1/* 2 * OpenRISC vmlinux.lds.S 3 * 4 * Linux architectural port borrowing liberally from similar works of 5 * others. All original copyrights apply as per the original source 6 * declaration. 7 * 8 * Modifications for the OpenRISC architecture: 9 * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com> 10 * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se> 11 * 12 * This program is free software; you can redistribute it and/or 13 * modify it under the terms of the GNU General Public License 14 * as published by the Free Software Foundation; either version 15 * 2 of the License, or (at your option) any later version. 16 * 17 * ld script for OpenRISC architecture 18 */ 19 20/* TODO 21 * - clean up __offset & stuff 22 * - change all 8192 aligment to PAGE !!! 23 * - recheck if all aligments are really needed 24 */ 25 26# define LOAD_OFFSET PAGE_OFFSET 27# define LOAD_BASE PAGE_OFFSET 28 29#include <asm/page.h> 30#include <asm/cache.h> 31#include <asm-generic/vmlinux.lds.h> 32 33OUTPUT_FORMAT("elf32-or32", "elf32-or32", "elf32-or32") 34jiffies = jiffies_64 + 4; 35 36SECTIONS 37{ 38 /* Read-only sections, merged into text segment: */ 39 . = LOAD_BASE ; 40 41 /* _s_kernel_ro must be page aligned */ 42 . = ALIGN(PAGE_SIZE); 43 _s_kernel_ro = .; 44 45 .text : AT(ADDR(.text) - LOAD_OFFSET) 46 { 47 _stext = .; 48 TEXT_TEXT 49 SCHED_TEXT 50 LOCK_TEXT 51 KPROBES_TEXT 52 IRQENTRY_TEXT 53 *(.fixup) 54 *(.text.__*) 55 _etext = .; 56 } 57 /* TODO: Check if fixup and text.__* are really necessary 58 * fixup is definitely necessary 59 */ 60 61 _sdata = .; 62 63 /* Page alignment required for RO_DATA_SECTION */ 64 RO_DATA_SECTION(PAGE_SIZE) 65 _e_kernel_ro = .; 66 67 /* Whatever comes after _e_kernel_ro had better be page-aligend, too */ 68 69 /* 32 here is cacheline size... recheck this */ 70 RW_DATA_SECTION(32, PAGE_SIZE, PAGE_SIZE) 71 72 _edata = .; 73 74 EXCEPTION_TABLE(4) 75 NOTES 76 77 /* Init code and data */ 78 . = ALIGN(PAGE_SIZE); 79 __init_begin = .; 80 81 HEAD_TEXT_SECTION 82 83 /* Page aligned */ 84 INIT_TEXT_SECTION(PAGE_SIZE) 85 86 /* Align __setup_start on 16 byte boundary */ 87 INIT_DATA_SECTION(16) 88 89 PERCPU_SECTION(L1_CACHE_BYTES) 90 91 __init_end = .; 92 93 . = ALIGN(PAGE_SIZE); 94 .initrd : AT(ADDR(.initrd) - LOAD_OFFSET) 95 { 96 __initrd_start = .; 97 *(.initrd) 98 __initrd_end = .; 99 FILL (0); 100 . = ALIGN (PAGE_SIZE); 101 } 102 103 __vmlinux_end = .; /* last address of the physical file */ 104 105 BSS_SECTION(0, 0, 0x20) 106 107 _end = .; 108 109 /* Throw in the debugging sections */ 110 STABS_DEBUG 111 DWARF_DEBUG 112 113 /* Sections to be discarded -- must be last */ 114 DISCARDS 115} 116