2018-05-07 06:58:06 +09:00
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# SPDX-License-Identifier: GPL-2.0+
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2016-11-26 12:15:55 +09:00
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# Copyright (c) 2016 Google, Inc
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# Written by Simon Glass <sjg@chromium.org>
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#
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# Entry-type module for BSS padding for spl/u-boot-spl.bin. This padding
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# can be added after the SPL binary to ensure that anything concatenated
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# to it will appear to SPL to be at the end of BSS rather than the start.
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#
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import command
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2017-11-14 10:54:54 +09:00
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import elf
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2016-11-26 12:15:55 +09:00
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from entry import Entry
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from blob import Entry_blob
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import tools
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class Entry_u_boot_spl_bss_pad(Entry_blob):
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2018-06-02 00:38:14 +09:00
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def __init__(self, section, etype, node):
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Entry_blob.__init__(self, section, etype, node)
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2016-11-26 12:15:55 +09:00
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def ObtainContents(self):
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fname = tools.GetInputFilename('spl/u-boot-spl')
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2017-11-14 10:54:54 +09:00
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bss_size = elf.GetSymbolAddress(fname, '__bss_size')
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if not bss_size:
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self.Raise('Expected __bss_size symbol in spl/u-boot-spl')
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2016-11-26 12:15:55 +09:00
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self.data = chr(0) * bss_size
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self.contents_size = bss_size
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2018-07-07 01:27:17 +09:00
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return True
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