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binman: Allow control of which entries to read

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The ObtainContents() and GetEntryContents() methods in this file read
every single entry in the section. This is the common case.

However when one of the entries has had its data updated (e.g. with
'binman replace') we don't want to read it again from the file. Allow
the entry to be skipped, for this purpose. This is currently done in the
CBFS implementation, so adding it here will allow that to use more of
the entry_Section code.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2021-11-23 11:03:48 -07:00
parent d34bcdd054
commit e586f44ea7
1 changed files with 7 additions and 6 deletions
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13
tools/binman/etype/section.py
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@ -143,8 +143,8 @@ class Entry_section(Entry):
for entry in self._entries.values():
entry.AddMissingProperties(have_image_pos)
def ObtainContents(self):
return self.GetEntryContents()
def ObtainContents(self, skip_entry=None):
return self.GetEntryContents(skip_entry=skip_entry)
def GetPaddedDataForEntry(self, entry, entry_data):
"""Get the data for an entry including any padding
@ -527,12 +527,13 @@ class Entry_section(Entry):
return entry
return None
def GetEntryContents(self):
def GetEntryContents(self, skip_entry=None):
"""Call ObtainContents() for each entry in the section
"""
def _CheckDone(entry):
if not entry.ObtainContents():
next_todo.append(entry)
if entry != skip_entry:
if not entry.ObtainContents():
next_todo.append(entry)
return entry
todo = self._entries.values()
@ -620,7 +621,7 @@ class Entry_section(Entry):
def ListEntries(self, entries, indent):
"""List the files in the section"""
Entry.AddEntryInfo(entries, indent, self.name, 'section', self.size,
Entry.AddEntryInfo(entries, indent, self.name, self.etype, self.size,
self.image_pos, None, self.offset, self)
for entry in self._entries.values():
entry.ListEntries(entries, indent + 1)