EFI_STATUS
BdsLoadOptionMemMapUpdateDevicePath (
IN EFI_DEVICE_PATH *OldDevicePath,
IN CHAR16* FileName,
OUT EFI_DEVICE_PATH_PROTOCOL **NewDevicePath
)
{
EFI_STATUS Status;
CHAR16 StrStartingAddress[BOOT_DEVICE_ADDRESS_MAX];
CHAR16 StrEndingAddress[BOOT_DEVICE_ADDRESS_MAX];
MEMMAP_DEVICE_PATH* EndingDevicePath;
EFI_DEVICE_PATH* DevicePath;
DevicePath = DuplicateDevicePath (OldDevicePath);
EndingDevicePath = (MEMMAP_DEVICE_PATH*)GetLastDevicePathNode (DevicePath);
Print(L"Starting Address of the %s: ", FileName);
UnicodeSPrint (StrStartingAddress, BOOT_DEVICE_ADDRESS_MAX, L"0x%X", (UINTN)EndingDevicePath->StartingAddress);
Status = EditHIInputStr (StrStartingAddress, BOOT_DEVICE_ADDRESS_MAX);
if (EFI_ERROR(Status)) {
//return EFI_ABORTED;
goto Exit;
}
Print(L"Ending Address of the %s: ", FileName);
UnicodeSPrint (StrEndingAddress, BOOT_DEVICE_ADDRESS_MAX, L"0x%X", (UINTN)EndingDevicePath->EndingAddress);
Status = EditHIInputStr (StrEndingAddress, BOOT_DEVICE_ADDRESS_MAX);
if (EFI_ERROR(Status)) {
goto Exit;
//return EFI_ABORTED;
}
EndingDevicePath->StartingAddress = StrHexToUint64 (StrStartingAddress);
EndingDevicePath->EndingAddress = StrHexToUint64 (StrEndingAddress);
Exit:
if (EFI_ERROR(Status)) {
FreePool(DevicePath);
} else {
*NewDevicePath = DevicePath;
}
return Status;
}
/**
Function try to convert a string to GUID format.
@param[in] String The string will be converted.
@param[out] Guid Save the result convert from string.
@retval EFI_SUCCESS The string was successfully converted to a GUID.
@retval EFI_UNSUPPORTED The input string is not in registry format.
**/
EFI_STATUS
ConvertStrToGuid(
IN CONST CHAR16 *String,
OUT GUID *Guid
)
{
CONST CHAR16 *Walker;
UINT8 TempValue;
UINTN Index;
if (String == NULL || !IsValidGuidString (String)) {
return EFI_UNSUPPORTED;
}
Index = 0;
Walker = String;
Guid->Data1 = (UINT32)StrHexToUint64 (Walker);
Walker += 9;
Guid->Data2 = (UINT16)StrHexToUint64 (Walker);
Walker += 5;
Guid->Data3 = (UINT16)StrHexToUint64 (Walker);
Walker += 5;
while (Walker != NULL && *Walker != CHAR_NULL) {
if (*Walker == L'-') {
Walker++;
} else {
TempValue = (UINT8)HexCharToDecimal (*Walker);
TempValue = (UINT8)LShiftU64 (TempValue, 4);
Walker++;
TempValue += (UINT8)HexCharToDecimal (*Walker);
Walker++;
Guid->Data4[Index] = TempValue;
Index++;
}
}
return EFI_SUCCESS;
}
EFI_STATUS
BdsLoadOptionMemMapCreateDevicePath (
IN CHAR16* FileName,
OUT EFI_DEVICE_PATH_PROTOCOL **DevicePathNodes
)
{
EFI_STATUS Status;
MEMMAP_DEVICE_PATH *MemMapDevicePath;
CHAR16 StrStartingAddress[BOOT_DEVICE_ADDRESS_MAX];
CHAR16 StrEndingAddress[BOOT_DEVICE_ADDRESS_MAX];
Print(L"Starting Address of the %s: ", FileName);
Status = GetHIInputStr (StrStartingAddress, BOOT_DEVICE_ADDRESS_MAX);
if (EFI_ERROR(Status)) {
return EFI_ABORTED;
}
Print(L"Ending Address of the %s: ", FileName);
Status = GetHIInputStr (StrEndingAddress, BOOT_DEVICE_ADDRESS_MAX);
if (EFI_ERROR(Status)) {
return EFI_ABORTED;
}
// Create the MemMap Device Path Node
MemMapDevicePath = (MEMMAP_DEVICE_PATH*)AllocatePool (sizeof(MEMMAP_DEVICE_PATH) + END_DEVICE_PATH_LENGTH);
if (NULL == MemMapDevicePath)
{
return EFI_OUT_OF_RESOURCES;
}
MemMapDevicePath->Header.Type = HARDWARE_DEVICE_PATH;
MemMapDevicePath->Header.SubType = HW_MEMMAP_DP;
SetDevicePathNodeLength (MemMapDevicePath, sizeof(MEMMAP_DEVICE_PATH));
MemMapDevicePath->MemoryType = EfiBootServicesData;
MemMapDevicePath->StartingAddress = StrHexToUint64 (StrStartingAddress);
MemMapDevicePath->EndingAddress = StrHexToUint64 (StrEndingAddress);
// Set a Device Path End Node after the Memory Map Device Path Node
SetDevicePathEndNode (MemMapDevicePath + 1);
*DevicePathNodes = (EFI_DEVICE_PATH_PROTOCOL*)MemMapDevicePath;
return Status;
}
