xref: /btstack/port/samv71-xplained-atwilc3000/ASF/sam/utils/linker_scripts/samv71/samv71q21/gcc/sram.ld (revision 1b2596b5303dd8caeea8565532c93cca8dab8cc4) 
1/**
2 * \file
3 *
4 * Copyright (c) 2015 Atmel Corporation. All rights reserved.
5 *
6 * \asf_license_start
7 *
8 * \page License
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions are met:
12 *
13 * 1. Redistributions of source code must retain the above copyright notice,
14 *    this list of conditions and the following disclaimer.
15 *
16 * 2. Redistributions in binary form must reproduce the above copyright notice,
17 *    this list of conditions and the following disclaimer in the documentation
18 *    and/or other materials provided with the distribution.
19 *
20 * 3. The name of Atmel may not be used to endorse or promote products derived
21 *    from this software without specific prior written permission.
22 *
23 * 4. This software may only be redistributed and used in connection with an
24 *    Atmel microcontroller product.
25 *
26 * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
27 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
28 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
29 * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
30 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
34 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
35 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 *
38 * \asf_license_stop
39 *
40 */
41
42/*------------------------------------------------------------------------------
43 *      Linker script for running in internal SRAM on the ATSAMV71Q21
44 *----------------------------------------------------------------------------*/
45
46OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
47OUTPUT_ARCH(arm)
48SEARCH_DIR(.)
49
50/* Memory Spaces Definitions */
51MEMORY
52{
53  rom (rx)  : ORIGIN = 0x00400000, LENGTH = 0x00200000
54  ram (rwx) : ORIGIN = 0x20400000, LENGTH = 0x00060000
55}
56
57/* The stack size used by the application. NOTE: you need to adjust according to your application. */
58STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : 0x2000;
59__ram_end__ = ORIGIN(ram) + LENGTH(ram) - 4;
60
61/* The heapsize used by the application. NOTE: you need to adjust according to your application. */
62HEAP_SIZE = DEFINED(HEAP_SIZE) ? HEAP_SIZE : 0x200;
63
64/* Section Definitions */
65SECTIONS
66{
67    .text :
68    {
69        . = ALIGN(4);
70        _sfixed = .;
71        KEEP(*(.vectors .vectors.*))
72        *(.text .text.* .gnu.linkonce.t.*)
73        *(.glue_7t) *(.glue_7)
74        *(.rodata .rodata* .gnu.linkonce.r.*)
75        *(.ARM.extab* .gnu.linkonce.armextab.*)
76
77        /* Support C constructors, and C destructors in both user code
78           and the C library. This also provides support for C++ code. */
79        . = ALIGN(4);
80        KEEP(*(.init))
81        . = ALIGN(4);
82        __preinit_array_start = .;
83        KEEP (*(.preinit_array))
84        __preinit_array_end = .;
85
86        . = ALIGN(4);
87        __init_array_start = .;
88        KEEP (*(SORT(.init_array.*)))
89        KEEP (*(.init_array))
90        __init_array_end = .;
91
92        . = ALIGN(0x4);
93        KEEP (*crtbegin.o(.ctors))
94        KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
95        KEEP (*(SORT(.ctors.*)))
96        KEEP (*crtend.o(.ctors))
97
98        . = ALIGN(4);
99        KEEP(*(.fini))
100
101        . = ALIGN(4);
102        __fini_array_start = .;
103        KEEP (*(.fini_array))
104        KEEP (*(SORT(.fini_array.*)))
105        __fini_array_end = .;
106
107        KEEP (*crtbegin.o(.dtors))
108        KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
109        KEEP (*(SORT(.dtors.*)))
110        KEEP (*crtend.o(.dtors))
111
112        . = ALIGN(4);
113        _efixed = .;            /* End of text section */
114    } > ram
115
116    . = ALIGN(8);
117    _etext = .;
118
119    .relocate : AT (_etext)
120    {
121        . = ALIGN(8);
122        _srelocate = .;
123        *(.ramfunc .ramfunc.*);
124        *(.data .data.*);
125        . = ALIGN(4);
126        _erelocate = .;
127    } > ram
128
129    /* .bss section which is used for uninitialized data */
130    .bss (NOLOAD) :
131    {
132        . = ALIGN(4);
133        _sbss = . ;
134        _szero = .;
135        *(.bss .bss.*)
136        *(COMMON)
137        . = ALIGN(4);
138        _ebss = . ;
139        _ezero = .;
140    } > ram
141
142    /* stack section */
143    .stack (NOLOAD):
144    {
145        . = ALIGN(8);
146        _sstack = .;
147        . = . + STACK_SIZE;
148        . = ALIGN(8);
149        _estack = .;
150    } > ram
151
152    /* heap section */
153    .heap (NOLOAD):
154    {
155        . = ALIGN(8);
156         _sheap = .;
157        . = . + HEAP_SIZE;
158        . = ALIGN(8);
159        _eheap = .;
160    } > ram
161
162    /* .ARM.exidx is sorted, so has to go in its own output section.  */
163    PROVIDE_HIDDEN (__exidx_start = .);
164    .ARM.exidx :
165    {
166      *(.ARM.exidx* .gnu.linkonce.armexidx.*)
167    } > ram
168    PROVIDE_HIDDEN (__exidx_end = .);
169
170    . = ALIGN(4);
171    _end = . ;
172    _ram_end_ = ORIGIN(ram) + LENGTH(ram) -1 ;
173}
174
175