/* ---------------------------------------------------------------------------- */+
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/*                  Em::Blocks embedded development Support                     */+
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/* ---------------------------------------------------------------------------- */+
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/* Copyright (c) 2014, EmBlocks                                                 */+
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/*                                                                              */+
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/* 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 provided that the following condition is met:    */+
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/*                                                                              */+
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/* - Redistributions of source code must retain the above copyright notice,     */+
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/* this list of conditions and the disclaimer below.                            */+
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/*                                                                              */+
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/* EmBlocks's name may not be used to endorse or promote products derived from  */+
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/* this software without specific prior written permission.                     */+
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/*                                                                              */+
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/* DISCLAIMER:  THIS SOFTWARE IS PROVIDED BY EBLOCKS "AS IS" AND ANY EXPRESS OR */+
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/* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */+
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE   */+
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/* DISCLAIMED. IN NO EVENT SHALL EMBLOCKS BE LIABLE FOR ANY DIRECT, INDIRECT,   */+
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/* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT */+
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/* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,  */+
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/* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF    */+
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/* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING         */+
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/* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, */+
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/* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.                           */+
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/* ---------------------------------------------------------------------------- */+
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+
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/*------------------------------------------------------------------------------+
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 *      Linker script for running in internal FLASH on the STM32F401RE+
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 *----------------------------------------------------------------------------*/+
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+
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/* Entry Point */+
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ENTRY(Reset_Handler)+
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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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SEARCH_DIR(.)+
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+
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/* Memory Spaces Definitions */+
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MEMORY+
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{+
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    ROM  (rx) : ORIGIN = 0x08000000, LENGTH = 512K /* 80000 */+
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    RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 96K+
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}+
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/* Linker script to place sections and symbol values. Should be used together+
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 * with other linker script that defines memory regions FLASH and RAM.+
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 * It references following symbols, which must be defined in code:+
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 *   Reset_Handler : Entry of reset handler+
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 * +
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 * It defines following symbols, which code can use without definition:+
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 *   __exidx_start+
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 *   __exidx_end+
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 *   __etext+
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 *   __data_start__+
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 *   __preinit_array_start+
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 *   __preinit_array_end+
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 *   __init_array_start+
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 *   __init_array_end+
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 *   __fini_array_start+
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 *   __fini_array_end+
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 *   __data_end__+
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 *   __bss_start__+
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 *   __bss_end__+
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 *   __end__+
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 *   end+
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 *   __HeapLimit+
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 *   __StackLimit+
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 *   __StackTop+
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 *   __stack+
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 */+
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+
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+
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SECTIONS+
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{+
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  .isr_vector 0x08000000 :+
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  {+
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  . = ALIGN(4);+
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    KEEP( *(.isr_vector) ) +
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    KEEP(*(.init))+
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    KEEP(*(.fini))+
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  } >ROM+
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  +
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	/* Place FirmwareData at absolute address */+
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	.firmware_data 0x08005000:+
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	{+
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		cpu2_FirmwareData = 0; +
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		KEEP( *(.firmware_data) )+
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	} > ROM+
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+
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	.text 0x08005100 :+
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	{	+
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		. = ALIGN(4);+
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		*(.text)           /* .text sections (code) */+
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		*(.text*)+
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		*(.eh_frame*)+
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        . = ALIGN(4); +
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  +
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	} > ROM+
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+
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/********************** Constant data into ROM memory *********************/+
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  .rodata :+
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  {+
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    . = ALIGN(4);+
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    *(.rodata)         /* .rodata sections (constants, strings, etc.) */+
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    *(.rodata*)        /* .rodata* sections (constants, strings, etc.) */+
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    . = ALIGN(4);+
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  } >ROM+
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  +
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	.ARM.extab :+
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	{+
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		*(.ARM.extab* .gnu.linkonce.armextab.*)+
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	} > ROM+
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+
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	__exidx_start = .;+
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	.ARM.exidx :+
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	{+
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		*(.ARM.exidx* .gnu.linkonce.armexidx.*)+
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	} > ROM+
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	__exidx_end = .;+
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+
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  .preinit_array     :+
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  {+
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    . = ALIGN(4);+
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    PROVIDE_HIDDEN( __preinit_array_start = . );+
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    KEEP( *(.preinit_array*) )+
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    PROVIDE_HIDDEN( __preinit_array_end = . );+
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    . = ALIGN(4);+
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  } >ROM+
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  +
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  .init_array :+
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  {+
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    . = ALIGN(4);+
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    PROVIDE_HIDDEN( __init_array_start = . );+
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    KEEP( *(SORT(.init_array.*)) )+
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    KEEP( *(.init_array*) )+
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    PROVIDE_HIDDEN( __init_array_end = . );+
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    . = ALIGN(4);+
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  } >ROM+
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  +
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  .fini_array :+
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  {+
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    . = ALIGN(4);+
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    PROVIDE_HIDDEN( __fini_array_start = . );+
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    KEEP( *(SORT(.fini_array.*)) )+
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    KEEP( *(.fini_array*) )+
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    PROVIDE_HIDDEN( __fini_array_end = . );+
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    . = ALIGN(4);+
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    +
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    __etext = .;        /* define a global symbols at end of code */+
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  } >ROM+
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+
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 /* Used by the startup to initialize data */+
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 	_sidata = LOADADDR(.data);+
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+
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	.data : +
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	{+
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		. = ALIGN(4);+
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		__data_start__ = .;+
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		_sdata = .;        /* create a global symbol at data start */+
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    	*(.data)           /* .data sections */+
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		*(.data*)+
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		*(vtable)+
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		. = ALIGN(4);+
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		/* All data end */+
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		__data_end__ = .;+
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	} >RAM AT>ROM+
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+
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	.bss :+
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	{+
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		__bss_start__ = .;+
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		*(.bss*)+
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		*(COMMON)+
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		__bss_end__ = .;+
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	} >RAM+
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	+
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	.heap :+
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	{+
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		__end__ = .;+
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		end = __end__;+
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		*(.heap*)+
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		__HeapLimit = .;+
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	} > RAM+
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	+
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	/* .noinit section contains data which will not be change during startup */+
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   .noinit  :+
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   {+
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     . = ALIGN(4);+
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     *(.noinit*)+
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     _end = . ;+
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   }  > RAM+
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  +
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	/* .stack_dummy section doesn't contains any symbols. It is only+
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	 * used for linker to calculate size of stack sections, and assign+
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	 * values to stack symbols later */+
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	.stack_dummy :+
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	{+
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		*(.stack)+
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	} > RAM+
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+
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	/* Set stack top to end of RAM, and stack limit move down by+
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	 * size of stack_dummy section */+
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	__StackTop = ORIGIN(RAM) + LENGTH(RAM);+
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	__StackLimit = __StackTop - SIZEOF(.stack_dummy);+
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	PROVIDE(__stack = __StackTop);+
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	+
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	/* Check if data + heap + stack exceeds RAM limit */+
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	ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")+
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}+
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