Steve Kim / mbed-src-test

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targets/cmsis/TARGET_STM/TARGET_STM32F4XX/TOOLCHAIN_GCC_ARM/STM32F407.ld@590:0835b0fc9a03, 2015-07-14 (annotated)

Committer:
SteveKim
Date:
Tue Jul 14 10:20:51 2015 +0000
Revision:
590:0835b0fc9a03
Parent:
20:4263a77256ae 
.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 20:4263a77256ae 1 /* Linker script for STM32F407 */
bogdanm 20:4263a77256ae 2
bogdanm 20:4263a77256ae 3 /* Linker script to configure memory regions. */
bogdanm 20:4263a77256ae 4 MEMORY
bogdanm 20:4263a77256ae 5 {
bogdanm 20:4263a77256ae 6 FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 1024K
bogdanm 20:4263a77256ae 7 CCM (rwx) : ORIGIN = 0x10000000, LENGTH = 64K
bogdanm 20:4263a77256ae 8 RAM (rwx) : ORIGIN = 0x20000188, LENGTH = 0x1FE78
bogdanm 20:4263a77256ae 9 }
bogdanm 20:4263a77256ae 10
bogdanm 20:4263a77256ae 11 /* Linker script to place sections and symbol values. Should be used together
bogdanm 20:4263a77256ae 12 * with other linker script that defines memory regions FLASH and RAM.
bogdanm 20:4263a77256ae 13 * It references following symbols, which must be defined in code:
bogdanm 20:4263a77256ae 14 * Reset_Handler : Entry of reset handler
bogdanm 20:4263a77256ae 15 *
bogdanm 20:4263a77256ae 16 * It defines following symbols, which code can use without definition:
bogdanm 20:4263a77256ae 17 * __exidx_start
bogdanm 20:4263a77256ae 18 * __exidx_end
bogdanm 20:4263a77256ae 19 * __etext
bogdanm 20:4263a77256ae 20 * __data_start__
bogdanm 20:4263a77256ae 21 * __preinit_array_start
bogdanm 20:4263a77256ae 22 * __preinit_array_end
bogdanm 20:4263a77256ae 23 * __init_array_start
bogdanm 20:4263a77256ae 24 * __init_array_end
bogdanm 20:4263a77256ae 25 * __fini_array_start
bogdanm 20:4263a77256ae 26 * __fini_array_end
bogdanm 20:4263a77256ae 27 * __data_end__
bogdanm 20:4263a77256ae 28 * __bss_start__
bogdanm 20:4263a77256ae 29 * __bss_end__
bogdanm 20:4263a77256ae 30 * __end__
bogdanm 20:4263a77256ae 31 * end
bogdanm 20:4263a77256ae 32 * __HeapLimit
bogdanm 20:4263a77256ae 33 * __StackLimit
bogdanm 20:4263a77256ae 34 * __StackTop
bogdanm 20:4263a77256ae 35 * __stack
bogdanm 20:4263a77256ae 36 */
bogdanm 20:4263a77256ae 37 ENTRY(Reset_Handler)
bogdanm 20:4263a77256ae 38
bogdanm 20:4263a77256ae 39 SECTIONS
bogdanm 20:4263a77256ae 40 {
bogdanm 20:4263a77256ae 41 .text :
bogdanm 20:4263a77256ae 42 {
bogdanm 20:4263a77256ae 43 KEEP(*(.isr_vector))
bogdanm 20:4263a77256ae 44 *(.text*)
bogdanm 20:4263a77256ae 45
bogdanm 20:4263a77256ae 46 KEEP(*(.init))
bogdanm 20:4263a77256ae 47 KEEP(*(.fini))
bogdanm 20:4263a77256ae 48
bogdanm 20:4263a77256ae 49 /* .ctors */
bogdanm 20:4263a77256ae 50 *crtbegin.o(.ctors)
bogdanm 20:4263a77256ae 51 *crtbegin?.o(.ctors)
bogdanm 20:4263a77256ae 52 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
bogdanm 20:4263a77256ae 53 *(SORT(.ctors.*))
bogdanm 20:4263a77256ae 54 *(.ctors)
bogdanm 20:4263a77256ae 55
bogdanm 20:4263a77256ae 56 /* .dtors */
bogdanm 20:4263a77256ae 57 *crtbegin.o(.dtors)
bogdanm 20:4263a77256ae 58 *crtbegin?.o(.dtors)
bogdanm 20:4263a77256ae 59 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
bogdanm 20:4263a77256ae 60 *(SORT(.dtors.*))
bogdanm 20:4263a77256ae 61 *(.dtors)
bogdanm 20:4263a77256ae 62
bogdanm 20:4263a77256ae 63 *(.rodata*)
bogdanm 20:4263a77256ae 64
bogdanm 20:4263a77256ae 65 KEEP(*(.eh_frame*))
bogdanm 20:4263a77256ae 66 } > FLASH
bogdanm 20:4263a77256ae 67
bogdanm 20:4263a77256ae 68 .ARM.extab :
bogdanm 20:4263a77256ae 69 {
bogdanm 20:4263a77256ae 70 *(.ARM.extab* .gnu.linkonce.armextab.*)
bogdanm 20:4263a77256ae 71 } > FLASH
bogdanm 20:4263a77256ae 72
bogdanm 20:4263a77256ae 73 __exidx_start = .;
bogdanm 20:4263a77256ae 74 .ARM.exidx :
bogdanm 20:4263a77256ae 75 {
bogdanm 20:4263a77256ae 76 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
bogdanm 20:4263a77256ae 77 } > FLASH
bogdanm 20:4263a77256ae 78 __exidx_end = .;
bogdanm 20:4263a77256ae 79
bogdanm 20:4263a77256ae 80 __etext = .;
bogdanm 20:4263a77256ae 81
bogdanm 20:4263a77256ae 82 .data : AT (__etext)
bogdanm 20:4263a77256ae 83 {
bogdanm 20:4263a77256ae 84 __data_start__ = .;
bogdanm 20:4263a77256ae 85 *(vtable)
bogdanm 20:4263a77256ae 86 *(.data*)
bogdanm 20:4263a77256ae 87
bogdanm 20:4263a77256ae 88 . = ALIGN(4);
bogdanm 20:4263a77256ae 89 /* preinit data */
bogdanm 20:4263a77256ae 90 PROVIDE_HIDDEN (__preinit_array_start = .);
bogdanm 20:4263a77256ae 91 KEEP(*(.preinit_array))
bogdanm 20:4263a77256ae 92 PROVIDE_HIDDEN (__preinit_array_end = .);
bogdanm 20:4263a77256ae 93
bogdanm 20:4263a77256ae 94 . = ALIGN(4);
bogdanm 20:4263a77256ae 95 /* init data */
bogdanm 20:4263a77256ae 96 PROVIDE_HIDDEN (__init_array_start = .);
bogdanm 20:4263a77256ae 97 KEEP(*(SORT(.init_array.*)))
bogdanm 20:4263a77256ae 98 KEEP(*(.init_array))
bogdanm 20:4263a77256ae 99 PROVIDE_HIDDEN (__init_array_end = .);
bogdanm 20:4263a77256ae 100
bogdanm 20:4263a77256ae 101
bogdanm 20:4263a77256ae 102 . = ALIGN(4);
bogdanm 20:4263a77256ae 103 /* finit data */
bogdanm 20:4263a77256ae 104 PROVIDE_HIDDEN (__fini_array_start = .);
bogdanm 20:4263a77256ae 105 KEEP(*(SORT(.fini_array.*)))
bogdanm 20:4263a77256ae 106 KEEP(*(.fini_array))
bogdanm 20:4263a77256ae 107 PROVIDE_HIDDEN (__fini_array_end = .);
bogdanm 20:4263a77256ae 108
bogdanm 20:4263a77256ae 109 KEEP(*(.jcr*))
bogdanm 20:4263a77256ae 110 . = ALIGN(4);
bogdanm 20:4263a77256ae 111 /* All data end */
bogdanm 20:4263a77256ae 112 __data_end__ = .;
bogdanm 20:4263a77256ae 113
bogdanm 20:4263a77256ae 114 } > RAM
bogdanm 20:4263a77256ae 115
bogdanm 20:4263a77256ae 116 .bss :
bogdanm 20:4263a77256ae 117 {
bogdanm 20:4263a77256ae 118 . = ALIGN(4);
bogdanm 20:4263a77256ae 119 __bss_start__ = .;
bogdanm 20:4263a77256ae 120 *(.bss*)
bogdanm 20:4263a77256ae 121 *(COMMON)
bogdanm 20:4263a77256ae 122 . = ALIGN(4);
bogdanm 20:4263a77256ae 123 __bss_end__ = .;
bogdanm 20:4263a77256ae 124 } > RAM
bogdanm 20:4263a77256ae 125
bogdanm 20:4263a77256ae 126 .heap (COPY):
bogdanm 20:4263a77256ae 127 {
bogdanm 20:4263a77256ae 128 __end__ = .;
bogdanm 20:4263a77256ae 129 end = __end__;
bogdanm 20:4263a77256ae 130 *(.heap*)
bogdanm 20:4263a77256ae 131 __HeapLimit = .;
bogdanm 20:4263a77256ae 132 } > RAM
bogdanm 20:4263a77256ae 133
bogdanm 20:4263a77256ae 134 /* .stack_dummy section doesn't contains any symbols. It is only
bogdanm 20:4263a77256ae 135 * used for linker to calculate size of stack sections, and assign
bogdanm 20:4263a77256ae 136 * values to stack symbols later */
bogdanm 20:4263a77256ae 137 .stack_dummy (COPY):
bogdanm 20:4263a77256ae 138 {
bogdanm 20:4263a77256ae 139 *(.stack*)
bogdanm 20:4263a77256ae 140 } > RAM
bogdanm 20:4263a77256ae 141
bogdanm 20:4263a77256ae 142 /* Set stack top to end of RAM, and stack limit move down by
bogdanm 20:4263a77256ae 143 * size of stack_dummy section */
bogdanm 20:4263a77256ae 144 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
bogdanm 20:4263a77256ae 145 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
bogdanm 20:4263a77256ae 146 PROVIDE(__stack = __StackTop);
bogdanm 20:4263a77256ae 147
bogdanm 20:4263a77256ae 148 /* Check if data + heap + stack exceeds RAM limit */
bogdanm 20:4263a77256ae 149 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
bogdanm 20:4263a77256ae 150 }
bogdanm 20:4263a77256ae 151