sravan/system76-edk2
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

BDS enhancement: enumerate & show all legacy boot options in Boot Manager so that user is able to boot any devices in the same type in Boot Manager without changing the legacy dev order.

Browse Source 
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11279 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
niruiyu
2011-01-28 02:36:26 +00:00
parent fbd26c4b17
commit 22d1f97835
8 changed files with 781 additions and 673 deletions
Download Patch File Download Diff File Expand all files Collapse all files

56
IntelFrameworkModulePkg/Universal/BdsDxe/BootMaint/BootMaint.c
View File

@@ -1441,59 +1441,3 @@ FormSetDispatcher (
}
/**
Deletete the Boot Option from EFI Variable. The Boot Order Arrray
is also updated.
@param OptionNumber The number of Boot option want to be deleted.
@param BootOrder The Boot Order array.
@param BootOrderSize The size of the Boot Order Array.
@retval EFI_SUCCESS The Boot Option Variable was found and removed
@retval EFI_UNSUPPORTED The Boot Option Variable store was inaccessible
@retval EFI_NOT_FOUND The Boot Option Variable was not found
**/
EFI_STATUS
EFIAPI
BdsDeleteBootOption (
IN UINTN OptionNumber,
IN OUT UINT16 *BootOrder,
IN OUT UINTN *BootOrderSize
)
{
UINT16 BootOption[100];
UINTN Index;
EFI_STATUS Status;
UINTN Index2Del;
Status = EFI_SUCCESS;
Index2Del = 0;
UnicodeSPrint (BootOption, sizeof (BootOption), L"Boot%04x", OptionNumber);
Status = EfiLibDeleteVariable (BootOption, &gEfiGlobalVariableGuid);
//
// adjust boot order array
//
for (Index = 0; Index < *BootOrderSize / sizeof (UINT16); Index++) {
if (BootOrder[Index] == OptionNumber) {
Index2Del = Index;
break;
}
}
if (Index != *BootOrderSize / sizeof (UINT16)) {
for (Index = 0; Index < *BootOrderSize / sizeof (UINT16) - 1; Index++) {
if (Index >= Index2Del) {
BootOrder[Index] = BootOrder[Index + 1];
}
}
*BootOrderSize -= sizeof (UINT16);
}
return Status;
}