tools/binman/etype/section.py

   1 # SPDX-License-Identifier:      GPL-2.0+
   2 # Copyright (c) 2018 Google, Inc
   3 # Written by Simon Glass <sjg@chromium.org>
   4 #
   5 # Entry-type module for sections, which are entries which can contain other
   6 # entries.
   7 #
   8
   9 from entry import Entry
  10 import fdt_util
  11 import tools
  12
  13 import bsection
  14
  15 class Entry_section(Entry):
  16     def __init__(self, image, etype, node):
  17         Entry.__init__(self, image, etype, node)
  18         self._section = bsection.Section(node.name, node)
  19
  20     def ProcessFdt(self, fdt):
  21         return self._section.ProcessFdt(fdt)
  22
  23     def AddMissingProperties(self):
  24         Entry.AddMissingProperties(self)
  25         self._section.AddMissingProperties()
  26
  27     def ObtainContents(self):
  28         return self._section.GetEntryContents()
  29
  30     def GetData(self):
  31         return self._section.GetData()
  32
  33     def GetOffsets(self):
  34         """Handle entries that want to set the offset/size of other entries
  35
  36         This calls each entry's GetOffsets() method. If it returns a list
  37         of entries to update, it updates them.
  38         """
  39         self._section.GetEntryOffsets()
  40         return {}
  41
  42     def Pack(self, offset):
  43         """Pack all entries into the section"""
  44         self._section.PackEntries()
  45         self._section.SetOffset(offset)
  46         self.size = self._section.GetSize()
  47         return super(Entry_section, self).Pack(offset)
  48
  49     def SetImagePos(self, image_pos):
  50         Entry.SetImagePos(self, image_pos)
  51         self._section.SetImagePos(image_pos + self.offset)
  52
  53     def WriteSymbols(self, section):
  54         """Write symbol values into binary files for access at run time"""
  55         self._section.WriteSymbols()
  56
  57     def SetCalculatedProperties(self):
  58         Entry.SetCalculatedProperties(self)
  59         self._section.SetCalculatedProperties()
  60
  61     def ProcessContents(self):
  62         self._section.ProcessEntryContents()
  63         super(Entry_section, self).ProcessContents()
  64
  65     def CheckOffset(self):
  66         self._section.CheckEntries()
  67
  68     def WriteMap(self, fd, indent):
  69         """Write a map of the section to a .map file
  70
  71         Args:
  72             fd: File to write the map to
  73         """
  74         self._section.WriteMap(fd, indent)