFI_NOT_FOUND Handle not found in table list.\r | |
1404 | \r | |
1405 | **/\r | |
1406 | EFI_STATUS\r | |
1407 | RemoveTableFromList (\r | |
1408 | IN EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance,\r | |
1409 | IN EFI_ACPI_TABLE_VERSION Version,\r | |
1410 | IN UINTN Handle\r | |
1411 | )\r | |
1412 | {\r | |
1413 | EFI_ACPI_TABLE_LIST *Table;\r | |
1414 | EFI_STATUS Status;\r | |
1415 | \r | |
b474ed49 | 1416 | Table = (EFI_ACPI_TABLE_LIST*) NULL;\r |
1417 | \r | |
5f55c700 | 1418 | //\r |
1419 | // Check for invalid input parameters\r | |
1420 | //\r | |
1421 | ASSERT (AcpiTableInstance);\r | |
1422 | \r | |
1423 | //\r | |
1424 | // Find the table\r | |
1425 | //\r | |
1426 | Status = FindTableByHandle (\r | |
1427 | Handle,\r | |
1428 | &AcpiTableInstance->TableList,\r | |
1429 | &Table\r | |
1430 | );\r | |
1431 | if (EFI_ERROR (Status)) {\r | |
1432 | return EFI_NOT_FOUND;\r | |
1433 | }\r | |
1434 | //\r | |
1435 | // Remove the table\r | |
1436 | //\r | |
1437 | Status = DeleteTable (AcpiTableInstance, Version, Table);\r | |
1438 | if (EFI_ERROR (Status)) {\r | |
1439 | return EFI_ABORTED;\r | |
1440 | }\r | |
1441 | //\r | |
1442 | // Completed successfully\r | |
1443 | //\r | |
1444 | return EFI_SUCCESS;\r | |
1445 | }\r | |
1446 | \r | |
1447 | \r | |
1448 | /**\r | |
1449 | This function calculates and updates an UINT8 checksum.\r | |
1450 | \r | |
1451 | @param Buffer Pointer to buffer to checksum\r | |
1452 | @param Size Number of bytes to checksum\r | |
1453 | @param ChecksumOffset Offset to place the checksum result in\r | |
1454 | \r | |
1455 | @return EFI_SUCCESS The function completed successfully.\r | |
1456 | \r | |
1457 | **/\r | |
1458 | EFI_STATUS\r | |
1459 | AcpiPlatformChecksum (\r | |
1460 | IN VOID *Buffer,\r | |
1461 | IN UINTN Size,\r | |
1462 | IN UINTN ChecksumOffset\r | |
1463 | )\r | |
1464 | {\r | |
1465 | UINT8 Sum;\r | |
1466 | UINT8 *Ptr;\r | |
1467 | \r | |
1468 | Sum = 0;\r | |
1469 | //\r | |
1470 | // Initialize pointer\r | |
1471 | //\r | |
1472 | Ptr = Buffer;\r | |
1473 | \r | |
1474 | //\r | |
1475 | // set checksum to 0 first\r | |
1476 | //\r | |
1477 | Ptr[ChecksumOffset] = 0;\r | |
1478 | \r | |
1479 | //\r | |
1480 | // add all content of buffer\r | |
1481 | //\r | |
1482 | while ((Size--) != 0) {\r | |
1483 | Sum = (UINT8) (Sum + (*Ptr++));\r | |
1484 | }\r | |
1485 | //\r | |
1486 | // set checksum\r | |
1487 | //\r | |
1488 | Ptr = Buffer;\r | |
1489 | Ptr[ChecksumOffset] = (UINT8) (0xff - Sum + 1);\r | |
1490 | \r | |
1491 | return EFI_SUCCESS;\r | |
1492 | }\r | |
1493 | \r | |
1494 | \r | |
1495 | /**\r | |
1496 | Checksum all versions of the common tables, RSDP, RSDT, XSDT.\r | |
1497 | \r | |
1498 | @param AcpiTableInstance Protocol instance private data.\r | |
1499 | \r | |
1500 | @return EFI_SUCCESS The function completed successfully.\r | |
1501 | \r | |
1502 | **/\r | |
1503 | EFI_STATUS\r | |
1504 | ChecksumCommonTables (\r | |
1505 | IN OUT EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance\r | |
1506 | )\r | |
1507 | {\r | |
1508 | //\r | |
1509 | // RSDP ACPI 1.0 checksum for 1.0 table. This is only the first 20 bytes of the structure\r | |
1510 | //\r | |
1511 | AcpiPlatformChecksum (\r | |
1512 | AcpiTableInstance->Rsdp1,\r | |
1513 | sizeof (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER),\r | |
1514 | OFFSET_OF (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER,\r | |
1515 | Checksum)\r | |
1516 | );\r | |
1517 | \r | |
1518 | //\r | |
1519 | // RSDP ACPI 1.0 checksum for 2.0/3.0 table. This is only the first 20 bytes of the structure\r | |
1520 | //\r | |
1521 | AcpiPlatformChecksum (\r | |
1522 | AcpiTableInstance->Rsdp3,\r | |
1523 | sizeof (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER),\r | |
1524 | OFFSET_OF (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER,\r | |
1525 | Checksum)\r | |
1526 | );\r | |
1527 | \r | |
1528 | //\r | |
1529 | // RSDP ACPI 2.0/3.0 checksum, this is the entire table\r | |
1530 | //\r | |
1531 | AcpiPlatformChecksum (\r | |
1532 | AcpiTableInstance->Rsdp3,\r | |
1533 | sizeof (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER),\r | |
1534 | OFFSET_OF (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER,\r | |
1535 | ExtendedChecksum)\r | |
1536 | );\r | |
1537 | \r | |
1538 | //\r | |
1539 | // RSDT checksums\r | |
1540 | //\r | |
1541 | AcpiPlatformChecksum (\r | |
1542 | AcpiTableInstance->Rsdt1,\r | |
1543 | AcpiTableInstance->Rsdt1->Length,\r | |
1544 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
1545 | Checksum)\r | |
1546 | );\r | |
1547 | \r | |
1548 | AcpiPlatformChecksum (\r | |
1549 | AcpiTableInstance->Rsdt3,\r | |
1550 | AcpiTableInstance->Rsdt3->Length,\r | |
1551 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
1552 | Checksum)\r | |
1553 | );\r | |
1554 | \r | |
1555 | //\r | |
1556 | // XSDT checksum\r | |
1557 | //\r | |
1558 | AcpiPlatformChecksum (\r | |
1559 | AcpiTableInstance->Xsdt,\r | |
1560 | AcpiTableInstance->Xsdt->Length,\r | |
1561 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
1562 | Checksum)\r | |
1563 | );\r | |
1564 | \r | |
1565 | return EFI_SUCCESS;\r | |
1566 | }\r | |
1567 | \r | |
1568 | \r | |
1569 | /**\r | |
1570 | Constructor for the ACPI table protocol. Initializes instance\r | |
1571 | data.\r | |
1572 | \r | |
1573 | @param AcpiTableInstance Instance to construct\r | |
1574 | \r | |
1575 | @return EFI_SUCCESS Instance initialized.\r | |
1576 | @return EFI_OUT_OF_RESOURCES Unable to allocate required resources.\r | |
1577 | \r | |
1578 | **/\r | |
1579 | EFI_STATUS\r | |
1580 | AcpiTableAcpiTableConstructor (\r | |
1581 | EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance\r | |
1582 | )\r | |
1583 | {\r | |
1584 | EFI_STATUS Status;\r | |
1585 | UINT64 CurrentData;\r | |
1586 | UINTN TotalSize;\r | |
37abfb7e | 1587 | UINTN RsdpTableSize;\r |
5f55c700 | 1588 | UINT8 *Pointer;\r |
1589 | EFI_PHYSICAL_ADDRESS PageAddress;\r | |
1590 | \r | |
1591 | //\r | |
1592 | // Check for invalid input parameters\r | |
1593 | //\r | |
1594 | ASSERT (AcpiTableInstance);\r | |
1595 | \r | |
1596 | InitializeListHead (&AcpiTableInstance->TableList);\r | |
1597 | AcpiTableInstance->CurrentHandle = 1;\r | |
1598 | \r | |
1599 | AcpiTableInstance->AcpiTableProtocol.InstallAcpiTable = InstallAcpiTable;\r | |
1600 | AcpiTableInstance->AcpiTableProtocol.UninstallAcpiTable = UninstallAcpiTable;\r | |
3dc8585e JY |
1601 | \r |
1602 | if (FeaturePcdGet (PcdInstallAcpiSdtProtocol)) {\r | |
1603 | SdtAcpiTableAcpiSdtConstructor (AcpiTableInstance);\r | |
1604 | }\r | |
1605 | \r | |
5f55c700 | 1606 | //\r |
37abfb7e LG |
1607 | // Create RSDP table\r |
1608 | //\r | |
1609 | RsdpTableSize = sizeof (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER) +\r | |
1610 | sizeof (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER);\r | |
1611 | \r | |
1612 | PageAddress = 0xFFFFFFFF;\r | |
1613 | Status = gBS->AllocatePages (\r | |
1614 | AllocateMaxAddress,\r | |
1615 | EfiACPIReclaimMemory,\r | |
1616 | EFI_SIZE_TO_PAGES (RsdpTableSize),\r | |
1617 | &PageAddress\r | |
1618 | );\r | |
1619 | \r | |
1620 | if (EFI_ERROR (Status)) {\r | |
1621 | return EFI_OUT_OF_RESOURCES;\r | |
1622 | }\r | |
1623 | \r | |
1624 | Pointer = (UINT8 *) (UINTN) PageAddress;\r | |
1625 | ZeroMem (Pointer, RsdpTableSize);\r | |
1626 | \r | |
1627 | AcpiTableInstance->Rsdp1 = (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER *) Pointer;\r | |
1628 | Pointer += sizeof (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER);\r | |
1629 | AcpiTableInstance->Rsdp3 = (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER *) Pointer;\r | |
1630 | \r | |
1631 | //\r | |
1632 | // Create RSDT, XSDT structures\r | |
5f55c700 | 1633 | //\r |
37abfb7e LG |
1634 | TotalSize = sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 1.0 RSDT\r |
1635 | mEfiAcpiMaxNumTables * sizeof (UINT32) +\r | |
1636 | sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 2.0/3.0 RSDT\r | |
1637 | mEfiAcpiMaxNumTables * sizeof (UINT32) +\r | |
1638 | sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 2.0/3.0 XSDT\r | |
1639 | mEfiAcpiMaxNumTables * sizeof (UINT64);\r | |
5f55c700 | 1640 | \r |
1641 | //\r | |
1642 | // Allocate memory in the lower 32 bit of address range for\r | |
1643 | // compatibility with ACPI 1.0 OS.\r | |
1644 | //\r | |
1645 | // This is done because ACPI 1.0 pointers are 32 bit values.\r | |
1646 | // ACPI 2.0 OS and all 64 bit OS must use the 64 bit ACPI table addresses.\r | |
1647 | // There is no architectural reason these should be below 4GB, it is purely\r | |
1648 | // for convenience of implementation that we force memory below 4GB.\r | |
1649 | //\r | |
1650 | PageAddress = 0xFFFFFFFF;\r | |
1651 | Status = gBS->AllocatePages (\r | |
1652 | AllocateMaxAddress,\r | |
1653 | EfiACPIReclaimMemory,\r | |
1654 | EFI_SIZE_TO_PAGES (TotalSize),\r | |
1655 | &PageAddress\r | |
1656 | );\r | |
1657 | \r | |
1658 | if (EFI_ERROR (Status)) {\r | |
37abfb7e | 1659 | gBS->FreePages ((EFI_PHYSICAL_ADDRESS)(UINTN)AcpiTableInstance->Rsdp1, EFI_SIZE_TO_PAGES (RsdpTableSize));\r |
5f55c700 | 1660 | return EFI_OUT_OF_RESOURCES;\r |
1661 | }\r | |
1662 | \r | |
1663 | Pointer = (UINT8 *) (UINTN) PageAddress;\r | |
1664 | ZeroMem (Pointer, TotalSize);\r | |
1665 | \r | |
5f55c700 | 1666 | AcpiTableInstance->Rsdt1 = (EFI_ACPI_DESCRIPTION_HEADER *) Pointer;\r |
1667 | Pointer += (sizeof (EFI_ACPI_DESCRIPTION_HEADER) + EFI_ACPI_MAX_NUM_TABLES * sizeof (UINT32));\r | |
1668 | AcpiTableInstance->Rsdt3 = (EFI_ACPI_DESCRIPTION_HEADER *) Pointer;\r | |
1669 | Pointer += (sizeof (EFI_ACPI_DESCRIPTION_HEADER) + EFI_ACPI_MAX_NUM_TABLES * sizeof (UINT32));\r | |
5f55c700 | 1670 | AcpiTableInstance->Xsdt = (EFI_ACPI_DESCRIPTION_HEADER *) Pointer;\r |
1671 | \r | |
1672 | //\r | |
1673 | // Initialize RSDP\r | |
1674 | //\r | |
1675 | CurrentData = EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER_SIGNATURE;\r | |
1676 | CopyMem (&AcpiTableInstance->Rsdp1->Signature, &CurrentData, sizeof (UINT64));\r | |
e84f07b5 | 1677 | CopyMem (AcpiTableInstance->Rsdp1->OemId, PcdGetPtr (PcdAcpiDefaultOemId), sizeof (AcpiTableInstance->Rsdp1->OemId));\r |
5f55c700 | 1678 | AcpiTableInstance->Rsdp1->Reserved = EFI_ACPI_RESERVED_BYTE;\r |
1679 | AcpiTableInstance->Rsdp1->RsdtAddress = (UINT32) (UINTN) AcpiTableInstance->Rsdt1;\r | |
1680 | \r | |
1681 | CurrentData = EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER_SIGNATURE;\r | |
1682 | CopyMem (&AcpiTableInstance->Rsdp3->Signature, &CurrentData, sizeof (UINT64));\r | |
e84f07b5 | 1683 | CopyMem (AcpiTableInstance->Rsdp3->OemId, PcdGetPtr (PcdAcpiDefaultOemId), sizeof (AcpiTableInstance->Rsdp3->OemId));\r |
5f55c700 | 1684 | AcpiTableInstance->Rsdp3->Revision = EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER_REVISION;\r |
1685 | AcpiTableInstance->Rsdp3->RsdtAddress = (UINT32) (UINTN) AcpiTableInstance->Rsdt3;\r | |
1686 | AcpiTableInstance->Rsdp3->Length = sizeof (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER);\r | |
1687 | CurrentData = (UINT64) (UINTN) AcpiTableInstance->Xsdt;\r | |
1688 | CopyMem (&AcpiTableInstance->Rsdp3->XsdtAddress, &CurrentData, sizeof (UINT64));\r | |
1689 | SetMem (AcpiTableInstance->Rsdp3->Reserved, 3, EFI_ACPI_RESERVED_BYTE);\r | |
1690 | \r | |
1691 | //\r | |
1692 | // Initialize Rsdt\r | |
1693 | //\r | |
1694 | // Note that we "reserve" one entry for the FADT so it can always be\r | |
1695 | // at the beginning of the list of tables. Some OS don't seem\r | |
1696 | // to find it correctly if it is too far down the list.\r | |
1697 | //\r | |
1698 | AcpiTableInstance->Rsdt1->Signature = EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_TABLE_SIGNATURE;\r | |
1699 | AcpiTableInstance->Rsdt1->Length = sizeof (EFI_ACPI_DESCRIPTION_HEADER);\r | |
1700 | AcpiTableInstance->Rsdt1->Revision = EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_TABLE_REVISION;\r | |
e84f07b5 SZ |
1701 | CopyMem (AcpiTableInstance->Rsdt1->OemId, PcdGetPtr (PcdAcpiDefaultOemId), sizeof (AcpiTableInstance->Rsdt1->OemId));\r |
1702 | CurrentData = PcdGet64 (PcdAcpiDefaultOemTableId);\r | |
5f55c700 | 1703 | CopyMem (&AcpiTableInstance->Rsdt1->OemTableId, &CurrentData, sizeof (UINT64));\r |
e84f07b5 SZ |
1704 | AcpiTableInstance->Rsdt1->OemRevision = PcdGet32 (PcdAcpiDefaultOemRevision);\r |
1705 | AcpiTableInstance->Rsdt1->CreatorId = PcdGet32 (PcdAcpiDefaultCreatorId);\r | |
1706 | AcpiTableInstance->Rsdt1->CreatorRevision = PcdGet32 (PcdAcpiDefaultCreatorRevision);\r | |
5f55c700 | 1707 | //\r |
1708 | // We always reserve first one for FADT\r | |
1709 | //\r | |
1710 | AcpiTableInstance->NumberOfTableEntries1 = 1;\r | |
1711 | AcpiTableInstance->Rsdt1->Length = AcpiTableInstance->Rsdt1->Length + sizeof(UINT32);\r | |
1712 | \r | |
1713 | AcpiTableInstance->Rsdt3->Signature = EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_TABLE_SIGNATURE;\r | |
1714 | AcpiTableInstance->Rsdt3->Length = sizeof (EFI_ACPI_DESCRIPTION_HEADER);\r | |
1715 | AcpiTableInstance->Rsdt3->Revision = EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_TABLE_REVISION;\r | |
e84f07b5 SZ |
1716 | CopyMem (AcpiTableInstance->Rsdt3->OemId, PcdGetPtr (PcdAcpiDefaultOemId), sizeof (AcpiTableInstance->Rsdt3->OemId));\r |
1717 | CurrentData = PcdGet64 (PcdAcpiDefaultOemTableId);\r | |
5f55c700 | 1718 | CopyMem (&AcpiTableInstance->Rsdt3->OemTableId, &CurrentData, sizeof (UINT64));\r |
e84f07b5 SZ |
1719 | AcpiTableInstance->Rsdt3->OemRevision = PcdGet32 (PcdAcpiDefaultOemRevision);\r |
1720 | AcpiTableInstance->Rsdt3->CreatorId = PcdGet32 (PcdAcpiDefaultCreatorId);\r | |
1721 | AcpiTableInstance->Rsdt3->CreatorRevision = PcdGet32 (PcdAcpiDefaultCreatorRevision);\r | |
5f55c700 | 1722 | //\r |
1723 | // We always reserve first one for FADT\r | |
1724 | //\r | |
1725 | AcpiTableInstance->NumberOfTableEntries3 = 1;\r | |
1726 | AcpiTableInstance->Rsdt3->Length = AcpiTableInstance->Rsdt3->Length + sizeof(UINT32);\r | |
1727 | \r | |
1728 | //\r | |
1729 | // Initialize Xsdt\r | |
1730 | //\r | |
1731 | AcpiTableInstance->Xsdt->Signature = EFI_ACPI_3_0_EXTENDED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE;\r | |
1732 | AcpiTableInstance->Xsdt->Length = sizeof (EFI_ACPI_DESCRIPTION_HEADER);\r | |
1733 | AcpiTableInstance->Xsdt->Revision = EFI_ACPI_3_0_EXTENDED_SYSTEM_DESCRIPTION_TABLE_REVISION;\r | |
e84f07b5 SZ |
1734 | CopyMem (AcpiTableInstance->Xsdt->OemId, PcdGetPtr (PcdAcpiDefaultOemId), sizeof (AcpiTableInstance->Xsdt->OemId));\r |
1735 | CurrentData = PcdGet64 (PcdAcpiDefaultOemTableId);\r | |
5f55c700 | 1736 | CopyMem (&AcpiTableInstance->Xsdt->OemTableId, &CurrentData, sizeof (UINT64));\r |
e84f07b5 SZ |
1737 | AcpiTableInstance->Xsdt->OemRevision = PcdGet32 (PcdAcpiDefaultOemRevision);\r |
1738 | AcpiTableInstance->Xsdt->CreatorId = PcdGet32 (PcdAcpiDefaultCreatorId);\r | |
1739 | AcpiTableInstance->Xsdt->CreatorRevision = PcdGet32 (PcdAcpiDefaultCreatorRevision);\r | |
5f55c700 | 1740 | //\r |
1741 | // We always reserve first one for FADT\r | |
1742 | //\r | |
1743 | AcpiTableInstance->Xsdt->Length = AcpiTableInstance->Xsdt->Length + sizeof(UINT64);\r | |
1744 | \r | |
1745 | ChecksumCommonTables (AcpiTableInstance);\r | |
1746 | \r | |
1747 | //\r | |
1748 | // Completed successfully\r | |
1749 | //\r | |
1750 | return EFI_SUCCESS;\r | |
1751 | }\r | |
1752 | \r |