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1 | /** @file\r |
2 | PPTT Table Generator\r | |
3 | \r | |
4 | Copyright (c) 2019, ARM Limited. All rights reserved.\r | |
5 | SPDX-License-Identifier: BSD-2-Clause-Patent\r | |
6 | \r | |
7 | @par Reference(s):\r | |
8 | - ACPI 6.3 Specification, January 2019\r | |
9 | \r | |
10 | @par Glossary:\r | |
11 | - Cm or CM - Configuration Manager\r | |
12 | - Obj or OBJ - Object\r | |
13 | **/\r | |
14 | \r | |
15 | #include <Library/AcpiLib.h>\r | |
16 | #include <Library/BaseLib.h>\r | |
17 | #include <Library/DebugLib.h>\r | |
18 | #include <Library/MemoryAllocationLib.h>\r | |
19 | #include <Protocol/AcpiTable.h>\r | |
20 | \r | |
21 | // Module specific include files.\r | |
22 | #include <AcpiTableGenerator.h>\r | |
23 | #include <ConfigurationManagerObject.h>\r | |
24 | #include <ConfigurationManagerHelper.h>\r | |
25 | #include <Library/TableHelperLib.h>\r | |
26 | #include <Protocol/ConfigurationManagerProtocol.h>\r | |
27 | \r | |
28 | #include "PpttGenerator.h"\r | |
29 | \r | |
30 | /**\r | |
31 | ARM standard PPTT Generator\r | |
32 | \r | |
33 | Requirements:\r | |
34 | The following Configuration Manager Object(s) are used by this Generator:\r | |
35 | - EArmObjProcHierarchyInfo (REQUIRED)\r | |
36 | - EArmObjCacheInfo\r | |
37 | - EArmObjProcNodeIdInfo\r | |
38 | - EArmObjCmRef\r | |
39 | - EArmObjGicCInfo (REQUIRED)\r | |
40 | */\r | |
41 | \r | |
42 | /**\r | |
43 | This macro expands to a function that retrieves the Processor Hierarchy\r | |
44 | information from the Configuration Manager.\r | |
45 | */\r | |
46 | GET_OBJECT_LIST (\r | |
47 | EObjNameSpaceArm,\r | |
48 | EArmObjProcHierarchyInfo,\r | |
49 | CM_ARM_PROC_HIERARCHY_INFO\r | |
50 | );\r | |
51 | \r | |
52 | /**\r | |
53 | This macro expands to a function that retrieves the cache information\r | |
54 | from the Configuration Manager.\r | |
55 | */\r | |
56 | GET_OBJECT_LIST (\r | |
57 | EObjNameSpaceArm,\r | |
58 | EArmObjCacheInfo,\r | |
59 | CM_ARM_CACHE_INFO\r | |
60 | );\r | |
61 | \r | |
62 | /**\r | |
63 | This macro expands to a function that retrieves the ID information for\r | |
64 | Processor Hierarchy Nodes from the Configuration Manager.\r | |
65 | */\r | |
66 | GET_OBJECT_LIST (\r | |
67 | EObjNameSpaceArm,\r | |
68 | EArmObjProcNodeIdInfo,\r | |
69 | CM_ARM_PROC_NODE_ID_INFO\r | |
70 | );\r | |
71 | \r | |
72 | /**\r | |
73 | This macro expands to a function that retrieves the cross-CM-object-\r | |
74 | reference information from the Configuration Manager.\r | |
75 | */\r | |
76 | GET_OBJECT_LIST (\r | |
77 | EObjNameSpaceArm,\r | |
78 | EArmObjCmRef,\r | |
79 | CM_ARM_OBJ_REF\r | |
80 | );\r | |
81 | \r | |
82 | /**\r | |
83 | This macro expands to a function that retrieves the GIC CPU interface\r | |
84 | information from the Configuration Manager.\r | |
85 | */\r | |
86 | GET_OBJECT_LIST (\r | |
87 | EObjNameSpaceArm,\r | |
88 | EArmObjGicCInfo,\r | |
89 | CM_ARM_GICC_INFO\r | |
90 | );\r | |
91 | \r | |
92 | /**\r | |
93 | Returns the size of the PPTT Processor Hierarchy Node (Type 0) given a\r | |
94 | Processor Hierarchy Info CM object.\r | |
95 | \r | |
96 | @param [in] Node Pointer to Processor Hierarchy Info CM object which\r | |
97 | represents the Processor Hierarchy Node to be generated.\r | |
98 | \r | |
99 | @retval Size of the Processor Hierarchy Node in bytes.\r | |
100 | **/\r | |
101 | STATIC\r | |
102 | UINT32\r | |
103 | GetProcHierarchyNodeSize (\r | |
104 | IN CONST CM_ARM_PROC_HIERARCHY_INFO * Node\r | |
105 | )\r | |
106 | {\r | |
107 | ASSERT (Node != NULL);\r | |
108 | \r | |
109 | // <size of Processor Hierarchy Node> + <size of Private Resources array>\r | |
110 | return sizeof (EFI_ACPI_6_3_PPTT_STRUCTURE_PROCESSOR) +\r | |
111 | (Node->NoOfPrivateResources * sizeof (UINT32));\r | |
112 | }\r | |
113 | \r | |
114 | /**\r | |
115 | This macro expands to a function that retrieves the amount of memory required\r | |
116 | to store the Processor Hierarchy Nodes (Type 0) and updates the Node Indexer.\r | |
117 | */\r | |
118 | GET_SIZE_OF_PPTT_STRUCTS (\r | |
119 | ProcHierarchyNodes,\r | |
120 | GetProcHierarchyNodeSize (NodesToIndex),\r | |
121 | CM_ARM_PROC_HIERARCHY_INFO\r | |
122 | );\r | |
123 | \r | |
124 | /**\r | |
125 | This macro expands to a function that retrieves the amount of memory required\r | |
126 | to store the Cache Type Structures (Type 1) and updates the Node Indexer.\r | |
127 | */\r | |
128 | GET_SIZE_OF_PPTT_STRUCTS (\r | |
129 | CacheTypeStructs,\r | |
130 | sizeof (EFI_ACPI_6_3_PPTT_STRUCTURE_CACHE),\r | |
131 | CM_ARM_CACHE_INFO\r | |
132 | );\r | |
133 | \r | |
134 | /** This macro expands to a function that retrieves the amount of memory\r | |
135 | required to store the ID Structures (Type 2) and updates the Node Indexer.\r | |
136 | */\r | |
137 | GET_SIZE_OF_PPTT_STRUCTS (\r | |
138 | IdStructs,\r | |
139 | sizeof (EFI_ACPI_6_3_PPTT_STRUCTURE_ID),\r | |
140 | CM_ARM_PROC_NODE_ID_INFO\r | |
141 | );\r | |
142 | \r | |
143 | /**\r | |
144 | Search the Node Indexer and return the indexed PPTT node with the given\r | |
145 | Token.\r | |
146 | \r | |
147 | @param [in] NodeIndexer Pointer to the Node Indexer array.\r | |
148 | @param [in] NodeCount Number of elements in Node Indexer.\r | |
149 | @param [in] SearchToken Token used for Node Indexer lookup.\r | |
150 | @param [out] IndexedNodeFound Pointer to the Node Indexer array element\r | |
151 | with the given Token.\r | |
152 | \r | |
153 | @retval EFI_SUCCESS Success.\r | |
154 | @retval EFI_NOT_FOUND No element with a matching token was\r | |
155 | found in the Node Indexer array.\r | |
156 | **/\r | |
157 | STATIC\r | |
158 | EFI_STATUS\r | |
159 | GetPpttNodeReferencedByToken (\r | |
160 | IN PPTT_NODE_INDEXER * NodeIndexer,\r | |
161 | IN UINT32 NodeCount,\r | |
162 | IN CONST CM_OBJECT_TOKEN SearchToken,\r | |
163 | OUT PPTT_NODE_INDEXER ** IndexedNodeFound\r | |
164 | )\r | |
165 | {\r | |
166 | EFI_STATUS Status;\r | |
167 | \r | |
168 | ASSERT (NodeIndexer != NULL);\r | |
169 | \r | |
170 | DEBUG ((\r | |
171 | DEBUG_INFO,\r | |
172 | "PPTT: Node Indexer: SearchToken = %p\n",\r | |
173 | SearchToken\r | |
174 | ));\r | |
175 | \r | |
176 | while (NodeCount-- != 0) {\r | |
177 | DEBUG ((\r | |
178 | DEBUG_INFO,\r | |
179 | "PPTT: Node Indexer: NodeIndexer->Token = %p. Offset = %d\n",\r | |
180 | NodeIndexer->Token,\r | |
181 | NodeIndexer->Offset\r | |
182 | ));\r | |
183 | \r | |
184 | if (NodeIndexer->Token == SearchToken) {\r | |
185 | *IndexedNodeFound = NodeIndexer;\r | |
186 | Status = EFI_SUCCESS;\r | |
187 | DEBUG ((\r | |
188 | DEBUG_INFO,\r | |
189 | "PPTT: Node Indexer: Token = %p. Found, Status = %r\n",\r | |
190 | SearchToken,\r | |
191 | Status\r | |
192 | ));\r | |
193 | return Status;\r | |
194 | }\r | |
195 | NodeIndexer++;\r | |
196 | }\r | |
197 | \r | |
198 | Status = EFI_NOT_FOUND;\r | |
199 | DEBUG ((\r | |
200 | DEBUG_ERROR,\r | |
201 | "PPTT: Node Indexer: SearchToken = %p. Status = %r\n",\r | |
202 | SearchToken,\r | |
203 | Status\r | |
204 | ));\r | |
205 | \r | |
206 | return Status;\r | |
207 | }\r | |
208 | \r | |
209 | /**\r | |
210 | Detect cycles in the processor and cache topology graph represented in\r | |
211 | the PPTT table.\r | |
212 | \r | |
213 | @param [in] Generator Pointer to the PPTT Generator.\r | |
214 | \r | |
215 | @retval EFI_SUCCESS There are no cyclic references in the graph.\r | |
216 | @retval EFI_INVALID_PARAMETER Processor or cache references form a cycle.\r | |
217 | **/\r | |
218 | STATIC\r | |
219 | EFI_STATUS\r | |
220 | DetectCyclesInTopology (\r | |
221 | IN CONST ACPI_PPTT_GENERATOR * CONST Generator\r | |
222 | )\r | |
223 | {\r | |
224 | EFI_STATUS Status;\r | |
225 | PPTT_NODE_INDEXER * Iterator;\r | |
226 | PPTT_NODE_INDEXER * CycleDetector;\r | |
227 | UINT32 NodesRemaining;\r | |
228 | \r | |
229 | ASSERT (Generator != NULL);\r | |
230 | \r | |
231 | Iterator = Generator->NodeIndexer;\r | |
232 | NodesRemaining = Generator->ProcTopologyStructCount;\r | |
233 | \r | |
234 | while (NodesRemaining != 0) {\r | |
235 | DEBUG ((\r | |
236 | DEBUG_INFO,\r | |
237 | "INFO: PPTT: Cycle detection for element with index %d\n",\r | |
238 | Generator->ProcTopologyStructCount - NodesRemaining\r | |
239 | ));\r | |
240 | \r | |
241 | CycleDetector = Iterator;\r | |
242 | \r | |
243 | // Walk the topology tree\r | |
244 | while (CycleDetector->TopologyParent != NULL) {\r | |
245 | DEBUG ((\r | |
246 | DEBUG_INFO,\r | |
247 | "INFO: PPTT: %p -> %p\n",\r | |
248 | CycleDetector->Token,\r | |
249 | CycleDetector->TopologyParent->Token\r | |
250 | ));\r | |
251 | \r | |
252 | // Check if we have already visited this node\r | |
253 | if (CycleDetector->CycleDetectionStamp == NodesRemaining) {\r | |
254 | Status = EFI_INVALID_PARAMETER;\r | |
255 | DEBUG ((\r | |
256 | DEBUG_ERROR,\r | |
257 | "ERROR: PPTT: Cycle in processor and cache topology detected for " \\r | |
258 | "a chain of references originating from a node with: Token = %p " \\r | |
259 | "Status = %r\n",\r | |
260 | Iterator->Token,\r | |
261 | Status\r | |
262 | ));\r | |
263 | return Status;\r | |
264 | }\r | |
265 | \r | |
266 | // Stamp the visited node\r | |
267 | CycleDetector->CycleDetectionStamp = NodesRemaining;\r | |
268 | CycleDetector = CycleDetector->TopologyParent;\r | |
269 | } // Continue topology tree walk\r | |
270 | \r | |
271 | Iterator++;\r | |
272 | NodesRemaining--;\r | |
273 | } // Next Node Indexer\r | |
274 | \r | |
275 | return EFI_SUCCESS;\r | |
276 | }\r | |
277 | \r | |
278 | /**\r | |
279 | Update the array of private resources for a given Processor Hierarchy Node.\r | |
280 | \r | |
281 | @param [in] Generator Pointer to the PPTT Generator.\r | |
282 | @param [in] CfgMgrProtocol Pointer to the Configuration Manager\r | |
283 | Protocol Interface.\r | |
284 | @param [in] PrivResArray Pointer to the array of private resources.\r | |
285 | @param [in] PrivResCount Number of private resources.\r | |
286 | @param [in] PrivResArrayToken Reference Token for the CM_ARM_OBJ_REF\r | |
287 | array describing node's private resources.\r | |
288 | \r | |
289 | @retval EFI_SUCCESS Array updated successfully.\r | |
290 | @retval EFI_INVALID_PARAMETER A parameter is invalid.\r | |
291 | @retval EFI_NOT_FOUND A private resource was not found.\r | |
292 | **/\r | |
293 | STATIC\r | |
294 | EFI_STATUS\r | |
295 | AddPrivateResources (\r | |
296 | IN CONST ACPI_PPTT_GENERATOR * CONST Generator,\r | |
297 | IN CONST EDKII_CONFIGURATION_MANAGER_PROTOCOL * CONST CfgMgrProtocol,\r | |
298 | IN UINT32 * PrivResArray,\r | |
299 | IN UINT32 PrivResCount,\r | |
300 | IN CONST CM_OBJECT_TOKEN PrivResArrayToken\r | |
301 | )\r | |
302 | {\r | |
303 | EFI_STATUS Status;\r | |
304 | CM_ARM_OBJ_REF * CmObjRefs;\r | |
305 | UINT32 CmObjRefCount;\r | |
306 | PPTT_NODE_INDEXER * PpttNodeFound;\r | |
307 | \r | |
308 | ASSERT (\r | |
309 | (Generator != NULL) &&\r | |
310 | (CfgMgrProtocol != NULL) &&\r | |
311 | (PrivResArray != NULL) &&\r | |
312 | (PrivResCount != 0)\r | |
313 | );\r | |
314 | \r | |
315 | // Validate input arguments\r | |
316 | if (PrivResArrayToken == CM_NULL_TOKEN) {\r | |
317 | Status = EFI_INVALID_PARAMETER;\r | |
318 | DEBUG ((\r | |
319 | DEBUG_ERROR,\r | |
320 | "ERROR: PPTT: The number of private resources is %d while " \\r | |
321 | "PrivResToken = CM_NULL_TOKEN. Status = %r\n",\r | |
322 | PrivResCount,\r | |
323 | Status\r | |
324 | ));\r | |
325 | return Status;\r | |
326 | }\r | |
327 | \r | |
328 | CmObjRefCount = 0;\r | |
329 | // Get the CM Object References\r | |
330 | Status = GetEArmObjCmRef (\r | |
331 | CfgMgrProtocol,\r | |
332 | PrivResArrayToken,\r | |
333 | &CmObjRefs,\r | |
334 | &CmObjRefCount\r | |
335 | );\r | |
336 | if (EFI_ERROR (Status)) {\r | |
337 | DEBUG ((\r | |
338 | DEBUG_ERROR,\r | |
339 | "ERROR: PPTT: Failed to get CM Object References. " \\r | |
340 | "PrivResToken = %p. Status = %r\n",\r | |
341 | PrivResArrayToken,\r | |
342 | Status\r | |
343 | ));\r | |
344 | return Status;\r | |
345 | }\r | |
346 | \r | |
347 | if (CmObjRefCount != PrivResCount) {\r | |
348 | Status = EFI_INVALID_PARAMETER;\r | |
349 | DEBUG ((\r | |
350 | DEBUG_ERROR,\r | |
351 | "ERROR: PPTT: The number of CM Object References retrieved and the " \\r | |
352 | "number of private resources don't match. CmObjRefCount = %d. " \\r | |
353 | "PrivResourceCount = %d. PrivResToken = %p. Status = %r\n",\r | |
354 | CmObjRefCount,\r | |
355 | PrivResCount,\r | |
356 | PrivResArrayToken,\r | |
357 | Status\r | |
358 | ));\r | |
359 | return Status;\r | |
360 | }\r | |
361 | \r | |
362 | while (PrivResCount-- != 0) {\r | |
363 | if (CmObjRefs->ReferenceToken == CM_NULL_TOKEN) {\r | |
364 | Status = EFI_INVALID_PARAMETER;\r | |
365 | DEBUG ((\r | |
366 | DEBUG_ERROR,\r | |
367 | "ERROR: PPTT: CM_NULL_TOKEN provided as reference token for a " \\r | |
368 | "private resource. Status = %r\n",\r | |
369 | Status\r | |
370 | ));\r | |
371 | return Status;\r | |
372 | }\r | |
373 | \r | |
374 | // The Node indexer has the Processor hierarchy nodes at the begining\r | |
375 | // followed by the cache structs and Id structs. Therefore we can\r | |
376 | // skip the Processor hierarchy nodes in the node indexer search.\r | |
377 | Status = GetPpttNodeReferencedByToken (\r | |
378 | Generator->CacheStructIndexedList,\r | |
379 | (Generator->ProcTopologyStructCount -\r | |
380 | Generator->ProcHierarchyNodeCount),\r | |
381 | CmObjRefs->ReferenceToken,\r | |
382 | &PpttNodeFound\r | |
383 | );\r | |
384 | if (EFI_ERROR (Status)) {\r | |
385 | DEBUG ((\r | |
386 | DEBUG_ERROR,\r | |
387 | "ERROR: PPTT: Failed to get a private resource with Token = %p from " \\r | |
388 | "Node Indexer. Status = %r\n",\r | |
389 | CmObjRefs->ReferenceToken,\r | |
390 | Status\r | |
391 | ));\r | |
392 | return Status;\r | |
393 | }\r | |
394 | \r | |
395 | // Update the offset of the private resources in the Processor\r | |
396 | // Hierarchy Node structure\r | |
397 | *(PrivResArray++) = PpttNodeFound->Offset;\r | |
398 | CmObjRefs++;\r | |
399 | }\r | |
400 | \r | |
401 | return EFI_SUCCESS;\r | |
402 | }\r | |
403 | \r | |
404 | /**\r | |
405 | Function to test if two indexed Processor Hierarchy Info objects map to the\r | |
406 | same GIC CPU Interface Info object.\r | |
407 | \r | |
408 | This is a callback function that can be invoked by FindDuplicateValue ().\r | |
409 | \r | |
410 | @param [in] Object1 Pointer to the first indexed Processor Hierarchy\r | |
411 | Info object.\r | |
412 | @param [in] Object2 Pointer to the second indexed Processor Hierarchy\r | |
413 | Info object.\r | |
414 | @param [in] Index1 Index of Object1 to be displayed for debugging\r | |
415 | purposes.\r | |
416 | @param [in] Index2 Index of Object2 to be displayed for debugging\r | |
417 | purposes.\r | |
418 | \r | |
419 | @retval TRUE Object1 and Object2 have the same GicCToken.\r | |
420 | @retval FALSE Object1 and Object2 have different GicCTokens.\r | |
421 | **/\r | |
422 | BOOLEAN\r | |
423 | EFIAPI\r | |
424 | IsGicCTokenEqual (\r | |
425 | IN CONST VOID * Object1,\r | |
426 | IN CONST VOID * Object2,\r | |
427 | IN UINTN Index1,\r | |
428 | IN UINTN Index2\r | |
429 | )\r | |
430 | {\r | |
431 | PPTT_NODE_INDEXER * IndexedObject1;\r | |
432 | PPTT_NODE_INDEXER * IndexedObject2;\r | |
433 | CM_ARM_PROC_HIERARCHY_INFO * ProcNode1;\r | |
434 | CM_ARM_PROC_HIERARCHY_INFO * ProcNode2;\r | |
435 | \r | |
436 | ASSERT (\r | |
437 | (Object1 != NULL) &&\r | |
438 | (Object2 != NULL)\r | |
439 | );\r | |
440 | \r | |
441 | IndexedObject1 = (PPTT_NODE_INDEXER*)Object1;\r | |
442 | IndexedObject2 = (PPTT_NODE_INDEXER*)Object2;\r | |
443 | ProcNode1 = (CM_ARM_PROC_HIERARCHY_INFO*)IndexedObject1->Object;\r | |
444 | ProcNode2 = (CM_ARM_PROC_HIERARCHY_INFO*)IndexedObject2->Object;\r | |
445 | \r | |
446 | if (IS_ACPI_PROC_ID_VALID (ProcNode1) &&\r | |
447 | IS_ACPI_PROC_ID_VALID (ProcNode2) &&\r | |
448 | (ProcNode1->GicCToken != CM_NULL_TOKEN) &&\r | |
449 | (ProcNode2->GicCToken != CM_NULL_TOKEN) &&\r | |
450 | (ProcNode1->GicCToken == ProcNode2->GicCToken)) {\r | |
451 | DEBUG ((\r | |
452 | DEBUG_ERROR,\r | |
453 | "ERROR: PPTT: Two Processor Hierarchy Info objects (%d and %d) map to " \\r | |
454 | "the same GICC Info object. ACPI Processor IDs are not unique. " \\r | |
455 | "GicCToken = %p.\n",\r | |
456 | Index1,\r | |
457 | IndexedObject1->Token,\r | |
458 | Index2,\r | |
459 | ProcNode1->GicCToken\r | |
460 | ));\r | |
461 | return TRUE;\r | |
462 | }\r | |
463 | \r | |
464 | return FALSE;\r | |
465 | }\r | |
466 | \r | |
467 | /**\r | |
468 | Update the Processor Hierarchy Node (Type 0) information.\r | |
469 | \r | |
470 | This function populates the Processor Hierarchy Nodes with information from\r | |
471 | the Configuration Manager and adds this information to the PPTT table.\r | |
472 | \r | |
473 | @param [in] Generator Pointer to the PPTT Generator.\r | |
474 | @param [in] CfgMgrProtocol Pointer to the Configuration Manager\r | |
475 | Protocol Interface.\r | |
476 | @param [in] Pptt Pointer to PPTT table structure.\r | |
477 | @param [in] NodesStartOffset Offset from the start of PPTT table to the\r | |
478 | start of Processor Hierarchy Nodes.\r | |
479 | \r | |
480 | @retval EFI_SUCCESS Node updated successfully.\r | |
481 | @retval EFI_INVALID_PARAMETER A parameter is invalid.\r | |
482 | @retval EFI_NOT_FOUND The required object was not found.\r | |
483 | **/\r | |
484 | STATIC\r | |
485 | EFI_STATUS\r | |
486 | AddProcHierarchyNodes (\r | |
487 | IN CONST ACPI_PPTT_GENERATOR * CONST Generator,\r | |
488 | IN CONST EDKII_CONFIGURATION_MANAGER_PROTOCOL * CONST CfgMgrProtocol,\r | |
489 | IN CONST EFI_ACPI_6_3_PROCESSOR_PROPERTIES_TOPOLOGY_TABLE_HEADER * Pptt,\r | |
490 | IN CONST UINT32 NodesStartOffset\r | |
491 | )\r | |
492 | {\r | |
493 | EFI_STATUS Status;\r | |
494 | EFI_ACPI_6_3_PPTT_STRUCTURE_PROCESSOR * ProcStruct;\r | |
495 | UINT32 * PrivateResources;\r | |
496 | BOOLEAN IsGicCTokenDuplicated;\r | |
497 | \r | |
498 | CM_ARM_GICC_INFO * GicCInfoList;\r | |
499 | UINT32 GicCInfoCount;\r | |
500 | UINT32 UniqueGicCRefCount;\r | |
501 | \r | |
502 | PPTT_NODE_INDEXER * PpttNodeFound;\r | |
503 | CM_ARM_PROC_HIERARCHY_INFO * ProcInfoNode;\r | |
504 | \r | |
505 | PPTT_NODE_INDEXER * ProcNodeIterator;\r | |
506 | UINT32 NodeCount;\r | |
507 | \r | |
508 | ASSERT (\r | |
509 | (Generator != NULL) &&\r | |
510 | (CfgMgrProtocol != NULL) &&\r | |
511 | (Pptt != NULL)\r | |
512 | );\r | |
513 | \r | |
514 | ProcStruct = (EFI_ACPI_6_3_PPTT_STRUCTURE_PROCESSOR*)((UINT8*)Pptt +\r | |
515 | NodesStartOffset);\r | |
516 | \r | |
517 | ProcNodeIterator = Generator->ProcHierarchyNodeIndexedList;\r | |
518 | NodeCount = Generator->ProcHierarchyNodeCount;\r | |
519 | \r | |
520 | // Check if every GICC Object is referenced by onlu one Proc Node\r | |
521 | IsGicCTokenDuplicated = FindDuplicateValue (\r | |
522 | ProcNodeIterator,\r | |
523 | NodeCount,\r | |
524 | sizeof (PPTT_NODE_INDEXER),\r | |
525 | IsGicCTokenEqual\r | |
526 | );\r | |
527 | // Duplicate GIC CPU Interface Token was found so two PPTT Processor Hierarchy\r | |
528 | // Nodes map to the same MADT GICC structure\r | |
529 | if (IsGicCTokenDuplicated) {\r | |
530 | return EFI_INVALID_PARAMETER;\r | |
531 | }\r | |
532 | \r | |
533 | UniqueGicCRefCount = 0;\r | |
534 | \r | |
535 | while (NodeCount-- != 0) {\r | |
536 | ProcInfoNode = (CM_ARM_PROC_HIERARCHY_INFO*)ProcNodeIterator->Object;\r | |
537 | \r | |
538 | // Check if the private resource count is within the size limit\r | |
539 | // imposed on the Processor Hierarchy node by the specification.\r | |
540 | // Note: The length field is 8 bit wide while the number of private\r | |
541 | // resource field is 32 bit wide.\r | |
542 | if ((sizeof (EFI_ACPI_6_3_PPTT_STRUCTURE_PROCESSOR) +\r | |
543 | (ProcInfoNode->NoOfPrivateResources * sizeof (UINT32))) > MAX_UINT8) {\r | |
544 | Status = EFI_INVALID_PARAMETER;\r | |
545 | DEBUG ((\r | |
546 | DEBUG_ERROR,\r | |
547 | "ERROR: PPTT: Too many private resources. Count = %d. " \\r | |
548 | "Maximum supported Processor Node size exceeded. " \\r | |
549 | "Token = %p. Status = %r\n",\r | |
550 | ProcInfoNode->NoOfPrivateResources,\r | |
551 | ProcInfoNode->ParentToken,\r | |
552 | Status\r | |
553 | ));\r | |
554 | return Status;\r | |
555 | }\r | |
556 | \r | |
557 | // Populate the node header\r | |
558 | ProcStruct->Type = EFI_ACPI_6_3_PPTT_TYPE_PROCESSOR;\r | |
559 | ProcStruct->Length = GetProcHierarchyNodeSize (ProcInfoNode);\r | |
560 | ProcStruct->Reserved[0] = EFI_ACPI_RESERVED_BYTE;\r | |
561 | ProcStruct->Reserved[1] = EFI_ACPI_RESERVED_BYTE;\r | |
562 | \r | |
563 | // Populate the flags\r | |
564 | ProcStruct->Flags.PhysicalPackage = ProcInfoNode->Flags & BIT0;\r | |
565 | ProcStruct->Flags.AcpiProcessorIdValid = (ProcInfoNode->Flags & BIT1) >> 1;\r | |
566 | ProcStruct->Flags.ProcessorIsAThread = (ProcInfoNode->Flags & BIT2) >> 2;\r | |
567 | ProcStruct->Flags.NodeIsALeaf = (ProcInfoNode->Flags & BIT3) >> 3;\r | |
568 | ProcStruct->Flags.IdenticalImplementation =\r | |
569 | (ProcInfoNode->Flags & BIT4) >> 4;\r | |
570 | ProcStruct->Flags.Reserved = 0;\r | |
571 | \r | |
572 | // Populate the parent reference\r | |
573 | if (ProcInfoNode->ParentToken == CM_NULL_TOKEN) {\r | |
574 | ProcStruct->Parent = 0;\r | |
575 | } else {\r | |
576 | Status = GetPpttNodeReferencedByToken (\r | |
577 | Generator->ProcHierarchyNodeIndexedList,\r | |
578 | Generator->ProcHierarchyNodeCount,\r | |
579 | ProcInfoNode->ParentToken,\r | |
580 | &PpttNodeFound\r | |
581 | );\r | |
582 | if (EFI_ERROR (Status)) {\r | |
583 | DEBUG ((\r | |
584 | DEBUG_ERROR,\r | |
585 | "ERROR: PPTT: Failed to get parent processor hierarchy node " \\r | |
586 | "reference. Token = %p, Status = %r\n",\r | |
587 | ProcInfoNode->ParentToken,\r | |
588 | ProcInfoNode->Token,\r | |
589 | Status\r | |
590 | ));\r | |
591 | return Status;\r | |
592 | }\r | |
593 | \r | |
594 | // Test if the reference is to a 'leaf' node\r | |
595 | if (IS_PROC_NODE_LEAF (\r | |
596 | ((CM_ARM_PROC_HIERARCHY_INFO*)PpttNodeFound->Object))) {\r | |
597 | Status = EFI_INVALID_PARAMETER;\r | |
598 | DEBUG ((\r | |
599 | DEBUG_ERROR,\r | |
600 | "ERROR: PPTT: Reference to a leaf Processor Hierarchy Node. " \\r | |
601 | "ParentToken = %p. ChildToken = %p. Status = %r\n",\r | |
602 | ProcInfoNode->ParentToken,\r | |
603 | ProcInfoNode->Token,\r | |
604 | Status\r | |
605 | ));\r | |
606 | return Status;\r | |
607 | }\r | |
608 | \r | |
609 | // Update Proc Structure with the offset of the parent node\r | |
610 | ProcStruct->Parent = PpttNodeFound->Offset;\r | |
611 | \r | |
612 | // Store the reference for the parent node in the Node Indexer\r | |
613 | // so that this can be used later for cycle detection\r | |
614 | ProcNodeIterator->TopologyParent = PpttNodeFound;\r | |
615 | }\r | |
616 | \r | |
617 | // Populate ACPI Processor ID\r | |
618 | if (!IS_ACPI_PROC_ID_VALID (ProcInfoNode)) {\r | |
619 | // Default invalid ACPI Processor ID to 0\r | |
620 | ProcStruct->AcpiProcessorId = 0;\r | |
621 | } else if (ProcInfoNode->GicCToken == CM_NULL_TOKEN) {\r | |
622 | Status = EFI_INVALID_PARAMETER;\r | |
623 | DEBUG ((\r | |
624 | DEBUG_ERROR,\r | |
625 | "ERROR: PPTT: The 'ACPI Processor ID valid' flag is set but no GICC " \\r | |
626 | "structure token was provided. GicCToken = %p. RequestorToken = %p. " \\r | |
627 | "Status = %r\n",\r | |
628 | ProcInfoNode->GicCToken,\r | |
629 | ProcInfoNode->Token,\r | |
630 | Status\r | |
631 | ));\r | |
632 | return Status;\r | |
633 | } else {\r | |
634 | Status = GetEArmObjGicCInfo (\r | |
635 | CfgMgrProtocol,\r | |
636 | ProcInfoNode->GicCToken,\r | |
637 | &GicCInfoList,\r | |
638 | &GicCInfoCount\r | |
639 | );\r | |
640 | if (EFI_ERROR (Status)) {\r | |
641 | DEBUG ((\r | |
642 | DEBUG_ERROR,\r | |
643 | "ERROR: PPTT: Failed to get GICC structure. ACPI Processor ID " \\r | |
644 | "can't be populated. GicCToken = %p. RequestorToken = %p. " \\r | |
645 | "Status = %r\n",\r | |
646 | ProcInfoNode->GicCToken,\r | |
647 | ProcInfoNode->Token,\r | |
648 | Status\r | |
649 | ));\r | |
650 | return Status;\r | |
651 | }\r | |
652 | \r | |
653 | if (GicCInfoCount != 1) {\r | |
654 | Status = EFI_INVALID_PARAMETER;\r | |
655 | DEBUG ((\r | |
656 | DEBUG_ERROR,\r | |
657 | "ERROR: PPTT: Failed to find a unique GICC structure. " \\r | |
658 | "ACPI Processor ID can't be populated. " \\r | |
659 | "GICC Structure Count = %d. GicCToken = %p. RequestorToken = %p " \\r | |
660 | "Status = %r\n",\r | |
661 | GicCInfoCount,\r | |
662 | ProcInfoNode->GicCToken,\r | |
663 | ProcInfoNode->Token,\r | |
664 | Status\r | |
665 | ));\r | |
666 | return Status;\r | |
667 | }\r | |
668 | \r | |
669 | // Update the ACPI Processor Id\r | |
670 | ProcStruct->AcpiProcessorId = GicCInfoList->AcpiProcessorUid;\r | |
671 | \r | |
672 | // Increment the reference count for the number of\r | |
673 | // Unique GICC objects that were retrieved.\r | |
674 | UniqueGicCRefCount++;\r | |
675 | }\r | |
676 | \r | |
677 | ProcStruct->NumberOfPrivateResources = ProcInfoNode->NoOfPrivateResources;\r | |
678 | PrivateResources = (UINT32*)((UINT8*)ProcStruct +\r | |
679 | sizeof (EFI_ACPI_6_3_PPTT_STRUCTURE_PROCESSOR));\r | |
680 | \r | |
681 | if (ProcStruct->NumberOfPrivateResources != 0) {\r | |
682 | // Populate the private resources array\r | |
683 | Status = AddPrivateResources (\r | |
684 | Generator,\r | |
685 | CfgMgrProtocol,\r | |
686 | PrivateResources,\r | |
687 | ProcStruct->NumberOfPrivateResources,\r | |
688 | ProcInfoNode->PrivateResourcesArrayToken\r | |
689 | );\r | |
690 | if (EFI_ERROR (Status)) {\r | |
691 | DEBUG ((\r | |
692 | DEBUG_ERROR,\r | |
693 | "ERROR: PPTT: Failed to populate the private resources array. " \\r | |
694 | "Status = %r\n",\r | |
695 | Status\r | |
696 | ));\r | |
697 | return Status;\r | |
698 | }\r | |
699 | }\r | |
700 | \r | |
701 | // Next Processor Hierarchy Node\r | |
702 | ProcStruct = (EFI_ACPI_6_3_PPTT_STRUCTURE_PROCESSOR*)((UINT8*)ProcStruct +\r | |
703 | ProcStruct->Length);\r | |
704 | ProcNodeIterator++;\r | |
705 | } // Processor Hierarchy Node\r | |
706 | \r | |
707 | // Knowing the total number of GICC references made and that all GICC Token\r | |
708 | // references are unique, we can test if no GICC instances have been left out.\r | |
709 | Status = GetEArmObjGicCInfo (\r | |
710 | CfgMgrProtocol,\r | |
711 | CM_NULL_TOKEN,\r | |
712 | &GicCInfoList,\r | |
713 | &GicCInfoCount\r | |
714 | );\r | |
715 | if (EFI_ERROR (Status)) {\r | |
716 | DEBUG ((\r | |
717 | DEBUG_ERROR,\r | |
718 | "ERROR: PPTT: Failed to get GICC Info. Status = %r\n",\r | |
719 | Status\r | |
720 | ));\r | |
721 | return Status;\r | |
722 | }\r | |
723 | \r | |
724 | // MADT - PPTT cross validation\r | |
725 | // This checks that one and only one GICC structure is referenced by a\r | |
726 | // Processor Hierarchy Node in the PPTT.\r | |
727 | // Since we have already checked that the GICC objects referenced by the\r | |
728 | // Proc Nodes are unique, the UniqueGicCRefCount cannot be greater than\r | |
729 | // the total number of GICC objects in the platform.\r | |
730 | if (GicCInfoCount > UniqueGicCRefCount) {\r | |
731 | Status = EFI_INVALID_PARAMETER;\r | |
732 | DEBUG ((\r | |
733 | DEBUG_ERROR,\r | |
734 | "ERROR: PPTT: %d GICC structure(s) exposed by MADT don't have " \\r | |
735 | "a corresponding Processor Hierarchy Node. Status = %r\n",\r | |
736 | GicCInfoCount - UniqueGicCRefCount,\r | |
737 | Status\r | |
738 | ));\r | |
739 | }\r | |
740 | \r | |
741 | return Status;\r | |
742 | }\r | |
743 | \r | |
744 | /**\r | |
745 | Update the Cache Type Structure (Type 1) information.\r | |
746 | \r | |
747 | This function populates the Cache Type Structures with information from\r | |
748 | the Configuration Manager and adds this information to the PPTT table.\r | |
749 | \r | |
750 | @param [in] Generator Pointer to the PPTT Generator.\r | |
751 | @param [in] CfgMgrProtocol Pointer to the Configuration Manager\r | |
752 | Protocol Interface.\r | |
753 | @param [in] Pptt Pointer to PPTT table structure.\r | |
754 | @param [in] NodesStartOffset Offset from the start of PPTT table to the\r | |
755 | start of Cache Type Structures.\r | |
756 | \r | |
757 | @retval EFI_SUCCESS Structures updated successfully.\r | |
758 | @retval EFI_INVALID_PARAMETER A parameter is invalid.\r | |
759 | @retval EFI_NOT_FOUND A required object was not found.\r | |
760 | **/\r | |
761 | STATIC\r | |
762 | EFI_STATUS\r | |
763 | AddCacheTypeStructures (\r | |
764 | IN CONST ACPI_PPTT_GENERATOR * CONST Generator,\r | |
765 | IN CONST EDKII_CONFIGURATION_MANAGER_PROTOCOL * CONST CfgMgrProtocol,\r | |
766 | IN CONST EFI_ACPI_6_3_PROCESSOR_PROPERTIES_TOPOLOGY_TABLE_HEADER * Pptt,\r | |
767 | IN CONST UINT32 NodesStartOffset\r | |
768 | )\r | |
769 | {\r | |
770 | EFI_STATUS Status;\r | |
771 | EFI_ACPI_6_3_PPTT_STRUCTURE_CACHE * CacheStruct;\r | |
772 | PPTT_NODE_INDEXER * PpttNodeFound;\r | |
773 | CM_ARM_CACHE_INFO * CacheInfoNode;\r | |
774 | PPTT_NODE_INDEXER * CacheNodeIterator;\r | |
775 | UINT32 NodeCount;\r | |
776 | \r | |
777 | ASSERT (\r | |
778 | (Generator != NULL) &&\r | |
779 | (CfgMgrProtocol != NULL) &&\r | |
780 | (Pptt != NULL)\r | |
781 | );\r | |
782 | \r | |
783 | CacheStruct = (EFI_ACPI_6_3_PPTT_STRUCTURE_CACHE*)((UINT8*)Pptt +\r | |
784 | NodesStartOffset);\r | |
785 | \r | |
786 | CacheNodeIterator = Generator->CacheStructIndexedList;\r | |
787 | NodeCount = Generator->CacheStructCount;\r | |
788 | \r | |
789 | while (NodeCount-- != 0) {\r | |
790 | CacheInfoNode = (CM_ARM_CACHE_INFO*)CacheNodeIterator->Object;\r | |
791 | \r | |
792 | // Populate the node header\r | |
793 | CacheStruct->Type = EFI_ACPI_6_3_PPTT_TYPE_CACHE;\r | |
794 | CacheStruct->Length = sizeof (EFI_ACPI_6_3_PPTT_STRUCTURE_CACHE);\r | |
795 | CacheStruct->Reserved[0] = EFI_ACPI_RESERVED_BYTE;\r | |
796 | CacheStruct->Reserved[1] = EFI_ACPI_RESERVED_BYTE;\r | |
797 | \r | |
798 | // "On Arm-based systems, all cache properties must be provided in the\r | |
799 | // table." (ACPI 6.3, Section 5.2.29.2)\r | |
800 | CacheStruct->Flags.SizePropertyValid = 1;\r | |
801 | CacheStruct->Flags.NumberOfSetsValid = 1;\r | |
802 | CacheStruct->Flags.AssociativityValid = 1;\r | |
803 | CacheStruct->Flags.AllocationTypeValid = 1;\r | |
804 | CacheStruct->Flags.CacheTypeValid = 1;\r | |
805 | CacheStruct->Flags.WritePolicyValid = 1;\r | |
806 | CacheStruct->Flags.LineSizeValid = 1;\r | |
807 | CacheStruct->Flags.Reserved = 0;\r | |
808 | \r | |
809 | // Populate the reference to the next level of cache\r | |
810 | if (CacheInfoNode->NextLevelOfCacheToken == CM_NULL_TOKEN) {\r | |
811 | CacheStruct->NextLevelOfCache = 0;\r | |
812 | } else {\r | |
813 | Status = GetPpttNodeReferencedByToken (\r | |
814 | Generator->CacheStructIndexedList,\r | |
815 | Generator->CacheStructCount,\r | |
816 | CacheInfoNode->NextLevelOfCacheToken,\r | |
817 | &PpttNodeFound\r | |
818 | );\r | |
819 | if (EFI_ERROR (Status)) {\r | |
820 | DEBUG ((\r | |
821 | DEBUG_ERROR,\r | |
822 | "ERROR: PPTT: Failed to get the reference to the Next Level of " \\r | |
823 | "Cache. NextLevelOfCacheToken = %p. RequestorToken = %p. " \\r | |
824 | "Status = %r\n",\r | |
825 | CacheInfoNode->NextLevelOfCacheToken,\r | |
826 | CacheInfoNode->Token,\r | |
827 | Status\r | |
828 | ));\r | |
829 | return Status;\r | |
830 | }\r | |
831 | \r | |
832 | // Update Cache Structure with the offset for the next level of cache\r | |
833 | CacheStruct->NextLevelOfCache = PpttNodeFound->Offset;\r | |
834 | \r | |
835 | // Store the next level of cache information in the Node Indexer\r | |
836 | // so that this can be used later for cycle detection\r | |
837 | CacheNodeIterator->TopologyParent = PpttNodeFound;\r | |
838 | }\r | |
839 | \r | |
840 | CacheStruct->Size = CacheInfoNode->Size;\r | |
841 | \r | |
842 | // Validate and populate the 'Number of sets' field\r | |
843 | if (CacheInfoNode->NumberOfSets > PPTT_ARM_CCIDX_CACHE_NUMBER_OF_SETS_MAX) {\r | |
844 | Status = EFI_INVALID_PARAMETER;\r | |
845 | DEBUG ((\r | |
846 | DEBUG_ERROR,\r | |
847 | "ERROR: PPTT: When ARMv8.3-CCIDX is implemented the maximum number " \\r | |
848 | "of sets can be %d. NumberOfSets = %d. Status = %r\n",\r | |
849 | PPTT_ARM_CCIDX_CACHE_NUMBER_OF_SETS_MAX,\r | |
850 | CacheInfoNode->NumberOfSets,\r | |
851 | Status\r | |
852 | ));\r | |
853 | return Status;\r | |
854 | }\r | |
855 | \r | |
856 | if (CacheInfoNode->NumberOfSets > PPTT_ARM_CACHE_NUMBER_OF_SETS_MAX) {\r | |
857 | DEBUG ((\r | |
858 | DEBUG_INFO,\r | |
859 | "INFO: PPTT: When ARMv8.3-CCIDX is not implemented the maximum " \\r | |
860 | "number of sets can be %d. NumberOfSets = %d\n",\r | |
861 | PPTT_ARM_CACHE_NUMBER_OF_SETS_MAX,\r | |
862 | CacheInfoNode->NumberOfSets\r | |
863 | ));\r | |
864 | }\r | |
865 | \r | |
866 | CacheStruct->NumberOfSets = CacheInfoNode->NumberOfSets;\r | |
867 | \r | |
868 | // Validate Associativity field based on maximum associativity\r | |
869 | // supported by ACPI Cache type structure.\r | |
870 | if (CacheInfoNode->Associativity > MAX_UINT8) {\r | |
871 | Status = EFI_INVALID_PARAMETER;\r | |
872 | DEBUG ((\r | |
873 | DEBUG_ERROR,\r | |
874 | "ERROR: PPTT: The maximum associativity supported by ACPI " \\r | |
875 | "Cache type structure is %d. Associativity = %d, Status = %r\n",\r | |
876 | MAX_UINT8,\r | |
877 | CacheInfoNode->Associativity,\r | |
878 | Status\r | |
879 | ));\r | |
880 | return Status;\r | |
881 | }\r | |
882 | \r | |
883 | // Validate the Associativity field based on the architecture specification\r | |
884 | // The architecture supports much larger associativity values than the\r | |
885 | // current ACPI specification.\r | |
886 | // These checks will be needed in the future when the ACPI specification\r | |
887 | // is extended. Disabling this code for now.\r | |
888 | #if 0\r | |
889 | if (CacheInfoNode->Associativity > PPTT_ARM_CCIDX_CACHE_ASSOCIATIVITY_MAX) {\r | |
890 | Status = EFI_INVALID_PARAMETER;\r | |
891 | DEBUG ((\r | |
892 | DEBUG_ERROR,\r | |
893 | "ERROR: PPTT: When ARMv8.3-CCIDX is implemented the maximum cache " \\r | |
894 | "associativity can be %d. Associativity = %d. Status = %r\n",\r | |
895 | PPTT_ARM_CCIDX_CACHE_ASSOCIATIVITY_MAX,\r | |
896 | CacheInfoNode->Associativity,\r | |
897 | Status\r | |
898 | ));\r | |
899 | return Status;\r | |
900 | }\r | |
901 | \r | |
902 | if (CacheInfoNode->Associativity > PPTT_ARM_CACHE_ASSOCIATIVITY_MAX) {\r | |
903 | DEBUG ((\r | |
904 | DEBUG_INFO,\r | |
905 | "INFO: PPTT: When ARMv8.3-CCIDX is not implemented the maximum " \\r | |
906 | "cache associativity can be %d. Associativity = %d\n",\r | |
907 | PPTT_ARM_CACHE_ASSOCIATIVITY_MAX,\r | |
908 | CacheInfoNode->Associativity\r | |
909 | ));\r | |
910 | }\r | |
911 | #endif\r | |
912 | \r | |
913 | // Note a typecast is needed as the maximum associativity\r | |
914 | // supported by ACPI Cache type structure is MAX_UINT8.\r | |
915 | CacheStruct->Associativity = (UINT8)CacheInfoNode->Associativity;\r | |
916 | \r | |
917 | // Populate cache attributes\r | |
918 | CacheStruct->Attributes.AllocationType =\r | |
919 | CacheInfoNode->Attributes & (BIT0 | BIT1);\r | |
920 | CacheStruct->Attributes.CacheType =\r | |
921 | (CacheInfoNode->Attributes & (BIT2 | BIT3)) >> 2;\r | |
922 | CacheStruct->Attributes.WritePolicy =\r | |
923 | (CacheInfoNode->Attributes & BIT4) >> 4;\r | |
924 | CacheStruct->Attributes.Reserved = 0;\r | |
925 | \r | |
926 | // Validate and populate cache line size\r | |
927 | if ((CacheInfoNode->LineSize < PPTT_ARM_CACHE_LINE_SIZE_MIN) ||\r | |
928 | (CacheInfoNode->LineSize > PPTT_ARM_CACHE_LINE_SIZE_MAX)) {\r | |
929 | \r | |
930 | Status = EFI_INVALID_PARAMETER;\r | |
931 | DEBUG ((\r | |
932 | DEBUG_ERROR,\r | |
933 | "ERROR: PPTT: The cache line size must be between %d and %d bytes " \\r | |
934 | "on ARM Platforms. LineSize = %d. Status = %r\n" ,\r | |
935 | PPTT_ARM_CACHE_LINE_SIZE_MIN,\r | |
936 | PPTT_ARM_CACHE_LINE_SIZE_MAX,\r | |
937 | CacheInfoNode->LineSize,\r | |
938 | Status\r | |
939 | ));\r | |
940 | return Status;\r | |
941 | }\r | |
942 | \r | |
943 | if ((CacheInfoNode->LineSize & (CacheInfoNode->LineSize - 1)) != 0) {\r | |
944 | Status = EFI_INVALID_PARAMETER;\r | |
945 | DEBUG ((\r | |
946 | DEBUG_ERROR,\r | |
947 | "ERROR: PPTT: The cache line size is not a power of 2. " \\r | |
948 | "LineSize = %d. Status = %r\n" ,\r | |
949 | CacheInfoNode->LineSize,\r | |
950 | Status\r | |
951 | ));\r | |
952 | return Status;\r | |
953 | }\r | |
954 | \r | |
955 | CacheStruct->LineSize = CacheInfoNode->LineSize;\r | |
956 | \r | |
957 | // Next Cache Type Structure\r | |
958 | CacheStruct = (EFI_ACPI_6_3_PPTT_STRUCTURE_CACHE*)((UINT8*)CacheStruct +\r | |
959 | CacheStruct->Length);\r | |
960 | CacheNodeIterator++;\r | |
961 | } // Cache Type Structure\r | |
962 | \r | |
963 | return EFI_SUCCESS;\r | |
964 | }\r | |
965 | \r | |
966 | /**\r | |
967 | Update the ID Type Structure (Type 2) information.\r | |
968 | \r | |
969 | This function populates the ID Type Structures with information from\r | |
970 | the Configuration Manager and and adds this information to the PPTT table.\r | |
971 | \r | |
972 | @param [in] Generator Pointer to the PPTT Generator.\r | |
973 | @param [in] CfgMgrProtocol Pointer to the Configuration Manager\r | |
974 | Protocol Interface.\r | |
975 | @param [in] Pptt Pointer to PPTT table structure.\r | |
976 | @param [in] NodesStartOffset Offset from the start of PPTT table to the\r | |
977 | start of ID Type Structures.\r | |
978 | \r | |
979 | @retval EFI_SUCCESS Structures updated successfully.\r | |
980 | @retval EFI_INVALID_PARAMETER A parameter is invalid.\r | |
981 | @retval EFI_NOT_FOUND A required object was not found.\r | |
982 | **/\r | |
983 | STATIC\r | |
984 | EFI_STATUS\r | |
985 | AddIdTypeStructures (\r | |
986 | IN CONST ACPI_PPTT_GENERATOR * CONST Generator,\r | |
987 | IN CONST EDKII_CONFIGURATION_MANAGER_PROTOCOL * CONST CfgMgrProtocol,\r | |
988 | IN CONST EFI_ACPI_6_3_PROCESSOR_PROPERTIES_TOPOLOGY_TABLE_HEADER * Pptt,\r | |
989 | IN CONST UINT32 NodesStartOffset\r | |
990 | )\r | |
991 | {\r | |
992 | EFI_ACPI_6_3_PPTT_STRUCTURE_ID * IdStruct;\r | |
993 | CM_ARM_PROC_NODE_ID_INFO * ProcIdInfoNode;\r | |
994 | PPTT_NODE_INDEXER * IdStructIterator;\r | |
995 | UINT32 NodeCount;\r | |
996 | \r | |
997 | \r | |
998 | ASSERT (\r | |
999 | (Generator != NULL) &&\r | |
1000 | (CfgMgrProtocol != NULL) &&\r | |
1001 | (Pptt != NULL)\r | |
1002 | );\r | |
1003 | \r | |
1004 | IdStruct = (EFI_ACPI_6_3_PPTT_STRUCTURE_ID*)((UINT8*)Pptt + NodesStartOffset);\r | |
1005 | \r | |
1006 | IdStructIterator = Generator->IdStructIndexedList;\r | |
1007 | NodeCount = Generator->IdStructCount;\r | |
1008 | while (NodeCount-- != 0) {\r | |
1009 | ProcIdInfoNode = (CM_ARM_PROC_NODE_ID_INFO*)IdStructIterator->Object;\r | |
1010 | \r | |
1011 | // Populate the node\r | |
1012 | IdStruct->Type = EFI_ACPI_6_3_PPTT_TYPE_ID;\r | |
1013 | IdStruct->Length = sizeof (EFI_ACPI_6_3_PPTT_STRUCTURE_ID);\r | |
1014 | IdStruct->Reserved[0] = EFI_ACPI_RESERVED_BYTE;\r | |
1015 | IdStruct->Reserved[1] = EFI_ACPI_RESERVED_BYTE;\r | |
1016 | IdStruct->VendorId = ProcIdInfoNode->VendorId;\r | |
1017 | IdStruct->Level1Id = ProcIdInfoNode->Level1Id;\r | |
1018 | IdStruct->Level2Id = ProcIdInfoNode->Level2Id;\r | |
1019 | IdStruct->MajorRev = ProcIdInfoNode->MajorRev;\r | |
1020 | IdStruct->MinorRev = ProcIdInfoNode->MinorRev;\r | |
1021 | IdStruct->SpinRev = ProcIdInfoNode->SpinRev;\r | |
1022 | \r | |
1023 | // Next ID Type Structure\r | |
1024 | IdStruct = (EFI_ACPI_6_3_PPTT_STRUCTURE_ID*)((UINT8*)IdStruct +\r | |
1025 | IdStruct->Length);\r | |
1026 | IdStructIterator++;\r | |
1027 | } // ID Type Structure\r | |
1028 | \r | |
1029 | return EFI_SUCCESS;\r | |
1030 | }\r | |
1031 | \r | |
1032 | /**\r | |
1033 | Construct the PPTT ACPI table.\r | |
1034 | \r | |
1035 | This function invokes the Configuration Manager protocol interface\r | |
1036 | to get the required hardware information for generating the ACPI\r | |
1037 | table.\r | |
1038 | \r | |
1039 | If this function allocates any resources then they must be freed\r | |
1040 | in the FreeXXXXTableResources function.\r | |
1041 | \r | |
1042 | @param [in] This Pointer to the table generator.\r | |
1043 | @param [in] AcpiTableInfo Pointer to the ACPI table generator to be used.\r | |
1044 | @param [in] CfgMgrProtocol Pointer to the Configuration Manager\r | |
1045 | Protocol Interface.\r | |
1046 | @param [out] Table Pointer to the constructed ACPI Table.\r | |
1047 | \r | |
1048 | @retval EFI_SUCCESS Table generated successfully.\r | |
1049 | @retval EFI_INVALID_PARAMETER A parameter is invalid.\r | |
1050 | @retval EFI_NOT_FOUND The required object was not found.\r | |
1051 | @retval EFI_BAD_BUFFER_SIZE The size returned by the Configuration\r | |
1052 | Manager is less than the Object size for\r | |
1053 | the requested object.\r | |
1054 | **/\r | |
1055 | STATIC\r | |
1056 | EFI_STATUS\r | |
1057 | EFIAPI\r | |
1058 | BuildPpttTable (\r | |
1059 | IN CONST ACPI_TABLE_GENERATOR * CONST This,\r | |
1060 | IN CONST CM_STD_OBJ_ACPI_TABLE_INFO * CONST AcpiTableInfo,\r | |
1061 | IN CONST EDKII_CONFIGURATION_MANAGER_PROTOCOL * CONST CfgMgrProtocol,\r | |
1062 | OUT EFI_ACPI_DESCRIPTION_HEADER ** CONST Table\r | |
1063 | )\r | |
1064 | {\r | |
1065 | EFI_STATUS Status;\r | |
1066 | UINT32 TableSize;\r | |
1067 | UINT32 ProcTopologyStructCount;\r | |
1068 | \r | |
1069 | UINT32 ProcHierarchyNodeOffset;\r | |
1070 | UINT32 CacheStructOffset;\r | |
1071 | UINT32 IdStructOffset;\r | |
1072 | \r | |
1073 | CM_ARM_PROC_HIERARCHY_INFO * ProcHierarchyNodeList;\r | |
1074 | CM_ARM_CACHE_INFO * CacheStructList;\r | |
1075 | CM_ARM_PROC_NODE_ID_INFO * IdStructList;\r | |
1076 | \r | |
1077 | ACPI_PPTT_GENERATOR * Generator;\r | |
1078 | \r | |
1079 | // Pointer to the Node Indexer array\r | |
1080 | PPTT_NODE_INDEXER * NodeIndexer;\r | |
1081 | \r | |
1082 | EFI_ACPI_6_3_PROCESSOR_PROPERTIES_TOPOLOGY_TABLE_HEADER * Pptt;\r | |
1083 | \r | |
1084 | ASSERT (\r | |
1085 | (This != NULL) &&\r | |
1086 | (AcpiTableInfo != NULL) &&\r | |
1087 | (CfgMgrProtocol != NULL) &&\r | |
1088 | (Table != NULL) &&\r | |
1089 | (AcpiTableInfo->TableGeneratorId == This->GeneratorID) &&\r | |
1090 | (AcpiTableInfo->AcpiTableSignature == This->AcpiTableSignature)\r | |
1091 | );\r | |
1092 | \r | |
1093 | if ((AcpiTableInfo->AcpiTableRevision < This->MinAcpiTableRevision) ||\r | |
1094 | (AcpiTableInfo->AcpiTableRevision > This->AcpiTableRevision)) {\r | |
1095 | DEBUG ((\r | |
1096 | DEBUG_ERROR,\r | |
1097 | "ERROR: PPTT: Requested table revision = %d is not supported. "\r | |
1098 | "Supported table revisions: Minimum = %d. Maximum = %d\n",\r | |
1099 | AcpiTableInfo->AcpiTableRevision,\r | |
1100 | This->MinAcpiTableRevision,\r | |
1101 | This->AcpiTableRevision\r | |
1102 | ));\r | |
1103 | return EFI_INVALID_PARAMETER;\r | |
1104 | }\r | |
1105 | \r | |
1106 | Generator = (ACPI_PPTT_GENERATOR*)This;\r | |
1107 | *Table = NULL;\r | |
1108 | \r | |
1109 | // Get the processor hierarchy info and update the processor topology\r | |
1110 | // structure count with Processor Hierarchy Nodes (Type 0)\r | |
1111 | Status = GetEArmObjProcHierarchyInfo (\r | |
1112 | CfgMgrProtocol,\r | |
1113 | CM_NULL_TOKEN,\r | |
1114 | &ProcHierarchyNodeList,\r | |
1115 | &Generator->ProcHierarchyNodeCount\r | |
1116 | );\r | |
1117 | if (EFI_ERROR (Status)) {\r | |
1118 | DEBUG ((\r | |
1119 | DEBUG_ERROR,\r | |
1120 | "ERROR: PPTT: Failed to get processor hierarchy info. Status = %r\n",\r | |
1121 | Status\r | |
1122 | ));\r | |
1123 | goto error_handler;\r | |
1124 | }\r | |
1125 | \r | |
1126 | ProcTopologyStructCount = Generator->ProcHierarchyNodeCount;\r | |
1127 | \r | |
1128 | // Get the cache info and update the processor topology structure count with\r | |
1129 | // Cache Type Structures (Type 1)\r | |
1130 | Status = GetEArmObjCacheInfo (\r | |
1131 | CfgMgrProtocol,\r | |
1132 | CM_NULL_TOKEN,\r | |
1133 | &CacheStructList,\r | |
1134 | &Generator->CacheStructCount\r | |
1135 | );\r | |
1136 | if (EFI_ERROR (Status) && (Status != EFI_NOT_FOUND)) {\r | |
1137 | DEBUG ((\r | |
1138 | DEBUG_ERROR,\r | |
1139 | "ERROR: PPTT: Failed to get cache info. Status = %r\n",\r | |
1140 | Status\r | |
1141 | ));\r | |
1142 | goto error_handler;\r | |
1143 | }\r | |
1144 | \r | |
1145 | ProcTopologyStructCount += Generator->CacheStructCount;\r | |
1146 | \r | |
1147 | // Get the processor hierarchy node ID info and update the processor topology\r | |
1148 | // structure count with ID Structures (Type 2)\r | |
1149 | Status = GetEArmObjProcNodeIdInfo (\r | |
1150 | CfgMgrProtocol,\r | |
1151 | CM_NULL_TOKEN,\r | |
1152 | &IdStructList,\r | |
1153 | &Generator->IdStructCount\r | |
1154 | );\r | |
1155 | if (EFI_ERROR (Status) && (Status != EFI_NOT_FOUND)) {\r | |
1156 | DEBUG ((\r | |
1157 | DEBUG_ERROR,\r | |
1158 | "ERROR: PPTT: Failed to get processor hierarchy node ID info. " \\r | |
1159 | "Status = %r\n",\r | |
1160 | Status\r | |
1161 | ));\r | |
1162 | goto error_handler;\r | |
1163 | }\r | |
1164 | \r | |
1165 | ProcTopologyStructCount += Generator->IdStructCount;\r | |
1166 | \r | |
1167 | // Allocate Node Indexer array\r | |
1168 | NodeIndexer = (PPTT_NODE_INDEXER*)AllocateZeroPool (\r | |
1169 | sizeof (PPTT_NODE_INDEXER) *\r | |
1170 | ProcTopologyStructCount\r | |
1171 | );\r | |
1172 | if (NodeIndexer == NULL) {\r | |
1173 | Status = EFI_OUT_OF_RESOURCES;\r | |
1174 | DEBUG ((\r | |
1175 | DEBUG_ERROR,\r | |
1176 | "ERROR: PPTT: Failed to allocate memory for Node Indexer. Status = %r\n ",\r | |
1177 | Status\r | |
1178 | ));\r | |
1179 | goto error_handler;\r | |
1180 | }\r | |
1181 | \r | |
1182 | DEBUG ((DEBUG_INFO, "INFO: NodeIndexer = %p\n", NodeIndexer));\r | |
1183 | Generator->ProcTopologyStructCount = ProcTopologyStructCount;\r | |
1184 | Generator->NodeIndexer = NodeIndexer;\r | |
1185 | \r | |
1186 | // Calculate the size of the PPTT table\r | |
1187 | TableSize = sizeof (EFI_ACPI_6_3_PROCESSOR_PROPERTIES_TOPOLOGY_TABLE_HEADER);\r | |
1188 | \r | |
1189 | // Include the size of Processor Hierarchy Nodes and index them\r | |
1190 | if (Generator->ProcHierarchyNodeCount != 0) {\r | |
1191 | ProcHierarchyNodeOffset = TableSize;\r | |
1192 | Generator->ProcHierarchyNodeIndexedList = NodeIndexer;\r | |
1193 | TableSize += GetSizeofProcHierarchyNodes (\r | |
1194 | ProcHierarchyNodeOffset,\r | |
1195 | ProcHierarchyNodeList,\r | |
1196 | Generator->ProcHierarchyNodeCount,\r | |
1197 | &NodeIndexer\r | |
1198 | );\r | |
1199 | }\r | |
1200 | \r | |
1201 | // Include the size of Cache Type Structures and index them\r | |
1202 | if (Generator->CacheStructCount != 0) {\r | |
1203 | CacheStructOffset = TableSize;\r | |
1204 | Generator->CacheStructIndexedList = NodeIndexer;\r | |
1205 | TableSize += GetSizeofCacheTypeStructs (\r | |
1206 | CacheStructOffset,\r | |
1207 | CacheStructList,\r | |
1208 | Generator->CacheStructCount,\r | |
1209 | &NodeIndexer\r | |
1210 | );\r | |
1211 | }\r | |
1212 | \r | |
1213 | // Include the size of ID Type Structures and index them\r | |
1214 | if (Generator->IdStructCount != 0) {\r | |
1215 | IdStructOffset = TableSize;\r | |
1216 | Generator->IdStructIndexedList = NodeIndexer;\r | |
1217 | TableSize += GetSizeofIdStructs (\r | |
1218 | IdStructOffset,\r | |
1219 | IdStructList,\r | |
1220 | Generator->IdStructCount,\r | |
1221 | &NodeIndexer\r | |
1222 | );\r | |
1223 | }\r | |
1224 | \r | |
1225 | DEBUG ((\r | |
1226 | DEBUG_INFO,\r | |
1227 | "INFO: PPTT:\n" \\r | |
1228 | " ProcTopologyStructCount = %d\n" \\r | |
1229 | " TableSize = %d\n",\r | |
1230 | ProcTopologyStructCount,\r | |
1231 | TableSize\r | |
1232 | ));\r | |
1233 | \r | |
1234 | DEBUG ((\r | |
1235 | DEBUG_INFO,\r | |
1236 | " ProcHierarchyNodeCount = %d\n" \\r | |
1237 | " ProcHierarchyNodeOffset = 0x%x\n" \\r | |
1238 | " ProcHierarchyNodeIndexedList = 0x%p\n",\r | |
1239 | Generator->ProcHierarchyNodeCount,\r | |
1240 | ProcHierarchyNodeOffset,\r | |
1241 | Generator->ProcHierarchyNodeIndexedList\r | |
1242 | ));\r | |
1243 | \r | |
1244 | DEBUG ((\r | |
1245 | DEBUG_INFO,\r | |
1246 | " CacheStructCount = %d\n" \\r | |
1247 | " CacheStructOffset = 0x%x\n" \\r | |
1248 | " CacheStructIndexedList = 0x%p\n",\r | |
1249 | Generator->CacheStructCount,\r | |
1250 | CacheStructOffset,\r | |
1251 | Generator->CacheStructIndexedList\r | |
1252 | ));\r | |
1253 | \r | |
1254 | DEBUG ((\r | |
1255 | DEBUG_INFO,\r | |
1256 | " IdStructCount = %d\n" \\r | |
1257 | " IdStructOffset = 0x%x\n" \\r | |
1258 | " IdStructIndexedList = 0x%p\n",\r | |
1259 | Generator->IdStructCount,\r | |
1260 | IdStructOffset,\r | |
1261 | Generator->IdStructIndexedList\r | |
1262 | ));\r | |
1263 | \r | |
1264 | // Allocate the Buffer for the PPTT table\r | |
1265 | *Table = (EFI_ACPI_DESCRIPTION_HEADER*)AllocateZeroPool (TableSize);\r | |
1266 | if (*Table == NULL) {\r | |
1267 | Status = EFI_OUT_OF_RESOURCES;\r | |
1268 | DEBUG ((\r | |
1269 | DEBUG_ERROR,\r | |
1270 | "ERROR: PPTT: Failed to allocate memory for PPTT Table. " \\r | |
1271 | "Size = %d. Status = %r\n",\r | |
1272 | TableSize,\r | |
1273 | Status\r | |
1274 | ));\r | |
1275 | goto error_handler;\r | |
1276 | }\r | |
1277 | \r | |
1278 | Pptt = (EFI_ACPI_6_3_PROCESSOR_PROPERTIES_TOPOLOGY_TABLE_HEADER*)*Table;\r | |
1279 | \r | |
1280 | DEBUG ((\r | |
1281 | DEBUG_INFO,\r | |
1282 | "PPTT: Pptt = 0x%p. TableSize = 0x%x\n",\r | |
1283 | Pptt,\r | |
1284 | TableSize\r | |
1285 | ));\r | |
1286 | \r | |
1287 | // Add ACPI header\r | |
1288 | Status = AddAcpiHeader (\r | |
1289 | CfgMgrProtocol,\r | |
1290 | This,\r | |
1291 | &Pptt->Header,\r | |
1292 | AcpiTableInfo,\r | |
1293 | TableSize\r | |
1294 | );\r | |
1295 | if (EFI_ERROR (Status)) {\r | |
1296 | DEBUG ((\r | |
1297 | DEBUG_ERROR,\r | |
1298 | "ERROR: PPTT: Failed to add ACPI header. Status = %r\n",\r | |
1299 | Status\r | |
1300 | ));\r | |
1301 | goto error_handler;\r | |
1302 | }\r | |
1303 | \r | |
1304 | // Add Processor Hierarchy Nodes (Type 0) to the generated table\r | |
1305 | if (Generator->ProcHierarchyNodeCount != 0) {\r | |
1306 | Status = AddProcHierarchyNodes (\r | |
1307 | Generator,\r | |
1308 | CfgMgrProtocol,\r | |
1309 | Pptt,\r | |
1310 | ProcHierarchyNodeOffset\r | |
1311 | );\r | |
1312 | if (EFI_ERROR (Status)) {\r | |
1313 | DEBUG ((\r | |
1314 | DEBUG_ERROR,\r | |
1315 | "ERROR: PPTT: Failed to add Processor Hierarchy Nodes. Status = %r\n",\r | |
1316 | Status\r | |
1317 | ));\r | |
1318 | goto error_handler;\r | |
1319 | }\r | |
1320 | }\r | |
1321 | \r | |
1322 | // Add Cache Type Structures (Type 1) to the generated table\r | |
1323 | if (Generator->CacheStructCount != 0) {\r | |
1324 | Status = AddCacheTypeStructures (\r | |
1325 | Generator,\r | |
1326 | CfgMgrProtocol,\r | |
1327 | Pptt,\r | |
1328 | CacheStructOffset\r | |
1329 | );\r | |
1330 | if (EFI_ERROR (Status)) {\r | |
1331 | DEBUG ((\r | |
1332 | DEBUG_ERROR,\r | |
1333 | "ERROR: PPTT: Failed to add Cache Type Structures. Status = %r\n",\r | |
1334 | Status\r | |
1335 | ));\r | |
1336 | goto error_handler;\r | |
1337 | }\r | |
1338 | }\r | |
1339 | \r | |
1340 | // Add ID Type Structures (Type 2) to the generated table\r | |
1341 | if (Generator->IdStructCount != 0) {\r | |
1342 | Status = AddIdTypeStructures (\r | |
1343 | Generator,\r | |
1344 | CfgMgrProtocol,\r | |
1345 | Pptt,\r | |
1346 | IdStructOffset\r | |
1347 | );\r | |
1348 | if (EFI_ERROR (Status)) {\r | |
1349 | DEBUG ((\r | |
1350 | DEBUG_ERROR,\r | |
1351 | "ERROR: PPTT: Failed to add ID Type Structures. Status = %r\n",\r | |
1352 | Status\r | |
1353 | ));\r | |
1354 | goto error_handler;\r | |
1355 | }\r | |
1356 | }\r | |
1357 | \r | |
1358 | // Validate CM object cross-references in PPTT\r | |
1359 | Status = DetectCyclesInTopology (Generator);\r | |
1360 | if (EFI_ERROR (Status)) {\r | |
1361 | DEBUG ((\r | |
1362 | DEBUG_ERROR,\r | |
1363 | "ERROR: PPTT: Invalid processor and cache topology. Status = %r\n",\r | |
1364 | Status\r | |
1365 | ));\r | |
1366 | goto error_handler;\r | |
1367 | }\r | |
1368 | \r | |
1369 | return Status;\r | |
1370 | \r | |
1371 | error_handler:\r | |
1372 | if (Generator->NodeIndexer != NULL) {\r | |
1373 | FreePool (Generator->NodeIndexer);\r | |
1374 | Generator->NodeIndexer = NULL;\r | |
1375 | }\r | |
1376 | \r | |
1377 | if (*Table != NULL) {\r | |
1378 | FreePool (*Table);\r | |
1379 | *Table = NULL;\r | |
1380 | }\r | |
1381 | \r | |
1382 | return Status;\r | |
1383 | }\r | |
1384 | \r | |
1385 | /**\r | |
1386 | Free any resources allocated for constructing the PPTT\r | |
1387 | \r | |
1388 | @param [in] This Pointer to the table generator.\r | |
1389 | @param [in] AcpiTableInfo Pointer to the ACPI Table Info.\r | |
1390 | @param [in] CfgMgrProtocol Pointer to the Configuration Manager\r | |
1391 | Protocol Interface.\r | |
1392 | @param [in, out] Table Pointer to the ACPI Table.\r | |
1393 | \r | |
1394 | @retval EFI_SUCCESS The resources were freed successfully.\r | |
1395 | @retval EFI_INVALID_PARAMETER The table pointer is NULL or invalid.\r | |
1396 | **/\r | |
1397 | STATIC\r | |
1398 | EFI_STATUS\r | |
1399 | FreePpttTableResources (\r | |
1400 | IN CONST ACPI_TABLE_GENERATOR * CONST This,\r | |
1401 | IN CONST CM_STD_OBJ_ACPI_TABLE_INFO * CONST AcpiTableInfo,\r | |
1402 | IN CONST EDKII_CONFIGURATION_MANAGER_PROTOCOL * CONST CfgMgrProtocol,\r | |
1403 | IN OUT EFI_ACPI_DESCRIPTION_HEADER ** CONST Table\r | |
1404 | )\r | |
1405 | {\r | |
1406 | ACPI_PPTT_GENERATOR * Generator;\r | |
1407 | \r | |
1408 | ASSERT (\r | |
1409 | (This != NULL) &&\r | |
1410 | (AcpiTableInfo != NULL) &&\r | |
1411 | (CfgMgrProtocol != NULL) &&\r | |
1412 | (AcpiTableInfo->TableGeneratorId == This->GeneratorID) &&\r | |
1413 | (AcpiTableInfo->AcpiTableSignature == This->AcpiTableSignature)\r | |
1414 | );\r | |
1415 | \r | |
1416 | Generator = (ACPI_PPTT_GENERATOR*)This;\r | |
1417 | \r | |
1418 | // Free any memory allocated by the generator\r | |
1419 | if (Generator->NodeIndexer != NULL) {\r | |
1420 | FreePool (Generator->NodeIndexer);\r | |
1421 | Generator->NodeIndexer = NULL;\r | |
1422 | }\r | |
1423 | \r | |
1424 | if ((Table == NULL) || (*Table == NULL)) {\r | |
1425 | DEBUG ((DEBUG_ERROR, "ERROR: PPTT: Invalid Table Pointer\n"));\r | |
1426 | ASSERT (\r | |
1427 | (Table != NULL) &&\r | |
1428 | (*Table != NULL)\r | |
1429 | );\r | |
1430 | return EFI_INVALID_PARAMETER;\r | |
1431 | }\r | |
1432 | \r | |
1433 | FreePool (*Table);\r | |
1434 | *Table = NULL;\r | |
1435 | return EFI_SUCCESS;\r | |
1436 | }\r | |
1437 | \r | |
1438 | /** The PPTT Table Generator revision.\r | |
1439 | */\r | |
1440 | #define PPTT_GENERATOR_REVISION CREATE_REVISION (1, 0)\r | |
1441 | \r | |
1442 | /** The interface for the PPTT Table Generator.\r | |
1443 | */\r | |
1444 | STATIC\r | |
1445 | ACPI_PPTT_GENERATOR PpttGenerator = {\r | |
1446 | // ACPI table generator header\r | |
1447 | {\r | |
1448 | // Generator ID\r | |
1449 | CREATE_STD_ACPI_TABLE_GEN_ID (EStdAcpiTableIdPptt),\r | |
1450 | // Generator Description\r | |
1451 | L"ACPI.STD.PPTT.GENERATOR",\r | |
1452 | // ACPI Table Signature\r | |
1453 | EFI_ACPI_6_3_PROCESSOR_PROPERTIES_TOPOLOGY_TABLE_STRUCTURE_SIGNATURE,\r | |
1454 | // ACPI Table Revision supported by this Generator\r | |
1455 | EFI_ACPI_6_3_PROCESSOR_PROPERTIES_TOPOLOGY_TABLE_REVISION,\r | |
1456 | // Minimum supported ACPI Table Revision\r | |
1457 | EFI_ACPI_6_3_PROCESSOR_PROPERTIES_TOPOLOGY_TABLE_REVISION,\r | |
1458 | // Creator ID\r | |
1459 | TABLE_GENERATOR_CREATOR_ID_ARM,\r | |
1460 | // Creator Revision\r | |
1461 | PPTT_GENERATOR_REVISION,\r | |
1462 | // Build Table function\r | |
1463 | BuildPpttTable,\r | |
1464 | // Free Resource function\r | |
1465 | FreePpttTableResources,\r | |
1466 | // Extended build function not needed\r | |
1467 | NULL,\r | |
1468 | // Extended build function not implemented by the generator.\r | |
1469 | // Hence extended free resource function is not required.\r | |
1470 | NULL\r | |
1471 | },\r | |
1472 | \r | |
1473 | // PPTT Generator private data\r | |
1474 | \r | |
1475 | // Processor topology node count\r | |
1476 | 0,\r | |
1477 | // Pointer to PPTT Node Indexer\r | |
1478 | NULL\r | |
1479 | };\r | |
1480 | \r | |
1481 | /**\r | |
1482 | Register the Generator with the ACPI Table Factory.\r | |
1483 | \r | |
1484 | @param [in] ImageHandle The handle to the image.\r | |
1485 | @param [in] SystemTable Pointer to the System Table.\r | |
1486 | \r | |
1487 | @retval EFI_SUCCESS The Generator is registered.\r | |
1488 | @retval EFI_INVALID_PARAMETER A parameter is invalid.\r | |
1489 | @retval EFI_ALREADY_STARTED The Generator for the Table ID\r | |
1490 | is already registered.\r | |
1491 | **/\r | |
1492 | EFI_STATUS\r | |
1493 | EFIAPI\r | |
1494 | AcpiPpttLibConstructor (\r | |
43a0e08d SM |
1495 | IN EFI_HANDLE ImageHandle,\r |
1496 | IN EFI_SYSTEM_TABLE * SystemTable\r | |
77db1156 KK |
1497 | )\r |
1498 | {\r | |
1499 | EFI_STATUS Status;\r | |
1500 | Status = RegisterAcpiTableGenerator (&PpttGenerator.Header);\r | |
1501 | DEBUG ((DEBUG_INFO, "PPTT: Register Generator. Status = %r\n", Status));\r | |
1502 | ASSERT_EFI_ERROR (Status);\r | |
1503 | return Status;\r | |
1504 | }\r | |
1505 | \r | |
1506 | /**\r | |
1507 | Deregister the Generator from the ACPI Table Factory.\r | |
1508 | \r | |
1509 | @param [in] ImageHandle The handle to the image.\r | |
1510 | @param [in] SystemTable Pointer to the System Table.\r | |
1511 | \r | |
1512 | @retval EFI_SUCCESS The Generator is deregistered.\r | |
1513 | @retval EFI_INVALID_PARAMETER A parameter is invalid.\r | |
1514 | @retval EFI_NOT_FOUND The Generator is not registered.\r | |
1515 | **/\r | |
1516 | EFI_STATUS\r | |
1517 | EFIAPI\r | |
1518 | AcpiPpttLibDestructor (\r | |
43a0e08d SM |
1519 | IN EFI_HANDLE ImageHandle,\r |
1520 | IN EFI_SYSTEM_TABLE * SystemTable\r | |
77db1156 KK |
1521 | )\r |
1522 | {\r | |
1523 | EFI_STATUS Status;\r | |
1524 | Status = DeregisterAcpiTableGenerator (&PpttGenerator.Header);\r | |
1525 | DEBUG ((DEBUG_INFO, "PPTT: Deregister Generator. Status = %r\n", Status));\r | |
1526 | ASSERT_EFI_ERROR (Status);\r | |
1527 | return Status;\r | |
1528 | }\r |