1 files changed, 32 insertions, 2 deletions
diff --git a/BaseTools/Source/Python/Common/Misc.py b/BaseTools/Source/Python/Common/Misc.py
index 59d1ba2639..15ad9e4f2e 100644
--- a/BaseTools/Source/Python/Common/Misc.py
+++ b/BaseTools/Source/Python/Common/Misc.py
@@ -38,7 +38,7 @@ from Common.LongFilePathSupport import OpenLongFilePath as open
 from Common.MultipleWorkspace import MultipleWorkspace as mws
 import uuid
 from CommonDataClass.Exceptions import BadExpression
-
+import subprocess
 ## Regular expression used to find out place holders in string template
 gPlaceholderPattern = re.compile("\$\{([^$()\s]+)\}", re.MULTILINE | re.UNICODE)
 
@@ -1474,7 +1474,37 @@ def AnalyzePcdExpression(Setting):
     return FieldList
 
 def ParseDevPathValue (Value):
-    pass
+    DevPathList = [ "Path","HardwarePath","Pci","PcCard","MemoryMapped","VenHw","Ctrl","BMC","AcpiPath","Acpi","PciRoot",
+                    "PcieRoot","Floppy","Keyboard","Serial","ParallelPort","AcpiEx","AcpiExp","AcpiAdr","Msg","Ata","Scsi",
+                    "Fibre","FibreEx","I1394","USB","I2O","Infiniband","VenMsg","VenPcAnsi","VenVt100","VenVt100Plus",
+                    "VenUtf8","UartFlowCtrl","SAS","SasEx","NVMe","UFS","SD","eMMC","DebugPort","MAC","IPv4","IPv6","Uart",
+                    "UsbClass","UsbAudio","UsbCDCControl","UsbHID","UsbImage","UsbPrinter","UsbMassStorage","UsbHub",
+                    "UsbCDCData","UsbSmartCard","UsbVideo","UsbDiagnostic","UsbWireless","UsbDeviceFirmwareUpdate",
+                    "UsbIrdaBridge","UsbTestAndMeasurement","UsbWwid","Unit","iSCSI","Vlan","Uri","Bluetooth","Wi-Fi",
+                    "MediaPath","HD","CDROM","VenMedia","Media","Fv","FvFile","Offset","RamDisk","VirtualDisk","VirtualCD",
+                    "PersistentVirtualDisk","PersistentVirtualCD","BbsPath","BBS","Sata" ]
+    if '\\' in Value:
+        Value.replace('\\', '/').replace(' ', '')
+    for Item in Value.split('/'):
+        Key = Item.strip().split('(')[0]
+        if Key not in DevPathList:
+            pass
+
+    Cmd = 'DevicePath ' + '"' + Value + '"'
+    try:
+        p = subprocess.Popen(Cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True)
+        out, err = p.communicate()
+    except Exception, X:
+        raise BadExpression("DevicePath: %s" % (str(X)) )
+    finally:
+        subprocess._cleanup()
+        p.stdout.close()
+        p.stderr.close()
+    if err:
+        raise BadExpression("DevicePath: %s" % str(err))
+    Size = len(out.split())
+    out = ','.join(out.split())
+    return '{' + out + '}', Size
 
 def ParseFieldValue (Value):
     if type(Value) == type(0):