154 lines
4.2 KiB
Plaintext
154 lines
4.2 KiB
Plaintext
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/****************************************************************************
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* kernel-space.ld
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*
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* Copyright (C) 2015 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/* NOTE: This depends on the memory.ld script having been included prior to
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* this script.
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*/
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OUTPUT_ARCH(arm)
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EXTERN(_vectors)
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EXTERN(boot_header)
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ENTRY(_stext)
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/*
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* Ensure that abort() is present in the final object. The exception handling
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* code pulled in by libgcc.a requires it (and that code cannot be easily avoided).
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*/
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EXTERN(abort)
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EXTERN(_bootdelay_signature)
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/*
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* TODO: Fill in the signature location into TOC from user-space elf
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EXTERN(_main_toc)
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*/
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SECTIONS
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{
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.boot_header :
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{
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KEEP(*(.boot_header))
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} > BOOT_HEADER
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.text : {
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_stext = ABSOLUTE(.);
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*(.vectors)
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. = ALIGN(32);
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/*
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This signature provides the bootloader with a way to delay booting
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*/
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_bootdelay_signature = ABSOLUTE(.);
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FILL(0xffecc2925d7d05c5)
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. += 8;
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/*
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*(.main_toc)
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*/
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*(.text .text.*)
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*(.fixup)
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*(.gnu.warning)
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*(.rodata .rodata.*)
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*(.gnu.linkonce.t.*)
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*(.glue_7)
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*(.glue_7t)
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*(.got)
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*(.gcc_except_table)
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*(.gnu.linkonce.r.*)
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_etext = ABSOLUTE(.);
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} > kflash
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/*
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* Init functions (static constructors and the like)
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*/
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.init_section : {
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_sinit = ABSOLUTE(.);
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KEEP(*(.init_array .init_array.*))
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_einit = ABSOLUTE(.);
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} > kflash
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.ARM.extab : {
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*(.ARM.extab*)
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} > kflash
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__exidx_start = ABSOLUTE(.);
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.ARM.exidx : {
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*(.ARM.exidx*)
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} > kflash
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__exidx_end = ABSOLUTE(.);
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_eronly = ABSOLUTE(.);
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.data : {
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_sdata = ABSOLUTE(.);
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*(.data .data.*)
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*(.gnu.linkonce.d.*)
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CONSTRUCTORS
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_edata = ABSOLUTE(.);
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} > ksram AT > kflash
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.bss : {
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_sbss = ABSOLUTE(.);
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*(.bss .bss.*)
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*(.gnu.linkonce.b.*)
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*(COMMON)
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. = ALIGN(4);
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_ebss = ABSOLUTE(.);
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} > ksram
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/* Stabs debugging sections */
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.stab 0 : { *(.stab) }
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.stabstr 0 : { *(.stabstr) }
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.stab.excl 0 : { *(.stab.excl) }
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.stab.exclstr 0 : { *(.stab.exclstr) }
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.stab.index 0 : { *(.stab.index) }
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.stab.indexstr 0 : { *(.stab.indexstr) }
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.comment 0 : { *(.comment) }
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.debug_abbrev 0 : { *(.debug_abbrev) }
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.debug_info 0 : { *(.debug_info) }
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.debug_line 0 : { *(.debug_line) }
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.debug_pubnames 0 : { *(.debug_pubnames) }
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.debug_aranges 0 : { *(.debug_aranges) }
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.ramfunc : {
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_sramfuncs = .;
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*(.ramfunc .ramfunc.*)
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. = ALIGN(4);
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_eramfuncs = .;
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} > ksram AT > kflash
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_framfuncs = LOADADDR(.ramfunc);
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}
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