150 lines
3.2 KiB
Plaintext
150 lines
3.2 KiB
Plaintext
ENTRY( _start )
|
|
|
|
/* Configure heap and stack space reserved for application.
|
|
* Too low may cause standard library failed,
|
|
* too high may cause SDRAM overflow.
|
|
* Collision may occur with heap when stack gets too deep.
|
|
*/
|
|
__stack_size = 32768;
|
|
__heap_size = 32768;
|
|
|
|
MEMORY
|
|
{
|
|
SRAM (xrw) : ORIGIN = 0x00020000, LENGTH = 8k
|
|
SDRAM (xrw) : ORIGIN = 0x4f800000, LENGTH = 8M
|
|
}
|
|
|
|
SECTIONS
|
|
{
|
|
.resource_table :
|
|
{
|
|
. = ALIGN(8);
|
|
KEEP(*(SORT_NONE(.resource_table)))
|
|
. = ALIGN(8);
|
|
} >SDRAM
|
|
|
|
.init :
|
|
{
|
|
. = ALIGN(8);
|
|
KEEP(*(SORT_NONE(.init)))
|
|
. = ALIGN(8);
|
|
} >SDRAM
|
|
|
|
.vectors :
|
|
{
|
|
. = ALIGN(8);
|
|
KEEP(*(SORT_NONE(.vectors)))
|
|
. = ALIGN(8);
|
|
} >SDRAM
|
|
|
|
.text :
|
|
{
|
|
. = ALIGN(8);
|
|
_stext = .;
|
|
|
|
*(.text)
|
|
*(.text.*)
|
|
*(.gnu.linkonce.t.*)
|
|
*(.rodata)
|
|
*(.rodata*)
|
|
*(.gnu.linkonce.r.*)
|
|
|
|
. = ALIGN(8);
|
|
_etext = .;
|
|
} >SDRAM
|
|
|
|
.preinit_array :
|
|
{
|
|
PROVIDE_HIDDEN (__preinit_array_start = .);
|
|
KEEP (*(.preinit_array))
|
|
PROVIDE_HIDDEN (__preinit_array_end = .);
|
|
} >SDRAM
|
|
|
|
.init_array :
|
|
{
|
|
PROVIDE_HIDDEN (__init_array_start = .);
|
|
KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*)))
|
|
KEEP (*(.init_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .ctors))
|
|
PROVIDE_HIDDEN (__init_array_end = .);
|
|
} >SDRAM
|
|
|
|
.fini_array :
|
|
{
|
|
PROVIDE_HIDDEN (__fini_array_start = .);
|
|
KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*) SORT_BY_INIT_PRIORITY(.dtors.*)))
|
|
KEEP (*(.fini_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .dtors))
|
|
PROVIDE_HIDDEN (__fini_array_end = .);
|
|
} >SDRAM
|
|
|
|
.ctors :
|
|
{
|
|
KEEP (*crtbegin.o(.ctors))
|
|
KEEP (*crtbegin?.o(.ctors))
|
|
KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors))
|
|
KEEP (*(SORT(.ctors.*)))
|
|
KEEP (*(.ctors))
|
|
} >SDRAM
|
|
|
|
.dtors :
|
|
{
|
|
KEEP (*crtbegin.o(.dtors))
|
|
KEEP (*crtbegin?.o(.dtors))
|
|
KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors))
|
|
KEEP (*(SORT(.dtors.*)))
|
|
KEEP (*(.dtors))
|
|
} >SDRAM
|
|
|
|
.data :
|
|
{
|
|
. = ALIGN(8);
|
|
_sdata = .;
|
|
|
|
*(.data .data.*)
|
|
*(.gnu.linkonce.d.*)
|
|
*(.sdata .sdata.*)
|
|
*(.srodata .srodata.*)
|
|
*(.gnu.linkonce.s.*)
|
|
|
|
. = ALIGN(8);
|
|
_edata = .;
|
|
} >SDRAM
|
|
|
|
. = ALIGN(16);
|
|
PROVIDE( __global_pointer$ = . );
|
|
|
|
.bss :
|
|
{
|
|
. = ALIGN(8);
|
|
_sbss = .;
|
|
|
|
*(.sbss)
|
|
*(.sbss.*)
|
|
*(.gnu.linkonce.sb.*)
|
|
*(.bss)
|
|
*(.bss.*)
|
|
*(.gnu.linkonce.b.*)
|
|
*(COMMON)
|
|
|
|
. = ALIGN(8);
|
|
_ebss = .;
|
|
} >SDRAM
|
|
|
|
.heap_stack :
|
|
{
|
|
. = ALIGN(16);
|
|
_end = .;
|
|
PROVIDE(end = . );
|
|
|
|
. = . + __heap_size;
|
|
. = ALIGN(16);
|
|
PROVIDE(_heap_end = .);
|
|
|
|
. = . + __stack_size;
|
|
. = ALIGN(16);
|
|
} >SDRAM
|
|
|
|
/* Place initial SP to the end of SDRAM */
|
|
__stack_top = ORIGIN(SDRAM) + LENGTH(SDRAM);
|
|
__freertos_irq_stack_top = __stack_top;
|
|
}
|