colin/u-boot
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

patman: Update fmap code for Python 3

Browse Source 
This needs special care to ensure that the bytes type is used for
binary data. Add conversion code to deal with strings and bytes
correctly.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2019-05-17 22:00:48 -06:00
parent 0199d19349
commit f3a58c8a78
2 changed files with 11 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
tools/binman/fmap_util.py
View File

@@ -8,9 +8,12 @@
import collections
import struct
import sys
import tools
# constants imported from lib/fmap.h
FMAP_SIGNATURE = '__FMAP__'
FMAP_SIGNATURE = b'__FMAP__'
FMAP_VER_MAJOR = 1
FMAP_VER_MINOR = 0
FMAP_STRLEN = 32
@@ -50,6 +53,8 @@ FmapArea = collections.namedtuple('FmapArea', FMAP_AREA_NAMES)
def NameToFmap(name):
if type(name) == bytes and sys.version_info[0] >= 3:
name = name.decode('utf-8') # pragma: no cover (for Python 2)
return name.replace('\0', '').replace('-', '_').upper()
def ConvertName(field_names, fields):
@@ -65,7 +70,7 @@ def ConvertName(field_names, fields):
value: value of that field (string for the ones we support)
"""
name_index = field_names.index('name')
fields[name_index] = NameToFmap(fields[name_index])
fields[name_index] = tools.ToBytes(NameToFmap(fields[name_index]))
def DecodeFmap(data):
"""Decode a flashmap into a header and list of areas
@@ -106,7 +111,8 @@ def EncodeFmap(image_size, name, areas):
ConvertName(names, params)
return struct.pack(fmt, *params)
values = FmapHeader(FMAP_SIGNATURE, 1, 0, 0, image_size, name, len(areas))
values = FmapHeader(FMAP_SIGNATURE, 1, 0, 0, image_size,
tools.FromUnicode(name), len(areas))
blob = _FormatBlob(FMAP_HEADER_FORMAT, FMAP_HEADER_NAMES, values)
for area in areas:
blob += _FormatBlob(FMAP_AREA_FORMAT, FMAP_AREA_NAMES, area)