1/* 2 * ld script to make SuperH Linux kernel 3 * Written by Niibe Yutaka and Paul Mundt 4 */ 5#ifdef CONFIG_SUPERH64 6#define LOAD_OFFSET CONFIG_PAGE_OFFSET 7OUTPUT_ARCH(sh:sh5) 8#else 9#define LOAD_OFFSET 0 10OUTPUT_ARCH(sh) 11#endif 12 13#include <asm/thread_info.h> 14#include <asm/cache.h> 15#include <asm-generic/vmlinux.lds.h> 16 17ENTRY(_start) 18SECTIONS 19{ 20#ifdef CONFIG_PMB_FIXED 21 . = CONFIG_PAGE_OFFSET + (CONFIG_MEMORY_START & 0x1fffffff) + 22 CONFIG_ZERO_PAGE_OFFSET; 23#elif defined(CONFIG_32BIT) 24 . = CONFIG_PAGE_OFFSET + CONFIG_ZERO_PAGE_OFFSET; 25#else 26 . = CONFIG_PAGE_OFFSET + CONFIG_MEMORY_START + CONFIG_ZERO_PAGE_OFFSET; 27#endif 28 29 _text = .; /* Text and read-only data */ 30 31 .empty_zero_page : AT(ADDR(.empty_zero_page) - LOAD_OFFSET) { 32 *(.empty_zero_page) 33 } = 0 34 35 .text : AT(ADDR(.text) - LOAD_OFFSET) { 36 HEAD_TEXT 37 TEXT_TEXT 38 39#ifdef CONFIG_SUPERH64 40 *(.text64) 41 *(.text..SHmedia32) 42#endif 43 44 SCHED_TEXT 45 LOCK_TEXT 46 KPROBES_TEXT 47 IRQENTRY_TEXT 48 *(.fixup) 49 *(.gnu.warning) 50 _etext = .; /* End of text section */ 51 } = 0x0009 52 53 . = ALIGN(16); /* Exception table */ 54 __ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) { 55 __start___ex_table = .; 56 *(__ex_table) 57 __stop___ex_table = .; 58 } 59 60 NOTES 61 RO_DATA(PAGE_SIZE) 62 63 /* 64 * Code which must be executed uncached and the associated data 65 */ 66 . = ALIGN(PAGE_SIZE); 67 .uncached : AT(ADDR(.uncached) - LOAD_OFFSET) { 68 __uncached_start = .; 69 *(.uncached.text) 70 *(.uncached.data) 71 __uncached_end = .; 72 } 73 74 . = ALIGN(THREAD_SIZE); 75 .data : AT(ADDR(.data) - LOAD_OFFSET) { /* Data */ 76 *(.data.init_task) 77 78 . = ALIGN(L1_CACHE_BYTES); 79 *(.data.cacheline_aligned) 80 81 . = ALIGN(L1_CACHE_BYTES); 82 *(.data.read_mostly) 83 84 . = ALIGN(PAGE_SIZE); 85 *(.data.page_aligned) 86 87 __nosave_begin = .; 88 *(.data.nosave) 89 . = ALIGN(PAGE_SIZE); 90 __nosave_end = .; 91 92 DATA_DATA 93 CONSTRUCTORS 94 } 95 96 _edata = .; /* End of data section */ 97 98 . = ALIGN(PAGE_SIZE); /* Init code and data */ 99 .init.text : AT(ADDR(.init.text) - LOAD_OFFSET) { 100 __init_begin = .; 101 _sinittext = .; 102 INIT_TEXT 103 _einittext = .; 104 } 105 106 .init.data : AT(ADDR(.init.data) - LOAD_OFFSET) { INIT_DATA } 107 108 . = ALIGN(16); 109 .init.setup : AT(ADDR(.init.setup) - LOAD_OFFSET) { 110 __setup_start = .; 111 *(.init.setup) 112 __setup_end = .; 113 } 114 115 .initcall.init : AT(ADDR(.initcall.init) - LOAD_OFFSET) { 116 __initcall_start = .; 117 INITCALLS 118 __initcall_end = .; 119 } 120 121 .con_initcall.init : AT(ADDR(.con_initcall.init) - LOAD_OFFSET) { 122 __con_initcall_start = .; 123 *(.con_initcall.init) 124 __con_initcall_end = .; 125 } 126 127 SECURITY_INIT 128 129#ifdef CONFIG_BLK_DEV_INITRD 130 . = ALIGN(PAGE_SIZE); 131 .init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) { 132 __initramfs_start = .; 133 *(.init.ramfs) 134 __initramfs_end = .; 135 } 136#endif 137 138 . = ALIGN(4); 139 .machvec.init : AT(ADDR(.machvec.init) - LOAD_OFFSET) { 140 __machvec_start = .; 141 *(.machvec.init) 142 __machvec_end = .; 143 } 144 145 PERCPU(PAGE_SIZE) 146 147 /* 148 * .exit.text is discarded at runtime, not link time, to deal with 149 * references from __bug_table 150 */ 151 .exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET) { EXIT_TEXT } 152 .exit.data : AT(ADDR(.exit.data) - LOAD_OFFSET) { EXIT_DATA } 153 154 . = ALIGN(PAGE_SIZE); 155 .bss : AT(ADDR(.bss) - LOAD_OFFSET) { 156 __init_end = .; 157 __bss_start = .; /* BSS */ 158 *(.bss.page_aligned) 159 *(.bss) 160 *(COMMON) 161 . = ALIGN(4); 162 _ebss = .; /* uClinux MTD sucks */ 163 _end = . ; 164 } 165 166 /* 167 * When something in the kernel is NOT compiled as a module, the 168 * module cleanup code and data are put into these segments. Both 169 * can then be thrown away, as cleanup code is never called unless 170 * it's a module. 171 */ 172 /DISCARD/ : { 173 *(.exitcall.exit) 174 } 175 176 STABS_DEBUG 177 DWARF_DEBUG 178} 179