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 11 OUTPUT_ARCH(microblaze) 12 ENTRY(microblaze_start) 13 14 #define RO_EXCEPTION_TABLE_ALIGN 16 15 16 #include <asm/cache.h> 17 #include <asm/page.h> 18 #include <asm-generic/vmlinux.lds.h> 19 #include <asm/thread_info.h> 20 21 #ifdef __MICROBLAZEEL__ 22 jiffies = jiffies_64; 23 #else 24 jiffies = jiffies_64 + 4; 25 #endif 26 27 SECTIONS { 28 . = CONFIG_KERNEL_START; 29 microblaze_start = CONFIG_KERNEL_BASE_ADDR; 30 .text : AT(ADDR(.text) - LOAD_OFFSET) { 31 _text = . ; 32 _stext = . ; 33 HEAD_TEXT 34 TEXT_TEXT 35 *(.fixup) 36 EXIT_TEXT 37 EXIT_CALL 38 SCHED_TEXT 39 CPUIDLE_TEXT 40 LOCK_TEXT 41 KPROBES_TEXT 42 IRQENTRY_TEXT 43 SOFTIRQENTRY_TEXT 44 . = ALIGN (4) ; 45 _etext = . ; 46 } 47 48 . = ALIGN (4) ; 49 __fdt_blob : AT(ADDR(__fdt_blob) - LOAD_OFFSET) { 50 _fdt_start = . ; /* place for fdt blob */ 51 *(__fdt_blob) ; /* Any link-placed DTB */ 52 . = _fdt_start + 0x10000; /* Pad up to 64kbyte */ 53 _fdt_end = . ; 54 } 55 56 . = ALIGN(16); 57 RO_DATA(4096) 58 59 /* 60 * sdata2 section can go anywhere, but must be word aligned 61 * and SDA2_BASE must point to the middle of it 62 */ 63 .sdata2 : AT(ADDR(.sdata2) - LOAD_OFFSET) { 64 _ssrw = .; 65 . = ALIGN(PAGE_SIZE); /* page aligned when MMU used */ 66 *(.sdata2) 67 . = ALIGN(8); 68 _essrw = .; 69 _ssrw_size = _essrw - _ssrw; 70 _KERNEL_SDA2_BASE_ = _ssrw + (_ssrw_size / 2); 71 } 72 73 _sdata = . ; 74 RW_DATA(32, PAGE_SIZE, THREAD_SIZE) 75 _edata = . ; 76 77 /* Under the microblaze ABI, .sdata and .sbss must be contiguous */ 78 . = ALIGN(8); 79 .sdata : AT(ADDR(.sdata) - LOAD_OFFSET) { 80 _ssro = .; 81 *(.sdata) 82 } 83 84 .sbss : AT(ADDR(.sbss) - LOAD_OFFSET) { 85 _ssbss = .; 86 *(.sbss) 87 _esbss = .; 88 _essro = .; 89 _ssro_size = _essro - _ssro ; 90 _KERNEL_SDA_BASE_ = _ssro + (_ssro_size / 2) ; 91 } 92 93 PERCPU_SECTION(L1_CACHE_BYTES) 94 95 . = ALIGN(PAGE_SIZE); 96 __init_begin = .; 97 98 INIT_TEXT_SECTION(PAGE_SIZE) 99 100 .init.data : AT(ADDR(.init.data) - LOAD_OFFSET) { 101 INIT_DATA 102 } 103 104 . = ALIGN(4); 105 .init.ivt : AT(ADDR(.init.ivt) - LOAD_OFFSET) { 106 __ivt_start = .; 107 *(.init.ivt) 108 __ivt_end = .; 109 } 110 111 .init.setup : AT(ADDR(.init.setup) - LOAD_OFFSET) { 112 INIT_SETUP(0) 113 } 114 115 .initcall.init : AT(ADDR(.initcall.init) - LOAD_OFFSET ) { 116 INIT_CALLS 117 } 118 119 .con_initcall.init : AT(ADDR(.con_initcall.init) - LOAD_OFFSET) { 120 CON_INITCALL 121 } 122 123 __init_end_before_initramfs = .; 124 125 .init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) { 126 INIT_RAM_FS 127 } 128 129 __init_end = .; 130 131 .bss ALIGN (PAGE_SIZE) : AT(ADDR(.bss) - LOAD_OFFSET) { 132 /* page aligned when MMU used */ 133 __bss_start = . ; 134 *(.bss*) 135 *(COMMON) 136 . = ALIGN (4) ; 137 __bss_stop = . ; 138 } 139 . = ALIGN(PAGE_SIZE); 140 _end = .; 141 142 DISCARDS 143 } 144