Subversion Repositories openmsp430

/* ============================================================================ */
/* Copyright (c) 2014, Texas Instruments Incorporated                           */
/*  All rights reserved.                                                        */
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/*  modification, are permitted provided that the following conditions          */
/*  are met:                                                                    */
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/*  *  Redistributions in binary form must reproduce the above copyright        */
/*     notice, this list of conditions and the following disclaimer in the      */
/*     documentation and/or other materials provided with the distribution.     */
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/*     its contributors may be used to endorse or promote products derived      */
/*     from this software without specific prior written permission.            */
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/*  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" */
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/* ============================================================================ */

/* This file supports MSP430F110 devices. */
/* Version: 1.155 */
/* Default linker script, for normal executables */

OUTPUT_ARCH(msp430)
ENTRY(_start)

MEMORY {
  SFR              : ORIGIN = 0x0000, LENGTH = 0x0010
  PERIPHERAL_8BIT  : ORIGIN = 0x0010, LENGTH = 0x00F0
  PERIPHERAL_16BIT : ORIGIN = 0x0100, LENGTH = 0x0100
  RAM              : ORIGIN = 0x0200, LENGTH = 0x0400
  ROM (rx)         : ORIGIN = 0xF000, LENGTH = 0x1000-0x20
  VECT1            : ORIGIN = 0xFFE0, LENGTH = 0x0002
  VECT2            : ORIGIN = 0xFFE2, LENGTH = 0x0002
  VECT3            : ORIGIN = 0xFFE4, LENGTH = 0x0002
  VECT4            : ORIGIN = 0xFFE6, LENGTH = 0x0002
  VECT5            : ORIGIN = 0xFFE8, LENGTH = 0x0002
  VECT6            : ORIGIN = 0xFFEA, LENGTH = 0x0002
  VECT7            : ORIGIN = 0xFFEC, LENGTH = 0x0002
  VECT8            : ORIGIN = 0xFFEE, LENGTH = 0x0002
  VECT9            : ORIGIN = 0xFFF0, LENGTH = 0x0002
  VECT10           : ORIGIN = 0xFFF2, LENGTH = 0x0002
  VECT11           : ORIGIN = 0xFFF4, LENGTH = 0x0002
  VECT12           : ORIGIN = 0xFFF6, LENGTH = 0x0002
  VECT13           : ORIGIN = 0xFFF8, LENGTH = 0x0002
  VECT14           : ORIGIN = 0xFFFA, LENGTH = 0x0002
  VECT15           : ORIGIN = 0xFFFC, LENGTH = 0x0002
  RESETVEC         : ORIGIN = 0xFFFE, LENGTH = 0x0002
}

CCTL0    = 0x0162;
CCR0     = 0x0172;
CCTL1    = 0x0164;
CCR1     = 0x0174;
TAR      = 0x0170;
P1OUT    = 0x0021;

SCCI     = 0x0400;
CCIFG    = 0x0001;

SECTIONS
{
  __interrupt_vector_1   : { KEEP (*(__interrupt_vector_1 )) } > VECT1
  __interrupt_vector_2   : { KEEP (*(__interrupt_vector_2 )) } > VECT2
  __interrupt_vector_3   : { KEEP (*(__interrupt_vector_3 )) KEEP (*(__interrupt_vector_port1)) } > VECT3
  __interrupt_vector_4   : { KEEP (*(__interrupt_vector_4 )) KEEP (*(__interrupt_vector_port2)) } > VECT4
  __interrupt_vector_5   : { KEEP (*(__interrupt_vector_5 )) } > VECT5
  __interrupt_vector_6   : { KEEP (*(__interrupt_vector_6 )) } > VECT6
  __interrupt_vector_7   : { KEEP (*(__interrupt_vector_7 )) } > VECT7
  __interrupt_vector_8   : { KEEP (*(__interrupt_vector_8 )) } > VECT8
  __interrupt_vector_9   : { KEEP (*(__interrupt_vector_9 )) KEEP (*(__interrupt_vector_timera1)) } > VECT9
  __interrupt_vector_10  : { KEEP (*(__interrupt_vector_10)) KEEP (*(__interrupt_vector_timera0)) } > VECT10
  __interrupt_vector_11  : { KEEP (*(__interrupt_vector_11)) KEEP (*(__interrupt_vector_wdt)) } > VECT11
  __interrupt_vector_12  : { KEEP (*(__interrupt_vector_12)) } > VECT12
  __interrupt_vector_13  : { KEEP (*(__interrupt_vector_13)) } > VECT13
  __interrupt_vector_14  : { KEEP (*(__interrupt_vector_14)) } > VECT14
  __interrupt_vector_15  : { KEEP (*(__interrupt_vector_15)) KEEP (*(__interrupt_vector_nmi)) } > VECT15
  __reset_vector :
  {
    KEEP (*(__interrupt_vector_16))
    KEEP (*(__interrupt_vector_reset))
    KEEP (*(.resetvec))
  } > RESETVEC

  .rodata : {
    . = ALIGN(2);
    *(.plt)
    *(.rodata .rodata.* .gnu.linkonce.r.* .const .const:*)
    *(.rodata1)
    *(.eh_frame_hdr)
    KEEP (*(.eh_frame))
    KEEP (*(.gcc_except_table)) *(.gcc_except_table.*)
    PROVIDE (__preinit_array_start = .);
    KEEP (*(.preinit_array))
    PROVIDE (__preinit_array_end = .);
    PROVIDE (__init_array_start = .);
    KEEP (*(SORT(.init_array.*)))
    KEEP (*(.init_array))
    PROVIDE (__init_array_end = .);
    PROVIDE (__fini_array_start = .);
    KEEP (*(.fini_array))
    KEEP (*(SORT(.fini_array.*)))
    PROVIDE (__fini_array_end = .);
    LONG(0); /* Sentinel.  */

    /* gcc uses crtbegin.o to find the start of the constructors, so
       we make sure it is first.  Because this is a wildcard, it
       doesn't matter if the user does not actually link against
       crtbegin.o; the linker won't look for a file to match a
       wildcard.  The wildcard also means that it doesn't matter which
       directory crtbegin.o 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.  The .ctor section
       from the crtend file contains the end of ctors marker and it
       must be last */
    KEEP (*(EXCLUDE_FILE (*crtend*.o ) .ctors))
    KEEP (*(SORT(.ctors.*)))
    KEEP (*(.ctors))

    KEEP (*crtbegin*.o(.dtors))
    KEEP (*(EXCLUDE_FILE (*crtend*.o ) .dtors))
    KEEP (*(SORT(.dtors.*)))
    KEEP (*(.dtors))
  } > ROM

  .text           :
  {
    . = ALIGN(2);
    PROVIDE (_start = .);
    KEEP (*(SORT(.crt_*)))
    *(.lowtext .text .stub .text.* .gnu.linkonce.t.* .text:*)
    KEEP (*(.text.*personality*))
    /* .gnu.warning sections are handled specially by elf32.em.  */
    *(.gnu.warning)
    *(.interp .hash .dynsym .dynstr .gnu.version*)
    PROVIDE (__etext = .);
    PROVIDE (_etext = .);
    PROVIDE (etext = .);
    . = ALIGN(2);
    KEEP (*(.init))
    KEEP (*(.fini))
    KEEP (*(.tm_clone_table))
  } > ROM

  .data : {
    . = ALIGN(2);
    PROVIDE (__datastart = .);

    KEEP (*(.jcr))
    *(.data.rel.ro.local) *(.data.rel.ro*)
    *(.dynamic)

    *(.data .data.* .gnu.linkonce.d.*)
    KEEP (*(.gnu.linkonce.d.*personality*))
    SORT(CONSTRUCTORS)
    *(.data1)
    *(.got.plt) *(.got)

    /* We want the small data sections together, so single-instruction offsets
       can access them all, and initialized data all before uninitialized, so
       we can shorten the on-disk segment size.  */
    . = ALIGN(2);
    *(.sdata .sdata.* .gnu.linkonce.s.* D_2 D_1)

    . = ALIGN(2);
    _edata = .;
    PROVIDE (edata = .);
    PROVIDE (__dataend = .);
  } > RAM AT>ROM

  /* Note that crt0 assumes this is a multiple of two; all the
     start/stop symbols are also assumed word-aligned.  */
  PROVIDE(__romdatastart = LOADADDR(.data));
  PROVIDE (__romdatacopysize = SIZEOF(.data));

  .bss : {
    . = ALIGN(2);
    PROVIDE (__bssstart = .);
    *(.dynbss)
    *(.sbss .sbss.*)
    *(.bss .bss.* .gnu.linkonce.b.*)
    . = ALIGN(2);
    *(COMMON)
    PROVIDE (__bssend = .);
  } > RAM
  PROVIDE (__bsssize = SIZEOF(.bss));

  .noinit (NOLOAD) : {
    . = ALIGN(2);
    PROVIDE (__noinit_start = .);
    *(.noinit)
    . = ALIGN(2);
    PROVIDE (__noinit_end = .);
    end = .;
  } > RAM

  .stack (ORIGIN (RAM) + LENGTH(RAM)) :
  {
    PROVIDE (__stack = .);
    *(.stack)
  }

  .MP430.attributes 0 :
  {
    KEEP (*(.MSP430.attributes))
    KEEP (*(.gnu.attributes))
    KEEP (*(__TI_build_attributes))
  }

  /* The rest are all not normally part of the runtime image.  */

  /* Stabs debugging sections.  */
  .stab          0 : { *(.stab) }
  .stabstr       0 : { *(.stabstr) }
  .stab.excl     0 : { *(.stab.excl) }
  .stab.exclstr  0 : { *(.stab.exclstr) }
  .stab.index    0 : { *(.stab.index) }
  .stab.indexstr 0 : { *(.stab.indexstr) }
  .comment       0 : { *(.comment) }
  /* DWARF debug sections.
     Symbols in the DWARF debugging sections are relative to the beginning
     of the section so we begin them at 0.  */
  /* DWARF 1 */
  .debug          0 : { *(.debug) }
  .line           0 : { *(.line) }
  /* GNU DWARF 1 extensions */
  .debug_srcinfo  0 : { *(.debug_srcinfo) }
  .debug_sfnames  0 : { *(.debug_sfnames) }
  /* DWARF 1.1 and DWARF 2 */
  .debug_aranges  0 : { *(.debug_aranges) }
  .debug_pubnames 0 : { *(.debug_pubnames) }
  /* DWARF 2 */
  .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
  .debug_abbrev   0 : { *(.debug_abbrev) }
  .debug_line     0 : { *(.debug_line .debug_line.* .debug_line_end ) }
  .debug_frame    0 : { *(.debug_frame) }
  .debug_str      0 : { *(.debug_str) }
  .debug_loc      0 : { *(.debug_loc) }
  .debug_macinfo  0 : { *(.debug_macinfo) }
  /* SGI/MIPS DWARF 2 extensions */
  .debug_weaknames 0 : { *(.debug_weaknames) }
  .debug_funcnames 0 : { *(.debug_funcnames) }
  .debug_typenames 0 : { *(.debug_typenames) }
  .debug_varnames  0 : { *(.debug_varnames) }
  /DISCARD/ : { *(.note.GNU-stack) }
}