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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 | |
2d10530b | 108 | // Got the entry point from ImageEntryPoint\r |
a0b7c09f | 109 | //\r |
2d10530b LG |
110 | *EntryPoint = (VOID *) ((UINTN) ImageEntryPoint);\r |
111 | return EFI_SUCCESS;\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 | |
134 | DEBUG ((EFI_D_INFO | EFI_D_LOAD, "Loading PEIM at 0x%08x EntryPoint=0x%08x ", Pe32Data, *EntryPoint));\r | |
2ce31132 | 135 | DEBUG_CODE_BEGIN ();\r |
136 | PE_COFF_LOADER_IMAGE_CONTEXT ImageContext;\r | |
137 | UINTN Index;\r | |
138 | CHAR8 *PdbStr;\r | |
139 | CHAR8 AsciiBuffer[512];\r | |
a0b7c09f | 140 | \r |
a0b7c09f | 141 | \r |
2ce31132 | 142 | ZeroMem (&ImageContext, sizeof (ImageContext));\r |
143 | ImageContext.Handle = Pe32Data;\r | |
144 | ImageContext.ImageRead = PeCoffLoaderImageReadFromMemory;\r | |
a0b7c09f | 145 | \r |
2ce31132 | 146 | PeCoffLoaderGetImageInfo (&ImageContext);\r |
147 | \r | |
148 | if (ImageContext.PdbPointer != NULL) {\r | |
149 | //\r | |
150 | // Copy PDB pointer to AsciiBuffer and replace .PDB with .EFI\r | |
151 | //\r | |
152 | PdbStr = ImageContext.PdbPointer;\r | |
153 | for (Index = 0; PdbStr != 0; Index++, PdbStr++) {\r | |
154 | AsciiBuffer[Index] = *PdbStr;\r | |
155 | if (*PdbStr == '.') {\r | |
156 | AsciiBuffer[Index] = '\0'; \r | |
a0b7c09f | 157 | }\r |
158 | }\r | |
2ce31132 | 159 | \r |
160 | DEBUG ((EFI_D_INFO | EFI_D_LOAD, "%a.efi", AsciiBuffer));\r | |
a0b7c09f | 161 | }\r |
2ce31132 | 162 | \r |
163 | DEBUG_CODE_END ();\r | |
a0b7c09f | 164 | \r |
165 | DEBUG ((EFI_D_INFO | EFI_D_LOAD, "\n"));\r | |
166 | \r | |
167 | return EFI_SUCCESS;\r | |
168 | }\r |