CHAR16 *mBdsLoadOptionName[] = {\r
L"Driver",\r
L"SysPrep",\r
- L"Boot"\r
+ L"Boot",\r
+ L"PlatformRecovery"\r
};\r
\r
-CHAR16 mRecoveryBoot[] = L"Recovery Boot";\r
/**\r
Event to Connect ConIn.\r
\r
return Status;\r
}\r
\r
-/**\r
- Emuerate all possible bootable medias in the following order:\r
- 1. Removable BlockIo - The boot option only points to the removable media\r
- device, like USB key, DVD, Floppy etc.\r
- 2. Fixed BlockIo - The boot option only points to a Fixed blockIo device,\r
- like HardDisk.\r
- 3. Non-BlockIo SimpleFileSystem - The boot option points to a device supporting\r
- SimpleFileSystem Protocol, but not supporting BlockIo\r
- protocol.\r
- 4. LoadFile - The boot option points to the media supporting \r
- LoadFile protocol.\r
- Reference: UEFI Spec chapter 3.3 Boot Option Variables Default Boot Behavior\r
-\r
- @param BootOptionCount Return the boot option count which has been found.\r
-\r
- @retval Pointer to the boot option array.\r
-**/\r
-EFI_BOOT_MANAGER_LOAD_OPTION *\r
-BdsEnumerateBootOptions (\r
- UINTN *BootOptionCount\r
- )\r
-{\r
- EFI_STATUS Status;\r
- EFI_BOOT_MANAGER_LOAD_OPTION *BootOptions;\r
- UINTN HandleCount;\r
- EFI_HANDLE *Handles;\r
- EFI_BLOCK_IO_PROTOCOL *BlkIo;\r
- UINTN Removable;\r
- UINTN Index;\r
-\r
- ASSERT (BootOptionCount != NULL);\r
-\r
- *BootOptionCount = 0;\r
- BootOptions = NULL;\r
-\r
- //\r
- // Parse removable block io followed by fixed block io\r
- //\r
- gBS->LocateHandleBuffer (\r
- ByProtocol,\r
- &gEfiBlockIoProtocolGuid,\r
- NULL,\r
- &HandleCount,\r
- &Handles\r
- );\r
-\r
- for (Removable = 0; Removable < 2; Removable++) {\r
- for (Index = 0; Index < HandleCount; Index++) {\r
- Status = gBS->HandleProtocol (\r
- Handles[Index],\r
- &gEfiBlockIoProtocolGuid,\r
- (VOID **) &BlkIo\r
- );\r
- if (EFI_ERROR (Status)) {\r
- continue;\r
- }\r
-\r
- //\r
- // Skip the logical partitions\r
- //\r
- if (BlkIo->Media->LogicalPartition) {\r
- continue;\r
- }\r
-\r
- //\r
- // Skip the fixed block io then the removable block io\r
- //\r
- if (BlkIo->Media->RemovableMedia == ((Removable == 0) ? FALSE : TRUE)) {\r
- continue;\r
- }\r
-\r
- BootOptions = ReallocatePool (\r
- sizeof (EFI_BOOT_MANAGER_LOAD_OPTION) * (*BootOptionCount),\r
- sizeof (EFI_BOOT_MANAGER_LOAD_OPTION) * (*BootOptionCount + 1),\r
- BootOptions\r
- );\r
- ASSERT (BootOptions != NULL);\r
-\r
- Status = EfiBootManagerInitializeLoadOption (\r
- &BootOptions[(*BootOptionCount)++],\r
- LoadOptionNumberUnassigned,\r
- LoadOptionTypeBoot,\r
- LOAD_OPTION_ACTIVE,\r
- mRecoveryBoot,\r
- DevicePathFromHandle (Handles[Index]),\r
- NULL,\r
- 0\r
- );\r
- ASSERT_EFI_ERROR (Status);\r
- }\r
- }\r
-\r
- if (HandleCount != 0) {\r
- FreePool (Handles);\r
- }\r
-\r
- //\r
- // Parse simple file system not based on block io\r
- //\r
- gBS->LocateHandleBuffer (\r
- ByProtocol,\r
- &gEfiSimpleFileSystemProtocolGuid,\r
- NULL,\r
- &HandleCount,\r
- &Handles\r
- );\r
- for (Index = 0; Index < HandleCount; Index++) {\r
- Status = gBS->HandleProtocol (\r
- Handles[Index],\r
- &gEfiBlockIoProtocolGuid,\r
- (VOID **) &BlkIo\r
- );\r
- if (!EFI_ERROR (Status)) {\r
- //\r
- // Skip if the file system handle supports a BlkIo protocol, which we've handled in above\r
- //\r
- continue;\r
- }\r
- BootOptions = ReallocatePool (\r
- sizeof (EFI_BOOT_MANAGER_LOAD_OPTION) * (*BootOptionCount),\r
- sizeof (EFI_BOOT_MANAGER_LOAD_OPTION) * (*BootOptionCount + 1),\r
- BootOptions\r
- );\r
- ASSERT (BootOptions != NULL);\r
-\r
- Status = EfiBootManagerInitializeLoadOption (\r
- &BootOptions[(*BootOptionCount)++],\r
- LoadOptionNumberUnassigned,\r
- LoadOptionTypeBoot,\r
- LOAD_OPTION_ACTIVE,\r
- mRecoveryBoot,\r
- DevicePathFromHandle (Handles[Index]),\r
- NULL,\r
- 0\r
- );\r
- ASSERT_EFI_ERROR (Status);\r
- }\r
-\r
- if (HandleCount != 0) {\r
- FreePool (Handles);\r
- }\r
-\r
- //\r
- // Parse load file, assuming UEFI Network boot option\r
- //\r
- gBS->LocateHandleBuffer (\r
- ByProtocol,\r
- &gEfiLoadFileProtocolGuid,\r
- NULL,\r
- &HandleCount,\r
- &Handles\r
- );\r
- for (Index = 0; Index < HandleCount; Index++) {\r
-\r
- BootOptions = ReallocatePool (\r
- sizeof (EFI_BOOT_MANAGER_LOAD_OPTION) * (*BootOptionCount),\r
- sizeof (EFI_BOOT_MANAGER_LOAD_OPTION) * (*BootOptionCount + 1),\r
- BootOptions\r
- );\r
- ASSERT (BootOptions != NULL);\r
-\r
- Status = EfiBootManagerInitializeLoadOption (\r
- &BootOptions[(*BootOptionCount)++],\r
- LoadOptionNumberUnassigned,\r
- LoadOptionTypeBoot,\r
- LOAD_OPTION_ACTIVE,\r
- mRecoveryBoot,\r
- DevicePathFromHandle (Handles[Index]),\r
- NULL,\r
- 0\r
- );\r
- ASSERT_EFI_ERROR (Status);\r
- }\r
-\r
- if (HandleCount != 0) {\r
- FreePool (Handles);\r
- }\r
-\r
- return BootOptions;\r
-}\r
-\r
/**\r
Function waits for a given event to fire, or for an optional timeout to expire.\r
\r
\r
@param BootOptions Input boot option array.\r
@param BootOptionCount Input boot option count.\r
+ @param BootManagerMenu Input boot manager menu.\r
\r
@retval TRUE Successfully boot one of the boot options.\r
@retval FALSE Failed boot any of the boot options.\r
**/\r
BOOLEAN\r
-BootAllBootOptions (\r
+BootBootOptions (\r
IN EFI_BOOT_MANAGER_LOAD_OPTION *BootOptions,\r
- IN UINTN BootOptionCount\r
+ IN UINTN BootOptionCount,\r
+ IN EFI_BOOT_MANAGER_LOAD_OPTION *BootManagerMenu\r
)\r
{\r
UINTN Index;\r
EfiBootManagerBoot (&BootOptions[Index]);\r
\r
//\r
- // Successful boot breaks the loop, otherwise tries next boot option\r
+ // If the boot via Boot#### returns with a status of EFI_SUCCESS, platform firmware\r // supports boot manager menu, and if firmware is configured to boot in an\r // interactive mode, the boot manager will stop processing the BootOrder variable and\r // present a boot manager menu to the user.\r
//\r
if (BootOptions[Index].Status == EFI_SUCCESS) {\r
+ EfiBootManagerBoot (BootManagerMenu);\r
break;\r
}\r
}\r
}\r
\r
/**\r
- This function attempts to boot per the boot order specified by platform policy.\r
-\r
- If the boot via Boot#### returns with a status of EFI_SUCCESS the boot manager will stop \r
- processing the BootOrder variable and present a boot manager menu to the user. If a boot via \r
- Boot#### returns a status other than EFI_SUCCESS, the boot has failed and the next Boot####\r
- in the BootOrder variable will be tried until all possibilities are exhausted.\r
- -- Chapter 3.1.1 Boot Manager Programming, the 4th paragraph\r
-**/\r
-VOID\r
-DefaultBootBehavior (\r
- VOID\r
- )\r
-{\r
- UINTN BootOptionCount;\r
- EFI_BOOT_MANAGER_LOAD_OPTION *BootOptions;\r
- EFI_BOOT_MANAGER_LOAD_OPTION BootManagerMenu;\r
-\r
- EfiBootManagerGetBootManagerMenu (&BootManagerMenu);\r
- //\r
- // BootManagerMenu always contains the correct information even the above function returns failure.\r
- //\r
-\r
- BootOptions = EfiBootManagerGetLoadOptions (&BootOptionCount, LoadOptionTypeBoot);\r
-\r
- if (BootAllBootOptions (BootOptions, BootOptionCount)) {\r
- //\r
- // Follow generic rule, Call BdsDxeOnConnectConInCallBack to connect ConIn before enter UI\r
- //\r
- if (PcdGetBool (PcdConInConnectOnDemand)) {\r
- BdsDxeOnConnectConInCallBack (NULL, NULL);\r
- }\r
-\r
- //\r
- // Show the Boot Manager Menu after successful boot\r
- //\r
- EfiBootManagerBoot (&BootManagerMenu);\r
- } else {\r
- EfiBootManagerFreeLoadOptions (BootOptions, BootOptionCount);\r
- //\r
- // Re-scan all EFI boot options in case all the boot#### are deleted or failed to boot\r
- //\r
- // If no valid boot options exist, the boot manager will enumerate all removable media\r
- // devices followed by all fixed media devices. The order within each group is undefined.\r
- // These new default boot options are not saved to non volatile storage.The boot manger\r
- // will then attempt toboot from each boot option.\r
- // -- Chapter 3.3 Boot Manager Programming, the 2nd paragraph\r
- //\r
- EfiBootManagerConnectAll ();\r
- BootOptions = BdsEnumerateBootOptions (&BootOptionCount);\r
-\r
- if (!BootAllBootOptions (BootOptions, BootOptionCount)) {\r
- DEBUG ((EFI_D_ERROR, "[Bds]No bootable device!\n"));\r
- EfiBootManagerBoot (&BootManagerMenu);\r
- }\r
- }\r
-\r
- EfiBootManagerFreeLoadOption (&BootManagerMenu);\r
- EfiBootManagerFreeLoadOptions (BootOptions, BootOptionCount);\r
-}\r
-\r
-/**\r
- The function will load and start every Driver####/SysPrep####.\r
+ The function will load and start every Driver####, SysPrep#### or PlatformRecovery####.\r
\r
@param LoadOptions Load option array.\r
@param LoadOptionCount Load option count.\r
-\r
**/\r
VOID\r
ProcessLoadOptions (\r
BOOLEAN ReconnectAll;\r
EFI_BOOT_MANAGER_LOAD_OPTION_TYPE LoadOptionType;\r
\r
- ReconnectAll = FALSE;\r
+ ReconnectAll = FALSE;\r
LoadOptionType = LoadOptionTypeMax;\r
\r
//\r
//\r
// All the load options in the array should be of the same type.\r
//\r
- if (LoadOptionType == LoadOptionTypeMax) {\r
+ if (Index == 0) {\r
LoadOptionType = LoadOptions[Index].OptionType;\r
}\r
ASSERT (LoadOptionType == LoadOptions[Index].OptionType);\r
- ASSERT (LoadOptionType == LoadOptionTypeDriver || LoadOptionType == LoadOptionTypeSysPrep);\r
\r
Status = EfiBootManagerProcessLoadOption (&LoadOptions[Index]);\r
\r
- if (!EFI_ERROR (Status) && ((LoadOptions[Index].Attributes & LOAD_OPTION_FORCE_RECONNECT) != 0)) {\r
- ReconnectAll = TRUE;\r
+ if (!EFI_ERROR (Status)) {\r
+ if (LoadOptionType == LoadOptionTypePlatformRecovery) {\r
+ //\r
+ // Stop processing if any entry is successful\r
+ //\r
+ break;\r
+ }\r
+ if ((LoadOptions[Index].Attributes & LOAD_OPTION_FORCE_RECONNECT) != 0) {\r
+ ReconnectAll = TRUE;\r
+ }\r
}\r
}\r
\r
//\r
// OS indicater support variable\r
//\r
- OsIndicationSupport = EFI_OS_INDICATIONS_BOOT_TO_FW_UI;\r
+ OsIndicationSupport = EFI_OS_INDICATIONS_BOOT_TO_FW_UI | EFI_OS_INDICATIONS_START_PLATFORM_RECOVERY;\r
Status = gRT->SetVariable (\r
EFI_OS_INDICATIONS_SUPPORT_VARIABLE_NAME,\r
&gEfiGlobalVariableGuid,\r
CHAR16 BootNextVariableName[sizeof ("Boot####")];\r
EFI_BOOT_MANAGER_LOAD_OPTION BootManagerMenu;\r
BOOLEAN BootFwUi;\r
+ BOOLEAN PlatformRecovery;\r
+ BOOLEAN BootSuccess;\r
EFI_DEVICE_PATH_PROTOCOL *FilePath;\r
\r
HotkeyTriggered = NULL;\r
Status = EFI_SUCCESS;\r
+ BootSuccess = FALSE;\r
\r
//\r
// Insert the performance probe\r
PERF_START (NULL, "PlatformBootManagerAfterConsole", "BDS", 0);\r
PlatformBootManagerAfterConsole ();\r
PERF_END (NULL, "PlatformBootManagerAfterConsole", "BDS", 0);\r
+ //\r
+ // Boot to Boot Manager Menu when EFI_OS_INDICATIONS_BOOT_TO_FW_UI is set. Skip HotkeyBoot\r
+ //\r
+ DataSize = sizeof (UINT64);\r
+ Status = gRT->GetVariable (\r
+ EFI_OS_INDICATIONS_VARIABLE_NAME,\r
+ &gEfiGlobalVariableGuid,\r
+ NULL,\r
+ &DataSize,\r
+ &OsIndication\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ OsIndication = 0;\r
+ }\r
\r
DEBUG_CODE (\r
EFI_BOOT_MANAGER_LOAD_OPTION_TYPE LoadOptionType;\r
+ DEBUG ((EFI_D_INFO, "[Bds]OsIndication: %016x\n", OsIndication));\r
DEBUG ((EFI_D_INFO, "[Bds]=============Begin Load Options Dumping ...=============\n"));\r
for (LoadOptionType = 0; LoadOptionType < LoadOptionTypeMax; LoadOptionType++) {\r
DEBUG ((\r
);\r
\r
//\r
- // Boot to Boot Manager Menu when EFI_OS_INDICATIONS_BOOT_TO_FW_UI is set. Skip HotkeyBoot\r
+ // BootManagerMenu always contains the correct information even call fails.\r
//\r
- DataSize = sizeof (UINT64);\r
- Status = gRT->GetVariable (\r
- EFI_OS_INDICATIONS_VARIABLE_NAME,\r
- &gEfiGlobalVariableGuid,\r
- NULL,\r
- &DataSize,\r
- &OsIndication\r
- );\r
- if (EFI_ERROR (Status)) {\r
- OsIndication = 0;\r
- }\r
+ EfiBootManagerGetBootManagerMenu (&BootManagerMenu);\r
\r
- BootFwUi = (BOOLEAN) ((OsIndication & EFI_OS_INDICATIONS_BOOT_TO_FW_UI) != 0);\r
+ BootFwUi = (BOOLEAN) ((OsIndication & EFI_OS_INDICATIONS_BOOT_TO_FW_UI) != 0);\r
+ PlatformRecovery = (BOOLEAN) ((OsIndication & EFI_OS_INDICATIONS_START_PLATFORM_RECOVERY) != 0);\r
//\r
// Clear EFI_OS_INDICATIONS_BOOT_TO_FW_UI to acknowledge OS\r
// \r
- if (BootFwUi) {\r
- OsIndication &= ~((UINT64) EFI_OS_INDICATIONS_BOOT_TO_FW_UI);\r
+ if (BootFwUi || PlatformRecovery) {\r
+ OsIndication &= ~((UINT64) (EFI_OS_INDICATIONS_BOOT_TO_FW_UI | EFI_OS_INDICATIONS_START_PLATFORM_RECOVERY));\r
Status = gRT->SetVariable (\r
EFI_OS_INDICATIONS_VARIABLE_NAME,\r
&gEfiGlobalVariableGuid,\r
\r
//\r
// Directly enter the setup page.\r
- // BootManagerMenu always contains the correct information even call fails.\r
//\r
- EfiBootManagerGetBootManagerMenu (&BootManagerMenu);\r
EfiBootManagerBoot (&BootManagerMenu);\r
- EfiBootManagerFreeLoadOption (&BootManagerMenu);\r
}\r
\r
- //\r
- // Execute SysPrep####\r
- //\r
- LoadOptions = EfiBootManagerGetLoadOptions (&LoadOptionCount, LoadOptionTypeSysPrep);\r
- ProcessLoadOptions (LoadOptions, LoadOptionCount);\r
- EfiBootManagerFreeLoadOptions (LoadOptions, LoadOptionCount);\r
+ if (!PlatformRecovery) {\r
+ //\r
+ // Execute SysPrep####\r
+ //\r
+ LoadOptions = EfiBootManagerGetLoadOptions (&LoadOptionCount, LoadOptionTypeSysPrep);\r
+ ProcessLoadOptions (LoadOptions, LoadOptionCount);\r
+ EfiBootManagerFreeLoadOptions (LoadOptions, LoadOptionCount);\r
\r
- //\r
- // Execute Key####\r
- //\r
- PERF_START (NULL, "BdsWait", "BDS", 0);\r
- BdsWait (HotkeyTriggered);\r
- PERF_END (NULL, "BdsWait", "BDS", 0);\r
+ //\r
+ // Execute Key####\r
+ //\r
+ PERF_START (NULL, "BdsWait", "BDS", 0);\r
+ BdsWait (HotkeyTriggered);\r
+ PERF_END (NULL, "BdsWait", "BDS", 0);\r
\r
- //\r
- // BdsReadKeys() be removed after all keyboard drivers invoke callback in timer callback.\r
- //\r
- BdsReadKeys ();\r
+ //\r
+ // BdsReadKeys() can be removed after all keyboard drivers invoke callback in timer callback.\r
+ //\r
+ BdsReadKeys ();\r
\r
- EfiBootManagerHotkeyBoot ();\r
+ EfiBootManagerHotkeyBoot ();\r
\r
- //\r
- // Boot to "BootNext"\r
- //\r
- if (BootNext != NULL) {\r
- UnicodeSPrint (BootNextVariableName, sizeof (BootNextVariableName), L"Boot%04x", *BootNext);\r
- Status = EfiBootManagerVariableToLoadOption (BootNextVariableName, &LoadOption);\r
- if (!EFI_ERROR (Status)) {\r
- EfiBootManagerBoot (&LoadOption);\r
- EfiBootManagerFreeLoadOption (&LoadOption);\r
- if (LoadOption.Status == EFI_SUCCESS) {\r
- //\r
- // Boot to Boot Manager Menu upon EFI_SUCCESS\r
- //\r
- EfiBootManagerGetBootManagerMenu (&LoadOption);\r
+ //\r
+ // Boot to "BootNext"\r
+ //\r
+ if (BootNext != NULL) {\r
+ UnicodeSPrint (BootNextVariableName, sizeof (BootNextVariableName), L"Boot%04x", *BootNext);\r
+ Status = EfiBootManagerVariableToLoadOption (BootNextVariableName, &LoadOption);\r
+ if (!EFI_ERROR (Status)) {\r
EfiBootManagerBoot (&LoadOption);\r
EfiBootManagerFreeLoadOption (&LoadOption);\r
+ if (LoadOption.Status == EFI_SUCCESS) {\r
+ //\r
+ // Boot to Boot Manager Menu upon EFI_SUCCESS\r
+ //\r
+ EfiBootManagerBoot (&BootManagerMenu);\r
+ }\r
}\r
}\r
+\r
+ do {\r
+ //\r
+ // Retry to boot if any of the boot succeeds\r
+ //\r
+ LoadOptions = EfiBootManagerGetLoadOptions (&LoadOptionCount, LoadOptionTypeBoot);\r
+ BootSuccess = BootBootOptions (LoadOptions, LoadOptionCount, &BootManagerMenu);\r
+ EfiBootManagerFreeLoadOptions (LoadOptions, LoadOptionCount);\r
+ } while (BootSuccess);\r
}\r
\r
- while (TRUE) {\r
- //\r
- // BDS select the boot device to load OS\r
- // Try next upon boot failure\r
- // Show Boot Manager Menu upon boot success\r
- //\r
- DefaultBootBehavior ();\r
+ EfiBootManagerFreeLoadOption (&BootManagerMenu);\r
+\r
+ if (!BootSuccess) {\r
+ LoadOptions = EfiBootManagerGetLoadOptions (&LoadOptionCount, LoadOptionTypePlatformRecovery);\r
+ ProcessLoadOptions (LoadOptions, LoadOptionCount);\r
+ EfiBootManagerFreeLoadOptions (LoadOptions, LoadOptionCount);\r
}\r
+\r
+ DEBUG ((EFI_D_ERROR, "[Bds] Unable to boot!\n"));\r
+ CpuDeadLoop ();\r
}\r
\r
/**\r
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