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-rw-r--r--tools/binman/etype/u_boot_spl_bss_pad.py26
1 files changed, 26 insertions, 0 deletions
diff --git a/tools/binman/etype/u_boot_spl_bss_pad.py b/tools/binman/etype/u_boot_spl_bss_pad.py
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+++ b/tools/binman/etype/u_boot_spl_bss_pad.py
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+# Copyright (c) 2016 Google, Inc
+# Written by Simon Glass <sjg@chromium.org>
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Entry-type module for BSS padding for spl/u-boot-spl.bin. This padding
+# can be added after the SPL binary to ensure that anything concatenated
+# to it will appear to SPL to be at the end of BSS rather than the start.
+#
+
+import command
+from entry import Entry
+from blob import Entry_blob
+import tools
+
+class Entry_u_boot_spl_bss_pad(Entry_blob):
+ def __init__(self, image, etype, node):
+ Entry_blob.__init__(self, image, etype, node)
+
+ def ObtainContents(self):
+ fname = tools.GetInputFilename('spl/u-boot-spl')
+ args = [['nm', fname], ['grep', '__bss_size']]
+ out = command.RunPipe(args, capture=True).stdout.splitlines()
+ bss_size = int(out[0].split()[0], 16)
+ self.data = chr(0) * bss_size
+ self.contents_size = bss_size