mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-03 09:59:44 +00:00
3b0c3821d6
It is useful to be able to see a list of regions in each image produced by binman. Add a -m option to output this information in a '.map' file alongside the image file. Signed-off-by: Simon Glass <sjg@chromium.org>
108 lines
3.5 KiB
Python
108 lines
3.5 KiB
Python
# SPDX-License-Identifier: GPL-2.0+
|
|
# Copyright (c) 2016 Google, Inc
|
|
# Written by Simon Glass <sjg@chromium.org>
|
|
#
|
|
# Class for an image, the output of binman
|
|
#
|
|
|
|
from __future__ import print_function
|
|
|
|
from collections import OrderedDict
|
|
from operator import attrgetter
|
|
import re
|
|
import sys
|
|
|
|
import fdt_util
|
|
import bsection
|
|
import tools
|
|
|
|
class Image:
|
|
"""A Image, representing an output from binman
|
|
|
|
An image is comprised of a collection of entries each containing binary
|
|
data. The image size must be large enough to hold all of this data.
|
|
|
|
This class implements the various operations needed for images.
|
|
|
|
Atrtributes:
|
|
_node: Node object that contains the image definition in device tree
|
|
_name: Image name
|
|
_size: Image size in bytes, or None if not known yet
|
|
_filename: Output filename for image
|
|
_sections: Sections present in this image (may be one or more)
|
|
|
|
Args:
|
|
test: True if this is being called from a test of Images. This this case
|
|
there is no device tree defining the structure of the section, so
|
|
we create a section manually.
|
|
"""
|
|
def __init__(self, name, node, test=False):
|
|
self._node = node
|
|
self._name = name
|
|
self._size = None
|
|
self._filename = '%s.bin' % self._name
|
|
if test:
|
|
self._section = bsection.Section('main-section', self._node, True)
|
|
else:
|
|
self._ReadNode()
|
|
|
|
def _ReadNode(self):
|
|
"""Read properties from the image node"""
|
|
self._size = fdt_util.GetInt(self._node, 'size')
|
|
filename = fdt_util.GetString(self._node, 'filename')
|
|
if filename:
|
|
self._filename = filename
|
|
self._section = bsection.Section('main-section', self._node)
|
|
|
|
def GetEntryContents(self):
|
|
"""Call ObtainContents() for the section
|
|
"""
|
|
self._section.GetEntryContents()
|
|
|
|
def GetEntryPositions(self):
|
|
"""Handle entries that want to set the position/size of other entries
|
|
|
|
This calls each entry's GetPositions() method. If it returns a list
|
|
of entries to update, it updates them.
|
|
"""
|
|
self._section.GetEntryPositions()
|
|
|
|
def PackEntries(self):
|
|
"""Pack all entries into the image"""
|
|
self._section.PackEntries()
|
|
|
|
def CheckSize(self):
|
|
"""Check that the image contents does not exceed its size, etc."""
|
|
self._size = self._section.CheckSize()
|
|
|
|
def CheckEntries(self):
|
|
"""Check that entries do not overlap or extend outside the image"""
|
|
self._section.CheckEntries()
|
|
|
|
def ProcessEntryContents(self):
|
|
"""Call the ProcessContents() method for each entry
|
|
|
|
This is intended to adjust the contents as needed by the entry type.
|
|
"""
|
|
self._section.ProcessEntryContents()
|
|
|
|
def WriteSymbols(self):
|
|
"""Write symbol values into binary files for access at run time"""
|
|
self._section.WriteSymbols()
|
|
|
|
def BuildImage(self):
|
|
"""Write the image to a file"""
|
|
fname = tools.GetOutputFilename(self._filename)
|
|
with open(fname, 'wb') as fd:
|
|
self._section.BuildSection(fd, 0)
|
|
|
|
def GetEntries(self):
|
|
return self._section.GetEntries()
|
|
|
|
def WriteMap(self):
|
|
"""Write a map of the image to a .map file"""
|
|
filename = '%s.map' % self._name
|
|
fname = tools.GetOutputFilename(filename)
|
|
with open(fname, 'w') as fd:
|
|
print('%8s %8s %s' % ('Position', 'Size', 'Name'), file=fd)
|
|
self._section.WriteMap(fd, 0)
|