ENTRY(Reset_Handler)

MEMORY
{
FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 16K
RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 4K
}

_estack = ORIGIN(RAM) + LENGTH(RAM);

MIN_HEAP_SIZE = 0;
MIN_STACK_SIZE = 256;

SECTIONS
{
/* Interrupt vector table */
.isr_vector :
{
. = ALIGN(4);
KEEP(*(.isr_vector))
. = ALIGN(4);
} >FLASH

/* The program code and other data goes into FLASH */
.text :
{
. = ALIGN(4);
/* Code */
*(.text)
*(.text*)
/* Constants */
*(.rodata)
*(.rodata*)
/* ARM->Thumb and Thumb->ARM glue code */
*(.glue_7)
*(.glue_7t)
KEEP (*(.init))
KEEP (*(.fini))
. = ALIGN(4);
_etext = .;
} >FLASH

.ARM.extab :
{
*(.ARM.extab* .gnu.linkonce.armextab.*)
} >FLASH

.ARM :
{
__exidx_start = .;
*(.ARM.exidx*)
__exidx_end = .;
} >FLASH

.ARM.attributes :
{
*(.ARM.attributes)
} > FLASH

.preinit_array :
{
PROVIDE_HIDDEN (__preinit_array_start = .);
KEEP (*(.preinit_array*))
PROVIDE_HIDDEN (__preinit_array_end = .);
} >FLASH

.init_array :
{
PROVIDE_HIDDEN (__init_array_start = .);
KEEP (*(SORT(.init_array.*)))
KEEP (*(.init_array*))
PROVIDE_HIDDEN (__init_array_end = .);
} >FLASH

.fini_array :
{
PROVIDE_HIDDEN (__fini_array_start = .);
KEEP (*(.fini_array*))
KEEP (*(SORT(.fini_array.*)))
PROVIDE_HIDDEN (__fini_array_end = .);
} >FLASH

_sidata = .;

/* Initialized data */
.data : AT ( _sidata )
{
. = ALIGN(4);
_sdata = .; /* create a global symbol at data start */
*(.data)
*(.data*)

. = ALIGN(4);
_edata = .; /* define a global symbol at data end */
} >RAM

/* Uninitialized data */
. = ALIGN(4);
.bss :
{
/* This is used by the startup in order to initialize the .bss secion */
_sbss = .; /* define a global symbol at bss start */
__bss_start__ = _sbss;
*(.bss)
*(.bss*)
*(COMMON)

. = ALIGN(4);
_ebss = .; /* define a global symbol at bss end */
__bss_end__ = _ebss;
} >RAM

PROVIDE(end = _ebss);
PROVIDE(_end = _ebss);

/* User_heap_stack section, used to check that there is enough RAM left */
._user_heap_stack :
{
. = ALIGN(4);
. = . + MIN_HEAP_SIZE;
. = . + MIN_STACK_SIZE;
. = ALIGN(4);
} >RAM

/DISCARD/ :
{
libc.a(*)
libm.a(*)
libgcc.a(*)
}
}

extern uint8_t BufInput1[256]={0};
extern uint8_t BufInput2[256]={0};
extern uint8_t BufOutput1[256]={0};
extern uint8_t BufOutput2[256]={0};

/*
*****************************************************************************
**
** File : stm32_flash.ld
**
** Abstract : Linker script for STM32F100VB Device with
** 128KByte FLASH, 8KByte RAM
**
** Set heap size, stack size and stack location according
** to application requirements.
**
** Set memory bank area and size if external memory is used.
**
** Target : STMicroelectronics STM32
**
** Environment : Atollic TrueSTUDIO®
**
** Distribution: The file is distributed “as is,” without any warranty
** of any kind.
**
** ©Copyright Atollic AB.
** You may use this file as-is or modify it according to the needs of your
** project. Distribution of this file (unmodified or modified) is not
** permitted. Atollic AB permit registered Atollic TrueSTUDIO® users the
** rights to distribute the assembled, compiled & linked contents of this
** file as part of an application binary file, provided that it is built
** using the Atollic TrueSTUDIO® toolchain.
**
*****************************************************************************
*/

/* Entry Point */
ENTRY(Reset_Handler)

/* Highest address of the user mode stack */
_estack = 0x20001000; /* end of 8K RAM */

/* Generate a link error if heap and stack don't fit into RAM */
_Min_Heap_Size = 0; /* required amount of heap */
_Min_Stack_Size = 0x100; /* required amount of stack */

/* Specify the memory areas */
MEMORY
{
FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 16K
RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 4K
MEMORY_B1 (rx) : ORIGIN = 0x60000000, LENGTH = 0K
}

/* Define output sections */
SECTIONS
{
/* The startup code goes first into FLASH */
.isr_vector :
{
. = ALIGN(4);
KEEP(*(.isr_vector)) /* Startup code */
. = ALIGN(4);
} >FLASH

/* The program code and other data goes into FLASH */
.text :
{
. = ALIGN(4);
*(.text) /* .text sections (code) */
*(.text*) /* .text* sections (code) */
*(.rodata) /* .rodata sections (constants, strings, etc.) */
*(.rodata*) /* .rodata* sections (constants, strings, etc.) */
*(.glue_7) /* glue arm to thumb code */
*(.glue_7t) /* glue thumb to arm code */

KEEP (*(.init))
KEEP (*(.fini))

. = ALIGN(4);
_etext = .; /* define a global symbols at end of code */
} >FLASH


.ARM.extab : { *(.ARM.extab* .gnu.linkonce.armextab.*) } >FLASH
.ARM : {
__exidx_start = .;
*(.ARM.exidx*)
__exidx_end = .;
} >FLASH

.ARM.attributes : { *(.ARM.attributes) } > FLASH

.preinit_array :
{
PROVIDE_HIDDEN (__preinit_array_start = .);
KEEP (*(.preinit_array*))
PROVIDE_HIDDEN (__preinit_array_end = .);
} >FLASH
.init_array :
{
PROVIDE_HIDDEN (__init_array_start = .);
KEEP (*(SORT(.init_array.*)))
KEEP (*(.init_array*))
PROVIDE_HIDDEN (__init_array_end = .);
} >FLASH
.fini_array :
{
PROVIDE_HIDDEN (__fini_array_start = .);
KEEP (*(.fini_array*))
KEEP (*(SORT(.fini_array.*)))
PROVIDE_HIDDEN (__fini_array_end = .);
} >FLASH

/* used by the startup to initialize data */
_sidata = .;

/* Initialized data sections goes into RAM, load LMA copy after code */
.data : AT ( _sidata )
{
. = ALIGN(4);
_sdata = .; /* create a global symbol at data start */
*(.data) /* .data sections */
*(.data*) /* .data* sections */

. = ALIGN(4);
_edata = .; /* define a global symbol at data end */
} >RAM

/* Uninitialized data section */
. = ALIGN(4);
.bss :
{
/* This is used by the startup in order to initialize the .bss secion */
_sbss = .; /* define a global symbol at bss start */
__bss_start__ = _sbss;
*(.bss)
*(.bss*)
*(COMMON)

. = ALIGN(4);
_ebss = .; /* define a global symbol at bss end */
__bss_end__ = _ebss;
} >RAM

PROVIDE ( end = _ebss );
PROVIDE ( _end = _ebss );

/* User_heap_stack section, used to check that there is enough RAM left */
._user_heap_stack :
{
. = ALIGN(4);
. = . + _Min_Heap_Size;
. = . + _Min_Stack_Size;
. = ALIGN(4);
} >RAM

/* MEMORY_bank1 section, code must be located here explicitly */
/* Example: extern int foo(void) __attribute__ ((section (".mb1text"))); */
.memory_b1_text :
{
*(.mb1text) /* .mb1text sections (code) */
*(.mb1text*) /* .mb1text* sections (code) */
*(.mb1rodata) /* read-only data (constants) */
*(.mb1rodata*)
} >MEMORY_B1

/* Remove information from the standard libraries */
/DISCARD/ :
{
libc.a ( * )
libm.a ( * )
libgcc.a ( * )
}
}