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1e57a462 | 1 | /** @file\r |
2 | \r | |
3 | Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r | |
3402aac7 | 4 | \r |
878b807a | 5 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
1e57a462 | 6 | \r |
7 | **/\r | |
8 | \r | |
9 | #include <PrePi.h>\r | |
10 | \r | |
11 | //\r | |
12 | // Hack to work in NT32\r | |
13 | //\r | |
14 | EFI_STATUS\r | |
15 | \r | |
16 | EFIAPI\r | |
17 | \r | |
18 | SecWinNtPeiLoadFile (\r | |
e7108d0e MK |
19 | IN VOID *Pe32Data,\r |
20 | IN EFI_PHYSICAL_ADDRESS *ImageAddress,\r | |
21 | IN UINT64 *ImageSize,\r | |
22 | IN EFI_PHYSICAL_ADDRESS *EntryPoint\r | |
1e57a462 | 23 | );\r |
24 | \r | |
6ac97ad3 | 25 | STATIC\r |
e7108d0e | 26 | VOID *\r |
6ac97ad3 AB |
27 | EFIAPI\r |
28 | AllocateCodePages (\r | |
e7108d0e | 29 | IN UINTN Pages\r |
6ac97ad3 AB |
30 | )\r |
31 | {\r | |
e7108d0e MK |
32 | VOID *Alloc;\r |
33 | EFI_PEI_HOB_POINTERS Hob;\r | |
6ac97ad3 AB |
34 | \r |
35 | Alloc = AllocatePages (Pages);\r | |
36 | if (Alloc == NULL) {\r | |
37 | return NULL;\r | |
38 | }\r | |
39 | \r | |
40 | // find the HOB we just created, and change the type to EfiBootServicesCode\r | |
41 | Hob.Raw = GetFirstHob (EFI_HOB_TYPE_MEMORY_ALLOCATION);\r | |
42 | while (Hob.Raw != NULL) {\r | |
43 | if (Hob.MemoryAllocation->AllocDescriptor.MemoryBaseAddress == (UINTN)Alloc) {\r | |
44 | Hob.MemoryAllocation->AllocDescriptor.MemoryType = EfiBootServicesCode;\r | |
45 | return Alloc;\r | |
46 | }\r | |
e7108d0e | 47 | \r |
6ac97ad3 AB |
48 | Hob.Raw = GetNextHob (EFI_HOB_TYPE_MEMORY_ALLOCATION, GET_NEXT_HOB (Hob));\r |
49 | }\r | |
50 | \r | |
51 | ASSERT (FALSE);\r | |
52 | \r | |
53 | FreePages (Alloc, Pages);\r | |
54 | return NULL;\r | |
55 | }\r | |
56 | \r | |
1e57a462 | 57 | EFI_STATUS\r |
58 | EFIAPI\r | |
59 | LoadPeCoffImage (\r | |
e7108d0e MK |
60 | IN VOID *PeCoffImage,\r |
61 | OUT EFI_PHYSICAL_ADDRESS *ImageAddress,\r | |
62 | OUT UINT64 *ImageSize,\r | |
63 | OUT EFI_PHYSICAL_ADDRESS *EntryPoint\r | |
1e57a462 | 64 | )\r |
65 | {\r | |
66 | RETURN_STATUS Status;\r | |
67 | PE_COFF_LOADER_IMAGE_CONTEXT ImageContext;\r | |
e7108d0e | 68 | VOID *Buffer;\r |
1e57a462 | 69 | \r |
70 | ZeroMem (&ImageContext, sizeof (ImageContext));\r | |
3402aac7 | 71 | \r |
1e57a462 | 72 | ImageContext.Handle = PeCoffImage;\r |
73 | ImageContext.ImageRead = PeCoffLoaderImageReadFromMemory;\r | |
74 | \r | |
75 | Status = PeCoffLoaderGetImageInfo (&ImageContext);\r | |
76 | ASSERT_EFI_ERROR (Status);\r | |
3402aac7 | 77 | \r |
1e57a462 | 78 | //\r |
79 | // Allocate Memory for the image\r | |
80 | //\r | |
e7108d0e | 81 | Buffer = AllocateCodePages (EFI_SIZE_TO_PAGES ((UINT32)ImageContext.ImageSize));\r |
1e57a462 | 82 | ASSERT (Buffer != 0);\r |
83 | \r | |
1e57a462 | 84 | ImageContext.ImageAddress = (EFI_PHYSICAL_ADDRESS)(UINTN)Buffer;\r |
85 | \r | |
86 | //\r | |
87 | // Load the image to our new buffer\r | |
88 | //\r | |
89 | Status = PeCoffLoaderLoadImage (&ImageContext);\r | |
90 | ASSERT_EFI_ERROR (Status);\r | |
91 | \r | |
92 | //\r | |
93 | // Relocate the image in our new buffer\r | |
94 | //\r | |
95 | Status = PeCoffLoaderRelocateImage (&ImageContext);\r | |
96 | ASSERT_EFI_ERROR (Status);\r | |
97 | \r | |
1e57a462 | 98 | *ImageAddress = ImageContext.ImageAddress;\r |
99 | *ImageSize = ImageContext.ImageSize;\r | |
100 | *EntryPoint = ImageContext.EntryPoint;\r | |
101 | \r | |
102 | //\r | |
103 | // Flush not needed for all architectures. We could have a processor specific\r | |
104 | // function in this library that does the no-op if needed.\r | |
105 | //\r | |
106 | InvalidateInstructionCacheRange ((VOID *)(UINTN)*ImageAddress, (UINTN)*ImageSize);\r | |
107 | \r | |
108 | return Status;\r | |
109 | }\r | |
110 | \r | |
3402aac7 | 111 | typedef\r |
1e57a462 | 112 | VOID\r |
e7108d0e | 113 | (EFIAPI *DXE_CORE_ENTRY_POINT)(\r |
1e57a462 | 114 | IN VOID *HobStart\r |
115 | );\r | |
116 | \r | |
117 | EFI_STATUS\r | |
118 | EFIAPI\r | |
119 | LoadDxeCoreFromFfsFile (\r | |
120 | IN EFI_PEI_FILE_HANDLE FileHandle,\r | |
121 | IN UINTN StackSize\r | |
122 | )\r | |
123 | {\r | |
e7108d0e MK |
124 | EFI_STATUS Status;\r |
125 | VOID *PeCoffImage;\r | |
126 | EFI_PHYSICAL_ADDRESS ImageAddress;\r | |
127 | UINT64 ImageSize;\r | |
128 | EFI_PHYSICAL_ADDRESS EntryPoint;\r | |
129 | VOID *BaseOfStack;\r | |
130 | VOID *TopOfStack;\r | |
131 | VOID *Hob;\r | |
132 | EFI_FV_FILE_INFO FvFileInfo;\r | |
1e57a462 | 133 | \r |
0826808d | 134 | Status = FfsFindSectionDataWithHook (EFI_SECTION_PE32, NULL, FileHandle, &PeCoffImage);\r |
e7108d0e | 135 | if (EFI_ERROR (Status)) {\r |
1e57a462 | 136 | return Status;\r |
137 | }\r | |
138 | \r | |
1e57a462 | 139 | Status = LoadPeCoffImage (PeCoffImage, &ImageAddress, &ImageSize, &EntryPoint);\r |
e7108d0e | 140 | // For NT32 Debug Status = SecWinNtPeiLoadFile (PeCoffImage, &ImageAddress, &ImageSize, &EntryPoint);\r |
1e57a462 | 141 | ASSERT_EFI_ERROR (Status);\r |
142 | \r | |
143 | //\r | |
144 | // Extract the DxeCore GUID file name.\r | |
145 | //\r | |
146 | Status = FfsGetFileInfo (FileHandle, &FvFileInfo);\r | |
147 | ASSERT_EFI_ERROR (Status);\r | |
148 | \r | |
e7108d0e | 149 | BuildModuleHob (&FvFileInfo.FileName, (EFI_PHYSICAL_ADDRESS)(UINTN)ImageAddress, EFI_SIZE_TO_PAGES ((UINT32)ImageSize) * EFI_PAGE_SIZE, EntryPoint);\r |
3402aac7 | 150 | \r |
a1878955 | 151 | DEBUG ((DEBUG_INFO | DEBUG_LOAD, "Loading DxeCore at 0x%10p EntryPoint=0x%10p\n", (VOID *)(UINTN)ImageAddress, (VOID *)(UINTN)EntryPoint));\r |
1e57a462 | 152 | \r |
153 | Hob = GetHobList ();\r | |
154 | if (StackSize == 0) {\r | |
155 | // User the current stack\r | |
3402aac7 | 156 | \r |
e7108d0e | 157 | ((DXE_CORE_ENTRY_POINT)(UINTN)EntryPoint)(Hob);\r |
1e57a462 | 158 | } else {\r |
1e57a462 | 159 | //\r |
160 | // Allocate 128KB for the Stack\r | |
161 | //\r | |
162 | BaseOfStack = AllocatePages (EFI_SIZE_TO_PAGES (StackSize));\r | |
163 | ASSERT (BaseOfStack != NULL);\r | |
3402aac7 | 164 | \r |
1e57a462 | 165 | //\r |
166 | // Compute the top of the stack we were allocated. Pre-allocate a UINTN\r | |
167 | // for safety.\r | |
168 | //\r | |
e7108d0e | 169 | TopOfStack = (VOID *)((UINTN)BaseOfStack + EFI_SIZE_TO_PAGES (StackSize) * EFI_PAGE_SIZE - CPU_STACK_ALIGNMENT);\r |
1e57a462 | 170 | TopOfStack = ALIGN_POINTER (TopOfStack, CPU_STACK_ALIGNMENT);\r |
171 | \r | |
172 | //\r | |
173 | // Update the contents of BSP stack HOB to reflect the real stack info passed to DxeCore.\r | |
3402aac7 | 174 | //\r |
e7108d0e | 175 | UpdateStackHob ((EFI_PHYSICAL_ADDRESS)(UINTN)BaseOfStack, StackSize);\r |
1e57a462 | 176 | \r |
177 | SwitchStack (\r | |
178 | (SWITCH_STACK_ENTRY_POINT)(UINTN)EntryPoint,\r | |
179 | Hob,\r | |
180 | NULL,\r | |
181 | TopOfStack\r | |
182 | );\r | |
1e57a462 | 183 | }\r |
3402aac7 | 184 | \r |
1e57a462 | 185 | // Should never get here as DXE Core does not return\r |
a1878955 | 186 | DEBUG ((DEBUG_ERROR, "DxeCore returned\n"));\r |
1e57a462 | 187 | ASSERT (FALSE);\r |
3402aac7 | 188 | \r |
1e57a462 | 189 | return EFI_DEVICE_ERROR;\r |
190 | }\r | |
191 | \r | |
1e57a462 | 192 | EFI_STATUS\r |
193 | EFIAPI\r | |
194 | LoadDxeCoreFromFv (\r | |
79243308 | 195 | IN UINTN *FvInstance OPTIONAL,\r |
1e57a462 | 196 | IN UINTN StackSize\r |
197 | )\r | |
198 | {\r | |
e7108d0e MK |
199 | EFI_STATUS Status;\r |
200 | EFI_PEI_FV_HANDLE VolumeHandle;\r | |
201 | EFI_PEI_FILE_HANDLE FileHandle = NULL;\r | |
1e57a462 | 202 | \r |
203 | if (FvInstance != NULL) {\r | |
204 | //\r | |
205 | // Caller passed in a specific FV to try, so only try that one\r | |
206 | //\r | |
207 | Status = FfsFindNextVolume (*FvInstance, &VolumeHandle);\r | |
208 | if (!EFI_ERROR (Status)) {\r | |
209 | Status = FfsFindNextFile (EFI_FV_FILETYPE_DXE_CORE, VolumeHandle, &FileHandle);\r | |
210 | }\r | |
211 | } else {\r | |
212 | Status = FfsAnyFvFindFirstFile (EFI_FV_FILETYPE_DXE_CORE, &VolumeHandle, &FileHandle);\r | |
213 | }\r | |
214 | \r | |
215 | if (!EFI_ERROR (Status)) {\r | |
216 | return LoadDxeCoreFromFfsFile (FileHandle, StackSize);\r | |
3402aac7 RC |
217 | }\r |
218 | \r | |
219 | return Status;\r | |
1e57a462 | 220 | }\r |
221 | \r | |
1e57a462 | 222 | EFI_STATUS\r |
223 | EFIAPI\r | |
224 | DecompressFirstFv (\r | |
225 | VOID\r | |
226 | )\r | |
227 | {\r | |
e7108d0e MK |
228 | EFI_STATUS Status;\r |
229 | EFI_PEI_FV_HANDLE VolumeHandle;\r | |
230 | EFI_PEI_FILE_HANDLE FileHandle;\r | |
1e57a462 | 231 | \r |
232 | Status = FfsAnyFvFindFirstFile (EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE, &VolumeHandle, &FileHandle);\r | |
233 | if (!EFI_ERROR (Status)) {\r | |
234 | Status = FfsProcessFvFile (FileHandle);\r | |
235 | }\r | |
3402aac7 | 236 | \r |
1e57a462 | 237 | return Status;\r |
238 | }\r |