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23c98c94 | 1 | /** @file\r |
2 | The file contains the GCD related services in the EFI Boot Services Table.\r | |
022c6d45 | 3 | The GCD services are used to manage the memory and I/O regions that\r |
e94a9ff7 | 4 | are accessible to the CPU that is executing the DXE core.\r |
504214c4 | 5 | \r |
f9d1f97c | 6 | Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>\r |
cd5ebaa0 | 7 | This program and the accompanying materials\r |
23c98c94 | 8 | are licensed and made available under the terms and conditions of the BSD License\r |
9 | which accompanies this distribution. The full text of the license may be found at\r | |
10 | http://opensource.org/licenses/bsd-license.php\r | |
11 | \r | |
12 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
13 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
28a00297 | 14 | \r |
504214c4 | 15 | **/\r |
28a00297 | 16 | \r |
9c4ac31c | 17 | #include "DxeMain.h"\r |
ec90508b | 18 | #include "Gcd.h"\r |
28a00297 | 19 | \r |
20 | #define MINIMUM_INITIAL_MEMORY_SIZE 0x10000\r | |
21 | \r | |
22 | #define MEMORY_ATTRIBUTE_MASK (EFI_RESOURCE_ATTRIBUTE_PRESENT | \\r | |
23 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED | \\r | |
24 | EFI_RESOURCE_ATTRIBUTE_TESTED | \\r | |
25 | EFI_RESOURCE_ATTRIBUTE_READ_PROTECTED | \\r | |
26 | EFI_RESOURCE_ATTRIBUTE_WRITE_PROTECTED | \\r | |
27 | EFI_RESOURCE_ATTRIBUTE_EXECUTION_PROTECTED | \\r | |
28 | EFI_RESOURCE_ATTRIBUTE_16_BIT_IO | \\r | |
29 | EFI_RESOURCE_ATTRIBUTE_32_BIT_IO | \\r | |
022c6d45 | 30 | EFI_RESOURCE_ATTRIBUTE_64_BIT_IO )\r |
28a00297 | 31 | \r |
32 | #define TESTED_MEMORY_ATTRIBUTES (EFI_RESOURCE_ATTRIBUTE_PRESENT | \\r | |
33 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED | \\r | |
34 | EFI_RESOURCE_ATTRIBUTE_TESTED )\r | |
35 | \r | |
36 | #define INITIALIZED_MEMORY_ATTRIBUTES (EFI_RESOURCE_ATTRIBUTE_PRESENT | \\r | |
37 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED )\r | |
38 | \r | |
39 | #define PRESENT_MEMORY_ATTRIBUTES (EFI_RESOURCE_ATTRIBUTE_PRESENT)\r | |
40 | \r | |
41 | #define INVALID_CPU_ARCH_ATTRIBUTES 0xffffffff\r | |
42 | \r | |
43 | //\r | |
44 | // Module Variables\r | |
45 | //\r | |
46 | EFI_LOCK mGcdMemorySpaceLock = EFI_INITIALIZE_LOCK_VARIABLE (TPL_NOTIFY);\r | |
47 | EFI_LOCK mGcdIoSpaceLock = EFI_INITIALIZE_LOCK_VARIABLE (TPL_NOTIFY);\r | |
48 | LIST_ENTRY mGcdMemorySpaceMap = INITIALIZE_LIST_HEAD_VARIABLE (mGcdMemorySpaceMap);\r | |
49 | LIST_ENTRY mGcdIoSpaceMap = INITIALIZE_LIST_HEAD_VARIABLE (mGcdIoSpaceMap);\r | |
50 | \r | |
51 | EFI_GCD_MAP_ENTRY mGcdMemorySpaceMapEntryTemplate = {\r | |
52 | EFI_GCD_MAP_SIGNATURE,\r | |
022c6d45 | 53 | {\r |
e94a9ff7 | 54 | NULL,\r |
55 | NULL\r | |
56 | },\r | |
28a00297 | 57 | 0,\r |
58 | 0,\r | |
59 | 0,\r | |
60 | 0,\r | |
61 | EfiGcdMemoryTypeNonExistent,\r | |
62 | (EFI_GCD_IO_TYPE) 0,\r | |
63 | NULL,\r | |
64 | NULL\r | |
65 | };\r | |
66 | \r | |
67 | EFI_GCD_MAP_ENTRY mGcdIoSpaceMapEntryTemplate = {\r | |
68 | EFI_GCD_MAP_SIGNATURE,\r | |
e94a9ff7 | 69 | {\r |
70 | NULL,\r | |
71 | NULL\r | |
72 | },\r | |
28a00297 | 73 | 0,\r |
74 | 0,\r | |
75 | 0,\r | |
76 | 0,\r | |
77 | (EFI_GCD_MEMORY_TYPE) 0,\r | |
78 | EfiGcdIoTypeNonExistent,\r | |
79 | NULL,\r | |
80 | NULL\r | |
81 | };\r | |
82 | \r | |
83 | GCD_ATTRIBUTE_CONVERSION_ENTRY mAttributeConversionTable[] = {\r | |
84 | { EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE, EFI_MEMORY_UC, TRUE },\r | |
022c6d45 | 85 | { EFI_RESOURCE_ATTRIBUTE_UNCACHED_EXPORTED, EFI_MEMORY_UCE, TRUE },\r |
28a00297 | 86 | { EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE, EFI_MEMORY_WC, TRUE },\r |
87 | { EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE, EFI_MEMORY_WT, TRUE },\r | |
88 | { EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE, EFI_MEMORY_WB, TRUE },\r | |
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 |
692 | \r | |
693 | **/\r | |
28a00297 | 694 | EFI_STATUS\r |
695 | CoreConvertSpace (\r | |
696 | IN UINTN Operation,\r | |
697 | IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
698 | IN EFI_GCD_IO_TYPE GcdIoType,\r | |
699 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
700 | IN UINT64 Length,\r | |
701 | IN UINT64 Capabilities,\r | |
702 | IN UINT64 Attributes\r | |
703 | )\r | |
28a00297 | 704 | {\r |
705 | EFI_STATUS Status;\r | |
706 | LIST_ENTRY *Map;\r | |
707 | LIST_ENTRY *Link;\r | |
708 | EFI_GCD_MAP_ENTRY *Entry;\r | |
709 | EFI_GCD_MAP_ENTRY *TopEntry;\r | |
710 | EFI_GCD_MAP_ENTRY *BottomEntry;\r | |
711 | LIST_ENTRY *StartLink;\r | |
712 | LIST_ENTRY *EndLink;\r | |
f9d1f97c | 713 | UINT64 CpuArchAttributes;\r |
28a00297 | 714 | \r |
715 | if (Length == 0) {\r | |
aa927cae | 716 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 717 | return EFI_INVALID_PARAMETER;\r |
718 | }\r | |
719 | \r | |
720 | Map = NULL;\r | |
71f68914 | 721 | if ((Operation & GCD_MEMORY_SPACE_OPERATION) != 0) {\r |
28a00297 | 722 | CoreAcquireGcdMemoryLock ();\r |
723 | Map = &mGcdMemorySpaceMap;\r | |
fbbb4211 | 724 | } else if ((Operation & GCD_IO_SPACE_OPERATION) != 0) {\r |
28a00297 | 725 | CoreAcquireGcdIoLock ();\r |
726 | Map = &mGcdIoSpaceMap;\r | |
fbbb4211 | 727 | } else {\r |
728 | ASSERT (FALSE);\r | |
28a00297 | 729 | }\r |
730 | \r | |
731 | //\r | |
732 | // Search for the list of descriptors that cover the range BaseAddress to BaseAddress+Length\r | |
733 | //\r | |
734 | Status = CoreSearchGcdMapEntry (BaseAddress, Length, &StartLink, &EndLink, Map);\r | |
735 | if (EFI_ERROR (Status)) {\r | |
736 | Status = EFI_UNSUPPORTED;\r | |
737 | \r | |
738 | goto Done;\r | |
739 | }\r | |
d2fbaaab | 740 | ASSERT (StartLink != NULL && EndLink != NULL);\r |
28a00297 | 741 | \r |
742 | //\r | |
743 | // Verify that the list of descriptors are unallocated non-existent memory.\r | |
744 | //\r | |
745 | Link = StartLink;\r | |
746 | while (Link != EndLink->ForwardLink) {\r | |
747 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
748 | switch (Operation) {\r | |
749 | //\r | |
750 | // Add operations\r | |
751 | //\r | |
752 | case GCD_ADD_MEMORY_OPERATION:\r | |
753 | if (Entry->GcdMemoryType != EfiGcdMemoryTypeNonExistent ||\r | |
754 | Entry->ImageHandle != NULL ) {\r | |
755 | Status = EFI_ACCESS_DENIED;\r | |
756 | goto Done;\r | |
757 | }\r | |
758 | break;\r | |
759 | case GCD_ADD_IO_OPERATION:\r | |
760 | if (Entry->GcdIoType != EfiGcdIoTypeNonExistent ||\r | |
761 | Entry->ImageHandle != NULL ) {\r | |
762 | Status = EFI_ACCESS_DENIED;\r | |
763 | goto Done;\r | |
764 | }\r | |
765 | break;\r | |
766 | //\r | |
767 | // Free operations\r | |
768 | //\r | |
769 | case GCD_FREE_MEMORY_OPERATION:\r | |
770 | case GCD_FREE_IO_OPERATION:\r | |
771 | if (Entry->ImageHandle == NULL) {\r | |
772 | Status = EFI_NOT_FOUND;\r | |
773 | goto Done;\r | |
774 | }\r | |
775 | break;\r | |
776 | //\r | |
777 | // Remove operations\r | |
778 | //\r | |
779 | case GCD_REMOVE_MEMORY_OPERATION:\r | |
780 | if (Entry->GcdMemoryType == EfiGcdMemoryTypeNonExistent) {\r | |
781 | Status = EFI_NOT_FOUND;\r | |
782 | goto Done;\r | |
783 | }\r | |
784 | if (Entry->ImageHandle != NULL) {\r | |
785 | Status = EFI_ACCESS_DENIED;\r | |
786 | goto Done;\r | |
787 | }\r | |
788 | break;\r | |
789 | case GCD_REMOVE_IO_OPERATION:\r | |
790 | if (Entry->GcdIoType == EfiGcdIoTypeNonExistent) {\r | |
791 | Status = EFI_NOT_FOUND;\r | |
792 | goto Done;\r | |
793 | }\r | |
794 | if (Entry->ImageHandle != NULL) {\r | |
795 | Status = EFI_ACCESS_DENIED;\r | |
796 | goto Done;\r | |
797 | }\r | |
798 | break;\r | |
799 | //\r | |
800 | // Set attribute operations\r | |
801 | //\r | |
802 | case GCD_SET_ATTRIBUTES_MEMORY_OPERATION:\r | |
71f68914 | 803 | if ((Attributes & EFI_MEMORY_RUNTIME) != 0) {\r |
28a00297 | 804 | if ((BaseAddress & EFI_PAGE_MASK) != 0 || (Length & EFI_PAGE_MASK) != 0) {\r |
805 | Status = EFI_INVALID_PARAMETER;\r | |
28a00297 | 806 | goto Done;\r |
807 | }\r | |
808 | }\r | |
809 | if ((Entry->Capabilities & Attributes) != Attributes) {\r | |
810 | Status = EFI_UNSUPPORTED;\r | |
811 | goto Done;\r | |
812 | }\r | |
813 | break;\r | |
814 | }\r | |
815 | Link = Link->ForwardLink;\r | |
816 | }\r | |
817 | \r | |
818 | //\r | |
819 | // Allocate work space to perform this operation\r | |
820 | //\r | |
821 | Status = CoreAllocateGcdMapEntry (&TopEntry, &BottomEntry);\r | |
822 | if (EFI_ERROR (Status)) {\r | |
823 | Status = EFI_OUT_OF_RESOURCES;\r | |
824 | goto Done;\r | |
825 | }\r | |
d2fbaaab | 826 | ASSERT (TopEntry != NULL && BottomEntry != NULL);\r |
28a00297 | 827 | \r |
28a00297 | 828 | if (Operation == GCD_SET_ATTRIBUTES_MEMORY_OPERATION) {\r |
829 | //\r | |
830 | // Call CPU Arch Protocol to attempt to set attributes on the range\r | |
831 | //\r | |
832 | CpuArchAttributes = ConverToCpuArchAttributes (Attributes);\r | |
f9d1f97c | 833 | if (CpuArchAttributes != INVALID_CPU_ARCH_ATTRIBUTES) {\r |
834 | if (gCpu != NULL) {\r | |
835 | Status = gCpu->SetMemoryAttributes (\r | |
836 | gCpu,\r | |
837 | BaseAddress,\r | |
838 | Length,\r | |
839 | CpuArchAttributes\r | |
840 | );\r | |
841 | if (EFI_ERROR (Status)) {\r | |
842 | goto Done;\r | |
843 | }\r | |
28a00297 | 844 | }\r |
845 | }\r | |
28a00297 | 846 | }\r |
847 | \r | |
848 | //\r | |
849 | // Convert/Insert the list of descriptors from StartLink to EndLink\r | |
850 | //\r | |
851 | Link = StartLink;\r | |
852 | while (Link != EndLink->ForwardLink) {\r | |
853 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
854 | CoreInsertGcdMapEntry (Link, Entry, BaseAddress, Length, TopEntry, BottomEntry);\r | |
855 | switch (Operation) {\r | |
856 | //\r | |
857 | // Add operations\r | |
858 | //\r | |
859 | case GCD_ADD_MEMORY_OPERATION:\r | |
860 | Entry->GcdMemoryType = GcdMemoryType;\r | |
861 | if (GcdMemoryType == EfiGcdMemoryTypeMemoryMappedIo) {\r | |
862 | Entry->Capabilities = Capabilities | EFI_MEMORY_RUNTIME | EFI_MEMORY_PORT_IO;\r | |
863 | } else {\r | |
864 | Entry->Capabilities = Capabilities | EFI_MEMORY_RUNTIME;\r | |
865 | }\r | |
866 | break;\r | |
867 | case GCD_ADD_IO_OPERATION:\r | |
868 | Entry->GcdIoType = GcdIoType;\r | |
869 | break;\r | |
870 | //\r | |
871 | // Free operations\r | |
872 | //\r | |
873 | case GCD_FREE_MEMORY_OPERATION:\r | |
874 | case GCD_FREE_IO_OPERATION:\r | |
875 | Entry->ImageHandle = NULL;\r | |
876 | Entry->DeviceHandle = NULL;\r | |
877 | break;\r | |
878 | //\r | |
879 | // Remove operations\r | |
880 | //\r | |
881 | case GCD_REMOVE_MEMORY_OPERATION:\r | |
882 | Entry->GcdMemoryType = EfiGcdMemoryTypeNonExistent;\r | |
883 | Entry->Capabilities = 0;\r | |
884 | break;\r | |
885 | case GCD_REMOVE_IO_OPERATION:\r | |
886 | Entry->GcdIoType = EfiGcdIoTypeNonExistent;\r | |
887 | break;\r | |
888 | //\r | |
889 | // Set attribute operations\r | |
890 | //\r | |
891 | case GCD_SET_ATTRIBUTES_MEMORY_OPERATION:\r | |
892 | Entry->Attributes = Attributes;\r | |
893 | break;\r | |
894 | }\r | |
895 | Link = Link->ForwardLink;\r | |
896 | }\r | |
897 | \r | |
898 | //\r | |
899 | // Cleanup\r | |
900 | //\r | |
901 | Status = CoreCleanupGcdMapEntry (TopEntry, BottomEntry, StartLink, EndLink, Map);\r | |
902 | \r | |
903 | Done:\r | |
aa927cae | 904 | DEBUG ((DEBUG_GCD, " Status = %r\n", Status));\r |
f9d1f97c | 905 | \r |
71f68914 | 906 | if ((Operation & GCD_MEMORY_SPACE_OPERATION) != 0) {\r |
28a00297 | 907 | CoreReleaseGcdMemoryLock ();\r |
aa927cae | 908 | CoreDumpGcdMemorySpaceMap (FALSE);\r |
28a00297 | 909 | }\r |
71f68914 | 910 | if ((Operation & GCD_IO_SPACE_OPERATION) != 0) {\r |
28a00297 | 911 | CoreReleaseGcdIoLock ();\r |
aa927cae | 912 | CoreDumpGcdIoSpaceMap (FALSE);\r |
28a00297 | 913 | }\r |
914 | \r | |
915 | return Status;\r | |
916 | }\r | |
917 | \r | |
162ed594 | 918 | \r |
919 | /**\r | |
920 | Check whether an entry could be used to allocate space.\r | |
921 | \r | |
022c6d45 | 922 | @param Operation Allocate memory or IO\r |
923 | @param Entry The entry to be tested\r | |
924 | @param GcdMemoryType The desired memory type\r | |
925 | @param GcdIoType The desired IO type\r | |
162ed594 | 926 | \r |
022c6d45 | 927 | @retval EFI_NOT_FOUND The memory type does not match or there's an\r |
928 | image handle on the entry.\r | |
929 | @retval EFI_UNSUPPORTED The operation unsupported.\r | |
930 | @retval EFI_SUCCESS It's ok for this entry to be used to allocate\r | |
162ed594 | 931 | space.\r |
932 | \r | |
933 | **/\r | |
28a00297 | 934 | EFI_STATUS\r |
935 | CoreAllocateSpaceCheckEntry (\r | |
936 | IN UINTN Operation,\r | |
937 | IN EFI_GCD_MAP_ENTRY *Entry,\r | |
938 | IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
939 | IN EFI_GCD_IO_TYPE GcdIoType\r | |
940 | )\r | |
28a00297 | 941 | {\r |
942 | if (Entry->ImageHandle != NULL) {\r | |
943 | return EFI_NOT_FOUND;\r | |
944 | }\r | |
945 | switch (Operation) {\r | |
946 | case GCD_ALLOCATE_MEMORY_OPERATION:\r | |
947 | if (Entry->GcdMemoryType != GcdMemoryType) {\r | |
948 | return EFI_NOT_FOUND;\r | |
949 | }\r | |
950 | break;\r | |
951 | case GCD_ALLOCATE_IO_OPERATION:\r | |
952 | if (Entry->GcdIoType != GcdIoType) {\r | |
953 | return EFI_NOT_FOUND;\r | |
954 | }\r | |
955 | break;\r | |
956 | default:\r | |
957 | return EFI_UNSUPPORTED;\r | |
958 | }\r | |
959 | return EFI_SUCCESS;\r | |
960 | }\r | |
961 | \r | |
162ed594 | 962 | \r |
963 | /**\r | |
964 | Allocate space on specified address and length.\r | |
965 | \r | |
022c6d45 | 966 | @param Operation The type of operation (memory or IO)\r |
967 | @param GcdAllocateType The type of allocate operation\r | |
968 | @param GcdMemoryType The desired memory type\r | |
969 | @param GcdIoType The desired IO type\r | |
970 | @param Alignment Align with 2^Alignment\r | |
971 | @param Length Length to allocate\r | |
972 | @param BaseAddress Base address to allocate\r | |
973 | @param ImageHandle The image handle consume the allocated space.\r | |
974 | @param DeviceHandle The device handle consume the allocated space.\r | |
975 | \r | |
976 | @retval EFI_INVALID_PARAMETER Invalid parameter.\r | |
977 | @retval EFI_NOT_FOUND No descriptor for the desired space exists.\r | |
162ed594 | 978 | @retval EFI_SUCCESS Space successfully allocated.\r |
979 | \r | |
980 | **/\r | |
28a00297 | 981 | EFI_STATUS\r |
982 | CoreAllocateSpace (\r | |
983 | IN UINTN Operation,\r | |
984 | IN EFI_GCD_ALLOCATE_TYPE GcdAllocateType,\r | |
985 | IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
986 | IN EFI_GCD_IO_TYPE GcdIoType,\r | |
987 | IN UINTN Alignment,\r | |
988 | IN UINT64 Length,\r | |
989 | IN OUT EFI_PHYSICAL_ADDRESS *BaseAddress,\r | |
990 | IN EFI_HANDLE ImageHandle,\r | |
991 | IN EFI_HANDLE DeviceHandle OPTIONAL\r | |
992 | )\r | |
28a00297 | 993 | {\r |
994 | EFI_STATUS Status;\r | |
995 | EFI_PHYSICAL_ADDRESS AlignmentMask;\r | |
996 | EFI_PHYSICAL_ADDRESS MaxAddress;\r | |
997 | LIST_ENTRY *Map;\r | |
998 | LIST_ENTRY *Link;\r | |
999 | LIST_ENTRY *SubLink;\r | |
1000 | EFI_GCD_MAP_ENTRY *Entry;\r | |
1001 | EFI_GCD_MAP_ENTRY *TopEntry;\r | |
1002 | EFI_GCD_MAP_ENTRY *BottomEntry;\r | |
1003 | LIST_ENTRY *StartLink;\r | |
1004 | LIST_ENTRY *EndLink;\r | |
1005 | BOOLEAN Found;\r | |
1006 | \r | |
1007 | //\r | |
1008 | // Make sure parameters are valid\r | |
1009 | //\r | |
1010 | if (GcdAllocateType < 0 || GcdAllocateType >= EfiGcdMaxAllocateType) {\r | |
aa927cae | 1011 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 1012 | return EFI_INVALID_PARAMETER;\r |
1013 | }\r | |
1014 | if (GcdMemoryType < 0 || GcdMemoryType >= EfiGcdMemoryTypeMaximum) {\r | |
aa927cae | 1015 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 1016 | return EFI_INVALID_PARAMETER;\r |
1017 | }\r | |
1018 | if (GcdIoType < 0 || GcdIoType >= EfiGcdIoTypeMaximum) {\r | |
aa927cae | 1019 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 1020 | return EFI_INVALID_PARAMETER;\r |
1021 | }\r | |
1022 | if (BaseAddress == NULL) {\r | |
aa927cae | 1023 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 1024 | return EFI_INVALID_PARAMETER;\r |
1025 | }\r | |
1026 | if (ImageHandle == NULL) {\r | |
aa927cae | 1027 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 1028 | return EFI_INVALID_PARAMETER;\r |
1029 | }\r | |
1030 | if (Alignment >= 64) {\r | |
aa927cae | 1031 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_NOT_FOUND));\r |
28a00297 | 1032 | return EFI_NOT_FOUND;\r |
1033 | }\r | |
1034 | if (Length == 0) {\r | |
aa927cae | 1035 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 1036 | return EFI_INVALID_PARAMETER;\r |
1037 | }\r | |
1038 | \r | |
1039 | Map = NULL;\r | |
71f68914 | 1040 | if ((Operation & GCD_MEMORY_SPACE_OPERATION) != 0) {\r |
28a00297 | 1041 | CoreAcquireGcdMemoryLock ();\r |
1042 | Map = &mGcdMemorySpaceMap;\r | |
fbbb4211 | 1043 | } else if ((Operation & GCD_IO_SPACE_OPERATION) != 0) {\r |
28a00297 | 1044 | CoreAcquireGcdIoLock ();\r |
1045 | Map = &mGcdIoSpaceMap;\r | |
fbbb4211 | 1046 | } else {\r |
1047 | ASSERT (FALSE);\r | |
28a00297 | 1048 | }\r |
1049 | \r | |
1050 | Found = FALSE;\r | |
1051 | StartLink = NULL;\r | |
1052 | EndLink = NULL;\r | |
1053 | //\r | |
1054 | // Compute alignment bit mask\r | |
1055 | //\r | |
1056 | AlignmentMask = LShiftU64 (1, Alignment) - 1;\r | |
1057 | \r | |
1058 | if (GcdAllocateType == EfiGcdAllocateAddress) {\r | |
1059 | //\r | |
1060 | // Verify that the BaseAddress passed in is aligned correctly\r | |
1061 | //\r | |
1062 | if ((*BaseAddress & AlignmentMask) != 0) {\r | |
1063 | Status = EFI_NOT_FOUND;\r | |
1064 | goto Done;\r | |
1065 | }\r | |
1066 | \r | |
1067 | //\r | |
1068 | // Search for the list of descriptors that cover the range BaseAddress to BaseAddress+Length\r | |
1069 | //\r | |
1070 | Status = CoreSearchGcdMapEntry (*BaseAddress, Length, &StartLink, &EndLink, Map);\r | |
1071 | if (EFI_ERROR (Status)) {\r | |
1072 | Status = EFI_NOT_FOUND;\r | |
1073 | goto Done;\r | |
1074 | }\r | |
d2fbaaab | 1075 | ASSERT (StartLink != NULL && EndLink != NULL);\r |
28a00297 | 1076 | \r |
1077 | //\r | |
1078 | // Verify that the list of descriptors are unallocated memory matching GcdMemoryType.\r | |
1079 | //\r | |
1080 | Link = StartLink;\r | |
1081 | while (Link != EndLink->ForwardLink) {\r | |
1082 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1083 | Link = Link->ForwardLink;\r | |
1084 | Status = CoreAllocateSpaceCheckEntry (Operation, Entry, GcdMemoryType, GcdIoType);\r | |
1085 | if (EFI_ERROR (Status)) {\r | |
1086 | goto Done;\r | |
1087 | }\r | |
1088 | }\r | |
1089 | Found = TRUE;\r | |
1090 | } else {\r | |
1091 | \r | |
1092 | Entry = CR (Map->BackLink, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1093 | \r | |
1094 | //\r | |
1095 | // Compute the maximum address to use in the search algorithm\r | |
1096 | //\r | |
1097 | if (GcdAllocateType == EfiGcdAllocateMaxAddressSearchBottomUp ||\r | |
1098 | GcdAllocateType == EfiGcdAllocateMaxAddressSearchTopDown ) {\r | |
1099 | MaxAddress = *BaseAddress;\r | |
1100 | } else {\r | |
1101 | MaxAddress = Entry->EndAddress;\r | |
1102 | }\r | |
1103 | \r | |
1104 | //\r | |
1105 | // Verify that the list of descriptors are unallocated memory matching GcdMemoryType.\r | |
1106 | //\r | |
1107 | if (GcdAllocateType == EfiGcdAllocateMaxAddressSearchTopDown ||\r | |
1108 | GcdAllocateType == EfiGcdAllocateAnySearchTopDown ) {\r | |
1109 | Link = Map->BackLink;\r | |
1110 | } else {\r | |
1111 | Link = Map->ForwardLink;\r | |
1112 | }\r | |
1113 | while (Link != Map) {\r | |
1114 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1115 | \r | |
1116 | if (GcdAllocateType == EfiGcdAllocateMaxAddressSearchTopDown ||\r | |
1117 | GcdAllocateType == EfiGcdAllocateAnySearchTopDown ) {\r | |
1118 | Link = Link->BackLink;\r | |
1119 | } else {\r | |
1120 | Link = Link->ForwardLink;\r | |
1121 | }\r | |
1122 | \r | |
1123 | Status = CoreAllocateSpaceCheckEntry (Operation, Entry, GcdMemoryType, GcdIoType);\r | |
1124 | if (EFI_ERROR (Status)) {\r | |
1125 | continue;\r | |
1126 | }\r | |
1127 | \r | |
1128 | if (GcdAllocateType == EfiGcdAllocateMaxAddressSearchTopDown ||\r | |
e94a9ff7 | 1129 | GcdAllocateType == EfiGcdAllocateAnySearchTopDown) {\r |
28a00297 | 1130 | if ((Entry->BaseAddress + Length) > MaxAddress) {\r |
1131 | continue;\r | |
1132 | }\r | |
1133 | if (Length > (Entry->EndAddress + 1)) {\r | |
1134 | Status = EFI_NOT_FOUND;\r | |
1135 | goto Done;\r | |
1136 | }\r | |
1137 | if (Entry->EndAddress > MaxAddress) {\r | |
1138 | *BaseAddress = MaxAddress;\r | |
1139 | } else {\r | |
1140 | *BaseAddress = Entry->EndAddress;\r | |
1141 | }\r | |
1142 | *BaseAddress = (*BaseAddress + 1 - Length) & (~AlignmentMask);\r | |
1143 | } else {\r | |
1144 | *BaseAddress = (Entry->BaseAddress + AlignmentMask) & (~AlignmentMask);\r | |
1145 | if ((*BaseAddress + Length - 1) > MaxAddress) {\r | |
1146 | Status = EFI_NOT_FOUND;\r | |
1147 | goto Done;\r | |
1148 | }\r | |
1149 | }\r | |
1150 | \r | |
1151 | //\r | |
1152 | // Search for the list of descriptors that cover the range BaseAddress to BaseAddress+Length\r | |
1153 | //\r | |
1154 | Status = CoreSearchGcdMapEntry (*BaseAddress, Length, &StartLink, &EndLink, Map);\r | |
1155 | if (EFI_ERROR (Status)) {\r | |
1156 | Status = EFI_NOT_FOUND;\r | |
1157 | goto Done;\r | |
1158 | }\r | |
d2fbaaab | 1159 | ASSERT (StartLink != NULL && EndLink != NULL);\r |
28a00297 | 1160 | \r |
1161 | Link = StartLink;\r | |
1162 | //\r | |
1163 | // Verify that the list of descriptors are unallocated memory matching GcdMemoryType.\r | |
1164 | //\r | |
1165 | Found = TRUE;\r | |
1166 | SubLink = StartLink;\r | |
1167 | while (SubLink != EndLink->ForwardLink) {\r | |
1168 | Entry = CR (SubLink, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1169 | Status = CoreAllocateSpaceCheckEntry (Operation, Entry, GcdMemoryType, GcdIoType);\r | |
1170 | if (EFI_ERROR (Status)) {\r | |
1171 | Link = SubLink;\r | |
1172 | Found = FALSE;\r | |
1173 | break;\r | |
1174 | }\r | |
1175 | SubLink = SubLink->ForwardLink;\r | |
1176 | }\r | |
1177 | if (Found) {\r | |
1178 | break;\r | |
1179 | }\r | |
1180 | }\r | |
1181 | }\r | |
1182 | if (!Found) {\r | |
1183 | Status = EFI_NOT_FOUND;\r | |
1184 | goto Done;\r | |
1185 | }\r | |
1186 | \r | |
1187 | //\r | |
1188 | // Allocate work space to perform this operation\r | |
1189 | //\r | |
1190 | Status = CoreAllocateGcdMapEntry (&TopEntry, &BottomEntry);\r | |
1191 | if (EFI_ERROR (Status)) {\r | |
1192 | Status = EFI_OUT_OF_RESOURCES;\r | |
1193 | goto Done;\r | |
1194 | }\r | |
d2fbaaab | 1195 | ASSERT (TopEntry != NULL && BottomEntry != NULL);\r |
28a00297 | 1196 | \r |
1197 | //\r | |
1198 | // Convert/Insert the list of descriptors from StartLink to EndLink\r | |
1199 | //\r | |
1200 | Link = StartLink;\r | |
1201 | while (Link != EndLink->ForwardLink) {\r | |
1202 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1203 | CoreInsertGcdMapEntry (Link, Entry, *BaseAddress, Length, TopEntry, BottomEntry);\r | |
1204 | Entry->ImageHandle = ImageHandle;\r | |
1205 | Entry->DeviceHandle = DeviceHandle;\r | |
1206 | Link = Link->ForwardLink;\r | |
1207 | }\r | |
1208 | \r | |
1209 | //\r | |
1210 | // Cleanup\r | |
1211 | //\r | |
1212 | Status = CoreCleanupGcdMapEntry (TopEntry, BottomEntry, StartLink, EndLink, Map);\r | |
1213 | \r | |
1214 | Done:\r | |
aa927cae | 1215 | DEBUG ((DEBUG_GCD, " Status = %r", Status));\r |
1216 | if (!EFI_ERROR (Status)) {\r | |
1217 | DEBUG ((DEBUG_GCD, " (BaseAddress = %016lx)", *BaseAddress));\r | |
1218 | }\r | |
1219 | DEBUG ((DEBUG_GCD, "\n"));\r | |
f9d1f97c | 1220 | \r |
71f68914 | 1221 | if ((Operation & GCD_MEMORY_SPACE_OPERATION) != 0) {\r |
28a00297 | 1222 | CoreReleaseGcdMemoryLock ();\r |
aa927cae | 1223 | CoreDumpGcdMemorySpaceMap (FALSE);\r |
28a00297 | 1224 | }\r |
71f68914 | 1225 | if ((Operation & GCD_IO_SPACE_OPERATION) !=0) {\r |
28a00297 | 1226 | CoreReleaseGcdIoLock ();\r |
aa927cae | 1227 | CoreDumpGcdIoSpaceMap (FALSE);\r |
28a00297 | 1228 | }\r |
aa927cae | 1229 | \r |
28a00297 | 1230 | return Status;\r |
1231 | }\r | |
1232 | \r | |
28a00297 | 1233 | \r |
162ed594 | 1234 | /**\r |
28a00297 | 1235 | Add a segment of memory to GCD map.\r |
1236 | \r | |
022c6d45 | 1237 | @param GcdMemoryType Memory type of the segment.\r |
1238 | @param BaseAddress Base address of the segment.\r | |
1239 | @param Length Length of the segment.\r | |
1240 | @param Capabilities alterable attributes of the segment.\r | |
28a00297 | 1241 | \r |
022c6d45 | 1242 | @retval EFI_INVALID_PARAMETER Invalid parameters.\r |
162ed594 | 1243 | @retval EFI_SUCCESS Successfully add a segment of memory space.\r |
28a00297 | 1244 | \r |
162ed594 | 1245 | **/\r |
162ed594 | 1246 | EFI_STATUS\r |
1247 | CoreInternalAddMemorySpace (\r | |
1248 | IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
1249 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1250 | IN UINT64 Length,\r | |
1251 | IN UINT64 Capabilities\r | |
1252 | )\r | |
28a00297 | 1253 | {\r |
f9d1f97c | 1254 | DEBUG ((DEBUG_GCD, "GCD:AddMemorySpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1255 | DEBUG ((DEBUG_GCD, " GcdMemoryType = %a\n", mGcdMemoryTypeNames[MIN (GcdMemoryType, EfiGcdMemoryTypeMaximum)]));\r | |
1256 | DEBUG ((DEBUG_GCD, " Capabilities = %016lx\n", Capabilities));\r | |
1257 | \r | |
28a00297 | 1258 | //\r |
1259 | // Make sure parameters are valid\r | |
1260 | //\r | |
1261 | if (GcdMemoryType <= EfiGcdMemoryTypeNonExistent || GcdMemoryType >= EfiGcdMemoryTypeMaximum) {\r | |
1262 | return EFI_INVALID_PARAMETER;\r | |
1263 | }\r | |
1264 | \r | |
1265 | return CoreConvertSpace (GCD_ADD_MEMORY_OPERATION, GcdMemoryType, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, Capabilities, 0);\r | |
1266 | }\r | |
1267 | \r | |
1268 | //\r | |
1269 | // GCD Core Services\r | |
1270 | //\r | |
162ed594 | 1271 | \r |
1272 | /**\r | |
1273 | Allocates nonexistent memory, reserved memory, system memory, or memorymapped\r | |
1274 | I/O resources from the global coherency domain of the processor.\r | |
1275 | \r | |
022c6d45 | 1276 | @param GcdAllocateType The type of allocate operation\r |
1277 | @param GcdMemoryType The desired memory type\r | |
1278 | @param Alignment Align with 2^Alignment\r | |
1279 | @param Length Length to allocate\r | |
1280 | @param BaseAddress Base address to allocate\r | |
1281 | @param ImageHandle The image handle consume the allocated space.\r | |
1282 | @param DeviceHandle The device handle consume the allocated space.\r | |
162ed594 | 1283 | \r |
022c6d45 | 1284 | @retval EFI_INVALID_PARAMETER Invalid parameter.\r |
1285 | @retval EFI_NOT_FOUND No descriptor contains the desired space.\r | |
162ed594 | 1286 | @retval EFI_SUCCESS Memory space successfully allocated.\r |
1287 | \r | |
1288 | **/\r | |
28a00297 | 1289 | EFI_STATUS\r |
3b6ffb6a | 1290 | EFIAPI\r |
28a00297 | 1291 | CoreAllocateMemorySpace (\r |
1292 | IN EFI_GCD_ALLOCATE_TYPE GcdAllocateType,\r | |
1293 | IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
1294 | IN UINTN Alignment,\r | |
1295 | IN UINT64 Length,\r | |
1296 | IN OUT EFI_PHYSICAL_ADDRESS *BaseAddress,\r | |
1297 | IN EFI_HANDLE ImageHandle,\r | |
1298 | IN EFI_HANDLE DeviceHandle OPTIONAL\r | |
1299 | )\r | |
28a00297 | 1300 | {\r |
f9d1f97c | 1301 | DEBUG ((DEBUG_GCD, "GCD:AllocateMemorySpace(Base=%016lx,Length=%016lx)\n", *BaseAddress, Length));\r |
1302 | DEBUG ((DEBUG_GCD, " GcdAllocateType = %a\n", mGcdAllocationTypeNames[MIN (GcdAllocateType, EfiGcdMaxAllocateType)]));\r | |
1303 | DEBUG ((DEBUG_GCD, " GcdMemoryType = %a\n", mGcdMemoryTypeNames[MIN (GcdMemoryType, EfiGcdMemoryTypeMaximum)]));\r | |
1304 | DEBUG ((DEBUG_GCD, " Alignment = %016lx\n", LShiftU64 (1, Alignment)));\r | |
1305 | DEBUG ((DEBUG_GCD, " ImageHandle = %p\n", ImageHandle));\r | |
1306 | DEBUG ((DEBUG_GCD, " DeviceHandle = %p\n", DeviceHandle));\r | |
1307 | \r | |
28a00297 | 1308 | return CoreAllocateSpace (\r |
022c6d45 | 1309 | GCD_ALLOCATE_MEMORY_OPERATION,\r |
1310 | GcdAllocateType,\r | |
1311 | GcdMemoryType,\r | |
1312 | (EFI_GCD_IO_TYPE) 0,\r | |
1313 | Alignment,\r | |
1314 | Length,\r | |
1315 | BaseAddress,\r | |
1316 | ImageHandle,\r | |
28a00297 | 1317 | DeviceHandle\r |
1318 | );\r | |
1319 | }\r | |
1320 | \r | |
162ed594 | 1321 | \r |
1322 | /**\r | |
1323 | Adds reserved memory, system memory, or memory-mapped I/O resources to the\r | |
1324 | global coherency domain of the processor.\r | |
1325 | \r | |
022c6d45 | 1326 | @param GcdMemoryType Memory type of the memory space.\r |
1327 | @param BaseAddress Base address of the memory space.\r | |
1328 | @param Length Length of the memory space.\r | |
1329 | @param Capabilities alterable attributes of the memory space.\r | |
162ed594 | 1330 | \r |
1331 | @retval EFI_SUCCESS Merged this memory space into GCD map.\r | |
1332 | \r | |
1333 | **/\r | |
28a00297 | 1334 | EFI_STATUS\r |
3b6ffb6a | 1335 | EFIAPI\r |
28a00297 | 1336 | CoreAddMemorySpace (\r |
1337 | IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
1338 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1339 | IN UINT64 Length,\r | |
1340 | IN UINT64 Capabilities\r | |
1341 | )\r | |
28a00297 | 1342 | {\r |
1343 | EFI_STATUS Status;\r | |
1344 | EFI_PHYSICAL_ADDRESS PageBaseAddress;\r | |
1345 | UINT64 PageLength;\r | |
1346 | \r | |
1347 | Status = CoreInternalAddMemorySpace (GcdMemoryType, BaseAddress, Length, Capabilities);\r | |
1348 | \r | |
1349 | if (!EFI_ERROR (Status) && GcdMemoryType == EfiGcdMemoryTypeSystemMemory) {\r | |
1350 | \r | |
1351 | PageBaseAddress = PageAlignLength (BaseAddress);\r | |
1352 | PageLength = PageAlignLength (BaseAddress + Length - PageBaseAddress);\r | |
1353 | \r | |
1354 | Status = CoreAllocateMemorySpace (\r | |
1355 | EfiGcdAllocateAddress,\r | |
1356 | GcdMemoryType,\r | |
022c6d45 | 1357 | EFI_PAGE_SHIFT,\r |
28a00297 | 1358 | PageLength,\r |
1359 | &PageBaseAddress,\r | |
1360 | gDxeCoreImageHandle,\r | |
1361 | NULL\r | |
1362 | );\r | |
1363 | \r | |
1364 | if (!EFI_ERROR (Status)) {\r | |
1365 | CoreAddMemoryDescriptor (\r | |
1366 | EfiConventionalMemory,\r | |
1367 | PageBaseAddress,\r | |
1368 | RShiftU64 (PageLength, EFI_PAGE_SHIFT),\r | |
1369 | Capabilities\r | |
1370 | );\r | |
1371 | } else {\r | |
1372 | for (; PageLength != 0; PageLength -= EFI_PAGE_SIZE, PageBaseAddress += EFI_PAGE_SIZE) {\r | |
1373 | Status = CoreAllocateMemorySpace (\r | |
1374 | EfiGcdAllocateAddress,\r | |
1375 | GcdMemoryType,\r | |
022c6d45 | 1376 | EFI_PAGE_SHIFT,\r |
28a00297 | 1377 | EFI_PAGE_SIZE,\r |
1378 | &PageBaseAddress,\r | |
1379 | gDxeCoreImageHandle,\r | |
1380 | NULL\r | |
1381 | );\r | |
1382 | \r | |
1383 | if (!EFI_ERROR (Status)) {\r | |
1384 | CoreAddMemoryDescriptor (\r | |
1385 | EfiConventionalMemory,\r | |
1386 | PageBaseAddress,\r | |
1387 | 1,\r | |
1388 | Capabilities\r | |
1389 | );\r | |
1390 | }\r | |
1391 | }\r | |
1392 | }\r | |
1393 | }\r | |
1394 | return Status;\r | |
1395 | }\r | |
1396 | \r | |
28a00297 | 1397 | \r |
162ed594 | 1398 | /**\r |
28a00297 | 1399 | Frees nonexistent memory, reserved memory, system memory, or memory-mapped\r |
162ed594 | 1400 | I/O resources from the global coherency domain of the processor.\r |
28a00297 | 1401 | \r |
022c6d45 | 1402 | @param BaseAddress Base address of the memory space.\r |
1403 | @param Length Length of the memory space.\r | |
28a00297 | 1404 | \r |
162ed594 | 1405 | @retval EFI_SUCCESS Space successfully freed.\r |
28a00297 | 1406 | \r |
162ed594 | 1407 | **/\r |
28a00297 | 1408 | EFI_STATUS\r |
3b6ffb6a | 1409 | EFIAPI\r |
162ed594 | 1410 | CoreFreeMemorySpace (\r |
28a00297 | 1411 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r |
1412 | IN UINT64 Length\r | |
1413 | )\r | |
162ed594 | 1414 | {\r |
f9d1f97c | 1415 | DEBUG ((DEBUG_GCD, "GCD:FreeMemorySpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1416 | \r | |
162ed594 | 1417 | return CoreConvertSpace (GCD_FREE_MEMORY_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, 0, 0);\r |
1418 | }\r | |
28a00297 | 1419 | \r |
28a00297 | 1420 | \r |
162ed594 | 1421 | /**\r |
28a00297 | 1422 | Removes reserved memory, system memory, or memory-mapped I/O resources from\r |
162ed594 | 1423 | the global coherency domain of the processor.\r |
28a00297 | 1424 | \r |
022c6d45 | 1425 | @param BaseAddress Base address of the memory space.\r |
1426 | @param Length Length of the memory space.\r | |
28a00297 | 1427 | \r |
162ed594 | 1428 | @retval EFI_SUCCESS Successfully remove a segment of memory space.\r |
28a00297 | 1429 | \r |
162ed594 | 1430 | **/\r |
1431 | EFI_STATUS\r | |
3b6ffb6a | 1432 | EFIAPI\r |
162ed594 | 1433 | CoreRemoveMemorySpace (\r |
1434 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1435 | IN UINT64 Length\r | |
1436 | )\r | |
28a00297 | 1437 | {\r |
f9d1f97c | 1438 | DEBUG ((DEBUG_GCD, "GCD:RemoveMemorySpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1439 | \r | |
28a00297 | 1440 | return CoreConvertSpace (GCD_REMOVE_MEMORY_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, 0, 0);\r |
1441 | }\r | |
1442 | \r | |
162ed594 | 1443 | \r |
1444 | /**\r | |
1445 | Build a memory descriptor according to an entry.\r | |
1446 | \r | |
022c6d45 | 1447 | @param Descriptor The descriptor to be built\r |
162ed594 | 1448 | @param Entry According to this entry\r |
1449 | \r | |
1450 | **/\r | |
28a00297 | 1451 | VOID\r |
1452 | BuildMemoryDescriptor (\r | |
1453 | IN OUT EFI_GCD_MEMORY_SPACE_DESCRIPTOR *Descriptor,\r | |
1454 | IN EFI_GCD_MAP_ENTRY *Entry\r | |
1455 | )\r | |
28a00297 | 1456 | {\r |
1457 | Descriptor->BaseAddress = Entry->BaseAddress;\r | |
1458 | Descriptor->Length = Entry->EndAddress - Entry->BaseAddress + 1;\r | |
1459 | Descriptor->Capabilities = Entry->Capabilities;\r | |
1460 | Descriptor->Attributes = Entry->Attributes;\r | |
1461 | Descriptor->GcdMemoryType = Entry->GcdMemoryType;\r | |
1462 | Descriptor->ImageHandle = Entry->ImageHandle;\r | |
1463 | Descriptor->DeviceHandle = Entry->DeviceHandle;\r | |
1464 | }\r | |
1465 | \r | |
28a00297 | 1466 | \r |
162ed594 | 1467 | /**\r |
28a00297 | 1468 | Retrieves the descriptor for a memory region containing a specified address.\r |
1469 | \r | |
022c6d45 | 1470 | @param BaseAddress Specified start address\r |
1471 | @param Descriptor Specified length\r | |
28a00297 | 1472 | \r |
022c6d45 | 1473 | @retval EFI_INVALID_PARAMETER Invalid parameter\r |
162ed594 | 1474 | @retval EFI_SUCCESS Successfully get memory space descriptor.\r |
28a00297 | 1475 | \r |
162ed594 | 1476 | **/\r |
1477 | EFI_STATUS\r | |
3b6ffb6a | 1478 | EFIAPI\r |
162ed594 | 1479 | CoreGetMemorySpaceDescriptor (\r |
1480 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1481 | OUT EFI_GCD_MEMORY_SPACE_DESCRIPTOR *Descriptor\r | |
1482 | )\r | |
28a00297 | 1483 | {\r |
1484 | EFI_STATUS Status;\r | |
1485 | LIST_ENTRY *StartLink;\r | |
1486 | LIST_ENTRY *EndLink;\r | |
1487 | EFI_GCD_MAP_ENTRY *Entry;\r | |
1488 | \r | |
1489 | //\r | |
1490 | // Make sure parameters are valid\r | |
1491 | //\r | |
1492 | if (Descriptor == NULL) {\r | |
1493 | return EFI_INVALID_PARAMETER;\r | |
1494 | }\r | |
1495 | \r | |
1496 | CoreAcquireGcdMemoryLock ();\r | |
1497 | \r | |
1498 | //\r | |
022c6d45 | 1499 | // Search for the list of descriptors that contain BaseAddress\r |
28a00297 | 1500 | //\r |
1501 | Status = CoreSearchGcdMapEntry (BaseAddress, 1, &StartLink, &EndLink, &mGcdMemorySpaceMap);\r | |
1502 | if (EFI_ERROR (Status)) {\r | |
1503 | Status = EFI_NOT_FOUND;\r | |
1504 | } else {\r | |
d2fbaaab | 1505 | ASSERT (StartLink != NULL && EndLink != NULL);\r |
28a00297 | 1506 | //\r |
1507 | // Copy the contents of the found descriptor into Descriptor\r | |
1508 | //\r | |
1509 | Entry = CR (StartLink, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1510 | BuildMemoryDescriptor (Descriptor, Entry);\r | |
1511 | }\r | |
1512 | \r | |
1513 | CoreReleaseGcdMemoryLock ();\r | |
1514 | \r | |
1515 | return Status;\r | |
1516 | }\r | |
1517 | \r | |
162ed594 | 1518 | \r |
1519 | /**\r | |
1520 | Modifies the attributes for a memory region in the global coherency domain of the\r | |
1521 | processor.\r | |
1522 | \r | |
022c6d45 | 1523 | @param BaseAddress Specified start address\r |
1524 | @param Length Specified length\r | |
1525 | @param Attributes Specified attributes\r | |
162ed594 | 1526 | \r |
022c6d45 | 1527 | @retval EFI_SUCCESS Successfully set attribute of a segment of\r |
162ed594 | 1528 | memory space.\r |
1529 | \r | |
1530 | **/\r | |
28a00297 | 1531 | EFI_STATUS\r |
3b6ffb6a | 1532 | EFIAPI\r |
28a00297 | 1533 | CoreSetMemorySpaceAttributes (\r |
1534 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1535 | IN UINT64 Length,\r | |
1536 | IN UINT64 Attributes\r | |
1537 | )\r | |
162ed594 | 1538 | {\r |
f9d1f97c | 1539 | DEBUG ((DEBUG_GCD, "GCD:SetMemorySpaceAttributes(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1540 | DEBUG ((DEBUG_GCD, " Attributes = %016lx\n", Attributes));\r | |
1541 | \r | |
162ed594 | 1542 | return CoreConvertSpace (GCD_SET_ATTRIBUTES_MEMORY_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, 0, Attributes);\r |
1543 | }\r | |
28a00297 | 1544 | \r |
28a00297 | 1545 | \r |
162ed594 | 1546 | /**\r |
1547 | Returns a map of the memory resources in the global coherency domain of the\r | |
1548 | processor.\r | |
28a00297 | 1549 | \r |
022c6d45 | 1550 | @param NumberOfDescriptors Number of descriptors.\r |
1551 | @param MemorySpaceMap Descriptor array\r | |
28a00297 | 1552 | \r |
022c6d45 | 1553 | @retval EFI_INVALID_PARAMETER Invalid parameter\r |
1554 | @retval EFI_OUT_OF_RESOURCES No enough buffer to allocate\r | |
162ed594 | 1555 | @retval EFI_SUCCESS Successfully get memory space map.\r |
28a00297 | 1556 | \r |
162ed594 | 1557 | **/\r |
28a00297 | 1558 | EFI_STATUS\r |
3b6ffb6a | 1559 | EFIAPI\r |
28a00297 | 1560 | CoreGetMemorySpaceMap (\r |
1561 | OUT UINTN *NumberOfDescriptors,\r | |
1562 | OUT EFI_GCD_MEMORY_SPACE_DESCRIPTOR **MemorySpaceMap\r | |
1563 | )\r | |
28a00297 | 1564 | {\r |
1565 | EFI_STATUS Status;\r | |
1566 | LIST_ENTRY *Link;\r | |
1567 | EFI_GCD_MAP_ENTRY *Entry;\r | |
1568 | EFI_GCD_MEMORY_SPACE_DESCRIPTOR *Descriptor;\r | |
1569 | \r | |
1570 | //\r | |
1571 | // Make sure parameters are valid\r | |
1572 | //\r | |
1573 | if (NumberOfDescriptors == NULL) {\r | |
1574 | return EFI_INVALID_PARAMETER;\r | |
1575 | }\r | |
1576 | if (MemorySpaceMap == NULL) {\r | |
1577 | return EFI_INVALID_PARAMETER;\r | |
1578 | }\r | |
1579 | \r | |
1580 | CoreAcquireGcdMemoryLock ();\r | |
1581 | \r | |
1582 | //\r | |
1583 | // Count the number of descriptors\r | |
1584 | //\r | |
1585 | *NumberOfDescriptors = CoreCountGcdMapEntry (&mGcdMemorySpaceMap);\r | |
1586 | \r | |
1587 | //\r | |
1588 | // Allocate the MemorySpaceMap\r | |
1589 | //\r | |
9c4ac31c | 1590 | *MemorySpaceMap = AllocatePool (*NumberOfDescriptors * sizeof (EFI_GCD_MEMORY_SPACE_DESCRIPTOR));\r |
28a00297 | 1591 | if (*MemorySpaceMap == NULL) {\r |
1592 | Status = EFI_OUT_OF_RESOURCES;\r | |
1593 | goto Done;\r | |
1594 | }\r | |
1595 | \r | |
1596 | //\r | |
1597 | // Fill in the MemorySpaceMap\r | |
1598 | //\r | |
1599 | Descriptor = *MemorySpaceMap;\r | |
1600 | Link = mGcdMemorySpaceMap.ForwardLink;\r | |
1601 | while (Link != &mGcdMemorySpaceMap) {\r | |
1602 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1603 | BuildMemoryDescriptor (Descriptor, Entry);\r | |
1604 | Descriptor++;\r | |
1605 | Link = Link->ForwardLink;\r | |
1606 | }\r | |
1607 | Status = EFI_SUCCESS;\r | |
1608 | \r | |
1609 | Done:\r | |
1610 | CoreReleaseGcdMemoryLock ();\r | |
1611 | return Status;\r | |
1612 | }\r | |
1613 | \r | |
162ed594 | 1614 | \r |
1615 | /**\r | |
1616 | Adds reserved I/O or I/O resources to the global coherency domain of the processor.\r | |
1617 | \r | |
022c6d45 | 1618 | @param GcdIoType IO type of the segment.\r |
1619 | @param BaseAddress Base address of the segment.\r | |
1620 | @param Length Length of the segment.\r | |
162ed594 | 1621 | \r |
022c6d45 | 1622 | @retval EFI_SUCCESS Merged this segment into GCD map.\r |
162ed594 | 1623 | @retval EFI_INVALID_PARAMETER Parameter not valid\r |
1624 | \r | |
1625 | **/\r | |
28a00297 | 1626 | EFI_STATUS\r |
3b6ffb6a | 1627 | EFIAPI\r |
28a00297 | 1628 | CoreAddIoSpace (\r |
1629 | IN EFI_GCD_IO_TYPE GcdIoType,\r | |
1630 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1631 | IN UINT64 Length\r | |
1632 | )\r | |
28a00297 | 1633 | {\r |
f9d1f97c | 1634 | DEBUG ((DEBUG_GCD, "GCD:AddIoSpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1635 | DEBUG ((DEBUG_GCD, " GcdIoType = %a\n", mGcdIoTypeNames[MIN (GcdIoType, EfiGcdIoTypeMaximum)]));\r | |
1636 | \r | |
28a00297 | 1637 | //\r |
1638 | // Make sure parameters are valid\r | |
1639 | //\r | |
1640 | if (GcdIoType <= EfiGcdIoTypeNonExistent || GcdIoType >= EfiGcdIoTypeMaximum) {\r | |
1641 | return EFI_INVALID_PARAMETER;\r | |
1642 | }\r | |
1643 | return CoreConvertSpace (GCD_ADD_IO_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, GcdIoType, BaseAddress, Length, 0, 0);\r | |
1644 | }\r | |
1645 | \r | |
162ed594 | 1646 | \r |
1647 | /**\r | |
1648 | Allocates nonexistent I/O, reserved I/O, or I/O resources from the global coherency\r | |
1649 | domain of the processor.\r | |
1650 | \r | |
022c6d45 | 1651 | @param GcdAllocateType The type of allocate operation\r |
1652 | @param GcdIoType The desired IO type\r | |
1653 | @param Alignment Align with 2^Alignment\r | |
1654 | @param Length Length to allocate\r | |
1655 | @param BaseAddress Base address to allocate\r | |
1656 | @param ImageHandle The image handle consume the allocated space.\r | |
1657 | @param DeviceHandle The device handle consume the allocated space.\r | |
162ed594 | 1658 | \r |
022c6d45 | 1659 | @retval EFI_INVALID_PARAMETER Invalid parameter.\r |
1660 | @retval EFI_NOT_FOUND No descriptor contains the desired space.\r | |
162ed594 | 1661 | @retval EFI_SUCCESS IO space successfully allocated.\r |
1662 | \r | |
1663 | **/\r | |
28a00297 | 1664 | EFI_STATUS\r |
3b6ffb6a | 1665 | EFIAPI\r |
28a00297 | 1666 | CoreAllocateIoSpace (\r |
1667 | IN EFI_GCD_ALLOCATE_TYPE GcdAllocateType,\r | |
1668 | IN EFI_GCD_IO_TYPE GcdIoType,\r | |
1669 | IN UINTN Alignment,\r | |
1670 | IN UINT64 Length,\r | |
1671 | IN OUT EFI_PHYSICAL_ADDRESS *BaseAddress,\r | |
1672 | IN EFI_HANDLE ImageHandle,\r | |
1673 | IN EFI_HANDLE DeviceHandle OPTIONAL\r | |
1674 | )\r | |
28a00297 | 1675 | {\r |
f9d1f97c | 1676 | DEBUG ((DEBUG_GCD, "GCD:AllocateIoSpace(Base=%016lx,Length=%016lx)\n", *BaseAddress, Length));\r |
1677 | DEBUG ((DEBUG_GCD, " GcdAllocateType = %a\n", mGcdAllocationTypeNames[MIN (GcdAllocateType, EfiGcdMaxAllocateType)]));\r | |
5d1cf216 | 1678 | DEBUG ((DEBUG_GCD, " GcdIoType = %a\n", mGcdIoTypeNames[MIN (GcdIoType, EfiGcdIoTypeMaximum)]));\r |
f9d1f97c | 1679 | DEBUG ((DEBUG_GCD, " Alignment = %016lx\n", LShiftU64 (1, Alignment)));\r |
1680 | DEBUG ((DEBUG_GCD, " ImageHandle = %p\n", ImageHandle));\r | |
1681 | DEBUG ((DEBUG_GCD, " DeviceHandle = %p\n", DeviceHandle));\r | |
1682 | \r | |
28a00297 | 1683 | return CoreAllocateSpace (\r |
022c6d45 | 1684 | GCD_ALLOCATE_IO_OPERATION,\r |
1685 | GcdAllocateType,\r | |
1686 | (EFI_GCD_MEMORY_TYPE) 0,\r | |
1687 | GcdIoType,\r | |
1688 | Alignment,\r | |
1689 | Length,\r | |
1690 | BaseAddress,\r | |
1691 | ImageHandle,\r | |
28a00297 | 1692 | DeviceHandle\r |
1693 | );\r | |
1694 | }\r | |
1695 | \r | |
28a00297 | 1696 | \r |
162ed594 | 1697 | /**\r |
28a00297 | 1698 | Frees nonexistent I/O, reserved I/O, or I/O resources from the global coherency\r |
162ed594 | 1699 | domain of the processor.\r |
28a00297 | 1700 | \r |
022c6d45 | 1701 | @param BaseAddress Base address of the segment.\r |
1702 | @param Length Length of the segment.\r | |
28a00297 | 1703 | \r |
162ed594 | 1704 | @retval EFI_SUCCESS Space successfully freed.\r |
28a00297 | 1705 | \r |
162ed594 | 1706 | **/\r |
28a00297 | 1707 | EFI_STATUS\r |
3b6ffb6a | 1708 | EFIAPI\r |
162ed594 | 1709 | CoreFreeIoSpace (\r |
28a00297 | 1710 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r |
1711 | IN UINT64 Length\r | |
1712 | )\r | |
162ed594 | 1713 | {\r |
f9d1f97c | 1714 | DEBUG ((DEBUG_GCD, "GCD:FreeIoSpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1715 | \r | |
162ed594 | 1716 | return CoreConvertSpace (GCD_FREE_IO_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, 0, 0);\r |
1717 | }\r | |
28a00297 | 1718 | \r |
28a00297 | 1719 | \r |
162ed594 | 1720 | /**\r |
28a00297 | 1721 | Removes reserved I/O or I/O resources from the global coherency domain of the\r |
162ed594 | 1722 | processor.\r |
28a00297 | 1723 | \r |
022c6d45 | 1724 | @param BaseAddress Base address of the segment.\r |
1725 | @param Length Length of the segment.\r | |
28a00297 | 1726 | \r |
162ed594 | 1727 | @retval EFI_SUCCESS Successfully removed a segment of IO space.\r |
28a00297 | 1728 | \r |
162ed594 | 1729 | **/\r |
1730 | EFI_STATUS\r | |
3b6ffb6a | 1731 | EFIAPI\r |
162ed594 | 1732 | CoreRemoveIoSpace (\r |
1733 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1734 | IN UINT64 Length\r | |
1735 | )\r | |
28a00297 | 1736 | {\r |
f9d1f97c | 1737 | DEBUG ((DEBUG_GCD, "GCD:RemoveIoSpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1738 | \r | |
28a00297 | 1739 | return CoreConvertSpace (GCD_REMOVE_IO_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, 0, 0);\r |
1740 | }\r | |
1741 | \r | |
162ed594 | 1742 | \r |
1743 | /**\r | |
1744 | Build a IO descriptor according to an entry.\r | |
1745 | \r | |
022c6d45 | 1746 | @param Descriptor The descriptor to be built\r |
162ed594 | 1747 | @param Entry According to this entry\r |
1748 | \r | |
1749 | **/\r | |
28a00297 | 1750 | VOID\r |
1751 | BuildIoDescriptor (\r | |
1752 | IN EFI_GCD_IO_SPACE_DESCRIPTOR *Descriptor,\r | |
1753 | IN EFI_GCD_MAP_ENTRY *Entry\r | |
1754 | )\r | |
28a00297 | 1755 | {\r |
1756 | Descriptor->BaseAddress = Entry->BaseAddress;\r | |
1757 | Descriptor->Length = Entry->EndAddress - Entry->BaseAddress + 1;\r | |
1758 | Descriptor->GcdIoType = Entry->GcdIoType;\r | |
1759 | Descriptor->ImageHandle = Entry->ImageHandle;\r | |
1760 | Descriptor->DeviceHandle = Entry->DeviceHandle;\r | |
1761 | }\r | |
1762 | \r | |
28a00297 | 1763 | \r |
162ed594 | 1764 | /**\r |
28a00297 | 1765 | Retrieves the descriptor for an I/O region containing a specified address.\r |
1766 | \r | |
022c6d45 | 1767 | @param BaseAddress Specified start address\r |
1768 | @param Descriptor Specified length\r | |
28a00297 | 1769 | \r |
022c6d45 | 1770 | @retval EFI_INVALID_PARAMETER Descriptor is NULL.\r |
162ed594 | 1771 | @retval EFI_SUCCESS Successfully get the IO space descriptor.\r |
28a00297 | 1772 | \r |
162ed594 | 1773 | **/\r |
1774 | EFI_STATUS\r | |
3b6ffb6a | 1775 | EFIAPI\r |
162ed594 | 1776 | CoreGetIoSpaceDescriptor (\r |
1777 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1778 | OUT EFI_GCD_IO_SPACE_DESCRIPTOR *Descriptor\r | |
1779 | )\r | |
28a00297 | 1780 | {\r |
1781 | EFI_STATUS Status;\r | |
1782 | LIST_ENTRY *StartLink;\r | |
1783 | LIST_ENTRY *EndLink;\r | |
1784 | EFI_GCD_MAP_ENTRY *Entry;\r | |
1785 | \r | |
1786 | //\r | |
1787 | // Make sure parameters are valid\r | |
1788 | //\r | |
1789 | if (Descriptor == NULL) {\r | |
1790 | return EFI_INVALID_PARAMETER;\r | |
1791 | }\r | |
1792 | \r | |
1793 | CoreAcquireGcdIoLock ();\r | |
1794 | \r | |
1795 | //\r | |
022c6d45 | 1796 | // Search for the list of descriptors that contain BaseAddress\r |
28a00297 | 1797 | //\r |
1798 | Status = CoreSearchGcdMapEntry (BaseAddress, 1, &StartLink, &EndLink, &mGcdIoSpaceMap);\r | |
1799 | if (EFI_ERROR (Status)) {\r | |
1800 | Status = EFI_NOT_FOUND;\r | |
1801 | } else {\r | |
d2fbaaab | 1802 | ASSERT (StartLink != NULL && EndLink != NULL);\r |
28a00297 | 1803 | //\r |
1804 | // Copy the contents of the found descriptor into Descriptor\r | |
1805 | //\r | |
1806 | Entry = CR (StartLink, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1807 | BuildIoDescriptor (Descriptor, Entry);\r | |
1808 | }\r | |
1809 | \r | |
1810 | CoreReleaseGcdIoLock ();\r | |
1811 | \r | |
1812 | return Status;\r | |
1813 | }\r | |
1814 | \r | |
28a00297 | 1815 | \r |
162ed594 | 1816 | /**\r |
28a00297 | 1817 | Returns a map of the I/O resources in the global coherency domain of the processor.\r |
1818 | \r | |
022c6d45 | 1819 | @param NumberOfDescriptors Number of descriptors.\r |
1820 | @param IoSpaceMap Descriptor array\r | |
28a00297 | 1821 | \r |
022c6d45 | 1822 | @retval EFI_INVALID_PARAMETER Invalid parameter\r |
1823 | @retval EFI_OUT_OF_RESOURCES No enough buffer to allocate\r | |
162ed594 | 1824 | @retval EFI_SUCCESS Successfully get IO space map.\r |
28a00297 | 1825 | \r |
162ed594 | 1826 | **/\r |
1827 | EFI_STATUS\r | |
3b6ffb6a | 1828 | EFIAPI\r |
162ed594 | 1829 | CoreGetIoSpaceMap (\r |
1830 | OUT UINTN *NumberOfDescriptors,\r | |
1831 | OUT EFI_GCD_IO_SPACE_DESCRIPTOR **IoSpaceMap\r | |
1832 | )\r | |
28a00297 | 1833 | {\r |
1834 | EFI_STATUS Status;\r | |
1835 | LIST_ENTRY *Link;\r | |
1836 | EFI_GCD_MAP_ENTRY *Entry;\r | |
1837 | EFI_GCD_IO_SPACE_DESCRIPTOR *Descriptor;\r | |
1838 | \r | |
1839 | //\r | |
1840 | // Make sure parameters are valid\r | |
1841 | //\r | |
1842 | if (NumberOfDescriptors == NULL) {\r | |
1843 | return EFI_INVALID_PARAMETER;\r | |
1844 | }\r | |
1845 | if (IoSpaceMap == NULL) {\r | |
1846 | return EFI_INVALID_PARAMETER;\r | |
1847 | }\r | |
1848 | \r | |
1849 | CoreAcquireGcdIoLock ();\r | |
1850 | \r | |
1851 | //\r | |
1852 | // Count the number of descriptors\r | |
1853 | //\r | |
1854 | *NumberOfDescriptors = CoreCountGcdMapEntry (&mGcdIoSpaceMap);\r | |
1855 | \r | |
1856 | //\r | |
1857 | // Allocate the IoSpaceMap\r | |
1858 | //\r | |
9c4ac31c | 1859 | *IoSpaceMap = AllocatePool (*NumberOfDescriptors * sizeof (EFI_GCD_IO_SPACE_DESCRIPTOR));\r |
28a00297 | 1860 | if (*IoSpaceMap == NULL) {\r |
1861 | Status = EFI_OUT_OF_RESOURCES;\r | |
1862 | goto Done;\r | |
1863 | }\r | |
1864 | \r | |
1865 | //\r | |
1866 | // Fill in the IoSpaceMap\r | |
1867 | //\r | |
1868 | Descriptor = *IoSpaceMap;\r | |
1869 | Link = mGcdIoSpaceMap.ForwardLink;\r | |
1870 | while (Link != &mGcdIoSpaceMap) {\r | |
1871 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1872 | BuildIoDescriptor (Descriptor, Entry);\r | |
1873 | Descriptor++;\r | |
1874 | Link = Link->ForwardLink;\r | |
1875 | }\r | |
1876 | Status = EFI_SUCCESS;\r | |
1877 | \r | |
1878 | Done:\r | |
1879 | CoreReleaseGcdIoLock ();\r | |
1880 | return Status;\r | |
022c6d45 | 1881 | }\r |
28a00297 | 1882 | \r |
aa927cae | 1883 | \r |
162ed594 | 1884 | /**\r |
1885 | Converts a Resource Descriptor HOB attributes mask to an EFI Memory Descriptor\r | |
1886 | capabilities mask\r | |
1887 | \r | |
022c6d45 | 1888 | @param GcdMemoryType Type of resource in the GCD memory map.\r |
1889 | @param Attributes The attribute mask in the Resource Descriptor\r | |
1890 | HOB.\r | |
162ed594 | 1891 | \r |
1892 | @return The capabilities mask for an EFI Memory Descriptor.\r | |
1893 | \r | |
1894 | **/\r | |
28a00297 | 1895 | UINT64\r |
1896 | CoreConvertResourceDescriptorHobAttributesToCapabilities (\r | |
1897 | EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
1898 | UINT64 Attributes\r | |
1899 | )\r | |
28a00297 | 1900 | {\r |
1901 | UINT64 Capabilities;\r | |
1902 | GCD_ATTRIBUTE_CONVERSION_ENTRY *Conversion;\r | |
022c6d45 | 1903 | \r |
28a00297 | 1904 | //\r |
1905 | // Convert the Resource HOB Attributes to an EFI Memory Capabilities mask\r | |
1906 | //\r | |
1907 | for (Capabilities = 0, Conversion = mAttributeConversionTable; Conversion->Attribute != 0; Conversion++) {\r | |
1908 | if (Conversion->Memory || (GcdMemoryType != EfiGcdMemoryTypeSystemMemory)) {\r | |
1909 | if (Attributes & Conversion->Attribute) {\r | |
1910 | Capabilities |= Conversion->Capability;\r | |
1911 | }\r | |
1912 | }\r | |
1913 | }\r | |
022c6d45 | 1914 | \r |
28a00297 | 1915 | return Capabilities;\r |
1916 | }\r | |
1917 | \r | |
28a00297 | 1918 | \r |
162ed594 | 1919 | /**\r |
c18f12d3 | 1920 | External function. Initializes memory services based on the memory\r |
1921 | descriptor HOBs. This function is responsible for priming the memory\r | |
1922 | map, so memory allocations and resource allocations can be made.\r | |
1923 | The first part of this function can not depend on any memory services\r | |
1924 | until at least one memory descriptor is provided to the memory services.\r | |
28a00297 | 1925 | \r |
022c6d45 | 1926 | @param HobStart The start address of the HOB.\r |
1927 | @param MemoryBaseAddress Start address of memory region found to init DXE\r | |
1928 | core.\r | |
1929 | @param MemoryLength Length of memory region found to init DXE core.\r | |
28a00297 | 1930 | \r |
162ed594 | 1931 | @retval EFI_SUCCESS Memory services successfully initialized.\r |
28a00297 | 1932 | \r |
162ed594 | 1933 | **/\r |
1934 | EFI_STATUS\r | |
1935 | CoreInitializeMemoryServices (\r | |
1936 | IN VOID **HobStart,\r | |
1937 | OUT EFI_PHYSICAL_ADDRESS *MemoryBaseAddress,\r | |
1938 | OUT UINT64 *MemoryLength\r | |
1939 | )\r | |
28a00297 | 1940 | {\r |
1941 | EFI_PEI_HOB_POINTERS Hob;\r | |
1942 | EFI_MEMORY_TYPE_INFORMATION *EfiMemoryTypeInformation;\r | |
1943 | UINTN DataSize;\r | |
1944 | BOOLEAN Found;\r | |
1945 | EFI_HOB_HANDOFF_INFO_TABLE *PhitHob;\r | |
1946 | EFI_HOB_RESOURCE_DESCRIPTOR *ResourceHob;\r | |
1947 | EFI_HOB_RESOURCE_DESCRIPTOR *PhitResourceHob;\r | |
1948 | EFI_PHYSICAL_ADDRESS BaseAddress;\r | |
1949 | UINT64 Length;\r | |
1950 | UINT64 Attributes;\r | |
1951 | UINT64 Capabilities;\r | |
1952 | EFI_PHYSICAL_ADDRESS MaxMemoryBaseAddress;\r | |
1953 | UINT64 MaxMemoryLength;\r | |
1954 | UINT64 MaxMemoryAttributes;\r | |
c4c085a2 | 1955 | EFI_PHYSICAL_ADDRESS TestedMemoryBaseAddress;\r |
1956 | UINT64 TestedMemoryLength;\r | |
28a00297 | 1957 | EFI_PHYSICAL_ADDRESS HighAddress;\r |
28a00297 | 1958 | EFI_HOB_GUID_TYPE *GuidHob;\r |
54ea99a7 | 1959 | UINT32 ReservedCodePageNumber;\r |
28a00297 | 1960 | \r |
1961 | //\r | |
1962 | // Point at the first HOB. This must be the PHIT HOB.\r | |
1963 | //\r | |
1964 | Hob.Raw = *HobStart;\r | |
1965 | ASSERT (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_HANDOFF);\r | |
1966 | \r | |
1967 | //\r | |
1968 | // Initialize the spin locks and maps in the memory services.\r | |
1969 | // Also fill in the memory services into the EFI Boot Services Table\r | |
1970 | //\r | |
1971 | CoreInitializePool ();\r | |
1972 | \r | |
1973 | //\r | |
1974 | // Initialize Local Variables\r | |
1975 | //\r | |
1976 | PhitResourceHob = NULL;\r | |
28a00297 | 1977 | ResourceHob = NULL;\r |
1978 | BaseAddress = 0;\r | |
1979 | Length = 0;\r | |
1980 | Attributes = 0;\r | |
1981 | MaxMemoryBaseAddress = 0;\r | |
1982 | MaxMemoryLength = 0;\r | |
1983 | MaxMemoryAttributes = 0;\r | |
1984 | \r | |
1985 | //\r | |
1986 | // Cache the PHIT HOB for later use\r | |
1987 | //\r | |
1988 | PhitHob = Hob.HandoffInformationTable;\r | |
54ea99a7 | 1989 | \r |
852081fc | 1990 | if (PcdGet64(PcdLoadModuleAtFixAddressEnable) != 0) {\r |
54ea99a7 | 1991 | ReservedCodePageNumber = PcdGet32(PcdLoadFixAddressRuntimeCodePageNumber);\r |
1992 | ReservedCodePageNumber += PcdGet32(PcdLoadFixAddressBootTimeCodePageNumber);\r | |
1993 | \r | |
1994 | //\r | |
1995 | // cache the Top address for loading modules at Fixed Address \r | |
1996 | //\r | |
1997 | gLoadModuleAtFixAddressConfigurationTable.DxeCodeTopAddress = PhitHob->EfiMemoryTop \r | |
1998 | + EFI_PAGES_TO_SIZE(ReservedCodePageNumber);\r | |
1999 | }\r | |
28a00297 | 2000 | //\r |
2001 | // See if a Memory Type Information HOB is available\r | |
2002 | //\r | |
2003 | GuidHob = GetFirstGuidHob (&gEfiMemoryTypeInformationGuid);\r | |
2004 | if (GuidHob != NULL) {\r | |
2005 | EfiMemoryTypeInformation = GET_GUID_HOB_DATA (GuidHob);\r | |
2006 | DataSize = GET_GUID_HOB_DATA_SIZE (GuidHob);\r | |
2007 | if (EfiMemoryTypeInformation != NULL && DataSize > 0 && DataSize <= (EfiMaxMemoryType + 1) * sizeof (EFI_MEMORY_TYPE_INFORMATION)) {\r | |
2008 | CopyMem (&gMemoryTypeInformation, EfiMemoryTypeInformation, DataSize);\r | |
2009 | }\r | |
2010 | }\r | |
2011 | \r | |
2012 | //\r | |
c4c085a2 | 2013 | // Find the Resource Descriptor HOB that contains PHIT range EfiFreeMemoryBottom..EfiFreeMemoryTop\r |
28a00297 | 2014 | //\r |
2015 | Length = 0;\r | |
2016 | Found = FALSE;\r | |
2017 | for (Hob.Raw = *HobStart; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {\r | |
c4c085a2 | 2018 | //\r |
2019 | // Skip all HOBs except Resource Descriptor HOBs\r | |
2020 | //\r | |
2021 | if (GET_HOB_TYPE (Hob) != EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {\r | |
2022 | continue;\r | |
2023 | }\r | |
28a00297 | 2024 | \r |
c4c085a2 | 2025 | //\r |
2026 | // Skip Resource Descriptor HOBs that do not describe tested system memory\r | |
2027 | //\r | |
2028 | ResourceHob = Hob.ResourceDescriptor;\r | |
2029 | if (ResourceHob->ResourceType != EFI_RESOURCE_SYSTEM_MEMORY) {\r | |
2030 | continue;\r | |
2031 | }\r | |
2032 | if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) != TESTED_MEMORY_ATTRIBUTES) {\r | |
2033 | continue;\r | |
2034 | }\r | |
2035 | \r | |
2036 | //\r | |
2037 | // Skip Resource Descriptor HOBs that do not contain the PHIT range EfiFreeMemoryBottom..EfiFreeMemoryTop\r | |
2038 | //\r | |
2039 | if (PhitHob->EfiFreeMemoryBottom < ResourceHob->PhysicalStart) {\r | |
2040 | continue;\r | |
2041 | }\r | |
2042 | if (PhitHob->EfiFreeMemoryTop > (ResourceHob->PhysicalStart + ResourceHob->ResourceLength)) {\r | |
2043 | continue;\r | |
2044 | }\r | |
2045 | \r | |
2046 | //\r | |
2047 | // Cache the resource descriptor HOB for the memory region described by the PHIT HOB\r | |
2048 | //\r | |
2049 | PhitResourceHob = ResourceHob;\r | |
2050 | Found = TRUE;\r | |
2051 | \r | |
2052 | //\r | |
2053 | // Compute range between PHIT EfiFreeMemoryTop and the end of the Resource Descriptor HOB\r | |
2054 | //\r | |
2055 | Attributes = PhitResourceHob->ResourceAttribute;\r | |
2056 | BaseAddress = PageAlignAddress (PhitHob->EfiMemoryTop);\r | |
2057 | Length = PageAlignLength (ResourceHob->PhysicalStart + ResourceHob->ResourceLength - BaseAddress);\r | |
2058 | if (Length < MINIMUM_INITIAL_MEMORY_SIZE) {\r | |
2059 | //\r | |
2060 | // If that range is not large enough to intialize the DXE Core, then \r | |
2061 | // Compute range between PHIT EfiFreeMemoryBottom and PHIT EfiFreeMemoryTop\r | |
2062 | //\r | |
2063 | BaseAddress = PageAlignAddress (PhitHob->EfiFreeMemoryBottom);\r | |
2064 | Length = PageAlignLength (PhitHob->EfiFreeMemoryTop - BaseAddress);\r | |
2065 | if (Length < MINIMUM_INITIAL_MEMORY_SIZE) {\r | |
2066 | //\r | |
2067 | // If that range is not large enough to intialize the DXE Core, then \r | |
2068 | // Compute range between the start of the Resource Descriptor HOB and the start of the HOB List\r | |
2069 | //\r | |
2070 | BaseAddress = PageAlignAddress (ResourceHob->PhysicalStart);\r | |
2071 | Length = PageAlignLength ((UINT64)((UINTN)*HobStart - BaseAddress));\r | |
28a00297 | 2072 | }\r |
2073 | }\r | |
c4c085a2 | 2074 | break;\r |
28a00297 | 2075 | }\r |
2076 | \r | |
2077 | //\r | |
2078 | // Assert if a resource descriptor HOB for the memory region described by the PHIT was not found\r | |
2079 | //\r | |
2080 | ASSERT (Found);\r | |
2081 | \r | |
2082 | //\r | |
2083 | // Search all the resource descriptor HOBs from the highest possible addresses down for a memory\r | |
2084 | // region that is big enough to initialize the DXE core. Always skip the PHIT Resource HOB.\r | |
2085 | // The max address must be within the physically addressible range for the processor.\r | |
2086 | //\r | |
c4c085a2 | 2087 | HighAddress = MAX_ADDRESS;\r |
2088 | for (Hob.Raw = *HobStart; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {\r | |
28a00297 | 2089 | //\r |
c4c085a2 | 2090 | // Skip the Resource Descriptor HOB that contains the PHIT\r |
28a00297 | 2091 | //\r |
c4c085a2 | 2092 | if (Hob.ResourceDescriptor == PhitResourceHob) {\r |
2093 | continue;\r | |
2094 | }\r | |
2095 | //\r | |
2096 | // Skip all HOBs except Resource Descriptor HOBs\r | |
2097 | //\r | |
2098 | if (GET_HOB_TYPE (Hob) != EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {\r | |
2099 | continue;\r | |
2100 | }\r | |
28a00297 | 2101 | \r |
c4c085a2 | 2102 | //\r |
2103 | // Skip Resource Descriptor HOBs that do not describe tested system memory below MAX_ADDRESS\r | |
2104 | //\r | |
2105 | ResourceHob = Hob.ResourceDescriptor;\r | |
2106 | if (ResourceHob->ResourceType != EFI_RESOURCE_SYSTEM_MEMORY) {\r | |
2107 | continue;\r | |
28a00297 | 2108 | }\r |
c4c085a2 | 2109 | if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) != TESTED_MEMORY_ATTRIBUTES) {\r |
2110 | continue;\r | |
2111 | }\r | |
2112 | if ((ResourceHob->PhysicalStart + ResourceHob->ResourceLength) > (EFI_PHYSICAL_ADDRESS)MAX_ADDRESS) {\r | |
2113 | continue;\r | |
28a00297 | 2114 | }\r |
c4c085a2 | 2115 | \r |
2116 | //\r | |
2117 | // Skip Resource Descriptor HOBs that are below a previously found Resource Descriptor HOB\r | |
2118 | //\r | |
2119 | if (HighAddress != (EFI_PHYSICAL_ADDRESS)MAX_ADDRESS && ResourceHob->PhysicalStart <= HighAddress) {\r | |
2120 | continue;\r | |
2121 | }\r | |
2122 | \r | |
2123 | //\r | |
2124 | // Skip Resource Descriptor HOBs that are not large enough to initilize the DXE Core\r | |
2125 | //\r | |
2126 | TestedMemoryBaseAddress = PageAlignAddress (ResourceHob->PhysicalStart);\r | |
2127 | TestedMemoryLength = PageAlignLength (ResourceHob->PhysicalStart + ResourceHob->ResourceLength - TestedMemoryBaseAddress);\r | |
2128 | if (TestedMemoryLength < MINIMUM_INITIAL_MEMORY_SIZE) {\r | |
2129 | continue;\r | |
2130 | }\r | |
2131 | \r | |
2132 | //\r | |
2133 | // Save the Resource Descriptor HOB context that is large enough to initilize the DXE Core\r | |
2134 | //\r | |
2135 | MaxMemoryBaseAddress = TestedMemoryBaseAddress;\r | |
2136 | MaxMemoryLength = TestedMemoryLength;\r | |
2137 | MaxMemoryAttributes = ResourceHob->ResourceAttribute; \r | |
2138 | HighAddress = ResourceHob->PhysicalStart;\r | |
2139 | }\r | |
28a00297 | 2140 | \r |
c4c085a2 | 2141 | //\r |
2142 | // If Length is not large enough to initialize the DXE Core or a Resource \r | |
2143 | // Descriptor HOB was found above the PHIT HOB that is large enough to initialize \r | |
2144 | // the DXE Core, then use the range described by the Resource Descriptor \r | |
2145 | // HOB that was found above the PHIT HOB.\r | |
2146 | //\r | |
e94a9ff7 | 2147 | if ((Length < MINIMUM_INITIAL_MEMORY_SIZE) ||\r |
2148 | (MaxMemoryBaseAddress > BaseAddress && MaxMemoryLength >= MINIMUM_INITIAL_MEMORY_SIZE)) {\r | |
28a00297 | 2149 | BaseAddress = MaxMemoryBaseAddress;\r |
2150 | Length = MaxMemoryLength;\r | |
2151 | Attributes = MaxMemoryAttributes;\r | |
2152 | }\r | |
2153 | \r | |
2154 | //\r | |
2155 | // If no memory regions are found that are big enough to initialize the DXE core, then ASSERT().\r | |
2156 | //\r | |
2157 | ASSERT (Length >= MINIMUM_INITIAL_MEMORY_SIZE);\r | |
2158 | \r | |
2159 | //\r | |
2160 | // Convert the Resource HOB Attributes to an EFI Memory Capabilities mask\r | |
2161 | //\r | |
2162 | Capabilities = CoreConvertResourceDescriptorHobAttributesToCapabilities (EfiGcdMemoryTypeSystemMemory, Attributes);\r | |
2163 | \r | |
2164 | //\r | |
2165 | // Declare the very first memory region, so the EFI Memory Services are available.\r | |
2166 | //\r | |
2167 | CoreAddMemoryDescriptor (\r | |
2168 | EfiConventionalMemory,\r | |
2169 | BaseAddress,\r | |
2170 | RShiftU64 (Length, EFI_PAGE_SHIFT),\r | |
2171 | Capabilities\r | |
2172 | );\r | |
2173 | \r | |
2174 | *MemoryBaseAddress = BaseAddress;\r | |
2175 | *MemoryLength = Length;\r | |
2176 | \r | |
2177 | return EFI_SUCCESS;\r | |
2178 | }\r | |
2179 | \r | |
28a00297 | 2180 | \r |
162ed594 | 2181 | /**\r |
2182 | External function. Initializes the GCD and memory services based on the memory\r | |
28a00297 | 2183 | descriptor HOBs. This function is responsible for priming the GCD map and the\r |
c18f12d3 | 2184 | memory map, so memory allocations and resource allocations can be made. The\r |
2185 | HobStart will be relocated to a pool buffer.\r | |
28a00297 | 2186 | \r |
022c6d45 | 2187 | @param HobStart The start address of the HOB\r |
2188 | @param MemoryBaseAddress Start address of memory region found to init DXE\r | |
2189 | core.\r | |
2190 | @param MemoryLength Length of memory region found to init DXE core.\r | |
28a00297 | 2191 | \r |
162ed594 | 2192 | @retval EFI_SUCCESS GCD services successfully initialized.\r |
28a00297 | 2193 | \r |
162ed594 | 2194 | **/\r |
2195 | EFI_STATUS\r | |
2196 | CoreInitializeGcdServices (\r | |
e94a9ff7 | 2197 | IN OUT VOID **HobStart,\r |
162ed594 | 2198 | IN EFI_PHYSICAL_ADDRESS MemoryBaseAddress,\r |
2199 | IN UINT64 MemoryLength\r | |
2200 | )\r | |
28a00297 | 2201 | {\r |
e94a9ff7 | 2202 | EFI_PEI_HOB_POINTERS Hob;\r |
28a00297 | 2203 | VOID *NewHobList;\r |
e94a9ff7 | 2204 | EFI_HOB_HANDOFF_INFO_TABLE *PhitHob;\r |
28a00297 | 2205 | UINT8 SizeOfMemorySpace;\r |
2206 | UINT8 SizeOfIoSpace;\r | |
2207 | EFI_HOB_RESOURCE_DESCRIPTOR *ResourceHob;\r | |
2208 | EFI_PHYSICAL_ADDRESS BaseAddress;\r | |
2209 | UINT64 Length;\r | |
2210 | EFI_STATUS Status;\r | |
2211 | EFI_GCD_MAP_ENTRY *Entry;\r | |
2212 | EFI_GCD_MEMORY_TYPE GcdMemoryType;\r | |
2213 | EFI_GCD_IO_TYPE GcdIoType;\r | |
2214 | EFI_GCD_MEMORY_SPACE_DESCRIPTOR Descriptor;\r | |
2215 | EFI_HOB_MEMORY_ALLOCATION *MemoryHob;\r | |
2216 | EFI_HOB_FIRMWARE_VOLUME *FirmwareVolumeHob;\r | |
2217 | UINTN NumberOfDescriptors;\r | |
2218 | EFI_GCD_MEMORY_SPACE_DESCRIPTOR *MemorySpaceMap;\r | |
2219 | UINTN Index;\r | |
2220 | UINT64 Capabilities;\r | |
2221 | EFI_HOB_CPU * CpuHob;\r | |
e94a9ff7 | 2222 | \r |
28a00297 | 2223 | //\r |
2224 | // Cache the PHIT HOB for later use\r | |
2225 | //\r | |
2226 | PhitHob = (EFI_HOB_HANDOFF_INFO_TABLE *)(*HobStart);\r | |
2227 | \r | |
2228 | //\r | |
2229 | // Get the number of address lines in the I/O and Memory space for the CPU\r | |
2230 | //\r | |
2231 | CpuHob = GetFirstHob (EFI_HOB_TYPE_CPU);\r | |
2232 | ASSERT (CpuHob != NULL);\r | |
2233 | SizeOfMemorySpace = CpuHob->SizeOfMemorySpace;\r | |
2234 | SizeOfIoSpace = CpuHob->SizeOfIoSpace;\r | |
022c6d45 | 2235 | \r |
28a00297 | 2236 | //\r |
2237 | // Initialize the GCD Memory Space Map\r | |
2238 | //\r | |
9c4ac31c | 2239 | Entry = AllocateCopyPool (sizeof (EFI_GCD_MAP_ENTRY), &mGcdMemorySpaceMapEntryTemplate);\r |
28a00297 | 2240 | ASSERT (Entry != NULL);\r |
2241 | \r | |
2242 | Entry->EndAddress = LShiftU64 (1, SizeOfMemorySpace) - 1;\r | |
2243 | \r | |
2244 | InsertHeadList (&mGcdMemorySpaceMap, &Entry->Link);\r | |
2245 | \r | |
aa927cae | 2246 | CoreDumpGcdMemorySpaceMap (TRUE);\r |
f9d1f97c | 2247 | \r |
28a00297 | 2248 | //\r |
2249 | // Initialize the GCD I/O Space Map\r | |
2250 | //\r | |
9c4ac31c | 2251 | Entry = AllocateCopyPool (sizeof (EFI_GCD_MAP_ENTRY), &mGcdIoSpaceMapEntryTemplate);\r |
28a00297 | 2252 | ASSERT (Entry != NULL);\r |
2253 | \r | |
2254 | Entry->EndAddress = LShiftU64 (1, SizeOfIoSpace) - 1;\r | |
2255 | \r | |
2256 | InsertHeadList (&mGcdIoSpaceMap, &Entry->Link);\r | |
2257 | \r | |
aa927cae | 2258 | CoreDumpGcdIoSpaceMap (TRUE);\r |
f9d1f97c | 2259 | \r |
28a00297 | 2260 | //\r |
022c6d45 | 2261 | // Walk the HOB list and add all resource descriptors to the GCD\r |
28a00297 | 2262 | //\r |
2263 | for (Hob.Raw = *HobStart; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {\r | |
2264 | \r | |
2265 | GcdMemoryType = EfiGcdMemoryTypeNonExistent;\r | |
2266 | GcdIoType = EfiGcdIoTypeNonExistent;\r | |
2267 | \r | |
2268 | if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {\r | |
2269 | \r | |
2270 | ResourceHob = Hob.ResourceDescriptor;\r | |
2271 | \r | |
2272 | switch (ResourceHob->ResourceType) {\r | |
2273 | case EFI_RESOURCE_SYSTEM_MEMORY:\r | |
2274 | if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) == TESTED_MEMORY_ATTRIBUTES) {\r | |
2275 | GcdMemoryType = EfiGcdMemoryTypeSystemMemory;\r | |
2276 | }\r | |
2277 | if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) == INITIALIZED_MEMORY_ATTRIBUTES) {\r | |
2278 | GcdMemoryType = EfiGcdMemoryTypeReserved;\r | |
2279 | }\r | |
2280 | if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) == PRESENT_MEMORY_ATTRIBUTES) {\r | |
2281 | GcdMemoryType = EfiGcdMemoryTypeReserved;\r | |
2282 | }\r | |
2283 | break;\r | |
2284 | case EFI_RESOURCE_MEMORY_MAPPED_IO:\r | |
2285 | case EFI_RESOURCE_FIRMWARE_DEVICE:\r | |
2286 | GcdMemoryType = EfiGcdMemoryTypeMemoryMappedIo;\r | |
2287 | break;\r | |
2288 | case EFI_RESOURCE_MEMORY_MAPPED_IO_PORT:\r | |
2289 | case EFI_RESOURCE_MEMORY_RESERVED:\r | |
2290 | GcdMemoryType = EfiGcdMemoryTypeReserved;\r | |
2291 | break;\r | |
2292 | case EFI_RESOURCE_IO:\r | |
2293 | GcdIoType = EfiGcdIoTypeIo;\r | |
2294 | break;\r | |
2295 | case EFI_RESOURCE_IO_RESERVED:\r | |
2296 | GcdIoType = EfiGcdIoTypeReserved;\r | |
2297 | break;\r | |
2298 | }\r | |
2299 | \r | |
2300 | if (GcdMemoryType != EfiGcdMemoryTypeNonExistent) {\r | |
d12a2ecb | 2301 | //\r |
2302 | // Validate the Resource HOB Attributes\r | |
2303 | //\r | |
2304 | CoreValidateResourceDescriptorHobAttributes (ResourceHob->ResourceAttribute);\r | |
2305 | \r | |
28a00297 | 2306 | //\r |
2307 | // Convert the Resource HOB Attributes to an EFI Memory Capabilities mask\r | |
2308 | //\r | |
2309 | Capabilities = CoreConvertResourceDescriptorHobAttributesToCapabilities (\r | |
2310 | GcdMemoryType,\r | |
2311 | ResourceHob->ResourceAttribute\r | |
2312 | );\r | |
2313 | \r | |
2314 | Status = CoreInternalAddMemorySpace (\r | |
2315 | GcdMemoryType,\r | |
2316 | ResourceHob->PhysicalStart,\r | |
2317 | ResourceHob->ResourceLength,\r | |
2318 | Capabilities\r | |
2319 | );\r | |
2320 | }\r | |
2321 | \r | |
2322 | if (GcdIoType != EfiGcdIoTypeNonExistent) {\r | |
2323 | Status = CoreAddIoSpace (\r | |
2324 | GcdIoType,\r | |
2325 | ResourceHob->PhysicalStart,\r | |
2326 | ResourceHob->ResourceLength\r | |
2327 | );\r | |
2328 | }\r | |
2329 | }\r | |
2330 | }\r | |
2331 | \r | |
2332 | //\r | |
2333 | // Allocate first memory region from the GCD by the DXE core\r | |
2334 | //\r | |
2335 | Status = CoreAllocateMemorySpace (\r | |
2336 | EfiGcdAllocateAddress,\r | |
2337 | EfiGcdMemoryTypeSystemMemory,\r | |
2338 | 0,\r | |
2339 | MemoryLength,\r | |
2340 | &MemoryBaseAddress,\r | |
2341 | gDxeCoreImageHandle,\r | |
2342 | NULL\r | |
2343 | );\r | |
2344 | \r | |
2345 | //\r | |
2346 | // Walk the HOB list and allocate all memory space that is consumed by memory allocation HOBs,\r | |
2347 | // and Firmware Volume HOBs. Also update the EFI Memory Map with the memory allocation HOBs.\r | |
2348 | //\r | |
2349 | for (Hob.Raw = *HobStart; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {\r | |
2350 | if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_MEMORY_ALLOCATION) {\r | |
2351 | MemoryHob = Hob.MemoryAllocation;\r | |
2352 | BaseAddress = MemoryHob->AllocDescriptor.MemoryBaseAddress;\r | |
f942f107 | 2353 | Status = CoreGetMemorySpaceDescriptor (BaseAddress, &Descriptor);\r |
28a00297 | 2354 | if (!EFI_ERROR (Status)) {\r |
f942f107 | 2355 | Status = CoreAllocateMemorySpace (\r |
2356 | EfiGcdAllocateAddress,\r | |
022c6d45 | 2357 | Descriptor.GcdMemoryType,\r |
f942f107 | 2358 | 0,\r |
2359 | MemoryHob->AllocDescriptor.MemoryLength,\r | |
2360 | &BaseAddress,\r | |
2361 | gDxeCoreImageHandle,\r | |
2362 | NULL\r | |
2363 | );\r | |
2364 | if (!EFI_ERROR (Status) && Descriptor.GcdMemoryType == EfiGcdMemoryTypeSystemMemory) {\r | |
28a00297 | 2365 | CoreAddMemoryDescriptor (\r |
2366 | MemoryHob->AllocDescriptor.MemoryType,\r | |
2367 | MemoryHob->AllocDescriptor.MemoryBaseAddress,\r | |
2368 | RShiftU64 (MemoryHob->AllocDescriptor.MemoryLength, EFI_PAGE_SHIFT),\r | |
2369 | Descriptor.Capabilities & (~EFI_MEMORY_RUNTIME)\r | |
2370 | );\r | |
2371 | }\r | |
2372 | }\r | |
2373 | }\r | |
2374 | \r | |
2375 | if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_FV) {\r | |
2376 | FirmwareVolumeHob = Hob.FirmwareVolume;\r | |
2377 | BaseAddress = FirmwareVolumeHob->BaseAddress;\r | |
2378 | Status = CoreAllocateMemorySpace (\r | |
2379 | EfiGcdAllocateAddress,\r | |
022c6d45 | 2380 | EfiGcdMemoryTypeMemoryMappedIo,\r |
28a00297 | 2381 | 0,\r |
2382 | FirmwareVolumeHob->Length,\r | |
2383 | &BaseAddress,\r | |
2384 | gDxeCoreImageHandle,\r | |
2385 | NULL\r | |
2386 | );\r | |
2387 | }\r | |
2388 | }\r | |
2389 | \r | |
2390 | //\r | |
2391 | // Relocate HOB List to an allocated pool buffer.\r | |
2392 | //\r | |
9c4ac31c | 2393 | NewHobList = AllocateCopyPool (\r |
022c6d45 | 2394 | (UINTN)PhitHob->EfiFreeMemoryBottom - (UINTN)(*HobStart),\r |
28a00297 | 2395 | *HobStart\r |
2396 | );\r | |
2397 | ASSERT (NewHobList != NULL);\r | |
2398 | \r | |
2399 | *HobStart = NewHobList;\r | |
05339bd7 | 2400 | gHobList = NewHobList;\r |
28a00297 | 2401 | \r |
2402 | //\r | |
2403 | // Add and allocate the remaining unallocated system memory to the memory services.\r | |
2404 | //\r | |
2405 | Status = CoreGetMemorySpaceMap (&NumberOfDescriptors, &MemorySpaceMap);\r | |
311a71b2 | 2406 | ASSERT (Status == EFI_SUCCESS);\r |
2407 | \r | |
28a00297 | 2408 | for (Index = 0; Index < NumberOfDescriptors; Index++) {\r |
2409 | if (MemorySpaceMap[Index].GcdMemoryType == EfiGcdMemoryTypeSystemMemory) {\r | |
2410 | if (MemorySpaceMap[Index].ImageHandle == NULL) {\r | |
2411 | BaseAddress = PageAlignAddress (MemorySpaceMap[Index].BaseAddress);\r | |
2412 | Length = PageAlignLength (MemorySpaceMap[Index].BaseAddress + MemorySpaceMap[Index].Length - BaseAddress);\r | |
383c303c | 2413 | if (Length == 0 || MemorySpaceMap[Index].BaseAddress + MemorySpaceMap[Index].Length < BaseAddress) {\r |
2414 | continue;\r | |
2415 | }\r | |
28a00297 | 2416 | CoreAddMemoryDescriptor (\r |
2417 | EfiConventionalMemory,\r | |
2418 | BaseAddress,\r | |
2419 | RShiftU64 (Length, EFI_PAGE_SHIFT),\r | |
2420 | MemorySpaceMap[Index].Capabilities & (~EFI_MEMORY_RUNTIME)\r | |
2421 | );\r | |
2422 | Status = CoreAllocateMemorySpace (\r | |
2423 | EfiGcdAllocateAddress,\r | |
2424 | EfiGcdMemoryTypeSystemMemory,\r | |
2425 | 0,\r | |
2426 | Length,\r | |
2427 | &BaseAddress,\r | |
2428 | gDxeCoreImageHandle,\r | |
2429 | NULL\r | |
2430 | );\r | |
2431 | }\r | |
2432 | }\r | |
2433 | }\r | |
2434 | CoreFreePool (MemorySpaceMap);\r | |
2435 | \r | |
2436 | return EFI_SUCCESS;\r | |
2437 | }\r |