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ArmPkg/BdsLib: Move some functions used to create/update BDS Boot Entry from ArmPlatformPkg/Bds to ArmPkg/BdsLib

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These functions can be reused by any EFI application to add/update a BDS Boot Entry.



git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12314 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
oliviermartin
2011-09-09 10:54:33 +00:00
parent 2755d844f9
commit 4aa2417061
6 changed files with 112 additions and 172 deletions
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101
ArmPlatformPkg/Bds/BootOption.c
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@@ -91,73 +91,6 @@ BootOptionStart (
return Status;
}
EFI_STATUS
BootOptionParseLoadOption (
IN EFI_LOAD_OPTION EfiLoadOption,
IN UINTN EfiLoadOptionSize,
OUT BDS_LOAD_OPTION **BdsLoadOption
)
{
BDS_LOAD_OPTION *LoadOption;
UINTN FilePathListLength;
UINTN DescriptionLength;
if (EfiLoadOption == NULL) {
return EFI_INVALID_PARAMETER;
}
if (EfiLoadOptionSize < sizeof(UINT32) + sizeof(UINT16) + sizeof(CHAR16) + sizeof(EFI_DEVICE_PATH_PROTOCOL)) {
return EFI_BAD_BUFFER_SIZE;
}
LoadOption = (BDS_LOAD_OPTION*)AllocatePool(sizeof(BDS_LOAD_OPTION));
if (LoadOption == NULL) {
return EFI_OUT_OF_RESOURCES;
}
LoadOption->LoadOption = EfiLoadOption;
LoadOption->LoadOptionSize = EfiLoadOptionSize;
LoadOption->Attributes = *(UINT32*)EfiLoadOption;
FilePathListLength = *(UINT16*)(EfiLoadOption + sizeof(UINT32));
LoadOption->Description = (CHAR16*)(EfiLoadOption + sizeof(UINT32) + sizeof(UINT16));
DescriptionLength = StrSize (LoadOption->Description);
LoadOption->FilePathList = (EFI_DEVICE_PATH_PROTOCOL*)(EfiLoadOption + sizeof(UINT32) + sizeof(UINT16) + DescriptionLength);
if ((UINTN)((UINT8*)LoadOption->FilePathList + FilePathListLength - EfiLoadOption) == EfiLoadOptionSize) {
LoadOption->OptionalData = NULL;
} else {
LoadOption->OptionalData = (BDS_LOADER_OPTIONAL_DATA *)((UINT8*)LoadOption->FilePathList + FilePathListLength);
}
*BdsLoadOption = LoadOption;
return EFI_SUCCESS;
}
EFI_STATUS
BootOptionFromLoadOptionVariable (
IN UINT16 LoadOptionIndex,
OUT BDS_LOAD_OPTION **BdsLoadOption
)
{
EFI_STATUS Status;
CHAR16 BootVariableName[9];
EFI_LOAD_OPTION EfiLoadOption;
UINTN EfiLoadOptionSize;
UnicodeSPrint (BootVariableName, 9 * sizeof(CHAR16), L"Boot%04X", LoadOptionIndex);
Status = GetEnvironmentVariable (BootVariableName, NULL, &EfiLoadOptionSize, (VOID**)&EfiLoadOption);
if (!EFI_ERROR(Status)) {
Status = BootOptionParseLoadOption (EfiLoadOption,EfiLoadOptionSize,BdsLoadOption);
if (!EFI_ERROR(Status)) {
(*BdsLoadOption)->LoadOptionIndex = LoadOptionIndex;
}
}
return Status;
}
EFI_STATUS
BootOptionList (
IN OUT LIST_ENTRY *BootOptionList
@@ -179,7 +112,7 @@ BootOptionList (
}
for (Index = 0; Index < BootOrderSize / sizeof (UINT16); Index++) {
Status = BootOptionFromLoadOptionVariable (BootOrder[Index],&BdsLoadOption);
Status = BootOptionFromLoadOptionIndex (BootOrder[Index], &BdsLoadOption);
if (!EFI_ERROR(Status)) {
BdsLoadOptionEntry = (BDS_LOAD_OPTION_ENTRY*)AllocatePool(sizeof(BDS_LOAD_OPTION_ENTRY));
BdsLoadOptionEntry->BdsLoadOption = BdsLoadOption;
@@ -190,38 +123,6 @@ BootOptionList (
return EFI_SUCCESS;
}
UINT16
BootOptionAllocateBootIndex (
VOID
)
{
EFI_STATUS Status;
UINTN Index;
UINT32 BootIndex;
UINT16 *BootOrder;
UINTN BootOrderSize;
BOOLEAN Found;
// Get the Boot Option Order from the environment variable
Status = GetEnvironmentVariable (L"BootOrder", NULL, &BootOrderSize, (VOID**)&BootOrder);
if (!EFI_ERROR(Status)) {
for (BootIndex = 0; BootIndex <= 0xFFFF; BootIndex++) {
Found = FALSE;
for (Index = 0; Index < BootOrderSize / sizeof (UINT16); Index++) {
if (BootOrder[Index] == BootIndex) {
Found = TRUE;
break;
}
}
if (!Found) {
return BootIndex;
}
}
}
// Return the first index
return 0;
}
STATIC
EFI_STATUS
BootOptionSetFields (