LXR linux/arch/microblaze/kernel/vmlinux.lds.S

   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                LOCK_TEXT
  37                KPROBES_TEXT
  38                IRQENTRY_TEXT
  39                . = ALIGN (4) ;
  40                _etext = . ;
  41        }
  42
  43        . = ALIGN (4) ;
  44        __fdt_blob : AT(ADDR(__fdt_blob) - LOAD_OFFSET) {
  45                _fdt_start = . ;                /* place for fdt blob */
  46                *(__fdt_blob) ;                 /* Any link-placed DTB */
  47                . = _fdt_start + 0x8000;        /* Pad up to 32kbyte */
  48                _fdt_end = . ;
  49        }
  50
  51        . = ALIGN(16);
  52        RODATA
  53        EXCEPTION_TABLE(16)
  54        NOTES
  55
  56        /*
  57         * sdata2 section can go anywhere, but must be word aligned
  58         * and SDA2_BASE must point to the middle of it
  59         */
  60        .sdata2 : AT(ADDR(.sdata2) - LOAD_OFFSET) {
  61                _ssrw = .;
  62                . = ALIGN(PAGE_SIZE); /* page aligned when MMU used */
  63                *(.sdata2)
  64        . = ALIGN(8);
  65        _essrw = .;
  66        _ssrw_size = _essrw - _ssrw;
  67        _KERNEL_SDA2_BASE_ = _ssrw + (_ssrw_size / 2);
  68        }
  69
  70        _sdata = . ;
  71        RW_DATA_SECTION(32, PAGE_SIZE, THREAD_SIZE)
  72        _edata = . ;
  73
  74        /* Under the microblaze ABI, .sdata and .sbss must be contiguous */
  75        . = ALIGN(8);
  76        .sdata : AT(ADDR(.sdata) - LOAD_OFFSET) {
  77                _ssro = .;
  78                *(.sdata)
  79        }
  80
  81        .sbss : AT(ADDR(.sbss) - LOAD_OFFSET) {
  82                _ssbss = .;
  83                *(.sbss)
  84                _esbss = .;
  85                _essro = .;
  86                _ssro_size = _essro - _ssro ;
  87                _KERNEL_SDA_BASE_ = _ssro + (_ssro_size / 2) ;
  88        }
  89
  90        . = ALIGN(PAGE_SIZE);
  91        __init_begin = .;
  92
  93        INIT_TEXT_SECTION(PAGE_SIZE)
  94
  95        .init.data : AT(ADDR(.init.data) - LOAD_OFFSET) {
  96                INIT_DATA
  97        }
  98
  99        . = ALIGN(4);
 100        .init.ivt : AT(ADDR(.init.ivt) - LOAD_OFFSET) {
 101                __ivt_start = .;
 102                *(.init.ivt)
 103                __ivt_end = .;
 104        }
 105
 106        .init.setup : AT(ADDR(.init.setup) - LOAD_OFFSET) {
 107                INIT_SETUP(0)
 108        }
 109
 110        .initcall.init : AT(ADDR(.initcall.init) - LOAD_OFFSET ) {
 111                INIT_CALLS
 112        }
 113
 114        .con_initcall.init : AT(ADDR(.con_initcall.init) - LOAD_OFFSET) {
 115                CON_INITCALL
 116        }
 117
 118        SECURITY_INIT
 119
 120        __init_end_before_initramfs = .;
 121
 122        .init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) {
 123                INIT_RAM_FS
 124        }
 125
 126        __init_end = .;
 127
 128        .bss ALIGN (PAGE_SIZE) : AT(ADDR(.bss) - LOAD_OFFSET) {
 129                /* page aligned when MMU used */
 130                __bss_start = . ;
 131                        *(.bss*)
 132                        *(COMMON)
 133                . = ALIGN (4) ;
 134                __bss_stop = . ;
 135        }
 136        . = ALIGN(PAGE_SIZE);
 137        _end = .;
 138
 139        DISCARDS
 140}
 141