| # SPDX-License-Identifier: GPL-2.0+ |
| # Copyright (c) 2016 Google, Inc |
| # Written by Simon Glass <sjg@chromium.org> |
| # |
| # 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 |
| import elf |
| 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') |
| bss_size = elf.GetSymbolAddress(fname, '__bss_size') |
| if not bss_size: |
| self.Raise('Expected __bss_size symbol in spl/u-boot-spl') |
| self.data = chr(0) * bss_size |
| self.contents_size = bss_size |
