root/arch/openrisc/kernel/vmlinux.lds.S
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * OpenRISC vmlinux.lds.S
 *
 * Linux architectural port borrowing liberally from similar works of
 * others.  All original copyrights apply as per the original source
 * declaration.
 *
 * Modifications for the OpenRISC architecture:
 * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
 * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
 *
 * ld script for OpenRISC architecture
 */

/* TODO
 *              - clean up __offset & stuff
 *              - change all 8192 alignment to PAGE !!!
 *              - recheck if all alignments are really needed
 */

#  define LOAD_OFFSET  PAGE_OFFSET
#  define LOAD_BASE    PAGE_OFFSET

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

#ifdef __OR1K__
#define __OUTPUT_FORMAT        "elf32-or1k"
#else
#define __OUTPUT_FORMAT        "elf32-or32"
#endif

OUTPUT_FORMAT(__OUTPUT_FORMAT, __OUTPUT_FORMAT, __OUTPUT_FORMAT)
jiffies = jiffies_64 + 4;

SECTIONS
{
        /* Read-only sections, merged into text segment: */
        . = LOAD_BASE ;

        _text = .;

        /* _s_kernel_ro must be page aligned */
        . = ALIGN(PAGE_SIZE);
        _s_kernel_ro = .;

        .text                   : AT(ADDR(.text) - LOAD_OFFSET)
        {
          _stext = .;
          HEAD_TEXT
          TEXT_TEXT
          SCHED_TEXT
          LOCK_TEXT
          KPROBES_TEXT
          IRQENTRY_TEXT
          SOFTIRQENTRY_TEXT
          *(.fixup)
          *(.text.__*)
          _etext = .;
        }
        /* TODO: Check if fixup and text.__* are really necessary
         * fixup is definitely necessary
         */

        _sdata = .;

        /* Page alignment required for RO_DATA */
        RO_DATA(PAGE_SIZE)
        _e_kernel_ro = .;

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

        /* 32 here is cacheline size... recheck this */
        RW_DATA(32, PAGE_SIZE, PAGE_SIZE)

        _edata  =  .;

        EXCEPTION_TABLE(4)

        /* Init code and data */
        . = ALIGN(PAGE_SIZE);
        __init_begin = .;

        /* Page aligned */
        INIT_TEXT_SECTION(PAGE_SIZE)

        /* Align __setup_start on 16 byte boundary */
        INIT_DATA_SECTION(16)

        PERCPU_SECTION(L1_CACHE_BYTES)

        __init_end = .;

        BSS_SECTION(0, 0, 0x20)

        _end = .;

        /* Throw in the debugging sections */
        STABS_DEBUG
        DWARF_DEBUG
        MODINFO
        ELF_DETAILS

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