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/*
* This file contains GNU linker directives for an MCF5206eLITE
* evaluation board.
*
* Variations in memory size and allocation can be made by
* overriding some values with linker command-line arguments.
*
* Copyright (C) 2000 OKTET Ltd., St.-Petersburg, Russia
* Author: Victor V. Vengerov <vvv@oktet.ru>
*
* This file based on work:
* David Fiddes, D.J.Fiddes@hw.ac.uk
* http://www.calm.hw.ac.uk/davidf/coldfire/
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
*
* http://www.rtems.org/license/LICENSE.
*/
/*
* Declare some sizes.
* XXX: The assignment of ". += XyzSize;" fails in older gld's if the
* number used there is not constant. If this happens to you, edit
* the lines marked XXX below to use a constant value.
*/
/*
* Declare system clock frequency.
*/
_SYS_CLOCK_FREQUENCY = DEFINED(_SYS_CLOCK_FREQUENCY) ?
_SYS_CLOCK_FREQUENCY : 54000000;
/*
* Declare size of heap.
* A heap size of 0 means "Use all available memory for the heap".
* Initial stack located in on-chip SRAM and not declared there.
*/
HeapSize = DEFINED(HeapSize) ? HeapSize : 0x0;
RamBase = DEFINED(RamBase) ? RamBase : 0x30000000;
RamSize = DEFINED(RamSize) ? RamSize : 0x00100000;
RamEnd = RamBase + RamSize;
/*
* Setup the memory map of the MCF5206eLITE evaluation board
*
* The "rom" section is in USER Flash on the board
* The "ram" section is placed in USER RAM starting at 10000h
*
*/
MEMORY
{
ram : ORIGIN = 0x30000000, LENGTH = 0x00100000
rom : ORIGIN = 0xFFE20000, LENGTH = 128k
}
MBase = 0x10000000;
ENTRY(start)
STARTUP(start.o)
/* Interrupt Vector table located at start of external static RAM */
_VBR = 0x30000000;
SECTIONS
{
/*
* Dynamic RAM
*/
ram : {
RamBase = .;
RamBase = .;
/* Reserve space for interrupt table */
. += 0x400;
} >ram
/*
* Text, data and bss segments
*/
.text : {
CREATE_OBJECT_SYMBOLS
*(.text*)
/*
* C++ constructors/destructors
*/
*(.gnu.linkonce.t.*)
/*
* Initialization and finalization code.
*/
. = ALIGN (16);
PROVIDE (_init = .);
*crti.o(.init)
*(.init)
*crtn.o(.init)
. = ALIGN (16);
PROVIDE (_fini = .);
*crti.o(.fini)
*(.fini)
*crtn.o(.fini)
/*
* Special FreeBSD sysctl sections.
*/
. = ALIGN (16);
__start_set_sysctl_set = .;
*(set_sysctl_*);
__stop_set_sysctl_set = ABSOLUTE(.);
*(set_domain_*);
*(set_pseudo_*);
/*
* C++ constructors/destructors
*/
. = ALIGN (16);
*crtbegin.o(.ctors)
*(.ctors)
*crtend.o(.ctors)
*crtbegin.o(.dtors)
*(.dtors)
*crtend.o(.dtors)
/*
* Exception frame info
*/
. = ALIGN (16);
*(.eh_frame)
/*
* Read-only data
*/
. = ALIGN (16);
_rodata_start = .;
*(.rodata*)
KEEP (*(SORT(.rtemsroset.*)))
*(.gnu.linkonce.r*)
. = ALIGN (16);
PROVIDE (etext = .);
} > ram
.tdata : {
_TLS_Data_begin = .;
*(.tdata .tdata.* .gnu.linkonce.td.*)
_TLS_Data_end = .;
} >ram
.tbss : {
_TLS_BSS_begin = .;
*(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon)
_TLS_BSS_end = .;
} >ram
_TLS_Data_size = _TLS_Data_end - _TLS_Data_begin;
_TLS_Data_begin = _TLS_Data_size != 0 ? _TLS_Data_begin : _TLS_BSS_begin;
_TLS_Data_end = _TLS_Data_size != 0 ? _TLS_Data_end : _TLS_BSS_begin;
_TLS_BSS_size = _TLS_BSS_end - _TLS_BSS_begin;
_TLS_Size = _TLS_BSS_end - _TLS_Data_begin;
_TLS_Alignment = MAX (ALIGNOF (.tdata), ALIGNOF (.tbss));
.data BLOCK (0x4) : {
copy_start = .;
*(.shdata)
. = ALIGN (0x10);
*(.data*)
KEEP (*(SORT(.rtemsrwset.*)))
. = ALIGN (0x10);
*(.gcc_exc)
*(.gcc_except_table*)
*(.jcr)
. = ALIGN (0x10);
*(.gnu.linkonce.d*)
. = ALIGN (0x10);
_edata = .;
copy_end = .;
} > ram
.bss BLOCK (0x4) :
{
clear_start = . ;
*(.shbss)
*(.dynbss)
*(.bss* .gnu.linkonce.b.*)
*(COMMON)
. = ALIGN(0x10);
_end = .;
clear_end = .;
} > ram
.rtemsstack (NOLOAD) : {
*(SORT(.rtemsstack.*))
WorkAreaBase = .;
} > ram
.stab 0 (NOLOAD) :
{
*(.stab)
}
.stabstr 0 (NOLOAD) :
{
*(.stabstr)
}
}
|
