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targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L496xG/device/TOOLCHAIN_GCC_ARM/STM32L496XX.ld@188:60408c49b6d4, 2018-09-20 (annotated)

Committer:
WaleedElmughrabi
Date:
Thu Sep 20 16:11:23 2018 +0000
Revision:
188:60408c49b6d4
Parent:
177:d650f5d4c87a 
Fork modified for BG96 error

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 177:d650f5d4c87a 1 /* Linker script to configure memory regions. */
AnnaBridge 177:d650f5d4c87a 2 MEMORY
AnnaBridge 177:d650f5d4c87a 3 {
AnnaBridge 177:d650f5d4c87a 4 FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 1024K
AnnaBridge 177:d650f5d4c87a 5 SRAM1 (rwx) : ORIGIN = 0x200001AC, LENGTH = 320k - 0x1AC
AnnaBridge 177:d650f5d4c87a 6 }
AnnaBridge 177:d650f5d4c87a 7
AnnaBridge 177:d650f5d4c87a 8 /* Linker script to place sections and symbol values. Should be used together
AnnaBridge 177:d650f5d4c87a 9 * with other linker script that defines memory regions FLASH and RAM.
AnnaBridge 177:d650f5d4c87a 10 * It references following symbols, which must be defined in code:
AnnaBridge 177:d650f5d4c87a 11 * Reset_Handler : Entry of reset handler
AnnaBridge 177:d650f5d4c87a 12 *
AnnaBridge 177:d650f5d4c87a 13 * It defines following symbols, which code can use without definition:
AnnaBridge 177:d650f5d4c87a 14 * __exidx_start
AnnaBridge 177:d650f5d4c87a 15 * __exidx_end
AnnaBridge 177:d650f5d4c87a 16 * __etext
AnnaBridge 177:d650f5d4c87a 17 * __data_start__
AnnaBridge 177:d650f5d4c87a 18 * __preinit_array_start
AnnaBridge 177:d650f5d4c87a 19 * __preinit_array_end
AnnaBridge 177:d650f5d4c87a 20 * __init_array_start
AnnaBridge 177:d650f5d4c87a 21 * __init_array_end
AnnaBridge 177:d650f5d4c87a 22 * __fini_array_start
AnnaBridge 177:d650f5d4c87a 23 * __fini_array_end
AnnaBridge 177:d650f5d4c87a 24 * __data_end__
AnnaBridge 177:d650f5d4c87a 25 * __bss_start__
AnnaBridge 177:d650f5d4c87a 26 * __bss_end__
AnnaBridge 177:d650f5d4c87a 27 * __end__
AnnaBridge 177:d650f5d4c87a 28 * end
AnnaBridge 177:d650f5d4c87a 29 * __HeapLimit
AnnaBridge 177:d650f5d4c87a 30 * __StackLimit
AnnaBridge 177:d650f5d4c87a 31 * __StackTop
AnnaBridge 177:d650f5d4c87a 32 * __stack
AnnaBridge 177:d650f5d4c87a 33 * _estack
AnnaBridge 177:d650f5d4c87a 34 */
AnnaBridge 177:d650f5d4c87a 35 ENTRY(Reset_Handler)
AnnaBridge 177:d650f5d4c87a 36
AnnaBridge 177:d650f5d4c87a 37 SECTIONS
AnnaBridge 177:d650f5d4c87a 38 {
AnnaBridge 177:d650f5d4c87a 39 .text :
AnnaBridge 177:d650f5d4c87a 40 {
AnnaBridge 177:d650f5d4c87a 41 KEEP(*(.isr_vector))
AnnaBridge 177:d650f5d4c87a 42 *(.text*)
AnnaBridge 177:d650f5d4c87a 43 KEEP(*(.init))
AnnaBridge 177:d650f5d4c87a 44 KEEP(*(.fini))
AnnaBridge 177:d650f5d4c87a 45
AnnaBridge 177:d650f5d4c87a 46 /* .ctors */
AnnaBridge 177:d650f5d4c87a 47 *crtbegin.o(.ctors)
AnnaBridge 177:d650f5d4c87a 48 *crtbegin?.o(.ctors)
AnnaBridge 177:d650f5d4c87a 49 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
AnnaBridge 177:d650f5d4c87a 50 *(SORT(.ctors.*))
AnnaBridge 177:d650f5d4c87a 51 *(.ctors)
AnnaBridge 177:d650f5d4c87a 52
AnnaBridge 177:d650f5d4c87a 53 /* .dtors */
AnnaBridge 177:d650f5d4c87a 54 *crtbegin.o(.dtors)
AnnaBridge 177:d650f5d4c87a 55 *crtbegin?.o(.dtors)
AnnaBridge 177:d650f5d4c87a 56 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
AnnaBridge 177:d650f5d4c87a 57 *(SORT(.dtors.*))
AnnaBridge 177:d650f5d4c87a 58 *(.dtors)
AnnaBridge 177:d650f5d4c87a 59
AnnaBridge 177:d650f5d4c87a 60 *(.rodata*)
AnnaBridge 177:d650f5d4c87a 61
AnnaBridge 177:d650f5d4c87a 62 KEEP(*(.eh_frame*))
AnnaBridge 177:d650f5d4c87a 63 } > FLASH
AnnaBridge 177:d650f5d4c87a 64
AnnaBridge 177:d650f5d4c87a 65 .ARM.extab :
AnnaBridge 177:d650f5d4c87a 66 {
AnnaBridge 177:d650f5d4c87a 67 *(.ARM.extab* .gnu.linkonce.armextab.*)
AnnaBridge 177:d650f5d4c87a 68 } > FLASH
AnnaBridge 177:d650f5d4c87a 69
AnnaBridge 177:d650f5d4c87a 70 __exidx_start = .;
AnnaBridge 177:d650f5d4c87a 71 .ARM.exidx :
AnnaBridge 177:d650f5d4c87a 72 {
AnnaBridge 177:d650f5d4c87a 73 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
AnnaBridge 177:d650f5d4c87a 74 } > FLASH
AnnaBridge 177:d650f5d4c87a 75 __exidx_end = .;
AnnaBridge 177:d650f5d4c87a 76
AnnaBridge 177:d650f5d4c87a 77 __etext = .;
AnnaBridge 177:d650f5d4c87a 78 _sidata = .;
AnnaBridge 177:d650f5d4c87a 79
AnnaBridge 177:d650f5d4c87a 80 .data : AT (__etext)
AnnaBridge 177:d650f5d4c87a 81 {
AnnaBridge 177:d650f5d4c87a 82 __data_start__ = .;
AnnaBridge 177:d650f5d4c87a 83 _sdata = .;
AnnaBridge 177:d650f5d4c87a 84 *(vtable)
AnnaBridge 177:d650f5d4c87a 85 *(.data*)
AnnaBridge 177:d650f5d4c87a 86
AnnaBridge 177:d650f5d4c87a 87 . = ALIGN(4);
AnnaBridge 177:d650f5d4c87a 88 /* preinit data */
AnnaBridge 177:d650f5d4c87a 89 PROVIDE_HIDDEN (__preinit_array_start = .);
AnnaBridge 177:d650f5d4c87a 90 KEEP(*(.preinit_array))
AnnaBridge 177:d650f5d4c87a 91 PROVIDE_HIDDEN (__preinit_array_end = .);
AnnaBridge 177:d650f5d4c87a 92
AnnaBridge 177:d650f5d4c87a 93 . = ALIGN(4);
AnnaBridge 177:d650f5d4c87a 94 /* init data */
AnnaBridge 177:d650f5d4c87a 95 PROVIDE_HIDDEN (__init_array_start = .);
AnnaBridge 177:d650f5d4c87a 96 KEEP(*(SORT(.init_array.*)))
AnnaBridge 177:d650f5d4c87a 97 KEEP(*(.init_array))
AnnaBridge 177:d650f5d4c87a 98 PROVIDE_HIDDEN (__init_array_end = .);
AnnaBridge 177:d650f5d4c87a 99
AnnaBridge 177:d650f5d4c87a 100
AnnaBridge 177:d650f5d4c87a 101 . = ALIGN(4);
AnnaBridge 177:d650f5d4c87a 102 /* finit data */
AnnaBridge 177:d650f5d4c87a 103 PROVIDE_HIDDEN (__fini_array_start = .);
AnnaBridge 177:d650f5d4c87a 104 KEEP(*(SORT(.fini_array.*)))
AnnaBridge 177:d650f5d4c87a 105 KEEP(*(.fini_array))
AnnaBridge 177:d650f5d4c87a 106 PROVIDE_HIDDEN (__fini_array_end = .);
AnnaBridge 177:d650f5d4c87a 107
AnnaBridge 177:d650f5d4c87a 108 KEEP(*(.jcr*))
AnnaBridge 177:d650f5d4c87a 109 . = ALIGN(4);
AnnaBridge 177:d650f5d4c87a 110 /* All data end */
AnnaBridge 177:d650f5d4c87a 111 __data_end__ = .;
AnnaBridge 177:d650f5d4c87a 112 _edata = .;
AnnaBridge 177:d650f5d4c87a 113
AnnaBridge 177:d650f5d4c87a 114 } > SRAM1
AnnaBridge 177:d650f5d4c87a 115
AnnaBridge 177:d650f5d4c87a 116 .bss :
AnnaBridge 177:d650f5d4c87a 117 {
AnnaBridge 177:d650f5d4c87a 118 . = ALIGN(4);
AnnaBridge 177:d650f5d4c87a 119 __bss_start__ = .;
AnnaBridge 177:d650f5d4c87a 120 _sbss = .;
AnnaBridge 177:d650f5d4c87a 121 *(.bss*)
AnnaBridge 177:d650f5d4c87a 122 *(COMMON)
AnnaBridge 177:d650f5d4c87a 123 . = ALIGN(4);
AnnaBridge 177:d650f5d4c87a 124 __bss_end__ = .;
AnnaBridge 177:d650f5d4c87a 125 _ebss = .;
AnnaBridge 177:d650f5d4c87a 126 } > SRAM1
AnnaBridge 177:d650f5d4c87a 127
AnnaBridge 177:d650f5d4c87a 128 .heap (COPY):
AnnaBridge 177:d650f5d4c87a 129 {
AnnaBridge 177:d650f5d4c87a 130 __end__ = .;
AnnaBridge 177:d650f5d4c87a 131 end = __end__;
AnnaBridge 177:d650f5d4c87a 132 *(.heap*)
AnnaBridge 177:d650f5d4c87a 133 __HeapLimit = .;
AnnaBridge 177:d650f5d4c87a 134 } > SRAM1
AnnaBridge 177:d650f5d4c87a 135
AnnaBridge 177:d650f5d4c87a 136 /* .stack_dummy section doesn't contains any symbols. It is only
AnnaBridge 177:d650f5d4c87a 137 * used for linker to calculate size of stack sections, and assign
AnnaBridge 177:d650f5d4c87a 138 * values to stack symbols later */
AnnaBridge 177:d650f5d4c87a 139 .stack_dummy (COPY):
AnnaBridge 177:d650f5d4c87a 140 {
AnnaBridge 177:d650f5d4c87a 141 *(.stack*)
AnnaBridge 177:d650f5d4c87a 142 } > SRAM1
AnnaBridge 177:d650f5d4c87a 143
AnnaBridge 177:d650f5d4c87a 144 /* Set stack top to end of RAM, and stack limit move down by
AnnaBridge 177:d650f5d4c87a 145 * size of stack_dummy section */
AnnaBridge 177:d650f5d4c87a 146 __StackTop = ORIGIN(SRAM1) + LENGTH(SRAM1);
AnnaBridge 177:d650f5d4c87a 147 _estack = __StackTop;
AnnaBridge 177:d650f5d4c87a 148 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
AnnaBridge 177:d650f5d4c87a 149 PROVIDE(__stack = __StackTop);
AnnaBridge 177:d650f5d4c87a 150
AnnaBridge 177:d650f5d4c87a 151 /* Check if data + heap + stack exceeds RAM limit */
AnnaBridge 177:d650f5d4c87a 152 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
AnnaBridge 177:d650f5d4c87a 153 }