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d2e850e961
This will make a separated section for dtb appear in ELF, and we can
then use objcopy to patch a dtb into vmlinuz when RAW_APPENDED_DTB
is set in kernel config.
command to patch a dtb:
objcopy --set-section-flags=.appended_dtb=alloc,contents \
--update-section=.appended_dtb=<target>.dtb vmlinuz
Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
61 lines
928 B
Plaintext
61 lines
928 B
Plaintext
/*
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* ld.script for compressed kernel support of MIPS
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*
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* Copyright (C) 2009 Lemote Inc.
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* Author: Wu Zhangjin <wuzhanjing@gmail.com>
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* Copyright (C) 2010 "Wu Zhangjin" <wuzhanjing@gmail.com>
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*/
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OUTPUT_ARCH(mips)
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ENTRY(start)
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PHDRS {
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text PT_LOAD FLAGS(7); /* RWX */
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}
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SECTIONS
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{
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/* Text and read-only data */
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/* . = VMLINUZ_LOAD_ADDRESS; */
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.text : {
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*(.text)
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*(.rodata)
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}: text
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/* End of text section */
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/* Writable data */
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.data : {
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*(.data)
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/* Put the compressed image here */
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__image_begin = .;
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*(.image)
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__image_end = .;
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CONSTRUCTORS
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. = ALIGN(16);
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}
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.appended_dtb : {
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__appended_dtb = .;
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/* leave space for appended DTB */
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. += 0x100000;
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}
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_edata = .;
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/* End of data section */
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/* BSS */
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.bss : {
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*(.bss)
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}
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. = ALIGN(16);
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_end = .;
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/* Sections to be discarded */
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/DISCARD/ : {
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*(.MIPS.options)
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*(.options)
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*(.pdr)
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*(.reginfo)
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*(.comment)
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*(.note)
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}
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}
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