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

test -z "$ENTRY" && ENTRY=_start
cat <<EOF

/* 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