Subversion Repositories openrisc_2011-10-31

OUTPUT_FORMAT("elf32-mt", "elf32-mt", "elf32-mt")

OUTPUT_ARCH(mt)

ENTRY(__boot_start)

/* Do we need any of these for elf?

   __DYNAMIC = 0;    */

MEMORY

{

  ram (rwx) : ORIGIN = 0x0, LENGTH = 128K

  frame-buffer (w) : ORIGIN = 0xde0000, LENGTH = 40K

  ports (w) : ORIGIN = 0xfff000, LENGTH = 4K

  dma-ram (w) : ORIGIN = 0x1000000, LENGTH = 16M-4K

}

SECTIONS

{

  /* Read-only sections, merged into text segment: */

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  /* Adjust the address for the data segment.  We want to adjust up to

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  /* Exception handling  */

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  /* Thread Local Storage sections  */

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  /* Ensure the __preinit_array_start label is properly aligned.  We

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     the linker would then create the section even if it turns out to

     be empty, which isn't pretty.  */

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  PROVIDE (__preinit_array_start = .);

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  PROVIDE (__preinit_array_end = .);

  PROVIDE (__init_array_start = .);

  .init_array     : { *(.init_array) } >ram

  PROVIDE (__init_array_end = .);

  PROVIDE (__fini_array_start = .);

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  PROVIDE (__fini_array_end = .);

  .ctors :

  {

    /* gcc uses crtbegin.o to find the start of

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       actually link against crtbegin.o; the

       linker won't look for a file to match a

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       is in.  */

    KEEP (*crtbegin.o(.ctors))

    /* We don't want to include the .ctor section from

       from the crtend.o file until after the sorted ctors.

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       end of ctors marker and it must be last */

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    KEEP (*(SORT(.ctors.*)))

    KEEP (*(.ctors))

  } >ram

  .dtors :

  {

    KEEP (*crtbegin.o(.dtors))

    KEEP (*(EXCLUDE_FILE (*crtend.o ) .dtors))

    KEEP (*(SORT(.dtors.*)))

    KEEP (*(.dtors))

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  .dynamic        : { *(.dynamic) } >ram

  /* DJK - Re-align the data section from the read-only section. */

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  PROVIDE (_data = .);

  .data           :

  {

    *(.data .data.* .gnu.linkonce.d.*)

    SORT(CONSTRUCTORS)

  } >ram

  .data1          : { *(.data1) } >ram

  .got            : { *(.got.plt) *(.got) } >ram

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     we can shorten the on-disk segment size.  */

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  _edata = .;

  PROVIDE ( edata = . ) ;

  .sbss           :

  {

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    PROVIDE (___sbss_start = .);

    *(.dynsbss)

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    PROVIDE (___sbss_end = .);

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    *(.bss .bss.* .gnu.linkonce.b.*)

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  } >ram

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  PROVIDE (end = .);

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  {

    *(.auxdata)

  } >frame-buffer

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  _fbdata_end = _fbdata_start + SIZEOF ( .auxdata ) ;

  _fbdata_vma = ADDR ( .auxdata );

  PROVIDE (__FRAME_BUFFER_START = ADDR(.auxbss) );

  PROVIDE (__FRAME_BUFFER_SIZE = 0xa000);

  PROVIDE (__FRAME_BUFFER_END = __FRAME_BUFFER_START + __FRAME_BUFFER_SIZE);

  .dma            : { _dma_start = .; *(.dma) _dma_end = .; } >dma-ram

  .internal_io (NOLOAD) : { *(.internal_io) } >ports

  /* Stabs debugging sections.  */

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  .stab.indexstr   0 : { *(.stab.indexstr) }

  .comment         0 : { *(.comment) }

  /* DWARF debug sections.

     Symbols in the DWARF debugging sections are relative to the beginning

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  /* GNU DWARF 1 extensions */

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     equal to __stack_size. */

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  PROVIDE (__stack_size = 0x800);

  .stack (DEFINED(__stack) ? __stack : 0x007ffff0) :

  {

     __stack = .;

    *(.stack)

    LONG(0xdeaddead)

  }

  /DISCARD/ : { *(.note.GNU-stack) }

}