/** @file\r
*\r
-* Copyright (c) 2011, ARM Limited. All rights reserved.\r
+* Copyright (c) 2011-2015, ARM Limited. All rights reserved.\r
*\r
* This program and the accompanying materials\r
* are licensed and made available under the terms and conditions of the BSD License\r
\r
#include "BdsInternal.h"\r
\r
-extern EFI_HANDLE mImageHandle;\r
-\r
EFI_STATUS\r
BootOptionStart (\r
IN BDS_LOAD_OPTION *BootOption\r
)\r
{\r
- EFI_STATUS Status;\r
- EFI_DEVICE_PATH_FROM_TEXT_PROTOCOL* EfiDevicePathFromTextProtocol;\r
- UINT32 LoaderType;\r
- ARM_BDS_LOADER_OPTIONAL_DATA* OptionalData;\r
- ARM_BDS_LINUX_ARGUMENTS* LinuxArguments;\r
- EFI_DEVICE_PATH_PROTOCOL* FdtDevicePath;\r
- EFI_DEVICE_PATH_PROTOCOL* DefaultFdtDevicePath;\r
- UINTN FdtDevicePathSize;\r
- UINTN CmdLineSize;\r
- UINTN InitrdSize;\r
- EFI_DEVICE_PATH* Initrd;\r
-\r
- if (IS_ARM_BDS_BOOTENTRY (BootOption)) {\r
- Status = EFI_UNSUPPORTED;\r
- OptionalData = BootOption->OptionalData;\r
- LoaderType = ReadUnaligned32 ((CONST UINT32*)&OptionalData->Header.LoaderType);\r
-\r
- if (LoaderType == BDS_LOADER_EFI_APPLICATION) {\r
- // Need to connect every drivers to ensure no dependencies are missing for the application\r
- BdsConnectAllDrivers();\r
-\r
- Status = BdsStartEfiApplication (mImageHandle, BootOption->FilePathList, 0, NULL);\r
- } else if (LoaderType == BDS_LOADER_KERNEL_LINUX_ATAG) {\r
- LinuxArguments = &(OptionalData->Arguments.LinuxArguments);\r
- CmdLineSize = ReadUnaligned16 ((CONST UINT16*)&LinuxArguments->CmdLineSize);\r
- InitrdSize = ReadUnaligned16 ((CONST UINT16*)&LinuxArguments->InitrdSize);\r
-\r
- if (InitrdSize > 0) {\r
- Initrd = GetAlignedDevicePath ((EFI_DEVICE_PATH*)((UINTN)(LinuxArguments + 1) + CmdLineSize));\r
- } else {\r
- Initrd = NULL;\r
- }\r
-\r
- Status = BdsBootLinux (BootOption->FilePathList,\r
- Initrd, // Initrd\r
- (CHAR8*)(LinuxArguments + 1), // CmdLine\r
- NULL);\r
- } else if (LoaderType == BDS_LOADER_KERNEL_LINUX_FDT) {\r
- LinuxArguments = &(OptionalData->Arguments.LinuxArguments);\r
- CmdLineSize = ReadUnaligned16 ((CONST UINT16*)&LinuxArguments->CmdLineSize);\r
- InitrdSize = ReadUnaligned16 ((CONST UINT16*)&LinuxArguments->InitrdSize);\r
-\r
- if (InitrdSize > 0) {\r
- Initrd = GetAlignedDevicePath ((EFI_DEVICE_PATH*)((UINTN)(LinuxArguments + 1) + CmdLineSize));\r
- } else {\r
- Initrd = NULL;\r
- }\r
-\r
- // Get the default FDT device path\r
- Status = gBS->LocateProtocol (&gEfiDevicePathFromTextProtocolGuid, NULL, (VOID **)&EfiDevicePathFromTextProtocol);\r
- ASSERT_EFI_ERROR(Status);\r
- DefaultFdtDevicePath = EfiDevicePathFromTextProtocol->ConvertTextToDevicePath ((CHAR16*)PcdGetPtr(PcdFdtDevicePath));\r
+ EFI_STATUS Status;\r
+ UINT16 LoadOptionIndexSize;\r
\r
- // Get the FDT device path\r
- FdtDevicePathSize = GetDevicePathSize (DefaultFdtDevicePath);\r
- Status = GetEnvironmentVariable ((CHAR16 *)L"FDT", DefaultFdtDevicePath, &FdtDevicePathSize, (VOID **)&FdtDevicePath);\r
- ASSERT_EFI_ERROR(Status);\r
-\r
- Status = BdsBootLinux (BootOption->FilePathList,\r
- Initrd, // Initrd\r
- (CHAR8*)(LinuxArguments + 1),\r
- FdtDevicePath);\r
- }\r
- } else {\r
- Status = BdsStartEfiApplication (mImageHandle, BootOption->FilePathList);\r
+ // Connect all the drivers if the EFI Application is not a EFI OS Loader\r
+ if ((BootOption->Attributes & LOAD_OPTION_CATEGORY) == LOAD_OPTION_CATEGORY_APP) {\r
+ BdsConnectAllDrivers ();\r
}\r
\r
- return Status;\r
-}\r
-\r
-EFI_STATUS\r
-BootOptionParseLoadOption (\r
- IN EFI_LOAD_OPTION EfiLoadOption,\r
- IN UINTN EfiLoadOptionSize,\r
- OUT BDS_LOAD_OPTION **BdsLoadOption\r
- )\r
-{\r
- BDS_LOAD_OPTION *LoadOption;\r
- UINTN FilePathListLength;\r
- UINTN DescriptionLength;\r
+ // Set BootCurrent variable\r
+ LoadOptionIndexSize = sizeof (UINT16);\r
+ gRT->SetVariable (L"BootCurrent", &gEfiGlobalVariableGuid,\r
+ EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r
+ LoadOptionIndexSize, &(BootOption->LoadOptionIndex));\r
\r
- if (EfiLoadOption == NULL) {\r
- return EFI_INVALID_PARAMETER;\r
- }\r
-\r
- if (EfiLoadOptionSize < sizeof(UINT32) + sizeof(UINT16) + sizeof(CHAR16) + sizeof(EFI_DEVICE_PATH_PROTOCOL)) {\r
- return EFI_BAD_BUFFER_SIZE;\r
- }\r
+ Status = BdsStartEfiApplication (gImageHandle, BootOption->FilePathList, BootOption->OptionalDataSize, BootOption->OptionalData);\r
\r
- LoadOption = (BDS_LOAD_OPTION*)AllocatePool(sizeof(BDS_LOAD_OPTION));\r
- if (LoadOption == NULL) {\r
- return EFI_OUT_OF_RESOURCES;\r
- }\r
-\r
- LoadOption->LoadOption = EfiLoadOption;\r
- LoadOption->LoadOptionSize = EfiLoadOptionSize;\r
-\r
- LoadOption->Attributes = *(UINT32*)EfiLoadOption;\r
- FilePathListLength = *(UINT16*)(EfiLoadOption + sizeof(UINT32));\r
- LoadOption->Description = (CHAR16*)(EfiLoadOption + sizeof(UINT32) + sizeof(UINT16));\r
- DescriptionLength = StrSize (LoadOption->Description);\r
- LoadOption->FilePathList = (EFI_DEVICE_PATH_PROTOCOL*)(EfiLoadOption + sizeof(UINT32) + sizeof(UINT16) + DescriptionLength);\r
-\r
- if ((UINTN)((UINT8*)LoadOption->FilePathList + FilePathListLength - EfiLoadOption) == EfiLoadOptionSize) {\r
- LoadOption->OptionalData = NULL;\r
- } else {\r
- LoadOption->OptionalData = (BDS_LOADER_OPTIONAL_DATA *)((UINT8*)LoadOption->FilePathList + FilePathListLength);\r
- }\r
-\r
- *BdsLoadOption = LoadOption;\r
- return EFI_SUCCESS;\r
-}\r
-\r
-EFI_STATUS\r
-BootOptionFromLoadOptionVariable (\r
- IN UINT16 LoadOptionIndex,\r
- OUT BDS_LOAD_OPTION **BdsLoadOption\r
- )\r
-{\r
- EFI_STATUS Status;\r
- CHAR16 BootVariableName[9];\r
- EFI_LOAD_OPTION EfiLoadOption;\r
- UINTN EfiLoadOptionSize;\r
-\r
- UnicodeSPrint (BootVariableName, 9 * sizeof(CHAR16), L"Boot%04X", LoadOptionIndex);\r
-\r
- Status = GetEnvironmentVariable (BootVariableName, NULL, &EfiLoadOptionSize, (VOID**)&EfiLoadOption);\r
- if (!EFI_ERROR(Status)) {\r
- Status = BootOptionParseLoadOption (EfiLoadOption,EfiLoadOptionSize,BdsLoadOption);\r
- if (!EFI_ERROR(Status)) {\r
- (*BdsLoadOption)->LoadOptionIndex = LoadOptionIndex;\r
- }\r
- }\r
+ // Clear BootCurrent variable\r
+ LoadOptionIndexSize = sizeof (UINT16);\r
+ gRT->SetVariable (L"BootCurrent", &gEfiGlobalVariableGuid,\r
+ EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r
+ 0, NULL);\r
\r
return Status;\r
}\r
InitializeListHead (BootOptionList);\r
\r
// Get the Boot Option Order from the environment variable\r
- Status = GetEnvironmentVariable (L"BootOrder", NULL, &BootOrderSize, (VOID**)&BootOrder);\r
+ Status = GetGlobalEnvironmentVariable (L"BootOrder", NULL, &BootOrderSize, (VOID**)&BootOrder);\r
if (EFI_ERROR(Status)) {\r
return Status;\r
}\r
\r
for (Index = 0; Index < BootOrderSize / sizeof (UINT16); Index++) {\r
- Status = BootOptionFromLoadOptionVariable (BootOrder[Index],&BdsLoadOption);\r
+ Status = BootOptionFromLoadOptionIndex (BootOrder[Index], &BdsLoadOption);\r
if (!EFI_ERROR(Status)) {\r
BdsLoadOptionEntry = (BDS_LOAD_OPTION_ENTRY*)AllocatePool(sizeof(BDS_LOAD_OPTION_ENTRY));\r
BdsLoadOptionEntry->BdsLoadOption = BdsLoadOption;\r
}\r
}\r
\r
- return EFI_SUCCESS;\r
-}\r
+ FreePool (BootOrder);\r
\r
-UINT16\r
-BootOptionAllocateBootIndex (\r
- VOID\r
- )\r
-{\r
- EFI_STATUS Status;\r
- UINTN Index;\r
- UINT32 BootIndex;\r
- UINT16 *BootOrder;\r
- UINTN BootOrderSize;\r
- BOOLEAN Found;\r
-\r
- // Get the Boot Option Order from the environment variable\r
- Status = GetEnvironmentVariable (L"BootOrder", NULL, &BootOrderSize, (VOID**)&BootOrder);\r
- if (!EFI_ERROR(Status)) {\r
- for (BootIndex = 0; BootIndex <= 0xFFFF; BootIndex++) {\r
- Found = FALSE;\r
- for (Index = 0; Index < BootOrderSize / sizeof (UINT16); Index++) {\r
- if (BootOrder[Index] == BootIndex) {\r
- Found = TRUE;\r
- break;\r
- }\r
- }\r
- if (!Found) {\r
- return BootIndex;\r
- }\r
- }\r
- }\r
- // Return the first index\r
- return 0;\r
+ return EFI_SUCCESS;\r
}\r
\r
STATIC\r
IN UINT32 Attributes,\r
IN CHAR16* BootDescription,\r
IN EFI_DEVICE_PATH_PROTOCOL* DevicePath,\r
- IN ARM_BDS_LOADER_TYPE BootType,\r
- IN ARM_BDS_LOADER_ARGUMENTS* BootArguments\r
+ IN UINT8* OptionalData,\r
+ IN UINTN OptionalDataSize\r
)\r
{\r
- EFI_LOAD_OPTION EfiLoadOption;\r
+ EFI_LOAD_OPTION *EfiLoadOption;\r
UINTN EfiLoadOptionSize;\r
UINTN BootDescriptionSize;\r
- UINTN BootOptionalDataSize;\r
UINT16 FilePathListLength;\r
UINT8* EfiLoadOptionPtr;\r
- UINT8* InitrdPathListPtr;\r
- UINTN OptionalDataSize;\r
- ARM_BDS_LINUX_ARGUMENTS* DestLinuxArguments;\r
- ARM_BDS_LINUX_ARGUMENTS* SrcLinuxArguments;\r
\r
// If we are overwriting an existent Boot Option then we have to free previously allocated memory\r
if (BootOption->LoadOption) {\r
- FreePool(BootOption->LoadOption);\r
+ FreePool (BootOption->LoadOption);\r
}\r
\r
BootDescriptionSize = StrSize (BootDescription);\r
- BootOptionalDataSize = sizeof(ARM_BDS_LOADER_OPTIONAL_DATA_HEADER);\r
- if ((BootType == BDS_LOADER_KERNEL_LINUX_ATAG) || (BootType == BDS_LOADER_KERNEL_LINUX_FDT)) {\r
- BootOptionalDataSize += sizeof(ARM_BDS_LINUX_ARGUMENTS) + BootArguments->LinuxArguments.CmdLineSize + BootArguments->LinuxArguments.InitrdSize;\r
- }\r
\r
// Compute the size of the FilePath list\r
FilePathListLength = GetUnalignedDevicePathSize (DevicePath);\r
\r
// Allocate the memory for the EFI Load Option\r
- EfiLoadOptionSize = sizeof(UINT32) + sizeof(UINT16) + BootDescriptionSize + FilePathListLength + BootOptionalDataSize;\r
- EfiLoadOption = (EFI_LOAD_OPTION)AllocatePool(EfiLoadOptionSize);\r
- EfiLoadOptionPtr = EfiLoadOption;\r
+ EfiLoadOptionSize = sizeof(UINT32) + sizeof(UINT16) + BootDescriptionSize + FilePathListLength + OptionalDataSize;\r
+ EfiLoadOption = (EFI_LOAD_OPTION *)AllocatePool(EfiLoadOptionSize);\r
+ EfiLoadOptionPtr = (UINT8 *)EfiLoadOption;\r
\r
//\r
// Populate the EFI Load Option and BDS Boot Option structures\r
\r
// Optional Data fields, Do unaligned writes\r
BootOption->OptionalData = EfiLoadOptionPtr;\r
- WriteUnaligned32 ((UINT32 *)EfiLoadOptionPtr, ARM_BDS_OPTIONAL_DATA_SIGNATURE);\r
- WriteUnaligned32 ((UINT32 *)(EfiLoadOptionPtr + 4), BootType);\r
-\r
- OptionalDataSize = sizeof(ARM_BDS_LOADER_OPTIONAL_DATA_HEADER);\r
-\r
- if ((BootType == BDS_LOADER_KERNEL_LINUX_ATAG) || (BootType == BDS_LOADER_KERNEL_LINUX_FDT)) {\r
- SrcLinuxArguments = &(BootArguments->LinuxArguments);\r
- DestLinuxArguments = &((ARM_BDS_LOADER_OPTIONAL_DATA*)EfiLoadOptionPtr)->Arguments.LinuxArguments;\r
\r
- WriteUnaligned16 ((UINT16 *)&(DestLinuxArguments->CmdLineSize), SrcLinuxArguments->CmdLineSize);\r
- WriteUnaligned16 ((UINT16 *)&(DestLinuxArguments->InitrdSize), SrcLinuxArguments->InitrdSize);\r
- OptionalDataSize += sizeof (ARM_BDS_LINUX_ARGUMENTS);\r
-\r
- if (SrcLinuxArguments->CmdLineSize > 0) {\r
- CopyMem ((VOID*)(DestLinuxArguments + 1), (VOID*)(SrcLinuxArguments + 1), SrcLinuxArguments->CmdLineSize);\r
- OptionalDataSize += SrcLinuxArguments->CmdLineSize;\r
- }\r
-\r
- if (SrcLinuxArguments->InitrdSize > 0) {\r
- InitrdPathListPtr = (UINT8*)((UINTN)(DestLinuxArguments + 1) + SrcLinuxArguments->CmdLineSize);\r
- CopyMem (InitrdPathListPtr, (VOID*)((UINTN)(SrcLinuxArguments + 1) + SrcLinuxArguments->CmdLineSize), SrcLinuxArguments->InitrdSize);\r
- }\r
+ if (OptionalData != NULL) {\r
+ CopyMem (BootOption->OptionalData, OptionalData, OptionalDataSize);\r
}\r
+\r
BootOption->OptionalDataSize = OptionalDataSize;\r
\r
// If this function is called at the creation of the Boot Device entry (not at the update) the\r
IN UINT32 Attributes,\r
IN CHAR16* BootDescription,\r
IN EFI_DEVICE_PATH_PROTOCOL* DevicePath,\r
- IN ARM_BDS_LOADER_TYPE BootType,\r
- IN ARM_BDS_LOADER_ARGUMENTS* BootArguments,\r
+ IN UINT8* OptionalData,\r
+ IN UINTN OptionalDataSize,\r
OUT BDS_LOAD_OPTION** BdsLoadOption\r
)\r
{\r
BootOptionEntry->BdsLoadOption = (BDS_LOAD_OPTION*)AllocateZeroPool (sizeof(BDS_LOAD_OPTION));\r
\r
BootOption = BootOptionEntry->BdsLoadOption;\r
- BootOptionSetFields (BootOption, Attributes, BootDescription, DevicePath, BootType, BootArguments);\r
+ BootOptionSetFields (BootOption, Attributes, BootDescription, DevicePath, OptionalData, OptionalDataSize);\r
\r
//\r
// Set the related environment variables\r
);\r
\r
// Add the new Boot Index to the list\r
- Status = GetEnvironmentVariable (L"BootOrder", NULL, &BootOrderSize, (VOID**)&BootOrder);\r
+ Status = GetGlobalEnvironmentVariable (L"BootOrder", NULL, &BootOrderSize, (VOID**)&BootOrder);\r
if (!EFI_ERROR(Status)) {\r
BootOrder = ReallocatePool (BootOrderSize, BootOrderSize + sizeof(UINT16), BootOrder);\r
// Add the new index at the end\r
BootOrder\r
);\r
\r
+ // We only free it if the UEFI Variable 'BootOrder' was already existing\r
+ if (BootOrderSize > sizeof(UINT16)) {\r
+ FreePool (BootOrder);\r
+ }\r
+\r
*BdsLoadOption = BootOption;\r
return Status;\r
}\r
IN UINT32 Attributes,\r
IN CHAR16* BootDescription,\r
IN EFI_DEVICE_PATH_PROTOCOL* DevicePath,\r
- IN ARM_BDS_LOADER_TYPE BootType,\r
- IN ARM_BDS_LOADER_ARGUMENTS* BootArguments\r
+ IN UINT8* OptionalData,\r
+ IN UINTN OptionalDataSize\r
)\r
{\r
EFI_STATUS Status;\r
CHAR16 BootVariableName[9];\r
\r
// Update the BDS Load Option structure\r
- BootOptionSetFields (BdsLoadOption, Attributes, BootDescription, DevicePath, BootType, BootArguments);\r
+ BootOptionSetFields (BdsLoadOption, Attributes, BootDescription, DevicePath, OptionalData, OptionalDataSize);\r
\r
// Update the related environment variables\r
UnicodeSPrint (BootVariableName, 9 * sizeof(CHAR16), L"Boot%04X", BdsLoadOption->LoadOptionIndex);\r
UINTN BootOrderSize;\r
UINT16* BootOrder;\r
UINTN BootOrderCount;\r
+ CHAR16 BootVariableName[9];\r
EFI_STATUS Status;\r
\r
// Remove the entry from the BootOrder environment variable\r
- Status = GetEnvironmentVariable (L"BootOrder", NULL, &BootOrderSize, (VOID**)&BootOrder);\r
+ Status = GetGlobalEnvironmentVariable (L"BootOrder", NULL, &BootOrderSize, (VOID**)&BootOrder);\r
if (!EFI_ERROR(Status)) {\r
BootOrderCount = BootOrderSize / sizeof(UINT16);\r
\r
if (BootOrder[Index] == BootOption->LoadOptionIndex) {\r
// If it the last entry we do not need to rearrange the BootOrder list\r
if (Index + 1 != BootOrderCount) {\r
- CopyMem (&BootOrder[Index],&BootOrder[Index+1], BootOrderCount - (Index + 1));\r
+ CopyMem (\r
+ &BootOrder[Index],\r
+ &BootOrder[Index + 1],\r
+ (BootOrderCount - (Index + 1)) * sizeof(UINT16)\r
+ );\r
}\r
break;\r
}\r
);\r
}\r
\r
- return EFI_SUCCESS;\r
+ // Delete Boot#### environment variable\r
+ UnicodeSPrint (BootVariableName, 9 * sizeof(CHAR16), L"Boot%04X", BootOption->LoadOptionIndex);\r
+ Status = gRT->SetVariable (\r
+ BootVariableName,\r
+ &gEfiGlobalVariableGuid,\r
+ EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r
+ 0,\r
+ NULL\r
+ );\r
+\r
+ FreePool (BootOrder);\r
+\r
+ return Status;\r
}\r
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