BaseTools: Convert Split tool to python

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3165

There are 2 reasons to convert Split tool from C to Python.
1. We are in the process of moving the Basetools Python code
to a separate repository. But there still are many C tools under
edk2/BaseTools. To make all Basetools be in the separate repo,
we can convert the C tools to Python tools.
2. The original Split tool is very slow. This python tool can reduce
90% time.

Signed-off-by: Bob Feng <bob.c.feng@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Yuwei Chen <yuwei.chen@intel.com>

Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
Reviewed-by: Yuwei Chen <yuwei.chen@intel.com>

9 files changed, 223 insertions, 524 deletions

diff --git a/BaseTools/BinWrappers/PosixLike/Split b/BaseTools/BinWrappers/PosixLike/Split
index 0945d86d92..f3770eed42 100755
--- a/BaseTools/BinWrappers/PosixLike/Split
+++ b/BaseTools/BinWrappers/PosixLike/Split
@@ -1,29 +1,14 @@
 #!/usr/bin/env bash
+#python `dirname $0`/RunToolFromSource.py `basename $0` $*
+
+# If a ${PYTHON_COMMAND} command is available, use it in preference to python
+if command -v ${PYTHON_COMMAND} >/dev/null 2>&1; then
+    python_exe=${PYTHON_COMMAND}
+fi
 
 full_cmd=${BASH_SOURCE:-$0} # see http://mywiki.wooledge.org/BashFAQ/028 for a discussion of why $0 is not a good choice here
 dir=$(dirname "$full_cmd")
 cmd=${full_cmd##*/}
 
-if [ -n "$WORKSPACE" ] && [ -e "$WORKSPACE/Conf/BaseToolsCBinaries" ]
-then
-  exec "$WORKSPACE/Conf/BaseToolsCBinaries/$cmd"
-elif [ -n "$WORKSPACE" ] && [ -e "$EDK_TOOLS_PATH/Source/C" ]
-then
-  if [ ! -e "$EDK_TOOLS_PATH/Source/C/bin/$cmd" ]
-  then
-    echo "BaseTools C Tool binary was not found ($cmd)"
-    echo "You may need to run:"
-    echo "  make -C $EDK_TOOLS_PATH/Source/C"
-  else
-    exec "$EDK_TOOLS_PATH/Source/C/bin/$cmd" "$@"
-  fi
-elif [ -e "$dir/../../Source/C/bin/$cmd" ]
-then
-  exec "$dir/../../Source/C/bin/$cmd" "$@"
-else
-  echo "Unable to find the real '$cmd' to run"
-  echo "This message was printed by"
-  echo "  $0"
-  exit 127
-fi
-
+export PYTHONPATH="$dir/../../Source/Python${PYTHONPATH:+:"$PYTHONPATH"}"
+exec "${python_exe:-python}" "$dir/../../Source/Python/$cmd/$cmd.py" "$@"
diff --git a/BaseTools/BinWrappers/WindowsLike/Split.bat b/BaseTools/BinWrappers/WindowsLike/Split.bat
new file mode 100644
index 0000000000..9616cd893b
--- /dev/null
+++ b/BaseTools/BinWrappers/WindowsLike/Split.bat
@@ -0,0 +1,3 @@
+@setlocal

+@set ToolName=%~n0%

+@%PYTHON_COMMAND% %BASE_TOOLS_PATH%\Source\Python\%ToolName%\%ToolName%.py %*

diff --git a/BaseTools/Source/C/GNUmakefile b/BaseTools/Source/C/GNUmakefile
index 464f432774..8c191e0c38 100644
--- a/BaseTools/Source/C/GNUmakefile
+++ b/BaseTools/Source/C/GNUmakefile
@@ -57,7 +57,6 @@ APPLICATIONS = \
   GenSec \

   GenCrc32 \

   LzmaCompress \

-  Split \

   TianoCompress \

   VolInfo \

   DevicePath

diff --git a/BaseTools/Source/C/Makefile b/BaseTools/Source/C/Makefile
index e8f8abe59a..a376d32e22 100644
--- a/BaseTools/Source/C/Makefile
+++ b/BaseTools/Source/C/Makefile
@@ -19,7 +19,6 @@ APPLICATIONS = \
   GenFw \

   GenSec \

   LzmaCompress \

-  Split \

   TianoCompress \

   VolInfo \

   DevicePath

diff --git a/BaseTools/Source/C/Split/GNUmakefile b/BaseTools/Source/C/Split/GNUmakefile
deleted file mode 100644
index b3d4dff51a..0000000000
--- a/BaseTools/Source/C/Split/GNUmakefile
+++ /dev/null
@@ -1,17 +0,0 @@
-## @file

-# GNU/Linux makefile for 'Split' module build.

-#

-# Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>

-# SPDX-License-Identifier: BSD-2-Clause-Patent

-#

-MAKEROOT ?= ..

-

-APPNAME = Split

-

-OBJECTS = Split.o

-

-include $(MAKEROOT)/Makefiles/app.makefile

-

-LIBS = -lCommon

-

-

diff --git a/BaseTools/Source/C/Split/Makefile b/BaseTools/Source/C/Split/Makefile
deleted file mode 100644
index 19d3e31a76..0000000000
--- a/BaseTools/Source/C/Split/Makefile
+++ /dev/null
@@ -1,16 +0,0 @@
-## @file

-# Windows makefile for 'Split' module build.

-#

-# Copyright (c) 2007 - 2010, Intel Corporation. All rights reserved.<BR>

-# SPDX-License-Identifier: BSD-2-Clause-Patent

-#

-!INCLUDE ..\Makefiles\ms.common

-

-APPNAME = Split

-

-LIBS = $(LIB_PATH)\Common.lib

-

-OBJECTS = Split.obj

-

-!INCLUDE ..\Makefiles\ms.app

-

diff --git a/BaseTools/Source/C/Split/Split.c b/BaseTools/Source/C/Split/Split.c
deleted file mode 100644
index be0ee124bf..0000000000
--- a/BaseTools/Source/C/Split/Split.c
+++ /dev/null
@@ -1,466 +0,0 @@
-/** @file

-

-  Split a file into two pieces at the request offset.

-

-Copyright (c) 1999 - 2017, Intel Corporation. All rights reserved.<BR>

-SPDX-License-Identifier: BSD-2-Clause-Patent

-

-**/

-

-// GC_TODO: fix comment to start with /*++

-#include <stdio.h>

-#include <string.h>

-#include <stdlib.h>

-#ifdef __GNUC__

-#include <unistd.h>

-#else

-#include <direct.h>

-#endif

-#include <ctype.h>

-#include "ParseInf.h"

-#include "CommonLib.h"

-#include "EfiUtilityMsgs.h"

-//

-// Utility Name

-//

-#define UTILITY_NAME  "Split"

-

-//

-// Utility version information

-//

-#define UTILITY_MAJOR_VERSION 1

-#define UTILITY_MINOR_VERSION 0

-

-void

-Version (

-  void

-  )

-/*++

-

-Routine Description:

-

-  Displays the standard utility information to SDTOUT

-

-Arguments:

-

-  None

-

-Returns:

-

-  None

-

---*/

-{

-  printf ("%s Version %d.%d Build %s\n", UTILITY_NAME, UTILITY_MAJOR_VERSION, UTILITY_MINOR_VERSION, __BUILD_VERSION);

-}

-

-void

-Usage (

-  void

-  )

-/*++

-

-Routine Description:

-

-  GC_TODO: Add function description

-

-Arguments:

-

-

-Returns:

-

-  GC_TODO: add return values

-

---*/

-{

-  Version();

-  printf ("Copyright (c) 1999-2017 Intel Corporation. All rights reserved.\n");

-  printf ("\n  SplitFile creates two Binary files either in the same directory as the current working\n");

-  printf ("  directory or in the specified directory.\n");

-  printf ("\nUsage: \n\

-   Split\n\

-     -f, --filename inputFile to split\n\

-     -s, --split VALUE the number of bytes in the first file\n\

-     [-p, --prefix OutputDir]\n\

-     [-o, --firstfile Filename1]\n\

-     [-t, --secondfile Filename2]\n\

-     [-v, --verbose]\n\

-     [--version]\n\

-     [-q, --quiet disable all messages except fatal errors]\n\

-     [-d, --debug[#]\n\

-     [-h, --help]\n");

-}

-

-EFI_STATUS

-GetSplitValue (

-  IN CONST CHAR8* SplitValueString,

-  OUT UINT64 *ReturnValue

-)

-{

-  UINT64 len = 0;

-  UINT64 base = 1;

-  UINT64 index = 0;

-  UINT64 number = 0;

-  CHAR8 lastCHAR = 0;

-  EFI_STATUS Status = EFI_SUCCESS;

-

-  if (SplitValueString != NULL){

-    len = strlen(SplitValueString);

-  }

-

-  if (len == 0) {

-    return EFI_ABORTED;

-  }

-

-  Status = AsciiStringToUint64 (SplitValueString, FALSE, ReturnValue);

-  if (!EFI_ERROR (Status)) {

-    return Status;

-  }

-

-  if (SplitValueString[0] == '0' && (SplitValueString[1] == 'x' || SplitValueString[1] == 'X')) {

-    Status = AsciiStringToUint64 (SplitValueString, TRUE, ReturnValue);

-    if (!EFI_ERROR (Status)) {

-      return Status;

-    }

-  }

-

-  lastCHAR = (CHAR8)toupper((int)SplitValueString[len - 1]);

-

-  if (lastCHAR != 'K' && lastCHAR != 'M' && lastCHAR != 'G') {

-    return STATUS_ERROR;

-  }

-

-  for (;index < len - 1; ++index) {

-    if (!isdigit((int)SplitValueString[index])) {

-      return EFI_ABORTED;

-    }

-  }

-

-  number = atol (SplitValueString);

-  if (lastCHAR == 'K')

-    base = 1024;

-  else if (lastCHAR == 'M')

-    base = 1024*1024;

-  else

-    base = 1024*1024*1024;

-

-  *ReturnValue = number*base;

-

-  return EFI_SUCCESS;

-}

-

-EFI_STATUS

-CountVerboseLevel (

-  IN CONST CHAR8* VerboseLevelString,

-  IN CONST UINT64 Length,

-  OUT UINT64 *ReturnValue

-)

-{

-  UINT64 i = 0;

-  for (;i < Length; ++i) {

-    if (VerboseLevelString[i] != 'v' && VerboseLevelString[i] != 'V') {

-      return EFI_ABORTED;

-    }

-    ++(*ReturnValue);

-  }

-

-  return EFI_SUCCESS;

-}

-

-EFI_STATUS

-CreateDir (

-  IN OUT CHAR8** FullFileName

-)

-{

-  CHAR8* temp = *FullFileName;

-  CHAR8* start = temp;

-  CHAR8  tempchar;

-  UINT64 index = 0;

-

-  for (;index < strlen(temp); ++index) {

-    if (temp[index] == '\\' || temp[index] == '/') {

-      if (temp[index + 1] != '\0') {

-        tempchar = temp[index + 1];

-        temp[index + 1] = 0;

-        if (chdir(start)) {

-          if (mkdir(start, S_IRWXU | S_IRWXG | S_IRWXO) != 0) {

-            return EFI_ABORTED;

-          }

-          chdir(start);

-        }

-        start = temp + index + 1;

-        temp[index] = '/';

-        temp[index + 1] = tempchar;

-      }

-    }

-  }

-

-  return EFI_SUCCESS;

-}

-

-int

-main (

-  int argc,

-  char*argv[]

-  )

-/*++

-

-Routine Description:

-

-  GC_TODO: Add function description

-

-Arguments:

-

-  argc  - GC_TODO: add argument description

-  ]     - GC_TODO: add argument description

-

-Returns:

-

-  GC_TODO: add return values

-

---*/

-{

-  EFI_STATUS    Status = EFI_SUCCESS;

-  INTN          ReturnStatus = STATUS_SUCCESS;

-  FILE          *In;

-  CHAR8         *InputFileName = NULL;

-  CHAR8         *OutputDir = NULL;

-  CHAR8         *OutFileName1 = NULL;

-  CHAR8         *OutFileName2 = NULL;

-  UINT64        SplitValue = (UINT64) -1;

-  FILE          *Out1 = NULL;

-  FILE          *Out2 = NULL;

-  CHAR8         *OutName1 = NULL;

-  CHAR8         *OutName2 = NULL;

-  CHAR8         *CurrentDir = NULL;

-  UINT64        Index;

-  CHAR8         CharC;

-  UINT64        DebugLevel = 0;

-  UINT64        VerboseLevel = 0;

-

-  SetUtilityName(UTILITY_NAME);

-  if (argc == 1) {

-    Usage();

-    return STATUS_ERROR;

-  }

-

-  argc --;

-  argv ++;

-

-  if ((stricmp (argv[0], "-h") == 0) || (stricmp (argv[0], "--help") == 0)) {

-    Usage();

-    return STATUS_SUCCESS;

-  }

-

-  if (stricmp (argv[0], "--version") == 0) {

-    Version();

-    return STATUS_SUCCESS;

-  }

-

-  while (argc > 0) {

-    if ((stricmp (argv[0], "-p") == 0) || (stricmp (argv[0], "--prefix") == 0)) {

-      OutputDir = argv[1];

-      if (OutputDir == NULL) {

-        Warning (NULL, 0, 0, "NO output directory specified.", NULL);

-        return STATUS_ERROR;

-      }

-      argc -= 2;

-      argv += 2;

-      continue;

-    }

-

-    if ((stricmp (argv[0], "-f") == 0) || (stricmp (argv[0], "--filename") == 0)) {

-      InputFileName = argv[1];

-      if (InputFileName == NULL) {

-        Error (NULL, 0, 0x1001, "NO Input file specified.", NULL);

-        return STATUS_ERROR;

-      }

-      argc -= 2;

-      argv += 2;

-      continue;

-    }

-

-    if ((stricmp (argv[0], "-s") == 0) || (stricmp (argv[0], "--split") == 0)) {

-      Status = GetSplitValue(argv[1], &SplitValue);

-      if (EFI_ERROR (Status)) {

-        Error (NULL, 0, 0x1003, "Input split value is not one valid integer.", NULL);

-        return STATUS_ERROR;

-      }

-      argc -= 2;

-      argv += 2;

-      continue;

-    }

-

-    if ((stricmp (argv[0], "-o") == 0) || (stricmp (argv[0], "--firstfile") == 0)) {

-      OutFileName1 = argv[1];

-      if (OutFileName1 == NULL) {

-        Warning (NULL, 0, 0, NULL, "No output file1 specified.");

-      }

-      argc -= 2;

-      argv += 2;

-      continue;

-    }

-

-    if ((stricmp (argv[0], "-t") == 0) || (stricmp (argv[0], "--secondfile") == 0)) {

-      OutFileName2 = argv[1];

-      if (OutFileName2 == NULL) {

-        Warning (NULL, 0, 0, NULL, "No output file2 specified.");

-      }

-      argc -= 2;

-      argv += 2;

-      continue;

-    }

-

-    if ((stricmp (argv[0], "-q") == 0) || (stricmp (argv[0], "--quiet") == 0)) {

-      argc --;

-      argv ++;

-      continue;

-    }

-

-    if ((strlen(argv[0]) >= 2 && argv[0][0] == '-' && (argv[0][1] == 'v' || argv[0][1] == 'V')) || (stricmp (argv[0], "--verbose") == 0)) {

-      VerboseLevel = 1;

-      if (strlen(argv[0]) > 2) {

-        Status = CountVerboseLevel (&argv[0][2], strlen(argv[0]) - 2, &VerboseLevel);

-        if (EFI_ERROR (Status)) {

-          Error (NULL, 0, 0x1003, NULL, "%s is invalid parameter!", argv[0]);

-          return STATUS_ERROR;

-        }

-      }

-

-      argc --;

-      argv ++;

-      continue;

-    }

-

-    if ((stricmp (argv[0], "-d") == 0) || (stricmp (argv[0], "--debug") == 0)) {

-      Status = AsciiStringToUint64 (argv[1], FALSE, &DebugLevel);

-      if (EFI_ERROR (Status)) {

-        Error (NULL, 0, 0x1003, "Input debug level is not one valid integrator.", NULL);

-        return STATUS_ERROR;

-      }

-      argc -= 2;

-      argv += 2;

-      continue;

-    }

-    //

-    // Don't recognize the parameter.

-    //

-    Error (NULL, 0, 0x1003, NULL, "%s is invalid parameter!", argv[0]);

-    return STATUS_ERROR;

-  }

-

-  if (InputFileName == NULL) {

-    Error (NULL, 0, 0x1001, "NO Input file specified.", NULL);

-    return STATUS_ERROR;

-  }

-

-  In = fopen (LongFilePath (InputFileName), "rb");

-  if (In == NULL) {

-    // ("Unable to open file \"%s\"\n", InputFileName);

-    Error (InputFileName, 0, 1, "File open failure", NULL);

-    return STATUS_ERROR;

-  }

-

-  if (OutFileName1 == NULL) {

-    OutName1 = (CHAR8*)malloc(strlen(InputFileName) + 16);

-    if (OutName1 == NULL) {

-      Warning (NULL, 0, 0, NULL, "Memory Allocation Fail.");

-      ReturnStatus = STATUS_ERROR;

-      goto Finish;

-    }

-    strcpy (OutName1, InputFileName);

-    strcat (OutName1, "1");

-    OutFileName1 = OutName1;

-

-  }

-  if (OutFileName2 == NULL) {

-    OutName2 = (CHAR8*)malloc(strlen(InputFileName) + 16);

-    if (OutName2 == NULL) {

-      Warning (NULL, 0, 0, NULL, "Memory Allocation Fail.");

-      ReturnStatus = STATUS_ERROR;

-      goto Finish;

-    }

-    strcpy (OutName2, InputFileName);

-    strcat (OutName2, "2");

-    OutFileName2 = OutName2;

-

-  }

-

-  if (OutputDir != NULL) {

-    //OutputDirSpecified = TRUE;

-    if (chdir(OutputDir) != 0) {

-      Warning (NULL, 0, 0, NULL, "Change dir to OutputDir Fail.");

-      ReturnStatus = STATUS_ERROR;

-      goto Finish;

-    }

-  }

-

-  CurrentDir = (CHAR8*)getcwd((CHAR8*)0, 0);

-  if (EFI_ERROR(CreateDir(&OutFileName1))) {

-      Error (OutFileName1, 0, 5, "Create Dir for File1 Fail.", NULL);

-      ReturnStatus = STATUS_ERROR;

-      goto Finish;

-  }

-  chdir(CurrentDir);

-

-  if (EFI_ERROR(CreateDir(&OutFileName2))) {

-      Error (OutFileName2, 0, 5, "Create Dir for File2 Fail.", NULL);

-      ReturnStatus = STATUS_ERROR;

-      goto Finish;

-  }

-  chdir(CurrentDir);

-  free(CurrentDir);

-

-  Out1 = fopen (LongFilePath (OutFileName1), "wb");

-  if (Out1 == NULL) {

-    // ("Unable to open file \"%s\"\n", OutFileName1);

-    Error (OutFileName1, 0, 1, "File open failure", NULL);

-    ReturnStatus = STATUS_ERROR;

-    goto Finish;

-  }

-

-  Out2 = fopen (LongFilePath (OutFileName2), "wb");

-  if (Out2 == NULL) {

-    // ("Unable to open file \"%s\"\n", OutFileName2);

-    Error (OutFileName2, 0, 1, "File open failure", NULL);

-    ReturnStatus = STATUS_ERROR;

-    goto Finish;

-  }

-

-  for (Index = 0; Index < SplitValue; Index++) {

-    CharC = (CHAR8) fgetc (In);

-    if (feof (In)) {

-      break;

-    }

-

-    fputc (CharC, Out1);

-  }

-

-  for (;;) {

-    CharC = (CHAR8) fgetc (In);

-    if (feof (In)) {

-      break;

-    }

-

-    fputc (CharC, Out2);

-  }

-

-Finish:

-  if (OutName1 != NULL) {

-    free(OutName1);

-  }

-  if (OutName2 != NULL) {

-    free(OutName2);

-  }

-  if (In != NULL) {

-    fclose (In);

-  }

-  if (Out1 != NULL) {

-    fclose (Out1);

-  }

-  if (Out2 != NULL) {

-    fclose (Out2);

-  }

-

-  return ReturnStatus;

-}

diff --git a/BaseTools/Source/Python/Split/Split.py b/BaseTools/Source/Python/Split/Split.py
new file mode 100644
index 0000000000..45a5a06047
--- /dev/null
+++ b/BaseTools/Source/Python/Split/Split.py
@@ -0,0 +1,202 @@
+# @file

+#  Split a file into two pieces at the request offset.

+#

+#  Copyright (c) 2021, Intel Corporation. All rights reserved.<BR>

+#

+#  SPDX-License-Identifier: BSD-2-Clause-Patent

+#

+##

+

+# Import Modules

+#

+import argparse

+import os

+import io

+import shutil

+import logging

+import sys

+import tempfile

+

+parser = argparse.ArgumentParser(description='''

+SplitFile creates two Binary files either in the same directory as the current working directory or in the specified directory.

+''')

+parser.add_argument("-f", "--filename", dest="inputfile",

+                    required=True, help="The input file to split tool.")

+parser.add_argument("-s", "--split", dest="position",

+                    required=True, help="The number of bytes in the first file. The valid format are HEX, Decimal and Decimal[KMG].")

+parser.add_argument("-p", "--prefix",  dest="output",

+                    help="The output folder.")

+parser.add_argument("-o", "--firstfile",  help="The first file name")

+parser.add_argument("-t", "--secondfile",  help="The second file name")

+parser.add_argument("--version", action="version", version='%(prog)s Version 2.0',

+                    help="Print debug information.")

+

+group = parser.add_mutually_exclusive_group()

+group.add_argument("-v", "--verbose", action="store_true",

+                   help="Print debug information.")

+group.add_argument("-q", "--quiet", action="store_true",

+                   help="Disable all messages except fatal errors")

+

+SizeDict = {

+    "K": 1024,

+    "M": 1024*1024,

+    "G": 1024*1024*1024

+}

+

+

+def GetPositionValue(position):

+    '''

+    Parse the string of the argument position and return a decimal number.

+    The valid position formats are

+    1. HEX

+    e.g. 0x1000 or 0X1000

+    2. Decimal

+    e.g. 100

+    3. Decimal[KMG]

+    e.g. 100K or 100M or 100G or 100k or 100m or 100g

+    '''

+    logger = logging.getLogger('Split')

+    PosVal = 0

+    header = position[:2].upper()

+    tailer = position[-1].upper()

+

+    try:

+        if tailer in SizeDict:

+            PosVal = int(position[:-1]) * SizeDict[tailer]

+        else:

+            if header == "0X":

+                PosVal = int(position, 16)

+            else:

+                PosVal = int(position)

+    except Exception as e:

+        logger.error(

+            "The parameter %s format is incorrect. The valid format is HEX, Decimal and Decimal[KMG]." % position)

+        raise(e)

+

+    return PosVal

+

+

+def getFileSize(filename):

+    '''

+    Read the input file and return the file size.

+    '''

+    logger = logging.getLogger('Split')

+    length = 0

+    try:

+        with open(filename, "rb") as fin:

+            fin.seek(0, io.SEEK_END)

+            length = fin.tell()

+    except Exception as e:

+        logger.error("Access file failed: %s", filename)

+        raise(e)

+

+    return length

+

+

+def splitFile(inputfile, position, outputdir=None, outputfile1=None, outputfile2=None):

+    '''

+    Split the inputfile into outputfile1 and outputfile2 from the position.

+    '''

+    logger = logging.getLogger('Split')

+

+    inputfile = os.path.abspath(inputfile)

+    workspace = os.path.dirname(inputfile)

+    if not os.path.exists(inputfile):

+        logger.error("File Not Found: %s" % inputfile)

+        raise(Exception)

+

+    if outputfile1 and outputfile2 and outputfile1 == outputfile2:

+        logger.error(

+            "The firstfile and the secondfile can't be the same: %s" % outputfile1)

+        raise(Exception)

+

+    if not outputdir:

+        outputdir = workspace

+    elif not os.path.isabs(outputdir):

+        outputdir = os.path.join(workspace, outputdir)

+

+    # Create dir for the output files

+    try:

+        if not outputfile1:

+            outputfile1 = os.path.abspath(os.path.join(

+                outputdir, "{}1".format(os.path.basename(inputfile))))

+        else:

+            outputfile1 = os.path.abspath(os.path.join(outputdir, outputfile1))

+        outputdir = os.path.dirname(outputfile1)

+        if not os.path.exists(outputdir):

+            os.makedirs(outputdir)

+

+        if not outputfile2:

+            outputfile2 = os.path.abspath(os.path.join(

+                outputdir, "{}2".format(os.path.basename(inputfile))))

+        else:

+            outputfile2 = os.path.abspath(os.path.join(outputdir, outputfile2))

+        outputdir = os.path.dirname(outputfile2)

+        if not os.path.exists(outputdir):

+            os.makedirs(outputdir)

+    except Exception as e:

+        logger.error("Can't make dir: %s" % outputdir)

+        raise(e)

+

+    if position <= 0:

+        if outputfile2 != inputfile:

+            shutil.copy2(inputfile, outputfile2)

+        with open(outputfile1, "wb") as fout:

+            fout.write(b'')

+    else:

+        inputfilesize = getFileSize(inputfile)

+        if position >= inputfilesize:

+            if outputfile1 != inputfile:

+                shutil.copy2(inputfile, outputfile1)

+            with open(outputfile2, "wb") as fout:

+                fout.write(b'')

+        else:

+            try:

+                tempdir = tempfile.mkdtemp()

+                tempfile1 = os.path.join(tempdir, "file1.bin")

+                tempfile2 = os.path.join(tempdir, "file2.bin")

+                with open(inputfile, "rb") as fin:

+                    content1 = fin.read(position)

+                    with open(tempfile1, "wb") as fout1:

+                        fout1.write(content1)

+

+                    content2 = fin.read(inputfilesize - position)

+                    with open(tempfile2, "wb") as fout2:

+                        fout2.write(content2)

+                shutil.copy2(tempfile1, outputfile1)

+                shutil.copy2(tempfile2, outputfile2)

+            except Exception as e:

+                logger.error("Split file failed")

+                raise(e)

+            finally:

+                if os.path.exists(tempdir):

+                    shutil.rmtree(tempdir)

+

+

+def main():

+    args = parser.parse_args()

+    status = 0

+

+    logger = logging.getLogger('Split')

+    if args.quiet:

+        logger.setLevel(logging.CRITICAL)

+    if args.verbose:

+        logger.setLevel(logging.DEBUG)

+

+    lh = logging.StreamHandler(sys.stdout)

+    lf = logging.Formatter("%(levelname)-8s: %(message)s")

+    lh.setFormatter(lf)

+    logger.addHandler(lh)

+

+    try:

+        position = GetPositionValue(args.position)

+        splitFile(args.inputfile, position, args.output,

+                  args.firstfile, args.secondfile)

+    except Exception as e:

+        status = 1

+

+    return status

+

+

+if __name__ == "__main__":

+    exit(main())

diff --git a/BaseTools/Source/Python/Split/__init__.py b/BaseTools/Source/Python/Split/__init__.py
new file mode 100644
index 0000000000..8f4daf86e8
--- /dev/null
+++ b/BaseTools/Source/Python/Split/__init__.py
@@ -0,0 +1,10 @@
+# @file

+#  Split a file into two pieces at the request offset.

+#

+#  Copyright (c) 2021, Intel Corporation. All rights reserved.<BR>

+#

+#  SPDX-License-Identifier: BSD-2-Clause-Patent

+#

+##

+

+# Import Modules