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MdePkg: fix ARM version of InternalMathSwapBytes64 ()
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1/** @file\r
2*\r
3* Copyright (c) 2011-2014, ARM Limited. All rights reserved.\r
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
15#include "BdsInternal.h"\r
16\r
17#include <Library/PcdLib.h>\r
18#include <Library/PerformanceLib.h>\r
19\r
20#include <Protocol/Bds.h>\r
21\r
22#include <Guid/EventGroup.h>\r
23\r
24#define EFI_SET_TIMER_TO_SECOND 10000000\r
25\r
26STATIC\r
27EFI_STATUS\r
28GetConsoleDevicePathFromVariable (\r
29 IN CHAR16* ConsoleVarName,\r
30 IN CHAR16* DefaultConsolePaths,\r
31 OUT EFI_DEVICE_PATH** DevicePaths\r
32 )\r
33{\r
34 EFI_STATUS Status;\r
35 UINTN Size;\r
36 EFI_DEVICE_PATH_PROTOCOL* DevicePathInstances;\r
37 EFI_DEVICE_PATH_PROTOCOL* DevicePathInstance;\r
38 CHAR16* DevicePathStr;\r
39 CHAR16* NextDevicePathStr;\r
40 EFI_DEVICE_PATH_FROM_TEXT_PROTOCOL *EfiDevicePathFromTextProtocol;\r
41\r
42 Status = GetGlobalEnvironmentVariable (ConsoleVarName, NULL, NULL, (VOID**)&DevicePathInstances);\r
43 if (EFI_ERROR(Status)) {\r
44 // In case no default console device path has been defined we assume a driver handles the console (eg: SimpleTextInOutSerial)\r
45 if ((DefaultConsolePaths == NULL) || (DefaultConsolePaths[0] == L'\0')) {\r
46 *DevicePaths = NULL;\r
47 return EFI_SUCCESS;\r
48 }\r
49\r
50 Status = gBS->LocateProtocol (&gEfiDevicePathFromTextProtocolGuid, NULL, (VOID **)&EfiDevicePathFromTextProtocol);\r
51 ASSERT_EFI_ERROR(Status);\r
52\r
53 DevicePathInstances = NULL;\r
54\r
55 // Extract the Device Path instances from the multi-device path string\r
56 while ((DefaultConsolePaths != NULL) && (DefaultConsolePaths[0] != L'\0')) {\r
57 NextDevicePathStr = StrStr (DefaultConsolePaths, L";");\r
58 if (NextDevicePathStr == NULL) {\r
59 DevicePathStr = DefaultConsolePaths;\r
60 DefaultConsolePaths = NULL;\r
61 } else {\r
62 DevicePathStr = (CHAR16*)AllocateCopyPool ((NextDevicePathStr - DefaultConsolePaths + 1) * sizeof(CHAR16), DefaultConsolePaths);\r
63 *(DevicePathStr + (NextDevicePathStr - DefaultConsolePaths)) = L'\0';\r
64 DefaultConsolePaths = NextDevicePathStr;\r
65 if (DefaultConsolePaths[0] == L';') {\r
66 DefaultConsolePaths++;\r
67 }\r
68 }\r
69\r
70 DevicePathInstance = EfiDevicePathFromTextProtocol->ConvertTextToDevicePath (DevicePathStr);\r
71 ASSERT(DevicePathInstance != NULL);\r
72 DevicePathInstances = AppendDevicePathInstance (DevicePathInstances, DevicePathInstance);\r
73\r
74 if (NextDevicePathStr != NULL) {\r
75 FreePool (DevicePathStr);\r
76 }\r
77 FreePool (DevicePathInstance);\r
78 }\r
79\r
80 // Set the environment variable with this device path multi-instances\r
81 Size = GetDevicePathSize (DevicePathInstances);\r
82 if (Size > 0) {\r
83 gRT->SetVariable (\r
84 ConsoleVarName,\r
85 &gEfiGlobalVariableGuid,\r
86 EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r
87 Size,\r
88 DevicePathInstances\r
89 );\r
90 } else {\r
91 Status = EFI_INVALID_PARAMETER;\r
92 }\r
93 }\r
94\r
95 if (!EFI_ERROR(Status)) {\r
96 *DevicePaths = DevicePathInstances;\r
97 }\r
98 return Status;\r
99}\r
100\r
101STATIC\r
102EFI_STATUS\r
103InitializeConsolePipe (\r
104 IN EFI_DEVICE_PATH *ConsoleDevicePaths,\r
105 IN EFI_GUID *Protocol,\r
106 OUT EFI_HANDLE *Handle,\r
107 OUT VOID* *Interface\r
108 )\r
109{\r
110 EFI_STATUS Status;\r
111 UINTN Size;\r
112 UINTN NoHandles;\r
113 EFI_HANDLE *Buffer;\r
114 EFI_DEVICE_PATH_PROTOCOL* DevicePath;\r
115\r
116 // Connect all the Device Path Consoles\r
117 while (ConsoleDevicePaths != NULL) {\r
118 DevicePath = GetNextDevicePathInstance (&ConsoleDevicePaths, &Size);\r
119\r
120 Status = BdsConnectDevicePath (DevicePath, Handle, NULL);\r
121 DEBUG_CODE_BEGIN();\r
122 if (EFI_ERROR(Status)) {\r
123 // We convert back to the text representation of the device Path\r
124 EFI_DEVICE_PATH_TO_TEXT_PROTOCOL* DevicePathToTextProtocol;\r
125 CHAR16* DevicePathTxt;\r
126 EFI_STATUS Status;\r
127\r
128 Status = gBS->LocateProtocol(&gEfiDevicePathToTextProtocolGuid, NULL, (VOID **)&DevicePathToTextProtocol);\r
129 if (!EFI_ERROR(Status)) {\r
130 DevicePathTxt = DevicePathToTextProtocol->ConvertDevicePathToText (DevicePath, TRUE, TRUE);\r
131\r
132 DEBUG((EFI_D_ERROR,"Fail to start the console with the Device Path '%s'. (Error '%r')\n", DevicePathTxt, Status));\r
133\r
134 FreePool (DevicePathTxt);\r
135 }\r
136 }\r
137 DEBUG_CODE_END();\r
138\r
139 // If the console splitter driver is not supported by the platform then use the first Device Path\r
140 // instance for the console interface.\r
141 if (!EFI_ERROR(Status) && (*Interface == NULL)) {\r
142 Status = gBS->HandleProtocol (*Handle, Protocol, Interface);\r
143 }\r
144 }\r
145\r
146 // No Device Path has been defined for this console interface. We take the first protocol implementation\r
147 if (*Interface == NULL) {\r
148 Status = gBS->LocateHandleBuffer (ByProtocol, Protocol, NULL, &NoHandles, &Buffer);\r
149 if (EFI_ERROR (Status)) {\r
150 BdsConnectAllDrivers();\r
151 Status = gBS->LocateHandleBuffer (ByProtocol, Protocol, NULL, &NoHandles, &Buffer);\r
152 }\r
153\r
154 if (!EFI_ERROR(Status)) {\r
155 *Handle = Buffer[0];\r
156 Status = gBS->HandleProtocol (*Handle, Protocol, Interface);\r
157 ASSERT_EFI_ERROR(Status);\r
158 }\r
159 FreePool (Buffer);\r
160 } else {\r
161 Status = EFI_SUCCESS;\r
162 }\r
163\r
164 return Status;\r
165}\r
166\r
167EFI_STATUS\r
168InitializeConsole (\r
169 VOID\r
170 )\r
171{\r
172 EFI_STATUS Status;\r
173 EFI_DEVICE_PATH* ConOutDevicePaths;\r
174 EFI_DEVICE_PATH* ConInDevicePaths;\r
175 EFI_DEVICE_PATH* ConErrDevicePaths;\r
176\r
177 // By getting the Console Device Paths from the environment variables before initializing the console pipe, we\r
178 // create the 3 environment variables (ConIn, ConOut, ConErr) that allows to initialize all the console interface\r
179 // of newly installed console drivers\r
180 Status = GetConsoleDevicePathFromVariable (L"ConOut", (CHAR16*)PcdGetPtr(PcdDefaultConOutPaths), &ConOutDevicePaths);\r
181 ASSERT_EFI_ERROR (Status);\r
182 Status = GetConsoleDevicePathFromVariable (L"ConIn", (CHAR16*)PcdGetPtr(PcdDefaultConInPaths), &ConInDevicePaths);\r
183 ASSERT_EFI_ERROR (Status);\r
184 Status = GetConsoleDevicePathFromVariable (L"ErrOut", (CHAR16*)PcdGetPtr(PcdDefaultConOutPaths), &ConErrDevicePaths);\r
185 ASSERT_EFI_ERROR (Status);\r
186\r
187 // Initialize the Consoles\r
188 Status = InitializeConsolePipe (ConOutDevicePaths, &gEfiSimpleTextOutProtocolGuid, &gST->ConsoleOutHandle, (VOID **)&gST->ConOut);\r
189 ASSERT_EFI_ERROR (Status);\r
190 Status = InitializeConsolePipe (ConInDevicePaths, &gEfiSimpleTextInProtocolGuid, &gST->ConsoleInHandle, (VOID **)&gST->ConIn);\r
191 ASSERT_EFI_ERROR (Status);\r
192 Status = InitializeConsolePipe (ConErrDevicePaths, &gEfiSimpleTextOutProtocolGuid, &gST->StandardErrorHandle, (VOID **)&gST->StdErr);\r
193 if (EFI_ERROR(Status)) {\r
194 // In case of error, we reuse the console output for the error output\r
195 gST->StandardErrorHandle = gST->ConsoleOutHandle;\r
196 gST->StdErr = gST->ConOut;\r
197 }\r
198\r
199 // Free Memory allocated for reading the UEFI Variables\r
200 if (ConOutDevicePaths) {\r
201 FreePool (ConOutDevicePaths);\r
202 }\r
203 if (ConInDevicePaths) {\r
204 FreePool (ConInDevicePaths);\r
205 }\r
206 if (ConErrDevicePaths) {\r
207 FreePool (ConErrDevicePaths);\r
208 }\r
209\r
210 return EFI_SUCCESS;\r
211}\r
212\r
213EFI_STATUS\r
214DefineDefaultBootEntries (\r
215 VOID\r
216 )\r
217{\r
218 BDS_LOAD_OPTION* BdsLoadOption;\r
219 UINTN Size;\r
220 EFI_STATUS Status;\r
221 EFI_DEVICE_PATH_FROM_TEXT_PROTOCOL* EfiDevicePathFromTextProtocol;\r
222 EFI_DEVICE_PATH* BootDevicePath;\r
223 UINT8* OptionalData;\r
224 UINTN OptionalDataSize;\r
225 ARM_BDS_LOADER_ARGUMENTS* BootArguments;\r
226 ARM_BDS_LOADER_TYPE BootType;\r
227 EFI_DEVICE_PATH* InitrdPath;\r
228 UINTN InitrdSize;\r
229 UINTN CmdLineSize;\r
230 UINTN CmdLineAsciiSize;\r
231 CHAR16* DefaultBootArgument;\r
232 CHAR8* AsciiDefaultBootArgument;\r
233\r
234 //\r
235 // If Boot Order does not exist then create a default entry\r
236 //\r
237 Size = 0;\r
238 Status = gRT->GetVariable (L"BootOrder", &gEfiGlobalVariableGuid, NULL, &Size, NULL);\r
239 if (Status == EFI_NOT_FOUND) {\r
240 if ((PcdGetPtr(PcdDefaultBootDevicePath) == NULL) || (StrLen ((CHAR16*)PcdGetPtr(PcdDefaultBootDevicePath)) == 0)) {\r
241 return EFI_UNSUPPORTED;\r
242 }\r
243\r
244 Status = gBS->LocateProtocol (&gEfiDevicePathFromTextProtocolGuid, NULL, (VOID **)&EfiDevicePathFromTextProtocol);\r
245 if (EFI_ERROR(Status)) {\r
246 // You must provide an implementation of DevicePathFromTextProtocol in your firmware (eg: DevicePathDxe)\r
247 DEBUG((EFI_D_ERROR,"Error: Bds requires DevicePathFromTextProtocol\n"));\r
248 return Status;\r
249 }\r
250 BootDevicePath = EfiDevicePathFromTextProtocol->ConvertTextToDevicePath ((CHAR16*)PcdGetPtr(PcdDefaultBootDevicePath));\r
251\r
252 DEBUG_CODE_BEGIN();\r
253 // We convert back to the text representation of the device Path to see if the initial text is correct\r
254 EFI_DEVICE_PATH_TO_TEXT_PROTOCOL* DevicePathToTextProtocol;\r
255 CHAR16* DevicePathTxt;\r
256\r
257 Status = gBS->LocateProtocol(&gEfiDevicePathToTextProtocolGuid, NULL, (VOID **)&DevicePathToTextProtocol);\r
258 ASSERT_EFI_ERROR(Status);\r
259 DevicePathTxt = DevicePathToTextProtocol->ConvertDevicePathToText (BootDevicePath, TRUE, TRUE);\r
260\r
261 ASSERT (StrCmp ((CHAR16*)PcdGetPtr(PcdDefaultBootDevicePath), DevicePathTxt) == 0);\r
262\r
263 FreePool (DevicePathTxt);\r
264 DEBUG_CODE_END();\r
265\r
266 // Create the entry is the Default values are correct\r
267 if (BootDevicePath != NULL) {\r
268 BootType = (ARM_BDS_LOADER_TYPE)PcdGet32 (PcdDefaultBootType);\r
269\r
270 // We do not support NULL pointer\r
271 ASSERT (PcdGetPtr (PcdDefaultBootArgument) != NULL);\r
272\r
273 //\r
274 // Logic to handle ASCII or Unicode default parameters\r
275 //\r
276 if (*(CHAR8*)PcdGetPtr (PcdDefaultBootArgument) == '\0') {\r
277 CmdLineSize = 0;\r
278 CmdLineAsciiSize = 0;\r
279 DefaultBootArgument = NULL;\r
280 AsciiDefaultBootArgument = NULL;\r
281 } else if (IsUnicodeString ((CHAR16*)PcdGetPtr (PcdDefaultBootArgument))) {\r
282 // The command line is a Unicode string\r
283 DefaultBootArgument = (CHAR16*)PcdGetPtr (PcdDefaultBootArgument);\r
284 CmdLineSize = StrSize (DefaultBootArgument);\r
285\r
286 // Initialize ASCII variables\r
287 CmdLineAsciiSize = CmdLineSize / 2;\r
288 AsciiDefaultBootArgument = AllocatePool (CmdLineAsciiSize);\r
289 if (AsciiDefaultBootArgument == NULL) {\r
290 return EFI_OUT_OF_RESOURCES;\r
291 }\r
292 UnicodeStrToAsciiStr ((CHAR16*)PcdGetPtr (PcdDefaultBootArgument), AsciiDefaultBootArgument);\r
293 } else {\r
294 // The command line is a ASCII string\r
295 AsciiDefaultBootArgument = (CHAR8*)PcdGetPtr (PcdDefaultBootArgument);\r
296 CmdLineAsciiSize = AsciiStrSize (AsciiDefaultBootArgument);\r
297\r
298 // Initialize ASCII variables\r
299 CmdLineSize = CmdLineAsciiSize * 2;\r
300 DefaultBootArgument = AllocatePool (CmdLineSize);\r
301 if (DefaultBootArgument == NULL) {\r
302 return EFI_OUT_OF_RESOURCES;\r
303 }\r
304 AsciiStrToUnicodeStr (AsciiDefaultBootArgument, DefaultBootArgument);\r
305 }\r
306\r
307 if ((BootType == BDS_LOADER_KERNEL_LINUX_ATAG) || (BootType == BDS_LOADER_KERNEL_LINUX_FDT)) {\r
308 InitrdPath = EfiDevicePathFromTextProtocol->ConvertTextToDevicePath ((CHAR16*)PcdGetPtr(PcdDefaultBootInitrdPath));\r
309 InitrdSize = GetDevicePathSize (InitrdPath);\r
310\r
311 OptionalDataSize = sizeof(ARM_BDS_LOADER_ARGUMENTS) + CmdLineAsciiSize + InitrdSize;\r
312 BootArguments = (ARM_BDS_LOADER_ARGUMENTS*)AllocatePool (OptionalDataSize);\r
313 if (BootArguments == NULL) {\r
314 return EFI_OUT_OF_RESOURCES;\r
315 }\r
316 BootArguments->LinuxArguments.CmdLineSize = CmdLineAsciiSize;\r
317 BootArguments->LinuxArguments.InitrdSize = InitrdSize;\r
318\r
319 CopyMem ((VOID*)(BootArguments + 1), AsciiDefaultBootArgument, CmdLineAsciiSize);\r
320 CopyMem ((VOID*)((UINTN)(BootArguments + 1) + CmdLineAsciiSize), InitrdPath, InitrdSize);\r
321\r
322 OptionalData = (UINT8*)BootArguments;\r
323 } else {\r
324 OptionalData = (UINT8*)DefaultBootArgument;\r
325 OptionalDataSize = CmdLineSize;\r
326 }\r
327\r
328 BootOptionCreate (LOAD_OPTION_ACTIVE | LOAD_OPTION_CATEGORY_BOOT,\r
329 (CHAR16*)PcdGetPtr(PcdDefaultBootDescription),\r
330 BootDevicePath,\r
331 BootType,\r
332 OptionalData,\r
333 OptionalDataSize,\r
334 &BdsLoadOption\r
335 );\r
336 FreePool (BdsLoadOption);\r
337\r
338 if (DefaultBootArgument == (CHAR16*)PcdGetPtr (PcdDefaultBootArgument)) {\r
339 FreePool (AsciiDefaultBootArgument);\r
340 } else if (DefaultBootArgument != NULL) {\r
341 FreePool (DefaultBootArgument);\r
342 }\r
343 } else {\r
344 Status = EFI_UNSUPPORTED;\r
345 }\r
346 }\r
347\r
348 return Status;\r
349}\r
350\r
351EFI_STATUS\r
352StartDefaultBootOnTimeout (\r
353 VOID\r
354 )\r
355{\r
356 UINTN Size;\r
357 UINT16 Timeout;\r
358 UINT16 *TimeoutPtr;\r
359 EFI_EVENT WaitList[2];\r
360 UINTN WaitIndex;\r
361 UINT16 *BootOrder;\r
362 UINTN BootOrderSize;\r
363 UINTN Index;\r
364 CHAR16 BootVariableName[9];\r
365 EFI_STATUS Status;\r
366 EFI_INPUT_KEY Key;\r
367\r
368 Size = sizeof(UINT16);\r
369 Timeout = (UINT16)PcdGet16 (PcdPlatformBootTimeOut);\r
370 Status = GetGlobalEnvironmentVariable (L"Timeout", &Timeout, &Size, (VOID**)&TimeoutPtr);\r
371 if (!EFI_ERROR (Status)) {\r
372 Timeout = *TimeoutPtr;\r
373 FreePool (TimeoutPtr);\r
374 }\r
375\r
376 if (Timeout != 0xFFFF) {\r
377 if (Timeout > 0) {\r
378 // Create the waiting events (keystroke and 1sec timer)\r
379 gBS->CreateEvent (EVT_TIMER, 0, NULL, NULL, &WaitList[0]);\r
380 gBS->SetTimer (WaitList[0], TimerPeriodic, EFI_SET_TIMER_TO_SECOND);\r
381 WaitList[1] = gST->ConIn->WaitForKey;\r
382\r
383 // Start the timer\r
384 WaitIndex = 0;\r
385 Print(L"The default boot selection will start in ");\r
386 while ((Timeout > 0) && (WaitIndex == 0)) {\r
387 Print(L"%3d seconds",Timeout);\r
388 gBS->WaitForEvent (2, WaitList, &WaitIndex);\r
389 if (WaitIndex == 0) {\r
390 Print(L"\b\b\b\b\b\b\b\b\b\b\b");\r
391 Timeout--;\r
392 }\r
393 }\r
394 // Discard key in the buffer\r
395 do {\r
396 Status = gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);\r
397 } while(!EFI_ERROR(Status));\r
398 gBS->CloseEvent (WaitList[0]);\r
399 Print(L"\n\r");\r
400 }\r
401\r
402 // In case of Timeout we start the default boot selection\r
403 if (Timeout == 0) {\r
404 // Get the Boot Option Order from the environment variable (a default value should have been created)\r
405 GetGlobalEnvironmentVariable (L"BootOrder", NULL, &BootOrderSize, (VOID**)&BootOrder);\r
406\r
407 for (Index = 0; Index < BootOrderSize / sizeof (UINT16); Index++) {\r
408 UnicodeSPrint (BootVariableName, 9 * sizeof(CHAR16), L"Boot%04X", BootOrder[Index]);\r
409 Status = BdsStartBootOption (BootVariableName);\r
410 if(!EFI_ERROR(Status)){\r
411 // Boot option returned successfully, hence don't need to start next boot option\r
412 break;\r
413 }\r
414 // In case of success, we should not return from this call.\r
415 }\r
416 FreePool (BootOrder);\r
417 }\r
418 }\r
419 return EFI_SUCCESS;\r
420}\r
421\r
422/**\r
423 An empty function to pass error checking of CreateEventEx ().\r
424\r
425 @param Event Event whose notification function is being invoked.\r
426 @param Context Pointer to the notification function's context,\r
427 which is implementation-dependent.\r
428\r
429**/\r
430VOID\r
431EFIAPI\r
432EmptyCallbackFunction (\r
433 IN EFI_EVENT Event,\r
434 IN VOID *Context\r
435 )\r
436{\r
437 return;\r
438}\r
439\r
440/**\r
441 This function uses policy data from the platform to determine what operating\r
442 system or system utility should be loaded and invoked. This function call\r
443 also optionally make the use of user input to determine the operating system\r
444 or system utility to be loaded and invoked. When the DXE Core has dispatched\r
445 all the drivers on the dispatch queue, this function is called. This\r
446 function will attempt to connect the boot devices required to load and invoke\r
447 the selected operating system or system utility. During this process,\r
448 additional firmware volumes may be discovered that may contain addition DXE\r
449 drivers that can be dispatched by the DXE Core. If a boot device cannot be\r
450 fully connected, this function calls the DXE Service Dispatch() to allow the\r
451 DXE drivers from any newly discovered firmware volumes to be dispatched.\r
452 Then the boot device connection can be attempted again. If the same boot\r
453 device connection operation fails twice in a row, then that boot device has\r
454 failed, and should be skipped. This function should never return.\r
455\r
456 @param This The EFI_BDS_ARCH_PROTOCOL instance.\r
457\r
458 @return None.\r
459\r
460**/\r
461VOID\r
462EFIAPI\r
463BdsEntry (\r
464 IN EFI_BDS_ARCH_PROTOCOL *This\r
465 )\r
466{\r
467 UINTN Size;\r
468 EFI_STATUS Status;\r
469 UINT16 *BootNext;\r
470 UINTN BootNextSize;\r
471 CHAR16 BootVariableName[9];\r
472 EFI_EVENT EndOfDxeEvent;\r
473\r
474 //\r
475 // Signal EndOfDxe PI Event\r
476 //\r
477 Status = gBS->CreateEventEx (\r
478 EVT_NOTIFY_SIGNAL,\r
479 TPL_NOTIFY,\r
480 EmptyCallbackFunction,\r
481 NULL,\r
482 &gEfiEndOfDxeEventGroupGuid,\r
483 &EndOfDxeEvent\r
484 );\r
485 if (!EFI_ERROR (Status)) {\r
486 gBS->SignalEvent (EndOfDxeEvent);\r
487 }\r
488\r
489 PERF_END (NULL, "DXE", NULL, 0);\r
490\r
491 //\r
492 // Declare the Firmware Vendor\r
493 //\r
494 if (FixedPcdGetPtr(PcdFirmwareVendor) != NULL) {\r
495 Size = 0x100;\r
496 gST->FirmwareVendor = AllocateRuntimePool (Size);\r
497 ASSERT (gST->FirmwareVendor != NULL);\r
498 UnicodeSPrint (gST->FirmwareVendor, Size, L"%a EFI %a %a", PcdGetPtr(PcdFirmwareVendor), __DATE__, __TIME__);\r
499 }\r
500\r
501 //\r
502 // Fixup Table CRC after we updated Firmware Vendor\r
503 //\r
504 gST->Hdr.CRC32 = 0;\r
505 Status = gBS->CalculateCrc32 ((VOID*)gST, gST->Hdr.HeaderSize, &gST->Hdr.CRC32);\r
506 ASSERT_EFI_ERROR (Status);\r
507\r
508 // If BootNext environment variable is defined then we just load it !\r
509 BootNextSize = sizeof(UINT16);\r
510 Status = GetGlobalEnvironmentVariable (L"BootNext", NULL, &BootNextSize, (VOID**)&BootNext);\r
511 if (!EFI_ERROR(Status)) {\r
512 ASSERT(BootNextSize == sizeof(UINT16));\r
513\r
514 // Generate the requested Boot Entry variable name\r
515 UnicodeSPrint (BootVariableName, 9 * sizeof(CHAR16), L"Boot%04X", *BootNext);\r
516\r
517 // Set BootCurrent variable\r
518 gRT->SetVariable (L"BootCurrent", &gEfiGlobalVariableGuid,\r
519 EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r
520 BootNextSize, BootNext);\r
521\r
522 FreePool (BootNext);\r
523\r
524 // Start the requested Boot Entry\r
525 Status = BdsStartBootOption (BootVariableName);\r
526 if (Status != EFI_NOT_FOUND) {\r
527 // BootNext has not been succeeded launched\r
528 if (EFI_ERROR(Status)) {\r
529 Print(L"Fail to start BootNext.\n");\r
530 }\r
531\r
532 // Delete the BootNext environment variable\r
533 gRT->SetVariable (L"BootNext", &gEfiGlobalVariableGuid,\r
534 EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r
535 0, NULL);\r
536 }\r
537\r
538 // Clear BootCurrent variable\r
539 gRT->SetVariable (L"BootCurrent", &gEfiGlobalVariableGuid,\r
540 EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r
541 0, NULL);\r
542 }\r
543\r
544 // If Boot Order does not exist then create a default entry\r
545 DefineDefaultBootEntries ();\r
546\r
547 // Now we need to setup the EFI System Table with information about the console devices.\r
548 InitializeConsole ();\r
549\r
550 //\r
551 // Update the CRC32 in the EFI System Table header\r
552 //\r
553 gST->Hdr.CRC32 = 0;\r
554 Status = gBS->CalculateCrc32 ((VOID*)gST, gST->Hdr.HeaderSize, &gST->Hdr.CRC32);\r
555 ASSERT_EFI_ERROR (Status);\r
556\r
557 // Timer before initiating the default boot selection\r
558 StartDefaultBootOnTimeout ();\r
559\r
560 // Start the Boot Menu\r
561 Status = BootMenuMain ();\r
562 ASSERT_EFI_ERROR (Status);\r
563\r
564}\r
565\r
566EFI_BDS_ARCH_PROTOCOL gBdsProtocol = {\r
567 BdsEntry,\r
568};\r
569\r
570EFI_STATUS\r
571EFIAPI\r
572BdsInitialize (\r
573 IN EFI_HANDLE ImageHandle,\r
574 IN EFI_SYSTEM_TABLE *SystemTable\r
575 )\r
576{\r
577 EFI_STATUS Status;\r
578\r
579 Status = gBS->InstallMultipleProtocolInterfaces (\r
580 &ImageHandle,\r
581 &gEfiBdsArchProtocolGuid, &gBdsProtocol,\r
582 NULL\r
583 );\r
584 ASSERT_EFI_ERROR (Status);\r
585\r
586 return Status;\r
587}\r
EFI Development Kit II mirror for PVE