diff options
Diffstat (limited to 'bsps/m68k/mcf5206elite/start/linkcmds.flash')
| -rw-r--r-- | bsps/m68k/mcf5206elite/start/linkcmds.flash | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/bsps/m68k/mcf5206elite/start/linkcmds.flash b/bsps/m68k/mcf5206elite/start/linkcmds.flash new file mode 100644 index 0000000000..8d429ab209 --- /dev/null +++ b/bsps/m68k/mcf5206elite/start/linkcmds.flash @@ -0,0 +1,207 @@ +/* + * 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 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; + +/* + * Declare system clock frequency. + */ +_SYS_CLOCK_FREQUENCY = DEFINED(_SYS_CLOCK_FREQUENCY) ? _SYS_CLOCK_FREQUENCY : 54000000; + +/* + * 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 = 0xFFE00000, LENGTH = 0x00100000 +} + +MBase = 0x10000000; + +ENTRY(start) +STARTUP(start.o) + +/* Interrupt Vector table located at start of external static RAM */ +_VBR = 0x30000000; + +SECTIONS +{ + /* + * Flash ROM + */ + rom : { + _RomBase = .; + } >rom + + /* + * Dynamic RAM + */ + ram : { + RamBase = .; + RamBase = .; + } >ram + + /* + * Text, data and bss segments + */ + .text : AT(0x30020000) { + 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 = .); + + } >rom + + .tdata : { + _TLS_Data_begin = .; + *(.tdata .tdata.* .gnu.linkonce.td.*) + _TLS_Data_end = .; + } >rom + + .tbss : { + _TLS_BSS_begin = .; + *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) + _TLS_BSS_end = .; + } >rom + + _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 0x30000400 : AT(LOADADDR(.text) + SIZEOF(.text)) { + copy_start = .; + . = ALIGN (0x10); + *(.shdata) + . = ALIGN (0x10); + *(.data) + KEEP (*(SORT(.rtemsrwset.*))) + . = ALIGN (0x10); + *(.gcc_exc) + *(.gcc_except_table*) + . = 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 = .; + + WorkAreaBase = .; + WorkAreaBase = .; + + } > ram + + .stab 0 (NOLOAD) : + { + *(.stab) + } + + .stabstr 0 (NOLOAD) : + { + *(.stabstr) + } + +} |