## @ RebaseFspBinBaseAddress.py
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#
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# Copyright (c) 2019 - 2021, Intel Corporation. All rights reserved.<BR>
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# SPDX-License-Identifier: BSD-2-Clause-Patent
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#
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import os
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import sys
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import re
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import subprocess
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if len(sys.argv) not in [5,6]:
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print ("RebaseFspBinBaseAddress.py - Error in number of arguments received")
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print ("Usage - RebaseFspBinBaseAddress.py <FlashMap file path> <FspBinPkg Folder> <Fsp.fd file name>\
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<pad_offset for Fsp-S Base Address> <OPTIONAL SplitFspBin.py tool path>")
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exit(1)
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flashMapName = sys.argv[1]
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fspBinPath = sys.argv[2]
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fspBinFile = sys.argv[3]
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fvOffset = int(sys.argv[4], 16)
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fspBinFileRebased = "Fsp_Rebased.fd"
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splitFspBinPath = os.path.join("edk2","IntelFsp2Pkg","Tools","SplitFspBin.py")
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if len(sys.argv) == 6:
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splitFspBinPath = sys.argv[5]
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#
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# Make sure argument passed or valid
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#
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if not os.path.exists(flashMapName):
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print ("WARNING! " + str(flashMapName) + " is not found.")
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exit(1)
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fspBinFilePath = fspBinPath + os.sep + fspBinFile
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if not os.path.exists(fspBinFilePath):
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print ("WARNING! " + str(fspBinFilePath) + " is not found.")
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exit(1)
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if not os.path.exists(splitFspBinPath):
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print ("WARNING! " + str(splitFspBinPath) + " is not found.")
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exit(1)
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#
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# Get the FSP-S / FSP-M-T FV Base Address from Flash Map
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#
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file = open (flashMapName, "r")
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data = file.read ()
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# Get the Flash Base Address
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flashBase = int(data.split("FLASH_BASE")[1].split("=")[1].split()[0], 16)
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# Based on Build Target, select the section in the FlashMap file
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flashmap = data
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# Get FSP-S & FSP-M & FSP-T offset & calculate the base
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for line in flashmap.split("\n"):
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if "PcdFlashFvFspSOffset" in line:
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fspSBaseOffset = int(line.split("=")[1].split()[0], 16)
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if "PcdFlashFvFspMOffset" in line:
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fspMBaseOffset = int(line.split("=")[1].split()[0], 16)
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if "PcdFlashFvFspTOffset" in line:
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fspTBaseOffset = int(line.split("=")[1].split()[0], 16)
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file.close()
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#
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# Get FSP-M Size, in order to calculate the FSP-T Base. Used SplitFspBin.py script
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# to dump the header, and get the ImageSize in FSP-M section
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#
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pythontool = 'python'
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if 'PYTHON_HOME' in os.environ:
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pythontool = os.environ['PYTHON_HOME'] + os.sep + 'python'
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else:
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pythontool = sys.executable
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Process = subprocess.Popen([pythontool, splitFspBinPath, "info","-f",fspBinFilePath], stdout=subprocess.PIPE)
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Output = Process.communicate()[0]
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FsptInfo = Output.rsplit(b"FSP_M", 1);
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for line in FsptInfo[1].split(b"\n"):
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if b"ImageSize" in line:
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fspMSize = int(line.split(b"=")[1], 16)
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break
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# Calculate FSP-S/M/T base address, to which re-base has to be done
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fspSBaseAddress = flashBase + fspSBaseOffset + fvOffset
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fspMBaseAddress = flashBase + fspMBaseOffset
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fspTBaseAddress = flashBase + fspTBaseOffset
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#
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# Re-base FSP bin file to new address and save it as fspBinFileRebased using SplitFspBin.py
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#
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rebaseArguments = fspBinFilePath + " -c s m t -b " + str(hex(fspSBaseAddress).rstrip("L")) + " " + str(hex(fspMBaseAddress).rstrip("L")) + " " + str(hex(fspTBaseAddress).rstrip("L")) + " -o" + fspBinPath + " -n " + fspBinFileRebased
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os.system('"' + pythontool + '"' + " " + splitFspBinPath + " rebase -f" + rebaseArguments)
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#
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# Split FSP bin to FSP-S/M/T segments
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#
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splitArguments = fspBinPath + os.sep + fspBinFileRebased + " -o " + fspBinPath + " -n Fsp_Rebased.fd"
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os.system('"' + pythontool + '"' + " " + splitFspBinPath + " split -f" + splitArguments)
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exit(0)
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