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ArmPlatformPkg/Bds: Add an option in the Boot Manager to edit the Device Path of the Platform Device Tree 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12430 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
oliviermartin 2011-09-22 23:23:19 +00:00
parent 1ddb209e0e
commit 95b3580f82
1 changed files with 44 additions and 0 deletions
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44
ArmPlatformPkg/Bds/BootMenu.c
View File

@ -436,6 +436,49 @@ EXIT:
return Status;
}
EFI_STATUS
UpdateFdtPath (
IN LIST_ENTRY *BootOptionsList
)
{
EFI_STATUS Status;
BDS_SUPPORTED_DEVICE *SupportedBootDevice;
EFI_DEVICE_PATH_PROTOCOL *FdtDevicePathNode;
EFI_DEVICE_PATH_PROTOCOL *FdtDevicePath;
Status = SelectBootDevice (&SupportedBootDevice);
if (EFI_ERROR(Status)) {
Status = EFI_ABORTED;
goto EXIT;
}
// Create the specific device path node
Print(L"File path of the FDT blob: ");
Status = SupportedBootDevice->Support->CreateDevicePathNode (SupportedBootDevice, &FdtDevicePathNode, NULL, NULL);
if (EFI_ERROR(Status)) {
Status = EFI_ABORTED;
goto EXIT;
}
if (FdtDevicePathNode != NULL) {
// Append the Device Path node to the select device path
FdtDevicePath = AppendDevicePathNode (SupportedBootDevice->DevicePathProtocol, FdtDevicePathNode);
Status = gRT->SetVariable ((CHAR16*)L"FDT", &gEfiGlobalVariableGuid, (EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS ), 4, &FdtDevicePath);
ASSERT_EFI_ERROR(Status);
} else {
gRT->SetVariable ((CHAR16*)L"FDT", &gEfiGlobalVariableGuid, (EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS ), 0, NULL);
ASSERT_EFI_ERROR(Status);
}
EXIT:
if (Status == EFI_ABORTED) {
Print(L"\n");
}
FreePool(SupportedBootDevice);
return Status;
}
struct BOOT_MANAGER_ENTRY {
CONST CHAR16* Description;
EFI_STATUS (*Callback) (IN LIST_ENTRY *BootOptionsList);
@ -443,6 +486,7 @@ struct BOOT_MANAGER_ENTRY {
{ L"Add Boot Device Entry", BootMenuAddBootOption },
{ L"Update Boot Device Entry", BootMenuUpdateBootOption },
{ L"Remove Boot Device Entry", BootMenuRemoveBootOption },
{ L"Update FDT path", UpdateFdtPath },
};
EFI_STATUS