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75e4db2d | 1 | /** @file |
2 | * | |
ac7362c9 | 3 | * Copyright (c) 2011-2012, ARM Limited. All rights reserved. |
75e4db2d | 4 | * |
5 | * This program and the accompanying materials | |
6 | * are licensed and made available under the terms and conditions of the BSD License | |
7 | * which accompanies this distribution. The full text of the license may be found at | |
8 | * http://opensource.org/licenses/bsd-license.php | |
9 | * | |
10 | * THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, | |
11 | * WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. | |
12 | * | |
13 | **/ | |
14 | ||
15 | #include "LinuxInternal.h" | |
16 | ||
75e4db2d | 17 | #define DEFAULT_BOOT_ENTRY_DESCRIPTION L"Linux" |
18 | #define MAX_STR_INPUT 300 | |
19 | #define MAX_ASCII_INPUT 300 | |
20 | ||
21 | typedef enum { | |
22 | LINUX_LOADER_NEW = 1, | |
23 | LINUX_LOADER_UPDATE | |
24 | } LINUX_LOADER_ACTION; | |
25 | ||
26 | STATIC | |
27 | EFI_STATUS | |
28 | EditHIInputStr ( | |
29 | IN OUT CHAR16 *CmdLine, | |
30 | IN UINTN MaxCmdLine | |
31 | ) | |
32 | { | |
33 | UINTN CmdLineIndex; | |
34 | UINTN WaitIndex; | |
35 | CHAR8 Char; | |
36 | EFI_INPUT_KEY Key; | |
37 | EFI_STATUS Status; | |
38 | ||
39 | Print (CmdLine); | |
40 | ||
41 | for (CmdLineIndex = StrLen (CmdLine); CmdLineIndex < MaxCmdLine; ) { | |
42 | Status = gBS->WaitForEvent (1, &gST->ConIn->WaitForKey, &WaitIndex); | |
43 | ASSERT_EFI_ERROR (Status); | |
44 | ||
45 | Status = gST->ConIn->ReadKeyStroke (gST->ConIn, &Key); | |
46 | ASSERT_EFI_ERROR (Status); | |
47 | ||
48 | // Unicode character is valid when Scancode is NUll | |
49 | if (Key.ScanCode == SCAN_NULL) { | |
50 | // Scan code is NUll, hence read Unicode character | |
51 | Char = (CHAR8)Key.UnicodeChar; | |
52 | } else { | |
53 | Char = CHAR_NULL; | |
54 | } | |
55 | ||
56 | if ((Char == CHAR_LINEFEED) || (Char == CHAR_CARRIAGE_RETURN) || (Char == 0x7f)) { | |
57 | CmdLine[CmdLineIndex] = '\0'; | |
58 | Print (L"\n\r"); | |
59 | ||
60 | return EFI_SUCCESS; | |
61 | } else if ((Key.UnicodeChar == L'\b') || (Key.ScanCode == SCAN_LEFT) || (Key.ScanCode == SCAN_DELETE)){ | |
62 | if (CmdLineIndex != 0) { | |
63 | CmdLineIndex--; | |
64 | Print (L"\b \b"); | |
65 | } | |
66 | } else if ((Key.ScanCode == SCAN_ESC) || (Char == 0x1B) || (Char == 0x0)) { | |
67 | return EFI_INVALID_PARAMETER; | |
68 | } else { | |
69 | CmdLine[CmdLineIndex++] = Key.UnicodeChar; | |
70 | Print (L"%c", Key.UnicodeChar); | |
71 | } | |
72 | } | |
73 | ||
74 | return EFI_SUCCESS; | |
75 | } | |
76 | ||
77 | STATIC | |
78 | EFI_STATUS | |
79 | EditHIInputAscii ( | |
80 | IN OUT CHAR8 *CmdLine, | |
81 | IN UINTN MaxCmdLine | |
82 | ) | |
83 | { | |
84 | CHAR16* Str; | |
85 | EFI_STATUS Status; | |
86 | ||
87 | Str = (CHAR16*)AllocatePool (MaxCmdLine * sizeof(CHAR16)); | |
88 | AsciiStrToUnicodeStr (CmdLine, Str); | |
89 | ||
90 | Status = EditHIInputStr (Str, MaxCmdLine); | |
91 | ||
92 | UnicodeStrToAsciiStr (Str, CmdLine); | |
93 | FreePool (Str); | |
94 | ||
95 | return Status; | |
96 | } | |
97 | ||
98 | STATIC | |
99 | EFI_STATUS | |
100 | GetHIInputInteger ( | |
101 | OUT UINTN *Integer | |
102 | ) | |
103 | { | |
104 | CHAR16 CmdLine[255]; | |
105 | EFI_STATUS Status; | |
106 | ||
107 | CmdLine[0] = '\0'; | |
108 | Status = EditHIInputStr (CmdLine, 255); | |
109 | if (!EFI_ERROR(Status)) { | |
110 | *Integer = StrDecimalToUintn (CmdLine); | |
111 | } | |
112 | ||
113 | return Status; | |
114 | } | |
115 | ||
116 | #if 0 | |
117 | EFI_STATUS | |
118 | GenerateDeviceDescriptionName ( | |
119 | IN EFI_HANDLE Handle, | |
120 | IN OUT CHAR16* Description | |
121 | ) | |
122 | { | |
123 | EFI_STATUS Status; | |
124 | EFI_COMPONENT_NAME_PROTOCOL* ComponentName2Protocol; | |
125 | EFI_DEVICE_PATH_TO_TEXT_PROTOCOL* DevicePathToTextProtocol; | |
126 | EFI_DEVICE_PATH_PROTOCOL* DevicePathProtocol; | |
127 | CHAR16* DriverName; | |
128 | CHAR16* DevicePathTxt; | |
129 | EFI_DEVICE_PATH* DevicePathNode; | |
130 | ||
131 | ComponentName2Protocol = NULL; | |
132 | Status = gBS->HandleProtocol (Handle, &gEfiComponentName2ProtocolGuid, (VOID **)&ComponentName2Protocol); | |
133 | if (!EFI_ERROR(Status)) { | |
134 | //TODO: Fixme. we must find the best langague | |
135 | Status = ComponentName2Protocol->GetDriverName (ComponentName2Protocol,"en",&DriverName); | |
136 | if (!EFI_ERROR(Status)) { | |
137 | StrnCpy (Description,DriverName,BOOT_DEVICE_DESCRIPTION_MAX); | |
138 | } | |
139 | } | |
140 | ||
141 | if (EFI_ERROR(Status)) { | |
142 | // Use the lastest non null entry of the Device path as a description | |
143 | Status = gBS->HandleProtocol (Handle, &gEfiDevicePathProtocolGuid, (VOID **)&DevicePathProtocol); | |
144 | if (EFI_ERROR(Status)) { | |
145 | return Status; | |
146 | } | |
147 | ||
148 | // Convert the last non end-type Device Path Node in text for the description | |
149 | DevicePathNode = GetLastDevicePathNode (DevicePathProtocol); | |
150 | Status = gBS->LocateProtocol (&gEfiDevicePathToTextProtocolGuid, NULL, (VOID **)&DevicePathToTextProtocol); | |
151 | ASSERT_EFI_ERROR(Status); | |
152 | DevicePathTxt = DevicePathToTextProtocol->ConvertDevicePathToText(DevicePathNode,TRUE,TRUE); | |
153 | StrnCpy (Description, DevicePathTxt, BOOT_DEVICE_DESCRIPTION_MAX); | |
154 | FreePool (DevicePathTxt); | |
155 | } | |
156 | ||
157 | return EFI_SUCCESS; | |
158 | } | |
159 | #endif | |
160 | ||
161 | EFI_STATUS | |
162 | LinuxLoaderConfig ( | |
163 | IN EFI_LOADED_IMAGE_PROTOCOL *LoadedImage | |
164 | ) | |
165 | { | |
166 | EFI_STATUS Status; | |
167 | LINUX_LOADER_ACTION Choice; | |
168 | UINTN BootOrderSize; | |
169 | UINT16* BootOrder; | |
170 | UINTN BootOrderCount; | |
171 | UINTN Index; | |
172 | CHAR16 Description[MAX_ASCII_INPUT]; | |
173 | CHAR8 CmdLine[MAX_ASCII_INPUT]; | |
174 | CHAR16 Initrd[MAX_STR_INPUT]; | |
175 | UINT16 InitrdPathListLength; | |
176 | UINT16 CmdLineLength; | |
177 | BDS_LOAD_OPTION* BdsLoadOption; | |
178 | BDS_LOAD_OPTION** SupportedBdsLoadOptions; | |
179 | UINTN SupportedBdsLoadOptionCount; | |
180 | LINUX_LOADER_OPTIONAL_DATA* LinuxOptionalData; | |
181 | EFI_DEVICE_PATH* DevicePathRoot; | |
182 | ||
183 | SupportedBdsLoadOptions = NULL; | |
184 | SupportedBdsLoadOptionCount = 0; | |
185 | ||
186 | do { | |
187 | Print (L"[%d] Create new Linux Boot Entry\n",LINUX_LOADER_NEW); | |
188 | Print (L"[%d] Update Linux Boot Entry\n",LINUX_LOADER_UPDATE); | |
189 | ||
190 | Print (L"Option: "); | |
191 | Status = GetHIInputInteger (&Choice); | |
192 | if (Status == EFI_INVALID_PARAMETER) { | |
193 | Print (L"\n"); | |
194 | return Status; | |
195 | } else if ((Choice != LINUX_LOADER_NEW) && (Choice != LINUX_LOADER_UPDATE)) { | |
196 | Print (L"Error: the option should be either '%d' or '%d'\n",LINUX_LOADER_NEW,LINUX_LOADER_UPDATE); | |
197 | Status = EFI_INVALID_PARAMETER; | |
198 | } | |
199 | } while (EFI_ERROR(Status)); | |
200 | ||
201 | if (Choice == LINUX_LOADER_UPDATE) { | |
202 | // If no compatible entry then we just create a new entry | |
203 | Choice = LINUX_LOADER_NEW; | |
204 | ||
205 | // Scan the OptionalData of every entry for the correct signature | |
206 | Status = GetEnvironmentVariable (L"BootOrder", NULL, &BootOrderSize, (VOID**)&BootOrder); | |
207 | if (!EFI_ERROR(Status)) { | |
208 | BootOrderCount = BootOrderSize / sizeof(UINT16); | |
209 | ||
210 | // Allocate an array to handle maximum number of supported Boot Entry | |
211 | SupportedBdsLoadOptions = (BDS_LOAD_OPTION**)AllocatePool(sizeof(BDS_LOAD_OPTION*) * BootOrderCount); | |
212 | ||
213 | SupportedBdsLoadOptionCount = 0; | |
214 | ||
215 | // Check if the signature is present in the list of the current Boot entries | |
216 | for (Index = 0; Index < BootOrderCount; Index++) { | |
217 | Status = BootOptionFromLoadOptionIndex (BootOrder[Index], &BdsLoadOption); | |
218 | if (!EFI_ERROR(Status)) { | |
219 | if ((BdsLoadOption->OptionalDataSize >= sizeof(UINT32)) && | |
220 | (*(UINT32*)BdsLoadOption->OptionalData == LINUX_LOADER_SIGNATURE)) { | |
221 | SupportedBdsLoadOptions[SupportedBdsLoadOptionCount++] = BdsLoadOption; | |
222 | Choice = LINUX_LOADER_UPDATE; | |
223 | } | |
224 | } | |
225 | } | |
226 | } | |
ac7362c9 | 227 | FreePool (BootOrder); |
75e4db2d | 228 | } |
229 | ||
230 | if (Choice == LINUX_LOADER_NEW) { | |
231 | Description[0] = '\0'; | |
232 | CmdLine[0] = '\0'; | |
233 | Initrd[0] = '\0'; | |
234 | ||
235 | BdsLoadOption = (BDS_LOAD_OPTION*)AllocateZeroPool (sizeof(BDS_LOAD_OPTION)); | |
236 | ||
237 | DEBUG_CODE_BEGIN(); | |
238 | CHAR16* DevicePathTxt; | |
239 | EFI_DEVICE_PATH_TO_TEXT_PROTOCOL* DevicePathToTextProtocol; | |
240 | ||
241 | Status = gBS->LocateProtocol (&gEfiDevicePathToTextProtocolGuid, NULL, (VOID **)&DevicePathToTextProtocol); | |
242 | ASSERT_EFI_ERROR(Status); | |
243 | DevicePathTxt = DevicePathToTextProtocol->ConvertDevicePathToText (LoadedImage->FilePath, TRUE, TRUE); | |
244 | ||
245 | Print(L"EFI OS Loader: %s\n",DevicePathTxt); | |
246 | ||
247 | FreePool(DevicePathTxt); | |
248 | DEBUG_CODE_END(); | |
249 | ||
250 | // | |
251 | // Fill the known fields of BdsLoadOption | |
252 | // | |
253 | ||
254 | BdsLoadOption->Attributes = LOAD_OPTION_ACTIVE | LOAD_OPTION_CATEGORY_BOOT; | |
255 | ||
256 | // Get the full Device Path for this file | |
257 | Status = gBS->HandleProtocol (LoadedImage->DeviceHandle, &gEfiDevicePathProtocolGuid, (VOID **)&DevicePathRoot); | |
258 | ASSERT_EFI_ERROR(Status); | |
259 | ||
260 | BdsLoadOption->FilePathList = AppendDevicePath (DevicePathRoot, LoadedImage->FilePath); | |
261 | BdsLoadOption->FilePathListLength = GetDevicePathSize (BdsLoadOption->FilePathList); | |
262 | } else { | |
263 | if (SupportedBdsLoadOptionCount > 1) { | |
264 | for (Index = 0; Index < SupportedBdsLoadOptionCount; Index++) { | |
265 | Print (L"[%d] %s\n",Index + 1,SupportedBdsLoadOptions[Index]->Description); | |
266 | } | |
267 | ||
268 | do { | |
269 | Print (L"Update Boot Entry: "); | |
270 | Status = GetHIInputInteger (&Choice); | |
271 | if (Status == EFI_INVALID_PARAMETER) { | |
272 | Print (L"\n"); | |
273 | return Status; | |
274 | } else if ((Choice < 1) && (Choice > SupportedBdsLoadOptionCount)) { | |
275 | Print (L"Choose entry from 1 to %d\n",SupportedBdsLoadOptionCount); | |
276 | Status = EFI_INVALID_PARAMETER; | |
277 | } | |
278 | } while (EFI_ERROR(Status)); | |
279 | BdsLoadOption = SupportedBdsLoadOptions[Choice-1]; | |
280 | } | |
281 | StrnCpy (Description, BdsLoadOption->Description, MAX_STR_INPUT); | |
282 | ||
283 | LinuxOptionalData = (LINUX_LOADER_OPTIONAL_DATA*)BdsLoadOption->OptionalData; | |
284 | if (LinuxOptionalData->CmdLineLength > 0) { | |
285 | CopyMem (CmdLine, (CHAR8*)LinuxOptionalData + sizeof(LINUX_LOADER_OPTIONAL_DATA), LinuxOptionalData->CmdLineLength); | |
286 | } else { | |
287 | CmdLine[0] = '\0'; | |
288 | } | |
289 | ||
290 | if (LinuxOptionalData->InitrdPathListLength > 0) { | |
291 | CopyMem (Initrd, (CHAR8*)LinuxOptionalData + sizeof(LINUX_LOADER_OPTIONAL_DATA) + LinuxOptionalData->CmdLineLength, LinuxOptionalData->InitrdPathListLength); | |
292 | } else { | |
293 | Initrd[0] = L'\0'; | |
294 | } | |
295 | DEBUG((EFI_D_ERROR,"L\n")); | |
296 | } | |
297 | ||
298 | // Description | |
299 | Print (L"Description: "); | |
300 | Status = EditHIInputStr (Description, MAX_STR_INPUT); | |
301 | if (EFI_ERROR(Status)) { | |
302 | return Status; | |
303 | } | |
304 | if (StrLen (Description) == 0) { | |
305 | StrnCpy (Description, DEFAULT_BOOT_ENTRY_DESCRIPTION, MAX_STR_INPUT); | |
306 | } | |
307 | BdsLoadOption->Description = Description; | |
308 | ||
309 | // CmdLine | |
310 | Print (L"Command Line: "); | |
311 | Status = EditHIInputAscii (CmdLine, MAX_ASCII_INPUT); | |
312 | if (EFI_ERROR(Status)) { | |
313 | return Status; | |
314 | } | |
315 | ||
316 | // Initrd | |
317 | Print (L"Initrd name: "); | |
318 | Status = EditHIInputStr (Initrd, MAX_STR_INPUT); | |
319 | if (EFI_ERROR(Status)) { | |
320 | return Status; | |
321 | } | |
322 | ||
323 | CmdLineLength = AsciiStrLen (CmdLine); | |
324 | if (CmdLineLength > 0) { | |
325 | CmdLineLength += sizeof(CHAR8); | |
326 | } | |
327 | ||
328 | InitrdPathListLength = StrLen (Initrd) * sizeof(CHAR16); | |
329 | if (InitrdPathListLength > 0) { | |
330 | InitrdPathListLength += sizeof(CHAR16); | |
331 | } | |
332 | ||
333 | BdsLoadOption->OptionalDataSize = sizeof(LINUX_LOADER_OPTIONAL_DATA) + CmdLineLength + InitrdPathListLength; | |
334 | ||
335 | LinuxOptionalData = (LINUX_LOADER_OPTIONAL_DATA*)AllocatePool (BdsLoadOption->OptionalDataSize); | |
336 | BdsLoadOption->OptionalData = LinuxOptionalData; | |
337 | ||
338 | LinuxOptionalData->Signature = LINUX_LOADER_SIGNATURE; | |
339 | LinuxOptionalData->CmdLineLength = CmdLineLength; | |
340 | LinuxOptionalData->InitrdPathListLength = InitrdPathListLength; | |
341 | ||
342 | if (CmdLineLength > 0) { | |
343 | CopyMem (LinuxOptionalData + 1, CmdLine, CmdLineLength); | |
344 | } | |
345 | if (InitrdPathListLength > 0) { | |
346 | CopyMem ((UINT8*)(LinuxOptionalData + 1) + CmdLineLength, Initrd, InitrdPathListLength); | |
347 | } | |
348 | ||
349 | // Create or Update the boot entry | |
350 | Status = BootOptionToLoadOptionVariable (BdsLoadOption); | |
351 | ||
352 | return Status; | |
353 | } |