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23c98c94 | 1 | /** @file\r |
2 | The file contains the GCD related services in the EFI Boot Services Table.\r | |
022c6d45 | 3 | The GCD services are used to manage the memory and I/O regions that\r |
e94a9ff7 | 4 | are accessible to the CPU that is executing the DXE core.\r |
504214c4 | 5 | \r |
e037e88c | 6 | Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r |
9d510e61 | 7 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
28a00297 | 8 | \r |
504214c4 | 9 | **/\r |
28a00297 | 10 | \r |
9c4ac31c | 11 | #include "DxeMain.h"\r |
ec90508b | 12 | #include "Gcd.h"\r |
7fef06af | 13 | #include "Mem/HeapGuard.h"\r |
28a00297 | 14 | \r |
15 | #define MINIMUM_INITIAL_MEMORY_SIZE 0x10000\r | |
16 | \r | |
17 | #define MEMORY_ATTRIBUTE_MASK (EFI_RESOURCE_ATTRIBUTE_PRESENT | \\r | |
18 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED | \\r | |
19 | EFI_RESOURCE_ATTRIBUTE_TESTED | \\r | |
20 | EFI_RESOURCE_ATTRIBUTE_READ_PROTECTED | \\r | |
21 | EFI_RESOURCE_ATTRIBUTE_WRITE_PROTECTED | \\r | |
22 | EFI_RESOURCE_ATTRIBUTE_EXECUTION_PROTECTED | \\r | |
6db13692 | 23 | EFI_RESOURCE_ATTRIBUTE_READ_ONLY_PROTECTED | \\r |
28a00297 | 24 | EFI_RESOURCE_ATTRIBUTE_16_BIT_IO | \\r |
25 | EFI_RESOURCE_ATTRIBUTE_32_BIT_IO | \\r | |
a671a012 LG |
26 | EFI_RESOURCE_ATTRIBUTE_64_BIT_IO | \\r |
27 | EFI_RESOURCE_ATTRIBUTE_PERSISTENT )\r | |
28a00297 | 28 | \r |
29 | #define TESTED_MEMORY_ATTRIBUTES (EFI_RESOURCE_ATTRIBUTE_PRESENT | \\r | |
30 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED | \\r | |
31 | EFI_RESOURCE_ATTRIBUTE_TESTED )\r | |
32 | \r | |
33 | #define INITIALIZED_MEMORY_ATTRIBUTES (EFI_RESOURCE_ATTRIBUTE_PRESENT | \\r | |
34 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED )\r | |
35 | \r | |
36 | #define PRESENT_MEMORY_ATTRIBUTES (EFI_RESOURCE_ATTRIBUTE_PRESENT)\r | |
37 | \r | |
14dde9e9 JW |
38 | #define EXCLUSIVE_MEMORY_ATTRIBUTES (EFI_MEMORY_UC | EFI_MEMORY_WC | \\r |
39 | EFI_MEMORY_WT | EFI_MEMORY_WB | \\r | |
40 | EFI_MEMORY_WP | EFI_MEMORY_UCE)\r | |
41 | \r | |
42 | #define NONEXCLUSIVE_MEMORY_ATTRIBUTES (EFI_MEMORY_XP | EFI_MEMORY_RP | \\r | |
43 | EFI_MEMORY_RO)\r | |
44 | \r | |
28a00297 | 45 | //\r |
46 | // Module Variables\r | |
47 | //\r | |
48 | EFI_LOCK mGcdMemorySpaceLock = EFI_INITIALIZE_LOCK_VARIABLE (TPL_NOTIFY);\r | |
49 | EFI_LOCK mGcdIoSpaceLock = EFI_INITIALIZE_LOCK_VARIABLE (TPL_NOTIFY);\r | |
50 | LIST_ENTRY mGcdMemorySpaceMap = INITIALIZE_LIST_HEAD_VARIABLE (mGcdMemorySpaceMap);\r | |
51 | LIST_ENTRY mGcdIoSpaceMap = INITIALIZE_LIST_HEAD_VARIABLE (mGcdIoSpaceMap);\r | |
52 | \r | |
53 | EFI_GCD_MAP_ENTRY mGcdMemorySpaceMapEntryTemplate = {\r | |
54 | EFI_GCD_MAP_SIGNATURE,\r | |
022c6d45 | 55 | {\r |
e94a9ff7 | 56 | NULL,\r |
57 | NULL\r | |
58 | },\r | |
28a00297 | 59 | 0,\r |
60 | 0,\r | |
61 | 0,\r | |
62 | 0,\r | |
63 | EfiGcdMemoryTypeNonExistent,\r | |
64 | (EFI_GCD_IO_TYPE) 0,\r | |
65 | NULL,\r | |
66 | NULL\r | |
67 | };\r | |
68 | \r | |
69 | EFI_GCD_MAP_ENTRY mGcdIoSpaceMapEntryTemplate = {\r | |
70 | EFI_GCD_MAP_SIGNATURE,\r | |
e94a9ff7 | 71 | {\r |
72 | NULL,\r | |
73 | NULL\r | |
74 | },\r | |
28a00297 | 75 | 0,\r |
76 | 0,\r | |
77 | 0,\r | |
78 | 0,\r | |
79 | (EFI_GCD_MEMORY_TYPE) 0,\r | |
80 | EfiGcdIoTypeNonExistent,\r | |
81 | NULL,\r | |
82 | NULL\r | |
83 | };\r | |
84 | \r | |
85 | GCD_ATTRIBUTE_CONVERSION_ENTRY mAttributeConversionTable[] = {\r | |
74705ca5 SZ |
86 | { EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE, EFI_MEMORY_UC, TRUE },\r |
87 | { EFI_RESOURCE_ATTRIBUTE_UNCACHED_EXPORTED, EFI_MEMORY_UCE, TRUE },\r | |
88 | { EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE, EFI_MEMORY_WC, TRUE },\r | |
89 | { EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE, EFI_MEMORY_WT, TRUE },\r | |
90 | { EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE, EFI_MEMORY_WB, TRUE },\r | |
91 | { EFI_RESOURCE_ATTRIBUTE_READ_PROTECTABLE, EFI_MEMORY_RP, TRUE },\r | |
92 | { EFI_RESOURCE_ATTRIBUTE_WRITE_PROTECTABLE, EFI_MEMORY_WP, TRUE },\r | |
93 | { EFI_RESOURCE_ATTRIBUTE_EXECUTION_PROTECTABLE, EFI_MEMORY_XP, TRUE },\r | |
94 | { EFI_RESOURCE_ATTRIBUTE_READ_ONLY_PROTECTABLE, EFI_MEMORY_RO, TRUE },\r | |
95 | { EFI_RESOURCE_ATTRIBUTE_PRESENT, EFI_MEMORY_PRESENT, FALSE },\r | |
96 | { EFI_RESOURCE_ATTRIBUTE_INITIALIZED, EFI_MEMORY_INITIALIZED, FALSE },\r | |
97 | { EFI_RESOURCE_ATTRIBUTE_TESTED, EFI_MEMORY_TESTED, FALSE },\r | |
98 | { EFI_RESOURCE_ATTRIBUTE_PERSISTABLE, EFI_MEMORY_NV, TRUE },\r | |
99 | { EFI_RESOURCE_ATTRIBUTE_MORE_RELIABLE, EFI_MEMORY_MORE_RELIABLE, TRUE },\r | |
100 | { 0, 0, FALSE }\r | |
28a00297 | 101 | };\r |
102 | \r | |
f9d1f97c | 103 | ///\r |
104 | /// Lookup table used to print GCD Memory Space Map\r | |
105 | ///\r | |
106 | GLOBAL_REMOVE_IF_UNREFERENCED CONST CHAR8 *mGcdMemoryTypeNames[] = {\r | |
107 | "NonExist ", // EfiGcdMemoryTypeNonExistent\r | |
108 | "Reserved ", // EfiGcdMemoryTypeReserved\r | |
109 | "SystemMem", // EfiGcdMemoryTypeSystemMemory\r | |
110 | "MMIO ", // EfiGcdMemoryTypeMemoryMappedIo\r | |
35ac962b | 111 | "PersisMem", // EfiGcdMemoryTypePersistent\r |
74705ca5 | 112 | "MoreRelia", // EfiGcdMemoryTypeMoreReliable\r |
f9d1f97c | 113 | "Unknown " // EfiGcdMemoryTypeMaximum\r |
114 | };\r | |
115 | \r | |
116 | ///\r | |
117 | /// Lookup table used to print GCD I/O Space Map\r | |
118 | ///\r | |
119 | GLOBAL_REMOVE_IF_UNREFERENCED CONST CHAR8 *mGcdIoTypeNames[] = {\r | |
120 | "NonExist", // EfiGcdIoTypeNonExistent\r | |
121 | "Reserved", // EfiGcdIoTypeReserved\r | |
122 | "I/O ", // EfiGcdIoTypeIo\r | |
d1102dba | 123 | "Unknown " // EfiGcdIoTypeMaximum\r |
f9d1f97c | 124 | };\r |
125 | \r | |
126 | ///\r | |
127 | /// Lookup table used to print GCD Allocation Types\r | |
128 | ///\r | |
129 | GLOBAL_REMOVE_IF_UNREFERENCED CONST CHAR8 *mGcdAllocationTypeNames[] = {\r | |
130 | "AnySearchBottomUp ", // EfiGcdAllocateAnySearchBottomUp\r | |
131 | "MaxAddressSearchBottomUp ", // EfiGcdAllocateMaxAddressSearchBottomUp\r | |
132 | "AtAddress ", // EfiGcdAllocateAddress\r | |
133 | "AnySearchTopDown ", // EfiGcdAllocateAnySearchTopDown\r | |
134 | "MaxAddressSearchTopDown ", // EfiGcdAllocateMaxAddressSearchTopDown\r | |
135 | "Unknown " // EfiGcdMaxAllocateType\r | |
136 | };\r | |
137 | \r | |
138 | /**\r | |
139 | Dump the entire contents if the GCD Memory Space Map using DEBUG() macros when\r | |
140 | PcdDebugPrintErrorLevel has the DEBUG_GCD bit set.\r | |
141 | \r | |
aa927cae | 142 | @param InitialMap TRUE if the initial GCD Memory Map is being dumped. Otherwise, FALSE.\r |
d1102dba | 143 | \r |
f9d1f97c | 144 | **/\r |
145 | VOID\r | |
146 | EFIAPI\r | |
147 | CoreDumpGcdMemorySpaceMap (\r | |
aa927cae | 148 | BOOLEAN InitialMap\r |
f9d1f97c | 149 | )\r |
150 | {\r | |
aa927cae | 151 | DEBUG_CODE (\r |
152 | EFI_STATUS Status;\r | |
153 | UINTN NumberOfDescriptors;\r | |
154 | EFI_GCD_MEMORY_SPACE_DESCRIPTOR *MemorySpaceMap;\r | |
155 | UINTN Index;\r | |
d1102dba | 156 | \r |
aa927cae | 157 | Status = CoreGetMemorySpaceMap (&NumberOfDescriptors, &MemorySpaceMap);\r |
3d267c70 | 158 | ASSERT (Status == EFI_SUCCESS && MemorySpaceMap != NULL);\r |
aa927cae | 159 | \r |
160 | if (InitialMap) {\r | |
161 | DEBUG ((DEBUG_GCD, "GCD:Initial GCD Memory Space Map\n"));\r | |
162 | }\r | |
163 | DEBUG ((DEBUG_GCD, "GCDMemType Range Capabilities Attributes \n"));\r | |
164 | DEBUG ((DEBUG_GCD, "========== ================================= ================ ================\n"));\r | |
165 | for (Index = 0; Index < NumberOfDescriptors; Index++) {\r | |
d1102dba | 166 | DEBUG ((DEBUG_GCD, "%a %016lx-%016lx %016lx %016lx%c\n",\r |
aa927cae | 167 | mGcdMemoryTypeNames[MIN (MemorySpaceMap[Index].GcdMemoryType, EfiGcdMemoryTypeMaximum)],\r |
d1102dba | 168 | MemorySpaceMap[Index].BaseAddress,\r |
aa927cae | 169 | MemorySpaceMap[Index].BaseAddress + MemorySpaceMap[Index].Length - 1,\r |
d1102dba | 170 | MemorySpaceMap[Index].Capabilities,\r |
aa927cae | 171 | MemorySpaceMap[Index].Attributes,\r |
172 | MemorySpaceMap[Index].ImageHandle == NULL ? ' ' : '*'\r | |
173 | ));\r | |
174 | }\r | |
175 | DEBUG ((DEBUG_GCD, "\n"));\r | |
176 | FreePool (MemorySpaceMap);\r | |
177 | );\r | |
f9d1f97c | 178 | }\r |
179 | \r | |
180 | /**\r | |
d1102dba | 181 | Dump the entire contents if the GCD I/O Space Map using DEBUG() macros when\r |
f9d1f97c | 182 | PcdDebugPrintErrorLevel has the DEBUG_GCD bit set.\r |
183 | \r | |
aa927cae | 184 | @param InitialMap TRUE if the initial GCD I/O Map is being dumped. Otherwise, FALSE.\r |
d1102dba | 185 | \r |
f9d1f97c | 186 | **/\r |
187 | VOID\r | |
188 | EFIAPI\r | |
189 | CoreDumpGcdIoSpaceMap (\r | |
aa927cae | 190 | BOOLEAN InitialMap\r |
f9d1f97c | 191 | )\r |
192 | {\r | |
aa927cae | 193 | DEBUG_CODE (\r |
194 | EFI_STATUS Status;\r | |
195 | UINTN NumberOfDescriptors;\r | |
196 | EFI_GCD_IO_SPACE_DESCRIPTOR *IoSpaceMap;\r | |
197 | UINTN Index;\r | |
d1102dba | 198 | \r |
aa927cae | 199 | Status = CoreGetIoSpaceMap (&NumberOfDescriptors, &IoSpaceMap);\r |
3d267c70 | 200 | ASSERT (Status == EFI_SUCCESS && IoSpaceMap != NULL);\r |
d1102dba | 201 | \r |
aa927cae | 202 | if (InitialMap) {\r |
203 | DEBUG ((DEBUG_GCD, "GCD:Initial GCD I/O Space Map\n"));\r | |
d1102dba LG |
204 | }\r |
205 | \r | |
aa927cae | 206 | DEBUG ((DEBUG_GCD, "GCDIoType Range \n"));\r |
207 | DEBUG ((DEBUG_GCD, "========== =================================\n"));\r | |
208 | for (Index = 0; Index < NumberOfDescriptors; Index++) {\r | |
d1102dba | 209 | DEBUG ((DEBUG_GCD, "%a %016lx-%016lx%c\n",\r |
aa927cae | 210 | mGcdIoTypeNames[MIN (IoSpaceMap[Index].GcdIoType, EfiGcdIoTypeMaximum)],\r |
d1102dba | 211 | IoSpaceMap[Index].BaseAddress,\r |
aa927cae | 212 | IoSpaceMap[Index].BaseAddress + IoSpaceMap[Index].Length - 1,\r |
213 | IoSpaceMap[Index].ImageHandle == NULL ? ' ' : '*'\r | |
214 | ));\r | |
215 | }\r | |
216 | DEBUG ((DEBUG_GCD, "\n"));\r | |
217 | FreePool (IoSpaceMap);\r | |
218 | );\r | |
f9d1f97c | 219 | }\r |
d1102dba | 220 | \r |
d12a2ecb | 221 | /**\r |
222 | Validate resource descriptor HOB's attributes.\r | |
223 | \r | |
d1102dba | 224 | If Attributes includes some memory resource's settings, it should include\r |
d12a2ecb | 225 | the corresponding capabilites also.\r |
f9d1f97c | 226 | \r |
d12a2ecb | 227 | @param Attributes Resource descriptor HOB attributes.\r |
228 | \r | |
229 | **/\r | |
230 | VOID\r | |
231 | CoreValidateResourceDescriptorHobAttributes (\r | |
232 | IN UINT64 Attributes\r | |
233 | )\r | |
234 | {\r | |
235 | ASSERT (((Attributes & EFI_RESOURCE_ATTRIBUTE_READ_PROTECTED) == 0) ||\r | |
236 | ((Attributes & EFI_RESOURCE_ATTRIBUTE_READ_PROTECTABLE) != 0));\r | |
237 | ASSERT (((Attributes & EFI_RESOURCE_ATTRIBUTE_WRITE_PROTECTED) == 0) ||\r | |
238 | ((Attributes & EFI_RESOURCE_ATTRIBUTE_WRITE_PROTECTABLE) != 0));\r | |
239 | ASSERT (((Attributes & EFI_RESOURCE_ATTRIBUTE_EXECUTION_PROTECTED) == 0) ||\r | |
240 | ((Attributes & EFI_RESOURCE_ATTRIBUTE_EXECUTION_PROTECTABLE) != 0));\r | |
6db13692 SZ |
241 | ASSERT (((Attributes & EFI_RESOURCE_ATTRIBUTE_READ_ONLY_PROTECTED) == 0) ||\r |
242 | ((Attributes & EFI_RESOURCE_ATTRIBUTE_READ_ONLY_PROTECTABLE) != 0));\r | |
a671a012 LG |
243 | ASSERT (((Attributes & EFI_RESOURCE_ATTRIBUTE_PERSISTENT) == 0) ||\r |
244 | ((Attributes & EFI_RESOURCE_ATTRIBUTE_PERSISTABLE) != 0));\r | |
d12a2ecb | 245 | }\r |
162ed594 | 246 | \r |
247 | /**\r | |
248 | Acquire memory lock on mGcdMemorySpaceLock.\r | |
249 | \r | |
250 | **/\r | |
28a00297 | 251 | VOID\r |
252 | CoreAcquireGcdMemoryLock (\r | |
253 | VOID\r | |
254 | )\r | |
28a00297 | 255 | {\r |
256 | CoreAcquireLock (&mGcdMemorySpaceLock);\r | |
257 | }\r | |
258 | \r | |
259 | \r | |
162ed594 | 260 | \r |
261 | /**\r | |
262 | Release memory lock on mGcdMemorySpaceLock.\r | |
263 | \r | |
264 | **/\r | |
28a00297 | 265 | VOID\r |
266 | CoreReleaseGcdMemoryLock (\r | |
267 | VOID\r | |
268 | )\r | |
28a00297 | 269 | {\r |
270 | CoreReleaseLock (&mGcdMemorySpaceLock);\r | |
271 | }\r | |
272 | \r | |
273 | \r | |
162ed594 | 274 | \r |
275 | /**\r | |
276 | Acquire memory lock on mGcdIoSpaceLock.\r | |
277 | \r | |
278 | **/\r | |
28a00297 | 279 | VOID\r |
280 | CoreAcquireGcdIoLock (\r | |
281 | VOID\r | |
282 | )\r | |
28a00297 | 283 | {\r |
284 | CoreAcquireLock (&mGcdIoSpaceLock);\r | |
285 | }\r | |
286 | \r | |
162ed594 | 287 | \r |
288 | /**\r | |
289 | Release memory lock on mGcdIoSpaceLock.\r | |
290 | \r | |
291 | **/\r | |
28a00297 | 292 | VOID\r |
293 | CoreReleaseGcdIoLock (\r | |
294 | VOID\r | |
295 | )\r | |
28a00297 | 296 | {\r |
297 | CoreReleaseLock (&mGcdIoSpaceLock);\r | |
298 | }\r | |
299 | \r | |
300 | \r | |
301 | \r | |
302 | //\r | |
303 | // GCD Initialization Worker Functions\r | |
304 | //\r | |
162ed594 | 305 | /**\r |
306 | Aligns a value to the specified boundary.\r | |
307 | \r | |
022c6d45 | 308 | @param Value 64 bit value to align\r |
309 | @param Alignment Log base 2 of the boundary to align Value to\r | |
310 | @param RoundUp TRUE if Value is to be rounded up to the nearest\r | |
311 | aligned boundary. FALSE is Value is to be\r | |
312 | rounded down to the nearest aligned boundary.\r | |
162ed594 | 313 | \r |
314 | @return A 64 bit value is the aligned to the value nearest Value with an alignment by Alignment.\r | |
315 | \r | |
316 | **/\r | |
28a00297 | 317 | UINT64\r |
318 | AlignValue (\r | |
319 | IN UINT64 Value,\r | |
320 | IN UINTN Alignment,\r | |
321 | IN BOOLEAN RoundUp\r | |
322 | )\r | |
28a00297 | 323 | {\r |
324 | UINT64 AlignmentMask;\r | |
325 | \r | |
326 | AlignmentMask = LShiftU64 (1, Alignment) - 1;\r | |
327 | if (RoundUp) {\r | |
328 | Value += AlignmentMask;\r | |
329 | }\r | |
330 | return Value & (~AlignmentMask);\r | |
331 | }\r | |
332 | \r | |
28a00297 | 333 | \r |
162ed594 | 334 | /**\r |
28a00297 | 335 | Aligns address to the page boundary.\r |
336 | \r | |
022c6d45 | 337 | @param Value 64 bit address to align\r |
28a00297 | 338 | \r |
162ed594 | 339 | @return A 64 bit value is the aligned to the value nearest Value with an alignment by Alignment.\r |
28a00297 | 340 | \r |
162ed594 | 341 | **/\r |
28a00297 | 342 | UINT64\r |
162ed594 | 343 | PageAlignAddress (\r |
28a00297 | 344 | IN UINT64 Value\r |
345 | )\r | |
162ed594 | 346 | {\r |
347 | return AlignValue (Value, EFI_PAGE_SHIFT, TRUE);\r | |
348 | }\r | |
28a00297 | 349 | \r |
28a00297 | 350 | \r |
162ed594 | 351 | /**\r |
28a00297 | 352 | Aligns length to the page boundary.\r |
353 | \r | |
022c6d45 | 354 | @param Value 64 bit length to align\r |
28a00297 | 355 | \r |
162ed594 | 356 | @return A 64 bit value is the aligned to the value nearest Value with an alignment by Alignment.\r |
28a00297 | 357 | \r |
162ed594 | 358 | **/\r |
162ed594 | 359 | UINT64\r |
360 | PageAlignLength (\r | |
361 | IN UINT64 Value\r | |
362 | )\r | |
28a00297 | 363 | {\r |
364 | return AlignValue (Value, EFI_PAGE_SHIFT, FALSE);\r | |
365 | }\r | |
366 | \r | |
367 | //\r | |
368 | // GCD Memory Space Worker Functions\r | |
369 | //\r | |
162ed594 | 370 | \r |
371 | /**\r | |
372 | Allocate pool for two entries.\r | |
373 | \r | |
022c6d45 | 374 | @param TopEntry An entry of GCD map\r |
375 | @param BottomEntry An entry of GCD map\r | |
162ed594 | 376 | \r |
022c6d45 | 377 | @retval EFI_OUT_OF_RESOURCES No enough buffer to be allocated.\r |
162ed594 | 378 | @retval EFI_SUCCESS Both entries successfully allocated.\r |
379 | \r | |
380 | **/\r | |
28a00297 | 381 | EFI_STATUS\r |
382 | CoreAllocateGcdMapEntry (\r | |
383 | IN OUT EFI_GCD_MAP_ENTRY **TopEntry,\r | |
384 | IN OUT EFI_GCD_MAP_ENTRY **BottomEntry\r | |
385 | )\r | |
28a00297 | 386 | {\r |
7fef06af JW |
387 | //\r |
388 | // Set to mOnGuarding to TRUE before memory allocation. This will make sure\r | |
389 | // that the entry memory is not "guarded" by HeapGuard. Otherwise it might\r | |
390 | // cause problem when it's freed (if HeapGuard is enabled).\r | |
391 | //\r | |
392 | mOnGuarding = TRUE;\r | |
9c4ac31c | 393 | *TopEntry = AllocateZeroPool (sizeof (EFI_GCD_MAP_ENTRY));\r |
7fef06af | 394 | mOnGuarding = FALSE;\r |
28a00297 | 395 | if (*TopEntry == NULL) {\r |
396 | return EFI_OUT_OF_RESOURCES;\r | |
397 | }\r | |
398 | \r | |
7fef06af | 399 | mOnGuarding = TRUE;\r |
9c4ac31c | 400 | *BottomEntry = AllocateZeroPool (sizeof (EFI_GCD_MAP_ENTRY));\r |
7fef06af | 401 | mOnGuarding = FALSE;\r |
28a00297 | 402 | if (*BottomEntry == NULL) {\r |
403 | CoreFreePool (*TopEntry);\r | |
404 | return EFI_OUT_OF_RESOURCES;\r | |
405 | }\r | |
406 | \r | |
407 | return EFI_SUCCESS;\r | |
408 | }\r | |
409 | \r | |
162ed594 | 410 | \r |
411 | /**\r | |
412 | Internal function. Inserts a new descriptor into a sorted list\r | |
413 | \r | |
022c6d45 | 414 | @param Link The linked list to insert the range BaseAddress\r |
415 | and Length into\r | |
416 | @param Entry A pointer to the entry that is inserted\r | |
417 | @param BaseAddress The base address of the new range\r | |
418 | @param Length The length of the new range in bytes\r | |
419 | @param TopEntry Top pad entry to insert if needed.\r | |
420 | @param BottomEntry Bottom pad entry to insert if needed.\r | |
162ed594 | 421 | \r |
422 | @retval EFI_SUCCESS The new range was inserted into the linked list\r | |
423 | \r | |
424 | **/\r | |
28a00297 | 425 | EFI_STATUS\r |
426 | CoreInsertGcdMapEntry (\r | |
427 | IN LIST_ENTRY *Link,\r | |
428 | IN EFI_GCD_MAP_ENTRY *Entry,\r | |
429 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
430 | IN UINT64 Length,\r | |
431 | IN EFI_GCD_MAP_ENTRY *TopEntry,\r | |
432 | IN EFI_GCD_MAP_ENTRY *BottomEntry\r | |
433 | )\r | |
28a00297 | 434 | {\r |
435 | ASSERT (Length != 0);\r | |
28a00297 | 436 | \r |
437 | if (BaseAddress > Entry->BaseAddress) {\r | |
f75316c3 | 438 | ASSERT (BottomEntry->Signature == 0);\r |
439 | \r | |
28a00297 | 440 | CopyMem (BottomEntry, Entry, sizeof (EFI_GCD_MAP_ENTRY));\r |
441 | Entry->BaseAddress = BaseAddress;\r | |
442 | BottomEntry->EndAddress = BaseAddress - 1;\r | |
443 | InsertTailList (Link, &BottomEntry->Link);\r | |
022c6d45 | 444 | }\r |
28a00297 | 445 | \r |
446 | if ((BaseAddress + Length - 1) < Entry->EndAddress) {\r | |
f75316c3 | 447 | ASSERT (TopEntry->Signature == 0);\r |
448 | \r | |
28a00297 | 449 | CopyMem (TopEntry, Entry, sizeof (EFI_GCD_MAP_ENTRY));\r |
450 | TopEntry->BaseAddress = BaseAddress + Length;\r | |
451 | Entry->EndAddress = BaseAddress + Length - 1;\r | |
452 | InsertHeadList (Link, &TopEntry->Link);\r | |
453 | }\r | |
454 | \r | |
455 | return EFI_SUCCESS;\r | |
456 | }\r | |
457 | \r | |
162ed594 | 458 | \r |
459 | /**\r | |
e94a9ff7 | 460 | Merge the Gcd region specified by Link and its adjacent entry.\r |
162ed594 | 461 | \r |
022c6d45 | 462 | @param Link Specify the entry to be merged (with its\r |
463 | adjacent entry).\r | |
464 | @param Forward Direction (forward or backward).\r | |
465 | @param Map Boundary.\r | |
162ed594 | 466 | \r |
022c6d45 | 467 | @retval EFI_SUCCESS Successfully returned.\r |
162ed594 | 468 | @retval EFI_UNSUPPORTED These adjacent regions could not merge.\r |
469 | \r | |
470 | **/\r | |
28a00297 | 471 | EFI_STATUS\r |
472 | CoreMergeGcdMapEntry (\r | |
473 | IN LIST_ENTRY *Link,\r | |
474 | IN BOOLEAN Forward,\r | |
475 | IN LIST_ENTRY *Map\r | |
476 | )\r | |
28a00297 | 477 | {\r |
478 | LIST_ENTRY *AdjacentLink;\r | |
479 | EFI_GCD_MAP_ENTRY *Entry;\r | |
480 | EFI_GCD_MAP_ENTRY *AdjacentEntry;\r | |
481 | \r | |
482 | //\r | |
483 | // Get adjacent entry\r | |
484 | //\r | |
485 | if (Forward) {\r | |
486 | AdjacentLink = Link->ForwardLink;\r | |
487 | } else {\r | |
488 | AdjacentLink = Link->BackLink;\r | |
489 | }\r | |
490 | \r | |
491 | //\r | |
492 | // If AdjacentLink is the head of the list, then no merge can be performed\r | |
493 | //\r | |
494 | if (AdjacentLink == Map) {\r | |
495 | return EFI_SUCCESS;\r | |
496 | }\r | |
497 | \r | |
498 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
499 | AdjacentEntry = CR (AdjacentLink, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
500 | \r | |
501 | if (Entry->Capabilities != AdjacentEntry->Capabilities) {\r | |
502 | return EFI_UNSUPPORTED;\r | |
503 | }\r | |
504 | if (Entry->Attributes != AdjacentEntry->Attributes) {\r | |
505 | return EFI_UNSUPPORTED;\r | |
506 | }\r | |
507 | if (Entry->GcdMemoryType != AdjacentEntry->GcdMemoryType) {\r | |
508 | return EFI_UNSUPPORTED;\r | |
509 | }\r | |
510 | if (Entry->GcdIoType != AdjacentEntry->GcdIoType) {\r | |
511 | return EFI_UNSUPPORTED;\r | |
512 | }\r | |
513 | if (Entry->ImageHandle != AdjacentEntry->ImageHandle) {\r | |
514 | return EFI_UNSUPPORTED;\r | |
515 | }\r | |
516 | if (Entry->DeviceHandle != AdjacentEntry->DeviceHandle) {\r | |
517 | return EFI_UNSUPPORTED;\r | |
518 | }\r | |
519 | \r | |
520 | if (Forward) {\r | |
521 | Entry->EndAddress = AdjacentEntry->EndAddress;\r | |
522 | } else {\r | |
523 | Entry->BaseAddress = AdjacentEntry->BaseAddress;\r | |
524 | }\r | |
525 | RemoveEntryList (AdjacentLink);\r | |
526 | CoreFreePool (AdjacentEntry);\r | |
527 | \r | |
528 | return EFI_SUCCESS;\r | |
529 | }\r | |
530 | \r | |
162ed594 | 531 | \r |
532 | /**\r | |
533 | Merge adjacent entries on total chain.\r | |
534 | \r | |
022c6d45 | 535 | @param TopEntry Top entry of GCD map.\r |
536 | @param BottomEntry Bottom entry of GCD map.\r | |
537 | @param StartLink Start link of the list for this loop.\r | |
538 | @param EndLink End link of the list for this loop.\r | |
539 | @param Map Boundary.\r | |
162ed594 | 540 | \r |
541 | @retval EFI_SUCCESS GCD map successfully cleaned up.\r | |
542 | \r | |
543 | **/\r | |
28a00297 | 544 | EFI_STATUS\r |
545 | CoreCleanupGcdMapEntry (\r | |
546 | IN EFI_GCD_MAP_ENTRY *TopEntry,\r | |
547 | IN EFI_GCD_MAP_ENTRY *BottomEntry,\r | |
548 | IN LIST_ENTRY *StartLink,\r | |
549 | IN LIST_ENTRY *EndLink,\r | |
550 | IN LIST_ENTRY *Map\r | |
551 | )\r | |
28a00297 | 552 | {\r |
553 | LIST_ENTRY *Link;\r | |
554 | \r | |
555 | if (TopEntry->Signature == 0) {\r | |
556 | CoreFreePool (TopEntry);\r | |
557 | }\r | |
558 | if (BottomEntry->Signature == 0) {\r | |
559 | CoreFreePool (BottomEntry);\r | |
560 | }\r | |
561 | \r | |
562 | Link = StartLink;\r | |
563 | while (Link != EndLink->ForwardLink) {\r | |
564 | CoreMergeGcdMapEntry (Link, FALSE, Map);\r | |
565 | Link = Link->ForwardLink;\r | |
566 | }\r | |
567 | CoreMergeGcdMapEntry (EndLink, TRUE, Map);\r | |
568 | \r | |
569 | return EFI_SUCCESS;\r | |
570 | }\r | |
571 | \r | |
162ed594 | 572 | \r |
573 | /**\r | |
574 | Search a segment of memory space in GCD map. The result is a range of GCD entry list.\r | |
575 | \r | |
022c6d45 | 576 | @param BaseAddress The start address of the segment.\r |
577 | @param Length The length of the segment.\r | |
578 | @param StartLink The first GCD entry involves this segment of\r | |
579 | memory space.\r | |
580 | @param EndLink The first GCD entry involves this segment of\r | |
581 | memory space.\r | |
582 | @param Map Points to the start entry to search.\r | |
162ed594 | 583 | \r |
022c6d45 | 584 | @retval EFI_SUCCESS Successfully found the entry.\r |
162ed594 | 585 | @retval EFI_NOT_FOUND Not found.\r |
586 | \r | |
587 | **/\r | |
28a00297 | 588 | EFI_STATUS\r |
589 | CoreSearchGcdMapEntry (\r | |
590 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
591 | IN UINT64 Length,\r | |
592 | OUT LIST_ENTRY **StartLink,\r | |
593 | OUT LIST_ENTRY **EndLink,\r | |
594 | IN LIST_ENTRY *Map\r | |
595 | )\r | |
28a00297 | 596 | {\r |
597 | LIST_ENTRY *Link;\r | |
598 | EFI_GCD_MAP_ENTRY *Entry;\r | |
599 | \r | |
600 | ASSERT (Length != 0);\r | |
601 | \r | |
602 | *StartLink = NULL;\r | |
603 | *EndLink = NULL;\r | |
604 | \r | |
605 | Link = Map->ForwardLink;\r | |
606 | while (Link != Map) {\r | |
607 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
608 | if (BaseAddress >= Entry->BaseAddress && BaseAddress <= Entry->EndAddress) {\r | |
609 | *StartLink = Link;\r | |
610 | }\r | |
611 | if (*StartLink != NULL) {\r | |
022c6d45 | 612 | if ((BaseAddress + Length - 1) >= Entry->BaseAddress &&\r |
28a00297 | 613 | (BaseAddress + Length - 1) <= Entry->EndAddress ) {\r |
614 | *EndLink = Link;\r | |
615 | return EFI_SUCCESS;\r | |
616 | }\r | |
617 | }\r | |
618 | Link = Link->ForwardLink;\r | |
619 | }\r | |
e94a9ff7 | 620 | \r |
28a00297 | 621 | return EFI_NOT_FOUND;\r |
622 | }\r | |
623 | \r | |
28a00297 | 624 | \r |
162ed594 | 625 | /**\r |
28a00297 | 626 | Count the amount of GCD map entries.\r |
627 | \r | |
022c6d45 | 628 | @param Map Points to the start entry to do the count loop.\r |
28a00297 | 629 | \r |
162ed594 | 630 | @return The count.\r |
28a00297 | 631 | \r |
162ed594 | 632 | **/\r |
162ed594 | 633 | UINTN\r |
634 | CoreCountGcdMapEntry (\r | |
635 | IN LIST_ENTRY *Map\r | |
636 | )\r | |
28a00297 | 637 | {\r |
638 | UINTN Count;\r | |
639 | LIST_ENTRY *Link;\r | |
640 | \r | |
641 | Count = 0;\r | |
642 | Link = Map->ForwardLink;\r | |
643 | while (Link != Map) {\r | |
644 | Count++;\r | |
645 | Link = Link->ForwardLink;\r | |
646 | }\r | |
022c6d45 | 647 | \r |
28a00297 | 648 | return Count;\r |
649 | }\r | |
650 | \r | |
651 | \r | |
28a00297 | 652 | \r |
162ed594 | 653 | /**\r |
28a00297 | 654 | Return the memory attribute specified by Attributes\r |
655 | \r | |
022c6d45 | 656 | @param Attributes A num with some attribute bits on.\r |
28a00297 | 657 | \r |
162ed594 | 658 | @return The enum value of memory attribute.\r |
28a00297 | 659 | \r |
162ed594 | 660 | **/\r |
162ed594 | 661 | UINT64\r |
662 | ConverToCpuArchAttributes (\r | |
663 | UINT64 Attributes\r | |
23c98c94 | 664 | )\r |
28a00297 | 665 | {\r |
14dde9e9 | 666 | UINT64 CpuArchAttributes;\r |
28a00297 | 667 | \r |
14dde9e9 | 668 | CpuArchAttributes = Attributes & NONEXCLUSIVE_MEMORY_ATTRIBUTES;\r |
28a00297 | 669 | \r |
14dde9e9 JW |
670 | if ( (Attributes & EFI_MEMORY_UC) == EFI_MEMORY_UC) {\r |
671 | CpuArchAttributes |= EFI_MEMORY_UC;\r | |
672 | } else if ( (Attributes & EFI_MEMORY_WC ) == EFI_MEMORY_WC) {\r | |
673 | CpuArchAttributes |= EFI_MEMORY_WC;\r | |
674 | } else if ( (Attributes & EFI_MEMORY_WT ) == EFI_MEMORY_WT) {\r | |
675 | CpuArchAttributes |= EFI_MEMORY_WT;\r | |
676 | } else if ( (Attributes & EFI_MEMORY_WB) == EFI_MEMORY_WB) {\r | |
677 | CpuArchAttributes |= EFI_MEMORY_WB;\r | |
678 | } else if ( (Attributes & EFI_MEMORY_UCE) == EFI_MEMORY_UCE) {\r | |
679 | CpuArchAttributes |= EFI_MEMORY_UCE;\r | |
680 | } else if ( (Attributes & EFI_MEMORY_WP) == EFI_MEMORY_WP) {\r | |
681 | CpuArchAttributes |= EFI_MEMORY_WP;\r | |
28a00297 | 682 | }\r |
683 | \r | |
14dde9e9 | 684 | return CpuArchAttributes;\r |
28a00297 | 685 | }\r |
686 | \r | |
162ed594 | 687 | \r |
688 | /**\r | |
689 | Do operation on a segment of memory space specified (add, free, remove, change attribute ...).\r | |
690 | \r | |
022c6d45 | 691 | @param Operation The type of the operation\r |
692 | @param GcdMemoryType Additional information for the operation\r | |
693 | @param GcdIoType Additional information for the operation\r | |
694 | @param BaseAddress Start address of the segment\r | |
695 | @param Length length of the segment\r | |
696 | @param Capabilities The alterable attributes of a newly added entry\r | |
697 | @param Attributes The attributes needs to be set\r | |
698 | \r | |
699 | @retval EFI_INVALID_PARAMETER Length is 0 or address (length) not aligned when\r | |
700 | setting attribute.\r | |
701 | @retval EFI_SUCCESS Action successfully done.\r | |
702 | @retval EFI_UNSUPPORTED Could not find the proper descriptor on this\r | |
703 | segment or set an upsupported attribute.\r | |
704 | @retval EFI_ACCESS_DENIED Operate on an space non-exist or is used for an\r | |
705 | image.\r | |
706 | @retval EFI_NOT_FOUND Free a non-using space or remove a non-exist\r | |
707 | space, and so on.\r | |
162ed594 | 708 | @retval EFI_OUT_OF_RESOURCES No buffer could be allocated.\r |
fc8ff20f | 709 | @retval EFI_NOT_AVAILABLE_YET The attributes cannot be set because CPU architectural protocol\r |
710 | is not available yet.\r | |
162ed594 | 711 | **/\r |
28a00297 | 712 | EFI_STATUS\r |
713 | CoreConvertSpace (\r | |
714 | IN UINTN Operation,\r | |
715 | IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
716 | IN EFI_GCD_IO_TYPE GcdIoType,\r | |
717 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
718 | IN UINT64 Length,\r | |
719 | IN UINT64 Capabilities,\r | |
720 | IN UINT64 Attributes\r | |
721 | )\r | |
28a00297 | 722 | {\r |
723 | EFI_STATUS Status;\r | |
724 | LIST_ENTRY *Map;\r | |
725 | LIST_ENTRY *Link;\r | |
726 | EFI_GCD_MAP_ENTRY *Entry;\r | |
727 | EFI_GCD_MAP_ENTRY *TopEntry;\r | |
728 | EFI_GCD_MAP_ENTRY *BottomEntry;\r | |
729 | LIST_ENTRY *StartLink;\r | |
730 | LIST_ENTRY *EndLink;\r | |
f9d1f97c | 731 | UINT64 CpuArchAttributes;\r |
28a00297 | 732 | \r |
733 | if (Length == 0) {\r | |
aa927cae | 734 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 735 | return EFI_INVALID_PARAMETER;\r |
736 | }\r | |
737 | \r | |
738 | Map = NULL;\r | |
71f68914 | 739 | if ((Operation & GCD_MEMORY_SPACE_OPERATION) != 0) {\r |
28a00297 | 740 | CoreAcquireGcdMemoryLock ();\r |
741 | Map = &mGcdMemorySpaceMap;\r | |
fbbb4211 | 742 | } else if ((Operation & GCD_IO_SPACE_OPERATION) != 0) {\r |
28a00297 | 743 | CoreAcquireGcdIoLock ();\r |
744 | Map = &mGcdIoSpaceMap;\r | |
fbbb4211 | 745 | } else {\r |
746 | ASSERT (FALSE);\r | |
28a00297 | 747 | }\r |
748 | \r | |
749 | //\r | |
750 | // Search for the list of descriptors that cover the range BaseAddress to BaseAddress+Length\r | |
751 | //\r | |
752 | Status = CoreSearchGcdMapEntry (BaseAddress, Length, &StartLink, &EndLink, Map);\r | |
753 | if (EFI_ERROR (Status)) {\r | |
754 | Status = EFI_UNSUPPORTED;\r | |
755 | \r | |
756 | goto Done;\r | |
757 | }\r | |
d2fbaaab | 758 | ASSERT (StartLink != NULL && EndLink != NULL);\r |
28a00297 | 759 | \r |
760 | //\r | |
761 | // Verify that the list of descriptors are unallocated non-existent memory.\r | |
762 | //\r | |
763 | Link = StartLink;\r | |
764 | while (Link != EndLink->ForwardLink) {\r | |
765 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
766 | switch (Operation) {\r | |
767 | //\r | |
768 | // Add operations\r | |
769 | //\r | |
770 | case GCD_ADD_MEMORY_OPERATION:\r | |
771 | if (Entry->GcdMemoryType != EfiGcdMemoryTypeNonExistent ||\r | |
772 | Entry->ImageHandle != NULL ) {\r | |
773 | Status = EFI_ACCESS_DENIED;\r | |
774 | goto Done;\r | |
775 | }\r | |
776 | break;\r | |
777 | case GCD_ADD_IO_OPERATION:\r | |
778 | if (Entry->GcdIoType != EfiGcdIoTypeNonExistent ||\r | |
779 | Entry->ImageHandle != NULL ) {\r | |
780 | Status = EFI_ACCESS_DENIED;\r | |
781 | goto Done;\r | |
782 | }\r | |
783 | break;\r | |
784 | //\r | |
785 | // Free operations\r | |
786 | //\r | |
787 | case GCD_FREE_MEMORY_OPERATION:\r | |
788 | case GCD_FREE_IO_OPERATION:\r | |
789 | if (Entry->ImageHandle == NULL) {\r | |
790 | Status = EFI_NOT_FOUND;\r | |
791 | goto Done;\r | |
792 | }\r | |
793 | break;\r | |
794 | //\r | |
795 | // Remove operations\r | |
796 | //\r | |
797 | case GCD_REMOVE_MEMORY_OPERATION:\r | |
798 | if (Entry->GcdMemoryType == EfiGcdMemoryTypeNonExistent) {\r | |
799 | Status = EFI_NOT_FOUND;\r | |
800 | goto Done;\r | |
801 | }\r | |
802 | if (Entry->ImageHandle != NULL) {\r | |
803 | Status = EFI_ACCESS_DENIED;\r | |
804 | goto Done;\r | |
805 | }\r | |
806 | break;\r | |
807 | case GCD_REMOVE_IO_OPERATION:\r | |
808 | if (Entry->GcdIoType == EfiGcdIoTypeNonExistent) {\r | |
809 | Status = EFI_NOT_FOUND;\r | |
810 | goto Done;\r | |
811 | }\r | |
812 | if (Entry->ImageHandle != NULL) {\r | |
813 | Status = EFI_ACCESS_DENIED;\r | |
814 | goto Done;\r | |
815 | }\r | |
816 | break;\r | |
817 | //\r | |
771ee501 | 818 | // Set attributes operation\r |
28a00297 | 819 | //\r |
820 | case GCD_SET_ATTRIBUTES_MEMORY_OPERATION:\r | |
71f68914 | 821 | if ((Attributes & EFI_MEMORY_RUNTIME) != 0) {\r |
28a00297 | 822 | if ((BaseAddress & EFI_PAGE_MASK) != 0 || (Length & EFI_PAGE_MASK) != 0) {\r |
823 | Status = EFI_INVALID_PARAMETER;\r | |
28a00297 | 824 | goto Done;\r |
825 | }\r | |
826 | }\r | |
827 | if ((Entry->Capabilities & Attributes) != Attributes) {\r | |
828 | Status = EFI_UNSUPPORTED;\r | |
829 | goto Done;\r | |
830 | }\r | |
831 | break;\r | |
736a692e HT |
832 | //\r |
833 | // Set capabilities operation\r | |
834 | //\r | |
835 | case GCD_SET_CAPABILITIES_MEMORY_OPERATION:\r | |
836 | if ((BaseAddress & EFI_PAGE_MASK) != 0 || (Length & EFI_PAGE_MASK) != 0) {\r | |
837 | Status = EFI_INVALID_PARAMETER;\r | |
838 | \r | |
839 | goto Done;\r | |
771ee501 | 840 | }\r |
736a692e | 841 | //\r |
771ee501 | 842 | // Current attributes must still be supported with new capabilities\r |
736a692e HT |
843 | //\r |
844 | if ((Capabilities & Entry->Attributes) != Entry->Attributes) {\r | |
845 | Status = EFI_UNSUPPORTED;\r | |
846 | goto Done;\r | |
847 | }\r | |
771ee501 | 848 | break;\r |
28a00297 | 849 | }\r |
850 | Link = Link->ForwardLink;\r | |
851 | }\r | |
852 | \r | |
853 | //\r | |
854 | // Allocate work space to perform this operation\r | |
855 | //\r | |
856 | Status = CoreAllocateGcdMapEntry (&TopEntry, &BottomEntry);\r | |
857 | if (EFI_ERROR (Status)) {\r | |
858 | Status = EFI_OUT_OF_RESOURCES;\r | |
859 | goto Done;\r | |
860 | }\r | |
d2fbaaab | 861 | ASSERT (TopEntry != NULL && BottomEntry != NULL);\r |
28a00297 | 862 | \r |
e037e88c SZ |
863 | //\r |
864 | // Initialize CpuArchAttributes to suppress incorrect compiler/analyzer warnings.\r | |
865 | //\r | |
866 | CpuArchAttributes = 0;\r | |
28a00297 | 867 | if (Operation == GCD_SET_ATTRIBUTES_MEMORY_OPERATION) {\r |
868 | //\r | |
869 | // Call CPU Arch Protocol to attempt to set attributes on the range\r | |
870 | //\r | |
871 | CpuArchAttributes = ConverToCpuArchAttributes (Attributes);\r | |
0c9f2cb1 | 872 | //\r |
d1102dba | 873 | // CPU arch attributes include page attributes and cache attributes.\r |
0c9f2cb1 KM |
874 | // Only page attributes supports to be cleared, but not cache attributes.\r |
875 | // Caller is expected to use GetMemorySpaceDescriptor() to get the current\r | |
876 | // attributes, AND/OR attributes, and then calls SetMemorySpaceAttributes()\r | |
877 | // to set the new attributes.\r | |
878 | // So 0 CPU arch attributes should not happen as memory should always have\r | |
d1102dba | 879 | // a cache attribute (no matter UC or WB, etc).\r |
0c9f2cb1 KM |
880 | //\r |
881 | // Here, 0 CPU arch attributes will be filtered to be compatible with the\r | |
882 | // case that caller just calls SetMemorySpaceAttributes() with none CPU\r | |
883 | // arch attributes (for example, RUNTIME) as the purpose of the case is not\r | |
884 | // to clear CPU arch attributes.\r | |
885 | //\r | |
886 | if (CpuArchAttributes != 0) {\r | |
fc8ff20f | 887 | if (gCpu == NULL) {\r |
888 | Status = EFI_NOT_AVAILABLE_YET;\r | |
889 | } else {\r | |
f9d1f97c | 890 | Status = gCpu->SetMemoryAttributes (\r |
891 | gCpu,\r | |
892 | BaseAddress,\r | |
893 | Length,\r | |
894 | CpuArchAttributes\r | |
895 | );\r | |
fc8ff20f | 896 | }\r |
897 | if (EFI_ERROR (Status)) {\r | |
898 | CoreFreePool (TopEntry);\r | |
899 | CoreFreePool (BottomEntry);\r | |
900 | goto Done;\r | |
28a00297 | 901 | }\r |
902 | }\r | |
28a00297 | 903 | }\r |
904 | \r | |
905 | //\r | |
906 | // Convert/Insert the list of descriptors from StartLink to EndLink\r | |
907 | //\r | |
908 | Link = StartLink;\r | |
909 | while (Link != EndLink->ForwardLink) {\r | |
910 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
911 | CoreInsertGcdMapEntry (Link, Entry, BaseAddress, Length, TopEntry, BottomEntry);\r | |
912 | switch (Operation) {\r | |
913 | //\r | |
914 | // Add operations\r | |
915 | //\r | |
916 | case GCD_ADD_MEMORY_OPERATION:\r | |
917 | Entry->GcdMemoryType = GcdMemoryType;\r | |
918 | if (GcdMemoryType == EfiGcdMemoryTypeMemoryMappedIo) {\r | |
919 | Entry->Capabilities = Capabilities | EFI_MEMORY_RUNTIME | EFI_MEMORY_PORT_IO;\r | |
920 | } else {\r | |
921 | Entry->Capabilities = Capabilities | EFI_MEMORY_RUNTIME;\r | |
922 | }\r | |
923 | break;\r | |
924 | case GCD_ADD_IO_OPERATION:\r | |
925 | Entry->GcdIoType = GcdIoType;\r | |
926 | break;\r | |
927 | //\r | |
928 | // Free operations\r | |
929 | //\r | |
930 | case GCD_FREE_MEMORY_OPERATION:\r | |
931 | case GCD_FREE_IO_OPERATION:\r | |
932 | Entry->ImageHandle = NULL;\r | |
933 | Entry->DeviceHandle = NULL;\r | |
934 | break;\r | |
935 | //\r | |
936 | // Remove operations\r | |
937 | //\r | |
938 | case GCD_REMOVE_MEMORY_OPERATION:\r | |
939 | Entry->GcdMemoryType = EfiGcdMemoryTypeNonExistent;\r | |
940 | Entry->Capabilities = 0;\r | |
941 | break;\r | |
942 | case GCD_REMOVE_IO_OPERATION:\r | |
943 | Entry->GcdIoType = EfiGcdIoTypeNonExistent;\r | |
944 | break;\r | |
945 | //\r | |
771ee501 | 946 | // Set attributes operation\r |
28a00297 | 947 | //\r |
948 | case GCD_SET_ATTRIBUTES_MEMORY_OPERATION:\r | |
0c9f2cb1 KM |
949 | if (CpuArchAttributes == 0) {\r |
950 | //\r | |
951 | // Keep original CPU arch attributes when caller just calls\r | |
952 | // SetMemorySpaceAttributes() with none CPU arch attributes (for example, RUNTIME).\r | |
953 | //\r | |
954 | Attributes |= (Entry->Attributes & (EXCLUSIVE_MEMORY_ATTRIBUTES | NONEXCLUSIVE_MEMORY_ATTRIBUTES));\r | |
955 | }\r | |
28a00297 | 956 | Entry->Attributes = Attributes;\r |
957 | break;\r | |
771ee501 EC |
958 | //\r |
959 | // Set capabilities operation\r | |
960 | //\r | |
736a692e HT |
961 | case GCD_SET_CAPABILITIES_MEMORY_OPERATION:\r |
962 | Entry->Capabilities = Capabilities;\r | |
771ee501 | 963 | break;\r |
28a00297 | 964 | }\r |
965 | Link = Link->ForwardLink;\r | |
966 | }\r | |
967 | \r | |
968 | //\r | |
969 | // Cleanup\r | |
970 | //\r | |
971 | Status = CoreCleanupGcdMapEntry (TopEntry, BottomEntry, StartLink, EndLink, Map);\r | |
972 | \r | |
973 | Done:\r | |
aa927cae | 974 | DEBUG ((DEBUG_GCD, " Status = %r\n", Status));\r |
f9d1f97c | 975 | \r |
71f68914 | 976 | if ((Operation & GCD_MEMORY_SPACE_OPERATION) != 0) {\r |
28a00297 | 977 | CoreReleaseGcdMemoryLock ();\r |
aa927cae | 978 | CoreDumpGcdMemorySpaceMap (FALSE);\r |
28a00297 | 979 | }\r |
71f68914 | 980 | if ((Operation & GCD_IO_SPACE_OPERATION) != 0) {\r |
28a00297 | 981 | CoreReleaseGcdIoLock ();\r |
aa927cae | 982 | CoreDumpGcdIoSpaceMap (FALSE);\r |
28a00297 | 983 | }\r |
984 | \r | |
985 | return Status;\r | |
986 | }\r | |
987 | \r | |
162ed594 | 988 | \r |
989 | /**\r | |
990 | Check whether an entry could be used to allocate space.\r | |
991 | \r | |
022c6d45 | 992 | @param Operation Allocate memory or IO\r |
993 | @param Entry The entry to be tested\r | |
994 | @param GcdMemoryType The desired memory type\r | |
995 | @param GcdIoType The desired IO type\r | |
162ed594 | 996 | \r |
022c6d45 | 997 | @retval EFI_NOT_FOUND The memory type does not match or there's an\r |
998 | image handle on the entry.\r | |
999 | @retval EFI_UNSUPPORTED The operation unsupported.\r | |
1000 | @retval EFI_SUCCESS It's ok for this entry to be used to allocate\r | |
162ed594 | 1001 | space.\r |
1002 | \r | |
1003 | **/\r | |
28a00297 | 1004 | EFI_STATUS\r |
1005 | CoreAllocateSpaceCheckEntry (\r | |
1006 | IN UINTN Operation,\r | |
1007 | IN EFI_GCD_MAP_ENTRY *Entry,\r | |
1008 | IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
1009 | IN EFI_GCD_IO_TYPE GcdIoType\r | |
1010 | )\r | |
28a00297 | 1011 | {\r |
1012 | if (Entry->ImageHandle != NULL) {\r | |
1013 | return EFI_NOT_FOUND;\r | |
1014 | }\r | |
1015 | switch (Operation) {\r | |
1016 | case GCD_ALLOCATE_MEMORY_OPERATION:\r | |
1017 | if (Entry->GcdMemoryType != GcdMemoryType) {\r | |
1018 | return EFI_NOT_FOUND;\r | |
1019 | }\r | |
1020 | break;\r | |
1021 | case GCD_ALLOCATE_IO_OPERATION:\r | |
1022 | if (Entry->GcdIoType != GcdIoType) {\r | |
1023 | return EFI_NOT_FOUND;\r | |
1024 | }\r | |
1025 | break;\r | |
1026 | default:\r | |
1027 | return EFI_UNSUPPORTED;\r | |
1028 | }\r | |
1029 | return EFI_SUCCESS;\r | |
1030 | }\r | |
1031 | \r | |
162ed594 | 1032 | \r |
1033 | /**\r | |
1034 | Allocate space on specified address and length.\r | |
1035 | \r | |
022c6d45 | 1036 | @param Operation The type of operation (memory or IO)\r |
1037 | @param GcdAllocateType The type of allocate operation\r | |
1038 | @param GcdMemoryType The desired memory type\r | |
1039 | @param GcdIoType The desired IO type\r | |
1040 | @param Alignment Align with 2^Alignment\r | |
1041 | @param Length Length to allocate\r | |
1042 | @param BaseAddress Base address to allocate\r | |
1043 | @param ImageHandle The image handle consume the allocated space.\r | |
1044 | @param DeviceHandle The device handle consume the allocated space.\r | |
1045 | \r | |
1046 | @retval EFI_INVALID_PARAMETER Invalid parameter.\r | |
1047 | @retval EFI_NOT_FOUND No descriptor for the desired space exists.\r | |
162ed594 | 1048 | @retval EFI_SUCCESS Space successfully allocated.\r |
1049 | \r | |
1050 | **/\r | |
28a00297 | 1051 | EFI_STATUS\r |
1052 | CoreAllocateSpace (\r | |
1053 | IN UINTN Operation,\r | |
1054 | IN EFI_GCD_ALLOCATE_TYPE GcdAllocateType,\r | |
1055 | IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
1056 | IN EFI_GCD_IO_TYPE GcdIoType,\r | |
1057 | IN UINTN Alignment,\r | |
1058 | IN UINT64 Length,\r | |
1059 | IN OUT EFI_PHYSICAL_ADDRESS *BaseAddress,\r | |
1060 | IN EFI_HANDLE ImageHandle,\r | |
1061 | IN EFI_HANDLE DeviceHandle OPTIONAL\r | |
1062 | )\r | |
28a00297 | 1063 | {\r |
1064 | EFI_STATUS Status;\r | |
1065 | EFI_PHYSICAL_ADDRESS AlignmentMask;\r | |
1066 | EFI_PHYSICAL_ADDRESS MaxAddress;\r | |
1067 | LIST_ENTRY *Map;\r | |
1068 | LIST_ENTRY *Link;\r | |
1069 | LIST_ENTRY *SubLink;\r | |
1070 | EFI_GCD_MAP_ENTRY *Entry;\r | |
1071 | EFI_GCD_MAP_ENTRY *TopEntry;\r | |
1072 | EFI_GCD_MAP_ENTRY *BottomEntry;\r | |
1073 | LIST_ENTRY *StartLink;\r | |
1074 | LIST_ENTRY *EndLink;\r | |
1075 | BOOLEAN Found;\r | |
1076 | \r | |
1077 | //\r | |
1078 | // Make sure parameters are valid\r | |
1079 | //\r | |
3d78c020 | 1080 | if ((UINT32)GcdAllocateType >= EfiGcdMaxAllocateType) {\r |
aa927cae | 1081 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 1082 | return EFI_INVALID_PARAMETER;\r |
1083 | }\r | |
3d78c020 | 1084 | if ((UINT32)GcdMemoryType >= EfiGcdMemoryTypeMaximum) {\r |
aa927cae | 1085 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 1086 | return EFI_INVALID_PARAMETER;\r |
1087 | }\r | |
3d78c020 | 1088 | if ((UINT32)GcdIoType >= EfiGcdIoTypeMaximum) {\r |
aa927cae | 1089 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 1090 | return EFI_INVALID_PARAMETER;\r |
1091 | }\r | |
1092 | if (BaseAddress == NULL) {\r | |
aa927cae | 1093 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 1094 | return EFI_INVALID_PARAMETER;\r |
1095 | }\r | |
1096 | if (ImageHandle == NULL) {\r | |
aa927cae | 1097 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 1098 | return EFI_INVALID_PARAMETER;\r |
1099 | }\r | |
1100 | if (Alignment >= 64) {\r | |
aa927cae | 1101 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_NOT_FOUND));\r |
28a00297 | 1102 | return EFI_NOT_FOUND;\r |
1103 | }\r | |
1104 | if (Length == 0) {\r | |
aa927cae | 1105 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 1106 | return EFI_INVALID_PARAMETER;\r |
1107 | }\r | |
1108 | \r | |
1109 | Map = NULL;\r | |
71f68914 | 1110 | if ((Operation & GCD_MEMORY_SPACE_OPERATION) != 0) {\r |
28a00297 | 1111 | CoreAcquireGcdMemoryLock ();\r |
1112 | Map = &mGcdMemorySpaceMap;\r | |
fbbb4211 | 1113 | } else if ((Operation & GCD_IO_SPACE_OPERATION) != 0) {\r |
28a00297 | 1114 | CoreAcquireGcdIoLock ();\r |
1115 | Map = &mGcdIoSpaceMap;\r | |
fbbb4211 | 1116 | } else {\r |
1117 | ASSERT (FALSE);\r | |
28a00297 | 1118 | }\r |
1119 | \r | |
1120 | Found = FALSE;\r | |
1121 | StartLink = NULL;\r | |
1122 | EndLink = NULL;\r | |
1123 | //\r | |
1124 | // Compute alignment bit mask\r | |
1125 | //\r | |
1126 | AlignmentMask = LShiftU64 (1, Alignment) - 1;\r | |
1127 | \r | |
1128 | if (GcdAllocateType == EfiGcdAllocateAddress) {\r | |
1129 | //\r | |
1130 | // Verify that the BaseAddress passed in is aligned correctly\r | |
1131 | //\r | |
1132 | if ((*BaseAddress & AlignmentMask) != 0) {\r | |
1133 | Status = EFI_NOT_FOUND;\r | |
1134 | goto Done;\r | |
1135 | }\r | |
1136 | \r | |
1137 | //\r | |
1138 | // Search for the list of descriptors that cover the range BaseAddress to BaseAddress+Length\r | |
1139 | //\r | |
1140 | Status = CoreSearchGcdMapEntry (*BaseAddress, Length, &StartLink, &EndLink, Map);\r | |
1141 | if (EFI_ERROR (Status)) {\r | |
1142 | Status = EFI_NOT_FOUND;\r | |
1143 | goto Done;\r | |
1144 | }\r | |
d2fbaaab | 1145 | ASSERT (StartLink != NULL && EndLink != NULL);\r |
28a00297 | 1146 | \r |
1147 | //\r | |
1148 | // Verify that the list of descriptors are unallocated memory matching GcdMemoryType.\r | |
1149 | //\r | |
1150 | Link = StartLink;\r | |
1151 | while (Link != EndLink->ForwardLink) {\r | |
1152 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1153 | Link = Link->ForwardLink;\r | |
1154 | Status = CoreAllocateSpaceCheckEntry (Operation, Entry, GcdMemoryType, GcdIoType);\r | |
1155 | if (EFI_ERROR (Status)) {\r | |
1156 | goto Done;\r | |
1157 | }\r | |
1158 | }\r | |
1159 | Found = TRUE;\r | |
1160 | } else {\r | |
1161 | \r | |
1162 | Entry = CR (Map->BackLink, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1163 | \r | |
1164 | //\r | |
1165 | // Compute the maximum address to use in the search algorithm\r | |
1166 | //\r | |
1167 | if (GcdAllocateType == EfiGcdAllocateMaxAddressSearchBottomUp ||\r | |
1168 | GcdAllocateType == EfiGcdAllocateMaxAddressSearchTopDown ) {\r | |
1169 | MaxAddress = *BaseAddress;\r | |
1170 | } else {\r | |
1171 | MaxAddress = Entry->EndAddress;\r | |
1172 | }\r | |
1173 | \r | |
1174 | //\r | |
1175 | // Verify that the list of descriptors are unallocated memory matching GcdMemoryType.\r | |
1176 | //\r | |
1177 | if (GcdAllocateType == EfiGcdAllocateMaxAddressSearchTopDown ||\r | |
1178 | GcdAllocateType == EfiGcdAllocateAnySearchTopDown ) {\r | |
1179 | Link = Map->BackLink;\r | |
1180 | } else {\r | |
1181 | Link = Map->ForwardLink;\r | |
1182 | }\r | |
1183 | while (Link != Map) {\r | |
1184 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1185 | \r | |
1186 | if (GcdAllocateType == EfiGcdAllocateMaxAddressSearchTopDown ||\r | |
1187 | GcdAllocateType == EfiGcdAllocateAnySearchTopDown ) {\r | |
1188 | Link = Link->BackLink;\r | |
1189 | } else {\r | |
1190 | Link = Link->ForwardLink;\r | |
1191 | }\r | |
1192 | \r | |
1193 | Status = CoreAllocateSpaceCheckEntry (Operation, Entry, GcdMemoryType, GcdIoType);\r | |
1194 | if (EFI_ERROR (Status)) {\r | |
1195 | continue;\r | |
1196 | }\r | |
1197 | \r | |
1198 | if (GcdAllocateType == EfiGcdAllocateMaxAddressSearchTopDown ||\r | |
e94a9ff7 | 1199 | GcdAllocateType == EfiGcdAllocateAnySearchTopDown) {\r |
28a00297 | 1200 | if ((Entry->BaseAddress + Length) > MaxAddress) {\r |
1201 | continue;\r | |
1202 | }\r | |
1203 | if (Length > (Entry->EndAddress + 1)) {\r | |
1204 | Status = EFI_NOT_FOUND;\r | |
1205 | goto Done;\r | |
1206 | }\r | |
1207 | if (Entry->EndAddress > MaxAddress) {\r | |
1208 | *BaseAddress = MaxAddress;\r | |
1209 | } else {\r | |
1210 | *BaseAddress = Entry->EndAddress;\r | |
1211 | }\r | |
1212 | *BaseAddress = (*BaseAddress + 1 - Length) & (~AlignmentMask);\r | |
1213 | } else {\r | |
1214 | *BaseAddress = (Entry->BaseAddress + AlignmentMask) & (~AlignmentMask);\r | |
1215 | if ((*BaseAddress + Length - 1) > MaxAddress) {\r | |
1216 | Status = EFI_NOT_FOUND;\r | |
1217 | goto Done;\r | |
1218 | }\r | |
1219 | }\r | |
1220 | \r | |
1221 | //\r | |
1222 | // Search for the list of descriptors that cover the range BaseAddress to BaseAddress+Length\r | |
1223 | //\r | |
1224 | Status = CoreSearchGcdMapEntry (*BaseAddress, Length, &StartLink, &EndLink, Map);\r | |
1225 | if (EFI_ERROR (Status)) {\r | |
1226 | Status = EFI_NOT_FOUND;\r | |
1227 | goto Done;\r | |
1228 | }\r | |
d2fbaaab | 1229 | ASSERT (StartLink != NULL && EndLink != NULL);\r |
28a00297 | 1230 | \r |
1231 | Link = StartLink;\r | |
1232 | //\r | |
1233 | // Verify that the list of descriptors are unallocated memory matching GcdMemoryType.\r | |
1234 | //\r | |
1235 | Found = TRUE;\r | |
1236 | SubLink = StartLink;\r | |
1237 | while (SubLink != EndLink->ForwardLink) {\r | |
1238 | Entry = CR (SubLink, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1239 | Status = CoreAllocateSpaceCheckEntry (Operation, Entry, GcdMemoryType, GcdIoType);\r | |
1240 | if (EFI_ERROR (Status)) {\r | |
1241 | Link = SubLink;\r | |
1242 | Found = FALSE;\r | |
1243 | break;\r | |
1244 | }\r | |
1245 | SubLink = SubLink->ForwardLink;\r | |
1246 | }\r | |
1247 | if (Found) {\r | |
1248 | break;\r | |
1249 | }\r | |
1250 | }\r | |
1251 | }\r | |
1252 | if (!Found) {\r | |
1253 | Status = EFI_NOT_FOUND;\r | |
1254 | goto Done;\r | |
1255 | }\r | |
1256 | \r | |
1257 | //\r | |
1258 | // Allocate work space to perform this operation\r | |
1259 | //\r | |
1260 | Status = CoreAllocateGcdMapEntry (&TopEntry, &BottomEntry);\r | |
1261 | if (EFI_ERROR (Status)) {\r | |
1262 | Status = EFI_OUT_OF_RESOURCES;\r | |
1263 | goto Done;\r | |
1264 | }\r | |
d2fbaaab | 1265 | ASSERT (TopEntry != NULL && BottomEntry != NULL);\r |
28a00297 | 1266 | \r |
1267 | //\r | |
1268 | // Convert/Insert the list of descriptors from StartLink to EndLink\r | |
1269 | //\r | |
1270 | Link = StartLink;\r | |
1271 | while (Link != EndLink->ForwardLink) {\r | |
1272 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1273 | CoreInsertGcdMapEntry (Link, Entry, *BaseAddress, Length, TopEntry, BottomEntry);\r | |
1274 | Entry->ImageHandle = ImageHandle;\r | |
1275 | Entry->DeviceHandle = DeviceHandle;\r | |
1276 | Link = Link->ForwardLink;\r | |
1277 | }\r | |
1278 | \r | |
1279 | //\r | |
1280 | // Cleanup\r | |
1281 | //\r | |
1282 | Status = CoreCleanupGcdMapEntry (TopEntry, BottomEntry, StartLink, EndLink, Map);\r | |
1283 | \r | |
1284 | Done:\r | |
aa927cae | 1285 | DEBUG ((DEBUG_GCD, " Status = %r", Status));\r |
1286 | if (!EFI_ERROR (Status)) {\r | |
1287 | DEBUG ((DEBUG_GCD, " (BaseAddress = %016lx)", *BaseAddress));\r | |
1288 | }\r | |
1289 | DEBUG ((DEBUG_GCD, "\n"));\r | |
d1102dba | 1290 | \r |
71f68914 | 1291 | if ((Operation & GCD_MEMORY_SPACE_OPERATION) != 0) {\r |
28a00297 | 1292 | CoreReleaseGcdMemoryLock ();\r |
aa927cae | 1293 | CoreDumpGcdMemorySpaceMap (FALSE);\r |
28a00297 | 1294 | }\r |
71f68914 | 1295 | if ((Operation & GCD_IO_SPACE_OPERATION) !=0) {\r |
28a00297 | 1296 | CoreReleaseGcdIoLock ();\r |
aa927cae | 1297 | CoreDumpGcdIoSpaceMap (FALSE);\r |
28a00297 | 1298 | }\r |
aa927cae | 1299 | \r |
28a00297 | 1300 | return Status;\r |
1301 | }\r | |
1302 | \r | |
28a00297 | 1303 | \r |
162ed594 | 1304 | /**\r |
28a00297 | 1305 | Add a segment of memory to GCD map.\r |
1306 | \r | |
022c6d45 | 1307 | @param GcdMemoryType Memory type of the segment.\r |
1308 | @param BaseAddress Base address of the segment.\r | |
1309 | @param Length Length of the segment.\r | |
1310 | @param Capabilities alterable attributes of the segment.\r | |
28a00297 | 1311 | \r |
022c6d45 | 1312 | @retval EFI_INVALID_PARAMETER Invalid parameters.\r |
162ed594 | 1313 | @retval EFI_SUCCESS Successfully add a segment of memory space.\r |
28a00297 | 1314 | \r |
162ed594 | 1315 | **/\r |
162ed594 | 1316 | EFI_STATUS\r |
1317 | CoreInternalAddMemorySpace (\r | |
1318 | IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
1319 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1320 | IN UINT64 Length,\r | |
1321 | IN UINT64 Capabilities\r | |
1322 | )\r | |
28a00297 | 1323 | {\r |
f9d1f97c | 1324 | DEBUG ((DEBUG_GCD, "GCD:AddMemorySpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1325 | DEBUG ((DEBUG_GCD, " GcdMemoryType = %a\n", mGcdMemoryTypeNames[MIN (GcdMemoryType, EfiGcdMemoryTypeMaximum)]));\r | |
1326 | DEBUG ((DEBUG_GCD, " Capabilities = %016lx\n", Capabilities));\r | |
1327 | \r | |
28a00297 | 1328 | //\r |
1329 | // Make sure parameters are valid\r | |
1330 | //\r | |
1331 | if (GcdMemoryType <= EfiGcdMemoryTypeNonExistent || GcdMemoryType >= EfiGcdMemoryTypeMaximum) {\r | |
1332 | return EFI_INVALID_PARAMETER;\r | |
1333 | }\r | |
1334 | \r | |
1335 | return CoreConvertSpace (GCD_ADD_MEMORY_OPERATION, GcdMemoryType, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, Capabilities, 0);\r | |
1336 | }\r | |
1337 | \r | |
1338 | //\r | |
1339 | // GCD Core Services\r | |
1340 | //\r | |
162ed594 | 1341 | \r |
1342 | /**\r | |
1343 | Allocates nonexistent memory, reserved memory, system memory, or memorymapped\r | |
1344 | I/O resources from the global coherency domain of the processor.\r | |
1345 | \r | |
022c6d45 | 1346 | @param GcdAllocateType The type of allocate operation\r |
1347 | @param GcdMemoryType The desired memory type\r | |
1348 | @param Alignment Align with 2^Alignment\r | |
1349 | @param Length Length to allocate\r | |
1350 | @param BaseAddress Base address to allocate\r | |
1351 | @param ImageHandle The image handle consume the allocated space.\r | |
1352 | @param DeviceHandle The device handle consume the allocated space.\r | |
162ed594 | 1353 | \r |
022c6d45 | 1354 | @retval EFI_INVALID_PARAMETER Invalid parameter.\r |
1355 | @retval EFI_NOT_FOUND No descriptor contains the desired space.\r | |
162ed594 | 1356 | @retval EFI_SUCCESS Memory space successfully allocated.\r |
1357 | \r | |
1358 | **/\r | |
28a00297 | 1359 | EFI_STATUS\r |
3b6ffb6a | 1360 | EFIAPI\r |
28a00297 | 1361 | CoreAllocateMemorySpace (\r |
1362 | IN EFI_GCD_ALLOCATE_TYPE GcdAllocateType,\r | |
1363 | IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
1364 | IN UINTN Alignment,\r | |
1365 | IN UINT64 Length,\r | |
1366 | IN OUT EFI_PHYSICAL_ADDRESS *BaseAddress,\r | |
1367 | IN EFI_HANDLE ImageHandle,\r | |
1368 | IN EFI_HANDLE DeviceHandle OPTIONAL\r | |
1369 | )\r | |
28a00297 | 1370 | {\r |
7328295c MK |
1371 | if (BaseAddress != NULL) {\r |
1372 | DEBUG ((DEBUG_GCD, "GCD:AllocateMemorySpace(Base=%016lx,Length=%016lx)\n", *BaseAddress, Length));\r | |
1373 | } else {\r | |
1374 | DEBUG ((DEBUG_GCD, "GCD:AllocateMemorySpace(Base=<NULL>,Length=%016lx)\n", Length));\r | |
1375 | }\r | |
f9d1f97c | 1376 | DEBUG ((DEBUG_GCD, " GcdAllocateType = %a\n", mGcdAllocationTypeNames[MIN (GcdAllocateType, EfiGcdMaxAllocateType)]));\r |
1377 | DEBUG ((DEBUG_GCD, " GcdMemoryType = %a\n", mGcdMemoryTypeNames[MIN (GcdMemoryType, EfiGcdMemoryTypeMaximum)]));\r | |
1378 | DEBUG ((DEBUG_GCD, " Alignment = %016lx\n", LShiftU64 (1, Alignment)));\r | |
1379 | DEBUG ((DEBUG_GCD, " ImageHandle = %p\n", ImageHandle));\r | |
1380 | DEBUG ((DEBUG_GCD, " DeviceHandle = %p\n", DeviceHandle));\r | |
d1102dba | 1381 | \r |
28a00297 | 1382 | return CoreAllocateSpace (\r |
022c6d45 | 1383 | GCD_ALLOCATE_MEMORY_OPERATION,\r |
1384 | GcdAllocateType,\r | |
1385 | GcdMemoryType,\r | |
1386 | (EFI_GCD_IO_TYPE) 0,\r | |
1387 | Alignment,\r | |
1388 | Length,\r | |
1389 | BaseAddress,\r | |
1390 | ImageHandle,\r | |
28a00297 | 1391 | DeviceHandle\r |
1392 | );\r | |
1393 | }\r | |
1394 | \r | |
162ed594 | 1395 | \r |
1396 | /**\r | |
1397 | Adds reserved memory, system memory, or memory-mapped I/O resources to the\r | |
1398 | global coherency domain of the processor.\r | |
1399 | \r | |
022c6d45 | 1400 | @param GcdMemoryType Memory type of the memory space.\r |
1401 | @param BaseAddress Base address of the memory space.\r | |
1402 | @param Length Length of the memory space.\r | |
1403 | @param Capabilities alterable attributes of the memory space.\r | |
162ed594 | 1404 | \r |
1405 | @retval EFI_SUCCESS Merged this memory space into GCD map.\r | |
1406 | \r | |
1407 | **/\r | |
28a00297 | 1408 | EFI_STATUS\r |
3b6ffb6a | 1409 | EFIAPI\r |
28a00297 | 1410 | CoreAddMemorySpace (\r |
1411 | IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
1412 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1413 | IN UINT64 Length,\r | |
1414 | IN UINT64 Capabilities\r | |
1415 | )\r | |
28a00297 | 1416 | {\r |
1417 | EFI_STATUS Status;\r | |
1418 | EFI_PHYSICAL_ADDRESS PageBaseAddress;\r | |
1419 | UINT64 PageLength;\r | |
1420 | \r | |
1421 | Status = CoreInternalAddMemorySpace (GcdMemoryType, BaseAddress, Length, Capabilities);\r | |
1422 | \r | |
74705ca5 | 1423 | if (!EFI_ERROR (Status) && ((GcdMemoryType == EfiGcdMemoryTypeSystemMemory) || (GcdMemoryType == EfiGcdMemoryTypeMoreReliable))) {\r |
28a00297 | 1424 | \r |
74705ca5 | 1425 | PageBaseAddress = PageAlignAddress (BaseAddress);\r |
28a00297 | 1426 | PageLength = PageAlignLength (BaseAddress + Length - PageBaseAddress);\r |
1427 | \r | |
1428 | Status = CoreAllocateMemorySpace (\r | |
1429 | EfiGcdAllocateAddress,\r | |
1430 | GcdMemoryType,\r | |
022c6d45 | 1431 | EFI_PAGE_SHIFT,\r |
28a00297 | 1432 | PageLength,\r |
1433 | &PageBaseAddress,\r | |
1434 | gDxeCoreImageHandle,\r | |
1435 | NULL\r | |
1436 | );\r | |
1437 | \r | |
1438 | if (!EFI_ERROR (Status)) {\r | |
1439 | CoreAddMemoryDescriptor (\r | |
1440 | EfiConventionalMemory,\r | |
1441 | PageBaseAddress,\r | |
1442 | RShiftU64 (PageLength, EFI_PAGE_SHIFT),\r | |
1443 | Capabilities\r | |
1444 | );\r | |
1445 | } else {\r | |
1446 | for (; PageLength != 0; PageLength -= EFI_PAGE_SIZE, PageBaseAddress += EFI_PAGE_SIZE) {\r | |
1447 | Status = CoreAllocateMemorySpace (\r | |
1448 | EfiGcdAllocateAddress,\r | |
1449 | GcdMemoryType,\r | |
022c6d45 | 1450 | EFI_PAGE_SHIFT,\r |
28a00297 | 1451 | EFI_PAGE_SIZE,\r |
1452 | &PageBaseAddress,\r | |
1453 | gDxeCoreImageHandle,\r | |
1454 | NULL\r | |
1455 | );\r | |
1456 | \r | |
1457 | if (!EFI_ERROR (Status)) {\r | |
1458 | CoreAddMemoryDescriptor (\r | |
1459 | EfiConventionalMemory,\r | |
1460 | PageBaseAddress,\r | |
1461 | 1,\r | |
1462 | Capabilities\r | |
1463 | );\r | |
1464 | }\r | |
1465 | }\r | |
1466 | }\r | |
1467 | }\r | |
1468 | return Status;\r | |
1469 | }\r | |
1470 | \r | |
28a00297 | 1471 | \r |
162ed594 | 1472 | /**\r |
28a00297 | 1473 | Frees nonexistent memory, reserved memory, system memory, or memory-mapped\r |
162ed594 | 1474 | I/O resources from the global coherency domain of the processor.\r |
28a00297 | 1475 | \r |
022c6d45 | 1476 | @param BaseAddress Base address of the memory space.\r |
1477 | @param Length Length of the memory space.\r | |
28a00297 | 1478 | \r |
162ed594 | 1479 | @retval EFI_SUCCESS Space successfully freed.\r |
28a00297 | 1480 | \r |
162ed594 | 1481 | **/\r |
28a00297 | 1482 | EFI_STATUS\r |
3b6ffb6a | 1483 | EFIAPI\r |
162ed594 | 1484 | CoreFreeMemorySpace (\r |
28a00297 | 1485 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r |
1486 | IN UINT64 Length\r | |
1487 | )\r | |
162ed594 | 1488 | {\r |
f9d1f97c | 1489 | DEBUG ((DEBUG_GCD, "GCD:FreeMemorySpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1490 | \r | |
162ed594 | 1491 | return CoreConvertSpace (GCD_FREE_MEMORY_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, 0, 0);\r |
1492 | }\r | |
28a00297 | 1493 | \r |
28a00297 | 1494 | \r |
162ed594 | 1495 | /**\r |
28a00297 | 1496 | Removes reserved memory, system memory, or memory-mapped I/O resources from\r |
162ed594 | 1497 | the global coherency domain of the processor.\r |
28a00297 | 1498 | \r |
022c6d45 | 1499 | @param BaseAddress Base address of the memory space.\r |
1500 | @param Length Length of the memory space.\r | |
28a00297 | 1501 | \r |
162ed594 | 1502 | @retval EFI_SUCCESS Successfully remove a segment of memory space.\r |
28a00297 | 1503 | \r |
162ed594 | 1504 | **/\r |
1505 | EFI_STATUS\r | |
3b6ffb6a | 1506 | EFIAPI\r |
162ed594 | 1507 | CoreRemoveMemorySpace (\r |
1508 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1509 | IN UINT64 Length\r | |
1510 | )\r | |
28a00297 | 1511 | {\r |
f9d1f97c | 1512 | DEBUG ((DEBUG_GCD, "GCD:RemoveMemorySpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
d1102dba | 1513 | \r |
28a00297 | 1514 | return CoreConvertSpace (GCD_REMOVE_MEMORY_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, 0, 0);\r |
1515 | }\r | |
1516 | \r | |
162ed594 | 1517 | \r |
1518 | /**\r | |
1519 | Build a memory descriptor according to an entry.\r | |
1520 | \r | |
022c6d45 | 1521 | @param Descriptor The descriptor to be built\r |
162ed594 | 1522 | @param Entry According to this entry\r |
1523 | \r | |
1524 | **/\r | |
28a00297 | 1525 | VOID\r |
1526 | BuildMemoryDescriptor (\r | |
1527 | IN OUT EFI_GCD_MEMORY_SPACE_DESCRIPTOR *Descriptor,\r | |
1528 | IN EFI_GCD_MAP_ENTRY *Entry\r | |
1529 | )\r | |
28a00297 | 1530 | {\r |
1531 | Descriptor->BaseAddress = Entry->BaseAddress;\r | |
1532 | Descriptor->Length = Entry->EndAddress - Entry->BaseAddress + 1;\r | |
1533 | Descriptor->Capabilities = Entry->Capabilities;\r | |
1534 | Descriptor->Attributes = Entry->Attributes;\r | |
1535 | Descriptor->GcdMemoryType = Entry->GcdMemoryType;\r | |
1536 | Descriptor->ImageHandle = Entry->ImageHandle;\r | |
1537 | Descriptor->DeviceHandle = Entry->DeviceHandle;\r | |
1538 | }\r | |
1539 | \r | |
28a00297 | 1540 | \r |
162ed594 | 1541 | /**\r |
28a00297 | 1542 | Retrieves the descriptor for a memory region containing a specified address.\r |
1543 | \r | |
022c6d45 | 1544 | @param BaseAddress Specified start address\r |
1545 | @param Descriptor Specified length\r | |
28a00297 | 1546 | \r |
022c6d45 | 1547 | @retval EFI_INVALID_PARAMETER Invalid parameter\r |
162ed594 | 1548 | @retval EFI_SUCCESS Successfully get memory space descriptor.\r |
28a00297 | 1549 | \r |
162ed594 | 1550 | **/\r |
1551 | EFI_STATUS\r | |
3b6ffb6a | 1552 | EFIAPI\r |
162ed594 | 1553 | CoreGetMemorySpaceDescriptor (\r |
1554 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1555 | OUT EFI_GCD_MEMORY_SPACE_DESCRIPTOR *Descriptor\r | |
1556 | )\r | |
28a00297 | 1557 | {\r |
1558 | EFI_STATUS Status;\r | |
1559 | LIST_ENTRY *StartLink;\r | |
1560 | LIST_ENTRY *EndLink;\r | |
1561 | EFI_GCD_MAP_ENTRY *Entry;\r | |
1562 | \r | |
1563 | //\r | |
1564 | // Make sure parameters are valid\r | |
1565 | //\r | |
1566 | if (Descriptor == NULL) {\r | |
1567 | return EFI_INVALID_PARAMETER;\r | |
1568 | }\r | |
1569 | \r | |
1570 | CoreAcquireGcdMemoryLock ();\r | |
1571 | \r | |
1572 | //\r | |
022c6d45 | 1573 | // Search for the list of descriptors that contain BaseAddress\r |
28a00297 | 1574 | //\r |
1575 | Status = CoreSearchGcdMapEntry (BaseAddress, 1, &StartLink, &EndLink, &mGcdMemorySpaceMap);\r | |
1576 | if (EFI_ERROR (Status)) {\r | |
1577 | Status = EFI_NOT_FOUND;\r | |
1578 | } else {\r | |
d2fbaaab | 1579 | ASSERT (StartLink != NULL && EndLink != NULL);\r |
28a00297 | 1580 | //\r |
1581 | // Copy the contents of the found descriptor into Descriptor\r | |
1582 | //\r | |
1583 | Entry = CR (StartLink, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1584 | BuildMemoryDescriptor (Descriptor, Entry);\r | |
1585 | }\r | |
1586 | \r | |
1587 | CoreReleaseGcdMemoryLock ();\r | |
1588 | \r | |
1589 | return Status;\r | |
1590 | }\r | |
1591 | \r | |
162ed594 | 1592 | \r |
1593 | /**\r | |
1594 | Modifies the attributes for a memory region in the global coherency domain of the\r | |
1595 | processor.\r | |
1596 | \r | |
022c6d45 | 1597 | @param BaseAddress Specified start address\r |
1598 | @param Length Specified length\r | |
1599 | @param Attributes Specified attributes\r | |
162ed594 | 1600 | \r |
fc8ff20f | 1601 | @retval EFI_SUCCESS The attributes were set for the memory region.\r |
d1102dba | 1602 | @retval EFI_INVALID_PARAMETER Length is zero.\r |
fc8ff20f | 1603 | @retval EFI_UNSUPPORTED The processor does not support one or more bytes of the memory\r |
1604 | resource range specified by BaseAddress and Length.\r | |
1605 | @retval EFI_UNSUPPORTED The bit mask of attributes is not support for the memory resource\r | |
1606 | range specified by BaseAddress and Length.\r | |
1607 | @retval EFI_ACCESS_DEFINED The attributes for the memory resource range specified by\r | |
1608 | BaseAddress and Length cannot be modified.\r | |
1609 | @retval EFI_OUT_OF_RESOURCES There are not enough system resources to modify the attributes of\r | |
1610 | the memory resource range.\r | |
1611 | @retval EFI_NOT_AVAILABLE_YET The attributes cannot be set because CPU architectural protocol is\r | |
1612 | not available yet.\r | |
162ed594 | 1613 | \r |
1614 | **/\r | |
28a00297 | 1615 | EFI_STATUS\r |
3b6ffb6a | 1616 | EFIAPI\r |
28a00297 | 1617 | CoreSetMemorySpaceAttributes (\r |
1618 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1619 | IN UINT64 Length,\r | |
1620 | IN UINT64 Attributes\r | |
1621 | )\r | |
162ed594 | 1622 | {\r |
f9d1f97c | 1623 | DEBUG ((DEBUG_GCD, "GCD:SetMemorySpaceAttributes(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1624 | DEBUG ((DEBUG_GCD, " Attributes = %016lx\n", Attributes));\r | |
1625 | \r | |
162ed594 | 1626 | return CoreConvertSpace (GCD_SET_ATTRIBUTES_MEMORY_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, 0, Attributes);\r |
1627 | }\r | |
28a00297 | 1628 | \r |
28a00297 | 1629 | \r |
771ee501 EC |
1630 | /**\r |
1631 | Modifies the capabilities for a memory region in the global coherency domain of the\r | |
1632 | processor.\r | |
1633 | \r | |
1634 | @param BaseAddress The physical address that is the start address of a memory region.\r | |
1635 | @param Length The size in bytes of the memory region.\r | |
1636 | @param Capabilities The bit mask of capabilities that the memory region supports.\r | |
1637 | \r | |
1638 | @retval EFI_SUCCESS The capabilities were set for the memory region.\r | |
1639 | @retval EFI_INVALID_PARAMETER Length is zero.\r | |
1640 | @retval EFI_UNSUPPORTED The capabilities specified by Capabilities do not include the\r | |
1641 | memory region attributes currently in use.\r | |
1642 | @retval EFI_ACCESS_DENIED The capabilities for the memory resource range specified by\r | |
1643 | BaseAddress and Length cannot be modified.\r | |
1644 | @retval EFI_OUT_OF_RESOURCES There are not enough system resources to modify the capabilities\r | |
1645 | of the memory resource range.\r | |
1646 | **/\r | |
1647 | EFI_STATUS\r | |
1648 | EFIAPI\r | |
1649 | CoreSetMemorySpaceCapabilities (\r | |
1650 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1651 | IN UINT64 Length,\r | |
1652 | IN UINT64 Capabilities\r | |
1653 | )\r | |
1654 | {\r | |
736a692e HT |
1655 | EFI_STATUS Status;\r |
1656 | \r | |
771ee501 | 1657 | DEBUG ((DEBUG_GCD, "GCD:CoreSetMemorySpaceCapabilities(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
736a692e HT |
1658 | DEBUG ((DEBUG_GCD, " Capabilities = %016lx\n", Capabilities));\r |
1659 | \r | |
1660 | Status = CoreConvertSpace (GCD_SET_CAPABILITIES_MEMORY_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, Capabilities, 0);\r | |
771ee501 | 1661 | if (!EFI_ERROR(Status)) {\r |
32fd9c41 | 1662 | CoreUpdateMemoryAttributes(BaseAddress, RShiftU64(Length, EFI_PAGE_SHIFT), Capabilities & (~EFI_MEMORY_RUNTIME));\r |
736a692e HT |
1663 | }\r |
1664 | \r | |
771ee501 EC |
1665 | return Status;\r |
1666 | }\r | |
1667 | \r | |
1668 | \r | |
162ed594 | 1669 | /**\r |
1670 | Returns a map of the memory resources in the global coherency domain of the\r | |
1671 | processor.\r | |
28a00297 | 1672 | \r |
022c6d45 | 1673 | @param NumberOfDescriptors Number of descriptors.\r |
1674 | @param MemorySpaceMap Descriptor array\r | |
28a00297 | 1675 | \r |
022c6d45 | 1676 | @retval EFI_INVALID_PARAMETER Invalid parameter\r |
1677 | @retval EFI_OUT_OF_RESOURCES No enough buffer to allocate\r | |
162ed594 | 1678 | @retval EFI_SUCCESS Successfully get memory space map.\r |
28a00297 | 1679 | \r |
162ed594 | 1680 | **/\r |
28a00297 | 1681 | EFI_STATUS\r |
3b6ffb6a | 1682 | EFIAPI\r |
28a00297 | 1683 | CoreGetMemorySpaceMap (\r |
1684 | OUT UINTN *NumberOfDescriptors,\r | |
1685 | OUT EFI_GCD_MEMORY_SPACE_DESCRIPTOR **MemorySpaceMap\r | |
1686 | )\r | |
28a00297 | 1687 | {\r |
28a00297 | 1688 | LIST_ENTRY *Link;\r |
1689 | EFI_GCD_MAP_ENTRY *Entry;\r | |
1690 | EFI_GCD_MEMORY_SPACE_DESCRIPTOR *Descriptor;\r | |
bb685071 | 1691 | UINTN DescriptorCount;\r |
28a00297 | 1692 | \r |
1693 | //\r | |
1694 | // Make sure parameters are valid\r | |
1695 | //\r | |
1696 | if (NumberOfDescriptors == NULL) {\r | |
1697 | return EFI_INVALID_PARAMETER;\r | |
1698 | }\r | |
1699 | if (MemorySpaceMap == NULL) {\r | |
1700 | return EFI_INVALID_PARAMETER;\r | |
1701 | }\r | |
1702 | \r | |
bb685071 JW |
1703 | *NumberOfDescriptors = 0;\r |
1704 | *MemorySpaceMap = NULL;\r | |
28a00297 | 1705 | \r |
1706 | //\r | |
bb685071 | 1707 | // Take the lock, for entering the loop with the lock held.\r |
28a00297 | 1708 | //\r |
bb685071 JW |
1709 | CoreAcquireGcdMemoryLock ();\r |
1710 | while (TRUE) {\r | |
1711 | //\r | |
1712 | // Count descriptors. It might be done more than once because the\r | |
1713 | // AllocatePool() called below has to be running outside the GCD lock.\r | |
1714 | //\r | |
1715 | DescriptorCount = CoreCountGcdMapEntry (&mGcdMemorySpaceMap);\r | |
61a62fc2 | 1716 | if (DescriptorCount == *NumberOfDescriptors && *MemorySpaceMap != NULL) {\r |
bb685071 JW |
1717 | //\r |
1718 | // Fill in the MemorySpaceMap if no memory space map change.\r | |
1719 | //\r | |
1720 | Descriptor = *MemorySpaceMap;\r | |
1721 | Link = mGcdMemorySpaceMap.ForwardLink;\r | |
1722 | while (Link != &mGcdMemorySpaceMap) {\r | |
1723 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1724 | BuildMemoryDescriptor (Descriptor, Entry);\r | |
1725 | Descriptor++;\r | |
1726 | Link = Link->ForwardLink;\r | |
1727 | }\r | |
1728 | //\r | |
1729 | // We're done; exit the loop with the lock held.\r | |
1730 | //\r | |
1731 | break;\r | |
1732 | }\r | |
28a00297 | 1733 | \r |
bb685071 JW |
1734 | //\r |
1735 | // Release the lock before memory allocation, because it might cause\r | |
1736 | // GCD lock conflict in one of calling path in AllocatPool().\r | |
1737 | //\r | |
1738 | CoreReleaseGcdMemoryLock ();\r | |
28a00297 | 1739 | \r |
bb685071 JW |
1740 | //\r |
1741 | // Allocate memory to store the MemorySpaceMap. Note it might be already\r | |
1742 | // allocated if there's map descriptor change during memory allocation at\r | |
1743 | // last time.\r | |
1744 | //\r | |
1745 | if (*MemorySpaceMap != NULL) {\r | |
1746 | FreePool (*MemorySpaceMap);\r | |
1747 | }\r | |
1748 | \r | |
1749 | *MemorySpaceMap = AllocatePool (DescriptorCount *\r | |
1750 | sizeof (EFI_GCD_MEMORY_SPACE_DESCRIPTOR));\r | |
1751 | if (*MemorySpaceMap == NULL) {\r | |
1752 | *NumberOfDescriptors = 0;\r | |
1753 | return EFI_OUT_OF_RESOURCES;\r | |
1754 | }\r | |
1755 | \r | |
1756 | //\r | |
1757 | // Save the descriptor count got before for another round of check to make\r | |
1758 | // sure we won't miss any, since we have code running outside the GCD lock.\r | |
1759 | //\r | |
1760 | *NumberOfDescriptors = DescriptorCount;\r | |
1761 | //\r | |
1762 | // Re-acquire the lock, for the next iteration.\r | |
1763 | //\r | |
1764 | CoreAcquireGcdMemoryLock ();\r | |
1765 | }\r | |
28a00297 | 1766 | //\r |
bb685071 | 1767 | // We exited the loop with the lock held, release it.\r |
28a00297 | 1768 | //\r |
28a00297 | 1769 | CoreReleaseGcdMemoryLock ();\r |
bb685071 JW |
1770 | \r |
1771 | return EFI_SUCCESS;\r | |
28a00297 | 1772 | }\r |
1773 | \r | |
162ed594 | 1774 | \r |
1775 | /**\r | |
1776 | Adds reserved I/O or I/O resources to the global coherency domain of the processor.\r | |
1777 | \r | |
022c6d45 | 1778 | @param GcdIoType IO type of the segment.\r |
1779 | @param BaseAddress Base address of the segment.\r | |
1780 | @param Length Length of the segment.\r | |
162ed594 | 1781 | \r |
022c6d45 | 1782 | @retval EFI_SUCCESS Merged this segment into GCD map.\r |
162ed594 | 1783 | @retval EFI_INVALID_PARAMETER Parameter not valid\r |
1784 | \r | |
1785 | **/\r | |
28a00297 | 1786 | EFI_STATUS\r |
3b6ffb6a | 1787 | EFIAPI\r |
28a00297 | 1788 | CoreAddIoSpace (\r |
1789 | IN EFI_GCD_IO_TYPE GcdIoType,\r | |
1790 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1791 | IN UINT64 Length\r | |
1792 | )\r | |
28a00297 | 1793 | {\r |
f9d1f97c | 1794 | DEBUG ((DEBUG_GCD, "GCD:AddIoSpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1795 | DEBUG ((DEBUG_GCD, " GcdIoType = %a\n", mGcdIoTypeNames[MIN (GcdIoType, EfiGcdIoTypeMaximum)]));\r | |
d1102dba | 1796 | \r |
28a00297 | 1797 | //\r |
1798 | // Make sure parameters are valid\r | |
1799 | //\r | |
1800 | if (GcdIoType <= EfiGcdIoTypeNonExistent || GcdIoType >= EfiGcdIoTypeMaximum) {\r | |
1801 | return EFI_INVALID_PARAMETER;\r | |
1802 | }\r | |
1803 | return CoreConvertSpace (GCD_ADD_IO_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, GcdIoType, BaseAddress, Length, 0, 0);\r | |
1804 | }\r | |
1805 | \r | |
162ed594 | 1806 | \r |
1807 | /**\r | |
1808 | Allocates nonexistent I/O, reserved I/O, or I/O resources from the global coherency\r | |
1809 | domain of the processor.\r | |
1810 | \r | |
022c6d45 | 1811 | @param GcdAllocateType The type of allocate operation\r |
1812 | @param GcdIoType The desired IO type\r | |
1813 | @param Alignment Align with 2^Alignment\r | |
1814 | @param Length Length to allocate\r | |
1815 | @param BaseAddress Base address to allocate\r | |
1816 | @param ImageHandle The image handle consume the allocated space.\r | |
1817 | @param DeviceHandle The device handle consume the allocated space.\r | |
162ed594 | 1818 | \r |
022c6d45 | 1819 | @retval EFI_INVALID_PARAMETER Invalid parameter.\r |
1820 | @retval EFI_NOT_FOUND No descriptor contains the desired space.\r | |
162ed594 | 1821 | @retval EFI_SUCCESS IO space successfully allocated.\r |
1822 | \r | |
1823 | **/\r | |
28a00297 | 1824 | EFI_STATUS\r |
3b6ffb6a | 1825 | EFIAPI\r |
28a00297 | 1826 | CoreAllocateIoSpace (\r |
1827 | IN EFI_GCD_ALLOCATE_TYPE GcdAllocateType,\r | |
1828 | IN EFI_GCD_IO_TYPE GcdIoType,\r | |
1829 | IN UINTN Alignment,\r | |
1830 | IN UINT64 Length,\r | |
1831 | IN OUT EFI_PHYSICAL_ADDRESS *BaseAddress,\r | |
1832 | IN EFI_HANDLE ImageHandle,\r | |
1833 | IN EFI_HANDLE DeviceHandle OPTIONAL\r | |
1834 | )\r | |
28a00297 | 1835 | {\r |
7328295c MK |
1836 | if (BaseAddress != NULL) {\r |
1837 | DEBUG ((DEBUG_GCD, "GCD:AllocateIoSpace(Base=%016lx,Length=%016lx)\n", *BaseAddress, Length));\r | |
1838 | } else {\r | |
1839 | DEBUG ((DEBUG_GCD, "GCD:AllocateIoSpace(Base=<NULL>,Length=%016lx)\n", Length));\r | |
1840 | }\r | |
f9d1f97c | 1841 | DEBUG ((DEBUG_GCD, " GcdAllocateType = %a\n", mGcdAllocationTypeNames[MIN (GcdAllocateType, EfiGcdMaxAllocateType)]));\r |
5d1cf216 | 1842 | DEBUG ((DEBUG_GCD, " GcdIoType = %a\n", mGcdIoTypeNames[MIN (GcdIoType, EfiGcdIoTypeMaximum)]));\r |
f9d1f97c | 1843 | DEBUG ((DEBUG_GCD, " Alignment = %016lx\n", LShiftU64 (1, Alignment)));\r |
1844 | DEBUG ((DEBUG_GCD, " ImageHandle = %p\n", ImageHandle));\r | |
1845 | DEBUG ((DEBUG_GCD, " DeviceHandle = %p\n", DeviceHandle));\r | |
d1102dba | 1846 | \r |
28a00297 | 1847 | return CoreAllocateSpace (\r |
022c6d45 | 1848 | GCD_ALLOCATE_IO_OPERATION,\r |
1849 | GcdAllocateType,\r | |
1850 | (EFI_GCD_MEMORY_TYPE) 0,\r | |
1851 | GcdIoType,\r | |
1852 | Alignment,\r | |
1853 | Length,\r | |
1854 | BaseAddress,\r | |
1855 | ImageHandle,\r | |
28a00297 | 1856 | DeviceHandle\r |
1857 | );\r | |
1858 | }\r | |
1859 | \r | |
28a00297 | 1860 | \r |
162ed594 | 1861 | /**\r |
28a00297 | 1862 | Frees nonexistent I/O, reserved I/O, or I/O resources from the global coherency\r |
162ed594 | 1863 | domain of the processor.\r |
28a00297 | 1864 | \r |
022c6d45 | 1865 | @param BaseAddress Base address of the segment.\r |
1866 | @param Length Length of the segment.\r | |
28a00297 | 1867 | \r |
162ed594 | 1868 | @retval EFI_SUCCESS Space successfully freed.\r |
28a00297 | 1869 | \r |
162ed594 | 1870 | **/\r |
28a00297 | 1871 | EFI_STATUS\r |
3b6ffb6a | 1872 | EFIAPI\r |
162ed594 | 1873 | CoreFreeIoSpace (\r |
28a00297 | 1874 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r |
1875 | IN UINT64 Length\r | |
1876 | )\r | |
162ed594 | 1877 | {\r |
f9d1f97c | 1878 | DEBUG ((DEBUG_GCD, "GCD:FreeIoSpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1879 | \r | |
162ed594 | 1880 | return CoreConvertSpace (GCD_FREE_IO_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, 0, 0);\r |
1881 | }\r | |
28a00297 | 1882 | \r |
28a00297 | 1883 | \r |
162ed594 | 1884 | /**\r |
28a00297 | 1885 | Removes reserved I/O or I/O resources from the global coherency domain of the\r |
162ed594 | 1886 | processor.\r |
28a00297 | 1887 | \r |
022c6d45 | 1888 | @param BaseAddress Base address of the segment.\r |
1889 | @param Length Length of the segment.\r | |
28a00297 | 1890 | \r |
162ed594 | 1891 | @retval EFI_SUCCESS Successfully removed a segment of IO space.\r |
28a00297 | 1892 | \r |
162ed594 | 1893 | **/\r |
1894 | EFI_STATUS\r | |
3b6ffb6a | 1895 | EFIAPI\r |
162ed594 | 1896 | CoreRemoveIoSpace (\r |
1897 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1898 | IN UINT64 Length\r | |
1899 | )\r | |
28a00297 | 1900 | {\r |
f9d1f97c | 1901 | DEBUG ((DEBUG_GCD, "GCD:RemoveIoSpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
d1102dba | 1902 | \r |
28a00297 | 1903 | return CoreConvertSpace (GCD_REMOVE_IO_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, 0, 0);\r |
1904 | }\r | |
1905 | \r | |
162ed594 | 1906 | \r |
1907 | /**\r | |
1908 | Build a IO descriptor according to an entry.\r | |
1909 | \r | |
022c6d45 | 1910 | @param Descriptor The descriptor to be built\r |
162ed594 | 1911 | @param Entry According to this entry\r |
1912 | \r | |
1913 | **/\r | |
28a00297 | 1914 | VOID\r |
1915 | BuildIoDescriptor (\r | |
1916 | IN EFI_GCD_IO_SPACE_DESCRIPTOR *Descriptor,\r | |
1917 | IN EFI_GCD_MAP_ENTRY *Entry\r | |
1918 | )\r | |
28a00297 | 1919 | {\r |
1920 | Descriptor->BaseAddress = Entry->BaseAddress;\r | |
1921 | Descriptor->Length = Entry->EndAddress - Entry->BaseAddress + 1;\r | |
1922 | Descriptor->GcdIoType = Entry->GcdIoType;\r | |
1923 | Descriptor->ImageHandle = Entry->ImageHandle;\r | |
1924 | Descriptor->DeviceHandle = Entry->DeviceHandle;\r | |
1925 | }\r | |
1926 | \r | |
28a00297 | 1927 | \r |
162ed594 | 1928 | /**\r |
28a00297 | 1929 | Retrieves the descriptor for an I/O region containing a specified address.\r |
1930 | \r | |
022c6d45 | 1931 | @param BaseAddress Specified start address\r |
1932 | @param Descriptor Specified length\r | |
28a00297 | 1933 | \r |
022c6d45 | 1934 | @retval EFI_INVALID_PARAMETER Descriptor is NULL.\r |
162ed594 | 1935 | @retval EFI_SUCCESS Successfully get the IO space descriptor.\r |
28a00297 | 1936 | \r |
162ed594 | 1937 | **/\r |
1938 | EFI_STATUS\r | |
3b6ffb6a | 1939 | EFIAPI\r |
162ed594 | 1940 | CoreGetIoSpaceDescriptor (\r |
1941 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1942 | OUT EFI_GCD_IO_SPACE_DESCRIPTOR *Descriptor\r | |
1943 | )\r | |
28a00297 | 1944 | {\r |
1945 | EFI_STATUS Status;\r | |
1946 | LIST_ENTRY *StartLink;\r | |
1947 | LIST_ENTRY *EndLink;\r | |
1948 | EFI_GCD_MAP_ENTRY *Entry;\r | |
1949 | \r | |
1950 | //\r | |
1951 | // Make sure parameters are valid\r | |
1952 | //\r | |
1953 | if (Descriptor == NULL) {\r | |
1954 | return EFI_INVALID_PARAMETER;\r | |
1955 | }\r | |
1956 | \r | |
1957 | CoreAcquireGcdIoLock ();\r | |
1958 | \r | |
1959 | //\r | |
022c6d45 | 1960 | // Search for the list of descriptors that contain BaseAddress\r |
28a00297 | 1961 | //\r |
1962 | Status = CoreSearchGcdMapEntry (BaseAddress, 1, &StartLink, &EndLink, &mGcdIoSpaceMap);\r | |
1963 | if (EFI_ERROR (Status)) {\r | |
1964 | Status = EFI_NOT_FOUND;\r | |
1965 | } else {\r | |
d2fbaaab | 1966 | ASSERT (StartLink != NULL && EndLink != NULL);\r |
28a00297 | 1967 | //\r |
1968 | // Copy the contents of the found descriptor into Descriptor\r | |
1969 | //\r | |
1970 | Entry = CR (StartLink, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1971 | BuildIoDescriptor (Descriptor, Entry);\r | |
1972 | }\r | |
1973 | \r | |
1974 | CoreReleaseGcdIoLock ();\r | |
1975 | \r | |
1976 | return Status;\r | |
1977 | }\r | |
1978 | \r | |
28a00297 | 1979 | \r |
162ed594 | 1980 | /**\r |
28a00297 | 1981 | Returns a map of the I/O resources in the global coherency domain of the processor.\r |
1982 | \r | |
022c6d45 | 1983 | @param NumberOfDescriptors Number of descriptors.\r |
1984 | @param IoSpaceMap Descriptor array\r | |
28a00297 | 1985 | \r |
022c6d45 | 1986 | @retval EFI_INVALID_PARAMETER Invalid parameter\r |
1987 | @retval EFI_OUT_OF_RESOURCES No enough buffer to allocate\r | |
162ed594 | 1988 | @retval EFI_SUCCESS Successfully get IO space map.\r |
28a00297 | 1989 | \r |
162ed594 | 1990 | **/\r |
1991 | EFI_STATUS\r | |
3b6ffb6a | 1992 | EFIAPI\r |
162ed594 | 1993 | CoreGetIoSpaceMap (\r |
1994 | OUT UINTN *NumberOfDescriptors,\r | |
1995 | OUT EFI_GCD_IO_SPACE_DESCRIPTOR **IoSpaceMap\r | |
1996 | )\r | |
28a00297 | 1997 | {\r |
1998 | EFI_STATUS Status;\r | |
1999 | LIST_ENTRY *Link;\r | |
2000 | EFI_GCD_MAP_ENTRY *Entry;\r | |
2001 | EFI_GCD_IO_SPACE_DESCRIPTOR *Descriptor;\r | |
2002 | \r | |
2003 | //\r | |
2004 | // Make sure parameters are valid\r | |
2005 | //\r | |
2006 | if (NumberOfDescriptors == NULL) {\r | |
2007 | return EFI_INVALID_PARAMETER;\r | |
2008 | }\r | |
2009 | if (IoSpaceMap == NULL) {\r | |
2010 | return EFI_INVALID_PARAMETER;\r | |
2011 | }\r | |
2012 | \r | |
2013 | CoreAcquireGcdIoLock ();\r | |
2014 | \r | |
2015 | //\r | |
2016 | // Count the number of descriptors\r | |
2017 | //\r | |
2018 | *NumberOfDescriptors = CoreCountGcdMapEntry (&mGcdIoSpaceMap);\r | |
2019 | \r | |
2020 | //\r | |
2021 | // Allocate the IoSpaceMap\r | |
2022 | //\r | |
9c4ac31c | 2023 | *IoSpaceMap = AllocatePool (*NumberOfDescriptors * sizeof (EFI_GCD_IO_SPACE_DESCRIPTOR));\r |
28a00297 | 2024 | if (*IoSpaceMap == NULL) {\r |
2025 | Status = EFI_OUT_OF_RESOURCES;\r | |
2026 | goto Done;\r | |
2027 | }\r | |
2028 | \r | |
2029 | //\r | |
2030 | // Fill in the IoSpaceMap\r | |
2031 | //\r | |
2032 | Descriptor = *IoSpaceMap;\r | |
2033 | Link = mGcdIoSpaceMap.ForwardLink;\r | |
2034 | while (Link != &mGcdIoSpaceMap) {\r | |
2035 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
2036 | BuildIoDescriptor (Descriptor, Entry);\r | |
2037 | Descriptor++;\r | |
2038 | Link = Link->ForwardLink;\r | |
2039 | }\r | |
2040 | Status = EFI_SUCCESS;\r | |
2041 | \r | |
2042 | Done:\r | |
2043 | CoreReleaseGcdIoLock ();\r | |
2044 | return Status;\r | |
022c6d45 | 2045 | }\r |
28a00297 | 2046 | \r |
aa927cae | 2047 | \r |
162ed594 | 2048 | /**\r |
2049 | Converts a Resource Descriptor HOB attributes mask to an EFI Memory Descriptor\r | |
2050 | capabilities mask\r | |
2051 | \r | |
022c6d45 | 2052 | @param GcdMemoryType Type of resource in the GCD memory map.\r |
2053 | @param Attributes The attribute mask in the Resource Descriptor\r | |
2054 | HOB.\r | |
162ed594 | 2055 | \r |
2056 | @return The capabilities mask for an EFI Memory Descriptor.\r | |
2057 | \r | |
2058 | **/\r | |
28a00297 | 2059 | UINT64\r |
2060 | CoreConvertResourceDescriptorHobAttributesToCapabilities (\r | |
2061 | EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
2062 | UINT64 Attributes\r | |
2063 | )\r | |
28a00297 | 2064 | {\r |
2065 | UINT64 Capabilities;\r | |
2066 | GCD_ATTRIBUTE_CONVERSION_ENTRY *Conversion;\r | |
022c6d45 | 2067 | \r |
28a00297 | 2068 | //\r |
2069 | // Convert the Resource HOB Attributes to an EFI Memory Capabilities mask\r | |
2070 | //\r | |
2071 | for (Capabilities = 0, Conversion = mAttributeConversionTable; Conversion->Attribute != 0; Conversion++) {\r | |
74705ca5 | 2072 | if (Conversion->Memory || ((GcdMemoryType != EfiGcdMemoryTypeSystemMemory) && (GcdMemoryType != EfiGcdMemoryTypeMoreReliable))) {\r |
28a00297 | 2073 | if (Attributes & Conversion->Attribute) {\r |
2074 | Capabilities |= Conversion->Capability;\r | |
2075 | }\r | |
2076 | }\r | |
2077 | }\r | |
022c6d45 | 2078 | \r |
28a00297 | 2079 | return Capabilities;\r |
2080 | }\r | |
2081 | \r | |
3a05b131 SZ |
2082 | /**\r |
2083 | Calculate total memory bin size neeeded.\r | |
2084 | \r | |
2085 | @return The total memory bin size neeeded.\r | |
2086 | \r | |
2087 | **/\r | |
2088 | UINT64\r | |
2089 | CalculateTotalMemoryBinSizeNeeded (\r | |
2090 | VOID\r | |
2091 | )\r | |
2092 | {\r | |
2093 | UINTN Index;\r | |
2094 | UINT64 TotalSize;\r | |
2095 | \r | |
2096 | //\r | |
2097 | // Loop through each memory type in the order specified by the gMemoryTypeInformation[] array\r | |
2098 | //\r | |
2099 | TotalSize = 0;\r | |
2100 | for (Index = 0; gMemoryTypeInformation[Index].Type != EfiMaxMemoryType; Index++) {\r | |
2101 | TotalSize += LShiftU64 (gMemoryTypeInformation[Index].NumberOfPages, EFI_PAGE_SHIFT);\r | |
2102 | }\r | |
2103 | \r | |
2104 | return TotalSize;\r | |
2105 | }\r | |
28a00297 | 2106 | \r |
162ed594 | 2107 | /**\r |
c18f12d3 | 2108 | External function. Initializes memory services based on the memory\r |
2109 | descriptor HOBs. This function is responsible for priming the memory\r | |
2110 | map, so memory allocations and resource allocations can be made.\r | |
2111 | The first part of this function can not depend on any memory services\r | |
2112 | until at least one memory descriptor is provided to the memory services.\r | |
28a00297 | 2113 | \r |
022c6d45 | 2114 | @param HobStart The start address of the HOB.\r |
2115 | @param MemoryBaseAddress Start address of memory region found to init DXE\r | |
2116 | core.\r | |
2117 | @param MemoryLength Length of memory region found to init DXE core.\r | |
28a00297 | 2118 | \r |
162ed594 | 2119 | @retval EFI_SUCCESS Memory services successfully initialized.\r |
28a00297 | 2120 | \r |
162ed594 | 2121 | **/\r |
2122 | EFI_STATUS\r | |
2123 | CoreInitializeMemoryServices (\r | |
2124 | IN VOID **HobStart,\r | |
2125 | OUT EFI_PHYSICAL_ADDRESS *MemoryBaseAddress,\r | |
2126 | OUT UINT64 *MemoryLength\r | |
2127 | )\r | |
28a00297 | 2128 | {\r |
2129 | EFI_PEI_HOB_POINTERS Hob;\r | |
2130 | EFI_MEMORY_TYPE_INFORMATION *EfiMemoryTypeInformation;\r | |
2131 | UINTN DataSize;\r | |
2132 | BOOLEAN Found;\r | |
2133 | EFI_HOB_HANDOFF_INFO_TABLE *PhitHob;\r | |
2134 | EFI_HOB_RESOURCE_DESCRIPTOR *ResourceHob;\r | |
2135 | EFI_HOB_RESOURCE_DESCRIPTOR *PhitResourceHob;\r | |
2136 | EFI_PHYSICAL_ADDRESS BaseAddress;\r | |
2137 | UINT64 Length;\r | |
2138 | UINT64 Attributes;\r | |
2139 | UINT64 Capabilities;\r | |
c4c085a2 | 2140 | EFI_PHYSICAL_ADDRESS TestedMemoryBaseAddress;\r |
2141 | UINT64 TestedMemoryLength;\r | |
28a00297 | 2142 | EFI_PHYSICAL_ADDRESS HighAddress;\r |
28a00297 | 2143 | EFI_HOB_GUID_TYPE *GuidHob;\r |
3a05b131 SZ |
2144 | UINT32 ReservedCodePageNumber;\r |
2145 | UINT64 MinimalMemorySizeNeeded;\r | |
28a00297 | 2146 | \r |
2147 | //\r | |
2148 | // Point at the first HOB. This must be the PHIT HOB.\r | |
2149 | //\r | |
2150 | Hob.Raw = *HobStart;\r | |
2151 | ASSERT (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_HANDOFF);\r | |
2152 | \r | |
2153 | //\r | |
2154 | // Initialize the spin locks and maps in the memory services.\r | |
2155 | // Also fill in the memory services into the EFI Boot Services Table\r | |
2156 | //\r | |
2157 | CoreInitializePool ();\r | |
2158 | \r | |
2159 | //\r | |
2160 | // Initialize Local Variables\r | |
2161 | //\r | |
2162 | PhitResourceHob = NULL;\r | |
28a00297 | 2163 | ResourceHob = NULL;\r |
2164 | BaseAddress = 0;\r | |
2165 | Length = 0;\r | |
2166 | Attributes = 0;\r | |
28a00297 | 2167 | \r |
2168 | //\r | |
2169 | // Cache the PHIT HOB for later use\r | |
2170 | //\r | |
2171 | PhitHob = Hob.HandoffInformationTable;\r | |
d1102dba | 2172 | \r |
852081fc | 2173 | if (PcdGet64(PcdLoadModuleAtFixAddressEnable) != 0) {\r |
d1102dba LG |
2174 | ReservedCodePageNumber = PcdGet32(PcdLoadFixAddressRuntimeCodePageNumber);\r |
2175 | ReservedCodePageNumber += PcdGet32(PcdLoadFixAddressBootTimeCodePageNumber);\r | |
2176 | \r | |
2177 | //\r | |
2178 | // cache the Top address for loading modules at Fixed Address\r | |
2179 | //\r | |
2180 | gLoadModuleAtFixAddressConfigurationTable.DxeCodeTopAddress = PhitHob->EfiMemoryTop\r | |
54ea99a7 | 2181 | + EFI_PAGES_TO_SIZE(ReservedCodePageNumber);\r |
2182 | }\r | |
28a00297 | 2183 | //\r |
2184 | // See if a Memory Type Information HOB is available\r | |
2185 | //\r | |
2186 | GuidHob = GetFirstGuidHob (&gEfiMemoryTypeInformationGuid);\r | |
2187 | if (GuidHob != NULL) {\r | |
2188 | EfiMemoryTypeInformation = GET_GUID_HOB_DATA (GuidHob);\r | |
2189 | DataSize = GET_GUID_HOB_DATA_SIZE (GuidHob);\r | |
2190 | if (EfiMemoryTypeInformation != NULL && DataSize > 0 && DataSize <= (EfiMaxMemoryType + 1) * sizeof (EFI_MEMORY_TYPE_INFORMATION)) {\r | |
2191 | CopyMem (&gMemoryTypeInformation, EfiMemoryTypeInformation, DataSize);\r | |
2192 | }\r | |
2193 | }\r | |
2194 | \r | |
3a05b131 SZ |
2195 | //\r |
2196 | // Include the total memory bin size needed to make sure memory bin could be allocated successfully.\r | |
2197 | //\r | |
2198 | MinimalMemorySizeNeeded = MINIMUM_INITIAL_MEMORY_SIZE + CalculateTotalMemoryBinSizeNeeded ();\r | |
2199 | \r | |
28a00297 | 2200 | //\r |
c4c085a2 | 2201 | // Find the Resource Descriptor HOB that contains PHIT range EfiFreeMemoryBottom..EfiFreeMemoryTop\r |
28a00297 | 2202 | //\r |
28a00297 | 2203 | Found = FALSE;\r |
2204 | for (Hob.Raw = *HobStart; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {\r | |
c4c085a2 | 2205 | //\r |
2206 | // Skip all HOBs except Resource Descriptor HOBs\r | |
2207 | //\r | |
2208 | if (GET_HOB_TYPE (Hob) != EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {\r | |
2209 | continue;\r | |
2210 | }\r | |
28a00297 | 2211 | \r |
c4c085a2 | 2212 | //\r |
2213 | // Skip Resource Descriptor HOBs that do not describe tested system memory\r | |
2214 | //\r | |
2215 | ResourceHob = Hob.ResourceDescriptor;\r | |
2216 | if (ResourceHob->ResourceType != EFI_RESOURCE_SYSTEM_MEMORY) {\r | |
2217 | continue;\r | |
2218 | }\r | |
2219 | if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) != TESTED_MEMORY_ATTRIBUTES) {\r | |
2220 | continue;\r | |
2221 | }\r | |
2222 | \r | |
2223 | //\r | |
2224 | // Skip Resource Descriptor HOBs that do not contain the PHIT range EfiFreeMemoryBottom..EfiFreeMemoryTop\r | |
2225 | //\r | |
2226 | if (PhitHob->EfiFreeMemoryBottom < ResourceHob->PhysicalStart) {\r | |
2227 | continue;\r | |
2228 | }\r | |
2229 | if (PhitHob->EfiFreeMemoryTop > (ResourceHob->PhysicalStart + ResourceHob->ResourceLength)) {\r | |
2230 | continue;\r | |
2231 | }\r | |
2232 | \r | |
2233 | //\r | |
2234 | // Cache the resource descriptor HOB for the memory region described by the PHIT HOB\r | |
2235 | //\r | |
2236 | PhitResourceHob = ResourceHob;\r | |
2237 | Found = TRUE;\r | |
2238 | \r | |
2239 | //\r | |
3a05b131 | 2240 | // Compute range between PHIT EfiMemoryTop and the end of the Resource Descriptor HOB\r |
c4c085a2 | 2241 | //\r |
2242 | Attributes = PhitResourceHob->ResourceAttribute;\r | |
2243 | BaseAddress = PageAlignAddress (PhitHob->EfiMemoryTop);\r | |
2244 | Length = PageAlignLength (ResourceHob->PhysicalStart + ResourceHob->ResourceLength - BaseAddress);\r | |
3a05b131 | 2245 | if (Length < MinimalMemorySizeNeeded) {\r |
c4c085a2 | 2246 | //\r |
d1102dba | 2247 | // If that range is not large enough to intialize the DXE Core, then\r |
c4c085a2 | 2248 | // Compute range between PHIT EfiFreeMemoryBottom and PHIT EfiFreeMemoryTop\r |
2249 | //\r | |
2250 | BaseAddress = PageAlignAddress (PhitHob->EfiFreeMemoryBottom);\r | |
2251 | Length = PageAlignLength (PhitHob->EfiFreeMemoryTop - BaseAddress);\r | |
3a05b131 | 2252 | if (Length < MinimalMemorySizeNeeded) {\r |
c4c085a2 | 2253 | //\r |
d1102dba | 2254 | // If that range is not large enough to intialize the DXE Core, then\r |
c4c085a2 | 2255 | // Compute range between the start of the Resource Descriptor HOB and the start of the HOB List\r |
2256 | //\r | |
2257 | BaseAddress = PageAlignAddress (ResourceHob->PhysicalStart);\r | |
2258 | Length = PageAlignLength ((UINT64)((UINTN)*HobStart - BaseAddress));\r | |
28a00297 | 2259 | }\r |
2260 | }\r | |
c4c085a2 | 2261 | break;\r |
28a00297 | 2262 | }\r |
2263 | \r | |
2264 | //\r | |
2265 | // Assert if a resource descriptor HOB for the memory region described by the PHIT was not found\r | |
2266 | //\r | |
2267 | ASSERT (Found);\r | |
2268 | \r | |
2269 | //\r | |
3a05b131 SZ |
2270 | // Take the range in the resource descriptor HOB for the memory region described\r |
2271 | // by the PHIT as higher priority if it is big enough. It can make the memory bin\r | |
2272 | // allocated to be at the same memory region with PHIT that has more better compatibility\r | |
2273 | // to avoid memory fragmentation for some code practices assume and allocate <4G ACPI memory.\r | |
28a00297 | 2274 | //\r |
3a05b131 | 2275 | if (Length < MinimalMemorySizeNeeded) {\r |
c4c085a2 | 2276 | //\r |
3a05b131 SZ |
2277 | // Search all the resource descriptor HOBs from the highest possible addresses down for a memory\r |
2278 | // region that is big enough to initialize the DXE core. Always skip the PHIT Resource HOB.\r | |
2279 | // The max address must be within the physically addressible range for the processor.\r | |
c4c085a2 | 2280 | //\r |
36b07547 | 2281 | HighAddress = MAX_ALLOC_ADDRESS;\r |
3a05b131 SZ |
2282 | for (Hob.Raw = *HobStart; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {\r |
2283 | //\r | |
2284 | // Skip the Resource Descriptor HOB that contains the PHIT\r | |
2285 | //\r | |
2286 | if (Hob.ResourceDescriptor == PhitResourceHob) {\r | |
2287 | continue;\r | |
2288 | }\r | |
2289 | //\r | |
2290 | // Skip all HOBs except Resource Descriptor HOBs\r | |
2291 | //\r | |
2292 | if (GET_HOB_TYPE (Hob) != EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {\r | |
2293 | continue;\r | |
2294 | }\r | |
28a00297 | 2295 | \r |
3a05b131 | 2296 | //\r |
36b07547 | 2297 | // Skip Resource Descriptor HOBs that do not describe tested system memory below MAX_ALLOC_ADDRESS\r |
3a05b131 SZ |
2298 | //\r |
2299 | ResourceHob = Hob.ResourceDescriptor;\r | |
2300 | if (ResourceHob->ResourceType != EFI_RESOURCE_SYSTEM_MEMORY) {\r | |
2301 | continue;\r | |
2302 | }\r | |
2303 | if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) != TESTED_MEMORY_ATTRIBUTES) {\r | |
2304 | continue;\r | |
2305 | }\r | |
36b07547 | 2306 | if ((ResourceHob->PhysicalStart + ResourceHob->ResourceLength) > (EFI_PHYSICAL_ADDRESS)MAX_ALLOC_ADDRESS) {\r |
3a05b131 SZ |
2307 | continue;\r |
2308 | }\r | |
c4c085a2 | 2309 | \r |
3a05b131 SZ |
2310 | //\r |
2311 | // Skip Resource Descriptor HOBs that are below a previously found Resource Descriptor HOB\r | |
2312 | //\r | |
36b07547 | 2313 | if (HighAddress != (EFI_PHYSICAL_ADDRESS)MAX_ALLOC_ADDRESS && ResourceHob->PhysicalStart <= HighAddress) {\r |
3a05b131 SZ |
2314 | continue;\r |
2315 | }\r | |
2316 | \r | |
2317 | //\r | |
2318 | // Skip Resource Descriptor HOBs that are not large enough to initilize the DXE Core\r | |
2319 | //\r | |
2320 | TestedMemoryBaseAddress = PageAlignAddress (ResourceHob->PhysicalStart);\r | |
2321 | TestedMemoryLength = PageAlignLength (ResourceHob->PhysicalStart + ResourceHob->ResourceLength - TestedMemoryBaseAddress);\r | |
2322 | if (TestedMemoryLength < MinimalMemorySizeNeeded) {\r | |
2323 | continue;\r | |
2324 | }\r | |
2325 | \r | |
2326 | //\r | |
2327 | // Save the range described by the Resource Descriptor that is large enough to initilize the DXE Core\r | |
2328 | //\r | |
2329 | BaseAddress = TestedMemoryBaseAddress;\r | |
2330 | Length = TestedMemoryLength;\r | |
d1102dba | 2331 | Attributes = ResourceHob->ResourceAttribute;\r |
3a05b131 | 2332 | HighAddress = ResourceHob->PhysicalStart;\r |
c4c085a2 | 2333 | }\r |
c4c085a2 | 2334 | }\r |
28a00297 | 2335 | \r |
3a05b131 SZ |
2336 | DEBUG ((EFI_D_INFO, "CoreInitializeMemoryServices:\n"));\r |
2337 | DEBUG ((EFI_D_INFO, " BaseAddress - 0x%lx Length - 0x%lx MinimalMemorySizeNeeded - 0x%lx\n", BaseAddress, Length, MinimalMemorySizeNeeded));\r | |
28a00297 | 2338 | \r |
2339 | //\r | |
2340 | // If no memory regions are found that are big enough to initialize the DXE core, then ASSERT().\r | |
2341 | //\r | |
3a05b131 | 2342 | ASSERT (Length >= MinimalMemorySizeNeeded);\r |
28a00297 | 2343 | \r |
2344 | //\r | |
2345 | // Convert the Resource HOB Attributes to an EFI Memory Capabilities mask\r | |
2346 | //\r | |
74705ca5 SZ |
2347 | if ((Attributes & EFI_RESOURCE_ATTRIBUTE_MORE_RELIABLE) == EFI_RESOURCE_ATTRIBUTE_MORE_RELIABLE) {\r |
2348 | Capabilities = CoreConvertResourceDescriptorHobAttributesToCapabilities (EfiGcdMemoryTypeMoreReliable, Attributes);\r | |
2349 | } else {\r | |
2350 | Capabilities = CoreConvertResourceDescriptorHobAttributesToCapabilities (EfiGcdMemoryTypeSystemMemory, Attributes);\r | |
2351 | }\r | |
28a00297 | 2352 | \r |
2353 | //\r | |
2354 | // Declare the very first memory region, so the EFI Memory Services are available.\r | |
2355 | //\r | |
2356 | CoreAddMemoryDescriptor (\r | |
2357 | EfiConventionalMemory,\r | |
2358 | BaseAddress,\r | |
2359 | RShiftU64 (Length, EFI_PAGE_SHIFT),\r | |
2360 | Capabilities\r | |
2361 | );\r | |
2362 | \r | |
2363 | *MemoryBaseAddress = BaseAddress;\r | |
2364 | *MemoryLength = Length;\r | |
2365 | \r | |
2366 | return EFI_SUCCESS;\r | |
2367 | }\r | |
2368 | \r | |
28a00297 | 2369 | \r |
162ed594 | 2370 | /**\r |
2371 | External function. Initializes the GCD and memory services based on the memory\r | |
28a00297 | 2372 | descriptor HOBs. This function is responsible for priming the GCD map and the\r |
c18f12d3 | 2373 | memory map, so memory allocations and resource allocations can be made. The\r |
2374 | HobStart will be relocated to a pool buffer.\r | |
28a00297 | 2375 | \r |
022c6d45 | 2376 | @param HobStart The start address of the HOB\r |
2377 | @param MemoryBaseAddress Start address of memory region found to init DXE\r | |
2378 | core.\r | |
2379 | @param MemoryLength Length of memory region found to init DXE core.\r | |
28a00297 | 2380 | \r |
162ed594 | 2381 | @retval EFI_SUCCESS GCD services successfully initialized.\r |
28a00297 | 2382 | \r |
162ed594 | 2383 | **/\r |
2384 | EFI_STATUS\r | |
2385 | CoreInitializeGcdServices (\r | |
e94a9ff7 | 2386 | IN OUT VOID **HobStart,\r |
162ed594 | 2387 | IN EFI_PHYSICAL_ADDRESS MemoryBaseAddress,\r |
2388 | IN UINT64 MemoryLength\r | |
2389 | )\r | |
28a00297 | 2390 | {\r |
e94a9ff7 | 2391 | EFI_PEI_HOB_POINTERS Hob;\r |
28a00297 | 2392 | VOID *NewHobList;\r |
e94a9ff7 | 2393 | EFI_HOB_HANDOFF_INFO_TABLE *PhitHob;\r |
28a00297 | 2394 | UINT8 SizeOfMemorySpace;\r |
2395 | UINT8 SizeOfIoSpace;\r | |
2396 | EFI_HOB_RESOURCE_DESCRIPTOR *ResourceHob;\r | |
2397 | EFI_PHYSICAL_ADDRESS BaseAddress;\r | |
2398 | UINT64 Length;\r | |
2399 | EFI_STATUS Status;\r | |
2400 | EFI_GCD_MAP_ENTRY *Entry;\r | |
2401 | EFI_GCD_MEMORY_TYPE GcdMemoryType;\r | |
2402 | EFI_GCD_IO_TYPE GcdIoType;\r | |
2403 | EFI_GCD_MEMORY_SPACE_DESCRIPTOR Descriptor;\r | |
2404 | EFI_HOB_MEMORY_ALLOCATION *MemoryHob;\r | |
2405 | EFI_HOB_FIRMWARE_VOLUME *FirmwareVolumeHob;\r | |
2406 | UINTN NumberOfDescriptors;\r | |
2407 | EFI_GCD_MEMORY_SPACE_DESCRIPTOR *MemorySpaceMap;\r | |
2408 | UINTN Index;\r | |
2409 | UINT64 Capabilities;\r | |
2410 | EFI_HOB_CPU * CpuHob;\r | |
a46bbdd3 | 2411 | EFI_GCD_MEMORY_SPACE_DESCRIPTOR *MemorySpaceMapHobList;\r |
e94a9ff7 | 2412 | \r |
28a00297 | 2413 | //\r |
2414 | // Cache the PHIT HOB for later use\r | |
2415 | //\r | |
2416 | PhitHob = (EFI_HOB_HANDOFF_INFO_TABLE *)(*HobStart);\r | |
2417 | \r | |
2418 | //\r | |
2419 | // Get the number of address lines in the I/O and Memory space for the CPU\r | |
2420 | //\r | |
2421 | CpuHob = GetFirstHob (EFI_HOB_TYPE_CPU);\r | |
2422 | ASSERT (CpuHob != NULL);\r | |
2423 | SizeOfMemorySpace = CpuHob->SizeOfMemorySpace;\r | |
2424 | SizeOfIoSpace = CpuHob->SizeOfIoSpace;\r | |
022c6d45 | 2425 | \r |
28a00297 | 2426 | //\r |
2427 | // Initialize the GCD Memory Space Map\r | |
2428 | //\r | |
9c4ac31c | 2429 | Entry = AllocateCopyPool (sizeof (EFI_GCD_MAP_ENTRY), &mGcdMemorySpaceMapEntryTemplate);\r |
28a00297 | 2430 | ASSERT (Entry != NULL);\r |
2431 | \r | |
2432 | Entry->EndAddress = LShiftU64 (1, SizeOfMemorySpace) - 1;\r | |
2433 | \r | |
2434 | InsertHeadList (&mGcdMemorySpaceMap, &Entry->Link);\r | |
2435 | \r | |
aa927cae | 2436 | CoreDumpGcdMemorySpaceMap (TRUE);\r |
d1102dba | 2437 | \r |
28a00297 | 2438 | //\r |
2439 | // Initialize the GCD I/O Space Map\r | |
2440 | //\r | |
9c4ac31c | 2441 | Entry = AllocateCopyPool (sizeof (EFI_GCD_MAP_ENTRY), &mGcdIoSpaceMapEntryTemplate);\r |
28a00297 | 2442 | ASSERT (Entry != NULL);\r |
2443 | \r | |
2444 | Entry->EndAddress = LShiftU64 (1, SizeOfIoSpace) - 1;\r | |
2445 | \r | |
2446 | InsertHeadList (&mGcdIoSpaceMap, &Entry->Link);\r | |
2447 | \r | |
aa927cae | 2448 | CoreDumpGcdIoSpaceMap (TRUE);\r |
d1102dba | 2449 | \r |
28a00297 | 2450 | //\r |
022c6d45 | 2451 | // Walk the HOB list and add all resource descriptors to the GCD\r |
28a00297 | 2452 | //\r |
2453 | for (Hob.Raw = *HobStart; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {\r | |
2454 | \r | |
2455 | GcdMemoryType = EfiGcdMemoryTypeNonExistent;\r | |
2456 | GcdIoType = EfiGcdIoTypeNonExistent;\r | |
2457 | \r | |
2458 | if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {\r | |
2459 | \r | |
2460 | ResourceHob = Hob.ResourceDescriptor;\r | |
2461 | \r | |
2462 | switch (ResourceHob->ResourceType) {\r | |
2463 | case EFI_RESOURCE_SYSTEM_MEMORY:\r | |
2464 | if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) == TESTED_MEMORY_ATTRIBUTES) {\r | |
74705ca5 SZ |
2465 | if ((ResourceHob->ResourceAttribute & EFI_RESOURCE_ATTRIBUTE_MORE_RELIABLE) == EFI_RESOURCE_ATTRIBUTE_MORE_RELIABLE) {\r |
2466 | GcdMemoryType = EfiGcdMemoryTypeMoreReliable;\r | |
2467 | } else {\r | |
2468 | GcdMemoryType = EfiGcdMemoryTypeSystemMemory;\r | |
2469 | }\r | |
28a00297 | 2470 | }\r |
2471 | if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) == INITIALIZED_MEMORY_ATTRIBUTES) {\r | |
2472 | GcdMemoryType = EfiGcdMemoryTypeReserved;\r | |
2473 | }\r | |
2474 | if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) == PRESENT_MEMORY_ATTRIBUTES) {\r | |
2475 | GcdMemoryType = EfiGcdMemoryTypeReserved;\r | |
2476 | }\r | |
a671a012 | 2477 | if ((ResourceHob->ResourceAttribute & EFI_RESOURCE_ATTRIBUTE_PERSISTENT) == EFI_RESOURCE_ATTRIBUTE_PERSISTENT) {\r |
35ac962b | 2478 | GcdMemoryType = EfiGcdMemoryTypePersistent;\r |
a671a012 | 2479 | }\r |
28a00297 | 2480 | break;\r |
2481 | case EFI_RESOURCE_MEMORY_MAPPED_IO:\r | |
2482 | case EFI_RESOURCE_FIRMWARE_DEVICE:\r | |
2483 | GcdMemoryType = EfiGcdMemoryTypeMemoryMappedIo;\r | |
2484 | break;\r | |
2485 | case EFI_RESOURCE_MEMORY_MAPPED_IO_PORT:\r | |
2486 | case EFI_RESOURCE_MEMORY_RESERVED:\r | |
2487 | GcdMemoryType = EfiGcdMemoryTypeReserved;\r | |
2488 | break;\r | |
2489 | case EFI_RESOURCE_IO:\r | |
2490 | GcdIoType = EfiGcdIoTypeIo;\r | |
2491 | break;\r | |
2492 | case EFI_RESOURCE_IO_RESERVED:\r | |
2493 | GcdIoType = EfiGcdIoTypeReserved;\r | |
2494 | break;\r | |
2495 | }\r | |
2496 | \r | |
2497 | if (GcdMemoryType != EfiGcdMemoryTypeNonExistent) {\r | |
d12a2ecb | 2498 | //\r |
2499 | // Validate the Resource HOB Attributes\r | |
2500 | //\r | |
2501 | CoreValidateResourceDescriptorHobAttributes (ResourceHob->ResourceAttribute);\r | |
2502 | \r | |
28a00297 | 2503 | //\r |
2504 | // Convert the Resource HOB Attributes to an EFI Memory Capabilities mask\r | |
2505 | //\r | |
2506 | Capabilities = CoreConvertResourceDescriptorHobAttributesToCapabilities (\r | |
2507 | GcdMemoryType,\r | |
2508 | ResourceHob->ResourceAttribute\r | |
2509 | );\r | |
2510 | \r | |
2511 | Status = CoreInternalAddMemorySpace (\r | |
2512 | GcdMemoryType,\r | |
2513 | ResourceHob->PhysicalStart,\r | |
2514 | ResourceHob->ResourceLength,\r | |
2515 | Capabilities\r | |
2516 | );\r | |
2517 | }\r | |
2518 | \r | |
2519 | if (GcdIoType != EfiGcdIoTypeNonExistent) {\r | |
2520 | Status = CoreAddIoSpace (\r | |
2521 | GcdIoType,\r | |
2522 | ResourceHob->PhysicalStart,\r | |
2523 | ResourceHob->ResourceLength\r | |
2524 | );\r | |
2525 | }\r | |
2526 | }\r | |
2527 | }\r | |
2528 | \r | |
2529 | //\r | |
2530 | // Allocate first memory region from the GCD by the DXE core\r | |
2531 | //\r | |
74705ca5 SZ |
2532 | Status = CoreGetMemorySpaceDescriptor (MemoryBaseAddress, &Descriptor);\r |
2533 | if (!EFI_ERROR (Status)) {\r | |
2534 | ASSERT ((Descriptor.GcdMemoryType == EfiGcdMemoryTypeSystemMemory) ||\r | |
2535 | (Descriptor.GcdMemoryType == EfiGcdMemoryTypeMoreReliable));\r | |
2536 | Status = CoreAllocateMemorySpace (\r | |
2537 | EfiGcdAllocateAddress,\r | |
2538 | Descriptor.GcdMemoryType,\r | |
2539 | 0,\r | |
2540 | MemoryLength,\r | |
2541 | &MemoryBaseAddress,\r | |
2542 | gDxeCoreImageHandle,\r | |
2543 | NULL\r | |
2544 | );\r | |
2545 | }\r | |
28a00297 | 2546 | \r |
2547 | //\r | |
2548 | // Walk the HOB list and allocate all memory space that is consumed by memory allocation HOBs,\r | |
2549 | // and Firmware Volume HOBs. Also update the EFI Memory Map with the memory allocation HOBs.\r | |
2550 | //\r | |
2551 | for (Hob.Raw = *HobStart; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {\r | |
2552 | if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_MEMORY_ALLOCATION) {\r | |
2553 | MemoryHob = Hob.MemoryAllocation;\r | |
2554 | BaseAddress = MemoryHob->AllocDescriptor.MemoryBaseAddress;\r | |
f942f107 | 2555 | Status = CoreGetMemorySpaceDescriptor (BaseAddress, &Descriptor);\r |
28a00297 | 2556 | if (!EFI_ERROR (Status)) {\r |
f942f107 | 2557 | Status = CoreAllocateMemorySpace (\r |
2558 | EfiGcdAllocateAddress,\r | |
022c6d45 | 2559 | Descriptor.GcdMemoryType,\r |
f942f107 | 2560 | 0,\r |
2561 | MemoryHob->AllocDescriptor.MemoryLength,\r | |
2562 | &BaseAddress,\r | |
2563 | gDxeCoreImageHandle,\r | |
2564 | NULL\r | |
2565 | );\r | |
74705ca5 SZ |
2566 | if (!EFI_ERROR (Status) &&\r |
2567 | ((Descriptor.GcdMemoryType == EfiGcdMemoryTypeSystemMemory) ||\r | |
2568 | (Descriptor.GcdMemoryType == EfiGcdMemoryTypeMoreReliable))) {\r | |
28a00297 | 2569 | CoreAddMemoryDescriptor (\r |
2570 | MemoryHob->AllocDescriptor.MemoryType,\r | |
2571 | MemoryHob->AllocDescriptor.MemoryBaseAddress,\r | |
2572 | RShiftU64 (MemoryHob->AllocDescriptor.MemoryLength, EFI_PAGE_SHIFT),\r | |
2573 | Descriptor.Capabilities & (~EFI_MEMORY_RUNTIME)\r | |
2574 | );\r | |
2575 | }\r | |
2576 | }\r | |
2577 | }\r | |
2578 | \r | |
2579 | if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_FV) {\r | |
2580 | FirmwareVolumeHob = Hob.FirmwareVolume;\r | |
2581 | BaseAddress = FirmwareVolumeHob->BaseAddress;\r | |
2582 | Status = CoreAllocateMemorySpace (\r | |
2583 | EfiGcdAllocateAddress,\r | |
022c6d45 | 2584 | EfiGcdMemoryTypeMemoryMappedIo,\r |
28a00297 | 2585 | 0,\r |
2586 | FirmwareVolumeHob->Length,\r | |
2587 | &BaseAddress,\r | |
2588 | gDxeCoreImageHandle,\r | |
2589 | NULL\r | |
2590 | );\r | |
2591 | }\r | |
2592 | }\r | |
2593 | \r | |
28a00297 | 2594 | //\r |
2595 | // Add and allocate the remaining unallocated system memory to the memory services.\r | |
2596 | //\r | |
2597 | Status = CoreGetMemorySpaceMap (&NumberOfDescriptors, &MemorySpaceMap);\r | |
311a71b2 | 2598 | ASSERT (Status == EFI_SUCCESS);\r |
2599 | \r | |
a46bbdd3 | 2600 | MemorySpaceMapHobList = NULL;\r |
28a00297 | 2601 | for (Index = 0; Index < NumberOfDescriptors; Index++) {\r |
74705ca5 SZ |
2602 | if ((MemorySpaceMap[Index].GcdMemoryType == EfiGcdMemoryTypeSystemMemory) ||\r |
2603 | (MemorySpaceMap[Index].GcdMemoryType == EfiGcdMemoryTypeMoreReliable)) {\r | |
28a00297 | 2604 | if (MemorySpaceMap[Index].ImageHandle == NULL) {\r |
2605 | BaseAddress = PageAlignAddress (MemorySpaceMap[Index].BaseAddress);\r | |
2606 | Length = PageAlignLength (MemorySpaceMap[Index].BaseAddress + MemorySpaceMap[Index].Length - BaseAddress);\r | |
383c303c | 2607 | if (Length == 0 || MemorySpaceMap[Index].BaseAddress + MemorySpaceMap[Index].Length < BaseAddress) {\r |
2608 | continue;\r | |
2609 | }\r | |
a46bbdd3 SZ |
2610 | if (((UINTN) MemorySpaceMap[Index].BaseAddress <= (UINTN) (*HobStart)) &&\r |
2611 | ((UINTN) (MemorySpaceMap[Index].BaseAddress + MemorySpaceMap[Index].Length) >= (UINTN) PhitHob->EfiFreeMemoryBottom)) {\r | |
2612 | //\r | |
2613 | // Skip the memory space that covers HOB List, it should be processed\r | |
2614 | // after HOB List relocation to avoid the resources allocated by others\r | |
2615 | // to corrupt HOB List before its relocation.\r | |
2616 | //\r | |
2617 | MemorySpaceMapHobList = &MemorySpaceMap[Index];\r | |
2618 | continue;\r | |
2619 | }\r | |
28a00297 | 2620 | CoreAddMemoryDescriptor (\r |
2621 | EfiConventionalMemory,\r | |
2622 | BaseAddress,\r | |
2623 | RShiftU64 (Length, EFI_PAGE_SHIFT),\r | |
2624 | MemorySpaceMap[Index].Capabilities & (~EFI_MEMORY_RUNTIME)\r | |
2625 | );\r | |
2626 | Status = CoreAllocateMemorySpace (\r | |
2627 | EfiGcdAllocateAddress,\r | |
74705ca5 | 2628 | MemorySpaceMap[Index].GcdMemoryType,\r |
28a00297 | 2629 | 0,\r |
2630 | Length,\r | |
2631 | &BaseAddress,\r | |
2632 | gDxeCoreImageHandle,\r | |
2633 | NULL\r | |
2634 | );\r | |
2635 | }\r | |
2636 | }\r | |
2637 | }\r | |
a46bbdd3 SZ |
2638 | \r |
2639 | //\r | |
2640 | // Relocate HOB List to an allocated pool buffer.\r | |
2641 | // The relocation should be at after all the tested memory resources added\r | |
2642 | // (except the memory space that covers HOB List) to the memory services,\r | |
2643 | // because the memory resource found in CoreInitializeMemoryServices()\r | |
2644 | // may have not enough remaining resource for HOB List.\r | |
2645 | //\r | |
2646 | NewHobList = AllocateCopyPool (\r | |
2647 | (UINTN) PhitHob->EfiFreeMemoryBottom - (UINTN) (*HobStart),\r | |
2648 | *HobStart\r | |
2649 | );\r | |
2650 | ASSERT (NewHobList != NULL);\r | |
2651 | \r | |
2652 | *HobStart = NewHobList;\r | |
2653 | gHobList = NewHobList;\r | |
2654 | \r | |
2655 | if (MemorySpaceMapHobList != NULL) {\r | |
2656 | //\r | |
2657 | // Add and allocate the memory space that covers HOB List to the memory services\r | |
2658 | // after HOB List relocation.\r | |
2659 | //\r | |
2660 | BaseAddress = PageAlignAddress (MemorySpaceMapHobList->BaseAddress);\r | |
2661 | Length = PageAlignLength (MemorySpaceMapHobList->BaseAddress + MemorySpaceMapHobList->Length - BaseAddress);\r | |
2662 | CoreAddMemoryDescriptor (\r | |
2663 | EfiConventionalMemory,\r | |
2664 | BaseAddress,\r | |
2665 | RShiftU64 (Length, EFI_PAGE_SHIFT),\r | |
2666 | MemorySpaceMapHobList->Capabilities & (~EFI_MEMORY_RUNTIME)\r | |
2667 | );\r | |
2668 | Status = CoreAllocateMemorySpace (\r | |
2669 | EfiGcdAllocateAddress,\r | |
2670 | MemorySpaceMapHobList->GcdMemoryType,\r | |
2671 | 0,\r | |
2672 | Length,\r | |
2673 | &BaseAddress,\r | |
2674 | gDxeCoreImageHandle,\r | |
2675 | NULL\r | |
2676 | );\r | |
2677 | }\r | |
2678 | \r | |
28a00297 | 2679 | CoreFreePool (MemorySpaceMap);\r |
2680 | \r | |
2681 | return EFI_SUCCESS;\r | |
2682 | }\r |