181 lines
4.3 KiB
Plaintext
181 lines
4.3 KiB
Plaintext
/* Linker script for mbed LPC1768 */
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MEMORY
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{
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//FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 512K
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FLASH (rx) : ORIGIN = 16K, LENGTH = (512K - 16K)
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RAM (rwx) : ORIGIN = 0x100000C8, LENGTH = (32K - 0xC8)
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USB_RAM(rwx) : ORIGIN = 0x2007C000, LENGTH = 16K
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ETH_RAM(rwx) : ORIGIN = 0x20080000, LENGTH = 16K
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}
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/* Linker script to place sections and symbol values. Should be used together
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* with other linker script that defines memory regions FLASH and RAM.
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* It references following symbols, which must be defined in code:
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* Reset_Handler : Entry of reset handler
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*
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* It defines following symbols, which code can use without definition:
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* __exidx_start
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* __exidx_end
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* __etext
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* __data_start__
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* __preinit_array_start
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* __preinit_array_end
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* __init_array_start
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* __init_array_end
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* __fini_array_start
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* __fini_array_end
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* __data_end__
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* __bss_start__
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* __bss_end__
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* __end__
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* end
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* __HeapLimit
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* __StackLimit
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* __StackTop
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* __stack
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*/
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ENTRY(Reset_Handler)
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SECTIONS
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{
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.text :
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{
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KEEP(*(.isr_vector))
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*(.text*)
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KEEP(*(.init))
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KEEP(*(.fini))
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/* .ctors */
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*crtbegin.o(.ctors)
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*crtbegin?.o(.ctors)
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*(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
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*(SORT(.ctors.*))
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*(.ctors)
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/* .dtors */
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*crtbegin.o(.dtors)
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*crtbegin?.o(.dtors)
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*(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
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*(SORT(.dtors.*))
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*(.dtors)
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*(.rodata*)
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KEEP(*(.eh_frame*))
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} > FLASH
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.ARM.extab :
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{
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*(.ARM.extab* .gnu.linkonce.armextab.*)
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} > FLASH
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__exidx_start = .;
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.ARM.exidx :
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{
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*(.ARM.exidx* .gnu.linkonce.armexidx.*)
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} > FLASH
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__exidx_end = .;
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__etext = .;
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.data : AT (__etext)
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{
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__data_start__ = .;
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Image$$RW_IRAM1$$Base = .;
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*(vtable)
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*(.data*)
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. = ALIGN(4);
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/* preinit data */
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PROVIDE (__preinit_array_start = .);
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KEEP(*(.preinit_array))
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PROVIDE (__preinit_array_end = .);
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. = ALIGN(4);
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/* init data */
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PROVIDE (__init_array_start = .);
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KEEP(*(SORT(.init_array.*)))
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KEEP(*(.init_array))
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PROVIDE (__init_array_end = .);
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. = ALIGN(4);
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/* finit data */
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PROVIDE (__fini_array_start = .);
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KEEP(*(SORT(.fini_array.*)))
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KEEP(*(.fini_array))
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PROVIDE (__fini_array_end = .);
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. = ALIGN(4);
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/* All data end */
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__data_end__ = .;
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} > RAM
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.bss :
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{
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__bss_start__ = .;
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*(.bss*)
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*(COMMON)
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__bss_end__ = .;
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Image$$RW_IRAM1$$ZI$$Limit = . ;
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} > RAM
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.heap :
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{
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__end__ = .;
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end = __end__;
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*(.heap*)
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__HeapLimit = .;
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} > RAM
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/* .stack_dummy section doesn't contains any symbols. It is only
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* used for linker to calculate size of stack sections, and assign
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* values to stack symbols later */
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.stack_dummy :
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{
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*(.stack)
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} > RAM
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/* Set stack top to end of RAM, and stack limit move down by
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* size of stack_dummy section */
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__StackTop = ORIGIN(RAM) + LENGTH(RAM);
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__StackLimit = __StackTop - SIZEOF(.stack_dummy);
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PROVIDE(__stack = __StackTop);
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PROVIDE(__heapLimit = __HeapLimit);
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PROVIDE(__stackSize = __StackTop - __HeapLimit);
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/* Area of memory, heap and stack, to fill on startup - 8 bytes at a time. */
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__FillStart = ALIGN(__end__, 8);
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/* Check if data + heap + stack exceeds RAM limit */
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ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
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/* Code can explicitly ask for data to be
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placed in these higher RAM banks where
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they will be left uninitialized.
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*/
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.AHBSRAM0 (NOLOAD):
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{
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Image$$RW_IRAM2$$Base = . ;
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PROVIDE(__AHB0_block_start = .);
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*(AHBSRAM0)
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Image$$RW_IRAM2$$ZI$$Limit = .;
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PROVIDE(__AHB0_dyn_start = .);
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PROVIDE(__AHB0_end = ORIGIN(USB_RAM) + LENGTH(USB_RAM));
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} > USB_RAM
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.AHBSRAM1 (NOLOAD):
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{
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Image$$RW_IRAM3$$Base = . ;
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PROVIDE(__AHB1_block_start = .);
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*(AHBSRAM1)
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Image$$RW_IRAM3$$ZI$$Limit = .;
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PROVIDE(__AHB1_dyn_start = .);
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PROVIDE(__AHB1_end = ORIGIN(ETH_RAM) + LENGTH(ETH_RAM));
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} > ETH_RAM
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}
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