diff options
Diffstat (limited to 'BaseTools/Source/Python/AutoGen/AutoGen.py')
| -rw-r--r-- | BaseTools/Source/Python/AutoGen/AutoGen.py | 53 |
1 files changed, 40 insertions, 13 deletions
diff --git a/BaseTools/Source/Python/AutoGen/AutoGen.py b/BaseTools/Source/Python/AutoGen/AutoGen.py index c174b5a0bb..a843f294b9 100644 --- a/BaseTools/Source/Python/AutoGen/AutoGen.py +++ b/BaseTools/Source/Python/AutoGen/AutoGen.py @@ -3935,6 +3935,7 @@ class ModuleAutoGen(AutoGen): f = open(HashFile, 'r')
CacheHash = f.read()
f.close()
+ self.GenModuleHash()
if GlobalData.gModuleHash[self.Arch][self.Name]:
if CacheHash == GlobalData.gModuleHash[self.Arch][self.Name]:
for root, dir, files in os.walk(FileDir):
@@ -4093,13 +4094,20 @@ class ModuleAutoGen(AutoGen): return RetVal
def GenModuleHash(self):
+ # Initialize a dictionary for each arch type
if self.Arch not in GlobalData.gModuleHash:
GlobalData.gModuleHash[self.Arch] = {}
- if self.Name in GlobalData.gModuleHash[self.Arch] and GlobalData.gBinCacheSource and self.AttemptModuleCacheCopy():
- return False
+
+ # Early exit if module or library has been hashed and is in memory
+ if self.Name in GlobalData.gModuleHash[self.Arch]:
+ return GlobalData.gModuleHash[self.Arch][self.Name].encode('utf-8')
+
+ # Initialze hash object
m = hashlib.md5()
+
# Add Platform level hash
m.update(GlobalData.gPlatformHash.encode('utf-8'))
+
# Add Package level hash
if self.DependentPackageList:
for Pkg in sorted(self.DependentPackageList, key=lambda x: x.PackageName):
@@ -4118,6 +4126,7 @@ class ModuleAutoGen(AutoGen): Content = f.read()
f.close()
m.update(Content)
+
# Add Module's source files
if self.SourceFileList:
for File in sorted(self.SourceFileList, key=lambda x: str(x)):
@@ -4126,27 +4135,45 @@ class ModuleAutoGen(AutoGen): f.close()
m.update(Content)
- ModuleHashFile = path.join(self.BuildDir, self.Name + ".hash")
- if self.Name not in GlobalData.gModuleHash[self.Arch]:
- GlobalData.gModuleHash[self.Arch][self.Name] = m.hexdigest()
- if GlobalData.gBinCacheSource and self.AttemptModuleCacheCopy():
- return False
- return SaveFileOnChange(ModuleHashFile, m.hexdigest(), False)
+ GlobalData.gModuleHash[self.Arch][self.Name] = m.hexdigest()
+
+ return GlobalData.gModuleHash[self.Arch][self.Name].encode('utf-8')
## Decide whether we can skip the ModuleAutoGen process
def CanSkipbyHash(self):
+ # Hashing feature is off
+ if not GlobalData.gUseHashCache:
+ return False
+
+ # Initialize a dictionary for each arch type
+ if self.Arch not in GlobalData.gBuildHashSkipTracking:
+ GlobalData.gBuildHashSkipTracking[self.Arch] = dict()
+
# If library or Module is binary do not skip by hash
if self.IsBinaryModule:
return False
+
# .inc is contains binary information so do not skip by hash as well
for f_ext in self.SourceFileList:
if '.inc' in str(f_ext):
return False
- if GlobalData.gUseHashCache:
- # If there is a valid hash or function generated a valid hash; function will return False
- # and the statement below will return True
- return not self.GenModuleHash()
- return False
+
+ # Use Cache, if exists and if Module has a copy in cache
+ if GlobalData.gBinCacheSource and self.AttemptModuleCacheCopy():
+ return True
+
+ # Early exit for libraries that haven't yet finished building
+ HashFile = path.join(self.BuildDir, self.Name + ".hash")
+ if self.IsLibrary and not os.path.exists(HashFile):
+ return False
+
+ # Return a Boolean based on if can skip by hash, either from memory or from IO.
+ if self.Name not in GlobalData.gBuildHashSkipTracking[self.Arch]:
+ # If hashes are the same, SaveFileOnChange() will return False.
+ GlobalData.gBuildHashSkipTracking[self.Arch][self.Name] = not SaveFileOnChange(HashFile, self.GenModuleHash(), True)
+ return GlobalData.gBuildHashSkipTracking[self.Arch][self.Name]
+ else:
+ return GlobalData.gBuildHashSkipTracking[self.Arch][self.Name]
## Decide whether we can skip the ModuleAutoGen process
# If any source file is newer than the module than we cannot skip
|