BaseTools: Add DevicePath support for PCD values

Use C code parse device path to output hex string, and Python
run command when PCD Value need device path parse.

https://bugzilla.tianocore.org/show_bug.cgi?id=541

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Yunhua Feng <yunhuax.feng@intel.com>
Signed-off-by: Yonghong Zhu <yonghong.zhu@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>

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):