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|
/* Entry Point */
|
|
|
ENTRY(Reset_Handler)
|
|
|
|
|
|
/* Highest address of the user mode stack */
|
|
|
_estack = 0x20020000; /* end of 128K RAM on AHB bus*/
|
|
|
|
|
|
/* Generate a link error if heap and stack don't fit into RAM */
|
|
|
_Min_Heap_Size = 0x2000; /* required amount of heap */
|
|
|
_Min_Stack_Size = 0x2000; /* required amount of stack */
|
|
|
|
|
|
/* Specify the memory areas */
|
|
|
MEMORY
|
|
|
{
|
|
|
FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 2048k
|
|
|
RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 112k
|
|
|
ETHRAM (xrw) : ORIGIN = 0x2001C000, LENGTH = 16k
|
|
|
AUXRAM (xrw) : ORIGIN = 0x20020000, LENGTH = 64k
|
|
|
CCMRAM (xrw) : ORIGIN = 0x10000000, LENGTH = 64k
|
|
|
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 */
|
|
|
*(.eh_frame)
|
|
|
|
|
|
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
|
|
|
|
|
|
.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
|
|
|
|
|
|
/* User_heap_stack section, used to check that there is enough RAM left */
|
|
|
._user_heap_stack :
|
|
|
{
|
|
|
. = ALIGN(4);
|
|
|
PROVIDE ( end = . );
|
|
|
PROVIDE ( _end = . );
|
|
|
. = . + _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 ( * )
|
|
|
}
|
|
|
|
|
|
.ARM.attributes 0 : { *(.ARM.attributes) }
|
|
|
}
|
|
|
|
