mbed official / mbed

The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

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mbed 2

This is the mbed 2 library. If you'd like to learn about Mbed OS please see the mbed-os docs.

TARGET_MTS_MDOT_F405RG/TOOLCHAIN_GCC_ARM/STM32F405.ld@147:a97add6d7e64, 2017-07-19 (annotated)

Committer:
Kojto
Date:
Wed Jul 19 16:46:19 2017 +0100
Revision:
147:a97add6d7e64
Parent:
92:4fc01daae5a5
Child:
171:3a7713b1edbc
Release 147 of the mbed library.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 92:4fc01daae5a5 1 /* Linker script for STM32F405 */
bogdanm 92:4fc01daae5a5 2
bogdanm 92:4fc01daae5a5 3 /* Linker script to configure memory regions. */
bogdanm 92:4fc01daae5a5 4 MEMORY
bogdanm 92:4fc01daae5a5 5 {
bogdanm 92:4fc01daae5a5 6 FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 1024K
bogdanm 92:4fc01daae5a5 7 CCM (rwx) : ORIGIN = 0x10000000, LENGTH = 64K
bogdanm 92:4fc01daae5a5 8 RAM (rwx) : ORIGIN = 0x20000188, LENGTH = 128K - 0x188
bogdanm 92:4fc01daae5a5 9 }
bogdanm 92:4fc01daae5a5 10
bogdanm 92:4fc01daae5a5 11 /* Linker script to place sections and symbol values. Should be used together
bogdanm 92:4fc01daae5a5 12 * with other linker script that defines memory regions FLASH and RAM.
bogdanm 92:4fc01daae5a5 13 * It references following symbols, which must be defined in code:
bogdanm 92:4fc01daae5a5 14 * Reset_Handler : Entry of reset handler
bogdanm 92:4fc01daae5a5 15 *
bogdanm 92:4fc01daae5a5 16 * It defines following symbols, which code can use without definition:
bogdanm 92:4fc01daae5a5 17 * __exidx_start
bogdanm 92:4fc01daae5a5 18 * __exidx_end
bogdanm 92:4fc01daae5a5 19 * __etext
bogdanm 92:4fc01daae5a5 20 * __data_start__
bogdanm 92:4fc01daae5a5 21 * __preinit_array_start
bogdanm 92:4fc01daae5a5 22 * __preinit_array_end
bogdanm 92:4fc01daae5a5 23 * __init_array_start
bogdanm 92:4fc01daae5a5 24 * __init_array_end
bogdanm 92:4fc01daae5a5 25 * __fini_array_start
bogdanm 92:4fc01daae5a5 26 * __fini_array_end
bogdanm 92:4fc01daae5a5 27 * __data_end__
bogdanm 92:4fc01daae5a5 28 * __bss_start__
bogdanm 92:4fc01daae5a5 29 * __bss_end__
bogdanm 92:4fc01daae5a5 30 * __end__
bogdanm 92:4fc01daae5a5 31 * end
bogdanm 92:4fc01daae5a5 32 * __HeapLimit
bogdanm 92:4fc01daae5a5 33 * __StackLimit
bogdanm 92:4fc01daae5a5 34 * __StackTop
bogdanm 92:4fc01daae5a5 35 * __stack
bogdanm 92:4fc01daae5a5 36 */
bogdanm 92:4fc01daae5a5 37 ENTRY(Reset_Handler)
bogdanm 92:4fc01daae5a5 38
bogdanm 92:4fc01daae5a5 39 SECTIONS
bogdanm 92:4fc01daae5a5 40 {
bogdanm 92:4fc01daae5a5 41 .text :
bogdanm 92:4fc01daae5a5 42 {
bogdanm 92:4fc01daae5a5 43 KEEP(*(.isr_vector))
bogdanm 92:4fc01daae5a5 44 *(.text*)
bogdanm 92:4fc01daae5a5 45
bogdanm 92:4fc01daae5a5 46 KEEP(*(.init))
bogdanm 92:4fc01daae5a5 47 KEEP(*(.fini))
bogdanm 92:4fc01daae5a5 48
bogdanm 92:4fc01daae5a5 49 /* .ctors */
bogdanm 92:4fc01daae5a5 50 *crtbegin.o(.ctors)
bogdanm 92:4fc01daae5a5 51 *crtbegin?.o(.ctors)
bogdanm 92:4fc01daae5a5 52 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
bogdanm 92:4fc01daae5a5 53 *(SORT(.ctors.*))
bogdanm 92:4fc01daae5a5 54 *(.ctors)
bogdanm 92:4fc01daae5a5 55
bogdanm 92:4fc01daae5a5 56 /* .dtors */
bogdanm 92:4fc01daae5a5 57 *crtbegin.o(.dtors)
bogdanm 92:4fc01daae5a5 58 *crtbegin?.o(.dtors)
bogdanm 92:4fc01daae5a5 59 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
bogdanm 92:4fc01daae5a5 60 *(SORT(.dtors.*))
bogdanm 92:4fc01daae5a5 61 *(.dtors)
bogdanm 92:4fc01daae5a5 62
bogdanm 92:4fc01daae5a5 63 *(.rodata*)
bogdanm 92:4fc01daae5a5 64
bogdanm 92:4fc01daae5a5 65 KEEP(*(.eh_frame*))
bogdanm 92:4fc01daae5a5 66 } > FLASH
bogdanm 92:4fc01daae5a5 67
bogdanm 92:4fc01daae5a5 68 .ARM.extab :
bogdanm 92:4fc01daae5a5 69 {
bogdanm 92:4fc01daae5a5 70 *(.ARM.extab* .gnu.linkonce.armextab.*)
bogdanm 92:4fc01daae5a5 71 } > FLASH
bogdanm 92:4fc01daae5a5 72
bogdanm 92:4fc01daae5a5 73 __exidx_start = .;
bogdanm 92:4fc01daae5a5 74 .ARM.exidx :
bogdanm 92:4fc01daae5a5 75 {
bogdanm 92:4fc01daae5a5 76 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
bogdanm 92:4fc01daae5a5 77 } > FLASH
bogdanm 92:4fc01daae5a5 78 __exidx_end = .;
bogdanm 92:4fc01daae5a5 79
bogdanm 92:4fc01daae5a5 80 __etext = .;
bogdanm 92:4fc01daae5a5 81
bogdanm 92:4fc01daae5a5 82 .data : AT (__etext)
bogdanm 92:4fc01daae5a5 83 {
bogdanm 92:4fc01daae5a5 84 __data_start__ = .;
bogdanm 92:4fc01daae5a5 85 *(vtable)
bogdanm 92:4fc01daae5a5 86 *(.data*)
bogdanm 92:4fc01daae5a5 87
bogdanm 92:4fc01daae5a5 88 . = ALIGN(4);
bogdanm 92:4fc01daae5a5 89 /* preinit data */
bogdanm 92:4fc01daae5a5 90 PROVIDE_HIDDEN (__preinit_array_start = .);
bogdanm 92:4fc01daae5a5 91 KEEP(*(.preinit_array))
bogdanm 92:4fc01daae5a5 92 PROVIDE_HIDDEN (__preinit_array_end = .);
bogdanm 92:4fc01daae5a5 93
bogdanm 92:4fc01daae5a5 94 . = ALIGN(4);
bogdanm 92:4fc01daae5a5 95 /* init data */
bogdanm 92:4fc01daae5a5 96 PROVIDE_HIDDEN (__init_array_start = .);
bogdanm 92:4fc01daae5a5 97 KEEP(*(SORT(.init_array.*)))
bogdanm 92:4fc01daae5a5 98 KEEP(*(.init_array))
bogdanm 92:4fc01daae5a5 99 PROVIDE_HIDDEN (__init_array_end = .);
bogdanm 92:4fc01daae5a5 100
bogdanm 92:4fc01daae5a5 101
bogdanm 92:4fc01daae5a5 102 . = ALIGN(4);
bogdanm 92:4fc01daae5a5 103 /* finit data */
bogdanm 92:4fc01daae5a5 104 PROVIDE_HIDDEN (__fini_array_start = .);
bogdanm 92:4fc01daae5a5 105 KEEP(*(SORT(.fini_array.*)))
bogdanm 92:4fc01daae5a5 106 KEEP(*(.fini_array))
bogdanm 92:4fc01daae5a5 107 PROVIDE_HIDDEN (__fini_array_end = .);
bogdanm 92:4fc01daae5a5 108
bogdanm 92:4fc01daae5a5 109 KEEP(*(.jcr*))
bogdanm 92:4fc01daae5a5 110 . = ALIGN(4);
bogdanm 92:4fc01daae5a5 111 /* All data end */
bogdanm 92:4fc01daae5a5 112 __data_end__ = .;
bogdanm 92:4fc01daae5a5 113
bogdanm 92:4fc01daae5a5 114 } > RAM
bogdanm 92:4fc01daae5a5 115
bogdanm 92:4fc01daae5a5 116 .bss :
bogdanm 92:4fc01daae5a5 117 {
bogdanm 92:4fc01daae5a5 118 . = ALIGN(4);
bogdanm 92:4fc01daae5a5 119 __bss_start__ = .;
bogdanm 92:4fc01daae5a5 120 *(.bss*)
bogdanm 92:4fc01daae5a5 121 *(COMMON)
bogdanm 92:4fc01daae5a5 122 . = ALIGN(4);
bogdanm 92:4fc01daae5a5 123 __bss_end__ = .;
bogdanm 92:4fc01daae5a5 124 } > RAM
bogdanm 92:4fc01daae5a5 125
bogdanm 92:4fc01daae5a5 126 .heap (COPY):
bogdanm 92:4fc01daae5a5 127 {
bogdanm 92:4fc01daae5a5 128 __end__ = .;
bogdanm 92:4fc01daae5a5 129 end = __end__;
bogdanm 92:4fc01daae5a5 130 *(.heap*)
bogdanm 92:4fc01daae5a5 131 __HeapLimit = .;
bogdanm 92:4fc01daae5a5 132 } > RAM
bogdanm 92:4fc01daae5a5 133
bogdanm 92:4fc01daae5a5 134 /* .stack_dummy section doesn't contains any symbols. It is only
bogdanm 92:4fc01daae5a5 135 * used for linker to calculate size of stack sections, and assign
bogdanm 92:4fc01daae5a5 136 * values to stack symbols later */
bogdanm 92:4fc01daae5a5 137 .stack_dummy (COPY):
bogdanm 92:4fc01daae5a5 138 {
bogdanm 92:4fc01daae5a5 139 *(.stack*)
bogdanm 92:4fc01daae5a5 140 } > RAM
bogdanm 92:4fc01daae5a5 141
bogdanm 92:4fc01daae5a5 142 /* Set stack top to end of RAM, and stack limit move down by
bogdanm 92:4fc01daae5a5 143 * size of stack_dummy section */
bogdanm 92:4fc01daae5a5 144 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
bogdanm 92:4fc01daae5a5 145 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
bogdanm 92:4fc01daae5a5 146 PROVIDE(__stack = __StackTop);
bogdanm 92:4fc01daae5a5 147
bogdanm 92:4fc01daae5a5 148 /* Check if data + heap + stack exceeds RAM limit */
bogdanm 92:4fc01daae5a5 149 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
bogdanm 92:4fc01daae5a5 150 }
bogdanm 92:4fc01daae5a5 151