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authorlgao4 <lgao4@6f19259b-4bc3-4df7-8a09-765794883524>2009-07-17 09:10:31 +0000
committerlgao4 <lgao4@6f19259b-4bc3-4df7-8a09-765794883524>2009-07-17 09:10:31 +0000
commit30fdf1140b8d1ce93f3821d986fa165552023440 (patch)
treec45c336a8955b1d03ea56d6c915a0e68a43b4ee9 /BaseTools/Source/Python/AutoGen/GenDepex.py
parent577e30cdb473e4af8e65fd6f75236691d0c8dfb3 (diff)
downloadedk2-platforms-30fdf1140b8d1ce93f3821d986fa165552023440.tar.xz
Check In tool source code based on Build tool project revision r1655.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8964 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'BaseTools/Source/Python/AutoGen/GenDepex.py')
-rw-r--r--BaseTools/Source/Python/AutoGen/GenDepex.py441
1 files changed, 441 insertions, 0 deletions
diff --git a/BaseTools/Source/Python/AutoGen/GenDepex.py b/BaseTools/Source/Python/AutoGen/GenDepex.py
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+++ b/BaseTools/Source/Python/AutoGen/GenDepex.py
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+## @file
+# This file is used to generate DEPEX file for module's dependency expression
+#
+# Copyright (c) 2007, Intel Corporation
+# All rights reserved. This program and the accompanying materials
+# are licensed and made available under the terms and conditions of the BSD License
+# which accompanies this distribution. The full text of the license may be found at
+# http://opensource.org/licenses/bsd-license.php
+#
+# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+## Import Modules
+#
+import sys
+import os
+import re
+import traceback
+
+from StringIO import StringIO
+from struct import pack
+from Common.BuildToolError import *
+from Common.Misc import SaveFileOnChange
+from Common.Misc import GuidStructureStringToGuidString
+from Common import EdkLogger as EdkLogger
+
+
+## Regular expression for matching "DEPENDENCY_START ... DEPENDENCY_END"
+gStartClosePattern = re.compile(".*DEPENDENCY_START(.+)DEPENDENCY_END.*", re.S)
+
+## Mapping between module type and EFI phase
+gType2Phase = {
+ "BASE" : None,
+ "SEC" : "PEI",
+ "PEI_CORE" : "PEI",
+ "PEIM" : "PEI",
+ "DXE_CORE" : "DXE",
+ "DXE_DRIVER" : "DXE",
+ "DXE_SMM_DRIVER" : "DXE",
+ "DXE_RUNTIME_DRIVER": "DXE",
+ "DXE_SAL_DRIVER" : "DXE",
+ "UEFI_DRIVER" : "DXE",
+ "UEFI_APPLICATION" : "DXE",
+ "SMM_DRIVER" : "DXE",
+}
+
+## Convert dependency expression string into EFI internal representation
+#
+# DependencyExpression class is used to parse dependency expression string and
+# convert it into its binary form.
+#
+class DependencyExpression:
+
+ ArchProtocols = set([
+ '665e3ff6-46cc-11d4-9a38-0090273fc14d', # 'gEfiBdsArchProtocolGuid'
+ '26baccb1-6f42-11d4-bce7-0080c73c8881', # 'gEfiCpuArchProtocolGuid'
+ '26baccb2-6f42-11d4-bce7-0080c73c8881', # 'gEfiMetronomeArchProtocolGuid'
+ '1da97072-bddc-4b30-99f1-72a0b56fff2a', # 'gEfiMonotonicCounterArchProtocolGuid'
+ '27cfac87-46cc-11d4-9a38-0090273fc14d', # 'gEfiRealTimeClockArchProtocolGuid'
+ '27cfac88-46cc-11d4-9a38-0090273fc14d', # 'gEfiResetArchProtocolGuid'
+ 'b7dfb4e1-052f-449f-87be-9818fc91b733', # 'gEfiRuntimeArchProtocolGuid'
+ 'a46423e3-4617-49f1-b9ff-d1bfa9115839', # 'gEfiSecurityArchProtocolGuid'
+ '26baccb3-6f42-11d4-bce7-0080c73c8881', # 'gEfiTimerArchProtocolGuid'
+ '6441f818-6362-4e44-b570-7dba31dd2453', # 'gEfiVariableWriteArchProtocolGuid'
+ '1e5668e2-8481-11d4-bcf1-0080c73c8881', # 'gEfiVariableArchProtocolGuid'
+ '665e3ff5-46cc-11d4-9a38-0090273fc14d' # 'gEfiWatchdogTimerArchProtocolGuid'
+ ]
+ )
+
+ OpcodePriority = {
+ "AND" : 1,
+ "OR" : 1,
+ "NOT" : 2,
+ # "SOR" : 9,
+ # "BEFORE": 9,
+ # "AFTER" : 9,
+ }
+
+ Opcode = {
+ "PEI" : {
+ "PUSH" : 0x02,
+ "AND" : 0x03,
+ "OR" : 0x04,
+ "NOT" : 0x05,
+ "TRUE" : 0x06,
+ "FALSE" : 0x07,
+ "END" : 0x08
+ },
+
+ "DXE" : {
+ "BEFORE": 0x00,
+ "AFTER" : 0x01,
+ "PUSH" : 0x02,
+ "AND" : 0x03,
+ "OR" : 0x04,
+ "NOT" : 0x05,
+ "TRUE" : 0x06,
+ "FALSE" : 0x07,
+ "END" : 0x08,
+ "SOR" : 0x09
+ }
+ }
+
+ # all supported op codes and operands
+ SupportedOpcode = ["BEFORE", "AFTER", "PUSH", "AND", "OR", "NOT", "END", "SOR"]
+ SupportedOperand = ["TRUE", "FALSE"]
+
+ OpcodeWithSingleOperand = ['NOT', 'BEFORE', 'AFTER']
+ OpcodeWithTwoOperand = ['AND', 'OR']
+
+ # op code that should not be the last one
+ NonEndingOpcode = ["AND", "OR", "NOT", 'SOR']
+ # op code must not present at the same time
+ ExclusiveOpcode = ["BEFORE", "AFTER"]
+ # op code that should be the first one if it presents
+ AboveAllOpcode = ["SOR", "BEFORE", "AFTER"]
+
+ #
+ # open and close brace must be taken as individual tokens
+ #
+ TokenPattern = re.compile("(\(|\)|\{[^{}]+\{?[^{}]+\}?[ ]*\}|\w+)")
+
+ ## Constructor
+ #
+ # @param Expression The list or string of dependency expression
+ # @param ModuleType The type of the module using the dependency expression
+ #
+ def __init__(self, Expression, ModuleType, Optimize=False):
+ self.ModuleType = ModuleType
+ self.Phase = gType2Phase[ModuleType]
+ if type(Expression) == type([]):
+ self.ExpressionString = " ".join(Expression)
+ self.TokenList = Expression
+ else:
+ self.ExpressionString = Expression
+ self.GetExpressionTokenList()
+
+ self.PostfixNotation = []
+ self.OpcodeList = []
+
+ self.GetPostfixNotation()
+ self.ValidateOpcode()
+
+ EdkLogger.debug(EdkLogger.DEBUG_8, repr(self))
+ if Optimize:
+ self.Optimize()
+ EdkLogger.debug(EdkLogger.DEBUG_8, "\n Optimized: " + repr(self))
+
+ def __str__(self):
+ return " ".join(self.TokenList)
+
+ def __repr__(self):
+ WellForm = ''
+ for Token in self.PostfixNotation:
+ if Token in self.SupportedOpcode:
+ WellForm += "\n " + Token
+ else:
+ WellForm += ' ' + Token
+ return WellForm
+
+ ## Split the expression string into token list
+ def GetExpressionTokenList(self):
+ self.TokenList = self.TokenPattern.findall(self.ExpressionString)
+
+ ## Convert token list into postfix notation
+ def GetPostfixNotation(self):
+ Stack = []
+ LastToken = ''
+ for Token in self.TokenList:
+ if Token == "(":
+ if LastToken not in self.SupportedOpcode + ['(', '', None]:
+ EdkLogger.error("GenDepex", PARSER_ERROR, "Invalid dependency expression: missing operator before open parentheses",
+ ExtraData="Near %s" % LastToken)
+ Stack.append(Token)
+ elif Token == ")":
+ if '(' not in Stack:
+ EdkLogger.error("GenDepex", PARSER_ERROR, "Invalid dependency expression: mismatched parentheses",
+ ExtraData=str(self))
+ elif LastToken in self.SupportedOpcode + ['', None]:
+ EdkLogger.error("GenDepex", PARSER_ERROR, "Invalid dependency expression: missing operand before close parentheses",
+ ExtraData="Near %s" % LastToken)
+ while len(Stack) > 0:
+ if Stack[-1] == '(':
+ Stack.pop()
+ break
+ self.PostfixNotation.append(Stack.pop())
+ elif Token in self.OpcodePriority:
+ if Token == "NOT":
+ if LastToken not in self.SupportedOpcode + ['(', '', None]:
+ EdkLogger.error("GenDepex", PARSER_ERROR, "Invalid dependency expression: missing operator before NOT",
+ ExtraData="Near %s" % LastToken)
+ elif LastToken in self.SupportedOpcode + ['(', '', None]:
+ EdkLogger.error("GenDepex", PARSER_ERROR, "Invalid dependency expression: missing operand before " + Token,
+ ExtraData="Near %s" % LastToken)
+
+ while len(Stack) > 0:
+ if Stack[-1] == "(" or self.OpcodePriority[Token] >= self.OpcodePriority[Stack[-1]]:
+ break
+ self.PostfixNotation.append(Stack.pop())
+ Stack.append(Token)
+ self.OpcodeList.append(Token)
+ else:
+ if Token not in self.SupportedOpcode:
+ # not OP, take it as GUID
+ if LastToken not in self.SupportedOpcode + ['(', '', None]:
+ EdkLogger.error("GenDepex", PARSER_ERROR, "Invalid dependency expression: missing operator before %s" % Token,
+ ExtraData="Near %s" % LastToken)
+ if len(self.OpcodeList) == 0 or self.OpcodeList[-1] not in self.ExclusiveOpcode:
+ if Token not in self.SupportedOperand:
+ self.PostfixNotation.append("PUSH")
+ # check if OP is valid in this phase
+ elif Token in self.Opcode[self.Phase]:
+ if Token == "END":
+ break
+ self.OpcodeList.append(Token)
+ else:
+ EdkLogger.error("GenDepex", PARSER_ERROR,
+ "Opcode=%s doesn't supported in %s stage " % (Token, self.Phase),
+ ExtraData=str(self))
+ self.PostfixNotation.append(Token)
+ LastToken = Token
+
+ # there should not be parentheses in Stack
+ if '(' in Stack or ')' in Stack:
+ EdkLogger.error("GenDepex", PARSER_ERROR, "Invalid dependency expression: mismatched parentheses",
+ ExtraData=str(self))
+ while len(Stack) > 0:
+ self.PostfixNotation.append(Stack.pop())
+ if self.PostfixNotation[-1] != 'END':
+ self.PostfixNotation.append("END")
+
+ ## Validate the dependency expression
+ def ValidateOpcode(self):
+ for Op in self.AboveAllOpcode:
+ if Op in self.PostfixNotation:
+ if Op != self.PostfixNotation[0]:
+ EdkLogger.error("GenDepex", PARSER_ERROR, "%s should be the first opcode in the expression" % Op,
+ ExtraData=str(self))
+ if len(self.PostfixNotation) < 3:
+ EdkLogger.error("GenDepex", PARSER_ERROR, "Missing operand for %s" % Op,
+ ExtraData=str(self))
+ for Op in self.ExclusiveOpcode:
+ if Op in self.OpcodeList:
+ if len(self.OpcodeList) > 1:
+ EdkLogger.error("GenDepex", PARSER_ERROR, "%s should be the only opcode in the expression" % Op,
+ ExtraData=str(self))
+ if len(self.PostfixNotation) < 3:
+ EdkLogger.error("GenDepex", PARSER_ERROR, "Missing operand for %s" % Op,
+ ExtraData=str(self))
+ if self.TokenList[-1] != 'END' and self.TokenList[-1] in self.NonEndingOpcode:
+ EdkLogger.error("GenDepex", PARSER_ERROR, "Extra %s at the end of the dependency expression" % self.TokenList[-1],
+ ExtraData=str(self))
+ if self.TokenList[-1] == 'END' and self.TokenList[-2] in self.NonEndingOpcode:
+ EdkLogger.error("GenDepex", PARSER_ERROR, "Extra %s at the end of the dependency expression" % self.TokenList[-2],
+ ExtraData=str(self))
+ if "END" in self.TokenList and "END" != self.TokenList[-1]:
+ EdkLogger.error("GenDepex", PARSER_ERROR, "Extra expressions after END",
+ ExtraData=str(self))
+
+ ## Simply optimize the dependency expression by removing duplicated operands
+ def Optimize(self):
+ ValidOpcode = list(set(self.OpcodeList))
+ if len(ValidOpcode) != 1 or ValidOpcode[0] not in ['AND', 'OR']:
+ return
+ Op = ValidOpcode[0]
+ NewOperand = []
+ AllOperand = set()
+ for Token in self.PostfixNotation:
+ if Token in self.SupportedOpcode or Token in NewOperand:
+ continue
+ AllOperand.add(Token)
+ if Token == 'TRUE':
+ if Op == 'AND':
+ continue
+ else:
+ NewOperand.append(Token)
+ break
+ elif Token == 'FALSE':
+ if Op == 'OR':
+ continue
+ else:
+ NewOperand.append(Token)
+ break
+ NewOperand.append(Token)
+
+ # don't generate depex if only TRUE operand left
+ if self.ModuleType == 'PEIM' and len(NewOperand) == 1 and NewOperand[0] == 'TRUE':
+ self.PostfixNotation = []
+ return
+
+ # don't generate depex if all operands are architecture protocols
+ if self.ModuleType in ['UEFI_DRIVER', 'DXE_DRIVER', 'DXE_RUNTIME_DRIVER', 'DXE_SAL_DRIVER', 'DXE_SMM_DRIVER'] and \
+ Op == 'AND' and \
+ self.ArchProtocols == set([GuidStructureStringToGuidString(Guid) for Guid in AllOperand]):
+ self.PostfixNotation = []
+ return
+
+ if len(NewOperand) == 0:
+ self.TokenList = list(AllOperand)
+ else:
+ self.TokenList = []
+ while True:
+ self.TokenList.append(NewOperand.pop(0))
+ if NewOperand == []:
+ break
+ self.TokenList.append(Op)
+ self.PostfixNotation = []
+ self.GetPostfixNotation()
+
+
+ ## Convert a GUID value in C structure format into its binary form
+ #
+ # @param Guid The GUID value in C structure format
+ #
+ # @retval array The byte array representing the GUID value
+ #
+ def GetGuidValue(self, Guid):
+ GuidValueString = Guid.replace("{", "").replace("}", "").replace(" ", "")
+ GuidValueList = GuidValueString.split(",")
+ if len(GuidValueList) != 11:
+ EdkLogger.error("GenDepex", PARSER_ERROR, "Invalid GUID value string or opcode: %s" % Guid)
+ return pack("1I2H8B", *(int(value, 16) for value in GuidValueList))
+
+ ## Save the binary form of dependency expression in file
+ #
+ # @param File The path of file. If None is given, put the data on console
+ #
+ # @retval True If the file doesn't exist or file is changed
+ # @retval False If file exists and is not changed.
+ #
+ def Generate(self, File=None):
+ Buffer = StringIO()
+ if len(self.PostfixNotation) == 0:
+ return False
+
+ for Item in self.PostfixNotation:
+ if Item in self.Opcode[self.Phase]:
+ Buffer.write(pack("B", self.Opcode[self.Phase][Item]))
+ elif Item in self.SupportedOpcode:
+ EdkLogger.error("GenDepex", FORMAT_INVALID,
+ "Opcode [%s] is not expected in %s phase" % (Item, self.Phase),
+ ExtraData=self.ExpressionString)
+ else:
+ Buffer.write(self.GetGuidValue(Item))
+
+ FilePath = ""
+ FileChangeFlag = True
+ if File == None:
+ sys.stdout.write(Buffer.getvalue())
+ FilePath = "STDOUT"
+ else:
+ FileChangeFlag = SaveFileOnChange(File, Buffer.getvalue(), True)
+
+ Buffer.close()
+ return FileChangeFlag
+
+versionNumber = "0.04"
+__version__ = "%prog Version " + versionNumber
+__copyright__ = "Copyright (c) 2007-2008, Intel Corporation All rights reserved."
+__usage__ = "%prog [options] [dependency_expression_file]"
+
+## Parse command line options
+#
+# @retval OptionParser
+#
+def GetOptions():
+ from optparse import OptionParser
+
+ Parser = OptionParser(description=__copyright__, version=__version__, usage=__usage__)
+
+ Parser.add_option("-o", "--output", dest="OutputFile", default=None, metavar="FILE",
+ help="Specify the name of depex file to be generated")
+ Parser.add_option("-t", "--module-type", dest="ModuleType", default=None,
+ help="The type of module for which the dependency expression serves")
+ Parser.add_option("-e", "--dependency-expression", dest="Expression", default="",
+ help="The string of dependency expression. If this option presents, the input file will be ignored.")
+ Parser.add_option("-m", "--optimize", dest="Optimize", default=False, action="store_true",
+ help="Do some simple optimization on the expression.")
+ Parser.add_option("-v", "--verbose", dest="verbose", default=False, action="store_true",
+ help="build with verbose information")
+ Parser.add_option("-d", "--debug", action="store", type="int", help="Enable debug messages at specified level.")
+ Parser.add_option("-q", "--quiet", dest="quiet", default=False, action="store_true",
+ help="build with little information")
+
+ return Parser.parse_args()
+
+
+## Entrance method
+#
+# @retval 0 Tool was successful
+# @retval 1 Tool failed
+#
+def Main():
+ EdkLogger.Initialize()
+ Option, Input = GetOptions()
+
+ # Set log level
+ if Option.quiet:
+ EdkLogger.SetLevel(EdkLogger.QUIET)
+ elif Option.verbose:
+ EdkLogger.SetLevel(EdkLogger.VERBOSE)
+ elif Option.debug != None:
+ EdkLogger.SetLevel(Option.debug + 1)
+ else:
+ EdkLogger.SetLevel(EdkLogger.INFO)
+
+ try:
+ if Option.ModuleType == None or Option.ModuleType not in gType2Phase:
+ EdkLogger.error("GenDepex", OPTION_MISSING, "Module type is not specified or supported")
+
+ DxsFile = ''
+ if len(Input) > 0 and Option.Expression == "":
+ DxsFile = Input[0]
+ DxsString = open(DxsFile, 'r').read().replace("\n", " ").replace("\r", " ")
+ DxsString = gStartClosePattern.sub("\\1", DxsString)
+ elif Option.Expression != "":
+ if Option.Expression[0] == '"':
+ DxsString = Option.Expression[1:-1]
+ else:
+ DxsString = Option.Expression
+ else:
+ EdkLogger.error("GenDepex", OPTION_MISSING, "No expression string or file given")
+
+ Dpx = DependencyExpression(DxsString, Option.ModuleType, Option.Optimize)
+ if Option.OutputFile != None:
+ Dpx.Generate(Option.OutputFile)
+ else:
+ Dpx.Generate()
+ except BaseException, X:
+ EdkLogger.quiet("")
+ if Option != None and Option.debug != None:
+ EdkLogger.quiet(traceback.format_exc())
+ else:
+ EdkLogger.quiet(str(X))
+ return 1
+
+ return 0
+
+if __name__ == '__main__':
+ sys.exit(Main())
+