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23c98c94 | 1 | /** @file\r |
2 | The file contains the GCD related services in the EFI Boot Services Table.\r | |
022c6d45 | 3 | The GCD services are used to manage the memory and I/O regions that\r |
e94a9ff7 | 4 | are accessible to the CPU that is executing the DXE core.\r |
504214c4 | 5 | \r |
a671a012 | 6 | Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR>\r |
cd5ebaa0 | 7 | This program and the accompanying materials\r |
23c98c94 | 8 | are licensed and made available under the terms and conditions of the BSD License\r |
9 | which accompanies this distribution. The full text of the license may be found at\r | |
10 | http://opensource.org/licenses/bsd-license.php\r | |
11 | \r | |
12 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
13 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
28a00297 | 14 | \r |
504214c4 | 15 | **/\r |
28a00297 | 16 | \r |
9c4ac31c | 17 | #include "DxeMain.h"\r |
ec90508b | 18 | #include "Gcd.h"\r |
28a00297 | 19 | \r |
20 | #define MINIMUM_INITIAL_MEMORY_SIZE 0x10000\r | |
21 | \r | |
22 | #define MEMORY_ATTRIBUTE_MASK (EFI_RESOURCE_ATTRIBUTE_PRESENT | \\r | |
23 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED | \\r | |
24 | EFI_RESOURCE_ATTRIBUTE_TESTED | \\r | |
25 | EFI_RESOURCE_ATTRIBUTE_READ_PROTECTED | \\r | |
26 | EFI_RESOURCE_ATTRIBUTE_WRITE_PROTECTED | \\r | |
27 | EFI_RESOURCE_ATTRIBUTE_EXECUTION_PROTECTED | \\r | |
6db13692 | 28 | EFI_RESOURCE_ATTRIBUTE_READ_ONLY_PROTECTED | \\r |
28a00297 | 29 | EFI_RESOURCE_ATTRIBUTE_16_BIT_IO | \\r |
30 | EFI_RESOURCE_ATTRIBUTE_32_BIT_IO | \\r | |
a671a012 LG |
31 | EFI_RESOURCE_ATTRIBUTE_64_BIT_IO | \\r |
32 | EFI_RESOURCE_ATTRIBUTE_PERSISTENT )\r | |
28a00297 | 33 | \r |
34 | #define TESTED_MEMORY_ATTRIBUTES (EFI_RESOURCE_ATTRIBUTE_PRESENT | \\r | |
35 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED | \\r | |
36 | EFI_RESOURCE_ATTRIBUTE_TESTED )\r | |
37 | \r | |
38 | #define INITIALIZED_MEMORY_ATTRIBUTES (EFI_RESOURCE_ATTRIBUTE_PRESENT | \\r | |
39 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED )\r | |
40 | \r | |
41 | #define PRESENT_MEMORY_ATTRIBUTES (EFI_RESOURCE_ATTRIBUTE_PRESENT)\r | |
42 | \r | |
43 | #define INVALID_CPU_ARCH_ATTRIBUTES 0xffffffff\r | |
44 | \r | |
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 | |
ee50ff41 | 111 | "PersisMem", // EfiGcdMemoryTypePersistentMemory\r |
74705ca5 | 112 | "MoreRelia", // EfiGcdMemoryTypeMoreReliable\r |
f9d1f97c | 113 | "Unknown " // EfiGcdMemoryTypeMaximum\r |
114 | };\r | |
115 | \r | |
116 | ///\r | |
117 | /// Lookup table used to print GCD I/O Space Map\r | |
118 | ///\r | |
119 | GLOBAL_REMOVE_IF_UNREFERENCED CONST CHAR8 *mGcdIoTypeNames[] = {\r | |
120 | "NonExist", // EfiGcdIoTypeNonExistent\r | |
121 | "Reserved", // EfiGcdIoTypeReserved\r | |
122 | "I/O ", // EfiGcdIoTypeIo\r | |
123 | "Unknown " // EfiGcdIoTypeMaximum \r | |
124 | };\r | |
125 | \r | |
126 | ///\r | |
127 | /// Lookup table used to print GCD Allocation Types\r | |
128 | ///\r | |
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 |
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 | |
156 | \r | |
157 | Status = CoreGetMemorySpaceMap (&NumberOfDescriptors, &MemorySpaceMap);\r | |
3d267c70 | 158 | ASSERT (Status == EFI_SUCCESS && MemorySpaceMap != NULL);\r |
aa927cae | 159 | \r |
160 | if (InitialMap) {\r | |
161 | DEBUG ((DEBUG_GCD, "GCD:Initial GCD Memory Space Map\n"));\r | |
162 | }\r | |
163 | DEBUG ((DEBUG_GCD, "GCDMemType Range Capabilities Attributes \n"));\r | |
164 | DEBUG ((DEBUG_GCD, "========== ================================= ================ ================\n"));\r | |
165 | for (Index = 0; Index < NumberOfDescriptors; Index++) {\r | |
166 | DEBUG ((DEBUG_GCD, "%a %016lx-%016lx %016lx %016lx%c\n", \r | |
167 | mGcdMemoryTypeNames[MIN (MemorySpaceMap[Index].GcdMemoryType, EfiGcdMemoryTypeMaximum)],\r | |
168 | MemorySpaceMap[Index].BaseAddress, \r | |
169 | MemorySpaceMap[Index].BaseAddress + MemorySpaceMap[Index].Length - 1,\r | |
170 | MemorySpaceMap[Index].Capabilities, \r | |
171 | MemorySpaceMap[Index].Attributes,\r | |
172 | MemorySpaceMap[Index].ImageHandle == NULL ? ' ' : '*'\r | |
173 | ));\r | |
174 | }\r | |
175 | DEBUG ((DEBUG_GCD, "\n"));\r | |
176 | FreePool (MemorySpaceMap);\r | |
177 | );\r | |
f9d1f97c | 178 | }\r |
179 | \r | |
180 | /**\r | |
181 | Dump the entire contents if the GCD I/O Space Map using DEBUG() macros when \r | |
182 | PcdDebugPrintErrorLevel has the DEBUG_GCD bit set.\r | |
183 | \r | |
aa927cae | 184 | @param InitialMap TRUE if the initial GCD I/O Map is being dumped. Otherwise, FALSE.\r |
185 | \r | |
f9d1f97c | 186 | **/\r |
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 | |
198 | \r | |
199 | Status = CoreGetIoSpaceMap (&NumberOfDescriptors, &IoSpaceMap);\r | |
3d267c70 | 200 | ASSERT (Status == EFI_SUCCESS && IoSpaceMap != NULL);\r |
aa927cae | 201 | \r |
202 | if (InitialMap) {\r | |
203 | DEBUG ((DEBUG_GCD, "GCD:Initial GCD I/O Space Map\n"));\r | |
204 | } \r | |
205 | \r | |
206 | DEBUG ((DEBUG_GCD, "GCDIoType Range \n"));\r | |
207 | DEBUG ((DEBUG_GCD, "========== =================================\n"));\r | |
208 | for (Index = 0; Index < NumberOfDescriptors; Index++) {\r | |
209 | DEBUG ((DEBUG_GCD, "%a %016lx-%016lx%c\n", \r | |
210 | mGcdIoTypeNames[MIN (IoSpaceMap[Index].GcdIoType, EfiGcdIoTypeMaximum)],\r | |
211 | IoSpaceMap[Index].BaseAddress, \r | |
212 | IoSpaceMap[Index].BaseAddress + IoSpaceMap[Index].Length - 1,\r | |
213 | IoSpaceMap[Index].ImageHandle == NULL ? ' ' : '*'\r | |
214 | ));\r | |
215 | }\r | |
216 | DEBUG ((DEBUG_GCD, "\n"));\r | |
217 | FreePool (IoSpaceMap);\r | |
218 | );\r | |
f9d1f97c | 219 | }\r |
220 | \r | |
d12a2ecb | 221 | /**\r |
222 | Validate resource descriptor HOB's attributes.\r | |
223 | \r | |
224 | If Attributes includes some memory resource's settings, it should include \r | |
225 | the corresponding capabilites also.\r | |
f9d1f97c | 226 | \r |
d12a2ecb | 227 | @param Attributes Resource descriptor HOB attributes.\r |
228 | \r | |
229 | **/\r | |
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 |
9c4ac31c | 387 | *TopEntry = AllocateZeroPool (sizeof (EFI_GCD_MAP_ENTRY));\r |
28a00297 | 388 | if (*TopEntry == NULL) {\r |
389 | return EFI_OUT_OF_RESOURCES;\r | |
390 | }\r | |
391 | \r | |
9c4ac31c | 392 | *BottomEntry = AllocateZeroPool (sizeof (EFI_GCD_MAP_ENTRY));\r |
28a00297 | 393 | if (*BottomEntry == NULL) {\r |
394 | CoreFreePool (*TopEntry);\r | |
395 | return EFI_OUT_OF_RESOURCES;\r | |
396 | }\r | |
397 | \r | |
398 | return EFI_SUCCESS;\r | |
399 | }\r | |
400 | \r | |
162ed594 | 401 | \r |
402 | /**\r | |
403 | Internal function. Inserts a new descriptor into a sorted list\r | |
404 | \r | |
022c6d45 | 405 | @param Link The linked list to insert the range BaseAddress\r |
406 | and Length into\r | |
407 | @param Entry A pointer to the entry that is inserted\r | |
408 | @param BaseAddress The base address of the new range\r | |
409 | @param Length The length of the new range in bytes\r | |
410 | @param TopEntry Top pad entry to insert if needed.\r | |
411 | @param BottomEntry Bottom pad entry to insert if needed.\r | |
162ed594 | 412 | \r |
413 | @retval EFI_SUCCESS The new range was inserted into the linked list\r | |
414 | \r | |
415 | **/\r | |
28a00297 | 416 | EFI_STATUS\r |
417 | CoreInsertGcdMapEntry (\r | |
418 | IN LIST_ENTRY *Link,\r | |
419 | IN EFI_GCD_MAP_ENTRY *Entry,\r | |
420 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
421 | IN UINT64 Length,\r | |
422 | IN EFI_GCD_MAP_ENTRY *TopEntry,\r | |
423 | IN EFI_GCD_MAP_ENTRY *BottomEntry\r | |
424 | )\r | |
28a00297 | 425 | {\r |
426 | ASSERT (Length != 0);\r | |
28a00297 | 427 | \r |
428 | if (BaseAddress > Entry->BaseAddress) {\r | |
f75316c3 | 429 | ASSERT (BottomEntry->Signature == 0);\r |
430 | \r | |
28a00297 | 431 | CopyMem (BottomEntry, Entry, sizeof (EFI_GCD_MAP_ENTRY));\r |
432 | Entry->BaseAddress = BaseAddress;\r | |
433 | BottomEntry->EndAddress = BaseAddress - 1;\r | |
434 | InsertTailList (Link, &BottomEntry->Link);\r | |
022c6d45 | 435 | }\r |
28a00297 | 436 | \r |
437 | if ((BaseAddress + Length - 1) < Entry->EndAddress) {\r | |
f75316c3 | 438 | ASSERT (TopEntry->Signature == 0);\r |
439 | \r | |
28a00297 | 440 | CopyMem (TopEntry, Entry, sizeof (EFI_GCD_MAP_ENTRY));\r |
441 | TopEntry->BaseAddress = BaseAddress + Length;\r | |
442 | Entry->EndAddress = BaseAddress + Length - 1;\r | |
443 | InsertHeadList (Link, &TopEntry->Link);\r | |
444 | }\r | |
445 | \r | |
446 | return EFI_SUCCESS;\r | |
447 | }\r | |
448 | \r | |
162ed594 | 449 | \r |
450 | /**\r | |
e94a9ff7 | 451 | Merge the Gcd region specified by Link and its adjacent entry.\r |
162ed594 | 452 | \r |
022c6d45 | 453 | @param Link Specify the entry to be merged (with its\r |
454 | adjacent entry).\r | |
455 | @param Forward Direction (forward or backward).\r | |
456 | @param Map Boundary.\r | |
162ed594 | 457 | \r |
022c6d45 | 458 | @retval EFI_SUCCESS Successfully returned.\r |
162ed594 | 459 | @retval EFI_UNSUPPORTED These adjacent regions could not merge.\r |
460 | \r | |
461 | **/\r | |
28a00297 | 462 | EFI_STATUS\r |
463 | CoreMergeGcdMapEntry (\r | |
464 | IN LIST_ENTRY *Link,\r | |
465 | IN BOOLEAN Forward,\r | |
466 | IN LIST_ENTRY *Map\r | |
467 | )\r | |
28a00297 | 468 | {\r |
469 | LIST_ENTRY *AdjacentLink;\r | |
470 | EFI_GCD_MAP_ENTRY *Entry;\r | |
471 | EFI_GCD_MAP_ENTRY *AdjacentEntry;\r | |
472 | \r | |
473 | //\r | |
474 | // Get adjacent entry\r | |
475 | //\r | |
476 | if (Forward) {\r | |
477 | AdjacentLink = Link->ForwardLink;\r | |
478 | } else {\r | |
479 | AdjacentLink = Link->BackLink;\r | |
480 | }\r | |
481 | \r | |
482 | //\r | |
483 | // If AdjacentLink is the head of the list, then no merge can be performed\r | |
484 | //\r | |
485 | if (AdjacentLink == Map) {\r | |
486 | return EFI_SUCCESS;\r | |
487 | }\r | |
488 | \r | |
489 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
490 | AdjacentEntry = CR (AdjacentLink, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
491 | \r | |
492 | if (Entry->Capabilities != AdjacentEntry->Capabilities) {\r | |
493 | return EFI_UNSUPPORTED;\r | |
494 | }\r | |
495 | if (Entry->Attributes != AdjacentEntry->Attributes) {\r | |
496 | return EFI_UNSUPPORTED;\r | |
497 | }\r | |
498 | if (Entry->GcdMemoryType != AdjacentEntry->GcdMemoryType) {\r | |
499 | return EFI_UNSUPPORTED;\r | |
500 | }\r | |
501 | if (Entry->GcdIoType != AdjacentEntry->GcdIoType) {\r | |
502 | return EFI_UNSUPPORTED;\r | |
503 | }\r | |
504 | if (Entry->ImageHandle != AdjacentEntry->ImageHandle) {\r | |
505 | return EFI_UNSUPPORTED;\r | |
506 | }\r | |
507 | if (Entry->DeviceHandle != AdjacentEntry->DeviceHandle) {\r | |
508 | return EFI_UNSUPPORTED;\r | |
509 | }\r | |
510 | \r | |
511 | if (Forward) {\r | |
512 | Entry->EndAddress = AdjacentEntry->EndAddress;\r | |
513 | } else {\r | |
514 | Entry->BaseAddress = AdjacentEntry->BaseAddress;\r | |
515 | }\r | |
516 | RemoveEntryList (AdjacentLink);\r | |
517 | CoreFreePool (AdjacentEntry);\r | |
518 | \r | |
519 | return EFI_SUCCESS;\r | |
520 | }\r | |
521 | \r | |
162ed594 | 522 | \r |
523 | /**\r | |
524 | Merge adjacent entries on total chain.\r | |
525 | \r | |
022c6d45 | 526 | @param TopEntry Top entry of GCD map.\r |
527 | @param BottomEntry Bottom entry of GCD map.\r | |
528 | @param StartLink Start link of the list for this loop.\r | |
529 | @param EndLink End link of the list for this loop.\r | |
530 | @param Map Boundary.\r | |
162ed594 | 531 | \r |
532 | @retval EFI_SUCCESS GCD map successfully cleaned up.\r | |
533 | \r | |
534 | **/\r | |
28a00297 | 535 | EFI_STATUS\r |
536 | CoreCleanupGcdMapEntry (\r | |
537 | IN EFI_GCD_MAP_ENTRY *TopEntry,\r | |
538 | IN EFI_GCD_MAP_ENTRY *BottomEntry,\r | |
539 | IN LIST_ENTRY *StartLink,\r | |
540 | IN LIST_ENTRY *EndLink,\r | |
541 | IN LIST_ENTRY *Map\r | |
542 | )\r | |
28a00297 | 543 | {\r |
544 | LIST_ENTRY *Link;\r | |
545 | \r | |
546 | if (TopEntry->Signature == 0) {\r | |
547 | CoreFreePool (TopEntry);\r | |
548 | }\r | |
549 | if (BottomEntry->Signature == 0) {\r | |
550 | CoreFreePool (BottomEntry);\r | |
551 | }\r | |
552 | \r | |
553 | Link = StartLink;\r | |
554 | while (Link != EndLink->ForwardLink) {\r | |
555 | CoreMergeGcdMapEntry (Link, FALSE, Map);\r | |
556 | Link = Link->ForwardLink;\r | |
557 | }\r | |
558 | CoreMergeGcdMapEntry (EndLink, TRUE, Map);\r | |
559 | \r | |
560 | return EFI_SUCCESS;\r | |
561 | }\r | |
562 | \r | |
162ed594 | 563 | \r |
564 | /**\r | |
565 | Search a segment of memory space in GCD map. The result is a range of GCD entry list.\r | |
566 | \r | |
022c6d45 | 567 | @param BaseAddress The start address of the segment.\r |
568 | @param Length The length of the segment.\r | |
569 | @param StartLink The first GCD entry involves this segment of\r | |
570 | memory space.\r | |
571 | @param EndLink The first GCD entry involves this segment of\r | |
572 | memory space.\r | |
573 | @param Map Points to the start entry to search.\r | |
162ed594 | 574 | \r |
022c6d45 | 575 | @retval EFI_SUCCESS Successfully found the entry.\r |
162ed594 | 576 | @retval EFI_NOT_FOUND Not found.\r |
577 | \r | |
578 | **/\r | |
28a00297 | 579 | EFI_STATUS\r |
580 | CoreSearchGcdMapEntry (\r | |
581 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
582 | IN UINT64 Length,\r | |
583 | OUT LIST_ENTRY **StartLink,\r | |
584 | OUT LIST_ENTRY **EndLink,\r | |
585 | IN LIST_ENTRY *Map\r | |
586 | )\r | |
28a00297 | 587 | {\r |
588 | LIST_ENTRY *Link;\r | |
589 | EFI_GCD_MAP_ENTRY *Entry;\r | |
590 | \r | |
591 | ASSERT (Length != 0);\r | |
592 | \r | |
593 | *StartLink = NULL;\r | |
594 | *EndLink = NULL;\r | |
595 | \r | |
596 | Link = Map->ForwardLink;\r | |
597 | while (Link != Map) {\r | |
598 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
599 | if (BaseAddress >= Entry->BaseAddress && BaseAddress <= Entry->EndAddress) {\r | |
600 | *StartLink = Link;\r | |
601 | }\r | |
602 | if (*StartLink != NULL) {\r | |
022c6d45 | 603 | if ((BaseAddress + Length - 1) >= Entry->BaseAddress &&\r |
28a00297 | 604 | (BaseAddress + Length - 1) <= Entry->EndAddress ) {\r |
605 | *EndLink = Link;\r | |
606 | return EFI_SUCCESS;\r | |
607 | }\r | |
608 | }\r | |
609 | Link = Link->ForwardLink;\r | |
610 | }\r | |
e94a9ff7 | 611 | \r |
28a00297 | 612 | return EFI_NOT_FOUND;\r |
613 | }\r | |
614 | \r | |
28a00297 | 615 | \r |
162ed594 | 616 | /**\r |
28a00297 | 617 | Count the amount of GCD map entries.\r |
618 | \r | |
022c6d45 | 619 | @param Map Points to the start entry to do the count loop.\r |
28a00297 | 620 | \r |
162ed594 | 621 | @return The count.\r |
28a00297 | 622 | \r |
162ed594 | 623 | **/\r |
162ed594 | 624 | UINTN\r |
625 | CoreCountGcdMapEntry (\r | |
626 | IN LIST_ENTRY *Map\r | |
627 | )\r | |
28a00297 | 628 | {\r |
629 | UINTN Count;\r | |
630 | LIST_ENTRY *Link;\r | |
631 | \r | |
632 | Count = 0;\r | |
633 | Link = Map->ForwardLink;\r | |
634 | while (Link != Map) {\r | |
635 | Count++;\r | |
636 | Link = Link->ForwardLink;\r | |
637 | }\r | |
022c6d45 | 638 | \r |
28a00297 | 639 | return Count;\r |
640 | }\r | |
641 | \r | |
642 | \r | |
28a00297 | 643 | \r |
162ed594 | 644 | /**\r |
28a00297 | 645 | Return the memory attribute specified by Attributes\r |
646 | \r | |
022c6d45 | 647 | @param Attributes A num with some attribute bits on.\r |
28a00297 | 648 | \r |
162ed594 | 649 | @return The enum value of memory attribute.\r |
28a00297 | 650 | \r |
162ed594 | 651 | **/\r |
162ed594 | 652 | UINT64\r |
653 | ConverToCpuArchAttributes (\r | |
654 | UINT64 Attributes\r | |
23c98c94 | 655 | )\r |
28a00297 | 656 | {\r |
657 | if ( (Attributes & EFI_MEMORY_UC) == EFI_MEMORY_UC) {\r | |
658 | return EFI_MEMORY_UC;\r | |
659 | }\r | |
660 | \r | |
661 | if ( (Attributes & EFI_MEMORY_WC ) == EFI_MEMORY_WC) {\r | |
662 | return EFI_MEMORY_WC;\r | |
663 | }\r | |
664 | \r | |
665 | if ( (Attributes & EFI_MEMORY_WT ) == EFI_MEMORY_WT) {\r | |
666 | return EFI_MEMORY_WT;\r | |
667 | }\r | |
668 | \r | |
669 | if ( (Attributes & EFI_MEMORY_WB) == EFI_MEMORY_WB) {\r | |
670 | return EFI_MEMORY_WB;\r | |
671 | }\r | |
672 | \r | |
673 | if ( (Attributes & EFI_MEMORY_WP) == EFI_MEMORY_WP) {\r | |
674 | return EFI_MEMORY_WP;\r | |
675 | }\r | |
676 | \r | |
677 | return INVALID_CPU_ARCH_ATTRIBUTES;\r | |
678 | \r | |
679 | }\r | |
680 | \r | |
162ed594 | 681 | \r |
682 | /**\r | |
683 | Do operation on a segment of memory space specified (add, free, remove, change attribute ...).\r | |
684 | \r | |
022c6d45 | 685 | @param Operation The type of the operation\r |
686 | @param GcdMemoryType Additional information for the operation\r | |
687 | @param GcdIoType Additional information for the operation\r | |
688 | @param BaseAddress Start address of the segment\r | |
689 | @param Length length of the segment\r | |
690 | @param Capabilities The alterable attributes of a newly added entry\r | |
691 | @param Attributes The attributes needs to be set\r | |
692 | \r | |
693 | @retval EFI_INVALID_PARAMETER Length is 0 or address (length) not aligned when\r | |
694 | setting attribute.\r | |
695 | @retval EFI_SUCCESS Action successfully done.\r | |
696 | @retval EFI_UNSUPPORTED Could not find the proper descriptor on this\r | |
697 | segment or set an upsupported attribute.\r | |
698 | @retval EFI_ACCESS_DENIED Operate on an space non-exist or is used for an\r | |
699 | image.\r | |
700 | @retval EFI_NOT_FOUND Free a non-using space or remove a non-exist\r | |
701 | space, and so on.\r | |
162ed594 | 702 | @retval EFI_OUT_OF_RESOURCES No buffer could be allocated.\r |
fc8ff20f | 703 | @retval EFI_NOT_AVAILABLE_YET The attributes cannot be set because CPU architectural protocol\r |
704 | is not available yet.\r | |
162ed594 | 705 | **/\r |
28a00297 | 706 | EFI_STATUS\r |
707 | CoreConvertSpace (\r | |
708 | IN UINTN Operation,\r | |
709 | IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
710 | IN EFI_GCD_IO_TYPE GcdIoType,\r | |
711 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
712 | IN UINT64 Length,\r | |
713 | IN UINT64 Capabilities,\r | |
714 | IN UINT64 Attributes\r | |
715 | )\r | |
28a00297 | 716 | {\r |
717 | EFI_STATUS Status;\r | |
718 | LIST_ENTRY *Map;\r | |
719 | LIST_ENTRY *Link;\r | |
720 | EFI_GCD_MAP_ENTRY *Entry;\r | |
721 | EFI_GCD_MAP_ENTRY *TopEntry;\r | |
722 | EFI_GCD_MAP_ENTRY *BottomEntry;\r | |
723 | LIST_ENTRY *StartLink;\r | |
724 | LIST_ENTRY *EndLink;\r | |
f9d1f97c | 725 | UINT64 CpuArchAttributes;\r |
28a00297 | 726 | \r |
727 | if (Length == 0) {\r | |
aa927cae | 728 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 729 | return EFI_INVALID_PARAMETER;\r |
730 | }\r | |
731 | \r | |
732 | Map = NULL;\r | |
71f68914 | 733 | if ((Operation & GCD_MEMORY_SPACE_OPERATION) != 0) {\r |
28a00297 | 734 | CoreAcquireGcdMemoryLock ();\r |
735 | Map = &mGcdMemorySpaceMap;\r | |
fbbb4211 | 736 | } else if ((Operation & GCD_IO_SPACE_OPERATION) != 0) {\r |
28a00297 | 737 | CoreAcquireGcdIoLock ();\r |
738 | Map = &mGcdIoSpaceMap;\r | |
fbbb4211 | 739 | } else {\r |
740 | ASSERT (FALSE);\r | |
28a00297 | 741 | }\r |
742 | \r | |
743 | //\r | |
744 | // Search for the list of descriptors that cover the range BaseAddress to BaseAddress+Length\r | |
745 | //\r | |
746 | Status = CoreSearchGcdMapEntry (BaseAddress, Length, &StartLink, &EndLink, Map);\r | |
747 | if (EFI_ERROR (Status)) {\r | |
748 | Status = EFI_UNSUPPORTED;\r | |
749 | \r | |
750 | goto Done;\r | |
751 | }\r | |
d2fbaaab | 752 | ASSERT (StartLink != NULL && EndLink != NULL);\r |
28a00297 | 753 | \r |
754 | //\r | |
755 | // Verify that the list of descriptors are unallocated non-existent memory.\r | |
756 | //\r | |
757 | Link = StartLink;\r | |
758 | while (Link != EndLink->ForwardLink) {\r | |
759 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
760 | switch (Operation) {\r | |
761 | //\r | |
762 | // Add operations\r | |
763 | //\r | |
764 | case GCD_ADD_MEMORY_OPERATION:\r | |
765 | if (Entry->GcdMemoryType != EfiGcdMemoryTypeNonExistent ||\r | |
766 | Entry->ImageHandle != NULL ) {\r | |
767 | Status = EFI_ACCESS_DENIED;\r | |
768 | goto Done;\r | |
769 | }\r | |
770 | break;\r | |
771 | case GCD_ADD_IO_OPERATION:\r | |
772 | if (Entry->GcdIoType != EfiGcdIoTypeNonExistent ||\r | |
773 | Entry->ImageHandle != NULL ) {\r | |
774 | Status = EFI_ACCESS_DENIED;\r | |
775 | goto Done;\r | |
776 | }\r | |
777 | break;\r | |
778 | //\r | |
779 | // Free operations\r | |
780 | //\r | |
781 | case GCD_FREE_MEMORY_OPERATION:\r | |
782 | case GCD_FREE_IO_OPERATION:\r | |
783 | if (Entry->ImageHandle == NULL) {\r | |
784 | Status = EFI_NOT_FOUND;\r | |
785 | goto Done;\r | |
786 | }\r | |
787 | break;\r | |
788 | //\r | |
789 | // Remove operations\r | |
790 | //\r | |
791 | case GCD_REMOVE_MEMORY_OPERATION:\r | |
792 | if (Entry->GcdMemoryType == EfiGcdMemoryTypeNonExistent) {\r | |
793 | Status = EFI_NOT_FOUND;\r | |
794 | goto Done;\r | |
795 | }\r | |
796 | if (Entry->ImageHandle != NULL) {\r | |
797 | Status = EFI_ACCESS_DENIED;\r | |
798 | goto Done;\r | |
799 | }\r | |
800 | break;\r | |
801 | case GCD_REMOVE_IO_OPERATION:\r | |
802 | if (Entry->GcdIoType == EfiGcdIoTypeNonExistent) {\r | |
803 | Status = EFI_NOT_FOUND;\r | |
804 | goto Done;\r | |
805 | }\r | |
806 | if (Entry->ImageHandle != NULL) {\r | |
807 | Status = EFI_ACCESS_DENIED;\r | |
808 | goto Done;\r | |
809 | }\r | |
810 | break;\r | |
811 | //\r | |
771ee501 | 812 | // Set attributes operation\r |
28a00297 | 813 | //\r |
814 | case GCD_SET_ATTRIBUTES_MEMORY_OPERATION:\r | |
71f68914 | 815 | if ((Attributes & EFI_MEMORY_RUNTIME) != 0) {\r |
28a00297 | 816 | if ((BaseAddress & EFI_PAGE_MASK) != 0 || (Length & EFI_PAGE_MASK) != 0) {\r |
817 | Status = EFI_INVALID_PARAMETER;\r | |
28a00297 | 818 | goto Done;\r |
819 | }\r | |
820 | }\r | |
821 | if ((Entry->Capabilities & Attributes) != Attributes) {\r | |
822 | Status = EFI_UNSUPPORTED;\r | |
823 | goto Done;\r | |
824 | }\r | |
825 | break;\r | |
736a692e HT |
826 | //\r |
827 | // Set capabilities operation\r | |
828 | //\r | |
829 | case GCD_SET_CAPABILITIES_MEMORY_OPERATION:\r | |
830 | if ((BaseAddress & EFI_PAGE_MASK) != 0 || (Length & EFI_PAGE_MASK) != 0) {\r | |
831 | Status = EFI_INVALID_PARAMETER;\r | |
832 | \r | |
833 | goto Done;\r | |
771ee501 | 834 | }\r |
736a692e | 835 | //\r |
771ee501 | 836 | // Current attributes must still be supported with new capabilities\r |
736a692e HT |
837 | //\r |
838 | if ((Capabilities & Entry->Attributes) != Entry->Attributes) {\r | |
839 | Status = EFI_UNSUPPORTED;\r | |
840 | goto Done;\r | |
841 | }\r | |
771ee501 | 842 | break;\r |
28a00297 | 843 | }\r |
844 | Link = Link->ForwardLink;\r | |
845 | }\r | |
846 | \r | |
847 | //\r | |
848 | // Allocate work space to perform this operation\r | |
849 | //\r | |
850 | Status = CoreAllocateGcdMapEntry (&TopEntry, &BottomEntry);\r | |
851 | if (EFI_ERROR (Status)) {\r | |
852 | Status = EFI_OUT_OF_RESOURCES;\r | |
853 | goto Done;\r | |
854 | }\r | |
d2fbaaab | 855 | ASSERT (TopEntry != NULL && BottomEntry != NULL);\r |
28a00297 | 856 | \r |
28a00297 | 857 | if (Operation == GCD_SET_ATTRIBUTES_MEMORY_OPERATION) {\r |
858 | //\r | |
859 | // Call CPU Arch Protocol to attempt to set attributes on the range\r | |
860 | //\r | |
861 | CpuArchAttributes = ConverToCpuArchAttributes (Attributes);\r | |
f9d1f97c | 862 | if (CpuArchAttributes != INVALID_CPU_ARCH_ATTRIBUTES) {\r |
fc8ff20f | 863 | if (gCpu == NULL) {\r |
864 | Status = EFI_NOT_AVAILABLE_YET;\r | |
865 | } else {\r | |
f9d1f97c | 866 | Status = gCpu->SetMemoryAttributes (\r |
867 | gCpu,\r | |
868 | BaseAddress,\r | |
869 | Length,\r | |
870 | CpuArchAttributes\r | |
871 | );\r | |
fc8ff20f | 872 | }\r |
873 | if (EFI_ERROR (Status)) {\r | |
874 | CoreFreePool (TopEntry);\r | |
875 | CoreFreePool (BottomEntry);\r | |
876 | goto Done;\r | |
28a00297 | 877 | }\r |
878 | }\r | |
28a00297 | 879 | }\r |
880 | \r | |
881 | //\r | |
882 | // Convert/Insert the list of descriptors from StartLink to EndLink\r | |
883 | //\r | |
884 | Link = StartLink;\r | |
885 | while (Link != EndLink->ForwardLink) {\r | |
886 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
887 | CoreInsertGcdMapEntry (Link, Entry, BaseAddress, Length, TopEntry, BottomEntry);\r | |
888 | switch (Operation) {\r | |
889 | //\r | |
890 | // Add operations\r | |
891 | //\r | |
892 | case GCD_ADD_MEMORY_OPERATION:\r | |
893 | Entry->GcdMemoryType = GcdMemoryType;\r | |
894 | if (GcdMemoryType == EfiGcdMemoryTypeMemoryMappedIo) {\r | |
895 | Entry->Capabilities = Capabilities | EFI_MEMORY_RUNTIME | EFI_MEMORY_PORT_IO;\r | |
896 | } else {\r | |
897 | Entry->Capabilities = Capabilities | EFI_MEMORY_RUNTIME;\r | |
898 | }\r | |
899 | break;\r | |
900 | case GCD_ADD_IO_OPERATION:\r | |
901 | Entry->GcdIoType = GcdIoType;\r | |
902 | break;\r | |
903 | //\r | |
904 | // Free operations\r | |
905 | //\r | |
906 | case GCD_FREE_MEMORY_OPERATION:\r | |
907 | case GCD_FREE_IO_OPERATION:\r | |
908 | Entry->ImageHandle = NULL;\r | |
909 | Entry->DeviceHandle = NULL;\r | |
910 | break;\r | |
911 | //\r | |
912 | // Remove operations\r | |
913 | //\r | |
914 | case GCD_REMOVE_MEMORY_OPERATION:\r | |
915 | Entry->GcdMemoryType = EfiGcdMemoryTypeNonExistent;\r | |
916 | Entry->Capabilities = 0;\r | |
917 | break;\r | |
918 | case GCD_REMOVE_IO_OPERATION:\r | |
919 | Entry->GcdIoType = EfiGcdIoTypeNonExistent;\r | |
920 | break;\r | |
921 | //\r | |
771ee501 | 922 | // Set attributes operation\r |
28a00297 | 923 | //\r |
924 | case GCD_SET_ATTRIBUTES_MEMORY_OPERATION:\r | |
925 | Entry->Attributes = Attributes;\r | |
926 | break;\r | |
771ee501 EC |
927 | //\r |
928 | // Set capabilities operation\r | |
929 | //\r | |
736a692e HT |
930 | case GCD_SET_CAPABILITIES_MEMORY_OPERATION:\r |
931 | Entry->Capabilities = Capabilities;\r | |
771ee501 | 932 | break;\r |
28a00297 | 933 | }\r |
934 | Link = Link->ForwardLink;\r | |
935 | }\r | |
936 | \r | |
937 | //\r | |
938 | // Cleanup\r | |
939 | //\r | |
940 | Status = CoreCleanupGcdMapEntry (TopEntry, BottomEntry, StartLink, EndLink, Map);\r | |
941 | \r | |
942 | Done:\r | |
aa927cae | 943 | DEBUG ((DEBUG_GCD, " Status = %r\n", Status));\r |
f9d1f97c | 944 | \r |
71f68914 | 945 | if ((Operation & GCD_MEMORY_SPACE_OPERATION) != 0) {\r |
28a00297 | 946 | CoreReleaseGcdMemoryLock ();\r |
aa927cae | 947 | CoreDumpGcdMemorySpaceMap (FALSE);\r |
28a00297 | 948 | }\r |
71f68914 | 949 | if ((Operation & GCD_IO_SPACE_OPERATION) != 0) {\r |
28a00297 | 950 | CoreReleaseGcdIoLock ();\r |
aa927cae | 951 | CoreDumpGcdIoSpaceMap (FALSE);\r |
28a00297 | 952 | }\r |
953 | \r | |
954 | return Status;\r | |
955 | }\r | |
956 | \r | |
162ed594 | 957 | \r |
958 | /**\r | |
959 | Check whether an entry could be used to allocate space.\r | |
960 | \r | |
022c6d45 | 961 | @param Operation Allocate memory or IO\r |
962 | @param Entry The entry to be tested\r | |
963 | @param GcdMemoryType The desired memory type\r | |
964 | @param GcdIoType The desired IO type\r | |
162ed594 | 965 | \r |
022c6d45 | 966 | @retval EFI_NOT_FOUND The memory type does not match or there's an\r |
967 | image handle on the entry.\r | |
968 | @retval EFI_UNSUPPORTED The operation unsupported.\r | |
969 | @retval EFI_SUCCESS It's ok for this entry to be used to allocate\r | |
162ed594 | 970 | space.\r |
971 | \r | |
972 | **/\r | |
28a00297 | 973 | EFI_STATUS\r |
974 | CoreAllocateSpaceCheckEntry (\r | |
975 | IN UINTN Operation,\r | |
976 | IN EFI_GCD_MAP_ENTRY *Entry,\r | |
977 | IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
978 | IN EFI_GCD_IO_TYPE GcdIoType\r | |
979 | )\r | |
28a00297 | 980 | {\r |
981 | if (Entry->ImageHandle != NULL) {\r | |
982 | return EFI_NOT_FOUND;\r | |
983 | }\r | |
984 | switch (Operation) {\r | |
985 | case GCD_ALLOCATE_MEMORY_OPERATION:\r | |
986 | if (Entry->GcdMemoryType != GcdMemoryType) {\r | |
987 | return EFI_NOT_FOUND;\r | |
988 | }\r | |
989 | break;\r | |
990 | case GCD_ALLOCATE_IO_OPERATION:\r | |
991 | if (Entry->GcdIoType != GcdIoType) {\r | |
992 | return EFI_NOT_FOUND;\r | |
993 | }\r | |
994 | break;\r | |
995 | default:\r | |
996 | return EFI_UNSUPPORTED;\r | |
997 | }\r | |
998 | return EFI_SUCCESS;\r | |
999 | }\r | |
1000 | \r | |
162ed594 | 1001 | \r |
1002 | /**\r | |
1003 | Allocate space on specified address and length.\r | |
1004 | \r | |
022c6d45 | 1005 | @param Operation The type of operation (memory or IO)\r |
1006 | @param GcdAllocateType The type of allocate operation\r | |
1007 | @param GcdMemoryType The desired memory type\r | |
1008 | @param GcdIoType The desired IO type\r | |
1009 | @param Alignment Align with 2^Alignment\r | |
1010 | @param Length Length to allocate\r | |
1011 | @param BaseAddress Base address to allocate\r | |
1012 | @param ImageHandle The image handle consume the allocated space.\r | |
1013 | @param DeviceHandle The device handle consume the allocated space.\r | |
1014 | \r | |
1015 | @retval EFI_INVALID_PARAMETER Invalid parameter.\r | |
1016 | @retval EFI_NOT_FOUND No descriptor for the desired space exists.\r | |
162ed594 | 1017 | @retval EFI_SUCCESS Space successfully allocated.\r |
1018 | \r | |
1019 | **/\r | |
28a00297 | 1020 | EFI_STATUS\r |
1021 | CoreAllocateSpace (\r | |
1022 | IN UINTN Operation,\r | |
1023 | IN EFI_GCD_ALLOCATE_TYPE GcdAllocateType,\r | |
1024 | IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
1025 | IN EFI_GCD_IO_TYPE GcdIoType,\r | |
1026 | IN UINTN Alignment,\r | |
1027 | IN UINT64 Length,\r | |
1028 | IN OUT EFI_PHYSICAL_ADDRESS *BaseAddress,\r | |
1029 | IN EFI_HANDLE ImageHandle,\r | |
1030 | IN EFI_HANDLE DeviceHandle OPTIONAL\r | |
1031 | )\r | |
28a00297 | 1032 | {\r |
1033 | EFI_STATUS Status;\r | |
1034 | EFI_PHYSICAL_ADDRESS AlignmentMask;\r | |
1035 | EFI_PHYSICAL_ADDRESS MaxAddress;\r | |
1036 | LIST_ENTRY *Map;\r | |
1037 | LIST_ENTRY *Link;\r | |
1038 | LIST_ENTRY *SubLink;\r | |
1039 | EFI_GCD_MAP_ENTRY *Entry;\r | |
1040 | EFI_GCD_MAP_ENTRY *TopEntry;\r | |
1041 | EFI_GCD_MAP_ENTRY *BottomEntry;\r | |
1042 | LIST_ENTRY *StartLink;\r | |
1043 | LIST_ENTRY *EndLink;\r | |
1044 | BOOLEAN Found;\r | |
1045 | \r | |
1046 | //\r | |
1047 | // Make sure parameters are valid\r | |
1048 | //\r | |
3d78c020 | 1049 | if ((UINT32)GcdAllocateType >= EfiGcdMaxAllocateType) {\r |
aa927cae | 1050 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 1051 | return EFI_INVALID_PARAMETER;\r |
1052 | }\r | |
3d78c020 | 1053 | if ((UINT32)GcdMemoryType >= EfiGcdMemoryTypeMaximum) {\r |
aa927cae | 1054 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 1055 | return EFI_INVALID_PARAMETER;\r |
1056 | }\r | |
3d78c020 | 1057 | if ((UINT32)GcdIoType >= EfiGcdIoTypeMaximum) {\r |
aa927cae | 1058 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 1059 | return EFI_INVALID_PARAMETER;\r |
1060 | }\r | |
1061 | if (BaseAddress == NULL) {\r | |
aa927cae | 1062 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 1063 | return EFI_INVALID_PARAMETER;\r |
1064 | }\r | |
1065 | if (ImageHandle == NULL) {\r | |
aa927cae | 1066 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 1067 | return EFI_INVALID_PARAMETER;\r |
1068 | }\r | |
1069 | if (Alignment >= 64) {\r | |
aa927cae | 1070 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_NOT_FOUND));\r |
28a00297 | 1071 | return EFI_NOT_FOUND;\r |
1072 | }\r | |
1073 | if (Length == 0) {\r | |
aa927cae | 1074 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 1075 | return EFI_INVALID_PARAMETER;\r |
1076 | }\r | |
1077 | \r | |
1078 | Map = NULL;\r | |
71f68914 | 1079 | if ((Operation & GCD_MEMORY_SPACE_OPERATION) != 0) {\r |
28a00297 | 1080 | CoreAcquireGcdMemoryLock ();\r |
1081 | Map = &mGcdMemorySpaceMap;\r | |
fbbb4211 | 1082 | } else if ((Operation & GCD_IO_SPACE_OPERATION) != 0) {\r |
28a00297 | 1083 | CoreAcquireGcdIoLock ();\r |
1084 | Map = &mGcdIoSpaceMap;\r | |
fbbb4211 | 1085 | } else {\r |
1086 | ASSERT (FALSE);\r | |
28a00297 | 1087 | }\r |
1088 | \r | |
1089 | Found = FALSE;\r | |
1090 | StartLink = NULL;\r | |
1091 | EndLink = NULL;\r | |
1092 | //\r | |
1093 | // Compute alignment bit mask\r | |
1094 | //\r | |
1095 | AlignmentMask = LShiftU64 (1, Alignment) - 1;\r | |
1096 | \r | |
1097 | if (GcdAllocateType == EfiGcdAllocateAddress) {\r | |
1098 | //\r | |
1099 | // Verify that the BaseAddress passed in is aligned correctly\r | |
1100 | //\r | |
1101 | if ((*BaseAddress & AlignmentMask) != 0) {\r | |
1102 | Status = EFI_NOT_FOUND;\r | |
1103 | goto Done;\r | |
1104 | }\r | |
1105 | \r | |
1106 | //\r | |
1107 | // Search for the list of descriptors that cover the range BaseAddress to BaseAddress+Length\r | |
1108 | //\r | |
1109 | Status = CoreSearchGcdMapEntry (*BaseAddress, Length, &StartLink, &EndLink, Map);\r | |
1110 | if (EFI_ERROR (Status)) {\r | |
1111 | Status = EFI_NOT_FOUND;\r | |
1112 | goto Done;\r | |
1113 | }\r | |
d2fbaaab | 1114 | ASSERT (StartLink != NULL && EndLink != NULL);\r |
28a00297 | 1115 | \r |
1116 | //\r | |
1117 | // Verify that the list of descriptors are unallocated memory matching GcdMemoryType.\r | |
1118 | //\r | |
1119 | Link = StartLink;\r | |
1120 | while (Link != EndLink->ForwardLink) {\r | |
1121 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1122 | Link = Link->ForwardLink;\r | |
1123 | Status = CoreAllocateSpaceCheckEntry (Operation, Entry, GcdMemoryType, GcdIoType);\r | |
1124 | if (EFI_ERROR (Status)) {\r | |
1125 | goto Done;\r | |
1126 | }\r | |
1127 | }\r | |
1128 | Found = TRUE;\r | |
1129 | } else {\r | |
1130 | \r | |
1131 | Entry = CR (Map->BackLink, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1132 | \r | |
1133 | //\r | |
1134 | // Compute the maximum address to use in the search algorithm\r | |
1135 | //\r | |
1136 | if (GcdAllocateType == EfiGcdAllocateMaxAddressSearchBottomUp ||\r | |
1137 | GcdAllocateType == EfiGcdAllocateMaxAddressSearchTopDown ) {\r | |
1138 | MaxAddress = *BaseAddress;\r | |
1139 | } else {\r | |
1140 | MaxAddress = Entry->EndAddress;\r | |
1141 | }\r | |
1142 | \r | |
1143 | //\r | |
1144 | // Verify that the list of descriptors are unallocated memory matching GcdMemoryType.\r | |
1145 | //\r | |
1146 | if (GcdAllocateType == EfiGcdAllocateMaxAddressSearchTopDown ||\r | |
1147 | GcdAllocateType == EfiGcdAllocateAnySearchTopDown ) {\r | |
1148 | Link = Map->BackLink;\r | |
1149 | } else {\r | |
1150 | Link = Map->ForwardLink;\r | |
1151 | }\r | |
1152 | while (Link != Map) {\r | |
1153 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1154 | \r | |
1155 | if (GcdAllocateType == EfiGcdAllocateMaxAddressSearchTopDown ||\r | |
1156 | GcdAllocateType == EfiGcdAllocateAnySearchTopDown ) {\r | |
1157 | Link = Link->BackLink;\r | |
1158 | } else {\r | |
1159 | Link = Link->ForwardLink;\r | |
1160 | }\r | |
1161 | \r | |
1162 | Status = CoreAllocateSpaceCheckEntry (Operation, Entry, GcdMemoryType, GcdIoType);\r | |
1163 | if (EFI_ERROR (Status)) {\r | |
1164 | continue;\r | |
1165 | }\r | |
1166 | \r | |
1167 | if (GcdAllocateType == EfiGcdAllocateMaxAddressSearchTopDown ||\r | |
e94a9ff7 | 1168 | GcdAllocateType == EfiGcdAllocateAnySearchTopDown) {\r |
28a00297 | 1169 | if ((Entry->BaseAddress + Length) > MaxAddress) {\r |
1170 | continue;\r | |
1171 | }\r | |
1172 | if (Length > (Entry->EndAddress + 1)) {\r | |
1173 | Status = EFI_NOT_FOUND;\r | |
1174 | goto Done;\r | |
1175 | }\r | |
1176 | if (Entry->EndAddress > MaxAddress) {\r | |
1177 | *BaseAddress = MaxAddress;\r | |
1178 | } else {\r | |
1179 | *BaseAddress = Entry->EndAddress;\r | |
1180 | }\r | |
1181 | *BaseAddress = (*BaseAddress + 1 - Length) & (~AlignmentMask);\r | |
1182 | } else {\r | |
1183 | *BaseAddress = (Entry->BaseAddress + AlignmentMask) & (~AlignmentMask);\r | |
1184 | if ((*BaseAddress + Length - 1) > MaxAddress) {\r | |
1185 | Status = EFI_NOT_FOUND;\r | |
1186 | goto Done;\r | |
1187 | }\r | |
1188 | }\r | |
1189 | \r | |
1190 | //\r | |
1191 | // Search for the list of descriptors that cover the range BaseAddress to BaseAddress+Length\r | |
1192 | //\r | |
1193 | Status = CoreSearchGcdMapEntry (*BaseAddress, Length, &StartLink, &EndLink, Map);\r | |
1194 | if (EFI_ERROR (Status)) {\r | |
1195 | Status = EFI_NOT_FOUND;\r | |
1196 | goto Done;\r | |
1197 | }\r | |
d2fbaaab | 1198 | ASSERT (StartLink != NULL && EndLink != NULL);\r |
28a00297 | 1199 | \r |
1200 | Link = StartLink;\r | |
1201 | //\r | |
1202 | // Verify that the list of descriptors are unallocated memory matching GcdMemoryType.\r | |
1203 | //\r | |
1204 | Found = TRUE;\r | |
1205 | SubLink = StartLink;\r | |
1206 | while (SubLink != EndLink->ForwardLink) {\r | |
1207 | Entry = CR (SubLink, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1208 | Status = CoreAllocateSpaceCheckEntry (Operation, Entry, GcdMemoryType, GcdIoType);\r | |
1209 | if (EFI_ERROR (Status)) {\r | |
1210 | Link = SubLink;\r | |
1211 | Found = FALSE;\r | |
1212 | break;\r | |
1213 | }\r | |
1214 | SubLink = SubLink->ForwardLink;\r | |
1215 | }\r | |
1216 | if (Found) {\r | |
1217 | break;\r | |
1218 | }\r | |
1219 | }\r | |
1220 | }\r | |
1221 | if (!Found) {\r | |
1222 | Status = EFI_NOT_FOUND;\r | |
1223 | goto Done;\r | |
1224 | }\r | |
1225 | \r | |
1226 | //\r | |
1227 | // Allocate work space to perform this operation\r | |
1228 | //\r | |
1229 | Status = CoreAllocateGcdMapEntry (&TopEntry, &BottomEntry);\r | |
1230 | if (EFI_ERROR (Status)) {\r | |
1231 | Status = EFI_OUT_OF_RESOURCES;\r | |
1232 | goto Done;\r | |
1233 | }\r | |
d2fbaaab | 1234 | ASSERT (TopEntry != NULL && BottomEntry != NULL);\r |
28a00297 | 1235 | \r |
1236 | //\r | |
1237 | // Convert/Insert the list of descriptors from StartLink to EndLink\r | |
1238 | //\r | |
1239 | Link = StartLink;\r | |
1240 | while (Link != EndLink->ForwardLink) {\r | |
1241 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1242 | CoreInsertGcdMapEntry (Link, Entry, *BaseAddress, Length, TopEntry, BottomEntry);\r | |
1243 | Entry->ImageHandle = ImageHandle;\r | |
1244 | Entry->DeviceHandle = DeviceHandle;\r | |
1245 | Link = Link->ForwardLink;\r | |
1246 | }\r | |
1247 | \r | |
1248 | //\r | |
1249 | // Cleanup\r | |
1250 | //\r | |
1251 | Status = CoreCleanupGcdMapEntry (TopEntry, BottomEntry, StartLink, EndLink, Map);\r | |
1252 | \r | |
1253 | Done:\r | |
aa927cae | 1254 | DEBUG ((DEBUG_GCD, " Status = %r", Status));\r |
1255 | if (!EFI_ERROR (Status)) {\r | |
1256 | DEBUG ((DEBUG_GCD, " (BaseAddress = %016lx)", *BaseAddress));\r | |
1257 | }\r | |
1258 | DEBUG ((DEBUG_GCD, "\n"));\r | |
f9d1f97c | 1259 | \r |
71f68914 | 1260 | if ((Operation & GCD_MEMORY_SPACE_OPERATION) != 0) {\r |
28a00297 | 1261 | CoreReleaseGcdMemoryLock ();\r |
aa927cae | 1262 | CoreDumpGcdMemorySpaceMap (FALSE);\r |
28a00297 | 1263 | }\r |
71f68914 | 1264 | if ((Operation & GCD_IO_SPACE_OPERATION) !=0) {\r |
28a00297 | 1265 | CoreReleaseGcdIoLock ();\r |
aa927cae | 1266 | CoreDumpGcdIoSpaceMap (FALSE);\r |
28a00297 | 1267 | }\r |
aa927cae | 1268 | \r |
28a00297 | 1269 | return Status;\r |
1270 | }\r | |
1271 | \r | |
28a00297 | 1272 | \r |
162ed594 | 1273 | /**\r |
28a00297 | 1274 | Add a segment of memory to GCD map.\r |
1275 | \r | |
022c6d45 | 1276 | @param GcdMemoryType Memory type of the segment.\r |
1277 | @param BaseAddress Base address of the segment.\r | |
1278 | @param Length Length of the segment.\r | |
1279 | @param Capabilities alterable attributes of the segment.\r | |
28a00297 | 1280 | \r |
022c6d45 | 1281 | @retval EFI_INVALID_PARAMETER Invalid parameters.\r |
162ed594 | 1282 | @retval EFI_SUCCESS Successfully add a segment of memory space.\r |
28a00297 | 1283 | \r |
162ed594 | 1284 | **/\r |
162ed594 | 1285 | EFI_STATUS\r |
1286 | CoreInternalAddMemorySpace (\r | |
1287 | IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
1288 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1289 | IN UINT64 Length,\r | |
1290 | IN UINT64 Capabilities\r | |
1291 | )\r | |
28a00297 | 1292 | {\r |
f9d1f97c | 1293 | DEBUG ((DEBUG_GCD, "GCD:AddMemorySpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1294 | DEBUG ((DEBUG_GCD, " GcdMemoryType = %a\n", mGcdMemoryTypeNames[MIN (GcdMemoryType, EfiGcdMemoryTypeMaximum)]));\r | |
1295 | DEBUG ((DEBUG_GCD, " Capabilities = %016lx\n", Capabilities));\r | |
1296 | \r | |
28a00297 | 1297 | //\r |
1298 | // Make sure parameters are valid\r | |
1299 | //\r | |
1300 | if (GcdMemoryType <= EfiGcdMemoryTypeNonExistent || GcdMemoryType >= EfiGcdMemoryTypeMaximum) {\r | |
1301 | return EFI_INVALID_PARAMETER;\r | |
1302 | }\r | |
1303 | \r | |
1304 | return CoreConvertSpace (GCD_ADD_MEMORY_OPERATION, GcdMemoryType, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, Capabilities, 0);\r | |
1305 | }\r | |
1306 | \r | |
1307 | //\r | |
1308 | // GCD Core Services\r | |
1309 | //\r | |
162ed594 | 1310 | \r |
1311 | /**\r | |
1312 | Allocates nonexistent memory, reserved memory, system memory, or memorymapped\r | |
1313 | I/O resources from the global coherency domain of the processor.\r | |
1314 | \r | |
022c6d45 | 1315 | @param GcdAllocateType The type of allocate operation\r |
1316 | @param GcdMemoryType The desired memory type\r | |
1317 | @param Alignment Align with 2^Alignment\r | |
1318 | @param Length Length to allocate\r | |
1319 | @param BaseAddress Base address to allocate\r | |
1320 | @param ImageHandle The image handle consume the allocated space.\r | |
1321 | @param DeviceHandle The device handle consume the allocated space.\r | |
162ed594 | 1322 | \r |
022c6d45 | 1323 | @retval EFI_INVALID_PARAMETER Invalid parameter.\r |
1324 | @retval EFI_NOT_FOUND No descriptor contains the desired space.\r | |
162ed594 | 1325 | @retval EFI_SUCCESS Memory space successfully allocated.\r |
1326 | \r | |
1327 | **/\r | |
28a00297 | 1328 | EFI_STATUS\r |
3b6ffb6a | 1329 | EFIAPI\r |
28a00297 | 1330 | CoreAllocateMemorySpace (\r |
1331 | IN EFI_GCD_ALLOCATE_TYPE GcdAllocateType,\r | |
1332 | IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
1333 | IN UINTN Alignment,\r | |
1334 | IN UINT64 Length,\r | |
1335 | IN OUT EFI_PHYSICAL_ADDRESS *BaseAddress,\r | |
1336 | IN EFI_HANDLE ImageHandle,\r | |
1337 | IN EFI_HANDLE DeviceHandle OPTIONAL\r | |
1338 | )\r | |
28a00297 | 1339 | {\r |
f9d1f97c | 1340 | DEBUG ((DEBUG_GCD, "GCD:AllocateMemorySpace(Base=%016lx,Length=%016lx)\n", *BaseAddress, Length));\r |
1341 | DEBUG ((DEBUG_GCD, " GcdAllocateType = %a\n", mGcdAllocationTypeNames[MIN (GcdAllocateType, EfiGcdMaxAllocateType)]));\r | |
1342 | DEBUG ((DEBUG_GCD, " GcdMemoryType = %a\n", mGcdMemoryTypeNames[MIN (GcdMemoryType, EfiGcdMemoryTypeMaximum)]));\r | |
1343 | DEBUG ((DEBUG_GCD, " Alignment = %016lx\n", LShiftU64 (1, Alignment)));\r | |
1344 | DEBUG ((DEBUG_GCD, " ImageHandle = %p\n", ImageHandle));\r | |
1345 | DEBUG ((DEBUG_GCD, " DeviceHandle = %p\n", DeviceHandle));\r | |
1346 | \r | |
28a00297 | 1347 | return CoreAllocateSpace (\r |
022c6d45 | 1348 | GCD_ALLOCATE_MEMORY_OPERATION,\r |
1349 | GcdAllocateType,\r | |
1350 | GcdMemoryType,\r | |
1351 | (EFI_GCD_IO_TYPE) 0,\r | |
1352 | Alignment,\r | |
1353 | Length,\r | |
1354 | BaseAddress,\r | |
1355 | ImageHandle,\r | |
28a00297 | 1356 | DeviceHandle\r |
1357 | );\r | |
1358 | }\r | |
1359 | \r | |
162ed594 | 1360 | \r |
1361 | /**\r | |
1362 | Adds reserved memory, system memory, or memory-mapped I/O resources to the\r | |
1363 | global coherency domain of the processor.\r | |
1364 | \r | |
022c6d45 | 1365 | @param GcdMemoryType Memory type of the memory space.\r |
1366 | @param BaseAddress Base address of the memory space.\r | |
1367 | @param Length Length of the memory space.\r | |
1368 | @param Capabilities alterable attributes of the memory space.\r | |
162ed594 | 1369 | \r |
1370 | @retval EFI_SUCCESS Merged this memory space into GCD map.\r | |
1371 | \r | |
1372 | **/\r | |
28a00297 | 1373 | EFI_STATUS\r |
3b6ffb6a | 1374 | EFIAPI\r |
28a00297 | 1375 | CoreAddMemorySpace (\r |
1376 | IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
1377 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1378 | IN UINT64 Length,\r | |
1379 | IN UINT64 Capabilities\r | |
1380 | )\r | |
28a00297 | 1381 | {\r |
1382 | EFI_STATUS Status;\r | |
1383 | EFI_PHYSICAL_ADDRESS PageBaseAddress;\r | |
1384 | UINT64 PageLength;\r | |
1385 | \r | |
1386 | Status = CoreInternalAddMemorySpace (GcdMemoryType, BaseAddress, Length, Capabilities);\r | |
1387 | \r | |
74705ca5 | 1388 | if (!EFI_ERROR (Status) && ((GcdMemoryType == EfiGcdMemoryTypeSystemMemory) || (GcdMemoryType == EfiGcdMemoryTypeMoreReliable))) {\r |
28a00297 | 1389 | \r |
74705ca5 | 1390 | PageBaseAddress = PageAlignAddress (BaseAddress);\r |
28a00297 | 1391 | PageLength = PageAlignLength (BaseAddress + Length - PageBaseAddress);\r |
1392 | \r | |
1393 | Status = CoreAllocateMemorySpace (\r | |
1394 | EfiGcdAllocateAddress,\r | |
1395 | GcdMemoryType,\r | |
022c6d45 | 1396 | EFI_PAGE_SHIFT,\r |
28a00297 | 1397 | PageLength,\r |
1398 | &PageBaseAddress,\r | |
1399 | gDxeCoreImageHandle,\r | |
1400 | NULL\r | |
1401 | );\r | |
1402 | \r | |
1403 | if (!EFI_ERROR (Status)) {\r | |
1404 | CoreAddMemoryDescriptor (\r | |
1405 | EfiConventionalMemory,\r | |
1406 | PageBaseAddress,\r | |
1407 | RShiftU64 (PageLength, EFI_PAGE_SHIFT),\r | |
1408 | Capabilities\r | |
1409 | );\r | |
1410 | } else {\r | |
1411 | for (; PageLength != 0; PageLength -= EFI_PAGE_SIZE, PageBaseAddress += EFI_PAGE_SIZE) {\r | |
1412 | Status = CoreAllocateMemorySpace (\r | |
1413 | EfiGcdAllocateAddress,\r | |
1414 | GcdMemoryType,\r | |
022c6d45 | 1415 | EFI_PAGE_SHIFT,\r |
28a00297 | 1416 | EFI_PAGE_SIZE,\r |
1417 | &PageBaseAddress,\r | |
1418 | gDxeCoreImageHandle,\r | |
1419 | NULL\r | |
1420 | );\r | |
1421 | \r | |
1422 | if (!EFI_ERROR (Status)) {\r | |
1423 | CoreAddMemoryDescriptor (\r | |
1424 | EfiConventionalMemory,\r | |
1425 | PageBaseAddress,\r | |
1426 | 1,\r | |
1427 | Capabilities\r | |
1428 | );\r | |
1429 | }\r | |
1430 | }\r | |
1431 | }\r | |
1432 | }\r | |
1433 | return Status;\r | |
1434 | }\r | |
1435 | \r | |
28a00297 | 1436 | \r |
162ed594 | 1437 | /**\r |
28a00297 | 1438 | Frees nonexistent memory, reserved memory, system memory, or memory-mapped\r |
162ed594 | 1439 | I/O resources from the global coherency domain of the processor.\r |
28a00297 | 1440 | \r |
022c6d45 | 1441 | @param BaseAddress Base address of the memory space.\r |
1442 | @param Length Length of the memory space.\r | |
28a00297 | 1443 | \r |
162ed594 | 1444 | @retval EFI_SUCCESS Space successfully freed.\r |
28a00297 | 1445 | \r |
162ed594 | 1446 | **/\r |
28a00297 | 1447 | EFI_STATUS\r |
3b6ffb6a | 1448 | EFIAPI\r |
162ed594 | 1449 | CoreFreeMemorySpace (\r |
28a00297 | 1450 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r |
1451 | IN UINT64 Length\r | |
1452 | )\r | |
162ed594 | 1453 | {\r |
f9d1f97c | 1454 | DEBUG ((DEBUG_GCD, "GCD:FreeMemorySpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1455 | \r | |
162ed594 | 1456 | return CoreConvertSpace (GCD_FREE_MEMORY_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, 0, 0);\r |
1457 | }\r | |
28a00297 | 1458 | \r |
28a00297 | 1459 | \r |
162ed594 | 1460 | /**\r |
28a00297 | 1461 | Removes reserved memory, system memory, or memory-mapped I/O resources from\r |
162ed594 | 1462 | the global coherency domain of the processor.\r |
28a00297 | 1463 | \r |
022c6d45 | 1464 | @param BaseAddress Base address of the memory space.\r |
1465 | @param Length Length of the memory space.\r | |
28a00297 | 1466 | \r |
162ed594 | 1467 | @retval EFI_SUCCESS Successfully remove a segment of memory space.\r |
28a00297 | 1468 | \r |
162ed594 | 1469 | **/\r |
1470 | EFI_STATUS\r | |
3b6ffb6a | 1471 | EFIAPI\r |
162ed594 | 1472 | CoreRemoveMemorySpace (\r |
1473 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1474 | IN UINT64 Length\r | |
1475 | )\r | |
28a00297 | 1476 | {\r |
f9d1f97c | 1477 | DEBUG ((DEBUG_GCD, "GCD:RemoveMemorySpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1478 | \r | |
28a00297 | 1479 | return CoreConvertSpace (GCD_REMOVE_MEMORY_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, 0, 0);\r |
1480 | }\r | |
1481 | \r | |
162ed594 | 1482 | \r |
1483 | /**\r | |
1484 | Build a memory descriptor according to an entry.\r | |
1485 | \r | |
022c6d45 | 1486 | @param Descriptor The descriptor to be built\r |
162ed594 | 1487 | @param Entry According to this entry\r |
1488 | \r | |
1489 | **/\r | |
28a00297 | 1490 | VOID\r |
1491 | BuildMemoryDescriptor (\r | |
1492 | IN OUT EFI_GCD_MEMORY_SPACE_DESCRIPTOR *Descriptor,\r | |
1493 | IN EFI_GCD_MAP_ENTRY *Entry\r | |
1494 | )\r | |
28a00297 | 1495 | {\r |
1496 | Descriptor->BaseAddress = Entry->BaseAddress;\r | |
1497 | Descriptor->Length = Entry->EndAddress - Entry->BaseAddress + 1;\r | |
1498 | Descriptor->Capabilities = Entry->Capabilities;\r | |
1499 | Descriptor->Attributes = Entry->Attributes;\r | |
1500 | Descriptor->GcdMemoryType = Entry->GcdMemoryType;\r | |
1501 | Descriptor->ImageHandle = Entry->ImageHandle;\r | |
1502 | Descriptor->DeviceHandle = Entry->DeviceHandle;\r | |
1503 | }\r | |
1504 | \r | |
28a00297 | 1505 | \r |
162ed594 | 1506 | /**\r |
28a00297 | 1507 | Retrieves the descriptor for a memory region containing a specified address.\r |
1508 | \r | |
022c6d45 | 1509 | @param BaseAddress Specified start address\r |
1510 | @param Descriptor Specified length\r | |
28a00297 | 1511 | \r |
022c6d45 | 1512 | @retval EFI_INVALID_PARAMETER Invalid parameter\r |
162ed594 | 1513 | @retval EFI_SUCCESS Successfully get memory space descriptor.\r |
28a00297 | 1514 | \r |
162ed594 | 1515 | **/\r |
1516 | EFI_STATUS\r | |
3b6ffb6a | 1517 | EFIAPI\r |
162ed594 | 1518 | CoreGetMemorySpaceDescriptor (\r |
1519 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1520 | OUT EFI_GCD_MEMORY_SPACE_DESCRIPTOR *Descriptor\r | |
1521 | )\r | |
28a00297 | 1522 | {\r |
1523 | EFI_STATUS Status;\r | |
1524 | LIST_ENTRY *StartLink;\r | |
1525 | LIST_ENTRY *EndLink;\r | |
1526 | EFI_GCD_MAP_ENTRY *Entry;\r | |
1527 | \r | |
1528 | //\r | |
1529 | // Make sure parameters are valid\r | |
1530 | //\r | |
1531 | if (Descriptor == NULL) {\r | |
1532 | return EFI_INVALID_PARAMETER;\r | |
1533 | }\r | |
1534 | \r | |
1535 | CoreAcquireGcdMemoryLock ();\r | |
1536 | \r | |
1537 | //\r | |
022c6d45 | 1538 | // Search for the list of descriptors that contain BaseAddress\r |
28a00297 | 1539 | //\r |
1540 | Status = CoreSearchGcdMapEntry (BaseAddress, 1, &StartLink, &EndLink, &mGcdMemorySpaceMap);\r | |
1541 | if (EFI_ERROR (Status)) {\r | |
1542 | Status = EFI_NOT_FOUND;\r | |
1543 | } else {\r | |
d2fbaaab | 1544 | ASSERT (StartLink != NULL && EndLink != NULL);\r |
28a00297 | 1545 | //\r |
1546 | // Copy the contents of the found descriptor into Descriptor\r | |
1547 | //\r | |
1548 | Entry = CR (StartLink, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1549 | BuildMemoryDescriptor (Descriptor, Entry);\r | |
1550 | }\r | |
1551 | \r | |
1552 | CoreReleaseGcdMemoryLock ();\r | |
1553 | \r | |
1554 | return Status;\r | |
1555 | }\r | |
1556 | \r | |
162ed594 | 1557 | \r |
1558 | /**\r | |
1559 | Modifies the attributes for a memory region in the global coherency domain of the\r | |
1560 | processor.\r | |
1561 | \r | |
022c6d45 | 1562 | @param BaseAddress Specified start address\r |
1563 | @param Length Specified length\r | |
1564 | @param Attributes Specified attributes\r | |
162ed594 | 1565 | \r |
fc8ff20f | 1566 | @retval EFI_SUCCESS The attributes were set for the memory region.\r |
1567 | @retval EFI_INVALID_PARAMETER Length is zero. \r | |
1568 | @retval EFI_UNSUPPORTED The processor does not support one or more bytes of the memory\r | |
1569 | resource range specified by BaseAddress and Length.\r | |
1570 | @retval EFI_UNSUPPORTED The bit mask of attributes is not support for the memory resource\r | |
1571 | range specified by BaseAddress and Length.\r | |
1572 | @retval EFI_ACCESS_DEFINED The attributes for the memory resource range specified by\r | |
1573 | BaseAddress and Length cannot be modified.\r | |
1574 | @retval EFI_OUT_OF_RESOURCES There are not enough system resources to modify the attributes of\r | |
1575 | the memory resource range.\r | |
1576 | @retval EFI_NOT_AVAILABLE_YET The attributes cannot be set because CPU architectural protocol is\r | |
1577 | not available yet.\r | |
162ed594 | 1578 | \r |
1579 | **/\r | |
28a00297 | 1580 | EFI_STATUS\r |
3b6ffb6a | 1581 | EFIAPI\r |
28a00297 | 1582 | CoreSetMemorySpaceAttributes (\r |
1583 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1584 | IN UINT64 Length,\r | |
1585 | IN UINT64 Attributes\r | |
1586 | )\r | |
162ed594 | 1587 | {\r |
f9d1f97c | 1588 | DEBUG ((DEBUG_GCD, "GCD:SetMemorySpaceAttributes(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1589 | DEBUG ((DEBUG_GCD, " Attributes = %016lx\n", Attributes));\r | |
1590 | \r | |
162ed594 | 1591 | return CoreConvertSpace (GCD_SET_ATTRIBUTES_MEMORY_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, 0, Attributes);\r |
1592 | }\r | |
28a00297 | 1593 | \r |
28a00297 | 1594 | \r |
771ee501 EC |
1595 | /**\r |
1596 | Modifies the capabilities for a memory region in the global coherency domain of the\r | |
1597 | processor.\r | |
1598 | \r | |
1599 | @param BaseAddress The physical address that is the start address of a memory region.\r | |
1600 | @param Length The size in bytes of the memory region.\r | |
1601 | @param Capabilities The bit mask of capabilities that the memory region supports.\r | |
1602 | \r | |
1603 | @retval EFI_SUCCESS The capabilities were set for the memory region.\r | |
1604 | @retval EFI_INVALID_PARAMETER Length is zero.\r | |
1605 | @retval EFI_UNSUPPORTED The capabilities specified by Capabilities do not include the\r | |
1606 | memory region attributes currently in use.\r | |
1607 | @retval EFI_ACCESS_DENIED The capabilities for the memory resource range specified by\r | |
1608 | BaseAddress and Length cannot be modified.\r | |
1609 | @retval EFI_OUT_OF_RESOURCES There are not enough system resources to modify the capabilities\r | |
1610 | of the memory resource range.\r | |
1611 | **/\r | |
1612 | EFI_STATUS\r | |
1613 | EFIAPI\r | |
1614 | CoreSetMemorySpaceCapabilities (\r | |
1615 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1616 | IN UINT64 Length,\r | |
1617 | IN UINT64 Capabilities\r | |
1618 | )\r | |
1619 | {\r | |
736a692e HT |
1620 | EFI_STATUS Status;\r |
1621 | \r | |
771ee501 | 1622 | DEBUG ((DEBUG_GCD, "GCD:CoreSetMemorySpaceCapabilities(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
736a692e HT |
1623 | DEBUG ((DEBUG_GCD, " Capabilities = %016lx\n", Capabilities));\r |
1624 | \r | |
1625 | Status = CoreConvertSpace (GCD_SET_CAPABILITIES_MEMORY_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, Capabilities, 0);\r | |
771ee501 | 1626 | if (!EFI_ERROR(Status)) {\r |
736a692e HT |
1627 | CoreUpdateMemoryAttributes(BaseAddress, RShiftU64(Length, EFI_PAGE_SHIFT), Capabilities);\r |
1628 | }\r | |
1629 | \r | |
771ee501 EC |
1630 | return Status;\r |
1631 | }\r | |
1632 | \r | |
1633 | \r | |
162ed594 | 1634 | /**\r |
1635 | Returns a map of the memory resources in the global coherency domain of the\r | |
1636 | processor.\r | |
28a00297 | 1637 | \r |
022c6d45 | 1638 | @param NumberOfDescriptors Number of descriptors.\r |
1639 | @param MemorySpaceMap Descriptor array\r | |
28a00297 | 1640 | \r |
022c6d45 | 1641 | @retval EFI_INVALID_PARAMETER Invalid parameter\r |
1642 | @retval EFI_OUT_OF_RESOURCES No enough buffer to allocate\r | |
162ed594 | 1643 | @retval EFI_SUCCESS Successfully get memory space map.\r |
28a00297 | 1644 | \r |
162ed594 | 1645 | **/\r |
28a00297 | 1646 | EFI_STATUS\r |
3b6ffb6a | 1647 | EFIAPI\r |
28a00297 | 1648 | CoreGetMemorySpaceMap (\r |
1649 | OUT UINTN *NumberOfDescriptors,\r | |
1650 | OUT EFI_GCD_MEMORY_SPACE_DESCRIPTOR **MemorySpaceMap\r | |
1651 | )\r | |
28a00297 | 1652 | {\r |
1653 | EFI_STATUS Status;\r | |
1654 | LIST_ENTRY *Link;\r | |
1655 | EFI_GCD_MAP_ENTRY *Entry;\r | |
1656 | EFI_GCD_MEMORY_SPACE_DESCRIPTOR *Descriptor;\r | |
1657 | \r | |
1658 | //\r | |
1659 | // Make sure parameters are valid\r | |
1660 | //\r | |
1661 | if (NumberOfDescriptors == NULL) {\r | |
1662 | return EFI_INVALID_PARAMETER;\r | |
1663 | }\r | |
1664 | if (MemorySpaceMap == NULL) {\r | |
1665 | return EFI_INVALID_PARAMETER;\r | |
1666 | }\r | |
1667 | \r | |
1668 | CoreAcquireGcdMemoryLock ();\r | |
1669 | \r | |
1670 | //\r | |
1671 | // Count the number of descriptors\r | |
1672 | //\r | |
1673 | *NumberOfDescriptors = CoreCountGcdMapEntry (&mGcdMemorySpaceMap);\r | |
1674 | \r | |
1675 | //\r | |
1676 | // Allocate the MemorySpaceMap\r | |
1677 | //\r | |
9c4ac31c | 1678 | *MemorySpaceMap = AllocatePool (*NumberOfDescriptors * sizeof (EFI_GCD_MEMORY_SPACE_DESCRIPTOR));\r |
28a00297 | 1679 | if (*MemorySpaceMap == NULL) {\r |
1680 | Status = EFI_OUT_OF_RESOURCES;\r | |
1681 | goto Done;\r | |
1682 | }\r | |
1683 | \r | |
1684 | //\r | |
1685 | // Fill in the MemorySpaceMap\r | |
1686 | //\r | |
1687 | Descriptor = *MemorySpaceMap;\r | |
1688 | Link = mGcdMemorySpaceMap.ForwardLink;\r | |
1689 | while (Link != &mGcdMemorySpaceMap) {\r | |
1690 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1691 | BuildMemoryDescriptor (Descriptor, Entry);\r | |
1692 | Descriptor++;\r | |
1693 | Link = Link->ForwardLink;\r | |
1694 | }\r | |
1695 | Status = EFI_SUCCESS;\r | |
1696 | \r | |
1697 | Done:\r | |
1698 | CoreReleaseGcdMemoryLock ();\r | |
1699 | return Status;\r | |
1700 | }\r | |
1701 | \r | |
162ed594 | 1702 | \r |
1703 | /**\r | |
1704 | Adds reserved I/O or I/O resources to the global coherency domain of the processor.\r | |
1705 | \r | |
022c6d45 | 1706 | @param GcdIoType IO type of the segment.\r |
1707 | @param BaseAddress Base address of the segment.\r | |
1708 | @param Length Length of the segment.\r | |
162ed594 | 1709 | \r |
022c6d45 | 1710 | @retval EFI_SUCCESS Merged this segment into GCD map.\r |
162ed594 | 1711 | @retval EFI_INVALID_PARAMETER Parameter not valid\r |
1712 | \r | |
1713 | **/\r | |
28a00297 | 1714 | EFI_STATUS\r |
3b6ffb6a | 1715 | EFIAPI\r |
28a00297 | 1716 | CoreAddIoSpace (\r |
1717 | IN EFI_GCD_IO_TYPE GcdIoType,\r | |
1718 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1719 | IN UINT64 Length\r | |
1720 | )\r | |
28a00297 | 1721 | {\r |
f9d1f97c | 1722 | DEBUG ((DEBUG_GCD, "GCD:AddIoSpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1723 | DEBUG ((DEBUG_GCD, " GcdIoType = %a\n", mGcdIoTypeNames[MIN (GcdIoType, EfiGcdIoTypeMaximum)]));\r | |
1724 | \r | |
28a00297 | 1725 | //\r |
1726 | // Make sure parameters are valid\r | |
1727 | //\r | |
1728 | if (GcdIoType <= EfiGcdIoTypeNonExistent || GcdIoType >= EfiGcdIoTypeMaximum) {\r | |
1729 | return EFI_INVALID_PARAMETER;\r | |
1730 | }\r | |
1731 | return CoreConvertSpace (GCD_ADD_IO_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, GcdIoType, BaseAddress, Length, 0, 0);\r | |
1732 | }\r | |
1733 | \r | |
162ed594 | 1734 | \r |
1735 | /**\r | |
1736 | Allocates nonexistent I/O, reserved I/O, or I/O resources from the global coherency\r | |
1737 | domain of the processor.\r | |
1738 | \r | |
022c6d45 | 1739 | @param GcdAllocateType The type of allocate operation\r |
1740 | @param GcdIoType The desired IO type\r | |
1741 | @param Alignment Align with 2^Alignment\r | |
1742 | @param Length Length to allocate\r | |
1743 | @param BaseAddress Base address to allocate\r | |
1744 | @param ImageHandle The image handle consume the allocated space.\r | |
1745 | @param DeviceHandle The device handle consume the allocated space.\r | |
162ed594 | 1746 | \r |
022c6d45 | 1747 | @retval EFI_INVALID_PARAMETER Invalid parameter.\r |
1748 | @retval EFI_NOT_FOUND No descriptor contains the desired space.\r | |
162ed594 | 1749 | @retval EFI_SUCCESS IO space successfully allocated.\r |
1750 | \r | |
1751 | **/\r | |
28a00297 | 1752 | EFI_STATUS\r |
3b6ffb6a | 1753 | EFIAPI\r |
28a00297 | 1754 | CoreAllocateIoSpace (\r |
1755 | IN EFI_GCD_ALLOCATE_TYPE GcdAllocateType,\r | |
1756 | IN EFI_GCD_IO_TYPE GcdIoType,\r | |
1757 | IN UINTN Alignment,\r | |
1758 | IN UINT64 Length,\r | |
1759 | IN OUT EFI_PHYSICAL_ADDRESS *BaseAddress,\r | |
1760 | IN EFI_HANDLE ImageHandle,\r | |
1761 | IN EFI_HANDLE DeviceHandle OPTIONAL\r | |
1762 | )\r | |
28a00297 | 1763 | {\r |
f9d1f97c | 1764 | DEBUG ((DEBUG_GCD, "GCD:AllocateIoSpace(Base=%016lx,Length=%016lx)\n", *BaseAddress, Length));\r |
1765 | DEBUG ((DEBUG_GCD, " GcdAllocateType = %a\n", mGcdAllocationTypeNames[MIN (GcdAllocateType, EfiGcdMaxAllocateType)]));\r | |
5d1cf216 | 1766 | DEBUG ((DEBUG_GCD, " GcdIoType = %a\n", mGcdIoTypeNames[MIN (GcdIoType, EfiGcdIoTypeMaximum)]));\r |
f9d1f97c | 1767 | DEBUG ((DEBUG_GCD, " Alignment = %016lx\n", LShiftU64 (1, Alignment)));\r |
1768 | DEBUG ((DEBUG_GCD, " ImageHandle = %p\n", ImageHandle));\r | |
1769 | DEBUG ((DEBUG_GCD, " DeviceHandle = %p\n", DeviceHandle));\r | |
1770 | \r | |
28a00297 | 1771 | return CoreAllocateSpace (\r |
022c6d45 | 1772 | GCD_ALLOCATE_IO_OPERATION,\r |
1773 | GcdAllocateType,\r | |
1774 | (EFI_GCD_MEMORY_TYPE) 0,\r | |
1775 | GcdIoType,\r | |
1776 | Alignment,\r | |
1777 | Length,\r | |
1778 | BaseAddress,\r | |
1779 | ImageHandle,\r | |
28a00297 | 1780 | DeviceHandle\r |
1781 | );\r | |
1782 | }\r | |
1783 | \r | |
28a00297 | 1784 | \r |
162ed594 | 1785 | /**\r |
28a00297 | 1786 | Frees nonexistent I/O, reserved I/O, or I/O resources from the global coherency\r |
162ed594 | 1787 | domain of the processor.\r |
28a00297 | 1788 | \r |
022c6d45 | 1789 | @param BaseAddress Base address of the segment.\r |
1790 | @param Length Length of the segment.\r | |
28a00297 | 1791 | \r |
162ed594 | 1792 | @retval EFI_SUCCESS Space successfully freed.\r |
28a00297 | 1793 | \r |
162ed594 | 1794 | **/\r |
28a00297 | 1795 | EFI_STATUS\r |
3b6ffb6a | 1796 | EFIAPI\r |
162ed594 | 1797 | CoreFreeIoSpace (\r |
28a00297 | 1798 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r |
1799 | IN UINT64 Length\r | |
1800 | )\r | |
162ed594 | 1801 | {\r |
f9d1f97c | 1802 | DEBUG ((DEBUG_GCD, "GCD:FreeIoSpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1803 | \r | |
162ed594 | 1804 | return CoreConvertSpace (GCD_FREE_IO_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, 0, 0);\r |
1805 | }\r | |
28a00297 | 1806 | \r |
28a00297 | 1807 | \r |
162ed594 | 1808 | /**\r |
28a00297 | 1809 | Removes reserved I/O or I/O resources from the global coherency domain of the\r |
162ed594 | 1810 | processor.\r |
28a00297 | 1811 | \r |
022c6d45 | 1812 | @param BaseAddress Base address of the segment.\r |
1813 | @param Length Length of the segment.\r | |
28a00297 | 1814 | \r |
162ed594 | 1815 | @retval EFI_SUCCESS Successfully removed a segment of IO space.\r |
28a00297 | 1816 | \r |
162ed594 | 1817 | **/\r |
1818 | EFI_STATUS\r | |
3b6ffb6a | 1819 | EFIAPI\r |
162ed594 | 1820 | CoreRemoveIoSpace (\r |
1821 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1822 | IN UINT64 Length\r | |
1823 | )\r | |
28a00297 | 1824 | {\r |
f9d1f97c | 1825 | DEBUG ((DEBUG_GCD, "GCD:RemoveIoSpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1826 | \r | |
28a00297 | 1827 | return CoreConvertSpace (GCD_REMOVE_IO_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, 0, 0);\r |
1828 | }\r | |
1829 | \r | |
162ed594 | 1830 | \r |
1831 | /**\r | |
1832 | Build a IO descriptor according to an entry.\r | |
1833 | \r | |
022c6d45 | 1834 | @param Descriptor The descriptor to be built\r |
162ed594 | 1835 | @param Entry According to this entry\r |
1836 | \r | |
1837 | **/\r | |
28a00297 | 1838 | VOID\r |
1839 | BuildIoDescriptor (\r | |
1840 | IN EFI_GCD_IO_SPACE_DESCRIPTOR *Descriptor,\r | |
1841 | IN EFI_GCD_MAP_ENTRY *Entry\r | |
1842 | )\r | |
28a00297 | 1843 | {\r |
1844 | Descriptor->BaseAddress = Entry->BaseAddress;\r | |
1845 | Descriptor->Length = Entry->EndAddress - Entry->BaseAddress + 1;\r | |
1846 | Descriptor->GcdIoType = Entry->GcdIoType;\r | |
1847 | Descriptor->ImageHandle = Entry->ImageHandle;\r | |
1848 | Descriptor->DeviceHandle = Entry->DeviceHandle;\r | |
1849 | }\r | |
1850 | \r | |
28a00297 | 1851 | \r |
162ed594 | 1852 | /**\r |
28a00297 | 1853 | Retrieves the descriptor for an I/O region containing a specified address.\r |
1854 | \r | |
022c6d45 | 1855 | @param BaseAddress Specified start address\r |
1856 | @param Descriptor Specified length\r | |
28a00297 | 1857 | \r |
022c6d45 | 1858 | @retval EFI_INVALID_PARAMETER Descriptor is NULL.\r |
162ed594 | 1859 | @retval EFI_SUCCESS Successfully get the IO space descriptor.\r |
28a00297 | 1860 | \r |
162ed594 | 1861 | **/\r |
1862 | EFI_STATUS\r | |
3b6ffb6a | 1863 | EFIAPI\r |
162ed594 | 1864 | CoreGetIoSpaceDescriptor (\r |
1865 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1866 | OUT EFI_GCD_IO_SPACE_DESCRIPTOR *Descriptor\r | |
1867 | )\r | |
28a00297 | 1868 | {\r |
1869 | EFI_STATUS Status;\r | |
1870 | LIST_ENTRY *StartLink;\r | |
1871 | LIST_ENTRY *EndLink;\r | |
1872 | EFI_GCD_MAP_ENTRY *Entry;\r | |
1873 | \r | |
1874 | //\r | |
1875 | // Make sure parameters are valid\r | |
1876 | //\r | |
1877 | if (Descriptor == NULL) {\r | |
1878 | return EFI_INVALID_PARAMETER;\r | |
1879 | }\r | |
1880 | \r | |
1881 | CoreAcquireGcdIoLock ();\r | |
1882 | \r | |
1883 | //\r | |
022c6d45 | 1884 | // Search for the list of descriptors that contain BaseAddress\r |
28a00297 | 1885 | //\r |
1886 | Status = CoreSearchGcdMapEntry (BaseAddress, 1, &StartLink, &EndLink, &mGcdIoSpaceMap);\r | |
1887 | if (EFI_ERROR (Status)) {\r | |
1888 | Status = EFI_NOT_FOUND;\r | |
1889 | } else {\r | |
d2fbaaab | 1890 | ASSERT (StartLink != NULL && EndLink != NULL);\r |
28a00297 | 1891 | //\r |
1892 | // Copy the contents of the found descriptor into Descriptor\r | |
1893 | //\r | |
1894 | Entry = CR (StartLink, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1895 | BuildIoDescriptor (Descriptor, Entry);\r | |
1896 | }\r | |
1897 | \r | |
1898 | CoreReleaseGcdIoLock ();\r | |
1899 | \r | |
1900 | return Status;\r | |
1901 | }\r | |
1902 | \r | |
28a00297 | 1903 | \r |
162ed594 | 1904 | /**\r |
28a00297 | 1905 | Returns a map of the I/O resources in the global coherency domain of the processor.\r |
1906 | \r | |
022c6d45 | 1907 | @param NumberOfDescriptors Number of descriptors.\r |
1908 | @param IoSpaceMap Descriptor array\r | |
28a00297 | 1909 | \r |
022c6d45 | 1910 | @retval EFI_INVALID_PARAMETER Invalid parameter\r |
1911 | @retval EFI_OUT_OF_RESOURCES No enough buffer to allocate\r | |
162ed594 | 1912 | @retval EFI_SUCCESS Successfully get IO space map.\r |
28a00297 | 1913 | \r |
162ed594 | 1914 | **/\r |
1915 | EFI_STATUS\r | |
3b6ffb6a | 1916 | EFIAPI\r |
162ed594 | 1917 | CoreGetIoSpaceMap (\r |
1918 | OUT UINTN *NumberOfDescriptors,\r | |
1919 | OUT EFI_GCD_IO_SPACE_DESCRIPTOR **IoSpaceMap\r | |
1920 | )\r | |
28a00297 | 1921 | {\r |
1922 | EFI_STATUS Status;\r | |
1923 | LIST_ENTRY *Link;\r | |
1924 | EFI_GCD_MAP_ENTRY *Entry;\r | |
1925 | EFI_GCD_IO_SPACE_DESCRIPTOR *Descriptor;\r | |
1926 | \r | |
1927 | //\r | |
1928 | // Make sure parameters are valid\r | |
1929 | //\r | |
1930 | if (NumberOfDescriptors == NULL) {\r | |
1931 | return EFI_INVALID_PARAMETER;\r | |
1932 | }\r | |
1933 | if (IoSpaceMap == NULL) {\r | |
1934 | return EFI_INVALID_PARAMETER;\r | |
1935 | }\r | |
1936 | \r | |
1937 | CoreAcquireGcdIoLock ();\r | |
1938 | \r | |
1939 | //\r | |
1940 | // Count the number of descriptors\r | |
1941 | //\r | |
1942 | *NumberOfDescriptors = CoreCountGcdMapEntry (&mGcdIoSpaceMap);\r | |
1943 | \r | |
1944 | //\r | |
1945 | // Allocate the IoSpaceMap\r | |
1946 | //\r | |
9c4ac31c | 1947 | *IoSpaceMap = AllocatePool (*NumberOfDescriptors * sizeof (EFI_GCD_IO_SPACE_DESCRIPTOR));\r |
28a00297 | 1948 | if (*IoSpaceMap == NULL) {\r |
1949 | Status = EFI_OUT_OF_RESOURCES;\r | |
1950 | goto Done;\r | |
1951 | }\r | |
1952 | \r | |
1953 | //\r | |
1954 | // Fill in the IoSpaceMap\r | |
1955 | //\r | |
1956 | Descriptor = *IoSpaceMap;\r | |
1957 | Link = mGcdIoSpaceMap.ForwardLink;\r | |
1958 | while (Link != &mGcdIoSpaceMap) {\r | |
1959 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1960 | BuildIoDescriptor (Descriptor, Entry);\r | |
1961 | Descriptor++;\r | |
1962 | Link = Link->ForwardLink;\r | |
1963 | }\r | |
1964 | Status = EFI_SUCCESS;\r | |
1965 | \r | |
1966 | Done:\r | |
1967 | CoreReleaseGcdIoLock ();\r | |
1968 | return Status;\r | |
022c6d45 | 1969 | }\r |
28a00297 | 1970 | \r |
aa927cae | 1971 | \r |
162ed594 | 1972 | /**\r |
1973 | Converts a Resource Descriptor HOB attributes mask to an EFI Memory Descriptor\r | |
1974 | capabilities mask\r | |
1975 | \r | |
022c6d45 | 1976 | @param GcdMemoryType Type of resource in the GCD memory map.\r |
1977 | @param Attributes The attribute mask in the Resource Descriptor\r | |
1978 | HOB.\r | |
162ed594 | 1979 | \r |
1980 | @return The capabilities mask for an EFI Memory Descriptor.\r | |
1981 | \r | |
1982 | **/\r | |
28a00297 | 1983 | UINT64\r |
1984 | CoreConvertResourceDescriptorHobAttributesToCapabilities (\r | |
1985 | EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
1986 | UINT64 Attributes\r | |
1987 | )\r | |
28a00297 | 1988 | {\r |
1989 | UINT64 Capabilities;\r | |
1990 | GCD_ATTRIBUTE_CONVERSION_ENTRY *Conversion;\r | |
022c6d45 | 1991 | \r |
28a00297 | 1992 | //\r |
1993 | // Convert the Resource HOB Attributes to an EFI Memory Capabilities mask\r | |
1994 | //\r | |
1995 | for (Capabilities = 0, Conversion = mAttributeConversionTable; Conversion->Attribute != 0; Conversion++) {\r | |
74705ca5 | 1996 | if (Conversion->Memory || ((GcdMemoryType != EfiGcdMemoryTypeSystemMemory) && (GcdMemoryType != EfiGcdMemoryTypeMoreReliable))) {\r |
28a00297 | 1997 | if (Attributes & Conversion->Attribute) {\r |
1998 | Capabilities |= Conversion->Capability;\r | |
1999 | }\r | |
2000 | }\r | |
2001 | }\r | |
022c6d45 | 2002 | \r |
28a00297 | 2003 | return Capabilities;\r |
2004 | }\r | |
2005 | \r | |
28a00297 | 2006 | \r |
162ed594 | 2007 | /**\r |
c18f12d3 | 2008 | External function. Initializes memory services based on the memory\r |
2009 | descriptor HOBs. This function is responsible for priming the memory\r | |
2010 | map, so memory allocations and resource allocations can be made.\r | |
2011 | The first part of this function can not depend on any memory services\r | |
2012 | until at least one memory descriptor is provided to the memory services.\r | |
28a00297 | 2013 | \r |
022c6d45 | 2014 | @param HobStart The start address of the HOB.\r |
2015 | @param MemoryBaseAddress Start address of memory region found to init DXE\r | |
2016 | core.\r | |
2017 | @param MemoryLength Length of memory region found to init DXE core.\r | |
28a00297 | 2018 | \r |
162ed594 | 2019 | @retval EFI_SUCCESS Memory services successfully initialized.\r |
28a00297 | 2020 | \r |
162ed594 | 2021 | **/\r |
2022 | EFI_STATUS\r | |
2023 | CoreInitializeMemoryServices (\r | |
2024 | IN VOID **HobStart,\r | |
2025 | OUT EFI_PHYSICAL_ADDRESS *MemoryBaseAddress,\r | |
2026 | OUT UINT64 *MemoryLength\r | |
2027 | )\r | |
28a00297 | 2028 | {\r |
2029 | EFI_PEI_HOB_POINTERS Hob;\r | |
2030 | EFI_MEMORY_TYPE_INFORMATION *EfiMemoryTypeInformation;\r | |
2031 | UINTN DataSize;\r | |
2032 | BOOLEAN Found;\r | |
2033 | EFI_HOB_HANDOFF_INFO_TABLE *PhitHob;\r | |
2034 | EFI_HOB_RESOURCE_DESCRIPTOR *ResourceHob;\r | |
2035 | EFI_HOB_RESOURCE_DESCRIPTOR *PhitResourceHob;\r | |
2036 | EFI_PHYSICAL_ADDRESS BaseAddress;\r | |
2037 | UINT64 Length;\r | |
2038 | UINT64 Attributes;\r | |
2039 | UINT64 Capabilities;\r | |
2040 | EFI_PHYSICAL_ADDRESS MaxMemoryBaseAddress;\r | |
2041 | UINT64 MaxMemoryLength;\r | |
2042 | UINT64 MaxMemoryAttributes;\r | |
c4c085a2 | 2043 | EFI_PHYSICAL_ADDRESS TestedMemoryBaseAddress;\r |
2044 | UINT64 TestedMemoryLength;\r | |
28a00297 | 2045 | EFI_PHYSICAL_ADDRESS HighAddress;\r |
28a00297 | 2046 | EFI_HOB_GUID_TYPE *GuidHob;\r |
54ea99a7 | 2047 | UINT32 ReservedCodePageNumber;\r |
28a00297 | 2048 | \r |
2049 | //\r | |
2050 | // Point at the first HOB. This must be the PHIT HOB.\r | |
2051 | //\r | |
2052 | Hob.Raw = *HobStart;\r | |
2053 | ASSERT (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_HANDOFF);\r | |
2054 | \r | |
2055 | //\r | |
2056 | // Initialize the spin locks and maps in the memory services.\r | |
2057 | // Also fill in the memory services into the EFI Boot Services Table\r | |
2058 | //\r | |
2059 | CoreInitializePool ();\r | |
2060 | \r | |
2061 | //\r | |
2062 | // Initialize Local Variables\r | |
2063 | //\r | |
2064 | PhitResourceHob = NULL;\r | |
28a00297 | 2065 | ResourceHob = NULL;\r |
2066 | BaseAddress = 0;\r | |
2067 | Length = 0;\r | |
2068 | Attributes = 0;\r | |
2069 | MaxMemoryBaseAddress = 0;\r | |
2070 | MaxMemoryLength = 0;\r | |
2071 | MaxMemoryAttributes = 0;\r | |
2072 | \r | |
2073 | //\r | |
2074 | // Cache the PHIT HOB for later use\r | |
2075 | //\r | |
2076 | PhitHob = Hob.HandoffInformationTable;\r | |
54ea99a7 | 2077 | \r |
852081fc | 2078 | if (PcdGet64(PcdLoadModuleAtFixAddressEnable) != 0) {\r |
54ea99a7 | 2079 | ReservedCodePageNumber = PcdGet32(PcdLoadFixAddressRuntimeCodePageNumber);\r |
2080 | ReservedCodePageNumber += PcdGet32(PcdLoadFixAddressBootTimeCodePageNumber);\r | |
2081 | \r | |
2082 | //\r | |
2083 | // cache the Top address for loading modules at Fixed Address \r | |
2084 | //\r | |
2085 | gLoadModuleAtFixAddressConfigurationTable.DxeCodeTopAddress = PhitHob->EfiMemoryTop \r | |
2086 | + EFI_PAGES_TO_SIZE(ReservedCodePageNumber);\r | |
2087 | }\r | |
28a00297 | 2088 | //\r |
2089 | // See if a Memory Type Information HOB is available\r | |
2090 | //\r | |
2091 | GuidHob = GetFirstGuidHob (&gEfiMemoryTypeInformationGuid);\r | |
2092 | if (GuidHob != NULL) {\r | |
2093 | EfiMemoryTypeInformation = GET_GUID_HOB_DATA (GuidHob);\r | |
2094 | DataSize = GET_GUID_HOB_DATA_SIZE (GuidHob);\r | |
2095 | if (EfiMemoryTypeInformation != NULL && DataSize > 0 && DataSize <= (EfiMaxMemoryType + 1) * sizeof (EFI_MEMORY_TYPE_INFORMATION)) {\r | |
2096 | CopyMem (&gMemoryTypeInformation, EfiMemoryTypeInformation, DataSize);\r | |
2097 | }\r | |
2098 | }\r | |
2099 | \r | |
2100 | //\r | |
c4c085a2 | 2101 | // Find the Resource Descriptor HOB that contains PHIT range EfiFreeMemoryBottom..EfiFreeMemoryTop\r |
28a00297 | 2102 | //\r |
2103 | Length = 0;\r | |
2104 | Found = FALSE;\r | |
2105 | for (Hob.Raw = *HobStart; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {\r | |
c4c085a2 | 2106 | //\r |
2107 | // Skip all HOBs except Resource Descriptor HOBs\r | |
2108 | //\r | |
2109 | if (GET_HOB_TYPE (Hob) != EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {\r | |
2110 | continue;\r | |
2111 | }\r | |
28a00297 | 2112 | \r |
c4c085a2 | 2113 | //\r |
2114 | // Skip Resource Descriptor HOBs that do not describe tested system memory\r | |
2115 | //\r | |
2116 | ResourceHob = Hob.ResourceDescriptor;\r | |
2117 | if (ResourceHob->ResourceType != EFI_RESOURCE_SYSTEM_MEMORY) {\r | |
2118 | continue;\r | |
2119 | }\r | |
2120 | if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) != TESTED_MEMORY_ATTRIBUTES) {\r | |
2121 | continue;\r | |
2122 | }\r | |
2123 | \r | |
2124 | //\r | |
2125 | // Skip Resource Descriptor HOBs that do not contain the PHIT range EfiFreeMemoryBottom..EfiFreeMemoryTop\r | |
2126 | //\r | |
2127 | if (PhitHob->EfiFreeMemoryBottom < ResourceHob->PhysicalStart) {\r | |
2128 | continue;\r | |
2129 | }\r | |
2130 | if (PhitHob->EfiFreeMemoryTop > (ResourceHob->PhysicalStart + ResourceHob->ResourceLength)) {\r | |
2131 | continue;\r | |
2132 | }\r | |
2133 | \r | |
2134 | //\r | |
2135 | // Cache the resource descriptor HOB for the memory region described by the PHIT HOB\r | |
2136 | //\r | |
2137 | PhitResourceHob = ResourceHob;\r | |
2138 | Found = TRUE;\r | |
2139 | \r | |
2140 | //\r | |
2141 | // Compute range between PHIT EfiFreeMemoryTop and the end of the Resource Descriptor HOB\r | |
2142 | //\r | |
2143 | Attributes = PhitResourceHob->ResourceAttribute;\r | |
2144 | BaseAddress = PageAlignAddress (PhitHob->EfiMemoryTop);\r | |
2145 | Length = PageAlignLength (ResourceHob->PhysicalStart + ResourceHob->ResourceLength - BaseAddress);\r | |
2146 | if (Length < MINIMUM_INITIAL_MEMORY_SIZE) {\r | |
2147 | //\r | |
2148 | // If that range is not large enough to intialize the DXE Core, then \r | |
2149 | // Compute range between PHIT EfiFreeMemoryBottom and PHIT EfiFreeMemoryTop\r | |
2150 | //\r | |
2151 | BaseAddress = PageAlignAddress (PhitHob->EfiFreeMemoryBottom);\r | |
2152 | Length = PageAlignLength (PhitHob->EfiFreeMemoryTop - BaseAddress);\r | |
2153 | if (Length < MINIMUM_INITIAL_MEMORY_SIZE) {\r | |
2154 | //\r | |
2155 | // If that range is not large enough to intialize the DXE Core, then \r | |
2156 | // Compute range between the start of the Resource Descriptor HOB and the start of the HOB List\r | |
2157 | //\r | |
2158 | BaseAddress = PageAlignAddress (ResourceHob->PhysicalStart);\r | |
2159 | Length = PageAlignLength ((UINT64)((UINTN)*HobStart - BaseAddress));\r | |
28a00297 | 2160 | }\r |
2161 | }\r | |
c4c085a2 | 2162 | break;\r |
28a00297 | 2163 | }\r |
2164 | \r | |
2165 | //\r | |
2166 | // Assert if a resource descriptor HOB for the memory region described by the PHIT was not found\r | |
2167 | //\r | |
2168 | ASSERT (Found);\r | |
2169 | \r | |
2170 | //\r | |
2171 | // Search all the resource descriptor HOBs from the highest possible addresses down for a memory\r | |
2172 | // region that is big enough to initialize the DXE core. Always skip the PHIT Resource HOB.\r | |
2173 | // The max address must be within the physically addressible range for the processor.\r | |
2174 | //\r | |
c4c085a2 | 2175 | HighAddress = MAX_ADDRESS;\r |
2176 | for (Hob.Raw = *HobStart; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {\r | |
28a00297 | 2177 | //\r |
c4c085a2 | 2178 | // Skip the Resource Descriptor HOB that contains the PHIT\r |
28a00297 | 2179 | //\r |
c4c085a2 | 2180 | if (Hob.ResourceDescriptor == PhitResourceHob) {\r |
2181 | continue;\r | |
2182 | }\r | |
2183 | //\r | |
2184 | // Skip all HOBs except Resource Descriptor HOBs\r | |
2185 | //\r | |
2186 | if (GET_HOB_TYPE (Hob) != EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {\r | |
2187 | continue;\r | |
2188 | }\r | |
28a00297 | 2189 | \r |
c4c085a2 | 2190 | //\r |
2191 | // Skip Resource Descriptor HOBs that do not describe tested system memory below MAX_ADDRESS\r | |
2192 | //\r | |
2193 | ResourceHob = Hob.ResourceDescriptor;\r | |
2194 | if (ResourceHob->ResourceType != EFI_RESOURCE_SYSTEM_MEMORY) {\r | |
2195 | continue;\r | |
28a00297 | 2196 | }\r |
c4c085a2 | 2197 | if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) != TESTED_MEMORY_ATTRIBUTES) {\r |
2198 | continue;\r | |
2199 | }\r | |
2200 | if ((ResourceHob->PhysicalStart + ResourceHob->ResourceLength) > (EFI_PHYSICAL_ADDRESS)MAX_ADDRESS) {\r | |
2201 | continue;\r | |
28a00297 | 2202 | }\r |
c4c085a2 | 2203 | \r |
2204 | //\r | |
2205 | // Skip Resource Descriptor HOBs that are below a previously found Resource Descriptor HOB\r | |
2206 | //\r | |
2207 | if (HighAddress != (EFI_PHYSICAL_ADDRESS)MAX_ADDRESS && ResourceHob->PhysicalStart <= HighAddress) {\r | |
2208 | continue;\r | |
2209 | }\r | |
2210 | \r | |
2211 | //\r | |
2212 | // Skip Resource Descriptor HOBs that are not large enough to initilize the DXE Core\r | |
2213 | //\r | |
2214 | TestedMemoryBaseAddress = PageAlignAddress (ResourceHob->PhysicalStart);\r | |
2215 | TestedMemoryLength = PageAlignLength (ResourceHob->PhysicalStart + ResourceHob->ResourceLength - TestedMemoryBaseAddress);\r | |
2216 | if (TestedMemoryLength < MINIMUM_INITIAL_MEMORY_SIZE) {\r | |
2217 | continue;\r | |
2218 | }\r | |
2219 | \r | |
2220 | //\r | |
2221 | // Save the Resource Descriptor HOB context that is large enough to initilize the DXE Core\r | |
2222 | //\r | |
2223 | MaxMemoryBaseAddress = TestedMemoryBaseAddress;\r | |
2224 | MaxMemoryLength = TestedMemoryLength;\r | |
2225 | MaxMemoryAttributes = ResourceHob->ResourceAttribute; \r | |
2226 | HighAddress = ResourceHob->PhysicalStart;\r | |
2227 | }\r | |
28a00297 | 2228 | \r |
c4c085a2 | 2229 | //\r |
2230 | // If Length is not large enough to initialize the DXE Core or a Resource \r | |
2231 | // Descriptor HOB was found above the PHIT HOB that is large enough to initialize \r | |
2232 | // the DXE Core, then use the range described by the Resource Descriptor \r | |
2233 | // HOB that was found above the PHIT HOB.\r | |
2234 | //\r | |
e94a9ff7 | 2235 | if ((Length < MINIMUM_INITIAL_MEMORY_SIZE) ||\r |
2236 | (MaxMemoryBaseAddress > BaseAddress && MaxMemoryLength >= MINIMUM_INITIAL_MEMORY_SIZE)) {\r | |
28a00297 | 2237 | BaseAddress = MaxMemoryBaseAddress;\r |
2238 | Length = MaxMemoryLength;\r | |
2239 | Attributes = MaxMemoryAttributes;\r | |
2240 | }\r | |
2241 | \r | |
2242 | //\r | |
2243 | // If no memory regions are found that are big enough to initialize the DXE core, then ASSERT().\r | |
2244 | //\r | |
2245 | ASSERT (Length >= MINIMUM_INITIAL_MEMORY_SIZE);\r | |
2246 | \r | |
2247 | //\r | |
2248 | // Convert the Resource HOB Attributes to an EFI Memory Capabilities mask\r | |
2249 | //\r | |
74705ca5 SZ |
2250 | if ((Attributes & EFI_RESOURCE_ATTRIBUTE_MORE_RELIABLE) == EFI_RESOURCE_ATTRIBUTE_MORE_RELIABLE) {\r |
2251 | Capabilities = CoreConvertResourceDescriptorHobAttributesToCapabilities (EfiGcdMemoryTypeMoreReliable, Attributes);\r | |
2252 | } else {\r | |
2253 | Capabilities = CoreConvertResourceDescriptorHobAttributesToCapabilities (EfiGcdMemoryTypeSystemMemory, Attributes);\r | |
2254 | }\r | |
28a00297 | 2255 | \r |
2256 | //\r | |
2257 | // Declare the very first memory region, so the EFI Memory Services are available.\r | |
2258 | //\r | |
2259 | CoreAddMemoryDescriptor (\r | |
2260 | EfiConventionalMemory,\r | |
2261 | BaseAddress,\r | |
2262 | RShiftU64 (Length, EFI_PAGE_SHIFT),\r | |
2263 | Capabilities\r | |
2264 | );\r | |
2265 | \r | |
2266 | *MemoryBaseAddress = BaseAddress;\r | |
2267 | *MemoryLength = Length;\r | |
2268 | \r | |
2269 | return EFI_SUCCESS;\r | |
2270 | }\r | |
2271 | \r | |
28a00297 | 2272 | \r |
162ed594 | 2273 | /**\r |
2274 | External function. Initializes the GCD and memory services based on the memory\r | |
28a00297 | 2275 | descriptor HOBs. This function is responsible for priming the GCD map and the\r |
c18f12d3 | 2276 | memory map, so memory allocations and resource allocations can be made. The\r |
2277 | HobStart will be relocated to a pool buffer.\r | |
28a00297 | 2278 | \r |
022c6d45 | 2279 | @param HobStart The start address of the HOB\r |
2280 | @param MemoryBaseAddress Start address of memory region found to init DXE\r | |
2281 | core.\r | |
2282 | @param MemoryLength Length of memory region found to init DXE core.\r | |
28a00297 | 2283 | \r |
162ed594 | 2284 | @retval EFI_SUCCESS GCD services successfully initialized.\r |
28a00297 | 2285 | \r |
162ed594 | 2286 | **/\r |
2287 | EFI_STATUS\r | |
2288 | CoreInitializeGcdServices (\r | |
e94a9ff7 | 2289 | IN OUT VOID **HobStart,\r |
162ed594 | 2290 | IN EFI_PHYSICAL_ADDRESS MemoryBaseAddress,\r |
2291 | IN UINT64 MemoryLength\r | |
2292 | )\r | |
28a00297 | 2293 | {\r |
e94a9ff7 | 2294 | EFI_PEI_HOB_POINTERS Hob;\r |
28a00297 | 2295 | VOID *NewHobList;\r |
e94a9ff7 | 2296 | EFI_HOB_HANDOFF_INFO_TABLE *PhitHob;\r |
28a00297 | 2297 | UINT8 SizeOfMemorySpace;\r |
2298 | UINT8 SizeOfIoSpace;\r | |
2299 | EFI_HOB_RESOURCE_DESCRIPTOR *ResourceHob;\r | |
2300 | EFI_PHYSICAL_ADDRESS BaseAddress;\r | |
2301 | UINT64 Length;\r | |
2302 | EFI_STATUS Status;\r | |
2303 | EFI_GCD_MAP_ENTRY *Entry;\r | |
2304 | EFI_GCD_MEMORY_TYPE GcdMemoryType;\r | |
2305 | EFI_GCD_IO_TYPE GcdIoType;\r | |
2306 | EFI_GCD_MEMORY_SPACE_DESCRIPTOR Descriptor;\r | |
2307 | EFI_HOB_MEMORY_ALLOCATION *MemoryHob;\r | |
2308 | EFI_HOB_FIRMWARE_VOLUME *FirmwareVolumeHob;\r | |
2309 | UINTN NumberOfDescriptors;\r | |
2310 | EFI_GCD_MEMORY_SPACE_DESCRIPTOR *MemorySpaceMap;\r | |
2311 | UINTN Index;\r | |
2312 | UINT64 Capabilities;\r | |
2313 | EFI_HOB_CPU * CpuHob;\r | |
e94a9ff7 | 2314 | \r |
28a00297 | 2315 | //\r |
2316 | // Cache the PHIT HOB for later use\r | |
2317 | //\r | |
2318 | PhitHob = (EFI_HOB_HANDOFF_INFO_TABLE *)(*HobStart);\r | |
2319 | \r | |
2320 | //\r | |
2321 | // Get the number of address lines in the I/O and Memory space for the CPU\r | |
2322 | //\r | |
2323 | CpuHob = GetFirstHob (EFI_HOB_TYPE_CPU);\r | |
2324 | ASSERT (CpuHob != NULL);\r | |
2325 | SizeOfMemorySpace = CpuHob->SizeOfMemorySpace;\r | |
2326 | SizeOfIoSpace = CpuHob->SizeOfIoSpace;\r | |
022c6d45 | 2327 | \r |
28a00297 | 2328 | //\r |
2329 | // Initialize the GCD Memory Space Map\r | |
2330 | //\r | |
9c4ac31c | 2331 | Entry = AllocateCopyPool (sizeof (EFI_GCD_MAP_ENTRY), &mGcdMemorySpaceMapEntryTemplate);\r |
28a00297 | 2332 | ASSERT (Entry != NULL);\r |
2333 | \r | |
2334 | Entry->EndAddress = LShiftU64 (1, SizeOfMemorySpace) - 1;\r | |
2335 | \r | |
2336 | InsertHeadList (&mGcdMemorySpaceMap, &Entry->Link);\r | |
2337 | \r | |
aa927cae | 2338 | CoreDumpGcdMemorySpaceMap (TRUE);\r |
f9d1f97c | 2339 | \r |
28a00297 | 2340 | //\r |
2341 | // Initialize the GCD I/O Space Map\r | |
2342 | //\r | |
9c4ac31c | 2343 | Entry = AllocateCopyPool (sizeof (EFI_GCD_MAP_ENTRY), &mGcdIoSpaceMapEntryTemplate);\r |
28a00297 | 2344 | ASSERT (Entry != NULL);\r |
2345 | \r | |
2346 | Entry->EndAddress = LShiftU64 (1, SizeOfIoSpace) - 1;\r | |
2347 | \r | |
2348 | InsertHeadList (&mGcdIoSpaceMap, &Entry->Link);\r | |
2349 | \r | |
aa927cae | 2350 | CoreDumpGcdIoSpaceMap (TRUE);\r |
f9d1f97c | 2351 | \r |
28a00297 | 2352 | //\r |
022c6d45 | 2353 | // Walk the HOB list and add all resource descriptors to the GCD\r |
28a00297 | 2354 | //\r |
2355 | for (Hob.Raw = *HobStart; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {\r | |
2356 | \r | |
2357 | GcdMemoryType = EfiGcdMemoryTypeNonExistent;\r | |
2358 | GcdIoType = EfiGcdIoTypeNonExistent;\r | |
2359 | \r | |
2360 | if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {\r | |
2361 | \r | |
2362 | ResourceHob = Hob.ResourceDescriptor;\r | |
2363 | \r | |
2364 | switch (ResourceHob->ResourceType) {\r | |
2365 | case EFI_RESOURCE_SYSTEM_MEMORY:\r | |
2366 | if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) == TESTED_MEMORY_ATTRIBUTES) {\r | |
74705ca5 SZ |
2367 | if ((ResourceHob->ResourceAttribute & EFI_RESOURCE_ATTRIBUTE_MORE_RELIABLE) == EFI_RESOURCE_ATTRIBUTE_MORE_RELIABLE) {\r |
2368 | GcdMemoryType = EfiGcdMemoryTypeMoreReliable;\r | |
2369 | } else {\r | |
2370 | GcdMemoryType = EfiGcdMemoryTypeSystemMemory;\r | |
2371 | }\r | |
28a00297 | 2372 | }\r |
2373 | if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) == INITIALIZED_MEMORY_ATTRIBUTES) {\r | |
2374 | GcdMemoryType = EfiGcdMemoryTypeReserved;\r | |
2375 | }\r | |
2376 | if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) == PRESENT_MEMORY_ATTRIBUTES) {\r | |
2377 | GcdMemoryType = EfiGcdMemoryTypeReserved;\r | |
2378 | }\r | |
a671a012 LG |
2379 | if ((ResourceHob->ResourceAttribute & EFI_RESOURCE_ATTRIBUTE_PERSISTENT) == EFI_RESOURCE_ATTRIBUTE_PERSISTENT) {\r |
2380 | GcdMemoryType = EfiGcdMemoryTypePersistentMemory;\r | |
2381 | }\r | |
28a00297 | 2382 | break;\r |
2383 | case EFI_RESOURCE_MEMORY_MAPPED_IO:\r | |
2384 | case EFI_RESOURCE_FIRMWARE_DEVICE:\r | |
2385 | GcdMemoryType = EfiGcdMemoryTypeMemoryMappedIo;\r | |
2386 | break;\r | |
2387 | case EFI_RESOURCE_MEMORY_MAPPED_IO_PORT:\r | |
2388 | case EFI_RESOURCE_MEMORY_RESERVED:\r | |
2389 | GcdMemoryType = EfiGcdMemoryTypeReserved;\r | |
2390 | break;\r | |
2391 | case EFI_RESOURCE_IO:\r | |
2392 | GcdIoType = EfiGcdIoTypeIo;\r | |
2393 | break;\r | |
2394 | case EFI_RESOURCE_IO_RESERVED:\r | |
2395 | GcdIoType = EfiGcdIoTypeReserved;\r | |
2396 | break;\r | |
2397 | }\r | |
2398 | \r | |
2399 | if (GcdMemoryType != EfiGcdMemoryTypeNonExistent) {\r | |
d12a2ecb | 2400 | //\r |
2401 | // Validate the Resource HOB Attributes\r | |
2402 | //\r | |
2403 | CoreValidateResourceDescriptorHobAttributes (ResourceHob->ResourceAttribute);\r | |
2404 | \r | |
28a00297 | 2405 | //\r |
2406 | // Convert the Resource HOB Attributes to an EFI Memory Capabilities mask\r | |
2407 | //\r | |
2408 | Capabilities = CoreConvertResourceDescriptorHobAttributesToCapabilities (\r | |
2409 | GcdMemoryType,\r | |
2410 | ResourceHob->ResourceAttribute\r | |
2411 | );\r | |
2412 | \r | |
2413 | Status = CoreInternalAddMemorySpace (\r | |
2414 | GcdMemoryType,\r | |
2415 | ResourceHob->PhysicalStart,\r | |
2416 | ResourceHob->ResourceLength,\r | |
2417 | Capabilities\r | |
2418 | );\r | |
2419 | }\r | |
2420 | \r | |
2421 | if (GcdIoType != EfiGcdIoTypeNonExistent) {\r | |
2422 | Status = CoreAddIoSpace (\r | |
2423 | GcdIoType,\r | |
2424 | ResourceHob->PhysicalStart,\r | |
2425 | ResourceHob->ResourceLength\r | |
2426 | );\r | |
2427 | }\r | |
2428 | }\r | |
2429 | }\r | |
2430 | \r | |
2431 | //\r | |
2432 | // Allocate first memory region from the GCD by the DXE core\r | |
2433 | //\r | |
74705ca5 SZ |
2434 | Status = CoreGetMemorySpaceDescriptor (MemoryBaseAddress, &Descriptor);\r |
2435 | if (!EFI_ERROR (Status)) {\r | |
2436 | ASSERT ((Descriptor.GcdMemoryType == EfiGcdMemoryTypeSystemMemory) ||\r | |
2437 | (Descriptor.GcdMemoryType == EfiGcdMemoryTypeMoreReliable));\r | |
2438 | Status = CoreAllocateMemorySpace (\r | |
2439 | EfiGcdAllocateAddress,\r | |
2440 | Descriptor.GcdMemoryType,\r | |
2441 | 0,\r | |
2442 | MemoryLength,\r | |
2443 | &MemoryBaseAddress,\r | |
2444 | gDxeCoreImageHandle,\r | |
2445 | NULL\r | |
2446 | );\r | |
2447 | }\r | |
28a00297 | 2448 | \r |
2449 | //\r | |
2450 | // Walk the HOB list and allocate all memory space that is consumed by memory allocation HOBs,\r | |
2451 | // and Firmware Volume HOBs. Also update the EFI Memory Map with the memory allocation HOBs.\r | |
2452 | //\r | |
2453 | for (Hob.Raw = *HobStart; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {\r | |
2454 | if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_MEMORY_ALLOCATION) {\r | |
2455 | MemoryHob = Hob.MemoryAllocation;\r | |
2456 | BaseAddress = MemoryHob->AllocDescriptor.MemoryBaseAddress;\r | |
f942f107 | 2457 | Status = CoreGetMemorySpaceDescriptor (BaseAddress, &Descriptor);\r |
28a00297 | 2458 | if (!EFI_ERROR (Status)) {\r |
f942f107 | 2459 | Status = CoreAllocateMemorySpace (\r |
2460 | EfiGcdAllocateAddress,\r | |
022c6d45 | 2461 | Descriptor.GcdMemoryType,\r |
f942f107 | 2462 | 0,\r |
2463 | MemoryHob->AllocDescriptor.MemoryLength,\r | |
2464 | &BaseAddress,\r | |
2465 | gDxeCoreImageHandle,\r | |
2466 | NULL\r | |
2467 | );\r | |
74705ca5 SZ |
2468 | if (!EFI_ERROR (Status) &&\r |
2469 | ((Descriptor.GcdMemoryType == EfiGcdMemoryTypeSystemMemory) ||\r | |
2470 | (Descriptor.GcdMemoryType == EfiGcdMemoryTypeMoreReliable))) {\r | |
28a00297 | 2471 | CoreAddMemoryDescriptor (\r |
2472 | MemoryHob->AllocDescriptor.MemoryType,\r | |
2473 | MemoryHob->AllocDescriptor.MemoryBaseAddress,\r | |
2474 | RShiftU64 (MemoryHob->AllocDescriptor.MemoryLength, EFI_PAGE_SHIFT),\r | |
2475 | Descriptor.Capabilities & (~EFI_MEMORY_RUNTIME)\r | |
2476 | );\r | |
2477 | }\r | |
2478 | }\r | |
2479 | }\r | |
2480 | \r | |
2481 | if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_FV) {\r | |
2482 | FirmwareVolumeHob = Hob.FirmwareVolume;\r | |
2483 | BaseAddress = FirmwareVolumeHob->BaseAddress;\r | |
2484 | Status = CoreAllocateMemorySpace (\r | |
2485 | EfiGcdAllocateAddress,\r | |
022c6d45 | 2486 | EfiGcdMemoryTypeMemoryMappedIo,\r |
28a00297 | 2487 | 0,\r |
2488 | FirmwareVolumeHob->Length,\r | |
2489 | &BaseAddress,\r | |
2490 | gDxeCoreImageHandle,\r | |
2491 | NULL\r | |
2492 | );\r | |
2493 | }\r | |
2494 | }\r | |
2495 | \r | |
2496 | //\r | |
2497 | // Relocate HOB List to an allocated pool buffer.\r | |
2498 | //\r | |
9c4ac31c | 2499 | NewHobList = AllocateCopyPool (\r |
022c6d45 | 2500 | (UINTN)PhitHob->EfiFreeMemoryBottom - (UINTN)(*HobStart),\r |
28a00297 | 2501 | *HobStart\r |
2502 | );\r | |
2503 | ASSERT (NewHobList != NULL);\r | |
2504 | \r | |
2505 | *HobStart = NewHobList;\r | |
05339bd7 | 2506 | gHobList = NewHobList;\r |
28a00297 | 2507 | \r |
2508 | //\r | |
2509 | // Add and allocate the remaining unallocated system memory to the memory services.\r | |
2510 | //\r | |
2511 | Status = CoreGetMemorySpaceMap (&NumberOfDescriptors, &MemorySpaceMap);\r | |
311a71b2 | 2512 | ASSERT (Status == EFI_SUCCESS);\r |
2513 | \r | |
28a00297 | 2514 | for (Index = 0; Index < NumberOfDescriptors; Index++) {\r |
74705ca5 SZ |
2515 | if ((MemorySpaceMap[Index].GcdMemoryType == EfiGcdMemoryTypeSystemMemory) ||\r |
2516 | (MemorySpaceMap[Index].GcdMemoryType == EfiGcdMemoryTypeMoreReliable)) {\r | |
28a00297 | 2517 | if (MemorySpaceMap[Index].ImageHandle == NULL) {\r |
2518 | BaseAddress = PageAlignAddress (MemorySpaceMap[Index].BaseAddress);\r | |
2519 | Length = PageAlignLength (MemorySpaceMap[Index].BaseAddress + MemorySpaceMap[Index].Length - BaseAddress);\r | |
383c303c | 2520 | if (Length == 0 || MemorySpaceMap[Index].BaseAddress + MemorySpaceMap[Index].Length < BaseAddress) {\r |
2521 | continue;\r | |
2522 | }\r | |
28a00297 | 2523 | CoreAddMemoryDescriptor (\r |
2524 | EfiConventionalMemory,\r | |
2525 | BaseAddress,\r | |
2526 | RShiftU64 (Length, EFI_PAGE_SHIFT),\r | |
2527 | MemorySpaceMap[Index].Capabilities & (~EFI_MEMORY_RUNTIME)\r | |
2528 | );\r | |
2529 | Status = CoreAllocateMemorySpace (\r | |
2530 | EfiGcdAllocateAddress,\r | |
74705ca5 | 2531 | MemorySpaceMap[Index].GcdMemoryType,\r |
28a00297 | 2532 | 0,\r |
2533 | Length,\r | |
2534 | &BaseAddress,\r | |
2535 | gDxeCoreImageHandle,\r | |
2536 | NULL\r | |
2537 | );\r | |
2538 | }\r | |
2539 | }\r | |
2540 | }\r | |
2541 | CoreFreePool (MemorySpaceMap);\r | |
2542 | \r | |
2543 | return EFI_SUCCESS;\r | |
2544 | }\r |