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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 |
f9d1f97c | 6 | Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>\r |
cd5ebaa0 | 7 | This program and the accompanying materials\r |
23c98c94 | 8 | are licensed and made available under the terms and conditions of the BSD License\r |
9 | which accompanies this distribution. The full text of the license may be found at\r | |
10 | http://opensource.org/licenses/bsd-license.php\r | |
11 | \r | |
12 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
13 | WITHOUT 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 | |
28 | EFI_RESOURCE_ATTRIBUTE_16_BIT_IO | \\r | |
29 | EFI_RESOURCE_ATTRIBUTE_32_BIT_IO | \\r | |
022c6d45 | 30 | EFI_RESOURCE_ATTRIBUTE_64_BIT_IO )\r |
28a00297 | 31 | \r |
32 | #define TESTED_MEMORY_ATTRIBUTES (EFI_RESOURCE_ATTRIBUTE_PRESENT | \\r | |
33 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED | \\r | |
34 | EFI_RESOURCE_ATTRIBUTE_TESTED )\r | |
35 | \r | |
36 | #define INITIALIZED_MEMORY_ATTRIBUTES (EFI_RESOURCE_ATTRIBUTE_PRESENT | \\r | |
37 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED )\r | |
38 | \r | |
39 | #define PRESENT_MEMORY_ATTRIBUTES (EFI_RESOURCE_ATTRIBUTE_PRESENT)\r | |
40 | \r | |
41 | #define INVALID_CPU_ARCH_ATTRIBUTES 0xffffffff\r | |
42 | \r | |
43 | //\r | |
44 | // Module Variables\r | |
45 | //\r | |
46 | EFI_LOCK mGcdMemorySpaceLock = EFI_INITIALIZE_LOCK_VARIABLE (TPL_NOTIFY);\r | |
47 | EFI_LOCK mGcdIoSpaceLock = EFI_INITIALIZE_LOCK_VARIABLE (TPL_NOTIFY);\r | |
48 | LIST_ENTRY mGcdMemorySpaceMap = INITIALIZE_LIST_HEAD_VARIABLE (mGcdMemorySpaceMap);\r | |
49 | LIST_ENTRY mGcdIoSpaceMap = INITIALIZE_LIST_HEAD_VARIABLE (mGcdIoSpaceMap);\r | |
50 | \r | |
51 | EFI_GCD_MAP_ENTRY mGcdMemorySpaceMapEntryTemplate = {\r | |
52 | EFI_GCD_MAP_SIGNATURE,\r | |
022c6d45 | 53 | {\r |
e94a9ff7 | 54 | NULL,\r |
55 | NULL\r | |
56 | },\r | |
28a00297 | 57 | 0,\r |
58 | 0,\r | |
59 | 0,\r | |
60 | 0,\r | |
61 | EfiGcdMemoryTypeNonExistent,\r | |
62 | (EFI_GCD_IO_TYPE) 0,\r | |
63 | NULL,\r | |
64 | NULL\r | |
65 | };\r | |
66 | \r | |
67 | EFI_GCD_MAP_ENTRY mGcdIoSpaceMapEntryTemplate = {\r | |
68 | EFI_GCD_MAP_SIGNATURE,\r | |
e94a9ff7 | 69 | {\r |
70 | NULL,\r | |
71 | NULL\r | |
72 | },\r | |
28a00297 | 73 | 0,\r |
74 | 0,\r | |
75 | 0,\r | |
76 | 0,\r | |
77 | (EFI_GCD_MEMORY_TYPE) 0,\r | |
78 | EfiGcdIoTypeNonExistent,\r | |
79 | NULL,\r | |
80 | NULL\r | |
81 | };\r | |
82 | \r | |
83 | GCD_ATTRIBUTE_CONVERSION_ENTRY mAttributeConversionTable[] = {\r | |
84 | { EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE, EFI_MEMORY_UC, TRUE },\r | |
022c6d45 | 85 | { EFI_RESOURCE_ATTRIBUTE_UNCACHED_EXPORTED, EFI_MEMORY_UCE, TRUE },\r |
28a00297 | 86 | { EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE, EFI_MEMORY_WC, TRUE },\r |
87 | { EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE, EFI_MEMORY_WT, TRUE },\r | |
88 | { EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE, EFI_MEMORY_WB, TRUE },\r | |
89 | { EFI_RESOURCE_ATTRIBUTE_READ_PROTECTED, EFI_MEMORY_RP, TRUE },\r | |
90 | { EFI_RESOURCE_ATTRIBUTE_WRITE_PROTECTED, EFI_MEMORY_WP, TRUE },\r | |
91 | { EFI_RESOURCE_ATTRIBUTE_EXECUTION_PROTECTED, EFI_MEMORY_XP, TRUE },\r | |
92 | { EFI_RESOURCE_ATTRIBUTE_PRESENT, EFI_MEMORY_PRESENT, FALSE },\r | |
93 | { EFI_RESOURCE_ATTRIBUTE_INITIALIZED, EFI_MEMORY_INITIALIZED, FALSE },\r | |
94 | { EFI_RESOURCE_ATTRIBUTE_TESTED, EFI_MEMORY_TESTED, FALSE },\r | |
e94a9ff7 | 95 | { 0, 0, FALSE }\r |
28a00297 | 96 | };\r |
97 | \r | |
f9d1f97c | 98 | ///\r |
99 | /// Lookup table used to print GCD Memory Space Map\r | |
100 | ///\r | |
101 | GLOBAL_REMOVE_IF_UNREFERENCED CONST CHAR8 *mGcdMemoryTypeNames[] = {\r | |
102 | "NonExist ", // EfiGcdMemoryTypeNonExistent\r | |
103 | "Reserved ", // EfiGcdMemoryTypeReserved\r | |
104 | "SystemMem", // EfiGcdMemoryTypeSystemMemory\r | |
105 | "MMIO ", // EfiGcdMemoryTypeMemoryMappedIo\r | |
106 | "Unknown " // EfiGcdMemoryTypeMaximum\r | |
107 | };\r | |
108 | \r | |
109 | ///\r | |
110 | /// Lookup table used to print GCD I/O Space Map\r | |
111 | ///\r | |
112 | GLOBAL_REMOVE_IF_UNREFERENCED CONST CHAR8 *mGcdIoTypeNames[] = {\r | |
113 | "NonExist", // EfiGcdIoTypeNonExistent\r | |
114 | "Reserved", // EfiGcdIoTypeReserved\r | |
115 | "I/O ", // EfiGcdIoTypeIo\r | |
116 | "Unknown " // EfiGcdIoTypeMaximum \r | |
117 | };\r | |
118 | \r | |
119 | ///\r | |
120 | /// Lookup table used to print GCD Allocation Types\r | |
121 | ///\r | |
122 | GLOBAL_REMOVE_IF_UNREFERENCED CONST CHAR8 *mGcdAllocationTypeNames[] = {\r | |
123 | "AnySearchBottomUp ", // EfiGcdAllocateAnySearchBottomUp\r | |
124 | "MaxAddressSearchBottomUp ", // EfiGcdAllocateMaxAddressSearchBottomUp\r | |
125 | "AtAddress ", // EfiGcdAllocateAddress\r | |
126 | "AnySearchTopDown ", // EfiGcdAllocateAnySearchTopDown\r | |
127 | "MaxAddressSearchTopDown ", // EfiGcdAllocateMaxAddressSearchTopDown\r | |
128 | "Unknown " // EfiGcdMaxAllocateType\r | |
129 | };\r | |
130 | \r | |
131 | /**\r | |
132 | Dump the entire contents if the GCD Memory Space Map using DEBUG() macros when\r | |
133 | PcdDebugPrintErrorLevel has the DEBUG_GCD bit set.\r | |
134 | \r | |
aa927cae | 135 | @param InitialMap TRUE if the initial GCD Memory Map is being dumped. Otherwise, FALSE.\r |
136 | \r | |
f9d1f97c | 137 | **/\r |
138 | VOID\r | |
139 | EFIAPI\r | |
140 | CoreDumpGcdMemorySpaceMap (\r | |
aa927cae | 141 | BOOLEAN InitialMap\r |
f9d1f97c | 142 | )\r |
143 | {\r | |
aa927cae | 144 | DEBUG_CODE (\r |
145 | EFI_STATUS Status;\r | |
146 | UINTN NumberOfDescriptors;\r | |
147 | EFI_GCD_MEMORY_SPACE_DESCRIPTOR *MemorySpaceMap;\r | |
148 | UINTN Index;\r | |
149 | \r | |
150 | Status = CoreGetMemorySpaceMap (&NumberOfDescriptors, &MemorySpaceMap);\r | |
151 | ASSERT_EFI_ERROR (Status);\r | |
152 | \r | |
153 | if (InitialMap) {\r | |
154 | DEBUG ((DEBUG_GCD, "GCD:Initial GCD Memory Space Map\n"));\r | |
155 | }\r | |
156 | DEBUG ((DEBUG_GCD, "GCDMemType Range Capabilities Attributes \n"));\r | |
157 | DEBUG ((DEBUG_GCD, "========== ================================= ================ ================\n"));\r | |
158 | for (Index = 0; Index < NumberOfDescriptors; Index++) {\r | |
159 | DEBUG ((DEBUG_GCD, "%a %016lx-%016lx %016lx %016lx%c\n", \r | |
160 | mGcdMemoryTypeNames[MIN (MemorySpaceMap[Index].GcdMemoryType, EfiGcdMemoryTypeMaximum)],\r | |
161 | MemorySpaceMap[Index].BaseAddress, \r | |
162 | MemorySpaceMap[Index].BaseAddress + MemorySpaceMap[Index].Length - 1,\r | |
163 | MemorySpaceMap[Index].Capabilities, \r | |
164 | MemorySpaceMap[Index].Attributes,\r | |
165 | MemorySpaceMap[Index].ImageHandle == NULL ? ' ' : '*'\r | |
166 | ));\r | |
167 | }\r | |
168 | DEBUG ((DEBUG_GCD, "\n"));\r | |
169 | FreePool (MemorySpaceMap);\r | |
170 | );\r | |
f9d1f97c | 171 | }\r |
172 | \r | |
173 | /**\r | |
174 | Dump the entire contents if the GCD I/O Space Map using DEBUG() macros when \r | |
175 | PcdDebugPrintErrorLevel has the DEBUG_GCD bit set.\r | |
176 | \r | |
aa927cae | 177 | @param InitialMap TRUE if the initial GCD I/O Map is being dumped. Otherwise, FALSE.\r |
178 | \r | |
f9d1f97c | 179 | **/\r |
180 | VOID\r | |
181 | EFIAPI\r | |
182 | CoreDumpGcdIoSpaceMap (\r | |
aa927cae | 183 | BOOLEAN InitialMap\r |
f9d1f97c | 184 | )\r |
185 | {\r | |
aa927cae | 186 | DEBUG_CODE (\r |
187 | EFI_STATUS Status;\r | |
188 | UINTN NumberOfDescriptors;\r | |
189 | EFI_GCD_IO_SPACE_DESCRIPTOR *IoSpaceMap;\r | |
190 | UINTN Index;\r | |
191 | \r | |
192 | Status = CoreGetIoSpaceMap (&NumberOfDescriptors, &IoSpaceMap);\r | |
193 | ASSERT_EFI_ERROR (Status);\r | |
194 | \r | |
195 | if (InitialMap) {\r | |
196 | DEBUG ((DEBUG_GCD, "GCD:Initial GCD I/O Space Map\n"));\r | |
197 | } \r | |
198 | \r | |
199 | DEBUG ((DEBUG_GCD, "GCDIoType Range \n"));\r | |
200 | DEBUG ((DEBUG_GCD, "========== =================================\n"));\r | |
201 | for (Index = 0; Index < NumberOfDescriptors; Index++) {\r | |
202 | DEBUG ((DEBUG_GCD, "%a %016lx-%016lx%c\n", \r | |
203 | mGcdIoTypeNames[MIN (IoSpaceMap[Index].GcdIoType, EfiGcdIoTypeMaximum)],\r | |
204 | IoSpaceMap[Index].BaseAddress, \r | |
205 | IoSpaceMap[Index].BaseAddress + IoSpaceMap[Index].Length - 1,\r | |
206 | IoSpaceMap[Index].ImageHandle == NULL ? ' ' : '*'\r | |
207 | ));\r | |
208 | }\r | |
209 | DEBUG ((DEBUG_GCD, "\n"));\r | |
210 | FreePool (IoSpaceMap);\r | |
211 | );\r | |
f9d1f97c | 212 | }\r |
213 | \r | |
214 | \r | |
162ed594 | 215 | \r |
216 | /**\r | |
217 | Acquire memory lock on mGcdMemorySpaceLock.\r | |
218 | \r | |
219 | **/\r | |
28a00297 | 220 | VOID\r |
221 | CoreAcquireGcdMemoryLock (\r | |
222 | VOID\r | |
223 | )\r | |
28a00297 | 224 | {\r |
225 | CoreAcquireLock (&mGcdMemorySpaceLock);\r | |
226 | }\r | |
227 | \r | |
228 | \r | |
162ed594 | 229 | \r |
230 | /**\r | |
231 | Release memory lock on mGcdMemorySpaceLock.\r | |
232 | \r | |
233 | **/\r | |
28a00297 | 234 | VOID\r |
235 | CoreReleaseGcdMemoryLock (\r | |
236 | VOID\r | |
237 | )\r | |
28a00297 | 238 | {\r |
239 | CoreReleaseLock (&mGcdMemorySpaceLock);\r | |
240 | }\r | |
241 | \r | |
242 | \r | |
162ed594 | 243 | \r |
244 | /**\r | |
245 | Acquire memory lock on mGcdIoSpaceLock.\r | |
246 | \r | |
247 | **/\r | |
28a00297 | 248 | VOID\r |
249 | CoreAcquireGcdIoLock (\r | |
250 | VOID\r | |
251 | )\r | |
28a00297 | 252 | {\r |
253 | CoreAcquireLock (&mGcdIoSpaceLock);\r | |
254 | }\r | |
255 | \r | |
162ed594 | 256 | \r |
257 | /**\r | |
258 | Release memory lock on mGcdIoSpaceLock.\r | |
259 | \r | |
260 | **/\r | |
28a00297 | 261 | VOID\r |
262 | CoreReleaseGcdIoLock (\r | |
263 | VOID\r | |
264 | )\r | |
28a00297 | 265 | {\r |
266 | CoreReleaseLock (&mGcdIoSpaceLock);\r | |
267 | }\r | |
268 | \r | |
269 | \r | |
270 | \r | |
271 | //\r | |
272 | // GCD Initialization Worker Functions\r | |
273 | //\r | |
162ed594 | 274 | /**\r |
275 | Aligns a value to the specified boundary.\r | |
276 | \r | |
022c6d45 | 277 | @param Value 64 bit value to align\r |
278 | @param Alignment Log base 2 of the boundary to align Value to\r | |
279 | @param RoundUp TRUE if Value is to be rounded up to the nearest\r | |
280 | aligned boundary. FALSE is Value is to be\r | |
281 | rounded down to the nearest aligned boundary.\r | |
162ed594 | 282 | \r |
283 | @return A 64 bit value is the aligned to the value nearest Value with an alignment by Alignment.\r | |
284 | \r | |
285 | **/\r | |
28a00297 | 286 | UINT64\r |
287 | AlignValue (\r | |
288 | IN UINT64 Value,\r | |
289 | IN UINTN Alignment,\r | |
290 | IN BOOLEAN RoundUp\r | |
291 | )\r | |
28a00297 | 292 | {\r |
293 | UINT64 AlignmentMask;\r | |
294 | \r | |
295 | AlignmentMask = LShiftU64 (1, Alignment) - 1;\r | |
296 | if (RoundUp) {\r | |
297 | Value += AlignmentMask;\r | |
298 | }\r | |
299 | return Value & (~AlignmentMask);\r | |
300 | }\r | |
301 | \r | |
28a00297 | 302 | \r |
162ed594 | 303 | /**\r |
28a00297 | 304 | Aligns address to the page boundary.\r |
305 | \r | |
022c6d45 | 306 | @param Value 64 bit address to align\r |
28a00297 | 307 | \r |
162ed594 | 308 | @return A 64 bit value is the aligned to the value nearest Value with an alignment by Alignment.\r |
28a00297 | 309 | \r |
162ed594 | 310 | **/\r |
28a00297 | 311 | UINT64\r |
162ed594 | 312 | PageAlignAddress (\r |
28a00297 | 313 | IN UINT64 Value\r |
314 | )\r | |
162ed594 | 315 | {\r |
316 | return AlignValue (Value, EFI_PAGE_SHIFT, TRUE);\r | |
317 | }\r | |
28a00297 | 318 | \r |
28a00297 | 319 | \r |
162ed594 | 320 | /**\r |
28a00297 | 321 | Aligns length to the page boundary.\r |
322 | \r | |
022c6d45 | 323 | @param Value 64 bit length to align\r |
28a00297 | 324 | \r |
162ed594 | 325 | @return A 64 bit value is the aligned to the value nearest Value with an alignment by Alignment.\r |
28a00297 | 326 | \r |
162ed594 | 327 | **/\r |
162ed594 | 328 | UINT64\r |
329 | PageAlignLength (\r | |
330 | IN UINT64 Value\r | |
331 | )\r | |
28a00297 | 332 | {\r |
333 | return AlignValue (Value, EFI_PAGE_SHIFT, FALSE);\r | |
334 | }\r | |
335 | \r | |
336 | //\r | |
337 | // GCD Memory Space Worker Functions\r | |
338 | //\r | |
162ed594 | 339 | \r |
340 | /**\r | |
341 | Allocate pool for two entries.\r | |
342 | \r | |
022c6d45 | 343 | @param TopEntry An entry of GCD map\r |
344 | @param BottomEntry An entry of GCD map\r | |
162ed594 | 345 | \r |
022c6d45 | 346 | @retval EFI_OUT_OF_RESOURCES No enough buffer to be allocated.\r |
162ed594 | 347 | @retval EFI_SUCCESS Both entries successfully allocated.\r |
348 | \r | |
349 | **/\r | |
28a00297 | 350 | EFI_STATUS\r |
351 | CoreAllocateGcdMapEntry (\r | |
352 | IN OUT EFI_GCD_MAP_ENTRY **TopEntry,\r | |
353 | IN OUT EFI_GCD_MAP_ENTRY **BottomEntry\r | |
354 | )\r | |
28a00297 | 355 | {\r |
9c4ac31c | 356 | *TopEntry = AllocateZeroPool (sizeof (EFI_GCD_MAP_ENTRY));\r |
28a00297 | 357 | if (*TopEntry == NULL) {\r |
358 | return EFI_OUT_OF_RESOURCES;\r | |
359 | }\r | |
360 | \r | |
9c4ac31c | 361 | *BottomEntry = AllocateZeroPool (sizeof (EFI_GCD_MAP_ENTRY));\r |
28a00297 | 362 | if (*BottomEntry == NULL) {\r |
363 | CoreFreePool (*TopEntry);\r | |
364 | return EFI_OUT_OF_RESOURCES;\r | |
365 | }\r | |
366 | \r | |
367 | return EFI_SUCCESS;\r | |
368 | }\r | |
369 | \r | |
162ed594 | 370 | \r |
371 | /**\r | |
372 | Internal function. Inserts a new descriptor into a sorted list\r | |
373 | \r | |
022c6d45 | 374 | @param Link The linked list to insert the range BaseAddress\r |
375 | and Length into\r | |
376 | @param Entry A pointer to the entry that is inserted\r | |
377 | @param BaseAddress The base address of the new range\r | |
378 | @param Length The length of the new range in bytes\r | |
379 | @param TopEntry Top pad entry to insert if needed.\r | |
380 | @param BottomEntry Bottom pad entry to insert if needed.\r | |
162ed594 | 381 | \r |
382 | @retval EFI_SUCCESS The new range was inserted into the linked list\r | |
383 | \r | |
384 | **/\r | |
28a00297 | 385 | EFI_STATUS\r |
386 | CoreInsertGcdMapEntry (\r | |
387 | IN LIST_ENTRY *Link,\r | |
388 | IN EFI_GCD_MAP_ENTRY *Entry,\r | |
389 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
390 | IN UINT64 Length,\r | |
391 | IN EFI_GCD_MAP_ENTRY *TopEntry,\r | |
392 | IN EFI_GCD_MAP_ENTRY *BottomEntry\r | |
393 | )\r | |
28a00297 | 394 | {\r |
395 | ASSERT (Length != 0);\r | |
396 | ASSERT (TopEntry->Signature == 0);\r | |
397 | ASSERT (BottomEntry->Signature == 0);\r | |
398 | \r | |
399 | if (BaseAddress > Entry->BaseAddress) {\r | |
400 | CopyMem (BottomEntry, Entry, sizeof (EFI_GCD_MAP_ENTRY));\r | |
401 | Entry->BaseAddress = BaseAddress;\r | |
402 | BottomEntry->EndAddress = BaseAddress - 1;\r | |
403 | InsertTailList (Link, &BottomEntry->Link);\r | |
022c6d45 | 404 | }\r |
28a00297 | 405 | \r |
406 | if ((BaseAddress + Length - 1) < Entry->EndAddress) {\r | |
407 | CopyMem (TopEntry, Entry, sizeof (EFI_GCD_MAP_ENTRY));\r | |
408 | TopEntry->BaseAddress = BaseAddress + Length;\r | |
409 | Entry->EndAddress = BaseAddress + Length - 1;\r | |
410 | InsertHeadList (Link, &TopEntry->Link);\r | |
411 | }\r | |
412 | \r | |
413 | return EFI_SUCCESS;\r | |
414 | }\r | |
415 | \r | |
162ed594 | 416 | \r |
417 | /**\r | |
e94a9ff7 | 418 | Merge the Gcd region specified by Link and its adjacent entry.\r |
162ed594 | 419 | \r |
022c6d45 | 420 | @param Link Specify the entry to be merged (with its\r |
421 | adjacent entry).\r | |
422 | @param Forward Direction (forward or backward).\r | |
423 | @param Map Boundary.\r | |
162ed594 | 424 | \r |
022c6d45 | 425 | @retval EFI_SUCCESS Successfully returned.\r |
162ed594 | 426 | @retval EFI_UNSUPPORTED These adjacent regions could not merge.\r |
427 | \r | |
428 | **/\r | |
28a00297 | 429 | EFI_STATUS\r |
430 | CoreMergeGcdMapEntry (\r | |
431 | IN LIST_ENTRY *Link,\r | |
432 | IN BOOLEAN Forward,\r | |
433 | IN LIST_ENTRY *Map\r | |
434 | )\r | |
28a00297 | 435 | {\r |
436 | LIST_ENTRY *AdjacentLink;\r | |
437 | EFI_GCD_MAP_ENTRY *Entry;\r | |
438 | EFI_GCD_MAP_ENTRY *AdjacentEntry;\r | |
439 | \r | |
440 | //\r | |
441 | // Get adjacent entry\r | |
442 | //\r | |
443 | if (Forward) {\r | |
444 | AdjacentLink = Link->ForwardLink;\r | |
445 | } else {\r | |
446 | AdjacentLink = Link->BackLink;\r | |
447 | }\r | |
448 | \r | |
449 | //\r | |
450 | // If AdjacentLink is the head of the list, then no merge can be performed\r | |
451 | //\r | |
452 | if (AdjacentLink == Map) {\r | |
453 | return EFI_SUCCESS;\r | |
454 | }\r | |
455 | \r | |
456 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
457 | AdjacentEntry = CR (AdjacentLink, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
458 | \r | |
459 | if (Entry->Capabilities != AdjacentEntry->Capabilities) {\r | |
460 | return EFI_UNSUPPORTED;\r | |
461 | }\r | |
462 | if (Entry->Attributes != AdjacentEntry->Attributes) {\r | |
463 | return EFI_UNSUPPORTED;\r | |
464 | }\r | |
465 | if (Entry->GcdMemoryType != AdjacentEntry->GcdMemoryType) {\r | |
466 | return EFI_UNSUPPORTED;\r | |
467 | }\r | |
468 | if (Entry->GcdIoType != AdjacentEntry->GcdIoType) {\r | |
469 | return EFI_UNSUPPORTED;\r | |
470 | }\r | |
471 | if (Entry->ImageHandle != AdjacentEntry->ImageHandle) {\r | |
472 | return EFI_UNSUPPORTED;\r | |
473 | }\r | |
474 | if (Entry->DeviceHandle != AdjacentEntry->DeviceHandle) {\r | |
475 | return EFI_UNSUPPORTED;\r | |
476 | }\r | |
477 | \r | |
478 | if (Forward) {\r | |
479 | Entry->EndAddress = AdjacentEntry->EndAddress;\r | |
480 | } else {\r | |
481 | Entry->BaseAddress = AdjacentEntry->BaseAddress;\r | |
482 | }\r | |
483 | RemoveEntryList (AdjacentLink);\r | |
484 | CoreFreePool (AdjacentEntry);\r | |
485 | \r | |
486 | return EFI_SUCCESS;\r | |
487 | }\r | |
488 | \r | |
162ed594 | 489 | \r |
490 | /**\r | |
491 | Merge adjacent entries on total chain.\r | |
492 | \r | |
022c6d45 | 493 | @param TopEntry Top entry of GCD map.\r |
494 | @param BottomEntry Bottom entry of GCD map.\r | |
495 | @param StartLink Start link of the list for this loop.\r | |
496 | @param EndLink End link of the list for this loop.\r | |
497 | @param Map Boundary.\r | |
162ed594 | 498 | \r |
499 | @retval EFI_SUCCESS GCD map successfully cleaned up.\r | |
500 | \r | |
501 | **/\r | |
28a00297 | 502 | EFI_STATUS\r |
503 | CoreCleanupGcdMapEntry (\r | |
504 | IN EFI_GCD_MAP_ENTRY *TopEntry,\r | |
505 | IN EFI_GCD_MAP_ENTRY *BottomEntry,\r | |
506 | IN LIST_ENTRY *StartLink,\r | |
507 | IN LIST_ENTRY *EndLink,\r | |
508 | IN LIST_ENTRY *Map\r | |
509 | )\r | |
28a00297 | 510 | {\r |
511 | LIST_ENTRY *Link;\r | |
512 | \r | |
513 | if (TopEntry->Signature == 0) {\r | |
514 | CoreFreePool (TopEntry);\r | |
515 | }\r | |
516 | if (BottomEntry->Signature == 0) {\r | |
517 | CoreFreePool (BottomEntry);\r | |
518 | }\r | |
519 | \r | |
520 | Link = StartLink;\r | |
521 | while (Link != EndLink->ForwardLink) {\r | |
522 | CoreMergeGcdMapEntry (Link, FALSE, Map);\r | |
523 | Link = Link->ForwardLink;\r | |
524 | }\r | |
525 | CoreMergeGcdMapEntry (EndLink, TRUE, Map);\r | |
526 | \r | |
527 | return EFI_SUCCESS;\r | |
528 | }\r | |
529 | \r | |
162ed594 | 530 | \r |
531 | /**\r | |
532 | Search a segment of memory space in GCD map. The result is a range of GCD entry list.\r | |
533 | \r | |
022c6d45 | 534 | @param BaseAddress The start address of the segment.\r |
535 | @param Length The length of the segment.\r | |
536 | @param StartLink The first GCD entry involves this segment of\r | |
537 | memory space.\r | |
538 | @param EndLink The first GCD entry involves this segment of\r | |
539 | memory space.\r | |
540 | @param Map Points to the start entry to search.\r | |
162ed594 | 541 | \r |
022c6d45 | 542 | @retval EFI_SUCCESS Successfully found the entry.\r |
162ed594 | 543 | @retval EFI_NOT_FOUND Not found.\r |
544 | \r | |
545 | **/\r | |
28a00297 | 546 | EFI_STATUS\r |
547 | CoreSearchGcdMapEntry (\r | |
548 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
549 | IN UINT64 Length,\r | |
550 | OUT LIST_ENTRY **StartLink,\r | |
551 | OUT LIST_ENTRY **EndLink,\r | |
552 | IN LIST_ENTRY *Map\r | |
553 | )\r | |
28a00297 | 554 | {\r |
555 | LIST_ENTRY *Link;\r | |
556 | EFI_GCD_MAP_ENTRY *Entry;\r | |
557 | \r | |
558 | ASSERT (Length != 0);\r | |
559 | \r | |
560 | *StartLink = NULL;\r | |
561 | *EndLink = NULL;\r | |
562 | \r | |
563 | Link = Map->ForwardLink;\r | |
564 | while (Link != Map) {\r | |
565 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
566 | if (BaseAddress >= Entry->BaseAddress && BaseAddress <= Entry->EndAddress) {\r | |
567 | *StartLink = Link;\r | |
568 | }\r | |
569 | if (*StartLink != NULL) {\r | |
022c6d45 | 570 | if ((BaseAddress + Length - 1) >= Entry->BaseAddress &&\r |
28a00297 | 571 | (BaseAddress + Length - 1) <= Entry->EndAddress ) {\r |
572 | *EndLink = Link;\r | |
573 | return EFI_SUCCESS;\r | |
574 | }\r | |
575 | }\r | |
576 | Link = Link->ForwardLink;\r | |
577 | }\r | |
e94a9ff7 | 578 | \r |
28a00297 | 579 | return EFI_NOT_FOUND;\r |
580 | }\r | |
581 | \r | |
28a00297 | 582 | \r |
162ed594 | 583 | /**\r |
28a00297 | 584 | Count the amount of GCD map entries.\r |
585 | \r | |
022c6d45 | 586 | @param Map Points to the start entry to do the count loop.\r |
28a00297 | 587 | \r |
162ed594 | 588 | @return The count.\r |
28a00297 | 589 | \r |
162ed594 | 590 | **/\r |
162ed594 | 591 | UINTN\r |
592 | CoreCountGcdMapEntry (\r | |
593 | IN LIST_ENTRY *Map\r | |
594 | )\r | |
28a00297 | 595 | {\r |
596 | UINTN Count;\r | |
597 | LIST_ENTRY *Link;\r | |
598 | \r | |
599 | Count = 0;\r | |
600 | Link = Map->ForwardLink;\r | |
601 | while (Link != Map) {\r | |
602 | Count++;\r | |
603 | Link = Link->ForwardLink;\r | |
604 | }\r | |
022c6d45 | 605 | \r |
28a00297 | 606 | return Count;\r |
607 | }\r | |
608 | \r | |
609 | \r | |
28a00297 | 610 | \r |
162ed594 | 611 | /**\r |
28a00297 | 612 | Return the memory attribute specified by Attributes\r |
613 | \r | |
022c6d45 | 614 | @param Attributes A num with some attribute bits on.\r |
28a00297 | 615 | \r |
162ed594 | 616 | @return The enum value of memory attribute.\r |
28a00297 | 617 | \r |
162ed594 | 618 | **/\r |
162ed594 | 619 | UINT64\r |
620 | ConverToCpuArchAttributes (\r | |
621 | UINT64 Attributes\r | |
23c98c94 | 622 | )\r |
28a00297 | 623 | {\r |
624 | if ( (Attributes & EFI_MEMORY_UC) == EFI_MEMORY_UC) {\r | |
625 | return EFI_MEMORY_UC;\r | |
626 | }\r | |
627 | \r | |
628 | if ( (Attributes & EFI_MEMORY_WC ) == EFI_MEMORY_WC) {\r | |
629 | return EFI_MEMORY_WC;\r | |
630 | }\r | |
631 | \r | |
632 | if ( (Attributes & EFI_MEMORY_WT ) == EFI_MEMORY_WT) {\r | |
633 | return EFI_MEMORY_WT;\r | |
634 | }\r | |
635 | \r | |
636 | if ( (Attributes & EFI_MEMORY_WB) == EFI_MEMORY_WB) {\r | |
637 | return EFI_MEMORY_WB;\r | |
638 | }\r | |
639 | \r | |
640 | if ( (Attributes & EFI_MEMORY_WP) == EFI_MEMORY_WP) {\r | |
641 | return EFI_MEMORY_WP;\r | |
642 | }\r | |
643 | \r | |
644 | return INVALID_CPU_ARCH_ATTRIBUTES;\r | |
645 | \r | |
646 | }\r | |
647 | \r | |
162ed594 | 648 | \r |
649 | /**\r | |
650 | Do operation on a segment of memory space specified (add, free, remove, change attribute ...).\r | |
651 | \r | |
022c6d45 | 652 | @param Operation The type of the operation\r |
653 | @param GcdMemoryType Additional information for the operation\r | |
654 | @param GcdIoType Additional information for the operation\r | |
655 | @param BaseAddress Start address of the segment\r | |
656 | @param Length length of the segment\r | |
657 | @param Capabilities The alterable attributes of a newly added entry\r | |
658 | @param Attributes The attributes needs to be set\r | |
659 | \r | |
660 | @retval EFI_INVALID_PARAMETER Length is 0 or address (length) not aligned when\r | |
661 | setting attribute.\r | |
662 | @retval EFI_SUCCESS Action successfully done.\r | |
663 | @retval EFI_UNSUPPORTED Could not find the proper descriptor on this\r | |
664 | segment or set an upsupported attribute.\r | |
665 | @retval EFI_ACCESS_DENIED Operate on an space non-exist or is used for an\r | |
666 | image.\r | |
667 | @retval EFI_NOT_FOUND Free a non-using space or remove a non-exist\r | |
668 | space, and so on.\r | |
162ed594 | 669 | @retval EFI_OUT_OF_RESOURCES No buffer could be allocated.\r |
670 | \r | |
671 | **/\r | |
28a00297 | 672 | EFI_STATUS\r |
673 | CoreConvertSpace (\r | |
674 | IN UINTN Operation,\r | |
675 | IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
676 | IN EFI_GCD_IO_TYPE GcdIoType,\r | |
677 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
678 | IN UINT64 Length,\r | |
679 | IN UINT64 Capabilities,\r | |
680 | IN UINT64 Attributes\r | |
681 | )\r | |
28a00297 | 682 | {\r |
683 | EFI_STATUS Status;\r | |
684 | LIST_ENTRY *Map;\r | |
685 | LIST_ENTRY *Link;\r | |
686 | EFI_GCD_MAP_ENTRY *Entry;\r | |
687 | EFI_GCD_MAP_ENTRY *TopEntry;\r | |
688 | EFI_GCD_MAP_ENTRY *BottomEntry;\r | |
689 | LIST_ENTRY *StartLink;\r | |
690 | LIST_ENTRY *EndLink;\r | |
f9d1f97c | 691 | UINT64 CpuArchAttributes;\r |
28a00297 | 692 | \r |
693 | if (Length == 0) {\r | |
aa927cae | 694 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 695 | return EFI_INVALID_PARAMETER;\r |
696 | }\r | |
697 | \r | |
698 | Map = NULL;\r | |
71f68914 | 699 | if ((Operation & GCD_MEMORY_SPACE_OPERATION) != 0) {\r |
28a00297 | 700 | CoreAcquireGcdMemoryLock ();\r |
701 | Map = &mGcdMemorySpaceMap;\r | |
fbbb4211 | 702 | } else if ((Operation & GCD_IO_SPACE_OPERATION) != 0) {\r |
28a00297 | 703 | CoreAcquireGcdIoLock ();\r |
704 | Map = &mGcdIoSpaceMap;\r | |
fbbb4211 | 705 | } else {\r |
706 | ASSERT (FALSE);\r | |
28a00297 | 707 | }\r |
708 | \r | |
709 | //\r | |
710 | // Search for the list of descriptors that cover the range BaseAddress to BaseAddress+Length\r | |
711 | //\r | |
712 | Status = CoreSearchGcdMapEntry (BaseAddress, Length, &StartLink, &EndLink, Map);\r | |
713 | if (EFI_ERROR (Status)) {\r | |
714 | Status = EFI_UNSUPPORTED;\r | |
715 | \r | |
716 | goto Done;\r | |
717 | }\r | |
d2fbaaab | 718 | ASSERT (StartLink != NULL && EndLink != NULL);\r |
28a00297 | 719 | \r |
720 | //\r | |
721 | // Verify that the list of descriptors are unallocated non-existent memory.\r | |
722 | //\r | |
723 | Link = StartLink;\r | |
724 | while (Link != EndLink->ForwardLink) {\r | |
725 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
726 | switch (Operation) {\r | |
727 | //\r | |
728 | // Add operations\r | |
729 | //\r | |
730 | case GCD_ADD_MEMORY_OPERATION:\r | |
731 | if (Entry->GcdMemoryType != EfiGcdMemoryTypeNonExistent ||\r | |
732 | Entry->ImageHandle != NULL ) {\r | |
733 | Status = EFI_ACCESS_DENIED;\r | |
734 | goto Done;\r | |
735 | }\r | |
736 | break;\r | |
737 | case GCD_ADD_IO_OPERATION:\r | |
738 | if (Entry->GcdIoType != EfiGcdIoTypeNonExistent ||\r | |
739 | Entry->ImageHandle != NULL ) {\r | |
740 | Status = EFI_ACCESS_DENIED;\r | |
741 | goto Done;\r | |
742 | }\r | |
743 | break;\r | |
744 | //\r | |
745 | // Free operations\r | |
746 | //\r | |
747 | case GCD_FREE_MEMORY_OPERATION:\r | |
748 | case GCD_FREE_IO_OPERATION:\r | |
749 | if (Entry->ImageHandle == NULL) {\r | |
750 | Status = EFI_NOT_FOUND;\r | |
751 | goto Done;\r | |
752 | }\r | |
753 | break;\r | |
754 | //\r | |
755 | // Remove operations\r | |
756 | //\r | |
757 | case GCD_REMOVE_MEMORY_OPERATION:\r | |
758 | if (Entry->GcdMemoryType == EfiGcdMemoryTypeNonExistent) {\r | |
759 | Status = EFI_NOT_FOUND;\r | |
760 | goto Done;\r | |
761 | }\r | |
762 | if (Entry->ImageHandle != NULL) {\r | |
763 | Status = EFI_ACCESS_DENIED;\r | |
764 | goto Done;\r | |
765 | }\r | |
766 | break;\r | |
767 | case GCD_REMOVE_IO_OPERATION:\r | |
768 | if (Entry->GcdIoType == EfiGcdIoTypeNonExistent) {\r | |
769 | Status = EFI_NOT_FOUND;\r | |
770 | goto Done;\r | |
771 | }\r | |
772 | if (Entry->ImageHandle != NULL) {\r | |
773 | Status = EFI_ACCESS_DENIED;\r | |
774 | goto Done;\r | |
775 | }\r | |
776 | break;\r | |
777 | //\r | |
778 | // Set attribute operations\r | |
779 | //\r | |
780 | case GCD_SET_ATTRIBUTES_MEMORY_OPERATION:\r | |
71f68914 | 781 | if ((Attributes & EFI_MEMORY_RUNTIME) != 0) {\r |
28a00297 | 782 | if ((BaseAddress & EFI_PAGE_MASK) != 0 || (Length & EFI_PAGE_MASK) != 0) {\r |
783 | Status = EFI_INVALID_PARAMETER;\r | |
28a00297 | 784 | goto Done;\r |
785 | }\r | |
786 | }\r | |
787 | if ((Entry->Capabilities & Attributes) != Attributes) {\r | |
788 | Status = EFI_UNSUPPORTED;\r | |
789 | goto Done;\r | |
790 | }\r | |
791 | break;\r | |
792 | }\r | |
793 | Link = Link->ForwardLink;\r | |
794 | }\r | |
795 | \r | |
796 | //\r | |
797 | // Allocate work space to perform this operation\r | |
798 | //\r | |
799 | Status = CoreAllocateGcdMapEntry (&TopEntry, &BottomEntry);\r | |
800 | if (EFI_ERROR (Status)) {\r | |
801 | Status = EFI_OUT_OF_RESOURCES;\r | |
802 | goto Done;\r | |
803 | }\r | |
d2fbaaab | 804 | ASSERT (TopEntry != NULL && BottomEntry != NULL);\r |
28a00297 | 805 | \r |
28a00297 | 806 | if (Operation == GCD_SET_ATTRIBUTES_MEMORY_OPERATION) {\r |
807 | //\r | |
808 | // Call CPU Arch Protocol to attempt to set attributes on the range\r | |
809 | //\r | |
810 | CpuArchAttributes = ConverToCpuArchAttributes (Attributes);\r | |
f9d1f97c | 811 | if (CpuArchAttributes != INVALID_CPU_ARCH_ATTRIBUTES) {\r |
812 | if (gCpu != NULL) {\r | |
813 | Status = gCpu->SetMemoryAttributes (\r | |
814 | gCpu,\r | |
815 | BaseAddress,\r | |
816 | Length,\r | |
817 | CpuArchAttributes\r | |
818 | );\r | |
819 | if (EFI_ERROR (Status)) {\r | |
820 | goto Done;\r | |
821 | }\r | |
28a00297 | 822 | }\r |
823 | }\r | |
28a00297 | 824 | }\r |
825 | \r | |
826 | //\r | |
827 | // Convert/Insert the list of descriptors from StartLink to EndLink\r | |
828 | //\r | |
829 | Link = StartLink;\r | |
830 | while (Link != EndLink->ForwardLink) {\r | |
831 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
832 | CoreInsertGcdMapEntry (Link, Entry, BaseAddress, Length, TopEntry, BottomEntry);\r | |
833 | switch (Operation) {\r | |
834 | //\r | |
835 | // Add operations\r | |
836 | //\r | |
837 | case GCD_ADD_MEMORY_OPERATION:\r | |
838 | Entry->GcdMemoryType = GcdMemoryType;\r | |
839 | if (GcdMemoryType == EfiGcdMemoryTypeMemoryMappedIo) {\r | |
840 | Entry->Capabilities = Capabilities | EFI_MEMORY_RUNTIME | EFI_MEMORY_PORT_IO;\r | |
841 | } else {\r | |
842 | Entry->Capabilities = Capabilities | EFI_MEMORY_RUNTIME;\r | |
843 | }\r | |
844 | break;\r | |
845 | case GCD_ADD_IO_OPERATION:\r | |
846 | Entry->GcdIoType = GcdIoType;\r | |
847 | break;\r | |
848 | //\r | |
849 | // Free operations\r | |
850 | //\r | |
851 | case GCD_FREE_MEMORY_OPERATION:\r | |
852 | case GCD_FREE_IO_OPERATION:\r | |
853 | Entry->ImageHandle = NULL;\r | |
854 | Entry->DeviceHandle = NULL;\r | |
855 | break;\r | |
856 | //\r | |
857 | // Remove operations\r | |
858 | //\r | |
859 | case GCD_REMOVE_MEMORY_OPERATION:\r | |
860 | Entry->GcdMemoryType = EfiGcdMemoryTypeNonExistent;\r | |
861 | Entry->Capabilities = 0;\r | |
862 | break;\r | |
863 | case GCD_REMOVE_IO_OPERATION:\r | |
864 | Entry->GcdIoType = EfiGcdIoTypeNonExistent;\r | |
865 | break;\r | |
866 | //\r | |
867 | // Set attribute operations\r | |
868 | //\r | |
869 | case GCD_SET_ATTRIBUTES_MEMORY_OPERATION:\r | |
870 | Entry->Attributes = Attributes;\r | |
871 | break;\r | |
872 | }\r | |
873 | Link = Link->ForwardLink;\r | |
874 | }\r | |
875 | \r | |
876 | //\r | |
877 | // Cleanup\r | |
878 | //\r | |
879 | Status = CoreCleanupGcdMapEntry (TopEntry, BottomEntry, StartLink, EndLink, Map);\r | |
880 | \r | |
881 | Done:\r | |
aa927cae | 882 | DEBUG ((DEBUG_GCD, " Status = %r\n", Status));\r |
f9d1f97c | 883 | \r |
71f68914 | 884 | if ((Operation & GCD_MEMORY_SPACE_OPERATION) != 0) {\r |
28a00297 | 885 | CoreReleaseGcdMemoryLock ();\r |
aa927cae | 886 | CoreDumpGcdMemorySpaceMap (FALSE);\r |
28a00297 | 887 | }\r |
71f68914 | 888 | if ((Operation & GCD_IO_SPACE_OPERATION) != 0) {\r |
28a00297 | 889 | CoreReleaseGcdIoLock ();\r |
aa927cae | 890 | CoreDumpGcdIoSpaceMap (FALSE);\r |
28a00297 | 891 | }\r |
892 | \r | |
893 | return Status;\r | |
894 | }\r | |
895 | \r | |
162ed594 | 896 | \r |
897 | /**\r | |
898 | Check whether an entry could be used to allocate space.\r | |
899 | \r | |
022c6d45 | 900 | @param Operation Allocate memory or IO\r |
901 | @param Entry The entry to be tested\r | |
902 | @param GcdMemoryType The desired memory type\r | |
903 | @param GcdIoType The desired IO type\r | |
162ed594 | 904 | \r |
022c6d45 | 905 | @retval EFI_NOT_FOUND The memory type does not match or there's an\r |
906 | image handle on the entry.\r | |
907 | @retval EFI_UNSUPPORTED The operation unsupported.\r | |
908 | @retval EFI_SUCCESS It's ok for this entry to be used to allocate\r | |
162ed594 | 909 | space.\r |
910 | \r | |
911 | **/\r | |
28a00297 | 912 | EFI_STATUS\r |
913 | CoreAllocateSpaceCheckEntry (\r | |
914 | IN UINTN Operation,\r | |
915 | IN EFI_GCD_MAP_ENTRY *Entry,\r | |
916 | IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
917 | IN EFI_GCD_IO_TYPE GcdIoType\r | |
918 | )\r | |
28a00297 | 919 | {\r |
920 | if (Entry->ImageHandle != NULL) {\r | |
921 | return EFI_NOT_FOUND;\r | |
922 | }\r | |
923 | switch (Operation) {\r | |
924 | case GCD_ALLOCATE_MEMORY_OPERATION:\r | |
925 | if (Entry->GcdMemoryType != GcdMemoryType) {\r | |
926 | return EFI_NOT_FOUND;\r | |
927 | }\r | |
928 | break;\r | |
929 | case GCD_ALLOCATE_IO_OPERATION:\r | |
930 | if (Entry->GcdIoType != GcdIoType) {\r | |
931 | return EFI_NOT_FOUND;\r | |
932 | }\r | |
933 | break;\r | |
934 | default:\r | |
935 | return EFI_UNSUPPORTED;\r | |
936 | }\r | |
937 | return EFI_SUCCESS;\r | |
938 | }\r | |
939 | \r | |
162ed594 | 940 | \r |
941 | /**\r | |
942 | Allocate space on specified address and length.\r | |
943 | \r | |
022c6d45 | 944 | @param Operation The type of operation (memory or IO)\r |
945 | @param GcdAllocateType The type of allocate operation\r | |
946 | @param GcdMemoryType The desired memory type\r | |
947 | @param GcdIoType The desired IO type\r | |
948 | @param Alignment Align with 2^Alignment\r | |
949 | @param Length Length to allocate\r | |
950 | @param BaseAddress Base address to allocate\r | |
951 | @param ImageHandle The image handle consume the allocated space.\r | |
952 | @param DeviceHandle The device handle consume the allocated space.\r | |
953 | \r | |
954 | @retval EFI_INVALID_PARAMETER Invalid parameter.\r | |
955 | @retval EFI_NOT_FOUND No descriptor for the desired space exists.\r | |
162ed594 | 956 | @retval EFI_SUCCESS Space successfully allocated.\r |
957 | \r | |
958 | **/\r | |
28a00297 | 959 | EFI_STATUS\r |
960 | CoreAllocateSpace (\r | |
961 | IN UINTN Operation,\r | |
962 | IN EFI_GCD_ALLOCATE_TYPE GcdAllocateType,\r | |
963 | IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
964 | IN EFI_GCD_IO_TYPE GcdIoType,\r | |
965 | IN UINTN Alignment,\r | |
966 | IN UINT64 Length,\r | |
967 | IN OUT EFI_PHYSICAL_ADDRESS *BaseAddress,\r | |
968 | IN EFI_HANDLE ImageHandle,\r | |
969 | IN EFI_HANDLE DeviceHandle OPTIONAL\r | |
970 | )\r | |
28a00297 | 971 | {\r |
972 | EFI_STATUS Status;\r | |
973 | EFI_PHYSICAL_ADDRESS AlignmentMask;\r | |
974 | EFI_PHYSICAL_ADDRESS MaxAddress;\r | |
975 | LIST_ENTRY *Map;\r | |
976 | LIST_ENTRY *Link;\r | |
977 | LIST_ENTRY *SubLink;\r | |
978 | EFI_GCD_MAP_ENTRY *Entry;\r | |
979 | EFI_GCD_MAP_ENTRY *TopEntry;\r | |
980 | EFI_GCD_MAP_ENTRY *BottomEntry;\r | |
981 | LIST_ENTRY *StartLink;\r | |
982 | LIST_ENTRY *EndLink;\r | |
983 | BOOLEAN Found;\r | |
984 | \r | |
985 | //\r | |
986 | // Make sure parameters are valid\r | |
987 | //\r | |
988 | if (GcdAllocateType < 0 || GcdAllocateType >= EfiGcdMaxAllocateType) {\r | |
aa927cae | 989 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 990 | return EFI_INVALID_PARAMETER;\r |
991 | }\r | |
992 | if (GcdMemoryType < 0 || GcdMemoryType >= EfiGcdMemoryTypeMaximum) {\r | |
aa927cae | 993 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 994 | return EFI_INVALID_PARAMETER;\r |
995 | }\r | |
996 | if (GcdIoType < 0 || GcdIoType >= EfiGcdIoTypeMaximum) {\r | |
aa927cae | 997 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 998 | return EFI_INVALID_PARAMETER;\r |
999 | }\r | |
1000 | if (BaseAddress == NULL) {\r | |
aa927cae | 1001 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 1002 | return EFI_INVALID_PARAMETER;\r |
1003 | }\r | |
1004 | if (ImageHandle == NULL) {\r | |
aa927cae | 1005 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 1006 | return EFI_INVALID_PARAMETER;\r |
1007 | }\r | |
1008 | if (Alignment >= 64) {\r | |
aa927cae | 1009 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_NOT_FOUND));\r |
28a00297 | 1010 | return EFI_NOT_FOUND;\r |
1011 | }\r | |
1012 | if (Length == 0) {\r | |
aa927cae | 1013 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 1014 | return EFI_INVALID_PARAMETER;\r |
1015 | }\r | |
1016 | \r | |
1017 | Map = NULL;\r | |
71f68914 | 1018 | if ((Operation & GCD_MEMORY_SPACE_OPERATION) != 0) {\r |
28a00297 | 1019 | CoreAcquireGcdMemoryLock ();\r |
1020 | Map = &mGcdMemorySpaceMap;\r | |
fbbb4211 | 1021 | } else if ((Operation & GCD_IO_SPACE_OPERATION) != 0) {\r |
28a00297 | 1022 | CoreAcquireGcdIoLock ();\r |
1023 | Map = &mGcdIoSpaceMap;\r | |
fbbb4211 | 1024 | } else {\r |
1025 | ASSERT (FALSE);\r | |
28a00297 | 1026 | }\r |
1027 | \r | |
1028 | Found = FALSE;\r | |
1029 | StartLink = NULL;\r | |
1030 | EndLink = NULL;\r | |
1031 | //\r | |
1032 | // Compute alignment bit mask\r | |
1033 | //\r | |
1034 | AlignmentMask = LShiftU64 (1, Alignment) - 1;\r | |
1035 | \r | |
1036 | if (GcdAllocateType == EfiGcdAllocateAddress) {\r | |
1037 | //\r | |
1038 | // Verify that the BaseAddress passed in is aligned correctly\r | |
1039 | //\r | |
1040 | if ((*BaseAddress & AlignmentMask) != 0) {\r | |
1041 | Status = EFI_NOT_FOUND;\r | |
1042 | goto Done;\r | |
1043 | }\r | |
1044 | \r | |
1045 | //\r | |
1046 | // Search for the list of descriptors that cover the range BaseAddress to BaseAddress+Length\r | |
1047 | //\r | |
1048 | Status = CoreSearchGcdMapEntry (*BaseAddress, Length, &StartLink, &EndLink, Map);\r | |
1049 | if (EFI_ERROR (Status)) {\r | |
1050 | Status = EFI_NOT_FOUND;\r | |
1051 | goto Done;\r | |
1052 | }\r | |
d2fbaaab | 1053 | ASSERT (StartLink != NULL && EndLink != NULL);\r |
28a00297 | 1054 | \r |
1055 | //\r | |
1056 | // Verify that the list of descriptors are unallocated memory matching GcdMemoryType.\r | |
1057 | //\r | |
1058 | Link = StartLink;\r | |
1059 | while (Link != EndLink->ForwardLink) {\r | |
1060 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1061 | Link = Link->ForwardLink;\r | |
1062 | Status = CoreAllocateSpaceCheckEntry (Operation, Entry, GcdMemoryType, GcdIoType);\r | |
1063 | if (EFI_ERROR (Status)) {\r | |
1064 | goto Done;\r | |
1065 | }\r | |
1066 | }\r | |
1067 | Found = TRUE;\r | |
1068 | } else {\r | |
1069 | \r | |
1070 | Entry = CR (Map->BackLink, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1071 | \r | |
1072 | //\r | |
1073 | // Compute the maximum address to use in the search algorithm\r | |
1074 | //\r | |
1075 | if (GcdAllocateType == EfiGcdAllocateMaxAddressSearchBottomUp ||\r | |
1076 | GcdAllocateType == EfiGcdAllocateMaxAddressSearchTopDown ) {\r | |
1077 | MaxAddress = *BaseAddress;\r | |
1078 | } else {\r | |
1079 | MaxAddress = Entry->EndAddress;\r | |
1080 | }\r | |
1081 | \r | |
1082 | //\r | |
1083 | // Verify that the list of descriptors are unallocated memory matching GcdMemoryType.\r | |
1084 | //\r | |
1085 | if (GcdAllocateType == EfiGcdAllocateMaxAddressSearchTopDown ||\r | |
1086 | GcdAllocateType == EfiGcdAllocateAnySearchTopDown ) {\r | |
1087 | Link = Map->BackLink;\r | |
1088 | } else {\r | |
1089 | Link = Map->ForwardLink;\r | |
1090 | }\r | |
1091 | while (Link != Map) {\r | |
1092 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1093 | \r | |
1094 | if (GcdAllocateType == EfiGcdAllocateMaxAddressSearchTopDown ||\r | |
1095 | GcdAllocateType == EfiGcdAllocateAnySearchTopDown ) {\r | |
1096 | Link = Link->BackLink;\r | |
1097 | } else {\r | |
1098 | Link = Link->ForwardLink;\r | |
1099 | }\r | |
1100 | \r | |
1101 | Status = CoreAllocateSpaceCheckEntry (Operation, Entry, GcdMemoryType, GcdIoType);\r | |
1102 | if (EFI_ERROR (Status)) {\r | |
1103 | continue;\r | |
1104 | }\r | |
1105 | \r | |
1106 | if (GcdAllocateType == EfiGcdAllocateMaxAddressSearchTopDown ||\r | |
e94a9ff7 | 1107 | GcdAllocateType == EfiGcdAllocateAnySearchTopDown) {\r |
28a00297 | 1108 | if ((Entry->BaseAddress + Length) > MaxAddress) {\r |
1109 | continue;\r | |
1110 | }\r | |
1111 | if (Length > (Entry->EndAddress + 1)) {\r | |
1112 | Status = EFI_NOT_FOUND;\r | |
1113 | goto Done;\r | |
1114 | }\r | |
1115 | if (Entry->EndAddress > MaxAddress) {\r | |
1116 | *BaseAddress = MaxAddress;\r | |
1117 | } else {\r | |
1118 | *BaseAddress = Entry->EndAddress;\r | |
1119 | }\r | |
1120 | *BaseAddress = (*BaseAddress + 1 - Length) & (~AlignmentMask);\r | |
1121 | } else {\r | |
1122 | *BaseAddress = (Entry->BaseAddress + AlignmentMask) & (~AlignmentMask);\r | |
1123 | if ((*BaseAddress + Length - 1) > MaxAddress) {\r | |
1124 | Status = EFI_NOT_FOUND;\r | |
1125 | goto Done;\r | |
1126 | }\r | |
1127 | }\r | |
1128 | \r | |
1129 | //\r | |
1130 | // Search for the list of descriptors that cover the range BaseAddress to BaseAddress+Length\r | |
1131 | //\r | |
1132 | Status = CoreSearchGcdMapEntry (*BaseAddress, Length, &StartLink, &EndLink, Map);\r | |
1133 | if (EFI_ERROR (Status)) {\r | |
1134 | Status = EFI_NOT_FOUND;\r | |
1135 | goto Done;\r | |
1136 | }\r | |
d2fbaaab | 1137 | ASSERT (StartLink != NULL && EndLink != NULL);\r |
28a00297 | 1138 | \r |
1139 | Link = StartLink;\r | |
1140 | //\r | |
1141 | // Verify that the list of descriptors are unallocated memory matching GcdMemoryType.\r | |
1142 | //\r | |
1143 | Found = TRUE;\r | |
1144 | SubLink = StartLink;\r | |
1145 | while (SubLink != EndLink->ForwardLink) {\r | |
1146 | Entry = CR (SubLink, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1147 | Status = CoreAllocateSpaceCheckEntry (Operation, Entry, GcdMemoryType, GcdIoType);\r | |
1148 | if (EFI_ERROR (Status)) {\r | |
1149 | Link = SubLink;\r | |
1150 | Found = FALSE;\r | |
1151 | break;\r | |
1152 | }\r | |
1153 | SubLink = SubLink->ForwardLink;\r | |
1154 | }\r | |
1155 | if (Found) {\r | |
1156 | break;\r | |
1157 | }\r | |
1158 | }\r | |
1159 | }\r | |
1160 | if (!Found) {\r | |
1161 | Status = EFI_NOT_FOUND;\r | |
1162 | goto Done;\r | |
1163 | }\r | |
1164 | \r | |
1165 | //\r | |
1166 | // Allocate work space to perform this operation\r | |
1167 | //\r | |
1168 | Status = CoreAllocateGcdMapEntry (&TopEntry, &BottomEntry);\r | |
1169 | if (EFI_ERROR (Status)) {\r | |
1170 | Status = EFI_OUT_OF_RESOURCES;\r | |
1171 | goto Done;\r | |
1172 | }\r | |
d2fbaaab | 1173 | ASSERT (TopEntry != NULL && BottomEntry != NULL);\r |
28a00297 | 1174 | \r |
1175 | //\r | |
1176 | // Convert/Insert the list of descriptors from StartLink to EndLink\r | |
1177 | //\r | |
1178 | Link = StartLink;\r | |
1179 | while (Link != EndLink->ForwardLink) {\r | |
1180 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1181 | CoreInsertGcdMapEntry (Link, Entry, *BaseAddress, Length, TopEntry, BottomEntry);\r | |
1182 | Entry->ImageHandle = ImageHandle;\r | |
1183 | Entry->DeviceHandle = DeviceHandle;\r | |
1184 | Link = Link->ForwardLink;\r | |
1185 | }\r | |
1186 | \r | |
1187 | //\r | |
1188 | // Cleanup\r | |
1189 | //\r | |
1190 | Status = CoreCleanupGcdMapEntry (TopEntry, BottomEntry, StartLink, EndLink, Map);\r | |
1191 | \r | |
1192 | Done:\r | |
aa927cae | 1193 | DEBUG ((DEBUG_GCD, " Status = %r", Status));\r |
1194 | if (!EFI_ERROR (Status)) {\r | |
1195 | DEBUG ((DEBUG_GCD, " (BaseAddress = %016lx)", *BaseAddress));\r | |
1196 | }\r | |
1197 | DEBUG ((DEBUG_GCD, "\n"));\r | |
f9d1f97c | 1198 | \r |
71f68914 | 1199 | if ((Operation & GCD_MEMORY_SPACE_OPERATION) != 0) {\r |
28a00297 | 1200 | CoreReleaseGcdMemoryLock ();\r |
aa927cae | 1201 | CoreDumpGcdMemorySpaceMap (FALSE);\r |
28a00297 | 1202 | }\r |
71f68914 | 1203 | if ((Operation & GCD_IO_SPACE_OPERATION) !=0) {\r |
28a00297 | 1204 | CoreReleaseGcdIoLock ();\r |
aa927cae | 1205 | CoreDumpGcdIoSpaceMap (FALSE);\r |
28a00297 | 1206 | }\r |
aa927cae | 1207 | \r |
28a00297 | 1208 | return Status;\r |
1209 | }\r | |
1210 | \r | |
28a00297 | 1211 | \r |
162ed594 | 1212 | /**\r |
28a00297 | 1213 | Add a segment of memory to GCD map.\r |
1214 | \r | |
022c6d45 | 1215 | @param GcdMemoryType Memory type of the segment.\r |
1216 | @param BaseAddress Base address of the segment.\r | |
1217 | @param Length Length of the segment.\r | |
1218 | @param Capabilities alterable attributes of the segment.\r | |
28a00297 | 1219 | \r |
022c6d45 | 1220 | @retval EFI_INVALID_PARAMETER Invalid parameters.\r |
162ed594 | 1221 | @retval EFI_SUCCESS Successfully add a segment of memory space.\r |
28a00297 | 1222 | \r |
162ed594 | 1223 | **/\r |
162ed594 | 1224 | EFI_STATUS\r |
1225 | CoreInternalAddMemorySpace (\r | |
1226 | IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
1227 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1228 | IN UINT64 Length,\r | |
1229 | IN UINT64 Capabilities\r | |
1230 | )\r | |
28a00297 | 1231 | {\r |
f9d1f97c | 1232 | DEBUG ((DEBUG_GCD, "GCD:AddMemorySpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1233 | DEBUG ((DEBUG_GCD, " GcdMemoryType = %a\n", mGcdMemoryTypeNames[MIN (GcdMemoryType, EfiGcdMemoryTypeMaximum)]));\r | |
1234 | DEBUG ((DEBUG_GCD, " Capabilities = %016lx\n", Capabilities));\r | |
1235 | \r | |
28a00297 | 1236 | //\r |
1237 | // Make sure parameters are valid\r | |
1238 | //\r | |
1239 | if (GcdMemoryType <= EfiGcdMemoryTypeNonExistent || GcdMemoryType >= EfiGcdMemoryTypeMaximum) {\r | |
1240 | return EFI_INVALID_PARAMETER;\r | |
1241 | }\r | |
1242 | \r | |
1243 | return CoreConvertSpace (GCD_ADD_MEMORY_OPERATION, GcdMemoryType, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, Capabilities, 0);\r | |
1244 | }\r | |
1245 | \r | |
1246 | //\r | |
1247 | // GCD Core Services\r | |
1248 | //\r | |
162ed594 | 1249 | \r |
1250 | /**\r | |
1251 | Allocates nonexistent memory, reserved memory, system memory, or memorymapped\r | |
1252 | I/O resources from the global coherency domain of the processor.\r | |
1253 | \r | |
022c6d45 | 1254 | @param GcdAllocateType The type of allocate operation\r |
1255 | @param GcdMemoryType The desired memory type\r | |
1256 | @param Alignment Align with 2^Alignment\r | |
1257 | @param Length Length to allocate\r | |
1258 | @param BaseAddress Base address to allocate\r | |
1259 | @param ImageHandle The image handle consume the allocated space.\r | |
1260 | @param DeviceHandle The device handle consume the allocated space.\r | |
162ed594 | 1261 | \r |
022c6d45 | 1262 | @retval EFI_INVALID_PARAMETER Invalid parameter.\r |
1263 | @retval EFI_NOT_FOUND No descriptor contains the desired space.\r | |
162ed594 | 1264 | @retval EFI_SUCCESS Memory space successfully allocated.\r |
1265 | \r | |
1266 | **/\r | |
28a00297 | 1267 | EFI_STATUS\r |
3b6ffb6a | 1268 | EFIAPI\r |
28a00297 | 1269 | CoreAllocateMemorySpace (\r |
1270 | IN EFI_GCD_ALLOCATE_TYPE GcdAllocateType,\r | |
1271 | IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
1272 | IN UINTN Alignment,\r | |
1273 | IN UINT64 Length,\r | |
1274 | IN OUT EFI_PHYSICAL_ADDRESS *BaseAddress,\r | |
1275 | IN EFI_HANDLE ImageHandle,\r | |
1276 | IN EFI_HANDLE DeviceHandle OPTIONAL\r | |
1277 | )\r | |
28a00297 | 1278 | {\r |
f9d1f97c | 1279 | DEBUG ((DEBUG_GCD, "GCD:AllocateMemorySpace(Base=%016lx,Length=%016lx)\n", *BaseAddress, Length));\r |
1280 | DEBUG ((DEBUG_GCD, " GcdAllocateType = %a\n", mGcdAllocationTypeNames[MIN (GcdAllocateType, EfiGcdMaxAllocateType)]));\r | |
1281 | DEBUG ((DEBUG_GCD, " GcdMemoryType = %a\n", mGcdMemoryTypeNames[MIN (GcdMemoryType, EfiGcdMemoryTypeMaximum)]));\r | |
1282 | DEBUG ((DEBUG_GCD, " Alignment = %016lx\n", LShiftU64 (1, Alignment)));\r | |
1283 | DEBUG ((DEBUG_GCD, " ImageHandle = %p\n", ImageHandle));\r | |
1284 | DEBUG ((DEBUG_GCD, " DeviceHandle = %p\n", DeviceHandle));\r | |
1285 | \r | |
28a00297 | 1286 | return CoreAllocateSpace (\r |
022c6d45 | 1287 | GCD_ALLOCATE_MEMORY_OPERATION,\r |
1288 | GcdAllocateType,\r | |
1289 | GcdMemoryType,\r | |
1290 | (EFI_GCD_IO_TYPE) 0,\r | |
1291 | Alignment,\r | |
1292 | Length,\r | |
1293 | BaseAddress,\r | |
1294 | ImageHandle,\r | |
28a00297 | 1295 | DeviceHandle\r |
1296 | );\r | |
1297 | }\r | |
1298 | \r | |
162ed594 | 1299 | \r |
1300 | /**\r | |
1301 | Adds reserved memory, system memory, or memory-mapped I/O resources to the\r | |
1302 | global coherency domain of the processor.\r | |
1303 | \r | |
022c6d45 | 1304 | @param GcdMemoryType Memory type of the memory space.\r |
1305 | @param BaseAddress Base address of the memory space.\r | |
1306 | @param Length Length of the memory space.\r | |
1307 | @param Capabilities alterable attributes of the memory space.\r | |
162ed594 | 1308 | \r |
1309 | @retval EFI_SUCCESS Merged this memory space into GCD map.\r | |
1310 | \r | |
1311 | **/\r | |
28a00297 | 1312 | EFI_STATUS\r |
3b6ffb6a | 1313 | EFIAPI\r |
28a00297 | 1314 | CoreAddMemorySpace (\r |
1315 | IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
1316 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1317 | IN UINT64 Length,\r | |
1318 | IN UINT64 Capabilities\r | |
1319 | )\r | |
28a00297 | 1320 | {\r |
1321 | EFI_STATUS Status;\r | |
1322 | EFI_PHYSICAL_ADDRESS PageBaseAddress;\r | |
1323 | UINT64 PageLength;\r | |
1324 | \r | |
1325 | Status = CoreInternalAddMemorySpace (GcdMemoryType, BaseAddress, Length, Capabilities);\r | |
1326 | \r | |
1327 | if (!EFI_ERROR (Status) && GcdMemoryType == EfiGcdMemoryTypeSystemMemory) {\r | |
1328 | \r | |
1329 | PageBaseAddress = PageAlignLength (BaseAddress);\r | |
1330 | PageLength = PageAlignLength (BaseAddress + Length - PageBaseAddress);\r | |
1331 | \r | |
1332 | Status = CoreAllocateMemorySpace (\r | |
1333 | EfiGcdAllocateAddress,\r | |
1334 | GcdMemoryType,\r | |
022c6d45 | 1335 | EFI_PAGE_SHIFT,\r |
28a00297 | 1336 | PageLength,\r |
1337 | &PageBaseAddress,\r | |
1338 | gDxeCoreImageHandle,\r | |
1339 | NULL\r | |
1340 | );\r | |
1341 | \r | |
1342 | if (!EFI_ERROR (Status)) {\r | |
1343 | CoreAddMemoryDescriptor (\r | |
1344 | EfiConventionalMemory,\r | |
1345 | PageBaseAddress,\r | |
1346 | RShiftU64 (PageLength, EFI_PAGE_SHIFT),\r | |
1347 | Capabilities\r | |
1348 | );\r | |
1349 | } else {\r | |
1350 | for (; PageLength != 0; PageLength -= EFI_PAGE_SIZE, PageBaseAddress += EFI_PAGE_SIZE) {\r | |
1351 | Status = CoreAllocateMemorySpace (\r | |
1352 | EfiGcdAllocateAddress,\r | |
1353 | GcdMemoryType,\r | |
022c6d45 | 1354 | EFI_PAGE_SHIFT,\r |
28a00297 | 1355 | EFI_PAGE_SIZE,\r |
1356 | &PageBaseAddress,\r | |
1357 | gDxeCoreImageHandle,\r | |
1358 | NULL\r | |
1359 | );\r | |
1360 | \r | |
1361 | if (!EFI_ERROR (Status)) {\r | |
1362 | CoreAddMemoryDescriptor (\r | |
1363 | EfiConventionalMemory,\r | |
1364 | PageBaseAddress,\r | |
1365 | 1,\r | |
1366 | Capabilities\r | |
1367 | );\r | |
1368 | }\r | |
1369 | }\r | |
1370 | }\r | |
1371 | }\r | |
1372 | return Status;\r | |
1373 | }\r | |
1374 | \r | |
28a00297 | 1375 | \r |
162ed594 | 1376 | /**\r |
28a00297 | 1377 | Frees nonexistent memory, reserved memory, system memory, or memory-mapped\r |
162ed594 | 1378 | I/O resources from the global coherency domain of the processor.\r |
28a00297 | 1379 | \r |
022c6d45 | 1380 | @param BaseAddress Base address of the memory space.\r |
1381 | @param Length Length of the memory space.\r | |
28a00297 | 1382 | \r |
162ed594 | 1383 | @retval EFI_SUCCESS Space successfully freed.\r |
28a00297 | 1384 | \r |
162ed594 | 1385 | **/\r |
28a00297 | 1386 | EFI_STATUS\r |
3b6ffb6a | 1387 | EFIAPI\r |
162ed594 | 1388 | CoreFreeMemorySpace (\r |
28a00297 | 1389 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r |
1390 | IN UINT64 Length\r | |
1391 | )\r | |
162ed594 | 1392 | {\r |
f9d1f97c | 1393 | DEBUG ((DEBUG_GCD, "GCD:FreeMemorySpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1394 | \r | |
162ed594 | 1395 | return CoreConvertSpace (GCD_FREE_MEMORY_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, 0, 0);\r |
1396 | }\r | |
28a00297 | 1397 | \r |
28a00297 | 1398 | \r |
162ed594 | 1399 | /**\r |
28a00297 | 1400 | Removes reserved memory, system memory, or memory-mapped I/O resources from\r |
162ed594 | 1401 | the global coherency domain of the processor.\r |
28a00297 | 1402 | \r |
022c6d45 | 1403 | @param BaseAddress Base address of the memory space.\r |
1404 | @param Length Length of the memory space.\r | |
28a00297 | 1405 | \r |
162ed594 | 1406 | @retval EFI_SUCCESS Successfully remove a segment of memory space.\r |
28a00297 | 1407 | \r |
162ed594 | 1408 | **/\r |
1409 | EFI_STATUS\r | |
3b6ffb6a | 1410 | EFIAPI\r |
162ed594 | 1411 | CoreRemoveMemorySpace (\r |
1412 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1413 | IN UINT64 Length\r | |
1414 | )\r | |
28a00297 | 1415 | {\r |
f9d1f97c | 1416 | DEBUG ((DEBUG_GCD, "GCD:RemoveMemorySpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1417 | \r | |
28a00297 | 1418 | return CoreConvertSpace (GCD_REMOVE_MEMORY_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, 0, 0);\r |
1419 | }\r | |
1420 | \r | |
162ed594 | 1421 | \r |
1422 | /**\r | |
1423 | Build a memory descriptor according to an entry.\r | |
1424 | \r | |
022c6d45 | 1425 | @param Descriptor The descriptor to be built\r |
162ed594 | 1426 | @param Entry According to this entry\r |
1427 | \r | |
1428 | **/\r | |
28a00297 | 1429 | VOID\r |
1430 | BuildMemoryDescriptor (\r | |
1431 | IN OUT EFI_GCD_MEMORY_SPACE_DESCRIPTOR *Descriptor,\r | |
1432 | IN EFI_GCD_MAP_ENTRY *Entry\r | |
1433 | )\r | |
28a00297 | 1434 | {\r |
1435 | Descriptor->BaseAddress = Entry->BaseAddress;\r | |
1436 | Descriptor->Length = Entry->EndAddress - Entry->BaseAddress + 1;\r | |
1437 | Descriptor->Capabilities = Entry->Capabilities;\r | |
1438 | Descriptor->Attributes = Entry->Attributes;\r | |
1439 | Descriptor->GcdMemoryType = Entry->GcdMemoryType;\r | |
1440 | Descriptor->ImageHandle = Entry->ImageHandle;\r | |
1441 | Descriptor->DeviceHandle = Entry->DeviceHandle;\r | |
1442 | }\r | |
1443 | \r | |
28a00297 | 1444 | \r |
162ed594 | 1445 | /**\r |
28a00297 | 1446 | Retrieves the descriptor for a memory region containing a specified address.\r |
1447 | \r | |
022c6d45 | 1448 | @param BaseAddress Specified start address\r |
1449 | @param Descriptor Specified length\r | |
28a00297 | 1450 | \r |
022c6d45 | 1451 | @retval EFI_INVALID_PARAMETER Invalid parameter\r |
162ed594 | 1452 | @retval EFI_SUCCESS Successfully get memory space descriptor.\r |
28a00297 | 1453 | \r |
162ed594 | 1454 | **/\r |
1455 | EFI_STATUS\r | |
3b6ffb6a | 1456 | EFIAPI\r |
162ed594 | 1457 | CoreGetMemorySpaceDescriptor (\r |
1458 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1459 | OUT EFI_GCD_MEMORY_SPACE_DESCRIPTOR *Descriptor\r | |
1460 | )\r | |
28a00297 | 1461 | {\r |
1462 | EFI_STATUS Status;\r | |
1463 | LIST_ENTRY *StartLink;\r | |
1464 | LIST_ENTRY *EndLink;\r | |
1465 | EFI_GCD_MAP_ENTRY *Entry;\r | |
1466 | \r | |
1467 | //\r | |
1468 | // Make sure parameters are valid\r | |
1469 | //\r | |
1470 | if (Descriptor == NULL) {\r | |
1471 | return EFI_INVALID_PARAMETER;\r | |
1472 | }\r | |
1473 | \r | |
1474 | CoreAcquireGcdMemoryLock ();\r | |
1475 | \r | |
1476 | //\r | |
022c6d45 | 1477 | // Search for the list of descriptors that contain BaseAddress\r |
28a00297 | 1478 | //\r |
1479 | Status = CoreSearchGcdMapEntry (BaseAddress, 1, &StartLink, &EndLink, &mGcdMemorySpaceMap);\r | |
1480 | if (EFI_ERROR (Status)) {\r | |
1481 | Status = EFI_NOT_FOUND;\r | |
1482 | } else {\r | |
d2fbaaab | 1483 | ASSERT (StartLink != NULL && EndLink != NULL);\r |
28a00297 | 1484 | //\r |
1485 | // Copy the contents of the found descriptor into Descriptor\r | |
1486 | //\r | |
1487 | Entry = CR (StartLink, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1488 | BuildMemoryDescriptor (Descriptor, Entry);\r | |
1489 | }\r | |
1490 | \r | |
1491 | CoreReleaseGcdMemoryLock ();\r | |
1492 | \r | |
1493 | return Status;\r | |
1494 | }\r | |
1495 | \r | |
162ed594 | 1496 | \r |
1497 | /**\r | |
1498 | Modifies the attributes for a memory region in the global coherency domain of the\r | |
1499 | processor.\r | |
1500 | \r | |
022c6d45 | 1501 | @param BaseAddress Specified start address\r |
1502 | @param Length Specified length\r | |
1503 | @param Attributes Specified attributes\r | |
162ed594 | 1504 | \r |
022c6d45 | 1505 | @retval EFI_SUCCESS Successfully set attribute of a segment of\r |
162ed594 | 1506 | memory space.\r |
1507 | \r | |
1508 | **/\r | |
28a00297 | 1509 | EFI_STATUS\r |
3b6ffb6a | 1510 | EFIAPI\r |
28a00297 | 1511 | CoreSetMemorySpaceAttributes (\r |
1512 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1513 | IN UINT64 Length,\r | |
1514 | IN UINT64 Attributes\r | |
1515 | )\r | |
162ed594 | 1516 | {\r |
f9d1f97c | 1517 | DEBUG ((DEBUG_GCD, "GCD:SetMemorySpaceAttributes(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1518 | DEBUG ((DEBUG_GCD, " Attributes = %016lx\n", Attributes));\r | |
1519 | \r | |
162ed594 | 1520 | return CoreConvertSpace (GCD_SET_ATTRIBUTES_MEMORY_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, 0, Attributes);\r |
1521 | }\r | |
28a00297 | 1522 | \r |
28a00297 | 1523 | \r |
162ed594 | 1524 | /**\r |
1525 | Returns a map of the memory resources in the global coherency domain of the\r | |
1526 | processor.\r | |
28a00297 | 1527 | \r |
022c6d45 | 1528 | @param NumberOfDescriptors Number of descriptors.\r |
1529 | @param MemorySpaceMap Descriptor array\r | |
28a00297 | 1530 | \r |
022c6d45 | 1531 | @retval EFI_INVALID_PARAMETER Invalid parameter\r |
1532 | @retval EFI_OUT_OF_RESOURCES No enough buffer to allocate\r | |
162ed594 | 1533 | @retval EFI_SUCCESS Successfully get memory space map.\r |
28a00297 | 1534 | \r |
162ed594 | 1535 | **/\r |
28a00297 | 1536 | EFI_STATUS\r |
3b6ffb6a | 1537 | EFIAPI\r |
28a00297 | 1538 | CoreGetMemorySpaceMap (\r |
1539 | OUT UINTN *NumberOfDescriptors,\r | |
1540 | OUT EFI_GCD_MEMORY_SPACE_DESCRIPTOR **MemorySpaceMap\r | |
1541 | )\r | |
28a00297 | 1542 | {\r |
1543 | EFI_STATUS Status;\r | |
1544 | LIST_ENTRY *Link;\r | |
1545 | EFI_GCD_MAP_ENTRY *Entry;\r | |
1546 | EFI_GCD_MEMORY_SPACE_DESCRIPTOR *Descriptor;\r | |
1547 | \r | |
1548 | //\r | |
1549 | // Make sure parameters are valid\r | |
1550 | //\r | |
1551 | if (NumberOfDescriptors == NULL) {\r | |
1552 | return EFI_INVALID_PARAMETER;\r | |
1553 | }\r | |
1554 | if (MemorySpaceMap == NULL) {\r | |
1555 | return EFI_INVALID_PARAMETER;\r | |
1556 | }\r | |
1557 | \r | |
1558 | CoreAcquireGcdMemoryLock ();\r | |
1559 | \r | |
1560 | //\r | |
1561 | // Count the number of descriptors\r | |
1562 | //\r | |
1563 | *NumberOfDescriptors = CoreCountGcdMapEntry (&mGcdMemorySpaceMap);\r | |
1564 | \r | |
1565 | //\r | |
1566 | // Allocate the MemorySpaceMap\r | |
1567 | //\r | |
9c4ac31c | 1568 | *MemorySpaceMap = AllocatePool (*NumberOfDescriptors * sizeof (EFI_GCD_MEMORY_SPACE_DESCRIPTOR));\r |
28a00297 | 1569 | if (*MemorySpaceMap == NULL) {\r |
1570 | Status = EFI_OUT_OF_RESOURCES;\r | |
1571 | goto Done;\r | |
1572 | }\r | |
1573 | \r | |
1574 | //\r | |
1575 | // Fill in the MemorySpaceMap\r | |
1576 | //\r | |
1577 | Descriptor = *MemorySpaceMap;\r | |
1578 | Link = mGcdMemorySpaceMap.ForwardLink;\r | |
1579 | while (Link != &mGcdMemorySpaceMap) {\r | |
1580 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1581 | BuildMemoryDescriptor (Descriptor, Entry);\r | |
1582 | Descriptor++;\r | |
1583 | Link = Link->ForwardLink;\r | |
1584 | }\r | |
1585 | Status = EFI_SUCCESS;\r | |
1586 | \r | |
1587 | Done:\r | |
1588 | CoreReleaseGcdMemoryLock ();\r | |
1589 | return Status;\r | |
1590 | }\r | |
1591 | \r | |
162ed594 | 1592 | \r |
1593 | /**\r | |
1594 | Adds reserved I/O or I/O resources to the global coherency domain of the processor.\r | |
1595 | \r | |
022c6d45 | 1596 | @param GcdIoType IO type of the segment.\r |
1597 | @param BaseAddress Base address of the segment.\r | |
1598 | @param Length Length of the segment.\r | |
162ed594 | 1599 | \r |
022c6d45 | 1600 | @retval EFI_SUCCESS Merged this segment into GCD map.\r |
162ed594 | 1601 | @retval EFI_INVALID_PARAMETER Parameter not valid\r |
1602 | \r | |
1603 | **/\r | |
28a00297 | 1604 | EFI_STATUS\r |
3b6ffb6a | 1605 | EFIAPI\r |
28a00297 | 1606 | CoreAddIoSpace (\r |
1607 | IN EFI_GCD_IO_TYPE GcdIoType,\r | |
1608 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1609 | IN UINT64 Length\r | |
1610 | )\r | |
28a00297 | 1611 | {\r |
f9d1f97c | 1612 | DEBUG ((DEBUG_GCD, "GCD:AddIoSpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1613 | DEBUG ((DEBUG_GCD, " GcdIoType = %a\n", mGcdIoTypeNames[MIN (GcdIoType, EfiGcdIoTypeMaximum)]));\r | |
1614 | \r | |
28a00297 | 1615 | //\r |
1616 | // Make sure parameters are valid\r | |
1617 | //\r | |
1618 | if (GcdIoType <= EfiGcdIoTypeNonExistent || GcdIoType >= EfiGcdIoTypeMaximum) {\r | |
1619 | return EFI_INVALID_PARAMETER;\r | |
1620 | }\r | |
1621 | return CoreConvertSpace (GCD_ADD_IO_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, GcdIoType, BaseAddress, Length, 0, 0);\r | |
1622 | }\r | |
1623 | \r | |
162ed594 | 1624 | \r |
1625 | /**\r | |
1626 | Allocates nonexistent I/O, reserved I/O, or I/O resources from the global coherency\r | |
1627 | domain of the processor.\r | |
1628 | \r | |
022c6d45 | 1629 | @param GcdAllocateType The type of allocate operation\r |
1630 | @param GcdIoType The desired IO type\r | |
1631 | @param Alignment Align with 2^Alignment\r | |
1632 | @param Length Length to allocate\r | |
1633 | @param BaseAddress Base address to allocate\r | |
1634 | @param ImageHandle The image handle consume the allocated space.\r | |
1635 | @param DeviceHandle The device handle consume the allocated space.\r | |
162ed594 | 1636 | \r |
022c6d45 | 1637 | @retval EFI_INVALID_PARAMETER Invalid parameter.\r |
1638 | @retval EFI_NOT_FOUND No descriptor contains the desired space.\r | |
162ed594 | 1639 | @retval EFI_SUCCESS IO space successfully allocated.\r |
1640 | \r | |
1641 | **/\r | |
28a00297 | 1642 | EFI_STATUS\r |
3b6ffb6a | 1643 | EFIAPI\r |
28a00297 | 1644 | CoreAllocateIoSpace (\r |
1645 | IN EFI_GCD_ALLOCATE_TYPE GcdAllocateType,\r | |
1646 | IN EFI_GCD_IO_TYPE GcdIoType,\r | |
1647 | IN UINTN Alignment,\r | |
1648 | IN UINT64 Length,\r | |
1649 | IN OUT EFI_PHYSICAL_ADDRESS *BaseAddress,\r | |
1650 | IN EFI_HANDLE ImageHandle,\r | |
1651 | IN EFI_HANDLE DeviceHandle OPTIONAL\r | |
1652 | )\r | |
28a00297 | 1653 | {\r |
f9d1f97c | 1654 | DEBUG ((DEBUG_GCD, "GCD:AllocateIoSpace(Base=%016lx,Length=%016lx)\n", *BaseAddress, Length));\r |
1655 | DEBUG ((DEBUG_GCD, " GcdAllocateType = %a\n", mGcdAllocationTypeNames[MIN (GcdAllocateType, EfiGcdMaxAllocateType)]));\r | |
1656 | DEBUG ((DEBUG_GCD, " GcdMemoryType = %a\n", mGcdIoTypeNames[MIN (GcdIoType, EfiGcdMemoryTypeMaximum)]));\r | |
1657 | DEBUG ((DEBUG_GCD, " Alignment = %016lx\n", LShiftU64 (1, Alignment)));\r | |
1658 | DEBUG ((DEBUG_GCD, " ImageHandle = %p\n", ImageHandle));\r | |
1659 | DEBUG ((DEBUG_GCD, " DeviceHandle = %p\n", DeviceHandle));\r | |
1660 | \r | |
28a00297 | 1661 | return CoreAllocateSpace (\r |
022c6d45 | 1662 | GCD_ALLOCATE_IO_OPERATION,\r |
1663 | GcdAllocateType,\r | |
1664 | (EFI_GCD_MEMORY_TYPE) 0,\r | |
1665 | GcdIoType,\r | |
1666 | Alignment,\r | |
1667 | Length,\r | |
1668 | BaseAddress,\r | |
1669 | ImageHandle,\r | |
28a00297 | 1670 | DeviceHandle\r |
1671 | );\r | |
1672 | }\r | |
1673 | \r | |
28a00297 | 1674 | \r |
162ed594 | 1675 | /**\r |
28a00297 | 1676 | Frees nonexistent I/O, reserved I/O, or I/O resources from the global coherency\r |
162ed594 | 1677 | domain of the processor.\r |
28a00297 | 1678 | \r |
022c6d45 | 1679 | @param BaseAddress Base address of the segment.\r |
1680 | @param Length Length of the segment.\r | |
28a00297 | 1681 | \r |
162ed594 | 1682 | @retval EFI_SUCCESS Space successfully freed.\r |
28a00297 | 1683 | \r |
162ed594 | 1684 | **/\r |
28a00297 | 1685 | EFI_STATUS\r |
3b6ffb6a | 1686 | EFIAPI\r |
162ed594 | 1687 | CoreFreeIoSpace (\r |
28a00297 | 1688 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r |
1689 | IN UINT64 Length\r | |
1690 | )\r | |
162ed594 | 1691 | {\r |
f9d1f97c | 1692 | DEBUG ((DEBUG_GCD, "GCD:FreeIoSpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1693 | \r | |
162ed594 | 1694 | return CoreConvertSpace (GCD_FREE_IO_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, 0, 0);\r |
1695 | }\r | |
28a00297 | 1696 | \r |
28a00297 | 1697 | \r |
162ed594 | 1698 | /**\r |
28a00297 | 1699 | Removes reserved I/O or I/O resources from the global coherency domain of the\r |
162ed594 | 1700 | processor.\r |
28a00297 | 1701 | \r |
022c6d45 | 1702 | @param BaseAddress Base address of the segment.\r |
1703 | @param Length Length of the segment.\r | |
28a00297 | 1704 | \r |
162ed594 | 1705 | @retval EFI_SUCCESS Successfully removed a segment of IO space.\r |
28a00297 | 1706 | \r |
162ed594 | 1707 | **/\r |
1708 | EFI_STATUS\r | |
3b6ffb6a | 1709 | EFIAPI\r |
162ed594 | 1710 | CoreRemoveIoSpace (\r |
1711 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1712 | IN UINT64 Length\r | |
1713 | )\r | |
28a00297 | 1714 | {\r |
f9d1f97c | 1715 | DEBUG ((DEBUG_GCD, "GCD:RemoveIoSpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1716 | \r | |
28a00297 | 1717 | return CoreConvertSpace (GCD_REMOVE_IO_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, 0, 0);\r |
1718 | }\r | |
1719 | \r | |
162ed594 | 1720 | \r |
1721 | /**\r | |
1722 | Build a IO descriptor according to an entry.\r | |
1723 | \r | |
022c6d45 | 1724 | @param Descriptor The descriptor to be built\r |
162ed594 | 1725 | @param Entry According to this entry\r |
1726 | \r | |
1727 | **/\r | |
28a00297 | 1728 | VOID\r |
1729 | BuildIoDescriptor (\r | |
1730 | IN EFI_GCD_IO_SPACE_DESCRIPTOR *Descriptor,\r | |
1731 | IN EFI_GCD_MAP_ENTRY *Entry\r | |
1732 | )\r | |
28a00297 | 1733 | {\r |
1734 | Descriptor->BaseAddress = Entry->BaseAddress;\r | |
1735 | Descriptor->Length = Entry->EndAddress - Entry->BaseAddress + 1;\r | |
1736 | Descriptor->GcdIoType = Entry->GcdIoType;\r | |
1737 | Descriptor->ImageHandle = Entry->ImageHandle;\r | |
1738 | Descriptor->DeviceHandle = Entry->DeviceHandle;\r | |
1739 | }\r | |
1740 | \r | |
28a00297 | 1741 | \r |
162ed594 | 1742 | /**\r |
28a00297 | 1743 | Retrieves the descriptor for an I/O region containing a specified address.\r |
1744 | \r | |
022c6d45 | 1745 | @param BaseAddress Specified start address\r |
1746 | @param Descriptor Specified length\r | |
28a00297 | 1747 | \r |
022c6d45 | 1748 | @retval EFI_INVALID_PARAMETER Descriptor is NULL.\r |
162ed594 | 1749 | @retval EFI_SUCCESS Successfully get the IO space descriptor.\r |
28a00297 | 1750 | \r |
162ed594 | 1751 | **/\r |
1752 | EFI_STATUS\r | |
3b6ffb6a | 1753 | EFIAPI\r |
162ed594 | 1754 | CoreGetIoSpaceDescriptor (\r |
1755 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1756 | OUT EFI_GCD_IO_SPACE_DESCRIPTOR *Descriptor\r | |
1757 | )\r | |
28a00297 | 1758 | {\r |
1759 | EFI_STATUS Status;\r | |
1760 | LIST_ENTRY *StartLink;\r | |
1761 | LIST_ENTRY *EndLink;\r | |
1762 | EFI_GCD_MAP_ENTRY *Entry;\r | |
1763 | \r | |
1764 | //\r | |
1765 | // Make sure parameters are valid\r | |
1766 | //\r | |
1767 | if (Descriptor == NULL) {\r | |
1768 | return EFI_INVALID_PARAMETER;\r | |
1769 | }\r | |
1770 | \r | |
1771 | CoreAcquireGcdIoLock ();\r | |
1772 | \r | |
1773 | //\r | |
022c6d45 | 1774 | // Search for the list of descriptors that contain BaseAddress\r |
28a00297 | 1775 | //\r |
1776 | Status = CoreSearchGcdMapEntry (BaseAddress, 1, &StartLink, &EndLink, &mGcdIoSpaceMap);\r | |
1777 | if (EFI_ERROR (Status)) {\r | |
1778 | Status = EFI_NOT_FOUND;\r | |
1779 | } else {\r | |
d2fbaaab | 1780 | ASSERT (StartLink != NULL && EndLink != NULL);\r |
28a00297 | 1781 | //\r |
1782 | // Copy the contents of the found descriptor into Descriptor\r | |
1783 | //\r | |
1784 | Entry = CR (StartLink, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1785 | BuildIoDescriptor (Descriptor, Entry);\r | |
1786 | }\r | |
1787 | \r | |
1788 | CoreReleaseGcdIoLock ();\r | |
1789 | \r | |
1790 | return Status;\r | |
1791 | }\r | |
1792 | \r | |
28a00297 | 1793 | \r |
162ed594 | 1794 | /**\r |
28a00297 | 1795 | Returns a map of the I/O resources in the global coherency domain of the processor.\r |
1796 | \r | |
022c6d45 | 1797 | @param NumberOfDescriptors Number of descriptors.\r |
1798 | @param IoSpaceMap Descriptor array\r | |
28a00297 | 1799 | \r |
022c6d45 | 1800 | @retval EFI_INVALID_PARAMETER Invalid parameter\r |
1801 | @retval EFI_OUT_OF_RESOURCES No enough buffer to allocate\r | |
162ed594 | 1802 | @retval EFI_SUCCESS Successfully get IO space map.\r |
28a00297 | 1803 | \r |
162ed594 | 1804 | **/\r |
1805 | EFI_STATUS\r | |
3b6ffb6a | 1806 | EFIAPI\r |
162ed594 | 1807 | CoreGetIoSpaceMap (\r |
1808 | OUT UINTN *NumberOfDescriptors,\r | |
1809 | OUT EFI_GCD_IO_SPACE_DESCRIPTOR **IoSpaceMap\r | |
1810 | )\r | |
28a00297 | 1811 | {\r |
1812 | EFI_STATUS Status;\r | |
1813 | LIST_ENTRY *Link;\r | |
1814 | EFI_GCD_MAP_ENTRY *Entry;\r | |
1815 | EFI_GCD_IO_SPACE_DESCRIPTOR *Descriptor;\r | |
1816 | \r | |
1817 | //\r | |
1818 | // Make sure parameters are valid\r | |
1819 | //\r | |
1820 | if (NumberOfDescriptors == NULL) {\r | |
1821 | return EFI_INVALID_PARAMETER;\r | |
1822 | }\r | |
1823 | if (IoSpaceMap == NULL) {\r | |
1824 | return EFI_INVALID_PARAMETER;\r | |
1825 | }\r | |
1826 | \r | |
1827 | CoreAcquireGcdIoLock ();\r | |
1828 | \r | |
1829 | //\r | |
1830 | // Count the number of descriptors\r | |
1831 | //\r | |
1832 | *NumberOfDescriptors = CoreCountGcdMapEntry (&mGcdIoSpaceMap);\r | |
1833 | \r | |
1834 | //\r | |
1835 | // Allocate the IoSpaceMap\r | |
1836 | //\r | |
9c4ac31c | 1837 | *IoSpaceMap = AllocatePool (*NumberOfDescriptors * sizeof (EFI_GCD_IO_SPACE_DESCRIPTOR));\r |
28a00297 | 1838 | if (*IoSpaceMap == NULL) {\r |
1839 | Status = EFI_OUT_OF_RESOURCES;\r | |
1840 | goto Done;\r | |
1841 | }\r | |
1842 | \r | |
1843 | //\r | |
1844 | // Fill in the IoSpaceMap\r | |
1845 | //\r | |
1846 | Descriptor = *IoSpaceMap;\r | |
1847 | Link = mGcdIoSpaceMap.ForwardLink;\r | |
1848 | while (Link != &mGcdIoSpaceMap) {\r | |
1849 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1850 | BuildIoDescriptor (Descriptor, Entry);\r | |
1851 | Descriptor++;\r | |
1852 | Link = Link->ForwardLink;\r | |
1853 | }\r | |
1854 | Status = EFI_SUCCESS;\r | |
1855 | \r | |
1856 | Done:\r | |
1857 | CoreReleaseGcdIoLock ();\r | |
1858 | return Status;\r | |
022c6d45 | 1859 | }\r |
28a00297 | 1860 | \r |
aa927cae | 1861 | \r |
162ed594 | 1862 | /**\r |
1863 | Converts a Resource Descriptor HOB attributes mask to an EFI Memory Descriptor\r | |
1864 | capabilities mask\r | |
1865 | \r | |
022c6d45 | 1866 | @param GcdMemoryType Type of resource in the GCD memory map.\r |
1867 | @param Attributes The attribute mask in the Resource Descriptor\r | |
1868 | HOB.\r | |
162ed594 | 1869 | \r |
1870 | @return The capabilities mask for an EFI Memory Descriptor.\r | |
1871 | \r | |
1872 | **/\r | |
28a00297 | 1873 | UINT64\r |
1874 | CoreConvertResourceDescriptorHobAttributesToCapabilities (\r | |
1875 | EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
1876 | UINT64 Attributes\r | |
1877 | )\r | |
28a00297 | 1878 | {\r |
1879 | UINT64 Capabilities;\r | |
1880 | GCD_ATTRIBUTE_CONVERSION_ENTRY *Conversion;\r | |
022c6d45 | 1881 | \r |
28a00297 | 1882 | //\r |
1883 | // Convert the Resource HOB Attributes to an EFI Memory Capabilities mask\r | |
1884 | //\r | |
1885 | for (Capabilities = 0, Conversion = mAttributeConversionTable; Conversion->Attribute != 0; Conversion++) {\r | |
1886 | if (Conversion->Memory || (GcdMemoryType != EfiGcdMemoryTypeSystemMemory)) {\r | |
1887 | if (Attributes & Conversion->Attribute) {\r | |
1888 | Capabilities |= Conversion->Capability;\r | |
1889 | }\r | |
1890 | }\r | |
1891 | }\r | |
022c6d45 | 1892 | \r |
28a00297 | 1893 | return Capabilities;\r |
1894 | }\r | |
1895 | \r | |
28a00297 | 1896 | \r |
162ed594 | 1897 | /**\r |
c18f12d3 | 1898 | External function. Initializes memory services based on the memory\r |
1899 | descriptor HOBs. This function is responsible for priming the memory\r | |
1900 | map, so memory allocations and resource allocations can be made.\r | |
1901 | The first part of this function can not depend on any memory services\r | |
1902 | until at least one memory descriptor is provided to the memory services.\r | |
28a00297 | 1903 | \r |
022c6d45 | 1904 | @param HobStart The start address of the HOB.\r |
1905 | @param MemoryBaseAddress Start address of memory region found to init DXE\r | |
1906 | core.\r | |
1907 | @param MemoryLength Length of memory region found to init DXE core.\r | |
28a00297 | 1908 | \r |
162ed594 | 1909 | @retval EFI_SUCCESS Memory services successfully initialized.\r |
28a00297 | 1910 | \r |
162ed594 | 1911 | **/\r |
1912 | EFI_STATUS\r | |
1913 | CoreInitializeMemoryServices (\r | |
1914 | IN VOID **HobStart,\r | |
1915 | OUT EFI_PHYSICAL_ADDRESS *MemoryBaseAddress,\r | |
1916 | OUT UINT64 *MemoryLength\r | |
1917 | )\r | |
28a00297 | 1918 | {\r |
1919 | EFI_PEI_HOB_POINTERS Hob;\r | |
1920 | EFI_MEMORY_TYPE_INFORMATION *EfiMemoryTypeInformation;\r | |
1921 | UINTN DataSize;\r | |
1922 | BOOLEAN Found;\r | |
1923 | EFI_HOB_HANDOFF_INFO_TABLE *PhitHob;\r | |
1924 | EFI_HOB_RESOURCE_DESCRIPTOR *ResourceHob;\r | |
1925 | EFI_HOB_RESOURCE_DESCRIPTOR *PhitResourceHob;\r | |
1926 | EFI_PHYSICAL_ADDRESS BaseAddress;\r | |
1927 | UINT64 Length;\r | |
1928 | UINT64 Attributes;\r | |
1929 | UINT64 Capabilities;\r | |
1930 | EFI_PHYSICAL_ADDRESS MaxMemoryBaseAddress;\r | |
1931 | UINT64 MaxMemoryLength;\r | |
1932 | UINT64 MaxMemoryAttributes;\r | |
1933 | EFI_PHYSICAL_ADDRESS MaxAddress;\r | |
1934 | EFI_PHYSICAL_ADDRESS HighAddress;\r | |
1935 | EFI_HOB_RESOURCE_DESCRIPTOR *MaxResourceHob;\r | |
1936 | EFI_HOB_GUID_TYPE *GuidHob;\r | |
54ea99a7 | 1937 | UINT32 ReservedCodePageNumber;\r |
28a00297 | 1938 | \r |
1939 | //\r | |
1940 | // Point at the first HOB. This must be the PHIT HOB.\r | |
1941 | //\r | |
1942 | Hob.Raw = *HobStart;\r | |
1943 | ASSERT (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_HANDOFF);\r | |
1944 | \r | |
1945 | //\r | |
1946 | // Initialize the spin locks and maps in the memory services.\r | |
1947 | // Also fill in the memory services into the EFI Boot Services Table\r | |
1948 | //\r | |
1949 | CoreInitializePool ();\r | |
1950 | \r | |
1951 | //\r | |
1952 | // Initialize Local Variables\r | |
1953 | //\r | |
1954 | PhitResourceHob = NULL;\r | |
1955 | MaxResourceHob = NULL;\r | |
1956 | ResourceHob = NULL;\r | |
1957 | BaseAddress = 0;\r | |
1958 | Length = 0;\r | |
1959 | Attributes = 0;\r | |
1960 | MaxMemoryBaseAddress = 0;\r | |
1961 | MaxMemoryLength = 0;\r | |
1962 | MaxMemoryAttributes = 0;\r | |
1963 | \r | |
1964 | //\r | |
1965 | // Cache the PHIT HOB for later use\r | |
1966 | //\r | |
1967 | PhitHob = Hob.HandoffInformationTable;\r | |
54ea99a7 | 1968 | \r |
852081fc | 1969 | if (PcdGet64(PcdLoadModuleAtFixAddressEnable) != 0) {\r |
54ea99a7 | 1970 | ReservedCodePageNumber = PcdGet32(PcdLoadFixAddressRuntimeCodePageNumber);\r |
1971 | ReservedCodePageNumber += PcdGet32(PcdLoadFixAddressBootTimeCodePageNumber);\r | |
1972 | \r | |
1973 | //\r | |
1974 | // cache the Top address for loading modules at Fixed Address \r | |
1975 | //\r | |
1976 | gLoadModuleAtFixAddressConfigurationTable.DxeCodeTopAddress = PhitHob->EfiMemoryTop \r | |
1977 | + EFI_PAGES_TO_SIZE(ReservedCodePageNumber);\r | |
1978 | }\r | |
28a00297 | 1979 | //\r |
1980 | // See if a Memory Type Information HOB is available\r | |
1981 | //\r | |
1982 | GuidHob = GetFirstGuidHob (&gEfiMemoryTypeInformationGuid);\r | |
1983 | if (GuidHob != NULL) {\r | |
1984 | EfiMemoryTypeInformation = GET_GUID_HOB_DATA (GuidHob);\r | |
1985 | DataSize = GET_GUID_HOB_DATA_SIZE (GuidHob);\r | |
1986 | if (EfiMemoryTypeInformation != NULL && DataSize > 0 && DataSize <= (EfiMaxMemoryType + 1) * sizeof (EFI_MEMORY_TYPE_INFORMATION)) {\r | |
1987 | CopyMem (&gMemoryTypeInformation, EfiMemoryTypeInformation, DataSize);\r | |
1988 | }\r | |
1989 | }\r | |
1990 | \r | |
1991 | //\r | |
1992 | // Find the Resource Descriptor HOB that contains range FreeMemoryBaseAddress..FreeMemoryLength\r | |
1993 | //\r | |
1994 | Length = 0;\r | |
1995 | Found = FALSE;\r | |
1996 | for (Hob.Raw = *HobStart; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {\r | |
1997 | \r | |
1998 | if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {\r | |
1999 | \r | |
2000 | ResourceHob = Hob.ResourceDescriptor;\r | |
2001 | \r | |
2002 | if (ResourceHob->ResourceType == EFI_RESOURCE_SYSTEM_MEMORY &&\r | |
2003 | (ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) == TESTED_MEMORY_ATTRIBUTES ) {\r | |
2004 | \r | |
022c6d45 | 2005 | if (PhitHob->EfiFreeMemoryBottom >= ResourceHob->PhysicalStart &&\r |
28a00297 | 2006 | PhitHob->EfiFreeMemoryTop <= (ResourceHob->PhysicalStart + ResourceHob->ResourceLength) ) {\r |
2007 | \r | |
2008 | //\r | |
2009 | // Cache the resource descriptor HOB for the memory region described by the PHIT HOB\r | |
2010 | //\r | |
2011 | PhitResourceHob = ResourceHob;\r | |
2012 | Found = TRUE;\r | |
2013 | \r | |
2014 | Attributes = PhitResourceHob->ResourceAttribute;\r | |
2015 | BaseAddress = PageAlignAddress (PhitHob->EfiMemoryTop);\r | |
2016 | Length = PageAlignLength (ResourceHob->PhysicalStart + ResourceHob->ResourceLength - BaseAddress);\r | |
2017 | if (Length < MINIMUM_INITIAL_MEMORY_SIZE) {\r | |
2018 | BaseAddress = PageAlignAddress (PhitHob->EfiFreeMemoryBottom);\r | |
2019 | Length = PageAlignLength (PhitHob->EfiFreeMemoryTop - BaseAddress);\r | |
2020 | if (Length < MINIMUM_INITIAL_MEMORY_SIZE) {\r | |
2021 | BaseAddress = PageAlignAddress (ResourceHob->PhysicalStart);\r | |
2022 | Length = PageAlignLength ((UINT64)((UINTN)*HobStart - BaseAddress));\r | |
2023 | }\r | |
2024 | }\r | |
2025 | break;\r | |
2026 | }\r | |
2027 | }\r | |
2028 | }\r | |
2029 | }\r | |
2030 | \r | |
2031 | //\r | |
2032 | // Assert if a resource descriptor HOB for the memory region described by the PHIT was not found\r | |
2033 | //\r | |
2034 | ASSERT (Found);\r | |
2035 | \r | |
2036 | //\r | |
2037 | // Search all the resource descriptor HOBs from the highest possible addresses down for a memory\r | |
2038 | // region that is big enough to initialize the DXE core. Always skip the PHIT Resource HOB.\r | |
2039 | // The max address must be within the physically addressible range for the processor.\r | |
2040 | //\r | |
2041 | MaxMemoryLength = 0;\r | |
f3f2e05d | 2042 | MaxAddress = MAX_ADDRESS;\r |
28a00297 | 2043 | do {\r |
2044 | HighAddress = 0;\r | |
2045 | Found = FALSE;\r | |
2046 | //\r | |
2047 | // Search for a tested memory region that is below MaxAddress\r | |
2048 | //\r | |
2049 | for (Hob.Raw = *HobStart; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {\r | |
2050 | \r | |
2051 | //\r | |
2052 | // See if this is a resource descriptor HOB that does not contain the PHIT.\r | |
2053 | //\r | |
2054 | if (Hob.ResourceDescriptor != PhitResourceHob && GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {\r | |
2055 | \r | |
2056 | ResourceHob = Hob.ResourceDescriptor;\r | |
2057 | //\r | |
2058 | // See if this resource descrior HOB describes tested system memory below MaxAddress\r | |
2059 | //\r | |
e94a9ff7 | 2060 | if (ResourceHob->ResourceType == EFI_RESOURCE_SYSTEM_MEMORY &&\r |
2061 | (ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) == TESTED_MEMORY_ATTRIBUTES &&\r | |
2062 | ResourceHob->PhysicalStart + ResourceHob->ResourceLength <= MaxAddress) {\r | |
28a00297 | 2063 | //\r |
2064 | // See if this is the highest tested system memory region below MaxAddress\r | |
2065 | //\r | |
2066 | if (ResourceHob->PhysicalStart > HighAddress) {\r | |
2067 | \r | |
2068 | MaxResourceHob = ResourceHob;\r | |
2069 | HighAddress = MaxResourceHob->PhysicalStart;\r | |
2070 | Found = TRUE;\r | |
2071 | }\r | |
2072 | }\r | |
2073 | }\r | |
2074 | }\r | |
2075 | if (Found) {\r | |
2076 | //\r | |
2077 | // Compute the size of the tested memory region below MaxAddrees\r | |
2078 | //\r | |
2079 | MaxMemoryBaseAddress = PageAlignAddress (MaxResourceHob->PhysicalStart);\r | |
2080 | MaxMemoryLength = PageAlignLength (MaxResourceHob->PhysicalStart + MaxResourceHob->ResourceLength - MaxMemoryBaseAddress);\r | |
2081 | MaxMemoryAttributes = MaxResourceHob->ResourceAttribute;\r | |
2082 | }\r | |
2083 | MaxAddress = ResourceHob->PhysicalStart;\r | |
2084 | } while (Found && MaxMemoryLength < MINIMUM_INITIAL_MEMORY_SIZE);\r | |
2085 | \r | |
e94a9ff7 | 2086 | if ((Length < MINIMUM_INITIAL_MEMORY_SIZE) ||\r |
2087 | (MaxMemoryBaseAddress > BaseAddress && MaxMemoryLength >= MINIMUM_INITIAL_MEMORY_SIZE)) {\r | |
28a00297 | 2088 | BaseAddress = MaxMemoryBaseAddress;\r |
2089 | Length = MaxMemoryLength;\r | |
2090 | Attributes = MaxMemoryAttributes;\r | |
2091 | }\r | |
2092 | \r | |
2093 | //\r | |
2094 | // If no memory regions are found that are big enough to initialize the DXE core, then ASSERT().\r | |
2095 | //\r | |
2096 | ASSERT (Length >= MINIMUM_INITIAL_MEMORY_SIZE);\r | |
2097 | \r | |
2098 | //\r | |
2099 | // Convert the Resource HOB Attributes to an EFI Memory Capabilities mask\r | |
2100 | //\r | |
2101 | Capabilities = CoreConvertResourceDescriptorHobAttributesToCapabilities (EfiGcdMemoryTypeSystemMemory, Attributes);\r | |
2102 | \r | |
2103 | //\r | |
2104 | // Declare the very first memory region, so the EFI Memory Services are available.\r | |
2105 | //\r | |
2106 | CoreAddMemoryDescriptor (\r | |
2107 | EfiConventionalMemory,\r | |
2108 | BaseAddress,\r | |
2109 | RShiftU64 (Length, EFI_PAGE_SHIFT),\r | |
2110 | Capabilities\r | |
2111 | );\r | |
2112 | \r | |
2113 | *MemoryBaseAddress = BaseAddress;\r | |
2114 | *MemoryLength = Length;\r | |
2115 | \r | |
2116 | return EFI_SUCCESS;\r | |
2117 | }\r | |
2118 | \r | |
28a00297 | 2119 | \r |
162ed594 | 2120 | /**\r |
2121 | External function. Initializes the GCD and memory services based on the memory\r | |
28a00297 | 2122 | descriptor HOBs. This function is responsible for priming the GCD map and the\r |
c18f12d3 | 2123 | memory map, so memory allocations and resource allocations can be made. The\r |
2124 | HobStart will be relocated to a pool buffer.\r | |
28a00297 | 2125 | \r |
022c6d45 | 2126 | @param HobStart The start address of the HOB\r |
2127 | @param MemoryBaseAddress Start address of memory region found to init DXE\r | |
2128 | core.\r | |
2129 | @param MemoryLength Length of memory region found to init DXE core.\r | |
28a00297 | 2130 | \r |
162ed594 | 2131 | @retval EFI_SUCCESS GCD services successfully initialized.\r |
28a00297 | 2132 | \r |
162ed594 | 2133 | **/\r |
2134 | EFI_STATUS\r | |
2135 | CoreInitializeGcdServices (\r | |
e94a9ff7 | 2136 | IN OUT VOID **HobStart,\r |
162ed594 | 2137 | IN EFI_PHYSICAL_ADDRESS MemoryBaseAddress,\r |
2138 | IN UINT64 MemoryLength\r | |
2139 | )\r | |
28a00297 | 2140 | {\r |
e94a9ff7 | 2141 | EFI_PEI_HOB_POINTERS Hob;\r |
28a00297 | 2142 | VOID *NewHobList;\r |
e94a9ff7 | 2143 | EFI_HOB_HANDOFF_INFO_TABLE *PhitHob;\r |
28a00297 | 2144 | UINT8 SizeOfMemorySpace;\r |
2145 | UINT8 SizeOfIoSpace;\r | |
2146 | EFI_HOB_RESOURCE_DESCRIPTOR *ResourceHob;\r | |
2147 | EFI_PHYSICAL_ADDRESS BaseAddress;\r | |
2148 | UINT64 Length;\r | |
2149 | EFI_STATUS Status;\r | |
2150 | EFI_GCD_MAP_ENTRY *Entry;\r | |
2151 | EFI_GCD_MEMORY_TYPE GcdMemoryType;\r | |
2152 | EFI_GCD_IO_TYPE GcdIoType;\r | |
2153 | EFI_GCD_MEMORY_SPACE_DESCRIPTOR Descriptor;\r | |
2154 | EFI_HOB_MEMORY_ALLOCATION *MemoryHob;\r | |
2155 | EFI_HOB_FIRMWARE_VOLUME *FirmwareVolumeHob;\r | |
2156 | UINTN NumberOfDescriptors;\r | |
2157 | EFI_GCD_MEMORY_SPACE_DESCRIPTOR *MemorySpaceMap;\r | |
2158 | UINTN Index;\r | |
2159 | UINT64 Capabilities;\r | |
2160 | EFI_HOB_CPU * CpuHob;\r | |
e94a9ff7 | 2161 | \r |
28a00297 | 2162 | //\r |
2163 | // Cache the PHIT HOB for later use\r | |
2164 | //\r | |
2165 | PhitHob = (EFI_HOB_HANDOFF_INFO_TABLE *)(*HobStart);\r | |
2166 | \r | |
2167 | //\r | |
2168 | // Get the number of address lines in the I/O and Memory space for the CPU\r | |
2169 | //\r | |
2170 | CpuHob = GetFirstHob (EFI_HOB_TYPE_CPU);\r | |
2171 | ASSERT (CpuHob != NULL);\r | |
2172 | SizeOfMemorySpace = CpuHob->SizeOfMemorySpace;\r | |
2173 | SizeOfIoSpace = CpuHob->SizeOfIoSpace;\r | |
022c6d45 | 2174 | \r |
28a00297 | 2175 | //\r |
2176 | // Initialize the GCD Memory Space Map\r | |
2177 | //\r | |
9c4ac31c | 2178 | Entry = AllocateCopyPool (sizeof (EFI_GCD_MAP_ENTRY), &mGcdMemorySpaceMapEntryTemplate);\r |
28a00297 | 2179 | ASSERT (Entry != NULL);\r |
2180 | \r | |
2181 | Entry->EndAddress = LShiftU64 (1, SizeOfMemorySpace) - 1;\r | |
2182 | \r | |
2183 | InsertHeadList (&mGcdMemorySpaceMap, &Entry->Link);\r | |
2184 | \r | |
aa927cae | 2185 | CoreDumpGcdMemorySpaceMap (TRUE);\r |
f9d1f97c | 2186 | \r |
28a00297 | 2187 | //\r |
2188 | // Initialize the GCD I/O Space Map\r | |
2189 | //\r | |
9c4ac31c | 2190 | Entry = AllocateCopyPool (sizeof (EFI_GCD_MAP_ENTRY), &mGcdIoSpaceMapEntryTemplate);\r |
28a00297 | 2191 | ASSERT (Entry != NULL);\r |
2192 | \r | |
2193 | Entry->EndAddress = LShiftU64 (1, SizeOfIoSpace) - 1;\r | |
2194 | \r | |
2195 | InsertHeadList (&mGcdIoSpaceMap, &Entry->Link);\r | |
2196 | \r | |
aa927cae | 2197 | CoreDumpGcdIoSpaceMap (TRUE);\r |
f9d1f97c | 2198 | \r |
28a00297 | 2199 | //\r |
022c6d45 | 2200 | // Walk the HOB list and add all resource descriptors to the GCD\r |
28a00297 | 2201 | //\r |
2202 | for (Hob.Raw = *HobStart; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {\r | |
2203 | \r | |
2204 | GcdMemoryType = EfiGcdMemoryTypeNonExistent;\r | |
2205 | GcdIoType = EfiGcdIoTypeNonExistent;\r | |
2206 | \r | |
2207 | if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {\r | |
2208 | \r | |
2209 | ResourceHob = Hob.ResourceDescriptor;\r | |
2210 | \r | |
2211 | switch (ResourceHob->ResourceType) {\r | |
2212 | case EFI_RESOURCE_SYSTEM_MEMORY:\r | |
2213 | if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) == TESTED_MEMORY_ATTRIBUTES) {\r | |
2214 | GcdMemoryType = EfiGcdMemoryTypeSystemMemory;\r | |
2215 | }\r | |
2216 | if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) == INITIALIZED_MEMORY_ATTRIBUTES) {\r | |
2217 | GcdMemoryType = EfiGcdMemoryTypeReserved;\r | |
2218 | }\r | |
2219 | if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) == PRESENT_MEMORY_ATTRIBUTES) {\r | |
2220 | GcdMemoryType = EfiGcdMemoryTypeReserved;\r | |
2221 | }\r | |
2222 | break;\r | |
2223 | case EFI_RESOURCE_MEMORY_MAPPED_IO:\r | |
2224 | case EFI_RESOURCE_FIRMWARE_DEVICE:\r | |
2225 | GcdMemoryType = EfiGcdMemoryTypeMemoryMappedIo;\r | |
2226 | break;\r | |
2227 | case EFI_RESOURCE_MEMORY_MAPPED_IO_PORT:\r | |
2228 | case EFI_RESOURCE_MEMORY_RESERVED:\r | |
2229 | GcdMemoryType = EfiGcdMemoryTypeReserved;\r | |
2230 | break;\r | |
2231 | case EFI_RESOURCE_IO:\r | |
2232 | GcdIoType = EfiGcdIoTypeIo;\r | |
2233 | break;\r | |
2234 | case EFI_RESOURCE_IO_RESERVED:\r | |
2235 | GcdIoType = EfiGcdIoTypeReserved;\r | |
2236 | break;\r | |
2237 | }\r | |
2238 | \r | |
2239 | if (GcdMemoryType != EfiGcdMemoryTypeNonExistent) {\r | |
28a00297 | 2240 | //\r |
2241 | // Convert the Resource HOB Attributes to an EFI Memory Capabilities mask\r | |
2242 | //\r | |
2243 | Capabilities = CoreConvertResourceDescriptorHobAttributesToCapabilities (\r | |
2244 | GcdMemoryType,\r | |
2245 | ResourceHob->ResourceAttribute\r | |
2246 | );\r | |
2247 | \r | |
2248 | Status = CoreInternalAddMemorySpace (\r | |
2249 | GcdMemoryType,\r | |
2250 | ResourceHob->PhysicalStart,\r | |
2251 | ResourceHob->ResourceLength,\r | |
2252 | Capabilities\r | |
2253 | );\r | |
2254 | }\r | |
2255 | \r | |
2256 | if (GcdIoType != EfiGcdIoTypeNonExistent) {\r | |
2257 | Status = CoreAddIoSpace (\r | |
2258 | GcdIoType,\r | |
2259 | ResourceHob->PhysicalStart,\r | |
2260 | ResourceHob->ResourceLength\r | |
2261 | );\r | |
2262 | }\r | |
2263 | }\r | |
2264 | }\r | |
2265 | \r | |
2266 | //\r | |
2267 | // Allocate first memory region from the GCD by the DXE core\r | |
2268 | //\r | |
2269 | Status = CoreAllocateMemorySpace (\r | |
2270 | EfiGcdAllocateAddress,\r | |
2271 | EfiGcdMemoryTypeSystemMemory,\r | |
2272 | 0,\r | |
2273 | MemoryLength,\r | |
2274 | &MemoryBaseAddress,\r | |
2275 | gDxeCoreImageHandle,\r | |
2276 | NULL\r | |
2277 | );\r | |
2278 | \r | |
2279 | //\r | |
2280 | // Walk the HOB list and allocate all memory space that is consumed by memory allocation HOBs,\r | |
2281 | // and Firmware Volume HOBs. Also update the EFI Memory Map with the memory allocation HOBs.\r | |
2282 | //\r | |
2283 | for (Hob.Raw = *HobStart; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {\r | |
2284 | if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_MEMORY_ALLOCATION) {\r | |
2285 | MemoryHob = Hob.MemoryAllocation;\r | |
2286 | BaseAddress = MemoryHob->AllocDescriptor.MemoryBaseAddress;\r | |
f942f107 | 2287 | Status = CoreGetMemorySpaceDescriptor (BaseAddress, &Descriptor);\r |
28a00297 | 2288 | if (!EFI_ERROR (Status)) {\r |
f942f107 | 2289 | Status = CoreAllocateMemorySpace (\r |
2290 | EfiGcdAllocateAddress,\r | |
022c6d45 | 2291 | Descriptor.GcdMemoryType,\r |
f942f107 | 2292 | 0,\r |
2293 | MemoryHob->AllocDescriptor.MemoryLength,\r | |
2294 | &BaseAddress,\r | |
2295 | gDxeCoreImageHandle,\r | |
2296 | NULL\r | |
2297 | );\r | |
2298 | if (!EFI_ERROR (Status) && Descriptor.GcdMemoryType == EfiGcdMemoryTypeSystemMemory) {\r | |
28a00297 | 2299 | CoreAddMemoryDescriptor (\r |
2300 | MemoryHob->AllocDescriptor.MemoryType,\r | |
2301 | MemoryHob->AllocDescriptor.MemoryBaseAddress,\r | |
2302 | RShiftU64 (MemoryHob->AllocDescriptor.MemoryLength, EFI_PAGE_SHIFT),\r | |
2303 | Descriptor.Capabilities & (~EFI_MEMORY_RUNTIME)\r | |
2304 | );\r | |
2305 | }\r | |
2306 | }\r | |
2307 | }\r | |
2308 | \r | |
2309 | if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_FV) {\r | |
2310 | FirmwareVolumeHob = Hob.FirmwareVolume;\r | |
2311 | BaseAddress = FirmwareVolumeHob->BaseAddress;\r | |
2312 | Status = CoreAllocateMemorySpace (\r | |
2313 | EfiGcdAllocateAddress,\r | |
022c6d45 | 2314 | EfiGcdMemoryTypeMemoryMappedIo,\r |
28a00297 | 2315 | 0,\r |
2316 | FirmwareVolumeHob->Length,\r | |
2317 | &BaseAddress,\r | |
2318 | gDxeCoreImageHandle,\r | |
2319 | NULL\r | |
2320 | );\r | |
2321 | }\r | |
2322 | }\r | |
2323 | \r | |
2324 | //\r | |
2325 | // Relocate HOB List to an allocated pool buffer.\r | |
2326 | //\r | |
9c4ac31c | 2327 | NewHobList = AllocateCopyPool (\r |
022c6d45 | 2328 | (UINTN)PhitHob->EfiFreeMemoryBottom - (UINTN)(*HobStart),\r |
28a00297 | 2329 | *HobStart\r |
2330 | );\r | |
2331 | ASSERT (NewHobList != NULL);\r | |
2332 | \r | |
2333 | *HobStart = NewHobList;\r | |
05339bd7 | 2334 | gHobList = NewHobList;\r |
28a00297 | 2335 | \r |
2336 | //\r | |
2337 | // Add and allocate the remaining unallocated system memory to the memory services.\r | |
2338 | //\r | |
2339 | Status = CoreGetMemorySpaceMap (&NumberOfDescriptors, &MemorySpaceMap);\r | |
311a71b2 | 2340 | ASSERT (Status == EFI_SUCCESS);\r |
2341 | \r | |
28a00297 | 2342 | for (Index = 0; Index < NumberOfDescriptors; Index++) {\r |
2343 | if (MemorySpaceMap[Index].GcdMemoryType == EfiGcdMemoryTypeSystemMemory) {\r | |
2344 | if (MemorySpaceMap[Index].ImageHandle == NULL) {\r | |
2345 | BaseAddress = PageAlignAddress (MemorySpaceMap[Index].BaseAddress);\r | |
2346 | Length = PageAlignLength (MemorySpaceMap[Index].BaseAddress + MemorySpaceMap[Index].Length - BaseAddress);\r | |
383c303c | 2347 | if (Length == 0 || MemorySpaceMap[Index].BaseAddress + MemorySpaceMap[Index].Length < BaseAddress) {\r |
2348 | continue;\r | |
2349 | }\r | |
28a00297 | 2350 | CoreAddMemoryDescriptor (\r |
2351 | EfiConventionalMemory,\r | |
2352 | BaseAddress,\r | |
2353 | RShiftU64 (Length, EFI_PAGE_SHIFT),\r | |
2354 | MemorySpaceMap[Index].Capabilities & (~EFI_MEMORY_RUNTIME)\r | |
2355 | );\r | |
2356 | Status = CoreAllocateMemorySpace (\r | |
2357 | EfiGcdAllocateAddress,\r | |
2358 | EfiGcdMemoryTypeSystemMemory,\r | |
2359 | 0,\r | |
2360 | Length,\r | |
2361 | &BaseAddress,\r | |
2362 | gDxeCoreImageHandle,\r | |
2363 | NULL\r | |
2364 | );\r | |
2365 | }\r | |
2366 | }\r | |
2367 | }\r | |
2368 | CoreFreePool (MemorySpaceMap);\r | |
2369 | \r | |
2370 | return EFI_SUCCESS;\r | |
2371 | }\r |