178 lines
4.1 KiB
Plaintext
178 lines
4.1 KiB
Plaintext
ENTRY( _start )
|
|
|
|
/* Configure heap and stack space reserved for application.
|
|
* Too low may cause standard library failed,
|
|
* too high may cause SRAM overflow.
|
|
* Collision may occur with heap when stack gets too deep.
|
|
*/
|
|
__stack_size = 2048;
|
|
__heap_size = 2048;
|
|
|
|
MEMORY
|
|
{
|
|
FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 288K
|
|
RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 32K
|
|
}
|
|
|
|
|
|
SECTIONS
|
|
{
|
|
|
|
.init :
|
|
{
|
|
_sinit = .;
|
|
. = ALIGN(4);
|
|
KEEP(*(SORT_NONE(.init)))
|
|
. = ALIGN(4);
|
|
_einit = .;
|
|
} >FLASH
|
|
|
|
.vector :
|
|
{
|
|
*(.vector);
|
|
. = ALIGN(64);
|
|
} >FLASH
|
|
|
|
.text :
|
|
{
|
|
. = ALIGN(4);
|
|
*(.text)
|
|
*(.text.*)
|
|
*(.rodata)
|
|
*(.rodata*)
|
|
*(.glue_7)
|
|
*(.glue_7t)
|
|
*(.gnu.linkonce.t.*)
|
|
. = ALIGN(4);
|
|
} >FLASH
|
|
|
|
.fini :
|
|
{
|
|
KEEP(*(SORT_NONE(.fini)))
|
|
. = ALIGN(4);
|
|
} >FLASH
|
|
|
|
PROVIDE( _etext = . );
|
|
PROVIDE( _eitcm = . );
|
|
|
|
.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_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 = .);
|
|
} >FLASH
|
|
|
|
.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 = .);
|
|
} >FLASH
|
|
|
|
.ctors :
|
|
{
|
|
/* gcc uses crtbegin.o to find the start of
|
|
the constructors, so we make sure it is
|
|
first. Because this is a wildcard, it
|
|
doesn't matter if the user does not
|
|
actually link against crtbegin.o; the
|
|
linker won't look for a file to match a
|
|
wildcard. The wildcard also means that it
|
|
doesn't matter which directory crtbegin.o
|
|
is in.
|
|
*/
|
|
KEEP (*crtbegin.o(.ctors))
|
|
KEEP (*crtbegin?.o(.ctors))
|
|
/* We don't want to include the .ctor section from
|
|
the crtend.o file until after the sorted ctors.
|
|
The .ctor section from the crtend file contains the
|
|
end of ctors marker and it must be last
|
|
*/
|
|
KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors))
|
|
KEEP (*(SORT(.ctors.*)))
|
|
KEEP (*(.ctors))
|
|
} >FLASH
|
|
|
|
.dtors :
|
|
{
|
|
KEEP (*crtbegin.o(.dtors))
|
|
KEEP (*crtbegin?.o(.dtors))
|
|
KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors))
|
|
KEEP (*(SORT(.dtors.*)))
|
|
KEEP (*(.dtors))
|
|
} >FLASH
|
|
|
|
.dalign :
|
|
{
|
|
. = ALIGN(4);
|
|
PROVIDE(_data_vma = .);
|
|
} >RAM AT>FLASH
|
|
|
|
.dlalign :
|
|
{
|
|
. = ALIGN(4);
|
|
PROVIDE(_data_lma = .);
|
|
} >FLASH AT>FLASH
|
|
|
|
.data :
|
|
{
|
|
*(.gnu.linkonce.r.*)
|
|
*(.data .data.*)
|
|
*(.gnu.linkonce.d.*)
|
|
. = ALIGN(8);
|
|
PROVIDE( __global_pointer$ = . + 0x800 );
|
|
*(.sdata .sdata.*)
|
|
*(.sdata2.*)
|
|
*(.gnu.linkonce.s.*)
|
|
. = ALIGN(8);
|
|
*(.srodata.cst16)
|
|
*(.srodata.cst8)
|
|
*(.srodata.cst4)
|
|
*(.srodata.cst2)
|
|
*(.srodata .srodata.*)
|
|
. = ALIGN(4);
|
|
PROVIDE( _edata = .);
|
|
} >RAM AT>FLASH
|
|
|
|
.bss :
|
|
{
|
|
. = ALIGN(4);
|
|
PROVIDE( _sbss = .);
|
|
*(.sbss*)
|
|
*(.gnu.linkonce.sb.*)
|
|
*(.bss*)
|
|
*(.gnu.linkonce.b.*)
|
|
*(COMMON*)
|
|
. = ALIGN(4);
|
|
PROVIDE(_ebss = .);
|
|
} >RAM
|
|
|
|
.heap_stack :
|
|
{
|
|
. = ALIGN(8);
|
|
PROVIDE(_end = .);
|
|
PROVIDE(end = . );
|
|
|
|
. = . + __heap_size;
|
|
. = ALIGN(8);
|
|
PROVIDE(_heap_end = .);
|
|
|
|
. = . + __stack_size;
|
|
. = ALIGN(8);
|
|
} >RAM
|
|
|
|
|
|
/* Place initial SP to the end of SRAM */
|
|
__stack_top = ORIGIN(RAM) + LENGTH(RAM);
|
|
PROVIDE(_eusrstack = __stack_top);
|
|
}
|