]>
Commit | Line | Data |
---|---|---|
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 |
7328295c | 6 | Copyright (c) 2006 - 2017, 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 | |
6db13692 | 28 | EFI_RESOURCE_ATTRIBUTE_READ_ONLY_PROTECTED | \\r |
28a00297 | 29 | EFI_RESOURCE_ATTRIBUTE_16_BIT_IO | \\r |
30 | EFI_RESOURCE_ATTRIBUTE_32_BIT_IO | \\r | |
a671a012 LG |
31 | EFI_RESOURCE_ATTRIBUTE_64_BIT_IO | \\r |
32 | EFI_RESOURCE_ATTRIBUTE_PERSISTENT )\r | |
28a00297 | 33 | \r |
34 | #define TESTED_MEMORY_ATTRIBUTES (EFI_RESOURCE_ATTRIBUTE_PRESENT | \\r | |
35 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED | \\r | |
36 | EFI_RESOURCE_ATTRIBUTE_TESTED )\r | |
37 | \r | |
38 | #define INITIALIZED_MEMORY_ATTRIBUTES (EFI_RESOURCE_ATTRIBUTE_PRESENT | \\r | |
39 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED )\r | |
40 | \r | |
41 | #define PRESENT_MEMORY_ATTRIBUTES (EFI_RESOURCE_ATTRIBUTE_PRESENT)\r | |
42 | \r | |
14dde9e9 JW |
43 | #define EXCLUSIVE_MEMORY_ATTRIBUTES (EFI_MEMORY_UC | EFI_MEMORY_WC | \\r |
44 | EFI_MEMORY_WT | EFI_MEMORY_WB | \\r | |
45 | EFI_MEMORY_WP | EFI_MEMORY_UCE)\r | |
46 | \r | |
47 | #define NONEXCLUSIVE_MEMORY_ATTRIBUTES (EFI_MEMORY_XP | EFI_MEMORY_RP | \\r | |
48 | EFI_MEMORY_RO)\r | |
49 | \r | |
28a00297 | 50 | #define INVALID_CPU_ARCH_ATTRIBUTES 0xffffffff\r |
51 | \r | |
52 | //\r | |
53 | // Module Variables\r | |
54 | //\r | |
55 | EFI_LOCK mGcdMemorySpaceLock = EFI_INITIALIZE_LOCK_VARIABLE (TPL_NOTIFY);\r | |
56 | EFI_LOCK mGcdIoSpaceLock = EFI_INITIALIZE_LOCK_VARIABLE (TPL_NOTIFY);\r | |
57 | LIST_ENTRY mGcdMemorySpaceMap = INITIALIZE_LIST_HEAD_VARIABLE (mGcdMemorySpaceMap);\r | |
58 | LIST_ENTRY mGcdIoSpaceMap = INITIALIZE_LIST_HEAD_VARIABLE (mGcdIoSpaceMap);\r | |
59 | \r | |
60 | EFI_GCD_MAP_ENTRY mGcdMemorySpaceMapEntryTemplate = {\r | |
61 | EFI_GCD_MAP_SIGNATURE,\r | |
022c6d45 | 62 | {\r |
e94a9ff7 | 63 | NULL,\r |
64 | NULL\r | |
65 | },\r | |
28a00297 | 66 | 0,\r |
67 | 0,\r | |
68 | 0,\r | |
69 | 0,\r | |
70 | EfiGcdMemoryTypeNonExistent,\r | |
71 | (EFI_GCD_IO_TYPE) 0,\r | |
72 | NULL,\r | |
73 | NULL\r | |
74 | };\r | |
75 | \r | |
76 | EFI_GCD_MAP_ENTRY mGcdIoSpaceMapEntryTemplate = {\r | |
77 | EFI_GCD_MAP_SIGNATURE,\r | |
e94a9ff7 | 78 | {\r |
79 | NULL,\r | |
80 | NULL\r | |
81 | },\r | |
28a00297 | 82 | 0,\r |
83 | 0,\r | |
84 | 0,\r | |
85 | 0,\r | |
86 | (EFI_GCD_MEMORY_TYPE) 0,\r | |
87 | EfiGcdIoTypeNonExistent,\r | |
88 | NULL,\r | |
89 | NULL\r | |
90 | };\r | |
91 | \r | |
92 | GCD_ATTRIBUTE_CONVERSION_ENTRY mAttributeConversionTable[] = {\r | |
74705ca5 SZ |
93 | { EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE, EFI_MEMORY_UC, TRUE },\r |
94 | { EFI_RESOURCE_ATTRIBUTE_UNCACHED_EXPORTED, EFI_MEMORY_UCE, TRUE },\r | |
95 | { EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE, EFI_MEMORY_WC, TRUE },\r | |
96 | { EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE, EFI_MEMORY_WT, TRUE },\r | |
97 | { EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE, EFI_MEMORY_WB, TRUE },\r | |
98 | { EFI_RESOURCE_ATTRIBUTE_READ_PROTECTABLE, EFI_MEMORY_RP, TRUE },\r | |
99 | { EFI_RESOURCE_ATTRIBUTE_WRITE_PROTECTABLE, EFI_MEMORY_WP, TRUE },\r | |
100 | { EFI_RESOURCE_ATTRIBUTE_EXECUTION_PROTECTABLE, EFI_MEMORY_XP, TRUE },\r | |
101 | { EFI_RESOURCE_ATTRIBUTE_READ_ONLY_PROTECTABLE, EFI_MEMORY_RO, TRUE },\r | |
102 | { EFI_RESOURCE_ATTRIBUTE_PRESENT, EFI_MEMORY_PRESENT, FALSE },\r | |
103 | { EFI_RESOURCE_ATTRIBUTE_INITIALIZED, EFI_MEMORY_INITIALIZED, FALSE },\r | |
104 | { EFI_RESOURCE_ATTRIBUTE_TESTED, EFI_MEMORY_TESTED, FALSE },\r | |
105 | { EFI_RESOURCE_ATTRIBUTE_PERSISTABLE, EFI_MEMORY_NV, TRUE },\r | |
106 | { EFI_RESOURCE_ATTRIBUTE_MORE_RELIABLE, EFI_MEMORY_MORE_RELIABLE, TRUE },\r | |
107 | { 0, 0, FALSE }\r | |
28a00297 | 108 | };\r |
109 | \r | |
f9d1f97c | 110 | ///\r |
111 | /// Lookup table used to print GCD Memory Space Map\r | |
112 | ///\r | |
113 | GLOBAL_REMOVE_IF_UNREFERENCED CONST CHAR8 *mGcdMemoryTypeNames[] = {\r | |
114 | "NonExist ", // EfiGcdMemoryTypeNonExistent\r | |
115 | "Reserved ", // EfiGcdMemoryTypeReserved\r | |
116 | "SystemMem", // EfiGcdMemoryTypeSystemMemory\r | |
117 | "MMIO ", // EfiGcdMemoryTypeMemoryMappedIo\r | |
35ac962b | 118 | "PersisMem", // EfiGcdMemoryTypePersistent\r |
74705ca5 | 119 | "MoreRelia", // EfiGcdMemoryTypeMoreReliable\r |
f9d1f97c | 120 | "Unknown " // EfiGcdMemoryTypeMaximum\r |
121 | };\r | |
122 | \r | |
123 | ///\r | |
124 | /// Lookup table used to print GCD I/O Space Map\r | |
125 | ///\r | |
126 | GLOBAL_REMOVE_IF_UNREFERENCED CONST CHAR8 *mGcdIoTypeNames[] = {\r | |
127 | "NonExist", // EfiGcdIoTypeNonExistent\r | |
128 | "Reserved", // EfiGcdIoTypeReserved\r | |
129 | "I/O ", // EfiGcdIoTypeIo\r | |
130 | "Unknown " // EfiGcdIoTypeMaximum \r | |
131 | };\r | |
132 | \r | |
133 | ///\r | |
134 | /// Lookup table used to print GCD Allocation Types\r | |
135 | ///\r | |
136 | GLOBAL_REMOVE_IF_UNREFERENCED CONST CHAR8 *mGcdAllocationTypeNames[] = {\r | |
137 | "AnySearchBottomUp ", // EfiGcdAllocateAnySearchBottomUp\r | |
138 | "MaxAddressSearchBottomUp ", // EfiGcdAllocateMaxAddressSearchBottomUp\r | |
139 | "AtAddress ", // EfiGcdAllocateAddress\r | |
140 | "AnySearchTopDown ", // EfiGcdAllocateAnySearchTopDown\r | |
141 | "MaxAddressSearchTopDown ", // EfiGcdAllocateMaxAddressSearchTopDown\r | |
142 | "Unknown " // EfiGcdMaxAllocateType\r | |
143 | };\r | |
144 | \r | |
145 | /**\r | |
146 | Dump the entire contents if the GCD Memory Space Map using DEBUG() macros when\r | |
147 | PcdDebugPrintErrorLevel has the DEBUG_GCD bit set.\r | |
148 | \r | |
aa927cae | 149 | @param InitialMap TRUE if the initial GCD Memory Map is being dumped. Otherwise, FALSE.\r |
150 | \r | |
f9d1f97c | 151 | **/\r |
152 | VOID\r | |
153 | EFIAPI\r | |
154 | CoreDumpGcdMemorySpaceMap (\r | |
aa927cae | 155 | BOOLEAN InitialMap\r |
f9d1f97c | 156 | )\r |
157 | {\r | |
aa927cae | 158 | DEBUG_CODE (\r |
159 | EFI_STATUS Status;\r | |
160 | UINTN NumberOfDescriptors;\r | |
161 | EFI_GCD_MEMORY_SPACE_DESCRIPTOR *MemorySpaceMap;\r | |
162 | UINTN Index;\r | |
163 | \r | |
164 | Status = CoreGetMemorySpaceMap (&NumberOfDescriptors, &MemorySpaceMap);\r | |
3d267c70 | 165 | ASSERT (Status == EFI_SUCCESS && MemorySpaceMap != NULL);\r |
aa927cae | 166 | \r |
167 | if (InitialMap) {\r | |
168 | DEBUG ((DEBUG_GCD, "GCD:Initial GCD Memory Space Map\n"));\r | |
169 | }\r | |
170 | DEBUG ((DEBUG_GCD, "GCDMemType Range Capabilities Attributes \n"));\r | |
171 | DEBUG ((DEBUG_GCD, "========== ================================= ================ ================\n"));\r | |
172 | for (Index = 0; Index < NumberOfDescriptors; Index++) {\r | |
173 | DEBUG ((DEBUG_GCD, "%a %016lx-%016lx %016lx %016lx%c\n", \r | |
174 | mGcdMemoryTypeNames[MIN (MemorySpaceMap[Index].GcdMemoryType, EfiGcdMemoryTypeMaximum)],\r | |
175 | MemorySpaceMap[Index].BaseAddress, \r | |
176 | MemorySpaceMap[Index].BaseAddress + MemorySpaceMap[Index].Length - 1,\r | |
177 | MemorySpaceMap[Index].Capabilities, \r | |
178 | MemorySpaceMap[Index].Attributes,\r | |
179 | MemorySpaceMap[Index].ImageHandle == NULL ? ' ' : '*'\r | |
180 | ));\r | |
181 | }\r | |
182 | DEBUG ((DEBUG_GCD, "\n"));\r | |
183 | FreePool (MemorySpaceMap);\r | |
184 | );\r | |
f9d1f97c | 185 | }\r |
186 | \r | |
187 | /**\r | |
188 | Dump the entire contents if the GCD I/O Space Map using DEBUG() macros when \r | |
189 | PcdDebugPrintErrorLevel has the DEBUG_GCD bit set.\r | |
190 | \r | |
aa927cae | 191 | @param InitialMap TRUE if the initial GCD I/O Map is being dumped. Otherwise, FALSE.\r |
192 | \r | |
f9d1f97c | 193 | **/\r |
194 | VOID\r | |
195 | EFIAPI\r | |
196 | CoreDumpGcdIoSpaceMap (\r | |
aa927cae | 197 | BOOLEAN InitialMap\r |
f9d1f97c | 198 | )\r |
199 | {\r | |
aa927cae | 200 | DEBUG_CODE (\r |
201 | EFI_STATUS Status;\r | |
202 | UINTN NumberOfDescriptors;\r | |
203 | EFI_GCD_IO_SPACE_DESCRIPTOR *IoSpaceMap;\r | |
204 | UINTN Index;\r | |
205 | \r | |
206 | Status = CoreGetIoSpaceMap (&NumberOfDescriptors, &IoSpaceMap);\r | |
3d267c70 | 207 | ASSERT (Status == EFI_SUCCESS && IoSpaceMap != NULL);\r |
aa927cae | 208 | \r |
209 | if (InitialMap) {\r | |
210 | DEBUG ((DEBUG_GCD, "GCD:Initial GCD I/O Space Map\n"));\r | |
211 | } \r | |
212 | \r | |
213 | DEBUG ((DEBUG_GCD, "GCDIoType Range \n"));\r | |
214 | DEBUG ((DEBUG_GCD, "========== =================================\n"));\r | |
215 | for (Index = 0; Index < NumberOfDescriptors; Index++) {\r | |
216 | DEBUG ((DEBUG_GCD, "%a %016lx-%016lx%c\n", \r | |
217 | mGcdIoTypeNames[MIN (IoSpaceMap[Index].GcdIoType, EfiGcdIoTypeMaximum)],\r | |
218 | IoSpaceMap[Index].BaseAddress, \r | |
219 | IoSpaceMap[Index].BaseAddress + IoSpaceMap[Index].Length - 1,\r | |
220 | IoSpaceMap[Index].ImageHandle == NULL ? ' ' : '*'\r | |
221 | ));\r | |
222 | }\r | |
223 | DEBUG ((DEBUG_GCD, "\n"));\r | |
224 | FreePool (IoSpaceMap);\r | |
225 | );\r | |
f9d1f97c | 226 | }\r |
227 | \r | |
d12a2ecb | 228 | /**\r |
229 | Validate resource descriptor HOB's attributes.\r | |
230 | \r | |
231 | If Attributes includes some memory resource's settings, it should include \r | |
232 | the corresponding capabilites also.\r | |
f9d1f97c | 233 | \r |
d12a2ecb | 234 | @param Attributes Resource descriptor HOB attributes.\r |
235 | \r | |
236 | **/\r | |
237 | VOID\r | |
238 | CoreValidateResourceDescriptorHobAttributes (\r | |
239 | IN UINT64 Attributes\r | |
240 | )\r | |
241 | {\r | |
242 | ASSERT (((Attributes & EFI_RESOURCE_ATTRIBUTE_READ_PROTECTED) == 0) ||\r | |
243 | ((Attributes & EFI_RESOURCE_ATTRIBUTE_READ_PROTECTABLE) != 0));\r | |
244 | ASSERT (((Attributes & EFI_RESOURCE_ATTRIBUTE_WRITE_PROTECTED) == 0) ||\r | |
245 | ((Attributes & EFI_RESOURCE_ATTRIBUTE_WRITE_PROTECTABLE) != 0));\r | |
246 | ASSERT (((Attributes & EFI_RESOURCE_ATTRIBUTE_EXECUTION_PROTECTED) == 0) ||\r | |
247 | ((Attributes & EFI_RESOURCE_ATTRIBUTE_EXECUTION_PROTECTABLE) != 0));\r | |
6db13692 SZ |
248 | ASSERT (((Attributes & EFI_RESOURCE_ATTRIBUTE_READ_ONLY_PROTECTED) == 0) ||\r |
249 | ((Attributes & EFI_RESOURCE_ATTRIBUTE_READ_ONLY_PROTECTABLE) != 0));\r | |
a671a012 LG |
250 | ASSERT (((Attributes & EFI_RESOURCE_ATTRIBUTE_PERSISTENT) == 0) ||\r |
251 | ((Attributes & EFI_RESOURCE_ATTRIBUTE_PERSISTABLE) != 0));\r | |
d12a2ecb | 252 | }\r |
162ed594 | 253 | \r |
254 | /**\r | |
255 | Acquire memory lock on mGcdMemorySpaceLock.\r | |
256 | \r | |
257 | **/\r | |
28a00297 | 258 | VOID\r |
259 | CoreAcquireGcdMemoryLock (\r | |
260 | VOID\r | |
261 | )\r | |
28a00297 | 262 | {\r |
263 | CoreAcquireLock (&mGcdMemorySpaceLock);\r | |
264 | }\r | |
265 | \r | |
266 | \r | |
162ed594 | 267 | \r |
268 | /**\r | |
269 | Release memory lock on mGcdMemorySpaceLock.\r | |
270 | \r | |
271 | **/\r | |
28a00297 | 272 | VOID\r |
273 | CoreReleaseGcdMemoryLock (\r | |
274 | VOID\r | |
275 | )\r | |
28a00297 | 276 | {\r |
277 | CoreReleaseLock (&mGcdMemorySpaceLock);\r | |
278 | }\r | |
279 | \r | |
280 | \r | |
162ed594 | 281 | \r |
282 | /**\r | |
283 | Acquire memory lock on mGcdIoSpaceLock.\r | |
284 | \r | |
285 | **/\r | |
28a00297 | 286 | VOID\r |
287 | CoreAcquireGcdIoLock (\r | |
288 | VOID\r | |
289 | )\r | |
28a00297 | 290 | {\r |
291 | CoreAcquireLock (&mGcdIoSpaceLock);\r | |
292 | }\r | |
293 | \r | |
162ed594 | 294 | \r |
295 | /**\r | |
296 | Release memory lock on mGcdIoSpaceLock.\r | |
297 | \r | |
298 | **/\r | |
28a00297 | 299 | VOID\r |
300 | CoreReleaseGcdIoLock (\r | |
301 | VOID\r | |
302 | )\r | |
28a00297 | 303 | {\r |
304 | CoreReleaseLock (&mGcdIoSpaceLock);\r | |
305 | }\r | |
306 | \r | |
307 | \r | |
308 | \r | |
309 | //\r | |
310 | // GCD Initialization Worker Functions\r | |
311 | //\r | |
162ed594 | 312 | /**\r |
313 | Aligns a value to the specified boundary.\r | |
314 | \r | |
022c6d45 | 315 | @param Value 64 bit value to align\r |
316 | @param Alignment Log base 2 of the boundary to align Value to\r | |
317 | @param RoundUp TRUE if Value is to be rounded up to the nearest\r | |
318 | aligned boundary. FALSE is Value is to be\r | |
319 | rounded down to the nearest aligned boundary.\r | |
162ed594 | 320 | \r |
321 | @return A 64 bit value is the aligned to the value nearest Value with an alignment by Alignment.\r | |
322 | \r | |
323 | **/\r | |
28a00297 | 324 | UINT64\r |
325 | AlignValue (\r | |
326 | IN UINT64 Value,\r | |
327 | IN UINTN Alignment,\r | |
328 | IN BOOLEAN RoundUp\r | |
329 | )\r | |
28a00297 | 330 | {\r |
331 | UINT64 AlignmentMask;\r | |
332 | \r | |
333 | AlignmentMask = LShiftU64 (1, Alignment) - 1;\r | |
334 | if (RoundUp) {\r | |
335 | Value += AlignmentMask;\r | |
336 | }\r | |
337 | return Value & (~AlignmentMask);\r | |
338 | }\r | |
339 | \r | |
28a00297 | 340 | \r |
162ed594 | 341 | /**\r |
28a00297 | 342 | Aligns address to the page boundary.\r |
343 | \r | |
022c6d45 | 344 | @param Value 64 bit address to align\r |
28a00297 | 345 | \r |
162ed594 | 346 | @return A 64 bit value is the aligned to the value nearest Value with an alignment by Alignment.\r |
28a00297 | 347 | \r |
162ed594 | 348 | **/\r |
28a00297 | 349 | UINT64\r |
162ed594 | 350 | PageAlignAddress (\r |
28a00297 | 351 | IN UINT64 Value\r |
352 | )\r | |
162ed594 | 353 | {\r |
354 | return AlignValue (Value, EFI_PAGE_SHIFT, TRUE);\r | |
355 | }\r | |
28a00297 | 356 | \r |
28a00297 | 357 | \r |
162ed594 | 358 | /**\r |
28a00297 | 359 | Aligns length to the page boundary.\r |
360 | \r | |
022c6d45 | 361 | @param Value 64 bit length to align\r |
28a00297 | 362 | \r |
162ed594 | 363 | @return A 64 bit value is the aligned to the value nearest Value with an alignment by Alignment.\r |
28a00297 | 364 | \r |
162ed594 | 365 | **/\r |
162ed594 | 366 | UINT64\r |
367 | PageAlignLength (\r | |
368 | IN UINT64 Value\r | |
369 | )\r | |
28a00297 | 370 | {\r |
371 | return AlignValue (Value, EFI_PAGE_SHIFT, FALSE);\r | |
372 | }\r | |
373 | \r | |
374 | //\r | |
375 | // GCD Memory Space Worker Functions\r | |
376 | //\r | |
162ed594 | 377 | \r |
378 | /**\r | |
379 | Allocate pool for two entries.\r | |
380 | \r | |
022c6d45 | 381 | @param TopEntry An entry of GCD map\r |
382 | @param BottomEntry An entry of GCD map\r | |
162ed594 | 383 | \r |
022c6d45 | 384 | @retval EFI_OUT_OF_RESOURCES No enough buffer to be allocated.\r |
162ed594 | 385 | @retval EFI_SUCCESS Both entries successfully allocated.\r |
386 | \r | |
387 | **/\r | |
28a00297 | 388 | EFI_STATUS\r |
389 | CoreAllocateGcdMapEntry (\r | |
390 | IN OUT EFI_GCD_MAP_ENTRY **TopEntry,\r | |
391 | IN OUT EFI_GCD_MAP_ENTRY **BottomEntry\r | |
392 | )\r | |
28a00297 | 393 | {\r |
9c4ac31c | 394 | *TopEntry = AllocateZeroPool (sizeof (EFI_GCD_MAP_ENTRY));\r |
28a00297 | 395 | if (*TopEntry == NULL) {\r |
396 | return EFI_OUT_OF_RESOURCES;\r | |
397 | }\r | |
398 | \r | |
9c4ac31c | 399 | *BottomEntry = AllocateZeroPool (sizeof (EFI_GCD_MAP_ENTRY));\r |
28a00297 | 400 | if (*BottomEntry == NULL) {\r |
401 | CoreFreePool (*TopEntry);\r | |
402 | return EFI_OUT_OF_RESOURCES;\r | |
403 | }\r | |
404 | \r | |
405 | return EFI_SUCCESS;\r | |
406 | }\r | |
407 | \r | |
162ed594 | 408 | \r |
409 | /**\r | |
410 | Internal function. Inserts a new descriptor into a sorted list\r | |
411 | \r | |
022c6d45 | 412 | @param Link The linked list to insert the range BaseAddress\r |
413 | and Length into\r | |
414 | @param Entry A pointer to the entry that is inserted\r | |
415 | @param BaseAddress The base address of the new range\r | |
416 | @param Length The length of the new range in bytes\r | |
417 | @param TopEntry Top pad entry to insert if needed.\r | |
418 | @param BottomEntry Bottom pad entry to insert if needed.\r | |
162ed594 | 419 | \r |
420 | @retval EFI_SUCCESS The new range was inserted into the linked list\r | |
421 | \r | |
422 | **/\r | |
28a00297 | 423 | EFI_STATUS\r |
424 | CoreInsertGcdMapEntry (\r | |
425 | IN LIST_ENTRY *Link,\r | |
426 | IN EFI_GCD_MAP_ENTRY *Entry,\r | |
427 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
428 | IN UINT64 Length,\r | |
429 | IN EFI_GCD_MAP_ENTRY *TopEntry,\r | |
430 | IN EFI_GCD_MAP_ENTRY *BottomEntry\r | |
431 | )\r | |
28a00297 | 432 | {\r |
433 | ASSERT (Length != 0);\r | |
28a00297 | 434 | \r |
435 | if (BaseAddress > Entry->BaseAddress) {\r | |
f75316c3 | 436 | ASSERT (BottomEntry->Signature == 0);\r |
437 | \r | |
28a00297 | 438 | CopyMem (BottomEntry, Entry, sizeof (EFI_GCD_MAP_ENTRY));\r |
439 | Entry->BaseAddress = BaseAddress;\r | |
440 | BottomEntry->EndAddress = BaseAddress - 1;\r | |
441 | InsertTailList (Link, &BottomEntry->Link);\r | |
022c6d45 | 442 | }\r |
28a00297 | 443 | \r |
444 | if ((BaseAddress + Length - 1) < Entry->EndAddress) {\r | |
f75316c3 | 445 | ASSERT (TopEntry->Signature == 0);\r |
446 | \r | |
28a00297 | 447 | CopyMem (TopEntry, Entry, sizeof (EFI_GCD_MAP_ENTRY));\r |
448 | TopEntry->BaseAddress = BaseAddress + Length;\r | |
449 | Entry->EndAddress = BaseAddress + Length - 1;\r | |
450 | InsertHeadList (Link, &TopEntry->Link);\r | |
451 | }\r | |
452 | \r | |
453 | return EFI_SUCCESS;\r | |
454 | }\r | |
455 | \r | |
162ed594 | 456 | \r |
457 | /**\r | |
e94a9ff7 | 458 | Merge the Gcd region specified by Link and its adjacent entry.\r |
162ed594 | 459 | \r |
022c6d45 | 460 | @param Link Specify the entry to be merged (with its\r |
461 | adjacent entry).\r | |
462 | @param Forward Direction (forward or backward).\r | |
463 | @param Map Boundary.\r | |
162ed594 | 464 | \r |
022c6d45 | 465 | @retval EFI_SUCCESS Successfully returned.\r |
162ed594 | 466 | @retval EFI_UNSUPPORTED These adjacent regions could not merge.\r |
467 | \r | |
468 | **/\r | |
28a00297 | 469 | EFI_STATUS\r |
470 | CoreMergeGcdMapEntry (\r | |
471 | IN LIST_ENTRY *Link,\r | |
472 | IN BOOLEAN Forward,\r | |
473 | IN LIST_ENTRY *Map\r | |
474 | )\r | |
28a00297 | 475 | {\r |
476 | LIST_ENTRY *AdjacentLink;\r | |
477 | EFI_GCD_MAP_ENTRY *Entry;\r | |
478 | EFI_GCD_MAP_ENTRY *AdjacentEntry;\r | |
479 | \r | |
480 | //\r | |
481 | // Get adjacent entry\r | |
482 | //\r | |
483 | if (Forward) {\r | |
484 | AdjacentLink = Link->ForwardLink;\r | |
485 | } else {\r | |
486 | AdjacentLink = Link->BackLink;\r | |
487 | }\r | |
488 | \r | |
489 | //\r | |
490 | // If AdjacentLink is the head of the list, then no merge can be performed\r | |
491 | //\r | |
492 | if (AdjacentLink == Map) {\r | |
493 | return EFI_SUCCESS;\r | |
494 | }\r | |
495 | \r | |
496 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
497 | AdjacentEntry = CR (AdjacentLink, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
498 | \r | |
499 | if (Entry->Capabilities != AdjacentEntry->Capabilities) {\r | |
500 | return EFI_UNSUPPORTED;\r | |
501 | }\r | |
502 | if (Entry->Attributes != AdjacentEntry->Attributes) {\r | |
503 | return EFI_UNSUPPORTED;\r | |
504 | }\r | |
505 | if (Entry->GcdMemoryType != AdjacentEntry->GcdMemoryType) {\r | |
506 | return EFI_UNSUPPORTED;\r | |
507 | }\r | |
508 | if (Entry->GcdIoType != AdjacentEntry->GcdIoType) {\r | |
509 | return EFI_UNSUPPORTED;\r | |
510 | }\r | |
511 | if (Entry->ImageHandle != AdjacentEntry->ImageHandle) {\r | |
512 | return EFI_UNSUPPORTED;\r | |
513 | }\r | |
514 | if (Entry->DeviceHandle != AdjacentEntry->DeviceHandle) {\r | |
515 | return EFI_UNSUPPORTED;\r | |
516 | }\r | |
517 | \r | |
518 | if (Forward) {\r | |
519 | Entry->EndAddress = AdjacentEntry->EndAddress;\r | |
520 | } else {\r | |
521 | Entry->BaseAddress = AdjacentEntry->BaseAddress;\r | |
522 | }\r | |
523 | RemoveEntryList (AdjacentLink);\r | |
524 | CoreFreePool (AdjacentEntry);\r | |
525 | \r | |
526 | return EFI_SUCCESS;\r | |
527 | }\r | |
528 | \r | |
162ed594 | 529 | \r |
530 | /**\r | |
531 | Merge adjacent entries on total chain.\r | |
532 | \r | |
022c6d45 | 533 | @param TopEntry Top entry of GCD map.\r |
534 | @param BottomEntry Bottom entry of GCD map.\r | |
535 | @param StartLink Start link of the list for this loop.\r | |
536 | @param EndLink End link of the list for this loop.\r | |
537 | @param Map Boundary.\r | |
162ed594 | 538 | \r |
539 | @retval EFI_SUCCESS GCD map successfully cleaned up.\r | |
540 | \r | |
541 | **/\r | |
28a00297 | 542 | EFI_STATUS\r |
543 | CoreCleanupGcdMapEntry (\r | |
544 | IN EFI_GCD_MAP_ENTRY *TopEntry,\r | |
545 | IN EFI_GCD_MAP_ENTRY *BottomEntry,\r | |
546 | IN LIST_ENTRY *StartLink,\r | |
547 | IN LIST_ENTRY *EndLink,\r | |
548 | IN LIST_ENTRY *Map\r | |
549 | )\r | |
28a00297 | 550 | {\r |
551 | LIST_ENTRY *Link;\r | |
552 | \r | |
553 | if (TopEntry->Signature == 0) {\r | |
554 | CoreFreePool (TopEntry);\r | |
555 | }\r | |
556 | if (BottomEntry->Signature == 0) {\r | |
557 | CoreFreePool (BottomEntry);\r | |
558 | }\r | |
559 | \r | |
560 | Link = StartLink;\r | |
561 | while (Link != EndLink->ForwardLink) {\r | |
562 | CoreMergeGcdMapEntry (Link, FALSE, Map);\r | |
563 | Link = Link->ForwardLink;\r | |
564 | }\r | |
565 | CoreMergeGcdMapEntry (EndLink, TRUE, Map);\r | |
566 | \r | |
567 | return EFI_SUCCESS;\r | |
568 | }\r | |
569 | \r | |
162ed594 | 570 | \r |
571 | /**\r | |
572 | Search a segment of memory space in GCD map. The result is a range of GCD entry list.\r | |
573 | \r | |
022c6d45 | 574 | @param BaseAddress The start address of the segment.\r |
575 | @param Length The length of the segment.\r | |
576 | @param StartLink The first GCD entry involves this segment of\r | |
577 | memory space.\r | |
578 | @param EndLink The first GCD entry involves this segment of\r | |
579 | memory space.\r | |
580 | @param Map Points to the start entry to search.\r | |
162ed594 | 581 | \r |
022c6d45 | 582 | @retval EFI_SUCCESS Successfully found the entry.\r |
162ed594 | 583 | @retval EFI_NOT_FOUND Not found.\r |
584 | \r | |
585 | **/\r | |
28a00297 | 586 | EFI_STATUS\r |
587 | CoreSearchGcdMapEntry (\r | |
588 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
589 | IN UINT64 Length,\r | |
590 | OUT LIST_ENTRY **StartLink,\r | |
591 | OUT LIST_ENTRY **EndLink,\r | |
592 | IN LIST_ENTRY *Map\r | |
593 | )\r | |
28a00297 | 594 | {\r |
595 | LIST_ENTRY *Link;\r | |
596 | EFI_GCD_MAP_ENTRY *Entry;\r | |
597 | \r | |
598 | ASSERT (Length != 0);\r | |
599 | \r | |
600 | *StartLink = NULL;\r | |
601 | *EndLink = NULL;\r | |
602 | \r | |
603 | Link = Map->ForwardLink;\r | |
604 | while (Link != Map) {\r | |
605 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
606 | if (BaseAddress >= Entry->BaseAddress && BaseAddress <= Entry->EndAddress) {\r | |
607 | *StartLink = Link;\r | |
608 | }\r | |
609 | if (*StartLink != NULL) {\r | |
022c6d45 | 610 | if ((BaseAddress + Length - 1) >= Entry->BaseAddress &&\r |
28a00297 | 611 | (BaseAddress + Length - 1) <= Entry->EndAddress ) {\r |
612 | *EndLink = Link;\r | |
613 | return EFI_SUCCESS;\r | |
614 | }\r | |
615 | }\r | |
616 | Link = Link->ForwardLink;\r | |
617 | }\r | |
e94a9ff7 | 618 | \r |
28a00297 | 619 | return EFI_NOT_FOUND;\r |
620 | }\r | |
621 | \r | |
28a00297 | 622 | \r |
162ed594 | 623 | /**\r |
28a00297 | 624 | Count the amount of GCD map entries.\r |
625 | \r | |
022c6d45 | 626 | @param Map Points to the start entry to do the count loop.\r |
28a00297 | 627 | \r |
162ed594 | 628 | @return The count.\r |
28a00297 | 629 | \r |
162ed594 | 630 | **/\r |
162ed594 | 631 | UINTN\r |
632 | CoreCountGcdMapEntry (\r | |
633 | IN LIST_ENTRY *Map\r | |
634 | )\r | |
28a00297 | 635 | {\r |
636 | UINTN Count;\r | |
637 | LIST_ENTRY *Link;\r | |
638 | \r | |
639 | Count = 0;\r | |
640 | Link = Map->ForwardLink;\r | |
641 | while (Link != Map) {\r | |
642 | Count++;\r | |
643 | Link = Link->ForwardLink;\r | |
644 | }\r | |
022c6d45 | 645 | \r |
28a00297 | 646 | return Count;\r |
647 | }\r | |
648 | \r | |
649 | \r | |
28a00297 | 650 | \r |
162ed594 | 651 | /**\r |
28a00297 | 652 | Return the memory attribute specified by Attributes\r |
653 | \r | |
022c6d45 | 654 | @param Attributes A num with some attribute bits on.\r |
28a00297 | 655 | \r |
162ed594 | 656 | @return The enum value of memory attribute.\r |
28a00297 | 657 | \r |
162ed594 | 658 | **/\r |
162ed594 | 659 | UINT64\r |
660 | ConverToCpuArchAttributes (\r | |
661 | UINT64 Attributes\r | |
23c98c94 | 662 | )\r |
28a00297 | 663 | {\r |
14dde9e9 | 664 | UINT64 CpuArchAttributes;\r |
28a00297 | 665 | \r |
14dde9e9 JW |
666 | if ((Attributes & ~(EXCLUSIVE_MEMORY_ATTRIBUTES |\r |
667 | NONEXCLUSIVE_MEMORY_ATTRIBUTES)) != 0) {\r | |
668 | return INVALID_CPU_ARCH_ATTRIBUTES;\r | |
28a00297 | 669 | }\r |
670 | \r | |
14dde9e9 | 671 | CpuArchAttributes = Attributes & NONEXCLUSIVE_MEMORY_ATTRIBUTES;\r |
28a00297 | 672 | \r |
14dde9e9 JW |
673 | if ( (Attributes & EFI_MEMORY_UC) == EFI_MEMORY_UC) {\r |
674 | CpuArchAttributes |= EFI_MEMORY_UC;\r | |
675 | } else if ( (Attributes & EFI_MEMORY_WC ) == EFI_MEMORY_WC) {\r | |
676 | CpuArchAttributes |= EFI_MEMORY_WC;\r | |
677 | } else if ( (Attributes & EFI_MEMORY_WT ) == EFI_MEMORY_WT) {\r | |
678 | CpuArchAttributes |= EFI_MEMORY_WT;\r | |
679 | } else if ( (Attributes & EFI_MEMORY_WB) == EFI_MEMORY_WB) {\r | |
680 | CpuArchAttributes |= EFI_MEMORY_WB;\r | |
681 | } else if ( (Attributes & EFI_MEMORY_UCE) == EFI_MEMORY_UCE) {\r | |
682 | CpuArchAttributes |= EFI_MEMORY_UCE;\r | |
683 | } else if ( (Attributes & EFI_MEMORY_WP) == EFI_MEMORY_WP) {\r | |
684 | CpuArchAttributes |= EFI_MEMORY_WP;\r | |
28a00297 | 685 | }\r |
686 | \r | |
14dde9e9 | 687 | return CpuArchAttributes;\r |
28a00297 | 688 | }\r |
689 | \r | |
162ed594 | 690 | \r |
691 | /**\r | |
692 | Do operation on a segment of memory space specified (add, free, remove, change attribute ...).\r | |
693 | \r | |
022c6d45 | 694 | @param Operation The type of the operation\r |
695 | @param GcdMemoryType Additional information for the operation\r | |
696 | @param GcdIoType Additional information for the operation\r | |
697 | @param BaseAddress Start address of the segment\r | |
698 | @param Length length of the segment\r | |
699 | @param Capabilities The alterable attributes of a newly added entry\r | |
700 | @param Attributes The attributes needs to be set\r | |
701 | \r | |
702 | @retval EFI_INVALID_PARAMETER Length is 0 or address (length) not aligned when\r | |
703 | setting attribute.\r | |
704 | @retval EFI_SUCCESS Action successfully done.\r | |
705 | @retval EFI_UNSUPPORTED Could not find the proper descriptor on this\r | |
706 | segment or set an upsupported attribute.\r | |
707 | @retval EFI_ACCESS_DENIED Operate on an space non-exist or is used for an\r | |
708 | image.\r | |
709 | @retval EFI_NOT_FOUND Free a non-using space or remove a non-exist\r | |
710 | space, and so on.\r | |
162ed594 | 711 | @retval EFI_OUT_OF_RESOURCES No buffer could be allocated.\r |
fc8ff20f | 712 | @retval EFI_NOT_AVAILABLE_YET The attributes cannot be set because CPU architectural protocol\r |
713 | is not available yet.\r | |
162ed594 | 714 | **/\r |
28a00297 | 715 | EFI_STATUS\r |
716 | CoreConvertSpace (\r | |
717 | IN UINTN Operation,\r | |
718 | IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
719 | IN EFI_GCD_IO_TYPE GcdIoType,\r | |
720 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
721 | IN UINT64 Length,\r | |
722 | IN UINT64 Capabilities,\r | |
723 | IN UINT64 Attributes\r | |
724 | )\r | |
28a00297 | 725 | {\r |
726 | EFI_STATUS Status;\r | |
727 | LIST_ENTRY *Map;\r | |
728 | LIST_ENTRY *Link;\r | |
729 | EFI_GCD_MAP_ENTRY *Entry;\r | |
730 | EFI_GCD_MAP_ENTRY *TopEntry;\r | |
731 | EFI_GCD_MAP_ENTRY *BottomEntry;\r | |
732 | LIST_ENTRY *StartLink;\r | |
733 | LIST_ENTRY *EndLink;\r | |
f9d1f97c | 734 | UINT64 CpuArchAttributes;\r |
28a00297 | 735 | \r |
736 | if (Length == 0) {\r | |
aa927cae | 737 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 738 | return EFI_INVALID_PARAMETER;\r |
739 | }\r | |
740 | \r | |
741 | Map = NULL;\r | |
71f68914 | 742 | if ((Operation & GCD_MEMORY_SPACE_OPERATION) != 0) {\r |
28a00297 | 743 | CoreAcquireGcdMemoryLock ();\r |
744 | Map = &mGcdMemorySpaceMap;\r | |
fbbb4211 | 745 | } else if ((Operation & GCD_IO_SPACE_OPERATION) != 0) {\r |
28a00297 | 746 | CoreAcquireGcdIoLock ();\r |
747 | Map = &mGcdIoSpaceMap;\r | |
fbbb4211 | 748 | } else {\r |
749 | ASSERT (FALSE);\r | |
28a00297 | 750 | }\r |
751 | \r | |
752 | //\r | |
753 | // Search for the list of descriptors that cover the range BaseAddress to BaseAddress+Length\r | |
754 | //\r | |
755 | Status = CoreSearchGcdMapEntry (BaseAddress, Length, &StartLink, &EndLink, Map);\r | |
756 | if (EFI_ERROR (Status)) {\r | |
757 | Status = EFI_UNSUPPORTED;\r | |
758 | \r | |
759 | goto Done;\r | |
760 | }\r | |
d2fbaaab | 761 | ASSERT (StartLink != NULL && EndLink != NULL);\r |
28a00297 | 762 | \r |
763 | //\r | |
764 | // Verify that the list of descriptors are unallocated non-existent memory.\r | |
765 | //\r | |
766 | Link = StartLink;\r | |
767 | while (Link != EndLink->ForwardLink) {\r | |
768 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
769 | switch (Operation) {\r | |
770 | //\r | |
771 | // Add operations\r | |
772 | //\r | |
773 | case GCD_ADD_MEMORY_OPERATION:\r | |
774 | if (Entry->GcdMemoryType != EfiGcdMemoryTypeNonExistent ||\r | |
775 | Entry->ImageHandle != NULL ) {\r | |
776 | Status = EFI_ACCESS_DENIED;\r | |
777 | goto Done;\r | |
778 | }\r | |
779 | break;\r | |
780 | case GCD_ADD_IO_OPERATION:\r | |
781 | if (Entry->GcdIoType != EfiGcdIoTypeNonExistent ||\r | |
782 | Entry->ImageHandle != NULL ) {\r | |
783 | Status = EFI_ACCESS_DENIED;\r | |
784 | goto Done;\r | |
785 | }\r | |
786 | break;\r | |
787 | //\r | |
788 | // Free operations\r | |
789 | //\r | |
790 | case GCD_FREE_MEMORY_OPERATION:\r | |
791 | case GCD_FREE_IO_OPERATION:\r | |
792 | if (Entry->ImageHandle == NULL) {\r | |
793 | Status = EFI_NOT_FOUND;\r | |
794 | goto Done;\r | |
795 | }\r | |
796 | break;\r | |
797 | //\r | |
798 | // Remove operations\r | |
799 | //\r | |
800 | case GCD_REMOVE_MEMORY_OPERATION:\r | |
801 | if (Entry->GcdMemoryType == EfiGcdMemoryTypeNonExistent) {\r | |
802 | Status = EFI_NOT_FOUND;\r | |
803 | goto Done;\r | |
804 | }\r | |
805 | if (Entry->ImageHandle != NULL) {\r | |
806 | Status = EFI_ACCESS_DENIED;\r | |
807 | goto Done;\r | |
808 | }\r | |
809 | break;\r | |
810 | case GCD_REMOVE_IO_OPERATION:\r | |
811 | if (Entry->GcdIoType == EfiGcdIoTypeNonExistent) {\r | |
812 | Status = EFI_NOT_FOUND;\r | |
813 | goto Done;\r | |
814 | }\r | |
815 | if (Entry->ImageHandle != NULL) {\r | |
816 | Status = EFI_ACCESS_DENIED;\r | |
817 | goto Done;\r | |
818 | }\r | |
819 | break;\r | |
820 | //\r | |
771ee501 | 821 | // Set attributes operation\r |
28a00297 | 822 | //\r |
823 | case GCD_SET_ATTRIBUTES_MEMORY_OPERATION:\r | |
71f68914 | 824 | if ((Attributes & EFI_MEMORY_RUNTIME) != 0) {\r |
28a00297 | 825 | if ((BaseAddress & EFI_PAGE_MASK) != 0 || (Length & EFI_PAGE_MASK) != 0) {\r |
826 | Status = EFI_INVALID_PARAMETER;\r | |
28a00297 | 827 | goto Done;\r |
828 | }\r | |
829 | }\r | |
830 | if ((Entry->Capabilities & Attributes) != Attributes) {\r | |
831 | Status = EFI_UNSUPPORTED;\r | |
832 | goto Done;\r | |
833 | }\r | |
834 | break;\r | |
736a692e HT |
835 | //\r |
836 | // Set capabilities operation\r | |
837 | //\r | |
838 | case GCD_SET_CAPABILITIES_MEMORY_OPERATION:\r | |
839 | if ((BaseAddress & EFI_PAGE_MASK) != 0 || (Length & EFI_PAGE_MASK) != 0) {\r | |
840 | Status = EFI_INVALID_PARAMETER;\r | |
841 | \r | |
842 | goto Done;\r | |
771ee501 | 843 | }\r |
736a692e | 844 | //\r |
771ee501 | 845 | // Current attributes must still be supported with new capabilities\r |
736a692e HT |
846 | //\r |
847 | if ((Capabilities & Entry->Attributes) != Entry->Attributes) {\r | |
848 | Status = EFI_UNSUPPORTED;\r | |
849 | goto Done;\r | |
850 | }\r | |
771ee501 | 851 | break;\r |
28a00297 | 852 | }\r |
853 | Link = Link->ForwardLink;\r | |
854 | }\r | |
855 | \r | |
856 | //\r | |
857 | // Allocate work space to perform this operation\r | |
858 | //\r | |
859 | Status = CoreAllocateGcdMapEntry (&TopEntry, &BottomEntry);\r | |
860 | if (EFI_ERROR (Status)) {\r | |
861 | Status = EFI_OUT_OF_RESOURCES;\r | |
862 | goto Done;\r | |
863 | }\r | |
d2fbaaab | 864 | ASSERT (TopEntry != NULL && BottomEntry != NULL);\r |
28a00297 | 865 | \r |
28a00297 | 866 | if (Operation == GCD_SET_ATTRIBUTES_MEMORY_OPERATION) {\r |
867 | //\r | |
868 | // Call CPU Arch Protocol to attempt to set attributes on the range\r | |
869 | //\r | |
870 | CpuArchAttributes = ConverToCpuArchAttributes (Attributes);\r | |
f9d1f97c | 871 | if (CpuArchAttributes != INVALID_CPU_ARCH_ATTRIBUTES) {\r |
fc8ff20f | 872 | if (gCpu == NULL) {\r |
873 | Status = EFI_NOT_AVAILABLE_YET;\r | |
874 | } else {\r | |
f9d1f97c | 875 | Status = gCpu->SetMemoryAttributes (\r |
876 | gCpu,\r | |
877 | BaseAddress,\r | |
878 | Length,\r | |
879 | CpuArchAttributes\r | |
880 | );\r | |
fc8ff20f | 881 | }\r |
882 | if (EFI_ERROR (Status)) {\r | |
883 | CoreFreePool (TopEntry);\r | |
884 | CoreFreePool (BottomEntry);\r | |
885 | goto Done;\r | |
28a00297 | 886 | }\r |
887 | }\r | |
28a00297 | 888 | }\r |
889 | \r | |
890 | //\r | |
891 | // Convert/Insert the list of descriptors from StartLink to EndLink\r | |
892 | //\r | |
893 | Link = StartLink;\r | |
894 | while (Link != EndLink->ForwardLink) {\r | |
895 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
896 | CoreInsertGcdMapEntry (Link, Entry, BaseAddress, Length, TopEntry, BottomEntry);\r | |
897 | switch (Operation) {\r | |
898 | //\r | |
899 | // Add operations\r | |
900 | //\r | |
901 | case GCD_ADD_MEMORY_OPERATION:\r | |
902 | Entry->GcdMemoryType = GcdMemoryType;\r | |
903 | if (GcdMemoryType == EfiGcdMemoryTypeMemoryMappedIo) {\r | |
904 | Entry->Capabilities = Capabilities | EFI_MEMORY_RUNTIME | EFI_MEMORY_PORT_IO;\r | |
905 | } else {\r | |
906 | Entry->Capabilities = Capabilities | EFI_MEMORY_RUNTIME;\r | |
907 | }\r | |
908 | break;\r | |
909 | case GCD_ADD_IO_OPERATION:\r | |
910 | Entry->GcdIoType = GcdIoType;\r | |
911 | break;\r | |
912 | //\r | |
913 | // Free operations\r | |
914 | //\r | |
915 | case GCD_FREE_MEMORY_OPERATION:\r | |
916 | case GCD_FREE_IO_OPERATION:\r | |
917 | Entry->ImageHandle = NULL;\r | |
918 | Entry->DeviceHandle = NULL;\r | |
919 | break;\r | |
920 | //\r | |
921 | // Remove operations\r | |
922 | //\r | |
923 | case GCD_REMOVE_MEMORY_OPERATION:\r | |
924 | Entry->GcdMemoryType = EfiGcdMemoryTypeNonExistent;\r | |
925 | Entry->Capabilities = 0;\r | |
926 | break;\r | |
927 | case GCD_REMOVE_IO_OPERATION:\r | |
928 | Entry->GcdIoType = EfiGcdIoTypeNonExistent;\r | |
929 | break;\r | |
930 | //\r | |
771ee501 | 931 | // Set attributes operation\r |
28a00297 | 932 | //\r |
933 | case GCD_SET_ATTRIBUTES_MEMORY_OPERATION:\r | |
934 | Entry->Attributes = Attributes;\r | |
935 | break;\r | |
771ee501 EC |
936 | //\r |
937 | // Set capabilities operation\r | |
938 | //\r | |
736a692e HT |
939 | case GCD_SET_CAPABILITIES_MEMORY_OPERATION:\r |
940 | Entry->Capabilities = Capabilities;\r | |
771ee501 | 941 | break;\r |
28a00297 | 942 | }\r |
943 | Link = Link->ForwardLink;\r | |
944 | }\r | |
945 | \r | |
946 | //\r | |
947 | // Cleanup\r | |
948 | //\r | |
949 | Status = CoreCleanupGcdMapEntry (TopEntry, BottomEntry, StartLink, EndLink, Map);\r | |
950 | \r | |
951 | Done:\r | |
aa927cae | 952 | DEBUG ((DEBUG_GCD, " Status = %r\n", Status));\r |
f9d1f97c | 953 | \r |
71f68914 | 954 | if ((Operation & GCD_MEMORY_SPACE_OPERATION) != 0) {\r |
28a00297 | 955 | CoreReleaseGcdMemoryLock ();\r |
aa927cae | 956 | CoreDumpGcdMemorySpaceMap (FALSE);\r |
28a00297 | 957 | }\r |
71f68914 | 958 | if ((Operation & GCD_IO_SPACE_OPERATION) != 0) {\r |
28a00297 | 959 | CoreReleaseGcdIoLock ();\r |
aa927cae | 960 | CoreDumpGcdIoSpaceMap (FALSE);\r |
28a00297 | 961 | }\r |
962 | \r | |
963 | return Status;\r | |
964 | }\r | |
965 | \r | |
162ed594 | 966 | \r |
967 | /**\r | |
968 | Check whether an entry could be used to allocate space.\r | |
969 | \r | |
022c6d45 | 970 | @param Operation Allocate memory or IO\r |
971 | @param Entry The entry to be tested\r | |
972 | @param GcdMemoryType The desired memory type\r | |
973 | @param GcdIoType The desired IO type\r | |
162ed594 | 974 | \r |
022c6d45 | 975 | @retval EFI_NOT_FOUND The memory type does not match or there's an\r |
976 | image handle on the entry.\r | |
977 | @retval EFI_UNSUPPORTED The operation unsupported.\r | |
978 | @retval EFI_SUCCESS It's ok for this entry to be used to allocate\r | |
162ed594 | 979 | space.\r |
980 | \r | |
981 | **/\r | |
28a00297 | 982 | EFI_STATUS\r |
983 | CoreAllocateSpaceCheckEntry (\r | |
984 | IN UINTN Operation,\r | |
985 | IN EFI_GCD_MAP_ENTRY *Entry,\r | |
986 | IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
987 | IN EFI_GCD_IO_TYPE GcdIoType\r | |
988 | )\r | |
28a00297 | 989 | {\r |
990 | if (Entry->ImageHandle != NULL) {\r | |
991 | return EFI_NOT_FOUND;\r | |
992 | }\r | |
993 | switch (Operation) {\r | |
994 | case GCD_ALLOCATE_MEMORY_OPERATION:\r | |
995 | if (Entry->GcdMemoryType != GcdMemoryType) {\r | |
996 | return EFI_NOT_FOUND;\r | |
997 | }\r | |
998 | break;\r | |
999 | case GCD_ALLOCATE_IO_OPERATION:\r | |
1000 | if (Entry->GcdIoType != GcdIoType) {\r | |
1001 | return EFI_NOT_FOUND;\r | |
1002 | }\r | |
1003 | break;\r | |
1004 | default:\r | |
1005 | return EFI_UNSUPPORTED;\r | |
1006 | }\r | |
1007 | return EFI_SUCCESS;\r | |
1008 | }\r | |
1009 | \r | |
162ed594 | 1010 | \r |
1011 | /**\r | |
1012 | Allocate space on specified address and length.\r | |
1013 | \r | |
022c6d45 | 1014 | @param Operation The type of operation (memory or IO)\r |
1015 | @param GcdAllocateType The type of allocate operation\r | |
1016 | @param GcdMemoryType The desired memory type\r | |
1017 | @param GcdIoType The desired IO type\r | |
1018 | @param Alignment Align with 2^Alignment\r | |
1019 | @param Length Length to allocate\r | |
1020 | @param BaseAddress Base address to allocate\r | |
1021 | @param ImageHandle The image handle consume the allocated space.\r | |
1022 | @param DeviceHandle The device handle consume the allocated space.\r | |
1023 | \r | |
1024 | @retval EFI_INVALID_PARAMETER Invalid parameter.\r | |
1025 | @retval EFI_NOT_FOUND No descriptor for the desired space exists.\r | |
162ed594 | 1026 | @retval EFI_SUCCESS Space successfully allocated.\r |
1027 | \r | |
1028 | **/\r | |
28a00297 | 1029 | EFI_STATUS\r |
1030 | CoreAllocateSpace (\r | |
1031 | IN UINTN Operation,\r | |
1032 | IN EFI_GCD_ALLOCATE_TYPE GcdAllocateType,\r | |
1033 | IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
1034 | IN EFI_GCD_IO_TYPE GcdIoType,\r | |
1035 | IN UINTN Alignment,\r | |
1036 | IN UINT64 Length,\r | |
1037 | IN OUT EFI_PHYSICAL_ADDRESS *BaseAddress,\r | |
1038 | IN EFI_HANDLE ImageHandle,\r | |
1039 | IN EFI_HANDLE DeviceHandle OPTIONAL\r | |
1040 | )\r | |
28a00297 | 1041 | {\r |
1042 | EFI_STATUS Status;\r | |
1043 | EFI_PHYSICAL_ADDRESS AlignmentMask;\r | |
1044 | EFI_PHYSICAL_ADDRESS MaxAddress;\r | |
1045 | LIST_ENTRY *Map;\r | |
1046 | LIST_ENTRY *Link;\r | |
1047 | LIST_ENTRY *SubLink;\r | |
1048 | EFI_GCD_MAP_ENTRY *Entry;\r | |
1049 | EFI_GCD_MAP_ENTRY *TopEntry;\r | |
1050 | EFI_GCD_MAP_ENTRY *BottomEntry;\r | |
1051 | LIST_ENTRY *StartLink;\r | |
1052 | LIST_ENTRY *EndLink;\r | |
1053 | BOOLEAN Found;\r | |
1054 | \r | |
1055 | //\r | |
1056 | // Make sure parameters are valid\r | |
1057 | //\r | |
3d78c020 | 1058 | if ((UINT32)GcdAllocateType >= EfiGcdMaxAllocateType) {\r |
aa927cae | 1059 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 1060 | return EFI_INVALID_PARAMETER;\r |
1061 | }\r | |
3d78c020 | 1062 | if ((UINT32)GcdMemoryType >= EfiGcdMemoryTypeMaximum) {\r |
aa927cae | 1063 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 1064 | return EFI_INVALID_PARAMETER;\r |
1065 | }\r | |
3d78c020 | 1066 | if ((UINT32)GcdIoType >= EfiGcdIoTypeMaximum) {\r |
aa927cae | 1067 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 1068 | return EFI_INVALID_PARAMETER;\r |
1069 | }\r | |
1070 | if (BaseAddress == NULL) {\r | |
aa927cae | 1071 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 1072 | return EFI_INVALID_PARAMETER;\r |
1073 | }\r | |
1074 | if (ImageHandle == NULL) {\r | |
aa927cae | 1075 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 1076 | return EFI_INVALID_PARAMETER;\r |
1077 | }\r | |
1078 | if (Alignment >= 64) {\r | |
aa927cae | 1079 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_NOT_FOUND));\r |
28a00297 | 1080 | return EFI_NOT_FOUND;\r |
1081 | }\r | |
1082 | if (Length == 0) {\r | |
aa927cae | 1083 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 1084 | return EFI_INVALID_PARAMETER;\r |
1085 | }\r | |
1086 | \r | |
1087 | Map = NULL;\r | |
71f68914 | 1088 | if ((Operation & GCD_MEMORY_SPACE_OPERATION) != 0) {\r |
28a00297 | 1089 | CoreAcquireGcdMemoryLock ();\r |
1090 | Map = &mGcdMemorySpaceMap;\r | |
fbbb4211 | 1091 | } else if ((Operation & GCD_IO_SPACE_OPERATION) != 0) {\r |
28a00297 | 1092 | CoreAcquireGcdIoLock ();\r |
1093 | Map = &mGcdIoSpaceMap;\r | |
fbbb4211 | 1094 | } else {\r |
1095 | ASSERT (FALSE);\r | |
28a00297 | 1096 | }\r |
1097 | \r | |
1098 | Found = FALSE;\r | |
1099 | StartLink = NULL;\r | |
1100 | EndLink = NULL;\r | |
1101 | //\r | |
1102 | // Compute alignment bit mask\r | |
1103 | //\r | |
1104 | AlignmentMask = LShiftU64 (1, Alignment) - 1;\r | |
1105 | \r | |
1106 | if (GcdAllocateType == EfiGcdAllocateAddress) {\r | |
1107 | //\r | |
1108 | // Verify that the BaseAddress passed in is aligned correctly\r | |
1109 | //\r | |
1110 | if ((*BaseAddress & AlignmentMask) != 0) {\r | |
1111 | Status = EFI_NOT_FOUND;\r | |
1112 | goto Done;\r | |
1113 | }\r | |
1114 | \r | |
1115 | //\r | |
1116 | // Search for the list of descriptors that cover the range BaseAddress to BaseAddress+Length\r | |
1117 | //\r | |
1118 | Status = CoreSearchGcdMapEntry (*BaseAddress, Length, &StartLink, &EndLink, Map);\r | |
1119 | if (EFI_ERROR (Status)) {\r | |
1120 | Status = EFI_NOT_FOUND;\r | |
1121 | goto Done;\r | |
1122 | }\r | |
d2fbaaab | 1123 | ASSERT (StartLink != NULL && EndLink != NULL);\r |
28a00297 | 1124 | \r |
1125 | //\r | |
1126 | // Verify that the list of descriptors are unallocated memory matching GcdMemoryType.\r | |
1127 | //\r | |
1128 | Link = StartLink;\r | |
1129 | while (Link != EndLink->ForwardLink) {\r | |
1130 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1131 | Link = Link->ForwardLink;\r | |
1132 | Status = CoreAllocateSpaceCheckEntry (Operation, Entry, GcdMemoryType, GcdIoType);\r | |
1133 | if (EFI_ERROR (Status)) {\r | |
1134 | goto Done;\r | |
1135 | }\r | |
1136 | }\r | |
1137 | Found = TRUE;\r | |
1138 | } else {\r | |
1139 | \r | |
1140 | Entry = CR (Map->BackLink, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1141 | \r | |
1142 | //\r | |
1143 | // Compute the maximum address to use in the search algorithm\r | |
1144 | //\r | |
1145 | if (GcdAllocateType == EfiGcdAllocateMaxAddressSearchBottomUp ||\r | |
1146 | GcdAllocateType == EfiGcdAllocateMaxAddressSearchTopDown ) {\r | |
1147 | MaxAddress = *BaseAddress;\r | |
1148 | } else {\r | |
1149 | MaxAddress = Entry->EndAddress;\r | |
1150 | }\r | |
1151 | \r | |
1152 | //\r | |
1153 | // Verify that the list of descriptors are unallocated memory matching GcdMemoryType.\r | |
1154 | //\r | |
1155 | if (GcdAllocateType == EfiGcdAllocateMaxAddressSearchTopDown ||\r | |
1156 | GcdAllocateType == EfiGcdAllocateAnySearchTopDown ) {\r | |
1157 | Link = Map->BackLink;\r | |
1158 | } else {\r | |
1159 | Link = Map->ForwardLink;\r | |
1160 | }\r | |
1161 | while (Link != Map) {\r | |
1162 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1163 | \r | |
1164 | if (GcdAllocateType == EfiGcdAllocateMaxAddressSearchTopDown ||\r | |
1165 | GcdAllocateType == EfiGcdAllocateAnySearchTopDown ) {\r | |
1166 | Link = Link->BackLink;\r | |
1167 | } else {\r | |
1168 | Link = Link->ForwardLink;\r | |
1169 | }\r | |
1170 | \r | |
1171 | Status = CoreAllocateSpaceCheckEntry (Operation, Entry, GcdMemoryType, GcdIoType);\r | |
1172 | if (EFI_ERROR (Status)) {\r | |
1173 | continue;\r | |
1174 | }\r | |
1175 | \r | |
1176 | if (GcdAllocateType == EfiGcdAllocateMaxAddressSearchTopDown ||\r | |
e94a9ff7 | 1177 | GcdAllocateType == EfiGcdAllocateAnySearchTopDown) {\r |
28a00297 | 1178 | if ((Entry->BaseAddress + Length) > MaxAddress) {\r |
1179 | continue;\r | |
1180 | }\r | |
1181 | if (Length > (Entry->EndAddress + 1)) {\r | |
1182 | Status = EFI_NOT_FOUND;\r | |
1183 | goto Done;\r | |
1184 | }\r | |
1185 | if (Entry->EndAddress > MaxAddress) {\r | |
1186 | *BaseAddress = MaxAddress;\r | |
1187 | } else {\r | |
1188 | *BaseAddress = Entry->EndAddress;\r | |
1189 | }\r | |
1190 | *BaseAddress = (*BaseAddress + 1 - Length) & (~AlignmentMask);\r | |
1191 | } else {\r | |
1192 | *BaseAddress = (Entry->BaseAddress + AlignmentMask) & (~AlignmentMask);\r | |
1193 | if ((*BaseAddress + Length - 1) > MaxAddress) {\r | |
1194 | Status = EFI_NOT_FOUND;\r | |
1195 | goto Done;\r | |
1196 | }\r | |
1197 | }\r | |
1198 | \r | |
1199 | //\r | |
1200 | // Search for the list of descriptors that cover the range BaseAddress to BaseAddress+Length\r | |
1201 | //\r | |
1202 | Status = CoreSearchGcdMapEntry (*BaseAddress, Length, &StartLink, &EndLink, Map);\r | |
1203 | if (EFI_ERROR (Status)) {\r | |
1204 | Status = EFI_NOT_FOUND;\r | |
1205 | goto Done;\r | |
1206 | }\r | |
d2fbaaab | 1207 | ASSERT (StartLink != NULL && EndLink != NULL);\r |
28a00297 | 1208 | \r |
1209 | Link = StartLink;\r | |
1210 | //\r | |
1211 | // Verify that the list of descriptors are unallocated memory matching GcdMemoryType.\r | |
1212 | //\r | |
1213 | Found = TRUE;\r | |
1214 | SubLink = StartLink;\r | |
1215 | while (SubLink != EndLink->ForwardLink) {\r | |
1216 | Entry = CR (SubLink, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1217 | Status = CoreAllocateSpaceCheckEntry (Operation, Entry, GcdMemoryType, GcdIoType);\r | |
1218 | if (EFI_ERROR (Status)) {\r | |
1219 | Link = SubLink;\r | |
1220 | Found = FALSE;\r | |
1221 | break;\r | |
1222 | }\r | |
1223 | SubLink = SubLink->ForwardLink;\r | |
1224 | }\r | |
1225 | if (Found) {\r | |
1226 | break;\r | |
1227 | }\r | |
1228 | }\r | |
1229 | }\r | |
1230 | if (!Found) {\r | |
1231 | Status = EFI_NOT_FOUND;\r | |
1232 | goto Done;\r | |
1233 | }\r | |
1234 | \r | |
1235 | //\r | |
1236 | // Allocate work space to perform this operation\r | |
1237 | //\r | |
1238 | Status = CoreAllocateGcdMapEntry (&TopEntry, &BottomEntry);\r | |
1239 | if (EFI_ERROR (Status)) {\r | |
1240 | Status = EFI_OUT_OF_RESOURCES;\r | |
1241 | goto Done;\r | |
1242 | }\r | |
d2fbaaab | 1243 | ASSERT (TopEntry != NULL && BottomEntry != NULL);\r |
28a00297 | 1244 | \r |
1245 | //\r | |
1246 | // Convert/Insert the list of descriptors from StartLink to EndLink\r | |
1247 | //\r | |
1248 | Link = StartLink;\r | |
1249 | while (Link != EndLink->ForwardLink) {\r | |
1250 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1251 | CoreInsertGcdMapEntry (Link, Entry, *BaseAddress, Length, TopEntry, BottomEntry);\r | |
1252 | Entry->ImageHandle = ImageHandle;\r | |
1253 | Entry->DeviceHandle = DeviceHandle;\r | |
1254 | Link = Link->ForwardLink;\r | |
1255 | }\r | |
1256 | \r | |
1257 | //\r | |
1258 | // Cleanup\r | |
1259 | //\r | |
1260 | Status = CoreCleanupGcdMapEntry (TopEntry, BottomEntry, StartLink, EndLink, Map);\r | |
1261 | \r | |
1262 | Done:\r | |
aa927cae | 1263 | DEBUG ((DEBUG_GCD, " Status = %r", Status));\r |
1264 | if (!EFI_ERROR (Status)) {\r | |
1265 | DEBUG ((DEBUG_GCD, " (BaseAddress = %016lx)", *BaseAddress));\r | |
1266 | }\r | |
1267 | DEBUG ((DEBUG_GCD, "\n"));\r | |
f9d1f97c | 1268 | \r |
71f68914 | 1269 | if ((Operation & GCD_MEMORY_SPACE_OPERATION) != 0) {\r |
28a00297 | 1270 | CoreReleaseGcdMemoryLock ();\r |
aa927cae | 1271 | CoreDumpGcdMemorySpaceMap (FALSE);\r |
28a00297 | 1272 | }\r |
71f68914 | 1273 | if ((Operation & GCD_IO_SPACE_OPERATION) !=0) {\r |
28a00297 | 1274 | CoreReleaseGcdIoLock ();\r |
aa927cae | 1275 | CoreDumpGcdIoSpaceMap (FALSE);\r |
28a00297 | 1276 | }\r |
aa927cae | 1277 | \r |
28a00297 | 1278 | return Status;\r |
1279 | }\r | |
1280 | \r | |
28a00297 | 1281 | \r |
162ed594 | 1282 | /**\r |
28a00297 | 1283 | Add a segment of memory to GCD map.\r |
1284 | \r | |
022c6d45 | 1285 | @param GcdMemoryType Memory type of the segment.\r |
1286 | @param BaseAddress Base address of the segment.\r | |
1287 | @param Length Length of the segment.\r | |
1288 | @param Capabilities alterable attributes of the segment.\r | |
28a00297 | 1289 | \r |
022c6d45 | 1290 | @retval EFI_INVALID_PARAMETER Invalid parameters.\r |
162ed594 | 1291 | @retval EFI_SUCCESS Successfully add a segment of memory space.\r |
28a00297 | 1292 | \r |
162ed594 | 1293 | **/\r |
162ed594 | 1294 | EFI_STATUS\r |
1295 | CoreInternalAddMemorySpace (\r | |
1296 | IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
1297 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1298 | IN UINT64 Length,\r | |
1299 | IN UINT64 Capabilities\r | |
1300 | )\r | |
28a00297 | 1301 | {\r |
f9d1f97c | 1302 | DEBUG ((DEBUG_GCD, "GCD:AddMemorySpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1303 | DEBUG ((DEBUG_GCD, " GcdMemoryType = %a\n", mGcdMemoryTypeNames[MIN (GcdMemoryType, EfiGcdMemoryTypeMaximum)]));\r | |
1304 | DEBUG ((DEBUG_GCD, " Capabilities = %016lx\n", Capabilities));\r | |
1305 | \r | |
28a00297 | 1306 | //\r |
1307 | // Make sure parameters are valid\r | |
1308 | //\r | |
1309 | if (GcdMemoryType <= EfiGcdMemoryTypeNonExistent || GcdMemoryType >= EfiGcdMemoryTypeMaximum) {\r | |
1310 | return EFI_INVALID_PARAMETER;\r | |
1311 | }\r | |
1312 | \r | |
1313 | return CoreConvertSpace (GCD_ADD_MEMORY_OPERATION, GcdMemoryType, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, Capabilities, 0);\r | |
1314 | }\r | |
1315 | \r | |
1316 | //\r | |
1317 | // GCD Core Services\r | |
1318 | //\r | |
162ed594 | 1319 | \r |
1320 | /**\r | |
1321 | Allocates nonexistent memory, reserved memory, system memory, or memorymapped\r | |
1322 | I/O resources from the global coherency domain of the processor.\r | |
1323 | \r | |
022c6d45 | 1324 | @param GcdAllocateType The type of allocate operation\r |
1325 | @param GcdMemoryType The desired memory type\r | |
1326 | @param Alignment Align with 2^Alignment\r | |
1327 | @param Length Length to allocate\r | |
1328 | @param BaseAddress Base address to allocate\r | |
1329 | @param ImageHandle The image handle consume the allocated space.\r | |
1330 | @param DeviceHandle The device handle consume the allocated space.\r | |
162ed594 | 1331 | \r |
022c6d45 | 1332 | @retval EFI_INVALID_PARAMETER Invalid parameter.\r |
1333 | @retval EFI_NOT_FOUND No descriptor contains the desired space.\r | |
162ed594 | 1334 | @retval EFI_SUCCESS Memory space successfully allocated.\r |
1335 | \r | |
1336 | **/\r | |
28a00297 | 1337 | EFI_STATUS\r |
3b6ffb6a | 1338 | EFIAPI\r |
28a00297 | 1339 | CoreAllocateMemorySpace (\r |
1340 | IN EFI_GCD_ALLOCATE_TYPE GcdAllocateType,\r | |
1341 | IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
1342 | IN UINTN Alignment,\r | |
1343 | IN UINT64 Length,\r | |
1344 | IN OUT EFI_PHYSICAL_ADDRESS *BaseAddress,\r | |
1345 | IN EFI_HANDLE ImageHandle,\r | |
1346 | IN EFI_HANDLE DeviceHandle OPTIONAL\r | |
1347 | )\r | |
28a00297 | 1348 | {\r |
7328295c MK |
1349 | if (BaseAddress != NULL) {\r |
1350 | DEBUG ((DEBUG_GCD, "GCD:AllocateMemorySpace(Base=%016lx,Length=%016lx)\n", *BaseAddress, Length));\r | |
1351 | } else {\r | |
1352 | DEBUG ((DEBUG_GCD, "GCD:AllocateMemorySpace(Base=<NULL>,Length=%016lx)\n", Length));\r | |
1353 | }\r | |
f9d1f97c | 1354 | DEBUG ((DEBUG_GCD, " GcdAllocateType = %a\n", mGcdAllocationTypeNames[MIN (GcdAllocateType, EfiGcdMaxAllocateType)]));\r |
1355 | DEBUG ((DEBUG_GCD, " GcdMemoryType = %a\n", mGcdMemoryTypeNames[MIN (GcdMemoryType, EfiGcdMemoryTypeMaximum)]));\r | |
1356 | DEBUG ((DEBUG_GCD, " Alignment = %016lx\n", LShiftU64 (1, Alignment)));\r | |
1357 | DEBUG ((DEBUG_GCD, " ImageHandle = %p\n", ImageHandle));\r | |
1358 | DEBUG ((DEBUG_GCD, " DeviceHandle = %p\n", DeviceHandle));\r | |
1359 | \r | |
28a00297 | 1360 | return CoreAllocateSpace (\r |
022c6d45 | 1361 | GCD_ALLOCATE_MEMORY_OPERATION,\r |
1362 | GcdAllocateType,\r | |
1363 | GcdMemoryType,\r | |
1364 | (EFI_GCD_IO_TYPE) 0,\r | |
1365 | Alignment,\r | |
1366 | Length,\r | |
1367 | BaseAddress,\r | |
1368 | ImageHandle,\r | |
28a00297 | 1369 | DeviceHandle\r |
1370 | );\r | |
1371 | }\r | |
1372 | \r | |
162ed594 | 1373 | \r |
1374 | /**\r | |
1375 | Adds reserved memory, system memory, or memory-mapped I/O resources to the\r | |
1376 | global coherency domain of the processor.\r | |
1377 | \r | |
022c6d45 | 1378 | @param GcdMemoryType Memory type of the memory space.\r |
1379 | @param BaseAddress Base address of the memory space.\r | |
1380 | @param Length Length of the memory space.\r | |
1381 | @param Capabilities alterable attributes of the memory space.\r | |
162ed594 | 1382 | \r |
1383 | @retval EFI_SUCCESS Merged this memory space into GCD map.\r | |
1384 | \r | |
1385 | **/\r | |
28a00297 | 1386 | EFI_STATUS\r |
3b6ffb6a | 1387 | EFIAPI\r |
28a00297 | 1388 | CoreAddMemorySpace (\r |
1389 | IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
1390 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1391 | IN UINT64 Length,\r | |
1392 | IN UINT64 Capabilities\r | |
1393 | )\r | |
28a00297 | 1394 | {\r |
1395 | EFI_STATUS Status;\r | |
1396 | EFI_PHYSICAL_ADDRESS PageBaseAddress;\r | |
1397 | UINT64 PageLength;\r | |
1398 | \r | |
1399 | Status = CoreInternalAddMemorySpace (GcdMemoryType, BaseAddress, Length, Capabilities);\r | |
1400 | \r | |
74705ca5 | 1401 | if (!EFI_ERROR (Status) && ((GcdMemoryType == EfiGcdMemoryTypeSystemMemory) || (GcdMemoryType == EfiGcdMemoryTypeMoreReliable))) {\r |
28a00297 | 1402 | \r |
74705ca5 | 1403 | PageBaseAddress = PageAlignAddress (BaseAddress);\r |
28a00297 | 1404 | PageLength = PageAlignLength (BaseAddress + Length - PageBaseAddress);\r |
1405 | \r | |
1406 | Status = CoreAllocateMemorySpace (\r | |
1407 | EfiGcdAllocateAddress,\r | |
1408 | GcdMemoryType,\r | |
022c6d45 | 1409 | EFI_PAGE_SHIFT,\r |
28a00297 | 1410 | PageLength,\r |
1411 | &PageBaseAddress,\r | |
1412 | gDxeCoreImageHandle,\r | |
1413 | NULL\r | |
1414 | );\r | |
1415 | \r | |
1416 | if (!EFI_ERROR (Status)) {\r | |
1417 | CoreAddMemoryDescriptor (\r | |
1418 | EfiConventionalMemory,\r | |
1419 | PageBaseAddress,\r | |
1420 | RShiftU64 (PageLength, EFI_PAGE_SHIFT),\r | |
1421 | Capabilities\r | |
1422 | );\r | |
1423 | } else {\r | |
1424 | for (; PageLength != 0; PageLength -= EFI_PAGE_SIZE, PageBaseAddress += EFI_PAGE_SIZE) {\r | |
1425 | Status = CoreAllocateMemorySpace (\r | |
1426 | EfiGcdAllocateAddress,\r | |
1427 | GcdMemoryType,\r | |
022c6d45 | 1428 | EFI_PAGE_SHIFT,\r |
28a00297 | 1429 | EFI_PAGE_SIZE,\r |
1430 | &PageBaseAddress,\r | |
1431 | gDxeCoreImageHandle,\r | |
1432 | NULL\r | |
1433 | );\r | |
1434 | \r | |
1435 | if (!EFI_ERROR (Status)) {\r | |
1436 | CoreAddMemoryDescriptor (\r | |
1437 | EfiConventionalMemory,\r | |
1438 | PageBaseAddress,\r | |
1439 | 1,\r | |
1440 | Capabilities\r | |
1441 | );\r | |
1442 | }\r | |
1443 | }\r | |
1444 | }\r | |
1445 | }\r | |
1446 | return Status;\r | |
1447 | }\r | |
1448 | \r | |
28a00297 | 1449 | \r |
162ed594 | 1450 | /**\r |
28a00297 | 1451 | Frees nonexistent memory, reserved memory, system memory, or memory-mapped\r |
162ed594 | 1452 | I/O resources from the global coherency domain of the processor.\r |
28a00297 | 1453 | \r |
022c6d45 | 1454 | @param BaseAddress Base address of the memory space.\r |
1455 | @param Length Length of the memory space.\r | |
28a00297 | 1456 | \r |
162ed594 | 1457 | @retval EFI_SUCCESS Space successfully freed.\r |
28a00297 | 1458 | \r |
162ed594 | 1459 | **/\r |
28a00297 | 1460 | EFI_STATUS\r |
3b6ffb6a | 1461 | EFIAPI\r |
162ed594 | 1462 | CoreFreeMemorySpace (\r |
28a00297 | 1463 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r |
1464 | IN UINT64 Length\r | |
1465 | )\r | |
162ed594 | 1466 | {\r |
f9d1f97c | 1467 | DEBUG ((DEBUG_GCD, "GCD:FreeMemorySpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1468 | \r | |
162ed594 | 1469 | return CoreConvertSpace (GCD_FREE_MEMORY_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, 0, 0);\r |
1470 | }\r | |
28a00297 | 1471 | \r |
28a00297 | 1472 | \r |
162ed594 | 1473 | /**\r |
28a00297 | 1474 | Removes reserved memory, system memory, or memory-mapped I/O resources from\r |
162ed594 | 1475 | the global coherency domain of the processor.\r |
28a00297 | 1476 | \r |
022c6d45 | 1477 | @param BaseAddress Base address of the memory space.\r |
1478 | @param Length Length of the memory space.\r | |
28a00297 | 1479 | \r |
162ed594 | 1480 | @retval EFI_SUCCESS Successfully remove a segment of memory space.\r |
28a00297 | 1481 | \r |
162ed594 | 1482 | **/\r |
1483 | EFI_STATUS\r | |
3b6ffb6a | 1484 | EFIAPI\r |
162ed594 | 1485 | CoreRemoveMemorySpace (\r |
1486 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1487 | IN UINT64 Length\r | |
1488 | )\r | |
28a00297 | 1489 | {\r |
f9d1f97c | 1490 | DEBUG ((DEBUG_GCD, "GCD:RemoveMemorySpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1491 | \r | |
28a00297 | 1492 | return CoreConvertSpace (GCD_REMOVE_MEMORY_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, 0, 0);\r |
1493 | }\r | |
1494 | \r | |
162ed594 | 1495 | \r |
1496 | /**\r | |
1497 | Build a memory descriptor according to an entry.\r | |
1498 | \r | |
022c6d45 | 1499 | @param Descriptor The descriptor to be built\r |
162ed594 | 1500 | @param Entry According to this entry\r |
1501 | \r | |
1502 | **/\r | |
28a00297 | 1503 | VOID\r |
1504 | BuildMemoryDescriptor (\r | |
1505 | IN OUT EFI_GCD_MEMORY_SPACE_DESCRIPTOR *Descriptor,\r | |
1506 | IN EFI_GCD_MAP_ENTRY *Entry\r | |
1507 | )\r | |
28a00297 | 1508 | {\r |
1509 | Descriptor->BaseAddress = Entry->BaseAddress;\r | |
1510 | Descriptor->Length = Entry->EndAddress - Entry->BaseAddress + 1;\r | |
1511 | Descriptor->Capabilities = Entry->Capabilities;\r | |
1512 | Descriptor->Attributes = Entry->Attributes;\r | |
1513 | Descriptor->GcdMemoryType = Entry->GcdMemoryType;\r | |
1514 | Descriptor->ImageHandle = Entry->ImageHandle;\r | |
1515 | Descriptor->DeviceHandle = Entry->DeviceHandle;\r | |
1516 | }\r | |
1517 | \r | |
28a00297 | 1518 | \r |
162ed594 | 1519 | /**\r |
28a00297 | 1520 | Retrieves the descriptor for a memory region containing a specified address.\r |
1521 | \r | |
022c6d45 | 1522 | @param BaseAddress Specified start address\r |
1523 | @param Descriptor Specified length\r | |
28a00297 | 1524 | \r |
022c6d45 | 1525 | @retval EFI_INVALID_PARAMETER Invalid parameter\r |
162ed594 | 1526 | @retval EFI_SUCCESS Successfully get memory space descriptor.\r |
28a00297 | 1527 | \r |
162ed594 | 1528 | **/\r |
1529 | EFI_STATUS\r | |
3b6ffb6a | 1530 | EFIAPI\r |
162ed594 | 1531 | CoreGetMemorySpaceDescriptor (\r |
1532 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1533 | OUT EFI_GCD_MEMORY_SPACE_DESCRIPTOR *Descriptor\r | |
1534 | )\r | |
28a00297 | 1535 | {\r |
1536 | EFI_STATUS Status;\r | |
1537 | LIST_ENTRY *StartLink;\r | |
1538 | LIST_ENTRY *EndLink;\r | |
1539 | EFI_GCD_MAP_ENTRY *Entry;\r | |
1540 | \r | |
1541 | //\r | |
1542 | // Make sure parameters are valid\r | |
1543 | //\r | |
1544 | if (Descriptor == NULL) {\r | |
1545 | return EFI_INVALID_PARAMETER;\r | |
1546 | }\r | |
1547 | \r | |
1548 | CoreAcquireGcdMemoryLock ();\r | |
1549 | \r | |
1550 | //\r | |
022c6d45 | 1551 | // Search for the list of descriptors that contain BaseAddress\r |
28a00297 | 1552 | //\r |
1553 | Status = CoreSearchGcdMapEntry (BaseAddress, 1, &StartLink, &EndLink, &mGcdMemorySpaceMap);\r | |
1554 | if (EFI_ERROR (Status)) {\r | |
1555 | Status = EFI_NOT_FOUND;\r | |
1556 | } else {\r | |
d2fbaaab | 1557 | ASSERT (StartLink != NULL && EndLink != NULL);\r |
28a00297 | 1558 | //\r |
1559 | // Copy the contents of the found descriptor into Descriptor\r | |
1560 | //\r | |
1561 | Entry = CR (StartLink, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1562 | BuildMemoryDescriptor (Descriptor, Entry);\r | |
1563 | }\r | |
1564 | \r | |
1565 | CoreReleaseGcdMemoryLock ();\r | |
1566 | \r | |
1567 | return Status;\r | |
1568 | }\r | |
1569 | \r | |
162ed594 | 1570 | \r |
1571 | /**\r | |
1572 | Modifies the attributes for a memory region in the global coherency domain of the\r | |
1573 | processor.\r | |
1574 | \r | |
022c6d45 | 1575 | @param BaseAddress Specified start address\r |
1576 | @param Length Specified length\r | |
1577 | @param Attributes Specified attributes\r | |
162ed594 | 1578 | \r |
fc8ff20f | 1579 | @retval EFI_SUCCESS The attributes were set for the memory region.\r |
1580 | @retval EFI_INVALID_PARAMETER Length is zero. \r | |
1581 | @retval EFI_UNSUPPORTED The processor does not support one or more bytes of the memory\r | |
1582 | resource range specified by BaseAddress and Length.\r | |
1583 | @retval EFI_UNSUPPORTED The bit mask of attributes is not support for the memory resource\r | |
1584 | range specified by BaseAddress and Length.\r | |
1585 | @retval EFI_ACCESS_DEFINED The attributes for the memory resource range specified by\r | |
1586 | BaseAddress and Length cannot be modified.\r | |
1587 | @retval EFI_OUT_OF_RESOURCES There are not enough system resources to modify the attributes of\r | |
1588 | the memory resource range.\r | |
1589 | @retval EFI_NOT_AVAILABLE_YET The attributes cannot be set because CPU architectural protocol is\r | |
1590 | not available yet.\r | |
162ed594 | 1591 | \r |
1592 | **/\r | |
28a00297 | 1593 | EFI_STATUS\r |
3b6ffb6a | 1594 | EFIAPI\r |
28a00297 | 1595 | CoreSetMemorySpaceAttributes (\r |
1596 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1597 | IN UINT64 Length,\r | |
1598 | IN UINT64 Attributes\r | |
1599 | )\r | |
162ed594 | 1600 | {\r |
f9d1f97c | 1601 | DEBUG ((DEBUG_GCD, "GCD:SetMemorySpaceAttributes(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1602 | DEBUG ((DEBUG_GCD, " Attributes = %016lx\n", Attributes));\r | |
1603 | \r | |
162ed594 | 1604 | return CoreConvertSpace (GCD_SET_ATTRIBUTES_MEMORY_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, 0, Attributes);\r |
1605 | }\r | |
28a00297 | 1606 | \r |
28a00297 | 1607 | \r |
771ee501 EC |
1608 | /**\r |
1609 | Modifies the capabilities for a memory region in the global coherency domain of the\r | |
1610 | processor.\r | |
1611 | \r | |
1612 | @param BaseAddress The physical address that is the start address of a memory region.\r | |
1613 | @param Length The size in bytes of the memory region.\r | |
1614 | @param Capabilities The bit mask of capabilities that the memory region supports.\r | |
1615 | \r | |
1616 | @retval EFI_SUCCESS The capabilities were set for the memory region.\r | |
1617 | @retval EFI_INVALID_PARAMETER Length is zero.\r | |
1618 | @retval EFI_UNSUPPORTED The capabilities specified by Capabilities do not include the\r | |
1619 | memory region attributes currently in use.\r | |
1620 | @retval EFI_ACCESS_DENIED The capabilities for the memory resource range specified by\r | |
1621 | BaseAddress and Length cannot be modified.\r | |
1622 | @retval EFI_OUT_OF_RESOURCES There are not enough system resources to modify the capabilities\r | |
1623 | of the memory resource range.\r | |
1624 | **/\r | |
1625 | EFI_STATUS\r | |
1626 | EFIAPI\r | |
1627 | CoreSetMemorySpaceCapabilities (\r | |
1628 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1629 | IN UINT64 Length,\r | |
1630 | IN UINT64 Capabilities\r | |
1631 | )\r | |
1632 | {\r | |
736a692e HT |
1633 | EFI_STATUS Status;\r |
1634 | \r | |
771ee501 | 1635 | DEBUG ((DEBUG_GCD, "GCD:CoreSetMemorySpaceCapabilities(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
736a692e HT |
1636 | DEBUG ((DEBUG_GCD, " Capabilities = %016lx\n", Capabilities));\r |
1637 | \r | |
1638 | Status = CoreConvertSpace (GCD_SET_CAPABILITIES_MEMORY_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, Capabilities, 0);\r | |
771ee501 | 1639 | if (!EFI_ERROR(Status)) {\r |
32fd9c41 | 1640 | CoreUpdateMemoryAttributes(BaseAddress, RShiftU64(Length, EFI_PAGE_SHIFT), Capabilities & (~EFI_MEMORY_RUNTIME));\r |
736a692e HT |
1641 | }\r |
1642 | \r | |
771ee501 EC |
1643 | return Status;\r |
1644 | }\r | |
1645 | \r | |
1646 | \r | |
162ed594 | 1647 | /**\r |
1648 | Returns a map of the memory resources in the global coherency domain of the\r | |
1649 | processor.\r | |
28a00297 | 1650 | \r |
022c6d45 | 1651 | @param NumberOfDescriptors Number of descriptors.\r |
1652 | @param MemorySpaceMap Descriptor array\r | |
28a00297 | 1653 | \r |
022c6d45 | 1654 | @retval EFI_INVALID_PARAMETER Invalid parameter\r |
1655 | @retval EFI_OUT_OF_RESOURCES No enough buffer to allocate\r | |
162ed594 | 1656 | @retval EFI_SUCCESS Successfully get memory space map.\r |
28a00297 | 1657 | \r |
162ed594 | 1658 | **/\r |
28a00297 | 1659 | EFI_STATUS\r |
3b6ffb6a | 1660 | EFIAPI\r |
28a00297 | 1661 | CoreGetMemorySpaceMap (\r |
1662 | OUT UINTN *NumberOfDescriptors,\r | |
1663 | OUT EFI_GCD_MEMORY_SPACE_DESCRIPTOR **MemorySpaceMap\r | |
1664 | )\r | |
28a00297 | 1665 | {\r |
1666 | EFI_STATUS Status;\r | |
1667 | LIST_ENTRY *Link;\r | |
1668 | EFI_GCD_MAP_ENTRY *Entry;\r | |
1669 | EFI_GCD_MEMORY_SPACE_DESCRIPTOR *Descriptor;\r | |
1670 | \r | |
1671 | //\r | |
1672 | // Make sure parameters are valid\r | |
1673 | //\r | |
1674 | if (NumberOfDescriptors == NULL) {\r | |
1675 | return EFI_INVALID_PARAMETER;\r | |
1676 | }\r | |
1677 | if (MemorySpaceMap == NULL) {\r | |
1678 | return EFI_INVALID_PARAMETER;\r | |
1679 | }\r | |
1680 | \r | |
1681 | CoreAcquireGcdMemoryLock ();\r | |
1682 | \r | |
1683 | //\r | |
1684 | // Count the number of descriptors\r | |
1685 | //\r | |
1686 | *NumberOfDescriptors = CoreCountGcdMapEntry (&mGcdMemorySpaceMap);\r | |
1687 | \r | |
1688 | //\r | |
1689 | // Allocate the MemorySpaceMap\r | |
1690 | //\r | |
9c4ac31c | 1691 | *MemorySpaceMap = AllocatePool (*NumberOfDescriptors * sizeof (EFI_GCD_MEMORY_SPACE_DESCRIPTOR));\r |
28a00297 | 1692 | if (*MemorySpaceMap == NULL) {\r |
1693 | Status = EFI_OUT_OF_RESOURCES;\r | |
1694 | goto Done;\r | |
1695 | }\r | |
1696 | \r | |
1697 | //\r | |
1698 | // Fill in the MemorySpaceMap\r | |
1699 | //\r | |
1700 | Descriptor = *MemorySpaceMap;\r | |
1701 | Link = mGcdMemorySpaceMap.ForwardLink;\r | |
1702 | while (Link != &mGcdMemorySpaceMap) {\r | |
1703 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1704 | BuildMemoryDescriptor (Descriptor, Entry);\r | |
1705 | Descriptor++;\r | |
1706 | Link = Link->ForwardLink;\r | |
1707 | }\r | |
1708 | Status = EFI_SUCCESS;\r | |
1709 | \r | |
1710 | Done:\r | |
1711 | CoreReleaseGcdMemoryLock ();\r | |
1712 | return Status;\r | |
1713 | }\r | |
1714 | \r | |
162ed594 | 1715 | \r |
1716 | /**\r | |
1717 | Adds reserved I/O or I/O resources to the global coherency domain of the processor.\r | |
1718 | \r | |
022c6d45 | 1719 | @param GcdIoType IO type of the segment.\r |
1720 | @param BaseAddress Base address of the segment.\r | |
1721 | @param Length Length of the segment.\r | |
162ed594 | 1722 | \r |
022c6d45 | 1723 | @retval EFI_SUCCESS Merged this segment into GCD map.\r |
162ed594 | 1724 | @retval EFI_INVALID_PARAMETER Parameter not valid\r |
1725 | \r | |
1726 | **/\r | |
28a00297 | 1727 | EFI_STATUS\r |
3b6ffb6a | 1728 | EFIAPI\r |
28a00297 | 1729 | CoreAddIoSpace (\r |
1730 | IN EFI_GCD_IO_TYPE GcdIoType,\r | |
1731 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1732 | IN UINT64 Length\r | |
1733 | )\r | |
28a00297 | 1734 | {\r |
f9d1f97c | 1735 | DEBUG ((DEBUG_GCD, "GCD:AddIoSpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1736 | DEBUG ((DEBUG_GCD, " GcdIoType = %a\n", mGcdIoTypeNames[MIN (GcdIoType, EfiGcdIoTypeMaximum)]));\r | |
1737 | \r | |
28a00297 | 1738 | //\r |
1739 | // Make sure parameters are valid\r | |
1740 | //\r | |
1741 | if (GcdIoType <= EfiGcdIoTypeNonExistent || GcdIoType >= EfiGcdIoTypeMaximum) {\r | |
1742 | return EFI_INVALID_PARAMETER;\r | |
1743 | }\r | |
1744 | return CoreConvertSpace (GCD_ADD_IO_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, GcdIoType, BaseAddress, Length, 0, 0);\r | |
1745 | }\r | |
1746 | \r | |
162ed594 | 1747 | \r |
1748 | /**\r | |
1749 | Allocates nonexistent I/O, reserved I/O, or I/O resources from the global coherency\r | |
1750 | domain of the processor.\r | |
1751 | \r | |
022c6d45 | 1752 | @param GcdAllocateType The type of allocate operation\r |
1753 | @param GcdIoType The desired IO type\r | |
1754 | @param Alignment Align with 2^Alignment\r | |
1755 | @param Length Length to allocate\r | |
1756 | @param BaseAddress Base address to allocate\r | |
1757 | @param ImageHandle The image handle consume the allocated space.\r | |
1758 | @param DeviceHandle The device handle consume the allocated space.\r | |
162ed594 | 1759 | \r |
022c6d45 | 1760 | @retval EFI_INVALID_PARAMETER Invalid parameter.\r |
1761 | @retval EFI_NOT_FOUND No descriptor contains the desired space.\r | |
162ed594 | 1762 | @retval EFI_SUCCESS IO space successfully allocated.\r |
1763 | \r | |
1764 | **/\r | |
28a00297 | 1765 | EFI_STATUS\r |
3b6ffb6a | 1766 | EFIAPI\r |
28a00297 | 1767 | CoreAllocateIoSpace (\r |
1768 | IN EFI_GCD_ALLOCATE_TYPE GcdAllocateType,\r | |
1769 | IN EFI_GCD_IO_TYPE GcdIoType,\r | |
1770 | IN UINTN Alignment,\r | |
1771 | IN UINT64 Length,\r | |
1772 | IN OUT EFI_PHYSICAL_ADDRESS *BaseAddress,\r | |
1773 | IN EFI_HANDLE ImageHandle,\r | |
1774 | IN EFI_HANDLE DeviceHandle OPTIONAL\r | |
1775 | )\r | |
28a00297 | 1776 | {\r |
7328295c MK |
1777 | if (BaseAddress != NULL) {\r |
1778 | DEBUG ((DEBUG_GCD, "GCD:AllocateIoSpace(Base=%016lx,Length=%016lx)\n", *BaseAddress, Length));\r | |
1779 | } else {\r | |
1780 | DEBUG ((DEBUG_GCD, "GCD:AllocateIoSpace(Base=<NULL>,Length=%016lx)\n", Length));\r | |
1781 | }\r | |
f9d1f97c | 1782 | DEBUG ((DEBUG_GCD, " GcdAllocateType = %a\n", mGcdAllocationTypeNames[MIN (GcdAllocateType, EfiGcdMaxAllocateType)]));\r |
5d1cf216 | 1783 | DEBUG ((DEBUG_GCD, " GcdIoType = %a\n", mGcdIoTypeNames[MIN (GcdIoType, EfiGcdIoTypeMaximum)]));\r |
f9d1f97c | 1784 | DEBUG ((DEBUG_GCD, " Alignment = %016lx\n", LShiftU64 (1, Alignment)));\r |
1785 | DEBUG ((DEBUG_GCD, " ImageHandle = %p\n", ImageHandle));\r | |
1786 | DEBUG ((DEBUG_GCD, " DeviceHandle = %p\n", DeviceHandle));\r | |
1787 | \r | |
28a00297 | 1788 | return CoreAllocateSpace (\r |
022c6d45 | 1789 | GCD_ALLOCATE_IO_OPERATION,\r |
1790 | GcdAllocateType,\r | |
1791 | (EFI_GCD_MEMORY_TYPE) 0,\r | |
1792 | GcdIoType,\r | |
1793 | Alignment,\r | |
1794 | Length,\r | |
1795 | BaseAddress,\r | |
1796 | ImageHandle,\r | |
28a00297 | 1797 | DeviceHandle\r |
1798 | );\r | |
1799 | }\r | |
1800 | \r | |
28a00297 | 1801 | \r |
162ed594 | 1802 | /**\r |
28a00297 | 1803 | Frees nonexistent I/O, reserved I/O, or I/O resources from the global coherency\r |
162ed594 | 1804 | domain of the processor.\r |
28a00297 | 1805 | \r |
022c6d45 | 1806 | @param BaseAddress Base address of the segment.\r |
1807 | @param Length Length of the segment.\r | |
28a00297 | 1808 | \r |
162ed594 | 1809 | @retval EFI_SUCCESS Space successfully freed.\r |
28a00297 | 1810 | \r |
162ed594 | 1811 | **/\r |
28a00297 | 1812 | EFI_STATUS\r |
3b6ffb6a | 1813 | EFIAPI\r |
162ed594 | 1814 | CoreFreeIoSpace (\r |
28a00297 | 1815 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r |
1816 | IN UINT64 Length\r | |
1817 | )\r | |
162ed594 | 1818 | {\r |
f9d1f97c | 1819 | DEBUG ((DEBUG_GCD, "GCD:FreeIoSpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1820 | \r | |
162ed594 | 1821 | return CoreConvertSpace (GCD_FREE_IO_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, 0, 0);\r |
1822 | }\r | |
28a00297 | 1823 | \r |
28a00297 | 1824 | \r |
162ed594 | 1825 | /**\r |
28a00297 | 1826 | Removes reserved I/O or I/O resources from the global coherency domain of the\r |
162ed594 | 1827 | processor.\r |
28a00297 | 1828 | \r |
022c6d45 | 1829 | @param BaseAddress Base address of the segment.\r |
1830 | @param Length Length of the segment.\r | |
28a00297 | 1831 | \r |
162ed594 | 1832 | @retval EFI_SUCCESS Successfully removed a segment of IO space.\r |
28a00297 | 1833 | \r |
162ed594 | 1834 | **/\r |
1835 | EFI_STATUS\r | |
3b6ffb6a | 1836 | EFIAPI\r |
162ed594 | 1837 | CoreRemoveIoSpace (\r |
1838 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1839 | IN UINT64 Length\r | |
1840 | )\r | |
28a00297 | 1841 | {\r |
f9d1f97c | 1842 | DEBUG ((DEBUG_GCD, "GCD:RemoveIoSpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1843 | \r | |
28a00297 | 1844 | return CoreConvertSpace (GCD_REMOVE_IO_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, 0, 0);\r |
1845 | }\r | |
1846 | \r | |
162ed594 | 1847 | \r |
1848 | /**\r | |
1849 | Build a IO descriptor according to an entry.\r | |
1850 | \r | |
022c6d45 | 1851 | @param Descriptor The descriptor to be built\r |
162ed594 | 1852 | @param Entry According to this entry\r |
1853 | \r | |
1854 | **/\r | |
28a00297 | 1855 | VOID\r |
1856 | BuildIoDescriptor (\r | |
1857 | IN EFI_GCD_IO_SPACE_DESCRIPTOR *Descriptor,\r | |
1858 | IN EFI_GCD_MAP_ENTRY *Entry\r | |
1859 | )\r | |
28a00297 | 1860 | {\r |
1861 | Descriptor->BaseAddress = Entry->BaseAddress;\r | |
1862 | Descriptor->Length = Entry->EndAddress - Entry->BaseAddress + 1;\r | |
1863 | Descriptor->GcdIoType = Entry->GcdIoType;\r | |
1864 | Descriptor->ImageHandle = Entry->ImageHandle;\r | |
1865 | Descriptor->DeviceHandle = Entry->DeviceHandle;\r | |
1866 | }\r | |
1867 | \r | |
28a00297 | 1868 | \r |
162ed594 | 1869 | /**\r |
28a00297 | 1870 | Retrieves the descriptor for an I/O region containing a specified address.\r |
1871 | \r | |
022c6d45 | 1872 | @param BaseAddress Specified start address\r |
1873 | @param Descriptor Specified length\r | |
28a00297 | 1874 | \r |
022c6d45 | 1875 | @retval EFI_INVALID_PARAMETER Descriptor is NULL.\r |
162ed594 | 1876 | @retval EFI_SUCCESS Successfully get the IO space descriptor.\r |
28a00297 | 1877 | \r |
162ed594 | 1878 | **/\r |
1879 | EFI_STATUS\r | |
3b6ffb6a | 1880 | EFIAPI\r |
162ed594 | 1881 | CoreGetIoSpaceDescriptor (\r |
1882 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1883 | OUT EFI_GCD_IO_SPACE_DESCRIPTOR *Descriptor\r | |
1884 | )\r | |
28a00297 | 1885 | {\r |
1886 | EFI_STATUS Status;\r | |
1887 | LIST_ENTRY *StartLink;\r | |
1888 | LIST_ENTRY *EndLink;\r | |
1889 | EFI_GCD_MAP_ENTRY *Entry;\r | |
1890 | \r | |
1891 | //\r | |
1892 | // Make sure parameters are valid\r | |
1893 | //\r | |
1894 | if (Descriptor == NULL) {\r | |
1895 | return EFI_INVALID_PARAMETER;\r | |
1896 | }\r | |
1897 | \r | |
1898 | CoreAcquireGcdIoLock ();\r | |
1899 | \r | |
1900 | //\r | |
022c6d45 | 1901 | // Search for the list of descriptors that contain BaseAddress\r |
28a00297 | 1902 | //\r |
1903 | Status = CoreSearchGcdMapEntry (BaseAddress, 1, &StartLink, &EndLink, &mGcdIoSpaceMap);\r | |
1904 | if (EFI_ERROR (Status)) {\r | |
1905 | Status = EFI_NOT_FOUND;\r | |
1906 | } else {\r | |
d2fbaaab | 1907 | ASSERT (StartLink != NULL && EndLink != NULL);\r |
28a00297 | 1908 | //\r |
1909 | // Copy the contents of the found descriptor into Descriptor\r | |
1910 | //\r | |
1911 | Entry = CR (StartLink, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1912 | BuildIoDescriptor (Descriptor, Entry);\r | |
1913 | }\r | |
1914 | \r | |
1915 | CoreReleaseGcdIoLock ();\r | |
1916 | \r | |
1917 | return Status;\r | |
1918 | }\r | |
1919 | \r | |
28a00297 | 1920 | \r |
162ed594 | 1921 | /**\r |
28a00297 | 1922 | Returns a map of the I/O resources in the global coherency domain of the processor.\r |
1923 | \r | |
022c6d45 | 1924 | @param NumberOfDescriptors Number of descriptors.\r |
1925 | @param IoSpaceMap Descriptor array\r | |
28a00297 | 1926 | \r |
022c6d45 | 1927 | @retval EFI_INVALID_PARAMETER Invalid parameter\r |
1928 | @retval EFI_OUT_OF_RESOURCES No enough buffer to allocate\r | |
162ed594 | 1929 | @retval EFI_SUCCESS Successfully get IO space map.\r |
28a00297 | 1930 | \r |
162ed594 | 1931 | **/\r |
1932 | EFI_STATUS\r | |
3b6ffb6a | 1933 | EFIAPI\r |
162ed594 | 1934 | CoreGetIoSpaceMap (\r |
1935 | OUT UINTN *NumberOfDescriptors,\r | |
1936 | OUT EFI_GCD_IO_SPACE_DESCRIPTOR **IoSpaceMap\r | |
1937 | )\r | |
28a00297 | 1938 | {\r |
1939 | EFI_STATUS Status;\r | |
1940 | LIST_ENTRY *Link;\r | |
1941 | EFI_GCD_MAP_ENTRY *Entry;\r | |
1942 | EFI_GCD_IO_SPACE_DESCRIPTOR *Descriptor;\r | |
1943 | \r | |
1944 | //\r | |
1945 | // Make sure parameters are valid\r | |
1946 | //\r | |
1947 | if (NumberOfDescriptors == NULL) {\r | |
1948 | return EFI_INVALID_PARAMETER;\r | |
1949 | }\r | |
1950 | if (IoSpaceMap == NULL) {\r | |
1951 | return EFI_INVALID_PARAMETER;\r | |
1952 | }\r | |
1953 | \r | |
1954 | CoreAcquireGcdIoLock ();\r | |
1955 | \r | |
1956 | //\r | |
1957 | // Count the number of descriptors\r | |
1958 | //\r | |
1959 | *NumberOfDescriptors = CoreCountGcdMapEntry (&mGcdIoSpaceMap);\r | |
1960 | \r | |
1961 | //\r | |
1962 | // Allocate the IoSpaceMap\r | |
1963 | //\r | |
9c4ac31c | 1964 | *IoSpaceMap = AllocatePool (*NumberOfDescriptors * sizeof (EFI_GCD_IO_SPACE_DESCRIPTOR));\r |
28a00297 | 1965 | if (*IoSpaceMap == NULL) {\r |
1966 | Status = EFI_OUT_OF_RESOURCES;\r | |
1967 | goto Done;\r | |
1968 | }\r | |
1969 | \r | |
1970 | //\r | |
1971 | // Fill in the IoSpaceMap\r | |
1972 | //\r | |
1973 | Descriptor = *IoSpaceMap;\r | |
1974 | Link = mGcdIoSpaceMap.ForwardLink;\r | |
1975 | while (Link != &mGcdIoSpaceMap) {\r | |
1976 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1977 | BuildIoDescriptor (Descriptor, Entry);\r | |
1978 | Descriptor++;\r | |
1979 | Link = Link->ForwardLink;\r | |
1980 | }\r | |
1981 | Status = EFI_SUCCESS;\r | |
1982 | \r | |
1983 | Done:\r | |
1984 | CoreReleaseGcdIoLock ();\r | |
1985 | return Status;\r | |
022c6d45 | 1986 | }\r |
28a00297 | 1987 | \r |
aa927cae | 1988 | \r |
162ed594 | 1989 | /**\r |
1990 | Converts a Resource Descriptor HOB attributes mask to an EFI Memory Descriptor\r | |
1991 | capabilities mask\r | |
1992 | \r | |
022c6d45 | 1993 | @param GcdMemoryType Type of resource in the GCD memory map.\r |
1994 | @param Attributes The attribute mask in the Resource Descriptor\r | |
1995 | HOB.\r | |
162ed594 | 1996 | \r |
1997 | @return The capabilities mask for an EFI Memory Descriptor.\r | |
1998 | \r | |
1999 | **/\r | |
28a00297 | 2000 | UINT64\r |
2001 | CoreConvertResourceDescriptorHobAttributesToCapabilities (\r | |
2002 | EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
2003 | UINT64 Attributes\r | |
2004 | )\r | |
28a00297 | 2005 | {\r |
2006 | UINT64 Capabilities;\r | |
2007 | GCD_ATTRIBUTE_CONVERSION_ENTRY *Conversion;\r | |
022c6d45 | 2008 | \r |
28a00297 | 2009 | //\r |
2010 | // Convert the Resource HOB Attributes to an EFI Memory Capabilities mask\r | |
2011 | //\r | |
2012 | for (Capabilities = 0, Conversion = mAttributeConversionTable; Conversion->Attribute != 0; Conversion++) {\r | |
74705ca5 | 2013 | if (Conversion->Memory || ((GcdMemoryType != EfiGcdMemoryTypeSystemMemory) && (GcdMemoryType != EfiGcdMemoryTypeMoreReliable))) {\r |
28a00297 | 2014 | if (Attributes & Conversion->Attribute) {\r |
2015 | Capabilities |= Conversion->Capability;\r | |
2016 | }\r | |
2017 | }\r | |
2018 | }\r | |
022c6d45 | 2019 | \r |
28a00297 | 2020 | return Capabilities;\r |
2021 | }\r | |
2022 | \r | |
3a05b131 SZ |
2023 | /**\r |
2024 | Calculate total memory bin size neeeded.\r | |
2025 | \r | |
2026 | @return The total memory bin size neeeded.\r | |
2027 | \r | |
2028 | **/\r | |
2029 | UINT64\r | |
2030 | CalculateTotalMemoryBinSizeNeeded (\r | |
2031 | VOID\r | |
2032 | )\r | |
2033 | {\r | |
2034 | UINTN Index;\r | |
2035 | UINT64 TotalSize;\r | |
2036 | \r | |
2037 | //\r | |
2038 | // Loop through each memory type in the order specified by the gMemoryTypeInformation[] array\r | |
2039 | //\r | |
2040 | TotalSize = 0;\r | |
2041 | for (Index = 0; gMemoryTypeInformation[Index].Type != EfiMaxMemoryType; Index++) {\r | |
2042 | TotalSize += LShiftU64 (gMemoryTypeInformation[Index].NumberOfPages, EFI_PAGE_SHIFT);\r | |
2043 | }\r | |
2044 | \r | |
2045 | return TotalSize;\r | |
2046 | }\r | |
28a00297 | 2047 | \r |
162ed594 | 2048 | /**\r |
c18f12d3 | 2049 | External function. Initializes memory services based on the memory\r |
2050 | descriptor HOBs. This function is responsible for priming the memory\r | |
2051 | map, so memory allocations and resource allocations can be made.\r | |
2052 | The first part of this function can not depend on any memory services\r | |
2053 | until at least one memory descriptor is provided to the memory services.\r | |
28a00297 | 2054 | \r |
022c6d45 | 2055 | @param HobStart The start address of the HOB.\r |
2056 | @param MemoryBaseAddress Start address of memory region found to init DXE\r | |
2057 | core.\r | |
2058 | @param MemoryLength Length of memory region found to init DXE core.\r | |
28a00297 | 2059 | \r |
162ed594 | 2060 | @retval EFI_SUCCESS Memory services successfully initialized.\r |
28a00297 | 2061 | \r |
162ed594 | 2062 | **/\r |
2063 | EFI_STATUS\r | |
2064 | CoreInitializeMemoryServices (\r | |
2065 | IN VOID **HobStart,\r | |
2066 | OUT EFI_PHYSICAL_ADDRESS *MemoryBaseAddress,\r | |
2067 | OUT UINT64 *MemoryLength\r | |
2068 | )\r | |
28a00297 | 2069 | {\r |
2070 | EFI_PEI_HOB_POINTERS Hob;\r | |
2071 | EFI_MEMORY_TYPE_INFORMATION *EfiMemoryTypeInformation;\r | |
2072 | UINTN DataSize;\r | |
2073 | BOOLEAN Found;\r | |
2074 | EFI_HOB_HANDOFF_INFO_TABLE *PhitHob;\r | |
2075 | EFI_HOB_RESOURCE_DESCRIPTOR *ResourceHob;\r | |
2076 | EFI_HOB_RESOURCE_DESCRIPTOR *PhitResourceHob;\r | |
2077 | EFI_PHYSICAL_ADDRESS BaseAddress;\r | |
2078 | UINT64 Length;\r | |
2079 | UINT64 Attributes;\r | |
2080 | UINT64 Capabilities;\r | |
c4c085a2 | 2081 | EFI_PHYSICAL_ADDRESS TestedMemoryBaseAddress;\r |
2082 | UINT64 TestedMemoryLength;\r | |
28a00297 | 2083 | EFI_PHYSICAL_ADDRESS HighAddress;\r |
28a00297 | 2084 | EFI_HOB_GUID_TYPE *GuidHob;\r |
3a05b131 SZ |
2085 | UINT32 ReservedCodePageNumber;\r |
2086 | UINT64 MinimalMemorySizeNeeded;\r | |
28a00297 | 2087 | \r |
2088 | //\r | |
2089 | // Point at the first HOB. This must be the PHIT HOB.\r | |
2090 | //\r | |
2091 | Hob.Raw = *HobStart;\r | |
2092 | ASSERT (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_HANDOFF);\r | |
2093 | \r | |
2094 | //\r | |
2095 | // Initialize the spin locks and maps in the memory services.\r | |
2096 | // Also fill in the memory services into the EFI Boot Services Table\r | |
2097 | //\r | |
2098 | CoreInitializePool ();\r | |
2099 | \r | |
2100 | //\r | |
2101 | // Initialize Local Variables\r | |
2102 | //\r | |
2103 | PhitResourceHob = NULL;\r | |
28a00297 | 2104 | ResourceHob = NULL;\r |
2105 | BaseAddress = 0;\r | |
2106 | Length = 0;\r | |
2107 | Attributes = 0;\r | |
28a00297 | 2108 | \r |
2109 | //\r | |
2110 | // Cache the PHIT HOB for later use\r | |
2111 | //\r | |
2112 | PhitHob = Hob.HandoffInformationTable;\r | |
54ea99a7 | 2113 | \r |
852081fc | 2114 | if (PcdGet64(PcdLoadModuleAtFixAddressEnable) != 0) {\r |
54ea99a7 | 2115 | ReservedCodePageNumber = PcdGet32(PcdLoadFixAddressRuntimeCodePageNumber);\r |
2116 | ReservedCodePageNumber += PcdGet32(PcdLoadFixAddressBootTimeCodePageNumber);\r | |
2117 | \r | |
2118 | //\r | |
2119 | // cache the Top address for loading modules at Fixed Address \r | |
2120 | //\r | |
2121 | gLoadModuleAtFixAddressConfigurationTable.DxeCodeTopAddress = PhitHob->EfiMemoryTop \r | |
2122 | + EFI_PAGES_TO_SIZE(ReservedCodePageNumber);\r | |
2123 | }\r | |
28a00297 | 2124 | //\r |
2125 | // See if a Memory Type Information HOB is available\r | |
2126 | //\r | |
2127 | GuidHob = GetFirstGuidHob (&gEfiMemoryTypeInformationGuid);\r | |
2128 | if (GuidHob != NULL) {\r | |
2129 | EfiMemoryTypeInformation = GET_GUID_HOB_DATA (GuidHob);\r | |
2130 | DataSize = GET_GUID_HOB_DATA_SIZE (GuidHob);\r | |
2131 | if (EfiMemoryTypeInformation != NULL && DataSize > 0 && DataSize <= (EfiMaxMemoryType + 1) * sizeof (EFI_MEMORY_TYPE_INFORMATION)) {\r | |
2132 | CopyMem (&gMemoryTypeInformation, EfiMemoryTypeInformation, DataSize);\r | |
2133 | }\r | |
2134 | }\r | |
2135 | \r | |
3a05b131 SZ |
2136 | //\r |
2137 | // Include the total memory bin size needed to make sure memory bin could be allocated successfully.\r | |
2138 | //\r | |
2139 | MinimalMemorySizeNeeded = MINIMUM_INITIAL_MEMORY_SIZE + CalculateTotalMemoryBinSizeNeeded ();\r | |
2140 | \r | |
28a00297 | 2141 | //\r |
c4c085a2 | 2142 | // Find the Resource Descriptor HOB that contains PHIT range EfiFreeMemoryBottom..EfiFreeMemoryTop\r |
28a00297 | 2143 | //\r |
28a00297 | 2144 | Found = FALSE;\r |
2145 | for (Hob.Raw = *HobStart; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {\r | |
c4c085a2 | 2146 | //\r |
2147 | // Skip all HOBs except Resource Descriptor HOBs\r | |
2148 | //\r | |
2149 | if (GET_HOB_TYPE (Hob) != EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {\r | |
2150 | continue;\r | |
2151 | }\r | |
28a00297 | 2152 | \r |
c4c085a2 | 2153 | //\r |
2154 | // Skip Resource Descriptor HOBs that do not describe tested system memory\r | |
2155 | //\r | |
2156 | ResourceHob = Hob.ResourceDescriptor;\r | |
2157 | if (ResourceHob->ResourceType != EFI_RESOURCE_SYSTEM_MEMORY) {\r | |
2158 | continue;\r | |
2159 | }\r | |
2160 | if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) != TESTED_MEMORY_ATTRIBUTES) {\r | |
2161 | continue;\r | |
2162 | }\r | |
2163 | \r | |
2164 | //\r | |
2165 | // Skip Resource Descriptor HOBs that do not contain the PHIT range EfiFreeMemoryBottom..EfiFreeMemoryTop\r | |
2166 | //\r | |
2167 | if (PhitHob->EfiFreeMemoryBottom < ResourceHob->PhysicalStart) {\r | |
2168 | continue;\r | |
2169 | }\r | |
2170 | if (PhitHob->EfiFreeMemoryTop > (ResourceHob->PhysicalStart + ResourceHob->ResourceLength)) {\r | |
2171 | continue;\r | |
2172 | }\r | |
2173 | \r | |
2174 | //\r | |
2175 | // Cache the resource descriptor HOB for the memory region described by the PHIT HOB\r | |
2176 | //\r | |
2177 | PhitResourceHob = ResourceHob;\r | |
2178 | Found = TRUE;\r | |
2179 | \r | |
2180 | //\r | |
3a05b131 | 2181 | // Compute range between PHIT EfiMemoryTop and the end of the Resource Descriptor HOB\r |
c4c085a2 | 2182 | //\r |
2183 | Attributes = PhitResourceHob->ResourceAttribute;\r | |
2184 | BaseAddress = PageAlignAddress (PhitHob->EfiMemoryTop);\r | |
2185 | Length = PageAlignLength (ResourceHob->PhysicalStart + ResourceHob->ResourceLength - BaseAddress);\r | |
3a05b131 | 2186 | if (Length < MinimalMemorySizeNeeded) {\r |
c4c085a2 | 2187 | //\r |
2188 | // If that range is not large enough to intialize the DXE Core, then \r | |
2189 | // Compute range between PHIT EfiFreeMemoryBottom and PHIT EfiFreeMemoryTop\r | |
2190 | //\r | |
2191 | BaseAddress = PageAlignAddress (PhitHob->EfiFreeMemoryBottom);\r | |
2192 | Length = PageAlignLength (PhitHob->EfiFreeMemoryTop - BaseAddress);\r | |
3a05b131 | 2193 | if (Length < MinimalMemorySizeNeeded) {\r |
c4c085a2 | 2194 | //\r |
2195 | // If that range is not large enough to intialize the DXE Core, then \r | |
2196 | // Compute range between the start of the Resource Descriptor HOB and the start of the HOB List\r | |
2197 | //\r | |
2198 | BaseAddress = PageAlignAddress (ResourceHob->PhysicalStart);\r | |
2199 | Length = PageAlignLength ((UINT64)((UINTN)*HobStart - BaseAddress));\r | |
28a00297 | 2200 | }\r |
2201 | }\r | |
c4c085a2 | 2202 | break;\r |
28a00297 | 2203 | }\r |
2204 | \r | |
2205 | //\r | |
2206 | // Assert if a resource descriptor HOB for the memory region described by the PHIT was not found\r | |
2207 | //\r | |
2208 | ASSERT (Found);\r | |
2209 | \r | |
2210 | //\r | |
3a05b131 SZ |
2211 | // Take the range in the resource descriptor HOB for the memory region described\r |
2212 | // by the PHIT as higher priority if it is big enough. It can make the memory bin\r | |
2213 | // allocated to be at the same memory region with PHIT that has more better compatibility\r | |
2214 | // to avoid memory fragmentation for some code practices assume and allocate <4G ACPI memory.\r | |
28a00297 | 2215 | //\r |
3a05b131 | 2216 | if (Length < MinimalMemorySizeNeeded) {\r |
c4c085a2 | 2217 | //\r |
3a05b131 SZ |
2218 | // Search all the resource descriptor HOBs from the highest possible addresses down for a memory\r |
2219 | // region that is big enough to initialize the DXE core. Always skip the PHIT Resource HOB.\r | |
2220 | // The max address must be within the physically addressible range for the processor.\r | |
c4c085a2 | 2221 | //\r |
3a05b131 SZ |
2222 | HighAddress = MAX_ADDRESS;\r |
2223 | for (Hob.Raw = *HobStart; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {\r | |
2224 | //\r | |
2225 | // Skip the Resource Descriptor HOB that contains the PHIT\r | |
2226 | //\r | |
2227 | if (Hob.ResourceDescriptor == PhitResourceHob) {\r | |
2228 | continue;\r | |
2229 | }\r | |
2230 | //\r | |
2231 | // Skip all HOBs except Resource Descriptor HOBs\r | |
2232 | //\r | |
2233 | if (GET_HOB_TYPE (Hob) != EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {\r | |
2234 | continue;\r | |
2235 | }\r | |
28a00297 | 2236 | \r |
3a05b131 SZ |
2237 | //\r |
2238 | // Skip Resource Descriptor HOBs that do not describe tested system memory below MAX_ADDRESS\r | |
2239 | //\r | |
2240 | ResourceHob = Hob.ResourceDescriptor;\r | |
2241 | if (ResourceHob->ResourceType != EFI_RESOURCE_SYSTEM_MEMORY) {\r | |
2242 | continue;\r | |
2243 | }\r | |
2244 | if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) != TESTED_MEMORY_ATTRIBUTES) {\r | |
2245 | continue;\r | |
2246 | }\r | |
2247 | if ((ResourceHob->PhysicalStart + ResourceHob->ResourceLength) > (EFI_PHYSICAL_ADDRESS)MAX_ADDRESS) {\r | |
2248 | continue;\r | |
2249 | }\r | |
c4c085a2 | 2250 | \r |
3a05b131 SZ |
2251 | //\r |
2252 | // Skip Resource Descriptor HOBs that are below a previously found Resource Descriptor HOB\r | |
2253 | //\r | |
2254 | if (HighAddress != (EFI_PHYSICAL_ADDRESS)MAX_ADDRESS && ResourceHob->PhysicalStart <= HighAddress) {\r | |
2255 | continue;\r | |
2256 | }\r | |
2257 | \r | |
2258 | //\r | |
2259 | // Skip Resource Descriptor HOBs that are not large enough to initilize the DXE Core\r | |
2260 | //\r | |
2261 | TestedMemoryBaseAddress = PageAlignAddress (ResourceHob->PhysicalStart);\r | |
2262 | TestedMemoryLength = PageAlignLength (ResourceHob->PhysicalStart + ResourceHob->ResourceLength - TestedMemoryBaseAddress);\r | |
2263 | if (TestedMemoryLength < MinimalMemorySizeNeeded) {\r | |
2264 | continue;\r | |
2265 | }\r | |
2266 | \r | |
2267 | //\r | |
2268 | // Save the range described by the Resource Descriptor that is large enough to initilize the DXE Core\r | |
2269 | //\r | |
2270 | BaseAddress = TestedMemoryBaseAddress;\r | |
2271 | Length = TestedMemoryLength;\r | |
2272 | Attributes = ResourceHob->ResourceAttribute; \r | |
2273 | HighAddress = ResourceHob->PhysicalStart;\r | |
c4c085a2 | 2274 | }\r |
c4c085a2 | 2275 | }\r |
28a00297 | 2276 | \r |
3a05b131 SZ |
2277 | DEBUG ((EFI_D_INFO, "CoreInitializeMemoryServices:\n"));\r |
2278 | DEBUG ((EFI_D_INFO, " BaseAddress - 0x%lx Length - 0x%lx MinimalMemorySizeNeeded - 0x%lx\n", BaseAddress, Length, MinimalMemorySizeNeeded));\r | |
28a00297 | 2279 | \r |
2280 | //\r | |
2281 | // If no memory regions are found that are big enough to initialize the DXE core, then ASSERT().\r | |
2282 | //\r | |
3a05b131 | 2283 | ASSERT (Length >= MinimalMemorySizeNeeded);\r |
28a00297 | 2284 | \r |
2285 | //\r | |
2286 | // Convert the Resource HOB Attributes to an EFI Memory Capabilities mask\r | |
2287 | //\r | |
74705ca5 SZ |
2288 | if ((Attributes & EFI_RESOURCE_ATTRIBUTE_MORE_RELIABLE) == EFI_RESOURCE_ATTRIBUTE_MORE_RELIABLE) {\r |
2289 | Capabilities = CoreConvertResourceDescriptorHobAttributesToCapabilities (EfiGcdMemoryTypeMoreReliable, Attributes);\r | |
2290 | } else {\r | |
2291 | Capabilities = CoreConvertResourceDescriptorHobAttributesToCapabilities (EfiGcdMemoryTypeSystemMemory, Attributes);\r | |
2292 | }\r | |
28a00297 | 2293 | \r |
2294 | //\r | |
2295 | // Declare the very first memory region, so the EFI Memory Services are available.\r | |
2296 | //\r | |
2297 | CoreAddMemoryDescriptor (\r | |
2298 | EfiConventionalMemory,\r | |
2299 | BaseAddress,\r | |
2300 | RShiftU64 (Length, EFI_PAGE_SHIFT),\r | |
2301 | Capabilities\r | |
2302 | );\r | |
2303 | \r | |
2304 | *MemoryBaseAddress = BaseAddress;\r | |
2305 | *MemoryLength = Length;\r | |
2306 | \r | |
2307 | return EFI_SUCCESS;\r | |
2308 | }\r | |
2309 | \r | |
28a00297 | 2310 | \r |
162ed594 | 2311 | /**\r |
2312 | External function. Initializes the GCD and memory services based on the memory\r | |
28a00297 | 2313 | descriptor HOBs. This function is responsible for priming the GCD map and the\r |
c18f12d3 | 2314 | memory map, so memory allocations and resource allocations can be made. The\r |
2315 | HobStart will be relocated to a pool buffer.\r | |
28a00297 | 2316 | \r |
022c6d45 | 2317 | @param HobStart The start address of the HOB\r |
2318 | @param MemoryBaseAddress Start address of memory region found to init DXE\r | |
2319 | core.\r | |
2320 | @param MemoryLength Length of memory region found to init DXE core.\r | |
28a00297 | 2321 | \r |
162ed594 | 2322 | @retval EFI_SUCCESS GCD services successfully initialized.\r |
28a00297 | 2323 | \r |
162ed594 | 2324 | **/\r |
2325 | EFI_STATUS\r | |
2326 | CoreInitializeGcdServices (\r | |
e94a9ff7 | 2327 | IN OUT VOID **HobStart,\r |
162ed594 | 2328 | IN EFI_PHYSICAL_ADDRESS MemoryBaseAddress,\r |
2329 | IN UINT64 MemoryLength\r | |
2330 | )\r | |
28a00297 | 2331 | {\r |
e94a9ff7 | 2332 | EFI_PEI_HOB_POINTERS Hob;\r |
28a00297 | 2333 | VOID *NewHobList;\r |
e94a9ff7 | 2334 | EFI_HOB_HANDOFF_INFO_TABLE *PhitHob;\r |
28a00297 | 2335 | UINT8 SizeOfMemorySpace;\r |
2336 | UINT8 SizeOfIoSpace;\r | |
2337 | EFI_HOB_RESOURCE_DESCRIPTOR *ResourceHob;\r | |
2338 | EFI_PHYSICAL_ADDRESS BaseAddress;\r | |
2339 | UINT64 Length;\r | |
2340 | EFI_STATUS Status;\r | |
2341 | EFI_GCD_MAP_ENTRY *Entry;\r | |
2342 | EFI_GCD_MEMORY_TYPE GcdMemoryType;\r | |
2343 | EFI_GCD_IO_TYPE GcdIoType;\r | |
2344 | EFI_GCD_MEMORY_SPACE_DESCRIPTOR Descriptor;\r | |
2345 | EFI_HOB_MEMORY_ALLOCATION *MemoryHob;\r | |
2346 | EFI_HOB_FIRMWARE_VOLUME *FirmwareVolumeHob;\r | |
2347 | UINTN NumberOfDescriptors;\r | |
2348 | EFI_GCD_MEMORY_SPACE_DESCRIPTOR *MemorySpaceMap;\r | |
2349 | UINTN Index;\r | |
2350 | UINT64 Capabilities;\r | |
2351 | EFI_HOB_CPU * CpuHob;\r | |
a46bbdd3 | 2352 | EFI_GCD_MEMORY_SPACE_DESCRIPTOR *MemorySpaceMapHobList;\r |
e94a9ff7 | 2353 | \r |
28a00297 | 2354 | //\r |
2355 | // Cache the PHIT HOB for later use\r | |
2356 | //\r | |
2357 | PhitHob = (EFI_HOB_HANDOFF_INFO_TABLE *)(*HobStart);\r | |
2358 | \r | |
2359 | //\r | |
2360 | // Get the number of address lines in the I/O and Memory space for the CPU\r | |
2361 | //\r | |
2362 | CpuHob = GetFirstHob (EFI_HOB_TYPE_CPU);\r | |
2363 | ASSERT (CpuHob != NULL);\r | |
2364 | SizeOfMemorySpace = CpuHob->SizeOfMemorySpace;\r | |
2365 | SizeOfIoSpace = CpuHob->SizeOfIoSpace;\r | |
022c6d45 | 2366 | \r |
28a00297 | 2367 | //\r |
2368 | // Initialize the GCD Memory Space Map\r | |
2369 | //\r | |
9c4ac31c | 2370 | Entry = AllocateCopyPool (sizeof (EFI_GCD_MAP_ENTRY), &mGcdMemorySpaceMapEntryTemplate);\r |
28a00297 | 2371 | ASSERT (Entry != NULL);\r |
2372 | \r | |
2373 | Entry->EndAddress = LShiftU64 (1, SizeOfMemorySpace) - 1;\r | |
2374 | \r | |
2375 | InsertHeadList (&mGcdMemorySpaceMap, &Entry->Link);\r | |
2376 | \r | |
aa927cae | 2377 | CoreDumpGcdMemorySpaceMap (TRUE);\r |
f9d1f97c | 2378 | \r |
28a00297 | 2379 | //\r |
2380 | // Initialize the GCD I/O Space Map\r | |
2381 | //\r | |
9c4ac31c | 2382 | Entry = AllocateCopyPool (sizeof (EFI_GCD_MAP_ENTRY), &mGcdIoSpaceMapEntryTemplate);\r |
28a00297 | 2383 | ASSERT (Entry != NULL);\r |
2384 | \r | |
2385 | Entry->EndAddress = LShiftU64 (1, SizeOfIoSpace) - 1;\r | |
2386 | \r | |
2387 | InsertHeadList (&mGcdIoSpaceMap, &Entry->Link);\r | |
2388 | \r | |
aa927cae | 2389 | CoreDumpGcdIoSpaceMap (TRUE);\r |
f9d1f97c | 2390 | \r |
28a00297 | 2391 | //\r |
022c6d45 | 2392 | // Walk the HOB list and add all resource descriptors to the GCD\r |
28a00297 | 2393 | //\r |
2394 | for (Hob.Raw = *HobStart; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {\r | |
2395 | \r | |
2396 | GcdMemoryType = EfiGcdMemoryTypeNonExistent;\r | |
2397 | GcdIoType = EfiGcdIoTypeNonExistent;\r | |
2398 | \r | |
2399 | if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {\r | |
2400 | \r | |
2401 | ResourceHob = Hob.ResourceDescriptor;\r | |
2402 | \r | |
2403 | switch (ResourceHob->ResourceType) {\r | |
2404 | case EFI_RESOURCE_SYSTEM_MEMORY:\r | |
2405 | if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) == TESTED_MEMORY_ATTRIBUTES) {\r | |
74705ca5 SZ |
2406 | if ((ResourceHob->ResourceAttribute & EFI_RESOURCE_ATTRIBUTE_MORE_RELIABLE) == EFI_RESOURCE_ATTRIBUTE_MORE_RELIABLE) {\r |
2407 | GcdMemoryType = EfiGcdMemoryTypeMoreReliable;\r | |
2408 | } else {\r | |
2409 | GcdMemoryType = EfiGcdMemoryTypeSystemMemory;\r | |
2410 | }\r | |
28a00297 | 2411 | }\r |
2412 | if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) == INITIALIZED_MEMORY_ATTRIBUTES) {\r | |
2413 | GcdMemoryType = EfiGcdMemoryTypeReserved;\r | |
2414 | }\r | |
2415 | if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) == PRESENT_MEMORY_ATTRIBUTES) {\r | |
2416 | GcdMemoryType = EfiGcdMemoryTypeReserved;\r | |
2417 | }\r | |
a671a012 | 2418 | if ((ResourceHob->ResourceAttribute & EFI_RESOURCE_ATTRIBUTE_PERSISTENT) == EFI_RESOURCE_ATTRIBUTE_PERSISTENT) {\r |
35ac962b | 2419 | GcdMemoryType = EfiGcdMemoryTypePersistent;\r |
a671a012 | 2420 | }\r |
28a00297 | 2421 | break;\r |
2422 | case EFI_RESOURCE_MEMORY_MAPPED_IO:\r | |
2423 | case EFI_RESOURCE_FIRMWARE_DEVICE:\r | |
2424 | GcdMemoryType = EfiGcdMemoryTypeMemoryMappedIo;\r | |
2425 | break;\r | |
2426 | case EFI_RESOURCE_MEMORY_MAPPED_IO_PORT:\r | |
2427 | case EFI_RESOURCE_MEMORY_RESERVED:\r | |
2428 | GcdMemoryType = EfiGcdMemoryTypeReserved;\r | |
2429 | break;\r | |
2430 | case EFI_RESOURCE_IO:\r | |
2431 | GcdIoType = EfiGcdIoTypeIo;\r | |
2432 | break;\r | |
2433 | case EFI_RESOURCE_IO_RESERVED:\r | |
2434 | GcdIoType = EfiGcdIoTypeReserved;\r | |
2435 | break;\r | |
2436 | }\r | |
2437 | \r | |
2438 | if (GcdMemoryType != EfiGcdMemoryTypeNonExistent) {\r | |
d12a2ecb | 2439 | //\r |
2440 | // Validate the Resource HOB Attributes\r | |
2441 | //\r | |
2442 | CoreValidateResourceDescriptorHobAttributes (ResourceHob->ResourceAttribute);\r | |
2443 | \r | |
28a00297 | 2444 | //\r |
2445 | // Convert the Resource HOB Attributes to an EFI Memory Capabilities mask\r | |
2446 | //\r | |
2447 | Capabilities = CoreConvertResourceDescriptorHobAttributesToCapabilities (\r | |
2448 | GcdMemoryType,\r | |
2449 | ResourceHob->ResourceAttribute\r | |
2450 | );\r | |
2451 | \r | |
2452 | Status = CoreInternalAddMemorySpace (\r | |
2453 | GcdMemoryType,\r | |
2454 | ResourceHob->PhysicalStart,\r | |
2455 | ResourceHob->ResourceLength,\r | |
2456 | Capabilities\r | |
2457 | );\r | |
2458 | }\r | |
2459 | \r | |
2460 | if (GcdIoType != EfiGcdIoTypeNonExistent) {\r | |
2461 | Status = CoreAddIoSpace (\r | |
2462 | GcdIoType,\r | |
2463 | ResourceHob->PhysicalStart,\r | |
2464 | ResourceHob->ResourceLength\r | |
2465 | );\r | |
2466 | }\r | |
2467 | }\r | |
2468 | }\r | |
2469 | \r | |
2470 | //\r | |
2471 | // Allocate first memory region from the GCD by the DXE core\r | |
2472 | //\r | |
74705ca5 SZ |
2473 | Status = CoreGetMemorySpaceDescriptor (MemoryBaseAddress, &Descriptor);\r |
2474 | if (!EFI_ERROR (Status)) {\r | |
2475 | ASSERT ((Descriptor.GcdMemoryType == EfiGcdMemoryTypeSystemMemory) ||\r | |
2476 | (Descriptor.GcdMemoryType == EfiGcdMemoryTypeMoreReliable));\r | |
2477 | Status = CoreAllocateMemorySpace (\r | |
2478 | EfiGcdAllocateAddress,\r | |
2479 | Descriptor.GcdMemoryType,\r | |
2480 | 0,\r | |
2481 | MemoryLength,\r | |
2482 | &MemoryBaseAddress,\r | |
2483 | gDxeCoreImageHandle,\r | |
2484 | NULL\r | |
2485 | );\r | |
2486 | }\r | |
28a00297 | 2487 | \r |
2488 | //\r | |
2489 | // Walk the HOB list and allocate all memory space that is consumed by memory allocation HOBs,\r | |
2490 | // and Firmware Volume HOBs. Also update the EFI Memory Map with the memory allocation HOBs.\r | |
2491 | //\r | |
2492 | for (Hob.Raw = *HobStart; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {\r | |
2493 | if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_MEMORY_ALLOCATION) {\r | |
2494 | MemoryHob = Hob.MemoryAllocation;\r | |
2495 | BaseAddress = MemoryHob->AllocDescriptor.MemoryBaseAddress;\r | |
f942f107 | 2496 | Status = CoreGetMemorySpaceDescriptor (BaseAddress, &Descriptor);\r |
28a00297 | 2497 | if (!EFI_ERROR (Status)) {\r |
f942f107 | 2498 | Status = CoreAllocateMemorySpace (\r |
2499 | EfiGcdAllocateAddress,\r | |
022c6d45 | 2500 | Descriptor.GcdMemoryType,\r |
f942f107 | 2501 | 0,\r |
2502 | MemoryHob->AllocDescriptor.MemoryLength,\r | |
2503 | &BaseAddress,\r | |
2504 | gDxeCoreImageHandle,\r | |
2505 | NULL\r | |
2506 | );\r | |
74705ca5 SZ |
2507 | if (!EFI_ERROR (Status) &&\r |
2508 | ((Descriptor.GcdMemoryType == EfiGcdMemoryTypeSystemMemory) ||\r | |
2509 | (Descriptor.GcdMemoryType == EfiGcdMemoryTypeMoreReliable))) {\r | |
28a00297 | 2510 | CoreAddMemoryDescriptor (\r |
2511 | MemoryHob->AllocDescriptor.MemoryType,\r | |
2512 | MemoryHob->AllocDescriptor.MemoryBaseAddress,\r | |
2513 | RShiftU64 (MemoryHob->AllocDescriptor.MemoryLength, EFI_PAGE_SHIFT),\r | |
2514 | Descriptor.Capabilities & (~EFI_MEMORY_RUNTIME)\r | |
2515 | );\r | |
2516 | }\r | |
2517 | }\r | |
2518 | }\r | |
2519 | \r | |
2520 | if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_FV) {\r | |
2521 | FirmwareVolumeHob = Hob.FirmwareVolume;\r | |
2522 | BaseAddress = FirmwareVolumeHob->BaseAddress;\r | |
2523 | Status = CoreAllocateMemorySpace (\r | |
2524 | EfiGcdAllocateAddress,\r | |
022c6d45 | 2525 | EfiGcdMemoryTypeMemoryMappedIo,\r |
28a00297 | 2526 | 0,\r |
2527 | FirmwareVolumeHob->Length,\r | |
2528 | &BaseAddress,\r | |
2529 | gDxeCoreImageHandle,\r | |
2530 | NULL\r | |
2531 | );\r | |
2532 | }\r | |
2533 | }\r | |
2534 | \r | |
28a00297 | 2535 | //\r |
2536 | // Add and allocate the remaining unallocated system memory to the memory services.\r | |
2537 | //\r | |
2538 | Status = CoreGetMemorySpaceMap (&NumberOfDescriptors, &MemorySpaceMap);\r | |
311a71b2 | 2539 | ASSERT (Status == EFI_SUCCESS);\r |
2540 | \r | |
a46bbdd3 | 2541 | MemorySpaceMapHobList = NULL;\r |
28a00297 | 2542 | for (Index = 0; Index < NumberOfDescriptors; Index++) {\r |
74705ca5 SZ |
2543 | if ((MemorySpaceMap[Index].GcdMemoryType == EfiGcdMemoryTypeSystemMemory) ||\r |
2544 | (MemorySpaceMap[Index].GcdMemoryType == EfiGcdMemoryTypeMoreReliable)) {\r | |
28a00297 | 2545 | if (MemorySpaceMap[Index].ImageHandle == NULL) {\r |
2546 | BaseAddress = PageAlignAddress (MemorySpaceMap[Index].BaseAddress);\r | |
2547 | Length = PageAlignLength (MemorySpaceMap[Index].BaseAddress + MemorySpaceMap[Index].Length - BaseAddress);\r | |
383c303c | 2548 | if (Length == 0 || MemorySpaceMap[Index].BaseAddress + MemorySpaceMap[Index].Length < BaseAddress) {\r |
2549 | continue;\r | |
2550 | }\r | |
a46bbdd3 SZ |
2551 | if (((UINTN) MemorySpaceMap[Index].BaseAddress <= (UINTN) (*HobStart)) &&\r |
2552 | ((UINTN) (MemorySpaceMap[Index].BaseAddress + MemorySpaceMap[Index].Length) >= (UINTN) PhitHob->EfiFreeMemoryBottom)) {\r | |
2553 | //\r | |
2554 | // Skip the memory space that covers HOB List, it should be processed\r | |
2555 | // after HOB List relocation to avoid the resources allocated by others\r | |
2556 | // to corrupt HOB List before its relocation.\r | |
2557 | //\r | |
2558 | MemorySpaceMapHobList = &MemorySpaceMap[Index];\r | |
2559 | continue;\r | |
2560 | }\r | |
28a00297 | 2561 | CoreAddMemoryDescriptor (\r |
2562 | EfiConventionalMemory,\r | |
2563 | BaseAddress,\r | |
2564 | RShiftU64 (Length, EFI_PAGE_SHIFT),\r | |
2565 | MemorySpaceMap[Index].Capabilities & (~EFI_MEMORY_RUNTIME)\r | |
2566 | );\r | |
2567 | Status = CoreAllocateMemorySpace (\r | |
2568 | EfiGcdAllocateAddress,\r | |
74705ca5 | 2569 | MemorySpaceMap[Index].GcdMemoryType,\r |
28a00297 | 2570 | 0,\r |
2571 | Length,\r | |
2572 | &BaseAddress,\r | |
2573 | gDxeCoreImageHandle,\r | |
2574 | NULL\r | |
2575 | );\r | |
2576 | }\r | |
2577 | }\r | |
2578 | }\r | |
a46bbdd3 SZ |
2579 | \r |
2580 | //\r | |
2581 | // Relocate HOB List to an allocated pool buffer.\r | |
2582 | // The relocation should be at after all the tested memory resources added\r | |
2583 | // (except the memory space that covers HOB List) to the memory services,\r | |
2584 | // because the memory resource found in CoreInitializeMemoryServices()\r | |
2585 | // may have not enough remaining resource for HOB List.\r | |
2586 | //\r | |
2587 | NewHobList = AllocateCopyPool (\r | |
2588 | (UINTN) PhitHob->EfiFreeMemoryBottom - (UINTN) (*HobStart),\r | |
2589 | *HobStart\r | |
2590 | );\r | |
2591 | ASSERT (NewHobList != NULL);\r | |
2592 | \r | |
2593 | *HobStart = NewHobList;\r | |
2594 | gHobList = NewHobList;\r | |
2595 | \r | |
2596 | if (MemorySpaceMapHobList != NULL) {\r | |
2597 | //\r | |
2598 | // Add and allocate the memory space that covers HOB List to the memory services\r | |
2599 | // after HOB List relocation.\r | |
2600 | //\r | |
2601 | BaseAddress = PageAlignAddress (MemorySpaceMapHobList->BaseAddress);\r | |
2602 | Length = PageAlignLength (MemorySpaceMapHobList->BaseAddress + MemorySpaceMapHobList->Length - BaseAddress);\r | |
2603 | CoreAddMemoryDescriptor (\r | |
2604 | EfiConventionalMemory,\r | |
2605 | BaseAddress,\r | |
2606 | RShiftU64 (Length, EFI_PAGE_SHIFT),\r | |
2607 | MemorySpaceMapHobList->Capabilities & (~EFI_MEMORY_RUNTIME)\r | |
2608 | );\r | |
2609 | Status = CoreAllocateMemorySpace (\r | |
2610 | EfiGcdAllocateAddress,\r | |
2611 | MemorySpaceMapHobList->GcdMemoryType,\r | |
2612 | 0,\r | |
2613 | Length,\r | |
2614 | &BaseAddress,\r | |
2615 | gDxeCoreImageHandle,\r | |
2616 | NULL\r | |
2617 | );\r | |
2618 | }\r | |
2619 | \r | |
28a00297 | 2620 | CoreFreePool (MemorySpaceMap);\r |
2621 | \r | |
2622 | return EFI_SUCCESS;\r | |
2623 | }\r |