versions/v1_4_0/mynewt-core/hw/bsp/embarc_emsk/arc_core.ld

/* ------------------------------------------
 * Copyright (c) 2017, Synopsys, Inc. All rights reserved.

 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:

 * 1) Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.

 * 2) 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.

 * 3) Neither the name of the Synopsys, Inc., nor the names of its contributors may
 * be used to endorse or promote products derived from this software without
 * specific prior written permission.

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
--------------------------------------------- */
MEMORY
{
    ICCM : ORIGIN = 0x00000000, LENGTH = 0x40000
    DCCM : ORIGIN = 0x80000000, LENGTH = 0x40000
    DMP : ORIGIN = 0xf0000000, LENGTH = 0x10000000
}
ENTRY(_start)
SECTIONS
{
    .vector : ALIGN(1024)
    {
         _f_vector = .;
         *(.vector)
         _e_vector = .;
    } > ICCM

    __text = .;

    .init :
    {
        _f_init = .;
        KEEP (*(.init_vector))
        KEEP (*(.init_bootstrap))
        _e_init = .;
    } > ICCM

    .text : ALIGN(4)
    {
        _f_text = .;
        *(.text .text.* .gnu.linkonce.t.*)
        _e_text = .;
    } > ICCM

    __etext = .;

    .rodata : ALIGN(4)
    {
        _f_rodata = .;
        . = ALIGN(4);
        __CTOR_LIST__ = .;
        LONG((__CTOR_END__ - __CTOR_LIST__) / 4 - 2)
        KEEP(*(SORT_BY_NAME(".ctors*")))
        LONG(0)
        __CTOR_END__ = .;
        . = ALIGN(4);
        __init_array_start = .;
        KEEP(*(SORT_BY_NAME(".init_array*")))
        __init_array_end = .;
        . = ALIGN(4);
        __DTOR_LIST__ = .;
        LONG((__DTOR_END__ - __DTOR_LIST__) / 4 - 2)
        KEEP(*(SORT_BY_NAME(".dtors*")))
        LONG(0)
        __DTOR_END__ = .;
        *(.rodata .rodata.* .gnu.linkonce.r.*)
        _e_rodata = .;
    } > ICCM

    .data : ALIGN(4)
    {
        _ram_start = .;
        _f_data = .;
        *(.data .data.* .gnu.linkonce.d.*)
        _f_sdata = .;
        __SDATA_BEGIN__ = .;
        *(.sdata .sdata.* .gnu.linkonce.s.*)
        _e_sdata = .;
        _e_data = .;
    } > DCCM AT > ICCM

    .bss (NOLOAD) : ALIGN(8)
    {
        PROVIDE (__sbss_start = .);
        PROVIDE (___sbss_start = .);
        _f_bss = .;
        _f_sbss = .;
        *(.dynsbss)
        *(.sbss .sbss.* .gnu.linkonce.sb.*)
        *(.scommon)
        _e_sbss = .;
        PROVIDE (__sbss_end = .);
        PROVIDE (___sbss_end = .);
        *(.dynbss)
        *(.bss .bss.* .gnu.linkonce.b.*)
        *(COMMON)
        _e_bss = .;
    } > DCCM

    /* Allocate remaining RAM (RAM between _e_bss and __StackLimit to heap */
    . = ALIGN(8);
    __HeapBase = .;

    __StackTop = ORIGIN(DCCM) + LENGTH(DCCM);
    __StackLimit = __StackTop - 2048;
    _e_stack = __StackTop;

    /* Top of heap is the bottom of the stack */
    __HeapLimit = __StackLimit;

    _load_addr_text = LOADADDR(.text);
    _load_addr_rodata = LOADADDR(.rodata);
    _load_addr_data = LOADADDR(.data);
    _ram_start = _load_addr_data;
}