ShellPkg: Fix GCC build fail and code refine.
[mirror_edk2.git] / MdeModulePkg / Core / Dxe / Gcd / Gcd.c
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23c98c94 1/** @file\r
2 The file contains the GCD related services in the EFI Boot Services Table.\r
022c6d45 3 The GCD services are used to manage the memory and I/O regions that\r
e94a9ff7 4 are accessible to the CPU that is executing the DXE core.\r
504214c4 5\r
a671a012 6Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR>\r
cd5ebaa0 7This program and the accompanying materials\r
23c98c94 8are licensed and made available under the terms and conditions of the BSD License\r
9which accompanies this distribution. The full text of the license may be found at\r
10http://opensource.org/licenses/bsd-license.php\r
11\r
12THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
13WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
28a00297 14\r
504214c4 15**/\r
28a00297 16\r
9c4ac31c 17#include "DxeMain.h"\r
ec90508b 18#include "Gcd.h"\r
28a00297 19\r
20#define MINIMUM_INITIAL_MEMORY_SIZE 0x10000\r
21\r
22#define MEMORY_ATTRIBUTE_MASK (EFI_RESOURCE_ATTRIBUTE_PRESENT | \\r
23 EFI_RESOURCE_ATTRIBUTE_INITIALIZED | \\r
24 EFI_RESOURCE_ATTRIBUTE_TESTED | \\r
25 EFI_RESOURCE_ATTRIBUTE_READ_PROTECTED | \\r
26 EFI_RESOURCE_ATTRIBUTE_WRITE_PROTECTED | \\r
27 EFI_RESOURCE_ATTRIBUTE_EXECUTION_PROTECTED | \\r
6db13692 28 EFI_RESOURCE_ATTRIBUTE_READ_ONLY_PROTECTED | \\r
28a00297 29 EFI_RESOURCE_ATTRIBUTE_16_BIT_IO | \\r
30 EFI_RESOURCE_ATTRIBUTE_32_BIT_IO | \\r
a671a012
LG
31 EFI_RESOURCE_ATTRIBUTE_64_BIT_IO | \\r
32 EFI_RESOURCE_ATTRIBUTE_PERSISTENT )\r
28a00297 33\r
34#define TESTED_MEMORY_ATTRIBUTES (EFI_RESOURCE_ATTRIBUTE_PRESENT | \\r
35 EFI_RESOURCE_ATTRIBUTE_INITIALIZED | \\r
36 EFI_RESOURCE_ATTRIBUTE_TESTED )\r
37\r
38#define INITIALIZED_MEMORY_ATTRIBUTES (EFI_RESOURCE_ATTRIBUTE_PRESENT | \\r
39 EFI_RESOURCE_ATTRIBUTE_INITIALIZED )\r
40\r
41#define PRESENT_MEMORY_ATTRIBUTES (EFI_RESOURCE_ATTRIBUTE_PRESENT)\r
42\r
43#define INVALID_CPU_ARCH_ATTRIBUTES 0xffffffff\r
44\r
45//\r
46// Module Variables\r
47//\r
48EFI_LOCK mGcdMemorySpaceLock = EFI_INITIALIZE_LOCK_VARIABLE (TPL_NOTIFY);\r
49EFI_LOCK mGcdIoSpaceLock = EFI_INITIALIZE_LOCK_VARIABLE (TPL_NOTIFY);\r
50LIST_ENTRY mGcdMemorySpaceMap = INITIALIZE_LIST_HEAD_VARIABLE (mGcdMemorySpaceMap);\r
51LIST_ENTRY mGcdIoSpaceMap = INITIALIZE_LIST_HEAD_VARIABLE (mGcdIoSpaceMap);\r
52\r
53EFI_GCD_MAP_ENTRY mGcdMemorySpaceMapEntryTemplate = {\r
54 EFI_GCD_MAP_SIGNATURE,\r
022c6d45 55 {\r
e94a9ff7 56 NULL,\r
57 NULL\r
58 },\r
28a00297 59 0,\r
60 0,\r
61 0,\r
62 0,\r
63 EfiGcdMemoryTypeNonExistent,\r
64 (EFI_GCD_IO_TYPE) 0,\r
65 NULL,\r
66 NULL\r
67};\r
68\r
69EFI_GCD_MAP_ENTRY mGcdIoSpaceMapEntryTemplate = {\r
70 EFI_GCD_MAP_SIGNATURE,\r
e94a9ff7 71 {\r
72 NULL,\r
73 NULL\r
74 },\r
28a00297 75 0,\r
76 0,\r
77 0,\r
78 0,\r
79 (EFI_GCD_MEMORY_TYPE) 0,\r
80 EfiGcdIoTypeNonExistent,\r
81 NULL,\r
82 NULL\r
83};\r
84\r
85GCD_ATTRIBUTE_CONVERSION_ENTRY mAttributeConversionTable[] = {\r
74705ca5
SZ
86 { EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE, EFI_MEMORY_UC, TRUE },\r
87 { EFI_RESOURCE_ATTRIBUTE_UNCACHED_EXPORTED, EFI_MEMORY_UCE, TRUE },\r
88 { EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE, EFI_MEMORY_WC, TRUE },\r
89 { EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE, EFI_MEMORY_WT, TRUE },\r
90 { EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE, EFI_MEMORY_WB, TRUE },\r
91 { EFI_RESOURCE_ATTRIBUTE_READ_PROTECTABLE, EFI_MEMORY_RP, TRUE },\r
92 { EFI_RESOURCE_ATTRIBUTE_WRITE_PROTECTABLE, EFI_MEMORY_WP, TRUE },\r
93 { EFI_RESOURCE_ATTRIBUTE_EXECUTION_PROTECTABLE, EFI_MEMORY_XP, TRUE },\r
94 { EFI_RESOURCE_ATTRIBUTE_READ_ONLY_PROTECTABLE, EFI_MEMORY_RO, TRUE },\r
95 { EFI_RESOURCE_ATTRIBUTE_PRESENT, EFI_MEMORY_PRESENT, FALSE },\r
96 { EFI_RESOURCE_ATTRIBUTE_INITIALIZED, EFI_MEMORY_INITIALIZED, FALSE },\r
97 { EFI_RESOURCE_ATTRIBUTE_TESTED, EFI_MEMORY_TESTED, FALSE },\r
98 { EFI_RESOURCE_ATTRIBUTE_PERSISTABLE, EFI_MEMORY_NV, TRUE },\r
99 { EFI_RESOURCE_ATTRIBUTE_MORE_RELIABLE, EFI_MEMORY_MORE_RELIABLE, TRUE },\r
100 { 0, 0, FALSE }\r
28a00297 101};\r
102\r
f9d1f97c 103///\r
104/// Lookup table used to print GCD Memory Space Map\r
105///\r
106GLOBAL_REMOVE_IF_UNREFERENCED CONST CHAR8 *mGcdMemoryTypeNames[] = {\r
107 "NonExist ", // EfiGcdMemoryTypeNonExistent\r
108 "Reserved ", // EfiGcdMemoryTypeReserved\r
109 "SystemMem", // EfiGcdMemoryTypeSystemMemory\r
110 "MMIO ", // EfiGcdMemoryTypeMemoryMappedIo\r
ee50ff41 111 "PersisMem", // EfiGcdMemoryTypePersistentMemory\r
74705ca5 112 "MoreRelia", // EfiGcdMemoryTypeMoreReliable\r
f9d1f97c 113 "Unknown " // EfiGcdMemoryTypeMaximum\r
114};\r
115\r
116///\r
117/// Lookup table used to print GCD I/O Space Map\r
118///\r
119GLOBAL_REMOVE_IF_UNREFERENCED CONST CHAR8 *mGcdIoTypeNames[] = {\r
120 "NonExist", // EfiGcdIoTypeNonExistent\r
121 "Reserved", // EfiGcdIoTypeReserved\r
122 "I/O ", // EfiGcdIoTypeIo\r
123 "Unknown " // EfiGcdIoTypeMaximum \r
124};\r
125\r
126///\r
127/// Lookup table used to print GCD Allocation Types\r
128///\r
129GLOBAL_REMOVE_IF_UNREFERENCED CONST CHAR8 *mGcdAllocationTypeNames[] = {\r
130 "AnySearchBottomUp ", // EfiGcdAllocateAnySearchBottomUp\r
131 "MaxAddressSearchBottomUp ", // EfiGcdAllocateMaxAddressSearchBottomUp\r
132 "AtAddress ", // EfiGcdAllocateAddress\r
133 "AnySearchTopDown ", // EfiGcdAllocateAnySearchTopDown\r
134 "MaxAddressSearchTopDown ", // EfiGcdAllocateMaxAddressSearchTopDown\r
135 "Unknown " // EfiGcdMaxAllocateType\r
136};\r
137\r
138/**\r
139 Dump the entire contents if the GCD Memory Space Map using DEBUG() macros when\r
140 PcdDebugPrintErrorLevel has the DEBUG_GCD bit set.\r
141\r
aa927cae 142 @param InitialMap TRUE if the initial GCD Memory Map is being dumped. Otherwise, FALSE.\r
143 \r
f9d1f97c 144**/\r
145VOID\r
146EFIAPI\r
147CoreDumpGcdMemorySpaceMap (\r
aa927cae 148 BOOLEAN InitialMap\r
f9d1f97c 149 )\r
150{\r
aa927cae 151 DEBUG_CODE (\r
152 EFI_STATUS Status;\r
153 UINTN NumberOfDescriptors;\r
154 EFI_GCD_MEMORY_SPACE_DESCRIPTOR *MemorySpaceMap;\r
155 UINTN Index;\r
156 \r
157 Status = CoreGetMemorySpaceMap (&NumberOfDescriptors, &MemorySpaceMap);\r
3d267c70 158 ASSERT (Status == EFI_SUCCESS && MemorySpaceMap != NULL);\r
aa927cae 159\r
160 if (InitialMap) {\r
161 DEBUG ((DEBUG_GCD, "GCD:Initial GCD Memory Space Map\n"));\r
162 }\r
163 DEBUG ((DEBUG_GCD, "GCDMemType Range Capabilities Attributes \n"));\r
164 DEBUG ((DEBUG_GCD, "========== ================================= ================ ================\n"));\r
165 for (Index = 0; Index < NumberOfDescriptors; Index++) {\r
166 DEBUG ((DEBUG_GCD, "%a %016lx-%016lx %016lx %016lx%c\n", \r
167 mGcdMemoryTypeNames[MIN (MemorySpaceMap[Index].GcdMemoryType, EfiGcdMemoryTypeMaximum)],\r
168 MemorySpaceMap[Index].BaseAddress, \r
169 MemorySpaceMap[Index].BaseAddress + MemorySpaceMap[Index].Length - 1,\r
170 MemorySpaceMap[Index].Capabilities, \r
171 MemorySpaceMap[Index].Attributes,\r
172 MemorySpaceMap[Index].ImageHandle == NULL ? ' ' : '*'\r
173 ));\r
174 }\r
175 DEBUG ((DEBUG_GCD, "\n"));\r
176 FreePool (MemorySpaceMap);\r
177 );\r
f9d1f97c 178}\r
179\r
180/**\r
181 Dump the entire contents if the GCD I/O Space Map using DEBUG() macros when \r
182 PcdDebugPrintErrorLevel has the DEBUG_GCD bit set.\r
183\r
aa927cae 184 @param InitialMap TRUE if the initial GCD I/O Map is being dumped. Otherwise, FALSE.\r
185 \r
f9d1f97c 186**/\r
187VOID\r
188EFIAPI\r
189CoreDumpGcdIoSpaceMap (\r
aa927cae 190 BOOLEAN InitialMap\r
f9d1f97c 191 )\r
192{\r
aa927cae 193 DEBUG_CODE (\r
194 EFI_STATUS Status;\r
195 UINTN NumberOfDescriptors;\r
196 EFI_GCD_IO_SPACE_DESCRIPTOR *IoSpaceMap;\r
197 UINTN Index;\r
198 \r
199 Status = CoreGetIoSpaceMap (&NumberOfDescriptors, &IoSpaceMap);\r
3d267c70 200 ASSERT (Status == EFI_SUCCESS && IoSpaceMap != NULL);\r
aa927cae 201 \r
202 if (InitialMap) {\r
203 DEBUG ((DEBUG_GCD, "GCD:Initial GCD I/O Space Map\n"));\r
204 } \r
205 \r
206 DEBUG ((DEBUG_GCD, "GCDIoType Range \n"));\r
207 DEBUG ((DEBUG_GCD, "========== =================================\n"));\r
208 for (Index = 0; Index < NumberOfDescriptors; Index++) {\r
209 DEBUG ((DEBUG_GCD, "%a %016lx-%016lx%c\n", \r
210 mGcdIoTypeNames[MIN (IoSpaceMap[Index].GcdIoType, EfiGcdIoTypeMaximum)],\r
211 IoSpaceMap[Index].BaseAddress, \r
212 IoSpaceMap[Index].BaseAddress + IoSpaceMap[Index].Length - 1,\r
213 IoSpaceMap[Index].ImageHandle == NULL ? ' ' : '*'\r
214 ));\r
215 }\r
216 DEBUG ((DEBUG_GCD, "\n"));\r
217 FreePool (IoSpaceMap);\r
218 );\r
f9d1f97c 219}\r
220 \r
d12a2ecb 221/**\r
222 Validate resource descriptor HOB's attributes.\r
223\r
224 If Attributes includes some memory resource's settings, it should include \r
225 the corresponding capabilites also.\r
f9d1f97c 226\r
d12a2ecb 227 @param Attributes Resource descriptor HOB attributes.\r
228\r
229**/\r
230VOID\r
231CoreValidateResourceDescriptorHobAttributes (\r
232 IN UINT64 Attributes\r
233 )\r
234{\r
235 ASSERT (((Attributes & EFI_RESOURCE_ATTRIBUTE_READ_PROTECTED) == 0) ||\r
236 ((Attributes & EFI_RESOURCE_ATTRIBUTE_READ_PROTECTABLE) != 0));\r
237 ASSERT (((Attributes & EFI_RESOURCE_ATTRIBUTE_WRITE_PROTECTED) == 0) ||\r
238 ((Attributes & EFI_RESOURCE_ATTRIBUTE_WRITE_PROTECTABLE) != 0));\r
239 ASSERT (((Attributes & EFI_RESOURCE_ATTRIBUTE_EXECUTION_PROTECTED) == 0) ||\r
240 ((Attributes & EFI_RESOURCE_ATTRIBUTE_EXECUTION_PROTECTABLE) != 0));\r
6db13692
SZ
241 ASSERT (((Attributes & EFI_RESOURCE_ATTRIBUTE_READ_ONLY_PROTECTED) == 0) ||\r
242 ((Attributes & EFI_RESOURCE_ATTRIBUTE_READ_ONLY_PROTECTABLE) != 0));\r
a671a012
LG
243 ASSERT (((Attributes & EFI_RESOURCE_ATTRIBUTE_PERSISTENT) == 0) ||\r
244 ((Attributes & EFI_RESOURCE_ATTRIBUTE_PERSISTABLE) != 0));\r
d12a2ecb 245}\r
162ed594 246\r
247/**\r
248 Acquire memory lock on mGcdMemorySpaceLock.\r
249\r
250**/\r
28a00297 251VOID\r
252CoreAcquireGcdMemoryLock (\r
253 VOID\r
254 )\r
28a00297 255{\r
256 CoreAcquireLock (&mGcdMemorySpaceLock);\r
257}\r
258\r
259\r
162ed594 260\r
261/**\r
262 Release memory lock on mGcdMemorySpaceLock.\r
263\r
264**/\r
28a00297 265VOID\r
266CoreReleaseGcdMemoryLock (\r
267 VOID\r
268 )\r
28a00297 269{\r
270 CoreReleaseLock (&mGcdMemorySpaceLock);\r
271}\r
272\r
273\r
162ed594 274\r
275/**\r
276 Acquire memory lock on mGcdIoSpaceLock.\r
277\r
278**/\r
28a00297 279VOID\r
280CoreAcquireGcdIoLock (\r
281 VOID\r
282 )\r
28a00297 283{\r
284 CoreAcquireLock (&mGcdIoSpaceLock);\r
285}\r
286\r
162ed594 287\r
288/**\r
289 Release memory lock on mGcdIoSpaceLock.\r
290\r
291**/\r
28a00297 292VOID\r
293CoreReleaseGcdIoLock (\r
294 VOID\r
295 )\r
28a00297 296{\r
297 CoreReleaseLock (&mGcdIoSpaceLock);\r
298}\r
299\r
300\r
301\r
302//\r
303// GCD Initialization Worker Functions\r
304//\r
162ed594 305/**\r
306 Aligns a value to the specified boundary.\r
307\r
022c6d45 308 @param Value 64 bit value to align\r
309 @param Alignment Log base 2 of the boundary to align Value to\r
310 @param RoundUp TRUE if Value is to be rounded up to the nearest\r
311 aligned boundary. FALSE is Value is to be\r
312 rounded down to the nearest aligned boundary.\r
162ed594 313\r
314 @return A 64 bit value is the aligned to the value nearest Value with an alignment by Alignment.\r
315\r
316**/\r
28a00297 317UINT64\r
318AlignValue (\r
319 IN UINT64 Value,\r
320 IN UINTN Alignment,\r
321 IN BOOLEAN RoundUp\r
322 )\r
28a00297 323{\r
324 UINT64 AlignmentMask;\r
325\r
326 AlignmentMask = LShiftU64 (1, Alignment) - 1;\r
327 if (RoundUp) {\r
328 Value += AlignmentMask;\r
329 }\r
330 return Value & (~AlignmentMask);\r
331}\r
332\r
28a00297 333\r
162ed594 334/**\r
28a00297 335 Aligns address to the page boundary.\r
336\r
022c6d45 337 @param Value 64 bit address to align\r
28a00297 338\r
162ed594 339 @return A 64 bit value is the aligned to the value nearest Value with an alignment by Alignment.\r
28a00297 340\r
162ed594 341**/\r
28a00297 342UINT64\r
162ed594 343PageAlignAddress (\r
28a00297 344 IN UINT64 Value\r
345 )\r
162ed594 346{\r
347 return AlignValue (Value, EFI_PAGE_SHIFT, TRUE);\r
348}\r
28a00297 349\r
28a00297 350\r
162ed594 351/**\r
28a00297 352 Aligns length to the page boundary.\r
353\r
022c6d45 354 @param Value 64 bit length to align\r
28a00297 355\r
162ed594 356 @return A 64 bit value is the aligned to the value nearest Value with an alignment by Alignment.\r
28a00297 357\r
162ed594 358**/\r
162ed594 359UINT64\r
360PageAlignLength (\r
361 IN UINT64 Value\r
362 )\r
28a00297 363{\r
364 return AlignValue (Value, EFI_PAGE_SHIFT, FALSE);\r
365}\r
366\r
367//\r
368// GCD Memory Space Worker Functions\r
369//\r
162ed594 370\r
371/**\r
372 Allocate pool for two entries.\r
373\r
022c6d45 374 @param TopEntry An entry of GCD map\r
375 @param BottomEntry An entry of GCD map\r
162ed594 376\r
022c6d45 377 @retval EFI_OUT_OF_RESOURCES No enough buffer to be allocated.\r
162ed594 378 @retval EFI_SUCCESS Both entries successfully allocated.\r
379\r
380**/\r
28a00297 381EFI_STATUS\r
382CoreAllocateGcdMapEntry (\r
383 IN OUT EFI_GCD_MAP_ENTRY **TopEntry,\r
384 IN OUT EFI_GCD_MAP_ENTRY **BottomEntry\r
385 )\r
28a00297 386{\r
9c4ac31c 387 *TopEntry = AllocateZeroPool (sizeof (EFI_GCD_MAP_ENTRY));\r
28a00297 388 if (*TopEntry == NULL) {\r
389 return EFI_OUT_OF_RESOURCES;\r
390 }\r
391\r
9c4ac31c 392 *BottomEntry = AllocateZeroPool (sizeof (EFI_GCD_MAP_ENTRY));\r
28a00297 393 if (*BottomEntry == NULL) {\r
394 CoreFreePool (*TopEntry);\r
395 return EFI_OUT_OF_RESOURCES;\r
396 }\r
397\r
398 return EFI_SUCCESS;\r
399}\r
400\r
162ed594 401\r
402/**\r
403 Internal function. Inserts a new descriptor into a sorted list\r
404\r
022c6d45 405 @param Link The linked list to insert the range BaseAddress\r
406 and Length into\r
407 @param Entry A pointer to the entry that is inserted\r
408 @param BaseAddress The base address of the new range\r
409 @param Length The length of the new range in bytes\r
410 @param TopEntry Top pad entry to insert if needed.\r
411 @param BottomEntry Bottom pad entry to insert if needed.\r
162ed594 412\r
413 @retval EFI_SUCCESS The new range was inserted into the linked list\r
414\r
415**/\r
28a00297 416EFI_STATUS\r
417CoreInsertGcdMapEntry (\r
418 IN LIST_ENTRY *Link,\r
419 IN EFI_GCD_MAP_ENTRY *Entry,\r
420 IN EFI_PHYSICAL_ADDRESS BaseAddress,\r
421 IN UINT64 Length,\r
422 IN EFI_GCD_MAP_ENTRY *TopEntry,\r
423 IN EFI_GCD_MAP_ENTRY *BottomEntry\r
424 )\r
28a00297 425{\r
426 ASSERT (Length != 0);\r
28a00297 427\r
428 if (BaseAddress > Entry->BaseAddress) {\r
f75316c3 429 ASSERT (BottomEntry->Signature == 0);\r
430\r
28a00297 431 CopyMem (BottomEntry, Entry, sizeof (EFI_GCD_MAP_ENTRY));\r
432 Entry->BaseAddress = BaseAddress;\r
433 BottomEntry->EndAddress = BaseAddress - 1;\r
434 InsertTailList (Link, &BottomEntry->Link);\r
022c6d45 435 }\r
28a00297 436\r
437 if ((BaseAddress + Length - 1) < Entry->EndAddress) {\r
f75316c3 438 ASSERT (TopEntry->Signature == 0);\r
439\r
28a00297 440 CopyMem (TopEntry, Entry, sizeof (EFI_GCD_MAP_ENTRY));\r
441 TopEntry->BaseAddress = BaseAddress + Length;\r
442 Entry->EndAddress = BaseAddress + Length - 1;\r
443 InsertHeadList (Link, &TopEntry->Link);\r
444 }\r
445\r
446 return EFI_SUCCESS;\r
447}\r
448\r
162ed594 449\r
450/**\r
e94a9ff7 451 Merge the Gcd region specified by Link and its adjacent entry.\r
162ed594 452\r
022c6d45 453 @param Link Specify the entry to be merged (with its\r
454 adjacent entry).\r
455 @param Forward Direction (forward or backward).\r
456 @param Map Boundary.\r
162ed594 457\r
022c6d45 458 @retval EFI_SUCCESS Successfully returned.\r
162ed594 459 @retval EFI_UNSUPPORTED These adjacent regions could not merge.\r
460\r
461**/\r
28a00297 462EFI_STATUS\r
463CoreMergeGcdMapEntry (\r
464 IN LIST_ENTRY *Link,\r
465 IN BOOLEAN Forward,\r
466 IN LIST_ENTRY *Map\r
467 )\r
28a00297 468{\r
469 LIST_ENTRY *AdjacentLink;\r
470 EFI_GCD_MAP_ENTRY *Entry;\r
471 EFI_GCD_MAP_ENTRY *AdjacentEntry;\r
472\r
473 //\r
474 // Get adjacent entry\r
475 //\r
476 if (Forward) {\r
477 AdjacentLink = Link->ForwardLink;\r
478 } else {\r
479 AdjacentLink = Link->BackLink;\r
480 }\r
481\r
482 //\r
483 // If AdjacentLink is the head of the list, then no merge can be performed\r
484 //\r
485 if (AdjacentLink == Map) {\r
486 return EFI_SUCCESS;\r
487 }\r
488\r
489 Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r
490 AdjacentEntry = CR (AdjacentLink, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r
491\r
492 if (Entry->Capabilities != AdjacentEntry->Capabilities) {\r
493 return EFI_UNSUPPORTED;\r
494 }\r
495 if (Entry->Attributes != AdjacentEntry->Attributes) {\r
496 return EFI_UNSUPPORTED;\r
497 }\r
498 if (Entry->GcdMemoryType != AdjacentEntry->GcdMemoryType) {\r
499 return EFI_UNSUPPORTED;\r
500 }\r
501 if (Entry->GcdIoType != AdjacentEntry->GcdIoType) {\r
502 return EFI_UNSUPPORTED;\r
503 }\r
504 if (Entry->ImageHandle != AdjacentEntry->ImageHandle) {\r
505 return EFI_UNSUPPORTED;\r
506 }\r
507 if (Entry->DeviceHandle != AdjacentEntry->DeviceHandle) {\r
508 return EFI_UNSUPPORTED;\r
509 }\r
510\r
511 if (Forward) {\r
512 Entry->EndAddress = AdjacentEntry->EndAddress;\r
513 } else {\r
514 Entry->BaseAddress = AdjacentEntry->BaseAddress;\r
515 }\r
516 RemoveEntryList (AdjacentLink);\r
517 CoreFreePool (AdjacentEntry);\r
518\r
519 return EFI_SUCCESS;\r
520}\r
521\r
162ed594 522\r
523/**\r
524 Merge adjacent entries on total chain.\r
525\r
022c6d45 526 @param TopEntry Top entry of GCD map.\r
527 @param BottomEntry Bottom entry of GCD map.\r
528 @param StartLink Start link of the list for this loop.\r
529 @param EndLink End link of the list for this loop.\r
530 @param Map Boundary.\r
162ed594 531\r
532 @retval EFI_SUCCESS GCD map successfully cleaned up.\r
533\r
534**/\r
28a00297 535EFI_STATUS\r
536CoreCleanupGcdMapEntry (\r
537 IN EFI_GCD_MAP_ENTRY *TopEntry,\r
538 IN EFI_GCD_MAP_ENTRY *BottomEntry,\r
539 IN LIST_ENTRY *StartLink,\r
540 IN LIST_ENTRY *EndLink,\r
541 IN LIST_ENTRY *Map\r
542 )\r
28a00297 543{\r
544 LIST_ENTRY *Link;\r
545\r
546 if (TopEntry->Signature == 0) {\r
547 CoreFreePool (TopEntry);\r
548 }\r
549 if (BottomEntry->Signature == 0) {\r
550 CoreFreePool (BottomEntry);\r
551 }\r
552\r
553 Link = StartLink;\r
554 while (Link != EndLink->ForwardLink) {\r
555 CoreMergeGcdMapEntry (Link, FALSE, Map);\r
556 Link = Link->ForwardLink;\r
557 }\r
558 CoreMergeGcdMapEntry (EndLink, TRUE, Map);\r
559\r
560 return EFI_SUCCESS;\r
561}\r
562\r
162ed594 563\r
564/**\r
565 Search a segment of memory space in GCD map. The result is a range of GCD entry list.\r
566\r
022c6d45 567 @param BaseAddress The start address of the segment.\r
568 @param Length The length of the segment.\r
569 @param StartLink The first GCD entry involves this segment of\r
570 memory space.\r
571 @param EndLink The first GCD entry involves this segment of\r
572 memory space.\r
573 @param Map Points to the start entry to search.\r
162ed594 574\r
022c6d45 575 @retval EFI_SUCCESS Successfully found the entry.\r
162ed594 576 @retval EFI_NOT_FOUND Not found.\r
577\r
578**/\r
28a00297 579EFI_STATUS\r
580CoreSearchGcdMapEntry (\r
581 IN EFI_PHYSICAL_ADDRESS BaseAddress,\r
582 IN UINT64 Length,\r
583 OUT LIST_ENTRY **StartLink,\r
584 OUT LIST_ENTRY **EndLink,\r
585 IN LIST_ENTRY *Map\r
586 )\r
28a00297 587{\r
588 LIST_ENTRY *Link;\r
589 EFI_GCD_MAP_ENTRY *Entry;\r
590\r
591 ASSERT (Length != 0);\r
592\r
593 *StartLink = NULL;\r
594 *EndLink = NULL;\r
595\r
596 Link = Map->ForwardLink;\r
597 while (Link != Map) {\r
598 Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r
599 if (BaseAddress >= Entry->BaseAddress && BaseAddress <= Entry->EndAddress) {\r
600 *StartLink = Link;\r
601 }\r
602 if (*StartLink != NULL) {\r
022c6d45 603 if ((BaseAddress + Length - 1) >= Entry->BaseAddress &&\r
28a00297 604 (BaseAddress + Length - 1) <= Entry->EndAddress ) {\r
605 *EndLink = Link;\r
606 return EFI_SUCCESS;\r
607 }\r
608 }\r
609 Link = Link->ForwardLink;\r
610 }\r
e94a9ff7 611\r
28a00297 612 return EFI_NOT_FOUND;\r
613}\r
614\r
28a00297 615\r
162ed594 616/**\r
28a00297 617 Count the amount of GCD map entries.\r
618\r
022c6d45 619 @param Map Points to the start entry to do the count loop.\r
28a00297 620\r
162ed594 621 @return The count.\r
28a00297 622\r
162ed594 623**/\r
162ed594 624UINTN\r
625CoreCountGcdMapEntry (\r
626 IN LIST_ENTRY *Map\r
627 )\r
28a00297 628{\r
629 UINTN Count;\r
630 LIST_ENTRY *Link;\r
631\r
632 Count = 0;\r
633 Link = Map->ForwardLink;\r
634 while (Link != Map) {\r
635 Count++;\r
636 Link = Link->ForwardLink;\r
637 }\r
022c6d45 638\r
28a00297 639 return Count;\r
640}\r
641\r
642\r
28a00297 643\r
162ed594 644/**\r
28a00297 645 Return the memory attribute specified by Attributes\r
646\r
022c6d45 647 @param Attributes A num with some attribute bits on.\r
28a00297 648\r
162ed594 649 @return The enum value of memory attribute.\r
28a00297 650\r
162ed594 651**/\r
162ed594 652UINT64\r
653ConverToCpuArchAttributes (\r
654 UINT64 Attributes\r
23c98c94 655 )\r
28a00297 656{\r
657 if ( (Attributes & EFI_MEMORY_UC) == EFI_MEMORY_UC) {\r
658 return EFI_MEMORY_UC;\r
659 }\r
660\r
661 if ( (Attributes & EFI_MEMORY_WC ) == EFI_MEMORY_WC) {\r
662 return EFI_MEMORY_WC;\r
663 }\r
664\r
665 if ( (Attributes & EFI_MEMORY_WT ) == EFI_MEMORY_WT) {\r
666 return EFI_MEMORY_WT;\r
667 }\r
668\r
669 if ( (Attributes & EFI_MEMORY_WB) == EFI_MEMORY_WB) {\r
670 return EFI_MEMORY_WB;\r
671 }\r
672\r
673 if ( (Attributes & EFI_MEMORY_WP) == EFI_MEMORY_WP) {\r
674 return EFI_MEMORY_WP;\r
675 }\r
676\r
677 return INVALID_CPU_ARCH_ATTRIBUTES;\r
678\r
679}\r
680\r
162ed594 681\r
682/**\r
683 Do operation on a segment of memory space specified (add, free, remove, change attribute ...).\r
684\r
022c6d45 685 @param Operation The type of the operation\r
686 @param GcdMemoryType Additional information for the operation\r
687 @param GcdIoType Additional information for the operation\r
688 @param BaseAddress Start address of the segment\r
689 @param Length length of the segment\r
690 @param Capabilities The alterable attributes of a newly added entry\r
691 @param Attributes The attributes needs to be set\r
692\r
693 @retval EFI_INVALID_PARAMETER Length is 0 or address (length) not aligned when\r
694 setting attribute.\r
695 @retval EFI_SUCCESS Action successfully done.\r
696 @retval EFI_UNSUPPORTED Could not find the proper descriptor on this\r
697 segment or set an upsupported attribute.\r
698 @retval EFI_ACCESS_DENIED Operate on an space non-exist or is used for an\r
699 image.\r
700 @retval EFI_NOT_FOUND Free a non-using space or remove a non-exist\r
701 space, and so on.\r
162ed594 702 @retval EFI_OUT_OF_RESOURCES No buffer could be allocated.\r
fc8ff20f 703 @retval EFI_NOT_AVAILABLE_YET The attributes cannot be set because CPU architectural protocol\r
704 is not available yet.\r
162ed594 705**/\r
28a00297 706EFI_STATUS\r
707CoreConvertSpace (\r
708 IN UINTN Operation,\r
709 IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r
710 IN EFI_GCD_IO_TYPE GcdIoType,\r
711 IN EFI_PHYSICAL_ADDRESS BaseAddress,\r
712 IN UINT64 Length,\r
713 IN UINT64 Capabilities,\r
714 IN UINT64 Attributes\r
715 )\r
28a00297 716{\r
717 EFI_STATUS Status;\r
718 LIST_ENTRY *Map;\r
719 LIST_ENTRY *Link;\r
720 EFI_GCD_MAP_ENTRY *Entry;\r
721 EFI_GCD_MAP_ENTRY *TopEntry;\r
722 EFI_GCD_MAP_ENTRY *BottomEntry;\r
723 LIST_ENTRY *StartLink;\r
724 LIST_ENTRY *EndLink;\r
f9d1f97c 725 UINT64 CpuArchAttributes;\r
28a00297 726\r
727 if (Length == 0) {\r
aa927cae 728 DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r
28a00297 729 return EFI_INVALID_PARAMETER;\r
730 }\r
731\r
732 Map = NULL;\r
71f68914 733 if ((Operation & GCD_MEMORY_SPACE_OPERATION) != 0) {\r
28a00297 734 CoreAcquireGcdMemoryLock ();\r
735 Map = &mGcdMemorySpaceMap;\r
fbbb4211 736 } else if ((Operation & GCD_IO_SPACE_OPERATION) != 0) {\r
28a00297 737 CoreAcquireGcdIoLock ();\r
738 Map = &mGcdIoSpaceMap;\r
fbbb4211 739 } else {\r
740 ASSERT (FALSE);\r
28a00297 741 }\r
742\r
743 //\r
744 // Search for the list of descriptors that cover the range BaseAddress to BaseAddress+Length\r
745 //\r
746 Status = CoreSearchGcdMapEntry (BaseAddress, Length, &StartLink, &EndLink, Map);\r
747 if (EFI_ERROR (Status)) {\r
748 Status = EFI_UNSUPPORTED;\r
749\r
750 goto Done;\r
751 }\r
d2fbaaab 752 ASSERT (StartLink != NULL && EndLink != NULL);\r
28a00297 753\r
754 //\r
755 // Verify that the list of descriptors are unallocated non-existent memory.\r
756 //\r
757 Link = StartLink;\r
758 while (Link != EndLink->ForwardLink) {\r
759 Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r
760 switch (Operation) {\r
761 //\r
762 // Add operations\r
763 //\r
764 case GCD_ADD_MEMORY_OPERATION:\r
765 if (Entry->GcdMemoryType != EfiGcdMemoryTypeNonExistent ||\r
766 Entry->ImageHandle != NULL ) {\r
767 Status = EFI_ACCESS_DENIED;\r
768 goto Done;\r
769 }\r
770 break;\r
771 case GCD_ADD_IO_OPERATION:\r
772 if (Entry->GcdIoType != EfiGcdIoTypeNonExistent ||\r
773 Entry->ImageHandle != NULL ) {\r
774 Status = EFI_ACCESS_DENIED;\r
775 goto Done;\r
776 }\r
777 break;\r
778 //\r
779 // Free operations\r
780 //\r
781 case GCD_FREE_MEMORY_OPERATION:\r
782 case GCD_FREE_IO_OPERATION:\r
783 if (Entry->ImageHandle == NULL) {\r
784 Status = EFI_NOT_FOUND;\r
785 goto Done;\r
786 }\r
787 break;\r
788 //\r
789 // Remove operations\r
790 //\r
791 case GCD_REMOVE_MEMORY_OPERATION:\r
792 if (Entry->GcdMemoryType == EfiGcdMemoryTypeNonExistent) {\r
793 Status = EFI_NOT_FOUND;\r
794 goto Done;\r
795 }\r
796 if (Entry->ImageHandle != NULL) {\r
797 Status = EFI_ACCESS_DENIED;\r
798 goto Done;\r
799 }\r
800 break;\r
801 case GCD_REMOVE_IO_OPERATION:\r
802 if (Entry->GcdIoType == EfiGcdIoTypeNonExistent) {\r
803 Status = EFI_NOT_FOUND;\r
804 goto Done;\r
805 }\r
806 if (Entry->ImageHandle != NULL) {\r
807 Status = EFI_ACCESS_DENIED;\r
808 goto Done;\r
809 }\r
810 break;\r
811 //\r
771ee501 812 // Set attributes operation\r
28a00297 813 //\r
814 case GCD_SET_ATTRIBUTES_MEMORY_OPERATION:\r
71f68914 815 if ((Attributes & EFI_MEMORY_RUNTIME) != 0) {\r
28a00297 816 if ((BaseAddress & EFI_PAGE_MASK) != 0 || (Length & EFI_PAGE_MASK) != 0) {\r
817 Status = EFI_INVALID_PARAMETER;\r
28a00297 818 goto Done;\r
819 }\r
820 }\r
821 if ((Entry->Capabilities & Attributes) != Attributes) {\r
822 Status = EFI_UNSUPPORTED;\r
823 goto Done;\r
824 }\r
825 break;\r
736a692e
HT
826 //\r
827 // Set capabilities operation\r
828 //\r
829 case GCD_SET_CAPABILITIES_MEMORY_OPERATION:\r
830 if ((BaseAddress & EFI_PAGE_MASK) != 0 || (Length & EFI_PAGE_MASK) != 0) {\r
831 Status = EFI_INVALID_PARAMETER;\r
832\r
833 goto Done;\r
771ee501 834 }\r
736a692e 835 //\r
771ee501 836 // Current attributes must still be supported with new capabilities\r
736a692e
HT
837 //\r
838 if ((Capabilities & Entry->Attributes) != Entry->Attributes) {\r
839 Status = EFI_UNSUPPORTED;\r
840 goto Done;\r
841 }\r
771ee501 842 break;\r
28a00297 843 }\r
844 Link = Link->ForwardLink;\r
845 }\r
846\r
847 //\r
848 // Allocate work space to perform this operation\r
849 //\r
850 Status = CoreAllocateGcdMapEntry (&TopEntry, &BottomEntry);\r
851 if (EFI_ERROR (Status)) {\r
852 Status = EFI_OUT_OF_RESOURCES;\r
853 goto Done;\r
854 }\r
d2fbaaab 855 ASSERT (TopEntry != NULL && BottomEntry != NULL);\r
28a00297 856\r
28a00297 857 if (Operation == GCD_SET_ATTRIBUTES_MEMORY_OPERATION) {\r
858 //\r
859 // Call CPU Arch Protocol to attempt to set attributes on the range\r
860 //\r
861 CpuArchAttributes = ConverToCpuArchAttributes (Attributes);\r
f9d1f97c 862 if (CpuArchAttributes != INVALID_CPU_ARCH_ATTRIBUTES) {\r
fc8ff20f 863 if (gCpu == NULL) {\r
864 Status = EFI_NOT_AVAILABLE_YET;\r
865 } else {\r
f9d1f97c 866 Status = gCpu->SetMemoryAttributes (\r
867 gCpu,\r
868 BaseAddress,\r
869 Length,\r
870 CpuArchAttributes\r
871 );\r
fc8ff20f 872 }\r
873 if (EFI_ERROR (Status)) {\r
874 CoreFreePool (TopEntry);\r
875 CoreFreePool (BottomEntry);\r
876 goto Done;\r
28a00297 877 }\r
878 }\r
28a00297 879 }\r
880\r
881 //\r
882 // Convert/Insert the list of descriptors from StartLink to EndLink\r
883 //\r
884 Link = StartLink;\r
885 while (Link != EndLink->ForwardLink) {\r
886 Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r
887 CoreInsertGcdMapEntry (Link, Entry, BaseAddress, Length, TopEntry, BottomEntry);\r
888 switch (Operation) {\r
889 //\r
890 // Add operations\r
891 //\r
892 case GCD_ADD_MEMORY_OPERATION:\r
893 Entry->GcdMemoryType = GcdMemoryType;\r
894 if (GcdMemoryType == EfiGcdMemoryTypeMemoryMappedIo) {\r
895 Entry->Capabilities = Capabilities | EFI_MEMORY_RUNTIME | EFI_MEMORY_PORT_IO;\r
896 } else {\r
897 Entry->Capabilities = Capabilities | EFI_MEMORY_RUNTIME;\r
898 }\r
899 break;\r
900 case GCD_ADD_IO_OPERATION:\r
901 Entry->GcdIoType = GcdIoType;\r
902 break;\r
903 //\r
904 // Free operations\r
905 //\r
906 case GCD_FREE_MEMORY_OPERATION:\r
907 case GCD_FREE_IO_OPERATION:\r
908 Entry->ImageHandle = NULL;\r
909 Entry->DeviceHandle = NULL;\r
910 break;\r
911 //\r
912 // Remove operations\r
913 //\r
914 case GCD_REMOVE_MEMORY_OPERATION:\r
915 Entry->GcdMemoryType = EfiGcdMemoryTypeNonExistent;\r
916 Entry->Capabilities = 0;\r
917 break;\r
918 case GCD_REMOVE_IO_OPERATION:\r
919 Entry->GcdIoType = EfiGcdIoTypeNonExistent;\r
920 break;\r
921 //\r
771ee501 922 // Set attributes operation\r
28a00297 923 //\r
924 case GCD_SET_ATTRIBUTES_MEMORY_OPERATION:\r
925 Entry->Attributes = Attributes;\r
926 break;\r
771ee501
EC
927 //\r
928 // Set capabilities operation\r
929 //\r
736a692e
HT
930 case GCD_SET_CAPABILITIES_MEMORY_OPERATION:\r
931 Entry->Capabilities = Capabilities;\r
771ee501 932 break;\r
28a00297 933 }\r
934 Link = Link->ForwardLink;\r
935 }\r
936\r
937 //\r
938 // Cleanup\r
939 //\r
940 Status = CoreCleanupGcdMapEntry (TopEntry, BottomEntry, StartLink, EndLink, Map);\r
941\r
942Done:\r
aa927cae 943 DEBUG ((DEBUG_GCD, " Status = %r\n", Status));\r
f9d1f97c 944\r
71f68914 945 if ((Operation & GCD_MEMORY_SPACE_OPERATION) != 0) {\r
28a00297 946 CoreReleaseGcdMemoryLock ();\r
aa927cae 947 CoreDumpGcdMemorySpaceMap (FALSE);\r
28a00297 948 }\r
71f68914 949 if ((Operation & GCD_IO_SPACE_OPERATION) != 0) {\r
28a00297 950 CoreReleaseGcdIoLock ();\r
aa927cae 951 CoreDumpGcdIoSpaceMap (FALSE);\r
28a00297 952 }\r
953\r
954 return Status;\r
955}\r
956\r
162ed594 957\r
958/**\r
959 Check whether an entry could be used to allocate space.\r
960\r
022c6d45 961 @param Operation Allocate memory or IO\r
962 @param Entry The entry to be tested\r
963 @param GcdMemoryType The desired memory type\r
964 @param GcdIoType The desired IO type\r
162ed594 965\r
022c6d45 966 @retval EFI_NOT_FOUND The memory type does not match or there's an\r
967 image handle on the entry.\r
968 @retval EFI_UNSUPPORTED The operation unsupported.\r
969 @retval EFI_SUCCESS It's ok for this entry to be used to allocate\r
162ed594 970 space.\r
971\r
972**/\r
28a00297 973EFI_STATUS\r
974CoreAllocateSpaceCheckEntry (\r
975 IN UINTN Operation,\r
976 IN EFI_GCD_MAP_ENTRY *Entry,\r
977 IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r
978 IN EFI_GCD_IO_TYPE GcdIoType\r
979 )\r
28a00297 980{\r
981 if (Entry->ImageHandle != NULL) {\r
982 return EFI_NOT_FOUND;\r
983 }\r
984 switch (Operation) {\r
985 case GCD_ALLOCATE_MEMORY_OPERATION:\r
986 if (Entry->GcdMemoryType != GcdMemoryType) {\r
987 return EFI_NOT_FOUND;\r
988 }\r
989 break;\r
990 case GCD_ALLOCATE_IO_OPERATION:\r
991 if (Entry->GcdIoType != GcdIoType) {\r
992 return EFI_NOT_FOUND;\r
993 }\r
994 break;\r
995 default:\r
996 return EFI_UNSUPPORTED;\r
997 }\r
998 return EFI_SUCCESS;\r
999}\r
1000\r
162ed594 1001\r
1002/**\r
1003 Allocate space on specified address and length.\r
1004\r
022c6d45 1005 @param Operation The type of operation (memory or IO)\r
1006 @param GcdAllocateType The type of allocate operation\r
1007 @param GcdMemoryType The desired memory type\r
1008 @param GcdIoType The desired IO type\r
1009 @param Alignment Align with 2^Alignment\r
1010 @param Length Length to allocate\r
1011 @param BaseAddress Base address to allocate\r
1012 @param ImageHandle The image handle consume the allocated space.\r
1013 @param DeviceHandle The device handle consume the allocated space.\r
1014\r
1015 @retval EFI_INVALID_PARAMETER Invalid parameter.\r
1016 @retval EFI_NOT_FOUND No descriptor for the desired space exists.\r
162ed594 1017 @retval EFI_SUCCESS Space successfully allocated.\r
1018\r
1019**/\r
28a00297 1020EFI_STATUS\r
1021CoreAllocateSpace (\r
1022 IN UINTN Operation,\r
1023 IN EFI_GCD_ALLOCATE_TYPE GcdAllocateType,\r
1024 IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r
1025 IN EFI_GCD_IO_TYPE GcdIoType,\r
1026 IN UINTN Alignment,\r
1027 IN UINT64 Length,\r
1028 IN OUT EFI_PHYSICAL_ADDRESS *BaseAddress,\r
1029 IN EFI_HANDLE ImageHandle,\r
1030 IN EFI_HANDLE DeviceHandle OPTIONAL\r
1031 )\r
28a00297 1032{\r
1033 EFI_STATUS Status;\r
1034 EFI_PHYSICAL_ADDRESS AlignmentMask;\r
1035 EFI_PHYSICAL_ADDRESS MaxAddress;\r
1036 LIST_ENTRY *Map;\r
1037 LIST_ENTRY *Link;\r
1038 LIST_ENTRY *SubLink;\r
1039 EFI_GCD_MAP_ENTRY *Entry;\r
1040 EFI_GCD_MAP_ENTRY *TopEntry;\r
1041 EFI_GCD_MAP_ENTRY *BottomEntry;\r
1042 LIST_ENTRY *StartLink;\r
1043 LIST_ENTRY *EndLink;\r
1044 BOOLEAN Found;\r
1045\r
1046 //\r
1047 // Make sure parameters are valid\r
1048 //\r
3d78c020 1049 if ((UINT32)GcdAllocateType >= EfiGcdMaxAllocateType) {\r
aa927cae 1050 DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r
28a00297 1051 return EFI_INVALID_PARAMETER;\r
1052 }\r
3d78c020 1053 if ((UINT32)GcdMemoryType >= EfiGcdMemoryTypeMaximum) {\r
aa927cae 1054 DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r
28a00297 1055 return EFI_INVALID_PARAMETER;\r
1056 }\r
3d78c020 1057 if ((UINT32)GcdIoType >= EfiGcdIoTypeMaximum) {\r
aa927cae 1058 DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r
28a00297 1059 return EFI_INVALID_PARAMETER;\r
1060 }\r
1061 if (BaseAddress == NULL) {\r
aa927cae 1062 DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r
28a00297 1063 return EFI_INVALID_PARAMETER;\r
1064 }\r
1065 if (ImageHandle == NULL) {\r
aa927cae 1066 DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r
28a00297 1067 return EFI_INVALID_PARAMETER;\r
1068 }\r
1069 if (Alignment >= 64) {\r
aa927cae 1070 DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_NOT_FOUND));\r
28a00297 1071 return EFI_NOT_FOUND;\r
1072 }\r
1073 if (Length == 0) {\r
aa927cae 1074 DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r
28a00297 1075 return EFI_INVALID_PARAMETER;\r
1076 }\r
1077\r
1078 Map = NULL;\r
71f68914 1079 if ((Operation & GCD_MEMORY_SPACE_OPERATION) != 0) {\r
28a00297 1080 CoreAcquireGcdMemoryLock ();\r
1081 Map = &mGcdMemorySpaceMap;\r
fbbb4211 1082 } else if ((Operation & GCD_IO_SPACE_OPERATION) != 0) {\r
28a00297 1083 CoreAcquireGcdIoLock ();\r
1084 Map = &mGcdIoSpaceMap;\r
fbbb4211 1085 } else {\r
1086 ASSERT (FALSE);\r
28a00297 1087 }\r
1088\r
1089 Found = FALSE;\r
1090 StartLink = NULL;\r
1091 EndLink = NULL;\r
1092 //\r
1093 // Compute alignment bit mask\r
1094 //\r
1095 AlignmentMask = LShiftU64 (1, Alignment) - 1;\r
1096\r
1097 if (GcdAllocateType == EfiGcdAllocateAddress) {\r
1098 //\r
1099 // Verify that the BaseAddress passed in is aligned correctly\r
1100 //\r
1101 if ((*BaseAddress & AlignmentMask) != 0) {\r
1102 Status = EFI_NOT_FOUND;\r
1103 goto Done;\r
1104 }\r
1105\r
1106 //\r
1107 // Search for the list of descriptors that cover the range BaseAddress to BaseAddress+Length\r
1108 //\r
1109 Status = CoreSearchGcdMapEntry (*BaseAddress, Length, &StartLink, &EndLink, Map);\r
1110 if (EFI_ERROR (Status)) {\r
1111 Status = EFI_NOT_FOUND;\r
1112 goto Done;\r
1113 }\r
d2fbaaab 1114 ASSERT (StartLink != NULL && EndLink != NULL);\r
28a00297 1115\r
1116 //\r
1117 // Verify that the list of descriptors are unallocated memory matching GcdMemoryType.\r
1118 //\r
1119 Link = StartLink;\r
1120 while (Link != EndLink->ForwardLink) {\r
1121 Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r
1122 Link = Link->ForwardLink;\r
1123 Status = CoreAllocateSpaceCheckEntry (Operation, Entry, GcdMemoryType, GcdIoType);\r
1124 if (EFI_ERROR (Status)) {\r
1125 goto Done;\r
1126 }\r
1127 }\r
1128 Found = TRUE;\r
1129 } else {\r
1130\r
1131 Entry = CR (Map->BackLink, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r
1132\r
1133 //\r
1134 // Compute the maximum address to use in the search algorithm\r
1135 //\r
1136 if (GcdAllocateType == EfiGcdAllocateMaxAddressSearchBottomUp ||\r
1137 GcdAllocateType == EfiGcdAllocateMaxAddressSearchTopDown ) {\r
1138 MaxAddress = *BaseAddress;\r
1139 } else {\r
1140 MaxAddress = Entry->EndAddress;\r
1141 }\r
1142\r
1143 //\r
1144 // Verify that the list of descriptors are unallocated memory matching GcdMemoryType.\r
1145 //\r
1146 if (GcdAllocateType == EfiGcdAllocateMaxAddressSearchTopDown ||\r
1147 GcdAllocateType == EfiGcdAllocateAnySearchTopDown ) {\r
1148 Link = Map->BackLink;\r
1149 } else {\r
1150 Link = Map->ForwardLink;\r
1151 }\r
1152 while (Link != Map) {\r
1153 Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r
1154\r
1155 if (GcdAllocateType == EfiGcdAllocateMaxAddressSearchTopDown ||\r
1156 GcdAllocateType == EfiGcdAllocateAnySearchTopDown ) {\r
1157 Link = Link->BackLink;\r
1158 } else {\r
1159 Link = Link->ForwardLink;\r
1160 }\r
1161\r
1162 Status = CoreAllocateSpaceCheckEntry (Operation, Entry, GcdMemoryType, GcdIoType);\r
1163 if (EFI_ERROR (Status)) {\r
1164 continue;\r
1165 }\r
1166\r
1167 if (GcdAllocateType == EfiGcdAllocateMaxAddressSearchTopDown ||\r
e94a9ff7 1168 GcdAllocateType == EfiGcdAllocateAnySearchTopDown) {\r
28a00297 1169 if ((Entry->BaseAddress + Length) > MaxAddress) {\r
1170 continue;\r
1171 }\r
1172 if (Length > (Entry->EndAddress + 1)) {\r
1173 Status = EFI_NOT_FOUND;\r
1174 goto Done;\r
1175 }\r
1176 if (Entry->EndAddress > MaxAddress) {\r
1177 *BaseAddress = MaxAddress;\r
1178 } else {\r
1179 *BaseAddress = Entry->EndAddress;\r
1180 }\r
1181 *BaseAddress = (*BaseAddress + 1 - Length) & (~AlignmentMask);\r
1182 } else {\r
1183 *BaseAddress = (Entry->BaseAddress + AlignmentMask) & (~AlignmentMask);\r
1184 if ((*BaseAddress + Length - 1) > MaxAddress) {\r
1185 Status = EFI_NOT_FOUND;\r
1186 goto Done;\r
1187 }\r
1188 }\r
1189\r
1190 //\r
1191 // Search for the list of descriptors that cover the range BaseAddress to BaseAddress+Length\r
1192 //\r
1193 Status = CoreSearchGcdMapEntry (*BaseAddress, Length, &StartLink, &EndLink, Map);\r
1194 if (EFI_ERROR (Status)) {\r
1195 Status = EFI_NOT_FOUND;\r
1196 goto Done;\r
1197 }\r
d2fbaaab 1198 ASSERT (StartLink != NULL && EndLink != NULL);\r
28a00297 1199\r
1200 Link = StartLink;\r
1201 //\r
1202 // Verify that the list of descriptors are unallocated memory matching GcdMemoryType.\r
1203 //\r
1204 Found = TRUE;\r
1205 SubLink = StartLink;\r
1206 while (SubLink != EndLink->ForwardLink) {\r
1207 Entry = CR (SubLink, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r
1208 Status = CoreAllocateSpaceCheckEntry (Operation, Entry, GcdMemoryType, GcdIoType);\r
1209 if (EFI_ERROR (Status)) {\r
1210 Link = SubLink;\r
1211 Found = FALSE;\r
1212 break;\r
1213 }\r
1214 SubLink = SubLink->ForwardLink;\r
1215 }\r
1216 if (Found) {\r
1217 break;\r
1218 }\r
1219 }\r
1220 }\r
1221 if (!Found) {\r
1222 Status = EFI_NOT_FOUND;\r
1223 goto Done;\r
1224 }\r
1225\r
1226 //\r
1227 // Allocate work space to perform this operation\r
1228 //\r
1229 Status = CoreAllocateGcdMapEntry (&TopEntry, &BottomEntry);\r
1230 if (EFI_ERROR (Status)) {\r
1231 Status = EFI_OUT_OF_RESOURCES;\r
1232 goto Done;\r
1233 }\r
d2fbaaab 1234 ASSERT (TopEntry != NULL && BottomEntry != NULL);\r
28a00297 1235\r
1236 //\r
1237 // Convert/Insert the list of descriptors from StartLink to EndLink\r
1238 //\r
1239 Link = StartLink;\r
1240 while (Link != EndLink->ForwardLink) {\r
1241 Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r
1242 CoreInsertGcdMapEntry (Link, Entry, *BaseAddress, Length, TopEntry, BottomEntry);\r
1243 Entry->ImageHandle = ImageHandle;\r
1244 Entry->DeviceHandle = DeviceHandle;\r
1245 Link = Link->ForwardLink;\r
1246 }\r
1247\r
1248 //\r
1249 // Cleanup\r
1250 //\r
1251 Status = CoreCleanupGcdMapEntry (TopEntry, BottomEntry, StartLink, EndLink, Map);\r
1252\r
1253Done:\r
aa927cae 1254 DEBUG ((DEBUG_GCD, " Status = %r", Status));\r
1255 if (!EFI_ERROR (Status)) {\r
1256 DEBUG ((DEBUG_GCD, " (BaseAddress = %016lx)", *BaseAddress));\r
1257 }\r
1258 DEBUG ((DEBUG_GCD, "\n"));\r
f9d1f97c 1259 \r
71f68914 1260 if ((Operation & GCD_MEMORY_SPACE_OPERATION) != 0) {\r
28a00297 1261 CoreReleaseGcdMemoryLock ();\r
aa927cae 1262 CoreDumpGcdMemorySpaceMap (FALSE);\r
28a00297 1263 }\r
71f68914 1264 if ((Operation & GCD_IO_SPACE_OPERATION) !=0) {\r
28a00297 1265 CoreReleaseGcdIoLock ();\r
aa927cae 1266 CoreDumpGcdIoSpaceMap (FALSE);\r
28a00297 1267 }\r
aa927cae 1268\r
28a00297 1269 return Status;\r
1270}\r
1271\r
28a00297 1272\r
162ed594 1273/**\r
28a00297 1274 Add a segment of memory to GCD map.\r
1275\r
022c6d45 1276 @param GcdMemoryType Memory type of the segment.\r
1277 @param BaseAddress Base address of the segment.\r
1278 @param Length Length of the segment.\r
1279 @param Capabilities alterable attributes of the segment.\r
28a00297 1280\r
022c6d45 1281 @retval EFI_INVALID_PARAMETER Invalid parameters.\r
162ed594 1282 @retval EFI_SUCCESS Successfully add a segment of memory space.\r
28a00297 1283\r
162ed594 1284**/\r
162ed594 1285EFI_STATUS\r
1286CoreInternalAddMemorySpace (\r
1287 IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r
1288 IN EFI_PHYSICAL_ADDRESS BaseAddress,\r
1289 IN UINT64 Length,\r
1290 IN UINT64 Capabilities\r
1291 )\r
28a00297 1292{\r
f9d1f97c 1293 DEBUG ((DEBUG_GCD, "GCD:AddMemorySpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r
1294 DEBUG ((DEBUG_GCD, " GcdMemoryType = %a\n", mGcdMemoryTypeNames[MIN (GcdMemoryType, EfiGcdMemoryTypeMaximum)]));\r
1295 DEBUG ((DEBUG_GCD, " Capabilities = %016lx\n", Capabilities));\r
1296\r
28a00297 1297 //\r
1298 // Make sure parameters are valid\r
1299 //\r
1300 if (GcdMemoryType <= EfiGcdMemoryTypeNonExistent || GcdMemoryType >= EfiGcdMemoryTypeMaximum) {\r
1301 return EFI_INVALID_PARAMETER;\r
1302 }\r
1303\r
1304 return CoreConvertSpace (GCD_ADD_MEMORY_OPERATION, GcdMemoryType, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, Capabilities, 0);\r
1305}\r
1306\r
1307//\r
1308// GCD Core Services\r
1309//\r
162ed594 1310\r
1311/**\r
1312 Allocates nonexistent memory, reserved memory, system memory, or memorymapped\r
1313 I/O resources from the global coherency domain of the processor.\r
1314\r
022c6d45 1315 @param GcdAllocateType The type of allocate operation\r
1316 @param GcdMemoryType The desired memory type\r
1317 @param Alignment Align with 2^Alignment\r
1318 @param Length Length to allocate\r
1319 @param BaseAddress Base address to allocate\r
1320 @param ImageHandle The image handle consume the allocated space.\r
1321 @param DeviceHandle The device handle consume the allocated space.\r
162ed594 1322\r
022c6d45 1323 @retval EFI_INVALID_PARAMETER Invalid parameter.\r
1324 @retval EFI_NOT_FOUND No descriptor contains the desired space.\r
162ed594 1325 @retval EFI_SUCCESS Memory space successfully allocated.\r
1326\r
1327**/\r
28a00297 1328EFI_STATUS\r
3b6ffb6a 1329EFIAPI\r
28a00297 1330CoreAllocateMemorySpace (\r
1331 IN EFI_GCD_ALLOCATE_TYPE GcdAllocateType,\r
1332 IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r
1333 IN UINTN Alignment,\r
1334 IN UINT64 Length,\r
1335 IN OUT EFI_PHYSICAL_ADDRESS *BaseAddress,\r
1336 IN EFI_HANDLE ImageHandle,\r
1337 IN EFI_HANDLE DeviceHandle OPTIONAL\r
1338 )\r
28a00297 1339{\r
f9d1f97c 1340 DEBUG ((DEBUG_GCD, "GCD:AllocateMemorySpace(Base=%016lx,Length=%016lx)\n", *BaseAddress, Length));\r
1341 DEBUG ((DEBUG_GCD, " GcdAllocateType = %a\n", mGcdAllocationTypeNames[MIN (GcdAllocateType, EfiGcdMaxAllocateType)]));\r
1342 DEBUG ((DEBUG_GCD, " GcdMemoryType = %a\n", mGcdMemoryTypeNames[MIN (GcdMemoryType, EfiGcdMemoryTypeMaximum)]));\r
1343 DEBUG ((DEBUG_GCD, " Alignment = %016lx\n", LShiftU64 (1, Alignment)));\r
1344 DEBUG ((DEBUG_GCD, " ImageHandle = %p\n", ImageHandle));\r
1345 DEBUG ((DEBUG_GCD, " DeviceHandle = %p\n", DeviceHandle));\r
1346 \r
28a00297 1347 return CoreAllocateSpace (\r
022c6d45 1348 GCD_ALLOCATE_MEMORY_OPERATION,\r
1349 GcdAllocateType,\r
1350 GcdMemoryType,\r
1351 (EFI_GCD_IO_TYPE) 0,\r
1352 Alignment,\r
1353 Length,\r
1354 BaseAddress,\r
1355 ImageHandle,\r
28a00297 1356 DeviceHandle\r
1357 );\r
1358}\r
1359\r
162ed594 1360\r
1361/**\r
1362 Adds reserved memory, system memory, or memory-mapped I/O resources to the\r
1363 global coherency domain of the processor.\r
1364\r
022c6d45 1365 @param GcdMemoryType Memory type of the memory space.\r
1366 @param BaseAddress Base address of the memory space.\r
1367 @param Length Length of the memory space.\r
1368 @param Capabilities alterable attributes of the memory space.\r
162ed594 1369\r
1370 @retval EFI_SUCCESS Merged this memory space into GCD map.\r
1371\r
1372**/\r
28a00297 1373EFI_STATUS\r
3b6ffb6a 1374EFIAPI\r
28a00297 1375CoreAddMemorySpace (\r
1376 IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r
1377 IN EFI_PHYSICAL_ADDRESS BaseAddress,\r
1378 IN UINT64 Length,\r
1379 IN UINT64 Capabilities\r
1380 )\r
28a00297 1381{\r
1382 EFI_STATUS Status;\r
1383 EFI_PHYSICAL_ADDRESS PageBaseAddress;\r
1384 UINT64 PageLength;\r
1385\r
1386 Status = CoreInternalAddMemorySpace (GcdMemoryType, BaseAddress, Length, Capabilities);\r
1387\r
74705ca5 1388 if (!EFI_ERROR (Status) && ((GcdMemoryType == EfiGcdMemoryTypeSystemMemory) || (GcdMemoryType == EfiGcdMemoryTypeMoreReliable))) {\r
28a00297 1389\r
74705ca5 1390 PageBaseAddress = PageAlignAddress (BaseAddress);\r
28a00297 1391 PageLength = PageAlignLength (BaseAddress + Length - PageBaseAddress);\r
1392\r
1393 Status = CoreAllocateMemorySpace (\r
1394 EfiGcdAllocateAddress,\r
1395 GcdMemoryType,\r
022c6d45 1396 EFI_PAGE_SHIFT,\r
28a00297 1397 PageLength,\r
1398 &PageBaseAddress,\r
1399 gDxeCoreImageHandle,\r
1400 NULL\r
1401 );\r
1402\r
1403 if (!EFI_ERROR (Status)) {\r
1404 CoreAddMemoryDescriptor (\r
1405 EfiConventionalMemory,\r
1406 PageBaseAddress,\r
1407 RShiftU64 (PageLength, EFI_PAGE_SHIFT),\r
1408 Capabilities\r
1409 );\r
1410 } else {\r
1411 for (; PageLength != 0; PageLength -= EFI_PAGE_SIZE, PageBaseAddress += EFI_PAGE_SIZE) {\r
1412 Status = CoreAllocateMemorySpace (\r
1413 EfiGcdAllocateAddress,\r
1414 GcdMemoryType,\r
022c6d45 1415 EFI_PAGE_SHIFT,\r
28a00297 1416 EFI_PAGE_SIZE,\r
1417 &PageBaseAddress,\r
1418 gDxeCoreImageHandle,\r
1419 NULL\r
1420 );\r
1421\r
1422 if (!EFI_ERROR (Status)) {\r
1423 CoreAddMemoryDescriptor (\r
1424 EfiConventionalMemory,\r
1425 PageBaseAddress,\r
1426 1,\r
1427 Capabilities\r
1428 );\r
1429 }\r
1430 }\r
1431 }\r
1432 }\r
1433 return Status;\r
1434}\r
1435\r
28a00297 1436\r
162ed594 1437/**\r
28a00297 1438 Frees nonexistent memory, reserved memory, system memory, or memory-mapped\r
162ed594 1439 I/O resources from the global coherency domain of the processor.\r
28a00297 1440\r
022c6d45 1441 @param BaseAddress Base address of the memory space.\r
1442 @param Length Length of the memory space.\r
28a00297 1443\r
162ed594 1444 @retval EFI_SUCCESS Space successfully freed.\r
28a00297 1445\r
162ed594 1446**/\r
28a00297 1447EFI_STATUS\r
3b6ffb6a 1448EFIAPI\r
162ed594 1449CoreFreeMemorySpace (\r
28a00297 1450 IN EFI_PHYSICAL_ADDRESS BaseAddress,\r
1451 IN UINT64 Length\r
1452 )\r
162ed594 1453{\r
f9d1f97c 1454 DEBUG ((DEBUG_GCD, "GCD:FreeMemorySpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r
1455\r
162ed594 1456 return CoreConvertSpace (GCD_FREE_MEMORY_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, 0, 0);\r
1457}\r
28a00297 1458\r
28a00297 1459\r
162ed594 1460/**\r
28a00297 1461 Removes reserved memory, system memory, or memory-mapped I/O resources from\r
162ed594 1462 the global coherency domain of the processor.\r
28a00297 1463\r
022c6d45 1464 @param BaseAddress Base address of the memory space.\r
1465 @param Length Length of the memory space.\r
28a00297 1466\r
162ed594 1467 @retval EFI_SUCCESS Successfully remove a segment of memory space.\r
28a00297 1468\r
162ed594 1469**/\r
1470EFI_STATUS\r
3b6ffb6a 1471EFIAPI\r
162ed594 1472CoreRemoveMemorySpace (\r
1473 IN EFI_PHYSICAL_ADDRESS BaseAddress,\r
1474 IN UINT64 Length\r
1475 )\r
28a00297 1476{\r
f9d1f97c 1477 DEBUG ((DEBUG_GCD, "GCD:RemoveMemorySpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r
1478 \r
28a00297 1479 return CoreConvertSpace (GCD_REMOVE_MEMORY_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, 0, 0);\r
1480}\r
1481\r
162ed594 1482\r
1483/**\r
1484 Build a memory descriptor according to an entry.\r
1485\r
022c6d45 1486 @param Descriptor The descriptor to be built\r
162ed594 1487 @param Entry According to this entry\r
1488\r
1489**/\r
28a00297 1490VOID\r
1491BuildMemoryDescriptor (\r
1492 IN OUT EFI_GCD_MEMORY_SPACE_DESCRIPTOR *Descriptor,\r
1493 IN EFI_GCD_MAP_ENTRY *Entry\r
1494 )\r
28a00297 1495{\r
1496 Descriptor->BaseAddress = Entry->BaseAddress;\r
1497 Descriptor->Length = Entry->EndAddress - Entry->BaseAddress + 1;\r
1498 Descriptor->Capabilities = Entry->Capabilities;\r
1499 Descriptor->Attributes = Entry->Attributes;\r
1500 Descriptor->GcdMemoryType = Entry->GcdMemoryType;\r
1501 Descriptor->ImageHandle = Entry->ImageHandle;\r
1502 Descriptor->DeviceHandle = Entry->DeviceHandle;\r
1503}\r
1504\r
28a00297 1505\r
162ed594 1506/**\r
28a00297 1507 Retrieves the descriptor for a memory region containing a specified address.\r
1508\r
022c6d45 1509 @param BaseAddress Specified start address\r
1510 @param Descriptor Specified length\r
28a00297 1511\r
022c6d45 1512 @retval EFI_INVALID_PARAMETER Invalid parameter\r
162ed594 1513 @retval EFI_SUCCESS Successfully get memory space descriptor.\r
28a00297 1514\r
162ed594 1515**/\r
1516EFI_STATUS\r
3b6ffb6a 1517EFIAPI\r
162ed594 1518CoreGetMemorySpaceDescriptor (\r
1519 IN EFI_PHYSICAL_ADDRESS BaseAddress,\r
1520 OUT EFI_GCD_MEMORY_SPACE_DESCRIPTOR *Descriptor\r
1521 )\r
28a00297 1522{\r
1523 EFI_STATUS Status;\r
1524 LIST_ENTRY *StartLink;\r
1525 LIST_ENTRY *EndLink;\r
1526 EFI_GCD_MAP_ENTRY *Entry;\r
1527\r
1528 //\r
1529 // Make sure parameters are valid\r
1530 //\r
1531 if (Descriptor == NULL) {\r
1532 return EFI_INVALID_PARAMETER;\r
1533 }\r
1534\r
1535 CoreAcquireGcdMemoryLock ();\r
1536\r
1537 //\r
022c6d45 1538 // Search for the list of descriptors that contain BaseAddress\r
28a00297 1539 //\r
1540 Status = CoreSearchGcdMapEntry (BaseAddress, 1, &StartLink, &EndLink, &mGcdMemorySpaceMap);\r
1541 if (EFI_ERROR (Status)) {\r
1542 Status = EFI_NOT_FOUND;\r
1543 } else {\r
d2fbaaab 1544 ASSERT (StartLink != NULL && EndLink != NULL);\r
28a00297 1545 //\r
1546 // Copy the contents of the found descriptor into Descriptor\r
1547 //\r
1548 Entry = CR (StartLink, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r
1549 BuildMemoryDescriptor (Descriptor, Entry);\r
1550 }\r
1551\r
1552 CoreReleaseGcdMemoryLock ();\r
1553\r
1554 return Status;\r
1555}\r
1556\r
162ed594 1557\r
1558/**\r
1559 Modifies the attributes for a memory region in the global coherency domain of the\r
1560 processor.\r
1561\r
022c6d45 1562 @param BaseAddress Specified start address\r
1563 @param Length Specified length\r
1564 @param Attributes Specified attributes\r
162ed594 1565\r
fc8ff20f 1566 @retval EFI_SUCCESS The attributes were set for the memory region.\r
1567 @retval EFI_INVALID_PARAMETER Length is zero. \r
1568 @retval EFI_UNSUPPORTED The processor does not support one or more bytes of the memory\r
1569 resource range specified by BaseAddress and Length.\r
1570 @retval EFI_UNSUPPORTED The bit mask of attributes is not support for the memory resource\r
1571 range specified by BaseAddress and Length.\r
1572 @retval EFI_ACCESS_DEFINED The attributes for the memory resource range specified by\r
1573 BaseAddress and Length cannot be modified.\r
1574 @retval EFI_OUT_OF_RESOURCES There are not enough system resources to modify the attributes of\r
1575 the memory resource range.\r
1576 @retval EFI_NOT_AVAILABLE_YET The attributes cannot be set because CPU architectural protocol is\r
1577 not available yet.\r
162ed594 1578\r
1579**/\r
28a00297 1580EFI_STATUS\r
3b6ffb6a 1581EFIAPI\r
28a00297 1582CoreSetMemorySpaceAttributes (\r
1583 IN EFI_PHYSICAL_ADDRESS BaseAddress,\r
1584 IN UINT64 Length,\r
1585 IN UINT64 Attributes\r
1586 )\r
162ed594 1587{\r
f9d1f97c 1588 DEBUG ((DEBUG_GCD, "GCD:SetMemorySpaceAttributes(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r
1589 DEBUG ((DEBUG_GCD, " Attributes = %016lx\n", Attributes));\r
1590\r
162ed594 1591 return CoreConvertSpace (GCD_SET_ATTRIBUTES_MEMORY_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, 0, Attributes);\r
1592}\r
28a00297 1593\r
28a00297 1594\r
771ee501
EC
1595/**\r
1596 Modifies the capabilities for a memory region in the global coherency domain of the\r
1597 processor.\r
1598\r
1599 @param BaseAddress The physical address that is the start address of a memory region.\r
1600 @param Length The size in bytes of the memory region.\r
1601 @param Capabilities The bit mask of capabilities that the memory region supports.\r
1602\r
1603 @retval EFI_SUCCESS The capabilities were set for the memory region.\r
1604 @retval EFI_INVALID_PARAMETER Length is zero.\r
1605 @retval EFI_UNSUPPORTED The capabilities specified by Capabilities do not include the\r
1606 memory region attributes currently in use.\r
1607 @retval EFI_ACCESS_DENIED The capabilities for the memory resource range specified by\r
1608 BaseAddress and Length cannot be modified.\r
1609 @retval EFI_OUT_OF_RESOURCES There are not enough system resources to modify the capabilities\r
1610 of the memory resource range.\r
1611**/\r
1612EFI_STATUS\r
1613EFIAPI\r
1614CoreSetMemorySpaceCapabilities (\r
1615 IN EFI_PHYSICAL_ADDRESS BaseAddress,\r
1616 IN UINT64 Length,\r
1617 IN UINT64 Capabilities\r
1618 )\r
1619{\r
736a692e
HT
1620 EFI_STATUS Status;\r
1621\r
771ee501 1622 DEBUG ((DEBUG_GCD, "GCD:CoreSetMemorySpaceCapabilities(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r
736a692e
HT
1623 DEBUG ((DEBUG_GCD, " Capabilities = %016lx\n", Capabilities));\r
1624\r
1625 Status = CoreConvertSpace (GCD_SET_CAPABILITIES_MEMORY_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, Capabilities, 0);\r
771ee501 1626 if (!EFI_ERROR(Status)) {\r
736a692e
HT
1627 CoreUpdateMemoryAttributes(BaseAddress, RShiftU64(Length, EFI_PAGE_SHIFT), Capabilities);\r
1628 }\r
1629\r
771ee501
EC
1630 return Status;\r
1631}\r
1632\r
1633\r
162ed594 1634/**\r
1635 Returns a map of the memory resources in the global coherency domain of the\r
1636 processor.\r
28a00297 1637\r
022c6d45 1638 @param NumberOfDescriptors Number of descriptors.\r
1639 @param MemorySpaceMap Descriptor array\r
28a00297 1640\r
022c6d45 1641 @retval EFI_INVALID_PARAMETER Invalid parameter\r
1642 @retval EFI_OUT_OF_RESOURCES No enough buffer to allocate\r
162ed594 1643 @retval EFI_SUCCESS Successfully get memory space map.\r
28a00297 1644\r
162ed594 1645**/\r
28a00297 1646EFI_STATUS\r
3b6ffb6a 1647EFIAPI\r
28a00297 1648CoreGetMemorySpaceMap (\r
1649 OUT UINTN *NumberOfDescriptors,\r
1650 OUT EFI_GCD_MEMORY_SPACE_DESCRIPTOR **MemorySpaceMap\r
1651 )\r
28a00297 1652{\r
1653 EFI_STATUS Status;\r
1654 LIST_ENTRY *Link;\r
1655 EFI_GCD_MAP_ENTRY *Entry;\r
1656 EFI_GCD_MEMORY_SPACE_DESCRIPTOR *Descriptor;\r
1657\r
1658 //\r
1659 // Make sure parameters are valid\r
1660 //\r
1661 if (NumberOfDescriptors == NULL) {\r
1662 return EFI_INVALID_PARAMETER;\r
1663 }\r
1664 if (MemorySpaceMap == NULL) {\r
1665 return EFI_INVALID_PARAMETER;\r
1666 }\r
1667\r
1668 CoreAcquireGcdMemoryLock ();\r
1669\r
1670 //\r
1671 // Count the number of descriptors\r
1672 //\r
1673 *NumberOfDescriptors = CoreCountGcdMapEntry (&mGcdMemorySpaceMap);\r
1674\r
1675 //\r
1676 // Allocate the MemorySpaceMap\r
1677 //\r
9c4ac31c 1678 *MemorySpaceMap = AllocatePool (*NumberOfDescriptors * sizeof (EFI_GCD_MEMORY_SPACE_DESCRIPTOR));\r
28a00297 1679 if (*MemorySpaceMap == NULL) {\r
1680 Status = EFI_OUT_OF_RESOURCES;\r
1681 goto Done;\r
1682 }\r
1683\r
1684 //\r
1685 // Fill in the MemorySpaceMap\r
1686 //\r
1687 Descriptor = *MemorySpaceMap;\r
1688 Link = mGcdMemorySpaceMap.ForwardLink;\r
1689 while (Link != &mGcdMemorySpaceMap) {\r
1690 Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r
1691 BuildMemoryDescriptor (Descriptor, Entry);\r
1692 Descriptor++;\r
1693 Link = Link->ForwardLink;\r
1694 }\r
1695 Status = EFI_SUCCESS;\r
1696\r
1697Done:\r
1698 CoreReleaseGcdMemoryLock ();\r
1699 return Status;\r
1700}\r
1701\r
162ed594 1702\r
1703/**\r
1704 Adds reserved I/O or I/O resources to the global coherency domain of the processor.\r
1705\r
022c6d45 1706 @param GcdIoType IO type of the segment.\r
1707 @param BaseAddress Base address of the segment.\r
1708 @param Length Length of the segment.\r
162ed594 1709\r
022c6d45 1710 @retval EFI_SUCCESS Merged this segment into GCD map.\r
162ed594 1711 @retval EFI_INVALID_PARAMETER Parameter not valid\r
1712\r
1713**/\r
28a00297 1714EFI_STATUS\r
3b6ffb6a 1715EFIAPI\r
28a00297 1716CoreAddIoSpace (\r
1717 IN EFI_GCD_IO_TYPE GcdIoType,\r
1718 IN EFI_PHYSICAL_ADDRESS BaseAddress,\r
1719 IN UINT64 Length\r
1720 )\r
28a00297 1721{\r
f9d1f97c 1722 DEBUG ((DEBUG_GCD, "GCD:AddIoSpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r
1723 DEBUG ((DEBUG_GCD, " GcdIoType = %a\n", mGcdIoTypeNames[MIN (GcdIoType, EfiGcdIoTypeMaximum)]));\r
1724 \r
28a00297 1725 //\r
1726 // Make sure parameters are valid\r
1727 //\r
1728 if (GcdIoType <= EfiGcdIoTypeNonExistent || GcdIoType >= EfiGcdIoTypeMaximum) {\r
1729 return EFI_INVALID_PARAMETER;\r
1730 }\r
1731 return CoreConvertSpace (GCD_ADD_IO_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, GcdIoType, BaseAddress, Length, 0, 0);\r
1732}\r
1733\r
162ed594 1734\r
1735/**\r
1736 Allocates nonexistent I/O, reserved I/O, or I/O resources from the global coherency\r
1737 domain of the processor.\r
1738\r
022c6d45 1739 @param GcdAllocateType The type of allocate operation\r
1740 @param GcdIoType The desired IO type\r
1741 @param Alignment Align with 2^Alignment\r
1742 @param Length Length to allocate\r
1743 @param BaseAddress Base address to allocate\r
1744 @param ImageHandle The image handle consume the allocated space.\r
1745 @param DeviceHandle The device handle consume the allocated space.\r
162ed594 1746\r
022c6d45 1747 @retval EFI_INVALID_PARAMETER Invalid parameter.\r
1748 @retval EFI_NOT_FOUND No descriptor contains the desired space.\r
162ed594 1749 @retval EFI_SUCCESS IO space successfully allocated.\r
1750\r
1751**/\r
28a00297 1752EFI_STATUS\r
3b6ffb6a 1753EFIAPI\r
28a00297 1754CoreAllocateIoSpace (\r
1755 IN EFI_GCD_ALLOCATE_TYPE GcdAllocateType,\r
1756 IN EFI_GCD_IO_TYPE GcdIoType,\r
1757 IN UINTN Alignment,\r
1758 IN UINT64 Length,\r
1759 IN OUT EFI_PHYSICAL_ADDRESS *BaseAddress,\r
1760 IN EFI_HANDLE ImageHandle,\r
1761 IN EFI_HANDLE DeviceHandle OPTIONAL\r
1762 )\r
28a00297 1763{\r
f9d1f97c 1764 DEBUG ((DEBUG_GCD, "GCD:AllocateIoSpace(Base=%016lx,Length=%016lx)\n", *BaseAddress, Length));\r
1765 DEBUG ((DEBUG_GCD, " GcdAllocateType = %a\n", mGcdAllocationTypeNames[MIN (GcdAllocateType, EfiGcdMaxAllocateType)]));\r
5d1cf216 1766 DEBUG ((DEBUG_GCD, " GcdIoType = %a\n", mGcdIoTypeNames[MIN (GcdIoType, EfiGcdIoTypeMaximum)]));\r
f9d1f97c 1767 DEBUG ((DEBUG_GCD, " Alignment = %016lx\n", LShiftU64 (1, Alignment)));\r
1768 DEBUG ((DEBUG_GCD, " ImageHandle = %p\n", ImageHandle));\r
1769 DEBUG ((DEBUG_GCD, " DeviceHandle = %p\n", DeviceHandle));\r
1770 \r
28a00297 1771 return CoreAllocateSpace (\r
022c6d45 1772 GCD_ALLOCATE_IO_OPERATION,\r
1773 GcdAllocateType,\r
1774 (EFI_GCD_MEMORY_TYPE) 0,\r
1775 GcdIoType,\r
1776 Alignment,\r
1777 Length,\r
1778 BaseAddress,\r
1779 ImageHandle,\r
28a00297 1780 DeviceHandle\r
1781 );\r
1782}\r
1783\r
28a00297 1784\r
162ed594 1785/**\r
28a00297 1786 Frees nonexistent I/O, reserved I/O, or I/O resources from the global coherency\r
162ed594 1787 domain of the processor.\r
28a00297 1788\r
022c6d45 1789 @param BaseAddress Base address of the segment.\r
1790 @param Length Length of the segment.\r
28a00297 1791\r
162ed594 1792 @retval EFI_SUCCESS Space successfully freed.\r
28a00297 1793\r
162ed594 1794**/\r
28a00297 1795EFI_STATUS\r
3b6ffb6a 1796EFIAPI\r
162ed594 1797CoreFreeIoSpace (\r
28a00297 1798 IN EFI_PHYSICAL_ADDRESS BaseAddress,\r
1799 IN UINT64 Length\r
1800 )\r
162ed594 1801{\r
f9d1f97c 1802 DEBUG ((DEBUG_GCD, "GCD:FreeIoSpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r
1803\r
162ed594 1804 return CoreConvertSpace (GCD_FREE_IO_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, 0, 0);\r
1805}\r
28a00297 1806\r
28a00297 1807\r
162ed594 1808/**\r
28a00297 1809 Removes reserved I/O or I/O resources from the global coherency domain of the\r
162ed594 1810 processor.\r
28a00297 1811\r
022c6d45 1812 @param BaseAddress Base address of the segment.\r
1813 @param Length Length of the segment.\r
28a00297 1814\r
162ed594 1815 @retval EFI_SUCCESS Successfully removed a segment of IO space.\r
28a00297 1816\r
162ed594 1817**/\r
1818EFI_STATUS\r
3b6ffb6a 1819EFIAPI\r
162ed594 1820CoreRemoveIoSpace (\r
1821 IN EFI_PHYSICAL_ADDRESS BaseAddress,\r
1822 IN UINT64 Length\r
1823 )\r
28a00297 1824{\r
f9d1f97c 1825 DEBUG ((DEBUG_GCD, "GCD:RemoveIoSpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r
1826 \r
28a00297 1827 return CoreConvertSpace (GCD_REMOVE_IO_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, 0, 0);\r
1828}\r
1829\r
162ed594 1830\r
1831/**\r
1832 Build a IO descriptor according to an entry.\r
1833\r
022c6d45 1834 @param Descriptor The descriptor to be built\r
162ed594 1835 @param Entry According to this entry\r
1836\r
1837**/\r
28a00297 1838VOID\r
1839BuildIoDescriptor (\r
1840 IN EFI_GCD_IO_SPACE_DESCRIPTOR *Descriptor,\r
1841 IN EFI_GCD_MAP_ENTRY *Entry\r
1842 )\r
28a00297 1843{\r
1844 Descriptor->BaseAddress = Entry->BaseAddress;\r
1845 Descriptor->Length = Entry->EndAddress - Entry->BaseAddress + 1;\r
1846 Descriptor->GcdIoType = Entry->GcdIoType;\r
1847 Descriptor->ImageHandle = Entry->ImageHandle;\r
1848 Descriptor->DeviceHandle = Entry->DeviceHandle;\r
1849}\r
1850\r
28a00297 1851\r
162ed594 1852/**\r
28a00297 1853 Retrieves the descriptor for an I/O region containing a specified address.\r
1854\r
022c6d45 1855 @param BaseAddress Specified start address\r
1856 @param Descriptor Specified length\r
28a00297 1857\r
022c6d45 1858 @retval EFI_INVALID_PARAMETER Descriptor is NULL.\r
162ed594 1859 @retval EFI_SUCCESS Successfully get the IO space descriptor.\r
28a00297 1860\r
162ed594 1861**/\r
1862EFI_STATUS\r
3b6ffb6a 1863EFIAPI\r
162ed594 1864CoreGetIoSpaceDescriptor (\r
1865 IN EFI_PHYSICAL_ADDRESS BaseAddress,\r
1866 OUT EFI_GCD_IO_SPACE_DESCRIPTOR *Descriptor\r
1867 )\r
28a00297 1868{\r
1869 EFI_STATUS Status;\r
1870 LIST_ENTRY *StartLink;\r
1871 LIST_ENTRY *EndLink;\r
1872 EFI_GCD_MAP_ENTRY *Entry;\r
1873\r
1874 //\r
1875 // Make sure parameters are valid\r
1876 //\r
1877 if (Descriptor == NULL) {\r
1878 return EFI_INVALID_PARAMETER;\r
1879 }\r
1880\r
1881 CoreAcquireGcdIoLock ();\r
1882\r
1883 //\r
022c6d45 1884 // Search for the list of descriptors that contain BaseAddress\r
28a00297 1885 //\r
1886 Status = CoreSearchGcdMapEntry (BaseAddress, 1, &StartLink, &EndLink, &mGcdIoSpaceMap);\r
1887 if (EFI_ERROR (Status)) {\r
1888 Status = EFI_NOT_FOUND;\r
1889 } else {\r
d2fbaaab 1890 ASSERT (StartLink != NULL && EndLink != NULL);\r
28a00297 1891 //\r
1892 // Copy the contents of the found descriptor into Descriptor\r
1893 //\r
1894 Entry = CR (StartLink, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r
1895 BuildIoDescriptor (Descriptor, Entry);\r
1896 }\r
1897\r
1898 CoreReleaseGcdIoLock ();\r
1899\r
1900 return Status;\r
1901}\r
1902\r
28a00297 1903\r
162ed594 1904/**\r
28a00297 1905 Returns a map of the I/O resources in the global coherency domain of the processor.\r
1906\r
022c6d45 1907 @param NumberOfDescriptors Number of descriptors.\r
1908 @param IoSpaceMap Descriptor array\r
28a00297 1909\r
022c6d45 1910 @retval EFI_INVALID_PARAMETER Invalid parameter\r
1911 @retval EFI_OUT_OF_RESOURCES No enough buffer to allocate\r
162ed594 1912 @retval EFI_SUCCESS Successfully get IO space map.\r
28a00297 1913\r
162ed594 1914**/\r
1915EFI_STATUS\r
3b6ffb6a 1916EFIAPI\r
162ed594 1917CoreGetIoSpaceMap (\r
1918 OUT UINTN *NumberOfDescriptors,\r
1919 OUT EFI_GCD_IO_SPACE_DESCRIPTOR **IoSpaceMap\r
1920 )\r
28a00297 1921{\r
1922 EFI_STATUS Status;\r
1923 LIST_ENTRY *Link;\r
1924 EFI_GCD_MAP_ENTRY *Entry;\r
1925 EFI_GCD_IO_SPACE_DESCRIPTOR *Descriptor;\r
1926\r
1927 //\r
1928 // Make sure parameters are valid\r
1929 //\r
1930 if (NumberOfDescriptors == NULL) {\r
1931 return EFI_INVALID_PARAMETER;\r
1932 }\r
1933 if (IoSpaceMap == NULL) {\r
1934 return EFI_INVALID_PARAMETER;\r
1935 }\r
1936\r
1937 CoreAcquireGcdIoLock ();\r
1938\r
1939 //\r
1940 // Count the number of descriptors\r
1941 //\r
1942 *NumberOfDescriptors = CoreCountGcdMapEntry (&mGcdIoSpaceMap);\r
1943\r
1944 //\r
1945 // Allocate the IoSpaceMap\r
1946 //\r
9c4ac31c 1947 *IoSpaceMap = AllocatePool (*NumberOfDescriptors * sizeof (EFI_GCD_IO_SPACE_DESCRIPTOR));\r
28a00297 1948 if (*IoSpaceMap == NULL) {\r
1949 Status = EFI_OUT_OF_RESOURCES;\r
1950 goto Done;\r
1951 }\r
1952\r
1953 //\r
1954 // Fill in the IoSpaceMap\r
1955 //\r
1956 Descriptor = *IoSpaceMap;\r
1957 Link = mGcdIoSpaceMap.ForwardLink;\r
1958 while (Link != &mGcdIoSpaceMap) {\r
1959 Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r
1960 BuildIoDescriptor (Descriptor, Entry);\r
1961 Descriptor++;\r
1962 Link = Link->ForwardLink;\r
1963 }\r
1964 Status = EFI_SUCCESS;\r
1965\r
1966Done:\r
1967 CoreReleaseGcdIoLock ();\r
1968 return Status;\r
022c6d45 1969}\r
28a00297 1970\r
aa927cae 1971\r
162ed594 1972/**\r
1973 Converts a Resource Descriptor HOB attributes mask to an EFI Memory Descriptor\r
1974 capabilities mask\r
1975\r
022c6d45 1976 @param GcdMemoryType Type of resource in the GCD memory map.\r
1977 @param Attributes The attribute mask in the Resource Descriptor\r
1978 HOB.\r
162ed594 1979\r
1980 @return The capabilities mask for an EFI Memory Descriptor.\r
1981\r
1982**/\r
28a00297 1983UINT64\r
1984CoreConvertResourceDescriptorHobAttributesToCapabilities (\r
1985 EFI_GCD_MEMORY_TYPE GcdMemoryType,\r
1986 UINT64 Attributes\r
1987 )\r
28a00297 1988{\r
1989 UINT64 Capabilities;\r
1990 GCD_ATTRIBUTE_CONVERSION_ENTRY *Conversion;\r
022c6d45 1991\r
28a00297 1992 //\r
1993 // Convert the Resource HOB Attributes to an EFI Memory Capabilities mask\r
1994 //\r
1995 for (Capabilities = 0, Conversion = mAttributeConversionTable; Conversion->Attribute != 0; Conversion++) {\r
74705ca5 1996 if (Conversion->Memory || ((GcdMemoryType != EfiGcdMemoryTypeSystemMemory) && (GcdMemoryType != EfiGcdMemoryTypeMoreReliable))) {\r
28a00297 1997 if (Attributes & Conversion->Attribute) {\r
1998 Capabilities |= Conversion->Capability;\r
1999 }\r
2000 }\r
2001 }\r
022c6d45 2002\r
28a00297 2003 return Capabilities;\r
2004}\r
2005\r
28a00297 2006\r
162ed594 2007/**\r
c18f12d3 2008 External function. Initializes memory services based on the memory\r
2009 descriptor HOBs. This function is responsible for priming the memory\r
2010 map, so memory allocations and resource allocations can be made.\r
2011 The first part of this function can not depend on any memory services\r
2012 until at least one memory descriptor is provided to the memory services.\r
28a00297 2013\r
022c6d45 2014 @param HobStart The start address of the HOB.\r
2015 @param MemoryBaseAddress Start address of memory region found to init DXE\r
2016 core.\r
2017 @param MemoryLength Length of memory region found to init DXE core.\r
28a00297 2018\r
162ed594 2019 @retval EFI_SUCCESS Memory services successfully initialized.\r
28a00297 2020\r
162ed594 2021**/\r
2022EFI_STATUS\r
2023CoreInitializeMemoryServices (\r
2024 IN VOID **HobStart,\r
2025 OUT EFI_PHYSICAL_ADDRESS *MemoryBaseAddress,\r
2026 OUT UINT64 *MemoryLength\r
2027 )\r
28a00297 2028{\r
2029 EFI_PEI_HOB_POINTERS Hob;\r
2030 EFI_MEMORY_TYPE_INFORMATION *EfiMemoryTypeInformation;\r
2031 UINTN DataSize;\r
2032 BOOLEAN Found;\r
2033 EFI_HOB_HANDOFF_INFO_TABLE *PhitHob;\r
2034 EFI_HOB_RESOURCE_DESCRIPTOR *ResourceHob;\r
2035 EFI_HOB_RESOURCE_DESCRIPTOR *PhitResourceHob;\r
2036 EFI_PHYSICAL_ADDRESS BaseAddress;\r
2037 UINT64 Length;\r
2038 UINT64 Attributes;\r
2039 UINT64 Capabilities;\r
2040 EFI_PHYSICAL_ADDRESS MaxMemoryBaseAddress;\r
2041 UINT64 MaxMemoryLength;\r
2042 UINT64 MaxMemoryAttributes;\r
c4c085a2 2043 EFI_PHYSICAL_ADDRESS TestedMemoryBaseAddress;\r
2044 UINT64 TestedMemoryLength;\r
28a00297 2045 EFI_PHYSICAL_ADDRESS HighAddress;\r
28a00297 2046 EFI_HOB_GUID_TYPE *GuidHob;\r
54ea99a7 2047 UINT32 ReservedCodePageNumber;\r
28a00297 2048\r
2049 //\r
2050 // Point at the first HOB. This must be the PHIT HOB.\r
2051 //\r
2052 Hob.Raw = *HobStart;\r
2053 ASSERT (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_HANDOFF);\r
2054\r
2055 //\r
2056 // Initialize the spin locks and maps in the memory services.\r
2057 // Also fill in the memory services into the EFI Boot Services Table\r
2058 //\r
2059 CoreInitializePool ();\r
2060\r
2061 //\r
2062 // Initialize Local Variables\r
2063 //\r
2064 PhitResourceHob = NULL;\r
28a00297 2065 ResourceHob = NULL;\r
2066 BaseAddress = 0;\r
2067 Length = 0;\r
2068 Attributes = 0;\r
2069 MaxMemoryBaseAddress = 0;\r
2070 MaxMemoryLength = 0;\r
2071 MaxMemoryAttributes = 0;\r
2072\r
2073 //\r
2074 // Cache the PHIT HOB for later use\r
2075 //\r
2076 PhitHob = Hob.HandoffInformationTable;\r
54ea99a7 2077 \r
852081fc 2078 if (PcdGet64(PcdLoadModuleAtFixAddressEnable) != 0) {\r
54ea99a7 2079 ReservedCodePageNumber = PcdGet32(PcdLoadFixAddressRuntimeCodePageNumber);\r
2080 ReservedCodePageNumber += PcdGet32(PcdLoadFixAddressBootTimeCodePageNumber);\r
2081 \r
2082 //\r
2083 // cache the Top address for loading modules at Fixed Address \r
2084 //\r
2085 gLoadModuleAtFixAddressConfigurationTable.DxeCodeTopAddress = PhitHob->EfiMemoryTop \r
2086 + EFI_PAGES_TO_SIZE(ReservedCodePageNumber);\r
2087 }\r
28a00297 2088 //\r
2089 // See if a Memory Type Information HOB is available\r
2090 //\r
2091 GuidHob = GetFirstGuidHob (&gEfiMemoryTypeInformationGuid);\r
2092 if (GuidHob != NULL) {\r
2093 EfiMemoryTypeInformation = GET_GUID_HOB_DATA (GuidHob);\r
2094 DataSize = GET_GUID_HOB_DATA_SIZE (GuidHob);\r
2095 if (EfiMemoryTypeInformation != NULL && DataSize > 0 && DataSize <= (EfiMaxMemoryType + 1) * sizeof (EFI_MEMORY_TYPE_INFORMATION)) {\r
2096 CopyMem (&gMemoryTypeInformation, EfiMemoryTypeInformation, DataSize);\r
2097 }\r
2098 }\r
2099\r
2100 //\r
c4c085a2 2101 // Find the Resource Descriptor HOB that contains PHIT range EfiFreeMemoryBottom..EfiFreeMemoryTop\r
28a00297 2102 //\r
2103 Length = 0;\r
2104 Found = FALSE;\r
2105 for (Hob.Raw = *HobStart; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {\r
c4c085a2 2106 //\r
2107 // Skip all HOBs except Resource Descriptor HOBs\r
2108 //\r
2109 if (GET_HOB_TYPE (Hob) != EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {\r
2110 continue;\r
2111 }\r
28a00297 2112\r
c4c085a2 2113 //\r
2114 // Skip Resource Descriptor HOBs that do not describe tested system memory\r
2115 //\r
2116 ResourceHob = Hob.ResourceDescriptor;\r
2117 if (ResourceHob->ResourceType != EFI_RESOURCE_SYSTEM_MEMORY) {\r
2118 continue;\r
2119 }\r
2120 if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) != TESTED_MEMORY_ATTRIBUTES) {\r
2121 continue;\r
2122 }\r
2123\r
2124 //\r
2125 // Skip Resource Descriptor HOBs that do not contain the PHIT range EfiFreeMemoryBottom..EfiFreeMemoryTop\r
2126 //\r
2127 if (PhitHob->EfiFreeMemoryBottom < ResourceHob->PhysicalStart) {\r
2128 continue;\r
2129 }\r
2130 if (PhitHob->EfiFreeMemoryTop > (ResourceHob->PhysicalStart + ResourceHob->ResourceLength)) {\r
2131 continue;\r
2132 }\r
2133\r
2134 //\r
2135 // Cache the resource descriptor HOB for the memory region described by the PHIT HOB\r
2136 //\r
2137 PhitResourceHob = ResourceHob;\r
2138 Found = TRUE;\r
2139\r
2140 //\r
2141 // Compute range between PHIT EfiFreeMemoryTop and the end of the Resource Descriptor HOB\r
2142 //\r
2143 Attributes = PhitResourceHob->ResourceAttribute;\r
2144 BaseAddress = PageAlignAddress (PhitHob->EfiMemoryTop);\r
2145 Length = PageAlignLength (ResourceHob->PhysicalStart + ResourceHob->ResourceLength - BaseAddress);\r
2146 if (Length < MINIMUM_INITIAL_MEMORY_SIZE) {\r
2147 //\r
2148 // If that range is not large enough to intialize the DXE Core, then \r
2149 // Compute range between PHIT EfiFreeMemoryBottom and PHIT EfiFreeMemoryTop\r
2150 //\r
2151 BaseAddress = PageAlignAddress (PhitHob->EfiFreeMemoryBottom);\r
2152 Length = PageAlignLength (PhitHob->EfiFreeMemoryTop - BaseAddress);\r
2153 if (Length < MINIMUM_INITIAL_MEMORY_SIZE) {\r
2154 //\r
2155 // If that range is not large enough to intialize the DXE Core, then \r
2156 // Compute range between the start of the Resource Descriptor HOB and the start of the HOB List\r
2157 //\r
2158 BaseAddress = PageAlignAddress (ResourceHob->PhysicalStart);\r
2159 Length = PageAlignLength ((UINT64)((UINTN)*HobStart - BaseAddress));\r
28a00297 2160 }\r
2161 }\r
c4c085a2 2162 break;\r
28a00297 2163 }\r
2164\r
2165 //\r
2166 // Assert if a resource descriptor HOB for the memory region described by the PHIT was not found\r
2167 //\r
2168 ASSERT (Found);\r
2169\r
2170 //\r
2171 // Search all the resource descriptor HOBs from the highest possible addresses down for a memory\r
2172 // region that is big enough to initialize the DXE core. Always skip the PHIT Resource HOB.\r
2173 // The max address must be within the physically addressible range for the processor.\r
2174 //\r
c4c085a2 2175 HighAddress = MAX_ADDRESS;\r
2176 for (Hob.Raw = *HobStart; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {\r
28a00297 2177 //\r
c4c085a2 2178 // Skip the Resource Descriptor HOB that contains the PHIT\r
28a00297 2179 //\r
c4c085a2 2180 if (Hob.ResourceDescriptor == PhitResourceHob) {\r
2181 continue;\r
2182 }\r
2183 //\r
2184 // Skip all HOBs except Resource Descriptor HOBs\r
2185 //\r
2186 if (GET_HOB_TYPE (Hob) != EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {\r
2187 continue;\r
2188 }\r
28a00297 2189\r
c4c085a2 2190 //\r
2191 // Skip Resource Descriptor HOBs that do not describe tested system memory below MAX_ADDRESS\r
2192 //\r
2193 ResourceHob = Hob.ResourceDescriptor;\r
2194 if (ResourceHob->ResourceType != EFI_RESOURCE_SYSTEM_MEMORY) {\r
2195 continue;\r
28a00297 2196 }\r
c4c085a2 2197 if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) != TESTED_MEMORY_ATTRIBUTES) {\r
2198 continue;\r
2199 }\r
2200 if ((ResourceHob->PhysicalStart + ResourceHob->ResourceLength) > (EFI_PHYSICAL_ADDRESS)MAX_ADDRESS) {\r
2201 continue;\r
28a00297 2202 }\r
c4c085a2 2203 \r
2204 //\r
2205 // Skip Resource Descriptor HOBs that are below a previously found Resource Descriptor HOB\r
2206 //\r
2207 if (HighAddress != (EFI_PHYSICAL_ADDRESS)MAX_ADDRESS && ResourceHob->PhysicalStart <= HighAddress) {\r
2208 continue;\r
2209 }\r
2210\r
2211 //\r
2212 // Skip Resource Descriptor HOBs that are not large enough to initilize the DXE Core\r
2213 //\r
2214 TestedMemoryBaseAddress = PageAlignAddress (ResourceHob->PhysicalStart);\r
2215 TestedMemoryLength = PageAlignLength (ResourceHob->PhysicalStart + ResourceHob->ResourceLength - TestedMemoryBaseAddress);\r
2216 if (TestedMemoryLength < MINIMUM_INITIAL_MEMORY_SIZE) {\r
2217 continue;\r
2218 }\r
2219 \r
2220 //\r
2221 // Save the Resource Descriptor HOB context that is large enough to initilize the DXE Core\r
2222 //\r
2223 MaxMemoryBaseAddress = TestedMemoryBaseAddress;\r
2224 MaxMemoryLength = TestedMemoryLength;\r
2225 MaxMemoryAttributes = ResourceHob->ResourceAttribute; \r
2226 HighAddress = ResourceHob->PhysicalStart;\r
2227 }\r
28a00297 2228\r
c4c085a2 2229 //\r
2230 // If Length is not large enough to initialize the DXE Core or a Resource \r
2231 // Descriptor HOB was found above the PHIT HOB that is large enough to initialize \r
2232 // the DXE Core, then use the range described by the Resource Descriptor \r
2233 // HOB that was found above the PHIT HOB.\r
2234 //\r
e94a9ff7 2235 if ((Length < MINIMUM_INITIAL_MEMORY_SIZE) ||\r
2236 (MaxMemoryBaseAddress > BaseAddress && MaxMemoryLength >= MINIMUM_INITIAL_MEMORY_SIZE)) {\r
28a00297 2237 BaseAddress = MaxMemoryBaseAddress;\r
2238 Length = MaxMemoryLength;\r
2239 Attributes = MaxMemoryAttributes;\r
2240 }\r
2241\r
2242 //\r
2243 // If no memory regions are found that are big enough to initialize the DXE core, then ASSERT().\r
2244 //\r
2245 ASSERT (Length >= MINIMUM_INITIAL_MEMORY_SIZE);\r
2246\r
2247 //\r
2248 // Convert the Resource HOB Attributes to an EFI Memory Capabilities mask\r
2249 //\r
74705ca5
SZ
2250 if ((Attributes & EFI_RESOURCE_ATTRIBUTE_MORE_RELIABLE) == EFI_RESOURCE_ATTRIBUTE_MORE_RELIABLE) {\r
2251 Capabilities = CoreConvertResourceDescriptorHobAttributesToCapabilities (EfiGcdMemoryTypeMoreReliable, Attributes);\r
2252 } else {\r
2253 Capabilities = CoreConvertResourceDescriptorHobAttributesToCapabilities (EfiGcdMemoryTypeSystemMemory, Attributes);\r
2254 }\r
28a00297 2255\r
2256 //\r
2257 // Declare the very first memory region, so the EFI Memory Services are available.\r
2258 //\r
2259 CoreAddMemoryDescriptor (\r
2260 EfiConventionalMemory,\r
2261 BaseAddress,\r
2262 RShiftU64 (Length, EFI_PAGE_SHIFT),\r
2263 Capabilities\r
2264 );\r
2265\r
2266 *MemoryBaseAddress = BaseAddress;\r
2267 *MemoryLength = Length;\r
2268\r
2269 return EFI_SUCCESS;\r
2270}\r
2271\r
28a00297 2272\r
162ed594 2273/**\r
2274 External function. Initializes the GCD and memory services based on the memory\r
28a00297 2275 descriptor HOBs. This function is responsible for priming the GCD map and the\r
c18f12d3 2276 memory map, so memory allocations and resource allocations can be made. The\r
2277 HobStart will be relocated to a pool buffer.\r
28a00297 2278\r
022c6d45 2279 @param HobStart The start address of the HOB\r
2280 @param MemoryBaseAddress Start address of memory region found to init DXE\r
2281 core.\r
2282 @param MemoryLength Length of memory region found to init DXE core.\r
28a00297 2283\r
162ed594 2284 @retval EFI_SUCCESS GCD services successfully initialized.\r
28a00297 2285\r
162ed594 2286**/\r
2287EFI_STATUS\r
2288CoreInitializeGcdServices (\r
e94a9ff7 2289 IN OUT VOID **HobStart,\r
162ed594 2290 IN EFI_PHYSICAL_ADDRESS MemoryBaseAddress,\r
2291 IN UINT64 MemoryLength\r
2292 )\r
28a00297 2293{\r
e94a9ff7 2294 EFI_PEI_HOB_POINTERS Hob;\r
28a00297 2295 VOID *NewHobList;\r
e94a9ff7 2296 EFI_HOB_HANDOFF_INFO_TABLE *PhitHob;\r
28a00297 2297 UINT8 SizeOfMemorySpace;\r
2298 UINT8 SizeOfIoSpace;\r
2299 EFI_HOB_RESOURCE_DESCRIPTOR *ResourceHob;\r
2300 EFI_PHYSICAL_ADDRESS BaseAddress;\r
2301 UINT64 Length;\r
2302 EFI_STATUS Status;\r
2303 EFI_GCD_MAP_ENTRY *Entry;\r
2304 EFI_GCD_MEMORY_TYPE GcdMemoryType;\r
2305 EFI_GCD_IO_TYPE GcdIoType;\r
2306 EFI_GCD_MEMORY_SPACE_DESCRIPTOR Descriptor;\r
2307 EFI_HOB_MEMORY_ALLOCATION *MemoryHob;\r
2308 EFI_HOB_FIRMWARE_VOLUME *FirmwareVolumeHob;\r
2309 UINTN NumberOfDescriptors;\r
2310 EFI_GCD_MEMORY_SPACE_DESCRIPTOR *MemorySpaceMap;\r
2311 UINTN Index;\r
2312 UINT64 Capabilities;\r
2313 EFI_HOB_CPU * CpuHob;\r
a46bbdd3 2314 EFI_GCD_MEMORY_SPACE_DESCRIPTOR *MemorySpaceMapHobList;\r
e94a9ff7 2315\r
28a00297 2316 //\r
2317 // Cache the PHIT HOB for later use\r
2318 //\r
2319 PhitHob = (EFI_HOB_HANDOFF_INFO_TABLE *)(*HobStart);\r
2320\r
2321 //\r
2322 // Get the number of address lines in the I/O and Memory space for the CPU\r
2323 //\r
2324 CpuHob = GetFirstHob (EFI_HOB_TYPE_CPU);\r
2325 ASSERT (CpuHob != NULL);\r
2326 SizeOfMemorySpace = CpuHob->SizeOfMemorySpace;\r
2327 SizeOfIoSpace = CpuHob->SizeOfIoSpace;\r
022c6d45 2328\r
28a00297 2329 //\r
2330 // Initialize the GCD Memory Space Map\r
2331 //\r
9c4ac31c 2332 Entry = AllocateCopyPool (sizeof (EFI_GCD_MAP_ENTRY), &mGcdMemorySpaceMapEntryTemplate);\r
28a00297 2333 ASSERT (Entry != NULL);\r
2334\r
2335 Entry->EndAddress = LShiftU64 (1, SizeOfMemorySpace) - 1;\r
2336\r
2337 InsertHeadList (&mGcdMemorySpaceMap, &Entry->Link);\r
2338\r
aa927cae 2339 CoreDumpGcdMemorySpaceMap (TRUE);\r
f9d1f97c 2340 \r
28a00297 2341 //\r
2342 // Initialize the GCD I/O Space Map\r
2343 //\r
9c4ac31c 2344 Entry = AllocateCopyPool (sizeof (EFI_GCD_MAP_ENTRY), &mGcdIoSpaceMapEntryTemplate);\r
28a00297 2345 ASSERT (Entry != NULL);\r
2346\r
2347 Entry->EndAddress = LShiftU64 (1, SizeOfIoSpace) - 1;\r
2348\r
2349 InsertHeadList (&mGcdIoSpaceMap, &Entry->Link);\r
2350\r
aa927cae 2351 CoreDumpGcdIoSpaceMap (TRUE);\r
f9d1f97c 2352 \r
28a00297 2353 //\r
022c6d45 2354 // Walk the HOB list and add all resource descriptors to the GCD\r
28a00297 2355 //\r
2356 for (Hob.Raw = *HobStart; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {\r
2357\r
2358 GcdMemoryType = EfiGcdMemoryTypeNonExistent;\r
2359 GcdIoType = EfiGcdIoTypeNonExistent;\r
2360\r
2361 if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {\r
2362\r
2363 ResourceHob = Hob.ResourceDescriptor;\r
2364\r
2365 switch (ResourceHob->ResourceType) {\r
2366 case EFI_RESOURCE_SYSTEM_MEMORY:\r
2367 if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) == TESTED_MEMORY_ATTRIBUTES) {\r
74705ca5
SZ
2368 if ((ResourceHob->ResourceAttribute & EFI_RESOURCE_ATTRIBUTE_MORE_RELIABLE) == EFI_RESOURCE_ATTRIBUTE_MORE_RELIABLE) {\r
2369 GcdMemoryType = EfiGcdMemoryTypeMoreReliable;\r
2370 } else {\r
2371 GcdMemoryType = EfiGcdMemoryTypeSystemMemory;\r
2372 }\r
28a00297 2373 }\r
2374 if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) == INITIALIZED_MEMORY_ATTRIBUTES) {\r
2375 GcdMemoryType = EfiGcdMemoryTypeReserved;\r
2376 }\r
2377 if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) == PRESENT_MEMORY_ATTRIBUTES) {\r
2378 GcdMemoryType = EfiGcdMemoryTypeReserved;\r
2379 }\r
a671a012
LG
2380 if ((ResourceHob->ResourceAttribute & EFI_RESOURCE_ATTRIBUTE_PERSISTENT) == EFI_RESOURCE_ATTRIBUTE_PERSISTENT) {\r
2381 GcdMemoryType = EfiGcdMemoryTypePersistentMemory;\r
2382 }\r
28a00297 2383 break;\r
2384 case EFI_RESOURCE_MEMORY_MAPPED_IO:\r
2385 case EFI_RESOURCE_FIRMWARE_DEVICE:\r
2386 GcdMemoryType = EfiGcdMemoryTypeMemoryMappedIo;\r
2387 break;\r
2388 case EFI_RESOURCE_MEMORY_MAPPED_IO_PORT:\r
2389 case EFI_RESOURCE_MEMORY_RESERVED:\r
2390 GcdMemoryType = EfiGcdMemoryTypeReserved;\r
2391 break;\r
2392 case EFI_RESOURCE_IO:\r
2393 GcdIoType = EfiGcdIoTypeIo;\r
2394 break;\r
2395 case EFI_RESOURCE_IO_RESERVED:\r
2396 GcdIoType = EfiGcdIoTypeReserved;\r
2397 break;\r
2398 }\r
2399\r
2400 if (GcdMemoryType != EfiGcdMemoryTypeNonExistent) {\r
d12a2ecb 2401 //\r
2402 // Validate the Resource HOB Attributes\r
2403 //\r
2404 CoreValidateResourceDescriptorHobAttributes (ResourceHob->ResourceAttribute);\r
2405\r
28a00297 2406 //\r
2407 // Convert the Resource HOB Attributes to an EFI Memory Capabilities mask\r
2408 //\r
2409 Capabilities = CoreConvertResourceDescriptorHobAttributesToCapabilities (\r
2410 GcdMemoryType,\r
2411 ResourceHob->ResourceAttribute\r
2412 );\r
2413\r
2414 Status = CoreInternalAddMemorySpace (\r
2415 GcdMemoryType,\r
2416 ResourceHob->PhysicalStart,\r
2417 ResourceHob->ResourceLength,\r
2418 Capabilities\r
2419 );\r
2420 }\r
2421\r
2422 if (GcdIoType != EfiGcdIoTypeNonExistent) {\r
2423 Status = CoreAddIoSpace (\r
2424 GcdIoType,\r
2425 ResourceHob->PhysicalStart,\r
2426 ResourceHob->ResourceLength\r
2427 );\r
2428 }\r
2429 }\r
2430 }\r
2431\r
2432 //\r
2433 // Allocate first memory region from the GCD by the DXE core\r
2434 //\r
74705ca5
SZ
2435 Status = CoreGetMemorySpaceDescriptor (MemoryBaseAddress, &Descriptor);\r
2436 if (!EFI_ERROR (Status)) {\r
2437 ASSERT ((Descriptor.GcdMemoryType == EfiGcdMemoryTypeSystemMemory) ||\r
2438 (Descriptor.GcdMemoryType == EfiGcdMemoryTypeMoreReliable));\r
2439 Status = CoreAllocateMemorySpace (\r
2440 EfiGcdAllocateAddress,\r
2441 Descriptor.GcdMemoryType,\r
2442 0,\r
2443 MemoryLength,\r
2444 &MemoryBaseAddress,\r
2445 gDxeCoreImageHandle,\r
2446 NULL\r
2447 );\r
2448 }\r
28a00297 2449\r
2450 //\r
2451 // Walk the HOB list and allocate all memory space that is consumed by memory allocation HOBs,\r
2452 // and Firmware Volume HOBs. Also update the EFI Memory Map with the memory allocation HOBs.\r
2453 //\r
2454 for (Hob.Raw = *HobStart; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {\r
2455 if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_MEMORY_ALLOCATION) {\r
2456 MemoryHob = Hob.MemoryAllocation;\r
2457 BaseAddress = MemoryHob->AllocDescriptor.MemoryBaseAddress;\r
f942f107 2458 Status = CoreGetMemorySpaceDescriptor (BaseAddress, &Descriptor);\r
28a00297 2459 if (!EFI_ERROR (Status)) {\r
f942f107 2460 Status = CoreAllocateMemorySpace (\r
2461 EfiGcdAllocateAddress,\r
022c6d45 2462 Descriptor.GcdMemoryType,\r
f942f107 2463 0,\r
2464 MemoryHob->AllocDescriptor.MemoryLength,\r
2465 &BaseAddress,\r
2466 gDxeCoreImageHandle,\r
2467 NULL\r
2468 );\r
74705ca5
SZ
2469 if (!EFI_ERROR (Status) &&\r
2470 ((Descriptor.GcdMemoryType == EfiGcdMemoryTypeSystemMemory) ||\r
2471 (Descriptor.GcdMemoryType == EfiGcdMemoryTypeMoreReliable))) {\r
28a00297 2472 CoreAddMemoryDescriptor (\r
2473 MemoryHob->AllocDescriptor.MemoryType,\r
2474 MemoryHob->AllocDescriptor.MemoryBaseAddress,\r
2475 RShiftU64 (MemoryHob->AllocDescriptor.MemoryLength, EFI_PAGE_SHIFT),\r
2476 Descriptor.Capabilities & (~EFI_MEMORY_RUNTIME)\r
2477 );\r
2478 }\r
2479 }\r
2480 }\r
2481\r
2482 if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_FV) {\r
2483 FirmwareVolumeHob = Hob.FirmwareVolume;\r
2484 BaseAddress = FirmwareVolumeHob->BaseAddress;\r
2485 Status = CoreAllocateMemorySpace (\r
2486 EfiGcdAllocateAddress,\r
022c6d45 2487 EfiGcdMemoryTypeMemoryMappedIo,\r
28a00297 2488 0,\r
2489 FirmwareVolumeHob->Length,\r
2490 &BaseAddress,\r
2491 gDxeCoreImageHandle,\r
2492 NULL\r
2493 );\r
2494 }\r
2495 }\r
2496\r
28a00297 2497 //\r
2498 // Add and allocate the remaining unallocated system memory to the memory services.\r
2499 //\r
2500 Status = CoreGetMemorySpaceMap (&NumberOfDescriptors, &MemorySpaceMap);\r
311a71b2 2501 ASSERT (Status == EFI_SUCCESS);\r
2502\r
a46bbdd3 2503 MemorySpaceMapHobList = NULL;\r
28a00297 2504 for (Index = 0; Index < NumberOfDescriptors; Index++) {\r
74705ca5
SZ
2505 if ((MemorySpaceMap[Index].GcdMemoryType == EfiGcdMemoryTypeSystemMemory) ||\r
2506 (MemorySpaceMap[Index].GcdMemoryType == EfiGcdMemoryTypeMoreReliable)) {\r
28a00297 2507 if (MemorySpaceMap[Index].ImageHandle == NULL) {\r
2508 BaseAddress = PageAlignAddress (MemorySpaceMap[Index].BaseAddress);\r
2509 Length = PageAlignLength (MemorySpaceMap[Index].BaseAddress + MemorySpaceMap[Index].Length - BaseAddress);\r
383c303c 2510 if (Length == 0 || MemorySpaceMap[Index].BaseAddress + MemorySpaceMap[Index].Length < BaseAddress) {\r
2511 continue;\r
2512 }\r
a46bbdd3
SZ
2513 if (((UINTN) MemorySpaceMap[Index].BaseAddress <= (UINTN) (*HobStart)) &&\r
2514 ((UINTN) (MemorySpaceMap[Index].BaseAddress + MemorySpaceMap[Index].Length) >= (UINTN) PhitHob->EfiFreeMemoryBottom)) {\r
2515 //\r
2516 // Skip the memory space that covers HOB List, it should be processed\r
2517 // after HOB List relocation to avoid the resources allocated by others\r
2518 // to corrupt HOB List before its relocation.\r
2519 //\r
2520 MemorySpaceMapHobList = &MemorySpaceMap[Index];\r
2521 continue;\r
2522 }\r
28a00297 2523 CoreAddMemoryDescriptor (\r
2524 EfiConventionalMemory,\r
2525 BaseAddress,\r
2526 RShiftU64 (Length, EFI_PAGE_SHIFT),\r
2527 MemorySpaceMap[Index].Capabilities & (~EFI_MEMORY_RUNTIME)\r
2528 );\r
2529 Status = CoreAllocateMemorySpace (\r
2530 EfiGcdAllocateAddress,\r
74705ca5 2531 MemorySpaceMap[Index].GcdMemoryType,\r
28a00297 2532 0,\r
2533 Length,\r
2534 &BaseAddress,\r
2535 gDxeCoreImageHandle,\r
2536 NULL\r
2537 );\r
2538 }\r
2539 }\r
2540 }\r
a46bbdd3
SZ
2541\r
2542 //\r
2543 // Relocate HOB List to an allocated pool buffer.\r
2544 // The relocation should be at after all the tested memory resources added\r
2545 // (except the memory space that covers HOB List) to the memory services,\r
2546 // because the memory resource found in CoreInitializeMemoryServices()\r
2547 // may have not enough remaining resource for HOB List.\r
2548 //\r
2549 NewHobList = AllocateCopyPool (\r
2550 (UINTN) PhitHob->EfiFreeMemoryBottom - (UINTN) (*HobStart),\r
2551 *HobStart\r
2552 );\r
2553 ASSERT (NewHobList != NULL);\r
2554\r
2555 *HobStart = NewHobList;\r
2556 gHobList = NewHobList;\r
2557\r
2558 if (MemorySpaceMapHobList != NULL) {\r
2559 //\r
2560 // Add and allocate the memory space that covers HOB List to the memory services\r
2561 // after HOB List relocation.\r
2562 //\r
2563 BaseAddress = PageAlignAddress (MemorySpaceMapHobList->BaseAddress);\r
2564 Length = PageAlignLength (MemorySpaceMapHobList->BaseAddress + MemorySpaceMapHobList->Length - BaseAddress);\r
2565 CoreAddMemoryDescriptor (\r
2566 EfiConventionalMemory,\r
2567 BaseAddress,\r
2568 RShiftU64 (Length, EFI_PAGE_SHIFT),\r
2569 MemorySpaceMapHobList->Capabilities & (~EFI_MEMORY_RUNTIME)\r
2570 );\r
2571 Status = CoreAllocateMemorySpace (\r
2572 EfiGcdAllocateAddress,\r
2573 MemorySpaceMapHobList->GcdMemoryType,\r
2574 0,\r
2575 Length,\r
2576 &BaseAddress,\r
2577 gDxeCoreImageHandle,\r
2578 NULL\r
2579 );\r
2580 }\r
2581\r
28a00297 2582 CoreFreePool (MemorySpaceMap);\r
2583\r
2584 return EFI_SUCCESS;\r
2585}\r