3e193cca2c
Stack now starts at the top of RAM, heap starts after BSS, and they grow towards each other.
108 lines
3.6 KiB
Text
108 lines
3.6 KiB
Text
/**
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* Copyright (c) 2014, Analog Devices, Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted (subject to the limitations in the
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* disclaimer below) provided that the following conditions are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the
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* distribution.
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*
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* - Neither the name of Analog Devices, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE
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* GRANTED BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT
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* HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
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OUTPUT_ARCH(arm)
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ENTRY(Reset_Handler)
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MEMORY
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{
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flash (rx) : org = 0x00000000, len = 128k
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ram (rwx) : org = 0x20000000, len = 16k
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}
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SECTIONS
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{
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.vectors : {
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__vectors_start = .;
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KEEP(*(.vectors))
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. = ALIGN(4);
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} >flash
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.text : {
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. = ALIGN(4);
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*(.text)
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*(.text.*)
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etext = .;
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} >flash
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.ARM.ex : {
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*(.ARM.extab* .gnu.linkonce.armextab.*)
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__exidx_start = .;
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*(.ARM.exidx* .gnu.linkonce.armexidx.*)
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__exidx_end = .;
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} >flash
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.rodata : {
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. = ALIGN(4);
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*(.rodata)
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*(.rodata.*)
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. = ALIGN(4);
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__rodata_end = .;
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} >flash
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.data : {
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/* Initialized data is placed in flash, and will get
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copied to RAM by crt0.S */
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. = ALIGN(4);
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__data_flash_start = LOADADDR(.data);
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__data_start = .;
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*(.data)
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*(.data.*)
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/* Code that goes into RAM also ends up here, and
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gets copied along with the data section. */
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*(.ramtext*)
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__data_end = .;
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edata = .;
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} > ram AT > flash
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.bss : {
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. = ALIGN(8);
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__bss_start = .;
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*(.bss)
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*(.bss.*)
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*(COMMON)
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. = ALIGN(4);
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__bss_end = .;
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end = .;
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} > ram
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/* Heap grows up from "end" (after bss), and stack grows down from
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the end of RAM. */
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. = ORIGIN(ram) + LENGTH(ram);
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stack_end = .;
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}
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