1/* 2 * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu> 3 * Copyright (C) 2008-2009 PetaLogix 4 * Copyright (C) 2006 Atmark Techno, Inc. 5 * 6 * This file is subject to the terms and conditions of the GNU General Public 7 * License. See the file "COPYING" in the main directory of this archive 8 * for more details. 9 */ 10 11OUTPUT_ARCH(microblaze) 12ENTRY(microblaze_start) 13 14#include <asm/page.h> 15#include <asm-generic/vmlinux.lds.h> 16#include <asm/thread_info.h> 17 18#ifdef __MICROBLAZEEL__ 19jiffies = jiffies_64; 20#else 21jiffies = jiffies_64 + 4; 22#endif 23 24SECTIONS { 25 . = CONFIG_KERNEL_START; 26 microblaze_start = CONFIG_KERNEL_BASE_ADDR; 27 .text : AT(ADDR(.text) - LOAD_OFFSET) { 28 _text = . ; 29 _stext = . ; 30 HEAD_TEXT 31 TEXT_TEXT 32 *(.fixup) 33 EXIT_TEXT 34 EXIT_CALL 35 SCHED_TEXT 36 CPUIDLE_TEXT 37 LOCK_TEXT 38 KPROBES_TEXT 39 IRQENTRY_TEXT 40 SOFTIRQENTRY_TEXT 41 . = ALIGN (4) ; 42 _etext = . ; 43 } 44 45 . = ALIGN (4) ; 46 __fdt_blob : AT(ADDR(__fdt_blob) - LOAD_OFFSET) { 47 _fdt_start = . ; /* place for fdt blob */ 48 *(__fdt_blob) ; /* Any link-placed DTB */ 49 . = _fdt_start + 0x8000; /* Pad up to 32kbyte */ 50 _fdt_end = . ; 51 } 52 53 . = ALIGN(16); 54 RODATA 55 EXCEPTION_TABLE(16) 56 NOTES 57 58 /* 59 * sdata2 section can go anywhere, but must be word aligned 60 * and SDA2_BASE must point to the middle of it 61 */ 62 .sdata2 : AT(ADDR(.sdata2) - LOAD_OFFSET) { 63 _ssrw = .; 64 . = ALIGN(PAGE_SIZE); /* page aligned when MMU used */ 65 *(.sdata2) 66 . = ALIGN(8); 67 _essrw = .; 68 _ssrw_size = _essrw - _ssrw; 69 _KERNEL_SDA2_BASE_ = _ssrw + (_ssrw_size / 2); 70 } 71 72 _sdata = . ; 73 RW_DATA_SECTION(32, PAGE_SIZE, THREAD_SIZE) 74 _edata = . ; 75 76 /* Under the microblaze ABI, .sdata and .sbss must be contiguous */ 77 . = ALIGN(8); 78 .sdata : AT(ADDR(.sdata) - LOAD_OFFSET) { 79 _ssro = .; 80 *(.sdata) 81 } 82 83 .sbss : AT(ADDR(.sbss) - LOAD_OFFSET) { 84 _ssbss = .; 85 *(.sbss) 86 _esbss = .; 87 _essro = .; 88 _ssro_size = _essro - _ssro ; 89 _KERNEL_SDA_BASE_ = _ssro + (_ssro_size / 2) ; 90 } 91 92 . = ALIGN(PAGE_SIZE); 93 __init_begin = .; 94 95 INIT_TEXT_SECTION(PAGE_SIZE) 96 97 .init.data : AT(ADDR(.init.data) - LOAD_OFFSET) { 98 INIT_DATA 99 } 100 101 . = ALIGN(4); 102 .init.ivt : AT(ADDR(.init.ivt) - LOAD_OFFSET) { 103 __ivt_start = .; 104 *(.init.ivt) 105 __ivt_end = .; 106 } 107 108 .init.setup : AT(ADDR(.init.setup) - LOAD_OFFSET) { 109 INIT_SETUP(0) 110 } 111 112 .initcall.init : AT(ADDR(.initcall.init) - LOAD_OFFSET ) { 113 INIT_CALLS 114 } 115 116 .con_initcall.init : AT(ADDR(.con_initcall.init) - LOAD_OFFSET) { 117 CON_INITCALL 118 } 119 120 SECURITY_INIT 121 122 __init_end_before_initramfs = .; 123 124 .init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) { 125 INIT_RAM_FS 126 } 127 128 __init_end = .; 129 130 .bss ALIGN (PAGE_SIZE) : AT(ADDR(.bss) - LOAD_OFFSET) { 131 /* page aligned when MMU used */ 132 __bss_start = . ; 133 *(.bss*) 134 *(COMMON) 135 . = ALIGN (4) ; 136 __bss_stop = . ; 137 } 138 . = ALIGN(PAGE_SIZE); 139 _end = .; 140 141 DISCARDS 142} 143