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878ddf1f | 1 | /*++\r |
2 | \r | |
3 | Copyright (c) 2006, Intel Corporation \r | |
4 | All rights reserved. This program and the accompanying materials \r | |
5 | are licensed and made available under the terms and conditions of the BSD License \r | |
6 | which accompanies this distribution. The full text of the license may be found at \r | |
7 | http://opensource.org/licenses/bsd-license.php \r | |
8 | \r | |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
11 | \r | |
12 | Module Name:\r | |
13 | \r | |
14 | Image.c\r | |
15 | \r | |
16 | Abstract:\r | |
17 | \r | |
18 | Pei Core Load Image Support\r | |
19 | \r | |
20 | --*/\r | |
21 | \r | |
22 | #include <PeiMain.h>\r | |
23 | \r | |
24 | EFI_STATUS\r | |
25 | PeiLoadImage (\r | |
26 | IN EFI_PEI_SERVICES **PeiServices,\r | |
27 | IN EFI_FFS_FILE_HEADER *PeimFileHeader,\r | |
28 | OUT VOID **EntryPoint\r | |
29 | )\r | |
30 | /*++\r | |
31 | \r | |
32 | Routine Description:\r | |
33 | \r | |
34 | Routine for loading file image.\r | |
35 | \r | |
36 | Arguments:\r | |
37 | \r | |
38 | PeiServices - The PEI core services table.\r | |
39 | PeimFileHeader - Pointer to the FFS file header of the image.\r | |
40 | EntryPoint - Pointer to entry point of specified image file for output.\r | |
41 | \r | |
42 | Returns:\r | |
43 | \r | |
44 | Status - EFI_SUCCESS - Image is successfully loaded.\r | |
45 | EFI_NOT_FOUND - Fail to locate necessary PPI\r | |
46 | Others - Fail to load file.\r | |
47 | \r | |
48 | --*/\r | |
49 | {\r | |
50 | EFI_STATUS Status;\r | |
51 | VOID *Pe32Data;\r | |
52 | EFI_PEI_FV_FILE_LOADER_PPI *FvLoadFilePpi;\r | |
53 | //#ifdef EFI_NT_EMULATOR\r | |
54 | // EFI_PEI_PPI_DESCRIPTOR *PpiDescriptor;\r | |
55 | // NT_PEI_LOAD_FILE_PPI *PeiNtService;\r | |
56 | //#endif\r | |
57 | EFI_PHYSICAL_ADDRESS ImageAddress;\r | |
58 | UINT64 ImageSize;\r | |
59 | EFI_PHYSICAL_ADDRESS ImageEntryPoint;\r | |
60 | EFI_TE_IMAGE_HEADER *TEImageHeader;\r | |
61 | \r | |
62 | *EntryPoint = NULL;\r | |
63 | TEImageHeader = NULL;\r | |
64 | \r | |
65 | //\r | |
66 | // Try to find a PE32 section.\r | |
67 | //\r | |
68 | Status = PeiCoreFfsFindSectionData (\r | |
69 | EFI_SECTION_PE32,\r | |
70 | PeimFileHeader,\r | |
71 | &Pe32Data\r | |
72 | );\r | |
73 | //\r | |
74 | // If we didn't find a PE32 section, try to find a TE section.\r | |
75 | //\r | |
76 | if (EFI_ERROR (Status)) {\r | |
77 | Status = PeiCoreFfsFindSectionData (\r | |
78 | EFI_SECTION_TE,\r | |
79 | PeimFileHeader,\r | |
80 | (VOID **) &TEImageHeader\r | |
81 | );\r | |
82 | if (EFI_ERROR (Status) || TEImageHeader == NULL) {\r | |
83 | //\r | |
84 | // There was not a PE32 or a TE section, so assume that it's a Compressed section\r | |
85 | // and use the LoadFile\r | |
86 | //\r | |
87 | Status = PeiCoreLocatePpi (\r | |
88 | &gEfiPeiFvFileLoaderPpiGuid,\r | |
89 | 0,\r | |
90 | NULL,\r | |
91 | (VOID **)&FvLoadFilePpi\r | |
92 | );\r | |
93 | if (EFI_ERROR (Status)) {\r | |
94 | return EFI_NOT_FOUND;\r | |
95 | }\r | |
96 | \r | |
97 | Status = FvLoadFilePpi->FvLoadFile (\r | |
98 | FvLoadFilePpi,\r | |
99 | PeimFileHeader,\r | |
100 | &ImageAddress,\r | |
101 | &ImageSize,\r | |
102 | &ImageEntryPoint\r | |
103 | );\r | |
104 | \r | |
105 | if (EFI_ERROR (Status)) {\r | |
106 | return EFI_NOT_FOUND;\r | |
107 | }\r | |
108 | \r | |
109 | //\r | |
110 | // Retrieve the entry point from the PE/COFF image header\r | |
111 | //\r | |
112 | Status = PeCoffLoaderGetEntryPoint ((VOID *)(UINTN)ImageAddress, EntryPoint);\r | |
113 | if (EFI_ERROR (Status)) {\r | |
114 | return EFI_NOT_FOUND;\r | |
115 | }\r | |
116 | } else {\r | |
117 | //\r | |
118 | // Retrieve the entry point from the TE image header\r | |
119 | //\r | |
120 | ImageAddress = (EFI_PHYSICAL_ADDRESS) (UINTN) TEImageHeader;\r | |
121 | *EntryPoint = (VOID *)((UINTN) TEImageHeader + sizeof (EFI_TE_IMAGE_HEADER) +\r | |
122 | TEImageHeader->AddressOfEntryPoint - TEImageHeader->StrippedSize);\r | |
123 | }\r | |
124 | } else {\r | |
125 | //\r | |
126 | // Retrieve the entry point from the PE/COFF image header\r | |
127 | //\r | |
128 | ImageAddress = (EFI_PHYSICAL_ADDRESS) (UINTN) Pe32Data;\r | |
129 | Status = PeCoffLoaderGetEntryPoint (Pe32Data, EntryPoint);\r | |
130 | if (EFI_ERROR (Status)) {\r | |
131 | return EFI_NOT_FOUND;\r | |
132 | }\r | |
133 | }\r | |
134 | \r | |
135 | //\r | |
136 | // Print debug message: Loading PEIM at 0x12345678 EntryPoint=0x12345688 Driver.efi\r | |
137 | //\r | |
138 | DEBUG ((EFI_D_INFO | EFI_D_LOAD, "Loading PEIM at 0x%08x EntryPoint=0x%08x ", Pe32Data, *EntryPoint));\r | |
139 | DEBUG_CODE (\r | |
140 | EFI_IMAGE_DATA_DIRECTORY * DirectoryEntry;\r | |
141 | EFI_IMAGE_DEBUG_DIRECTORY_ENTRY * DebugEntry;\r | |
142 | UINTN DirCount;\r | |
143 | UINTN Index;\r | |
144 | UINTN Index1;\r | |
145 | BOOLEAN FileNameFound;\r | |
146 | CHAR8 *AsciiString;\r | |
147 | CHAR8 AsciiBuffer[512];\r | |
148 | VOID *CodeViewEntryPointer;\r | |
149 | INTN TEImageAdjust;\r | |
150 | EFI_IMAGE_DOS_HEADER *DosHeader;\r | |
151 | EFI_IMAGE_NT_HEADERS *PeHeader;\r | |
152 | \r | |
153 | DosHeader = (EFI_IMAGE_DOS_HEADER *)Pe32Data;\r | |
154 | if (DosHeader->e_magic == EFI_IMAGE_DOS_SIGNATURE) {\r | |
155 | //\r | |
156 | // DOS image header is present, so read the PE header after the DOS image header\r | |
157 | //\r | |
158 | PeHeader = (EFI_IMAGE_NT_HEADERS *) ((UINTN) Pe32Data + (UINTN) ((DosHeader->e_lfanew) & 0x0ffff));\r | |
159 | } else {\r | |
160 | //\r | |
161 | // DOS image header is not present, so PE header is at the image base\r | |
162 | //\r | |
163 | PeHeader = (EFI_IMAGE_NT_HEADERS *) Pe32Data;\r | |
164 | }\r | |
165 | \r | |
166 | //\r | |
167 | // Find the codeview info in the image and display the file name\r | |
168 | // being loaded.\r | |
169 | //\r | |
170 | // Per the PE/COFF spec, you can't assume that a given data directory\r | |
171 | // is present in the image. You have to check the NumberOfRvaAndSizes in\r | |
172 | // the optional header to verify a desired directory entry is there.\r | |
173 | //\r | |
174 | DebugEntry = NULL;\r | |
175 | DirectoryEntry = NULL;\r | |
176 | TEImageAdjust = 0;\r | |
177 | if (TEImageHeader == NULL) {\r | |
178 | if (PeHeader->OptionalHeader.NumberOfRvaAndSizes > EFI_IMAGE_DIRECTORY_ENTRY_DEBUG) {\r | |
179 | DirectoryEntry = (EFI_IMAGE_DATA_DIRECTORY *) &(PeHeader->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_DEBUG]);\r | |
180 | DebugEntry = (EFI_IMAGE_DEBUG_DIRECTORY_ENTRY *) ((UINTN) ImageAddress + DirectoryEntry->VirtualAddress);\r | |
181 | }\r | |
182 | } else {\r | |
183 | if (TEImageHeader->DataDirectory[EFI_TE_IMAGE_DIRECTORY_ENTRY_DEBUG].VirtualAddress != 0) {\r | |
184 | DirectoryEntry = &TEImageHeader->DataDirectory[EFI_TE_IMAGE_DIRECTORY_ENTRY_DEBUG];\r | |
185 | TEImageAdjust = sizeof (EFI_TE_IMAGE_HEADER) - TEImageHeader->StrippedSize;\r | |
186 | DebugEntry = (EFI_IMAGE_DEBUG_DIRECTORY_ENTRY *)((UINTN) TEImageHeader +\r | |
187 | TEImageHeader->DataDirectory[EFI_TE_IMAGE_DIRECTORY_ENTRY_DEBUG].VirtualAddress +\r | |
188 | TEImageAdjust);\r | |
189 | }\r | |
190 | }\r | |
191 | \r | |
192 | if (DebugEntry != NULL && DirectoryEntry != NULL) {\r | |
193 | for (DirCount = 0; DirCount < DirectoryEntry->Size; DirCount++, DebugEntry++) {\r | |
194 | if (DebugEntry->Type == EFI_IMAGE_DEBUG_TYPE_CODEVIEW) {\r | |
195 | if (DebugEntry->SizeOfData > 0) {\r | |
196 | CodeViewEntryPointer = (VOID *) ((UINTN) DebugEntry->RVA + (UINTN) ImageAddress + (UINTN)TEImageAdjust);\r | |
197 | switch (* (UINT32 *) CodeViewEntryPointer) {\r | |
198 | case CODEVIEW_SIGNATURE_NB10:\r | |
199 | AsciiString = (CHAR8 *) CodeViewEntryPointer + sizeof (EFI_IMAGE_DEBUG_CODEVIEW_NB10_ENTRY);\r | |
200 | break;\r | |
201 | \r | |
202 | case CODEVIEW_SIGNATURE_RSDS:\r | |
203 | AsciiString = (CHAR8 *) CodeViewEntryPointer + sizeof (EFI_IMAGE_DEBUG_CODEVIEW_RSDS_ENTRY);\r | |
204 | break;\r | |
205 | \r | |
206 | default:\r | |
207 | AsciiString = NULL;\r | |
208 | break;\r | |
209 | }\r | |
210 | if (AsciiString != NULL) {\r | |
211 | FileNameFound = FALSE;\r | |
212 | for (Index = 0, Index1 = 0; AsciiString[Index] != 0; Index++) {\r | |
213 | if (AsciiString[Index] == '\\') {\r | |
214 | Index1 = Index;\r | |
215 | FileNameFound = TRUE;\r | |
216 | }\r | |
217 | }\r | |
218 | \r | |
219 | if (FileNameFound) {\r | |
220 | for (Index = Index1 + 1; AsciiString[Index] != '.'; Index++) {\r | |
221 | AsciiBuffer[Index - (Index1 + 1)] = AsciiString[Index];\r | |
222 | }\r | |
223 | AsciiBuffer[Index - (Index1 + 1)] = 0;\r | |
224 | DEBUG ((EFI_D_INFO | EFI_D_LOAD, "%a.efi", AsciiBuffer));\r | |
225 | break;\r | |
226 | }\r | |
227 | }\r | |
228 | }\r | |
229 | }\r | |
230 | }\r | |
231 | }\r | |
232 | );\r | |
233 | \r | |
234 | DEBUG ((EFI_D_INFO | EFI_D_LOAD, "\n"));\r | |
235 | \r | |
236 | return EFI_SUCCESS;\r | |
237 | }\r |