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         /*
  41          * This section contains data which may be shared with other
  42          * cores. It needs to be a fixed offset from PAGE_OFFSET
  43          * regardless of kernel configuration.
  44          */
  45         .virtio_ipc_dev :
  46         {
  47                 *(.virtio_ipc_dev)
  48         }
  49
  50         . = ALIGN(PAGE_SIZE);
  51         __init_begin = .;
  52         .init :
  53         {
  54                 _sinittext = .;
  55                 HEAD_TEXT
  56                 INIT_TEXT
  57                 _einittext = .;
  58         }
  59
  60         INIT_DATA_SECTION(16)
  61
  62         PERCPU_SECTION(128)
  63
  64         . = ALIGN(PAGE_SIZE);
  65         __init_end = .;
  66
  67         .text :
  68         {
  69                 _text = .;
  70                 _stext = .;
  71                 TEXT_TEXT
  72                 SCHED_TEXT
  73                 CPUIDLE_TEXT
  74                 LOCK_TEXT
  75                 IRQENTRY_TEXT
  76                 SOFTIRQENTRY_TEXT
  77                 KPROBES_TEXT
  78                 *(.fixup)
  79                 *(.gnu.warning)
  80         }
  81
  82         EXCEPTION_TABLE(16)
  83         NOTES
  84
  85         RO_DATA_SECTION(PAGE_SIZE)
  86         .const :
  87         {
  88                 *(.const .const.* .gnu.linkonce.r.*)
  89                 *(.switch)
  90         }
  91
  92         . = ALIGN (8) ;
  93         __fdt_blob : AT(ADDR(__fdt_blob) - LOAD_OFFSET)
  94         {
  95                 _fdt_start = . ;        /* place for fdt blob */
  96                 *(__fdt_blob) ;         /* Any link-placed DTB */
  97                 BYTE(0);                /* section always has contents */
  98                 . = _fdt_start + 0x4000;        /* Pad up to 16kbyte */
  99                 _fdt_end = . ;
 100         }
 101
 102         _etext = .;
 103
 104         /*
 105          * Start kernel read-write segment.
 106          */
 107         READWRITE_SEGMENT_START
 108         _sdata = .;
 109
 110         .fardata : AT(ADDR(.fardata) - LOAD_OFFSET)
 111         {
 112                 INIT_TASK_DATA(THREAD_SIZE)
 113                 NOSAVE_DATA
 114                 PAGE_ALIGNED_DATA(PAGE_SIZE)
 115                 CACHELINE_ALIGNED_DATA(128)
 116                 READ_MOSTLY_DATA(128)
 117                 DATA_DATA
 118                 CONSTRUCTORS
 119                 *(.data1)
 120                 *(.fardata .fardata.*)
 121                 *(.data.debug_bpt)
 122         }
 123
 124         .neardata ALIGN(8) : AT(ADDR(.neardata) - LOAD_OFFSET)
 125         {
 126                 *(.neardata2 .neardata2.* .gnu.linkonce.s2.*)
 127                 *(.neardata .neardata.* .gnu.linkonce.s.*)
 128                 . = ALIGN(8);
 129         }
 130
 131         BUG_TABLE
 132
 133         _edata = .;
 134
 135         __bss_start = .;
 136         SBSS(8)
 137         BSS(8)
 138         .far :
 139         {
 140                 . = ALIGN(8);
 141                 *(.dynfar)
 142                 *(.far .far.* .gnu.linkonce.b.*)
 143                 . = ALIGN(8);
 144         }
 145         __bss_stop = .;
 146
 147         _end = .;
 148
 149         DWARF_DEBUG
 150
 151         /DISCARD/ :
 152         {
 153                   EXIT_TEXT
 154                   EXIT_DATA
 155                   EXIT_CALL
 156                   *(.discard)
 157                   *(.discard.*)
 158                   *(.interp)
 159         }
 160 }