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3eb9473e | 1 | \r |
2 | /*++\r | |
3 | \r | |
4ea9375a HT |
4 | Copyright (c) 2004 - 2007, Intel Corporation. All rights reserved.<BR>\r |
5 | This program and the accompanying materials \r | |
3eb9473e | 6 | are licensed and made available under the terms and conditions of the BSD License \r |
7 | which accompanies this distribution. The full text of the license may be found at \r | |
8 | http://opensource.org/licenses/bsd-license.php \r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
12 | \r | |
13 | MemoryAllocationModule Name:\r | |
14 | \r | |
15 | Peihoblib.c\r | |
16 | \r | |
17 | Abstract:\r | |
18 | \r | |
19 | PEI Library Functions\r | |
20 | \r | |
21 | --*/\r | |
22 | \r | |
23 | #include "Tiano.h"\r | |
24 | #include "PeiHob.h"\r | |
0dbeedde | 25 | #include "PeiHobLib.h"\r |
26 | #include "PeiLib.h"\r | |
3eb9473e | 27 | #include EFI_GUID_DEFINITION(MemoryAllocationHob)\r |
28 | \r | |
29 | \r | |
30 | EFI_PEI_HOB_POINTERS\r | |
31 | BuildHobEndOfHobList (\r | |
32 | IN VOID *HobStart\r | |
33 | )\r | |
34 | /*++\r | |
35 | \r | |
36 | Routine Description:\r | |
37 | \r | |
38 | Builds an end of HOB list HOB\r | |
39 | \r | |
40 | Arguments:\r | |
41 | \r | |
42 | HobStart - The HOB to build\r | |
43 | \r | |
44 | Returns:\r | |
45 | \r | |
46 | A pointer to the next HOB\r | |
47 | \r | |
48 | --*/\r | |
49 | {\r | |
50 | EFI_PEI_HOB_POINTERS Hob;\r | |
51 | \r | |
52 | Hob.Raw = HobStart;\r | |
53 | \r | |
54 | Hob.Header->HobType = EFI_HOB_TYPE_END_OF_HOB_LIST;\r | |
e0096099 | 55 | Hob.Header->HobLength = (UINT16) sizeof (EFI_HOB_GENERIC_HEADER);\r |
3eb9473e | 56 | \r |
57 | Hob.Header++;\r | |
58 | return Hob;\r | |
59 | }\r | |
60 | \r | |
61 | EFI_STATUS\r | |
62 | BuildHobHandoffInfoTable (\r | |
63 | IN VOID *HobStart,\r | |
64 | IN UINT16 Version,\r | |
65 | IN EFI_BOOT_MODE BootMode,\r | |
66 | IN EFI_PHYSICAL_ADDRESS EfiMemoryTop,\r | |
67 | IN EFI_PHYSICAL_ADDRESS EfiMemoryBottom,\r | |
68 | IN EFI_PHYSICAL_ADDRESS EfiFreeMemoryTop,\r | |
69 | IN EFI_PHYSICAL_ADDRESS EfiFreeMemoryBottom\r | |
70 | )\r | |
71 | /*++\r | |
72 | \r | |
73 | Routine Description:\r | |
74 | \r | |
75 | Builds a HandoffInformationTable Information Table HOB\r | |
76 | \r | |
77 | Arguments:\r | |
78 | \r | |
79 | HobStart - Start pointer of hob list\r | |
80 | Version - The version number pertaining to the PHIT HOB definition.\r | |
81 | BootMode - The system boot mode as determined during the HOB producer phase.\r | |
82 | EfiMemoryTop - The highest address location of memory that is allocated for use by the HOB\r | |
83 | producer phase.\r | |
84 | EfiMemoryBottom - The lowest address location of memory that is allocated for use by the HOB\r | |
85 | producer phase.\r | |
86 | EfiFreeMemoryTop - The highest address location of free memory that is currently available for use\r | |
87 | by the HOB producer phase.\r | |
88 | EfiFreeMemoryBottom - The lowest address location of free memory that is available for \r | |
89 | use by the HOB producer phase.\r | |
90 | \r | |
91 | Returns:\r | |
92 | \r | |
93 | EFI_SUCCESS\r | |
94 | \r | |
95 | --*/\r | |
96 | {\r | |
97 | EFI_PEI_HOB_POINTERS HandOffHob;\r | |
98 | EFI_PEI_HOB_POINTERS Hob;\r | |
99 | EFI_PEI_HOB_POINTERS HobEnd;\r | |
100 | \r | |
101 | \r | |
102 | HandOffHob.Raw = HobStart;\r | |
103 | Hob.Raw = HobStart;\r | |
104 | Hob.Header->HobType = EFI_HOB_TYPE_HANDOFF;\r | |
e0096099 | 105 | Hob.Header->HobLength = (UINT16) sizeof (EFI_HOB_HANDOFF_INFO_TABLE);\r |
3eb9473e | 106 | \r |
107 | Hob.HandoffInformationTable->Version = Version;\r | |
108 | Hob.HandoffInformationTable->BootMode = BootMode;\r | |
109 | \r | |
110 | Hob.HandoffInformationTable->EfiMemoryTop = EfiMemoryTop;\r | |
111 | Hob.HandoffInformationTable->EfiMemoryBottom = EfiMemoryBottom;\r | |
112 | Hob.HandoffInformationTable->EfiFreeMemoryTop = EfiFreeMemoryTop;\r | |
113 | Hob.HandoffInformationTable->EfiFreeMemoryBottom = EfiFreeMemoryBottom;\r | |
114 | \r | |
115 | HobEnd.Raw = (VOID*)(Hob.HandoffInformationTable + 1);\r | |
116 | Hob.HandoffInformationTable->EfiEndOfHobList = (EFI_PHYSICAL_ADDRESS) (UINTN) HobEnd.Raw;\r | |
117 | Hob = BuildHobEndOfHobList (HobEnd.Raw);\r | |
118 | HandOffHob.HandoffInformationTable->EfiFreeMemoryBottom = (EFI_PHYSICAL_ADDRESS) (UINTN) Hob.Raw;\r | |
119 | return EFI_SUCCESS;\r | |
120 | }\r | |
121 | \r | |
122 | \r | |
123 | \r | |
124 | EFI_STATUS\r | |
125 | BuildHobModule (\r | |
126 | IN VOID *HobStart,\r | |
127 | IN EFI_GUID *ModuleName,\r | |
128 | IN EFI_PHYSICAL_ADDRESS MemoryAllocationModule,\r | |
129 | IN UINT64 ModuleLength,\r | |
130 | IN EFI_PHYSICAL_ADDRESS EntryPoint\r | |
131 | )\r | |
132 | /*++\r | |
133 | \r | |
134 | Routine Description:\r | |
135 | \r | |
136 | Builds a HOB for a loaded PE32 module\r | |
137 | \r | |
138 | Arguments:\r | |
139 | \r | |
140 | HobStart - Start pointer of hob list\r | |
141 | \r | |
142 | ModuleName - The GUID File Name of the HON from the Firmware Volume\r | |
143 | \r | |
144 | MemoryAllocationModule - The 64 bit physical address of the module\r | |
145 | \r | |
146 | ModuleLength - The length of the module in bytes\r | |
147 | \r | |
148 | EntryPoint - The 64 bit physical address of the entry point to the module\r | |
149 | \r | |
150 | Returns:\r | |
151 | \r | |
152 | EFI_SUCCESS\r | |
153 | EFI_NOT_AVAILABLE_YET\r | |
154 | \r | |
155 | --*/\r | |
156 | {\r | |
157 | EFI_PEI_HOB_POINTERS Hob;\r | |
158 | EFI_PEI_HOB_POINTERS HandOffHob;\r | |
159 | \r | |
160 | HandOffHob.Raw = HobStart;\r | |
161 | Hob.Raw = (VOID*)(UINTN)(HandOffHob.HandoffInformationTable->EfiEndOfHobList);\r | |
162 | \r | |
163 | Hob.Header->HobType = EFI_HOB_TYPE_MEMORY_ALLOCATION;\r | |
e0096099 | 164 | Hob.Header->HobLength = (UINT16) sizeof (EFI_HOB_MEMORY_ALLOCATION_MODULE);\r |
3eb9473e | 165 | \r |
166 | CopyMem(&(Hob.MemoryAllocationModule->ModuleName), ModuleName, sizeof(EFI_GUID));\r | |
167 | CopyMem(&(Hob.MemoryAllocationModule->MemoryAllocationHeader.Name), &gEfiHobMemeryAllocModuleGuid, sizeof(EFI_GUID));\r | |
168 | Hob.MemoryAllocationModule->MemoryAllocationHeader.MemoryBaseAddress = MemoryAllocationModule;\r | |
169 | Hob.MemoryAllocationModule->MemoryAllocationHeader.MemoryLength = ModuleLength;\r | |
170 | Hob.MemoryAllocationModule->MemoryAllocationHeader.MemoryType = EfiConventionalMemory;\r | |
171 | \r | |
172 | Hob.MemoryAllocationModule->EntryPoint = EntryPoint;\r | |
173 | \r | |
174 | Hob.MemoryAllocationModule++;\r | |
175 | HandOffHob.HandoffInformationTable->EfiEndOfHobList = (EFI_PHYSICAL_ADDRESS) (UINTN) Hob.Raw;\r | |
176 | Hob = BuildHobEndOfHobList(Hob.Raw);\r | |
177 | HandOffHob.HandoffInformationTable->EfiFreeMemoryBottom = (EFI_PHYSICAL_ADDRESS) (UINTN) Hob.Raw;\r | |
178 | return EFI_SUCCESS;\r | |
179 | }\r | |
180 | \r | |
181 | EFI_STATUS\r | |
182 | BuildHobResourceDescriptor (\r | |
183 | IN VOID * HobStart,\r | |
184 | IN EFI_RESOURCE_TYPE ResourceType,\r | |
185 | IN EFI_RESOURCE_ATTRIBUTE_TYPE ResourceAttribute,\r | |
186 | IN EFI_PHYSICAL_ADDRESS PhysicalStart,\r | |
187 | IN UINT64 NumberOfBytes\r | |
188 | )\r | |
189 | /*++\r | |
190 | \r | |
191 | Routine Description:\r | |
192 | \r | |
193 | Builds a HOB that describes a chunck of system memory\r | |
194 | \r | |
195 | Arguments:\r | |
196 | \r | |
197 | HobStart - Start pointer of hob list\r | |
198 | \r | |
199 | ResourceType - The type of memory described by this HOB\r | |
200 | \r | |
201 | ResourceAttribute - The memory attributes of the memory described by this HOB\r | |
202 | \r | |
203 | PhysicalStart - The 64 bit physical address of memory described by this HOB\r | |
204 | \r | |
205 | NumberOfBytes - The length of the memoty described by this HOB in bytes\r | |
206 | \r | |
207 | Returns:\r | |
208 | \r | |
209 | EFI_SUCCESS\r | |
210 | EFI_NOT_AVAILABLE_YET\r | |
211 | \r | |
212 | --*/\r | |
213 | {\r | |
214 | EFI_PEI_HOB_POINTERS Hob;\r | |
215 | EFI_PEI_HOB_POINTERS HandOffHob;\r | |
216 | \r | |
217 | HandOffHob.Raw = HobStart;\r | |
218 | Hob.Raw = (VOID *)(UINTN)(HandOffHob.HandoffInformationTable->EfiEndOfHobList);\r | |
219 | \r | |
220 | Hob.Header->HobType = EFI_HOB_TYPE_RESOURCE_DESCRIPTOR;\r | |
e0096099 | 221 | Hob.Header->HobLength = (UINT16) sizeof (EFI_HOB_RESOURCE_DESCRIPTOR);\r |
3eb9473e | 222 | \r |
223 | Hob.ResourceDescriptor->ResourceType = ResourceType;\r | |
224 | Hob.ResourceDescriptor->ResourceAttribute = ResourceAttribute;\r | |
225 | Hob.ResourceDescriptor->PhysicalStart = PhysicalStart;\r | |
226 | Hob.ResourceDescriptor->ResourceLength = NumberOfBytes; \r | |
227 | \r | |
228 | Hob.ResourceDescriptor++;\r | |
229 | HandOffHob.HandoffInformationTable->EfiEndOfHobList = (EFI_PHYSICAL_ADDRESS) (UINTN) Hob.Raw;\r | |
230 | Hob = BuildHobEndOfHobList(Hob.Raw);\r | |
231 | HandOffHob.HandoffInformationTable->EfiFreeMemoryBottom = (EFI_PHYSICAL_ADDRESS) (UINTN) Hob.Raw;\r | |
232 | return EFI_SUCCESS;\r | |
233 | }\r | |
234 | \r | |
235 | EFI_STATUS\r | |
236 | BuildHobGuidType (\r | |
237 | IN VOID *HobStart,\r | |
238 | IN EFI_GUID *Guid,\r | |
239 | IN VOID *Buffer,\r | |
240 | IN UINTN BufferSize\r | |
241 | )\r | |
242 | /*++\r | |
243 | \r | |
244 | Routine Description:\r | |
245 | \r | |
246 | Builds a custom HOB that is tagged with a GUID for identification\r | |
247 | \r | |
248 | Arguments:\r | |
249 | \r | |
250 | HobStart - Start pointer of hob list\r | |
251 | \r | |
252 | Guid - The GUID of the custome HOB type\r | |
253 | \r | |
254 | Buffer - A pointer to the data for the custom HOB type\r | |
255 | \r | |
256 | BufferSize - The size in byte of BufferSize\r | |
257 | \r | |
258 | Returns:\r | |
259 | \r | |
260 | EFI_SUCCESS\r | |
261 | EFI_NOT_AVAILABLE_YET\r | |
262 | \r | |
263 | --*/\r | |
264 | {\r | |
265 | EFI_PEI_HOB_POINTERS Hob;\r | |
266 | EFI_PEI_HOB_POINTERS HandOffHob;\r | |
267 | UINTN Length;\r | |
268 | \r | |
269 | \r | |
270 | HandOffHob.Raw = HobStart;\r | |
271 | Hob.Raw = (VOID *)(UINTN)HandOffHob.HandoffInformationTable->EfiEndOfHobList; \r | |
272 | \r | |
273 | \r | |
274 | Hob.Header->HobType = EFI_HOB_TYPE_GUID_EXTENSION;\r | |
275 | Length = sizeof(EFI_HOB_GUID_TYPE) + BufferSize;\r | |
ada3f18c | 276 | Length = (Length + 0x7) & (~0x7);\r |
3eb9473e | 277 | Hob.Header->HobLength = (UINT16)Length;\r |
278 | CopyMem(&Hob.Guid->Name, Guid, sizeof(EFI_GUID));\r | |
279 | CopyMem(Hob.Raw + sizeof(EFI_HOB_GUID_TYPE), Buffer, BufferSize);\r | |
280 | Hob.Raw += Length;\r | |
281 | \r | |
282 | HandOffHob.HandoffInformationTable->EfiEndOfHobList = (EFI_PHYSICAL_ADDRESS) (UINTN) Hob.Raw;\r | |
283 | Hob = BuildHobEndOfHobList(Hob.Raw);\r | |
284 | HandOffHob.HandoffInformationTable->EfiFreeMemoryBottom = (EFI_PHYSICAL_ADDRESS) (UINTN) Hob.Raw;\r | |
285 | return EFI_SUCCESS;\r | |
286 | }\r | |
287 | \r | |
288 | EFI_STATUS\r | |
289 | BuildHobFvDescriptor (\r | |
290 | IN VOID *HobStart,\r | |
291 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
292 | IN UINT64 Length\r | |
293 | )\r | |
294 | /*++\r | |
295 | \r | |
296 | Routine Description:\r | |
297 | \r | |
298 | Builds a Firmware Volume HOB\r | |
299 | \r | |
300 | Arguments:\r | |
301 | \r | |
302 | HobStart - Start pointer of hob list\r | |
303 | \r | |
304 | BaseAddress - The base address of the Firmware Volume\r | |
305 | \r | |
306 | Length - The size of the Firmware Volume in bytes\r | |
307 | \r | |
308 | Returns:\r | |
309 | \r | |
310 | EFI_SUCCESS\r | |
311 | EFI_NOT_AVAILABLE_YET\r | |
312 | \r | |
313 | --*/\r | |
314 | {\r | |
315 | EFI_PEI_HOB_POINTERS Hob;\r | |
316 | EFI_PEI_HOB_POINTERS HandOffHob;\r | |
317 | \r | |
318 | HandOffHob.Raw = HobStart;\r | |
319 | Hob.Raw = (VOID*)(UINTN)(HandOffHob.HandoffInformationTable->EfiEndOfHobList); \r | |
320 | \r | |
321 | Hob.Header->HobType = EFI_HOB_TYPE_FV;\r | |
e0096099 | 322 | Hob.Header->HobLength = (UINT16) sizeof (EFI_HOB_FIRMWARE_VOLUME);\r |
3eb9473e | 323 | \r |
324 | Hob.FirmwareVolume->BaseAddress = BaseAddress;\r | |
325 | Hob.FirmwareVolume->Length = Length;\r | |
326 | \r | |
327 | Hob.FirmwareVolume++;\r | |
328 | \r | |
329 | HandOffHob.HandoffInformationTable->EfiEndOfHobList = (EFI_PHYSICAL_ADDRESS) (UINTN) Hob.Raw;\r | |
330 | Hob = BuildHobEndOfHobList(Hob.Raw);\r | |
331 | HandOffHob.HandoffInformationTable->EfiFreeMemoryBottom = (EFI_PHYSICAL_ADDRESS) (UINTN) Hob.Raw;\r | |
332 | return EFI_SUCCESS;\r | |
333 | }\r | |
334 | \r | |
335 | EFI_STATUS\r | |
336 | BuildHobCpu (\r | |
337 | IN VOID *HobStart,\r | |
338 | IN UINT8 SizeOfMemorySpace,\r | |
339 | IN UINT8 SizeOfIoSpace\r | |
340 | )\r | |
341 | /*++\r | |
342 | \r | |
343 | Routine Description:\r | |
344 | \r | |
345 | Builds a HOB for the CPU\r | |
346 | \r | |
347 | Arguments:\r | |
348 | \r | |
349 | HobStart - Start pointer of hob list\r | |
350 | \r | |
351 | SizeOfMemorySpace - Identifies the maximum \r | |
352 | physical memory addressibility of the processor.\r | |
353 | \r | |
354 | SizeOfIoSpace - Identifies the maximum physical I/O addressibility \r | |
355 | of the processor.\r | |
356 | \r | |
357 | Returns:\r | |
358 | \r | |
359 | EFI_SUCCESS\r | |
360 | EFI_NOT_AVAILABLE_YET\r | |
361 | \r | |
362 | --*/\r | |
363 | {\r | |
364 | EFI_PEI_HOB_POINTERS Hob;\r | |
365 | EFI_PEI_HOB_POINTERS HandOffHob;\r | |
366 | \r | |
367 | HandOffHob.Raw = HobStart;\r | |
368 | Hob.Raw = (VOID*)(UINTN)HandOffHob.HandoffInformationTable->EfiEndOfHobList;\r | |
369 | \r | |
370 | Hob.Header->HobType = EFI_HOB_TYPE_CPU;\r | |
e0096099 | 371 | Hob.Header->HobLength = (UINT16) sizeof (EFI_HOB_CPU);\r |
3eb9473e | 372 | \r |
373 | Hob.Cpu->SizeOfMemorySpace = SizeOfMemorySpace;\r | |
374 | Hob.Cpu->SizeOfIoSpace = SizeOfIoSpace;\r | |
375 | \r | |
376 | Hob.Cpu++;\r | |
377 | HandOffHob.HandoffInformationTable->EfiEndOfHobList = (EFI_PHYSICAL_ADDRESS) (UINTN) Hob.Raw;\r | |
378 | Hob = BuildHobEndOfHobList(Hob.Raw);\r | |
379 | HandOffHob.HandoffInformationTable->EfiFreeMemoryBottom = (EFI_PHYSICAL_ADDRESS) (UINTN) Hob.Raw;\r | |
380 | return EFI_SUCCESS;\r | |
381 | }\r | |
382 | \r | |
383 | \r | |
384 | \r | |
385 | EFI_STATUS\r | |
386 | BuildHobStack (\r | |
387 | IN VOID *HobStart,\r | |
388 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
389 | IN UINT64 Length\r | |
390 | )\r | |
391 | /*++\r | |
392 | \r | |
393 | Routine Description:\r | |
394 | \r | |
395 | Builds a HOB for the Stack\r | |
396 | \r | |
397 | Arguments:\r | |
398 | \r | |
399 | HobStart - Start pointer of hob list\r | |
400 | \r | |
401 | BaseAddress - The 64 bit physical address of the Stack\r | |
402 | \r | |
403 | Length - The length of the stack in bytes\r | |
404 | \r | |
405 | Returns:\r | |
406 | \r | |
407 | EFI_SUCCESS\r | |
408 | EFI_NOT_AVAILABLE_YET\r | |
409 | \r | |
410 | --*/\r | |
411 | {\r | |
412 | EFI_PEI_HOB_POINTERS Hob;\r | |
413 | EFI_PEI_HOB_POINTERS HandOffHob;\r | |
414 | \r | |
415 | HandOffHob.Raw = HobStart;\r | |
416 | Hob.Raw = (VOID*)(UINTN)HandOffHob.HandoffInformationTable->EfiEndOfHobList;\r | |
417 | \r | |
418 | Hob.Header->HobType = EFI_HOB_TYPE_MEMORY_ALLOCATION;\r | |
e0096099 | 419 | Hob.Header->HobLength = (UINT16) sizeof (EFI_HOB_MEMORY_ALLOCATION_STACK);\r |
3eb9473e | 420 | \r |
421 | CopyMem(&(Hob.MemoryAllocationStack->AllocDescriptor.Name), &gEfiHobMemeryAllocStackGuid, sizeof(EFI_GUID));\r | |
422 | (Hob.MemoryAllocationStack->AllocDescriptor).MemoryBaseAddress = BaseAddress;\r | |
423 | (Hob.MemoryAllocationStack->AllocDescriptor).MemoryLength = Length;\r | |
c7f33ca4 | 424 | (Hob.MemoryAllocationStack->AllocDescriptor).MemoryType = EfiBootServicesData;\r |
3eb9473e | 425 | \r |
426 | Hob.MemoryAllocationStack++;\r | |
427 | HandOffHob.HandoffInformationTable->EfiEndOfHobList = (EFI_PHYSICAL_ADDRESS) (UINTN) Hob.Raw;\r | |
428 | Hob = BuildHobEndOfHobList(Hob.Raw);\r | |
429 | HandOffHob.HandoffInformationTable->EfiFreeMemoryBottom = (EFI_PHYSICAL_ADDRESS) (UINTN) Hob.Raw;\r | |
430 | return EFI_SUCCESS;\r | |
431 | }\r | |
432 | \r | |
433 | \r | |
434 | \r | |
435 | EFI_STATUS\r | |
436 | BuildHobBspStore (\r | |
437 | IN VOID *HobStart,\r | |
438 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
439 | IN UINT64 Length,\r | |
440 | IN EFI_MEMORY_TYPE MemoryType\r | |
441 | )\r | |
442 | /*++\r | |
443 | \r | |
444 | Routine Description:\r | |
445 | \r | |
446 | Builds a HOB for the bsp store\r | |
447 | \r | |
448 | Arguments:\r | |
449 | \r | |
450 | HobStart - Start pointer of hob list\r | |
451 | \r | |
452 | BaseAddress - The 64 bit physical address of bsp store\r | |
453 | \r | |
454 | Length - The length of the bsp store in bytes\r | |
455 | \r | |
456 | MemoryType - Memory type of the bsp store\r | |
457 | \r | |
458 | Returns:\r | |
459 | \r | |
460 | EFI_SUCCESS\r | |
461 | EFI_NOT_AVAILABLE_YET\r | |
462 | \r | |
463 | --*/\r | |
464 | {\r | |
465 | EFI_PEI_HOB_POINTERS Hob;\r | |
466 | EFI_PEI_HOB_POINTERS HandOffHob;\r | |
467 | \r | |
468 | HandOffHob.Raw = HobStart;\r | |
469 | Hob.Raw = (VOID *)(UINTN)HandOffHob.HandoffInformationTable->EfiEndOfHobList;\r | |
470 | Hob.Header->HobType = EFI_HOB_TYPE_MEMORY_ALLOCATION;\r | |
e0096099 | 471 | Hob.Header->HobLength = (UINT16) sizeof (EFI_HOB_MEMORY_ALLOCATION_BSP_STORE);\r |
3eb9473e | 472 | \r |
473 | (Hob.MemoryAllocationBspStore->AllocDescriptor).MemoryBaseAddress = BaseAddress;\r | |
474 | (Hob.MemoryAllocationBspStore->AllocDescriptor).MemoryLength = Length;\r | |
475 | (Hob.MemoryAllocationBspStore->AllocDescriptor).MemoryType = MemoryType;\r | |
476 | CopyMem(&(Hob.MemoryAllocationBspStore->AllocDescriptor).Name, &gEfiHobMemeryAllocBspStoreGuid, sizeof(EFI_GUID));\r | |
477 | Hob.MemoryAllocationBspStore++;\r | |
478 | \r | |
479 | HandOffHob.HandoffInformationTable->EfiEndOfHobList = (EFI_PHYSICAL_ADDRESS) (UINTN) Hob.Raw;\r | |
480 | Hob = BuildHobEndOfHobList(Hob.Raw);\r | |
481 | HandOffHob.HandoffInformationTable->EfiFreeMemoryBottom = (EFI_PHYSICAL_ADDRESS) (UINTN) Hob.Raw;\r | |
482 | return EFI_SUCCESS;\r | |
483 | }\r | |
484 | \r | |
485 | \r | |
486 | EFI_STATUS\r | |
487 | BuildMemoryAllocationHob (\r | |
488 | IN VOID *HobStart,\r | |
489 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
490 | IN UINT64 Length,\r | |
491 | IN EFI_GUID *Name,\r | |
492 | IN EFI_MEMORY_TYPE MemoryType\r | |
493 | )\r | |
494 | /*++\r | |
495 | \r | |
496 | Routine Description:\r | |
497 | \r | |
498 | Builds a HOB for memory allocation\r | |
499 | \r | |
500 | Arguments:\r | |
501 | \r | |
502 | HobStart - Start pointer of hob list\r | |
503 | \r | |
504 | BaseAddress - The base address of memory allocated by this HOB.\r | |
505 | \r | |
506 | Length - The length in bytes of memory allocated by this HOB.\r | |
507 | \r | |
fd0d281b | 508 | Name - A GUID that defines the memory allocation region's type and purpose, \r |
3eb9473e | 509 | as well as other fields within the memory allocation HOB.\r |
510 | \r | |
511 | MemoryType - Defines the type of memory allocated by this HOB.\r | |
512 | \r | |
513 | Returns:\r | |
514 | \r | |
515 | EFI_SUCCESS\r | |
516 | EFI_NOT_AVAILABLE_YET\r | |
517 | \r | |
518 | --*/\r | |
519 | {\r | |
520 | EFI_PEI_HOB_POINTERS Hob;\r | |
521 | EFI_PEI_HOB_POINTERS HandOffHob;\r | |
522 | \r | |
523 | \r | |
524 | HandOffHob.Raw = HobStart;\r | |
525 | Hob.Raw = (VOID*)(UINTN)HandOffHob.HandoffInformationTable->EfiEndOfHobList;\r | |
526 | \r | |
527 | Hob.Header->HobType = EFI_HOB_TYPE_MEMORY_ALLOCATION;\r | |
e0096099 | 528 | Hob.Header->HobLength = (UINT16) sizeof (EFI_HOB_MEMORY_ALLOCATION);\r |
3eb9473e | 529 | \r |
530 | if (Name != NULL) {\r | |
e0096099 | 531 | CopyMem (&(Hob.MemoryAllocation->AllocDescriptor.Name), &Name, sizeof (EFI_GUID));\r |
3eb9473e | 532 | } else {\r |
e0096099 | 533 | ZeroMem (&Hob.MemoryAllocation->AllocDescriptor.Name, sizeof (EFI_GUID));\r |
3eb9473e | 534 | }\r |
535 | \r | |
536 | (Hob.MemoryAllocation->AllocDescriptor).MemoryBaseAddress = BaseAddress;\r | |
537 | (Hob.MemoryAllocation->AllocDescriptor).MemoryLength = Length;\r | |
538 | (Hob.MemoryAllocation->AllocDescriptor).MemoryType = MemoryType;\r | |
539 | \r | |
540 | Hob.MemoryAllocation++;\r | |
541 | HandOffHob.HandoffInformationTable->EfiEndOfHobList = (EFI_PHYSICAL_ADDRESS) (UINTN) Hob.Raw;\r | |
542 | Hob = BuildHobEndOfHobList(Hob.Raw);\r | |
543 | HandOffHob.HandoffInformationTable->EfiFreeMemoryBottom = (EFI_PHYSICAL_ADDRESS) (UINTN) Hob.Raw;\r | |
544 | return EFI_SUCCESS;\r | |
545 | }\r | |
546 | \r | |
547 | EFI_STATUS\r | |
548 | GetFirstGuidHob (\r | |
549 | IN VOID **HobStart,\r | |
550 | IN EFI_GUID *Guid,\r | |
551 | OUT VOID **Buffer,\r | |
552 | OUT UINTN *BufferSize OPTIONAL\r | |
553 | ) \r | |
554 | /*++\r | |
555 | \r | |
556 | Routine Description:\r | |
557 | \r | |
558 | This function searches the first instance of a HOB among the whole HOB list. \r | |
559 | \r | |
560 | Arguments:\r | |
561 | \r | |
562 | HobStart - A pointer to the start pointer of hob list.\r | |
563 | \r | |
564 | Guid - A pointer to the GUID to match with in the HOB list.\r | |
565 | \r | |
566 | Buffer - A pointer to the pointer to the data for the custom HOB type.\r | |
567 | \r | |
568 | BufferSize - A Pointer to the size in byte of BufferSize.\r | |
569 | \r | |
570 | Returns:\r | |
571 | EFI_SUCCESS\r | |
572 | The first instance of the matched GUID HOB among the whole HOB list\r | |
573 | \r | |
574 | --*/\r | |
575 | {\r | |
576 | EFI_STATUS Status;\r | |
577 | EFI_PEI_HOB_POINTERS GuidHob;\r | |
578 | \r | |
579 | GuidHob.Raw = *HobStart;\r | |
580 | \r | |
581 | for (Status = EFI_NOT_FOUND; EFI_ERROR (Status); ) {\r | |
582 | \r | |
583 | if (END_OF_HOB_LIST (GuidHob)) {\r | |
584 | return EFI_NOT_FOUND;\r | |
585 | }\r | |
586 | \r | |
587 | if (GuidHob.Header->HobType == EFI_HOB_TYPE_GUID_EXTENSION) { \r | |
588 | if ( ((INT32 *)Guid)[0] == ((INT32 *)&GuidHob.Guid->Name)[0] &&\r | |
589 | ((INT32 *)Guid)[1] == ((INT32 *)&GuidHob.Guid->Name)[1] &&\r | |
590 | ((INT32 *)Guid)[2] == ((INT32 *)&GuidHob.Guid->Name)[2] &&\r | |
591 | ((INT32 *)Guid)[3] == ((INT32 *)&GuidHob.Guid->Name)[3] ) {\r | |
592 | Status = EFI_SUCCESS;\r | |
593 | *Buffer = (VOID *)((UINT8 *)(&GuidHob.Guid->Name) + sizeof (EFI_GUID));\r | |
594 | if (BufferSize) {\r | |
595 | *BufferSize = GuidHob.Header->HobLength - sizeof (EFI_HOB_GUID_TYPE);\r | |
596 | }\r | |
597 | }\r | |
598 | }\r | |
599 | \r | |
600 | GuidHob.Raw = GET_NEXT_HOB (GuidHob);\r | |
601 | }\r | |
602 | \r | |
603 | return Status;\r | |
604 | }\r | |
c7f33ca4 | 605 | \r |
606 | VOID *\r | |
607 | GetHob (\r | |
608 | IN UINT16 Type,\r | |
609 | IN VOID *HobStart\r | |
610 | )\r | |
611 | /*++\r | |
612 | \r | |
613 | Routine Description:\r | |
614 | \r | |
615 | This function returns the first instance of a HOB type in a HOB list.\r | |
616 | \r | |
617 | Arguments:\r | |
618 | \r | |
619 | Type The HOB type to return.\r | |
620 | HobStart The first HOB in the HOB list.\r | |
621 | \r | |
622 | Returns:\r | |
623 | \r | |
624 | HobStart There were no HOBs found with the requested type.\r | |
625 | else Returns the first HOB with the matching type.\r | |
626 | \r | |
627 | --*/\r | |
628 | {\r | |
629 | EFI_PEI_HOB_POINTERS Hob;\r | |
630 | \r | |
631 | Hob.Raw = HobStart;\r | |
632 | //\r | |
633 | // Return input if not found\r | |
634 | //\r | |
635 | if (HobStart == NULL) {\r | |
636 | return HobStart;\r | |
637 | }\r | |
638 | \r | |
639 | //\r | |
640 | // Parse the HOB list, stop if end of list or matching type found.\r | |
641 | //\r | |
642 | while (!END_OF_HOB_LIST (Hob)) {\r | |
643 | \r | |
644 | if (Hob.Header->HobType == Type) {\r | |
645 | break;\r | |
646 | }\r | |
647 | \r | |
648 | Hob.Raw = GET_NEXT_HOB (Hob);\r | |
649 | }\r | |
650 | \r | |
651 | //\r | |
652 | // Return input if not found\r | |
653 | //\r | |
654 | if (END_OF_HOB_LIST (Hob)) {\r | |
655 | return HobStart;\r | |
656 | }\r | |
657 | \r | |
658 | return (VOID *) (Hob.Raw);\r | |
659 | }\r | |
660 | \r | |
661 | EFI_STATUS\r | |
662 | GetNextGuidHob (\r | |
663 | IN OUT VOID **HobStart,\r | |
664 | IN EFI_GUID * Guid,\r | |
665 | OUT VOID **Buffer,\r | |
666 | OUT UINTN *BufferSize OPTIONAL\r | |
667 | )\r | |
668 | /*++\r | |
669 | \r | |
670 | Routine Description:\r | |
671 | Get the next guid hob.\r | |
672 | \r | |
673 | Arguments:\r | |
674 | HobStart A pointer to the start hob.\r | |
675 | Guid A pointer to a guid.\r | |
676 | Buffer A pointer to the buffer.\r | |
677 | BufferSize Buffer size.\r | |
678 | \r | |
679 | Returns:\r | |
680 | Status code.\r | |
681 | \r | |
682 | EFI_NOT_FOUND - Next Guid hob not found\r | |
683 | \r | |
684 | EFI_SUCCESS - Next Guid hob found and data for this Guid got\r | |
685 | \r | |
686 | EFI_INVALID_PARAMETER - invalid parameter\r | |
687 | \r | |
688 | --*/\r | |
689 | {\r | |
690 | EFI_STATUS Status;\r | |
691 | EFI_PEI_HOB_POINTERS GuidHob;\r | |
692 | \r | |
693 | if (Buffer == NULL) {\r | |
694 | return EFI_INVALID_PARAMETER;\r | |
695 | }\r | |
696 | \r | |
697 | for (Status = EFI_NOT_FOUND; EFI_ERROR (Status);) {\r | |
698 | \r | |
699 | GuidHob.Raw = *HobStart;\r | |
700 | if (END_OF_HOB_LIST (GuidHob)) {\r | |
701 | return EFI_NOT_FOUND;\r | |
702 | }\r | |
703 | \r | |
704 | GuidHob.Raw = GetHob (EFI_HOB_TYPE_GUID_EXTENSION, *HobStart);\r | |
705 | if (GuidHob.Header->HobType == EFI_HOB_TYPE_GUID_EXTENSION) {\r | |
706 | if ( ((INT32 *)Guid)[0] == ((INT32 *)&GuidHob.Guid->Name)[0] &&\r | |
707 | ((INT32 *)Guid)[1] == ((INT32 *)&GuidHob.Guid->Name)[1] &&\r | |
708 | ((INT32 *)Guid)[2] == ((INT32 *)&GuidHob.Guid->Name)[2] &&\r | |
709 | ((INT32 *)Guid)[3] == ((INT32 *)&GuidHob.Guid->Name)[3] ) {\r | |
710 | Status = EFI_SUCCESS;\r | |
711 | *Buffer = (VOID *) ((UINT8 *) (&GuidHob.Guid->Name) + sizeof (EFI_GUID));\r | |
712 | if (BufferSize != NULL) {\r | |
713 | *BufferSize = GuidHob.Header->HobLength - sizeof (EFI_HOB_GUID_TYPE);\r | |
714 | }\r | |
715 | }\r | |
716 | }\r | |
717 | \r | |
718 | *HobStart = GET_NEXT_HOB (GuidHob);\r | |
719 | }\r | |
720 | \r | |
721 | return Status;\r | |
722 | }\r |