| Harald Welte | d8a003d | 2017-02-27 20:31:09 +0100 | [diff] [blame] | 1 | /* ---------------------------------------------------------------------------- |
| 2 | * ATMEL Microcontroller Software Support |
| 3 | * ---------------------------------------------------------------------------- |
| 4 | * Copyright (c) 2009, Atmel Corporation |
| 5 | * |
| 6 | * All rights reserved. |
| 7 | * |
| 8 | * Redistribution and use in source and binary forms, with or without |
| 9 | * modification, are permitted provided that the following conditions are met: |
| 10 | * |
| 11 | * - Redistributions of source code must retain the above copyright notice, |
| 12 | * this list of conditions and the disclaimer below. |
| 13 | * |
| 14 | * Atmel's name may not be used to endorse or promote products derived from |
| 15 | * this software without specific prior written permission. |
| 16 | * |
| 17 | * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR |
| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 19 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE |
| 20 | * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, |
| 23 | * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| 24 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| 25 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, |
| 26 | * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | * ---------------------------------------------------------------------------- |
| 28 | */ |
| 29 | |
| 30 | /*------------------------------------------------------------------------------ |
| 31 | * Linker script for running in internal FLASH on the ATSAM3S4 |
| 32 | *----------------------------------------------------------------------------*/ |
| 33 | |
| 34 | OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") |
| 35 | OUTPUT_ARCH(arm) |
| 36 | SEARCH_DIR(.) |
| 37 | |
| 38 | /* Memory Spaces Definitions */ |
| 39 | MEMORY |
| 40 | { |
| Harald Welte | adba0ce | 2017-02-28 01:02:24 +0100 | [diff] [blame] | 41 | /* reserve the first 16k (= 0x4000) for the DFU bootloader */ |
| Harald Welte | d8a003d | 2017-02-27 20:31:09 +0100 | [diff] [blame] | 42 | rom (rx) : ORIGIN = 0x00404000, LENGTH = 0x0003c000 /* flash, 256K */ |
| Harald Welte | adba0ce | 2017-02-28 01:02:24 +0100 | [diff] [blame] | 43 | /* reserve the first 32 (= 0x20) bytes for the _g_dfu struct */ |
| 44 | ram (rwx) : ORIGIN = 0x20000020, LENGTH = 0x0000bfe0 /* sram, 48K */ |
| Harald Welte | d8a003d | 2017-02-27 20:31:09 +0100 | [diff] [blame] | 45 | } |
| 46 | |
| 47 | /* Section Definitions */ |
| 48 | SECTIONS |
| 49 | { |
| 50 | .text : |
| 51 | { |
| 52 | . = ALIGN(4); |
| 53 | _sfixed = .; |
| 54 | KEEP(*(.vectors .vectors.*)) |
| 55 | *(.text .text.* .gnu.linkonce.t.*) |
| 56 | *(.glue_7t) *(.glue_7) |
| 57 | *(.rodata .rodata* .gnu.linkonce.r.*) |
| 58 | *(.ARM.extab* .gnu.linkonce.armextab.*) |
| 59 | |
| 60 | /* Support C constructors, and C destructors in both user code |
| 61 | and the C library. This also provides support for C++ code. */ |
| 62 | . = ALIGN(4); |
| 63 | KEEP(*(.init)) |
| 64 | . = ALIGN(4); |
| 65 | __preinit_array_start = .; |
| 66 | KEEP (*(.preinit_array)) |
| 67 | __preinit_array_end = .; |
| 68 | |
| 69 | . = ALIGN(4); |
| 70 | __init_array_start = .; |
| 71 | KEEP (*(SORT(.init_array.*))) |
| 72 | KEEP (*(.init_array)) |
| 73 | __init_array_end = .; |
| 74 | |
| 75 | . = ALIGN(0x4); |
| 76 | KEEP (*crtbegin.o(.ctors)) |
| 77 | KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors)) |
| 78 | KEEP (*(SORT(.ctors.*))) |
| 79 | KEEP (*crtend.o(.ctors)) |
| 80 | |
| 81 | . = ALIGN(4); |
| 82 | KEEP(*(.fini)) |
| 83 | |
| 84 | . = ALIGN(4); |
| 85 | __fini_array_start = .; |
| 86 | KEEP (*(.fini_array)) |
| 87 | KEEP (*(SORT(.fini_array.*))) |
| 88 | __fini_array_end = .; |
| 89 | |
| 90 | KEEP (*crtbegin.o(.dtors)) |
| 91 | KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors)) |
| 92 | KEEP (*(SORT(.dtors.*))) |
| 93 | KEEP (*crtend.o(.dtors)) |
| 94 | |
| 95 | . = ALIGN(4); |
| 96 | _efixed = .; /* End of text section */ |
| 97 | } > rom |
| 98 | |
| 99 | /* .ARM.exidx is sorted, so has to go in its own output section. */ |
| 100 | PROVIDE_HIDDEN (__exidx_start = .); |
| 101 | .ARM.exidx : |
| 102 | { |
| 103 | *(.ARM.exidx* .gnu.linkonce.armexidx.*) |
| 104 | } > rom |
| 105 | PROVIDE_HIDDEN (__exidx_end = .); |
| 106 | |
| 107 | . = ALIGN(4); |
| 108 | _etext = .; |
| 109 | |
| 110 | .relocate : AT (_etext) |
| 111 | { |
| 112 | . = ALIGN(4); |
| 113 | _srelocate = .; |
| 114 | *(.ramfunc .ramfunc.*); |
| 115 | *(.data .data.*); |
| 116 | . = ALIGN(4); |
| 117 | _erelocate = .; |
| 118 | } > ram |
| 119 | |
| 120 | /* .bss section which is used for uninitialized data */ |
| 121 | .bss (NOLOAD) : |
| 122 | { |
| 123 | . = ALIGN(4); |
| 124 | _sbss = . ; |
| 125 | _szero = .; |
| 126 | *(.bss .bss.*) |
| 127 | *(COMMON) |
| 128 | . = ALIGN(4); |
| 129 | _ebss = . ; |
| 130 | _ezero = .; |
| 131 | } > ram |
| 132 | |
| 133 | /* stack section */ |
| 134 | .stack (NOLOAD): |
| 135 | { |
| 136 | . = ALIGN(8); |
| 137 | *(.stack .stack.*) |
| 138 | } > ram |
| 139 | |
| 140 | . = ALIGN(4); |
| 141 | _end = . ; |
| 142 | } |