MEMORY { MFLASH (rx) : ORIGIN = 0x00000000, LENGTH = 64K BFLASH (rx) : ORIGIN = 0x00000000, LENGTH = 3K RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 16K } /* Aliases */ REGION_ALIAS("CODE_FLASH", MFLASH); /* Replace this with BFLASH for bootloader */ REGION_ALIAS("DATA_RAM", RAM); REGION_ALIAS("HEAP_RAM", RAM); REGION_ALIAS("STACK_RAM", RAM); REGION_ALIAS("BSS_RAM", RAM); 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*)) } > CODE_FLASH .ARM.extab : { *(.ARM.extab* .gnu.linkonce.armextab.*) } > CODE_FLASH __exidx_start = .; .ARM.exidx : { *(.ARM.exidx* .gnu.linkonce.armexidx.*) } > CODE_FLASH __exidx_end = .; .copy.table : { . = ALIGN(4); __textdata_start__ = LOADADDR(.data); __copy_table_start__ = .; LONG (__textdata_start__) LONG (__data_start__) LONG (__data_end__ - __data_start__) __copy_table_end__ = .; } > CODE_FLASH .zero.table : { . = ALIGN(4); __zero_table_start__ = .; LONG (__bss_start__) LONG (__bss_end__ - __bss_start__) __zero_table_end__ = .; } > CODE_FLASH . = ALIGN(4); .data : { __data_start__ = .; *(vtable) *(.data*) *(.ramfunc*) . = ALIGN(4); /* preinit data */ PROVIDE_HIDDEN (__preinit_array_start = .); KEEP(*(.preinit_array)) PROVIDE_HIDDEN (__preinit_array_end = .); . = ALIGN(4); /* init data */ PROVIDE_HIDDEN (__init_array_start = .); KEEP(*(SORT(.init_array.*))) KEEP(*(.init_array)) PROVIDE_HIDDEN (__init_array_end = .); . = ALIGN(4); /* finit data */ PROVIDE_HIDDEN (__fini_array_start = .); KEEP(*(SORT(.fini_array.*))) KEEP(*(.fini_array)) PROVIDE_HIDDEN (__fini_array_end = .); KEEP(*(.jcr*)) . = ALIGN(4); /* All data end */ __data_end__ = .; } > DATA_RAM AT > CODE_FLASH .bss : { . = ALIGN(4); __bss_start__ = .; *(.bss*) *(COMMON) . = ALIGN(4); __bss_end__ = .; } > BSS_RAM .heap (COPY): { __end__ = .; PROVIDE(end = .); *(.heap*) __HeapLimit = .; } > HEAP_RAM /DISCARD/ : { libc.a ( * ) libm.a ( * ) libgcc.a ( * ) } /* .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*) } > STACK_RAM /* Set stack top to end of STACK_RAM, and stack limit move down by * size of stack_dummy section */ __StackTop = ORIGIN(STACK_RAM) + LENGTH(STACK_RAM); __StackLimit = __StackTop - SIZEOF(.stack_dummy); PROVIDE(__stack = __StackTop); /* Check if data + heap + stack exceeds STACK_RAM limit */ ASSERT(__StackLimit >= __HeapLimit, "region STACK_RAM overflowed with stack") }