arch/c6x/kernel/vmlinux.lds.S

   1 /*
   2  * ld script for the c6x kernel
   3  *
   4  *  Copyright (C) 2010, 2011 Texas Instruments Incorporated
   5  *  Mark Salter <msalter@redhat.com>
   6  */
   7 #include <asm-generic/vmlinux.lds.h>
   8 #include <asm/thread_info.h>
   9 #include <asm/page.h>
  10
  11 ENTRY(_c_int00)
  12
  13 #if defined(CONFIG_CPU_BIG_ENDIAN)
  14 jiffies = jiffies_64 + 4;
  15 #else
  16 jiffies = jiffies_64;
  17 #endif
  18
  19 #define READONLY_SEGMENT_START  \
  20         . = PAGE_OFFSET;
  21 #define READWRITE_SEGMENT_START \
  22         . = ALIGN(128);         \
  23         _data_lma = .;
  24
  25 SECTIONS
  26 {
  27         /*
  28          * Start kernel read only segment
  29          */
  30         READONLY_SEGMENT_START
  31
  32         .vectors :
  33         {
  34                 _vectors_start = .;
  35                 *(.vectors)
  36                 . = ALIGN(0x400);
  37                 _vectors_end = .;
  38         }
  39
  40         . = ALIGN(0x1000);
  41         .cmdline :
  42         {
  43                 *(.cmdline)
  44         }
  45
  46         /*
  47          * This section contains data which may be shared with other
  48          * cores. It needs to be a fixed offset from PAGE_OFFSET
  49          * regardless of kernel configuration.
  50          */
  51         .virtio_ipc_dev :
  52         {
  53                 *(.virtio_ipc_dev)
  54         }
  55
  56         . = ALIGN(PAGE_SIZE);
  57         .init :
  58         {
  59                 _stext = .;
  60                 _sinittext = .;
  61                 HEAD_TEXT
  62                 INIT_TEXT
  63                 _einittext = .;
  64         }
  65
  66         __init_begin = _stext;
  67         INIT_DATA_SECTION(16)
  68
  69         PERCPU_SECTION(128)
  70
  71         . = ALIGN(PAGE_SIZE);
  72         __init_end = .;
  73
  74         .text :
  75         {
  76                 _text = .;
  77                 TEXT_TEXT
  78                 SCHED_TEXT
  79                 LOCK_TEXT
  80                 IRQENTRY_TEXT
  81                 KPROBES_TEXT
  82                 *(.fixup)
  83                 *(.gnu.warning)
  84         }
  85
  86         EXCEPTION_TABLE(16)
  87         NOTES
  88
  89         RO_DATA_SECTION(PAGE_SIZE)
  90         .const :
  91         {
  92                 *(.const .const.* .gnu.linkonce.r.*)
  93                 *(.switch)
  94         }
  95
  96         . = ALIGN (8) ;
  97         __fdt_blob : AT(ADDR(__fdt_blob) - LOAD_OFFSET)
  98         {
  99                 _fdt_start = . ;        /* place for fdt blob */
 100                 *(__fdt_blob) ;         /* Any link-placed DTB */
 101                 BYTE(0);                /* section always has contents */
 102                 . = _fdt_start + 0x4000;        /* Pad up to 16kbyte */
 103                 _fdt_end = . ;
 104         }
 105
 106         _etext = .;
 107
 108         /*
 109          * Start kernel read-write segment.
 110          */
 111         READWRITE_SEGMENT_START
 112         _sdata = .;
 113
 114         .fardata : AT(ADDR(.fardata) - LOAD_OFFSET)
 115         {
 116                 INIT_TASK_DATA(THREAD_SIZE)
 117                 NOSAVE_DATA
 118                 PAGE_ALIGNED_DATA(PAGE_SIZE)
 119                 CACHELINE_ALIGNED_DATA(128)
 120                 READ_MOSTLY_DATA(128)
 121                 DATA_DATA
 122                 CONSTRUCTORS
 123                 *(.data1)
 124                 *(.fardata .fardata.*)
 125                 *(.data.debug_bpt)
 126         }
 127
 128         .neardata ALIGN(8) : AT(ADDR(.neardata) - LOAD_OFFSET)
 129         {
 130                 *(.neardata2 .neardata2.* .gnu.linkonce.s2.*)
 131                 *(.neardata .neardata.* .gnu.linkonce.s.*)
 132                 . = ALIGN(8);
 133         }
 134
 135         _edata = .;
 136
 137         __bss_start = .;
 138         SBSS(8)
 139         BSS(8)
 140         .far :
 141         {
 142                 . = ALIGN(8);
 143                 *(.dynfar)
 144                 *(.far .far.* .gnu.linkonce.b.*)
 145                 . = ALIGN(8);
 146         }
 147         __bss_stop = .;
 148
 149         _end = .;
 150
 151         DWARF_DEBUG
 152
 153         /DISCARD/ :
 154         {
 155                   EXIT_TEXT
 156                   EXIT_DATA
 157                   EXIT_CALL
 158                   *(.discard)
 159                   *(.discard.*)
 160                   *(.interp)
 161         }
 162 }