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1 | /** @file\r |
2 | Sample to provide FSP wrapper hob process related function.\r | |
3 | \r | |
4 | Copyright (c) 2014 - 2016, Intel Corporation. All rights reserved.<BR>\r | |
5 | This program and the accompanying materials\r | |
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 | **/\r | |
14 | \r | |
15 | #include <PiPei.h>\r | |
16 | \r | |
17 | #include <Library/PeiServicesLib.h>\r | |
18 | #include <Library/PeiServicesTablePointerLib.h>\r | |
19 | #include <Library/BaseLib.h>\r | |
20 | #include <Library/DebugLib.h>\r | |
21 | #include <Library/BaseMemoryLib.h>\r | |
22 | #include <Library/HobLib.h>\r | |
23 | #include <Library/PcdLib.h>\r | |
24 | #include <Library/FspWrapperPlatformLib.h>\r | |
25 | \r | |
26 | #include <Guid/GuidHobFspEas.h>\r | |
27 | #include <Guid/MemoryTypeInformation.h>\r | |
28 | #include <Guid/PcdDataBaseHobGuid.h>\r | |
29 | #include <Ppi/Capsule.h>\r | |
30 | \r | |
31 | //\r | |
32 | // Additional pages are used by DXE memory manager.\r | |
33 | // It should be consistent between RetrieveRequiredMemorySize() and GetPeiMemSize()\r | |
34 | //\r | |
35 | #define PEI_ADDITIONAL_MEMORY_SIZE (16 * EFI_PAGE_SIZE)\r | |
36 | \r | |
37 | /**\r | |
38 | Get the mem size in memory type infromation table.\r | |
39 | \r | |
40 | @param[in] PeiServices PEI Services table.\r | |
41 | \r | |
42 | @return the mem size in memory type infromation table.\r | |
43 | **/\r | |
44 | UINT64\r | |
45 | GetMemorySizeInMemoryTypeInformation (\r | |
46 | IN EFI_PEI_SERVICES **PeiServices\r | |
47 | )\r | |
48 | {\r | |
49 | EFI_STATUS Status;\r | |
50 | EFI_PEI_HOB_POINTERS Hob;\r | |
51 | EFI_MEMORY_TYPE_INFORMATION *MemoryData;\r | |
52 | UINT8 Index;\r | |
53 | UINTN TempPageNum;\r | |
54 | \r | |
55 | MemoryData = NULL;\r | |
56 | Status = (*PeiServices)->GetHobList ((CONST EFI_PEI_SERVICES**)PeiServices, (VOID **) &Hob.Raw);\r | |
57 | ASSERT_EFI_ERROR (Status);\r | |
58 | while (!END_OF_HOB_LIST (Hob)) {\r | |
59 | if (Hob.Header->HobType == EFI_HOB_TYPE_GUID_EXTENSION &&\r | |
60 | CompareGuid (&Hob.Guid->Name, &gEfiMemoryTypeInformationGuid)) {\r | |
61 | MemoryData = (EFI_MEMORY_TYPE_INFORMATION *) (Hob.Raw + sizeof (EFI_HOB_GENERIC_HEADER) + sizeof (EFI_GUID));\r | |
62 | break;\r | |
63 | }\r | |
64 | \r | |
65 | Hob.Raw = GET_NEXT_HOB (Hob);\r | |
66 | }\r | |
67 | \r | |
68 | if (MemoryData == NULL) {\r | |
69 | return 0;\r | |
70 | }\r | |
71 | \r | |
72 | TempPageNum = 0;\r | |
73 | for (Index = 0; MemoryData[Index].Type != EfiMaxMemoryType; Index++) {\r | |
74 | //\r | |
75 | // Accumulate default memory size requirements\r | |
76 | //\r | |
77 | TempPageNum += MemoryData[Index].NumberOfPages;\r | |
78 | }\r | |
79 | \r | |
80 | return TempPageNum * EFI_PAGE_SIZE;\r | |
81 | }\r | |
82 | \r | |
83 | /**\r | |
84 | Get the mem size need to be reserved in PEI phase.\r | |
85 | \r | |
86 | @param[in] PeiServices PEI Services table.\r | |
87 | \r | |
88 | @return the mem size need to be reserved in PEI phase.\r | |
89 | **/\r | |
90 | UINT64\r | |
91 | RetrieveRequiredMemorySize (\r | |
92 | IN EFI_PEI_SERVICES **PeiServices\r | |
93 | )\r | |
94 | {\r | |
95 | UINT64 Size;\r | |
96 | \r | |
97 | Size = GetMemorySizeInMemoryTypeInformation (PeiServices);\r | |
98 | return Size + PEI_ADDITIONAL_MEMORY_SIZE;\r | |
99 | }\r | |
100 | \r | |
101 | /**\r | |
102 | Get the mem size need to be consumed and reserved in PEI phase.\r | |
103 | \r | |
104 | @param[in] PeiServices PEI Services table.\r | |
105 | @param[in] BootMode Current boot mode.\r | |
106 | \r | |
107 | @return the mem size need to be consumed and reserved in PEI phase.\r | |
108 | **/\r | |
109 | UINT64\r | |
110 | GetPeiMemSize (\r | |
111 | IN EFI_PEI_SERVICES **PeiServices,\r | |
112 | IN UINT32 BootMode\r | |
113 | )\r | |
114 | {\r | |
115 | UINT64 Size;\r | |
116 | UINT64 MinSize;\r | |
117 | \r | |
118 | if (BootMode == BOOT_IN_RECOVERY_MODE) {\r | |
119 | return PcdGet32 (PcdPeiRecoveryMinMemSize);\r | |
120 | }\r | |
121 | \r | |
122 | Size = GetMemorySizeInMemoryTypeInformation (PeiServices);\r | |
123 | \r | |
124 | if (BootMode == BOOT_ON_FLASH_UPDATE) {\r | |
125 | //\r | |
126 | // Maybe more size when in CapsuleUpdate phase ?\r | |
127 | //\r | |
128 | MinSize = PcdGet32 (PcdPeiMinMemSize);\r | |
129 | } else {\r | |
130 | MinSize = PcdGet32 (PcdPeiMinMemSize);\r | |
131 | }\r | |
132 | \r | |
133 | return MinSize + Size + PEI_ADDITIONAL_MEMORY_SIZE;\r | |
134 | }\r | |
135 | \r | |
136 | /**\r | |
137 | Post FSP-M HOB process for Memory Resource Descriptor.\r | |
138 | \r | |
139 | @param[in] FspHobList Pointer to the HOB data structure produced by FSP.\r | |
140 | \r | |
141 | @return If platform process the FSP hob list successfully.\r | |
142 | **/\r | |
143 | EFI_STATUS\r | |
144 | EFIAPI\r | |
145 | PostFspmHobProcess (\r | |
146 | IN VOID *FspHobList\r | |
147 | )\r | |
148 | {\r | |
149 | EFI_PEI_HOB_POINTERS Hob;\r | |
150 | UINT64 LowMemorySize;\r | |
151 | UINT64 FspMemorySize;\r | |
152 | EFI_PHYSICAL_ADDRESS FspMemoryBase;\r | |
153 | UINT64 PeiMemSize;\r | |
154 | EFI_PHYSICAL_ADDRESS PeiMemBase;\r | |
155 | UINT64 S3PeiMemSize;\r | |
156 | EFI_PHYSICAL_ADDRESS S3PeiMemBase;\r | |
157 | BOOLEAN FoundFspMemHob;\r | |
158 | EFI_STATUS Status;\r | |
159 | EFI_BOOT_MODE BootMode;\r | |
160 | EFI_PEI_CAPSULE_PPI *Capsule;\r | |
161 | VOID *CapsuleBuffer;\r | |
162 | UINTN CapsuleBufferLength;\r | |
163 | UINT64 RequiredMemSize;\r | |
164 | EFI_PEI_SERVICES **PeiServices;\r | |
165 | \r | |
166 | PeiServices = (EFI_PEI_SERVICES **)GetPeiServicesTablePointer ();\r | |
167 | \r | |
168 | PeiServicesGetBootMode (&BootMode);\r | |
169 | \r | |
170 | PeiMemBase = 0;\r | |
171 | LowMemorySize = 0;\r | |
172 | FspMemorySize = 0;\r | |
173 | FspMemoryBase = 0;\r | |
174 | FoundFspMemHob = FALSE;\r | |
175 | \r | |
176 | //\r | |
177 | // Parse the hob list from fsp\r | |
178 | // Report all the resource hob except the memory between 1M and 4G\r | |
179 | //\r | |
180 | Hob.Raw = (UINT8 *)(UINTN)FspHobList;\r | |
181 | DEBUG((DEBUG_INFO, "FspHobList - 0x%x\n", FspHobList));\r | |
182 | \r | |
183 | while ((Hob.Raw = GetNextHob (EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, Hob.Raw)) != NULL) {\r | |
184 | DEBUG((DEBUG_INFO, "\nResourceType: 0x%x\n", Hob.ResourceDescriptor->ResourceType));\r | |
185 | if ((Hob.ResourceDescriptor->ResourceType == EFI_RESOURCE_SYSTEM_MEMORY) ||\r | |
186 | (Hob.ResourceDescriptor->ResourceType == EFI_RESOURCE_MEMORY_RESERVED)) {\r | |
187 | DEBUG((DEBUG_INFO, "ResourceAttribute: 0x%x\n", Hob.ResourceDescriptor->ResourceAttribute));\r | |
188 | DEBUG((DEBUG_INFO, "PhysicalStart: 0x%x\n", Hob.ResourceDescriptor->PhysicalStart));\r | |
189 | DEBUG((DEBUG_INFO, "ResourceLength: 0x%x\n", Hob.ResourceDescriptor->ResourceLength));\r | |
190 | DEBUG((DEBUG_INFO, "Owner: %g\n\n", &Hob.ResourceDescriptor->Owner));\r | |
191 | }\r | |
192 | \r | |
193 | if ((Hob.ResourceDescriptor->ResourceType == EFI_RESOURCE_SYSTEM_MEMORY) // Found the low memory length below 4G\r | |
194 | && (Hob.ResourceDescriptor->PhysicalStart >= BASE_1MB)\r | |
195 | && (Hob.ResourceDescriptor->PhysicalStart + Hob.ResourceDescriptor->ResourceLength <= BASE_4GB)) {\r | |
196 | LowMemorySize += Hob.ResourceDescriptor->ResourceLength;\r | |
197 | Hob.Raw = GET_NEXT_HOB (Hob);\r | |
198 | continue;\r | |
199 | }\r | |
200 | \r | |
201 | if ((Hob.ResourceDescriptor->ResourceType == EFI_RESOURCE_MEMORY_RESERVED) // Found the low memory length below 4G\r | |
202 | && (Hob.ResourceDescriptor->PhysicalStart >= BASE_1MB)\r | |
203 | && (Hob.ResourceDescriptor->PhysicalStart + Hob.ResourceDescriptor->ResourceLength <= BASE_4GB)\r | |
204 | && (CompareGuid (&Hob.ResourceDescriptor->Owner, &gFspReservedMemoryResourceHobGuid))) {\r | |
205 | FoundFspMemHob = TRUE;\r | |
206 | FspMemoryBase = Hob.ResourceDescriptor->PhysicalStart;\r | |
207 | FspMemorySize = Hob.ResourceDescriptor->ResourceLength;\r | |
208 | DEBUG((DEBUG_INFO, "Find fsp mem hob, base 0x%x, len 0x%x\n", FspMemoryBase, FspMemorySize));\r | |
209 | }\r | |
210 | \r | |
211 | //\r | |
212 | // Report the resource hob\r | |
213 | //\r | |
214 | BuildResourceDescriptorHob (\r | |
215 | Hob.ResourceDescriptor->ResourceType,\r | |
216 | Hob.ResourceDescriptor->ResourceAttribute,\r | |
217 | Hob.ResourceDescriptor->PhysicalStart,\r | |
218 | Hob.ResourceDescriptor->ResourceLength\r | |
219 | );\r | |
220 | \r | |
221 | Hob.Raw = GET_NEXT_HOB (Hob);\r | |
222 | }\r | |
223 | \r | |
224 | if (!FoundFspMemHob) {\r | |
225 | DEBUG((DEBUG_INFO, "Didn't find the fsp used memory information.\n"));\r | |
226 | //ASSERT(FALSE);\r | |
227 | }\r | |
228 | \r | |
229 | DEBUG((DEBUG_INFO, "LowMemorySize: 0x%x.\n", LowMemorySize));\r | |
230 | DEBUG((DEBUG_INFO, "FspMemoryBase: 0x%x.\n", FspMemoryBase));\r | |
231 | DEBUG((DEBUG_INFO, "FspMemorySize: 0x%x.\n", FspMemorySize));\r | |
232 | \r | |
233 | if (BootMode == BOOT_ON_S3_RESUME) {\r | |
234 | BuildResourceDescriptorHob (\r | |
235 | EFI_RESOURCE_SYSTEM_MEMORY,\r | |
236 | (\r | |
237 | EFI_RESOURCE_ATTRIBUTE_PRESENT |\r | |
238 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r | |
239 | // EFI_RESOURCE_ATTRIBUTE_TESTED |\r | |
240 | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |\r | |
241 | EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |\r | |
242 | EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |\r | |
243 | EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE\r | |
244 | ),\r | |
245 | BASE_1MB,\r | |
246 | LowMemorySize\r | |
247 | );\r | |
248 | \r | |
249 | S3PeiMemBase = 0;\r | |
250 | S3PeiMemSize = 0;\r | |
251 | Status = GetS3MemoryInfo (&S3PeiMemSize, &S3PeiMemBase);\r | |
252 | ASSERT_EFI_ERROR (Status);\r | |
253 | DEBUG((DEBUG_INFO, "S3 memory %Xh - %Xh bytes\n", S3PeiMemBase, S3PeiMemSize));\r | |
254 | \r | |
255 | //\r | |
256 | // Make sure Stack and PeiMemory are not overlap\r | |
257 | //\r | |
258 | \r | |
259 | Status = PeiServicesInstallPeiMemory (\r | |
260 | S3PeiMemBase,\r | |
261 | S3PeiMemSize\r | |
262 | );\r | |
263 | ASSERT_EFI_ERROR (Status);\r | |
264 | } else {\r | |
265 | PeiMemSize = GetPeiMemSize (PeiServices, BootMode);\r | |
266 | DEBUG((DEBUG_INFO, "PEI memory size = %Xh bytes\n", PeiMemSize));\r | |
267 | \r | |
268 | //\r | |
269 | // Capsule mode\r | |
270 | //\r | |
271 | Capsule = NULL;\r | |
272 | CapsuleBuffer = NULL;\r | |
273 | CapsuleBufferLength = 0;\r | |
274 | if (BootMode == BOOT_ON_FLASH_UPDATE) {\r | |
275 | Status = PeiServicesLocatePpi (\r | |
276 | &gEfiPeiCapsulePpiGuid,\r | |
277 | 0,\r | |
278 | NULL,\r | |
279 | (VOID **) &Capsule\r | |
280 | );\r | |
281 | ASSERT_EFI_ERROR (Status);\r | |
282 | \r | |
283 | if (Status == EFI_SUCCESS) {\r | |
284 | //\r | |
285 | // Make sure Stack and CapsuleBuffer are not overlap\r | |
286 | //\r | |
287 | CapsuleBuffer = (VOID *)(UINTN)BASE_1MB;\r | |
288 | CapsuleBufferLength = (UINTN)(LowMemorySize - PeiMemSize);\r | |
289 | //\r | |
290 | // Call the Capsule PPI Coalesce function to coalesce the capsule data.\r | |
291 | //\r | |
292 | Status = Capsule->Coalesce (PeiServices, &CapsuleBuffer, &CapsuleBufferLength);\r | |
293 | }\r | |
294 | }\r | |
295 | \r | |
296 | RequiredMemSize = RetrieveRequiredMemorySize (PeiServices);\r | |
297 | DEBUG((DEBUG_INFO, "Required memory size = %Xh bytes\n", RequiredMemSize));\r | |
298 | \r | |
299 | //\r | |
300 | // Report the main memory\r | |
301 | //\r | |
302 | BuildResourceDescriptorHob (\r | |
303 | EFI_RESOURCE_SYSTEM_MEMORY,\r | |
304 | (\r | |
305 | EFI_RESOURCE_ATTRIBUTE_PRESENT |\r | |
306 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r | |
307 | EFI_RESOURCE_ATTRIBUTE_TESTED |\r | |
308 | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |\r | |
309 | EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |\r | |
310 | EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |\r | |
311 | EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE\r | |
312 | ),\r | |
313 | BASE_1MB,\r | |
314 | LowMemorySize\r | |
315 | );\r | |
316 | \r | |
317 | //\r | |
318 | // Make sure Stack and CapsuleBuffer are not overlap\r | |
319 | //\r | |
320 | \r | |
321 | //\r | |
322 | // Install efi memory\r | |
323 | //\r | |
324 | PeiMemBase = BASE_1MB + LowMemorySize - PeiMemSize;\r | |
325 | Status = PeiServicesInstallPeiMemory (\r | |
326 | PeiMemBase,\r | |
327 | PeiMemSize - RequiredMemSize\r | |
328 | );\r | |
329 | ASSERT_EFI_ERROR (Status);\r | |
330 | \r | |
331 | if (Capsule != NULL) {\r | |
332 | Status = Capsule->CreateState (PeiServices, CapsuleBuffer, CapsuleBufferLength);\r | |
333 | }\r | |
334 | }\r | |
335 | \r | |
336 | return EFI_SUCCESS;\r | |
337 | }\r | |
338 | \r | |
339 | /**\r | |
340 | Process FSP HOB list\r | |
341 | \r | |
342 | @param[in] FspHobList Pointer to the HOB data structure produced by FSP.\r | |
343 | \r | |
344 | **/\r | |
345 | VOID\r | |
346 | ProcessFspHobList (\r | |
347 | IN VOID *FspHobList\r | |
348 | )\r | |
349 | {\r | |
350 | EFI_PEI_HOB_POINTERS FspHob;\r | |
351 | \r | |
352 | FspHob.Raw = FspHobList;\r | |
353 | \r | |
354 | //\r | |
355 | // Add all the HOBs from FSP binary to FSP wrapper\r | |
356 | //\r | |
357 | while (!END_OF_HOB_LIST (FspHob)) {\r | |
358 | if (FspHob.Header->HobType == EFI_HOB_TYPE_GUID_EXTENSION) {\r | |
359 | //\r | |
360 | // Skip FSP binary creates PcdDataBaseHobGuid\r | |
361 | //\r | |
362 | if (!CompareGuid(&FspHob.Guid->Name, &gPcdDataBaseHobGuid)) { \r | |
363 | BuildGuidDataHob (\r | |
364 | &FspHob.Guid->Name,\r | |
365 | GET_GUID_HOB_DATA(FspHob),\r | |
366 | GET_GUID_HOB_DATA_SIZE(FspHob)\r | |
367 | );\r | |
368 | }\r | |
369 | }\r | |
370 | FspHob.Raw = GET_NEXT_HOB (FspHob);\r | |
371 | }\r | |
372 | }\r | |
373 | \r | |
374 | /**\r | |
375 | Post FSP-S HOB process (not Memory Resource Descriptor).\r | |
376 | \r | |
377 | @param[in] FspHobList Pointer to the HOB data structure produced by FSP.\r | |
378 | \r | |
379 | @return If platform process the FSP hob list successfully.\r | |
380 | **/\r | |
381 | EFI_STATUS\r | |
382 | EFIAPI\r | |
383 | PostFspsHobProcess (\r | |
384 | IN VOID *FspHobList\r | |
385 | )\r | |
386 | {\r | |
387 | ProcessFspHobList (FspHobList);\r | |
388 | \r | |
389 | return EFI_SUCCESS;\r | |
390 | } |