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mbed 2
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TARGET_NUCLEO_F439ZI/TOOLCHAIN_GCC_ARM/STM32F439ZI.ld@145:64910690c574, 2017-06-21 (annotated)
- Committer:
- AnnaBridge
- Date:
- Wed Jun 21 17:31:38 2017 +0100
- Revision:
- 145:64910690c574
- Parent:
- 136:ef9c61f8c49f
Release 145 of the mbed library.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
AnnaBridge | 145:64910690c574 | 1 | #if !defined(MBED_APP_START) |
AnnaBridge | 145:64910690c574 | 2 | #define MBED_APP_START 0x08000000 |
AnnaBridge | 145:64910690c574 | 3 | #endif |
AnnaBridge | 145:64910690c574 | 4 | |
AnnaBridge | 145:64910690c574 | 5 | #if !defined(MBED_APP_SIZE) |
AnnaBridge | 145:64910690c574 | 6 | #define MBED_APP_SIZE 2048k |
AnnaBridge | 145:64910690c574 | 7 | #endif |
AnnaBridge | 145:64910690c574 | 8 | |
Kojto | 122:f9eeca106725 | 9 | /* Linker script to configure memory regions. */ |
Kojto | 122:f9eeca106725 | 10 | MEMORY |
Kojto | 122:f9eeca106725 | 11 | { |
AnnaBridge | 145:64910690c574 | 12 | FLASH (rx) : ORIGIN = MBED_APP_START, LENGTH = MBED_APP_SIZE |
Kojto | 122:f9eeca106725 | 13 | CCM (rwx) : ORIGIN = 0x10000000, LENGTH = 64K |
Kojto | 122:f9eeca106725 | 14 | RAM (rwx) : ORIGIN = 0x200001AC, LENGTH = 192k - 0x1AC |
Kojto | 122:f9eeca106725 | 15 | } |
Kojto | 122:f9eeca106725 | 16 | |
Kojto | 122:f9eeca106725 | 17 | /* Linker script to place sections and symbol values. Should be used together |
Kojto | 122:f9eeca106725 | 18 | * with other linker script that defines memory regions FLASH and RAM. |
Kojto | 122:f9eeca106725 | 19 | * It references following symbols, which must be defined in code: |
Kojto | 122:f9eeca106725 | 20 | * Reset_Handler : Entry of reset handler |
Kojto | 122:f9eeca106725 | 21 | * |
Kojto | 122:f9eeca106725 | 22 | * It defines following symbols, which code can use without definition: |
Kojto | 122:f9eeca106725 | 23 | * __exidx_start |
Kojto | 122:f9eeca106725 | 24 | * __exidx_end |
Kojto | 122:f9eeca106725 | 25 | * __etext |
Kojto | 122:f9eeca106725 | 26 | * __data_start__ |
Kojto | 122:f9eeca106725 | 27 | * __preinit_array_start |
Kojto | 122:f9eeca106725 | 28 | * __preinit_array_end |
Kojto | 122:f9eeca106725 | 29 | * __init_array_start |
Kojto | 122:f9eeca106725 | 30 | * __init_array_end |
Kojto | 122:f9eeca106725 | 31 | * __fini_array_start |
Kojto | 122:f9eeca106725 | 32 | * __fini_array_end |
Kojto | 122:f9eeca106725 | 33 | * __data_end__ |
Kojto | 122:f9eeca106725 | 34 | * __bss_start__ |
Kojto | 122:f9eeca106725 | 35 | * __bss_end__ |
Kojto | 122:f9eeca106725 | 36 | * __end__ |
Kojto | 122:f9eeca106725 | 37 | * end |
Kojto | 122:f9eeca106725 | 38 | * __HeapLimit |
Kojto | 122:f9eeca106725 | 39 | * __StackLimit |
Kojto | 122:f9eeca106725 | 40 | * __StackTop |
Kojto | 122:f9eeca106725 | 41 | * __stack |
Kojto | 122:f9eeca106725 | 42 | * _estack |
Kojto | 122:f9eeca106725 | 43 | */ |
Kojto | 122:f9eeca106725 | 44 | ENTRY(Reset_Handler) |
Kojto | 122:f9eeca106725 | 45 | |
Kojto | 122:f9eeca106725 | 46 | SECTIONS |
Kojto | 122:f9eeca106725 | 47 | { |
Kojto | 122:f9eeca106725 | 48 | .text : |
Kojto | 122:f9eeca106725 | 49 | { |
Kojto | 122:f9eeca106725 | 50 | KEEP(*(.isr_vector)) |
Kojto | 122:f9eeca106725 | 51 | *(.text*) |
Kojto | 122:f9eeca106725 | 52 | KEEP(*(.init)) |
Kojto | 122:f9eeca106725 | 53 | KEEP(*(.fini)) |
Kojto | 122:f9eeca106725 | 54 | |
Kojto | 122:f9eeca106725 | 55 | /* .ctors */ |
Kojto | 122:f9eeca106725 | 56 | *crtbegin.o(.ctors) |
Kojto | 122:f9eeca106725 | 57 | *crtbegin?.o(.ctors) |
Kojto | 122:f9eeca106725 | 58 | *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors) |
Kojto | 122:f9eeca106725 | 59 | *(SORT(.ctors.*)) |
Kojto | 122:f9eeca106725 | 60 | *(.ctors) |
Kojto | 122:f9eeca106725 | 61 | |
Kojto | 122:f9eeca106725 | 62 | /* .dtors */ |
Kojto | 122:f9eeca106725 | 63 | *crtbegin.o(.dtors) |
Kojto | 122:f9eeca106725 | 64 | *crtbegin?.o(.dtors) |
Kojto | 122:f9eeca106725 | 65 | *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors) |
Kojto | 122:f9eeca106725 | 66 | *(SORT(.dtors.*)) |
Kojto | 122:f9eeca106725 | 67 | *(.dtors) |
Kojto | 122:f9eeca106725 | 68 | |
Kojto | 122:f9eeca106725 | 69 | *(.rodata*) |
Kojto | 122:f9eeca106725 | 70 | |
Kojto | 122:f9eeca106725 | 71 | KEEP(*(.eh_frame*)) |
Kojto | 122:f9eeca106725 | 72 | } > FLASH |
Kojto | 122:f9eeca106725 | 73 | |
Kojto | 122:f9eeca106725 | 74 | .ARM.extab : |
Kojto | 122:f9eeca106725 | 75 | { |
Kojto | 122:f9eeca106725 | 76 | *(.ARM.extab* .gnu.linkonce.armextab.*) |
Kojto | 122:f9eeca106725 | 77 | } > FLASH |
Kojto | 122:f9eeca106725 | 78 | |
Kojto | 122:f9eeca106725 | 79 | __exidx_start = .; |
Kojto | 122:f9eeca106725 | 80 | .ARM.exidx : |
Kojto | 122:f9eeca106725 | 81 | { |
Kojto | 122:f9eeca106725 | 82 | *(.ARM.exidx* .gnu.linkonce.armexidx.*) |
Kojto | 122:f9eeca106725 | 83 | } > FLASH |
Kojto | 122:f9eeca106725 | 84 | __exidx_end = .; |
Kojto | 122:f9eeca106725 | 85 | |
Kojto | 122:f9eeca106725 | 86 | __etext = .; |
Kojto | 122:f9eeca106725 | 87 | _sidata = .; |
Kojto | 122:f9eeca106725 | 88 | |
Kojto | 122:f9eeca106725 | 89 | .data : AT (__etext) |
Kojto | 122:f9eeca106725 | 90 | { |
Kojto | 122:f9eeca106725 | 91 | __data_start__ = .; |
Kojto | 122:f9eeca106725 | 92 | _sdata = .; |
Kojto | 122:f9eeca106725 | 93 | *(vtable) |
Kojto | 122:f9eeca106725 | 94 | *(.data*) |
Kojto | 122:f9eeca106725 | 95 | |
Kojto | 122:f9eeca106725 | 96 | . = ALIGN(4); |
Kojto | 122:f9eeca106725 | 97 | /* preinit data */ |
Kojto | 122:f9eeca106725 | 98 | PROVIDE_HIDDEN (__preinit_array_start = .); |
Kojto | 122:f9eeca106725 | 99 | KEEP(*(.preinit_array)) |
Kojto | 122:f9eeca106725 | 100 | PROVIDE_HIDDEN (__preinit_array_end = .); |
Kojto | 122:f9eeca106725 | 101 | |
Kojto | 122:f9eeca106725 | 102 | . = ALIGN(4); |
Kojto | 122:f9eeca106725 | 103 | /* init data */ |
Kojto | 122:f9eeca106725 | 104 | PROVIDE_HIDDEN (__init_array_start = .); |
Kojto | 122:f9eeca106725 | 105 | KEEP(*(SORT(.init_array.*))) |
Kojto | 122:f9eeca106725 | 106 | KEEP(*(.init_array)) |
Kojto | 122:f9eeca106725 | 107 | PROVIDE_HIDDEN (__init_array_end = .); |
Kojto | 122:f9eeca106725 | 108 | |
Kojto | 122:f9eeca106725 | 109 | |
Kojto | 122:f9eeca106725 | 110 | . = ALIGN(4); |
Kojto | 122:f9eeca106725 | 111 | /* finit data */ |
Kojto | 122:f9eeca106725 | 112 | PROVIDE_HIDDEN (__fini_array_start = .); |
Kojto | 122:f9eeca106725 | 113 | KEEP(*(SORT(.fini_array.*))) |
Kojto | 122:f9eeca106725 | 114 | KEEP(*(.fini_array)) |
Kojto | 122:f9eeca106725 | 115 | PROVIDE_HIDDEN (__fini_array_end = .); |
Kojto | 122:f9eeca106725 | 116 | |
Kojto | 122:f9eeca106725 | 117 | KEEP(*(.jcr*)) |
Kojto | 122:f9eeca106725 | 118 | . = ALIGN(4); |
Kojto | 122:f9eeca106725 | 119 | /* All data end */ |
Kojto | 122:f9eeca106725 | 120 | __data_end__ = .; |
Kojto | 122:f9eeca106725 | 121 | _edata = .; |
Kojto | 122:f9eeca106725 | 122 | |
Kojto | 122:f9eeca106725 | 123 | } > RAM |
Kojto | 122:f9eeca106725 | 124 | |
Kojto | 122:f9eeca106725 | 125 | .bss : |
Kojto | 122:f9eeca106725 | 126 | { |
Kojto | 122:f9eeca106725 | 127 | . = ALIGN(4); |
Kojto | 122:f9eeca106725 | 128 | __bss_start__ = .; |
Kojto | 122:f9eeca106725 | 129 | _sbss = .; |
Kojto | 122:f9eeca106725 | 130 | *(.bss*) |
Kojto | 122:f9eeca106725 | 131 | *(COMMON) |
Kojto | 122:f9eeca106725 | 132 | . = ALIGN(4); |
Kojto | 122:f9eeca106725 | 133 | __bss_end__ = .; |
Kojto | 122:f9eeca106725 | 134 | _ebss = .; |
Kojto | 122:f9eeca106725 | 135 | } > RAM |
Kojto | 122:f9eeca106725 | 136 | |
Kojto | 122:f9eeca106725 | 137 | .heap (COPY): |
Kojto | 122:f9eeca106725 | 138 | { |
Kojto | 122:f9eeca106725 | 139 | __end__ = .; |
Kojto | 122:f9eeca106725 | 140 | end = __end__; |
Kojto | 122:f9eeca106725 | 141 | *(.heap*) |
Kojto | 122:f9eeca106725 | 142 | __HeapLimit = .; |
Kojto | 122:f9eeca106725 | 143 | } > RAM |
Kojto | 122:f9eeca106725 | 144 | |
Kojto | 122:f9eeca106725 | 145 | /* .stack_dummy section doesn't contains any symbols. It is only |
Kojto | 122:f9eeca106725 | 146 | * used for linker to calculate size of stack sections, and assign |
Kojto | 122:f9eeca106725 | 147 | * values to stack symbols later */ |
Kojto | 122:f9eeca106725 | 148 | .stack_dummy (COPY): |
Kojto | 122:f9eeca106725 | 149 | { |
Kojto | 122:f9eeca106725 | 150 | *(.stack*) |
Kojto | 122:f9eeca106725 | 151 | } > RAM |
Kojto | 122:f9eeca106725 | 152 | |
Kojto | 122:f9eeca106725 | 153 | /* Set stack top to end of RAM, and stack limit move down by |
Kojto | 122:f9eeca106725 | 154 | * size of stack_dummy section */ |
Kojto | 122:f9eeca106725 | 155 | __StackTop = ORIGIN(RAM) + LENGTH(RAM); |
Kojto | 122:f9eeca106725 | 156 | _estack = __StackTop; |
Kojto | 122:f9eeca106725 | 157 | __StackLimit = __StackTop - SIZEOF(.stack_dummy); |
Kojto | 122:f9eeca106725 | 158 | PROVIDE(__stack = __StackTop); |
Kojto | 122:f9eeca106725 | 159 | |
Kojto | 122:f9eeca106725 | 160 | /* Check if data + heap + stack exceeds RAM limit */ |
Kojto | 122:f9eeca106725 | 161 | ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack") |
Kojto | 122:f9eeca106725 | 162 | } |