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https://github.com/brain-hackers/u-boot-brain
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7208396bbf
This reverts commit5d3a21df66, reversing changes made to56d37f1c56. Unfortunately this is causing CI failures: https://travis-ci.org/github/trini/u-boot/jobs/711313649 Signed-off-by: Tom Rini <trini@konsulko.com>
79 lines
2.4 KiB
Python
79 lines
2.4 KiB
Python
# SPDX-License-Identifier: GPL-2.0+
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# Copyright (c) 2018 Google, Inc
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# Written by Simon Glass <sjg@chromium.org>
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#
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from collections import OrderedDict
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from binman.entry import Entry, EntryArg
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from dtoc import fdt_util
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from patman import tools
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class Entry_text(Entry):
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"""An entry which contains text
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The text can be provided either in the node itself or by a command-line
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argument. There is a level of indirection to allow multiple text strings
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and sharing of text.
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Properties / Entry arguments:
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text-label: The value of this string indicates the property / entry-arg
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that contains the string to place in the entry
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<xxx> (actual name is the value of text-label): contains the string to
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place in the entry.
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<text>: The text to place in the entry (overrides the above mechanism).
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This is useful when the text is constant.
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Example node:
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text {
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size = <50>;
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text-label = "message";
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};
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You can then use:
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binman -amessage="this is my message"
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and binman will insert that string into the entry.
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It is also possible to put the string directly in the node:
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text {
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size = <8>;
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text-label = "message";
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message = "a message directly in the node"
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};
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or just:
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text {
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size = <8>;
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text = "some text directly in the node"
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};
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The text is not itself nul-terminated. This can be achieved, if required,
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by setting the size of the entry to something larger than the text.
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"""
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def __init__(self, section, etype, node):
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Entry.__init__(self, section, etype, node)
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value = fdt_util.GetString(self._node, 'text')
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if value:
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value = tools.ToBytes(value)
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else:
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label, = self.GetEntryArgsOrProps([EntryArg('text-label', str)])
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self.text_label = label
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if self.text_label:
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value, = self.GetEntryArgsOrProps([EntryArg(self.text_label,
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str)])
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value = tools.ToBytes(value) if value is not None else value
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self.value = value
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def ObtainContents(self):
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if not self.value:
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self.Raise("No value provided for text label '%s'" %
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self.text_label)
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self.SetContents(self.value)
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return True
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