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5f55c700 | 1 | /** @file\r |
2 | ACPI Table Protocol Implementation\r | |
3 | \r | |
761329ee | 4 | Copyright (c) 2006 - 2021, Intel Corporation. All rights reserved.<BR>\r |
f9bbb8d9 | 5 | Copyright (c) 2016, Linaro Ltd. All rights reserved.<BR>\r |
9d510e61 | 6 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
5f55c700 | 7 | \r |
8 | **/\r | |
9 | \r | |
10 | //\r | |
11 | // Includes\r | |
12 | //\r | |
13 | #include "AcpiTable.h"\r | |
da935a5c | 14 | //\r |
d1102dba | 15 | // The maximum number of tables that pre-allocated.\r |
da935a5c | 16 | //\r |
d1102dba | 17 | UINTN mEfiAcpiMaxNumTables = EFI_ACPI_MAX_NUM_TABLES;\r |
5f55c700 | 18 | \r |
f9bbb8d9 AB |
19 | //\r |
20 | // Allocation strategy to use for AllocatePages ().\r | |
21 | // Runtime value depends on PcdExposedAcpiTableVersions.\r | |
22 | //\r | |
23 | STATIC EFI_ALLOCATE_TYPE mAcpiTableAllocType;\r | |
24 | \r | |
5f55c700 | 25 | /**\r |
26 | This function adds an ACPI table to the table list. It will detect FACS and\r | |
27 | allocate the correct type of memory and properly align the table.\r | |
28 | \r | |
29 | @param AcpiTableInstance Instance of the protocol.\r | |
30 | @param Table Table to add.\r | |
31 | @param Checksum Does the table require checksumming.\r | |
32 | @param Version The version of the list to add the table to.\r | |
761329ee | 33 | @param IsFromHob True, if add Apci Table from Hob List.\r |
5f55c700 | 34 | @param Handle Pointer for returning the handle.\r |
35 | \r | |
36 | @return EFI_SUCCESS The function completed successfully.\r | |
37 | @return EFI_OUT_OF_RESOURCES Could not allocate a required resource.\r | |
38 | @return EFI_ABORTED The table is a duplicate of a table that is required\r | |
39 | to be unique.\r | |
40 | \r | |
41 | **/\r | |
42 | EFI_STATUS\r | |
43 | AddTableToList (\r | |
44 | IN EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance,\r | |
45 | IN VOID *Table,\r | |
46 | IN BOOLEAN Checksum,\r | |
47 | IN EFI_ACPI_TABLE_VERSION Version,\r | |
761329ee | 48 | IN BOOLEAN IsFromHob,\r |
5f55c700 | 49 | OUT UINTN *Handle\r |
50 | );\r | |
51 | \r | |
52 | /**\r | |
53 | This function finds and removes the table specified by the handle.\r | |
54 | \r | |
55 | @param AcpiTableInstance Instance of the protocol.\r | |
56 | @param Version Bitmask of which versions to remove.\r | |
57 | @param Handle Table to remove.\r | |
58 | \r | |
59 | @return EFI_SUCCESS The function completed successfully.\r | |
60 | @return EFI_ABORTED An error occurred.\r | |
61 | @return EFI_NOT_FOUND Handle not found in table list.\r | |
62 | \r | |
63 | **/\r | |
64 | EFI_STATUS\r | |
65 | RemoveTableFromList (\r | |
66 | IN EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance,\r | |
67 | IN EFI_ACPI_TABLE_VERSION Version,\r | |
68 | IN UINTN Handle\r | |
69 | );\r | |
70 | \r | |
71 | /**\r | |
72 | This function calculates and updates an UINT8 checksum.\r | |
73 | \r | |
74 | @param Buffer Pointer to buffer to checksum\r | |
75 | @param Size Number of bytes to checksum\r | |
76 | @param ChecksumOffset Offset to place the checksum result in\r | |
77 | \r | |
78 | @return EFI_SUCCESS The function completed successfully.\r | |
5f55c700 | 79 | **/\r |
80 | EFI_STATUS\r | |
81 | AcpiPlatformChecksum (\r | |
82 | IN VOID *Buffer,\r | |
83 | IN UINTN Size,\r | |
84 | IN UINTN ChecksumOffset\r | |
85 | );\r | |
86 | \r | |
87 | /**\r | |
88 | Checksum all versions of the common tables, RSDP, RSDT, XSDT.\r | |
89 | \r | |
90 | @param AcpiTableInstance Protocol instance private data.\r | |
91 | \r | |
92 | @return EFI_SUCCESS The function completed successfully.\r | |
93 | \r | |
94 | **/\r | |
95 | EFI_STATUS\r | |
96 | ChecksumCommonTables (\r | |
97 | IN OUT EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance\r | |
98 | );\r | |
99 | \r | |
100 | //\r | |
101 | // Protocol function implementations.\r | |
102 | //\r | |
103 | \r | |
5f55c700 | 104 | /**\r |
105 | This function publishes the specified versions of the ACPI tables by\r | |
106 | installing EFI configuration table entries for them. Any combination of\r | |
107 | table versions can be published.\r | |
108 | \r | |
109 | @param AcpiTableInstance Instance of the protocol.\r | |
110 | @param Version Version(s) to publish.\r | |
111 | \r | |
112 | @return EFI_SUCCESS The function completed successfully.\r | |
113 | @return EFI_ABORTED The function could not complete successfully.\r | |
114 | \r | |
115 | **/\r | |
116 | EFI_STATUS\r | |
117 | EFIAPI\r | |
118 | PublishTables (\r | |
119 | IN EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance,\r | |
120 | IN EFI_ACPI_TABLE_VERSION Version\r | |
121 | )\r | |
122 | {\r | |
123 | EFI_STATUS Status;\r | |
124 | UINT32 *CurrentRsdtEntry;\r | |
125 | VOID *CurrentXsdtEntry;\r | |
126 | UINT64 Buffer64;\r | |
127 | \r | |
128 | //\r | |
129 | // Reorder tables as some operating systems don't seem to find the\r | |
130 | // FADT correctly if it is not in the first few entries\r | |
131 | //\r | |
132 | \r | |
133 | //\r | |
134 | // Add FADT as the first entry\r | |
135 | //\r | |
136 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
137 | CurrentRsdtEntry = (UINT32 *) ((UINT8 *) AcpiTableInstance->Rsdt1 + sizeof (EFI_ACPI_DESCRIPTION_HEADER));\r | |
138 | *CurrentRsdtEntry = (UINT32) (UINTN) AcpiTableInstance->Fadt1;\r | |
f9bbb8d9 | 139 | \r |
5f55c700 | 140 | CurrentRsdtEntry = (UINT32 *) ((UINT8 *) AcpiTableInstance->Rsdt3 + sizeof (EFI_ACPI_DESCRIPTION_HEADER));\r |
141 | *CurrentRsdtEntry = (UINT32) (UINTN) AcpiTableInstance->Fadt3;\r | |
f9bbb8d9 AB |
142 | }\r |
143 | if ((Version & ACPI_TABLE_VERSION_GTE_2_0) != 0) {\r | |
5f55c700 | 144 | CurrentXsdtEntry = (VOID *) ((UINT8 *) AcpiTableInstance->Xsdt + sizeof (EFI_ACPI_DESCRIPTION_HEADER));\r |
145 | //\r | |
146 | // Add entry to XSDT, XSDT expects 64 bit pointers, but\r | |
147 | // the table pointers in XSDT are not aligned on 8 byte boundary.\r | |
148 | //\r | |
149 | Buffer64 = (UINT64) (UINTN) AcpiTableInstance->Fadt3;\r | |
150 | CopyMem (\r | |
151 | CurrentXsdtEntry,\r | |
152 | &Buffer64,\r | |
153 | sizeof (UINT64)\r | |
154 | );\r | |
155 | }\r | |
156 | \r | |
157 | //\r | |
158 | // Do checksum again because Dsdt/Xsdt is updated.\r | |
159 | //\r | |
160 | ChecksumCommonTables (AcpiTableInstance);\r | |
161 | \r | |
162 | //\r | |
163 | // Add the RSD_PTR to the system table and store that we have installed the\r | |
164 | // tables.\r | |
165 | //\r | |
01267e22 | 166 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r |
5f55c700 | 167 | Status = gBS->InstallConfigurationTable (&gEfiAcpi10TableGuid, AcpiTableInstance->Rsdp1);\r |
168 | if (EFI_ERROR (Status)) {\r | |
169 | return EFI_ABORTED;\r | |
170 | }\r | |
5f55c700 | 171 | }\r |
172 | \r | |
01267e22 | 173 | if ((Version & ACPI_TABLE_VERSION_GTE_2_0) != 0) {\r |
5f55c700 | 174 | Status = gBS->InstallConfigurationTable (&gEfiAcpiTableGuid, AcpiTableInstance->Rsdp3);\r |
175 | if (EFI_ERROR (Status)) {\r | |
176 | return EFI_ABORTED;\r | |
177 | }\r | |
5f55c700 | 178 | }\r |
179 | \r | |
180 | return EFI_SUCCESS;\r | |
181 | }\r | |
182 | \r | |
183 | \r | |
184 | /**\r | |
185 | Installs an ACPI table into the RSDT/XSDT.\r | |
2fd3009f | 186 | Note that the ACPI table should be checksumed before installing it.\r |
187 | Otherwise it will assert.\r | |
5f55c700 | 188 | \r |
189 | @param This Protocol instance pointer.\r | |
190 | @param AcpiTableBuffer A pointer to a buffer containing the ACPI table to be installed.\r | |
191 | @param AcpiTableBufferSize Specifies the size, in bytes, of the AcpiTableBuffer buffer.\r | |
192 | @param TableKey Reurns a key to refer to the ACPI table.\r | |
193 | \r | |
194 | @return EFI_SUCCESS The table was successfully inserted.\r | |
d1102dba | 195 | @return EFI_INVALID_PARAMETER Either AcpiTableBuffer is NULL, TableKey is NULL, or AcpiTableBufferSize\r |
5f55c700 | 196 | and the size field embedded in the ACPI table pointed to by AcpiTableBuffer\r |
197 | are not in sync.\r | |
198 | @return EFI_OUT_OF_RESOURCES Insufficient resources exist to complete the request.\r | |
5966402e SZ |
199 | @retval EFI_ACCESS_DENIED The table signature matches a table already\r |
200 | present in the system and platform policy\r | |
201 | does not allow duplicate tables of this type.\r | |
5f55c700 | 202 | \r |
203 | **/\r | |
204 | EFI_STATUS\r | |
205 | EFIAPI\r | |
206 | InstallAcpiTable (\r | |
db0f0d3c | 207 | IN EFI_ACPI_TABLE_PROTOCOL *This,\r |
208 | IN VOID *AcpiTableBuffer,\r | |
209 | IN UINTN AcpiTableBufferSize,\r | |
210 | OUT UINTN *TableKey\r | |
5f55c700 | 211 | )\r |
212 | {\r | |
213 | EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance;\r | |
214 | EFI_STATUS Status;\r | |
215 | VOID *AcpiTableBufferConst;\r | |
f9bbb8d9 | 216 | EFI_ACPI_TABLE_VERSION Version;\r |
5f55c700 | 217 | \r |
218 | //\r | |
219 | // Check for invalid input parameters\r | |
220 | //\r | |
221 | if ((AcpiTableBuffer == NULL) || (TableKey == NULL)\r | |
222 | || (((EFI_ACPI_DESCRIPTION_HEADER *) AcpiTableBuffer)->Length != AcpiTableBufferSize)) {\r | |
223 | return EFI_INVALID_PARAMETER;\r | |
224 | }\r | |
225 | \r | |
f9bbb8d9 AB |
226 | Version = PcdGet32 (PcdAcpiExposedTableVersions);\r |
227 | \r | |
5f55c700 | 228 | //\r |
229 | // Get the instance of the ACPI table protocol\r | |
230 | //\r | |
231 | AcpiTableInstance = EFI_ACPI_TABLE_INSTANCE_FROM_THIS (This);\r | |
232 | \r | |
233 | //\r | |
234 | // Install the ACPI table\r | |
235 | //\r | |
236 | AcpiTableBufferConst = AllocateCopyPool (AcpiTableBufferSize,AcpiTableBuffer);\r | |
237 | *TableKey = 0;\r | |
5966402e | 238 | Status = AddTableToList (\r |
5f55c700 | 239 | AcpiTableInstance,\r |
240 | AcpiTableBufferConst,\r | |
71824dd8 | 241 | TRUE,\r |
f9bbb8d9 | 242 | Version,\r |
761329ee | 243 | FALSE,\r |
5f55c700 | 244 | TableKey\r |
245 | );\r | |
246 | if (!EFI_ERROR (Status)) {\r | |
247 | Status = PublishTables (\r | |
248 | AcpiTableInstance,\r | |
f9bbb8d9 | 249 | Version\r |
5f55c700 | 250 | );\r |
251 | }\r | |
252 | FreePool (AcpiTableBufferConst);\r | |
d1102dba | 253 | \r |
3dc8585e JY |
254 | //\r |
255 | // Add a new table successfully, notify registed callback\r | |
256 | //\r | |
257 | if (FeaturePcdGet (PcdInstallAcpiSdtProtocol)) {\r | |
258 | if (!EFI_ERROR (Status)) {\r | |
259 | SdtNotifyAcpiList (\r | |
260 | AcpiTableInstance,\r | |
f9bbb8d9 | 261 | Version,\r |
3dc8585e JY |
262 | *TableKey\r |
263 | );\r | |
264 | }\r | |
265 | }\r | |
266 | \r | |
5f55c700 | 267 | return Status;\r |
268 | }\r | |
269 | \r | |
270 | \r | |
271 | /**\r | |
272 | Removes an ACPI table from the RSDT/XSDT.\r | |
273 | \r | |
274 | @param This Protocol instance pointer.\r | |
275 | @param TableKey Specifies the table to uninstall. The key was returned from InstallAcpiTable().\r | |
276 | \r | |
277 | @return EFI_SUCCESS The table was successfully uninstalled.\r | |
278 | @return EFI_NOT_FOUND TableKey does not refer to a valid key for a table entry.\r | |
279 | \r | |
280 | **/\r | |
281 | EFI_STATUS\r | |
282 | EFIAPI\r | |
283 | UninstallAcpiTable (\r | |
db0f0d3c | 284 | IN EFI_ACPI_TABLE_PROTOCOL *This,\r |
285 | IN UINTN TableKey\r | |
5f55c700 | 286 | )\r |
287 | {\r | |
288 | EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance;\r | |
289 | EFI_STATUS Status;\r | |
f859c679 | 290 | EFI_ACPI_TABLE_VERSION Version;\r |
5f55c700 | 291 | \r |
292 | //\r | |
293 | // Get the instance of the ACPI table protocol\r | |
294 | //\r | |
295 | AcpiTableInstance = EFI_ACPI_TABLE_INSTANCE_FROM_THIS (This);\r | |
296 | \r | |
f859c679 AB |
297 | Version = PcdGet32 (PcdAcpiExposedTableVersions);\r |
298 | \r | |
5f55c700 | 299 | //\r |
300 | // Uninstall the ACPI table\r | |
301 | //\r | |
5966402e | 302 | Status = RemoveTableFromList (\r |
5f55c700 | 303 | AcpiTableInstance,\r |
f859c679 | 304 | Version,\r |
5966402e | 305 | TableKey\r |
5f55c700 | 306 | );\r |
307 | if (!EFI_ERROR (Status)) {\r | |
308 | Status = PublishTables (\r | |
309 | AcpiTableInstance,\r | |
f859c679 | 310 | Version\r |
5f55c700 | 311 | );\r |
312 | }\r | |
313 | \r | |
314 | if (EFI_ERROR (Status)) {\r | |
315 | return EFI_NOT_FOUND;\r | |
316 | } else {\r | |
317 | return EFI_SUCCESS;\r | |
318 | }\r | |
319 | }\r | |
320 | \r | |
da935a5c | 321 | /**\r |
322 | If the number of APCI tables exceeds the preallocated max table number, enlarge the table buffer.\r | |
323 | \r | |
324 | @param AcpiTableInstance ACPI table protocol instance data structure.\r | |
325 | \r | |
326 | @return EFI_SUCCESS reallocate the table beffer successfully.\r | |
327 | @return EFI_OUT_OF_RESOURCES Unable to allocate required resources.\r | |
328 | \r | |
329 | **/\r | |
330 | EFI_STATUS\r | |
331 | ReallocateAcpiTableBuffer (\r | |
332 | IN EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance\r | |
333 | )\r | |
334 | {\r | |
335 | UINTN NewMaxTableNumber;\r | |
336 | UINTN TotalSize;\r | |
337 | UINT8 *Pointer;\r | |
338 | EFI_PHYSICAL_ADDRESS PageAddress;\r | |
339 | EFI_ACPI_TABLE_INSTANCE TempPrivateData;\r | |
340 | EFI_STATUS Status;\r | |
341 | UINT64 CurrentData;\r | |
d1102dba LG |
342 | \r |
343 | CopyMem (&TempPrivateData, AcpiTableInstance, sizeof (EFI_ACPI_TABLE_INSTANCE));\r | |
da935a5c | 344 | //\r |
345 | // Enlarge the max table number from mEfiAcpiMaxNumTables to mEfiAcpiMaxNumTables + EFI_ACPI_MAX_NUM_TABLES\r | |
346 | //\r | |
347 | NewMaxTableNumber = mEfiAcpiMaxNumTables + EFI_ACPI_MAX_NUM_TABLES;\r | |
348 | //\r | |
37abfb7e | 349 | // Create RSDT, XSDT structures and allocate buffers.\r |
da935a5c | 350 | //\r |
f9bbb8d9 | 351 | TotalSize = sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 2.0/3.0 XSDT\r |
37abfb7e | 352 | NewMaxTableNumber * sizeof (UINT64);\r |
da935a5c | 353 | \r |
f9bbb8d9 AB |
354 | if ((PcdGet32 (PcdAcpiExposedTableVersions) & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r |
355 | TotalSize += sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 1.0 RSDT\r | |
356 | NewMaxTableNumber * sizeof (UINT32) +\r | |
357 | sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 2.0/3.0 RSDT\r | |
358 | NewMaxTableNumber * sizeof (UINT32);\r | |
359 | }\r | |
360 | \r | |
cf299745 AB |
361 | if (mAcpiTableAllocType != AllocateAnyPages) {\r |
362 | //\r | |
363 | // Allocate memory in the lower 32 bit of address range for\r | |
364 | // compatibility with ACPI 1.0 OS.\r | |
365 | //\r | |
366 | // This is done because ACPI 1.0 pointers are 32 bit values.\r | |
367 | // ACPI 2.0 OS and all 64 bit OS must use the 64 bit ACPI table addresses.\r | |
368 | // There is no architectural reason these should be below 4GB, it is purely\r | |
369 | // for convenience of implementation that we force memory below 4GB.\r | |
370 | //\r | |
371 | PageAddress = 0xFFFFFFFF;\r | |
372 | Status = gBS->AllocatePages (\r | |
373 | mAcpiTableAllocType,\r | |
374 | EfiACPIReclaimMemory,\r | |
375 | EFI_SIZE_TO_PAGES (TotalSize),\r | |
376 | &PageAddress\r | |
377 | );\r | |
378 | } else {\r | |
379 | Status = gBS->AllocatePool (\r | |
380 | EfiACPIReclaimMemory,\r | |
381 | TotalSize,\r | |
382 | (VOID **)&Pointer\r | |
383 | );\r | |
384 | }\r | |
da935a5c | 385 | \r |
386 | if (EFI_ERROR (Status)) {\r | |
387 | return EFI_OUT_OF_RESOURCES;\r | |
388 | }\r | |
389 | \r | |
cf299745 AB |
390 | if (mAcpiTableAllocType != AllocateAnyPages) {\r |
391 | Pointer = (UINT8 *)(UINTN)PageAddress;\r | |
392 | }\r | |
393 | \r | |
da935a5c | 394 | ZeroMem (Pointer, TotalSize);\r |
d1102dba | 395 | \r |
da935a5c | 396 | AcpiTableInstance->Rsdt1 = (EFI_ACPI_DESCRIPTION_HEADER *) Pointer;\r |
f9bbb8d9 AB |
397 | if ((PcdGet32 (PcdAcpiExposedTableVersions) & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r |
398 | Pointer += (sizeof (EFI_ACPI_DESCRIPTION_HEADER) + NewMaxTableNumber * sizeof (UINT32));\r | |
399 | AcpiTableInstance->Rsdt3 = (EFI_ACPI_DESCRIPTION_HEADER *) Pointer;\r | |
400 | Pointer += (sizeof (EFI_ACPI_DESCRIPTION_HEADER) + NewMaxTableNumber * sizeof (UINT32));\r | |
401 | }\r | |
da935a5c | 402 | AcpiTableInstance->Xsdt = (EFI_ACPI_DESCRIPTION_HEADER *) Pointer;\r |
5f55c700 | 403 | \r |
da935a5c | 404 | //\r |
37abfb7e | 405 | // Update RSDP to point to the new Rsdt and Xsdt address.\r |
da935a5c | 406 | //\r |
f9bbb8d9 AB |
407 | if ((PcdGet32 (PcdAcpiExposedTableVersions) & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r |
408 | AcpiTableInstance->Rsdp1->RsdtAddress = (UINT32) (UINTN) AcpiTableInstance->Rsdt1;\r | |
409 | AcpiTableInstance->Rsdp3->RsdtAddress = (UINT32) (UINTN) AcpiTableInstance->Rsdt3;\r | |
410 | }\r | |
da935a5c | 411 | CurrentData = (UINT64) (UINTN) AcpiTableInstance->Xsdt;\r |
412 | CopyMem (&AcpiTableInstance->Rsdp3->XsdtAddress, &CurrentData, sizeof (UINT64));\r | |
413 | \r | |
414 | //\r | |
d1102dba | 415 | // copy the original Rsdt1, Rsdt3 and Xsdt structure to new buffer\r |
da935a5c | 416 | //\r |
f9bbb8d9 | 417 | if ((PcdGet32 (PcdAcpiExposedTableVersions) & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r |
d1102dba LG |
418 | CopyMem (AcpiTableInstance->Rsdt1, TempPrivateData.Rsdt1, (sizeof (EFI_ACPI_DESCRIPTION_HEADER) + mEfiAcpiMaxNumTables * sizeof (UINT32)));\r |
419 | CopyMem (AcpiTableInstance->Rsdt3, TempPrivateData.Rsdt3, (sizeof (EFI_ACPI_DESCRIPTION_HEADER) + mEfiAcpiMaxNumTables * sizeof (UINT32)));\r | |
f9bbb8d9 | 420 | }\r |
da935a5c | 421 | CopyMem (AcpiTableInstance->Xsdt, TempPrivateData.Xsdt, (sizeof (EFI_ACPI_DESCRIPTION_HEADER) + mEfiAcpiMaxNumTables * sizeof (UINT64)));\r |
d1102dba | 422 | \r |
cf299745 AB |
423 | if (mAcpiTableAllocType != AllocateAnyPages) {\r |
424 | //\r | |
425 | // Calculate orignal ACPI table buffer size\r | |
426 | //\r | |
427 | TotalSize = sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 2.0/3.0 XSDT\r | |
428 | mEfiAcpiMaxNumTables * sizeof (UINT64);\r | |
429 | \r | |
430 | if ((PcdGet32 (PcdAcpiExposedTableVersions) & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
431 | TotalSize += sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 1.0 RSDT\r | |
432 | mEfiAcpiMaxNumTables * sizeof (UINT32) +\r | |
433 | sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 2.0/3.0 RSDT\r | |
434 | mEfiAcpiMaxNumTables * sizeof (UINT32);\r | |
435 | }\r | |
f9bbb8d9 | 436 | \r |
cf299745 AB |
437 | gBS->FreePages ((EFI_PHYSICAL_ADDRESS)(UINTN)TempPrivateData.Rsdt1,\r |
438 | EFI_SIZE_TO_PAGES (TotalSize));\r | |
439 | } else {\r | |
440 | gBS->FreePool (TempPrivateData.Rsdt1);\r | |
f9bbb8d9 AB |
441 | }\r |
442 | \r | |
da935a5c | 443 | //\r |
444 | // Update the Max ACPI table number\r | |
d1102dba | 445 | //\r |
da935a5c | 446 | mEfiAcpiMaxNumTables = NewMaxTableNumber;\r |
447 | return EFI_SUCCESS;\r | |
448 | }\r | |
198a46d7 | 449 | \r |
0e0ae47d AB |
450 | /**\r |
451 | Free the memory associated with the provided EFI_ACPI_TABLE_LIST instance.\r | |
452 | \r | |
453 | @param TableEntry EFI_ACPI_TABLE_LIST instance pointer\r | |
454 | \r | |
455 | **/\r | |
456 | STATIC\r | |
457 | VOID\r | |
458 | FreeTableMemory (\r | |
459 | EFI_ACPI_TABLE_LIST *TableEntry\r | |
460 | )\r | |
461 | {\r | |
462 | if (TableEntry->PoolAllocation) {\r | |
463 | gBS->FreePool (TableEntry->Table);\r | |
464 | } else {\r | |
465 | gBS->FreePages ((EFI_PHYSICAL_ADDRESS)(UINTN)TableEntry->Table,\r | |
466 | EFI_SIZE_TO_PAGES (TableEntry->TableSize));\r | |
467 | }\r | |
468 | }\r | |
469 | \r | |
5f55c700 | 470 | /**\r |
471 | This function adds an ACPI table to the table list. It will detect FACS and\r | |
472 | allocate the correct type of memory and properly align the table.\r | |
473 | \r | |
474 | @param AcpiTableInstance Instance of the protocol.\r | |
475 | @param Table Table to add.\r | |
476 | @param Checksum Does the table require checksumming.\r | |
477 | @param Version The version of the list to add the table to.\r | |
761329ee | 478 | @param IsFromHob True, if add Apci Table from Hob List.\r |
5f55c700 | 479 | @param Handle Pointer for returning the handle.\r |
480 | \r | |
481 | @return EFI_SUCCESS The function completed successfully.\r | |
482 | @return EFI_OUT_OF_RESOURCES Could not allocate a required resource.\r | |
5966402e SZ |
483 | @retval EFI_ACCESS_DENIED The table signature matches a table already\r |
484 | present in the system and platform policy\r | |
485 | does not allow duplicate tables of this type.\r | |
5f55c700 | 486 | \r |
487 | **/\r | |
488 | EFI_STATUS\r | |
489 | AddTableToList (\r | |
490 | IN EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance,\r | |
491 | IN VOID *Table,\r | |
492 | IN BOOLEAN Checksum,\r | |
493 | IN EFI_ACPI_TABLE_VERSION Version,\r | |
761329ee | 494 | IN BOOLEAN IsFromHob,\r |
5f55c700 | 495 | OUT UINTN *Handle\r |
496 | )\r | |
497 | {\r | |
0e0ae47d AB |
498 | EFI_STATUS Status;\r |
499 | EFI_ACPI_TABLE_LIST *CurrentTableList;\r | |
500 | UINT32 CurrentTableSignature;\r | |
501 | UINT32 CurrentTableSize;\r | |
502 | UINT32 *CurrentRsdtEntry;\r | |
503 | VOID *CurrentXsdtEntry;\r | |
504 | EFI_PHYSICAL_ADDRESS AllocPhysAddress;\r | |
505 | UINT64 Buffer64;\r | |
506 | BOOLEAN AddToRsdt;\r | |
5f55c700 | 507 | \r |
508 | //\r | |
509 | // Check for invalid input parameters\r | |
510 | //\r | |
511 | ASSERT (AcpiTableInstance);\r | |
512 | ASSERT (Table);\r | |
513 | ASSERT (Handle);\r | |
514 | \r | |
515 | //\r | |
516 | // Init locals\r | |
517 | //\r | |
518 | AddToRsdt = TRUE;\r | |
519 | \r | |
520 | //\r | |
521 | // Create a new list entry\r | |
522 | //\r | |
523 | CurrentTableList = AllocatePool (sizeof (EFI_ACPI_TABLE_LIST));\r | |
524 | ASSERT (CurrentTableList);\r | |
525 | \r | |
526 | //\r | |
527 | // Determine table type and size\r | |
528 | //\r | |
529 | CurrentTableSignature = ((EFI_ACPI_COMMON_HEADER *) Table)->Signature;\r | |
530 | CurrentTableSize = ((EFI_ACPI_COMMON_HEADER *) Table)->Length;\r | |
531 | \r | |
532 | //\r | |
533 | // Allocate a buffer for the table. All tables are allocated in the lower 32 bits of address space\r | |
534 | // for backwards compatibility with ACPI 1.0 OS.\r | |
535 | //\r | |
536 | // This is done because ACPI 1.0 pointers are 32 bit values.\r | |
537 | // ACPI 2.0 OS and all 64 bit OS must use the 64 bit ACPI table addresses.\r | |
538 | // There is no architectural reason these should be below 4GB, it is purely\r | |
539 | // for convenience of implementation that we force memory below 4GB.\r | |
540 | //\r | |
0e0ae47d AB |
541 | AllocPhysAddress = 0xFFFFFFFF;\r |
542 | CurrentTableList->TableSize = CurrentTableSize;\r | |
543 | CurrentTableList->PoolAllocation = FALSE;\r | |
5f55c700 | 544 | \r |
545 | //\r | |
546 | // Allocation memory type depends on the type of the table\r | |
547 | //\r | |
d1102dba | 548 | if ((CurrentTableSignature == EFI_ACPI_2_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE) ||\r |
36d58153 | 549 | (CurrentTableSignature == EFI_ACPI_4_0_UEFI_ACPI_DATA_TABLE_SIGNATURE)) {\r |
5f55c700 | 550 | //\r |
551 | // Allocate memory for the FACS. This structure must be aligned\r | |
552 | // on a 64 byte boundary and must be ACPI NVS memory.\r | |
553 | // Using AllocatePages should ensure that it is always aligned.\r | |
36d58153 JY |
554 | // Do not change signature for new ACPI version because they are same.\r |
555 | //\r | |
556 | // UEFI table also need to be in ACPI NVS memory, because some data field\r | |
557 | // could be updated by OS present agent. For example, BufferPtrAddress in\r | |
558 | // SMM communication ACPI table.\r | |
5f55c700 | 559 | //\r |
560 | ASSERT ((EFI_PAGE_SIZE % 64) == 0);\r | |
761329ee ZL |
561 | if (IsFromHob){\r |
562 | AllocPhysAddress = (UINTN)Table;\r | |
563 | Status = EFI_SUCCESS;\r | |
564 | } else {\r | |
565 | Status = gBS->AllocatePages (\r | |
566 | AllocateMaxAddress,\r | |
567 | EfiACPIMemoryNVS,\r | |
568 | EFI_SIZE_TO_PAGES (CurrentTableList->TableSize),\r | |
569 | &AllocPhysAddress\r | |
570 | );\r | |
571 | }\r | |
0e0ae47d AB |
572 | } else if (mAcpiTableAllocType == AllocateAnyPages) {\r |
573 | //\r | |
574 | // If there is no allocation limit, there is also no need to use page\r | |
575 | // based allocations for ACPI tables, which may be wasteful on platforms\r | |
576 | // such as AArch64 that allocate multiples of 64 KB\r | |
577 | //\r | |
578 | Status = gBS->AllocatePool (\r | |
579 | EfiACPIReclaimMemory,\r | |
580 | CurrentTableList->TableSize,\r | |
581 | (VOID **)&CurrentTableList->Table\r | |
5f55c700 | 582 | );\r |
0e0ae47d | 583 | CurrentTableList->PoolAllocation = TRUE;\r |
5f55c700 | 584 | } else {\r |
585 | //\r | |
586 | // All other tables are ACPI reclaim memory, no alignment requirements.\r | |
587 | //\r | |
588 | Status = gBS->AllocatePages (\r | |
f9bbb8d9 | 589 | mAcpiTableAllocType,\r |
5f55c700 | 590 | EfiACPIReclaimMemory,\r |
0e0ae47d AB |
591 | EFI_SIZE_TO_PAGES (CurrentTableList->TableSize),\r |
592 | &AllocPhysAddress\r | |
5f55c700 | 593 | );\r |
0e0ae47d | 594 | CurrentTableList->Table = (EFI_ACPI_COMMON_HEADER *)(UINTN)AllocPhysAddress;\r |
5f55c700 | 595 | }\r |
596 | //\r | |
597 | // Check return value from memory alloc.\r | |
598 | //\r | |
599 | if (EFI_ERROR (Status)) {\r | |
600 | gBS->FreePool (CurrentTableList);\r | |
601 | return EFI_OUT_OF_RESOURCES;\r | |
602 | }\r | |
0e0ae47d AB |
603 | \r |
604 | if (!CurrentTableList->PoolAllocation) {\r | |
605 | CurrentTableList->Table = (EFI_ACPI_COMMON_HEADER *)(UINTN)AllocPhysAddress;\r | |
606 | }\r | |
5f55c700 | 607 | \r |
608 | //\r | |
609 | // Initialize the table contents\r | |
610 | //\r | |
611 | CurrentTableList->Signature = EFI_ACPI_TABLE_LIST_SIGNATURE;\r | |
612 | CopyMem (CurrentTableList->Table, Table, CurrentTableSize);\r | |
613 | CurrentTableList->Handle = AcpiTableInstance->CurrentHandle++;\r | |
614 | *Handle = CurrentTableList->Handle;\r | |
615 | CurrentTableList->Version = Version;\r | |
616 | \r | |
617 | //\r | |
618 | // Update internal pointers if this is a required table. If it is a required\r | |
619 | // table and a table of that type already exists, return an error.\r | |
620 | //\r | |
621 | // Calculate the checksum if the table is not FACS.\r | |
622 | //\r | |
623 | switch (CurrentTableSignature) {\r | |
624 | \r | |
625 | case EFI_ACPI_1_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE:\r | |
626 | //\r | |
627 | // We don't add the FADT in the standard way because some\r | |
628 | // OS expect the FADT to be early in the table list.\r | |
629 | // So we always add it as the first element in the list.\r | |
630 | //\r | |
631 | AddToRsdt = FALSE;\r | |
632 | \r | |
633 | //\r | |
634 | // Check that the table has not been previously added.\r | |
635 | //\r | |
636 | if (((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0 && AcpiTableInstance->Fadt1 != NULL) ||\r | |
f0071740 | 637 | ((Version & ACPI_TABLE_VERSION_GTE_2_0) != 0 && AcpiTableInstance->Fadt3 != NULL)\r |
5f55c700 | 638 | ) {\r |
0e0ae47d | 639 | FreeTableMemory (CurrentTableList);\r |
5f55c700 | 640 | gBS->FreePool (CurrentTableList);\r |
5966402e | 641 | return EFI_ACCESS_DENIED;\r |
5f55c700 | 642 | }\r |
643 | //\r | |
644 | // Add the table to the appropriate table version\r | |
645 | //\r | |
646 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
647 | //\r | |
648 | // Save a pointer to the table\r | |
649 | //\r | |
650 | AcpiTableInstance->Fadt1 = (EFI_ACPI_1_0_FIXED_ACPI_DESCRIPTION_TABLE *) CurrentTableList->Table;\r | |
651 | \r | |
652 | //\r | |
653 | // Update pointers in FADT. If tables don't exist this will put NULL pointers there.\r | |
654 | //\r | |
655 | AcpiTableInstance->Fadt1->FirmwareCtrl = (UINT32) (UINTN) AcpiTableInstance->Facs1;\r | |
656 | AcpiTableInstance->Fadt1->Dsdt = (UINT32) (UINTN) AcpiTableInstance->Dsdt1;\r | |
657 | \r | |
658 | //\r | |
659 | // RSDP OEM information is updated to match the FADT OEM information\r | |
660 | //\r | |
661 | CopyMem (\r | |
662 | &AcpiTableInstance->Rsdp1->OemId,\r | |
663 | &AcpiTableInstance->Fadt1->Header.OemId,\r | |
664 | 6\r | |
665 | );\r | |
666 | \r | |
667 | //\r | |
668 | // RSDT OEM information is updated to match the FADT OEM information.\r | |
669 | //\r | |
670 | CopyMem (\r | |
671 | &AcpiTableInstance->Rsdt1->OemId,\r | |
672 | &AcpiTableInstance->Fadt1->Header.OemId,\r | |
673 | 6\r | |
674 | );\r | |
675 | \r | |
676 | CopyMem (\r | |
677 | &AcpiTableInstance->Rsdt1->OemTableId,\r | |
678 | &AcpiTableInstance->Fadt1->Header.OemTableId,\r | |
679 | sizeof (UINT64)\r | |
680 | );\r | |
681 | AcpiTableInstance->Rsdt1->OemRevision = AcpiTableInstance->Fadt1->Header.OemRevision;\r | |
682 | }\r | |
683 | \r | |
f0071740 | 684 | if ((Version & ACPI_TABLE_VERSION_GTE_2_0) != 0) {\r |
5f55c700 | 685 | //\r |
686 | // Save a pointer to the table\r | |
687 | //\r | |
688 | AcpiTableInstance->Fadt3 = (EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE *) CurrentTableList->Table;\r | |
689 | \r | |
690 | //\r | |
691 | // Update pointers in FADT. If tables don't exist this will put NULL pointers there.\r | |
d1102dba | 692 | // Note: If the FIRMWARE_CTRL is non-zero, then X_FIRMWARE_CTRL must be zero, and\r |
c93776c2 | 693 | // vice-versa.\r |
5f55c700 | 694 | //\r |
10342a64 | 695 | if ((UINT64)(UINTN)AcpiTableInstance->Facs3 < BASE_4GB) {\r |
c93776c2 | 696 | AcpiTableInstance->Fadt3->FirmwareCtrl = (UINT32) (UINTN) AcpiTableInstance->Facs3;\r |
f798e8bf | 697 | ZeroMem (&AcpiTableInstance->Fadt3->XFirmwareCtrl, sizeof (UINT64));\r |
c93776c2 JY |
698 | } else {\r |
699 | Buffer64 = (UINT64) (UINTN) AcpiTableInstance->Facs3;\r | |
700 | CopyMem (\r | |
701 | &AcpiTableInstance->Fadt3->XFirmwareCtrl,\r | |
702 | &Buffer64,\r | |
703 | sizeof (UINT64)\r | |
704 | );\r | |
f798e8bf | 705 | AcpiTableInstance->Fadt3->FirmwareCtrl = 0;\r |
c93776c2 | 706 | }\r |
f9bbb8d9 | 707 | if ((UINT64)(UINTN)AcpiTableInstance->Dsdt3 < BASE_4GB) {\r |
9886ebfe | 708 | AcpiTableInstance->Fadt3->Dsdt = (UINT32) (UINTN) AcpiTableInstance->Dsdt3;\r |
78807f60 SZ |
709 | //\r |
710 | // Comment block "the caller installs the tables in "DSDT, FADT" order"\r | |
711 | // The below comments are also in "the caller installs the tables in "FADT, DSDT" order" comment block.\r | |
712 | //\r | |
713 | // The ACPI specification, up to and including revision 5.1 Errata A,\r | |
714 | // allows the DSDT and X_DSDT fields to be both set in the FADT.\r | |
715 | // (Obviously, this only makes sense if the DSDT address is representable in 4 bytes.)\r | |
716 | // Starting with 5.1 Errata B, specifically for Mantis 1393 <https://mantis.uefi.org/mantis/view.php?id=1393>,\r | |
717 | // the spec requires at most one of DSDT and X_DSDT fields to be set to a nonzero value,\r | |
718 | // but strangely an exception is 6.0 that has no this requirement.\r | |
719 | //\r | |
720 | // Here we do not make the DSDT and X_DSDT fields mutual exclusion conditionally\r | |
721 | // by checking FADT revision, but always set both DSDT and X_DSDT fields in the FADT\r | |
722 | // to have better compatibility as some OS may have assumption to only consume X_DSDT\r | |
723 | // field even the DSDT address is < 4G.\r | |
724 | //\r | |
725 | Buffer64 = AcpiTableInstance->Fadt3->Dsdt;\r | |
f9bbb8d9 | 726 | } else {\r |
f9bbb8d9 | 727 | AcpiTableInstance->Fadt3->Dsdt = 0;\r |
9886ebfe | 728 | Buffer64 = (UINT64) (UINTN) AcpiTableInstance->Dsdt3;\r |
f9bbb8d9 | 729 | }\r |
198a46d7 | 730 | CopyMem (&AcpiTableInstance->Fadt3->XDsdt, &Buffer64, sizeof (UINT64));\r |
5f55c700 | 731 | \r |
f0c855b2 | 732 | //\r |
733 | // RSDP OEM information is updated to match the FADT OEM information\r | |
734 | //\r | |
735 | CopyMem (\r | |
736 | &AcpiTableInstance->Rsdp3->OemId,\r | |
737 | &AcpiTableInstance->Fadt3->Header.OemId,\r | |
738 | 6\r | |
739 | );\r | |
d1102dba | 740 | \r |
f9bbb8d9 AB |
741 | if ((PcdGet32 (PcdAcpiExposedTableVersions) & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r |
742 | //\r | |
743 | // RSDT OEM information is updated to match FADT OEM information.\r | |
744 | //\r | |
745 | CopyMem (\r | |
746 | &AcpiTableInstance->Rsdt3->OemId,\r | |
747 | &AcpiTableInstance->Fadt3->Header.OemId,\r | |
748 | 6\r | |
749 | );\r | |
750 | CopyMem (\r | |
751 | &AcpiTableInstance->Rsdt3->OemTableId,\r | |
752 | &AcpiTableInstance->Fadt3->Header.OemTableId,\r | |
753 | sizeof (UINT64)\r | |
754 | );\r | |
755 | AcpiTableInstance->Rsdt3->OemRevision = AcpiTableInstance->Fadt3->Header.OemRevision;\r | |
756 | }\r | |
757 | \r | |
f0c855b2 | 758 | //\r |
759 | // XSDT OEM information is updated to match FADT OEM information.\r | |
760 | //\r | |
761 | CopyMem (\r | |
762 | &AcpiTableInstance->Xsdt->OemId,\r | |
763 | &AcpiTableInstance->Fadt3->Header.OemId,\r | |
764 | 6\r | |
765 | );\r | |
766 | CopyMem (\r | |
767 | &AcpiTableInstance->Xsdt->OemTableId,\r | |
768 | &AcpiTableInstance->Fadt3->Header.OemTableId,\r | |
769 | sizeof (UINT64)\r | |
770 | );\r | |
771 | AcpiTableInstance->Xsdt->OemRevision = AcpiTableInstance->Fadt3->Header.OemRevision;\r | |
d1102dba | 772 | }\r |
5f55c700 | 773 | //\r |
774 | // Checksum the table\r | |
775 | //\r | |
776 | if (Checksum) {\r | |
777 | AcpiPlatformChecksum (\r | |
778 | CurrentTableList->Table,\r | |
779 | CurrentTableList->Table->Length,\r | |
780 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
781 | Checksum)\r | |
782 | );\r | |
783 | }\r | |
784 | break;\r | |
785 | \r | |
786 | case EFI_ACPI_1_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE:\r | |
787 | //\r | |
788 | // Check that the table has not been previously added.\r | |
789 | //\r | |
790 | if (((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0 && AcpiTableInstance->Facs1 != NULL) ||\r | |
f0071740 | 791 | ((Version & ACPI_TABLE_VERSION_GTE_2_0) != 0 && AcpiTableInstance->Facs3 != NULL)\r |
5f55c700 | 792 | ) {\r |
0e0ae47d | 793 | FreeTableMemory (CurrentTableList);\r |
5f55c700 | 794 | gBS->FreePool (CurrentTableList);\r |
5966402e | 795 | return EFI_ACCESS_DENIED;\r |
5f55c700 | 796 | }\r |
797 | //\r | |
798 | // FACS is referenced by FADT and is not part of RSDT\r | |
799 | //\r | |
800 | AddToRsdt = FALSE;\r | |
801 | \r | |
802 | //\r | |
803 | // Add the table to the appropriate table version\r | |
804 | //\r | |
805 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
806 | //\r | |
807 | // Save a pointer to the table\r | |
808 | //\r | |
809 | AcpiTableInstance->Facs1 = (EFI_ACPI_1_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *) CurrentTableList->Table;\r | |
810 | \r | |
811 | //\r | |
812 | // If FADT already exists, update table pointers.\r | |
813 | //\r | |
814 | if (AcpiTableInstance->Fadt1 != NULL) {\r | |
815 | AcpiTableInstance->Fadt1->FirmwareCtrl = (UINT32) (UINTN) AcpiTableInstance->Facs1;\r | |
816 | \r | |
817 | //\r | |
818 | // Checksum FADT table\r | |
819 | //\r | |
820 | AcpiPlatformChecksum (\r | |
821 | AcpiTableInstance->Fadt1,\r | |
822 | AcpiTableInstance->Fadt1->Header.Length,\r | |
823 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
824 | Checksum)\r | |
825 | );\r | |
826 | }\r | |
827 | }\r | |
828 | \r | |
f0071740 | 829 | if ((Version & ACPI_TABLE_VERSION_GTE_2_0) != 0) {\r |
5f55c700 | 830 | //\r |
831 | // Save a pointer to the table\r | |
832 | //\r | |
833 | AcpiTableInstance->Facs3 = (EFI_ACPI_3_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *) CurrentTableList->Table;\r | |
834 | \r | |
835 | //\r | |
836 | // If FADT already exists, update table pointers.\r | |
837 | //\r | |
838 | if (AcpiTableInstance->Fadt3 != NULL) {\r | |
c93776c2 | 839 | //\r |
d1102dba | 840 | // Note: If the FIRMWARE_CTRL is non-zero, then X_FIRMWARE_CTRL must be zero, and\r |
c93776c2 JY |
841 | // vice-versa.\r |
842 | //\r | |
10342a64 | 843 | if ((UINT64)(UINTN)AcpiTableInstance->Facs3 < BASE_4GB) {\r |
c93776c2 | 844 | AcpiTableInstance->Fadt3->FirmwareCtrl = (UINT32) (UINTN) AcpiTableInstance->Facs3;\r |
f798e8bf | 845 | ZeroMem (&AcpiTableInstance->Fadt3->XFirmwareCtrl, sizeof (UINT64));\r |
c93776c2 JY |
846 | } else {\r |
847 | Buffer64 = (UINT64) (UINTN) AcpiTableInstance->Facs3;\r | |
848 | CopyMem (\r | |
849 | &AcpiTableInstance->Fadt3->XFirmwareCtrl,\r | |
850 | &Buffer64,\r | |
851 | sizeof (UINT64)\r | |
852 | );\r | |
f798e8bf | 853 | AcpiTableInstance->Fadt3->FirmwareCtrl = 0;\r |
c93776c2 | 854 | }\r |
5f55c700 | 855 | \r |
856 | //\r | |
857 | // Checksum FADT table\r | |
858 | //\r | |
859 | AcpiPlatformChecksum (\r | |
860 | AcpiTableInstance->Fadt3,\r | |
861 | AcpiTableInstance->Fadt3->Header.Length,\r | |
862 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
863 | Checksum)\r | |
864 | );\r | |
865 | }\r | |
866 | }\r | |
867 | \r | |
868 | break;\r | |
869 | \r | |
870 | case EFI_ACPI_1_0_DIFFERENTIATED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE:\r | |
871 | //\r | |
872 | // Check that the table has not been previously added.\r | |
873 | //\r | |
874 | if (((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0 && AcpiTableInstance->Dsdt1 != NULL) ||\r | |
f0071740 | 875 | ((Version & ACPI_TABLE_VERSION_GTE_2_0) != 0 && AcpiTableInstance->Dsdt3 != NULL)\r |
5f55c700 | 876 | ) {\r |
0e0ae47d | 877 | FreeTableMemory (CurrentTableList);\r |
5f55c700 | 878 | gBS->FreePool (CurrentTableList);\r |
5966402e | 879 | return EFI_ACCESS_DENIED;\r |
5f55c700 | 880 | }\r |
881 | //\r | |
882 | // DSDT is referenced by FADT and is not part of RSDT\r | |
883 | //\r | |
884 | AddToRsdt = FALSE;\r | |
885 | \r | |
886 | //\r | |
887 | // Add the table to the appropriate table version\r | |
888 | //\r | |
889 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
890 | //\r | |
891 | // Save a pointer to the table\r | |
892 | //\r | |
893 | AcpiTableInstance->Dsdt1 = (EFI_ACPI_DESCRIPTION_HEADER *) CurrentTableList->Table;\r | |
894 | \r | |
895 | //\r | |
896 | // If FADT already exists, update table pointers.\r | |
897 | //\r | |
898 | if (AcpiTableInstance->Fadt1 != NULL) {\r | |
899 | AcpiTableInstance->Fadt1->Dsdt = (UINT32) (UINTN) AcpiTableInstance->Dsdt1;\r | |
900 | \r | |
901 | //\r | |
902 | // Checksum FADT table\r | |
903 | //\r | |
904 | AcpiPlatformChecksum (\r | |
905 | AcpiTableInstance->Fadt1,\r | |
906 | AcpiTableInstance->Fadt1->Header.Length,\r | |
907 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
908 | Checksum)\r | |
909 | );\r | |
910 | }\r | |
911 | }\r | |
d1102dba | 912 | \r |
f0071740 | 913 | if ((Version & ACPI_TABLE_VERSION_GTE_2_0) != 0) {\r |
5f55c700 | 914 | //\r |
915 | // Save a pointer to the table\r | |
916 | //\r | |
917 | AcpiTableInstance->Dsdt3 = (EFI_ACPI_DESCRIPTION_HEADER *) CurrentTableList->Table;\r | |
918 | \r | |
919 | //\r | |
920 | // If FADT already exists, update table pointers.\r | |
921 | //\r | |
922 | if (AcpiTableInstance->Fadt3 != NULL) {\r | |
f9bbb8d9 | 923 | if ((UINT64)(UINTN)AcpiTableInstance->Dsdt3 < BASE_4GB) {\r |
9886ebfe | 924 | AcpiTableInstance->Fadt3->Dsdt = (UINT32) (UINTN) AcpiTableInstance->Dsdt3;\r |
78807f60 SZ |
925 | //\r |
926 | // Comment block "the caller installs the tables in "FADT, DSDT" order"\r | |
927 | // The below comments are also in "the caller installs the tables in "DSDT, FADT" order" comment block.\r | |
928 | //\r | |
929 | // The ACPI specification, up to and including revision 5.1 Errata A,\r | |
930 | // allows the DSDT and X_DSDT fields to be both set in the FADT.\r | |
931 | // (Obviously, this only makes sense if the DSDT address is representable in 4 bytes.)\r | |
932 | // Starting with 5.1 Errata B, specifically for Mantis 1393 <https://mantis.uefi.org/mantis/view.php?id=1393>,\r | |
933 | // the spec requires at most one of DSDT and X_DSDT fields to be set to a nonzero value,\r | |
934 | // but strangely an exception is 6.0 that has no this requirement.\r | |
935 | //\r | |
936 | // Here we do not make the DSDT and X_DSDT fields mutual exclusion conditionally\r | |
937 | // by checking FADT revision, but always set both DSDT and X_DSDT fields in the FADT\r | |
938 | // to have better compatibility as some OS may have assumption to only consume X_DSDT\r | |
939 | // field even the DSDT address is < 4G.\r | |
940 | //\r | |
941 | Buffer64 = AcpiTableInstance->Fadt3->Dsdt;\r | |
198a46d7 LE |
942 | } else {\r |
943 | AcpiTableInstance->Fadt3->Dsdt = 0;\r | |
944 | Buffer64 = (UINT64) (UINTN) AcpiTableInstance->Dsdt3;\r | |
f9bbb8d9 | 945 | }\r |
9886ebfe | 946 | CopyMem (&AcpiTableInstance->Fadt3->XDsdt, &Buffer64, sizeof (UINT64));\r |
5f55c700 | 947 | \r |
948 | //\r | |
949 | // Checksum FADT table\r | |
950 | //\r | |
951 | AcpiPlatformChecksum (\r | |
952 | AcpiTableInstance->Fadt3,\r | |
953 | AcpiTableInstance->Fadt3->Header.Length,\r | |
954 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
955 | Checksum)\r | |
956 | );\r | |
957 | }\r | |
d1102dba | 958 | }\r |
5f55c700 | 959 | //\r |
960 | // Checksum the table\r | |
961 | //\r | |
962 | if (Checksum) {\r | |
963 | AcpiPlatformChecksum (\r | |
964 | CurrentTableList->Table,\r | |
965 | CurrentTableList->Table->Length,\r | |
966 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
967 | Checksum)\r | |
968 | );\r | |
969 | }\r | |
970 | break;\r | |
971 | \r | |
972 | default:\r | |
973 | //\r | |
974 | // Checksum the table\r | |
975 | //\r | |
976 | if (Checksum) {\r | |
977 | AcpiPlatformChecksum (\r | |
978 | CurrentTableList->Table,\r | |
979 | CurrentTableList->Table->Length,\r | |
980 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
981 | Checksum)\r | |
982 | );\r | |
983 | }\r | |
984 | break;\r | |
985 | }\r | |
986 | //\r | |
987 | // Add the table to the current list of tables\r | |
988 | //\r | |
989 | InsertTailList (&AcpiTableInstance->TableList, &CurrentTableList->Link);\r | |
990 | \r | |
991 | //\r | |
992 | // Add the table to RSDT and/or XSDT table entry lists.\r | |
993 | //\r | |
994 | //\r | |
995 | // Add to ACPI 1.0b table tree\r | |
996 | //\r | |
997 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
5f55c700 | 998 | if (AddToRsdt) {\r |
999 | //\r | |
da935a5c | 1000 | // If the table number exceed the gEfiAcpiMaxNumTables, enlarge the table buffer\r |
5f55c700 | 1001 | //\r |
da935a5c | 1002 | if (AcpiTableInstance->NumberOfTableEntries1 >= mEfiAcpiMaxNumTables) {\r |
1003 | Status = ReallocateAcpiTableBuffer (AcpiTableInstance);\r | |
1004 | ASSERT_EFI_ERROR (Status);\r | |
1005 | }\r | |
5f55c700 | 1006 | CurrentRsdtEntry = (UINT32 *)\r |
1007 | (\r | |
da935a5c | 1008 | (UINT8 *) AcpiTableInstance->Rsdt1 +\r |
5f55c700 | 1009 | sizeof (EFI_ACPI_DESCRIPTION_HEADER) +\r |
da935a5c | 1010 | AcpiTableInstance->NumberOfTableEntries1 *\r |
5f55c700 | 1011 | sizeof (UINT32)\r |
1012 | );\r | |
1013 | \r | |
1014 | //\r | |
da935a5c | 1015 | // Add entry to the RSDT unless its the FACS or DSDT\r |
5f55c700 | 1016 | //\r |
1017 | *CurrentRsdtEntry = (UINT32) (UINTN) CurrentTableList->Table;\r | |
1018 | \r | |
1019 | //\r | |
1020 | // Update RSDT length\r | |
1021 | //\r | |
da935a5c | 1022 | AcpiTableInstance->Rsdt1->Length = AcpiTableInstance->Rsdt1->Length + sizeof (UINT32);\r |
5f55c700 | 1023 | \r |
da935a5c | 1024 | AcpiTableInstance->NumberOfTableEntries1++;\r |
1025 | }\r | |
1026 | }\r | |
1027 | //\r | |
1028 | // Add to ACPI 2.0/3.0 table tree\r | |
1029 | //\r | |
f0071740 | 1030 | if ((Version & ACPI_TABLE_VERSION_GTE_2_0) != 0) {\r |
f9bbb8d9 AB |
1031 | if (AddToRsdt) {\r |
1032 | //\r | |
1033 | // If the table number exceed the gEfiAcpiMaxNumTables, enlarge the table buffer\r | |
1034 | //\r | |
1035 | if (AcpiTableInstance->NumberOfTableEntries3 >= mEfiAcpiMaxNumTables) {\r | |
1036 | Status = ReallocateAcpiTableBuffer (AcpiTableInstance);\r | |
1037 | ASSERT_EFI_ERROR (Status);\r | |
1038 | }\r | |
1039 | \r | |
1040 | if ((PcdGet32 (PcdAcpiExposedTableVersions) & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
1041 | //\r | |
1042 | // At this time, it is assumed that RSDT and XSDT maintain parallel lists of tables.\r | |
1043 | // If it becomes necessary to maintain separate table lists, changes will be required.\r | |
1044 | //\r | |
1045 | CurrentRsdtEntry = (UINT32 *)\r | |
da935a5c | 1046 | (\r |
1047 | (UINT8 *) AcpiTableInstance->Rsdt3 +\r | |
1048 | sizeof (EFI_ACPI_DESCRIPTION_HEADER) +\r | |
1049 | AcpiTableInstance->NumberOfTableEntries3 *\r | |
1050 | sizeof (UINT32)\r | |
1051 | );\r | |
3a61de23 AB |
1052 | \r |
1053 | //\r | |
1054 | // Add entry to the RSDT\r | |
1055 | //\r | |
1056 | *CurrentRsdtEntry = (UINT32) (UINTN) CurrentTableList->Table;\r | |
1057 | \r | |
1058 | //\r | |
1059 | // Update RSDT length\r | |
1060 | //\r | |
1061 | AcpiTableInstance->Rsdt3->Length = AcpiTableInstance->Rsdt3->Length + sizeof (UINT32);\r | |
f9bbb8d9 | 1062 | }\r |
da935a5c | 1063 | \r |
f9bbb8d9 AB |
1064 | //\r |
1065 | // This pointer must not be directly dereferenced as the XSDT entries may not\r | |
1066 | // be 64 bit aligned resulting in a possible fault. Use CopyMem to update.\r | |
1067 | //\r | |
1068 | CurrentXsdtEntry = (VOID *)\r | |
1069 | (\r | |
1070 | (UINT8 *) AcpiTableInstance->Xsdt +\r | |
1071 | sizeof (EFI_ACPI_DESCRIPTION_HEADER) +\r | |
1072 | AcpiTableInstance->NumberOfTableEntries3 *\r | |
1073 | sizeof (UINT64)\r | |
1074 | );\r | |
da935a5c | 1075 | \r |
f9bbb8d9 AB |
1076 | //\r |
1077 | // Add entry to XSDT, XSDT expects 64 bit pointers, but\r | |
1078 | // the table pointers in XSDT are not aligned on 8 byte boundary.\r | |
1079 | //\r | |
1080 | Buffer64 = (UINT64) (UINTN) CurrentTableList->Table;\r | |
1081 | CopyMem (\r | |
1082 | CurrentXsdtEntry,\r | |
1083 | &Buffer64,\r | |
1084 | sizeof (UINT64)\r | |
1085 | );\r | |
da935a5c | 1086 | \r |
f9bbb8d9 AB |
1087 | //\r |
1088 | // Update length\r | |
1089 | //\r | |
1090 | AcpiTableInstance->Xsdt->Length = AcpiTableInstance->Xsdt->Length + sizeof (UINT64);\r | |
1091 | \r | |
1092 | AcpiTableInstance->NumberOfTableEntries3++;\r | |
5f55c700 | 1093 | }\r |
5f55c700 | 1094 | }\r |
1095 | \r | |
1096 | ChecksumCommonTables (AcpiTableInstance);\r | |
1097 | return EFI_SUCCESS;\r | |
1098 | }\r | |
1099 | \r | |
1100 | \r | |
1101 | /**\r | |
1102 | This function finds the table specified by the handle and returns a pointer to it.\r | |
1103 | If the handle is not found, EFI_NOT_FOUND is returned and the contents of Table are\r | |
1104 | undefined.\r | |
1105 | \r | |
1106 | @param Handle Table to find.\r | |
1107 | @param TableList Table list to search\r | |
d1102dba | 1108 | @param Table Pointer to table found.\r |
5f55c700 | 1109 | \r |
1110 | @return EFI_SUCCESS The function completed successfully.\r | |
1111 | @return EFI_NOT_FOUND No table found matching the handle specified.\r | |
1112 | \r | |
1113 | **/\r | |
1114 | EFI_STATUS\r | |
1115 | FindTableByHandle (\r | |
1116 | IN UINTN Handle,\r | |
1117 | IN LIST_ENTRY *TableList,\r | |
1118 | OUT EFI_ACPI_TABLE_LIST **Table\r | |
1119 | )\r | |
1120 | {\r | |
1121 | LIST_ENTRY *CurrentLink;\r | |
1122 | EFI_ACPI_TABLE_LIST *CurrentTable;\r | |
1123 | \r | |
1124 | //\r | |
1125 | // Check for invalid input parameters\r | |
1126 | //\r | |
1127 | ASSERT (Table);\r | |
1128 | \r | |
1129 | //\r | |
1130 | // Find the table\r | |
1131 | //\r | |
1132 | CurrentLink = TableList->ForwardLink;\r | |
1133 | \r | |
1134 | while (CurrentLink != TableList) {\r | |
1135 | CurrentTable = EFI_ACPI_TABLE_LIST_FROM_LINK (CurrentLink);\r | |
1136 | if (CurrentTable->Handle == Handle) {\r | |
1137 | //\r | |
1138 | // Found handle, so return this table.\r | |
1139 | //\r | |
1140 | *Table = CurrentTable;\r | |
1141 | return EFI_SUCCESS;\r | |
1142 | }\r | |
1143 | \r | |
1144 | CurrentLink = CurrentLink->ForwardLink;\r | |
1145 | }\r | |
1146 | //\r | |
1147 | // Table not found\r | |
1148 | //\r | |
1149 | return EFI_NOT_FOUND;\r | |
1150 | }\r | |
1151 | \r | |
1152 | \r | |
1153 | /**\r | |
1154 | This function removes a basic table from the RSDT and/or XSDT.\r | |
1155 | For Acpi 1.0 tables, pass in the Rsdt.\r | |
1156 | For Acpi 2.0 tables, pass in both Rsdt and Xsdt.\r | |
1157 | \r | |
d1102dba | 1158 | @param Table Pointer to table found.\r |
5f55c700 | 1159 | @param NumberOfTableEntries Current number of table entries in the RSDT/XSDT\r |
1160 | @param Rsdt Pointer to the RSDT to remove from\r | |
1161 | @param Xsdt Pointer to the Xsdt to remove from\r | |
1162 | \r | |
1163 | @return EFI_SUCCESS The function completed successfully.\r | |
1164 | @return EFI_INVALID_PARAMETER The table was not found in both Rsdt and Xsdt.\r | |
1165 | \r | |
1166 | **/\r | |
1167 | EFI_STATUS\r | |
1168 | RemoveTableFromRsdt (\r | |
1169 | IN OUT EFI_ACPI_TABLE_LIST * Table,\r | |
1170 | IN OUT UINTN *NumberOfTableEntries,\r | |
f9bbb8d9 | 1171 | IN OUT EFI_ACPI_DESCRIPTION_HEADER * Rsdt OPTIONAL,\r |
5f55c700 | 1172 | IN OUT EFI_ACPI_DESCRIPTION_HEADER * Xsdt OPTIONAL\r |
1173 | )\r | |
1174 | {\r | |
1175 | UINT32 *CurrentRsdtEntry;\r | |
1176 | VOID *CurrentXsdtEntry;\r | |
1177 | UINT64 CurrentTablePointer64;\r | |
1178 | UINTN Index;\r | |
1179 | \r | |
1180 | //\r | |
1181 | // Check for invalid input parameters\r | |
1182 | //\r | |
1183 | ASSERT (Table);\r | |
1184 | ASSERT (NumberOfTableEntries);\r | |
f9bbb8d9 | 1185 | ASSERT (Rsdt || Xsdt);\r |
5f55c700 | 1186 | \r |
1187 | //\r | |
1188 | // Find the table entry in the RSDT and XSDT\r | |
1189 | //\r | |
1190 | for (Index = 0; Index < *NumberOfTableEntries; Index++) {\r | |
1191 | //\r | |
1192 | // At this time, it is assumed that RSDT and XSDT maintain parallel lists of tables.\r | |
1193 | // If it becomes necessary to maintain separate table lists, changes will be required.\r | |
1194 | //\r | |
f9bbb8d9 AB |
1195 | if (Rsdt != NULL) {\r |
1196 | CurrentRsdtEntry = (UINT32 *) ((UINT8 *) Rsdt + sizeof (EFI_ACPI_DESCRIPTION_HEADER) + Index * sizeof (UINT32));\r | |
1197 | } else {\r | |
1198 | CurrentRsdtEntry = NULL;\r | |
1199 | }\r | |
5f55c700 | 1200 | if (Xsdt != NULL) {\r |
1201 | //\r | |
1202 | // This pointer must not be directly dereferenced as the XSDT entries may not\r | |
1203 | // be 64 bit aligned resulting in a possible fault. Use CopyMem to update.\r | |
1204 | //\r | |
1205 | CurrentXsdtEntry = (VOID *) ((UINT8 *) Xsdt + sizeof (EFI_ACPI_DESCRIPTION_HEADER) + Index * sizeof (UINT64));\r | |
1206 | \r | |
1207 | //\r | |
1208 | // Read the entry value out of the XSDT\r | |
1209 | //\r | |
1210 | CopyMem (&CurrentTablePointer64, CurrentXsdtEntry, sizeof (UINT64));\r | |
1211 | } else {\r | |
1212 | //\r | |
1213 | // Initialize to NULL\r | |
1214 | //\r | |
1215 | CurrentXsdtEntry = 0;\r | |
1216 | CurrentTablePointer64 = 0;\r | |
1217 | }\r | |
1218 | //\r | |
1219 | // Check if we have found the corresponding entry in both RSDT and XSDT\r | |
1220 | //\r | |
efef6ad6 | 1221 | if (((Rsdt == NULL) || *CurrentRsdtEntry == (UINT32) (UINTN) Table->Table) &&\r |
5f55c700 | 1222 | ((Xsdt == NULL) || CurrentTablePointer64 == (UINT64) (UINTN) Table->Table)\r |
1223 | ) {\r | |
1224 | //\r | |
1225 | // Found entry, so copy all following entries and shrink table\r | |
1226 | // We actually copy all + 1 to copy the initialized value of memory over\r | |
1227 | // the last entry.\r | |
1228 | //\r | |
f9bbb8d9 AB |
1229 | if (Rsdt != NULL) {\r |
1230 | CopyMem (CurrentRsdtEntry, CurrentRsdtEntry + 1, (*NumberOfTableEntries - Index) * sizeof (UINT32));\r | |
1231 | Rsdt->Length = Rsdt->Length - sizeof (UINT32);\r | |
1232 | }\r | |
5f55c700 | 1233 | if (Xsdt != NULL) {\r |
1234 | CopyMem (CurrentXsdtEntry, ((UINT64 *) CurrentXsdtEntry) + 1, (*NumberOfTableEntries - Index) * sizeof (UINT64));\r | |
1235 | Xsdt->Length = Xsdt->Length - sizeof (UINT64);\r | |
1236 | }\r | |
1237 | break;\r | |
1238 | } else if (Index + 1 == *NumberOfTableEntries) {\r | |
1239 | //\r | |
1240 | // At the last entry, and table not found\r | |
1241 | //\r | |
1242 | return EFI_INVALID_PARAMETER;\r | |
1243 | }\r | |
1244 | }\r | |
1245 | //\r | |
1246 | // Checksum the tables\r | |
1247 | //\r | |
f9bbb8d9 AB |
1248 | if (Rsdt != NULL) {\r |
1249 | AcpiPlatformChecksum (\r | |
1250 | Rsdt,\r | |
1251 | Rsdt->Length,\r | |
1252 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
1253 | Checksum)\r | |
1254 | );\r | |
1255 | }\r | |
5f55c700 | 1256 | \r |
1257 | if (Xsdt != NULL) {\r | |
1258 | AcpiPlatformChecksum (\r | |
1259 | Xsdt,\r | |
1260 | Xsdt->Length,\r | |
1261 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
1262 | Checksum)\r | |
1263 | );\r | |
1264 | }\r | |
1265 | //\r | |
1266 | // Decrement the number of tables\r | |
1267 | //\r | |
1268 | (*NumberOfTableEntries)--;\r | |
1269 | \r | |
1270 | return EFI_SUCCESS;\r | |
1271 | }\r | |
1272 | \r | |
1273 | \r | |
1274 | /**\r | |
1275 | This function removes a table and frees any associated memory.\r | |
1276 | \r | |
1277 | @param AcpiTableInstance Instance of the protocol.\r | |
1278 | @param Version Version(s) to delete.\r | |
1279 | @param Table Pointer to table found.\r | |
1280 | \r | |
1281 | @return EFI_SUCCESS The function completed successfully.\r | |
1282 | \r | |
1283 | **/\r | |
1284 | EFI_STATUS\r | |
1285 | DeleteTable (\r | |
1286 | IN EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance,\r | |
1287 | IN EFI_ACPI_TABLE_VERSION Version,\r | |
1288 | IN OUT EFI_ACPI_TABLE_LIST *Table\r | |
1289 | )\r | |
1290 | {\r | |
1291 | UINT32 CurrentTableSignature;\r | |
1292 | BOOLEAN RemoveFromRsdt;\r | |
1293 | \r | |
1294 | //\r | |
1295 | // Check for invalid input parameters\r | |
1296 | //\r | |
1297 | ASSERT (AcpiTableInstance);\r | |
1298 | ASSERT (Table);\r | |
1299 | \r | |
1300 | //\r | |
1301 | // Init locals\r | |
1302 | //\r | |
1303 | RemoveFromRsdt = TRUE;\r | |
6198c346 | 1304 | //\r |
1305 | // Check for Table->Table\r | |
1306 | //\r | |
1307 | ASSERT (Table->Table != NULL);\r | |
5f55c700 | 1308 | CurrentTableSignature = ((EFI_ACPI_COMMON_HEADER *) Table->Table)->Signature;\r |
1309 | \r | |
1310 | //\r | |
1311 | // Basic tasks to accomplish delete are:\r | |
1312 | // Determine removal requirements (in RSDT/XSDT or not)\r | |
1313 | // Remove entry from RSDT/XSDT\r | |
1314 | // Remove any table references to the table\r | |
1315 | // If no one is using the table\r | |
1316 | // Free the table (removing pointers from private data and tables)\r | |
1317 | // Remove from list\r | |
1318 | // Free list structure\r | |
1319 | //\r | |
1320 | //\r | |
1321 | // Determine if this table is in the RSDT or XSDT\r | |
1322 | //\r | |
1323 | if ((CurrentTableSignature == EFI_ACPI_1_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE) ||\r | |
1324 | (CurrentTableSignature == EFI_ACPI_2_0_DIFFERENTIATED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE) ||\r | |
1325 | (CurrentTableSignature == EFI_ACPI_3_0_DIFFERENTIATED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE)\r | |
1326 | ) {\r | |
1327 | RemoveFromRsdt = FALSE;\r | |
1328 | }\r | |
1329 | //\r | |
1330 | // We don't remove the FADT in the standard way because some\r | |
1331 | // OS expect the FADT to be early in the table list.\r | |
1332 | // So we always put it as the first element in the list.\r | |
1333 | //\r | |
1334 | if (CurrentTableSignature == EFI_ACPI_1_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE) {\r | |
1335 | RemoveFromRsdt = FALSE;\r | |
1336 | }\r | |
1337 | \r | |
1338 | //\r | |
1339 | // Remove the table from RSDT and XSDT\r | |
1340 | //\r | |
1341 | if (Table->Table != NULL) {\r | |
1342 | //\r | |
1343 | // This is a basic table, remove it from any lists and the Rsdt and/or Xsdt\r | |
1344 | //\r | |
1345 | if (Version & EFI_ACPI_TABLE_VERSION_NONE & Table->Version) {\r | |
1346 | //\r | |
1347 | // Remove this version from the table\r | |
1348 | //\r | |
1349 | Table->Version = Table->Version &~EFI_ACPI_TABLE_VERSION_NONE;\r | |
1350 | }\r | |
1351 | \r | |
1352 | if (Version & EFI_ACPI_TABLE_VERSION_1_0B & Table->Version) {\r | |
1353 | //\r | |
1354 | // Remove this version from the table\r | |
1355 | //\r | |
1356 | Table->Version = Table->Version &~EFI_ACPI_TABLE_VERSION_1_0B;\r | |
1357 | \r | |
1358 | //\r | |
1359 | // Remove from Rsdt. We don't care about the return value because it is\r | |
1360 | // acceptable for the table to not exist in Rsdt.\r | |
1361 | // We didn't add some tables so we don't remove them.\r | |
1362 | //\r | |
1363 | if (RemoveFromRsdt) {\r | |
1364 | RemoveTableFromRsdt (\r | |
1365 | Table,\r | |
1366 | &AcpiTableInstance->NumberOfTableEntries1,\r | |
1367 | AcpiTableInstance->Rsdt1,\r | |
1368 | NULL\r | |
1369 | );\r | |
1370 | }\r | |
1371 | }\r | |
1372 | \r | |
f0071740 | 1373 | if (Version & ACPI_TABLE_VERSION_GTE_2_0 & Table->Version) {\r |
5f55c700 | 1374 | //\r |
1375 | // Remove this version from the table\r | |
1376 | //\r | |
f0071740 | 1377 | Table->Version = Table->Version &~(Version & ACPI_TABLE_VERSION_GTE_2_0);\r |
d1102dba | 1378 | \r |
5f55c700 | 1379 | //\r |
1380 | // Remove from Rsdt and Xsdt. We don't care about the return value\r | |
1381 | // because it is acceptable for the table to not exist in Rsdt/Xsdt.\r | |
1382 | // We didn't add some tables so we don't remove them.\r | |
1383 | //\r | |
1384 | if (RemoveFromRsdt) {\r | |
1385 | RemoveTableFromRsdt (\r | |
1386 | Table,\r | |
1387 | &AcpiTableInstance->NumberOfTableEntries3,\r | |
1388 | AcpiTableInstance->Rsdt3,\r | |
1389 | AcpiTableInstance->Xsdt\r | |
1390 | );\r | |
1391 | }\r | |
d1102dba | 1392 | }\r |
5f55c700 | 1393 | //\r |
1394 | // Free the table, clean up any dependent tables and our private data pointers.\r | |
1395 | //\r | |
1396 | switch (Table->Table->Signature) {\r | |
1397 | \r | |
1398 | case EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE:\r | |
1399 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
1400 | AcpiTableInstance->Fadt1 = NULL;\r | |
1401 | }\r | |
1402 | \r | |
f0071740 | 1403 | if ((Version & ACPI_TABLE_VERSION_GTE_2_0) != 0) {\r |
5f55c700 | 1404 | AcpiTableInstance->Fadt3 = NULL;\r |
1405 | }\r | |
1406 | break;\r | |
1407 | \r | |
1408 | case EFI_ACPI_3_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE:\r | |
1409 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
1410 | AcpiTableInstance->Facs1 = NULL;\r | |
1411 | \r | |
1412 | //\r | |
1413 | // Update FADT table pointers\r | |
1414 | //\r | |
1415 | if (AcpiTableInstance->Fadt1 != NULL) {\r | |
1416 | AcpiTableInstance->Fadt1->FirmwareCtrl = 0;\r | |
1417 | \r | |
1418 | //\r | |
1419 | // Checksum table\r | |
1420 | //\r | |
1421 | AcpiPlatformChecksum (\r | |
1422 | AcpiTableInstance->Fadt1,\r | |
1423 | AcpiTableInstance->Fadt1->Header.Length,\r | |
1424 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
1425 | Checksum)\r | |
1426 | );\r | |
1427 | }\r | |
1428 | }\r | |
1429 | \r | |
f0071740 | 1430 | if ((Version & ACPI_TABLE_VERSION_GTE_2_0) != 0) {\r |
5f55c700 | 1431 | AcpiTableInstance->Facs3 = NULL;\r |
1432 | \r | |
1433 | //\r | |
1434 | // Update FADT table pointers\r | |
1435 | //\r | |
1436 | if (AcpiTableInstance->Fadt3 != NULL) {\r | |
1437 | AcpiTableInstance->Fadt3->FirmwareCtrl = 0;\r | |
1438 | ZeroMem (&AcpiTableInstance->Fadt3->XFirmwareCtrl, sizeof (UINT64));\r | |
1439 | \r | |
1440 | //\r | |
1441 | // Checksum table\r | |
1442 | //\r | |
1443 | AcpiPlatformChecksum (\r | |
1444 | AcpiTableInstance->Fadt3,\r | |
1445 | AcpiTableInstance->Fadt3->Header.Length,\r | |
1446 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
1447 | Checksum)\r | |
1448 | );\r | |
1449 | }\r | |
d1102dba | 1450 | }\r |
5f55c700 | 1451 | break;\r |
1452 | \r | |
1453 | case EFI_ACPI_3_0_DIFFERENTIATED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE:\r | |
1454 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
1455 | AcpiTableInstance->Dsdt1 = NULL;\r | |
1456 | \r | |
1457 | //\r | |
1458 | // Update FADT table pointers\r | |
1459 | //\r | |
1460 | if (AcpiTableInstance->Fadt1 != NULL) {\r | |
1461 | AcpiTableInstance->Fadt1->Dsdt = 0;\r | |
1462 | \r | |
1463 | //\r | |
1464 | // Checksum table\r | |
1465 | //\r | |
1466 | AcpiPlatformChecksum (\r | |
1467 | AcpiTableInstance->Fadt1,\r | |
1468 | AcpiTableInstance->Fadt1->Header.Length,\r | |
1469 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
1470 | Checksum)\r | |
1471 | );\r | |
1472 | }\r | |
1473 | }\r | |
1474 | \r | |
d1102dba | 1475 | \r |
f0071740 | 1476 | if ((Version & ACPI_TABLE_VERSION_GTE_2_0) != 0) {\r |
5f55c700 | 1477 | AcpiTableInstance->Dsdt3 = NULL;\r |
1478 | \r | |
1479 | //\r | |
1480 | // Update FADT table pointers\r | |
1481 | //\r | |
1482 | if (AcpiTableInstance->Fadt3 != NULL) {\r | |
1483 | AcpiTableInstance->Fadt3->Dsdt = 0;\r | |
1484 | ZeroMem (&AcpiTableInstance->Fadt3->XDsdt, sizeof (UINT64));\r | |
1485 | \r | |
1486 | //\r | |
1487 | // Checksum table\r | |
1488 | //\r | |
1489 | AcpiPlatformChecksum (\r | |
1490 | AcpiTableInstance->Fadt3,\r | |
1491 | AcpiTableInstance->Fadt3->Header.Length,\r | |
1492 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
1493 | Checksum)\r | |
1494 | );\r | |
1495 | }\r | |
1496 | }\r | |
1497 | break;\r | |
1498 | \r | |
1499 | default:\r | |
1500 | //\r | |
1501 | // Do nothing\r | |
1502 | //\r | |
1503 | break;\r | |
1504 | }\r | |
1505 | }\r | |
1506 | //\r | |
1507 | // If no version is using this table anymore, remove and free list entry.\r | |
1508 | //\r | |
1509 | if (Table->Version == 0) {\r | |
1510 | //\r | |
1511 | // Free the Table\r | |
1512 | //\r | |
0e0ae47d | 1513 | FreeTableMemory (Table);\r |
5f55c700 | 1514 | RemoveEntryList (&(Table->Link));\r |
1515 | gBS->FreePool (Table);\r | |
1516 | }\r | |
1517 | //\r | |
1518 | // Done\r | |
1519 | //\r | |
1520 | return EFI_SUCCESS;\r | |
1521 | }\r | |
1522 | \r | |
1523 | \r | |
1524 | /**\r | |
1525 | This function finds and removes the table specified by the handle.\r | |
1526 | \r | |
1527 | @param AcpiTableInstance Instance of the protocol.\r | |
1528 | @param Version Bitmask of which versions to remove.\r | |
1529 | @param Handle Table to remove.\r | |
1530 | \r | |
1531 | @return EFI_SUCCESS The function completed successfully.\r | |
1532 | @return EFI_ABORTED An error occurred.\r | |
1533 | @return EFI_NOT_FOUND Handle not found in table list.\r | |
1534 | \r | |
1535 | **/\r | |
1536 | EFI_STATUS\r | |
1537 | RemoveTableFromList (\r | |
1538 | IN EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance,\r | |
1539 | IN EFI_ACPI_TABLE_VERSION Version,\r | |
1540 | IN UINTN Handle\r | |
1541 | )\r | |
1542 | {\r | |
1543 | EFI_ACPI_TABLE_LIST *Table;\r | |
1544 | EFI_STATUS Status;\r | |
1545 | \r | |
b474ed49 | 1546 | Table = (EFI_ACPI_TABLE_LIST*) NULL;\r |
1547 | \r | |
5f55c700 | 1548 | //\r |
1549 | // Check for invalid input parameters\r | |
1550 | //\r | |
1551 | ASSERT (AcpiTableInstance);\r | |
1552 | \r | |
1553 | //\r | |
1554 | // Find the table\r | |
1555 | //\r | |
1556 | Status = FindTableByHandle (\r | |
1557 | Handle,\r | |
1558 | &AcpiTableInstance->TableList,\r | |
1559 | &Table\r | |
1560 | );\r | |
1561 | if (EFI_ERROR (Status)) {\r | |
1562 | return EFI_NOT_FOUND;\r | |
1563 | }\r | |
1564 | //\r | |
1565 | // Remove the table\r | |
1566 | //\r | |
1567 | Status = DeleteTable (AcpiTableInstance, Version, Table);\r | |
1568 | if (EFI_ERROR (Status)) {\r | |
1569 | return EFI_ABORTED;\r | |
1570 | }\r | |
1571 | //\r | |
1572 | // Completed successfully\r | |
1573 | //\r | |
1574 | return EFI_SUCCESS;\r | |
1575 | }\r | |
1576 | \r | |
1577 | \r | |
1578 | /**\r | |
1579 | This function calculates and updates an UINT8 checksum.\r | |
1580 | \r | |
1581 | @param Buffer Pointer to buffer to checksum\r | |
1582 | @param Size Number of bytes to checksum\r | |
1583 | @param ChecksumOffset Offset to place the checksum result in\r | |
1584 | \r | |
1585 | @return EFI_SUCCESS The function completed successfully.\r | |
1586 | \r | |
1587 | **/\r | |
1588 | EFI_STATUS\r | |
1589 | AcpiPlatformChecksum (\r | |
1590 | IN VOID *Buffer,\r | |
1591 | IN UINTN Size,\r | |
1592 | IN UINTN ChecksumOffset\r | |
1593 | )\r | |
1594 | {\r | |
1595 | UINT8 Sum;\r | |
1596 | UINT8 *Ptr;\r | |
1597 | \r | |
1598 | Sum = 0;\r | |
1599 | //\r | |
1600 | // Initialize pointer\r | |
1601 | //\r | |
1602 | Ptr = Buffer;\r | |
1603 | \r | |
1604 | //\r | |
1605 | // set checksum to 0 first\r | |
1606 | //\r | |
1607 | Ptr[ChecksumOffset] = 0;\r | |
1608 | \r | |
1609 | //\r | |
1610 | // add all content of buffer\r | |
1611 | //\r | |
1612 | while ((Size--) != 0) {\r | |
1613 | Sum = (UINT8) (Sum + (*Ptr++));\r | |
1614 | }\r | |
1615 | //\r | |
1616 | // set checksum\r | |
1617 | //\r | |
1618 | Ptr = Buffer;\r | |
1619 | Ptr[ChecksumOffset] = (UINT8) (0xff - Sum + 1);\r | |
1620 | \r | |
1621 | return EFI_SUCCESS;\r | |
1622 | }\r | |
1623 | \r | |
1624 | \r | |
1625 | /**\r | |
1626 | Checksum all versions of the common tables, RSDP, RSDT, XSDT.\r | |
1627 | \r | |
1628 | @param AcpiTableInstance Protocol instance private data.\r | |
1629 | \r | |
1630 | @return EFI_SUCCESS The function completed successfully.\r | |
1631 | \r | |
1632 | **/\r | |
1633 | EFI_STATUS\r | |
1634 | ChecksumCommonTables (\r | |
1635 | IN OUT EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance\r | |
1636 | )\r | |
1637 | {\r | |
1638 | //\r | |
1639 | // RSDP ACPI 1.0 checksum for 1.0 table. This is only the first 20 bytes of the structure\r | |
1640 | //\r | |
f9bbb8d9 AB |
1641 | if ((PcdGet32 (PcdAcpiExposedTableVersions) & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r |
1642 | AcpiPlatformChecksum (\r | |
1643 | AcpiTableInstance->Rsdp1,\r | |
1644 | sizeof (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER),\r | |
1645 | OFFSET_OF (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER,\r | |
1646 | Checksum)\r | |
1647 | );\r | |
1648 | }\r | |
5f55c700 | 1649 | \r |
1650 | //\r | |
1651 | // RSDP ACPI 1.0 checksum for 2.0/3.0 table. This is only the first 20 bytes of the structure\r | |
1652 | //\r | |
1653 | AcpiPlatformChecksum (\r | |
1654 | AcpiTableInstance->Rsdp3,\r | |
1655 | sizeof (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER),\r | |
1656 | OFFSET_OF (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER,\r | |
1657 | Checksum)\r | |
1658 | );\r | |
1659 | \r | |
1660 | //\r | |
1661 | // RSDP ACPI 2.0/3.0 checksum, this is the entire table\r | |
1662 | //\r | |
1663 | AcpiPlatformChecksum (\r | |
1664 | AcpiTableInstance->Rsdp3,\r | |
1665 | sizeof (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER),\r | |
1666 | OFFSET_OF (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER,\r | |
1667 | ExtendedChecksum)\r | |
1668 | );\r | |
1669 | \r | |
f9bbb8d9 AB |
1670 | if ((PcdGet32 (PcdAcpiExposedTableVersions) & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r |
1671 | //\r | |
1672 | // RSDT checksums\r | |
1673 | //\r | |
1674 | AcpiPlatformChecksum (\r | |
1675 | AcpiTableInstance->Rsdt1,\r | |
1676 | AcpiTableInstance->Rsdt1->Length,\r | |
1677 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
1678 | Checksum)\r | |
1679 | );\r | |
5f55c700 | 1680 | \r |
f9bbb8d9 AB |
1681 | AcpiPlatformChecksum (\r |
1682 | AcpiTableInstance->Rsdt3,\r | |
1683 | AcpiTableInstance->Rsdt3->Length,\r | |
1684 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
1685 | Checksum)\r | |
1686 | );\r | |
1687 | }\r | |
5f55c700 | 1688 | \r |
1689 | //\r | |
1690 | // XSDT checksum\r | |
1691 | //\r | |
1692 | AcpiPlatformChecksum (\r | |
1693 | AcpiTableInstance->Xsdt,\r | |
1694 | AcpiTableInstance->Xsdt->Length,\r | |
1695 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
1696 | Checksum)\r | |
1697 | );\r | |
d1102dba | 1698 | \r |
5f55c700 | 1699 | return EFI_SUCCESS;\r |
1700 | }\r | |
1701 | \r | |
761329ee ZL |
1702 | /**\r |
1703 | This function will find gUniversalPayloadAcpiTableGuid Guid Hob, and install Acpi table from it.\r | |
1704 | \r | |
1705 | @param AcpiTableInstance Protocol instance private data.\r | |
1706 | \r | |
1707 | @return EFI_SUCCESS The function completed successfully.\r | |
1708 | @return EFI_NOT_FOUND The function doesn't find the gEfiAcpiTableGuid Guid Hob.\r | |
1709 | @return EFI_ABORTED The function could not complete successfully.\r | |
1710 | \r | |
1711 | **/\r | |
1712 | EFI_STATUS\r | |
1713 | InstallAcpiTableFromHob (\r | |
1714 | EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance\r | |
1715 | )\r | |
1716 | {\r | |
1717 | EFI_HOB_GUID_TYPE *GuidHob;\r | |
1718 | EFI_ACPI_TABLE_VERSION Version;\r | |
1719 | EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER *Rsdp;\r | |
1720 | EFI_ACPI_DESCRIPTION_HEADER *Rsdt;\r | |
1721 | EFI_ACPI_DESCRIPTION_HEADER *ChildTable;\r | |
1722 | UINT64 ChildTableAddress;\r | |
1723 | UINTN Count;\r | |
1724 | UINTN Index;\r | |
1725 | UINTN TableKey;\r | |
1726 | EFI_STATUS Status;\r | |
1727 | UINTN EntrySize;\r | |
1728 | UNIVERSAL_PAYLOAD_ACPI_TABLE *AcpiTableAdress;\r | |
1729 | VOID *TableToInstall;\r | |
1730 | EFI_ACPI_SDT_HEADER *Table;\r | |
1731 | UNIVERSAL_PAYLOAD_GENERIC_HEADER *GenericHeader;\r | |
1732 | \r | |
1733 | TableKey = 0;\r | |
1734 | Version = PcdGet32 (PcdAcpiExposedTableVersions);\r | |
1735 | Status = EFI_SUCCESS;\r | |
1736 | //\r | |
1737 | // HOB only contains the ACPI table in 2.0+ format.\r | |
1738 | //\r | |
1739 | GuidHob = GetFirstGuidHob (&gUniversalPayloadAcpiTableGuid);\r | |
1740 | if (GuidHob == NULL) {\r | |
1741 | return EFI_NOT_FOUND;\r | |
1742 | }\r | |
1743 | \r | |
1744 | GenericHeader = (UNIVERSAL_PAYLOAD_GENERIC_HEADER *) GET_GUID_HOB_DATA (GuidHob);\r | |
1745 | if ((sizeof (UNIVERSAL_PAYLOAD_GENERIC_HEADER) > GET_GUID_HOB_DATA_SIZE (GuidHob)) || (GenericHeader->Length > GET_GUID_HOB_DATA_SIZE (GuidHob))) {\r | |
1746 | return EFI_NOT_FOUND;\r | |
1747 | }\r | |
1748 | if (GenericHeader->Revision == UNIVERSAL_PAYLOAD_ACPI_TABLE_REVISION) {\r | |
1749 | //\r | |
1750 | // UNIVERSAL_PAYLOAD_ACPI_TABLE structure is used when Revision equals to UNIVERSAL_PAYLOAD_ACPI_TABLE_REVISION\r | |
1751 | //\r | |
1752 | AcpiTableAdress = (UNIVERSAL_PAYLOAD_ACPI_TABLE *) GET_GUID_HOB_DATA (GuidHob);\r | |
1753 | if (AcpiTableAdress->Header.Length < UNIVERSAL_PAYLOAD_SIZEOF_THROUGH_FIELD (UNIVERSAL_PAYLOAD_ACPI_TABLE, Rsdp)) {\r | |
1754 | //\r | |
1755 | // Retrun if can't find the ACPI Info Hob with enough length\r | |
1756 | //\r | |
1757 | return EFI_NOT_FOUND;\r | |
1758 | }\r | |
1759 | Rsdp = (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER *) (UINTN) (AcpiTableAdress->Rsdp);\r | |
1760 | \r | |
1761 | //\r | |
1762 | // An ACPI-compatible OS must use the XSDT if present.\r | |
1763 | // It shouldn't happen that XsdtAddress points beyond 4G range in 32-bit environment.\r | |
1764 | //\r | |
1765 | ASSERT ((UINTN) Rsdp->XsdtAddress == Rsdp->XsdtAddress);\r | |
1766 | \r | |
1767 | EntrySize = sizeof (UINT64);\r | |
1768 | Rsdt = (EFI_ACPI_DESCRIPTION_HEADER *) (UINTN) Rsdp->XsdtAddress;\r | |
1769 | if (Rsdt == NULL) {\r | |
1770 | //\r | |
1771 | // XsdtAddress is zero, then we use Rsdt which has 32 bit entry\r | |
1772 | //\r | |
1773 | Rsdt = (EFI_ACPI_DESCRIPTION_HEADER *) (UINTN) Rsdp->RsdtAddress;\r | |
1774 | EntrySize = sizeof (UINT32);\r | |
1775 | }\r | |
1776 | \r | |
1777 | if (Rsdt->Length <= sizeof (EFI_ACPI_DESCRIPTION_HEADER)) {\r | |
1778 | return EFI_ABORTED;\r | |
1779 | }\r | |
1780 | \r | |
1781 | Count = (Rsdt->Length - sizeof (EFI_ACPI_DESCRIPTION_HEADER)) / EntrySize;\r | |
1782 | \r | |
1783 | for (Index = 0; Index < Count; Index++){\r | |
1784 | ChildTableAddress = 0;\r | |
1785 | CopyMem (&ChildTableAddress, (UINT8 *) (Rsdt + 1) + EntrySize * Index, EntrySize);\r | |
1786 | //\r | |
1787 | // If the address is of UINT64 while this module runs at 32 bits,\r | |
1788 | // make sure the upper bits are all-zeros.\r | |
1789 | //\r | |
1790 | ASSERT (ChildTableAddress == (UINTN) ChildTableAddress);\r | |
1791 | if (ChildTableAddress != (UINTN) ChildTableAddress) {\r | |
1792 | Status = EFI_ABORTED;\r | |
1793 | break;\r | |
1794 | }\r | |
1795 | \r | |
1796 | ChildTable = (EFI_ACPI_DESCRIPTION_HEADER *) (UINTN) ChildTableAddress;\r | |
1797 | Status = AddTableToList (AcpiTableInstance, ChildTable, TRUE, Version, TRUE, &TableKey);\r | |
1798 | if (EFI_ERROR (Status)) {\r | |
1799 | DEBUG ((DEBUG_ERROR, "InstallAcpiTableFromHob: Fail to add ACPI table at 0x%p\n", ChildTable));\r | |
1800 | ASSERT_EFI_ERROR (Status);\r | |
1801 | break;\r | |
1802 | }\r | |
1803 | if (ChildTable->Signature == EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE){\r | |
1804 | //\r | |
1805 | // Add the FACS and DSDT tables if it is not NULL.\r | |
1806 | //\r | |
1807 | if (((EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE *) ChildTable)->FirmwareCtrl != 0) {\r | |
1808 | TableToInstall = (VOID *) (UINTN) ((EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE *) ChildTable)->FirmwareCtrl;\r | |
1809 | Status = AddTableToList (AcpiTableInstance, TableToInstall, TRUE, Version, TRUE, &TableKey);\r | |
1810 | if (EFI_ERROR (Status)) {\r | |
1811 | DEBUG ((DEBUG_ERROR, "InstallAcpiTableFromHob: Fail to add ACPI table FACS\n"));\r | |
1812 | ASSERT_EFI_ERROR (Status);\r | |
1813 | break;\r | |
1814 | }\r | |
1815 | }\r | |
1816 | \r | |
1817 | if (((EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE *) ChildTable)->Dsdt != 0) {\r | |
1818 | TableToInstall = (VOID *) (UINTN) ((EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE *) ChildTable)->Dsdt;\r | |
1819 | Status = AddTableToList (AcpiTableInstance, TableToInstall, TRUE, Version, TRUE, &TableKey);\r | |
1820 | if (EFI_ERROR (Status)) {\r | |
1821 | DEBUG ((DEBUG_ERROR, "InstallAcpiTableFromHob: Fail to add ACPI table DSDT\n"));\r | |
1822 | ASSERT_EFI_ERROR (Status);\r | |
1823 | break;\r | |
1824 | }\r | |
1825 | }\r | |
1826 | }\r | |
1827 | }\r | |
1828 | } else {\r | |
1829 | return EFI_NOT_FOUND;\r | |
1830 | }\r | |
1831 | \r | |
1832 | if (EFI_ERROR (Status)) {\r | |
1833 | //\r | |
1834 | // Error happens when trying to add ACPI table to the list.\r | |
1835 | // Remove all of them from list because at this time, no other tables except from HOB are in the list\r | |
1836 | //\r | |
1837 | while (SdtGetAcpiTable (AcpiTableInstance, 0, &Table, &Version, &TableKey) == EFI_SUCCESS) {\r | |
1838 | RemoveTableFromList (AcpiTableInstance, Version, TableKey);\r | |
1839 | }\r | |
1840 | } else {\r | |
1841 | Status = PublishTables (AcpiTableInstance, Version);\r | |
1842 | }\r | |
1843 | \r | |
1844 | ASSERT_EFI_ERROR (Status);\r | |
1845 | return Status;\r | |
1846 | }\r | |
5f55c700 | 1847 | \r |
1848 | /**\r | |
1849 | Constructor for the ACPI table protocol. Initializes instance\r | |
1850 | data.\r | |
1851 | \r | |
1852 | @param AcpiTableInstance Instance to construct\r | |
1853 | \r | |
1854 | @return EFI_SUCCESS Instance initialized.\r | |
1855 | @return EFI_OUT_OF_RESOURCES Unable to allocate required resources.\r | |
1856 | \r | |
1857 | **/\r | |
1858 | EFI_STATUS\r | |
1859 | AcpiTableAcpiTableConstructor (\r | |
1860 | EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance\r | |
1861 | )\r | |
1862 | {\r | |
1863 | EFI_STATUS Status;\r | |
1864 | UINT64 CurrentData;\r | |
1865 | UINTN TotalSize;\r | |
37abfb7e | 1866 | UINTN RsdpTableSize;\r |
5f55c700 | 1867 | UINT8 *Pointer;\r |
1868 | EFI_PHYSICAL_ADDRESS PageAddress;\r | |
1869 | \r | |
1870 | //\r | |
1871 | // Check for invalid input parameters\r | |
1872 | //\r | |
1873 | ASSERT (AcpiTableInstance);\r | |
1874 | \r | |
f9bbb8d9 AB |
1875 | //\r |
1876 | // If ACPI v1.0b is among the ACPI versions we aim to support, we have to\r | |
1877 | // ensure that all memory allocations are below 4 GB.\r | |
1878 | //\r | |
1879 | if ((PcdGet32 (PcdAcpiExposedTableVersions) & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
1880 | mAcpiTableAllocType = AllocateMaxAddress;\r | |
1881 | } else {\r | |
1882 | mAcpiTableAllocType = AllocateAnyPages;\r | |
1883 | }\r | |
1884 | \r | |
5f55c700 | 1885 | InitializeListHead (&AcpiTableInstance->TableList);\r |
1886 | AcpiTableInstance->CurrentHandle = 1;\r | |
1887 | \r | |
1888 | AcpiTableInstance->AcpiTableProtocol.InstallAcpiTable = InstallAcpiTable;\r | |
1889 | AcpiTableInstance->AcpiTableProtocol.UninstallAcpiTable = UninstallAcpiTable;\r | |
3dc8585e JY |
1890 | \r |
1891 | if (FeaturePcdGet (PcdInstallAcpiSdtProtocol)) {\r | |
1892 | SdtAcpiTableAcpiSdtConstructor (AcpiTableInstance);\r | |
1893 | }\r | |
1894 | \r | |
5f55c700 | 1895 | //\r |
37abfb7e LG |
1896 | // Create RSDP table\r |
1897 | //\r | |
f9bbb8d9 AB |
1898 | RsdpTableSize = sizeof (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER);\r |
1899 | if ((PcdGet32 (PcdAcpiExposedTableVersions) & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
1900 | RsdpTableSize += sizeof (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER);\r | |
1901 | }\r | |
37abfb7e | 1902 | \r |
8ead7af2 AB |
1903 | if (mAcpiTableAllocType != AllocateAnyPages) {\r |
1904 | PageAddress = 0xFFFFFFFF;\r | |
1905 | Status = gBS->AllocatePages (\r | |
1906 | mAcpiTableAllocType,\r | |
1907 | EfiACPIReclaimMemory,\r | |
1908 | EFI_SIZE_TO_PAGES (RsdpTableSize),\r | |
1909 | &PageAddress\r | |
1910 | );\r | |
1911 | } else {\r | |
1912 | Status = gBS->AllocatePool (\r | |
1913 | EfiACPIReclaimMemory,\r | |
1914 | RsdpTableSize,\r | |
1915 | (VOID **)&Pointer\r | |
1916 | );\r | |
1917 | }\r | |
37abfb7e LG |
1918 | \r |
1919 | if (EFI_ERROR (Status)) {\r | |
1920 | return EFI_OUT_OF_RESOURCES;\r | |
1921 | }\r | |
1922 | \r | |
8ead7af2 AB |
1923 | if (mAcpiTableAllocType != AllocateAnyPages) {\r |
1924 | Pointer = (UINT8 *)(UINTN)PageAddress;\r | |
1925 | }\r | |
37abfb7e LG |
1926 | ZeroMem (Pointer, RsdpTableSize);\r |
1927 | \r | |
1928 | AcpiTableInstance->Rsdp1 = (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER *) Pointer;\r | |
f9bbb8d9 AB |
1929 | if ((PcdGet32 (PcdAcpiExposedTableVersions) & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r |
1930 | Pointer += sizeof (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER);\r | |
1931 | }\r | |
37abfb7e LG |
1932 | AcpiTableInstance->Rsdp3 = (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER *) Pointer;\r |
1933 | \r | |
1934 | //\r | |
1935 | // Create RSDT, XSDT structures\r | |
5f55c700 | 1936 | //\r |
f9bbb8d9 | 1937 | TotalSize = sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 2.0/3.0 XSDT\r |
37abfb7e | 1938 | mEfiAcpiMaxNumTables * sizeof (UINT64);\r |
5f55c700 | 1939 | \r |
f9bbb8d9 AB |
1940 | if ((PcdGet32 (PcdAcpiExposedTableVersions) & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r |
1941 | TotalSize += sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 1.0 RSDT\r | |
1942 | mEfiAcpiMaxNumTables * sizeof (UINT32) +\r | |
1943 | sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 2.0/3.0 RSDT\r | |
1944 | mEfiAcpiMaxNumTables * sizeof (UINT32);\r | |
1945 | }\r | |
1946 | \r | |
cf299745 AB |
1947 | if (mAcpiTableAllocType != AllocateAnyPages) {\r |
1948 | //\r | |
1949 | // Allocate memory in the lower 32 bit of address range for\r | |
1950 | // compatibility with ACPI 1.0 OS.\r | |
1951 | //\r | |
1952 | // This is done because ACPI 1.0 pointers are 32 bit values.\r | |
1953 | // ACPI 2.0 OS and all 64 bit OS must use the 64 bit ACPI table addresses.\r | |
1954 | // There is no architectural reason these should be below 4GB, it is purely\r | |
1955 | // for convenience of implementation that we force memory below 4GB.\r | |
1956 | //\r | |
1957 | PageAddress = 0xFFFFFFFF;\r | |
1958 | Status = gBS->AllocatePages (\r | |
1959 | mAcpiTableAllocType,\r | |
1960 | EfiACPIReclaimMemory,\r | |
1961 | EFI_SIZE_TO_PAGES (TotalSize),\r | |
1962 | &PageAddress\r | |
1963 | );\r | |
1964 | } else {\r | |
1965 | Status = gBS->AllocatePool (\r | |
1966 | EfiACPIReclaimMemory,\r | |
1967 | TotalSize,\r | |
1968 | (VOID **)&Pointer\r | |
1969 | );\r | |
1970 | }\r | |
5f55c700 | 1971 | \r |
1972 | if (EFI_ERROR (Status)) {\r | |
8ead7af2 AB |
1973 | if (mAcpiTableAllocType != AllocateAnyPages) {\r |
1974 | gBS->FreePages ((EFI_PHYSICAL_ADDRESS)(UINTN)AcpiTableInstance->Rsdp1,\r | |
1975 | EFI_SIZE_TO_PAGES (RsdpTableSize));\r | |
1976 | } else {\r | |
1977 | gBS->FreePool (AcpiTableInstance->Rsdp1);\r | |
1978 | }\r | |
5f55c700 | 1979 | return EFI_OUT_OF_RESOURCES;\r |
1980 | }\r | |
1981 | \r | |
cf299745 AB |
1982 | if (mAcpiTableAllocType != AllocateAnyPages) {\r |
1983 | Pointer = (UINT8 *)(UINTN)PageAddress;\r | |
1984 | }\r | |
5f55c700 | 1985 | ZeroMem (Pointer, TotalSize);\r |
1986 | \r | |
5f55c700 | 1987 | AcpiTableInstance->Rsdt1 = (EFI_ACPI_DESCRIPTION_HEADER *) Pointer;\r |
f9bbb8d9 AB |
1988 | if ((PcdGet32 (PcdAcpiExposedTableVersions) & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r |
1989 | Pointer += (sizeof (EFI_ACPI_DESCRIPTION_HEADER) + EFI_ACPI_MAX_NUM_TABLES * sizeof (UINT32));\r | |
1990 | AcpiTableInstance->Rsdt3 = (EFI_ACPI_DESCRIPTION_HEADER *) Pointer;\r | |
1991 | Pointer += (sizeof (EFI_ACPI_DESCRIPTION_HEADER) + EFI_ACPI_MAX_NUM_TABLES * sizeof (UINT32));\r | |
1992 | }\r | |
5f55c700 | 1993 | AcpiTableInstance->Xsdt = (EFI_ACPI_DESCRIPTION_HEADER *) Pointer;\r |
1994 | \r | |
1995 | //\r | |
1996 | // Initialize RSDP\r | |
1997 | //\r | |
f9bbb8d9 AB |
1998 | if ((PcdGet32 (PcdAcpiExposedTableVersions) & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r |
1999 | CurrentData = EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER_SIGNATURE;\r | |
2000 | CopyMem (&AcpiTableInstance->Rsdp1->Signature, &CurrentData, sizeof (UINT64));\r | |
2001 | CopyMem (AcpiTableInstance->Rsdp1->OemId, PcdGetPtr (PcdAcpiDefaultOemId), sizeof (AcpiTableInstance->Rsdp1->OemId));\r | |
2002 | AcpiTableInstance->Rsdp1->Reserved = EFI_ACPI_RESERVED_BYTE;\r | |
2003 | AcpiTableInstance->Rsdp1->RsdtAddress = (UINT32) (UINTN) AcpiTableInstance->Rsdt1;\r | |
2004 | }\r | |
5f55c700 | 2005 | \r |
2006 | CurrentData = EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER_SIGNATURE;\r | |
2007 | CopyMem (&AcpiTableInstance->Rsdp3->Signature, &CurrentData, sizeof (UINT64));\r | |
e84f07b5 | 2008 | CopyMem (AcpiTableInstance->Rsdp3->OemId, PcdGetPtr (PcdAcpiDefaultOemId), sizeof (AcpiTableInstance->Rsdp3->OemId));\r |
5f55c700 | 2009 | AcpiTableInstance->Rsdp3->Revision = EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER_REVISION;\r |
5f55c700 | 2010 | AcpiTableInstance->Rsdp3->Length = sizeof (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER);\r |
f9bbb8d9 AB |
2011 | if ((PcdGet32 (PcdAcpiExposedTableVersions) & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r |
2012 | AcpiTableInstance->Rsdp3->RsdtAddress = (UINT32) (UINTN) AcpiTableInstance->Rsdt3;\r | |
2013 | }\r | |
5f55c700 | 2014 | CurrentData = (UINT64) (UINTN) AcpiTableInstance->Xsdt;\r |
2015 | CopyMem (&AcpiTableInstance->Rsdp3->XsdtAddress, &CurrentData, sizeof (UINT64));\r | |
2016 | SetMem (AcpiTableInstance->Rsdp3->Reserved, 3, EFI_ACPI_RESERVED_BYTE);\r | |
2017 | \r | |
f9bbb8d9 AB |
2018 | if ((PcdGet32 (PcdAcpiExposedTableVersions) & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r |
2019 | //\r | |
2020 | // Initialize Rsdt\r | |
2021 | //\r | |
2022 | // Note that we "reserve" one entry for the FADT so it can always be\r | |
2023 | // at the beginning of the list of tables. Some OS don't seem\r | |
2024 | // to find it correctly if it is too far down the list.\r | |
2025 | //\r | |
2026 | AcpiTableInstance->Rsdt1->Signature = EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_TABLE_SIGNATURE;\r | |
2027 | AcpiTableInstance->Rsdt1->Length = sizeof (EFI_ACPI_DESCRIPTION_HEADER);\r | |
2028 | AcpiTableInstance->Rsdt1->Revision = EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_TABLE_REVISION;\r | |
2029 | CopyMem (AcpiTableInstance->Rsdt1->OemId, PcdGetPtr (PcdAcpiDefaultOemId), sizeof (AcpiTableInstance->Rsdt1->OemId));\r | |
2030 | CurrentData = PcdGet64 (PcdAcpiDefaultOemTableId);\r | |
2031 | CopyMem (&AcpiTableInstance->Rsdt1->OemTableId, &CurrentData, sizeof (UINT64));\r | |
2032 | AcpiTableInstance->Rsdt1->OemRevision = PcdGet32 (PcdAcpiDefaultOemRevision);\r | |
2033 | AcpiTableInstance->Rsdt1->CreatorId = PcdGet32 (PcdAcpiDefaultCreatorId);\r | |
2034 | AcpiTableInstance->Rsdt1->CreatorRevision = PcdGet32 (PcdAcpiDefaultCreatorRevision);\r | |
2035 | //\r | |
2036 | // We always reserve first one for FADT\r | |
2037 | //\r | |
2038 | AcpiTableInstance->NumberOfTableEntries1 = 1;\r | |
2039 | AcpiTableInstance->Rsdt1->Length = AcpiTableInstance->Rsdt1->Length + sizeof(UINT32);\r | |
2040 | \r | |
2041 | AcpiTableInstance->Rsdt3->Signature = EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_TABLE_SIGNATURE;\r | |
2042 | AcpiTableInstance->Rsdt3->Length = sizeof (EFI_ACPI_DESCRIPTION_HEADER);\r | |
2043 | AcpiTableInstance->Rsdt3->Revision = EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_TABLE_REVISION;\r | |
2044 | CopyMem (AcpiTableInstance->Rsdt3->OemId, PcdGetPtr (PcdAcpiDefaultOemId), sizeof (AcpiTableInstance->Rsdt3->OemId));\r | |
2045 | CurrentData = PcdGet64 (PcdAcpiDefaultOemTableId);\r | |
2046 | CopyMem (&AcpiTableInstance->Rsdt3->OemTableId, &CurrentData, sizeof (UINT64));\r | |
2047 | AcpiTableInstance->Rsdt3->OemRevision = PcdGet32 (PcdAcpiDefaultOemRevision);\r | |
2048 | AcpiTableInstance->Rsdt3->CreatorId = PcdGet32 (PcdAcpiDefaultCreatorId);\r | |
2049 | AcpiTableInstance->Rsdt3->CreatorRevision = PcdGet32 (PcdAcpiDefaultCreatorRevision);\r | |
2050 | //\r | |
2051 | // We always reserve first one for FADT\r | |
2052 | //\r | |
2053 | AcpiTableInstance->Rsdt3->Length = AcpiTableInstance->Rsdt3->Length + sizeof(UINT32);\r | |
2054 | }\r | |
5f55c700 | 2055 | AcpiTableInstance->NumberOfTableEntries3 = 1;\r |
5f55c700 | 2056 | \r |
2057 | //\r | |
2058 | // Initialize Xsdt\r | |
2059 | //\r | |
2060 | AcpiTableInstance->Xsdt->Signature = EFI_ACPI_3_0_EXTENDED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE;\r | |
2061 | AcpiTableInstance->Xsdt->Length = sizeof (EFI_ACPI_DESCRIPTION_HEADER);\r | |
2062 | AcpiTableInstance->Xsdt->Revision = EFI_ACPI_3_0_EXTENDED_SYSTEM_DESCRIPTION_TABLE_REVISION;\r | |
e84f07b5 SZ |
2063 | CopyMem (AcpiTableInstance->Xsdt->OemId, PcdGetPtr (PcdAcpiDefaultOemId), sizeof (AcpiTableInstance->Xsdt->OemId));\r |
2064 | CurrentData = PcdGet64 (PcdAcpiDefaultOemTableId);\r | |
5f55c700 | 2065 | CopyMem (&AcpiTableInstance->Xsdt->OemTableId, &CurrentData, sizeof (UINT64));\r |
e84f07b5 SZ |
2066 | AcpiTableInstance->Xsdt->OemRevision = PcdGet32 (PcdAcpiDefaultOemRevision);\r |
2067 | AcpiTableInstance->Xsdt->CreatorId = PcdGet32 (PcdAcpiDefaultCreatorId);\r | |
2068 | AcpiTableInstance->Xsdt->CreatorRevision = PcdGet32 (PcdAcpiDefaultCreatorRevision);\r | |
5f55c700 | 2069 | //\r |
2070 | // We always reserve first one for FADT\r | |
2071 | //\r | |
2072 | AcpiTableInstance->Xsdt->Length = AcpiTableInstance->Xsdt->Length + sizeof(UINT64);\r | |
2073 | \r | |
2074 | ChecksumCommonTables (AcpiTableInstance);\r | |
2075 | \r | |
761329ee ZL |
2076 | InstallAcpiTableFromHob (AcpiTableInstance);\r |
2077 | \r | |
5f55c700 | 2078 | //\r |
2079 | // Completed successfully\r | |
2080 | //\r | |
2081 | return EFI_SUCCESS;\r | |
2082 | }\r | |
2083 | \r |