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23c98c94 | 1 | /** @file\r |
2 | The file contains the GCD related services in the EFI Boot Services Table.\r | |
022c6d45 | 3 | The GCD services are used to manage the memory and I/O regions that\r |
e94a9ff7 | 4 | are accessible to the CPU that is executing the DXE core.\r |
504214c4 | 5 | \r |
a671a012 | 6 | Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR>\r |
cd5ebaa0 | 7 | This program and the accompanying materials\r |
23c98c94 | 8 | are licensed and made available under the terms and conditions of the BSD License\r |
9 | which accompanies this distribution. The full text of the license may be found at\r | |
10 | http://opensource.org/licenses/bsd-license.php\r | |
11 | \r | |
12 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
13 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
28a00297 | 14 | \r |
504214c4 | 15 | **/\r |
28a00297 | 16 | \r |
9c4ac31c | 17 | #include "DxeMain.h"\r |
ec90508b | 18 | #include "Gcd.h"\r |
28a00297 | 19 | \r |
20 | #define MINIMUM_INITIAL_MEMORY_SIZE 0x10000\r | |
21 | \r | |
22 | #define MEMORY_ATTRIBUTE_MASK (EFI_RESOURCE_ATTRIBUTE_PRESENT | \\r | |
23 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED | \\r | |
24 | EFI_RESOURCE_ATTRIBUTE_TESTED | \\r | |
25 | EFI_RESOURCE_ATTRIBUTE_READ_PROTECTED | \\r | |
26 | EFI_RESOURCE_ATTRIBUTE_WRITE_PROTECTED | \\r | |
27 | EFI_RESOURCE_ATTRIBUTE_EXECUTION_PROTECTED | \\r | |
6db13692 | 28 | EFI_RESOURCE_ATTRIBUTE_READ_ONLY_PROTECTED | \\r |
28a00297 | 29 | EFI_RESOURCE_ATTRIBUTE_16_BIT_IO | \\r |
30 | EFI_RESOURCE_ATTRIBUTE_32_BIT_IO | \\r | |
a671a012 LG |
31 | EFI_RESOURCE_ATTRIBUTE_64_BIT_IO | \\r |
32 | EFI_RESOURCE_ATTRIBUTE_PERSISTENT )\r | |
28a00297 | 33 | \r |
34 | #define TESTED_MEMORY_ATTRIBUTES (EFI_RESOURCE_ATTRIBUTE_PRESENT | \\r | |
35 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED | \\r | |
36 | EFI_RESOURCE_ATTRIBUTE_TESTED )\r | |
37 | \r | |
38 | #define INITIALIZED_MEMORY_ATTRIBUTES (EFI_RESOURCE_ATTRIBUTE_PRESENT | \\r | |
39 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED )\r | |
40 | \r | |
41 | #define PRESENT_MEMORY_ATTRIBUTES (EFI_RESOURCE_ATTRIBUTE_PRESENT)\r | |
42 | \r | |
43 | #define INVALID_CPU_ARCH_ATTRIBUTES 0xffffffff\r | |
44 | \r | |
45 | //\r | |
46 | // Module Variables\r | |
47 | //\r | |
48 | EFI_LOCK mGcdMemorySpaceLock = EFI_INITIALIZE_LOCK_VARIABLE (TPL_NOTIFY);\r | |
49 | EFI_LOCK mGcdIoSpaceLock = EFI_INITIALIZE_LOCK_VARIABLE (TPL_NOTIFY);\r | |
50 | LIST_ENTRY mGcdMemorySpaceMap = INITIALIZE_LIST_HEAD_VARIABLE (mGcdMemorySpaceMap);\r | |
51 | LIST_ENTRY mGcdIoSpaceMap = INITIALIZE_LIST_HEAD_VARIABLE (mGcdIoSpaceMap);\r | |
52 | \r | |
53 | EFI_GCD_MAP_ENTRY mGcdMemorySpaceMapEntryTemplate = {\r | |
54 | EFI_GCD_MAP_SIGNATURE,\r | |
022c6d45 | 55 | {\r |
e94a9ff7 | 56 | NULL,\r |
57 | NULL\r | |
58 | },\r | |
28a00297 | 59 | 0,\r |
60 | 0,\r | |
61 | 0,\r | |
62 | 0,\r | |
63 | EfiGcdMemoryTypeNonExistent,\r | |
64 | (EFI_GCD_IO_TYPE) 0,\r | |
65 | NULL,\r | |
66 | NULL\r | |
67 | };\r | |
68 | \r | |
69 | EFI_GCD_MAP_ENTRY mGcdIoSpaceMapEntryTemplate = {\r | |
70 | EFI_GCD_MAP_SIGNATURE,\r | |
e94a9ff7 | 71 | {\r |
72 | NULL,\r | |
73 | NULL\r | |
74 | },\r | |
28a00297 | 75 | 0,\r |
76 | 0,\r | |
77 | 0,\r | |
78 | 0,\r | |
79 | (EFI_GCD_MEMORY_TYPE) 0,\r | |
80 | EfiGcdIoTypeNonExistent,\r | |
81 | NULL,\r | |
82 | NULL\r | |
83 | };\r | |
84 | \r | |
85 | GCD_ATTRIBUTE_CONVERSION_ENTRY mAttributeConversionTable[] = {\r | |
86 | { EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE, EFI_MEMORY_UC, TRUE },\r | |
022c6d45 | 87 | { EFI_RESOURCE_ATTRIBUTE_UNCACHED_EXPORTED, EFI_MEMORY_UCE, TRUE },\r |
28a00297 | 88 | { EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE, EFI_MEMORY_WC, TRUE },\r |
89 | { EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE, EFI_MEMORY_WT, TRUE },\r | |
90 | { EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE, EFI_MEMORY_WB, TRUE },\r | |
d12a2ecb | 91 | { EFI_RESOURCE_ATTRIBUTE_READ_PROTECTABLE, EFI_MEMORY_RP, TRUE },\r |
92 | { EFI_RESOURCE_ATTRIBUTE_WRITE_PROTECTABLE, EFI_MEMORY_WP, TRUE },\r | |
93 | { EFI_RESOURCE_ATTRIBUTE_EXECUTION_PROTECTABLE, EFI_MEMORY_XP, TRUE },\r | |
6db13692 | 94 | { EFI_RESOURCE_ATTRIBUTE_READ_ONLY_PROTECTABLE, EFI_MEMORY_RO, TRUE },\r |
28a00297 | 95 | { EFI_RESOURCE_ATTRIBUTE_PRESENT, EFI_MEMORY_PRESENT, FALSE },\r |
96 | { EFI_RESOURCE_ATTRIBUTE_INITIALIZED, EFI_MEMORY_INITIALIZED, FALSE },\r | |
97 | { EFI_RESOURCE_ATTRIBUTE_TESTED, EFI_MEMORY_TESTED, FALSE },\r | |
a671a012 | 98 | { EFI_RESOURCE_ATTRIBUTE_PERSISTABLE, EFI_MEMORY_NV, TRUE },\r |
e94a9ff7 | 99 | { 0, 0, FALSE }\r |
28a00297 | 100 | };\r |
101 | \r | |
f9d1f97c | 102 | ///\r |
103 | /// Lookup table used to print GCD Memory Space Map\r | |
104 | ///\r | |
105 | GLOBAL_REMOVE_IF_UNREFERENCED CONST CHAR8 *mGcdMemoryTypeNames[] = {\r | |
106 | "NonExist ", // EfiGcdMemoryTypeNonExistent\r | |
107 | "Reserved ", // EfiGcdMemoryTypeReserved\r | |
108 | "SystemMem", // EfiGcdMemoryTypeSystemMemory\r | |
109 | "MMIO ", // EfiGcdMemoryTypeMemoryMappedIo\r | |
a671a012 | 110 | "PersistentMem",// EfiGcdMemoryTypePersistentMemory\r |
f9d1f97c | 111 | "Unknown " // EfiGcdMemoryTypeMaximum\r |
112 | };\r | |
113 | \r | |
114 | ///\r | |
115 | /// Lookup table used to print GCD I/O Space Map\r | |
116 | ///\r | |
117 | GLOBAL_REMOVE_IF_UNREFERENCED CONST CHAR8 *mGcdIoTypeNames[] = {\r | |
118 | "NonExist", // EfiGcdIoTypeNonExistent\r | |
119 | "Reserved", // EfiGcdIoTypeReserved\r | |
120 | "I/O ", // EfiGcdIoTypeIo\r | |
121 | "Unknown " // EfiGcdIoTypeMaximum \r | |
122 | };\r | |
123 | \r | |
124 | ///\r | |
125 | /// Lookup table used to print GCD Allocation Types\r | |
126 | ///\r | |
127 | GLOBAL_REMOVE_IF_UNREFERENCED CONST CHAR8 *mGcdAllocationTypeNames[] = {\r | |
128 | "AnySearchBottomUp ", // EfiGcdAllocateAnySearchBottomUp\r | |
129 | "MaxAddressSearchBottomUp ", // EfiGcdAllocateMaxAddressSearchBottomUp\r | |
130 | "AtAddress ", // EfiGcdAllocateAddress\r | |
131 | "AnySearchTopDown ", // EfiGcdAllocateAnySearchTopDown\r | |
132 | "MaxAddressSearchTopDown ", // EfiGcdAllocateMaxAddressSearchTopDown\r | |
133 | "Unknown " // EfiGcdMaxAllocateType\r | |
134 | };\r | |
135 | \r | |
136 | /**\r | |
137 | Dump the entire contents if the GCD Memory Space Map using DEBUG() macros when\r | |
138 | PcdDebugPrintErrorLevel has the DEBUG_GCD bit set.\r | |
139 | \r | |
aa927cae | 140 | @param InitialMap TRUE if the initial GCD Memory Map is being dumped. Otherwise, FALSE.\r |
141 | \r | |
f9d1f97c | 142 | **/\r |
143 | VOID\r | |
144 | EFIAPI\r | |
145 | CoreDumpGcdMemorySpaceMap (\r | |
aa927cae | 146 | BOOLEAN InitialMap\r |
f9d1f97c | 147 | )\r |
148 | {\r | |
aa927cae | 149 | DEBUG_CODE (\r |
150 | EFI_STATUS Status;\r | |
151 | UINTN NumberOfDescriptors;\r | |
152 | EFI_GCD_MEMORY_SPACE_DESCRIPTOR *MemorySpaceMap;\r | |
153 | UINTN Index;\r | |
154 | \r | |
155 | Status = CoreGetMemorySpaceMap (&NumberOfDescriptors, &MemorySpaceMap);\r | |
3d267c70 | 156 | ASSERT (Status == EFI_SUCCESS && MemorySpaceMap != NULL);\r |
aa927cae | 157 | \r |
158 | if (InitialMap) {\r | |
159 | DEBUG ((DEBUG_GCD, "GCD:Initial GCD Memory Space Map\n"));\r | |
160 | }\r | |
161 | DEBUG ((DEBUG_GCD, "GCDMemType Range Capabilities Attributes \n"));\r | |
162 | DEBUG ((DEBUG_GCD, "========== ================================= ================ ================\n"));\r | |
163 | for (Index = 0; Index < NumberOfDescriptors; Index++) {\r | |
164 | DEBUG ((DEBUG_GCD, "%a %016lx-%016lx %016lx %016lx%c\n", \r | |
165 | mGcdMemoryTypeNames[MIN (MemorySpaceMap[Index].GcdMemoryType, EfiGcdMemoryTypeMaximum)],\r | |
166 | MemorySpaceMap[Index].BaseAddress, \r | |
167 | MemorySpaceMap[Index].BaseAddress + MemorySpaceMap[Index].Length - 1,\r | |
168 | MemorySpaceMap[Index].Capabilities, \r | |
169 | MemorySpaceMap[Index].Attributes,\r | |
170 | MemorySpaceMap[Index].ImageHandle == NULL ? ' ' : '*'\r | |
171 | ));\r | |
172 | }\r | |
173 | DEBUG ((DEBUG_GCD, "\n"));\r | |
174 | FreePool (MemorySpaceMap);\r | |
175 | );\r | |
f9d1f97c | 176 | }\r |
177 | \r | |
178 | /**\r | |
179 | Dump the entire contents if the GCD I/O Space Map using DEBUG() macros when \r | |
180 | PcdDebugPrintErrorLevel has the DEBUG_GCD bit set.\r | |
181 | \r | |
aa927cae | 182 | @param InitialMap TRUE if the initial GCD I/O Map is being dumped. Otherwise, FALSE.\r |
183 | \r | |
f9d1f97c | 184 | **/\r |
185 | VOID\r | |
186 | EFIAPI\r | |
187 | CoreDumpGcdIoSpaceMap (\r | |
aa927cae | 188 | BOOLEAN InitialMap\r |
f9d1f97c | 189 | )\r |
190 | {\r | |
aa927cae | 191 | DEBUG_CODE (\r |
192 | EFI_STATUS Status;\r | |
193 | UINTN NumberOfDescriptors;\r | |
194 | EFI_GCD_IO_SPACE_DESCRIPTOR *IoSpaceMap;\r | |
195 | UINTN Index;\r | |
196 | \r | |
197 | Status = CoreGetIoSpaceMap (&NumberOfDescriptors, &IoSpaceMap);\r | |
3d267c70 | 198 | ASSERT (Status == EFI_SUCCESS && IoSpaceMap != NULL);\r |
aa927cae | 199 | \r |
200 | if (InitialMap) {\r | |
201 | DEBUG ((DEBUG_GCD, "GCD:Initial GCD I/O Space Map\n"));\r | |
202 | } \r | |
203 | \r | |
204 | DEBUG ((DEBUG_GCD, "GCDIoType Range \n"));\r | |
205 | DEBUG ((DEBUG_GCD, "========== =================================\n"));\r | |
206 | for (Index = 0; Index < NumberOfDescriptors; Index++) {\r | |
207 | DEBUG ((DEBUG_GCD, "%a %016lx-%016lx%c\n", \r | |
208 | mGcdIoTypeNames[MIN (IoSpaceMap[Index].GcdIoType, EfiGcdIoTypeMaximum)],\r | |
209 | IoSpaceMap[Index].BaseAddress, \r | |
210 | IoSpaceMap[Index].BaseAddress + IoSpaceMap[Index].Length - 1,\r | |
211 | IoSpaceMap[Index].ImageHandle == NULL ? ' ' : '*'\r | |
212 | ));\r | |
213 | }\r | |
214 | DEBUG ((DEBUG_GCD, "\n"));\r | |
215 | FreePool (IoSpaceMap);\r | |
216 | );\r | |
f9d1f97c | 217 | }\r |
218 | \r | |
d12a2ecb | 219 | /**\r |
220 | Validate resource descriptor HOB's attributes.\r | |
221 | \r | |
222 | If Attributes includes some memory resource's settings, it should include \r | |
223 | the corresponding capabilites also.\r | |
f9d1f97c | 224 | \r |
d12a2ecb | 225 | @param Attributes Resource descriptor HOB attributes.\r |
226 | \r | |
227 | **/\r | |
228 | VOID\r | |
229 | CoreValidateResourceDescriptorHobAttributes (\r | |
230 | IN UINT64 Attributes\r | |
231 | )\r | |
232 | {\r | |
233 | ASSERT (((Attributes & EFI_RESOURCE_ATTRIBUTE_READ_PROTECTED) == 0) ||\r | |
234 | ((Attributes & EFI_RESOURCE_ATTRIBUTE_READ_PROTECTABLE) != 0));\r | |
235 | ASSERT (((Attributes & EFI_RESOURCE_ATTRIBUTE_WRITE_PROTECTED) == 0) ||\r | |
236 | ((Attributes & EFI_RESOURCE_ATTRIBUTE_WRITE_PROTECTABLE) != 0));\r | |
237 | ASSERT (((Attributes & EFI_RESOURCE_ATTRIBUTE_EXECUTION_PROTECTED) == 0) ||\r | |
238 | ((Attributes & EFI_RESOURCE_ATTRIBUTE_EXECUTION_PROTECTABLE) != 0));\r | |
6db13692 SZ |
239 | ASSERT (((Attributes & EFI_RESOURCE_ATTRIBUTE_READ_ONLY_PROTECTED) == 0) ||\r |
240 | ((Attributes & EFI_RESOURCE_ATTRIBUTE_READ_ONLY_PROTECTABLE) != 0));\r | |
a671a012 LG |
241 | ASSERT (((Attributes & EFI_RESOURCE_ATTRIBUTE_PERSISTENT) == 0) ||\r |
242 | ((Attributes & EFI_RESOURCE_ATTRIBUTE_PERSISTABLE) != 0));\r | |
d12a2ecb | 243 | }\r |
162ed594 | 244 | \r |
245 | /**\r | |
246 | Acquire memory lock on mGcdMemorySpaceLock.\r | |
247 | \r | |
248 | **/\r | |
28a00297 | 249 | VOID\r |
250 | CoreAcquireGcdMemoryLock (\r | |
251 | VOID\r | |
252 | )\r | |
28a00297 | 253 | {\r |
254 | CoreAcquireLock (&mGcdMemorySpaceLock);\r | |
255 | }\r | |
256 | \r | |
257 | \r | |
162ed594 | 258 | \r |
259 | /**\r | |
260 | Release memory lock on mGcdMemorySpaceLock.\r | |
261 | \r | |
262 | **/\r | |
28a00297 | 263 | VOID\r |
264 | CoreReleaseGcdMemoryLock (\r | |
265 | VOID\r | |
266 | )\r | |
28a00297 | 267 | {\r |
268 | CoreReleaseLock (&mGcdMemorySpaceLock);\r | |
269 | }\r | |
270 | \r | |
271 | \r | |
162ed594 | 272 | \r |
273 | /**\r | |
274 | Acquire memory lock on mGcdIoSpaceLock.\r | |
275 | \r | |
276 | **/\r | |
28a00297 | 277 | VOID\r |
278 | CoreAcquireGcdIoLock (\r | |
279 | VOID\r | |
280 | )\r | |
28a00297 | 281 | {\r |
282 | CoreAcquireLock (&mGcdIoSpaceLock);\r | |
283 | }\r | |
284 | \r | |
162ed594 | 285 | \r |
286 | /**\r | |
287 | Release memory lock on mGcdIoSpaceLock.\r | |
288 | \r | |
289 | **/\r | |
28a00297 | 290 | VOID\r |
291 | CoreReleaseGcdIoLock (\r | |
292 | VOID\r | |
293 | )\r | |
28a00297 | 294 | {\r |
295 | CoreReleaseLock (&mGcdIoSpaceLock);\r | |
296 | }\r | |
297 | \r | |
298 | \r | |
299 | \r | |
300 | //\r | |
301 | // GCD Initialization Worker Functions\r | |
302 | //\r | |
162ed594 | 303 | /**\r |
304 | Aligns a value to the specified boundary.\r | |
305 | \r | |
022c6d45 | 306 | @param Value 64 bit value to align\r |
307 | @param Alignment Log base 2 of the boundary to align Value to\r | |
308 | @param RoundUp TRUE if Value is to be rounded up to the nearest\r | |
309 | aligned boundary. FALSE is Value is to be\r | |
310 | rounded down to the nearest aligned boundary.\r | |
162ed594 | 311 | \r |
312 | @return A 64 bit value is the aligned to the value nearest Value with an alignment by Alignment.\r | |
313 | \r | |
314 | **/\r | |
28a00297 | 315 | UINT64\r |
316 | AlignValue (\r | |
317 | IN UINT64 Value,\r | |
318 | IN UINTN Alignment,\r | |
319 | IN BOOLEAN RoundUp\r | |
320 | )\r | |
28a00297 | 321 | {\r |
322 | UINT64 AlignmentMask;\r | |
323 | \r | |
324 | AlignmentMask = LShiftU64 (1, Alignment) - 1;\r | |
325 | if (RoundUp) {\r | |
326 | Value += AlignmentMask;\r | |
327 | }\r | |
328 | return Value & (~AlignmentMask);\r | |
329 | }\r | |
330 | \r | |
28a00297 | 331 | \r |
162ed594 | 332 | /**\r |
28a00297 | 333 | Aligns address to the page boundary.\r |
334 | \r | |
022c6d45 | 335 | @param Value 64 bit address to align\r |
28a00297 | 336 | \r |
162ed594 | 337 | @return A 64 bit value is the aligned to the value nearest Value with an alignment by Alignment.\r |
28a00297 | 338 | \r |
162ed594 | 339 | **/\r |
28a00297 | 340 | UINT64\r |
162ed594 | 341 | PageAlignAddress (\r |
28a00297 | 342 | IN UINT64 Value\r |
343 | )\r | |
162ed594 | 344 | {\r |
345 | return AlignValue (Value, EFI_PAGE_SHIFT, TRUE);\r | |
346 | }\r | |
28a00297 | 347 | \r |
28a00297 | 348 | \r |
162ed594 | 349 | /**\r |
28a00297 | 350 | Aligns length to the page boundary.\r |
351 | \r | |
022c6d45 | 352 | @param Value 64 bit length to align\r |
28a00297 | 353 | \r |
162ed594 | 354 | @return A 64 bit value is the aligned to the value nearest Value with an alignment by Alignment.\r |
28a00297 | 355 | \r |
162ed594 | 356 | **/\r |
162ed594 | 357 | UINT64\r |
358 | PageAlignLength (\r | |
359 | IN UINT64 Value\r | |
360 | )\r | |
28a00297 | 361 | {\r |
362 | return AlignValue (Value, EFI_PAGE_SHIFT, FALSE);\r | |
363 | }\r | |
364 | \r | |
365 | //\r | |
366 | // GCD Memory Space Worker Functions\r | |
367 | //\r | |
162ed594 | 368 | \r |
369 | /**\r | |
370 | Allocate pool for two entries.\r | |
371 | \r | |
022c6d45 | 372 | @param TopEntry An entry of GCD map\r |
373 | @param BottomEntry An entry of GCD map\r | |
162ed594 | 374 | \r |
022c6d45 | 375 | @retval EFI_OUT_OF_RESOURCES No enough buffer to be allocated.\r |
162ed594 | 376 | @retval EFI_SUCCESS Both entries successfully allocated.\r |
377 | \r | |
378 | **/\r | |
28a00297 | 379 | EFI_STATUS\r |
380 | CoreAllocateGcdMapEntry (\r | |
381 | IN OUT EFI_GCD_MAP_ENTRY **TopEntry,\r | |
382 | IN OUT EFI_GCD_MAP_ENTRY **BottomEntry\r | |
383 | )\r | |
28a00297 | 384 | {\r |
9c4ac31c | 385 | *TopEntry = AllocateZeroPool (sizeof (EFI_GCD_MAP_ENTRY));\r |
28a00297 | 386 | if (*TopEntry == NULL) {\r |
387 | return EFI_OUT_OF_RESOURCES;\r | |
388 | }\r | |
389 | \r | |
9c4ac31c | 390 | *BottomEntry = AllocateZeroPool (sizeof (EFI_GCD_MAP_ENTRY));\r |
28a00297 | 391 | if (*BottomEntry == NULL) {\r |
392 | CoreFreePool (*TopEntry);\r | |
393 | return EFI_OUT_OF_RESOURCES;\r | |
394 | }\r | |
395 | \r | |
396 | return EFI_SUCCESS;\r | |
397 | }\r | |
398 | \r | |
162ed594 | 399 | \r |
400 | /**\r | |
401 | Internal function. Inserts a new descriptor into a sorted list\r | |
402 | \r | |
022c6d45 | 403 | @param Link The linked list to insert the range BaseAddress\r |
404 | and Length into\r | |
405 | @param Entry A pointer to the entry that is inserted\r | |
406 | @param BaseAddress The base address of the new range\r | |
407 | @param Length The length of the new range in bytes\r | |
408 | @param TopEntry Top pad entry to insert if needed.\r | |
409 | @param BottomEntry Bottom pad entry to insert if needed.\r | |
162ed594 | 410 | \r |
411 | @retval EFI_SUCCESS The new range was inserted into the linked list\r | |
412 | \r | |
413 | **/\r | |
28a00297 | 414 | EFI_STATUS\r |
415 | CoreInsertGcdMapEntry (\r | |
416 | IN LIST_ENTRY *Link,\r | |
417 | IN EFI_GCD_MAP_ENTRY *Entry,\r | |
418 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
419 | IN UINT64 Length,\r | |
420 | IN EFI_GCD_MAP_ENTRY *TopEntry,\r | |
421 | IN EFI_GCD_MAP_ENTRY *BottomEntry\r | |
422 | )\r | |
28a00297 | 423 | {\r |
424 | ASSERT (Length != 0);\r | |
28a00297 | 425 | \r |
426 | if (BaseAddress > Entry->BaseAddress) {\r | |
f75316c3 | 427 | ASSERT (BottomEntry->Signature == 0);\r |
428 | \r | |
28a00297 | 429 | CopyMem (BottomEntry, Entry, sizeof (EFI_GCD_MAP_ENTRY));\r |
430 | Entry->BaseAddress = BaseAddress;\r | |
431 | BottomEntry->EndAddress = BaseAddress - 1;\r | |
432 | InsertTailList (Link, &BottomEntry->Link);\r | |
022c6d45 | 433 | }\r |
28a00297 | 434 | \r |
435 | if ((BaseAddress + Length - 1) < Entry->EndAddress) {\r | |
f75316c3 | 436 | ASSERT (TopEntry->Signature == 0);\r |
437 | \r | |
28a00297 | 438 | CopyMem (TopEntry, Entry, sizeof (EFI_GCD_MAP_ENTRY));\r |
439 | TopEntry->BaseAddress = BaseAddress + Length;\r | |
440 | Entry->EndAddress = BaseAddress + Length - 1;\r | |
441 | InsertHeadList (Link, &TopEntry->Link);\r | |
442 | }\r | |
443 | \r | |
444 | return EFI_SUCCESS;\r | |
445 | }\r | |
446 | \r | |
162ed594 | 447 | \r |
448 | /**\r | |
e94a9ff7 | 449 | Merge the Gcd region specified by Link and its adjacent entry.\r |
162ed594 | 450 | \r |
022c6d45 | 451 | @param Link Specify the entry to be merged (with its\r |
452 | adjacent entry).\r | |
453 | @param Forward Direction (forward or backward).\r | |
454 | @param Map Boundary.\r | |
162ed594 | 455 | \r |
022c6d45 | 456 | @retval EFI_SUCCESS Successfully returned.\r |
162ed594 | 457 | @retval EFI_UNSUPPORTED These adjacent regions could not merge.\r |
458 | \r | |
459 | **/\r | |
28a00297 | 460 | EFI_STATUS\r |
461 | CoreMergeGcdMapEntry (\r | |
462 | IN LIST_ENTRY *Link,\r | |
463 | IN BOOLEAN Forward,\r | |
464 | IN LIST_ENTRY *Map\r | |
465 | )\r | |
28a00297 | 466 | {\r |
467 | LIST_ENTRY *AdjacentLink;\r | |
468 | EFI_GCD_MAP_ENTRY *Entry;\r | |
469 | EFI_GCD_MAP_ENTRY *AdjacentEntry;\r | |
470 | \r | |
471 | //\r | |
472 | // Get adjacent entry\r | |
473 | //\r | |
474 | if (Forward) {\r | |
475 | AdjacentLink = Link->ForwardLink;\r | |
476 | } else {\r | |
477 | AdjacentLink = Link->BackLink;\r | |
478 | }\r | |
479 | \r | |
480 | //\r | |
481 | // If AdjacentLink is the head of the list, then no merge can be performed\r | |
482 | //\r | |
483 | if (AdjacentLink == Map) {\r | |
484 | return EFI_SUCCESS;\r | |
485 | }\r | |
486 | \r | |
487 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
488 | AdjacentEntry = CR (AdjacentLink, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
489 | \r | |
490 | if (Entry->Capabilities != AdjacentEntry->Capabilities) {\r | |
491 | return EFI_UNSUPPORTED;\r | |
492 | }\r | |
493 | if (Entry->Attributes != AdjacentEntry->Attributes) {\r | |
494 | return EFI_UNSUPPORTED;\r | |
495 | }\r | |
496 | if (Entry->GcdMemoryType != AdjacentEntry->GcdMemoryType) {\r | |
497 | return EFI_UNSUPPORTED;\r | |
498 | }\r | |
499 | if (Entry->GcdIoType != AdjacentEntry->GcdIoType) {\r | |
500 | return EFI_UNSUPPORTED;\r | |
501 | }\r | |
502 | if (Entry->ImageHandle != AdjacentEntry->ImageHandle) {\r | |
503 | return EFI_UNSUPPORTED;\r | |
504 | }\r | |
505 | if (Entry->DeviceHandle != AdjacentEntry->DeviceHandle) {\r | |
506 | return EFI_UNSUPPORTED;\r | |
507 | }\r | |
508 | \r | |
509 | if (Forward) {\r | |
510 | Entry->EndAddress = AdjacentEntry->EndAddress;\r | |
511 | } else {\r | |
512 | Entry->BaseAddress = AdjacentEntry->BaseAddress;\r | |
513 | }\r | |
514 | RemoveEntryList (AdjacentLink);\r | |
515 | CoreFreePool (AdjacentEntry);\r | |
516 | \r | |
517 | return EFI_SUCCESS;\r | |
518 | }\r | |
519 | \r | |
162ed594 | 520 | \r |
521 | /**\r | |
522 | Merge adjacent entries on total chain.\r | |
523 | \r | |
022c6d45 | 524 | @param TopEntry Top entry of GCD map.\r |
525 | @param BottomEntry Bottom entry of GCD map.\r | |
526 | @param StartLink Start link of the list for this loop.\r | |
527 | @param EndLink End link of the list for this loop.\r | |
528 | @param Map Boundary.\r | |
162ed594 | 529 | \r |
530 | @retval EFI_SUCCESS GCD map successfully cleaned up.\r | |
531 | \r | |
532 | **/\r | |
28a00297 | 533 | EFI_STATUS\r |
534 | CoreCleanupGcdMapEntry (\r | |
535 | IN EFI_GCD_MAP_ENTRY *TopEntry,\r | |
536 | IN EFI_GCD_MAP_ENTRY *BottomEntry,\r | |
537 | IN LIST_ENTRY *StartLink,\r | |
538 | IN LIST_ENTRY *EndLink,\r | |
539 | IN LIST_ENTRY *Map\r | |
540 | )\r | |
28a00297 | 541 | {\r |
542 | LIST_ENTRY *Link;\r | |
543 | \r | |
544 | if (TopEntry->Signature == 0) {\r | |
545 | CoreFreePool (TopEntry);\r | |
546 | }\r | |
547 | if (BottomEntry->Signature == 0) {\r | |
548 | CoreFreePool (BottomEntry);\r | |
549 | }\r | |
550 | \r | |
551 | Link = StartLink;\r | |
552 | while (Link != EndLink->ForwardLink) {\r | |
553 | CoreMergeGcdMapEntry (Link, FALSE, Map);\r | |
554 | Link = Link->ForwardLink;\r | |
555 | }\r | |
556 | CoreMergeGcdMapEntry (EndLink, TRUE, Map);\r | |
557 | \r | |
558 | return EFI_SUCCESS;\r | |
559 | }\r | |
560 | \r | |
162ed594 | 561 | \r |
562 | /**\r | |
563 | Search a segment of memory space in GCD map. The result is a range of GCD entry list.\r | |
564 | \r | |
022c6d45 | 565 | @param BaseAddress The start address of the segment.\r |
566 | @param Length The length of the segment.\r | |
567 | @param StartLink The first GCD entry involves this segment of\r | |
568 | memory space.\r | |
569 | @param EndLink The first GCD entry involves this segment of\r | |
570 | memory space.\r | |
571 | @param Map Points to the start entry to search.\r | |
162ed594 | 572 | \r |
022c6d45 | 573 | @retval EFI_SUCCESS Successfully found the entry.\r |
162ed594 | 574 | @retval EFI_NOT_FOUND Not found.\r |
575 | \r | |
576 | **/\r | |
28a00297 | 577 | EFI_STATUS\r |
578 | CoreSearchGcdMapEntry (\r | |
579 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
580 | IN UINT64 Length,\r | |
581 | OUT LIST_ENTRY **StartLink,\r | |
582 | OUT LIST_ENTRY **EndLink,\r | |
583 | IN LIST_ENTRY *Map\r | |
584 | )\r | |
28a00297 | 585 | {\r |
586 | LIST_ENTRY *Link;\r | |
587 | EFI_GCD_MAP_ENTRY *Entry;\r | |
588 | \r | |
589 | ASSERT (Length != 0);\r | |
590 | \r | |
591 | *StartLink = NULL;\r | |
592 | *EndLink = NULL;\r | |
593 | \r | |
594 | Link = Map->ForwardLink;\r | |
595 | while (Link != Map) {\r | |
596 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
597 | if (BaseAddress >= Entry->BaseAddress && BaseAddress <= Entry->EndAddress) {\r | |
598 | *StartLink = Link;\r | |
599 | }\r | |
600 | if (*StartLink != NULL) {\r | |
022c6d45 | 601 | if ((BaseAddress + Length - 1) >= Entry->BaseAddress &&\r |
28a00297 | 602 | (BaseAddress + Length - 1) <= Entry->EndAddress ) {\r |
603 | *EndLink = Link;\r | |
604 | return EFI_SUCCESS;\r | |
605 | }\r | |
606 | }\r | |
607 | Link = Link->ForwardLink;\r | |
608 | }\r | |
e94a9ff7 | 609 | \r |
28a00297 | 610 | return EFI_NOT_FOUND;\r |
611 | }\r | |
612 | \r | |
28a00297 | 613 | \r |
162ed594 | 614 | /**\r |
28a00297 | 615 | Count the amount of GCD map entries.\r |
616 | \r | |
022c6d45 | 617 | @param Map Points to the start entry to do the count loop.\r |
28a00297 | 618 | \r |
162ed594 | 619 | @return The count.\r |
28a00297 | 620 | \r |
162ed594 | 621 | **/\r |
162ed594 | 622 | UINTN\r |
623 | CoreCountGcdMapEntry (\r | |
624 | IN LIST_ENTRY *Map\r | |
625 | )\r | |
28a00297 | 626 | {\r |
627 | UINTN Count;\r | |
628 | LIST_ENTRY *Link;\r | |
629 | \r | |
630 | Count = 0;\r | |
631 | Link = Map->ForwardLink;\r | |
632 | while (Link != Map) {\r | |
633 | Count++;\r | |
634 | Link = Link->ForwardLink;\r | |
635 | }\r | |
022c6d45 | 636 | \r |
28a00297 | 637 | return Count;\r |
638 | }\r | |
639 | \r | |
640 | \r | |
28a00297 | 641 | \r |
162ed594 | 642 | /**\r |
28a00297 | 643 | Return the memory attribute specified by Attributes\r |
644 | \r | |
022c6d45 | 645 | @param Attributes A num with some attribute bits on.\r |
28a00297 | 646 | \r |
162ed594 | 647 | @return The enum value of memory attribute.\r |
28a00297 | 648 | \r |
162ed594 | 649 | **/\r |
162ed594 | 650 | UINT64\r |
651 | ConverToCpuArchAttributes (\r | |
652 | UINT64 Attributes\r | |
23c98c94 | 653 | )\r |
28a00297 | 654 | {\r |
655 | if ( (Attributes & EFI_MEMORY_UC) == EFI_MEMORY_UC) {\r | |
656 | return EFI_MEMORY_UC;\r | |
657 | }\r | |
658 | \r | |
659 | if ( (Attributes & EFI_MEMORY_WC ) == EFI_MEMORY_WC) {\r | |
660 | return EFI_MEMORY_WC;\r | |
661 | }\r | |
662 | \r | |
663 | if ( (Attributes & EFI_MEMORY_WT ) == EFI_MEMORY_WT) {\r | |
664 | return EFI_MEMORY_WT;\r | |
665 | }\r | |
666 | \r | |
667 | if ( (Attributes & EFI_MEMORY_WB) == EFI_MEMORY_WB) {\r | |
668 | return EFI_MEMORY_WB;\r | |
669 | }\r | |
670 | \r | |
671 | if ( (Attributes & EFI_MEMORY_WP) == EFI_MEMORY_WP) {\r | |
672 | return EFI_MEMORY_WP;\r | |
673 | }\r | |
674 | \r | |
675 | return INVALID_CPU_ARCH_ATTRIBUTES;\r | |
676 | \r | |
677 | }\r | |
678 | \r | |
162ed594 | 679 | \r |
680 | /**\r | |
681 | Do operation on a segment of memory space specified (add, free, remove, change attribute ...).\r | |
682 | \r | |
022c6d45 | 683 | @param Operation The type of the operation\r |
684 | @param GcdMemoryType Additional information for the operation\r | |
685 | @param GcdIoType Additional information for the operation\r | |
686 | @param BaseAddress Start address of the segment\r | |
687 | @param Length length of the segment\r | |
688 | @param Capabilities The alterable attributes of a newly added entry\r | |
689 | @param Attributes The attributes needs to be set\r | |
690 | \r | |
691 | @retval EFI_INVALID_PARAMETER Length is 0 or address (length) not aligned when\r | |
692 | setting attribute.\r | |
693 | @retval EFI_SUCCESS Action successfully done.\r | |
694 | @retval EFI_UNSUPPORTED Could not find the proper descriptor on this\r | |
695 | segment or set an upsupported attribute.\r | |
696 | @retval EFI_ACCESS_DENIED Operate on an space non-exist or is used for an\r | |
697 | image.\r | |
698 | @retval EFI_NOT_FOUND Free a non-using space or remove a non-exist\r | |
699 | space, and so on.\r | |
162ed594 | 700 | @retval EFI_OUT_OF_RESOURCES No buffer could be allocated.\r |
fc8ff20f | 701 | @retval EFI_NOT_AVAILABLE_YET The attributes cannot be set because CPU architectural protocol\r |
702 | is not available yet.\r | |
162ed594 | 703 | **/\r |
28a00297 | 704 | EFI_STATUS\r |
705 | CoreConvertSpace (\r | |
706 | IN UINTN Operation,\r | |
707 | IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
708 | IN EFI_GCD_IO_TYPE GcdIoType,\r | |
709 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
710 | IN UINT64 Length,\r | |
711 | IN UINT64 Capabilities,\r | |
712 | IN UINT64 Attributes\r | |
713 | )\r | |
28a00297 | 714 | {\r |
715 | EFI_STATUS Status;\r | |
716 | LIST_ENTRY *Map;\r | |
717 | LIST_ENTRY *Link;\r | |
718 | EFI_GCD_MAP_ENTRY *Entry;\r | |
719 | EFI_GCD_MAP_ENTRY *TopEntry;\r | |
720 | EFI_GCD_MAP_ENTRY *BottomEntry;\r | |
721 | LIST_ENTRY *StartLink;\r | |
722 | LIST_ENTRY *EndLink;\r | |
f9d1f97c | 723 | UINT64 CpuArchAttributes;\r |
28a00297 | 724 | \r |
725 | if (Length == 0) {\r | |
aa927cae | 726 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 727 | return EFI_INVALID_PARAMETER;\r |
728 | }\r | |
729 | \r | |
730 | Map = NULL;\r | |
71f68914 | 731 | if ((Operation & GCD_MEMORY_SPACE_OPERATION) != 0) {\r |
28a00297 | 732 | CoreAcquireGcdMemoryLock ();\r |
733 | Map = &mGcdMemorySpaceMap;\r | |
fbbb4211 | 734 | } else if ((Operation & GCD_IO_SPACE_OPERATION) != 0) {\r |
28a00297 | 735 | CoreAcquireGcdIoLock ();\r |
736 | Map = &mGcdIoSpaceMap;\r | |
fbbb4211 | 737 | } else {\r |
738 | ASSERT (FALSE);\r | |
28a00297 | 739 | }\r |
740 | \r | |
741 | //\r | |
742 | // Search for the list of descriptors that cover the range BaseAddress to BaseAddress+Length\r | |
743 | //\r | |
744 | Status = CoreSearchGcdMapEntry (BaseAddress, Length, &StartLink, &EndLink, Map);\r | |
745 | if (EFI_ERROR (Status)) {\r | |
746 | Status = EFI_UNSUPPORTED;\r | |
747 | \r | |
748 | goto Done;\r | |
749 | }\r | |
d2fbaaab | 750 | ASSERT (StartLink != NULL && EndLink != NULL);\r |
28a00297 | 751 | \r |
752 | //\r | |
753 | // Verify that the list of descriptors are unallocated non-existent memory.\r | |
754 | //\r | |
755 | Link = StartLink;\r | |
756 | while (Link != EndLink->ForwardLink) {\r | |
757 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
758 | switch (Operation) {\r | |
759 | //\r | |
760 | // Add operations\r | |
761 | //\r | |
762 | case GCD_ADD_MEMORY_OPERATION:\r | |
763 | if (Entry->GcdMemoryType != EfiGcdMemoryTypeNonExistent ||\r | |
764 | Entry->ImageHandle != NULL ) {\r | |
765 | Status = EFI_ACCESS_DENIED;\r | |
766 | goto Done;\r | |
767 | }\r | |
768 | break;\r | |
769 | case GCD_ADD_IO_OPERATION:\r | |
770 | if (Entry->GcdIoType != EfiGcdIoTypeNonExistent ||\r | |
771 | Entry->ImageHandle != NULL ) {\r | |
772 | Status = EFI_ACCESS_DENIED;\r | |
773 | goto Done;\r | |
774 | }\r | |
775 | break;\r | |
776 | //\r | |
777 | // Free operations\r | |
778 | //\r | |
779 | case GCD_FREE_MEMORY_OPERATION:\r | |
780 | case GCD_FREE_IO_OPERATION:\r | |
781 | if (Entry->ImageHandle == NULL) {\r | |
782 | Status = EFI_NOT_FOUND;\r | |
783 | goto Done;\r | |
784 | }\r | |
785 | break;\r | |
786 | //\r | |
787 | // Remove operations\r | |
788 | //\r | |
789 | case GCD_REMOVE_MEMORY_OPERATION:\r | |
790 | if (Entry->GcdMemoryType == EfiGcdMemoryTypeNonExistent) {\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 | case GCD_REMOVE_IO_OPERATION:\r | |
800 | if (Entry->GcdIoType == EfiGcdIoTypeNonExistent) {\r | |
801 | Status = EFI_NOT_FOUND;\r | |
802 | goto Done;\r | |
803 | }\r | |
804 | if (Entry->ImageHandle != NULL) {\r | |
805 | Status = EFI_ACCESS_DENIED;\r | |
806 | goto Done;\r | |
807 | }\r | |
808 | break;\r | |
809 | //\r | |
771ee501 | 810 | // Set attributes operation\r |
28a00297 | 811 | //\r |
812 | case GCD_SET_ATTRIBUTES_MEMORY_OPERATION:\r | |
71f68914 | 813 | if ((Attributes & EFI_MEMORY_RUNTIME) != 0) {\r |
28a00297 | 814 | if ((BaseAddress & EFI_PAGE_MASK) != 0 || (Length & EFI_PAGE_MASK) != 0) {\r |
815 | Status = EFI_INVALID_PARAMETER;\r | |
28a00297 | 816 | goto Done;\r |
817 | }\r | |
818 | }\r | |
819 | if ((Entry->Capabilities & Attributes) != Attributes) {\r | |
820 | Status = EFI_UNSUPPORTED;\r | |
821 | goto Done;\r | |
822 | }\r | |
823 | break;\r | |
736a692e HT |
824 | //\r |
825 | // Set capabilities operation\r | |
826 | //\r | |
827 | case GCD_SET_CAPABILITIES_MEMORY_OPERATION:\r | |
828 | if ((BaseAddress & EFI_PAGE_MASK) != 0 || (Length & EFI_PAGE_MASK) != 0) {\r | |
829 | Status = EFI_INVALID_PARAMETER;\r | |
830 | \r | |
831 | goto Done;\r | |
771ee501 | 832 | }\r |
736a692e | 833 | //\r |
771ee501 | 834 | // Current attributes must still be supported with new capabilities\r |
736a692e HT |
835 | //\r |
836 | if ((Capabilities & Entry->Attributes) != Entry->Attributes) {\r | |
837 | Status = EFI_UNSUPPORTED;\r | |
838 | goto Done;\r | |
839 | }\r | |
771ee501 | 840 | break;\r |
28a00297 | 841 | }\r |
842 | Link = Link->ForwardLink;\r | |
843 | }\r | |
844 | \r | |
845 | //\r | |
846 | // Allocate work space to perform this operation\r | |
847 | //\r | |
848 | Status = CoreAllocateGcdMapEntry (&TopEntry, &BottomEntry);\r | |
849 | if (EFI_ERROR (Status)) {\r | |
850 | Status = EFI_OUT_OF_RESOURCES;\r | |
851 | goto Done;\r | |
852 | }\r | |
d2fbaaab | 853 | ASSERT (TopEntry != NULL && BottomEntry != NULL);\r |
28a00297 | 854 | \r |
28a00297 | 855 | if (Operation == GCD_SET_ATTRIBUTES_MEMORY_OPERATION) {\r |
856 | //\r | |
857 | // Call CPU Arch Protocol to attempt to set attributes on the range\r | |
858 | //\r | |
859 | CpuArchAttributes = ConverToCpuArchAttributes (Attributes);\r | |
f9d1f97c | 860 | if (CpuArchAttributes != INVALID_CPU_ARCH_ATTRIBUTES) {\r |
fc8ff20f | 861 | if (gCpu == NULL) {\r |
862 | Status = EFI_NOT_AVAILABLE_YET;\r | |
863 | } else {\r | |
f9d1f97c | 864 | Status = gCpu->SetMemoryAttributes (\r |
865 | gCpu,\r | |
866 | BaseAddress,\r | |
867 | Length,\r | |
868 | CpuArchAttributes\r | |
869 | );\r | |
fc8ff20f | 870 | }\r |
871 | if (EFI_ERROR (Status)) {\r | |
872 | CoreFreePool (TopEntry);\r | |
873 | CoreFreePool (BottomEntry);\r | |
874 | goto Done;\r | |
28a00297 | 875 | }\r |
876 | }\r | |
28a00297 | 877 | }\r |
878 | \r | |
879 | //\r | |
880 | // Convert/Insert the list of descriptors from StartLink to EndLink\r | |
881 | //\r | |
882 | Link = StartLink;\r | |
883 | while (Link != EndLink->ForwardLink) {\r | |
884 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
885 | CoreInsertGcdMapEntry (Link, Entry, BaseAddress, Length, TopEntry, BottomEntry);\r | |
886 | switch (Operation) {\r | |
887 | //\r | |
888 | // Add operations\r | |
889 | //\r | |
890 | case GCD_ADD_MEMORY_OPERATION:\r | |
891 | Entry->GcdMemoryType = GcdMemoryType;\r | |
892 | if (GcdMemoryType == EfiGcdMemoryTypeMemoryMappedIo) {\r | |
893 | Entry->Capabilities = Capabilities | EFI_MEMORY_RUNTIME | EFI_MEMORY_PORT_IO;\r | |
894 | } else {\r | |
895 | Entry->Capabilities = Capabilities | EFI_MEMORY_RUNTIME;\r | |
896 | }\r | |
897 | break;\r | |
898 | case GCD_ADD_IO_OPERATION:\r | |
899 | Entry->GcdIoType = GcdIoType;\r | |
900 | break;\r | |
901 | //\r | |
902 | // Free operations\r | |
903 | //\r | |
904 | case GCD_FREE_MEMORY_OPERATION:\r | |
905 | case GCD_FREE_IO_OPERATION:\r | |
906 | Entry->ImageHandle = NULL;\r | |
907 | Entry->DeviceHandle = NULL;\r | |
908 | break;\r | |
909 | //\r | |
910 | // Remove operations\r | |
911 | //\r | |
912 | case GCD_REMOVE_MEMORY_OPERATION:\r | |
913 | Entry->GcdMemoryType = EfiGcdMemoryTypeNonExistent;\r | |
914 | Entry->Capabilities = 0;\r | |
915 | break;\r | |
916 | case GCD_REMOVE_IO_OPERATION:\r | |
917 | Entry->GcdIoType = EfiGcdIoTypeNonExistent;\r | |
918 | break;\r | |
919 | //\r | |
771ee501 | 920 | // Set attributes operation\r |
28a00297 | 921 | //\r |
922 | case GCD_SET_ATTRIBUTES_MEMORY_OPERATION:\r | |
923 | Entry->Attributes = Attributes;\r | |
924 | break;\r | |
771ee501 EC |
925 | //\r |
926 | // Set capabilities operation\r | |
927 | //\r | |
736a692e HT |
928 | case GCD_SET_CAPABILITIES_MEMORY_OPERATION:\r |
929 | Entry->Capabilities = Capabilities;\r | |
771ee501 | 930 | break;\r |
28a00297 | 931 | }\r |
932 | Link = Link->ForwardLink;\r | |
933 | }\r | |
934 | \r | |
935 | //\r | |
936 | // Cleanup\r | |
937 | //\r | |
938 | Status = CoreCleanupGcdMapEntry (TopEntry, BottomEntry, StartLink, EndLink, Map);\r | |
939 | \r | |
940 | Done:\r | |
aa927cae | 941 | DEBUG ((DEBUG_GCD, " Status = %r\n", Status));\r |
f9d1f97c | 942 | \r |
71f68914 | 943 | if ((Operation & GCD_MEMORY_SPACE_OPERATION) != 0) {\r |
28a00297 | 944 | CoreReleaseGcdMemoryLock ();\r |
aa927cae | 945 | CoreDumpGcdMemorySpaceMap (FALSE);\r |
28a00297 | 946 | }\r |
71f68914 | 947 | if ((Operation & GCD_IO_SPACE_OPERATION) != 0) {\r |
28a00297 | 948 | CoreReleaseGcdIoLock ();\r |
aa927cae | 949 | CoreDumpGcdIoSpaceMap (FALSE);\r |
28a00297 | 950 | }\r |
951 | \r | |
952 | return Status;\r | |
953 | }\r | |
954 | \r | |
162ed594 | 955 | \r |
956 | /**\r | |
957 | Check whether an entry could be used to allocate space.\r | |
958 | \r | |
022c6d45 | 959 | @param Operation Allocate memory or IO\r |
960 | @param Entry The entry to be tested\r | |
961 | @param GcdMemoryType The desired memory type\r | |
962 | @param GcdIoType The desired IO type\r | |
162ed594 | 963 | \r |
022c6d45 | 964 | @retval EFI_NOT_FOUND The memory type does not match or there's an\r |
965 | image handle on the entry.\r | |
966 | @retval EFI_UNSUPPORTED The operation unsupported.\r | |
967 | @retval EFI_SUCCESS It's ok for this entry to be used to allocate\r | |
162ed594 | 968 | space.\r |
969 | \r | |
970 | **/\r | |
28a00297 | 971 | EFI_STATUS\r |
972 | CoreAllocateSpaceCheckEntry (\r | |
973 | IN UINTN Operation,\r | |
974 | IN EFI_GCD_MAP_ENTRY *Entry,\r | |
975 | IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
976 | IN EFI_GCD_IO_TYPE GcdIoType\r | |
977 | )\r | |
28a00297 | 978 | {\r |
979 | if (Entry->ImageHandle != NULL) {\r | |
980 | return EFI_NOT_FOUND;\r | |
981 | }\r | |
982 | switch (Operation) {\r | |
983 | case GCD_ALLOCATE_MEMORY_OPERATION:\r | |
984 | if (Entry->GcdMemoryType != GcdMemoryType) {\r | |
985 | return EFI_NOT_FOUND;\r | |
986 | }\r | |
987 | break;\r | |
988 | case GCD_ALLOCATE_IO_OPERATION:\r | |
989 | if (Entry->GcdIoType != GcdIoType) {\r | |
990 | return EFI_NOT_FOUND;\r | |
991 | }\r | |
992 | break;\r | |
993 | default:\r | |
994 | return EFI_UNSUPPORTED;\r | |
995 | }\r | |
996 | return EFI_SUCCESS;\r | |
997 | }\r | |
998 | \r | |
162ed594 | 999 | \r |
1000 | /**\r | |
1001 | Allocate space on specified address and length.\r | |
1002 | \r | |
022c6d45 | 1003 | @param Operation The type of operation (memory or IO)\r |
1004 | @param GcdAllocateType The type of allocate operation\r | |
1005 | @param GcdMemoryType The desired memory type\r | |
1006 | @param GcdIoType The desired IO type\r | |
1007 | @param Alignment Align with 2^Alignment\r | |
1008 | @param Length Length to allocate\r | |
1009 | @param BaseAddress Base address to allocate\r | |
1010 | @param ImageHandle The image handle consume the allocated space.\r | |
1011 | @param DeviceHandle The device handle consume the allocated space.\r | |
1012 | \r | |
1013 | @retval EFI_INVALID_PARAMETER Invalid parameter.\r | |
1014 | @retval EFI_NOT_FOUND No descriptor for the desired space exists.\r | |
162ed594 | 1015 | @retval EFI_SUCCESS Space successfully allocated.\r |
1016 | \r | |
1017 | **/\r | |
28a00297 | 1018 | EFI_STATUS\r |
1019 | CoreAllocateSpace (\r | |
1020 | IN UINTN Operation,\r | |
1021 | IN EFI_GCD_ALLOCATE_TYPE GcdAllocateType,\r | |
1022 | IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
1023 | IN EFI_GCD_IO_TYPE GcdIoType,\r | |
1024 | IN UINTN Alignment,\r | |
1025 | IN UINT64 Length,\r | |
1026 | IN OUT EFI_PHYSICAL_ADDRESS *BaseAddress,\r | |
1027 | IN EFI_HANDLE ImageHandle,\r | |
1028 | IN EFI_HANDLE DeviceHandle OPTIONAL\r | |
1029 | )\r | |
28a00297 | 1030 | {\r |
1031 | EFI_STATUS Status;\r | |
1032 | EFI_PHYSICAL_ADDRESS AlignmentMask;\r | |
1033 | EFI_PHYSICAL_ADDRESS MaxAddress;\r | |
1034 | LIST_ENTRY *Map;\r | |
1035 | LIST_ENTRY *Link;\r | |
1036 | LIST_ENTRY *SubLink;\r | |
1037 | EFI_GCD_MAP_ENTRY *Entry;\r | |
1038 | EFI_GCD_MAP_ENTRY *TopEntry;\r | |
1039 | EFI_GCD_MAP_ENTRY *BottomEntry;\r | |
1040 | LIST_ENTRY *StartLink;\r | |
1041 | LIST_ENTRY *EndLink;\r | |
1042 | BOOLEAN Found;\r | |
1043 | \r | |
1044 | //\r | |
1045 | // Make sure parameters are valid\r | |
1046 | //\r | |
3d78c020 | 1047 | if ((UINT32)GcdAllocateType >= EfiGcdMaxAllocateType) {\r |
aa927cae | 1048 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 1049 | return EFI_INVALID_PARAMETER;\r |
1050 | }\r | |
3d78c020 | 1051 | if ((UINT32)GcdMemoryType >= EfiGcdMemoryTypeMaximum) {\r |
aa927cae | 1052 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 1053 | return EFI_INVALID_PARAMETER;\r |
1054 | }\r | |
3d78c020 | 1055 | if ((UINT32)GcdIoType >= EfiGcdIoTypeMaximum) {\r |
aa927cae | 1056 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 1057 | return EFI_INVALID_PARAMETER;\r |
1058 | }\r | |
1059 | if (BaseAddress == NULL) {\r | |
aa927cae | 1060 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 1061 | return EFI_INVALID_PARAMETER;\r |
1062 | }\r | |
1063 | if (ImageHandle == NULL) {\r | |
aa927cae | 1064 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 1065 | return EFI_INVALID_PARAMETER;\r |
1066 | }\r | |
1067 | if (Alignment >= 64) {\r | |
aa927cae | 1068 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_NOT_FOUND));\r |
28a00297 | 1069 | return EFI_NOT_FOUND;\r |
1070 | }\r | |
1071 | if (Length == 0) {\r | |
aa927cae | 1072 | DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r |
28a00297 | 1073 | return EFI_INVALID_PARAMETER;\r |
1074 | }\r | |
1075 | \r | |
1076 | Map = NULL;\r | |
71f68914 | 1077 | if ((Operation & GCD_MEMORY_SPACE_OPERATION) != 0) {\r |
28a00297 | 1078 | CoreAcquireGcdMemoryLock ();\r |
1079 | Map = &mGcdMemorySpaceMap;\r | |
fbbb4211 | 1080 | } else if ((Operation & GCD_IO_SPACE_OPERATION) != 0) {\r |
28a00297 | 1081 | CoreAcquireGcdIoLock ();\r |
1082 | Map = &mGcdIoSpaceMap;\r | |
fbbb4211 | 1083 | } else {\r |
1084 | ASSERT (FALSE);\r | |
28a00297 | 1085 | }\r |
1086 | \r | |
1087 | Found = FALSE;\r | |
1088 | StartLink = NULL;\r | |
1089 | EndLink = NULL;\r | |
1090 | //\r | |
1091 | // Compute alignment bit mask\r | |
1092 | //\r | |
1093 | AlignmentMask = LShiftU64 (1, Alignment) - 1;\r | |
1094 | \r | |
1095 | if (GcdAllocateType == EfiGcdAllocateAddress) {\r | |
1096 | //\r | |
1097 | // Verify that the BaseAddress passed in is aligned correctly\r | |
1098 | //\r | |
1099 | if ((*BaseAddress & AlignmentMask) != 0) {\r | |
1100 | Status = EFI_NOT_FOUND;\r | |
1101 | goto Done;\r | |
1102 | }\r | |
1103 | \r | |
1104 | //\r | |
1105 | // Search for the list of descriptors that cover the range BaseAddress to BaseAddress+Length\r | |
1106 | //\r | |
1107 | Status = CoreSearchGcdMapEntry (*BaseAddress, Length, &StartLink, &EndLink, Map);\r | |
1108 | if (EFI_ERROR (Status)) {\r | |
1109 | Status = EFI_NOT_FOUND;\r | |
1110 | goto Done;\r | |
1111 | }\r | |
d2fbaaab | 1112 | ASSERT (StartLink != NULL && EndLink != NULL);\r |
28a00297 | 1113 | \r |
1114 | //\r | |
1115 | // Verify that the list of descriptors are unallocated memory matching GcdMemoryType.\r | |
1116 | //\r | |
1117 | Link = StartLink;\r | |
1118 | while (Link != EndLink->ForwardLink) {\r | |
1119 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1120 | Link = Link->ForwardLink;\r | |
1121 | Status = CoreAllocateSpaceCheckEntry (Operation, Entry, GcdMemoryType, GcdIoType);\r | |
1122 | if (EFI_ERROR (Status)) {\r | |
1123 | goto Done;\r | |
1124 | }\r | |
1125 | }\r | |
1126 | Found = TRUE;\r | |
1127 | } else {\r | |
1128 | \r | |
1129 | Entry = CR (Map->BackLink, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1130 | \r | |
1131 | //\r | |
1132 | // Compute the maximum address to use in the search algorithm\r | |
1133 | //\r | |
1134 | if (GcdAllocateType == EfiGcdAllocateMaxAddressSearchBottomUp ||\r | |
1135 | GcdAllocateType == EfiGcdAllocateMaxAddressSearchTopDown ) {\r | |
1136 | MaxAddress = *BaseAddress;\r | |
1137 | } else {\r | |
1138 | MaxAddress = Entry->EndAddress;\r | |
1139 | }\r | |
1140 | \r | |
1141 | //\r | |
1142 | // Verify that the list of descriptors are unallocated memory matching GcdMemoryType.\r | |
1143 | //\r | |
1144 | if (GcdAllocateType == EfiGcdAllocateMaxAddressSearchTopDown ||\r | |
1145 | GcdAllocateType == EfiGcdAllocateAnySearchTopDown ) {\r | |
1146 | Link = Map->BackLink;\r | |
1147 | } else {\r | |
1148 | Link = Map->ForwardLink;\r | |
1149 | }\r | |
1150 | while (Link != Map) {\r | |
1151 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1152 | \r | |
1153 | if (GcdAllocateType == EfiGcdAllocateMaxAddressSearchTopDown ||\r | |
1154 | GcdAllocateType == EfiGcdAllocateAnySearchTopDown ) {\r | |
1155 | Link = Link->BackLink;\r | |
1156 | } else {\r | |
1157 | Link = Link->ForwardLink;\r | |
1158 | }\r | |
1159 | \r | |
1160 | Status = CoreAllocateSpaceCheckEntry (Operation, Entry, GcdMemoryType, GcdIoType);\r | |
1161 | if (EFI_ERROR (Status)) {\r | |
1162 | continue;\r | |
1163 | }\r | |
1164 | \r | |
1165 | if (GcdAllocateType == EfiGcdAllocateMaxAddressSearchTopDown ||\r | |
e94a9ff7 | 1166 | GcdAllocateType == EfiGcdAllocateAnySearchTopDown) {\r |
28a00297 | 1167 | if ((Entry->BaseAddress + Length) > MaxAddress) {\r |
1168 | continue;\r | |
1169 | }\r | |
1170 | if (Length > (Entry->EndAddress + 1)) {\r | |
1171 | Status = EFI_NOT_FOUND;\r | |
1172 | goto Done;\r | |
1173 | }\r | |
1174 | if (Entry->EndAddress > MaxAddress) {\r | |
1175 | *BaseAddress = MaxAddress;\r | |
1176 | } else {\r | |
1177 | *BaseAddress = Entry->EndAddress;\r | |
1178 | }\r | |
1179 | *BaseAddress = (*BaseAddress + 1 - Length) & (~AlignmentMask);\r | |
1180 | } else {\r | |
1181 | *BaseAddress = (Entry->BaseAddress + AlignmentMask) & (~AlignmentMask);\r | |
1182 | if ((*BaseAddress + Length - 1) > MaxAddress) {\r | |
1183 | Status = EFI_NOT_FOUND;\r | |
1184 | goto Done;\r | |
1185 | }\r | |
1186 | }\r | |
1187 | \r | |
1188 | //\r | |
1189 | // Search for the list of descriptors that cover the range BaseAddress to BaseAddress+Length\r | |
1190 | //\r | |
1191 | Status = CoreSearchGcdMapEntry (*BaseAddress, Length, &StartLink, &EndLink, Map);\r | |
1192 | if (EFI_ERROR (Status)) {\r | |
1193 | Status = EFI_NOT_FOUND;\r | |
1194 | goto Done;\r | |
1195 | }\r | |
d2fbaaab | 1196 | ASSERT (StartLink != NULL && EndLink != NULL);\r |
28a00297 | 1197 | \r |
1198 | Link = StartLink;\r | |
1199 | //\r | |
1200 | // Verify that the list of descriptors are unallocated memory matching GcdMemoryType.\r | |
1201 | //\r | |
1202 | Found = TRUE;\r | |
1203 | SubLink = StartLink;\r | |
1204 | while (SubLink != EndLink->ForwardLink) {\r | |
1205 | Entry = CR (SubLink, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1206 | Status = CoreAllocateSpaceCheckEntry (Operation, Entry, GcdMemoryType, GcdIoType);\r | |
1207 | if (EFI_ERROR (Status)) {\r | |
1208 | Link = SubLink;\r | |
1209 | Found = FALSE;\r | |
1210 | break;\r | |
1211 | }\r | |
1212 | SubLink = SubLink->ForwardLink;\r | |
1213 | }\r | |
1214 | if (Found) {\r | |
1215 | break;\r | |
1216 | }\r | |
1217 | }\r | |
1218 | }\r | |
1219 | if (!Found) {\r | |
1220 | Status = EFI_NOT_FOUND;\r | |
1221 | goto Done;\r | |
1222 | }\r | |
1223 | \r | |
1224 | //\r | |
1225 | // Allocate work space to perform this operation\r | |
1226 | //\r | |
1227 | Status = CoreAllocateGcdMapEntry (&TopEntry, &BottomEntry);\r | |
1228 | if (EFI_ERROR (Status)) {\r | |
1229 | Status = EFI_OUT_OF_RESOURCES;\r | |
1230 | goto Done;\r | |
1231 | }\r | |
d2fbaaab | 1232 | ASSERT (TopEntry != NULL && BottomEntry != NULL);\r |
28a00297 | 1233 | \r |
1234 | //\r | |
1235 | // Convert/Insert the list of descriptors from StartLink to EndLink\r | |
1236 | //\r | |
1237 | Link = StartLink;\r | |
1238 | while (Link != EndLink->ForwardLink) {\r | |
1239 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1240 | CoreInsertGcdMapEntry (Link, Entry, *BaseAddress, Length, TopEntry, BottomEntry);\r | |
1241 | Entry->ImageHandle = ImageHandle;\r | |
1242 | Entry->DeviceHandle = DeviceHandle;\r | |
1243 | Link = Link->ForwardLink;\r | |
1244 | }\r | |
1245 | \r | |
1246 | //\r | |
1247 | // Cleanup\r | |
1248 | //\r | |
1249 | Status = CoreCleanupGcdMapEntry (TopEntry, BottomEntry, StartLink, EndLink, Map);\r | |
1250 | \r | |
1251 | Done:\r | |
aa927cae | 1252 | DEBUG ((DEBUG_GCD, " Status = %r", Status));\r |
1253 | if (!EFI_ERROR (Status)) {\r | |
1254 | DEBUG ((DEBUG_GCD, " (BaseAddress = %016lx)", *BaseAddress));\r | |
1255 | }\r | |
1256 | DEBUG ((DEBUG_GCD, "\n"));\r | |
f9d1f97c | 1257 | \r |
71f68914 | 1258 | if ((Operation & GCD_MEMORY_SPACE_OPERATION) != 0) {\r |
28a00297 | 1259 | CoreReleaseGcdMemoryLock ();\r |
aa927cae | 1260 | CoreDumpGcdMemorySpaceMap (FALSE);\r |
28a00297 | 1261 | }\r |
71f68914 | 1262 | if ((Operation & GCD_IO_SPACE_OPERATION) !=0) {\r |
28a00297 | 1263 | CoreReleaseGcdIoLock ();\r |
aa927cae | 1264 | CoreDumpGcdIoSpaceMap (FALSE);\r |
28a00297 | 1265 | }\r |
aa927cae | 1266 | \r |
28a00297 | 1267 | return Status;\r |
1268 | }\r | |
1269 | \r | |
28a00297 | 1270 | \r |
162ed594 | 1271 | /**\r |
28a00297 | 1272 | Add a segment of memory to GCD map.\r |
1273 | \r | |
022c6d45 | 1274 | @param GcdMemoryType Memory type of the segment.\r |
1275 | @param BaseAddress Base address of the segment.\r | |
1276 | @param Length Length of the segment.\r | |
1277 | @param Capabilities alterable attributes of the segment.\r | |
28a00297 | 1278 | \r |
022c6d45 | 1279 | @retval EFI_INVALID_PARAMETER Invalid parameters.\r |
162ed594 | 1280 | @retval EFI_SUCCESS Successfully add a segment of memory space.\r |
28a00297 | 1281 | \r |
162ed594 | 1282 | **/\r |
162ed594 | 1283 | EFI_STATUS\r |
1284 | CoreInternalAddMemorySpace (\r | |
1285 | IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
1286 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1287 | IN UINT64 Length,\r | |
1288 | IN UINT64 Capabilities\r | |
1289 | )\r | |
28a00297 | 1290 | {\r |
f9d1f97c | 1291 | DEBUG ((DEBUG_GCD, "GCD:AddMemorySpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1292 | DEBUG ((DEBUG_GCD, " GcdMemoryType = %a\n", mGcdMemoryTypeNames[MIN (GcdMemoryType, EfiGcdMemoryTypeMaximum)]));\r | |
1293 | DEBUG ((DEBUG_GCD, " Capabilities = %016lx\n", Capabilities));\r | |
1294 | \r | |
28a00297 | 1295 | //\r |
1296 | // Make sure parameters are valid\r | |
1297 | //\r | |
1298 | if (GcdMemoryType <= EfiGcdMemoryTypeNonExistent || GcdMemoryType >= EfiGcdMemoryTypeMaximum) {\r | |
1299 | return EFI_INVALID_PARAMETER;\r | |
1300 | }\r | |
1301 | \r | |
1302 | return CoreConvertSpace (GCD_ADD_MEMORY_OPERATION, GcdMemoryType, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, Capabilities, 0);\r | |
1303 | }\r | |
1304 | \r | |
1305 | //\r | |
1306 | // GCD Core Services\r | |
1307 | //\r | |
162ed594 | 1308 | \r |
1309 | /**\r | |
1310 | Allocates nonexistent memory, reserved memory, system memory, or memorymapped\r | |
1311 | I/O resources from the global coherency domain of the processor.\r | |
1312 | \r | |
022c6d45 | 1313 | @param GcdAllocateType The type of allocate operation\r |
1314 | @param GcdMemoryType The desired memory type\r | |
1315 | @param Alignment Align with 2^Alignment\r | |
1316 | @param Length Length to allocate\r | |
1317 | @param BaseAddress Base address to allocate\r | |
1318 | @param ImageHandle The image handle consume the allocated space.\r | |
1319 | @param DeviceHandle The device handle consume the allocated space.\r | |
162ed594 | 1320 | \r |
022c6d45 | 1321 | @retval EFI_INVALID_PARAMETER Invalid parameter.\r |
1322 | @retval EFI_NOT_FOUND No descriptor contains the desired space.\r | |
162ed594 | 1323 | @retval EFI_SUCCESS Memory space successfully allocated.\r |
1324 | \r | |
1325 | **/\r | |
28a00297 | 1326 | EFI_STATUS\r |
3b6ffb6a | 1327 | EFIAPI\r |
28a00297 | 1328 | CoreAllocateMemorySpace (\r |
1329 | IN EFI_GCD_ALLOCATE_TYPE GcdAllocateType,\r | |
1330 | IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
1331 | IN UINTN Alignment,\r | |
1332 | IN UINT64 Length,\r | |
1333 | IN OUT EFI_PHYSICAL_ADDRESS *BaseAddress,\r | |
1334 | IN EFI_HANDLE ImageHandle,\r | |
1335 | IN EFI_HANDLE DeviceHandle OPTIONAL\r | |
1336 | )\r | |
28a00297 | 1337 | {\r |
f9d1f97c | 1338 | DEBUG ((DEBUG_GCD, "GCD:AllocateMemorySpace(Base=%016lx,Length=%016lx)\n", *BaseAddress, Length));\r |
1339 | DEBUG ((DEBUG_GCD, " GcdAllocateType = %a\n", mGcdAllocationTypeNames[MIN (GcdAllocateType, EfiGcdMaxAllocateType)]));\r | |
1340 | DEBUG ((DEBUG_GCD, " GcdMemoryType = %a\n", mGcdMemoryTypeNames[MIN (GcdMemoryType, EfiGcdMemoryTypeMaximum)]));\r | |
1341 | DEBUG ((DEBUG_GCD, " Alignment = %016lx\n", LShiftU64 (1, Alignment)));\r | |
1342 | DEBUG ((DEBUG_GCD, " ImageHandle = %p\n", ImageHandle));\r | |
1343 | DEBUG ((DEBUG_GCD, " DeviceHandle = %p\n", DeviceHandle));\r | |
1344 | \r | |
28a00297 | 1345 | return CoreAllocateSpace (\r |
022c6d45 | 1346 | GCD_ALLOCATE_MEMORY_OPERATION,\r |
1347 | GcdAllocateType,\r | |
1348 | GcdMemoryType,\r | |
1349 | (EFI_GCD_IO_TYPE) 0,\r | |
1350 | Alignment,\r | |
1351 | Length,\r | |
1352 | BaseAddress,\r | |
1353 | ImageHandle,\r | |
28a00297 | 1354 | DeviceHandle\r |
1355 | );\r | |
1356 | }\r | |
1357 | \r | |
162ed594 | 1358 | \r |
1359 | /**\r | |
1360 | Adds reserved memory, system memory, or memory-mapped I/O resources to the\r | |
1361 | global coherency domain of the processor.\r | |
1362 | \r | |
022c6d45 | 1363 | @param GcdMemoryType Memory type of the memory space.\r |
1364 | @param BaseAddress Base address of the memory space.\r | |
1365 | @param Length Length of the memory space.\r | |
1366 | @param Capabilities alterable attributes of the memory space.\r | |
162ed594 | 1367 | \r |
1368 | @retval EFI_SUCCESS Merged this memory space into GCD map.\r | |
1369 | \r | |
1370 | **/\r | |
28a00297 | 1371 | EFI_STATUS\r |
3b6ffb6a | 1372 | EFIAPI\r |
28a00297 | 1373 | CoreAddMemorySpace (\r |
1374 | IN EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
1375 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1376 | IN UINT64 Length,\r | |
1377 | IN UINT64 Capabilities\r | |
1378 | )\r | |
28a00297 | 1379 | {\r |
1380 | EFI_STATUS Status;\r | |
1381 | EFI_PHYSICAL_ADDRESS PageBaseAddress;\r | |
1382 | UINT64 PageLength;\r | |
1383 | \r | |
1384 | Status = CoreInternalAddMemorySpace (GcdMemoryType, BaseAddress, Length, Capabilities);\r | |
1385 | \r | |
1386 | if (!EFI_ERROR (Status) && GcdMemoryType == EfiGcdMemoryTypeSystemMemory) {\r | |
1387 | \r | |
1388 | PageBaseAddress = PageAlignLength (BaseAddress);\r | |
1389 | PageLength = PageAlignLength (BaseAddress + Length - PageBaseAddress);\r | |
1390 | \r | |
1391 | Status = CoreAllocateMemorySpace (\r | |
1392 | EfiGcdAllocateAddress,\r | |
1393 | GcdMemoryType,\r | |
022c6d45 | 1394 | EFI_PAGE_SHIFT,\r |
28a00297 | 1395 | PageLength,\r |
1396 | &PageBaseAddress,\r | |
1397 | gDxeCoreImageHandle,\r | |
1398 | NULL\r | |
1399 | );\r | |
1400 | \r | |
1401 | if (!EFI_ERROR (Status)) {\r | |
1402 | CoreAddMemoryDescriptor (\r | |
1403 | EfiConventionalMemory,\r | |
1404 | PageBaseAddress,\r | |
1405 | RShiftU64 (PageLength, EFI_PAGE_SHIFT),\r | |
1406 | Capabilities\r | |
1407 | );\r | |
1408 | } else {\r | |
1409 | for (; PageLength != 0; PageLength -= EFI_PAGE_SIZE, PageBaseAddress += EFI_PAGE_SIZE) {\r | |
1410 | Status = CoreAllocateMemorySpace (\r | |
1411 | EfiGcdAllocateAddress,\r | |
1412 | GcdMemoryType,\r | |
022c6d45 | 1413 | EFI_PAGE_SHIFT,\r |
28a00297 | 1414 | EFI_PAGE_SIZE,\r |
1415 | &PageBaseAddress,\r | |
1416 | gDxeCoreImageHandle,\r | |
1417 | NULL\r | |
1418 | );\r | |
1419 | \r | |
1420 | if (!EFI_ERROR (Status)) {\r | |
1421 | CoreAddMemoryDescriptor (\r | |
1422 | EfiConventionalMemory,\r | |
1423 | PageBaseAddress,\r | |
1424 | 1,\r | |
1425 | Capabilities\r | |
1426 | );\r | |
1427 | }\r | |
1428 | }\r | |
1429 | }\r | |
1430 | }\r | |
1431 | return Status;\r | |
1432 | }\r | |
1433 | \r | |
28a00297 | 1434 | \r |
162ed594 | 1435 | /**\r |
28a00297 | 1436 | Frees nonexistent memory, reserved memory, system memory, or memory-mapped\r |
162ed594 | 1437 | I/O resources from the global coherency domain of the processor.\r |
28a00297 | 1438 | \r |
022c6d45 | 1439 | @param BaseAddress Base address of the memory space.\r |
1440 | @param Length Length of the memory space.\r | |
28a00297 | 1441 | \r |
162ed594 | 1442 | @retval EFI_SUCCESS Space successfully freed.\r |
28a00297 | 1443 | \r |
162ed594 | 1444 | **/\r |
28a00297 | 1445 | EFI_STATUS\r |
3b6ffb6a | 1446 | EFIAPI\r |
162ed594 | 1447 | CoreFreeMemorySpace (\r |
28a00297 | 1448 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r |
1449 | IN UINT64 Length\r | |
1450 | )\r | |
162ed594 | 1451 | {\r |
f9d1f97c | 1452 | DEBUG ((DEBUG_GCD, "GCD:FreeMemorySpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1453 | \r | |
162ed594 | 1454 | return CoreConvertSpace (GCD_FREE_MEMORY_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, 0, 0);\r |
1455 | }\r | |
28a00297 | 1456 | \r |
28a00297 | 1457 | \r |
162ed594 | 1458 | /**\r |
28a00297 | 1459 | Removes reserved memory, system memory, or memory-mapped I/O resources from\r |
162ed594 | 1460 | the global coherency domain of the processor.\r |
28a00297 | 1461 | \r |
022c6d45 | 1462 | @param BaseAddress Base address of the memory space.\r |
1463 | @param Length Length of the memory space.\r | |
28a00297 | 1464 | \r |
162ed594 | 1465 | @retval EFI_SUCCESS Successfully remove a segment of memory space.\r |
28a00297 | 1466 | \r |
162ed594 | 1467 | **/\r |
1468 | EFI_STATUS\r | |
3b6ffb6a | 1469 | EFIAPI\r |
162ed594 | 1470 | CoreRemoveMemorySpace (\r |
1471 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1472 | IN UINT64 Length\r | |
1473 | )\r | |
28a00297 | 1474 | {\r |
f9d1f97c | 1475 | DEBUG ((DEBUG_GCD, "GCD:RemoveMemorySpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1476 | \r | |
28a00297 | 1477 | return CoreConvertSpace (GCD_REMOVE_MEMORY_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, 0, 0);\r |
1478 | }\r | |
1479 | \r | |
162ed594 | 1480 | \r |
1481 | /**\r | |
1482 | Build a memory descriptor according to an entry.\r | |
1483 | \r | |
022c6d45 | 1484 | @param Descriptor The descriptor to be built\r |
162ed594 | 1485 | @param Entry According to this entry\r |
1486 | \r | |
1487 | **/\r | |
28a00297 | 1488 | VOID\r |
1489 | BuildMemoryDescriptor (\r | |
1490 | IN OUT EFI_GCD_MEMORY_SPACE_DESCRIPTOR *Descriptor,\r | |
1491 | IN EFI_GCD_MAP_ENTRY *Entry\r | |
1492 | )\r | |
28a00297 | 1493 | {\r |
1494 | Descriptor->BaseAddress = Entry->BaseAddress;\r | |
1495 | Descriptor->Length = Entry->EndAddress - Entry->BaseAddress + 1;\r | |
1496 | Descriptor->Capabilities = Entry->Capabilities;\r | |
1497 | Descriptor->Attributes = Entry->Attributes;\r | |
1498 | Descriptor->GcdMemoryType = Entry->GcdMemoryType;\r | |
1499 | Descriptor->ImageHandle = Entry->ImageHandle;\r | |
1500 | Descriptor->DeviceHandle = Entry->DeviceHandle;\r | |
1501 | }\r | |
1502 | \r | |
28a00297 | 1503 | \r |
162ed594 | 1504 | /**\r |
28a00297 | 1505 | Retrieves the descriptor for a memory region containing a specified address.\r |
1506 | \r | |
022c6d45 | 1507 | @param BaseAddress Specified start address\r |
1508 | @param Descriptor Specified length\r | |
28a00297 | 1509 | \r |
022c6d45 | 1510 | @retval EFI_INVALID_PARAMETER Invalid parameter\r |
162ed594 | 1511 | @retval EFI_SUCCESS Successfully get memory space descriptor.\r |
28a00297 | 1512 | \r |
162ed594 | 1513 | **/\r |
1514 | EFI_STATUS\r | |
3b6ffb6a | 1515 | EFIAPI\r |
162ed594 | 1516 | CoreGetMemorySpaceDescriptor (\r |
1517 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1518 | OUT EFI_GCD_MEMORY_SPACE_DESCRIPTOR *Descriptor\r | |
1519 | )\r | |
28a00297 | 1520 | {\r |
1521 | EFI_STATUS Status;\r | |
1522 | LIST_ENTRY *StartLink;\r | |
1523 | LIST_ENTRY *EndLink;\r | |
1524 | EFI_GCD_MAP_ENTRY *Entry;\r | |
1525 | \r | |
1526 | //\r | |
1527 | // Make sure parameters are valid\r | |
1528 | //\r | |
1529 | if (Descriptor == NULL) {\r | |
1530 | return EFI_INVALID_PARAMETER;\r | |
1531 | }\r | |
1532 | \r | |
1533 | CoreAcquireGcdMemoryLock ();\r | |
1534 | \r | |
1535 | //\r | |
022c6d45 | 1536 | // Search for the list of descriptors that contain BaseAddress\r |
28a00297 | 1537 | //\r |
1538 | Status = CoreSearchGcdMapEntry (BaseAddress, 1, &StartLink, &EndLink, &mGcdMemorySpaceMap);\r | |
1539 | if (EFI_ERROR (Status)) {\r | |
1540 | Status = EFI_NOT_FOUND;\r | |
1541 | } else {\r | |
d2fbaaab | 1542 | ASSERT (StartLink != NULL && EndLink != NULL);\r |
28a00297 | 1543 | //\r |
1544 | // Copy the contents of the found descriptor into Descriptor\r | |
1545 | //\r | |
1546 | Entry = CR (StartLink, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1547 | BuildMemoryDescriptor (Descriptor, Entry);\r | |
1548 | }\r | |
1549 | \r | |
1550 | CoreReleaseGcdMemoryLock ();\r | |
1551 | \r | |
1552 | return Status;\r | |
1553 | }\r | |
1554 | \r | |
162ed594 | 1555 | \r |
1556 | /**\r | |
1557 | Modifies the attributes for a memory region in the global coherency domain of the\r | |
1558 | processor.\r | |
1559 | \r | |
022c6d45 | 1560 | @param BaseAddress Specified start address\r |
1561 | @param Length Specified length\r | |
1562 | @param Attributes Specified attributes\r | |
162ed594 | 1563 | \r |
fc8ff20f | 1564 | @retval EFI_SUCCESS The attributes were set for the memory region.\r |
1565 | @retval EFI_INVALID_PARAMETER Length is zero. \r | |
1566 | @retval EFI_UNSUPPORTED The processor does not support one or more bytes of the memory\r | |
1567 | resource range specified by BaseAddress and Length.\r | |
1568 | @retval EFI_UNSUPPORTED The bit mask of attributes is not support for the memory resource\r | |
1569 | range specified by BaseAddress and Length.\r | |
1570 | @retval EFI_ACCESS_DEFINED The attributes for the memory resource range specified by\r | |
1571 | BaseAddress and Length cannot be modified.\r | |
1572 | @retval EFI_OUT_OF_RESOURCES There are not enough system resources to modify the attributes of\r | |
1573 | the memory resource range.\r | |
1574 | @retval EFI_NOT_AVAILABLE_YET The attributes cannot be set because CPU architectural protocol is\r | |
1575 | not available yet.\r | |
162ed594 | 1576 | \r |
1577 | **/\r | |
28a00297 | 1578 | EFI_STATUS\r |
3b6ffb6a | 1579 | EFIAPI\r |
28a00297 | 1580 | CoreSetMemorySpaceAttributes (\r |
1581 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1582 | IN UINT64 Length,\r | |
1583 | IN UINT64 Attributes\r | |
1584 | )\r | |
162ed594 | 1585 | {\r |
f9d1f97c | 1586 | DEBUG ((DEBUG_GCD, "GCD:SetMemorySpaceAttributes(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1587 | DEBUG ((DEBUG_GCD, " Attributes = %016lx\n", Attributes));\r | |
1588 | \r | |
162ed594 | 1589 | return CoreConvertSpace (GCD_SET_ATTRIBUTES_MEMORY_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, 0, Attributes);\r |
1590 | }\r | |
28a00297 | 1591 | \r |
28a00297 | 1592 | \r |
771ee501 EC |
1593 | /**\r |
1594 | Modifies the capabilities for a memory region in the global coherency domain of the\r | |
1595 | processor.\r | |
1596 | \r | |
1597 | @param BaseAddress The physical address that is the start address of a memory region.\r | |
1598 | @param Length The size in bytes of the memory region.\r | |
1599 | @param Capabilities The bit mask of capabilities that the memory region supports.\r | |
1600 | \r | |
1601 | @retval EFI_SUCCESS The capabilities were set for the memory region.\r | |
1602 | @retval EFI_INVALID_PARAMETER Length is zero.\r | |
1603 | @retval EFI_UNSUPPORTED The capabilities specified by Capabilities do not include the\r | |
1604 | memory region attributes currently in use.\r | |
1605 | @retval EFI_ACCESS_DENIED The capabilities for the memory resource range specified by\r | |
1606 | BaseAddress and Length cannot be modified.\r | |
1607 | @retval EFI_OUT_OF_RESOURCES There are not enough system resources to modify the capabilities\r | |
1608 | of the memory resource range.\r | |
1609 | **/\r | |
1610 | EFI_STATUS\r | |
1611 | EFIAPI\r | |
1612 | CoreSetMemorySpaceCapabilities (\r | |
1613 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1614 | IN UINT64 Length,\r | |
1615 | IN UINT64 Capabilities\r | |
1616 | )\r | |
1617 | {\r | |
736a692e HT |
1618 | EFI_STATUS Status;\r |
1619 | \r | |
771ee501 | 1620 | DEBUG ((DEBUG_GCD, "GCD:CoreSetMemorySpaceCapabilities(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
736a692e HT |
1621 | DEBUG ((DEBUG_GCD, " Capabilities = %016lx\n", Capabilities));\r |
1622 | \r | |
1623 | Status = CoreConvertSpace (GCD_SET_CAPABILITIES_MEMORY_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, Capabilities, 0);\r | |
771ee501 | 1624 | if (!EFI_ERROR(Status)) {\r |
736a692e HT |
1625 | CoreUpdateMemoryAttributes(BaseAddress, RShiftU64(Length, EFI_PAGE_SHIFT), Capabilities);\r |
1626 | }\r | |
1627 | \r | |
771ee501 EC |
1628 | return Status;\r |
1629 | }\r | |
1630 | \r | |
1631 | \r | |
162ed594 | 1632 | /**\r |
1633 | Returns a map of the memory resources in the global coherency domain of the\r | |
1634 | processor.\r | |
28a00297 | 1635 | \r |
022c6d45 | 1636 | @param NumberOfDescriptors Number of descriptors.\r |
1637 | @param MemorySpaceMap Descriptor array\r | |
28a00297 | 1638 | \r |
022c6d45 | 1639 | @retval EFI_INVALID_PARAMETER Invalid parameter\r |
1640 | @retval EFI_OUT_OF_RESOURCES No enough buffer to allocate\r | |
162ed594 | 1641 | @retval EFI_SUCCESS Successfully get memory space map.\r |
28a00297 | 1642 | \r |
162ed594 | 1643 | **/\r |
28a00297 | 1644 | EFI_STATUS\r |
3b6ffb6a | 1645 | EFIAPI\r |
28a00297 | 1646 | CoreGetMemorySpaceMap (\r |
1647 | OUT UINTN *NumberOfDescriptors,\r | |
1648 | OUT EFI_GCD_MEMORY_SPACE_DESCRIPTOR **MemorySpaceMap\r | |
1649 | )\r | |
28a00297 | 1650 | {\r |
1651 | EFI_STATUS Status;\r | |
1652 | LIST_ENTRY *Link;\r | |
1653 | EFI_GCD_MAP_ENTRY *Entry;\r | |
1654 | EFI_GCD_MEMORY_SPACE_DESCRIPTOR *Descriptor;\r | |
1655 | \r | |
1656 | //\r | |
1657 | // Make sure parameters are valid\r | |
1658 | //\r | |
1659 | if (NumberOfDescriptors == NULL) {\r | |
1660 | return EFI_INVALID_PARAMETER;\r | |
1661 | }\r | |
1662 | if (MemorySpaceMap == NULL) {\r | |
1663 | return EFI_INVALID_PARAMETER;\r | |
1664 | }\r | |
1665 | \r | |
1666 | CoreAcquireGcdMemoryLock ();\r | |
1667 | \r | |
1668 | //\r | |
1669 | // Count the number of descriptors\r | |
1670 | //\r | |
1671 | *NumberOfDescriptors = CoreCountGcdMapEntry (&mGcdMemorySpaceMap);\r | |
1672 | \r | |
1673 | //\r | |
1674 | // Allocate the MemorySpaceMap\r | |
1675 | //\r | |
9c4ac31c | 1676 | *MemorySpaceMap = AllocatePool (*NumberOfDescriptors * sizeof (EFI_GCD_MEMORY_SPACE_DESCRIPTOR));\r |
28a00297 | 1677 | if (*MemorySpaceMap == NULL) {\r |
1678 | Status = EFI_OUT_OF_RESOURCES;\r | |
1679 | goto Done;\r | |
1680 | }\r | |
1681 | \r | |
1682 | //\r | |
1683 | // Fill in the MemorySpaceMap\r | |
1684 | //\r | |
1685 | Descriptor = *MemorySpaceMap;\r | |
1686 | Link = mGcdMemorySpaceMap.ForwardLink;\r | |
1687 | while (Link != &mGcdMemorySpaceMap) {\r | |
1688 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1689 | BuildMemoryDescriptor (Descriptor, Entry);\r | |
1690 | Descriptor++;\r | |
1691 | Link = Link->ForwardLink;\r | |
1692 | }\r | |
1693 | Status = EFI_SUCCESS;\r | |
1694 | \r | |
1695 | Done:\r | |
1696 | CoreReleaseGcdMemoryLock ();\r | |
1697 | return Status;\r | |
1698 | }\r | |
1699 | \r | |
162ed594 | 1700 | \r |
1701 | /**\r | |
1702 | Adds reserved I/O or I/O resources to the global coherency domain of the processor.\r | |
1703 | \r | |
022c6d45 | 1704 | @param GcdIoType IO type of the segment.\r |
1705 | @param BaseAddress Base address of the segment.\r | |
1706 | @param Length Length of the segment.\r | |
162ed594 | 1707 | \r |
022c6d45 | 1708 | @retval EFI_SUCCESS Merged this segment into GCD map.\r |
162ed594 | 1709 | @retval EFI_INVALID_PARAMETER Parameter not valid\r |
1710 | \r | |
1711 | **/\r | |
28a00297 | 1712 | EFI_STATUS\r |
3b6ffb6a | 1713 | EFIAPI\r |
28a00297 | 1714 | CoreAddIoSpace (\r |
1715 | IN EFI_GCD_IO_TYPE GcdIoType,\r | |
1716 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1717 | IN UINT64 Length\r | |
1718 | )\r | |
28a00297 | 1719 | {\r |
f9d1f97c | 1720 | DEBUG ((DEBUG_GCD, "GCD:AddIoSpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1721 | DEBUG ((DEBUG_GCD, " GcdIoType = %a\n", mGcdIoTypeNames[MIN (GcdIoType, EfiGcdIoTypeMaximum)]));\r | |
1722 | \r | |
28a00297 | 1723 | //\r |
1724 | // Make sure parameters are valid\r | |
1725 | //\r | |
1726 | if (GcdIoType <= EfiGcdIoTypeNonExistent || GcdIoType >= EfiGcdIoTypeMaximum) {\r | |
1727 | return EFI_INVALID_PARAMETER;\r | |
1728 | }\r | |
1729 | return CoreConvertSpace (GCD_ADD_IO_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, GcdIoType, BaseAddress, Length, 0, 0);\r | |
1730 | }\r | |
1731 | \r | |
162ed594 | 1732 | \r |
1733 | /**\r | |
1734 | Allocates nonexistent I/O, reserved I/O, or I/O resources from the global coherency\r | |
1735 | domain of the processor.\r | |
1736 | \r | |
022c6d45 | 1737 | @param GcdAllocateType The type of allocate operation\r |
1738 | @param GcdIoType The desired IO type\r | |
1739 | @param Alignment Align with 2^Alignment\r | |
1740 | @param Length Length to allocate\r | |
1741 | @param BaseAddress Base address to allocate\r | |
1742 | @param ImageHandle The image handle consume the allocated space.\r | |
1743 | @param DeviceHandle The device handle consume the allocated space.\r | |
162ed594 | 1744 | \r |
022c6d45 | 1745 | @retval EFI_INVALID_PARAMETER Invalid parameter.\r |
1746 | @retval EFI_NOT_FOUND No descriptor contains the desired space.\r | |
162ed594 | 1747 | @retval EFI_SUCCESS IO space successfully allocated.\r |
1748 | \r | |
1749 | **/\r | |
28a00297 | 1750 | EFI_STATUS\r |
3b6ffb6a | 1751 | EFIAPI\r |
28a00297 | 1752 | CoreAllocateIoSpace (\r |
1753 | IN EFI_GCD_ALLOCATE_TYPE GcdAllocateType,\r | |
1754 | IN EFI_GCD_IO_TYPE GcdIoType,\r | |
1755 | IN UINTN Alignment,\r | |
1756 | IN UINT64 Length,\r | |
1757 | IN OUT EFI_PHYSICAL_ADDRESS *BaseAddress,\r | |
1758 | IN EFI_HANDLE ImageHandle,\r | |
1759 | IN EFI_HANDLE DeviceHandle OPTIONAL\r | |
1760 | )\r | |
28a00297 | 1761 | {\r |
f9d1f97c | 1762 | DEBUG ((DEBUG_GCD, "GCD:AllocateIoSpace(Base=%016lx,Length=%016lx)\n", *BaseAddress, Length));\r |
1763 | DEBUG ((DEBUG_GCD, " GcdAllocateType = %a\n", mGcdAllocationTypeNames[MIN (GcdAllocateType, EfiGcdMaxAllocateType)]));\r | |
5d1cf216 | 1764 | DEBUG ((DEBUG_GCD, " GcdIoType = %a\n", mGcdIoTypeNames[MIN (GcdIoType, EfiGcdIoTypeMaximum)]));\r |
f9d1f97c | 1765 | DEBUG ((DEBUG_GCD, " Alignment = %016lx\n", LShiftU64 (1, Alignment)));\r |
1766 | DEBUG ((DEBUG_GCD, " ImageHandle = %p\n", ImageHandle));\r | |
1767 | DEBUG ((DEBUG_GCD, " DeviceHandle = %p\n", DeviceHandle));\r | |
1768 | \r | |
28a00297 | 1769 | return CoreAllocateSpace (\r |
022c6d45 | 1770 | GCD_ALLOCATE_IO_OPERATION,\r |
1771 | GcdAllocateType,\r | |
1772 | (EFI_GCD_MEMORY_TYPE) 0,\r | |
1773 | GcdIoType,\r | |
1774 | Alignment,\r | |
1775 | Length,\r | |
1776 | BaseAddress,\r | |
1777 | ImageHandle,\r | |
28a00297 | 1778 | DeviceHandle\r |
1779 | );\r | |
1780 | }\r | |
1781 | \r | |
28a00297 | 1782 | \r |
162ed594 | 1783 | /**\r |
28a00297 | 1784 | Frees nonexistent I/O, reserved I/O, or I/O resources from the global coherency\r |
162ed594 | 1785 | domain of the processor.\r |
28a00297 | 1786 | \r |
022c6d45 | 1787 | @param BaseAddress Base address of the segment.\r |
1788 | @param Length Length of the segment.\r | |
28a00297 | 1789 | \r |
162ed594 | 1790 | @retval EFI_SUCCESS Space successfully freed.\r |
28a00297 | 1791 | \r |
162ed594 | 1792 | **/\r |
28a00297 | 1793 | EFI_STATUS\r |
3b6ffb6a | 1794 | EFIAPI\r |
162ed594 | 1795 | CoreFreeIoSpace (\r |
28a00297 | 1796 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r |
1797 | IN UINT64 Length\r | |
1798 | )\r | |
162ed594 | 1799 | {\r |
f9d1f97c | 1800 | DEBUG ((DEBUG_GCD, "GCD:FreeIoSpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1801 | \r | |
162ed594 | 1802 | return CoreConvertSpace (GCD_FREE_IO_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, 0, 0);\r |
1803 | }\r | |
28a00297 | 1804 | \r |
28a00297 | 1805 | \r |
162ed594 | 1806 | /**\r |
28a00297 | 1807 | Removes reserved I/O or I/O resources from the global coherency domain of the\r |
162ed594 | 1808 | processor.\r |
28a00297 | 1809 | \r |
022c6d45 | 1810 | @param BaseAddress Base address of the segment.\r |
1811 | @param Length Length of the segment.\r | |
28a00297 | 1812 | \r |
162ed594 | 1813 | @retval EFI_SUCCESS Successfully removed a segment of IO space.\r |
28a00297 | 1814 | \r |
162ed594 | 1815 | **/\r |
1816 | EFI_STATUS\r | |
3b6ffb6a | 1817 | EFIAPI\r |
162ed594 | 1818 | CoreRemoveIoSpace (\r |
1819 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1820 | IN UINT64 Length\r | |
1821 | )\r | |
28a00297 | 1822 | {\r |
f9d1f97c | 1823 | DEBUG ((DEBUG_GCD, "GCD:RemoveIoSpace(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r |
1824 | \r | |
28a00297 | 1825 | return CoreConvertSpace (GCD_REMOVE_IO_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, 0, 0);\r |
1826 | }\r | |
1827 | \r | |
162ed594 | 1828 | \r |
1829 | /**\r | |
1830 | Build a IO descriptor according to an entry.\r | |
1831 | \r | |
022c6d45 | 1832 | @param Descriptor The descriptor to be built\r |
162ed594 | 1833 | @param Entry According to this entry\r |
1834 | \r | |
1835 | **/\r | |
28a00297 | 1836 | VOID\r |
1837 | BuildIoDescriptor (\r | |
1838 | IN EFI_GCD_IO_SPACE_DESCRIPTOR *Descriptor,\r | |
1839 | IN EFI_GCD_MAP_ENTRY *Entry\r | |
1840 | )\r | |
28a00297 | 1841 | {\r |
1842 | Descriptor->BaseAddress = Entry->BaseAddress;\r | |
1843 | Descriptor->Length = Entry->EndAddress - Entry->BaseAddress + 1;\r | |
1844 | Descriptor->GcdIoType = Entry->GcdIoType;\r | |
1845 | Descriptor->ImageHandle = Entry->ImageHandle;\r | |
1846 | Descriptor->DeviceHandle = Entry->DeviceHandle;\r | |
1847 | }\r | |
1848 | \r | |
28a00297 | 1849 | \r |
162ed594 | 1850 | /**\r |
28a00297 | 1851 | Retrieves the descriptor for an I/O region containing a specified address.\r |
1852 | \r | |
022c6d45 | 1853 | @param BaseAddress Specified start address\r |
1854 | @param Descriptor Specified length\r | |
28a00297 | 1855 | \r |
022c6d45 | 1856 | @retval EFI_INVALID_PARAMETER Descriptor is NULL.\r |
162ed594 | 1857 | @retval EFI_SUCCESS Successfully get the IO space descriptor.\r |
28a00297 | 1858 | \r |
162ed594 | 1859 | **/\r |
1860 | EFI_STATUS\r | |
3b6ffb6a | 1861 | EFIAPI\r |
162ed594 | 1862 | CoreGetIoSpaceDescriptor (\r |
1863 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
1864 | OUT EFI_GCD_IO_SPACE_DESCRIPTOR *Descriptor\r | |
1865 | )\r | |
28a00297 | 1866 | {\r |
1867 | EFI_STATUS Status;\r | |
1868 | LIST_ENTRY *StartLink;\r | |
1869 | LIST_ENTRY *EndLink;\r | |
1870 | EFI_GCD_MAP_ENTRY *Entry;\r | |
1871 | \r | |
1872 | //\r | |
1873 | // Make sure parameters are valid\r | |
1874 | //\r | |
1875 | if (Descriptor == NULL) {\r | |
1876 | return EFI_INVALID_PARAMETER;\r | |
1877 | }\r | |
1878 | \r | |
1879 | CoreAcquireGcdIoLock ();\r | |
1880 | \r | |
1881 | //\r | |
022c6d45 | 1882 | // Search for the list of descriptors that contain BaseAddress\r |
28a00297 | 1883 | //\r |
1884 | Status = CoreSearchGcdMapEntry (BaseAddress, 1, &StartLink, &EndLink, &mGcdIoSpaceMap);\r | |
1885 | if (EFI_ERROR (Status)) {\r | |
1886 | Status = EFI_NOT_FOUND;\r | |
1887 | } else {\r | |
d2fbaaab | 1888 | ASSERT (StartLink != NULL && EndLink != NULL);\r |
28a00297 | 1889 | //\r |
1890 | // Copy the contents of the found descriptor into Descriptor\r | |
1891 | //\r | |
1892 | Entry = CR (StartLink, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1893 | BuildIoDescriptor (Descriptor, Entry);\r | |
1894 | }\r | |
1895 | \r | |
1896 | CoreReleaseGcdIoLock ();\r | |
1897 | \r | |
1898 | return Status;\r | |
1899 | }\r | |
1900 | \r | |
28a00297 | 1901 | \r |
162ed594 | 1902 | /**\r |
28a00297 | 1903 | Returns a map of the I/O resources in the global coherency domain of the processor.\r |
1904 | \r | |
022c6d45 | 1905 | @param NumberOfDescriptors Number of descriptors.\r |
1906 | @param IoSpaceMap Descriptor array\r | |
28a00297 | 1907 | \r |
022c6d45 | 1908 | @retval EFI_INVALID_PARAMETER Invalid parameter\r |
1909 | @retval EFI_OUT_OF_RESOURCES No enough buffer to allocate\r | |
162ed594 | 1910 | @retval EFI_SUCCESS Successfully get IO space map.\r |
28a00297 | 1911 | \r |
162ed594 | 1912 | **/\r |
1913 | EFI_STATUS\r | |
3b6ffb6a | 1914 | EFIAPI\r |
162ed594 | 1915 | CoreGetIoSpaceMap (\r |
1916 | OUT UINTN *NumberOfDescriptors,\r | |
1917 | OUT EFI_GCD_IO_SPACE_DESCRIPTOR **IoSpaceMap\r | |
1918 | )\r | |
28a00297 | 1919 | {\r |
1920 | EFI_STATUS Status;\r | |
1921 | LIST_ENTRY *Link;\r | |
1922 | EFI_GCD_MAP_ENTRY *Entry;\r | |
1923 | EFI_GCD_IO_SPACE_DESCRIPTOR *Descriptor;\r | |
1924 | \r | |
1925 | //\r | |
1926 | // Make sure parameters are valid\r | |
1927 | //\r | |
1928 | if (NumberOfDescriptors == NULL) {\r | |
1929 | return EFI_INVALID_PARAMETER;\r | |
1930 | }\r | |
1931 | if (IoSpaceMap == NULL) {\r | |
1932 | return EFI_INVALID_PARAMETER;\r | |
1933 | }\r | |
1934 | \r | |
1935 | CoreAcquireGcdIoLock ();\r | |
1936 | \r | |
1937 | //\r | |
1938 | // Count the number of descriptors\r | |
1939 | //\r | |
1940 | *NumberOfDescriptors = CoreCountGcdMapEntry (&mGcdIoSpaceMap);\r | |
1941 | \r | |
1942 | //\r | |
1943 | // Allocate the IoSpaceMap\r | |
1944 | //\r | |
9c4ac31c | 1945 | *IoSpaceMap = AllocatePool (*NumberOfDescriptors * sizeof (EFI_GCD_IO_SPACE_DESCRIPTOR));\r |
28a00297 | 1946 | if (*IoSpaceMap == NULL) {\r |
1947 | Status = EFI_OUT_OF_RESOURCES;\r | |
1948 | goto Done;\r | |
1949 | }\r | |
1950 | \r | |
1951 | //\r | |
1952 | // Fill in the IoSpaceMap\r | |
1953 | //\r | |
1954 | Descriptor = *IoSpaceMap;\r | |
1955 | Link = mGcdIoSpaceMap.ForwardLink;\r | |
1956 | while (Link != &mGcdIoSpaceMap) {\r | |
1957 | Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r | |
1958 | BuildIoDescriptor (Descriptor, Entry);\r | |
1959 | Descriptor++;\r | |
1960 | Link = Link->ForwardLink;\r | |
1961 | }\r | |
1962 | Status = EFI_SUCCESS;\r | |
1963 | \r | |
1964 | Done:\r | |
1965 | CoreReleaseGcdIoLock ();\r | |
1966 | return Status;\r | |
022c6d45 | 1967 | }\r |
28a00297 | 1968 | \r |
aa927cae | 1969 | \r |
162ed594 | 1970 | /**\r |
1971 | Converts a Resource Descriptor HOB attributes mask to an EFI Memory Descriptor\r | |
1972 | capabilities mask\r | |
1973 | \r | |
022c6d45 | 1974 | @param GcdMemoryType Type of resource in the GCD memory map.\r |
1975 | @param Attributes The attribute mask in the Resource Descriptor\r | |
1976 | HOB.\r | |
162ed594 | 1977 | \r |
1978 | @return The capabilities mask for an EFI Memory Descriptor.\r | |
1979 | \r | |
1980 | **/\r | |
28a00297 | 1981 | UINT64\r |
1982 | CoreConvertResourceDescriptorHobAttributesToCapabilities (\r | |
1983 | EFI_GCD_MEMORY_TYPE GcdMemoryType,\r | |
1984 | UINT64 Attributes\r | |
1985 | )\r | |
28a00297 | 1986 | {\r |
1987 | UINT64 Capabilities;\r | |
1988 | GCD_ATTRIBUTE_CONVERSION_ENTRY *Conversion;\r | |
022c6d45 | 1989 | \r |
28a00297 | 1990 | //\r |
1991 | // Convert the Resource HOB Attributes to an EFI Memory Capabilities mask\r | |
1992 | //\r | |
1993 | for (Capabilities = 0, Conversion = mAttributeConversionTable; Conversion->Attribute != 0; Conversion++) {\r | |
1994 | if (Conversion->Memory || (GcdMemoryType != EfiGcdMemoryTypeSystemMemory)) {\r | |
1995 | if (Attributes & Conversion->Attribute) {\r | |
1996 | Capabilities |= Conversion->Capability;\r | |
1997 | }\r | |
1998 | }\r | |
1999 | }\r | |
022c6d45 | 2000 | \r |
28a00297 | 2001 | return Capabilities;\r |
2002 | }\r | |
2003 | \r | |
28a00297 | 2004 | \r |
162ed594 | 2005 | /**\r |
c18f12d3 | 2006 | External function. Initializes memory services based on the memory\r |
2007 | descriptor HOBs. This function is responsible for priming the memory\r | |
2008 | map, so memory allocations and resource allocations can be made.\r | |
2009 | The first part of this function can not depend on any memory services\r | |
2010 | until at least one memory descriptor is provided to the memory services.\r | |
28a00297 | 2011 | \r |
022c6d45 | 2012 | @param HobStart The start address of the HOB.\r |
2013 | @param MemoryBaseAddress Start address of memory region found to init DXE\r | |
2014 | core.\r | |
2015 | @param MemoryLength Length of memory region found to init DXE core.\r | |
28a00297 | 2016 | \r |
162ed594 | 2017 | @retval EFI_SUCCESS Memory services successfully initialized.\r |
28a00297 | 2018 | \r |
162ed594 | 2019 | **/\r |
2020 | EFI_STATUS\r | |
2021 | CoreInitializeMemoryServices (\r | |
2022 | IN VOID **HobStart,\r | |
2023 | OUT EFI_PHYSICAL_ADDRESS *MemoryBaseAddress,\r | |
2024 | OUT UINT64 *MemoryLength\r | |
2025 | )\r | |
28a00297 | 2026 | {\r |
2027 | EFI_PEI_HOB_POINTERS Hob;\r | |
2028 | EFI_MEMORY_TYPE_INFORMATION *EfiMemoryTypeInformation;\r | |
2029 | UINTN DataSize;\r | |
2030 | BOOLEAN Found;\r | |
2031 | EFI_HOB_HANDOFF_INFO_TABLE *PhitHob;\r | |
2032 | EFI_HOB_RESOURCE_DESCRIPTOR *ResourceHob;\r | |
2033 | EFI_HOB_RESOURCE_DESCRIPTOR *PhitResourceHob;\r | |
2034 | EFI_PHYSICAL_ADDRESS BaseAddress;\r | |
2035 | UINT64 Length;\r | |
2036 | UINT64 Attributes;\r | |
2037 | UINT64 Capabilities;\r | |
2038 | EFI_PHYSICAL_ADDRESS MaxMemoryBaseAddress;\r | |
2039 | UINT64 MaxMemoryLength;\r | |
2040 | UINT64 MaxMemoryAttributes;\r | |
c4c085a2 | 2041 | EFI_PHYSICAL_ADDRESS TestedMemoryBaseAddress;\r |
2042 | UINT64 TestedMemoryLength;\r | |
28a00297 | 2043 | EFI_PHYSICAL_ADDRESS HighAddress;\r |
28a00297 | 2044 | EFI_HOB_GUID_TYPE *GuidHob;\r |
54ea99a7 | 2045 | UINT32 ReservedCodePageNumber;\r |
28a00297 | 2046 | \r |
2047 | //\r | |
2048 | // Point at the first HOB. This must be the PHIT HOB.\r | |
2049 | //\r | |
2050 | Hob.Raw = *HobStart;\r | |
2051 | ASSERT (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_HANDOFF);\r | |
2052 | \r | |
2053 | //\r | |
2054 | // Initialize the spin locks and maps in the memory services.\r | |
2055 | // Also fill in the memory services into the EFI Boot Services Table\r | |
2056 | //\r | |
2057 | CoreInitializePool ();\r | |
2058 | \r | |
2059 | //\r | |
2060 | // Initialize Local Variables\r | |
2061 | //\r | |
2062 | PhitResourceHob = NULL;\r | |
28a00297 | 2063 | ResourceHob = NULL;\r |
2064 | BaseAddress = 0;\r | |
2065 | Length = 0;\r | |
2066 | Attributes = 0;\r | |
2067 | MaxMemoryBaseAddress = 0;\r | |
2068 | MaxMemoryLength = 0;\r | |
2069 | MaxMemoryAttributes = 0;\r | |
2070 | \r | |
2071 | //\r | |
2072 | // Cache the PHIT HOB for later use\r | |
2073 | //\r | |
2074 | PhitHob = Hob.HandoffInformationTable;\r | |
54ea99a7 | 2075 | \r |
852081fc | 2076 | if (PcdGet64(PcdLoadModuleAtFixAddressEnable) != 0) {\r |
54ea99a7 | 2077 | ReservedCodePageNumber = PcdGet32(PcdLoadFixAddressRuntimeCodePageNumber);\r |
2078 | ReservedCodePageNumber += PcdGet32(PcdLoadFixAddressBootTimeCodePageNumber);\r | |
2079 | \r | |
2080 | //\r | |
2081 | // cache the Top address for loading modules at Fixed Address \r | |
2082 | //\r | |
2083 | gLoadModuleAtFixAddressConfigurationTable.DxeCodeTopAddress = PhitHob->EfiMemoryTop \r | |
2084 | + EFI_PAGES_TO_SIZE(ReservedCodePageNumber);\r | |
2085 | }\r | |
28a00297 | 2086 | //\r |
2087 | // See if a Memory Type Information HOB is available\r | |
2088 | //\r | |
2089 | GuidHob = GetFirstGuidHob (&gEfiMemoryTypeInformationGuid);\r | |
2090 | if (GuidHob != NULL) {\r | |
2091 | EfiMemoryTypeInformation = GET_GUID_HOB_DATA (GuidHob);\r | |
2092 | DataSize = GET_GUID_HOB_DATA_SIZE (GuidHob);\r | |
2093 | if (EfiMemoryTypeInformation != NULL && DataSize > 0 && DataSize <= (EfiMaxMemoryType + 1) * sizeof (EFI_MEMORY_TYPE_INFORMATION)) {\r | |
2094 | CopyMem (&gMemoryTypeInformation, EfiMemoryTypeInformation, DataSize);\r | |
2095 | }\r | |
2096 | }\r | |
2097 | \r | |
2098 | //\r | |
c4c085a2 | 2099 | // Find the Resource Descriptor HOB that contains PHIT range EfiFreeMemoryBottom..EfiFreeMemoryTop\r |
28a00297 | 2100 | //\r |
2101 | Length = 0;\r | |
2102 | Found = FALSE;\r | |
2103 | for (Hob.Raw = *HobStart; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {\r | |
c4c085a2 | 2104 | //\r |
2105 | // Skip all HOBs except Resource Descriptor HOBs\r | |
2106 | //\r | |
2107 | if (GET_HOB_TYPE (Hob) != EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {\r | |
2108 | continue;\r | |
2109 | }\r | |
28a00297 | 2110 | \r |
c4c085a2 | 2111 | //\r |
2112 | // Skip Resource Descriptor HOBs that do not describe tested system memory\r | |
2113 | //\r | |
2114 | ResourceHob = Hob.ResourceDescriptor;\r | |
2115 | if (ResourceHob->ResourceType != EFI_RESOURCE_SYSTEM_MEMORY) {\r | |
2116 | continue;\r | |
2117 | }\r | |
2118 | if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) != TESTED_MEMORY_ATTRIBUTES) {\r | |
2119 | continue;\r | |
2120 | }\r | |
2121 | \r | |
2122 | //\r | |
2123 | // Skip Resource Descriptor HOBs that do not contain the PHIT range EfiFreeMemoryBottom..EfiFreeMemoryTop\r | |
2124 | //\r | |
2125 | if (PhitHob->EfiFreeMemoryBottom < ResourceHob->PhysicalStart) {\r | |
2126 | continue;\r | |
2127 | }\r | |
2128 | if (PhitHob->EfiFreeMemoryTop > (ResourceHob->PhysicalStart + ResourceHob->ResourceLength)) {\r | |
2129 | continue;\r | |
2130 | }\r | |
2131 | \r | |
2132 | //\r | |
2133 | // Cache the resource descriptor HOB for the memory region described by the PHIT HOB\r | |
2134 | //\r | |
2135 | PhitResourceHob = ResourceHob;\r | |
2136 | Found = TRUE;\r | |
2137 | \r | |
2138 | //\r | |
2139 | // Compute range between PHIT EfiFreeMemoryTop and the end of the Resource Descriptor HOB\r | |
2140 | //\r | |
2141 | Attributes = PhitResourceHob->ResourceAttribute;\r | |
2142 | BaseAddress = PageAlignAddress (PhitHob->EfiMemoryTop);\r | |
2143 | Length = PageAlignLength (ResourceHob->PhysicalStart + ResourceHob->ResourceLength - BaseAddress);\r | |
2144 | if (Length < MINIMUM_INITIAL_MEMORY_SIZE) {\r | |
2145 | //\r | |
2146 | // If that range is not large enough to intialize the DXE Core, then \r | |
2147 | // Compute range between PHIT EfiFreeMemoryBottom and PHIT EfiFreeMemoryTop\r | |
2148 | //\r | |
2149 | BaseAddress = PageAlignAddress (PhitHob->EfiFreeMemoryBottom);\r | |
2150 | Length = PageAlignLength (PhitHob->EfiFreeMemoryTop - BaseAddress);\r | |
2151 | if (Length < MINIMUM_INITIAL_MEMORY_SIZE) {\r | |
2152 | //\r | |
2153 | // If that range is not large enough to intialize the DXE Core, then \r | |
2154 | // Compute range between the start of the Resource Descriptor HOB and the start of the HOB List\r | |
2155 | //\r | |
2156 | BaseAddress = PageAlignAddress (ResourceHob->PhysicalStart);\r | |
2157 | Length = PageAlignLength ((UINT64)((UINTN)*HobStart - BaseAddress));\r | |
28a00297 | 2158 | }\r |
2159 | }\r | |
c4c085a2 | 2160 | break;\r |
28a00297 | 2161 | }\r |
2162 | \r | |
2163 | //\r | |
2164 | // Assert if a resource descriptor HOB for the memory region described by the PHIT was not found\r | |
2165 | //\r | |
2166 | ASSERT (Found);\r | |
2167 | \r | |
2168 | //\r | |
2169 | // Search all the resource descriptor HOBs from the highest possible addresses down for a memory\r | |
2170 | // region that is big enough to initialize the DXE core. Always skip the PHIT Resource HOB.\r | |
2171 | // The max address must be within the physically addressible range for the processor.\r | |
2172 | //\r | |
c4c085a2 | 2173 | HighAddress = MAX_ADDRESS;\r |
2174 | for (Hob.Raw = *HobStart; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {\r | |
28a00297 | 2175 | //\r |
c4c085a2 | 2176 | // Skip the Resource Descriptor HOB that contains the PHIT\r |
28a00297 | 2177 | //\r |
c4c085a2 | 2178 | if (Hob.ResourceDescriptor == PhitResourceHob) {\r |
2179 | continue;\r | |
2180 | }\r | |
2181 | //\r | |
2182 | // Skip all HOBs except Resource Descriptor HOBs\r | |
2183 | //\r | |
2184 | if (GET_HOB_TYPE (Hob) != EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {\r | |
2185 | continue;\r | |
2186 | }\r | |
28a00297 | 2187 | \r |
c4c085a2 | 2188 | //\r |
2189 | // Skip Resource Descriptor HOBs that do not describe tested system memory below MAX_ADDRESS\r | |
2190 | //\r | |
2191 | ResourceHob = Hob.ResourceDescriptor;\r | |
2192 | if (ResourceHob->ResourceType != EFI_RESOURCE_SYSTEM_MEMORY) {\r | |
2193 | continue;\r | |
28a00297 | 2194 | }\r |
c4c085a2 | 2195 | if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) != TESTED_MEMORY_ATTRIBUTES) {\r |
2196 | continue;\r | |
2197 | }\r | |
2198 | if ((ResourceHob->PhysicalStart + ResourceHob->ResourceLength) > (EFI_PHYSICAL_ADDRESS)MAX_ADDRESS) {\r | |
2199 | continue;\r | |
28a00297 | 2200 | }\r |
c4c085a2 | 2201 | \r |
2202 | //\r | |
2203 | // Skip Resource Descriptor HOBs that are below a previously found Resource Descriptor HOB\r | |
2204 | //\r | |
2205 | if (HighAddress != (EFI_PHYSICAL_ADDRESS)MAX_ADDRESS && ResourceHob->PhysicalStart <= HighAddress) {\r | |
2206 | continue;\r | |
2207 | }\r | |
2208 | \r | |
2209 | //\r | |
2210 | // Skip Resource Descriptor HOBs that are not large enough to initilize the DXE Core\r | |
2211 | //\r | |
2212 | TestedMemoryBaseAddress = PageAlignAddress (ResourceHob->PhysicalStart);\r | |
2213 | TestedMemoryLength = PageAlignLength (ResourceHob->PhysicalStart + ResourceHob->ResourceLength - TestedMemoryBaseAddress);\r | |
2214 | if (TestedMemoryLength < MINIMUM_INITIAL_MEMORY_SIZE) {\r | |
2215 | continue;\r | |
2216 | }\r | |
2217 | \r | |
2218 | //\r | |
2219 | // Save the Resource Descriptor HOB context that is large enough to initilize the DXE Core\r | |
2220 | //\r | |
2221 | MaxMemoryBaseAddress = TestedMemoryBaseAddress;\r | |
2222 | MaxMemoryLength = TestedMemoryLength;\r | |
2223 | MaxMemoryAttributes = ResourceHob->ResourceAttribute; \r | |
2224 | HighAddress = ResourceHob->PhysicalStart;\r | |
2225 | }\r | |
28a00297 | 2226 | \r |
c4c085a2 | 2227 | //\r |
2228 | // If Length is not large enough to initialize the DXE Core or a Resource \r | |
2229 | // Descriptor HOB was found above the PHIT HOB that is large enough to initialize \r | |
2230 | // the DXE Core, then use the range described by the Resource Descriptor \r | |
2231 | // HOB that was found above the PHIT HOB.\r | |
2232 | //\r | |
e94a9ff7 | 2233 | if ((Length < MINIMUM_INITIAL_MEMORY_SIZE) ||\r |
2234 | (MaxMemoryBaseAddress > BaseAddress && MaxMemoryLength >= MINIMUM_INITIAL_MEMORY_SIZE)) {\r | |
28a00297 | 2235 | BaseAddress = MaxMemoryBaseAddress;\r |
2236 | Length = MaxMemoryLength;\r | |
2237 | Attributes = MaxMemoryAttributes;\r | |
2238 | }\r | |
2239 | \r | |
2240 | //\r | |
2241 | // If no memory regions are found that are big enough to initialize the DXE core, then ASSERT().\r | |
2242 | //\r | |
2243 | ASSERT (Length >= MINIMUM_INITIAL_MEMORY_SIZE);\r | |
2244 | \r | |
2245 | //\r | |
2246 | // Convert the Resource HOB Attributes to an EFI Memory Capabilities mask\r | |
2247 | //\r | |
2248 | Capabilities = CoreConvertResourceDescriptorHobAttributesToCapabilities (EfiGcdMemoryTypeSystemMemory, Attributes);\r | |
2249 | \r | |
2250 | //\r | |
2251 | // Declare the very first memory region, so the EFI Memory Services are available.\r | |
2252 | //\r | |
2253 | CoreAddMemoryDescriptor (\r | |
2254 | EfiConventionalMemory,\r | |
2255 | BaseAddress,\r | |
2256 | RShiftU64 (Length, EFI_PAGE_SHIFT),\r | |
2257 | Capabilities\r | |
2258 | );\r | |
2259 | \r | |
2260 | *MemoryBaseAddress = BaseAddress;\r | |
2261 | *MemoryLength = Length;\r | |
2262 | \r | |
2263 | return EFI_SUCCESS;\r | |
2264 | }\r | |
2265 | \r | |
28a00297 | 2266 | \r |
162ed594 | 2267 | /**\r |
2268 | External function. Initializes the GCD and memory services based on the memory\r | |
28a00297 | 2269 | descriptor HOBs. This function is responsible for priming the GCD map and the\r |
c18f12d3 | 2270 | memory map, so memory allocations and resource allocations can be made. The\r |
2271 | HobStart will be relocated to a pool buffer.\r | |
28a00297 | 2272 | \r |
022c6d45 | 2273 | @param HobStart The start address of the HOB\r |
2274 | @param MemoryBaseAddress Start address of memory region found to init DXE\r | |
2275 | core.\r | |
2276 | @param MemoryLength Length of memory region found to init DXE core.\r | |
28a00297 | 2277 | \r |
162ed594 | 2278 | @retval EFI_SUCCESS GCD services successfully initialized.\r |
28a00297 | 2279 | \r |
162ed594 | 2280 | **/\r |
2281 | EFI_STATUS\r | |
2282 | CoreInitializeGcdServices (\r | |
e94a9ff7 | 2283 | IN OUT VOID **HobStart,\r |
162ed594 | 2284 | IN EFI_PHYSICAL_ADDRESS MemoryBaseAddress,\r |
2285 | IN UINT64 MemoryLength\r | |
2286 | )\r | |
28a00297 | 2287 | {\r |
e94a9ff7 | 2288 | EFI_PEI_HOB_POINTERS Hob;\r |
28a00297 | 2289 | VOID *NewHobList;\r |
e94a9ff7 | 2290 | EFI_HOB_HANDOFF_INFO_TABLE *PhitHob;\r |
28a00297 | 2291 | UINT8 SizeOfMemorySpace;\r |
2292 | UINT8 SizeOfIoSpace;\r | |
2293 | EFI_HOB_RESOURCE_DESCRIPTOR *ResourceHob;\r | |
2294 | EFI_PHYSICAL_ADDRESS BaseAddress;\r | |
2295 | UINT64 Length;\r | |
2296 | EFI_STATUS Status;\r | |
2297 | EFI_GCD_MAP_ENTRY *Entry;\r | |
2298 | EFI_GCD_MEMORY_TYPE GcdMemoryType;\r | |
2299 | EFI_GCD_IO_TYPE GcdIoType;\r | |
2300 | EFI_GCD_MEMORY_SPACE_DESCRIPTOR Descriptor;\r | |
2301 | EFI_HOB_MEMORY_ALLOCATION *MemoryHob;\r | |
2302 | EFI_HOB_FIRMWARE_VOLUME *FirmwareVolumeHob;\r | |
2303 | UINTN NumberOfDescriptors;\r | |
2304 | EFI_GCD_MEMORY_SPACE_DESCRIPTOR *MemorySpaceMap;\r | |
2305 | UINTN Index;\r | |
2306 | UINT64 Capabilities;\r | |
2307 | EFI_HOB_CPU * CpuHob;\r | |
e94a9ff7 | 2308 | \r |
28a00297 | 2309 | //\r |
2310 | // Cache the PHIT HOB for later use\r | |
2311 | //\r | |
2312 | PhitHob = (EFI_HOB_HANDOFF_INFO_TABLE *)(*HobStart);\r | |
2313 | \r | |
2314 | //\r | |
2315 | // Get the number of address lines in the I/O and Memory space for the CPU\r | |
2316 | //\r | |
2317 | CpuHob = GetFirstHob (EFI_HOB_TYPE_CPU);\r | |
2318 | ASSERT (CpuHob != NULL);\r | |
2319 | SizeOfMemorySpace = CpuHob->SizeOfMemorySpace;\r | |
2320 | SizeOfIoSpace = CpuHob->SizeOfIoSpace;\r | |
022c6d45 | 2321 | \r |
28a00297 | 2322 | //\r |
2323 | // Initialize the GCD Memory Space Map\r | |
2324 | //\r | |
9c4ac31c | 2325 | Entry = AllocateCopyPool (sizeof (EFI_GCD_MAP_ENTRY), &mGcdMemorySpaceMapEntryTemplate);\r |
28a00297 | 2326 | ASSERT (Entry != NULL);\r |
2327 | \r | |
2328 | Entry->EndAddress = LShiftU64 (1, SizeOfMemorySpace) - 1;\r | |
2329 | \r | |
2330 | InsertHeadList (&mGcdMemorySpaceMap, &Entry->Link);\r | |
2331 | \r | |
aa927cae | 2332 | CoreDumpGcdMemorySpaceMap (TRUE);\r |
f9d1f97c | 2333 | \r |
28a00297 | 2334 | //\r |
2335 | // Initialize the GCD I/O Space Map\r | |
2336 | //\r | |
9c4ac31c | 2337 | Entry = AllocateCopyPool (sizeof (EFI_GCD_MAP_ENTRY), &mGcdIoSpaceMapEntryTemplate);\r |
28a00297 | 2338 | ASSERT (Entry != NULL);\r |
2339 | \r | |
2340 | Entry->EndAddress = LShiftU64 (1, SizeOfIoSpace) - 1;\r | |
2341 | \r | |
2342 | InsertHeadList (&mGcdIoSpaceMap, &Entry->Link);\r | |
2343 | \r | |
aa927cae | 2344 | CoreDumpGcdIoSpaceMap (TRUE);\r |
f9d1f97c | 2345 | \r |
28a00297 | 2346 | //\r |
022c6d45 | 2347 | // Walk the HOB list and add all resource descriptors to the GCD\r |
28a00297 | 2348 | //\r |
2349 | for (Hob.Raw = *HobStart; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {\r | |
2350 | \r | |
2351 | GcdMemoryType = EfiGcdMemoryTypeNonExistent;\r | |
2352 | GcdIoType = EfiGcdIoTypeNonExistent;\r | |
2353 | \r | |
2354 | if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {\r | |
2355 | \r | |
2356 | ResourceHob = Hob.ResourceDescriptor;\r | |
2357 | \r | |
2358 | switch (ResourceHob->ResourceType) {\r | |
2359 | case EFI_RESOURCE_SYSTEM_MEMORY:\r | |
2360 | if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) == TESTED_MEMORY_ATTRIBUTES) {\r | |
2361 | GcdMemoryType = EfiGcdMemoryTypeSystemMemory;\r | |
2362 | }\r | |
2363 | if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) == INITIALIZED_MEMORY_ATTRIBUTES) {\r | |
2364 | GcdMemoryType = EfiGcdMemoryTypeReserved;\r | |
2365 | }\r | |
2366 | if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) == PRESENT_MEMORY_ATTRIBUTES) {\r | |
2367 | GcdMemoryType = EfiGcdMemoryTypeReserved;\r | |
2368 | }\r | |
a671a012 LG |
2369 | if ((ResourceHob->ResourceAttribute & EFI_RESOURCE_ATTRIBUTE_PERSISTENT) == EFI_RESOURCE_ATTRIBUTE_PERSISTENT) {\r |
2370 | GcdMemoryType = EfiGcdMemoryTypePersistentMemory;\r | |
2371 | }\r | |
28a00297 | 2372 | break;\r |
2373 | case EFI_RESOURCE_MEMORY_MAPPED_IO:\r | |
2374 | case EFI_RESOURCE_FIRMWARE_DEVICE:\r | |
2375 | GcdMemoryType = EfiGcdMemoryTypeMemoryMappedIo;\r | |
2376 | break;\r | |
2377 | case EFI_RESOURCE_MEMORY_MAPPED_IO_PORT:\r | |
2378 | case EFI_RESOURCE_MEMORY_RESERVED:\r | |
2379 | GcdMemoryType = EfiGcdMemoryTypeReserved;\r | |
2380 | break;\r | |
2381 | case EFI_RESOURCE_IO:\r | |
2382 | GcdIoType = EfiGcdIoTypeIo;\r | |
2383 | break;\r | |
2384 | case EFI_RESOURCE_IO_RESERVED:\r | |
2385 | GcdIoType = EfiGcdIoTypeReserved;\r | |
2386 | break;\r | |
2387 | }\r | |
2388 | \r | |
2389 | if (GcdMemoryType != EfiGcdMemoryTypeNonExistent) {\r | |
d12a2ecb | 2390 | //\r |
2391 | // Validate the Resource HOB Attributes\r | |
2392 | //\r | |
2393 | CoreValidateResourceDescriptorHobAttributes (ResourceHob->ResourceAttribute);\r | |
2394 | \r | |
28a00297 | 2395 | //\r |
2396 | // Convert the Resource HOB Attributes to an EFI Memory Capabilities mask\r | |
2397 | //\r | |
2398 | Capabilities = CoreConvertResourceDescriptorHobAttributesToCapabilities (\r | |
2399 | GcdMemoryType,\r | |
2400 | ResourceHob->ResourceAttribute\r | |
2401 | );\r | |
2402 | \r | |
2403 | Status = CoreInternalAddMemorySpace (\r | |
2404 | GcdMemoryType,\r | |
2405 | ResourceHob->PhysicalStart,\r | |
2406 | ResourceHob->ResourceLength,\r | |
2407 | Capabilities\r | |
2408 | );\r | |
2409 | }\r | |
2410 | \r | |
2411 | if (GcdIoType != EfiGcdIoTypeNonExistent) {\r | |
2412 | Status = CoreAddIoSpace (\r | |
2413 | GcdIoType,\r | |
2414 | ResourceHob->PhysicalStart,\r | |
2415 | ResourceHob->ResourceLength\r | |
2416 | );\r | |
2417 | }\r | |
2418 | }\r | |
2419 | }\r | |
2420 | \r | |
2421 | //\r | |
2422 | // Allocate first memory region from the GCD by the DXE core\r | |
2423 | //\r | |
2424 | Status = CoreAllocateMemorySpace (\r | |
2425 | EfiGcdAllocateAddress,\r | |
2426 | EfiGcdMemoryTypeSystemMemory,\r | |
2427 | 0,\r | |
2428 | MemoryLength,\r | |
2429 | &MemoryBaseAddress,\r | |
2430 | gDxeCoreImageHandle,\r | |
2431 | NULL\r | |
2432 | );\r | |
2433 | \r | |
2434 | //\r | |
2435 | // Walk the HOB list and allocate all memory space that is consumed by memory allocation HOBs,\r | |
2436 | // and Firmware Volume HOBs. Also update the EFI Memory Map with the memory allocation HOBs.\r | |
2437 | //\r | |
2438 | for (Hob.Raw = *HobStart; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {\r | |
2439 | if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_MEMORY_ALLOCATION) {\r | |
2440 | MemoryHob = Hob.MemoryAllocation;\r | |
2441 | BaseAddress = MemoryHob->AllocDescriptor.MemoryBaseAddress;\r | |
f942f107 | 2442 | Status = CoreGetMemorySpaceDescriptor (BaseAddress, &Descriptor);\r |
28a00297 | 2443 | if (!EFI_ERROR (Status)) {\r |
f942f107 | 2444 | Status = CoreAllocateMemorySpace (\r |
2445 | EfiGcdAllocateAddress,\r | |
022c6d45 | 2446 | Descriptor.GcdMemoryType,\r |
f942f107 | 2447 | 0,\r |
2448 | MemoryHob->AllocDescriptor.MemoryLength,\r | |
2449 | &BaseAddress,\r | |
2450 | gDxeCoreImageHandle,\r | |
2451 | NULL\r | |
2452 | );\r | |
2453 | if (!EFI_ERROR (Status) && Descriptor.GcdMemoryType == EfiGcdMemoryTypeSystemMemory) {\r | |
28a00297 | 2454 | CoreAddMemoryDescriptor (\r |
2455 | MemoryHob->AllocDescriptor.MemoryType,\r | |
2456 | MemoryHob->AllocDescriptor.MemoryBaseAddress,\r | |
2457 | RShiftU64 (MemoryHob->AllocDescriptor.MemoryLength, EFI_PAGE_SHIFT),\r | |
2458 | Descriptor.Capabilities & (~EFI_MEMORY_RUNTIME)\r | |
2459 | );\r | |
2460 | }\r | |
2461 | }\r | |
2462 | }\r | |
2463 | \r | |
2464 | if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_FV) {\r | |
2465 | FirmwareVolumeHob = Hob.FirmwareVolume;\r | |
2466 | BaseAddress = FirmwareVolumeHob->BaseAddress;\r | |
2467 | Status = CoreAllocateMemorySpace (\r | |
2468 | EfiGcdAllocateAddress,\r | |
022c6d45 | 2469 | EfiGcdMemoryTypeMemoryMappedIo,\r |
28a00297 | 2470 | 0,\r |
2471 | FirmwareVolumeHob->Length,\r | |
2472 | &BaseAddress,\r | |
2473 | gDxeCoreImageHandle,\r | |
2474 | NULL\r | |
2475 | );\r | |
2476 | }\r | |
2477 | }\r | |
2478 | \r | |
2479 | //\r | |
2480 | // Relocate HOB List to an allocated pool buffer.\r | |
2481 | //\r | |
9c4ac31c | 2482 | NewHobList = AllocateCopyPool (\r |
022c6d45 | 2483 | (UINTN)PhitHob->EfiFreeMemoryBottom - (UINTN)(*HobStart),\r |
28a00297 | 2484 | *HobStart\r |
2485 | );\r | |
2486 | ASSERT (NewHobList != NULL);\r | |
2487 | \r | |
2488 | *HobStart = NewHobList;\r | |
05339bd7 | 2489 | gHobList = NewHobList;\r |
28a00297 | 2490 | \r |
2491 | //\r | |
2492 | // Add and allocate the remaining unallocated system memory to the memory services.\r | |
2493 | //\r | |
2494 | Status = CoreGetMemorySpaceMap (&NumberOfDescriptors, &MemorySpaceMap);\r | |
311a71b2 | 2495 | ASSERT (Status == EFI_SUCCESS);\r |
2496 | \r | |
28a00297 | 2497 | for (Index = 0; Index < NumberOfDescriptors; Index++) {\r |
2498 | if (MemorySpaceMap[Index].GcdMemoryType == EfiGcdMemoryTypeSystemMemory) {\r | |
2499 | if (MemorySpaceMap[Index].ImageHandle == NULL) {\r | |
2500 | BaseAddress = PageAlignAddress (MemorySpaceMap[Index].BaseAddress);\r | |
2501 | Length = PageAlignLength (MemorySpaceMap[Index].BaseAddress + MemorySpaceMap[Index].Length - BaseAddress);\r | |
383c303c | 2502 | if (Length == 0 || MemorySpaceMap[Index].BaseAddress + MemorySpaceMap[Index].Length < BaseAddress) {\r |
2503 | continue;\r | |
2504 | }\r | |
28a00297 | 2505 | CoreAddMemoryDescriptor (\r |
2506 | EfiConventionalMemory,\r | |
2507 | BaseAddress,\r | |
2508 | RShiftU64 (Length, EFI_PAGE_SHIFT),\r | |
2509 | MemorySpaceMap[Index].Capabilities & (~EFI_MEMORY_RUNTIME)\r | |
2510 | );\r | |
2511 | Status = CoreAllocateMemorySpace (\r | |
2512 | EfiGcdAllocateAddress,\r | |
2513 | EfiGcdMemoryTypeSystemMemory,\r | |
2514 | 0,\r | |
2515 | Length,\r | |
2516 | &BaseAddress,\r | |
2517 | gDxeCoreImageHandle,\r | |
2518 | NULL\r | |
2519 | );\r | |
2520 | }\r | |
2521 | }\r | |
2522 | }\r | |
2523 | CoreFreePool (MemorySpaceMap);\r | |
2524 | \r | |
2525 | return EFI_SUCCESS;\r | |
2526 | }\r |