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STM32L486XX.ld
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STM32L486XX.ld
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#if !defined(MBED_APP_START)
#define MBED_APP_START 0x08000000
#endif
#if !defined(MBED_APP_SIZE)
#define MBED_APP_SIZE 1024k
#endif
M_CRASH_DATA_RAM_SIZE = 0x100;
#if !defined(MBED_BOOT_STACK_SIZE)
#define MBED_BOOT_STACK_SIZE 0x400
#endif
STACK_SIZE = MBED_BOOT_STACK_SIZE;
/* Linker script to configure memory regions. */
MEMORY
{
FLASH (rx) : ORIGIN = MBED_APP_START, LENGTH = MBED_APP_SIZE
SRAM2 (rwx) : ORIGIN = 0x10000188, LENGTH = 32k - 0x188
SRAM1 (rwx) : ORIGIN = 0x20000000, LENGTH = 96k
}
/* Linker script to place sections and symbol values. Should be used together
* with other linker script that defines memory regions FLASH and RAM.
* It references following symbols, which must be defined in code:
* Reset_Handler : Entry of reset handler
*
* It defines following symbols, which code can use without definition:
* __exidx_start
* __exidx_end
* __etext
* __data_start__
* __preinit_array_start
* __preinit_array_end
* __init_array_start
* __init_array_end
* __fini_array_start
* __fini_array_end
* __data_end__
* __bss_start__
* __bss_end__
* __end__
* end
* __HeapLimit
* __StackLimit
* __StackTop
* __stack
* _estack
*/
ENTRY(Reset_Handler)
SECTIONS
{
.text :
{
KEEP(*(.isr_vector))
*(.text*)
KEEP(*(.init))
KEEP(*(.fini))
/* .ctors */
*crtbegin.o(.ctors)
*crtbegin?.o(.ctors)
*(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
*(SORT(.ctors.*))
*(.ctors)
/* .dtors */
*crtbegin.o(.dtors)
*crtbegin?.o(.dtors)
*(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
*(SORT(.dtors.*))
*(.dtors)
*(.rodata*)
KEEP(*(.eh_frame*))
} > FLASH
.ARM.extab :
{
*(.ARM.extab* .gnu.linkonce.armextab.*)
} > FLASH
__exidx_start = .;
.ARM.exidx :
{
*(.ARM.exidx* .gnu.linkonce.armexidx.*)
} > FLASH
__exidx_end = .;
__etext = .;
_sidata = .;
.crash_data_ram :
{
. = ALIGN(8);
__CRASH_DATA_RAM__ = .;
__CRASH_DATA_RAM_START__ = .; /* Create a global symbol at data start */
KEEP(*(.keep.crash_data_ram))
*(.m_crash_data_ram) /* This is a user defined section */
. += M_CRASH_DATA_RAM_SIZE;
. = ALIGN(8);
__CRASH_DATA_RAM_END__ = .; /* Define a global symbol at data end */
} > SRAM1
.data : AT (__etext)
{
__data_start__ = .;
_sdata = .;
*(vtable)
*(.data*)
. = ALIGN(8);
/* preinit data */
PROVIDE_HIDDEN (__preinit_array_start = .);
KEEP(*(.preinit_array))
PROVIDE_HIDDEN (__preinit_array_end = .);
. = ALIGN(8);
/* init data */
PROVIDE_HIDDEN (__init_array_start = .);
KEEP(*(SORT(.init_array.*)))
KEEP(*(.init_array))
PROVIDE_HIDDEN (__init_array_end = .);
. = ALIGN(8);
/* finit data */
PROVIDE_HIDDEN (__fini_array_start = .);
KEEP(*(SORT(.fini_array.*)))
KEEP(*(.fini_array))
PROVIDE_HIDDEN (__fini_array_end = .);
KEEP(*(.jcr*))
. = ALIGN(8);
/* All data end */
__data_end__ = .;
_edata = .;
} > SRAM1
.bss :
{
. = ALIGN(8);
__bss_start__ = .;
_sbss = .;
*(.bss*)
*(COMMON)
. = ALIGN(8);
__bss_end__ = .;
_ebss = .;
} > SRAM1
.heap (COPY):
{
__end__ = .;
end = __end__;
*(.heap*)
. += (ORIGIN(SRAM1) + LENGTH(SRAM1) - .);
__HeapLimit = .;
} > SRAM1
PROVIDE(__heap_size = SIZEOF(.heap));
PROVIDE(__mbed_sbrk_start = ADDR(.heap));
PROVIDE(__mbed_krbs_start = ADDR(.heap) + SIZEOF(.heap));
/* Check if data + heap exceeds RAM1 limit */
ASSERT((ORIGIN(SRAM1)+LENGTH(SRAM1)) >= __HeapLimit, "SRAM1 overflow")
/* .stack_dummy section doesn't contains any symbols. It is only
* used for linker to calculate size of stack sections, and assign
* values to stack symbols later */
.stack_dummy (COPY):
{
*(.stack*)
} > SRAM2
/* Set stack top to end of RAM, and stack limit move down by
* size of stack_dummy section */
__StackTop = ORIGIN(SRAM2) + LENGTH(SRAM2);
_estack = __StackTop;
__StackLimit = __StackTop - STACK_SIZE;
PROVIDE(__stack = __StackTop);
/* Check if stack exceeds RAM2 limit */
ASSERT((ORIGIN(SRAM2)+LENGTH(SRAM2)) >= __StackLimit, "SRAM2 overflow")
}