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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 | |
28a00297 | 396 | \r |
397 | if (BaseAddress > Entry->BaseAddress) {\r | |
f75316c3 | 398 | ASSERT (BottomEntry->Signature == 0);\r |
399 | \r | |
28a00297 | 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 | |
f75316c3 | 407 | ASSERT (TopEntry->Signature == 0);\r |
408 | \r | |
28a00297 | 409 | CopyMem (TopEntry, Entry, sizeof (EFI_GCD_MAP_ENTRY));\r |
410 | TopEntry->BaseAddress = BaseAddress + Length;\r | |
411 | Entry->EndAddress = BaseAddress + Length - 1;\r | |
412 | InsertHeadList (Link, &TopEntry->Link);\r | |
413 | }\r | |
414 | \r | |
415 | return EFI_SUCCESS;\r | |
416 | }\r | |
417 | \r | |
162ed594 | 418 | \r |
419 | /**\r | |
e94a9ff7 | 420 | Merge the Gcd region specified by Link and its adjacent entry.\r |
162ed594 | 421 | \r |
022c6d45 | 422 | @param Link Specify the entry to be merged (with its\r |
423 | adjacent entry).\r | |
424 | @param Forward Direction (forward or backward).\r | |
425 | @param Map Boundary.\r | |
162ed594 | 426 | \r |
022c6d45 | 427 | @retval EFI_SUCCESS Successfully returned.\r |
162ed594 | 428 | @retval EFI_UNSUPPORTED These adjacent regions could not merge.\r |
429 | \r | |
430 | **/\r | |
28a00297 | 431 | EFI_STATUS\r |
432 | CoreMergeGcdMapEntry (\r | |
433 | IN LIST_ENTRY *Link,\r | |
434 | IN BOOLEAN Forward,\r | |
435 | IN LIST_ENTRY *Map\r | |
436 | )\r | |
28a00297 | 437 | {\r |
438 | LIST_ENTRY *AdjacentLink;\r | |
439 | EFI_GCD_MAP_ENTRY *Entry;\r | |
440 | EFI_GCD_MAP_ENTRY *AdjacentEntry;\r | |
441 | \r | |
442 | //\r | |
443 | // Get adjacent entry\r | |
444 | //\r | |
445 | if (Forward) {\r | |
446 | AdjacentLink = Link->ForwardLink;\r | |
447 | } else {\r | |
448 | AdjacentLink = Link->BackLink;\r | |
449 | }\r | |
450 | \r | |
451 | //\r | |
452 | // If AdjacentLink is the head of the list, then no merge can be performed\r | |
453 | //\r | |
454 | if (AdjacentLink == Map) {\r | |
455 | return EFI_SUCCESS;\r | |
456 | }\r | |
457 | \r | |
458 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
459 | AdjacentEntry = CR (AdjacentLink, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
460 | \r | |
461 | if (Entry->Capabilities != AdjacentEntry->Capabilities) {\r | |
462 | return EFI_UNSUPPORTED;\r | |
463 | }\r | |
464 | if (Entry->Attributes != AdjacentEntry->Attributes) {\r | |
465 | return EFI_UNSUPPORTED;\r | |
466 | }\r | |
467 | if (Entry->GcdMemoryType != AdjacentEntry->GcdMemoryType) {\r | |
468 | return EFI_UNSUPPORTED;\r | |
469 | }\r | |
470 | if (Entry->GcdIoType != AdjacentEntry->GcdIoType) {\r | |
471 | return EFI_UNSUPPORTED;\r | |
472 | }\r | |
473 | if (Entry->ImageHandle != AdjacentEntry->ImageHandle) {\r | |
474 | return EFI_UNSUPPORTED;\r | |
475 | }\r | |
476 | if (Entry->DeviceHandle != AdjacentEntry->DeviceHandle) {\r | |
477 | return EFI_UNSUPPORTED;\r | |
478 | }\r | |
479 | \r | |
480 | if (Forward) {\r | |
481 | Entry->EndAddress = AdjacentEntry->EndAddress;\r | |
482 | } else {\r | |
483 | Entry->BaseAddress = AdjacentEntry->BaseAddress;\r | |
484 | }\r | |
485 | RemoveEntryList (AdjacentLink);\r | |
486 | CoreFreePool (AdjacentEntry);\r | |
487 | \r | |
488 | return EFI_SUCCESS;\r | |
489 | }\r | |
490 | \r | |
162ed594 | 491 | \r |
492 | /**\r | |
493 | Merge adjacent entries on total chain.\r | |
494 | \r | |
022c6d45 | 495 | @param TopEntry Top entry of GCD map.\r |
496 | @param BottomEntry Bottom entry of GCD map.\r | |
497 | @param StartLink Start link of the list for this loop.\r | |
498 | @param EndLink End link of the list for this loop.\r | |
499 | @param Map Boundary.\r | |
162ed594 | 500 | \r |
501 | @retval EFI_SUCCESS GCD map successfully cleaned up.\r | |
502 | \r | |
503 | **/\r | |
28a00297 | 504 | EFI_STATUS\r |
505 | CoreCleanupGcdMapEntry (\r | |
506 | IN EFI_GCD_MAP_ENTRY *TopEntry,\r | |
507 | IN EFI_GCD_MAP_ENTRY *BottomEntry,\r | |
508 | IN LIST_ENTRY *StartLink,\r | |
509 | IN LIST_ENTRY *EndLink,\r | |
510 | IN LIST_ENTRY *Map\r | |
511 | )\r | |
28a00297 | 512 | {\r |
513 | LIST_ENTRY *Link;\r | |
514 | \r | |
515 | if (TopEntry->Signature == 0) {\r | |
516 | CoreFreePool (TopEntry);\r | |
517 | }\r | |
518 | if (BottomEntry->Signature == 0) {\r | |
519 | CoreFreePool (BottomEntry);\r | |
520 | }\r | |
521 | \r | |
522 | Link = StartLink;\r | |
523 | while (Link != EndLink->ForwardLink) {\r | |
524 | CoreMergeGcdMapEntry (Link, FALSE, Map);\r | |
525 | Link = Link->ForwardLink;\r | |
526 | }\r | |
527 | CoreMergeGcdMapEntry (EndLink, TRUE, Map);\r | |
528 | \r | |
529 | return EFI_SUCCESS;\r | |
530 | }\r | |
531 | \r | |
162ed594 | 532 | \r |
533 | /**\r | |
534 | Search a segment of memory space in GCD map. The result is a range of GCD entry list.\r | |
535 | \r | |
022c6d45 | 536 | @param BaseAddress The start address of the segment.\r |
537 | @param Length The length of the segment.\r | |
538 | @param StartLink The first GCD entry involves this segment of\r | |
539 | memory space.\r | |
540 | @param EndLink The first GCD entry involves this segment of\r | |
541 | memory space.\r | |
542 | @param Map Points to the start entry to search.\r | |
162ed594 | 543 | \r |
022c6d45 | 544 | @retval EFI_SUCCESS Successfully found the entry.\r |
162ed594 | 545 | @retval EFI_NOT_FOUND Not found.\r |
546 | \r | |
547 | **/\r | |
28a00297 | 548 | EFI_STATUS\r |
549 | CoreSearchGcdMapEntry (\r | |
550 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
551 | IN UINT64 Length,\r | |
552 | OUT LIST_ENTRY **StartLink,\r | |
553 | OUT LIST_ENTRY **EndLink,\r | |
554 | IN LIST_ENTRY *Map\r | |
555 | )\r | |
28a00297 | 556 | {\r |
557 | LIST_ENTRY *Link;\r | |
558 | EFI_GCD_MAP_ENTRY *Entry;\r | |
559 | \r | |
560 | ASSERT (Length != 0);\r | |
561 | \r | |
562 | *StartLink = NULL;\r | |
563 | *EndLink = NULL;\r | |
564 | \r | |
565 | Link = Map->ForwardLink;\r | |
566 | while (Link != Map) {\r | |
567 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
568 | if (BaseAddress >= Entry->BaseAddress && BaseAddress <= Entry->EndAddress) {\r | |
569 | *StartLink = Link;\r | |
570 | }\r | |
571 | if (*StartLink != NULL) {\r | |
022c6d45 | 572 | if ((BaseAddress + Length - 1) >= Entry->BaseAddress &&\r |
28a00297 | 573 | (BaseAddress + Length - 1) <= Entry->EndAddress ) {\r |
574 | *EndLink = Link;\r | |
575 | return EFI_SUCCESS;\r | |
576 | }\r | |
577 | }\r | |
578 | Link = Link->ForwardLink;\r | |
579 | }\r | |
e94a9ff7 | 580 | \r |
28a00297 | 581 | return EFI_NOT_FOUND;\r |
582 | }\r | |
583 | \r | |
28a00297 | 584 | \r |
162ed594 | 585 | /**\r |
28a00297 | 586 | Count the amount of GCD map entries.\r |
587 | \r | |
022c6d45 | 588 | @param Map Points to the start entry to do the count loop.\r |
28a00297 | 589 | \r |
162ed594 | 590 | @return The count.\r |
28a00297 | 591 | \r |
162ed594 | 592 | **/\r |
162ed594 | 593 | UINTN\r |
594 | CoreCountGcdMapEntry (\r | |
595 | IN LIST_ENTRY *Map\r | |
596 | )\r | |
28a00297 | 597 | {\r |
598 | UINTN Count;\r | |
599 | LIST_ENTRY *Link;\r | |
600 | \r | |
601 | Count = 0;\r | |
602 | Link = Map->ForwardLink;\r | |
603 | while (Link != Map) {\r | |
604 | Count++;\r | |
605 | Link = Link->ForwardLink;\r | |
606 | }\r | |
022c6d45 | 607 | \r |
28a00297 | 608 | return Count;\r |
609 | }\r | |
610 | \r | |
611 | \r | |
28a00297 | 612 | \r |
162ed594 | 613 | /**\r |
28a00297 | 614 | Return the memory attribute specified by Attributes\r |
615 | \r | |
022c6d45 | 616 | @param Attributes A num with some attribute bits on.\r |
28a00297 | 617 | \r |
162ed594 | 618 | @return The enum value of memory attribute.\r |
28a00297 | 619 | \r |
162ed594 | 620 | **/\r |
162ed594 | 621 | UINT64\r |
622 | ConverToCpuArchAttributes (\r | |
623 | UINT64 Attributes\r | |
23c98c94 | 624 | )\r |
28a00297 | 625 | {\r |
626 | if ( (Attributes & EFI_MEMORY_UC) == EFI_MEMORY_UC) {\r | |
627 | return EFI_MEMORY_UC;\r | |
628 | }\r | |
629 | \r | |
630 | if ( (Attributes & EFI_MEMORY_WC ) == EFI_MEMORY_WC) {\r | |
631 | return EFI_MEMORY_WC;\r | |
632 | }\r | |
633 | \r | |
634 | if ( (Attributes & EFI_MEMORY_WT ) == EFI_MEMORY_WT) {\r | |
635 | return EFI_MEMORY_WT;\r | |
636 | }\r | |
637 | \r | |
638 | if ( (Attributes & EFI_MEMORY_WB) == EFI_MEMORY_WB) {\r | |
639 | return EFI_MEMORY_WB;\r | |
640 | }\r | |
641 | \r | |
642 | if ( (Attributes & EFI_MEMORY_WP) == EFI_MEMORY_WP) {\r | |
643 | return EFI_MEMORY_WP;\r | |
644 | }\r | |
645 | \r | |
646 | return INVALID_CPU_ARCH_ATTRIBUTES;\r | |
647 | \r | |
648 | }\r | |
649 | \r | |
162ed594 | 650 | \r |
651 | /**\r | |
652 | Do operation on a segment of memory space specified (add, free, remove, change attribute ...).\r | |
653 | \r | |
022c6d45 | 654 | @param Operation The type of the operation\r |
655 | @param GcdMemoryType Additional information for the operation\r | |
656 | @param GcdIoType Additional information for the operation\r | |
657 | @param BaseAddress Start address of the segment\r | |
658 | @param Length length of the segment\r | |
659 | @param Capabilities The alterable attributes of a newly added entry\r | |
660 | @param Attributes The attributes needs to be set\r | |
661 | \r | |
662 | @retval EFI_INVALID_PARAMETER Length is 0 or address (length) not aligned when\r | |
663 | setting attribute.\r | |
664 | @retval EFI_SUCCESS Action successfully done.\r | |
665 | @retval EFI_UNSUPPORTED Could not find the proper descriptor on this\r | |
666 | segment or set an upsupported attribute.\r | |
667 | @retval EFI_ACCESS_DENIED Operate on an space non-exist or is used for an\r | |
668 | image.\r | |
669 | @retval EFI_NOT_FOUND Free a non-using space or remove a non-exist\r | |
670 | space, and so on.\r | |
162ed594 | 671 | @retval EFI_OUT_OF_RESOURCES No buffer could be allocated.\r |
672 | \r | |
673 | **/\r | |
28a00297 | 674 | EFI_STATUS\r |
675 | CoreConvertSpace (\r | |
676 | IN UINTN Operation,\r | |
677 | IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
678 | IN EFI_GCD_IO_TYPE GcdIoType,\r | |
679 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
680 | IN UINT64 Length,\r | |
681 | IN UINT64 Capabilities,\r | |
682 | IN UINT64 Attributes\r | |
683 | )\r | |
28a00297 | 684 | {\r |
685 | EFI_STATUS Status;\r | |
686 | LIST_ENTRY *Map;\r | |
687 | LIST_ENTRY *Link;\r | |
688 | EFI_GCD_MAP_ENTRY *Entry;\r | |
689 | EFI_GCD_MAP_ENTRY *TopEntry;\r | |
690 | EFI_GCD_MAP_ENTRY *BottomEntry;\r | |
691 | LIST_ENTRY *StartLink;\r | |
692 | LIST_ENTRY *EndLink;\r | |
f9d1f97c | 693 | UINT64 CpuArchAttributes;\r |
28a00297 | 694 | \r |
695 | if (Length == 0) {\r | |
aa927cae | 696 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 697 | return EFI_INVALID_PARAMETER;\r |
698 | }\r | |
699 | \r | |
700 | Map = NULL;\r | |
71f68914 | 701 | if ((Operation & GCD_MEMORY_SPACE_OPERATION) != 0) {\r |
28a00297 | 702 | CoreAcquireGcdMemoryLock ();\r |
703 | Map = &mGcdMemorySpaceMap;\r | |
fbbb4211 | 704 | } else if ((Operation & GCD_IO_SPACE_OPERATION) != 0) {\r |
28a00297 | 705 | CoreAcquireGcdIoLock ();\r |
706 | Map = &mGcdIoSpaceMap;\r | |
fbbb4211 | 707 | } else {\r |
708 | ASSERT (FALSE);\r | |
28a00297 | 709 | }\r |
710 | \r | |
711 | //\r | |
712 | // Search for the list of descriptors that cover the range BaseAddress to BaseAddress+Length\r | |
713 | //\r | |
714 | Status = CoreSearchGcdMapEntry (BaseAddress, Length, &StartLink, &EndLink, Map);\r | |
715 | if (EFI_ERROR (Status)) {\r | |
716 | Status = EFI_UNSUPPORTED;\r | |
717 | \r | |
718 | goto Done;\r | |
719 | }\r | |
d2fbaaab | 720 | ASSERT (StartLink != NULL && EndLink != NULL);\r |
28a00297 | 721 | \r |
722 | //\r | |
723 | // Verify that the list of descriptors are unallocated non-existent memory.\r | |
724 | //\r | |
725 | Link = StartLink;\r | |
726 | while (Link != EndLink->ForwardLink) {\r | |
727 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
728 | switch (Operation) {\r | |
729 | //\r | |
730 | // Add operations\r | |
731 | //\r | |
732 | case GCD_ADD_MEMORY_OPERATION:\r | |
733 | if (Entry->GcdMemoryType != EfiGcdMemoryTypeNonExistent ||\r | |
734 | Entry->ImageHandle != NULL ) {\r | |
735 | Status = EFI_ACCESS_DENIED;\r | |
736 | goto Done;\r | |
737 | }\r | |
738 | break;\r | |
739 | case GCD_ADD_IO_OPERATION:\r | |
740 | if (Entry->GcdIoType != EfiGcdIoTypeNonExistent ||\r | |
741 | Entry->ImageHandle != NULL ) {\r | |
742 | Status = EFI_ACCESS_DENIED;\r | |
743 | goto Done;\r | |
744 | }\r | |
745 | break;\r | |
746 | //\r | |
747 | // Free operations\r | |
748 | //\r | |
749 | case GCD_FREE_MEMORY_OPERATION:\r | |
750 | case GCD_FREE_IO_OPERATION:\r | |
751 | if (Entry->ImageHandle == NULL) {\r | |
752 | Status = EFI_NOT_FOUND;\r | |
753 | goto Done;\r | |
754 | }\r | |
755 | break;\r | |
756 | //\r | |
757 | // Remove operations\r | |
758 | //\r | |
759 | case GCD_REMOVE_MEMORY_OPERATION:\r | |
760 | if (Entry->GcdMemoryType == EfiGcdMemoryTypeNonExistent) {\r | |
761 | Status = EFI_NOT_FOUND;\r | |
762 | goto Done;\r | |
763 | }\r | |
764 | if (Entry->ImageHandle != NULL) {\r | |
765 | Status = EFI_ACCESS_DENIED;\r | |
766 | goto Done;\r | |
767 | }\r | |
768 | break;\r | |
769 | case GCD_REMOVE_IO_OPERATION:\r | |
770 | if (Entry->GcdIoType == EfiGcdIoTypeNonExistent) {\r | |
771 | Status = EFI_NOT_FOUND;\r | |
772 | goto Done;\r | |
773 | }\r | |
774 | if (Entry->ImageHandle != NULL) {\r | |
775 | Status = EFI_ACCESS_DENIED;\r | |
776 | goto Done;\r | |
777 | }\r | |
778 | break;\r | |
779 | //\r | |
780 | // Set attribute operations\r | |
781 | //\r | |
782 | case GCD_SET_ATTRIBUTES_MEMORY_OPERATION:\r | |
71f68914 | 783 | if ((Attributes & EFI_MEMORY_RUNTIME) != 0) {\r |
28a00297 | 784 | if ((BaseAddress & EFI_PAGE_MASK) != 0 || (Length & EFI_PAGE_MASK) != 0) {\r |
785 | Status = EFI_INVALID_PARAMETER;\r | |
28a00297 | 786 | goto Done;\r |
787 | }\r | |
788 | }\r | |
789 | if ((Entry->Capabilities & Attributes) != Attributes) {\r | |
790 | Status = EFI_UNSUPPORTED;\r | |
791 | goto Done;\r | |
792 | }\r | |
793 | break;\r | |
794 | }\r | |
795 | Link = Link->ForwardLink;\r | |
796 | }\r | |
797 | \r | |
798 | //\r | |
799 | // Allocate work space to perform this operation\r | |
800 | //\r | |
801 | Status = CoreAllocateGcdMapEntry (&TopEntry, &BottomEntry);\r | |
802 | if (EFI_ERROR (Status)) {\r | |
803 | Status = EFI_OUT_OF_RESOURCES;\r | |
804 | goto Done;\r | |
805 | }\r | |
d2fbaaab | 806 | ASSERT (TopEntry != NULL && BottomEntry != NULL);\r |
28a00297 | 807 | \r |
28a00297 | 808 | if (Operation == GCD_SET_ATTRIBUTES_MEMORY_OPERATION) {\r |
809 | //\r | |
810 | // Call CPU Arch Protocol to attempt to set attributes on the range\r | |
811 | //\r | |
812 | CpuArchAttributes = ConverToCpuArchAttributes (Attributes);\r | |
f9d1f97c | 813 | if (CpuArchAttributes != INVALID_CPU_ARCH_ATTRIBUTES) {\r |
814 | if (gCpu != NULL) {\r | |
815 | Status = gCpu->SetMemoryAttributes (\r | |
816 | gCpu,\r | |
817 | BaseAddress,\r | |
818 | Length,\r | |
819 | CpuArchAttributes\r | |
820 | );\r | |
821 | if (EFI_ERROR (Status)) {\r | |
822 | goto Done;\r | |
823 | }\r | |
28a00297 | 824 | }\r |
825 | }\r | |
28a00297 | 826 | }\r |
827 | \r | |
828 | //\r | |
829 | // Convert/Insert the list of descriptors from StartLink to EndLink\r | |
830 | //\r | |
831 | Link = StartLink;\r | |
832 | while (Link != EndLink->ForwardLink) {\r | |
833 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
834 | CoreInsertGcdMapEntry (Link, Entry, BaseAddress, Length, TopEntry, BottomEntry);\r | |
835 | switch (Operation) {\r | |
836 | //\r | |
837 | // Add operations\r | |
838 | //\r | |
839 | case GCD_ADD_MEMORY_OPERATION:\r | |
840 | Entry->GcdMemoryType = GcdMemoryType;\r | |
841 | if (GcdMemoryType == EfiGcdMemoryTypeMemoryMappedIo) {\r | |
842 | Entry->Capabilities = Capabilities | EFI_MEMORY_RUNTIME | EFI_MEMORY_PORT_IO;\r | |
843 | } else {\r | |
844 | Entry->Capabilities = Capabilities | EFI_MEMORY_RUNTIME;\r | |
845 | }\r | |
846 | break;\r | |
847 | case GCD_ADD_IO_OPERATION:\r | |
848 | Entry->GcdIoType = GcdIoType;\r | |
849 | break;\r | |
850 | //\r | |
851 | // Free operations\r | |
852 | //\r | |
853 | case GCD_FREE_MEMORY_OPERATION:\r | |
854 | case GCD_FREE_IO_OPERATION:\r | |
855 | Entry->ImageHandle = NULL;\r | |
856 | Entry->DeviceHandle = NULL;\r | |
857 | break;\r | |
858 | //\r | |
859 | // Remove operations\r | |
860 | //\r | |
861 | case GCD_REMOVE_MEMORY_OPERATION:\r | |
862 | Entry->GcdMemoryType = EfiGcdMemoryTypeNonExistent;\r | |
863 | Entry->Capabilities = 0;\r | |
864 | break;\r | |
865 | case GCD_REMOVE_IO_OPERATION:\r | |
866 | Entry->GcdIoType = EfiGcdIoTypeNonExistent;\r | |
867 | break;\r | |
868 | //\r | |
869 | // Set attribute operations\r | |
870 | //\r | |
871 | case GCD_SET_ATTRIBUTES_MEMORY_OPERATION:\r | |
872 | Entry->Attributes = Attributes;\r | |
873 | break;\r | |
874 | }\r | |
875 | Link = Link->ForwardLink;\r | |
876 | }\r | |
877 | \r | |
878 | //\r | |
879 | // Cleanup\r | |
880 | //\r | |
881 | Status = CoreCleanupGcdMapEntry (TopEntry, BottomEntry, StartLink, EndLink, Map);\r | |
882 | \r | |
883 | Done:\r | |
aa927cae | 884 | DEBUG ((DEBUG_GCD, " Status = %r\n", Status));\r |
f9d1f97c | 885 | \r |
71f68914 | 886 | if ((Operation & GCD_MEMORY_SPACE_OPERATION) != 0) {\r |
28a00297 | 887 | CoreReleaseGcdMemoryLock ();\r |
aa927cae | 888 | CoreDumpGcdMemorySpaceMap (FALSE);\r |
28a00297 | 889 | }\r |
71f68914 | 890 | if ((Operation & GCD_IO_SPACE_OPERATION) != 0) {\r |
28a00297 | 891 | CoreReleaseGcdIoLock ();\r |
aa927cae | 892 | CoreDumpGcdIoSpaceMap (FALSE);\r |
28a00297 | 893 | }\r |
894 | \r | |
895 | return Status;\r | |
896 | }\r | |
897 | \r | |
162ed594 | 898 | \r |
899 | /**\r | |
900 | Check whether an entry could be used to allocate space.\r | |
901 | \r | |
022c6d45 | 902 | @param Operation Allocate memory or IO\r |
903 | @param Entry The entry to be tested\r | |
904 | @param GcdMemoryType The desired memory type\r | |
905 | @param GcdIoType The desired IO type\r | |
162ed594 | 906 | \r |
022c6d45 | 907 | @retval EFI_NOT_FOUND The memory type does not match or there's an\r |
908 | image handle on the entry.\r | |
909 | @retval EFI_UNSUPPORTED The operation unsupported.\r | |
910 | @retval EFI_SUCCESS It's ok for this entry to be used to allocate\r | |
162ed594 | 911 | space.\r |
912 | \r | |
913 | **/\r | |
28a00297 | 914 | EFI_STATUS\r |
915 | CoreAllocateSpaceCheckEntry (\r | |
916 | IN UINTN Operation,\r | |
917 | IN EFI_GCD_MAP_ENTRY *Entry,\r | |
918 | IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
919 | IN EFI_GCD_IO_TYPE GcdIoType\r | |
920 | )\r | |
28a00297 | 921 | {\r |
922 | if (Entry->ImageHandle != NULL) {\r | |
923 | return EFI_NOT_FOUND;\r | |
924 | }\r | |
925 | switch (Operation) {\r | |
926 | case GCD_ALLOCATE_MEMORY_OPERATION:\r | |
927 | if (Entry->GcdMemoryType != GcdMemoryType) {\r | |
928 | return EFI_NOT_FOUND;\r | |
929 | }\r | |
930 | break;\r | |
931 | case GCD_ALLOCATE_IO_OPERATION:\r | |
932 | if (Entry->GcdIoType != GcdIoType) {\r | |
933 | return EFI_NOT_FOUND;\r | |
934 | }\r | |
935 | break;\r | |
936 | default:\r | |
937 | return EFI_UNSUPPORTED;\r | |
938 | }\r | |
939 | return EFI_SUCCESS;\r | |
940 | }\r | |
941 | \r | |
162ed594 | 942 | \r |
943 | /**\r | |
944 | Allocate space on specified address and length.\r | |
945 | \r | |
022c6d45 | 946 | @param Operation The type of operation (memory or IO)\r |
947 | @param GcdAllocateType The type of allocate operation\r | |
948 | @param GcdMemoryType The desired memory type\r | |
949 | @param GcdIoType The desired IO type\r | |
950 | @param Alignment Align with 2^Alignment\r | |
951 | @param Length Length to allocate\r | |
952 | @param BaseAddress Base address to allocate\r | |
953 | @param ImageHandle The image handle consume the allocated space.\r | |
954 | @param DeviceHandle The device handle consume the allocated space.\r | |
955 | \r | |
956 | @retval EFI_INVALID_PARAMETER Invalid parameter.\r | |
957 | @retval EFI_NOT_FOUND No descriptor for the desired space exists.\r | |
162ed594 | 958 | @retval EFI_SUCCESS Space successfully allocated.\r |
959 | \r | |
960 | **/\r | |
28a00297 | 961 | EFI_STATUS\r |
962 | CoreAllocateSpace (\r | |
963 | IN UINTN Operation,\r | |
964 | IN EFI_GCD_ALLOCATE_TYPE GcdAllocateType,\r | |
965 | IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
966 | IN EFI_GCD_IO_TYPE GcdIoType,\r | |
967 | IN UINTN Alignment,\r | |
968 | IN UINT64 Length,\r | |
969 | IN OUT EFI_PHYSICAL_ADDRESS *BaseAddress,\r | |
970 | IN EFI_HANDLE ImageHandle,\r | |
971 | IN EFI_HANDLE DeviceHandle OPTIONAL\r | |
972 | )\r | |
28a00297 | 973 | {\r |
974 | EFI_STATUS Status;\r | |
975 | EFI_PHYSICAL_ADDRESS AlignmentMask;\r | |
976 | EFI_PHYSICAL_ADDRESS MaxAddress;\r | |
977 | LIST_ENTRY *Map;\r | |
978 | LIST_ENTRY *Link;\r | |
979 | LIST_ENTRY *SubLink;\r | |
980 | EFI_GCD_MAP_ENTRY *Entry;\r | |
981 | EFI_GCD_MAP_ENTRY *TopEntry;\r | |
982 | EFI_GCD_MAP_ENTRY *BottomEntry;\r | |
983 | LIST_ENTRY *StartLink;\r | |
984 | LIST_ENTRY *EndLink;\r | |
985 | BOOLEAN Found;\r | |
986 | \r | |
987 | //\r | |
988 | // Make sure parameters are valid\r | |
989 | //\r | |
990 | if (GcdAllocateType < 0 || GcdAllocateType >= EfiGcdMaxAllocateType) {\r | |
aa927cae | 991 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 992 | return EFI_INVALID_PARAMETER;\r |
993 | }\r | |
994 | if (GcdMemoryType < 0 || GcdMemoryType >= EfiGcdMemoryTypeMaximum) {\r | |
aa927cae | 995 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 996 | return EFI_INVALID_PARAMETER;\r |
997 | }\r | |
998 | if (GcdIoType < 0 || GcdIoType >= EfiGcdIoTypeMaximum) {\r | |
aa927cae | 999 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 1000 | return EFI_INVALID_PARAMETER;\r |
1001 | }\r | |
1002 | if (BaseAddress == NULL) {\r | |
aa927cae | 1003 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 1004 | return EFI_INVALID_PARAMETER;\r |
1005 | }\r | |
1006 | if (ImageHandle == NULL) {\r | |
aa927cae | 1007 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 1008 | return EFI_INVALID_PARAMETER;\r |
1009 | }\r | |
1010 | if (Alignment >= 64) {\r | |
aa927cae | 1011 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_NOT_FOUND));\r |
28a00297 | 1012 | return EFI_NOT_FOUND;\r |
1013 | }\r | |
1014 | if (Length == 0) {\r | |
aa927cae | 1015 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 1016 | return EFI_INVALID_PARAMETER;\r |
1017 | }\r | |
1018 | \r | |
1019 | Map = NULL;\r | |
71f68914 | 1020 | if ((Operation & GCD_MEMORY_SPACE_OPERATION) != 0) {\r |
28a00297 | 1021 | CoreAcquireGcdMemoryLock ();\r |
1022 | Map = &mGcdMemorySpaceMap;\r | |
fbbb4211 | 1023 | } else if ((Operation & GCD_IO_SPACE_OPERATION) != 0) {\r |
28a00297 | 1024 | CoreAcquireGcdIoLock ();\r |
1025 | Map = &mGcdIoSpaceMap;\r | |
fbbb4211 | 1026 | } else {\r |
1027 | ASSERT (FALSE);\r | |
28a00297 | 1028 | }\r |
1029 | \r | |
1030 | Found = FALSE;\r | |
1031 | StartLink = NULL;\r | |
1032 | EndLink = NULL;\r | |
1033 | //\r | |
1034 | // Compute alignment bit mask\r | |
1035 | //\r | |
1036 | AlignmentMask = LShiftU64 (1, Alignment) - 1;\r | |
1037 | \r | |
1038 | if (GcdAllocateType == EfiGcdAllocateAddress) {\r | |
1039 | //\r | |
1040 | // Verify that the BaseAddress passed in is aligned correctly\r | |
1041 | //\r | |
1042 | if ((*BaseAddress & AlignmentMask) != 0) {\r | |
1043 | Status = EFI_NOT_FOUND;\r | |
1044 | goto Done;\r | |
1045 | }\r | |
1046 | \r | |
1047 | //\r | |
1048 | // Search for the list of descriptors that cover the range BaseAddress to BaseAddress+Length\r | |
1049 | //\r | |
1050 | Status = CoreSearchGcdMapEntry (*BaseAddress, Length, &StartLink, &EndLink, Map);\r | |
1051 | if (EFI_ERROR (Status)) {\r | |
1052 | Status = EFI_NOT_FOUND;\r | |
1053 | goto Done;\r | |
1054 | }\r | |
d2fbaaab | 1055 | ASSERT (StartLink != NULL && EndLink != NULL);\r |
28a00297 | 1056 | \r |
1057 | //\r | |
1058 | // Verify that the list of descriptors are unallocated memory matching GcdMemoryType.\r | |
1059 | //\r | |
1060 | Link = StartLink;\r | |
1061 | while (Link != EndLink->ForwardLink) {\r | |
1062 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1063 | Link = Link->ForwardLink;\r | |
1064 | Status = CoreAllocateSpaceCheckEntry (Operation, Entry, GcdMemoryType, GcdIoType);\r | |
1065 | if (EFI_ERROR (Status)) {\r | |
1066 | goto Done;\r | |
1067 | }\r | |
1068 | }\r | |
1069 | Found = TRUE;\r | |
1070 | } else {\r | |
1071 | \r | |
1072 | Entry = CR (Map->BackLink, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1073 | \r | |
1074 | //\r | |
1075 | // Compute the maximum address to use in the search algorithm\r | |
1076 | //\r | |
1077 | if (GcdAllocateType == EfiGcdAllocateMaxAddressSearchBottomUp ||\r | |
1078 | GcdAllocateType == EfiGcdAllocateMaxAddressSearchTopDown ) {\r | |
1079 | MaxAddress = *BaseAddress;\r | |
1080 | } else {\r | |
1081 | MaxAddress = Entry->EndAddress;\r | |
1082 | }\r | |
1083 | \r | |
1084 | //\r | |
1085 | // Verify that the list of descriptors are unallocated memory matching GcdMemoryType.\r | |
1086 | //\r | |
1087 | if (GcdAllocateType == EfiGcdAllocateMaxAddressSearchTopDown ||\r | |
1088 | GcdAllocateType == EfiGcdAllocateAnySearchTopDown ) {\r | |
1089 | Link = Map->BackLink;\r | |
1090 | } else {\r | |
1091 | Link = Map->ForwardLink;\r | |
1092 | }\r | |
1093 | while (Link != Map) {\r | |
1094 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1095 | \r | |
1096 | if (GcdAllocateType == EfiGcdAllocateMaxAddressSearchTopDown ||\r | |
1097 | GcdAllocateType == EfiGcdAllocateAnySearchTopDown ) {\r | |
1098 | Link = Link->BackLink;\r | |
1099 | } else {\r | |
1100 | Link = Link->ForwardLink;\r | |
1101 | }\r | |
1102 | \r | |
1103 | Status = CoreAllocateSpaceCheckEntry (Operation, Entry, GcdMemoryType, GcdIoType);\r | |
1104 | if (EFI_ERROR (Status)) {\r | |
1105 | continue;\r | |
1106 | }\r | |
1107 | \r | |
1108 | if (GcdAllocateType == EfiGcdAllocateMaxAddressSearchTopDown ||\r | |
e94a9ff7 | 1109 | GcdAllocateType == EfiGcdAllocateAnySearchTopDown) {\r |
28a00297 | 1110 | if ((Entry->BaseAddress + Length) > MaxAddress) {\r |
1111 | continue;\r | |
1112 | }\r | |
1113 | if (Length > (Entry->EndAddress + 1)) {\r | |
1114 | Status = EFI_NOT_FOUND;\r | |
1115 | goto Done;\r | |
1116 | }\r | |
1117 | if (Entry->EndAddress > MaxAddress) {\r | |
1118 | *BaseAddress = MaxAddress;\r | |
1119 | } else {\r | |
1120 | *BaseAddress = Entry->EndAddress;\r | |
1121 | }\r | |
1122 | *BaseAddress = (*BaseAddress + 1 - Length) & (~AlignmentMask);\r | |
1123 | } else {\r | |
1124 | *BaseAddress = (Entry->BaseAddress + AlignmentMask) & (~AlignmentMask);\r | |
1125 | if ((*BaseAddress + Length - 1) > MaxAddress) {\r | |
1126 | Status = EFI_NOT_FOUND;\r | |
1127 | goto Done;\r | |
1128 | }\r | |
1129 | }\r | |
1130 | \r | |
1131 | //\r | |
1132 | // Search for the list of descriptors that cover the range BaseAddress to BaseAddress+Length\r | |
1133 | //\r | |
1134 | Status = CoreSearchGcdMapEntry (*BaseAddress, Length, &StartLink, &EndLink, Map);\r | |
1135 | if (EFI_ERROR (Status)) {\r | |
1136 | Status = EFI_NOT_FOUND;\r | |
1137 | goto Done;\r | |
1138 | }\r | |
d2fbaaab | 1139 | ASSERT (StartLink != NULL && EndLink != NULL);\r |
28a00297 | 1140 | \r |
1141 | Link = StartLink;\r | |
1142 | //\r | |
1143 | // Verify that the list of descriptors are unallocated memory matching GcdMemoryType.\r | |
1144 | //\r | |
1145 | Found = TRUE;\r | |
1146 | SubLink = StartLink;\r | |
1147 | while (SubLink != EndLink->ForwardLink) {\r | |
1148 | Entry = CR (SubLink, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1149 | Status = CoreAllocateSpaceCheckEntry (Operation, Entry, GcdMemoryType, GcdIoType);\r | |
1150 | if (EFI_ERROR (Status)) {\r | |
1151 | Link = SubLink;\r | |
1152 | Found = FALSE;\r | |
1153 | break;\r | |
1154 | }\r | |
1155 | SubLink = SubLink->ForwardLink;\r | |
1156 | }\r | |
1157 | if (Found) {\r | |
1158 | break;\r | |
1159 | }\r | |
1160 | }\r | |
1161 | }\r | |
1162 | if (!Found) {\r | |
1163 | Status = EFI_NOT_FOUND;\r | |
1164 | goto Done;\r | |
1165 | }\r | |
1166 | \r | |
1167 | //\r | |
1168 | // Allocate work space to perform this operation\r | |
1169 | //\r | |
1170 | Status = CoreAllocateGcdMapEntry (&TopEntry, &BottomEntry);\r | |
1171 | if (EFI_ERROR (Status)) {\r | |
1172 | Status = EFI_OUT_OF_RESOURCES;\r | |
1173 | goto Done;\r | |
1174 | }\r | |
d2fbaaab | 1175 | ASSERT (TopEntry != NULL && BottomEntry != NULL);\r |
28a00297 | 1176 | \r |
1177 | //\r | |
1178 | // Convert/Insert the list of descriptors from StartLink to EndLink\r | |
1179 | //\r | |
1180 | Link = StartLink;\r | |
1181 | while (Link != EndLink->ForwardLink) {\r | |
1182 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1183 | CoreInsertGcdMapEntry (Link, Entry, *BaseAddress, Length, TopEntry, BottomEntry);\r | |
1184 | Entry->ImageHandle = ImageHandle;\r | |
1185 | Entry->DeviceHandle = DeviceHandle;\r | |
1186 | Link = Link->ForwardLink;\r | |
1187 | }\r | |
1188 | \r | |
1189 | //\r | |
1190 | // Cleanup\r | |
1191 | //\r | |
1192 | Status = CoreCleanupGcdMapEntry (TopEntry, BottomEntry, StartLink, EndLink, Map);\r | |
1193 | \r | |
1194 | Done:\r | |
aa927cae | 1195 | DEBUG ((DEBUG_GCD, " Status = %r", Status));\r |
1196 | if (!EFI_ERROR (Status)) {\r | |
1197 | DEBUG ((DEBUG_GCD, " (BaseAddress = %016lx)", *BaseAddress));\r | |
1198 | }\r | |
1199 | DEBUG ((DEBUG_GCD, "\n"));\r | |
f9d1f97c | 1200 | \r |
71f68914 | 1201 | if ((Operation & GCD_MEMORY_SPACE_OPERATION) != 0) {\r |
28a00297 | 1202 | CoreReleaseGcdMemoryLock ();\r |
aa927cae | 1203 | CoreDumpGcdMemorySpaceMap (FALSE);\r |
28a00297 | 1204 | }\r |
71f68914 | 1205 | if ((Operation & GCD_IO_SPACE_OPERATION) !=0) {\r |
28a00297 | 1206 | CoreReleaseGcdIoLock ();\r |
aa927cae | 1207 | CoreDumpGcdIoSpaceMap (FALSE);\r |
28a00297 | 1208 | }\r |
aa927cae | 1209 | \r |
28a00297 | 1210 | return Status;\r |
1211 | }\r | |
1212 | \r | |
28a00297 | 1213 | \r |
162ed594 | 1214 | /**\r |
28a00297 | 1215 | Add a segment of memory to GCD map.\r |
1216 | \r | |
022c6d45 | 1217 | @param GcdMemoryType Memory type of the segment.\r |
1218 | @param BaseAddress Base address of the segment.\r | |
1219 | @param Length Length of the segment.\r | |
1220 | @param Capabilities alterable attributes of the segment.\r | |
28a00297 | 1221 | \r |
022c6d45 | 1222 | @retval EFI_INVALID_PARAMETER Invalid parameters.\r |
162ed594 | 1223 | @retval EFI_SUCCESS Successfully add a segment of memory space.\r |
28a00297 | 1224 | \r |
162ed594 | 1225 | **/\r |
162ed594 | 1226 | EFI_STATUS\r |
1227 | CoreInternalAddMemorySpace (\r | |
1228 | IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
1229 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1230 | IN UINT64 Length,\r | |
1231 | IN UINT64 Capabilities\r | |
1232 | )\r | |
28a00297 | 1233 | {\r |
f9d1f97c | 1234 | DEBUG ((DEBUG_GCD, "GCD:AddMemorySpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1235 | DEBUG ((DEBUG_GCD, " GcdMemoryType = %a\n", mGcdMemoryTypeNames[MIN (GcdMemoryType, EfiGcdMemoryTypeMaximum)]));\r | |
1236 | DEBUG ((DEBUG_GCD, " Capabilities = %016lx\n", Capabilities));\r | |
1237 | \r | |
28a00297 | 1238 | //\r |
1239 | // Make sure parameters are valid\r | |
1240 | //\r | |
1241 | if (GcdMemoryType <= EfiGcdMemoryTypeNonExistent || GcdMemoryType >= EfiGcdMemoryTypeMaximum) {\r | |
1242 | return EFI_INVALID_PARAMETER;\r | |
1243 | }\r | |
1244 | \r | |
1245 | return CoreConvertSpace (GCD_ADD_MEMORY_OPERATION, GcdMemoryType, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, Capabilities, 0);\r | |
1246 | }\r | |
1247 | \r | |
1248 | //\r | |
1249 | // GCD Core Services\r | |
1250 | //\r | |
162ed594 | 1251 | \r |
1252 | /**\r | |
1253 | Allocates nonexistent memory, reserved memory, system memory, or memorymapped\r | |
1254 | I/O resources from the global coherency domain of the processor.\r | |
1255 | \r | |
022c6d45 | 1256 | @param GcdAllocateType The type of allocate operation\r |
1257 | @param GcdMemoryType The desired memory type\r | |
1258 | @param Alignment Align with 2^Alignment\r | |
1259 | @param Length Length to allocate\r | |
1260 | @param BaseAddress Base address to allocate\r | |
1261 | @param ImageHandle The image handle consume the allocated space.\r | |
1262 | @param DeviceHandle The device handle consume the allocated space.\r | |
162ed594 | 1263 | \r |
022c6d45 | 1264 | @retval EFI_INVALID_PARAMETER Invalid parameter.\r |
1265 | @retval EFI_NOT_FOUND No descriptor contains the desired space.\r | |
162ed594 | 1266 | @retval EFI_SUCCESS Memory space successfully allocated.\r |
1267 | \r | |
1268 | **/\r | |
28a00297 | 1269 | EFI_STATUS\r |
3b6ffb6a | 1270 | EFIAPI\r |
28a00297 | 1271 | CoreAllocateMemorySpace (\r |
1272 | IN EFI_GCD_ALLOCATE_TYPE GcdAllocateType,\r | |
1273 | IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
1274 | IN UINTN Alignment,\r | |
1275 | IN UINT64 Length,\r | |
1276 | IN OUT EFI_PHYSICAL_ADDRESS *BaseAddress,\r | |
1277 | IN EFI_HANDLE ImageHandle,\r | |
1278 | IN EFI_HANDLE DeviceHandle OPTIONAL\r | |
1279 | )\r | |
28a00297 | 1280 | {\r |
f9d1f97c | 1281 | DEBUG ((DEBUG_GCD, "GCD:AllocateMemorySpace(Base=%016lx,Length=%016lx)\n", *BaseAddress, Length));\r |
1282 | DEBUG ((DEBUG_GCD, " GcdAllocateType = %a\n", mGcdAllocationTypeNames[MIN (GcdAllocateType, EfiGcdMaxAllocateType)]));\r | |
1283 | DEBUG ((DEBUG_GCD, " GcdMemoryType = %a\n", mGcdMemoryTypeNames[MIN (GcdMemoryType, EfiGcdMemoryTypeMaximum)]));\r | |
1284 | DEBUG ((DEBUG_GCD, " Alignment = %016lx\n", LShiftU64 (1, Alignment)));\r | |
1285 | DEBUG ((DEBUG_GCD, " ImageHandle = %p\n", ImageHandle));\r | |
1286 | DEBUG ((DEBUG_GCD, " DeviceHandle = %p\n", DeviceHandle));\r | |
1287 | \r | |
28a00297 | 1288 | return CoreAllocateSpace (\r |
022c6d45 | 1289 | GCD_ALLOCATE_MEMORY_OPERATION,\r |
1290 | GcdAllocateType,\r | |
1291 | GcdMemoryType,\r | |
1292 | (EFI_GCD_IO_TYPE) 0,\r | |
1293 | Alignment,\r | |
1294 | Length,\r | |
1295 | BaseAddress,\r | |
1296 | ImageHandle,\r | |
28a00297 | 1297 | DeviceHandle\r |
1298 | );\r | |
1299 | }\r | |
1300 | \r | |
162ed594 | 1301 | \r |
1302 | /**\r | |
1303 | Adds reserved memory, system memory, or memory-mapped I/O resources to the\r | |
1304 | global coherency domain of the processor.\r | |
1305 | \r | |
022c6d45 | 1306 | @param GcdMemoryType Memory type of the memory space.\r |
1307 | @param BaseAddress Base address of the memory space.\r | |
1308 | @param Length Length of the memory space.\r | |
1309 | @param Capabilities alterable attributes of the memory space.\r | |
162ed594 | 1310 | \r |
1311 | @retval EFI_SUCCESS Merged this memory space into GCD map.\r | |
1312 | \r | |
1313 | **/\r | |
28a00297 | 1314 | EFI_STATUS\r |
3b6ffb6a | 1315 | EFIAPI\r |
28a00297 | 1316 | CoreAddMemorySpace (\r |
1317 | IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
1318 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1319 | IN UINT64 Length,\r | |
1320 | IN UINT64 Capabilities\r | |
1321 | )\r | |
28a00297 | 1322 | {\r |
1323 | EFI_STATUS Status;\r | |
1324 | EFI_PHYSICAL_ADDRESS PageBaseAddress;\r | |
1325 | UINT64 PageLength;\r | |
1326 | \r | |
1327 | Status = CoreInternalAddMemorySpace (GcdMemoryType, BaseAddress, Length, Capabilities);\r | |
1328 | \r | |
1329 | if (!EFI_ERROR (Status) && GcdMemoryType == EfiGcdMemoryTypeSystemMemory) {\r | |
1330 | \r | |
1331 | PageBaseAddress = PageAlignLength (BaseAddress);\r | |
1332 | PageLength = PageAlignLength (BaseAddress + Length - PageBaseAddress);\r | |
1333 | \r | |
1334 | Status = CoreAllocateMemorySpace (\r | |
1335 | EfiGcdAllocateAddress,\r | |
1336 | GcdMemoryType,\r | |
022c6d45 | 1337 | EFI_PAGE_SHIFT,\r |
28a00297 | 1338 | PageLength,\r |
1339 | &PageBaseAddress,\r | |
1340 | gDxeCoreImageHandle,\r | |
1341 | NULL\r | |
1342 | );\r | |
1343 | \r | |
1344 | if (!EFI_ERROR (Status)) {\r | |
1345 | CoreAddMemoryDescriptor (\r | |
1346 | EfiConventionalMemory,\r | |
1347 | PageBaseAddress,\r | |
1348 | RShiftU64 (PageLength, EFI_PAGE_SHIFT),\r | |
1349 | Capabilities\r | |
1350 | );\r | |
1351 | } else {\r | |
1352 | for (; PageLength != 0; PageLength -= EFI_PAGE_SIZE, PageBaseAddress += EFI_PAGE_SIZE) {\r | |
1353 | Status = CoreAllocateMemorySpace (\r | |
1354 | EfiGcdAllocateAddress,\r | |
1355 | GcdMemoryType,\r | |
022c6d45 | 1356 | EFI_PAGE_SHIFT,\r |
28a00297 | 1357 | EFI_PAGE_SIZE,\r |
1358 | &PageBaseAddress,\r | |
1359 | gDxeCoreImageHandle,\r | |
1360 | NULL\r | |
1361 | );\r | |
1362 | \r | |
1363 | if (!EFI_ERROR (Status)) {\r | |
1364 | CoreAddMemoryDescriptor (\r | |
1365 | EfiConventionalMemory,\r | |
1366 | PageBaseAddress,\r | |
1367 | 1,\r | |
1368 | Capabilities\r | |
1369 | );\r | |
1370 | }\r | |
1371 | }\r | |
1372 | }\r | |
1373 | }\r | |
1374 | return Status;\r | |
1375 | }\r | |
1376 | \r | |
28a00297 | 1377 | \r |
162ed594 | 1378 | /**\r |
28a00297 | 1379 | Frees nonexistent memory, reserved memory, system memory, or memory-mapped\r |
162ed594 | 1380 | I/O resources from the global coherency domain of the processor.\r |
28a00297 | 1381 | \r |
022c6d45 | 1382 | @param BaseAddress Base address of the memory space.\r |
1383 | @param Length Length of the memory space.\r | |
28a00297 | 1384 | \r |
162ed594 | 1385 | @retval EFI_SUCCESS Space successfully freed.\r |
28a00297 | 1386 | \r |
162ed594 | 1387 | **/\r |
28a00297 | 1388 | EFI_STATUS\r |
3b6ffb6a | 1389 | EFIAPI\r |
162ed594 | 1390 | CoreFreeMemorySpace (\r |
28a00297 | 1391 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r |
1392 | IN UINT64 Length\r | |
1393 | )\r | |
162ed594 | 1394 | {\r |
f9d1f97c | 1395 | DEBUG ((DEBUG_GCD, "GCD:FreeMemorySpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1396 | \r | |
162ed594 | 1397 | return CoreConvertSpace (GCD_FREE_MEMORY_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, 0, 0);\r |
1398 | }\r | |
28a00297 | 1399 | \r |
28a00297 | 1400 | \r |
162ed594 | 1401 | /**\r |
28a00297 | 1402 | Removes reserved memory, system memory, or memory-mapped I/O resources from\r |
162ed594 | 1403 | the global coherency domain of the processor.\r |
28a00297 | 1404 | \r |
022c6d45 | 1405 | @param BaseAddress Base address of the memory space.\r |
1406 | @param Length Length of the memory space.\r | |
28a00297 | 1407 | \r |
162ed594 | 1408 | @retval EFI_SUCCESS Successfully remove a segment of memory space.\r |
28a00297 | 1409 | \r |
162ed594 | 1410 | **/\r |
1411 | EFI_STATUS\r | |
3b6ffb6a | 1412 | EFIAPI\r |
162ed594 | 1413 | CoreRemoveMemorySpace (\r |
1414 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1415 | IN UINT64 Length\r | |
1416 | )\r | |
28a00297 | 1417 | {\r |
f9d1f97c | 1418 | DEBUG ((DEBUG_GCD, "GCD:RemoveMemorySpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1419 | \r | |
28a00297 | 1420 | return CoreConvertSpace (GCD_REMOVE_MEMORY_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, 0, 0);\r |
1421 | }\r | |
1422 | \r | |
162ed594 | 1423 | \r |
1424 | /**\r | |
1425 | Build a memory descriptor according to an entry.\r | |
1426 | \r | |
022c6d45 | 1427 | @param Descriptor The descriptor to be built\r |
162ed594 | 1428 | @param Entry According to this entry\r |
1429 | \r | |
1430 | **/\r | |
28a00297 | 1431 | VOID\r |
1432 | BuildMemoryDescriptor (\r | |
1433 | IN OUT EFI_GCD_MEMORY_SPACE_DESCRIPTOR *Descriptor,\r | |
1434 | IN EFI_GCD_MAP_ENTRY *Entry\r | |
1435 | )\r | |
28a00297 | 1436 | {\r |
1437 | Descriptor->BaseAddress = Entry->BaseAddress;\r | |
1438 | Descriptor->Length = Entry->EndAddress - Entry->BaseAddress + 1;\r | |
1439 | Descriptor->Capabilities = Entry->Capabilities;\r | |
1440 | Descriptor->Attributes = Entry->Attributes;\r | |
1441 | Descriptor->GcdMemoryType = Entry->GcdMemoryType;\r | |
1442 | Descriptor->ImageHandle = Entry->ImageHandle;\r | |
1443 | Descriptor->DeviceHandle = Entry->DeviceHandle;\r | |
1444 | }\r | |
1445 | \r | |
28a00297 | 1446 | \r |
162ed594 | 1447 | /**\r |
28a00297 | 1448 | Retrieves the descriptor for a memory region containing a specified address.\r |
1449 | \r | |
022c6d45 | 1450 | @param BaseAddress Specified start address\r |
1451 | @param Descriptor Specified length\r | |
28a00297 | 1452 | \r |
022c6d45 | 1453 | @retval EFI_INVALID_PARAMETER Invalid parameter\r |
162ed594 | 1454 | @retval EFI_SUCCESS Successfully get memory space descriptor.\r |
28a00297 | 1455 | \r |
162ed594 | 1456 | **/\r |
1457 | EFI_STATUS\r | |
3b6ffb6a | 1458 | EFIAPI\r |
162ed594 | 1459 | CoreGetMemorySpaceDescriptor (\r |
1460 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1461 | OUT EFI_GCD_MEMORY_SPACE_DESCRIPTOR *Descriptor\r | |
1462 | )\r | |
28a00297 | 1463 | {\r |
1464 | EFI_STATUS Status;\r | |
1465 | LIST_ENTRY *StartLink;\r | |
1466 | LIST_ENTRY *EndLink;\r | |
1467 | EFI_GCD_MAP_ENTRY *Entry;\r | |
1468 | \r | |
1469 | //\r | |
1470 | // Make sure parameters are valid\r | |
1471 | //\r | |
1472 | if (Descriptor == NULL) {\r | |
1473 | return EFI_INVALID_PARAMETER;\r | |
1474 | }\r | |
1475 | \r | |
1476 | CoreAcquireGcdMemoryLock ();\r | |
1477 | \r | |
1478 | //\r | |
022c6d45 | 1479 | // Search for the list of descriptors that contain BaseAddress\r |
28a00297 | 1480 | //\r |
1481 | Status = CoreSearchGcdMapEntry (BaseAddress, 1, &StartLink, &EndLink, &mGcdMemorySpaceMap);\r | |
1482 | if (EFI_ERROR (Status)) {\r | |
1483 | Status = EFI_NOT_FOUND;\r | |
1484 | } else {\r | |
d2fbaaab | 1485 | ASSERT (StartLink != NULL && EndLink != NULL);\r |
28a00297 | 1486 | //\r |
1487 | // Copy the contents of the found descriptor into Descriptor\r | |
1488 | //\r | |
1489 | Entry = CR (StartLink, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1490 | BuildMemoryDescriptor (Descriptor, Entry);\r | |
1491 | }\r | |
1492 | \r | |
1493 | CoreReleaseGcdMemoryLock ();\r | |
1494 | \r | |
1495 | return Status;\r | |
1496 | }\r | |
1497 | \r | |
162ed594 | 1498 | \r |
1499 | /**\r | |
1500 | Modifies the attributes for a memory region in the global coherency domain of the\r | |
1501 | processor.\r | |
1502 | \r | |
022c6d45 | 1503 | @param BaseAddress Specified start address\r |
1504 | @param Length Specified length\r | |
1505 | @param Attributes Specified attributes\r | |
162ed594 | 1506 | \r |
022c6d45 | 1507 | @retval EFI_SUCCESS Successfully set attribute of a segment of\r |
162ed594 | 1508 | memory space.\r |
1509 | \r | |
1510 | **/\r | |
28a00297 | 1511 | EFI_STATUS\r |
3b6ffb6a | 1512 | EFIAPI\r |
28a00297 | 1513 | CoreSetMemorySpaceAttributes (\r |
1514 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1515 | IN UINT64 Length,\r | |
1516 | IN UINT64 Attributes\r | |
1517 | )\r | |
162ed594 | 1518 | {\r |
f9d1f97c | 1519 | DEBUG ((DEBUG_GCD, "GCD:SetMemorySpaceAttributes(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1520 | DEBUG ((DEBUG_GCD, " Attributes = %016lx\n", Attributes));\r | |
1521 | \r | |
162ed594 | 1522 | return CoreConvertSpace (GCD_SET_ATTRIBUTES_MEMORY_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, 0, Attributes);\r |
1523 | }\r | |
28a00297 | 1524 | \r |
28a00297 | 1525 | \r |
162ed594 | 1526 | /**\r |
1527 | Returns a map of the memory resources in the global coherency domain of the\r | |
1528 | processor.\r | |
28a00297 | 1529 | \r |
022c6d45 | 1530 | @param NumberOfDescriptors Number of descriptors.\r |
1531 | @param MemorySpaceMap Descriptor array\r | |
28a00297 | 1532 | \r |
022c6d45 | 1533 | @retval EFI_INVALID_PARAMETER Invalid parameter\r |
1534 | @retval EFI_OUT_OF_RESOURCES No enough buffer to allocate\r | |
162ed594 | 1535 | @retval EFI_SUCCESS Successfully get memory space map.\r |
28a00297 | 1536 | \r |
162ed594 | 1537 | **/\r |
28a00297 | 1538 | EFI_STATUS\r |
3b6ffb6a | 1539 | EFIAPI\r |
28a00297 | 1540 | CoreGetMemorySpaceMap (\r |
1541 | OUT UINTN *NumberOfDescriptors,\r | |
1542 | OUT EFI_GCD_MEMORY_SPACE_DESCRIPTOR **MemorySpaceMap\r | |
1543 | )\r | |
28a00297 | 1544 | {\r |
1545 | EFI_STATUS Status;\r | |
1546 | LIST_ENTRY *Link;\r | |
1547 | EFI_GCD_MAP_ENTRY *Entry;\r | |
1548 | EFI_GCD_MEMORY_SPACE_DESCRIPTOR *Descriptor;\r | |
1549 | \r | |
1550 | //\r | |
1551 | // Make sure parameters are valid\r | |
1552 | //\r | |
1553 | if (NumberOfDescriptors == NULL) {\r | |
1554 | return EFI_INVALID_PARAMETER;\r | |
1555 | }\r | |
1556 | if (MemorySpaceMap == NULL) {\r | |
1557 | return EFI_INVALID_PARAMETER;\r | |
1558 | }\r | |
1559 | \r | |
1560 | CoreAcquireGcdMemoryLock ();\r | |
1561 | \r | |
1562 | //\r | |
1563 | // Count the number of descriptors\r | |
1564 | //\r | |
1565 | *NumberOfDescriptors = CoreCountGcdMapEntry (&mGcdMemorySpaceMap);\r | |
1566 | \r | |
1567 | //\r | |
1568 | // Allocate the MemorySpaceMap\r | |
1569 | //\r | |
9c4ac31c | 1570 | *MemorySpaceMap = AllocatePool (*NumberOfDescriptors * sizeof (EFI_GCD_MEMORY_SPACE_DESCRIPTOR));\r |
28a00297 | 1571 | if (*MemorySpaceMap == NULL) {\r |
1572 | Status = EFI_OUT_OF_RESOURCES;\r | |
1573 | goto Done;\r | |
1574 | }\r | |
1575 | \r | |
1576 | //\r | |
1577 | // Fill in the MemorySpaceMap\r | |
1578 | //\r | |
1579 | Descriptor = *MemorySpaceMap;\r | |
1580 | Link = mGcdMemorySpaceMap.ForwardLink;\r | |
1581 | while (Link != &mGcdMemorySpaceMap) {\r | |
1582 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1583 | BuildMemoryDescriptor (Descriptor, Entry);\r | |
1584 | Descriptor++;\r | |
1585 | Link = Link->ForwardLink;\r | |
1586 | }\r | |
1587 | Status = EFI_SUCCESS;\r | |
1588 | \r | |
1589 | Done:\r | |
1590 | CoreReleaseGcdMemoryLock ();\r | |
1591 | return Status;\r | |
1592 | }\r | |
1593 | \r | |
162ed594 | 1594 | \r |
1595 | /**\r | |
1596 | Adds reserved I/O or I/O resources to the global coherency domain of the processor.\r | |
1597 | \r | |
022c6d45 | 1598 | @param GcdIoType IO type of the segment.\r |
1599 | @param BaseAddress Base address of the segment.\r | |
1600 | @param Length Length of the segment.\r | |
162ed594 | 1601 | \r |
022c6d45 | 1602 | @retval EFI_SUCCESS Merged this segment into GCD map.\r |
162ed594 | 1603 | @retval EFI_INVALID_PARAMETER Parameter not valid\r |
1604 | \r | |
1605 | **/\r | |
28a00297 | 1606 | EFI_STATUS\r |
3b6ffb6a | 1607 | EFIAPI\r |
28a00297 | 1608 | CoreAddIoSpace (\r |
1609 | IN EFI_GCD_IO_TYPE GcdIoType,\r | |
1610 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1611 | IN UINT64 Length\r | |
1612 | )\r | |
28a00297 | 1613 | {\r |
f9d1f97c | 1614 | DEBUG ((DEBUG_GCD, "GCD:AddIoSpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1615 | DEBUG ((DEBUG_GCD, " GcdIoType = %a\n", mGcdIoTypeNames[MIN (GcdIoType, EfiGcdIoTypeMaximum)]));\r | |
1616 | \r | |
28a00297 | 1617 | //\r |
1618 | // Make sure parameters are valid\r | |
1619 | //\r | |
1620 | if (GcdIoType <= EfiGcdIoTypeNonExistent || GcdIoType >= EfiGcdIoTypeMaximum) {\r | |
1621 | return EFI_INVALID_PARAMETER;\r | |
1622 | }\r | |
1623 | return CoreConvertSpace (GCD_ADD_IO_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, GcdIoType, BaseAddress, Length, 0, 0);\r | |
1624 | }\r | |
1625 | \r | |
162ed594 | 1626 | \r |
1627 | /**\r | |
1628 | Allocates nonexistent I/O, reserved I/O, or I/O resources from the global coherency\r | |
1629 | domain of the processor.\r | |
1630 | \r | |
022c6d45 | 1631 | @param GcdAllocateType The type of allocate operation\r |
1632 | @param GcdIoType The desired IO type\r | |
1633 | @param Alignment Align with 2^Alignment\r | |
1634 | @param Length Length to allocate\r | |
1635 | @param BaseAddress Base address to allocate\r | |
1636 | @param ImageHandle The image handle consume the allocated space.\r | |
1637 | @param DeviceHandle The device handle consume the allocated space.\r | |
162ed594 | 1638 | \r |
022c6d45 | 1639 | @retval EFI_INVALID_PARAMETER Invalid parameter.\r |
1640 | @retval EFI_NOT_FOUND No descriptor contains the desired space.\r | |
162ed594 | 1641 | @retval EFI_SUCCESS IO space successfully allocated.\r |
1642 | \r | |
1643 | **/\r | |
28a00297 | 1644 | EFI_STATUS\r |
3b6ffb6a | 1645 | EFIAPI\r |
28a00297 | 1646 | CoreAllocateIoSpace (\r |
1647 | IN EFI_GCD_ALLOCATE_TYPE GcdAllocateType,\r | |
1648 | IN EFI_GCD_IO_TYPE GcdIoType,\r | |
1649 | IN UINTN Alignment,\r | |
1650 | IN UINT64 Length,\r | |
1651 | IN OUT EFI_PHYSICAL_ADDRESS *BaseAddress,\r | |
1652 | IN EFI_HANDLE ImageHandle,\r | |
1653 | IN EFI_HANDLE DeviceHandle OPTIONAL\r | |
1654 | )\r | |
28a00297 | 1655 | {\r |
f9d1f97c | 1656 | DEBUG ((DEBUG_GCD, "GCD:AllocateIoSpace(Base=%016lx,Length=%016lx)\n", *BaseAddress, Length));\r |
1657 | DEBUG ((DEBUG_GCD, " GcdAllocateType = %a\n", mGcdAllocationTypeNames[MIN (GcdAllocateType, EfiGcdMaxAllocateType)]));\r | |
5d1cf216 | 1658 | DEBUG ((DEBUG_GCD, " GcdIoType = %a\n", mGcdIoTypeNames[MIN (GcdIoType, EfiGcdIoTypeMaximum)]));\r |
f9d1f97c | 1659 | DEBUG ((DEBUG_GCD, " Alignment = %016lx\n", LShiftU64 (1, Alignment)));\r |
1660 | DEBUG ((DEBUG_GCD, " ImageHandle = %p\n", ImageHandle));\r | |
1661 | DEBUG ((DEBUG_GCD, " DeviceHandle = %p\n", DeviceHandle));\r | |
1662 | \r | |
28a00297 | 1663 | return CoreAllocateSpace (\r |
022c6d45 | 1664 | GCD_ALLOCATE_IO_OPERATION,\r |
1665 | GcdAllocateType,\r | |
1666 | (EFI_GCD_MEMORY_TYPE) 0,\r | |
1667 | GcdIoType,\r | |
1668 | Alignment,\r | |
1669 | Length,\r | |
1670 | BaseAddress,\r | |
1671 | ImageHandle,\r | |
28a00297 | 1672 | DeviceHandle\r |
1673 | );\r | |
1674 | }\r | |
1675 | \r | |
28a00297 | 1676 | \r |
162ed594 | 1677 | /**\r |
28a00297 | 1678 | Frees nonexistent I/O, reserved I/O, or I/O resources from the global coherency\r |
162ed594 | 1679 | domain of the processor.\r |
28a00297 | 1680 | \r |
022c6d45 | 1681 | @param BaseAddress Base address of the segment.\r |
1682 | @param Length Length of the segment.\r | |
28a00297 | 1683 | \r |
162ed594 | 1684 | @retval EFI_SUCCESS Space successfully freed.\r |
28a00297 | 1685 | \r |
162ed594 | 1686 | **/\r |
28a00297 | 1687 | EFI_STATUS\r |
3b6ffb6a | 1688 | EFIAPI\r |
162ed594 | 1689 | CoreFreeIoSpace (\r |
28a00297 | 1690 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r |
1691 | IN UINT64 Length\r | |
1692 | )\r | |
162ed594 | 1693 | {\r |
f9d1f97c | 1694 | DEBUG ((DEBUG_GCD, "GCD:FreeIoSpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1695 | \r | |
162ed594 | 1696 | return CoreConvertSpace (GCD_FREE_IO_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, 0, 0);\r |
1697 | }\r | |
28a00297 | 1698 | \r |
28a00297 | 1699 | \r |
162ed594 | 1700 | /**\r |
28a00297 | 1701 | Removes reserved I/O or I/O resources from the global coherency domain of the\r |
162ed594 | 1702 | processor.\r |
28a00297 | 1703 | \r |
022c6d45 | 1704 | @param BaseAddress Base address of the segment.\r |
1705 | @param Length Length of the segment.\r | |
28a00297 | 1706 | \r |
162ed594 | 1707 | @retval EFI_SUCCESS Successfully removed a segment of IO space.\r |
28a00297 | 1708 | \r |
162ed594 | 1709 | **/\r |
1710 | EFI_STATUS\r | |
3b6ffb6a | 1711 | EFIAPI\r |
162ed594 | 1712 | CoreRemoveIoSpace (\r |
1713 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1714 | IN UINT64 Length\r | |
1715 | )\r | |
28a00297 | 1716 | {\r |
f9d1f97c | 1717 | DEBUG ((DEBUG_GCD, "GCD:RemoveIoSpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1718 | \r | |
28a00297 | 1719 | return CoreConvertSpace (GCD_REMOVE_IO_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, 0, 0);\r |
1720 | }\r | |
1721 | \r | |
162ed594 | 1722 | \r |
1723 | /**\r | |
1724 | Build a IO descriptor according to an entry.\r | |
1725 | \r | |
022c6d45 | 1726 | @param Descriptor The descriptor to be built\r |
162ed594 | 1727 | @param Entry According to this entry\r |
1728 | \r | |
1729 | **/\r | |
28a00297 | 1730 | VOID\r |
1731 | BuildIoDescriptor (\r | |
1732 | IN EFI_GCD_IO_SPACE_DESCRIPTOR *Descriptor,\r | |
1733 | IN EFI_GCD_MAP_ENTRY *Entry\r | |
1734 | )\r | |
28a00297 | 1735 | {\r |
1736 | Descriptor->BaseAddress = Entry->BaseAddress;\r | |
1737 | Descriptor->Length = Entry->EndAddress - Entry->BaseAddress + 1;\r | |
1738 | Descriptor->GcdIoType = Entry->GcdIoType;\r | |
1739 | Descriptor->ImageHandle = Entry->ImageHandle;\r | |
1740 | Descriptor->DeviceHandle = Entry->DeviceHandle;\r | |
1741 | }\r | |
1742 | \r | |
28a00297 | 1743 | \r |
162ed594 | 1744 | /**\r |
28a00297 | 1745 | Retrieves the descriptor for an I/O region containing a specified address.\r |
1746 | \r | |
022c6d45 | 1747 | @param BaseAddress Specified start address\r |
1748 | @param Descriptor Specified length\r | |
28a00297 | 1749 | \r |
022c6d45 | 1750 | @retval EFI_INVALID_PARAMETER Descriptor is NULL.\r |
162ed594 | 1751 | @retval EFI_SUCCESS Successfully get the IO space descriptor.\r |
28a00297 | 1752 | \r |
162ed594 | 1753 | **/\r |
1754 | EFI_STATUS\r | |
3b6ffb6a | 1755 | EFIAPI\r |
162ed594 | 1756 | CoreGetIoSpaceDescriptor (\r |
1757 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1758 | OUT EFI_GCD_IO_SPACE_DESCRIPTOR *Descriptor\r | |
1759 | )\r | |
28a00297 | 1760 | {\r |
1761 | EFI_STATUS Status;\r | |
1762 | LIST_ENTRY *StartLink;\r | |
1763 | LIST_ENTRY *EndLink;\r | |
1764 | EFI_GCD_MAP_ENTRY *Entry;\r | |
1765 | \r | |
1766 | //\r | |
1767 | // Make sure parameters are valid\r | |
1768 | //\r | |
1769 | if (Descriptor == NULL) {\r | |
1770 | return EFI_INVALID_PARAMETER;\r | |
1771 | }\r | |
1772 | \r | |
1773 | CoreAcquireGcdIoLock ();\r | |
1774 | \r | |
1775 | //\r | |
022c6d45 | 1776 | // Search for the list of descriptors that contain BaseAddress\r |
28a00297 | 1777 | //\r |
1778 | Status = CoreSearchGcdMapEntry (BaseAddress, 1, &StartLink, &EndLink, &mGcdIoSpaceMap);\r | |
1779 | if (EFI_ERROR (Status)) {\r | |
1780 | Status = EFI_NOT_FOUND;\r | |
1781 | } else {\r | |
d2fbaaab | 1782 | ASSERT (StartLink != NULL && EndLink != NULL);\r |
28a00297 | 1783 | //\r |
1784 | // Copy the contents of the found descriptor into Descriptor\r | |
1785 | //\r | |
1786 | Entry = CR (StartLink, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1787 | BuildIoDescriptor (Descriptor, Entry);\r | |
1788 | }\r | |
1789 | \r | |
1790 | CoreReleaseGcdIoLock ();\r | |
1791 | \r | |
1792 | return Status;\r | |
1793 | }\r | |
1794 | \r | |
28a00297 | 1795 | \r |
162ed594 | 1796 | /**\r |
28a00297 | 1797 | Returns a map of the I/O resources in the global coherency domain of the processor.\r |
1798 | \r | |
022c6d45 | 1799 | @param NumberOfDescriptors Number of descriptors.\r |
1800 | @param IoSpaceMap Descriptor array\r | |
28a00297 | 1801 | \r |
022c6d45 | 1802 | @retval EFI_INVALID_PARAMETER Invalid parameter\r |
1803 | @retval EFI_OUT_OF_RESOURCES No enough buffer to allocate\r | |
162ed594 | 1804 | @retval EFI_SUCCESS Successfully get IO space map.\r |
28a00297 | 1805 | \r |
162ed594 | 1806 | **/\r |
1807 | EFI_STATUS\r | |
3b6ffb6a | 1808 | EFIAPI\r |
162ed594 | 1809 | CoreGetIoSpaceMap (\r |
1810 | OUT UINTN *NumberOfDescriptors,\r | |
1811 | OUT EFI_GCD_IO_SPACE_DESCRIPTOR **IoSpaceMap\r | |
1812 | )\r | |
28a00297 | 1813 | {\r |
1814 | EFI_STATUS Status;\r | |
1815 | LIST_ENTRY *Link;\r | |
1816 | EFI_GCD_MAP_ENTRY *Entry;\r | |
1817 | EFI_GCD_IO_SPACE_DESCRIPTOR *Descriptor;\r | |
1818 | \r | |
1819 | //\r | |
1820 | // Make sure parameters are valid\r | |
1821 | //\r | |
1822 | if (NumberOfDescriptors == NULL) {\r | |
1823 | return EFI_INVALID_PARAMETER;\r | |
1824 | }\r | |
1825 | if (IoSpaceMap == NULL) {\r | |
1826 | return EFI_INVALID_PARAMETER;\r | |
1827 | }\r | |
1828 | \r | |
1829 | CoreAcquireGcdIoLock ();\r | |
1830 | \r | |
1831 | //\r | |
1832 | // Count the number of descriptors\r | |
1833 | //\r | |
1834 | *NumberOfDescriptors = CoreCountGcdMapEntry (&mGcdIoSpaceMap);\r | |
1835 | \r | |
1836 | //\r | |
1837 | // Allocate the IoSpaceMap\r | |
1838 | //\r | |
9c4ac31c | 1839 | *IoSpaceMap = AllocatePool (*NumberOfDescriptors * sizeof (EFI_GCD_IO_SPACE_DESCRIPTOR));\r |
28a00297 | 1840 | if (*IoSpaceMap == NULL) {\r |
1841 | Status = EFI_OUT_OF_RESOURCES;\r | |
1842 | goto Done;\r | |
1843 | }\r | |
1844 | \r | |
1845 | //\r | |
1846 | // Fill in the IoSpaceMap\r | |
1847 | //\r | |
1848 | Descriptor = *IoSpaceMap;\r | |
1849 | Link = mGcdIoSpaceMap.ForwardLink;\r | |
1850 | while (Link != &mGcdIoSpaceMap) {\r | |
1851 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1852 | BuildIoDescriptor (Descriptor, Entry);\r | |
1853 | Descriptor++;\r | |
1854 | Link = Link->ForwardLink;\r | |
1855 | }\r | |
1856 | Status = EFI_SUCCESS;\r | |
1857 | \r | |
1858 | Done:\r | |
1859 | CoreReleaseGcdIoLock ();\r | |
1860 | return Status;\r | |
022c6d45 | 1861 | }\r |
28a00297 | 1862 | \r |
aa927cae | 1863 | \r |
162ed594 | 1864 | /**\r |
1865 | Converts a Resource Descriptor HOB attributes mask to an EFI Memory Descriptor\r | |
1866 | capabilities mask\r | |
1867 | \r | |
022c6d45 | 1868 | @param GcdMemoryType Type of resource in the GCD memory map.\r |
1869 | @param Attributes The attribute mask in the Resource Descriptor\r | |
1870 | HOB.\r | |
162ed594 | 1871 | \r |
1872 | @return The capabilities mask for an EFI Memory Descriptor.\r | |
1873 | \r | |
1874 | **/\r | |
28a00297 | 1875 | UINT64\r |
1876 | CoreConvertResourceDescriptorHobAttributesToCapabilities (\r | |
1877 | EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
1878 | UINT64 Attributes\r | |
1879 | )\r | |
28a00297 | 1880 | {\r |
1881 | UINT64 Capabilities;\r | |
1882 | GCD_ATTRIBUTE_CONVERSION_ENTRY *Conversion;\r | |
022c6d45 | 1883 | \r |
28a00297 | 1884 | //\r |
1885 | // Convert the Resource HOB Attributes to an EFI Memory Capabilities mask\r | |
1886 | //\r | |
1887 | for (Capabilities = 0, Conversion = mAttributeConversionTable; Conversion->Attribute != 0; Conversion++) {\r | |
1888 | if (Conversion->Memory || (GcdMemoryType != EfiGcdMemoryTypeSystemMemory)) {\r | |
1889 | if (Attributes & Conversion->Attribute) {\r | |
1890 | Capabilities |= Conversion->Capability;\r | |
1891 | }\r | |
1892 | }\r | |
1893 | }\r | |
022c6d45 | 1894 | \r |
28a00297 | 1895 | return Capabilities;\r |
1896 | }\r | |
1897 | \r | |
28a00297 | 1898 | \r |
162ed594 | 1899 | /**\r |
c18f12d3 | 1900 | External function. Initializes memory services based on the memory\r |
1901 | descriptor HOBs. This function is responsible for priming the memory\r | |
1902 | map, so memory allocations and resource allocations can be made.\r | |
1903 | The first part of this function can not depend on any memory services\r | |
1904 | until at least one memory descriptor is provided to the memory services.\r | |
28a00297 | 1905 | \r |
022c6d45 | 1906 | @param HobStart The start address of the HOB.\r |
1907 | @param MemoryBaseAddress Start address of memory region found to init DXE\r | |
1908 | core.\r | |
1909 | @param MemoryLength Length of memory region found to init DXE core.\r | |
28a00297 | 1910 | \r |
162ed594 | 1911 | @retval EFI_SUCCESS Memory services successfully initialized.\r |
28a00297 | 1912 | \r |
162ed594 | 1913 | **/\r |
1914 | EFI_STATUS\r | |
1915 | CoreInitializeMemoryServices (\r | |
1916 | IN VOID **HobStart,\r | |
1917 | OUT EFI_PHYSICAL_ADDRESS *MemoryBaseAddress,\r | |
1918 | OUT UINT64 *MemoryLength\r | |
1919 | )\r | |
28a00297 | 1920 | {\r |
1921 | EFI_PEI_HOB_POINTERS Hob;\r | |
1922 | EFI_MEMORY_TYPE_INFORMATION *EfiMemoryTypeInformation;\r | |
1923 | UINTN DataSize;\r | |
1924 | BOOLEAN Found;\r | |
1925 | EFI_HOB_HANDOFF_INFO_TABLE *PhitHob;\r | |
1926 | EFI_HOB_RESOURCE_DESCRIPTOR *ResourceHob;\r | |
1927 | EFI_HOB_RESOURCE_DESCRIPTOR *PhitResourceHob;\r | |
1928 | EFI_PHYSICAL_ADDRESS BaseAddress;\r | |
1929 | UINT64 Length;\r | |
1930 | UINT64 Attributes;\r | |
1931 | UINT64 Capabilities;\r | |
1932 | EFI_PHYSICAL_ADDRESS MaxMemoryBaseAddress;\r | |
1933 | UINT64 MaxMemoryLength;\r | |
1934 | UINT64 MaxMemoryAttributes;\r | |
c4c085a2 | 1935 | EFI_PHYSICAL_ADDRESS TestedMemoryBaseAddress;\r |
1936 | UINT64 TestedMemoryLength;\r | |
28a00297 | 1937 | EFI_PHYSICAL_ADDRESS HighAddress;\r |
28a00297 | 1938 | EFI_HOB_GUID_TYPE *GuidHob;\r |
54ea99a7 | 1939 | UINT32 ReservedCodePageNumber;\r |
28a00297 | 1940 | \r |
1941 | //\r | |
1942 | // Point at the first HOB. This must be the PHIT HOB.\r | |
1943 | //\r | |
1944 | Hob.Raw = *HobStart;\r | |
1945 | ASSERT (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_HANDOFF);\r | |
1946 | \r | |
1947 | //\r | |
1948 | // Initialize the spin locks and maps in the memory services.\r | |
1949 | // Also fill in the memory services into the EFI Boot Services Table\r | |
1950 | //\r | |
1951 | CoreInitializePool ();\r | |
1952 | \r | |
1953 | //\r | |
1954 | // Initialize Local Variables\r | |
1955 | //\r | |
1956 | PhitResourceHob = NULL;\r | |
28a00297 | 1957 | ResourceHob = NULL;\r |
1958 | BaseAddress = 0;\r | |
1959 | Length = 0;\r | |
1960 | Attributes = 0;\r | |
1961 | MaxMemoryBaseAddress = 0;\r | |
1962 | MaxMemoryLength = 0;\r | |
1963 | MaxMemoryAttributes = 0;\r | |
1964 | \r | |
1965 | //\r | |
1966 | // Cache the PHIT HOB for later use\r | |
1967 | //\r | |
1968 | PhitHob = Hob.HandoffInformationTable;\r | |
54ea99a7 | 1969 | \r |
852081fc | 1970 | if (PcdGet64(PcdLoadModuleAtFixAddressEnable) != 0) {\r |
54ea99a7 | 1971 | ReservedCodePageNumber = PcdGet32(PcdLoadFixAddressRuntimeCodePageNumber);\r |
1972 | ReservedCodePageNumber += PcdGet32(PcdLoadFixAddressBootTimeCodePageNumber);\r | |
1973 | \r | |
1974 | //\r | |
1975 | // cache the Top address for loading modules at Fixed Address \r | |
1976 | //\r | |
1977 | gLoadModuleAtFixAddressConfigurationTable.DxeCodeTopAddress = PhitHob->EfiMemoryTop \r | |
1978 | + EFI_PAGES_TO_SIZE(ReservedCodePageNumber);\r | |
1979 | }\r | |
28a00297 | 1980 | //\r |
1981 | // See if a Memory Type Information HOB is available\r | |
1982 | //\r | |
1983 | GuidHob = GetFirstGuidHob (&gEfiMemoryTypeInformationGuid);\r | |
1984 | if (GuidHob != NULL) {\r | |
1985 | EfiMemoryTypeInformation = GET_GUID_HOB_DATA (GuidHob);\r | |
1986 | DataSize = GET_GUID_HOB_DATA_SIZE (GuidHob);\r | |
1987 | if (EfiMemoryTypeInformation != NULL && DataSize > 0 && DataSize <= (EfiMaxMemoryType + 1) * sizeof (EFI_MEMORY_TYPE_INFORMATION)) {\r | |
1988 | CopyMem (&gMemoryTypeInformation, EfiMemoryTypeInformation, DataSize);\r | |
1989 | }\r | |
1990 | }\r | |
1991 | \r | |
1992 | //\r | |
c4c085a2 | 1993 | // Find the Resource Descriptor HOB that contains PHIT range EfiFreeMemoryBottom..EfiFreeMemoryTop\r |
28a00297 | 1994 | //\r |
1995 | Length = 0;\r | |
1996 | Found = FALSE;\r | |
1997 | for (Hob.Raw = *HobStart; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {\r | |
c4c085a2 | 1998 | //\r |
1999 | // Skip all HOBs except Resource Descriptor HOBs\r | |
2000 | //\r | |
2001 | if (GET_HOB_TYPE (Hob) != EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {\r | |
2002 | continue;\r | |
2003 | }\r | |
28a00297 | 2004 | \r |
c4c085a2 | 2005 | //\r |
2006 | // Skip Resource Descriptor HOBs that do not describe tested system memory\r | |
2007 | //\r | |
2008 | ResourceHob = Hob.ResourceDescriptor;\r | |
2009 | if (ResourceHob->ResourceType != EFI_RESOURCE_SYSTEM_MEMORY) {\r | |
2010 | continue;\r | |
2011 | }\r | |
2012 | if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) != TESTED_MEMORY_ATTRIBUTES) {\r | |
2013 | continue;\r | |
2014 | }\r | |
2015 | \r | |
2016 | //\r | |
2017 | // Skip Resource Descriptor HOBs that do not contain the PHIT range EfiFreeMemoryBottom..EfiFreeMemoryTop\r | |
2018 | //\r | |
2019 | if (PhitHob->EfiFreeMemoryBottom < ResourceHob->PhysicalStart) {\r | |
2020 | continue;\r | |
2021 | }\r | |
2022 | if (PhitHob->EfiFreeMemoryTop > (ResourceHob->PhysicalStart + ResourceHob->ResourceLength)) {\r | |
2023 | continue;\r | |
2024 | }\r | |
2025 | \r | |
2026 | //\r | |
2027 | // Cache the resource descriptor HOB for the memory region described by the PHIT HOB\r | |
2028 | //\r | |
2029 | PhitResourceHob = ResourceHob;\r | |
2030 | Found = TRUE;\r | |
2031 | \r | |
2032 | //\r | |
2033 | // Compute range between PHIT EfiFreeMemoryTop and the end of the Resource Descriptor HOB\r | |
2034 | //\r | |
2035 | Attributes = PhitResourceHob->ResourceAttribute;\r | |
2036 | BaseAddress = PageAlignAddress (PhitHob->EfiMemoryTop);\r | |
2037 | Length = PageAlignLength (ResourceHob->PhysicalStart + ResourceHob->ResourceLength - BaseAddress);\r | |
2038 | if (Length < MINIMUM_INITIAL_MEMORY_SIZE) {\r | |
2039 | //\r | |
2040 | // If that range is not large enough to intialize the DXE Core, then \r | |
2041 | // Compute range between PHIT EfiFreeMemoryBottom and PHIT EfiFreeMemoryTop\r | |
2042 | //\r | |
2043 | BaseAddress = PageAlignAddress (PhitHob->EfiFreeMemoryBottom);\r | |
2044 | Length = PageAlignLength (PhitHob->EfiFreeMemoryTop - BaseAddress);\r | |
2045 | if (Length < MINIMUM_INITIAL_MEMORY_SIZE) {\r | |
2046 | //\r | |
2047 | // If that range is not large enough to intialize the DXE Core, then \r | |
2048 | // Compute range between the start of the Resource Descriptor HOB and the start of the HOB List\r | |
2049 | //\r | |
2050 | BaseAddress = PageAlignAddress (ResourceHob->PhysicalStart);\r | |
2051 | Length = PageAlignLength ((UINT64)((UINTN)*HobStart - BaseAddress));\r | |
28a00297 | 2052 | }\r |
2053 | }\r | |
c4c085a2 | 2054 | break;\r |
28a00297 | 2055 | }\r |
2056 | \r | |
2057 | //\r | |
2058 | // Assert if a resource descriptor HOB for the memory region described by the PHIT was not found\r | |
2059 | //\r | |
2060 | ASSERT (Found);\r | |
2061 | \r | |
2062 | //\r | |
2063 | // Search all the resource descriptor HOBs from the highest possible addresses down for a memory\r | |
2064 | // region that is big enough to initialize the DXE core. Always skip the PHIT Resource HOB.\r | |
2065 | // The max address must be within the physically addressible range for the processor.\r | |
2066 | //\r | |
c4c085a2 | 2067 | HighAddress = MAX_ADDRESS;\r |
2068 | for (Hob.Raw = *HobStart; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {\r | |
28a00297 | 2069 | //\r |
c4c085a2 | 2070 | // Skip the Resource Descriptor HOB that contains the PHIT\r |
28a00297 | 2071 | //\r |
c4c085a2 | 2072 | if (Hob.ResourceDescriptor == PhitResourceHob) {\r |
2073 | continue;\r | |
2074 | }\r | |
2075 | //\r | |
2076 | // Skip all HOBs except Resource Descriptor HOBs\r | |
2077 | //\r | |
2078 | if (GET_HOB_TYPE (Hob) != EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {\r | |
2079 | continue;\r | |
2080 | }\r | |
28a00297 | 2081 | \r |
c4c085a2 | 2082 | //\r |
2083 | // Skip Resource Descriptor HOBs that do not describe tested system memory below MAX_ADDRESS\r | |
2084 | //\r | |
2085 | ResourceHob = Hob.ResourceDescriptor;\r | |
2086 | if (ResourceHob->ResourceType != EFI_RESOURCE_SYSTEM_MEMORY) {\r | |
2087 | continue;\r | |
28a00297 | 2088 | }\r |
c4c085a2 | 2089 | if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) != TESTED_MEMORY_ATTRIBUTES) {\r |
2090 | continue;\r | |
2091 | }\r | |
2092 | if ((ResourceHob->PhysicalStart + ResourceHob->ResourceLength) > (EFI_PHYSICAL_ADDRESS)MAX_ADDRESS) {\r | |
2093 | continue;\r | |
28a00297 | 2094 | }\r |
c4c085a2 | 2095 | \r |
2096 | //\r | |
2097 | // Skip Resource Descriptor HOBs that are below a previously found Resource Descriptor HOB\r | |
2098 | //\r | |
2099 | if (HighAddress != (EFI_PHYSICAL_ADDRESS)MAX_ADDRESS && ResourceHob->PhysicalStart <= HighAddress) {\r | |
2100 | continue;\r | |
2101 | }\r | |
2102 | \r | |
2103 | //\r | |
2104 | // Skip Resource Descriptor HOBs that are not large enough to initilize the DXE Core\r | |
2105 | //\r | |
2106 | TestedMemoryBaseAddress = PageAlignAddress (ResourceHob->PhysicalStart);\r | |
2107 | TestedMemoryLength = PageAlignLength (ResourceHob->PhysicalStart + ResourceHob->ResourceLength - TestedMemoryBaseAddress);\r | |
2108 | if (TestedMemoryLength < MINIMUM_INITIAL_MEMORY_SIZE) {\r | |
2109 | continue;\r | |
2110 | }\r | |
2111 | \r | |
2112 | //\r | |
2113 | // Save the Resource Descriptor HOB context that is large enough to initilize the DXE Core\r | |
2114 | //\r | |
2115 | MaxMemoryBaseAddress = TestedMemoryBaseAddress;\r | |
2116 | MaxMemoryLength = TestedMemoryLength;\r | |
2117 | MaxMemoryAttributes = ResourceHob->ResourceAttribute; \r | |
2118 | HighAddress = ResourceHob->PhysicalStart;\r | |
2119 | }\r | |
28a00297 | 2120 | \r |
c4c085a2 | 2121 | //\r |
2122 | // If Length is not large enough to initialize the DXE Core or a Resource \r | |
2123 | // Descriptor HOB was found above the PHIT HOB that is large enough to initialize \r | |
2124 | // the DXE Core, then use the range described by the Resource Descriptor \r | |
2125 | // HOB that was found above the PHIT HOB.\r | |
2126 | //\r | |
e94a9ff7 | 2127 | if ((Length < MINIMUM_INITIAL_MEMORY_SIZE) ||\r |
2128 | (MaxMemoryBaseAddress > BaseAddress && MaxMemoryLength >= MINIMUM_INITIAL_MEMORY_SIZE)) {\r | |
28a00297 | 2129 | BaseAddress = MaxMemoryBaseAddress;\r |
2130 | Length = MaxMemoryLength;\r | |
2131 | Attributes = MaxMemoryAttributes;\r | |
2132 | }\r | |
2133 | \r | |
2134 | //\r | |
2135 | // If no memory regions are found that are big enough to initialize the DXE core, then ASSERT().\r | |
2136 | //\r | |
2137 | ASSERT (Length >= MINIMUM_INITIAL_MEMORY_SIZE);\r | |
2138 | \r | |
2139 | //\r | |
2140 | // Convert the Resource HOB Attributes to an EFI Memory Capabilities mask\r | |
2141 | //\r | |
2142 | Capabilities = CoreConvertResourceDescriptorHobAttributesToCapabilities (EfiGcdMemoryTypeSystemMemory, Attributes);\r | |
2143 | \r | |
2144 | //\r | |
2145 | // Declare the very first memory region, so the EFI Memory Services are available.\r | |
2146 | //\r | |
2147 | CoreAddMemoryDescriptor (\r | |
2148 | EfiConventionalMemory,\r | |
2149 | BaseAddress,\r | |
2150 | RShiftU64 (Length, EFI_PAGE_SHIFT),\r | |
2151 | Capabilities\r | |
2152 | );\r | |
2153 | \r | |
2154 | *MemoryBaseAddress = BaseAddress;\r | |
2155 | *MemoryLength = Length;\r | |
2156 | \r | |
2157 | return EFI_SUCCESS;\r | |
2158 | }\r | |
2159 | \r | |
28a00297 | 2160 | \r |
162ed594 | 2161 | /**\r |
2162 | External function. Initializes the GCD and memory services based on the memory\r | |
28a00297 | 2163 | descriptor HOBs. This function is responsible for priming the GCD map and the\r |
c18f12d3 | 2164 | memory map, so memory allocations and resource allocations can be made. The\r |
2165 | HobStart will be relocated to a pool buffer.\r | |
28a00297 | 2166 | \r |
022c6d45 | 2167 | @param HobStart The start address of the HOB\r |
2168 | @param MemoryBaseAddress Start address of memory region found to init DXE\r | |
2169 | core.\r | |
2170 | @param MemoryLength Length of memory region found to init DXE core.\r | |
28a00297 | 2171 | \r |
162ed594 | 2172 | @retval EFI_SUCCESS GCD services successfully initialized.\r |
28a00297 | 2173 | \r |
162ed594 | 2174 | **/\r |
2175 | EFI_STATUS\r | |
2176 | CoreInitializeGcdServices (\r | |
e94a9ff7 | 2177 | IN OUT VOID **HobStart,\r |
162ed594 | 2178 | IN EFI_PHYSICAL_ADDRESS MemoryBaseAddress,\r |
2179 | IN UINT64 MemoryLength\r | |
2180 | )\r | |
28a00297 | 2181 | {\r |
e94a9ff7 | 2182 | EFI_PEI_HOB_POINTERS Hob;\r |
28a00297 | 2183 | VOID *NewHobList;\r |
e94a9ff7 | 2184 | EFI_HOB_HANDOFF_INFO_TABLE *PhitHob;\r |
28a00297 | 2185 | UINT8 SizeOfMemorySpace;\r |
2186 | UINT8 SizeOfIoSpace;\r | |
2187 | EFI_HOB_RESOURCE_DESCRIPTOR *ResourceHob;\r | |
2188 | EFI_PHYSICAL_ADDRESS BaseAddress;\r | |
2189 | UINT64 Length;\r | |
2190 | EFI_STATUS Status;\r | |
2191 | EFI_GCD_MAP_ENTRY *Entry;\r | |
2192 | EFI_GCD_MEMORY_TYPE GcdMemoryType;\r | |
2193 | EFI_GCD_IO_TYPE GcdIoType;\r | |
2194 | EFI_GCD_MEMORY_SPACE_DESCRIPTOR Descriptor;\r | |
2195 | EFI_HOB_MEMORY_ALLOCATION *MemoryHob;\r | |
2196 | EFI_HOB_FIRMWARE_VOLUME *FirmwareVolumeHob;\r | |
2197 | UINTN NumberOfDescriptors;\r | |
2198 | EFI_GCD_MEMORY_SPACE_DESCRIPTOR *MemorySpaceMap;\r | |
2199 | UINTN Index;\r | |
2200 | UINT64 Capabilities;\r | |
2201 | EFI_HOB_CPU * CpuHob;\r | |
e94a9ff7 | 2202 | \r |
28a00297 | 2203 | //\r |
2204 | // Cache the PHIT HOB for later use\r | |
2205 | //\r | |
2206 | PhitHob = (EFI_HOB_HANDOFF_INFO_TABLE *)(*HobStart);\r | |
2207 | \r | |
2208 | //\r | |
2209 | // Get the number of address lines in the I/O and Memory space for the CPU\r | |
2210 | //\r | |
2211 | CpuHob = GetFirstHob (EFI_HOB_TYPE_CPU);\r | |
2212 | ASSERT (CpuHob != NULL);\r | |
2213 | SizeOfMemorySpace = CpuHob->SizeOfMemorySpace;\r | |
2214 | SizeOfIoSpace = CpuHob->SizeOfIoSpace;\r | |
022c6d45 | 2215 | \r |
28a00297 | 2216 | //\r |
2217 | // Initialize the GCD Memory Space Map\r | |
2218 | //\r | |
9c4ac31c | 2219 | Entry = AllocateCopyPool (sizeof (EFI_GCD_MAP_ENTRY), &mGcdMemorySpaceMapEntryTemplate);\r |
28a00297 | 2220 | ASSERT (Entry != NULL);\r |
2221 | \r | |
2222 | Entry->EndAddress = LShiftU64 (1, SizeOfMemorySpace) - 1;\r | |
2223 | \r | |
2224 | InsertHeadList (&mGcdMemorySpaceMap, &Entry->Link);\r | |
2225 | \r | |
aa927cae | 2226 | CoreDumpGcdMemorySpaceMap (TRUE);\r |
f9d1f97c | 2227 | \r |
28a00297 | 2228 | //\r |
2229 | // Initialize the GCD I/O Space Map\r | |
2230 | //\r | |
9c4ac31c | 2231 | Entry = AllocateCopyPool (sizeof (EFI_GCD_MAP_ENTRY), &mGcdIoSpaceMapEntryTemplate);\r |
28a00297 | 2232 | ASSERT (Entry != NULL);\r |
2233 | \r | |
2234 | Entry->EndAddress = LShiftU64 (1, SizeOfIoSpace) - 1;\r | |
2235 | \r | |
2236 | InsertHeadList (&mGcdIoSpaceMap, &Entry->Link);\r | |
2237 | \r | |
aa927cae | 2238 | CoreDumpGcdIoSpaceMap (TRUE);\r |
f9d1f97c | 2239 | \r |
28a00297 | 2240 | //\r |
022c6d45 | 2241 | // Walk the HOB list and add all resource descriptors to the GCD\r |
28a00297 | 2242 | //\r |
2243 | for (Hob.Raw = *HobStart; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {\r | |
2244 | \r | |
2245 | GcdMemoryType = EfiGcdMemoryTypeNonExistent;\r | |
2246 | GcdIoType = EfiGcdIoTypeNonExistent;\r | |
2247 | \r | |
2248 | if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {\r | |
2249 | \r | |
2250 | ResourceHob = Hob.ResourceDescriptor;\r | |
2251 | \r | |
2252 | switch (ResourceHob->ResourceType) {\r | |
2253 | case EFI_RESOURCE_SYSTEM_MEMORY:\r | |
2254 | if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) == TESTED_MEMORY_ATTRIBUTES) {\r | |
2255 | GcdMemoryType = EfiGcdMemoryTypeSystemMemory;\r | |
2256 | }\r | |
2257 | if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) == INITIALIZED_MEMORY_ATTRIBUTES) {\r | |
2258 | GcdMemoryType = EfiGcdMemoryTypeReserved;\r | |
2259 | }\r | |
2260 | if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) == PRESENT_MEMORY_ATTRIBUTES) {\r | |
2261 | GcdMemoryType = EfiGcdMemoryTypeReserved;\r | |
2262 | }\r | |
2263 | break;\r | |
2264 | case EFI_RESOURCE_MEMORY_MAPPED_IO:\r | |
2265 | case EFI_RESOURCE_FIRMWARE_DEVICE:\r | |
2266 | GcdMemoryType = EfiGcdMemoryTypeMemoryMappedIo;\r | |
2267 | break;\r | |
2268 | case EFI_RESOURCE_MEMORY_MAPPED_IO_PORT:\r | |
2269 | case EFI_RESOURCE_MEMORY_RESERVED:\r | |
2270 | GcdMemoryType = EfiGcdMemoryTypeReserved;\r | |
2271 | break;\r | |
2272 | case EFI_RESOURCE_IO:\r | |
2273 | GcdIoType = EfiGcdIoTypeIo;\r | |
2274 | break;\r | |
2275 | case EFI_RESOURCE_IO_RESERVED:\r | |
2276 | GcdIoType = EfiGcdIoTypeReserved;\r | |
2277 | break;\r | |
2278 | }\r | |
2279 | \r | |
2280 | if (GcdMemoryType != EfiGcdMemoryTypeNonExistent) {\r | |
28a00297 | 2281 | //\r |
2282 | // Convert the Resource HOB Attributes to an EFI Memory Capabilities mask\r | |
2283 | //\r | |
2284 | Capabilities = CoreConvertResourceDescriptorHobAttributesToCapabilities (\r | |
2285 | GcdMemoryType,\r | |
2286 | ResourceHob->ResourceAttribute\r | |
2287 | );\r | |
2288 | \r | |
2289 | Status = CoreInternalAddMemorySpace (\r | |
2290 | GcdMemoryType,\r | |
2291 | ResourceHob->PhysicalStart,\r | |
2292 | ResourceHob->ResourceLength,\r | |
2293 | Capabilities\r | |
2294 | );\r | |
2295 | }\r | |
2296 | \r | |
2297 | if (GcdIoType != EfiGcdIoTypeNonExistent) {\r | |
2298 | Status = CoreAddIoSpace (\r | |
2299 | GcdIoType,\r | |
2300 | ResourceHob->PhysicalStart,\r | |
2301 | ResourceHob->ResourceLength\r | |
2302 | );\r | |
2303 | }\r | |
2304 | }\r | |
2305 | }\r | |
2306 | \r | |
2307 | //\r | |
2308 | // Allocate first memory region from the GCD by the DXE core\r | |
2309 | //\r | |
2310 | Status = CoreAllocateMemorySpace (\r | |
2311 | EfiGcdAllocateAddress,\r | |
2312 | EfiGcdMemoryTypeSystemMemory,\r | |
2313 | 0,\r | |
2314 | MemoryLength,\r | |
2315 | &MemoryBaseAddress,\r | |
2316 | gDxeCoreImageHandle,\r | |
2317 | NULL\r | |
2318 | );\r | |
2319 | \r | |
2320 | //\r | |
2321 | // Walk the HOB list and allocate all memory space that is consumed by memory allocation HOBs,\r | |
2322 | // and Firmware Volume HOBs. Also update the EFI Memory Map with the memory allocation HOBs.\r | |
2323 | //\r | |
2324 | for (Hob.Raw = *HobStart; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {\r | |
2325 | if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_MEMORY_ALLOCATION) {\r | |
2326 | MemoryHob = Hob.MemoryAllocation;\r | |
2327 | BaseAddress = MemoryHob->AllocDescriptor.MemoryBaseAddress;\r | |
f942f107 | 2328 | Status = CoreGetMemorySpaceDescriptor (BaseAddress, &Descriptor);\r |
28a00297 | 2329 | if (!EFI_ERROR (Status)) {\r |
f942f107 | 2330 | Status = CoreAllocateMemorySpace (\r |
2331 | EfiGcdAllocateAddress,\r | |
022c6d45 | 2332 | Descriptor.GcdMemoryType,\r |
f942f107 | 2333 | 0,\r |
2334 | MemoryHob->AllocDescriptor.MemoryLength,\r | |
2335 | &BaseAddress,\r | |
2336 | gDxeCoreImageHandle,\r | |
2337 | NULL\r | |
2338 | );\r | |
2339 | if (!EFI_ERROR (Status) && Descriptor.GcdMemoryType == EfiGcdMemoryTypeSystemMemory) {\r | |
28a00297 | 2340 | CoreAddMemoryDescriptor (\r |
2341 | MemoryHob->AllocDescriptor.MemoryType,\r | |
2342 | MemoryHob->AllocDescriptor.MemoryBaseAddress,\r | |
2343 | RShiftU64 (MemoryHob->AllocDescriptor.MemoryLength, EFI_PAGE_SHIFT),\r | |
2344 | Descriptor.Capabilities & (~EFI_MEMORY_RUNTIME)\r | |
2345 | );\r | |
2346 | }\r | |
2347 | }\r | |
2348 | }\r | |
2349 | \r | |
2350 | if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_FV) {\r | |
2351 | FirmwareVolumeHob = Hob.FirmwareVolume;\r | |
2352 | BaseAddress = FirmwareVolumeHob->BaseAddress;\r | |
2353 | Status = CoreAllocateMemorySpace (\r | |
2354 | EfiGcdAllocateAddress,\r | |
022c6d45 | 2355 | EfiGcdMemoryTypeMemoryMappedIo,\r |
28a00297 | 2356 | 0,\r |
2357 | FirmwareVolumeHob->Length,\r | |
2358 | &BaseAddress,\r | |
2359 | gDxeCoreImageHandle,\r | |
2360 | NULL\r | |
2361 | );\r | |
2362 | }\r | |
2363 | }\r | |
2364 | \r | |
2365 | //\r | |
2366 | // Relocate HOB List to an allocated pool buffer.\r | |
2367 | //\r | |
9c4ac31c | 2368 | NewHobList = AllocateCopyPool (\r |
022c6d45 | 2369 | (UINTN)PhitHob->EfiFreeMemoryBottom - (UINTN)(*HobStart),\r |
28a00297 | 2370 | *HobStart\r |
2371 | );\r | |
2372 | ASSERT (NewHobList != NULL);\r | |
2373 | \r | |
2374 | *HobStart = NewHobList;\r | |
05339bd7 | 2375 | gHobList = NewHobList;\r |
28a00297 | 2376 | \r |
2377 | //\r | |
2378 | // Add and allocate the remaining unallocated system memory to the memory services.\r | |
2379 | //\r | |
2380 | Status = CoreGetMemorySpaceMap (&NumberOfDescriptors, &MemorySpaceMap);\r | |
311a71b2 | 2381 | ASSERT (Status == EFI_SUCCESS);\r |
2382 | \r | |
28a00297 | 2383 | for (Index = 0; Index < NumberOfDescriptors; Index++) {\r |
2384 | if (MemorySpaceMap[Index].GcdMemoryType == EfiGcdMemoryTypeSystemMemory) {\r | |
2385 | if (MemorySpaceMap[Index].ImageHandle == NULL) {\r | |
2386 | BaseAddress = PageAlignAddress (MemorySpaceMap[Index].BaseAddress);\r | |
2387 | Length = PageAlignLength (MemorySpaceMap[Index].BaseAddress + MemorySpaceMap[Index].Length - BaseAddress);\r | |
383c303c | 2388 | if (Length == 0 || MemorySpaceMap[Index].BaseAddress + MemorySpaceMap[Index].Length < BaseAddress) {\r |
2389 | continue;\r | |
2390 | }\r | |
28a00297 | 2391 | CoreAddMemoryDescriptor (\r |
2392 | EfiConventionalMemory,\r | |
2393 | BaseAddress,\r | |
2394 | RShiftU64 (Length, EFI_PAGE_SHIFT),\r | |
2395 | MemorySpaceMap[Index].Capabilities & (~EFI_MEMORY_RUNTIME)\r | |
2396 | );\r | |
2397 | Status = CoreAllocateMemorySpace (\r | |
2398 | EfiGcdAllocateAddress,\r | |
2399 | EfiGcdMemoryTypeSystemMemory,\r | |
2400 | 0,\r | |
2401 | Length,\r | |
2402 | &BaseAddress,\r | |
2403 | gDxeCoreImageHandle,\r | |
2404 | NULL\r | |
2405 | );\r | |
2406 | }\r | |
2407 | }\r | |
2408 | }\r | |
2409 | CoreFreePool (MemorySpaceMap);\r | |
2410 | \r | |
2411 | return EFI_SUCCESS;\r | |
2412 | }\r |