diff options
Diffstat (limited to 'bsps/m68k/csb360/start/linkcmds')
-rw-r--r-- | bsps/m68k/csb360/start/linkcmds | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/bsps/m68k/csb360/start/linkcmds b/bsps/m68k/csb360/start/linkcmds new file mode 100644 index 0000000000..09670c156d --- /dev/null +++ b/bsps/m68k/csb360/start/linkcmds @@ -0,0 +1,174 @@ +/* + * This file contains GNU linker directives for the Cogent + * CSB360 development board. + * + * Copyright (C) 2004 Cogent Computer Systems + * Author: Jay Monkman <jtm@lopingdog.com> + */ + +/* + * 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 : 0x00100000; +RamSize = DEFINED(RamSize) ? RamSize : 31M; + +/* This is needed for _CPU_ISR_install_vector - +* WARNING: it MUST match BSP_RAMBAR !!!!!!!!!!! */ +_VBR = 0x20000000; + +ENTRY(start) +STARTUP(start.o) + +/* + * Setup the memory map of the CSB360 board + * + * The "ram" section is placed in RAM after the space used by umon. + * + */ +MEMORY +{ + ram : ORIGIN = 0x00100000, LENGTH = 31M +} + +SECTIONS +{ + + /* + * Text, data and bss segments + */ + .text : + { + RamBase = .; + RamBase = .; + 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 : + { + 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 : + { + 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) + } + +} |