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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 | |
19 | IN VOID *Pe32Data,\r | |
20 | IN EFI_PHYSICAL_ADDRESS *ImageAddress,\r | |
21 | IN UINT64 *ImageSize,\r | |
22 | IN EFI_PHYSICAL_ADDRESS *EntryPoint\r | |
23 | );\r | |
24 | \r | |
6ac97ad3 AB |
25 | STATIC\r |
26 | VOID*\r | |
27 | EFIAPI\r | |
28 | AllocateCodePages (\r | |
29 | IN UINTN Pages\r | |
30 | )\r | |
31 | {\r | |
32 | VOID *Alloc;\r | |
33 | EFI_PEI_HOB_POINTERS Hob;\r | |
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 | |
47 | Hob.Raw = GetNextHob (EFI_HOB_TYPE_MEMORY_ALLOCATION, GET_NEXT_HOB (Hob));\r | |
48 | }\r | |
49 | \r | |
50 | ASSERT (FALSE);\r | |
51 | \r | |
52 | FreePages (Alloc, Pages);\r | |
53 | return NULL;\r | |
54 | }\r | |
55 | \r | |
1e57a462 | 56 | \r |
57 | EFI_STATUS\r | |
58 | EFIAPI\r | |
59 | LoadPeCoffImage (\r | |
60 | IN VOID *PeCoffImage,\r | |
61 | OUT EFI_PHYSICAL_ADDRESS *ImageAddress,\r | |
62 | OUT UINT64 *ImageSize,\r | |
63 | OUT EFI_PHYSICAL_ADDRESS *EntryPoint\r | |
64 | )\r | |
65 | {\r | |
66 | RETURN_STATUS Status;\r | |
67 | PE_COFF_LOADER_IMAGE_CONTEXT ImageContext;\r | |
68 | VOID *Buffer;\r | |
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 | //\r | |
80 | // Allocate Memory for the image\r | |
81 | //\r | |
6ac97ad3 | 82 | Buffer = AllocateCodePages (EFI_SIZE_TO_PAGES((UINT32)ImageContext.ImageSize));\r |
1e57a462 | 83 | ASSERT (Buffer != 0);\r |
84 | \r | |
85 | \r | |
86 | ImageContext.ImageAddress = (EFI_PHYSICAL_ADDRESS)(UINTN)Buffer;\r | |
87 | \r | |
88 | //\r | |
89 | // Load the image to our new buffer\r | |
90 | //\r | |
91 | Status = PeCoffLoaderLoadImage (&ImageContext);\r | |
92 | ASSERT_EFI_ERROR (Status);\r | |
93 | \r | |
94 | //\r | |
95 | // Relocate the image in our new buffer\r | |
96 | //\r | |
97 | Status = PeCoffLoaderRelocateImage (&ImageContext);\r | |
98 | ASSERT_EFI_ERROR (Status);\r | |
99 | \r | |
100 | \r | |
101 | *ImageAddress = ImageContext.ImageAddress;\r | |
102 | *ImageSize = ImageContext.ImageSize;\r | |
103 | *EntryPoint = ImageContext.EntryPoint;\r | |
104 | \r | |
105 | //\r | |
106 | // Flush not needed for all architectures. We could have a processor specific\r | |
107 | // function in this library that does the no-op if needed.\r | |
108 | //\r | |
109 | InvalidateInstructionCacheRange ((VOID *)(UINTN)*ImageAddress, (UINTN)*ImageSize);\r | |
110 | \r | |
111 | return Status;\r | |
112 | }\r | |
113 | \r | |
114 | \r | |
115 | \r | |
3402aac7 | 116 | typedef\r |
1e57a462 | 117 | VOID\r |
118 | (EFIAPI *DXE_CORE_ENTRY_POINT) (\r | |
119 | IN VOID *HobStart\r | |
120 | );\r | |
121 | \r | |
122 | EFI_STATUS\r | |
123 | EFIAPI\r | |
124 | LoadDxeCoreFromFfsFile (\r | |
125 | IN EFI_PEI_FILE_HANDLE FileHandle,\r | |
126 | IN UINTN StackSize\r | |
127 | )\r | |
128 | {\r | |
129 | EFI_STATUS Status;\r | |
130 | VOID *PeCoffImage;\r | |
131 | EFI_PHYSICAL_ADDRESS ImageAddress;\r | |
132 | UINT64 ImageSize;\r | |
133 | EFI_PHYSICAL_ADDRESS EntryPoint;\r | |
134 | VOID *BaseOfStack;\r | |
135 | VOID *TopOfStack;\r | |
136 | VOID *Hob;\r | |
137 | EFI_FV_FILE_INFO FvFileInfo;\r | |
138 | \r | |
139 | Status = FfsFindSectionData (EFI_SECTION_PE32, FileHandle, &PeCoffImage);\r | |
140 | if (EFI_ERROR (Status)) {\r | |
141 | return Status;\r | |
142 | }\r | |
143 | \r | |
3402aac7 | 144 | \r |
1e57a462 | 145 | Status = LoadPeCoffImage (PeCoffImage, &ImageAddress, &ImageSize, &EntryPoint);\r |
146 | // For NT32 Debug Status = SecWinNtPeiLoadFile (PeCoffImage, &ImageAddress, &ImageSize, &EntryPoint);\r | |
147 | ASSERT_EFI_ERROR (Status);\r | |
148 | \r | |
149 | //\r | |
150 | // Extract the DxeCore GUID file name.\r | |
151 | //\r | |
152 | Status = FfsGetFileInfo (FileHandle, &FvFileInfo);\r | |
153 | ASSERT_EFI_ERROR (Status);\r | |
154 | \r | |
155 | BuildModuleHob (&FvFileInfo.FileName, (EFI_PHYSICAL_ADDRESS)(UINTN)ImageAddress, EFI_SIZE_TO_PAGES ((UINT32) ImageSize) * EFI_PAGE_SIZE, EntryPoint);\r | |
3402aac7 | 156 | \r |
1e57a462 | 157 | DEBUG ((EFI_D_INFO | EFI_D_LOAD, "Loading DxeCore at 0x%10p EntryPoint=0x%10p\n", (VOID *)(UINTN)ImageAddress, (VOID *)(UINTN)EntryPoint));\r |
158 | \r | |
159 | Hob = GetHobList ();\r | |
160 | if (StackSize == 0) {\r | |
161 | // User the current stack\r | |
3402aac7 | 162 | \r |
1e57a462 | 163 | ((DXE_CORE_ENTRY_POINT)(UINTN)EntryPoint) (Hob);\r |
164 | } else {\r | |
3402aac7 | 165 | \r |
1e57a462 | 166 | //\r |
167 | // Allocate 128KB for the Stack\r | |
168 | //\r | |
169 | BaseOfStack = AllocatePages (EFI_SIZE_TO_PAGES (StackSize));\r | |
170 | ASSERT (BaseOfStack != NULL);\r | |
3402aac7 | 171 | \r |
1e57a462 | 172 | //\r |
173 | // Compute the top of the stack we were allocated. Pre-allocate a UINTN\r | |
174 | // for safety.\r | |
175 | //\r | |
176 | TopOfStack = (VOID *) ((UINTN) BaseOfStack + EFI_SIZE_TO_PAGES (StackSize) * EFI_PAGE_SIZE - CPU_STACK_ALIGNMENT);\r | |
177 | TopOfStack = ALIGN_POINTER (TopOfStack, CPU_STACK_ALIGNMENT);\r | |
178 | \r | |
179 | //\r | |
180 | // Update the contents of BSP stack HOB to reflect the real stack info passed to DxeCore.\r | |
3402aac7 | 181 | //\r |
1e57a462 | 182 | UpdateStackHob ((EFI_PHYSICAL_ADDRESS)(UINTN) BaseOfStack, StackSize);\r |
183 | \r | |
184 | SwitchStack (\r | |
185 | (SWITCH_STACK_ENTRY_POINT)(UINTN)EntryPoint,\r | |
186 | Hob,\r | |
187 | NULL,\r | |
188 | TopOfStack\r | |
189 | );\r | |
190 | \r | |
191 | }\r | |
3402aac7 | 192 | \r |
1e57a462 | 193 | // Should never get here as DXE Core does not return\r |
194 | DEBUG ((EFI_D_ERROR, "DxeCore returned\n"));\r | |
195 | ASSERT (FALSE);\r | |
3402aac7 | 196 | \r |
1e57a462 | 197 | return EFI_DEVICE_ERROR;\r |
198 | }\r | |
199 | \r | |
200 | \r | |
201 | \r | |
202 | EFI_STATUS\r | |
203 | EFIAPI\r | |
204 | LoadDxeCoreFromFv (\r | |
205 | IN UINTN *FvInstance, OPTIONAL\r | |
206 | IN UINTN StackSize\r | |
207 | )\r | |
208 | {\r | |
209 | EFI_STATUS Status;\r | |
210 | EFI_PEI_FV_HANDLE VolumeHandle;\r | |
211 | EFI_PEI_FILE_HANDLE FileHandle = NULL;\r | |
212 | \r | |
213 | if (FvInstance != NULL) {\r | |
214 | //\r | |
215 | // Caller passed in a specific FV to try, so only try that one\r | |
216 | //\r | |
217 | Status = FfsFindNextVolume (*FvInstance, &VolumeHandle);\r | |
218 | if (!EFI_ERROR (Status)) {\r | |
219 | Status = FfsFindNextFile (EFI_FV_FILETYPE_DXE_CORE, VolumeHandle, &FileHandle);\r | |
220 | }\r | |
221 | } else {\r | |
222 | Status = FfsAnyFvFindFirstFile (EFI_FV_FILETYPE_DXE_CORE, &VolumeHandle, &FileHandle);\r | |
223 | }\r | |
224 | \r | |
225 | if (!EFI_ERROR (Status)) {\r | |
226 | return LoadDxeCoreFromFfsFile (FileHandle, StackSize);\r | |
3402aac7 RC |
227 | }\r |
228 | \r | |
229 | return Status;\r | |
1e57a462 | 230 | }\r |
231 | \r | |
232 | \r | |
233 | EFI_STATUS\r | |
234 | EFIAPI\r | |
235 | DecompressFirstFv (\r | |
236 | VOID\r | |
237 | )\r | |
238 | {\r | |
239 | EFI_STATUS Status;\r | |
240 | EFI_PEI_FV_HANDLE VolumeHandle;\r | |
241 | EFI_PEI_FILE_HANDLE FileHandle;\r | |
242 | \r | |
243 | Status = FfsAnyFvFindFirstFile (EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE, &VolumeHandle, &FileHandle);\r | |
244 | if (!EFI_ERROR (Status)) {\r | |
245 | Status = FfsProcessFvFile (FileHandle);\r | |
246 | }\r | |
3402aac7 | 247 | \r |
1e57a462 | 248 | return Status;\r |
249 | }\r | |
250 | \r | |
251 | \r |