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# SPDX-License-Identifier: GPL-2.0+
# Copyright 2018 Google, Inc
# Written by Simon Glass <sjg@chromium.org>
#
# Holds and modifies the state information held by binman
#
import re
from sets import Set
import os
import tools
# Records the device-tree files known to binman, keyed by filename (e.g.
# 'u-boot-spl.dtb')
fdt_files = {}
# Arguments passed to binman to provide arguments to entries
entry_args = {}
def GetFdt(fname):
"""Get the Fdt object for a particular device-tree filename
Binman keeps track of at least one device-tree file called u-boot.dtb but
can also have others (e.g. for SPL). This function looks up the given
filename and returns the associated Fdt object.
Args:
fname: Filename to look up (e.g. 'u-boot.dtb').
Returns:
Fdt object associated with the filename
"""
return fdt_files[fname]
def GetFdtPath(fname):
"""Get the full pathname of a particular Fdt object
Similar to GetFdt() but returns the pathname associated with the Fdt.
Args:
fname: Filename to look up (e.g. 'u-boot.dtb').
Returns:
Full path name to the associated Fdt
"""
return fdt_files[fname]._fname
def SetEntryArgs(args):
"""Set the value of the entry args
This sets up the entry_args dict which is used to supply entry arguments to
entries.
Args:
args: List of entry arguments, each in the format "name=value"
"""
global entry_args
entry_args = {}
if args:
for arg in args:
m = re.match('([^=]*)=(.*)', arg)
if not m:
raise ValueError("Invalid entry arguemnt '%s'" % arg)
entry_args[m.group(1)] = m.group(2)
def GetEntryArg(name):
"""Get the value of an entry argument
Args:
name: Name of argument to retrieve
Returns:
String value of argument
"""
return entry_args.get(name)
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