Stuart Northfield / mbed-src

mbed library sources

Fork of mbed-src by mbed official

targets/cmsis/TARGET_STM/TARGET_STM32F4/TARGET_DISCO_F429ZI/TOOLCHAIN_GCC_ARM/STM32F429ZI.ld@384:ef87175507f1, 2014-11-04 (annotated)

Committer:
mbed_official
Date:
Tue Nov 04 09:30:07 2014 +0000
Revision:
384:ef87175507f1
Parent:
targets/cmsis/TARGET_STM/TARGET_DISCO_F429ZI/TOOLCHAIN_GCC_ARM/STM32F429ZI.ld@360:3a6dcb505230 
Synchronized with git revision 8f7778d898867246da01cfccb39396c2e419c1f6



Full URL: https://github.com/mbedmicro/mbed/commit/8f7778d898867246da01cfccb39396c2e419c1f6/



Targets: Nucleo F4xx - Reorder f4xx structure

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 344:ed24f9926218 1 /* Linker script for STM32F429ZI */
mbed_official 340:28d1f895c6fe 2
mbed_official 340:28d1f895c6fe 3 /* Linker script to configure memory regions. */
mbed_official 340:28d1f895c6fe 4 MEMORY
mbed_official 340:28d1f895c6fe 5 {
mbed_official 340:28d1f895c6fe 6 FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 2048k
mbed_official 340:28d1f895c6fe 7 CCM (rwx) : ORIGIN = 0x10000000, LENGTH = 64K
mbed_official 360:3a6dcb505230 8 RAM (rwx) : ORIGIN = 0x200001AC, LENGTH = 192k - 0x1AC
mbed_official 340:28d1f895c6fe 9 }
mbed_official 340:28d1f895c6fe 10
mbed_official 340:28d1f895c6fe 11 /* Linker script to place sections and symbol values. Should be used together
mbed_official 340:28d1f895c6fe 12 * with other linker script that defines memory regions FLASH and RAM.
mbed_official 340:28d1f895c6fe 13 * It references following symbols, which must be defined in code:
mbed_official 340:28d1f895c6fe 14 * Reset_Handler : Entry of reset handler
mbed_official 340:28d1f895c6fe 15 *
mbed_official 340:28d1f895c6fe 16 * It defines following symbols, which code can use without definition:
mbed_official 340:28d1f895c6fe 17 * __exidx_start
mbed_official 340:28d1f895c6fe 18 * __exidx_end
mbed_official 340:28d1f895c6fe 19 * __etext
mbed_official 340:28d1f895c6fe 20 * __data_start__
mbed_official 340:28d1f895c6fe 21 * __preinit_array_start
mbed_official 340:28d1f895c6fe 22 * __preinit_array_end
mbed_official 340:28d1f895c6fe 23 * __init_array_start
mbed_official 340:28d1f895c6fe 24 * __init_array_end
mbed_official 340:28d1f895c6fe 25 * __fini_array_start
mbed_official 340:28d1f895c6fe 26 * __fini_array_end
mbed_official 340:28d1f895c6fe 27 * __data_end__
mbed_official 340:28d1f895c6fe 28 * __bss_start__
mbed_official 340:28d1f895c6fe 29 * __bss_end__
mbed_official 340:28d1f895c6fe 30 * __end__
mbed_official 340:28d1f895c6fe 31 * end
mbed_official 340:28d1f895c6fe 32 * __HeapLimit
mbed_official 340:28d1f895c6fe 33 * __StackLimit
mbed_official 340:28d1f895c6fe 34 * __StackTop
mbed_official 340:28d1f895c6fe 35 * __stack
mbed_official 340:28d1f895c6fe 36 */
mbed_official 340:28d1f895c6fe 37 ENTRY(Reset_Handler)
mbed_official 340:28d1f895c6fe 38
mbed_official 340:28d1f895c6fe 39 SECTIONS
mbed_official 340:28d1f895c6fe 40 {
mbed_official 340:28d1f895c6fe 41 .text :
mbed_official 340:28d1f895c6fe 42 {
mbed_official 340:28d1f895c6fe 43 KEEP(*(.isr_vector))
mbed_official 340:28d1f895c6fe 44 *(.text*)
mbed_official 340:28d1f895c6fe 45 /* KEEP(.ioview) */
mbed_official 340:28d1f895c6fe 46 KEEP(*(.init))
mbed_official 340:28d1f895c6fe 47 KEEP(*(.fini))
mbed_official 340:28d1f895c6fe 48
mbed_official 340:28d1f895c6fe 49 /* .ctors */
mbed_official 340:28d1f895c6fe 50 *crtbegin.o(.ctors)
mbed_official 340:28d1f895c6fe 51 *crtbegin?.o(.ctors)
mbed_official 340:28d1f895c6fe 52 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
mbed_official 340:28d1f895c6fe 53 *(SORT(.ctors.*))
mbed_official 340:28d1f895c6fe 54 *(.ctors)
mbed_official 340:28d1f895c6fe 55
mbed_official 340:28d1f895c6fe 56 /* .dtors */
mbed_official 340:28d1f895c6fe 57 *crtbegin.o(.dtors)
mbed_official 340:28d1f895c6fe 58 *crtbegin?.o(.dtors)
mbed_official 340:28d1f895c6fe 59 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
mbed_official 340:28d1f895c6fe 60 *(SORT(.dtors.*))
mbed_official 340:28d1f895c6fe 61 *(.dtors)
mbed_official 340:28d1f895c6fe 62
mbed_official 340:28d1f895c6fe 63 *(.rodata*)
mbed_official 340:28d1f895c6fe 64
mbed_official 340:28d1f895c6fe 65 KEEP(*(.eh_frame*))
mbed_official 340:28d1f895c6fe 66 } > FLASH
mbed_official 340:28d1f895c6fe 67
mbed_official 340:28d1f895c6fe 68 .ARM.extab :
mbed_official 340:28d1f895c6fe 69 {
mbed_official 340:28d1f895c6fe 70 *(.ARM.extab* .gnu.linkonce.armextab.*)
mbed_official 340:28d1f895c6fe 71 } > FLASH
mbed_official 340:28d1f895c6fe 72
mbed_official 340:28d1f895c6fe 73 __exidx_start = .;
mbed_official 340:28d1f895c6fe 74 .ARM.exidx :
mbed_official 340:28d1f895c6fe 75 {
mbed_official 340:28d1f895c6fe 76 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
mbed_official 340:28d1f895c6fe 77 } > FLASH
mbed_official 340:28d1f895c6fe 78 __exidx_end = .;
mbed_official 340:28d1f895c6fe 79
mbed_official 340:28d1f895c6fe 80 __etext = .;
mbed_official 340:28d1f895c6fe 81 _sidata = .;
mbed_official 340:28d1f895c6fe 82
mbed_official 340:28d1f895c6fe 83 .data : AT (__etext)
mbed_official 340:28d1f895c6fe 84 {
mbed_official 340:28d1f895c6fe 85 __data_start__ = .;
mbed_official 340:28d1f895c6fe 86 _sdata = .;
mbed_official 340:28d1f895c6fe 87 *(vtable)
mbed_official 340:28d1f895c6fe 88 *(.data*)
mbed_official 340:28d1f895c6fe 89
mbed_official 340:28d1f895c6fe 90 . = ALIGN(4);
mbed_official 340:28d1f895c6fe 91 /* preinit data */
mbed_official 340:28d1f895c6fe 92 PROVIDE_HIDDEN (__preinit_array_start = .);
mbed_official 340:28d1f895c6fe 93 KEEP(*(.preinit_array))
mbed_official 340:28d1f895c6fe 94 PROVIDE_HIDDEN (__preinit_array_end = .);
mbed_official 340:28d1f895c6fe 95
mbed_official 340:28d1f895c6fe 96 . = ALIGN(4);
mbed_official 340:28d1f895c6fe 97 /* init data */
mbed_official 340:28d1f895c6fe 98 PROVIDE_HIDDEN (__init_array_start = .);
mbed_official 340:28d1f895c6fe 99 KEEP(*(SORT(.init_array.*)))
mbed_official 340:28d1f895c6fe 100 KEEP(*(.init_array))
mbed_official 340:28d1f895c6fe 101 PROVIDE_HIDDEN (__init_array_end = .);
mbed_official 340:28d1f895c6fe 102
mbed_official 340:28d1f895c6fe 103
mbed_official 340:28d1f895c6fe 104 . = ALIGN(4);
mbed_official 340:28d1f895c6fe 105 /* finit data */
mbed_official 340:28d1f895c6fe 106 PROVIDE_HIDDEN (__fini_array_start = .);
mbed_official 340:28d1f895c6fe 107 KEEP(*(SORT(.fini_array.*)))
mbed_official 340:28d1f895c6fe 108 KEEP(*(.fini_array))
mbed_official 340:28d1f895c6fe 109 PROVIDE_HIDDEN (__fini_array_end = .);
mbed_official 340:28d1f895c6fe 110
mbed_official 340:28d1f895c6fe 111 KEEP(*(.jcr*))
mbed_official 340:28d1f895c6fe 112 . = ALIGN(4);
mbed_official 340:28d1f895c6fe 113 /* All data end */
mbed_official 340:28d1f895c6fe 114 __data_end__ = .;
mbed_official 340:28d1f895c6fe 115 _edata = .;
mbed_official 340:28d1f895c6fe 116
mbed_official 340:28d1f895c6fe 117 } > RAM
mbed_official 340:28d1f895c6fe 118
mbed_official 340:28d1f895c6fe 119 .bss :
mbed_official 340:28d1f895c6fe 120 {
mbed_official 340:28d1f895c6fe 121 . = ALIGN(4);
mbed_official 340:28d1f895c6fe 122 __bss_start__ = .;
mbed_official 340:28d1f895c6fe 123 _sbss = .;
mbed_official 340:28d1f895c6fe 124 *(.bss*)
mbed_official 340:28d1f895c6fe 125 *(COMMON)
mbed_official 340:28d1f895c6fe 126 . = ALIGN(4);
mbed_official 340:28d1f895c6fe 127 __bss_end__ = .;
mbed_official 340:28d1f895c6fe 128 _ebss = .;
mbed_official 340:28d1f895c6fe 129 } > RAM
mbed_official 340:28d1f895c6fe 130
mbed_official 340:28d1f895c6fe 131 .heap (COPY):
mbed_official 340:28d1f895c6fe 132 {
mbed_official 340:28d1f895c6fe 133 __end__ = .;
mbed_official 340:28d1f895c6fe 134 end = __end__;
mbed_official 340:28d1f895c6fe 135 *(.heap*)
mbed_official 340:28d1f895c6fe 136 __HeapLimit = .;
mbed_official 340:28d1f895c6fe 137 } > RAM
mbed_official 340:28d1f895c6fe 138
mbed_official 340:28d1f895c6fe 139 /* .stack_dummy section doesn't contains any symbols. It is only
mbed_official 340:28d1f895c6fe 140 * used for linker to calculate size of stack sections, and assign
mbed_official 340:28d1f895c6fe 141 * values to stack symbols later */
mbed_official 340:28d1f895c6fe 142 .stack_dummy (COPY):
mbed_official 340:28d1f895c6fe 143 {
mbed_official 340:28d1f895c6fe 144 *(.stack*)
mbed_official 340:28d1f895c6fe 145 } > RAM
mbed_official 340:28d1f895c6fe 146
mbed_official 340:28d1f895c6fe 147 /* Set stack top to end of RAM, and stack limit move down by
mbed_official 340:28d1f895c6fe 148 * size of stack_dummy section */
mbed_official 340:28d1f895c6fe 149 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
mbed_official 340:28d1f895c6fe 150 _estack = __StackTop;
mbed_official 340:28d1f895c6fe 151 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
mbed_official 340:28d1f895c6fe 152 PROVIDE(__stack = __StackTop);
mbed_official 340:28d1f895c6fe 153
mbed_official 340:28d1f895c6fe 154 /* Check if data + heap + stack exceeds RAM limit */
mbed_official 340:28d1f895c6fe 155 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
mbed_official 340:28d1f895c6fe 156 }
mbed_official 340:28d1f895c6fe 157