1/* SPDX-License-Identifier: GPL-2.0-or-later */ 2/* 3 * OpenRISC vmlinux.lds.S 4 * 5 * Linux architectural port borrowing liberally from similar works of 6 * others. All original copyrights apply as per the original source 7 * declaration. 8 * 9 * Modifications for the OpenRISC architecture: 10 * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com> 11 * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se> 12 * 13 * ld script for OpenRISC architecture 14 */ 15 16/* TODO 17 * - clean up __offset & stuff 18 * - change all 8192 alignment to PAGE !!! 19 * - recheck if all alignments are really needed 20 */ 21 22# define LOAD_OFFSET PAGE_OFFSET 23# define LOAD_BASE PAGE_OFFSET 24 25#include <asm/page.h> 26#include <asm/cache.h> 27#include <asm/thread_info.h> 28#include <asm-generic/vmlinux.lds.h> 29 30#ifdef __OR1K__ 31#define __OUTPUT_FORMAT "elf32-or1k" 32#else 33#define __OUTPUT_FORMAT "elf32-or32" 34#endif 35 36OUTPUT_FORMAT(__OUTPUT_FORMAT, __OUTPUT_FORMAT, __OUTPUT_FORMAT) 37jiffies = jiffies_64 + 4; 38 39SECTIONS 40{ 41 /* Read-only sections, merged into text segment: */ 42 . = LOAD_BASE ; 43 44 _text = .; 45 46 /* _s_kernel_ro must be page aligned */ 47 . = ALIGN(PAGE_SIZE); 48 _s_kernel_ro = .; 49 50 .text : AT(ADDR(.text) - LOAD_OFFSET) 51 { 52 _stext = .; 53 TEXT_TEXT 54 SCHED_TEXT 55 CPUIDLE_TEXT 56 LOCK_TEXT 57 KPROBES_TEXT 58 IRQENTRY_TEXT 59 SOFTIRQENTRY_TEXT 60 *(.fixup) 61 *(.text.__*) 62 _etext = .; 63 } 64 /* TODO: Check if fixup and text.__* are really necessary 65 * fixup is definitely necessary 66 */ 67 68 _sdata = .; 69 70 /* Page alignment required for RO_DATA */ 71 RO_DATA(PAGE_SIZE) 72 _e_kernel_ro = .; 73 74 /* Whatever comes after _e_kernel_ro had better be page-aligend, too */ 75 76 /* 32 here is cacheline size... recheck this */ 77 RW_DATA(32, PAGE_SIZE, PAGE_SIZE) 78 79 _edata = .; 80 81 EXCEPTION_TABLE(4) 82 83 /* Init code and data */ 84 . = ALIGN(PAGE_SIZE); 85 __init_begin = .; 86 87 HEAD_TEXT_SECTION 88 89 /* Page aligned */ 90 INIT_TEXT_SECTION(PAGE_SIZE) 91 92 /* Align __setup_start on 16 byte boundary */ 93 INIT_DATA_SECTION(16) 94 95 PERCPU_SECTION(L1_CACHE_BYTES) 96 97 __init_end = .; 98 99 BSS_SECTION(0, 0, 0x20) 100 101 _end = .; 102 103 /* Throw in the debugging sections */ 104 STABS_DEBUG 105 DWARF_DEBUG 106 ELF_DETAILS 107 108 /* Sections to be discarded -- must be last */ 109 DISCARDS 110} 111