xref: /openbmc/u-boot/tools/buildman/bsettings.py (revision cbd2fba1) 
1# SPDX-License-Identifier: GPL-2.0+
2# Copyright (c) 2012 The Chromium OS Authors.
3
4import ConfigParser
5import os
6import StringIO
7
8
9def Setup(fname=''):
10    """Set up the buildman settings module by reading config files
11
12    Args:
13        config_fname:   Config filename to read ('' for default)
14    """
15    global settings
16    global config_fname
17
18    settings = ConfigParser.SafeConfigParser()
19    if fname is not None:
20        config_fname = fname
21        if config_fname == '':
22            config_fname = '%s/.buildman' % os.getenv('HOME')
23        if not os.path.exists(config_fname):
24            print 'No config file found ~/.buildman\nCreating one...\n'
25            CreateBuildmanConfigFile(config_fname)
26            print 'To install tool chains, please use the --fetch-arch option'
27        if config_fname:
28            settings.read(config_fname)
29
30def AddFile(data):
31    settings.readfp(StringIO.StringIO(data))
32
33def GetItems(section):
34    """Get the items from a section of the config.
35
36    Args:
37        section: name of section to retrieve
38
39    Returns:
40        List of (name, value) tuples for the section
41    """
42    try:
43        return settings.items(section)
44    except ConfigParser.NoSectionError as e:
45        return []
46    except:
47        raise
48
49def SetItem(section, tag, value):
50    """Set an item and write it back to the settings file"""
51    global settings
52    global config_fname
53
54    settings.set(section, tag, value)
55    if config_fname is not None:
56        with open(config_fname, 'w') as fd:
57            settings.write(fd)
58
59def CreateBuildmanConfigFile(config_fname):
60    """Creates a new config file with no tool chain information.
61
62    Args:
63        config_fname: Config filename to create
64
65    Returns:
66        None
67    """
68    try:
69        f = open(config_fname, 'w')
70    except IOError:
71        print "Couldn't create buildman config file '%s'\n" % config_fname
72        raise
73
74    print >>f, '''[toolchain]
75# name = path
76# e.g. x86 = /opt/gcc-4.6.3-nolibc/x86_64-linux
77
78[toolchain-prefix]
79# name = path to prefix
80# e.g. x86 = /opt/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-
81
82[toolchain-alias]
83# arch = alias
84# Indicates which toolchain should be used to build for that arch
85x86 = i386
86blackfin = bfin
87nds32 = nds32le
88openrisc = or1k
89
90[make-flags]
91# Special flags to pass to 'make' for certain boards, e.g. to pass a test
92# flag and build tag to snapper boards:
93# snapper-boards=ENABLE_AT91_TEST=1
94# snapper9260=${snapper-boards} BUILD_TAG=442
95# snapper9g45=${snapper-boards} BUILD_TAG=443
96'''
97    f.close();
98