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ea46ebbe | 1 | /** @file\r |
2 | *\r | |
c3b6d975 | 3 | * Copyright (c) 2011-2014, ARM Limited. All rights reserved.\r |
ea46ebbe | 4 | *\r |
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 | |
12 | *\r | |
13 | **/\r | |
14 | \r | |
c0b2e477 | 15 | #include <Guid/ArmGlobalVariableHob.h>\r |
ea46ebbe | 16 | #include "BdsInternal.h"\r |
17 | \r | |
ea46ebbe | 18 | EFI_STATUS\r |
19 | BootOptionStart (\r | |
20 | IN BDS_LOAD_OPTION *BootOption\r | |
21 | )\r | |
22 | {\r | |
c60ea9a8 | 23 | EFI_STATUS Status;\r |
c60ea9a8 | 24 | UINT32 LoaderType;\r |
2ccfb71e | 25 | ARM_BDS_LOADER_OPTIONAL_DATA* OptionalData;\r |
26 | ARM_BDS_LINUX_ARGUMENTS* LinuxArguments;\r | |
2ccfb71e | 27 | UINTN CmdLineSize;\r |
28 | UINTN InitrdSize;\r | |
29 | EFI_DEVICE_PATH* Initrd;\r | |
91213ad3 | 30 | UINT16 LoadOptionIndexSize;\r |
2ccfb71e | 31 | \r |
a6e97d28 | 32 | if (IS_ARM_BDS_BOOTENTRY (BootOption)) {\r |
2ccfb71e | 33 | Status = EFI_UNSUPPORTED;\r |
34 | OptionalData = BootOption->OptionalData;\r | |
35 | LoaderType = ReadUnaligned32 ((CONST UINT32*)&OptionalData->Header.LoaderType);\r | |
36 | \r | |
37 | if (LoaderType == BDS_LOADER_EFI_APPLICATION) {\r | |
5c670b21 | 38 | if ((BootOption->Attributes & LOAD_OPTION_CATEGORY) == LOAD_OPTION_CATEGORY_APP) {\r |
4c8bb1eb OM |
39 | // Need to connect every drivers to ensure no dependencies are missing for the application\r |
40 | BdsConnectAllDrivers ();\r | |
41 | }\r | |
2ccfb71e | 42 | \r |
c3b6d975 | 43 | Status = BdsStartEfiApplication (gImageHandle, BootOption->FilePathList, 0, NULL);\r |
2ccfb71e | 44 | } else if (LoaderType == BDS_LOADER_KERNEL_LINUX_ATAG) {\r |
45 | LinuxArguments = &(OptionalData->Arguments.LinuxArguments);\r | |
46 | CmdLineSize = ReadUnaligned16 ((CONST UINT16*)&LinuxArguments->CmdLineSize);\r | |
47 | InitrdSize = ReadUnaligned16 ((CONST UINT16*)&LinuxArguments->InitrdSize);\r | |
48 | \r | |
49 | if (InitrdSize > 0) {\r | |
50 | Initrd = GetAlignedDevicePath ((EFI_DEVICE_PATH*)((UINTN)(LinuxArguments + 1) + CmdLineSize));\r | |
51 | } else {\r | |
52 | Initrd = NULL;\r | |
53 | }\r | |
ea46ebbe | 54 | \r |
76d17c31 | 55 | Status = BdsBootLinuxAtag (BootOption->FilePathList,\r |
2ccfb71e | 56 | Initrd, // Initrd\r |
76d17c31 | 57 | (CHAR8*)(LinuxArguments + 1)); // CmdLine\r |
2ccfb71e | 58 | } else if (LoaderType == BDS_LOADER_KERNEL_LINUX_FDT) {\r |
59 | LinuxArguments = &(OptionalData->Arguments.LinuxArguments);\r | |
60 | CmdLineSize = ReadUnaligned16 ((CONST UINT16*)&LinuxArguments->CmdLineSize);\r | |
61 | InitrdSize = ReadUnaligned16 ((CONST UINT16*)&LinuxArguments->InitrdSize);\r | |
62 | \r | |
63 | if (InitrdSize > 0) {\r | |
64 | Initrd = GetAlignedDevicePath ((EFI_DEVICE_PATH*)((UINTN)(LinuxArguments + 1) + CmdLineSize));\r | |
65 | } else {\r | |
66 | Initrd = NULL;\r | |
67 | }\r | |
6332ffb0 RC |
68 | Status = BdsBootLinuxFdt (\r |
69 | BootOption->FilePathList,\r | |
70 | Initrd,\r | |
71 | (CHAR8*)(LinuxArguments + 1)\r | |
72 | );\r | |
a6e97d28 | 73 | }\r |
74 | } else {\r | |
4c8bb1eb | 75 | // Connect all the drivers if the EFI Application is not a EFI OS Loader\r |
5c670b21 | 76 | if ((BootOption->Attributes & LOAD_OPTION_CATEGORY) == LOAD_OPTION_CATEGORY_APP) {\r |
4c8bb1eb OM |
77 | BdsConnectAllDrivers ();\r |
78 | }\r | |
79 | \r | |
91213ad3 | 80 | // Set BootCurrent variable\r |
81 | LoadOptionIndexSize = sizeof(UINT16);\r | |
82 | gRT->SetVariable (L"BootCurrent", &gEfiGlobalVariableGuid,\r | |
83 | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r | |
84 | LoadOptionIndexSize, &(BootOption->LoadOptionIndex));\r | |
85 | \r | |
c3b6d975 | 86 | Status = BdsStartEfiApplication (gImageHandle, BootOption->FilePathList, BootOption->OptionalDataSize, BootOption->OptionalData);\r |
91213ad3 | 87 | \r |
88 | // Clear BootCurrent variable\r | |
89 | LoadOptionIndexSize = sizeof(UINT16);\r | |
90 | gRT->SetVariable (L"BootCurrent", &gEfiGlobalVariableGuid,\r | |
91 | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r | |
92 | 0, NULL);\r | |
a6e97d28 | 93 | }\r |
ea46ebbe | 94 | \r |
95 | return Status;\r | |
96 | }\r | |
97 | \r | |
ea46ebbe | 98 | EFI_STATUS\r |
99 | BootOptionList (\r | |
100 | IN OUT LIST_ENTRY *BootOptionList\r | |
101 | )\r | |
102 | {\r | |
a6e97d28 | 103 | EFI_STATUS Status;\r |
104 | UINTN Index;\r | |
105 | UINT16* BootOrder;\r | |
106 | UINTN BootOrderSize;\r | |
107 | BDS_LOAD_OPTION* BdsLoadOption;\r | |
108 | BDS_LOAD_OPTION_ENTRY* BdsLoadOptionEntry;\r | |
ea46ebbe | 109 | \r |
110 | InitializeListHead (BootOptionList);\r | |
111 | \r | |
112 | // Get the Boot Option Order from the environment variable\r | |
c0b2e477 | 113 | Status = GetGlobalEnvironmentVariable (L"BootOrder", NULL, &BootOrderSize, (VOID**)&BootOrder);\r |
ea46ebbe | 114 | if (EFI_ERROR(Status)) {\r |
115 | return Status;\r | |
116 | }\r | |
117 | \r | |
118 | for (Index = 0; Index < BootOrderSize / sizeof (UINT16); Index++) {\r | |
4aa24170 | 119 | Status = BootOptionFromLoadOptionIndex (BootOrder[Index], &BdsLoadOption);\r |
ea46ebbe | 120 | if (!EFI_ERROR(Status)) {\r |
a6e97d28 | 121 | BdsLoadOptionEntry = (BDS_LOAD_OPTION_ENTRY*)AllocatePool(sizeof(BDS_LOAD_OPTION_ENTRY));\r |
122 | BdsLoadOptionEntry->BdsLoadOption = BdsLoadOption;\r | |
123 | InsertTailList (BootOptionList,&BdsLoadOptionEntry->Link);\r | |
ea46ebbe | 124 | }\r |
125 | }\r | |
126 | \r | |
b148591a | 127 | FreePool (BootOrder);\r |
128 | \r | |
ea46ebbe | 129 | return EFI_SUCCESS;\r |
130 | }\r | |
131 | \r | |
ea46ebbe | 132 | STATIC\r |
133 | EFI_STATUS\r | |
134 | BootOptionSetFields (\r | |
c60ea9a8 | 135 | IN BDS_LOAD_OPTION* BootOption,\r |
136 | IN UINT32 Attributes,\r | |
137 | IN CHAR16* BootDescription,\r | |
138 | IN EFI_DEVICE_PATH_PROTOCOL* DevicePath,\r | |
2ccfb71e | 139 | IN ARM_BDS_LOADER_TYPE BootType,\r |
90a44ec4 OM |
140 | IN UINT8* OptionalData,\r |
141 | IN UINTN OptionalDataSize\r | |
ea46ebbe | 142 | )\r |
143 | {\r | |
459823d9 | 144 | EFI_LOAD_OPTION *EfiLoadOption;\r |
2ccfb71e | 145 | UINTN EfiLoadOptionSize;\r |
146 | UINTN BootDescriptionSize;\r | |
2ccfb71e | 147 | UINT16 FilePathListLength;\r |
148 | UINT8* EfiLoadOptionPtr;\r | |
149 | UINT8* InitrdPathListPtr;\r | |
2ccfb71e | 150 | ARM_BDS_LINUX_ARGUMENTS* DestLinuxArguments;\r |
151 | ARM_BDS_LINUX_ARGUMENTS* SrcLinuxArguments;\r | |
90a44ec4 | 152 | ARM_BDS_LOADER_ARGUMENTS* BootArguments;\r |
ea46ebbe | 153 | \r |
154 | // If we are overwriting an existent Boot Option then we have to free previously allocated memory\r | |
155 | if (BootOption->LoadOption) {\r | |
90a44ec4 | 156 | FreePool (BootOption->LoadOption);\r |
ea46ebbe | 157 | }\r |
158 | \r | |
2ccfb71e | 159 | BootDescriptionSize = StrSize (BootDescription);\r |
90a44ec4 OM |
160 | \r |
161 | // Fixup the size in case of entry specific to ArmPlatformPkg/Bds\r | |
2ccfb71e | 162 | if ((BootType == BDS_LOADER_KERNEL_LINUX_ATAG) || (BootType == BDS_LOADER_KERNEL_LINUX_FDT)) {\r |
90a44ec4 | 163 | OptionalDataSize += sizeof(ARM_BDS_LOADER_OPTIONAL_DATA_HEADER);\r |
2ccfb71e | 164 | }\r |
ea46ebbe | 165 | \r |
166 | // Compute the size of the FilePath list\r | |
2ccfb71e | 167 | FilePathListLength = GetUnalignedDevicePathSize (DevicePath);\r |
656416bc | 168 | \r |
ea46ebbe | 169 | // Allocate the memory for the EFI Load Option\r |
90a44ec4 | 170 | EfiLoadOptionSize = sizeof(UINT32) + sizeof(UINT16) + BootDescriptionSize + FilePathListLength + OptionalDataSize;\r |
459823d9 AB |
171 | EfiLoadOption = (EFI_LOAD_OPTION *)AllocatePool(EfiLoadOptionSize);\r |
172 | EfiLoadOptionPtr = (UINT8 *)EfiLoadOption;\r | |
ea46ebbe | 173 | \r |
174 | //\r | |
175 | // Populate the EFI Load Option and BDS Boot Option structures\r | |
176 | //\r | |
177 | \r | |
178 | // Attributes fields\r | |
179 | BootOption->Attributes = Attributes;\r | |
180 | *(UINT32*)EfiLoadOptionPtr = Attributes;\r | |
181 | EfiLoadOptionPtr += sizeof(UINT32);\r | |
182 | \r | |
183 | // FilePath List fields\r | |
184 | BootOption->FilePathListLength = FilePathListLength;\r | |
185 | *(UINT16*)EfiLoadOptionPtr = FilePathListLength;\r | |
186 | EfiLoadOptionPtr += sizeof(UINT16);\r | |
187 | \r | |
188 | // Boot description fields\r | |
189 | BootOption->Description = (CHAR16*)EfiLoadOptionPtr;\r | |
190 | CopyMem (EfiLoadOptionPtr, BootDescription, BootDescriptionSize);\r | |
191 | EfiLoadOptionPtr += BootDescriptionSize;\r | |
192 | \r | |
193 | // File path fields\r | |
194 | BootOption->FilePathList = (EFI_DEVICE_PATH_PROTOCOL*)EfiLoadOptionPtr;\r | |
2ccfb71e | 195 | CopyMem (EfiLoadOptionPtr, DevicePath, FilePathListLength);\r |
196 | EfiLoadOptionPtr += FilePathListLength;\r | |
ea46ebbe | 197 | \r |
198 | // Optional Data fields, Do unaligned writes\r | |
2ccfb71e | 199 | BootOption->OptionalData = EfiLoadOptionPtr;\r |
ea46ebbe | 200 | \r |
2ccfb71e | 201 | if ((BootType == BDS_LOADER_KERNEL_LINUX_ATAG) || (BootType == BDS_LOADER_KERNEL_LINUX_FDT)) {\r |
90a44ec4 OM |
202 | // Write the header\r |
203 | WriteUnaligned32 ((UINT32 *)EfiLoadOptionPtr, ARM_BDS_OPTIONAL_DATA_SIGNATURE);\r | |
204 | WriteUnaligned32 ((UINT32 *)(EfiLoadOptionPtr + 4), BootType);\r | |
205 | \r | |
b4c22265 OM |
206 | // OptionalData should have been initialized by the caller of this function\r |
207 | ASSERT (OptionalData != NULL);\r | |
90a44ec4 | 208 | BootArguments = (ARM_BDS_LOADER_ARGUMENTS*)OptionalData;\r |
2ccfb71e | 209 | SrcLinuxArguments = &(BootArguments->LinuxArguments);\r |
210 | DestLinuxArguments = &((ARM_BDS_LOADER_OPTIONAL_DATA*)EfiLoadOptionPtr)->Arguments.LinuxArguments;\r | |
656416bc | 211 | \r |
2ccfb71e | 212 | WriteUnaligned16 ((UINT16 *)&(DestLinuxArguments->CmdLineSize), SrcLinuxArguments->CmdLineSize);\r |
213 | WriteUnaligned16 ((UINT16 *)&(DestLinuxArguments->InitrdSize), SrcLinuxArguments->InitrdSize);\r | |
656416bc | 214 | \r |
2ccfb71e | 215 | if (SrcLinuxArguments->CmdLineSize > 0) {\r |
216 | CopyMem ((VOID*)(DestLinuxArguments + 1), (VOID*)(SrcLinuxArguments + 1), SrcLinuxArguments->CmdLineSize);\r | |
2ccfb71e | 217 | }\r |
656416bc | 218 | \r |
2ccfb71e | 219 | if (SrcLinuxArguments->InitrdSize > 0) {\r |
220 | InitrdPathListPtr = (UINT8*)((UINTN)(DestLinuxArguments + 1) + SrcLinuxArguments->CmdLineSize);\r | |
221 | CopyMem (InitrdPathListPtr, (VOID*)((UINTN)(SrcLinuxArguments + 1) + SrcLinuxArguments->CmdLineSize), SrcLinuxArguments->InitrdSize);\r | |
656416bc | 222 | }\r |
90a44ec4 | 223 | } else {\r |
b4c22265 OM |
224 | if (OptionalData != NULL) {\r |
225 | CopyMem (BootOption->OptionalData, OptionalData, OptionalDataSize);\r | |
226 | }\r | |
656416bc | 227 | }\r |
2ccfb71e | 228 | BootOption->OptionalDataSize = OptionalDataSize;\r |
229 | \r | |
6bab33c7 | 230 | // If this function is called at the creation of the Boot Device entry (not at the update) the\r |
231 | // BootOption->LoadOptionSize must be zero then we get a new BootIndex for this entry\r | |
232 | if (BootOption->LoadOptionSize == 0) {\r | |
2ccfb71e | 233 | BootOption->LoadOptionIndex = BootOptionAllocateBootIndex ();\r |
6bab33c7 | 234 | }\r |
235 | \r | |
ea46ebbe | 236 | // Fill the EFI Load option fields\r |
ea46ebbe | 237 | BootOption->LoadOption = EfiLoadOption;\r |
238 | BootOption->LoadOptionSize = EfiLoadOptionSize;\r | |
239 | \r | |
240 | return EFI_SUCCESS;\r | |
241 | }\r | |
242 | \r | |
243 | EFI_STATUS\r | |
244 | BootOptionCreate (\r | |
c60ea9a8 | 245 | IN UINT32 Attributes,\r |
246 | IN CHAR16* BootDescription,\r | |
ea46ebbe | 247 | IN EFI_DEVICE_PATH_PROTOCOL* DevicePath,\r |
2ccfb71e | 248 | IN ARM_BDS_LOADER_TYPE BootType,\r |
90a44ec4 OM |
249 | IN UINT8* OptionalData,\r |
250 | IN UINTN OptionalDataSize,\r | |
a6e97d28 | 251 | OUT BDS_LOAD_OPTION** BdsLoadOption\r |
ea46ebbe | 252 | )\r |
253 | {\r | |
a6e97d28 | 254 | EFI_STATUS Status;\r |
255 | BDS_LOAD_OPTION_ENTRY* BootOptionEntry;\r | |
256 | BDS_LOAD_OPTION* BootOption;\r | |
257 | CHAR16 BootVariableName[9];\r | |
258 | UINT16* BootOrder;\r | |
259 | UINTN BootOrderSize;\r | |
ea46ebbe | 260 | \r |
261 | //\r | |
262 | // Allocate and fill the memory for the BDS Load Option structure\r | |
263 | //\r | |
a6e97d28 | 264 | BootOptionEntry = (BDS_LOAD_OPTION_ENTRY*)AllocatePool (sizeof (BDS_LOAD_OPTION_ENTRY));\r |
265 | InitializeListHead (&BootOptionEntry->Link);\r | |
266 | BootOptionEntry->BdsLoadOption = (BDS_LOAD_OPTION*)AllocateZeroPool (sizeof(BDS_LOAD_OPTION));\r | |
ea46ebbe | 267 | \r |
a6e97d28 | 268 | BootOption = BootOptionEntry->BdsLoadOption;\r |
90a44ec4 | 269 | BootOptionSetFields (BootOption, Attributes, BootDescription, DevicePath, BootType, OptionalData, OptionalDataSize);\r |
ea46ebbe | 270 | \r |
271 | //\r | |
272 | // Set the related environment variables\r | |
273 | //\r | |
274 | \r | |
275 | // Create Boot#### environment variable\r | |
276 | UnicodeSPrint (BootVariableName, 9 * sizeof(CHAR16), L"Boot%04X", BootOption->LoadOptionIndex);\r | |
277 | Status = gRT->SetVariable (\r | |
278 | BootVariableName,\r | |
279 | &gEfiGlobalVariableGuid,\r | |
280 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r | |
281 | BootOption->LoadOptionSize,\r | |
282 | BootOption->LoadOption\r | |
283 | );\r | |
284 | \r | |
285 | // Add the new Boot Index to the list\r | |
c0b2e477 | 286 | Status = GetGlobalEnvironmentVariable (L"BootOrder", NULL, &BootOrderSize, (VOID**)&BootOrder);\r |
ea46ebbe | 287 | if (!EFI_ERROR(Status)) {\r |
288 | BootOrder = ReallocatePool (BootOrderSize, BootOrderSize + sizeof(UINT16), BootOrder);\r | |
289 | // Add the new index at the end\r | |
290 | BootOrder[BootOrderSize / sizeof(UINT16)] = BootOption->LoadOptionIndex;\r | |
291 | BootOrderSize += sizeof(UINT16);\r | |
292 | } else {\r | |
293 | // BootOrder does not exist. Create it\r | |
294 | BootOrderSize = sizeof(UINT16);\r | |
295 | BootOrder = &(BootOption->LoadOptionIndex);\r | |
296 | }\r | |
297 | \r | |
298 | // Update (or Create) the BootOrder environment variable\r | |
299 | Status = gRT->SetVariable (\r | |
300 | L"BootOrder",\r | |
301 | &gEfiGlobalVariableGuid,\r | |
302 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r | |
303 | BootOrderSize,\r | |
304 | BootOrder\r | |
305 | );\r | |
306 | \r | |
b148591a | 307 | // We only free it if the UEFI Variable 'BootOrder' was already existing\r |
308 | if (BootOrderSize > sizeof(UINT16)) {\r | |
309 | FreePool (BootOrder);\r | |
310 | }\r | |
311 | \r | |
ea46ebbe | 312 | *BdsLoadOption = BootOption;\r |
313 | return Status;\r | |
314 | }\r | |
315 | \r | |
316 | EFI_STATUS\r | |
317 | BootOptionUpdate (\r | |
2ccfb71e | 318 | IN BDS_LOAD_OPTION* BdsLoadOption,\r |
319 | IN UINT32 Attributes,\r | |
320 | IN CHAR16* BootDescription,\r | |
ea46ebbe | 321 | IN EFI_DEVICE_PATH_PROTOCOL* DevicePath,\r |
2ccfb71e | 322 | IN ARM_BDS_LOADER_TYPE BootType,\r |
90a44ec4 OM |
323 | IN UINT8* OptionalData,\r |
324 | IN UINTN OptionalDataSize\r | |
ea46ebbe | 325 | )\r |
326 | {\r | |
327 | EFI_STATUS Status;\r | |
ea46ebbe | 328 | CHAR16 BootVariableName[9];\r |
329 | \r | |
330 | // Update the BDS Load Option structure\r | |
90a44ec4 | 331 | BootOptionSetFields (BdsLoadOption, Attributes, BootDescription, DevicePath, BootType, OptionalData, OptionalDataSize);\r |
ea46ebbe | 332 | \r |
333 | // Update the related environment variables\r | |
6bab33c7 | 334 | UnicodeSPrint (BootVariableName, 9 * sizeof(CHAR16), L"Boot%04X", BdsLoadOption->LoadOptionIndex);\r |
335 | \r | |
ea46ebbe | 336 | Status = gRT->SetVariable (\r |
337 | BootVariableName,\r | |
338 | &gEfiGlobalVariableGuid,\r | |
339 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r | |
6bab33c7 | 340 | BdsLoadOption->LoadOptionSize,\r |
341 | BdsLoadOption->LoadOption\r | |
ea46ebbe | 342 | );\r |
343 | \r | |
344 | return Status;\r | |
345 | }\r | |
346 | \r | |
347 | EFI_STATUS\r | |
348 | BootOptionDelete (\r | |
349 | IN BDS_LOAD_OPTION *BootOption\r | |
350 | )\r | |
351 | {\r | |
a6e97d28 | 352 | UINTN Index;\r |
353 | UINTN BootOrderSize;\r | |
354 | UINT16* BootOrder;\r | |
355 | UINTN BootOrderCount;\r | |
c41bffd3 | 356 | CHAR16 BootVariableName[9];\r |
a6e97d28 | 357 | EFI_STATUS Status;\r |
ea46ebbe | 358 | \r |
359 | // Remove the entry from the BootOrder environment variable\r | |
c0b2e477 | 360 | Status = GetGlobalEnvironmentVariable (L"BootOrder", NULL, &BootOrderSize, (VOID**)&BootOrder);\r |
ea46ebbe | 361 | if (!EFI_ERROR(Status)) {\r |
362 | BootOrderCount = BootOrderSize / sizeof(UINT16);\r | |
363 | \r | |
364 | // Find the index of the removed entry\r | |
365 | for (Index = 0; Index < BootOrderCount; Index++) {\r | |
366 | if (BootOrder[Index] == BootOption->LoadOptionIndex) {\r | |
367 | // If it the last entry we do not need to rearrange the BootOrder list\r | |
368 | if (Index + 1 != BootOrderCount) {\r | |
9127a094 | 369 | CopyMem (\r |
370 | &BootOrder[Index],\r | |
371 | &BootOrder[Index + 1],\r | |
372 | (BootOrderCount - (Index + 1)) * sizeof(UINT16)\r | |
373 | );\r | |
ea46ebbe | 374 | }\r |
375 | break;\r | |
376 | }\r | |
377 | }\r | |
378 | \r | |
379 | // Update the BootOrder environment variable\r | |
380 | Status = gRT->SetVariable (\r | |
381 | L"BootOrder",\r | |
382 | &gEfiGlobalVariableGuid,\r | |
383 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r | |
384 | BootOrderSize - sizeof(UINT16),\r | |
385 | BootOrder\r | |
386 | );\r | |
387 | }\r | |
388 | \r | |
c41bffd3 HL |
389 | // Delete Boot#### environment variable\r |
390 | UnicodeSPrint (BootVariableName, 9 * sizeof(CHAR16), L"Boot%04X", BootOption->LoadOptionIndex);\r | |
391 | Status = gRT->SetVariable (\r | |
392 | BootVariableName,\r | |
393 | &gEfiGlobalVariableGuid,\r | |
394 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r | |
395 | 0,\r | |
396 | NULL\r | |
397 | );\r | |
398 | \r | |
b148591a | 399 | FreePool (BootOrder);\r |
400 | \r | |
c41bffd3 | 401 | return Status;\r |
ea46ebbe | 402 | }\r |