u-boot-brain/tools/binman/etype/section.py
Simon Glass 08723a7abb binman: Record the parent section of each section
At present sections have no record of their parent so it is not possible
to traverse up the tree to the root and figure out the position of a
section within the image.

Change the constructor to record this information.

Signed-off-by: Simon Glass <sjg@chromium.org>
2018-09-29 11:49:35 -06:00

107 lines
3.4 KiB
Python

# SPDX-License-Identifier: GPL-2.0+
# Copyright (c) 2018 Google, Inc
# Written by Simon Glass <sjg@chromium.org>
#
# Entry-type module for sections, which are entries which can contain other
# entries.
#
from entry import Entry
import fdt_util
import tools
import bsection
class Entry_section(Entry):
"""Entry that contains other entries
Properties / Entry arguments: (see binman README for more information)
- size: Size of section in bytes
- align-size: Align size to a particular power of two
- pad-before: Add padding before the entry
- pad-after: Add padding after the entry
- pad-byte: Pad byte to use when padding
- sort-by-offset: Reorder the entries by offset
- end-at-4gb: Used to build an x86 ROM which ends at 4GB (2^32)
- name-prefix: Adds a prefix to the name of every entry in the section
when writing out the map
A section is an entry which can contain other entries, thus allowing
hierarchical images to be created. See 'Sections and hierarchical images'
in the binman README for more information.
"""
def __init__(self, section, etype, node):
Entry.__init__(self, section, etype, node)
self._section = bsection.Section(node.name, section, node,
section._image)
def GetFdtSet(self):
return self._section.GetFdtSet()
def ProcessFdt(self, fdt):
return self._section.ProcessFdt(fdt)
def ExpandEntries(self):
Entry.ExpandEntries(self)
self._section.ExpandEntries()
def AddMissingProperties(self):
Entry.AddMissingProperties(self)
self._section.AddMissingProperties()
def ObtainContents(self):
return self._section.GetEntryContents()
def GetData(self):
return self._section.GetData()
def GetOffsets(self):
"""Handle entries that want to set the offset/size of other entries
This calls each entry's GetOffsets() method. If it returns a list
of entries to update, it updates them.
"""
self._section.GetEntryOffsets()
return {}
def Pack(self, offset):
"""Pack all entries into the section"""
self._section.PackEntries()
self._section.SetOffset(offset)
self.size = self._section.GetSize()
return super(Entry_section, self).Pack(offset)
def SetImagePos(self, image_pos):
Entry.SetImagePos(self, image_pos)
self._section.SetImagePos(image_pos + self.offset)
def WriteSymbols(self, section):
"""Write symbol values into binary files for access at run time"""
self._section.WriteSymbols()
def SetCalculatedProperties(self):
Entry.SetCalculatedProperties(self)
self._section.SetCalculatedProperties()
def ProcessContents(self):
self._section.ProcessEntryContents()
super(Entry_section, self).ProcessContents()
def CheckOffset(self):
self._section.CheckEntries()
def WriteMap(self, fd, indent):
"""Write a map of the section to a .map file
Args:
fd: File to write the map to
"""
self._section.WriteMap(fd, indent)
def GetEntries(self):
return self._section.GetEntries()
def ExpandToLimit(self, limit):
super(Entry_section, self).ExpandToLimit(limit)
self._section.ExpandSize(self.size)