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9071550e | 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 | EfiLoader.c\r | |
14 | \r | |
15 | Abstract:\r | |
16 | \r | |
17 | Revision History:\r | |
18 | \r | |
19 | --*/\r | |
20 | \r | |
21 | #include "EfiLdr.h"\r | |
22 | #include "Support.h"\r | |
23 | #include "Debug.h"\r | |
24 | #include "PeLoader.h"\r | |
3da85e63 | 25 | #include "TianoDecompress.h"\r |
26 | \r | |
27 | STATIC\r | |
28 | VOID\r | |
29 | SystemHang(\r | |
30 | VOID\r | |
31 | )\r | |
32 | {\r | |
33 | CHAR8 PrintBuffer[256];\r | |
34 | AsciiSPrint (PrintBuffer, 256, "## FATEL ERROR ##: Fail to load DUET images! System hang!\n");\r | |
35 | CpuDeadLoop();\r | |
36 | }\r | |
9071550e | 37 | \r |
38 | VOID\r | |
39 | EfiLoader (\r | |
40 | UINT32 BiosMemoryMapBaseAddress\r | |
41 | )\r | |
42 | {\r | |
43 | BIOS_MEMORY_MAP *BiosMemoryMap; \r | |
44 | EFILDR_HEADER *EFILDRHeader;\r | |
45 | EFILDR_IMAGE *EFILDRImage;\r | |
46 | EFI_MEMORY_DESCRIPTOR EfiMemoryDescriptor[EFI_MAX_MEMORY_DESCRIPTORS];\r | |
47 | EFI_STATUS Status;\r | |
48 | UINTN NumberOfMemoryMapEntries;\r | |
49 | UINT32 DestinationSize;\r | |
50 | UINT32 ScratchSize;\r | |
51 | UINTN BfvPageNumber;\r | |
52 | UINTN BfvBase;\r | |
53 | EFI_MAIN_ENTRYPOINT EfiMainEntrypoint;\r | |
3da85e63 | 54 | CHAR8 PrintBuffer[256];\r |
9071550e | 55 | static EFILDRHANDOFF Handoff;\r |
56 | \r | |
9071550e | 57 | ClearScreen();\r |
3da85e63 | 58 | \r |
59 | PrintHeader ('A');\r | |
9071550e | 60 | \r |
3da85e63 | 61 | AsciiSPrint (PrintBuffer, 256, "Enter DUET Loader ...\n", BiosMemoryMapBaseAddress);\r |
62 | PrintString (PrintBuffer);\r | |
63 | \r | |
64 | AsciiSPrint (PrintBuffer, 256, "BiosMemoryMapBaseAddress = 0x%x\n", BiosMemoryMapBaseAddress);\r | |
65 | PrintString (PrintBuffer);\r | |
9071550e | 66 | \r |
67 | //\r | |
68 | // Add all EfiConventionalMemory descriptors to the table. If there are partial pages, then\r | |
69 | // round the start address up to the next page, and round the length down to a page boundry.\r | |
70 | //\r | |
71 | BiosMemoryMap = (BIOS_MEMORY_MAP *)(UINTN)(BiosMemoryMapBaseAddress);\r | |
72 | NumberOfMemoryMapEntries = 0;\r | |
73 | GenMemoryMap (&NumberOfMemoryMapEntries, EfiMemoryDescriptor, BiosMemoryMap);\r | |
74 | \r | |
3da85e63 | 75 | AsciiSPrint (PrintBuffer, 256, "Get %d entries of memory map!\n", NumberOfMemoryMapEntries);\r |
76 | PrintString (PrintBuffer);\r | |
77 | \r | |
9071550e | 78 | //\r |
79 | // Get information on where the image is in memory\r | |
80 | //\r | |
81 | \r | |
82 | EFILDRHeader = (EFILDR_HEADER *)(UINTN)(EFILDR_HEADER_ADDRESS);\r | |
83 | EFILDRImage = (EFILDR_IMAGE *)(UINTN)(EFILDR_HEADER_ADDRESS + sizeof(EFILDR_HEADER));\r | |
84 | \r | |
9071550e | 85 | \r |
86 | //\r | |
87 | // Point to the 4th image (Bfv)\r | |
88 | //\r | |
89 | \r | |
90 | EFILDRImage += 3;\r | |
91 | \r | |
92 | //\r | |
93 | // Decompress the image\r | |
94 | //\r | |
95 | \r | |
3da85e63 | 96 | AsciiSPrint (PrintBuffer, 256, "Decompress BFV image, Image Address=0x%x! Offset=0x%x\n", \r |
97 | (UINTN)(EFILDR_HEADER_ADDRESS + EFILDRImage->Offset),\r | |
98 | EFILDRImage->Offset);\r | |
99 | PrintString (PrintBuffer);\r | |
100 | \r | |
101 | Status = TianoGetInfo (\r | |
9071550e | 102 | (VOID *)(UINTN)(EFILDR_HEADER_ADDRESS + EFILDRImage->Offset),\r |
103 | EFILDRImage->Length,\r | |
104 | &DestinationSize, \r | |
105 | &ScratchSize\r | |
106 | );\r | |
3da85e63 | 107 | \r |
9071550e | 108 | if (EFI_ERROR (Status)) {\r |
3da85e63 | 109 | AsciiSPrint (PrintBuffer, 256, "Fail to get decompress information for BFV!\n");\r |
110 | PrintString (PrintBuffer);\r | |
111 | SystemHang();\r | |
9071550e | 112 | }\r |
113 | \r | |
114 | Status = TianoDecompress (\r | |
9071550e | 115 | (VOID *)(UINTN)(EFILDR_HEADER_ADDRESS + EFILDRImage->Offset),\r |
116 | EFILDRImage->Length,\r | |
117 | (VOID *)(UINTN)EFI_DECOMPRESSED_BUFFER_ADDRESS,\r | |
118 | DestinationSize, \r | |
119 | (VOID *)(UINTN)((EFI_DECOMPRESSED_BUFFER_ADDRESS + DestinationSize + 0x1000) & 0xfffff000),\r | |
120 | ScratchSize\r | |
121 | );\r | |
3da85e63 | 122 | \r |
9071550e | 123 | if (EFI_ERROR (Status)) {\r |
3da85e63 | 124 | AsciiSPrint (PrintBuffer, 256, "Fail to decompress BFV!\n");\r |
125 | PrintString (PrintBuffer);\r | |
126 | SystemHang();\r | |
9071550e | 127 | }\r |
128 | \r | |
129 | BfvPageNumber = EFI_SIZE_TO_PAGES (DestinationSize);\r | |
130 | BfvBase = (UINTN) FindSpace (BfvPageNumber, &NumberOfMemoryMapEntries, EfiMemoryDescriptor, EfiRuntimeServicesData, EFI_MEMORY_WB);\r | |
131 | if (BfvBase == 0) {\r | |
3da85e63 | 132 | SystemHang();\r |
9071550e | 133 | }\r |
134 | ZeroMem ((VOID *)(UINTN)BfvBase, BfvPageNumber * EFI_PAGE_SIZE);\r | |
135 | CopyMem ((VOID *)(UINTN)BfvBase, (VOID *)(UINTN)EFI_DECOMPRESSED_BUFFER_ADDRESS, DestinationSize);\r | |
136 | \r | |
3da85e63 | 137 | PrintHeader ('B');\r |
9071550e | 138 | \r |
139 | //\r | |
140 | // Point to the 2nd image (DxeIpl)\r | |
141 | //\r | |
142 | \r | |
143 | EFILDRImage -= 2;\r | |
144 | \r | |
145 | //\r | |
146 | // Decompress the image\r | |
147 | //\r | |
3da85e63 | 148 | AsciiSPrint (PrintBuffer, 256, "Decompress DxeIpl image, Image Address=0x%x! Offset=0x%x\n", \r |
149 | (UINTN)(EFILDR_HEADER_ADDRESS + EFILDRImage->Offset),\r | |
150 | EFILDRImage->Offset);\r | |
9071550e | 151 | \r |
3da85e63 | 152 | Status = TianoGetInfo (\r |
9071550e | 153 | (VOID *)(UINTN)(EFILDR_HEADER_ADDRESS + EFILDRImage->Offset),\r |
154 | EFILDRImage->Length,\r | |
155 | &DestinationSize, \r | |
156 | &ScratchSize\r | |
157 | );\r | |
158 | if (EFI_ERROR (Status)) {\r | |
3da85e63 | 159 | AsciiSPrint (PrintBuffer, 256, "Fail to get decompress information for DxeIpl!\n");\r |
160 | PrintString (PrintBuffer);\r | |
161 | SystemHang();\r | |
9071550e | 162 | }\r |
163 | \r | |
164 | Status = TianoDecompress (\r | |
9071550e | 165 | (VOID *)(UINTN)(EFILDR_HEADER_ADDRESS + EFILDRImage->Offset),\r |
166 | EFILDRImage->Length,\r | |
167 | (VOID *)(UINTN)EFI_DECOMPRESSED_BUFFER_ADDRESS,\r | |
168 | DestinationSize, \r | |
169 | (VOID *)(UINTN)((EFI_DECOMPRESSED_BUFFER_ADDRESS + DestinationSize + 0x1000) & 0xfffff000),\r | |
170 | ScratchSize\r | |
171 | );\r | |
172 | if (EFI_ERROR (Status)) {\r | |
3da85e63 | 173 | AsciiSPrint (PrintBuffer, 256, "Fail to decompress DxeIpl image\n");\r |
174 | PrintString (PrintBuffer);\r | |
175 | SystemHang();\r | |
9071550e | 176 | }\r |
177 | \r | |
3da85e63 | 178 | AsciiSPrint (PrintBuffer, 256, "Start load DxeIpl PE image\n");\r |
179 | PrintString (PrintBuffer); \r | |
180 | \r | |
9071550e | 181 | //\r |
182 | // Load and relocate the EFI PE/COFF Firmware Image \r | |
183 | //\r | |
184 | Status = EfiLdrPeCoffLoadPeImage (\r | |
185 | (VOID *)(UINTN)(EFI_DECOMPRESSED_BUFFER_ADDRESS), \r | |
186 | &DxeIplImage, \r | |
187 | &NumberOfMemoryMapEntries, \r | |
188 | EfiMemoryDescriptor\r | |
189 | );\r | |
190 | if (EFI_ERROR (Status)) {\r | |
3da85e63 | 191 | AsciiSPrint (PrintBuffer, 256, "Fail to load and relocate DxeIpl PE image!\n");\r |
192 | PrintString (PrintBuffer);\r | |
193 | SystemHang();\r | |
9071550e | 194 | }\r |
195 | \r | |
196 | // PrintString("Image.NoPages = "); \r | |
197 | // PrintValue(Image.NoPages);\r | |
198 | // PrintString("\n");\r | |
199 | \r | |
200 | PrintHeader ('C');\r | |
201 | \r | |
202 | //\r | |
203 | // Point to the 3rd image (DxeMain)\r | |
204 | //\r | |
205 | \r | |
206 | EFILDRImage++;\r | |
207 | \r | |
208 | //\r | |
209 | // Decompress the image\r | |
210 | //\r | |
211 | \r | |
3da85e63 | 212 | Status = TianoGetInfo (\r |
9071550e | 213 | (VOID *)(UINTN)(EFILDR_HEADER_ADDRESS + EFILDRImage->Offset),\r |
214 | EFILDRImage->Length,\r | |
215 | &DestinationSize, \r | |
216 | &ScratchSize\r | |
217 | );\r | |
218 | if (EFI_ERROR (Status)) {\r | |
3da85e63 | 219 | SystemHang();\r |
9071550e | 220 | }\r |
221 | \r | |
222 | Status = TianoDecompress (\r | |
9071550e | 223 | (VOID *)(UINTN)(EFILDR_HEADER_ADDRESS + EFILDRImage->Offset),\r |
224 | EFILDRImage->Length,\r | |
225 | (VOID *)(UINTN)EFI_DECOMPRESSED_BUFFER_ADDRESS,\r | |
226 | DestinationSize, \r | |
227 | (VOID *)(UINTN)((EFI_DECOMPRESSED_BUFFER_ADDRESS + DestinationSize + 0x1000) & 0xfffff000),\r | |
228 | ScratchSize\r | |
229 | );\r | |
230 | if (EFI_ERROR (Status)) {\r | |
3da85e63 | 231 | SystemHang();\r |
9071550e | 232 | }\r |
233 | \r | |
234 | //\r | |
235 | // Load and relocate the EFI PE/COFF Firmware Image \r | |
236 | //\r | |
237 | Status = EfiLdrPeCoffLoadPeImage (\r | |
238 | (VOID *)(UINTN)(EFI_DECOMPRESSED_BUFFER_ADDRESS), \r | |
239 | &DxeCoreImage, \r | |
240 | &NumberOfMemoryMapEntries, \r | |
241 | EfiMemoryDescriptor\r | |
242 | );\r | |
243 | if (EFI_ERROR (Status)) {\r | |
3da85e63 | 244 | SystemHang();\r |
9071550e | 245 | }\r |
246 | \r | |
247 | PrintHeader ('E');\r | |
248 | \r | |
249 | //\r | |
250 | // Display the table of memory descriptors.\r | |
251 | //\r | |
252 | \r | |
253 | // PrintString("\nEFI Memory Descriptors\n"); \r | |
254 | /*\r | |
255 | {\r | |
256 | UINTN Index;\r | |
257 | for (Index = 0; Index < NumberOfMemoryMapEntries; Index++) {\r | |
258 | PrintString("Type = "); \r | |
259 | PrintValue(EfiMemoryDescriptor[Index].Type);\r | |
260 | PrintString(" Start = "); \r | |
261 | PrintValue((UINT32)(EfiMemoryDescriptor[Index].PhysicalStart));\r | |
262 | PrintString(" NumberOfPages = "); \r | |
263 | PrintValue((UINT32)(EfiMemoryDescriptor[Index].NumberOfPages));\r | |
264 | PrintString("\n");\r | |
265 | }\r | |
266 | }\r | |
267 | */\r | |
268 | \r | |
269 | //\r | |
270 | // Jump to EFI Firmware\r | |
271 | //\r | |
272 | \r | |
273 | if (DxeIplImage.EntryPoint != NULL) {\r | |
274 | \r | |
275 | Handoff.MemDescCount = NumberOfMemoryMapEntries;\r | |
276 | Handoff.MemDesc = EfiMemoryDescriptor;\r | |
277 | Handoff.BfvBase = (VOID *)(UINTN)BfvBase;\r | |
278 | Handoff.BfvSize = BfvPageNumber * EFI_PAGE_SIZE;\r | |
279 | Handoff.DxeIplImageBase = (VOID *)(UINTN)DxeIplImage.ImageBasePage;\r | |
280 | Handoff.DxeIplImageSize = DxeIplImage.NoPages * EFI_PAGE_SIZE;\r | |
281 | Handoff.DxeCoreImageBase = (VOID *)(UINTN)DxeCoreImage.ImageBasePage;\r | |
282 | Handoff.DxeCoreImageSize = DxeCoreImage.NoPages * EFI_PAGE_SIZE;\r | |
283 | Handoff.DxeCoreEntryPoint = (VOID *)(UINTN)DxeCoreImage.EntryPoint;\r | |
284 | \r | |
285 | EfiMainEntrypoint = (EFI_MAIN_ENTRYPOINT)(UINTN)DxeIplImage.EntryPoint;\r | |
286 | EfiMainEntrypoint (&Handoff);\r | |
287 | }\r | |
288 | \r | |
289 | PrintHeader ('F');\r | |
290 | \r | |
291 | //\r | |
292 | // There was a problem loading the image, so HALT the system.\r | |
293 | //\r | |
294 | \r | |
3da85e63 | 295 | SystemHang();\r |
9071550e | 296 | }\r |
297 | \r |