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a0b7c09f | 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 | |
2ce31132 | 24 | \r |
25 | \r | |
a0b7c09f | 26 | EFI_STATUS\r |
27 | PeiLoadImage (\r | |
28 | IN EFI_PEI_SERVICES **PeiServices,\r | |
29 | IN EFI_FFS_FILE_HEADER *PeimFileHeader,\r | |
30 | OUT VOID **EntryPoint\r | |
31 | )\r | |
32 | /*++\r | |
33 | \r | |
34 | Routine Description:\r | |
35 | \r | |
36 | Routine for loading file image.\r | |
37 | \r | |
38 | Arguments:\r | |
39 | \r | |
40 | PeiServices - The PEI core services table.\r | |
41 | PeimFileHeader - Pointer to the FFS file header of the image.\r | |
42 | EntryPoint - Pointer to entry point of specified image file for output.\r | |
43 | \r | |
44 | Returns:\r | |
45 | \r | |
46 | Status - EFI_SUCCESS - Image is successfully loaded.\r | |
47 | EFI_NOT_FOUND - Fail to locate necessary PPI\r | |
48 | Others - Fail to load file.\r | |
49 | \r | |
50 | --*/\r | |
51 | {\r | |
52 | EFI_STATUS Status;\r | |
53 | VOID *Pe32Data;\r | |
54 | EFI_PEI_FV_FILE_LOADER_PPI *FvLoadFilePpi;\r | |
a0b7c09f | 55 | EFI_PHYSICAL_ADDRESS ImageAddress;\r |
56 | UINT64 ImageSize;\r | |
57 | EFI_PHYSICAL_ADDRESS ImageEntryPoint;\r | |
58 | EFI_TE_IMAGE_HEADER *TEImageHeader;\r | |
59 | \r | |
60 | *EntryPoint = NULL;\r | |
61 | TEImageHeader = NULL;\r | |
62 | \r | |
63 | //\r | |
64 | // Try to find a PE32 section.\r | |
65 | //\r | |
84a99d48 | 66 | Status = PeiServicesFfsFindSectionData (\r |
a0b7c09f | 67 | EFI_SECTION_PE32,\r |
68 | PeimFileHeader,\r | |
69 | &Pe32Data\r | |
70 | );\r | |
71 | //\r | |
72 | // If we didn't find a PE32 section, try to find a TE section.\r | |
73 | //\r | |
74 | if (EFI_ERROR (Status)) {\r | |
84a99d48 | 75 | Status = PeiServicesFfsFindSectionData (\r |
a0b7c09f | 76 | EFI_SECTION_TE,\r |
77 | PeimFileHeader,\r | |
78 | (VOID **) &TEImageHeader\r | |
79 | );\r | |
80 | if (EFI_ERROR (Status) || TEImageHeader == NULL) {\r | |
81 | //\r | |
82 | // There was not a PE32 or a TE section, so assume that it's a Compressed section\r | |
83 | // and use the LoadFile\r | |
84 | //\r | |
84a99d48 | 85 | Status = PeiServicesLocatePpi (\r |
a0b7c09f | 86 | &gEfiPeiFvFileLoaderPpiGuid,\r |
87 | 0,\r | |
88 | NULL,\r | |
89 | (VOID **)&FvLoadFilePpi\r | |
90 | );\r | |
91 | if (EFI_ERROR (Status)) {\r | |
92 | return EFI_NOT_FOUND;\r | |
93 | }\r | |
94 | \r | |
95 | Status = FvLoadFilePpi->FvLoadFile (\r | |
96 | FvLoadFilePpi,\r | |
97 | PeimFileHeader,\r | |
98 | &ImageAddress,\r | |
99 | &ImageSize,\r | |
100 | &ImageEntryPoint\r | |
101 | );\r | |
102 | \r | |
103 | if (EFI_ERROR (Status)) {\r | |
104 | return EFI_NOT_FOUND;\r | |
105 | }\r | |
106 | \r | |
107 | //\r | |
7c9e5810 | 108 | // Got the entry point from ImageEntryPoint and ImageStartAddress\r |
a0b7c09f | 109 | //\r |
7c9e5810 | 110 | Pe32Data = (VOID *) ((UINTN) ImageAddress);\r |
2d10530b | 111 | *EntryPoint = (VOID *) ((UINTN) ImageEntryPoint);\r |
a0b7c09f | 112 | } else {\r |
113 | //\r | |
114 | // Retrieve the entry point from the TE image header\r | |
115 | //\r | |
116 | ImageAddress = (EFI_PHYSICAL_ADDRESS) (UINTN) TEImageHeader;\r | |
117 | *EntryPoint = (VOID *)((UINTN) TEImageHeader + sizeof (EFI_TE_IMAGE_HEADER) +\r | |
118 | TEImageHeader->AddressOfEntryPoint - TEImageHeader->StrippedSize);\r | |
119 | }\r | |
120 | } else {\r | |
121 | //\r | |
122 | // Retrieve the entry point from the PE/COFF image header\r | |
123 | //\r | |
124 | ImageAddress = (EFI_PHYSICAL_ADDRESS) (UINTN) Pe32Data;\r | |
125 | Status = PeCoffLoaderGetEntryPoint (Pe32Data, EntryPoint);\r | |
126 | if (EFI_ERROR (Status)) {\r | |
127 | return EFI_NOT_FOUND;\r | |
128 | }\r | |
129 | }\r | |
130 | \r | |
131 | //\r | |
132 | // Print debug message: Loading PEIM at 0x12345678 EntryPoint=0x12345688 Driver.efi\r | |
133 | //\r | |
a61513d6 | 134 | DEBUG ((EFI_D_INFO | EFI_D_LOAD, "Loading PEIM at 0x%08x EntryPoint=0x%08x ", (UINTN) ImageAddress, *EntryPoint));\r |
2ce31132 | 135 | DEBUG_CODE_BEGIN ();\r |
ec412251 | 136 | EFI_IMAGE_DATA_DIRECTORY *DirectoryEntry;\r |
137 | EFI_IMAGE_DEBUG_DIRECTORY_ENTRY *DebugEntry;\r | |
138 | UINTN DirCount;\r | |
139 | UINTN Index;\r | |
140 | UINTN Index1;\r | |
141 | BOOLEAN FileNameFound;\r | |
142 | CHAR8 *AsciiString;\r | |
143 | CHAR8 AsciiBuffer[512];\r | |
144 | VOID *CodeViewEntryPointer;\r | |
145 | INTN TEImageAdjust;\r | |
146 | EFI_IMAGE_DOS_HEADER *DosHeader;\r | |
147 | EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION Hdr;\r | |
148 | UINT32 NumberOfRvaAndSizes;\r | |
149 | \r | |
5b18234d | 150 | Hdr.Pe32 = NULL;\r |
151 | if (TEImageHeader == NULL) {\r | |
152 | DosHeader = (EFI_IMAGE_DOS_HEADER *)Pe32Data;\r | |
153 | if (DosHeader->e_magic == EFI_IMAGE_DOS_SIGNATURE) {\r | |
154 | //\r | |
155 | // DOS image header is present, so read the PE header after the DOS image header\r | |
156 | //\r | |
157 | Hdr.Pe32 = (EFI_IMAGE_NT_HEADERS32 *)((UINTN)Pe32Data + (UINTN)((DosHeader->e_lfanew) & 0x0ffff));\r | |
158 | } else {\r | |
159 | //\r | |
160 | // DOS image header is not present, so PE header is at the image base\r | |
161 | //\r | |
162 | Hdr.Pe32 = (EFI_IMAGE_NT_HEADERS32 *)Pe32Data;\r | |
163 | }\r | |
ec412251 | 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 | |
7c9e5810 LG |
174 | DebugEntry = NULL;\r |
175 | DirectoryEntry = NULL;\r | |
176 | NumberOfRvaAndSizes = 0;\r | |
177 | TEImageAdjust = 0;\r | |
178 | \r | |
ec412251 | 179 | if (TEImageHeader == NULL) {\r |
180 | if (Hdr.Pe32->OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r | |
181 | // \r | |
7c9e5810 | 182 | // Use PE32 offset get Debug Directory Entry\r |
ec412251 | 183 | //\r |
184 | NumberOfRvaAndSizes = Hdr.Pe32->OptionalHeader.NumberOfRvaAndSizes;\r | |
185 | DirectoryEntry = (EFI_IMAGE_DATA_DIRECTORY *)&(Hdr.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_DEBUG]);\r | |
7c9e5810 LG |
186 | DebugEntry = (EFI_IMAGE_DEBUG_DIRECTORY_ENTRY *) ((UINTN) Pe32Data + DirectoryEntry->VirtualAddress);\r |
187 | } else if (Hdr.Pe32->OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC) {\r | |
ec412251 | 188 | // \r |
7c9e5810 | 189 | // Use PE32+ offset get Debug Directory Entry\r |
ec412251 | 190 | //\r |
191 | NumberOfRvaAndSizes = Hdr.Pe32Plus->OptionalHeader.NumberOfRvaAndSizes;\r | |
192 | DirectoryEntry = (EFI_IMAGE_DATA_DIRECTORY *)&(Hdr.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_DEBUG]);\r | |
7c9e5810 LG |
193 | DebugEntry = (EFI_IMAGE_DEBUG_DIRECTORY_ENTRY *) ((UINTN) Pe32Data + DirectoryEntry->VirtualAddress);\r |
194 | }\r | |
ec412251 | 195 | \r |
196 | if (NumberOfRvaAndSizes <= EFI_IMAGE_DIRECTORY_ENTRY_DEBUG) {\r | |
197 | DirectoryEntry = NULL;\r | |
198 | DebugEntry = NULL;\r | |
199 | }\r | |
200 | } else {\r | |
201 | if (TEImageHeader->DataDirectory[EFI_TE_IMAGE_DIRECTORY_ENTRY_DEBUG].VirtualAddress != 0) {\r | |
202 | DirectoryEntry = &TEImageHeader->DataDirectory[EFI_TE_IMAGE_DIRECTORY_ENTRY_DEBUG];\r | |
203 | TEImageAdjust = sizeof (EFI_TE_IMAGE_HEADER) - TEImageHeader->StrippedSize;\r | |
204 | DebugEntry = (EFI_IMAGE_DEBUG_DIRECTORY_ENTRY *)((UINTN) TEImageHeader +\r | |
205 | TEImageHeader->DataDirectory[EFI_TE_IMAGE_DIRECTORY_ENTRY_DEBUG].VirtualAddress +\r | |
206 | TEImageAdjust);\r | |
a0b7c09f | 207 | }\r |
208 | }\r | |
2ce31132 | 209 | \r |
ec412251 | 210 | if (DebugEntry != NULL && DirectoryEntry != NULL) {\r |
211 | for (DirCount = 0; DirCount < DirectoryEntry->Size; DirCount++, DebugEntry++) {\r | |
212 | if (DebugEntry->Type == EFI_IMAGE_DEBUG_TYPE_CODEVIEW) {\r | |
213 | if (DebugEntry->SizeOfData > 0) {\r | |
214 | CodeViewEntryPointer = (VOID *) ((UINTN) DebugEntry->RVA + (UINTN) ImageAddress + (UINTN)TEImageAdjust);\r | |
215 | switch (* (UINT32 *) CodeViewEntryPointer) {\r | |
216 | case CODEVIEW_SIGNATURE_NB10:\r | |
217 | AsciiString = (CHAR8 *)CodeViewEntryPointer + sizeof (EFI_IMAGE_DEBUG_CODEVIEW_NB10_ENTRY);\r | |
218 | break;\r | |
219 | \r | |
220 | case CODEVIEW_SIGNATURE_RSDS:\r | |
221 | AsciiString = (CHAR8 *)CodeViewEntryPointer + sizeof (EFI_IMAGE_DEBUG_CODEVIEW_RSDS_ENTRY);\r | |
222 | break;\r | |
223 | \r | |
224 | default:\r | |
225 | AsciiString = NULL;\r | |
226 | break;\r | |
227 | }\r | |
228 | if (AsciiString != NULL) {\r | |
229 | FileNameFound = FALSE;\r | |
230 | for (Index = 0, Index1 = 0; (AsciiString[Index] != 0) && (Index < sizeof (AsciiString)); Index++) {\r | |
231 | if (AsciiString[Index] == '\\') {\r | |
232 | Index1 = Index;\r | |
233 | FileNameFound = TRUE;\r | |
234 | }\r | |
235 | }\r | |
236 | \r | |
237 | if (FileNameFound) {\r | |
238 | for (Index = Index1 + 1; AsciiString[Index] != '.'; Index++) {\r | |
239 | AsciiBuffer[Index - (Index1 + 1)] = AsciiString[Index];\r | |
240 | }\r | |
241 | AsciiBuffer[Index - (Index1 + 1)] = 0;\r | |
242 | DEBUG ((EFI_D_INFO | EFI_D_LOAD, "%a.efi", AsciiBuffer));\r | |
243 | break;\r | |
244 | }\r | |
245 | }\r | |
246 | }\r | |
247 | }\r | |
248 | }\r | |
249 | }\r | |
2ce31132 | 250 | DEBUG_CODE_END ();\r |
a0b7c09f | 251 | \r |
252 | DEBUG ((EFI_D_INFO | EFI_D_LOAD, "\n"));\r | |
253 | \r | |
254 | return EFI_SUCCESS;\r | |
255 | }\r |