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                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 + 0x10000;       /* Pad up to 64kbyte */
  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