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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/arch/openrisc/kernel/vmlinux.lds.S
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/* SPDX-License-Identifier: GPL-2.0-or-later */

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/*

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 * OpenRISC vmlinux.lds.S

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 *

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 * Linux architectural port borrowing liberally from similar works of

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 * others.  All original copyrights apply as per the original source

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 * declaration.

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 *

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 * Modifications for the OpenRISC architecture:

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 * Copyright (C) 2003 Matjaz Breskvar <[email protected]>

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 * Copyright (C) 2010-2011 Jonas Bonn <[email protected]>

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 *

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 * ld script for OpenRISC architecture

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 */

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/* TODO

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 *		- clean up __offset & stuff

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 *		- change all 8192 alignment to PAGE !!!

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 *		- recheck if all alignments are really needed

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 */

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#  define LOAD_OFFSET  PAGE_OFFSET

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#  define LOAD_BASE    PAGE_OFFSET

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#include <asm/page.h>

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#include <asm/cache.h>

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#include <asm/thread_info.h>

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#include <asm-generic/vmlinux.lds.h>

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#ifdef __OR1K__

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#define __OUTPUT_FORMAT        "elf32-or1k"

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#else

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#define __OUTPUT_FORMAT        "elf32-or32"

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#endif

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OUTPUT_FORMAT(__OUTPUT_FORMAT, __OUTPUT_FORMAT, __OUTPUT_FORMAT)

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jiffies = jiffies_64 + 4;

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SECTIONS

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{

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        /* Read-only sections, merged into text segment: */

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        . = LOAD_BASE ;

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	_text = .;

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	/* _s_kernel_ro must be page aligned */

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	. = ALIGN(PAGE_SIZE);

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	_s_kernel_ro = .;

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        .text                   : AT(ADDR(.text) - LOAD_OFFSET)

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	{

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          _stext = .;

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	  HEAD_TEXT

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	  TEXT_TEXT

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	  SCHED_TEXT

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	  LOCK_TEXT

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	  KPROBES_TEXT

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	  IRQENTRY_TEXT

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	  SOFTIRQENTRY_TEXT

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	  *(.fixup)

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	  *(.text.__*)

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	  _etext = .;

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	}

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	/* TODO: Check if fixup and text.__* are really necessary

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	 * fixup is definitely necessary

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	 */

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	_sdata = .;

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	/* Page alignment required for RO_DATA */

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	RO_DATA(PAGE_SIZE)

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	_e_kernel_ro = .;

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	/* Whatever comes after _e_kernel_ro had better be page-aligend, too */

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	/* 32 here is cacheline size... recheck this */

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	RW_DATA(32, PAGE_SIZE, PAGE_SIZE)

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        _edata  =  .;

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	EXCEPTION_TABLE(4)

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	/* Init code and data */

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	. = ALIGN(PAGE_SIZE);

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	__init_begin = .;

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	/* Page aligned */

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	INIT_TEXT_SECTION(PAGE_SIZE)

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	/* Align __setup_start on 16 byte boundary */

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	INIT_DATA_SECTION(16)

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	PERCPU_SECTION(L1_CACHE_BYTES)

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        __init_end = .;

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	BSS_SECTION(0, 0, 0x20)

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        _end = .;

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	/* Throw in the debugging sections */

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	STABS_DEBUG

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	DWARF_DEBUG

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	ELF_DETAILS

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        /* Sections to be discarded -- must be last */

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	DISCARDS

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}

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