Ai-Thinker-Open_RTL8710BX_A.../Living_SDK/board/mx1270/gcc.ld
2020-06-18 22:04:32 +08:00

165 lines
4 KiB
Text

/*
*****************************************************************************
*/
/* Entry Point */
ENTRY(Reset_Handler)
/* Highest address of the user mode stack */
_estack = 0x08040000; /* end of RAM */
/* Generate a link error if heap and stack don't fit into RAM */
_Min_Heap_Size = 0x10000; /* required amount of heap */
_Min_Stack_Size = 0x2000; /* required amount of stack */
/* Specify the memory areas */
MEMORY
{
FLASH (xr) : ORIGIN = 0x00040000, LENGTH = 1024K
RAM(rw) : ORIGIN = 0x08000000, LENGTH = 256K
SHARED_MEMORY(rw) : ORIGIN = 0x60000000, LENGTH = 128K
}
/* Define output sections */
SECTIONS
{
/* The startup code goes first into FLASH */
.isr_vector :
{
. = ALIGN(4);
KEEP(*(.isr_vector)) /* Startup code */
. = 0xA0;
} >FLASH
.app_version_sec :
{
KEEP(*(app_version_sec))
. = ALIGN(0x10);
} >FLASH
/* The program code and other data goes into FLASH */
.text :
{
. = ALIGN(4);
*(.text) /* .text sections (code) */
*(.text*) /* .text* sections (code) */
*(.eh_frame)
KEEP (*(.init))
KEEP (*(.fini))
. = ALIGN(4);
_etext = .; /* define a global symbols at end of code */
} >FLASH
/* Constant data goes into FLASH */
.rodata :
{
. = ALIGN(4);
*(.rodata) /* .rodata sections (constants, strings, etc.) */
*(.rodata*) /* .rodata* sections (constants, strings, etc.) */
. = ALIGN(4);
} >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 (*(SORT(.fini_array.*)))
KEEP (*(.fini_array*))
PROVIDE_HIDDEN (__fini_array_end = .);
} >FLASH
/* used by the startup to initialize data */
_sidata = LOADADDR(.data);
/* Initialized data sections goes into RAM, load LMA copy after code */
.data :
{
. = ALIGN(4);
_sdata = .; /* create a global symbol at data start */
*(.data) /* .data sections */
*(.data*) /* .data* sections */
. = ALIGN(4);
*(seg_flash_driver);
. = ALIGN(4);
_edata = .; /* define a global symbol at data end */
} >RAM AT>FLASH
/* shared RAM */
SHAREDRAM ORIGIN(SHARED_MEMORY):
{
. = ALIGN(4);
*ipc_shared.o(COMMON)
*hal_desc.o(COMMON)
*txl_buffer_shared.o(COMMON)
*txl_frame_shared.o(COMMON)
*scan_shared.o(COMMON)
*scanu_shared.o(COMMON)
. = ALIGN(4);
} >SHARED_MEMORY AT>FLASH
/* 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
/* Remove information from the standard libraries */
/DISCARD/ :
{
libc.a ( * )
libm.a ( * )
libgcc.a ( * )
}
/* User_heap_stack section, used to check that there is enough RAM left */
. = ALIGN(8);
PROVIDE ( end = . );
PROVIDE ( _end = . );
/* system stack */
PROVIDE (_stack_base = _estack - _Min_Stack_Size); /* _estack is top of stack*/
ASSERT ((_stack_base > end), "Error: No room left for the stack")
/* _estack is top of stack*/
/* left ram for heap */
PROVIDE (heap_start = _end);
PROVIDE (heap_end = _stack_base);
PROVIDE (heap_len = heap_end - heap_start);
ASSERT ((heap_len > _Min_Heap_Size), "Error: No room left for the heap")
.ARM.attributes 0 : { *(.ARM.attributes) }
}