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0e7e7a264c
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=1927 Current cache hash algorithm does not parse and generate the makefile to get the accurate dependency files for a module. It instead use the platform and package meta files to get the module depenedency in a quick but over approximate way. These meta files are monolithic and involve many redundant dependency for the module, which cause the module build cache miss easily. This patch introduces one more cache checkpoint and a new hash algorithm besides the current quick one. The new hash algorithm leverages the module makefile to achieve more accurate and precise dependency info for a module. When the build cache miss with the first quick hash, the Basetool will caculate new one after makefile is generated and then check again. Cc: Liming Gao <liming.gao@intel.com> Cc: Bob Feng <bob.c.feng@intel.com> Signed-off-by: Steven Shi <steven.shi@intel.com> Reviewed-by: Bob Feng <bob.c.feng@intel.com>
130 lines
4.0 KiB
Python
Executable File
130 lines
4.0 KiB
Python
Executable File
## @file
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# This file is used to define common static strings used by INF/DEC/DSC files
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#
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# Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
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# SPDX-License-Identifier: BSD-2-Clause-Patent
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import re
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gIsWindows = None
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gWorkspace = "."
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gOptions = None
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gCaseInsensitive = False
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gAllFiles = None
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gCommand = None
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gSKUID_CMD = None
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gGlobalDefines = {}
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gPlatformDefines = {}
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# PCD name and value pair for fixed at build and feature flag
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gPlatformPcds = {}
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# PCDs with type that are not fixed at build and feature flag
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gPlatformOtherPcds = {}
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gActivePlatform = None
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gCommandLineDefines = {}
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gEdkGlobal = {}
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gCommandMaxLength = 4096
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# for debug trace purpose when problem occurs
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gProcessingFile = ''
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gBuildingModule = ''
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gSkuids = []
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gDefaultStores = []
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# definition for a MACRO name. used to create regular expressions below.
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_MacroNamePattern = "[A-Z][A-Z0-9_]*"
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## Regular expression for matching macro used in DSC/DEC/INF file inclusion
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gMacroRefPattern = re.compile("\$\(({})\)".format(_MacroNamePattern), re.UNICODE)
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gMacroDefPattern = re.compile("^(DEFINE|EDK_GLOBAL)[ \t]+")
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gMacroNamePattern = re.compile("^{}$".format(_MacroNamePattern))
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# definition for a GUID. used to create regular expressions below.
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_HexChar = r"[0-9a-fA-F]"
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_GuidPattern = r"{Hex}{{8}}-{Hex}{{4}}-{Hex}{{4}}-{Hex}{{4}}-{Hex}{{12}}".format(Hex=_HexChar)
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## Regular expressions for GUID matching
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gGuidPattern = re.compile(r'{}'.format(_GuidPattern))
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gGuidPatternEnd = re.compile(r'{}$'.format(_GuidPattern))
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## Regular expressions for HEX matching
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g4HexChar = re.compile(r'{}{{4}}'.format(_HexChar))
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gHexPattern = re.compile(r'0[xX]{}+'.format(_HexChar))
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gHexPatternAll = re.compile(r'0[xX]{}+$'.format(_HexChar))
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## Regular expressions for string identifier checking
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gIdentifierPattern = re.compile('^[a-zA-Z][a-zA-Z0-9_]*$', re.UNICODE)
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## Regular expression for GUID c structure format
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_GuidCFormatPattern = r"{{\s*0[xX]{Hex}{{1,8}}\s*,\s*0[xX]{Hex}{{1,4}}\s*,\s*0[xX]{Hex}{{1,4}}" \
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r"\s*,\s*{{\s*0[xX]{Hex}{{1,2}}\s*,\s*0[xX]{Hex}{{1,2}}" \
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r"\s*,\s*0[xX]{Hex}{{1,2}}\s*,\s*0[xX]{Hex}{{1,2}}" \
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r"\s*,\s*0[xX]{Hex}{{1,2}}\s*,\s*0[xX]{Hex}{{1,2}}" \
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r"\s*,\s*0[xX]{Hex}{{1,2}}\s*,\s*0[xX]{Hex}{{1,2}}\s*}}\s*}}".format(Hex=_HexChar)
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gGuidCFormatPattern = re.compile(r"{}".format(_GuidCFormatPattern))
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#
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# A global variable for whether current build in AutoGen phase or not.
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#
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gAutoGenPhase = False
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#
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# The Conf dir outside the workspace dir
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#
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gConfDirectory = ''
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gBuildDirectory = ''
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#
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# The relative default database file path
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#
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gDatabasePath = ".cache/build.db"
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#
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# Build flag for binary build
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#
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gIgnoreSource = False
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#
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# FDF parser
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#
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gFdfParser = None
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BuildOptionPcd = []
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#
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# Mixed PCD name dict
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#
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MixedPcd = {}
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# Structure Pcd dict
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gStructurePcd = {}
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gPcdSkuOverrides={}
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# Pcd name for the Pcd which used in the Conditional directives
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gConditionalPcds = []
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gUseHashCache = None
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gBinCacheDest = None
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gBinCacheSource = None
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gPlatformHash = None
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gPackageHash = {}
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gModuleHash = {}
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gEnableGenfdsMultiThread = False
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gSikpAutoGenCache = set()
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# Dictionary for tracking Module build status as success or failure
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# Top Dict: Key: Arch Type Value: Dictionary
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# Second Dict: Key: AutoGen Obj Value: 'SUCCESS'\'FAIL'\'FAIL_METAFILE'
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gModuleBuildTracking = dict()
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# Dictionary of booleans that dictate whether a module or
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# library can be skiped
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# Top Dict: Key: Arch Type Value: Dictionary
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# Second Dict: Key: Module\Library Name Value: True\False
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gBuildHashSkipTracking = dict()
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# Common dictionary to share module cache intermediate result and state
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gCacheIR = None
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# Common lock for the file access in multiple process AutoGens
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file_lock = None
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# Common dictionary to share platform libraries' constant Pcd
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libConstPcd = None
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# Common dictionary to share platform libraries' reference info
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Refes = None
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