if (FindMem(Buffer, 512, "Press any key to restart", 24) >= 0)
Volume->HasBootCode = FALSE;
- // dummy FAT boot sector (created by iPartition)
- if ((FindMem(Buffer, 512, "Medienfehler", 12) >= 0) &&
- (FindMem(Buffer, 512, "Neustart: Taste dr\x81" "ken", 22) >= 0))
- Volume->HasBootCode = FALSE;
-
// check for MBR partition table
if (*((UINT16 *)(Buffer + 510)) == 0xaa55) {
MbrTable = (MBR_PARTITION_INFO *)(Buffer + 446);
SPrint(TheValue, 255, L"%ld%s", SizeInIeee, Units);
} // if
return TheValue;
-} // CHAR16 *SizeInSIUnits()
+} // CHAR16 *SizeInIEEEUnits()
// Return a name for the volume. Ideally this should be the label for the
// filesystem it contains, but this function falls back to describing the
return FoundName;
} // static CHAR16 *GetVolumeName()
+// Determine the unique GUID of the volume and store it.
+static VOID SetPartGuid(REFIT_VOLUME *Volume, EFI_DEVICE_PATH_PROTOCOL *DevicePath) {
+ HARDDRIVE_DEVICE_PATH *HdDevicePath;
+
+ if (Volume == NULL)
+ return;
+
+ if ((DevicePath->Type == MEDIA_DEVICE_PATH) && (DevicePath->SubType == MEDIA_HARDDRIVE_DP)) {
+ HdDevicePath = (HARDDRIVE_DEVICE_PATH*) DevicePath;
+ Volume->PartGuid = *((EFI_GUID*) HdDevicePath->Signature);
+ }
+} // VOID SetPartGuid()
+
VOID ScanVolume(REFIT_VOLUME *Volume)
{
EFI_STATUS Status;
while (DevicePath != NULL && !IsDevicePathEndType(DevicePath)) {
NextDevicePath = NextDevicePathNode(DevicePath);
+ if (DevicePathType(DevicePath) == MEDIA_DEVICE_PATH) {
+ SetPartGuid(Volume, DevicePath);
+ }
if (DevicePathType(DevicePath) == MESSAGING_DEVICE_PATH &&
(DevicePathSubType(DevicePath) == MSG_USB_DP ||
DevicePathSubType(DevicePath) == MSG_USB_CLASS_DP ||
UINTN SectorSum, i, VolNumber = 0;
UINT8 *SectorBuffer1, *SectorBuffer2;
EFI_GUID *UuidList;
- EFI_GUID NullUuid = { 00000000, 0000, 0000, {0000, 0000, 0000, 0000} };
+ EFI_GUID NullUuid = NULL_GUID_VALUE;
MyFreePool(Volumes);
Volumes = NULL;
return (Ejected > 0);
} // VOID EjectMedia()
+// Converts consecutive characters in the input string into a
+// number, interpreting the string as a hexadecimal number, starting
+// at the specified position and continuing for the specified number
+// of characters or until the end of the string, whichever is first.
+// NumChars must be between 1 and 16. Ignores invalid characters.
+UINT64 StrToHex(CHAR16 *Input, UINTN Pos, UINTN NumChars) {
+ UINT64 retval = 0x00;
+ UINTN NumDone = 0;
+ CHAR16 a;
+
+ if ((Input == NULL) || (StrLen(Input) < Pos) || (NumChars == 0) || (NumChars > 16)) {
+ return 0;
+ }
+
+ while ((StrLen(Input) >= Pos) && (NumDone < NumChars)) {
+ a = Input[Pos];
+ if ((a >= '0') && (a <= '9')) {
+ retval *= 0x10;
+ retval += (a - '0');
+ NumDone++;
+ }
+ if ((a >= 'a') && (a <= 'f')) {
+ retval *= 0x10;
+ retval += (a - 'a' + 0x0a);
+ NumDone++;
+ }
+ if ((a >= 'A') && (a <= 'F')) {
+ retval *= 0x10;
+ retval += (a - 'A' + 0x0a);
+ NumDone++;
+ }
+ Pos++;
+ } // while()
+ return retval;
+} // StrToHex()
+
+// Returns TRUE if UnknownString can be interpreted as a GUID, FALSE otherwise.
+// Note that the input string must have no extraneous spaces and must be
+// conventionally formatted as a 36-character GUID, complete with dashes in
+// appropriate places.
+BOOLEAN IsGuid(CHAR16 *UnknownString) {
+ UINTN Length, i;
+ BOOLEAN retval = TRUE;
+ CHAR16 a;
+
+ if (UnknownString == NULL)
+ return FALSE;
+
+ Length = StrLen(UnknownString);
+ if (Length != 36)
+ return FALSE;
+
+ for (i = 0; i < Length; i++) {
+ a = UnknownString[i];
+ if (((i == 8) || (i == 13) || (i == 18) || (i == 23)) && (a != '-')) {
+ retval = FALSE;
+ } else if (((a < 'a') || (a > 'f')) && ((a < 'A') || (a > 'F')) && ((a < '0') && (a > '9'))) {
+ retval = FALSE;
+ } // if/else
+ } // for
+ return retval;
+} // BOOLEAN IsGuid()
// Return the GUID as a string, suitable for display to the user. Note that the calling
// function is responsible for freeing the allocated memory.
}
return TheString;
} // GuidAsString(EFI_GUID *GuidData)
+
+EFI_GUID StringAsGuid(CHAR16 * InString) {
+ EFI_GUID Guid = NULL_GUID_VALUE;
+
+ if (!IsGuid(InString)) {
+ return Guid;
+ }
+
+ Guid.Data1 = (UINT32) StrToHex(InString, 0, 8);
+ Guid.Data2 = (UINT16) StrToHex(InString, 9, 4);
+ Guid.Data3 = (UINT16) StrToHex(InString, 14, 4);
+ Guid.Data4[0] = (UINT8) StrToHex(InString, 19, 2);
+ Guid.Data4[1] = (UINT8) StrToHex(InString, 21, 2);
+ Guid.Data4[2] = (UINT8) StrToHex(InString, 23, 2);
+ Guid.Data4[3] = (UINT8) StrToHex(InString, 26, 2);
+ Guid.Data4[4] = (UINT8) StrToHex(InString, 28, 2);
+ Guid.Data4[5] = (UINT8) StrToHex(InString, 30, 2);
+ Guid.Data4[6] = (UINT8) StrToHex(InString, 32, 2);
+ Guid.Data4[7] = (UINT8) StrToHex(InString, 34, 2);
+
+ return Guid;
+} // EFI_GUID StringAsGuid()
+
+// Returns TRUE if the two GUIDs are equal, FALSE otherwise
+BOOLEAN GuidsAreEqual(EFI_GUID *Guid1, EFI_GUID *Guid2) {
+ return ((Guid1->Data1 == Guid2->Data1) && (Guid1->Data2 == Guid2->Data2) && (Guid1->Data3 == Guid2->Data3) &&
+ (Guid1->Data4[0] == Guid2->Data4[0]) && (Guid1->Data4[1] == Guid2->Data4[1]) &&
+ (Guid1->Data4[2] == Guid2->Data4[2]) && (Guid1->Data4[3] == Guid2->Data4[3]) &&
+ (Guid1->Data4[4] == Guid2->Data4[4]) && (Guid1->Data4[5] == Guid2->Data4[5]) &&
+ (Guid1->Data4[6] == Guid2->Data4[6]) && (Guid1->Data4[7] == Guid2->Data4[7]));
+} // BOOLEAN CompareGuids()
\ No newline at end of file