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/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 EXCEPTION_TABLE(16) 54 55 NOTES 56 RO_DATA(PAGE_SIZE) 57 58 /* 59 * Code which must be executed uncached and the associated data 60 */ 61 . = ALIGN(PAGE_SIZE); 62 .uncached : AT(ADDR(.uncached) - LOAD_OFFSET) { 63 __uncached_start = .; 64 *(.uncached.text) 65 *(.uncached.data) 66 __uncached_end = .; 67 } 68 69 RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE) 70 71 _edata = .; /* End of data section */ 72 73 DWARF_EH_FRAME 74 75 . = ALIGN(PAGE_SIZE); /* Init code and data */ 76 __init_begin = .; 77 INIT_TEXT_SECTION(PAGE_SIZE) 78 INIT_DATA_SECTION(16) 79 80 . = ALIGN(4); 81 .machvec.init : AT(ADDR(.machvec.init) - LOAD_OFFSET) { 82 __machvec_start = .; 83 *(.machvec.init) 84 __machvec_end = .; 85 } 86 87 PERCPU(PAGE_SIZE) 88 89 /* 90 * .exit.text is discarded at runtime, not link time, to deal with 91 * references from __bug_table 92 */ 93 .exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET) { EXIT_TEXT } 94 .exit.data : AT(ADDR(.exit.data) - LOAD_OFFSET) { EXIT_DATA } 95 96 . = ALIGN(PAGE_SIZE); 97 __init_end = .; 98 BSS_SECTION(0, PAGE_SIZE, 4) 99 _ebss = .; /* uClinux MTD sucks */ 100 _end = . ; 101 102 STABS_DEBUG 103 DWARF_DEBUG 104 105 DISCARDS 106} 107