]>
Commit | Line | Data |
---|---|---|
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 | ||
17 | //TODO: RemoveMe | |
18 | #include <Protocol/DevicePathToText.h> | |
19 | ||
20 | #define DEFAULT_BOOT_ENTRY_DESCRIPTION L"Linux" | |
21 | #define MAX_STR_INPUT 300 | |
22 | #define MAX_ASCII_INPUT 300 | |
23 | ||
24 | typedef enum { | |
25 | LINUX_LOADER_NEW = 1, | |
26 | LINUX_LOADER_UPDATE | |
27 | } LINUX_LOADER_ACTION; | |
28 | ||
29 | STATIC | |
30 | EFI_STATUS | |
31 | EditHIInputStr ( | |
32 | IN OUT CHAR16 *CmdLine, | |
33 | IN UINTN MaxCmdLine | |
34 | ) | |
35 | { | |
36 | UINTN CmdLineIndex; | |
37 | UINTN WaitIndex; | |
38 | CHAR8 Char; | |
39 | EFI_INPUT_KEY Key; | |
40 | EFI_STATUS Status; | |
41 | ||
42 | Print (CmdLine); | |
43 | ||
44 | for (CmdLineIndex = StrLen (CmdLine); CmdLineIndex < MaxCmdLine; ) { | |
45 | Status = gBS->WaitForEvent (1, &gST->ConIn->WaitForKey, &WaitIndex); | |
46 | ASSERT_EFI_ERROR (Status); | |
47 | ||
48 | Status = gST->ConIn->ReadKeyStroke (gST->ConIn, &Key); | |
49 | ASSERT_EFI_ERROR (Status); | |
50 | ||
51 | // Unicode character is valid when Scancode is NUll | |
52 | if (Key.ScanCode == SCAN_NULL) { | |
53 | // Scan code is NUll, hence read Unicode character | |
54 | Char = (CHAR8)Key.UnicodeChar; | |
55 | } else { | |
56 | Char = CHAR_NULL; | |
57 | } | |
58 | ||
59 | if ((Char == CHAR_LINEFEED) || (Char == CHAR_CARRIAGE_RETURN) || (Char == 0x7f)) { | |
60 | CmdLine[CmdLineIndex] = '\0'; | |
61 | Print (L"\n\r"); | |
62 | ||
63 | return EFI_SUCCESS; | |
64 | } else if ((Key.UnicodeChar == L'\b') || (Key.ScanCode == SCAN_LEFT) || (Key.ScanCode == SCAN_DELETE)){ | |
65 | if (CmdLineIndex != 0) { | |
66 | CmdLineIndex--; | |
67 | Print (L"\b \b"); | |
68 | } | |
69 | } else if ((Key.ScanCode == SCAN_ESC) || (Char == 0x1B) || (Char == 0x0)) { | |
70 | return EFI_INVALID_PARAMETER; | |
71 | } else { | |
72 | CmdLine[CmdLineIndex++] = Key.UnicodeChar; | |
73 | Print (L"%c", Key.UnicodeChar); | |
74 | } | |
75 | } | |
76 | ||
77 | return EFI_SUCCESS; | |
78 | } | |
79 | ||
80 | STATIC | |
81 | EFI_STATUS | |
82 | EditHIInputAscii ( | |
83 | IN OUT CHAR8 *CmdLine, | |
84 | IN UINTN MaxCmdLine | |
85 | ) | |
86 | { | |
87 | CHAR16* Str; | |
88 | EFI_STATUS Status; | |
89 | ||
90 | Str = (CHAR16*)AllocatePool (MaxCmdLine * sizeof(CHAR16)); | |
91 | AsciiStrToUnicodeStr (CmdLine, Str); | |
92 | ||
93 | Status = EditHIInputStr (Str, MaxCmdLine); | |
94 | ||
95 | UnicodeStrToAsciiStr (Str, CmdLine); | |
96 | FreePool (Str); | |
97 | ||
98 | return Status; | |
99 | } | |
100 | ||
101 | STATIC | |
102 | EFI_STATUS | |
103 | GetHIInputInteger ( | |
104 | OUT UINTN *Integer | |
105 | ) | |
106 | { | |
107 | CHAR16 CmdLine[255]; | |
108 | EFI_STATUS Status; | |
109 | ||
110 | CmdLine[0] = '\0'; | |
111 | Status = EditHIInputStr (CmdLine, 255); | |
112 | if (!EFI_ERROR(Status)) { | |
113 | *Integer = StrDecimalToUintn (CmdLine); | |
114 | } | |
115 | ||
116 | return Status; | |
117 | } | |
118 | ||
119 | #if 0 | |
120 | EFI_STATUS | |
121 | GenerateDeviceDescriptionName ( | |
122 | IN EFI_HANDLE Handle, | |
123 | IN OUT CHAR16* Description | |
124 | ) | |
125 | { | |
126 | EFI_STATUS Status; | |
127 | EFI_COMPONENT_NAME_PROTOCOL* ComponentName2Protocol; | |
128 | EFI_DEVICE_PATH_TO_TEXT_PROTOCOL* DevicePathToTextProtocol; | |
129 | EFI_DEVICE_PATH_PROTOCOL* DevicePathProtocol; | |
130 | CHAR16* DriverName; | |
131 | CHAR16* DevicePathTxt; | |
132 | EFI_DEVICE_PATH* DevicePathNode; | |
133 | ||
134 | ComponentName2Protocol = NULL; | |
135 | Status = gBS->HandleProtocol (Handle, &gEfiComponentName2ProtocolGuid, (VOID **)&ComponentName2Protocol); | |
136 | if (!EFI_ERROR(Status)) { | |
137 | //TODO: Fixme. we must find the best langague | |
138 | Status = ComponentName2Protocol->GetDriverName (ComponentName2Protocol,"en",&DriverName); | |
139 | if (!EFI_ERROR(Status)) { | |
140 | StrnCpy (Description,DriverName,BOOT_DEVICE_DESCRIPTION_MAX); | |
141 | } | |
142 | } | |
143 | ||
144 | if (EFI_ERROR(Status)) { | |
145 | // Use the lastest non null entry of the Device path as a description | |
146 | Status = gBS->HandleProtocol (Handle, &gEfiDevicePathProtocolGuid, (VOID **)&DevicePathProtocol); | |
147 | if (EFI_ERROR(Status)) { | |
148 | return Status; | |
149 | } | |
150 | ||
151 | // Convert the last non end-type Device Path Node in text for the description | |
152 | DevicePathNode = GetLastDevicePathNode (DevicePathProtocol); | |
153 | Status = gBS->LocateProtocol (&gEfiDevicePathToTextProtocolGuid, NULL, (VOID **)&DevicePathToTextProtocol); | |
154 | ASSERT_EFI_ERROR(Status); | |
155 | DevicePathTxt = DevicePathToTextProtocol->ConvertDevicePathToText(DevicePathNode,TRUE,TRUE); | |
156 | StrnCpy (Description, DevicePathTxt, BOOT_DEVICE_DESCRIPTION_MAX); | |
157 | FreePool (DevicePathTxt); | |
158 | } | |
159 | ||
160 | return EFI_SUCCESS; | |
161 | } | |
162 | #endif | |
163 | ||
164 | EFI_STATUS | |
165 | LinuxLoaderConfig ( | |
166 | IN EFI_LOADED_IMAGE_PROTOCOL *LoadedImage | |
167 | ) | |
168 | { | |
169 | EFI_STATUS Status; | |
170 | LINUX_LOADER_ACTION Choice; | |
171 | UINTN BootOrderSize; | |
172 | UINT16* BootOrder; | |
173 | UINTN BootOrderCount; | |
174 | UINTN Index; | |
175 | CHAR16 Description[MAX_ASCII_INPUT]; | |
176 | CHAR8 CmdLine[MAX_ASCII_INPUT]; | |
177 | CHAR16 Initrd[MAX_STR_INPUT]; | |
178 | UINT16 InitrdPathListLength; | |
179 | UINT16 CmdLineLength; | |
180 | BDS_LOAD_OPTION* BdsLoadOption; | |
181 | BDS_LOAD_OPTION** SupportedBdsLoadOptions; | |
182 | UINTN SupportedBdsLoadOptionCount; | |
183 | LINUX_LOADER_OPTIONAL_DATA* LinuxOptionalData; | |
184 | EFI_DEVICE_PATH* DevicePathRoot; | |
185 | ||
186 | SupportedBdsLoadOptions = NULL; | |
187 | SupportedBdsLoadOptionCount = 0; | |
188 | ||
189 | do { | |
190 | Print (L"[%d] Create new Linux Boot Entry\n",LINUX_LOADER_NEW); | |
191 | Print (L"[%d] Update Linux Boot Entry\n",LINUX_LOADER_UPDATE); | |
192 | ||
193 | Print (L"Option: "); | |
194 | Status = GetHIInputInteger (&Choice); | |
195 | if (Status == EFI_INVALID_PARAMETER) { | |
196 | Print (L"\n"); | |
197 | return Status; | |
198 | } else if ((Choice != LINUX_LOADER_NEW) && (Choice != LINUX_LOADER_UPDATE)) { | |
199 | Print (L"Error: the option should be either '%d' or '%d'\n",LINUX_LOADER_NEW,LINUX_LOADER_UPDATE); | |
200 | Status = EFI_INVALID_PARAMETER; | |
201 | } | |
202 | } while (EFI_ERROR(Status)); | |
203 | ||
204 | if (Choice == LINUX_LOADER_UPDATE) { | |
205 | // If no compatible entry then we just create a new entry | |
206 | Choice = LINUX_LOADER_NEW; | |
207 | ||
208 | // Scan the OptionalData of every entry for the correct signature | |
209 | Status = GetEnvironmentVariable (L"BootOrder", NULL, &BootOrderSize, (VOID**)&BootOrder); | |
210 | if (!EFI_ERROR(Status)) { | |
211 | BootOrderCount = BootOrderSize / sizeof(UINT16); | |
212 | ||
213 | // Allocate an array to handle maximum number of supported Boot Entry | |
214 | SupportedBdsLoadOptions = (BDS_LOAD_OPTION**)AllocatePool(sizeof(BDS_LOAD_OPTION*) * BootOrderCount); | |
215 | ||
216 | SupportedBdsLoadOptionCount = 0; | |
217 | ||
218 | // Check if the signature is present in the list of the current Boot entries | |
219 | for (Index = 0; Index < BootOrderCount; Index++) { | |
220 | Status = BootOptionFromLoadOptionIndex (BootOrder[Index], &BdsLoadOption); | |
221 | if (!EFI_ERROR(Status)) { | |
222 | if ((BdsLoadOption->OptionalDataSize >= sizeof(UINT32)) && | |
223 | (*(UINT32*)BdsLoadOption->OptionalData == LINUX_LOADER_SIGNATURE)) { | |
224 | SupportedBdsLoadOptions[SupportedBdsLoadOptionCount++] = BdsLoadOption; | |
225 | Choice = LINUX_LOADER_UPDATE; | |
226 | } | |
227 | } | |
228 | } | |
229 | } | |
ac7362c9 | 230 | FreePool (BootOrder); |
75e4db2d | 231 | } |
232 | ||
233 | if (Choice == LINUX_LOADER_NEW) { | |
234 | Description[0] = '\0'; | |
235 | CmdLine[0] = '\0'; | |
236 | Initrd[0] = '\0'; | |
237 | ||
238 | BdsLoadOption = (BDS_LOAD_OPTION*)AllocateZeroPool (sizeof(BDS_LOAD_OPTION)); | |
239 | ||
240 | DEBUG_CODE_BEGIN(); | |
241 | CHAR16* DevicePathTxt; | |
242 | EFI_DEVICE_PATH_TO_TEXT_PROTOCOL* DevicePathToTextProtocol; | |
243 | ||
244 | Status = gBS->LocateProtocol (&gEfiDevicePathToTextProtocolGuid, NULL, (VOID **)&DevicePathToTextProtocol); | |
245 | ASSERT_EFI_ERROR(Status); | |
246 | DevicePathTxt = DevicePathToTextProtocol->ConvertDevicePathToText (LoadedImage->FilePath, TRUE, TRUE); | |
247 | ||
248 | Print(L"EFI OS Loader: %s\n",DevicePathTxt); | |
249 | ||
250 | FreePool(DevicePathTxt); | |
251 | DEBUG_CODE_END(); | |
252 | ||
253 | // | |
254 | // Fill the known fields of BdsLoadOption | |
255 | // | |
256 | ||
257 | BdsLoadOption->Attributes = LOAD_OPTION_ACTIVE | LOAD_OPTION_CATEGORY_BOOT; | |
258 | ||
259 | // Get the full Device Path for this file | |
260 | Status = gBS->HandleProtocol (LoadedImage->DeviceHandle, &gEfiDevicePathProtocolGuid, (VOID **)&DevicePathRoot); | |
261 | ASSERT_EFI_ERROR(Status); | |
262 | ||
263 | BdsLoadOption->FilePathList = AppendDevicePath (DevicePathRoot, LoadedImage->FilePath); | |
264 | BdsLoadOption->FilePathListLength = GetDevicePathSize (BdsLoadOption->FilePathList); | |
265 | } else { | |
266 | if (SupportedBdsLoadOptionCount > 1) { | |
267 | for (Index = 0; Index < SupportedBdsLoadOptionCount; Index++) { | |
268 | Print (L"[%d] %s\n",Index + 1,SupportedBdsLoadOptions[Index]->Description); | |
269 | } | |
270 | ||
271 | do { | |
272 | Print (L"Update Boot Entry: "); | |
273 | Status = GetHIInputInteger (&Choice); | |
274 | if (Status == EFI_INVALID_PARAMETER) { | |
275 | Print (L"\n"); | |
276 | return Status; | |
277 | } else if ((Choice < 1) && (Choice > SupportedBdsLoadOptionCount)) { | |
278 | Print (L"Choose entry from 1 to %d\n",SupportedBdsLoadOptionCount); | |
279 | Status = EFI_INVALID_PARAMETER; | |
280 | } | |
281 | } while (EFI_ERROR(Status)); | |
282 | BdsLoadOption = SupportedBdsLoadOptions[Choice-1]; | |
283 | } | |
284 | StrnCpy (Description, BdsLoadOption->Description, MAX_STR_INPUT); | |
285 | ||
286 | LinuxOptionalData = (LINUX_LOADER_OPTIONAL_DATA*)BdsLoadOption->OptionalData; | |
287 | if (LinuxOptionalData->CmdLineLength > 0) { | |
288 | CopyMem (CmdLine, (CHAR8*)LinuxOptionalData + sizeof(LINUX_LOADER_OPTIONAL_DATA), LinuxOptionalData->CmdLineLength); | |
289 | } else { | |
290 | CmdLine[0] = '\0'; | |
291 | } | |
292 | ||
293 | if (LinuxOptionalData->InitrdPathListLength > 0) { | |
294 | CopyMem (Initrd, (CHAR8*)LinuxOptionalData + sizeof(LINUX_LOADER_OPTIONAL_DATA) + LinuxOptionalData->CmdLineLength, LinuxOptionalData->InitrdPathListLength); | |
295 | } else { | |
296 | Initrd[0] = L'\0'; | |
297 | } | |
298 | DEBUG((EFI_D_ERROR,"L\n")); | |
299 | } | |
300 | ||
301 | // Description | |
302 | Print (L"Description: "); | |
303 | Status = EditHIInputStr (Description, MAX_STR_INPUT); | |
304 | if (EFI_ERROR(Status)) { | |
305 | return Status; | |
306 | } | |
307 | if (StrLen (Description) == 0) { | |
308 | StrnCpy (Description, DEFAULT_BOOT_ENTRY_DESCRIPTION, MAX_STR_INPUT); | |
309 | } | |
310 | BdsLoadOption->Description = Description; | |
311 | ||
312 | // CmdLine | |
313 | Print (L"Command Line: "); | |
314 | Status = EditHIInputAscii (CmdLine, MAX_ASCII_INPUT); | |
315 | if (EFI_ERROR(Status)) { | |
316 | return Status; | |
317 | } | |
318 | ||
319 | // Initrd | |
320 | Print (L"Initrd name: "); | |
321 | Status = EditHIInputStr (Initrd, MAX_STR_INPUT); | |
322 | if (EFI_ERROR(Status)) { | |
323 | return Status; | |
324 | } | |
325 | ||
326 | CmdLineLength = AsciiStrLen (CmdLine); | |
327 | if (CmdLineLength > 0) { | |
328 | CmdLineLength += sizeof(CHAR8); | |
329 | } | |
330 | ||
331 | InitrdPathListLength = StrLen (Initrd) * sizeof(CHAR16); | |
332 | if (InitrdPathListLength > 0) { | |
333 | InitrdPathListLength += sizeof(CHAR16); | |
334 | } | |
335 | ||
336 | BdsLoadOption->OptionalDataSize = sizeof(LINUX_LOADER_OPTIONAL_DATA) + CmdLineLength + InitrdPathListLength; | |
337 | ||
338 | LinuxOptionalData = (LINUX_LOADER_OPTIONAL_DATA*)AllocatePool (BdsLoadOption->OptionalDataSize); | |
339 | BdsLoadOption->OptionalData = LinuxOptionalData; | |
340 | ||
341 | LinuxOptionalData->Signature = LINUX_LOADER_SIGNATURE; | |
342 | LinuxOptionalData->CmdLineLength = CmdLineLength; | |
343 | LinuxOptionalData->InitrdPathListLength = InitrdPathListLength; | |
344 | ||
345 | if (CmdLineLength > 0) { | |
346 | CopyMem (LinuxOptionalData + 1, CmdLine, CmdLineLength); | |
347 | } | |
348 | if (InitrdPathListLength > 0) { | |
349 | CopyMem ((UINT8*)(LinuxOptionalData + 1) + CmdLineLength, Initrd, InitrdPathListLength); | |
350 | } | |
351 | ||
352 | // Create or Update the boot entry | |
353 | Status = BootOptionToLoadOptionVariable (BdsLoadOption); | |
354 | ||
355 | return Status; | |
356 | } |