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0949843d | 1 | # Linker Script for National Semiconductor's CR16C-ELF32. |
985743c7 | 2 | # |
219d1afa | 3 | # Copyright (C) 2014-2018 Free Software Foundation, Inc. |
6c19b93b | 4 | # |
985743c7 NC |
5 | # Copying and distribution of this file, with or without modification, |
6 | # are permitted in any medium without royalty provided the copyright | |
7 | # notice and this notice are preserved. | |
0949843d NC |
8 | |
9 | test -z "$ENTRY" && ENTRY=_start | |
10 | cat <<EOF | |
11 | ||
12 | /* Example Linker Script for linking NS CR16C or CR16CPlus | |
13 | elf32 files, which were compiled with either the near data | |
985743c7 NC |
14 | model or the default data model. |
15 | ||
219d1afa | 16 | Copyright (C) 2014-2018 Free Software Foundation, Inc. |
985743c7 NC |
17 | |
18 | Copying and distribution of this script, with or without modification, | |
19 | are permitted in any medium without royalty provided the copyright | |
20 | notice and this notice are preserved. */ | |
21 | ||
0949843d | 22 | |
ec2d9b29 | 23 | ${RELOCATING+ENTRY(${ENTRY})} |
0949843d NC |
24 | |
25 | MEMORY | |
26 | { | |
27 | near_rom : ORIGIN = 0x4, LENGTH = 512K - 4 | |
28 | near_ram : ORIGIN = 512K, LENGTH = 512K - 64K | |
6c19b93b AM |
29 | rom : ORIGIN = 1M, LENGTH = 3M |
30 | ram : ORIGIN = 4M, LENGTH = 10M | |
0949843d NC |
31 | } |
32 | ||
33 | SECTIONS | |
34 | { | |
35 | /* The heap is located in near memory, to suit both the near and | |
36 | default data models. The heap and stack are aligned to the bus | |
37 | width, as a speed optimization for accessing data located | |
38 | there. The alignment to 4 bytes is compatible for both the CR16C | |
39 | bus width (2 bytes) and CR16CPlus bus width (4 bytes). */ | |
40 | ||
6c19b93b | 41 | .text : { __TEXT_START = .; *(.text) __TEXT_END = .; } > rom |
7ba29e2a NC |
42 | .rdata : { __RDATA_START = .; *(.rdata_4) *(.rdata_2) *(.rdata_1) __RDATA_END = .; } > near_rom |
43 | .ctor ALIGN(4) : { __CTOR_LIST = .; *(.ctors) __CTOR_END = .; } > near_rom | |
44 | .dtor ALIGN(4) : { __DTOR_LIST = .; *(.dtors) __DTOR_END = .; } > near_rom | |
45 | .data : { __DATA_START = .; *(.data_4) *(.data_2) *(.data_1) *(.data) __DATA_END = .; } > ram AT > rom | |
46 | .bss (NOLOAD) : { __BSS_START = .; *(.bss_4) *(.bss_2) *(.bss_1) *(.bss) *(COMMON) __BSS_END = .; } > ram | |
47 | .nrdata : { __NRDATA_START = .; *(.nrdat_4) *(.nrdat_2) *(.nrdat_1) __NRDATA_END = .; } > near_rom | |
48 | .ndata : { __NDATA_START = .; *(.ndata_4) *(.ndata_2) *(.ndata_1) __NDATA_END = .; } > near_ram AT > rom | |
49 | .nbss (NOLOAD) : { __NBSS_START = .; *(.nbss_4) *(.nbss_2) *(.nbss_1) *(.ncommon) __NBSS_END = .; } > near_ram | |
50 | .heap (NOLOAD) : { . = ALIGN(4); __HEAP_START = .; . += 0x2000; __HEAP_MAX = .; } > near_ram | |
51 | .stack (NOLOAD) : { . = ALIGN(4); . += 0x6000; __STACK_START = .; } > ram | |
52 | .istack (NOLOAD) : { . = ALIGN(2); . += 0x100; __ISTACK_START = .; } > ram | |
0949843d NC |
53 | } |
54 | ||
55 | __DATA_IMAGE_START = LOADADDR(.data); | |
56 | __NDATA_IMAGE_START = LOADADDR(.ndata); | |
57 | ||
58 | EOF |