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1e57a462 | 1 | /** @file\r |
2 | *\r | |
c0b2e477 | 3 | * Copyright (c) 2011-2013, ARM Limited. All rights reserved.\r |
1e57a462 | 4 | *\r |
c0b2e477 | 5 | * This program and the accompanying materials\r |
6 | * are licensed and made available under the terms and conditions of the BSD License\r | |
7 | * which accompanies this distribution. The full text of the license may be found at\r | |
8 | * http://opensource.org/licenses/bsd-license.php\r | |
9 | *\r | |
10 | * THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | * WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
1e57a462 | 12 | *\r |
13 | **/\r | |
14 | \r | |
15 | #include "LinuxInternal.h"\r | |
16 | \r | |
17 | #define DEFAULT_BOOT_ENTRY_DESCRIPTION L"Linux"\r | |
18 | #define MAX_STR_INPUT 300\r | |
19 | #define MAX_ASCII_INPUT 300\r | |
20 | \r | |
21 | typedef enum {\r | |
22 | LINUX_LOADER_NEW = 1,\r | |
23 | LINUX_LOADER_UPDATE\r | |
24 | } LINUX_LOADER_ACTION;\r | |
25 | \r | |
26 | STATIC\r | |
27 | EFI_STATUS\r | |
28 | EditHIInputStr (\r | |
29 | IN OUT CHAR16 *CmdLine,\r | |
30 | IN UINTN MaxCmdLine\r | |
31 | )\r | |
32 | {\r | |
33 | UINTN CmdLineIndex;\r | |
34 | UINTN WaitIndex;\r | |
35 | CHAR8 Char;\r | |
36 | EFI_INPUT_KEY Key;\r | |
37 | EFI_STATUS Status;\r | |
38 | \r | |
39 | Print (CmdLine);\r | |
40 | \r | |
41 | for (CmdLineIndex = StrLen (CmdLine); CmdLineIndex < MaxCmdLine; ) {\r | |
42 | Status = gBS->WaitForEvent (1, &gST->ConIn->WaitForKey, &WaitIndex);\r | |
43 | ASSERT_EFI_ERROR (Status);\r | |
44 | \r | |
45 | Status = gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);\r | |
46 | ASSERT_EFI_ERROR (Status);\r | |
47 | \r | |
48 | // Unicode character is valid when Scancode is NUll\r | |
49 | if (Key.ScanCode == SCAN_NULL) {\r | |
50 | // Scan code is NUll, hence read Unicode character\r | |
51 | Char = (CHAR8)Key.UnicodeChar;\r | |
52 | } else {\r | |
53 | Char = CHAR_NULL;\r | |
54 | }\r | |
55 | \r | |
56 | if ((Char == CHAR_LINEFEED) || (Char == CHAR_CARRIAGE_RETURN) || (Char == 0x7f)) {\r | |
57 | CmdLine[CmdLineIndex] = '\0';\r | |
58 | Print (L"\n\r");\r | |
59 | \r | |
60 | return EFI_SUCCESS;\r | |
61 | } else if ((Key.UnicodeChar == L'\b') || (Key.ScanCode == SCAN_LEFT) || (Key.ScanCode == SCAN_DELETE)){\r | |
62 | if (CmdLineIndex != 0) {\r | |
63 | CmdLineIndex--;\r | |
64 | Print (L"\b \b");\r | |
65 | }\r | |
66 | } else if ((Key.ScanCode == SCAN_ESC) || (Char == 0x1B) || (Char == 0x0)) {\r | |
67 | return EFI_INVALID_PARAMETER;\r | |
68 | } else {\r | |
69 | CmdLine[CmdLineIndex++] = Key.UnicodeChar;\r | |
70 | Print (L"%c", Key.UnicodeChar);\r | |
71 | }\r | |
72 | }\r | |
73 | \r | |
74 | return EFI_SUCCESS;\r | |
75 | }\r | |
76 | \r | |
77 | STATIC\r | |
78 | EFI_STATUS\r | |
79 | EditHIInputAscii (\r | |
80 | IN OUT CHAR8 *CmdLine,\r | |
81 | IN UINTN MaxCmdLine\r | |
82 | )\r | |
83 | {\r | |
84 | CHAR16* Str;\r | |
85 | EFI_STATUS Status;\r | |
86 | \r | |
87 | Str = (CHAR16*)AllocatePool (MaxCmdLine * sizeof(CHAR16));\r | |
88 | AsciiStrToUnicodeStr (CmdLine, Str);\r | |
89 | \r | |
90 | Status = EditHIInputStr (Str, MaxCmdLine);\r | |
91 | \r | |
92 | UnicodeStrToAsciiStr (Str, CmdLine);\r | |
93 | FreePool (Str);\r | |
94 | \r | |
95 | return Status;\r | |
96 | }\r | |
97 | \r | |
98 | STATIC\r | |
99 | EFI_STATUS\r | |
100 | GetHIInputInteger (\r | |
101 | OUT UINTN *Integer\r | |
102 | )\r | |
103 | {\r | |
104 | CHAR16 CmdLine[255];\r | |
105 | EFI_STATUS Status;\r | |
106 | \r | |
107 | CmdLine[0] = '\0';\r | |
108 | Status = EditHIInputStr (CmdLine, 255);\r | |
109 | if (!EFI_ERROR(Status)) {\r | |
110 | *Integer = StrDecimalToUintn (CmdLine);\r | |
111 | }\r | |
112 | \r | |
113 | return Status;\r | |
114 | }\r | |
115 | \r | |
116 | #if 0\r | |
117 | EFI_STATUS\r | |
118 | GenerateDeviceDescriptionName (\r | |
119 | IN EFI_HANDLE Handle,\r | |
120 | IN OUT CHAR16* Description\r | |
121 | )\r | |
122 | {\r | |
123 | EFI_STATUS Status;\r | |
124 | EFI_COMPONENT_NAME_PROTOCOL* ComponentName2Protocol;\r | |
125 | EFI_DEVICE_PATH_TO_TEXT_PROTOCOL* DevicePathToTextProtocol;\r | |
126 | EFI_DEVICE_PATH_PROTOCOL* DevicePathProtocol;\r | |
127 | CHAR16* DriverName;\r | |
128 | CHAR16* DevicePathTxt;\r | |
129 | EFI_DEVICE_PATH* DevicePathNode;\r | |
130 | \r | |
131 | ComponentName2Protocol = NULL;\r | |
132 | Status = gBS->HandleProtocol (Handle, &gEfiComponentName2ProtocolGuid, (VOID **)&ComponentName2Protocol);\r | |
133 | if (!EFI_ERROR(Status)) {\r | |
134 | //TODO: Fixme. we must find the best langague\r | |
135 | Status = ComponentName2Protocol->GetDriverName (ComponentName2Protocol,"en",&DriverName);\r | |
136 | if (!EFI_ERROR(Status)) {\r | |
137 | StrnCpy (Description,DriverName,BOOT_DEVICE_DESCRIPTION_MAX);\r | |
138 | }\r | |
139 | }\r | |
140 | \r | |
141 | if (EFI_ERROR(Status)) {\r | |
142 | // Use the lastest non null entry of the Device path as a description\r | |
143 | Status = gBS->HandleProtocol (Handle, &gEfiDevicePathProtocolGuid, (VOID **)&DevicePathProtocol);\r | |
144 | if (EFI_ERROR(Status)) {\r | |
145 | return Status;\r | |
146 | }\r | |
147 | \r | |
148 | // Convert the last non end-type Device Path Node in text for the description\r | |
149 | DevicePathNode = GetLastDevicePathNode (DevicePathProtocol);\r | |
150 | Status = gBS->LocateProtocol (&gEfiDevicePathToTextProtocolGuid, NULL, (VOID **)&DevicePathToTextProtocol);\r | |
151 | ASSERT_EFI_ERROR(Status);\r | |
152 | DevicePathTxt = DevicePathToTextProtocol->ConvertDevicePathToText(DevicePathNode,TRUE,TRUE);\r | |
153 | StrnCpy (Description, DevicePathTxt, BOOT_DEVICE_DESCRIPTION_MAX);\r | |
154 | FreePool (DevicePathTxt);\r | |
155 | }\r | |
156 | \r | |
157 | return EFI_SUCCESS;\r | |
158 | }\r | |
159 | #endif\r | |
160 | \r | |
161 | EFI_STATUS\r | |
162 | LinuxLoaderConfig (\r | |
163 | IN EFI_LOADED_IMAGE_PROTOCOL *LoadedImage\r | |
164 | )\r | |
165 | {\r | |
166 | EFI_STATUS Status;\r | |
167 | LINUX_LOADER_ACTION Choice;\r | |
168 | UINTN BootOrderSize;\r | |
169 | UINT16* BootOrder;\r | |
170 | UINTN BootOrderCount;\r | |
171 | UINTN Index;\r | |
172 | CHAR16 Description[MAX_ASCII_INPUT];\r | |
173 | CHAR8 CmdLine[MAX_ASCII_INPUT];\r | |
174 | CHAR16 Initrd[MAX_STR_INPUT];\r | |
175 | UINT16 InitrdPathListLength;\r | |
176 | UINT16 CmdLineLength;\r | |
177 | BDS_LOAD_OPTION* BdsLoadOption;\r | |
178 | BDS_LOAD_OPTION** SupportedBdsLoadOptions;\r | |
179 | UINTN SupportedBdsLoadOptionCount;\r | |
180 | LINUX_LOADER_OPTIONAL_DATA* LinuxOptionalData;\r | |
181 | EFI_DEVICE_PATH* DevicePathRoot;\r | |
182 | \r | |
3eef284c | 183 | Choice = (LINUX_LOADER_ACTION)0;\r |
1e57a462 | 184 | SupportedBdsLoadOptions = NULL;\r |
185 | SupportedBdsLoadOptionCount = 0;\r | |
186 | \r | |
187 | do {\r | |
188 | Print (L"[%d] Create new Linux Boot Entry\n",LINUX_LOADER_NEW);\r | |
189 | Print (L"[%d] Update Linux Boot Entry\n",LINUX_LOADER_UPDATE);\r | |
190 | \r | |
191 | Print (L"Option: ");\r | |
c63626b7 | 192 | Status = GetHIInputInteger ((UINTN*)&Choice);\r |
1e57a462 | 193 | if (Status == EFI_INVALID_PARAMETER) {\r |
194 | Print (L"\n");\r | |
195 | return Status;\r | |
196 | } else if ((Choice != LINUX_LOADER_NEW) && (Choice != LINUX_LOADER_UPDATE)) {\r | |
197 | Print (L"Error: the option should be either '%d' or '%d'\n",LINUX_LOADER_NEW,LINUX_LOADER_UPDATE);\r | |
198 | Status = EFI_INVALID_PARAMETER;\r | |
199 | }\r | |
200 | } while (EFI_ERROR(Status));\r | |
201 | \r | |
202 | if (Choice == LINUX_LOADER_UPDATE) {\r | |
203 | // If no compatible entry then we just create a new entry\r | |
204 | Choice = LINUX_LOADER_NEW;\r | |
205 | \r | |
206 | // Scan the OptionalData of every entry for the correct signature\r | |
c0b2e477 | 207 | Status = GetGlobalEnvironmentVariable (L"BootOrder", NULL, &BootOrderSize, (VOID**)&BootOrder);\r |
1e57a462 | 208 | if (!EFI_ERROR(Status)) {\r |
209 | BootOrderCount = BootOrderSize / sizeof(UINT16);\r | |
210 | \r | |
211 | // Allocate an array to handle maximum number of supported Boot Entry\r | |
212 | SupportedBdsLoadOptions = (BDS_LOAD_OPTION**)AllocatePool(sizeof(BDS_LOAD_OPTION*) * BootOrderCount);\r | |
213 | \r | |
214 | SupportedBdsLoadOptionCount = 0;\r | |
215 | \r | |
216 | // Check if the signature is present in the list of the current Boot entries\r | |
217 | for (Index = 0; Index < BootOrderCount; Index++) {\r | |
218 | Status = BootOptionFromLoadOptionIndex (BootOrder[Index], &BdsLoadOption);\r | |
219 | if (!EFI_ERROR(Status)) {\r | |
220 | if ((BdsLoadOption->OptionalDataSize >= sizeof(UINT32)) &&\r | |
221 | (*(UINT32*)BdsLoadOption->OptionalData == LINUX_LOADER_SIGNATURE)) {\r | |
222 | SupportedBdsLoadOptions[SupportedBdsLoadOptionCount++] = BdsLoadOption;\r | |
223 | Choice = LINUX_LOADER_UPDATE;\r | |
224 | }\r | |
225 | }\r | |
226 | }\r | |
227 | }\r | |
228 | FreePool (BootOrder);\r | |
229 | }\r | |
230 | \r | |
231 | if (Choice == LINUX_LOADER_NEW) {\r | |
232 | Description[0] = '\0';\r | |
233 | CmdLine[0] = '\0';\r | |
234 | Initrd[0] = '\0';\r | |
235 | \r | |
236 | BdsLoadOption = (BDS_LOAD_OPTION*)AllocateZeroPool (sizeof(BDS_LOAD_OPTION));\r | |
237 | \r | |
238 | DEBUG_CODE_BEGIN();\r | |
239 | CHAR16* DevicePathTxt;\r | |
240 | EFI_DEVICE_PATH_TO_TEXT_PROTOCOL* DevicePathToTextProtocol;\r | |
241 | \r | |
242 | Status = gBS->LocateProtocol (&gEfiDevicePathToTextProtocolGuid, NULL, (VOID **)&DevicePathToTextProtocol);\r | |
243 | ASSERT_EFI_ERROR(Status);\r | |
244 | DevicePathTxt = DevicePathToTextProtocol->ConvertDevicePathToText (LoadedImage->FilePath, TRUE, TRUE);\r | |
245 | \r | |
246 | Print(L"EFI OS Loader: %s\n",DevicePathTxt);\r | |
247 | \r | |
248 | FreePool(DevicePathTxt);\r | |
249 | DEBUG_CODE_END();\r | |
250 | \r | |
251 | //\r | |
252 | // Fill the known fields of BdsLoadOption\r | |
253 | //\r | |
254 | \r | |
255 | BdsLoadOption->Attributes = LOAD_OPTION_ACTIVE | LOAD_OPTION_CATEGORY_BOOT;\r | |
256 | \r | |
257 | // Get the full Device Path for this file\r | |
258 | Status = gBS->HandleProtocol (LoadedImage->DeviceHandle, &gEfiDevicePathProtocolGuid, (VOID **)&DevicePathRoot);\r | |
259 | ASSERT_EFI_ERROR(Status);\r | |
260 | \r | |
261 | BdsLoadOption->FilePathList = AppendDevicePath (DevicePathRoot, LoadedImage->FilePath);\r | |
262 | BdsLoadOption->FilePathListLength = GetDevicePathSize (BdsLoadOption->FilePathList);\r | |
263 | } else {\r | |
264 | if (SupportedBdsLoadOptionCount > 1) {\r | |
265 | for (Index = 0; Index < SupportedBdsLoadOptionCount; Index++) {\r | |
266 | Print (L"[%d] %s\n",Index + 1,SupportedBdsLoadOptions[Index]->Description);\r | |
267 | }\r | |
268 | \r | |
269 | do {\r | |
270 | Print (L"Update Boot Entry: ");\r | |
c63626b7 | 271 | Status = GetHIInputInteger ((UINTN*)&Choice);\r |
1e57a462 | 272 | if (Status == EFI_INVALID_PARAMETER) {\r |
273 | Print (L"\n");\r | |
274 | return Status;\r | |
275 | } else if ((Choice < 1) && (Choice > SupportedBdsLoadOptionCount)) {\r | |
276 | Print (L"Choose entry from 1 to %d\n",SupportedBdsLoadOptionCount);\r | |
277 | Status = EFI_INVALID_PARAMETER;\r | |
278 | }\r | |
279 | } while (EFI_ERROR(Status));\r | |
280 | BdsLoadOption = SupportedBdsLoadOptions[Choice-1];\r | |
281 | }\r | |
282 | StrnCpy (Description, BdsLoadOption->Description, MAX_STR_INPUT);\r | |
283 | \r | |
284 | LinuxOptionalData = (LINUX_LOADER_OPTIONAL_DATA*)BdsLoadOption->OptionalData;\r | |
285 | if (LinuxOptionalData->CmdLineLength > 0) {\r | |
286 | CopyMem (CmdLine, (CHAR8*)LinuxOptionalData + sizeof(LINUX_LOADER_OPTIONAL_DATA), LinuxOptionalData->CmdLineLength);\r | |
287 | } else {\r | |
288 | CmdLine[0] = '\0';\r | |
289 | }\r | |
290 | \r | |
291 | if (LinuxOptionalData->InitrdPathListLength > 0) {\r | |
292 | CopyMem (Initrd, (CHAR8*)LinuxOptionalData + sizeof(LINUX_LOADER_OPTIONAL_DATA) + LinuxOptionalData->CmdLineLength, LinuxOptionalData->InitrdPathListLength);\r | |
293 | } else {\r | |
294 | Initrd[0] = L'\0';\r | |
295 | }\r | |
296 | DEBUG((EFI_D_ERROR,"L\n"));\r | |
297 | }\r | |
298 | \r | |
299 | // Description\r | |
300 | Print (L"Description: ");\r | |
301 | Status = EditHIInputStr (Description, MAX_STR_INPUT);\r | |
302 | if (EFI_ERROR(Status)) {\r | |
303 | return Status;\r | |
304 | }\r | |
305 | if (StrLen (Description) == 0) {\r | |
306 | StrnCpy (Description, DEFAULT_BOOT_ENTRY_DESCRIPTION, MAX_STR_INPUT);\r | |
307 | }\r | |
308 | BdsLoadOption->Description = Description;\r | |
309 | \r | |
310 | // CmdLine\r | |
311 | Print (L"Command Line: ");\r | |
312 | Status = EditHIInputAscii (CmdLine, MAX_ASCII_INPUT);\r | |
313 | if (EFI_ERROR(Status)) {\r | |
314 | return Status;\r | |
315 | }\r | |
316 | \r | |
317 | // Initrd\r | |
318 | Print (L"Initrd name: ");\r | |
319 | Status = EditHIInputStr (Initrd, MAX_STR_INPUT);\r | |
320 | if (EFI_ERROR(Status)) {\r | |
321 | return Status;\r | |
322 | }\r | |
323 | \r | |
324 | CmdLineLength = AsciiStrLen (CmdLine);\r | |
325 | if (CmdLineLength > 0) {\r | |
326 | CmdLineLength += sizeof(CHAR8);\r | |
327 | }\r | |
328 | \r | |
329 | InitrdPathListLength = StrLen (Initrd) * sizeof(CHAR16);\r | |
330 | if (InitrdPathListLength > 0) {\r | |
331 | InitrdPathListLength += sizeof(CHAR16);\r | |
332 | }\r | |
333 | \r | |
334 | BdsLoadOption->OptionalDataSize = sizeof(LINUX_LOADER_OPTIONAL_DATA) + CmdLineLength + InitrdPathListLength;\r | |
335 | \r | |
336 | LinuxOptionalData = (LINUX_LOADER_OPTIONAL_DATA*)AllocatePool (BdsLoadOption->OptionalDataSize);\r | |
337 | BdsLoadOption->OptionalData = LinuxOptionalData;\r | |
338 | \r | |
339 | LinuxOptionalData->Signature = LINUX_LOADER_SIGNATURE;\r | |
340 | LinuxOptionalData->CmdLineLength = CmdLineLength;\r | |
341 | LinuxOptionalData->InitrdPathListLength = InitrdPathListLength;\r | |
342 | \r | |
343 | if (CmdLineLength > 0) {\r | |
344 | CopyMem (LinuxOptionalData + 1, CmdLine, CmdLineLength);\r | |
345 | }\r | |
346 | if (InitrdPathListLength > 0) {\r | |
347 | CopyMem ((UINT8*)(LinuxOptionalData + 1) + CmdLineLength, Initrd, InitrdPathListLength);\r | |
348 | }\r | |
349 | \r | |
350 | // Create or Update the boot entry\r | |
351 | Status = BootOptionToLoadOptionVariable (BdsLoadOption);\r | |
352 | \r | |
353 | return Status;\r | |
354 | }\r |