Subversion Repositories open8_urisc

# Linker Script for National Semiconductor's CR16C-ELF32.

test -z "$ENTRY" && ENTRY=_start

cat <

/* Example Linker Script for linking NS CR16C or CR16CPlus

   elf32 files, which were compiled with either the near data

   model or the default data model.  */

${RELOCATING+ENTRY(${ENTRY})}

MEMORY

{

  near_rom  : ORIGIN = 0x4,     LENGTH = 512K - 4

  near_ram  : ORIGIN = 512K,    LENGTH = 512K - 64K

  rom       : ORIGIN = 1M,      LENGTH = 3M

  ram       : ORIGIN = 4M,      LENGTH = 10M

}

SECTIONS

{

/* The heap is located in near memory, to suit both the near and

   default data models.  The heap and stack are aligned to the bus

   width, as a speed optimization for accessing  data located

   there. The alignment to 4 bytes is compatible for both the CR16C

   bus width (2 bytes) and CR16CPlus bus width (4 bytes).  */

  .text            : { __TEXT_START = .;   *(.text)                                        __TEXT_END = .; } > rom

  .rdata           : { __RDATA_START = .;  *(.rdata_4) *(.rdata_2) *(.rdata_1)             __RDATA_END = .; } > near_rom

  .ctor ALIGN(4)   : { __CTOR_LIST = .;    *(.ctors)                                       __CTOR_END = .; } > near_rom

  .dtor ALIGN(4)   : { __DTOR_LIST = .;    *(.dtors)                                       __DTOR_END = .; } > near_rom

  .data            : { __DATA_START = .;   *(.data_4) *(.data_2) *(.data_1) *(.data)       __DATA_END = .; } > ram AT > rom

  .bss (NOLOAD)    : { __BSS_START = .;    *(.bss_4) *(.bss_2) *(.bss_1) *(.bss) *(COMMON) __BSS_END = .; } > ram

  .nrdata          : { __NRDATA_START = .; *(.nrdat_4) *(.nrdat_2) *(.nrdat_1)             __NRDATA_END =  .; } > near_rom

  .ndata           : { __NDATA_START = .;  *(.ndata_4) *(.ndata_2) *(.ndata_1)             __NDATA_END = .; } > near_ram AT > rom

  .nbss (NOLOAD)   : { __NBSS_START = .;   *(.nbss_4) *(.nbss_2) *(.nbss_1) *(.ncommon)    __NBSS_END = .; } > near_ram

  .heap (NOLOAD)   : { . = ALIGN(4); __HEAP_START = .; . += 0x2000;                        __HEAP_MAX = .; } > near_ram

  .stack (NOLOAD)  : { . = ALIGN(4); . += 0x6000; __STACK_START = .; } > ram

  .istack (NOLOAD) : { . = ALIGN(2); . += 0x100; __ISTACK_START = .; } > ram

}

__DATA_IMAGE_START = LOADADDR(.data);

__NDATA_IMAGE_START = LOADADDR(.ndata);

EOF