PHung Tung / SRC_STM32F7

SPKT

Dependents:   WAV

targets/cmsis/TARGET_STM/TARGET_STM32F7/TARGET_DISCO_F746NG/TOOLCHAIN_GCC_ARM/STM32F746NG.ld@0:e87aa4c49e95, 2019-06-04 (annotated)

Committer:
phungductung
Date:
Tue Jun 04 21:51:46 2019 +0000
Revision:
0:e87aa4c49e95
libray

Who changed what in which revision?

UserRevisionLine numberNew contents of line
phungductung 0:e87aa4c49e95 1 /* Linker script to configure memory regions. */
phungductung 0:e87aa4c49e95 2 MEMORY
phungductung 0:e87aa4c49e95 3 {
phungductung 0:e87aa4c49e95 4 FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 1024K
phungductung 0:e87aa4c49e95 5 RAM (rwx) : ORIGIN = 0x200001C8, LENGTH = 320K - 0x1C8
phungductung 0:e87aa4c49e95 6 }
phungductung 0:e87aa4c49e95 7
phungductung 0:e87aa4c49e95 8 /* Linker script to place sections and symbol values. Should be used together
phungductung 0:e87aa4c49e95 9 * with other linker script that defines memory regions FLASH and RAM.
phungductung 0:e87aa4c49e95 10 * It references following symbols, which must be defined in code:
phungductung 0:e87aa4c49e95 11 * Reset_Handler : Entry of reset handler
phungductung 0:e87aa4c49e95 12 *
phungductung 0:e87aa4c49e95 13 * It defines following symbols, which code can use without definition:
phungductung 0:e87aa4c49e95 14 * __exidx_start
phungductung 0:e87aa4c49e95 15 * __exidx_end
phungductung 0:e87aa4c49e95 16 * __etext
phungductung 0:e87aa4c49e95 17 * __data_start__
phungductung 0:e87aa4c49e95 18 * __preinit_array_start
phungductung 0:e87aa4c49e95 19 * __preinit_array_end
phungductung 0:e87aa4c49e95 20 * __init_array_start
phungductung 0:e87aa4c49e95 21 * __init_array_end
phungductung 0:e87aa4c49e95 22 * __fini_array_start
phungductung 0:e87aa4c49e95 23 * __fini_array_end
phungductung 0:e87aa4c49e95 24 * __data_end__
phungductung 0:e87aa4c49e95 25 * __bss_start__
phungductung 0:e87aa4c49e95 26 * __bss_end__
phungductung 0:e87aa4c49e95 27 * __end__
phungductung 0:e87aa4c49e95 28 * end
phungductung 0:e87aa4c49e95 29 * __HeapLimit
phungductung 0:e87aa4c49e95 30 * __StackLimit
phungductung 0:e87aa4c49e95 31 * __StackTop
phungductung 0:e87aa4c49e95 32 * __stack
phungductung 0:e87aa4c49e95 33 * _estack
phungductung 0:e87aa4c49e95 34 */
phungductung 0:e87aa4c49e95 35 ENTRY(Reset_Handler)
phungductung 0:e87aa4c49e95 36
phungductung 0:e87aa4c49e95 37 SECTIONS
phungductung 0:e87aa4c49e95 38 {
phungductung 0:e87aa4c49e95 39 .text :
phungductung 0:e87aa4c49e95 40 {
phungductung 0:e87aa4c49e95 41 KEEP(*(.isr_vector))
phungductung 0:e87aa4c49e95 42 *(.text*)
phungductung 0:e87aa4c49e95 43 KEEP(*(.init))
phungductung 0:e87aa4c49e95 44 KEEP(*(.fini))
phungductung 0:e87aa4c49e95 45
phungductung 0:e87aa4c49e95 46 /* .ctors */
phungductung 0:e87aa4c49e95 47 *crtbegin.o(.ctors)
phungductung 0:e87aa4c49e95 48 *crtbegin?.o(.ctors)
phungductung 0:e87aa4c49e95 49 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
phungductung 0:e87aa4c49e95 50 *(SORT(.ctors.*))
phungductung 0:e87aa4c49e95 51 *(.ctors)
phungductung 0:e87aa4c49e95 52
phungductung 0:e87aa4c49e95 53 /* .dtors */
phungductung 0:e87aa4c49e95 54 *crtbegin.o(.dtors)
phungductung 0:e87aa4c49e95 55 *crtbegin?.o(.dtors)
phungductung 0:e87aa4c49e95 56 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
phungductung 0:e87aa4c49e95 57 *(SORT(.dtors.*))
phungductung 0:e87aa4c49e95 58 *(.dtors)
phungductung 0:e87aa4c49e95 59
phungductung 0:e87aa4c49e95 60 *(.rodata*)
phungductung 0:e87aa4c49e95 61
phungductung 0:e87aa4c49e95 62 KEEP(*(.eh_frame*))
phungductung 0:e87aa4c49e95 63 } > FLASH
phungductung 0:e87aa4c49e95 64
phungductung 0:e87aa4c49e95 65 .ARM.extab :
phungductung 0:e87aa4c49e95 66 {
phungductung 0:e87aa4c49e95 67 *(.ARM.extab* .gnu.linkonce.armextab.*)
phungductung 0:e87aa4c49e95 68 } > FLASH
phungductung 0:e87aa4c49e95 69
phungductung 0:e87aa4c49e95 70 __exidx_start = .;
phungductung 0:e87aa4c49e95 71 .ARM.exidx :
phungductung 0:e87aa4c49e95 72 {
phungductung 0:e87aa4c49e95 73 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
phungductung 0:e87aa4c49e95 74 } > FLASH
phungductung 0:e87aa4c49e95 75 __exidx_end = .;
phungductung 0:e87aa4c49e95 76
phungductung 0:e87aa4c49e95 77 __etext = .;
phungductung 0:e87aa4c49e95 78 _sidata = .;
phungductung 0:e87aa4c49e95 79
phungductung 0:e87aa4c49e95 80 .data : AT (__etext)
phungductung 0:e87aa4c49e95 81 {
phungductung 0:e87aa4c49e95 82 __data_start__ = .;
phungductung 0:e87aa4c49e95 83 _sdata = .;
phungductung 0:e87aa4c49e95 84 *(vtable)
phungductung 0:e87aa4c49e95 85 *(.data*)
phungductung 0:e87aa4c49e95 86
phungductung 0:e87aa4c49e95 87 . = ALIGN(4);
phungductung 0:e87aa4c49e95 88 /* preinit data */
phungductung 0:e87aa4c49e95 89 PROVIDE_HIDDEN (__preinit_array_start = .);
phungductung 0:e87aa4c49e95 90 KEEP(*(.preinit_array))
phungductung 0:e87aa4c49e95 91 PROVIDE_HIDDEN (__preinit_array_end = .);
phungductung 0:e87aa4c49e95 92
phungductung 0:e87aa4c49e95 93 . = ALIGN(4);
phungductung 0:e87aa4c49e95 94 /* init data */
phungductung 0:e87aa4c49e95 95 PROVIDE_HIDDEN (__init_array_start = .);
phungductung 0:e87aa4c49e95 96 KEEP(*(SORT(.init_array.*)))
phungductung 0:e87aa4c49e95 97 KEEP(*(.init_array))
phungductung 0:e87aa4c49e95 98 PROVIDE_HIDDEN (__init_array_end = .);
phungductung 0:e87aa4c49e95 99
phungductung 0:e87aa4c49e95 100
phungductung 0:e87aa4c49e95 101 . = ALIGN(4);
phungductung 0:e87aa4c49e95 102 /* finit data */
phungductung 0:e87aa4c49e95 103 PROVIDE_HIDDEN (__fini_array_start = .);
phungductung 0:e87aa4c49e95 104 KEEP(*(SORT(.fini_array.*)))
phungductung 0:e87aa4c49e95 105 KEEP(*(.fini_array))
phungductung 0:e87aa4c49e95 106 PROVIDE_HIDDEN (__fini_array_end = .);
phungductung 0:e87aa4c49e95 107
phungductung 0:e87aa4c49e95 108 KEEP(*(.jcr*))
phungductung 0:e87aa4c49e95 109 . = ALIGN(4);
phungductung 0:e87aa4c49e95 110 /* All data end */
phungductung 0:e87aa4c49e95 111 __data_end__ = .;
phungductung 0:e87aa4c49e95 112 _edata = .;
phungductung 0:e87aa4c49e95 113
phungductung 0:e87aa4c49e95 114 } > RAM
phungductung 0:e87aa4c49e95 115
phungductung 0:e87aa4c49e95 116 .bss :
phungductung 0:e87aa4c49e95 117 {
phungductung 0:e87aa4c49e95 118 . = ALIGN(4);
phungductung 0:e87aa4c49e95 119 __bss_start__ = .;
phungductung 0:e87aa4c49e95 120 _sbss = .;
phungductung 0:e87aa4c49e95 121 *(.bss*)
phungductung 0:e87aa4c49e95 122 *(COMMON)
phungductung 0:e87aa4c49e95 123 . = ALIGN(4);
phungductung 0:e87aa4c49e95 124 __bss_end__ = .;
phungductung 0:e87aa4c49e95 125 _ebss = .;
phungductung 0:e87aa4c49e95 126 } > RAM
phungductung 0:e87aa4c49e95 127
phungductung 0:e87aa4c49e95 128 .heap (COPY):
phungductung 0:e87aa4c49e95 129 {
phungductung 0:e87aa4c49e95 130 __end__ = .;
phungductung 0:e87aa4c49e95 131 end = __end__;
phungductung 0:e87aa4c49e95 132 *(.heap*)
phungductung 0:e87aa4c49e95 133 __HeapLimit = .;
phungductung 0:e87aa4c49e95 134 } > RAM
phungductung 0:e87aa4c49e95 135
phungductung 0:e87aa4c49e95 136 /* .stack_dummy section doesn't contains any symbols. It is only
phungductung 0:e87aa4c49e95 137 * used for linker to calculate size of stack sections, and assign
phungductung 0:e87aa4c49e95 138 * values to stack symbols later */
phungductung 0:e87aa4c49e95 139 .stack_dummy (COPY):
phungductung 0:e87aa4c49e95 140 {
phungductung 0:e87aa4c49e95 141 *(.stack*)
phungductung 0:e87aa4c49e95 142 } > RAM
phungductung 0:e87aa4c49e95 143
phungductung 0:e87aa4c49e95 144 /* Set stack top to end of RAM, and stack limit move down by
phungductung 0:e87aa4c49e95 145 * size of stack_dummy section */
phungductung 0:e87aa4c49e95 146 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
phungductung 0:e87aa4c49e95 147 _estack = __StackTop;
phungductung 0:e87aa4c49e95 148 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
phungductung 0:e87aa4c49e95 149 PROVIDE(__stack = __StackTop);
phungductung 0:e87aa4c49e95 150
phungductung 0:e87aa4c49e95 151 /* Check if data + heap + stack exceeds RAM limit */
phungductung 0:e87aa4c49e95 152 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
phungductung 0:e87aa4c49e95 153 }