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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 |
3d78c020 | 6 | Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>\r |
cd5ebaa0 | 7 | This program and the accompanying materials\r |
23c98c94 | 8 | are licensed and made available under the terms and conditions of the BSD License\r |
9 | which accompanies this distribution. The full text of the license may be found at\r | |
10 | http://opensource.org/licenses/bsd-license.php\r | |
11 | \r | |
12 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
13 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
28a00297 | 14 | \r |
504214c4 | 15 | **/\r |
28a00297 | 16 | \r |
9c4ac31c | 17 | #include "DxeMain.h"\r |
ec90508b | 18 | #include "Gcd.h"\r |
28a00297 | 19 | \r |
20 | #define MINIMUM_INITIAL_MEMORY_SIZE 0x10000\r | |
21 | \r | |
22 | #define MEMORY_ATTRIBUTE_MASK (EFI_RESOURCE_ATTRIBUTE_PRESENT | \\r | |
23 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED | \\r | |
24 | EFI_RESOURCE_ATTRIBUTE_TESTED | \\r | |
25 | EFI_RESOURCE_ATTRIBUTE_READ_PROTECTED | \\r | |
26 | EFI_RESOURCE_ATTRIBUTE_WRITE_PROTECTED | \\r | |
27 | EFI_RESOURCE_ATTRIBUTE_EXECUTION_PROTECTED | \\r | |
28 | EFI_RESOURCE_ATTRIBUTE_16_BIT_IO | \\r | |
29 | EFI_RESOURCE_ATTRIBUTE_32_BIT_IO | \\r | |
022c6d45 | 30 | EFI_RESOURCE_ATTRIBUTE_64_BIT_IO )\r |
28a00297 | 31 | \r |
32 | #define TESTED_MEMORY_ATTRIBUTES (EFI_RESOURCE_ATTRIBUTE_PRESENT | \\r | |
33 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED | \\r | |
34 | EFI_RESOURCE_ATTRIBUTE_TESTED )\r | |
35 | \r | |
36 | #define INITIALIZED_MEMORY_ATTRIBUTES (EFI_RESOURCE_ATTRIBUTE_PRESENT | \\r | |
37 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED )\r | |
38 | \r | |
39 | #define PRESENT_MEMORY_ATTRIBUTES (EFI_RESOURCE_ATTRIBUTE_PRESENT)\r | |
40 | \r | |
41 | #define INVALID_CPU_ARCH_ATTRIBUTES 0xffffffff\r | |
42 | \r | |
43 | //\r | |
44 | // Module Variables\r | |
45 | //\r | |
46 | EFI_LOCK mGcdMemorySpaceLock = EFI_INITIALIZE_LOCK_VARIABLE (TPL_NOTIFY);\r | |
47 | EFI_LOCK mGcdIoSpaceLock = EFI_INITIALIZE_LOCK_VARIABLE (TPL_NOTIFY);\r | |
48 | LIST_ENTRY mGcdMemorySpaceMap = INITIALIZE_LIST_HEAD_VARIABLE (mGcdMemorySpaceMap);\r | |
49 | LIST_ENTRY mGcdIoSpaceMap = INITIALIZE_LIST_HEAD_VARIABLE (mGcdIoSpaceMap);\r | |
50 | \r | |
51 | EFI_GCD_MAP_ENTRY mGcdMemorySpaceMapEntryTemplate = {\r | |
52 | EFI_GCD_MAP_SIGNATURE,\r | |
022c6d45 | 53 | {\r |
e94a9ff7 | 54 | NULL,\r |
55 | NULL\r | |
56 | },\r | |
28a00297 | 57 | 0,\r |
58 | 0,\r | |
59 | 0,\r | |
60 | 0,\r | |
61 | EfiGcdMemoryTypeNonExistent,\r | |
62 | (EFI_GCD_IO_TYPE) 0,\r | |
63 | NULL,\r | |
64 | NULL\r | |
65 | };\r | |
66 | \r | |
67 | EFI_GCD_MAP_ENTRY mGcdIoSpaceMapEntryTemplate = {\r | |
68 | EFI_GCD_MAP_SIGNATURE,\r | |
e94a9ff7 | 69 | {\r |
70 | NULL,\r | |
71 | NULL\r | |
72 | },\r | |
28a00297 | 73 | 0,\r |
74 | 0,\r | |
75 | 0,\r | |
76 | 0,\r | |
77 | (EFI_GCD_MEMORY_TYPE) 0,\r | |
78 | EfiGcdIoTypeNonExistent,\r | |
79 | NULL,\r | |
80 | NULL\r | |
81 | };\r | |
82 | \r | |
83 | GCD_ATTRIBUTE_CONVERSION_ENTRY mAttributeConversionTable[] = {\r | |
84 | { EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE, EFI_MEMORY_UC, TRUE },\r | |
022c6d45 | 85 | { EFI_RESOURCE_ATTRIBUTE_UNCACHED_EXPORTED, EFI_MEMORY_UCE, TRUE },\r |
28a00297 | 86 | { EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE, EFI_MEMORY_WC, TRUE },\r |
87 | { EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE, EFI_MEMORY_WT, TRUE },\r | |
88 | { EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE, EFI_MEMORY_WB, TRUE },\r | |
d12a2ecb | 89 | { EFI_RESOURCE_ATTRIBUTE_READ_PROTECTABLE, EFI_MEMORY_RP, TRUE },\r |
90 | { EFI_RESOURCE_ATTRIBUTE_WRITE_PROTECTABLE, EFI_MEMORY_WP, TRUE },\r | |
91 | { EFI_RESOURCE_ATTRIBUTE_EXECUTION_PROTECTABLE, EFI_MEMORY_XP, TRUE },\r | |
28a00297 | 92 | { EFI_RESOURCE_ATTRIBUTE_PRESENT, EFI_MEMORY_PRESENT, FALSE },\r |
93 | { EFI_RESOURCE_ATTRIBUTE_INITIALIZED, EFI_MEMORY_INITIALIZED, FALSE },\r | |
94 | { EFI_RESOURCE_ATTRIBUTE_TESTED, EFI_MEMORY_TESTED, FALSE },\r | |
e94a9ff7 | 95 | { 0, 0, FALSE }\r |
28a00297 | 96 | };\r |
97 | \r | |
f9d1f97c | 98 | ///\r |
99 | /// Lookup table used to print GCD Memory Space Map\r | |
100 | ///\r | |
101 | GLOBAL_REMOVE_IF_UNREFERENCED CONST CHAR8 *mGcdMemoryTypeNames[] = {\r | |
102 | "NonExist ", // EfiGcdMemoryTypeNonExistent\r | |
103 | "Reserved ", // EfiGcdMemoryTypeReserved\r | |
104 | "SystemMem", // EfiGcdMemoryTypeSystemMemory\r | |
105 | "MMIO ", // EfiGcdMemoryTypeMemoryMappedIo\r | |
106 | "Unknown " // EfiGcdMemoryTypeMaximum\r | |
107 | };\r | |
108 | \r | |
109 | ///\r | |
110 | /// Lookup table used to print GCD I/O Space Map\r | |
111 | ///\r | |
112 | GLOBAL_REMOVE_IF_UNREFERENCED CONST CHAR8 *mGcdIoTypeNames[] = {\r | |
113 | "NonExist", // EfiGcdIoTypeNonExistent\r | |
114 | "Reserved", // EfiGcdIoTypeReserved\r | |
115 | "I/O ", // EfiGcdIoTypeIo\r | |
116 | "Unknown " // EfiGcdIoTypeMaximum \r | |
117 | };\r | |
118 | \r | |
119 | ///\r | |
120 | /// Lookup table used to print GCD Allocation Types\r | |
121 | ///\r | |
122 | GLOBAL_REMOVE_IF_UNREFERENCED CONST CHAR8 *mGcdAllocationTypeNames[] = {\r | |
123 | "AnySearchBottomUp ", // EfiGcdAllocateAnySearchBottomUp\r | |
124 | "MaxAddressSearchBottomUp ", // EfiGcdAllocateMaxAddressSearchBottomUp\r | |
125 | "AtAddress ", // EfiGcdAllocateAddress\r | |
126 | "AnySearchTopDown ", // EfiGcdAllocateAnySearchTopDown\r | |
127 | "MaxAddressSearchTopDown ", // EfiGcdAllocateMaxAddressSearchTopDown\r | |
128 | "Unknown " // EfiGcdMaxAllocateType\r | |
129 | };\r | |
130 | \r | |
131 | /**\r | |
132 | Dump the entire contents if the GCD Memory Space Map using DEBUG() macros when\r | |
133 | PcdDebugPrintErrorLevel has the DEBUG_GCD bit set.\r | |
134 | \r | |
aa927cae | 135 | @param InitialMap TRUE if the initial GCD Memory Map is being dumped. Otherwise, FALSE.\r |
136 | \r | |
f9d1f97c | 137 | **/\r |
138 | VOID\r | |
139 | EFIAPI\r | |
140 | CoreDumpGcdMemorySpaceMap (\r | |
aa927cae | 141 | BOOLEAN InitialMap\r |
f9d1f97c | 142 | )\r |
143 | {\r | |
aa927cae | 144 | DEBUG_CODE (\r |
145 | EFI_STATUS Status;\r | |
146 | UINTN NumberOfDescriptors;\r | |
147 | EFI_GCD_MEMORY_SPACE_DESCRIPTOR *MemorySpaceMap;\r | |
148 | UINTN Index;\r | |
149 | \r | |
150 | Status = CoreGetMemorySpaceMap (&NumberOfDescriptors, &MemorySpaceMap);\r | |
151 | ASSERT_EFI_ERROR (Status);\r | |
152 | \r | |
153 | if (InitialMap) {\r | |
154 | DEBUG ((DEBUG_GCD, "GCD:Initial GCD Memory Space Map\n"));\r | |
155 | }\r | |
156 | DEBUG ((DEBUG_GCD, "GCDMemType Range Capabilities Attributes \n"));\r | |
157 | DEBUG ((DEBUG_GCD, "========== ================================= ================ ================\n"));\r | |
158 | for (Index = 0; Index < NumberOfDescriptors; Index++) {\r | |
159 | DEBUG ((DEBUG_GCD, "%a %016lx-%016lx %016lx %016lx%c\n", \r | |
160 | mGcdMemoryTypeNames[MIN (MemorySpaceMap[Index].GcdMemoryType, EfiGcdMemoryTypeMaximum)],\r | |
161 | MemorySpaceMap[Index].BaseAddress, \r | |
162 | MemorySpaceMap[Index].BaseAddress + MemorySpaceMap[Index].Length - 1,\r | |
163 | MemorySpaceMap[Index].Capabilities, \r | |
164 | MemorySpaceMap[Index].Attributes,\r | |
165 | MemorySpaceMap[Index].ImageHandle == NULL ? ' ' : '*'\r | |
166 | ));\r | |
167 | }\r | |
168 | DEBUG ((DEBUG_GCD, "\n"));\r | |
169 | FreePool (MemorySpaceMap);\r | |
170 | );\r | |
f9d1f97c | 171 | }\r |
172 | \r | |
173 | /**\r | |
174 | Dump the entire contents if the GCD I/O Space Map using DEBUG() macros when \r | |
175 | PcdDebugPrintErrorLevel has the DEBUG_GCD bit set.\r | |
176 | \r | |
aa927cae | 177 | @param InitialMap TRUE if the initial GCD I/O Map is being dumped. Otherwise, FALSE.\r |
178 | \r | |
f9d1f97c | 179 | **/\r |
180 | VOID\r | |
181 | EFIAPI\r | |
182 | CoreDumpGcdIoSpaceMap (\r | |
aa927cae | 183 | BOOLEAN InitialMap\r |
f9d1f97c | 184 | )\r |
185 | {\r | |
aa927cae | 186 | DEBUG_CODE (\r |
187 | EFI_STATUS Status;\r | |
188 | UINTN NumberOfDescriptors;\r | |
189 | EFI_GCD_IO_SPACE_DESCRIPTOR *IoSpaceMap;\r | |
190 | UINTN Index;\r | |
191 | \r | |
192 | Status = CoreGetIoSpaceMap (&NumberOfDescriptors, &IoSpaceMap);\r | |
193 | ASSERT_EFI_ERROR (Status);\r | |
194 | \r | |
195 | if (InitialMap) {\r | |
196 | DEBUG ((DEBUG_GCD, "GCD:Initial GCD I/O Space Map\n"));\r | |
197 | } \r | |
198 | \r | |
199 | DEBUG ((DEBUG_GCD, "GCDIoType Range \n"));\r | |
200 | DEBUG ((DEBUG_GCD, "========== =================================\n"));\r | |
201 | for (Index = 0; Index < NumberOfDescriptors; Index++) {\r | |
202 | DEBUG ((DEBUG_GCD, "%a %016lx-%016lx%c\n", \r | |
203 | mGcdIoTypeNames[MIN (IoSpaceMap[Index].GcdIoType, EfiGcdIoTypeMaximum)],\r | |
204 | IoSpaceMap[Index].BaseAddress, \r | |
205 | IoSpaceMap[Index].BaseAddress + IoSpaceMap[Index].Length - 1,\r | |
206 | IoSpaceMap[Index].ImageHandle == NULL ? ' ' : '*'\r | |
207 | ));\r | |
208 | }\r | |
209 | DEBUG ((DEBUG_GCD, "\n"));\r | |
210 | FreePool (IoSpaceMap);\r | |
211 | );\r | |
f9d1f97c | 212 | }\r |
213 | \r | |
d12a2ecb | 214 | /**\r |
215 | Validate resource descriptor HOB's attributes.\r | |
216 | \r | |
217 | If Attributes includes some memory resource's settings, it should include \r | |
218 | the corresponding capabilites also.\r | |
f9d1f97c | 219 | \r |
d12a2ecb | 220 | @param Attributes Resource descriptor HOB attributes.\r |
221 | \r | |
222 | **/\r | |
223 | VOID\r | |
224 | CoreValidateResourceDescriptorHobAttributes (\r | |
225 | IN UINT64 Attributes\r | |
226 | )\r | |
227 | {\r | |
228 | ASSERT (((Attributes & EFI_RESOURCE_ATTRIBUTE_READ_PROTECTED) == 0) ||\r | |
229 | ((Attributes & EFI_RESOURCE_ATTRIBUTE_READ_PROTECTABLE) != 0));\r | |
230 | ASSERT (((Attributes & EFI_RESOURCE_ATTRIBUTE_WRITE_PROTECTED) == 0) ||\r | |
231 | ((Attributes & EFI_RESOURCE_ATTRIBUTE_WRITE_PROTECTABLE) != 0));\r | |
232 | ASSERT (((Attributes & EFI_RESOURCE_ATTRIBUTE_EXECUTION_PROTECTED) == 0) ||\r | |
233 | ((Attributes & EFI_RESOURCE_ATTRIBUTE_EXECUTION_PROTECTABLE) != 0));\r | |
234 | }\r | |
162ed594 | 235 | \r |
236 | /**\r | |
237 | Acquire memory lock on mGcdMemorySpaceLock.\r | |
238 | \r | |
239 | **/\r | |
28a00297 | 240 | VOID\r |
241 | CoreAcquireGcdMemoryLock (\r | |
242 | VOID\r | |
243 | )\r | |
28a00297 | 244 | {\r |
245 | CoreAcquireLock (&mGcdMemorySpaceLock);\r | |
246 | }\r | |
247 | \r | |
248 | \r | |
162ed594 | 249 | \r |
250 | /**\r | |
251 | Release memory lock on mGcdMemorySpaceLock.\r | |
252 | \r | |
253 | **/\r | |
28a00297 | 254 | VOID\r |
255 | CoreReleaseGcdMemoryLock (\r | |
256 | VOID\r | |
257 | )\r | |
28a00297 | 258 | {\r |
259 | CoreReleaseLock (&mGcdMemorySpaceLock);\r | |
260 | }\r | |
261 | \r | |
262 | \r | |
162ed594 | 263 | \r |
264 | /**\r | |
265 | Acquire memory lock on mGcdIoSpaceLock.\r | |
266 | \r | |
267 | **/\r | |
28a00297 | 268 | VOID\r |
269 | CoreAcquireGcdIoLock (\r | |
270 | VOID\r | |
271 | )\r | |
28a00297 | 272 | {\r |
273 | CoreAcquireLock (&mGcdIoSpaceLock);\r | |
274 | }\r | |
275 | \r | |
162ed594 | 276 | \r |
277 | /**\r | |
278 | Release memory lock on mGcdIoSpaceLock.\r | |
279 | \r | |
280 | **/\r | |
28a00297 | 281 | VOID\r |
282 | CoreReleaseGcdIoLock (\r | |
283 | VOID\r | |
284 | )\r | |
28a00297 | 285 | {\r |
286 | CoreReleaseLock (&mGcdIoSpaceLock);\r | |
287 | }\r | |
288 | \r | |
289 | \r | |
290 | \r | |
291 | //\r | |
292 | // GCD Initialization Worker Functions\r | |
293 | //\r | |
162ed594 | 294 | /**\r |
295 | Aligns a value to the specified boundary.\r | |
296 | \r | |
022c6d45 | 297 | @param Value 64 bit value to align\r |
298 | @param Alignment Log base 2 of the boundary to align Value to\r | |
299 | @param RoundUp TRUE if Value is to be rounded up to the nearest\r | |
300 | aligned boundary. FALSE is Value is to be\r | |
301 | rounded down to the nearest aligned boundary.\r | |
162ed594 | 302 | \r |
303 | @return A 64 bit value is the aligned to the value nearest Value with an alignment by Alignment.\r | |
304 | \r | |
305 | **/\r | |
28a00297 | 306 | UINT64\r |
307 | AlignValue (\r | |
308 | IN UINT64 Value,\r | |
309 | IN UINTN Alignment,\r | |
310 | IN BOOLEAN RoundUp\r | |
311 | )\r | |
28a00297 | 312 | {\r |
313 | UINT64 AlignmentMask;\r | |
314 | \r | |
315 | AlignmentMask = LShiftU64 (1, Alignment) - 1;\r | |
316 | if (RoundUp) {\r | |
317 | Value += AlignmentMask;\r | |
318 | }\r | |
319 | return Value & (~AlignmentMask);\r | |
320 | }\r | |
321 | \r | |
28a00297 | 322 | \r |
162ed594 | 323 | /**\r |
28a00297 | 324 | Aligns address to the page boundary.\r |
325 | \r | |
022c6d45 | 326 | @param Value 64 bit address to align\r |
28a00297 | 327 | \r |
162ed594 | 328 | @return A 64 bit value is the aligned to the value nearest Value with an alignment by Alignment.\r |
28a00297 | 329 | \r |
162ed594 | 330 | **/\r |
28a00297 | 331 | UINT64\r |
162ed594 | 332 | PageAlignAddress (\r |
28a00297 | 333 | IN UINT64 Value\r |
334 | )\r | |
162ed594 | 335 | {\r |
336 | return AlignValue (Value, EFI_PAGE_SHIFT, TRUE);\r | |
337 | }\r | |
28a00297 | 338 | \r |
28a00297 | 339 | \r |
162ed594 | 340 | /**\r |
28a00297 | 341 | Aligns length to the page boundary.\r |
342 | \r | |
022c6d45 | 343 | @param Value 64 bit length to align\r |
28a00297 | 344 | \r |
162ed594 | 345 | @return A 64 bit value is the aligned to the value nearest Value with an alignment by Alignment.\r |
28a00297 | 346 | \r |
162ed594 | 347 | **/\r |
162ed594 | 348 | UINT64\r |
349 | PageAlignLength (\r | |
350 | IN UINT64 Value\r | |
351 | )\r | |
28a00297 | 352 | {\r |
353 | return AlignValue (Value, EFI_PAGE_SHIFT, FALSE);\r | |
354 | }\r | |
355 | \r | |
356 | //\r | |
357 | // GCD Memory Space Worker Functions\r | |
358 | //\r | |
162ed594 | 359 | \r |
360 | /**\r | |
361 | Allocate pool for two entries.\r | |
362 | \r | |
022c6d45 | 363 | @param TopEntry An entry of GCD map\r |
364 | @param BottomEntry An entry of GCD map\r | |
162ed594 | 365 | \r |
022c6d45 | 366 | @retval EFI_OUT_OF_RESOURCES No enough buffer to be allocated.\r |
162ed594 | 367 | @retval EFI_SUCCESS Both entries successfully allocated.\r |
368 | \r | |
369 | **/\r | |
28a00297 | 370 | EFI_STATUS\r |
371 | CoreAllocateGcdMapEntry (\r | |
372 | IN OUT EFI_GCD_MAP_ENTRY **TopEntry,\r | |
373 | IN OUT EFI_GCD_MAP_ENTRY **BottomEntry\r | |
374 | )\r | |
28a00297 | 375 | {\r |
9c4ac31c | 376 | *TopEntry = AllocateZeroPool (sizeof (EFI_GCD_MAP_ENTRY));\r |
28a00297 | 377 | if (*TopEntry == NULL) {\r |
378 | return EFI_OUT_OF_RESOURCES;\r | |
379 | }\r | |
380 | \r | |
9c4ac31c | 381 | *BottomEntry = AllocateZeroPool (sizeof (EFI_GCD_MAP_ENTRY));\r |
28a00297 | 382 | if (*BottomEntry == NULL) {\r |
383 | CoreFreePool (*TopEntry);\r | |
384 | return EFI_OUT_OF_RESOURCES;\r | |
385 | }\r | |
386 | \r | |
387 | return EFI_SUCCESS;\r | |
388 | }\r | |
389 | \r | |
162ed594 | 390 | \r |
391 | /**\r | |
392 | Internal function. Inserts a new descriptor into a sorted list\r | |
393 | \r | |
022c6d45 | 394 | @param Link The linked list to insert the range BaseAddress\r |
395 | and Length into\r | |
396 | @param Entry A pointer to the entry that is inserted\r | |
397 | @param BaseAddress The base address of the new range\r | |
398 | @param Length The length of the new range in bytes\r | |
399 | @param TopEntry Top pad entry to insert if needed.\r | |
400 | @param BottomEntry Bottom pad entry to insert if needed.\r | |
162ed594 | 401 | \r |
402 | @retval EFI_SUCCESS The new range was inserted into the linked list\r | |
403 | \r | |
404 | **/\r | |
28a00297 | 405 | EFI_STATUS\r |
406 | CoreInsertGcdMapEntry (\r | |
407 | IN LIST_ENTRY *Link,\r | |
408 | IN EFI_GCD_MAP_ENTRY *Entry,\r | |
409 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
410 | IN UINT64 Length,\r | |
411 | IN EFI_GCD_MAP_ENTRY *TopEntry,\r | |
412 | IN EFI_GCD_MAP_ENTRY *BottomEntry\r | |
413 | )\r | |
28a00297 | 414 | {\r |
415 | ASSERT (Length != 0);\r | |
28a00297 | 416 | \r |
417 | if (BaseAddress > Entry->BaseAddress) {\r | |
f75316c3 | 418 | ASSERT (BottomEntry->Signature == 0);\r |
419 | \r | |
28a00297 | 420 | CopyMem (BottomEntry, Entry, sizeof (EFI_GCD_MAP_ENTRY));\r |
421 | Entry->BaseAddress = BaseAddress;\r | |
422 | BottomEntry->EndAddress = BaseAddress - 1;\r | |
423 | InsertTailList (Link, &BottomEntry->Link);\r | |
022c6d45 | 424 | }\r |
28a00297 | 425 | \r |
426 | if ((BaseAddress + Length - 1) < Entry->EndAddress) {\r | |
f75316c3 | 427 | ASSERT (TopEntry->Signature == 0);\r |
428 | \r | |
28a00297 | 429 | CopyMem (TopEntry, Entry, sizeof (EFI_GCD_MAP_ENTRY));\r |
430 | TopEntry->BaseAddress = BaseAddress + Length;\r | |
431 | Entry->EndAddress = BaseAddress + Length - 1;\r | |
432 | InsertHeadList (Link, &TopEntry->Link);\r | |
433 | }\r | |
434 | \r | |
435 | return EFI_SUCCESS;\r | |
436 | }\r | |
437 | \r | |
162ed594 | 438 | \r |
439 | /**\r | |
e94a9ff7 | 440 | Merge the Gcd region specified by Link and its adjacent entry.\r |
162ed594 | 441 | \r |
022c6d45 | 442 | @param Link Specify the entry to be merged (with its\r |
443 | adjacent entry).\r | |
444 | @param Forward Direction (forward or backward).\r | |
445 | @param Map Boundary.\r | |
162ed594 | 446 | \r |
022c6d45 | 447 | @retval EFI_SUCCESS Successfully returned.\r |
162ed594 | 448 | @retval EFI_UNSUPPORTED These adjacent regions could not merge.\r |
449 | \r | |
450 | **/\r | |
28a00297 | 451 | EFI_STATUS\r |
452 | CoreMergeGcdMapEntry (\r | |
453 | IN LIST_ENTRY *Link,\r | |
454 | IN BOOLEAN Forward,\r | |
455 | IN LIST_ENTRY *Map\r | |
456 | )\r | |
28a00297 | 457 | {\r |
458 | LIST_ENTRY *AdjacentLink;\r | |
459 | EFI_GCD_MAP_ENTRY *Entry;\r | |
460 | EFI_GCD_MAP_ENTRY *AdjacentEntry;\r | |
461 | \r | |
462 | //\r | |
463 | // Get adjacent entry\r | |
464 | //\r | |
465 | if (Forward) {\r | |
466 | AdjacentLink = Link->ForwardLink;\r | |
467 | } else {\r | |
468 | AdjacentLink = Link->BackLink;\r | |
469 | }\r | |
470 | \r | |
471 | //\r | |
472 | // If AdjacentLink is the head of the list, then no merge can be performed\r | |
473 | //\r | |
474 | if (AdjacentLink == Map) {\r | |
475 | return EFI_SUCCESS;\r | |
476 | }\r | |
477 | \r | |
478 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
479 | AdjacentEntry = CR (AdjacentLink, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
480 | \r | |
481 | if (Entry->Capabilities != AdjacentEntry->Capabilities) {\r | |
482 | return EFI_UNSUPPORTED;\r | |
483 | }\r | |
484 | if (Entry->Attributes != AdjacentEntry->Attributes) {\r | |
485 | return EFI_UNSUPPORTED;\r | |
486 | }\r | |
487 | if (Entry->GcdMemoryType != AdjacentEntry->GcdMemoryType) {\r | |
488 | return EFI_UNSUPPORTED;\r | |
489 | }\r | |
490 | if (Entry->GcdIoType != AdjacentEntry->GcdIoType) {\r | |
491 | return EFI_UNSUPPORTED;\r | |
492 | }\r | |
493 | if (Entry->ImageHandle != AdjacentEntry->ImageHandle) {\r | |
494 | return EFI_UNSUPPORTED;\r | |
495 | }\r | |
496 | if (Entry->DeviceHandle != AdjacentEntry->DeviceHandle) {\r | |
497 | return EFI_UNSUPPORTED;\r | |
498 | }\r | |
499 | \r | |
500 | if (Forward) {\r | |
501 | Entry->EndAddress = AdjacentEntry->EndAddress;\r | |
502 | } else {\r | |
503 | Entry->BaseAddress = AdjacentEntry->BaseAddress;\r | |
504 | }\r | |
505 | RemoveEntryList (AdjacentLink);\r | |
506 | CoreFreePool (AdjacentEntry);\r | |
507 | \r | |
508 | return EFI_SUCCESS;\r | |
509 | }\r | |
510 | \r | |
162ed594 | 511 | \r |
512 | /**\r | |
513 | Merge adjacent entries on total chain.\r | |
514 | \r | |
022c6d45 | 515 | @param TopEntry Top entry of GCD map.\r |
516 | @param BottomEntry Bottom entry of GCD map.\r | |
517 | @param StartLink Start link of the list for this loop.\r | |
518 | @param EndLink End link of the list for this loop.\r | |
519 | @param Map Boundary.\r | |
162ed594 | 520 | \r |
521 | @retval EFI_SUCCESS GCD map successfully cleaned up.\r | |
522 | \r | |
523 | **/\r | |
28a00297 | 524 | EFI_STATUS\r |
525 | CoreCleanupGcdMapEntry (\r | |
526 | IN EFI_GCD_MAP_ENTRY *TopEntry,\r | |
527 | IN EFI_GCD_MAP_ENTRY *BottomEntry,\r | |
528 | IN LIST_ENTRY *StartLink,\r | |
529 | IN LIST_ENTRY *EndLink,\r | |
530 | IN LIST_ENTRY *Map\r | |
531 | )\r | |
28a00297 | 532 | {\r |
533 | LIST_ENTRY *Link;\r | |
534 | \r | |
535 | if (TopEntry->Signature == 0) {\r | |
536 | CoreFreePool (TopEntry);\r | |
537 | }\r | |
538 | if (BottomEntry->Signature == 0) {\r | |
539 | CoreFreePool (BottomEntry);\r | |
540 | }\r | |
541 | \r | |
542 | Link = StartLink;\r | |
543 | while (Link != EndLink->ForwardLink) {\r | |
544 | CoreMergeGcdMapEntry (Link, FALSE, Map);\r | |
545 | Link = Link->ForwardLink;\r | |
546 | }\r | |
547 | CoreMergeGcdMapEntry (EndLink, TRUE, Map);\r | |
548 | \r | |
549 | return EFI_SUCCESS;\r | |
550 | }\r | |
551 | \r | |
162ed594 | 552 | \r |
553 | /**\r | |
554 | Search a segment of memory space in GCD map. The result is a range of GCD entry list.\r | |
555 | \r | |
022c6d45 | 556 | @param BaseAddress The start address of the segment.\r |
557 | @param Length The length of the segment.\r | |
558 | @param StartLink The first GCD entry involves this segment of\r | |
559 | memory space.\r | |
560 | @param EndLink The first GCD entry involves this segment of\r | |
561 | memory space.\r | |
562 | @param Map Points to the start entry to search.\r | |
162ed594 | 563 | \r |
022c6d45 | 564 | @retval EFI_SUCCESS Successfully found the entry.\r |
162ed594 | 565 | @retval EFI_NOT_FOUND Not found.\r |
566 | \r | |
567 | **/\r | |
28a00297 | 568 | EFI_STATUS\r |
569 | CoreSearchGcdMapEntry (\r | |
570 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
571 | IN UINT64 Length,\r | |
572 | OUT LIST_ENTRY **StartLink,\r | |
573 | OUT LIST_ENTRY **EndLink,\r | |
574 | IN LIST_ENTRY *Map\r | |
575 | )\r | |
28a00297 | 576 | {\r |
577 | LIST_ENTRY *Link;\r | |
578 | EFI_GCD_MAP_ENTRY *Entry;\r | |
579 | \r | |
580 | ASSERT (Length != 0);\r | |
581 | \r | |
582 | *StartLink = NULL;\r | |
583 | *EndLink = NULL;\r | |
584 | \r | |
585 | Link = Map->ForwardLink;\r | |
586 | while (Link != Map) {\r | |
587 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
588 | if (BaseAddress >= Entry->BaseAddress && BaseAddress <= Entry->EndAddress) {\r | |
589 | *StartLink = Link;\r | |
590 | }\r | |
591 | if (*StartLink != NULL) {\r | |
022c6d45 | 592 | if ((BaseAddress + Length - 1) >= Entry->BaseAddress &&\r |
28a00297 | 593 | (BaseAddress + Length - 1) <= Entry->EndAddress ) {\r |
594 | *EndLink = Link;\r | |
595 | return EFI_SUCCESS;\r | |
596 | }\r | |
597 | }\r | |
598 | Link = Link->ForwardLink;\r | |
599 | }\r | |
e94a9ff7 | 600 | \r |
28a00297 | 601 | return EFI_NOT_FOUND;\r |
602 | }\r | |
603 | \r | |
28a00297 | 604 | \r |
162ed594 | 605 | /**\r |
28a00297 | 606 | Count the amount of GCD map entries.\r |
607 | \r | |
022c6d45 | 608 | @param Map Points to the start entry to do the count loop.\r |
28a00297 | 609 | \r |
162ed594 | 610 | @return The count.\r |
28a00297 | 611 | \r |
162ed594 | 612 | **/\r |
162ed594 | 613 | UINTN\r |
614 | CoreCountGcdMapEntry (\r | |
615 | IN LIST_ENTRY *Map\r | |
616 | )\r | |
28a00297 | 617 | {\r |
618 | UINTN Count;\r | |
619 | LIST_ENTRY *Link;\r | |
620 | \r | |
621 | Count = 0;\r | |
622 | Link = Map->ForwardLink;\r | |
623 | while (Link != Map) {\r | |
624 | Count++;\r | |
625 | Link = Link->ForwardLink;\r | |
626 | }\r | |
022c6d45 | 627 | \r |
28a00297 | 628 | return Count;\r |
629 | }\r | |
630 | \r | |
631 | \r | |
28a00297 | 632 | \r |
162ed594 | 633 | /**\r |
28a00297 | 634 | Return the memory attribute specified by Attributes\r |
635 | \r | |
022c6d45 | 636 | @param Attributes A num with some attribute bits on.\r |
28a00297 | 637 | \r |
162ed594 | 638 | @return The enum value of memory attribute.\r |
28a00297 | 639 | \r |
162ed594 | 640 | **/\r |
162ed594 | 641 | UINT64\r |
642 | ConverToCpuArchAttributes (\r | |
643 | UINT64 Attributes\r | |
23c98c94 | 644 | )\r |
28a00297 | 645 | {\r |
646 | if ( (Attributes & EFI_MEMORY_UC) == EFI_MEMORY_UC) {\r | |
647 | return EFI_MEMORY_UC;\r | |
648 | }\r | |
649 | \r | |
650 | if ( (Attributes & EFI_MEMORY_WC ) == EFI_MEMORY_WC) {\r | |
651 | return EFI_MEMORY_WC;\r | |
652 | }\r | |
653 | \r | |
654 | if ( (Attributes & EFI_MEMORY_WT ) == EFI_MEMORY_WT) {\r | |
655 | return EFI_MEMORY_WT;\r | |
656 | }\r | |
657 | \r | |
658 | if ( (Attributes & EFI_MEMORY_WB) == EFI_MEMORY_WB) {\r | |
659 | return EFI_MEMORY_WB;\r | |
660 | }\r | |
661 | \r | |
662 | if ( (Attributes & EFI_MEMORY_WP) == EFI_MEMORY_WP) {\r | |
663 | return EFI_MEMORY_WP;\r | |
664 | }\r | |
665 | \r | |
666 | return INVALID_CPU_ARCH_ATTRIBUTES;\r | |
667 | \r | |
668 | }\r | |
669 | \r | |
162ed594 | 670 | \r |
671 | /**\r | |
672 | Do operation on a segment of memory space specified (add, free, remove, change attribute ...).\r | |
673 | \r | |
022c6d45 | 674 | @param Operation The type of the operation\r |
675 | @param GcdMemoryType Additional information for the operation\r | |
676 | @param GcdIoType Additional information for the operation\r | |
677 | @param BaseAddress Start address of the segment\r | |
678 | @param Length length of the segment\r | |
679 | @param Capabilities The alterable attributes of a newly added entry\r | |
680 | @param Attributes The attributes needs to be set\r | |
681 | \r | |
682 | @retval EFI_INVALID_PARAMETER Length is 0 or address (length) not aligned when\r | |
683 | setting attribute.\r | |
684 | @retval EFI_SUCCESS Action successfully done.\r | |
685 | @retval EFI_UNSUPPORTED Could not find the proper descriptor on this\r | |
686 | segment or set an upsupported attribute.\r | |
687 | @retval EFI_ACCESS_DENIED Operate on an space non-exist or is used for an\r | |
688 | image.\r | |
689 | @retval EFI_NOT_FOUND Free a non-using space or remove a non-exist\r | |
690 | space, and so on.\r | |
162ed594 | 691 | @retval EFI_OUT_OF_RESOURCES No buffer could be allocated.\r |
fc8ff20f | 692 | @retval EFI_NOT_AVAILABLE_YET The attributes cannot be set because CPU architectural protocol\r |
693 | is not available yet.\r | |
162ed594 | 694 | **/\r |
28a00297 | 695 | EFI_STATUS\r |
696 | CoreConvertSpace (\r | |
697 | IN UINTN Operation,\r | |
698 | IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
699 | IN EFI_GCD_IO_TYPE GcdIoType,\r | |
700 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
701 | IN UINT64 Length,\r | |
702 | IN UINT64 Capabilities,\r | |
703 | IN UINT64 Attributes\r | |
704 | )\r | |
28a00297 | 705 | {\r |
706 | EFI_STATUS Status;\r | |
707 | LIST_ENTRY *Map;\r | |
708 | LIST_ENTRY *Link;\r | |
709 | EFI_GCD_MAP_ENTRY *Entry;\r | |
710 | EFI_GCD_MAP_ENTRY *TopEntry;\r | |
711 | EFI_GCD_MAP_ENTRY *BottomEntry;\r | |
712 | LIST_ENTRY *StartLink;\r | |
713 | LIST_ENTRY *EndLink;\r | |
f9d1f97c | 714 | UINT64 CpuArchAttributes;\r |
28a00297 | 715 | \r |
716 | if (Length == 0) {\r | |
aa927cae | 717 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 718 | return EFI_INVALID_PARAMETER;\r |
719 | }\r | |
720 | \r | |
721 | Map = NULL;\r | |
71f68914 | 722 | if ((Operation & GCD_MEMORY_SPACE_OPERATION) != 0) {\r |
28a00297 | 723 | CoreAcquireGcdMemoryLock ();\r |
724 | Map = &mGcdMemorySpaceMap;\r | |
fbbb4211 | 725 | } else if ((Operation & GCD_IO_SPACE_OPERATION) != 0) {\r |
28a00297 | 726 | CoreAcquireGcdIoLock ();\r |
727 | Map = &mGcdIoSpaceMap;\r | |
fbbb4211 | 728 | } else {\r |
729 | ASSERT (FALSE);\r | |
28a00297 | 730 | }\r |
731 | \r | |
732 | //\r | |
733 | // Search for the list of descriptors that cover the range BaseAddress to BaseAddress+Length\r | |
734 | //\r | |
735 | Status = CoreSearchGcdMapEntry (BaseAddress, Length, &StartLink, &EndLink, Map);\r | |
736 | if (EFI_ERROR (Status)) {\r | |
737 | Status = EFI_UNSUPPORTED;\r | |
738 | \r | |
739 | goto Done;\r | |
740 | }\r | |
d2fbaaab | 741 | ASSERT (StartLink != NULL && EndLink != NULL);\r |
28a00297 | 742 | \r |
743 | //\r | |
744 | // Verify that the list of descriptors are unallocated non-existent memory.\r | |
745 | //\r | |
746 | Link = StartLink;\r | |
747 | while (Link != EndLink->ForwardLink) {\r | |
748 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
749 | switch (Operation) {\r | |
750 | //\r | |
751 | // Add operations\r | |
752 | //\r | |
753 | case GCD_ADD_MEMORY_OPERATION:\r | |
754 | if (Entry->GcdMemoryType != EfiGcdMemoryTypeNonExistent ||\r | |
755 | Entry->ImageHandle != NULL ) {\r | |
756 | Status = EFI_ACCESS_DENIED;\r | |
757 | goto Done;\r | |
758 | }\r | |
759 | break;\r | |
760 | case GCD_ADD_IO_OPERATION:\r | |
761 | if (Entry->GcdIoType != EfiGcdIoTypeNonExistent ||\r | |
762 | Entry->ImageHandle != NULL ) {\r | |
763 | Status = EFI_ACCESS_DENIED;\r | |
764 | goto Done;\r | |
765 | }\r | |
766 | break;\r | |
767 | //\r | |
768 | // Free operations\r | |
769 | //\r | |
770 | case GCD_FREE_MEMORY_OPERATION:\r | |
771 | case GCD_FREE_IO_OPERATION:\r | |
772 | if (Entry->ImageHandle == NULL) {\r | |
773 | Status = EFI_NOT_FOUND;\r | |
774 | goto Done;\r | |
775 | }\r | |
776 | break;\r | |
777 | //\r | |
778 | // Remove operations\r | |
779 | //\r | |
780 | case GCD_REMOVE_MEMORY_OPERATION:\r | |
781 | if (Entry->GcdMemoryType == EfiGcdMemoryTypeNonExistent) {\r | |
782 | Status = EFI_NOT_FOUND;\r | |
783 | goto Done;\r | |
784 | }\r | |
785 | if (Entry->ImageHandle != NULL) {\r | |
786 | Status = EFI_ACCESS_DENIED;\r | |
787 | goto Done;\r | |
788 | }\r | |
789 | break;\r | |
790 | case GCD_REMOVE_IO_OPERATION:\r | |
791 | if (Entry->GcdIoType == EfiGcdIoTypeNonExistent) {\r | |
792 | Status = EFI_NOT_FOUND;\r | |
793 | goto Done;\r | |
794 | }\r | |
795 | if (Entry->ImageHandle != NULL) {\r | |
796 | Status = EFI_ACCESS_DENIED;\r | |
797 | goto Done;\r | |
798 | }\r | |
799 | break;\r | |
800 | //\r | |
801 | // Set attribute operations\r | |
802 | //\r | |
803 | case GCD_SET_ATTRIBUTES_MEMORY_OPERATION:\r | |
71f68914 | 804 | if ((Attributes & EFI_MEMORY_RUNTIME) != 0) {\r |
28a00297 | 805 | if ((BaseAddress & EFI_PAGE_MASK) != 0 || (Length & EFI_PAGE_MASK) != 0) {\r |
806 | Status = EFI_INVALID_PARAMETER;\r | |
28a00297 | 807 | goto Done;\r |
808 | }\r | |
809 | }\r | |
810 | if ((Entry->Capabilities & Attributes) != Attributes) {\r | |
811 | Status = EFI_UNSUPPORTED;\r | |
812 | goto Done;\r | |
813 | }\r | |
814 | break;\r | |
815 | }\r | |
816 | Link = Link->ForwardLink;\r | |
817 | }\r | |
818 | \r | |
819 | //\r | |
820 | // Allocate work space to perform this operation\r | |
821 | //\r | |
822 | Status = CoreAllocateGcdMapEntry (&TopEntry, &BottomEntry);\r | |
823 | if (EFI_ERROR (Status)) {\r | |
824 | Status = EFI_OUT_OF_RESOURCES;\r | |
825 | goto Done;\r | |
826 | }\r | |
d2fbaaab | 827 | ASSERT (TopEntry != NULL && BottomEntry != NULL);\r |
28a00297 | 828 | \r |
28a00297 | 829 | if (Operation == GCD_SET_ATTRIBUTES_MEMORY_OPERATION) {\r |
830 | //\r | |
831 | // Call CPU Arch Protocol to attempt to set attributes on the range\r | |
832 | //\r | |
833 | CpuArchAttributes = ConverToCpuArchAttributes (Attributes);\r | |
f9d1f97c | 834 | if (CpuArchAttributes != INVALID_CPU_ARCH_ATTRIBUTES) {\r |
fc8ff20f | 835 | if (gCpu == NULL) {\r |
836 | Status = EFI_NOT_AVAILABLE_YET;\r | |
837 | } else {\r | |
f9d1f97c | 838 | Status = gCpu->SetMemoryAttributes (\r |
839 | gCpu,\r | |
840 | BaseAddress,\r | |
841 | Length,\r | |
842 | CpuArchAttributes\r | |
843 | );\r | |
fc8ff20f | 844 | }\r |
845 | if (EFI_ERROR (Status)) {\r | |
846 | CoreFreePool (TopEntry);\r | |
847 | CoreFreePool (BottomEntry);\r | |
848 | goto Done;\r | |
28a00297 | 849 | }\r |
850 | }\r | |
28a00297 | 851 | }\r |
852 | \r | |
853 | //\r | |
854 | // Convert/Insert the list of descriptors from StartLink to EndLink\r | |
855 | //\r | |
856 | Link = StartLink;\r | |
857 | while (Link != EndLink->ForwardLink) {\r | |
858 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
859 | CoreInsertGcdMapEntry (Link, Entry, BaseAddress, Length, TopEntry, BottomEntry);\r | |
860 | switch (Operation) {\r | |
861 | //\r | |
862 | // Add operations\r | |
863 | //\r | |
864 | case GCD_ADD_MEMORY_OPERATION:\r | |
865 | Entry->GcdMemoryType = GcdMemoryType;\r | |
866 | if (GcdMemoryType == EfiGcdMemoryTypeMemoryMappedIo) {\r | |
867 | Entry->Capabilities = Capabilities | EFI_MEMORY_RUNTIME | EFI_MEMORY_PORT_IO;\r | |
868 | } else {\r | |
869 | Entry->Capabilities = Capabilities | EFI_MEMORY_RUNTIME;\r | |
870 | }\r | |
871 | break;\r | |
872 | case GCD_ADD_IO_OPERATION:\r | |
873 | Entry->GcdIoType = GcdIoType;\r | |
874 | break;\r | |
875 | //\r | |
876 | // Free operations\r | |
877 | //\r | |
878 | case GCD_FREE_MEMORY_OPERATION:\r | |
879 | case GCD_FREE_IO_OPERATION:\r | |
880 | Entry->ImageHandle = NULL;\r | |
881 | Entry->DeviceHandle = NULL;\r | |
882 | break;\r | |
883 | //\r | |
884 | // Remove operations\r | |
885 | //\r | |
886 | case GCD_REMOVE_MEMORY_OPERATION:\r | |
887 | Entry->GcdMemoryType = EfiGcdMemoryTypeNonExistent;\r | |
888 | Entry->Capabilities = 0;\r | |
889 | break;\r | |
890 | case GCD_REMOVE_IO_OPERATION:\r | |
891 | Entry->GcdIoType = EfiGcdIoTypeNonExistent;\r | |
892 | break;\r | |
893 | //\r | |
894 | // Set attribute operations\r | |
895 | //\r | |
896 | case GCD_SET_ATTRIBUTES_MEMORY_OPERATION:\r | |
897 | Entry->Attributes = Attributes;\r | |
898 | break;\r | |
899 | }\r | |
900 | Link = Link->ForwardLink;\r | |
901 | }\r | |
902 | \r | |
903 | //\r | |
904 | // Cleanup\r | |
905 | //\r | |
906 | Status = CoreCleanupGcdMapEntry (TopEntry, BottomEntry, StartLink, EndLink, Map);\r | |
907 | \r | |
908 | Done:\r | |
aa927cae | 909 | DEBUG ((DEBUG_GCD, " Status = %r\n", Status));\r |
f9d1f97c | 910 | \r |
71f68914 | 911 | if ((Operation & GCD_MEMORY_SPACE_OPERATION) != 0) {\r |
28a00297 | 912 | CoreReleaseGcdMemoryLock ();\r |
aa927cae | 913 | CoreDumpGcdMemorySpaceMap (FALSE);\r |
28a00297 | 914 | }\r |
71f68914 | 915 | if ((Operation & GCD_IO_SPACE_OPERATION) != 0) {\r |
28a00297 | 916 | CoreReleaseGcdIoLock ();\r |
aa927cae | 917 | CoreDumpGcdIoSpaceMap (FALSE);\r |
28a00297 | 918 | }\r |
919 | \r | |
920 | return Status;\r | |
921 | }\r | |
922 | \r | |
162ed594 | 923 | \r |
924 | /**\r | |
925 | Check whether an entry could be used to allocate space.\r | |
926 | \r | |
022c6d45 | 927 | @param Operation Allocate memory or IO\r |
928 | @param Entry The entry to be tested\r | |
929 | @param GcdMemoryType The desired memory type\r | |
930 | @param GcdIoType The desired IO type\r | |
162ed594 | 931 | \r |
022c6d45 | 932 | @retval EFI_NOT_FOUND The memory type does not match or there's an\r |
933 | image handle on the entry.\r | |
934 | @retval EFI_UNSUPPORTED The operation unsupported.\r | |
935 | @retval EFI_SUCCESS It's ok for this entry to be used to allocate\r | |
162ed594 | 936 | space.\r |
937 | \r | |
938 | **/\r | |
28a00297 | 939 | EFI_STATUS\r |
940 | CoreAllocateSpaceCheckEntry (\r | |
941 | IN UINTN Operation,\r | |
942 | IN EFI_GCD_MAP_ENTRY *Entry,\r | |
943 | IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
944 | IN EFI_GCD_IO_TYPE GcdIoType\r | |
945 | )\r | |
28a00297 | 946 | {\r |
947 | if (Entry->ImageHandle != NULL) {\r | |
948 | return EFI_NOT_FOUND;\r | |
949 | }\r | |
950 | switch (Operation) {\r | |
951 | case GCD_ALLOCATE_MEMORY_OPERATION:\r | |
952 | if (Entry->GcdMemoryType != GcdMemoryType) {\r | |
953 | return EFI_NOT_FOUND;\r | |
954 | }\r | |
955 | break;\r | |
956 | case GCD_ALLOCATE_IO_OPERATION:\r | |
957 | if (Entry->GcdIoType != GcdIoType) {\r | |
958 | return EFI_NOT_FOUND;\r | |
959 | }\r | |
960 | break;\r | |
961 | default:\r | |
962 | return EFI_UNSUPPORTED;\r | |
963 | }\r | |
964 | return EFI_SUCCESS;\r | |
965 | }\r | |
966 | \r | |
162ed594 | 967 | \r |
968 | /**\r | |
969 | Allocate space on specified address and length.\r | |
970 | \r | |
022c6d45 | 971 | @param Operation The type of operation (memory or IO)\r |
972 | @param GcdAllocateType The type of allocate operation\r | |
973 | @param GcdMemoryType The desired memory type\r | |
974 | @param GcdIoType The desired IO type\r | |
975 | @param Alignment Align with 2^Alignment\r | |
976 | @param Length Length to allocate\r | |
977 | @param BaseAddress Base address to allocate\r | |
978 | @param ImageHandle The image handle consume the allocated space.\r | |
979 | @param DeviceHandle The device handle consume the allocated space.\r | |
980 | \r | |
981 | @retval EFI_INVALID_PARAMETER Invalid parameter.\r | |
982 | @retval EFI_NOT_FOUND No descriptor for the desired space exists.\r | |
162ed594 | 983 | @retval EFI_SUCCESS Space successfully allocated.\r |
984 | \r | |
985 | **/\r | |
28a00297 | 986 | EFI_STATUS\r |
987 | CoreAllocateSpace (\r | |
988 | IN UINTN Operation,\r | |
989 | IN EFI_GCD_ALLOCATE_TYPE GcdAllocateType,\r | |
990 | IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
991 | IN EFI_GCD_IO_TYPE GcdIoType,\r | |
992 | IN UINTN Alignment,\r | |
993 | IN UINT64 Length,\r | |
994 | IN OUT EFI_PHYSICAL_ADDRESS *BaseAddress,\r | |
995 | IN EFI_HANDLE ImageHandle,\r | |
996 | IN EFI_HANDLE DeviceHandle OPTIONAL\r | |
997 | )\r | |
28a00297 | 998 | {\r |
999 | EFI_STATUS Status;\r | |
1000 | EFI_PHYSICAL_ADDRESS AlignmentMask;\r | |
1001 | EFI_PHYSICAL_ADDRESS MaxAddress;\r | |
1002 | LIST_ENTRY *Map;\r | |
1003 | LIST_ENTRY *Link;\r | |
1004 | LIST_ENTRY *SubLink;\r | |
1005 | EFI_GCD_MAP_ENTRY *Entry;\r | |
1006 | EFI_GCD_MAP_ENTRY *TopEntry;\r | |
1007 | EFI_GCD_MAP_ENTRY *BottomEntry;\r | |
1008 | LIST_ENTRY *StartLink;\r | |
1009 | LIST_ENTRY *EndLink;\r | |
1010 | BOOLEAN Found;\r | |
1011 | \r | |
1012 | //\r | |
1013 | // Make sure parameters are valid\r | |
1014 | //\r | |
3d78c020 | 1015 | if ((UINT32)GcdAllocateType >= EfiGcdMaxAllocateType) {\r |
aa927cae | 1016 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 1017 | return EFI_INVALID_PARAMETER;\r |
1018 | }\r | |
3d78c020 | 1019 | if ((UINT32)GcdMemoryType >= EfiGcdMemoryTypeMaximum) {\r |
aa927cae | 1020 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 1021 | return EFI_INVALID_PARAMETER;\r |
1022 | }\r | |
3d78c020 | 1023 | if ((UINT32)GcdIoType >= EfiGcdIoTypeMaximum) {\r |
aa927cae | 1024 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 1025 | return EFI_INVALID_PARAMETER;\r |
1026 | }\r | |
1027 | if (BaseAddress == NULL) {\r | |
aa927cae | 1028 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 1029 | return EFI_INVALID_PARAMETER;\r |
1030 | }\r | |
1031 | if (ImageHandle == NULL) {\r | |
aa927cae | 1032 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 1033 | return EFI_INVALID_PARAMETER;\r |
1034 | }\r | |
1035 | if (Alignment >= 64) {\r | |
aa927cae | 1036 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_NOT_FOUND));\r |
28a00297 | 1037 | return EFI_NOT_FOUND;\r |
1038 | }\r | |
1039 | if (Length == 0) {\r | |
aa927cae | 1040 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 1041 | return EFI_INVALID_PARAMETER;\r |
1042 | }\r | |
1043 | \r | |
1044 | Map = NULL;\r | |
71f68914 | 1045 | if ((Operation & GCD_MEMORY_SPACE_OPERATION) != 0) {\r |
28a00297 | 1046 | CoreAcquireGcdMemoryLock ();\r |
1047 | Map = &mGcdMemorySpaceMap;\r | |
fbbb4211 | 1048 | } else if ((Operation & GCD_IO_SPACE_OPERATION) != 0) {\r |
28a00297 | 1049 | CoreAcquireGcdIoLock ();\r |
1050 | Map = &mGcdIoSpaceMap;\r | |
fbbb4211 | 1051 | } else {\r |
1052 | ASSERT (FALSE);\r | |
28a00297 | 1053 | }\r |
1054 | \r | |
1055 | Found = FALSE;\r | |
1056 | StartLink = NULL;\r | |
1057 | EndLink = NULL;\r | |
1058 | //\r | |
1059 | // Compute alignment bit mask\r | |
1060 | //\r | |
1061 | AlignmentMask = LShiftU64 (1, Alignment) - 1;\r | |
1062 | \r | |
1063 | if (GcdAllocateType == EfiGcdAllocateAddress) {\r | |
1064 | //\r | |
1065 | // Verify that the BaseAddress passed in is aligned correctly\r | |
1066 | //\r | |
1067 | if ((*BaseAddress & AlignmentMask) != 0) {\r | |
1068 | Status = EFI_NOT_FOUND;\r | |
1069 | goto Done;\r | |
1070 | }\r | |
1071 | \r | |
1072 | //\r | |
1073 | // Search for the list of descriptors that cover the range BaseAddress to BaseAddress+Length\r | |
1074 | //\r | |
1075 | Status = CoreSearchGcdMapEntry (*BaseAddress, Length, &StartLink, &EndLink, Map);\r | |
1076 | if (EFI_ERROR (Status)) {\r | |
1077 | Status = EFI_NOT_FOUND;\r | |
1078 | goto Done;\r | |
1079 | }\r | |
d2fbaaab | 1080 | ASSERT (StartLink != NULL && EndLink != NULL);\r |
28a00297 | 1081 | \r |
1082 | //\r | |
1083 | // Verify that the list of descriptors are unallocated memory matching GcdMemoryType.\r | |
1084 | //\r | |
1085 | Link = StartLink;\r | |
1086 | while (Link != EndLink->ForwardLink) {\r | |
1087 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1088 | Link = Link->ForwardLink;\r | |
1089 | Status = CoreAllocateSpaceCheckEntry (Operation, Entry, GcdMemoryType, GcdIoType);\r | |
1090 | if (EFI_ERROR (Status)) {\r | |
1091 | goto Done;\r | |
1092 | }\r | |
1093 | }\r | |
1094 | Found = TRUE;\r | |
1095 | } else {\r | |
1096 | \r | |
1097 | Entry = CR (Map->BackLink, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1098 | \r | |
1099 | //\r | |
1100 | // Compute the maximum address to use in the search algorithm\r | |
1101 | //\r | |
1102 | if (GcdAllocateType == EfiGcdAllocateMaxAddressSearchBottomUp ||\r | |
1103 | GcdAllocateType == EfiGcdAllocateMaxAddressSearchTopDown ) {\r | |
1104 | MaxAddress = *BaseAddress;\r | |
1105 | } else {\r | |
1106 | MaxAddress = Entry->EndAddress;\r | |
1107 | }\r | |
1108 | \r | |
1109 | //\r | |
1110 | // Verify that the list of descriptors are unallocated memory matching GcdMemoryType.\r | |
1111 | //\r | |
1112 | if (GcdAllocateType == EfiGcdAllocateMaxAddressSearchTopDown ||\r | |
1113 | GcdAllocateType == EfiGcdAllocateAnySearchTopDown ) {\r | |
1114 | Link = Map->BackLink;\r | |
1115 | } else {\r | |
1116 | Link = Map->ForwardLink;\r | |
1117 | }\r | |
1118 | while (Link != Map) {\r | |
1119 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1120 | \r | |
1121 | if (GcdAllocateType == EfiGcdAllocateMaxAddressSearchTopDown ||\r | |
1122 | GcdAllocateType == EfiGcdAllocateAnySearchTopDown ) {\r | |
1123 | Link = Link->BackLink;\r | |
1124 | } else {\r | |
1125 | Link = Link->ForwardLink;\r | |
1126 | }\r | |
1127 | \r | |
1128 | Status = CoreAllocateSpaceCheckEntry (Operation, Entry, GcdMemoryType, GcdIoType);\r | |
1129 | if (EFI_ERROR (Status)) {\r | |
1130 | continue;\r | |
1131 | }\r | |
1132 | \r | |
1133 | if (GcdAllocateType == EfiGcdAllocateMaxAddressSearchTopDown ||\r | |
e94a9ff7 | 1134 | GcdAllocateType == EfiGcdAllocateAnySearchTopDown) {\r |
28a00297 | 1135 | if ((Entry->BaseAddress + Length) > MaxAddress) {\r |
1136 | continue;\r | |
1137 | }\r | |
1138 | if (Length > (Entry->EndAddress + 1)) {\r | |
1139 | Status = EFI_NOT_FOUND;\r | |
1140 | goto Done;\r | |
1141 | }\r | |
1142 | if (Entry->EndAddress > MaxAddress) {\r | |
1143 | *BaseAddress = MaxAddress;\r | |
1144 | } else {\r | |
1145 | *BaseAddress = Entry->EndAddress;\r | |
1146 | }\r | |
1147 | *BaseAddress = (*BaseAddress + 1 - Length) & (~AlignmentMask);\r | |
1148 | } else {\r | |
1149 | *BaseAddress = (Entry->BaseAddress + AlignmentMask) & (~AlignmentMask);\r | |
1150 | if ((*BaseAddress + Length - 1) > MaxAddress) {\r | |
1151 | Status = EFI_NOT_FOUND;\r | |
1152 | goto Done;\r | |
1153 | }\r | |
1154 | }\r | |
1155 | \r | |
1156 | //\r | |
1157 | // Search for the list of descriptors that cover the range BaseAddress to BaseAddress+Length\r | |
1158 | //\r | |
1159 | Status = CoreSearchGcdMapEntry (*BaseAddress, Length, &StartLink, &EndLink, Map);\r | |
1160 | if (EFI_ERROR (Status)) {\r | |
1161 | Status = EFI_NOT_FOUND;\r | |
1162 | goto Done;\r | |
1163 | }\r | |
d2fbaaab | 1164 | ASSERT (StartLink != NULL && EndLink != NULL);\r |
28a00297 | 1165 | \r |
1166 | Link = StartLink;\r | |
1167 | //\r | |
1168 | // Verify that the list of descriptors are unallocated memory matching GcdMemoryType.\r | |
1169 | //\r | |
1170 | Found = TRUE;\r | |
1171 | SubLink = StartLink;\r | |
1172 | while (SubLink != EndLink->ForwardLink) {\r | |
1173 | Entry = CR (SubLink, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1174 | Status = CoreAllocateSpaceCheckEntry (Operation, Entry, GcdMemoryType, GcdIoType);\r | |
1175 | if (EFI_ERROR (Status)) {\r | |
1176 | Link = SubLink;\r | |
1177 | Found = FALSE;\r | |
1178 | break;\r | |
1179 | }\r | |
1180 | SubLink = SubLink->ForwardLink;\r | |
1181 | }\r | |
1182 | if (Found) {\r | |
1183 | break;\r | |
1184 | }\r | |
1185 | }\r | |
1186 | }\r | |
1187 | if (!Found) {\r | |
1188 | Status = EFI_NOT_FOUND;\r | |
1189 | goto Done;\r | |
1190 | }\r | |
1191 | \r | |
1192 | //\r | |
1193 | // Allocate work space to perform this operation\r | |
1194 | //\r | |
1195 | Status = CoreAllocateGcdMapEntry (&TopEntry, &BottomEntry);\r | |
1196 | if (EFI_ERROR (Status)) {\r | |
1197 | Status = EFI_OUT_OF_RESOURCES;\r | |
1198 | goto Done;\r | |
1199 | }\r | |
d2fbaaab | 1200 | ASSERT (TopEntry != NULL && BottomEntry != NULL);\r |
28a00297 | 1201 | \r |
1202 | //\r | |
1203 | // Convert/Insert the list of descriptors from StartLink to EndLink\r | |
1204 | //\r | |
1205 | Link = StartLink;\r | |
1206 | while (Link != EndLink->ForwardLink) {\r | |
1207 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1208 | CoreInsertGcdMapEntry (Link, Entry, *BaseAddress, Length, TopEntry, BottomEntry);\r | |
1209 | Entry->ImageHandle = ImageHandle;\r | |
1210 | Entry->DeviceHandle = DeviceHandle;\r | |
1211 | Link = Link->ForwardLink;\r | |
1212 | }\r | |
1213 | \r | |
1214 | //\r | |
1215 | // Cleanup\r | |
1216 | //\r | |
1217 | Status = CoreCleanupGcdMapEntry (TopEntry, BottomEntry, StartLink, EndLink, Map);\r | |
1218 | \r | |
1219 | Done:\r | |
aa927cae | 1220 | DEBUG ((DEBUG_GCD, " Status = %r", Status));\r |
1221 | if (!EFI_ERROR (Status)) {\r | |
1222 | DEBUG ((DEBUG_GCD, " (BaseAddress = %016lx)", *BaseAddress));\r | |
1223 | }\r | |
1224 | DEBUG ((DEBUG_GCD, "\n"));\r | |
f9d1f97c | 1225 | \r |
71f68914 | 1226 | if ((Operation & GCD_MEMORY_SPACE_OPERATION) != 0) {\r |
28a00297 | 1227 | CoreReleaseGcdMemoryLock ();\r |
aa927cae | 1228 | CoreDumpGcdMemorySpaceMap (FALSE);\r |
28a00297 | 1229 | }\r |
71f68914 | 1230 | if ((Operation & GCD_IO_SPACE_OPERATION) !=0) {\r |
28a00297 | 1231 | CoreReleaseGcdIoLock ();\r |
aa927cae | 1232 | CoreDumpGcdIoSpaceMap (FALSE);\r |
28a00297 | 1233 | }\r |
aa927cae | 1234 | \r |
28a00297 | 1235 | return Status;\r |
1236 | }\r | |
1237 | \r | |
28a00297 | 1238 | \r |
162ed594 | 1239 | /**\r |
28a00297 | 1240 | Add a segment of memory to GCD map.\r |
1241 | \r | |
022c6d45 | 1242 | @param GcdMemoryType Memory type of the segment.\r |
1243 | @param BaseAddress Base address of the segment.\r | |
1244 | @param Length Length of the segment.\r | |
1245 | @param Capabilities alterable attributes of the segment.\r | |
28a00297 | 1246 | \r |
022c6d45 | 1247 | @retval EFI_INVALID_PARAMETER Invalid parameters.\r |
162ed594 | 1248 | @retval EFI_SUCCESS Successfully add a segment of memory space.\r |
28a00297 | 1249 | \r |
162ed594 | 1250 | **/\r |
162ed594 | 1251 | EFI_STATUS\r |
1252 | CoreInternalAddMemorySpace (\r | |
1253 | IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
1254 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1255 | IN UINT64 Length,\r | |
1256 | IN UINT64 Capabilities\r | |
1257 | )\r | |
28a00297 | 1258 | {\r |
f9d1f97c | 1259 | DEBUG ((DEBUG_GCD, "GCD:AddMemorySpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1260 | DEBUG ((DEBUG_GCD, " GcdMemoryType = %a\n", mGcdMemoryTypeNames[MIN (GcdMemoryType, EfiGcdMemoryTypeMaximum)]));\r | |
1261 | DEBUG ((DEBUG_GCD, " Capabilities = %016lx\n", Capabilities));\r | |
1262 | \r | |
28a00297 | 1263 | //\r |
1264 | // Make sure parameters are valid\r | |
1265 | //\r | |
1266 | if (GcdMemoryType <= EfiGcdMemoryTypeNonExistent || GcdMemoryType >= EfiGcdMemoryTypeMaximum) {\r | |
1267 | return EFI_INVALID_PARAMETER;\r | |
1268 | }\r | |
1269 | \r | |
1270 | return CoreConvertSpace (GCD_ADD_MEMORY_OPERATION, GcdMemoryType, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, Capabilities, 0);\r | |
1271 | }\r | |
1272 | \r | |
1273 | //\r | |
1274 | // GCD Core Services\r | |
1275 | //\r | |
162ed594 | 1276 | \r |
1277 | /**\r | |
1278 | Allocates nonexistent memory, reserved memory, system memory, or memorymapped\r | |
1279 | I/O resources from the global coherency domain of the processor.\r | |
1280 | \r | |
022c6d45 | 1281 | @param GcdAllocateType The type of allocate operation\r |
1282 | @param GcdMemoryType The desired memory type\r | |
1283 | @param Alignment Align with 2^Alignment\r | |
1284 | @param Length Length to allocate\r | |
1285 | @param BaseAddress Base address to allocate\r | |
1286 | @param ImageHandle The image handle consume the allocated space.\r | |
1287 | @param DeviceHandle The device handle consume the allocated space.\r | |
162ed594 | 1288 | \r |
022c6d45 | 1289 | @retval EFI_INVALID_PARAMETER Invalid parameter.\r |
1290 | @retval EFI_NOT_FOUND No descriptor contains the desired space.\r | |
162ed594 | 1291 | @retval EFI_SUCCESS Memory space successfully allocated.\r |
1292 | \r | |
1293 | **/\r | |
28a00297 | 1294 | EFI_STATUS\r |
3b6ffb6a | 1295 | EFIAPI\r |
28a00297 | 1296 | CoreAllocateMemorySpace (\r |
1297 | IN EFI_GCD_ALLOCATE_TYPE GcdAllocateType,\r | |
1298 | IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
1299 | IN UINTN Alignment,\r | |
1300 | IN UINT64 Length,\r | |
1301 | IN OUT EFI_PHYSICAL_ADDRESS *BaseAddress,\r | |
1302 | IN EFI_HANDLE ImageHandle,\r | |
1303 | IN EFI_HANDLE DeviceHandle OPTIONAL\r | |
1304 | )\r | |
28a00297 | 1305 | {\r |
f9d1f97c | 1306 | DEBUG ((DEBUG_GCD, "GCD:AllocateMemorySpace(Base=%016lx,Length=%016lx)\n", *BaseAddress, Length));\r |
1307 | DEBUG ((DEBUG_GCD, " GcdAllocateType = %a\n", mGcdAllocationTypeNames[MIN (GcdAllocateType, EfiGcdMaxAllocateType)]));\r | |
1308 | DEBUG ((DEBUG_GCD, " GcdMemoryType = %a\n", mGcdMemoryTypeNames[MIN (GcdMemoryType, EfiGcdMemoryTypeMaximum)]));\r | |
1309 | DEBUG ((DEBUG_GCD, " Alignment = %016lx\n", LShiftU64 (1, Alignment)));\r | |
1310 | DEBUG ((DEBUG_GCD, " ImageHandle = %p\n", ImageHandle));\r | |
1311 | DEBUG ((DEBUG_GCD, " DeviceHandle = %p\n", DeviceHandle));\r | |
1312 | \r | |
28a00297 | 1313 | return CoreAllocateSpace (\r |
022c6d45 | 1314 | GCD_ALLOCATE_MEMORY_OPERATION,\r |
1315 | GcdAllocateType,\r | |
1316 | GcdMemoryType,\r | |
1317 | (EFI_GCD_IO_TYPE) 0,\r | |
1318 | Alignment,\r | |
1319 | Length,\r | |
1320 | BaseAddress,\r | |
1321 | ImageHandle,\r | |
28a00297 | 1322 | DeviceHandle\r |
1323 | );\r | |
1324 | }\r | |
1325 | \r | |
162ed594 | 1326 | \r |
1327 | /**\r | |
1328 | Adds reserved memory, system memory, or memory-mapped I/O resources to the\r | |
1329 | global coherency domain of the processor.\r | |
1330 | \r | |
022c6d45 | 1331 | @param GcdMemoryType Memory type of the memory space.\r |
1332 | @param BaseAddress Base address of the memory space.\r | |
1333 | @param Length Length of the memory space.\r | |
1334 | @param Capabilities alterable attributes of the memory space.\r | |
162ed594 | 1335 | \r |
1336 | @retval EFI_SUCCESS Merged this memory space into GCD map.\r | |
1337 | \r | |
1338 | **/\r | |
28a00297 | 1339 | EFI_STATUS\r |
3b6ffb6a | 1340 | EFIAPI\r |
28a00297 | 1341 | CoreAddMemorySpace (\r |
1342 | IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
1343 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1344 | IN UINT64 Length,\r | |
1345 | IN UINT64 Capabilities\r | |
1346 | )\r | |
28a00297 | 1347 | {\r |
1348 | EFI_STATUS Status;\r | |
1349 | EFI_PHYSICAL_ADDRESS PageBaseAddress;\r | |
1350 | UINT64 PageLength;\r | |
1351 | \r | |
1352 | Status = CoreInternalAddMemorySpace (GcdMemoryType, BaseAddress, Length, Capabilities);\r | |
1353 | \r | |
1354 | if (!EFI_ERROR (Status) && GcdMemoryType == EfiGcdMemoryTypeSystemMemory) {\r | |
1355 | \r | |
1356 | PageBaseAddress = PageAlignLength (BaseAddress);\r | |
1357 | PageLength = PageAlignLength (BaseAddress + Length - PageBaseAddress);\r | |
1358 | \r | |
1359 | Status = CoreAllocateMemorySpace (\r | |
1360 | EfiGcdAllocateAddress,\r | |
1361 | GcdMemoryType,\r | |
022c6d45 | 1362 | EFI_PAGE_SHIFT,\r |
28a00297 | 1363 | PageLength,\r |
1364 | &PageBaseAddress,\r | |
1365 | gDxeCoreImageHandle,\r | |
1366 | NULL\r | |
1367 | );\r | |
1368 | \r | |
1369 | if (!EFI_ERROR (Status)) {\r | |
1370 | CoreAddMemoryDescriptor (\r | |
1371 | EfiConventionalMemory,\r | |
1372 | PageBaseAddress,\r | |
1373 | RShiftU64 (PageLength, EFI_PAGE_SHIFT),\r | |
1374 | Capabilities\r | |
1375 | );\r | |
1376 | } else {\r | |
1377 | for (; PageLength != 0; PageLength -= EFI_PAGE_SIZE, PageBaseAddress += EFI_PAGE_SIZE) {\r | |
1378 | Status = CoreAllocateMemorySpace (\r | |
1379 | EfiGcdAllocateAddress,\r | |
1380 | GcdMemoryType,\r | |
022c6d45 | 1381 | EFI_PAGE_SHIFT,\r |
28a00297 | 1382 | EFI_PAGE_SIZE,\r |
1383 | &PageBaseAddress,\r | |
1384 | gDxeCoreImageHandle,\r | |
1385 | NULL\r | |
1386 | );\r | |
1387 | \r | |
1388 | if (!EFI_ERROR (Status)) {\r | |
1389 | CoreAddMemoryDescriptor (\r | |
1390 | EfiConventionalMemory,\r | |
1391 | PageBaseAddress,\r | |
1392 | 1,\r | |
1393 | Capabilities\r | |
1394 | );\r | |
1395 | }\r | |
1396 | }\r | |
1397 | }\r | |
1398 | }\r | |
1399 | return Status;\r | |
1400 | }\r | |
1401 | \r | |
28a00297 | 1402 | \r |
162ed594 | 1403 | /**\r |
28a00297 | 1404 | Frees nonexistent memory, reserved memory, system memory, or memory-mapped\r |
162ed594 | 1405 | I/O resources from the global coherency domain of the processor.\r |
28a00297 | 1406 | \r |
022c6d45 | 1407 | @param BaseAddress Base address of the memory space.\r |
1408 | @param Length Length of the memory space.\r | |
28a00297 | 1409 | \r |
162ed594 | 1410 | @retval EFI_SUCCESS Space successfully freed.\r |
28a00297 | 1411 | \r |
162ed594 | 1412 | **/\r |
28a00297 | 1413 | EFI_STATUS\r |
3b6ffb6a | 1414 | EFIAPI\r |
162ed594 | 1415 | CoreFreeMemorySpace (\r |
28a00297 | 1416 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r |
1417 | IN UINT64 Length\r | |
1418 | )\r | |
162ed594 | 1419 | {\r |
f9d1f97c | 1420 | DEBUG ((DEBUG_GCD, "GCD:FreeMemorySpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1421 | \r | |
162ed594 | 1422 | return CoreConvertSpace (GCD_FREE_MEMORY_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, 0, 0);\r |
1423 | }\r | |
28a00297 | 1424 | \r |
28a00297 | 1425 | \r |
162ed594 | 1426 | /**\r |
28a00297 | 1427 | Removes reserved memory, system memory, or memory-mapped I/O resources from\r |
162ed594 | 1428 | the global coherency domain of the processor.\r |
28a00297 | 1429 | \r |
022c6d45 | 1430 | @param BaseAddress Base address of the memory space.\r |
1431 | @param Length Length of the memory space.\r | |
28a00297 | 1432 | \r |
162ed594 | 1433 | @retval EFI_SUCCESS Successfully remove a segment of memory space.\r |
28a00297 | 1434 | \r |
162ed594 | 1435 | **/\r |
1436 | EFI_STATUS\r | |
3b6ffb6a | 1437 | EFIAPI\r |
162ed594 | 1438 | CoreRemoveMemorySpace (\r |
1439 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1440 | IN UINT64 Length\r | |
1441 | )\r | |
28a00297 | 1442 | {\r |
f9d1f97c | 1443 | DEBUG ((DEBUG_GCD, "GCD:RemoveMemorySpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1444 | \r | |
28a00297 | 1445 | return CoreConvertSpace (GCD_REMOVE_MEMORY_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, 0, 0);\r |
1446 | }\r | |
1447 | \r | |
162ed594 | 1448 | \r |
1449 | /**\r | |
1450 | Build a memory descriptor according to an entry.\r | |
1451 | \r | |
022c6d45 | 1452 | @param Descriptor The descriptor to be built\r |
162ed594 | 1453 | @param Entry According to this entry\r |
1454 | \r | |
1455 | **/\r | |
28a00297 | 1456 | VOID\r |
1457 | BuildMemoryDescriptor (\r | |
1458 | IN OUT EFI_GCD_MEMORY_SPACE_DESCRIPTOR *Descriptor,\r | |
1459 | IN EFI_GCD_MAP_ENTRY *Entry\r | |
1460 | )\r | |
28a00297 | 1461 | {\r |
1462 | Descriptor->BaseAddress = Entry->BaseAddress;\r | |
1463 | Descriptor->Length = Entry->EndAddress - Entry->BaseAddress + 1;\r | |
1464 | Descriptor->Capabilities = Entry->Capabilities;\r | |
1465 | Descriptor->Attributes = Entry->Attributes;\r | |
1466 | Descriptor->GcdMemoryType = Entry->GcdMemoryType;\r | |
1467 | Descriptor->ImageHandle = Entry->ImageHandle;\r | |
1468 | Descriptor->DeviceHandle = Entry->DeviceHandle;\r | |
1469 | }\r | |
1470 | \r | |
28a00297 | 1471 | \r |
162ed594 | 1472 | /**\r |
28a00297 | 1473 | Retrieves the descriptor for a memory region containing a specified address.\r |
1474 | \r | |
022c6d45 | 1475 | @param BaseAddress Specified start address\r |
1476 | @param Descriptor Specified length\r | |
28a00297 | 1477 | \r |
022c6d45 | 1478 | @retval EFI_INVALID_PARAMETER Invalid parameter\r |
162ed594 | 1479 | @retval EFI_SUCCESS Successfully get memory space descriptor.\r |
28a00297 | 1480 | \r |
162ed594 | 1481 | **/\r |
1482 | EFI_STATUS\r | |
3b6ffb6a | 1483 | EFIAPI\r |
162ed594 | 1484 | CoreGetMemorySpaceDescriptor (\r |
1485 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1486 | OUT EFI_GCD_MEMORY_SPACE_DESCRIPTOR *Descriptor\r | |
1487 | )\r | |
28a00297 | 1488 | {\r |
1489 | EFI_STATUS Status;\r | |
1490 | LIST_ENTRY *StartLink;\r | |
1491 | LIST_ENTRY *EndLink;\r | |
1492 | EFI_GCD_MAP_ENTRY *Entry;\r | |
1493 | \r | |
1494 | //\r | |
1495 | // Make sure parameters are valid\r | |
1496 | //\r | |
1497 | if (Descriptor == NULL) {\r | |
1498 | return EFI_INVALID_PARAMETER;\r | |
1499 | }\r | |
1500 | \r | |
1501 | CoreAcquireGcdMemoryLock ();\r | |
1502 | \r | |
1503 | //\r | |
022c6d45 | 1504 | // Search for the list of descriptors that contain BaseAddress\r |
28a00297 | 1505 | //\r |
1506 | Status = CoreSearchGcdMapEntry (BaseAddress, 1, &StartLink, &EndLink, &mGcdMemorySpaceMap);\r | |
1507 | if (EFI_ERROR (Status)) {\r | |
1508 | Status = EFI_NOT_FOUND;\r | |
1509 | } else {\r | |
d2fbaaab | 1510 | ASSERT (StartLink != NULL && EndLink != NULL);\r |
28a00297 | 1511 | //\r |
1512 | // Copy the contents of the found descriptor into Descriptor\r | |
1513 | //\r | |
1514 | Entry = CR (StartLink, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1515 | BuildMemoryDescriptor (Descriptor, Entry);\r | |
1516 | }\r | |
1517 | \r | |
1518 | CoreReleaseGcdMemoryLock ();\r | |
1519 | \r | |
1520 | return Status;\r | |
1521 | }\r | |
1522 | \r | |
162ed594 | 1523 | \r |
1524 | /**\r | |
1525 | Modifies the attributes for a memory region in the global coherency domain of the\r | |
1526 | processor.\r | |
1527 | \r | |
022c6d45 | 1528 | @param BaseAddress Specified start address\r |
1529 | @param Length Specified length\r | |
1530 | @param Attributes Specified attributes\r | |
162ed594 | 1531 | \r |
fc8ff20f | 1532 | @retval EFI_SUCCESS The attributes were set for the memory region.\r |
1533 | @retval EFI_INVALID_PARAMETER Length is zero. \r | |
1534 | @retval EFI_UNSUPPORTED The processor does not support one or more bytes of the memory\r | |
1535 | resource range specified by BaseAddress and Length.\r | |
1536 | @retval EFI_UNSUPPORTED The bit mask of attributes is not support for the memory resource\r | |
1537 | range specified by BaseAddress and Length.\r | |
1538 | @retval EFI_ACCESS_DEFINED The attributes for the memory resource range specified by\r | |
1539 | BaseAddress and Length cannot be modified.\r | |
1540 | @retval EFI_OUT_OF_RESOURCES There are not enough system resources to modify the attributes of\r | |
1541 | the memory resource range.\r | |
1542 | @retval EFI_NOT_AVAILABLE_YET The attributes cannot be set because CPU architectural protocol is\r | |
1543 | not available yet.\r | |
162ed594 | 1544 | \r |
1545 | **/\r | |
28a00297 | 1546 | EFI_STATUS\r |
3b6ffb6a | 1547 | EFIAPI\r |
28a00297 | 1548 | CoreSetMemorySpaceAttributes (\r |
1549 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1550 | IN UINT64 Length,\r | |
1551 | IN UINT64 Attributes\r | |
1552 | )\r | |
162ed594 | 1553 | {\r |
f9d1f97c | 1554 | DEBUG ((DEBUG_GCD, "GCD:SetMemorySpaceAttributes(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1555 | DEBUG ((DEBUG_GCD, " Attributes = %016lx\n", Attributes));\r | |
1556 | \r | |
162ed594 | 1557 | return CoreConvertSpace (GCD_SET_ATTRIBUTES_MEMORY_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, 0, Attributes);\r |
1558 | }\r | |
28a00297 | 1559 | \r |
28a00297 | 1560 | \r |
162ed594 | 1561 | /**\r |
1562 | Returns a map of the memory resources in the global coherency domain of the\r | |
1563 | processor.\r | |
28a00297 | 1564 | \r |
022c6d45 | 1565 | @param NumberOfDescriptors Number of descriptors.\r |
1566 | @param MemorySpaceMap Descriptor array\r | |
28a00297 | 1567 | \r |
022c6d45 | 1568 | @retval EFI_INVALID_PARAMETER Invalid parameter\r |
1569 | @retval EFI_OUT_OF_RESOURCES No enough buffer to allocate\r | |
162ed594 | 1570 | @retval EFI_SUCCESS Successfully get memory space map.\r |
28a00297 | 1571 | \r |
162ed594 | 1572 | **/\r |
28a00297 | 1573 | EFI_STATUS\r |
3b6ffb6a | 1574 | EFIAPI\r |
28a00297 | 1575 | CoreGetMemorySpaceMap (\r |
1576 | OUT UINTN *NumberOfDescriptors,\r | |
1577 | OUT EFI_GCD_MEMORY_SPACE_DESCRIPTOR **MemorySpaceMap\r | |
1578 | )\r | |
28a00297 | 1579 | {\r |
1580 | EFI_STATUS Status;\r | |
1581 | LIST_ENTRY *Link;\r | |
1582 | EFI_GCD_MAP_ENTRY *Entry;\r | |
1583 | EFI_GCD_MEMORY_SPACE_DESCRIPTOR *Descriptor;\r | |
1584 | \r | |
1585 | //\r | |
1586 | // Make sure parameters are valid\r | |
1587 | //\r | |
1588 | if (NumberOfDescriptors == NULL) {\r | |
1589 | return EFI_INVALID_PARAMETER;\r | |
1590 | }\r | |
1591 | if (MemorySpaceMap == NULL) {\r | |
1592 | return EFI_INVALID_PARAMETER;\r | |
1593 | }\r | |
1594 | \r | |
1595 | CoreAcquireGcdMemoryLock ();\r | |
1596 | \r | |
1597 | //\r | |
1598 | // Count the number of descriptors\r | |
1599 | //\r | |
1600 | *NumberOfDescriptors = CoreCountGcdMapEntry (&mGcdMemorySpaceMap);\r | |
1601 | \r | |
1602 | //\r | |
1603 | // Allocate the MemorySpaceMap\r | |
1604 | //\r | |
9c4ac31c | 1605 | *MemorySpaceMap = AllocatePool (*NumberOfDescriptors * sizeof (EFI_GCD_MEMORY_SPACE_DESCRIPTOR));\r |
28a00297 | 1606 | if (*MemorySpaceMap == NULL) {\r |
1607 | Status = EFI_OUT_OF_RESOURCES;\r | |
1608 | goto Done;\r | |
1609 | }\r | |
1610 | \r | |
1611 | //\r | |
1612 | // Fill in the MemorySpaceMap\r | |
1613 | //\r | |
1614 | Descriptor = *MemorySpaceMap;\r | |
1615 | Link = mGcdMemorySpaceMap.ForwardLink;\r | |
1616 | while (Link != &mGcdMemorySpaceMap) {\r | |
1617 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1618 | BuildMemoryDescriptor (Descriptor, Entry);\r | |
1619 | Descriptor++;\r | |
1620 | Link = Link->ForwardLink;\r | |
1621 | }\r | |
1622 | Status = EFI_SUCCESS;\r | |
1623 | \r | |
1624 | Done:\r | |
1625 | CoreReleaseGcdMemoryLock ();\r | |
1626 | return Status;\r | |
1627 | }\r | |
1628 | \r | |
162ed594 | 1629 | \r |
1630 | /**\r | |
1631 | Adds reserved I/O or I/O resources to the global coherency domain of the processor.\r | |
1632 | \r | |
022c6d45 | 1633 | @param GcdIoType IO type of the segment.\r |
1634 | @param BaseAddress Base address of the segment.\r | |
1635 | @param Length Length of the segment.\r | |
162ed594 | 1636 | \r |
022c6d45 | 1637 | @retval EFI_SUCCESS Merged this segment into GCD map.\r |
162ed594 | 1638 | @retval EFI_INVALID_PARAMETER Parameter not valid\r |
1639 | \r | |
1640 | **/\r | |
28a00297 | 1641 | EFI_STATUS\r |
3b6ffb6a | 1642 | EFIAPI\r |
28a00297 | 1643 | CoreAddIoSpace (\r |
1644 | IN EFI_GCD_IO_TYPE GcdIoType,\r | |
1645 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1646 | IN UINT64 Length\r | |
1647 | )\r | |
28a00297 | 1648 | {\r |
f9d1f97c | 1649 | DEBUG ((DEBUG_GCD, "GCD:AddIoSpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1650 | DEBUG ((DEBUG_GCD, " GcdIoType = %a\n", mGcdIoTypeNames[MIN (GcdIoType, EfiGcdIoTypeMaximum)]));\r | |
1651 | \r | |
28a00297 | 1652 | //\r |
1653 | // Make sure parameters are valid\r | |
1654 | //\r | |
1655 | if (GcdIoType <= EfiGcdIoTypeNonExistent || GcdIoType >= EfiGcdIoTypeMaximum) {\r | |
1656 | return EFI_INVALID_PARAMETER;\r | |
1657 | }\r | |
1658 | return CoreConvertSpace (GCD_ADD_IO_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, GcdIoType, BaseAddress, Length, 0, 0);\r | |
1659 | }\r | |
1660 | \r | |
162ed594 | 1661 | \r |
1662 | /**\r | |
1663 | Allocates nonexistent I/O, reserved I/O, or I/O resources from the global coherency\r | |
1664 | domain of the processor.\r | |
1665 | \r | |
022c6d45 | 1666 | @param GcdAllocateType The type of allocate operation\r |
1667 | @param GcdIoType The desired IO type\r | |
1668 | @param Alignment Align with 2^Alignment\r | |
1669 | @param Length Length to allocate\r | |
1670 | @param BaseAddress Base address to allocate\r | |
1671 | @param ImageHandle The image handle consume the allocated space.\r | |
1672 | @param DeviceHandle The device handle consume the allocated space.\r | |
162ed594 | 1673 | \r |
022c6d45 | 1674 | @retval EFI_INVALID_PARAMETER Invalid parameter.\r |
1675 | @retval EFI_NOT_FOUND No descriptor contains the desired space.\r | |
162ed594 | 1676 | @retval EFI_SUCCESS IO space successfully allocated.\r |
1677 | \r | |
1678 | **/\r | |
28a00297 | 1679 | EFI_STATUS\r |
3b6ffb6a | 1680 | EFIAPI\r |
28a00297 | 1681 | CoreAllocateIoSpace (\r |
1682 | IN EFI_GCD_ALLOCATE_TYPE GcdAllocateType,\r | |
1683 | IN EFI_GCD_IO_TYPE GcdIoType,\r | |
1684 | IN UINTN Alignment,\r | |
1685 | IN UINT64 Length,\r | |
1686 | IN OUT EFI_PHYSICAL_ADDRESS *BaseAddress,\r | |
1687 | IN EFI_HANDLE ImageHandle,\r | |
1688 | IN EFI_HANDLE DeviceHandle OPTIONAL\r | |
1689 | )\r | |
28a00297 | 1690 | {\r |
f9d1f97c | 1691 | DEBUG ((DEBUG_GCD, "GCD:AllocateIoSpace(Base=%016lx,Length=%016lx)\n", *BaseAddress, Length));\r |
1692 | DEBUG ((DEBUG_GCD, " GcdAllocateType = %a\n", mGcdAllocationTypeNames[MIN (GcdAllocateType, EfiGcdMaxAllocateType)]));\r | |
5d1cf216 | 1693 | DEBUG ((DEBUG_GCD, " GcdIoType = %a\n", mGcdIoTypeNames[MIN (GcdIoType, EfiGcdIoTypeMaximum)]));\r |
f9d1f97c | 1694 | DEBUG ((DEBUG_GCD, " Alignment = %016lx\n", LShiftU64 (1, Alignment)));\r |
1695 | DEBUG ((DEBUG_GCD, " ImageHandle = %p\n", ImageHandle));\r | |
1696 | DEBUG ((DEBUG_GCD, " DeviceHandle = %p\n", DeviceHandle));\r | |
1697 | \r | |
28a00297 | 1698 | return CoreAllocateSpace (\r |
022c6d45 | 1699 | GCD_ALLOCATE_IO_OPERATION,\r |
1700 | GcdAllocateType,\r | |
1701 | (EFI_GCD_MEMORY_TYPE) 0,\r | |
1702 | GcdIoType,\r | |
1703 | Alignment,\r | |
1704 | Length,\r | |
1705 | BaseAddress,\r | |
1706 | ImageHandle,\r | |
28a00297 | 1707 | DeviceHandle\r |
1708 | );\r | |
1709 | }\r | |
1710 | \r | |
28a00297 | 1711 | \r |
162ed594 | 1712 | /**\r |
28a00297 | 1713 | Frees nonexistent I/O, reserved I/O, or I/O resources from the global coherency\r |
162ed594 | 1714 | domain of the processor.\r |
28a00297 | 1715 | \r |
022c6d45 | 1716 | @param BaseAddress Base address of the segment.\r |
1717 | @param Length Length of the segment.\r | |
28a00297 | 1718 | \r |
162ed594 | 1719 | @retval EFI_SUCCESS Space successfully freed.\r |
28a00297 | 1720 | \r |
162ed594 | 1721 | **/\r |
28a00297 | 1722 | EFI_STATUS\r |
3b6ffb6a | 1723 | EFIAPI\r |
162ed594 | 1724 | CoreFreeIoSpace (\r |
28a00297 | 1725 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r |
1726 | IN UINT64 Length\r | |
1727 | )\r | |
162ed594 | 1728 | {\r |
f9d1f97c | 1729 | DEBUG ((DEBUG_GCD, "GCD:FreeIoSpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1730 | \r | |
162ed594 | 1731 | return CoreConvertSpace (GCD_FREE_IO_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, 0, 0);\r |
1732 | }\r | |
28a00297 | 1733 | \r |
28a00297 | 1734 | \r |
162ed594 | 1735 | /**\r |
28a00297 | 1736 | Removes reserved I/O or I/O resources from the global coherency domain of the\r |
162ed594 | 1737 | processor.\r |
28a00297 | 1738 | \r |
022c6d45 | 1739 | @param BaseAddress Base address of the segment.\r |
1740 | @param Length Length of the segment.\r | |
28a00297 | 1741 | \r |
162ed594 | 1742 | @retval EFI_SUCCESS Successfully removed a segment of IO space.\r |
28a00297 | 1743 | \r |
162ed594 | 1744 | **/\r |
1745 | EFI_STATUS\r | |
3b6ffb6a | 1746 | EFIAPI\r |
162ed594 | 1747 | CoreRemoveIoSpace (\r |
1748 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1749 | IN UINT64 Length\r | |
1750 | )\r | |
28a00297 | 1751 | {\r |
f9d1f97c | 1752 | DEBUG ((DEBUG_GCD, "GCD:RemoveIoSpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1753 | \r | |
28a00297 | 1754 | return CoreConvertSpace (GCD_REMOVE_IO_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, 0, 0);\r |
1755 | }\r | |
1756 | \r | |
162ed594 | 1757 | \r |
1758 | /**\r | |
1759 | Build a IO descriptor according to an entry.\r | |
1760 | \r | |
022c6d45 | 1761 | @param Descriptor The descriptor to be built\r |
162ed594 | 1762 | @param Entry According to this entry\r |
1763 | \r | |
1764 | **/\r | |
28a00297 | 1765 | VOID\r |
1766 | BuildIoDescriptor (\r | |
1767 | IN EFI_GCD_IO_SPACE_DESCRIPTOR *Descriptor,\r | |
1768 | IN EFI_GCD_MAP_ENTRY *Entry\r | |
1769 | )\r | |
28a00297 | 1770 | {\r |
1771 | Descriptor->BaseAddress = Entry->BaseAddress;\r | |
1772 | Descriptor->Length = Entry->EndAddress - Entry->BaseAddress + 1;\r | |
1773 | Descriptor->GcdIoType = Entry->GcdIoType;\r | |
1774 | Descriptor->ImageHandle = Entry->ImageHandle;\r | |
1775 | Descriptor->DeviceHandle = Entry->DeviceHandle;\r | |
1776 | }\r | |
1777 | \r | |
28a00297 | 1778 | \r |
162ed594 | 1779 | /**\r |
28a00297 | 1780 | Retrieves the descriptor for an I/O region containing a specified address.\r |
1781 | \r | |
022c6d45 | 1782 | @param BaseAddress Specified start address\r |
1783 | @param Descriptor Specified length\r | |
28a00297 | 1784 | \r |
022c6d45 | 1785 | @retval EFI_INVALID_PARAMETER Descriptor is NULL.\r |
162ed594 | 1786 | @retval EFI_SUCCESS Successfully get the IO space descriptor.\r |
28a00297 | 1787 | \r |
162ed594 | 1788 | **/\r |
1789 | EFI_STATUS\r | |
3b6ffb6a | 1790 | EFIAPI\r |
162ed594 | 1791 | CoreGetIoSpaceDescriptor (\r |
1792 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1793 | OUT EFI_GCD_IO_SPACE_DESCRIPTOR *Descriptor\r | |
1794 | )\r | |
28a00297 | 1795 | {\r |
1796 | EFI_STATUS Status;\r | |
1797 | LIST_ENTRY *StartLink;\r | |
1798 | LIST_ENTRY *EndLink;\r | |
1799 | EFI_GCD_MAP_ENTRY *Entry;\r | |
1800 | \r | |
1801 | //\r | |
1802 | // Make sure parameters are valid\r | |
1803 | //\r | |
1804 | if (Descriptor == NULL) {\r | |
1805 | return EFI_INVALID_PARAMETER;\r | |
1806 | }\r | |
1807 | \r | |
1808 | CoreAcquireGcdIoLock ();\r | |
1809 | \r | |
1810 | //\r | |
022c6d45 | 1811 | // Search for the list of descriptors that contain BaseAddress\r |
28a00297 | 1812 | //\r |
1813 | Status = CoreSearchGcdMapEntry (BaseAddress, 1, &StartLink, &EndLink, &mGcdIoSpaceMap);\r | |
1814 | if (EFI_ERROR (Status)) {\r | |
1815 | Status = EFI_NOT_FOUND;\r | |
1816 | } else {\r | |
d2fbaaab | 1817 | ASSERT (StartLink != NULL && EndLink != NULL);\r |
28a00297 | 1818 | //\r |
1819 | // Copy the contents of the found descriptor into Descriptor\r | |
1820 | //\r | |
1821 | Entry = CR (StartLink, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1822 | BuildIoDescriptor (Descriptor, Entry);\r | |
1823 | }\r | |
1824 | \r | |
1825 | CoreReleaseGcdIoLock ();\r | |
1826 | \r | |
1827 | return Status;\r | |
1828 | }\r | |
1829 | \r | |
28a00297 | 1830 | \r |
162ed594 | 1831 | /**\r |
28a00297 | 1832 | Returns a map of the I/O resources in the global coherency domain of the processor.\r |
1833 | \r | |
022c6d45 | 1834 | @param NumberOfDescriptors Number of descriptors.\r |
1835 | @param IoSpaceMap Descriptor array\r | |
28a00297 | 1836 | \r |
022c6d45 | 1837 | @retval EFI_INVALID_PARAMETER Invalid parameter\r |
1838 | @retval EFI_OUT_OF_RESOURCES No enough buffer to allocate\r | |
162ed594 | 1839 | @retval EFI_SUCCESS Successfully get IO space map.\r |
28a00297 | 1840 | \r |
162ed594 | 1841 | **/\r |
1842 | EFI_STATUS\r | |
3b6ffb6a | 1843 | EFIAPI\r |
162ed594 | 1844 | CoreGetIoSpaceMap (\r |
1845 | OUT UINTN *NumberOfDescriptors,\r | |
1846 | OUT EFI_GCD_IO_SPACE_DESCRIPTOR **IoSpaceMap\r | |
1847 | )\r | |
28a00297 | 1848 | {\r |
1849 | EFI_STATUS Status;\r | |
1850 | LIST_ENTRY *Link;\r | |
1851 | EFI_GCD_MAP_ENTRY *Entry;\r | |
1852 | EFI_GCD_IO_SPACE_DESCRIPTOR *Descriptor;\r | |
1853 | \r | |
1854 | //\r | |
1855 | // Make sure parameters are valid\r | |
1856 | //\r | |
1857 | if (NumberOfDescriptors == NULL) {\r | |
1858 | return EFI_INVALID_PARAMETER;\r | |
1859 | }\r | |
1860 | if (IoSpaceMap == NULL) {\r | |
1861 | return EFI_INVALID_PARAMETER;\r | |
1862 | }\r | |
1863 | \r | |
1864 | CoreAcquireGcdIoLock ();\r | |
1865 | \r | |
1866 | //\r | |
1867 | // Count the number of descriptors\r | |
1868 | //\r | |
1869 | *NumberOfDescriptors = CoreCountGcdMapEntry (&mGcdIoSpaceMap);\r | |
1870 | \r | |
1871 | //\r | |
1872 | // Allocate the IoSpaceMap\r | |
1873 | //\r | |
9c4ac31c | 1874 | *IoSpaceMap = AllocatePool (*NumberOfDescriptors * sizeof (EFI_GCD_IO_SPACE_DESCRIPTOR));\r |
28a00297 | 1875 | if (*IoSpaceMap == NULL) {\r |
1876 | Status = EFI_OUT_OF_RESOURCES;\r | |
1877 | goto Done;\r | |
1878 | }\r | |
1879 | \r | |
1880 | //\r | |
1881 | // Fill in the IoSpaceMap\r | |
1882 | //\r | |
1883 | Descriptor = *IoSpaceMap;\r | |
1884 | Link = mGcdIoSpaceMap.ForwardLink;\r | |
1885 | while (Link != &mGcdIoSpaceMap) {\r | |
1886 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1887 | BuildIoDescriptor (Descriptor, Entry);\r | |
1888 | Descriptor++;\r | |
1889 | Link = Link->ForwardLink;\r | |
1890 | }\r | |
1891 | Status = EFI_SUCCESS;\r | |
1892 | \r | |
1893 | Done:\r | |
1894 | CoreReleaseGcdIoLock ();\r | |
1895 | return Status;\r | |
022c6d45 | 1896 | }\r |
28a00297 | 1897 | \r |
aa927cae | 1898 | \r |
162ed594 | 1899 | /**\r |
1900 | Converts a Resource Descriptor HOB attributes mask to an EFI Memory Descriptor\r | |
1901 | capabilities mask\r | |
1902 | \r | |
022c6d45 | 1903 | @param GcdMemoryType Type of resource in the GCD memory map.\r |
1904 | @param Attributes The attribute mask in the Resource Descriptor\r | |
1905 | HOB.\r | |
162ed594 | 1906 | \r |
1907 | @return The capabilities mask for an EFI Memory Descriptor.\r | |
1908 | \r | |
1909 | **/\r | |
28a00297 | 1910 | UINT64\r |
1911 | CoreConvertResourceDescriptorHobAttributesToCapabilities (\r | |
1912 | EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
1913 | UINT64 Attributes\r | |
1914 | )\r | |
28a00297 | 1915 | {\r |
1916 | UINT64 Capabilities;\r | |
1917 | GCD_ATTRIBUTE_CONVERSION_ENTRY *Conversion;\r | |
022c6d45 | 1918 | \r |
28a00297 | 1919 | //\r |
1920 | // Convert the Resource HOB Attributes to an EFI Memory Capabilities mask\r | |
1921 | //\r | |
1922 | for (Capabilities = 0, Conversion = mAttributeConversionTable; Conversion->Attribute != 0; Conversion++) {\r | |
1923 | if (Conversion->Memory || (GcdMemoryType != EfiGcdMemoryTypeSystemMemory)) {\r | |
1924 | if (Attributes & Conversion->Attribute) {\r | |
1925 | Capabilities |= Conversion->Capability;\r | |
1926 | }\r | |
1927 | }\r | |
1928 | }\r | |
022c6d45 | 1929 | \r |
28a00297 | 1930 | return Capabilities;\r |
1931 | }\r | |
1932 | \r | |
28a00297 | 1933 | \r |
162ed594 | 1934 | /**\r |
c18f12d3 | 1935 | External function. Initializes memory services based on the memory\r |
1936 | descriptor HOBs. This function is responsible for priming the memory\r | |
1937 | map, so memory allocations and resource allocations can be made.\r | |
1938 | The first part of this function can not depend on any memory services\r | |
1939 | until at least one memory descriptor is provided to the memory services.\r | |
28a00297 | 1940 | \r |
022c6d45 | 1941 | @param HobStart The start address of the HOB.\r |
1942 | @param MemoryBaseAddress Start address of memory region found to init DXE\r | |
1943 | core.\r | |
1944 | @param MemoryLength Length of memory region found to init DXE core.\r | |
28a00297 | 1945 | \r |
162ed594 | 1946 | @retval EFI_SUCCESS Memory services successfully initialized.\r |
28a00297 | 1947 | \r |
162ed594 | 1948 | **/\r |
1949 | EFI_STATUS\r | |
1950 | CoreInitializeMemoryServices (\r | |
1951 | IN VOID **HobStart,\r | |
1952 | OUT EFI_PHYSICAL_ADDRESS *MemoryBaseAddress,\r | |
1953 | OUT UINT64 *MemoryLength\r | |
1954 | )\r | |
28a00297 | 1955 | {\r |
1956 | EFI_PEI_HOB_POINTERS Hob;\r | |
1957 | EFI_MEMORY_TYPE_INFORMATION *EfiMemoryTypeInformation;\r | |
1958 | UINTN DataSize;\r | |
1959 | BOOLEAN Found;\r | |
1960 | EFI_HOB_HANDOFF_INFO_TABLE *PhitHob;\r | |
1961 | EFI_HOB_RESOURCE_DESCRIPTOR *ResourceHob;\r | |
1962 | EFI_HOB_RESOURCE_DESCRIPTOR *PhitResourceHob;\r | |
1963 | EFI_PHYSICAL_ADDRESS BaseAddress;\r | |
1964 | UINT64 Length;\r | |
1965 | UINT64 Attributes;\r | |
1966 | UINT64 Capabilities;\r | |
1967 | EFI_PHYSICAL_ADDRESS MaxMemoryBaseAddress;\r | |
1968 | UINT64 MaxMemoryLength;\r | |
1969 | UINT64 MaxMemoryAttributes;\r | |
c4c085a2 | 1970 | EFI_PHYSICAL_ADDRESS TestedMemoryBaseAddress;\r |
1971 | UINT64 TestedMemoryLength;\r | |
28a00297 | 1972 | EFI_PHYSICAL_ADDRESS HighAddress;\r |
28a00297 | 1973 | EFI_HOB_GUID_TYPE *GuidHob;\r |
54ea99a7 | 1974 | UINT32 ReservedCodePageNumber;\r |
28a00297 | 1975 | \r |
1976 | //\r | |
1977 | // Point at the first HOB. This must be the PHIT HOB.\r | |
1978 | //\r | |
1979 | Hob.Raw = *HobStart;\r | |
1980 | ASSERT (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_HANDOFF);\r | |
1981 | \r | |
1982 | //\r | |
1983 | // Initialize the spin locks and maps in the memory services.\r | |
1984 | // Also fill in the memory services into the EFI Boot Services Table\r | |
1985 | //\r | |
1986 | CoreInitializePool ();\r | |
1987 | \r | |
1988 | //\r | |
1989 | // Initialize Local Variables\r | |
1990 | //\r | |
1991 | PhitResourceHob = NULL;\r | |
28a00297 | 1992 | ResourceHob = NULL;\r |
1993 | BaseAddress = 0;\r | |
1994 | Length = 0;\r | |
1995 | Attributes = 0;\r | |
1996 | MaxMemoryBaseAddress = 0;\r | |
1997 | MaxMemoryLength = 0;\r | |
1998 | MaxMemoryAttributes = 0;\r | |
1999 | \r | |
2000 | //\r | |
2001 | // Cache the PHIT HOB for later use\r | |
2002 | //\r | |
2003 | PhitHob = Hob.HandoffInformationTable;\r | |
54ea99a7 | 2004 | \r |
852081fc | 2005 | if (PcdGet64(PcdLoadModuleAtFixAddressEnable) != 0) {\r |
54ea99a7 | 2006 | ReservedCodePageNumber = PcdGet32(PcdLoadFixAddressRuntimeCodePageNumber);\r |
2007 | ReservedCodePageNumber += PcdGet32(PcdLoadFixAddressBootTimeCodePageNumber);\r | |
2008 | \r | |
2009 | //\r | |
2010 | // cache the Top address for loading modules at Fixed Address \r | |
2011 | //\r | |
2012 | gLoadModuleAtFixAddressConfigurationTable.DxeCodeTopAddress = PhitHob->EfiMemoryTop \r | |
2013 | + EFI_PAGES_TO_SIZE(ReservedCodePageNumber);\r | |
2014 | }\r | |
28a00297 | 2015 | //\r |
2016 | // See if a Memory Type Information HOB is available\r | |
2017 | //\r | |
2018 | GuidHob = GetFirstGuidHob (&gEfiMemoryTypeInformationGuid);\r | |
2019 | if (GuidHob != NULL) {\r | |
2020 | EfiMemoryTypeInformation = GET_GUID_HOB_DATA (GuidHob);\r | |
2021 | DataSize = GET_GUID_HOB_DATA_SIZE (GuidHob);\r | |
2022 | if (EfiMemoryTypeInformation != NULL && DataSize > 0 && DataSize <= (EfiMaxMemoryType + 1) * sizeof (EFI_MEMORY_TYPE_INFORMATION)) {\r | |
2023 | CopyMem (&gMemoryTypeInformation, EfiMemoryTypeInformation, DataSize);\r | |
2024 | }\r | |
2025 | }\r | |
2026 | \r | |
2027 | //\r | |
c4c085a2 | 2028 | // Find the Resource Descriptor HOB that contains PHIT range EfiFreeMemoryBottom..EfiFreeMemoryTop\r |
28a00297 | 2029 | //\r |
2030 | Length = 0;\r | |
2031 | Found = FALSE;\r | |
2032 | for (Hob.Raw = *HobStart; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {\r | |
c4c085a2 | 2033 | //\r |
2034 | // Skip all HOBs except Resource Descriptor HOBs\r | |
2035 | //\r | |
2036 | if (GET_HOB_TYPE (Hob) != EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {\r | |
2037 | continue;\r | |
2038 | }\r | |
28a00297 | 2039 | \r |
c4c085a2 | 2040 | //\r |
2041 | // Skip Resource Descriptor HOBs that do not describe tested system memory\r | |
2042 | //\r | |
2043 | ResourceHob = Hob.ResourceDescriptor;\r | |
2044 | if (ResourceHob->ResourceType != EFI_RESOURCE_SYSTEM_MEMORY) {\r | |
2045 | continue;\r | |
2046 | }\r | |
2047 | if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) != TESTED_MEMORY_ATTRIBUTES) {\r | |
2048 | continue;\r | |
2049 | }\r | |
2050 | \r | |
2051 | //\r | |
2052 | // Skip Resource Descriptor HOBs that do not contain the PHIT range EfiFreeMemoryBottom..EfiFreeMemoryTop\r | |
2053 | //\r | |
2054 | if (PhitHob->EfiFreeMemoryBottom < ResourceHob->PhysicalStart) {\r | |
2055 | continue;\r | |
2056 | }\r | |
2057 | if (PhitHob->EfiFreeMemoryTop > (ResourceHob->PhysicalStart + ResourceHob->ResourceLength)) {\r | |
2058 | continue;\r | |
2059 | }\r | |
2060 | \r | |
2061 | //\r | |
2062 | // Cache the resource descriptor HOB for the memory region described by the PHIT HOB\r | |
2063 | //\r | |
2064 | PhitResourceHob = ResourceHob;\r | |
2065 | Found = TRUE;\r | |
2066 | \r | |
2067 | //\r | |
2068 | // Compute range between PHIT EfiFreeMemoryTop and the end of the Resource Descriptor HOB\r | |
2069 | //\r | |
2070 | Attributes = PhitResourceHob->ResourceAttribute;\r | |
2071 | BaseAddress = PageAlignAddress (PhitHob->EfiMemoryTop);\r | |
2072 | Length = PageAlignLength (ResourceHob->PhysicalStart + ResourceHob->ResourceLength - BaseAddress);\r | |
2073 | if (Length < MINIMUM_INITIAL_MEMORY_SIZE) {\r | |
2074 | //\r | |
2075 | // If that range is not large enough to intialize the DXE Core, then \r | |
2076 | // Compute range between PHIT EfiFreeMemoryBottom and PHIT EfiFreeMemoryTop\r | |
2077 | //\r | |
2078 | BaseAddress = PageAlignAddress (PhitHob->EfiFreeMemoryBottom);\r | |
2079 | Length = PageAlignLength (PhitHob->EfiFreeMemoryTop - BaseAddress);\r | |
2080 | if (Length < MINIMUM_INITIAL_MEMORY_SIZE) {\r | |
2081 | //\r | |
2082 | // If that range is not large enough to intialize the DXE Core, then \r | |
2083 | // Compute range between the start of the Resource Descriptor HOB and the start of the HOB List\r | |
2084 | //\r | |
2085 | BaseAddress = PageAlignAddress (ResourceHob->PhysicalStart);\r | |
2086 | Length = PageAlignLength ((UINT64)((UINTN)*HobStart - BaseAddress));\r | |
28a00297 | 2087 | }\r |
2088 | }\r | |
c4c085a2 | 2089 | break;\r |
28a00297 | 2090 | }\r |
2091 | \r | |
2092 | //\r | |
2093 | // Assert if a resource descriptor HOB for the memory region described by the PHIT was not found\r | |
2094 | //\r | |
2095 | ASSERT (Found);\r | |
2096 | \r | |
2097 | //\r | |
2098 | // Search all the resource descriptor HOBs from the highest possible addresses down for a memory\r | |
2099 | // region that is big enough to initialize the DXE core. Always skip the PHIT Resource HOB.\r | |
2100 | // The max address must be within the physically addressible range for the processor.\r | |
2101 | //\r | |
c4c085a2 | 2102 | HighAddress = MAX_ADDRESS;\r |
2103 | for (Hob.Raw = *HobStart; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {\r | |
28a00297 | 2104 | //\r |
c4c085a2 | 2105 | // Skip the Resource Descriptor HOB that contains the PHIT\r |
28a00297 | 2106 | //\r |
c4c085a2 | 2107 | if (Hob.ResourceDescriptor == PhitResourceHob) {\r |
2108 | continue;\r | |
2109 | }\r | |
2110 | //\r | |
2111 | // Skip all HOBs except Resource Descriptor HOBs\r | |
2112 | //\r | |
2113 | if (GET_HOB_TYPE (Hob) != EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {\r | |
2114 | continue;\r | |
2115 | }\r | |
28a00297 | 2116 | \r |
c4c085a2 | 2117 | //\r |
2118 | // Skip Resource Descriptor HOBs that do not describe tested system memory below MAX_ADDRESS\r | |
2119 | //\r | |
2120 | ResourceHob = Hob.ResourceDescriptor;\r | |
2121 | if (ResourceHob->ResourceType != EFI_RESOURCE_SYSTEM_MEMORY) {\r | |
2122 | continue;\r | |
28a00297 | 2123 | }\r |
c4c085a2 | 2124 | if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) != TESTED_MEMORY_ATTRIBUTES) {\r |
2125 | continue;\r | |
2126 | }\r | |
2127 | if ((ResourceHob->PhysicalStart + ResourceHob->ResourceLength) > (EFI_PHYSICAL_ADDRESS)MAX_ADDRESS) {\r | |
2128 | continue;\r | |
28a00297 | 2129 | }\r |
c4c085a2 | 2130 | \r |
2131 | //\r | |
2132 | // Skip Resource Descriptor HOBs that are below a previously found Resource Descriptor HOB\r | |
2133 | //\r | |
2134 | if (HighAddress != (EFI_PHYSICAL_ADDRESS)MAX_ADDRESS && ResourceHob->PhysicalStart <= HighAddress) {\r | |
2135 | continue;\r | |
2136 | }\r | |
2137 | \r | |
2138 | //\r | |
2139 | // Skip Resource Descriptor HOBs that are not large enough to initilize the DXE Core\r | |
2140 | //\r | |
2141 | TestedMemoryBaseAddress = PageAlignAddress (ResourceHob->PhysicalStart);\r | |
2142 | TestedMemoryLength = PageAlignLength (ResourceHob->PhysicalStart + ResourceHob->ResourceLength - TestedMemoryBaseAddress);\r | |
2143 | if (TestedMemoryLength < MINIMUM_INITIAL_MEMORY_SIZE) {\r | |
2144 | continue;\r | |
2145 | }\r | |
2146 | \r | |
2147 | //\r | |
2148 | // Save the Resource Descriptor HOB context that is large enough to initilize the DXE Core\r | |
2149 | //\r | |
2150 | MaxMemoryBaseAddress = TestedMemoryBaseAddress;\r | |
2151 | MaxMemoryLength = TestedMemoryLength;\r | |
2152 | MaxMemoryAttributes = ResourceHob->ResourceAttribute; \r | |
2153 | HighAddress = ResourceHob->PhysicalStart;\r | |
2154 | }\r | |
28a00297 | 2155 | \r |
c4c085a2 | 2156 | //\r |
2157 | // If Length is not large enough to initialize the DXE Core or a Resource \r | |
2158 | // Descriptor HOB was found above the PHIT HOB that is large enough to initialize \r | |
2159 | // the DXE Core, then use the range described by the Resource Descriptor \r | |
2160 | // HOB that was found above the PHIT HOB.\r | |
2161 | //\r | |
e94a9ff7 | 2162 | if ((Length < MINIMUM_INITIAL_MEMORY_SIZE) ||\r |
2163 | (MaxMemoryBaseAddress > BaseAddress && MaxMemoryLength >= MINIMUM_INITIAL_MEMORY_SIZE)) {\r | |
28a00297 | 2164 | BaseAddress = MaxMemoryBaseAddress;\r |
2165 | Length = MaxMemoryLength;\r | |
2166 | Attributes = MaxMemoryAttributes;\r | |
2167 | }\r | |
2168 | \r | |
2169 | //\r | |
2170 | // If no memory regions are found that are big enough to initialize the DXE core, then ASSERT().\r | |
2171 | //\r | |
2172 | ASSERT (Length >= MINIMUM_INITIAL_MEMORY_SIZE);\r | |
2173 | \r | |
2174 | //\r | |
2175 | // Convert the Resource HOB Attributes to an EFI Memory Capabilities mask\r | |
2176 | //\r | |
2177 | Capabilities = CoreConvertResourceDescriptorHobAttributesToCapabilities (EfiGcdMemoryTypeSystemMemory, Attributes);\r | |
2178 | \r | |
2179 | //\r | |
2180 | // Declare the very first memory region, so the EFI Memory Services are available.\r | |
2181 | //\r | |
2182 | CoreAddMemoryDescriptor (\r | |
2183 | EfiConventionalMemory,\r | |
2184 | BaseAddress,\r | |
2185 | RShiftU64 (Length, EFI_PAGE_SHIFT),\r | |
2186 | Capabilities\r | |
2187 | );\r | |
2188 | \r | |
2189 | *MemoryBaseAddress = BaseAddress;\r | |
2190 | *MemoryLength = Length;\r | |
2191 | \r | |
2192 | return EFI_SUCCESS;\r | |
2193 | }\r | |
2194 | \r | |
28a00297 | 2195 | \r |
162ed594 | 2196 | /**\r |
2197 | External function. Initializes the GCD and memory services based on the memory\r | |
28a00297 | 2198 | descriptor HOBs. This function is responsible for priming the GCD map and the\r |
c18f12d3 | 2199 | memory map, so memory allocations and resource allocations can be made. The\r |
2200 | HobStart will be relocated to a pool buffer.\r | |
28a00297 | 2201 | \r |
022c6d45 | 2202 | @param HobStart The start address of the HOB\r |
2203 | @param MemoryBaseAddress Start address of memory region found to init DXE\r | |
2204 | core.\r | |
2205 | @param MemoryLength Length of memory region found to init DXE core.\r | |
28a00297 | 2206 | \r |
162ed594 | 2207 | @retval EFI_SUCCESS GCD services successfully initialized.\r |
28a00297 | 2208 | \r |
162ed594 | 2209 | **/\r |
2210 | EFI_STATUS\r | |
2211 | CoreInitializeGcdServices (\r | |
e94a9ff7 | 2212 | IN OUT VOID **HobStart,\r |
162ed594 | 2213 | IN EFI_PHYSICAL_ADDRESS MemoryBaseAddress,\r |
2214 | IN UINT64 MemoryLength\r | |
2215 | )\r | |
28a00297 | 2216 | {\r |
e94a9ff7 | 2217 | EFI_PEI_HOB_POINTERS Hob;\r |
28a00297 | 2218 | VOID *NewHobList;\r |
e94a9ff7 | 2219 | EFI_HOB_HANDOFF_INFO_TABLE *PhitHob;\r |
28a00297 | 2220 | UINT8 SizeOfMemorySpace;\r |
2221 | UINT8 SizeOfIoSpace;\r | |
2222 | EFI_HOB_RESOURCE_DESCRIPTOR *ResourceHob;\r | |
2223 | EFI_PHYSICAL_ADDRESS BaseAddress;\r | |
2224 | UINT64 Length;\r | |
2225 | EFI_STATUS Status;\r | |
2226 | EFI_GCD_MAP_ENTRY *Entry;\r | |
2227 | EFI_GCD_MEMORY_TYPE GcdMemoryType;\r | |
2228 | EFI_GCD_IO_TYPE GcdIoType;\r | |
2229 | EFI_GCD_MEMORY_SPACE_DESCRIPTOR Descriptor;\r | |
2230 | EFI_HOB_MEMORY_ALLOCATION *MemoryHob;\r | |
2231 | EFI_HOB_FIRMWARE_VOLUME *FirmwareVolumeHob;\r | |
2232 | UINTN NumberOfDescriptors;\r | |
2233 | EFI_GCD_MEMORY_SPACE_DESCRIPTOR *MemorySpaceMap;\r | |
2234 | UINTN Index;\r | |
2235 | UINT64 Capabilities;\r | |
2236 | EFI_HOB_CPU * CpuHob;\r | |
e94a9ff7 | 2237 | \r |
28a00297 | 2238 | //\r |
2239 | // Cache the PHIT HOB for later use\r | |
2240 | //\r | |
2241 | PhitHob = (EFI_HOB_HANDOFF_INFO_TABLE *)(*HobStart);\r | |
2242 | \r | |
2243 | //\r | |
2244 | // Get the number of address lines in the I/O and Memory space for the CPU\r | |
2245 | //\r | |
2246 | CpuHob = GetFirstHob (EFI_HOB_TYPE_CPU);\r | |
2247 | ASSERT (CpuHob != NULL);\r | |
2248 | SizeOfMemorySpace = CpuHob->SizeOfMemorySpace;\r | |
2249 | SizeOfIoSpace = CpuHob->SizeOfIoSpace;\r | |
022c6d45 | 2250 | \r |
28a00297 | 2251 | //\r |
2252 | // Initialize the GCD Memory Space Map\r | |
2253 | //\r | |
9c4ac31c | 2254 | Entry = AllocateCopyPool (sizeof (EFI_GCD_MAP_ENTRY), &mGcdMemorySpaceMapEntryTemplate);\r |
28a00297 | 2255 | ASSERT (Entry != NULL);\r |
2256 | \r | |
2257 | Entry->EndAddress = LShiftU64 (1, SizeOfMemorySpace) - 1;\r | |
2258 | \r | |
2259 | InsertHeadList (&mGcdMemorySpaceMap, &Entry->Link);\r | |
2260 | \r | |
aa927cae | 2261 | CoreDumpGcdMemorySpaceMap (TRUE);\r |
f9d1f97c | 2262 | \r |
28a00297 | 2263 | //\r |
2264 | // Initialize the GCD I/O Space Map\r | |
2265 | //\r | |
9c4ac31c | 2266 | Entry = AllocateCopyPool (sizeof (EFI_GCD_MAP_ENTRY), &mGcdIoSpaceMapEntryTemplate);\r |
28a00297 | 2267 | ASSERT (Entry != NULL);\r |
2268 | \r | |
2269 | Entry->EndAddress = LShiftU64 (1, SizeOfIoSpace) - 1;\r | |
2270 | \r | |
2271 | InsertHeadList (&mGcdIoSpaceMap, &Entry->Link);\r | |
2272 | \r | |
aa927cae | 2273 | CoreDumpGcdIoSpaceMap (TRUE);\r |
f9d1f97c | 2274 | \r |
28a00297 | 2275 | //\r |
022c6d45 | 2276 | // Walk the HOB list and add all resource descriptors to the GCD\r |
28a00297 | 2277 | //\r |
2278 | for (Hob.Raw = *HobStart; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {\r | |
2279 | \r | |
2280 | GcdMemoryType = EfiGcdMemoryTypeNonExistent;\r | |
2281 | GcdIoType = EfiGcdIoTypeNonExistent;\r | |
2282 | \r | |
2283 | if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {\r | |
2284 | \r | |
2285 | ResourceHob = Hob.ResourceDescriptor;\r | |
2286 | \r | |
2287 | switch (ResourceHob->ResourceType) {\r | |
2288 | case EFI_RESOURCE_SYSTEM_MEMORY:\r | |
2289 | if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) == TESTED_MEMORY_ATTRIBUTES) {\r | |
2290 | GcdMemoryType = EfiGcdMemoryTypeSystemMemory;\r | |
2291 | }\r | |
2292 | if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) == INITIALIZED_MEMORY_ATTRIBUTES) {\r | |
2293 | GcdMemoryType = EfiGcdMemoryTypeReserved;\r | |
2294 | }\r | |
2295 | if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) == PRESENT_MEMORY_ATTRIBUTES) {\r | |
2296 | GcdMemoryType = EfiGcdMemoryTypeReserved;\r | |
2297 | }\r | |
2298 | break;\r | |
2299 | case EFI_RESOURCE_MEMORY_MAPPED_IO:\r | |
2300 | case EFI_RESOURCE_FIRMWARE_DEVICE:\r | |
2301 | GcdMemoryType = EfiGcdMemoryTypeMemoryMappedIo;\r | |
2302 | break;\r | |
2303 | case EFI_RESOURCE_MEMORY_MAPPED_IO_PORT:\r | |
2304 | case EFI_RESOURCE_MEMORY_RESERVED:\r | |
2305 | GcdMemoryType = EfiGcdMemoryTypeReserved;\r | |
2306 | break;\r | |
2307 | case EFI_RESOURCE_IO:\r | |
2308 | GcdIoType = EfiGcdIoTypeIo;\r | |
2309 | break;\r | |
2310 | case EFI_RESOURCE_IO_RESERVED:\r | |
2311 | GcdIoType = EfiGcdIoTypeReserved;\r | |
2312 | break;\r | |
2313 | }\r | |
2314 | \r | |
2315 | if (GcdMemoryType != EfiGcdMemoryTypeNonExistent) {\r | |
d12a2ecb | 2316 | //\r |
2317 | // Validate the Resource HOB Attributes\r | |
2318 | //\r | |
2319 | CoreValidateResourceDescriptorHobAttributes (ResourceHob->ResourceAttribute);\r | |
2320 | \r | |
28a00297 | 2321 | //\r |
2322 | // Convert the Resource HOB Attributes to an EFI Memory Capabilities mask\r | |
2323 | //\r | |
2324 | Capabilities = CoreConvertResourceDescriptorHobAttributesToCapabilities (\r | |
2325 | GcdMemoryType,\r | |
2326 | ResourceHob->ResourceAttribute\r | |
2327 | );\r | |
2328 | \r | |
2329 | Status = CoreInternalAddMemorySpace (\r | |
2330 | GcdMemoryType,\r | |
2331 | ResourceHob->PhysicalStart,\r | |
2332 | ResourceHob->ResourceLength,\r | |
2333 | Capabilities\r | |
2334 | );\r | |
2335 | }\r | |
2336 | \r | |
2337 | if (GcdIoType != EfiGcdIoTypeNonExistent) {\r | |
2338 | Status = CoreAddIoSpace (\r | |
2339 | GcdIoType,\r | |
2340 | ResourceHob->PhysicalStart,\r | |
2341 | ResourceHob->ResourceLength\r | |
2342 | );\r | |
2343 | }\r | |
2344 | }\r | |
2345 | }\r | |
2346 | \r | |
2347 | //\r | |
2348 | // Allocate first memory region from the GCD by the DXE core\r | |
2349 | //\r | |
2350 | Status = CoreAllocateMemorySpace (\r | |
2351 | EfiGcdAllocateAddress,\r | |
2352 | EfiGcdMemoryTypeSystemMemory,\r | |
2353 | 0,\r | |
2354 | MemoryLength,\r | |
2355 | &MemoryBaseAddress,\r | |
2356 | gDxeCoreImageHandle,\r | |
2357 | NULL\r | |
2358 | );\r | |
2359 | \r | |
2360 | //\r | |
2361 | // Walk the HOB list and allocate all memory space that is consumed by memory allocation HOBs,\r | |
2362 | // and Firmware Volume HOBs. Also update the EFI Memory Map with the memory allocation HOBs.\r | |
2363 | //\r | |
2364 | for (Hob.Raw = *HobStart; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {\r | |
2365 | if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_MEMORY_ALLOCATION) {\r | |
2366 | MemoryHob = Hob.MemoryAllocation;\r | |
2367 | BaseAddress = MemoryHob->AllocDescriptor.MemoryBaseAddress;\r | |
f942f107 | 2368 | Status = CoreGetMemorySpaceDescriptor (BaseAddress, &Descriptor);\r |
28a00297 | 2369 | if (!EFI_ERROR (Status)) {\r |
f942f107 | 2370 | Status = CoreAllocateMemorySpace (\r |
2371 | EfiGcdAllocateAddress,\r | |
022c6d45 | 2372 | Descriptor.GcdMemoryType,\r |
f942f107 | 2373 | 0,\r |
2374 | MemoryHob->AllocDescriptor.MemoryLength,\r | |
2375 | &BaseAddress,\r | |
2376 | gDxeCoreImageHandle,\r | |
2377 | NULL\r | |
2378 | );\r | |
2379 | if (!EFI_ERROR (Status) && Descriptor.GcdMemoryType == EfiGcdMemoryTypeSystemMemory) {\r | |
28a00297 | 2380 | CoreAddMemoryDescriptor (\r |
2381 | MemoryHob->AllocDescriptor.MemoryType,\r | |
2382 | MemoryHob->AllocDescriptor.MemoryBaseAddress,\r | |
2383 | RShiftU64 (MemoryHob->AllocDescriptor.MemoryLength, EFI_PAGE_SHIFT),\r | |
2384 | Descriptor.Capabilities & (~EFI_MEMORY_RUNTIME)\r | |
2385 | );\r | |
2386 | }\r | |
2387 | }\r | |
2388 | }\r | |
2389 | \r | |
2390 | if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_FV) {\r | |
2391 | FirmwareVolumeHob = Hob.FirmwareVolume;\r | |
2392 | BaseAddress = FirmwareVolumeHob->BaseAddress;\r | |
2393 | Status = CoreAllocateMemorySpace (\r | |
2394 | EfiGcdAllocateAddress,\r | |
022c6d45 | 2395 | EfiGcdMemoryTypeMemoryMappedIo,\r |
28a00297 | 2396 | 0,\r |
2397 | FirmwareVolumeHob->Length,\r | |
2398 | &BaseAddress,\r | |
2399 | gDxeCoreImageHandle,\r | |
2400 | NULL\r | |
2401 | );\r | |
2402 | }\r | |
2403 | }\r | |
2404 | \r | |
2405 | //\r | |
2406 | // Relocate HOB List to an allocated pool buffer.\r | |
2407 | //\r | |
9c4ac31c | 2408 | NewHobList = AllocateCopyPool (\r |
022c6d45 | 2409 | (UINTN)PhitHob->EfiFreeMemoryBottom - (UINTN)(*HobStart),\r |
28a00297 | 2410 | *HobStart\r |
2411 | );\r | |
2412 | ASSERT (NewHobList != NULL);\r | |
2413 | \r | |
2414 | *HobStart = NewHobList;\r | |
05339bd7 | 2415 | gHobList = NewHobList;\r |
28a00297 | 2416 | \r |
2417 | //\r | |
2418 | // Add and allocate the remaining unallocated system memory to the memory services.\r | |
2419 | //\r | |
2420 | Status = CoreGetMemorySpaceMap (&NumberOfDescriptors, &MemorySpaceMap);\r | |
311a71b2 | 2421 | ASSERT (Status == EFI_SUCCESS);\r |
2422 | \r | |
28a00297 | 2423 | for (Index = 0; Index < NumberOfDescriptors; Index++) {\r |
2424 | if (MemorySpaceMap[Index].GcdMemoryType == EfiGcdMemoryTypeSystemMemory) {\r | |
2425 | if (MemorySpaceMap[Index].ImageHandle == NULL) {\r | |
2426 | BaseAddress = PageAlignAddress (MemorySpaceMap[Index].BaseAddress);\r | |
2427 | Length = PageAlignLength (MemorySpaceMap[Index].BaseAddress + MemorySpaceMap[Index].Length - BaseAddress);\r | |
383c303c | 2428 | if (Length == 0 || MemorySpaceMap[Index].BaseAddress + MemorySpaceMap[Index].Length < BaseAddress) {\r |
2429 | continue;\r | |
2430 | }\r | |
28a00297 | 2431 | CoreAddMemoryDescriptor (\r |
2432 | EfiConventionalMemory,\r | |
2433 | BaseAddress,\r | |
2434 | RShiftU64 (Length, EFI_PAGE_SHIFT),\r | |
2435 | MemorySpaceMap[Index].Capabilities & (~EFI_MEMORY_RUNTIME)\r | |
2436 | );\r | |
2437 | Status = CoreAllocateMemorySpace (\r | |
2438 | EfiGcdAllocateAddress,\r | |
2439 | EfiGcdMemoryTypeSystemMemory,\r | |
2440 | 0,\r | |
2441 | Length,\r | |
2442 | &BaseAddress,\r | |
2443 | gDxeCoreImageHandle,\r | |
2444 | NULL\r | |
2445 | );\r | |
2446 | }\r | |
2447 | }\r | |
2448 | }\r | |
2449 | CoreFreePool (MemorySpaceMap);\r | |
2450 | \r | |
2451 | return EFI_SUCCESS;\r | |
2452 | }\r |