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 33#ifdef __OR1K__ 34#define __OUTPUT_FORMAT "elf32-or1k" 35#else 36#define __OUTPUT_FORMAT "elf32-or32" 37#endif 38 39OUTPUT_FORMAT(__OUTPUT_FORMAT, __OUTPUT_FORMAT, __OUTPUT_FORMAT) 40jiffies = jiffies_64 + 4; 41 42SECTIONS 43{ 44 /* Read-only sections, merged into text segment: */ 45 . = LOAD_BASE ; 46 47 /* _s_kernel_ro must be page aligned */ 48 . = ALIGN(PAGE_SIZE); 49 _s_kernel_ro = .; 50 51 .text : AT(ADDR(.text) - LOAD_OFFSET) 52 { 53 _stext = .; 54 TEXT_TEXT 55 SCHED_TEXT 56 CPUIDLE_TEXT 57 LOCK_TEXT 58 KPROBES_TEXT 59 IRQENTRY_TEXT 60 SOFTIRQENTRY_TEXT 61 *(.fixup) 62 *(.text.__*) 63 _etext = .; 64 } 65 /* TODO: Check if fixup and text.__* are really necessary 66 * fixup is definitely necessary 67 */ 68 69 _sdata = .; 70 71 /* Page alignment required for RO_DATA_SECTION */ 72 RO_DATA_SECTION(PAGE_SIZE) 73 _e_kernel_ro = .; 74 75 /* Whatever comes after _e_kernel_ro had better be page-aligend, too */ 76 77 /* 32 here is cacheline size... recheck this */ 78 RW_DATA_SECTION(32, PAGE_SIZE, PAGE_SIZE) 79 80 _edata = .; 81 82 EXCEPTION_TABLE(4) 83 NOTES 84 85 /* Init code and data */ 86 . = ALIGN(PAGE_SIZE); 87 __init_begin = .; 88 89 HEAD_TEXT_SECTION 90 91 /* Page aligned */ 92 INIT_TEXT_SECTION(PAGE_SIZE) 93 94 /* Align __setup_start on 16 byte boundary */ 95 INIT_DATA_SECTION(16) 96 97 PERCPU_SECTION(L1_CACHE_BYTES) 98 99 __init_end = .; 100 101 . = ALIGN(PAGE_SIZE); 102 .initrd : AT(ADDR(.initrd) - LOAD_OFFSET) 103 { 104 __initrd_start = .; 105 *(.initrd) 106 __initrd_end = .; 107 FILL (0); 108 . = ALIGN (PAGE_SIZE); 109 } 110 111 __vmlinux_end = .; /* last address of the physical file */ 112 113 BSS_SECTION(0, 0, 0x20) 114 115 _end = .; 116 117 /* Throw in the debugging sections */ 118 STABS_DEBUG 119 DWARF_DEBUG 120 121 /* Sections to be discarded -- must be last */ 122 DISCARDS 123} 124